Import of XFree86 4.2.0

120 files changed, 22135 insertions, 5631 deletions

diff --git a/bsd-core/Makefile b/bsd-core/Makefile
index 61cba175..9c87d963 100644
--- a/bsd-core/Makefile
+++ b/bsd-core/Makefile
@@ -1,5 +1,6 @@
 # $FreeBSD$
 
-SUBDIR = drm tdfx mga gamma
+# i810, i830 & sis are not complete
+SUBDIR = tdfx mga r128 radeon gamma # i810 sis i830
 
 .include <bsd.subdir.mk>
diff --git a/bsd-core/ati_pcigart.c b/bsd-core/ati_pcigart.c
new file mode 100644
index 00000000..8b486c10
--- /dev/null
+++ b/bsd-core/ati_pcigart.c
@@ -0,0 +1,197 @@
+/* ati_pcigart.h -- ATI PCI GART support -*- linux-c -*-
+ * Created: Wed Dec 13 21:52:19 2000 by gareth@valinux.com
+ *
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *   Gareth Hughes <gareth@valinux.com>
+ */
+
+#define __NO_VERSION__
+#include "drmP.h"
+
+#if PAGE_SIZE == 8192
+# define ATI_PCIGART_TABLE_ORDER 	2
+# define ATI_PCIGART_TABLE_PAGES 	(1 << 2)
+#elif PAGE_SIZE == 4096
+# define ATI_PCIGART_TABLE_ORDER 	3
+# define ATI_PCIGART_TABLE_PAGES 	(1 << 3)
+#elif
+# error - PAGE_SIZE not 8K or 4K
+#endif
+
+# define ATI_MAX_PCIGART_PAGES		8192	/* 32 MB aperture, 4K pages */
+# define ATI_PCIGART_PAGE_SIZE		4096	/* PCI GART page size */
+
+static unsigned long DRM(ati_alloc_pcigart_table)( void )
+{
+	unsigned long address;
+	struct page *page;
+	int i;
+	DRM_DEBUG( "%s\n", __FUNCTION__ );
+
+	address = __get_free_pages( GFP_KERNEL, ATI_PCIGART_TABLE_ORDER );
+	if ( address == 0UL ) {
+		return 0;
+	}
+
+	page = virt_to_page( address );
+
+	for ( i = 0 ; i <= ATI_PCIGART_TABLE_PAGES ; i++, page++ ) {
+		atomic_inc( &page->count );
+		SetPageReserved( page );
+	}
+
+	DRM_DEBUG( "%s: returning 0x%08lx\n", __FUNCTION__, address );
+	return address;
+}
+
+static void DRM(ati_free_pcigart_table)( unsigned long address )
+{
+	struct page *page;
+	int i;
+	DRM_DEBUG( "%s\n", __FUNCTION__ );
+
+	page = virt_to_page( address );
+
+	for ( i = 0 ; i <= ATI_PCIGART_TABLE_PAGES ; i++, page++ ) {
+		atomic_dec( &page->count );
+		ClearPageReserved( page );
+	}
+
+	free_pages( address, ATI_PCIGART_TABLE_ORDER );
+}
+
+int DRM(ati_pcigart_init)( drm_device_t *dev,
+			   unsigned long *addr,
+			   dma_addr_t *bus_addr)
+{
+	drm_sg_mem_t *entry = dev->sg;
+	unsigned long address = 0;
+	unsigned long pages;
+	u32 *pci_gart, page_base, bus_address = 0;
+	int i, j, ret = 0;
+
+	if ( !entry ) {
+		DRM_ERROR( "no scatter/gather memory!\n" );
+		goto done;
+	}
+
+	address = DRM(ati_alloc_pcigart_table)();
+	if ( !address ) {
+		DRM_ERROR( "cannot allocate PCI GART page!\n" );
+		goto done;
+	}
+
+	if ( !dev->pdev ) {
+		DRM_ERROR( "PCI device unknown!\n" );
+		goto done;
+	}
+
+	bus_address = pci_map_single(dev->pdev, (void *)address,
+				  ATI_PCIGART_TABLE_PAGES * PAGE_SIZE,
+				  PCI_DMA_TODEVICE);
+	if (bus_address == 0) {
+		DRM_ERROR( "unable to map PCIGART pages!\n" );
+		DRM(ati_free_pcigart_table)( address );
+		address = 0;
+		goto done;
+	}
+
+	pci_gart = (u32 *)address;
+
+	pages = ( entry->pages <= ATI_MAX_PCIGART_PAGES )
+		? entry->pages : ATI_MAX_PCIGART_PAGES;
+
+	memset( pci_gart, 0, ATI_MAX_PCIGART_PAGES * sizeof(u32) );
+
+	for ( i = 0 ; i < pages ; i++ ) {
+		/* we need to support large memory configurations */
+		entry->busaddr[i] = pci_map_single(dev->pdev,
+					   page_address( entry->pagelist[i] ),
+					   PAGE_SIZE,
+					   PCI_DMA_TODEVICE);
+		if (entry->busaddr[i] == 0) {
+			DRM_ERROR( "unable to map PCIGART pages!\n" );
+			DRM(ati_pcigart_cleanup)( dev, address, bus_address );
+			address = 0;
+			bus_address = 0;
+			goto done;
+		}
+		page_base = (u32) entry->busaddr[i];
+
+		for (j = 0; j < (PAGE_SIZE / ATI_PCIGART_PAGE_SIZE); j++) {
+			*pci_gart++ = cpu_to_le32( page_base );
+			page_base += ATI_PCIGART_PAGE_SIZE;
+		}
+	}
+
+	ret = 1;
+
+#if defined(__i386__) || defined(__x86_64__)
+	asm volatile ( "wbinvd" ::: "memory" );
+#else
+	mb();
+#endif
+
+done:
+	*addr = address;
+	*bus_addr = bus_address;
+	return ret;
+}
+
+int DRM(ati_pcigart_cleanup)( drm_device_t *dev,
+			      unsigned long addr,
+			      dma_addr_t bus_addr)
+{
+	drm_sg_mem_t *entry = dev->sg;
+	unsigned long pages;
+	int i;
+
+	/* we need to support large memory configurations */
+	if ( !entry ) {
+		DRM_ERROR( "no scatter/gather memory!\n" );
+		return 0;
+	}
+
+	if ( bus_addr ) {
+		pci_unmap_single(dev->pdev, bus_addr,
+				 ATI_PCIGART_TABLE_PAGES * PAGE_SIZE,
+				 PCI_DMA_TODEVICE);
+
+		pages = ( entry->pages <= ATI_MAX_PCIGART_PAGES )
+		        ? entry->pages : ATI_MAX_PCIGART_PAGES;
+
+		for ( i = 0 ; i < pages ; i++ ) {
+			if ( !entry->busaddr[i] ) break;
+			pci_unmap_single(dev->pdev, entry->busaddr[i],
+					 PAGE_SIZE, PCI_DMA_TODEVICE);
+		}
+	}
+
+	if ( addr ) {
+		DRM(ati_free_pcigart_table)( addr );
+	}
+
+	return 1;
+}
diff --git a/bsd-core/drmP.h b/bsd-core/drmP.h
index 7a1159c7..ead40f86 100644
--- a/bsd-core/drmP.h
+++ b/bsd-core/drmP.h
@@ -1,8 +1,8 @@
-/* drmP.h -- Private header for Direct Rendering Manager -*- c -*-
+/* drmP.h -- Private header for Direct Rendering Manager -*- linux-c -*-
  * Created: Mon Jan  4 10:05:05 1999 by faith@precisioninsight.com
- * Revised: Tue Oct 12 08:51:07 1999 by faith@precisioninsight.com
  *
  * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
  * All rights reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
@@ -11,225 +11,119 @@
  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  * and/or sell copies of the Software, and to permit persons to whom the
  * Software is furnished to do so, subject to the following conditions:
- * 
+ *
  * The above copyright notice and this permission notice (including the next
  * paragraph) shall be included in all copies or substantial portions of the
  * Software.
- * 
+ *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- * 
- * $PI: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/drmP.h,v 1.58 1999/08/30 13:05:00 faith Exp $
- * $XFree86: xc/programs/Xserver/hw/xfree86/os-support/bsd/drm/kernel/drmP.h,v 1.3 2001/03/06 16:45:26 dawes Exp $
- * 
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Rickard E. (Rik) Faith <faith@valinux.com>
+ *    Gareth Hughes <gareth@valinux.com>
  */
 
 #ifndef _DRM_P_H_
 #define _DRM_P_H_
 
-#ifdef _KERNEL
-#include <sys/param.h>
-#include <sys/queue.h>
-#include <sys/malloc.h>
-#include <sys/kernel.h>
-#include <sys/module.h>
-#include <sys/systm.h>
-#include <sys/conf.h>
-#include <sys/stat.h>
-#include <sys/proc.h>
-#include <sys/lock.h>
-#include <sys/fcntl.h>
-#include <sys/uio.h>
-#include <sys/filio.h>
-#include <sys/sysctl.h>
-#include <sys/select.h>
-#include <sys/bus.h>
-#if __FreeBSD_version >= 400005
-#include <sys/taskqueue.h>
-#endif
+#if defined(_KERNEL) || defined(__KERNEL__)
 
-#if __FreeBSD_version >= 400006
-#define DRM_AGP
+/* DRM template customization defaults
+ */
+#ifndef __HAVE_AGP
+#define __HAVE_AGP		0
 #endif
-
-#ifdef DRM_AGP
-#include <pci/agpvar.h>
+#ifndef __HAVE_MTRR
+#define __HAVE_MTRR		0
+#endif
+#ifndef __HAVE_CTX_BITMAP
+#define __HAVE_CTX_BITMAP	0
+#endif
+#ifndef __HAVE_DMA
+#define __HAVE_DMA		0
+#endif
+#ifndef __HAVE_DMA_IRQ
+#define __HAVE_DMA_IRQ		0
+#endif
+#ifndef __HAVE_DMA_WAITLIST
+#define __HAVE_DMA_WAITLIST	0
+#endif
+#ifndef __HAVE_DMA_FREELIST
+#define __HAVE_DMA_FREELIST	0
+#endif
+#ifndef __HAVE_DMA_HISTOGRAM
+#define __HAVE_DMA_HISTOGRAM	0
 #endif
 
-#include "drm.h"
+#define DRM_DEBUG_CODE 0	  /* Include debugging code (if > 1, then
+				     also include looping detection. */
 
-typedef u_int32_t atomic_t;
-typedef u_int32_t cycles_t;
-typedef u_int32_t spinlock_t;
-#define atomic_set(p, v)	(*(p) = (v))
-#define atomic_read(p)		(*(p))
-#define atomic_inc(p)		atomic_add_int(p, 1)
-#define atomic_dec(p)		atomic_subtract_int(p, 1)
-#define atomic_add(n, p)	atomic_add_int(p, n)
-#define atomic_sub(n, p)	atomic_subtract_int(p, n)
-
-/* The version number here is a guess */
-#if __FreeBSD_version >= 500010
-#define callout_init(a)		callout_init(a, 0)
-#endif
+typedef struct drm_device drm_device_t;
+typedef struct drm_file drm_file_t;
 
-/* Fake this */
-static __inline u_int32_t
-test_and_set_bit(int b, volatile u_int32_t *p)
-{
-	int s = splhigh();
-	u_int32_t m = 1<<b;
-	u_int32_t r = *p & m;
-	*p |= m;
-	splx(s);
-	return r;
-}
-
-static __inline void
-clear_bit(int b, volatile u_int32_t *p)
-{
-    atomic_clear_int(p + (b >> 5), 1 << (b & 0x1f));
-}
-
-static __inline void
-set_bit(int b, volatile u_int32_t *p)
-{
-    atomic_set_int(p + (b >> 5), 1 << (b & 0x1f));
-}
-
-static __inline int
-test_bit(int b, volatile u_int32_t *p)
-{
-    return p[b >> 5] & (1 << (b & 0x1f));
-}
-
-static __inline int
-find_first_zero_bit(volatile u_int32_t *p, int max)
-{
-    int b;
-
-    for (b = 0; b < max; b += 32) {
-	if (p[b >> 5] != ~0) {
-	    for (;;) {
-		if ((p[b >> 5] & (1 << (b & 0x1f))) == 0)
-		    return b;
-		b++;
-	    }
-	}
-    }
-    return max;
-}
-
-#define spldrm()		spltty()
-
-#define memset(p, v, s)		bzero(p, s)
-
-/*
- * Fake out the module macros for versions of FreeBSD where they don't
- * exist.
- */
-#if __FreeBSD_version < 400002
+/* There's undoubtably more of this file to go into these OS dependent ones. */
 
-#define MODULE_VERSION(a,b)		struct __hack
-#define MODULE_DEPEND(a,b,c,d,e)	struct __hack
+#include "drm_os_freebsd.h"
 
-#endif
+#include "drm.h"
 
-#define DRM_DEBUG_CODE 0	  /* Include debugging code (if > 1, then
-				     also include looping detection. */
-#define DRM_DMA_HISTOGRAM 1	  /* Make histogram of DMA latency. */
+/* Begin the DRM... */
 
 #define DRM_HASH_SIZE	      16 /* Size of key hash table		  */
 #define DRM_KERNEL_CONTEXT    0	 /* Change drm_resctx if changed	  */
 #define DRM_RESERVED_CONTEXTS 1	 /* Change drm_resctx if changed	  */
 #define DRM_LOOPING_LIMIT     5000000
 #define DRM_BSZ		      1024 /* Buffer size for /dev/drm? output	  */
-#define DRM_TIME_SLICE	      (hz/20) /* Time slice for GLXContexts       */
 #define DRM_LOCK_SLICE	      1	/* Time slice for lock, in jiffies	  */
 
 #define DRM_FLAG_DEBUG	  0x01
 #define DRM_FLAG_NOCTX	  0x02
 
-#define DRM_MEM_DMA	  0
-#define DRM_MEM_SAREA	  1
-#define DRM_MEM_DRIVER	  2
-#define DRM_MEM_MAGIC	  3
-#define DRM_MEM_IOCTLS	  4
-#define DRM_MEM_MAPS	  5
-#define DRM_MEM_VMAS	  6
-#define DRM_MEM_BUFS	  7
-#define DRM_MEM_SEGS	  8
-#define DRM_MEM_PAGES	  9
-#define DRM_MEM_FILES	 10
-#define DRM_MEM_QUEUES	 11
-#define DRM_MEM_CMDS	 12
-#define DRM_MEM_MAPPINGS 13
-#define DRM_MEM_BUFLISTS 14
+#define DRM_MEM_DMA	   0
+#define DRM_MEM_SAREA	   1
+#define DRM_MEM_DRIVER	   2
+#define DRM_MEM_MAGIC	   3
+#define DRM_MEM_IOCTLS	   4
+#define DRM_MEM_MAPS	   5
+#define DRM_MEM_VMAS	   6
+#define DRM_MEM_BUFS	   7
+#define DRM_MEM_SEGS	   8
+#define DRM_MEM_PAGES	   9
+#define DRM_MEM_FILES	  10
+#define DRM_MEM_QUEUES	  11
+#define DRM_MEM_CMDS	  12
+#define DRM_MEM_MAPPINGS  13
+#define DRM_MEM_BUFLISTS  14
 #define DRM_MEM_AGPLISTS  15
 #define DRM_MEM_TOTALAGP  16
 #define DRM_MEM_BOUNDAGP  17
 #define DRM_MEM_CTXBITMAP 18
+#define DRM_MEM_STUB      19
+#define DRM_MEM_SGLISTS   20
 
 #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8)
 
 				/* Backward compatibility section */
+				/* _PAGE_WT changed to _PAGE_PWT in 2.2.6 */
 #ifndef _PAGE_PWT
-				/* The name of _PAGE_WT was changed to
-				   _PAGE_PWT in Linux 2.2.6 */
 #define _PAGE_PWT _PAGE_WT
 #endif
 
-#define __drm_dummy_lock(lock) (*(__volatile__ unsigned int *)lock)
-#define _DRM_CAS(lock,old,new,__ret)				       \
-	do {							       \
-		int __dummy;	/* Can't mark eax as clobbered */      \
-		__asm__ __volatile__(				       \
-			"lock ; cmpxchg %4,%1\n\t"		       \
-			"setnz %0"				       \
-			: "=d" (__ret),				       \
-			  "=m" (__drm_dummy_lock(lock)),	       \
-			  "=a" (__dummy)			       \
-			: "2" (old),				       \
-			  "r" (new));				       \
-	} while (0)
-
+				/* Mapping helper macros */
+#define DRM_IOREMAP(map)						\
+	(map)->handle = DRM(ioremap)( (map)->offset, (map)->size )
 
-
-				/* Macros to make printk easier */
-#define DRM_ERROR(fmt, arg...) \
-	printf("error: " "[" DRM_NAME ":" __FUNCTION__ "] *ERROR* " fmt , ##arg)
-#define DRM_MEM_ERROR(area, fmt, arg...) \
-	printf("error: " "[" DRM_NAME ":" __FUNCTION__ ":%s] *ERROR* " fmt , \
-	       drm_mem_stats[area].name , ##arg)
-#define DRM_INFO(fmt, arg...)  printf("info: " "[" DRM_NAME "] " fmt , ##arg)
-
-#if DRM_DEBUG_CODE
-#define DRM_DEBUG(fmt, arg...)						  \
-	do {								  \
-		if (drm_flags&DRM_FLAG_DEBUG)				  \
-			printf("[" DRM_NAME ":" __FUNCTION__ "] " fmt ,	  \
-			       ##arg);					  \
+#define DRM_IOREMAPFREE(map)						\
+	do {								\
+		if ( (map)->handle && (map)->size )			\
+			DRM(ioremapfree)( (map)->handle, (map)->size );	\
 	} while (0)
-#else
-#define DRM_DEBUG(fmt, arg...)		 do { } while (0)
-#endif
-
-#define DRM_PROC_LIMIT (PAGE_SIZE-80)
-
-#define DRM_SYSCTL_PRINT(fmt, arg...)		\
-  snprintf(buf, sizeof(buf), fmt, ##arg);	\
-  error = SYSCTL_OUT(req, buf, strlen(buf));	\
-  if (error) return error;
-
-#define DRM_SYSCTL_PRINT_RET(ret, fmt, arg...)	\
-  snprintf(buf, sizeof(buf), fmt, ##arg);	\
-  error = SYSCTL_OUT(req, buf, strlen(buf));	\
-  if (error) { ret; return error; }
 
 				/* Internal types and structures */
 #define DRM_ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))
@@ -240,15 +134,25 @@ find_first_zero_bit(volatile u_int32_t *p, int max)
 #define DRM_BUFCOUNT(x) ((x)->count - DRM_LEFTCOUNT(x))
 #define DRM_WAITCOUNT(dev,idx) DRM_BUFCOUNT(&dev->queuelist[idx]->waitlist)
 
+#define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do {	\
+	(_map) = (_dev)->context_sareas[_ctx];		\
+} while(0)
+
+
+typedef struct drm_pci_list {
+	u16 vendor;
+	u16 device;
+} drm_pci_list_t;
+
 typedef struct drm_ioctl_desc {
-	d_ioctl_t	     *func;
+	d_ioctl_t            *func;
 	int		     auth_needed;
 	int		     root_only;
 } drm_ioctl_desc_t;
 
 typedef struct drm_devstate {
 	pid_t		  owner;	/* X server pid holding x_lock */
-	
+
 } drm_devstate_t;
 
 typedef struct drm_magic_entry {
@@ -258,8 +162,8 @@ typedef struct drm_magic_entry {
 } drm_magic_entry_t;
 
 typedef struct drm_magic_head {
-       struct drm_magic_entry *head;
-       struct drm_magic_entry *tail;
+	struct drm_magic_entry *head;
+	struct drm_magic_entry *tail;
 } drm_magic_head_t;
 
 typedef struct drm_vma_entry {
@@ -279,7 +183,7 @@ typedef struct drm_buf {
 	struct drm_buf	  *next;       /* Kernel-only: used for free list    */
 	__volatile__ int  waiting;     /* On kernel DMA queue		     */
 	__volatile__ int  pending;     /* On hardware DMA queue		     */
-	int		  dma_wait;    /* Processes waiting		     */
+	wait_queue_head_t dma_wait;    /* Processes waiting		     */
 	pid_t		  pid;	       /* PID of holding process	     */
 	int		  context;     /* Kernel queue for this buffer	     */
 	int		  while_locked;/* Dispatch this buffer while locked  */
@@ -292,15 +196,15 @@ typedef struct drm_buf {
 		DRM_LIST_RECLAIM = 5
 	}		  list;	       /* Which list we're on		     */
 
-	void *dev_private;
-	int dev_priv_size;
-
 #if DRM_DMA_HISTOGRAM
-	struct timespec	  time_queued;	   /* Queued to kernel DMA queue     */
-	struct timespec	  time_dispatched; /* Dispatched to hardware	     */
-	struct timespec	  time_completed;  /* Completed by hardware	     */
-	struct timespec	  time_freed;	   /* Back on freelist		     */
+	cycles_t	  time_queued;	   /* Queued to kernel DMA queue     */
+	cycles_t	  time_dispatched; /* Dispatched to hardware	     */
+	cycles_t	  time_completed;  /* Completed by hardware	     */
+	cycles_t	  time_freed;	   /* Back on freelist		     */
 #endif
+
+	int		  dev_priv_size; /* Size of buffer private stoarge   */
+	void		  *dev_private;  /* Per-buffer private storage       */
 } drm_buf_t;
 
 #if DRM_DMA_HISTOGRAM
@@ -309,14 +213,14 @@ typedef struct drm_buf {
 #define DRM_DMA_HISTOGRAM_NEXT(current)	 ((current)*10)
 typedef struct drm_histogram {
 	atomic_t	  total;
-	
+
 	atomic_t	  queued_to_dispatched[DRM_DMA_HISTOGRAM_SLOTS];
 	atomic_t	  dispatched_to_completed[DRM_DMA_HISTOGRAM_SLOTS];
 	atomic_t	  completed_to_freed[DRM_DMA_HISTOGRAM_SLOTS];
-	
+
 	atomic_t	  queued_to_completed[DRM_DMA_HISTOGRAM_SLOTS];
 	atomic_t	  queued_to_freed[DRM_DMA_HISTOGRAM_SLOTS];
-	
+
 	atomic_t	  dma[DRM_DMA_HISTOGRAM_SLOTS];
 	atomic_t	  schedule[DRM_DMA_HISTOGRAM_SLOTS];
 	atomic_t	  ctx[DRM_DMA_HISTOGRAM_SLOTS];
@@ -332,20 +236,20 @@ typedef struct drm_waitlist {
 	drm_buf_t	  **rp;		/* Read pointer			   */
 	drm_buf_t	  **wp;		/* Write pointer		   */
 	drm_buf_t	  **end;	/* End pointer			   */
-	spinlock_t	  read_lock;
-	spinlock_t	  write_lock;
+	DRM_OS_SPINTYPE	  read_lock;
+	DRM_OS_SPINTYPE	  write_lock;
 } drm_waitlist_t;
 
 typedef struct drm_freelist {
 	int		  initialized; /* Freelist in use		   */
 	atomic_t	  count;       /* Number of free buffers	   */
 	drm_buf_t	  *next;       /* End pointer			   */
-	
-	int		  waiting;     /* Processes waiting on free bufs   */
+
+	wait_queue_head_t waiting;     /* Processes waiting on free bufs   */
 	int		  low_mark;    /* Low water mark		   */
 	int		  high_mark;   /* High water mark		   */
 	atomic_t	  wfh;	       /* If waiting for high mark	   */
-	struct simplelock	  lock;	       /* hope this doesn't need to be linux compatible */
+	DRM_OS_SPINTYPE   lock;
 } drm_freelist_t;
 
 typedef struct drm_buf_entry {
@@ -365,7 +269,7 @@ typedef struct drm_hw_lock {
 } drm_hw_lock_t;
 
 typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t;
-typedef struct drm_file {
+struct drm_file {
 	TAILQ_ENTRY(drm_file) link;
 	int		  authenticated;
 	int		  minor;
@@ -375,38 +279,40 @@ typedef struct drm_file {
 	drm_magic_t	  magic;
 	unsigned long	  ioctl_count;
 	struct drm_device *devXX;
-} drm_file_t;
-
+};
 
 typedef struct drm_queue {
 	atomic_t	  use_count;	/* Outstanding uses (+1)	    */
 	atomic_t	  finalization;	/* Finalization in progress	    */
 	atomic_t	  block_count;	/* Count of processes waiting	    */
 	atomic_t	  block_read;	/* Queue blocked for reads	    */
-	int		  read_queue;	/* Processes waiting on block_read  */
+	wait_queue_head_t read_queue;	/* Processes waiting on block_read  */
 	atomic_t	  block_write;	/* Queue blocked for writes	    */
-	int		  write_queue;	/* Processes waiting on block_write */
+	wait_queue_head_t write_queue;	/* Processes waiting on block_write */
+#if 1
 	atomic_t	  total_queued;	/* Total queued statistic	    */
 	atomic_t	  total_flushed;/* Total flushes statistic	    */
 	atomic_t	  total_locks;	/* Total locks statistics	    */
+#endif
 	drm_ctx_flags_t	  flags;	/* Context preserving and 2D-only   */
 	drm_waitlist_t	  waitlist;	/* Pending buffers		    */
-	int		  flush_queue;	/* Processes waiting until flush    */
+	wait_queue_head_t flush_queue;	/* Processes waiting until flush    */
 } drm_queue_t;
 
 typedef struct drm_lock_data {
 	drm_hw_lock_t	  *hw_lock;	/* Hardware lock		   */
 	pid_t		  pid;		/* PID of lock holder (0=kernel)   */
-	int		  lock_queue;	/* Queue of blocked processes	   */
+	wait_queue_head_t lock_queue;	/* Queue of blocked processes	   */
 	unsigned long	  lock_time;	/* Time of last lock in jiffies	   */
 } drm_lock_data_t;
 
 typedef struct drm_device_dma {
+#if 0
 				/* Performance Counters */
 	atomic_t	  total_prio;	/* Total DRM_DMA_PRIORITY	   */
 	atomic_t	  total_bytes;	/* Total bytes DMA'd		   */
 	atomic_t	  total_dmas;	/* Total DMA buffers dispatched	   */
-	
+
 	atomic_t	  total_missed_dma;  /* Missed drm_do_dma	    */
 	atomic_t	  total_missed_lock; /* Missed lock in drm_do_dma   */
 	atomic_t	  total_missed_free; /* Missed drm_free_this_buffer */
@@ -415,27 +321,28 @@ typedef struct drm_device_dma {
 	atomic_t	  total_tried;	/* Tried next_buffer		    */
 	atomic_t	  total_hit;	/* Sent next_buffer		    */
 	atomic_t	  total_lost;	/* Lost interrupt		    */
+#endif
 
 	drm_buf_entry_t	  bufs[DRM_MAX_ORDER+1];
 	int		  buf_count;
 	drm_buf_t	  **buflist;	/* Vector of pointers info bufs	   */
-	int		  seg_count; 
+	int		  seg_count;
 	int		  page_count;
-	vm_offset_t	  *pagelist;
+	unsigned long	  *pagelist;
 	unsigned long	  byte_count;
 	enum {
-	   _DRM_DMA_USE_AGP = 0x01
+		_DRM_DMA_USE_AGP = 0x01,
+		_DRM_DMA_USE_SG  = 0x02
 	} flags;
 
 				/* DMA support */
 	drm_buf_t	  *this_buffer;	/* Buffer being sent		   */
 	drm_buf_t	  *next_buffer; /* Selected buffer to send	   */
 	drm_queue_t	  *next_queue;	/* Queue from which buffer selected*/
-	int		   waiting;	/* Processes waiting on free bufs  */
+	wait_queue_head_t waiting;	/* Processes waiting on free bufs  */
 } drm_device_dma_t;
 
-#ifdef DRM_AGP
-
+#if __REALLY_HAVE_AGP
 typedef struct drm_agp_mem {
 	void               *handle;
 	unsigned long      bound; /* address */
@@ -454,27 +361,45 @@ typedef struct drm_agp_head {
 	int                acquired;
 	unsigned long      base;
    	int 		   agp_mtrr;
+	int		   cant_use_aperture;
+	unsigned long	   page_mask;
 } drm_agp_head_t;
-
 #endif
 
-typedef struct drm_device {
+typedef struct drm_sg_mem {
+	unsigned long   handle;
+	void            *virtual;
+	int             pages;
+	struct page     **pagelist;
+} drm_sg_mem_t;
+
+typedef struct drm_sigdata {
+	int           context;
+	drm_hw_lock_t *lock;
+} drm_sigdata_t;
+
+typedef TAILQ_HEAD(drm_map_list, drm_map_list_entry) drm_map_list_t;
+typedef struct drm_map_list_entry {
+	TAILQ_ENTRY(drm_map_list_entry) link;
+	drm_map_t	*map;
+} drm_map_list_entry_t;
+
+struct drm_device {
 	const char	  *name;	/* Simple driver name		   */
 	char		  *unique;	/* Unique identifier: e.g., busid  */
 	int		  unique_len;	/* Length of unique field	   */
 	device_t	  device;	/* Device instance from newbus     */
 	dev_t		  devnode;	/* Device number for mknod	   */
 	char		  *devname;	/* For /proc/interrupts		   */
-	
+
 	int		  blocked;	/* Blocked due to VC switch?	   */
 	int		  flags;	/* Flags to open(2)		   */
 	int		  writable;	/* Opened with FWRITE		   */
 	struct proc_dir_entry *root;	/* Root for this device's entries  */
 
 				/* Locks */
-	struct simplelock count_lock;	/* For inuse, open_count, buf_use  */
-	struct lock	  dev_lock;	/* For others			   */
-
+	DRM_OS_SPINTYPE	  count_lock;	/* For inuse, open_count, buf_use  */
+	struct lock       dev_lock;	/* For others			   */
 				/* Usage Counters */
 	int		  open_count;	/* Outstanding files open	   */
 	atomic_t	  ioctl_count;	/* Outstanding IOCTLs pending	   */
@@ -482,26 +407,22 @@ typedef struct drm_device {
 	int		  buf_use;	/* Buffers in use -- cannot alloc  */
 	atomic_t	  buf_alloc;	/* Buffer allocation in progress   */
 
-				/* Performance Counters */
-	atomic_t	  total_open;
-	atomic_t	  total_close;
-	atomic_t	  total_ioctl;
-	atomic_t	  total_irq;	/* Total interruptions		   */
-	atomic_t	  total_ctx;	/* Total context switches	   */
-	
-	atomic_t	  total_locks;
-	atomic_t	  total_unlocks;
-	atomic_t	  total_contends;
-	atomic_t	  total_sleeps;
+				/* Performance counters */
+	unsigned long     counters;
+	drm_stat_type_t   types[15];
+	atomic_t          counts[15];
 
 				/* Authentication */
 	drm_file_list_t   files;
 	drm_magic_head_t  magiclist[DRM_HASH_SIZE];
 
 				/* Memory management */
-	drm_map_t	  **maplist;	/* Vector of pointers to regions   */
+	drm_map_list_t	  *maplist;	/* Linked list of regions	   */
 	int		  map_count;	/* Number of mappable regions	   */
 
+	drm_map_t	  **context_sareas;
+	int		  max_context;
+
 	drm_vma_entry_t	  *vmalist;	/* List of vmas (for debugging)	   */
 	drm_lock_data_t	  lock;		/* Information on hardware lock	   */
 
@@ -513,223 +434,199 @@ typedef struct drm_device {
 	drm_device_dma_t  *dma;		/* Optional pointer for DMA support */
 
 				/* Context support */
-	struct resource   *irq;		/* Interrupt used by board	   */
+	int		  irq;		/* Interrupt used by board	   */
+	struct resource   *irqr;	/* Resource for interrupt used by board	   */
 	void		  *irqh;	/* Handle from bus_setup_intr      */
-	__volatile__ long  context_flag; /* Context swapping flag	   */
-	__volatile__ long  interrupt_flag;/* Interruption handler flag	   */
-	__volatile__ long  dma_flag;	 /* DMA dispatch flag		   */
-	struct callout	  timer;	/* Timer for delaying ctx switch   */
-	int		  context_wait; /* Processes waiting on ctx switch */
+	__volatile__ long context_flag;	/* Context swapping flag	   */
+	__volatile__ long interrupt_flag; /* Interruption handler flag	   */
+	__volatile__ long dma_flag;	/* DMA dispatch flag		   */
+	struct callout    timer;	/* Timer for delaying ctx switch   */
+	wait_queue_head_t context_wait; /* Processes waiting on ctx switch */
 	int		  last_checked;	/* Last context checked for DMA	   */
 	int		  last_context;	/* Last current context		   */
-	int		  last_switch;	/* Time at last context switch  */
+	unsigned long	  last_switch;	/* jiffies at last context switch  */
 #if __FreeBSD_version >= 400005
-	struct task	  task;
+	struct task       task;
 #endif
-	struct timespec	  ctx_start;
-	struct timespec	  lck_start;
-#if DRM_DMA_HISTOGRAM
+	cycles_t	  ctx_start;
+	cycles_t	  lck_start;
+#if __HAVE_DMA_HISTOGRAM
 	drm_histogram_t	  histo;
 #endif
-	
+
 				/* Callback to X server for context switch
 				   and for heavy-handed reset. */
 	char		  buf[DRM_BSZ]; /* Output buffer		   */
 	char		  *buf_rp;	/* Read pointer			   */
 	char		  *buf_wp;	/* Write pointer		   */
 	char		  *buf_end;	/* End pointer			   */
-	struct sigio	  *buf_sigio;   /* Processes waiting for SIGIO	   */
+	struct sigio      *buf_sigio;	/* Processes waiting for SIGIO     */
 	struct selinfo    buf_sel;	/* Workspace for select/poll       */
-	int		  buf_readers;	/* Processes waiting to read	   */
-	int		  buf_writers;	/* Processes waiting to ctx switch */
-	int		  buf_selecting; /* True if poll sleeper           */
+	int               buf_selecting;/* True if poll sleeper            */
+	wait_queue_head_t buf_readers;	/* Processes waiting to read	   */
+	wait_queue_head_t buf_writers;	/* Processes waiting to ctx switch */
 
 				/* Sysctl support */
 	struct drm_sysctl_info *sysctl;
 
-#ifdef DRM_AGP
+#if __REALLY_HAVE_AGP
 	drm_agp_head_t    *agp;
 #endif
-	u_int32_t	  *ctx_bitmap;
+	struct pci_dev *pdev;
+#ifdef __alpha__
+#if LINUX_VERSION_CODE < 0x020403
+	struct pci_controler *hose;
+#else
+	struct pci_controller *hose;
+#endif
+#endif
+	drm_sg_mem_t      *sg;  /* Scatter gather memory */
+	unsigned long     *ctx_bitmap;
 	void		  *dev_private;
-} drm_device_t;
-
-
-				/* Internal function definitions */
-
-				/* Misc. support (init.c) */
-extern int	     drm_flags;
-extern void	     drm_parse_options(char *s);
-
-
-				/* Device support (fops.c) */
-extern drm_file_t *drm_find_file_by_proc(drm_device_t *dev, struct proc *p);
-extern int drm_open_helper(dev_t kdev, int flags, int fmt, struct proc *p,
-			   drm_device_t *dev);
-extern d_close_t     drm_close;
-extern d_read_t	     drm_read;
-extern d_write_t     drm_write;
-extern d_poll_t	     drm_poll;
-extern int	     drm_fsetown(dev_t kdev, u_long cmd, caddr_t data,
-				 int flags, struct proc *p);
-extern int	     drm_fgetown(dev_t kdev, u_long cmd, caddr_t data,
-				 int flags, struct proc *p);
-extern int	     drm_write_string(drm_device_t *dev, const char *s);
-
-#if 0
-				/* Mapping support (vm.c) */
-extern unsigned long drm_vm_nopage(struct vm_area_struct *vma,
-				   unsigned long address,
-				   int write_access);
-extern unsigned long drm_vm_shm_nopage(struct vm_area_struct *vma,
-				       unsigned long address,
-				       int write_access);
-extern unsigned long drm_vm_dma_nopage(struct vm_area_struct *vma,
-				       unsigned long address,
-				       int write_access);
-extern void	     drm_vm_open(struct vm_area_struct *vma);
-extern void	     drm_vm_close(struct vm_area_struct *vma);
-extern int	     drm_mmap_dma(struct file *filp,
-				  struct vm_area_struct *vma);
+	drm_sigdata_t     sigdata; /* For block_all_signals */
+	sigset_t          sigmask;
+};
+
+extern int	     DRM(flags);
+extern void	     DRM(parse_options)( char *s );
+extern int           DRM(cpu_valid)( void );
+
+				/* Authentication (drm_auth.h) */
+extern int           DRM(add_magic)(drm_device_t *dev, drm_file_t *priv, 
+				    drm_magic_t magic);
+extern int           DRM(remove_magic)(drm_device_t *dev, drm_magic_t magic);
+
+				/* Driver support (drm_drv.h) */
+extern int           DRM(version)( DRM_OS_IOCTL );
+extern int	     DRM(write_string)(drm_device_t *dev, const char *s);
+
+				/* Memory management support (drm_memory.h) */
+extern void	     DRM(mem_init)(void);
+extern void	     *DRM(alloc)(size_t size, int area);
+extern void	     *DRM(realloc)(void *oldpt, size_t oldsize, size_t size,
+				   int area);
+extern char	     *DRM(strdup)(const char *s, int area);
+extern void	     DRM(strfree)(char *s, int area);
+extern void	     DRM(free)(void *pt, size_t size, int area);
+extern unsigned long DRM(alloc_pages)(int order, int area);
+extern void	     DRM(free_pages)(unsigned long address, int order,
+				     int area);
+extern void	     *DRM(ioremap)(unsigned long offset, unsigned long size);
+extern void	     DRM(ioremapfree)(void *pt, unsigned long size);
+
+#if __REALLY_HAVE_AGP
+extern agp_memory    *DRM(alloc_agp)(int pages, u32 type);
+extern int           DRM(free_agp)(agp_memory *handle, int pages);
+extern int           DRM(bind_agp)(agp_memory *handle, unsigned int start);
+extern int           DRM(unbind_agp)(agp_memory *handle);
 #endif
-extern d_mmap_t	     drm_mmap;
 
-				/* Proc support (proc.c) */
-extern int	     drm_sysctl_init(drm_device_t *dev);
-extern int	     drm_sysctl_cleanup(drm_device_t *dev);
+extern int	     DRM(context_switch)(drm_device_t *dev, int old, int new);
+extern int	     DRM(context_switch_complete)(drm_device_t *dev, int new);
 
-				/* Memory management support (memory.c) */
-extern void	     drm_mem_init(void);
+#if __HAVE_CTX_BITMAP
+extern int	     DRM(ctxbitmap_init)( drm_device_t *dev );
+extern void	     DRM(ctxbitmap_cleanup)( drm_device_t *dev );
+extern void          DRM(ctxbitmap_free)( drm_device_t *dev, int ctx_handle );
+extern int           DRM(ctxbitmap_next)( drm_device_t *dev );
+#endif
 
-#if __FreeBSD_version < 411000
-#define DRM_SYSCTL_HANDLER_ARGS SYSCTL_HANDLER_ARGS
-#else
-#define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS)
+				/* Locking IOCTL support (drm_lock.h) */
+extern int	     DRM(lock_take)(__volatile__ unsigned int *lock,
+				    unsigned int context);
+extern int	     DRM(lock_transfer)(drm_device_t *dev,
+					__volatile__ unsigned int *lock,
+					unsigned int context);
+extern int	     DRM(lock_free)(drm_device_t *dev,
+				    __volatile__ unsigned int *lock,
+				    unsigned int context);
+extern int	     DRM(flush_unblock)(drm_device_t *dev, int context,
+					drm_lock_flags_t flags);
+extern int	     DRM(flush_block_and_flush)(drm_device_t *dev, int context,
+						drm_lock_flags_t flags);
+extern int           DRM(notifier)(void *priv);
+
+				/* Buffer management support (drm_bufs.h) */
+extern int	     DRM(order)( unsigned long size );
+
+#if __HAVE_DMA
+				/* DMA support (drm_dma.h) */
+extern int	     DRM(dma_setup)(drm_device_t *dev);
+extern void	     DRM(dma_takedown)(drm_device_t *dev);
+extern void	     DRM(free_buffer)(drm_device_t *dev, drm_buf_t *buf);
+extern void	     DRM(reclaim_buffers)(drm_device_t *dev, pid_t pid);
+#if __HAVE_OLD_DMA
+/* GH: This is a dirty hack for now...
+ */
+extern void	     DRM(clear_next_buffer)(drm_device_t *dev);
+extern int	     DRM(select_queue)(drm_device_t *dev,
+				       void (*wrapper)(unsigned long));
+extern int	     DRM(dma_enqueue)(drm_device_t *dev, drm_dma_t *dma);
+extern int	     DRM(dma_get_buffers)(drm_device_t *dev, drm_dma_t *dma);
+#endif
+#if __HAVE_DMA_IRQ
+extern int           DRM(irq_install)( drm_device_t *dev, int irq );
+extern int           DRM(irq_uninstall)( drm_device_t *dev );
+extern void          DRM(dma_service)( DRM_OS_IRQ_ARGS );
+#if __HAVE_DMA_IRQ_BH
+extern void          DRM(dma_immediate_bh)( DRM_OS_TASKQUEUE_ARGS );
 #endif
-extern int	     drm_mem_info DRM_SYSCTL_HANDLER_ARGS;
-extern void	     *drm_alloc(size_t size, int area);
-extern void	     *drm_realloc(void *oldpt, size_t oldsize, size_t size,
-				  int area);
-extern char	     *drm_strdup(const char *s, int area);
-extern void	     drm_strfree(char *s, int area);
-extern void	     drm_free(void *pt, size_t size, int area);
-extern unsigned long drm_alloc_pages(int order, int area);
-extern void	     drm_free_pages(unsigned long address, int order,
-				    int area);
-extern void	     *drm_ioremap(unsigned long offset, unsigned long size);
-extern void	     drm_ioremapfree(void *pt, unsigned long size);
-
-#ifdef DRM_AGP
-extern void	    *drm_alloc_agp(int pages, u_int32_t type);
-extern int           drm_free_agp(void *handle, int pages);
-extern int           drm_bind_agp(void *handle, unsigned int start);
-extern int           drm_unbind_agp(void *handle);
 #endif
-
-				/* Buffer management support (bufs.c) */
-extern int	     drm_order(unsigned long size);
-extern d_ioctl_t     drm_addmap;
-extern d_ioctl_t     drm_addbufs;
-extern d_ioctl_t     drm_infobufs;
-extern d_ioctl_t     drm_markbufs;
-extern d_ioctl_t     drm_freebufs;
-extern d_ioctl_t     drm_mapbufs;
-
-
-				/* Buffer list management support (lists.c) */
-extern int	     drm_waitlist_create(drm_waitlist_t *bl, int count);
-extern int	     drm_waitlist_destroy(drm_waitlist_t *bl);
-extern int	     drm_waitlist_put(drm_waitlist_t *bl, drm_buf_t *buf);
-extern drm_buf_t     *drm_waitlist_get(drm_waitlist_t *bl);
-
-extern int	     drm_freelist_create(drm_freelist_t *bl, int count);
-extern int	     drm_freelist_destroy(drm_freelist_t *bl);
-extern int	     drm_freelist_put(drm_device_t *dev, drm_freelist_t *bl,
-				      drm_buf_t *buf);
-extern drm_buf_t     *drm_freelist_get(drm_freelist_t *bl, int block);
-
-				/* DMA support (gen_dma.c) */
-extern void	     drm_dma_setup(drm_device_t *dev);
-extern void	     drm_dma_takedown(drm_device_t *dev);
-extern void	     drm_free_buffer(drm_device_t *dev, drm_buf_t *buf);
-extern void	     drm_reclaim_buffers(drm_device_t *dev, pid_t pid);
-extern int	     drm_context_switch(drm_device_t *dev, int old, int new);
-extern int	     drm_context_switch_complete(drm_device_t *dev, int new);
-extern void	     drm_wakeup(drm_device_t *dev, drm_buf_t *buf);
-extern void	     drm_clear_next_buffer(drm_device_t *dev);
-extern int	     drm_select_queue(drm_device_t *dev,
-				      void (*wrapper)(void *));
-extern int	     drm_dma_enqueue(drm_device_t *dev, drm_dma_t *dma);
-extern int	     drm_dma_get_buffers(drm_device_t *dev, drm_dma_t *dma);
 #if DRM_DMA_HISTOGRAM
-extern int	     drm_histogram_slot(struct timespec *ts);
-extern void	     drm_histogram_compute(drm_device_t *dev, drm_buf_t *buf);
+extern int	     DRM(histogram_slot)(unsigned long count);
+extern void	     DRM(histogram_compute)(drm_device_t *dev, drm_buf_t *buf);
 #endif
 
+				/* Buffer list support (drm_lists.h) */
+#if __HAVE_DMA_WAITLIST
+extern int	     DRM(waitlist_create)(drm_waitlist_t *bl, int count);
+extern int	     DRM(waitlist_destroy)(drm_waitlist_t *bl);
+extern int	     DRM(waitlist_put)(drm_waitlist_t *bl, drm_buf_t *buf);
+extern drm_buf_t     *DRM(waitlist_get)(drm_waitlist_t *bl);
+#endif
+#if __HAVE_DMA_FREELIST
+extern int	     DRM(freelist_create)(drm_freelist_t *bl, int count);
+extern int	     DRM(freelist_destroy)(drm_freelist_t *bl);
+extern int	     DRM(freelist_put)(drm_device_t *dev, drm_freelist_t *bl,
+				       drm_buf_t *buf);
+extern drm_buf_t     *DRM(freelist_get)(drm_freelist_t *bl, int block);
+#endif
+#endif /* __HAVE_DMA */
+
+#if __REALLY_HAVE_AGP
+				/* AGP/GART support (drm_agpsupport.h) */
+extern drm_agp_head_t *DRM(agp_init)(void);
+extern void           DRM(agp_uninit)(void);
+extern void           DRM(agp_do_release)(void);
+extern agp_memory     *DRM(agp_allocate_memory)(size_t pages, u32 type);
+extern int            DRM(agp_free_memory)(agp_memory *handle);
+extern int            DRM(agp_bind_memory)(agp_memory *handle, off_t start);
+extern int            DRM(agp_unbind_memory)(agp_memory *handle);
+#endif
 
-				/* Misc. IOCTL support (ioctl.c) */
-extern d_ioctl_t     drm_irq_busid;
-extern d_ioctl_t     drm_getunique;
-extern d_ioctl_t     drm_setunique;
-
-
-				/* Context IOCTL support (context.c) */
-extern d_ioctl_t     drm_resctx;
-extern d_ioctl_t     drm_addctx;
-extern d_ioctl_t     drm_modctx;
-extern d_ioctl_t     drm_getctx;
-extern d_ioctl_t     drm_switchctx;
-extern d_ioctl_t     drm_newctx;
-extern d_ioctl_t     drm_rmctx;
-
-
-				/* Drawable IOCTL support (drawable.c) */
-extern d_ioctl_t     drm_adddraw;
-extern d_ioctl_t     drm_rmdraw;
-
-
-				/* Authentication IOCTL support (auth.c) */
-extern int	     drm_add_magic(drm_device_t *dev, drm_file_t *priv,
-				   drm_magic_t magic);
-extern int	     drm_remove_magic(drm_device_t *dev, drm_magic_t magic);
-extern d_ioctl_t     drm_getmagic;
-extern d_ioctl_t     drm_authmagic;
-
-
-				/* Locking IOCTL support (lock.c) */
-extern d_ioctl_t     drm_block;
-extern d_ioctl_t     drm_unblock;
-extern int	     drm_lock_take(__volatile__ unsigned int *lock,
-				   unsigned int context);
-extern int	     drm_lock_transfer(drm_device_t *dev,
-				       __volatile__ unsigned int *lock,
-				       unsigned int context);
-extern int	     drm_lock_free(drm_device_t *dev,
-				   __volatile__ unsigned int *lock,
-				   unsigned int context);
-extern d_ioctl_t     drm_finish;
-extern int	     drm_flush_unblock(drm_device_t *dev, int context,
-				       drm_lock_flags_t flags);
-extern int	     drm_flush_block_and_flush(drm_device_t *dev, int context,
-					       drm_lock_flags_t flags);
-
-				/* Context Bitmap support (ctxbitmap.c) */
-extern int	     drm_ctxbitmap_init(drm_device_t *dev);
-extern void	     drm_ctxbitmap_cleanup(drm_device_t *dev);
-extern int	     drm_ctxbitmap_next(drm_device_t *dev);
-extern void	     drm_ctxbitmap_free(drm_device_t *dev, int ctx_handle);
-
-#ifdef DRM_AGP
-				/* AGP/GART support (agpsupport.c) */
-extern drm_agp_head_t *drm_agp_init(void);
-extern d_ioctl_t     drm_agp_acquire;
-extern d_ioctl_t     drm_agp_release;
-extern d_ioctl_t     drm_agp_enable;
-extern d_ioctl_t     drm_agp_info;
-extern d_ioctl_t     drm_agp_alloc;
-extern d_ioctl_t     drm_agp_free;
-extern d_ioctl_t     drm_agp_unbind;
-extern d_ioctl_t     drm_agp_bind;
+				/* Proc support (drm_proc.h) */
+extern struct proc_dir_entry *DRM(proc_init)(drm_device_t *dev,
+					     int minor,
+					     struct proc_dir_entry *root,
+					     struct proc_dir_entry **dev_root);
+extern int            DRM(proc_cleanup)(int minor,
+					struct proc_dir_entry *root,
+					struct proc_dir_entry *dev_root);
+
+#if __HAVE_SG
+				/* Scatter Gather Support (drm_scatter.h) */
+extern void           DRM(sg_cleanup)(drm_sg_mem_t *entry);
 #endif
+
+#if __REALLY_HAVE_SG
+                               /* ATI PCIGART support (ati_pcigart.h) */
+extern int            DRM(ati_pcigart_init)(drm_device_t *dev,
+					    unsigned long *addr,
+					    dma_addr_t *bus_addr);
+extern int            DRM(ati_pcigart_cleanup)(drm_device_t *dev,
+					       unsigned long addr,
+					       dma_addr_t bus_addr);
 #endif
+
+#endif /* __KERNEL__ */
 #endif
diff --git a/bsd-core/drm_agpsupport.c b/bsd-core/drm_agpsupport.c
new file mode 100644
index 00000000..ac12c867
--- /dev/null
+++ b/bsd-core/drm_agpsupport.c
@@ -0,0 +1,326 @@
+/* drm_agpsupport.h -- DRM support for AGP/GART backend -*- linux-c -*-
+ * Created: Mon Dec 13 09:56:45 1999 by faith@precisioninsight.com
+ *
+ * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Author:
+ *    Rickard E. (Rik) Faith <faith@valinux.com>
+ *    Gareth Hughes <gareth@valinux.com>
+ */
+
+#include "drmP.h"
+
+#include <vm/vm.h>
+#include <vm/pmap.h>
+#if __REALLY_HAVE_AGP
+#include <sys/agpio.h>
+#endif
+
+int DRM(agp_info)(DRM_OS_IOCTL)
+{
+	drm_device_t	*dev	= kdev->si_drv1;
+	struct agp_info *kern;
+	drm_agp_info_t   info;
+
+	if (!dev->agp || !dev->agp->acquired) return EINVAL;
+
+	kern                   = &dev->agp->info;
+	agp_get_info(dev->agp->agpdev, kern);
+	info.agp_version_major = 1;
+	info.agp_version_minor = 0;
+	info.mode              = kern->ai_mode;
+	info.aperture_base     = kern->ai_aperture_base;
+	info.aperture_size     = kern->ai_aperture_size;
+	info.memory_allowed    = kern->ai_memory_allowed;
+	info.memory_used       = kern->ai_memory_used;
+	info.id_vendor         = kern->ai_devid & 0xffff;
+	info.id_device         = kern->ai_devid >> 16;
+
+	*(drm_agp_info_t *) data = info;
+	return 0;
+}
+
+int DRM(agp_acquire)(DRM_OS_IOCTL)
+{
+	drm_device_t *dev = kdev->si_drv1;
+	int          retcode;
+
+	if (!dev->agp || dev->agp->acquired) return EINVAL;
+	retcode = agp_acquire(dev->agp->agpdev);
+	if (retcode) return retcode;
+	dev->agp->acquired = 1;
+	return 0;
+}
+
+int DRM(agp_release)(DRM_OS_IOCTL)
+{
+	drm_device_t *dev = kdev->si_drv1;
+
+	if (!dev->agp || !dev->agp->acquired)
+		return EINVAL;
+	agp_release(dev->agp->agpdev);
+	dev->agp->acquired = 0;
+	return 0;
+	
+}
+
+void DRM(agp_do_release)(void)
+{
+	device_t agpdev;
+
+	agpdev = agp_find_device();
+	if (agpdev)
+		agp_release(agpdev);
+}
+
+int DRM(agp_enable)(DRM_OS_IOCTL)
+{
+	drm_device_t   *dev = kdev->si_drv1;
+	drm_agp_mode_t mode;
+
+	if (!dev->agp || !dev->agp->acquired) return EINVAL;
+
+	mode = *(drm_agp_mode_t *) data;
+	
+	dev->agp->mode    = mode.mode;
+	agp_enable(dev->agp->agpdev, mode.mode);
+	dev->agp->base    = dev->agp->info.ai_aperture_base;
+	dev->agp->enabled = 1;
+	return 0;
+}
+
+int DRM(agp_alloc)(DRM_OS_IOCTL)
+{
+	drm_device_t     *dev = kdev->si_drv1;
+	drm_agp_buffer_t request;
+	drm_agp_mem_t    *entry;
+	void	         *handle;
+	unsigned long    pages;
+	u_int32_t	 type;
+	struct agp_memory_info info;
+
+	if (!dev->agp || !dev->agp->acquired) return EINVAL;
+
+	request = *(drm_agp_buffer_t *) data;
+
+	if (!(entry = DRM(alloc)(sizeof(*entry), DRM_MEM_AGPLISTS)))
+		return ENOMEM;
+   
+   	bzero(entry, sizeof(*entry));
+
+	pages = (request.size + PAGE_SIZE - 1) / PAGE_SIZE;
+	type = (u_int32_t) request.type;
+
+	if (!(handle = DRM(alloc_agp)(pages, type))) {
+		DRM(free)(entry, sizeof(*entry), DRM_MEM_AGPLISTS);
+		return ENOMEM;
+	}
+	
+	entry->handle    = handle;
+	entry->bound     = 0;
+	entry->pages     = pages;
+	entry->prev      = NULL;
+	entry->next      = dev->agp->memory;
+	if (dev->agp->memory) dev->agp->memory->prev = entry;
+	dev->agp->memory = entry;
+
+	agp_memory_info(dev->agp->agpdev, entry->handle, &info);
+
+	request.handle   = (unsigned long) entry->handle;
+        request.physical = info.ami_physical;
+
+	*(drm_agp_buffer_t *) data = request;
+
+	return 0;
+}
+
+static drm_agp_mem_t * DRM(agp_lookup_entry)(drm_device_t *dev, void *handle)
+{
+	drm_agp_mem_t *entry;
+
+	for (entry = dev->agp->memory; entry; entry = entry->next) {
+		if (entry->handle == handle) return entry;
+	}
+	return NULL;
+}
+
+int DRM(agp_unbind)(DRM_OS_IOCTL)
+{
+	drm_device_t      *dev = kdev->si_drv1;
+	drm_agp_binding_t request;
+	drm_agp_mem_t     *entry;
+	int retcode;
+
+	if (!dev->agp || !dev->agp->acquired) return EINVAL;
+	request = *(drm_agp_binding_t *) data;
+	if (!(entry = DRM(agp_lookup_entry)(dev, (void *) request.handle)))
+		return EINVAL;
+	if (!entry->bound) return EINVAL;
+	retcode=DRM(unbind_agp)(entry->handle);
+	if (!retcode)
+	{
+		entry->bound=0;
+		return 0;
+	}
+	else
+		return retcode;
+}
+
+int DRM(agp_bind)(DRM_OS_IOCTL)
+{
+	drm_device_t      *dev = kdev->si_drv1;
+	drm_agp_binding_t request;
+	drm_agp_mem_t     *entry;
+	int               retcode;
+	int               page;
+	
+	DRM_DEBUG("agp_bind, page_size=%x\n", PAGE_SIZE);
+	if (!dev->agp || !dev->agp->acquired)
+		return EINVAL;
+	request = *(drm_agp_binding_t *) data;
+	if (!(entry = DRM(agp_lookup_entry)(dev, (void *) request.handle)))
+		return EINVAL;
+	if (entry->bound) return EINVAL;
+	page = (request.offset + PAGE_SIZE - 1) / PAGE_SIZE;
+	if ((retcode = DRM(bind_agp)(entry->handle, page)))
+		return retcode;
+	entry->bound = dev->agp->base + (page << PAGE_SHIFT);
+	return 0;
+}
+
+int DRM(agp_free)(DRM_OS_IOCTL)
+{
+	drm_device_t     *dev = kdev->si_drv1;
+	drm_agp_buffer_t request;
+	drm_agp_mem_t    *entry;
+	
+	if (!dev->agp || !dev->agp->acquired) return EINVAL;
+	request = *(drm_agp_buffer_t *) data;
+	if (!(entry = DRM(agp_lookup_entry)(dev, (void*) request.handle)))
+		return EINVAL;
+	if (entry->bound) DRM(unbind_agp)(entry->handle);
+   
+	if (entry->prev) entry->prev->next = entry->next;
+	else             dev->agp->memory  = entry->next;
+	if (entry->next) entry->next->prev = entry->prev;
+	DRM(free_agp)(entry->handle, entry->pages);
+	DRM(free)(entry, sizeof(*entry), DRM_MEM_AGPLISTS);
+	return 0;
+}
+
+drm_agp_head_t *DRM(agp_init)(void)
+{
+	device_t agpdev;
+	drm_agp_head_t *head   = NULL;
+	int      agp_available = 1;
+   
+	agpdev = agp_find_device();
+	if (!agpdev)
+		agp_available = 0;
+
+	DRM_DEBUG("agp_available = %d\n", agp_available);
+
+	if (agp_available) {
+		if (!(head = DRM(alloc)(sizeof(*head), DRM_MEM_AGPLISTS)))
+			return NULL;
+		bzero((void *)head, sizeof(*head));
+		head->agpdev = agpdev;
+		agp_get_info(agpdev, &head->info);
+		head->memory = NULL;
+#if 0				/* bogus */
+		switch (head->agp_info.chipset) {
+		case INTEL_GENERIC:  head->chipset = "Intel";          break;
+		case INTEL_LX:       head->chipset = "Intel 440LX";    break;
+		case INTEL_BX:       head->chipset = "Intel 440BX";    break;
+		case INTEL_GX:       head->chipset = "Intel 440GX";    break;
+		case INTEL_I810:     head->chipset = "Intel i810";     break;
+		case VIA_GENERIC:    head->chipset = "VIA";            break;
+		case VIA_VP3:        head->chipset = "VIA VP3";        break;
+		case VIA_MVP3:       head->chipset = "VIA MVP3";       break;
+		case VIA_APOLLO_PRO: head->chipset = "VIA Apollo Pro"; break;
+		case SIS_GENERIC:    head->chipset = "SiS";            break;
+		case AMD_GENERIC:    head->chipset = "AMD";            break;
+		case AMD_IRONGATE:   head->chipset = "AMD Irongate";   break;
+		case ALI_GENERIC:    head->chipset = "ALi";            break;
+		case ALI_M1541:      head->chipset = "ALi M1541";      break;
+		default:
+		}
+#endif
+		DRM_INFO("AGP at 0x%08x %dMB\n",
+			 head->info.ai_aperture_base,
+			 head->info.ai_aperture_size >> 20);
+	}
+	return head;
+}
+
+void DRM(agp_uninit)(void)
+{
+/* FIXME: What goes here */
+}
+
+
+agp_memory *DRM(agp_allocate_memory)(size_t pages, u32 type)
+{
+	device_t agpdev;
+
+	agpdev = agp_find_device();
+	if (!agpdev)
+		return NULL;
+
+	return agp_alloc_memory(agpdev, type, pages << AGP_PAGE_SHIFT);
+}
+
+int DRM(agp_free_memory)(agp_memory *handle)
+{
+	device_t agpdev;
+
+	agpdev = agp_find_device();
+	if (!agpdev || !handle)
+		return 0;
+
+	agp_free_memory(agpdev, handle);
+	return 1;
+}
+
+int DRM(agp_bind_memory)(agp_memory *handle, off_t start)
+{
+	device_t agpdev;
+
+	agpdev = agp_find_device();
+	if (!agpdev || !handle)
+		return EINVAL;
+
+	return agp_bind_memory(agpdev, handle, start * PAGE_SIZE);
+}
+
+int DRM(agp_unbind_memory)(agp_memory *handle)
+{
+	device_t agpdev;
+
+	agpdev = agp_find_device();
+	if (!agpdev || !handle)
+		return EINVAL;
+
+	return agp_unbind_memory(agpdev, handle);
+}
diff --git a/bsd-core/drm_auth.c b/bsd-core/drm_auth.c
new file mode 100644
index 00000000..f2c2d8da
--- /dev/null
+++ b/bsd-core/drm_auth.c
@@ -0,0 +1,166 @@
+/* drm_auth.h -- IOCTLs for authentication -*- linux-c -*-
+ * Created: Tue Feb  2 08:37:54 1999 by faith@valinux.com
+ *
+ * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Rickard E. (Rik) Faith <faith@valinux.com>
+ *    Gareth Hughes <gareth@valinux.com>
+ */
+
+#define __NO_VERSION__
+#include "drmP.h"
+
+static int DRM(hash_magic)(drm_magic_t magic)
+{
+	return magic & (DRM_HASH_SIZE-1);
+}
+
+static drm_file_t *DRM(find_file)(drm_device_t *dev, drm_magic_t magic)
+{
+	drm_file_t	  *retval = NULL;
+	drm_magic_entry_t *pt;
+	int		  hash	  = DRM(hash_magic)(magic);
+
+	DRM_OS_LOCK;
+	for (pt = dev->magiclist[hash].head; pt; pt = pt->next) {
+		if (pt->magic == magic) {
+			retval = pt->priv;
+			break;
+		}
+	}
+	DRM_OS_UNLOCK;
+	return retval;
+}
+
+int DRM(add_magic)(drm_device_t *dev, drm_file_t *priv, drm_magic_t magic)
+{
+	int		  hash;
+	drm_magic_entry_t *entry;
+
+	DRM_DEBUG("%d\n", magic);
+
+	hash	     = DRM(hash_magic)(magic);
+	entry	     = (drm_magic_entry_t*) DRM(alloc)(sizeof(*entry), DRM_MEM_MAGIC);
+	if (!entry) DRM_OS_RETURN(ENOMEM);
+	entry->magic = magic;
+	entry->priv  = priv;
+	entry->next  = NULL;
+
+	DRM_OS_LOCK;
+	if (dev->magiclist[hash].tail) {
+		dev->magiclist[hash].tail->next = entry;
+		dev->magiclist[hash].tail	= entry;
+	} else {
+		dev->magiclist[hash].head	= entry;
+		dev->magiclist[hash].tail	= entry;
+	}
+	DRM_OS_UNLOCK;
+
+	return 0;
+}
+
+int DRM(remove_magic)(drm_device_t *dev, drm_magic_t magic)
+{
+	drm_magic_entry_t *prev = NULL;
+	drm_magic_entry_t *pt;
+	int		  hash;
+
+	DRM_DEBUG("%d\n", magic);
+	hash = DRM(hash_magic)(magic);
+
+	DRM_OS_LOCK;
+	for (pt = dev->magiclist[hash].head; pt; prev = pt, pt = pt->next) {
+		if (pt->magic == magic) {
+			if (dev->magiclist[hash].head == pt) {
+				dev->magiclist[hash].head = pt->next;
+			}
+			if (dev->magiclist[hash].tail == pt) {
+				dev->magiclist[hash].tail = prev;
+			}
+			if (prev) {
+				prev->next = pt->next;
+			}
+			DRM_OS_UNLOCK;
+			DRM(free)(pt, sizeof(*pt), DRM_MEM_MAGIC);
+			return 0;
+		}
+	}
+	DRM_OS_UNLOCK;
+
+	DRM(free)(pt, sizeof(*pt), DRM_MEM_MAGIC);
+	DRM_OS_RETURN(EINVAL);
+}
+
+int DRM(getmagic)(DRM_OS_IOCTL)
+{
+	static drm_magic_t sequence = 0;
+	drm_auth_t	   auth;
+	static DRM_OS_SPINTYPE lock;
+	static int	   first = 1;
+	DRM_OS_DEVICE;
+	DRM_OS_PRIV;
+
+	if (first) {
+		DRM_OS_SPININIT(lock, "drm getmagic");
+		first = 0;
+	}
+
+				/* Find unique magic */
+	if (priv->magic) {
+		auth.magic = priv->magic;
+	} else {
+		do {
+			DRM_OS_SPINLOCK(&lock);
+			if (!sequence) ++sequence; /* reserve 0 */
+			auth.magic = sequence++;
+			DRM_OS_SPINUNLOCK(&lock);
+		} while (DRM(find_file)(dev, auth.magic));
+		priv->magic = auth.magic;
+		DRM(add_magic)(dev, priv, auth.magic);
+	}
+
+	DRM_DEBUG("%u\n", auth.magic);
+
+	DRM_OS_KRNTOUSR((drm_auth_t *)data, auth, sizeof(auth));
+
+	return 0;
+}
+
+int DRM(authmagic)(DRM_OS_IOCTL)
+{
+	drm_auth_t	   auth;
+	drm_file_t	   *file;
+	DRM_OS_DEVICE;
+
+	DRM_OS_KRNFROMUSR(auth, (drm_auth_t *)data, sizeof(auth));
+
+	DRM_DEBUG("%u\n", auth.magic);
+	if ((file = DRM(find_file)(dev, auth.magic))) {
+		file->authenticated = 1;
+		DRM(remove_magic)(dev, auth.magic);
+		return 0;
+	}
+	DRM_OS_RETURN(EINVAL);
+}
diff --git a/bsd-core/drm_bufs.c b/bsd-core/drm_bufs.c
new file mode 100644
index 00000000..d55b36d8
--- /dev/null
+++ b/bsd-core/drm_bufs.c
@@ -0,0 +1,1092 @@
+/* drm_bufs.h -- Generic buffer template -*- linux-c -*-
+ * Created: Thu Nov 23 03:10:50 2000 by gareth@valinux.com
+ *
+ * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Rickard E. (Rik) Faith <faith@valinux.com>
+ *    Gareth Hughes <gareth@valinux.com>
+ */
+
+#define __NO_VERSION__
+#include <machine/param.h>
+#include <sys/mman.h>
+#include <vm/vm.h>
+#include <vm/pmap.h>
+#include <vm/vm_extern.h>
+#include <vm/vm_map.h>
+#include <vm/vm_param.h>
+#include "drmP.h"
+
+#ifndef __HAVE_PCI_DMA
+#define __HAVE_PCI_DMA		0
+#endif
+
+#ifndef __HAVE_SG
+#define __HAVE_SG		0
+#endif
+
+#ifndef DRIVER_BUF_PRIV_T
+#define DRIVER_BUF_PRIV_T		u32
+#endif
+#ifndef DRIVER_AGP_BUFFERS_MAP
+#if __HAVE_AGP && __HAVE_DMA
+#error "You must define DRIVER_AGP_BUFFERS_MAP()"
+#else
+#define DRIVER_AGP_BUFFERS_MAP( dev )	NULL
+#endif
+#endif
+
+/*
+ * Compute order.  Can be made faster.
+ */
+int DRM(order)( unsigned long size )
+{
+	int order;
+	unsigned long tmp;
+
+	for ( order = 0, tmp = size ; tmp >>= 1 ; ++order );
+
+	if ( size & ~(1 << order) )
+		++order;
+
+	return order;
+}
+
+int DRM(addmap)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_map_t *map;
+	drm_map_list_entry_t *list;
+
+	if (!(dev->flags & (FREAD|FWRITE)))
+		DRM_OS_RETURN(EACCES); /* Require read/write */
+
+	map = (drm_map_t *) DRM(alloc)( sizeof(*map), DRM_MEM_MAPS );
+	if ( !map )
+		DRM_OS_RETURN(ENOMEM);
+
+	*map = *(drm_map_t *)data;
+
+	/* Only allow shared memory to be removable since we only keep enough
+	 * book keeping information about shared memory to allow for removal
+	 * when processes fork.
+	 */
+	if ( (map->flags & _DRM_REMOVABLE) && map->type != _DRM_SHM ) {
+		DRM(free)( map, sizeof(*map), DRM_MEM_MAPS );
+		DRM_OS_RETURN(EINVAL);
+	}
+	DRM_DEBUG( "offset = 0x%08lx, size = 0x%08lx, type = %d\n",
+		   map->offset, map->size, map->type );
+	if ( (map->offset & PAGE_MASK) || (map->size & PAGE_MASK) ) {
+		DRM(free)( map, sizeof(*map), DRM_MEM_MAPS );
+		DRM_OS_RETURN(EINVAL);
+	}
+	map->mtrr   = -1;
+	map->handle = 0;
+
+	TAILQ_FOREACH(list, dev->maplist, link) {
+		drm_map_t *entry = list->map;
+		if (        (entry->offset >= map->offset
+			    && (entry->offset) < (map->offset + map->size) )
+			|| ((entry->offset + entry->size) >= map->offset
+			    && (entry->offset + entry->size) < (map->offset + map->size) ) 
+			|| ((entry->offset < map->offset)
+			    && (entry->offset + entry->size) >= (map->offset + map->size) ) )
+			DRM_DEBUG("map collission: add(0x%lx-0x%lx), current(0x%lx-0x%lx)\n", 
+				entry->offset, entry->offset + entry->size - 1,
+				map->offset, map->offset + map->size - 1);
+	}
+
+	switch ( map->type ) {
+	case _DRM_REGISTERS:
+	case _DRM_FRAME_BUFFER:
+#if !defined(__sparc__) && !defined(__alpha__)
+		if ( map->offset + map->size < map->offset
+		) {
+			DRM(free)( map, sizeof(*map), DRM_MEM_MAPS );
+			DRM_OS_RETURN(EINVAL);
+		}
+#endif
+#ifdef __alpha__
+		map->offset += dev->hose->mem_space->start;
+#endif
+#if __REALLY_HAVE_MTRR
+		if ( map->type == _DRM_FRAME_BUFFER ||
+		     (map->flags & _DRM_WRITE_COMBINING) ) {
+			map->mtrr = mtrr_add( map->offset, map->size,
+					      MTRR_TYPE_WRCOMB, 1 );
+		}
+#endif
+		map->handle = DRM(ioremap)( map->offset, map->size );
+		break;
+
+	case _DRM_SHM:
+		DRM_INFO( "%ld %d %d\n",
+			   map->size, DRM(order)( map->size ), PAGE_SHIFT);
+		map->handle = (void *)DRM(alloc_pages)
+			(DRM(order)(map->size) - PAGE_SHIFT, DRM_MEM_SAREA);
+		DRM_DEBUG( "%ld %d %p\n",
+			   map->size, DRM(order)( map->size ), map->handle );
+		if ( !map->handle ) {
+			DRM(free)( map, sizeof(*map), DRM_MEM_MAPS );
+			DRM_OS_RETURN(ENOMEM);
+		}
+		map->offset = (unsigned long)map->handle;
+		if ( map->flags & _DRM_CONTAINS_LOCK ) {
+			dev->lock.hw_lock = map->handle; /* Pointer to lock */
+		}
+		break;
+#if __REALLY_HAVE_AGP
+	case _DRM_AGP:
+#ifdef __alpha__
+		map->offset += dev->hose->mem_space->start;
+#endif
+		map->offset += dev->agp->base;
+		map->mtrr   = dev->agp->agp_mtrr; /* for getmap */
+		break;
+#endif
+	case _DRM_SCATTER_GATHER:
+		if (!dev->sg) {
+			DRM(free)(map, sizeof(*map), DRM_MEM_MAPS);
+			DRM_OS_RETURN(EINVAL);
+		}
+		map->offset = map->offset + dev->sg->handle;
+		break;
+
+	default:
+		DRM(free)( map, sizeof(*map), DRM_MEM_MAPS );
+		DRM_OS_RETURN(EINVAL);
+	}
+
+	list = DRM(alloc)(sizeof(*list), DRM_MEM_MAPS);
+	if(!list) {
+		DRM(free)(map, sizeof(*map), DRM_MEM_MAPS);
+		DRM_OS_RETURN(EINVAL);
+	}
+	memset(list, 0, sizeof(*list));
+	list->map = map;
+
+	DRM_OS_LOCK;
+	TAILQ_INSERT_TAIL(dev->maplist, list, link);
+	DRM_OS_UNLOCK;
+
+	*(drm_map_t *)data = *map;
+
+	if ( map->type != _DRM_SHM ) {
+		((drm_map_t *)data)->handle = (void *)map->offset;
+	}
+	return 0;
+}
+
+
+/* Remove a map private from list and deallocate resources if the mapping
+ * isn't in use.
+ */
+
+int DRM(rmmap)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_map_list_entry_t *list;
+	drm_map_t *map;
+	drm_map_t request;
+	int found_maps = 0;
+
+	DRM_OS_KRNFROMUSR( request, (drm_map_t *)data, sizeof(request) );
+
+	DRM_OS_LOCK;
+	TAILQ_FOREACH(list, dev->maplist, link) {
+		map = list->map;
+		if(map->handle == request.handle &&
+		   map->flags & _DRM_REMOVABLE) break;
+	}
+
+	/* List has wrapped around to the head pointer, or its empty we didn't
+	 * find anything.
+	 */
+	if(list == NULL) {
+		DRM_OS_UNLOCK;
+		DRM_OS_RETURN(EINVAL);
+	}
+	TAILQ_REMOVE(dev->maplist, list, link);
+	DRM(free)(list, sizeof(*list), DRM_MEM_MAPS);
+
+
+	if(!found_maps) {
+		switch (map->type) {
+		case _DRM_REGISTERS:
+		case _DRM_FRAME_BUFFER:
+#if __REALLY_HAVE_MTRR
+			if (map->mtrr >= 0) {
+				int retcode;
+				retcode = mtrr_del(map->mtrr,
+						   map->offset,
+						   map->size);
+				DRM_DEBUG("mtrr_del = %d\n", retcode);
+			}
+#endif
+			DRM(ioremapfree)(map->handle, map->size);
+			break;
+		case _DRM_SHM:
+			DRM(free_pages)( (unsigned long)map->handle, DRM(order)(map->size), DRM_MEM_SAREA );
+			break;
+		case _DRM_AGP:
+		case _DRM_SCATTER_GATHER:
+			break;
+		}
+		DRM(free)(map, sizeof(*map), DRM_MEM_MAPS);
+	}
+	DRM_OS_UNLOCK;
+	return 0;
+}
+
+#if __HAVE_DMA
+
+
+static void DRM(cleanup_buf_error)(drm_buf_entry_t *entry)
+{
+	int i;
+
+	if (entry->seg_count) {
+		for (i = 0; i < entry->seg_count; i++) {
+			DRM(free_pages)(entry->seglist[i],
+					entry->page_order,
+					DRM_MEM_DMA);
+		}
+		DRM(free)(entry->seglist,
+			  entry->seg_count *
+			  sizeof(*entry->seglist),
+			  DRM_MEM_SEGS);
+
+		entry->seg_count = 0;
+	}
+
+   	if(entry->buf_count) {
+	   	for(i = 0; i < entry->buf_count; i++) {
+			if(entry->buflist[i].dev_private) {
+				DRM(free)(entry->buflist[i].dev_private,
+					  entry->buflist[i].dev_priv_size,
+					  DRM_MEM_BUFS);
+			}
+		}
+		DRM(free)(entry->buflist,
+			  entry->buf_count *
+			  sizeof(*entry->buflist),
+			  DRM_MEM_BUFS);
+
+#if __HAVE_DMA_FREELIST
+	   	DRM(freelist_destroy)(&entry->freelist);
+#endif
+
+		entry->buf_count = 0;
+	}
+}
+
+#if __REALLY_HAVE_AGP
+int DRM(addbufs_agp)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_device_dma_t *dma = dev->dma;
+	drm_buf_desc_t request;
+	drm_buf_entry_t *entry;
+	drm_buf_t *buf;
+	unsigned long offset;
+	unsigned long agp_offset;
+	int count;
+	int order;
+	int size;
+	int alignment;
+	int page_order;
+	int total;
+	int byte_count;
+	int i;
+	drm_buf_t **temp_buflist;
+
+	if ( !dma ) DRM_OS_RETURN(EINVAL);
+
+	DRM_OS_KRNFROMUSR( request, (drm_buf_desc_t *)data, sizeof(request) );
+
+	count = request.count;
+	order = DRM(order)( request.size );
+	size = 1 << order;
+
+	alignment  = (request.flags & _DRM_PAGE_ALIGN)
+		? round_page(size) : size;
+	page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0;
+	total = PAGE_SIZE << page_order;
+
+	byte_count = 0;
+	agp_offset = dev->agp->base + request.agp_start;
+
+	DRM_DEBUG( "count:      %d\n",  count );
+	DRM_DEBUG( "order:      %d\n",  order );
+	DRM_DEBUG( "size:       %d\n",  size );
+	DRM_DEBUG( "agp_offset: 0x%lx\n", agp_offset );
+	DRM_DEBUG( "alignment:  %d\n",  alignment );
+	DRM_DEBUG( "page_order: %d\n",  page_order );
+	DRM_DEBUG( "total:      %d\n",  total );
+
+	if ( order < DRM_MIN_ORDER || order > DRM_MAX_ORDER ) 
+		DRM_OS_RETURN(EINVAL);
+	if ( dev->queue_count ) 
+		DRM_OS_RETURN(EBUSY); /* Not while in use */
+
+	DRM_OS_SPINLOCK( &dev->count_lock );
+	if ( dev->buf_use ) {
+		DRM_OS_SPINUNLOCK( &dev->count_lock );
+		DRM_OS_RETURN(EBUSY);
+	}
+	atomic_inc( &dev->buf_alloc );
+	DRM_OS_SPINUNLOCK( &dev->count_lock );
+
+	DRM_OS_LOCK;
+	entry = &dma->bufs[order];
+	if ( entry->buf_count ) {
+		DRM_OS_UNLOCK;
+		atomic_dec( &dev->buf_alloc );
+		DRM_OS_RETURN(ENOMEM); /* May only call once for each order */
+	}
+
+	if (count < 0 || count > 4096) {
+		DRM_OS_UNLOCK;
+		atomic_dec( &dev->buf_alloc );
+		DRM_OS_RETURN(EINVAL);
+	}
+
+	entry->buflist = DRM(alloc)( count * sizeof(*entry->buflist),
+				    DRM_MEM_BUFS );
+	if ( !entry->buflist ) {
+		DRM_OS_UNLOCK;
+		atomic_dec( &dev->buf_alloc );
+		DRM_OS_RETURN(ENOMEM);
+	}
+	memset( entry->buflist, 0, count * sizeof(*entry->buflist) );
+
+	entry->buf_size = size;
+	entry->page_order = page_order;
+
+	offset = 0;
+
+	while ( entry->buf_count < count ) {
+		buf          = &entry->buflist[entry->buf_count];
+		buf->idx     = dma->buf_count + entry->buf_count;
+		buf->total   = alignment;
+		buf->order   = order;
+		buf->used    = 0;
+
+		buf->offset  = (dma->byte_count + offset);
+		buf->bus_address = agp_offset + offset;
+		buf->address = (void *)(agp_offset + offset);
+		buf->next    = NULL;
+		buf->waiting = 0;
+		buf->pending = 0;
+		buf->dma_wait = 0;
+		buf->pid     = 0;
+
+		buf->dev_priv_size = sizeof(DRIVER_BUF_PRIV_T);
+		buf->dev_private = DRM(alloc)( sizeof(DRIVER_BUF_PRIV_T),
+					       DRM_MEM_BUFS );
+		if(!buf->dev_private) {
+			/* Set count correctly so we free the proper amount. */
+			entry->buf_count = count;
+			DRM(cleanup_buf_error)(entry);
+		}
+		memset( buf->dev_private, 0, buf->dev_priv_size );
+
+#if __HAVE_DMA_HISTOGRAM
+		buf->time_queued = 0;
+		buf->time_dispatched = 0;
+		buf->time_completed = 0;
+		buf->time_freed = 0;
+#endif
+
+		offset += alignment;
+		entry->buf_count++;
+		byte_count += PAGE_SIZE << page_order;
+	}
+
+	DRM_DEBUG( "byte_count: %d\n", byte_count );
+
+	temp_buflist = DRM(realloc)( dma->buflist,
+				     dma->buf_count * sizeof(*dma->buflist),
+				     (dma->buf_count + entry->buf_count)
+				     * sizeof(*dma->buflist),
+				     DRM_MEM_BUFS );
+	if(!temp_buflist) {
+		/* Free the entry because it isn't valid */
+		DRM(cleanup_buf_error)(entry);
+		DRM_OS_UNLOCK;
+		atomic_dec( &dev->buf_alloc );
+		DRM_OS_RETURN(ENOMEM);
+	}
+	dma->buflist = temp_buflist;
+
+	for ( i = 0 ; i < entry->buf_count ; i++ ) {
+		dma->buflist[i + dma->buf_count] = &entry->buflist[i];
+	}
+
+	dma->buf_count += entry->buf_count;
+	dma->byte_count += byte_count;
+
+	DRM_DEBUG( "dma->buf_count : %d\n", dma->buf_count );
+	DRM_DEBUG( "entry->buf_count : %d\n", entry->buf_count );
+
+#if __HAVE_DMA_FREELIST
+	DRM(freelist_create)( &entry->freelist, entry->buf_count );
+	for ( i = 0 ; i < entry->buf_count ; i++ ) {
+		DRM(freelist_put)( dev, &entry->freelist, &entry->buflist[i] );
+	}
+#endif
+	DRM_OS_UNLOCK;
+
+	request.count = entry->buf_count;
+	request.size = size;
+
+	DRM_OS_KRNTOUSR( (drm_buf_desc_t *)data, request, sizeof(request) );
+
+	dma->flags = _DRM_DMA_USE_AGP;
+
+	atomic_dec( &dev->buf_alloc );
+	return 0;
+}
+#endif /* __REALLY_HAVE_AGP */
+
+#if __HAVE_PCI_DMA
+int DRM(addbufs_pci)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_device_dma_t *dma = dev->dma;
+	drm_buf_desc_t request;
+	int count;
+	int order;
+	int size;
+	int total;
+	int page_order;
+	drm_buf_entry_t *entry;
+	unsigned long page;
+	drm_buf_t *buf;
+	int alignment;
+	unsigned long offset;
+	int i;
+	int byte_count;
+	int page_count;
+	unsigned long *temp_pagelist;
+	drm_buf_t **temp_buflist;
+
+	if ( !dma ) DRM_OS_RETURN(EINVAL);
+
+	DRM_OS_KRNFROMUSR( request, (drm_buf_desc_t *)data, sizeof(request) );
+
+	count = request.count;
+	order = DRM(order)( request.size );
+	size = 1 << order;
+
+	DRM_DEBUG( "count=%d, size=%d (%d), order=%d, queue_count=%d\n",
+		   request.count, request.size, size,
+		   order, dev->queue_count );
+
+	if ( order < DRM_MIN_ORDER || order > DRM_MAX_ORDER ) 
+		DRM_OS_RETURN(EINVAL);
+	if ( dev->queue_count ) 
+		DRM_OS_RETURN(EBUSY); /* Not while in use */
+
+	alignment = (request.flags & _DRM_PAGE_ALIGN)
+		? round_page(size) : size;
+	page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0;
+	total = PAGE_SIZE << page_order;
+
+	DRM_OS_SPINLOCK( &dev->count_lock );
+	if ( dev->buf_use ) {
+		DRM_OS_SPINUNLOCK( &dev->count_lock );
+		DRM_OS_RETURN(EBUSY);
+	}
+	atomic_inc( &dev->buf_alloc );
+	DRM_OS_SPINUNLOCK( &dev->count_lock );
+
+	DRM_OS_LOCK;
+	entry = &dma->bufs[order];
+	if ( entry->buf_count ) {
+		DRM_OS_UNLOCK;
+		atomic_dec( &dev->buf_alloc );
+		DRM_OS_RETURN(ENOMEM);	/* May only call once for each order */
+	}
+
+	if (count < 0 || count > 4096) {
+		DRM_OS_UNLOCK;
+		atomic_dec( &dev->buf_alloc );
+		DRM_OS_RETURN(EINVAL);
+	}
+
+	entry->buflist = DRM(alloc)( count * sizeof(*entry->buflist),
+				    DRM_MEM_BUFS );
+	if ( !entry->buflist ) {
+		DRM_OS_UNLOCK;
+		atomic_dec( &dev->buf_alloc );
+		DRM_OS_RETURN(ENOMEM);
+	}
+	memset( entry->buflist, 0, count * sizeof(*entry->buflist) );
+
+	entry->seglist = DRM(alloc)( count * sizeof(*entry->seglist),
+				    DRM_MEM_SEGS );
+	if ( !entry->seglist ) {
+		DRM(free)( entry->buflist,
+			  count * sizeof(*entry->buflist),
+			  DRM_MEM_BUFS );
+		DRM_OS_UNLOCK;
+		atomic_dec( &dev->buf_alloc );
+		DRM_OS_RETURN(ENOMEM);
+	}
+	memset( entry->seglist, 0, count * sizeof(*entry->seglist) );
+
+	temp_pagelist = DRM(realloc)( dma->pagelist,
+				      dma->page_count * sizeof(*dma->pagelist),
+				      (dma->page_count + (count << page_order))
+				      * sizeof(*dma->pagelist),
+				      DRM_MEM_PAGES );
+	if(!temp_pagelist) {
+		DRM(free)( entry->buflist,
+			   count * sizeof(*entry->buflist),
+			   DRM_MEM_BUFS );
+		DRM(free)( entry->seglist,
+			   count * sizeof(*entry->seglist),
+			   DRM_MEM_SEGS );
+		DRM_OS_UNLOCK;
+		atomic_dec( &dev->buf_alloc );
+		DRM_OS_RETURN(ENOMEM);
+	}
+
+	dma->pagelist = temp_pagelist;
+	DRM_DEBUG( "pagelist: %d entries\n",
+		   dma->page_count + (count << page_order) );
+
+	entry->buf_size	= size;
+	entry->page_order = page_order;
+	byte_count = 0;
+	page_count = 0;
+
+	while ( entry->buf_count < count ) {
+		page = DRM(alloc_pages)( page_order, DRM_MEM_DMA );
+		if ( !page ) break;
+		entry->seglist[entry->seg_count++] = page;
+		for ( i = 0 ; i < (1 << page_order) ; i++ ) {
+			DRM_DEBUG( "page %d @ 0x%08lx\n",
+				   dma->page_count + page_count,
+				   page + PAGE_SIZE * i );
+			dma->pagelist[dma->page_count + page_count++]
+				= page + PAGE_SIZE * i;
+		}
+		for ( offset = 0 ;
+		      offset + size <= total && entry->buf_count < count ;
+		      offset += alignment, ++entry->buf_count ) {
+			buf	     = &entry->buflist[entry->buf_count];
+			buf->idx     = dma->buf_count + entry->buf_count;
+			buf->total   = alignment;
+			buf->order   = order;
+			buf->used    = 0;
+			buf->offset  = (dma->byte_count + byte_count + offset);
+			buf->address = (void *)(page + offset);
+			buf->next    = NULL;
+			buf->waiting = 0;
+			buf->pending = 0;
+			buf->dma_wait = 0;
+			buf->pid     = 0;
+#if __HAVE_DMA_HISTOGRAM
+			buf->time_queued     = 0;
+			buf->time_dispatched = 0;
+			buf->time_completed  = 0;
+			buf->time_freed      = 0;
+#endif
+			DRM_DEBUG( "buffer %d @ %p\n",
+				   entry->buf_count, buf->address );
+		}
+		byte_count += PAGE_SIZE << page_order;
+	}
+
+	temp_buflist = DRM(realloc)( dma->buflist,
+				     dma->buf_count * sizeof(*dma->buflist),
+				     (dma->buf_count + entry->buf_count)
+				     * sizeof(*dma->buflist),
+				     DRM_MEM_BUFS );
+	if(!temp_buflist) {
+		/* Free the entry because it isn't valid */
+		DRM(cleanup_buf_error)(entry);
+		DRM_OS_UNLOCK;
+		atomic_dec( &dev->buf_alloc );
+		DRM_OS_RETURN(ENOMEM);
+	}
+	dma->buflist = temp_buflist;
+
+	for ( i = 0 ; i < entry->buf_count ; i++ ) {
+		dma->buflist[i + dma->buf_count] = &entry->buflist[i];
+	}
+
+	dma->buf_count += entry->buf_count;
+	dma->seg_count += entry->seg_count;
+	dma->page_count += entry->seg_count << page_order;
+	dma->byte_count += PAGE_SIZE * (entry->seg_count << page_order);
+
+#if __HAVE_DMA_FREELIST
+	DRM(freelist_create)( &entry->freelist, entry->buf_count );
+	for ( i = 0 ; i < entry->buf_count ; i++ ) {
+		DRM(freelist_put)( dev, &entry->freelist, &entry->buflist[i] );
+	}
+#endif
+	DRM_OS_UNLOCK;
+
+	request.count = entry->buf_count;
+	request.size = size;
+
+	DRM_OS_KRNTOUSR( (drm_buf_desc_t *)data, request, sizeof(request) );
+
+	atomic_dec( &dev->buf_alloc );
+	return 0;
+
+}
+#endif /* __HAVE_PCI_DMA */
+
+#if __REALLY_HAVE_SG
+int DRM(addbufs_sg)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_device_dma_t *dma = dev->dma;
+	drm_buf_desc_t request;
+	drm_buf_entry_t *entry;
+	drm_buf_t *buf;
+	unsigned long offset;
+	unsigned long agp_offset;
+	int count;
+	int order;
+	int size;
+	int alignment;
+	int page_order;
+	int total;
+	int byte_count;
+	int i;
+	drm_buf_t **temp_buflist;
+
+	if ( !dma ) DRM_OS_RETURN(EINVAL);
+
+	DRM_OS_KRNFROMUSR( request, (drm_buf_desc_t *)data, sizeof(request) );
+
+	count = request.count;
+	order = DRM(order)( request.size );
+	size = 1 << order;
+
+	alignment  = (request.flags & _DRM_PAGE_ALIGN)
+		? round_page(size) : size;
+	page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0;
+	total = PAGE_SIZE << page_order;
+
+	byte_count = 0;
+	agp_offset = request.agp_start;
+
+	DRM_DEBUG( "count:      %d\n",  count );
+	DRM_DEBUG( "order:      %d\n",  order );
+	DRM_DEBUG( "size:       %d\n",  size );
+	DRM_DEBUG( "agp_offset: %ld\n", agp_offset );
+	DRM_DEBUG( "alignment:  %d\n",  alignment );
+	DRM_DEBUG( "page_order: %d\n",  page_order );
+	DRM_DEBUG( "total:      %d\n",  total );
+
+	if ( order < DRM_MIN_ORDER || order > DRM_MAX_ORDER ) 
+		DRM_OS_RETURN(EINVAL);
+	if ( dev->queue_count ) DRM_OS_RETURN(EBUSY); /* Not while in use */
+
+	DRM_OS_SPINLOCK( &dev->count_lock );
+	if ( dev->buf_use ) {
+		DRM_OS_SPINUNLOCK( &dev->count_lock );
+		DRM_OS_RETURN(EBUSY);
+	}
+	atomic_inc( &dev->buf_alloc );
+	DRM_OS_SPINUNLOCK( &dev->count_lock );
+
+	DRM_OS_LOCK;
+	entry = &dma->bufs[order];
+	if ( entry->buf_count ) {
+		DRM_OS_UNLOCK;
+		atomic_dec( &dev->buf_alloc );
+		DRM_OS_RETURN(ENOMEM); /* May only call once for each order */
+	}
+
+	if (count < 0 || count > 4096) {
+		DRM_OS_UNLOCK;
+		atomic_dec( &dev->buf_alloc );
+		DRM_OS_RETURN(EINVAL);
+	}
+
+	entry->buflist = DRM(alloc)( count * sizeof(*entry->buflist),
+				     DRM_MEM_BUFS );
+	if ( !entry->buflist ) {
+		DRM_OS_UNLOCK;
+		atomic_dec( &dev->buf_alloc );
+		DRM_OS_RETURN(ENOMEM);
+	}
+	memset( entry->buflist, 0, count * sizeof(*entry->buflist) );
+
+	entry->buf_size = size;
+	entry->page_order = page_order;
+
+	offset = 0;
+
+	while ( entry->buf_count < count ) {
+		buf          = &entry->buflist[entry->buf_count];
+		buf->idx     = dma->buf_count + entry->buf_count;
+		buf->total   = alignment;
+		buf->order   = order;
+		buf->used    = 0;
+
+		buf->offset  = (dma->byte_count + offset);
+		buf->bus_address = agp_offset + offset;
+		buf->address = (void *)(agp_offset + offset + dev->sg->handle);
+		buf->next    = NULL;
+		buf->waiting = 0;
+		buf->pending = 0;
+		buf->dma_wait = 0;
+		buf->pid     = 0;
+
+		buf->dev_priv_size = sizeof(DRIVER_BUF_PRIV_T);
+		buf->dev_private = DRM(alloc)( sizeof(DRIVER_BUF_PRIV_T),
+					       DRM_MEM_BUFS );
+		if(!buf->dev_private) {
+			/* Set count correctly so we free the proper amount. */
+			entry->buf_count = count;
+			DRM(cleanup_buf_error)(entry);
+			DRM_OS_UNLOCK;
+			atomic_dec( &dev->buf_alloc );
+			DRM_OS_RETURN(ENOMEM);
+		}
+
+		memset( buf->dev_private, 0, buf->dev_priv_size );
+
+# if __HAVE_DMA_HISTOGRAM
+		buf->time_queued = 0;
+		buf->time_dispatched = 0;
+		buf->time_completed = 0;
+		buf->time_freed = 0;
+# endif
+		DRM_DEBUG( "buffer %d @ %p\n",
+			   entry->buf_count, buf->address );
+
+		offset += alignment;
+		entry->buf_count++;
+		byte_count += PAGE_SIZE << page_order;
+	}
+
+	DRM_DEBUG( "byte_count: %d\n", byte_count );
+
+	temp_buflist = DRM(realloc)( dma->buflist,
+				     dma->buf_count * sizeof(*dma->buflist),
+				     (dma->buf_count + entry->buf_count)
+				     * sizeof(*dma->buflist),
+				     DRM_MEM_BUFS );
+	if(!temp_buflist) {
+		/* Free the entry because it isn't valid */
+		DRM(cleanup_buf_error)(entry);
+		DRM_OS_UNLOCK;
+		atomic_dec( &dev->buf_alloc );
+		DRM_OS_RETURN(ENOMEM);
+	}
+	dma->buflist = temp_buflist;
+
+	for ( i = 0 ; i < entry->buf_count ; i++ ) {
+		dma->buflist[i + dma->buf_count] = &entry->buflist[i];
+	}
+
+	dma->buf_count += entry->buf_count;
+	dma->byte_count += byte_count;
+
+	DRM_DEBUG( "dma->buf_count : %d\n", dma->buf_count );
+	DRM_DEBUG( "entry->buf_count : %d\n", entry->buf_count );
+
+#if __HAVE_DMA_FREELIST
+	DRM(freelist_create)( &entry->freelist, entry->buf_count );
+	for ( i = 0 ; i < entry->buf_count ; i++ ) {
+		DRM(freelist_put)( dev, &entry->freelist, &entry->buflist[i] );
+	}
+#endif
+	DRM_OS_UNLOCK;
+
+	request.count = entry->buf_count;
+	request.size = size;
+
+	DRM_OS_KRNTOUSR( (drm_buf_desc_t *)data, request, sizeof(request) );
+
+	dma->flags = _DRM_DMA_USE_SG;
+
+	atomic_dec( &dev->buf_alloc );
+	return 0;
+}
+#endif /* __REALLY_HAVE_SG */
+
+int DRM(addbufs)( DRM_OS_IOCTL )
+{
+	drm_buf_desc_t request;
+
+	DRM_OS_KRNFROMUSR( request, (drm_buf_desc_t *)data, sizeof(request) );
+
+#if __REALLY_HAVE_AGP
+	if ( request.flags & _DRM_AGP_BUFFER )
+		return DRM(addbufs_agp)( kdev, cmd, data, flags, p );
+	else
+#endif
+#if __REALLY_HAVE_SG
+	if ( request.flags & _DRM_SG_BUFFER )
+		return DRM(addbufs_sg)( kdev, cmd, data, flags, p );
+	else
+#endif
+#if __HAVE_PCI_DMA
+		return DRM(addbufs_pci)( kdev, cmd, data, flags, p );
+#else
+		DRM_OS_RETURN(EINVAL);
+#endif
+}
+
+int DRM(infobufs)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_device_dma_t *dma = dev->dma;
+	drm_buf_info_t request;
+	int i;
+	int count;
+
+	if ( !dma ) DRM_OS_RETURN(EINVAL);
+
+	DRM_OS_SPINLOCK( &dev->count_lock );
+	if ( atomic_read( &dev->buf_alloc ) ) {
+		DRM_OS_SPINUNLOCK( &dev->count_lock );
+		DRM_OS_RETURN(EBUSY);
+	}
+	++dev->buf_use;		/* Can't allocate more after this call */
+	DRM_OS_SPINUNLOCK( &dev->count_lock );
+
+	DRM_OS_KRNFROMUSR( request, (drm_buf_info_t *)data, sizeof(request) );
+
+	for ( i = 0, count = 0 ; i < DRM_MAX_ORDER + 1 ; i++ ) {
+		if ( dma->bufs[i].buf_count ) ++count;
+	}
+
+	DRM_DEBUG( "count = %d\n", count );
+
+	if ( request.count >= count ) {
+		for ( i = 0, count = 0 ; i < DRM_MAX_ORDER + 1 ; i++ ) {
+			if ( dma->bufs[i].buf_count ) {
+				drm_buf_desc_t *to = &request.list[count];
+				drm_buf_entry_t *from = &dma->bufs[i];
+				drm_freelist_t *list = &dma->bufs[i].freelist;
+				if ( DRM_OS_COPYTOUSR( &to->count,
+						   &from->buf_count,
+						   sizeof(from->buf_count) ) ||
+				     DRM_OS_COPYTOUSR( &to->size,
+						   &from->buf_size,
+						   sizeof(from->buf_size) ) ||
+				     DRM_OS_COPYTOUSR( &to->low_mark,
+						   &list->low_mark,
+						   sizeof(list->low_mark) ) ||
+				     DRM_OS_COPYTOUSR( &to->high_mark,
+						   &list->high_mark,
+						   sizeof(list->high_mark) ) )
+					DRM_OS_RETURN(EFAULT);
+
+				DRM_DEBUG( "%d %d %d %d %d\n",
+					   i,
+					   dma->bufs[i].buf_count,
+					   dma->bufs[i].buf_size,
+					   dma->bufs[i].freelist.low_mark,
+					   dma->bufs[i].freelist.high_mark );
+				++count;
+			}
+		}
+	}
+	request.count = count;
+
+	DRM_OS_KRNTOUSR( (drm_buf_info_t *)data, request, sizeof(request) );
+
+	return 0;
+}
+
+int DRM(markbufs)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_device_dma_t *dma = dev->dma;
+	drm_buf_desc_t request;
+	int order;
+	drm_buf_entry_t *entry;
+
+	if ( !dma ) DRM_OS_RETURN(EINVAL);
+
+	DRM_OS_KRNFROMUSR( request, (drm_buf_desc_t *)data, sizeof(request) );
+
+	DRM_DEBUG( "%d, %d, %d\n",
+		   request.size, request.low_mark, request.high_mark );
+	order = DRM(order)( request.size );
+	if ( order < DRM_MIN_ORDER || order > DRM_MAX_ORDER ) 
+		DRM_OS_RETURN(EINVAL);
+	entry = &dma->bufs[order];
+
+	if ( request.low_mark < 0 || request.low_mark > entry->buf_count )
+		DRM_OS_RETURN(EINVAL);
+	if ( request.high_mark < 0 || request.high_mark > entry->buf_count )
+		DRM_OS_RETURN(EINVAL);
+
+	entry->freelist.low_mark  = request.low_mark;
+	entry->freelist.high_mark = request.high_mark;
+
+	return 0;
+}
+
+int DRM(freebufs)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_device_dma_t *dma = dev->dma;
+	drm_buf_free_t request;
+	int i;
+	int idx;
+	drm_buf_t *buf;
+
+	if ( !dma ) DRM_OS_RETURN(EINVAL);
+
+	DRM_OS_KRNFROMUSR( request, (drm_buf_free_t *)data, sizeof(request) );
+
+	DRM_DEBUG( "%d\n", request.count );
+	for ( i = 0 ; i < request.count ; i++ ) {
+		if ( DRM_OS_COPYFROMUSR( &idx,
+				     &request.list[i],
+				     sizeof(idx) ) )
+			DRM_OS_RETURN(EFAULT);
+		if ( idx < 0 || idx >= dma->buf_count ) {
+			DRM_ERROR( "Index %d (of %d max)\n",
+				   idx, dma->buf_count - 1 );
+			DRM_OS_RETURN(EINVAL);
+		}
+		buf = dma->buflist[idx];
+		if ( buf->pid != DRM_OS_CURRENTPID ) {
+			DRM_ERROR( "Process %d freeing buffer owned by %d\n",
+				   DRM_OS_CURRENTPID, buf->pid );
+			DRM_OS_RETURN(EINVAL);
+		}
+		DRM(free_buffer)( dev, buf );
+	}
+
+	return 0;
+}
+
+int DRM(mapbufs)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_device_dma_t *dma = dev->dma;
+	int retcode = 0;
+	const int zero = 0;
+	vm_offset_t virtual, address;
+#if __FreeBSD_version >= 500000
+	struct vmspace *vms = p->td_proc->p_vmspace;
+#else
+	struct vmspace *vms = p->p_vmspace;
+#endif
+	drm_buf_map_t request;
+	int i;
+
+	if ( !dma ) DRM_OS_RETURN(EINVAL);
+
+	DRM_OS_SPINLOCK( &dev->count_lock );
+	if ( atomic_read( &dev->buf_alloc ) ) {
+		DRM_OS_SPINUNLOCK( &dev->count_lock );
+		DRM_OS_RETURN(EBUSY);
+	}
+	dev->buf_use++;		/* Can't allocate more after this call */
+	DRM_OS_SPINUNLOCK( &dev->count_lock );
+
+	DRM_OS_KRNFROMUSR( request, (drm_buf_map_t *)data, sizeof(request) );
+
+	if ( request.count >= dma->buf_count ) {
+		if ( (__HAVE_AGP && (dma->flags & _DRM_DMA_USE_AGP)) ||
+		     (__HAVE_SG && (dma->flags & _DRM_DMA_USE_SG)) ) {
+			drm_map_t *map = DRIVER_AGP_BUFFERS_MAP( dev );
+
+			if ( !map ) {
+				retcode = EINVAL;
+				goto done;
+			}
+
+			virtual = round_page((vm_offset_t)vms->vm_daddr + MAXDSIZ);
+			retcode = vm_mmap(&vms->vm_map,
+					  &virtual,
+					  round_page(map->size),
+					  PROT_READ|PROT_WRITE, VM_PROT_ALL,
+					  MAP_SHARED,
+					  SLIST_FIRST(&kdev->si_hlist),
+					  (unsigned long)map->offset );
+		} else {
+			virtual = round_page((vm_offset_t)vms->vm_daddr + MAXDSIZ);
+			retcode = vm_mmap(&vms->vm_map,
+					  &virtual,
+					  round_page(dma->byte_count),
+					  PROT_READ|PROT_WRITE, VM_PROT_ALL,
+					  MAP_SHARED,
+					  SLIST_FIRST(&kdev->si_hlist),
+					  0);
+		}
+		if (retcode)
+			goto done;
+		request.virtual = (void *)virtual;
+
+		for ( i = 0 ; i < dma->buf_count ; i++ ) {
+			if ( DRM_OS_COPYTOUSR( &request.list[i].idx,
+					   &dma->buflist[i]->idx,
+					   sizeof(request.list[0].idx) ) ) {
+				retcode = EFAULT;
+				goto done;
+			}
+			if ( DRM_OS_COPYTOUSR( &request.list[i].total,
+					   &dma->buflist[i]->total,
+					   sizeof(request.list[0].total) ) ) {
+				retcode = EFAULT;
+				goto done;
+			}
+			if ( DRM_OS_COPYTOUSR( &request.list[i].used,
+					   &zero,
+					   sizeof(zero) ) ) {
+				retcode = EFAULT;
+				goto done;
+			}
+			address = virtual + dma->buflist[i]->offset; /* *** */
+			if ( DRM_OS_COPYTOUSR( &request.list[i].address,
+					   &address,
+					   sizeof(address) ) ) {
+				retcode = EFAULT;
+				goto done;
+			}
+		}
+	}
+ done:
+	request.count = dma->buf_count;
+
+	DRM_DEBUG( "%d buffers, retcode = %d\n", request.count, retcode );
+
+	DRM_OS_KRNTOUSR( (drm_buf_map_t *)data, request, sizeof(request) );
+
+	DRM_OS_RETURN(retcode);
+}
+
+#endif /* __HAVE_DMA */
+
diff --git a/bsd-core/drm_context.c b/bsd-core/drm_context.c
new file mode 100644
index 00000000..8d676a23
--- /dev/null
+++ b/bsd-core/drm_context.c
@@ -0,0 +1,730 @@
+/* drm_context.h -- IOCTLs for generic contexts -*- linux-c -*-
+ * Created: Fri Nov 24 18:31:37 2000 by gareth@valinux.com
+ *
+ * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Rickard E. (Rik) Faith <faith@valinux.com>
+ *    Gareth Hughes <gareth@valinux.com>
+ */
+
+#define __NO_VERSION__
+#include "drmP.h"
+
+#if __HAVE_CTX_BITMAP
+
+/* ================================================================
+ * Context bitmap support
+ */
+
+void DRM(ctxbitmap_free)( drm_device_t *dev, int ctx_handle )
+{
+	if ( ctx_handle < 0 ) goto failed;
+	if ( !dev->ctx_bitmap ) goto failed;
+
+	if ( ctx_handle < DRM_MAX_CTXBITMAP ) {
+		DRM_OS_LOCK;
+		clear_bit( ctx_handle, dev->ctx_bitmap );
+		dev->context_sareas[ctx_handle] = NULL;
+		DRM_OS_UNLOCK;
+		return;
+	}
+failed:
+       	DRM_ERROR( "Attempt to free invalid context handle: %d\n",
+		   ctx_handle );
+       	return;
+}
+
+int DRM(ctxbitmap_next)( drm_device_t *dev )
+{
+	int bit;
+
+	if(!dev->ctx_bitmap) return -1;
+
+	DRM_OS_LOCK;
+	bit = find_first_zero_bit( dev->ctx_bitmap, DRM_MAX_CTXBITMAP );
+	if ( bit < DRM_MAX_CTXBITMAP ) {
+		set_bit( bit, dev->ctx_bitmap );
+	   	DRM_DEBUG( "drm_ctxbitmap_next bit : %d\n", bit );
+		if((bit+1) > dev->max_context) {
+			dev->max_context = (bit+1);
+			if(dev->context_sareas) {
+				drm_map_t **ctx_sareas;
+
+				ctx_sareas = DRM(realloc)(dev->context_sareas,
+						(dev->max_context - 1) * 
+						sizeof(*dev->context_sareas),
+						dev->max_context * 
+						sizeof(*dev->context_sareas),
+						DRM_MEM_MAPS);
+				if(!ctx_sareas) {
+					clear_bit(bit, dev->ctx_bitmap);
+					DRM_OS_UNLOCK;
+					return -1;
+				}
+				dev->context_sareas = ctx_sareas;
+				dev->context_sareas[bit] = NULL;
+			} else {
+				/* max_context == 1 at this point */
+				dev->context_sareas = DRM(alloc)(
+						dev->max_context * 
+						sizeof(*dev->context_sareas),
+						DRM_MEM_MAPS);
+				if(!dev->context_sareas) {
+					clear_bit(bit, dev->ctx_bitmap);
+					DRM_OS_UNLOCK;
+					return -1;
+				}
+				dev->context_sareas[bit] = NULL;
+			}
+		}
+		DRM_OS_UNLOCK;
+		return bit;
+	}
+	DRM_OS_UNLOCK;
+	return -1;
+}
+
+int DRM(ctxbitmap_init)( drm_device_t *dev )
+{
+	int i;
+   	int temp;
+
+	DRM_OS_LOCK;
+	dev->ctx_bitmap = (unsigned long *) DRM(alloc)( PAGE_SIZE,
+							DRM_MEM_CTXBITMAP );
+	if ( dev->ctx_bitmap == NULL ) {
+		DRM_OS_UNLOCK;
+		DRM_OS_RETURN(ENOMEM);
+	}
+	memset( (void *)dev->ctx_bitmap, 0, PAGE_SIZE );
+	dev->context_sareas = NULL;
+	dev->max_context = -1;
+	DRM_OS_UNLOCK;
+
+	for ( i = 0 ; i < DRM_RESERVED_CONTEXTS ; i++ ) {
+		temp = DRM(ctxbitmap_next)( dev );
+	   	DRM_DEBUG( "drm_ctxbitmap_init : %d\n", temp );
+	}
+
+	return 0;
+}
+
+void DRM(ctxbitmap_cleanup)( drm_device_t *dev )
+{
+	DRM_OS_LOCK;
+	if( dev->context_sareas ) DRM(free)( dev->context_sareas,
+					     sizeof(*dev->context_sareas) * 
+					     dev->max_context,
+					     DRM_MEM_MAPS );
+	DRM(free)( (void *)dev->ctx_bitmap, PAGE_SIZE, DRM_MEM_CTXBITMAP );
+	DRM_OS_UNLOCK;
+}
+
+/* ================================================================
+ * Per Context SAREA Support
+ */
+
+int DRM(getsareactx)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_ctx_priv_map_t request;
+	drm_map_t *map;
+
+	DRM_OS_KRNFROMUSR( request, (drm_ctx_priv_map_t *)data, 
+			   sizeof(request) );
+
+	DRM_OS_LOCK;
+	if (dev->max_context < 0 || request.ctx_id >= (unsigned) dev->max_context) {
+		DRM_OS_UNLOCK;
+		DRM_OS_RETURN(EINVAL);
+	}
+
+	map = dev->context_sareas[request.ctx_id];
+	DRM_OS_UNLOCK;
+
+	request.handle = map->handle;
+
+	DRM_OS_KRNTOUSR( (drm_ctx_priv_map_t *)data, request, sizeof(request) );
+
+	return 0;
+}
+
+int DRM(setsareactx)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_ctx_priv_map_t request;
+	drm_map_t *map = NULL;
+	drm_map_list_entry_t *list;
+
+	DRM_OS_KRNFROMUSR( request, (drm_ctx_priv_map_t *)data,
+			   sizeof(request) );
+
+	DRM_OS_LOCK;
+	TAILQ_FOREACH(list, dev->maplist, link) {
+		map=list->map;
+		if(map->handle == request.handle) 
+			goto found;
+	}
+
+bad:
+	DRM_OS_UNLOCK;
+	return -EINVAL;
+
+found:
+	map = list->map;
+	if (!map) goto bad;
+	if (dev->max_context < 0)
+		goto bad;
+	if (request.ctx_id >= (unsigned) dev->max_context)
+		goto bad;
+	dev->context_sareas[request.ctx_id] = map;
+	DRM_OS_UNLOCK;
+	return 0;
+}
+
+/* ================================================================
+ * The actual DRM context handling routines
+ */
+
+int DRM(context_switch)( drm_device_t *dev, int old, int new )
+{
+        char buf[64];
+
+        if ( test_and_set_bit( 0, &dev->context_flag ) ) {
+                DRM_ERROR( "Reentering -- FIXME\n" );
+                DRM_OS_RETURN(EBUSY);
+        }
+
+#if __HAVE_DMA_HISTOGRAM
+        dev->ctx_start = get_cycles();
+#endif
+
+        DRM_DEBUG( "Context switch from %d to %d\n", old, new );
+
+        if ( new == dev->last_context ) {
+                clear_bit( 0, &dev->context_flag );
+                return 0;
+        }
+
+        if ( DRM(flags) & DRM_FLAG_NOCTX ) {
+                DRM(context_switch_complete)( dev, new );
+        } else {
+                sprintf( buf, "C %d %d\n", old, new );
+                DRM(write_string)( dev, buf );
+        }
+
+        return 0;
+}
+
+int DRM(context_switch_complete)( drm_device_t *dev, int new )
+{
+        dev->last_context = new;  /* PRE/POST: This is the _only_ writer. */
+        dev->last_switch  = jiffies;
+
+        if ( !_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) ) {
+                DRM_ERROR( "Lock isn't held after context switch\n" );
+        }
+
+				/* If a context switch is ever initiated
+                                   when the kernel holds the lock, release
+                                   that lock here. */
+#if __HAVE_DMA_HISTOGRAM
+        atomic_inc( &dev->histo.ctx[DRM(histogram_slot)(get_cycles()
+							- dev->ctx_start)] );
+
+#endif
+        clear_bit( 0, &dev->context_flag );
+        DRM_OS_WAKEUP( &dev->context_wait );
+
+        return 0;
+}
+
+int DRM(resctx)( DRM_OS_IOCTL )
+{
+	drm_ctx_res_t res;
+	drm_ctx_t ctx;
+	int i;
+
+	DRM_OS_KRNFROMUSR( res, (drm_ctx_res_t *)data, sizeof(res) );
+
+	if ( res.count >= DRM_RESERVED_CONTEXTS ) {
+		memset( &ctx, 0, sizeof(ctx) );
+		for ( i = 0 ; i < DRM_RESERVED_CONTEXTS ; i++ ) {
+			ctx.handle = i;
+			if ( DRM_OS_COPYTOUSR( &res.contexts[i],
+					   &i, sizeof(i) ) )
+				DRM_OS_RETURN(EFAULT);
+		}
+	}
+	res.count = DRM_RESERVED_CONTEXTS;
+
+	DRM_OS_KRNTOUSR( (drm_ctx_res_t *)data, res, sizeof(res) );
+
+	return 0;
+}
+
+int DRM(addctx)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_ctx_t ctx;
+
+	DRM_OS_KRNFROMUSR( ctx, (drm_ctx_t *)data, sizeof(ctx) );
+
+	ctx.handle = DRM(ctxbitmap_next)( dev );
+	if ( ctx.handle == DRM_KERNEL_CONTEXT ) {
+				/* Skip kernel's context and get a new one. */
+		ctx.handle = DRM(ctxbitmap_next)( dev );
+	}
+	DRM_DEBUG( "%d\n", ctx.handle );
+	if ( ctx.handle == -1 ) {
+		DRM_DEBUG( "Not enough free contexts.\n" );
+				/* Should this return -EBUSY instead? */
+		DRM_OS_RETURN(ENOMEM);
+	}
+
+	DRM_OS_KRNTOUSR( (drm_ctx_t *)data, ctx, sizeof(ctx) );
+
+	return 0;
+}
+
+int DRM(modctx)( DRM_OS_IOCTL )
+{
+	/* This does nothing */
+	return 0;
+}
+
+int DRM(getctx)( DRM_OS_IOCTL )
+{
+	drm_ctx_t ctx;
+
+	DRM_OS_KRNFROMUSR( ctx, (drm_ctx_t *)data, sizeof(ctx) );
+
+	/* This is 0, because we don't handle any context flags */
+	ctx.flags = 0;
+
+	DRM_OS_KRNTOUSR( (drm_ctx_t *)data, ctx, sizeof(ctx) );
+
+	return 0;
+}
+
+int DRM(switchctx)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_ctx_t ctx;
+
+	DRM_OS_KRNFROMUSR( ctx, (drm_ctx_t *)data, sizeof(ctx) );
+
+	DRM_DEBUG( "%d\n", ctx.handle );
+	return DRM(context_switch)( dev, dev->last_context, ctx.handle );
+}
+
+int DRM(newctx)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_ctx_t ctx;
+
+	DRM_OS_KRNFROMUSR( ctx, (drm_ctx_t *)data, sizeof(ctx) );
+
+	DRM_DEBUG( "%d\n", ctx.handle );
+	DRM(context_switch_complete)( dev, ctx.handle );
+
+	return 0;
+}
+
+int DRM(rmctx)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_ctx_t ctx;
+
+	DRM_OS_KRNFROMUSR( ctx, (drm_ctx_t *)data, sizeof(ctx) );
+
+	DRM_DEBUG( "%d\n", ctx.handle );
+	if ( ctx.handle != DRM_KERNEL_CONTEXT ) {
+		DRM(ctxbitmap_free)( dev, ctx.handle );
+	}
+
+	return 0;
+}
+
+
+#else /* __HAVE_CTX_BITMAP */
+
+/* ================================================================
+ * Old-style context support
+ */
+
+
+int DRM(context_switch)(drm_device_t *dev, int old, int new)
+{
+	char	    buf[64];
+	drm_queue_t *q;
+
+#if 0
+	atomic_inc(&dev->total_ctx);
+#endif
+
+	if (test_and_set_bit(0, &dev->context_flag)) {
+		DRM_ERROR("Reentering -- FIXME\n");
+		DRM_OS_RETURN(EBUSY);
+	}
+
+#if __HAVE_DMA_HISTOGRAM
+	dev->ctx_start = get_cycles();
+#endif
+
+	DRM_DEBUG("Context switch from %d to %d\n", old, new);
+
+	if (new >= dev->queue_count) {
+		clear_bit(0, &dev->context_flag);
+		DRM_OS_RETURN(EINVAL);
+	}
+
+	if (new == dev->last_context) {
+		clear_bit(0, &dev->context_flag);
+		return 0;
+	}
+
+	q = dev->queuelist[new];
+	atomic_inc(&q->use_count);
+	if (atomic_read(&q->use_count) == 1) {
+		atomic_dec(&q->use_count);
+		clear_bit(0, &dev->context_flag);
+		DRM_OS_RETURN(EINVAL);
+	}
+
+	if (DRM(flags) & DRM_FLAG_NOCTX) {
+		DRM(context_switch_complete)(dev, new);
+	} else {
+		sprintf(buf, "C %d %d\n", old, new);
+		DRM(write_string)(dev, buf);
+	}
+
+	atomic_dec(&q->use_count);
+
+	return 0;
+}
+
+int DRM(context_switch_complete)(drm_device_t *dev, int new)
+{
+	drm_device_dma_t *dma = dev->dma;
+
+	dev->last_context = new;  /* PRE/POST: This is the _only_ writer. */
+	dev->last_switch  = jiffies;
+
+	if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
+		DRM_ERROR("Lock isn't held after context switch\n");
+	}
+
+	if (!dma || !(dma->next_buffer && dma->next_buffer->while_locked)) {
+		if (DRM(lock_free)(dev, &dev->lock.hw_lock->lock,
+				  DRM_KERNEL_CONTEXT)) {
+			DRM_ERROR("Cannot free lock\n");
+		}
+	}
+
+#if __HAVE_DMA_HISTOGRAM
+	atomic_inc(&dev->histo.ctx[DRM(histogram_slot)(get_cycles()
+						      - dev->ctx_start)]);
+
+#endif
+	clear_bit(0, &dev->context_flag);
+	DRM_OS_WAKEUP_INT(&dev->context_wait);
+
+	return 0;
+}
+
+static int DRM(init_queue)(drm_device_t *dev, drm_queue_t *q, drm_ctx_t *ctx)
+{
+	DRM_DEBUG("\n");
+
+	if (atomic_read(&q->use_count) != 1
+	    || atomic_read(&q->finalization)
+	    || atomic_read(&q->block_count)) {
+		DRM_ERROR("New queue is already in use: u%ld f%ld b%ld\n",
+			  (unsigned long)atomic_read(&q->use_count),
+			  (unsigned long)atomic_read(&q->finalization),
+			  (unsigned long)atomic_read(&q->block_count));
+	}
+
+	atomic_set(&q->finalization,  0);
+	atomic_set(&q->block_count,   0);
+	atomic_set(&q->block_read,    0);
+	atomic_set(&q->block_write,   0);
+	atomic_set(&q->total_queued,  0);
+	atomic_set(&q->total_flushed, 0);
+	atomic_set(&q->total_locks,   0);
+
+	q->write_queue = 0;
+	q->read_queue = 0;
+	q->flush_queue = 0;
+
+	q->flags = ctx->flags;
+
+	DRM(waitlist_create)(&q->waitlist, dev->dma->buf_count);
+
+	return 0;
+}
+
+
+/* drm_alloc_queue:
+PRE: 1) dev->queuelist[0..dev->queue_count] is allocated and will not
+	disappear (so all deallocation must be done after IOCTLs are off)
+     2) dev->queue_count < dev->queue_slots
+     3) dev->queuelist[i].use_count == 0 and
+	dev->queuelist[i].finalization == 0 if i not in use
+POST: 1) dev->queuelist[i].use_count == 1
+      2) dev->queue_count < dev->queue_slots */
+
+static int DRM(alloc_queue)(drm_device_t *dev)
+{
+	int	    i;
+	drm_queue_t *queue;
+	int	    oldslots;
+	int	    newslots;
+				/* Check for a free queue */
+	for (i = 0; i < dev->queue_count; i++) {
+		atomic_inc(&dev->queuelist[i]->use_count);
+		if (atomic_read(&dev->queuelist[i]->use_count) == 1
+		    && !atomic_read(&dev->queuelist[i]->finalization)) {
+			DRM_DEBUG("%d (free)\n", i);
+			return i;
+		}
+		atomic_dec(&dev->queuelist[i]->use_count);
+	}
+				/* Allocate a new queue */
+	DRM_OS_LOCK;
+
+	queue = gamma_alloc(sizeof(*queue), DRM_MEM_QUEUES);
+	memset(queue, 0, sizeof(*queue));
+	atomic_set(&queue->use_count, 1);
+
+	++dev->queue_count;
+	if (dev->queue_count >= dev->queue_slots) {
+		oldslots = dev->queue_slots * sizeof(*dev->queuelist);
+		if (!dev->queue_slots) dev->queue_slots = 1;
+		dev->queue_slots *= 2;
+		newslots = dev->queue_slots * sizeof(*dev->queuelist);
+
+		dev->queuelist = DRM(realloc)(dev->queuelist,
+					      oldslots,
+					      newslots,
+					      DRM_MEM_QUEUES);
+		if (!dev->queuelist) {
+			DRM_OS_UNLOCK;
+			DRM_DEBUG("out of memory\n");
+			DRM_OS_RETURN(ENOMEM);
+		}
+	}
+	dev->queuelist[dev->queue_count-1] = queue;
+
+	DRM_OS_UNLOCK;
+	DRM_DEBUG("%d (new)\n", dev->queue_count - 1);
+	return dev->queue_count - 1;
+}
+
+int DRM(resctx)( DRM_OS_IOCTL )
+{
+	drm_ctx_res_t	res;
+	drm_ctx_t	ctx;
+	int		i;
+
+	DRM_DEBUG("%d\n", DRM_RESERVED_CONTEXTS);
+	
+	DRM_OS_KRNFROMUSR( res, (drm_ctx_res_t *)data, sizeof(res) );
+
+	if (res.count >= DRM_RESERVED_CONTEXTS) {
+		memset(&ctx, 0, sizeof(ctx));
+		for (i = 0; i < DRM_RESERVED_CONTEXTS; i++) {
+			ctx.handle = i;
+			if (DRM_OS_COPYTOUSR(&res.contexts[i],
+					 &i,
+					 sizeof(i)))
+				DRM_OS_RETURN(EFAULT);
+		}
+	}
+	res.count = DRM_RESERVED_CONTEXTS;
+
+	DRM_OS_KRNTOUSR( (drm_ctx_res_t *)data, res, sizeof(res) );
+
+	return 0;
+}
+
+int DRM(addctx)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_ctx_t	ctx;
+
+	DRM_OS_KRNFROMUSR( ctx, (drm_ctx_t *)data, sizeof(ctx) );
+
+	if ((ctx.handle = DRM(alloc_queue)(dev)) == DRM_KERNEL_CONTEXT) {
+				/* Init kernel's context and get a new one. */
+		DRM(init_queue)(dev, dev->queuelist[ctx.handle], &ctx);
+		ctx.handle = DRM(alloc_queue)(dev);
+	}
+	DRM(init_queue)(dev, dev->queuelist[ctx.handle], &ctx);
+	DRM_DEBUG("%d\n", ctx.handle);
+	
+	DRM_OS_KRNTOUSR( (drm_ctx_t *)data, ctx, sizeof(ctx) );
+
+	return 0;
+}
+
+int DRM(modctx)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_ctx_t	ctx;
+	drm_queue_t	*q;
+
+	DRM_OS_KRNFROMUSR( ctx, (drm_ctx_t *)data, sizeof(ctx) );
+
+	DRM_DEBUG("%d\n", ctx.handle);
+
+	if (ctx.handle < 0 || ctx.handle >= dev->queue_count) 
+		DRM_OS_RETURN(EINVAL);
+	q = dev->queuelist[ctx.handle];
+
+	atomic_inc(&q->use_count);
+	if (atomic_read(&q->use_count) == 1) {
+				/* No longer in use */
+		atomic_dec(&q->use_count);
+		DRM_OS_RETURN(EINVAL);
+	}
+
+	if (DRM_BUFCOUNT(&q->waitlist)) {
+		atomic_dec(&q->use_count);
+		DRM_OS_RETURN(EBUSY);
+	}
+
+	q->flags = ctx.flags;
+
+	atomic_dec(&q->use_count);
+	return 0;
+}
+
+int DRM(getctx)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_ctx_t	ctx;
+	drm_queue_t	*q;
+
+	DRM_OS_KRNFROMUSR( ctx, (drm_ctx_t *)data, sizeof(ctx) );
+
+	DRM_DEBUG("%d\n", ctx.handle);
+
+	if (ctx.handle >= dev->queue_count) 
+		DRM_OS_RETURN(EINVAL);
+	q = dev->queuelist[ctx.handle];
+
+	atomic_inc(&q->use_count);
+	if (atomic_read(&q->use_count) == 1) {
+				/* No longer in use */
+		atomic_dec(&q->use_count);
+		DRM_OS_RETURN(EINVAL);
+	}
+
+	ctx.flags = q->flags;
+	atomic_dec(&q->use_count);
+
+	DRM_OS_KRNTOUSR( (drm_ctx_t *)data, ctx, sizeof(ctx) );
+
+	return 0;
+}
+
+int DRM(switchctx)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_ctx_t	ctx;
+
+	DRM_OS_KRNFROMUSR( ctx, (drm_ctx_t *)data, sizeof(ctx) );
+
+	DRM_DEBUG("%d\n", ctx.handle);
+	return DRM(context_switch)(dev, dev->last_context, ctx.handle);
+}
+
+int DRM(newctx)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_ctx_t	ctx;
+
+	DRM_OS_KRNFROMUSR( ctx, (drm_ctx_t *)data, sizeof(ctx) );
+
+	DRM_DEBUG("%d\n", ctx.handle);
+	DRM(context_switch_complete)(dev, ctx.handle);
+
+	return 0;
+}
+
+int DRM(rmctx)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_ctx_t	ctx;
+	drm_queue_t	*q;
+	drm_buf_t	*buf;
+
+	DRM_OS_KRNFROMUSR( ctx, (drm_ctx_t *)data, sizeof(ctx) );
+
+	DRM_DEBUG("%d\n", ctx.handle);
+
+	if (ctx.handle >= dev->queue_count) DRM_OS_RETURN(EINVAL);
+	q = dev->queuelist[ctx.handle];
+
+	atomic_inc(&q->use_count);
+	if (atomic_read(&q->use_count) == 1) {
+				/* No longer in use */
+		atomic_dec(&q->use_count);
+		DRM_OS_RETURN(EINVAL);
+	}
+
+	atomic_inc(&q->finalization); /* Mark queue in finalization state */
+	atomic_sub(2, &q->use_count); /* Mark queue as unused (pending
+					 finalization) */
+
+	while (test_and_set_bit(0, &dev->interrupt_flag)) {
+		static int never;
+		int retcode;
+		retcode = tsleep(&never, PZERO|PCATCH, "never", 1);
+		if (retcode)
+			return retcode;
+	}
+				/* Remove queued buffers */
+	while ((buf = DRM(waitlist_get)(&q->waitlist))) {
+		DRM(free_buffer)(dev, buf);
+	}
+	clear_bit(0, &dev->interrupt_flag);
+
+				/* Wakeup blocked processes */
+	wakeup( &q->block_read );
+	wakeup( &q->block_write );
+	DRM_OS_WAKEUP_INT( &q->flush_queue );
+				/* Finalization over.  Queue is made
+				   available when both use_count and
+				   finalization become 0, which won't
+				   happen until all the waiting processes
+				   stop waiting. */
+	atomic_dec(&q->finalization);
+	return 0;
+}
+
+#endif /* __HAVE_CTX_BITMAP */
diff --git a/bsd-core/drm_dma.c b/bsd-core/drm_dma.c
new file mode 100644
index 00000000..e5aef241
--- /dev/null
+++ b/bsd-core/drm_dma.c
@@ -0,0 +1,605 @@
+/* drm_dma.c -- DMA IOCTL and function support -*- linux-c -*-
+ * Created: Fri Mar 19 14:30:16 1999 by faith@valinux.com
+ *
+ * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Rickard E. (Rik) Faith <faith@valinux.com>
+ *    Gareth Hughes <gareth@valinux.com>
+ */
+
+#include <machine/bus.h>
+#include <machine/resource.h>
+#include <sys/rman.h>
+
+#include "drmP.h"
+
+#ifndef __HAVE_DMA_WAITQUEUE
+#define __HAVE_DMA_WAITQUEUE	0
+#endif
+#ifndef __HAVE_DMA_RECLAIM
+#define __HAVE_DMA_RECLAIM	0
+#endif
+#ifndef __HAVE_SHARED_IRQ
+#define __HAVE_SHARED_IRQ	0
+#endif
+
+#if __HAVE_SHARED_IRQ
+#define DRM_IRQ_TYPE		SA_SHIRQ
+#else
+#define DRM_IRQ_TYPE		0
+#endif
+
+#if __HAVE_DMA
+
+int DRM(dma_setup)( drm_device_t *dev )
+{
+	int i;
+
+	dev->dma = DRM(alloc)( sizeof(*dev->dma), DRM_MEM_DRIVER );
+	if ( !dev->dma )
+		DRM_OS_RETURN(ENOMEM);
+
+	memset( dev->dma, 0, sizeof(*dev->dma) );
+
+	for ( i = 0 ; i <= DRM_MAX_ORDER ; i++ )
+		memset(&dev->dma->bufs[i], 0, sizeof(dev->dma->bufs[0]));
+
+	return 0;
+}
+
+void DRM(dma_takedown)(drm_device_t *dev)
+{
+	drm_device_dma_t  *dma = dev->dma;
+	int		  i, j;
+
+	if (!dma) return;
+
+				/* Clear dma buffers */
+	for (i = 0; i <= DRM_MAX_ORDER; i++) {
+		if (dma->bufs[i].seg_count) {
+			DRM_DEBUG("order %d: buf_count = %d,"
+				  " seg_count = %d\n",
+				  i,
+				  dma->bufs[i].buf_count,
+				  dma->bufs[i].seg_count);
+			for (j = 0; j < dma->bufs[i].seg_count; j++) {
+				DRM(free_pages)(dma->bufs[i].seglist[j],
+						dma->bufs[i].page_order,
+						DRM_MEM_DMA);
+			}
+			DRM(free)(dma->bufs[i].seglist,
+				  dma->bufs[i].seg_count
+				  * sizeof(*dma->bufs[0].seglist),
+				  DRM_MEM_SEGS);
+		}
+	   	if(dma->bufs[i].buf_count) {
+		   	for(j = 0; j < dma->bufs[i].buf_count; j++) {
+			   if(dma->bufs[i].buflist[j].dev_private) {
+			      DRM(free)(dma->bufs[i].buflist[j].dev_private,
+					dma->bufs[i].buflist[j].dev_priv_size,
+					DRM_MEM_BUFS);
+			   }
+			}
+		   	DRM(free)(dma->bufs[i].buflist,
+				  dma->bufs[i].buf_count *
+				  sizeof(*dma->bufs[0].buflist),
+				  DRM_MEM_BUFS);
+#if __HAVE_DMA_FREELIST
+		   	DRM(freelist_destroy)(&dma->bufs[i].freelist);
+#endif
+		}
+	}
+
+	if (dma->buflist) {
+		DRM(free)(dma->buflist,
+			  dma->buf_count * sizeof(*dma->buflist),
+			  DRM_MEM_BUFS);
+	}
+
+	if (dma->pagelist) {
+		DRM(free)(dma->pagelist,
+			  dma->page_count * sizeof(*dma->pagelist),
+			  DRM_MEM_PAGES);
+	}
+	DRM(free)(dev->dma, sizeof(*dev->dma), DRM_MEM_DRIVER);
+	dev->dma = NULL;
+}
+
+
+#if __HAVE_DMA_HISTOGRAM
+/* This is slow, but is useful for debugging. */
+int DRM(histogram_slot)(unsigned long count)
+{
+	int value = DRM_DMA_HISTOGRAM_INITIAL;
+	int slot;
+
+	for (slot = 0;
+	     slot < DRM_DMA_HISTOGRAM_SLOTS;
+	     ++slot, value = DRM_DMA_HISTOGRAM_NEXT(value)) {
+		if (count < value) return slot;
+	}
+	return DRM_DMA_HISTOGRAM_SLOTS - 1;
+}
+
+void DRM(histogram_compute)(drm_device_t *dev, drm_buf_t *buf)
+{
+	cycles_t queued_to_dispatched;
+	cycles_t dispatched_to_completed;
+	cycles_t completed_to_freed;
+	int	 q2d, d2c, c2f, q2c, q2f;
+
+	if (buf->time_queued) {
+		queued_to_dispatched	= (buf->time_dispatched
+					   - buf->time_queued);
+		dispatched_to_completed = (buf->time_completed
+					   - buf->time_dispatched);
+		completed_to_freed	= (buf->time_freed
+					   - buf->time_completed);
+
+		q2d = DRM(histogram_slot)(queued_to_dispatched);
+		d2c = DRM(histogram_slot)(dispatched_to_completed);
+		c2f = DRM(histogram_slot)(completed_to_freed);
+
+		q2c = DRM(histogram_slot)(queued_to_dispatched
+					  + dispatched_to_completed);
+		q2f = DRM(histogram_slot)(queued_to_dispatched
+					  + dispatched_to_completed
+					  + completed_to_freed);
+
+		atomic_inc(&dev->histo.total);
+		atomic_inc(&dev->histo.queued_to_dispatched[q2d]);
+		atomic_inc(&dev->histo.dispatched_to_completed[d2c]);
+		atomic_inc(&dev->histo.completed_to_freed[c2f]);
+
+		atomic_inc(&dev->histo.queued_to_completed[q2c]);
+		atomic_inc(&dev->histo.queued_to_freed[q2f]);
+
+	}
+	buf->time_queued     = 0;
+	buf->time_dispatched = 0;
+	buf->time_completed  = 0;
+	buf->time_freed	     = 0;
+}
+#endif
+
+void DRM(free_buffer)(drm_device_t *dev, drm_buf_t *buf)
+{
+	if (!buf) return;
+
+	buf->waiting  = 0;
+	buf->pending  = 0;
+	buf->pid      = 0;
+	buf->used     = 0;
+#if __HAVE_DMA_HISTOGRAM
+	buf->time_completed = get_cycles();
+#endif
+
+	if ( buf->dma_wait ) {
+		wakeup( &buf->dma_wait );
+		buf->dma_wait = 0;
+	}
+#if __HAVE_DMA_FREELIST
+	else {
+		drm_device_dma_t *dma = dev->dma;
+				/* If processes are waiting, the last one
+				   to wake will put the buffer on the free
+				   list.  If no processes are waiting, we
+				   put the buffer on the freelist here. */
+		DRM(freelist_put)(dev, &dma->bufs[buf->order].freelist, buf);
+	}
+#endif
+}
+
+#if !__HAVE_DMA_RECLAIM
+void DRM(reclaim_buffers)(drm_device_t *dev, pid_t pid)
+{
+	drm_device_dma_t *dma = dev->dma;
+	int		 i;
+
+	if (!dma) return;
+	for (i = 0; i < dma->buf_count; i++) {
+		if (dma->buflist[i]->pid == pid) {
+			switch (dma->buflist[i]->list) {
+			case DRM_LIST_NONE:
+				DRM(free_buffer)(dev, dma->buflist[i]);
+				break;
+			case DRM_LIST_WAIT:
+				dma->buflist[i]->list = DRM_LIST_RECLAIM;
+				break;
+			default:
+				/* Buffer already on hardware. */
+				break;
+			}
+		}
+	}
+}
+#endif
+
+
+/* GH: This is a big hack for now...
+ */
+#if __HAVE_OLD_DMA
+
+void DRM(clear_next_buffer)(drm_device_t *dev)
+{
+	drm_device_dma_t *dma = dev->dma;
+
+	dma->next_buffer = NULL;
+	if (dma->next_queue && !DRM_BUFCOUNT(&dma->next_queue->waitlist)) {
+		DRM_OS_WAKEUP_INT(&dma->next_queue->flush_queue);
+	}
+	dma->next_queue	 = NULL;
+}
+
+int DRM(select_queue)(drm_device_t *dev, void (*wrapper)(unsigned long))
+{
+	int	   i;
+	int	   candidate = -1;
+	int	   j	     = jiffies;
+
+	if (!dev) {
+		DRM_ERROR("No device\n");
+		return -1;
+	}
+	if (!dev->queuelist || !dev->queuelist[DRM_KERNEL_CONTEXT]) {
+				/* This only happens between the time the
+				   interrupt is initialized and the time
+				   the queues are initialized. */
+		return -1;
+	}
+
+				/* Doing "while locked" DMA? */
+	if (DRM_WAITCOUNT(dev, DRM_KERNEL_CONTEXT)) {
+		return DRM_KERNEL_CONTEXT;
+	}
+
+				/* If there are buffers on the last_context
+				   queue, and we have not been executing
+				   this context very long, continue to
+				   execute this context. */
+	if (dev->last_switch <= j
+	    && dev->last_switch + DRM_TIME_SLICE > j
+	    && DRM_WAITCOUNT(dev, dev->last_context)) {
+		return dev->last_context;
+	}
+
+				/* Otherwise, find a candidate */
+	for (i = dev->last_checked + 1; i < dev->queue_count; i++) {
+		if (DRM_WAITCOUNT(dev, i)) {
+			candidate = dev->last_checked = i;
+			break;
+		}
+	}
+
+	if (candidate < 0) {
+		for (i = 0; i < dev->queue_count; i++) {
+			if (DRM_WAITCOUNT(dev, i)) {
+				candidate = dev->last_checked = i;
+				break;
+			}
+		}
+	}
+
+	if (wrapper
+	    && candidate >= 0
+	    && candidate != dev->last_context
+	    && dev->last_switch <= j
+	    && dev->last_switch + DRM_TIME_SLICE > j) {
+		int s = splclock();
+		if (dev->timer.c_time != dev->last_switch + DRM_TIME_SLICE) {
+			callout_reset(&dev->timer,
+				      dev->last_switch + DRM_TIME_SLICE - j,
+				      (void (*)(void *))wrapper,
+				      dev);
+		}
+		splx(s);
+		return -1;
+	}
+
+	return candidate;
+}
+
+
+int DRM(dma_enqueue)(drm_device_t *dev, drm_dma_t *d)
+{
+	int		  i;
+	drm_queue_t	  *q;
+	drm_buf_t	  *buf;
+	int		  idx;
+	int		  while_locked = 0;
+	drm_device_dma_t  *dma = dev->dma;
+	int		  error;
+
+	DRM_DEBUG("%d\n", d->send_count);
+
+	if (d->flags & _DRM_DMA_WHILE_LOCKED) {
+		int context = dev->lock.hw_lock->lock;
+
+		if (!_DRM_LOCK_IS_HELD(context)) {
+			DRM_ERROR("No lock held during \"while locked\""
+				  " request\n");
+			DRM_OS_RETURN(EINVAL);
+		}
+		if (d->context != _DRM_LOCKING_CONTEXT(context)
+		    && _DRM_LOCKING_CONTEXT(context) != DRM_KERNEL_CONTEXT) {
+			DRM_ERROR("Lock held by %d while %d makes"
+				  " \"while locked\" request\n",
+				  _DRM_LOCKING_CONTEXT(context),
+				  d->context);
+			DRM_OS_RETURN(EINVAL);
+		}
+		q = dev->queuelist[DRM_KERNEL_CONTEXT];
+		while_locked = 1;
+	} else {
+		q = dev->queuelist[d->context];
+	}
+
+
+	atomic_inc(&q->use_count);
+	if (atomic_read(&q->block_write)) {
+		atomic_inc(&q->block_count);
+		for (;;) {
+			if (!atomic_read(&q->block_write)) break;
+			error = tsleep(&q->block_write, PZERO|PCATCH,
+				       "dmawr", 0);
+			if (error) {
+				atomic_dec(&q->use_count);
+				return error;
+			}
+		}
+		atomic_dec(&q->block_count);
+	}
+
+	for (i = 0; i < d->send_count; i++) {
+		idx = d->send_indices[i];
+		if (idx < 0 || idx >= dma->buf_count) {
+			atomic_dec(&q->use_count);
+			DRM_ERROR("Index %d (of %d max)\n",
+				  d->send_indices[i], dma->buf_count - 1);
+			DRM_OS_RETURN(EINVAL);
+		}
+		buf = dma->buflist[ idx ];
+		if (buf->pid != DRM_OS_CURRENTPID) {
+			atomic_dec(&q->use_count);
+			DRM_ERROR("Process %d using buffer owned by %d\n",
+				  DRM_OS_CURRENTPID, buf->pid);
+			DRM_OS_RETURN(EINVAL);
+		}
+		if (buf->list != DRM_LIST_NONE) {
+			atomic_dec(&q->use_count);
+			DRM_ERROR("Process %d using buffer %d on list %d\n",
+				  DRM_OS_CURRENTPID, buf->idx, buf->list);
+		}
+		buf->used	  = d->send_sizes[i];
+		buf->while_locked = while_locked;
+		buf->context	  = d->context;
+		if (!buf->used) {
+			DRM_ERROR("Queueing 0 length buffer\n");
+		}
+		if (buf->pending) {
+			atomic_dec(&q->use_count);
+			DRM_ERROR("Queueing pending buffer:"
+				  " buffer %d, offset %d\n",
+				  d->send_indices[i], i);
+			DRM_OS_RETURN(EINVAL);
+		}
+		if (buf->waiting) {
+			atomic_dec(&q->use_count);
+			DRM_ERROR("Queueing waiting buffer:"
+				  " buffer %d, offset %d\n",
+				  d->send_indices[i], i);
+			DRM_OS_RETURN(EINVAL);
+		}
+		buf->waiting = 1;
+		if (atomic_read(&q->use_count) == 1
+		    || atomic_read(&q->finalization)) {
+			DRM(free_buffer)(dev, buf);
+		} else {
+			DRM(waitlist_put)(&q->waitlist, buf);
+			atomic_inc(&q->total_queued);
+		}
+	}
+	atomic_dec(&q->use_count);
+
+	return 0;
+}
+
+static int DRM(dma_get_buffers_of_order)(drm_device_t *dev, drm_dma_t *d,
+					 int order)
+{
+	int		  i;
+	drm_buf_t	  *buf;
+	drm_device_dma_t  *dma = dev->dma;
+
+	for (i = d->granted_count; i < d->request_count; i++) {
+		buf = DRM(freelist_get)(&dma->bufs[order].freelist,
+					d->flags & _DRM_DMA_WAIT);
+		if (!buf) break;
+		if (buf->pending || buf->waiting) {
+			DRM_ERROR("Free buffer %d in use by %d (w%d, p%d)\n",
+				  buf->idx,
+				  buf->pid,
+				  buf->waiting,
+				  buf->pending);
+		}
+		buf->pid     = DRM_OS_CURRENTPID;
+		if (DRM_OS_COPYTOUSR(&d->request_indices[i],
+				 &buf->idx,
+				 sizeof(buf->idx)))
+			DRM_OS_RETURN(EFAULT);
+
+		if (DRM_OS_COPYTOUSR(&d->request_sizes[i],
+				 &buf->total,
+				 sizeof(buf->total)))
+			DRM_OS_RETURN(EFAULT);
+
+		++d->granted_count;
+	}
+	return 0;
+}
+
+
+int DRM(dma_get_buffers)(drm_device_t *dev, drm_dma_t *dma)
+{
+	int		  order;
+	int		  retcode = 0;
+	int		  tmp_order;
+
+	order = DRM(order)(dma->request_size);
+
+	dma->granted_count = 0;
+	retcode		   = DRM(dma_get_buffers_of_order)(dev, dma, order);
+
+	if (dma->granted_count < dma->request_count
+	    && (dma->flags & _DRM_DMA_SMALLER_OK)) {
+		for (tmp_order = order - 1;
+		     !retcode
+			     && dma->granted_count < dma->request_count
+			     && tmp_order >= DRM_MIN_ORDER;
+		     --tmp_order) {
+
+			retcode = DRM(dma_get_buffers_of_order)(dev, dma,
+								tmp_order);
+		}
+	}
+
+	if (dma->granted_count < dma->request_count
+	    && (dma->flags & _DRM_DMA_LARGER_OK)) {
+		for (tmp_order = order + 1;
+		     !retcode
+			     && dma->granted_count < dma->request_count
+			     && tmp_order <= DRM_MAX_ORDER;
+		     ++tmp_order) {
+
+			retcode = DRM(dma_get_buffers_of_order)(dev, dma,
+								tmp_order);
+		}
+	}
+	return 0;
+}
+
+#endif /* __HAVE_OLD_DMA */
+
+
+#if __HAVE_DMA_IRQ
+
+int DRM(irq_install)( drm_device_t *dev, int irq )
+{
+	int rid;
+	int retcode;
+
+	if ( !irq )
+		DRM_OS_RETURN(EINVAL);
+
+	DRM_OS_LOCK;
+	if ( dev->irq ) {
+		DRM_OS_UNLOCK;
+		DRM_OS_RETURN(EBUSY);
+	}
+	dev->irq = irq;
+	DRM_OS_UNLOCK;
+
+	DRM_DEBUG( "%s: irq=%d\n", __FUNCTION__, irq );
+
+	dev->context_flag = 0;
+	dev->interrupt_flag = 0;
+	dev->dma_flag = 0;
+
+	dev->dma->next_buffer = NULL;
+	dev->dma->next_queue = NULL;
+	dev->dma->this_buffer = NULL;
+
+#if __HAVE_DMA_IRQ_BH
+	TASK_INIT(&dev->task, 0, DRM(dma_immediate_bh), dev);
+#endif
+
+				/* Before installing handler */
+	DRIVER_PREINSTALL();
+
+				/* Install handler */
+	rid = 0;
+	dev->irqr = bus_alloc_resource(dev->device, SYS_RES_IRQ, &rid,
+				      0, ~0, 1, RF_SHAREABLE);
+	if (!dev->irqr)
+		return ENOENT;
+	
+	retcode = bus_setup_intr(dev->device, dev->irqr, INTR_TYPE_TTY,
+				 DRM(dma_service), dev, &dev->irqh);
+	if ( retcode ) {
+		DRM_OS_LOCK;
+		bus_release_resource(dev->device, SYS_RES_IRQ, 0, dev->irqr);
+		dev->irq = 0;
+		DRM_OS_UNLOCK;
+		return retcode;
+	}
+
+				/* After installing handler */
+	DRIVER_POSTINSTALL();
+
+	return 0;
+}
+
+int DRM(irq_uninstall)( drm_device_t *dev )
+{
+	int irq;
+
+	DRM_OS_LOCK;
+	irq = dev->irq;
+	dev->irq = 0;
+	DRM_OS_UNLOCK;
+
+	if ( !irq )
+		DRM_OS_RETURN(EINVAL);
+
+	DRM_DEBUG( "%s: irq=%d\n", __FUNCTION__, irq );
+
+	DRIVER_UNINSTALL();
+
+	bus_teardown_intr(dev->device, dev->irqr, dev->irqh);
+	bus_release_resource(dev->device, SYS_RES_IRQ, 0, dev->irqr);
+	
+	return 0;
+}
+
+int DRM(control)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_control_t ctl;
+
+	DRM_OS_KRNFROMUSR( ctl, (drm_control_t *) data, sizeof(ctl) );
+
+	switch ( ctl.func ) {
+	case DRM_INST_HANDLER:
+		return DRM(irq_install)( dev, ctl.irq );
+	case DRM_UNINST_HANDLER:
+		return DRM(irq_uninstall)( dev );
+	default:
+		DRM_OS_RETURN(EINVAL);
+	}
+}
+
+#endif /* __HAVE_DMA_IRQ */
+
+#endif /* __HAVE_DMA */
diff --git a/bsd-core/drm_drawable.c b/bsd-core/drm_drawable.c
new file mode 100644
index 00000000..f57d8628
--- /dev/null
+++ b/bsd-core/drm_drawable.c
@@ -0,0 +1,50 @@
+/* drm_drawable.h -- IOCTLs for drawables -*- linux-c -*-
+ * Created: Tue Feb  2 08:37:54 1999 by faith@valinux.com
+ *
+ * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Rickard E. (Rik) Faith <faith@valinux.com>
+ *    Gareth Hughes <gareth@valinux.com>
+ */
+
+#define __NO_VERSION__
+#include "drmP.h"
+
+int DRM(adddraw)( DRM_OS_IOCTL )
+{
+	drm_draw_t draw;
+
+	draw.handle = 0;	/* NOOP */
+	DRM_DEBUG("%d\n", draw.handle);
+	
+	DRM_OS_KRNTOUSR( (drm_draw_t *)data, draw, sizeof(draw) );
+
+	return 0;
+}
+
+int DRM(rmdraw)( DRM_OS_IOCTL )
+{
+	return 0;		/* NOOP */
+}
diff --git a/bsd-core/drm_drv.c b/bsd-core/drm_drv.c
new file mode 100644
index 00000000..4e5d76fb
--- /dev/null
+++ b/bsd-core/drm_drv.c
@@ -0,0 +1,1160 @@
+/* drm_drv.h -- Generic driver template -*- linux-c -*-
+ * Created: Thu Nov 23 03:10:50 2000 by gareth@valinux.com
+ *
+ * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Rickard E. (Rik) Faith <faith@valinux.com>
+ *    Gareth Hughes <gareth@valinux.com>
+ */
+
+/*
+ * To use this template, you must at least define the following (samples
+ * given for the MGA driver):
+ *
+ * #define DRIVER_AUTHOR	"VA Linux Systems, Inc."
+ *
+ * #define DRIVER_NAME		"mga"
+ * #define DRIVER_DESC		"Matrox G200/G400"
+ * #define DRIVER_DATE		"20001127"
+ *
+ * #define DRIVER_MAJOR		2
+ * #define DRIVER_MINOR		0
+ * #define DRIVER_PATCHLEVEL	2
+ *
+ * #define DRIVER_IOCTL_COUNT	DRM_ARRAY_SIZE( mga_ioctls )
+ *
+ * #define DRM(x)		mga_##x
+ */
+
+#ifndef __MUST_HAVE_AGP
+#define __MUST_HAVE_AGP			0
+#endif
+#ifndef __HAVE_CTX_BITMAP
+#define __HAVE_CTX_BITMAP		0
+#endif
+#ifndef __HAVE_DMA_IRQ
+#define __HAVE_DMA_IRQ			0
+#endif
+#ifndef __HAVE_DMA_QUEUE
+#define __HAVE_DMA_QUEUE		0
+#endif
+#ifndef __HAVE_MULTIPLE_DMA_QUEUES
+#define __HAVE_MULTIPLE_DMA_QUEUES	0
+#endif
+#ifndef __HAVE_DMA_SCHEDULE
+#define __HAVE_DMA_SCHEDULE		0
+#endif
+#ifndef __HAVE_DMA_FLUSH
+#define __HAVE_DMA_FLUSH		0
+#endif
+#ifndef __HAVE_DMA_READY
+#define __HAVE_DMA_READY		0
+#endif
+#ifndef __HAVE_DMA_QUIESCENT
+#define __HAVE_DMA_QUIESCENT		0
+#endif
+#ifndef __HAVE_RELEASE
+#define __HAVE_RELEASE			0
+#endif
+#ifndef __HAVE_COUNTERS
+#define __HAVE_COUNTERS			0
+#endif
+#ifndef __HAVE_SG
+#define __HAVE_SG			0
+#endif
+#ifndef __HAVE_KERNEL_CTX_SWITCH
+#define __HAVE_KERNEL_CTX_SWITCH	0
+#endif
+#ifndef PCI_ANY_ID
+#define PCI_ANY_ID	~0
+#endif
+
+#ifndef DRIVER_PREINIT
+#define DRIVER_PREINIT()
+#endif
+#ifndef DRIVER_POSTINIT
+#define DRIVER_POSTINIT()
+#endif
+#ifndef DRIVER_PRERELEASE
+#define DRIVER_PRERELEASE()
+#endif
+#ifndef DRIVER_PRETAKEDOWN
+#define DRIVER_PRETAKEDOWN()
+#endif
+#ifndef DRIVER_POSTCLEANUP
+#define DRIVER_POSTCLEANUP()
+#endif
+#ifndef DRIVER_PRESETUP
+#define DRIVER_PRESETUP()
+#endif
+#ifndef DRIVER_POSTSETUP
+#define DRIVER_POSTSETUP()
+#endif
+#ifndef DRIVER_IOCTLS
+#define DRIVER_IOCTLS
+#endif
+#ifndef DRIVER_FOPS
+#if DRM_LINUX
+#include <sys/file.h>
+#include <sys/proc.h>
+#include <machine/../linux/linux.h>
+#include <machine/../linux/linux_proto.h>
+#include "drm_linux.h"
+#endif
+#endif
+
+
+/*
+ * The default number of instances (minor numbers) to initialize.
+ */
+#ifndef DRIVER_NUM_CARDS
+#define DRIVER_NUM_CARDS 1
+#endif
+
+static int DRM(init)(device_t nbdev);
+static void DRM(cleanup)(device_t nbdev);
+
+#define CDEV_MAJOR	145
+#define DRIVER_SOFTC(unit) \
+	((drm_device_t *) devclass_get_softc(DRM(devclass), unit))
+
+#if __REALLY_HAVE_AGP
+MODULE_DEPEND(DRIVER_NAME, agp, 1, 1, 1);
+#endif
+#if DRM_LINUX
+MODULE_DEPEND(DRIVER_NAME, linux, 1, 1, 1);
+#endif
+
+static drm_device_t	*DRM(device);
+static int		*DRM(minor);
+static int		DRM(numdevs) = 0;
+
+
+static drm_ioctl_desc_t		  DRM(ioctls)[] = {
+	[DRM_IOCTL_NR(DRM_IOCTL_VERSION)]       = { DRM(version),     0, 0 },
+	[DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)]    = { DRM(getunique),   0, 0 },
+	[DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)]     = { DRM(getmagic),    0, 0 },
+	[DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)]     = { DRM(irq_busid),   0, 1 },
+	[DRM_IOCTL_NR(DRM_IOCTL_GET_MAP)]       = { DRM(getmap),      0, 0 },
+	[DRM_IOCTL_NR(DRM_IOCTL_GET_CLIENT)]    = { DRM(getclient),   0, 0 },
+	[DRM_IOCTL_NR(DRM_IOCTL_GET_STATS)]     = { DRM(getstats),    0, 0 },
+
+	[DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)]    = { DRM(setunique),   1, 1 },
+	[DRM_IOCTL_NR(DRM_IOCTL_BLOCK)]         = { DRM(block),       1, 1 },
+	[DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)]       = { DRM(unblock),     1, 1 },
+	[DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)]    = { DRM(authmagic),   1, 1 },
+
+	[DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)]       = { DRM(addmap),      1, 1 },
+	[DRM_IOCTL_NR(DRM_IOCTL_RM_MAP)]        = { DRM(rmmap),       1, 0 },
+
+#if __HAVE_CTX_BITMAP
+	[DRM_IOCTL_NR(DRM_IOCTL_SET_SAREA_CTX)] = { DRM(setsareactx), 1, 1 },
+	[DRM_IOCTL_NR(DRM_IOCTL_GET_SAREA_CTX)] = { DRM(getsareactx), 1, 0 },
+#endif
+
+	[DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)]       = { DRM(addctx),      1, 1 },
+	[DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)]        = { DRM(rmctx),       1, 1 },
+	[DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)]       = { DRM(modctx),      1, 1 },
+	[DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)]       = { DRM(getctx),      1, 0 },
+	[DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)]    = { DRM(switchctx),   1, 1 },
+	[DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)]       = { DRM(newctx),      1, 1 },
+	[DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)]       = { DRM(resctx),      1, 0 },
+
+	[DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)]      = { DRM(adddraw),     1, 1 },
+	[DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)]       = { DRM(rmdraw),      1, 1 },
+
+	[DRM_IOCTL_NR(DRM_IOCTL_LOCK)]	        = { DRM(lock),        1, 0 },
+	[DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)]        = { DRM(unlock),      1, 0 },
+	[DRM_IOCTL_NR(DRM_IOCTL_FINISH)]        = { DRM(finish),      1, 0 },
+
+#if __HAVE_DMA
+	[DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS)]      = { DRM(addbufs),     1, 1 },
+	[DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS)]     = { DRM(markbufs),    1, 1 },
+	[DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS)]     = { DRM(infobufs),    1, 0 },
+	[DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS)]      = { DRM(mapbufs),     1, 0 },
+	[DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS)]     = { DRM(freebufs),    1, 0 },
+
+	/* The DRM_IOCTL_DMA ioctl should be defined by the driver.
+	 */
+#if __HAVE_DMA_IRQ
+	[DRM_IOCTL_NR(DRM_IOCTL_CONTROL)]       = { DRM(control),     1, 1 },
+#endif
+#endif
+
+#if __REALLY_HAVE_AGP
+	[DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)]   = { DRM(agp_acquire), 1, 1 },
+	[DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)]   = { DRM(agp_release), 1, 1 },
+	[DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)]    = { DRM(agp_enable),  1, 1 },
+	[DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)]      = { DRM(agp_info),    1, 0 },
+	[DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)]     = { DRM(agp_alloc),   1, 1 },
+	[DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)]      = { DRM(agp_free),    1, 1 },
+	[DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)]      = { DRM(agp_bind),    1, 1 },
+	[DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)]    = { DRM(agp_unbind),  1, 1 },
+#endif
+
+#if __REALLY_HAVE_SG
+	[DRM_IOCTL_NR(DRM_IOCTL_SG_ALLOC)]      = { DRM(sg_alloc),    1, 1 },
+	[DRM_IOCTL_NR(DRM_IOCTL_SG_FREE)]       = { DRM(sg_free),     1, 1 },
+#endif
+
+	DRIVER_IOCTLS
+};
+
+#define DRIVER_IOCTL_COUNT	DRM_ARRAY_SIZE( DRM(ioctls) )
+
+
+static int DRM(probe)(device_t dev)
+{
+	const char *s = 0;
+
+	int pciid=pci_get_devid(dev);
+	int vendor = (pciid & 0x0000ffff);
+	int device = (pciid & 0xffff0000) >> 16;
+	int i=0, done=0;
+	DRM_INFO("Checking PCI vendor=%d, device=%d\n", vendor, device);
+	while ( !done && (DRM(devicelist)[i].vendor != 0 ) ) {
+		if ( (DRM(devicelist)[i].vendor == vendor) &&
+		     (DRM(devicelist)[i].device == device) ) {
+			done=1;
+			if ( DRM(devicelist)[i].supported )
+				s = DRM(devicelist)[i].name;
+			else
+				DRM_INFO("%s not supported\n", DRM(devicelist)[i].name);
+		}
+		i++;
+	}
+	
+	if (s) {
+		device_set_desc(dev, s);
+		return 0;
+	}
+
+	return ENXIO;
+}
+
+static int DRM(attach)(device_t dev)
+{
+	return DRM(init)(dev);
+}
+
+static int DRM(detach)(device_t dev)
+{
+	DRM(cleanup)(dev);
+	return 0;
+}
+
+static device_method_t DRM(methods)[] = {
+	/* Device interface */
+	DEVMETHOD(device_probe,		DRM( probe)),
+	DEVMETHOD(device_attach,	DRM( attach)),
+	DEVMETHOD(device_detach,	DRM( detach)),
+
+	{ 0, 0 }
+};
+
+static driver_t DRM(driver) = {
+	"drm",
+	DRM(methods),
+	sizeof(drm_device_t),
+};
+
+static devclass_t DRM( devclass);
+
+static struct cdevsw DRM( cdevsw) = {
+	/* open */	DRM( open ),
+	/* close */	DRM( close ),
+	/* read */	DRM( read ),
+	/* write */	DRM( write ),
+	/* ioctl */	DRM( ioctl ),
+	/* poll */	DRM( poll ),
+	/* mmap */	DRM( mmap ),
+	/* strategy */	nostrategy,
+	/* name */	DRIVER_NAME,
+	/* maj */	CDEV_MAJOR,
+	/* dump */	nodump,
+	/* psize */	nopsize,
+	/* flags */	D_TTY | D_TRACKCLOSE,
+#if __FreeBSD_version >= 500000
+	/* kqfilter */	0
+#else
+	/* bmaj */	-1
+#endif
+};
+
+static int DRM(setup)( drm_device_t *dev )
+{
+	int i;
+
+	DRIVER_PRESETUP();
+	atomic_set( &dev->ioctl_count, 0 );
+	atomic_set( &dev->vma_count, 0 );
+	dev->buf_use = 0;
+	atomic_set( &dev->buf_alloc, 0 );
+
+#if __HAVE_DMA
+	i = DRM(dma_setup)( dev );
+	if ( i < 0 )
+		return i;
+#endif
+
+	dev->counters  = 6 + __HAVE_COUNTERS;
+	dev->types[0]  = _DRM_STAT_LOCK;
+	dev->types[1]  = _DRM_STAT_OPENS;
+	dev->types[2]  = _DRM_STAT_CLOSES;
+	dev->types[3]  = _DRM_STAT_IOCTLS;
+	dev->types[4]  = _DRM_STAT_LOCKS;
+	dev->types[5]  = _DRM_STAT_UNLOCKS;
+#ifdef __HAVE_COUNTER6
+	dev->types[6]  = __HAVE_COUNTER6;
+#endif
+#ifdef __HAVE_COUNTER7
+	dev->types[7]  = __HAVE_COUNTER7;
+#endif
+#ifdef __HAVE_COUNTER8
+	dev->types[8]  = __HAVE_COUNTER8;
+#endif
+#ifdef __HAVE_COUNTER9
+	dev->types[9]  = __HAVE_COUNTER9;
+#endif
+#ifdef __HAVE_COUNTER10
+	dev->types[10] = __HAVE_COUNTER10;
+#endif
+#ifdef __HAVE_COUNTER11
+	dev->types[11] = __HAVE_COUNTER11;
+#endif
+#ifdef __HAVE_COUNTER12
+	dev->types[12] = __HAVE_COUNTER12;
+#endif
+#ifdef __HAVE_COUNTER13
+	dev->types[13] = __HAVE_COUNTER13;
+#endif
+#ifdef __HAVE_COUNTER14
+	dev->types[14] = __HAVE_COUNTER14;
+#endif
+#ifdef __HAVE_COUNTER15
+	dev->types[14] = __HAVE_COUNTER14;
+#endif
+
+	for ( i = 0 ; i < DRM_ARRAY_SIZE(dev->counts) ; i++ )
+		atomic_set( &dev->counts[i], 0 );
+
+	for ( i = 0 ; i < DRM_HASH_SIZE ; i++ ) {
+		dev->magiclist[i].head = NULL;
+		dev->magiclist[i].tail = NULL;
+	}
+
+	dev->maplist = DRM(alloc)(sizeof(*dev->maplist),
+				  DRM_MEM_MAPS);
+	if(dev->maplist == NULL) DRM_OS_RETURN(ENOMEM);
+	memset(dev->maplist, 0, sizeof(*dev->maplist));
+	TAILQ_INIT(dev->maplist);
+	dev->map_count = 0;
+
+	dev->vmalist = NULL;
+	dev->lock.hw_lock = NULL;
+	dev->lock.lock_queue = 0;
+	dev->queue_count = 0;
+	dev->queue_reserved = 0;
+	dev->queue_slots = 0;
+	dev->queuelist = NULL;
+	dev->irq = 0;
+	dev->context_flag = 0;
+	dev->interrupt_flag = 0;
+	dev->dma_flag = 0;
+	dev->last_context = 0;
+	dev->last_switch = 0;
+	dev->last_checked = 0;
+#if __FreeBSD_version >= 500000
+	callout_init( &dev->timer, 1 );
+#else
+	callout_init( &dev->timer );
+#endif
+	dev->context_wait = 0;
+
+	dev->ctx_start = 0;
+	dev->lck_start = 0;
+
+	dev->buf_rp = dev->buf;
+	dev->buf_wp = dev->buf;
+	dev->buf_end = dev->buf + DRM_BSZ;
+	dev->buf_sigio = NULL;
+	dev->buf_readers = 0;
+	dev->buf_writers = 0;
+	dev->buf_selecting = 0;
+
+	DRM_DEBUG( "\n" );
+
+	/* The kernel's context could be created here, but is now created
+	 * in drm_dma_enqueue.	This is more resource-efficient for
+	 * hardware that does not do DMA, but may mean that
+	 * drm_select_queue fails between the time the interrupt is
+	 * initialized and the time the queues are initialized.
+	 */
+	DRIVER_POSTSETUP();
+	return 0;
+}
+
+
+static int DRM(takedown)( drm_device_t *dev )
+{
+	drm_magic_entry_t *pt, *next;
+	drm_map_t *map;
+	drm_map_list_entry_t *list;
+	drm_vma_entry_t *vma, *vma_next;
+	int i;
+
+	DRM_DEBUG( "\n" );
+
+	DRIVER_PRETAKEDOWN();
+#if __HAVE_DMA_IRQ
+	if ( dev->irq ) DRM(irq_uninstall)( dev );
+#endif
+
+	DRM_OS_LOCK;
+	callout_stop( &dev->timer );
+
+	if ( dev->devname ) {
+		DRM(free)( dev->devname, strlen( dev->devname ) + 1,
+			   DRM_MEM_DRIVER );
+		dev->devname = NULL;
+	}
+
+	if ( dev->unique ) {
+		DRM(free)( dev->unique, strlen( dev->unique ) + 1,
+			   DRM_MEM_DRIVER );
+		dev->unique = NULL;
+		dev->unique_len = 0;
+	}
+				/* Clear pid list */
+	for ( i = 0 ; i < DRM_HASH_SIZE ; i++ ) {
+		for ( pt = dev->magiclist[i].head ; pt ; pt = next ) {
+			next = pt->next;
+			DRM(free)( pt, sizeof(*pt), DRM_MEM_MAGIC );
+		}
+		dev->magiclist[i].head = dev->magiclist[i].tail = NULL;
+	}
+
+#if __REALLY_HAVE_AGP
+				/* Clear AGP information */
+	if ( dev->agp ) {
+		drm_agp_mem_t *entry;
+		drm_agp_mem_t *nexte;
+
+				/* Remove AGP resources, but leave dev->agp
+                                   intact until drv_cleanup is called. */
+		for ( entry = dev->agp->memory ; entry ; entry = nexte ) {
+			nexte = entry->next;
+			if ( entry->bound ) DRM(unbind_agp)( entry->handle );
+			DRM(free_agp)( entry->handle, entry->pages );
+			DRM(free)( entry, sizeof(*entry), DRM_MEM_AGPLISTS );
+		}
+		dev->agp->memory = NULL;
+
+		if ( dev->agp->acquired ) DRM(agp_do_release)();
+
+		dev->agp->acquired = 0;
+		dev->agp->enabled  = 0;
+	}
+#endif
+
+				/* Clear vma list (only built for debugging) */
+	if ( dev->vmalist ) {
+		for ( vma = dev->vmalist ; vma ; vma = vma_next ) {
+			vma_next = vma->next;
+			DRM(free)( vma, sizeof(*vma), DRM_MEM_VMAS );
+		}
+		dev->vmalist = NULL;
+	}
+
+	if( dev->maplist ) {
+		while ((list=TAILQ_FIRST(dev->maplist))) {
+			map = list->map;
+			switch ( map->type ) {
+			case _DRM_REGISTERS:
+			case _DRM_FRAME_BUFFER:
+#if __REALLY_HAVE_MTRR
+				if ( map->mtrr >= 0 ) {
+					int retcode;
+					retcode = mtrr_del( map->mtrr,
+							    map->offset,
+							    map->size );
+					DRM_DEBUG( "mtrr_del=%d\n", retcode );
+				}
+#endif
+				DRM(ioremapfree)( map->handle, map->size );
+				break;
+			case _DRM_SHM:
+				DRM(free_pages)((unsigned long)map->handle,
+					       DRM(order)(map->size)
+					       - PAGE_SHIFT,
+					       DRM_MEM_SAREA);
+				break;
+
+			case _DRM_AGP:
+				/* Do nothing here, because this is all
+				 * handled in the AGP/GART driver.
+				 */
+				break;
+                       case _DRM_SCATTER_GATHER:
+				/* Handle it, but do nothing, if REALLY_HAVE_SG
+				 * isn't defined.
+				 */
+#if __REALLY_HAVE_SG
+				if(dev->sg) {
+					DRM(sg_cleanup)(dev->sg);
+					dev->sg = NULL;
+				}
+#endif
+				break;
+			}
+			TAILQ_REMOVE(dev->maplist, list, link);
+			DRM(free)(list, sizeof(*list), DRM_MEM_MAPS);
+			DRM(free)(map, sizeof(*map), DRM_MEM_MAPS);
+		}
+		DRM(free)(dev->maplist, sizeof(*dev->maplist), DRM_MEM_MAPS);
+		dev->maplist   = NULL;
+ 	}
+
+#if __HAVE_DMA_QUEUE || __HAVE_MULTIPLE_DMA_QUEUES
+	if ( dev->queuelist ) {
+		for ( i = 0 ; i < dev->queue_count ; i++ ) {
+			DRM(waitlist_destroy)( &dev->queuelist[i]->waitlist );
+			if ( dev->queuelist[i] ) {
+				DRM(free)( dev->queuelist[i],
+					  sizeof(*dev->queuelist[0]),
+					  DRM_MEM_QUEUES );
+				dev->queuelist[i] = NULL;
+			}
+		}
+		DRM(free)( dev->queuelist,
+			  dev->queue_slots * sizeof(*dev->queuelist),
+			  DRM_MEM_QUEUES );
+		dev->queuelist = NULL;
+	}
+	dev->queue_count = 0;
+#endif
+
+#if __HAVE_DMA
+	DRM(dma_takedown)( dev );
+#endif
+	if ( dev->lock.hw_lock ) {
+		dev->lock.hw_lock = NULL; /* SHM removed */
+		dev->lock.pid = 0;
+		DRM_OS_WAKEUP_INT(&dev->lock.lock_queue);
+	}
+	DRM_OS_UNLOCK;
+
+	return 0;
+}
+
+/*
+ * Figure out how many instances to initialize.
+ */
+static int drm_count_cards(void)
+{
+	int num = 0;
+#if defined(DRIVER_CARD_LIST)
+	int i;
+	drm_pci_list_t *l;
+	u16 device, vendor;
+	struct pci_dev *pdev = NULL;
+#endif
+
+	DRM_DEBUG( "\n" );
+
+#if defined(DRIVER_COUNT_CARDS)
+	num = DRIVER_COUNT_CARDS();
+#elif defined(DRIVER_CARD_LIST)
+	for (i = 0, l = DRIVER_CARD_LIST; l[i].vendor != 0; i++) {
+		pdev = NULL;
+		vendor = l[i].vendor;
+		device = l[i].device;
+		if(device == 0xffff) device = PCI_ANY_ID;
+		if(vendor == 0xffff) vendor = PCI_ANY_ID;
+		while ((pdev = pci_find_device(vendor, device, pdev))) {
+			num++;	/* FIXME: What about two cards of the same device id? */
+		}
+	}
+#else
+	num = DRIVER_NUM_CARDS;
+#endif
+	DRM_DEBUG("numdevs = %d\n", num);
+	return num;
+}
+
+/* drm_init is called via init_module at module load time, or via
+ * linux/init/main.c (this is not currently supported).
+ */
+static int DRM(init)( device_t nbdev )
+{
+
+	drm_device_t *dev;
+	int i;
+#if __HAVE_CTX_BITMAP
+	int retcode;
+#endif
+	DRM_DEBUG( "\n" );
+
+#ifdef MODULE
+	DRM(parse_options)( drm_opts );
+#endif
+
+	DRM(numdevs) = drm_count_cards();
+	/* Force at least one instance. */
+	if (DRM(numdevs) <= 0)
+		DRM(numdevs) = 1;
+
+	DRM(device) = DRM_OS_MALLOC(sizeof(*DRM(device)) * DRM(numdevs));
+	if (!DRM(device)) {
+		DRM_OS_RETURN(ENOMEM);
+	}
+	DRM(minor) = DRM_OS_MALLOC(sizeof(*(DRM(minor))) * DRM(numdevs));
+	if (!DRM(minor)) {
+		DRM_OS_FREE(DRM(device));
+		DRM_OS_RETURN(ENOMEM);
+	}
+
+	DRIVER_PREINIT();
+
+
+	for (i = 0; i < DRM(numdevs); i++) {
+		int unit = device_get_unit(nbdev);
+		/* FIXME??? - multihead !!! */
+		dev = device_get_softc(nbdev);
+		memset( (void *)dev, 0, sizeof(*dev) );
+		DRM(minor)[i]=unit;
+		DRM_OS_SPININIT(dev->count_lock, "drm device");
+		lockinit(&dev->dev_lock, PZERO, "drmlk", 0, 0);
+		dev->device = nbdev;
+		dev->devnode = make_dev( &DRM(cdevsw),
+				unit,
+				DRM_DEV_UID,
+				DRM_DEV_GID,
+				DRM_DEV_MODE,
+				"dri/card%d", unit );
+		dev->name   = DRIVER_NAME;
+		DRM(mem_init)();
+		DRM(sysctl_init)(dev);
+		TAILQ_INIT(&dev->files);
+
+#if __REALLY_HAVE_AGP
+		dev->agp = DRM(agp_init)();
+#if __MUST_HAVE_AGP
+		if ( dev->agp == NULL ) {
+			DRM_ERROR( "Cannot initialize the agpgart module.\n" );
+			DRM(sysctl_cleanup)( dev );
+			destroy_dev(dev->devnode);
+			DRM(takedown)( dev );
+			DRM_OS_RETURN(ENOMEM);
+		}
+#endif
+#if __REALLY_HAVE_MTRR
+		if (dev->agp)
+			dev->agp->agp_mtrr = mtrr_add( dev->agp->agp_info.aper_base,
+				       dev->agp->agp_info.aper_size*1024*1024,
+				       MTRR_TYPE_WRCOMB,
+				       1 );
+#endif
+#endif
+
+#if __HAVE_CTX_BITMAP
+		retcode = DRM(ctxbitmap_init)( dev );
+		if( retcode ) {
+			DRM_ERROR( "Cannot allocate memory for context bitmap.\n" );
+			DRM(sysctl_cleanup)( dev );
+			destroy_dev(dev->devnode);
+			DRM(takedown)( dev );
+			return retcode;
+		}
+#endif
+		DRM_INFO( "Initialized %s %d.%d.%d %s on minor %d\n",
+		  	DRIVER_NAME,
+		  	DRIVER_MAJOR,
+		  	DRIVER_MINOR,
+		  	DRIVER_PATCHLEVEL,
+		  	DRIVER_DATE,
+		  	DRM(minor)[i] );
+	}
+
+	DRIVER_POSTINIT();
+
+	return 0;
+}
+
+/* drm_cleanup is called via cleanup_module at module unload time.
+ */
+static void DRM(cleanup)(device_t nbdev)
+{
+	drm_device_t *dev;
+	int i;
+
+	DRM_DEBUG( "\n" );
+
+	for (i = DRM(numdevs) - 1; i >= 0; i--) {
+		/* FIXME??? - multihead */
+		dev = device_get_softc(nbdev);
+		DRM(sysctl_cleanup)( dev );
+		destroy_dev(dev->devnode);
+#if __HAVE_CTX_BITMAP
+		DRM(ctxbitmap_cleanup)( dev );
+#endif
+
+#if __REALLY_HAVE_AGP && __REALLY_HAVE_MTRR
+		if ( dev->agp && dev->agp->agp_mtrr >= 0) {
+			int retval;
+			retval = mtrr_del( dev->agp->agp_mtrr,
+				   dev->agp->agp_info.aper_base,
+				   dev->agp->agp_info.aper_size*1024*1024 );
+			DRM_DEBUG( "mtrr_del=%d\n", retval );
+		}
+#endif
+
+		DRM(takedown)( dev );
+
+#if __REALLY_HAVE_AGP
+		if ( dev->agp ) {
+			DRM(agp_uninit)();
+			DRM(free)( dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS );
+			dev->agp = NULL;
+		}
+#endif
+	}
+	DRIVER_POSTCLEANUP();
+	DRM_OS_FREE(DRM(minor));
+	DRM_OS_FREE(DRM(device));
+	DRM(numdevs) = 0;
+}
+
+
+int DRM(version)( DRM_OS_IOCTL )
+{
+	drm_version_t version;
+	int len;
+
+	DRM_OS_KRNFROMUSR( version, (drm_version_t *)data, sizeof(version) );
+
+#define DRM_COPY( name, value )						\
+	len = strlen( value );						\
+	if ( len > name##_len ) len = name##_len;			\
+	name##_len = strlen( value );					\
+	if ( len && name ) {						\
+		if ( DRM_OS_COPYTOUSR( name, value, len ) )		\
+			DRM_OS_RETURN(EFAULT);				\
+	}
+
+	version.version_major = DRIVER_MAJOR;
+	version.version_minor = DRIVER_MINOR;
+	version.version_patchlevel = DRIVER_PATCHLEVEL;
+
+	DRM_COPY( version.name, DRIVER_NAME );
+	DRM_COPY( version.date, DRIVER_DATE );
+	DRM_COPY( version.desc, DRIVER_DESC );
+
+	DRM_OS_KRNTOUSR( (drm_version_t *)data, version, sizeof(version) );
+
+	return 0;
+}
+
+int DRM( open)(dev_t kdev, int flags, int fmt, DRM_OS_STRUCTPROC *p)
+{
+	drm_device_t *dev = NULL;
+	int retcode = 0;
+	int i;
+
+	for (i = 0; i < DRM(numdevs); i++) {
+		/* FIXME ??? - multihead */
+		dev    = DRIVER_SOFTC(minor(kdev));
+	}
+	if (!dev) {
+		DRM_OS_RETURN(ENODEV);
+	}
+
+	DRM_DEBUG( "open_count = %d\n", dev->open_count );
+
+	device_busy(dev->device);
+	retcode = DRM(open_helper)(kdev, flags, fmt, p, dev);
+
+	if ( !retcode ) {
+		atomic_inc( &dev->counts[_DRM_STAT_OPENS] );
+		DRM_OS_SPINLOCK( &dev->count_lock );
+		if ( !dev->open_count++ ) {
+			DRM_OS_SPINUNLOCK( &dev->count_lock );
+			return DRM(setup)( dev );
+		}
+		DRM_OS_SPINUNLOCK( &dev->count_lock );
+	}
+	device_unbusy(dev->device);
+
+	return retcode;
+}
+
+int DRM( close)(dev_t kdev, int flags, int fmt, DRM_OS_STRUCTPROC *p)
+{
+	drm_file_t *priv;
+	drm_device_t  *dev    = kdev->si_drv1;
+	int retcode = 0;
+
+	DRM_DEBUG( "open_count = %d\n", dev->open_count );
+	priv = DRM(find_file_by_proc)(dev, p);
+	if (!priv) {
+		DRM_DEBUG("can't find authenticator\n");
+		return EINVAL;
+	}
+
+	DRIVER_PRERELEASE();
+
+	/* ========================================================
+	 * Begin inline drm_release
+	 */
+
+	DRM_DEBUG( "pid = %d, device = 0x%lx, open_count = %d\n",
+		   DRM_OS_CURRENTPID, (long)dev->device, dev->open_count );
+
+	if (dev->lock.hw_lock && _DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)
+	    && dev->lock.pid == DRM_OS_CURRENTPID) {
+		DRM_DEBUG("Process %d dead, freeing lock for context %d\n",
+			  DRM_OS_CURRENTPID,
+			  _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));
+#if HAVE_DRIVER_RELEASE
+		DRIVER_RELEASE();
+#endif
+		DRM(lock_free)(dev,
+			      &dev->lock.hw_lock->lock,
+			      _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));
+		
+				/* FIXME: may require heavy-handed reset of
+                                   hardware at this point, possibly
+                                   processed via a callback to the X
+                                   server. */
+	}
+#if __HAVE_RELEASE
+	else if ( dev->lock.hw_lock ) {
+		/* The lock is required to reclaim buffers */
+		for (;;) {
+			if ( !dev->lock.hw_lock ) {
+				/* Device has been unregistered */
+				retcode = EINTR;
+				break;
+			}
+			if ( DRM(lock_take)( &dev->lock.hw_lock->lock,
+					     DRM_KERNEL_CONTEXT ) ) {
+				dev->lock.pid       = p->p_pid;
+				dev->lock.lock_time = jiffies;
+                                atomic_inc( &dev->counts[_DRM_STAT_LOCKS] );
+				break;	/* Got lock */
+			}
+				/* Contention */
+#if 0
+			atomic_inc( &dev->total_sleeps );
+#endif
+			retcode = tsleep(&dev->lock.lock_queue,
+					PZERO|PCATCH,
+					"drmlk2",
+					0);
+			if (retcode)
+				break;
+		}
+		if( !retcode ) {
+			DRIVER_RELEASE();
+			DRM(lock_free)( dev, &dev->lock.hw_lock->lock,
+					DRM_KERNEL_CONTEXT );
+		}
+	}
+#elif __HAVE_DMA
+	DRM(reclaim_buffers)( dev, priv->pid );
+#endif
+
+	funsetown(dev->buf_sigio);
+
+	DRM_OS_LOCK;
+	priv = DRM(find_file_by_proc)(dev, p);
+	if (priv) {
+		priv->refs--;
+		if (!priv->refs) {
+			TAILQ_REMOVE(&dev->files, priv, link);
+		}
+	}
+	DRM_OS_UNLOCK;
+
+	DRM(free)( priv, sizeof(*priv), DRM_MEM_FILES );
+
+	/* ========================================================
+	 * End inline drm_release
+	 */
+
+	atomic_inc( &dev->counts[_DRM_STAT_CLOSES] );
+	DRM_OS_SPINLOCK( &dev->count_lock );
+	if ( !--dev->open_count ) {
+		if ( atomic_read( &dev->ioctl_count ) || dev->blocked ) {
+			DRM_ERROR( "Device busy: %ld %d\n",
+				(unsigned long)atomic_read( &dev->ioctl_count ),
+				   dev->blocked );
+			DRM_OS_SPINUNLOCK( &dev->count_lock );
+			DRM_OS_RETURN(EBUSY);
+		}
+		DRM_OS_SPINUNLOCK( &dev->count_lock );
+		device_unbusy(dev->device);
+		return DRM(takedown)( dev );
+	}
+	DRM_OS_SPINUNLOCK( &dev->count_lock );
+
+	
+	DRM_OS_RETURN(retcode);
+}
+
+/* DRM(ioctl) is called whenever a process performs an ioctl on /dev/drm.
+ */
+int DRM(ioctl)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	int retcode = 0;
+	drm_ioctl_desc_t *ioctl;
+	d_ioctl_t *func;
+	int nr = DRM_IOCTL_NR(cmd);
+	DRM_OS_PRIV;
+
+	atomic_inc( &dev->ioctl_count );
+	atomic_inc( &dev->counts[_DRM_STAT_IOCTLS] );
+	++priv->ioctl_count;
+
+	DRM_DEBUG( "pid=%d, cmd=0x%02lx, nr=0x%02x, dev 0x%lx, auth=%d\n",
+		 DRM_OS_CURRENTPID, cmd, nr, (long)dev->device, priv->authenticated );
+
+	switch (cmd) {
+	case FIONBIO:
+		atomic_dec(&dev->ioctl_count);
+		return 0;
+
+	case FIOASYNC:
+		atomic_dec(&dev->ioctl_count);
+		dev->flags |= FASYNC;
+		return 0;
+
+	case FIOSETOWN:
+		atomic_dec(&dev->ioctl_count);
+		return fsetown(*(int *)data, &dev->buf_sigio);
+
+	case FIOGETOWN:
+		atomic_dec(&dev->ioctl_count);
+		*(int *) data = fgetown(dev->buf_sigio);
+		return 0;
+	}
+
+	if ( nr >= DRIVER_IOCTL_COUNT ) {
+		retcode = EINVAL;
+	} else {
+		ioctl = &DRM(ioctls)[nr];
+		func = ioctl->func;
+
+		if ( !func ) {
+			DRM_DEBUG( "no function\n" );
+			retcode = EINVAL;
+		} else if ( ( ioctl->root_only && DRM_OS_CHECKSUSER ) 
+			 || ( ioctl->auth_needed && !priv->authenticated ) ) {
+			retcode = EACCES;
+		} else {
+			retcode = func( kdev, cmd, data, flags, p );
+		}
+	}
+
+	atomic_dec( &dev->ioctl_count );
+	DRM_OS_RETURN(retcode);
+}
+
+int DRM(lock)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+        drm_lock_t lock;
+        int ret = 0;
+#if __HAVE_MULTIPLE_DMA_QUEUES
+	drm_queue_t *q;
+#endif
+#if __HAVE_DMA_HISTOGRAM
+        cycles_t start;
+
+        dev->lck_start = start = get_cycles();
+#endif
+
+	DRM_OS_KRNFROMUSR( lock, (drm_lock_t *)data, sizeof(lock) );
+
+        if ( lock.context == DRM_KERNEL_CONTEXT ) {
+                DRM_ERROR( "Process %d using kernel context %d\n",
+			   DRM_OS_CURRENTPID, lock.context );
+                DRM_OS_RETURN(EINVAL);
+        }
+
+        DRM_DEBUG( "%d (pid %d) requests lock (0x%08x), flags = 0x%08x\n",
+		   lock.context, DRM_OS_CURRENTPID,
+		   dev->lock.hw_lock->lock, lock.flags );
+
+#if __HAVE_DMA_QUEUE
+        if ( lock.context < 0 )
+                DRM_OS_RETURN(EINVAL);
+#elif __HAVE_MULTIPLE_DMA_QUEUES
+        if ( lock.context < 0 || lock.context >= dev->queue_count )
+                DRM_OS_RETURN(EINVAL);
+	q = dev->queuelist[lock.context];
+#endif
+
+#if __HAVE_DMA_FLUSH
+	ret = DRM(flush_block_and_flush)( dev, lock.context, lock.flags );
+#endif
+        if ( !ret ) {
+                for (;;) {
+                        if ( !dev->lock.hw_lock ) {
+                                /* Device has been unregistered */
+                                ret = EINTR;
+                                break;
+                        }
+                        if ( DRM(lock_take)( &dev->lock.hw_lock->lock,
+					     lock.context ) ) {
+                                dev->lock.pid       = DRM_OS_CURRENTPID;
+                                dev->lock.lock_time = jiffies;
+                                atomic_inc( &dev->counts[_DRM_STAT_LOCKS] );
+                                break;  /* Got lock */
+                        }
+
+                                /* Contention */
+			ret = tsleep(&dev->lock.lock_queue,
+					PZERO|PCATCH,
+					"drmlk2",
+					0);
+			if (ret)
+				break;
+                }
+        }
+
+#if __HAVE_DMA_FLUSH
+	DRM(flush_unblock)( dev, lock.context, lock.flags ); /* cleanup phase */
+#endif
+
+        if ( !ret ) {
+
+#if __HAVE_DMA_READY
+                if ( lock.flags & _DRM_LOCK_READY ) {
+			DRIVER_DMA_READY();
+		}
+#endif
+#if __HAVE_DMA_QUIESCENT
+                if ( lock.flags & _DRM_LOCK_QUIESCENT ) {
+			DRIVER_DMA_QUIESCENT();
+		}
+#endif
+#if __HAVE_KERNEL_CTX_SWITCH
+		if ( dev->last_context != lock.context ) {
+			DRM(context_switch)(dev, dev->last_context,
+					    lock.context);
+		}
+#endif
+        }
+
+        DRM_DEBUG( "%d %s\n", lock.context, ret ? "interrupted" : "has lock" );
+
+#if __HAVE_DMA_HISTOGRAM
+        atomic_inc(&dev->histo.lacq[DRM(histogram_slot)(get_cycles()-start)]);
+#endif
+
+	DRM_OS_RETURN(ret);
+}
+
+
+int DRM(unlock)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_lock_t lock;
+
+	DRM_OS_KRNFROMUSR( lock, (drm_lock_t *)data, sizeof(lock) ) ;
+
+	if ( lock.context == DRM_KERNEL_CONTEXT ) {
+		DRM_ERROR( "Process %d using kernel context %d\n",
+			   DRM_OS_CURRENTPID, lock.context );
+		DRM_OS_RETURN(EINVAL);
+	}
+
+	atomic_inc( &dev->counts[_DRM_STAT_UNLOCKS] );
+
+#if __HAVE_KERNEL_CTX_SWITCH
+	/* We no longer really hold it, but if we are the next
+	 * agent to request it then we should just be able to
+	 * take it immediately and not eat the ioctl.
+	 */
+	dev->lock.pid = 0;
+	{
+		__volatile__ unsigned int *plock = &dev->lock.hw_lock->lock;
+		unsigned int old, new, prev, ctx;
+
+		ctx = lock.context;
+		do {
+			old  = *plock;
+			new  = ctx;
+			prev = cmpxchg(plock, old, new);
+		} while (prev != old);
+	}
+	wake_up_interruptible(&dev->lock.lock_queue);
+#else
+	DRM(lock_transfer)( dev, &dev->lock.hw_lock->lock,
+			    DRM_KERNEL_CONTEXT );
+#if __HAVE_DMA_SCHEDULE
+	DRM(dma_schedule)( dev, 1 );
+#endif
+
+	/* FIXME: Do we ever really need to check this???
+	 */
+	if ( 1 /* !dev->context_flag */ ) {
+		if ( DRM(lock_free)( dev, &dev->lock.hw_lock->lock,
+				     DRM_KERNEL_CONTEXT ) ) {
+			DRM_ERROR( "\n" );
+		}
+	}
+#endif /* !__HAVE_KERNEL_CTX_SWITCH */
+
+	return 0;
+}
+
+#if DRM_LINUX
+static linux_ioctl_function_t DRM( linux_ioctl);
+static struct linux_ioctl_handler DRM( handler) = {DRM( linux_ioctl), LINUX_IOCTL_DRM_MIN, LINUX_IOCTL_DRM_MAX};
+SYSINIT  (DRM( register),   SI_SUB_KLD, SI_ORDER_MIDDLE, linux_ioctl_register_handler, &DRM( handler));
+SYSUNINIT(DRM( unregister), SI_SUB_KLD, SI_ORDER_MIDDLE, linux_ioctl_unregister_handler, &DRM( handler));
+
+/*
+ * Linux emulation IOCTL
+ */
+static int
+DRM(linux_ioctl)(DRM_OS_STRUCTPROC *p, struct linux_ioctl_args* args)
+{
+#if (__FreeBSD_version >= 500000)
+    struct file		*fp = p->td_proc->p_fd->fd_ofiles[args->fd];
+#else
+    struct file		*fp = p->p_fd->fd_ofiles[args->fd];
+#endif
+    u_long		cmd = args->cmd;
+    caddr_t             data = (caddr_t) args->arg;
+    /*
+     * Pass the ioctl off to our standard handler.
+     */
+    return(fo_ioctl(fp, cmd, data, p));
+}
+#endif /* DRM_LINUX */
diff --git a/bsd-core/drm_fops.c b/bsd-core/drm_fops.c
new file mode 100644
index 00000000..53af39cd
--- /dev/null
+++ b/bsd-core/drm_fops.c
@@ -0,0 +1,223 @@
+/* drm_fops.h -- File operations for DRM -*- linux-c -*-
+ * Created: Mon Jan  4 08:58:31 1999 by faith@valinux.com
+ *
+ * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Rickard E. (Rik) Faith <faith@valinux.com>
+ *    Daryll Strauss <daryll@valinux.com>
+ *    Gareth Hughes <gareth@valinux.com>
+ */
+
+#define __NO_VERSION__
+#include "drmP.h"
+
+
+#include <sys/signalvar.h>
+#include <sys/poll.h>
+
+drm_file_t *DRM(find_file_by_proc)(drm_device_t *dev, DRM_OS_STRUCTPROC *p)
+{
+#if __FreeBSD_version >= 500021
+	uid_t uid = p->td_proc->p_ucred->cr_svuid;
+	pid_t pid = p->td_proc->p_pid;
+#else
+	uid_t uid = p->p_cred->p_svuid;
+	pid_t pid = p->p_pid;
+#endif
+	drm_file_t *priv;
+
+	TAILQ_FOREACH(priv, &dev->files, link)
+		if (priv->pid == pid && priv->uid == uid)
+			return priv;
+	return NULL;
+}
+
+/* DRM(open) is called whenever a process opens /dev/drm. */
+
+int DRM(open_helper)(dev_t kdev, int flags, int fmt, DRM_OS_STRUCTPROC *p,
+		    drm_device_t *dev)
+{
+	int	     m = minor(kdev);
+	drm_file_t   *priv;
+
+	if (flags & O_EXCL)
+		return EBUSY; /* No exclusive opens */
+	dev->flags = flags;
+	if (!DRM(cpu_valid)())
+		DRM_OS_RETURN(EINVAL);
+
+	DRM_DEBUG("pid = %d, minor = %d\n", DRM_OS_CURRENTPID, m);
+
+	/* FIXME: linux mallocs and bzeros here */
+	priv = (drm_file_t *) DRM(find_file_by_proc)(dev, p);
+	if (priv) {
+		priv->refs++;
+	} else {
+		priv = (drm_file_t *) DRM(alloc)(sizeof(*priv), DRM_MEM_FILES);
+		bzero(priv, sizeof(*priv));
+#if __FreeBSD_version >= 500000
+		priv->uid		= p->td_proc->p_ucred->cr_svuid;
+		priv->pid		= p->td_proc->p_pid;
+#else
+		priv->uid		= p->p_cred->p_svuid;
+		priv->pid		= p->p_pid;
+#endif
+
+		priv->refs		= 1;
+		priv->minor		= m;
+		priv->devXX		= dev;
+		priv->ioctl_count 	= 0;
+		priv->authenticated	= !DRM_OS_CHECKSUSER;
+		lockmgr(&dev->dev_lock, LK_EXCLUSIVE, 0, p);
+		TAILQ_INSERT_TAIL(&dev->files, priv, link);
+		lockmgr(&dev->dev_lock, LK_RELEASE, 0, p);
+	}
+
+	kdev->si_drv1 = dev;
+
+
+	return 0;
+}
+
+
+/* The drm_read and drm_write_string code (especially that which manages
+   the circular buffer), is based on Alessandro Rubini's LINUX DEVICE
+   DRIVERS (Cambridge: O'Reilly, 1998), pages 111-113. */
+
+ssize_t DRM(read)(dev_t kdev, struct uio *uio, int ioflag)
+{
+	DRM_OS_DEVICE;
+	int	      left;
+	int	      avail;
+	int	      send;
+	int	      cur;
+	int           error = 0;
+
+	DRM_DEBUG("%p, %p\n", dev->buf_rp, dev->buf_wp);
+
+	while (dev->buf_rp == dev->buf_wp) {
+		DRM_DEBUG("  sleeping\n");
+		if (dev->flags & FASYNC)
+			return EWOULDBLOCK;
+		error = tsleep(&dev->buf_rp, PZERO|PCATCH, "drmrd", 0);
+		if (error) {
+			DRM_DEBUG("  interrupted\n");
+			return error;
+		}
+		DRM_DEBUG("  awake\n");
+	}
+
+	left  = (dev->buf_rp + DRM_BSZ - dev->buf_wp) % DRM_BSZ;
+	avail = DRM_BSZ - left;
+	send  = DRM_MIN(avail, uio->uio_resid);
+
+	while (send) {
+		if (dev->buf_wp > dev->buf_rp) {
+			cur = DRM_MIN(send, dev->buf_wp - dev->buf_rp);
+		} else {
+			cur = DRM_MIN(send, dev->buf_end - dev->buf_rp);
+		}
+		error = uiomove(dev->buf_rp, cur, uio);
+		if (error)
+			break;
+		dev->buf_rp += cur;
+		if (dev->buf_rp == dev->buf_end) dev->buf_rp = dev->buf;
+		send -= cur;
+	}
+
+	wakeup(&dev->buf_wp);
+	return error;
+}
+
+int DRM(write_string)(drm_device_t *dev, const char *s)
+{
+	int left   = (dev->buf_rp + DRM_BSZ - dev->buf_wp) % DRM_BSZ;
+	int send   = strlen(s);
+	int count;
+
+	DRM_DEBUG("%d left, %d to send (%p, %p)\n",
+		  left, send, dev->buf_rp, dev->buf_wp);
+
+	if (left == 1 || dev->buf_wp != dev->buf_rp) {
+		DRM_ERROR("Buffer not empty (%d left, wp = %p, rp = %p)\n",
+			  left,
+			  dev->buf_wp,
+			  dev->buf_rp);
+	}
+
+	while (send) {
+		if (dev->buf_wp >= dev->buf_rp) {
+			count = DRM_MIN(send, dev->buf_end - dev->buf_wp);
+			if (count == left) --count; /* Leave a hole */
+		} else {
+			count = DRM_MIN(send, dev->buf_rp - dev->buf_wp - 1);
+		}
+		strncpy(dev->buf_wp, s, count);
+		dev->buf_wp += count;
+		if (dev->buf_wp == dev->buf_end) dev->buf_wp = dev->buf;
+		send -= count;
+	}
+
+	if (dev->buf_selecting) {
+		dev->buf_selecting = 0;
+		selwakeup(&dev->buf_sel);
+	}
+		
+	DRM_DEBUG("dev->buf_sigio=%p\n", dev->buf_sigio);
+	if (dev->buf_sigio) {
+		DRM_DEBUG("dev->buf_sigio->sio_pgid=%d\n", dev->buf_sigio->sio_pgid);
+		pgsigio(dev->buf_sigio, SIGIO, 0);
+	}
+	DRM_DEBUG("waking\n");
+	wakeup(&dev->buf_rp);
+
+	return 0;
+}
+
+int DRM(poll)(dev_t kdev, int events, DRM_OS_STRUCTPROC *p)
+{
+	drm_device_t  *dev    = kdev->si_drv1;
+	int           s;
+	int	      revents = 0;
+
+	s = spldrm();
+	if (events & (POLLIN | POLLRDNORM)) {
+		int left  = (dev->buf_rp + DRM_BSZ - dev->buf_wp) % DRM_BSZ;
+		if (left > 0)
+			revents |= events & (POLLIN | POLLRDNORM);
+		else
+			selrecord(p, &dev->buf_sel);
+	}
+	splx(s);
+
+	return revents;
+}
+
+int DRM(write)(dev_t kdev, struct uio *uio, int ioflag)
+{
+        DRM_DEBUG("pid = %d, device = %p, open_count = %d\n",
+                  curproc->p_pid, ((drm_device_t *)kdev->si_drv1)->device, ((drm_device_t *)kdev->si_drv1)->open_count);
+        return 0;
+}
diff --git a/bsd-core/drm_ioctl.c b/bsd-core/drm_ioctl.c
new file mode 100644
index 00000000..1e8281e6
--- /dev/null
+++ b/bsd-core/drm_ioctl.c
@@ -0,0 +1,237 @@
+/* drm_ioctl.h -- IOCTL processing for DRM -*- linux-c -*-
+ * Created: Fri Jan  8 09:01:26 1999 by faith@valinux.com
+ *
+ * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Rickard E. (Rik) Faith <faith@valinux.com>
+ *    Gareth Hughes <gareth@valinux.com>
+ */
+
+#define __NO_VERSION__
+#include "drmP.h"
+#include <sys/bus.h>
+#include <pci/pcivar.h>
+
+int DRM(irq_busid)( DRM_OS_IOCTL )
+{
+	drm_irq_busid_t id;
+	devclass_t pci;
+	device_t bus, dev;
+	device_t *kids;
+	int error, i, num_kids;
+
+	DRM_OS_KRNFROMUSR( id, (drm_irq_busid_t *)data, sizeof(id) );
+
+	pci = devclass_find("pci");
+	if (!pci)
+		return ENOENT;
+	bus = devclass_get_device(pci, id.busnum);
+	if (!bus)
+		return ENOENT;
+	error = device_get_children(bus, &kids, &num_kids);
+	if (error)
+		return error;
+
+	dev = 0;
+	for (i = 0; i < num_kids; i++) {
+		dev = kids[i];
+		if (pci_get_slot(dev) == id.devnum
+		    && pci_get_function(dev) == id.funcnum)
+			break;
+	}
+
+	free(kids, M_TEMP);
+
+	if (i != num_kids)
+		id.irq = pci_get_irq(dev);
+	else
+		id.irq = 0;
+	DRM_DEBUG("%d:%d:%d => IRQ %d\n",
+		  id.busnum, id.devnum, id.funcnum, id.irq);
+	
+	DRM_OS_KRNTOUSR( (drm_irq_busid_t *)data, id, sizeof(id) );
+
+	return 0;
+}
+
+int DRM(getunique)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_unique_t	 u;
+
+	DRM_OS_KRNFROMUSR( u, (drm_unique_t *)data, sizeof(u) );
+
+	if (u.unique_len >= dev->unique_len) {
+		if (DRM_OS_COPYTOUSR(u.unique, dev->unique, dev->unique_len))
+			DRM_OS_RETURN(EFAULT);
+	}
+	u.unique_len = dev->unique_len;
+
+	DRM_OS_KRNTOUSR( (drm_unique_t *)data, u, sizeof(u) );
+
+	return 0;
+}
+
+int DRM(setunique)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_unique_t	 u;
+
+	if (dev->unique_len || dev->unique)
+		DRM_OS_RETURN(EBUSY);
+
+	DRM_OS_KRNFROMUSR( u, (drm_unique_t *)data, sizeof(u) );
+
+	if (!u.unique_len || u.unique_len > 1024)
+		DRM_OS_RETURN(EINVAL);
+
+	dev->unique_len = u.unique_len;
+	dev->unique	= DRM(alloc)(u.unique_len + 1, DRM_MEM_DRIVER);
+
+	if(!dev->unique) DRM_OS_RETURN(ENOMEM);
+
+	if (DRM_OS_COPYFROMUSR(dev->unique, u.unique, dev->unique_len))
+		DRM_OS_RETURN(EFAULT);
+
+	dev->unique[dev->unique_len] = '\0';
+
+	dev->devname = DRM(alloc)(strlen(dev->name) + strlen(dev->unique) + 2,
+				  DRM_MEM_DRIVER);
+	if(!dev->devname) {
+		DRM(free)(dev->devname, sizeof(*dev->devname), DRM_MEM_DRIVER);
+		DRM_OS_RETURN(ENOMEM);
+	}
+	sprintf(dev->devname, "%s@%s", dev->name, dev->unique);
+
+
+	return 0;
+}
+
+
+int DRM(getmap)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_map_t    map;
+	drm_map_t    *mapinlist;
+	drm_map_list_entry_t *list;
+	int          idx;
+	int	     i = 0;
+
+	DRM_OS_KRNFROMUSR( map, (drm_map_t *)data, sizeof(map) );
+
+	idx = map.offset;
+
+	DRM_OS_LOCK;
+	if (idx < 0 || idx >= dev->map_count) {
+		DRM_OS_UNLOCK;
+		DRM_OS_RETURN(EINVAL);
+	}
+
+	TAILQ_FOREACH(list, dev->maplist, link) {
+		mapinlist = list->map;
+		if (i==idx) {
+			map.offset = mapinlist->offset;
+			map.size   = mapinlist->size;
+			map.type   = mapinlist->type;
+			map.flags  = mapinlist->flags;
+			map.handle = mapinlist->handle;
+			map.mtrr   = mapinlist->mtrr;
+			break;
+		}
+		i++;
+	}
+
+	DRM_OS_UNLOCK;
+
+ 	if (!list)
+		return EINVAL;
+
+	DRM_OS_KRNTOUSR( (drm_map_t *)data, map, sizeof(map) );
+
+	return 0;
+}
+
+int DRM(getclient)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_client_t client;
+	drm_file_t   *pt;
+	int          idx;
+	int          i = 0;
+
+	DRM_OS_KRNFROMUSR( client, (drm_client_t *)data, sizeof(client) );
+
+	idx = client.idx;
+	DRM_OS_LOCK;
+	TAILQ_FOREACH(pt, &dev->files, link) {
+		if (i==idx)
+		{
+			client.auth  = pt->authenticated;
+			client.pid   = pt->pid;
+			client.uid   = pt->uid;
+			client.magic = pt->magic;
+			client.iocs  = pt->ioctl_count;
+			DRM_OS_UNLOCK;
+
+			*(drm_client_t *)data = client;
+			return 0;
+		}
+		i++;
+	}
+	DRM_OS_UNLOCK;
+
+	DRM_OS_KRNTOUSR( (drm_client_t *)data, client, sizeof(client) );
+
+	return 0;
+}
+
+int DRM(getstats)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_stats_t  stats;
+	int          i;
+
+	memset(&stats, 0, sizeof(stats));
+	
+	DRM_OS_LOCK;
+
+	for (i = 0; i < dev->counters; i++) {
+		if (dev->types[i] == _DRM_STAT_LOCK)
+			stats.data[i].value
+				= (dev->lock.hw_lock
+				   ? dev->lock.hw_lock->lock : 0);
+		else 
+			stats.data[i].value = atomic_read(&dev->counts[i]);
+		stats.data[i].type  = dev->types[i];
+	}
+	
+	stats.count = dev->counters;
+
+	DRM_OS_UNLOCK;
+
+	DRM_OS_KRNTOUSR( (drm_stats_t *)data, stats, sizeof(stats) );
+
+	return 0;
+}
diff --git a/bsd-core/drm_lock.c b/bsd-core/drm_lock.c
new file mode 100644
index 00000000..863a228c
--- /dev/null
+++ b/bsd-core/drm_lock.c
@@ -0,0 +1,244 @@
+/* lock.c -- IOCTLs for locking -*- linux-c -*-
+ * Created: Tue Feb  2 08:37:54 1999 by faith@valinux.com
+ *
+ * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Rickard E. (Rik) Faith <faith@valinux.com>
+ *    Gareth Hughes <gareth@valinux.com>
+ */
+
+#define __NO_VERSION__
+#include "drmP.h"
+
+int DRM(block)( DRM_OS_IOCTL )
+{
+	DRM_DEBUG("\n");
+	return 0;
+}
+
+int DRM(unblock)( DRM_OS_IOCTL )
+{
+	DRM_DEBUG("\n");
+	return 0;
+}
+
+int DRM(lock_take)(__volatile__ unsigned int *lock, unsigned int context)
+{
+	unsigned int old, new;
+
+	char failed;
+
+	do {
+		old = *lock;
+		if (old & _DRM_LOCK_HELD) new = old | _DRM_LOCK_CONT;
+		else			  new = context | _DRM_LOCK_HELD;
+		_DRM_CAS(lock, old, new, failed);
+	} while (failed);
+	if (_DRM_LOCKING_CONTEXT(old) == context) {
+		if (old & _DRM_LOCK_HELD) {
+			if (context != DRM_KERNEL_CONTEXT) {
+				DRM_ERROR("%d holds heavyweight lock\n",
+					  context);
+			}
+			return 0;
+		}
+	}
+	if (new == (context | _DRM_LOCK_HELD)) {
+				/* Have lock */
+		return 1;
+	}
+	return 0;
+}
+
+/* This takes a lock forcibly and hands it to context.	Should ONLY be used
+   inside *_unlock to give lock to kernel before calling *_dma_schedule. */
+int DRM(lock_transfer)(drm_device_t *dev,
+		       __volatile__ unsigned int *lock, unsigned int context)
+{
+	unsigned int old, new;
+	char failed;
+
+	dev->lock.pid = 0;
+	do {
+		old  = *lock;
+		new  = context | _DRM_LOCK_HELD;
+		_DRM_CAS(lock, old, new, failed);
+	} while (failed);
+	return 1;
+}
+
+int DRM(lock_free)(drm_device_t *dev,
+		   __volatile__ unsigned int *lock, unsigned int context)
+{
+	unsigned int old, new;
+	pid_t        pid = dev->lock.pid;
+	char failed;
+
+	dev->lock.pid = 0;
+	do {
+		old  = *lock;
+		new  = 0;
+		_DRM_CAS(lock, old, new, failed);
+	} while (failed);
+	if (_DRM_LOCK_IS_HELD(old) && _DRM_LOCKING_CONTEXT(old) != context) {
+		DRM_ERROR("%d freed heavyweight lock held by %d (pid %d)\n",
+			  context,
+			  _DRM_LOCKING_CONTEXT(old),
+			  pid);
+		return 1;
+	}
+	DRM_OS_WAKEUP_INT(&dev->lock.lock_queue);
+	return 0;
+}
+
+static int DRM(flush_queue)(drm_device_t *dev, int context)
+{
+	int               error;
+	int		  ret	= 0;
+	drm_queue_t	  *q	= dev->queuelist[context];
+
+	DRM_DEBUG("\n");
+
+	atomic_inc(&q->use_count);
+	if (atomic_read(&q->use_count) > 1) {
+		atomic_inc(&q->block_write);
+		atomic_inc(&q->block_count);
+		error = tsleep(&q->flush_queue, PZERO|PCATCH, "drmfq", 0);
+		if (error)
+			return error;
+		atomic_dec(&q->block_count);
+	}
+	atomic_dec(&q->use_count);
+
+				/* NOTE: block_write is still incremented!
+				   Use drm_flush_unlock_queue to decrement. */
+	return ret;
+}
+
+static int DRM(flush_unblock_queue)(drm_device_t *dev, int context)
+{
+	drm_queue_t	  *q	= dev->queuelist[context];
+
+	DRM_DEBUG("\n");
+
+	atomic_inc(&q->use_count);
+	if (atomic_read(&q->use_count) > 1) {
+		if (atomic_read(&q->block_write)) {
+			atomic_dec(&q->block_write);
+			DRM_OS_WAKEUP_INT(&q->write_queue);
+		}
+	}
+	atomic_dec(&q->use_count);
+	return 0;
+}
+
+int DRM(flush_block_and_flush)(drm_device_t *dev, int context,
+			       drm_lock_flags_t flags)
+{
+	int ret = 0;
+	int i;
+
+	DRM_DEBUG("\n");
+
+	if (flags & _DRM_LOCK_FLUSH) {
+		ret = DRM(flush_queue)(dev, DRM_KERNEL_CONTEXT);
+		if (!ret) ret = DRM(flush_queue)(dev, context);
+	}
+	if (flags & _DRM_LOCK_FLUSH_ALL) {
+		for (i = 0; !ret && i < dev->queue_count; i++) {
+			ret = DRM(flush_queue)(dev, i);
+		}
+	}
+	return ret;
+}
+
+int DRM(flush_unblock)(drm_device_t *dev, int context, drm_lock_flags_t flags)
+{
+	int ret = 0;
+	int i;
+
+	DRM_DEBUG("\n");
+
+	if (flags & _DRM_LOCK_FLUSH) {
+		ret = DRM(flush_unblock_queue)(dev, DRM_KERNEL_CONTEXT);
+		if (!ret) ret = DRM(flush_unblock_queue)(dev, context);
+	}
+	if (flags & _DRM_LOCK_FLUSH_ALL) {
+		for (i = 0; !ret && i < dev->queue_count; i++) {
+			ret = DRM(flush_unblock_queue)(dev, i);
+		}
+	}
+
+	return ret;
+}
+
+int DRM(finish)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	int		  ret	  = 0;
+	drm_lock_t	  lock;
+
+	DRM_DEBUG("\n");
+
+	DRM_OS_KRNFROMUSR( lock, (drm_lock_t *)data, sizeof(lock) );
+
+	ret = DRM(flush_block_and_flush)(dev, lock.context, lock.flags);
+	DRM(flush_unblock)(dev, lock.context, lock.flags);
+	return ret;
+}
+
+/* If we get here, it means that the process has called DRM_IOCTL_LOCK
+   without calling DRM_IOCTL_UNLOCK.
+
+   If the lock is not held, then let the signal proceed as usual.
+
+   If the lock is held, then set the contended flag and keep the signal
+   blocked.
+
+
+   Return 1 if the signal should be delivered normally.
+   Return 0 if the signal should be blocked.  */
+
+int DRM(notifier)(void *priv)
+{
+	drm_sigdata_t *s = (drm_sigdata_t *)priv;
+	unsigned int  old, new;
+	char failed;
+
+
+				/* Allow signal delivery if lock isn't held */
+	if (!_DRM_LOCK_IS_HELD(s->lock->lock)
+	    || _DRM_LOCKING_CONTEXT(s->lock->lock) != s->context) return 1;
+
+				/* Otherwise, set flag to force call to
+                                   drmUnlock */
+	do {
+		old  = s->lock->lock;
+		new  = old | _DRM_LOCK_CONT;
+		_DRM_CAS(&s->lock->lock, old, new, failed);
+	} while (failed);
+	return 0;
+}
+
diff --git a/bsd-core/drm_memory.c b/bsd-core/drm_memory.c
new file mode 100644
index 00000000..605b42ae
--- /dev/null
+++ b/bsd-core/drm_memory.c
@@ -0,0 +1,433 @@
+/* drm_memory.h -- Memory management wrappers for DRM -*- linux-c -*-
+ * Created: Thu Feb  4 14:00:34 1999 by faith@valinux.com
+ *
+ * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Rickard E. (Rik) Faith <faith@valinux.com>
+ *    Gareth Hughes <gareth@valinux.com>
+ */
+
+#define __NO_VERSION__
+#include "drmP.h"
+#include <vm/vm.h>
+#include <vm/pmap.h>
+#if __REALLY_HAVE_AGP
+#include <sys/agpio.h>
+#endif
+
+#define malloctype DRM(M_DRM)
+/* The macros confliced in the MALLOC_DEFINE */
+
+MALLOC_DEFINE(malloctype, "drm", "DRM Data Structures");
+
+#undef malloctype
+
+typedef struct drm_mem_stats {
+	const char	  *name;
+	int		  succeed_count;
+	int		  free_count;
+	int		  fail_count;
+	unsigned long	  bytes_allocated;
+	unsigned long	  bytes_freed;
+} drm_mem_stats_t;
+
+static DRM_OS_SPINTYPE	  DRM(mem_lock);
+static unsigned long	  DRM(ram_available) = 0; /* In pages */
+static unsigned long	  DRM(ram_used)      = 0;
+static drm_mem_stats_t	  DRM(mem_stats)[]   = {
+	[DRM_MEM_DMA]	    = { "dmabufs"  },
+	[DRM_MEM_SAREA]	    = { "sareas"   },
+	[DRM_MEM_DRIVER]    = { "driver"   },
+	[DRM_MEM_MAGIC]	    = { "magic"	   },
+	[DRM_MEM_IOCTLS]    = { "ioctltab" },
+	[DRM_MEM_MAPS]	    = { "maplist"  },
+	[DRM_MEM_VMAS]	    = { "vmalist"  },
+	[DRM_MEM_BUFS]	    = { "buflist"  },
+	[DRM_MEM_SEGS]	    = { "seglist"  },
+	[DRM_MEM_PAGES]	    = { "pagelist" },
+	[DRM_MEM_FILES]	    = { "files"	   },
+	[DRM_MEM_QUEUES]    = { "queues"   },
+	[DRM_MEM_CMDS]	    = { "commands" },
+	[DRM_MEM_MAPPINGS]  = { "mappings" },
+	[DRM_MEM_BUFLISTS]  = { "buflists" },
+	[DRM_MEM_AGPLISTS]  = { "agplist"  },
+	[DRM_MEM_SGLISTS]   = { "sglist"   },
+	[DRM_MEM_TOTALAGP]  = { "totalagp" },
+	[DRM_MEM_BOUNDAGP]  = { "boundagp" },
+	[DRM_MEM_CTXBITMAP] = { "ctxbitmap"},
+	[DRM_MEM_STUB]      = { "stub"     },
+	{ NULL, 0, }		/* Last entry must be null */
+};
+
+void DRM(mem_init)(void)
+{
+	drm_mem_stats_t *mem;
+
+	DRM_OS_SPININIT(DRM(mem_lock), "drm memory");
+
+	for (mem = DRM(mem_stats); mem->name; ++mem) {
+		mem->succeed_count   = 0;
+		mem->free_count	     = 0;
+		mem->fail_count	     = 0;
+		mem->bytes_allocated = 0;
+		mem->bytes_freed     = 0;
+	}
+
+	DRM(ram_available) = 0; /* si.totalram */
+	DRM(ram_used)	   = 0;
+}
+
+/* drm_mem_info is called whenever a process reads /dev/drm/mem. */
+
+static int DRM(_mem_info) DRM_SYSCTL_HANDLER_ARGS
+{
+	drm_mem_stats_t *pt;
+	char buf[128];
+	int error;
+
+	DRM_SYSCTL_PRINT("		  total counts			"
+		       " |    outstanding  \n");
+	DRM_SYSCTL_PRINT("type	   alloc freed fail	bytes	   freed"
+		       " | allocs      bytes\n\n");
+	DRM_SYSCTL_PRINT("%-9.9s %5d %5d %4d %10lu	    |\n",
+		       "system", 0, 0, 0, DRM(ram_available));
+	DRM_SYSCTL_PRINT("%-9.9s %5d %5d %4d %10lu	    |\n",
+		       "locked", 0, 0, 0, DRM(ram_used));
+	DRM_SYSCTL_PRINT("\n");
+	for (pt = DRM(mem_stats); pt->name; pt++) {
+		DRM_SYSCTL_PRINT("%-9.9s %5d %5d %4d %10lu %10lu | %6d %10ld\n",
+			       pt->name,
+			       pt->succeed_count,
+			       pt->free_count,
+			       pt->fail_count,
+			       pt->bytes_allocated,
+			       pt->bytes_freed,
+			       pt->succeed_count - pt->free_count,
+			       (long)pt->bytes_allocated
+			       - (long)pt->bytes_freed);
+	}
+	SYSCTL_OUT(req, "", 1);
+	
+	return 0;
+}
+
+int DRM(mem_info) DRM_SYSCTL_HANDLER_ARGS
+{
+	int ret;
+
+	DRM_OS_SPINLOCK(&DRM(mem_lock));
+	ret = DRM(_mem_info)(oidp, arg1, arg2, req);
+	DRM_OS_SPINUNLOCK(&DRM(mem_lock));
+	return ret;
+}
+
+void *DRM(alloc)(size_t size, int area)
+{
+	void *pt;
+
+	if (!size) {
+		DRM_MEM_ERROR(area, "Allocating 0 bytes\n");
+		return NULL;
+	}
+
+	if (!(pt = malloc(size, DRM(M_DRM), M_NOWAIT))) {
+		DRM_OS_SPINLOCK(&DRM(mem_lock));
+		++DRM(mem_stats)[area].fail_count;
+		DRM_OS_SPINUNLOCK(&DRM(mem_lock));
+		return NULL;
+	}
+	DRM_OS_SPINLOCK(&DRM(mem_lock));
+	++DRM(mem_stats)[area].succeed_count;
+	DRM(mem_stats)[area].bytes_allocated += size;
+	DRM_OS_SPINUNLOCK(&DRM(mem_lock));
+	return pt;
+}
+
+void *DRM(realloc)(void *oldpt, size_t oldsize, size_t size, int area)
+{
+	void *pt;
+
+	if (!(pt = DRM(alloc)(size, area))) return NULL;
+	if (oldpt && oldsize) {
+		memcpy(pt, oldpt, oldsize);
+		DRM(free)(oldpt, oldsize, area);
+	}
+	return pt;
+}
+
+char *DRM(strdup)(const char *s, int area)
+{
+	char *pt;
+	int	 length = s ? strlen(s) : 0;
+
+	if (!(pt = DRM(alloc)(length+1, area))) return NULL;
+	strcpy(pt, s);
+	return pt;
+}
+
+void DRM(strfree)(char *s, int area)
+{
+	unsigned int size;
+
+	if (!s) return;
+
+	size = 1 + strlen(s);
+	DRM(free)((void *)s, size, area);
+}
+
+void DRM(free)(void *pt, size_t size, int area)
+{
+	int alloc_count;
+	int free_count;
+
+	if (!pt) DRM_MEM_ERROR(area, "Attempt to free NULL pointer\n");
+	else     free(pt, DRM(M_DRM));
+	DRM_OS_SPINLOCK(&DRM(mem_lock));
+	DRM(mem_stats)[area].bytes_freed += size;
+	free_count  = ++DRM(mem_stats)[area].free_count;
+	alloc_count =	DRM(mem_stats)[area].succeed_count;
+	DRM_OS_SPINUNLOCK(&DRM(mem_lock));
+	if (free_count > alloc_count) {
+		DRM_MEM_ERROR(area, "Excess frees: %d frees, %d allocs\n",
+			      free_count, alloc_count);
+	}
+}
+
+unsigned long DRM(alloc_pages)(int order, int area)
+{
+	vm_offset_t address;
+	unsigned long bytes	  = PAGE_SIZE << order;
+
+
+	address = (vm_offset_t) contigmalloc(bytes, DRM(M_DRM), M_WAITOK, 0, ~0, 1, 0);
+	if (!address) {
+		DRM_OS_SPINLOCK(&DRM(mem_lock));
+		++DRM(mem_stats)[area].fail_count;
+		DRM_OS_SPINUNLOCK(&DRM(mem_lock));
+		return 0;
+	}
+	DRM_OS_SPINLOCK(&DRM(mem_lock));
+	++DRM(mem_stats)[area].succeed_count;
+	DRM(mem_stats)[area].bytes_allocated += bytes;
+	DRM(ram_used)		             += bytes;
+	DRM_OS_SPINUNLOCK(&DRM(mem_lock));
+
+
+				/* Zero outside the lock */
+	memset((void *)address, 0, bytes);
+
+
+	return address;
+}
+
+void DRM(free_pages)(unsigned long address, int order, int area)
+{
+	unsigned long bytes = PAGE_SIZE << order;
+	int		  alloc_count;
+	int		  free_count;
+
+	if (!address) {
+		DRM_MEM_ERROR(area, "Attempt to free address 0\n");
+	} else {
+		contigfree((void *) address, bytes, DRM(M_DRM));
+	}
+
+	DRM_OS_SPINLOCK(&DRM(mem_lock));
+	free_count  = ++DRM(mem_stats)[area].free_count;
+	alloc_count =	DRM(mem_stats)[area].succeed_count;
+	DRM(mem_stats)[area].bytes_freed += bytes;
+	DRM(ram_used)			 -= bytes;
+	DRM_OS_SPINUNLOCK(&DRM(mem_lock));
+	if (free_count > alloc_count) {
+		DRM_MEM_ERROR(area,
+			      "Excess frees: %d frees, %d allocs\n",
+			      free_count, alloc_count);
+	}
+}
+
+void *DRM(ioremap)(unsigned long offset, unsigned long size)
+{
+	void *pt;
+
+	if (!size) {
+		DRM_MEM_ERROR(DRM_MEM_MAPPINGS,
+			      "Mapping 0 bytes at 0x%08lx\n", offset);
+		return NULL;
+	}
+
+	if (!(pt = pmap_mapdev(offset, size))) {
+		DRM_OS_SPINLOCK(&DRM(mem_lock));
+		++DRM(mem_stats)[DRM_MEM_MAPPINGS].fail_count;
+		DRM_OS_SPINUNLOCK(&DRM(mem_lock));
+		return NULL;
+	}
+	DRM_OS_SPINLOCK(&DRM(mem_lock));
+	++DRM(mem_stats)[DRM_MEM_MAPPINGS].succeed_count;
+	DRM(mem_stats)[DRM_MEM_MAPPINGS].bytes_allocated += size;
+	DRM_OS_SPINUNLOCK(&DRM(mem_lock));
+	return pt;
+}
+
+void DRM(ioremapfree)(void *pt, unsigned long size)
+{
+	int alloc_count;
+	int free_count;
+
+	if (!pt)
+		DRM_MEM_ERROR(DRM_MEM_MAPPINGS,
+			      "Attempt to free NULL pointer\n");
+	else
+		pmap_unmapdev((vm_offset_t) pt, size);
+
+	DRM_OS_SPINLOCK(&DRM(mem_lock));
+	DRM(mem_stats)[DRM_MEM_MAPPINGS].bytes_freed += size;
+	free_count  = ++DRM(mem_stats)[DRM_MEM_MAPPINGS].free_count;
+	alloc_count =	DRM(mem_stats)[DRM_MEM_MAPPINGS].succeed_count;
+	DRM_OS_SPINUNLOCK(&DRM(mem_lock));
+	if (free_count > alloc_count) {
+		DRM_MEM_ERROR(DRM_MEM_MAPPINGS,
+			      "Excess frees: %d frees, %d allocs\n",
+			      free_count, alloc_count);
+	}
+}
+
+#if __REALLY_HAVE_AGP
+agp_memory *DRM(alloc_agp)(int pages, u32 type)
+{
+	agp_memory *handle;
+
+	if (!pages) {
+		DRM_MEM_ERROR(DRM_MEM_TOTALAGP, "Allocating 0 pages\n");
+		return NULL;
+	}
+
+	if ((handle = DRM(agp_allocate_memory)(pages, type))) {
+		DRM_OS_SPINLOCK(&DRM(mem_lock));
+		++DRM(mem_stats)[DRM_MEM_TOTALAGP].succeed_count;
+		DRM(mem_stats)[DRM_MEM_TOTALAGP].bytes_allocated
+			+= pages << PAGE_SHIFT;
+		DRM_OS_SPINUNLOCK(&DRM(mem_lock));
+		return handle;
+	}
+	DRM_OS_SPINLOCK(&DRM(mem_lock));
+	++DRM(mem_stats)[DRM_MEM_TOTALAGP].fail_count;
+	DRM_OS_SPINUNLOCK(&DRM(mem_lock));
+	return NULL;
+}
+
+int DRM(free_agp)(agp_memory *handle, int pages)
+{
+	int           alloc_count;
+	int           free_count;
+
+	if (!handle) {
+		DRM_MEM_ERROR(DRM_MEM_TOTALAGP,
+			      "Attempt to free NULL AGP handle\n");
+		DRM_OS_RETURN(EINVAL);
+	}
+
+	if (DRM(agp_free_memory)(handle)) {
+		DRM_OS_SPINLOCK(&DRM(mem_lock));
+		free_count  = ++DRM(mem_stats)[DRM_MEM_TOTALAGP].free_count;
+		alloc_count =   DRM(mem_stats)[DRM_MEM_TOTALAGP].succeed_count;
+		DRM(mem_stats)[DRM_MEM_TOTALAGP].bytes_freed
+			+= pages << PAGE_SHIFT;
+		DRM_OS_SPINUNLOCK(&DRM(mem_lock));
+		if (free_count > alloc_count) {
+			DRM_MEM_ERROR(DRM_MEM_TOTALAGP,
+				      "Excess frees: %d frees, %d allocs\n",
+				      free_count, alloc_count);
+		}
+		return 0;
+	}
+	DRM_OS_RETURN(EINVAL);
+}
+
+int DRM(bind_agp)(agp_memory *handle, unsigned int start)
+{
+	int retcode;
+	device_t dev = agp_find_device();
+	struct agp_memory_info info;
+
+	if (!dev)
+		return EINVAL;
+
+	if (!handle) {
+		DRM_MEM_ERROR(DRM_MEM_BOUNDAGP,
+			      "Attempt to bind NULL AGP handle\n");
+		DRM_OS_RETURN(EINVAL);
+	}
+
+	if (!(retcode = DRM(agp_bind_memory)(handle, start))) {
+		DRM_OS_SPINLOCK(&DRM(mem_lock));
+		++DRM(mem_stats)[DRM_MEM_BOUNDAGP].succeed_count;
+		agp_memory_info(dev, handle, &info);
+		DRM(mem_stats)[DRM_MEM_BOUNDAGP].bytes_allocated
+			+= info.ami_size;
+		DRM_OS_SPINUNLOCK(&DRM(mem_lock));
+		DRM_OS_RETURN(0);
+	}
+	DRM_OS_SPINLOCK(&DRM(mem_lock));
+	++DRM(mem_stats)[DRM_MEM_BOUNDAGP].fail_count;
+	DRM_OS_SPINUNLOCK(&DRM(mem_lock));
+	DRM_OS_RETURN(retcode);
+}
+
+int DRM(unbind_agp)(agp_memory *handle)
+{
+	int alloc_count;
+	int free_count;
+	int retcode = EINVAL;
+	device_t dev = agp_find_device();
+	struct agp_memory_info info;
+
+	if (!dev)
+		return EINVAL;
+
+	if (!handle) {
+		DRM_MEM_ERROR(DRM_MEM_BOUNDAGP,
+			      "Attempt to unbind NULL AGP handle\n");
+		DRM_OS_RETURN(retcode);
+	}
+
+	agp_memory_info(dev, handle, &info);
+
+	if ((retcode = DRM(agp_unbind_memory)(handle))) 
+		DRM_OS_RETURN(retcode);
+
+	DRM_OS_SPINLOCK(&DRM(mem_lock));
+	free_count  = ++DRM(mem_stats)[DRM_MEM_BOUNDAGP].free_count;
+	alloc_count = DRM(mem_stats)[DRM_MEM_BOUNDAGP].succeed_count;
+	DRM(mem_stats)[DRM_MEM_BOUNDAGP].bytes_freed
+		+= info.ami_size;
+	DRM_OS_SPINUNLOCK(&DRM(mem_lock));
+	if (free_count > alloc_count) {
+		DRM_MEM_ERROR(DRM_MEM_BOUNDAGP,
+			      "Excess frees: %d frees, %d allocs\n",
+			      free_count, alloc_count);
+	}
+	DRM_OS_RETURN(retcode);
+}
+#endif
diff --git a/bsd-core/drm_os_freebsd.h b/bsd-core/drm_os_freebsd.h
new file mode 100644
index 00000000..72c5baf6
--- /dev/null
+++ b/bsd-core/drm_os_freebsd.h
@@ -0,0 +1,375 @@
+#include <sys/param.h>
+#include <sys/queue.h>
+#include <sys/malloc.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+#include <sys/systm.h>
+#include <sys/conf.h>
+#include <sys/stat.h>
+#include <sys/proc.h>
+#include <sys/lock.h>
+#include <sys/fcntl.h>
+#include <sys/uio.h>
+#include <sys/filio.h>
+#include <sys/sysctl.h>
+#include <sys/select.h>
+#include <vm/vm.h>
+#include <vm/pmap.h>
+#include <machine/pmap.h>
+#if __FreeBSD_version >= 500000
+#include <sys/selinfo.h>
+#endif
+#include <sys/bus.h>
+#if __FreeBSD_version >= 400005
+#include <sys/taskqueue.h>
+#endif
+#if __FreeBSD_version >= 500000
+#include <sys/mutex.h>
+#endif
+
+#if __FreeBSD_version >= 400006
+#define __REALLY_HAVE_AGP	__HAVE_AGP
+#endif
+
+#define __REALLY_HAVE_MTRR	0
+#define __REALLY_HAVE_SG	0
+
+#if __REALLY_HAVE_AGP
+#include <pci/agpvar.h>
+#endif
+
+#define DRM_TIME_SLICE	      (hz/20)  /* Time slice for GLXContexts	  */
+
+#define DRM_DEV_MODE	(S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP)
+#define DRM_DEV_UID	0
+#define DRM_DEV_GID	0
+
+
+#if __FreeBSD_version >= 500000
+#define DRM_OS_SPINTYPE		struct mtx
+#define DRM_OS_SPININIT(l,name)	mtx_init(&l, name, MTX_DEF)
+#define DRM_OS_SPINLOCK(l)	mtx_lock(l)
+#define DRM_OS_SPINUNLOCK(u)	mtx_unlock(u);
+#define DRM_OS_LOCK	lockmgr(&dev->dev_lock, LK_EXCLUSIVE, 0, curthread)
+#define DRM_OS_UNLOCK 	lockmgr(&dev->dev_lock, LK_RELEASE, 0, curthread)
+#define DRM_OS_CURPROC		curthread
+#define DRM_OS_STRUCTPROC	struct thread
+#define DRM_OS_CURRENTPID       curthread->td_proc->p_pid
+#define DRM_OS_IOCTL 		dev_t kdev, u_long cmd, caddr_t data, int flags, struct thread *p
+#define DRM_OS_CHECKSUSER	suser(p->td_proc)
+#else
+#define DRM_OS_CURPROC		curproc
+#define DRM_OS_STRUCTPROC	struct proc
+#define DRM_OS_SPINTYPE		struct simplelock
+#define DRM_OS_SPININIT(l,name)	simple_lock_init(&l)
+#define DRM_OS_SPINLOCK(l)	simple_lock(l)
+#define DRM_OS_SPINUNLOCK(u)	simple_unlock(u);
+#define DRM_OS_IOCTL		dev_t kdev, u_long cmd, caddr_t data, int flags, struct proc *p
+#define DRM_OS_LOCK	lockmgr(&dev->dev_lock, LK_EXCLUSIVE, 0, curproc)
+#define DRM_OS_UNLOCK 	lockmgr(&dev->dev_lock, LK_RELEASE, 0, curproc)
+#define DRM_OS_CURRENTPID       curproc->p_pid
+#define DRM_OS_CHECKSUSER	suser(p)
+#endif
+
+#define DRM_OS_TASKQUEUE_ARGS	void *dev, int pending
+#define DRM_OS_IRQ_ARGS	void *device
+#define DRM_OS_DEVICE	drm_device_t	*dev	= kdev->si_drv1
+#define DRM_OS_MALLOC(size) malloc( size, DRM(M_DRM), M_NOWAIT )
+#define DRM_OS_FREE(pt) free( pt, DRM(M_DRM) )
+#define DRM_OS_VTOPHYS(addr) vtophys(addr)
+
+#define DRM_OS_PRIV					\
+	drm_file_t	*priv	= (drm_file_t *) DRM(find_file_by_proc)(dev, p); \
+	if (!priv) {						\
+		DRM_DEBUG("can't find authenticator\n");	\
+		return EINVAL;					\
+	}
+
+#define DRM_OS_DELAY( udelay )					\
+do {								\
+	struct timeval tv1, tv2;				\
+	microtime(&tv1);					\
+	do {							\
+		microtime(&tv2);				\
+	}							\
+	while (((tv2.tv_sec-tv1.tv_sec)*1000000 + tv2.tv_usec - tv1.tv_usec) < udelay ); \
+} while (0)
+
+#define DRM_OS_RETURN(v)	return v;
+
+
+#define DRM_OS_KRNTOUSR(arg1, arg2, arg3) \
+	*arg1 = arg2
+#define DRM_OS_KRNFROMUSR(arg1, arg2, arg3) \
+	arg1 = *arg2
+#define DRM_OS_COPYTOUSR(arg1, arg2, arg3) \
+	copyout(arg2, arg1, arg3)
+#define DRM_OS_COPYFROMUSR(arg1, arg2, arg3) \
+	copyin(arg2, arg1, arg3)
+
+#define DRM_OS_READMEMORYBARRIER \
+{												\
+   	int xchangeDummy;									\
+	DRM_DEBUG("%s\n", __FUNCTION__);							\
+   	__asm__ volatile(" push %%eax ; xchg %%eax, %0 ; pop %%eax" : : "m" (xchangeDummy));	\
+   	__asm__ volatile(" push %%eax ; push %%ebx ; push %%ecx ; push %%edx ;"			\
+			 " movl $0,%%eax ; cpuid ; pop %%edx ; pop %%ecx ; pop %%ebx ;"		\
+			 " pop %%eax" : /* no outputs */ :  /* no inputs */ );			\
+} while (0);
+
+#define DRM_OS_WRITEMEMORYBARRIER DRM_OS_READMEMORYBARRIER
+
+#define DRM_OS_WAKEUP(w) wakeup(w)
+#define DRM_OS_WAKEUP_INT(w) wakeup(w)
+
+#define PAGE_ALIGN(addr) (((addr)+PAGE_SIZE-1)&PAGE_MASK)
+
+#define malloctype DRM(M_DRM)
+/* The macros confliced in the MALLOC_DEFINE */
+MALLOC_DECLARE(malloctype);
+#undef malloctype
+
+typedef struct drm_chipinfo
+{
+	int vendor;
+	int device;
+	int supported;
+	char *name;
+} drm_chipinfo_t;
+
+typedef unsigned long atomic_t;
+typedef u_int32_t cycles_t;
+typedef u_int32_t spinlock_t;
+typedef u_int32_t u32;
+typedef u_int16_t u16;
+typedef u_int8_t u8;
+#define atomic_set(p, v)	(*(p) = (v))
+#define atomic_read(p)		(*(p))
+#define atomic_inc(p)		atomic_add_long(p, 1)
+#define atomic_dec(p)		atomic_subtract_long(p, 1)
+#define atomic_add(n, p)	atomic_add_long(p, n)
+#define atomic_sub(n, p)	atomic_subtract_long(p, n)
+
+/* Fake this */
+static __inline unsigned int
+test_and_set_bit(int b, volatile unsigned long *p)
+{
+	int s = splhigh();
+	unsigned int m = 1<<b;
+	unsigned int r = *p & m;
+	*p |= m;
+	splx(s);
+	return r;
+}
+
+static __inline void
+clear_bit(int b, volatile unsigned long *p)
+{
+    atomic_clear_long(p + (b >> 5), 1 << (b & 0x1f));
+}
+
+static __inline void
+set_bit(int b, volatile unsigned long *p)
+{
+    atomic_set_long(p + (b >> 5), 1 << (b & 0x1f));
+}
+
+static __inline int
+test_bit(int b, volatile unsigned long *p)
+{
+    return p[b >> 5] & (1 << (b & 0x1f));
+}
+
+static __inline int
+find_first_zero_bit(volatile unsigned long *p, int max)
+{
+    int b;
+
+    for (b = 0; b < max; b += 32) {
+	if (p[b >> 5] != ~0) {
+	    for (;;) {
+		if ((p[b >> 5] & (1 << (b & 0x1f))) == 0)
+		    return b;
+		b++;
+	    }
+	}
+    }
+    return max;
+}
+
+#define spldrm()		spltty()
+
+#define memset(p, v, s)		bzero(p, s)
+
+/*
+ * Fake out the module macros for versions of FreeBSD where they don't
+ * exist.
+ */
+#if (__FreeBSD_version < 500002 && __FreeBSD_version > 500000) || __FreeBSD_version < 420000
+/* FIXME: again, what's the exact date? */
+#define MODULE_VERSION(a,b)		struct __hack
+#define MODULE_DEPEND(a,b,c,d,e)	struct __hack
+
+#endif
+
+#define __drm_dummy_lock(lock) (*(__volatile__ unsigned int *)lock)
+#define _DRM_CAS(lock,old,new,__ret)				       \
+	do {							       \
+		int __dummy;	/* Can't mark eax as clobbered */      \
+		__asm__ __volatile__(				       \
+			"lock ; cmpxchg %4,%1\n\t"		       \
+			"setnz %0"				       \
+			: "=d" (__ret),				       \
+			  "=m" (__drm_dummy_lock(lock)),	       \
+			  "=a" (__dummy)			       \
+			: "2" (old),				       \
+			  "r" (new));				       \
+	} while (0)
+
+/* Redefinitions to make templating easy */
+#define wait_queue_head_t	long
+#define agp_memory		void
+#define jiffies			ticks
+
+				/* Macros to make printf easier */
+#define DRM_ERROR(fmt, arg...) \
+	printf("error: " "[" DRM_NAME ":" __FUNCTION__ "] *ERROR* " fmt , ##arg)
+#define DRM_MEM_ERROR(area, fmt, arg...) \
+	printf("error: " "[" DRM_NAME ":" __FUNCTION__ ":%s] *ERROR* " fmt , \
+	       DRM(mem_stats)[area].name , ##arg)
+#define DRM_INFO(fmt, arg...)  printf("info: " "[" DRM_NAME "] " fmt , ##arg)
+
+#if DRM_DEBUG_CODE
+#define DRM_DEBUG(fmt, arg...)						  \
+	do {								  \
+		if (DRM(flags) & DRM_FLAG_DEBUG)				  \
+			printf("[" DRM_NAME ":" __FUNCTION__ "] " fmt ,	  \
+			       ##arg);					  \
+	} while (0)
+#else
+#define DRM_DEBUG(fmt, arg...)		 do { } while (0)
+#endif
+
+#define DRM_PROC_LIMIT (PAGE_SIZE-80)
+
+#if (__FreeBSD_version >= 500000) || ((__FreeBSD_version < 500000) && (__FreeBSD_version >= 410002))
+#define DRM_SYSCTL_HANDLER_ARGS	(SYSCTL_HANDLER_ARGS)
+#else
+#define DRM_SYSCTL_HANDLER_ARGS	SYSCTL_HANDLER_ARGS
+#endif
+
+#define DRM_SYSCTL_PRINT(fmt, arg...)		\
+  snprintf(buf, sizeof(buf), fmt, ##arg);	\
+  error = SYSCTL_OUT(req, buf, strlen(buf));	\
+  if (error) return error;
+
+#define DRM_SYSCTL_PRINT_RET(ret, fmt, arg...)	\
+  snprintf(buf, sizeof(buf), fmt, ##arg);	\
+  error = SYSCTL_OUT(req, buf, strlen(buf));	\
+  if (error) { ret; return error; }
+
+
+#define DRM_FIND_MAP(dest, o)						\
+	do {								\
+		drm_map_list_entry_t *listentry;			\
+		TAILQ_FOREACH(listentry, dev->maplist, link) {		\
+			if ( listentry->map->offset == o ) {		\
+				dest = listentry->map;			\
+				break;					\
+			}						\
+		}							\
+	} while (0)
+
+
+/* Internal functions */
+
+/* drm_drv.h */
+extern d_ioctl_t	DRM(ioctl);
+extern d_ioctl_t	DRM(lock);
+extern d_ioctl_t	DRM(unlock);
+extern d_open_t		DRM(open);
+extern d_close_t	DRM(close);
+extern d_read_t		DRM(read);
+extern d_write_t	DRM(write);
+extern d_poll_t		DRM(poll);
+extern d_mmap_t		DRM(mmap);
+extern int		DRM(open_helper)(dev_t kdev, int flags, int fmt, 
+					 DRM_OS_STRUCTPROC *p, drm_device_t *dev);
+extern drm_file_t	*DRM(find_file_by_proc)(drm_device_t *dev, 
+					 DRM_OS_STRUCTPROC *p);
+
+/* Misc. IOCTL support (drm_ioctl.h) */
+extern d_ioctl_t	DRM(irq_busid);
+extern d_ioctl_t	DRM(getunique);
+extern d_ioctl_t	DRM(setunique);
+extern d_ioctl_t	DRM(getmap);
+extern d_ioctl_t	DRM(getclient);
+extern d_ioctl_t	DRM(getstats);
+
+/* Context IOCTL support (drm_context.h) */
+extern d_ioctl_t	DRM(resctx);
+extern d_ioctl_t	DRM(addctx);
+extern d_ioctl_t	DRM(modctx);
+extern d_ioctl_t	DRM(getctx);
+extern d_ioctl_t	DRM(switchctx);
+extern d_ioctl_t	DRM(newctx);
+extern d_ioctl_t	DRM(rmctx);
+extern d_ioctl_t	DRM(setsareactx);
+extern d_ioctl_t	DRM(getsareactx);
+
+/* Drawable IOCTL support (drm_drawable.h) */
+extern d_ioctl_t	DRM(adddraw);
+extern d_ioctl_t	DRM(rmdraw);
+
+/* Authentication IOCTL support (drm_auth.h) */
+extern d_ioctl_t	DRM(getmagic);
+extern d_ioctl_t	DRM(authmagic);
+
+/* Locking IOCTL support (drm_lock.h) */
+extern d_ioctl_t	DRM(block);
+extern d_ioctl_t	DRM(unblock);
+extern d_ioctl_t	DRM(finish);
+
+/* Buffer management support (drm_bufs.h) */
+extern d_ioctl_t	DRM(addmap);
+extern d_ioctl_t	DRM(rmmap);
+#if __HAVE_DMA
+extern d_ioctl_t	DRM(addbufs_agp);
+extern d_ioctl_t	DRM(addbufs_pci);
+extern d_ioctl_t	DRM(addbufs_sg);
+extern d_ioctl_t	DRM(addbufs);
+extern d_ioctl_t	DRM(infobufs);
+extern d_ioctl_t	DRM(markbufs);
+extern d_ioctl_t	DRM(freebufs);
+extern d_ioctl_t	DRM(mapbufs);
+#endif
+
+/* Memory management support (drm_memory.h) */
+extern int		DRM(mem_info) DRM_SYSCTL_HANDLER_ARGS;
+
+/* DMA support (drm_dma.h) */
+#if __HAVE_DMA_IRQ
+extern d_ioctl_t	DRM(control);
+#endif
+
+/* AGP/GART support (drm_agpsupport.h) */
+#if __REALLY_HAVE_AGP
+extern d_ioctl_t	DRM(agp_acquire);
+extern d_ioctl_t	DRM(agp_release);
+extern d_ioctl_t	DRM(agp_enable);
+extern d_ioctl_t	DRM(agp_info);
+extern d_ioctl_t	DRM(agp_alloc);
+extern d_ioctl_t	DRM(agp_free);
+extern d_ioctl_t	DRM(agp_unbind);
+extern d_ioctl_t	DRM(agp_bind);
+#endif
+
+/* Scatter Gather Support (drm_scatter.h) */
+#if __HAVE_SG
+extern d_ioctl_t	DRM(sg_alloc);
+extern d_ioctl_t	DRM(sg_free);
+#endif
+
+/* SysCtl Support (drm_sysctl.h) */
+extern int		DRM(sysctl_init)(drm_device_t *dev);
+extern int		DRM(sysctl_cleanup)(drm_device_t *dev);
diff --git a/bsd-core/drm_scatter.c b/bsd-core/drm_scatter.c
new file mode 100644
index 00000000..a6b8275f
--- /dev/null
+++ b/bsd-core/drm_scatter.c
@@ -0,0 +1,237 @@
+/* drm_scatter.h -- IOCTLs to manage scatter/gather memory -*- linux-c -*-
+ * Created: Mon Dec 18 23:20:54 2000 by gareth@valinux.com
+ *
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *   Gareth Hughes <gareth@valinux.com>
+ */
+
+#define __NO_VERSION__
+#include <linux/config.h>
+#include <linux/vmalloc.h>
+#include "drmP.h"
+
+#define DEBUG_SCATTER 0
+
+void DRM(sg_cleanup)( drm_sg_mem_t *entry )
+{
+	struct page *page;
+	int i;
+
+	for ( i = 0 ; i < entry->pages ; i++ ) {
+		page = entry->pagelist[i];
+		if ( page )
+			ClearPageReserved( page );
+	}
+
+	vfree( entry->virtual );
+
+	DRM(free)( entry->busaddr,
+		   entry->pages * sizeof(*entry->busaddr),
+		   DRM_MEM_PAGES );
+	DRM(free)( entry->pagelist,
+		   entry->pages * sizeof(*entry->pagelist),
+		   DRM_MEM_PAGES );
+	DRM(free)( entry,
+		   sizeof(*entry),
+		   DRM_MEM_SGLISTS );
+}
+
+int DRM(sg_alloc)( struct inode *inode, struct file *filp,
+		   unsigned int cmd, unsigned long arg )
+{
+	drm_file_t *priv = filp->private_data;
+	drm_device_t *dev = priv->dev;
+	drm_scatter_gather_t request;
+	drm_sg_mem_t *entry;
+	unsigned long pages, i, j;
+	pgd_t *pgd;
+	pmd_t *pmd;
+	pte_t *pte;
+
+	DRM_DEBUG( "%s\n", __FUNCTION__ );
+
+	if ( dev->sg )
+		return -EINVAL;
+
+	if ( copy_from_user( &request,
+			     (drm_scatter_gather_t *)arg,
+			     sizeof(request) ) )
+		return -EFAULT;
+
+	entry = DRM(alloc)( sizeof(*entry), DRM_MEM_SGLISTS );
+	if ( !entry )
+		return -ENOMEM;
+
+   	memset( entry, 0, sizeof(*entry) );
+
+	pages = (request.size + PAGE_SIZE - 1) / PAGE_SIZE;
+	DRM_DEBUG( "sg size=%ld pages=%ld\n", request.size, pages );
+
+	entry->pages = pages;
+	entry->pagelist = DRM(alloc)( pages * sizeof(*entry->pagelist),
+				     DRM_MEM_PAGES );
+	if ( !entry->pagelist ) {
+		DRM(free)( entry, sizeof(*entry), DRM_MEM_SGLISTS );
+		return -ENOMEM;
+	}
+
+	entry->busaddr = DRM(alloc)( pages * sizeof(*entry->busaddr),
+				     DRM_MEM_PAGES );
+	if ( !entry->busaddr ) {
+		DRM(free)( entry->pagelist,
+			   entry->pages * sizeof(*entry->pagelist),
+			   DRM_MEM_PAGES );
+		DRM(free)( entry,
+			   sizeof(*entry),
+			   DRM_MEM_SGLISTS );
+		return -ENOMEM;
+	}
+	memset( (void *)entry->busaddr, 0, pages * sizeof(*entry->busaddr) );
+
+	entry->virtual = vmalloc_32( pages << PAGE_SHIFT );
+	if ( !entry->virtual ) {
+		DRM(free)( entry->busaddr,
+			   entry->pages * sizeof(*entry->busaddr),
+			   DRM_MEM_PAGES );
+		DRM(free)( entry->pagelist,
+			   entry->pages * sizeof(*entry->pagelist),
+			   DRM_MEM_PAGES );
+		DRM(free)( entry,
+			   sizeof(*entry),
+			   DRM_MEM_SGLISTS );
+		return -ENOMEM;
+	}
+
+	/* This also forces the mapping of COW pages, so our page list
+	 * will be valid.  Please don't remove it...
+	 */
+	memset( entry->virtual, 0, pages << PAGE_SHIFT );
+
+	entry->handle = (unsigned long)entry->virtual;
+
+	DRM_DEBUG( "sg alloc handle  = %08lx\n", entry->handle );
+	DRM_DEBUG( "sg alloc virtual = %p\n", entry->virtual );
+
+	for ( i = entry->handle, j = 0 ; j < pages ; i += PAGE_SIZE, j++ ) {
+		pgd = pgd_offset_k( i );
+		if ( !pgd_present( *pgd ) )
+			goto failed;
+
+		pmd = pmd_offset( pgd, i );
+		if ( !pmd_present( *pmd ) )
+			goto failed;
+
+		pte = pte_offset( pmd, i );
+		if ( !pte_present( *pte ) )
+			goto failed;
+
+		entry->pagelist[j] = pte_page( *pte );
+
+		SetPageReserved( entry->pagelist[j] );
+	}
+
+	request.handle = entry->handle;
+
+	if ( copy_to_user( (drm_scatter_gather_t *)arg,
+			   &request,
+			   sizeof(request) ) ) {
+		DRM(sg_cleanup)( entry );
+		return -EFAULT;
+	}
+
+	dev->sg = entry;
+
+#if DEBUG_SCATTER
+	/* Verify that each page points to its virtual address, and vice
+	 * versa.
+	 */
+	{
+	int error = 0;
+
+	for ( i = 0 ; i < pages ; i++ ) {
+		unsigned long *tmp;
+
+		tmp = page_address( entry->pagelist[i] );
+		for ( j = 0 ;
+		      j < PAGE_SIZE / sizeof(unsigned long) ;
+		      j++, tmp++ ) {
+			*tmp = 0xcafebabe;
+		}
+		tmp = (unsigned long *)((u8 *)entry->virtual +
+					(PAGE_SIZE * i));
+		for( j = 0 ;
+		     j < PAGE_SIZE / sizeof(unsigned long) ;
+		     j++, tmp++ ) {
+			if ( *tmp != 0xcafebabe && error == 0 ) {
+				error = 1;
+				DRM_ERROR( "Scatter allocation error, "
+					   "pagelist does not match "
+					   "virtual mapping\n" );
+			}
+		}
+		tmp = page_address( entry->pagelist[i] );
+		for(j = 0 ;
+		    j < PAGE_SIZE / sizeof(unsigned long) ;
+		    j++, tmp++) {
+			*tmp = 0;
+		}
+	}
+	if (error == 0)
+		DRM_ERROR( "Scatter allocation matches pagelist\n" );
+	}
+#endif
+
+	return 0;
+
+ failed:
+	DRM(sg_cleanup)( entry );
+	return -ENOMEM;
+}
+
+int DRM(sg_free)( struct inode *inode, struct file *filp,
+		 unsigned int cmd, unsigned long arg )
+{
+	drm_file_t *priv = filp->private_data;
+	drm_device_t *dev = priv->dev;
+	drm_scatter_gather_t request;
+	drm_sg_mem_t *entry;
+
+	if ( copy_from_user( &request,
+			     (drm_scatter_gather_t *)arg,
+			     sizeof(request) ) )
+		return -EFAULT;
+
+	entry = dev->sg;
+	dev->sg = NULL;
+
+	if ( !entry || entry->handle != request.handle )
+		return -EINVAL;
+
+	DRM_DEBUG( "sg free virtual  = %p\n", entry->virtual );
+
+	DRM(sg_cleanup)( entry );
+
+	return 0;
+}
diff --git a/bsd-core/drm_sysctl.c b/bsd-core/drm_sysctl.c
new file mode 100644
index 00000000..02e4b28d
--- /dev/null
+++ b/bsd-core/drm_sysctl.c
@@ -0,0 +1,523 @@
+SYSCTL_NODE(_hw, OID_AUTO, dri, CTLFLAG_RW, 0, "DRI Graphics");
+
+static int	   DRM(name_info)DRM_SYSCTL_HANDLER_ARGS;
+static int	   DRM(vm_info)DRM_SYSCTL_HANDLER_ARGS;
+static int	   DRM(clients_info)DRM_SYSCTL_HANDLER_ARGS;
+static int	   DRM(queues_info)DRM_SYSCTL_HANDLER_ARGS;
+static int	   DRM(bufs_info)DRM_SYSCTL_HANDLER_ARGS;
+#if DRM_DEBUG_CODExx
+static int	   DRM(vma_info)DRM_SYSCTL_HANDLER_ARGS;
+#endif
+#if DRM_DMA_HISTOGRAM
+static int	   DRM(histo_info)DRM_SYSCTL_HANDLER_ARGS;
+#endif
+
+struct DRM(sysctl_list) {
+	const char *name;
+	int	   (*f) DRM_SYSCTL_HANDLER_ARGS;
+} DRM(sysctl_list)[] = {
+	{ "name",    DRM(name_info)    },
+	{ "mem",     DRM(mem_info)     },
+	{ "vm",	     DRM(vm_info)      },
+	{ "clients", DRM(clients_info) },
+	{ "queues",  DRM(queues_info)  },
+	{ "bufs",    DRM(bufs_info)    },
+#if DRM_DEBUG_CODExx
+	{ "vma",     DRM(vma_info)     },
+#endif
+#if DRM_DMA_HISTOGRAM
+	{ "histo",   drm_histo_info)   },
+#endif
+};
+#define DRM_SYSCTL_ENTRIES (sizeof(DRM(sysctl_list))/sizeof(DRM(sysctl_list)[0]))
+
+struct drm_sysctl_info {
+	struct sysctl_oid      oids[DRM_SYSCTL_ENTRIES + 1];
+	struct sysctl_oid_list list;
+	char		       name[2];
+};
+
+int DRM(sysctl_init)(drm_device_t *dev)
+{
+	struct drm_sysctl_info *info;
+	struct sysctl_oid *oid;
+	struct sysctl_oid *top;
+	int		  i;
+
+	/* Find the next free slot under hw.graphics */
+	i = 0;
+	SLIST_FOREACH(oid, &sysctl__hw_dri_children, oid_link) {
+		if (i <= oid->oid_arg2)
+			i = oid->oid_arg2 + 1;
+	}
+	
+	info = DRM(alloc)(sizeof *info, DRM_MEM_DRIVER);
+	dev->sysctl = info;
+
+	/* Construct the node under hw.graphics */
+	info->name[0] = '0' + i;
+	info->name[1] = 0;
+	oid = &info->oids[DRM_SYSCTL_ENTRIES];
+	bzero(oid, sizeof(*oid));
+	oid->oid_parent = &sysctl__hw_dri_children;
+	oid->oid_number = OID_AUTO;
+	oid->oid_kind = CTLTYPE_NODE | CTLFLAG_RW;
+	oid->oid_arg1 = &info->list;
+	oid->oid_arg2 = i;
+	oid->oid_name = info->name;
+	oid->oid_handler = 0;
+	oid->oid_fmt = "N";
+	SLIST_INIT(&info->list);
+	sysctl_register_oid(oid);
+	top = oid;
+
+	for (i = 0; i < DRM_SYSCTL_ENTRIES; i++) {
+		oid = &info->oids[i];
+		bzero(oid, sizeof(*oid));
+		oid->oid_parent = top->oid_arg1;
+		oid->oid_number = OID_AUTO;
+		oid->oid_kind = CTLTYPE_INT | CTLFLAG_RD;
+		oid->oid_arg1 = dev;
+		oid->oid_arg2 = 0;
+		oid->oid_name = DRM(sysctl_list)[i].name;
+		oid->oid_handler = DRM(sysctl_list[)i].f;
+		oid->oid_fmt = "A";
+		sysctl_register_oid(oid);
+	}
+
+	return 0;
+}
+
+int DRM(sysctl_cleanup)(drm_device_t *dev)
+{
+	int i;
+
+	DRM_DEBUG("dev->sysctl=%p\n", dev->sysctl);
+	for (i = 0; i < DRM_SYSCTL_ENTRIES + 1; i++)
+		sysctl_unregister_oid(&dev->sysctl->oids[i]);
+
+	DRM(free)(dev->sysctl, sizeof *dev->sysctl, DRM_MEM_DRIVER);
+	dev->sysctl = NULL;
+
+	return 0;
+}
+
+static int DRM(name_info)DRM_SYSCTL_HANDLER_ARGS
+{
+	drm_device_t *dev = arg1;
+	char buf[128];
+	int error;
+
+	if (dev->unique) {
+		DRM_SYSCTL_PRINT("%s 0x%x %s\n",
+			       dev->name, dev2udev(dev->devnode), dev->unique);
+	} else {
+		DRM_SYSCTL_PRINT("%s 0x%x\n", dev->name, dev2udev(dev->devnode));
+	}
+
+	SYSCTL_OUT(req, "", 1);
+
+	return 0;
+}
+
+static int DRM(_vm_info)DRM_SYSCTL_HANDLER_ARGS
+{
+	drm_device_t *dev = arg1;
+	drm_map_t    *map;
+	drm_map_list_entry_t    *listentry;
+	const char   *types[] = { "FB", "REG", "SHM" };
+	const char   *type;
+	int	     i=0;
+	char         buf[128];
+	int          error;
+
+	DRM_SYSCTL_PRINT("slot	 offset	      size type flags	 "
+			 "address mtrr\n\n");
+	error = SYSCTL_OUT(req, buf, strlen(buf));
+	if (error) return error;
+
+	if (dev->maplist != NULL) {
+		TAILQ_FOREACH(listentry, dev->maplist, link) {
+			map = listentry->map;
+			if (map->type < 0 || map->type > 2) type = "??";
+			else				    type = types[map->type];
+			DRM_SYSCTL_PRINT("%4d 0x%08lx 0x%08lx %4.4s  0x%02x 0x%08lx ",
+					 i,
+					 map->offset,
+					 map->size,
+					 type,
+					 map->flags,
+					 (unsigned long)map->handle);
+			if (map->mtrr < 0) {
+				DRM_SYSCTL_PRINT("none\n");
+			} else {
+				DRM_SYSCTL_PRINT("%4d\n", map->mtrr);
+			}
+			i++;
+		}
+	}
+	SYSCTL_OUT(req, "", 1);
+
+	return 0;
+}
+
+static int DRM(vm_info)DRM_SYSCTL_HANDLER_ARGS
+{
+	drm_device_t *dev = arg1;
+	int	     ret;
+
+	DRM_OS_LOCK;
+	ret = DRM(_vm_info)(oidp, arg1, arg2, req);
+	DRM_OS_UNLOCK;
+
+	return ret;
+}
+
+
+static int DRM(_queues_info)DRM_SYSCTL_HANDLER_ARGS
+{
+	drm_device_t *dev = arg1;
+	int	     i;
+	drm_queue_t  *q;
+	char         buf[128];
+	int          error;
+
+	DRM_SYSCTL_PRINT("  ctx/flags   use   fin"
+			 "   blk/rw/rwf  wait    flushed	   queued"
+			 "      locks\n\n");
+	for (i = 0; i < dev->queue_count; i++) {
+		q = dev->queuelist[i];
+		atomic_inc(&q->use_count);
+		DRM_SYSCTL_PRINT_RET(atomic_dec(&q->use_count),
+				     "%5d/0x%03x %5ld %5ld"
+				     " %5ld/%c%c/%c%c%c %5d %10ld %10ld %10ld\n",
+				     i,
+				     q->flags,
+				     atomic_read(&q->use_count),
+				     atomic_read(&q->finalization),
+				     atomic_read(&q->block_count),
+				     atomic_read(&q->block_read) ? 'r' : '-',
+				     atomic_read(&q->block_write) ? 'w' : '-',
+				     q->read_queue ? 'r':'-',
+				     q->write_queue ? 'w':'-',
+				     q->flush_queue ? 'f':'-',
+				     DRM_BUFCOUNT(&q->waitlist),
+				     atomic_read(&q->total_flushed),
+				     atomic_read(&q->total_queued),
+				     atomic_read(&q->total_locks));
+		atomic_dec(&q->use_count);
+	}
+
+	SYSCTL_OUT(req, "", 1);
+	return 0;
+}
+
+static int DRM(queues_info) DRM_SYSCTL_HANDLER_ARGS
+{
+	drm_device_t *dev = arg1;
+	int	     ret;
+
+	DRM_OS_LOCK;
+	ret = DRM(_queues_info)(oidp, arg1, arg2, req);
+	DRM_OS_UNLOCK;
+	return ret;
+}
+
+/* drm_bufs_info is called whenever a process reads
+   hw.dri.0.bufs. */
+
+static int DRM(_bufs_info) DRM_SYSCTL_HANDLER_ARGS
+{
+	drm_device_t	 *dev = arg1;
+	drm_device_dma_t *dma = dev->dma;
+	int		 i;
+	char             buf[128];
+	int              error;
+
+	if (!dma)	return 0;
+	DRM_SYSCTL_PRINT(" o     size count  free	 segs pages    kB\n\n");
+	for (i = 0; i <= DRM_MAX_ORDER; i++) {
+		if (dma->bufs[i].buf_count)
+			DRM_SYSCTL_PRINT("%2d %8d %5d %5ld %5d %5d %5d\n",
+				       i,
+				       dma->bufs[i].buf_size,
+				       dma->bufs[i].buf_count,
+				       atomic_read(&dma->bufs[i]
+						   .freelist.count),
+				       dma->bufs[i].seg_count,
+				       dma->bufs[i].seg_count
+				       *(1 << dma->bufs[i].page_order),
+				       (dma->bufs[i].seg_count
+					* (1 << dma->bufs[i].page_order))
+				       * PAGE_SIZE / 1024);
+	}
+	DRM_SYSCTL_PRINT("\n");
+	for (i = 0; i < dma->buf_count; i++) {
+		if (i && !(i%32)) DRM_SYSCTL_PRINT("\n");
+		DRM_SYSCTL_PRINT(" %d", dma->buflist[i]->list);
+	}
+	DRM_SYSCTL_PRINT("\n");
+
+	SYSCTL_OUT(req, "", 1);
+	return 0;
+}
+
+static int DRM(bufs_info) DRM_SYSCTL_HANDLER_ARGS
+{
+	drm_device_t *dev = arg1;
+	int	     ret;
+
+	DRM_OS_LOCK;
+	ret = DRM(_bufs_info)(oidp, arg1, arg2, req);
+	DRM_OS_UNLOCK;
+	return ret;
+}
+
+
+static int DRM(_clients_info) DRM_SYSCTL_HANDLER_ARGS
+{
+	drm_device_t *dev = arg1;
+	drm_file_t   *priv;
+	char         buf[128];
+	int          error;
+
+	DRM_SYSCTL_PRINT("a dev	pid    uid	magic	  ioctls\n\n");
+	TAILQ_FOREACH(priv, &dev->files, link) {
+		DRM_SYSCTL_PRINT("%c %3d %5d %5d %10u %10lu\n",
+			       priv->authenticated ? 'y' : 'n',
+			       priv->minor,
+			       priv->pid,
+			       priv->uid,
+			       priv->magic,
+			       priv->ioctl_count);
+	}
+
+	SYSCTL_OUT(req, "", 1);
+	return 0;
+}
+
+static int DRM(clients_info)DRM_SYSCTL_HANDLER_ARGS
+{
+	drm_device_t *dev = arg1;
+	int	     ret;
+
+	DRM_OS_LOCK;
+	ret = DRM(_clients_info)(oidp, arg1, arg2, req);
+	DRM_OS_UNLOCK;
+	return ret;
+}
+
+#if DRM_DEBUG_CODExx
+
+static int DRM(_vma_info)DRM_SYSCTL_HANDLER_ARGS
+{
+	drm_device_t	      *dev = arg1;
+	drm_vma_entry_t	      *pt;
+	pgd_t		      *pgd;
+	pmd_t		      *pmd;
+	pte_t		      *pte;
+	unsigned long	      i;
+	struct vm_area_struct *vma;
+	unsigned long	      address;
+#if defined(__i386__)
+	unsigned int	      pgprot;
+#endif
+	char		      buf[128];
+	int		      error;
+
+	DRM_SYSCTL_PRINT("vma use count: %d, high_memory = %p, 0x%08lx\n",
+		       atomic_read(&dev->vma_count),
+		       high_memory, virt_to_phys(high_memory));
+	for (pt = dev->vmalist; pt; pt = pt->next) {
+		if (!(vma = pt->vma)) continue;
+		DRM_SYSCTL_PRINT("\n%5d 0x%08lx-0x%08lx %c%c%c%c%c%c 0x%08lx",
+			       pt->pid,
+			       vma->vm_start,
+			       vma->vm_end,
+			       vma->vm_flags & VM_READ	   ? 'r' : '-',
+			       vma->vm_flags & VM_WRITE	   ? 'w' : '-',
+			       vma->vm_flags & VM_EXEC	   ? 'x' : '-',
+			       vma->vm_flags & VM_MAYSHARE ? 's' : 'p',
+			       vma->vm_flags & VM_LOCKED   ? 'l' : '-',
+			       vma->vm_flags & VM_IO	   ? 'i' : '-',
+			       vma->vm_offset );
+#if defined(__i386__)
+		pgprot = pgprot_val(vma->vm_page_prot);
+		DRM_SYSCTL_PRINT(" %c%c%c%c%c%c%c%c%c",
+			       pgprot & _PAGE_PRESENT  ? 'p' : '-',
+			       pgprot & _PAGE_RW       ? 'w' : 'r',
+			       pgprot & _PAGE_USER     ? 'u' : 's',
+			       pgprot & _PAGE_PWT      ? 't' : 'b',
+			       pgprot & _PAGE_PCD      ? 'u' : 'c',
+			       pgprot & _PAGE_ACCESSED ? 'a' : '-',
+			       pgprot & _PAGE_DIRTY    ? 'd' : '-',
+			       pgprot & _PAGE_4M       ? 'm' : 'k',
+			       pgprot & _PAGE_GLOBAL   ? 'g' : 'l' );
+#endif		
+		DRM_SYSCTL_PRINT("\n");
+		for (i = vma->vm_start; i < vma->vm_end; i += PAGE_SIZE) {
+			pgd = pgd_offset(vma->vm_mm, i);
+			pmd = pmd_offset(pgd, i);
+			pte = pte_offset(pmd, i);
+			if (pte_present(*pte)) {
+				address = __pa(pte_page(*pte))
+					+ (i & (PAGE_SIZE-1));
+				DRM_SYSCTL_PRINT("      0x%08lx -> 0x%08lx"
+					       " %c%c%c%c%c\n",
+					       i,
+					       address,
+					       pte_read(*pte)  ? 'r' : '-',
+					       pte_write(*pte) ? 'w' : '-',
+					       pte_exec(*pte)  ? 'x' : '-',
+					       pte_dirty(*pte) ? 'd' : '-',
+					       pte_young(*pte) ? 'a' : '-' );
+			} else {
+				DRM_SYSCTL_PRINT("      0x%08lx\n", i);
+			}
+		}
+	}
+	
+	SYSCTL_OUT(req, "", 1);
+	return 0;
+}
+
+static int DRM(vma_info)DRM_SYSCTL_HANDLER_ARGS
+{
+	drm_device_t *dev = arg1;
+	int	     ret;
+
+	DRM_OS_LOCK;
+	ret = DRM(_vma_info)(oidp, arg1, arg2, req);
+	DRM_OS_UNLOCK;
+	return ret;
+}
+#endif
+
+
+#if DRM_DMA_HISTOGRAM
+static int DRM(_histo_info)DRM_SYSCTL_HANDLER_ARGS
+{
+	drm_device_t	 *dev = arg1;
+	drm_device_dma_t *dma = dev->dma;
+	int		 i;
+	unsigned long	 slot_value = DRM_DMA_HISTOGRAM_INITIAL;
+	unsigned long	 prev_value = 0;
+	drm_buf_t	 *buffer;
+	char		 buf[128];
+	int              error;
+
+	DRM_SYSCTL_PRINT("general statistics:\n");
+	DRM_SYSCTL_PRINT("total	 %10u\n", atomic_read(&dev->histo.total));
+	DRM_SYSCTL_PRINT("open	 %10u\n", atomic_read(&dev->total_open));
+	DRM_SYSCTL_PRINT("close	 %10u\n", atomic_read(&dev->total_close));
+	DRM_SYSCTL_PRINT("ioctl	 %10u\n", atomic_read(&dev->total_ioctl));
+	DRM_SYSCTL_PRINT("irq	 %10u\n", atomic_read(&dev->total_irq));
+	DRM_SYSCTL_PRINT("ctx	 %10u\n", atomic_read(&dev->total_ctx));
+	
+	DRM_SYSCTL_PRINT("\nlock statistics:\n");
+	DRM_SYSCTL_PRINT("locks	 %10u\n", atomic_read(&dev->total_locks));
+	DRM_SYSCTL_PRINT("unlocks	 %10u\n", atomic_read(&dev->total_unlocks));
+	DRM_SYSCTL_PRINT("contends %10u\n", atomic_read(&dev->total_contends));
+	DRM_SYSCTL_PRINT("sleeps	 %10u\n", atomic_read(&dev->total_sleeps));
+
+
+	if (dma) {
+		DRM_SYSCTL_PRINT("\ndma statistics:\n");
+		DRM_SYSCTL_PRINT("prio	 %10u\n",
+			       atomic_read(&dma->total_prio));
+		DRM_SYSCTL_PRINT("bytes	 %10u\n",
+			       atomic_read(&dma->total_bytes));
+		DRM_SYSCTL_PRINT("dmas	 %10u\n",
+			       atomic_read(&dma->total_dmas));
+		DRM_SYSCTL_PRINT("missed:\n");
+		DRM_SYSCTL_PRINT("  dma	 %10u\n",
+			       atomic_read(&dma->total_missed_dma));
+		DRM_SYSCTL_PRINT("  lock	 %10u\n",
+			       atomic_read(&dma->total_missed_lock));
+		DRM_SYSCTL_PRINT("  free	 %10u\n",
+			       atomic_read(&dma->total_missed_free));
+		DRM_SYSCTL_PRINT("  sched	 %10u\n",
+			       atomic_read(&dma->total_missed_sched));
+		DRM_SYSCTL_PRINT("tried	 %10u\n",
+			       atomic_read(&dma->total_tried));
+		DRM_SYSCTL_PRINT("hit	 %10u\n",
+			       atomic_read(&dma->total_hit));
+		DRM_SYSCTL_PRINT("lost	 %10u\n",
+			       atomic_read(&dma->total_lost));
+		
+		buffer = dma->next_buffer;
+		if (buffer) {
+			DRM_SYSCTL_PRINT("next_buffer %7d\n", buffer->idx);
+		} else {
+			DRM_SYSCTL_PRINT("next_buffer    none\n");
+		}
+		buffer = dma->this_buffer;
+		if (buffer) {
+			DRM_SYSCTL_PRINT("this_buffer %7d\n", buffer->idx);
+		} else {
+			DRM_SYSCTL_PRINT("this_buffer    none\n");
+		}
+	}
+	
+
+	DRM_SYSCTL_PRINT("\nvalues:\n");
+	if (dev->lock.hw_lock) {
+		DRM_SYSCTL_PRINT("lock	       0x%08x\n",
+			       dev->lock.hw_lock->lock);
+	} else {
+		DRM_SYSCTL_PRINT("lock		     none\n");
+	}
+	DRM_SYSCTL_PRINT("context_flag   0x%08x\n", dev->context_flag);
+	DRM_SYSCTL_PRINT("interrupt_flag 0x%08x\n", dev->interrupt_flag);
+	DRM_SYSCTL_PRINT("dma_flag       0x%08x\n", dev->dma_flag);
+
+	DRM_SYSCTL_PRINT("queue_count    %10d\n",	 dev->queue_count);
+	DRM_SYSCTL_PRINT("last_context   %10d\n",	 dev->last_context);
+	DRM_SYSCTL_PRINT("last_switch    %10u\n",	 dev->last_switch);
+	DRM_SYSCTL_PRINT("last_checked   %10d\n",	 dev->last_checked);
+		
+	
+	DRM_SYSCTL_PRINT("\n		       q2d	  d2c	     c2f"
+		       "	q2c	   q2f	      dma	 sch"
+		       "	ctx	  lacq	     lhld\n\n");
+	for (i = 0; i < DRM_DMA_HISTOGRAM_SLOTS; i++) {
+		DRM_SYSCTL_PRINT("%s %10lu %10u %10u %10u %10u %10u"
+			       " %10u %10u %10u %10u %10u\n",
+			       i == DRM_DMA_HISTOGRAM_SLOTS - 1 ? ">=" : "< ",
+			       i == DRM_DMA_HISTOGRAM_SLOTS - 1
+			       ? prev_value : slot_value ,
+			       
+			       atomic_read(&dev->histo
+					   .queued_to_dispatched[i]),
+			       atomic_read(&dev->histo
+					   .dispatched_to_completed[i]),
+			       atomic_read(&dev->histo
+					   .completed_to_freed[i]),
+			       
+			       atomic_read(&dev->histo
+					   .queued_to_completed[i]),
+			       atomic_read(&dev->histo
+					   .queued_to_freed[i]),
+			       atomic_read(&dev->histo.dma[i]),
+			       atomic_read(&dev->histo.schedule[i]),
+			       atomic_read(&dev->histo.ctx[i]),
+			       atomic_read(&dev->histo.lacq[i]),
+			       atomic_read(&dev->histo.lhld[i]));
+		prev_value = slot_value;
+		slot_value = DRM_DMA_HISTOGRAM_NEXT(slot_value);
+	}
+	SYSCTL_OUT(req, "", 1);
+	return 0;
+}
+
+static int DRM(histo_info)DRM_SYSCTL_HANDLER_ARGS
+{
+	drm_device_t *dev = arg1;
+	int	     ret;
+
+	DRM_OS_LOCK;
+	ret = _drm_histo_info(oidp, arg1, arg2, req);
+	DRM_OS_UNLOCK;
+	return ret;
+}
+#endif
diff --git a/bsd-core/drm_vm.c b/bsd-core/drm_vm.c
new file mode 100644
index 00000000..a06fb448
--- /dev/null
+++ b/bsd-core/drm_vm.c
@@ -0,0 +1,81 @@
+#include <vm/vm.h>
+#include <vm/pmap.h>
+
+static int DRM(dma_mmap)(dev_t kdev, vm_offset_t offset, int prot)
+{
+	drm_device_t	 *dev	 = kdev->si_drv1;
+	drm_device_dma_t *dma	 = dev->dma;
+	unsigned long	 physical;
+	unsigned long	 page;
+
+	if (!dma)		   return -1; /* Error */
+	if (!dma->pagelist)	   return -1; /* Nothing allocated */
+
+	page	 = offset >> PAGE_SHIFT;
+	physical = dma->pagelist[page];
+
+	DRM_DEBUG("0x%08x (page %lu) => 0x%08lx\n", offset, page, physical);
+	return atop(physical);
+}
+
+int DRM(mmap)(dev_t kdev, vm_offset_t offset, int prot)
+{
+	drm_device_t	*dev	= kdev->si_drv1;
+	drm_map_t	*map	= NULL;
+	drm_map_list_entry_t *listentry=NULL;
+	/*drm_file_t *priv;*/
+
+/*	DRM_DEBUG("offset = 0x%x\n", offset);*/
+
+	/*XXX Fixme */
+	/*priv = DRM(find_file_by_proc)(dev, p);
+	if (!priv) {
+		DRM_DEBUG("can't find authenticator\n");
+		return EINVAL;
+	}
+
+	if (!priv->authenticated) DRM_OS_RETURN(EACCES);*/
+
+	if (dev->dma
+	    && offset >= 0
+	    && offset < ptoa(dev->dma->page_count))
+		return DRM(dma_mmap)(kdev, offset, prot);
+
+				/* A sequential search of a linked list is
+				   fine here because: 1) there will only be
+				   about 5-10 entries in the list and, 2) a
+				   DRI client only has to do this mapping
+				   once, so it doesn't have to be optimized
+				   for performance, even if the list was a
+				   bit longer. */
+	TAILQ_FOREACH(listentry, dev->maplist, link) {
+		map = listentry->map;
+/*		DRM_DEBUG("considering 0x%x..0x%x\n", map->offset, map->offset + map->size - 1);*/
+		if (offset >= map->offset
+		    && offset < map->offset + map->size) break;
+	}
+	
+	if (!listentry) {
+		DRM_DEBUG("can't find map\n");
+		return -1;
+	}
+	if (((map->flags&_DRM_RESTRICTED) && suser(curproc))) {
+		DRM_DEBUG("restricted map\n");
+		return -1;
+	}
+
+	switch (map->type) {
+	case _DRM_FRAME_BUFFER:
+	case _DRM_REGISTERS:
+	case _DRM_AGP:
+		return atop(offset);
+	case _DRM_SHM:
+		return atop(vtophys(offset));
+	default:
+		return -1;	/* This should never happen. */
+	}
+	DRM_DEBUG("bailing out\n");
+	
+	return -1;
+}
+
diff --git a/bsd-core/mga/Makefile b/bsd-core/mga/Makefile
new file mode 100644
index 00000000..bbaeaa56
--- /dev/null
+++ b/bsd-core/mga/Makefile
@@ -0,0 +1,25 @@
+# $FreeBSD$
+
+KMOD= 	mga
+NOMAN=	YES
+SRCS=		mga_drv.c mga_state.c mga_warp.c mga_dma.c
+SRCS+=	device_if.h bus_if.h pci_if.h opt_drm_linux.h
+CFLAGS+=	${DEBUG_FLAGS} -I. -I..
+
+@:
+	ln -sf /sys @
+
+machine:
+	ln -sf /sys/i386/include machine
+
+.if ${MACHINE_ARCH} == "i386"
+# This line enables linux ioctl handling
+# If you want support for this uncomment this line
+#MGA_OPTS=     "\#define DRM_LINUX" 1
+.endif
+
+opt_drm_linux.h:
+	touch opt_drm_linux.h
+	echo $(MGA_OPTS) >> opt_drm_linux.h
+
+.include <bsd.kmod.mk>
diff --git a/bsd-core/r128/Makefile b/bsd-core/r128/Makefile
new file mode 100644
index 00000000..ae5622ed
--- /dev/null
+++ b/bsd-core/r128/Makefile
@@ -0,0 +1,25 @@
+# $FreeBSD$
+
+KMOD	= r128
+NOMAN=	YES
+SRCS    = r128_cce.c r128_drv.c r128_state.c
+SRCS   += device_if.h bus_if.h pci_if.h opt_drm_linux.h
+CFLAGS += ${DEBUG_FLAGS} -I. -I..
+
+@:
+	ln -sf /sys @
+
+machine:
+	ln -sf /sys/i386/include machine
+
+.if ${MACHINE_ARCH} == "i386"
+# This line enables linux ioctl handling
+# If you want support for this uncomment this line
+#R128_OPTS=     "\#define DRM_LINUX" 1
+.endif
+
+opt_drm_linux.h:
+	touch opt_drm_linux.h
+	echo $(R128_OPTS) >> opt_drm_linux.h
+
+.include <bsd.kmod.mk>
diff --git a/bsd-core/radeon/Makefile b/bsd-core/radeon/Makefile
new file mode 100644
index 00000000..b1d77bf4
--- /dev/null
+++ b/bsd-core/radeon/Makefile
@@ -0,0 +1,25 @@
+# $FreeBSD$
+
+KMOD	= radeon
+NOMAN=	YES
+SRCS    = radeon_cp.c radeon_drv.c radeon_state.c
+SRCS   += device_if.h bus_if.h pci_if.h opt_drm_linux.h
+CFLAGS += ${DEBUG_FLAGS} -I. -I..
+
+@:
+	ln -sf /sys @
+
+machine:
+	ln -sf /sys/i386/include machine
+
+.if ${MACHINE_ARCH} == "i386"
+# This line enables linux ioctl handling
+# If you want support for this uncomment this line
+#RADEON_OPTS=     "\#define DRM_LINUX" 1
+.endif
+
+opt_drm_linux.h:
+	touch opt_drm_linux.h
+	echo $(RADEON_OPTS) >> opt_drm_linux.h
+
+.include <bsd.kmod.mk>
diff --git a/bsd-core/tdfx/Makefile b/bsd-core/tdfx/Makefile
index 4362a5ba..d177ff60 100644
--- a/bsd-core/tdfx/Makefile
+++ b/bsd-core/tdfx/Makefile
@@ -1,10 +1,10 @@
 # $FreeBSD$
 
-KMOD	= tdfx
-SRCS    = tdfx_drv.c tdfx_context.c
-SRCS   += device_if.h bus_if.h pci_if.h
-CFLAGS += ${DEBUG_FLAGS} -I. -I..
-KMODDEPS = drm
+KMOD=	tdfx
+NOMAN=	YES
+SRCS=	tdfx_drv.c
+SRCS+=	device_if.h bus_if.h pci_if.h opt_drm_linux.h
+CFLAGS+=	${DEBUG_FLAGS} -I. -I.. 
 
 @:
 	ln -sf /sys @
@@ -12,4 +12,14 @@ KMODDEPS = drm
 machine:
 	ln -sf /sys/i386/include machine
 
+.if ${MACHINE_ARCH} == "i386"
+# This line enables linux ioctl handling
+# If you want support for this uncomment this line
+#TDFX_OPTS=     "\#define DRM_LINUX" 1
+.endif
+
+opt_drm_linux.h:
+	touch opt_drm_linux.h
+	echo $(TDFX_OPTS) >> opt_drm_linux.h
+
 .include <bsd.kmod.mk>
diff --git a/bsd/Imakefile b/bsd/Imakefile
index 0e11ec50..d18f1873 100644
--- a/bsd/Imakefile
+++ b/bsd/Imakefile
@@ -1,28 +1,4 @@
-XCOMM $XFree86: xc/programs/Xserver/hw/xfree86/os-support/bsd/drm/kernel/Imakefile,v 1.6 2001/04/18 14:52:43 dawes Exp $
-
-#include <Server.tmpl>
-
-#if 0
-LinkSourceFile(xf86drm.c,..)
-LinkSourceFile(xf86drmHash.c,..)
-LinkSourceFile(xf86drmRandom.c,..)
-LinkSourceFile(xf86drmSL.c,..)
-LinkSourceFile(xf86drm.h,$(XF86OSSRC))
-LinkSourceFile(xf86_OSproc.h,$(XF86OSSRC))
-LinkSourceFile(sigio.c,$(XF86OSSRC)/shared)
-#endif
-
-XCOMM Try to use the Linux version of the DRM headers.  This avoids skew
-XCOMM and missing headers.  If there's a need to break them out, they
-XCOMM can be re-added later.  If not, they can be moved to somewhere more
-XCOMM OS-independent and referenced from there.
-LinkSourceFile(drm.h,$(XF86OSSRC)/linux/drm/kernel)
-LinkSourceFile(i810_drm.h,$(XF86OSSRC)/linux/drm/kernel)
-LinkSourceFile(mga_drm.h,$(XF86OSSRC)/linux/drm/kernel)
-LinkSourceFile(r128_drm.h,$(XF86OSSRC)/linux/drm/kernel)
-LinkSourceFile(radeon_drm.h,$(XF86OSSRC)/linux/drm/kernel)
-LinkSourceFile(sis_drm.h,$(XF86OSSRC)/linux/drm/kernel)
-
+XCOMM $XFree86: xc/programs/Xserver/hw/xfree86/os-support/bsd/drm/kernel/Imakefile,v 1.8 2001/12/13 00:24:45 alanh Exp $
 
 XCOMM This is a kludge until we determine how best to build the
 XCOMM kernel-specific device driver.  This allows us to continue
@@ -37,7 +13,7 @@ install::
 	$(MAKE) -f Makefile.bsd install
 #else
 all::
-	@echo 'Use "make -f Makefile.bsd" to manually build drm.o'
+	@echo 'Use "make -f Makefile.bsd" to manually build the modules'
 #endif
 
 clean::
diff --git a/bsd/Makefile b/bsd/Makefile
index 61cba175..9c87d963 100644
--- a/bsd/Makefile
+++ b/bsd/Makefile
@@ -1,5 +1,6 @@
 # $FreeBSD$
 
-SUBDIR = drm tdfx mga gamma
+# i810, i830 & sis are not complete
+SUBDIR = tdfx mga r128 radeon gamma # i810 sis i830
 
 .include <bsd.subdir.mk>
diff --git a/bsd/Makefile.bsd b/bsd/Makefile.bsd
index 61cba175..9c87d963 100644
--- a/bsd/Makefile.bsd
+++ b/bsd/Makefile.bsd
@@ -1,5 +1,6 @@
 # $FreeBSD$
 
-SUBDIR = drm tdfx mga gamma
+# i810, i830 & sis are not complete
+SUBDIR = tdfx mga r128 radeon gamma # i810 sis i830
 
 .include <bsd.subdir.mk>
diff --git a/bsd/ati_pcigart.h b/bsd/ati_pcigart.h
new file mode 100644
index 00000000..8b486c10
--- /dev/null
+++ b/bsd/ati_pcigart.h
@@ -0,0 +1,197 @@
+/* ati_pcigart.h -- ATI PCI GART support -*- linux-c -*-
+ * Created: Wed Dec 13 21:52:19 2000 by gareth@valinux.com
+ *
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *   Gareth Hughes <gareth@valinux.com>
+ */
+
+#define __NO_VERSION__
+#include "drmP.h"
+
+#if PAGE_SIZE == 8192
+# define ATI_PCIGART_TABLE_ORDER 	2
+# define ATI_PCIGART_TABLE_PAGES 	(1 << 2)
+#elif PAGE_SIZE == 4096
+# define ATI_PCIGART_TABLE_ORDER 	3
+# define ATI_PCIGART_TABLE_PAGES 	(1 << 3)
+#elif
+# error - PAGE_SIZE not 8K or 4K
+#endif
+
+# define ATI_MAX_PCIGART_PAGES		8192	/* 32 MB aperture, 4K pages */
+# define ATI_PCIGART_PAGE_SIZE		4096	/* PCI GART page size */
+
+static unsigned long DRM(ati_alloc_pcigart_table)( void )
+{
+	unsigned long address;
+	struct page *page;
+	int i;
+	DRM_DEBUG( "%s\n", __FUNCTION__ );
+
+	address = __get_free_pages( GFP_KERNEL, ATI_PCIGART_TABLE_ORDER );
+	if ( address == 0UL ) {
+		return 0;
+	}
+
+	page = virt_to_page( address );
+
+	for ( i = 0 ; i <= ATI_PCIGART_TABLE_PAGES ; i++, page++ ) {
+		atomic_inc( &page->count );
+		SetPageReserved( page );
+	}
+
+	DRM_DEBUG( "%s: returning 0x%08lx\n", __FUNCTION__, address );
+	return address;
+}
+
+static void DRM(ati_free_pcigart_table)( unsigned long address )
+{
+	struct page *page;
+	int i;
+	DRM_DEBUG( "%s\n", __FUNCTION__ );
+
+	page = virt_to_page( address );
+
+	for ( i = 0 ; i <= ATI_PCIGART_TABLE_PAGES ; i++, page++ ) {
+		atomic_dec( &page->count );
+		ClearPageReserved( page );
+	}
+
+	free_pages( address, ATI_PCIGART_TABLE_ORDER );
+}
+
+int DRM(ati_pcigart_init)( drm_device_t *dev,
+			   unsigned long *addr,
+			   dma_addr_t *bus_addr)
+{
+	drm_sg_mem_t *entry = dev->sg;
+	unsigned long address = 0;
+	unsigned long pages;
+	u32 *pci_gart, page_base, bus_address = 0;
+	int i, j, ret = 0;
+
+	if ( !entry ) {
+		DRM_ERROR( "no scatter/gather memory!\n" );
+		goto done;
+	}
+
+	address = DRM(ati_alloc_pcigart_table)();
+	if ( !address ) {
+		DRM_ERROR( "cannot allocate PCI GART page!\n" );
+		goto done;
+	}
+
+	if ( !dev->pdev ) {
+		DRM_ERROR( "PCI device unknown!\n" );
+		goto done;
+	}
+
+	bus_address = pci_map_single(dev->pdev, (void *)address,
+				  ATI_PCIGART_TABLE_PAGES * PAGE_SIZE,
+				  PCI_DMA_TODEVICE);
+	if (bus_address == 0) {
+		DRM_ERROR( "unable to map PCIGART pages!\n" );
+		DRM(ati_free_pcigart_table)( address );
+		address = 0;
+		goto done;
+	}
+
+	pci_gart = (u32 *)address;
+
+	pages = ( entry->pages <= ATI_MAX_PCIGART_PAGES )
+		? entry->pages : ATI_MAX_PCIGART_PAGES;
+
+	memset( pci_gart, 0, ATI_MAX_PCIGART_PAGES * sizeof(u32) );
+
+	for ( i = 0 ; i < pages ; i++ ) {
+		/* we need to support large memory configurations */
+		entry->busaddr[i] = pci_map_single(dev->pdev,
+					   page_address( entry->pagelist[i] ),
+					   PAGE_SIZE,
+					   PCI_DMA_TODEVICE);
+		if (entry->busaddr[i] == 0) {
+			DRM_ERROR( "unable to map PCIGART pages!\n" );
+			DRM(ati_pcigart_cleanup)( dev, address, bus_address );
+			address = 0;
+			bus_address = 0;
+			goto done;
+		}
+		page_base = (u32) entry->busaddr[i];
+
+		for (j = 0; j < (PAGE_SIZE / ATI_PCIGART_PAGE_SIZE); j++) {
+			*pci_gart++ = cpu_to_le32( page_base );
+			page_base += ATI_PCIGART_PAGE_SIZE;
+		}
+	}
+
+	ret = 1;
+
+#if defined(__i386__) || defined(__x86_64__)
+	asm volatile ( "wbinvd" ::: "memory" );
+#else
+	mb();
+#endif
+
+done:
+	*addr = address;
+	*bus_addr = bus_address;
+	return ret;
+}
+
+int DRM(ati_pcigart_cleanup)( drm_device_t *dev,
+			      unsigned long addr,
+			      dma_addr_t bus_addr)
+{
+	drm_sg_mem_t *entry = dev->sg;
+	unsigned long pages;
+	int i;
+
+	/* we need to support large memory configurations */
+	if ( !entry ) {
+		DRM_ERROR( "no scatter/gather memory!\n" );
+		return 0;
+	}
+
+	if ( bus_addr ) {
+		pci_unmap_single(dev->pdev, bus_addr,
+				 ATI_PCIGART_TABLE_PAGES * PAGE_SIZE,
+				 PCI_DMA_TODEVICE);
+
+		pages = ( entry->pages <= ATI_MAX_PCIGART_PAGES )
+		        ? entry->pages : ATI_MAX_PCIGART_PAGES;
+
+		for ( i = 0 ; i < pages ; i++ ) {
+			if ( !entry->busaddr[i] ) break;
+			pci_unmap_single(dev->pdev, entry->busaddr[i],
+					 PAGE_SIZE, PCI_DMA_TODEVICE);
+		}
+	}
+
+	if ( addr ) {
+		DRM(ati_free_pcigart_table)( addr );
+	}
+
+	return 1;
+}
diff --git a/bsd/drm.h b/bsd/drm.h
index ddad1be7..68876940 100644
--- a/bsd/drm.h
+++ b/bsd/drm.h
@@ -1,4 +1,4 @@
-/* drm.h -- Header for Direct Rendering Manager -*- c -*-
+/* drm.h -- Header for Direct Rendering Manager -*- linux-c -*-
  * Created: Mon Jan  4 10:05:05 1999 by faith@precisioninsight.com
  *
  * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
@@ -11,18 +11,18 @@
  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  * and/or sell copies of the Software, and to permit persons to whom the
  * Software is furnished to do so, subject to the following conditions:
- * 
+ *
  * The above copyright notice and this permission notice (including the next
  * paragraph) shall be included in all copies or substantial portions of the
  * Software.
- * 
+ *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
  *
  * Authors:
  *    Rickard E. (Rik) Faith <faith@valinux.com>
@@ -35,18 +35,34 @@
 #ifndef _DRM_H_
 #define _DRM_H_
 
-#include <sys/ioccom.h>		/* For _IO* macros */
+#include <sys/ioccom.h>
+#define DRM_IOCTL_NR(n)	     ((n) & 0xff)
+
+#define XFREE86_VERSION(major,minor,patch,snap) \
+		((major << 16) | (minor << 8) | patch)
 
+#ifndef CONFIG_XFREE86_VERSION
+#define CONFIG_XFREE86_VERSION XFREE86_VERSION(4,1,0,0)
+#endif
+
+#if CONFIG_XFREE86_VERSION < XFREE86_VERSION(4,1,0,0)
+#define DRM_PROC_DEVICES "/proc/devices"
+#define DRM_PROC_MISC	 "/proc/misc"
+#define DRM_PROC_DRM	 "/proc/drm"
 #define DRM_DEV_DRM	 "/dev/drm"
 #define DRM_DEV_MODE	 (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP)
 #define DRM_DEV_UID	 0
 #define DRM_DEV_GID	 0
+#endif
 
-
-#define DRM_NAME	"drm"	  /* Name in kernel, /dev		    */
+#if CONFIG_XFREE86_VERSION >= XFREE86_VERSION(4,1,0,0)
+#define DRM_MAJOR       226
+#define DRM_MAX_MINOR   15
+#endif
+#define DRM_NAME	"drm"	  /* Name in kernel, /dev, and /proc	    */
 #define DRM_MIN_ORDER	5	  /* At least 2^5 bytes = 32 bytes	    */
 #define DRM_MAX_ORDER	22	  /* Up to 2^22 bytes = 4MB		    */
-#define DRM_RAM_PERCENT 10	  /* How much system ram can we lock?	    */
+#define DRM_RAM_PERCENT 50	  /* How much system ram can we lock?	    */
 
 #define _DRM_LOCK_HELD	0x80000000 /* Hardware lock is held		    */
 #define _DRM_LOCK_CONT	0x40000000 /* Hardware lock is contended	    */
@@ -59,20 +75,31 @@ typedef unsigned int  drm_context_t;
 typedef unsigned int  drm_drawable_t;
 typedef unsigned int  drm_magic_t;
 
-/* Warning: If you change this structure, make sure you change 
+/* Warning: If you change this structure, make sure you change
  * XF86DRIClipRectRec in the server as well */
 
 typedef struct drm_clip_rect {
-           unsigned short x1;
-           unsigned short y1;
-           unsigned short x2;
-           unsigned short y2;
+	unsigned short	x1;
+	unsigned short	y1;
+	unsigned short	x2;
+	unsigned short	y2;
 } drm_clip_rect_t;
 
-/* Seperate include files for the i810/mga/r128 specific structures */
+typedef struct drm_tex_region {
+	unsigned char	next;
+	unsigned char	prev;
+	unsigned char	in_use;
+	unsigned char	padding;
+	unsigned int	age;
+} drm_tex_region_t;
+
+/* Seperate include files for the driver specific structures */
 #include "mga_drm.h"
 #include "i810_drm.h"
+#include "i830_drm.h"
 #include "r128_drm.h"
+#include "radeon_drm.h"
+#include "sis_drm.h"
 
 typedef struct drm_version {
 	int    version_major;	  /* Major version			    */
@@ -111,10 +138,11 @@ typedef struct drm_control {
 } drm_control_t;
 
 typedef enum drm_map_type {
-	_DRM_FRAME_BUFFER = 0,	  /* WC (no caching), no core dump	    */
-	_DRM_REGISTERS	  = 1,	  /* no caching, no core dump		    */
-	_DRM_SHM	  = 2,	  /* shared, cached			    */
-	_DRM_AGP	  = 3	  /* AGP/GART				    */
+	_DRM_FRAME_BUFFER   = 0,  /* WC (no caching), no core dump	    */
+	_DRM_REGISTERS	    = 1,  /* no caching, no core dump		    */
+	_DRM_SHM	    = 2,  /* shared, cached			    */
+	_DRM_AGP            = 3,  /* AGP/GART                               */
+	_DRM_SCATTER_GATHER = 4	  /* Scatter/gather memory for PCI DMA      */
 } drm_map_type_t;
 
 typedef enum drm_map_flags {
@@ -123,9 +151,15 @@ typedef enum drm_map_flags {
 	_DRM_LOCKED	     = 0x04, /* shared, cached, locked		    */
 	_DRM_KERNEL	     = 0x08, /* kernel requires access		    */
 	_DRM_WRITE_COMBINING = 0x10, /* use write-combining if available    */
-	_DRM_CONTAINS_LOCK   = 0x20  /* SHM page that contains lock	    */
+	_DRM_CONTAINS_LOCK   = 0x20, /* SHM page that contains lock	    */
+	_DRM_REMOVABLE	     = 0x40  /* Removable mapping		    */
 } drm_map_flags_t;
 
+typedef struct drm_ctx_priv_map {
+	unsigned int	ctx_id;  /* Context requesting private mapping */
+	void		*handle; /* Handle of map */
+} drm_ctx_priv_map_t;
+
 typedef struct drm_map {
 	unsigned long	offset;	 /* Requested physical address (0 for SAREA)*/
 	unsigned long	size;	 /* Requested physical size (bytes)	    */
@@ -137,6 +171,44 @@ typedef struct drm_map {
 				 /* Private data			    */
 } drm_map_t;
 
+typedef struct drm_client {
+	int		idx;	/* Which client desired?                    */
+	int		auth;	/* Is client authenticated?                 */
+	unsigned long	pid;	/* Process id                               */
+	unsigned long	uid;	/* User id                                  */
+	unsigned long	magic;	/* Magic                                    */
+	unsigned long	iocs;	/* Ioctl count                              */
+} drm_client_t;
+
+typedef enum {
+	_DRM_STAT_LOCK,
+	_DRM_STAT_OPENS,
+	_DRM_STAT_CLOSES,
+	_DRM_STAT_IOCTLS,
+	_DRM_STAT_LOCKS,
+	_DRM_STAT_UNLOCKS,
+	_DRM_STAT_VALUE,	/* Generic value                      */
+	_DRM_STAT_BYTE,		/* Generic byte counter (1024bytes/K) */
+	_DRM_STAT_COUNT,	/* Generic non-byte counter (1000/k)  */
+
+	_DRM_STAT_IRQ,		/* IRQ */
+	_DRM_STAT_PRIMARY,	/* Primary DMA bytes */
+	_DRM_STAT_SECONDARY,	/* Secondary DMA bytes */
+	_DRM_STAT_DMA,		/* DMA */
+	_DRM_STAT_SPECIAL,	/* Special DMA (e.g., priority or polled) */
+	_DRM_STAT_MISSED	/* Missed DMA opportunity */
+
+				/* Add to the *END* of the list */
+} drm_stat_type_t;
+
+typedef struct drm_stats {
+	unsigned long count;
+	struct {
+		unsigned long   value;
+		drm_stat_type_t type;
+	} data[15];
+} drm_stats_t;
+
 typedef enum drm_lock_flags {
 	_DRM_LOCK_READY	     = 0x01, /* Wait until hardware is ready for DMA */
 	_DRM_LOCK_QUIESCENT  = 0x02, /* Wait until hardware quiescent	     */
@@ -179,7 +251,8 @@ typedef struct drm_buf_desc {
 	int	      high_mark; /* High water mark			     */
 	enum {
 		_DRM_PAGE_ALIGN = 0x01, /* Align on page boundaries for DMA  */
-		_DRM_AGP_BUFFER = 0x02  /* Buffer is in agp space            */
+		_DRM_AGP_BUFFER = 0x02, /* Buffer is in agp space            */
+		_DRM_SG_BUFFER  = 0x04  /* Scatter/gather memory buffer      */
 	}	      flags;
 	unsigned long agp_start; /* Start address of where the agp buffers
 				  * are in the agp aperture */
@@ -285,78 +358,144 @@ typedef struct drm_agp_info {
 	unsigned short id_device;
 } drm_agp_info_t;
 
-#define DRM_IOCTL_BASE	     'd'
-#define DRM_IOCTL_NR(n)	     ((n) & 0xff)
-#define DRM_IO(nr)	     _IO(DRM_IOCTL_BASE,nr)
-#define DRM_IOR(nr,size)     _IOR(DRM_IOCTL_BASE,nr,size)
-#define DRM_IOW(nr,size)     _IOW(DRM_IOCTL_BASE,nr,size)
-#define DRM_IOWR(nr,size)    _IOWR(DRM_IOCTL_BASE,nr,size)
-
-
-#define DRM_IOCTL_VERSION    DRM_IOWR(0x00, drm_version_t)
-#define DRM_IOCTL_GET_UNIQUE DRM_IOWR(0x01, drm_unique_t)
-#define DRM_IOCTL_GET_MAGIC  DRM_IOR( 0x02, drm_auth_t)
-#define DRM_IOCTL_IRQ_BUSID  DRM_IOWR(0x03, drm_irq_busid_t)
-
-#define DRM_IOCTL_SET_UNIQUE DRM_IOW( 0x10, drm_unique_t)
-#define DRM_IOCTL_AUTH_MAGIC DRM_IOW( 0x11, drm_auth_t)
-#define DRM_IOCTL_BLOCK	     DRM_IOWR(0x12, drm_block_t)
-#define DRM_IOCTL_UNBLOCK    DRM_IOWR(0x13, drm_block_t)
-#define DRM_IOCTL_CONTROL    DRM_IOW( 0x14, drm_control_t)
-#define DRM_IOCTL_ADD_MAP    DRM_IOWR(0x15, drm_map_t)
-#define DRM_IOCTL_ADD_BUFS   DRM_IOWR(0x16, drm_buf_desc_t)
-#define DRM_IOCTL_MARK_BUFS  DRM_IOW( 0x17, drm_buf_desc_t)
-#define DRM_IOCTL_INFO_BUFS  DRM_IOWR(0x18, drm_buf_info_t)
-#define DRM_IOCTL_MAP_BUFS   DRM_IOWR(0x19, drm_buf_map_t)
-#define DRM_IOCTL_FREE_BUFS  DRM_IOW( 0x1a, drm_buf_free_t)
-
-#define DRM_IOCTL_ADD_CTX    DRM_IOWR(0x20, drm_ctx_t)
-#define DRM_IOCTL_RM_CTX     DRM_IOWR(0x21, drm_ctx_t)
-#define DRM_IOCTL_MOD_CTX    DRM_IOW( 0x22, drm_ctx_t)
-#define DRM_IOCTL_GET_CTX    DRM_IOWR(0x23, drm_ctx_t)
-#define DRM_IOCTL_SWITCH_CTX DRM_IOW( 0x24, drm_ctx_t)
-#define DRM_IOCTL_NEW_CTX    DRM_IOW( 0x25, drm_ctx_t)
-#define DRM_IOCTL_RES_CTX    DRM_IOWR(0x26, drm_ctx_res_t)
-#define DRM_IOCTL_ADD_DRAW   DRM_IOWR(0x27, drm_draw_t)
-#define DRM_IOCTL_RM_DRAW    DRM_IOWR(0x28, drm_draw_t)
-#define DRM_IOCTL_DMA	     DRM_IOWR(0x29, drm_dma_t)
-#define DRM_IOCTL_LOCK	     DRM_IOW( 0x2a, drm_lock_t)
-#define DRM_IOCTL_UNLOCK     DRM_IOW( 0x2b, drm_lock_t)
-#define DRM_IOCTL_FINISH     DRM_IOW( 0x2c, drm_lock_t)
-
-#define DRM_IOCTL_AGP_ACQUIRE DRM_IO(  0x30)
-#define DRM_IOCTL_AGP_RELEASE DRM_IO(  0x31)
-#define DRM_IOCTL_AGP_ENABLE  DRM_IOW( 0x32, drm_agp_mode_t)
-#define DRM_IOCTL_AGP_INFO    DRM_IOR( 0x33, drm_agp_info_t)
-#define DRM_IOCTL_AGP_ALLOC   DRM_IOWR(0x34, drm_agp_buffer_t)
-#define DRM_IOCTL_AGP_FREE    DRM_IOW( 0x35, drm_agp_buffer_t)
-#define DRM_IOCTL_AGP_BIND    DRM_IOW( 0x36, drm_agp_binding_t)
-#define DRM_IOCTL_AGP_UNBIND  DRM_IOW( 0x37, drm_agp_binding_t)
-
-/* Mga specific ioctls */
-#define DRM_IOCTL_MGA_INIT    DRM_IOW( 0x40, drm_mga_init_t)
-#define DRM_IOCTL_MGA_SWAP    DRM_IOW( 0x41, drm_mga_swap_t)
-#define DRM_IOCTL_MGA_CLEAR   DRM_IOW( 0x42, drm_mga_clear_t)
-#define DRM_IOCTL_MGA_ILOAD   DRM_IOW( 0x43, drm_mga_iload_t)
-#define DRM_IOCTL_MGA_VERTEX  DRM_IOW( 0x44, drm_mga_vertex_t)
-#define DRM_IOCTL_MGA_FLUSH   DRM_IOW( 0x45, drm_lock_t )
-#define DRM_IOCTL_MGA_INDICES DRM_IOW( 0x46, drm_mga_indices_t)
-
-/* I810 specific ioctls */
-#define DRM_IOCTL_I810_INIT    DRM_IOW( 0x40, drm_i810_init_t)
-#define DRM_IOCTL_I810_VERTEX  DRM_IOW( 0x41, drm_i810_vertex_t)
-#define DRM_IOCTL_I810_CLEAR   DRM_IOW( 0x42, drm_i810_clear_t)
-#define DRM_IOCTL_I810_FLUSH   DRM_IO ( 0x43)
-#define DRM_IOCTL_I810_GETAGE  DRM_IO ( 0x44)
-#define DRM_IOCTL_I810_GETBUF  DRM_IOWR(0x45, drm_i810_dma_t)
-#define DRM_IOCTL_I810_SWAP    DRM_IO ( 0x46)
+typedef struct drm_scatter_gather {
+	unsigned long size;	/* In bytes -- will round to page boundary */
+	unsigned long handle;	/* Used for mapping / unmapping */
+} drm_scatter_gather_t;
+
+#define DRM_IOCTL_BASE			'd'
+#define DRM_IO(nr)			_IO(DRM_IOCTL_BASE,nr)
+#define DRM_IOR(nr,size)		_IOR(DRM_IOCTL_BASE,nr,size)
+#define DRM_IOW(nr,size)		_IOW(DRM_IOCTL_BASE,nr,size)
+#define DRM_IOWR(nr,size)		_IOWR(DRM_IOCTL_BASE,nr,size)
+
+
+#define DRM_IOCTL_VERSION		DRM_IOWR(0x00, drm_version_t)
+#define DRM_IOCTL_GET_UNIQUE		DRM_IOWR(0x01, drm_unique_t)
+#define DRM_IOCTL_GET_MAGIC		DRM_IOR( 0x02, drm_auth_t)
+#define DRM_IOCTL_IRQ_BUSID		DRM_IOWR(0x03, drm_irq_busid_t)
+#define DRM_IOCTL_GET_MAP               DRM_IOWR(0x04, drm_map_t)
+#define DRM_IOCTL_GET_CLIENT            DRM_IOWR(0x05, drm_client_t)
+#define DRM_IOCTL_GET_STATS             DRM_IOR( 0x06, drm_stats_t)
+
+#define DRM_IOCTL_SET_UNIQUE		DRM_IOW( 0x10, drm_unique_t)
+#define DRM_IOCTL_AUTH_MAGIC		DRM_IOW( 0x11, drm_auth_t)
+#define DRM_IOCTL_BLOCK			DRM_IOWR(0x12, drm_block_t)
+#define DRM_IOCTL_UNBLOCK		DRM_IOWR(0x13, drm_block_t)
+#define DRM_IOCTL_CONTROL		DRM_IOW( 0x14, drm_control_t)
+#define DRM_IOCTL_ADD_MAP		DRM_IOWR(0x15, drm_map_t)
+#define DRM_IOCTL_ADD_BUFS		DRM_IOWR(0x16, drm_buf_desc_t)
+#define DRM_IOCTL_MARK_BUFS		DRM_IOW( 0x17, drm_buf_desc_t)
+#define DRM_IOCTL_INFO_BUFS		DRM_IOWR(0x18, drm_buf_info_t)
+#define DRM_IOCTL_MAP_BUFS		DRM_IOWR(0x19, drm_buf_map_t)
+#define DRM_IOCTL_FREE_BUFS		DRM_IOW( 0x1a, drm_buf_free_t)
+
+#define DRM_IOCTL_RM_MAP		DRM_IOW( 0x1b, drm_map_t)
+
+#define DRM_IOCTL_SET_SAREA_CTX		DRM_IOW( 0x1c, drm_ctx_priv_map_t)
+#define DRM_IOCTL_GET_SAREA_CTX 	DRM_IOWR(0x1d, drm_ctx_priv_map_t)
+
+#define DRM_IOCTL_ADD_CTX		DRM_IOWR(0x20, drm_ctx_t)
+#define DRM_IOCTL_RM_CTX		DRM_IOWR(0x21, drm_ctx_t)
+#define DRM_IOCTL_MOD_CTX		DRM_IOW( 0x22, drm_ctx_t)
+#define DRM_IOCTL_GET_CTX		DRM_IOWR(0x23, drm_ctx_t)
+#define DRM_IOCTL_SWITCH_CTX		DRM_IOW( 0x24, drm_ctx_t)
+#define DRM_IOCTL_NEW_CTX		DRM_IOW( 0x25, drm_ctx_t)
+#define DRM_IOCTL_RES_CTX		DRM_IOWR(0x26, drm_ctx_res_t)
+#define DRM_IOCTL_ADD_DRAW		DRM_IOWR(0x27, drm_draw_t)
+#define DRM_IOCTL_RM_DRAW		DRM_IOWR(0x28, drm_draw_t)
+#define DRM_IOCTL_DMA			DRM_IOWR(0x29, drm_dma_t)
+#define DRM_IOCTL_LOCK			DRM_IOW( 0x2a, drm_lock_t)
+#define DRM_IOCTL_UNLOCK		DRM_IOW( 0x2b, drm_lock_t)
+#define DRM_IOCTL_FINISH		DRM_IOW( 0x2c, drm_lock_t)
+
+#define DRM_IOCTL_AGP_ACQUIRE		DRM_IO(  0x30)
+#define DRM_IOCTL_AGP_RELEASE		DRM_IO(  0x31)
+#define DRM_IOCTL_AGP_ENABLE		DRM_IOW( 0x32, drm_agp_mode_t)
+#define DRM_IOCTL_AGP_INFO		DRM_IOR( 0x33, drm_agp_info_t)
+#define DRM_IOCTL_AGP_ALLOC		DRM_IOWR(0x34, drm_agp_buffer_t)
+#define DRM_IOCTL_AGP_FREE		DRM_IOW( 0x35, drm_agp_buffer_t)
+#define DRM_IOCTL_AGP_BIND		DRM_IOW( 0x36, drm_agp_binding_t)
+#define DRM_IOCTL_AGP_UNBIND		DRM_IOW( 0x37, drm_agp_binding_t)
+
+#define DRM_IOCTL_SG_ALLOC		DRM_IOW( 0x38, drm_scatter_gather_t)
+#define DRM_IOCTL_SG_FREE		DRM_IOW( 0x39, drm_scatter_gather_t)
+
+/* MGA specific ioctls */
+#define DRM_IOCTL_MGA_INIT		DRM_IOW( 0x40, drm_mga_init_t)
+#define DRM_IOCTL_MGA_FLUSH		DRM_IOW( 0x41, drm_lock_t)
+#define DRM_IOCTL_MGA_RESET		DRM_IO(  0x42)
+#define DRM_IOCTL_MGA_SWAP		DRM_IO(  0x43)
+#define DRM_IOCTL_MGA_CLEAR		DRM_IOW( 0x44, drm_mga_clear_t)
+#define DRM_IOCTL_MGA_VERTEX		DRM_IOW( 0x45, drm_mga_vertex_t)
+#define DRM_IOCTL_MGA_INDICES		DRM_IOW( 0x46, drm_mga_indices_t)
+#define DRM_IOCTL_MGA_ILOAD		DRM_IOW( 0x47, drm_mga_iload_t)
+#define DRM_IOCTL_MGA_BLIT		DRM_IOW( 0x48, drm_mga_blit_t)
+
+/* i810 specific ioctls */
+#define DRM_IOCTL_I810_INIT		DRM_IOW( 0x40, drm_i810_init_t)
+#define DRM_IOCTL_I810_VERTEX		DRM_IOW( 0x41, drm_i810_vertex_t)
+#define DRM_IOCTL_I810_CLEAR		DRM_IOW( 0x42, drm_i810_clear_t)
+#define DRM_IOCTL_I810_FLUSH		DRM_IO(  0x43)
+#define DRM_IOCTL_I810_GETAGE		DRM_IO(  0x44)
+#define DRM_IOCTL_I810_GETBUF		DRM_IOWR(0x45, drm_i810_dma_t)
+#define DRM_IOCTL_I810_SWAP		DRM_IO(  0x46)
+#define DRM_IOCTL_I810_COPY		DRM_IOW( 0x47, drm_i810_copy_t)
+#define DRM_IOCTL_I810_DOCOPY		DRM_IO(  0x48)
 
 /* Rage 128 specific ioctls */
-#define DRM_IOCTL_R128_INIT	DRM_IOW( 0x40, drm_r128_init_t)
-#define DRM_IOCTL_R128_RESET	DRM_IO(  0x41)
-#define DRM_IOCTL_R128_FLUSH	DRM_IO(  0x42)
-#define DRM_IOCTL_R128_CCEIDL	DRM_IO(  0x43)
-#define DRM_IOCTL_R128_PACKET	DRM_IOW( 0x44, drm_r128_packet_t)
-#define DRM_IOCTL_R128_VERTEX	DRM_IOW( 0x45, drm_r128_vertex_t)
+#define DRM_IOCTL_R128_INIT		DRM_IOW( 0x40, drm_r128_init_t)
+#define DRM_IOCTL_R128_CCE_START	DRM_IO(  0x41)
+#define DRM_IOCTL_R128_CCE_STOP		DRM_IOW( 0x42, drm_r128_cce_stop_t)
+#define DRM_IOCTL_R128_CCE_RESET	DRM_IO(  0x43)
+#define DRM_IOCTL_R128_CCE_IDLE		DRM_IO(  0x44)
+#define DRM_IOCTL_R128_RESET		DRM_IO(  0x46)
+#define DRM_IOCTL_R128_SWAP		DRM_IO(  0x47)
+#define DRM_IOCTL_R128_CLEAR		DRM_IOW( 0x48, drm_r128_clear_t)
+#define DRM_IOCTL_R128_VERTEX		DRM_IOW( 0x49, drm_r128_vertex_t)
+#define DRM_IOCTL_R128_INDICES		DRM_IOW( 0x4a, drm_r128_indices_t)
+#define DRM_IOCTL_R128_BLIT		DRM_IOW( 0x4b, drm_r128_blit_t)
+#define DRM_IOCTL_R128_DEPTH		DRM_IOW( 0x4c, drm_r128_depth_t)
+#define DRM_IOCTL_R128_STIPPLE		DRM_IOW( 0x4d, drm_r128_stipple_t)
+#define DRM_IOCTL_R128_INDIRECT		DRM_IOWR(0x4f, drm_r128_indirect_t)
+#define DRM_IOCTL_R128_FULLSCREEN	DRM_IOW( 0x50, drm_r128_fullscreen_t)
+
+/* Radeon specific ioctls */
+#define DRM_IOCTL_RADEON_CP_INIT	DRM_IOW( 0x40, drm_radeon_init_t)
+#define DRM_IOCTL_RADEON_CP_START	DRM_IO(  0x41)
+#define DRM_IOCTL_RADEON_CP_STOP	DRM_IOW( 0x42, drm_radeon_cp_stop_t)
+#define DRM_IOCTL_RADEON_CP_RESET	DRM_IO(  0x43)
+#define DRM_IOCTL_RADEON_CP_IDLE	DRM_IO(  0x44)
+#define DRM_IOCTL_RADEON_RESET		DRM_IO(  0x45)
+#define DRM_IOCTL_RADEON_FULLSCREEN	DRM_IOW( 0x46, drm_radeon_fullscreen_t)
+#define DRM_IOCTL_RADEON_SWAP		DRM_IO(  0x47)
+#define DRM_IOCTL_RADEON_CLEAR		DRM_IOW( 0x48, drm_radeon_clear_t)
+#define DRM_IOCTL_RADEON_VERTEX		DRM_IOW( 0x49, drm_radeon_vertex_t)
+#define DRM_IOCTL_RADEON_INDICES	DRM_IOW( 0x4a, drm_radeon_indices_t)
+#define DRM_IOCTL_RADEON_STIPPLE	DRM_IOW( 0x4c, drm_radeon_stipple_t)
+#define DRM_IOCTL_RADEON_INDIRECT	DRM_IOWR(0x4d, drm_radeon_indirect_t)
+#define DRM_IOCTL_RADEON_TEXTURE	DRM_IOWR(0x4e, drm_radeon_texture_t)
+
+/* SiS specific ioctls */
+
+#define SIS_IOCTL_FB_ALLOC		DRM_IOWR(0x44, drm_sis_mem_t)
+#define SIS_IOCTL_FB_FREE		DRM_IOW( 0x45, drm_sis_mem_t)
+#define SIS_IOCTL_AGP_INIT		DRM_IOWR(0x53, drm_sis_agp_t)
+#define SIS_IOCTL_AGP_ALLOC		DRM_IOWR(0x54, drm_sis_mem_t)
+#define SIS_IOCTL_AGP_FREE		DRM_IOW( 0x55, drm_sis_mem_t)
+#define SIS_IOCTL_FLIP			DRM_IOW( 0x48, drm_sis_flip_t)
+#define SIS_IOCTL_FLIP_INIT		DRM_IO(  0x49)
+#define SIS_IOCTL_FLIP_FINAL		DRM_IO(  0x50)
+
+/* I830 specific ioctls */
+#define DRM_IOCTL_I830_INIT		DRM_IOW( 0x40, drm_i830_init_t)
+#define DRM_IOCTL_I830_VERTEX		DRM_IOW( 0x41, drm_i830_vertex_t)
+#define DRM_IOCTL_I830_CLEAR		DRM_IOW( 0x42, drm_i830_clear_t)
+#define DRM_IOCTL_I830_FLUSH		DRM_IO ( 0x43)
+#define DRM_IOCTL_I830_GETAGE		DRM_IO ( 0x44)
+#define DRM_IOCTL_I830_GETBUF		DRM_IOWR(0x45, drm_i830_dma_t)
+#define DRM_IOCTL_I830_SWAP		DRM_IO ( 0x46)
+#define DRM_IOCTL_I830_COPY		DRM_IOW( 0x47, drm_i830_copy_t)
+#define DRM_IOCTL_I830_DOCOPY		DRM_IO ( 0x48)
 
 #endif
diff --git a/bsd/drmP.h b/bsd/drmP.h
index 7a1159c7..ead40f86 100644
--- a/bsd/drmP.h
+++ b/bsd/drmP.h
@@ -1,8 +1,8 @@
-/* drmP.h -- Private header for Direct Rendering Manager -*- c -*-
+/* drmP.h -- Private header for Direct Rendering Manager -*- linux-c -*-
  * Created: Mon Jan  4 10:05:05 1999 by faith@precisioninsight.com
- * Revised: Tue Oct 12 08:51:07 1999 by faith@precisioninsight.com
  *
  * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
  * All rights reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
@@ -11,225 +11,119 @@
  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  * and/or sell copies of the Software, and to permit persons to whom the
  * Software is furnished to do so, subject to the following conditions:
- * 
+ *
  * The above copyright notice and this permission notice (including the next
  * paragraph) shall be included in all copies or substantial portions of the
  * Software.
- * 
+ *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- * 
- * $PI: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/drmP.h,v 1.58 1999/08/30 13:05:00 faith Exp $
- * $XFree86: xc/programs/Xserver/hw/xfree86/os-support/bsd/drm/kernel/drmP.h,v 1.3 2001/03/06 16:45:26 dawes Exp $
- * 
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Rickard E. (Rik) Faith <faith@valinux.com>
+ *    Gareth Hughes <gareth@valinux.com>
  */
 
 #ifndef _DRM_P_H_
 #define _DRM_P_H_
 
-#ifdef _KERNEL
-#include <sys/param.h>
-#include <sys/queue.h>
-#include <sys/malloc.h>
-#include <sys/kernel.h>
-#include <sys/module.h>
-#include <sys/systm.h>
-#include <sys/conf.h>
-#include <sys/stat.h>
-#include <sys/proc.h>
-#include <sys/lock.h>
-#include <sys/fcntl.h>
-#include <sys/uio.h>
-#include <sys/filio.h>
-#include <sys/sysctl.h>
-#include <sys/select.h>
-#include <sys/bus.h>
-#if __FreeBSD_version >= 400005
-#include <sys/taskqueue.h>
-#endif
+#if defined(_KERNEL) || defined(__KERNEL__)
 
-#if __FreeBSD_version >= 400006
-#define DRM_AGP
+/* DRM template customization defaults
+ */
+#ifndef __HAVE_AGP
+#define __HAVE_AGP		0
 #endif
-
-#ifdef DRM_AGP
-#include <pci/agpvar.h>
+#ifndef __HAVE_MTRR
+#define __HAVE_MTRR		0
+#endif
+#ifndef __HAVE_CTX_BITMAP
+#define __HAVE_CTX_BITMAP	0
+#endif
+#ifndef __HAVE_DMA
+#define __HAVE_DMA		0
+#endif
+#ifndef __HAVE_DMA_IRQ
+#define __HAVE_DMA_IRQ		0
+#endif
+#ifndef __HAVE_DMA_WAITLIST
+#define __HAVE_DMA_WAITLIST	0
+#endif
+#ifndef __HAVE_DMA_FREELIST
+#define __HAVE_DMA_FREELIST	0
+#endif
+#ifndef __HAVE_DMA_HISTOGRAM
+#define __HAVE_DMA_HISTOGRAM	0
 #endif
 
-#include "drm.h"
+#define DRM_DEBUG_CODE 0	  /* Include debugging code (if > 1, then
+				     also include looping detection. */
 
-typedef u_int32_t atomic_t;
-typedef u_int32_t cycles_t;
-typedef u_int32_t spinlock_t;
-#define atomic_set(p, v)	(*(p) = (v))
-#define atomic_read(p)		(*(p))
-#define atomic_inc(p)		atomic_add_int(p, 1)
-#define atomic_dec(p)		atomic_subtract_int(p, 1)
-#define atomic_add(n, p)	atomic_add_int(p, n)
-#define atomic_sub(n, p)	atomic_subtract_int(p, n)
-
-/* The version number here is a guess */
-#if __FreeBSD_version >= 500010
-#define callout_init(a)		callout_init(a, 0)
-#endif
+typedef struct drm_device drm_device_t;
+typedef struct drm_file drm_file_t;
 
-/* Fake this */
-static __inline u_int32_t
-test_and_set_bit(int b, volatile u_int32_t *p)
-{
-	int s = splhigh();
-	u_int32_t m = 1<<b;
-	u_int32_t r = *p & m;
-	*p |= m;
-	splx(s);
-	return r;
-}
-
-static __inline void
-clear_bit(int b, volatile u_int32_t *p)
-{
-    atomic_clear_int(p + (b >> 5), 1 << (b & 0x1f));
-}
-
-static __inline void
-set_bit(int b, volatile u_int32_t *p)
-{
-    atomic_set_int(p + (b >> 5), 1 << (b & 0x1f));
-}
-
-static __inline int
-test_bit(int b, volatile u_int32_t *p)
-{
-    return p[b >> 5] & (1 << (b & 0x1f));
-}
-
-static __inline int
-find_first_zero_bit(volatile u_int32_t *p, int max)
-{
-    int b;
-
-    for (b = 0; b < max; b += 32) {
-	if (p[b >> 5] != ~0) {
-	    for (;;) {
-		if ((p[b >> 5] & (1 << (b & 0x1f))) == 0)
-		    return b;
-		b++;
-	    }
-	}
-    }
-    return max;
-}
-
-#define spldrm()		spltty()
-
-#define memset(p, v, s)		bzero(p, s)
-
-/*
- * Fake out the module macros for versions of FreeBSD where they don't
- * exist.
- */
-#if __FreeBSD_version < 400002
+/* There's undoubtably more of this file to go into these OS dependent ones. */
 
-#define MODULE_VERSION(a,b)		struct __hack
-#define MODULE_DEPEND(a,b,c,d,e)	struct __hack
+#include "drm_os_freebsd.h"
 
-#endif
+#include "drm.h"
 
-#define DRM_DEBUG_CODE 0	  /* Include debugging code (if > 1, then
-				     also include looping detection. */
-#define DRM_DMA_HISTOGRAM 1	  /* Make histogram of DMA latency. */
+/* Begin the DRM... */
 
 #define DRM_HASH_SIZE	      16 /* Size of key hash table		  */
 #define DRM_KERNEL_CONTEXT    0	 /* Change drm_resctx if changed	  */
 #define DRM_RESERVED_CONTEXTS 1	 /* Change drm_resctx if changed	  */
 #define DRM_LOOPING_LIMIT     5000000
 #define DRM_BSZ		      1024 /* Buffer size for /dev/drm? output	  */
-#define DRM_TIME_SLICE	      (hz/20) /* Time slice for GLXContexts       */
 #define DRM_LOCK_SLICE	      1	/* Time slice for lock, in jiffies	  */
 
 #define DRM_FLAG_DEBUG	  0x01
 #define DRM_FLAG_NOCTX	  0x02
 
-#define DRM_MEM_DMA	  0
-#define DRM_MEM_SAREA	  1
-#define DRM_MEM_DRIVER	  2
-#define DRM_MEM_MAGIC	  3
-#define DRM_MEM_IOCTLS	  4
-#define DRM_MEM_MAPS	  5
-#define DRM_MEM_VMAS	  6
-#define DRM_MEM_BUFS	  7
-#define DRM_MEM_SEGS	  8
-#define DRM_MEM_PAGES	  9
-#define DRM_MEM_FILES	 10
-#define DRM_MEM_QUEUES	 11
-#define DRM_MEM_CMDS	 12
-#define DRM_MEM_MAPPINGS 13
-#define DRM_MEM_BUFLISTS 14
+#define DRM_MEM_DMA	   0
+#define DRM_MEM_SAREA	   1
+#define DRM_MEM_DRIVER	   2
+#define DRM_MEM_MAGIC	   3
+#define DRM_MEM_IOCTLS	   4
+#define DRM_MEM_MAPS	   5
+#define DRM_MEM_VMAS	   6
+#define DRM_MEM_BUFS	   7
+#define DRM_MEM_SEGS	   8
+#define DRM_MEM_PAGES	   9
+#define DRM_MEM_FILES	  10
+#define DRM_MEM_QUEUES	  11
+#define DRM_MEM_CMDS	  12
+#define DRM_MEM_MAPPINGS  13
+#define DRM_MEM_BUFLISTS  14
 #define DRM_MEM_AGPLISTS  15
 #define DRM_MEM_TOTALAGP  16
 #define DRM_MEM_BOUNDAGP  17
 #define DRM_MEM_CTXBITMAP 18
+#define DRM_MEM_STUB      19
+#define DRM_MEM_SGLISTS   20
 
 #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8)
 
 				/* Backward compatibility section */
+				/* _PAGE_WT changed to _PAGE_PWT in 2.2.6 */
 #ifndef _PAGE_PWT
-				/* The name of _PAGE_WT was changed to
-				   _PAGE_PWT in Linux 2.2.6 */
 #define _PAGE_PWT _PAGE_WT
 #endif
 
-#define __drm_dummy_lock(lock) (*(__volatile__ unsigned int *)lock)
-#define _DRM_CAS(lock,old,new,__ret)				       \
-	do {							       \
-		int __dummy;	/* Can't mark eax as clobbered */      \
-		__asm__ __volatile__(				       \
-			"lock ; cmpxchg %4,%1\n\t"		       \
-			"setnz %0"				       \
-			: "=d" (__ret),				       \
-			  "=m" (__drm_dummy_lock(lock)),	       \
-			  "=a" (__dummy)			       \
-			: "2" (old),				       \
-			  "r" (new));				       \
-	} while (0)
-
+				/* Mapping helper macros */
+#define DRM_IOREMAP(map)						\
+	(map)->handle = DRM(ioremap)( (map)->offset, (map)->size )
 
-
-				/* Macros to make printk easier */
-#define DRM_ERROR(fmt, arg...) \
-	printf("error: " "[" DRM_NAME ":" __FUNCTION__ "] *ERROR* " fmt , ##arg)
-#define DRM_MEM_ERROR(area, fmt, arg...) \
-	printf("error: " "[" DRM_NAME ":" __FUNCTION__ ":%s] *ERROR* " fmt , \
-	       drm_mem_stats[area].name , ##arg)
-#define DRM_INFO(fmt, arg...)  printf("info: " "[" DRM_NAME "] " fmt , ##arg)
-
-#if DRM_DEBUG_CODE
-#define DRM_DEBUG(fmt, arg...)						  \
-	do {								  \
-		if (drm_flags&DRM_FLAG_DEBUG)				  \
-			printf("[" DRM_NAME ":" __FUNCTION__ "] " fmt ,	  \
-			       ##arg);					  \
+#define DRM_IOREMAPFREE(map)						\
+	do {								\
+		if ( (map)->handle && (map)->size )			\
+			DRM(ioremapfree)( (map)->handle, (map)->size );	\
 	} while (0)
-#else
-#define DRM_DEBUG(fmt, arg...)		 do { } while (0)
-#endif
-
-#define DRM_PROC_LIMIT (PAGE_SIZE-80)
-
-#define DRM_SYSCTL_PRINT(fmt, arg...)		\
-  snprintf(buf, sizeof(buf), fmt, ##arg);	\
-  error = SYSCTL_OUT(req, buf, strlen(buf));	\
-  if (error) return error;
-
-#define DRM_SYSCTL_PRINT_RET(ret, fmt, arg...)	\
-  snprintf(buf, sizeof(buf), fmt, ##arg);	\
-  error = SYSCTL_OUT(req, buf, strlen(buf));	\
-  if (error) { ret; return error; }
 
 				/* Internal types and structures */
 #define DRM_ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))
@@ -240,15 +134,25 @@ find_first_zero_bit(volatile u_int32_t *p, int max)
 #define DRM_BUFCOUNT(x) ((x)->count - DRM_LEFTCOUNT(x))
 #define DRM_WAITCOUNT(dev,idx) DRM_BUFCOUNT(&dev->queuelist[idx]->waitlist)
 
+#define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do {	\
+	(_map) = (_dev)->context_sareas[_ctx];		\
+} while(0)
+
+
+typedef struct drm_pci_list {
+	u16 vendor;
+	u16 device;
+} drm_pci_list_t;
+
 typedef struct drm_ioctl_desc {
-	d_ioctl_t	     *func;
+	d_ioctl_t            *func;
 	int		     auth_needed;
 	int		     root_only;
 } drm_ioctl_desc_t;
 
 typedef struct drm_devstate {
 	pid_t		  owner;	/* X server pid holding x_lock */
-	
+
 } drm_devstate_t;
 
 typedef struct drm_magic_entry {
@@ -258,8 +162,8 @@ typedef struct drm_magic_entry {
 } drm_magic_entry_t;
 
 typedef struct drm_magic_head {
-       struct drm_magic_entry *head;
-       struct drm_magic_entry *tail;
+	struct drm_magic_entry *head;
+	struct drm_magic_entry *tail;
 } drm_magic_head_t;
 
 typedef struct drm_vma_entry {
@@ -279,7 +183,7 @@ typedef struct drm_buf {
 	struct drm_buf	  *next;       /* Kernel-only: used for free list    */
 	__volatile__ int  waiting;     /* On kernel DMA queue		     */
 	__volatile__ int  pending;     /* On hardware DMA queue		     */
-	int		  dma_wait;    /* Processes waiting		     */
+	wait_queue_head_t dma_wait;    /* Processes waiting		     */
 	pid_t		  pid;	       /* PID of holding process	     */
 	int		  context;     /* Kernel queue for this buffer	     */
 	int		  while_locked;/* Dispatch this buffer while locked  */
@@ -292,15 +196,15 @@ typedef struct drm_buf {
 		DRM_LIST_RECLAIM = 5
 	}		  list;	       /* Which list we're on		     */
 
-	void *dev_private;
-	int dev_priv_size;
-
 #if DRM_DMA_HISTOGRAM
-	struct timespec	  time_queued;	   /* Queued to kernel DMA queue     */
-	struct timespec	  time_dispatched; /* Dispatched to hardware	     */
-	struct timespec	  time_completed;  /* Completed by hardware	     */
-	struct timespec	  time_freed;	   /* Back on freelist		     */
+	cycles_t	  time_queued;	   /* Queued to kernel DMA queue     */
+	cycles_t	  time_dispatched; /* Dispatched to hardware	     */
+	cycles_t	  time_completed;  /* Completed by hardware	     */
+	cycles_t	  time_freed;	   /* Back on freelist		     */
 #endif
+
+	int		  dev_priv_size; /* Size of buffer private stoarge   */
+	void		  *dev_private;  /* Per-buffer private storage       */
 } drm_buf_t;
 
 #if DRM_DMA_HISTOGRAM
@@ -309,14 +213,14 @@ typedef struct drm_buf {
 #define DRM_DMA_HISTOGRAM_NEXT(current)	 ((current)*10)
 typedef struct drm_histogram {
 	atomic_t	  total;
-	
+
 	atomic_t	  queued_to_dispatched[DRM_DMA_HISTOGRAM_SLOTS];
 	atomic_t	  dispatched_to_completed[DRM_DMA_HISTOGRAM_SLOTS];
 	atomic_t	  completed_to_freed[DRM_DMA_HISTOGRAM_SLOTS];
-	
+
 	atomic_t	  queued_to_completed[DRM_DMA_HISTOGRAM_SLOTS];
 	atomic_t	  queued_to_freed[DRM_DMA_HISTOGRAM_SLOTS];
-	
+
 	atomic_t	  dma[DRM_DMA_HISTOGRAM_SLOTS];
 	atomic_t	  schedule[DRM_DMA_HISTOGRAM_SLOTS];
 	atomic_t	  ctx[DRM_DMA_HISTOGRAM_SLOTS];
@@ -332,20 +236,20 @@ typedef struct drm_waitlist {
 	drm_buf_t	  **rp;		/* Read pointer			   */
 	drm_buf_t	  **wp;		/* Write pointer		   */
 	drm_buf_t	  **end;	/* End pointer			   */
-	spinlock_t	  read_lock;
-	spinlock_t	  write_lock;
+	DRM_OS_SPINTYPE	  read_lock;
+	DRM_OS_SPINTYPE	  write_lock;
 } drm_waitlist_t;
 
 typedef struct drm_freelist {
 	int		  initialized; /* Freelist in use		   */
 	atomic_t	  count;       /* Number of free buffers	   */
 	drm_buf_t	  *next;       /* End pointer			   */
-	
-	int		  waiting;     /* Processes waiting on free bufs   */
+
+	wait_queue_head_t waiting;     /* Processes waiting on free bufs   */
 	int		  low_mark;    /* Low water mark		   */
 	int		  high_mark;   /* High water mark		   */
 	atomic_t	  wfh;	       /* If waiting for high mark	   */
-	struct simplelock	  lock;	       /* hope this doesn't need to be linux compatible */
+	DRM_OS_SPINTYPE   lock;
 } drm_freelist_t;
 
 typedef struct drm_buf_entry {
@@ -365,7 +269,7 @@ typedef struct drm_hw_lock {
 } drm_hw_lock_t;
 
 typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t;
-typedef struct drm_file {
+struct drm_file {
 	TAILQ_ENTRY(drm_file) link;
 	int		  authenticated;
 	int		  minor;
@@ -375,38 +279,40 @@ typedef struct drm_file {
 	drm_magic_t	  magic;
 	unsigned long	  ioctl_count;
 	struct drm_device *devXX;
-} drm_file_t;
-
+};
 
 typedef struct drm_queue {
 	atomic_t	  use_count;	/* Outstanding uses (+1)	    */
 	atomic_t	  finalization;	/* Finalization in progress	    */
 	atomic_t	  block_count;	/* Count of processes waiting	    */
 	atomic_t	  block_read;	/* Queue blocked for reads	    */
-	int		  read_queue;	/* Processes waiting on block_read  */
+	wait_queue_head_t read_queue;	/* Processes waiting on block_read  */
 	atomic_t	  block_write;	/* Queue blocked for writes	    */
-	int		  write_queue;	/* Processes waiting on block_write */
+	wait_queue_head_t write_queue;	/* Processes waiting on block_write */
+#if 1
 	atomic_t	  total_queued;	/* Total queued statistic	    */
 	atomic_t	  total_flushed;/* Total flushes statistic	    */
 	atomic_t	  total_locks;	/* Total locks statistics	    */
+#endif
 	drm_ctx_flags_t	  flags;	/* Context preserving and 2D-only   */
 	drm_waitlist_t	  waitlist;	/* Pending buffers		    */
-	int		  flush_queue;	/* Processes waiting until flush    */
+	wait_queue_head_t flush_queue;	/* Processes waiting until flush    */
 } drm_queue_t;
 
 typedef struct drm_lock_data {
 	drm_hw_lock_t	  *hw_lock;	/* Hardware lock		   */
 	pid_t		  pid;		/* PID of lock holder (0=kernel)   */
-	int		  lock_queue;	/* Queue of blocked processes	   */
+	wait_queue_head_t lock_queue;	/* Queue of blocked processes	   */
 	unsigned long	  lock_time;	/* Time of last lock in jiffies	   */
 } drm_lock_data_t;
 
 typedef struct drm_device_dma {
+#if 0
 				/* Performance Counters */
 	atomic_t	  total_prio;	/* Total DRM_DMA_PRIORITY	   */
 	atomic_t	  total_bytes;	/* Total bytes DMA'd		   */
 	atomic_t	  total_dmas;	/* Total DMA buffers dispatched	   */
-	
+
 	atomic_t	  total_missed_dma;  /* Missed drm_do_dma	    */
 	atomic_t	  total_missed_lock; /* Missed lock in drm_do_dma   */
 	atomic_t	  total_missed_free; /* Missed drm_free_this_buffer */
@@ -415,27 +321,28 @@ typedef struct drm_device_dma {
 	atomic_t	  total_tried;	/* Tried next_buffer		    */
 	atomic_t	  total_hit;	/* Sent next_buffer		    */
 	atomic_t	  total_lost;	/* Lost interrupt		    */
+#endif
 
 	drm_buf_entry_t	  bufs[DRM_MAX_ORDER+1];
 	int		  buf_count;
 	drm_buf_t	  **buflist;	/* Vector of pointers info bufs	   */
-	int		  seg_count; 
+	int		  seg_count;
 	int		  page_count;
-	vm_offset_t	  *pagelist;
+	unsigned long	  *pagelist;
 	unsigned long	  byte_count;
 	enum {
-	   _DRM_DMA_USE_AGP = 0x01
+		_DRM_DMA_USE_AGP = 0x01,
+		_DRM_DMA_USE_SG  = 0x02
 	} flags;
 
 				/* DMA support */
 	drm_buf_t	  *this_buffer;	/* Buffer being sent		   */
 	drm_buf_t	  *next_buffer; /* Selected buffer to send	   */
 	drm_queue_t	  *next_queue;	/* Queue from which buffer selected*/
-	int		   waiting;	/* Processes waiting on free bufs  */
+	wait_queue_head_t waiting;	/* Processes waiting on free bufs  */
 } drm_device_dma_t;
 
-#ifdef DRM_AGP
-
+#if __REALLY_HAVE_AGP
 typedef struct drm_agp_mem {
 	void               *handle;
 	unsigned long      bound; /* address */
@@ -454,27 +361,45 @@ typedef struct drm_agp_head {
 	int                acquired;
 	unsigned long      base;
    	int 		   agp_mtrr;
+	int		   cant_use_aperture;
+	unsigned long	   page_mask;
 } drm_agp_head_t;
-
 #endif
 
-typedef struct drm_device {
+typedef struct drm_sg_mem {
+	unsigned long   handle;
+	void            *virtual;
+	int             pages;
+	struct page     **pagelist;
+} drm_sg_mem_t;
+
+typedef struct drm_sigdata {
+	int           context;
+	drm_hw_lock_t *lock;
+} drm_sigdata_t;
+
+typedef TAILQ_HEAD(drm_map_list, drm_map_list_entry) drm_map_list_t;
+typedef struct drm_map_list_entry {
+	TAILQ_ENTRY(drm_map_list_entry) link;
+	drm_map_t	*map;
+} drm_map_list_entry_t;
+
+struct drm_device {
 	const char	  *name;	/* Simple driver name		   */
 	char		  *unique;	/* Unique identifier: e.g., busid  */
 	int		  unique_len;	/* Length of unique field	   */
 	device_t	  device;	/* Device instance from newbus     */
 	dev_t		  devnode;	/* Device number for mknod	   */
 	char		  *devname;	/* For /proc/interrupts		   */
-	
+
 	int		  blocked;	/* Blocked due to VC switch?	   */
 	int		  flags;	/* Flags to open(2)		   */
 	int		  writable;	/* Opened with FWRITE		   */
 	struct proc_dir_entry *root;	/* Root for this device's entries  */
 
 				/* Locks */
-	struct simplelock count_lock;	/* For inuse, open_count, buf_use  */
-	struct lock	  dev_lock;	/* For others			   */
-
+	DRM_OS_SPINTYPE	  count_lock;	/* For inuse, open_count, buf_use  */
+	struct lock       dev_lock;	/* For others			   */
 				/* Usage Counters */
 	int		  open_count;	/* Outstanding files open	   */
 	atomic_t	  ioctl_count;	/* Outstanding IOCTLs pending	   */
@@ -482,26 +407,22 @@ typedef struct drm_device {
 	int		  buf_use;	/* Buffers in use -- cannot alloc  */
 	atomic_t	  buf_alloc;	/* Buffer allocation in progress   */
 
-				/* Performance Counters */
-	atomic_t	  total_open;
-	atomic_t	  total_close;
-	atomic_t	  total_ioctl;
-	atomic_t	  total_irq;	/* Total interruptions		   */
-	atomic_t	  total_ctx;	/* Total context switches	   */
-	
-	atomic_t	  total_locks;
-	atomic_t	  total_unlocks;
-	atomic_t	  total_contends;
-	atomic_t	  total_sleeps;
+				/* Performance counters */
+	unsigned long     counters;
+	drm_stat_type_t   types[15];
+	atomic_t          counts[15];
 
 				/* Authentication */
 	drm_file_list_t   files;
 	drm_magic_head_t  magiclist[DRM_HASH_SIZE];
 
 				/* Memory management */
-	drm_map_t	  **maplist;	/* Vector of pointers to regions   */
+	drm_map_list_t	  *maplist;	/* Linked list of regions	   */
 	int		  map_count;	/* Number of mappable regions	   */
 
+	drm_map_t	  **context_sareas;
+	int		  max_context;
+
 	drm_vma_entry_t	  *vmalist;	/* List of vmas (for debugging)	   */
 	drm_lock_data_t	  lock;		/* Information on hardware lock	   */
 
@@ -513,223 +434,199 @@ typedef struct drm_device {
 	drm_device_dma_t  *dma;		/* Optional pointer for DMA support */
 
 				/* Context support */
-	struct resource   *irq;		/* Interrupt used by board	   */
+	int		  irq;		/* Interrupt used by board	   */
+	struct resource   *irqr;	/* Resource for interrupt used by board	   */
 	void		  *irqh;	/* Handle from bus_setup_intr      */
-	__volatile__ long  context_flag; /* Context swapping flag	   */
-	__volatile__ long  interrupt_flag;/* Interruption handler flag	   */
-	__volatile__ long  dma_flag;	 /* DMA dispatch flag		   */
-	struct callout	  timer;	/* Timer for delaying ctx switch   */
-	int		  context_wait; /* Processes waiting on ctx switch */
+	__volatile__ long context_flag;	/* Context swapping flag	   */
+	__volatile__ long interrupt_flag; /* Interruption handler flag	   */
+	__volatile__ long dma_flag;	/* DMA dispatch flag		   */
+	struct callout    timer;	/* Timer for delaying ctx switch   */
+	wait_queue_head_t context_wait; /* Processes waiting on ctx switch */
 	int		  last_checked;	/* Last context checked for DMA	   */
 	int		  last_context;	/* Last current context		   */
-	int		  last_switch;	/* Time at last context switch  */
+	unsigned long	  last_switch;	/* jiffies at last context switch  */
 #if __FreeBSD_version >= 400005
-	struct task	  task;
+	struct task       task;
 #endif
-	struct timespec	  ctx_start;
-	struct timespec	  lck_start;
-#if DRM_DMA_HISTOGRAM
+	cycles_t	  ctx_start;
+	cycles_t	  lck_start;
+#if __HAVE_DMA_HISTOGRAM
 	drm_histogram_t	  histo;
 #endif
-	
+
 				/* Callback to X server for context switch
 				   and for heavy-handed reset. */
 	char		  buf[DRM_BSZ]; /* Output buffer		   */
 	char		  *buf_rp;	/* Read pointer			   */
 	char		  *buf_wp;	/* Write pointer		   */
 	char		  *buf_end;	/* End pointer			   */
-	struct sigio	  *buf_sigio;   /* Processes waiting for SIGIO	   */
+	struct sigio      *buf_sigio;	/* Processes waiting for SIGIO     */
 	struct selinfo    buf_sel;	/* Workspace for select/poll       */
-	int		  buf_readers;	/* Processes waiting to read	   */
-	int		  buf_writers;	/* Processes waiting to ctx switch */
-	int		  buf_selecting; /* True if poll sleeper           */
+	int               buf_selecting;/* True if poll sleeper            */
+	wait_queue_head_t buf_readers;	/* Processes waiting to read	   */
+	wait_queue_head_t buf_writers;	/* Processes waiting to ctx switch */
 
 				/* Sysctl support */
 	struct drm_sysctl_info *sysctl;
 
-#ifdef DRM_AGP
+#if __REALLY_HAVE_AGP
 	drm_agp_head_t    *agp;
 #endif
-	u_int32_t	  *ctx_bitmap;
+	struct pci_dev *pdev;
+#ifdef __alpha__
+#if LINUX_VERSION_CODE < 0x020403
+	struct pci_controler *hose;
+#else
+	struct pci_controller *hose;
+#endif
+#endif
+	drm_sg_mem_t      *sg;  /* Scatter gather memory */
+	unsigned long     *ctx_bitmap;
 	void		  *dev_private;
-} drm_device_t;
-
-
-				/* Internal function definitions */
-
-				/* Misc. support (init.c) */
-extern int	     drm_flags;
-extern void	     drm_parse_options(char *s);
-
-
-				/* Device support (fops.c) */
-extern drm_file_t *drm_find_file_by_proc(drm_device_t *dev, struct proc *p);
-extern int drm_open_helper(dev_t kdev, int flags, int fmt, struct proc *p,
-			   drm_device_t *dev);
-extern d_close_t     drm_close;
-extern d_read_t	     drm_read;
-extern d_write_t     drm_write;
-extern d_poll_t	     drm_poll;
-extern int	     drm_fsetown(dev_t kdev, u_long cmd, caddr_t data,
-				 int flags, struct proc *p);
-extern int	     drm_fgetown(dev_t kdev, u_long cmd, caddr_t data,
-				 int flags, struct proc *p);
-extern int	     drm_write_string(drm_device_t *dev, const char *s);
-
-#if 0
-				/* Mapping support (vm.c) */
-extern unsigned long drm_vm_nopage(struct vm_area_struct *vma,
-				   unsigned long address,
-				   int write_access);
-extern unsigned long drm_vm_shm_nopage(struct vm_area_struct *vma,
-				       unsigned long address,
-				       int write_access);
-extern unsigned long drm_vm_dma_nopage(struct vm_area_struct *vma,
-				       unsigned long address,
-				       int write_access);
-extern void	     drm_vm_open(struct vm_area_struct *vma);
-extern void	     drm_vm_close(struct vm_area_struct *vma);
-extern int	     drm_mmap_dma(struct file *filp,
-				  struct vm_area_struct *vma);
+	drm_sigdata_t     sigdata; /* For block_all_signals */
+	sigset_t          sigmask;
+};
+
+extern int	     DRM(flags);
+extern void	     DRM(parse_options)( char *s );
+extern int           DRM(cpu_valid)( void );
+
+				/* Authentication (drm_auth.h) */
+extern int           DRM(add_magic)(drm_device_t *dev, drm_file_t *priv, 
+				    drm_magic_t magic);
+extern int           DRM(remove_magic)(drm_device_t *dev, drm_magic_t magic);
+
+				/* Driver support (drm_drv.h) */
+extern int           DRM(version)( DRM_OS_IOCTL );
+extern int	     DRM(write_string)(drm_device_t *dev, const char *s);
+
+				/* Memory management support (drm_memory.h) */
+extern void	     DRM(mem_init)(void);
+extern void	     *DRM(alloc)(size_t size, int area);
+extern void	     *DRM(realloc)(void *oldpt, size_t oldsize, size_t size,
+				   int area);
+extern char	     *DRM(strdup)(const char *s, int area);
+extern void	     DRM(strfree)(char *s, int area);
+extern void	     DRM(free)(void *pt, size_t size, int area);
+extern unsigned long DRM(alloc_pages)(int order, int area);
+extern void	     DRM(free_pages)(unsigned long address, int order,
+				     int area);
+extern void	     *DRM(ioremap)(unsigned long offset, unsigned long size);
+extern void	     DRM(ioremapfree)(void *pt, unsigned long size);
+
+#if __REALLY_HAVE_AGP
+extern agp_memory    *DRM(alloc_agp)(int pages, u32 type);
+extern int           DRM(free_agp)(agp_memory *handle, int pages);
+extern int           DRM(bind_agp)(agp_memory *handle, unsigned int start);
+extern int           DRM(unbind_agp)(agp_memory *handle);
 #endif
-extern d_mmap_t	     drm_mmap;
 
-				/* Proc support (proc.c) */
-extern int	     drm_sysctl_init(drm_device_t *dev);
-extern int	     drm_sysctl_cleanup(drm_device_t *dev);
+extern int	     DRM(context_switch)(drm_device_t *dev, int old, int new);
+extern int	     DRM(context_switch_complete)(drm_device_t *dev, int new);
 
-				/* Memory management support (memory.c) */
-extern void	     drm_mem_init(void);
+#if __HAVE_CTX_BITMAP
+extern int	     DRM(ctxbitmap_init)( drm_device_t *dev );
+extern void	     DRM(ctxbitmap_cleanup)( drm_device_t *dev );
+extern void          DRM(ctxbitmap_free)( drm_device_t *dev, int ctx_handle );
+extern int           DRM(ctxbitmap_next)( drm_device_t *dev );
+#endif
 
-#if __FreeBSD_version < 411000
-#define DRM_SYSCTL_HANDLER_ARGS SYSCTL_HANDLER_ARGS
-#else
-#define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS)
+				/* Locking IOCTL support (drm_lock.h) */
+extern int	     DRM(lock_take)(__volatile__ unsigned int *lock,
+				    unsigned int context);
+extern int	     DRM(lock_transfer)(drm_device_t *dev,
+					__volatile__ unsigned int *lock,
+					unsigned int context);
+extern int	     DRM(lock_free)(drm_device_t *dev,
+				    __volatile__ unsigned int *lock,
+				    unsigned int context);
+extern int	     DRM(flush_unblock)(drm_device_t *dev, int context,
+					drm_lock_flags_t flags);
+extern int	     DRM(flush_block_and_flush)(drm_device_t *dev, int context,
+						drm_lock_flags_t flags);
+extern int           DRM(notifier)(void *priv);
+
+				/* Buffer management support (drm_bufs.h) */
+extern int	     DRM(order)( unsigned long size );
+
+#if __HAVE_DMA
+				/* DMA support (drm_dma.h) */
+extern int	     DRM(dma_setup)(drm_device_t *dev);
+extern void	     DRM(dma_takedown)(drm_device_t *dev);
+extern void	     DRM(free_buffer)(drm_device_t *dev, drm_buf_t *buf);
+extern void	     DRM(reclaim_buffers)(drm_device_t *dev, pid_t pid);
+#if __HAVE_OLD_DMA
+/* GH: This is a dirty hack for now...
+ */
+extern void	     DRM(clear_next_buffer)(drm_device_t *dev);
+extern int	     DRM(select_queue)(drm_device_t *dev,
+				       void (*wrapper)(unsigned long));
+extern int	     DRM(dma_enqueue)(drm_device_t *dev, drm_dma_t *dma);
+extern int	     DRM(dma_get_buffers)(drm_device_t *dev, drm_dma_t *dma);
+#endif
+#if __HAVE_DMA_IRQ
+extern int           DRM(irq_install)( drm_device_t *dev, int irq );
+extern int           DRM(irq_uninstall)( drm_device_t *dev );
+extern void          DRM(dma_service)( DRM_OS_IRQ_ARGS );
+#if __HAVE_DMA_IRQ_BH
+extern void          DRM(dma_immediate_bh)( DRM_OS_TASKQUEUE_ARGS );
 #endif
-extern int	     drm_mem_info DRM_SYSCTL_HANDLER_ARGS;
-extern void	     *drm_alloc(size_t size, int area);
-extern void	     *drm_realloc(void *oldpt, size_t oldsize, size_t size,
-				  int area);
-extern char	     *drm_strdup(const char *s, int area);
-extern void	     drm_strfree(char *s, int area);
-extern void	     drm_free(void *pt, size_t size, int area);
-extern unsigned long drm_alloc_pages(int order, int area);
-extern void	     drm_free_pages(unsigned long address, int order,
-				    int area);
-extern void	     *drm_ioremap(unsigned long offset, unsigned long size);
-extern void	     drm_ioremapfree(void *pt, unsigned long size);
-
-#ifdef DRM_AGP
-extern void	    *drm_alloc_agp(int pages, u_int32_t type);
-extern int           drm_free_agp(void *handle, int pages);
-extern int           drm_bind_agp(void *handle, unsigned int start);
-extern int           drm_unbind_agp(void *handle);
 #endif
-
-				/* Buffer management support (bufs.c) */
-extern int	     drm_order(unsigned long size);
-extern d_ioctl_t     drm_addmap;
-extern d_ioctl_t     drm_addbufs;
-extern d_ioctl_t     drm_infobufs;
-extern d_ioctl_t     drm_markbufs;
-extern d_ioctl_t     drm_freebufs;
-extern d_ioctl_t     drm_mapbufs;
-
-
-				/* Buffer list management support (lists.c) */
-extern int	     drm_waitlist_create(drm_waitlist_t *bl, int count);
-extern int	     drm_waitlist_destroy(drm_waitlist_t *bl);
-extern int	     drm_waitlist_put(drm_waitlist_t *bl, drm_buf_t *buf);
-extern drm_buf_t     *drm_waitlist_get(drm_waitlist_t *bl);
-
-extern int	     drm_freelist_create(drm_freelist_t *bl, int count);
-extern int	     drm_freelist_destroy(drm_freelist_t *bl);
-extern int	     drm_freelist_put(drm_device_t *dev, drm_freelist_t *bl,
-				      drm_buf_t *buf);
-extern drm_buf_t     *drm_freelist_get(drm_freelist_t *bl, int block);
-
-				/* DMA support (gen_dma.c) */
-extern void	     drm_dma_setup(drm_device_t *dev);
-extern void	     drm_dma_takedown(drm_device_t *dev);
-extern void	     drm_free_buffer(drm_device_t *dev, drm_buf_t *buf);
-extern void	     drm_reclaim_buffers(drm_device_t *dev, pid_t pid);
-extern int	     drm_context_switch(drm_device_t *dev, int old, int new);
-extern int	     drm_context_switch_complete(drm_device_t *dev, int new);
-extern void	     drm_wakeup(drm_device_t *dev, drm_buf_t *buf);
-extern void	     drm_clear_next_buffer(drm_device_t *dev);
-extern int	     drm_select_queue(drm_device_t *dev,
-				      void (*wrapper)(void *));
-extern int	     drm_dma_enqueue(drm_device_t *dev, drm_dma_t *dma);
-extern int	     drm_dma_get_buffers(drm_device_t *dev, drm_dma_t *dma);
 #if DRM_DMA_HISTOGRAM
-extern int	     drm_histogram_slot(struct timespec *ts);
-extern void	     drm_histogram_compute(drm_device_t *dev, drm_buf_t *buf);
+extern int	     DRM(histogram_slot)(unsigned long count);
+extern void	     DRM(histogram_compute)(drm_device_t *dev, drm_buf_t *buf);
 #endif
 
+				/* Buffer list support (drm_lists.h) */
+#if __HAVE_DMA_WAITLIST
+extern int	     DRM(waitlist_create)(drm_waitlist_t *bl, int count);
+extern int	     DRM(waitlist_destroy)(drm_waitlist_t *bl);
+extern int	     DRM(waitlist_put)(drm_waitlist_t *bl, drm_buf_t *buf);
+extern drm_buf_t     *DRM(waitlist_get)(drm_waitlist_t *bl);
+#endif
+#if __HAVE_DMA_FREELIST
+extern int	     DRM(freelist_create)(drm_freelist_t *bl, int count);
+extern int	     DRM(freelist_destroy)(drm_freelist_t *bl);
+extern int	     DRM(freelist_put)(drm_device_t *dev, drm_freelist_t *bl,
+				       drm_buf_t *buf);
+extern drm_buf_t     *DRM(freelist_get)(drm_freelist_t *bl, int block);
+#endif
+#endif /* __HAVE_DMA */
+
+#if __REALLY_HAVE_AGP
+				/* AGP/GART support (drm_agpsupport.h) */
+extern drm_agp_head_t *DRM(agp_init)(void);
+extern void           DRM(agp_uninit)(void);
+extern void           DRM(agp_do_release)(void);
+extern agp_memory     *DRM(agp_allocate_memory)(size_t pages, u32 type);
+extern int            DRM(agp_free_memory)(agp_memory *handle);
+extern int            DRM(agp_bind_memory)(agp_memory *handle, off_t start);
+extern int            DRM(agp_unbind_memory)(agp_memory *handle);
+#endif
 
-				/* Misc. IOCTL support (ioctl.c) */
-extern d_ioctl_t     drm_irq_busid;
-extern d_ioctl_t     drm_getunique;
-extern d_ioctl_t     drm_setunique;
-
-
-				/* Context IOCTL support (context.c) */
-extern d_ioctl_t     drm_resctx;
-extern d_ioctl_t     drm_addctx;
-extern d_ioctl_t     drm_modctx;
-extern d_ioctl_t     drm_getctx;
-extern d_ioctl_t     drm_switchctx;
-extern d_ioctl_t     drm_newctx;
-extern d_ioctl_t     drm_rmctx;
-
-
-				/* Drawable IOCTL support (drawable.c) */
-extern d_ioctl_t     drm_adddraw;
-extern d_ioctl_t     drm_rmdraw;
-
-
-				/* Authentication IOCTL support (auth.c) */
-extern int	     drm_add_magic(drm_device_t *dev, drm_file_t *priv,
-				   drm_magic_t magic);
-extern int	     drm_remove_magic(drm_device_t *dev, drm_magic_t magic);
-extern d_ioctl_t     drm_getmagic;
-extern d_ioctl_t     drm_authmagic;
-
-
-				/* Locking IOCTL support (lock.c) */
-extern d_ioctl_t     drm_block;
-extern d_ioctl_t     drm_unblock;
-extern int	     drm_lock_take(__volatile__ unsigned int *lock,
-				   unsigned int context);
-extern int	     drm_lock_transfer(drm_device_t *dev,
-				       __volatile__ unsigned int *lock,
-				       unsigned int context);
-extern int	     drm_lock_free(drm_device_t *dev,
-				   __volatile__ unsigned int *lock,
-				   unsigned int context);
-extern d_ioctl_t     drm_finish;
-extern int	     drm_flush_unblock(drm_device_t *dev, int context,
-				       drm_lock_flags_t flags);
-extern int	     drm_flush_block_and_flush(drm_device_t *dev, int context,
-					       drm_lock_flags_t flags);
-
-				/* Context Bitmap support (ctxbitmap.c) */
-extern int	     drm_ctxbitmap_init(drm_device_t *dev);
-extern void	     drm_ctxbitmap_cleanup(drm_device_t *dev);
-extern int	     drm_ctxbitmap_next(drm_device_t *dev);
-extern void	     drm_ctxbitmap_free(drm_device_t *dev, int ctx_handle);
-
-#ifdef DRM_AGP
-				/* AGP/GART support (agpsupport.c) */
-extern drm_agp_head_t *drm_agp_init(void);
-extern d_ioctl_t     drm_agp_acquire;
-extern d_ioctl_t     drm_agp_release;
-extern d_ioctl_t     drm_agp_enable;
-extern d_ioctl_t     drm_agp_info;
-extern d_ioctl_t     drm_agp_alloc;
-extern d_ioctl_t     drm_agp_free;
-extern d_ioctl_t     drm_agp_unbind;
-extern d_ioctl_t     drm_agp_bind;
+				/* Proc support (drm_proc.h) */
+extern struct proc_dir_entry *DRM(proc_init)(drm_device_t *dev,
+					     int minor,
+					     struct proc_dir_entry *root,
+					     struct proc_dir_entry **dev_root);
+extern int            DRM(proc_cleanup)(int minor,
+					struct proc_dir_entry *root,
+					struct proc_dir_entry *dev_root);
+
+#if __HAVE_SG
+				/* Scatter Gather Support (drm_scatter.h) */
+extern void           DRM(sg_cleanup)(drm_sg_mem_t *entry);
 #endif
+
+#if __REALLY_HAVE_SG
+                               /* ATI PCIGART support (ati_pcigart.h) */
+extern int            DRM(ati_pcigart_init)(drm_device_t *dev,
+					    unsigned long *addr,
+					    dma_addr_t *bus_addr);
+extern int            DRM(ati_pcigart_cleanup)(drm_device_t *dev,
+					       unsigned long addr,
+					       dma_addr_t bus_addr);
 #endif
+
+#endif /* __KERNEL__ */
 #endif
diff --git a/bsd/drm_agpsupport.h b/bsd/drm_agpsupport.h
new file mode 100644
index 00000000..ac12c867
--- /dev/null
+++ b/bsd/drm_agpsupport.h
@@ -0,0 +1,326 @@
+/* drm_agpsupport.h -- DRM support for AGP/GART backend -*- linux-c -*-
+ * Created: Mon Dec 13 09:56:45 1999 by faith@precisioninsight.com
+ *
+ * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Author:
+ *    Rickard E. (Rik) Faith <faith@valinux.com>
+ *    Gareth Hughes <gareth@valinux.com>
+ */
+
+#include "drmP.h"
+
+#include <vm/vm.h>
+#include <vm/pmap.h>
+#if __REALLY_HAVE_AGP
+#include <sys/agpio.h>
+#endif
+
+int DRM(agp_info)(DRM_OS_IOCTL)
+{
+	drm_device_t	*dev	= kdev->si_drv1;
+	struct agp_info *kern;
+	drm_agp_info_t   info;
+
+	if (!dev->agp || !dev->agp->acquired) return EINVAL;
+
+	kern                   = &dev->agp->info;
+	agp_get_info(dev->agp->agpdev, kern);
+	info.agp_version_major = 1;
+	info.agp_version_minor = 0;
+	info.mode              = kern->ai_mode;
+	info.aperture_base     = kern->ai_aperture_base;
+	info.aperture_size     = kern->ai_aperture_size;
+	info.memory_allowed    = kern->ai_memory_allowed;
+	info.memory_used       = kern->ai_memory_used;
+	info.id_vendor         = kern->ai_devid & 0xffff;
+	info.id_device         = kern->ai_devid >> 16;
+
+	*(drm_agp_info_t *) data = info;
+	return 0;
+}
+
+int DRM(agp_acquire)(DRM_OS_IOCTL)
+{
+	drm_device_t *dev = kdev->si_drv1;
+	int          retcode;
+
+	if (!dev->agp || dev->agp->acquired) return EINVAL;
+	retcode = agp_acquire(dev->agp->agpdev);
+	if (retcode) return retcode;
+	dev->agp->acquired = 1;
+	return 0;
+}
+
+int DRM(agp_release)(DRM_OS_IOCTL)
+{
+	drm_device_t *dev = kdev->si_drv1;
+
+	if (!dev->agp || !dev->agp->acquired)
+		return EINVAL;
+	agp_release(dev->agp->agpdev);
+	dev->agp->acquired = 0;
+	return 0;
+	
+}
+
+void DRM(agp_do_release)(void)
+{
+	device_t agpdev;
+
+	agpdev = agp_find_device();
+	if (agpdev)
+		agp_release(agpdev);
+}
+
+int DRM(agp_enable)(DRM_OS_IOCTL)
+{
+	drm_device_t   *dev = kdev->si_drv1;
+	drm_agp_mode_t mode;
+
+	if (!dev->agp || !dev->agp->acquired) return EINVAL;
+
+	mode = *(drm_agp_mode_t *) data;
+	
+	dev->agp->mode    = mode.mode;
+	agp_enable(dev->agp->agpdev, mode.mode);
+	dev->agp->base    = dev->agp->info.ai_aperture_base;
+	dev->agp->enabled = 1;
+	return 0;
+}
+
+int DRM(agp_alloc)(DRM_OS_IOCTL)
+{
+	drm_device_t     *dev = kdev->si_drv1;
+	drm_agp_buffer_t request;
+	drm_agp_mem_t    *entry;
+	void	         *handle;
+	unsigned long    pages;
+	u_int32_t	 type;
+	struct agp_memory_info info;
+
+	if (!dev->agp || !dev->agp->acquired) return EINVAL;
+
+	request = *(drm_agp_buffer_t *) data;
+
+	if (!(entry = DRM(alloc)(sizeof(*entry), DRM_MEM_AGPLISTS)))
+		return ENOMEM;
+   
+   	bzero(entry, sizeof(*entry));
+
+	pages = (request.size + PAGE_SIZE - 1) / PAGE_SIZE;
+	type = (u_int32_t) request.type;
+
+	if (!(handle = DRM(alloc_agp)(pages, type))) {
+		DRM(free)(entry, sizeof(*entry), DRM_MEM_AGPLISTS);
+		return ENOMEM;
+	}
+	
+	entry->handle    = handle;
+	entry->bound     = 0;
+	entry->pages     = pages;
+	entry->prev      = NULL;
+	entry->next      = dev->agp->memory;
+	if (dev->agp->memory) dev->agp->memory->prev = entry;
+	dev->agp->memory = entry;
+
+	agp_memory_info(dev->agp->agpdev, entry->handle, &info);
+
+	request.handle   = (unsigned long) entry->handle;
+        request.physical = info.ami_physical;
+
+	*(drm_agp_buffer_t *) data = request;
+
+	return 0;
+}
+
+static drm_agp_mem_t * DRM(agp_lookup_entry)(drm_device_t *dev, void *handle)
+{
+	drm_agp_mem_t *entry;
+
+	for (entry = dev->agp->memory; entry; entry = entry->next) {
+		if (entry->handle == handle) return entry;
+	}
+	return NULL;
+}
+
+int DRM(agp_unbind)(DRM_OS_IOCTL)
+{
+	drm_device_t      *dev = kdev->si_drv1;
+	drm_agp_binding_t request;
+	drm_agp_mem_t     *entry;
+	int retcode;
+
+	if (!dev->agp || !dev->agp->acquired) return EINVAL;
+	request = *(drm_agp_binding_t *) data;
+	if (!(entry = DRM(agp_lookup_entry)(dev, (void *) request.handle)))
+		return EINVAL;
+	if (!entry->bound) return EINVAL;
+	retcode=DRM(unbind_agp)(entry->handle);
+	if (!retcode)
+	{
+		entry->bound=0;
+		return 0;
+	}
+	else
+		return retcode;
+}
+
+int DRM(agp_bind)(DRM_OS_IOCTL)
+{
+	drm_device_t      *dev = kdev->si_drv1;
+	drm_agp_binding_t request;
+	drm_agp_mem_t     *entry;
+	int               retcode;
+	int               page;
+	
+	DRM_DEBUG("agp_bind, page_size=%x\n", PAGE_SIZE);
+	if (!dev->agp || !dev->agp->acquired)
+		return EINVAL;
+	request = *(drm_agp_binding_t *) data;
+	if (!(entry = DRM(agp_lookup_entry)(dev, (void *) request.handle)))
+		return EINVAL;
+	if (entry->bound) return EINVAL;
+	page = (request.offset + PAGE_SIZE - 1) / PAGE_SIZE;
+	if ((retcode = DRM(bind_agp)(entry->handle, page)))
+		return retcode;
+	entry->bound = dev->agp->base + (page << PAGE_SHIFT);
+	return 0;
+}
+
+int DRM(agp_free)(DRM_OS_IOCTL)
+{
+	drm_device_t     *dev = kdev->si_drv1;
+	drm_agp_buffer_t request;
+	drm_agp_mem_t    *entry;
+	
+	if (!dev->agp || !dev->agp->acquired) return EINVAL;
+	request = *(drm_agp_buffer_t *) data;
+	if (!(entry = DRM(agp_lookup_entry)(dev, (void*) request.handle)))
+		return EINVAL;
+	if (entry->bound) DRM(unbind_agp)(entry->handle);
+   
+	if (entry->prev) entry->prev->next = entry->next;
+	else             dev->agp->memory  = entry->next;
+	if (entry->next) entry->next->prev = entry->prev;
+	DRM(free_agp)(entry->handle, entry->pages);
+	DRM(free)(entry, sizeof(*entry), DRM_MEM_AGPLISTS);
+	return 0;
+}
+
+drm_agp_head_t *DRM(agp_init)(void)
+{
+	device_t agpdev;
+	drm_agp_head_t *head   = NULL;
+	int      agp_available = 1;
+   
+	agpdev = agp_find_device();
+	if (!agpdev)
+		agp_available = 0;
+
+	DRM_DEBUG("agp_available = %d\n", agp_available);
+
+	if (agp_available) {
+		if (!(head = DRM(alloc)(sizeof(*head), DRM_MEM_AGPLISTS)))
+			return NULL;
+		bzero((void *)head, sizeof(*head));
+		head->agpdev = agpdev;
+		agp_get_info(agpdev, &head->info);
+		head->memory = NULL;
+#if 0				/* bogus */
+		switch (head->agp_info.chipset) {
+		case INTEL_GENERIC:  head->chipset = "Intel";          break;
+		case INTEL_LX:       head->chipset = "Intel 440LX";    break;
+		case INTEL_BX:       head->chipset = "Intel 440BX";    break;
+		case INTEL_GX:       head->chipset = "Intel 440GX";    break;
+		case INTEL_I810:     head->chipset = "Intel i810";     break;
+		case VIA_GENERIC:    head->chipset = "VIA";            break;
+		case VIA_VP3:        head->chipset = "VIA VP3";        break;
+		case VIA_MVP3:       head->chipset = "VIA MVP3";       break;
+		case VIA_APOLLO_PRO: head->chipset = "VIA Apollo Pro"; break;
+		case SIS_GENERIC:    head->chipset = "SiS";            break;
+		case AMD_GENERIC:    head->chipset = "AMD";            break;
+		case AMD_IRONGATE:   head->chipset = "AMD Irongate";   break;
+		case ALI_GENERIC:    head->chipset = "ALi";            break;
+		case ALI_M1541:      head->chipset = "ALi M1541";      break;
+		default:
+		}
+#endif
+		DRM_INFO("AGP at 0x%08x %dMB\n",
+			 head->info.ai_aperture_base,
+			 head->info.ai_aperture_size >> 20);
+	}
+	return head;
+}
+
+void DRM(agp_uninit)(void)
+{
+/* FIXME: What goes here */
+}
+
+
+agp_memory *DRM(agp_allocate_memory)(size_t pages, u32 type)
+{
+	device_t agpdev;
+
+	agpdev = agp_find_device();
+	if (!agpdev)
+		return NULL;
+
+	return agp_alloc_memory(agpdev, type, pages << AGP_PAGE_SHIFT);
+}
+
+int DRM(agp_free_memory)(agp_memory *handle)
+{
+	device_t agpdev;
+
+	agpdev = agp_find_device();
+	if (!agpdev || !handle)
+		return 0;
+
+	agp_free_memory(agpdev, handle);
+	return 1;
+}
+
+int DRM(agp_bind_memory)(agp_memory *handle, off_t start)
+{
+	device_t agpdev;
+
+	agpdev = agp_find_device();
+	if (!agpdev || !handle)
+		return EINVAL;
+
+	return agp_bind_memory(agpdev, handle, start * PAGE_SIZE);
+}
+
+int DRM(agp_unbind_memory)(agp_memory *handle)
+{
+	device_t agpdev;
+
+	agpdev = agp_find_device();
+	if (!agpdev || !handle)
+		return EINVAL;
+
+	return agp_unbind_memory(agpdev, handle);
+}
diff --git a/bsd/drm_auth.h b/bsd/drm_auth.h
new file mode 100644
index 00000000..f2c2d8da
--- /dev/null
+++ b/bsd/drm_auth.h
@@ -0,0 +1,166 @@
+/* drm_auth.h -- IOCTLs for authentication -*- linux-c -*-
+ * Created: Tue Feb  2 08:37:54 1999 by faith@valinux.com
+ *
+ * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Rickard E. (Rik) Faith <faith@valinux.com>
+ *    Gareth Hughes <gareth@valinux.com>
+ */
+
+#define __NO_VERSION__
+#include "drmP.h"
+
+static int DRM(hash_magic)(drm_magic_t magic)
+{
+	return magic & (DRM_HASH_SIZE-1);
+}
+
+static drm_file_t *DRM(find_file)(drm_device_t *dev, drm_magic_t magic)
+{
+	drm_file_t	  *retval = NULL;
+	drm_magic_entry_t *pt;
+	int		  hash	  = DRM(hash_magic)(magic);
+
+	DRM_OS_LOCK;
+	for (pt = dev->magiclist[hash].head; pt; pt = pt->next) {
+		if (pt->magic == magic) {
+			retval = pt->priv;
+			break;
+		}
+	}
+	DRM_OS_UNLOCK;
+	return retval;
+}
+
+int DRM(add_magic)(drm_device_t *dev, drm_file_t *priv, drm_magic_t magic)
+{
+	int		  hash;
+	drm_magic_entry_t *entry;
+
+	DRM_DEBUG("%d\n", magic);
+
+	hash	     = DRM(hash_magic)(magic);
+	entry	     = (drm_magic_entry_t*) DRM(alloc)(sizeof(*entry), DRM_MEM_MAGIC);
+	if (!entry) DRM_OS_RETURN(ENOMEM);
+	entry->magic = magic;
+	entry->priv  = priv;
+	entry->next  = NULL;
+
+	DRM_OS_LOCK;
+	if (dev->magiclist[hash].tail) {
+		dev->magiclist[hash].tail->next = entry;
+		dev->magiclist[hash].tail	= entry;
+	} else {
+		dev->magiclist[hash].head	= entry;
+		dev->magiclist[hash].tail	= entry;
+	}
+	DRM_OS_UNLOCK;
+
+	return 0;
+}
+
+int DRM(remove_magic)(drm_device_t *dev, drm_magic_t magic)
+{
+	drm_magic_entry_t *prev = NULL;
+	drm_magic_entry_t *pt;
+	int		  hash;
+
+	DRM_DEBUG("%d\n", magic);
+	hash = DRM(hash_magic)(magic);
+
+	DRM_OS_LOCK;
+	for (pt = dev->magiclist[hash].head; pt; prev = pt, pt = pt->next) {
+		if (pt->magic == magic) {
+			if (dev->magiclist[hash].head == pt) {
+				dev->magiclist[hash].head = pt->next;
+			}
+			if (dev->magiclist[hash].tail == pt) {
+				dev->magiclist[hash].tail = prev;
+			}
+			if (prev) {
+				prev->next = pt->next;
+			}
+			DRM_OS_UNLOCK;
+			DRM(free)(pt, sizeof(*pt), DRM_MEM_MAGIC);
+			return 0;
+		}
+	}
+	DRM_OS_UNLOCK;
+
+	DRM(free)(pt, sizeof(*pt), DRM_MEM_MAGIC);
+	DRM_OS_RETURN(EINVAL);
+}
+
+int DRM(getmagic)(DRM_OS_IOCTL)
+{
+	static drm_magic_t sequence = 0;
+	drm_auth_t	   auth;
+	static DRM_OS_SPINTYPE lock;
+	static int	   first = 1;
+	DRM_OS_DEVICE;
+	DRM_OS_PRIV;
+
+	if (first) {
+		DRM_OS_SPININIT(lock, "drm getmagic");
+		first = 0;
+	}
+
+				/* Find unique magic */
+	if (priv->magic) {
+		auth.magic = priv->magic;
+	} else {
+		do {
+			DRM_OS_SPINLOCK(&lock);
+			if (!sequence) ++sequence; /* reserve 0 */
+			auth.magic = sequence++;
+			DRM_OS_SPINUNLOCK(&lock);
+		} while (DRM(find_file)(dev, auth.magic));
+		priv->magic = auth.magic;
+		DRM(add_magic)(dev, priv, auth.magic);
+	}
+
+	DRM_DEBUG("%u\n", auth.magic);
+
+	DRM_OS_KRNTOUSR((drm_auth_t *)data, auth, sizeof(auth));
+
+	return 0;
+}
+
+int DRM(authmagic)(DRM_OS_IOCTL)
+{
+	drm_auth_t	   auth;
+	drm_file_t	   *file;
+	DRM_OS_DEVICE;
+
+	DRM_OS_KRNFROMUSR(auth, (drm_auth_t *)data, sizeof(auth));
+
+	DRM_DEBUG("%u\n", auth.magic);
+	if ((file = DRM(find_file)(dev, auth.magic))) {
+		file->authenticated = 1;
+		DRM(remove_magic)(dev, auth.magic);
+		return 0;
+	}
+	DRM_OS_RETURN(EINVAL);
+}
diff --git a/bsd/drm_bufs.h b/bsd/drm_bufs.h
new file mode 100644
index 00000000..d55b36d8
--- /dev/null
+++ b/bsd/drm_bufs.h
@@ -0,0 +1,1092 @@
+/* drm_bufs.h -- Generic buffer template -*- linux-c -*-
+ * Created: Thu Nov 23 03:10:50 2000 by gareth@valinux.com
+ *
+ * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Rickard E. (Rik) Faith <faith@valinux.com>
+ *    Gareth Hughes <gareth@valinux.com>
+ */
+
+#define __NO_VERSION__
+#include <machine/param.h>
+#include <sys/mman.h>
+#include <vm/vm.h>
+#include <vm/pmap.h>
+#include <vm/vm_extern.h>
+#include <vm/vm_map.h>
+#include <vm/vm_param.h>
+#include "drmP.h"
+
+#ifndef __HAVE_PCI_DMA
+#define __HAVE_PCI_DMA		0
+#endif
+
+#ifndef __HAVE_SG
+#define __HAVE_SG		0
+#endif
+
+#ifndef DRIVER_BUF_PRIV_T
+#define DRIVER_BUF_PRIV_T		u32
+#endif
+#ifndef DRIVER_AGP_BUFFERS_MAP
+#if __HAVE_AGP && __HAVE_DMA
+#error "You must define DRIVER_AGP_BUFFERS_MAP()"
+#else
+#define DRIVER_AGP_BUFFERS_MAP( dev )	NULL
+#endif
+#endif
+
+/*
+ * Compute order.  Can be made faster.
+ */
+int DRM(order)( unsigned long size )
+{
+	int order;
+	unsigned long tmp;
+
+	for ( order = 0, tmp = size ; tmp >>= 1 ; ++order );
+
+	if ( size & ~(1 << order) )
+		++order;
+
+	return order;
+}
+
+int DRM(addmap)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_map_t *map;
+	drm_map_list_entry_t *list;
+
+	if (!(dev->flags & (FREAD|FWRITE)))
+		DRM_OS_RETURN(EACCES); /* Require read/write */
+
+	map = (drm_map_t *) DRM(alloc)( sizeof(*map), DRM_MEM_MAPS );
+	if ( !map )
+		DRM_OS_RETURN(ENOMEM);
+
+	*map = *(drm_map_t *)data;
+
+	/* Only allow shared memory to be removable since we only keep enough
+	 * book keeping information about shared memory to allow for removal
+	 * when processes fork.
+	 */
+	if ( (map->flags & _DRM_REMOVABLE) && map->type != _DRM_SHM ) {
+		DRM(free)( map, sizeof(*map), DRM_MEM_MAPS );
+		DRM_OS_RETURN(EINVAL);
+	}
+	DRM_DEBUG( "offset = 0x%08lx, size = 0x%08lx, type = %d\n",
+		   map->offset, map->size, map->type );
+	if ( (map->offset & PAGE_MASK) || (map->size & PAGE_MASK) ) {
+		DRM(free)( map, sizeof(*map), DRM_MEM_MAPS );
+		DRM_OS_RETURN(EINVAL);
+	}
+	map->mtrr   = -1;
+	map->handle = 0;
+
+	TAILQ_FOREACH(list, dev->maplist, link) {
+		drm_map_t *entry = list->map;
+		if (        (entry->offset >= map->offset
+			    && (entry->offset) < (map->offset + map->size) )
+			|| ((entry->offset + entry->size) >= map->offset
+			    && (entry->offset + entry->size) < (map->offset + map->size) ) 
+			|| ((entry->offset < map->offset)
+			    && (entry->offset + entry->size) >= (map->offset + map->size) ) )
+			DRM_DEBUG("map collission: add(0x%lx-0x%lx), current(0x%lx-0x%lx)\n", 
+				entry->offset, entry->offset + entry->size - 1,
+				map->offset, map->offset + map->size - 1);
+	}
+
+	switch ( map->type ) {
+	case _DRM_REGISTERS:
+	case _DRM_FRAME_BUFFER:
+#if !defined(__sparc__) && !defined(__alpha__)
+		if ( map->offset + map->size < map->offset
+		) {
+			DRM(free)( map, sizeof(*map), DRM_MEM_MAPS );
+			DRM_OS_RETURN(EINVAL);
+		}
+#endif
+#ifdef __alpha__
+		map->offset += dev->hose->mem_space->start;
+#endif
+#if __REALLY_HAVE_MTRR
+		if ( map->type == _DRM_FRAME_BUFFER ||
+		     (map->flags & _DRM_WRITE_COMBINING) ) {
+			map->mtrr = mtrr_add( map->offset, map->size,
+					      MTRR_TYPE_WRCOMB, 1 );
+		}
+#endif
+		map->handle = DRM(ioremap)( map->offset, map->size );
+		break;
+
+	case _DRM_SHM:
+		DRM_INFO( "%ld %d %d\n",
+			   map->size, DRM(order)( map->size ), PAGE_SHIFT);
+		map->handle = (void *)DRM(alloc_pages)
+			(DRM(order)(map->size) - PAGE_SHIFT, DRM_MEM_SAREA);
+		DRM_DEBUG( "%ld %d %p\n",
+			   map->size, DRM(order)( map->size ), map->handle );
+		if ( !map->handle ) {
+			DRM(free)( map, sizeof(*map), DRM_MEM_MAPS );
+			DRM_OS_RETURN(ENOMEM);
+		}
+		map->offset = (unsigned long)map->handle;
+		if ( map->flags & _DRM_CONTAINS_LOCK ) {
+			dev->lock.hw_lock = map->handle; /* Pointer to lock */
+		}
+		break;
+#if __REALLY_HAVE_AGP
+	case _DRM_AGP:
+#ifdef __alpha__
+		map->offset += dev->hose->mem_space->start;
+#endif
+		map->offset += dev->agp->base;
+		map->mtrr   = dev->agp->agp_mtrr; /* for getmap */
+		break;
+#endif
+	case _DRM_SCATTER_GATHER:
+		if (!dev->sg) {
+			DRM(free)(map, sizeof(*map), DRM_MEM_MAPS);
+			DRM_OS_RETURN(EINVAL);
+		}
+		map->offset = map->offset + dev->sg->handle;
+		break;
+
+	default:
+		DRM(free)( map, sizeof(*map), DRM_MEM_MAPS );
+		DRM_OS_RETURN(EINVAL);
+	}
+
+	list = DRM(alloc)(sizeof(*list), DRM_MEM_MAPS);
+	if(!list) {
+		DRM(free)(map, sizeof(*map), DRM_MEM_MAPS);
+		DRM_OS_RETURN(EINVAL);
+	}
+	memset(list, 0, sizeof(*list));
+	list->map = map;
+
+	DRM_OS_LOCK;
+	TAILQ_INSERT_TAIL(dev->maplist, list, link);
+	DRM_OS_UNLOCK;
+
+	*(drm_map_t *)data = *map;
+
+	if ( map->type != _DRM_SHM ) {
+		((drm_map_t *)data)->handle = (void *)map->offset;
+	}
+	return 0;
+}
+
+
+/* Remove a map private from list and deallocate resources if the mapping
+ * isn't in use.
+ */
+
+int DRM(rmmap)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_map_list_entry_t *list;
+	drm_map_t *map;
+	drm_map_t request;
+	int found_maps = 0;
+
+	DRM_OS_KRNFROMUSR( request, (drm_map_t *)data, sizeof(request) );
+
+	DRM_OS_LOCK;
+	TAILQ_FOREACH(list, dev->maplist, link) {
+		map = list->map;
+		if(map->handle == request.handle &&
+		   map->flags & _DRM_REMOVABLE) break;
+	}
+
+	/* List has wrapped around to the head pointer, or its empty we didn't
+	 * find anything.
+	 */
+	if(list == NULL) {
+		DRM_OS_UNLOCK;
+		DRM_OS_RETURN(EINVAL);
+	}
+	TAILQ_REMOVE(dev->maplist, list, link);
+	DRM(free)(list, sizeof(*list), DRM_MEM_MAPS);
+
+
+	if(!found_maps) {
+		switch (map->type) {
+		case _DRM_REGISTERS:
+		case _DRM_FRAME_BUFFER:
+#if __REALLY_HAVE_MTRR
+			if (map->mtrr >= 0) {
+				int retcode;
+				retcode = mtrr_del(map->mtrr,
+						   map->offset,
+						   map->size);
+				DRM_DEBUG("mtrr_del = %d\n", retcode);
+			}
+#endif
+			DRM(ioremapfree)(map->handle, map->size);
+			break;
+		case _DRM_SHM:
+			DRM(free_pages)( (unsigned long)map->handle, DRM(order)(map->size), DRM_MEM_SAREA );
+			break;
+		case _DRM_AGP:
+		case _DRM_SCATTER_GATHER:
+			break;
+		}
+		DRM(free)(map, sizeof(*map), DRM_MEM_MAPS);
+	}
+	DRM_OS_UNLOCK;
+	return 0;
+}
+
+#if __HAVE_DMA
+
+
+static void DRM(cleanup_buf_error)(drm_buf_entry_t *entry)
+{
+	int i;
+
+	if (entry->seg_count) {
+		for (i = 0; i < entry->seg_count; i++) {
+			DRM(free_pages)(entry->seglist[i],
+					entry->page_order,
+					DRM_MEM_DMA);
+		}
+		DRM(free)(entry->seglist,
+			  entry->seg_count *
+			  sizeof(*entry->seglist),
+			  DRM_MEM_SEGS);
+
+		entry->seg_count = 0;
+	}
+
+   	if(entry->buf_count) {
+	   	for(i = 0; i < entry->buf_count; i++) {
+			if(entry->buflist[i].dev_private) {
+				DRM(free)(entry->buflist[i].dev_private,
+					  entry->buflist[i].dev_priv_size,
+					  DRM_MEM_BUFS);
+			}
+		}
+		DRM(free)(entry->buflist,
+			  entry->buf_count *
+			  sizeof(*entry->buflist),
+			  DRM_MEM_BUFS);
+
+#if __HAVE_DMA_FREELIST
+	   	DRM(freelist_destroy)(&entry->freelist);
+#endif
+
+		entry->buf_count = 0;
+	}
+}
+
+#if __REALLY_HAVE_AGP
+int DRM(addbufs_agp)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_device_dma_t *dma = dev->dma;
+	drm_buf_desc_t request;
+	drm_buf_entry_t *entry;
+	drm_buf_t *buf;
+	unsigned long offset;
+	unsigned long agp_offset;
+	int count;
+	int order;
+	int size;
+	int alignment;
+	int page_order;
+	int total;
+	int byte_count;
+	int i;
+	drm_buf_t **temp_buflist;
+
+	if ( !dma ) DRM_OS_RETURN(EINVAL);
+
+	DRM_OS_KRNFROMUSR( request, (drm_buf_desc_t *)data, sizeof(request) );
+
+	count = request.count;
+	order = DRM(order)( request.size );
+	size = 1 << order;
+
+	alignment  = (request.flags & _DRM_PAGE_ALIGN)
+		? round_page(size) : size;
+	page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0;
+	total = PAGE_SIZE << page_order;
+
+	byte_count = 0;
+	agp_offset = dev->agp->base + request.agp_start;
+
+	DRM_DEBUG( "count:      %d\n",  count );
+	DRM_DEBUG( "order:      %d\n",  order );
+	DRM_DEBUG( "size:       %d\n",  size );
+	DRM_DEBUG( "agp_offset: 0x%lx\n", agp_offset );
+	DRM_DEBUG( "alignment:  %d\n",  alignment );
+	DRM_DEBUG( "page_order: %d\n",  page_order );
+	DRM_DEBUG( "total:      %d\n",  total );
+
+	if ( order < DRM_MIN_ORDER || order > DRM_MAX_ORDER ) 
+		DRM_OS_RETURN(EINVAL);
+	if ( dev->queue_count ) 
+		DRM_OS_RETURN(EBUSY); /* Not while in use */
+
+	DRM_OS_SPINLOCK( &dev->count_lock );
+	if ( dev->buf_use ) {
+		DRM_OS_SPINUNLOCK( &dev->count_lock );
+		DRM_OS_RETURN(EBUSY);
+	}
+	atomic_inc( &dev->buf_alloc );
+	DRM_OS_SPINUNLOCK( &dev->count_lock );
+
+	DRM_OS_LOCK;
+	entry = &dma->bufs[order];
+	if ( entry->buf_count ) {
+		DRM_OS_UNLOCK;
+		atomic_dec( &dev->buf_alloc );
+		DRM_OS_RETURN(ENOMEM); /* May only call once for each order */
+	}
+
+	if (count < 0 || count > 4096) {
+		DRM_OS_UNLOCK;
+		atomic_dec( &dev->buf_alloc );
+		DRM_OS_RETURN(EINVAL);
+	}
+
+	entry->buflist = DRM(alloc)( count * sizeof(*entry->buflist),
+				    DRM_MEM_BUFS );
+	if ( !entry->buflist ) {
+		DRM_OS_UNLOCK;
+		atomic_dec( &dev->buf_alloc );
+		DRM_OS_RETURN(ENOMEM);
+	}
+	memset( entry->buflist, 0, count * sizeof(*entry->buflist) );
+
+	entry->buf_size = size;
+	entry->page_order = page_order;
+
+	offset = 0;
+
+	while ( entry->buf_count < count ) {
+		buf          = &entry->buflist[entry->buf_count];
+		buf->idx     = dma->buf_count + entry->buf_count;
+		buf->total   = alignment;
+		buf->order   = order;
+		buf->used    = 0;
+
+		buf->offset  = (dma->byte_count + offset);
+		buf->bus_address = agp_offset + offset;
+		buf->address = (void *)(agp_offset + offset);
+		buf->next    = NULL;
+		buf->waiting = 0;
+		buf->pending = 0;
+		buf->dma_wait = 0;
+		buf->pid     = 0;
+
+		buf->dev_priv_size = sizeof(DRIVER_BUF_PRIV_T);
+		buf->dev_private = DRM(alloc)( sizeof(DRIVER_BUF_PRIV_T),
+					       DRM_MEM_BUFS );
+		if(!buf->dev_private) {
+			/* Set count correctly so we free the proper amount. */
+			entry->buf_count = count;
+			DRM(cleanup_buf_error)(entry);
+		}
+		memset( buf->dev_private, 0, buf->dev_priv_size );
+
+#if __HAVE_DMA_HISTOGRAM
+		buf->time_queued = 0;
+		buf->time_dispatched = 0;
+		buf->time_completed = 0;
+		buf->time_freed = 0;
+#endif
+
+		offset += alignment;
+		entry->buf_count++;
+		byte_count += PAGE_SIZE << page_order;
+	}
+
+	DRM_DEBUG( "byte_count: %d\n", byte_count );
+
+	temp_buflist = DRM(realloc)( dma->buflist,
+				     dma->buf_count * sizeof(*dma->buflist),
+				     (dma->buf_count + entry->buf_count)
+				     * sizeof(*dma->buflist),
+				     DRM_MEM_BUFS );
+	if(!temp_buflist) {
+		/* Free the entry because it isn't valid */
+		DRM(cleanup_buf_error)(entry);
+		DRM_OS_UNLOCK;
+		atomic_dec( &dev->buf_alloc );
+		DRM_OS_RETURN(ENOMEM);
+	}
+	dma->buflist = temp_buflist;
+
+	for ( i = 0 ; i < entry->buf_count ; i++ ) {
+		dma->buflist[i + dma->buf_count] = &entry->buflist[i];
+	}
+
+	dma->buf_count += entry->buf_count;
+	dma->byte_count += byte_count;
+
+	DRM_DEBUG( "dma->buf_count : %d\n", dma->buf_count );
+	DRM_DEBUG( "entry->buf_count : %d\n", entry->buf_count );
+
+#if __HAVE_DMA_FREELIST
+	DRM(freelist_create)( &entry->freelist, entry->buf_count );
+	for ( i = 0 ; i < entry->buf_count ; i++ ) {
+		DRM(freelist_put)( dev, &entry->freelist, &entry->buflist[i] );
+	}
+#endif
+	DRM_OS_UNLOCK;
+
+	request.count = entry->buf_count;
+	request.size = size;
+
+	DRM_OS_KRNTOUSR( (drm_buf_desc_t *)data, request, sizeof(request) );
+
+	dma->flags = _DRM_DMA_USE_AGP;
+
+	atomic_dec( &dev->buf_alloc );
+	return 0;
+}
+#endif /* __REALLY_HAVE_AGP */
+
+#if __HAVE_PCI_DMA
+int DRM(addbufs_pci)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_device_dma_t *dma = dev->dma;
+	drm_buf_desc_t request;
+	int count;
+	int order;
+	int size;
+	int total;
+	int page_order;
+	drm_buf_entry_t *entry;
+	unsigned long page;
+	drm_buf_t *buf;
+	int alignment;
+	unsigned long offset;
+	int i;
+	int byte_count;
+	int page_count;
+	unsigned long *temp_pagelist;
+	drm_buf_t **temp_buflist;
+
+	if ( !dma ) DRM_OS_RETURN(EINVAL);
+
+	DRM_OS_KRNFROMUSR( request, (drm_buf_desc_t *)data, sizeof(request) );
+
+	count = request.count;
+	order = DRM(order)( request.size );
+	size = 1 << order;
+
+	DRM_DEBUG( "count=%d, size=%d (%d), order=%d, queue_count=%d\n",
+		   request.count, request.size, size,
+		   order, dev->queue_count );
+
+	if ( order < DRM_MIN_ORDER || order > DRM_MAX_ORDER ) 
+		DRM_OS_RETURN(EINVAL);
+	if ( dev->queue_count ) 
+		DRM_OS_RETURN(EBUSY); /* Not while in use */
+
+	alignment = (request.flags & _DRM_PAGE_ALIGN)
+		? round_page(size) : size;
+	page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0;
+	total = PAGE_SIZE << page_order;
+
+	DRM_OS_SPINLOCK( &dev->count_lock );
+	if ( dev->buf_use ) {
+		DRM_OS_SPINUNLOCK( &dev->count_lock );
+		DRM_OS_RETURN(EBUSY);
+	}
+	atomic_inc( &dev->buf_alloc );
+	DRM_OS_SPINUNLOCK( &dev->count_lock );
+
+	DRM_OS_LOCK;
+	entry = &dma->bufs[order];
+	if ( entry->buf_count ) {
+		DRM_OS_UNLOCK;
+		atomic_dec( &dev->buf_alloc );
+		DRM_OS_RETURN(ENOMEM);	/* May only call once for each order */
+	}
+
+	if (count < 0 || count > 4096) {
+		DRM_OS_UNLOCK;
+		atomic_dec( &dev->buf_alloc );
+		DRM_OS_RETURN(EINVAL);
+	}
+
+	entry->buflist = DRM(alloc)( count * sizeof(*entry->buflist),
+				    DRM_MEM_BUFS );
+	if ( !entry->buflist ) {
+		DRM_OS_UNLOCK;
+		atomic_dec( &dev->buf_alloc );
+		DRM_OS_RETURN(ENOMEM);
+	}
+	memset( entry->buflist, 0, count * sizeof(*entry->buflist) );
+
+	entry->seglist = DRM(alloc)( count * sizeof(*entry->seglist),
+				    DRM_MEM_SEGS );
+	if ( !entry->seglist ) {
+		DRM(free)( entry->buflist,
+			  count * sizeof(*entry->buflist),
+			  DRM_MEM_BUFS );
+		DRM_OS_UNLOCK;
+		atomic_dec( &dev->buf_alloc );
+		DRM_OS_RETURN(ENOMEM);
+	}
+	memset( entry->seglist, 0, count * sizeof(*entry->seglist) );
+
+	temp_pagelist = DRM(realloc)( dma->pagelist,
+				      dma->page_count * sizeof(*dma->pagelist),
+				      (dma->page_count + (count << page_order))
+				      * sizeof(*dma->pagelist),
+				      DRM_MEM_PAGES );
+	if(!temp_pagelist) {
+		DRM(free)( entry->buflist,
+			   count * sizeof(*entry->buflist),
+			   DRM_MEM_BUFS );
+		DRM(free)( entry->seglist,
+			   count * sizeof(*entry->seglist),
+			   DRM_MEM_SEGS );
+		DRM_OS_UNLOCK;
+		atomic_dec( &dev->buf_alloc );
+		DRM_OS_RETURN(ENOMEM);
+	}
+
+	dma->pagelist = temp_pagelist;
+	DRM_DEBUG( "pagelist: %d entries\n",
+		   dma->page_count + (count << page_order) );
+
+	entry->buf_size	= size;
+	entry->page_order = page_order;
+	byte_count = 0;
+	page_count = 0;
+
+	while ( entry->buf_count < count ) {
+		page = DRM(alloc_pages)( page_order, DRM_MEM_DMA );
+		if ( !page ) break;
+		entry->seglist[entry->seg_count++] = page;
+		for ( i = 0 ; i < (1 << page_order) ; i++ ) {
+			DRM_DEBUG( "page %d @ 0x%08lx\n",
+				   dma->page_count + page_count,
+				   page + PAGE_SIZE * i );
+			dma->pagelist[dma->page_count + page_count++]
+				= page + PAGE_SIZE * i;
+		}
+		for ( offset = 0 ;
+		      offset + size <= total && entry->buf_count < count ;
+		      offset += alignment, ++entry->buf_count ) {
+			buf	     = &entry->buflist[entry->buf_count];
+			buf->idx     = dma->buf_count + entry->buf_count;
+			buf->total   = alignment;
+			buf->order   = order;
+			buf->used    = 0;
+			buf->offset  = (dma->byte_count + byte_count + offset);
+			buf->address = (void *)(page + offset);
+			buf->next    = NULL;
+			buf->waiting = 0;
+			buf->pending = 0;
+			buf->dma_wait = 0;
+			buf->pid     = 0;
+#if __HAVE_DMA_HISTOGRAM
+			buf->time_queued     = 0;
+			buf->time_dispatched = 0;
+			buf->time_completed  = 0;
+			buf->time_freed      = 0;
+#endif
+			DRM_DEBUG( "buffer %d @ %p\n",
+				   entry->buf_count, buf->address );
+		}
+		byte_count += PAGE_SIZE << page_order;
+	}
+
+	temp_buflist = DRM(realloc)( dma->buflist,
+				     dma->buf_count * sizeof(*dma->buflist),
+				     (dma->buf_count + entry->buf_count)
+				     * sizeof(*dma->buflist),
+				     DRM_MEM_BUFS );
+	if(!temp_buflist) {
+		/* Free the entry because it isn't valid */
+		DRM(cleanup_buf_error)(entry);
+		DRM_OS_UNLOCK;
+		atomic_dec( &dev->buf_alloc );
+		DRM_OS_RETURN(ENOMEM);
+	}
+	dma->buflist = temp_buflist;
+
+	for ( i = 0 ; i < entry->buf_count ; i++ ) {
+		dma->buflist[i + dma->buf_count] = &entry->buflist[i];
+	}
+
+	dma->buf_count += entry->buf_count;
+	dma->seg_count += entry->seg_count;
+	dma->page_count += entry->seg_count << page_order;
+	dma->byte_count += PAGE_SIZE * (entry->seg_count << page_order);
+
+#if __HAVE_DMA_FREELIST
+	DRM(freelist_create)( &entry->freelist, entry->buf_count );
+	for ( i = 0 ; i < entry->buf_count ; i++ ) {
+		DRM(freelist_put)( dev, &entry->freelist, &entry->buflist[i] );
+	}
+#endif
+	DRM_OS_UNLOCK;
+
+	request.count = entry->buf_count;
+	request.size = size;
+
+	DRM_OS_KRNTOUSR( (drm_buf_desc_t *)data, request, sizeof(request) );
+
+	atomic_dec( &dev->buf_alloc );
+	return 0;
+
+}
+#endif /* __HAVE_PCI_DMA */
+
+#if __REALLY_HAVE_SG
+int DRM(addbufs_sg)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_device_dma_t *dma = dev->dma;
+	drm_buf_desc_t request;
+	drm_buf_entry_t *entry;
+	drm_buf_t *buf;
+	unsigned long offset;
+	unsigned long agp_offset;
+	int count;
+	int order;
+	int size;
+	int alignment;
+	int page_order;
+	int total;
+	int byte_count;
+	int i;
+	drm_buf_t **temp_buflist;
+
+	if ( !dma ) DRM_OS_RETURN(EINVAL);
+
+	DRM_OS_KRNFROMUSR( request, (drm_buf_desc_t *)data, sizeof(request) );
+
+	count = request.count;
+	order = DRM(order)( request.size );
+	size = 1 << order;
+
+	alignment  = (request.flags & _DRM_PAGE_ALIGN)
+		? round_page(size) : size;
+	page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0;
+	total = PAGE_SIZE << page_order;
+
+	byte_count = 0;
+	agp_offset = request.agp_start;
+
+	DRM_DEBUG( "count:      %d\n",  count );
+	DRM_DEBUG( "order:      %d\n",  order );
+	DRM_DEBUG( "size:       %d\n",  size );
+	DRM_DEBUG( "agp_offset: %ld\n", agp_offset );
+	DRM_DEBUG( "alignment:  %d\n",  alignment );
+	DRM_DEBUG( "page_order: %d\n",  page_order );
+	DRM_DEBUG( "total:      %d\n",  total );
+
+	if ( order < DRM_MIN_ORDER || order > DRM_MAX_ORDER ) 
+		DRM_OS_RETURN(EINVAL);
+	if ( dev->queue_count ) DRM_OS_RETURN(EBUSY); /* Not while in use */
+
+	DRM_OS_SPINLOCK( &dev->count_lock );
+	if ( dev->buf_use ) {
+		DRM_OS_SPINUNLOCK( &dev->count_lock );
+		DRM_OS_RETURN(EBUSY);
+	}
+	atomic_inc( &dev->buf_alloc );
+	DRM_OS_SPINUNLOCK( &dev->count_lock );
+
+	DRM_OS_LOCK;
+	entry = &dma->bufs[order];
+	if ( entry->buf_count ) {
+		DRM_OS_UNLOCK;
+		atomic_dec( &dev->buf_alloc );
+		DRM_OS_RETURN(ENOMEM); /* May only call once for each order */
+	}
+
+	if (count < 0 || count > 4096) {
+		DRM_OS_UNLOCK;
+		atomic_dec( &dev->buf_alloc );
+		DRM_OS_RETURN(EINVAL);
+	}
+
+	entry->buflist = DRM(alloc)( count * sizeof(*entry->buflist),
+				     DRM_MEM_BUFS );
+	if ( !entry->buflist ) {
+		DRM_OS_UNLOCK;
+		atomic_dec( &dev->buf_alloc );
+		DRM_OS_RETURN(ENOMEM);
+	}
+	memset( entry->buflist, 0, count * sizeof(*entry->buflist) );
+
+	entry->buf_size = size;
+	entry->page_order = page_order;
+
+	offset = 0;
+
+	while ( entry->buf_count < count ) {
+		buf          = &entry->buflist[entry->buf_count];
+		buf->idx     = dma->buf_count + entry->buf_count;
+		buf->total   = alignment;
+		buf->order   = order;
+		buf->used    = 0;
+
+		buf->offset  = (dma->byte_count + offset);
+		buf->bus_address = agp_offset + offset;
+		buf->address = (void *)(agp_offset + offset + dev->sg->handle);
+		buf->next    = NULL;
+		buf->waiting = 0;
+		buf->pending = 0;
+		buf->dma_wait = 0;
+		buf->pid     = 0;
+
+		buf->dev_priv_size = sizeof(DRIVER_BUF_PRIV_T);
+		buf->dev_private = DRM(alloc)( sizeof(DRIVER_BUF_PRIV_T),
+					       DRM_MEM_BUFS );
+		if(!buf->dev_private) {
+			/* Set count correctly so we free the proper amount. */
+			entry->buf_count = count;
+			DRM(cleanup_buf_error)(entry);
+			DRM_OS_UNLOCK;
+			atomic_dec( &dev->buf_alloc );
+			DRM_OS_RETURN(ENOMEM);
+		}
+
+		memset( buf->dev_private, 0, buf->dev_priv_size );
+
+# if __HAVE_DMA_HISTOGRAM
+		buf->time_queued = 0;
+		buf->time_dispatched = 0;
+		buf->time_completed = 0;
+		buf->time_freed = 0;
+# endif
+		DRM_DEBUG( "buffer %d @ %p\n",
+			   entry->buf_count, buf->address );
+
+		offset += alignment;
+		entry->buf_count++;
+		byte_count += PAGE_SIZE << page_order;
+	}
+
+	DRM_DEBUG( "byte_count: %d\n", byte_count );
+
+	temp_buflist = DRM(realloc)( dma->buflist,
+				     dma->buf_count * sizeof(*dma->buflist),
+				     (dma->buf_count + entry->buf_count)
+				     * sizeof(*dma->buflist),
+				     DRM_MEM_BUFS );
+	if(!temp_buflist) {
+		/* Free the entry because it isn't valid */
+		DRM(cleanup_buf_error)(entry);
+		DRM_OS_UNLOCK;
+		atomic_dec( &dev->buf_alloc );
+		DRM_OS_RETURN(ENOMEM);
+	}
+	dma->buflist = temp_buflist;
+
+	for ( i = 0 ; i < entry->buf_count ; i++ ) {
+		dma->buflist[i + dma->buf_count] = &entry->buflist[i];
+	}
+
+	dma->buf_count += entry->buf_count;
+	dma->byte_count += byte_count;
+
+	DRM_DEBUG( "dma->buf_count : %d\n", dma->buf_count );
+	DRM_DEBUG( "entry->buf_count : %d\n", entry->buf_count );
+
+#if __HAVE_DMA_FREELIST
+	DRM(freelist_create)( &entry->freelist, entry->buf_count );
+	for ( i = 0 ; i < entry->buf_count ; i++ ) {
+		DRM(freelist_put)( dev, &entry->freelist, &entry->buflist[i] );
+	}
+#endif
+	DRM_OS_UNLOCK;
+
+	request.count = entry->buf_count;
+	request.size = size;
+
+	DRM_OS_KRNTOUSR( (drm_buf_desc_t *)data, request, sizeof(request) );
+
+	dma->flags = _DRM_DMA_USE_SG;
+
+	atomic_dec( &dev->buf_alloc );
+	return 0;
+}
+#endif /* __REALLY_HAVE_SG */
+
+int DRM(addbufs)( DRM_OS_IOCTL )
+{
+	drm_buf_desc_t request;
+
+	DRM_OS_KRNFROMUSR( request, (drm_buf_desc_t *)data, sizeof(request) );
+
+#if __REALLY_HAVE_AGP
+	if ( request.flags & _DRM_AGP_BUFFER )
+		return DRM(addbufs_agp)( kdev, cmd, data, flags, p );
+	else
+#endif
+#if __REALLY_HAVE_SG
+	if ( request.flags & _DRM_SG_BUFFER )
+		return DRM(addbufs_sg)( kdev, cmd, data, flags, p );
+	else
+#endif
+#if __HAVE_PCI_DMA
+		return DRM(addbufs_pci)( kdev, cmd, data, flags, p );
+#else
+		DRM_OS_RETURN(EINVAL);
+#endif
+}
+
+int DRM(infobufs)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_device_dma_t *dma = dev->dma;
+	drm_buf_info_t request;
+	int i;
+	int count;
+
+	if ( !dma ) DRM_OS_RETURN(EINVAL);
+
+	DRM_OS_SPINLOCK( &dev->count_lock );
+	if ( atomic_read( &dev->buf_alloc ) ) {
+		DRM_OS_SPINUNLOCK( &dev->count_lock );
+		DRM_OS_RETURN(EBUSY);
+	}
+	++dev->buf_use;		/* Can't allocate more after this call */
+	DRM_OS_SPINUNLOCK( &dev->count_lock );
+
+	DRM_OS_KRNFROMUSR( request, (drm_buf_info_t *)data, sizeof(request) );
+
+	for ( i = 0, count = 0 ; i < DRM_MAX_ORDER + 1 ; i++ ) {
+		if ( dma->bufs[i].buf_count ) ++count;
+	}
+
+	DRM_DEBUG( "count = %d\n", count );
+
+	if ( request.count >= count ) {
+		for ( i = 0, count = 0 ; i < DRM_MAX_ORDER + 1 ; i++ ) {
+			if ( dma->bufs[i].buf_count ) {
+				drm_buf_desc_t *to = &request.list[count];
+				drm_buf_entry_t *from = &dma->bufs[i];
+				drm_freelist_t *list = &dma->bufs[i].freelist;
+				if ( DRM_OS_COPYTOUSR( &to->count,
+						   &from->buf_count,
+						   sizeof(from->buf_count) ) ||
+				     DRM_OS_COPYTOUSR( &to->size,
+						   &from->buf_size,
+						   sizeof(from->buf_size) ) ||
+				     DRM_OS_COPYTOUSR( &to->low_mark,
+						   &list->low_mark,
+						   sizeof(list->low_mark) ) ||
+				     DRM_OS_COPYTOUSR( &to->high_mark,
+						   &list->high_mark,
+						   sizeof(list->high_mark) ) )
+					DRM_OS_RETURN(EFAULT);
+
+				DRM_DEBUG( "%d %d %d %d %d\n",
+					   i,
+					   dma->bufs[i].buf_count,
+					   dma->bufs[i].buf_size,
+					   dma->bufs[i].freelist.low_mark,
+					   dma->bufs[i].freelist.high_mark );
+				++count;
+			}
+		}
+	}
+	request.count = count;
+
+	DRM_OS_KRNTOUSR( (drm_buf_info_t *)data, request, sizeof(request) );
+
+	return 0;
+}
+
+int DRM(markbufs)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_device_dma_t *dma = dev->dma;
+	drm_buf_desc_t request;
+	int order;
+	drm_buf_entry_t *entry;
+
+	if ( !dma ) DRM_OS_RETURN(EINVAL);
+
+	DRM_OS_KRNFROMUSR( request, (drm_buf_desc_t *)data, sizeof(request) );
+
+	DRM_DEBUG( "%d, %d, %d\n",
+		   request.size, request.low_mark, request.high_mark );
+	order = DRM(order)( request.size );
+	if ( order < DRM_MIN_ORDER || order > DRM_MAX_ORDER ) 
+		DRM_OS_RETURN(EINVAL);
+	entry = &dma->bufs[order];
+
+	if ( request.low_mark < 0 || request.low_mark > entry->buf_count )
+		DRM_OS_RETURN(EINVAL);
+	if ( request.high_mark < 0 || request.high_mark > entry->buf_count )
+		DRM_OS_RETURN(EINVAL);
+
+	entry->freelist.low_mark  = request.low_mark;
+	entry->freelist.high_mark = request.high_mark;
+
+	return 0;
+}
+
+int DRM(freebufs)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_device_dma_t *dma = dev->dma;
+	drm_buf_free_t request;
+	int i;
+	int idx;
+	drm_buf_t *buf;
+
+	if ( !dma ) DRM_OS_RETURN(EINVAL);
+
+	DRM_OS_KRNFROMUSR( request, (drm_buf_free_t *)data, sizeof(request) );
+
+	DRM_DEBUG( "%d\n", request.count );
+	for ( i = 0 ; i < request.count ; i++ ) {
+		if ( DRM_OS_COPYFROMUSR( &idx,
+				     &request.list[i],
+				     sizeof(idx) ) )
+			DRM_OS_RETURN(EFAULT);
+		if ( idx < 0 || idx >= dma->buf_count ) {
+			DRM_ERROR( "Index %d (of %d max)\n",
+				   idx, dma->buf_count - 1 );
+			DRM_OS_RETURN(EINVAL);
+		}
+		buf = dma->buflist[idx];
+		if ( buf->pid != DRM_OS_CURRENTPID ) {
+			DRM_ERROR( "Process %d freeing buffer owned by %d\n",
+				   DRM_OS_CURRENTPID, buf->pid );
+			DRM_OS_RETURN(EINVAL);
+		}
+		DRM(free_buffer)( dev, buf );
+	}
+
+	return 0;
+}
+
+int DRM(mapbufs)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_device_dma_t *dma = dev->dma;
+	int retcode = 0;
+	const int zero = 0;
+	vm_offset_t virtual, address;
+#if __FreeBSD_version >= 500000
+	struct vmspace *vms = p->td_proc->p_vmspace;
+#else
+	struct vmspace *vms = p->p_vmspace;
+#endif
+	drm_buf_map_t request;
+	int i;
+
+	if ( !dma ) DRM_OS_RETURN(EINVAL);
+
+	DRM_OS_SPINLOCK( &dev->count_lock );
+	if ( atomic_read( &dev->buf_alloc ) ) {
+		DRM_OS_SPINUNLOCK( &dev->count_lock );
+		DRM_OS_RETURN(EBUSY);
+	}
+	dev->buf_use++;		/* Can't allocate more after this call */
+	DRM_OS_SPINUNLOCK( &dev->count_lock );
+
+	DRM_OS_KRNFROMUSR( request, (drm_buf_map_t *)data, sizeof(request) );
+
+	if ( request.count >= dma->buf_count ) {
+		if ( (__HAVE_AGP && (dma->flags & _DRM_DMA_USE_AGP)) ||
+		     (__HAVE_SG && (dma->flags & _DRM_DMA_USE_SG)) ) {
+			drm_map_t *map = DRIVER_AGP_BUFFERS_MAP( dev );
+
+			if ( !map ) {
+				retcode = EINVAL;
+				goto done;
+			}
+
+			virtual = round_page((vm_offset_t)vms->vm_daddr + MAXDSIZ);
+			retcode = vm_mmap(&vms->vm_map,
+					  &virtual,
+					  round_page(map->size),
+					  PROT_READ|PROT_WRITE, VM_PROT_ALL,
+					  MAP_SHARED,
+					  SLIST_FIRST(&kdev->si_hlist),
+					  (unsigned long)map->offset );
+		} else {
+			virtual = round_page((vm_offset_t)vms->vm_daddr + MAXDSIZ);
+			retcode = vm_mmap(&vms->vm_map,
+					  &virtual,
+					  round_page(dma->byte_count),
+					  PROT_READ|PROT_WRITE, VM_PROT_ALL,
+					  MAP_SHARED,
+					  SLIST_FIRST(&kdev->si_hlist),
+					  0);
+		}
+		if (retcode)
+			goto done;
+		request.virtual = (void *)virtual;
+
+		for ( i = 0 ; i < dma->buf_count ; i++ ) {
+			if ( DRM_OS_COPYTOUSR( &request.list[i].idx,
+					   &dma->buflist[i]->idx,
+					   sizeof(request.list[0].idx) ) ) {
+				retcode = EFAULT;
+				goto done;
+			}
+			if ( DRM_OS_COPYTOUSR( &request.list[i].total,
+					   &dma->buflist[i]->total,
+					   sizeof(request.list[0].total) ) ) {
+				retcode = EFAULT;
+				goto done;
+			}
+			if ( DRM_OS_COPYTOUSR( &request.list[i].used,
+					   &zero,
+					   sizeof(zero) ) ) {
+				retcode = EFAULT;
+				goto done;
+			}
+			address = virtual + dma->buflist[i]->offset; /* *** */
+			if ( DRM_OS_COPYTOUSR( &request.list[i].address,
+					   &address,
+					   sizeof(address) ) ) {
+				retcode = EFAULT;
+				goto done;
+			}
+		}
+	}
+ done:
+	request.count = dma->buf_count;
+
+	DRM_DEBUG( "%d buffers, retcode = %d\n", request.count, retcode );
+
+	DRM_OS_KRNTOUSR( (drm_buf_map_t *)data, request, sizeof(request) );
+
+	DRM_OS_RETURN(retcode);
+}
+
+#endif /* __HAVE_DMA */
+
diff --git a/bsd/drm_context.h b/bsd/drm_context.h
new file mode 100644
index 00000000..8d676a23
--- /dev/null
+++ b/bsd/drm_context.h
@@ -0,0 +1,730 @@
+/* drm_context.h -- IOCTLs for generic contexts -*- linux-c -*-
+ * Created: Fri Nov 24 18:31:37 2000 by gareth@valinux.com
+ *
+ * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Rickard E. (Rik) Faith <faith@valinux.com>
+ *    Gareth Hughes <gareth@valinux.com>
+ */
+
+#define __NO_VERSION__
+#include "drmP.h"
+
+#if __HAVE_CTX_BITMAP
+
+/* ================================================================
+ * Context bitmap support
+ */
+
+void DRM(ctxbitmap_free)( drm_device_t *dev, int ctx_handle )
+{
+	if ( ctx_handle < 0 ) goto failed;
+	if ( !dev->ctx_bitmap ) goto failed;
+
+	if ( ctx_handle < DRM_MAX_CTXBITMAP ) {
+		DRM_OS_LOCK;
+		clear_bit( ctx_handle, dev->ctx_bitmap );
+		dev->context_sareas[ctx_handle] = NULL;
+		DRM_OS_UNLOCK;
+		return;
+	}
+failed:
+       	DRM_ERROR( "Attempt to free invalid context handle: %d\n",
+		   ctx_handle );
+       	return;
+}
+
+int DRM(ctxbitmap_next)( drm_device_t *dev )
+{
+	int bit;
+
+	if(!dev->ctx_bitmap) return -1;
+
+	DRM_OS_LOCK;
+	bit = find_first_zero_bit( dev->ctx_bitmap, DRM_MAX_CTXBITMAP );
+	if ( bit < DRM_MAX_CTXBITMAP ) {
+		set_bit( bit, dev->ctx_bitmap );
+	   	DRM_DEBUG( "drm_ctxbitmap_next bit : %d\n", bit );
+		if((bit+1) > dev->max_context) {
+			dev->max_context = (bit+1);
+			if(dev->context_sareas) {
+				drm_map_t **ctx_sareas;
+
+				ctx_sareas = DRM(realloc)(dev->context_sareas,
+						(dev->max_context - 1) * 
+						sizeof(*dev->context_sareas),
+						dev->max_context * 
+						sizeof(*dev->context_sareas),
+						DRM_MEM_MAPS);
+				if(!ctx_sareas) {
+					clear_bit(bit, dev->ctx_bitmap);
+					DRM_OS_UNLOCK;
+					return -1;
+				}
+				dev->context_sareas = ctx_sareas;
+				dev->context_sareas[bit] = NULL;
+			} else {
+				/* max_context == 1 at this point */
+				dev->context_sareas = DRM(alloc)(
+						dev->max_context * 
+						sizeof(*dev->context_sareas),
+						DRM_MEM_MAPS);
+				if(!dev->context_sareas) {
+					clear_bit(bit, dev->ctx_bitmap);
+					DRM_OS_UNLOCK;
+					return -1;
+				}
+				dev->context_sareas[bit] = NULL;
+			}
+		}
+		DRM_OS_UNLOCK;
+		return bit;
+	}
+	DRM_OS_UNLOCK;
+	return -1;
+}
+
+int DRM(ctxbitmap_init)( drm_device_t *dev )
+{
+	int i;
+   	int temp;
+
+	DRM_OS_LOCK;
+	dev->ctx_bitmap = (unsigned long *) DRM(alloc)( PAGE_SIZE,
+							DRM_MEM_CTXBITMAP );
+	if ( dev->ctx_bitmap == NULL ) {
+		DRM_OS_UNLOCK;
+		DRM_OS_RETURN(ENOMEM);
+	}
+	memset( (void *)dev->ctx_bitmap, 0, PAGE_SIZE );
+	dev->context_sareas = NULL;
+	dev->max_context = -1;
+	DRM_OS_UNLOCK;
+
+	for ( i = 0 ; i < DRM_RESERVED_CONTEXTS ; i++ ) {
+		temp = DRM(ctxbitmap_next)( dev );
+	   	DRM_DEBUG( "drm_ctxbitmap_init : %d\n", temp );
+	}
+
+	return 0;
+}
+
+void DRM(ctxbitmap_cleanup)( drm_device_t *dev )
+{
+	DRM_OS_LOCK;
+	if( dev->context_sareas ) DRM(free)( dev->context_sareas,
+					     sizeof(*dev->context_sareas) * 
+					     dev->max_context,
+					     DRM_MEM_MAPS );
+	DRM(free)( (void *)dev->ctx_bitmap, PAGE_SIZE, DRM_MEM_CTXBITMAP );
+	DRM_OS_UNLOCK;
+}
+
+/* ================================================================
+ * Per Context SAREA Support
+ */
+
+int DRM(getsareactx)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_ctx_priv_map_t request;
+	drm_map_t *map;
+
+	DRM_OS_KRNFROMUSR( request, (drm_ctx_priv_map_t *)data, 
+			   sizeof(request) );
+
+	DRM_OS_LOCK;
+	if (dev->max_context < 0 || request.ctx_id >= (unsigned) dev->max_context) {
+		DRM_OS_UNLOCK;
+		DRM_OS_RETURN(EINVAL);
+	}
+
+	map = dev->context_sareas[request.ctx_id];
+	DRM_OS_UNLOCK;
+
+	request.handle = map->handle;
+
+	DRM_OS_KRNTOUSR( (drm_ctx_priv_map_t *)data, request, sizeof(request) );
+
+	return 0;
+}
+
+int DRM(setsareactx)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_ctx_priv_map_t request;
+	drm_map_t *map = NULL;
+	drm_map_list_entry_t *list;
+
+	DRM_OS_KRNFROMUSR( request, (drm_ctx_priv_map_t *)data,
+			   sizeof(request) );
+
+	DRM_OS_LOCK;
+	TAILQ_FOREACH(list, dev->maplist, link) {
+		map=list->map;
+		if(map->handle == request.handle) 
+			goto found;
+	}
+
+bad:
+	DRM_OS_UNLOCK;
+	return -EINVAL;
+
+found:
+	map = list->map;
+	if (!map) goto bad;
+	if (dev->max_context < 0)
+		goto bad;
+	if (request.ctx_id >= (unsigned) dev->max_context)
+		goto bad;
+	dev->context_sareas[request.ctx_id] = map;
+	DRM_OS_UNLOCK;
+	return 0;
+}
+
+/* ================================================================
+ * The actual DRM context handling routines
+ */
+
+int DRM(context_switch)( drm_device_t *dev, int old, int new )
+{
+        char buf[64];
+
+        if ( test_and_set_bit( 0, &dev->context_flag ) ) {
+                DRM_ERROR( "Reentering -- FIXME\n" );
+                DRM_OS_RETURN(EBUSY);
+        }
+
+#if __HAVE_DMA_HISTOGRAM
+        dev->ctx_start = get_cycles();
+#endif
+
+        DRM_DEBUG( "Context switch from %d to %d\n", old, new );
+
+        if ( new == dev->last_context ) {
+                clear_bit( 0, &dev->context_flag );
+                return 0;
+        }
+
+        if ( DRM(flags) & DRM_FLAG_NOCTX ) {
+                DRM(context_switch_complete)( dev, new );
+        } else {
+                sprintf( buf, "C %d %d\n", old, new );
+                DRM(write_string)( dev, buf );
+        }
+
+        return 0;
+}
+
+int DRM(context_switch_complete)( drm_device_t *dev, int new )
+{
+        dev->last_context = new;  /* PRE/POST: This is the _only_ writer. */
+        dev->last_switch  = jiffies;
+
+        if ( !_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) ) {
+                DRM_ERROR( "Lock isn't held after context switch\n" );
+        }
+
+				/* If a context switch is ever initiated
+                                   when the kernel holds the lock, release
+                                   that lock here. */
+#if __HAVE_DMA_HISTOGRAM
+        atomic_inc( &dev->histo.ctx[DRM(histogram_slot)(get_cycles()
+							- dev->ctx_start)] );
+
+#endif
+        clear_bit( 0, &dev->context_flag );
+        DRM_OS_WAKEUP( &dev->context_wait );
+
+        return 0;
+}
+
+int DRM(resctx)( DRM_OS_IOCTL )
+{
+	drm_ctx_res_t res;
+	drm_ctx_t ctx;
+	int i;
+
+	DRM_OS_KRNFROMUSR( res, (drm_ctx_res_t *)data, sizeof(res) );
+
+	if ( res.count >= DRM_RESERVED_CONTEXTS ) {
+		memset( &ctx, 0, sizeof(ctx) );
+		for ( i = 0 ; i < DRM_RESERVED_CONTEXTS ; i++ ) {
+			ctx.handle = i;
+			if ( DRM_OS_COPYTOUSR( &res.contexts[i],
+					   &i, sizeof(i) ) )
+				DRM_OS_RETURN(EFAULT);
+		}
+	}
+	res.count = DRM_RESERVED_CONTEXTS;
+
+	DRM_OS_KRNTOUSR( (drm_ctx_res_t *)data, res, sizeof(res) );
+
+	return 0;
+}
+
+int DRM(addctx)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_ctx_t ctx;
+
+	DRM_OS_KRNFROMUSR( ctx, (drm_ctx_t *)data, sizeof(ctx) );
+
+	ctx.handle = DRM(ctxbitmap_next)( dev );
+	if ( ctx.handle == DRM_KERNEL_CONTEXT ) {
+				/* Skip kernel's context and get a new one. */
+		ctx.handle = DRM(ctxbitmap_next)( dev );
+	}
+	DRM_DEBUG( "%d\n", ctx.handle );
+	if ( ctx.handle == -1 ) {
+		DRM_DEBUG( "Not enough free contexts.\n" );
+				/* Should this return -EBUSY instead? */
+		DRM_OS_RETURN(ENOMEM);
+	}
+
+	DRM_OS_KRNTOUSR( (drm_ctx_t *)data, ctx, sizeof(ctx) );
+
+	return 0;
+}
+
+int DRM(modctx)( DRM_OS_IOCTL )
+{
+	/* This does nothing */
+	return 0;
+}
+
+int DRM(getctx)( DRM_OS_IOCTL )
+{
+	drm_ctx_t ctx;
+
+	DRM_OS_KRNFROMUSR( ctx, (drm_ctx_t *)data, sizeof(ctx) );
+
+	/* This is 0, because we don't handle any context flags */
+	ctx.flags = 0;
+
+	DRM_OS_KRNTOUSR( (drm_ctx_t *)data, ctx, sizeof(ctx) );
+
+	return 0;
+}
+
+int DRM(switchctx)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_ctx_t ctx;
+
+	DRM_OS_KRNFROMUSR( ctx, (drm_ctx_t *)data, sizeof(ctx) );
+
+	DRM_DEBUG( "%d\n", ctx.handle );
+	return DRM(context_switch)( dev, dev->last_context, ctx.handle );
+}
+
+int DRM(newctx)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_ctx_t ctx;
+
+	DRM_OS_KRNFROMUSR( ctx, (drm_ctx_t *)data, sizeof(ctx) );
+
+	DRM_DEBUG( "%d\n", ctx.handle );
+	DRM(context_switch_complete)( dev, ctx.handle );
+
+	return 0;
+}
+
+int DRM(rmctx)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_ctx_t ctx;
+
+	DRM_OS_KRNFROMUSR( ctx, (drm_ctx_t *)data, sizeof(ctx) );
+
+	DRM_DEBUG( "%d\n", ctx.handle );
+	if ( ctx.handle != DRM_KERNEL_CONTEXT ) {
+		DRM(ctxbitmap_free)( dev, ctx.handle );
+	}
+
+	return 0;
+}
+
+
+#else /* __HAVE_CTX_BITMAP */
+
+/* ================================================================
+ * Old-style context support
+ */
+
+
+int DRM(context_switch)(drm_device_t *dev, int old, int new)
+{
+	char	    buf[64];
+	drm_queue_t *q;
+
+#if 0
+	atomic_inc(&dev->total_ctx);
+#endif
+
+	if (test_and_set_bit(0, &dev->context_flag)) {
+		DRM_ERROR("Reentering -- FIXME\n");
+		DRM_OS_RETURN(EBUSY);
+	}
+
+#if __HAVE_DMA_HISTOGRAM
+	dev->ctx_start = get_cycles();
+#endif
+
+	DRM_DEBUG("Context switch from %d to %d\n", old, new);
+
+	if (new >= dev->queue_count) {
+		clear_bit(0, &dev->context_flag);
+		DRM_OS_RETURN(EINVAL);
+	}
+
+	if (new == dev->last_context) {
+		clear_bit(0, &dev->context_flag);
+		return 0;
+	}
+
+	q = dev->queuelist[new];
+	atomic_inc(&q->use_count);
+	if (atomic_read(&q->use_count) == 1) {
+		atomic_dec(&q->use_count);
+		clear_bit(0, &dev->context_flag);
+		DRM_OS_RETURN(EINVAL);
+	}
+
+	if (DRM(flags) & DRM_FLAG_NOCTX) {
+		DRM(context_switch_complete)(dev, new);
+	} else {
+		sprintf(buf, "C %d %d\n", old, new);
+		DRM(write_string)(dev, buf);
+	}
+
+	atomic_dec(&q->use_count);
+
+	return 0;
+}
+
+int DRM(context_switch_complete)(drm_device_t *dev, int new)
+{
+	drm_device_dma_t *dma = dev->dma;
+
+	dev->last_context = new;  /* PRE/POST: This is the _only_ writer. */
+	dev->last_switch  = jiffies;
+
+	if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
+		DRM_ERROR("Lock isn't held after context switch\n");
+	}
+
+	if (!dma || !(dma->next_buffer && dma->next_buffer->while_locked)) {
+		if (DRM(lock_free)(dev, &dev->lock.hw_lock->lock,
+				  DRM_KERNEL_CONTEXT)) {
+			DRM_ERROR("Cannot free lock\n");
+		}
+	}
+
+#if __HAVE_DMA_HISTOGRAM
+	atomic_inc(&dev->histo.ctx[DRM(histogram_slot)(get_cycles()
+						      - dev->ctx_start)]);
+
+#endif
+	clear_bit(0, &dev->context_flag);
+	DRM_OS_WAKEUP_INT(&dev->context_wait);
+
+	return 0;
+}
+
+static int DRM(init_queue)(drm_device_t *dev, drm_queue_t *q, drm_ctx_t *ctx)
+{
+	DRM_DEBUG("\n");
+
+	if (atomic_read(&q->use_count) != 1
+	    || atomic_read(&q->finalization)
+	    || atomic_read(&q->block_count)) {
+		DRM_ERROR("New queue is already in use: u%ld f%ld b%ld\n",
+			  (unsigned long)atomic_read(&q->use_count),
+			  (unsigned long)atomic_read(&q->finalization),
+			  (unsigned long)atomic_read(&q->block_count));
+	}
+
+	atomic_set(&q->finalization,  0);
+	atomic_set(&q->block_count,   0);
+	atomic_set(&q->block_read,    0);
+	atomic_set(&q->block_write,   0);
+	atomic_set(&q->total_queued,  0);
+	atomic_set(&q->total_flushed, 0);
+	atomic_set(&q->total_locks,   0);
+
+	q->write_queue = 0;
+	q->read_queue = 0;
+	q->flush_queue = 0;
+
+	q->flags = ctx->flags;
+
+	DRM(waitlist_create)(&q->waitlist, dev->dma->buf_count);
+
+	return 0;
+}
+
+
+/* drm_alloc_queue:
+PRE: 1) dev->queuelist[0..dev->queue_count] is allocated and will not
+	disappear (so all deallocation must be done after IOCTLs are off)
+     2) dev->queue_count < dev->queue_slots
+     3) dev->queuelist[i].use_count == 0 and
+	dev->queuelist[i].finalization == 0 if i not in use
+POST: 1) dev->queuelist[i].use_count == 1
+      2) dev->queue_count < dev->queue_slots */
+
+static int DRM(alloc_queue)(drm_device_t *dev)
+{
+	int	    i;
+	drm_queue_t *queue;
+	int	    oldslots;
+	int	    newslots;
+				/* Check for a free queue */
+	for (i = 0; i < dev->queue_count; i++) {
+		atomic_inc(&dev->queuelist[i]->use_count);
+		if (atomic_read(&dev->queuelist[i]->use_count) == 1
+		    && !atomic_read(&dev->queuelist[i]->finalization)) {
+			DRM_DEBUG("%d (free)\n", i);
+			return i;
+		}
+		atomic_dec(&dev->queuelist[i]->use_count);
+	}
+				/* Allocate a new queue */
+	DRM_OS_LOCK;
+
+	queue = gamma_alloc(sizeof(*queue), DRM_MEM_QUEUES);
+	memset(queue, 0, sizeof(*queue));
+	atomic_set(&queue->use_count, 1);
+
+	++dev->queue_count;
+	if (dev->queue_count >= dev->queue_slots) {
+		oldslots = dev->queue_slots * sizeof(*dev->queuelist);
+		if (!dev->queue_slots) dev->queue_slots = 1;
+		dev->queue_slots *= 2;
+		newslots = dev->queue_slots * sizeof(*dev->queuelist);
+
+		dev->queuelist = DRM(realloc)(dev->queuelist,
+					      oldslots,
+					      newslots,
+					      DRM_MEM_QUEUES);
+		if (!dev->queuelist) {
+			DRM_OS_UNLOCK;
+			DRM_DEBUG("out of memory\n");
+			DRM_OS_RETURN(ENOMEM);
+		}
+	}
+	dev->queuelist[dev->queue_count-1] = queue;
+
+	DRM_OS_UNLOCK;
+	DRM_DEBUG("%d (new)\n", dev->queue_count - 1);
+	return dev->queue_count - 1;
+}
+
+int DRM(resctx)( DRM_OS_IOCTL )
+{
+	drm_ctx_res_t	res;
+	drm_ctx_t	ctx;
+	int		i;
+
+	DRM_DEBUG("%d\n", DRM_RESERVED_CONTEXTS);
+	
+	DRM_OS_KRNFROMUSR( res, (drm_ctx_res_t *)data, sizeof(res) );
+
+	if (res.count >= DRM_RESERVED_CONTEXTS) {
+		memset(&ctx, 0, sizeof(ctx));
+		for (i = 0; i < DRM_RESERVED_CONTEXTS; i++) {
+			ctx.handle = i;
+			if (DRM_OS_COPYTOUSR(&res.contexts[i],
+					 &i,
+					 sizeof(i)))
+				DRM_OS_RETURN(EFAULT);
+		}
+	}
+	res.count = DRM_RESERVED_CONTEXTS;
+
+	DRM_OS_KRNTOUSR( (drm_ctx_res_t *)data, res, sizeof(res) );
+
+	return 0;
+}
+
+int DRM(addctx)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_ctx_t	ctx;
+
+	DRM_OS_KRNFROMUSR( ctx, (drm_ctx_t *)data, sizeof(ctx) );
+
+	if ((ctx.handle = DRM(alloc_queue)(dev)) == DRM_KERNEL_CONTEXT) {
+				/* Init kernel's context and get a new one. */
+		DRM(init_queue)(dev, dev->queuelist[ctx.handle], &ctx);
+		ctx.handle = DRM(alloc_queue)(dev);
+	}
+	DRM(init_queue)(dev, dev->queuelist[ctx.handle], &ctx);
+	DRM_DEBUG("%d\n", ctx.handle);
+	
+	DRM_OS_KRNTOUSR( (drm_ctx_t *)data, ctx, sizeof(ctx) );
+
+	return 0;
+}
+
+int DRM(modctx)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_ctx_t	ctx;
+	drm_queue_t	*q;
+
+	DRM_OS_KRNFROMUSR( ctx, (drm_ctx_t *)data, sizeof(ctx) );
+
+	DRM_DEBUG("%d\n", ctx.handle);
+
+	if (ctx.handle < 0 || ctx.handle >= dev->queue_count) 
+		DRM_OS_RETURN(EINVAL);
+	q = dev->queuelist[ctx.handle];
+
+	atomic_inc(&q->use_count);
+	if (atomic_read(&q->use_count) == 1) {
+				/* No longer in use */
+		atomic_dec(&q->use_count);
+		DRM_OS_RETURN(EINVAL);
+	}
+
+	if (DRM_BUFCOUNT(&q->waitlist)) {
+		atomic_dec(&q->use_count);
+		DRM_OS_RETURN(EBUSY);
+	}
+
+	q->flags = ctx.flags;
+
+	atomic_dec(&q->use_count);
+	return 0;
+}
+
+int DRM(getctx)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_ctx_t	ctx;
+	drm_queue_t	*q;
+
+	DRM_OS_KRNFROMUSR( ctx, (drm_ctx_t *)data, sizeof(ctx) );
+
+	DRM_DEBUG("%d\n", ctx.handle);
+
+	if (ctx.handle >= dev->queue_count) 
+		DRM_OS_RETURN(EINVAL);
+	q = dev->queuelist[ctx.handle];
+
+	atomic_inc(&q->use_count);
+	if (atomic_read(&q->use_count) == 1) {
+				/* No longer in use */
+		atomic_dec(&q->use_count);
+		DRM_OS_RETURN(EINVAL);
+	}
+
+	ctx.flags = q->flags;
+	atomic_dec(&q->use_count);
+
+	DRM_OS_KRNTOUSR( (drm_ctx_t *)data, ctx, sizeof(ctx) );
+
+	return 0;
+}
+
+int DRM(switchctx)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_ctx_t	ctx;
+
+	DRM_OS_KRNFROMUSR( ctx, (drm_ctx_t *)data, sizeof(ctx) );
+
+	DRM_DEBUG("%d\n", ctx.handle);
+	return DRM(context_switch)(dev, dev->last_context, ctx.handle);
+}
+
+int DRM(newctx)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_ctx_t	ctx;
+
+	DRM_OS_KRNFROMUSR( ctx, (drm_ctx_t *)data, sizeof(ctx) );
+
+	DRM_DEBUG("%d\n", ctx.handle);
+	DRM(context_switch_complete)(dev, ctx.handle);
+
+	return 0;
+}
+
+int DRM(rmctx)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_ctx_t	ctx;
+	drm_queue_t	*q;
+	drm_buf_t	*buf;
+
+	DRM_OS_KRNFROMUSR( ctx, (drm_ctx_t *)data, sizeof(ctx) );
+
+	DRM_DEBUG("%d\n", ctx.handle);
+
+	if (ctx.handle >= dev->queue_count) DRM_OS_RETURN(EINVAL);
+	q = dev->queuelist[ctx.handle];
+
+	atomic_inc(&q->use_count);
+	if (atomic_read(&q->use_count) == 1) {
+				/* No longer in use */
+		atomic_dec(&q->use_count);
+		DRM_OS_RETURN(EINVAL);
+	}
+
+	atomic_inc(&q->finalization); /* Mark queue in finalization state */
+	atomic_sub(2, &q->use_count); /* Mark queue as unused (pending
+					 finalization) */
+
+	while (test_and_set_bit(0, &dev->interrupt_flag)) {
+		static int never;
+		int retcode;
+		retcode = tsleep(&never, PZERO|PCATCH, "never", 1);
+		if (retcode)
+			return retcode;
+	}
+				/* Remove queued buffers */
+	while ((buf = DRM(waitlist_get)(&q->waitlist))) {
+		DRM(free_buffer)(dev, buf);
+	}
+	clear_bit(0, &dev->interrupt_flag);
+
+				/* Wakeup blocked processes */
+	wakeup( &q->block_read );
+	wakeup( &q->block_write );
+	DRM_OS_WAKEUP_INT( &q->flush_queue );
+				/* Finalization over.  Queue is made
+				   available when both use_count and
+				   finalization become 0, which won't
+				   happen until all the waiting processes
+				   stop waiting. */
+	atomic_dec(&q->finalization);
+	return 0;
+}
+
+#endif /* __HAVE_CTX_BITMAP */
diff --git a/bsd/drm_dma.h b/bsd/drm_dma.h
new file mode 100644
index 00000000..e5aef241
--- /dev/null
+++ b/bsd/drm_dma.h
@@ -0,0 +1,605 @@
+/* drm_dma.c -- DMA IOCTL and function support -*- linux-c -*-
+ * Created: Fri Mar 19 14:30:16 1999 by faith@valinux.com
+ *
+ * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Rickard E. (Rik) Faith <faith@valinux.com>
+ *    Gareth Hughes <gareth@valinux.com>
+ */
+
+#include <machine/bus.h>
+#include <machine/resource.h>
+#include <sys/rman.h>
+
+#include "drmP.h"
+
+#ifndef __HAVE_DMA_WAITQUEUE
+#define __HAVE_DMA_WAITQUEUE	0
+#endif
+#ifndef __HAVE_DMA_RECLAIM
+#define __HAVE_DMA_RECLAIM	0
+#endif
+#ifndef __HAVE_SHARED_IRQ
+#define __HAVE_SHARED_IRQ	0
+#endif
+
+#if __HAVE_SHARED_IRQ
+#define DRM_IRQ_TYPE		SA_SHIRQ
+#else
+#define DRM_IRQ_TYPE		0
+#endif
+
+#if __HAVE_DMA
+
+int DRM(dma_setup)( drm_device_t *dev )
+{
+	int i;
+
+	dev->dma = DRM(alloc)( sizeof(*dev->dma), DRM_MEM_DRIVER );
+	if ( !dev->dma )
+		DRM_OS_RETURN(ENOMEM);
+
+	memset( dev->dma, 0, sizeof(*dev->dma) );
+
+	for ( i = 0 ; i <= DRM_MAX_ORDER ; i++ )
+		memset(&dev->dma->bufs[i], 0, sizeof(dev->dma->bufs[0]));
+
+	return 0;
+}
+
+void DRM(dma_takedown)(drm_device_t *dev)
+{
+	drm_device_dma_t  *dma = dev->dma;
+	int		  i, j;
+
+	if (!dma) return;
+
+				/* Clear dma buffers */
+	for (i = 0; i <= DRM_MAX_ORDER; i++) {
+		if (dma->bufs[i].seg_count) {
+			DRM_DEBUG("order %d: buf_count = %d,"
+				  " seg_count = %d\n",
+				  i,
+				  dma->bufs[i].buf_count,
+				  dma->bufs[i].seg_count);
+			for (j = 0; j < dma->bufs[i].seg_count; j++) {
+				DRM(free_pages)(dma->bufs[i].seglist[j],
+						dma->bufs[i].page_order,
+						DRM_MEM_DMA);
+			}
+			DRM(free)(dma->bufs[i].seglist,
+				  dma->bufs[i].seg_count
+				  * sizeof(*dma->bufs[0].seglist),
+				  DRM_MEM_SEGS);
+		}
+	   	if(dma->bufs[i].buf_count) {
+		   	for(j = 0; j < dma->bufs[i].buf_count; j++) {
+			   if(dma->bufs[i].buflist[j].dev_private) {
+			      DRM(free)(dma->bufs[i].buflist[j].dev_private,
+					dma->bufs[i].buflist[j].dev_priv_size,
+					DRM_MEM_BUFS);
+			   }
+			}
+		   	DRM(free)(dma->bufs[i].buflist,
+				  dma->bufs[i].buf_count *
+				  sizeof(*dma->bufs[0].buflist),
+				  DRM_MEM_BUFS);
+#if __HAVE_DMA_FREELIST
+		   	DRM(freelist_destroy)(&dma->bufs[i].freelist);
+#endif
+		}
+	}
+
+	if (dma->buflist) {
+		DRM(free)(dma->buflist,
+			  dma->buf_count * sizeof(*dma->buflist),
+			  DRM_MEM_BUFS);
+	}
+
+	if (dma->pagelist) {
+		DRM(free)(dma->pagelist,
+			  dma->page_count * sizeof(*dma->pagelist),
+			  DRM_MEM_PAGES);
+	}
+	DRM(free)(dev->dma, sizeof(*dev->dma), DRM_MEM_DRIVER);
+	dev->dma = NULL;
+}
+
+
+#if __HAVE_DMA_HISTOGRAM
+/* This is slow, but is useful for debugging. */
+int DRM(histogram_slot)(unsigned long count)
+{
+	int value = DRM_DMA_HISTOGRAM_INITIAL;
+	int slot;
+
+	for (slot = 0;
+	     slot < DRM_DMA_HISTOGRAM_SLOTS;
+	     ++slot, value = DRM_DMA_HISTOGRAM_NEXT(value)) {
+		if (count < value) return slot;
+	}
+	return DRM_DMA_HISTOGRAM_SLOTS - 1;
+}
+
+void DRM(histogram_compute)(drm_device_t *dev, drm_buf_t *buf)
+{
+	cycles_t queued_to_dispatched;
+	cycles_t dispatched_to_completed;
+	cycles_t completed_to_freed;
+	int	 q2d, d2c, c2f, q2c, q2f;
+
+	if (buf->time_queued) {
+		queued_to_dispatched	= (buf->time_dispatched
+					   - buf->time_queued);
+		dispatched_to_completed = (buf->time_completed
+					   - buf->time_dispatched);
+		completed_to_freed	= (buf->time_freed
+					   - buf->time_completed);
+
+		q2d = DRM(histogram_slot)(queued_to_dispatched);
+		d2c = DRM(histogram_slot)(dispatched_to_completed);
+		c2f = DRM(histogram_slot)(completed_to_freed);
+
+		q2c = DRM(histogram_slot)(queued_to_dispatched
+					  + dispatched_to_completed);
+		q2f = DRM(histogram_slot)(queued_to_dispatched
+					  + dispatched_to_completed
+					  + completed_to_freed);
+
+		atomic_inc(&dev->histo.total);
+		atomic_inc(&dev->histo.queued_to_dispatched[q2d]);
+		atomic_inc(&dev->histo.dispatched_to_completed[d2c]);
+		atomic_inc(&dev->histo.completed_to_freed[c2f]);
+
+		atomic_inc(&dev->histo.queued_to_completed[q2c]);
+		atomic_inc(&dev->histo.queued_to_freed[q2f]);
+
+	}
+	buf->time_queued     = 0;
+	buf->time_dispatched = 0;
+	buf->time_completed  = 0;
+	buf->time_freed	     = 0;
+}
+#endif
+
+void DRM(free_buffer)(drm_device_t *dev, drm_buf_t *buf)
+{
+	if (!buf) return;
+
+	buf->waiting  = 0;
+	buf->pending  = 0;
+	buf->pid      = 0;
+	buf->used     = 0;
+#if __HAVE_DMA_HISTOGRAM
+	buf->time_completed = get_cycles();
+#endif
+
+	if ( buf->dma_wait ) {
+		wakeup( &buf->dma_wait );
+		buf->dma_wait = 0;
+	}
+#if __HAVE_DMA_FREELIST
+	else {
+		drm_device_dma_t *dma = dev->dma;
+				/* If processes are waiting, the last one
+				   to wake will put the buffer on the free
+				   list.  If no processes are waiting, we
+				   put the buffer on the freelist here. */
+		DRM(freelist_put)(dev, &dma->bufs[buf->order].freelist, buf);
+	}
+#endif
+}
+
+#if !__HAVE_DMA_RECLAIM
+void DRM(reclaim_buffers)(drm_device_t *dev, pid_t pid)
+{
+	drm_device_dma_t *dma = dev->dma;
+	int		 i;
+
+	if (!dma) return;
+	for (i = 0; i < dma->buf_count; i++) {
+		if (dma->buflist[i]->pid == pid) {
+			switch (dma->buflist[i]->list) {
+			case DRM_LIST_NONE:
+				DRM(free_buffer)(dev, dma->buflist[i]);
+				break;
+			case DRM_LIST_WAIT:
+				dma->buflist[i]->list = DRM_LIST_RECLAIM;
+				break;
+			default:
+				/* Buffer already on hardware. */
+				break;
+			}
+		}
+	}
+}
+#endif
+
+
+/* GH: This is a big hack for now...
+ */
+#if __HAVE_OLD_DMA
+
+void DRM(clear_next_buffer)(drm_device_t *dev)
+{
+	drm_device_dma_t *dma = dev->dma;
+
+	dma->next_buffer = NULL;
+	if (dma->next_queue && !DRM_BUFCOUNT(&dma->next_queue->waitlist)) {
+		DRM_OS_WAKEUP_INT(&dma->next_queue->flush_queue);
+	}
+	dma->next_queue	 = NULL;
+}
+
+int DRM(select_queue)(drm_device_t *dev, void (*wrapper)(unsigned long))
+{
+	int	   i;
+	int	   candidate = -1;
+	int	   j	     = jiffies;
+
+	if (!dev) {
+		DRM_ERROR("No device\n");
+		return -1;
+	}
+	if (!dev->queuelist || !dev->queuelist[DRM_KERNEL_CONTEXT]) {
+				/* This only happens between the time the
+				   interrupt is initialized and the time
+				   the queues are initialized. */
+		return -1;
+	}
+
+				/* Doing "while locked" DMA? */
+	if (DRM_WAITCOUNT(dev, DRM_KERNEL_CONTEXT)) {
+		return DRM_KERNEL_CONTEXT;
+	}
+
+				/* If there are buffers on the last_context
+				   queue, and we have not been executing
+				   this context very long, continue to
+				   execute this context. */
+	if (dev->last_switch <= j
+	    && dev->last_switch + DRM_TIME_SLICE > j
+	    && DRM_WAITCOUNT(dev, dev->last_context)) {
+		return dev->last_context;
+	}
+
+				/* Otherwise, find a candidate */
+	for (i = dev->last_checked + 1; i < dev->queue_count; i++) {
+		if (DRM_WAITCOUNT(dev, i)) {
+			candidate = dev->last_checked = i;
+			break;
+		}
+	}
+
+	if (candidate < 0) {
+		for (i = 0; i < dev->queue_count; i++) {
+			if (DRM_WAITCOUNT(dev, i)) {
+				candidate = dev->last_checked = i;
+				break;
+			}
+		}
+	}
+
+	if (wrapper
+	    && candidate >= 0
+	    && candidate != dev->last_context
+	    && dev->last_switch <= j
+	    && dev->last_switch + DRM_TIME_SLICE > j) {
+		int s = splclock();
+		if (dev->timer.c_time != dev->last_switch + DRM_TIME_SLICE) {
+			callout_reset(&dev->timer,
+				      dev->last_switch + DRM_TIME_SLICE - j,
+				      (void (*)(void *))wrapper,
+				      dev);
+		}
+		splx(s);
+		return -1;
+	}
+
+	return candidate;
+}
+
+
+int DRM(dma_enqueue)(drm_device_t *dev, drm_dma_t *d)
+{
+	int		  i;
+	drm_queue_t	  *q;
+	drm_buf_t	  *buf;
+	int		  idx;
+	int		  while_locked = 0;
+	drm_device_dma_t  *dma = dev->dma;
+	int		  error;
+
+	DRM_DEBUG("%d\n", d->send_count);
+
+	if (d->flags & _DRM_DMA_WHILE_LOCKED) {
+		int context = dev->lock.hw_lock->lock;
+
+		if (!_DRM_LOCK_IS_HELD(context)) {
+			DRM_ERROR("No lock held during \"while locked\""
+				  " request\n");
+			DRM_OS_RETURN(EINVAL);
+		}
+		if (d->context != _DRM_LOCKING_CONTEXT(context)
+		    && _DRM_LOCKING_CONTEXT(context) != DRM_KERNEL_CONTEXT) {
+			DRM_ERROR("Lock held by %d while %d makes"
+				  " \"while locked\" request\n",
+				  _DRM_LOCKING_CONTEXT(context),
+				  d->context);
+			DRM_OS_RETURN(EINVAL);
+		}
+		q = dev->queuelist[DRM_KERNEL_CONTEXT];
+		while_locked = 1;
+	} else {
+		q = dev->queuelist[d->context];
+	}
+
+
+	atomic_inc(&q->use_count);
+	if (atomic_read(&q->block_write)) {
+		atomic_inc(&q->block_count);
+		for (;;) {
+			if (!atomic_read(&q->block_write)) break;
+			error = tsleep(&q->block_write, PZERO|PCATCH,
+				       "dmawr", 0);
+			if (error) {
+				atomic_dec(&q->use_count);
+				return error;
+			}
+		}
+		atomic_dec(&q->block_count);
+	}
+
+	for (i = 0; i < d->send_count; i++) {
+		idx = d->send_indices[i];
+		if (idx < 0 || idx >= dma->buf_count) {
+			atomic_dec(&q->use_count);
+			DRM_ERROR("Index %d (of %d max)\n",
+				  d->send_indices[i], dma->buf_count - 1);
+			DRM_OS_RETURN(EINVAL);
+		}
+		buf = dma->buflist[ idx ];
+		if (buf->pid != DRM_OS_CURRENTPID) {
+			atomic_dec(&q->use_count);
+			DRM_ERROR("Process %d using buffer owned by %d\n",
+				  DRM_OS_CURRENTPID, buf->pid);
+			DRM_OS_RETURN(EINVAL);
+		}
+		if (buf->list != DRM_LIST_NONE) {
+			atomic_dec(&q->use_count);
+			DRM_ERROR("Process %d using buffer %d on list %d\n",
+				  DRM_OS_CURRENTPID, buf->idx, buf->list);
+		}
+		buf->used	  = d->send_sizes[i];
+		buf->while_locked = while_locked;
+		buf->context	  = d->context;
+		if (!buf->used) {
+			DRM_ERROR("Queueing 0 length buffer\n");
+		}
+		if (buf->pending) {
+			atomic_dec(&q->use_count);
+			DRM_ERROR("Queueing pending buffer:"
+				  " buffer %d, offset %d\n",
+				  d->send_indices[i], i);
+			DRM_OS_RETURN(EINVAL);
+		}
+		if (buf->waiting) {
+			atomic_dec(&q->use_count);
+			DRM_ERROR("Queueing waiting buffer:"
+				  " buffer %d, offset %d\n",
+				  d->send_indices[i], i);
+			DRM_OS_RETURN(EINVAL);
+		}
+		buf->waiting = 1;
+		if (atomic_read(&q->use_count) == 1
+		    || atomic_read(&q->finalization)) {
+			DRM(free_buffer)(dev, buf);
+		} else {
+			DRM(waitlist_put)(&q->waitlist, buf);
+			atomic_inc(&q->total_queued);
+		}
+	}
+	atomic_dec(&q->use_count);
+
+	return 0;
+}
+
+static int DRM(dma_get_buffers_of_order)(drm_device_t *dev, drm_dma_t *d,
+					 int order)
+{
+	int		  i;
+	drm_buf_t	  *buf;
+	drm_device_dma_t  *dma = dev->dma;
+
+	for (i = d->granted_count; i < d->request_count; i++) {
+		buf = DRM(freelist_get)(&dma->bufs[order].freelist,
+					d->flags & _DRM_DMA_WAIT);
+		if (!buf) break;
+		if (buf->pending || buf->waiting) {
+			DRM_ERROR("Free buffer %d in use by %d (w%d, p%d)\n",
+				  buf->idx,
+				  buf->pid,
+				  buf->waiting,
+				  buf->pending);
+		}
+		buf->pid     = DRM_OS_CURRENTPID;
+		if (DRM_OS_COPYTOUSR(&d->request_indices[i],
+				 &buf->idx,
+				 sizeof(buf->idx)))
+			DRM_OS_RETURN(EFAULT);
+
+		if (DRM_OS_COPYTOUSR(&d->request_sizes[i],
+				 &buf->total,
+				 sizeof(buf->total)))
+			DRM_OS_RETURN(EFAULT);
+
+		++d->granted_count;
+	}
+	return 0;
+}
+
+
+int DRM(dma_get_buffers)(drm_device_t *dev, drm_dma_t *dma)
+{
+	int		  order;
+	int		  retcode = 0;
+	int		  tmp_order;
+
+	order = DRM(order)(dma->request_size);
+
+	dma->granted_count = 0;
+	retcode		   = DRM(dma_get_buffers_of_order)(dev, dma, order);
+
+	if (dma->granted_count < dma->request_count
+	    && (dma->flags & _DRM_DMA_SMALLER_OK)) {
+		for (tmp_order = order - 1;
+		     !retcode
+			     && dma->granted_count < dma->request_count
+			     && tmp_order >= DRM_MIN_ORDER;
+		     --tmp_order) {
+
+			retcode = DRM(dma_get_buffers_of_order)(dev, dma,
+								tmp_order);
+		}
+	}
+
+	if (dma->granted_count < dma->request_count
+	    && (dma->flags & _DRM_DMA_LARGER_OK)) {
+		for (tmp_order = order + 1;
+		     !retcode
+			     && dma->granted_count < dma->request_count
+			     && tmp_order <= DRM_MAX_ORDER;
+		     ++tmp_order) {
+
+			retcode = DRM(dma_get_buffers_of_order)(dev, dma,
+								tmp_order);
+		}
+	}
+	return 0;
+}
+
+#endif /* __HAVE_OLD_DMA */
+
+
+#if __HAVE_DMA_IRQ
+
+int DRM(irq_install)( drm_device_t *dev, int irq )
+{
+	int rid;
+	int retcode;
+
+	if ( !irq )
+		DRM_OS_RETURN(EINVAL);
+
+	DRM_OS_LOCK;
+	if ( dev->irq ) {
+		DRM_OS_UNLOCK;
+		DRM_OS_RETURN(EBUSY);
+	}
+	dev->irq = irq;
+	DRM_OS_UNLOCK;
+
+	DRM_DEBUG( "%s: irq=%d\n", __FUNCTION__, irq );
+
+	dev->context_flag = 0;
+	dev->interrupt_flag = 0;
+	dev->dma_flag = 0;
+
+	dev->dma->next_buffer = NULL;
+	dev->dma->next_queue = NULL;
+	dev->dma->this_buffer = NULL;
+
+#if __HAVE_DMA_IRQ_BH
+	TASK_INIT(&dev->task, 0, DRM(dma_immediate_bh), dev);
+#endif
+
+				/* Before installing handler */
+	DRIVER_PREINSTALL();
+
+				/* Install handler */
+	rid = 0;
+	dev->irqr = bus_alloc_resource(dev->device, SYS_RES_IRQ, &rid,
+				      0, ~0, 1, RF_SHAREABLE);
+	if (!dev->irqr)
+		return ENOENT;
+	
+	retcode = bus_setup_intr(dev->device, dev->irqr, INTR_TYPE_TTY,
+				 DRM(dma_service), dev, &dev->irqh);
+	if ( retcode ) {
+		DRM_OS_LOCK;
+		bus_release_resource(dev->device, SYS_RES_IRQ, 0, dev->irqr);
+		dev->irq = 0;
+		DRM_OS_UNLOCK;
+		return retcode;
+	}
+
+				/* After installing handler */
+	DRIVER_POSTINSTALL();
+
+	return 0;
+}
+
+int DRM(irq_uninstall)( drm_device_t *dev )
+{
+	int irq;
+
+	DRM_OS_LOCK;
+	irq = dev->irq;
+	dev->irq = 0;
+	DRM_OS_UNLOCK;
+
+	if ( !irq )
+		DRM_OS_RETURN(EINVAL);
+
+	DRM_DEBUG( "%s: irq=%d\n", __FUNCTION__, irq );
+
+	DRIVER_UNINSTALL();
+
+	bus_teardown_intr(dev->device, dev->irqr, dev->irqh);
+	bus_release_resource(dev->device, SYS_RES_IRQ, 0, dev->irqr);
+	
+	return 0;
+}
+
+int DRM(control)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_control_t ctl;
+
+	DRM_OS_KRNFROMUSR( ctl, (drm_control_t *) data, sizeof(ctl) );
+
+	switch ( ctl.func ) {
+	case DRM_INST_HANDLER:
+		return DRM(irq_install)( dev, ctl.irq );
+	case DRM_UNINST_HANDLER:
+		return DRM(irq_uninstall)( dev );
+	default:
+		DRM_OS_RETURN(EINVAL);
+	}
+}
+
+#endif /* __HAVE_DMA_IRQ */
+
+#endif /* __HAVE_DMA */
diff --git a/bsd/drm_drawable.h b/bsd/drm_drawable.h
new file mode 100644
index 00000000..f57d8628
--- /dev/null
+++ b/bsd/drm_drawable.h
@@ -0,0 +1,50 @@
+/* drm_drawable.h -- IOCTLs for drawables -*- linux-c -*-
+ * Created: Tue Feb  2 08:37:54 1999 by faith@valinux.com
+ *
+ * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Rickard E. (Rik) Faith <faith@valinux.com>
+ *    Gareth Hughes <gareth@valinux.com>
+ */
+
+#define __NO_VERSION__
+#include "drmP.h"
+
+int DRM(adddraw)( DRM_OS_IOCTL )
+{
+	drm_draw_t draw;
+
+	draw.handle = 0;	/* NOOP */
+	DRM_DEBUG("%d\n", draw.handle);
+	
+	DRM_OS_KRNTOUSR( (drm_draw_t *)data, draw, sizeof(draw) );
+
+	return 0;
+}
+
+int DRM(rmdraw)( DRM_OS_IOCTL )
+{
+	return 0;		/* NOOP */
+}
diff --git a/bsd/drm_drv.h b/bsd/drm_drv.h
new file mode 100644
index 00000000..4e5d76fb
--- /dev/null
+++ b/bsd/drm_drv.h
@@ -0,0 +1,1160 @@
+/* drm_drv.h -- Generic driver template -*- linux-c -*-
+ * Created: Thu Nov 23 03:10:50 2000 by gareth@valinux.com
+ *
+ * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Rickard E. (Rik) Faith <faith@valinux.com>
+ *    Gareth Hughes <gareth@valinux.com>
+ */
+
+/*
+ * To use this template, you must at least define the following (samples
+ * given for the MGA driver):
+ *
+ * #define DRIVER_AUTHOR	"VA Linux Systems, Inc."
+ *
+ * #define DRIVER_NAME		"mga"
+ * #define DRIVER_DESC		"Matrox G200/G400"
+ * #define DRIVER_DATE		"20001127"
+ *
+ * #define DRIVER_MAJOR		2
+ * #define DRIVER_MINOR		0
+ * #define DRIVER_PATCHLEVEL	2
+ *
+ * #define DRIVER_IOCTL_COUNT	DRM_ARRAY_SIZE( mga_ioctls )
+ *
+ * #define DRM(x)		mga_##x
+ */
+
+#ifndef __MUST_HAVE_AGP
+#define __MUST_HAVE_AGP			0
+#endif
+#ifndef __HAVE_CTX_BITMAP
+#define __HAVE_CTX_BITMAP		0
+#endif
+#ifndef __HAVE_DMA_IRQ
+#define __HAVE_DMA_IRQ			0
+#endif
+#ifndef __HAVE_DMA_QUEUE
+#define __HAVE_DMA_QUEUE		0
+#endif
+#ifndef __HAVE_MULTIPLE_DMA_QUEUES
+#define __HAVE_MULTIPLE_DMA_QUEUES	0
+#endif
+#ifndef __HAVE_DMA_SCHEDULE
+#define __HAVE_DMA_SCHEDULE		0
+#endif
+#ifndef __HAVE_DMA_FLUSH
+#define __HAVE_DMA_FLUSH		0
+#endif
+#ifndef __HAVE_DMA_READY
+#define __HAVE_DMA_READY		0
+#endif
+#ifndef __HAVE_DMA_QUIESCENT
+#define __HAVE_DMA_QUIESCENT		0
+#endif
+#ifndef __HAVE_RELEASE
+#define __HAVE_RELEASE			0
+#endif
+#ifndef __HAVE_COUNTERS
+#define __HAVE_COUNTERS			0
+#endif
+#ifndef __HAVE_SG
+#define __HAVE_SG			0
+#endif
+#ifndef __HAVE_KERNEL_CTX_SWITCH
+#define __HAVE_KERNEL_CTX_SWITCH	0
+#endif
+#ifndef PCI_ANY_ID
+#define PCI_ANY_ID	~0
+#endif
+
+#ifndef DRIVER_PREINIT
+#define DRIVER_PREINIT()
+#endif
+#ifndef DRIVER_POSTINIT
+#define DRIVER_POSTINIT()
+#endif
+#ifndef DRIVER_PRERELEASE
+#define DRIVER_PRERELEASE()
+#endif
+#ifndef DRIVER_PRETAKEDOWN
+#define DRIVER_PRETAKEDOWN()
+#endif
+#ifndef DRIVER_POSTCLEANUP
+#define DRIVER_POSTCLEANUP()
+#endif
+#ifndef DRIVER_PRESETUP
+#define DRIVER_PRESETUP()
+#endif
+#ifndef DRIVER_POSTSETUP
+#define DRIVER_POSTSETUP()
+#endif
+#ifndef DRIVER_IOCTLS
+#define DRIVER_IOCTLS
+#endif
+#ifndef DRIVER_FOPS
+#if DRM_LINUX
+#include <sys/file.h>
+#include <sys/proc.h>
+#include <machine/../linux/linux.h>
+#include <machine/../linux/linux_proto.h>
+#include "drm_linux.h"
+#endif
+#endif
+
+
+/*
+ * The default number of instances (minor numbers) to initialize.
+ */
+#ifndef DRIVER_NUM_CARDS
+#define DRIVER_NUM_CARDS 1
+#endif
+
+static int DRM(init)(device_t nbdev);
+static void DRM(cleanup)(device_t nbdev);
+
+#define CDEV_MAJOR	145
+#define DRIVER_SOFTC(unit) \
+	((drm_device_t *) devclass_get_softc(DRM(devclass), unit))
+
+#if __REALLY_HAVE_AGP
+MODULE_DEPEND(DRIVER_NAME, agp, 1, 1, 1);
+#endif
+#if DRM_LINUX
+MODULE_DEPEND(DRIVER_NAME, linux, 1, 1, 1);
+#endif
+
+static drm_device_t	*DRM(device);
+static int		*DRM(minor);
+static int		DRM(numdevs) = 0;
+
+
+static drm_ioctl_desc_t		  DRM(ioctls)[] = {
+	[DRM_IOCTL_NR(DRM_IOCTL_VERSION)]       = { DRM(version),     0, 0 },
+	[DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)]    = { DRM(getunique),   0, 0 },
+	[DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)]     = { DRM(getmagic),    0, 0 },
+	[DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)]     = { DRM(irq_busid),   0, 1 },
+	[DRM_IOCTL_NR(DRM_IOCTL_GET_MAP)]       = { DRM(getmap),      0, 0 },
+	[DRM_IOCTL_NR(DRM_IOCTL_GET_CLIENT)]    = { DRM(getclient),   0, 0 },
+	[DRM_IOCTL_NR(DRM_IOCTL_GET_STATS)]     = { DRM(getstats),    0, 0 },
+
+	[DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)]    = { DRM(setunique),   1, 1 },
+	[DRM_IOCTL_NR(DRM_IOCTL_BLOCK)]         = { DRM(block),       1, 1 },
+	[DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)]       = { DRM(unblock),     1, 1 },
+	[DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)]    = { DRM(authmagic),   1, 1 },
+
+	[DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)]       = { DRM(addmap),      1, 1 },
+	[DRM_IOCTL_NR(DRM_IOCTL_RM_MAP)]        = { DRM(rmmap),       1, 0 },
+
+#if __HAVE_CTX_BITMAP
+	[DRM_IOCTL_NR(DRM_IOCTL_SET_SAREA_CTX)] = { DRM(setsareactx), 1, 1 },
+	[DRM_IOCTL_NR(DRM_IOCTL_GET_SAREA_CTX)] = { DRM(getsareactx), 1, 0 },
+#endif
+
+	[DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)]       = { DRM(addctx),      1, 1 },
+	[DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)]        = { DRM(rmctx),       1, 1 },
+	[DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)]       = { DRM(modctx),      1, 1 },
+	[DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)]       = { DRM(getctx),      1, 0 },
+	[DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)]    = { DRM(switchctx),   1, 1 },
+	[DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)]       = { DRM(newctx),      1, 1 },
+	[DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)]       = { DRM(resctx),      1, 0 },
+
+	[DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)]      = { DRM(adddraw),     1, 1 },
+	[DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)]       = { DRM(rmdraw),      1, 1 },
+
+	[DRM_IOCTL_NR(DRM_IOCTL_LOCK)]	        = { DRM(lock),        1, 0 },
+	[DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)]        = { DRM(unlock),      1, 0 },
+	[DRM_IOCTL_NR(DRM_IOCTL_FINISH)]        = { DRM(finish),      1, 0 },
+
+#if __HAVE_DMA
+	[DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS)]      = { DRM(addbufs),     1, 1 },
+	[DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS)]     = { DRM(markbufs),    1, 1 },
+	[DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS)]     = { DRM(infobufs),    1, 0 },
+	[DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS)]      = { DRM(mapbufs),     1, 0 },
+	[DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS)]     = { DRM(freebufs),    1, 0 },
+
+	/* The DRM_IOCTL_DMA ioctl should be defined by the driver.
+	 */
+#if __HAVE_DMA_IRQ
+	[DRM_IOCTL_NR(DRM_IOCTL_CONTROL)]       = { DRM(control),     1, 1 },
+#endif
+#endif
+
+#if __REALLY_HAVE_AGP
+	[DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)]   = { DRM(agp_acquire), 1, 1 },
+	[DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)]   = { DRM(agp_release), 1, 1 },
+	[DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)]    = { DRM(agp_enable),  1, 1 },
+	[DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)]      = { DRM(agp_info),    1, 0 },
+	[DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)]     = { DRM(agp_alloc),   1, 1 },
+	[DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)]      = { DRM(agp_free),    1, 1 },
+	[DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)]      = { DRM(agp_bind),    1, 1 },
+	[DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)]    = { DRM(agp_unbind),  1, 1 },
+#endif
+
+#if __REALLY_HAVE_SG
+	[DRM_IOCTL_NR(DRM_IOCTL_SG_ALLOC)]      = { DRM(sg_alloc),    1, 1 },
+	[DRM_IOCTL_NR(DRM_IOCTL_SG_FREE)]       = { DRM(sg_free),     1, 1 },
+#endif
+
+	DRIVER_IOCTLS
+};
+
+#define DRIVER_IOCTL_COUNT	DRM_ARRAY_SIZE( DRM(ioctls) )
+
+
+static int DRM(probe)(device_t dev)
+{
+	const char *s = 0;
+
+	int pciid=pci_get_devid(dev);
+	int vendor = (pciid & 0x0000ffff);
+	int device = (pciid & 0xffff0000) >> 16;
+	int i=0, done=0;
+	DRM_INFO("Checking PCI vendor=%d, device=%d\n", vendor, device);
+	while ( !done && (DRM(devicelist)[i].vendor != 0 ) ) {
+		if ( (DRM(devicelist)[i].vendor == vendor) &&
+		     (DRM(devicelist)[i].device == device) ) {
+			done=1;
+			if ( DRM(devicelist)[i].supported )
+				s = DRM(devicelist)[i].name;
+			else
+				DRM_INFO("%s not supported\n", DRM(devicelist)[i].name);
+		}
+		i++;
+	}
+	
+	if (s) {
+		device_set_desc(dev, s);
+		return 0;
+	}
+
+	return ENXIO;
+}
+
+static int DRM(attach)(device_t dev)
+{
+	return DRM(init)(dev);
+}
+
+static int DRM(detach)(device_t dev)
+{
+	DRM(cleanup)(dev);
+	return 0;
+}
+
+static device_method_t DRM(methods)[] = {
+	/* Device interface */
+	DEVMETHOD(device_probe,		DRM( probe)),
+	DEVMETHOD(device_attach,	DRM( attach)),
+	DEVMETHOD(device_detach,	DRM( detach)),
+
+	{ 0, 0 }
+};
+
+static driver_t DRM(driver) = {
+	"drm",
+	DRM(methods),
+	sizeof(drm_device_t),
+};
+
+static devclass_t DRM( devclass);
+
+static struct cdevsw DRM( cdevsw) = {
+	/* open */	DRM( open ),
+	/* close */	DRM( close ),
+	/* read */	DRM( read ),
+	/* write */	DRM( write ),
+	/* ioctl */	DRM( ioctl ),
+	/* poll */	DRM( poll ),
+	/* mmap */	DRM( mmap ),
+	/* strategy */	nostrategy,
+	/* name */	DRIVER_NAME,
+	/* maj */	CDEV_MAJOR,
+	/* dump */	nodump,
+	/* psize */	nopsize,
+	/* flags */	D_TTY | D_TRACKCLOSE,
+#if __FreeBSD_version >= 500000
+	/* kqfilter */	0
+#else
+	/* bmaj */	-1
+#endif
+};
+
+static int DRM(setup)( drm_device_t *dev )
+{
+	int i;
+
+	DRIVER_PRESETUP();
+	atomic_set( &dev->ioctl_count, 0 );
+	atomic_set( &dev->vma_count, 0 );
+	dev->buf_use = 0;
+	atomic_set( &dev->buf_alloc, 0 );
+
+#if __HAVE_DMA
+	i = DRM(dma_setup)( dev );
+	if ( i < 0 )
+		return i;
+#endif
+
+	dev->counters  = 6 + __HAVE_COUNTERS;
+	dev->types[0]  = _DRM_STAT_LOCK;
+	dev->types[1]  = _DRM_STAT_OPENS;
+	dev->types[2]  = _DRM_STAT_CLOSES;
+	dev->types[3]  = _DRM_STAT_IOCTLS;
+	dev->types[4]  = _DRM_STAT_LOCKS;
+	dev->types[5]  = _DRM_STAT_UNLOCKS;
+#ifdef __HAVE_COUNTER6
+	dev->types[6]  = __HAVE_COUNTER6;
+#endif
+#ifdef __HAVE_COUNTER7
+	dev->types[7]  = __HAVE_COUNTER7;
+#endif
+#ifdef __HAVE_COUNTER8
+	dev->types[8]  = __HAVE_COUNTER8;
+#endif
+#ifdef __HAVE_COUNTER9
+	dev->types[9]  = __HAVE_COUNTER9;
+#endif
+#ifdef __HAVE_COUNTER10
+	dev->types[10] = __HAVE_COUNTER10;
+#endif
+#ifdef __HAVE_COUNTER11
+	dev->types[11] = __HAVE_COUNTER11;
+#endif
+#ifdef __HAVE_COUNTER12
+	dev->types[12] = __HAVE_COUNTER12;
+#endif
+#ifdef __HAVE_COUNTER13
+	dev->types[13] = __HAVE_COUNTER13;
+#endif
+#ifdef __HAVE_COUNTER14
+	dev->types[14] = __HAVE_COUNTER14;
+#endif
+#ifdef __HAVE_COUNTER15
+	dev->types[14] = __HAVE_COUNTER14;
+#endif
+
+	for ( i = 0 ; i < DRM_ARRAY_SIZE(dev->counts) ; i++ )
+		atomic_set( &dev->counts[i], 0 );
+
+	for ( i = 0 ; i < DRM_HASH_SIZE ; i++ ) {
+		dev->magiclist[i].head = NULL;
+		dev->magiclist[i].tail = NULL;
+	}
+
+	dev->maplist = DRM(alloc)(sizeof(*dev->maplist),
+				  DRM_MEM_MAPS);
+	if(dev->maplist == NULL) DRM_OS_RETURN(ENOMEM);
+	memset(dev->maplist, 0, sizeof(*dev->maplist));
+	TAILQ_INIT(dev->maplist);
+	dev->map_count = 0;
+
+	dev->vmalist = NULL;
+	dev->lock.hw_lock = NULL;
+	dev->lock.lock_queue = 0;
+	dev->queue_count = 0;
+	dev->queue_reserved = 0;
+	dev->queue_slots = 0;
+	dev->queuelist = NULL;
+	dev->irq = 0;
+	dev->context_flag = 0;
+	dev->interrupt_flag = 0;
+	dev->dma_flag = 0;
+	dev->last_context = 0;
+	dev->last_switch = 0;
+	dev->last_checked = 0;
+#if __FreeBSD_version >= 500000
+	callout_init( &dev->timer, 1 );
+#else
+	callout_init( &dev->timer );
+#endif
+	dev->context_wait = 0;
+
+	dev->ctx_start = 0;
+	dev->lck_start = 0;
+
+	dev->buf_rp = dev->buf;
+	dev->buf_wp = dev->buf;
+	dev->buf_end = dev->buf + DRM_BSZ;
+	dev->buf_sigio = NULL;
+	dev->buf_readers = 0;
+	dev->buf_writers = 0;
+	dev->buf_selecting = 0;
+
+	DRM_DEBUG( "\n" );
+
+	/* The kernel's context could be created here, but is now created
+	 * in drm_dma_enqueue.	This is more resource-efficient for
+	 * hardware that does not do DMA, but may mean that
+	 * drm_select_queue fails between the time the interrupt is
+	 * initialized and the time the queues are initialized.
+	 */
+	DRIVER_POSTSETUP();
+	return 0;
+}
+
+
+static int DRM(takedown)( drm_device_t *dev )
+{
+	drm_magic_entry_t *pt, *next;
+	drm_map_t *map;
+	drm_map_list_entry_t *list;
+	drm_vma_entry_t *vma, *vma_next;
+	int i;
+
+	DRM_DEBUG( "\n" );
+
+	DRIVER_PRETAKEDOWN();
+#if __HAVE_DMA_IRQ
+	if ( dev->irq ) DRM(irq_uninstall)( dev );
+#endif
+
+	DRM_OS_LOCK;
+	callout_stop( &dev->timer );
+
+	if ( dev->devname ) {
+		DRM(free)( dev->devname, strlen( dev->devname ) + 1,
+			   DRM_MEM_DRIVER );
+		dev->devname = NULL;
+	}
+
+	if ( dev->unique ) {
+		DRM(free)( dev->unique, strlen( dev->unique ) + 1,
+			   DRM_MEM_DRIVER );
+		dev->unique = NULL;
+		dev->unique_len = 0;
+	}
+				/* Clear pid list */
+	for ( i = 0 ; i < DRM_HASH_SIZE ; i++ ) {
+		for ( pt = dev->magiclist[i].head ; pt ; pt = next ) {
+			next = pt->next;
+			DRM(free)( pt, sizeof(*pt), DRM_MEM_MAGIC );
+		}
+		dev->magiclist[i].head = dev->magiclist[i].tail = NULL;
+	}
+
+#if __REALLY_HAVE_AGP
+				/* Clear AGP information */
+	if ( dev->agp ) {
+		drm_agp_mem_t *entry;
+		drm_agp_mem_t *nexte;
+
+				/* Remove AGP resources, but leave dev->agp
+                                   intact until drv_cleanup is called. */
+		for ( entry = dev->agp->memory ; entry ; entry = nexte ) {
+			nexte = entry->next;
+			if ( entry->bound ) DRM(unbind_agp)( entry->handle );
+			DRM(free_agp)( entry->handle, entry->pages );
+			DRM(free)( entry, sizeof(*entry), DRM_MEM_AGPLISTS );
+		}
+		dev->agp->memory = NULL;
+
+		if ( dev->agp->acquired ) DRM(agp_do_release)();
+
+		dev->agp->acquired = 0;
+		dev->agp->enabled  = 0;
+	}
+#endif
+
+				/* Clear vma list (only built for debugging) */
+	if ( dev->vmalist ) {
+		for ( vma = dev->vmalist ; vma ; vma = vma_next ) {
+			vma_next = vma->next;
+			DRM(free)( vma, sizeof(*vma), DRM_MEM_VMAS );
+		}
+		dev->vmalist = NULL;
+	}
+
+	if( dev->maplist ) {
+		while ((list=TAILQ_FIRST(dev->maplist))) {
+			map = list->map;
+			switch ( map->type ) {
+			case _DRM_REGISTERS:
+			case _DRM_FRAME_BUFFER:
+#if __REALLY_HAVE_MTRR
+				if ( map->mtrr >= 0 ) {
+					int retcode;
+					retcode = mtrr_del( map->mtrr,
+							    map->offset,
+							    map->size );
+					DRM_DEBUG( "mtrr_del=%d\n", retcode );
+				}
+#endif
+				DRM(ioremapfree)( map->handle, map->size );
+				break;
+			case _DRM_SHM:
+				DRM(free_pages)((unsigned long)map->handle,
+					       DRM(order)(map->size)
+					       - PAGE_SHIFT,
+					       DRM_MEM_SAREA);
+				break;
+
+			case _DRM_AGP:
+				/* Do nothing here, because this is all
+				 * handled in the AGP/GART driver.
+				 */
+				break;
+                       case _DRM_SCATTER_GATHER:
+				/* Handle it, but do nothing, if REALLY_HAVE_SG
+				 * isn't defined.
+				 */
+#if __REALLY_HAVE_SG
+				if(dev->sg) {
+					DRM(sg_cleanup)(dev->sg);
+					dev->sg = NULL;
+				}
+#endif
+				break;
+			}
+			TAILQ_REMOVE(dev->maplist, list, link);
+			DRM(free)(list, sizeof(*list), DRM_MEM_MAPS);
+			DRM(free)(map, sizeof(*map), DRM_MEM_MAPS);
+		}
+		DRM(free)(dev->maplist, sizeof(*dev->maplist), DRM_MEM_MAPS);
+		dev->maplist   = NULL;
+ 	}
+
+#if __HAVE_DMA_QUEUE || __HAVE_MULTIPLE_DMA_QUEUES
+	if ( dev->queuelist ) {
+		for ( i = 0 ; i < dev->queue_count ; i++ ) {
+			DRM(waitlist_destroy)( &dev->queuelist[i]->waitlist );
+			if ( dev->queuelist[i] ) {
+				DRM(free)( dev->queuelist[i],
+					  sizeof(*dev->queuelist[0]),
+					  DRM_MEM_QUEUES );
+				dev->queuelist[i] = NULL;
+			}
+		}
+		DRM(free)( dev->queuelist,
+			  dev->queue_slots * sizeof(*dev->queuelist),
+			  DRM_MEM_QUEUES );
+		dev->queuelist = NULL;
+	}
+	dev->queue_count = 0;
+#endif
+
+#if __HAVE_DMA
+	DRM(dma_takedown)( dev );
+#endif
+	if ( dev->lock.hw_lock ) {
+		dev->lock.hw_lock = NULL; /* SHM removed */
+		dev->lock.pid = 0;
+		DRM_OS_WAKEUP_INT(&dev->lock.lock_queue);
+	}
+	DRM_OS_UNLOCK;
+
+	return 0;
+}
+
+/*
+ * Figure out how many instances to initialize.
+ */
+static int drm_count_cards(void)
+{
+	int num = 0;
+#if defined(DRIVER_CARD_LIST)
+	int i;
+	drm_pci_list_t *l;
+	u16 device, vendor;
+	struct pci_dev *pdev = NULL;
+#endif
+
+	DRM_DEBUG( "\n" );
+
+#if defined(DRIVER_COUNT_CARDS)
+	num = DRIVER_COUNT_CARDS();
+#elif defined(DRIVER_CARD_LIST)
+	for (i = 0, l = DRIVER_CARD_LIST; l[i].vendor != 0; i++) {
+		pdev = NULL;
+		vendor = l[i].vendor;
+		device = l[i].device;
+		if(device == 0xffff) device = PCI_ANY_ID;
+		if(vendor == 0xffff) vendor = PCI_ANY_ID;
+		while ((pdev = pci_find_device(vendor, device, pdev))) {
+			num++;	/* FIXME: What about two cards of the same device id? */
+		}
+	}
+#else
+	num = DRIVER_NUM_CARDS;
+#endif
+	DRM_DEBUG("numdevs = %d\n", num);
+	return num;
+}
+
+/* drm_init is called via init_module at module load time, or via
+ * linux/init/main.c (this is not currently supported).
+ */
+static int DRM(init)( device_t nbdev )
+{
+
+	drm_device_t *dev;
+	int i;
+#if __HAVE_CTX_BITMAP
+	int retcode;
+#endif
+	DRM_DEBUG( "\n" );
+
+#ifdef MODULE
+	DRM(parse_options)( drm_opts );
+#endif
+
+	DRM(numdevs) = drm_count_cards();
+	/* Force at least one instance. */
+	if (DRM(numdevs) <= 0)
+		DRM(numdevs) = 1;
+
+	DRM(device) = DRM_OS_MALLOC(sizeof(*DRM(device)) * DRM(numdevs));
+	if (!DRM(device)) {
+		DRM_OS_RETURN(ENOMEM);
+	}
+	DRM(minor) = DRM_OS_MALLOC(sizeof(*(DRM(minor))) * DRM(numdevs));
+	if (!DRM(minor)) {
+		DRM_OS_FREE(DRM(device));
+		DRM_OS_RETURN(ENOMEM);
+	}
+
+	DRIVER_PREINIT();
+
+
+	for (i = 0; i < DRM(numdevs); i++) {
+		int unit = device_get_unit(nbdev);
+		/* FIXME??? - multihead !!! */
+		dev = device_get_softc(nbdev);
+		memset( (void *)dev, 0, sizeof(*dev) );
+		DRM(minor)[i]=unit;
+		DRM_OS_SPININIT(dev->count_lock, "drm device");
+		lockinit(&dev->dev_lock, PZERO, "drmlk", 0, 0);
+		dev->device = nbdev;
+		dev->devnode = make_dev( &DRM(cdevsw),
+				unit,
+				DRM_DEV_UID,
+				DRM_DEV_GID,
+				DRM_DEV_MODE,
+				"dri/card%d", unit );
+		dev->name   = DRIVER_NAME;
+		DRM(mem_init)();
+		DRM(sysctl_init)(dev);
+		TAILQ_INIT(&dev->files);
+
+#if __REALLY_HAVE_AGP
+		dev->agp = DRM(agp_init)();
+#if __MUST_HAVE_AGP
+		if ( dev->agp == NULL ) {
+			DRM_ERROR( "Cannot initialize the agpgart module.\n" );
+			DRM(sysctl_cleanup)( dev );
+			destroy_dev(dev->devnode);
+			DRM(takedown)( dev );
+			DRM_OS_RETURN(ENOMEM);
+		}
+#endif
+#if __REALLY_HAVE_MTRR
+		if (dev->agp)
+			dev->agp->agp_mtrr = mtrr_add( dev->agp->agp_info.aper_base,
+				       dev->agp->agp_info.aper_size*1024*1024,
+				       MTRR_TYPE_WRCOMB,
+				       1 );
+#endif
+#endif
+
+#if __HAVE_CTX_BITMAP
+		retcode = DRM(ctxbitmap_init)( dev );
+		if( retcode ) {
+			DRM_ERROR( "Cannot allocate memory for context bitmap.\n" );
+			DRM(sysctl_cleanup)( dev );
+			destroy_dev(dev->devnode);
+			DRM(takedown)( dev );
+			return retcode;
+		}
+#endif
+		DRM_INFO( "Initialized %s %d.%d.%d %s on minor %d\n",
+		  	DRIVER_NAME,
+		  	DRIVER_MAJOR,
+		  	DRIVER_MINOR,
+		  	DRIVER_PATCHLEVEL,
+		  	DRIVER_DATE,
+		  	DRM(minor)[i] );
+	}
+
+	DRIVER_POSTINIT();
+
+	return 0;
+}
+
+/* drm_cleanup is called via cleanup_module at module unload time.
+ */
+static void DRM(cleanup)(device_t nbdev)
+{
+	drm_device_t *dev;
+	int i;
+
+	DRM_DEBUG( "\n" );
+
+	for (i = DRM(numdevs) - 1; i >= 0; i--) {
+		/* FIXME??? - multihead */
+		dev = device_get_softc(nbdev);
+		DRM(sysctl_cleanup)( dev );
+		destroy_dev(dev->devnode);
+#if __HAVE_CTX_BITMAP
+		DRM(ctxbitmap_cleanup)( dev );
+#endif
+
+#if __REALLY_HAVE_AGP && __REALLY_HAVE_MTRR
+		if ( dev->agp && dev->agp->agp_mtrr >= 0) {
+			int retval;
+			retval = mtrr_del( dev->agp->agp_mtrr,
+				   dev->agp->agp_info.aper_base,
+				   dev->agp->agp_info.aper_size*1024*1024 );
+			DRM_DEBUG( "mtrr_del=%d\n", retval );
+		}
+#endif
+
+		DRM(takedown)( dev );
+
+#if __REALLY_HAVE_AGP
+		if ( dev->agp ) {
+			DRM(agp_uninit)();
+			DRM(free)( dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS );
+			dev->agp = NULL;
+		}
+#endif
+	}
+	DRIVER_POSTCLEANUP();
+	DRM_OS_FREE(DRM(minor));
+	DRM_OS_FREE(DRM(device));
+	DRM(numdevs) = 0;
+}
+
+
+int DRM(version)( DRM_OS_IOCTL )
+{
+	drm_version_t version;
+	int len;
+
+	DRM_OS_KRNFROMUSR( version, (drm_version_t *)data, sizeof(version) );
+
+#define DRM_COPY( name, value )						\
+	len = strlen( value );						\
+	if ( len > name##_len ) len = name##_len;			\
+	name##_len = strlen( value );					\
+	if ( len && name ) {						\
+		if ( DRM_OS_COPYTOUSR( name, value, len ) )		\
+			DRM_OS_RETURN(EFAULT);				\
+	}
+
+	version.version_major = DRIVER_MAJOR;
+	version.version_minor = DRIVER_MINOR;
+	version.version_patchlevel = DRIVER_PATCHLEVEL;
+
+	DRM_COPY( version.name, DRIVER_NAME );
+	DRM_COPY( version.date, DRIVER_DATE );
+	DRM_COPY( version.desc, DRIVER_DESC );
+
+	DRM_OS_KRNTOUSR( (drm_version_t *)data, version, sizeof(version) );
+
+	return 0;
+}
+
+int DRM( open)(dev_t kdev, int flags, int fmt, DRM_OS_STRUCTPROC *p)
+{
+	drm_device_t *dev = NULL;
+	int retcode = 0;
+	int i;
+
+	for (i = 0; i < DRM(numdevs); i++) {
+		/* FIXME ??? - multihead */
+		dev    = DRIVER_SOFTC(minor(kdev));
+	}
+	if (!dev) {
+		DRM_OS_RETURN(ENODEV);
+	}
+
+	DRM_DEBUG( "open_count = %d\n", dev->open_count );
+
+	device_busy(dev->device);
+	retcode = DRM(open_helper)(kdev, flags, fmt, p, dev);
+
+	if ( !retcode ) {
+		atomic_inc( &dev->counts[_DRM_STAT_OPENS] );
+		DRM_OS_SPINLOCK( &dev->count_lock );
+		if ( !dev->open_count++ ) {
+			DRM_OS_SPINUNLOCK( &dev->count_lock );
+			return DRM(setup)( dev );
+		}
+		DRM_OS_SPINUNLOCK( &dev->count_lock );
+	}
+	device_unbusy(dev->device);
+
+	return retcode;
+}
+
+int DRM( close)(dev_t kdev, int flags, int fmt, DRM_OS_STRUCTPROC *p)
+{
+	drm_file_t *priv;
+	drm_device_t  *dev    = kdev->si_drv1;
+	int retcode = 0;
+
+	DRM_DEBUG( "open_count = %d\n", dev->open_count );
+	priv = DRM(find_file_by_proc)(dev, p);
+	if (!priv) {
+		DRM_DEBUG("can't find authenticator\n");
+		return EINVAL;
+	}
+
+	DRIVER_PRERELEASE();
+
+	/* ========================================================
+	 * Begin inline drm_release
+	 */
+
+	DRM_DEBUG( "pid = %d, device = 0x%lx, open_count = %d\n",
+		   DRM_OS_CURRENTPID, (long)dev->device, dev->open_count );
+
+	if (dev->lock.hw_lock && _DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)
+	    && dev->lock.pid == DRM_OS_CURRENTPID) {
+		DRM_DEBUG("Process %d dead, freeing lock for context %d\n",
+			  DRM_OS_CURRENTPID,
+			  _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));
+#if HAVE_DRIVER_RELEASE
+		DRIVER_RELEASE();
+#endif
+		DRM(lock_free)(dev,
+			      &dev->lock.hw_lock->lock,
+			      _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));
+		
+				/* FIXME: may require heavy-handed reset of
+                                   hardware at this point, possibly
+                                   processed via a callback to the X
+                                   server. */
+	}
+#if __HAVE_RELEASE
+	else if ( dev->lock.hw_lock ) {
+		/* The lock is required to reclaim buffers */
+		for (;;) {
+			if ( !dev->lock.hw_lock ) {
+				/* Device has been unregistered */
+				retcode = EINTR;
+				break;
+			}
+			if ( DRM(lock_take)( &dev->lock.hw_lock->lock,
+					     DRM_KERNEL_CONTEXT ) ) {
+				dev->lock.pid       = p->p_pid;
+				dev->lock.lock_time = jiffies;
+                                atomic_inc( &dev->counts[_DRM_STAT_LOCKS] );
+				break;	/* Got lock */
+			}
+				/* Contention */
+#if 0
+			atomic_inc( &dev->total_sleeps );
+#endif
+			retcode = tsleep(&dev->lock.lock_queue,
+					PZERO|PCATCH,
+					"drmlk2",
+					0);
+			if (retcode)
+				break;
+		}
+		if( !retcode ) {
+			DRIVER_RELEASE();
+			DRM(lock_free)( dev, &dev->lock.hw_lock->lock,
+					DRM_KERNEL_CONTEXT );
+		}
+	}
+#elif __HAVE_DMA
+	DRM(reclaim_buffers)( dev, priv->pid );
+#endif
+
+	funsetown(dev->buf_sigio);
+
+	DRM_OS_LOCK;
+	priv = DRM(find_file_by_proc)(dev, p);
+	if (priv) {
+		priv->refs--;
+		if (!priv->refs) {
+			TAILQ_REMOVE(&dev->files, priv, link);
+		}
+	}
+	DRM_OS_UNLOCK;
+
+	DRM(free)( priv, sizeof(*priv), DRM_MEM_FILES );
+
+	/* ========================================================
+	 * End inline drm_release
+	 */
+
+	atomic_inc( &dev->counts[_DRM_STAT_CLOSES] );
+	DRM_OS_SPINLOCK( &dev->count_lock );
+	if ( !--dev->open_count ) {
+		if ( atomic_read( &dev->ioctl_count ) || dev->blocked ) {
+			DRM_ERROR( "Device busy: %ld %d\n",
+				(unsigned long)atomic_read( &dev->ioctl_count ),
+				   dev->blocked );
+			DRM_OS_SPINUNLOCK( &dev->count_lock );
+			DRM_OS_RETURN(EBUSY);
+		}
+		DRM_OS_SPINUNLOCK( &dev->count_lock );
+		device_unbusy(dev->device);
+		return DRM(takedown)( dev );
+	}
+	DRM_OS_SPINUNLOCK( &dev->count_lock );
+
+	
+	DRM_OS_RETURN(retcode);
+}
+
+/* DRM(ioctl) is called whenever a process performs an ioctl on /dev/drm.
+ */
+int DRM(ioctl)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	int retcode = 0;
+	drm_ioctl_desc_t *ioctl;
+	d_ioctl_t *func;
+	int nr = DRM_IOCTL_NR(cmd);
+	DRM_OS_PRIV;
+
+	atomic_inc( &dev->ioctl_count );
+	atomic_inc( &dev->counts[_DRM_STAT_IOCTLS] );
+	++priv->ioctl_count;
+
+	DRM_DEBUG( "pid=%d, cmd=0x%02lx, nr=0x%02x, dev 0x%lx, auth=%d\n",
+		 DRM_OS_CURRENTPID, cmd, nr, (long)dev->device, priv->authenticated );
+
+	switch (cmd) {
+	case FIONBIO:
+		atomic_dec(&dev->ioctl_count);
+		return 0;
+
+	case FIOASYNC:
+		atomic_dec(&dev->ioctl_count);
+		dev->flags |= FASYNC;
+		return 0;
+
+	case FIOSETOWN:
+		atomic_dec(&dev->ioctl_count);
+		return fsetown(*(int *)data, &dev->buf_sigio);
+
+	case FIOGETOWN:
+		atomic_dec(&dev->ioctl_count);
+		*(int *) data = fgetown(dev->buf_sigio);
+		return 0;
+	}
+
+	if ( nr >= DRIVER_IOCTL_COUNT ) {
+		retcode = EINVAL;
+	} else {
+		ioctl = &DRM(ioctls)[nr];
+		func = ioctl->func;
+
+		if ( !func ) {
+			DRM_DEBUG( "no function\n" );
+			retcode = EINVAL;
+		} else if ( ( ioctl->root_only && DRM_OS_CHECKSUSER ) 
+			 || ( ioctl->auth_needed && !priv->authenticated ) ) {
+			retcode = EACCES;
+		} else {
+			retcode = func( kdev, cmd, data, flags, p );
+		}
+	}
+
+	atomic_dec( &dev->ioctl_count );
+	DRM_OS_RETURN(retcode);
+}
+
+int DRM(lock)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+        drm_lock_t lock;
+        int ret = 0;
+#if __HAVE_MULTIPLE_DMA_QUEUES
+	drm_queue_t *q;
+#endif
+#if __HAVE_DMA_HISTOGRAM
+        cycles_t start;
+
+        dev->lck_start = start = get_cycles();
+#endif
+
+	DRM_OS_KRNFROMUSR( lock, (drm_lock_t *)data, sizeof(lock) );
+
+        if ( lock.context == DRM_KERNEL_CONTEXT ) {
+                DRM_ERROR( "Process %d using kernel context %d\n",
+			   DRM_OS_CURRENTPID, lock.context );
+                DRM_OS_RETURN(EINVAL);
+        }
+
+        DRM_DEBUG( "%d (pid %d) requests lock (0x%08x), flags = 0x%08x\n",
+		   lock.context, DRM_OS_CURRENTPID,
+		   dev->lock.hw_lock->lock, lock.flags );
+
+#if __HAVE_DMA_QUEUE
+        if ( lock.context < 0 )
+                DRM_OS_RETURN(EINVAL);
+#elif __HAVE_MULTIPLE_DMA_QUEUES
+        if ( lock.context < 0 || lock.context >= dev->queue_count )
+                DRM_OS_RETURN(EINVAL);
+	q = dev->queuelist[lock.context];
+#endif
+
+#if __HAVE_DMA_FLUSH
+	ret = DRM(flush_block_and_flush)( dev, lock.context, lock.flags );
+#endif
+        if ( !ret ) {
+                for (;;) {
+                        if ( !dev->lock.hw_lock ) {
+                                /* Device has been unregistered */
+                                ret = EINTR;
+                                break;
+                        }
+                        if ( DRM(lock_take)( &dev->lock.hw_lock->lock,
+					     lock.context ) ) {
+                                dev->lock.pid       = DRM_OS_CURRENTPID;
+                                dev->lock.lock_time = jiffies;
+                                atomic_inc( &dev->counts[_DRM_STAT_LOCKS] );
+                                break;  /* Got lock */
+                        }
+
+                                /* Contention */
+			ret = tsleep(&dev->lock.lock_queue,
+					PZERO|PCATCH,
+					"drmlk2",
+					0);
+			if (ret)
+				break;
+                }
+        }
+
+#if __HAVE_DMA_FLUSH
+	DRM(flush_unblock)( dev, lock.context, lock.flags ); /* cleanup phase */
+#endif
+
+        if ( !ret ) {
+
+#if __HAVE_DMA_READY
+                if ( lock.flags & _DRM_LOCK_READY ) {
+			DRIVER_DMA_READY();
+		}
+#endif
+#if __HAVE_DMA_QUIESCENT
+                if ( lock.flags & _DRM_LOCK_QUIESCENT ) {
+			DRIVER_DMA_QUIESCENT();
+		}
+#endif
+#if __HAVE_KERNEL_CTX_SWITCH
+		if ( dev->last_context != lock.context ) {
+			DRM(context_switch)(dev, dev->last_context,
+					    lock.context);
+		}
+#endif
+        }
+
+        DRM_DEBUG( "%d %s\n", lock.context, ret ? "interrupted" : "has lock" );
+
+#if __HAVE_DMA_HISTOGRAM
+        atomic_inc(&dev->histo.lacq[DRM(histogram_slot)(get_cycles()-start)]);
+#endif
+
+	DRM_OS_RETURN(ret);
+}
+
+
+int DRM(unlock)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_lock_t lock;
+
+	DRM_OS_KRNFROMUSR( lock, (drm_lock_t *)data, sizeof(lock) ) ;
+
+	if ( lock.context == DRM_KERNEL_CONTEXT ) {
+		DRM_ERROR( "Process %d using kernel context %d\n",
+			   DRM_OS_CURRENTPID, lock.context );
+		DRM_OS_RETURN(EINVAL);
+	}
+
+	atomic_inc( &dev->counts[_DRM_STAT_UNLOCKS] );
+
+#if __HAVE_KERNEL_CTX_SWITCH
+	/* We no longer really hold it, but if we are the next
+	 * agent to request it then we should just be able to
+	 * take it immediately and not eat the ioctl.
+	 */
+	dev->lock.pid = 0;
+	{
+		__volatile__ unsigned int *plock = &dev->lock.hw_lock->lock;
+		unsigned int old, new, prev, ctx;
+
+		ctx = lock.context;
+		do {
+			old  = *plock;
+			new  = ctx;
+			prev = cmpxchg(plock, old, new);
+		} while (prev != old);
+	}
+	wake_up_interruptible(&dev->lock.lock_queue);
+#else
+	DRM(lock_transfer)( dev, &dev->lock.hw_lock->lock,
+			    DRM_KERNEL_CONTEXT );
+#if __HAVE_DMA_SCHEDULE
+	DRM(dma_schedule)( dev, 1 );
+#endif
+
+	/* FIXME: Do we ever really need to check this???
+	 */
+	if ( 1 /* !dev->context_flag */ ) {
+		if ( DRM(lock_free)( dev, &dev->lock.hw_lock->lock,
+				     DRM_KERNEL_CONTEXT ) ) {
+			DRM_ERROR( "\n" );
+		}
+	}
+#endif /* !__HAVE_KERNEL_CTX_SWITCH */
+
+	return 0;
+}
+
+#if DRM_LINUX
+static linux_ioctl_function_t DRM( linux_ioctl);
+static struct linux_ioctl_handler DRM( handler) = {DRM( linux_ioctl), LINUX_IOCTL_DRM_MIN, LINUX_IOCTL_DRM_MAX};
+SYSINIT  (DRM( register),   SI_SUB_KLD, SI_ORDER_MIDDLE, linux_ioctl_register_handler, &DRM( handler));
+SYSUNINIT(DRM( unregister), SI_SUB_KLD, SI_ORDER_MIDDLE, linux_ioctl_unregister_handler, &DRM( handler));
+
+/*
+ * Linux emulation IOCTL
+ */
+static int
+DRM(linux_ioctl)(DRM_OS_STRUCTPROC *p, struct linux_ioctl_args* args)
+{
+#if (__FreeBSD_version >= 500000)
+    struct file		*fp = p->td_proc->p_fd->fd_ofiles[args->fd];
+#else
+    struct file		*fp = p->p_fd->fd_ofiles[args->fd];
+#endif
+    u_long		cmd = args->cmd;
+    caddr_t             data = (caddr_t) args->arg;
+    /*
+     * Pass the ioctl off to our standard handler.
+     */
+    return(fo_ioctl(fp, cmd, data, p));
+}
+#endif /* DRM_LINUX */
diff --git a/bsd/drm_fops.h b/bsd/drm_fops.h
new file mode 100644
index 00000000..53af39cd
--- /dev/null
+++ b/bsd/drm_fops.h
@@ -0,0 +1,223 @@
+/* drm_fops.h -- File operations for DRM -*- linux-c -*-
+ * Created: Mon Jan  4 08:58:31 1999 by faith@valinux.com
+ *
+ * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Rickard E. (Rik) Faith <faith@valinux.com>
+ *    Daryll Strauss <daryll@valinux.com>
+ *    Gareth Hughes <gareth@valinux.com>
+ */
+
+#define __NO_VERSION__
+#include "drmP.h"
+
+
+#include <sys/signalvar.h>
+#include <sys/poll.h>
+
+drm_file_t *DRM(find_file_by_proc)(drm_device_t *dev, DRM_OS_STRUCTPROC *p)
+{
+#if __FreeBSD_version >= 500021
+	uid_t uid = p->td_proc->p_ucred->cr_svuid;
+	pid_t pid = p->td_proc->p_pid;
+#else
+	uid_t uid = p->p_cred->p_svuid;
+	pid_t pid = p->p_pid;
+#endif
+	drm_file_t *priv;
+
+	TAILQ_FOREACH(priv, &dev->files, link)
+		if (priv->pid == pid && priv->uid == uid)
+			return priv;
+	return NULL;
+}
+
+/* DRM(open) is called whenever a process opens /dev/drm. */
+
+int DRM(open_helper)(dev_t kdev, int flags, int fmt, DRM_OS_STRUCTPROC *p,
+		    drm_device_t *dev)
+{
+	int	     m = minor(kdev);
+	drm_file_t   *priv;
+
+	if (flags & O_EXCL)
+		return EBUSY; /* No exclusive opens */
+	dev->flags = flags;
+	if (!DRM(cpu_valid)())
+		DRM_OS_RETURN(EINVAL);
+
+	DRM_DEBUG("pid = %d, minor = %d\n", DRM_OS_CURRENTPID, m);
+
+	/* FIXME: linux mallocs and bzeros here */
+	priv = (drm_file_t *) DRM(find_file_by_proc)(dev, p);
+	if (priv) {
+		priv->refs++;
+	} else {
+		priv = (drm_file_t *) DRM(alloc)(sizeof(*priv), DRM_MEM_FILES);
+		bzero(priv, sizeof(*priv));
+#if __FreeBSD_version >= 500000
+		priv->uid		= p->td_proc->p_ucred->cr_svuid;
+		priv->pid		= p->td_proc->p_pid;
+#else
+		priv->uid		= p->p_cred->p_svuid;
+		priv->pid		= p->p_pid;
+#endif
+
+		priv->refs		= 1;
+		priv->minor		= m;
+		priv->devXX		= dev;
+		priv->ioctl_count 	= 0;
+		priv->authenticated	= !DRM_OS_CHECKSUSER;
+		lockmgr(&dev->dev_lock, LK_EXCLUSIVE, 0, p);
+		TAILQ_INSERT_TAIL(&dev->files, priv, link);
+		lockmgr(&dev->dev_lock, LK_RELEASE, 0, p);
+	}
+
+	kdev->si_drv1 = dev;
+
+
+	return 0;
+}
+
+
+/* The drm_read and drm_write_string code (especially that which manages
+   the circular buffer), is based on Alessandro Rubini's LINUX DEVICE
+   DRIVERS (Cambridge: O'Reilly, 1998), pages 111-113. */
+
+ssize_t DRM(read)(dev_t kdev, struct uio *uio, int ioflag)
+{
+	DRM_OS_DEVICE;
+	int	      left;
+	int	      avail;
+	int	      send;
+	int	      cur;
+	int           error = 0;
+
+	DRM_DEBUG("%p, %p\n", dev->buf_rp, dev->buf_wp);
+
+	while (dev->buf_rp == dev->buf_wp) {
+		DRM_DEBUG("  sleeping\n");
+		if (dev->flags & FASYNC)
+			return EWOULDBLOCK;
+		error = tsleep(&dev->buf_rp, PZERO|PCATCH, "drmrd", 0);
+		if (error) {
+			DRM_DEBUG("  interrupted\n");
+			return error;
+		}
+		DRM_DEBUG("  awake\n");
+	}
+
+	left  = (dev->buf_rp + DRM_BSZ - dev->buf_wp) % DRM_BSZ;
+	avail = DRM_BSZ - left;
+	send  = DRM_MIN(avail, uio->uio_resid);
+
+	while (send) {
+		if (dev->buf_wp > dev->buf_rp) {
+			cur = DRM_MIN(send, dev->buf_wp - dev->buf_rp);
+		} else {
+			cur = DRM_MIN(send, dev->buf_end - dev->buf_rp);
+		}
+		error = uiomove(dev->buf_rp, cur, uio);
+		if (error)
+			break;
+		dev->buf_rp += cur;
+		if (dev->buf_rp == dev->buf_end) dev->buf_rp = dev->buf;
+		send -= cur;
+	}
+
+	wakeup(&dev->buf_wp);
+	return error;
+}
+
+int DRM(write_string)(drm_device_t *dev, const char *s)
+{
+	int left   = (dev->buf_rp + DRM_BSZ - dev->buf_wp) % DRM_BSZ;
+	int send   = strlen(s);
+	int count;
+
+	DRM_DEBUG("%d left, %d to send (%p, %p)\n",
+		  left, send, dev->buf_rp, dev->buf_wp);
+
+	if (left == 1 || dev->buf_wp != dev->buf_rp) {
+		DRM_ERROR("Buffer not empty (%d left, wp = %p, rp = %p)\n",
+			  left,
+			  dev->buf_wp,
+			  dev->buf_rp);
+	}
+
+	while (send) {
+		if (dev->buf_wp >= dev->buf_rp) {
+			count = DRM_MIN(send, dev->buf_end - dev->buf_wp);
+			if (count == left) --count; /* Leave a hole */
+		} else {
+			count = DRM_MIN(send, dev->buf_rp - dev->buf_wp - 1);
+		}
+		strncpy(dev->buf_wp, s, count);
+		dev->buf_wp += count;
+		if (dev->buf_wp == dev->buf_end) dev->buf_wp = dev->buf;
+		send -= count;
+	}
+
+	if (dev->buf_selecting) {
+		dev->buf_selecting = 0;
+		selwakeup(&dev->buf_sel);
+	}
+		
+	DRM_DEBUG("dev->buf_sigio=%p\n", dev->buf_sigio);
+	if (dev->buf_sigio) {
+		DRM_DEBUG("dev->buf_sigio->sio_pgid=%d\n", dev->buf_sigio->sio_pgid);
+		pgsigio(dev->buf_sigio, SIGIO, 0);
+	}
+	DRM_DEBUG("waking\n");
+	wakeup(&dev->buf_rp);
+
+	return 0;
+}
+
+int DRM(poll)(dev_t kdev, int events, DRM_OS_STRUCTPROC *p)
+{
+	drm_device_t  *dev    = kdev->si_drv1;
+	int           s;
+	int	      revents = 0;
+
+	s = spldrm();
+	if (events & (POLLIN | POLLRDNORM)) {
+		int left  = (dev->buf_rp + DRM_BSZ - dev->buf_wp) % DRM_BSZ;
+		if (left > 0)
+			revents |= events & (POLLIN | POLLRDNORM);
+		else
+			selrecord(p, &dev->buf_sel);
+	}
+	splx(s);
+
+	return revents;
+}
+
+int DRM(write)(dev_t kdev, struct uio *uio, int ioflag)
+{
+        DRM_DEBUG("pid = %d, device = %p, open_count = %d\n",
+                  curproc->p_pid, ((drm_device_t *)kdev->si_drv1)->device, ((drm_device_t *)kdev->si_drv1)->open_count);
+        return 0;
+}
diff --git a/bsd/drm_init.h b/bsd/drm_init.h
new file mode 100644
index 00000000..e2ab6080
--- /dev/null
+++ b/bsd/drm_init.h
@@ -0,0 +1,110 @@
+/* drm_init.h -- Setup/Cleanup for DRM -*- linux-c -*-
+ * Created: Mon Jan  4 08:58:31 1999 by faith@valinux.com
+ *
+ * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Rickard E. (Rik) Faith <faith@valinux.com>
+ *    Gareth Hughes <gareth@valinux.com>
+ */
+
+#define __NO_VERSION__
+#include "drmP.h"
+
+#if 0 && DRM_DEBUG_CODE
+int DRM(flags) = DRM_FLAG_DEBUG;
+#else
+int DRM(flags) = 0;
+#endif
+
+/* drm_parse_option parses a single option.  See description for
+ * drm_parse_options for details.
+ */
+static void DRM(parse_option)(char *s)
+{
+	char *c, *r;
+
+	DRM_DEBUG("\"%s\"\n", s);
+	if (!s || !*s) return;
+	for (c = s; *c && *c != ':'; c++); /* find : or \0 */
+	if (*c) r = c + 1; else r = NULL;  /* remember remainder */
+	*c = '\0';			   /* terminate */
+	if (!strcmp(s, "noctx")) {
+		DRM(flags) |= DRM_FLAG_NOCTX;
+		DRM_INFO("Server-mediated context switching OFF\n");
+		return;
+	}
+	if (!strcmp(s, "debug")) {
+		DRM(flags) |= DRM_FLAG_DEBUG;
+		DRM_INFO("Debug messages ON\n");
+		return;
+	}
+	DRM_ERROR("\"%s\" is not a valid option\n", s);
+	return;
+}
+
+/* drm_parse_options parse the insmod "drm_opts=" options, or the command-line
+ * options passed to the kernel via LILO.  The grammar of the format is as
+ * follows:
+ *
+ * drm		::= 'drm_opts=' option_list
+ * option_list	::= option [ ';' option_list ]
+ * option	::= 'device:' major
+ *		|   'debug'
+ *		|   'noctx'
+ * major	::= INTEGER
+ *
+ * Note that 's' contains option_list without the 'drm_opts=' part.
+ *
+ * device=major,minor specifies the device number used for /dev/drm
+ *	  if major == 0 then the misc device is used
+ *	  if major == 0 and minor == 0 then dynamic misc allocation is used
+ * debug=on specifies that debugging messages will be printk'd
+ * debug=trace specifies that each function call will be logged via printk
+ * debug=off turns off all debugging options
+ *
+ */
+
+void DRM(parse_options)(char *s)
+{
+	char *h, *t, *n;
+
+	DRM_DEBUG("\"%s\"\n", s ?: "");
+	if (!s || !*s) return;
+
+	for (h = t = n = s; h && *h; h = n) {
+		for (; *t && *t != ';'; t++);	       /* find ; or \0 */
+		if (*t) n = t + 1; else n = NULL;      /* remember next */
+		*t = '\0';			       /* terminate */
+		DRM(parse_option)(h);		       /* parse */
+	}
+}
+
+/* drm_cpu_valid returns non-zero if the DRI will run on this CPU, and 0
+ * otherwise.
+ */
+int DRM(cpu_valid)(void)
+{
+	return 1;
+}
diff --git a/bsd/drm_ioctl.h b/bsd/drm_ioctl.h
new file mode 100644
index 00000000..1e8281e6
--- /dev/null
+++ b/bsd/drm_ioctl.h
@@ -0,0 +1,237 @@
+/* drm_ioctl.h -- IOCTL processing for DRM -*- linux-c -*-
+ * Created: Fri Jan  8 09:01:26 1999 by faith@valinux.com
+ *
+ * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Rickard E. (Rik) Faith <faith@valinux.com>
+ *    Gareth Hughes <gareth@valinux.com>
+ */
+
+#define __NO_VERSION__
+#include "drmP.h"
+#include <sys/bus.h>
+#include <pci/pcivar.h>
+
+int DRM(irq_busid)( DRM_OS_IOCTL )
+{
+	drm_irq_busid_t id;
+	devclass_t pci;
+	device_t bus, dev;
+	device_t *kids;
+	int error, i, num_kids;
+
+	DRM_OS_KRNFROMUSR( id, (drm_irq_busid_t *)data, sizeof(id) );
+
+	pci = devclass_find("pci");
+	if (!pci)
+		return ENOENT;
+	bus = devclass_get_device(pci, id.busnum);
+	if (!bus)
+		return ENOENT;
+	error = device_get_children(bus, &kids, &num_kids);
+	if (error)
+		return error;
+
+	dev = 0;
+	for (i = 0; i < num_kids; i++) {
+		dev = kids[i];
+		if (pci_get_slot(dev) == id.devnum
+		    && pci_get_function(dev) == id.funcnum)
+			break;
+	}
+
+	free(kids, M_TEMP);
+
+	if (i != num_kids)
+		id.irq = pci_get_irq(dev);
+	else
+		id.irq = 0;
+	DRM_DEBUG("%d:%d:%d => IRQ %d\n",
+		  id.busnum, id.devnum, id.funcnum, id.irq);
+	
+	DRM_OS_KRNTOUSR( (drm_irq_busid_t *)data, id, sizeof(id) );
+
+	return 0;
+}
+
+int DRM(getunique)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_unique_t	 u;
+
+	DRM_OS_KRNFROMUSR( u, (drm_unique_t *)data, sizeof(u) );
+
+	if (u.unique_len >= dev->unique_len) {
+		if (DRM_OS_COPYTOUSR(u.unique, dev->unique, dev->unique_len))
+			DRM_OS_RETURN(EFAULT);
+	}
+	u.unique_len = dev->unique_len;
+
+	DRM_OS_KRNTOUSR( (drm_unique_t *)data, u, sizeof(u) );
+
+	return 0;
+}
+
+int DRM(setunique)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_unique_t	 u;
+
+	if (dev->unique_len || dev->unique)
+		DRM_OS_RETURN(EBUSY);
+
+	DRM_OS_KRNFROMUSR( u, (drm_unique_t *)data, sizeof(u) );
+
+	if (!u.unique_len || u.unique_len > 1024)
+		DRM_OS_RETURN(EINVAL);
+
+	dev->unique_len = u.unique_len;
+	dev->unique	= DRM(alloc)(u.unique_len + 1, DRM_MEM_DRIVER);
+
+	if(!dev->unique) DRM_OS_RETURN(ENOMEM);
+
+	if (DRM_OS_COPYFROMUSR(dev->unique, u.unique, dev->unique_len))
+		DRM_OS_RETURN(EFAULT);
+
+	dev->unique[dev->unique_len] = '\0';
+
+	dev->devname = DRM(alloc)(strlen(dev->name) + strlen(dev->unique) + 2,
+				  DRM_MEM_DRIVER);
+	if(!dev->devname) {
+		DRM(free)(dev->devname, sizeof(*dev->devname), DRM_MEM_DRIVER);
+		DRM_OS_RETURN(ENOMEM);
+	}
+	sprintf(dev->devname, "%s@%s", dev->name, dev->unique);
+
+
+	return 0;
+}
+
+
+int DRM(getmap)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_map_t    map;
+	drm_map_t    *mapinlist;
+	drm_map_list_entry_t *list;
+	int          idx;
+	int	     i = 0;
+
+	DRM_OS_KRNFROMUSR( map, (drm_map_t *)data, sizeof(map) );
+
+	idx = map.offset;
+
+	DRM_OS_LOCK;
+	if (idx < 0 || idx >= dev->map_count) {
+		DRM_OS_UNLOCK;
+		DRM_OS_RETURN(EINVAL);
+	}
+
+	TAILQ_FOREACH(list, dev->maplist, link) {
+		mapinlist = list->map;
+		if (i==idx) {
+			map.offset = mapinlist->offset;
+			map.size   = mapinlist->size;
+			map.type   = mapinlist->type;
+			map.flags  = mapinlist->flags;
+			map.handle = mapinlist->handle;
+			map.mtrr   = mapinlist->mtrr;
+			break;
+		}
+		i++;
+	}
+
+	DRM_OS_UNLOCK;
+
+ 	if (!list)
+		return EINVAL;
+
+	DRM_OS_KRNTOUSR( (drm_map_t *)data, map, sizeof(map) );
+
+	return 0;
+}
+
+int DRM(getclient)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_client_t client;
+	drm_file_t   *pt;
+	int          idx;
+	int          i = 0;
+
+	DRM_OS_KRNFROMUSR( client, (drm_client_t *)data, sizeof(client) );
+
+	idx = client.idx;
+	DRM_OS_LOCK;
+	TAILQ_FOREACH(pt, &dev->files, link) {
+		if (i==idx)
+		{
+			client.auth  = pt->authenticated;
+			client.pid   = pt->pid;
+			client.uid   = pt->uid;
+			client.magic = pt->magic;
+			client.iocs  = pt->ioctl_count;
+			DRM_OS_UNLOCK;
+
+			*(drm_client_t *)data = client;
+			return 0;
+		}
+		i++;
+	}
+	DRM_OS_UNLOCK;
+
+	DRM_OS_KRNTOUSR( (drm_client_t *)data, client, sizeof(client) );
+
+	return 0;
+}
+
+int DRM(getstats)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	drm_stats_t  stats;
+	int          i;
+
+	memset(&stats, 0, sizeof(stats));
+	
+	DRM_OS_LOCK;
+
+	for (i = 0; i < dev->counters; i++) {
+		if (dev->types[i] == _DRM_STAT_LOCK)
+			stats.data[i].value
+				= (dev->lock.hw_lock
+				   ? dev->lock.hw_lock->lock : 0);
+		else 
+			stats.data[i].value = atomic_read(&dev->counts[i]);
+		stats.data[i].type  = dev->types[i];
+	}
+	
+	stats.count = dev->counters;
+
+	DRM_OS_UNLOCK;
+
+	DRM_OS_KRNTOUSR( (drm_stats_t *)data, stats, sizeof(stats) );
+
+	return 0;
+}
diff --git a/bsd/drm_lists.h b/bsd/drm_lists.h
new file mode 100644
index 00000000..ea6d34a7
--- /dev/null
+++ b/bsd/drm_lists.h
@@ -0,0 +1,236 @@
+/* drm_lists.h -- Buffer list handling routines -*- linux-c -*-
+ * Created: Mon Apr 19 20:54:22 1999 by faith@valinux.com
+ *
+ * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Rickard E. (Rik) Faith <faith@valinux.com>
+ *    Gareth Hughes <gareth@valinux.com>
+ */
+
+#define __NO_VERSION__
+#include "drmP.h"
+
+#if __HAVE_DMA_WAITLIST
+
+int DRM(waitlist_create)(drm_waitlist_t *bl, int count)
+{
+	if (bl->count)
+		DRM_OS_RETURN( EINVAL );
+
+	bl->bufs       = DRM(alloc)((bl->count + 2) * sizeof(*bl->bufs),
+				    DRM_MEM_BUFLISTS);
+
+	if(!bl->bufs) DRM_OS_RETURN(ENOMEM);
+
+	bl->count      = count;
+	bl->rp	       = bl->bufs;
+	bl->wp	       = bl->bufs;
+	bl->end	       = &bl->bufs[bl->count+1];
+	DRM_OS_SPININIT( bl->write_lock, "writelock" );
+	DRM_OS_SPININIT( bl->read_lock, "readlock" );
+	return 0;
+}
+
+int DRM(waitlist_destroy)(drm_waitlist_t *bl)
+{
+	if (bl->rp != bl->wp)
+		DRM_OS_RETURN( EINVAL );
+	if (bl->bufs) DRM(free)(bl->bufs,
+				(bl->count + 2) * sizeof(*bl->bufs),
+				DRM_MEM_BUFLISTS);
+	bl->count = 0;
+	bl->bufs  = NULL;
+	bl->rp	  = NULL;
+	bl->wp	  = NULL;
+	bl->end	  = NULL;
+	return 0;
+}
+
+int DRM(waitlist_put)(drm_waitlist_t *bl, drm_buf_t *buf)
+{
+	int	      left;
+	int		s;
+	left = DRM_LEFTCOUNT(bl);
+	if (!left) {
+		DRM_ERROR("Overflow while adding buffer %d from pid %d\n",
+			  buf->idx, buf->pid);
+		DRM_OS_RETURN( EINVAL );
+	}
+#if __HAVE_DMA_HISTOGRAM
+	getnanotime(&buf->time_queued);
+#endif
+	buf->list	 = DRM_LIST_WAIT;
+
+	DRM_OS_SPINLOCK(&bl->write_lock);
+	s = spldrm();
+	*bl->wp = buf;
+	if (++bl->wp >= bl->end) bl->wp = bl->bufs;
+	splx(s);
+	DRM_OS_SPINUNLOCK(&bl->write_lock);
+
+	return 0;
+}
+
+drm_buf_t *DRM(waitlist_get)(drm_waitlist_t *bl)
+{
+	drm_buf_t     *buf;
+	int		s;
+
+	DRM_OS_SPINLOCK(&bl->read_lock);
+	s = spldrm();
+	buf = *bl->rp;
+	if (bl->rp == bl->wp) {
+		splx(s);
+		DRM_OS_SPINUNLOCK(&bl->read_lock);
+		return NULL;
+	}				     
+	if (++bl->rp >= bl->end) bl->rp = bl->bufs;
+	splx(s);
+	DRM_OS_SPINUNLOCK(&bl->read_lock);
+	
+	return buf;
+}
+
+#endif /* __HAVE_DMA_WAITLIST */
+
+
+#if __HAVE_DMA_FREELIST
+
+int DRM(freelist_create)(drm_freelist_t *bl, int count)
+{
+	atomic_set(&bl->count, 0);
+	bl->next      = NULL;
+	bl->waiting = 0;
+
+	bl->low_mark  = 0;
+	bl->high_mark = 0;
+	atomic_set(&bl->wfh,   0);
+	DRM_OS_SPININIT( bl->lock, "freelistlock" );
+	++bl->initialized;
+	return 0;
+}
+
+int DRM(freelist_destroy)(drm_freelist_t *bl)
+{
+	atomic_set(&bl->count, 0);
+	bl->next = NULL;
+	return 0;
+}
+
+int DRM(freelist_put)(drm_device_t *dev, drm_freelist_t *bl, drm_buf_t *buf)
+{
+	drm_device_dma_t *dma  = dev->dma;
+
+	if (!dma) {
+		DRM_ERROR("No DMA support\n");
+		return 1;
+	}
+
+	if (buf->waiting || buf->pending || buf->list == DRM_LIST_FREE) {
+		DRM_ERROR("Freed buffer %d: w%d, p%d, l%d\n",
+			  buf->idx, buf->waiting, buf->pending, buf->list);
+	}
+	if (!bl) return 1;
+#if __HAVE_DMA_HISTOGRAM
+	getnanotime(&buf->time_queued);
+	DRM(histogram_compute)(dev, buf);
+#endif
+	buf->list	= DRM_LIST_FREE;
+
+	DRM_OS_SPINLOCK( &bl->lock );
+	buf->next	= bl->next;
+	bl->next	= buf;
+	DRM_OS_SPINUNLOCK( &bl->lock );
+
+	atomic_inc(&bl->count);
+	if (atomic_read(&bl->count) > dma->buf_count) {
+		DRM_ERROR("%ld of %d buffers free after addition of %d\n",
+			  (unsigned long)atomic_read(&bl->count), 
+				dma->buf_count, buf->idx);
+		return 1;
+	}
+				/* Check for high water mark */
+	if (atomic_read(&bl->wfh) && atomic_read(&bl->count)>=bl->high_mark) {
+		atomic_set(&bl->wfh, 0);
+		DRM_OS_WAKEUP_INT(&bl->waiting);
+	}
+	return 0;
+}
+
+static drm_buf_t *DRM(freelist_try)(drm_freelist_t *bl)
+{
+	drm_buf_t	  *buf;
+
+	if (!bl) return NULL;
+
+				/* Get buffer */
+	DRM_OS_SPINLOCK(&bl->lock);
+	if (!bl->next) {
+		DRM_OS_SPINUNLOCK(&bl->lock);
+		return NULL;
+	}
+	buf	  = bl->next;
+	bl->next  = bl->next->next;
+	DRM_OS_SPINUNLOCK(&bl->lock);
+
+	atomic_dec(&bl->count);
+	buf->next = NULL;
+	buf->list = DRM_LIST_NONE;
+	if (buf->waiting || buf->pending) {
+		DRM_ERROR("Free buffer %d: w%d, p%d, l%d\n",
+			  buf->idx, buf->waiting, buf->pending, buf->list);
+	}
+
+	return buf;
+}
+
+drm_buf_t *DRM(freelist_get)(drm_freelist_t *bl, int block)
+{
+	drm_buf_t	  *buf	= NULL;
+	int	error;
+
+	if (!bl || !bl->initialized) return NULL;
+
+				/* Check for low water mark */
+	if (atomic_read(&bl->count) <= bl->low_mark) /* Became low */
+		atomic_set(&bl->wfh, 1);
+	if (atomic_read(&bl->wfh)) {
+		if (block) {
+			for (;;) {
+				if (!atomic_read(&bl->wfh)
+				    && (buf = DRM(freelist_try(bl)))) break;
+				error = tsleep(&bl->waiting, PZERO|PCATCH,
+					       "drmfg", 0);
+				if (error)
+					break;
+			}
+		}
+		return buf;
+	}
+
+	return DRM(freelist_try)(bl);
+}
+
+#endif /* __HAVE_DMA_FREELIST */
diff --git a/bsd/drm_lock.h b/bsd/drm_lock.h
new file mode 100644
index 00000000..863a228c
--- /dev/null
+++ b/bsd/drm_lock.h
@@ -0,0 +1,244 @@
+/* lock.c -- IOCTLs for locking -*- linux-c -*-
+ * Created: Tue Feb  2 08:37:54 1999 by faith@valinux.com
+ *
+ * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Rickard E. (Rik) Faith <faith@valinux.com>
+ *    Gareth Hughes <gareth@valinux.com>
+ */
+
+#define __NO_VERSION__
+#include "drmP.h"
+
+int DRM(block)( DRM_OS_IOCTL )
+{
+	DRM_DEBUG("\n");
+	return 0;
+}
+
+int DRM(unblock)( DRM_OS_IOCTL )
+{
+	DRM_DEBUG("\n");
+	return 0;
+}
+
+int DRM(lock_take)(__volatile__ unsigned int *lock, unsigned int context)
+{
+	unsigned int old, new;
+
+	char failed;
+
+	do {
+		old = *lock;
+		if (old & _DRM_LOCK_HELD) new = old | _DRM_LOCK_CONT;
+		else			  new = context | _DRM_LOCK_HELD;
+		_DRM_CAS(lock, old, new, failed);
+	} while (failed);
+	if (_DRM_LOCKING_CONTEXT(old) == context) {
+		if (old & _DRM_LOCK_HELD) {
+			if (context != DRM_KERNEL_CONTEXT) {
+				DRM_ERROR("%d holds heavyweight lock\n",
+					  context);
+			}
+			return 0;
+		}
+	}
+	if (new == (context | _DRM_LOCK_HELD)) {
+				/* Have lock */
+		return 1;
+	}
+	return 0;
+}
+
+/* This takes a lock forcibly and hands it to context.	Should ONLY be used
+   inside *_unlock to give lock to kernel before calling *_dma_schedule. */
+int DRM(lock_transfer)(drm_device_t *dev,
+		       __volatile__ unsigned int *lock, unsigned int context)
+{
+	unsigned int old, new;
+	char failed;
+
+	dev->lock.pid = 0;
+	do {
+		old  = *lock;
+		new  = context | _DRM_LOCK_HELD;
+		_DRM_CAS(lock, old, new, failed);
+	} while (failed);
+	return 1;
+}
+
+int DRM(lock_free)(drm_device_t *dev,
+		   __volatile__ unsigned int *lock, unsigned int context)
+{
+	unsigned int old, new;
+	pid_t        pid = dev->lock.pid;
+	char failed;
+
+	dev->lock.pid = 0;
+	do {
+		old  = *lock;
+		new  = 0;
+		_DRM_CAS(lock, old, new, failed);
+	} while (failed);
+	if (_DRM_LOCK_IS_HELD(old) && _DRM_LOCKING_CONTEXT(old) != context) {
+		DRM_ERROR("%d freed heavyweight lock held by %d (pid %d)\n",
+			  context,
+			  _DRM_LOCKING_CONTEXT(old),
+			  pid);
+		return 1;
+	}
+	DRM_OS_WAKEUP_INT(&dev->lock.lock_queue);
+	return 0;
+}
+
+static int DRM(flush_queue)(drm_device_t *dev, int context)
+{
+	int               error;
+	int		  ret	= 0;
+	drm_queue_t	  *q	= dev->queuelist[context];
+
+	DRM_DEBUG("\n");
+
+	atomic_inc(&q->use_count);
+	if (atomic_read(&q->use_count) > 1) {
+		atomic_inc(&q->block_write);
+		atomic_inc(&q->block_count);
+		error = tsleep(&q->flush_queue, PZERO|PCATCH, "drmfq", 0);
+		if (error)
+			return error;
+		atomic_dec(&q->block_count);
+	}
+	atomic_dec(&q->use_count);
+
+				/* NOTE: block_write is still incremented!
+				   Use drm_flush_unlock_queue to decrement. */
+	return ret;
+}
+
+static int DRM(flush_unblock_queue)(drm_device_t *dev, int context)
+{
+	drm_queue_t	  *q	= dev->queuelist[context];
+
+	DRM_DEBUG("\n");
+
+	atomic_inc(&q->use_count);
+	if (atomic_read(&q->use_count) > 1) {
+		if (atomic_read(&q->block_write)) {
+			atomic_dec(&q->block_write);
+			DRM_OS_WAKEUP_INT(&q->write_queue);
+		}
+	}
+	atomic_dec(&q->use_count);
+	return 0;
+}
+
+int DRM(flush_block_and_flush)(drm_device_t *dev, int context,
+			       drm_lock_flags_t flags)
+{
+	int ret = 0;
+	int i;
+
+	DRM_DEBUG("\n");
+
+	if (flags & _DRM_LOCK_FLUSH) {
+		ret = DRM(flush_queue)(dev, DRM_KERNEL_CONTEXT);
+		if (!ret) ret = DRM(flush_queue)(dev, context);
+	}
+	if (flags & _DRM_LOCK_FLUSH_ALL) {
+		for (i = 0; !ret && i < dev->queue_count; i++) {
+			ret = DRM(flush_queue)(dev, i);
+		}
+	}
+	return ret;
+}
+
+int DRM(flush_unblock)(drm_device_t *dev, int context, drm_lock_flags_t flags)
+{
+	int ret = 0;
+	int i;
+
+	DRM_DEBUG("\n");
+
+	if (flags & _DRM_LOCK_FLUSH) {
+		ret = DRM(flush_unblock_queue)(dev, DRM_KERNEL_CONTEXT);
+		if (!ret) ret = DRM(flush_unblock_queue)(dev, context);
+	}
+	if (flags & _DRM_LOCK_FLUSH_ALL) {
+		for (i = 0; !ret && i < dev->queue_count; i++) {
+			ret = DRM(flush_unblock_queue)(dev, i);
+		}
+	}
+
+	return ret;
+}
+
+int DRM(finish)( DRM_OS_IOCTL )
+{
+	DRM_OS_DEVICE;
+	int		  ret	  = 0;
+	drm_lock_t	  lock;
+
+	DRM_DEBUG("\n");
+
+	DRM_OS_KRNFROMUSR( lock, (drm_lock_t *)data, sizeof(lock) );
+
+	ret = DRM(flush_block_and_flush)(dev, lock.context, lock.flags);
+	DRM(flush_unblock)(dev, lock.context, lock.flags);
+	return ret;
+}
+
+/* If we get here, it means that the process has called DRM_IOCTL_LOCK
+   without calling DRM_IOCTL_UNLOCK.
+
+   If the lock is not held, then let the signal proceed as usual.
+
+   If the lock is held, then set the contended flag and keep the signal
+   blocked.
+
+
+   Return 1 if the signal should be delivered normally.
+   Return 0 if the signal should be blocked.  */
+
+int DRM(notifier)(void *priv)
+{
+	drm_sigdata_t *s = (drm_sigdata_t *)priv;
+	unsigned int  old, new;
+	char failed;
+
+
+				/* Allow signal delivery if lock isn't held */
+	if (!_DRM_LOCK_IS_HELD(s->lock->lock)
+	    || _DRM_LOCKING_CONTEXT(s->lock->lock) != s->context) return 1;
+
+				/* Otherwise, set flag to force call to
+                                   drmUnlock */
+	do {
+		old  = s->lock->lock;
+		new  = old | _DRM_LOCK_CONT;
+		_DRM_CAS(&s->lock->lock, old, new, failed);
+	} while (failed);
+	return 0;
+}
+
diff --git a/bsd/drm_memory.h b/bsd/drm_memory.h
new file mode 100644
index 00000000..605b42ae
--- /dev/null
+++ b/bsd/drm_memory.h
@@ -0,0 +1,433 @@
+/* drm_memory.h -- Memory management wrappers for DRM -*- linux-c -*-
+ * Created: Thu Feb  4 14:00:34 1999 by faith@valinux.com
+ *
+ * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Rickard E. (Rik) Faith <faith@valinux.com>
+ *    Gareth Hughes <gareth@valinux.com>
+ */
+
+#define __NO_VERSION__
+#include "drmP.h"
+#include <vm/vm.h>
+#include <vm/pmap.h>
+#if __REALLY_HAVE_AGP
+#include <sys/agpio.h>
+#endif
+
+#define malloctype DRM(M_DRM)
+/* The macros confliced in the MALLOC_DEFINE */
+
+MALLOC_DEFINE(malloctype, "drm", "DRM Data Structures");
+
+#undef malloctype
+
+typedef struct drm_mem_stats {
+	const char	  *name;
+	int		  succeed_count;
+	int		  free_count;
+	int		  fail_count;
+	unsigned long	  bytes_allocated;
+	unsigned long	  bytes_freed;
+} drm_mem_stats_t;
+
+static DRM_OS_SPINTYPE	  DRM(mem_lock);
+static unsigned long	  DRM(ram_available) = 0; /* In pages */
+static unsigned long	  DRM(ram_used)      = 0;
+static drm_mem_stats_t	  DRM(mem_stats)[]   = {
+	[DRM_MEM_DMA]	    = { "dmabufs"  },
+	[DRM_MEM_SAREA]	    = { "sareas"   },
+	[DRM_MEM_DRIVER]    = { "driver"   },
+	[DRM_MEM_MAGIC]	    = { "magic"	   },
+	[DRM_MEM_IOCTLS]    = { "ioctltab" },
+	[DRM_MEM_MAPS]	    = { "maplist"  },
+	[DRM_MEM_VMAS]	    = { "vmalist"  },
+	[DRM_MEM_BUFS]	    = { "buflist"  },
+	[DRM_MEM_SEGS]	    = { "seglist"  },
+	[DRM_MEM_PAGES]	    = { "pagelist" },
+	[DRM_MEM_FILES]	    = { "files"	   },
+	[DRM_MEM_QUEUES]    = { "queues"   },
+	[DRM_MEM_CMDS]	    = { "commands" },
+	[DRM_MEM_MAPPINGS]  = { "mappings" },
+	[DRM_MEM_BUFLISTS]  = { "buflists" },
+	[DRM_MEM_AGPLISTS]  = { "agplist"  },
+	[DRM_MEM_SGLISTS]   = { "sglist"   },
+	[DRM_MEM_TOTALAGP]  = { "totalagp" },
+	[DRM_MEM_BOUNDAGP]  = { "boundagp" },
+	[DRM_MEM_CTXBITMAP] = { "ctxbitmap"},
+	[DRM_MEM_STUB]      = { "stub"     },
+	{ NULL, 0, }		/* Last entry must be null */
+};
+
+void DRM(mem_init)(void)
+{
+	drm_mem_stats_t *mem;
+
+	DRM_OS_SPININIT(DRM(mem_lock), "drm memory");
+
+	for (mem = DRM(mem_stats); mem->name; ++mem) {
+		mem->succeed_count   = 0;
+		mem->free_count	     = 0;
+		mem->fail_count	     = 0;
+		mem->bytes_allocated = 0;
+		mem->bytes_freed     = 0;
+	}
+
+	DRM(ram_available) = 0; /* si.totalram */
+	DRM(ram_used)	   = 0;
+}
+
+/* drm_mem_info is called whenever a process reads /dev/drm/mem. */
+
+static int DRM(_mem_info) DRM_SYSCTL_HANDLER_ARGS
+{
+	drm_mem_stats_t *pt;
+	char buf[128];
+	int error;
+
+	DRM_SYSCTL_PRINT("		  total counts			"
+		       " |    outstanding  \n");
+	DRM_SYSCTL_PRINT("type	   alloc freed fail	bytes	   freed"
+		       " | allocs      bytes\n\n");
+	DRM_SYSCTL_PRINT("%-9.9s %5d %5d %4d %10lu	    |\n",
+		       "system", 0, 0, 0, DRM(ram_available));
+	DRM_SYSCTL_PRINT("%-9.9s %5d %5d %4d %10lu	    |\n",
+		       "locked", 0, 0, 0, DRM(ram_used));
+	DRM_SYSCTL_PRINT("\n");
+	for (pt = DRM(mem_stats); pt->name; pt++) {
+		DRM_SYSCTL_PRINT("%-9.9s %5d %5d %4d %10lu %10lu | %6d %10ld\n",
+			       pt->name,
+			       pt->succeed_count,
+			       pt->free_count,
+			       pt->fail_count,
+			       pt->bytes_allocated,
+			       pt->bytes_freed,
+			       pt->succeed_count - pt->free_count,
+			       (long)pt->bytes_allocated
+			       - (long)pt->bytes_freed);
+	}
+	SYSCTL_OUT(req, "", 1);
+	
+	return 0;
+}
+
+int DRM(mem_info) DRM_SYSCTL_HANDLER_ARGS
+{
+	int ret;
+
+	DRM_OS_SPINLOCK(&DRM(mem_lock));
+	ret = DRM(_mem_info)(oidp, arg1, arg2, req);
+	DRM_OS_SPINUNLOCK(&DRM(mem_lock));
+	return ret;
+}
+
+void *DRM(alloc)(size_t size, int area)
+{
+	void *pt;
+
+	if (!size) {
+		DRM_MEM_ERROR(area, "Allocating 0 bytes\n");
+		return NULL;
+	}
+
+	if (!(pt = malloc(size, DRM(M_DRM), M_NOWAIT))) {
+		DRM_OS_SPINLOCK(&DRM(mem_lock));
+		++DRM(mem_stats)[area].fail_count;
+		DRM_OS_SPINUNLOCK(&DRM(mem_lock));
+		return NULL;
+	}
+	DRM_OS_SPINLOCK(&DRM(mem_lock));
+	++DRM(mem_stats)[area].succeed_count;
+	DRM(mem_stats)[area].bytes_allocated += size;
+	DRM_OS_SPINUNLOCK(&DRM(mem_lock));
+	return pt;
+}
+
+void *DRM(realloc)(void *oldpt, size_t oldsize, size_t size, int area)
+{
+	void *pt;
+
+	if (!(pt = DRM(alloc)(size, area))) return NULL;
+	if (oldpt && oldsize) {
+		memcpy(pt, oldpt, oldsize);
+		DRM(free)(oldpt, oldsize, area);
+	}
+	return pt;
+}
+
+char *DRM(strdup)(const char *s, int area)
+{
+	char *pt;
+	int	 length = s ? strlen(s) : 0;
+
+	if (!(pt = DRM(alloc)(length+1, area))) return NULL;
+	strcpy(pt, s);
+	return pt;
+}
+
+void DRM(strfree)(char *s, int area)
+{
+	unsigned int size;
+
+	if (!s) return;
+
+	size = 1 + strlen(s);
+	DRM(free)((void *)s, size, area);
+}
+
+void DRM(free)(void *pt, size_t size, int area)
+{
+	int alloc_count;
+	int free_count;
+
+	if (!pt) DRM_MEM_ERROR(area, "Attempt to free NULL pointer\n");
+	else     free(pt, DRM(M_DRM));
+	DRM_OS_SPINLOCK(&DRM(mem_lock));
+	DRM(mem_stats)[area].bytes_freed += size;
+	free_count  = ++DRM(mem_stats)[area].free_count;
+	alloc_count =	DRM(mem_stats)[area].succeed_count;
+	DRM_OS_SPINUNLOCK(&DRM(mem_lock));
+	if (free_count > alloc_count) {
+		DRM_MEM_ERROR(area, "Excess frees: %d frees, %d allocs\n",
+			      free_count, alloc_count);
+	}
+}
+
+unsigned long DRM(alloc_pages)(int order, int area)
+{
+	vm_offset_t address;
+	unsigned long bytes	  = PAGE_SIZE << order;
+
+
+	address = (vm_offset_t) contigmalloc(bytes, DRM(M_DRM), M_WAITOK, 0, ~0, 1, 0);
+	if (!address) {
+		DRM_OS_SPINLOCK(&DRM(mem_lock));
+		++DRM(mem_stats)[area].fail_count;
+		DRM_OS_SPINUNLOCK(&DRM(mem_lock));
+		return 0;
+	}
+	DRM_OS_SPINLOCK(&DRM(mem_lock));
+	++DRM(mem_stats)[area].succeed_count;
+	DRM(mem_stats)[area].bytes_allocated += bytes;
+	DRM(ram_used)		             += bytes;
+	DRM_OS_SPINUNLOCK(&DRM(mem_lock));
+
+
+				/* Zero outside the lock */
+	memset((void *)address, 0, bytes);
+
+
+	return address;
+}
+
+void DRM(free_pages)(unsigned long address, int order, int area)
+{
+	unsigned long bytes = PAGE_SIZE << order;
+	int		  alloc_count;
+	int		  free_count;
+
+	if (!address) {
+		DRM_MEM_ERROR(area, "Attempt to free address 0\n");
+	} else {
+		contigfree((void *) address, bytes, DRM(M_DRM));
+	}
+
+	DRM_OS_SPINLOCK(&DRM(mem_lock));
+	free_count  = ++DRM(mem_stats)[area].free_count;
+	alloc_count =	DRM(mem_stats)[area].succeed_count;
+	DRM(mem_stats)[area].bytes_freed += bytes;
+	DRM(ram_used)			 -= bytes;
+	DRM_OS_SPINUNLOCK(&DRM(mem_lock));
+	if (free_count > alloc_count) {
+		DRM_MEM_ERROR(area,
+			      "Excess frees: %d frees, %d allocs\n",
+			      free_count, alloc_count);
+	}
+}
+
+void *DRM(ioremap)(unsigned long offset, unsigned long size)
+{
+	void *pt;
+
+	if (!size) {
+		DRM_MEM_ERROR(DRM_MEM_MAPPINGS,
+			      "Mapping 0 bytes at 0x%08lx\n", offset);
+		return NULL;
+	}
+
+	if (!(pt = pmap_mapdev(offset, size))) {
+		DRM_OS_SPINLOCK(&DRM(mem_lock));
+		++DRM(mem_stats)[DRM_MEM_MAPPINGS].fail_count;
+		DRM_OS_SPINUNLOCK(&DRM(mem_lock));
+		return NULL;
+	}
+	DRM_OS_SPINLOCK(&DRM(mem_lock));
+	++DRM(mem_stats)[DRM_MEM_MAPPINGS].succeed_count;
+	DRM(mem_stats)[DRM_MEM_MAPPINGS].bytes_allocated += size;
+	DRM_OS_SPINUNLOCK(&DRM(mem_lock));
+	return pt;
+}
+
+void DRM(ioremapfree)(void *pt, unsigned long size)
+{
+	int alloc_count;
+	int free_count;
+
+	if (!pt)
+		DRM_MEM_ERROR(DRM_MEM_MAPPINGS,
+			      "Attempt to free NULL pointer\n");
+	else
+		pmap_unmapdev((vm_offset_t) pt, size);
+
+	DRM_OS_SPINLOCK(&DRM(mem_lock));
+	DRM(mem_stats)[DRM_MEM_MAPPINGS].bytes_freed += size;
+	free_count  = ++DRM(mem_stats)[DRM_MEM_MAPPINGS].free_count;
+	alloc_count =	DRM(mem_stats)[DRM_MEM_MAPPINGS].succeed_count;
+	DRM_OS_SPINUNLOCK(&DRM(mem_lock));
+	if (free_count > alloc_count) {
+		DRM_MEM_ERROR(DRM_MEM_MAPPINGS,
+			      "Excess frees: %d frees, %d allocs\n",
+			      free_count, alloc_count);
+	}
+}
+
+#if __REALLY_HAVE_AGP
+agp_memory *DRM(alloc_agp)(int pages, u32 type)
+{
+	agp_memory *handle;
+
+	if (!pages) {
+		DRM_MEM_ERROR(DRM_MEM_TOTALAGP, "Allocating 0 pages\n");
+		return NULL;
+	}
+
+	if ((handle = DRM(agp_allocate_memory)(pages, type))) {
+		DRM_OS_SPINLOCK(&DRM(mem_lock));
+		++DRM(mem_stats)[DRM_MEM_TOTALAGP].succeed_count;
+		DRM(mem_stats)[DRM_MEM_TOTALAGP].bytes_allocated
+			+= pages << PAGE_SHIFT;
+		DRM_OS_SPINUNLOCK(&DRM(mem_lock));
+		return handle;
+	}
+	DRM_OS_SPINLOCK(&DRM(mem_lock));
+	++DRM(mem_stats)[DRM_MEM_TOTALAGP].fail_count;
+	DRM_OS_SPINUNLOCK(&DRM(mem_lock));
+	return NULL;
+}
+
+int DRM(free_agp)(agp_memory *handle, int pages)
+{
+	int           alloc_count;
+	int           free_count;
+
+	if (!handle) {
+		DRM_MEM_ERROR(DRM_MEM_TOTALAGP,
+			      "Attempt to free NULL AGP handle\n");
+		DRM_OS_RETURN(EINVAL);
+	}
+
+	if (DRM(agp_free_memory)(handle)) {
+		DRM_OS_SPINLOCK(&DRM(mem_lock));
+		free_count  = ++DRM(mem_stats)[DRM_MEM_TOTALAGP].free_count;
+		alloc_count =   DRM(mem_stats)[DRM_MEM_TOTALAGP].succeed_count;
+		DRM(mem_stats)[DRM_MEM_TOTALAGP].bytes_freed
+			+= pages << PAGE_SHIFT;
+		DRM_OS_SPINUNLOCK(&DRM(mem_lock));
+		if (free_count > alloc_count) {
+			DRM_MEM_ERROR(DRM_MEM_TOTALAGP,
+				      "Excess frees: %d frees, %d allocs\n",
+				      free_count, alloc_count);
+		}
+		return 0;
+	}
+	DRM_OS_RETURN(EINVAL);
+}
+
+int DRM(bind_agp)(agp_memory *handle, unsigned int start)
+{
+	int retcode;
+	device_t dev = agp_find_device();
+	struct agp_memory_info info;
+
+	if (!dev)
+		return EINVAL;
+
+	if (!handle) {
+		DRM_MEM_ERROR(DRM_MEM_BOUNDAGP,
+			      "Attempt to bind NULL AGP handle\n");
+		DRM_OS_RETURN(EINVAL);
+	}
+
+	if (!(retcode = DRM(agp_bind_memory)(handle, start))) {
+		DRM_OS_SPINLOCK(&DRM(mem_lock));
+		++DRM(mem_stats)[DRM_MEM_BOUNDAGP].succeed_count;
+		agp_memory_info(dev, handle, &info);
+		DRM(mem_stats)[DRM_MEM_BOUNDAGP].bytes_allocated
+			+= info.ami_size;
+		DRM_OS_SPINUNLOCK(&DRM(mem_lock));
+		DRM_OS_RETURN(0);
+	}
+	DRM_OS_SPINLOCK(&DRM(mem_lock));
+	++DRM(mem_stats)[DRM_MEM_BOUNDAGP].fail_count;
+	DRM_OS_SPINUNLOCK(&DRM(mem_lock));
+	DRM_OS_RETURN(retcode);
+}
+
+int DRM(unbind_agp)(agp_memory *handle)
+{
+	int alloc_count;
+	int free_count;
+	int retcode = EINVAL;
+	device_t dev = agp_find_device();
+	struct agp_memory_info info;
+
+	if (!dev)
+		return EINVAL;
+
+	if (!handle) {
+		DRM_MEM_ERROR(DRM_MEM_BOUNDAGP,
+			      "Attempt to unbind NULL AGP handle\n");
+		DRM_OS_RETURN(retcode);
+	}
+
+	agp_memory_info(dev, handle, &info);
+
+	if ((retcode = DRM(agp_unbind_memory)(handle))) 
+		DRM_OS_RETURN(retcode);
+
+	DRM_OS_SPINLOCK(&DRM(mem_lock));
+	free_count  = ++DRM(mem_stats)[DRM_MEM_BOUNDAGP].free_count;
+	alloc_count = DRM(mem_stats)[DRM_MEM_BOUNDAGP].succeed_count;
+	DRM(mem_stats)[DRM_MEM_BOUNDAGP].bytes_freed
+		+= info.ami_size;
+	DRM_OS_SPINUNLOCK(&DRM(mem_lock));
+	if (free_count > alloc_count) {
+		DRM_MEM_ERROR(DRM_MEM_BOUNDAGP,
+			      "Excess frees: %d frees, %d allocs\n",
+			      free_count, alloc_count);
+	}
+	DRM_OS_RETURN(retcode);
+}
+#endif
diff --git a/bsd/drm_os_freebsd.h b/bsd/drm_os_freebsd.h
new file mode 100644
index 00000000..72c5baf6
--- /dev/null
+++ b/bsd/drm_os_freebsd.h
@@ -0,0 +1,375 @@
+#include <sys/param.h>
+#include <sys/queue.h>
+#include <sys/malloc.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+#include <sys/systm.h>
+#include <sys/conf.h>
+#include <sys/stat.h>
+#include <sys/proc.h>
+#include <sys/lock.h>
+#include <sys/fcntl.h>
+#include <sys/uio.h>
+#include <sys/filio.h>
+#include <sys/sysctl.h>
+#include <sys/select.h>
+#include <vm/vm.h>
+#include <vm/pmap.h>
+#include <machine/pmap.h>
+#if __FreeBSD_version >= 500000
+#include <sys/selinfo.h>
+#endif
+#include <sys/bus.h>
+#if __FreeBSD_version >= 400005
+#include <sys/taskqueue.h>
+#endif
+#if __FreeBSD_version >= 500000
+#include <sys/mutex.h>
+#endif
+
+#if __FreeBSD_version >= 400006
+#define __REALLY_HAVE_AGP	__HAVE_AGP
+#endif
+
+#define __REALLY_HAVE_MTRR	0
+#define __REALLY_HAVE_SG	0
+
+#if __REALLY_HAVE_AGP
+#include <pci/agpvar.h>
+#endif
+
+#define DRM_TIME_SLICE	      (hz/20)  /* Time slice for GLXContexts	  */
+
+#define DRM_DEV_MODE	(S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP)
+#define DRM_DEV_UID	0
+#define DRM_DEV_GID	0
+
+
+#if __FreeBSD_version >= 500000
+#define DRM_OS_SPINTYPE		struct mtx
+#define DRM_OS_SPININIT(l,name)	mtx_init(&l, name, MTX_DEF)
+#define DRM_OS_SPINLOCK(l)	mtx_lock(l)
+#define DRM_OS_SPINUNLOCK(u)	mtx_unlock(u);
+#define DRM_OS_LOCK	lockmgr(&dev->dev_lock, LK_EXCLUSIVE, 0, curthread)
+#define DRM_OS_UNLOCK 	lockmgr(&dev->dev_lock, LK_RELEASE, 0, curthread)
+#define DRM_OS_CURPROC		curthread
+#define DRM_OS_STRUCTPROC	struct thread
+#define DRM_OS_CURRENTPID       curthread->td_proc->p_pid
+#define DRM_OS_IOCTL 		dev_t kdev, u_long cmd, caddr_t data, int flags, struct thread *p
+#define DRM_OS_CHECKSUSER	suser(p->td_proc)
+#else
+#define DRM_OS_CURPROC		curproc
+#define DRM_OS_STRUCTPROC	struct proc
+#define DRM_OS_SPINTYPE		struct simplelock
+#define DRM_OS_SPININIT(l,name)	simple_lock_init(&l)
+#define DRM_OS_SPINLOCK(l)	simple_lock(l)
+#define DRM_OS_SPINUNLOCK(u)	simple_unlock(u);
+#define DRM_OS_IOCTL		dev_t kdev, u_long cmd, caddr_t data, int flags, struct proc *p
+#define DRM_OS_LOCK	lockmgr(&dev->dev_lock, LK_EXCLUSIVE, 0, curproc)
+#define DRM_OS_UNLOCK 	lockmgr(&dev->dev_lock, LK_RELEASE, 0, curproc)
+#define DRM_OS_CURRENTPID       curproc->p_pid
+#define DRM_OS_CHECKSUSER	suser(p)
+#endif
+
+#define DRM_OS_TASKQUEUE_ARGS	void *dev, int pending
+#define DRM_OS_IRQ_ARGS	void *device
+#define DRM_OS_DEVICE	drm_device_t	*dev	= kdev->si_drv1
+#define DRM_OS_MALLOC(size) malloc( size, DRM(M_DRM), M_NOWAIT )
+#define DRM_OS_FREE(pt) free( pt, DRM(M_DRM) )
+#define DRM_OS_VTOPHYS(addr) vtophys(addr)
+
+#define DRM_OS_PRIV					\
+	drm_file_t	*priv	= (drm_file_t *) DRM(find_file_by_proc)(dev, p); \
+	if (!priv) {						\
+		DRM_DEBUG("can't find authenticator\n");	\
+		return EINVAL;					\
+	}
+
+#define DRM_OS_DELAY( udelay )					\
+do {								\
+	struct timeval tv1, tv2;				\
+	microtime(&tv1);					\
+	do {							\
+		microtime(&tv2);				\
+	}							\
+	while (((tv2.tv_sec-tv1.tv_sec)*1000000 + tv2.tv_usec - tv1.tv_usec) < udelay ); \
+} while (0)
+
+#define DRM_OS_RETURN(v)	return v;
+
+
+#define DRM_OS_KRNTOUSR(arg1, arg2, arg3) \
+	*arg1 = arg2
+#define DRM_OS_KRNFROMUSR(arg1, arg2, arg3) \
+	arg1 = *arg2
+#define DRM_OS_COPYTOUSR(arg1, arg2, arg3) \
+	copyout(arg2, arg1, arg3)
+#define DRM_OS_COPYFROMUSR(arg1, arg2, arg3) \
+	copyin(arg2, arg1, arg3)
+
+#define DRM_OS_READMEMORYBARRIER \
+{												\
+   	int xchangeDummy;									\
+	DRM_DEBUG("%s\n", __FUNCTION__);							\
+   	__asm__ volatile(" push %%eax ; xchg %%eax, %0 ; pop %%eax" : : "m" (xchangeDummy));	\
+   	__asm__ volatile(" push %%eax ; push %%ebx ; push %%ecx ; push %%edx ;"			\
+			 " movl $0,%%eax ; cpuid ; pop %%edx ; pop %%ecx ; pop %%ebx ;"		\
+			 " pop %%eax" : /* no outputs */ :  /* no inputs */ );			\
+} while (0);
+
+#define DRM_OS_WRITEMEMORYBARRIER DRM_OS_READMEMORYBARRIER
+
+#define DRM_OS_WAKEUP(w) wakeup(w)
+#define DRM_OS_WAKEUP_INT(w) wakeup(w)
+
+#define PAGE_ALIGN(addr) (((addr)+PAGE_SIZE-1)&PAGE_MASK)
+
+#define malloctype DRM(M_DRM)
+/* The macros confliced in the MALLOC_DEFINE */
+MALLOC_DECLARE(malloctype);
+#undef malloctype
+
+typedef struct drm_chipinfo
+{
+	int vendor;
+	int device;
+	int supported;
+	char *name;
+} drm_chipinfo_t;
+
+typedef unsigned long atomic_t;
+typedef u_int32_t cycles_t;
+typedef u_int32_t spinlock_t;
+typedef u_int32_t u32;
+typedef u_int16_t u16;
+typedef u_int8_t u8;
+#define atomic_set(p, v)	(*(p) = (v))
+#define atomic_read(p)		(*(p))
+#define atomic_inc(p)		atomic_add_long(p, 1)
+#define atomic_dec(p)		atomic_subtract_long(p, 1)
+#define atomic_add(n, p)	atomic_add_long(p, n)
+#define atomic_sub(n, p)	atomic_subtract_long(p, n)
+
+/* Fake this */
+static __inline unsigned int
+test_and_set_bit(int b, volatile unsigned long *p)
+{
+	int s = splhigh();
+	unsigned int m = 1<<b;
+	unsigned int r = *p & m;
+	*p |= m;
+	splx(s);
+	return r;
+}
+
+static __inline void
+clear_bit(int b, volatile unsigned long *p)
+{
+    atomic_clear_long(p + (b >> 5), 1 << (b & 0x1f));
+}
+
+static __inline void
+set_bit(int b, volatile unsigned long *p)
+{
+    atomic_set_long(p + (b >> 5), 1 << (b & 0x1f));
+}
+
+static __inline int
+test_bit(int b, volatile unsigned long *p)
+{
+    return p[b >> 5] & (1 << (b & 0x1f));
+}
+
+static __inline int
+find_first_zero_bit(volatile unsigned long *p, int max)
+{
+    int b;
+
+    for (b = 0; b < max; b += 32) {
+	if (p[b >> 5] != ~0) {
+	    for (;;) {
+		if ((p[b >> 5] & (1 << (b & 0x1f))) == 0)
+		    return b;
+		b++;
+	    }
+	}
+    }
+    return max;
+}
+
+#define spldrm()		spltty()
+
+#define memset(p, v, s)		bzero(p, s)
+
+/*
+ * Fake out the module macros for versions of FreeBSD where they don't
+ * exist.
+ */
+#if (__FreeBSD_version < 500002 && __FreeBSD_version > 500000) || __FreeBSD_version < 420000
+/* FIXME: again, what's the exact date? */
+#define MODULE_VERSION(a,b)		struct __hack
+#define MODULE_DEPEND(a,b,c,d,e)	struct __hack
+
+#endif
+
+#define __drm_dummy_lock(lock) (*(__volatile__ unsigned int *)lock)
+#define _DRM_CAS(lock,old,new,__ret)				       \
+	do {							       \
+		int __dummy;	/* Can't mark eax as clobbered */      \
+		__asm__ __volatile__(				       \
+			"lock ; cmpxchg %4,%1\n\t"		       \
+			"setnz %0"				       \
+			: "=d" (__ret),				       \
+			  "=m" (__drm_dummy_lock(lock)),	       \
+			  "=a" (__dummy)			       \
+			: "2" (old),				       \
+			  "r" (new));				       \
+	} while (0)
+
+/* Redefinitions to make templating easy */
+#define wait_queue_head_t	long
+#define agp_memory		void
+#define jiffies			ticks
+
+				/* Macros to make printf easier */
+#define DRM_ERROR(fmt, arg...) \
+	printf("error: " "[" DRM_NAME ":" __FUNCTION__ "] *ERROR* " fmt , ##arg)
+#define DRM_MEM_ERROR(area, fmt, arg...) \
+	printf("error: " "[" DRM_NAME ":" __FUNCTION__ ":%s] *ERROR* " fmt , \
+	       DRM(mem_stats)[area].name , ##arg)
+#define DRM_INFO(fmt, arg...)  printf("info: " "[" DRM_NAME "] " fmt , ##arg)
+
+#if DRM_DEBUG_CODE
+#define DRM_DEBUG(fmt, arg...)						  \
+	do {								  \
+		if (DRM(flags) & DRM_FLAG_DEBUG)				  \
+			printf("[" DRM_NAME ":" __FUNCTION__ "] " fmt ,	  \
+			       ##arg);					  \
+	} while (0)
+#else
+#define DRM_DEBUG(fmt, arg...)		 do { } while (0)
+#endif
+
+#define DRM_PROC_LIMIT (PAGE_SIZE-80)
+
+#if (__FreeBSD_version >= 500000) || ((__FreeBSD_version < 500000) && (__FreeBSD_version >= 410002))
+#define DRM_SYSCTL_HANDLER_ARGS	(SYSCTL_HANDLER_ARGS)
+#else
+#define DRM_SYSCTL_HANDLER_ARGS	SYSCTL_HANDLER_ARGS
+#endif
+
+#define DRM_SYSCTL_PRINT(fmt, arg...)		\
+  snprintf(buf, sizeof(buf), fmt, ##arg);	\
+  error = SYSCTL_OUT(req, buf, strlen(buf));	\
+  if (error) return error;
+
+#define DRM_SYSCTL_PRINT_RET(ret, fmt, arg...)	\
+  snprintf(buf, sizeof(buf), fmt, ##arg);	\
+  error = SYSCTL_OUT(req, buf, strlen(buf));	\
+  if (error) { ret; return error; }
+
+
+#define DRM_FIND_MAP(dest, o)						\
+	do {								\
+		drm_map_list_entry_t *listentry;			\
+		TAILQ_FOREACH(listentry, dev->maplist, link) {		\
+			if ( listentry->map->offset == o ) {		\
+				dest = listentry->map;			\
+				break;					\
+			}						\
+		}							\
+	} while (0)
+
+
+/* Internal functions */
+
+/* drm_drv.h */
+extern d_ioctl_t	DRM(ioctl);
+extern d_ioctl_t	DRM(lock);
+extern d_ioctl_t	DRM(unlock);
+extern d_open_t		DRM(open);
+extern d_close_t	DRM(close);
+extern d_read_t		DRM(read);
+extern d_write_t	DRM(write);
+extern d_poll_t		DRM(poll);
+extern d_mmap_t		DRM(mmap);
+extern int		DRM(open_helper)(dev_t kdev, int flags, int fmt, 
+					 DRM_OS_STRUCTPROC *p, drm_device_t *dev);
+extern drm_file_t	*DRM(find_file_by_proc)(drm_device_t *dev, 
+					 DRM_OS_STRUCTPROC *p);
+
+/* Misc. IOCTL support (drm_ioctl.h) */
+extern d_ioctl_t	DRM(irq_busid);
+extern d_ioctl_t	DRM(getunique);
+extern d_ioctl_t	DRM(setunique);
+extern d_ioctl_t	DRM(getmap);
+extern d_ioctl_t	DRM(getclient);
+extern d_ioctl_t	DRM(getstats);
+
+/* Context IOCTL support (drm_context.h) */
+extern d_ioctl_t	DRM(resctx);
+extern d_ioctl_t	DRM(addctx);
+extern d_ioctl_t	DRM(modctx);
+extern d_ioctl_t	DRM(getctx);
+extern d_ioctl_t	DRM(switchctx);
+extern d_ioctl_t	DRM(newctx);
+extern d_ioctl_t	DRM(rmctx);
+extern d_ioctl_t	DRM(setsareactx);
+extern d_ioctl_t	DRM(getsareactx);
+
+/* Drawable IOCTL support (drm_drawable.h) */
+extern d_ioctl_t	DRM(adddraw);
+extern d_ioctl_t	DRM(rmdraw);
+
+/* Authentication IOCTL support (drm_auth.h) */
+extern d_ioctl_t	DRM(getmagic);
+extern d_ioctl_t	DRM(authmagic);
+
+/* Locking IOCTL support (drm_lock.h) */
+extern d_ioctl_t	DRM(block);
+extern d_ioctl_t	DRM(unblock);
+extern d_ioctl_t	DRM(finish);
+
+/* Buffer management support (drm_bufs.h) */
+extern d_ioctl_t	DRM(addmap);
+extern d_ioctl_t	DRM(rmmap);
+#if __HAVE_DMA
+extern d_ioctl_t	DRM(addbufs_agp);
+extern d_ioctl_t	DRM(addbufs_pci);
+extern d_ioctl_t	DRM(addbufs_sg);
+extern d_ioctl_t	DRM(addbufs);
+extern d_ioctl_t	DRM(infobufs);
+extern d_ioctl_t	DRM(markbufs);
+extern d_ioctl_t	DRM(freebufs);
+extern d_ioctl_t	DRM(mapbufs);
+#endif
+
+/* Memory management support (drm_memory.h) */
+extern int		DRM(mem_info) DRM_SYSCTL_HANDLER_ARGS;
+
+/* DMA support (drm_dma.h) */
+#if __HAVE_DMA_IRQ
+extern d_ioctl_t	DRM(control);
+#endif
+
+/* AGP/GART support (drm_agpsupport.h) */
+#if __REALLY_HAVE_AGP
+extern d_ioctl_t	DRM(agp_acquire);
+extern d_ioctl_t	DRM(agp_release);
+extern d_ioctl_t	DRM(agp_enable);
+extern d_ioctl_t	DRM(agp_info);
+extern d_ioctl_t	DRM(agp_alloc);
+extern d_ioctl_t	DRM(agp_free);
+extern d_ioctl_t	DRM(agp_unbind);
+extern d_ioctl_t	DRM(agp_bind);
+#endif
+
+/* Scatter Gather Support (drm_scatter.h) */
+#if __HAVE_SG
+extern d_ioctl_t	DRM(sg_alloc);
+extern d_ioctl_t	DRM(sg_free);
+#endif
+
+/* SysCtl Support (drm_sysctl.h) */
+extern int		DRM(sysctl_init)(drm_device_t *dev);
+extern int		DRM(sysctl_cleanup)(drm_device_t *dev);
diff --git a/bsd/drm_scatter.h b/bsd/drm_scatter.h
new file mode 100644
index 00000000..a6b8275f
--- /dev/null
+++ b/bsd/drm_scatter.h
@@ -0,0 +1,237 @@
+/* drm_scatter.h -- IOCTLs to manage scatter/gather memory -*- linux-c -*-
+ * Created: Mon Dec 18 23:20:54 2000 by gareth@valinux.com
+ *
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *   Gareth Hughes <gareth@valinux.com>
+ */
+
+#define __NO_VERSION__
+#include <linux/config.h>
+#include <linux/vmalloc.h>
+#include "drmP.h"
+
+#define DEBUG_SCATTER 0
+
+void DRM(sg_cleanup)( drm_sg_mem_t *entry )
+{
+	struct page *page;
+	int i;
+
+	for ( i = 0 ; i < entry->pages ; i++ ) {
+		page = entry->pagelist[i];
+		if ( page )
+			ClearPageReserved( page );
+	}
+
+	vfree( entry->virtual );
+
+	DRM(free)( entry->busaddr,
+		   entry->pages * sizeof(*entry->busaddr),
+		   DRM_MEM_PAGES );
+	DRM(free)( entry->pagelist,
+		   entry->pages * sizeof(*entry->pagelist),
+		   DRM_MEM_PAGES );
+	DRM(free)( entry,
+		   sizeof(*entry),
+		   DRM_MEM_SGLISTS );
+}
+
+int DRM(sg_alloc)( struct inode *inode, struct file *filp,
+		   unsigned int cmd, unsigned long arg )
+{
+	drm_file_t *priv = filp->private_data;
+	drm_device_t *dev = priv->dev;
+	drm_scatter_gather_t request;
+	drm_sg_mem_t *entry;
+	unsigned long pages, i, j;
+	pgd_t *pgd;
+	pmd_t *pmd;
+	pte_t *pte;
+
+	DRM_DEBUG( "%s\n", __FUNCTION__ );
+
+	if ( dev->sg )
+		return -EINVAL;
+
+	if ( copy_from_user( &request,
+			     (drm_scatter_gather_t *)arg,
+			     sizeof(request) ) )
+		return -EFAULT;
+
+	entry = DRM(alloc)( sizeof(*entry), DRM_MEM_SGLISTS );
+	if ( !entry )
+		return -ENOMEM;
+
+   	memset( entry, 0, sizeof(*entry) );
+
+	pages = (request.size + PAGE_SIZE - 1) / PAGE_SIZE;
+	DRM_DEBUG( "sg size=%ld pages=%ld\n", request.size, pages );
+
+	entry->pages = pages;
+	entry->pagelist = DRM(alloc)( pages * sizeof(*entry->pagelist),
+				     DRM_MEM_PAGES );
+	if ( !entry->pagelist ) {
+		DRM(free)( entry, sizeof(*entry), DRM_MEM_SGLISTS );
+		return -ENOMEM;
+	}
+
+	entry->busaddr = DRM(alloc)( pages * sizeof(*entry->busaddr),
+				     DRM_MEM_PAGES );
+	if ( !entry->busaddr ) {
+		DRM(free)( entry->pagelist,
+			   entry->pages * sizeof(*entry->pagelist),
+			   DRM_MEM_PAGES );
+		DRM(free)( entry,
+			   sizeof(*entry),
+			   DRM_MEM_SGLISTS );
+		return -ENOMEM;
+	}
+	memset( (void *)entry->busaddr, 0, pages * sizeof(*entry->busaddr) );
+
+	entry->virtual = vmalloc_32( pages << PAGE_SHIFT );
+	if ( !entry->virtual ) {
+		DRM(free)( entry->busaddr,
+			   entry->pages * sizeof(*entry->busaddr),
+			   DRM_MEM_PAGES );
+		DRM(free)( entry->pagelist,
+			   entry->pages * sizeof(*entry->pagelist),
+			   DRM_MEM_PAGES );
+		DRM(free)( entry,
+			   sizeof(*entry),
+			   DRM_MEM_SGLISTS );
+		return -ENOMEM;
+	}
+
+	/* This also forces the mapping of COW pages, so our page list
+	 * will be valid.  Please don't remove it...
+	 */
+	memset( entry->virtual, 0, pages << PAGE_SHIFT );
+
+	entry->handle = (unsigned long)entry->virtual;
+
+	DRM_DEBUG( "sg alloc handle  = %08lx\n", entry->handle );
+	DRM_DEBUG( "sg alloc virtual = %p\n", entry->virtual );
+
+	for ( i = entry->handle, j = 0 ; j < pages ; i += PAGE_SIZE, j++ ) {
+		pgd = pgd_offset_k( i );
+		if ( !pgd_present( *pgd ) )
+			goto failed;
+
+		pmd = pmd_offset( pgd, i );
+		if ( !pmd_present( *pmd ) )
+			goto failed;
+
+		pte = pte_offset( pmd, i );
+		if ( !pte_present( *pte ) )
+			goto failed;
+
+		entry->pagelist[j] = pte_page( *pte );
+
+		SetPageReserved( entry->pagelist[j] );
+	}
+
+	request.handle = entry->handle;
+
+	if ( copy_to_user( (drm_scatter_gather_t *)arg,
+			   &request,
+			   sizeof(request) ) ) {
+		DRM(sg_cleanup)( entry );
+		return -EFAULT;
+	}
+
+	dev->sg = entry;
+
+#if DEBUG_SCATTER
+	/* Verify that each page points to its virtual address, and vice
+	 * versa.
+	 */
+	{
+	int error = 0;
+
+	for ( i = 0 ; i < pages ; i++ ) {
+		unsigned long *tmp;
+
+		tmp = page_address( entry->pagelist[i] );
+		for ( j = 0 ;
+		      j < PAGE_SIZE / sizeof(unsigned long) ;
+		      j++, tmp++ ) {
+			*tmp = 0xcafebabe;
+		}
+		tmp = (unsigned long *)((u8 *)entry->virtual +
+					(PAGE_SIZE * i));
+		for( j = 0 ;
+		     j < PAGE_SIZE / sizeof(unsigned long) ;
+		     j++, tmp++ ) {
+			if ( *tmp != 0xcafebabe && error == 0 ) {
+				error = 1;
+				DRM_ERROR( "Scatter allocation error, "
+					   "pagelist does not match "
+					   "virtual mapping\n" );
+			}
+		}
+		tmp = page_address( entry->pagelist[i] );
+		for(j = 0 ;
+		    j < PAGE_SIZE / sizeof(unsigned long) ;
+		    j++, tmp++) {
+			*tmp = 0;
+		}
+	}
+	if (error == 0)
+		DRM_ERROR( "Scatter allocation matches pagelist\n" );
+	}
+#endif
+
+	return 0;
+
+ failed:
+	DRM(sg_cleanup)( entry );
+	return -ENOMEM;
+}
+
+int DRM(sg_free)( struct inode *inode, struct file *filp,
+		 unsigned int cmd, unsigned long arg )
+{
+	drm_file_t *priv = filp->private_data;
+	drm_device_t *dev = priv->dev;
+	drm_scatter_gather_t request;
+	drm_sg_mem_t *entry;
+
+	if ( copy_from_user( &request,
+			     (drm_scatter_gather_t *)arg,
+			     sizeof(request) ) )
+		return -EFAULT;
+
+	entry = dev->sg;
+	dev->sg = NULL;
+
+	if ( !entry || entry->handle != request.handle )
+		return -EINVAL;
+
+	DRM_DEBUG( "sg free virtual  = %p\n", entry->virtual );
+
+	DRM(sg_cleanup)( entry );
+
+	return 0;
+}
diff --git a/bsd/drm_sysctl.h b/bsd/drm_sysctl.h
new file mode 100644
index 00000000..02e4b28d
--- /dev/null
+++ b/bsd/drm_sysctl.h
@@ -0,0 +1,523 @@
+SYSCTL_NODE(_hw, OID_AUTO, dri, CTLFLAG_RW, 0, "DRI Graphics");
+
+static int	   DRM(name_info)DRM_SYSCTL_HANDLER_ARGS;
+static int	   DRM(vm_info)DRM_SYSCTL_HANDLER_ARGS;
+static int	   DRM(clients_info)DRM_SYSCTL_HANDLER_ARGS;
+static int	   DRM(queues_info)DRM_SYSCTL_HANDLER_ARGS;
+static int	   DRM(bufs_info)DRM_SYSCTL_HANDLER_ARGS;
+#if DRM_DEBUG_CODExx
+static int	   DRM(vma_info)DRM_SYSCTL_HANDLER_ARGS;
+#endif
+#if DRM_DMA_HISTOGRAM
+static int	   DRM(histo_info)DRM_SYSCTL_HANDLER_ARGS;
+#endif
+
+struct DRM(sysctl_list) {
+	const char *name;
+	int	   (*f) DRM_SYSCTL_HANDLER_ARGS;
+} DRM(sysctl_list)[] = {
+	{ "name",    DRM(name_info)    },
+	{ "mem",     DRM(mem_info)     },
+	{ "vm",	     DRM(vm_info)      },
+	{ "clients", DRM(clients_info) },
+	{ "queues",  DRM(queues_info)  },
+	{ "bufs",    DRM(bufs_info)    },
+#if DRM_DEBUG_CODExx
+	{ "vma",     DRM(vma_info)     },
+#endif
+#if DRM_DMA_HISTOGRAM
+	{ "histo",   drm_histo_info)   },
+#endif
+};
+#define DRM_SYSCTL_ENTRIES (sizeof(DRM(sysctl_list))/sizeof(DRM(sysctl_list)[0]))
+
+struct drm_sysctl_info {
+	struct sysctl_oid      oids[DRM_SYSCTL_ENTRIES + 1];
+	struct sysctl_oid_list list;
+	char		       name[2];
+};
+
+int DRM(sysctl_init)(drm_device_t *dev)
+{
+	struct drm_sysctl_info *info;
+	struct sysctl_oid *oid;
+	struct sysctl_oid *top;
+	int		  i;
+
+	/* Find the next free slot under hw.graphics */
+	i = 0;
+	SLIST_FOREACH(oid, &sysctl__hw_dri_children, oid_link) {
+		if (i <= oid->oid_arg2)
+			i = oid->oid_arg2 + 1;
+	}
+	
+	info = DRM(alloc)(sizeof *info, DRM_MEM_DRIVER);
+	dev->sysctl = info;
+
+	/* Construct the node under hw.graphics */
+	info->name[0] = '0' + i;
+	info->name[1] = 0;
+	oid = &info->oids[DRM_SYSCTL_ENTRIES];
+	bzero(oid, sizeof(*oid));
+	oid->oid_parent = &sysctl__hw_dri_children;
+	oid->oid_number = OID_AUTO;
+	oid->oid_kind = CTLTYPE_NODE | CTLFLAG_RW;
+	oid->oid_arg1 = &info->list;
+	oid->oid_arg2 = i;
+	oid->oid_name = info->name;
+	oid->oid_handler = 0;
+	oid->oid_fmt = "N";
+	SLIST_INIT(&info->list);
+	sysctl_register_oid(oid);
+	top = oid;
+
+	for (i = 0; i < DRM_SYSCTL_ENTRIES; i++) {
+		oid = &info->oids[i];
+		bzero(oid, sizeof(*oid));
+		oid->oid_parent = top->oid_arg1;
+		oid->oid_number = OID_AUTO;
+		oid->oid_kind = CTLTYPE_INT | CTLFLAG_RD;
+		oid->oid_arg1 = dev;
+		oid->oid_arg2 = 0;
+		oid->oid_name = DRM(sysctl_list)[i].name;
+		oid->oid_handler = DRM(sysctl_list[)i].f;
+		oid->oid_fmt = "A";
+		sysctl_register_oid(oid);
+	}
+
+	return 0;
+}
+
+int DRM(sysctl_cleanup)(drm_device_t *dev)
+{
+	int i;
+
+	DRM_DEBUG("dev->sysctl=%p\n", dev->sysctl);
+	for (i = 0; i < DRM_SYSCTL_ENTRIES + 1; i++)
+		sysctl_unregister_oid(&dev->sysctl->oids[i]);
+
+	DRM(free)(dev->sysctl, sizeof *dev->sysctl, DRM_MEM_DRIVER);
+	dev->sysctl = NULL;
+
+	return 0;
+}
+
+static int DRM(name_info)DRM_SYSCTL_HANDLER_ARGS
+{
+	drm_device_t *dev = arg1;
+	char buf[128];
+	int error;
+
+	if (dev->unique) {
+		DRM_SYSCTL_PRINT("%s 0x%x %s\n",
+			       dev->name, dev2udev(dev->devnode), dev->unique);
+	} else {
+		DRM_SYSCTL_PRINT("%s 0x%x\n", dev->name, dev2udev(dev->devnode));
+	}
+
+	SYSCTL_OUT(req, "", 1);
+
+	return 0;
+}
+
+static int DRM(_vm_info)DRM_SYSCTL_HANDLER_ARGS
+{
+	drm_device_t *dev = arg1;
+	drm_map_t    *map;
+	drm_map_list_entry_t    *listentry;
+	const char   *types[] = { "FB", "REG", "SHM" };
+	const char   *type;
+	int	     i=0;
+	char         buf[128];
+	int          error;
+
+	DRM_SYSCTL_PRINT("slot	 offset	      size type flags	 "
+			 "address mtrr\n\n");
+	error = SYSCTL_OUT(req, buf, strlen(buf));
+	if (error) return error;
+
+	if (dev->maplist != NULL) {
+		TAILQ_FOREACH(listentry, dev->maplist, link) {
+			map = listentry->map;
+			if (map->type < 0 || map->type > 2) type = "??";
+			else				    type = types[map->type];
+			DRM_SYSCTL_PRINT("%4d 0x%08lx 0x%08lx %4.4s  0x%02x 0x%08lx ",
+					 i,
+					 map->offset,
+					 map->size,
+					 type,
+					 map->flags,
+					 (unsigned long)map->handle);
+			if (map->mtrr < 0) {
+				DRM_SYSCTL_PRINT("none\n");
+			} else {
+				DRM_SYSCTL_PRINT("%4d\n", map->mtrr);
+			}
+			i++;
+		}
+	}
+	SYSCTL_OUT(req, "", 1);
+
+	return 0;
+}
+
+static int DRM(vm_info)DRM_SYSCTL_HANDLER_ARGS
+{
+	drm_device_t *dev = arg1;
+	int	     ret;
+
+	DRM_OS_LOCK;
+	ret = DRM(_vm_info)(oidp, arg1, arg2, req);
+	DRM_OS_UNLOCK;
+
+	return ret;
+}
+
+
+static int DRM(_queues_info)DRM_SYSCTL_HANDLER_ARGS
+{
+	drm_device_t *dev = arg1;
+	int	     i;
+	drm_queue_t  *q;
+	char         buf[128];
+	int          error;
+
+	DRM_SYSCTL_PRINT("  ctx/flags   use   fin"
+			 "   blk/rw/rwf  wait    flushed	   queued"
+			 "      locks\n\n");
+	for (i = 0; i < dev->queue_count; i++) {
+		q = dev->queuelist[i];
+		atomic_inc(&q->use_count);
+		DRM_SYSCTL_PRINT_RET(atomic_dec(&q->use_count),
+				     "%5d/0x%03x %5ld %5ld"
+				     " %5ld/%c%c/%c%c%c %5d %10ld %10ld %10ld\n",
+				     i,
+				     q->flags,
+				     atomic_read(&q->use_count),
+				     atomic_read(&q->finalization),
+				     atomic_read(&q->block_count),
+				     atomic_read(&q->block_read) ? 'r' : '-',
+				     atomic_read(&q->block_write) ? 'w' : '-',
+				     q->read_queue ? 'r':'-',
+				     q->write_queue ? 'w':'-',
+				     q->flush_queue ? 'f':'-',
+				     DRM_BUFCOUNT(&q->waitlist),
+				     atomic_read(&q->total_flushed),
+				     atomic_read(&q->total_queued),
+				     atomic_read(&q->total_locks));
+		atomic_dec(&q->use_count);
+	}
+
+	SYSCTL_OUT(req, "", 1);
+	return 0;
+}
+
+static int DRM(queues_info) DRM_SYSCTL_HANDLER_ARGS
+{
+	drm_device_t *dev = arg1;
+	int	     ret;
+
+	DRM_OS_LOCK;
+	ret = DRM(_queues_info)(oidp, arg1, arg2, req);
+	DRM_OS_UNLOCK;
+	return ret;
+}
+
+/* drm_bufs_info is called whenever a process reads
+   hw.dri.0.bufs. */
+
+static int DRM(_bufs_info) DRM_SYSCTL_HANDLER_ARGS
+{
+	drm_device_t	 *dev = arg1;
+	drm_device_dma_t *dma = dev->dma;
+	int		 i;
+	char             buf[128];
+	int              error;
+
+	if (!dma)	return 0;
+	DRM_SYSCTL_PRINT(" o     size count  free	 segs pages    kB\n\n");
+	for (i = 0; i <= DRM_MAX_ORDER; i++) {
+		if (dma->bufs[i].buf_count)
+			DRM_SYSCTL_PRINT("%2d %8d %5d %5ld %5d %5d %5d\n",
+				       i,
+				       dma->bufs[i].buf_size,
+				       dma->bufs[i].buf_count,
+				       atomic_read(&dma->bufs[i]
+						   .freelist.count),
+				       dma->bufs[i].seg_count,
+				       dma->bufs[i].seg_count
+				       *(1 << dma->bufs[i].page_order),
+				       (dma->bufs[i].seg_count
+					* (1 << dma->bufs[i].page_order))
+				       * PAGE_SIZE / 1024);
+	}
+	DRM_SYSCTL_PRINT("\n");
+	for (i = 0; i < dma->buf_count; i++) {
+		if (i && !(i%32)) DRM_SYSCTL_PRINT("\n");
+		DRM_SYSCTL_PRINT(" %d", dma->buflist[i]->list);
+	}
+	DRM_SYSCTL_PRINT("\n");
+
+	SYSCTL_OUT(req, "", 1);
+	return 0;
+}
+
+static int DRM(bufs_info) DRM_SYSCTL_HANDLER_ARGS
+{
+	drm_device_t *dev = arg1;
+	int	     ret;
+
+	DRM_OS_LOCK;
+	ret = DRM(_bufs_info)(oidp, arg1, arg2, req);
+	DRM_OS_UNLOCK;
+	return ret;
+}
+
+
+static int DRM(_clients_info) DRM_SYSCTL_HANDLER_ARGS
+{
+	drm_device_t *dev = arg1;
+	drm_file_t   *priv;
+	char         buf[128];
+	int          error;
+
+	DRM_SYSCTL_PRINT("a dev	pid    uid	magic	  ioctls\n\n");
+	TAILQ_FOREACH(priv, &dev->files, link) {
+		DRM_SYSCTL_PRINT("%c %3d %5d %5d %10u %10lu\n",
+			       priv->authenticated ? 'y' : 'n',
+			       priv->minor,
+			       priv->pid,
+			       priv->uid,
+			       priv->magic,
+			       priv->ioctl_count);
+	}
+
+	SYSCTL_OUT(req, "", 1);
+	return 0;
+}
+
+static int DRM(clients_info)DRM_SYSCTL_HANDLER_ARGS
+{
+	drm_device_t *dev = arg1;
+	int	     ret;
+
+	DRM_OS_LOCK;
+	ret = DRM(_clients_info)(oidp, arg1, arg2, req);
+	DRM_OS_UNLOCK;
+	return ret;
+}
+
+#if DRM_DEBUG_CODExx
+
+static int DRM(_vma_info)DRM_SYSCTL_HANDLER_ARGS
+{
+	drm_device_t	      *dev = arg1;
+	drm_vma_entry_t	      *pt;
+	pgd_t		      *pgd;
+	pmd_t		      *pmd;
+	pte_t		      *pte;
+	unsigned long	      i;
+	struct vm_area_struct *vma;
+	unsigned long	      address;
+#if defined(__i386__)
+	unsigned int	      pgprot;
+#endif
+	char		      buf[128];
+	int		      error;
+
+	DRM_SYSCTL_PRINT("vma use count: %d, high_memory = %p, 0x%08lx\n",
+		       atomic_read(&dev->vma_count),
+		       high_memory, virt_to_phys(high_memory));
+	for (pt = dev->vmalist; pt; pt = pt->next) {
+		if (!(vma = pt->vma)) continue;
+		DRM_SYSCTL_PRINT("\n%5d 0x%08lx-0x%08lx %c%c%c%c%c%c 0x%08lx",
+			       pt->pid,
+			       vma->vm_start,
+			       vma->vm_end,
+			       vma->vm_flags & VM_READ	   ? 'r' : '-',
+			       vma->vm_flags & VM_WRITE	   ? 'w' : '-',
+			       vma->vm_flags & VM_EXEC	   ? 'x' : '-',
+			       vma->vm_flags & VM_MAYSHARE ? 's' : 'p',
+			       vma->vm_flags & VM_LOCKED   ? 'l' : '-',
+			       vma->vm_flags & VM_IO	   ? 'i' : '-',
+			       vma->vm_offset );
+#if defined(__i386__)
+		pgprot = pgprot_val(vma->vm_page_prot);
+		DRM_SYSCTL_PRINT(" %c%c%c%c%c%c%c%c%c",
+			       pgprot & _PAGE_PRESENT  ? 'p' : '-',
+			       pgprot & _PAGE_RW       ? 'w' : 'r',
+			       pgprot & _PAGE_USER     ? 'u' : 's',
+			       pgprot & _PAGE_PWT      ? 't' : 'b',
+			       pgprot & _PAGE_PCD      ? 'u' : 'c',
+			       pgprot & _PAGE_ACCESSED ? 'a' : '-',
+			       pgprot & _PAGE_DIRTY    ? 'd' : '-',
+			       pgprot & _PAGE_4M       ? 'm' : 'k',
+			       pgprot & _PAGE_GLOBAL   ? 'g' : 'l' );
+#endif		
+		DRM_SYSCTL_PRINT("\n");
+		for (i = vma->vm_start; i < vma->vm_end; i += PAGE_SIZE) {
+			pgd = pgd_offset(vma->vm_mm, i);
+			pmd = pmd_offset(pgd, i);
+			pte = pte_offset(pmd, i);
+			if (pte_present(*pte)) {
+				address = __pa(pte_page(*pte))
+					+ (i & (PAGE_SIZE-1));
+				DRM_SYSCTL_PRINT("      0x%08lx -> 0x%08lx"
+					       " %c%c%c%c%c\n",
+					       i,
+					       address,
+					       pte_read(*pte)  ? 'r' : '-',
+					       pte_write(*pte) ? 'w' : '-',
+					       pte_exec(*pte)  ? 'x' : '-',
+					       pte_dirty(*pte) ? 'd' : '-',
+					       pte_young(*pte) ? 'a' : '-' );
+			} else {
+				DRM_SYSCTL_PRINT("      0x%08lx\n", i);
+			}
+		}
+	}
+	
+	SYSCTL_OUT(req, "", 1);
+	return 0;
+}
+
+static int DRM(vma_info)DRM_SYSCTL_HANDLER_ARGS
+{
+	drm_device_t *dev = arg1;
+	int	     ret;
+
+	DRM_OS_LOCK;
+	ret = DRM(_vma_info)(oidp, arg1, arg2, req);
+	DRM_OS_UNLOCK;
+	return ret;
+}
+#endif
+
+
+#if DRM_DMA_HISTOGRAM
+static int DRM(_histo_info)DRM_SYSCTL_HANDLER_ARGS
+{
+	drm_device_t	 *dev = arg1;
+	drm_device_dma_t *dma = dev->dma;
+	int		 i;
+	unsigned long	 slot_value = DRM_DMA_HISTOGRAM_INITIAL;
+	unsigned long	 prev_value = 0;
+	drm_buf_t	 *buffer;
+	char		 buf[128];
+	int              error;
+
+	DRM_SYSCTL_PRINT("general statistics:\n");
+	DRM_SYSCTL_PRINT("total	 %10u\n", atomic_read(&dev->histo.total));
+	DRM_SYSCTL_PRINT("open	 %10u\n", atomic_read(&dev->total_open));
+	DRM_SYSCTL_PRINT("close	 %10u\n", atomic_read(&dev->total_close));
+	DRM_SYSCTL_PRINT("ioctl	 %10u\n", atomic_read(&dev->total_ioctl));
+	DRM_SYSCTL_PRINT("irq	 %10u\n", atomic_read(&dev->total_irq));
+	DRM_SYSCTL_PRINT("ctx	 %10u\n", atomic_read(&dev->total_ctx));
+	
+	DRM_SYSCTL_PRINT("\nlock statistics:\n");
+	DRM_SYSCTL_PRINT("locks	 %10u\n", atomic_read(&dev->total_locks));
+	DRM_SYSCTL_PRINT("unlocks	 %10u\n", atomic_read(&dev->total_unlocks));
+	DRM_SYSCTL_PRINT("contends %10u\n", atomic_read(&dev->total_contends));
+	DRM_SYSCTL_PRINT("sleeps	 %10u\n", atomic_read(&dev->total_sleeps));
+
+
+	if (dma) {
+		DRM_SYSCTL_PRINT("\ndma statistics:\n");
+		DRM_SYSCTL_PRINT("prio	 %10u\n",
+			       atomic_read(&dma->total_prio));
+		DRM_SYSCTL_PRINT("bytes	 %10u\n",
+			       atomic_read(&dma->total_bytes));
+		DRM_SYSCTL_PRINT("dmas	 %10u\n",
+			       atomic_read(&dma->total_dmas));
+		DRM_SYSCTL_PRINT("missed:\n");
+		DRM_SYSCTL_PRINT("  dma	 %10u\n",
+			       atomic_read(&dma->total_missed_dma));
+		DRM_SYSCTL_PRINT("  lock	 %10u\n",
+			       atomic_read(&dma->total_missed_lock));
+		DRM_SYSCTL_PRINT("  free	 %10u\n",
+			       atomic_read(&dma->total_missed_free));
+		DRM_SYSCTL_PRINT("  sched	 %10u\n",
+			       atomic_read(&dma->total_missed_sched));
+		DRM_SYSCTL_PRINT("tried	 %10u\n",
+			       atomic_read(&dma->total_tried));
+		DRM_SYSCTL_PRINT("hit	 %10u\n",
+			       atomic_read(&dma->total_hit));
+		DRM_SYSCTL_PRINT("lost	 %10u\n",
+			       atomic_read(&dma->total_lost));
+		
+		buffer = dma->next_buffer;
+		if (buffer) {
+			DRM_SYSCTL_PRINT("next_buffer %7d\n", buffer->idx);
+		} else {
+			DRM_SYSCTL_PRINT("next_buffer    none\n");
+		}
+		buffer = dma->this_buffer;
+		if (buffer) {
+			DRM_SYSCTL_PRINT("this_buffer %7d\n", buffer->idx);
+		} else {
+			DRM_SYSCTL_PRINT("this_buffer    none\n");
+		}
+	}
+	
+
+	DRM_SYSCTL_PRINT("\nvalues:\n");
+	if (dev->lock.hw_lock) {
+		DRM_SYSCTL_PRINT("lock	       0x%08x\n",
+			       dev->lock.hw_lock->lock);
+	} else {
+		DRM_SYSCTL_PRINT("lock		     none\n");
+	}
+	DRM_SYSCTL_PRINT("context_flag   0x%08x\n", dev->context_flag);
+	DRM_SYSCTL_PRINT("interrupt_flag 0x%08x\n", dev->interrupt_flag);
+	DRM_SYSCTL_PRINT("dma_flag       0x%08x\n", dev->dma_flag);
+
+	DRM_SYSCTL_PRINT("queue_count    %10d\n",	 dev->queue_count);
+	DRM_SYSCTL_PRINT("last_context   %10d\n",	 dev->last_context);
+	DRM_SYSCTL_PRINT("last_switch    %10u\n",	 dev->last_switch);
+	DRM_SYSCTL_PRINT("last_checked   %10d\n",	 dev->last_checked);
+		
+	
+	DRM_SYSCTL_PRINT("\n		       q2d	  d2c	     c2f"
+		       "	q2c	   q2f	      dma	 sch"
+		       "	ctx	  lacq	     lhld\n\n");
+	for (i = 0; i < DRM_DMA_HISTOGRAM_SLOTS; i++) {
+		DRM_SYSCTL_PRINT("%s %10lu %10u %10u %10u %10u %10u"
+			       " %10u %10u %10u %10u %10u\n",
+			       i == DRM_DMA_HISTOGRAM_SLOTS - 1 ? ">=" : "< ",
+			       i == DRM_DMA_HISTOGRAM_SLOTS - 1
+			       ? prev_value : slot_value ,
+			       
+			       atomic_read(&dev->histo
+					   .queued_to_dispatched[i]),
+			       atomic_read(&dev->histo
+					   .dispatched_to_completed[i]),
+			       atomic_read(&dev->histo
+					   .completed_to_freed[i]),
+			       
+			       atomic_read(&dev->histo
+					   .queued_to_completed[i]),
+			       atomic_read(&dev->histo
+					   .queued_to_freed[i]),
+			       atomic_read(&dev->histo.dma[i]),
+			       atomic_read(&dev->histo.schedule[i]),
+			       atomic_read(&dev->histo.ctx[i]),
+			       atomic_read(&dev->histo.lacq[i]),
+			       atomic_read(&dev->histo.lhld[i]));
+		prev_value = slot_value;
+		slot_value = DRM_DMA_HISTOGRAM_NEXT(slot_value);
+	}
+	SYSCTL_OUT(req, "", 1);
+	return 0;
+}
+
+static int DRM(histo_info)DRM_SYSCTL_HANDLER_ARGS
+{
+	drm_device_t *dev = arg1;
+	int	     ret;
+
+	DRM_OS_LOCK;
+	ret = _drm_histo_info(oidp, arg1, arg2, req);
+	DRM_OS_UNLOCK;
+	return ret;
+}
+#endif
diff --git a/bsd/drm_vm.h b/bsd/drm_vm.h
new file mode 100644
index 00000000..a06fb448
--- /dev/null
+++ b/bsd/drm_vm.h
@@ -0,0 +1,81 @@
+#include <vm/vm.h>
+#include <vm/pmap.h>
+
+static int DRM(dma_mmap)(dev_t kdev, vm_offset_t offset, int prot)
+{
+	drm_device_t	 *dev	 = kdev->si_drv1;
+	drm_device_dma_t *dma	 = dev->dma;
+	unsigned long	 physical;
+	unsigned long	 page;
+
+	if (!dma)		   return -1; /* Error */
+	if (!dma->pagelist)	   return -1; /* Nothing allocated */
+
+	page	 = offset >> PAGE_SHIFT;
+	physical = dma->pagelist[page];
+
+	DRM_DEBUG("0x%08x (page %lu) => 0x%08lx\n", offset, page, physical);
+	return atop(physical);
+}
+
+int DRM(mmap)(dev_t kdev, vm_offset_t offset, int prot)
+{
+	drm_device_t	*dev	= kdev->si_drv1;
+	drm_map_t	*map	= NULL;
+	drm_map_list_entry_t *listentry=NULL;
+	/*drm_file_t *priv;*/
+
+/*	DRM_DEBUG("offset = 0x%x\n", offset);*/
+
+	/*XXX Fixme */
+	/*priv = DRM(find_file_by_proc)(dev, p);
+	if (!priv) {
+		DRM_DEBUG("can't find authenticator\n");
+		return EINVAL;
+	}
+
+	if (!priv->authenticated) DRM_OS_RETURN(EACCES);*/
+
+	if (dev->dma
+	    && offset >= 0
+	    && offset < ptoa(dev->dma->page_count))
+		return DRM(dma_mmap)(kdev, offset, prot);
+
+				/* A sequential search of a linked list is
+				   fine here because: 1) there will only be
+				   about 5-10 entries in the list and, 2) a
+				   DRI client only has to do this mapping
+				   once, so it doesn't have to be optimized
+				   for performance, even if the list was a
+				   bit longer. */
+	TAILQ_FOREACH(listentry, dev->maplist, link) {
+		map = listentry->map;
+/*		DRM_DEBUG("considering 0x%x..0x%x\n", map->offset, map->offset + map->size - 1);*/
+		if (offset >= map->offset
+		    && offset < map->offset + map->size) break;
+	}
+	
+	if (!listentry) {
+		DRM_DEBUG("can't find map\n");
+		return -1;
+	}
+	if (((map->flags&_DRM_RESTRICTED) && suser(curproc))) {
+		DRM_DEBUG("restricted map\n");
+		return -1;
+	}
+
+	switch (map->type) {
+	case _DRM_FRAME_BUFFER:
+	case _DRM_REGISTERS:
+	case _DRM_AGP:
+		return atop(offset);
+	case _DRM_SHM:
+		return atop(vtophys(offset));
+	default:
+		return -1;	/* This should never happen. */
+	}
+	DRM_DEBUG("bailing out\n");
+	
+	return -1;
+}
+
diff --git a/bsd/gamma/Makefile b/bsd/gamma/Makefile
index 37f3f5e7..97bb1b69 100644
--- a/bsd/gamma/Makefile
+++ b/bsd/gamma/Makefile
@@ -1,10 +1,10 @@
 # $FreeBSD$
 
 KMOD	= gamma
+NOMAN=	YES
 SRCS    = gamma_drv.c gamma_dma.c
-SRCS   += device_if.h bus_if.h pci_if.h
+SRCS   += device_if.h bus_if.h pci_if.h opt_drm_linux.h
 CFLAGS += ${DEBUG_FLAGS} -I. -I..
-KMODDEPS = drm
 
 @:
 	ln -sf /sys @
@@ -12,4 +12,14 @@ KMODDEPS = drm
 machine:
 	ln -sf /sys/i386/include machine
 
+.if ${MACHINE_ARCH} == "i386"
+# This line enables linux ioctl handling
+# If you want support for this uncomment this line
+#TDFX_OPTS=     "\#define DRM_LINUX" 1
+.endif
+
+opt_drm_linux.h:
+	touch opt_drm_linux.h
+	echo $(TDFX_OPTS) >> opt_drm_linux.h
+
 .include <bsd.kmod.mk>
diff --git a/bsd/i810_drm.h b/bsd/i810_drm.h
index 4c8e09f6..f2114dd1 100644
--- a/bsd/i810_drm.h
+++ b/bsd/i810_drm.h
@@ -98,8 +98,13 @@ typedef struct _drm_i810_init {
 		I810_INIT_DMA = 0x01,
 		I810_CLEANUP_DMA = 0x02
 	} func;
+#if CONFIG_XFREE86_VERSION < XFREE86_VERSION(4,1,0,0)
 	int ring_map_idx;
 	int buffer_map_idx;
+#else
+	unsigned int mmio_offset;
+	unsigned int buffers_offset;
+#endif
 	int sarea_priv_offset;
 	unsigned int ring_start;
 	unsigned int ring_end;
@@ -107,6 +112,8 @@ typedef struct _drm_i810_init {
 	unsigned int front_offset;
 	unsigned int back_offset;
 	unsigned int depth_offset;
+	unsigned int overlay_offset;
+	unsigned int overlay_physical;
 	unsigned int w;
 	unsigned int h;
 	unsigned int pitch;
@@ -178,6 +185,12 @@ typedef struct _drm_i810_vertex {
 	int discard;		/* client is finished with the buffer? */
 } drm_i810_vertex_t;
 
+typedef struct _drm_i810_copy_t {
+   	int idx;		/* buffer index */
+	int used;		/* nr bytes in use */
+	void *address;		/* Address to copy from */
+} drm_i810_copy_t;
+
 typedef struct drm_i810_dma {
 	void *virtual;
 	int request_idx;
diff --git a/bsd/mga/Makefile b/bsd/mga/Makefile
new file mode 100644
index 00000000..bbaeaa56
--- /dev/null
+++ b/bsd/mga/Makefile
@@ -0,0 +1,25 @@
+# $FreeBSD$
+
+KMOD= 	mga
+NOMAN=	YES
+SRCS=		mga_drv.c mga_state.c mga_warp.c mga_dma.c
+SRCS+=	device_if.h bus_if.h pci_if.h opt_drm_linux.h
+CFLAGS+=	${DEBUG_FLAGS} -I. -I..
+
+@:
+	ln -sf /sys @
+
+machine:
+	ln -sf /sys/i386/include machine
+
+.if ${MACHINE_ARCH} == "i386"
+# This line enables linux ioctl handling
+# If you want support for this uncomment this line
+#MGA_OPTS=     "\#define DRM_LINUX" 1
+.endif
+
+opt_drm_linux.h:
+	touch opt_drm_linux.h
+	echo $(MGA_OPTS) >> opt_drm_linux.h
+
+.include <bsd.kmod.mk>
diff --git a/bsd/mga/mga_dma.c b/bsd/mga/mga_dma.c
index 85c29df7..9ed5d095 100644
--- a/bsd/mga/mga_dma.c
+++ b/bsd/mga/mga_dma.c
@@ -1,4 +1,4 @@
-/* mga_dma.c -- DMA support for mga g200/g400
+/* mga_dma.c -- DMA support for mga g200/g400 -*- linux-c -*-
  * Created: Mon Dec 13 01:50:01 1999 by jhartmann@precisioninsight.com
  *
  * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
@@ -11,11 +11,11 @@
  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  * and/or sell copies of the Software, and to permit persons to whom the
  * Software is furnished to do so, subject to the following conditions:
- * 
+ *
  * The above copyright notice and this permission notice (including the next
  * paragraph) shall be included in all copies or substantial portions of the
  * Software.
- * 
+ *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
@@ -24,1054 +24,796 @@
  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  * DEALINGS IN THE SOFTWARE.
  *
- * Authors: Rickard E. (Rik) Faith <faith@valinux.com>
- *	    Jeff Hartmann <jhartmann@valinux.com>
- *	    Keith Whitwell <keithw@valinux.com>
+ * Authors:
+ *    Rickard E. (Rik) Faith <faith@valinux.com>
+ *    Jeff Hartmann <jhartmann@valinux.com>
+ *    Keith Whitwell <keithw@valinux.com>
  *
+ * Rewritten by:
+ *    Gareth Hughes <gareth@valinux.com>
  */
 
 #define __NO_VERSION__
+#include "mga.h"
 #include "drmP.h"
 #include "mga_drv.h"
 
-#include <machine/bus.h>
-#include <machine/resource.h>
-#include <sys/rman.h>
-#include <vm/vm.h>
-#include <vm/pmap.h>
 
-#define MGA_REG(reg)		2
-#define MGA_BASE(reg)		((unsigned long) \
-				((drm_device_t *)dev)->maplist[MGA_REG(reg)]->handle)
-#define MGA_ADDR(reg)		(MGA_BASE(reg) + reg)
-#define MGA_DEREF(reg)		*(__volatile__ int *)MGA_ADDR(reg)
-#define MGA_READ(reg)		MGA_DEREF(reg)
-#define MGA_WRITE(reg,val) 	do { MGA_DEREF(reg) = val; } while (0)
+#define MGA_DEFAULT_USEC_TIMEOUT	10000
+#define MGA_FREELIST_DEBUG		0
 
-#define PDEA_pagpxfer_enable 	     0x2
 
-static int mga_flush_queue(drm_device_t *dev);
+/* ================================================================
+ * Engine control
+ */
 
-static unsigned long mga_alloc_page(drm_device_t *dev)
+int mga_do_wait_for_idle( drm_mga_private_t *dev_priv )
 {
-	unsigned long address;
-   
-	DRM_DEBUG("%s\n", __FUNCTION__);
+	u32 status = 0;
+	int i;
+	DRM_DEBUG( "%s\n", __FUNCTION__ );
 
-	address = (unsigned long) drm_alloc(PAGE_SIZE, DRM_MEM_DMA);
-	if(address == 0UL) {
-		return 0;
+	for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) {
+		status = MGA_READ( MGA_STATUS ) & MGA_ENGINE_IDLE_MASK;
+		if ( status == MGA_ENDPRDMASTS ) {
+			MGA_WRITE8( MGA_CRTC_INDEX, 0 );
+			return 0;
+		}
+		DRM_OS_DELAY( 1 );
 	}
-   
-	return address;
+
+#if MGA_DMA_DEBUG
+	DRM_ERROR( "failed!\n" );
+	DRM_INFO( "   status=0x%08x\n", status );
+#endif
+	DRM_OS_RETURN(EBUSY);
 }
 
-static void mga_free_page(drm_device_t *dev, unsigned long page)
+int mga_do_dma_idle( drm_mga_private_t *dev_priv )
 {
-	DRM_DEBUG("%s\n", __FUNCTION__);
+	u32 status = 0;
+	int i;
+	DRM_DEBUG( "%s\n", __FUNCTION__ );
 
-	if(page == 0UL) {
-		return;
+	for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) {
+		status = MGA_READ( MGA_STATUS ) & MGA_DMA_IDLE_MASK;
+		if ( status == MGA_ENDPRDMASTS ) return 0;
+		DRM_OS_DELAY( 1 );
 	}
-	drm_free((void *) page, PAGE_SIZE, DRM_MEM_DMA);
-	return;
-}
 
-static void mga_delay(void)
-{
-   	return;
+#if MGA_DMA_DEBUG
+	DRM_ERROR( "failed! status=0x%08x\n", status );
+#endif
+	DRM_OS_RETURN(EBUSY);
 }
 
-void mga_flush_write_combine(void)
+int mga_do_dma_reset( drm_mga_private_t *dev_priv )
 {
-   	int xchangeDummy;
-	DRM_DEBUG("%s\n", __FUNCTION__);
+	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
+	drm_mga_primary_buffer_t *primary = &dev_priv->prim;
 
-   	__asm__ volatile(" push %%eax ; xchg %%eax, %0 ; pop %%eax" : : "m" (xchangeDummy));
-   	__asm__ volatile(" push %%eax ; push %%ebx ; push %%ecx ; push %%edx ;"
-			 " movl $0,%%eax ; cpuid ; pop %%edx ; pop %%ecx ; pop %%ebx ;"
-			 " pop %%eax" : /* no outputs */ :  /* no inputs */ );
-}
+	DRM_DEBUG( "%s\n", __FUNCTION__ );
 
-/* These are two age tags that will never be sent to
- * the hardware */
-#define MGA_BUF_USED 	0xffffffff
-#define MGA_BUF_FREE	0
+	/* The primary DMA stream should look like new right about now.
+	 */
+	primary->tail = 0;
+	primary->space = primary->size;
+	primary->last_flush = 0;
 
-static int mga_freelist_init(drm_device_t *dev)
-{
-      	drm_device_dma_t *dma = dev->dma;
-   	drm_buf_t *buf;
-   	drm_mga_buf_priv_t *buf_priv;
-      	drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private;
-   	drm_mga_freelist_t *item;
-   	int i;
-
-	DRM_DEBUG("%s\n", __FUNCTION__);
-
-   	dev_priv->head = drm_alloc(sizeof(drm_mga_freelist_t), DRM_MEM_DRIVER);
-	if(dev_priv->head == NULL) return ENOMEM;
-   	memset(dev_priv->head, 0, sizeof(drm_mga_freelist_t));
-   	dev_priv->head->age = MGA_BUF_USED;
-   
-   	for (i = 0; i < dma->buf_count; i++) {
-	   	buf = dma->buflist[ i ];
-	        buf_priv = buf->dev_private;
-		item = drm_alloc(sizeof(drm_mga_freelist_t),
-				 DRM_MEM_DRIVER);
-	   	if(item == NULL) return ENOMEM;
-	   	memset(item, 0, sizeof(drm_mga_freelist_t));
-	  	item->age = MGA_BUF_FREE;
-	   	item->prev = dev_priv->head;
-	   	item->next = dev_priv->head->next;
-	   	if(dev_priv->head->next != NULL)
-			dev_priv->head->next->prev = item;
-	   	if(item->next == NULL) dev_priv->tail = item;
-	   	item->buf = buf;
-	   	buf_priv->my_freelist = item;
-		buf_priv->discard = 0;
-	   	dev_priv->head->next = item;
-	}
-   
-   	return 0;
-}
+	sarea_priv->last_wrap = 0;
 
-static void mga_freelist_cleanup(drm_device_t *dev)
-{
-      	drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private;
-   	drm_mga_freelist_t *item;
-   	drm_mga_freelist_t *prev;
+	/* FIXME: Reset counters, buffer ages etc...
+	 */
 
-	DRM_DEBUG("%s\n", __FUNCTION__);
+	/* FIXME: What else do we need to reinitialize?  WARP stuff?
+	 */
 
-   	item = dev_priv->head;
-   	while(item) {
-	   	prev = item;
-	   	item = item->next;
-	   	drm_free(prev, sizeof(drm_mga_freelist_t), DRM_MEM_DRIVER);
-	}
-   
-   	dev_priv->head = dev_priv->tail = NULL;
+	return 0;
 }
 
-/* Frees dispatch lock */
-static __inline void mga_dma_quiescent(drm_device_t *dev)
+int mga_do_engine_reset( drm_mga_private_t *dev_priv )
 {
-	drm_device_dma_t  *dma      = dev->dma;
-	drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private;
-	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
-   	unsigned long end;
-	int i;
+	DRM_DEBUG( "%s\n", __FUNCTION__ );
 
-	DRM_DEBUG("%s\n", __FUNCTION__);
-	end = ticks + (hz*3);
-    	while(1) {
-		if(!test_and_set_bit(MGA_IN_DISPATCH, 
-				     &dev_priv->dispatch_status)) {
-			break;
-		}
-	   	if((signed)(end - ticks) <= 0) {
-			DRM_ERROR("irqs: %d wanted %d\n", 
-				  atomic_read(&dev->total_irq), 
-				  atomic_read(&dma->total_lost));
-			DRM_ERROR("lockup\n"); 
-			return;
-		}
-		for (i = 0 ; i < 2000 ; i++) mga_delay();
-	}
-	end = ticks + (hz*3);
-    	DRM_DEBUG("quiescent status : %x\n", MGA_READ(MGAREG_STATUS));
-    	while((MGA_READ(MGAREG_STATUS) & 0x00030001) != 0x00020000) {
-		if((signed)(end - ticks) <= 0) {
-			DRM_ERROR("irqs: %d wanted %d\n", 
-				  atomic_read(&dev->total_irq), 
-				  atomic_read(&dma->total_lost));
-			DRM_ERROR("lockup\n"); 
-			clear_bit(MGA_IN_DISPATCH, &dev_priv->dispatch_status);
-			return;
-		}
-		for (i = 0 ; i < 2000 ; i++) mga_delay();	  
-	}
-    	sarea_priv->dirty |= MGA_DMA_FLUSH;
+	/* Okay, so we've completely screwed up and locked the engine.
+	 * How about we clean up after ourselves?
+	 */
+	MGA_WRITE( MGA_RST, MGA_SOFTRESET );
+	DRM_OS_DELAY( 15 );		/* Wait at least 10 usecs */
+	MGA_WRITE( MGA_RST, 0 );
+
+	/* Initialize the registers that get clobbered by the soft
+	 * reset.  Many of the core register values survive a reset,
+	 * but the drawing registers are basically all gone.
+	 *
+	 * 3D clients should probably die after calling this.  The X
+	 * server should reset the engine state to known values.
+	 */
+#if 0
+	MGA_WRITE( MGA_PRIMPTR,
+		   virt_to_bus((void *)dev_priv->prim.status_page) |
+		   MGA_PRIMPTREN0 |
+		   MGA_PRIMPTREN1 );
+#endif
 
-    	clear_bit(MGA_IN_DISPATCH, &dev_priv->dispatch_status);
-	DRM_DEBUG("exit, dispatch_status = 0x%02x\n",dev_priv->dispatch_status);
-}
+	MGA_WRITE( MGA_ICLEAR, MGA_SOFTRAPICLR );
+	MGA_WRITE( MGA_IEN,    MGA_SOFTRAPIEN );
 
-static void mga_reset_freelist(drm_device_t *dev)
-{
-   	drm_device_dma_t  *dma      = dev->dma;
-   	drm_buf_t *buf;
-   	drm_mga_buf_priv_t *buf_priv;
-	int i;
+	/* The primary DMA stream should look like new right about now.
+	 */
+	mga_do_dma_reset( dev_priv );
 
-   	for (i = 0; i < dma->buf_count; i++) {
-	   	buf = dma->buflist[ i ];
-	        buf_priv = buf->dev_private;
-		buf_priv->my_freelist->age = MGA_BUF_FREE;
-	}
+	/* This bad boy will never fail.
+	 */
+	return 0;
 }
 
-/* Least recently used :
- * These operations are not atomic b/c they are protected by the 
- * hardware lock */
 
-drm_buf_t *mga_freelist_get(drm_device_t *dev)
+/* ================================================================
+ * Primary DMA stream
+ */
+
+void mga_do_dma_flush( drm_mga_private_t *dev_priv )
 {
-   	drm_mga_private_t *dev_priv = 
-     		(drm_mga_private_t *) dev->dev_private;
-	drm_mga_freelist_t *prev;
-   	drm_mga_freelist_t *next;
-	static int failed = 0;
-	int ret, s;
-
-	DRM_DEBUG("%s : tail->age : %d last_prim_age : %d\n", __FUNCTION__,
-	       dev_priv->tail->age, dev_priv->last_prim_age);
-   
-	if(failed >= 1000 && dev_priv->tail->age >= dev_priv->last_prim_age) {
-		DRM_DEBUG("I'm waiting on the freelist!!! %d\n", 
-		       dev_priv->last_prim_age);
-		s = splsofttq();
-	   	set_bit(MGA_IN_GETBUF, &dev_priv->dispatch_status);
-	   	for (;;) {
-		   	mga_dma_schedule(dev, 0);
-/*		   	if(!test_bit(MGA_IN_GETBUF, 
-				     &dev_priv->dispatch_status)) */
-			if(dev_priv->tail->age < dev_priv->last_prim_age)
-				break;
-		   	atomic_inc(&dev->total_sleeps);
-			ret = tsleep(&dev_priv->buf_queue, PZERO|PCATCH,
-				     "mgafg", 0);
-			if (ret == EINTR) {
-				clear_bit(MGA_IN_GETBUF,
-					  &dev_priv->dispatch_status);
-				break;
-			}
-		}
-		splx(s);
-		clear_bit(MGA_IN_GETBUF, &dev_priv->dispatch_status);
-		if (ret) return NULL;
-	}
-   
-   	if(dev_priv->tail->age < dev_priv->last_prim_age) {
-		prev = dev_priv->tail->prev;
-	   	next = dev_priv->tail;
-	   	prev->next = NULL;
-	   	next->prev = next->next = NULL;
-	   	dev_priv->tail = prev;
-	   	next->age = MGA_BUF_USED;
-		failed = 0;
-	   	return next->buf;
+	drm_mga_primary_buffer_t *primary = &dev_priv->prim;
+	u32 head, tail;
+	DMA_LOCALS;
+	DRM_DEBUG( "%s:\n", __FUNCTION__ );
+
+	if ( primary->tail == primary->last_flush ) {
+		DRM_DEBUG( "   bailing out...\n" );
+		return;
 	}
 
-	failed++;
-   	return NULL;
-}
+	tail = primary->tail + dev_priv->primary->offset;
 
-int mga_freelist_put(drm_device_t *dev, drm_buf_t *buf)
-{
-      	drm_mga_private_t *dev_priv = 
-     		(drm_mga_private_t *) dev->dev_private;
-   	drm_mga_buf_priv_t *buf_priv = buf->dev_private;
-	drm_mga_freelist_t *prev;
-   	drm_mga_freelist_t *head;
-   	drm_mga_freelist_t *next;
+	/* We need to pad the stream between flushes, as the card
+	 * actually (partially?) reads the first of these commands.
+	 * See page 4-16 in the G400 manual, middle of the page or so.
+	 */
+	BEGIN_DMA( 1 );
 
-	DRM_DEBUG("%s\n", __FUNCTION__);
+	DMA_BLOCK( MGA_DMAPAD,  0x00000000,
+		   MGA_DMAPAD,  0x00000000,
+		   MGA_DMAPAD,  0x00000000,
+		   MGA_DMAPAD,	0x00000000 );
 
-   	if(buf_priv->my_freelist->age == MGA_BUF_USED) {
-		/* Discarded buffer, put it on the tail */
-		next = buf_priv->my_freelist;
-		next->age = MGA_BUF_FREE;
-		prev = dev_priv->tail;
-		prev->next = next;
-		next->prev = prev;
-		next->next = NULL;
-		dev_priv->tail = next;
-		DRM_DEBUG("Discarded\n");
+	ADVANCE_DMA();
+
+	primary->last_flush = primary->tail;
+
+	head = MGA_READ( MGA_PRIMADDRESS );
+
+	if ( head <= tail ) {
+		primary->space = primary->size - primary->tail;
 	} else {
-		/* Normally aged buffer, put it on the head + 1,
-		 * as the real head is a sentinal element
-		 */
-		next = buf_priv->my_freelist;
-		head = dev_priv->head;
-		prev = head->next;
-		head->next = next;
-		prev->prev = next;
-		next->prev = head;
-		next->next = prev;
+		primary->space = head - tail;
 	}
-   
-   	return 0;
-}
 
-static int mga_init_primary_bufs(drm_device_t *dev, drm_mga_init_t *init)
-{
-   	drm_mga_private_t *dev_priv = dev->dev_private;
-	drm_mga_prim_buf_t *prim_buffer;
-   	int i, temp, size_of_buf;
-   	int offset = init->reserved_map_agpstart;
-
-	DRM_DEBUG("%s\n", __FUNCTION__);
-   	dev_priv->primary_size = ((init->primary_size + PAGE_SIZE - 1) / 
-				  PAGE_SIZE) * PAGE_SIZE;
-   	size_of_buf = dev_priv->primary_size / MGA_NUM_PRIM_BUFS;
-	dev_priv->warp_ucode_size = init->warp_ucode_size;
-   	dev_priv->prim_bufs = drm_alloc(sizeof(drm_mga_prim_buf_t *) * 
-					(MGA_NUM_PRIM_BUFS + 1), 
-					DRM_MEM_DRIVER);
-   	if(dev_priv->prim_bufs == NULL) {
-		DRM_ERROR("Unable to allocate memory for prim_buf\n");
-		return ENOMEM;
-	}
-   	memset(dev_priv->prim_bufs, 
-	       0, sizeof(drm_mga_prim_buf_t *) * (MGA_NUM_PRIM_BUFS + 1));
-   
-   	temp = init->warp_ucode_size + dev_priv->primary_size;
-	temp = ((temp + PAGE_SIZE - 1) / PAGE_SIZE) * PAGE_SIZE;
-	   
-	dev_priv->ioremap = drm_ioremap(dev->agp->base + offset, 
-					temp);
-	if(dev_priv->ioremap == NULL) {
-		DRM_DEBUG("Ioremap failed\n");
-		return ENOMEM;
-	}
-   	dev_priv->wait_queue = 0;
-   
-   	for(i = 0; i < MGA_NUM_PRIM_BUFS; i++) {
-	   	prim_buffer = drm_alloc(sizeof(drm_mga_prim_buf_t), 
-					DRM_MEM_DRIVER);
-	   	if(prim_buffer == NULL) return ENOMEM;
-	   	memset(prim_buffer, 0, sizeof(drm_mga_prim_buf_t));
-	   	prim_buffer->phys_head = offset + dev->agp->base;
-	   	prim_buffer->current_dma_ptr = 
-			prim_buffer->head = 
-			(u_int32_t *) (dev_priv->ioremap + 
-				       offset - 
-				       init->reserved_map_agpstart);
-	   	prim_buffer->num_dwords = 0;
-	   	prim_buffer->max_dwords = size_of_buf / sizeof(u_int32_t);
-	   	prim_buffer->max_dwords -= 5; /* Leave room for the softrap */
-	   	prim_buffer->sec_used = 0;
-	   	prim_buffer->idx = i;
-		prim_buffer->prim_age = i + 1;
-	   	offset = offset + size_of_buf;
-	   	dev_priv->prim_bufs[i] = prim_buffer;
-	}
-	dev_priv->current_prim_idx = 0;
-        dev_priv->next_prim = 
-		dev_priv->last_prim = 
-		dev_priv->current_prim =
-        	dev_priv->prim_bufs[0];
-	dev_priv->next_prim_age = 2;	
-	dev_priv->last_prim_age = 1;
-   	set_bit(MGA_BUF_IN_USE, &dev_priv->current_prim->buffer_status);
-   	return 0;
+	DRM_DEBUG( "   head = 0x%06lx\n", head - dev_priv->primary->offset );
+	DRM_DEBUG( "   tail = 0x%06lx\n", tail - dev_priv->primary->offset );
+	DRM_DEBUG( "  space = 0x%06x\n", primary->space );
+
+	mga_flush_write_combine();
+	MGA_WRITE( MGA_PRIMEND, tail | MGA_PAGPXFER );
+
+	DRM_DEBUG( "%s: done.\n", __FUNCTION__ );
 }
 
-static void mga_fire_primary(drm_device_t *dev, drm_mga_prim_buf_t *prim)
+void mga_do_dma_wrap_start( drm_mga_private_t *dev_priv )
 {
-       	drm_mga_private_t *dev_priv = dev->dev_private;
-      	drm_device_dma_t  *dma	    = dev->dma;
-       	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- 	int use_agp = PDEA_pagpxfer_enable;
-	unsigned long end;
-   	int i;
-   	int next_idx;
-       	PRIMLOCALS;
-
-   	DRM_DEBUG("%s\n", __FUNCTION__);
-   	dev_priv->last_prim = prim;
-   
- 	/* We never check for overflow, b/c there is always room */
-    	PRIMPTR(prim);
-   	if(num_dwords <= 0) {
-		DRM_DEBUG("num_dwords == 0 when dispatched\n");
-		goto out_prim_wait;
-	}
- 	PRIMOUTREG( MGAREG_DMAPAD, 0);
- 	PRIMOUTREG( MGAREG_DMAPAD, 0);
-       	PRIMOUTREG( MGAREG_DMAPAD, 0);
-   	PRIMOUTREG( MGAREG_SOFTRAP, 0);
-    	PRIMFINISH(prim);
-
-	end = ticks + (hz*3);
-    	if(sarea_priv->dirty & MGA_DMA_FLUSH) {
-		DRM_DEBUG("Dma top flush\n");	   
-		while((MGA_READ(MGAREG_STATUS) & 0x00030001) != 0x00020000) {
-			if((signed)(end - ticks) <= 0) {
-				DRM_ERROR("irqs: %d wanted %d\n", 
-					  atomic_read(&dev->total_irq), 
-					  atomic_read(&dma->total_lost));
-				DRM_ERROR("lockup in fire primary "
-					  "(Dma Top Flush)\n");
-				goto out_prim_wait;
-			}
-	      
-			for (i = 0 ; i < 4096 ; i++) mga_delay();
-		}
-		sarea_priv->dirty &= ~(MGA_DMA_FLUSH);
+	drm_mga_primary_buffer_t *primary = &dev_priv->prim;
+	u32 head, tail;
+	DMA_LOCALS;
+	DRM_DEBUG( "%s:\n", __FUNCTION__ );
+
+	BEGIN_DMA_WRAP();
+
+	DMA_BLOCK( MGA_DMAPAD,	0x00000000,
+		   MGA_DMAPAD,	0x00000000,
+		   MGA_DMAPAD,	0x00000000,
+		   MGA_DMAPAD,	0x00000000 );
+
+	ADVANCE_DMA();
+
+	tail = primary->tail + dev_priv->primary->offset;
+
+	primary->tail = 0;
+	primary->last_flush = 0;
+	primary->last_wrap++;
+
+	head = MGA_READ( MGA_PRIMADDRESS );
+
+	if ( head == dev_priv->primary->offset ) {
+		primary->space = primary->size;
 	} else {
-		DRM_DEBUG("Status wait\n");
-		while((MGA_READ(MGAREG_STATUS) & 0x00020001) != 0x00020000) {
-			if((signed)(end - ticks) <= 0) {
-				DRM_ERROR("irqs: %d wanted %d\n", 
-					  atomic_read(&dev->total_irq), 
-					  atomic_read(&dma->total_lost));
-				DRM_ERROR("lockup in fire primary "
-					  "(Status Wait)\n");
-				goto out_prim_wait;
-			}
-	   
-			for (i = 0 ; i < 4096 ; i++) mga_delay();
-		}
+		primary->space = head - dev_priv->primary->offset;
 	}
 
-   	mga_flush_write_combine();
-    	atomic_inc(&dev_priv->pending_bufs);
-       	MGA_WRITE(MGAREG_PRIMADDRESS, phys_head | TT_GENERAL);
- 	MGA_WRITE(MGAREG_PRIMEND, (phys_head + num_dwords * 4) | use_agp);
-   	prim->num_dwords = 0;
-	sarea_priv->last_enqueue = prim->prim_age;
-    
-   	next_idx = prim->idx + 1;
-    	if(next_idx >= MGA_NUM_PRIM_BUFS) 
-		next_idx = 0;
-
-    	dev_priv->next_prim = dev_priv->prim_bufs[next_idx];
-	return;
-
- out_prim_wait:
-	prim->num_dwords = 0;
-	prim->sec_used = 0;
-	clear_bit(MGA_BUF_IN_USE, &prim->buffer_status);
-   	wakeup(&dev_priv->wait_queue);
-	clear_bit(MGA_BUF_SWAP_PENDING, &prim->buffer_status);
-	clear_bit(MGA_IN_DISPATCH, &dev_priv->dispatch_status);
+	DRM_DEBUG( "   head = 0x%06lx\n",
+		  head - dev_priv->primary->offset );
+	DRM_DEBUG( "   tail = 0x%06x\n", primary->tail );
+	DRM_DEBUG( "   wrap = %d\n", primary->last_wrap );
+	DRM_DEBUG( "  space = 0x%06x\n", primary->space );
+
+	mga_flush_write_combine();
+	MGA_WRITE( MGA_PRIMEND, tail | MGA_PAGPXFER );
+
+	set_bit( 0, &primary->wrapped );
+	DRM_DEBUG( "%s: done.\n", __FUNCTION__ );
 }
 
-int mga_advance_primary(drm_device_t *dev)
+void mga_do_dma_wrap_end( drm_mga_private_t *dev_priv )
 {
-   	drm_mga_private_t *dev_priv = dev->dev_private;
-   	drm_mga_prim_buf_t *prim_buffer;
-   	drm_device_dma_t  *dma      = dev->dma;
-   	int		  next_prim_idx;
-   	int		  ret = 0;
-	int		  s;
-   
-   	/* This needs to reset the primary buffer if available,
-	 * we should collect stats on how many times it bites
-	 * it's tail */
-	DRM_DEBUG("%s\n", __FUNCTION__);
-   
-   	next_prim_idx = dev_priv->current_prim_idx + 1;
-   	if(next_prim_idx >= MGA_NUM_PRIM_BUFS)
-     		next_prim_idx = 0;
-   	prim_buffer = dev_priv->prim_bufs[next_prim_idx];
-	set_bit(MGA_IN_WAIT, &dev_priv->dispatch_status);
-   
-      	/* In use is cleared in interrupt handler */
-   
-	s = splsofttq();
-   	if(test_and_set_bit(MGA_BUF_IN_USE, &prim_buffer->buffer_status)) {
-	   	for (;;) {
-		   	mga_dma_schedule(dev, 0);
-		   	if(!test_and_set_bit(MGA_BUF_IN_USE, 
-					     &prim_buffer->buffer_status)) 
-				break;
-		   	atomic_inc(&dev->total_sleeps);
-		   	atomic_inc(&dma->total_missed_sched);
-			ret = tsleep(&dev_priv->wait_queue, PZERO|PCATCH,
-				     "mgaap", 0);
-			if (ret)
-				break;
-		}
-	   	if(ret) {
-			splx(s);
-			return ret;
-		}
-	}
-	clear_bit(MGA_IN_WAIT, &dev_priv->dispatch_status);
-	splx(s);
-
-   	/* This primary buffer is now free to use */
-   	prim_buffer->current_dma_ptr = prim_buffer->head;
-   	prim_buffer->num_dwords = 0;
-   	prim_buffer->sec_used = 0;
-	prim_buffer->prim_age = dev_priv->next_prim_age++;
-	if(prim_buffer->prim_age == 0 || prim_buffer->prim_age == 0xffffffff) {
-	   mga_flush_queue(dev);
-	   mga_dma_quiescent(dev);
-	   mga_reset_freelist(dev);
-	   prim_buffer->prim_age = (dev_priv->next_prim_age += 2);
-	}
+	drm_mga_primary_buffer_t *primary = &dev_priv->prim;
+	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
+	u32 head = dev_priv->primary->offset;
+	DRM_DEBUG( "%s:\n", __FUNCTION__ );
+
+	sarea_priv->last_wrap++;
+	DRM_DEBUG( "   wrap = %d\n", sarea_priv->last_wrap );
 
-	/* Reset all buffer status stuff */
-	clear_bit(MGA_BUF_NEEDS_OVERFLOW, &prim_buffer->buffer_status);
-	clear_bit(MGA_BUF_FORCE_FIRE, &prim_buffer->buffer_status);
-	clear_bit(MGA_BUF_SWAP_PENDING, &prim_buffer->buffer_status);
+	mga_flush_write_combine();
+	MGA_WRITE( MGA_PRIMADDRESS, head | MGA_DMA_GENERAL );
 
-   	dev_priv->current_prim = prim_buffer;
-   	dev_priv->current_prim_idx = next_prim_idx;
-   	return 0;
+	clear_bit( 0, &primary->wrapped );
+	DRM_DEBUG( "%s: done.\n", __FUNCTION__ );
 }
 
-/* More dynamic performance decisions */
-static __inline int mga_decide_to_fire(drm_device_t *dev)
+
+/* ================================================================
+ * Freelist management
+ */
+
+#define MGA_BUFFER_USED		~0
+#define MGA_BUFFER_FREE		0
+
+#if MGA_FREELIST_DEBUG
+static void mga_freelist_print( drm_device_t *dev )
 {
-   	drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private;
+	drm_mga_private_t *dev_priv = dev->dev_private;
+	drm_mga_freelist_t *entry;
+
+	DRM_INFO( "\n" );
+	DRM_INFO( "current dispatch: last=0x%x done=0x%x\n",
+		  dev_priv->sarea_priv->last_dispatch,
+		  (unsigned int)(MGA_READ( MGA_PRIMADDRESS ) -
+				 dev_priv->primary->offset) );
+	DRM_INFO( "current freelist:\n" );
+
+	for ( entry = dev_priv->head->next ; entry ; entry = entry->next ) {
+		DRM_INFO( "   %p   idx=%2d  age=0x%x 0x%06lx\n",
+			  entry, entry->buf->idx, entry->age.head,
+			  entry->age.head - dev_priv->primary->offset );
+	}
+	DRM_INFO( "\n" );
+}
+#endif
 
-   	DRM_DEBUG("%s\n", __FUNCTION__);
+static int mga_freelist_init( drm_device_t *dev, drm_mga_private_t *dev_priv )
+{
+	drm_device_dma_t *dma = dev->dma;
+	drm_buf_t *buf;
+	drm_mga_buf_priv_t *buf_priv;
+	drm_mga_freelist_t *entry;
+	int i;
+	DRM_DEBUG( "%s: count=%d\n",
+		   __FUNCTION__, dma->buf_count );
 
-   	if(test_bit(MGA_BUF_FORCE_FIRE, &dev_priv->next_prim->buffer_status)) {
-	   	return 1;
-	}
+	dev_priv->head = DRM(alloc)( sizeof(drm_mga_freelist_t),
+				     DRM_MEM_DRIVER );
+	if ( dev_priv->head == NULL )
+		DRM_OS_RETURN(ENOMEM);
 
-	if (test_bit(MGA_IN_GETBUF, &dev_priv->dispatch_status) &&
-	    dev_priv->next_prim->num_dwords) {
-	   	return 1;
-	}
+	memset( dev_priv->head, 0, sizeof(drm_mga_freelist_t) );
+	SET_AGE( &dev_priv->head->age, MGA_BUFFER_USED, 0 );
 
-	if (test_bit(MGA_IN_FLUSH, &dev_priv->dispatch_status) &&
-	    dev_priv->next_prim->num_dwords) {
-	   	return 1;
-	}
-   
-   	if(atomic_read(&dev_priv->pending_bufs) <= MGA_NUM_PRIM_BUFS - 1) {
-		if(test_bit(MGA_BUF_SWAP_PENDING, 
-			    &dev_priv->next_prim->buffer_status)) {
-			return 1;
-		}
-	}
+	for ( i = 0 ; i < dma->buf_count ; i++ ) {
+		buf = dma->buflist[i];
+	        buf_priv = buf->dev_private;
 
-   	if(atomic_read(&dev_priv->pending_bufs) <= MGA_NUM_PRIM_BUFS / 2) {
-		if(dev_priv->next_prim->sec_used >= MGA_DMA_BUF_NR / 8) {
-			return 1;
-		}
-	}
+		entry = DRM(alloc)( sizeof(drm_mga_freelist_t),
+				    DRM_MEM_DRIVER );
+		if ( entry == NULL )
+			DRM_OS_RETURN(ENOMEM);
 
-   	if(atomic_read(&dev_priv->pending_bufs) >= MGA_NUM_PRIM_BUFS / 2) {
-		if(dev_priv->next_prim->sec_used >= MGA_DMA_BUF_NR / 4) {
-			return 1;
-		}
-	}
+		memset( entry, 0, sizeof(drm_mga_freelist_t) );
 
-   	return 0;
-}
+		entry->next = dev_priv->head->next;
+		entry->prev = dev_priv->head;
+		SET_AGE( &entry->age, MGA_BUFFER_FREE, 0 );
+		entry->buf = buf;
 
-int mga_dma_schedule(drm_device_t *dev, int locked)
-{
-      	drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private;
-	int	retval =0 ;
+		if ( dev_priv->head->next != NULL )
+			dev_priv->head->next->prev = entry;
+		if ( entry->next == NULL )
+			dev_priv->tail = entry;
 
-	if (!dev_priv) return EBUSY;
+		buf_priv->list_entry = entry;
+		buf_priv->discard = 0;
+		buf_priv->dispatched = 0;
 
-   	if (test_and_set_bit(0, &dev->dma_flag)) {
-		retval = EBUSY;
-		goto sch_out_wakeup;
-	}
-   
-	DRM_DEBUG("%s\n", __FUNCTION__);
-	if (!dev_priv) {
-		DRM_DEBUG("dev_priv is not set\n");
-		return (0);
+		dev_priv->head->next = entry;
 	}
 
-   	if(test_bit(MGA_IN_FLUSH, &dev_priv->dispatch_status) || 
-	   test_bit(MGA_IN_WAIT, &dev_priv->dispatch_status) ||
-	   test_bit(MGA_IN_GETBUF, &dev_priv->dispatch_status)) {
-		locked = 1;
-	}
-   
-   	if (!locked && 
-	    !drm_lock_take(&dev->lock.hw_lock->lock, DRM_KERNEL_CONTEXT)) {
-	   	clear_bit(0, &dev->dma_flag);
-		DRM_DEBUG("Not locked\n");
-		retval = EBUSY;
-		goto sch_out_wakeup;
-	}
+	return 0;
+}
 
-   	if(!test_and_set_bit(MGA_IN_DISPATCH, &dev_priv->dispatch_status)) {
-	   	/* Fire dma buffer */
-	   	if(mga_decide_to_fire(dev)) {
-			clear_bit(MGA_BUF_FORCE_FIRE, 
-				  &dev_priv->next_prim->buffer_status);
-		   	if(dev_priv->current_prim == dev_priv->next_prim) {
-				/* Schedule overflow for a later time */
-				set_bit(MGA_BUF_NEEDS_OVERFLOW,
-					&dev_priv->next_prim->buffer_status);
-			}
-		   	mga_fire_primary(dev, dev_priv->next_prim);
-		} else {
-			clear_bit(MGA_IN_DISPATCH, &dev_priv->dispatch_status);
-		}
-	}
-   	
-	if (!locked) {
-		if (drm_lock_free(dev, &dev->lock.hw_lock->lock,
-				  DRM_KERNEL_CONTEXT)) {
-			DRM_ERROR("\n");
-		}
-	}
-	clear_bit(0, &dev->dma_flag);
-sch_out_wakeup:
-      	if(test_bit(MGA_IN_FLUSH, &dev_priv->dispatch_status) &&
-	   atomic_read(&dev_priv->pending_bufs) == 0) {
-	   	/* Everything has been processed by the hardware */
-		clear_bit(MGA_IN_FLUSH, &dev_priv->dispatch_status);
-	   	wakeup(&dev_priv->flush_queue);
-	}
+static void mga_freelist_cleanup( drm_device_t *dev )
+{
+	drm_mga_private_t *dev_priv = dev->dev_private;
+	drm_mga_freelist_t *entry;
+	drm_mga_freelist_t *next;
+	DRM_DEBUG( "%s\n", __FUNCTION__ );
 
-	if(test_bit(MGA_IN_GETBUF, &dev_priv->dispatch_status) &&
-	   dev_priv->tail->age < dev_priv->last_prim_age) 
-		wakeup(&dev_priv->buf_queue);
+	entry = dev_priv->head;
+	while ( entry ) {
+		next = entry->next;
+		DRM(free)( entry, sizeof(drm_mga_freelist_t), DRM_MEM_DRIVER );
+		entry = next;
+	}
 
-	return retval;
+	dev_priv->head = dev_priv->tail = NULL;
 }
 
-static void mga_dma_service(void *arg)
+#if 0
+/* FIXME: Still needed?
+ */
+static void mga_freelist_reset( drm_device_t *dev )
 {
-    	drm_device_t	 *dev = (drm_device_t *)arg;
-    	drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private;
-    	drm_mga_prim_buf_t *last_prim_buffer;
-
-    	atomic_inc(&dev->total_irq);
-	if((MGA_READ(MGAREG_STATUS) & 0x00000001) != 0x00000001) return;
-      	MGA_WRITE(MGAREG_ICLEAR, 0x00000001);
-   	last_prim_buffer = dev_priv->last_prim;
-    	last_prim_buffer->num_dwords = 0;
-    	last_prim_buffer->sec_used = 0;
-	dev_priv->sarea_priv->last_dispatch = 
-		dev_priv->last_prim_age = last_prim_buffer->prim_age;
-      	clear_bit(MGA_BUF_IN_USE, &last_prim_buffer->buffer_status);
-      	clear_bit(MGA_BUF_SWAP_PENDING, &last_prim_buffer->buffer_status);
-      	clear_bit(MGA_IN_DISPATCH, &dev_priv->dispatch_status);
-      	atomic_dec(&dev_priv->pending_bufs);
-	taskqueue_enqueue(taskqueue_swi, &dev->task);
-   	wakeup(&dev_priv->wait_queue);
+	drm_device_dma_t *dma = dev->dma;
+	drm_buf_t *buf;
+	drm_mga_buf_priv_t *buf_priv;
+	int i;
+
+	for ( i = 0 ; i < dma->buf_count ; i++ ) {
+		buf = dma->buflist[i];
+	        buf_priv = buf->dev_private;
+		SET_AGE( &buf_priv->list_entry->age,
+			 MGA_BUFFER_FREE, 0 );
+	}
 }
+#endif
 
-static void mga_dma_task_queue(void *device, int pending)
+static drm_buf_t *mga_freelist_get( drm_device_t *dev )
 {
-	DRM_DEBUG("%s\n", __FUNCTION__);
-	mga_dma_schedule((drm_device_t *)device, 0);
+	drm_mga_private_t *dev_priv = dev->dev_private;
+	drm_mga_freelist_t *next;
+	drm_mga_freelist_t *prev;
+	drm_mga_freelist_t *tail = dev_priv->tail;
+	u32 head, wrap;
+	DRM_DEBUG( "%s:\n", __FUNCTION__ );
+
+	head = MGA_READ( MGA_PRIMADDRESS );
+	wrap = dev_priv->sarea_priv->last_wrap;
+
+	DRM_DEBUG( "   tail=0x%06lx %d\n",
+		   tail->age.head ?
+		   tail->age.head - dev_priv->primary->offset : 0,
+		   tail->age.wrap );
+	DRM_DEBUG( "   head=0x%06lx %d\n",
+		   head - dev_priv->primary->offset, wrap );
+
+	if ( TEST_AGE( &tail->age, head, wrap ) ) {
+		prev = dev_priv->tail->prev;
+		next = dev_priv->tail;
+		prev->next = NULL;
+		next->prev = next->next = NULL;
+		dev_priv->tail = prev;
+		SET_AGE( &next->age, MGA_BUFFER_USED, 0 );
+		return next->buf;
+	}
+
+	DRM_DEBUG( "returning NULL!\n" );
+	return NULL;
 }
 
-int mga_dma_cleanup(drm_device_t *dev)
+int mga_freelist_put( drm_device_t *dev, drm_buf_t *buf )
 {
-	DRM_DEBUG("%s\n", __FUNCTION__);
-
-	if(dev->dev_private) {
-		drm_mga_private_t *dev_priv = 
-			(drm_mga_private_t *) dev->dev_private;
-      
-		if (dev->irq) mga_flush_queue(dev);
-		mga_dma_quiescent(dev);
-		if(dev_priv->ioremap) {
-			int temp = (dev_priv->warp_ucode_size + 
-				    dev_priv->primary_size + 
-				    PAGE_SIZE - 1) / PAGE_SIZE * PAGE_SIZE;
-
-			drm_ioremapfree((void *) dev_priv->ioremap, temp);
-		}
-	   	if(dev_priv->real_status_page != 0UL) {
-		   	mga_free_page(dev, dev_priv->real_status_page);
-		}
-	   	if(dev_priv->prim_bufs != NULL) {
-		   	int i;
-		   	for(i = 0; i < MGA_NUM_PRIM_BUFS; i++) {
-			   	if(dev_priv->prim_bufs[i] != NULL) {
-			     		drm_free(dev_priv->prim_bufs[i],
-						 sizeof(drm_mga_prim_buf_t),
-						 DRM_MEM_DRIVER);
-				}
-			}
-		   	drm_free(dev_priv->prim_bufs, sizeof(void *) *
-				 (MGA_NUM_PRIM_BUFS + 1), 
-				 DRM_MEM_DRIVER);
-		}
-		if(dev_priv->head != NULL) {
-		   	mga_freelist_cleanup(dev);
-		}
+	drm_mga_private_t *dev_priv = dev->dev_private;
+	drm_mga_buf_priv_t *buf_priv = buf->dev_private;
+	drm_mga_freelist_t *head, *entry, *prev;
 
+	DRM_DEBUG( "%s: age=0x%06lx wrap=%d\n",
+		   __FUNCTION__,
+		   buf_priv->list_entry->age.head -
+		   dev_priv->primary->offset,
+		   buf_priv->list_entry->age.wrap );
 
-		drm_free(dev->dev_private, sizeof(drm_mga_private_t), 
-			 DRM_MEM_DRIVER);
-		dev->dev_private = NULL;
+	entry = buf_priv->list_entry;
+	head = dev_priv->head;
+
+	if ( buf_priv->list_entry->age.head == MGA_BUFFER_USED ) {
+		SET_AGE( &entry->age, MGA_BUFFER_FREE, 0 );
+		prev = dev_priv->tail;
+		prev->next = entry;
+		entry->prev = prev;
+		entry->next = NULL;
+	} else {
+		prev = head->next;
+		head->next = entry;
+		prev->prev = entry;
+		entry->prev = head;
+		entry->next = prev;
 	}
 
 	return 0;
 }
 
-static int mga_dma_initialize(drm_device_t *dev, drm_mga_init_t *init) {
+
+/* ================================================================
+ * DMA initialization, cleanup
+ */
+
+static int mga_do_init_dma( drm_device_t *dev, drm_mga_init_t *init )
+{
 	drm_mga_private_t *dev_priv;
-	drm_map_t *sarea_map = NULL;
+	drm_map_list_entry_t *listentry;
+	int ret;
+	DRM_DEBUG( "%s\n", __FUNCTION__ );
 
-	dev_priv = drm_alloc(sizeof(drm_mga_private_t), DRM_MEM_DRIVER);
-	if(dev_priv == NULL) return ENOMEM;
-	dev->dev_private = (void *) dev_priv;
+	dev_priv = DRM(alloc)( sizeof(drm_mga_private_t), DRM_MEM_DRIVER );
+	if ( !dev_priv )
+		DRM_OS_RETURN(ENOMEM);
 
-	memset(dev_priv, 0, sizeof(drm_mga_private_t));
+	memset( dev_priv, 0, sizeof(drm_mga_private_t) );
 
-	if((init->reserved_map_idx >= dev->map_count) ||
-	   (init->buffer_map_idx >= dev->map_count)) {
-		mga_dma_cleanup(dev);
-		DRM_DEBUG("reserved_map or buffer_map are invalid\n");
-		return EINVAL;
-	}
-   
-	dev_priv->reserved_map_idx = init->reserved_map_idx;
-	dev_priv->buffer_map_idx = init->buffer_map_idx;
-	sarea_map = dev->maplist[0];
-	dev_priv->sarea_priv = (drm_mga_sarea_t *) 
-		((u_int8_t *)sarea_map->handle + 
-		 init->sarea_priv_offset);
-
-	/* Scale primary size to the next page */
 	dev_priv->chipset = init->chipset;
-	dev_priv->frontOffset = init->frontOffset;
-	dev_priv->backOffset = init->backOffset;
-	dev_priv->depthOffset = init->depthOffset;
-	dev_priv->textureOffset = init->textureOffset;
-	dev_priv->textureSize = init->textureSize;
-	dev_priv->cpp = init->cpp;
-	dev_priv->sgram = init->sgram;
-	dev_priv->stride = init->stride;
-
-	dev_priv->mAccess = init->mAccess;
-   	dev_priv->flush_queue = 0;
-	dev_priv->WarpPipe = 0xff000000;
-	dev_priv->vertexsize = 0;
-
-   	DRM_DEBUG("chipset: %d ucode_size: %d backOffset: %x depthOffset: %x\n",
-		  dev_priv->chipset, dev_priv->warp_ucode_size, 
-		  dev_priv->backOffset, dev_priv->depthOffset);
-   	DRM_DEBUG("cpp: %d sgram: %d stride: %d maccess: %x\n",
-		  dev_priv->cpp, dev_priv->sgram, dev_priv->stride, 
-		  dev_priv->mAccess);
-   
-	memcpy(&dev_priv->WarpIndex, &init->WarpIndex, 
-	       sizeof(drm_mga_warp_index_t) * MGA_MAX_WARP_PIPES);
-
-   	if(mga_init_primary_bufs(dev, init) != 0) {
-		DRM_ERROR("Can not initialize primary buffers\n");
-		mga_dma_cleanup(dev);
-		return ENOMEM;
+
+	dev_priv->usec_timeout = MGA_DEFAULT_USEC_TIMEOUT;
+
+	if ( init->sgram ) {
+		dev_priv->clear_cmd = MGA_DWGCTL_CLEAR | MGA_ATYPE_BLK;
+	} else {
+		dev_priv->clear_cmd = MGA_DWGCTL_CLEAR | MGA_ATYPE_RSTR;
 	}
-   	dev_priv->real_status_page = mga_alloc_page(dev);
-      	if(dev_priv->real_status_page == 0UL) {
-		mga_dma_cleanup(dev);
-		DRM_ERROR("Can not allocate status page\n");
-		return ENOMEM;
+	dev_priv->maccess	= init->maccess;
+
+	dev_priv->fb_cpp	= init->fb_cpp;
+	dev_priv->front_offset	= init->front_offset;
+	dev_priv->front_pitch	= init->front_pitch;
+	dev_priv->back_offset	= init->back_offset;
+	dev_priv->back_pitch	= init->back_pitch;
+
+	dev_priv->depth_cpp	= init->depth_cpp;
+	dev_priv->depth_offset	= init->depth_offset;
+	dev_priv->depth_pitch	= init->depth_pitch;
+
+	/* FIXME: Need to support AGP textures...
+	 */
+	dev_priv->texture_offset = init->texture_offset[0];
+	dev_priv->texture_size = init->texture_size[0];
+
+	TAILQ_FOREACH(listentry, dev->maplist, link) {
+		drm_map_t *map = listentry->map;
+		if (map->type == _DRM_SHM &&
+			map->flags & _DRM_CONTAINS_LOCK) {
+			dev_priv->sarea = map;
+			break;
+		}
 	}
 
-   	dev_priv->status_page = (void*)dev_priv->real_status_page; /* XXX wants nocache */
+	if(!dev_priv->sarea) {
+		DRM_ERROR( "failed to find sarea!\n" );
+		/* Assign dev_private so we can do cleanup. */
+		dev->dev_private = (void *)dev_priv;
+		mga_do_cleanup_dma( dev );
+		DRM_OS_RETURN(EINVAL);
+	}
+
+
+	DRM_FIND_MAP( dev_priv->fb, init->fb_offset );
+	if(!dev_priv->fb) {
+		DRM_ERROR( "failed to find framebuffer!\n" );
+		/* Assign dev_private so we can do cleanup. */
+		dev->dev_private = (void *)dev_priv;
+		mga_do_cleanup_dma( dev );
+		DRM_OS_RETURN(EINVAL);
+	}
+	DRM_FIND_MAP( dev_priv->mmio, init->mmio_offset );
+	if(!dev_priv->mmio) {
+		DRM_ERROR( "failed to find mmio region!\n" );
+		/* Assign dev_private so we can do cleanup. */
+		dev->dev_private = (void *)dev_priv;
+		mga_do_cleanup_dma( dev );
+		DRM_OS_RETURN(EINVAL);
+	}
+	DRM_FIND_MAP( dev_priv->status, init->status_offset );
+	if(!dev_priv->status) {
+		DRM_ERROR( "failed to find status page!\n" );
+		/* Assign dev_private so we can do cleanup. */
+		dev->dev_private = (void *)dev_priv;
+		mga_do_cleanup_dma( dev );
+		DRM_OS_RETURN(EINVAL);
+	}
+	DRM_FIND_MAP( dev_priv->warp, init->warp_offset );
+	if(!dev_priv->warp) {
+		DRM_ERROR( "failed to find warp microcode region!\n" );
+		/* Assign dev_private so we can do cleanup. */
+		dev->dev_private = (void *)dev_priv;
+		mga_do_cleanup_dma( dev );
+		DRM_OS_RETURN(EINVAL);
+	}
+	DRM_FIND_MAP( dev_priv->primary, init->primary_offset );
+	if(!dev_priv->primary) {
+		DRM_ERROR( "failed to find primary dma region!\n" );
+		/* Assign dev_private so we can do cleanup. */
+		dev->dev_private = (void *)dev_priv;
+		mga_do_cleanup_dma( dev );
+		DRM_OS_RETURN(EINVAL);
+	}
+	DRM_FIND_MAP( dev_priv->buffers, init->buffers_offset );
+	if(!dev_priv->buffers) {
+		DRM_ERROR( "failed to find dma buffer region!\n" );
+		/* Assign dev_private so we can do cleanup. */
+		dev->dev_private = (void *)dev_priv;
+		mga_do_cleanup_dma( dev );
+		DRM_OS_RETURN(EINVAL);
+	}
+
+	dev_priv->sarea_priv =
+		(drm_mga_sarea_t *)((u8 *)dev_priv->sarea->handle +
+				    init->sarea_priv_offset);
+
+	DRM_IOREMAP( dev_priv->warp );
+	DRM_IOREMAP( dev_priv->primary );
+	DRM_IOREMAP( dev_priv->buffers );
+
+	if(!dev_priv->warp->handle ||
+	   !dev_priv->primary->handle ||
+	   !dev_priv->buffers->handle ) {
+		DRM_ERROR( "failed to ioremap agp regions!\n" );
+		/* Assign dev_private so we can do cleanup. */
+		dev->dev_private = (void *)dev_priv;
+		mga_do_cleanup_dma( dev );
+		DRM_OS_RETURN(ENOMEM);
+	}
+
+	ret = mga_warp_install_microcode( dev_priv );
+	if ( ret < 0 ) {
+		DRM_ERROR( "failed to install WARP ucode!\n" );
+		/* Assign dev_private so we can do cleanup. */
+		dev->dev_private = (void *)dev_priv;
+		mga_do_cleanup_dma( dev );
+		DRM_OS_RETURN(ret);
+	}
+
+	ret = mga_warp_init( dev_priv );
+	if ( ret < 0 ) {
+		DRM_ERROR( "failed to init WARP engine!\n" );
+		/* Assign dev_private so we can do cleanup. */
+		dev->dev_private = (void *)dev_priv;
+		mga_do_cleanup_dma( dev );
+		DRM_OS_RETURN(ret);
+	}
+
+	dev_priv->prim.status = (u32 *)dev_priv->status->handle;
+
+	mga_do_wait_for_idle( dev_priv );
+
+	/* Init the primary DMA registers.
+	 */
+	MGA_WRITE( MGA_PRIMADDRESS,
+		   dev_priv->primary->offset | MGA_DMA_GENERAL );
 #if 0
-   	dev_priv->status_page = 
-		ioremap_nocache(virt_to_bus((void *)dev_priv->real_status_page),
-				PAGE_SIZE);
-
-   	if(dev_priv->status_page == NULL) {
-		mga_dma_cleanup(dev);
-		DRM_ERROR("Can not remap status page\n");
-		return ENOMEM;
-	}
+	MGA_WRITE( MGA_PRIMPTR,
+		   virt_to_bus((void *)dev_priv->prim.status) |
+		   MGA_PRIMPTREN0 |	/* Soft trap, SECEND, SETUPEND */
+		   MGA_PRIMPTREN1 );	/* DWGSYNC */
 #endif
 
-   	/* Write status page when secend or softrap occurs */
-   	MGA_WRITE(MGAREG_PRIMPTR, 
-		  vtophys((void *)dev_priv->real_status_page) | 0x00000003);
-      
-
-	/* Private is now filled in, initialize the hardware */
-	{
-		PRIMLOCALS;
-		PRIMGETPTR( dev_priv );
-	   	   
-		PRIMOUTREG(MGAREG_DMAPAD, 0);
-		PRIMOUTREG(MGAREG_DMAPAD, 0);
-		PRIMOUTREG(MGAREG_DWGSYNC, 0x0100);
-		PRIMOUTREG(MGAREG_SOFTRAP, 0);
-		/* Poll for the first buffer to insure that
-		 * the status register will be correct
-		 */
-	   
-		mga_flush_write_combine();
-	   	MGA_WRITE(MGAREG_PRIMADDRESS, phys_head | TT_GENERAL);
-
-		MGA_WRITE(MGAREG_PRIMEND, ((phys_head + num_dwords * 4) | 
-					   PDEA_pagpxfer_enable));
-	   
-	   	while(MGA_READ(MGAREG_DWGSYNC) != 0x0100) ;
+	dev_priv->prim.start = (u8 *)dev_priv->primary->handle;
+	dev_priv->prim.end = ((u8 *)dev_priv->primary->handle
+			      + dev_priv->primary->size);
+	dev_priv->prim.size = dev_priv->primary->size;
+
+	dev_priv->prim.tail = 0;
+	dev_priv->prim.space = dev_priv->prim.size;
+	dev_priv->prim.wrapped = 0;
+
+	dev_priv->prim.last_flush = 0;
+	dev_priv->prim.last_wrap = 0;
+
+	dev_priv->prim.high_mark = 256 * DMA_BLOCK_SIZE;
+
+
+	dev_priv->prim.status[0] = dev_priv->primary->offset;
+	dev_priv->prim.status[1] = 0;
+
+	dev_priv->sarea_priv->last_wrap = 0;
+	dev_priv->sarea_priv->last_frame.head = 0;
+	dev_priv->sarea_priv->last_frame.wrap = 0;
+
+	if ( mga_freelist_init( dev, dev_priv ) < 0 ) {
+		DRM_ERROR( "could not initialize freelist\n" );
+		/* Assign dev_private so we can do cleanup. */
+		dev->dev_private = (void *)dev_priv;
+		mga_do_cleanup_dma( dev );
+		DRM_OS_RETURN(ENOMEM);
 	}
 
-	if(mga_freelist_init(dev) != 0) {
-	   	DRM_ERROR("Could not initialize freelist\n");
-	   	mga_dma_cleanup(dev);
-	   	return ENOMEM;
+	/* Make dev_private visable to others. */
+	dev->dev_private = (void *)dev_priv;
+	return 0;
+}
+
+int mga_do_cleanup_dma( drm_device_t *dev )
+{
+	DRM_DEBUG( "%s\n", __FUNCTION__ );
+
+	if ( dev->dev_private ) {
+		drm_mga_private_t *dev_priv = dev->dev_private;
+
+		DRM_IOREMAPFREE( dev_priv->warp );
+		DRM_IOREMAPFREE( dev_priv->primary );
+		DRM_IOREMAPFREE( dev_priv->buffers );
+
+		if ( dev_priv->head != NULL ) {
+			mga_freelist_cleanup( dev );
+		}
+
+		DRM(free)( dev->dev_private, sizeof(drm_mga_private_t),
+			   DRM_MEM_DRIVER );
+		dev->dev_private = NULL;
 	}
+
 	return 0;
 }
 
-int
-mga_dma_init(dev_t kdev, u_long cmd, caddr_t data, int flags, struct proc *p)
+int mga_dma_init( DRM_OS_IOCTL )
 {
-        drm_device_t *dev = kdev->si_drv1;
+	DRM_OS_DEVICE;
 	drm_mga_init_t init;
-   
-   	DRM_DEBUG("%s\n", __FUNCTION__);
 
-	init = *(drm_mga_init_t *) data;
-   
-	switch(init.func) {
+	DRM_OS_KRNFROMUSR( init, (drm_mga_init_t *) data, sizeof(init) );
+
+	switch ( init.func ) {
 	case MGA_INIT_DMA:
-		return mga_dma_initialize(dev, &init);
+		return mga_do_init_dma( dev, &init );
 	case MGA_CLEANUP_DMA:
-		return mga_dma_cleanup(dev);
+		return mga_do_cleanup_dma( dev );
 	}
 
-	return EINVAL;
+	DRM_OS_RETURN( EINVAL );
 }
 
-int mga_irq_install(drm_device_t *dev, int irq)
+
+/* ================================================================
+ * Primary DMA stream management
+ */
+
+int mga_dma_flush( DRM_OS_IOCTL )
 {
-	int rid;
-	int retcode;
+	DRM_OS_DEVICE;
+	drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private;
+	drm_lock_t lock;
 
-	if (!irq)     return EINVAL;
-	
-	lockmgr(&dev->dev_lock, LK_EXCLUSIVE, 0, curproc);
-	if (dev->irq) {
-		lockmgr(&dev->dev_lock, LK_RELEASE, 0, curproc);
-		return EBUSY;
-	}
-	lockmgr(&dev->dev_lock, LK_RELEASE, 0, curproc);
-	
-	DRM_DEBUG("install irq handler %d\n", irq);
-
-	dev->context_flag     = 0;
-	dev->interrupt_flag   = 0;
-	dev->dma_flag	      = 0;
-	dev->dma->next_buffer = NULL;
-	dev->dma->next_queue  = NULL;
-	dev->dma->this_buffer = NULL;
-	TASK_INIT(&dev->task, 0, mga_dma_task_queue, dev);
-
-				/* Before installing handler */
-	MGA_WRITE(MGAREG_IEN, 0);
-   				/* Install handler */
-	rid = 0;
-	dev->irq = bus_alloc_resource(dev->device, SYS_RES_IRQ, &rid,
-				      0, ~0, 1, RF_SHAREABLE);
-	if (!dev->irq)
-		return ENOENT;
-
-	retcode = bus_setup_intr(dev->device, dev->irq, INTR_TYPE_TTY,
-				 mga_dma_service, dev, &dev->irqh);
-	if (retcode) {
-		bus_release_resource(dev->device, SYS_RES_IRQ, 0, dev->irq);
-		dev->irq = 0;
-		return retcode;
-	}
+	LOCK_TEST_WITH_RETURN( dev );
 
-				/* After installing handler */
-   	MGA_WRITE(MGAREG_ICLEAR, 0x00000001);
-	MGA_WRITE(MGAREG_IEN, 0x00000001);
-	return 0;
-}
+	DRM_OS_KRNFROMUSR( lock, (drm_lock_t *) data, sizeof(lock) );
 
-int mga_irq_uninstall(drm_device_t *dev)
-{
-	if (!dev->irq)
-		return EINVAL;
-	
-   	DRM_DEBUG("remove irq handler %ld\n", rman_get_start(dev->irq));
-      	MGA_WRITE(MGAREG_ICLEAR, 0x00000001);
-	MGA_WRITE(MGAREG_IEN, 0);
+	DRM_DEBUG( "%s: %s%s%s\n",
+		   __FUNCTION__,
+		   (lock.flags & _DRM_LOCK_FLUSH) ?	"flush, " : "",
+		   (lock.flags & _DRM_LOCK_FLUSH_ALL) ?	"flush all, " : "",
+		   (lock.flags & _DRM_LOCK_QUIESCENT) ?	"idle, " : "" );
 
-	bus_teardown_intr(dev->device, dev->irq, dev->irqh);
-	bus_release_resource(dev->device, SYS_RES_IRQ, 0, dev->irq);
-	dev->irq = 0;
+	WRAP_WAIT_WITH_RETURN( dev_priv );
 
-	return 0;
-}
+	if ( lock.flags & (_DRM_LOCK_FLUSH | _DRM_LOCK_FLUSH_ALL) ) {
+		mga_do_dma_flush( dev_priv );
+	}
 
-int mga_control(dev_t kdev, u_long cmd, caddr_t data,
-		int flags, struct proc *p)
-{
-	drm_device_t	*dev	= kdev->si_drv1;
-	drm_control_t	ctl;
-   
-	ctl = *(drm_control_t *) data;
-
-   	DRM_DEBUG("%s\n", __FUNCTION__);
-
-	switch (ctl.func) {
-	case DRM_INST_HANDLER:
-		return mga_irq_install(dev, ctl.irq);
-	case DRM_UNINST_HANDLER:
-		return mga_irq_uninstall(dev);
-	default:
-		return EINVAL;
+	if ( lock.flags & _DRM_LOCK_QUIESCENT ) {
+#if MGA_DMA_DEBUG
+		int ret = mga_do_wait_for_idle( dev_priv );
+		if ( ret )
+			DRM_INFO( __FUNCTION__": -EBUSY\n" );
+		return ret;
+#else
+		return mga_do_wait_for_idle( dev_priv );
+#endif
+	} else {
+		return 0;
 	}
 }
 
-static int mga_flush_queue(drm_device_t *dev)
+int mga_dma_reset( DRM_OS_IOCTL )
 {
-  	drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private;
-   	int ret = 0;
-	int s;
-
-   	DRM_DEBUG("%s\n", __FUNCTION__);
-
-   	if(!dev_priv) return 0;
-   
-   	if(dev_priv->next_prim->num_dwords != 0) {
-		s = splsofttq();
-		set_bit(MGA_IN_FLUSH, &dev_priv->dispatch_status);
-   		for (;;) {
-		   	mga_dma_schedule(dev, 0);
-	   		if (!test_bit(MGA_IN_FLUSH, 
-				      &dev_priv->dispatch_status)) 
-				break;
-		   	atomic_inc(&dev->total_sleeps);
-			ret = tsleep(&dev_priv->flush_queue, PZERO|PCATCH,
-				     "mgafq", 0);
-			if (ret) {
-				clear_bit(MGA_IN_FLUSH, 
-					  &dev_priv->dispatch_status);
-		   		break;
-			}
-		}
-		splx(s);
-	}
-   	return ret;
+	DRM_OS_DEVICE;
+	drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private;
+
+	LOCK_TEST_WITH_RETURN( dev );
+
+	return mga_do_dma_reset( dev_priv );
 }
 
-/* Must be called with the lock held */
-void mga_reclaim_buffers(drm_device_t *dev, pid_t pid)
+
+/* ================================================================
+ * DMA buffer management
+ */
+
+#if 0
+static int mga_dma_get_buffers( drm_device_t *dev, drm_dma_t *d )
 {
-	drm_device_dma_t *dma = dev->dma;
-	int		 i;
+	drm_buf_t *buf;
+	int i;
 
-	if (!dma) return;
-      	if(dev->dev_private == NULL) return;
-	if(dma->buflist == NULL) return;
+	for ( i = d->granted_count ; i < d->request_count ; i++ ) {
+		buf = mga_freelist_get( dev );
+		if ( !buf )
+			DRM_OS_RETURN( EAGAIN );
 
-	DRM_DEBUG("%s\n", __FUNCTION__);
-        mga_flush_queue(dev);
+		buf->pid = current->pid;
 
-	for (i = 0; i < dma->buf_count; i++) {
-	   	drm_buf_t *buf = dma->buflist[ i ];
-	   	drm_mga_buf_priv_t *buf_priv = buf->dev_private;
+		if ( DRM_OS_COPYTOUSR( &d->request_indices[i],
+				   &buf->idx, sizeof(buf->idx) ) )
+			DRM_OS_RETURN( EFAULT );
+		if ( DRM_OS_COPYTOUSR( &d->request_sizes[i],
+				   &buf->total, sizeof(buf->total) ) )
+			DRM_OS_RETURN( EFAULT );
 
-		/* Only buffers that need to get reclaimed ever 
-		 * get set to free 
-		 */
-		if (buf->pid == pid  && buf_priv) {
-			if(buf_priv->my_freelist->age == MGA_BUF_USED) 
-		     		buf_priv->my_freelist->age = MGA_BUF_FREE;
-		}
+		d->granted_count++;
 	}
+	return 0;
 }
+#endif /* 0 */
 
-int mga_lock(dev_t kdev, u_long cmd, caddr_t data,
-	     int flags, struct proc *p)
+int mga_dma_buffers( DRM_OS_IOCTL )
 {
-	drm_device_t	  *dev	  = kdev->si_drv1;
-	int		  ret	= 0;
-	drm_lock_t	  lock;
+	DRM_OS_DEVICE;
+	drm_device_dma_t *dma = dev->dma;
+	drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private;
+	drm_dma_t d;
+	drm_buf_t *buf;
+	int i;
+	int ret = 0;
 
-	DRM_DEBUG("%s\n", __FUNCTION__);
-	lock = *(drm_lock_t *) data;
+	LOCK_TEST_WITH_RETURN( dev );
 
-	if (lock.context == DRM_KERNEL_CONTEXT) {
-		DRM_ERROR("Process %d using kernel context %d\n",
-			  p->p_pid, lock.context);
-		return EINVAL;
-	}
-   
-   	DRM_DEBUG("%d (pid %d) requests lock (0x%08x), flags = 0x%08x\n",
-	       lock.context, p->p_pid, dev->lock.hw_lock->lock,
-	       lock.flags);
+	DRM_OS_KRNFROMUSR( d, (drm_dma_t *) data, sizeof(d) );
 
-	if (lock.context < 0) {
-		return EINVAL;
-	}
-   
-	/* Only one queue:
+	/* Please don't send us buffers.
 	 */
-
-	if (!ret) {
-		atomic_inc(&dev->lock.lock_queue);
-		for (;;) {
-			if (!dev->lock.hw_lock) {
-				/* Device has been unregistered */
-				ret = EINTR;
-				break;
-			}
-			if (drm_lock_take(&dev->lock.hw_lock->lock,
-					  lock.context)) {
-				dev->lock.pid	    = p->p_pid;
-				dev->lock.lock_time = ticks;
-				atomic_inc(&dev->total_locks);
-				break;	/* Got lock */
-			}
-			
-				/* Contention */
-			atomic_inc(&dev->total_sleeps);
-			ret = tsleep(&dev->lock.lock_queue, PZERO|PCATCH,
-					 "mgal2", 0);
-			if (ret)
-				break;
-		}
-		atomic_dec(&dev->lock.lock_queue);
+	if ( d.send_count != 0 ) {
+		DRM_ERROR( "Process %d trying to send %d buffers via drmDMA\n",
+			   DRM_OS_CURRENTPID, d.send_count );
+		DRM_OS_RETURN( EINVAL );
 	}
-	
-	if (!ret) {
-		if (lock.flags & _DRM_LOCK_QUIESCENT) {
-		   DRM_DEBUG("_DRM_LOCK_QUIESCENT\n");
-		   mga_flush_queue(dev);
-		   mga_dma_quiescent(dev);
-		}
+
+	/* We'll send you buffers.
+	 */
+	if ( d.request_count < 0 || d.request_count > dma->buf_count ) {
+		DRM_ERROR( "Process %d trying to get %d buffers (of %d max)\n",
+			   DRM_OS_CURRENTPID, d.request_count, dma->buf_count );
+		DRM_OS_RETURN( EINVAL );
 	}
-   
-	if (ret) DRM_DEBUG("%d %s\n", lock.context, ret ? "interrupted" : "has lock");
-	return ret;
-}
-		
-int mga_flush_ioctl(dev_t kdev, u_long cmd, caddr_t data,
-		    int flags, struct proc *p)
-{
-	drm_device_t	  *dev	  = kdev->si_drv1;
-	drm_lock_t	  lock;
-      	drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private;
-	int		  s;
 
-   	DRM_DEBUG("%s\n", __FUNCTION__);
-	lock = *(drm_lock_t *) data;
+	WRAP_TEST_WITH_RETURN( dev_priv );
 
-	if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
-		DRM_ERROR("mga_flush_ioctl called without lock held\n");
-		return EINVAL;
-	}
+	d.granted_count = 0;
 
-   	if(lock.flags & _DRM_LOCK_FLUSH || lock.flags & _DRM_LOCK_FLUSH_ALL) {
-		drm_mga_prim_buf_t *temp_buf; 
-		temp_buf = dev_priv->current_prim;
-
-			s = splsofttq();
-		if(temp_buf && temp_buf->num_dwords) {
-			set_bit(MGA_BUF_FORCE_FIRE, &temp_buf->buffer_status);
-			mga_advance_primary(dev);
- 		}
-			mga_dma_schedule(dev, 1);
-			splx(s);
-	}
-   	if(lock.flags & _DRM_LOCK_QUIESCENT) {
-		mga_flush_queue(dev);
-		mga_dma_quiescent(dev);
+	if ( d.request_count ) {
+		for ( i = d.granted_count ; i < d.request_count ; i++ ) {
+			buf = mga_freelist_get( dev );
+			if ( !buf )
+				DRM_OS_RETURN( EAGAIN );
+
+			buf->pid = DRM_OS_CURRENTPID;
+
+			if ( DRM_OS_COPYTOUSR( &d.request_indices[i],
+					   &buf->idx, sizeof(buf->idx) ) )
+				DRM_OS_RETURN( EFAULT );
+			if ( DRM_OS_COPYTOUSR( &d.request_sizes[i],
+					   &buf->total, sizeof(buf->total) ) )
+				DRM_OS_RETURN( EFAULT );
+	
+			d.granted_count++;
+		}
+		ret = 0;
 	}
 
-    	return 0;
+	DRM_OS_KRNTOUSR( (drm_dma_t *) data, d, sizeof(d) );
+
+	return ret;
 }
diff --git a/bsd/mga/mga_drv.c b/bsd/mga/mga_drv.c
index 77d7c440..206a77dc 100644
--- a/bsd/mga/mga_drv.c
+++ b/bsd/mga/mga_drv.c
@@ -1,6 +1,6 @@
-/* mga_drv.c -- Matrox g200/g400 driver
+/* mga_drv.c -- Matrox G200/G400 driver -*- linux-c -*-
  * Created: Mon Dec 13 01:56:22 1999 by jhartmann@precisioninsight.com
- * 
+ *
  * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
  * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
  * All Rights Reserved.
@@ -11,704 +11,88 @@
  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  * and/or sell copies of the Software, and to permit persons to whom the
  * Software is furnished to do so, subject to the following conditions:
- * 
+ *
  * The above copyright notice and this permission notice (including the next
  * paragraph) shall be included in all copies or substantial portions of the
  * Software.
- * 
+ *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors: Rickard E. (Rik) Faith <faith@valinux.com>
- *	    Jeff Hartmann <jhartmann@valinux.com>
- *
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
  *
+ * Authors:
+ *    Rickard E. (Rik) Faith <faith@valinux.com>
+ *    Gareth Hughes <gareth@valinux.com>
  */
 
-#include "drmP.h"
-#include "mga_drv.h"
 
+#include <sys/types.h>
+#include <sys/bus.h>
 #include <pci/pcivar.h>
+#include <opt_drm_linux.h>
 
-MODULE_DEPEND(mga, drm, 1, 1, 1);
-MODULE_DEPEND(mga, agp, 1, 1, 1);
-
-#define MGA_NAME	 "mga"
-#define MGA_DESC	 "Matrox g200/g400"
-#define MGA_DATE	 "20000928"
-#define MGA_MAJOR	 2
-#define MGA_MINOR	 0
-#define MGA_PATCHLEVEL	 0
-
-drm_ctx_t		      mga_res_ctx;
-
-static int mga_probe(device_t dev)
-{
-	const char *s = 0;
-
-	switch (pci_get_devid(dev)) {
-	case 0x0525102b:
-		s = "Matrox MGA G400 AGP graphics accelerator";
-		break;
-
-	case 0x0521102b:
-		s = "Matrox MGA G200 AGP graphics accelerator";
-		break;
-	}
-
-	if (s) {
-		device_set_desc(dev, s);
-		return 0;
-	}
-
-	return ENXIO;
-}
-
-static int mga_attach(device_t dev)
-{
-	return mga_init(dev);
-}
-
-static int mga_detach(device_t dev)
-{
-	mga_cleanup(dev);
-	return 0;
-}
-
-static device_method_t mga_methods[] = {
-	/* Device interface */
-	DEVMETHOD(device_probe,		mga_probe),
-	DEVMETHOD(device_attach,	mga_attach),
-	DEVMETHOD(device_detach,	mga_detach),
-
-	{ 0, 0 }
-};
-
-static driver_t mga_driver = {
-	"drm",
-	mga_methods,
-	sizeof(drm_device_t),
-};
-
-static devclass_t mga_devclass;
-#define MGA_SOFTC(unit) \
-	((drm_device_t *) devclass_get_softc(mga_devclass, unit))
-
-DRIVER_MODULE(if_mga, pci, mga_driver, mga_devclass, 0, 0);
-
-#define CDEV_MAJOR	145
-				/* mga_drv.c */
-static struct cdevsw mga_cdevsw = {
-	/* open */	mga_open,
-	/* close */	mga_close,
-	/* read */	drm_read,
-	/* write */	drm_write,
-	/* ioctl */	mga_ioctl,
-	/* poll */	drm_poll,
-	/* mmap */	drm_mmap,
-	/* strategy */	nostrategy,
-	/* name */	"mga",
-	/* maj */	CDEV_MAJOR,
-	/* dump */	nodump,
-	/* psize */	nopsize,
-	/* flags */	D_TTY | D_TRACKCLOSE,
-	/* bmaj */	-1
-};
-
-static drm_ioctl_desc_t	      mga_ioctls[] = {
-	[DRM_IOCTL_NR(DRM_IOCTL_VERSION)]     = { mga_version,	  0, 0 },
-	[DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)]  = { drm_getunique,  0, 0 },
-	[DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)]   = { drm_getmagic,	  0, 0 },
-	[DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)]   = { drm_irq_busid,  0, 1 },
-
-	[DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)]  = { drm_setunique,  1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_BLOCK)]	      = { drm_block,	  1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)]     = { drm_unblock,	  1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_CONTROL)]     = { mga_control,	  1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)]  = { drm_authmagic,  1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)]     = { drm_addmap,	  1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS)]    = { mga_addbufs,	  1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS)]   = { mga_markbufs,	  1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS)]   = { mga_infobufs,	  1, 0 },
-	[DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS)]    = { mga_mapbufs,	  1, 0 },
-	[DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS)]   = { mga_freebufs,	  1, 0 },
+#include "mga.h"
+#include "drmP.h"
+#include "mga_drv.h"
 
-	[DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)]     = { mga_addctx,	  1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)]      = { mga_rmctx,	  1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)]     = { mga_modctx,	  1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)]     = { mga_getctx,	  1, 0 },
-	[DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)]  = { mga_switchctx,  1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)]     = { mga_newctx,	  1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)]     = { mga_resctx,	  1, 0 },
-	[DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)]    = { drm_adddraw,	  1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)]     = { drm_rmdraw,	  1, 1 },
+#define DRIVER_AUTHOR		"Gareth Hughes, VA Linux Systems Inc."
 
-	[DRM_IOCTL_NR(DRM_IOCTL_DMA)]	      = { mga_dma,	  1, 0 },
+#define DRIVER_NAME		"mga"
+#define DRIVER_DESC		"Matrox G200/G400"
+#define DRIVER_DATE		"20010321"
 
-	[DRM_IOCTL_NR(DRM_IOCTL_LOCK)]	      = { mga_lock,	  1, 0 },
-	[DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)]      = { mga_unlock,	  1, 0 },
-	[DRM_IOCTL_NR(DRM_IOCTL_FINISH)]      = { drm_finish,	  1, 0 },
+#define DRIVER_MAJOR		3
+#define DRIVER_MINOR		0
+#define DRIVER_PATCHLEVEL	2
 
-	[DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = { drm_agp_acquire, 1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = { drm_agp_release, 1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)]  = { drm_agp_enable,  1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)]    = { drm_agp_info,    1, 0 },
-	[DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)]   = { drm_agp_alloc,   1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)]    = { drm_agp_free,    1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)]    = { drm_agp_bind,    1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)]  = { drm_agp_unbind,  1, 1 },
-   	[DRM_IOCTL_NR(DRM_IOCTL_MGA_INIT)]    = { mga_dma_init,    1, 1 },
-   	[DRM_IOCTL_NR(DRM_IOCTL_MGA_SWAP)]    = { mga_swap_bufs,   1, 0 },
-   	[DRM_IOCTL_NR(DRM_IOCTL_MGA_CLEAR)]   = { mga_clear_bufs,  1, 0 },
-   	[DRM_IOCTL_NR(DRM_IOCTL_MGA_ILOAD)]   = { mga_iload,       1, 0 },
-   	[DRM_IOCTL_NR(DRM_IOCTL_MGA_VERTEX)]  = { mga_vertex,      1, 0 },
-   	[DRM_IOCTL_NR(DRM_IOCTL_MGA_FLUSH)]   = { mga_flush_ioctl, 1, 0 },
-   	[DRM_IOCTL_NR(DRM_IOCTL_MGA_INDICES)] = { mga_indices,     1, 0 },
+/* List acquired from http://www.yourvote.com/pci/pcihdr.h and xc/xc/programs/Xserver/hw/xfree86/common/xf86PciInfo.h
+ * Please report to anholt@teleport.com inaccuracies or if a chip you have works that is marked unsupported here.
+ */
+drm_chipinfo_t DRM(devicelist)[] = {
+	{0x102b, 0x0520, 0, "Matrox G200 (PCI)"},
+	{0x102b, 0x0521, 1, "Matrox G200 (AGP)"},
+	{0x102b, 0x0525, 1, "Matrox G400 (AGP)"},
+	{0, 0, 0, NULL}
 };
 
-#define MGA_IOCTL_COUNT DRM_ARRAY_SIZE(mga_ioctls)
-
-static int mga_setup(drm_device_t *dev)
-{
-	int i;
-	
-	device_busy(dev->device);
-
-	atomic_set(&dev->ioctl_count, 0);
-	atomic_set(&dev->vma_count, 0);
-	dev->buf_use	  = 0;
-	atomic_set(&dev->buf_alloc, 0);
-
-	drm_dma_setup(dev);
-
-	atomic_set(&dev->total_open, 0);
-	atomic_set(&dev->total_close, 0);
-	atomic_set(&dev->total_ioctl, 0);
-	atomic_set(&dev->total_irq, 0);
-	atomic_set(&dev->total_ctx, 0);
-	atomic_set(&dev->total_locks, 0);
-	atomic_set(&dev->total_unlocks, 0);
-	atomic_set(&dev->total_contends, 0);
-	atomic_set(&dev->total_sleeps, 0);
-
-	for (i = 0; i < DRM_HASH_SIZE; i++) {
-		dev->magiclist[i].head = NULL;
-		dev->magiclist[i].tail = NULL;
-	}
-	dev->maplist	    = NULL;
-	dev->map_count	    = 0;
-	dev->vmalist	    = NULL;
-	dev->lock.hw_lock   = NULL;
-	dev->lock.lock_queue = 0;
-	dev->queue_count    = 0;
-	dev->queue_reserved = 0;
-	dev->queue_slots    = 0;
-	dev->queuelist	    = NULL;
-	dev->irq	    = 0;
-	dev->context_flag   = 0;
-	dev->interrupt_flag = 0;
-	dev->dma_flag	    = 0;
-	dev->last_context   = 0;
-	dev->last_switch    = 0;
-	dev->last_checked   = 0;
-	callout_init(&dev->timer);
-	dev->context_wait   = 0;
-
-	timespecclear(&dev->ctx_start);
-	timespecclear(&dev->lck_start);
-	
-	dev->buf_rp	  = dev->buf;
-	dev->buf_wp	  = dev->buf;
-	dev->buf_end	  = dev->buf + DRM_BSZ;
-	bzero(&dev->buf_sel, sizeof dev->buf_sel);
-	dev->buf_sigio	  = NULL;
-	dev->buf_readers  = 0;
-	dev->buf_writers  = 0;
-	dev->buf_selecting = 0;
-			
-	DRM_DEBUG("\n");
-			
-	/* The kernel's context could be created here, but is now created
-	   in drm_dma_enqueue.	This is more resource-efficient for
-	   hardware that does not do DMA, but may mean that
-	   drm_select_queue fails between the time the interrupt is
-	   initialized and the time the queues are initialized. */
-			
-	return 0;
-}
-
-
-static int mga_takedown(drm_device_t *dev)
-{
-	int		  i;
-	drm_magic_entry_t *pt, *next;
-	drm_map_t	  *map;
-	drm_vma_entry_t	  *vma, *vma_next;
-
-	DRM_DEBUG("\n");
-
-	if (dev->irq) mga_irq_uninstall(dev);
-	
-	lockmgr(&dev->dev_lock, LK_EXCLUSIVE, 0, curproc);
-	callout_stop(&dev->timer);
-	
-	if (dev->devname) {
-		drm_free(dev->devname, strlen(dev->devname)+1, DRM_MEM_DRIVER);
-		dev->devname = NULL;
-	}
-	
-	if (dev->unique) {
-		drm_free(dev->unique, strlen(dev->unique)+1, DRM_MEM_DRIVER);
-		dev->unique = NULL;
-		dev->unique_len = 0;
-	}
-				/* Clear pid list */
-	for (i = 0; i < DRM_HASH_SIZE; i++) {
-		for (pt = dev->magiclist[i].head; pt; pt = next) {
-			next = pt->next;
-			drm_free(pt, sizeof(*pt), DRM_MEM_MAGIC);
-		}
-		dev->magiclist[i].head = dev->magiclist[i].tail = NULL;
-	}
-   				/* Clear AGP information */
-	if (dev->agp) {
-		drm_agp_mem_t *entry;
-		drm_agp_mem_t *nexte;
-		
-				/* Remove AGP resources, but leave dev->agp
-                                   intact until cleanup is called. */
-		for (entry = dev->agp->memory; entry; entry = nexte) {
-			nexte = entry->next;
-			if (entry->bound) drm_unbind_agp(entry->handle);
-			drm_free_agp(entry->handle, entry->pages);
-			drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS);
-		}
-		dev->agp->memory = NULL;
-		
-		if (dev->agp->acquired)
-			agp_release(dev->agp->agpdev);
-		
-		dev->agp->acquired = 0;
-		dev->agp->enabled  = 0;
-	}
-				/* Clear vma list (only built for debugging) */
-	if (dev->vmalist) {
-		for (vma = dev->vmalist; vma; vma = vma_next) {
-			vma_next = vma->next;
-			drm_free(vma, sizeof(*vma), DRM_MEM_VMAS);
-		}
-		dev->vmalist = NULL;
-	}
-	
-				/* Clear map area and mtrr information */
-	if (dev->maplist) {
-		for (i = 0; i < dev->map_count; i++) {
-			map = dev->maplist[i];
-			switch (map->type) {
-			case _DRM_REGISTERS:
-			case _DRM_FRAME_BUFFER:
-#ifdef CONFIG_MTRR
-				if (map->mtrr >= 0) {
-					int retcode;
-					retcode = mtrr_del(map->mtrr,
-							   map->offset,
-							   map->size);
-					DRM_DEBUG("mtrr_del = %d\n", retcode);
-				}
-#endif
-				drm_ioremapfree(map->handle, map->size);
-				break;
-			case _DRM_SHM:
-				drm_free_pages((unsigned long)map->handle,
-					       drm_order(map->size)
-					       - PAGE_SHIFT,
-					       DRM_MEM_SAREA);
-				break;
-			case _DRM_AGP:
-				break;
-			}
-			drm_free(map, sizeof(*map), DRM_MEM_MAPS);
-		}
-		drm_free(dev->maplist,
-			 dev->map_count * sizeof(*dev->maplist),
-			 DRM_MEM_MAPS);
-		dev->maplist   = NULL;
-		dev->map_count = 0;
-	}
-	
-	if (dev->queuelist) {
-		for (i = 0; i < dev->queue_count; i++) {
-			drm_waitlist_destroy(&dev->queuelist[i]->waitlist);
-			if (dev->queuelist[i]) {
-				drm_free(dev->queuelist[i],
-					 sizeof(*dev->queuelist[0]),
-					 DRM_MEM_QUEUES);
-				dev->queuelist[i] = NULL;
-			}
-		}
-		drm_free(dev->queuelist,
-			 dev->queue_slots * sizeof(*dev->queuelist),
-			 DRM_MEM_QUEUES);
-		dev->queuelist	 = NULL;
-	}
-
-	drm_dma_takedown(dev);
-
-	dev->queue_count     = 0;
-	if (dev->lock.hw_lock) {
-		dev->lock.hw_lock    = NULL; /* SHM removed */
-		dev->lock.pid	     = 0;
-		wakeup(&dev->lock.lock_queue);
-	}
-	lockmgr(&dev->dev_lock, LK_RELEASE, 0, curproc);
-	
-	return 0;
-}
-
-/* mga_init is called via mga_attach at module load time, */
-
-int
-mga_init(device_t nbdev)
-{
-	int		      retcode;
-	drm_device_t	      *dev = device_get_softc(nbdev);
-
-	DRM_DEBUG("\n");
-
-	memset((void *)dev, 0, sizeof(*dev));
-	simple_lock_init(&dev->count_lock);
-	lockinit(&dev->dev_lock, PZERO, "drmlk", 0, 0);
-	
-#if 0
-	drm_parse_options(mga);
-#endif
-	dev->device = nbdev;
-	dev->devnode = make_dev(&mga_cdevsw,
-				device_get_unit(nbdev),
-				DRM_DEV_UID,
-				DRM_DEV_GID,
-				DRM_DEV_MODE,
-				MGA_NAME);
-	dev->name   = MGA_NAME;
-
-   	DRM_DEBUG("doing mem init\n");
-	drm_mem_init();
-	DRM_DEBUG("doing proc init\n");
-	drm_sysctl_init(dev);
-	TAILQ_INIT(&dev->files);
-	DRM_DEBUG("doing agp init\n");
-	dev->agp    = drm_agp_init();
-      	if(dev->agp == NULL) {
-	   	DRM_INFO("The mga drm module requires the agp module"
-			 " to function correctly\nPlease load the agp"
-			 " module before you load the mga module\n");
-	   	drm_sysctl_cleanup(dev);
-	   	mga_takedown(dev);
-	   	return ENOMEM;
-	}
-#if 0
-   	dev->agp->agp_mtrr = mtrr_add(dev->agp->agp_info.aper_base,
-				      dev->agp->agp_info.aper_size * 1024 * 1024,
-				      MTRR_TYPE_WRCOMB,
-				      1);
-#endif
-	DRM_DEBUG("doing ctxbitmap init\n");
-	if((retcode = drm_ctxbitmap_init(dev))) {
-		DRM_ERROR("Cannot allocate memory for context bitmap.\n");
-		drm_sysctl_cleanup(dev);
-		mga_takedown(dev);
-		return retcode;
-	}
-
-	DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n",
-		 MGA_NAME,
-		 MGA_MAJOR,
-		 MGA_MINOR,
-		 MGA_PATCHLEVEL,
-		 MGA_DATE,
-		 device_get_unit(nbdev));
-
-	return 0;
-}
-
-/* mga_cleanup is called via cleanup_module at module unload time. */
-
-void mga_cleanup(device_t nbdev)
-{
-	drm_device_t	      *dev = device_get_softc(nbdev);
-
-	DRM_DEBUG("\n");
-	
-	drm_sysctl_cleanup(dev);
-	destroy_dev(dev->devnode);
-
-	DRM_INFO("Module unloaded\n");
-	drm_ctxbitmap_cleanup(dev);
-	mga_dma_cleanup(dev);
-#if 0
-   	if(dev->agp && dev->agp->agp_mtrr) {
-	   	int retval;
-	   	retval = mtrr_del(dev->agp->agp_mtrr, 
-				  dev->agp->agp_info.aper_base,
-				  dev->agp->agp_info.aper_size * 1024*1024);
-	   	DRM_DEBUG("mtrr_del = %d\n", retval);
-	}
-#endif
-
-	mga_takedown(dev);
-	if (dev->agp) {
-		drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS);
-		dev->agp = NULL;
-	}
-}
-
-int
-mga_version(dev_t kdev, u_long cmd, caddr_t data, int flags, struct proc *p)
-{
-	drm_version_t version;
-	int	      len;
-
-	version = *(drm_version_t *) data;
-
-#define DRM_COPY(name,value)				\
-	len = strlen(value);				\
-	if (len > name##_len) len = name##_len;		\
-	name##_len = strlen(value);			\
-	if (len && name) {				\
-		int error = copyout(value, name, len);	\
-		if (error) return error;		\
-	}
-
-	version.version_major	   = MGA_MAJOR;
-	version.version_minor	   = MGA_MINOR;
-	version.version_patchlevel = MGA_PATCHLEVEL;
-
-	DRM_COPY(version.name, MGA_NAME);
-	DRM_COPY(version.date, MGA_DATE);
-	DRM_COPY(version.desc, MGA_DESC);
-
-	*(drm_version_t *) data = version;
-	return 0;
-}
-
-int
-mga_open(dev_t kdev, int flags, int fmt, struct proc *p)
-{
-	drm_device_t  *dev    = MGA_SOFTC(minor(kdev));
-	int	      retcode = 0;
-	
-	DRM_DEBUG("open_count = %d\n", dev->open_count);
-
-	device_busy(dev->device);
-	if (!(retcode = drm_open_helper(kdev, flags, fmt, p, dev))) {
-		atomic_inc(&dev->total_open);
-		simple_lock(&dev->count_lock);
-		if (!dev->open_count++) {
-			simple_unlock(&dev->count_lock);
-			retcode = mga_setup(dev);
-		}
-		simple_unlock(&dev->count_lock);
-	}
-	device_unbusy(dev->device);
-
-	return retcode;
-}
-
-int
-mga_close(dev_t kdev, int flags, int fmt, struct proc *p)
-{
-	drm_device_t  *dev    = kdev->si_drv1;
-	drm_file_t    *priv;
-	int	      retcode = 0;
-
-	DRM_DEBUG("pid = %d, open_count = %d\n",
-		  p->p_pid, dev->open_count);
-
-	priv = drm_find_file_by_proc(dev, p);
-	if (!priv) {
-		DRM_DEBUG("can't find authenticator\n");
-		return EINVAL;
-	}
-
-	if (dev->lock.hw_lock && _DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)
-	    && dev->lock.pid == p->p_pid) {
-	      	mga_reclaim_buffers(dev, priv->pid);
-		DRM_ERROR("Process %d dead, freeing lock for context %d\n",
-			  p->p_pid,
-			  _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));
-		drm_lock_free(dev,
-			      &dev->lock.hw_lock->lock,
-			      _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));
-		
-				/* FIXME: may require heavy-handed reset of
-                                   hardware at this point, possibly
-                                   processed via a callback to the X
-                                   server. */
-	} else if (dev->lock.hw_lock) {
-	   	/* The lock is required to reclaim buffers */
-		for (;;) {
-			if (!dev->lock.hw_lock) {
-				/* Device has been unregistered */
-				retcode = EINTR;
-				break;
-			}
-			if (drm_lock_take(&dev->lock.hw_lock->lock,
-					  DRM_KERNEL_CONTEXT)) {
-				dev->lock.pid	    = p->p_pid;
-				dev->lock.lock_time = ticks;
-				atomic_inc(&dev->total_locks);
-				break;	/* Got lock */
-			}			
-				/* Contention */
-			atomic_inc(&dev->total_sleeps);
-			retcode = tsleep(&dev->lock.lock_queue,
-					 PZERO|PCATCH,
-					 "drmlk2",
-					 0);
-			if (retcode)
-				break;
-		}
-	   	if(!retcode) {
-		   	mga_reclaim_buffers(dev, priv->pid);
-		   	drm_lock_free(dev, &dev->lock.hw_lock->lock,
-				      DRM_KERNEL_CONTEXT);
-		}
-	}
-	funsetown(dev->buf_sigio);
-
-	lockmgr(&dev->dev_lock, LK_EXCLUSIVE, 0, p);
-	priv = drm_find_file_by_proc(dev, p);
-	if (priv) {
-		priv->refs--;
-		if (!priv->refs) {
-			TAILQ_REMOVE(&dev->files, priv, link);
-			drm_free(priv, sizeof(*priv), DRM_MEM_FILES);
-		}
-	}
-	lockmgr(&dev->dev_lock, LK_RELEASE, 0, p);
-
-   	atomic_inc(&dev->total_close);
-   	simple_lock(&dev->count_lock);
-   	if (!--dev->open_count) {
-	   	if (atomic_read(&dev->ioctl_count) || dev->blocked) {
-		   	DRM_ERROR("Device busy: %d %d\n",
-				  atomic_read(&dev->ioctl_count),
-				  dev->blocked);
-		   	simple_unlock(&dev->count_lock);
-		   	return EBUSY;
-		}
-	   	simple_unlock(&dev->count_lock);
-		device_unbusy(dev->device);
-	   	return mga_takedown(dev);
-	}
-   	simple_unlock(&dev->count_lock);
-	return retcode;
-}
-
-
-/* mga_ioctl is called whenever a process performs an ioctl on /dev/drm. */
-
-int
-mga_ioctl(dev_t kdev, u_long cmd, caddr_t data, int flags, struct proc *p)
-{
-	int		 nr	 = DRM_IOCTL_NR(cmd);
-	drm_device_t	 *dev	 = kdev->si_drv1;
-	drm_file_t	 *priv;
-	int		 retcode = 0;
-	drm_ioctl_desc_t *ioctl;
-	d_ioctl_t	 *func;
-
-	DRM_DEBUG("dev=%p\n", dev);
-	priv = drm_find_file_by_proc(dev, p);
-	if (!priv) {
-		DRM_DEBUG("can't find authenticator\n");
-		return EINVAL;
-	}
-
-	atomic_inc(&dev->ioctl_count);
-	atomic_inc(&dev->total_ioctl);
-	++priv->ioctl_count;
-	
-	DRM_DEBUG("pid = %d, cmd = 0x%02lx, nr = 0x%02x, auth = %d\n",
-		  p->p_pid, cmd, nr, priv->authenticated);
-
-	switch (cmd) {
-	case FIONBIO:
-		atomic_dec(&dev->ioctl_count);
-		return 0;
-
-	case FIOASYNC:
-		atomic_dec(&dev->ioctl_count);
-		dev->flags |= FASYNC;
-		return 0;
-
-	case FIOSETOWN:
-		atomic_dec(&dev->ioctl_count);
-		return fsetown(*(int *)data, &dev->buf_sigio);
-
-	case FIOGETOWN:
-		atomic_dec(&dev->ioctl_count);
-		*(int *) data = fgetown(dev->buf_sigio);
-		return 0;
-	}
-
-	if (nr >= MGA_IOCTL_COUNT) {
-		retcode = EINVAL;
-	} else {
-		ioctl	  = &mga_ioctls[nr];
-		func	  = ioctl->func;
-
-		if (!func) {
-			DRM_DEBUG("no function\n");
-			retcode = EINVAL;
-		} else if ((ioctl->root_only && suser(p))
-			    || (ioctl->auth_needed && !priv->authenticated)) {
-			retcode = EACCES;
-		} else {
-			retcode = (func)(kdev, cmd, data, flags, p);
-		}
-	}
-	
-	atomic_dec(&dev->ioctl_count);
-	return retcode;
-}
-
-int
-mga_unlock(dev_t kdev, u_long cmd, caddr_t data, int flags, struct proc *p)
-{
-        drm_device_t      *dev    = kdev->si_drv1;
-	drm_lock_t	  lock;
-	int		  s;
-
-	lock = *(drm_lock_t *) data;
-	
-	if (lock.context == DRM_KERNEL_CONTEXT) {
-		DRM_ERROR("Process %d using kernel context %d\n",
-			  p->p_pid, lock.context);
-		return EINVAL;
-	}
-
-	DRM_DEBUG("%d frees lock (%d holds)\n",
-		  lock.context,
-		  _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));
-	atomic_inc(&dev->total_unlocks);
-	if (_DRM_LOCK_IS_CONT(dev->lock.hw_lock->lock))
-		atomic_inc(&dev->total_contends);
-	drm_lock_transfer(dev, &dev->lock.hw_lock->lock, DRM_KERNEL_CONTEXT);
-
-	s = splsofttq();
-	mga_dma_schedule(dev, 1);
-	splx(s);
-
-	if (drm_lock_free(dev, &dev->lock.hw_lock->lock,
-			  DRM_KERNEL_CONTEXT)) {
-	   DRM_ERROR("\n");
-	}
-
-	return 0;
-}
+#define DRIVER_IOCTLS							   \
+	[DRM_IOCTL_NR(DRM_IOCTL_DMA)]	      = { mga_dma_buffers, 1, 0 }, \
+	[DRM_IOCTL_NR(DRM_IOCTL_MGA_INIT)]    = { mga_dma_init,    1, 1 }, \
+	[DRM_IOCTL_NR(DRM_IOCTL_MGA_FLUSH)]   = { mga_dma_flush,   1, 0 }, \
+	[DRM_IOCTL_NR(DRM_IOCTL_MGA_RESET)]   = { mga_dma_reset,   1, 0 }, \
+	[DRM_IOCTL_NR(DRM_IOCTL_MGA_SWAP)]    = { mga_dma_swap,    1, 0 }, \
+	[DRM_IOCTL_NR(DRM_IOCTL_MGA_CLEAR)]   = { mga_dma_clear,   1, 0 }, \
+	[DRM_IOCTL_NR(DRM_IOCTL_MGA_VERTEX)]  = { mga_dma_vertex,  1, 0 }, \
+	[DRM_IOCTL_NR(DRM_IOCTL_MGA_INDICES)] = { mga_dma_indices, 1, 0 }, \
+	[DRM_IOCTL_NR(DRM_IOCTL_MGA_ILOAD)]   = { mga_dma_iload,   1, 0 }, \
+	[DRM_IOCTL_NR(DRM_IOCTL_MGA_BLIT)]    = { mga_dma_blit,    1, 0 },
+
+
+#define __HAVE_COUNTERS         3
+#define __HAVE_COUNTER6         _DRM_STAT_IRQ
+#define __HAVE_COUNTER7         _DRM_STAT_PRIMARY
+#define __HAVE_COUNTER8         _DRM_STAT_SECONDARY
+
+
+#include "drm_agpsupport.h"
+#include "drm_auth.h"
+#include "drm_bufs.h"
+#include "drm_context.h"
+#include "drm_dma.h"
+#include "drm_drawable.h"
+#include "drm_drv.h"
+
+
+#include "drm_fops.h"
+#include "drm_init.h"
+#include "drm_ioctl.h"
+#include "drm_lock.h"
+#include "drm_memory.h"
+#include "drm_vm.h"
+#include "drm_sysctl.h"
+
+DRIVER_MODULE(mga, pci, mga_driver, mga_devclass, 0, 0);
diff --git a/bsd/mga/mga_drv.h b/bsd/mga/mga_drv.h
index 9e51a20d..be207e30 100644
--- a/bsd/mga/mga_drv.h
+++ b/bsd/mga/mga_drv.h
@@ -1,4 +1,4 @@
-/* mga_drv.h -- Private header for the Matrox g200/g400 driver
+/* mga_drv.h -- Private header for the Matrox G200/G400 driver -*- linux-c -*-
  * Created: Mon Dec 13 01:50:01 1999 by jhartmann@precisioninsight.com
  *
  * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
@@ -11,163 +11,157 @@
  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  * and/or sell copies of the Software, and to permit persons to whom the
  * Software is furnished to do so, subject to the following conditions:
- * 
+ *
  * The above copyright notice and this permission notice (including the next
  * paragraph) shall be included in all copies or substantial portions of the
  * Software.
- * 
+ *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors: Rickard E. (Rik) Faith <faith@valinux.com>
- * 	    Jeff Hartmann <jhartmann@valinux.com>
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
  *
+ * Authors:
+ *    Gareth Hughes <gareth@valinux.com>
  */
 
-#ifndef _MGA_DRV_H_
-#define _MGA_DRV_H_
+#ifndef __MGA_DRV_H__
+#define __MGA_DRV_H__
 
-#define MGA_BUF_IN_USE         0
-#define MGA_BUF_SWAP_PENDING   1
-#define MGA_BUF_FORCE_FIRE     2
-#define MGA_BUF_NEEDS_OVERFLOW 3
+#ifndef u8
+#define u8  u_int8_t
+#define u16 u_int16_t
+#define u32 u_int32_t
+#endif
 
-typedef struct {
-	u_int32_t buffer_status;
-   	int num_dwords;
-   	int max_dwords;
-   	u_int32_t *current_dma_ptr;
-   	u_int32_t *head;
-   	u_int32_t phys_head;
-	unsigned int prim_age;
-   	int sec_used;
-   	int idx;
-} drm_mga_prim_buf_t;
-
-typedef struct _drm_mga_freelist {
-   	__volatile__ unsigned int age;
+typedef struct drm_mga_primary_buffer {
+	u8 *start;
+	u8 *end;
+	int size;
+
+	u32 tail;
+	int space;
+	volatile long wrapped;
+
+	volatile u32 *status;
+
+	u32 last_flush;
+	u32 last_wrap;
+
+	u32 high_mark;
+
+	spinlock_t list_lock;
+} drm_mga_primary_buffer_t;
+
+typedef struct drm_mga_freelist {
+   	struct drm_mga_freelist *next;
+   	struct drm_mga_freelist *prev;
+	drm_mga_age_t age;
    	drm_buf_t *buf;
-   	struct _drm_mga_freelist *next;
-   	struct _drm_mga_freelist *prev;
 } drm_mga_freelist_t;
 
-#define MGA_IN_DISPATCH   0
-#define MGA_IN_FLUSH      1
-#define MGA_IN_WAIT       2
-#define MGA_IN_GETBUF	  3
-
-typedef struct _drm_mga_private {
-   	u_int32_t dispatch_status;
-	unsigned int next_prim_age;
-	__volatile__ unsigned int last_prim_age;
-   	int reserved_map_idx;
-   	int buffer_map_idx;
-   	drm_mga_sarea_t *sarea_priv;
-   	int primary_size;
-   	int warp_ucode_size;
-   	int chipset;
-   	unsigned int frontOffset;
-   	unsigned int backOffset;
-   	unsigned int depthOffset;
-   	unsigned int textureOffset;
-   	unsigned int textureSize;
-   	int cpp;
-   	unsigned int stride;
-   	int sgram;
-	int use_agp;
-   	drm_mga_warp_index_t WarpIndex[MGA_MAX_G400_PIPES];
-	unsigned int WarpPipe;
-	unsigned int vertexsize;
-   	atomic_t pending_bufs;
-   	void *status_page;
-   	unsigned long real_status_page;
-   	u_int8_t *ioremap;
-   	drm_mga_prim_buf_t **prim_bufs;
-   	drm_mga_prim_buf_t *next_prim;
-   	drm_mga_prim_buf_t *last_prim;
-   	drm_mga_prim_buf_t *current_prim;
-   	int current_prim_idx;
+typedef struct {
+   	drm_mga_freelist_t *list_entry;
+	int discard;
+	int dispatched;
+} drm_mga_buf_priv_t;
+
+typedef struct drm_mga_private {
+	drm_mga_primary_buffer_t prim;
+	drm_mga_sarea_t *sarea_priv;
+
    	drm_mga_freelist_t *head;
    	drm_mga_freelist_t *tail;
-	int flush_queue;		/* Processes waiting until flush    */
-      	int wait_queue;			/* Processes waiting until interrupt */
-	int buf_queue;			/* Processes waiting for a free buf */
-	/* Some validated register values:
-	 */	
-	u_int32_t mAccess;
-} drm_mga_private_t;
 
-				/* mga_drv.c */
-extern int  mga_init(device_t);
-extern void mga_cleanup(device_t);
-extern d_ioctl_t mga_version;
-extern d_open_t mga_open;
-extern d_close_t mga_close;
-extern d_ioctl_t mga_ioctl;
-extern d_ioctl_t mga_unlock;
+	unsigned int warp_pipe;
+	unsigned long warp_pipe_phys[MGA_MAX_WARP_PIPES];
+
+	int chipset;
+	int usec_timeout;
+
+	u32 clear_cmd;
+	u32 maccess;
+
+	unsigned int fb_cpp;
+	unsigned int front_offset;
+	unsigned int front_pitch;
+	unsigned int back_offset;
+	unsigned int back_pitch;
+
+	unsigned int depth_cpp;
+	unsigned int depth_offset;
+	unsigned int depth_pitch;
+
+	unsigned int texture_offset;
+	unsigned int texture_size;
+
+	drm_map_t *sarea;
+	drm_map_t *fb;
+	drm_map_t *mmio;
+	drm_map_t *status;
+	drm_map_t *warp;
+	drm_map_t *primary;
+	drm_map_t *buffers;
+	drm_map_t *agp_textures;
+} drm_mga_private_t;
 
 				/* mga_dma.c */
-extern int  mga_dma_schedule(drm_device_t *dev, int locked);
-extern int  mga_irq_install(drm_device_t *dev, int irq);
-extern int  mga_irq_uninstall(drm_device_t *dev);
-extern d_ioctl_t mga_dma;
-extern d_ioctl_t mga_control;
-extern d_ioctl_t mga_lock;
-
-/* mga_dma_init does init and release */
-extern int mga_dma_cleanup(drm_device_t *dev);
-extern d_ioctl_t mga_dma_init;
-extern d_ioctl_t mga_flush_ioctl;
-extern void mga_flush_write_combine(void);
-extern unsigned int mga_create_sync_tag(drm_device_t *dev);
-extern drm_buf_t *mga_freelist_get(drm_device_t *dev);
-extern int mga_freelist_put(drm_device_t *dev, drm_buf_t *buf);
-extern int mga_advance_primary(drm_device_t *dev);
-extern void mga_reclaim_buffers(drm_device_t *dev, pid_t pid);
-
-				/* mga_bufs.c */
-extern d_ioctl_t mga_addbufs;
-extern d_ioctl_t mga_infobufs;
-extern d_ioctl_t mga_markbufs;
-extern d_ioctl_t mga_freebufs;
-extern d_ioctl_t mga_mapbufs;
-extern d_ioctl_t mga_addmap;
-				/* mga_state.c */
-extern d_ioctl_t mga_clear_bufs;
-extern d_ioctl_t mga_swap_bufs;
-extern d_ioctl_t mga_iload;
-extern d_ioctl_t mga_vertex;
-extern d_ioctl_t mga_indices;
-				/* mga_context.c */
-extern d_ioctl_t mga_resctx;
-extern d_ioctl_t mga_addctx;
-extern d_ioctl_t mga_modctx;
-extern d_ioctl_t mga_getctx;
-extern d_ioctl_t mga_switchctx;
-extern d_ioctl_t mga_newctx;
-extern d_ioctl_t mga_rmctx;
-
-extern int  mga_context_switch(drm_device_t *dev, int old, int new);
-extern int  mga_context_switch_complete(drm_device_t *dev, int new);
-
-
-typedef enum {
-	TT_GENERAL,
-	TT_BLIT,
-	TT_VECTOR,
-	TT_VERTEX
-} transferType_t;
+extern int mga_dma_init( DRM_OS_IOCTL );
+extern int mga_dma_flush( DRM_OS_IOCTL );
+extern int mga_dma_reset( DRM_OS_IOCTL );
+extern int mga_dma_buffers( DRM_OS_IOCTL );
 
-typedef struct {
-   	drm_mga_freelist_t *my_freelist;
-	int discard;
-	int dispatched;
-} drm_mga_buf_priv_t;
+extern int mga_do_wait_for_idle( drm_mga_private_t *dev_priv );
+extern int mga_do_dma_idle( drm_mga_private_t *dev_priv );
+extern int mga_do_dma_reset( drm_mga_private_t *dev_priv );
+extern int mga_do_engine_reset( drm_mga_private_t *dev_priv );
+extern int mga_do_cleanup_dma( drm_device_t *dev );
+
+extern void mga_do_dma_flush( drm_mga_private_t *dev_priv );
+extern void mga_do_dma_wrap_start( drm_mga_private_t *dev_priv );
+extern void mga_do_dma_wrap_end( drm_mga_private_t *dev_priv );
+
+extern int mga_freelist_put( drm_device_t *dev, drm_buf_t *buf );
+
+				/* mga_state.c */
+extern int  mga_dma_clear( DRM_OS_IOCTL );
+extern int  mga_dma_swap( DRM_OS_IOCTL );
+extern int  mga_dma_vertex( DRM_OS_IOCTL );
+extern int  mga_dma_indices( DRM_OS_IOCTL );
+extern int  mga_dma_iload( DRM_OS_IOCTL );
+extern int  mga_dma_blit( DRM_OS_IOCTL );
+
+				/* mga_warp.c */
+extern int mga_warp_install_microcode( drm_mga_private_t *dev_priv );
+extern int mga_warp_init( drm_mga_private_t *dev_priv );
+
+#define mga_flush_write_combine()	DRM_OS_READMEMORYBARRIER
+
+#define MGA_BASE( reg )		((unsigned long)(dev_priv->mmio->handle))
+#define MGA_ADDR( reg )		(MGA_BASE(reg) + reg)
+
+#define MGA_DEREF( reg )	*(volatile u32 *)MGA_ADDR( reg )
+#define MGA_DEREF8( reg )	*(volatile u8 *)MGA_ADDR( reg )
+
+#ifdef __alpha__
+#define MGA_READ( reg )		(_MGA_READ((u32 *)MGA_ADDR(reg)))
+#define MGA_WRITE( reg, val )	do { wmb(); MGA_DEREF( reg ) = val; } while (0)
+#define MGA_WRITE8( reg, val )  do { wmb(); MGA_DEREF8( reg ) = val; } while (0)
+
+static inline u32 _MGA_READ(u32 *addr)
+{
+	mb();
+	return *(volatile u32 *)addr;
+}
+
+#else
+#define MGA_READ( reg )		MGA_DEREF( reg )
+#define MGA_WRITE( reg, val )	do { MGA_DEREF( reg ) = val; } while (0)
+#define MGA_WRITE8( reg, val )  do { MGA_DEREF8( reg ) = val; } while (0)
+#endif
 
 #define DWGREG0 	0x1c00
 #define DWGREG0_END 	0x1dff
@@ -175,322 +169,470 @@ typedef struct {
 #define DWGREG1_END	0x2dff
 
 #define ISREG0(r)	(r >= DWGREG0 && r <= DWGREG0_END)
-#define ADRINDEX0(r)	(u_int8_t)((r - DWGREG0) >> 2)
-#define ADRINDEX1(r)	(u_int8_t)(((r - DWGREG1) >> 2) | 0x80)
-#define ADRINDEX(r)	(ISREG0(r) ? ADRINDEX0(r) : ADRINDEX1(r)) 
-
-#define MGA_VERBOSE 0
-#define MGA_NUM_PRIM_BUFS 	8
-
-#define PRIMLOCALS	u_int8_t tempIndex[4]; u_int32_t *dma_ptr; u_int32_t phys_head; \
-			int outcount, num_dwords
-
-#define PRIM_OVERFLOW(dev, dev_priv, length) do {			\
-	drm_mga_prim_buf_t *tmp_buf =					\
- 		dev_priv->prim_bufs[dev_priv->current_prim_idx];	\
-	if( test_bit(MGA_BUF_NEEDS_OVERFLOW,				\
-		  &tmp_buf->buffer_status)) {				\
- 		mga_advance_primary(dev);				\
- 		mga_dma_schedule(dev, 1);				\
-		tmp_buf = dev_priv->prim_bufs[dev_priv->current_prim_idx]; \
- 	} else if( tmp_buf->max_dwords - tmp_buf->num_dwords < length ||\
- 	    tmp_buf->sec_used > MGA_DMA_BUF_NR/2) {			\
-		set_bit(MGA_BUF_FORCE_FIRE, &tmp_buf->buffer_status);	\
- 		mga_advance_primary(dev);				\
- 		mga_dma_schedule(dev, 1);				\
-		tmp_buf = dev_priv->prim_bufs[dev_priv->current_prim_idx]; \
+#define DMAREG0(r)	(u8)((r - DWGREG0) >> 2)
+#define DMAREG1(r)	(u8)(((r - DWGREG1) >> 2) | 0x80)
+#define DMAREG(r)	(ISREG0(r) ? DMAREG0(r) : DMAREG1(r))
+
+
+
+/* ================================================================
+ * Helper macross...
+ */
+
+#define MGA_EMIT_STATE( dev_priv, dirty )				\
+do {									\
+	if ( (dirty) & ~MGA_UPLOAD_CLIPRECTS ) {			\
+		if ( dev_priv->chipset == MGA_CARD_TYPE_G400 ) {	\
+			mga_g400_emit_state( dev_priv );		\
+		} else {						\
+			mga_g200_emit_state( dev_priv );		\
+		}							\
 	}								\
-	if(MGA_VERBOSE) 						\
-		DRM_DEBUG("PRIMGETPTR in %s\n", __FUNCTION__);		\
-	dma_ptr = tmp_buf->current_dma_ptr;				\
-	num_dwords = tmp_buf->num_dwords;				\
-	phys_head = tmp_buf->phys_head;					\
-	outcount = 0;							\
-} while(0)
-
-#define PRIMGETPTR(dev_priv) do {					\
-	drm_mga_prim_buf_t *tmp_buf =					\
-		dev_priv->prim_bufs[dev_priv->current_prim_idx];	\
-	if(MGA_VERBOSE)							\
-		DRM_DEBUG("PRIMGETPTR in %s\n", __FUNCTION__);		\
-	dma_ptr = tmp_buf->current_dma_ptr;				\
-	num_dwords = tmp_buf->num_dwords;				\
-	phys_head = tmp_buf->phys_head;					\
-	outcount = 0;							\
-} while(0)
-
-#define PRIMPTR(prim_buf) do {					\
-	if(MGA_VERBOSE)						\
-		DRM_DEBUG("PRIMPTR in %s\n", __FUNCTION__);	\
-	dma_ptr = prim_buf->current_dma_ptr;			\
-	num_dwords = prim_buf->num_dwords;			\
-	phys_head = prim_buf->phys_head;			\
-	outcount = 0;						\
-} while(0)
-
-#define PRIMFINISH(prim_buf) do {				\
-	if (MGA_VERBOSE) {					\
-		DRM_DEBUG( "PRIMFINISH in %s\n", __FUNCTION__);	\
-                if (outcount & 3)				\
-                      DRM_DEBUG(" --- truncation\n");	        \
-        }							\
-	prim_buf->num_dwords = num_dwords;			\
-	prim_buf->current_dma_ptr = dma_ptr;			\
-} while(0)
-
-#define PRIMADVANCE(dev_priv)	do {				\
-drm_mga_prim_buf_t *tmp_buf = 					\
-	dev_priv->prim_bufs[dev_priv->current_prim_idx];	\
-	if (MGA_VERBOSE) {					\
-		DRM_DEBUG("PRIMADVANCE in %s\n", __FUNCTION__);	\
-                if (outcount & 3)				\
-                      DRM_DEBUG(" --- truncation\n");	\
-        }							\
-	tmp_buf->num_dwords = num_dwords;      			\
-	tmp_buf->current_dma_ptr = dma_ptr;    			\
 } while (0)
 
-#define PRIMUPDATE(dev_priv)	do {					\
-	drm_mga_prim_buf_t *tmp_buf =					\
-		dev_priv->prim_bufs[dev_priv->current_prim_idx];	\
-	tmp_buf->sec_used++;						\
+#define LOCK_TEST_WITH_RETURN( dev )					\
+do {									\
+	if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) ||		\
+	     dev->lock.pid != DRM_OS_CURRENTPID ) {			\
+		DRM_ERROR( "%s called without lock held\n",		\
+			   __FUNCTION__ );				\
+		DRM_OS_RETURN( EINVAL );				\
+	}								\
 } while (0)
 
-#define AGEBUF(dev_priv, buf_priv)	do {				\
-	drm_mga_prim_buf_t *tmp_buf =					\
-		dev_priv->prim_bufs[dev_priv->current_prim_idx];	\
-	buf_priv->my_freelist->age = tmp_buf->prim_age;			\
+#define WRAP_TEST_WITH_RETURN( dev_priv )				\
+do {									\
+	if ( test_bit( 0, &dev_priv->prim.wrapped ) ) {			\
+		if ( mga_is_idle( dev_priv ) ) {			\
+			mga_do_dma_wrap_end( dev_priv );		\
+		} else if ( dev_priv->prim.space <			\
+			    dev_priv->prim.high_mark ) {		\
+			if ( MGA_DMA_DEBUG )				\
+				DRM_INFO( __FUNCTION__": wrap...\n" );	\
+			DRM_OS_RETURN( EBUSY);				\
+		}							\
+	}								\
 } while (0)
 
+#define WRAP_WAIT_WITH_RETURN( dev_priv )				\
+do {									\
+	if ( test_bit( 0, &dev_priv->prim.wrapped ) ) {			\
+		if ( mga_do_wait_for_idle( dev_priv ) ) {		\
+			if ( MGA_DMA_DEBUG )				\
+				DRM_INFO( __FUNCTION__": wrap...\n" );	\
+			DRM_OS_RETURN( EBUSY);			\
+		}							\
+		mga_do_dma_wrap_end( dev_priv );			\
+	}								\
+} while (0)
+
+
+/* ================================================================
+ * Primary DMA command stream
+ */
+
+#define MGA_VERBOSE	0
 
-#define PRIMOUTREG(reg, val) do {					\
-	tempIndex[outcount]=ADRINDEX(reg);				\
-	dma_ptr[1+outcount] = val;					\
-	if (MGA_VERBOSE)						\
-		DRM_DEBUG("   PRIMOUT %d: 0x%x -- 0x%x\n",		\
-		       num_dwords + 1 + outcount, ADRINDEX(reg), val);	\
-	if( ++outcount == 4) {						\
-		outcount = 0;						\
-		dma_ptr[0] = *(u_int32_t *)tempIndex;			\
-		dma_ptr+=5;						\
-		num_dwords += 5;					\
+#define DMA_LOCALS	unsigned int write; volatile u8 *prim;
+
+#define DMA_BLOCK_SIZE	(5 * sizeof(u32))
+
+#define BEGIN_DMA( n )							\
+do {									\
+	if ( MGA_VERBOSE ) {						\
+		DRM_INFO( "BEGIN_DMA( %d ) in %s\n",			\
+			  (n), __FUNCTION__ );				\
+		DRM_INFO( "   space=0x%x req=0x%x\n",			\
+			  dev_priv->prim.space, (n) * DMA_BLOCK_SIZE );	\
 	}								\
-}while (0)
+	prim = dev_priv->prim.start;					\
+	write = dev_priv->prim.tail;					\
+} while (0)
+
+#define BEGIN_DMA_WRAP()						\
+do {									\
+	if ( MGA_VERBOSE ) {						\
+		DRM_INFO( "BEGIN_DMA() in %s\n", __FUNCTION__ );	\
+		DRM_INFO( "   space=0x%x\n", dev_priv->prim.space );	\
+	}								\
+	prim = dev_priv->prim.start;					\
+	write = dev_priv->prim.tail;					\
+} while (0)
+
+#define ADVANCE_DMA()							\
+do {									\
+	dev_priv->prim.tail = write;					\
+	if ( MGA_VERBOSE ) {						\
+		DRM_INFO( "ADVANCE_DMA() tail=0x%05x sp=0x%x\n",	\
+			  write, dev_priv->prim.space );		\
+	}								\
+} while (0)
+
+#define FLUSH_DMA()							\
+do {									\
+	if ( 0 ) {							\
+		DRM_INFO( __FUNCTION__ ":\n" );				\
+		DRM_INFO( "   tail=0x%06x head=0x%06lx\n",		\
+			  dev_priv->prim.tail,				\
+			  MGA_READ( MGA_PRIMADDRESS ) -			\
+			  dev_priv->primary->offset );			\
+	}								\
+	if ( !test_bit( 0, &dev_priv->prim.wrapped ) ) {		\
+		if ( dev_priv->prim.space <				\
+		     dev_priv->prim.high_mark ) {			\
+			mga_do_dma_wrap_start( dev_priv );		\
+		} else {						\
+			mga_do_dma_flush( dev_priv );			\
+		}							\
+	}								\
+} while (0)
+
+/* Never use this, always use DMA_BLOCK(...) for primary DMA output.
+ */
+#define DMA_WRITE( offset, val )					\
+do {									\
+	if ( MGA_VERBOSE ) {						\
+		DRM_INFO( "   DMA_WRITE( 0x%08x ) at 0x%04x\n",		\
+			  (u32)(val), write + (offset) * sizeof(u32) );	\
+	}								\
+	*(volatile u32 *)(prim + write + (offset) * sizeof(u32)) = val;	\
+} while (0)
+
+#define DMA_BLOCK( reg0, val0, reg1, val1, reg2, val2, reg3, val3 )	\
+do {									\
+	DMA_WRITE( 0, ((DMAREG( reg0 ) << 0) |				\
+		       (DMAREG( reg1 ) << 8) |				\
+		       (DMAREG( reg2 ) << 16) |				\
+		       (DMAREG( reg3 ) << 24)) );			\
+	DMA_WRITE( 1, val0 );						\
+	DMA_WRITE( 2, val1 );						\
+	DMA_WRITE( 3, val2 );						\
+	DMA_WRITE( 4, val3 );						\
+	write += DMA_BLOCK_SIZE;					\
+} while (0)
+
+
+/* Buffer aging via primary DMA stream head pointer.
+ */
+
+#define SET_AGE( age, h, w )						\
+do {									\
+	(age)->head = h;						\
+	(age)->wrap = w;						\
+} while (0)
+
+#define TEST_AGE( age, h, w )		( (age)->wrap < w ||		\
+					  ( (age)->wrap == w &&		\
+					    (age)->head < h ) )
+
+#define AGE_BUFFER( buf_priv )						\
+do {									\
+	drm_mga_freelist_t *entry = (buf_priv)->list_entry;		\
+	if ( (buf_priv)->dispatched ) {					\
+		entry->age.head = (dev_priv->prim.tail +		\
+				   dev_priv->primary->offset);		\
+		entry->age.wrap = dev_priv->sarea_priv->last_wrap;	\
+	} else {							\
+		entry->age.head = 0;					\
+		entry->age.wrap = 0;					\
+	}								\
+} while (0)
+
+
+#define MGA_ENGINE_IDLE_MASK		(MGA_SOFTRAPEN |		\
+					 MGA_DWGENGSTS |		\
+					 MGA_ENDPRDMASTS)
+#define MGA_DMA_IDLE_MASK		(MGA_SOFTRAPEN |		\
+					 MGA_ENDPRDMASTS)
+
+#define MGA_DMA_DEBUG			0
+
+
 
 /* A reduced set of the mga registers.
  */
+#define MGA_CRTC_INDEX			0x1fd4
+
+#define MGA_ALPHACTRL 			0x2c7c
+#define MGA_AR0 			0x1c60
+#define MGA_AR1 			0x1c64
+#define MGA_AR2 			0x1c68
+#define MGA_AR3 			0x1c6c
+#define MGA_AR4 			0x1c70
+#define MGA_AR5 			0x1c74
+#define MGA_AR6 			0x1c78
+
+#define MGA_CXBNDRY			0x1c80
+#define MGA_CXLEFT 			0x1ca0
+#define MGA_CXRIGHT			0x1ca4
+
+#define MGA_DMAPAD 			0x1c54
+#define MGA_DSTORG 			0x2cb8
+#define MGA_DWGCTL 			0x1c00
+#	define MGA_OPCOD_MASK			(15 << 0)
+#	define MGA_OPCOD_TRAP			(4 << 0)
+#	define MGA_OPCOD_TEXTURE_TRAP		(6 << 0)
+#	define MGA_OPCOD_BITBLT			(8 << 0)
+#	define MGA_OPCOD_ILOAD			(9 << 0)
+#	define MGA_ATYPE_MASK			(7 << 4)
+#	define MGA_ATYPE_RPL			(0 << 4)
+#	define MGA_ATYPE_RSTR			(1 << 4)
+#	define MGA_ATYPE_ZI			(3 << 4)
+#	define MGA_ATYPE_BLK			(4 << 4)
+#	define MGA_ATYPE_I			(7 << 4)
+#	define MGA_LINEAR			(1 << 7)
+#	define MGA_ZMODE_MASK			(7 << 8)
+#	define MGA_ZMODE_NOZCMP			(0 << 8)
+#	define MGA_ZMODE_ZE			(2 << 8)
+#	define MGA_ZMODE_ZNE			(3 << 8)
+#	define MGA_ZMODE_ZLT			(4 << 8)
+#	define MGA_ZMODE_ZLTE			(5 << 8)
+#	define MGA_ZMODE_ZGT			(6 << 8)
+#	define MGA_ZMODE_ZGTE			(7 << 8)
+#	define MGA_SOLID			(1 << 11)
+#	define MGA_ARZERO			(1 << 12)
+#	define MGA_SGNZERO			(1 << 13)
+#	define MGA_SHIFTZERO			(1 << 14)
+#	define MGA_BOP_MASK			(15 << 16)
+#	define MGA_BOP_ZERO			(0 << 16)
+#	define MGA_BOP_DST			(10 << 16)
+#	define MGA_BOP_SRC			(12 << 16)
+#	define MGA_BOP_ONE			(15 << 16)
+#	define MGA_TRANS_SHIFT			20
+#	define MGA_TRANS_MASK			(15 << 20)
+#	define MGA_BLTMOD_MASK			(15 << 25)
+#	define MGA_BLTMOD_BMONOLEF		(0 << 25)
+#	define MGA_BLTMOD_BMONOWF		(4 << 25)
+#	define MGA_BLTMOD_PLAN			(1 << 25)
+#	define MGA_BLTMOD_BFCOL			(2 << 25)
+#	define MGA_BLTMOD_BU32BGR		(3 << 25)
+#	define MGA_BLTMOD_BU32RGB		(7 << 25)
+#	define MGA_BLTMOD_BU24BGR		(11 << 25)
+#	define MGA_BLTMOD_BU24RGB		(15 << 25)
+#	define MGA_PATTERN			(1 << 29)
+#	define MGA_TRANSC			(1 << 30)
+#	define MGA_CLIPDIS			(1 << 31)
+#define MGA_DWGSYNC			0x2c4c
+
+#define MGA_FCOL 			0x1c24
+#define MGA_FIFOSTATUS 			0x1e10
+#define MGA_FOGCOL 			0x1cf4
+#define MGA_FXBNDRY			0x1c84
+#define MGA_FXLEFT 			0x1ca8
+#define MGA_FXRIGHT			0x1cac
+
+#define MGA_ICLEAR 			0x1e18
+#	define MGA_SOFTRAPICLR			(1 << 0)
+#define MGA_IEN 			0x1e1c
+#	define MGA_SOFTRAPIEN			(1 << 0)
+
+#define MGA_LEN 			0x1c5c
+
+#define MGA_MACCESS			0x1c04
+
+#define MGA_PITCH 			0x1c8c
+#define MGA_PLNWT 			0x1c1c
+#define MGA_PRIMADDRESS 		0x1e58
+#	define MGA_DMA_GENERAL			(0 << 0)
+#	define MGA_DMA_BLIT			(1 << 0)
+#	define MGA_DMA_VECTOR			(2 << 0)
+#	define MGA_DMA_VERTEX			(3 << 0)
+#define MGA_PRIMEND			0x1e5c
+#	define MGA_PRIMNOSTART			(1 << 0)
+#	define MGA_PAGPXFER			(1 << 1)
+#define MGA_PRIMPTR			0x1e50
+#	define MGA_PRIMPTREN0			(1 << 0)
+#	define MGA_PRIMPTREN1			(1 << 1)
+
+#define MGA_RST 			0x1e40
+#	define MGA_SOFTRESET			(1 << 0)
+#	define MGA_SOFTEXTRST			(1 << 1)
+
+#define MGA_SECADDRESS 			0x2c40
+#define MGA_SECEND 			0x2c44
+#define MGA_SETUPADDRESS 		0x2cd0
+#define MGA_SETUPEND 			0x2cd4
+#define MGA_SGN				0x1c58
+#define MGA_SOFTRAP			0x2c48
+#define MGA_SRCORG 			0x2cb4
+#	define MGA_SRMMAP_MASK			(1 << 0)
+#	define MGA_SRCMAP_FB			(0 << 0)
+#	define MGA_SRCMAP_SYSMEM		(1 << 0)
+#	define MGA_SRCACC_MASK			(1 << 1)
+#	define MGA_SRCACC_PCI			(0 << 1)
+#	define MGA_SRCACC_AGP			(1 << 1)
+#define MGA_STATUS 			0x1e14
+#	define MGA_SOFTRAPEN			(1 << 0)
+#	define MGA_DWGENGSTS			(1 << 16)
+#	define MGA_ENDPRDMASTS			(1 << 17)
+#define MGA_STENCIL			0x2cc8
+#define MGA_STENCILCTL 			0x2ccc
+
+#define MGA_TDUALSTAGE0 		0x2cf8
+#define MGA_TDUALSTAGE1 		0x2cfc
+#define MGA_TEXBORDERCOL 		0x2c5c
+#define MGA_TEXCTL 			0x2c30
+#define MGA_TEXCTL2			0x2c3c
+#	define MGA_DUALTEX			(1 << 7)
+#	define MGA_G400_TC2_MAGIC		(1 << 15)
+#	define MGA_MAP1_ENABLE			(1 << 31)
+#define MGA_TEXFILTER 			0x2c58
+#define MGA_TEXHEIGHT 			0x2c2c
+#define MGA_TEXORG 			0x2c24
+#	define MGA_TEXORGMAP_MASK		(1 << 0)
+#	define MGA_TEXORGMAP_FB			(0 << 0)
+#	define MGA_TEXORGMAP_SYSMEM		(1 << 0)
+#	define MGA_TEXORGACC_MASK		(1 << 1)
+#	define MGA_TEXORGACC_PCI		(0 << 1)
+#	define MGA_TEXORGACC_AGP		(1 << 1)
+#define MGA_TEXORG1			0x2ca4
+#define MGA_TEXORG2			0x2ca8
+#define MGA_TEXORG3			0x2cac
+#define MGA_TEXORG4			0x2cb0
+#define MGA_TEXTRANS 			0x2c34
+#define MGA_TEXTRANSHIGH 		0x2c38
+#define MGA_TEXWIDTH 			0x2c28
+
+#define MGA_WACCEPTSEQ 			0x1dd4
+#define MGA_WCODEADDR 			0x1e6c
+#define MGA_WFLAG 			0x1dc4
+#define MGA_WFLAG1 			0x1de0
+#define MGA_WFLAGNB			0x1e64
+#define MGA_WFLAGNB1 			0x1e08
+#define MGA_WGETMSB			0x1dc8
+#define MGA_WIADDR 			0x1dc0
+#define MGA_WIADDR2			0x1dd8
+#	define MGA_WMODE_SUSPEND		(0 << 0)
+#	define MGA_WMODE_RESUME			(1 << 0)
+#	define MGA_WMODE_JUMP			(2 << 0)
+#	define MGA_WMODE_START			(3 << 0)
+#	define MGA_WAGP_ENABLE			(1 << 2)
+#define MGA_WMISC 			0x1e70
+#	define MGA_WUCODECACHE_ENABLE		(1 << 0)
+#	define MGA_WMASTER_ENABLE		(1 << 1)
+#	define MGA_WCACHEFLUSH_ENABLE		(1 << 3)
+#define MGA_WVRTXSZ			0x1dcc
+
+#define MGA_YBOT 			0x1c9c
+#define MGA_YDST 			0x1c90
+#define MGA_YDSTLEN			0x1c88
+#define MGA_YDSTORG			0x1c94
+#define MGA_YTOP 			0x1c98
+
+#define MGA_ZORG 			0x1c0c
+
+/* This finishes the current batch of commands
+ */
+#define MGA_EXEC 			0x0100
 
-#define MGAREG_MGA_EXEC 			0x0100
-#define MGAREG_ALPHACTRL 			0x2c7c
-#define MGAREG_AR0 				0x1c60
-#define MGAREG_AR1 				0x1c64
-#define MGAREG_AR2 				0x1c68
-#define MGAREG_AR3 				0x1c6c
-#define MGAREG_AR4 				0x1c70
-#define MGAREG_AR5 				0x1c74
-#define MGAREG_AR6 				0x1c78
-#define MGAREG_CXBNDRY				0x1c80
-#define MGAREG_CXLEFT 				0x1ca0
-#define MGAREG_CXRIGHT				0x1ca4
-#define MGAREG_DMAPAD 				0x1c54
-#define MGAREG_DSTORG 				0x2cb8
-#define MGAREG_DWGCTL 				0x1c00
-#define MGAREG_DWGSYNC				0x2c4c
-#define MGAREG_FCOL 				0x1c24
-#define MGAREG_FIFOSTATUS 			0x1e10
-#define MGAREG_FOGCOL 				0x1cf4
-#define MGAREG_FXBNDRY				0x1c84
-#define MGAREG_FXLEFT 				0x1ca8
-#define MGAREG_FXRIGHT				0x1cac
-#define MGAREG_ICLEAR 				0x1e18
-#define MGAREG_IEN 				0x1e1c
-#define MGAREG_LEN 				0x1c5c
-#define MGAREG_MACCESS				0x1c04
-#define MGAREG_PITCH 				0x1c8c
-#define MGAREG_PLNWT 				0x1c1c
-#define MGAREG_PRIMADDRESS 			0x1e58
-#define MGAREG_PRIMEND				0x1e5c
-#define MGAREG_PRIMPTR				0x1e50
-#define MGAREG_SECADDRESS 			0x2c40
-#define MGAREG_SECEND 				0x2c44
-#define MGAREG_SETUPADDRESS 			0x2cd0
-#define MGAREG_SETUPEND 			0x2cd4
-#define MGAREG_SOFTRAP				0x2c48
-#define MGAREG_SRCORG 				0x2cb4
-#define MGAREG_STATUS 				0x1e14
-#define MGAREG_STENCIL				0x2cc8
-#define MGAREG_STENCILCTL 			0x2ccc
-#define MGAREG_TDUALSTAGE0 			0x2cf8
-#define MGAREG_TDUALSTAGE1 			0x2cfc
-#define MGAREG_TEXBORDERCOL 			0x2c5c
-#define MGAREG_TEXCTL 				0x2c30
-#define MGAREG_TEXCTL2				0x2c3c
-#define MGAREG_TEXFILTER 			0x2c58
-#define MGAREG_TEXHEIGHT 			0x2c2c
-#define MGAREG_TEXORG 				0x2c24
-#define MGAREG_TEXORG1				0x2ca4
-#define MGAREG_TEXORG2				0x2ca8
-#define MGAREG_TEXORG3				0x2cac
-#define MGAREG_TEXORG4				0x2cb0
-#define MGAREG_TEXTRANS 			0x2c34
-#define MGAREG_TEXTRANSHIGH 			0x2c38
-#define MGAREG_TEXWIDTH 			0x2c28
-#define MGAREG_WACCEPTSEQ 			0x1dd4
-#define MGAREG_WCODEADDR 			0x1e6c
-#define MGAREG_WFLAG 				0x1dc4
-#define MGAREG_WFLAG1 				0x1de0
-#define MGAREG_WFLAGNB				0x1e64
-#define MGAREG_WFLAGNB1 			0x1e08
-#define MGAREG_WGETMSB				0x1dc8
-#define MGAREG_WIADDR 				0x1dc0
-#define MGAREG_WIADDR2				0x1dd8
-#define MGAREG_WMISC 				0x1e70
-#define MGAREG_WVRTXSZ				0x1dcc
-#define MGAREG_YBOT 				0x1c9c
-#define MGAREG_YDST 				0x1c90
-#define MGAREG_YDSTLEN				0x1c88
-#define MGAREG_YDSTORG				0x1c94
-#define MGAREG_YTOP 				0x1c98
-#define MGAREG_ZORG 				0x1c0c
-
-/* Warp registers */
-#define MGAREG_WR0                              0x2d00
-#define MGAREG_WR1                              0x2d04
-#define MGAREG_WR2                              0x2d08
-#define MGAREG_WR3                              0x2d0c
-#define MGAREG_WR4                              0x2d10
-#define MGAREG_WR5                              0x2d14
-#define MGAREG_WR6                              0x2d18
-#define MGAREG_WR7                              0x2d1c
-#define MGAREG_WR8                              0x2d20
-#define MGAREG_WR9                              0x2d24
-#define MGAREG_WR10                             0x2d28
-#define MGAREG_WR11                             0x2d2c
-#define MGAREG_WR12                             0x2d30
-#define MGAREG_WR13                             0x2d34
-#define MGAREG_WR14                             0x2d38
-#define MGAREG_WR15                             0x2d3c
-#define MGAREG_WR16                             0x2d40
-#define MGAREG_WR17                             0x2d44
-#define MGAREG_WR18                             0x2d48
-#define MGAREG_WR19                             0x2d4c
-#define MGAREG_WR20                             0x2d50
-#define MGAREG_WR21                             0x2d54
-#define MGAREG_WR22                             0x2d58
-#define MGAREG_WR23                             0x2d5c
-#define MGAREG_WR24                             0x2d60
-#define MGAREG_WR25                             0x2d64
-#define MGAREG_WR26                             0x2d68
-#define MGAREG_WR27                             0x2d6c
-#define MGAREG_WR28                             0x2d70
-#define MGAREG_WR29                             0x2d74
-#define MGAREG_WR30                             0x2d78
-#define MGAREG_WR31                             0x2d7c
-#define MGAREG_WR32                             0x2d80
-#define MGAREG_WR33                             0x2d84
-#define MGAREG_WR34                             0x2d88
-#define MGAREG_WR35                             0x2d8c
-#define MGAREG_WR36                             0x2d90
-#define MGAREG_WR37                             0x2d94
-#define MGAREG_WR38                             0x2d98
-#define MGAREG_WR39                             0x2d9c
-#define MGAREG_WR40                             0x2da0
-#define MGAREG_WR41                             0x2da4
-#define MGAREG_WR42                             0x2da8
-#define MGAREG_WR43                             0x2dac
-#define MGAREG_WR44                             0x2db0
-#define MGAREG_WR45                             0x2db4
-#define MGAREG_WR46                             0x2db8
-#define MGAREG_WR47                             0x2dbc
-#define MGAREG_WR48                             0x2dc0
-#define MGAREG_WR49                             0x2dc4
-#define MGAREG_WR50                             0x2dc8
-#define MGAREG_WR51                             0x2dcc
-#define MGAREG_WR52                             0x2dd0
-#define MGAREG_WR53                             0x2dd4
-#define MGAREG_WR54                             0x2dd8
-#define MGAREG_WR55                             0x2ddc
-#define MGAREG_WR56                             0x2de0
-#define MGAREG_WR57                             0x2de4
-#define MGAREG_WR58                             0x2de8
-#define MGAREG_WR59                             0x2dec
-#define MGAREG_WR60                             0x2df0
-#define MGAREG_WR61                             0x2df4
-#define MGAREG_WR62                             0x2df8
-#define MGAREG_WR63                             0x2dfc
-
-
-#define PDEA_pagpxfer_enable			0x2
-
-#define WIA_wmode_suspend			0x0
-#define WIA_wmode_start 			0x3
-#define WIA_wagp_agp				0x4
-
-#define DC_opcod_line_open 			0x0
-#define DC_opcod_autoline_open 			0x1
-#define DC_opcod_line_close 			0x2
-#define DC_opcod_autoline_close 		0x3
-#define DC_opcod_trap 				0x4
-#define DC_opcod_texture_trap 			0x6
-#define DC_opcod_bitblt 			0x8
-#define DC_opcod_iload 				0x9
-#define DC_atype_rpl 				0x0
-#define DC_atype_rstr 				0x10
-#define DC_atype_zi 				0x30
-#define DC_atype_blk 				0x40
-#define DC_atype_i 				0x70
-#define DC_linear_xy 				0x0 		
-#define DC_linear_linear 			0x80 		
-#define DC_zmode_nozcmp 			0x0
-#define DC_zmode_ze 				0x200
-#define DC_zmode_zne 				0x300
-#define DC_zmode_zlt 				0x400
-#define DC_zmode_zlte 				0x500
-#define DC_zmode_zgt 				0x600
-#define DC_zmode_zgte 				0x700
-#define DC_solid_disable 			0x0 		
-#define DC_solid_enable 			0x800 		
-#define DC_arzero_disable 			0x0 		
-#define DC_arzero_enable 			0x1000 		
-#define DC_sgnzero_disable 			0x0 		
-#define DC_sgnzero_enable 			0x2000 		
-#define DC_shftzero_disable 			0x0 		
-#define DC_shftzero_enable 			0x4000 		
-#define DC_bop_SHIFT 				16 		
-#define DC_trans_SHIFT 				20 		
-#define DC_bltmod_bmonolef 			0x0
-#define DC_bltmod_bmonowf 			0x8000000
-#define DC_bltmod_bplan 			0x2000000
-#define DC_bltmod_bfcol 			0x4000000
-#define DC_bltmod_bu32bgr 			0x6000000
-#define DC_bltmod_bu32rgb 			0xe000000
-#define DC_bltmod_bu24bgr 			0x16000000
-#define DC_bltmod_bu24rgb 			0x1e000000
-#define DC_pattern_disable 			0x0 		
-#define DC_pattern_enable 			0x20000000 	
-#define DC_transc_disable 			0x0 		
-#define DC_transc_enable 			0x40000000 	
-#define DC_clipdis_disable 			0x0 		
-#define DC_clipdis_enable 			0x80000000 	
-
-#define SETADD_mode_vertlist                   	0x0 	
-
-
-#define MGA_CLEAR_CMD (DC_opcod_trap | DC_arzero_enable | 		\
-		       DC_sgnzero_enable | DC_shftzero_enable | 	\
-		       (0xC << DC_bop_SHIFT) | DC_clipdis_enable | 	\
-		       DC_solid_enable | DC_transc_enable)
-	  
-
-#define MGA_COPY_CMD (DC_opcod_bitblt | DC_atype_rpl | DC_linear_xy |	\
-		      DC_solid_disable | DC_arzero_disable | 		\
-		      DC_sgnzero_enable | DC_shftzero_enable | 		\
-		      (0xC << DC_bop_SHIFT) | DC_bltmod_bfcol | 	\
-		      DC_pattern_disable | DC_transc_disable | 		\
-		      DC_clipdis_enable)				\
-
-#define MGA_FLUSH_CMD (DC_opcod_texture_trap | (0xF << DC_trans_SHIFT) |\
-		       DC_arzero_enable | DC_sgnzero_enable |		\
-		       DC_atype_i)
+/* Warp registers
+ */
+#define MGA_WR0				0x2d00
+#define MGA_WR1				0x2d04
+#define MGA_WR2				0x2d08
+#define MGA_WR3				0x2d0c
+#define MGA_WR4				0x2d10
+#define MGA_WR5				0x2d14
+#define MGA_WR6				0x2d18
+#define MGA_WR7				0x2d1c
+#define MGA_WR8				0x2d20
+#define MGA_WR9				0x2d24
+#define MGA_WR10			0x2d28
+#define MGA_WR11			0x2d2c
+#define MGA_WR12			0x2d30
+#define MGA_WR13			0x2d34
+#define MGA_WR14			0x2d38
+#define MGA_WR15			0x2d3c
+#define MGA_WR16			0x2d40
+#define MGA_WR17			0x2d44
+#define MGA_WR18			0x2d48
+#define MGA_WR19			0x2d4c
+#define MGA_WR20			0x2d50
+#define MGA_WR21			0x2d54
+#define MGA_WR22			0x2d58
+#define MGA_WR23			0x2d5c
+#define MGA_WR24			0x2d60
+#define MGA_WR25			0x2d64
+#define MGA_WR26			0x2d68
+#define MGA_WR27			0x2d6c
+#define MGA_WR28			0x2d70
+#define MGA_WR29			0x2d74
+#define MGA_WR30			0x2d78
+#define MGA_WR31			0x2d7c
+#define MGA_WR32			0x2d80
+#define MGA_WR33			0x2d84
+#define MGA_WR34			0x2d88
+#define MGA_WR35			0x2d8c
+#define MGA_WR36			0x2d90
+#define MGA_WR37			0x2d94
+#define MGA_WR38			0x2d98
+#define MGA_WR39			0x2d9c
+#define MGA_WR40			0x2da0
+#define MGA_WR41			0x2da4
+#define MGA_WR42			0x2da8
+#define MGA_WR43			0x2dac
+#define MGA_WR44			0x2db0
+#define MGA_WR45			0x2db4
+#define MGA_WR46			0x2db8
+#define MGA_WR47			0x2dbc
+#define MGA_WR48			0x2dc0
+#define MGA_WR49			0x2dc4
+#define MGA_WR50			0x2dc8
+#define MGA_WR51			0x2dcc
+#define MGA_WR52			0x2dd0
+#define MGA_WR53			0x2dd4
+#define MGA_WR54			0x2dd8
+#define MGA_WR55			0x2ddc
+#define MGA_WR56			0x2de0
+#define MGA_WR57			0x2de4
+#define MGA_WR58			0x2de8
+#define MGA_WR59			0x2dec
+#define MGA_WR60			0x2df0
+#define MGA_WR61			0x2df4
+#define MGA_WR62			0x2df8
+#define MGA_WR63			0x2dfc
+#	define MGA_G400_WR_MAGIC		(1 << 6)
+#	define MGA_G400_WR56_MAGIC		0x46480000	/* 12800.0f */
+
+
+#define MGA_ILOAD_ALIGN		64
+#define MGA_ILOAD_MASK		(MGA_ILOAD_ALIGN - 1)
+
+#define MGA_DWGCTL_FLUSH	(MGA_OPCOD_TEXTURE_TRAP |		\
+				 MGA_ATYPE_I |				\
+				 MGA_ZMODE_NOZCMP |			\
+				 MGA_ARZERO |				\
+				 MGA_SGNZERO |				\
+				 MGA_BOP_SRC |				\
+				 (15 << MGA_TRANS_SHIFT))
+
+#define MGA_DWGCTL_CLEAR	(MGA_OPCOD_TRAP |			\
+				 MGA_ZMODE_NOZCMP |			\
+				 MGA_SOLID |				\
+				 MGA_ARZERO |				\
+				 MGA_SGNZERO |				\
+				 MGA_SHIFTZERO |			\
+				 MGA_BOP_SRC |				\
+				 (0 << MGA_TRANS_SHIFT) |		\
+				 MGA_BLTMOD_BMONOLEF |			\
+				 MGA_TRANSC |				\
+				 MGA_CLIPDIS)
+
+#define MGA_DWGCTL_COPY		(MGA_OPCOD_BITBLT |			\
+				 MGA_ATYPE_RPL |			\
+				 MGA_SGNZERO |				\
+				 MGA_SHIFTZERO |			\
+				 MGA_BOP_SRC |				\
+				 (0 << MGA_TRANS_SHIFT) |		\
+				 MGA_BLTMOD_BFCOL |			\
+				 MGA_CLIPDIS)
+
+/* Simple idle test.
+ */
+static __inline__ int mga_is_idle( drm_mga_private_t *dev_priv )
+{
+	u32 status = MGA_READ( MGA_STATUS ) & MGA_ENGINE_IDLE_MASK;
+	return ( status == MGA_ENDPRDMASTS );
+}
 
 #endif
diff --git a/bsd/mga/mga_state.c b/bsd/mga/mga_state.c
index fb365631..320e2b3e 100644
--- a/bsd/mga/mga_state.c
+++ b/bsd/mga/mga_state.c
@@ -1,4 +1,4 @@
-/* mga_state.c -- State support for mga g200/g400
+/* mga_state.c -- State support for MGA G200/G400 -*- linux-c -*-
  * Created: Thu Jan 27 02:53:43 2000 by jhartmann@precisioninsight.com
  *
  * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
@@ -11,431 +11,408 @@
  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  * and/or sell copies of the Software, and to permit persons to whom the
  * Software is furnished to do so, subject to the following conditions:
- * 
+ *
  * The above copyright notice and this permission notice (including the next
  * paragraph) shall be included in all copies or substantial portions of the
  * Software.
- * 
+ *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
  *
- * Authors: Jeff Hartmann <jhartmann@precisioninsight.com>
- * 	    Keith Whitwell <keithw@precisioninsight.com>
+ * Authors:
+ *    Jeff Hartmann <jhartmann@valinux.com>
+ *    Keith Whitwell <keithw@valinux.com>
  *
+ * Rewritten by:
+ *    Gareth Hughes <gareth@valinux.com>
  */
 
 #define __NO_VERSION__
+#include "mga.h"
 #include "drmP.h"
 #include "mga_drv.h"
 #include "drm.h"
 
-typedef u_int16_t u16;
-typedef u_int32_t u32;
-
-#define MGAEMITCLIP_SIZE        10
-#define MGAEMITCTX_SIZE         20
-#define MGAG200EMITTEX_SIZE     20
-#define MGAG400EMITTEX0_SIZE    30
-#define MGAG400EMITTEX1_SIZE    25
-#define MGAG400EMITPIPE_SIZE    50
-#define MGAG200EMITPIPE_SIZE    15
-
-#define MAX_STATE_SIZE ((MGAEMITCLIP_SIZE * MGA_NR_SAREA_CLIPRECTS) + \
-                        MGAEMITCTX_SIZE + MGAG400EMITTEX0_SIZE + \
-                        MGAG400EMITTEX1_SIZE + MGAG400EMITPIPE_SIZE)
-
 
+/* ================================================================
+ * DMA hardware state programming functions
+ */
 
-static void mgaEmitClipRect(drm_mga_private_t * dev_priv,
-			    drm_clip_rect_t * box)
+static void mga_emit_clip_rect( drm_mga_private_t *dev_priv,
+				drm_clip_rect_t *box )
 {
 	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
-	unsigned int *regs = sarea_priv->ContextState;
-	PRIMLOCALS;
-	DRM_DEBUG("%s\n", __FUNCTION__);
+	drm_mga_context_regs_t *ctx = &sarea_priv->context_state;
+	unsigned int pitch = dev_priv->front_pitch;
+	DMA_LOCALS;
 
-	/* This takes 10 dwords */
-	PRIMGETPTR(dev_priv);
+	BEGIN_DMA( 2 );
 
-	/* Force reset of dwgctl (eliminates clip disable) */
-	if (dev_priv->chipset == MGA_CARD_TYPE_G400) {
-#if 0
-	PRIMOUTREG(MGAREG_DMAPAD, 0);
-	PRIMOUTREG(MGAREG_DWGSYNC, 0);
-	PRIMOUTREG(MGAREG_DWGSYNC, 0);
-	PRIMOUTREG(MGAREG_DWGCTL, regs[MGA_CTXREG_DWGCTL]);
-#else
-	PRIMOUTREG(MGAREG_DWGCTL, regs[MGA_CTXREG_DWGCTL]);
-	PRIMOUTREG(MGAREG_LEN + MGAREG_MGA_EXEC, 0x80000000);
-	PRIMOUTREG(MGAREG_DWGCTL, regs[MGA_CTXREG_DWGCTL]);
-	PRIMOUTREG(MGAREG_LEN + MGAREG_MGA_EXEC, 0x80000000);
-#endif
+	/* Force reset of DWGCTL on G400 (eliminates clip disable bit).
+	 */
+	if ( dev_priv->chipset == MGA_CARD_TYPE_G400 ) {
+		DMA_BLOCK( MGA_DWGCTL,		ctx->dwgctl,
+			   MGA_LEN + MGA_EXEC,	0x80000000,
+			   MGA_DWGCTL,		ctx->dwgctl,
+			   MGA_LEN + MGA_EXEC,	0x80000000 );
 	}
-	PRIMOUTREG(MGAREG_DMAPAD, 0);
-	PRIMOUTREG(MGAREG_CXBNDRY, ((box->x2) << 16) | (box->x1));
-	PRIMOUTREG(MGAREG_YTOP, box->y1 * dev_priv->stride / dev_priv->cpp);
-	PRIMOUTREG(MGAREG_YBOT, box->y2 * dev_priv->stride / dev_priv->cpp);
+	DMA_BLOCK( MGA_DMAPAD,	0x00000000,
+		   MGA_CXBNDRY,	(box->x2 << 16) | box->x1,
+		   MGA_YTOP,	box->y1 * pitch,
+		   MGA_YBOT,	box->y2 * pitch );
 
-	PRIMADVANCE(dev_priv);
+	ADVANCE_DMA();
 }
 
-static void mgaEmitContext(drm_mga_private_t * dev_priv)
+static __inline__ void mga_g200_emit_context( drm_mga_private_t *dev_priv )
 {
 	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
-	unsigned int *regs = sarea_priv->ContextState;
-	PRIMLOCALS;
-	DRM_DEBUG("%s\n", __FUNCTION__);
-
-	/* This takes a max of 20 dwords */
-	PRIMGETPTR(dev_priv);
-
-	PRIMOUTREG(MGAREG_DSTORG, regs[MGA_CTXREG_DSTORG]);
-	PRIMOUTREG(MGAREG_MACCESS, regs[MGA_CTXREG_MACCESS]);
-	PRIMOUTREG(MGAREG_PLNWT, regs[MGA_CTXREG_PLNWT]);
-	PRIMOUTREG(MGAREG_DWGCTL, regs[MGA_CTXREG_DWGCTL]);
-
-	PRIMOUTREG(MGAREG_ALPHACTRL, regs[MGA_CTXREG_ALPHACTRL]);
-	PRIMOUTREG(MGAREG_FOGCOL, regs[MGA_CTXREG_FOGCOLOR]);
-	PRIMOUTREG(MGAREG_WFLAG, regs[MGA_CTXREG_WFLAG]);
-	PRIMOUTREG(MGAREG_ZORG, dev_priv->depthOffset);	/* invarient */
-
-	if (dev_priv->chipset == MGA_CARD_TYPE_G400) {
-		PRIMOUTREG(MGAREG_WFLAG1, regs[MGA_CTXREG_WFLAG]);
-		PRIMOUTREG(MGAREG_TDUALSTAGE0, regs[MGA_CTXREG_TDUAL0]);
-		PRIMOUTREG(MGAREG_TDUALSTAGE1, regs[MGA_CTXREG_TDUAL1]);
-		PRIMOUTREG(MGAREG_FCOL, regs[MGA_CTXREG_FCOL]);
-
-                PRIMOUTREG(MGAREG_STENCIL, regs[MGA_CTXREG_STENCIL]);
-                PRIMOUTREG(MGAREG_STENCILCTL, regs[MGA_CTXREG_STENCILCTL]);
-                PRIMOUTREG(MGAREG_DMAPAD, 0);
-                PRIMOUTREG(MGAREG_DMAPAD, 0);
+	drm_mga_context_regs_t *ctx = &sarea_priv->context_state;
+	DMA_LOCALS;
 
-	} else {
-		PRIMOUTREG(MGAREG_FCOL, regs[MGA_CTXREG_FCOL]);
-		PRIMOUTREG(MGAREG_DMAPAD, 0);
-		PRIMOUTREG(MGAREG_DMAPAD, 0);
-		PRIMOUTREG(MGAREG_DMAPAD, 0);
-	}
+	BEGIN_DMA( 3 );
+
+	DMA_BLOCK( MGA_DSTORG,		ctx->dstorg,
+		   MGA_MACCESS,		ctx->maccess,
+		   MGA_PLNWT,		ctx->plnwt,
+		   MGA_DWGCTL,		ctx->dwgctl );
 
-	PRIMADVANCE(dev_priv);
+	DMA_BLOCK( MGA_ALPHACTRL,	ctx->alphactrl,
+		   MGA_FOGCOL,		ctx->fogcolor,
+		   MGA_WFLAG,		ctx->wflag,
+		   MGA_ZORG,		dev_priv->depth_offset );
+
+	DMA_BLOCK( MGA_FCOL,		ctx->fcol,
+		   MGA_DMAPAD,		0x00000000,
+		   MGA_DMAPAD,		0x00000000,
+		   MGA_DMAPAD,		0x00000000 );
+
+	ADVANCE_DMA();
 }
 
-static void mgaG200EmitTex(drm_mga_private_t * dev_priv)
+static __inline__ void mga_g400_emit_context( drm_mga_private_t *dev_priv )
 {
 	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
-	unsigned int *regs = sarea_priv->TexState[0];
-	PRIMLOCALS;
-	DRM_DEBUG("%s\n", __FUNCTION__);
-
-	PRIMGETPTR(dev_priv);
+	drm_mga_context_regs_t *ctx = &sarea_priv->context_state;
+	DMA_LOCALS;
 
-	/* This takes 20 dwords */
+	BEGIN_DMA( 4 );
 
-	PRIMOUTREG(MGAREG_TEXCTL2, regs[MGA_TEXREG_CTL2]);
-	PRIMOUTREG(MGAREG_TEXCTL, regs[MGA_TEXREG_CTL]);
-	PRIMOUTREG(MGAREG_TEXFILTER, regs[MGA_TEXREG_FILTER]);
-	PRIMOUTREG(MGAREG_TEXBORDERCOL, regs[MGA_TEXREG_BORDERCOL]);
+	DMA_BLOCK( MGA_DSTORG,		ctx->dstorg,
+		   MGA_MACCESS,		ctx->maccess,
+		   MGA_PLNWT,		ctx->plnwt,
+		   MGA_DWGCTL,		ctx->dwgctl );
 
-	PRIMOUTREG(MGAREG_TEXORG, regs[MGA_TEXREG_ORG]);
-	PRIMOUTREG(MGAREG_TEXORG1, regs[MGA_TEXREG_ORG1]);
-	PRIMOUTREG(MGAREG_TEXORG2, regs[MGA_TEXREG_ORG2]);
-	PRIMOUTREG(MGAREG_TEXORG3, regs[MGA_TEXREG_ORG3]);
+	DMA_BLOCK( MGA_ALPHACTRL,	ctx->alphactrl,
+		   MGA_FOGCOL,		ctx->fogcolor,
+		   MGA_WFLAG,		ctx->wflag,
+		   MGA_ZORG,		dev_priv->depth_offset );
 
-	PRIMOUTREG(MGAREG_TEXORG4, regs[MGA_TEXREG_ORG4]);
-	PRIMOUTREG(MGAREG_TEXWIDTH, regs[MGA_TEXREG_WIDTH]);
-	PRIMOUTREG(MGAREG_TEXHEIGHT, regs[MGA_TEXREG_HEIGHT]);
-	PRIMOUTREG(MGAREG_WR24, regs[MGA_TEXREG_WIDTH]);
+	DMA_BLOCK( MGA_WFLAG1,		ctx->wflag,
+		   MGA_TDUALSTAGE0,	ctx->tdualstage0,
+		   MGA_TDUALSTAGE1,	ctx->tdualstage1,
+		   MGA_FCOL,		ctx->fcol );
 
-	PRIMOUTREG(MGAREG_WR34, regs[MGA_TEXREG_HEIGHT]);
-	PRIMOUTREG(MGAREG_TEXTRANS, 0xffff);
-	PRIMOUTREG(MGAREG_TEXTRANSHIGH, 0xffff);
-	PRIMOUTREG(MGAREG_DMAPAD, 0);
+	DMA_BLOCK( MGA_STENCIL,		ctx->stencil,
+		   MGA_STENCILCTL,	ctx->stencilctl,
+		   MGA_DMAPAD,		0x00000000,
+		   MGA_DMAPAD,		0x00000000 );
 
-	PRIMADVANCE(dev_priv);
+	ADVANCE_DMA();
 }
 
-#define TMC_dualtex_enable              0x80
-
-static void mgaG400EmitTex0(drm_mga_private_t * dev_priv)
+static __inline__ void mga_g200_emit_tex0( drm_mga_private_t *dev_priv )
 {
 	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
-	unsigned int *regs = sarea_priv->TexState[0];
-	PRIMLOCALS;
-	DRM_DEBUG("%s\n", __FUNCTION__);
-
-	PRIMGETPTR(dev_priv);
-
-	/* This takes a max of 30 dwords */
-
-	PRIMOUTREG(MGAREG_TEXCTL2, regs[MGA_TEXREG_CTL2] | 0x00008000);
-	PRIMOUTREG(MGAREG_TEXCTL, regs[MGA_TEXREG_CTL]);
-	PRIMOUTREG(MGAREG_TEXFILTER, regs[MGA_TEXREG_FILTER]);
-	PRIMOUTREG(MGAREG_TEXBORDERCOL, regs[MGA_TEXREG_BORDERCOL]);
+	drm_mga_texture_regs_t *tex = &sarea_priv->tex_state[0];
+	DMA_LOCALS;
 
-	PRIMOUTREG(MGAREG_TEXORG, regs[MGA_TEXREG_ORG]);
-	PRIMOUTREG(MGAREG_TEXORG1, regs[MGA_TEXREG_ORG1]);
-	PRIMOUTREG(MGAREG_TEXORG2, regs[MGA_TEXREG_ORG2]);
-	PRIMOUTREG(MGAREG_TEXORG3, regs[MGA_TEXREG_ORG3]);
+	BEGIN_DMA( 4 );
 
-	PRIMOUTREG(MGAREG_TEXORG4, regs[MGA_TEXREG_ORG4]);
-	PRIMOUTREG(MGAREG_TEXWIDTH, regs[MGA_TEXREG_WIDTH]);
-	PRIMOUTREG(MGAREG_TEXHEIGHT, regs[MGA_TEXREG_HEIGHT]);
-        PRIMOUTREG(MGAREG_WR49, 0);
+	DMA_BLOCK( MGA_TEXCTL2,		tex->texctl2,
+		   MGA_TEXCTL,		tex->texctl,
+		   MGA_TEXFILTER,	tex->texfilter,
+		   MGA_TEXBORDERCOL,	tex->texbordercol );
 
-        PRIMOUTREG(MGAREG_WR57, 0);
-        PRIMOUTREG(MGAREG_WR53, 0);
-        PRIMOUTREG(MGAREG_WR61, 0);
-        PRIMOUTREG(MGAREG_WR52, 0x40);
+	DMA_BLOCK( MGA_TEXORG,		tex->texorg,
+		   MGA_TEXORG1,		tex->texorg1,
+		   MGA_TEXORG2,		tex->texorg2,
+		   MGA_TEXORG3,		tex->texorg3 );
 
-        PRIMOUTREG(MGAREG_WR60, 0x40);
-        PRIMOUTREG(MGAREG_WR54, regs[MGA_TEXREG_WIDTH] | 0x40);
-        PRIMOUTREG(MGAREG_WR62, regs[MGA_TEXREG_HEIGHT] | 0x40);
-	PRIMOUTREG(MGAREG_DMAPAD, 0);
+	DMA_BLOCK( MGA_TEXORG4,		tex->texorg4,
+		   MGA_TEXWIDTH,	tex->texwidth,
+		   MGA_TEXHEIGHT,	tex->texheight,
+		   MGA_WR24,		tex->texwidth );
 
-		PRIMOUTREG(MGAREG_DMAPAD, 0);
-		PRIMOUTREG(MGAREG_DMAPAD, 0);
+	DMA_BLOCK( MGA_WR34,		tex->texheight,
+		   MGA_TEXTRANS,	0x0000ffff,
+		   MGA_TEXTRANSHIGH,	0x0000ffff,
+		   MGA_DMAPAD,		0x00000000 );
 
-	PRIMOUTREG(MGAREG_TEXTRANS, 0xffff);
-	PRIMOUTREG(MGAREG_TEXTRANSHIGH, 0xffff);
-
-	PRIMADVANCE(dev_priv);
+	ADVANCE_DMA();
 }
 
-#define TMC_map1_enable 		0x80000000
-
-static void mgaG400EmitTex1(drm_mga_private_t * dev_priv)
+static __inline__ void mga_g400_emit_tex0( drm_mga_private_t *dev_priv )
 {
 	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
-	unsigned int *regs = sarea_priv->TexState[1];
-	PRIMLOCALS;
-	DRM_DEBUG("%s\n", __FUNCTION__);
-
-	PRIMGETPTR(dev_priv);
-
-	/* This takes 25 dwords */
-
-	PRIMOUTREG(MGAREG_TEXCTL2,
-		   regs[MGA_TEXREG_CTL2] | TMC_map1_enable | 0x00008000);
-	PRIMOUTREG(MGAREG_TEXCTL, regs[MGA_TEXREG_CTL]);
-	PRIMOUTREG(MGAREG_TEXFILTER, regs[MGA_TEXREG_FILTER]);
-	PRIMOUTREG(MGAREG_TEXBORDERCOL, regs[MGA_TEXREG_BORDERCOL]);
+	drm_mga_texture_regs_t *tex = &sarea_priv->tex_state[0];
+	DMA_LOCALS;
+
+	BEGIN_DMA( 6 );
+
+	DMA_BLOCK( MGA_TEXCTL2,		tex->texctl2 | MGA_G400_TC2_MAGIC,
+		   MGA_TEXCTL,		tex->texctl,
+		   MGA_TEXFILTER,	tex->texfilter,
+		   MGA_TEXBORDERCOL,	tex->texbordercol );
+
+	DMA_BLOCK( MGA_TEXORG,		tex->texorg,
+		   MGA_TEXORG1,		tex->texorg1,
+		   MGA_TEXORG2,		tex->texorg2,
+		   MGA_TEXORG3,		tex->texorg3 );
+
+	DMA_BLOCK( MGA_TEXORG4,		tex->texorg4,
+		   MGA_TEXWIDTH,	tex->texwidth,
+		   MGA_TEXHEIGHT,	tex->texheight,
+		   MGA_WR49,		0x00000000 );
+
+	DMA_BLOCK( MGA_WR57,		0x00000000,
+		   MGA_WR53,		0x00000000,
+		   MGA_WR61,		0x00000000,
+		   MGA_WR52,		MGA_G400_WR_MAGIC );
+
+	DMA_BLOCK( MGA_WR60,		MGA_G400_WR_MAGIC,
+		   MGA_WR54,		tex->texwidth | MGA_G400_WR_MAGIC,
+		   MGA_WR62,		tex->texheight | MGA_G400_WR_MAGIC,
+		   MGA_DMAPAD,		0x00000000 );
+
+	DMA_BLOCK( MGA_DMAPAD,		0x00000000,
+		   MGA_DMAPAD,		0x00000000,
+		   MGA_TEXTRANS,	0x0000ffff,
+		   MGA_TEXTRANSHIGH,	0x0000ffff );
+
+	ADVANCE_DMA();
+}
 
-	PRIMOUTREG(MGAREG_TEXORG, regs[MGA_TEXREG_ORG]);
-	PRIMOUTREG(MGAREG_TEXORG1, regs[MGA_TEXREG_ORG1]);
-	PRIMOUTREG(MGAREG_TEXORG2, regs[MGA_TEXREG_ORG2]);
-	PRIMOUTREG(MGAREG_TEXORG3, regs[MGA_TEXREG_ORG3]);
+static __inline__ void mga_g400_emit_tex1( drm_mga_private_t *dev_priv )
+{
+	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
+	drm_mga_texture_regs_t *tex = &sarea_priv->tex_state[1];
+	DMA_LOCALS;
+
+	BEGIN_DMA( 5 );
+
+	DMA_BLOCK( MGA_TEXCTL2,		(tex->texctl2 |
+					 MGA_MAP1_ENABLE |
+					 MGA_G400_TC2_MAGIC),
+		   MGA_TEXCTL,		tex->texctl,
+		   MGA_TEXFILTER,	tex->texfilter,
+		   MGA_TEXBORDERCOL,	tex->texbordercol );
+
+	DMA_BLOCK( MGA_TEXORG,		tex->texorg,
+		   MGA_TEXORG1,		tex->texorg1,
+		   MGA_TEXORG2,		tex->texorg2,
+		   MGA_TEXORG3,		tex->texorg3 );
+
+	DMA_BLOCK( MGA_TEXORG4,		tex->texorg4,
+		   MGA_TEXWIDTH,	tex->texwidth,
+		   MGA_TEXHEIGHT,	tex->texheight,
+		   MGA_WR49,		0x00000000 );
+
+	DMA_BLOCK( MGA_WR57,		0x00000000,
+		   MGA_WR53,		0x00000000,
+		   MGA_WR61,		0x00000000,
+		   MGA_WR52,		tex->texwidth | MGA_G400_WR_MAGIC );
+
+	DMA_BLOCK( MGA_WR60,		tex->texheight | MGA_G400_WR_MAGIC,
+		   MGA_TEXTRANS,	0x0000ffff,
+		   MGA_TEXTRANSHIGH,	0x0000ffff,
+		   MGA_TEXCTL2,		tex->texctl2 | MGA_G400_TC2_MAGIC );
+
+	ADVANCE_DMA();
+}
 
-	PRIMOUTREG(MGAREG_TEXORG4, regs[MGA_TEXREG_ORG4]);
-	PRIMOUTREG(MGAREG_TEXWIDTH, regs[MGA_TEXREG_WIDTH]);
-	PRIMOUTREG(MGAREG_TEXHEIGHT, regs[MGA_TEXREG_HEIGHT]);
-        PRIMOUTREG(MGAREG_WR49, 0);
+static __inline__ void mga_g200_emit_pipe( drm_mga_private_t *dev_priv )
+{
+	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
+	unsigned int pipe = sarea_priv->warp_pipe;
+	DMA_LOCALS;
 
-        PRIMOUTREG(MGAREG_WR57, 0);
-        PRIMOUTREG(MGAREG_WR53, 0);
-        PRIMOUTREG(MGAREG_WR61, 0);
-        PRIMOUTREG(MGAREG_WR52, regs[MGA_TEXREG_WIDTH] | 0x40);
+	BEGIN_DMA( 3 );
 
-        PRIMOUTREG(MGAREG_WR60, regs[MGA_TEXREG_HEIGHT] | 0x40);
+	DMA_BLOCK( MGA_WIADDR,	MGA_WMODE_SUSPEND,
+		   MGA_WVRTXSZ,	0x00000007,
+		   MGA_WFLAG,	0x00000000,
+		   MGA_WR24,	0x00000000 );
 
-	PRIMOUTREG(MGAREG_TEXTRANS, 0xffff);
-	PRIMOUTREG(MGAREG_TEXTRANSHIGH, 0xffff);
-	PRIMOUTREG(MGAREG_TEXCTL2, regs[MGA_TEXREG_CTL2] | 0x00008000);
+	DMA_BLOCK( MGA_WR25,	0x00000100,
+		   MGA_WR34,	0x00000000,
+		   MGA_WR42,	0x0000ffff,
+		   MGA_WR60,	0x0000ffff );
 
-	PRIMADVANCE(dev_priv);
+	/* Padding required to to hardware bug.
+	 */
+	DMA_BLOCK( MGA_DMAPAD,	0xffffffff,
+		   MGA_DMAPAD,	0xffffffff,
+		   MGA_DMAPAD,	0xffffffff,
+		   MGA_WIADDR,	(dev_priv->warp_pipe_phys[pipe] |
+				 MGA_WMODE_START |
+				 MGA_WAGP_ENABLE) );
+
+	ADVANCE_DMA();
 }
 
-#define MAGIC_FPARAM_HEX_VALUE 0x46480000
-/* This is the hex value of 12800.0f which is a magic value we must
- * set in wr56.
- */
-
-
-#define EMIT_PIPE 50
-static void mgaG400EmitPipe(drm_mga_private_t * dev_priv)
+static __inline__ void mga_g400_emit_pipe( drm_mga_private_t *dev_priv )
 {
 	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
-	unsigned int pipe = sarea_priv->WarpPipe;
-	PRIMLOCALS;
-	DRM_DEBUG("%s\n", __FUNCTION__);
-
-	PRIMGETPTR(dev_priv);
-
-	/* This takes 50 dwords */
-
-	/* Establish vertex size.  
-	 */
-	PRIMOUTREG(MGAREG_WIADDR2, WIA_wmode_suspend);
-	PRIMOUTREG(MGAREG_DMAPAD, 0);
-	PRIMOUTREG(MGAREG_DMAPAD, 0);
-	PRIMOUTREG(MGAREG_DMAPAD, 0);
-
-	if (pipe & MGA_T2) {
-		PRIMOUTREG(MGAREG_WVRTXSZ, 0x00001e09);
-		PRIMOUTREG(MGAREG_DMAPAD, 0);
-		PRIMOUTREG(MGAREG_DMAPAD, 0);
-		PRIMOUTREG(MGAREG_DMAPAD, 0);
-
-		PRIMOUTREG(MGAREG_WACCEPTSEQ, 0);
-		PRIMOUTREG(MGAREG_WACCEPTSEQ, 0);
-		PRIMOUTREG(MGAREG_WACCEPTSEQ, 0);
-		PRIMOUTREG(MGAREG_WACCEPTSEQ, 0x1e000000);
+	unsigned int pipe = sarea_priv->warp_pipe;
+	DMA_LOCALS;
+
+	BEGIN_DMA( 10 );
+
+	DMA_BLOCK( MGA_WIADDR2,	MGA_WMODE_SUSPEND,
+		   MGA_DMAPAD,	0x00000000,
+		   MGA_DMAPAD,	0x00000000,
+		   MGA_DMAPAD,	0x00000000 );
+
+	if ( pipe & MGA_T2 ) {
+		DMA_BLOCK( MGA_WVRTXSZ,		0x00001e09,
+			   MGA_DMAPAD,		0x00000000,
+			   MGA_DMAPAD,		0x00000000,
+			   MGA_DMAPAD,		0x00000000 );
+
+		DMA_BLOCK( MGA_WACCEPTSEQ,	0x00000000,
+			   MGA_WACCEPTSEQ,	0x00000000,
+			   MGA_WACCEPTSEQ,	0x00000000,
+			   MGA_WACCEPTSEQ,	0x1e000000 );
 	} else {
-		if (dev_priv->WarpPipe & MGA_T2) {
+		if ( dev_priv->warp_pipe & MGA_T2 ) {
 			/* Flush the WARP pipe */
-			PRIMOUTREG(MGAREG_YDST, 0);
-			PRIMOUTREG(MGAREG_FXLEFT, 0);
-			PRIMOUTREG(MGAREG_FXRIGHT, 1);
-			PRIMOUTREG(MGAREG_DWGCTL, MGA_FLUSH_CMD);
-
-			PRIMOUTREG(MGAREG_LEN + MGAREG_MGA_EXEC, 1);
-			PRIMOUTREG(MGAREG_DWGSYNC, 0x7000);
-			PRIMOUTREG(MGAREG_TEXCTL2, 0x00008000);
-			PRIMOUTREG(MGAREG_LEN + MGAREG_MGA_EXEC, 0);
-
-			PRIMOUTREG(MGAREG_TEXCTL2, 0x80 | 0x00008000);
-			PRIMOUTREG(MGAREG_LEN + MGAREG_MGA_EXEC, 0);
-			PRIMOUTREG(MGAREG_TEXCTL2, 0x00008000);
-			PRIMOUTREG(MGAREG_DMAPAD, 0);
+			DMA_BLOCK( MGA_YDST,		0x00000000,
+				   MGA_FXLEFT,		0x00000000,
+				   MGA_FXRIGHT,		0x00000001,
+				   MGA_DWGCTL,		MGA_DWGCTL_FLUSH );
+
+			DMA_BLOCK( MGA_LEN + MGA_EXEC,	0x00000001,
+				   MGA_DWGSYNC,		0x00007000,
+				   MGA_TEXCTL2,		MGA_G400_TC2_MAGIC,
+				   MGA_LEN + MGA_EXEC,	0x00000000 );
+
+			DMA_BLOCK( MGA_TEXCTL2,		(MGA_DUALTEX |
+							 MGA_G400_TC2_MAGIC),
+				   MGA_LEN + MGA_EXEC,	0x00000000,
+				   MGA_TEXCTL2,		MGA_G400_TC2_MAGIC,
+				   MGA_DMAPAD,		0x00000000 );
 		}
 
-		PRIMOUTREG(MGAREG_WVRTXSZ, 0x00001807);
-		PRIMOUTREG(MGAREG_DMAPAD, 0);
-		PRIMOUTREG(MGAREG_DMAPAD, 0);
-		PRIMOUTREG(MGAREG_DMAPAD, 0);
+		DMA_BLOCK( MGA_WVRTXSZ,		0x00001807,
+			   MGA_DMAPAD,		0x00000000,
+			   MGA_DMAPAD,		0x00000000,
+			   MGA_DMAPAD,		0x00000000 );
 
-		PRIMOUTREG(MGAREG_WACCEPTSEQ, 0);
-		PRIMOUTREG(MGAREG_WACCEPTSEQ, 0);
-		PRIMOUTREG(MGAREG_WACCEPTSEQ, 0);
-		PRIMOUTREG(MGAREG_WACCEPTSEQ, 0x18000000);
+		DMA_BLOCK( MGA_WACCEPTSEQ,	0x00000000,
+			   MGA_WACCEPTSEQ,	0x00000000,
+			   MGA_WACCEPTSEQ,	0x00000000,
+			   MGA_WACCEPTSEQ,	0x18000000 );
 	}
 
-	PRIMOUTREG(MGAREG_WFLAG, 0);
-	PRIMOUTREG(MGAREG_WFLAG1, 0);
-	PRIMOUTREG(MGAREG_WR56, MAGIC_FPARAM_HEX_VALUE);
-	PRIMOUTREG(MGAREG_DMAPAD, 0);
-
-        PRIMOUTREG(MGAREG_WR49, 0);     /* Tex stage 0 */
-        PRIMOUTREG(MGAREG_WR57, 0);     /* Tex stage 0 */
-        PRIMOUTREG(MGAREG_WR53, 0);     /* Tex stage 1 */
-        PRIMOUTREG(MGAREG_WR61, 0);     /* Tex stage 1 */
-
-
-        PRIMOUTREG(MGAREG_WR54, 0x40);  /* Tex stage 0 : w */
-        PRIMOUTREG(MGAREG_WR62, 0x40);  /* Tex stage 0 : h */
-        PRIMOUTREG(MGAREG_WR52, 0x40);  /* Tex stage 1 : w */
-        PRIMOUTREG(MGAREG_WR60, 0x40);  /* Tex stage 1 : h */
-
-
-	/* Dma pading required due to hw bug */
-	PRIMOUTREG(MGAREG_DMAPAD, 0xffffffff);
-	PRIMOUTREG(MGAREG_DMAPAD, 0xffffffff);
-	PRIMOUTREG(MGAREG_DMAPAD, 0xffffffff);
-	PRIMOUTREG(MGAREG_WIADDR2,
-		   (u32) (dev_priv->WarpIndex[pipe].
-			  phys_addr | WIA_wmode_start | WIA_wagp_agp));
-	PRIMADVANCE(dev_priv);
+	DMA_BLOCK( MGA_WFLAG,	0x00000000,
+		   MGA_WFLAG1,	0x00000000,
+		   MGA_WR56,	MGA_G400_WR56_MAGIC,
+		   MGA_DMAPAD,	0x00000000 );
+
+	DMA_BLOCK( MGA_WR49,	0x00000000,		/* tex0              */
+		   MGA_WR57,	0x00000000,		/* tex0              */
+		   MGA_WR53,	0x00000000,		/* tex1              */
+		   MGA_WR61,	0x00000000 );		/* tex1              */
+
+	DMA_BLOCK( MGA_WR54,	MGA_G400_WR_MAGIC,	/* tex0 width        */
+		   MGA_WR62,	MGA_G400_WR_MAGIC,	/* tex0 height       */
+		   MGA_WR52,	MGA_G400_WR_MAGIC,	/* tex1 width        */
+		   MGA_WR60,	MGA_G400_WR_MAGIC );	/* tex1 height       */
+
+	/* Padding required to to hardware bug */
+	DMA_BLOCK( MGA_DMAPAD,	0xffffffff,
+		   MGA_DMAPAD,	0xffffffff,
+		   MGA_DMAPAD,	0xffffffff,
+		   MGA_WIADDR2,	(dev_priv->warp_pipe_phys[pipe] |
+				 MGA_WMODE_START |
+				 MGA_WAGP_ENABLE) );
+
+	ADVANCE_DMA();
 }
 
-static void mgaG200EmitPipe(drm_mga_private_t * dev_priv)
+static void mga_g200_emit_state( drm_mga_private_t *dev_priv )
 {
 	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
-	unsigned int pipe = sarea_priv->WarpPipe;
-	PRIMLOCALS;
-	DRM_DEBUG("%s\n", __FUNCTION__);
-
-	PRIMGETPTR(dev_priv);
-
-	/* This takes 15 dwords */
-
-	PRIMOUTREG(MGAREG_WIADDR, WIA_wmode_suspend);
-	PRIMOUTREG(MGAREG_WVRTXSZ, 7);
-	PRIMOUTREG(MGAREG_WFLAG, 0);
-	PRIMOUTREG(MGAREG_WR24, 0);     /* tex w/h */
+	unsigned int dirty = sarea_priv->dirty;
 
-        PRIMOUTREG(MGAREG_WR25, 0x100);
-        PRIMOUTREG(MGAREG_WR34, 0);     /* tex w/h */
-        PRIMOUTREG(MGAREG_WR42, 0xFFFF);
-        PRIMOUTREG(MGAREG_WR60, 0xFFFF);
+	if ( sarea_priv->warp_pipe != dev_priv->warp_pipe ) {
+		mga_g200_emit_pipe( dev_priv );
+		dev_priv->warp_pipe = sarea_priv->warp_pipe;
+	}
 
-	/* Dma pading required due to hw bug */
-	PRIMOUTREG(MGAREG_DMAPAD, 0xffffffff);
-	PRIMOUTREG(MGAREG_DMAPAD, 0xffffffff);
-	PRIMOUTREG(MGAREG_DMAPAD, 0xffffffff);
-	PRIMOUTREG(MGAREG_WIADDR,
-		   (u32) (dev_priv->WarpIndex[pipe].
-			  phys_addr | WIA_wmode_start | WIA_wagp_agp));
+	if ( dirty & MGA_UPLOAD_CONTEXT ) {
+		mga_g200_emit_context( dev_priv );
+		sarea_priv->dirty &= ~MGA_UPLOAD_CONTEXT;
+	}
 
-	PRIMADVANCE(dev_priv);
+	if ( dirty & MGA_UPLOAD_TEX0 ) {
+		mga_g200_emit_tex0( dev_priv );
+		sarea_priv->dirty &= ~MGA_UPLOAD_TEX0;
+	}
 }
 
-static void mgaEmitState(drm_mga_private_t * dev_priv)
+static void mga_g400_emit_state( drm_mga_private_t *dev_priv )
 {
 	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
 	unsigned int dirty = sarea_priv->dirty;
-	DRM_DEBUG("%s\n", __FUNCTION__);
-
-	if (dev_priv->chipset == MGA_CARD_TYPE_G400) {
-		int multitex = sarea_priv->WarpPipe & MGA_T2;
-
-		if (sarea_priv->WarpPipe != dev_priv->WarpPipe) {
-			mgaG400EmitPipe(dev_priv);
-			dev_priv->WarpPipe = sarea_priv->WarpPipe;
-		}
-
-		if (dirty & MGA_UPLOAD_CTX) {
-			mgaEmitContext(dev_priv);
-			sarea_priv->dirty &= ~MGA_UPLOAD_CTX;
-		}
+	int multitex = sarea_priv->warp_pipe & MGA_T2;
 
-		if (dirty & MGA_UPLOAD_TEX0) {
-			mgaG400EmitTex0(dev_priv);
-			sarea_priv->dirty &= ~MGA_UPLOAD_TEX0;
-		}
+	if ( sarea_priv->warp_pipe != dev_priv->warp_pipe ) {
+		mga_g400_emit_pipe( dev_priv );
+		dev_priv->warp_pipe = sarea_priv->warp_pipe;
+	}
 
-		if ((dirty & MGA_UPLOAD_TEX1) && multitex) {
-			mgaG400EmitTex1(dev_priv);
-			sarea_priv->dirty &= ~MGA_UPLOAD_TEX1;
-		}
-	} else {
-		if (sarea_priv->WarpPipe != dev_priv->WarpPipe) {
-			mgaG200EmitPipe(dev_priv);
-			dev_priv->WarpPipe = sarea_priv->WarpPipe;
-		}
+	if ( dirty & MGA_UPLOAD_CONTEXT ) {
+		mga_g400_emit_context( dev_priv );
+		sarea_priv->dirty &= ~MGA_UPLOAD_CONTEXT;
+	}
 
-		if (dirty & MGA_UPLOAD_CTX) {
-			mgaEmitContext(dev_priv);
-			sarea_priv->dirty &= ~MGA_UPLOAD_CTX;
-		}
+	if ( dirty & MGA_UPLOAD_TEX0 ) {
+		mga_g400_emit_tex0( dev_priv );
+		sarea_priv->dirty &= ~MGA_UPLOAD_TEX0;
+	}
 
-		if (dirty & MGA_UPLOAD_TEX0) {
-			mgaG200EmitTex(dev_priv);
-			sarea_priv->dirty &= ~MGA_UPLOAD_TEX0;
-		}
+	if ( (dirty & MGA_UPLOAD_TEX1) && multitex ) {
+		mga_g400_emit_tex1( dev_priv );
+		sarea_priv->dirty &= ~MGA_UPLOAD_TEX1;
 	}
 }
 
 
+/* ================================================================
+ * SAREA state verification
+ */
+
 /* Disallow all write destinations except the front and backbuffer.
  */
-static int mgaVerifyContext(drm_mga_private_t * dev_priv)
+static int mga_verify_context( drm_mga_private_t *dev_priv )
 {
 	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
-	unsigned int *regs = sarea_priv->ContextState;
-
-	DRM_DEBUG("%s\n", __FUNCTION__);
-
-	if (regs[MGA_CTXREG_DSTORG] != dev_priv->frontOffset &&
-	    regs[MGA_CTXREG_DSTORG] != dev_priv->backOffset) {
-		DRM_DEBUG("BAD DSTORG: %x (front %x, back %x)\n\n",
-			  regs[MGA_CTXREG_DSTORG], dev_priv->frontOffset,
-			  dev_priv->backOffset);
-		regs[MGA_CTXREG_DSTORG] = 0;
-		return -1;
+	drm_mga_context_regs_t *ctx = &sarea_priv->context_state;
+
+	if ( ctx->dstorg != dev_priv->front_offset &&
+	     ctx->dstorg != dev_priv->back_offset ) {
+		DRM_ERROR( "*** bad DSTORG: %x (front %x, back %x)\n\n",
+			   ctx->dstorg, dev_priv->front_offset,
+			   dev_priv->back_offset );
+		ctx->dstorg = 0;
+		DRM_OS_RETURN( EINVAL );
 	}
 
 	return 0;
@@ -443,667 +420,647 @@ static int mgaVerifyContext(drm_mga_private_t * dev_priv)
 
 /* Disallow texture reads from PCI space.
  */
-static int mgaVerifyTex(drm_mga_private_t * dev_priv, int unit)
+static int mga_verify_tex( drm_mga_private_t *dev_priv, int unit )
 {
 	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
+	drm_mga_texture_regs_t *tex = &sarea_priv->tex_state[unit];
+	unsigned int org;
 
-	DRM_DEBUG("%s\n", __FUNCTION__);
+	org = tex->texorg & (MGA_TEXORGMAP_MASK | MGA_TEXORGACC_MASK);
 
-	if ((sarea_priv->TexState[unit][MGA_TEXREG_ORG] & 0x3) == 0x1) {
-		DRM_DEBUG("BAD TEXREG_ORG: %x, unit %d\n",
-			  sarea_priv->TexState[unit][MGA_TEXREG_ORG],
-			  unit);
-		sarea_priv->TexState[unit][MGA_TEXREG_ORG] = 0;
-		return -1;
+	if ( org == (MGA_TEXORGMAP_SYSMEM | MGA_TEXORGACC_PCI) ) {
+		DRM_ERROR( "*** bad TEXORG: 0x%x, unit %d\n",
+			   tex->texorg, unit );
+		tex->texorg = 0;
+		DRM_OS_RETURN( EINVAL );
 	}
 
 	return 0;
 }
 
-static int mgaVerifyState(drm_mga_private_t * dev_priv)
+static int mga_verify_state( drm_mga_private_t *dev_priv )
 {
 	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
 	unsigned int dirty = sarea_priv->dirty;
-	int rv = 0;
-
-	DRM_DEBUG("%s\n", __FUNCTION__);
+	int ret = 0;
 
-	if (sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS)
+	if ( sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS )
 		sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS;
 
-	if (dirty & MGA_UPLOAD_CTX)
-		rv |= mgaVerifyContext(dev_priv);
+	if ( dirty & MGA_UPLOAD_CONTEXT )
+		ret |= mga_verify_context( dev_priv );
 
-	if (dirty & MGA_UPLOAD_TEX0)
-		rv |= mgaVerifyTex(dev_priv, 0);
+	if ( dirty & MGA_UPLOAD_TEX0 )
+		ret |= mga_verify_tex( dev_priv, 0 );
 
-	if (dev_priv->chipset == MGA_CARD_TYPE_G400) {
-		if (dirty & MGA_UPLOAD_TEX1)
-			rv |= mgaVerifyTex(dev_priv, 1);
+	if ( dev_priv->chipset == MGA_CARD_TYPE_G400 ) {
+		if ( dirty & MGA_UPLOAD_TEX1 )
+			ret |= mga_verify_tex( dev_priv, 1 );
 
-		if (dirty & MGA_UPLOAD_PIPE)
-			rv |= (sarea_priv->WarpPipe > MGA_MAX_G400_PIPES);
+		if ( dirty & MGA_UPLOAD_PIPE )
+			ret |= ( sarea_priv->warp_pipe > MGA_MAX_G400_PIPES );
 	} else {
-		if (dirty & MGA_UPLOAD_PIPE)
-			rv |= (sarea_priv->WarpPipe > MGA_MAX_G200_PIPES);
+		if ( dirty & MGA_UPLOAD_PIPE )
+			ret |= ( sarea_priv->warp_pipe > MGA_MAX_G200_PIPES );
 	}
 
-	return rv == 0;
+	return ( ret == 0 );
 }
 
-static int mgaVerifyIload(drm_mga_private_t * dev_priv,
-			  unsigned long bus_address,
-			  unsigned int dstOrg, int length)
+static int mga_verify_iload( drm_mga_private_t *dev_priv,
+			     unsigned int dstorg, unsigned int length )
 {
-	DRM_DEBUG("%s\n", __FUNCTION__);
+	if ( dstorg < dev_priv->texture_offset ||
+	     dstorg + length > (dev_priv->texture_offset +
+				dev_priv->texture_size) ) {
+		DRM_ERROR( "*** bad iload DSTORG: 0x%x\n", dstorg );
+		DRM_OS_RETURN( EINVAL );
+	}
 
-	if (dstOrg < dev_priv->textureOffset ||
-	    dstOrg + length >
-	    (dev_priv->textureOffset + dev_priv->textureSize)) {
-		return EINVAL;
+	if ( length & MGA_ILOAD_MASK ) {
+		DRM_ERROR( "*** bad iload length: 0x%x\n",
+			   length & MGA_ILOAD_MASK );
+		DRM_OS_RETURN( EINVAL );
 	}
-	if (length % 64) {
-		return EINVAL;
+
+	return 0;
+}
+
+static int mga_verify_blit( drm_mga_private_t *dev_priv,
+			    unsigned int srcorg, unsigned int dstorg )
+{
+	if ( (srcorg & 0x3) == (MGA_SRCACC_PCI | MGA_SRCMAP_SYSMEM) ||
+	     (dstorg & 0x3) == (MGA_SRCACC_PCI | MGA_SRCMAP_SYSMEM) ) {
+		DRM_ERROR( "*** bad blit: src=0x%x dst=0x%x\n",
+			   srcorg, dstorg );
+		DRM_OS_RETURN( EINVAL );
 	}
 	return 0;
 }
 
-/* This copies a 64 byte aligned agp region to the frambuffer
- * with a standard blit, the ioctl needs to do checking */
 
-static void mga_dma_dispatch_tex_blit(drm_device_t * dev,
-				      unsigned long bus_address,
-				      int length, unsigned int destOrg)
+/* ================================================================
+ *
+ */
+
+static void mga_dma_dispatch_clear( drm_device_t *dev,
+				    drm_mga_clear_t *clear )
 {
 	drm_mga_private_t *dev_priv = dev->dev_private;
-	int use_agp = PDEA_pagpxfer_enable | 0x00000001;
-	u16 y2;
-	PRIMLOCALS;
-	DRM_DEBUG("%s\n", __FUNCTION__);
+	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
+	drm_mga_context_regs_t *ctx = &sarea_priv->context_state;
+	drm_clip_rect_t *pbox = sarea_priv->boxes;
+	int nbox = sarea_priv->nbox;
+	int i;
+	DMA_LOCALS;
+	DRM_DEBUG( __FUNCTION__ ":\n" );
 
-	y2 = length / 64;
+	BEGIN_DMA( 1 );
 
-	PRIM_OVERFLOW(dev, dev_priv, 30);
+	DMA_BLOCK( MGA_DMAPAD,	0x00000000,
+		   MGA_DMAPAD,	0x00000000,
+		   MGA_DWGSYNC,	0x00007100,
+		   MGA_DWGSYNC,	0x00007000 );
 
-	PRIMOUTREG(MGAREG_DSTORG, destOrg);
-	PRIMOUTREG(MGAREG_MACCESS, 0x00000000);
-	DRM_DEBUG("srcorg : %lx\n", bus_address | use_agp);
-	PRIMOUTREG(MGAREG_SRCORG, (u32) bus_address | use_agp);
-	PRIMOUTREG(MGAREG_AR5, 64);
+	ADVANCE_DMA();
 
-	PRIMOUTREG(MGAREG_PITCH, 64);
-	PRIMOUTREG(MGAREG_DMAPAD, 0);
-	PRIMOUTREG(MGAREG_DMAPAD, 0);
-	PRIMOUTREG(MGAREG_DWGCTL, MGA_COPY_CMD);
+	for ( i = 0 ; i < nbox ; i++ ) {
+		drm_clip_rect_t *box = &pbox[i];
+		u32 height = box->y2 - box->y1;
 
-	PRIMOUTREG(MGAREG_AR0, 63);
-	PRIMOUTREG(MGAREG_AR3, 0);
-	PRIMOUTREG(MGAREG_FXBNDRY, (63 << 16));
-	PRIMOUTREG(MGAREG_YDSTLEN + MGAREG_MGA_EXEC, y2);
+		DRM_DEBUG( "   from=%d,%d to=%d,%d\n",
+			   box->x1, box->y1, box->x2, box->y2 );
 
-	PRIMOUTREG(MGAREG_DMAPAD, 0);
-	PRIMOUTREG(MGAREG_SRCORG, 0);
-	PRIMOUTREG(MGAREG_PITCH, dev_priv->stride / dev_priv->cpp);
-	PRIMOUTREG(MGAREG_DWGSYNC, 0x7000);
+		if ( clear->flags & MGA_FRONT ) {
+			BEGIN_DMA( 2 );
 
-	PRIMADVANCE(dev_priv);
-}
+			DMA_BLOCK( MGA_DMAPAD,	0x00000000,
+				   MGA_PLNWT,	clear->color_mask,
+				   MGA_YDSTLEN, (box->y1 << 16) | height,
+				   MGA_FXBNDRY, (box->x2 << 16) | box->x1 );
 
-static void mga_dma_dispatch_vertex(drm_device_t * dev, drm_buf_t * buf)
-{
-	drm_mga_private_t *dev_priv = dev->dev_private;
-	drm_mga_buf_priv_t *buf_priv = buf->dev_private;
-	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
-	unsigned long address = (unsigned long) buf->bus_address;
-	int length = buf->used;
-	int use_agp = PDEA_pagpxfer_enable;
-	int i = 0;
-	PRIMLOCALS;
-	DRM_DEBUG("%s\n", __FUNCTION__);
+			DMA_BLOCK( MGA_DMAPAD,	0x00000000,
+				   MGA_FCOL,	clear->clear_color,
+				   MGA_DSTORG,	dev_priv->front_offset,
+				   MGA_DWGCTL + MGA_EXEC,
+						dev_priv->clear_cmd );
 
-	DRM_DEBUG("dispatch vertex %d addr 0x%lx, "
-		  "length 0x%x nbox %d dirty %x\n",
-		  buf->idx, address, length,
-		  sarea_priv->nbox, sarea_priv->dirty);
+			ADVANCE_DMA();
+		}
 
-	DRM_DEBUG("used : %d, total : %d\n", buf->used, buf->total);
 
-	if (buf->used) {
-		/* WARNING: if you change any of the state functions verify
-		 * these numbers (Overestimating this doesn't hurt).  
-		 */
-		buf_priv->dispatched = 1;
-		PRIM_OVERFLOW(dev, dev_priv,
-			      (MAX_STATE_SIZE + (5 * MGA_NR_SAREA_CLIPRECTS)));
-		mgaEmitState(dev_priv);
+		if ( clear->flags & MGA_BACK ) {
+			BEGIN_DMA( 2 );
 
-#if 0
-                length = dev_priv->vertexsize * 3 * 4;
-#endif
+			DMA_BLOCK( MGA_DMAPAD,	0x00000000,
+				   MGA_PLNWT,	clear->color_mask,
+				   MGA_YDSTLEN, (box->y1 << 16) | height,
+				   MGA_FXBNDRY, (box->x2 << 16) | box->x1 );
 
+			DMA_BLOCK( MGA_DMAPAD,	0x00000000,
+				   MGA_FCOL,	clear->clear_color,
+				   MGA_DSTORG,	dev_priv->back_offset,
+				   MGA_DWGCTL + MGA_EXEC,
+						dev_priv->clear_cmd );
 
+			ADVANCE_DMA();
+		}
 
-		do {
-			if (i < sarea_priv->nbox) {
-				DRM_DEBUG("idx %d Emit box %d/%d:"
-					  "%d,%d - %d,%d\n",
-					  buf->idx,
-					  i, sarea_priv->nbox,
-					  sarea_priv->boxes[i].x1,
-					  sarea_priv->boxes[i].y1,
-					  sarea_priv->boxes[i].x2,
-					  sarea_priv->boxes[i].y2);
-
-				mgaEmitClipRect(dev_priv,
-						&sarea_priv->boxes[i]);
-			}
+		if ( clear->flags & MGA_DEPTH ) {
+			BEGIN_DMA( 2 );
 
-			PRIMGETPTR(dev_priv);
-			PRIMOUTREG(MGAREG_DMAPAD, 0);
-			PRIMOUTREG(MGAREG_DMAPAD, 0);
-			PRIMOUTREG(MGAREG_SECADDRESS,
-				   ((u32) address) | TT_VERTEX);
-			PRIMOUTREG(MGAREG_SECEND,
-				   (((u32) (address + length)) | use_agp));
-			PRIMADVANCE(dev_priv);
-		} while (++i < sarea_priv->nbox);
-	}
+			DMA_BLOCK( MGA_DMAPAD,	0x00000000,
+				   MGA_PLNWT,	clear->depth_mask,
+				   MGA_YDSTLEN, (box->y1 << 16) | height,
+				   MGA_FXBNDRY, (box->x2 << 16) | box->x1 );
+
+			DMA_BLOCK( MGA_DMAPAD,	0x00000000,
+				   MGA_FCOL,	clear->clear_depth,
+				   MGA_DSTORG,	dev_priv->depth_offset,
+				   MGA_DWGCTL + MGA_EXEC,
+						dev_priv->clear_cmd );
+
+			ADVANCE_DMA();
+		}
 
-	if (buf_priv->discard) {
-		if (buf_priv->dispatched == 1)
-			AGEBUF(dev_priv, buf_priv);
-		buf_priv->dispatched = 0;
-		mga_freelist_put(dev, buf);
 	}
 
+	BEGIN_DMA( 1 );
+
+	/* Force reset of DWGCTL */
+	DMA_BLOCK( MGA_DMAPAD,	0x00000000,
+		   MGA_DMAPAD,	0x00000000,
+		   MGA_PLNWT,	ctx->plnwt,
+		   MGA_DWGCTL,	ctx->dwgctl );
+
+	ADVANCE_DMA();
 
+	FLUSH_DMA();
 }
 
+static void mga_dma_dispatch_swap( drm_device_t *dev )
+{
+	drm_mga_private_t *dev_priv = dev->dev_private;
+	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
+	drm_mga_context_regs_t *ctx = &sarea_priv->context_state;
+	drm_clip_rect_t *pbox = sarea_priv->boxes;
+	int nbox = sarea_priv->nbox;
+	int i;
+	DMA_LOCALS;
+	DRM_DEBUG( __FUNCTION__ ":\n" );
+
+	sarea_priv->last_frame.head = dev_priv->prim.tail;
+	sarea_priv->last_frame.wrap = dev_priv->prim.last_wrap;
+
+	BEGIN_DMA( 4 + nbox );
+
+	DMA_BLOCK( MGA_DMAPAD,	0x00000000,
+		   MGA_DMAPAD,	0x00000000,
+		   MGA_DWGSYNC,	0x00007100,
+		   MGA_DWGSYNC,	0x00007000 );
+
+	DMA_BLOCK( MGA_DSTORG,	dev_priv->front_offset,
+		   MGA_MACCESS,	dev_priv->maccess,
+		   MGA_SRCORG,	dev_priv->back_offset,
+		   MGA_AR5,	dev_priv->front_pitch );
+
+	DMA_BLOCK( MGA_DMAPAD,	0x00000000,
+		   MGA_DMAPAD,	0x00000000,
+		   MGA_PLNWT,	0xffffffff,
+		   MGA_DWGCTL,	MGA_DWGCTL_COPY );
+
+	for ( i = 0 ; i < nbox ; i++ ) {
+		drm_clip_rect_t *box = &pbox[i];
+		u32 height = box->y2 - box->y1;
+		u32 start = box->y1 * dev_priv->front_pitch;
+
+		DRM_DEBUG( "   from=%d,%d to=%d,%d\n",
+			   box->x1, box->y1, box->x2, box->y2 );
+
+		DMA_BLOCK( MGA_AR0,	start + box->x2 - 1,
+			   MGA_AR3,	start + box->x1,
+			   MGA_FXBNDRY,	((box->x2 - 1) << 16) | box->x1,
+			   MGA_YDSTLEN + MGA_EXEC,
+					(box->y1 << 16) | height );
+	}
 
-static void mga_dma_dispatch_indices(drm_device_t * dev,
-				     drm_buf_t * buf,
-				     unsigned int start, unsigned int end)
+	DMA_BLOCK( MGA_DMAPAD,	0x00000000,
+		   MGA_PLNWT,	ctx->plnwt,
+		   MGA_SRCORG,	dev_priv->front_offset,
+		   MGA_DWGCTL,	ctx->dwgctl );
+
+	ADVANCE_DMA();
+
+	FLUSH_DMA();
+
+	DRM_DEBUG( "%s... done.\n", __FUNCTION__ );
+}
+
+static void mga_dma_dispatch_vertex( drm_device_t *dev, drm_buf_t *buf )
 {
 	drm_mga_private_t *dev_priv = dev->dev_private;
 	drm_mga_buf_priv_t *buf_priv = buf->dev_private;
 	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
-	unsigned int address = (unsigned int) buf->bus_address;
-	int use_agp = PDEA_pagpxfer_enable;
+	u32 address = (u32) buf->bus_address;
+	u32 length = (u32) buf->used;
 	int i = 0;
-	PRIMLOCALS;
-	DRM_DEBUG("%s\n", __FUNCTION__);
-
-	DRM_DEBUG("dispatch indices %d addr 0x%x, "
-		  "start 0x%x end 0x%x nbox %d dirty %x\n",
-		  buf->idx, address, start, end,
-		  sarea_priv->nbox, sarea_priv->dirty);
-
-	if (start != end) {
-		/* WARNING: if you change any of the state functions verify
-		 * these numbers (Overestimating this doesn't hurt).  
-		 */
+	DMA_LOCALS;
+	DRM_DEBUG( "vertex: buf=%d used=%d\n", buf->idx, buf->used );
+
+	if ( buf->used ) {
 		buf_priv->dispatched = 1;
-                PRIM_OVERFLOW(dev, dev_priv,
-                              (MAX_STATE_SIZE + (5 * MGA_NR_SAREA_CLIPRECTS)));
 
-		mgaEmitState(dev_priv);
+		MGA_EMIT_STATE( dev_priv, sarea_priv->dirty );
 
 		do {
-			if (i < sarea_priv->nbox) {
-				DRM_DEBUG("idx %d Emit box %d/%d:"
-					  "%d,%d - %d,%d\n",
-					  buf->idx,
-					  i, sarea_priv->nbox,
-					  sarea_priv->boxes[i].x1,
-					  sarea_priv->boxes[i].y1,
-					  sarea_priv->boxes[i].x2,
-					  sarea_priv->boxes[i].y2);
-
-				mgaEmitClipRect(dev_priv,
-						&sarea_priv->boxes[i]);
+			if ( i < sarea_priv->nbox ) {
+				mga_emit_clip_rect( dev_priv,
+						    &sarea_priv->boxes[i] );
 			}
 
-			PRIMGETPTR(dev_priv);
-			PRIMOUTREG(MGAREG_DMAPAD, 0);
-			PRIMOUTREG(MGAREG_DMAPAD, 0);
-			PRIMOUTREG(MGAREG_SETUPADDRESS,
-				   ((address + start) |
-				    SETADD_mode_vertlist));
-			PRIMOUTREG(MGAREG_SETUPEND,
-				   ((address + end) | use_agp));
-				  
-			PRIMADVANCE(dev_priv);
-		} while (++i < sarea_priv->nbox);
+			BEGIN_DMA( 1 );
+
+			DMA_BLOCK( MGA_DMAPAD,		0x00000000,
+				   MGA_DMAPAD,		0x00000000,
+				   MGA_SECADDRESS,	(address |
+							 MGA_DMA_VERTEX),
+				   MGA_SECEND,		((address + length) |
+							 MGA_PAGPXFER) );
+
+			ADVANCE_DMA();
+		} while ( ++i < sarea_priv->nbox );
 	}
-	if (buf_priv->discard) {
-		if (buf_priv->dispatched == 1)
-			AGEBUF(dev_priv, buf_priv);
+
+	if ( buf_priv->discard ) {
+		AGE_BUFFER( buf_priv );
+		buf->pending = 0;
+		buf->used = 0;
 		buf_priv->dispatched = 0;
-		mga_freelist_put(dev, buf);
-	}
-}
 
+		mga_freelist_put( dev, buf );
+	}
 
-static void mga_dma_dispatch_clear(drm_device_t * dev, int flags,
-				   unsigned int clear_color,
-                                   unsigned int clear_zval,
-                                   unsigned int clear_colormask,
-                                   unsigned int clear_depthmask)
+	FLUSH_DMA();
+}
 
+static void mga_dma_dispatch_indices( drm_device_t *dev, drm_buf_t *buf,
+				      unsigned int start, unsigned int end )
 {
 	drm_mga_private_t *dev_priv = dev->dev_private;
+	drm_mga_buf_priv_t *buf_priv = buf->dev_private;
 	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
-	unsigned int *regs = sarea_priv->ContextState;
-	int nbox = sarea_priv->nbox;
-	drm_clip_rect_t *pbox = sarea_priv->boxes;
-	unsigned int cmd;
-	int i;
-	PRIMLOCALS;
-	DRM_DEBUG("%s\n", __FUNCTION__);
-
-	if (dev_priv->sgram)
-		cmd = MGA_CLEAR_CMD | DC_atype_blk;
-	else
-		cmd = MGA_CLEAR_CMD | DC_atype_rstr;
-
-	PRIM_OVERFLOW(dev, dev_priv, 35 * MGA_NR_SAREA_CLIPRECTS);
-
-	for (i = 0; i < nbox; i++) {
-		unsigned int height = pbox[i].y2 - pbox[i].y1;
-
-		DRM_DEBUG("dispatch clear %d,%d-%d,%d flags %x!\n",
-			  pbox[i].x1, pbox[i].y1, pbox[i].x2,
-			  pbox[i].y2, flags);
-
-		if (flags & MGA_FRONT) {
-			DRM_DEBUG("clear front\n");
-			PRIMOUTREG(MGAREG_DMAPAD, 0);
-			PRIMOUTREG(MGAREG_PLNWT, clear_colormask);
-			PRIMOUTREG(MGAREG_YDSTLEN,
-				   (pbox[i].y1 << 16) | height);
-			PRIMOUTREG(MGAREG_FXBNDRY,
-				   (pbox[i].x2 << 16) | pbox[i].x1);
-
-			PRIMOUTREG(MGAREG_DMAPAD, 0);
-			PRIMOUTREG(MGAREG_FCOL, clear_color);
-			PRIMOUTREG(MGAREG_DSTORG, dev_priv->frontOffset);
-			PRIMOUTREG(MGAREG_DWGCTL + MGAREG_MGA_EXEC, cmd);
-		}
+	u32 address = (u32) buf->bus_address;
+	int i = 0;
+	DMA_LOCALS;
+	DRM_DEBUG( "indices: buf=%d start=%d end=%d\n", buf->idx, start, end );
 
-		if (flags & MGA_BACK) {
-			DRM_DEBUG("clear back\n");
-			PRIMOUTREG(MGAREG_DMAPAD, 0);
-			PRIMOUTREG(MGAREG_PLNWT, clear_colormask);
-			PRIMOUTREG(MGAREG_YDSTLEN,
-				   (pbox[i].y1 << 16) | height);
-			PRIMOUTREG(MGAREG_FXBNDRY,
-				   (pbox[i].x2 << 16) | pbox[i].x1);
-
-			PRIMOUTREG(MGAREG_DMAPAD, 0);
-			PRIMOUTREG(MGAREG_FCOL, clear_color);
-			PRIMOUTREG(MGAREG_DSTORG, dev_priv->backOffset);
-			PRIMOUTREG(MGAREG_DWGCTL + MGAREG_MGA_EXEC, cmd);
-		}
+	if ( start != end ) {
+		buf_priv->dispatched = 1;
 
-		if (flags & MGA_DEPTH) {
-			DRM_DEBUG("clear depth\n");
-			PRIMOUTREG(MGAREG_DMAPAD, 0);
-			PRIMOUTREG(MGAREG_PLNWT, clear_depthmask);
-			PRIMOUTREG(MGAREG_YDSTLEN,
-				   (pbox[i].y1 << 16) | height);
-			PRIMOUTREG(MGAREG_FXBNDRY,
-				   (pbox[i].x2 << 16) | pbox[i].x1);
-
-			PRIMOUTREG(MGAREG_DMAPAD, 0);
-			PRIMOUTREG(MGAREG_FCOL, clear_zval);
-			PRIMOUTREG(MGAREG_DSTORG, dev_priv->depthOffset);
-			PRIMOUTREG(MGAREG_DWGCTL + MGAREG_MGA_EXEC, cmd);
-		}
+		MGA_EMIT_STATE( dev_priv, sarea_priv->dirty );
+
+		do {
+			if ( i < sarea_priv->nbox ) {
+				mga_emit_clip_rect( dev_priv,
+						    &sarea_priv->boxes[i] );
+			}
+
+			BEGIN_DMA( 1 );
+
+			DMA_BLOCK( MGA_DMAPAD,		0x00000000,
+				   MGA_DMAPAD,		0x00000000,
+				   MGA_SETUPADDRESS,	address + start,
+				   MGA_SETUPEND,	((address + end) |
+							 MGA_PAGPXFER) );
+
+			ADVANCE_DMA();
+		} while ( ++i < sarea_priv->nbox );
 	}
 
-	/* Force reset of DWGCTL */
-	PRIMOUTREG(MGAREG_DMAPAD, 0);
-	PRIMOUTREG(MGAREG_DMAPAD, 0);
-	PRIMOUTREG(MGAREG_DMAPAD, 0);
-	PRIMOUTREG(MGAREG_DWGCTL, regs[MGA_CTXREG_DWGCTL]);
-	PRIMADVANCE(dev_priv);
+	if ( buf_priv->discard ) {
+		AGE_BUFFER( buf_priv );
+		buf->pending = 0;
+		buf->used = 0;
+		buf_priv->dispatched = 0;
+
+		mga_freelist_put( dev, buf );
+	}
+
+	FLUSH_DMA();
 }
 
-static void mga_dma_dispatch_swap(drm_device_t * dev)
+/* This copies a 64 byte aligned agp region to the frambuffer with a
+ * standard blit, the ioctl needs to do checking.
+ */
+static void mga_dma_dispatch_iload( drm_device_t *dev, drm_buf_t *buf,
+				    unsigned int dstorg, unsigned int length )
 {
 	drm_mga_private_t *dev_priv = dev->dev_private;
-	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
-	unsigned int *regs = sarea_priv->ContextState;
-	int nbox = sarea_priv->nbox;
-	drm_clip_rect_t *pbox = sarea_priv->boxes;
-	int i;
-	int pixel_stride = dev_priv->stride / dev_priv->cpp;
+	drm_mga_buf_priv_t *buf_priv = buf->dev_private;
+	drm_mga_context_regs_t *ctx = &dev_priv->sarea_priv->context_state;
+	u32 srcorg = buf->bus_address | MGA_SRCACC_AGP | MGA_SRCMAP_SYSMEM;
+	u32 y2;
+	DMA_LOCALS;
+	DRM_DEBUG( "%s: buf=%d used=%d\n",
+		   __FUNCTION__, buf->idx, buf->used );
 
-	PRIMLOCALS;
-	DRM_DEBUG("%s\n", __FUNCTION__);
+	y2 = length / 64;
 
-        PRIM_OVERFLOW(dev, dev_priv, (MGA_NR_SAREA_CLIPRECTS * 5) + 20);
+	BEGIN_DMA( 5 );
 
-        PRIMOUTREG(MGAREG_DMAPAD, 0);
-        PRIMOUTREG(MGAREG_DMAPAD, 0);
-        PRIMOUTREG(MGAREG_DWGSYNC, 0x7100);
-        PRIMOUTREG(MGAREG_DWGSYNC, 0x7000);
+	DMA_BLOCK( MGA_DMAPAD,	0x00000000,
+		   MGA_DMAPAD,	0x00000000,
+		   MGA_DWGSYNC,	0x00007100,
+		   MGA_DWGSYNC,	0x00007000 );
 
-	PRIMOUTREG(MGAREG_DSTORG, dev_priv->frontOffset);
-	PRIMOUTREG(MGAREG_MACCESS, dev_priv->mAccess);
-	PRIMOUTREG(MGAREG_SRCORG, dev_priv->backOffset);
-        PRIMOUTREG(MGAREG_AR5, pixel_stride);
+	DMA_BLOCK( MGA_DSTORG,	dstorg,
+		   MGA_MACCESS,	0x00000000,
+		   MGA_SRCORG,	srcorg,
+		   MGA_AR5,	64 );
 
-	PRIMOUTREG(MGAREG_DMAPAD, 0);
-	PRIMOUTREG(MGAREG_DMAPAD, 0);
-	PRIMOUTREG(MGAREG_DMAPAD, 0);
-	PRIMOUTREG(MGAREG_DWGCTL, MGA_COPY_CMD);
+	DMA_BLOCK( MGA_PITCH,	64,
+		   MGA_PLNWT,	0xffffffff,
+		   MGA_DMAPAD,	0x00000000,
+		   MGA_DWGCTL,	MGA_DWGCTL_COPY );
 
+	DMA_BLOCK( MGA_AR0,	63,
+		   MGA_AR3,	0,
+		   MGA_FXBNDRY,	(63 << 16) | 0,
+		   MGA_YDSTLEN + MGA_EXEC, y2 );
 
-	for (i = 0; i < nbox; i++) {
-		unsigned int h = pbox[i].y2 - pbox[i].y1;
-		unsigned int start = pbox[i].y1 * pixel_stride;
+	DMA_BLOCK( MGA_PLNWT,	ctx->plnwt,
+		   MGA_SRCORG,	dev_priv->front_offset,
+		   MGA_PITCH,	dev_priv->front_pitch,
+		   MGA_DWGSYNC,	0x00007000 );
 
-		PRIMOUTREG(MGAREG_AR0, start + pbox[i].x2 - 1);
-		PRIMOUTREG(MGAREG_AR3, start + pbox[i].x1);
-		PRIMOUTREG(MGAREG_FXBNDRY,
-			   pbox[i].x1 | ((pbox[i].x2 - 1) << 16));
-		PRIMOUTREG(MGAREG_YDSTLEN + MGAREG_MGA_EXEC,
-			   (pbox[i].y1 << 16) | h);
-	}
+	ADVANCE_DMA();
 
-	/* Force reset of DWGCTL */
-	PRIMOUTREG(MGAREG_DMAPAD, 0);
-	PRIMOUTREG(MGAREG_DMAPAD, 0);
-	PRIMOUTREG(MGAREG_SRCORG, 0);
-	PRIMOUTREG(MGAREG_DWGCTL, regs[MGA_CTXREG_DWGCTL]);
+	AGE_BUFFER( buf_priv );
+
+	buf->pending = 0;
+	buf->used = 0;
+	buf_priv->dispatched = 0;
 
-	PRIMADVANCE(dev_priv);
+	mga_freelist_put( dev, buf );
+
+	FLUSH_DMA();
 }
 
-int mga_clear_bufs(dev_t kdev, u_long cmd, caddr_t data,
-		   int flags, struct proc *p)
+static void mga_dma_dispatch_blit( drm_device_t *dev,
+				   drm_mga_blit_t *blit )
 {
-	drm_device_t *dev = kdev->si_drv1;
-	drm_mga_private_t *dev_priv =
-	    (drm_mga_private_t *) dev->dev_private;
+	drm_mga_private_t *dev_priv = dev->dev_private;
 	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
-	drm_mga_clear_t clear;
-	int s;
+	drm_mga_context_regs_t *ctx = &sarea_priv->context_state;
+	drm_clip_rect_t *pbox = sarea_priv->boxes;
+	int nbox = sarea_priv->nbox;
+	u32 scandir = 0, i;
+	DMA_LOCALS;
+	DRM_DEBUG( __FUNCTION__ ":\n" );
+
+	BEGIN_DMA( 4 + nbox );
+
+	DMA_BLOCK( MGA_DMAPAD,	0x00000000,
+		   MGA_DMAPAD,	0x00000000,
+		   MGA_DWGSYNC,	0x00007100,
+		   MGA_DWGSYNC,	0x00007000 );
+
+	DMA_BLOCK( MGA_DWGCTL,	MGA_DWGCTL_COPY,
+		   MGA_PLNWT,	blit->planemask,
+		   MGA_SRCORG,	blit->srcorg,
+		   MGA_DSTORG,	blit->dstorg );
+
+	DMA_BLOCK( MGA_SGN,	scandir,
+		   MGA_MACCESS,	dev_priv->maccess,
+		   MGA_AR5,	blit->ydir * blit->src_pitch,
+		   MGA_PITCH,	blit->dst_pitch );
+
+	for ( i = 0 ; i < nbox ; i++ ) {
+		int srcx = pbox[i].x1 + blit->delta_sx;
+		int srcy = pbox[i].y1 + blit->delta_sy;
+		int dstx = pbox[i].x1 + blit->delta_dx;
+		int dsty = pbox[i].y1 + blit->delta_dy;
+		int h = pbox[i].y2 - pbox[i].y1;
+		int w = pbox[i].x2 - pbox[i].x1 - 1;
+		int start;
+
+		if ( blit->ydir == -1 ) {
+			srcy = blit->height - srcy - 1;
+		}
 
-	clear = *(drm_mga_clear_t *) data;
-	DRM_DEBUG("%s\n", __FUNCTION__);
+		start = srcy * blit->src_pitch + srcx;
 
-	if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
-		DRM_ERROR("mga_clear_bufs called without lock held\n");
-		return EINVAL;
+		DMA_BLOCK( MGA_AR0,	start + w,
+			   MGA_AR3,	start,
+			   MGA_FXBNDRY,	((dstx + w) << 16) | (dstx & 0xffff),
+			   MGA_YDSTLEN + MGA_EXEC, (dsty << 16) | h );
 	}
 
-	if (sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS)
-		sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS;
-
-	/* Make sure we restore the 3D state next time.
+	/* Do something to flush AGP?
 	 */
-	dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CTX;
-	mga_dma_dispatch_clear(dev, clear.flags,
-				clear.clear_color,
-                               clear.clear_depth,
-                               clear.clear_color_mask,
-                               clear.clear_depth_mask);
-	PRIMUPDATE(dev_priv);
-	mga_flush_write_combine();
-	s = splsofttq();
-	mga_dma_schedule(dev, 1);
-	splx(s);
-	return 0;
+
+	/* Force reset of DWGCTL */
+	DMA_BLOCK( MGA_DMAPAD,	0x00000000,
+		   MGA_PLNWT,	ctx->plnwt,
+		   MGA_PITCH,	dev_priv->front_pitch,
+		   MGA_DWGCTL,	ctx->dwgctl );
+
+	ADVANCE_DMA();
 }
 
-int mga_swap_bufs(dev_t kdev, u_long cmd, caddr_t data,
-		  int flags, struct proc *p)
+
+/* ================================================================
+ *
+ */
+
+int mga_dma_clear( DRM_OS_IOCTL )
 {
-	drm_device_t *dev = kdev->si_drv1;
-	drm_mga_private_t *dev_priv =
-	    (drm_mga_private_t *) dev->dev_private;
+	DRM_OS_DEVICE;
+	drm_mga_private_t *dev_priv = dev->dev_private;
 	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
-	int s;
+	drm_mga_clear_t clear;
 
-	DRM_DEBUG("%s\n", __FUNCTION__);
+	LOCK_TEST_WITH_RETURN( dev );
 
-	if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
-		DRM_ERROR("mga_swap_bufs called without lock held\n");
-		return EINVAL;
-	}
+	DRM_OS_KRNFROMUSR( clear, (drm_mga_clear_t *) data, sizeof(clear) );
 
-	if (sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS)
+	if ( sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS )
 		sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS;
 
+	WRAP_TEST_WITH_RETURN( dev_priv );
+
+	mga_dma_dispatch_clear( dev, &clear );
+
 	/* Make sure we restore the 3D state next time.
 	 */
-	dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CTX;
-	mga_dma_dispatch_swap(dev);
-	PRIMUPDATE(dev_priv);
-	set_bit(MGA_BUF_SWAP_PENDING,
-		&dev_priv->current_prim->buffer_status);
-	mga_flush_write_combine();
-	s = splsofttq();
-	mga_dma_schedule(dev, 1);
-	splx(s);
+	dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT;
+
 	return 0;
 }
 
-int mga_iload(dev_t kdev, u_long cmd, caddr_t data,
-	      int flags, struct proc *p)
+int mga_dma_swap( DRM_OS_IOCTL )
 {
-	drm_device_t *dev = kdev->si_drv1;
-	drm_device_dma_t *dma = dev->dma;
-	drm_mga_private_t *dev_priv =
-	    (drm_mga_private_t *) dev->dev_private;
+	DRM_OS_DEVICE;
+	drm_mga_private_t *dev_priv = dev->dev_private;
 	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
-	drm_buf_t *buf;
-	drm_mga_buf_priv_t *buf_priv;
-	drm_mga_iload_t iload;
-	unsigned long bus_address;
-	int s;
 
-	DRM_DEBUG("%s\n", __FUNCTION__);
+	LOCK_TEST_WITH_RETURN( dev );
 
-	DRM_DEBUG("Starting Iload\n");
-	iload = *(drm_mga_iload_t *) data;
+	if ( sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS )
+		sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS;
 
-	if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
-		DRM_ERROR("mga_iload called without lock held\n");
-		return EINVAL;
-	}
+	WRAP_TEST_WITH_RETURN( dev_priv );
 
-	buf = dma->buflist[iload.idx];
-	buf_priv = buf->dev_private;
-	bus_address = buf->bus_address;
-	DRM_DEBUG("bus_address %lx, length %d, destorg : %x\n",
-		  bus_address, iload.length, iload.destOrg);
-
-	if (mgaVerifyIload(dev_priv,
-			   bus_address, iload.destOrg, iload.length)) {
-		mga_freelist_put(dev, buf);
-		return EINVAL;
-	}
+	mga_dma_dispatch_swap( dev );
+
+	/* Make sure we restore the 3D state next time.
+	 */
+	dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT;
 
-	sarea_priv->dirty |= MGA_UPLOAD_CTX;
-
-	mga_dma_dispatch_tex_blit(dev, bus_address, iload.length,
-				  iload.destOrg);
-	AGEBUF(dev_priv, buf_priv);
-	buf_priv->discard = 1;
-	mga_freelist_put(dev, buf);
-	mga_flush_write_combine();
-	s = splsofttq();
-	mga_dma_schedule(dev, 1);
-	splx(s);
 	return 0;
 }
 
-int mga_vertex(dev_t kdev, u_long cmd, caddr_t data,
-	       int flags, struct proc *p)
+int mga_dma_vertex( DRM_OS_IOCTL )
 {
-	drm_device_t *dev = kdev->si_drv1;
-	drm_mga_private_t *dev_priv =
-	    (drm_mga_private_t *) dev->dev_private;
+	DRM_OS_DEVICE;
+	drm_mga_private_t *dev_priv = dev->dev_private;
 	drm_device_dma_t *dma = dev->dma;
 	drm_buf_t *buf;
 	drm_mga_buf_priv_t *buf_priv;
 	drm_mga_vertex_t vertex;
 
-	DRM_DEBUG("%s\n", __FUNCTION__);
+	LOCK_TEST_WITH_RETURN( dev );
 
-	vertex = *(drm_mga_vertex_t *) data;
-
-	if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
-		DRM_ERROR("mga_vertex called without lock held\n");
-		return EINVAL;
-	}
-
-	DRM_DEBUG("mga_vertex\n");
+	DRM_OS_KRNFROMUSR( vertex, (drm_mga_vertex_t *) data, sizeof(vertex) );
 
+        if(vertex.idx < 0 || vertex.idx > dma->buf_count) DRM_OS_RETURN( EINVAL );
 	buf = dma->buflist[vertex.idx];
 	buf_priv = buf->dev_private;
 
 	buf->used = vertex.used;
 	buf_priv->discard = vertex.discard;
 
-	if (!mgaVerifyState(dev_priv)) {
-		if (vertex.discard) {
-			if (buf_priv->dispatched == 1)
-				AGEBUF(dev_priv, buf_priv);
+	if ( !mga_verify_state( dev_priv ) ) {
+		if ( vertex.discard ) {
+			if ( buf_priv->dispatched == 1 )
+				AGE_BUFFER( buf_priv );
 			buf_priv->dispatched = 0;
-			mga_freelist_put(dev, buf);
+			mga_freelist_put( dev, buf );
 		}
-		DRM_DEBUG("bad state\n");
-		return EINVAL;
+		DRM_OS_RETURN( EINVAL );
 	}
 
-	mga_dma_dispatch_vertex(dev, buf);
+	WRAP_TEST_WITH_RETURN( dev_priv );
+
+	mga_dma_dispatch_vertex( dev, buf );
 
-	PRIMUPDATE(dev_priv);
-	mga_flush_write_combine();
-	mga_dma_schedule(dev, 1);
 	return 0;
 }
 
-
-int mga_indices(dev_t kdev, u_long cmd, caddr_t data,
-		int flags, struct proc *p)
+int mga_dma_indices( DRM_OS_IOCTL )
 {
-	drm_device_t *dev = kdev->si_drv1;
-	drm_mga_private_t *dev_priv =
-	    (drm_mga_private_t *) dev->dev_private;
+	DRM_OS_DEVICE;
+	drm_mga_private_t *dev_priv = dev->dev_private;
 	drm_device_dma_t *dma = dev->dma;
 	drm_buf_t *buf;
 	drm_mga_buf_priv_t *buf_priv;
 	drm_mga_indices_t indices;
-	DRM_DEBUG("%s\n", __FUNCTION__);
 
-	indices = *(drm_mga_indices_t *) data;
+	LOCK_TEST_WITH_RETURN( dev );
 
-	if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
-		DRM_ERROR("mga_indices called without lock held\n");
-		return EINVAL;
-	}
+	DRM_OS_KRNFROMUSR( indices, (drm_mga_indices_t *) data, sizeof(indices) );
 
-	DRM_DEBUG("mga_indices\n");
+        if(indices.idx < 0 || indices.idx > dma->buf_count) DRM_OS_RETURN( EINVAL );
 
 	buf = dma->buflist[indices.idx];
 	buf_priv = buf->dev_private;
 
 	buf_priv->discard = indices.discard;
 
-	if (!mgaVerifyState(dev_priv)) {
-		if (indices.discard) {
-			if (buf_priv->dispatched == 1)
-				AGEBUF(dev_priv, buf_priv);
+	if ( !mga_verify_state( dev_priv ) ) {
+		if ( indices.discard ) {
+			if ( buf_priv->dispatched == 1 )
+				AGE_BUFFER( buf_priv );
 			buf_priv->dispatched = 0;
-			mga_freelist_put(dev, buf);
+			mga_freelist_put( dev, buf );
 		}
-		return EINVAL;
+		DRM_OS_RETURN( EINVAL );
 	}
 
-	mga_dma_dispatch_indices(dev, buf, indices.start, indices.end);
+	WRAP_TEST_WITH_RETURN( dev_priv );
+
+	mga_dma_dispatch_indices( dev, buf, indices.start, indices.end );
 
-	PRIMUPDATE(dev_priv);
-	mga_flush_write_combine();
-	mga_dma_schedule(dev, 1);
 	return 0;
 }
 
-
-
-static int
-mga_dma_get_buffers(drm_device_t * dev, drm_dma_t * d, struct proc *p)
+int mga_dma_iload( DRM_OS_IOCTL )
 {
-	int i, error;
+	DRM_OS_DEVICE;
+	drm_device_dma_t *dma = dev->dma;
+	drm_mga_private_t *dev_priv = dev->dev_private;
 	drm_buf_t *buf;
-	DRM_DEBUG("%s\n", __FUNCTION__);
-
-	for (i = d->granted_count; i < d->request_count; i++) {
-		buf = mga_freelist_get(dev);
-		if (!buf)
-			break;
-		buf->pid = p->p_pid;
-		error = copyout(&buf->idx,
-				&d->request_indices[i],
-				sizeof(buf->idx));
-		if (error) return error;
-		error = copyout(&buf->total,
-				&d->request_sizes[i],
-				sizeof(buf->total));
-		if (error) return error;
-		++d->granted_count;
+	drm_mga_buf_priv_t *buf_priv;
+	drm_mga_iload_t iload;
+	DRM_DEBUG( __FUNCTION__ ":\n" );
+
+	LOCK_TEST_WITH_RETURN( dev );
+
+	DRM_OS_KRNFROMUSR( iload, (drm_mga_iload_t *) data, sizeof(iload) );
+
+#if 0
+	if ( mga_do_wait_for_idle( dev_priv ) ) {
+		if ( MGA_DMA_DEBUG )
+			DRM_INFO( __FUNCTION__": -EBUSY\n" );
+		DRM_OS_RETURN( EBUSY );
 	}
+#endif
+        if(iload.idx < 0 || iload.idx > dma->buf_count) DRM_OS_RETURN( EINVAL );
+
+	buf = dma->buflist[iload.idx];
+	buf_priv = buf->dev_private;
+
+	if ( mga_verify_iload( dev_priv, iload.dstorg, iload.length ) ) {
+		mga_freelist_put( dev, buf );
+		DRM_OS_RETURN( EINVAL );
+	}
+
+	WRAP_TEST_WITH_RETURN( dev_priv );
+
+	mga_dma_dispatch_iload( dev, buf, iload.dstorg, iload.length );
+
+	/* Make sure we restore the 3D state next time.
+	 */
+	dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT;
+
 	return 0;
 }
 
-int mga_dma(dev_t kdev, u_long cmd, caddr_t data,
-	    int flags, struct proc *p)
+int mga_dma_blit( DRM_OS_IOCTL )
 {
-	drm_device_t *dev = kdev->si_drv1;
-	drm_device_dma_t *dma = dev->dma;
-	int retcode = 0;
-	drm_dma_t d;
-	DRM_DEBUG("%s\n", __FUNCTION__);
+	DRM_OS_DEVICE;
+	drm_mga_private_t *dev_priv = dev->dev_private;
+	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
+	drm_mga_blit_t blit;
+	DRM_DEBUG( "%s\n", __FUNCTION__ );
 
-	d = *(drm_dma_t *) data;
-	DRM_DEBUG("%d %d: %d send, %d req\n",
-		  p->p_pid, d.context, d.send_count, d.request_count);
+	LOCK_TEST_WITH_RETURN( dev );
 
-	if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
-		DRM_ERROR("mga_dma called without lock held\n");
-		return EINVAL;
-	}
+	DRM_OS_KRNFROMUSR( blit, (drm_mga_blit_t *) data, sizeof(blit) );
 
-	/* Please don't send us buffers.
-	 */
-	if (d.send_count != 0) {
-		DRM_ERROR
-		    ("Process %d trying to send %d buffers via drmDMA\n",
-		     p->p_pid, d.send_count);
-		return EINVAL;
-	}
+	if ( sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS )
+		sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS;
 
-	/* We'll send you buffers.
-	 */
-	if (d.request_count < 0 || d.request_count > dma->buf_count) {
-		DRM_ERROR
-		    ("Process %d trying to get %d buffers (of %d max)\n",
-		     p->p_pid, d.request_count, dma->buf_count);
-		return EINVAL;
-	}
+	if ( mga_verify_blit( dev_priv, blit.srcorg, blit.dstorg ) )
+		DRM_OS_RETURN( EINVAL );
 
-	d.granted_count = 0;
+	WRAP_TEST_WITH_RETURN( dev_priv );
 
-	if (d.request_count) {
-		retcode = mga_dma_get_buffers(dev, &d, p);
-	}
+	mga_dma_dispatch_blit( dev, &blit );
 
-	DRM_DEBUG("%d returning, granted = %d\n",
-		  p->p_pid, d.granted_count);
-	*(drm_dma_t *) data = d;
-	return retcode;
+	/* Make sure we restore the 3D state next time.
+	 */
+	dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT;
+
+	return 0;
 }
diff --git a/bsd/mga_drm.h b/bsd/mga_drm.h
index eefa28d3..4af2ca2e 100644
--- a/bsd/mga_drm.h
+++ b/bsd/mga_drm.h
@@ -1,4 +1,4 @@
-/* mga_drm.h -- Public header for the Matrox g200/g400 driver
+/* mga_drm.h -- Public header for the Matrox g200/g400 driver -*- linux-c -*-
  * Created: Tue Jan 25 01:50:01 1999 by jhartmann@precisioninsight.com
  *
  * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
@@ -11,195 +11,178 @@
  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  * and/or sell copies of the Software, and to permit persons to whom the
  * Software is furnished to do so, subject to the following conditions:
- * 
+ *
  * The above copyright notice and this permission notice (including the next
  * paragraph) shall be included in all copies or substantial portions of the
  * Software.
- * 
+ *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
  *
- * Authors: Jeff Hartmann <jhartmann@valinux.com>
- *          Keith Whitwell <keithw@valinux.com>
+ * Authors:
+ *    Jeff Hartmann <jhartmann@valinux.com>
+ *    Keith Whitwell <keithw@valinux.com>
  *
+ * Rewritten by:
+ *    Gareth Hughes <gareth@valinux.com>
  */
 
-#ifndef _MGA_DRM_H_
-#define _MGA_DRM_H_
+#ifndef __MGA_DRM_H__
+#define __MGA_DRM_H__
 
 /* WARNING: If you change any of these defines, make sure to change the
- * defines in the Xserver file (xf86drmMga.h)
- */
-#ifndef _MGA_DEFINES_
-#define _MGA_DEFINES_
-
-#define MGA_F  0x1		/* fog */
-#define MGA_A  0x2		/* alpha */
-#define MGA_S  0x4		/* specular */
-#define MGA_T2 0x8		/* multitexture */
-
-#define MGA_WARP_TGZ            0
-#define MGA_WARP_TGZF           (MGA_F)
-#define MGA_WARP_TGZA           (MGA_A)
-#define MGA_WARP_TGZAF          (MGA_F|MGA_A)
-#define MGA_WARP_TGZS           (MGA_S)
-#define MGA_WARP_TGZSF          (MGA_S|MGA_F)
-#define MGA_WARP_TGZSA          (MGA_S|MGA_A)
-#define MGA_WARP_TGZSAF         (MGA_S|MGA_F|MGA_A)
-#define MGA_WARP_T2GZ           (MGA_T2)
-#define MGA_WARP_T2GZF          (MGA_T2|MGA_F)
-#define MGA_WARP_T2GZA          (MGA_T2|MGA_A)
-#define MGA_WARP_T2GZAF         (MGA_T2|MGA_A|MGA_F)
-#define MGA_WARP_T2GZS          (MGA_T2|MGA_S)
-#define MGA_WARP_T2GZSF         (MGA_T2|MGA_S|MGA_F)
-#define MGA_WARP_T2GZSA         (MGA_T2|MGA_S|MGA_A)
-#define MGA_WARP_T2GZSAF        (MGA_T2|MGA_S|MGA_F|MGA_A)
-
-#define MGA_MAX_G400_PIPES 16
-#define MGA_MAX_G200_PIPES  8	/* no multitex */
-#define MGA_MAX_WARP_PIPES MGA_MAX_G400_PIPES
-
-#define MGA_CARD_TYPE_G200 1
-#define MGA_CARD_TYPE_G400 2
-
-#define MGA_FRONT   0x1
-#define MGA_BACK    0x2
-#define MGA_DEPTH   0x4
-
-/* 3d state excluding texture units:
+ * defines in the Xserver file (mga_sarea.h)
  */
-#define MGA_CTXREG_DSTORG   0	/* validated */
-#define MGA_CTXREG_MACCESS  1	
-#define MGA_CTXREG_PLNWT    2	
-#define MGA_CTXREG_DWGCTL    3	
-#define MGA_CTXREG_ALPHACTRL 4
-#define MGA_CTXREG_FOGCOLOR  5
-#define MGA_CTXREG_WFLAG     6
-#define MGA_CTXREG_TDUAL0    7
-#define MGA_CTXREG_TDUAL1    8
-#define MGA_CTXREG_FCOL      9
-#define MGA_CTX_SETUP_SIZE   10
-
-/* 2d state
- */
-#define MGA_2DREG_PITCH 	0
-#define MGA_2D_SETUP_SIZE 	1
+#ifndef __MGA_SAREA_DEFINES__
+#define __MGA_SAREA_DEFINES__
 
-/* Each texture unit has a state:
+/* WARP pipe flags
  */
-#define MGA_TEXREG_CTL        0
-#define MGA_TEXREG_CTL2       1
-#define MGA_TEXREG_FILTER     2
-#define MGA_TEXREG_BORDERCOL  3
-#define MGA_TEXREG_ORG        4 /* validated */
-#define MGA_TEXREG_ORG1       5
-#define MGA_TEXREG_ORG2       6
-#define MGA_TEXREG_ORG3       7
-#define MGA_TEXREG_ORG4       8
-#define MGA_TEXREG_WIDTH      9
-#define MGA_TEXREG_HEIGHT     10
-#define MGA_TEX_SETUP_SIZE    11
+#define MGA_F			0x1		/* fog */
+#define MGA_A			0x2		/* alpha */
+#define MGA_S			0x4		/* specular */
+#define MGA_T2			0x8		/* multitexture */
+
+#define MGA_WARP_TGZ		0
+#define MGA_WARP_TGZF		(MGA_F)
+#define MGA_WARP_TGZA		(MGA_A)
+#define MGA_WARP_TGZAF		(MGA_F|MGA_A)
+#define MGA_WARP_TGZS		(MGA_S)
+#define MGA_WARP_TGZSF		(MGA_S|MGA_F)
+#define MGA_WARP_TGZSA		(MGA_S|MGA_A)
+#define MGA_WARP_TGZSAF		(MGA_S|MGA_F|MGA_A)
+#define MGA_WARP_T2GZ		(MGA_T2)
+#define MGA_WARP_T2GZF		(MGA_T2|MGA_F)
+#define MGA_WARP_T2GZA		(MGA_T2|MGA_A)
+#define MGA_WARP_T2GZAF		(MGA_T2|MGA_A|MGA_F)
+#define MGA_WARP_T2GZS		(MGA_T2|MGA_S)
+#define MGA_WARP_T2GZSF		(MGA_T2|MGA_S|MGA_F)
+#define MGA_WARP_T2GZSA		(MGA_T2|MGA_S|MGA_A)
+#define MGA_WARP_T2GZSAF	(MGA_T2|MGA_S|MGA_F|MGA_A)
+
+#define MGA_MAX_G200_PIPES	8		/* no multitex */
+#define MGA_MAX_G400_PIPES	16
+#define MGA_MAX_WARP_PIPES	MGA_MAX_G400_PIPES
+#define MGA_WARP_UCODE_SIZE	32768		/* in bytes */
+
+#define MGA_CARD_TYPE_G200	1
+#define MGA_CARD_TYPE_G400	2
+
+
+#define MGA_FRONT		0x1
+#define MGA_BACK		0x2
+#define MGA_DEPTH		0x4
 
 /* What needs to be changed for the current vertex dma buffer?
  */
-#define MGA_UPLOAD_CTX        0x1
-#define MGA_UPLOAD_TEX0       0x2
-#define MGA_UPLOAD_TEX1       0x4
-#define MGA_UPLOAD_PIPE       0x8
-#define MGA_UPLOAD_TEX0IMAGE  0x10 /* handled client-side */
-#define MGA_UPLOAD_TEX1IMAGE  0x20 /* handled client-side */
-#define MGA_UPLOAD_2D 	      0x40
-#define MGA_WAIT_AGE          0x80 /* handled client-side */
-#define MGA_UPLOAD_CLIPRECTS  0x100 /* handled client-side */
-#define MGA_DMA_FLUSH	      0x200 /* set when someone gets the lock
-                                       quiescent */
+#define MGA_UPLOAD_CONTEXT	0x1
+#define MGA_UPLOAD_TEX0		0x2
+#define MGA_UPLOAD_TEX1		0x4
+#define MGA_UPLOAD_PIPE		0x8
+#define MGA_UPLOAD_TEX0IMAGE	0x10 /* handled client-side */
+#define MGA_UPLOAD_TEX1IMAGE	0x20 /* handled client-side */
+#define MGA_UPLOAD_2D		0x40
+#define MGA_WAIT_AGE		0x80 /* handled client-side */
+#define MGA_UPLOAD_CLIPRECTS	0x100 /* handled client-side */
+#if 0
+#define MGA_DMA_FLUSH		0x200 /* set when someone gets the lock
+					 quiescent */
+#endif
 
 /* 32 buffers of 64k each, total 2 meg.
  */
-#define MGA_DMA_BUF_ORDER     16
-#define MGA_DMA_BUF_SZ        (1<<MGA_DMA_BUF_ORDER)
-#define MGA_DMA_BUF_NR        31
+#define MGA_BUFFER_SIZE		(1 << 16)
+#define MGA_NUM_BUFFERS		128
 
 /* Keep these small for testing.
  */
-#define MGA_NR_SAREA_CLIPRECTS 8
+#define MGA_NR_SAREA_CLIPRECTS	8
 
 /* 2 heaps (1 for card, 1 for agp), each divided into upto 128
- * regions, subject to a minimum region size of (1<<16) == 64k. 
+ * regions, subject to a minimum region size of (1<<16) == 64k.
  *
  * Clients may subdivide regions internally, but when sharing between
- * clients, the region size is the minimum granularity. 
+ * clients, the region size is the minimum granularity.
  */
 
-#define MGA_CARD_HEAP 0
-#define MGA_AGP_HEAP  1
-#define MGA_NR_TEX_HEAPS 2
-#define MGA_NR_TEX_REGIONS 16
-#define MGA_LOG_MIN_TEX_REGION_SIZE 16
-#endif
+#define MGA_CARD_HEAP			0
+#define MGA_AGP_HEAP			1
+#define MGA_NR_TEX_HEAPS		2
+#define MGA_NR_TEX_REGIONS		16
+#define MGA_LOG_MIN_TEX_REGION_SIZE	16
 
-typedef struct _drm_mga_warp_index {
-   	int installed;
-   	unsigned long phys_addr;
-   	int size;
-} drm_mga_warp_index_t;
+#endif /* __MGA_SAREA_DEFINES__ */
 
-typedef struct drm_mga_init {
-   	enum { 
-	   	MGA_INIT_DMA = 0x01,
-	       	MGA_CLEANUP_DMA = 0x02
-	} func;
-   	int reserved_map_agpstart;
-   	int reserved_map_idx;
-   	int buffer_map_idx;
-   	int sarea_priv_offset;
-   	int primary_size;
-   	int warp_ucode_size;
-   	unsigned int frontOffset;
-   	unsigned int backOffset;
-   	unsigned int depthOffset;
-   	unsigned int textureOffset;
-   	unsigned int textureSize;
-        unsigned int agpTextureOffset;
-        unsigned int agpTextureSize;
-   	unsigned int cpp;
-   	unsigned int stride;
-   	int sgram;
-	int chipset;
-   	drm_mga_warp_index_t WarpIndex[MGA_MAX_WARP_PIPES];
-	unsigned int mAccess;
-} drm_mga_init_t;
 
-/* Warning: if you change the sarea structure, you must change the Xserver
- * structures as well */
+/* Setup registers for 3D context
+ */
+typedef struct {
+	unsigned int dstorg;
+	unsigned int maccess;
+	unsigned int plnwt;
+	unsigned int dwgctl;
+	unsigned int alphactrl;
+	unsigned int fogcolor;
+	unsigned int wflag;
+	unsigned int tdualstage0;
+	unsigned int tdualstage1;
+	unsigned int fcol;
+	unsigned int stencil;
+	unsigned int stencilctl;
+} drm_mga_context_regs_t;
+
+/* Setup registers for 2D, X server
+ */
+typedef struct {
+	unsigned int pitch;
+} drm_mga_server_regs_t;
 
-typedef struct _drm_mga_tex_region {
-	unsigned char next, prev;	
-	unsigned char in_use;	
-	unsigned int age;			
-} drm_mga_tex_region_t;
+/* Setup registers for each texture unit
+ */
+typedef struct {
+	unsigned int texctl;
+	unsigned int texctl2;
+	unsigned int texfilter;
+	unsigned int texbordercol;
+	unsigned int texorg;
+	unsigned int texwidth;
+	unsigned int texheight;
+	unsigned int texorg1;
+	unsigned int texorg2;
+	unsigned int texorg3;
+	unsigned int texorg4;
+} drm_mga_texture_regs_t;
+
+/* General aging mechanism
+ */
+typedef struct {
+	unsigned int head;		/* Position of head pointer          */
+	unsigned int wrap;		/* Primary DMA wrap count            */
+} drm_mga_age_t;
 
 typedef struct _drm_mga_sarea {
 	/* The channel for communication of state information to the kernel
 	 * on firing a vertex dma buffer.
 	 */
-   	unsigned int ContextState[MGA_CTX_SETUP_SIZE];
-   	unsigned int ServerState[MGA_2D_SETUP_SIZE];
-   	unsigned int TexState[2][MGA_TEX_SETUP_SIZE];
-   	unsigned int WarpPipe;
+   	drm_mga_context_regs_t context_state;
+   	drm_mga_server_regs_t server_state;
+   	drm_mga_texture_regs_t tex_state[2];
+   	unsigned int warp_pipe;
    	unsigned int dirty;
+   	unsigned int vertsize;
 
-   	unsigned int nbox;
+	/* The current cliprects, or a subset thereof.
+	 */
    	drm_clip_rect_t boxes[MGA_NR_SAREA_CLIPRECTS];
-
+   	unsigned int nbox;
 
 	/* Information about the most recently used 3d drawable.  The
-	 * client fills in the req_* fields, the server fills in the 
+	 * client fills in the req_* fields, the server fills in the
 	 * exported_ fields and puts the cliprects into boxes, above.
 	 *
 	 * The client clears the exported_drawable field before
@@ -208,62 +191,120 @@ typedef struct _drm_mga_sarea {
         unsigned int req_drawable;	 /* the X drawable id */
 	unsigned int req_draw_buffer;	 /* MGA_FRONT or MGA_BACK */
 
-        unsigned int exported_drawable;	 
-	unsigned int exported_index; 
-        unsigned int exported_stamp;	
-        unsigned int exported_buffers;	 
+        unsigned int exported_drawable;
+	unsigned int exported_index;
+        unsigned int exported_stamp;
+        unsigned int exported_buffers;
         unsigned int exported_nfront;
         unsigned int exported_nback;
-	int exported_back_x, exported_front_x, exported_w;	
+	int exported_back_x, exported_front_x, exported_w;
 	int exported_back_y, exported_front_y, exported_h;
    	drm_clip_rect_t exported_boxes[MGA_NR_SAREA_CLIPRECTS];
-   
+
 	/* Counters for aging textures and for client-side throttling.
 	 */
+	unsigned int status[4];
+	unsigned int last_wrap;
+
+	drm_mga_age_t last_frame;
         unsigned int last_enqueue;	/* last time a buffer was enqueued */
 	unsigned int last_dispatch;	/* age of the most recently dispatched buffer */
 	unsigned int last_quiescent;     /*  */
 
-
-	/* LRU lists for texture memory in agp space and on the card
+	/* LRU lists for texture memory in agp space and on the card.
 	 */
-	drm_mga_tex_region_t texList[MGA_NR_TEX_HEAPS][MGA_NR_TEX_REGIONS+1];
+	drm_tex_region_t texList[MGA_NR_TEX_HEAPS][MGA_NR_TEX_REGIONS+1];
 	unsigned int texAge[MGA_NR_TEX_HEAPS];
-	
+
 	/* Mechanism to validate card state.
 	 */
    	int ctxOwner;
-} drm_mga_sarea_t;	
+} drm_mga_sarea_t;
 
-/* Device specific ioctls:
+
+/* WARNING: If you change any of these defines, make sure to change the
+ * defines in the Xserver file (xf86drmMga.h)
  */
-typedef struct _drm_mga_clear {
+typedef struct _drm_mga_warp_index {
+   	int installed;
+   	unsigned long phys_addr;
+   	int size;
+} drm_mga_warp_index_t;
+
+typedef struct drm_mga_init {
+   	enum {
+	   	MGA_INIT_DMA    = 0x01,
+	       	MGA_CLEANUP_DMA = 0x02
+	} func;
+
+   	unsigned long sarea_priv_offset;
+
+	int chipset;
+   	int sgram;
+
+	unsigned int maccess;
+
+   	unsigned int fb_cpp;
+	unsigned int front_offset, front_pitch;
+   	unsigned int back_offset, back_pitch;
+
+   	unsigned int depth_cpp;
+   	unsigned int depth_offset, depth_pitch;
+
+   	unsigned int texture_offset[MGA_NR_TEX_HEAPS];
+   	unsigned int texture_size[MGA_NR_TEX_HEAPS];
+
+	unsigned long fb_offset;
+	unsigned long mmio_offset;
+	unsigned long status_offset;
+	unsigned long warp_offset;
+	unsigned long primary_offset;
+	unsigned long buffers_offset;
+} drm_mga_init_t;
+
+typedef struct drm_mga_fullscreen {
+	enum {
+		MGA_INIT_FULLSCREEN    = 0x01,
+		MGA_CLEANUP_FULLSCREEN = 0x02
+	} func;
+} drm_mga_fullscreen_t;
+
+typedef struct drm_mga_clear {
+	unsigned int flags;
 	unsigned int clear_color;
 	unsigned int clear_depth;
-	unsigned int flags;
+	unsigned int color_mask;
+	unsigned int depth_mask;
 } drm_mga_clear_t;
 
-typedef struct _drm_mga_swap {
-   	int dummy;
-} drm_mga_swap_t;
+typedef struct drm_mga_vertex {
+   	int idx;			/* buffer to queue */
+	int used;			/* bytes in use */
+	int discard;			/* client finished with buffer?  */
+} drm_mga_vertex_t;
+
+typedef struct drm_mga_indices {
+   	int idx;			/* buffer to queue */
+	unsigned int start;
+	unsigned int end;
+	int discard;			/* client finished with buffer?  */
+} drm_mga_indices_t;
 
-typedef struct _drm_mga_iload {
+typedef struct drm_mga_iload {
 	int idx;
-	int length;
-	unsigned int destOrg;
+	unsigned int dstorg;
+	unsigned int length;
 } drm_mga_iload_t;
 
-typedef struct _drm_mga_vertex {
-   	int idx;		/* buffer to queue */
-	int used;		/* bytes in use */
-	int discard;		/* client finished with buffer?  */
-} drm_mga_vertex_t;
-
-typedef struct _drm_mga_indices {
-   	int idx;		/* buffer to queue */
-	unsigned int start;		
-	unsigned int end;		
-	int discard;		/* client finished with buffer?  */
-} drm_mga_indices_t;
+typedef struct _drm_mga_blit {
+	unsigned int planemask;
+	unsigned int srcorg;
+	unsigned int dstorg;
+	int src_pitch, dst_pitch;
+	int delta_sx, delta_sy;
+	int delta_dx, delta_dy;
+	int height, ydir;		/* flip image vertically */
+	int source_pitch, dest_pitch;
+} drm_mga_blit_t;
 
 #endif
diff --git a/bsd/r128/Makefile b/bsd/r128/Makefile
new file mode 100644
index 00000000..ae5622ed
--- /dev/null
+++ b/bsd/r128/Makefile
@@ -0,0 +1,25 @@
+# $FreeBSD$
+
+KMOD	= r128
+NOMAN=	YES
+SRCS    = r128_cce.c r128_drv.c r128_state.c
+SRCS   += device_if.h bus_if.h pci_if.h opt_drm_linux.h
+CFLAGS += ${DEBUG_FLAGS} -I. -I..
+
+@:
+	ln -sf /sys @
+
+machine:
+	ln -sf /sys/i386/include machine
+
+.if ${MACHINE_ARCH} == "i386"
+# This line enables linux ioctl handling
+# If you want support for this uncomment this line
+#R128_OPTS=     "\#define DRM_LINUX" 1
+.endif
+
+opt_drm_linux.h:
+	touch opt_drm_linux.h
+	echo $(R128_OPTS) >> opt_drm_linux.h
+
+.include <bsd.kmod.mk>
diff --git a/bsd/r128_drm.h b/bsd/r128_drm.h
index bff103c2..0fc6a6cd 100644
--- a/bsd/r128_drm.h
+++ b/bsd/r128_drm.h
@@ -2,6 +2,7 @@
  * Created: Wed Apr  5 19:24:19 2000 by kevin@precisioninsight.com
  *
  * Copyright 2000 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
  * All rights reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
@@ -10,11 +11,11 @@
  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  * and/or sell copies of the Software, and to permit persons to whom the
  * Software is furnished to do so, subject to the following conditions:
- * 
+ *
  * The above copyright notice and this permission notice (including the next
  * paragraph) shall be included in all copies or substantial portions of the
  * Software.
- * 
+ *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
@@ -23,89 +24,264 @@
  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  * DEALINGS IN THE SOFTWARE.
  *
- * Authors: Kevin E. Martin <kevin@precisioninsight.com>
- *
- * $XFree86: xc/programs/Xserver/hw/xfree86/os-support/bsd/drm/kernel/r128_drm.h,v 1.1 2000/06/17 00:03:29 martin Exp $
+ * Authors:
+ *    Gareth Hughes <gareth@valinux.com>
+ *    Kevin E. Martin <martin@valinux.com>
+ */
+
+#ifndef __R128_DRM_H__
+#define __R128_DRM_H__
+
+/* WARNING: If you change any of these defines, make sure to change the
+ * defines in the X server file (r128_sarea.h)
+ */
+#ifndef __R128_SAREA_DEFINES__
+#define __R128_SAREA_DEFINES__
+
+/* What needs to be changed for the current vertex buffer?
+ */
+#define R128_UPLOAD_CONTEXT		0x001
+#define R128_UPLOAD_SETUP		0x002
+#define R128_UPLOAD_TEX0		0x004
+#define R128_UPLOAD_TEX1		0x008
+#define R128_UPLOAD_TEX0IMAGES		0x010
+#define R128_UPLOAD_TEX1IMAGES		0x020
+#define R128_UPLOAD_CORE		0x040
+#define R128_UPLOAD_MASKS		0x080
+#define R128_UPLOAD_WINDOW		0x100
+#define R128_UPLOAD_CLIPRECTS		0x200	/* handled client-side */
+#define R128_REQUIRE_QUIESCENCE		0x400
+#define R128_UPLOAD_ALL			0x7ff
+
+#define R128_FRONT			0x1
+#define R128_BACK			0x2
+#define R128_DEPTH			0x4
+
+/* Primitive types
+ */
+#define R128_POINTS			0x1
+#define R128_LINES			0x2
+#define R128_LINE_STRIP			0x3
+#define R128_TRIANGLES			0x4
+#define R128_TRIANGLE_FAN		0x5
+#define R128_TRIANGLE_STRIP		0x6
+
+/* Vertex/indirect buffer size
+ */
+#define R128_BUFFER_SIZE		16384
+
+/* Byte offsets for indirect buffer data
+ */
+#define R128_INDEX_PRIM_OFFSET		20
+#define R128_HOSTDATA_BLIT_OFFSET	32
+
+/* Keep these small for testing.
+ */
+#define R128_NR_SAREA_CLIPRECTS		12
+
+/* There are 2 heaps (local/AGP).  Each region within a heap is a
+ *  minimum of 64k, and there are at most 64 of them per heap.
+ */
+#define R128_LOCAL_TEX_HEAP		0
+#define R128_AGP_TEX_HEAP		1
+#define R128_NR_TEX_HEAPS		2
+#define R128_NR_TEX_REGIONS		64
+#define R128_LOG_TEX_GRANULARITY	16
+
+#define R128_NR_CONTEXT_REGS		12
+
+#define R128_MAX_TEXTURE_LEVELS		11
+#define R128_MAX_TEXTURE_UNITS		2
+
+#endif /* __R128_SAREA_DEFINES__ */
+
+typedef struct {
+	/* Context state - can be written in one large chunk */
+	unsigned int dst_pitch_offset_c;
+	unsigned int dp_gui_master_cntl_c;
+	unsigned int sc_top_left_c;
+	unsigned int sc_bottom_right_c;
+	unsigned int z_offset_c;
+	unsigned int z_pitch_c;
+	unsigned int z_sten_cntl_c;
+	unsigned int tex_cntl_c;
+	unsigned int misc_3d_state_cntl_reg;
+	unsigned int texture_clr_cmp_clr_c;
+	unsigned int texture_clr_cmp_msk_c;
+	unsigned int fog_color_c;
+
+	/* Texture state */
+	unsigned int tex_size_pitch_c;
+	unsigned int constant_color_c;
+
+	/* Setup state */
+	unsigned int pm4_vc_fpu_setup;
+	unsigned int setup_cntl;
+
+	/* Mask state */
+	unsigned int dp_write_mask;
+	unsigned int sten_ref_mask_c;
+	unsigned int plane_3d_mask_c;
+
+	/* Window state */
+	unsigned int window_xy_offset;
+
+	/* Core state */
+	unsigned int scale_3d_cntl;
+} drm_r128_context_regs_t;
+
+/* Setup registers for each texture unit
  */
+typedef struct {
+	unsigned int tex_cntl;
+	unsigned int tex_combine_cntl;
+	unsigned int tex_size_pitch;
+	unsigned int tex_offset[R128_MAX_TEXTURE_LEVELS];
+	unsigned int tex_border_color;
+} drm_r128_texture_regs_t;
+
+
+typedef struct drm_r128_sarea {
+	/* The channel for communication of state information to the kernel
+	 * on firing a vertex buffer.
+	 */
+	drm_r128_context_regs_t context_state;
+	drm_r128_texture_regs_t tex_state[R128_MAX_TEXTURE_UNITS];
+	unsigned int dirty;
+	unsigned int vertsize;
+	unsigned int vc_format;
+
+	/* The current cliprects, or a subset thereof.
+	 */
+	drm_clip_rect_t boxes[R128_NR_SAREA_CLIPRECTS];
+	unsigned int nbox;
+
+	/* Counters for client-side throttling of rendering clients.
+	 */
+	unsigned int last_frame;
+	unsigned int last_dispatch;
+
+	drm_tex_region_t tex_list[R128_NR_TEX_HEAPS][R128_NR_TEX_REGIONS+1];
+	int tex_age[R128_NR_TEX_HEAPS];
+	int ctx_owner;
+} drm_r128_sarea_t;
 
-#ifndef _R128_DRM_H_
-#define _R128_DRM_H_
 
 /* WARNING: If you change any of these defines, make sure to change the
  * defines in the Xserver file (xf86drmR128.h)
  */
 typedef struct drm_r128_init {
-	enum { 
+	enum {
 		R128_INIT_CCE    = 0x01,
 		R128_CLEANUP_CCE = 0x02
 	} func;
+#if CONFIG_XFREE86_VERSION < XFREE86_VERSION(4,1,0,0)
 	int sarea_priv_offset;
+#else
+	unsigned long sarea_priv_offset;
+#endif
 	int is_pci;
 	int cce_mode;
-	int cce_fifo_size;
 	int cce_secure;
 	int ring_size;
 	int usec_timeout;
 
-	int fb_offset;
-	int agp_ring_offset;
-	int agp_read_ptr_offset;
-	int agp_vertbufs_offset;
-	int agp_indbufs_offset;
-	int agp_textures_offset;
-	int mmio_offset;
+	unsigned int fb_bpp;
+	unsigned int front_offset, front_pitch;
+	unsigned int back_offset, back_pitch;
+	unsigned int depth_bpp;
+	unsigned int depth_offset, depth_pitch;
+	unsigned int span_offset;
+
+#if CONFIG_XFREE86_VERSION < XFREE86_VERSION(4,1,0,0)
+	unsigned int fb_offset;
+	unsigned int mmio_offset;
+	unsigned int ring_offset;
+	unsigned int ring_rptr_offset;
+	unsigned int buffers_offset;
+	unsigned int agp_textures_offset;
+#else
+	unsigned long fb_offset;
+	unsigned long mmio_offset;
+	unsigned long ring_offset;
+	unsigned long ring_rptr_offset;
+	unsigned long buffers_offset;
+	unsigned long agp_textures_offset;
+#endif
 } drm_r128_init_t;
 
-typedef struct drm_r128_packet {
-	unsigned long *buffer;
-	int            count;
-	int            flags;
-} drm_r128_packet_t;
-
-typedef enum drm_r128_prim {
-	_DRM_R128_PRIM_NONE		= 0x0001,
-	_DRM_R128_PRIM_POINT		= 0x0002,
-	_DRM_R128_PRIM_LINE		= 0x0004,
-	_DRM_R128_PRIM_POLY_LINE	= 0x0008,
-	_DRM_R128_PRIM_TRI_LIST		= 0x0010,
-	_DRM_R128_PRIM_TRI_FAN		= 0x0020,
-	_DRM_R128_PRIM_TRI_STRIP	= 0x0040,
-	_DRM_R128_PRIM_TRI_TYPE2	= 0x0080
-} drm_r128_prim_t;
+typedef struct drm_r128_cce_stop {
+	int flush;
+	int idle;
+} drm_r128_cce_stop_t;
+
+typedef struct drm_r128_clear {
+	unsigned int flags;
+#if CONFIG_XFREE86_VERSION < XFREE86_VERSION(4,1,0,0)
+	int x, y, w, h;
+#endif
+	unsigned int clear_color;
+	unsigned int clear_depth;
+#if CONFIG_XFREE86_VERSION >= XFREE86_VERSION(4,1,0,0)
+	unsigned int color_mask;
+	unsigned int depth_mask;
+#endif
+} drm_r128_clear_t;
 
 typedef struct drm_r128_vertex {
-				/* Indices here refer to the offset into
-				   buflist in drm_buf_get_t.  */
-	int		send_count;	  /* Number of buffers to send	    */
-	int		*send_indices;	  /* List of handles to buffers	    */
-	int		*send_sizes;	  /* Lengths of data to send	    */
-	drm_r128_prim_t	prim;		  /* Primitive type		    */
-	int		request_count;	  /* Number of buffers requested    */
-	int		*request_indices; /* Buffer information		    */
-	int		*request_sizes;
-	int		granted_count;	  /* Number of buffers granted	    */
+	int prim;
+	int idx;			/* Index of vertex buffer */
+	int count;			/* Number of vertices in buffer */
+	int discard;			/* Client finished with buffer? */
 } drm_r128_vertex_t;
 
-/* WARNING: If you change any of these defines, make sure to change the
- * defines in the Xserver file (r128_sarea.h)
- */
-#define R128_LOCAL_TEX_HEAP       0
-#define R128_AGP_TEX_HEAP         1
-#define R128_NR_TEX_HEAPS         2
-#define R128_NR_TEX_REGIONS      64
-#define R128_LOG_TEX_GRANULARITY 16
-
-typedef struct drm_tex_region {
-	unsigned char next, prev;       
-	unsigned char in_use;   
-	int age;                        
-} drm_tex_region_t;
+typedef struct drm_r128_indices {
+	int prim;
+	int idx;
+	int start;
+	int end;
+	int discard;			/* Client finished with buffer? */
+} drm_r128_indices_t;
 
-typedef struct drm_r128_sarea {
-	drm_tex_region_t tex_list[R128_NR_TEX_HEAPS][R128_NR_TEX_REGIONS+1];
-	int              tex_age[R128_NR_TEX_HEAPS];
-	int              ctx_owner;
-	int              ring_write;
-} drm_r128_sarea_t;
+typedef struct drm_r128_blit {
+	int idx;
+	int pitch;
+	int offset;
+	int format;
+	unsigned short x, y;
+	unsigned short width, height;
+} drm_r128_blit_t;
+
+typedef struct drm_r128_depth {
+	enum {
+		R128_WRITE_SPAN		= 0x01,
+		R128_WRITE_PIXELS	= 0x02,
+		R128_READ_SPAN		= 0x03,
+		R128_READ_PIXELS	= 0x04
+	} func;
+	int n;
+	int *x;
+	int *y;
+	unsigned int *buffer;
+	unsigned char *mask;
+} drm_r128_depth_t;
+
+typedef struct drm_r128_stipple {
+	unsigned int *mask;
+} drm_r128_stipple_t;
+
+typedef struct drm_r128_indirect {
+	int idx;
+	int start;
+	int end;
+	int discard;
+} drm_r128_indirect_t;
+
+typedef struct drm_r128_fullscreen {
+	enum {
+		R128_INIT_FULLSCREEN    = 0x01,
+		R128_CLEANUP_FULLSCREEN = 0x02
+	} func;
+} drm_r128_fullscreen_t;
 
 #endif
diff --git a/bsd/radeon/Makefile b/bsd/radeon/Makefile
new file mode 100644
index 00000000..b1d77bf4
--- /dev/null
+++ b/bsd/radeon/Makefile
@@ -0,0 +1,25 @@
+# $FreeBSD$
+
+KMOD	= radeon
+NOMAN=	YES
+SRCS    = radeon_cp.c radeon_drv.c radeon_state.c
+SRCS   += device_if.h bus_if.h pci_if.h opt_drm_linux.h
+CFLAGS += ${DEBUG_FLAGS} -I. -I..
+
+@:
+	ln -sf /sys @
+
+machine:
+	ln -sf /sys/i386/include machine
+
+.if ${MACHINE_ARCH} == "i386"
+# This line enables linux ioctl handling
+# If you want support for this uncomment this line
+#RADEON_OPTS=     "\#define DRM_LINUX" 1
+.endif
+
+opt_drm_linux.h:
+	touch opt_drm_linux.h
+	echo $(RADEON_OPTS) >> opt_drm_linux.h
+
+.include <bsd.kmod.mk>
diff --git a/bsd/tdfx/Makefile b/bsd/tdfx/Makefile
index 4362a5ba..d177ff60 100644
--- a/bsd/tdfx/Makefile
+++ b/bsd/tdfx/Makefile
@@ -1,10 +1,10 @@
 # $FreeBSD$
 
-KMOD	= tdfx
-SRCS    = tdfx_drv.c tdfx_context.c
-SRCS   += device_if.h bus_if.h pci_if.h
-CFLAGS += ${DEBUG_FLAGS} -I. -I..
-KMODDEPS = drm
+KMOD=	tdfx
+NOMAN=	YES
+SRCS=	tdfx_drv.c
+SRCS+=	device_if.h bus_if.h pci_if.h opt_drm_linux.h
+CFLAGS+=	${DEBUG_FLAGS} -I. -I.. 
 
 @:
 	ln -sf /sys @
@@ -12,4 +12,14 @@ KMODDEPS = drm
 machine:
 	ln -sf /sys/i386/include machine
 
+.if ${MACHINE_ARCH} == "i386"
+# This line enables linux ioctl handling
+# If you want support for this uncomment this line
+#TDFX_OPTS=     "\#define DRM_LINUX" 1
+.endif
+
+opt_drm_linux.h:
+	touch opt_drm_linux.h
+	echo $(TDFX_OPTS) >> opt_drm_linux.h
+
 .include <bsd.kmod.mk>
diff --git a/bsd/tdfx/tdfx_drv.c b/bsd/tdfx/tdfx_drv.c
index 202df7c3..29d19558 100644
--- a/bsd/tdfx/tdfx_drv.c
+++ b/bsd/tdfx/tdfx_drv.c
@@ -1,4 +1,4 @@
-/* tdfx.c -- tdfx driver -*- c -*-
+/* tdfx_drv.c -- tdfx driver -*- linux-c -*-
  * Created: Thu Oct  7 10:38:32 1999 by faith@precisioninsight.com
  *
  * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
@@ -11,11 +11,11 @@
  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  * and/or sell copies of the Software, and to permit persons to whom the
  * Software is furnished to do so, subject to the following conditions:
- * 
+ *
  * The above copyright notice and this permission notice (including the next
  * paragraph) shall be included in all copies or substantial portions of the
  * Software.
- * 
+ *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
@@ -23,719 +23,78 @@
  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  * DEALINGS IN THE SOFTWARE.
- * 
+ *
  * Authors:
  *    Rickard E. (Rik) Faith <faith@valinux.com>
  *    Daryll Strauss <daryll@valinux.com>
- *
+ *    Gareth Hughes <gareth@valinux.com>
  */
 
-#include "drmP.h"
-#include "tdfx_drv.h"
 
+#include <sys/types.h>
+#include <sys/bus.h>
 #include <pci/pcivar.h>
+#include <opt_drm_linux.h>
 
-MODULE_DEPEND(tdfx, drm, 1, 1, 1);
-#ifdef DRM_AGP
-MODULE_DEPEND(tdfx, agp, 1, 1, 1);
-#endif
-
-#define TDFX_NAME	 "tdfx"
-#define TDFX_DESC	 "tdfx"
-#define TDFX_DATE	 "20000928"
-#define TDFX_MAJOR	 1
-#define TDFX_MINOR	 0
-#define TDFX_PATCHLEVEL  0
-
-static int tdfx_init(device_t nbdev);
-static void tdfx_cleanup(device_t nbdev);
-
-drm_ctx_t	              tdfx_res_ctx;
-
-static int tdfx_probe(device_t dev)
-{
-	const char *s = 0;
-
-	switch (pci_get_devid(dev)) {
-	case 0x0003121a:
-		s = "3Dfx Voodoo Banshee graphics accelerator";
-		break;
-		
-	case 0x0005121a:
-		s = "3Dfx Voodoo 3 graphics accelerator";
-		break;
-	case 0x0009121a:
-		s = "3Dfx Voodoo 5 graphics accelerator";
-		break;
-	}
-
-	if (s) {
-		device_set_desc(dev, s);
-		return 0;
-	}
-
-	return ENXIO;
-}
-
-static int tdfx_attach(device_t dev)
-{
-	tdfx_init(dev);
-	return 0;
-}
-
-static int tdfx_detach(device_t dev)
-{
-	tdfx_cleanup(dev);
-	return 0;
-}
-
-static device_method_t tdfx_methods[] = {
-	/* Device interface */
-	DEVMETHOD(device_probe,		tdfx_probe),
-	DEVMETHOD(device_attach,	tdfx_attach),
-	DEVMETHOD(device_detach,	tdfx_detach),
-
-	{ 0, 0 }
-};
-
-static driver_t tdfx_driver = {
-	"drm",
-	tdfx_methods,
-	sizeof(drm_device_t),
-};
-
-static devclass_t tdfx_devclass;
-#define TDFX_SOFTC(unit) \
-	((drm_device_t *) devclass_get_softc(tdfx_devclass, unit))
-
-DRIVER_MODULE(if_tdfx, pci, tdfx_driver, tdfx_devclass, 0, 0);
-
-#define CDEV_MAJOR	145
-				/* tdfx_drv.c */
-static d_open_t tdfx_open;
-static d_close_t tdfx_close;
-static d_ioctl_t tdfx_version;
-static d_ioctl_t tdfx_ioctl;
-static d_ioctl_t tdfx_lock;
-static d_ioctl_t tdfx_unlock;
-
-static struct cdevsw tdfx_cdevsw = {
-	/* open */	tdfx_open,
-	/* close */	tdfx_close,
-	/* read */	drm_read,
-	/* write */	drm_write,
-	/* ioctl */	tdfx_ioctl,
-	/* poll */	drm_poll,
-	/* mmap */	drm_mmap,
-	/* strategy */	nostrategy,
-	/* name */	"tdfx",
-	/* maj */	CDEV_MAJOR,
-	/* dump */	nodump,
-	/* psize */	nopsize,
-	/* flags */	D_TTY | D_TRACKCLOSE,
-	/* bmaj */	-1
-};
-
-static drm_ioctl_desc_t	      tdfx_ioctls[] = {
-	[DRM_IOCTL_NR(DRM_IOCTL_VERSION)]    = { tdfx_version,	  0, 0 },
-	[DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)] = { drm_getunique,	  0, 0 },
-	[DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)]  = { drm_getmagic,	  0, 0 },
-	[DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)]  = { drm_irq_busid,	  0, 1 },
-
-	[DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)] = { drm_setunique,	  1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_BLOCK)]	     = { drm_block,	  1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)]    = { drm_unblock,	  1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = { drm_authmagic,	  1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)]    = { drm_addmap,	  1, 1 },
-	
-	[DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)]    = { tdfx_addctx,	  1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)]     = { tdfx_rmctx,	  1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)]    = { tdfx_modctx,	  1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)]    = { tdfx_getctx,	  1, 0 },
-	[DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = { tdfx_switchctx,  1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)]    = { tdfx_newctx,	  1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)]    = { tdfx_resctx,	  1, 0 },
-	[DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)]   = { drm_adddraw,	  1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)]    = { drm_rmdraw,	  1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_LOCK)]	     = { tdfx_lock,	  1, 0 },
-	[DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)]     = { tdfx_unlock,	  1, 0 },
-	[DRM_IOCTL_NR(DRM_IOCTL_FINISH)]     = { drm_finish,	  1, 0 },
-#ifdef DRM_AGP
-	[DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)]   = {drm_agp_acquire, 1, 1},
-	[DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)]   = {drm_agp_release, 1, 1},
-	[DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)]    = {drm_agp_enable,  1, 1},
-	[DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)]      = {drm_agp_info,    1, 1},
-	[DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)]     = {drm_agp_alloc,   1, 1},
-	[DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)]      = {drm_agp_free,    1, 1},
-	[DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)]      = {drm_agp_unbind,  1, 1},
-	[DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)]    = {drm_agp_bind,    1, 1},
-#endif
-};
-#define TDFX_IOCTL_COUNT DRM_ARRAY_SIZE(tdfx_ioctls)
-
-static int
-tdfx_setup(drm_device_t *dev)
-{
-	int i;
-	
-	device_busy(dev->device);
-
-	atomic_set(&dev->ioctl_count, 0);
-	atomic_set(&dev->vma_count, 0);
-	dev->buf_use	  = 0;
-	atomic_set(&dev->buf_alloc, 0);
-
-	atomic_set(&dev->total_open, 0);
-	atomic_set(&dev->total_close, 0);
-	atomic_set(&dev->total_ioctl, 0);
-	atomic_set(&dev->total_irq, 0);
-	atomic_set(&dev->total_ctx, 0);
-	atomic_set(&dev->total_locks, 0);
-	atomic_set(&dev->total_unlocks, 0);
-	atomic_set(&dev->total_contends, 0);
-	atomic_set(&dev->total_sleeps, 0);
-
-	for (i = 0; i < DRM_HASH_SIZE; i++) {
-		dev->magiclist[i].head = NULL;
-		dev->magiclist[i].tail = NULL;
-	}
-	dev->maplist	    = NULL;
-	dev->map_count	    = 0;
-	dev->vmalist	    = NULL;
-	dev->lock.hw_lock   = NULL;
-	dev->lock.lock_queue = 0;
-	dev->queue_count    = 0;
-	dev->queue_reserved = 0;
-	dev->queue_slots    = 0;
-	dev->queuelist	    = NULL;
-	dev->irq	    = 0;
-	dev->context_flag   = 0;
-	dev->interrupt_flag = 0;
-	dev->dma            = 0;
-	dev->dma_flag	    = 0;
-	dev->last_context   = 0;
-	dev->last_switch    = 0;
-	dev->last_checked   = 0;
-	callout_init(&dev->timer);
-	dev->context_wait   = 0;
-
-	timespecclear(&dev->ctx_start);
-	timespecclear(&dev->lck_start);
-	
-	dev->buf_rp	  = dev->buf;
-	dev->buf_wp	  = dev->buf;
-	dev->buf_end	  = dev->buf + DRM_BSZ;
-	bzero(&dev->buf_sel, sizeof dev->buf_sel);
-	dev->buf_sigio	  = NULL;
-	dev->buf_readers  = 0;
-	dev->buf_writers  = 0;
-	dev->buf_selecting = 0;
-
-	tdfx_res_ctx.handle=-1;
-			
-	DRM_DEBUG("\n");
-			
-	/* The kernel's context could be created here, but is now created
-	   in drm_dma_enqueue.	This is more resource-efficient for
-	   hardware that does not do DMA, but may mean that
-	   drm_select_queue fails between the time the interrupt is
-	   initialized and the time the queues are initialized. */
-			
-	return 0;
-}
-
-
-static int
-tdfx_takedown(drm_device_t *dev)
-{
-	int		  i;
-	drm_magic_entry_t *pt, *next;
-	drm_map_t	  *map;
-	drm_vma_entry_t	  *vma, *vma_next;
-
-	DRM_DEBUG("\n");
-
-	lockmgr(&dev->dev_lock, LK_EXCLUSIVE, 0, curproc);
-	callout_stop(&dev->timer);
-	
-	if (dev->devname) {
-		drm_free(dev->devname, strlen(dev->devname)+1, DRM_MEM_DRIVER);
-		dev->devname = NULL;
-	}
-	
-	if (dev->unique) {
-		drm_free(dev->unique, strlen(dev->unique)+1, DRM_MEM_DRIVER);
-		dev->unique = NULL;
-		dev->unique_len = 0;
-	}
-				/* Clear pid list */
-	for (i = 0; i < DRM_HASH_SIZE; i++) {
-		for (pt = dev->magiclist[i].head; pt; pt = next) {
-			next = pt->next;
-			drm_free(pt, sizeof(*pt), DRM_MEM_MAGIC);
-		}
-		dev->magiclist[i].head = dev->magiclist[i].tail = NULL;
-	}
-#ifdef DRM_AGP
-				/* Clear AGP information */
-	if (dev->agp) {
-		drm_agp_mem_t *temp;
-		drm_agp_mem_t *temp_next;
-	   
-		temp = dev->agp->memory;
-		while(temp != NULL) {
-			temp_next = temp->next;
-			drm_free_agp(temp->handle, temp->pages);
-			drm_free(temp, sizeof(*temp), DRM_MEM_AGPLISTS);
-			temp = temp_next;
-		}
-
-		if (dev->agp->acquired)
-			agp_release(dev->agp->agpdev);
-		drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS);
-		dev->agp = NULL;
-	}
-#endif
-	
-				/* Clear vma list (only built for debugging) */
-	if (dev->vmalist) {
-		for (vma = dev->vmalist; vma; vma = vma_next) {
-			vma_next = vma->next;
-			drm_free(vma, sizeof(*vma), DRM_MEM_VMAS);
-		}
-		dev->vmalist = NULL;
-	}
-	
-				/* Clear map area and mtrr information */
-	if (dev->maplist) {
-		for (i = 0; i < dev->map_count; i++) {
-			map = dev->maplist[i];
-			switch (map->type) {
-			case _DRM_REGISTERS:
-			case _DRM_FRAME_BUFFER:
-#ifdef CONFIG_MTRR
-				if (map->mtrr >= 0) {
-					int retcode;
-					retcode = mtrr_del(map->mtrr,
-							   map->offset,
-							   map->size);
-					DRM_DEBUG("mtrr_del = %d\n", retcode);
-				}
-#endif
-				drm_ioremapfree(map->handle, map->size);
-				break;
-			case _DRM_SHM:
-				drm_free_pages((unsigned long)map->handle,
-					       drm_order(map->size)
-					       - PAGE_SHIFT,
-					       DRM_MEM_SAREA);
-				break;
-			case _DRM_AGP:
-				break; /* XXX */
-			}
-			drm_free(map, sizeof(*map), DRM_MEM_MAPS);
-		}
-		drm_free(dev->maplist,
-			 dev->map_count * sizeof(*dev->maplist),
-			 DRM_MEM_MAPS);
-		dev->maplist   = NULL;
-		dev->map_count = 0;
-	}
-	
-	if (dev->lock.hw_lock) {
-		dev->lock.hw_lock    = NULL; /* SHM removed */
-		dev->lock.pid	     = 0;
-		wakeup(&dev->lock.lock_queue);
-	}
-	lockmgr(&dev->dev_lock, LK_RELEASE, 0, curproc);
-
-	return 0;
-}
-
-/* tdfx_init is called via tdfx_attach at module load time, */
-
-static int
-tdfx_init(device_t nbdev)
-{
-	drm_device_t *dev = device_get_softc(nbdev);
-	int          retcode;
-
-	DRM_DEBUG("\n");
-
-	memset((void *)dev, 0, sizeof(*dev));
-	simple_lock_init(&dev->count_lock);
-	lockinit(&dev->dev_lock, PZERO, "drmlk", 0, 0);
-	
-#if 0
-	drm_parse_options(tdfx);
-#endif
-
-	dev->device = nbdev;
-	dev->devnode = make_dev(&tdfx_cdevsw,
-				device_get_unit(nbdev),
-				DRM_DEV_UID,
-				DRM_DEV_GID,
-				DRM_DEV_MODE,
-				TDFX_NAME);
-	dev->name   = TDFX_NAME;
-
-	drm_mem_init();
-	drm_sysctl_init(dev);
-	TAILQ_INIT(&dev->files);
-
-#ifdef DRM_AGP
-	dev->agp    = drm_agp_init();
-#endif
-	if((retcode = drm_ctxbitmap_init(dev))) {
-		DRM_ERROR("Cannot allocate memory for context bitmap.\n");
-		drm_sysctl_cleanup(dev);
-		tdfx_takedown(dev);
-		return retcode;
-	}
-
-	DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n",
-		 TDFX_NAME,
-		 TDFX_MAJOR,
-		 TDFX_MINOR,
-		 TDFX_PATCHLEVEL,
-		 TDFX_DATE,
-		 device_get_unit(nbdev));
-	
-	return 0;
-}
-
-/* tdfx_cleanup is called via tdfx_detach at module unload time. */
-
-static void
-tdfx_cleanup(device_t nbdev)
-{
-	drm_device_t *dev = device_get_softc(nbdev);
-
-	DRM_DEBUG("\n");
-	
-	drm_sysctl_cleanup(dev);
-	destroy_dev(dev->devnode);
-
-	DRM_INFO("Module unloaded\n");
-
-	drm_ctxbitmap_cleanup(dev);
-	tdfx_takedown(dev);
-}
-
-static int
-tdfx_version(dev_t kdev, u_long cmd, caddr_t data, int flags, struct proc *p)
-{
-	drm_version_t version;
-	int	      len;
-
-	version = *(drm_version_t *) data;
-
-#define DRM_COPY(name,value)				\
-	len = strlen(value);				\
-	if (len > name##_len) len = name##_len;		\
-	name##_len = strlen(value);			\
-	if (len && name) {				\
-		int error = copyout(value, name, len);	\
-		if (error) return error;		\
-	}
-
-	version.version_major	   = TDFX_MAJOR;
-	version.version_minor	   = TDFX_MINOR;
-	version.version_patchlevel = TDFX_PATCHLEVEL;
-
-	DRM_COPY(version.name, TDFX_NAME);
-	DRM_COPY(version.date, TDFX_DATE);
-	DRM_COPY(version.desc, TDFX_DESC);
-
-	*(drm_version_t *) data = version;
-	return 0;
-}
-
-static int
-tdfx_open(dev_t kdev, int flags, int fmt, struct proc *p)
-{
-	drm_device_t  *dev    = TDFX_SOFTC(minor(kdev));
-	int	      retcode = 0;
-	
-	DRM_DEBUG("open_count = %d\n", dev->open_count);
-
-	device_busy(dev->device);
-	if (!(retcode = drm_open_helper(kdev, flags, fmt, p, dev))) {
-		atomic_inc(&dev->total_open);
-		simple_lock(&dev->count_lock);
-		if (!dev->open_count++) {
-			simple_unlock(&dev->count_lock);
-			retcode = tdfx_setup(dev);
-		}
-		simple_unlock(&dev->count_lock);
-	}
-	device_unbusy(dev->device);
-
-	return retcode;
-}
-
-static int
-tdfx_close(dev_t kdev, int flags, int fmt, struct proc *p)
-{
-	drm_device_t  *dev    = kdev->si_drv1;
-	int	      retcode = 0;
-
-	DRM_DEBUG("open_count = %d\n", dev->open_count);
-	if (!(retcode = drm_close(kdev, flags, fmt, p))) {
-		atomic_inc(&dev->total_close);
-		simple_lock(&dev->count_lock);
-		if (!--dev->open_count) {
-			if (atomic_read(&dev->ioctl_count) || dev->blocked) {
-				DRM_ERROR("Device busy: %d %d\n",
-					  atomic_read(&dev->ioctl_count),
-					  dev->blocked);
-				simple_unlock(&dev->count_lock);
-				return EBUSY;
-			}
-			simple_unlock(&dev->count_lock);
-			device_unbusy(dev->device);
-			return tdfx_takedown(dev);
-		}
-		simple_unlock(&dev->count_lock);
-	}
-
-	return retcode;
-}
-
-/* tdfx_ioctl is called whenever a process performs an ioctl on /dev/drm. */
-
-static int
-tdfx_ioctl(dev_t kdev, u_long cmd, caddr_t data, int flags, struct proc *p)
-{
-	int		 nr	 = DRM_IOCTL_NR(cmd);
-	drm_device_t	 *dev	 = kdev->si_drv1;
-	drm_file_t       *priv;
-	int		 retcode = 0;
-	drm_ioctl_desc_t *ioctl;
-	d_ioctl_t	 *func;
-
-	DRM_DEBUG("dev=%p\n", dev);
-	priv = drm_find_file_by_proc(dev, p);
-	if (!priv) {
-		DRM_DEBUG("can't find authenticator\n");
-		return EINVAL;
-	}
-
-	atomic_inc(&dev->ioctl_count);
-	atomic_inc(&dev->total_ioctl);
-	++priv->ioctl_count;
-	
-	DRM_DEBUG("pid = %d, cmd = 0x%02lx, nr = 0x%02x, auth = %d\n",
-		  p->p_pid, cmd, nr, priv->authenticated);
-
-	switch (cmd) {
-	case FIONBIO:
-		atomic_dec(&dev->ioctl_count);
-		return 0;
-
-	case FIOASYNC:
-		atomic_dec(&dev->ioctl_count);
-		dev->flags |= FASYNC;
-		return 0;
-
-	case FIOSETOWN:
-		atomic_dec(&dev->ioctl_count);
-		return fsetown(*(int *)data, &dev->buf_sigio);
-
-	case FIOGETOWN:
-		atomic_dec(&dev->ioctl_count);
-		*(int *) data = fgetown(dev->buf_sigio);
-		return 0;
-	}
-
-	if (nr >= TDFX_IOCTL_COUNT) {
-		retcode = EINVAL;
-	} else {
-		ioctl	  = &tdfx_ioctls[nr];
-		func	  = ioctl->func;
-
-		if (!func) {
-			DRM_DEBUG("no function\n");
-			retcode = EINVAL;
-		} else if ((ioctl->root_only && suser(p))
-			    || (ioctl->auth_needed && !priv->authenticated)) {
-			retcode = EACCES;
-		} else {
-			retcode = (func)(kdev, cmd, data, flags, p);
-		}
-	}
-	
-	atomic_dec(&dev->ioctl_count);
-	return retcode;
-}
-
-static int
-tdfx_lock(dev_t kdev, u_long cmd, caddr_t data, int flags, struct proc *p)
-{
-        drm_device_t      *dev    = kdev->si_drv1;
-        int               ret   = 0;
-        drm_lock_t        lock;
-#if DRM_DMA_HISTOGRAM
-
-        getnanotime(&dev->lck_start);
-#endif
+#include "tdfx.h"
+#include "drmP.h"
 
-	lock = *(drm_lock_t *) data;
+#define DRIVER_AUTHOR		"VA Linux Systems Inc."
 
-        if (lock.context == DRM_KERNEL_CONTEXT) {
-                DRM_ERROR("Process %d using kernel context %d\n",
-                          p->p_pid, lock.context);
-                return EINVAL;
-        }
+#define DRIVER_NAME		"tdfx"
+#define DRIVER_DESC		"3dfx Banshee/Voodoo3+"
+#define DRIVER_DATE		"20010216"
 
-        DRM_DEBUG("%d (pid %d) requests lock (0x%08x), flags = 0x%08x\n",
-                  lock.context, p->p_pid, dev->lock.hw_lock->lock,
-                  lock.flags);
+#define DRIVER_MAJOR		1
+#define DRIVER_MINOR		0
+#define DRIVER_PATCHLEVEL	0
 
-#if 0
-				/* dev->queue_count == 0 right now for
-                                   tdfx.  FIXME? */
-        if (lock.context < 0 || lock.context >= dev->queue_count)
-                return EINVAL;
+#ifndef PCI_VENDOR_ID_3DFX
+#define PCI_VENDOR_ID_3DFX 0x121A
 #endif
-        
-        if (!ret) {
-#if 0
-                if (_DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)
-                    != lock.context) {
-                        long j = ticks - dev->lock.lock_time;
-
-                        if (lock.context == tdfx_res_ctx.handle &&
-				j >= 0 && j < DRM_LOCK_SLICE) {
-                                /* Can't take lock if we just had it and
-                                   there is contention. */
-                                DRM_DEBUG("%d (pid %d) delayed j=%d dev=%d ticks=%d\n",
-					lock.context, p->p_pid, j, 
-					dev->lock.lock_time, ticks);
-				ret = tsleep(&never, PZERO|PCATCH, "drmlk1",
-					       DRM_LOCK_SLICE - j);
-				if (ret)
-					return ret;
-				DRM_DEBUG("ticks=%d\n", ticks);
-                        }
-                }
+#ifndef PCI_DEVICE_ID_3DFX_VOODOO5
+#define PCI_DEVICE_ID_3DFX_VOODOO5 0x0009
 #endif
-                for (;;) {
-                        if (!dev->lock.hw_lock) {
-                                /* Device has been unregistered */
-                                ret = EINTR;
-                                break;
-                        }
-                        if (drm_lock_take(&dev->lock.hw_lock->lock,
-                                          lock.context)) {
-                                dev->lock.pid       = p->p_pid;
-                                dev->lock.lock_time = ticks;
-                                atomic_inc(&dev->total_locks);
-                                break;  /* Got lock */
-                        }
-                        
-                                /* Contention */
-                        atomic_inc(&dev->total_sleeps);
-			ret = tsleep(&dev->lock.lock_queue,
-				       PZERO|PCATCH,
-				       "drmlk2",
-				       0);
-			if (ret)
-				break;
-                }
-        }
-
-#if 0
-	if (!ret && dev->last_context != lock.context &&
-		lock.context != tdfx_res_ctx.handle &&
-		dev->last_context != tdfx_res_ctx.handle) {
-		add_wait_queue(&dev->context_wait, &entry);
-	        current->state = TASK_INTERRUPTIBLE;
-                /* PRE: dev->last_context != lock.context */
-	        tdfx_context_switch(dev, dev->last_context, lock.context);
-		/* POST: we will wait for the context
-                   switch and will dispatch on a later call
-                   when dev->last_context == lock.context
-                   NOTE WE HOLD THE LOCK THROUGHOUT THIS
-                   TIME! */
-		current->policy |= SCHED_YIELD;
-	        schedule();
-	        current->state = TASK_RUNNING;
-	        remove_wait_queue(&dev->context_wait, &entry);
-	        if (signal_pending(current)) {
-	                ret = EINTR;
-	        } else if (dev->last_context != lock.context) {
-			DRM_ERROR("Context mismatch: %d %d\n",
-                        	dev->last_context, lock.context);
-	        }
-	}
+#ifndef PCI_DEVICE_ID_3DFX_VOODOO4
+#define PCI_DEVICE_ID_3DFX_VOODOO4 0x0007
 #endif
-
-        if (!ret) {
-                if (lock.flags & _DRM_LOCK_READY) {
-				/* Wait for space in DMA/FIFO */
-		}
-                if (lock.flags & _DRM_LOCK_QUIESCENT) {
-				/* Make hardware quiescent */
-#if 0
-                        tdfx_quiescent(dev);
+#ifndef PCI_DEVICE_ID_3DFX_VOODOO3_3000 /* Voodoo3 3000 */
+#define PCI_DEVICE_ID_3DFX_VOODOO3_3000 0x0005
 #endif
-		}
-        }
-
-#if 0
-	DRM_ERROR("pid = %5d, old counter = %5ld\n", 
-		p->p_pid, current->counter);
+#ifndef PCI_DEVICE_ID_3DFX_VOODOO3_2000 /* Voodoo3 3000 */
+#define PCI_DEVICE_ID_3DFX_VOODOO3_2000 0x0004
 #endif
-#if 0
-	while (current->counter > 25)
-		current->counter >>= 1; /* decrease time slice */
-	DRM_ERROR("pid = %5d, new counter = %5ld\n",
-		 p->p_pid, current->counter);
+#ifndef PCI_DEVICE_ID_3DFX_BANSHEE
+#define PCI_DEVICE_ID_3DFX_BANSHEE 0x0003
 #endif
-        DRM_DEBUG("%d %s\n", lock.context, ret ? "interrupted" : "has lock");
 
-#if DRM_DMA_HISTOGRAM
-	{
-	    struct timespec ts;
-	    getnanotime(&ts);
-	    timespecsub(&ts, &dev->lck_start);
-	    atomic_inc(&dev->histo.lhld[drm_histogram_slot(&ts)]);
-	}
-#endif
-        
-        return ret;
-}
+/* List acquired from http://www.yourvote.com/pci/pcihdr.h and xc/xc/programs/Xserver/hw/xfree86/common/xf86PciInfo.h
+ * Please report to anholt@teleport.com inaccuracies or if a chip you have works that is marked unsupported here.
+ */
+drm_chipinfo_t DRM(devicelist)[] = {
+	{0x121a, 0x0003, 1, "3dfx Voodoo Banshee"},
+	{0x121a, 0x0004, 1, "3dfx Voodoo3 2000"},
+	{0x121a, 0x0005, 1, "3dfx Voodoo3 3000"},
+	{0x121a, 0x0007, 1, "3dfx Voodoo4"},
+	{0x121a, 0x0009, 1, "3dfx Voodoo5"},
+	{0, 0, 0, NULL}
+};
 
 
-static int
-tdfx_unlock(dev_t kdev, u_long cmd, caddr_t data, int flags, struct proc *p)
-{
-	drm_device_t	  *dev	  = kdev->si_drv1;
-	drm_lock_t	  lock;
+#include "drm_auth.h"
+#include "drm_bufs.h"
+#include "drm_context.h"
+#include "drm_dma.h"
+#include "drm_drawable.h"
+#include "drm_drv.h"
 
-	lock = *(drm_lock_t *) data;
-	
-	if (lock.context == DRM_KERNEL_CONTEXT) {
-		DRM_ERROR("Process %d using kernel context %d\n",
-			  p->p_pid, lock.context);
-		return EINVAL;
-	}
 
-	DRM_DEBUG("%d frees lock (%d holds)\n",
-		  lock.context,
-		  _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));
-	atomic_inc(&dev->total_unlocks);
-	if (_DRM_LOCK_IS_CONT(dev->lock.hw_lock->lock))
-		atomic_inc(&dev->total_contends);
-	drm_lock_transfer(dev, &dev->lock.hw_lock->lock, DRM_KERNEL_CONTEXT);
-				/* FIXME: Try to send data to card here */
-	if (!dev->context_flag) {
-		if (drm_lock_free(dev, &dev->lock.hw_lock->lock,
-				  DRM_KERNEL_CONTEXT)) {
-			DRM_ERROR("\n");
-		}
-	}
+#include "drm_fops.h"
+#include "drm_init.h"
+#include "drm_ioctl.h"
+#include "drm_lock.h"
+#include "drm_memory.h"
+#include "drm_vm.h"
+#include "drm_sysctl.h"
 
-	return 0;
-}
+DRIVER_MODULE(tdfx, pci, tdfx_driver, tdfx_devclass, 0, 0);
diff --git a/libdrm/xf86drm.c b/libdrm/xf86drm.c
index 4916e032..1d26b6e6 100644
--- a/libdrm/xf86drm.c
+++ b/libdrm/xf86drm.c
@@ -27,7 +27,7 @@
  * Authors: Rickard E. (Rik) Faith <faith@valinux.com>
  *	    Kevin E. Martin <martin@valinux.com>
  *
- * $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/xf86drm.c,v 1.24 2001/08/18 02:51:13 dawes Exp $
+ * $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/xf86drm.c,v 1.25 2001/08/27 17:40:59 dawes Exp $
  *
  */
 
@@ -62,7 +62,7 @@
 extern int xf86InstallSIGIOHandler(int fd, void (*f)(int, void *), void *);
 extern int xf86RemoveSIGIOHandler(int fd);
 # else
-#  include <Xlibint.h>
+#  include <X11/Xlibint.h>
 #  define _DRM_MALLOC Xmalloc
 #  define _DRM_FREE   Xfree
 # endif
diff --git a/linux-core/Makefile.kernel b/linux-core/Makefile.kernel
index e2630989..1060d4cb 100644
--- a/linux-core/Makefile.kernel
+++ b/linux-core/Makefile.kernel
@@ -3,13 +3,14 @@
 # Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
 
 O_TARGET	:= drm.o
-list-multi	:= gamma.o tdfx.o r128.o mga.o i810.o ffb.o radeon.o
+list-multi	:= gamma.o tdfx.o r128.o mga.o i810.o i830.o ffb.o radeon.o
 
 gamma-objs  := gamma_drv.o gamma_dma.o
 tdfx-objs   := tdfx_drv.o
 r128-objs   := r128_drv.o r128_cce.o r128_state.o
 mga-objs    := mga_drv.o mga_dma.o mga_state.o mga_warp.o
 i810-objs   := i810_drv.o i810_dma.o
+i830-objs   := i830_drv.o i830_dma.o
 radeon-objs := radeon_drv.o radeon_cp.o radeon_state.o
 ffb-objs    := ffb_drv.o ffb_context.o
 
@@ -19,6 +20,7 @@ obj-$(CONFIG_DRM_R128)	+= r128.o
 obj-$(CONFIG_DRM_RADEON)+= radeon.o
 obj-$(CONFIG_DRM_MGA)	+= mga.o
 obj-$(CONFIG_DRM_I810)	+= i810.o
+obj-$(CONFIG_DRM_I830)	+= i830.o
 obj-$(CONFIG_DRM_FFB)   += ffb.o
 
 include $(TOPDIR)/Rules.make
@@ -35,6 +37,9 @@ mga.o: $(mga-objs) $(lib)
 i810.o: $(i810-objs) $(lib)
 	$(LD) -r -o $@ $(i810-objs) $(lib)
 
+i830.o: $(i830-objs) $(lib)
+	$(LD) -r -o $@ $(i830-objs) $(lib)
+
 r128.o: $(r128-objs) $(lib)
 	$(LD) -r -o $@ $(r128-objs) $(lib)
 
diff --git a/linux-core/ati_pcigart.c b/linux-core/ati_pcigart.c
index a794b3e0..5851b72f 100644
--- a/linux-core/ati_pcigart.c
+++ b/linux-core/ati_pcigart.c
@@ -36,7 +36,7 @@
 #elif PAGE_SIZE == 4096
 # define ATI_PCIGART_TABLE_ORDER 	3
 # define ATI_PCIGART_TABLE_PAGES 	(1 << 3)
-#elif
+#else
 # error - PAGE_SIZE not 8K or 4K
 #endif
 
@@ -57,7 +57,7 @@ static unsigned long DRM(ati_alloc_pcigart_table)( void )
 
 	page = virt_to_page( address );
 
-	for ( i = 0 ; i <= ATI_PCIGART_TABLE_PAGES ; i++, page++ ) {
+	for ( i = 0 ; i < ATI_PCIGART_TABLE_PAGES ; i++, page++ ) {
 		atomic_inc( &page->count );
 		SetPageReserved( page );
 	}
@@ -74,7 +74,7 @@ static void DRM(ati_free_pcigart_table)( unsigned long address )
 
 	page = virt_to_page( address );
 
-	for ( i = 0 ; i <= ATI_PCIGART_TABLE_PAGES ; i++, page++ ) {
+	for ( i = 0 ; i < ATI_PCIGART_TABLE_PAGES ; i++, page++ ) {
 		atomic_dec( &page->count );
 		ClearPageReserved( page );
 	}
@@ -103,7 +103,6 @@ int DRM(ati_pcigart_init)( drm_device_t *dev,
 		goto done;
 	}
 
-#if defined(__alpha__) && (LINUX_VERSION_CODE >= 0x020400)
 	if ( !dev->pdev ) {
 		DRM_ERROR( "PCI device unknown!\n" );
 		goto done;
@@ -118,9 +117,6 @@ int DRM(ati_pcigart_init)( drm_device_t *dev,
 		address = 0;
 		goto done;
 	}
-#else
-	bus_address = virt_to_bus( (void *)address );
-#endif
 
 	pci_gart = (u32 *)address;
 
@@ -130,7 +126,6 @@ int DRM(ati_pcigart_init)( drm_device_t *dev,
 	memset( pci_gart, 0, ATI_MAX_PCIGART_PAGES * sizeof(u32) );
 
 	for ( i = 0 ; i < pages ; i++ ) {
-#if defined(__alpha__) && (LINUX_VERSION_CODE >= 0x020400)
 		/* we need to support large memory configurations */
 		entry->busaddr[i] = pci_map_single(dev->pdev,
 					   page_address( entry->pagelist[i] ),
@@ -144,9 +139,7 @@ int DRM(ati_pcigart_init)( drm_device_t *dev,
 			goto done;
 		}
 		page_base = (u32) entry->busaddr[i];
-#else
-		page_base = page_to_bus( entry->pagelist[i] );
-#endif
+
 		for (j = 0; j < (PAGE_SIZE / ATI_PCIGART_PAGE_SIZE); j++) {
 			*pci_gart++ = cpu_to_le32( page_base );
 			page_base += ATI_PCIGART_PAGE_SIZE;
@@ -155,7 +148,7 @@ int DRM(ati_pcigart_init)( drm_device_t *dev,
 
 	ret = 1;
 
-#if __i386__
+#if defined(__i386__) || defined(__x86_64__)
 	asm volatile ( "wbinvd" ::: "memory" );
 #else
 	mb();
@@ -171,7 +164,6 @@ int DRM(ati_pcigart_cleanup)( drm_device_t *dev,
 			      unsigned long addr,
 			      dma_addr_t bus_addr)
 {
-#if defined(__alpha__) && (LINUX_VERSION_CODE >= 0x020400)
 	drm_sg_mem_t *entry = dev->sg;
 	unsigned long pages;
 	int i;
@@ -197,8 +189,6 @@ int DRM(ati_pcigart_cleanup)( drm_device_t *dev,
 		}
 	}
 
-#endif
-
 	if ( addr ) {
 		DRM(ati_free_pcigart_table)( addr );
 	}
diff --git a/linux-core/drmP.h b/linux-core/drmP.h
index aac5c58a..4786ba9e 100644
--- a/linux-core/drmP.h
+++ b/linux-core/drmP.h
@@ -66,13 +66,8 @@
 #include <linux/types.h>
 #include <linux/agp_backend.h>
 #endif
-#if LINUX_VERSION_CODE >= 0x020100 /* KERNEL_VERSION(2,1,0) */
 #include <linux/tqueue.h>
 #include <linux/poll.h>
-#endif
-#if LINUX_VERSION_CODE < 0x020400
-#include "compat-pre24.h"
-#endif
 #include <asm/pgalloc.h>
 #include "drm.h"
 
@@ -154,180 +149,7 @@
 
 #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8)
 
-				/* Backward compatibility section */
-				/* _PAGE_WT changed to _PAGE_PWT in 2.2.6 */
-#ifndef _PAGE_PWT
-#define _PAGE_PWT _PAGE_WT
-#endif
-				/* Wait queue declarations changed in 2.3.1 */
-#ifndef DECLARE_WAITQUEUE
-#define DECLARE_WAITQUEUE(w,c) struct wait_queue w = { c, NULL }
-typedef struct wait_queue *wait_queue_head_t;
-#define init_waitqueue_head(q) *q = NULL;
-#endif
-
-				/* _PAGE_4M changed to _PAGE_PSE in 2.3.23 */
-#ifndef _PAGE_PSE
-#define _PAGE_PSE _PAGE_4M
-#endif
-
-				/* vm_offset changed to vm_pgoff in 2.3.25 */
-#if LINUX_VERSION_CODE < 0x020319
-#define VM_OFFSET(vma) ((vma)->vm_offset)
-#else
 #define VM_OFFSET(vma) ((vma)->vm_pgoff << PAGE_SHIFT)
-#endif
-
-				/* *_nopage return values defined in 2.3.26 */
-#ifndef NOPAGE_SIGBUS
-#define NOPAGE_SIGBUS 0
-#endif
-#ifndef NOPAGE_OOM
-#define NOPAGE_OOM 0
-#endif
-
-				/* module_init/module_exit added in 2.3.13 */
-#ifndef module_init
-#define module_init(x)  int init_module(void) { return x(); }
-#endif
-#ifndef module_exit
-#define module_exit(x)  void cleanup_module(void) { x(); }
-#endif
-
-				/* Generic cmpxchg added in 2.3.x */
-#ifndef __HAVE_ARCH_CMPXCHG
-				/* Include this here so that driver can be
-                                   used with older kernels. */
-#if defined(__alpha__)
-static __inline__ unsigned long
-__cmpxchg_u32(volatile int *m, int old, int new)
-{
-	unsigned long prev, cmp;
-
-	__asm__ __volatile__(
-	"1:	ldl_l %0,%5\n"
-	"	cmpeq %0,%3,%1\n"
-	"	beq %1,2f\n"
-	"	mov %4,%1\n"
-	"	stl_c %1,%2\n"
-	"	beq %1,3f\n"
-	"2:	mb\n"
-	".subsection 2\n"
-	"3:	br 1b\n"
-	".previous"
-	: "=&r"(prev), "=&r"(cmp), "=m"(*m)
-	: "r"((long) old), "r"(new), "m"(*m)
-	: "memory" );
-
-	return prev;
-}
-
-static __inline__ unsigned long
-__cmpxchg_u64(volatile long *m, unsigned long old, unsigned long new)
-{
-	unsigned long prev, cmp;
-
-	__asm__ __volatile__(
-	"1:	ldq_l %0,%5\n"
-	"	cmpeq %0,%3,%1\n"
-	"	beq %1,2f\n"
-	"	mov %4,%1\n"
-	"	stq_c %1,%2\n"
-	"	beq %1,3f\n"
-	"2:	mb\n"
-	".subsection 2\n"
-	"3:	br 1b\n"
-	".previous"
-	: "=&r"(prev), "=&r"(cmp), "=m"(*m)
-	: "r"((long) old), "r"(new), "m"(*m)
-	: "memory" );
-
-	return prev;
-}
-
-static __inline__ unsigned long
-__cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)
-{
-	switch (size) {
-		case 4:
-			return __cmpxchg_u32(ptr, old, new);
-		case 8:
-			return __cmpxchg_u64(ptr, old, new);
-	}
-	return old;
-}
-#define cmpxchg(ptr,o,n)						 \
-  ({									 \
-     __typeof__(*(ptr)) _o_ = (o);					 \
-     __typeof__(*(ptr)) _n_ = (n);					 \
-     (__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_,		 \
-				    (unsigned long)_n_, sizeof(*(ptr))); \
-  })
-
-#elif __i386__
-static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old,
-				      unsigned long new, int size)
-{
-	unsigned long prev;
-	switch (size) {
-	case 1:
-		__asm__ __volatile__(LOCK_PREFIX "cmpxchgb %b1,%2"
-				     : "=a"(prev)
-				     : "q"(new), "m"(*__xg(ptr)), "0"(old)
-				     : "memory");
-		return prev;
-	case 2:
-		__asm__ __volatile__(LOCK_PREFIX "cmpxchgw %w1,%2"
-				     : "=a"(prev)
-				     : "q"(new), "m"(*__xg(ptr)), "0"(old)
-				     : "memory");
-		return prev;
-	case 4:
-		__asm__ __volatile__(LOCK_PREFIX "cmpxchgl %1,%2"
-				     : "=a"(prev)
-				     : "q"(new), "m"(*__xg(ptr)), "0"(old)
-				     : "memory");
-		return prev;
-	}
-	return old;
-}
-
-#elif defined(__powerpc__)
-extern void __cmpxchg_called_with_bad_pointer(void);
-static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old,
-                                      unsigned long new, int size)
-{
-	unsigned long prev;
-
-	switch (size) {
-	case 4:
-		__asm__ __volatile__(
-			"sync;"
-			"0:    lwarx %0,0,%1 ;"
-			"      cmpl 0,%0,%3;"
-			"      bne 1f;"
-			"      stwcx. %2,0,%1;"
-			"      bne- 0b;"
-			"1:    "
-			"sync;"
-			: "=&r"(prev)
-			: "r"(ptr), "r"(new), "r"(old)
-			: "cr0", "memory");
-		return prev;
-	}
-	__cmpxchg_called_with_bad_pointer();
-	return old;
-}
-
-#endif /* i386, powerpc & alpha */
-
-#ifndef __alpha__
-#define cmpxchg(ptr,o,n)						\
-  ((__typeof__(*(ptr)))__cmpxchg((ptr),(unsigned long)(o),		\
-				 (unsigned long)(n),sizeof(*(ptr))))
-#endif
-
-#endif /* !__HAVE_ARCH_CMPXCHG */
 
 				/* Macros to make printk easier */
 #define DRM_ERROR(fmt, arg...) \
@@ -621,6 +443,8 @@ typedef struct drm_agp_head {
 	int                acquired;
 	unsigned long      base;
    	int 		   agp_mtrr;
+	int		   cant_use_aperture;
+	unsigned long	   page_mask;
 } drm_agp_head_t;
 #endif
 
@@ -629,9 +453,7 @@ typedef struct drm_sg_mem {
 	void            *virtual;
 	int             pages;
 	struct page     **pagelist;
-#if defined(__alpha__) && (LINUX_VERSION_CODE >= 0x020400)
 	dma_addr_t	*busaddr;
-#endif
 } drm_sg_mem_t;
 
 typedef struct drm_sigdata {
@@ -722,8 +544,8 @@ typedef struct drm_device {
 #if __REALLY_HAVE_AGP
 	drm_agp_head_t    *agp;
 #endif
-#ifdef __alpha__
 	struct pci_dev *pdev;
+#ifdef __alpha__
 #if LINUX_VERSION_CODE < 0x020403
 	struct pci_controler *hose;
 #else
@@ -772,21 +594,6 @@ extern unsigned int  DRM(poll)(struct file *filp,
 			       struct poll_table_struct *wait);
 
 				/* Mapping support (drm_vm.h) */
-#if LINUX_VERSION_CODE < 0x020317
-extern unsigned long DRM(vm_nopage)(struct vm_area_struct *vma,
-				    unsigned long address,
-				    int write_access);
-extern unsigned long DRM(vm_shm_nopage)(struct vm_area_struct *vma,
-					unsigned long address,
-					int write_access);
-extern unsigned long DRM(vm_dma_nopage)(struct vm_area_struct *vma,
-					unsigned long address,
-					int write_access);
-extern unsigned long DRM(vm_sg_nopage)(struct vm_area_struct *vma,
-				       unsigned long address,
-				       int write_access);
-#else
-				/* Return type changed in 2.3.23 */
 extern struct page *DRM(vm_nopage)(struct vm_area_struct *vma,
 				   unsigned long address,
 				   int write_access);
@@ -799,7 +606,6 @@ extern struct page *DRM(vm_dma_nopage)(struct vm_area_struct *vma,
 extern struct page *DRM(vm_sg_nopage)(struct vm_area_struct *vma,
 				      unsigned long address,
 				      int write_access);
-#endif
 extern void	     DRM(vm_open)(struct vm_area_struct *vma);
 extern void	     DRM(vm_close)(struct vm_area_struct *vma);
 extern void	     DRM(vm_shm_close)(struct vm_area_struct *vma);
diff --git a/linux-core/drm_agpsupport.c b/linux-core/drm_agpsupport.c
index 66d1defc..fc0b29aa 100644
--- a/linux-core/drm_agpsupport.c
+++ b/linux-core/drm_agpsupport.c
@@ -35,12 +35,8 @@
 
 #if __REALLY_HAVE_AGP
 
-#if LINUX_VERSION_CODE < 0x020400
-#include "agpsupport-pre24.h"
-#else
 #define DRM_AGP_GET (drm_agp_t *)inter_module_get("drm_agp")
 #define DRM_AGP_PUT inter_module_put("drm_agp")
-#endif
 
 static const drm_agp_t *drm_agp = NULL;
 
@@ -271,22 +267,24 @@ drm_agp_head_t *DRM(agp_init)(void)
 		case INTEL_GX:		head->chipset = "Intel 440GX";   break;
 		case INTEL_I810:	head->chipset = "Intel i810";    break;
 
-#if LINUX_VERSION_CODE >= 0x020400
 		case INTEL_I815:	head->chipset = "Intel i815";	 break;
+#if LINUX_VERSION_CODE >= 0x020415
+	 	case INTEL_I820:	head->chipset = "Intel i820";	 break;
+#endif
 		case INTEL_I840:	head->chipset = "Intel i840";    break;
-		case INTEL_I850:	head->chipset = "Intel i850";	 break;
+#if LINUX_VERSION_CODE >= 0x020415
+		case INTEL_I845:	head->chipset = "Intel i845";    break;
 #endif
+		case INTEL_I850:	head->chipset = "Intel i850";	 break;
 
 		case VIA_GENERIC:	head->chipset = "VIA";           break;
 		case VIA_VP3:		head->chipset = "VIA VP3";       break;
 		case VIA_MVP3:		head->chipset = "VIA MVP3";      break;
-#if LINUX_VERSION_CODE >= 0x020400
 		case VIA_MVP4:		head->chipset = "VIA MVP4";      break;
 		case VIA_APOLLO_KX133:	head->chipset = "VIA Apollo KX133";
 			break;
 		case VIA_APOLLO_KT133:	head->chipset = "VIA Apollo KT133";
 			break;
-#endif
 
 		case VIA_APOLLO_PRO: 	head->chipset = "VIA Apollo Pro";
 			break;
@@ -316,6 +314,14 @@ drm_agp_head_t *DRM(agp_init)(void)
 
 		default:		head->chipset = "Unknown";       break;
 		}
+#if LINUX_VERSION_CODE <= 0x020408
+		head->cant_use_aperture = 0;
+		head->page_mask = ~(0xfff);
+#else
+		head->cant_use_aperture = head->agp_info.cant_use_aperture;
+		head->page_mask = head->agp_info.page_mask;
+#endif
+
 		DRM_INFO("AGP %d.%d on %s @ 0x%08lx %ZuMB\n",
 			 head->agp_info.version.major,
 			 head->agp_info.version.minor,
diff --git a/linux-core/drm_bufs.c b/linux-core/drm_bufs.c
index ec5dd543..3ff3527f 100644
--- a/linux-core/drm_bufs.c
+++ b/linux-core/drm_bufs.c
@@ -229,11 +229,7 @@ int DRM(rmmap)(struct inode *inode, struct file *filp,
 	DRM(free)(list, sizeof(*list), DRM_MEM_MAPS);
 
 	for (pt = dev->vmalist, prev = NULL; pt; prev = pt, pt = pt->next) {
-#if LINUX_VERSION_CODE >= 0x020300
 		if (pt->vma->vm_private_data == map) found_maps++;
-#else
-		if (pt->vma->vm_pte == map) found_maps++;
-#endif
 	}
 
 	if(!found_maps) {
diff --git a/linux-core/drm_context.c b/linux-core/drm_context.c
index eb4d61c8..e155946d 100644
--- a/linux-core/drm_context.c
+++ b/linux-core/drm_context.c
@@ -27,6 +27,10 @@
  * Authors:
  *    Rickard E. (Rik) Faith <faith@valinux.com>
  *    Gareth Hughes <gareth@valinux.com>
+ * ChangeLog:
+ *  2001-11-16	Torsten Duwe <duwe@caldera.de>
+ *		added context constructor/destructor hooks,
+ *		needed by SiS driver's memory management.
  */
 
 #define __NO_VERSION__
@@ -181,7 +185,7 @@ int DRM(setsareactx)(struct inode *inode, struct file *filp,
 	drm_device_t	*dev	= priv->dev;
 	drm_ctx_priv_map_t request;
 	drm_map_t *map = NULL;
-	drm_map_list_t *r_list;
+	drm_map_list_t *r_list = NULL;
 	struct list_head *list;
 
 	if (copy_from_user(&request,
@@ -316,6 +320,10 @@ int DRM(addctx)( struct inode *inode, struct file *filp,
 				/* Should this return -EBUSY instead? */
 		return -ENOMEM;
 	}
+#ifdef DRIVER_CTX_CTOR
+	if ( ctx.handle != DRM_KERNEL_CONTEXT )
+		DRIVER_CTX_CTOR(ctx.handle); /* XXX: also pass dev ? */
+#endif
 
 	if ( copy_to_user( (drm_ctx_t *)arg, &ctx, sizeof(ctx) ) )
 		return -EFAULT;
@@ -390,6 +398,9 @@ int DRM(rmctx)( struct inode *inode, struct file *filp,
 		priv->remove_auth_on_close = 1;
 	}
 	if ( ctx.handle != DRM_KERNEL_CONTEXT ) {
+#ifdef DRIVER_CTX_DTOR
+		DRIVER_CTX_DTOR(ctx.handle); /* XXX: also pass dev ? */
+#endif
 		DRM(ctxbitmap_free)( dev, ctx.handle );
 	}
 
diff --git a/linux-core/drm_drv.c b/linux-core/drm_drv.c
index e1aff06d..23568288 100644
--- a/linux-core/drm_drv.c
+++ b/linux-core/drm_drv.c
@@ -113,7 +113,6 @@
 #define DRIVER_IOCTLS
 #endif
 #ifndef DRIVER_FOPS
-#if LINUX_VERSION_CODE >= 0x020400
 #define DRIVER_FOPS				\
 static struct file_operations	DRM(fops) = {	\
 	owner:   THIS_MODULE,			\
@@ -126,19 +125,6 @@ static struct file_operations	DRM(fops) = {	\
 	fasync:	 DRM(fasync),			\
 	poll:	 DRM(poll),			\
 }
-#else
-#define DRIVER_FOPS				\
-static struct file_operations	DRM(fops) = {	\
-	open:	 DRM(open),			\
-	flush:	 DRM(flush),			\
-	release: DRM(release),			\
-	ioctl:	 DRM(ioctl),			\
-	mmap:	 DRM(mmap),			\
-	read:	 DRM(read),			\
-	fasync:	 DRM(fasync),			\
-	poll:	 DRM(poll),			\
-}
-#endif
 #endif
 
 
@@ -234,6 +220,9 @@ static char *drm_opts = NULL;
 MODULE_AUTHOR( DRIVER_AUTHOR );
 MODULE_DESCRIPTION( DRIVER_DESC );
 MODULE_PARM( drm_opts, "s" );
+#ifdef MODULE_LICENSE
+MODULE_LICENSE("GPL and additional rights");
+#endif
 
 static int DRM(setup)( drm_device_t *dev )
 {
@@ -731,9 +720,6 @@ int DRM(open)( struct inode *inode, struct file *filp )
 
 	retcode = DRM(open_helper)( inode, filp, dev );
 	if ( !retcode ) {
-#if LINUX_VERSION_CODE < 0x020333
-		MOD_INC_USE_COUNT; /* Needed before Linux 2.3.51 */
-#endif
 		atomic_inc( &dev->counts[_DRM_STAT_OPENS] );
 		spin_lock( &dev->count_lock );
 		if ( !dev->open_count++ ) {
@@ -852,9 +838,6 @@ int DRM(release)( struct inode *inode, struct file *filp )
 	 * End inline drm_release
 	 */
 
-#if LINUX_VERSION_CODE < 0x020333
-	MOD_DEC_USE_COUNT; /* Needed before Linux 2.3.51 */
-#endif
 	atomic_inc( &dev->counts[_DRM_STAT_CLOSES] );
 	spin_lock( &dev->count_lock );
 	if ( !--dev->open_count ) {
diff --git a/linux-core/drm_fops.c b/linux-core/drm_fops.c
index 3656c5e9..9c2135fe 100644
--- a/linux-core/drm_fops.c
+++ b/linux-core/drm_fops.c
@@ -125,21 +125,31 @@ ssize_t DRM(read)(struct file *filp, char *buf, size_t count, loff_t *off)
 	int	      avail;
 	int	      send;
 	int	      cur;
+	DECLARE_WAITQUEUE(wait, current);
 
 	DRM_DEBUG("%p, %p\n", dev->buf_rp, dev->buf_wp);
 
+	add_wait_queue(&dev->buf_readers, &wait);
+	set_current_state(TASK_INTERRUPTIBLE);
 	while (dev->buf_rp == dev->buf_wp) {
 		DRM_DEBUG("  sleeping\n");
 		if (filp->f_flags & O_NONBLOCK) {
+			remove_wait_queue(&dev->buf_readers, &wait);
+			set_current_state(TASK_RUNNING);
 			return -EAGAIN;
 		}
-		interruptible_sleep_on(&dev->buf_readers);
+		schedule(); /* wait for dev->buf_readers */
 		if (signal_pending(current)) {
 			DRM_DEBUG("  interrupted\n");
+			remove_wait_queue(&dev->buf_readers, &wait);
+			set_current_state(TASK_RUNNING);
 			return -ERESTARTSYS;
 		}
 		DRM_DEBUG("  awake\n");
+		set_current_state(TASK_INTERRUPTIBLE);
 	}
+	remove_wait_queue(&dev->buf_readers, &wait);
+	set_current_state(TASK_RUNNING);
 
 	left  = (dev->buf_rp + DRM_BSZ - dev->buf_wp) % DRM_BSZ;
 	avail = DRM_BSZ - left;
@@ -191,24 +201,8 @@ int DRM(write_string)(drm_device_t *dev, const char *s)
 		send -= count;
 	}
 
-#if LINUX_VERSION_CODE < 0x020315 && !defined(KILLFASYNCHASTHREEPARAMETERS)
-	/* The extra parameter to kill_fasync was added in 2.3.21, and is
-           _not_ present in _stock_ 2.2.14 and 2.2.15.  However, some
-           distributions patch 2.2.x kernels to add this parameter.  The
-           Makefile.linux attempts to detect this addition and defines
-           KILLFASYNCHASTHREEPARAMETERS if three parameters are found. */
-	if (dev->buf_async) kill_fasync(dev->buf_async, SIGIO);
-#else
-
-				/* Parameter added in 2.3.21. */
-#if LINUX_VERSION_CODE < 0x020400
-	if (dev->buf_async) kill_fasync(dev->buf_async, SIGIO, POLL_IN);
-#else
-				/* Type of first parameter changed in
-                                   Linux 2.4.0-test2... */
 	if (dev->buf_async) kill_fasync(&dev->buf_async, SIGIO, POLL_IN);
-#endif
-#endif
+
 	DRM_DEBUG("waking\n");
 	wake_up_interruptible(&dev->buf_readers);
 	return 0;
diff --git a/linux-core/drm_ioctl.c b/linux-core/drm_ioctl.c
index adcb22c8..0d8a1259 100644
--- a/linux-core/drm_ioctl.c
+++ b/linux-core/drm_ioctl.c
@@ -98,7 +98,6 @@ int DRM(setunique)(struct inode *inode, struct file *filp,
 	}
 	sprintf(dev->devname, "%s@%s", dev->name, dev->unique);
 
-#ifdef __alpha__
 	do {
 		struct pci_dev *pci_dev;
                 int b, d, f;
@@ -116,10 +115,11 @@ int DRM(setunique)(struct inode *inode, struct file *filp,
                 pci_dev = pci_find_slot(b, PCI_DEVFN(d,f));
                 if (pci_dev) {
 			dev->pdev = pci_dev;
+#ifdef __alpha__
 			dev->hose = pci_dev->sysdata;
+#endif
 		}
         } while(0);
-#endif
 
 	return 0;
 }
diff --git a/linux-core/drm_memory.h b/linux-core/drm_memory.h
index 498937d4..f11b80c3 100644
--- a/linux-core/drm_memory.h
+++ b/linux-core/drm_memory.h
@@ -85,12 +85,7 @@ void DRM(mem_init)(void)
 	}
 
 	si_meminfo(&si);
-#if LINUX_VERSION_CODE < 0x020317
-				/* Changed to page count in 2.3.23 */
-	DRM(ram_available) = si.totalram >> PAGE_SHIFT;
-#else
 	DRM(ram_available) = si.totalram;
-#endif
 	DRM(ram_used)	   = 0;
 }
 
@@ -257,12 +252,7 @@ unsigned long DRM(alloc_pages)(int order, int area)
 	for (addr = address, sz = bytes;
 	     sz > 0;
 	     addr += PAGE_SIZE, sz -= PAGE_SIZE) {
-#if LINUX_VERSION_CODE >= 0x020400
-				/* Argument type changed in 2.4.0-test6/pre8 */
 		mem_map_reserve(virt_to_page(addr));
-#else
-		mem_map_reserve(MAP_NR(addr));
-#endif
 	}
 
 	return address;
@@ -283,12 +273,7 @@ void DRM(free_pages)(unsigned long address, int order, int area)
 		for (addr = address, sz = bytes;
 		     sz > 0;
 		     addr += PAGE_SIZE, sz -= PAGE_SIZE) {
-#if LINUX_VERSION_CODE >= 0x020400
-				/* Argument type changed in 2.4.0-test6/pre8 */
 			mem_map_unreserve(virt_to_page(addr));
-#else
-			mem_map_unreserve(MAP_NR(addr));
-#endif
 		}
 		free_pages(address, order);
 	}
diff --git a/linux-core/drm_proc.c b/linux-core/drm_proc.c
index f65f42b7..24e8556f 100644
--- a/linux-core/drm_proc.c
+++ b/linux-core/drm_proc.c
@@ -186,7 +186,7 @@ static int DRM(_vm_info)(char *buf, char **start, off_t offset, int request,
 	DRM_PROC_PRINT("slot	 offset	      size type flags	 "
 		       "address mtrr\n\n");
 	i = 0;
-	list_for_each(list, &dev->maplist->head) {
+	if (dev->maplist != NULL) list_for_each(list, &dev->maplist->head) {
 		r_list = (drm_map_list_t *)list;
 		map = r_list->map;
 		if(!map) continue;
diff --git a/linux-core/drm_scatter.c b/linux-core/drm_scatter.c
index 66d34968..a6b8275f 100644
--- a/linux-core/drm_scatter.c
+++ b/linux-core/drm_scatter.c
@@ -47,11 +47,9 @@ void DRM(sg_cleanup)( drm_sg_mem_t *entry )
 
 	vfree( entry->virtual );
 
-#if defined(__alpha__) && (LINUX_VERSION_CODE >= 0x020400)
 	DRM(free)( entry->busaddr,
 		   entry->pages * sizeof(*entry->busaddr),
 		   DRM_MEM_PAGES );
-#endif
 	DRM(free)( entry->pagelist,
 		   entry->pages * sizeof(*entry->pagelist),
 		   DRM_MEM_PAGES );
@@ -99,7 +97,6 @@ int DRM(sg_alloc)( struct inode *inode, struct file *filp,
 		return -ENOMEM;
 	}
 
-#if defined(__alpha__) && (LINUX_VERSION_CODE >= 0x020400)
 	entry->busaddr = DRM(alloc)( pages * sizeof(*entry->busaddr),
 				     DRM_MEM_PAGES );
 	if ( !entry->busaddr ) {
@@ -112,15 +109,12 @@ int DRM(sg_alloc)( struct inode *inode, struct file *filp,
 		return -ENOMEM;
 	}
 	memset( (void *)entry->busaddr, 0, pages * sizeof(*entry->busaddr) );
-#endif
 
 	entry->virtual = vmalloc_32( pages << PAGE_SHIFT );
 	if ( !entry->virtual ) {
-#if defined(__alpha__) && (LINUX_VERSION_CODE >= 0x020400)
 		DRM(free)( entry->busaddr,
 			   entry->pages * sizeof(*entry->busaddr),
 			   DRM_MEM_PAGES );
-#endif
 		DRM(free)( entry->pagelist,
 			   entry->pages * sizeof(*entry->pagelist),
 			   DRM_MEM_PAGES );
diff --git a/linux-core/drm_stub.c b/linux-core/drm_stub.c
index fe8a1bc9..ead5b959 100644
--- a/linux-core/drm_stub.c
+++ b/linux-core/drm_stub.c
@@ -31,10 +31,6 @@
 #define __NO_VERSION__
 #include "drmP.h"
 
-#if LINUX_VERSION_CODE < 0x020400
-#include "stubsupport-pre24.h"
-#endif
-
 #define DRM_STUB_MAXCARDS 16	/* Enough for one machine */
 
 static struct drm_stub_list {
@@ -70,9 +66,7 @@ static int DRM(stub_open)(struct inode *inode, struct file *filp)
 }
 
 static struct file_operations DRM(stub_fops) = {
-#if LINUX_VERSION_CODE >= 0x020400
 	owner:   THIS_MODULE,
-#endif
 	open:	 DRM(stub_open)
 };
 
diff --git a/linux-core/drm_vm.c b/linux-core/drm_vm.c
index d9ee0ff4..5fd3571a 100644
--- a/linux-core/drm_vm.c
+++ b/linux-core/drm_vm.c
@@ -56,18 +56,11 @@ struct vm_operations_struct   DRM(vm_sg_ops) = {
 	close:   DRM(vm_close),
 };
 
-#if LINUX_VERSION_CODE < 0x020317
-unsigned long DRM(vm_nopage)(struct vm_area_struct *vma,
-			     unsigned long address,
-			     int write_access)
-#else
-				/* Return type changed in 2.3.23 */
 struct page *DRM(vm_nopage)(struct vm_area_struct *vma,
 			    unsigned long address,
 			    int write_access)
-#endif
 {
-#if defined(__alpha__) && __REALLY_HAVE_AGP
+#if __REALLY_HAVE_AGP
 	drm_file_t *priv  = vma->vm_file->private_data;
 	drm_device_t *dev = priv->dev;
 	drm_map_t *map    = NULL;
@@ -77,6 +70,9 @@ struct page *DRM(vm_nopage)(struct vm_area_struct *vma,
 	/*
          * Find the right map
          */
+
+	if(!dev->agp->cant_use_aperture) goto vm_nopage_error;
+
 	list_for_each(list, &dev->maplist->head) {
 		r_list = (drm_map_list_t *)list;
 		map = r_list->map;
@@ -90,10 +86,12 @@ struct page *DRM(vm_nopage)(struct vm_area_struct *vma,
 		struct drm_agp_mem *agpmem;
 		struct page *page;
 
+#if __alpha__
 		/*
-                 * Make it a bus-relative address
+                 * Adjust to a bus-relative address
                  */
 		baddr -= dev->hose->mem_space->start;
+#endif
 
 		/*
                  * It's AGP memory - find the real physical page to map
@@ -104,50 +102,32 @@ struct page *DRM(vm_nopage)(struct vm_area_struct *vma,
 				break;
 		}
 
-		if (!agpmem) {
-			/*
-                         * Oops - no memory found
-                         */
-			return NOPAGE_SIGBUS;   /* couldn't find it */
-                }
+		if (!agpmem) goto vm_nopage_error;
 
 		/*
                  * Get the page, inc the use count, and return it
                  */
 		offset = (baddr - agpmem->bound) >> PAGE_SHIFT;
-		agpmem->memory->memory[offset] &= ~1UL; /* HACK */
+		agpmem->memory->memory[offset] &= dev->agp->page_mask;
 		page = virt_to_page(__va(agpmem->memory->memory[offset]));
-#if 0
-		DRM_ERROR("baddr = 0x%lx page = 0x%lx, offset = 0x%lx\n",
-			  baddr, __va(agpmem->memory->memory[offset]), offset);
-#endif
 		get_page(page);
-#if LINUX_VERSION_CODE < 0x020317
-		return page_address(page);
-#else
+
+		DRM_DEBUG("baddr = 0x%lx page = 0x%p, offset = 0x%lx\n",
+			  baddr, __va(agpmem->memory->memory[offset]), offset);
+
 		return page;
-#endif
         }
-#endif
+vm_nopage_error:
+#endif /* __REALLY_HAVE_AGP */
+
 	return NOPAGE_SIGBUS;		/* Disallow mremap */
 }
 
-#if LINUX_VERSION_CODE < 0x020317
-unsigned long DRM(vm_shm_nopage)(struct vm_area_struct *vma,
-				 unsigned long address,
-				 int write_access)
-#else
-				/* Return type changed in 2.3.23 */
 struct page *DRM(vm_shm_nopage)(struct vm_area_struct *vma,
 				unsigned long address,
 				int write_access)
-#endif
 {
-#if LINUX_VERSION_CODE >= 0x020300
 	drm_map_t	 *map	 = (drm_map_t *)vma->vm_private_data;
-#else
-	drm_map_t	 *map	 = (drm_map_t *)vma->vm_pte;
-#endif
 	unsigned long	 offset;
 	unsigned long	 i;
 	pgd_t		 *pgd;
@@ -174,11 +154,7 @@ struct page *DRM(vm_shm_nopage)(struct vm_area_struct *vma,
 	get_page(page);
 
 	DRM_DEBUG("0x%08lx => 0x%08x\n", address, page_to_bus(page));
-#if LINUX_VERSION_CODE < 0x020317
-	return page_address(page);
-#else
 	return page;
-#endif
 }
 
 /* Special close routine which deletes map information if we are the last
@@ -197,25 +173,14 @@ void DRM(vm_shm_close)(struct vm_area_struct *vma)
 
 	DRM_DEBUG("0x%08lx,0x%08lx\n",
 		  vma->vm_start, vma->vm_end - vma->vm_start);
-#if LINUX_VERSION_CODE < 0x020333
-	MOD_DEC_USE_COUNT; /* Needed before Linux 2.3.51 */
-#endif
 	atomic_dec(&dev->vma_count);
 
-#if LINUX_VERSION_CODE >= 0x020300
 	map = vma->vm_private_data;
-#else
-	map = vma->vm_pte;
-#endif
 
 	down(&dev->struct_sem);
 	for (pt = dev->vmalist, prev = NULL; pt; pt = next) {
 		next = pt->next;
-#if LINUX_VERSION_CODE >= 0x020300
 		if (pt->vma->vm_private_data == map) found_maps++;
-#else
-		if (pt->vma->vm_pte == map) found_maps++;
-#endif
 		if (pt->vma == vma) {
 			if (prev) {
 				prev->next = pt->next;
@@ -268,16 +233,9 @@ void DRM(vm_shm_close)(struct vm_area_struct *vma)
 	up(&dev->struct_sem);
 }
 
-#if LINUX_VERSION_CODE < 0x020317
-unsigned long DRM(vm_dma_nopage)(struct vm_area_struct *vma,
-				 unsigned long address,
-				 int write_access)
-#else
-				/* Return type changed in 2.3.23 */
 struct page *DRM(vm_dma_nopage)(struct vm_area_struct *vma,
 				unsigned long address,
 				int write_access)
-#endif
 {
 	drm_file_t	 *priv	 = vma->vm_file->private_data;
 	drm_device_t	 *dev	 = priv->dev;
@@ -299,29 +257,14 @@ struct page *DRM(vm_dma_nopage)(struct vm_area_struct *vma,
 
 	DRM_DEBUG("0x%08lx (page %lu) => 0x%08x\n", address, page_nr, 
 		  page_to_bus(page));
-#if LINUX_VERSION_CODE < 0x020317
-	return page_address(page);
-#else
 	return page;
-#endif
 }
 
-#if LINUX_VERSION_CODE < 0x020317
-unsigned long DRM(vm_sg_nopage)(struct vm_area_struct *vma,
-				unsigned long address,
-				int write_access)
-#else
-				/* Return type changed in 2.3.23 */
 struct page *DRM(vm_sg_nopage)(struct vm_area_struct *vma,
 			       unsigned long address,
 			       int write_access)
-#endif
 {
-#if LINUX_VERSION_CODE >= 0x020300
 	drm_map_t        *map    = (drm_map_t *)vma->vm_private_data;
-#else
-	drm_map_t        *map    = (drm_map_t *)vma->vm_pte;
-#endif
 	drm_file_t *priv = vma->vm_file->private_data;
 	drm_device_t *dev = priv->dev;
 	drm_sg_mem_t *entry = dev->sg;
@@ -341,11 +284,7 @@ struct page *DRM(vm_sg_nopage)(struct vm_area_struct *vma,
 	page = entry->pagelist[page_offset];
 	get_page(page);
 
-#if LINUX_VERSION_CODE < 0x020317
-	return page_address(page);
-#else
 	return page;
-#endif
 }
 
 void DRM(vm_open)(struct vm_area_struct *vma)
@@ -357,10 +296,6 @@ void DRM(vm_open)(struct vm_area_struct *vma)
 	DRM_DEBUG("0x%08lx,0x%08lx\n",
 		  vma->vm_start, vma->vm_end - vma->vm_start);
 	atomic_inc(&dev->vma_count);
-#if LINUX_VERSION_CODE < 0x020333
-				/* The map can exist after the fd is closed. */
-	MOD_INC_USE_COUNT; /* Needed before Linux 2.3.51 */
-#endif
 
 	vma_entry = DRM(alloc)(sizeof(*vma_entry), DRM_MEM_VMAS);
 	if (vma_entry) {
@@ -381,9 +316,6 @@ void DRM(vm_close)(struct vm_area_struct *vma)
 
 	DRM_DEBUG("0x%08lx,0x%08lx\n",
 		  vma->vm_start, vma->vm_end - vma->vm_start);
-#if LINUX_VERSION_CODE < 0x020333
-	MOD_DEC_USE_COUNT; /* Needed before Linux 2.3.51 */
-#endif
 	atomic_dec(&dev->vma_count);
 
 	down(&dev->struct_sem);
@@ -422,13 +354,13 @@ int DRM(mmap_dma)(struct file *filp, struct vm_area_struct *vma)
 	unlock_kernel();
 
 	vma->vm_ops   = &DRM(vm_dma_ops);
-	vma->vm_flags |= VM_LOCKED | VM_SHM; /* Don't swap */
 
-#if LINUX_VERSION_CODE < 0x020203 /* KERNEL_VERSION(2,2,3) */
-				/* In Linux 2.2.3 and above, this is
-				   handled in do_mmap() in mm/mmap.c. */
-	++filp->f_count;
+#if LINUX_VERSION_CODE <= 0x020414
+	vma->vm_flags |= VM_LOCKED | VM_SHM; /* Don't swap */
+#else
+	vma->vm_flags |= VM_RESERVED; /* Don't swap */
 #endif
+
 	vma->vm_file  =	 filp;	/* Needed for drm_vm_open() */
 	DRM(vm_open)(vma);
 	return 0;
@@ -543,34 +475,33 @@ int DRM(mmap)(struct file *filp, struct vm_area_struct *vma)
 		break;
 	case _DRM_SHM:
 		vma->vm_ops = &DRM(vm_shm_ops);
-#if LINUX_VERSION_CODE >= 0x020300
 		vma->vm_private_data = (void *)map;
-#else
-		vma->vm_pte = (unsigned long)map;
-#endif
 				/* Don't let this area swap.  Change when
 				   DRM_KERNEL advisory is supported. */
+#if LINUX_VERSION_CODE <= 0x020414
 		vma->vm_flags |= VM_LOCKED;
+#else
+		vma->vm_flags |= VM_RESERVED;
+#endif
 		break;
 	case _DRM_SCATTER_GATHER:
 		vma->vm_ops = &DRM(vm_sg_ops);
-#if LINUX_VERSION_CODE >= 0x020300
 		vma->vm_private_data = (void *)map;
+#if LINUX_VERSION_CODE <= 0x020414
+		vma->vm_flags |= VM_LOCKED;
 #else
-		vma->vm_pte = (unsigned long)map;
+		vma->vm_flags |= VM_RESERVED;
 #endif
-                vma->vm_flags |= VM_LOCKED;
                 break;
 	default:
 		return -EINVAL;	/* This should never happen. */
 	}
+#if LINUX_VERSION_CODE <= 0x020414
 	vma->vm_flags |= VM_LOCKED | VM_SHM; /* Don't swap */
-
-#if LINUX_VERSION_CODE < 0x020203 /* KERNEL_VERSION(2,2,3) */
-				/* In Linux 2.2.3 and above, this is
-				   handled in do_mmap() in mm/mmap.c. */
-	++filp->f_count;
+#else
+	vma->vm_flags |= VM_RESERVED; /* Don't swap */
 #endif
+
 	vma->vm_file  =	 filp;	/* Needed for drm_vm_open() */
 	DRM(vm_open)(vma);
 	return 0;
diff --git a/linux-core/i810_dma.c b/linux-core/i810_dma.c
index d6933d57..ae0a3616 100644
--- a/linux-core/i810_dma.c
+++ b/linux-core/i810_dma.c
@@ -86,6 +86,7 @@ static inline void i810_print_status_page(drm_device_t *dev)
    	DRM_DEBUG(  "hw_status: LpRing Head ptr : %x\n", temp[1]);
    	DRM_DEBUG(  "hw_status: IRing Head ptr : %x\n", temp[2]);
       	DRM_DEBUG(  "hw_status: Reserved : %x\n", temp[3]);
+	DRM_DEBUG(  "hw_status: Last Render: %x\n", temp[4]);
    	DRM_DEBUG(  "hw_status: Driver Counter : %d\n", temp[5]);
    	for(i = 6; i < dma->buf_count + 6; i++) {
 	   	DRM_DEBUG( "buffer status idx : %d used: %d\n", i - 6, temp[i]);
@@ -227,14 +228,9 @@ static int i810_unmap_buffer(drm_buf_t *buf)
 #else
 		down_write( &current->mm->mmap_sem );
 #endif
-#if LINUX_VERSION_CODE < 0x020399
-        	retcode = do_munmap((unsigned long)buf_priv->virtual,
-				    (size_t) buf->total);
-#else
         	retcode = do_munmap(current->mm,
 				    (unsigned long)buf_priv->virtual,
 				    (size_t) buf->total);
-#endif
 #if LINUX_VERSION_CODE <= 0x020402
 		up( &current->mm->mmap_sem );
 #else
@@ -476,6 +472,9 @@ static int i810_dma_initialize(drm_device_t *dev,
 	dev_priv->back_offset = init->back_offset;
 	dev_priv->depth_offset = init->depth_offset;
 
+	dev_priv->overlay_offset = init->overlay_offset;
+	dev_priv->overlay_physical = init->overlay_physical;
+
 	dev_priv->front_di1 = init->front_offset | init->pitch_bits;
 	dev_priv->back_di1 = init->back_offset | init->pitch_bits;
 	dev_priv->zi1 = init->depth_offset | init->pitch_bits;
@@ -1264,3 +1263,156 @@ int i810_docopy(struct inode *inode, struct file *filp, unsigned int cmd,
 	if(VM_DONTCOPY == 0) return 1;
 	return 0;
 }
+
+static void i810_dma_dispatch_mc(drm_device_t *dev, drm_buf_t *buf, int used,
+		unsigned int last_render)
+{
+	drm_i810_private_t *dev_priv = dev->dev_private;
+	drm_i810_buf_priv_t *buf_priv = buf->dev_private;
+	drm_i810_sarea_t *sarea_priv = dev_priv->sarea_priv;
+	unsigned long address = (unsigned long)buf->bus_address;
+	unsigned long start = address - dev->agp->base;
+	int u;
+	RING_LOCALS;
+
+	i810_kernel_lost_context(dev);
+
+	u = cmpxchg(buf_priv->in_use, I810_BUF_CLIENT,
+		I810_BUF_HARDWARE);
+	if(u != I810_BUF_CLIENT) {
+		DRM_DEBUG("MC found buffer that isn't mine!\n");
+	}
+
+	if (used > 4*1024)
+		used = 0;
+
+	sarea_priv->dirty = 0x7f;
+
+	DRM_DEBUG("dispatch mc addr 0x%lx, used 0x%x\n",
+		address, used);
+
+	dev_priv->counter++;
+	DRM_DEBUG("dispatch counter : %ld\n", dev_priv->counter);
+	DRM_DEBUG("i810_dma_dispatch_mc\n");
+	DRM_DEBUG("start : %lx\n", start);
+	DRM_DEBUG("used : %d\n", used);
+	DRM_DEBUG("start + used - 4 : %ld\n", start + used - 4);
+
+	if (buf_priv->currently_mapped == I810_BUF_MAPPED) {
+		if (used & 4) {
+			*(u32 *)((u32)buf_priv->virtual + used) = 0;
+			used += 4;
+		}
+
+		i810_unmap_buffer(buf);
+	}
+	BEGIN_LP_RING(4);
+	OUT_RING( CMD_OP_BATCH_BUFFER );
+	OUT_RING( start | BB1_PROTECTED );
+	OUT_RING( start + used - 4 );
+	OUT_RING( 0 );
+	ADVANCE_LP_RING();
+
+
+	BEGIN_LP_RING(8);
+	OUT_RING( CMD_STORE_DWORD_IDX );
+	OUT_RING( buf_priv->my_use_idx );
+	OUT_RING( I810_BUF_FREE );
+	OUT_RING( 0 );
+
+	OUT_RING( CMD_STORE_DWORD_IDX );
+	OUT_RING( 16 );
+	OUT_RING( last_render );
+	OUT_RING( 0 );
+	ADVANCE_LP_RING();
+}
+
+int i810_dma_mc(struct inode *inode, struct file *filp,
+	unsigned int cmd, unsigned long arg)
+{
+	drm_file_t *priv = filp->private_data;
+	drm_device_t *dev = priv->dev;
+	drm_device_dma_t *dma = dev->dma;
+	drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private;
+	u32 *hw_status = (u32 *)dev_priv->hw_status_page;
+	drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *)
+		dev_priv->sarea_priv;
+	drm_i810_mc_t mc;
+
+	if (copy_from_user(&mc, (drm_i810_mc_t *)arg, sizeof(mc)))
+		return -EFAULT;
+
+
+	if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
+		DRM_ERROR("i810_dma_mc called without lock held\n");
+		return -EINVAL;
+	}
+
+	i810_dma_dispatch_mc(dev, dma->buflist[mc.idx], mc.used,
+		mc.last_render );
+
+	atomic_add(mc.used, &dev->counts[_DRM_STAT_SECONDARY]);
+	atomic_inc(&dev->counts[_DRM_STAT_DMA]);
+	sarea_priv->last_enqueue = dev_priv->counter-1;
+	sarea_priv->last_dispatch = (int) hw_status[5];
+
+	return 0;
+}
+
+int i810_rstatus(struct inode *inode, struct file *filp,
+		unsigned int cmd, unsigned long arg)
+{
+	drm_file_t *priv = filp->private_data;
+	drm_device_t *dev = priv->dev;
+	drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private;
+
+	return (int)(((u32 *)(dev_priv->hw_status_page))[4]);
+}
+
+int i810_ov0_info(struct inode *inode, struct file *filp,
+		unsigned int cmd, unsigned long arg)
+{
+	drm_file_t *priv = filp->private_data;
+	drm_device_t *dev = priv->dev;
+	drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private;
+	drm_i810_overlay_t data;
+
+	data.offset = dev_priv->overlay_offset;
+	data.physical = dev_priv->overlay_physical;
+	copy_to_user((drm_i810_overlay_t *)arg,&data,sizeof(data));
+	return 0;
+}
+
+int i810_fstatus(struct inode *inode, struct file *filp,
+		unsigned int cmd, unsigned long arg)
+{
+	drm_file_t *priv = filp->private_data;
+	drm_device_t *dev = priv->dev;
+	drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private;
+
+	if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
+		DRM_ERROR("i810_fstatus called without lock held\n");
+		return -EINVAL;
+	}
+	return I810_READ(0x30008);
+}
+
+int i810_ov0_flip(struct inode *inode, struct file *filp,
+		unsigned int cmd, unsigned long arg)
+{
+	drm_file_t *priv = filp->private_data;
+	drm_device_t *dev = priv->dev;
+	drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private;
+
+	if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
+		DRM_ERROR("i810_ov0_flip called without lock held\n");
+		return -EINVAL;
+	}
+
+	//Tell the overlay to update
+	I810_WRITE(0x30000,dev_priv->overlay_physical | 0x80000000);
+
+	return 0;
+}
+
+
diff --git a/linux-core/i810_drm.h b/linux-core/i810_drm.h
index 5d47adda..8413293b 100644
--- a/linux-core/i810_drm.h
+++ b/linux-core/i810_drm.h
@@ -112,6 +112,8 @@ typedef struct _drm_i810_init {
 	unsigned int front_offset;
 	unsigned int back_offset;
 	unsigned int depth_offset;
+	unsigned int overlay_offset;
+	unsigned int overlay_physical;
 	unsigned int w;
 	unsigned int h;
 	unsigned int pitch;
@@ -196,4 +198,18 @@ typedef struct drm_i810_dma {
 	int granted;
 } drm_i810_dma_t;
 
+typedef struct _drm_i810_overlay_t {
+	unsigned int offset;    /* Address of the Overlay Regs */
+	unsigned int physical;
+} drm_i810_overlay_t;
+
+typedef struct _drm_i810_mc {
+	int idx;                /* buffer index */
+	int used;               /* nr bytes in use */
+	int num_blocks;         /* number of GFXBlocks */
+	int *length;            /* List of lengths for GFXBlocks (FUTURE)*/
+	unsigned int last_render; /* Last Render Request */
+} drm_i810_mc_t;
+
+
 #endif /* _I810_DRM_H_ */
diff --git a/linux-core/i810_drv.c b/linux-core/i810_drv.c
index a228cb46..559b2617 100644
--- a/linux-core/i810_drv.c
+++ b/linux-core/i810_drv.c
@@ -39,10 +39,10 @@
 
 #define DRIVER_NAME		"i810"
 #define DRIVER_DESC		"Intel i810"
-#define DRIVER_DATE		"20010616"
+#define DRIVER_DATE		"20010920"
 
 #define DRIVER_MAJOR		1
-#define DRIVER_MINOR		1
+#define DRIVER_MINOR		2	
 #define DRIVER_PATCHLEVEL	0
 
 #define DRIVER_IOCTLS							    \
@@ -54,7 +54,12 @@
 	[DRM_IOCTL_NR(DRM_IOCTL_I810_GETBUF)] = { i810_getbuf,      1, 0 }, \
    	[DRM_IOCTL_NR(DRM_IOCTL_I810_SWAP)]   = { i810_swap_bufs,   1, 0 }, \
    	[DRM_IOCTL_NR(DRM_IOCTL_I810_COPY)]   = { i810_copybuf,     1, 0 }, \
-   	[DRM_IOCTL_NR(DRM_IOCTL_I810_DOCOPY)] = { i810_docopy,      1, 0 },
+   	[DRM_IOCTL_NR(DRM_IOCTL_I810_DOCOPY)] = { i810_docopy,      1, 0 }, \
+	[DRM_IOCTL_NR(DRM_IOCTL_I810_OV0INFO)] = { i810_ov0_info,   1, 0 }, \
+	[DRM_IOCTL_NR(DRM_IOCTL_I810_FSTATUS)] = { i810_fstatus,    1, 0 }, \
+	[DRM_IOCTL_NR(DRM_IOCTL_I810_OV0FLIP)] = { i810_ov0_flip,   1, 0 }, \
+	[DRM_IOCTL_NR(DRM_IOCTL_I810_MC)]      = { i810_dma_mc,     1, 1 }, \
+	[DRM_IOCTL_NR(DRM_IOCTL_I810_RSTATUS)] = { i810_rstatus,    1, 0 }
 
 
 #define __HAVE_COUNTERS         4
diff --git a/linux-core/i810_drv.h b/linux-core/i810_drv.h
index e1b17148..a27384d4 100644
--- a/linux-core/i810_drv.h
+++ b/linux-core/i810_drv.h
@@ -73,6 +73,8 @@ typedef struct drm_i810_private {
 
 	int back_offset;
 	int depth_offset;
+	int overlay_offset;
+	int overlay_physical;
 	int w, h;
 	int pitch;
 } drm_i810_private_t;
@@ -94,6 +96,18 @@ extern int i810_copybuf(struct inode *inode, struct file *filp,
 extern int i810_docopy(struct inode *inode, struct file *filp,
 		       unsigned int cmd, unsigned long arg);
 
+extern int i810_rstatus(struct inode *inode, struct file *filp,
+			unsigned int cmd, unsigned long arg);
+extern int i810_ov0_info(struct inode *inode, struct file *filp,
+			unsigned int cmd, unsigned long arg);
+extern int i810_fstatus(struct inode *inode, struct file *filp,
+			unsigned int cmd, unsigned long arg);
+extern int i810_ov0_flip(struct inode *inode, struct file *filp,
+			unsigned int cmd, unsigned long arg);
+extern int i810_dma_mc(struct inode *inode, struct file *filp,
+			unsigned int cmd, unsigned long arg);
+
+
 extern void i810_dma_quiescent(drm_device_t *dev);
 
 #define I810_VERBOSE 0
diff --git a/linux-core/i830_dma.c b/linux-core/i830_dma.c
new file mode 100644
index 00000000..661987fb
--- /dev/null
+++ b/linux-core/i830_dma.c
@@ -0,0 +1,1418 @@
+/* i830_dma.c -- DMA support for the I830 -*- linux-c -*-
+ * Created: Mon Dec 13 01:50:01 1999 by jhartmann@precisioninsight.com
+ *
+ * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Rickard E. (Rik) Faith <faith@valinux.com>
+ *	    Jeff Hartmann <jhartmann@valinux.com>
+ *      Keith Whitwell <keithw@valinux.com>
+ *      Abraham vd Merwe <abraham@2d3d.co.za>
+ *
+ */
+
+#define __NO_VERSION__
+#include "i830.h"
+#include "drmP.h"
+#include "i830_drv.h"
+#include <linux/interrupt.h>	/* For task queue support */
+
+/* in case we don't have a 2.3.99-pre6 kernel or later: */
+#ifndef VM_DONTCOPY
+#define VM_DONTCOPY 0
+#endif
+
+#define I830_BUF_FREE		2
+#define I830_BUF_CLIENT		1
+#define I830_BUF_HARDWARE      	0
+
+#define I830_BUF_UNMAPPED 0
+#define I830_BUF_MAPPED   1
+
+#define RING_LOCALS	unsigned int outring, ringmask; volatile char *virt;
+
+
+#define DO_IDLE_WORKAROUND()					\
+do {								\
+   int _head;							\
+   int _tail;							\
+   int _i;							\
+   do { 							\
+      _head = I830_READ(LP_RING + RING_HEAD) & HEAD_ADDR;	\
+      _tail = I830_READ(LP_RING + RING_TAIL) & TAIL_ADDR;	\
+      for(_i = 0; _i < 65535; _i++);				\
+   } while(_head != _tail);					\
+} while(0)
+
+#define I830_SYNC_WORKAROUND 0
+
+#define BEGIN_LP_RING(n) do {				\
+	if (I830_VERBOSE)				\
+		DRM_DEBUG("BEGIN_LP_RING(%d) in %s\n",	\
+			  n, __FUNCTION__);		\
+	if (I830_SYNC_WORKAROUND)			\
+		DO_IDLE_WORKAROUND();			\
+	if (dev_priv->ring.space < n*4) 		\
+		i830_wait_ring(dev, n*4);		\
+	dev_priv->ring.space -= n*4;			\
+	outring = dev_priv->ring.tail;			\
+	ringmask = dev_priv->ring.tail_mask;		\
+	virt = dev_priv->ring.virtual_start;		\
+} while (0)
+
+#define ADVANCE_LP_RING() do {					\
+	if (I830_VERBOSE) DRM_DEBUG("ADVANCE_LP_RING\n");	\
+	dev_priv->ring.tail = outring;				\
+	I830_WRITE(LP_RING + RING_TAIL, outring);		\
+} while(0)
+
+#define OUT_RING(n) do {						\
+	if (I830_VERBOSE) DRM_DEBUG("   OUT_RING %x\n", (int)(n));	\
+	*(volatile unsigned int *)(virt + outring) = n;			\
+	outring += 4;							\
+	outring &= ringmask;						\
+} while (0);
+
+static inline void i830_print_status_page(drm_device_t *dev)
+{
+   	drm_device_dma_t *dma = dev->dma;
+      	drm_i830_private_t *dev_priv = dev->dev_private;
+	u32 *temp = (u32 *)dev_priv->hw_status_page;
+   	int i;
+
+   	DRM_DEBUG(  "hw_status: Interrupt Status : %x\n", temp[0]);
+   	DRM_DEBUG(  "hw_status: LpRing Head ptr : %x\n", temp[1]);
+   	DRM_DEBUG(  "hw_status: IRing Head ptr : %x\n", temp[2]);
+      	DRM_DEBUG(  "hw_status: Reserved : %x\n", temp[3]);
+   	DRM_DEBUG(  "hw_status: Driver Counter : %d\n", temp[5]);
+   	for(i = 9; i < dma->buf_count + 9; i++) {
+	   	DRM_DEBUG( "buffer status idx : %d used: %d\n", i - 9, temp[i]);
+	}
+}
+
+static drm_buf_t *i830_freelist_get(drm_device_t *dev)
+{
+   	drm_device_dma_t *dma = dev->dma;
+	int		 i;
+   	int 		 used;
+   
+	/* Linear search might not be the best solution */
+
+   	for (i = 0; i < dma->buf_count; i++) {
+	   	drm_buf_t *buf = dma->buflist[ i ];
+	   	drm_i830_buf_priv_t *buf_priv = buf->dev_private;
+		/* In use is already a pointer */
+	   	used = cmpxchg(buf_priv->in_use, I830_BUF_FREE, 
+			       I830_BUF_CLIENT);
+	   	if(used == I830_BUF_FREE) {
+			return buf;
+		}
+	}
+   	return NULL;
+}
+
+/* This should only be called if the buffer is not sent to the hardware
+ * yet, the hardware updates in use for us once its on the ring buffer.
+ */
+
+static int i830_freelist_put(drm_device_t *dev, drm_buf_t *buf)
+{
+   	drm_i830_buf_priv_t *buf_priv = buf->dev_private;
+   	int used;
+   
+   	/* In use is already a pointer */
+   	used = cmpxchg(buf_priv->in_use, I830_BUF_CLIENT, I830_BUF_FREE);
+   	if(used != I830_BUF_CLIENT) {
+	   	DRM_ERROR("Freeing buffer thats not in use : %d\n", buf->idx);
+	   	return -EINVAL;
+	}
+   
+   	return 0;
+}
+
+static struct file_operations i830_buffer_fops = {
+	open:	 DRM(open),
+	flush:	 DRM(flush),
+	release: DRM(release),
+	ioctl:	 DRM(ioctl),
+	mmap:	 i830_mmap_buffers,
+	read:	 DRM(read),
+	fasync:	 DRM(fasync),
+      	poll:	 DRM(poll),
+};
+
+int i830_mmap_buffers(struct file *filp, struct vm_area_struct *vma)
+{
+	drm_file_t	    *priv	  = filp->private_data;
+	drm_device_t	    *dev;
+	drm_i830_private_t  *dev_priv;
+	drm_buf_t           *buf;
+	drm_i830_buf_priv_t *buf_priv;
+
+	lock_kernel();
+	dev	 = priv->dev;
+	dev_priv = dev->dev_private;
+	buf      = dev_priv->mmap_buffer;
+	buf_priv = buf->dev_private;
+   
+	vma->vm_flags |= (VM_IO | VM_DONTCOPY);
+	vma->vm_file = filp;
+   
+   	buf_priv->currently_mapped = I830_BUF_MAPPED;
+	unlock_kernel();
+
+	if (remap_page_range(vma->vm_start,
+			     VM_OFFSET(vma),
+			     vma->vm_end - vma->vm_start,
+			     vma->vm_page_prot)) return -EAGAIN;
+	return 0;
+}
+
+static int i830_map_buffer(drm_buf_t *buf, struct file *filp)
+{
+	drm_file_t	  *priv	  = filp->private_data;
+	drm_device_t	  *dev	  = priv->dev;
+	drm_i830_buf_priv_t *buf_priv = buf->dev_private;
+      	drm_i830_private_t *dev_priv = dev->dev_private;
+   	struct file_operations *old_fops;
+	int retcode = 0;
+
+	if(buf_priv->currently_mapped == I830_BUF_MAPPED) return -EINVAL;
+
+	if(VM_DONTCOPY != 0) {
+#if LINUX_VERSION_CODE <= 0x020402
+		down( &current->mm->mmap_sem );
+#else
+		down_write( &current->mm->mmap_sem );
+#endif
+		old_fops = filp->f_op;
+		filp->f_op = &i830_buffer_fops;
+		dev_priv->mmap_buffer = buf;
+		buf_priv->virtual = (void *)do_mmap(filp, 0, buf->total, 
+						    PROT_READ|PROT_WRITE,
+						    MAP_SHARED, 
+						    buf->bus_address);
+		dev_priv->mmap_buffer = NULL;
+   		filp->f_op = old_fops;
+		if ((unsigned long)buf_priv->virtual > -1024UL) {
+			/* Real error */
+			DRM_DEBUG("mmap error\n");
+			retcode = (signed int)buf_priv->virtual;
+			buf_priv->virtual = 0;
+		}
+#if LINUX_VERSION_CODE <= 0x020402
+		up( &current->mm->mmap_sem );
+#else
+		up_write( &current->mm->mmap_sem );
+#endif
+	} else {
+		buf_priv->virtual = buf_priv->kernel_virtual;
+   		buf_priv->currently_mapped = I830_BUF_MAPPED;
+	}
+	return retcode;
+}
+
+static int i830_unmap_buffer(drm_buf_t *buf)
+{
+	drm_i830_buf_priv_t *buf_priv = buf->dev_private;
+	int retcode = 0;
+
+	if(VM_DONTCOPY != 0) {
+		if(buf_priv->currently_mapped != I830_BUF_MAPPED) 
+			return -EINVAL;
+#if LINUX_VERSION_CODE <= 0x020402
+		down( &current->mm->mmap_sem );
+#else
+		down_write( &current->mm->mmap_sem );
+#endif
+#if LINUX_VERSION_CODE < 0x020399
+        	retcode = do_munmap((unsigned long)buf_priv->virtual, 
+				    (size_t) buf->total);
+#else
+        	retcode = do_munmap(current->mm, 
+				    (unsigned long)buf_priv->virtual, 
+				    (size_t) buf->total);
+#endif
+#if LINUX_VERSION_CODE <= 0x020402
+		up( &current->mm->mmap_sem );
+#else
+   		up_write( &current->mm->mmap_sem );
+#endif
+	}
+   	buf_priv->currently_mapped = I830_BUF_UNMAPPED;
+   	buf_priv->virtual = 0;
+
+	return retcode;
+}
+
+static int i830_dma_get_buffer(drm_device_t *dev, drm_i830_dma_t *d, 
+			       struct file *filp)
+{
+	drm_file_t	  *priv	  = filp->private_data;
+	drm_buf_t	  *buf;
+	drm_i830_buf_priv_t *buf_priv;
+	int retcode = 0;
+
+	buf = i830_freelist_get(dev);
+	if (!buf) {
+		retcode = -ENOMEM;
+	   	DRM_DEBUG("retcode=%d\n", retcode);
+		return retcode;
+	}
+   
+	retcode = i830_map_buffer(buf, filp);
+	if(retcode) {
+		i830_freelist_put(dev, buf);
+	   	DRM_DEBUG("mapbuf failed, retcode %d\n", retcode);
+		return retcode;
+	}
+	buf->pid     = priv->pid;
+	buf_priv = buf->dev_private;	
+	d->granted = 1;
+   	d->request_idx = buf->idx;
+   	d->request_size = buf->total;
+   	d->virtual = buf_priv->virtual;
+
+	return retcode;
+}
+
+static unsigned long i830_alloc_page(drm_device_t *dev)
+{
+	unsigned long address;
+   
+	address = __get_free_page(GFP_KERNEL);
+	if(address == 0UL) 
+		return 0;
+	
+	atomic_inc(&virt_to_page(address)->count);
+	set_bit(PG_locked, &virt_to_page(address)->flags);
+   
+	return address;
+}
+
+static void i830_free_page(drm_device_t *dev, unsigned long page)
+{
+	if(page == 0UL) 
+		return;
+	
+	atomic_dec(&virt_to_page(page)->count);
+	clear_bit(PG_locked, &virt_to_page(page)->flags);
+	wake_up(&virt_to_page(page)->wait);
+	free_page(page);
+	return;
+}
+
+static int i830_dma_cleanup(drm_device_t *dev)
+{
+	drm_device_dma_t *dma = dev->dma;
+
+	if(dev->dev_private) {
+		int i;
+	   	drm_i830_private_t *dev_priv = 
+	     		(drm_i830_private_t *) dev->dev_private;
+	   
+	   	if(dev_priv->ring.virtual_start) {
+		   	DRM(ioremapfree)((void *) dev_priv->ring.virtual_start,
+					 dev_priv->ring.Size);
+		}
+	   	if(dev_priv->hw_status_page != 0UL) {
+		   	i830_free_page(dev, dev_priv->hw_status_page);
+		   	/* Need to rewrite hardware status page */
+		   	I830_WRITE(0x02080, 0x1ffff000);
+		}
+	   	DRM(free)(dev->dev_private, sizeof(drm_i830_private_t), 
+			 DRM_MEM_DRIVER);
+	   	dev->dev_private = NULL;
+
+		for (i = 0; i < dma->buf_count; i++) {
+			drm_buf_t *buf = dma->buflist[ i ];
+			drm_i830_buf_priv_t *buf_priv = buf->dev_private;
+			DRM(ioremapfree)(buf_priv->kernel_virtual, buf->total);
+		}
+	}
+   	return 0;
+}
+
+static int i830_wait_ring(drm_device_t *dev, int n)
+{
+   	drm_i830_private_t *dev_priv = dev->dev_private;
+   	drm_i830_ring_buffer_t *ring = &(dev_priv->ring);
+   	int iters = 0;
+   	unsigned long end;
+	unsigned int last_head = I830_READ(LP_RING + RING_HEAD) & HEAD_ADDR;
+
+	end = jiffies + (HZ*3);
+   	while (ring->space < n) {
+	   	int i;
+	
+	   	ring->head = I830_READ(LP_RING + RING_HEAD) & HEAD_ADDR;
+	   	ring->space = ring->head - (ring->tail+8);
+		if (ring->space < 0) ring->space += ring->Size;
+	   
+		if (ring->head != last_head) {
+			end = jiffies + (HZ*3);
+			last_head = ring->head;
+		}
+	  
+	   	iters++;
+		if((signed)(end - jiffies) <= 0) {
+		   	DRM_ERROR("space: %d wanted %d\n", ring->space, n);
+		   	DRM_ERROR("lockup\n");
+		   	goto out_wait_ring;
+		}
+
+	   	for (i = 0 ; i < 2000 ; i++) ;
+	}
+
+out_wait_ring:   
+   	return iters;
+}
+
+static void i830_kernel_lost_context(drm_device_t *dev)
+{
+      	drm_i830_private_t *dev_priv = dev->dev_private;
+   	drm_i830_ring_buffer_t *ring = &(dev_priv->ring);
+      
+   	ring->head = I830_READ(LP_RING + RING_HEAD) & HEAD_ADDR;
+     	ring->tail = I830_READ(LP_RING + RING_TAIL);
+     	ring->space = ring->head - (ring->tail+8);
+     	if (ring->space < 0) ring->space += ring->Size;
+}
+
+static int i830_freelist_init(drm_device_t *dev, drm_i830_private_t *dev_priv)
+{
+      	drm_device_dma_t *dma = dev->dma;
+   	int my_idx = 36;
+   	u32 *hw_status = (u32 *)(dev_priv->hw_status_page + my_idx);
+   	int i;
+
+   	if(dma->buf_count > 1019) {
+	   	/* Not enough space in the status page for the freelist */
+	   	return -EINVAL;
+	}
+
+   	for (i = 0; i < dma->buf_count; i++) {
+	   	drm_buf_t *buf = dma->buflist[ i ];
+	   	drm_i830_buf_priv_t *buf_priv = buf->dev_private;
+
+	   	buf_priv->in_use = hw_status++;
+	   	buf_priv->my_use_idx = my_idx;
+	   	my_idx += 4;
+
+	   	*buf_priv->in_use = I830_BUF_FREE;
+
+		buf_priv->kernel_virtual = DRM(ioremap)(buf->bus_address, 
+							buf->total);
+	}
+	return 0;
+}
+
+static int i830_dma_initialize(drm_device_t *dev, 
+			       drm_i830_private_t *dev_priv,
+			       drm_i830_init_t *init)
+{
+	struct list_head *list;
+
+   	memset(dev_priv, 0, sizeof(drm_i830_private_t));
+
+	list_for_each(list, &dev->maplist->head) {
+		drm_map_list_t *r_list = (drm_map_list_t *)list;
+		if( r_list->map &&
+		    r_list->map->type == _DRM_SHM &&
+		    r_list->map->flags & _DRM_CONTAINS_LOCK ) {
+			dev_priv->sarea_map = r_list->map;
+ 			break;
+ 		}
+ 	}
+
+	if(!dev_priv->sarea_map) {
+		dev->dev_private = (void *)dev_priv;
+		i830_dma_cleanup(dev);
+		DRM_ERROR("can not find sarea!\n");
+		return -EINVAL;
+	}
+	DRM_FIND_MAP( dev_priv->mmio_map, init->mmio_offset );
+	if(!dev_priv->mmio_map) {
+		dev->dev_private = (void *)dev_priv;
+		i830_dma_cleanup(dev);
+		DRM_ERROR("can not find mmio map!\n");
+		return -EINVAL;
+	}
+	DRM_FIND_MAP( dev_priv->buffer_map, init->buffers_offset );
+	if(!dev_priv->buffer_map) {
+		dev->dev_private = (void *)dev_priv;
+		i830_dma_cleanup(dev);
+		DRM_ERROR("can not find dma buffer map!\n");
+		return -EINVAL;
+	}
+
+	dev_priv->sarea_priv = (drm_i830_sarea_t *)
+		((u8 *)dev_priv->sarea_map->handle +
+		 init->sarea_priv_offset);
+
+   	atomic_set(&dev_priv->flush_done, 0);
+	init_waitqueue_head(&dev_priv->flush_queue);
+
+   	dev_priv->ring.Start = init->ring_start;
+   	dev_priv->ring.End = init->ring_end;
+   	dev_priv->ring.Size = init->ring_size;
+
+   	dev_priv->ring.virtual_start = DRM(ioremap)(dev->agp->base + 
+						    init->ring_start, 
+						    init->ring_size);
+
+   	if (dev_priv->ring.virtual_start == NULL) {
+		dev->dev_private = (void *) dev_priv;
+	   	i830_dma_cleanup(dev);
+	   	DRM_ERROR("can not ioremap virtual address for"
+			  " ring buffer\n");
+	   	return -ENOMEM;
+	}
+
+   	dev_priv->ring.tail_mask = dev_priv->ring.Size - 1;
+   
+	dev_priv->w = init->w;
+	dev_priv->h = init->h;
+	dev_priv->pitch = init->pitch;
+	dev_priv->back_offset = init->back_offset;
+	dev_priv->depth_offset = init->depth_offset;
+
+	dev_priv->front_di1 = init->front_offset | init->pitch_bits;
+	dev_priv->back_di1 = init->back_offset | init->pitch_bits;
+	dev_priv->zi1 = init->depth_offset | init->pitch_bits;
+
+	dev_priv->cpp = init->cpp;
+	/* We are using seperate values as placeholders for mechanisms for
+	 * private backbuffer/depthbuffer usage.
+	 */
+
+	dev_priv->back_pitch = init->back_pitch;
+	dev_priv->depth_pitch = init->depth_pitch;
+
+   	/* Program Hardware Status Page */
+   	dev_priv->hw_status_page = i830_alloc_page(dev);
+   	if(dev_priv->hw_status_page == 0UL) {
+		dev->dev_private = (void *)dev_priv;
+		i830_dma_cleanup(dev);
+		DRM_ERROR("Can not allocate hardware status page\n");
+		return -ENOMEM;
+	}
+   	memset((void *) dev_priv->hw_status_page, 0, PAGE_SIZE);
+	DRM_DEBUG("hw status page @ %lx\n", dev_priv->hw_status_page);
+   
+   	I830_WRITE(0x02080, virt_to_bus((void *)dev_priv->hw_status_page));
+	DRM_DEBUG("Enabled hardware status page\n");
+   
+   	/* Now we need to init our freelist */
+   	if(i830_freelist_init(dev, dev_priv) != 0) {
+		dev->dev_private = (void *)dev_priv;
+	   	i830_dma_cleanup(dev);
+	   	DRM_ERROR("Not enough space in the status page for"
+			  " the freelist\n");
+	   	return -ENOMEM;
+	}
+	dev->dev_private = (void *)dev_priv;
+
+   	return 0;
+}
+
+int i830_dma_init(struct inode *inode, struct file *filp,
+		  unsigned int cmd, unsigned long arg)
+{
+   	drm_file_t *priv = filp->private_data;
+   	drm_device_t *dev = priv->dev;
+   	drm_i830_private_t *dev_priv;
+   	drm_i830_init_t init;
+   	int retcode = 0;
+	
+  	if (copy_from_user(&init, (drm_i830_init_t *)arg, sizeof(init)))
+		return -EFAULT;
+	
+   	switch(init.func) {
+	 	case I830_INIT_DMA:
+			dev_priv = DRM(alloc)(sizeof(drm_i830_private_t), 
+					      DRM_MEM_DRIVER);
+	   		if(dev_priv == NULL) return -ENOMEM;
+	   		retcode = i830_dma_initialize(dev, dev_priv, &init);
+	   	break;
+	 	case I830_CLEANUP_DMA:
+	   		retcode = i830_dma_cleanup(dev);
+	   	break;
+	 	default:
+	   		retcode = -EINVAL;
+	   	break;
+	}
+   
+   	return retcode;
+}
+
+/* Most efficient way to verify state for the i830 is as it is
+ * emitted.  Non-conformant state is silently dropped.
+ *
+ * Use 'volatile' & local var tmp to force the emitted values to be
+ * identical to the verified ones.
+ */
+static void i830EmitContextVerified( drm_device_t *dev, 
+				     volatile unsigned int *code )
+{
+   	drm_i830_private_t *dev_priv = dev->dev_private;
+	int i, j = 0;
+	unsigned int tmp;
+	RING_LOCALS;
+
+	BEGIN_LP_RING( I830_CTX_SETUP_SIZE );
+	for ( i = 0 ; i < I830_CTX_SETUP_SIZE ; i++ ) {
+		tmp = code[i];
+
+#if 0
+		if ((tmp & (7<<29)) == (3<<29) &&
+		    (tmp & (0x1f<<24)) < (0x1d<<24)) {
+			OUT_RING( tmp ); 
+			j++;
+		} else {
+			printk("Skipping %d\n", i);
+		}
+#else
+		OUT_RING( tmp ); 
+		j++;
+#endif
+	}
+
+	if (j & 1) 
+		OUT_RING( 0 ); 
+
+	ADVANCE_LP_RING();
+}
+
+static void i830EmitTexVerified( drm_device_t *dev, 
+				 volatile unsigned int *code ) 
+{
+   	drm_i830_private_t *dev_priv = dev->dev_private;
+	int i, j = 0;
+	unsigned int tmp;
+	RING_LOCALS;
+
+	BEGIN_LP_RING( I830_TEX_SETUP_SIZE );
+
+	OUT_RING( GFX_OP_MAP_INFO );
+	OUT_RING( code[I830_TEXREG_MI1] );
+	OUT_RING( code[I830_TEXREG_MI2] );
+	OUT_RING( code[I830_TEXREG_MI3] );
+	OUT_RING( code[I830_TEXREG_MI4] );
+	OUT_RING( code[I830_TEXREG_MI5] );
+
+	for ( i = 6 ; i < I830_TEX_SETUP_SIZE ; i++ ) {
+		tmp = code[i];
+		OUT_RING( tmp ); 
+		j++;
+	} 
+
+	if (j & 1) 
+		OUT_RING( 0 ); 
+
+	ADVANCE_LP_RING();
+}
+
+static void i830EmitTexBlendVerified( drm_device_t *dev, 
+				     volatile unsigned int *code,
+				     volatile unsigned int num)
+{
+   	drm_i830_private_t *dev_priv = dev->dev_private;
+	int i, j = 0;
+	unsigned int tmp;
+	RING_LOCALS;
+
+	BEGIN_LP_RING( num );
+
+	for ( i = 0 ; i < num ; i++ ) {
+		tmp = code[i];
+		OUT_RING( tmp );
+		j++;
+	}
+
+	if (j & 1) 
+		OUT_RING( 0 ); 
+
+	ADVANCE_LP_RING();
+}
+
+static void i830EmitTexPalette( drm_device_t *dev,
+			        unsigned int *palette,
+			        int number,
+			        int is_shared )
+{
+   	drm_i830_private_t *dev_priv = dev->dev_private;
+	int i;
+	RING_LOCALS;
+
+	BEGIN_LP_RING( 258 );
+
+	if(is_shared == 1) {
+		OUT_RING(CMD_OP_MAP_PALETTE_LOAD |
+			 MAP_PALETTE_NUM(0) |
+			 MAP_PALETTE_BOTH);
+	} else {
+		OUT_RING(CMD_OP_MAP_PALETTE_LOAD | MAP_PALETTE_NUM(number));
+	}
+	for(i = 0; i < 256; i++) {
+		OUT_RING(palette[i]);
+	}
+	OUT_RING(0);
+}
+
+/* Need to do some additional checking when setting the dest buffer.
+ */
+static void i830EmitDestVerified( drm_device_t *dev, 
+				  volatile unsigned int *code ) 
+{	
+   	drm_i830_private_t *dev_priv = dev->dev_private;
+	unsigned int tmp;
+	RING_LOCALS;
+
+	BEGIN_LP_RING( I830_DEST_SETUP_SIZE + 6 );
+
+	tmp = code[I830_DESTREG_CBUFADDR];
+	if (tmp == dev_priv->front_di1) {
+		/* Don't use fence when front buffer rendering */
+		OUT_RING( CMD_OP_DESTBUFFER_INFO );
+		OUT_RING( BUF_3D_ID_COLOR_BACK | 
+			  BUF_3D_PITCH(dev_priv->back_pitch * dev_priv->cpp) );
+		OUT_RING( tmp );
+
+		OUT_RING( CMD_OP_DESTBUFFER_INFO );
+		OUT_RING( BUF_3D_ID_DEPTH |
+			  BUF_3D_PITCH(dev_priv->depth_pitch * dev_priv->cpp));
+		OUT_RING( dev_priv->zi1 );
+	} else if(tmp == dev_priv->back_di1) {
+		OUT_RING( CMD_OP_DESTBUFFER_INFO );
+		OUT_RING( BUF_3D_ID_COLOR_BACK | 
+			  BUF_3D_PITCH(dev_priv->back_pitch * dev_priv->cpp) |
+			  BUF_3D_USE_FENCE);
+		OUT_RING( tmp );
+
+		OUT_RING( CMD_OP_DESTBUFFER_INFO );
+		OUT_RING( BUF_3D_ID_DEPTH | BUF_3D_USE_FENCE | 
+			  BUF_3D_PITCH(dev_priv->depth_pitch * dev_priv->cpp));
+		OUT_RING( dev_priv->zi1 );
+	} else {
+		DRM_DEBUG("bad di1 %x (allow %x or %x)\n",
+			  tmp, dev_priv->front_di1, dev_priv->back_di1);
+	}
+
+	/* invarient:
+	 */
+
+
+	OUT_RING( GFX_OP_DESTBUFFER_VARS );
+	OUT_RING( code[I830_DESTREG_DV1] );
+
+	OUT_RING( GFX_OP_DRAWRECT_INFO );
+	OUT_RING( code[I830_DESTREG_DR1] );
+	OUT_RING( code[I830_DESTREG_DR2] );
+	OUT_RING( code[I830_DESTREG_DR3] );
+	OUT_RING( code[I830_DESTREG_DR4] );
+
+	/* Need to verify this */
+	tmp = code[I830_DESTREG_SENABLE];
+	if((tmp & ~0x3) == GFX_OP_SCISSOR_ENABLE) {
+		OUT_RING( tmp );
+	} else {
+		DRM_DEBUG("bad scissor enable\n");
+		OUT_RING( 0 );
+	}
+
+	OUT_RING( code[I830_DESTREG_SENABLE] );
+
+	OUT_RING( GFX_OP_SCISSOR_RECT );
+	OUT_RING( code[I830_DESTREG_SR1] );
+	OUT_RING( code[I830_DESTREG_SR2] );
+
+	ADVANCE_LP_RING();
+}
+
+static void i830EmitState( drm_device_t *dev )
+{
+   	drm_i830_private_t *dev_priv = dev->dev_private;
+      	drm_i830_sarea_t *sarea_priv = dev_priv->sarea_priv;
+	unsigned int dirty = sarea_priv->dirty;
+
+	if (dirty & I830_UPLOAD_BUFFERS) {
+		i830EmitDestVerified( dev, sarea_priv->BufferState );
+		sarea_priv->dirty &= ~I830_UPLOAD_BUFFERS;
+	}
+
+	if (dirty & I830_UPLOAD_CTX) {
+		i830EmitContextVerified( dev, sarea_priv->ContextState );
+		sarea_priv->dirty &= ~I830_UPLOAD_CTX;
+	}
+
+	if (dirty & I830_UPLOAD_TEX0) {
+		i830EmitTexVerified( dev, sarea_priv->TexState[0] );
+		sarea_priv->dirty &= ~I830_UPLOAD_TEX0;
+	}
+
+	if (dirty & I830_UPLOAD_TEX1) {
+		i830EmitTexVerified( dev, sarea_priv->TexState[1] );
+		sarea_priv->dirty &= ~I830_UPLOAD_TEX1;
+	}
+
+	if (dirty & I830_UPLOAD_TEXBLEND0) {
+		i830EmitTexBlendVerified( dev, sarea_priv->TexBlendState[0],
+				sarea_priv->TexBlendStateWordsUsed[0]);
+		sarea_priv->dirty &= ~I830_UPLOAD_TEXBLEND0;
+	}
+
+	if (dirty & I830_UPLOAD_TEXBLEND1) {
+		i830EmitTexBlendVerified( dev, sarea_priv->TexBlendState[1],
+				sarea_priv->TexBlendStateWordsUsed[1]);
+		sarea_priv->dirty &= ~I830_UPLOAD_TEXBLEND1;
+	}
+
+	if (dirty & I830_UPLOAD_TEX_PALETTE_SHARED) {
+	   i830EmitTexPalette(dev, sarea_priv->Palette[0], 0, 1);
+	} else {
+	   if (dirty & I830_UPLOAD_TEX_PALETTE_N(0)) {
+	      i830EmitTexPalette(dev, sarea_priv->Palette[0], 0, 0);
+	      sarea_priv->dirty &= ~I830_UPLOAD_TEX_PALETTE_N(0);
+	   }
+	   if (dirty & I830_UPLOAD_TEX_PALETTE_N(1)) {
+	      i830EmitTexPalette(dev, sarea_priv->Palette[1], 1, 0);
+	      sarea_priv->dirty &= ~I830_UPLOAD_TEX_PALETTE_N(1);
+	   }
+	}
+}
+
+static void i830_dma_dispatch_clear( drm_device_t *dev, int flags, 
+				    unsigned int clear_color,
+				    unsigned int clear_zval,
+				    unsigned int clear_depthmask)
+{
+   	drm_i830_private_t *dev_priv = dev->dev_private;
+      	drm_i830_sarea_t *sarea_priv = dev_priv->sarea_priv;
+	int nbox = sarea_priv->nbox;
+	drm_clip_rect_t *pbox = sarea_priv->boxes;
+	int pitch = dev_priv->pitch;
+	int cpp = dev_priv->cpp;
+	int i;
+	unsigned int BR13, CMD, D_CMD;
+	RING_LOCALS;
+
+  	i830_kernel_lost_context(dev);
+
+	switch(cpp) {
+	case 2: 
+		BR13 = (0xF0 << 16) | (pitch * cpp) | (1<<24);
+		D_CMD = CMD = XY_COLOR_BLT_CMD;
+		break;
+	case 4:
+		BR13 = (0xF0 << 16) | (pitch * cpp) | (1<<24) | (1<<25);
+		CMD = (XY_COLOR_BLT_CMD | XY_COLOR_BLT_WRITE_ALPHA | 
+		       XY_COLOR_BLT_WRITE_RGB);
+		D_CMD = XY_COLOR_BLT_CMD;
+		if(clear_depthmask & 0x00ffffff)
+			D_CMD |= XY_COLOR_BLT_WRITE_RGB;
+		if(clear_depthmask & 0xff000000)
+			D_CMD |= XY_COLOR_BLT_WRITE_ALPHA;
+		break;
+	default:
+		BR13 = (0xF0 << 16) | (pitch * cpp) | (1<<24);
+		D_CMD = CMD = XY_COLOR_BLT_CMD;
+		break;
+	}
+
+      	if (nbox > I830_NR_SAREA_CLIPRECTS)
+     		nbox = I830_NR_SAREA_CLIPRECTS;
+
+	for (i = 0 ; i < nbox ; i++, pbox++) {
+		if (pbox->x1 > pbox->x2 ||
+		    pbox->y1 > pbox->y2 ||
+		    pbox->x2 > dev_priv->w ||
+		    pbox->y2 > dev_priv->h)
+			continue;
+
+	   	if ( flags & I830_FRONT ) {	    
+		   	DRM_DEBUG("clear front\n");
+			BEGIN_LP_RING( 6 );	    
+			OUT_RING( CMD );
+			OUT_RING( BR13 );
+			OUT_RING( (pbox->y1 << 16) | pbox->x1 );
+			OUT_RING( (pbox->y2 << 16) | pbox->x2 );
+			OUT_RING( 0 );
+			OUT_RING( clear_color );
+			ADVANCE_LP_RING();
+		}
+
+		if ( flags & I830_BACK ) {
+			DRM_DEBUG("clear back\n");
+			BEGIN_LP_RING( 6 );	    
+			OUT_RING( CMD );
+			OUT_RING( BR13 );
+			OUT_RING( (pbox->y1 << 16) | pbox->x1 );
+			OUT_RING( (pbox->y2 << 16) | pbox->x2 );
+			OUT_RING( dev_priv->back_offset );
+			OUT_RING( clear_color );
+			ADVANCE_LP_RING();
+		}
+
+		if ( flags & I830_DEPTH ) {
+			DRM_DEBUG("clear depth\n");
+			BEGIN_LP_RING( 6 );
+			OUT_RING( D_CMD );
+			OUT_RING( BR13 );
+			OUT_RING( (pbox->y1 << 16) | pbox->x1 );
+			OUT_RING( (pbox->y2 << 16) | pbox->x2 );
+			OUT_RING( dev_priv->depth_offset );
+			OUT_RING( clear_zval );
+			ADVANCE_LP_RING();
+		}
+	}
+}
+
+static void i830_dma_dispatch_swap( drm_device_t *dev )
+{
+   	drm_i830_private_t *dev_priv = dev->dev_private;
+      	drm_i830_sarea_t *sarea_priv = dev_priv->sarea_priv;
+	int nbox = sarea_priv->nbox;
+	drm_clip_rect_t *pbox = sarea_priv->boxes;
+	int pitch = dev_priv->pitch;
+	int cpp = dev_priv->cpp;
+	int ofs = dev_priv->back_offset;
+	int i;
+	unsigned int CMD, BR13;
+	RING_LOCALS;
+
+	DRM_DEBUG("swapbuffers\n");
+
+	switch(cpp) {
+	case 2: 
+		BR13 = (pitch * cpp) | (0xCC << 16) | (1<<24);
+		CMD = XY_SRC_COPY_BLT_CMD;
+		break;
+	case 4:
+		BR13 = (pitch * cpp) | (0xCC << 16) | (1<<24) | (1<<25);
+		CMD = (XY_SRC_COPY_BLT_CMD | XY_SRC_COPY_BLT_WRITE_ALPHA |
+		       XY_SRC_COPY_BLT_WRITE_RGB);
+		break;
+	default:
+		BR13 = (pitch * cpp) | (0xCC << 16) | (1<<24);
+		CMD = XY_SRC_COPY_BLT_CMD;
+		break;
+	}
+
+  	i830_kernel_lost_context(dev);
+
+      	if (nbox > I830_NR_SAREA_CLIPRECTS)
+     		nbox = I830_NR_SAREA_CLIPRECTS;
+
+	for (i = 0 ; i < nbox; i++, pbox++) 
+	{
+		if (pbox->x1 > pbox->x2 ||
+		    pbox->y1 > pbox->y2 ||
+		    pbox->x2 > dev_priv->w ||
+		    pbox->y2 > dev_priv->h)
+			continue;
+ 
+		DRM_DEBUG("dispatch swap %d,%d-%d,%d!\n",
+			  pbox->x1, pbox->y1,
+			  pbox->x2, pbox->y2);
+
+		BEGIN_LP_RING( 8 );
+		OUT_RING( CMD );
+		OUT_RING( BR13 );
+
+		OUT_RING( (pbox->y1 << 16) |
+			  pbox->x1 );
+		OUT_RING( (pbox->y2 << 16) |
+			  pbox->x2 );
+
+		OUT_RING( 0 /* front ofs always zero */ );
+		OUT_RING( (pbox->y1 << 16) |
+			  pbox->x1 );
+
+		OUT_RING( BR13 & 0xffff );
+		OUT_RING( ofs );
+
+		ADVANCE_LP_RING();
+	}
+}
+
+
+static void i830_dma_dispatch_vertex(drm_device_t *dev, 
+				     drm_buf_t *buf,
+				     int discard,
+				     int used)
+{
+   	drm_i830_private_t *dev_priv = dev->dev_private;
+	drm_i830_buf_priv_t *buf_priv = buf->dev_private;
+   	drm_i830_sarea_t *sarea_priv = dev_priv->sarea_priv;
+   	drm_clip_rect_t *box = sarea_priv->boxes;
+   	int nbox = sarea_priv->nbox;
+	unsigned long address = (unsigned long)buf->bus_address;
+	unsigned long start = address - dev->agp->base;     
+	int i = 0, u;
+   	RING_LOCALS;
+
+   	i830_kernel_lost_context(dev);
+
+   	if (nbox > I830_NR_SAREA_CLIPRECTS) 
+		nbox = I830_NR_SAREA_CLIPRECTS;
+
+	if (discard) {
+		u = cmpxchg(buf_priv->in_use, I830_BUF_CLIENT, 
+			    I830_BUF_HARDWARE);
+		if(u != I830_BUF_CLIENT) {
+			DRM_DEBUG("xxxx 2\n");
+		}
+	}
+
+	if (used > 4*1024) 
+		used = 0;
+
+	if (sarea_priv->dirty)
+	   i830EmitState( dev );
+
+  	DRM_DEBUG("dispatch vertex addr 0x%lx, used 0x%x nbox %d\n", 
+		  address, used, nbox);
+
+   	dev_priv->counter++;
+   	DRM_DEBUG(  "dispatch counter : %ld\n", dev_priv->counter);
+   	DRM_DEBUG(  "i830_dma_dispatch\n");
+   	DRM_DEBUG(  "start : %lx\n", start);
+	DRM_DEBUG(  "used : %d\n", used);
+   	DRM_DEBUG(  "start + used - 4 : %ld\n", start + used - 4);
+
+	if (buf_priv->currently_mapped == I830_BUF_MAPPED) {
+		*(u32 *)buf_priv->virtual = (GFX_OP_PRIMITIVE |
+					     sarea_priv->vertex_prim |
+					     ((used/4)-2));
+		
+		if (used & 4) {
+			*(u32 *)((u32)buf_priv->virtual + used) = 0;
+			used += 4;
+		}
+
+		i830_unmap_buffer(buf);
+	}
+		   
+	if (used) {
+		do {
+			if (i < nbox) {
+				BEGIN_LP_RING(6);
+				OUT_RING( GFX_OP_DRAWRECT_INFO );
+				OUT_RING( sarea_priv->BufferState[I830_DESTREG_DR1] );
+				OUT_RING( box[i].x1 | (box[i].y1<<16) );
+				OUT_RING( box[i].x2 | (box[i].y2<<16) );
+				OUT_RING( sarea_priv->BufferState[I830_DESTREG_DR4] );
+				OUT_RING( 0 );
+				ADVANCE_LP_RING();
+			}
+
+			BEGIN_LP_RING(4);
+
+			OUT_RING( MI_BATCH_BUFFER );
+			OUT_RING( start | MI_BATCH_NON_SECURE );
+			OUT_RING( start + used - 4 );
+			OUT_RING( 0 );
+			ADVANCE_LP_RING();
+			
+		} while (++i < nbox);
+	}
+
+	BEGIN_LP_RING(10);
+	OUT_RING( CMD_STORE_DWORD_IDX );
+	OUT_RING( 20 );
+	OUT_RING( dev_priv->counter );
+	OUT_RING( 0 );
+
+	if (discard) {
+		OUT_RING( CMD_STORE_DWORD_IDX );
+		OUT_RING( buf_priv->my_use_idx );
+		OUT_RING( I830_BUF_FREE );
+		OUT_RING( 0 );
+	}
+
+      	OUT_RING( CMD_REPORT_HEAD );
+	OUT_RING( 0 );
+   	ADVANCE_LP_RING();
+}
+
+/* Interrupts are only for flushing */
+void i830_dma_service(int irq, void *device, struct pt_regs *regs)
+{
+	drm_device_t	 *dev = (drm_device_t *)device;
+      	drm_i830_private_t *dev_priv = (drm_i830_private_t *)dev->dev_private;
+   	u16 temp;
+   
+      	temp = I830_READ16(I830REG_INT_IDENTITY_R);
+   	temp = temp & ~(0x6000);
+   	if(temp != 0) I830_WRITE16(I830REG_INT_IDENTITY_R, 
+				   temp); /* Clear all interrupts */
+	else
+	   return;
+ 
+   	queue_task(&dev->tq, &tq_immediate);
+   	mark_bh(IMMEDIATE_BH);
+}
+
+void DRM(dma_immediate_bh)(void *device)
+{
+	drm_device_t *dev = (drm_device_t *) device;
+      	drm_i830_private_t *dev_priv = (drm_i830_private_t *)dev->dev_private;
+
+   	atomic_set(&dev_priv->flush_done, 1);
+   	wake_up_interruptible(&dev_priv->flush_queue);
+}
+
+static inline void i830_dma_emit_flush(drm_device_t *dev)
+{
+   	drm_i830_private_t *dev_priv = dev->dev_private;
+   	RING_LOCALS;
+
+   	i830_kernel_lost_context(dev);
+
+   	BEGIN_LP_RING(2);
+      	OUT_RING( CMD_REPORT_HEAD );
+      	OUT_RING( GFX_OP_USER_INTERRUPT );
+      	ADVANCE_LP_RING();
+
+	i830_wait_ring( dev, dev_priv->ring.Size - 8 );
+	atomic_set(&dev_priv->flush_done, 1);
+	wake_up_interruptible(&dev_priv->flush_queue);
+}
+
+static inline void i830_dma_quiescent_emit(drm_device_t *dev)
+{
+      	drm_i830_private_t *dev_priv = dev->dev_private;
+   	RING_LOCALS;
+
+  	i830_kernel_lost_context(dev);
+
+   	BEGIN_LP_RING(4);
+   	OUT_RING( INST_PARSER_CLIENT | INST_OP_FLUSH | INST_FLUSH_MAP_CACHE );
+   	OUT_RING( CMD_REPORT_HEAD );
+      	OUT_RING( 0 );
+      	OUT_RING( GFX_OP_USER_INTERRUPT );
+   	ADVANCE_LP_RING();
+
+	i830_wait_ring( dev, dev_priv->ring.Size - 8 );
+	atomic_set(&dev_priv->flush_done, 1);
+	wake_up_interruptible(&dev_priv->flush_queue);
+}
+
+void i830_dma_quiescent(drm_device_t *dev)
+{
+      	DECLARE_WAITQUEUE(entry, current);
+  	drm_i830_private_t *dev_priv = (drm_i830_private_t *)dev->dev_private;
+	unsigned long end;      
+
+   	if(dev_priv == NULL) {
+	   	return;
+	}
+      	atomic_set(&dev_priv->flush_done, 0);
+   	add_wait_queue(&dev_priv->flush_queue, &entry);
+   	end = jiffies + (HZ*3);
+   
+   	for (;;) {
+		current->state = TASK_INTERRUPTIBLE;
+	      	i830_dma_quiescent_emit(dev);
+	   	if (atomic_read(&dev_priv->flush_done) == 1) break;
+		if((signed)(end - jiffies) <= 0) {
+		   	DRM_ERROR("lockup\n");
+		   	break;
+		}	   
+	      	schedule_timeout(HZ*3);
+	      	if (signal_pending(current)) {
+		   	break;
+		}
+	}
+   
+   	current->state = TASK_RUNNING;
+   	remove_wait_queue(&dev_priv->flush_queue, &entry);
+   
+   	return;
+}
+
+static int i830_flush_queue(drm_device_t *dev)
+{
+   	DECLARE_WAITQUEUE(entry, current);
+  	drm_i830_private_t *dev_priv = (drm_i830_private_t *)dev->dev_private;
+	drm_device_dma_t *dma = dev->dma;
+	unsigned long end;
+   	int i, ret = 0;      
+
+   	if(dev_priv == NULL) {
+	   	return 0;
+	}
+      	atomic_set(&dev_priv->flush_done, 0);
+   	add_wait_queue(&dev_priv->flush_queue, &entry);
+   	end = jiffies + (HZ*3);
+   	for (;;) {
+		current->state = TASK_INTERRUPTIBLE;
+	      	i830_dma_emit_flush(dev);
+	   	if (atomic_read(&dev_priv->flush_done) == 1) break;
+		if((signed)(end - jiffies) <= 0) {
+		   	DRM_ERROR("lockup\n");
+		   	break;
+		}	   
+	      	schedule_timeout(HZ*3);
+	      	if (signal_pending(current)) {
+		   	ret = -EINTR; /* Can't restart */
+		   	break;
+		}
+	}
+   
+   	current->state = TASK_RUNNING;
+   	remove_wait_queue(&dev_priv->flush_queue, &entry);
+
+
+   	for (i = 0; i < dma->buf_count; i++) {
+	   	drm_buf_t *buf = dma->buflist[ i ];
+	   	drm_i830_buf_priv_t *buf_priv = buf->dev_private;
+	   
+		int used = cmpxchg(buf_priv->in_use, I830_BUF_HARDWARE, 
+				   I830_BUF_FREE);
+
+		if (used == I830_BUF_HARDWARE)
+			DRM_DEBUG("reclaimed from HARDWARE\n");
+		if (used == I830_BUF_CLIENT)
+			DRM_DEBUG("still on client HARDWARE\n");
+	}
+
+   	return ret;
+}
+
+/* Must be called with the lock held */
+void i830_reclaim_buffers(drm_device_t *dev, pid_t pid)
+{
+	drm_device_dma_t *dma = dev->dma;
+	int		 i;
+
+	if (!dma) return;
+      	if (!dev->dev_private) return;
+	if (!dma->buflist) return;
+
+        i830_flush_queue(dev);
+
+	for (i = 0; i < dma->buf_count; i++) {
+	   	drm_buf_t *buf = dma->buflist[ i ];
+	   	drm_i830_buf_priv_t *buf_priv = buf->dev_private;
+	   
+		if (buf->pid == pid && buf_priv) {
+			int used = cmpxchg(buf_priv->in_use, I830_BUF_CLIENT, 
+					   I830_BUF_FREE);
+
+			if (used == I830_BUF_CLIENT)
+				DRM_DEBUG("reclaimed from client\n");
+		   	if(buf_priv->currently_mapped == I830_BUF_MAPPED)
+		     		buf_priv->currently_mapped = I830_BUF_UNMAPPED;
+		}
+	}
+}
+
+int i830_flush_ioctl(struct inode *inode, struct file *filp, 
+		     unsigned int cmd, unsigned long arg)
+{
+   	drm_file_t	  *priv	  = filp->private_data;
+   	drm_device_t	  *dev	  = priv->dev;
+   
+   	DRM_DEBUG("i830_flush_ioctl\n");
+   	if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
+		DRM_ERROR("i830_flush_ioctl called without lock held\n");
+		return -EINVAL;
+	}
+
+   	i830_flush_queue(dev);
+   	return 0;
+}
+
+int i830_dma_vertex(struct inode *inode, struct file *filp,
+	       unsigned int cmd, unsigned long arg)
+{
+	drm_file_t *priv = filp->private_data;
+	drm_device_t *dev = priv->dev;
+	drm_device_dma_t *dma = dev->dma;
+   	drm_i830_private_t *dev_priv = (drm_i830_private_t *)dev->dev_private;
+      	u32 *hw_status = (u32 *)dev_priv->hw_status_page;
+   	drm_i830_sarea_t *sarea_priv = (drm_i830_sarea_t *) 
+     					dev_priv->sarea_priv; 
+	drm_i830_vertex_t vertex;
+
+	if (copy_from_user(&vertex, (drm_i830_vertex_t *)arg, sizeof(vertex)))
+		return -EFAULT;
+
+   	if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
+		DRM_ERROR("i830_dma_vertex called without lock held\n");
+		return -EINVAL;
+	}
+
+	DRM_DEBUG("i830 dma vertex, idx %d used %d discard %d\n",
+		  vertex.idx, vertex.used, vertex.discard);
+
+	if(vertex.idx < 0 || vertex.idx > dma->buf_count) return -EINVAL;
+
+	i830_dma_dispatch_vertex( dev, 
+				  dma->buflist[ vertex.idx ], 
+				  vertex.discard, vertex.used );
+
+	sarea_priv->last_enqueue = dev_priv->counter-1;
+   	sarea_priv->last_dispatch = (int) hw_status[5];
+   
+	return 0;
+}
+
+int i830_clear_bufs(struct inode *inode, struct file *filp,
+		   unsigned int cmd, unsigned long arg)
+{
+	drm_file_t *priv = filp->private_data;
+	drm_device_t *dev = priv->dev;
+	drm_i830_clear_t clear;
+
+   	if (copy_from_user(&clear, (drm_i830_clear_t *)arg, sizeof(clear)))
+		return -EFAULT;
+   
+   	if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
+		DRM_ERROR("i830_clear_bufs called without lock held\n");
+		return -EINVAL;
+	}
+
+	/* GH: Someone's doing nasty things... */
+	if (!dev->dev_private) {
+		return -EINVAL;
+	}
+
+	i830_dma_dispatch_clear( dev, clear.flags, 
+				 clear.clear_color, 
+				 clear.clear_depth,
+			         clear.clear_depthmask);
+   	return 0;
+}
+
+int i830_swap_bufs(struct inode *inode, struct file *filp,
+		  unsigned int cmd, unsigned long arg)
+{
+	drm_file_t *priv = filp->private_data;
+	drm_device_t *dev = priv->dev;
+   
+	DRM_DEBUG("i830_swap_bufs\n");
+
+   	if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
+		DRM_ERROR("i830_swap_buf called without lock held\n");
+		return -EINVAL;
+	}
+
+	i830_dma_dispatch_swap( dev );
+   	return 0;
+}
+
+int i830_getage(struct inode *inode, struct file *filp, unsigned int cmd,
+		unsigned long arg)
+{
+   	drm_file_t	  *priv	    = filp->private_data;
+	drm_device_t	  *dev	    = priv->dev;
+   	drm_i830_private_t *dev_priv = (drm_i830_private_t *)dev->dev_private;
+      	u32 *hw_status = (u32 *)dev_priv->hw_status_page;
+   	drm_i830_sarea_t *sarea_priv = (drm_i830_sarea_t *) 
+     					dev_priv->sarea_priv; 
+
+      	sarea_priv->last_dispatch = (int) hw_status[5];
+	return 0;
+}
+
+int i830_getbuf(struct inode *inode, struct file *filp, unsigned int cmd,
+		unsigned long arg)
+{
+	drm_file_t	  *priv	    = filp->private_data;
+	drm_device_t	  *dev	    = priv->dev;
+	int		  retcode   = 0;
+	drm_i830_dma_t	  d;
+   	drm_i830_private_t *dev_priv = (drm_i830_private_t *)dev->dev_private;
+   	u32 *hw_status = (u32 *)dev_priv->hw_status_page;
+   	drm_i830_sarea_t *sarea_priv = (drm_i830_sarea_t *) 
+     					dev_priv->sarea_priv; 
+
+	DRM_DEBUG("getbuf\n");
+   	if (copy_from_user(&d, (drm_i830_dma_t *)arg, sizeof(d)))
+		return -EFAULT;
+   
+	if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
+		DRM_ERROR("i830_dma called without lock held\n");
+		return -EINVAL;
+	}
+	
+	d.granted = 0;
+
+	retcode = i830_dma_get_buffer(dev, &d, filp);
+
+	DRM_DEBUG("i830_dma: %d returning %d, granted = %d\n",
+		  current->pid, retcode, d.granted);
+
+	if (copy_to_user((drm_dma_t *)arg, &d, sizeof(d)))
+		return -EFAULT;
+   	sarea_priv->last_dispatch = (int) hw_status[5];
+
+	return retcode;
+}
+
+int i830_copybuf(struct inode *inode, struct file *filp, unsigned int cmd,
+		unsigned long arg)
+{
+	drm_file_t	  *priv	    = filp->private_data;
+	drm_device_t	  *dev	    = priv->dev;
+	drm_i830_copy_t	  d;
+   	drm_i830_private_t *dev_priv = (drm_i830_private_t *)dev->dev_private;
+   	u32 *hw_status = (u32 *)dev_priv->hw_status_page;
+   	drm_i830_sarea_t *sarea_priv = (drm_i830_sarea_t *) 
+     					dev_priv->sarea_priv; 
+	drm_buf_t *buf;
+	drm_i830_buf_priv_t *buf_priv;
+	drm_device_dma_t *dma = dev->dma;
+
+	if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
+		DRM_ERROR("i830_dma called without lock held\n");
+		return -EINVAL;
+	}
+   
+   	if (copy_from_user(&d, (drm_i830_copy_t *)arg, sizeof(d)))
+		return -EFAULT;
+
+	if(d.idx < 0 || d.idx > dma->buf_count) return -EINVAL;
+	buf = dma->buflist[ d.idx ];
+   	buf_priv = buf->dev_private;
+	if (buf_priv->currently_mapped != I830_BUF_MAPPED) return -EPERM;
+
+	if(d.used < 0 || d.used > buf->total) return -EINVAL;
+
+   	if (copy_from_user(buf_priv->virtual, d.address, d.used))
+		return -EFAULT;
+
+   	sarea_priv->last_dispatch = (int) hw_status[5];
+
+	return 0;
+}
+
+int i830_docopy(struct inode *inode, struct file *filp, unsigned int cmd,
+		unsigned long arg)
+{
+	if(VM_DONTCOPY == 0) return 1;
+	return 0;
+}
diff --git a/linux-core/i830_drm.h b/linux-core/i830_drm.h
new file mode 100644
index 00000000..e4a2a257
--- /dev/null
+++ b/linux-core/i830_drm.h
@@ -0,0 +1,238 @@
+#ifndef _I830_DRM_H_
+#define _I830_DRM_H_
+
+/* WARNING: These defines must be the same as what the Xserver uses.
+ * if you change them, you must change the defines in the Xserver.
+ */
+
+#ifndef _I830_DEFINES_
+#define _I830_DEFINES_
+
+#define I830_DMA_BUF_ORDER		12
+#define I830_DMA_BUF_SZ 		(1<<I830_DMA_BUF_ORDER)
+#define I830_DMA_BUF_NR 		256
+#define I830_NR_SAREA_CLIPRECTS 	8
+
+/* Each region is a minimum of 64k, and there are at most 64 of them.
+ */
+#define I830_NR_TEX_REGIONS 64
+#define I830_LOG_MIN_TEX_REGION_SIZE 16
+
+/* if defining I830_ENABLE_4_TEXTURES, do it in i830_3d_reg.h, too */
+#if !defined(I830_ENABLE_4_TEXTURES)
+#define I830_TEXTURE_COUNT	2
+#define I830_TEXBLEND_COUNT	2	/* always same as TEXTURE_COUNT? */
+#else /* defined(I830_ENABLE_4_TEXTURES) */
+#define I830_TEXTURE_COUNT	4
+#define I830_TEXBLEND_COUNT	4	/* always same as TEXTURE_COUNT? */
+#endif /* I830_ENABLE_4_TEXTURES */
+
+#define I830_TEXBLEND_SIZE	12	/* (4 args + op) * 2 + COLOR_FACTOR */
+
+#define I830_UPLOAD_CTX			0x1
+#define I830_UPLOAD_BUFFERS		0x2
+#define I830_UPLOAD_CLIPRECTS		0x4
+#define I830_UPLOAD_TEX0_IMAGE		0x100 /* handled clientside */
+#define I830_UPLOAD_TEX0_CUBE		0x200 /* handled clientside */
+#define I830_UPLOAD_TEX1_IMAGE		0x400 /* handled clientside */
+#define I830_UPLOAD_TEX1_CUBE		0x800 /* handled clientside */
+#define I830_UPLOAD_TEX2_IMAGE		0x1000 /* handled clientside */
+#define I830_UPLOAD_TEX2_CUBE		0x2000 /* handled clientside */
+#define I830_UPLOAD_TEX3_IMAGE		0x4000 /* handled clientside */
+#define I830_UPLOAD_TEX3_CUBE		0x8000 /* handled clientside */
+#define I830_UPLOAD_TEX_N_IMAGE(n)	(0x100 << (n * 2))
+#define I830_UPLOAD_TEX_N_CUBE(n)	(0x200 << (n * 2))
+#define I830_UPLOAD_TEXIMAGE_MASK	0xff00
+#define I830_UPLOAD_TEX0			0x10000
+#define I830_UPLOAD_TEX1			0x20000
+#define I830_UPLOAD_TEX2			0x40000
+#define I830_UPLOAD_TEX3			0x80000
+#define I830_UPLOAD_TEX_N(n)		(0x10000 << (n))
+#define I830_UPLOAD_TEX_MASK		0xf0000
+#define I830_UPLOAD_TEXBLEND0		0x100000
+#define I830_UPLOAD_TEXBLEND1		0x200000
+#define I830_UPLOAD_TEXBLEND2		0x400000
+#define I830_UPLOAD_TEXBLEND3		0x800000
+#define I830_UPLOAD_TEXBLEND_N(n)	(0x100000 << (n))
+#define I830_UPLOAD_TEXBLEND_MASK	0xf00000
+#define I830_UPLOAD_TEX_PALETTE_N(n)    (0x1000000 << (n))
+#define I830_UPLOAD_TEX_PALETTE_SHARED	0x4000000
+
+/* Indices into buf.Setup where various bits of state are mirrored per
+ * context and per buffer.  These can be fired at the card as a unit,
+ * or in a piecewise fashion as required.
+ */
+
+/* Destbuffer state 
+ *    - backbuffer linear offset and pitch -- invarient in the current dri
+ *    - zbuffer linear offset and pitch -- also invarient
+ *    - drawing origin in back and depth buffers.
+ *
+ * Keep the depth/back buffer state here to acommodate private buffers
+ * in the future.
+ */
+
+#define I830_DESTREG_CBUFADDR 0
+/* Invarient */
+#define I830_DESTREG_DBUFADDR 1
+#define I830_DESTREG_DV0 2
+#define I830_DESTREG_DV1 3
+#define I830_DESTREG_SENABLE 4
+#define I830_DESTREG_SR0 5
+#define I830_DESTREG_SR1 6
+#define I830_DESTREG_SR2 7
+#define I830_DESTREG_DR0 8
+#define I830_DESTREG_DR1 9
+#define I830_DESTREG_DR2 10
+#define I830_DESTREG_DR3 11
+#define I830_DESTREG_DR4 12
+#define I830_DEST_SETUP_SIZE 13
+
+/* Context state
+ */
+#define I830_CTXREG_STATE1		0
+#define I830_CTXREG_STATE2		1
+#define I830_CTXREG_STATE3		2
+#define I830_CTXREG_STATE4		3
+#define I830_CTXREG_STATE5		4
+#define I830_CTXREG_IALPHAB		5
+#define I830_CTXREG_STENCILTST		6
+#define I830_CTXREG_ENABLES_1		7
+#define I830_CTXREG_ENABLES_2		8
+#define I830_CTXREG_AA			9
+#define I830_CTXREG_FOGCOLOR		10
+#define I830_CTXREG_BLENDCOLR0		11
+#define I830_CTXREG_BLENDCOLR		12 /* Dword 1 of 2 dword command */
+#define I830_CTXREG_VF			13
+#define I830_CTXREG_VF2			14
+#define I830_CTXREG_MCSB0		15
+#define I830_CTXREG_MCSB1		16
+#define I830_CTX_SETUP_SIZE		17
+
+/* Texture state (per tex unit)
+ */
+
+#define I830_TEXREG_MI0	0	/* GFX_OP_MAP_INFO (6 dwords) */
+#define I830_TEXREG_MI1	1
+#define I830_TEXREG_MI2	2
+#define I830_TEXREG_MI3	3
+#define I830_TEXREG_MI4	4
+#define I830_TEXREG_MI5	5
+#define I830_TEXREG_MF	6	/* GFX_OP_MAP_FILTER */
+#define I830_TEXREG_MLC	7	/* GFX_OP_MAP_LOD_CTL */
+#define I830_TEXREG_MLL	8	/* GFX_OP_MAP_LOD_LIMITS */
+#define I830_TEXREG_MCS	9	/* GFX_OP_MAP_COORD_SETS */
+#define I830_TEX_SETUP_SIZE 10
+
+#define I830_FRONT   0x1
+#define I830_BACK    0x2
+#define I830_DEPTH   0x4
+
+#endif /* _I830_DEFINES_ */
+
+typedef struct _drm_i830_init {
+	enum {
+		I830_INIT_DMA = 0x01,
+		I830_CLEANUP_DMA = 0x02
+	} func;
+	unsigned int mmio_offset;
+	unsigned int buffers_offset;
+	int sarea_priv_offset;
+	unsigned int ring_start;
+	unsigned int ring_end;
+	unsigned int ring_size;
+	unsigned int front_offset;
+	unsigned int back_offset;
+	unsigned int depth_offset;
+	unsigned int w;
+	unsigned int h;
+	unsigned int pitch;
+	unsigned int pitch_bits;
+	unsigned int back_pitch;
+	unsigned int depth_pitch;
+	unsigned int cpp;
+} drm_i830_init_t;
+
+/* Warning: If you change the SAREA structure you must change the Xserver
+ * structure as well */
+
+typedef struct _drm_i830_tex_region {
+	unsigned char next, prev; /* indices to form a circular LRU  */
+	unsigned char in_use;	/* owned by a client, or free? */
+	int age;		/* tracked by clients to update local LRU's */
+} drm_i830_tex_region_t;
+
+typedef struct _drm_i830_sarea {
+	unsigned int ContextState[I830_CTX_SETUP_SIZE];
+   	unsigned int BufferState[I830_DEST_SETUP_SIZE];
+	unsigned int TexState[I830_TEXTURE_COUNT][I830_TEX_SETUP_SIZE];
+	unsigned int TexBlendState[I830_TEXBLEND_COUNT][I830_TEXBLEND_SIZE];
+	unsigned int TexBlendStateWordsUsed[I830_TEXBLEND_COUNT];
+	unsigned int Palette[2][256];
+   	unsigned int dirty;
+
+	unsigned int nbox;
+	drm_clip_rect_t boxes[I830_NR_SAREA_CLIPRECTS];
+
+	/* Maintain an LRU of contiguous regions of texture space.  If
+	 * you think you own a region of texture memory, and it has an
+	 * age different to the one you set, then you are mistaken and
+	 * it has been stolen by another client.  If global texAge
+	 * hasn't changed, there is no need to walk the list.
+	 *
+	 * These regions can be used as a proxy for the fine-grained
+	 * texture information of other clients - by maintaining them
+	 * in the same lru which is used to age their own textures,
+	 * clients have an approximate lru for the whole of global
+	 * texture space, and can make informed decisions as to which
+	 * areas to kick out.  There is no need to choose whether to
+	 * kick out your own texture or someone else's - simply eject
+	 * them all in LRU order.  
+	 */
+
+	drm_i830_tex_region_t texList[I830_NR_TEX_REGIONS+1]; 
+				/* Last elt is sentinal */
+        int texAge;		/* last time texture was uploaded */
+        int last_enqueue;	/* last time a buffer was enqueued */
+	int last_dispatch;	/* age of the most recently dispatched buffer */
+	int last_quiescent;     /*  */
+	int ctxOwner;		/* last context to upload state */
+
+	int vertex_prim;
+} drm_i830_sarea_t;
+
+typedef struct _drm_i830_clear {
+	int clear_color;
+	int clear_depth;
+	int flags;
+	unsigned int clear_colormask;
+	unsigned int clear_depthmask;
+} drm_i830_clear_t;
+
+
+
+/* These may be placeholders if we have more cliprects than
+ * I830_NR_SAREA_CLIPRECTS.  In that case, the client sets discard to
+ * false, indicating that the buffer will be dispatched again with a
+ * new set of cliprects.
+ */
+typedef struct _drm_i830_vertex {
+   	int idx;		/* buffer index */
+	int used;		/* nr bytes in use */
+	int discard;		/* client is finished with the buffer? */
+} drm_i830_vertex_t;
+
+typedef struct _drm_i830_copy_t {
+   	int idx;		/* buffer index */
+	int used;		/* nr bytes in use */
+	void *address;		/* Address to copy from */
+} drm_i830_copy_t;
+
+typedef struct drm_i830_dma {
+	void *virtual;
+	int request_idx;
+	int request_size;
+	int granted;
+} drm_i830_dma_t;
+
+#endif /* _I830_DRM_H_ */
diff --git a/linux-core/i830_drv.c b/linux-core/i830_drv.c
new file mode 100644
index 00000000..904f3660
--- /dev/null
+++ b/linux-core/i830_drv.c
@@ -0,0 +1,102 @@
+/* i830_drv.c -- I810 driver -*- linux-c -*-
+ * Created: Mon Dec 13 01:56:22 1999 by jhartmann@precisioninsight.com
+ *
+ * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Rickard E. (Rik) Faith <faith@valinux.com>
+ *    Jeff Hartmann <jhartmann@valinux.com>
+ *    Gareth Hughes <gareth@valinux.com>
+ *    Abraham vd Merwe <abraham@2d3d.co.za>
+ */
+
+#include <linux/config.h>
+#include "i830.h"
+#include "drmP.h"
+#include "i830_drv.h"
+
+#define DRIVER_AUTHOR		"VA Linux Systems Inc."
+
+#define DRIVER_NAME		"i830"
+#define DRIVER_DESC		"Intel 830M"
+#define DRIVER_DATE		"20011004"
+
+#define DRIVER_MAJOR		1
+#define DRIVER_MINOR		2
+#define DRIVER_PATCHLEVEL	0
+
+#define DRIVER_IOCTLS							    \
+	[DRM_IOCTL_NR(DRM_IOCTL_I830_INIT)]   = { i830_dma_init,    1, 1 }, \
+   	[DRM_IOCTL_NR(DRM_IOCTL_I830_VERTEX)] = { i830_dma_vertex,  1, 0 }, \
+   	[DRM_IOCTL_NR(DRM_IOCTL_I830_CLEAR)]  = { i830_clear_bufs,  1, 0 }, \
+      	[DRM_IOCTL_NR(DRM_IOCTL_I830_FLUSH)]  = { i830_flush_ioctl, 1, 0 }, \
+   	[DRM_IOCTL_NR(DRM_IOCTL_I830_GETAGE)] = { i830_getage,      1, 0 }, \
+	[DRM_IOCTL_NR(DRM_IOCTL_I830_GETBUF)] = { i830_getbuf,      1, 0 }, \
+   	[DRM_IOCTL_NR(DRM_IOCTL_I830_SWAP)]   = { i830_swap_bufs,   1, 0 }, \
+   	[DRM_IOCTL_NR(DRM_IOCTL_I830_COPY)]   = { i830_copybuf,     1, 0 }, \
+   	[DRM_IOCTL_NR(DRM_IOCTL_I830_DOCOPY)] = { i830_docopy,      1, 0 },
+
+#define __HAVE_COUNTERS         4
+#define __HAVE_COUNTER6         _DRM_STAT_IRQ
+#define __HAVE_COUNTER7         _DRM_STAT_PRIMARY
+#define __HAVE_COUNTER8         _DRM_STAT_SECONDARY
+#define __HAVE_COUNTER9         _DRM_STAT_DMA
+
+
+#include "drm_agpsupport.h"
+#include "drm_auth.h"
+#include "drm_bufs.h"
+#include "drm_context.h"
+#include "drm_dma.h"
+#include "drm_drawable.h"
+#include "drm_drv.h"
+
+#ifndef MODULE
+/* DRM(options) is called by the kernel to parse command-line options
+ * passed via the boot-loader (e.g., LILO).  It calls the insmod option
+ * routine, drm_parse_drm.
+ */
+
+/* JH- We have to hand expand the string ourselves because of the cpp.  If
+ * anyone can think of a way that we can fit into the __setup macro without
+ * changing it, then please send the solution my way.
+ */
+static int __init i830_options( char *str )
+{
+   DRM(parse_options)( str );
+   return 1;
+}
+
+__setup( DRIVER_NAME "=", i830_options );
+#endif
+
+#include "drm_fops.h"
+#include "drm_init.h"
+#include "drm_ioctl.h"
+#include "drm_lock.h"
+#include "drm_lists.h"
+#include "drm_memory.h"
+#include "drm_proc.h"
+#include "drm_vm.h"
+#include "drm_stub.h"
diff --git a/linux-core/i830_drv.h b/linux-core/i830_drv.h
new file mode 100644
index 00000000..4e9d6c80
--- /dev/null
+++ b/linux-core/i830_drv.h
@@ -0,0 +1,213 @@
+/* i830_drv.h -- Private header for the I830 driver -*- linux-c -*-
+ * Created: Mon Dec 13 01:50:01 1999 by jhartmann@precisioninsight.com
+ *
+ * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Rickard E. (Rik) Faith <faith@valinux.com>
+ * 	    Jeff Hartmann <jhartmann@valinux.com>
+ *
+ */
+
+#ifndef _I830_DRV_H_
+#define _I830_DRV_H_
+
+typedef struct drm_i830_buf_priv {
+   	u32 *in_use;
+   	int my_use_idx;
+	int currently_mapped;
+	void *virtual;
+	void *kernel_virtual;
+	int map_count;
+   	struct vm_area_struct *vma;
+} drm_i830_buf_priv_t;
+
+typedef struct _drm_i830_ring_buffer{
+	int tail_mask;
+	unsigned long Start;
+	unsigned long End;
+	unsigned long Size;
+	u8 *virtual_start;
+	int head;
+	int tail;
+	int space;
+} drm_i830_ring_buffer_t;
+
+typedef struct drm_i830_private {
+	drm_map_t *sarea_map;
+	drm_map_t *buffer_map;
+	drm_map_t *mmio_map;
+
+	drm_i830_sarea_t *sarea_priv;
+   	drm_i830_ring_buffer_t ring;
+
+      	unsigned long hw_status_page;
+   	unsigned long counter;
+
+   	atomic_t flush_done;
+   	wait_queue_head_t flush_queue;	/* Processes waiting until flush    */
+	drm_buf_t *mmap_buffer;
+	
+	u32 front_di1, back_di1, zi1;
+	
+	int back_offset;
+	int depth_offset;
+	int w, h;
+	int pitch;
+	int back_pitch;
+	int depth_pitch;
+	unsigned int cpp;
+} drm_i830_private_t;
+
+				/* i830_dma.c */
+extern int  i830_dma_schedule(drm_device_t *dev, int locked);
+extern int  i830_getbuf(struct inode *inode, struct file *filp,
+			unsigned int cmd, unsigned long arg);
+extern int  i830_dma_init(struct inode *inode, struct file *filp,
+			  unsigned int cmd, unsigned long arg);
+extern int  i830_flush_ioctl(struct inode *inode, struct file *filp,
+			     unsigned int cmd, unsigned long arg);
+extern void i830_reclaim_buffers(drm_device_t *dev, pid_t pid);
+extern int  i830_getage(struct inode *inode, struct file *filp, unsigned int cmd,
+			unsigned long arg);
+extern int i830_mmap_buffers(struct file *filp, struct vm_area_struct *vma);
+extern int i830_copybuf(struct inode *inode, struct file *filp, 
+			unsigned int cmd, unsigned long arg);
+extern int i830_docopy(struct inode *inode, struct file *filp, 
+		       unsigned int cmd, unsigned long arg);
+
+extern void i830_dma_quiescent(drm_device_t *dev);
+
+extern int i830_dma_vertex(struct inode *inode, struct file *filp,
+			  unsigned int cmd, unsigned long arg);
+
+extern int i830_swap_bufs(struct inode *inode, struct file *filp,
+			 unsigned int cmd, unsigned long arg);
+
+extern int i830_clear_bufs(struct inode *inode, struct file *filp,
+			  unsigned int cmd, unsigned long arg);
+
+#define I830_VERBOSE 0
+
+#define I830_BASE(reg)		((unsigned long) \
+				dev_priv->mmio_map->handle)
+#define I830_ADDR(reg)		(I830_BASE(reg) + reg)
+#define I830_DEREF(reg)		*(__volatile__ int *)I830_ADDR(reg)
+#define I830_READ(reg)		I830_DEREF(reg)
+#define I830_WRITE(reg,val) 	do { I830_DEREF(reg) = val; } while (0)
+#define I830_DEREF16(reg)	*(__volatile__ u16 *)I830_ADDR(reg)
+#define I830_READ16(reg) 	I830_DEREF16(reg)
+#define I830_WRITE16(reg,val)	do { I830_DEREF16(reg) = val; } while (0)
+
+#define GFX_OP_USER_INTERRUPT 		((0<<29)|(2<<23))
+#define GFX_OP_BREAKPOINT_INTERRUPT	((0<<29)|(1<<23))
+#define CMD_REPORT_HEAD			(7<<23)
+#define CMD_STORE_DWORD_IDX		((0x21<<23) | 0x1)
+#define CMD_OP_BATCH_BUFFER  ((0x0<<29)|(0x30<<23)|0x1)
+
+#define INST_PARSER_CLIENT   0x00000000
+#define INST_OP_FLUSH        0x02000000
+#define INST_FLUSH_MAP_CACHE 0x00000001
+
+
+#define BB1_START_ADDR_MASK   (~0x7)
+#define BB1_PROTECTED         (1<<0)
+#define BB1_UNPROTECTED       (0<<0)
+#define BB2_END_ADDR_MASK     (~0x7)
+
+#define I830REG_HWSTAM		0x02098
+#define I830REG_INT_IDENTITY_R	0x020a4
+#define I830REG_INT_MASK_R 	0x020a8
+#define I830REG_INT_ENABLE_R	0x020a0
+
+#define LP_RING     		0x2030
+#define HP_RING     		0x2040
+#define RING_TAIL      		0x00
+#define TAIL_ADDR		0x000FFFF8
+#define RING_HEAD      		0x04
+#define HEAD_WRAP_COUNT     	0xFFE00000
+#define HEAD_WRAP_ONE       	0x00200000
+#define HEAD_ADDR           	0x001FFFFC
+#define RING_START     		0x08
+#define START_ADDR          	0x00FFFFF8
+#define RING_LEN       		0x0C
+#define RING_NR_PAGES       	0x000FF000 
+#define RING_REPORT_MASK    	0x00000006
+#define RING_REPORT_64K     	0x00000002
+#define RING_REPORT_128K    	0x00000004
+#define RING_NO_REPORT      	0x00000000
+#define RING_VALID_MASK     	0x00000001
+#define RING_VALID          	0x00000001
+#define RING_INVALID        	0x00000000
+
+#define GFX_OP_SCISSOR         ((0x3<<29)|(0x1c<<24)|(0x10<<19))
+#define SC_UPDATE_SCISSOR       (0x1<<1)
+#define SC_ENABLE_MASK          (0x1<<0)
+#define SC_ENABLE               (0x1<<0)
+
+#define GFX_OP_SCISSOR_INFO    ((0x3<<29)|(0x1d<<24)|(0x81<<16)|(0x1))
+#define SCI_YMIN_MASK      (0xffff<<16)
+#define SCI_XMIN_MASK      (0xffff<<0)
+#define SCI_YMAX_MASK      (0xffff<<16)
+#define SCI_XMAX_MASK      (0xffff<<0)
+
+#define GFX_OP_SCISSOR_ENABLE	 ((0x3<<29)|(0x1c<<24)|(0x10<<19))
+#define GFX_OP_SCISSOR_RECT	 ((0x3<<29)|(0x1d<<24)|(0x81<<16)|1)
+#define GFX_OP_COLOR_FACTOR      ((0x3<<29)|(0x1d<<24)|(0x1<<16)|0x0)
+#define GFX_OP_STIPPLE           ((0x3<<29)|(0x1d<<24)|(0x83<<16))
+#define GFX_OP_MAP_INFO          ((0x3<<29)|(0x1d<<24)|0x4)
+#define GFX_OP_DESTBUFFER_VARS   ((0x3<<29)|(0x1d<<24)|(0x85<<16)|0x0)
+#define GFX_OP_DRAWRECT_INFO     ((0x3<<29)|(0x1d<<24)|(0x80<<16)|(0x3))
+#define GFX_OP_PRIMITIVE         ((0x3<<29)|(0x1f<<24))
+
+#define CMD_OP_DESTBUFFER_INFO	 ((0x3<<29)|(0x1d<<24)|(0x8e<<16)|1)
+
+
+#define BR00_BITBLT_CLIENT   0x40000000
+#define BR00_OP_COLOR_BLT    0x10000000
+#define BR00_OP_SRC_COPY_BLT 0x10C00000
+#define BR13_SOLID_PATTERN   0x80000000
+
+#define BUF_3D_ID_COLOR_BACK    (0x3<<24)
+#define BUF_3D_ID_DEPTH         (0x7<<24)
+#define BUF_3D_USE_FENCE        (1<<23)
+#define BUF_3D_PITCH(x)         (((x)/4)<<2)
+
+#define CMD_OP_MAP_PALETTE_LOAD	((3<<29)|(0x1d<<24)|(0x82<<16)|255)
+#define MAP_PALETTE_NUM(x)	((x<<8) & (1<<8))
+#define MAP_PALETTE_BOTH	(1<<11)
+
+#define XY_COLOR_BLT_CMD		((2<<29)|(0x50<<22)|0x4)
+#define XY_COLOR_BLT_WRITE_ALPHA	(1<<21)
+#define XY_COLOR_BLT_WRITE_RGB		(1<<20)
+
+#define XY_SRC_COPY_BLT_CMD             ((2<<29)|(0x53<<22)|6)
+#define XY_SRC_COPY_BLT_WRITE_ALPHA     (1<<21)
+#define XY_SRC_COPY_BLT_WRITE_RGB       (1<<20)
+
+#define MI_BATCH_BUFFER 	((0x30<<23)|1)
+#define MI_BATCH_NON_SECURE	(1)
+
+
+#endif
+
diff --git a/linux-core/r128_drv.c b/linux-core/r128_drv.c
index d4eda6c8..d8d7be4f 100644
--- a/linux-core/r128_drv.c
+++ b/linux-core/r128_drv.c
@@ -39,11 +39,11 @@
 
 #define DRIVER_NAME		"r128"
 #define DRIVER_DESC		"ATI Rage 128"
-#define DRIVER_DATE		"20010405"
+#define DRIVER_DATE		"20010917"
 
 #define DRIVER_MAJOR		2
-#define DRIVER_MINOR		1
-#define DRIVER_PATCHLEVEL	6
+#define DRIVER_MINOR		2
+#define DRIVER_PATCHLEVEL	0
 
 #define DRIVER_IOCTLS							    \
    [DRM_IOCTL_NR(DRM_IOCTL_DMA)]             = { r128_cce_buffers,  1, 0 }, \
diff --git a/linux-core/sis_drv.c b/linux-core/sis_drv.c
index 3dd83fd7..2d9612f5 100644
--- a/linux-core/sis_drv.c
+++ b/linux-core/sis_drv.c
@@ -40,12 +40,12 @@
 #define DRIVER_PATCHLEVEL  0
 
 #define DRIVER_IOCTLS \
-        [DRM_IOCTL_NR(SIS_IOCTL_FB_ALLOC)]   = { sis_fb_alloc,	  1, 1 }, \
-        [DRM_IOCTL_NR(SIS_IOCTL_FB_FREE)]    = { sis_fb_free,	  1, 1 }, \
+        [DRM_IOCTL_NR(SIS_IOCTL_FB_ALLOC)]   = { sis_fb_alloc,	  1, 0 }, \
+        [DRM_IOCTL_NR(SIS_IOCTL_FB_FREE)]    = { sis_fb_free,	  1, 0 }, \
         /* AGP Memory Management */					  \
-        [DRM_IOCTL_NR(SIS_IOCTL_AGP_INIT)]   = { sisp_agp_init,	  1, 1 }, \
-        [DRM_IOCTL_NR(SIS_IOCTL_AGP_ALLOC)]  = { sisp_agp_alloc,  1, 1 }, \
-        [DRM_IOCTL_NR(SIS_IOCTL_AGP_FREE)]   = { sisp_agp_free,	  1, 1 }
+        [DRM_IOCTL_NR(SIS_IOCTL_AGP_INIT)]   = { sisp_agp_init,	  1, 0 }, \
+        [DRM_IOCTL_NR(SIS_IOCTL_AGP_ALLOC)]  = { sisp_agp_alloc,  1, 0 }, \
+        [DRM_IOCTL_NR(SIS_IOCTL_AGP_FREE)]   = { sisp_agp_free,	  1, 0 }
 #if 0 /* these don't appear to be defined */
 	/* SIS Stereo */						 
 	[DRM_IOCTL_NR(DRM_IOCTL_CONTROL)]    = { sis_control,	  1, 1 }, 
diff --git a/linux/Makefile.kernel b/linux/Makefile.kernel
index e2630989..1060d4cb 100644
--- a/linux/Makefile.kernel
+++ b/linux/Makefile.kernel
@@ -3,13 +3,14 @@
 # Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
 
 O_TARGET	:= drm.o
-list-multi	:= gamma.o tdfx.o r128.o mga.o i810.o ffb.o radeon.o
+list-multi	:= gamma.o tdfx.o r128.o mga.o i810.o i830.o ffb.o radeon.o
 
 gamma-objs  := gamma_drv.o gamma_dma.o
 tdfx-objs   := tdfx_drv.o
 r128-objs   := r128_drv.o r128_cce.o r128_state.o
 mga-objs    := mga_drv.o mga_dma.o mga_state.o mga_warp.o
 i810-objs   := i810_drv.o i810_dma.o
+i830-objs   := i830_drv.o i830_dma.o
 radeon-objs := radeon_drv.o radeon_cp.o radeon_state.o
 ffb-objs    := ffb_drv.o ffb_context.o
 
@@ -19,6 +20,7 @@ obj-$(CONFIG_DRM_R128)	+= r128.o
 obj-$(CONFIG_DRM_RADEON)+= radeon.o
 obj-$(CONFIG_DRM_MGA)	+= mga.o
 obj-$(CONFIG_DRM_I810)	+= i810.o
+obj-$(CONFIG_DRM_I830)	+= i830.o
 obj-$(CONFIG_DRM_FFB)   += ffb.o
 
 include $(TOPDIR)/Rules.make
@@ -35,6 +37,9 @@ mga.o: $(mga-objs) $(lib)
 i810.o: $(i810-objs) $(lib)
 	$(LD) -r -o $@ $(i810-objs) $(lib)
 
+i830.o: $(i830-objs) $(lib)
+	$(LD) -r -o $@ $(i830-objs) $(lib)
+
 r128.o: $(r128-objs) $(lib)
 	$(LD) -r -o $@ $(r128-objs) $(lib)
 
diff --git a/linux/Makefile.linux b/linux/Makefile.linux
index cb48028f..893d4985 100644
--- a/linux/Makefile.linux
+++ b/linux/Makefile.linux
@@ -31,15 +31,6 @@
 # like this:
 # 	make TREE=/usr/my-kernel-tree/include
 #
-#
-# ***** NOTE NOTE NOTE NOTE NOTE *****
-# Because some distributions patch 2.2.x kernels to make kill_fasync have
-# three parameters, this script tries to determine, via the examination of
-# header files, if your kernel has been patched.  If this detection is
-# incorrect, you can override the value on the command line, like this:
-# 	make PARAMS=2
-# or
-# 	make PARAMS=3
 
 .SUFFIXES:
 
@@ -53,7 +44,7 @@ LIBS =
 DRMTEMPLATES =	drm_auth.h drm_bufs.h drm_context.h drm_dma.h drm_drawable.h \
 		drm_drv.h drm_fops.h drm_init.h drm_ioctl.h drm_lists.h \
 		drm_lock.h drm_memory.h drm_proc.h drm_stub.h drm_vm.h
-DRMHEADERS =	drm.h drmP.h compat-pre24.h
+DRMHEADERS =	drm.h drmP.h
 
 GAMMAOBJS =	gamma_drv.o gamma_dma.o
 GAMMAHEADERS =	gamma_drv.h $(DRMHEADERS) $(DRMTEMPLATES)
@@ -132,10 +123,6 @@ MODVERSIONS := $(shell gcc -E -nostdinc -I$(TREE) picker.c 2>/dev/null \
 	| grep -s 'MODVERSIONS = ' | cut -d' ' -f3)
 AGP := $(shell gcc -E -nostdinc -I$(TREE) picker.c 2>/dev/null \
 	| grep -s 'AGP = ' | cut -d' ' -f3)
-SIS := $(shell gcc -E -nostdinc -I$(TREE) picker.c 2>/dev/null \
-	| grep -s 'SIS = ' | cut -d' ' -f3)
-PARAMS := $(shell if fgrep kill_fasync $(TREE)/linux/fs.h 2>/dev/null \
-	| egrep -q '(band|int, int)'; then echo 3; else echo 2; fi)
 MACHINE := $(shell echo `uname -m`)
 ifeq ($(AGP),0)
 AGP := $(shell gcc -E -nostdinc -I$(TREE) picker.c 2>/dev/null \
@@ -145,13 +132,14 @@ endif
 ifeq ($(AGP),1)
 MODCFLAGS += -DCONFIG_AGP -DCONFIG_AGP_MODULE
 DRMTEMPLATES += drm_agpsupport.h
-DRMHEADERS += agpsupport-pre24.h
 MODS += mga.o
 ifeq ($(MACHINE),i386)
 MODS += i810.o
+MODS += i830.o
 endif
 ifeq ($(MACHINE),i686)
 MODS += i810.o
+MODS += i830.o
 endif
 
 MGAOBJS =	mga_drv.o mga_dma.o mga_state.o mga_warp.o
@@ -160,32 +148,26 @@ MGAHEADERS =	mga.h mga_drv.h mga_drm.h $(DRMHEADERS) $(DRMTEMPLATES)
 I810OBJS =	i810_drv.o i810_dma.o
 I810HEADERS =	i810.h i810_drv.h i810_drm.h $(DRMHEADERS) $(DRMTEMPLATES)
 
+I830OBJS =	i830_drv.o i830_dma.o
+I830HEADERS =	i830.h i830_drv.h i830_drm.h $(DRMHEADERS) $(DRMTEMPLATES)
+
 endif
 
 ifeq ($(MACHINE),alpha)
 MODCFLAGS+=      -ffixed-8 -mno-fp-regs -mcpu=ev56 -Wa,-mev6 
 endif
 
-ifeq ($(SIS),1)
-# It appears that the SiS driver makes calls to sis_malloc and sis_free, and
-# that these calls are only defined if CONFIG_FB_SIS is selected.  So, key
-# off that to determine if we should attempt to build the SiS driver.
-#
-# A better way would be to detect the appropriate definitions in the header
-# file to see if we can, at least, compile the driver.
 MODS += sis.o
 
 SISOBJS=	sis_drv.o sis_mm.o sis_ds.o 
 SISHEADERS=	sis_drv.h sis_drm.h $(DRMHEADERS)
 MODCFLAGS += -DCONFIG_DRM_SIS
-endif
 
 all::;@echo === KERNEL HEADERS IN $(TREE)
 all::;@echo === SMP=${SMP} MODULES=${MODULES} MODVERSIONS=${MODVERSIONS} AGP=${AGP}
-all::;@echo === kill_fasync has $(PARAMS) parameters
 all::;@echo === Compiling for machine $(MACHINE)
 all::;@echo === WARNING
-all::;@echo === WARNING 2.4.0 kernels before 2.4.0-test11 DO NOT WORK
+all::;@echo === WARNING Use 2.4.x kernels ONLY !
 all::;@echo === WARNING
 
 ifeq ($(MODULES),0)
@@ -207,9 +189,6 @@ endif
 ifeq ($(MODVERSIONS),1)
 MODCFLAGS += -DMODVERSIONS -include $(TREE)/linux/modversions.h
 endif
-ifeq ($(PARAMS),3)
-MODCFLAGS += -DKILLFASYNCHASTHREEPARAMETERS
-endif
 
 # **** End of configuration
 
@@ -253,6 +232,11 @@ i810_drv.o: i810_drv.c
 i810.o: $(I810OBJS) $(LIBS)
 	$(LD) -r $^ -o $@
 
+i830_drv.o: i830_drv.c
+	$(CC) $(MODCFLAGS) -DEXPORT_SYMTAB -I$(TREE) -c $< -o $@
+i830.o: $(I830OBJS) $(LIBS)
+	$(LD) -r $^ -o $@
+
 endif
 
 .PHONY: ChangeLog
@@ -273,6 +257,7 @@ $(TDFXOBJS): $(TDFXHEADERS)
 ifeq ($(AGP),1)
 $(MGAOBJS): $(MGAHEADERS)
 $(I810OBJS): $(I810HEADERS)
+$(I830OBJS): $(I830HEADERS)
 $(R128OBJS): $(R128HEADERS)
 $(RADEONOBJS): $(RADEONHEADERS)
 endif
diff --git a/linux/ati_pcigart.h b/linux/ati_pcigart.h
index a794b3e0..5851b72f 100644
--- a/linux/ati_pcigart.h
+++ b/linux/ati_pcigart.h
@@ -36,7 +36,7 @@
 #elif PAGE_SIZE == 4096
 # define ATI_PCIGART_TABLE_ORDER 	3
 # define ATI_PCIGART_TABLE_PAGES 	(1 << 3)
-#elif
+#else
 # error - PAGE_SIZE not 8K or 4K
 #endif
 
@@ -57,7 +57,7 @@ static unsigned long DRM(ati_alloc_pcigart_table)( void )
 
 	page = virt_to_page( address );
 
-	for ( i = 0 ; i <= ATI_PCIGART_TABLE_PAGES ; i++, page++ ) {
+	for ( i = 0 ; i < ATI_PCIGART_TABLE_PAGES ; i++, page++ ) {
 		atomic_inc( &page->count );
 		SetPageReserved( page );
 	}
@@ -74,7 +74,7 @@ static void DRM(ati_free_pcigart_table)( unsigned long address )
 
 	page = virt_to_page( address );
 
-	for ( i = 0 ; i <= ATI_PCIGART_TABLE_PAGES ; i++, page++ ) {
+	for ( i = 0 ; i < ATI_PCIGART_TABLE_PAGES ; i++, page++ ) {
 		atomic_dec( &page->count );
 		ClearPageReserved( page );
 	}
@@ -103,7 +103,6 @@ int DRM(ati_pcigart_init)( drm_device_t *dev,
 		goto done;
 	}
 
-#if defined(__alpha__) && (LINUX_VERSION_CODE >= 0x020400)
 	if ( !dev->pdev ) {
 		DRM_ERROR( "PCI device unknown!\n" );
 		goto done;
@@ -118,9 +117,6 @@ int DRM(ati_pcigart_init)( drm_device_t *dev,
 		address = 0;
 		goto done;
 	}
-#else
-	bus_address = virt_to_bus( (void *)address );
-#endif
 
 	pci_gart = (u32 *)address;
 
@@ -130,7 +126,6 @@ int DRM(ati_pcigart_init)( drm_device_t *dev,
 	memset( pci_gart, 0, ATI_MAX_PCIGART_PAGES * sizeof(u32) );
 
 	for ( i = 0 ; i < pages ; i++ ) {
-#if defined(__alpha__) && (LINUX_VERSION_CODE >= 0x020400)
 		/* we need to support large memory configurations */
 		entry->busaddr[i] = pci_map_single(dev->pdev,
 					   page_address( entry->pagelist[i] ),
@@ -144,9 +139,7 @@ int DRM(ati_pcigart_init)( drm_device_t *dev,
 			goto done;
 		}
 		page_base = (u32) entry->busaddr[i];
-#else
-		page_base = page_to_bus( entry->pagelist[i] );
-#endif
+
 		for (j = 0; j < (PAGE_SIZE / ATI_PCIGART_PAGE_SIZE); j++) {
 			*pci_gart++ = cpu_to_le32( page_base );
 			page_base += ATI_PCIGART_PAGE_SIZE;
@@ -155,7 +148,7 @@ int DRM(ati_pcigart_init)( drm_device_t *dev,
 
 	ret = 1;
 
-#if __i386__
+#if defined(__i386__) || defined(__x86_64__)
 	asm volatile ( "wbinvd" ::: "memory" );
 #else
 	mb();
@@ -171,7 +164,6 @@ int DRM(ati_pcigart_cleanup)( drm_device_t *dev,
 			      unsigned long addr,
 			      dma_addr_t bus_addr)
 {
-#if defined(__alpha__) && (LINUX_VERSION_CODE >= 0x020400)
 	drm_sg_mem_t *entry = dev->sg;
 	unsigned long pages;
 	int i;
@@ -197,8 +189,6 @@ int DRM(ati_pcigart_cleanup)( drm_device_t *dev,
 		}
 	}
 
-#endif
-
 	if ( addr ) {
 		DRM(ati_free_pcigart_table)( addr );
 	}
diff --git a/linux/drm.h b/linux/drm.h
index ac9f407a..0db586fc 100644
--- a/linux/drm.h
+++ b/linux/drm.h
@@ -104,9 +104,8 @@ typedef struct drm_tex_region {
 #include "i810_drm.h"
 #include "r128_drm.h"
 #include "radeon_drm.h"
-#ifdef CONFIG_DRM_SIS
 #include "sis_drm.h"
-#endif
+#include "i830_drm.h"
 
 typedef struct drm_version {
 	int    version_major;	  /* Major version			    */
@@ -449,6 +448,12 @@ typedef struct drm_scatter_gather {
 #define DRM_IOCTL_I810_SWAP		DRM_IO(  0x46)
 #define DRM_IOCTL_I810_COPY		DRM_IOW( 0x47, drm_i810_copy_t)
 #define DRM_IOCTL_I810_DOCOPY		DRM_IO(  0x48)
+#define DRM_IOCTL_I810_OV0INFO		DRM_IOR( 0x49, drm_i810_overlay_t)
+#define DRM_IOCTL_I810_FSTATUS		DRM_IO ( 0x4a)
+#define DRM_IOCTL_I810_OV0FLIP		DRM_IO ( 0x4b)
+#define DRM_IOCTL_I810_MC		DRM_IOW( 0x4c, drm_i810_mc_t)
+#define DRM_IOCTL_I810_RSTATUS		DRM_IO ( 0x4d )
+
 
 /* Rage 128 specific ioctls */
 #define DRM_IOCTL_R128_INIT		DRM_IOW( 0x40, drm_r128_init_t)
@@ -483,7 +488,6 @@ typedef struct drm_scatter_gather {
 #define DRM_IOCTL_RADEON_INDIRECT	DRM_IOWR(0x4d, drm_radeon_indirect_t)
 #define DRM_IOCTL_RADEON_TEXTURE	DRM_IOWR(0x4e, drm_radeon_texture_t)
 
-#ifdef CONFIG_DRM_SIS
 /* SiS specific ioctls */
 #define SIS_IOCTL_FB_ALLOC		DRM_IOWR(0x44, drm_sis_mem_t)
 #define SIS_IOCTL_FB_FREE		DRM_IOW( 0x45, drm_sis_mem_t)
@@ -493,6 +497,16 @@ typedef struct drm_scatter_gather {
 #define SIS_IOCTL_FLIP			DRM_IOW( 0x48, drm_sis_flip_t)
 #define SIS_IOCTL_FLIP_INIT		DRM_IO(  0x49)
 #define SIS_IOCTL_FLIP_FINAL		DRM_IO(  0x50)
-#endif
+
+/* I830 specific ioctls */
+#define DRM_IOCTL_I830_INIT		DRM_IOW( 0x40, drm_i830_init_t)
+#define DRM_IOCTL_I830_VERTEX		DRM_IOW( 0x41, drm_i830_vertex_t)
+#define DRM_IOCTL_I830_CLEAR		DRM_IOW( 0x42, drm_i830_clear_t)
+#define DRM_IOCTL_I830_FLUSH		DRM_IO ( 0x43)
+#define DRM_IOCTL_I830_GETAGE		DRM_IO ( 0x44)
+#define DRM_IOCTL_I830_GETBUF		DRM_IOWR(0x45, drm_i830_dma_t)
+#define DRM_IOCTL_I830_SWAP		DRM_IO ( 0x46)
+#define DRM_IOCTL_I830_COPY		DRM_IOW( 0x47, drm_i830_copy_t)
+#define DRM_IOCTL_I830_DOCOPY		DRM_IO ( 0x48)
 
 #endif
diff --git a/linux/drmP.h b/linux/drmP.h
index aac5c58a..4786ba9e 100644
--- a/linux/drmP.h
+++ b/linux/drmP.h
@@ -66,13 +66,8 @@
 #include <linux/types.h>
 #include <linux/agp_backend.h>
 #endif
-#if LINUX_VERSION_CODE >= 0x020100 /* KERNEL_VERSION(2,1,0) */
 #include <linux/tqueue.h>
 #include <linux/poll.h>
-#endif
-#if LINUX_VERSION_CODE < 0x020400
-#include "compat-pre24.h"
-#endif
 #include <asm/pgalloc.h>
 #include "drm.h"
 
@@ -154,180 +149,7 @@
 
 #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8)
 
-				/* Backward compatibility section */
-				/* _PAGE_WT changed to _PAGE_PWT in 2.2.6 */
-#ifndef _PAGE_PWT
-#define _PAGE_PWT _PAGE_WT
-#endif
-				/* Wait queue declarations changed in 2.3.1 */
-#ifndef DECLARE_WAITQUEUE
-#define DECLARE_WAITQUEUE(w,c) struct wait_queue w = { c, NULL }
-typedef struct wait_queue *wait_queue_head_t;
-#define init_waitqueue_head(q) *q = NULL;
-#endif
-
-				/* _PAGE_4M changed to _PAGE_PSE in 2.3.23 */
-#ifndef _PAGE_PSE
-#define _PAGE_PSE _PAGE_4M
-#endif
-
-				/* vm_offset changed to vm_pgoff in 2.3.25 */
-#if LINUX_VERSION_CODE < 0x020319
-#define VM_OFFSET(vma) ((vma)->vm_offset)
-#else
 #define VM_OFFSET(vma) ((vma)->vm_pgoff << PAGE_SHIFT)
-#endif
-
-				/* *_nopage return values defined in 2.3.26 */
-#ifndef NOPAGE_SIGBUS
-#define NOPAGE_SIGBUS 0
-#endif
-#ifndef NOPAGE_OOM
-#define NOPAGE_OOM 0
-#endif
-
-				/* module_init/module_exit added in 2.3.13 */
-#ifndef module_init
-#define module_init(x)  int init_module(void) { return x(); }
-#endif
-#ifndef module_exit
-#define module_exit(x)  void cleanup_module(void) { x(); }
-#endif
-
-				/* Generic cmpxchg added in 2.3.x */
-#ifndef __HAVE_ARCH_CMPXCHG
-				/* Include this here so that driver can be
-                                   used with older kernels. */
-#if defined(__alpha__)
-static __inline__ unsigned long
-__cmpxchg_u32(volatile int *m, int old, int new)
-{
-	unsigned long prev, cmp;
-
-	__asm__ __volatile__(
-	"1:	ldl_l %0,%5\n"
-	"	cmpeq %0,%3,%1\n"
-	"	beq %1,2f\n"
-	"	mov %4,%1\n"
-	"	stl_c %1,%2\n"
-	"	beq %1,3f\n"
-	"2:	mb\n"
-	".subsection 2\n"
-	"3:	br 1b\n"
-	".previous"
-	: "=&r"(prev), "=&r"(cmp), "=m"(*m)
-	: "r"((long) old), "r"(new), "m"(*m)
-	: "memory" );
-
-	return prev;
-}
-
-static __inline__ unsigned long
-__cmpxchg_u64(volatile long *m, unsigned long old, unsigned long new)
-{
-	unsigned long prev, cmp;
-
-	__asm__ __volatile__(
-	"1:	ldq_l %0,%5\n"
-	"	cmpeq %0,%3,%1\n"
-	"	beq %1,2f\n"
-	"	mov %4,%1\n"
-	"	stq_c %1,%2\n"
-	"	beq %1,3f\n"
-	"2:	mb\n"
-	".subsection 2\n"
-	"3:	br 1b\n"
-	".previous"
-	: "=&r"(prev), "=&r"(cmp), "=m"(*m)
-	: "r"((long) old), "r"(new), "m"(*m)
-	: "memory" );
-
-	return prev;
-}
-
-static __inline__ unsigned long
-__cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)
-{
-	switch (size) {
-		case 4:
-			return __cmpxchg_u32(ptr, old, new);
-		case 8:
-			return __cmpxchg_u64(ptr, old, new);
-	}
-	return old;
-}
-#define cmpxchg(ptr,o,n)						 \
-  ({									 \
-     __typeof__(*(ptr)) _o_ = (o);					 \
-     __typeof__(*(ptr)) _n_ = (n);					 \
-     (__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_,		 \
-				    (unsigned long)_n_, sizeof(*(ptr))); \
-  })
-
-#elif __i386__
-static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old,
-				      unsigned long new, int size)
-{
-	unsigned long prev;
-	switch (size) {
-	case 1:
-		__asm__ __volatile__(LOCK_PREFIX "cmpxchgb %b1,%2"
-				     : "=a"(prev)
-				     : "q"(new), "m"(*__xg(ptr)), "0"(old)
-				     : "memory");
-		return prev;
-	case 2:
-		__asm__ __volatile__(LOCK_PREFIX "cmpxchgw %w1,%2"
-				     : "=a"(prev)
-				     : "q"(new), "m"(*__xg(ptr)), "0"(old)
-				     : "memory");
-		return prev;
-	case 4:
-		__asm__ __volatile__(LOCK_PREFIX "cmpxchgl %1,%2"
-				     : "=a"(prev)
-				     : "q"(new), "m"(*__xg(ptr)), "0"(old)
-				     : "memory");
-		return prev;
-	}
-	return old;
-}
-
-#elif defined(__powerpc__)
-extern void __cmpxchg_called_with_bad_pointer(void);
-static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old,
-                                      unsigned long new, int size)
-{
-	unsigned long prev;
-
-	switch (size) {
-	case 4:
-		__asm__ __volatile__(
-			"sync;"
-			"0:    lwarx %0,0,%1 ;"
-			"      cmpl 0,%0,%3;"
-			"      bne 1f;"
-			"      stwcx. %2,0,%1;"
-			"      bne- 0b;"
-			"1:    "
-			"sync;"
-			: "=&r"(prev)
-			: "r"(ptr), "r"(new), "r"(old)
-			: "cr0", "memory");
-		return prev;
-	}
-	__cmpxchg_called_with_bad_pointer();
-	return old;
-}
-
-#endif /* i386, powerpc & alpha */
-
-#ifndef __alpha__
-#define cmpxchg(ptr,o,n)						\
-  ((__typeof__(*(ptr)))__cmpxchg((ptr),(unsigned long)(o),		\
-				 (unsigned long)(n),sizeof(*(ptr))))
-#endif
-
-#endif /* !__HAVE_ARCH_CMPXCHG */
 
 				/* Macros to make printk easier */
 #define DRM_ERROR(fmt, arg...) \
@@ -621,6 +443,8 @@ typedef struct drm_agp_head {
 	int                acquired;
 	unsigned long      base;
    	int 		   agp_mtrr;
+	int		   cant_use_aperture;
+	unsigned long	   page_mask;
 } drm_agp_head_t;
 #endif
 
@@ -629,9 +453,7 @@ typedef struct drm_sg_mem {
 	void            *virtual;
 	int             pages;
 	struct page     **pagelist;
-#if defined(__alpha__) && (LINUX_VERSION_CODE >= 0x020400)
 	dma_addr_t	*busaddr;
-#endif
 } drm_sg_mem_t;
 
 typedef struct drm_sigdata {
@@ -722,8 +544,8 @@ typedef struct drm_device {
 #if __REALLY_HAVE_AGP
 	drm_agp_head_t    *agp;
 #endif
-#ifdef __alpha__
 	struct pci_dev *pdev;
+#ifdef __alpha__
 #if LINUX_VERSION_CODE < 0x020403
 	struct pci_controler *hose;
 #else
@@ -772,21 +594,6 @@ extern unsigned int  DRM(poll)(struct file *filp,
 			       struct poll_table_struct *wait);
 
 				/* Mapping support (drm_vm.h) */
-#if LINUX_VERSION_CODE < 0x020317
-extern unsigned long DRM(vm_nopage)(struct vm_area_struct *vma,
-				    unsigned long address,
-				    int write_access);
-extern unsigned long DRM(vm_shm_nopage)(struct vm_area_struct *vma,
-					unsigned long address,
-					int write_access);
-extern unsigned long DRM(vm_dma_nopage)(struct vm_area_struct *vma,
-					unsigned long address,
-					int write_access);
-extern unsigned long DRM(vm_sg_nopage)(struct vm_area_struct *vma,
-				       unsigned long address,
-				       int write_access);
-#else
-				/* Return type changed in 2.3.23 */
 extern struct page *DRM(vm_nopage)(struct vm_area_struct *vma,
 				   unsigned long address,
 				   int write_access);
@@ -799,7 +606,6 @@ extern struct page *DRM(vm_dma_nopage)(struct vm_area_struct *vma,
 extern struct page *DRM(vm_sg_nopage)(struct vm_area_struct *vma,
 				      unsigned long address,
 				      int write_access);
-#endif
 extern void	     DRM(vm_open)(struct vm_area_struct *vma);
 extern void	     DRM(vm_close)(struct vm_area_struct *vma);
 extern void	     DRM(vm_shm_close)(struct vm_area_struct *vma);
diff --git a/linux/drm_agpsupport.h b/linux/drm_agpsupport.h
index 66d1defc..fc0b29aa 100644
--- a/linux/drm_agpsupport.h
+++ b/linux/drm_agpsupport.h
@@ -35,12 +35,8 @@
 
 #if __REALLY_HAVE_AGP
 
-#if LINUX_VERSION_CODE < 0x020400
-#include "agpsupport-pre24.h"
-#else
 #define DRM_AGP_GET (drm_agp_t *)inter_module_get("drm_agp")
 #define DRM_AGP_PUT inter_module_put("drm_agp")
-#endif
 
 static const drm_agp_t *drm_agp = NULL;
 
@@ -271,22 +267,24 @@ drm_agp_head_t *DRM(agp_init)(void)
 		case INTEL_GX:		head->chipset = "Intel 440GX";   break;
 		case INTEL_I810:	head->chipset = "Intel i810";    break;
 
-#if LINUX_VERSION_CODE >= 0x020400
 		case INTEL_I815:	head->chipset = "Intel i815";	 break;
+#if LINUX_VERSION_CODE >= 0x020415
+	 	case INTEL_I820:	head->chipset = "Intel i820";	 break;
+#endif
 		case INTEL_I840:	head->chipset = "Intel i840";    break;
-		case INTEL_I850:	head->chipset = "Intel i850";	 break;
+#if LINUX_VERSION_CODE >= 0x020415
+		case INTEL_I845:	head->chipset = "Intel i845";    break;
 #endif
+		case INTEL_I850:	head->chipset = "Intel i850";	 break;
 
 		case VIA_GENERIC:	head->chipset = "VIA";           break;
 		case VIA_VP3:		head->chipset = "VIA VP3";       break;
 		case VIA_MVP3:		head->chipset = "VIA MVP3";      break;
-#if LINUX_VERSION_CODE >= 0x020400
 		case VIA_MVP4:		head->chipset = "VIA MVP4";      break;
 		case VIA_APOLLO_KX133:	head->chipset = "VIA Apollo KX133";
 			break;
 		case VIA_APOLLO_KT133:	head->chipset = "VIA Apollo KT133";
 			break;
-#endif
 
 		case VIA_APOLLO_PRO: 	head->chipset = "VIA Apollo Pro";
 			break;
@@ -316,6 +314,14 @@ drm_agp_head_t *DRM(agp_init)(void)
 
 		default:		head->chipset = "Unknown";       break;
 		}
+#if LINUX_VERSION_CODE <= 0x020408
+		head->cant_use_aperture = 0;
+		head->page_mask = ~(0xfff);
+#else
+		head->cant_use_aperture = head->agp_info.cant_use_aperture;
+		head->page_mask = head->agp_info.page_mask;
+#endif
+
 		DRM_INFO("AGP %d.%d on %s @ 0x%08lx %ZuMB\n",
 			 head->agp_info.version.major,
 			 head->agp_info.version.minor,
diff --git a/linux/drm_bufs.h b/linux/drm_bufs.h
index ec5dd543..3ff3527f 100644
--- a/linux/drm_bufs.h
+++ b/linux/drm_bufs.h
@@ -229,11 +229,7 @@ int DRM(rmmap)(struct inode *inode, struct file *filp,
 	DRM(free)(list, sizeof(*list), DRM_MEM_MAPS);
 
 	for (pt = dev->vmalist, prev = NULL; pt; prev = pt, pt = pt->next) {
-#if LINUX_VERSION_CODE >= 0x020300
 		if (pt->vma->vm_private_data == map) found_maps++;
-#else
-		if (pt->vma->vm_pte == map) found_maps++;
-#endif
 	}
 
 	if(!found_maps) {
diff --git a/linux/drm_context.h b/linux/drm_context.h
index eb4d61c8..e155946d 100644
--- a/linux/drm_context.h
+++ b/linux/drm_context.h
@@ -27,6 +27,10 @@
  * Authors:
  *    Rickard E. (Rik) Faith <faith@valinux.com>
  *    Gareth Hughes <gareth@valinux.com>
+ * ChangeLog:
+ *  2001-11-16	Torsten Duwe <duwe@caldera.de>
+ *		added context constructor/destructor hooks,
+ *		needed by SiS driver's memory management.
  */
 
 #define __NO_VERSION__
@@ -181,7 +185,7 @@ int DRM(setsareactx)(struct inode *inode, struct file *filp,
 	drm_device_t	*dev	= priv->dev;
 	drm_ctx_priv_map_t request;
 	drm_map_t *map = NULL;
-	drm_map_list_t *r_list;
+	drm_map_list_t *r_list = NULL;
 	struct list_head *list;
 
 	if (copy_from_user(&request,
@@ -316,6 +320,10 @@ int DRM(addctx)( struct inode *inode, struct file *filp,
 				/* Should this return -EBUSY instead? */
 		return -ENOMEM;
 	}
+#ifdef DRIVER_CTX_CTOR
+	if ( ctx.handle != DRM_KERNEL_CONTEXT )
+		DRIVER_CTX_CTOR(ctx.handle); /* XXX: also pass dev ? */
+#endif
 
 	if ( copy_to_user( (drm_ctx_t *)arg, &ctx, sizeof(ctx) ) )
 		return -EFAULT;
@@ -390,6 +398,9 @@ int DRM(rmctx)( struct inode *inode, struct file *filp,
 		priv->remove_auth_on_close = 1;
 	}
 	if ( ctx.handle != DRM_KERNEL_CONTEXT ) {
+#ifdef DRIVER_CTX_DTOR
+		DRIVER_CTX_DTOR(ctx.handle); /* XXX: also pass dev ? */
+#endif
 		DRM(ctxbitmap_free)( dev, ctx.handle );
 	}
 
diff --git a/linux/drm_drv.h b/linux/drm_drv.h
index e1aff06d..23568288 100644
--- a/linux/drm_drv.h
+++ b/linux/drm_drv.h
@@ -113,7 +113,6 @@
 #define DRIVER_IOCTLS
 #endif
 #ifndef DRIVER_FOPS
-#if LINUX_VERSION_CODE >= 0x020400
 #define DRIVER_FOPS				\
 static struct file_operations	DRM(fops) = {	\
 	owner:   THIS_MODULE,			\
@@ -126,19 +125,6 @@ static struct file_operations	DRM(fops) = {	\
 	fasync:	 DRM(fasync),			\
 	poll:	 DRM(poll),			\
 }
-#else
-#define DRIVER_FOPS				\
-static struct file_operations	DRM(fops) = {	\
-	open:	 DRM(open),			\
-	flush:	 DRM(flush),			\
-	release: DRM(release),			\
-	ioctl:	 DRM(ioctl),			\
-	mmap:	 DRM(mmap),			\
-	read:	 DRM(read),			\
-	fasync:	 DRM(fasync),			\
-	poll:	 DRM(poll),			\
-}
-#endif
 #endif
 
 
@@ -234,6 +220,9 @@ static char *drm_opts = NULL;
 MODULE_AUTHOR( DRIVER_AUTHOR );
 MODULE_DESCRIPTION( DRIVER_DESC );
 MODULE_PARM( drm_opts, "s" );
+#ifdef MODULE_LICENSE
+MODULE_LICENSE("GPL and additional rights");
+#endif
 
 static int DRM(setup)( drm_device_t *dev )
 {
@@ -731,9 +720,6 @@ int DRM(open)( struct inode *inode, struct file *filp )
 
 	retcode = DRM(open_helper)( inode, filp, dev );
 	if ( !retcode ) {
-#if LINUX_VERSION_CODE < 0x020333
-		MOD_INC_USE_COUNT; /* Needed before Linux 2.3.51 */
-#endif
 		atomic_inc( &dev->counts[_DRM_STAT_OPENS] );
 		spin_lock( &dev->count_lock );
 		if ( !dev->open_count++ ) {
@@ -852,9 +838,6 @@ int DRM(release)( struct inode *inode, struct file *filp )
 	 * End inline drm_release
 	 */
 
-#if LINUX_VERSION_CODE < 0x020333
-	MOD_DEC_USE_COUNT; /* Needed before Linux 2.3.51 */
-#endif
 	atomic_inc( &dev->counts[_DRM_STAT_CLOSES] );
 	spin_lock( &dev->count_lock );
 	if ( !--dev->open_count ) {
diff --git a/linux/drm_fops.h b/linux/drm_fops.h
index 3656c5e9..9c2135fe 100644
--- a/linux/drm_fops.h
+++ b/linux/drm_fops.h
@@ -125,21 +125,31 @@ ssize_t DRM(read)(struct file *filp, char *buf, size_t count, loff_t *off)
 	int	      avail;
 	int	      send;
 	int	      cur;
+	DECLARE_WAITQUEUE(wait, current);
 
 	DRM_DEBUG("%p, %p\n", dev->buf_rp, dev->buf_wp);
 
+	add_wait_queue(&dev->buf_readers, &wait);
+	set_current_state(TASK_INTERRUPTIBLE);
 	while (dev->buf_rp == dev->buf_wp) {
 		DRM_DEBUG("  sleeping\n");
 		if (filp->f_flags & O_NONBLOCK) {
+			remove_wait_queue(&dev->buf_readers, &wait);
+			set_current_state(TASK_RUNNING);
 			return -EAGAIN;
 		}
-		interruptible_sleep_on(&dev->buf_readers);
+		schedule(); /* wait for dev->buf_readers */
 		if (signal_pending(current)) {
 			DRM_DEBUG("  interrupted\n");
+			remove_wait_queue(&dev->buf_readers, &wait);
+			set_current_state(TASK_RUNNING);
 			return -ERESTARTSYS;
 		}
 		DRM_DEBUG("  awake\n");
+		set_current_state(TASK_INTERRUPTIBLE);
 	}
+	remove_wait_queue(&dev->buf_readers, &wait);
+	set_current_state(TASK_RUNNING);
 
 	left  = (dev->buf_rp + DRM_BSZ - dev->buf_wp) % DRM_BSZ;
 	avail = DRM_BSZ - left;
@@ -191,24 +201,8 @@ int DRM(write_string)(drm_device_t *dev, const char *s)
 		send -= count;
 	}
 
-#if LINUX_VERSION_CODE < 0x020315 && !defined(KILLFASYNCHASTHREEPARAMETERS)
-	/* The extra parameter to kill_fasync was added in 2.3.21, and is
-           _not_ present in _stock_ 2.2.14 and 2.2.15.  However, some
-           distributions patch 2.2.x kernels to add this parameter.  The
-           Makefile.linux attempts to detect this addition and defines
-           KILLFASYNCHASTHREEPARAMETERS if three parameters are found. */
-	if (dev->buf_async) kill_fasync(dev->buf_async, SIGIO);
-#else
-
-				/* Parameter added in 2.3.21. */
-#if LINUX_VERSION_CODE < 0x020400
-	if (dev->buf_async) kill_fasync(dev->buf_async, SIGIO, POLL_IN);
-#else
-				/* Type of first parameter changed in
-                                   Linux 2.4.0-test2... */
 	if (dev->buf_async) kill_fasync(&dev->buf_async, SIGIO, POLL_IN);
-#endif
-#endif
+
 	DRM_DEBUG("waking\n");
 	wake_up_interruptible(&dev->buf_readers);
 	return 0;
diff --git a/linux/drm_ioctl.h b/linux/drm_ioctl.h
index adcb22c8..0d8a1259 100644
--- a/linux/drm_ioctl.h
+++ b/linux/drm_ioctl.h
@@ -98,7 +98,6 @@ int DRM(setunique)(struct inode *inode, struct file *filp,
 	}
 	sprintf(dev->devname, "%s@%s", dev->name, dev->unique);
 
-#ifdef __alpha__
 	do {
 		struct pci_dev *pci_dev;
                 int b, d, f;
@@ -116,10 +115,11 @@ int DRM(setunique)(struct inode *inode, struct file *filp,
                 pci_dev = pci_find_slot(b, PCI_DEVFN(d,f));
                 if (pci_dev) {
 			dev->pdev = pci_dev;
+#ifdef __alpha__
 			dev->hose = pci_dev->sysdata;
+#endif
 		}
         } while(0);
-#endif
 
 	return 0;
 }
diff --git a/linux/drm_memory.h b/linux/drm_memory.h
index 498937d4..f11b80c3 100644
--- a/linux/drm_memory.h
+++ b/linux/drm_memory.h
@@ -85,12 +85,7 @@ void DRM(mem_init)(void)
 	}
 
 	si_meminfo(&si);
-#if LINUX_VERSION_CODE < 0x020317
-				/* Changed to page count in 2.3.23 */
-	DRM(ram_available) = si.totalram >> PAGE_SHIFT;
-#else
 	DRM(ram_available) = si.totalram;
-#endif
 	DRM(ram_used)	   = 0;
 }
 
@@ -257,12 +252,7 @@ unsigned long DRM(alloc_pages)(int order, int area)
 	for (addr = address, sz = bytes;
 	     sz > 0;
 	     addr += PAGE_SIZE, sz -= PAGE_SIZE) {
-#if LINUX_VERSION_CODE >= 0x020400
-				/* Argument type changed in 2.4.0-test6/pre8 */
 		mem_map_reserve(virt_to_page(addr));
-#else
-		mem_map_reserve(MAP_NR(addr));
-#endif
 	}
 
 	return address;
@@ -283,12 +273,7 @@ void DRM(free_pages)(unsigned long address, int order, int area)
 		for (addr = address, sz = bytes;
 		     sz > 0;
 		     addr += PAGE_SIZE, sz -= PAGE_SIZE) {
-#if LINUX_VERSION_CODE >= 0x020400
-				/* Argument type changed in 2.4.0-test6/pre8 */
 			mem_map_unreserve(virt_to_page(addr));
-#else
-			mem_map_unreserve(MAP_NR(addr));
-#endif
 		}
 		free_pages(address, order);
 	}
diff --git a/linux/drm_proc.h b/linux/drm_proc.h
index f65f42b7..24e8556f 100644
--- a/linux/drm_proc.h
+++ b/linux/drm_proc.h
@@ -186,7 +186,7 @@ static int DRM(_vm_info)(char *buf, char **start, off_t offset, int request,
 	DRM_PROC_PRINT("slot	 offset	      size type flags	 "
 		       "address mtrr\n\n");
 	i = 0;
-	list_for_each(list, &dev->maplist->head) {
+	if (dev->maplist != NULL) list_for_each(list, &dev->maplist->head) {
 		r_list = (drm_map_list_t *)list;
 		map = r_list->map;
 		if(!map) continue;
diff --git a/linux/drm_scatter.h b/linux/drm_scatter.h
index 66d34968..a6b8275f 100644
--- a/linux/drm_scatter.h
+++ b/linux/drm_scatter.h
@@ -47,11 +47,9 @@ void DRM(sg_cleanup)( drm_sg_mem_t *entry )
 
 	vfree( entry->virtual );
 
-#if defined(__alpha__) && (LINUX_VERSION_CODE >= 0x020400)
 	DRM(free)( entry->busaddr,
 		   entry->pages * sizeof(*entry->busaddr),
 		   DRM_MEM_PAGES );
-#endif
 	DRM(free)( entry->pagelist,
 		   entry->pages * sizeof(*entry->pagelist),
 		   DRM_MEM_PAGES );
@@ -99,7 +97,6 @@ int DRM(sg_alloc)( struct inode *inode, struct file *filp,
 		return -ENOMEM;
 	}
 
-#if defined(__alpha__) && (LINUX_VERSION_CODE >= 0x020400)
 	entry->busaddr = DRM(alloc)( pages * sizeof(*entry->busaddr),
 				     DRM_MEM_PAGES );
 	if ( !entry->busaddr ) {
@@ -112,15 +109,12 @@ int DRM(sg_alloc)( struct inode *inode, struct file *filp,
 		return -ENOMEM;
 	}
 	memset( (void *)entry->busaddr, 0, pages * sizeof(*entry->busaddr) );
-#endif
 
 	entry->virtual = vmalloc_32( pages << PAGE_SHIFT );
 	if ( !entry->virtual ) {
-#if defined(__alpha__) && (LINUX_VERSION_CODE >= 0x020400)
 		DRM(free)( entry->busaddr,
 			   entry->pages * sizeof(*entry->busaddr),
 			   DRM_MEM_PAGES );
-#endif
 		DRM(free)( entry->pagelist,
 			   entry->pages * sizeof(*entry->pagelist),
 			   DRM_MEM_PAGES );
diff --git a/linux/drm_stub.h b/linux/drm_stub.h
index fe8a1bc9..ead5b959 100644
--- a/linux/drm_stub.h
+++ b/linux/drm_stub.h
@@ -31,10 +31,6 @@
 #define __NO_VERSION__
 #include "drmP.h"
 
-#if LINUX_VERSION_CODE < 0x020400
-#include "stubsupport-pre24.h"
-#endif
-
 #define DRM_STUB_MAXCARDS 16	/* Enough for one machine */
 
 static struct drm_stub_list {
@@ -70,9 +66,7 @@ static int DRM(stub_open)(struct inode *inode, struct file *filp)
 }
 
 static struct file_operations DRM(stub_fops) = {
-#if LINUX_VERSION_CODE >= 0x020400
 	owner:   THIS_MODULE,
-#endif
 	open:	 DRM(stub_open)
 };
 
diff --git a/linux/drm_vm.h b/linux/drm_vm.h
index d9ee0ff4..5fd3571a 100644
--- a/linux/drm_vm.h
+++ b/linux/drm_vm.h
@@ -56,18 +56,11 @@ struct vm_operations_struct   DRM(vm_sg_ops) = {
 	close:   DRM(vm_close),
 };
 
-#if LINUX_VERSION_CODE < 0x020317
-unsigned long DRM(vm_nopage)(struct vm_area_struct *vma,
-			     unsigned long address,
-			     int write_access)
-#else
-				/* Return type changed in 2.3.23 */
 struct page *DRM(vm_nopage)(struct vm_area_struct *vma,
 			    unsigned long address,
 			    int write_access)
-#endif
 {
-#if defined(__alpha__) && __REALLY_HAVE_AGP
+#if __REALLY_HAVE_AGP
 	drm_file_t *priv  = vma->vm_file->private_data;
 	drm_device_t *dev = priv->dev;
 	drm_map_t *map    = NULL;
@@ -77,6 +70,9 @@ struct page *DRM(vm_nopage)(struct vm_area_struct *vma,
 	/*
          * Find the right map
          */
+
+	if(!dev->agp->cant_use_aperture) goto vm_nopage_error;
+
 	list_for_each(list, &dev->maplist->head) {
 		r_list = (drm_map_list_t *)list;
 		map = r_list->map;
@@ -90,10 +86,12 @@ struct page *DRM(vm_nopage)(struct vm_area_struct *vma,
 		struct drm_agp_mem *agpmem;
 		struct page *page;
 
+#if __alpha__
 		/*
-                 * Make it a bus-relative address
+                 * Adjust to a bus-relative address
                  */
 		baddr -= dev->hose->mem_space->start;
+#endif
 
 		/*
                  * It's AGP memory - find the real physical page to map
@@ -104,50 +102,32 @@ struct page *DRM(vm_nopage)(struct vm_area_struct *vma,
 				break;
 		}
 
-		if (!agpmem) {
-			/*
-                         * Oops - no memory found
-                         */
-			return NOPAGE_SIGBUS;   /* couldn't find it */
-                }
+		if (!agpmem) goto vm_nopage_error;
 
 		/*
                  * Get the page, inc the use count, and return it
                  */
 		offset = (baddr - agpmem->bound) >> PAGE_SHIFT;
-		agpmem->memory->memory[offset] &= ~1UL; /* HACK */
+		agpmem->memory->memory[offset] &= dev->agp->page_mask;
 		page = virt_to_page(__va(agpmem->memory->memory[offset]));
-#if 0
-		DRM_ERROR("baddr = 0x%lx page = 0x%lx, offset = 0x%lx\n",
-			  baddr, __va(agpmem->memory->memory[offset]), offset);
-#endif
 		get_page(page);
-#if LINUX_VERSION_CODE < 0x020317
-		return page_address(page);
-#else
+
+		DRM_DEBUG("baddr = 0x%lx page = 0x%p, offset = 0x%lx\n",
+			  baddr, __va(agpmem->memory->memory[offset]), offset);
+
 		return page;
-#endif
         }
-#endif
+vm_nopage_error:
+#endif /* __REALLY_HAVE_AGP */
+
 	return NOPAGE_SIGBUS;		/* Disallow mremap */
 }
 
-#if LINUX_VERSION_CODE < 0x020317
-unsigned long DRM(vm_shm_nopage)(struct vm_area_struct *vma,
-				 unsigned long address,
-				 int write_access)
-#else
-				/* Return type changed in 2.3.23 */
 struct page *DRM(vm_shm_nopage)(struct vm_area_struct *vma,
 				unsigned long address,
 				int write_access)
-#endif
 {
-#if LINUX_VERSION_CODE >= 0x020300
 	drm_map_t	 *map	 = (drm_map_t *)vma->vm_private_data;
-#else
-	drm_map_t	 *map	 = (drm_map_t *)vma->vm_pte;
-#endif
 	unsigned long	 offset;
 	unsigned long	 i;
 	pgd_t		 *pgd;
@@ -174,11 +154,7 @@ struct page *DRM(vm_shm_nopage)(struct vm_area_struct *vma,
 	get_page(page);
 
 	DRM_DEBUG("0x%08lx => 0x%08x\n", address, page_to_bus(page));
-#if LINUX_VERSION_CODE < 0x020317
-	return page_address(page);
-#else
 	return page;
-#endif
 }
 
 /* Special close routine which deletes map information if we are the last
@@ -197,25 +173,14 @@ void DRM(vm_shm_close)(struct vm_area_struct *vma)
 
 	DRM_DEBUG("0x%08lx,0x%08lx\n",
 		  vma->vm_start, vma->vm_end - vma->vm_start);
-#if LINUX_VERSION_CODE < 0x020333
-	MOD_DEC_USE_COUNT; /* Needed before Linux 2.3.51 */
-#endif
 	atomic_dec(&dev->vma_count);
 
-#if LINUX_VERSION_CODE >= 0x020300
 	map = vma->vm_private_data;
-#else
-	map = vma->vm_pte;
-#endif
 
 	down(&dev->struct_sem);
 	for (pt = dev->vmalist, prev = NULL; pt; pt = next) {
 		next = pt->next;
-#if LINUX_VERSION_CODE >= 0x020300
 		if (pt->vma->vm_private_data == map) found_maps++;
-#else
-		if (pt->vma->vm_pte == map) found_maps++;
-#endif
 		if (pt->vma == vma) {
 			if (prev) {
 				prev->next = pt->next;
@@ -268,16 +233,9 @@ void DRM(vm_shm_close)(struct vm_area_struct *vma)
 	up(&dev->struct_sem);
 }
 
-#if LINUX_VERSION_CODE < 0x020317
-unsigned long DRM(vm_dma_nopage)(struct vm_area_struct *vma,
-				 unsigned long address,
-				 int write_access)
-#else
-				/* Return type changed in 2.3.23 */
 struct page *DRM(vm_dma_nopage)(struct vm_area_struct *vma,
 				unsigned long address,
 				int write_access)
-#endif
 {
 	drm_file_t	 *priv	 = vma->vm_file->private_data;
 	drm_device_t	 *dev	 = priv->dev;
@@ -299,29 +257,14 @@ struct page *DRM(vm_dma_nopage)(struct vm_area_struct *vma,
 
 	DRM_DEBUG("0x%08lx (page %lu) => 0x%08x\n", address, page_nr, 
 		  page_to_bus(page));
-#if LINUX_VERSION_CODE < 0x020317
-	return page_address(page);
-#else
 	return page;
-#endif
 }
 
-#if LINUX_VERSION_CODE < 0x020317
-unsigned long DRM(vm_sg_nopage)(struct vm_area_struct *vma,
-				unsigned long address,
-				int write_access)
-#else
-				/* Return type changed in 2.3.23 */
 struct page *DRM(vm_sg_nopage)(struct vm_area_struct *vma,
 			       unsigned long address,
 			       int write_access)
-#endif
 {
-#if LINUX_VERSION_CODE >= 0x020300
 	drm_map_t        *map    = (drm_map_t *)vma->vm_private_data;
-#else
-	drm_map_t        *map    = (drm_map_t *)vma->vm_pte;
-#endif
 	drm_file_t *priv = vma->vm_file->private_data;
 	drm_device_t *dev = priv->dev;
 	drm_sg_mem_t *entry = dev->sg;
@@ -341,11 +284,7 @@ struct page *DRM(vm_sg_nopage)(struct vm_area_struct *vma,
 	page = entry->pagelist[page_offset];
 	get_page(page);
 
-#if LINUX_VERSION_CODE < 0x020317
-	return page_address(page);
-#else
 	return page;
-#endif
 }
 
 void DRM(vm_open)(struct vm_area_struct *vma)
@@ -357,10 +296,6 @@ void DRM(vm_open)(struct vm_area_struct *vma)
 	DRM_DEBUG("0x%08lx,0x%08lx\n",
 		  vma->vm_start, vma->vm_end - vma->vm_start);
 	atomic_inc(&dev->vma_count);
-#if LINUX_VERSION_CODE < 0x020333
-				/* The map can exist after the fd is closed. */
-	MOD_INC_USE_COUNT; /* Needed before Linux 2.3.51 */
-#endif
 
 	vma_entry = DRM(alloc)(sizeof(*vma_entry), DRM_MEM_VMAS);
 	if (vma_entry) {
@@ -381,9 +316,6 @@ void DRM(vm_close)(struct vm_area_struct *vma)
 
 	DRM_DEBUG("0x%08lx,0x%08lx\n",
 		  vma->vm_start, vma->vm_end - vma->vm_start);
-#if LINUX_VERSION_CODE < 0x020333
-	MOD_DEC_USE_COUNT; /* Needed before Linux 2.3.51 */
-#endif
 	atomic_dec(&dev->vma_count);
 
 	down(&dev->struct_sem);
@@ -422,13 +354,13 @@ int DRM(mmap_dma)(struct file *filp, struct vm_area_struct *vma)
 	unlock_kernel();
 
 	vma->vm_ops   = &DRM(vm_dma_ops);
-	vma->vm_flags |= VM_LOCKED | VM_SHM; /* Don't swap */
 
-#if LINUX_VERSION_CODE < 0x020203 /* KERNEL_VERSION(2,2,3) */
-				/* In Linux 2.2.3 and above, this is
-				   handled in do_mmap() in mm/mmap.c. */
-	++filp->f_count;
+#if LINUX_VERSION_CODE <= 0x020414
+	vma->vm_flags |= VM_LOCKED | VM_SHM; /* Don't swap */
+#else
+	vma->vm_flags |= VM_RESERVED; /* Don't swap */
 #endif
+
 	vma->vm_file  =	 filp;	/* Needed for drm_vm_open() */
 	DRM(vm_open)(vma);
 	return 0;
@@ -543,34 +475,33 @@ int DRM(mmap)(struct file *filp, struct vm_area_struct *vma)
 		break;
 	case _DRM_SHM:
 		vma->vm_ops = &DRM(vm_shm_ops);
-#if LINUX_VERSION_CODE >= 0x020300
 		vma->vm_private_data = (void *)map;
-#else
-		vma->vm_pte = (unsigned long)map;
-#endif
 				/* Don't let this area swap.  Change when
 				   DRM_KERNEL advisory is supported. */
+#if LINUX_VERSION_CODE <= 0x020414
 		vma->vm_flags |= VM_LOCKED;
+#else
+		vma->vm_flags |= VM_RESERVED;
+#endif
 		break;
 	case _DRM_SCATTER_GATHER:
 		vma->vm_ops = &DRM(vm_sg_ops);
-#if LINUX_VERSION_CODE >= 0x020300
 		vma->vm_private_data = (void *)map;
+#if LINUX_VERSION_CODE <= 0x020414
+		vma->vm_flags |= VM_LOCKED;
 #else
-		vma->vm_pte = (unsigned long)map;
+		vma->vm_flags |= VM_RESERVED;
 #endif
-                vma->vm_flags |= VM_LOCKED;
                 break;
 	default:
 		return -EINVAL;	/* This should never happen. */
 	}
+#if LINUX_VERSION_CODE <= 0x020414
 	vma->vm_flags |= VM_LOCKED | VM_SHM; /* Don't swap */
-
-#if LINUX_VERSION_CODE < 0x020203 /* KERNEL_VERSION(2,2,3) */
-				/* In Linux 2.2.3 and above, this is
-				   handled in do_mmap() in mm/mmap.c. */
-	++filp->f_count;
+#else
+	vma->vm_flags |= VM_RESERVED; /* Don't swap */
 #endif
+
 	vma->vm_file  =	 filp;	/* Needed for drm_vm_open() */
 	DRM(vm_open)(vma);
 	return 0;
diff --git a/linux/i810_dma.c b/linux/i810_dma.c
index d6933d57..ae0a3616 100644
--- a/linux/i810_dma.c
+++ b/linux/i810_dma.c
@@ -86,6 +86,7 @@ static inline void i810_print_status_page(drm_device_t *dev)
    	DRM_DEBUG(  "hw_status: LpRing Head ptr : %x\n", temp[1]);
    	DRM_DEBUG(  "hw_status: IRing Head ptr : %x\n", temp[2]);
       	DRM_DEBUG(  "hw_status: Reserved : %x\n", temp[3]);
+	DRM_DEBUG(  "hw_status: Last Render: %x\n", temp[4]);
    	DRM_DEBUG(  "hw_status: Driver Counter : %d\n", temp[5]);
    	for(i = 6; i < dma->buf_count + 6; i++) {
 	   	DRM_DEBUG( "buffer status idx : %d used: %d\n", i - 6, temp[i]);
@@ -227,14 +228,9 @@ static int i810_unmap_buffer(drm_buf_t *buf)
 #else
 		down_write( &current->mm->mmap_sem );
 #endif
-#if LINUX_VERSION_CODE < 0x020399
-        	retcode = do_munmap((unsigned long)buf_priv->virtual,
-				    (size_t) buf->total);
-#else
         	retcode = do_munmap(current->mm,
 				    (unsigned long)buf_priv->virtual,
 				    (size_t) buf->total);
-#endif
 #if LINUX_VERSION_CODE <= 0x020402
 		up( &current->mm->mmap_sem );
 #else
@@ -476,6 +472,9 @@ static int i810_dma_initialize(drm_device_t *dev,
 	dev_priv->back_offset = init->back_offset;
 	dev_priv->depth_offset = init->depth_offset;
 
+	dev_priv->overlay_offset = init->overlay_offset;
+	dev_priv->overlay_physical = init->overlay_physical;
+
 	dev_priv->front_di1 = init->front_offset | init->pitch_bits;
 	dev_priv->back_di1 = init->back_offset | init->pitch_bits;
 	dev_priv->zi1 = init->depth_offset | init->pitch_bits;
@@ -1264,3 +1263,156 @@ int i810_docopy(struct inode *inode, struct file *filp, unsigned int cmd,
 	if(VM_DONTCOPY == 0) return 1;
 	return 0;
 }
+
+static void i810_dma_dispatch_mc(drm_device_t *dev, drm_buf_t *buf, int used,
+		unsigned int last_render)
+{
+	drm_i810_private_t *dev_priv = dev->dev_private;
+	drm_i810_buf_priv_t *buf_priv = buf->dev_private;
+	drm_i810_sarea_t *sarea_priv = dev_priv->sarea_priv;
+	unsigned long address = (unsigned long)buf->bus_address;
+	unsigned long start = address - dev->agp->base;
+	int u;
+	RING_LOCALS;
+
+	i810_kernel_lost_context(dev);
+
+	u = cmpxchg(buf_priv->in_use, I810_BUF_CLIENT,
+		I810_BUF_HARDWARE);
+	if(u != I810_BUF_CLIENT) {
+		DRM_DEBUG("MC found buffer that isn't mine!\n");
+	}
+
+	if (used > 4*1024)
+		used = 0;
+
+	sarea_priv->dirty = 0x7f;
+
+	DRM_DEBUG("dispatch mc addr 0x%lx, used 0x%x\n",
+		address, used);
+
+	dev_priv->counter++;
+	DRM_DEBUG("dispatch counter : %ld\n", dev_priv->counter);
+	DRM_DEBUG("i810_dma_dispatch_mc\n");
+	DRM_DEBUG("start : %lx\n", start);
+	DRM_DEBUG("used : %d\n", used);
+	DRM_DEBUG("start + used - 4 : %ld\n", start + used - 4);
+
+	if (buf_priv->currently_mapped == I810_BUF_MAPPED) {
+		if (used & 4) {
+			*(u32 *)((u32)buf_priv->virtual + used) = 0;
+			used += 4;
+		}
+
+		i810_unmap_buffer(buf);
+	}
+	BEGIN_LP_RING(4);
+	OUT_RING( CMD_OP_BATCH_BUFFER );
+	OUT_RING( start | BB1_PROTECTED );
+	OUT_RING( start + used - 4 );
+	OUT_RING( 0 );
+	ADVANCE_LP_RING();
+
+
+	BEGIN_LP_RING(8);
+	OUT_RING( CMD_STORE_DWORD_IDX );
+	OUT_RING( buf_priv->my_use_idx );
+	OUT_RING( I810_BUF_FREE );
+	OUT_RING( 0 );
+
+	OUT_RING( CMD_STORE_DWORD_IDX );
+	OUT_RING( 16 );
+	OUT_RING( last_render );
+	OUT_RING( 0 );
+	ADVANCE_LP_RING();
+}
+
+int i810_dma_mc(struct inode *inode, struct file *filp,
+	unsigned int cmd, unsigned long arg)
+{
+	drm_file_t *priv = filp->private_data;
+	drm_device_t *dev = priv->dev;
+	drm_device_dma_t *dma = dev->dma;
+	drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private;
+	u32 *hw_status = (u32 *)dev_priv->hw_status_page;
+	drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *)
+		dev_priv->sarea_priv;
+	drm_i810_mc_t mc;
+
+	if (copy_from_user(&mc, (drm_i810_mc_t *)arg, sizeof(mc)))
+		return -EFAULT;
+
+
+	if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
+		DRM_ERROR("i810_dma_mc called without lock held\n");
+		return -EINVAL;
+	}
+
+	i810_dma_dispatch_mc(dev, dma->buflist[mc.idx], mc.used,
+		mc.last_render );
+
+	atomic_add(mc.used, &dev->counts[_DRM_STAT_SECONDARY]);
+	atomic_inc(&dev->counts[_DRM_STAT_DMA]);
+	sarea_priv->last_enqueue = dev_priv->counter-1;
+	sarea_priv->last_dispatch = (int) hw_status[5];
+
+	return 0;
+}
+
+int i810_rstatus(struct inode *inode, struct file *filp,
+		unsigned int cmd, unsigned long arg)
+{
+	drm_file_t *priv = filp->private_data;
+	drm_device_t *dev = priv->dev;
+	drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private;
+
+	return (int)(((u32 *)(dev_priv->hw_status_page))[4]);
+}
+
+int i810_ov0_info(struct inode *inode, struct file *filp,
+		unsigned int cmd, unsigned long arg)
+{
+	drm_file_t *priv = filp->private_data;
+	drm_device_t *dev = priv->dev;
+	drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private;
+	drm_i810_overlay_t data;
+
+	data.offset = dev_priv->overlay_offset;
+	data.physical = dev_priv->overlay_physical;
+	copy_to_user((drm_i810_overlay_t *)arg,&data,sizeof(data));
+	return 0;
+}
+
+int i810_fstatus(struct inode *inode, struct file *filp,
+		unsigned int cmd, unsigned long arg)
+{
+	drm_file_t *priv = filp->private_data;
+	drm_device_t *dev = priv->dev;
+	drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private;
+
+	if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
+		DRM_ERROR("i810_fstatus called without lock held\n");
+		return -EINVAL;
+	}
+	return I810_READ(0x30008);
+}
+
+int i810_ov0_flip(struct inode *inode, struct file *filp,
+		unsigned int cmd, unsigned long arg)
+{
+	drm_file_t *priv = filp->private_data;
+	drm_device_t *dev = priv->dev;
+	drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private;
+
+	if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
+		DRM_ERROR("i810_ov0_flip called without lock held\n");
+		return -EINVAL;
+	}
+
+	//Tell the overlay to update
+	I810_WRITE(0x30000,dev_priv->overlay_physical | 0x80000000);
+
+	return 0;
+}
+
+
diff --git a/linux/i810_drm.h b/linux/i810_drm.h
index 5d47adda..8413293b 100644
--- a/linux/i810_drm.h
+++ b/linux/i810_drm.h
@@ -112,6 +112,8 @@ typedef struct _drm_i810_init {
 	unsigned int front_offset;
 	unsigned int back_offset;
 	unsigned int depth_offset;
+	unsigned int overlay_offset;
+	unsigned int overlay_physical;
 	unsigned int w;
 	unsigned int h;
 	unsigned int pitch;
@@ -196,4 +198,18 @@ typedef struct drm_i810_dma {
 	int granted;
 } drm_i810_dma_t;
 
+typedef struct _drm_i810_overlay_t {
+	unsigned int offset;    /* Address of the Overlay Regs */
+	unsigned int physical;
+} drm_i810_overlay_t;
+
+typedef struct _drm_i810_mc {
+	int idx;                /* buffer index */
+	int used;               /* nr bytes in use */
+	int num_blocks;         /* number of GFXBlocks */
+	int *length;            /* List of lengths for GFXBlocks (FUTURE)*/
+	unsigned int last_render; /* Last Render Request */
+} drm_i810_mc_t;
+
+
 #endif /* _I810_DRM_H_ */
diff --git a/linux/i810_drv.c b/linux/i810_drv.c
index a228cb46..559b2617 100644
--- a/linux/i810_drv.c
+++ b/linux/i810_drv.c
@@ -39,10 +39,10 @@
 
 #define DRIVER_NAME		"i810"
 #define DRIVER_DESC		"Intel i810"
-#define DRIVER_DATE		"20010616"
+#define DRIVER_DATE		"20010920"
 
 #define DRIVER_MAJOR		1
-#define DRIVER_MINOR		1
+#define DRIVER_MINOR		2	
 #define DRIVER_PATCHLEVEL	0
 
 #define DRIVER_IOCTLS							    \
@@ -54,7 +54,12 @@
 	[DRM_IOCTL_NR(DRM_IOCTL_I810_GETBUF)] = { i810_getbuf,      1, 0 }, \
    	[DRM_IOCTL_NR(DRM_IOCTL_I810_SWAP)]   = { i810_swap_bufs,   1, 0 }, \
    	[DRM_IOCTL_NR(DRM_IOCTL_I810_COPY)]   = { i810_copybuf,     1, 0 }, \
-   	[DRM_IOCTL_NR(DRM_IOCTL_I810_DOCOPY)] = { i810_docopy,      1, 0 },
+   	[DRM_IOCTL_NR(DRM_IOCTL_I810_DOCOPY)] = { i810_docopy,      1, 0 }, \
+	[DRM_IOCTL_NR(DRM_IOCTL_I810_OV0INFO)] = { i810_ov0_info,   1, 0 }, \
+	[DRM_IOCTL_NR(DRM_IOCTL_I810_FSTATUS)] = { i810_fstatus,    1, 0 }, \
+	[DRM_IOCTL_NR(DRM_IOCTL_I810_OV0FLIP)] = { i810_ov0_flip,   1, 0 }, \
+	[DRM_IOCTL_NR(DRM_IOCTL_I810_MC)]      = { i810_dma_mc,     1, 1 }, \
+	[DRM_IOCTL_NR(DRM_IOCTL_I810_RSTATUS)] = { i810_rstatus,    1, 0 }
 
 
 #define __HAVE_COUNTERS         4
diff --git a/linux/i810_drv.h b/linux/i810_drv.h
index e1b17148..a27384d4 100644
--- a/linux/i810_drv.h
+++ b/linux/i810_drv.h
@@ -73,6 +73,8 @@ typedef struct drm_i810_private {
 
 	int back_offset;
 	int depth_offset;
+	int overlay_offset;
+	int overlay_physical;
 	int w, h;
 	int pitch;
 } drm_i810_private_t;
@@ -94,6 +96,18 @@ extern int i810_copybuf(struct inode *inode, struct file *filp,
 extern int i810_docopy(struct inode *inode, struct file *filp,
 		       unsigned int cmd, unsigned long arg);
 
+extern int i810_rstatus(struct inode *inode, struct file *filp,
+			unsigned int cmd, unsigned long arg);
+extern int i810_ov0_info(struct inode *inode, struct file *filp,
+			unsigned int cmd, unsigned long arg);
+extern int i810_fstatus(struct inode *inode, struct file *filp,
+			unsigned int cmd, unsigned long arg);
+extern int i810_ov0_flip(struct inode *inode, struct file *filp,
+			unsigned int cmd, unsigned long arg);
+extern int i810_dma_mc(struct inode *inode, struct file *filp,
+			unsigned int cmd, unsigned long arg);
+
+
 extern void i810_dma_quiescent(drm_device_t *dev);
 
 #define I810_VERBOSE 0
diff --git a/linux/i830.h b/linux/i830.h
new file mode 100644
index 00000000..fb7a0b32
--- /dev/null
+++ b/linux/i830.h
@@ -0,0 +1,116 @@
+/* i830.h -- Intel I830 DRM template customization -*- linux-c -*-
+ * Created: Thu Feb 15 00:01:12 2001 by gareth@valinux.com
+ *
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Gareth Hughes <gareth@valinux.com>
+ */
+
+#ifndef __I830_H__
+#define __I830_H__
+
+/* This remains constant for all DRM template files.
+ */
+#define DRM(x) i830_##x
+
+/* General customization:
+ */
+#define __HAVE_AGP		1
+#define __MUST_HAVE_AGP		1
+#define __HAVE_MTRR		1
+#define __HAVE_CTX_BITMAP	1
+
+/* Driver customization:
+ */
+#define __HAVE_RELEASE		1
+#define DRIVER_RELEASE() do {						\
+	i830_reclaim_buffers( dev, priv->pid );				\
+} while (0)
+
+/* DMA customization:
+ */
+#define __HAVE_DMA		1
+#define __HAVE_DMA_QUEUE	1
+#define __HAVE_DMA_WAITLIST	1
+#define __HAVE_DMA_RECLAIM	1
+
+#define __HAVE_DMA_QUIESCENT	1
+#define DRIVER_DMA_QUIESCENT() do {					\
+	i830_dma_quiescent( dev );					\
+} while (0)
+
+#define __HAVE_DMA_IRQ		1
+#define __HAVE_DMA_IRQ_BH	1
+#define __HAVE_SHARED_IRQ       1
+#define DRIVER_PREINSTALL() do {					\
+	drm_i830_private_t *dev_priv =					\
+		(drm_i830_private_t *)dev->dev_private;			\
+	u16 tmp;							\
+   	tmp = I830_READ16( I830REG_HWSTAM );				\
+   	tmp = tmp & 0x6000;						\
+   	I830_WRITE16( I830REG_HWSTAM, tmp );				\
+									\
+      	tmp = I830_READ16( I830REG_INT_MASK_R );			\
+   	tmp = tmp & 0x6000;		/* Unmask interrupts */		\
+   	I830_WRITE16( I830REG_INT_MASK_R, tmp );			\
+   	tmp = I830_READ16( I830REG_INT_ENABLE_R );			\
+   	tmp = tmp & 0x6000;		/* Disable all interrupts */	\
+      	I830_WRITE16( I830REG_INT_ENABLE_R, tmp );			\
+} while (0)
+
+#define DRIVER_POSTINSTALL() do {					\
+	drm_i830_private_t *dev_priv =					\
+		(drm_i830_private_t *)dev->dev_private;	\
+	u16 tmp;							\
+   	tmp = I830_READ16( I830REG_INT_ENABLE_R );			\
+   	tmp = tmp & 0x6000;						\
+   	tmp = tmp | 0x0003;	/* Enable bp & user interrupts */	\
+   	I830_WRITE16( I830REG_INT_ENABLE_R, tmp );			\
+} while (0)
+
+#define DRIVER_UNINSTALL() do {						\
+	drm_i830_private_t *dev_priv =					\
+		(drm_i830_private_t *)dev->dev_private;			\
+	u16 tmp;							\
+	if ( dev_priv ) {						\
+		tmp = I830_READ16( I830REG_INT_IDENTITY_R );		\
+		tmp = tmp & ~(0x6000);	/* Clear all interrupts */	\
+		if ( tmp != 0 )						\
+			I830_WRITE16( I830REG_INT_IDENTITY_R, tmp );	\
+									\
+		tmp = I830_READ16( I830REG_INT_ENABLE_R );		\
+		tmp = tmp & 0x6000;	/* Disable all interrupts */	\
+		I830_WRITE16( I830REG_INT_ENABLE_R, tmp );		\
+	}								\
+} while (0)
+
+/* Buffer customization:
+ */
+
+#define DRIVER_BUF_PRIV_T	drm_i830_buf_priv_t
+
+#define DRIVER_AGP_BUFFERS_MAP( dev )					\
+	((drm_i830_private_t *)((dev)->dev_private))->buffer_map
+
+#endif
diff --git a/linux/i830_dma.c b/linux/i830_dma.c
new file mode 100644
index 00000000..661987fb
--- /dev/null
+++ b/linux/i830_dma.c
@@ -0,0 +1,1418 @@
+/* i830_dma.c -- DMA support for the I830 -*- linux-c -*-
+ * Created: Mon Dec 13 01:50:01 1999 by jhartmann@precisioninsight.com
+ *
+ * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Rickard E. (Rik) Faith <faith@valinux.com>
+ *	    Jeff Hartmann <jhartmann@valinux.com>
+ *      Keith Whitwell <keithw@valinux.com>
+ *      Abraham vd Merwe <abraham@2d3d.co.za>
+ *
+ */
+
+#define __NO_VERSION__
+#include "i830.h"
+#include "drmP.h"
+#include "i830_drv.h"
+#include <linux/interrupt.h>	/* For task queue support */
+
+/* in case we don't have a 2.3.99-pre6 kernel or later: */
+#ifndef VM_DONTCOPY
+#define VM_DONTCOPY 0
+#endif
+
+#define I830_BUF_FREE		2
+#define I830_BUF_CLIENT		1
+#define I830_BUF_HARDWARE      	0
+
+#define I830_BUF_UNMAPPED 0
+#define I830_BUF_MAPPED   1
+
+#define RING_LOCALS	unsigned int outring, ringmask; volatile char *virt;
+
+
+#define DO_IDLE_WORKAROUND()					\
+do {								\
+   int _head;							\
+   int _tail;							\
+   int _i;							\
+   do { 							\
+      _head = I830_READ(LP_RING + RING_HEAD) & HEAD_ADDR;	\
+      _tail = I830_READ(LP_RING + RING_TAIL) & TAIL_ADDR;	\
+      for(_i = 0; _i < 65535; _i++);				\
+   } while(_head != _tail);					\
+} while(0)
+
+#define I830_SYNC_WORKAROUND 0
+
+#define BEGIN_LP_RING(n) do {				\
+	if (I830_VERBOSE)				\
+		DRM_DEBUG("BEGIN_LP_RING(%d) in %s\n",	\
+			  n, __FUNCTION__);		\
+	if (I830_SYNC_WORKAROUND)			\
+		DO_IDLE_WORKAROUND();			\
+	if (dev_priv->ring.space < n*4) 		\
+		i830_wait_ring(dev, n*4);		\
+	dev_priv->ring.space -= n*4;			\
+	outring = dev_priv->ring.tail;			\
+	ringmask = dev_priv->ring.tail_mask;		\
+	virt = dev_priv->ring.virtual_start;		\
+} while (0)
+
+#define ADVANCE_LP_RING() do {					\
+	if (I830_VERBOSE) DRM_DEBUG("ADVANCE_LP_RING\n");	\
+	dev_priv->ring.tail = outring;				\
+	I830_WRITE(LP_RING + RING_TAIL, outring);		\
+} while(0)
+
+#define OUT_RING(n) do {						\
+	if (I830_VERBOSE) DRM_DEBUG("   OUT_RING %x\n", (int)(n));	\
+	*(volatile unsigned int *)(virt + outring) = n;			\
+	outring += 4;							\
+	outring &= ringmask;						\
+} while (0);
+
+static inline void i830_print_status_page(drm_device_t *dev)
+{
+   	drm_device_dma_t *dma = dev->dma;
+      	drm_i830_private_t *dev_priv = dev->dev_private;
+	u32 *temp = (u32 *)dev_priv->hw_status_page;
+   	int i;
+
+   	DRM_DEBUG(  "hw_status: Interrupt Status : %x\n", temp[0]);
+   	DRM_DEBUG(  "hw_status: LpRing Head ptr : %x\n", temp[1]);
+   	DRM_DEBUG(  "hw_status: IRing Head ptr : %x\n", temp[2]);
+      	DRM_DEBUG(  "hw_status: Reserved : %x\n", temp[3]);
+   	DRM_DEBUG(  "hw_status: Driver Counter : %d\n", temp[5]);
+   	for(i = 9; i < dma->buf_count + 9; i++) {
+	   	DRM_DEBUG( "buffer status idx : %d used: %d\n", i - 9, temp[i]);
+	}
+}
+
+static drm_buf_t *i830_freelist_get(drm_device_t *dev)
+{
+   	drm_device_dma_t *dma = dev->dma;
+	int		 i;
+   	int 		 used;
+   
+	/* Linear search might not be the best solution */
+
+   	for (i = 0; i < dma->buf_count; i++) {
+	   	drm_buf_t *buf = dma->buflist[ i ];
+	   	drm_i830_buf_priv_t *buf_priv = buf->dev_private;
+		/* In use is already a pointer */
+	   	used = cmpxchg(buf_priv->in_use, I830_BUF_FREE, 
+			       I830_BUF_CLIENT);
+	   	if(used == I830_BUF_FREE) {
+			return buf;
+		}
+	}
+   	return NULL;
+}
+
+/* This should only be called if the buffer is not sent to the hardware
+ * yet, the hardware updates in use for us once its on the ring buffer.
+ */
+
+static int i830_freelist_put(drm_device_t *dev, drm_buf_t *buf)
+{
+   	drm_i830_buf_priv_t *buf_priv = buf->dev_private;
+   	int used;
+   
+   	/* In use is already a pointer */
+   	used = cmpxchg(buf_priv->in_use, I830_BUF_CLIENT, I830_BUF_FREE);
+   	if(used != I830_BUF_CLIENT) {
+	   	DRM_ERROR("Freeing buffer thats not in use : %d\n", buf->idx);
+	   	return -EINVAL;
+	}
+   
+   	return 0;
+}
+
+static struct file_operations i830_buffer_fops = {
+	open:	 DRM(open),
+	flush:	 DRM(flush),
+	release: DRM(release),
+	ioctl:	 DRM(ioctl),
+	mmap:	 i830_mmap_buffers,
+	read:	 DRM(read),
+	fasync:	 DRM(fasync),
+      	poll:	 DRM(poll),
+};
+
+int i830_mmap_buffers(struct file *filp, struct vm_area_struct *vma)
+{
+	drm_file_t	    *priv	  = filp->private_data;
+	drm_device_t	    *dev;
+	drm_i830_private_t  *dev_priv;
+	drm_buf_t           *buf;
+	drm_i830_buf_priv_t *buf_priv;
+
+	lock_kernel();
+	dev	 = priv->dev;
+	dev_priv = dev->dev_private;
+	buf      = dev_priv->mmap_buffer;
+	buf_priv = buf->dev_private;
+   
+	vma->vm_flags |= (VM_IO | VM_DONTCOPY);
+	vma->vm_file = filp;
+   
+   	buf_priv->currently_mapped = I830_BUF_MAPPED;
+	unlock_kernel();
+
+	if (remap_page_range(vma->vm_start,
+			     VM_OFFSET(vma),
+			     vma->vm_end - vma->vm_start,
+			     vma->vm_page_prot)) return -EAGAIN;
+	return 0;
+}
+
+static int i830_map_buffer(drm_buf_t *buf, struct file *filp)
+{
+	drm_file_t	  *priv	  = filp->private_data;
+	drm_device_t	  *dev	  = priv->dev;
+	drm_i830_buf_priv_t *buf_priv = buf->dev_private;
+      	drm_i830_private_t *dev_priv = dev->dev_private;
+   	struct file_operations *old_fops;
+	int retcode = 0;
+
+	if(buf_priv->currently_mapped == I830_BUF_MAPPED) return -EINVAL;
+
+	if(VM_DONTCOPY != 0) {
+#if LINUX_VERSION_CODE <= 0x020402
+		down( &current->mm->mmap_sem );
+#else
+		down_write( &current->mm->mmap_sem );
+#endif
+		old_fops = filp->f_op;
+		filp->f_op = &i830_buffer_fops;
+		dev_priv->mmap_buffer = buf;
+		buf_priv->virtual = (void *)do_mmap(filp, 0, buf->total, 
+						    PROT_READ|PROT_WRITE,
+						    MAP_SHARED, 
+						    buf->bus_address);
+		dev_priv->mmap_buffer = NULL;
+   		filp->f_op = old_fops;
+		if ((unsigned long)buf_priv->virtual > -1024UL) {
+			/* Real error */
+			DRM_DEBUG("mmap error\n");
+			retcode = (signed int)buf_priv->virtual;
+			buf_priv->virtual = 0;
+		}
+#if LINUX_VERSION_CODE <= 0x020402
+		up( &current->mm->mmap_sem );
+#else
+		up_write( &current->mm->mmap_sem );
+#endif
+	} else {
+		buf_priv->virtual = buf_priv->kernel_virtual;
+   		buf_priv->currently_mapped = I830_BUF_MAPPED;
+	}
+	return retcode;
+}
+
+static int i830_unmap_buffer(drm_buf_t *buf)
+{
+	drm_i830_buf_priv_t *buf_priv = buf->dev_private;
+	int retcode = 0;
+
+	if(VM_DONTCOPY != 0) {
+		if(buf_priv->currently_mapped != I830_BUF_MAPPED) 
+			return -EINVAL;
+#if LINUX_VERSION_CODE <= 0x020402
+		down( &current->mm->mmap_sem );
+#else
+		down_write( &current->mm->mmap_sem );
+#endif
+#if LINUX_VERSION_CODE < 0x020399
+        	retcode = do_munmap((unsigned long)buf_priv->virtual, 
+				    (size_t) buf->total);
+#else
+        	retcode = do_munmap(current->mm, 
+				    (unsigned long)buf_priv->virtual, 
+				    (size_t) buf->total);
+#endif
+#if LINUX_VERSION_CODE <= 0x020402
+		up( &current->mm->mmap_sem );
+#else
+   		up_write( &current->mm->mmap_sem );
+#endif
+	}
+   	buf_priv->currently_mapped = I830_BUF_UNMAPPED;
+   	buf_priv->virtual = 0;
+
+	return retcode;
+}
+
+static int i830_dma_get_buffer(drm_device_t *dev, drm_i830_dma_t *d, 
+			       struct file *filp)
+{
+	drm_file_t	  *priv	  = filp->private_data;
+	drm_buf_t	  *buf;
+	drm_i830_buf_priv_t *buf_priv;
+	int retcode = 0;
+
+	buf = i830_freelist_get(dev);
+	if (!buf) {
+		retcode = -ENOMEM;
+	   	DRM_DEBUG("retcode=%d\n", retcode);
+		return retcode;
+	}
+   
+	retcode = i830_map_buffer(buf, filp);
+	if(retcode) {
+		i830_freelist_put(dev, buf);
+	   	DRM_DEBUG("mapbuf failed, retcode %d\n", retcode);
+		return retcode;
+	}
+	buf->pid     = priv->pid;
+	buf_priv = buf->dev_private;	
+	d->granted = 1;
+   	d->request_idx = buf->idx;
+   	d->request_size = buf->total;
+   	d->virtual = buf_priv->virtual;
+
+	return retcode;
+}
+
+static unsigned long i830_alloc_page(drm_device_t *dev)
+{
+	unsigned long address;
+   
+	address = __get_free_page(GFP_KERNEL);
+	if(address == 0UL) 
+		return 0;
+	
+	atomic_inc(&virt_to_page(address)->count);
+	set_bit(PG_locked, &virt_to_page(address)->flags);
+   
+	return address;
+}
+
+static void i830_free_page(drm_device_t *dev, unsigned long page)
+{
+	if(page == 0UL) 
+		return;
+	
+	atomic_dec(&virt_to_page(page)->count);
+	clear_bit(PG_locked, &virt_to_page(page)->flags);
+	wake_up(&virt_to_page(page)->wait);
+	free_page(page);
+	return;
+}
+
+static int i830_dma_cleanup(drm_device_t *dev)
+{
+	drm_device_dma_t *dma = dev->dma;
+
+	if(dev->dev_private) {
+		int i;
+	   	drm_i830_private_t *dev_priv = 
+	     		(drm_i830_private_t *) dev->dev_private;
+	   
+	   	if(dev_priv->ring.virtual_start) {
+		   	DRM(ioremapfree)((void *) dev_priv->ring.virtual_start,
+					 dev_priv->ring.Size);
+		}
+	   	if(dev_priv->hw_status_page != 0UL) {
+		   	i830_free_page(dev, dev_priv->hw_status_page);
+		   	/* Need to rewrite hardware status page */
+		   	I830_WRITE(0x02080, 0x1ffff000);
+		}
+	   	DRM(free)(dev->dev_private, sizeof(drm_i830_private_t), 
+			 DRM_MEM_DRIVER);
+	   	dev->dev_private = NULL;
+
+		for (i = 0; i < dma->buf_count; i++) {
+			drm_buf_t *buf = dma->buflist[ i ];
+			drm_i830_buf_priv_t *buf_priv = buf->dev_private;
+			DRM(ioremapfree)(buf_priv->kernel_virtual, buf->total);
+		}
+	}
+   	return 0;
+}
+
+static int i830_wait_ring(drm_device_t *dev, int n)
+{
+   	drm_i830_private_t *dev_priv = dev->dev_private;
+   	drm_i830_ring_buffer_t *ring = &(dev_priv->ring);
+   	int iters = 0;
+   	unsigned long end;
+	unsigned int last_head = I830_READ(LP_RING + RING_HEAD) & HEAD_ADDR;
+
+	end = jiffies + (HZ*3);
+   	while (ring->space < n) {
+	   	int i;
+	
+	   	ring->head = I830_READ(LP_RING + RING_HEAD) & HEAD_ADDR;
+	   	ring->space = ring->head - (ring->tail+8);
+		if (ring->space < 0) ring->space += ring->Size;
+	   
+		if (ring->head != last_head) {
+			end = jiffies + (HZ*3);
+			last_head = ring->head;
+		}
+	  
+	   	iters++;
+		if((signed)(end - jiffies) <= 0) {
+		   	DRM_ERROR("space: %d wanted %d\n", ring->space, n);
+		   	DRM_ERROR("lockup\n");
+		   	goto out_wait_ring;
+		}
+
+	   	for (i = 0 ; i < 2000 ; i++) ;
+	}
+
+out_wait_ring:   
+   	return iters;
+}
+
+static void i830_kernel_lost_context(drm_device_t *dev)
+{
+      	drm_i830_private_t *dev_priv = dev->dev_private;
+   	drm_i830_ring_buffer_t *ring = &(dev_priv->ring);
+      
+   	ring->head = I830_READ(LP_RING + RING_HEAD) & HEAD_ADDR;
+     	ring->tail = I830_READ(LP_RING + RING_TAIL);
+     	ring->space = ring->head - (ring->tail+8);
+     	if (ring->space < 0) ring->space += ring->Size;
+}
+
+static int i830_freelist_init(drm_device_t *dev, drm_i830_private_t *dev_priv)
+{
+      	drm_device_dma_t *dma = dev->dma;
+   	int my_idx = 36;
+   	u32 *hw_status = (u32 *)(dev_priv->hw_status_page + my_idx);
+   	int i;
+
+   	if(dma->buf_count > 1019) {
+	   	/* Not enough space in the status page for the freelist */
+	   	return -EINVAL;
+	}
+
+   	for (i = 0; i < dma->buf_count; i++) {
+	   	drm_buf_t *buf = dma->buflist[ i ];
+	   	drm_i830_buf_priv_t *buf_priv = buf->dev_private;
+
+	   	buf_priv->in_use = hw_status++;
+	   	buf_priv->my_use_idx = my_idx;
+	   	my_idx += 4;
+
+	   	*buf_priv->in_use = I830_BUF_FREE;
+
+		buf_priv->kernel_virtual = DRM(ioremap)(buf->bus_address, 
+							buf->total);
+	}
+	return 0;
+}
+
+static int i830_dma_initialize(drm_device_t *dev, 
+			       drm_i830_private_t *dev_priv,
+			       drm_i830_init_t *init)
+{
+	struct list_head *list;
+
+   	memset(dev_priv, 0, sizeof(drm_i830_private_t));
+
+	list_for_each(list, &dev->maplist->head) {
+		drm_map_list_t *r_list = (drm_map_list_t *)list;
+		if( r_list->map &&
+		    r_list->map->type == _DRM_SHM &&
+		    r_list->map->flags & _DRM_CONTAINS_LOCK ) {
+			dev_priv->sarea_map = r_list->map;
+ 			break;
+ 		}
+ 	}
+
+	if(!dev_priv->sarea_map) {
+		dev->dev_private = (void *)dev_priv;
+		i830_dma_cleanup(dev);
+		DRM_ERROR("can not find sarea!\n");
+		return -EINVAL;
+	}
+	DRM_FIND_MAP( dev_priv->mmio_map, init->mmio_offset );
+	if(!dev_priv->mmio_map) {
+		dev->dev_private = (void *)dev_priv;
+		i830_dma_cleanup(dev);
+		DRM_ERROR("can not find mmio map!\n");
+		return -EINVAL;
+	}
+	DRM_FIND_MAP( dev_priv->buffer_map, init->buffers_offset );
+	if(!dev_priv->buffer_map) {
+		dev->dev_private = (void *)dev_priv;
+		i830_dma_cleanup(dev);
+		DRM_ERROR("can not find dma buffer map!\n");
+		return -EINVAL;
+	}
+
+	dev_priv->sarea_priv = (drm_i830_sarea_t *)
+		((u8 *)dev_priv->sarea_map->handle +
+		 init->sarea_priv_offset);
+
+   	atomic_set(&dev_priv->flush_done, 0);
+	init_waitqueue_head(&dev_priv->flush_queue);
+
+   	dev_priv->ring.Start = init->ring_start;
+   	dev_priv->ring.End = init->ring_end;
+   	dev_priv->ring.Size = init->ring_size;
+
+   	dev_priv->ring.virtual_start = DRM(ioremap)(dev->agp->base + 
+						    init->ring_start, 
+						    init->ring_size);
+
+   	if (dev_priv->ring.virtual_start == NULL) {
+		dev->dev_private = (void *) dev_priv;
+	   	i830_dma_cleanup(dev);
+	   	DRM_ERROR("can not ioremap virtual address for"
+			  " ring buffer\n");
+	   	return -ENOMEM;
+	}
+
+   	dev_priv->ring.tail_mask = dev_priv->ring.Size - 1;
+   
+	dev_priv->w = init->w;
+	dev_priv->h = init->h;
+	dev_priv->pitch = init->pitch;
+	dev_priv->back_offset = init->back_offset;
+	dev_priv->depth_offset = init->depth_offset;
+
+	dev_priv->front_di1 = init->front_offset | init->pitch_bits;
+	dev_priv->back_di1 = init->back_offset | init->pitch_bits;
+	dev_priv->zi1 = init->depth_offset | init->pitch_bits;
+
+	dev_priv->cpp = init->cpp;
+	/* We are using seperate values as placeholders for mechanisms for
+	 * private backbuffer/depthbuffer usage.
+	 */
+
+	dev_priv->back_pitch = init->back_pitch;
+	dev_priv->depth_pitch = init->depth_pitch;
+
+   	/* Program Hardware Status Page */
+   	dev_priv->hw_status_page = i830_alloc_page(dev);
+   	if(dev_priv->hw_status_page == 0UL) {
+		dev->dev_private = (void *)dev_priv;
+		i830_dma_cleanup(dev);
+		DRM_ERROR("Can not allocate hardware status page\n");
+		return -ENOMEM;
+	}
+   	memset((void *) dev_priv->hw_status_page, 0, PAGE_SIZE);
+	DRM_DEBUG("hw status page @ %lx\n", dev_priv->hw_status_page);
+   
+   	I830_WRITE(0x02080, virt_to_bus((void *)dev_priv->hw_status_page));
+	DRM_DEBUG("Enabled hardware status page\n");
+   
+   	/* Now we need to init our freelist */
+   	if(i830_freelist_init(dev, dev_priv) != 0) {
+		dev->dev_private = (void *)dev_priv;
+	   	i830_dma_cleanup(dev);
+	   	DRM_ERROR("Not enough space in the status page for"
+			  " the freelist\n");
+	   	return -ENOMEM;
+	}
+	dev->dev_private = (void *)dev_priv;
+
+   	return 0;
+}
+
+int i830_dma_init(struct inode *inode, struct file *filp,
+		  unsigned int cmd, unsigned long arg)
+{
+   	drm_file_t *priv = filp->private_data;
+   	drm_device_t *dev = priv->dev;
+   	drm_i830_private_t *dev_priv;
+   	drm_i830_init_t init;
+   	int retcode = 0;
+	
+  	if (copy_from_user(&init, (drm_i830_init_t *)arg, sizeof(init)))
+		return -EFAULT;
+	
+   	switch(init.func) {
+	 	case I830_INIT_DMA:
+			dev_priv = DRM(alloc)(sizeof(drm_i830_private_t), 
+					      DRM_MEM_DRIVER);
+	   		if(dev_priv == NULL) return -ENOMEM;
+	   		retcode = i830_dma_initialize(dev, dev_priv, &init);
+	   	break;
+	 	case I830_CLEANUP_DMA:
+	   		retcode = i830_dma_cleanup(dev);
+	   	break;
+	 	default:
+	   		retcode = -EINVAL;
+	   	break;
+	}
+   
+   	return retcode;
+}
+
+/* Most efficient way to verify state for the i830 is as it is
+ * emitted.  Non-conformant state is silently dropped.
+ *
+ * Use 'volatile' & local var tmp to force the emitted values to be
+ * identical to the verified ones.
+ */
+static void i830EmitContextVerified( drm_device_t *dev, 
+				     volatile unsigned int *code )
+{
+   	drm_i830_private_t *dev_priv = dev->dev_private;
+	int i, j = 0;
+	unsigned int tmp;
+	RING_LOCALS;
+
+	BEGIN_LP_RING( I830_CTX_SETUP_SIZE );
+	for ( i = 0 ; i < I830_CTX_SETUP_SIZE ; i++ ) {
+		tmp = code[i];
+
+#if 0
+		if ((tmp & (7<<29)) == (3<<29) &&
+		    (tmp & (0x1f<<24)) < (0x1d<<24)) {
+			OUT_RING( tmp ); 
+			j++;
+		} else {
+			printk("Skipping %d\n", i);
+		}
+#else
+		OUT_RING( tmp ); 
+		j++;
+#endif
+	}
+
+	if (j & 1) 
+		OUT_RING( 0 ); 
+
+	ADVANCE_LP_RING();
+}
+
+static void i830EmitTexVerified( drm_device_t *dev, 
+				 volatile unsigned int *code ) 
+{
+   	drm_i830_private_t *dev_priv = dev->dev_private;
+	int i, j = 0;
+	unsigned int tmp;
+	RING_LOCALS;
+
+	BEGIN_LP_RING( I830_TEX_SETUP_SIZE );
+
+	OUT_RING( GFX_OP_MAP_INFO );
+	OUT_RING( code[I830_TEXREG_MI1] );
+	OUT_RING( code[I830_TEXREG_MI2] );
+	OUT_RING( code[I830_TEXREG_MI3] );
+	OUT_RING( code[I830_TEXREG_MI4] );
+	OUT_RING( code[I830_TEXREG_MI5] );
+
+	for ( i = 6 ; i < I830_TEX_SETUP_SIZE ; i++ ) {
+		tmp = code[i];
+		OUT_RING( tmp ); 
+		j++;
+	} 
+
+	if (j & 1) 
+		OUT_RING( 0 ); 
+
+	ADVANCE_LP_RING();
+}
+
+static void i830EmitTexBlendVerified( drm_device_t *dev, 
+				     volatile unsigned int *code,
+				     volatile unsigned int num)
+{
+   	drm_i830_private_t *dev_priv = dev->dev_private;
+	int i, j = 0;
+	unsigned int tmp;
+	RING_LOCALS;
+
+	BEGIN_LP_RING( num );
+
+	for ( i = 0 ; i < num ; i++ ) {
+		tmp = code[i];
+		OUT_RING( tmp );
+		j++;
+	}
+
+	if (j & 1) 
+		OUT_RING( 0 ); 
+
+	ADVANCE_LP_RING();
+}
+
+static void i830EmitTexPalette( drm_device_t *dev,
+			        unsigned int *palette,
+			        int number,
+			        int is_shared )
+{
+   	drm_i830_private_t *dev_priv = dev->dev_private;
+	int i;
+	RING_LOCALS;
+
+	BEGIN_LP_RING( 258 );
+
+	if(is_shared == 1) {
+		OUT_RING(CMD_OP_MAP_PALETTE_LOAD |
+			 MAP_PALETTE_NUM(0) |
+			 MAP_PALETTE_BOTH);
+	} else {
+		OUT_RING(CMD_OP_MAP_PALETTE_LOAD | MAP_PALETTE_NUM(number));
+	}
+	for(i = 0; i < 256; i++) {
+		OUT_RING(palette[i]);
+	}
+	OUT_RING(0);
+}
+
+/* Need to do some additional checking when setting the dest buffer.
+ */
+static void i830EmitDestVerified( drm_device_t *dev, 
+				  volatile unsigned int *code ) 
+{	
+   	drm_i830_private_t *dev_priv = dev->dev_private;
+	unsigned int tmp;
+	RING_LOCALS;
+
+	BEGIN_LP_RING( I830_DEST_SETUP_SIZE + 6 );
+
+	tmp = code[I830_DESTREG_CBUFADDR];
+	if (tmp == dev_priv->front_di1) {
+		/* Don't use fence when front buffer rendering */
+		OUT_RING( CMD_OP_DESTBUFFER_INFO );
+		OUT_RING( BUF_3D_ID_COLOR_BACK | 
+			  BUF_3D_PITCH(dev_priv->back_pitch * dev_priv->cpp) );
+		OUT_RING( tmp );
+
+		OUT_RING( CMD_OP_DESTBUFFER_INFO );
+		OUT_RING( BUF_3D_ID_DEPTH |
+			  BUF_3D_PITCH(dev_priv->depth_pitch * dev_priv->cpp));
+		OUT_RING( dev_priv->zi1 );
+	} else if(tmp == dev_priv->back_di1) {
+		OUT_RING( CMD_OP_DESTBUFFER_INFO );
+		OUT_RING( BUF_3D_ID_COLOR_BACK | 
+			  BUF_3D_PITCH(dev_priv->back_pitch * dev_priv->cpp) |
+			  BUF_3D_USE_FENCE);
+		OUT_RING( tmp );
+
+		OUT_RING( CMD_OP_DESTBUFFER_INFO );
+		OUT_RING( BUF_3D_ID_DEPTH | BUF_3D_USE_FENCE | 
+			  BUF_3D_PITCH(dev_priv->depth_pitch * dev_priv->cpp));
+		OUT_RING( dev_priv->zi1 );
+	} else {
+		DRM_DEBUG("bad di1 %x (allow %x or %x)\n",
+			  tmp, dev_priv->front_di1, dev_priv->back_di1);
+	}
+
+	/* invarient:
+	 */
+
+
+	OUT_RING( GFX_OP_DESTBUFFER_VARS );
+	OUT_RING( code[I830_DESTREG_DV1] );
+
+	OUT_RING( GFX_OP_DRAWRECT_INFO );
+	OUT_RING( code[I830_DESTREG_DR1] );
+	OUT_RING( code[I830_DESTREG_DR2] );
+	OUT_RING( code[I830_DESTREG_DR3] );
+	OUT_RING( code[I830_DESTREG_DR4] );
+
+	/* Need to verify this */
+	tmp = code[I830_DESTREG_SENABLE];
+	if((tmp & ~0x3) == GFX_OP_SCISSOR_ENABLE) {
+		OUT_RING( tmp );
+	} else {
+		DRM_DEBUG("bad scissor enable\n");
+		OUT_RING( 0 );
+	}
+
+	OUT_RING( code[I830_DESTREG_SENABLE] );
+
+	OUT_RING( GFX_OP_SCISSOR_RECT );
+	OUT_RING( code[I830_DESTREG_SR1] );
+	OUT_RING( code[I830_DESTREG_SR2] );
+
+	ADVANCE_LP_RING();
+}
+
+static void i830EmitState( drm_device_t *dev )
+{
+   	drm_i830_private_t *dev_priv = dev->dev_private;
+      	drm_i830_sarea_t *sarea_priv = dev_priv->sarea_priv;
+	unsigned int dirty = sarea_priv->dirty;
+
+	if (dirty & I830_UPLOAD_BUFFERS) {
+		i830EmitDestVerified( dev, sarea_priv->BufferState );
+		sarea_priv->dirty &= ~I830_UPLOAD_BUFFERS;
+	}
+
+	if (dirty & I830_UPLOAD_CTX) {
+		i830EmitContextVerified( dev, sarea_priv->ContextState );
+		sarea_priv->dirty &= ~I830_UPLOAD_CTX;
+	}
+
+	if (dirty & I830_UPLOAD_TEX0) {
+		i830EmitTexVerified( dev, sarea_priv->TexState[0] );
+		sarea_priv->dirty &= ~I830_UPLOAD_TEX0;
+	}
+
+	if (dirty & I830_UPLOAD_TEX1) {
+		i830EmitTexVerified( dev, sarea_priv->TexState[1] );
+		sarea_priv->dirty &= ~I830_UPLOAD_TEX1;
+	}
+
+	if (dirty & I830_UPLOAD_TEXBLEND0) {
+		i830EmitTexBlendVerified( dev, sarea_priv->TexBlendState[0],
+				sarea_priv->TexBlendStateWordsUsed[0]);
+		sarea_priv->dirty &= ~I830_UPLOAD_TEXBLEND0;
+	}
+
+	if (dirty & I830_UPLOAD_TEXBLEND1) {
+		i830EmitTexBlendVerified( dev, sarea_priv->TexBlendState[1],
+				sarea_priv->TexBlendStateWordsUsed[1]);
+		sarea_priv->dirty &= ~I830_UPLOAD_TEXBLEND1;
+	}
+
+	if (dirty & I830_UPLOAD_TEX_PALETTE_SHARED) {
+	   i830EmitTexPalette(dev, sarea_priv->Palette[0], 0, 1);
+	} else {
+	   if (dirty & I830_UPLOAD_TEX_PALETTE_N(0)) {
+	      i830EmitTexPalette(dev, sarea_priv->Palette[0], 0, 0);
+	      sarea_priv->dirty &= ~I830_UPLOAD_TEX_PALETTE_N(0);
+	   }
+	   if (dirty & I830_UPLOAD_TEX_PALETTE_N(1)) {
+	      i830EmitTexPalette(dev, sarea_priv->Palette[1], 1, 0);
+	      sarea_priv->dirty &= ~I830_UPLOAD_TEX_PALETTE_N(1);
+	   }
+	}
+}
+
+static void i830_dma_dispatch_clear( drm_device_t *dev, int flags, 
+				    unsigned int clear_color,
+				    unsigned int clear_zval,
+				    unsigned int clear_depthmask)
+{
+   	drm_i830_private_t *dev_priv = dev->dev_private;
+      	drm_i830_sarea_t *sarea_priv = dev_priv->sarea_priv;
+	int nbox = sarea_priv->nbox;
+	drm_clip_rect_t *pbox = sarea_priv->boxes;
+	int pitch = dev_priv->pitch;
+	int cpp = dev_priv->cpp;
+	int i;
+	unsigned int BR13, CMD, D_CMD;
+	RING_LOCALS;
+
+  	i830_kernel_lost_context(dev);
+
+	switch(cpp) {
+	case 2: 
+		BR13 = (0xF0 << 16) | (pitch * cpp) | (1<<24);
+		D_CMD = CMD = XY_COLOR_BLT_CMD;
+		break;
+	case 4:
+		BR13 = (0xF0 << 16) | (pitch * cpp) | (1<<24) | (1<<25);
+		CMD = (XY_COLOR_BLT_CMD | XY_COLOR_BLT_WRITE_ALPHA | 
+		       XY_COLOR_BLT_WRITE_RGB);
+		D_CMD = XY_COLOR_BLT_CMD;
+		if(clear_depthmask & 0x00ffffff)
+			D_CMD |= XY_COLOR_BLT_WRITE_RGB;
+		if(clear_depthmask & 0xff000000)
+			D_CMD |= XY_COLOR_BLT_WRITE_ALPHA;
+		break;
+	default:
+		BR13 = (0xF0 << 16) | (pitch * cpp) | (1<<24);
+		D_CMD = CMD = XY_COLOR_BLT_CMD;
+		break;
+	}
+
+      	if (nbox > I830_NR_SAREA_CLIPRECTS)
+     		nbox = I830_NR_SAREA_CLIPRECTS;
+
+	for (i = 0 ; i < nbox ; i++, pbox++) {
+		if (pbox->x1 > pbox->x2 ||
+		    pbox->y1 > pbox->y2 ||
+		    pbox->x2 > dev_priv->w ||
+		    pbox->y2 > dev_priv->h)
+			continue;
+
+	   	if ( flags & I830_FRONT ) {	    
+		   	DRM_DEBUG("clear front\n");
+			BEGIN_LP_RING( 6 );	    
+			OUT_RING( CMD );
+			OUT_RING( BR13 );
+			OUT_RING( (pbox->y1 << 16) | pbox->x1 );
+			OUT_RING( (pbox->y2 << 16) | pbox->x2 );
+			OUT_RING( 0 );
+			OUT_RING( clear_color );
+			ADVANCE_LP_RING();
+		}
+
+		if ( flags & I830_BACK ) {
+			DRM_DEBUG("clear back\n");
+			BEGIN_LP_RING( 6 );	    
+			OUT_RING( CMD );
+			OUT_RING( BR13 );
+			OUT_RING( (pbox->y1 << 16) | pbox->x1 );
+			OUT_RING( (pbox->y2 << 16) | pbox->x2 );
+			OUT_RING( dev_priv->back_offset );
+			OUT_RING( clear_color );
+			ADVANCE_LP_RING();
+		}
+
+		if ( flags & I830_DEPTH ) {
+			DRM_DEBUG("clear depth\n");
+			BEGIN_LP_RING( 6 );
+			OUT_RING( D_CMD );
+			OUT_RING( BR13 );
+			OUT_RING( (pbox->y1 << 16) | pbox->x1 );
+			OUT_RING( (pbox->y2 << 16) | pbox->x2 );
+			OUT_RING( dev_priv->depth_offset );
+			OUT_RING( clear_zval );
+			ADVANCE_LP_RING();
+		}
+	}
+}
+
+static void i830_dma_dispatch_swap( drm_device_t *dev )
+{
+   	drm_i830_private_t *dev_priv = dev->dev_private;
+      	drm_i830_sarea_t *sarea_priv = dev_priv->sarea_priv;
+	int nbox = sarea_priv->nbox;
+	drm_clip_rect_t *pbox = sarea_priv->boxes;
+	int pitch = dev_priv->pitch;
+	int cpp = dev_priv->cpp;
+	int ofs = dev_priv->back_offset;
+	int i;
+	unsigned int CMD, BR13;
+	RING_LOCALS;
+
+	DRM_DEBUG("swapbuffers\n");
+
+	switch(cpp) {
+	case 2: 
+		BR13 = (pitch * cpp) | (0xCC << 16) | (1<<24);
+		CMD = XY_SRC_COPY_BLT_CMD;
+		break;
+	case 4:
+		BR13 = (pitch * cpp) | (0xCC << 16) | (1<<24) | (1<<25);
+		CMD = (XY_SRC_COPY_BLT_CMD | XY_SRC_COPY_BLT_WRITE_ALPHA |
+		       XY_SRC_COPY_BLT_WRITE_RGB);
+		break;
+	default:
+		BR13 = (pitch * cpp) | (0xCC << 16) | (1<<24);
+		CMD = XY_SRC_COPY_BLT_CMD;
+		break;
+	}
+
+  	i830_kernel_lost_context(dev);
+
+      	if (nbox > I830_NR_SAREA_CLIPRECTS)
+     		nbox = I830_NR_SAREA_CLIPRECTS;
+
+	for (i = 0 ; i < nbox; i++, pbox++) 
+	{
+		if (pbox->x1 > pbox->x2 ||
+		    pbox->y1 > pbox->y2 ||
+		    pbox->x2 > dev_priv->w ||
+		    pbox->y2 > dev_priv->h)
+			continue;
+ 
+		DRM_DEBUG("dispatch swap %d,%d-%d,%d!\n",
+			  pbox->x1, pbox->y1,
+			  pbox->x2, pbox->y2);
+
+		BEGIN_LP_RING( 8 );
+		OUT_RING( CMD );
+		OUT_RING( BR13 );
+
+		OUT_RING( (pbox->y1 << 16) |
+			  pbox->x1 );
+		OUT_RING( (pbox->y2 << 16) |
+			  pbox->x2 );
+
+		OUT_RING( 0 /* front ofs always zero */ );
+		OUT_RING( (pbox->y1 << 16) |
+			  pbox->x1 );
+
+		OUT_RING( BR13 & 0xffff );
+		OUT_RING( ofs );
+
+		ADVANCE_LP_RING();
+	}
+}
+
+
+static void i830_dma_dispatch_vertex(drm_device_t *dev, 
+				     drm_buf_t *buf,
+				     int discard,
+				     int used)
+{
+   	drm_i830_private_t *dev_priv = dev->dev_private;
+	drm_i830_buf_priv_t *buf_priv = buf->dev_private;
+   	drm_i830_sarea_t *sarea_priv = dev_priv->sarea_priv;
+   	drm_clip_rect_t *box = sarea_priv->boxes;
+   	int nbox = sarea_priv->nbox;
+	unsigned long address = (unsigned long)buf->bus_address;
+	unsigned long start = address - dev->agp->base;     
+	int i = 0, u;
+   	RING_LOCALS;
+
+   	i830_kernel_lost_context(dev);
+
+   	if (nbox > I830_NR_SAREA_CLIPRECTS) 
+		nbox = I830_NR_SAREA_CLIPRECTS;
+
+	if (discard) {
+		u = cmpxchg(buf_priv->in_use, I830_BUF_CLIENT, 
+			    I830_BUF_HARDWARE);
+		if(u != I830_BUF_CLIENT) {
+			DRM_DEBUG("xxxx 2\n");
+		}
+	}
+
+	if (used > 4*1024) 
+		used = 0;
+
+	if (sarea_priv->dirty)
+	   i830EmitState( dev );
+
+  	DRM_DEBUG("dispatch vertex addr 0x%lx, used 0x%x nbox %d\n", 
+		  address, used, nbox);
+
+   	dev_priv->counter++;
+   	DRM_DEBUG(  "dispatch counter : %ld\n", dev_priv->counter);
+   	DRM_DEBUG(  "i830_dma_dispatch\n");
+   	DRM_DEBUG(  "start : %lx\n", start);
+	DRM_DEBUG(  "used : %d\n", used);
+   	DRM_DEBUG(  "start + used - 4 : %ld\n", start + used - 4);
+
+	if (buf_priv->currently_mapped == I830_BUF_MAPPED) {
+		*(u32 *)buf_priv->virtual = (GFX_OP_PRIMITIVE |
+					     sarea_priv->vertex_prim |
+					     ((used/4)-2));
+		
+		if (used & 4) {
+			*(u32 *)((u32)buf_priv->virtual + used) = 0;
+			used += 4;
+		}
+
+		i830_unmap_buffer(buf);
+	}
+		   
+	if (used) {
+		do {
+			if (i < nbox) {
+				BEGIN_LP_RING(6);
+				OUT_RING( GFX_OP_DRAWRECT_INFO );
+				OUT_RING( sarea_priv->BufferState[I830_DESTREG_DR1] );
+				OUT_RING( box[i].x1 | (box[i].y1<<16) );
+				OUT_RING( box[i].x2 | (box[i].y2<<16) );
+				OUT_RING( sarea_priv->BufferState[I830_DESTREG_DR4] );
+				OUT_RING( 0 );
+				ADVANCE_LP_RING();
+			}
+
+			BEGIN_LP_RING(4);
+
+			OUT_RING( MI_BATCH_BUFFER );
+			OUT_RING( start | MI_BATCH_NON_SECURE );
+			OUT_RING( start + used - 4 );
+			OUT_RING( 0 );
+			ADVANCE_LP_RING();
+			
+		} while (++i < nbox);
+	}
+
+	BEGIN_LP_RING(10);
+	OUT_RING( CMD_STORE_DWORD_IDX );
+	OUT_RING( 20 );
+	OUT_RING( dev_priv->counter );
+	OUT_RING( 0 );
+
+	if (discard) {
+		OUT_RING( CMD_STORE_DWORD_IDX );
+		OUT_RING( buf_priv->my_use_idx );
+		OUT_RING( I830_BUF_FREE );
+		OUT_RING( 0 );
+	}
+
+      	OUT_RING( CMD_REPORT_HEAD );
+	OUT_RING( 0 );
+   	ADVANCE_LP_RING();
+}
+
+/* Interrupts are only for flushing */
+void i830_dma_service(int irq, void *device, struct pt_regs *regs)
+{
+	drm_device_t	 *dev = (drm_device_t *)device;
+      	drm_i830_private_t *dev_priv = (drm_i830_private_t *)dev->dev_private;
+   	u16 temp;
+   
+      	temp = I830_READ16(I830REG_INT_IDENTITY_R);
+   	temp = temp & ~(0x6000);
+   	if(temp != 0) I830_WRITE16(I830REG_INT_IDENTITY_R, 
+				   temp); /* Clear all interrupts */
+	else
+	   return;
+ 
+   	queue_task(&dev->tq, &tq_immediate);
+   	mark_bh(IMMEDIATE_BH);
+}
+
+void DRM(dma_immediate_bh)(void *device)
+{
+	drm_device_t *dev = (drm_device_t *) device;
+      	drm_i830_private_t *dev_priv = (drm_i830_private_t *)dev->dev_private;
+
+   	atomic_set(&dev_priv->flush_done, 1);
+   	wake_up_interruptible(&dev_priv->flush_queue);
+}
+
+static inline void i830_dma_emit_flush(drm_device_t *dev)
+{
+   	drm_i830_private_t *dev_priv = dev->dev_private;
+   	RING_LOCALS;
+
+   	i830_kernel_lost_context(dev);
+
+   	BEGIN_LP_RING(2);
+      	OUT_RING( CMD_REPORT_HEAD );
+      	OUT_RING( GFX_OP_USER_INTERRUPT );
+      	ADVANCE_LP_RING();
+
+	i830_wait_ring( dev, dev_priv->ring.Size - 8 );
+	atomic_set(&dev_priv->flush_done, 1);
+	wake_up_interruptible(&dev_priv->flush_queue);
+}
+
+static inline void i830_dma_quiescent_emit(drm_device_t *dev)
+{
+      	drm_i830_private_t *dev_priv = dev->dev_private;
+   	RING_LOCALS;
+
+  	i830_kernel_lost_context(dev);
+
+   	BEGIN_LP_RING(4);
+   	OUT_RING( INST_PARSER_CLIENT | INST_OP_FLUSH | INST_FLUSH_MAP_CACHE );
+   	OUT_RING( CMD_REPORT_HEAD );
+      	OUT_RING( 0 );
+      	OUT_RING( GFX_OP_USER_INTERRUPT );
+   	ADVANCE_LP_RING();
+
+	i830_wait_ring( dev, dev_priv->ring.Size - 8 );
+	atomic_set(&dev_priv->flush_done, 1);
+	wake_up_interruptible(&dev_priv->flush_queue);
+}
+
+void i830_dma_quiescent(drm_device_t *dev)
+{
+      	DECLARE_WAITQUEUE(entry, current);
+  	drm_i830_private_t *dev_priv = (drm_i830_private_t *)dev->dev_private;
+	unsigned long end;      
+
+   	if(dev_priv == NULL) {
+	   	return;
+	}
+      	atomic_set(&dev_priv->flush_done, 0);
+   	add_wait_queue(&dev_priv->flush_queue, &entry);
+   	end = jiffies + (HZ*3);
+   
+   	for (;;) {
+		current->state = TASK_INTERRUPTIBLE;
+	      	i830_dma_quiescent_emit(dev);
+	   	if (atomic_read(&dev_priv->flush_done) == 1) break;
+		if((signed)(end - jiffies) <= 0) {
+		   	DRM_ERROR("lockup\n");
+		   	break;
+		}	   
+	      	schedule_timeout(HZ*3);
+	      	if (signal_pending(current)) {
+		   	break;
+		}
+	}
+   
+   	current->state = TASK_RUNNING;
+   	remove_wait_queue(&dev_priv->flush_queue, &entry);
+   
+   	return;
+}
+
+static int i830_flush_queue(drm_device_t *dev)
+{
+   	DECLARE_WAITQUEUE(entry, current);
+  	drm_i830_private_t *dev_priv = (drm_i830_private_t *)dev->dev_private;
+	drm_device_dma_t *dma = dev->dma;
+	unsigned long end;
+   	int i, ret = 0;      
+
+   	if(dev_priv == NULL) {
+	   	return 0;
+	}
+      	atomic_set(&dev_priv->flush_done, 0);
+   	add_wait_queue(&dev_priv->flush_queue, &entry);
+   	end = jiffies + (HZ*3);
+   	for (;;) {
+		current->state = TASK_INTERRUPTIBLE;
+	      	i830_dma_emit_flush(dev);
+	   	if (atomic_read(&dev_priv->flush_done) == 1) break;
+		if((signed)(end - jiffies) <= 0) {
+		   	DRM_ERROR("lockup\n");
+		   	break;
+		}	   
+	      	schedule_timeout(HZ*3);
+	      	if (signal_pending(current)) {
+		   	ret = -EINTR; /* Can't restart */
+		   	break;
+		}
+	}
+   
+   	current->state = TASK_RUNNING;
+   	remove_wait_queue(&dev_priv->flush_queue, &entry);
+
+
+   	for (i = 0; i < dma->buf_count; i++) {
+	   	drm_buf_t *buf = dma->buflist[ i ];
+	   	drm_i830_buf_priv_t *buf_priv = buf->dev_private;
+	   
+		int used = cmpxchg(buf_priv->in_use, I830_BUF_HARDWARE, 
+				   I830_BUF_FREE);
+
+		if (used == I830_BUF_HARDWARE)
+			DRM_DEBUG("reclaimed from HARDWARE\n");
+		if (used == I830_BUF_CLIENT)
+			DRM_DEBUG("still on client HARDWARE\n");
+	}
+
+   	return ret;
+}
+
+/* Must be called with the lock held */
+void i830_reclaim_buffers(drm_device_t *dev, pid_t pid)
+{
+	drm_device_dma_t *dma = dev->dma;
+	int		 i;
+
+	if (!dma) return;
+      	if (!dev->dev_private) return;
+	if (!dma->buflist) return;
+
+        i830_flush_queue(dev);
+
+	for (i = 0; i < dma->buf_count; i++) {
+	   	drm_buf_t *buf = dma->buflist[ i ];
+	   	drm_i830_buf_priv_t *buf_priv = buf->dev_private;
+	   
+		if (buf->pid == pid && buf_priv) {
+			int used = cmpxchg(buf_priv->in_use, I830_BUF_CLIENT, 
+					   I830_BUF_FREE);
+
+			if (used == I830_BUF_CLIENT)
+				DRM_DEBUG("reclaimed from client\n");
+		   	if(buf_priv->currently_mapped == I830_BUF_MAPPED)
+		     		buf_priv->currently_mapped = I830_BUF_UNMAPPED;
+		}
+	}
+}
+
+int i830_flush_ioctl(struct inode *inode, struct file *filp, 
+		     unsigned int cmd, unsigned long arg)
+{
+   	drm_file_t	  *priv	  = filp->private_data;
+   	drm_device_t	  *dev	  = priv->dev;
+   
+   	DRM_DEBUG("i830_flush_ioctl\n");
+   	if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
+		DRM_ERROR("i830_flush_ioctl called without lock held\n");
+		return -EINVAL;
+	}
+
+   	i830_flush_queue(dev);
+   	return 0;
+}
+
+int i830_dma_vertex(struct inode *inode, struct file *filp,
+	       unsigned int cmd, unsigned long arg)
+{
+	drm_file_t *priv = filp->private_data;
+	drm_device_t *dev = priv->dev;
+	drm_device_dma_t *dma = dev->dma;
+   	drm_i830_private_t *dev_priv = (drm_i830_private_t *)dev->dev_private;
+      	u32 *hw_status = (u32 *)dev_priv->hw_status_page;
+   	drm_i830_sarea_t *sarea_priv = (drm_i830_sarea_t *) 
+     					dev_priv->sarea_priv; 
+	drm_i830_vertex_t vertex;
+
+	if (copy_from_user(&vertex, (drm_i830_vertex_t *)arg, sizeof(vertex)))
+		return -EFAULT;
+
+   	if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
+		DRM_ERROR("i830_dma_vertex called without lock held\n");
+		return -EINVAL;
+	}
+
+	DRM_DEBUG("i830 dma vertex, idx %d used %d discard %d\n",
+		  vertex.idx, vertex.used, vertex.discard);
+
+	if(vertex.idx < 0 || vertex.idx > dma->buf_count) return -EINVAL;
+
+	i830_dma_dispatch_vertex( dev, 
+				  dma->buflist[ vertex.idx ], 
+				  vertex.discard, vertex.used );
+
+	sarea_priv->last_enqueue = dev_priv->counter-1;
+   	sarea_priv->last_dispatch = (int) hw_status[5];
+   
+	return 0;
+}
+
+int i830_clear_bufs(struct inode *inode, struct file *filp,
+		   unsigned int cmd, unsigned long arg)
+{
+	drm_file_t *priv = filp->private_data;
+	drm_device_t *dev = priv->dev;
+	drm_i830_clear_t clear;
+
+   	if (copy_from_user(&clear, (drm_i830_clear_t *)arg, sizeof(clear)))
+		return -EFAULT;
+   
+   	if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
+		DRM_ERROR("i830_clear_bufs called without lock held\n");
+		return -EINVAL;
+	}
+
+	/* GH: Someone's doing nasty things... */
+	if (!dev->dev_private) {
+		return -EINVAL;
+	}
+
+	i830_dma_dispatch_clear( dev, clear.flags, 
+				 clear.clear_color, 
+				 clear.clear_depth,
+			         clear.clear_depthmask);
+   	return 0;
+}
+
+int i830_swap_bufs(struct inode *inode, struct file *filp,
+		  unsigned int cmd, unsigned long arg)
+{
+	drm_file_t *priv = filp->private_data;
+	drm_device_t *dev = priv->dev;
+   
+	DRM_DEBUG("i830_swap_bufs\n");
+
+   	if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
+		DRM_ERROR("i830_swap_buf called without lock held\n");
+		return -EINVAL;
+	}
+
+	i830_dma_dispatch_swap( dev );
+   	return 0;
+}
+
+int i830_getage(struct inode *inode, struct file *filp, unsigned int cmd,
+		unsigned long arg)
+{
+   	drm_file_t	  *priv	    = filp->private_data;
+	drm_device_t	  *dev	    = priv->dev;
+   	drm_i830_private_t *dev_priv = (drm_i830_private_t *)dev->dev_private;
+      	u32 *hw_status = (u32 *)dev_priv->hw_status_page;
+   	drm_i830_sarea_t *sarea_priv = (drm_i830_sarea_t *) 
+     					dev_priv->sarea_priv; 
+
+      	sarea_priv->last_dispatch = (int) hw_status[5];
+	return 0;
+}
+
+int i830_getbuf(struct inode *inode, struct file *filp, unsigned int cmd,
+		unsigned long arg)
+{
+	drm_file_t	  *priv	    = filp->private_data;
+	drm_device_t	  *dev	    = priv->dev;
+	int		  retcode   = 0;
+	drm_i830_dma_t	  d;
+   	drm_i830_private_t *dev_priv = (drm_i830_private_t *)dev->dev_private;
+   	u32 *hw_status = (u32 *)dev_priv->hw_status_page;
+   	drm_i830_sarea_t *sarea_priv = (drm_i830_sarea_t *) 
+     					dev_priv->sarea_priv; 
+
+	DRM_DEBUG("getbuf\n");
+   	if (copy_from_user(&d, (drm_i830_dma_t *)arg, sizeof(d)))
+		return -EFAULT;
+   
+	if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
+		DRM_ERROR("i830_dma called without lock held\n");
+		return -EINVAL;
+	}
+	
+	d.granted = 0;
+
+	retcode = i830_dma_get_buffer(dev, &d, filp);
+
+	DRM_DEBUG("i830_dma: %d returning %d, granted = %d\n",
+		  current->pid, retcode, d.granted);
+
+	if (copy_to_user((drm_dma_t *)arg, &d, sizeof(d)))
+		return -EFAULT;
+   	sarea_priv->last_dispatch = (int) hw_status[5];
+
+	return retcode;
+}
+
+int i830_copybuf(struct inode *inode, struct file *filp, unsigned int cmd,
+		unsigned long arg)
+{
+	drm_file_t	  *priv	    = filp->private_data;
+	drm_device_t	  *dev	    = priv->dev;
+	drm_i830_copy_t	  d;
+   	drm_i830_private_t *dev_priv = (drm_i830_private_t *)dev->dev_private;
+   	u32 *hw_status = (u32 *)dev_priv->hw_status_page;
+   	drm_i830_sarea_t *sarea_priv = (drm_i830_sarea_t *) 
+     					dev_priv->sarea_priv; 
+	drm_buf_t *buf;
+	drm_i830_buf_priv_t *buf_priv;
+	drm_device_dma_t *dma = dev->dma;
+
+	if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
+		DRM_ERROR("i830_dma called without lock held\n");
+		return -EINVAL;
+	}
+   
+   	if (copy_from_user(&d, (drm_i830_copy_t *)arg, sizeof(d)))
+		return -EFAULT;
+
+	if(d.idx < 0 || d.idx > dma->buf_count) return -EINVAL;
+	buf = dma->buflist[ d.idx ];
+   	buf_priv = buf->dev_private;
+	if (buf_priv->currently_mapped != I830_BUF_MAPPED) return -EPERM;
+
+	if(d.used < 0 || d.used > buf->total) return -EINVAL;
+
+   	if (copy_from_user(buf_priv->virtual, d.address, d.used))
+		return -EFAULT;
+
+   	sarea_priv->last_dispatch = (int) hw_status[5];
+
+	return 0;
+}
+
+int i830_docopy(struct inode *inode, struct file *filp, unsigned int cmd,
+		unsigned long arg)
+{
+	if(VM_DONTCOPY == 0) return 1;
+	return 0;
+}
diff --git a/linux/i830_drm.h b/linux/i830_drm.h
new file mode 100644
index 00000000..e4a2a257
--- /dev/null
+++ b/linux/i830_drm.h
@@ -0,0 +1,238 @@
+#ifndef _I830_DRM_H_
+#define _I830_DRM_H_
+
+/* WARNING: These defines must be the same as what the Xserver uses.
+ * if you change them, you must change the defines in the Xserver.
+ */
+
+#ifndef _I830_DEFINES_
+#define _I830_DEFINES_
+
+#define I830_DMA_BUF_ORDER		12
+#define I830_DMA_BUF_SZ 		(1<<I830_DMA_BUF_ORDER)
+#define I830_DMA_BUF_NR 		256
+#define I830_NR_SAREA_CLIPRECTS 	8
+
+/* Each region is a minimum of 64k, and there are at most 64 of them.
+ */
+#define I830_NR_TEX_REGIONS 64
+#define I830_LOG_MIN_TEX_REGION_SIZE 16
+
+/* if defining I830_ENABLE_4_TEXTURES, do it in i830_3d_reg.h, too */
+#if !defined(I830_ENABLE_4_TEXTURES)
+#define I830_TEXTURE_COUNT	2
+#define I830_TEXBLEND_COUNT	2	/* always same as TEXTURE_COUNT? */
+#else /* defined(I830_ENABLE_4_TEXTURES) */
+#define I830_TEXTURE_COUNT	4
+#define I830_TEXBLEND_COUNT	4	/* always same as TEXTURE_COUNT? */
+#endif /* I830_ENABLE_4_TEXTURES */
+
+#define I830_TEXBLEND_SIZE	12	/* (4 args + op) * 2 + COLOR_FACTOR */
+
+#define I830_UPLOAD_CTX			0x1
+#define I830_UPLOAD_BUFFERS		0x2
+#define I830_UPLOAD_CLIPRECTS		0x4
+#define I830_UPLOAD_TEX0_IMAGE		0x100 /* handled clientside */
+#define I830_UPLOAD_TEX0_CUBE		0x200 /* handled clientside */
+#define I830_UPLOAD_TEX1_IMAGE		0x400 /* handled clientside */
+#define I830_UPLOAD_TEX1_CUBE		0x800 /* handled clientside */
+#define I830_UPLOAD_TEX2_IMAGE		0x1000 /* handled clientside */
+#define I830_UPLOAD_TEX2_CUBE		0x2000 /* handled clientside */
+#define I830_UPLOAD_TEX3_IMAGE		0x4000 /* handled clientside */
+#define I830_UPLOAD_TEX3_CUBE		0x8000 /* handled clientside */
+#define I830_UPLOAD_TEX_N_IMAGE(n)	(0x100 << (n * 2))
+#define I830_UPLOAD_TEX_N_CUBE(n)	(0x200 << (n * 2))
+#define I830_UPLOAD_TEXIMAGE_MASK	0xff00
+#define I830_UPLOAD_TEX0			0x10000
+#define I830_UPLOAD_TEX1			0x20000
+#define I830_UPLOAD_TEX2			0x40000
+#define I830_UPLOAD_TEX3			0x80000
+#define I830_UPLOAD_TEX_N(n)		(0x10000 << (n))
+#define I830_UPLOAD_TEX_MASK		0xf0000
+#define I830_UPLOAD_TEXBLEND0		0x100000
+#define I830_UPLOAD_TEXBLEND1		0x200000
+#define I830_UPLOAD_TEXBLEND2		0x400000
+#define I830_UPLOAD_TEXBLEND3		0x800000
+#define I830_UPLOAD_TEXBLEND_N(n)	(0x100000 << (n))
+#define I830_UPLOAD_TEXBLEND_MASK	0xf00000
+#define I830_UPLOAD_TEX_PALETTE_N(n)    (0x1000000 << (n))
+#define I830_UPLOAD_TEX_PALETTE_SHARED	0x4000000
+
+/* Indices into buf.Setup where various bits of state are mirrored per
+ * context and per buffer.  These can be fired at the card as a unit,
+ * or in a piecewise fashion as required.
+ */
+
+/* Destbuffer state 
+ *    - backbuffer linear offset and pitch -- invarient in the current dri
+ *    - zbuffer linear offset and pitch -- also invarient
+ *    - drawing origin in back and depth buffers.
+ *
+ * Keep the depth/back buffer state here to acommodate private buffers
+ * in the future.
+ */
+
+#define I830_DESTREG_CBUFADDR 0
+/* Invarient */
+#define I830_DESTREG_DBUFADDR 1
+#define I830_DESTREG_DV0 2
+#define I830_DESTREG_DV1 3
+#define I830_DESTREG_SENABLE 4
+#define I830_DESTREG_SR0 5
+#define I830_DESTREG_SR1 6
+#define I830_DESTREG_SR2 7
+#define I830_DESTREG_DR0 8
+#define I830_DESTREG_DR1 9
+#define I830_DESTREG_DR2 10
+#define I830_DESTREG_DR3 11
+#define I830_DESTREG_DR4 12
+#define I830_DEST_SETUP_SIZE 13
+
+/* Context state
+ */
+#define I830_CTXREG_STATE1		0
+#define I830_CTXREG_STATE2		1
+#define I830_CTXREG_STATE3		2
+#define I830_CTXREG_STATE4		3
+#define I830_CTXREG_STATE5		4
+#define I830_CTXREG_IALPHAB		5
+#define I830_CTXREG_STENCILTST		6
+#define I830_CTXREG_ENABLES_1		7
+#define I830_CTXREG_ENABLES_2		8
+#define I830_CTXREG_AA			9
+#define I830_CTXREG_FOGCOLOR		10
+#define I830_CTXREG_BLENDCOLR0		11
+#define I830_CTXREG_BLENDCOLR		12 /* Dword 1 of 2 dword command */
+#define I830_CTXREG_VF			13
+#define I830_CTXREG_VF2			14
+#define I830_CTXREG_MCSB0		15
+#define I830_CTXREG_MCSB1		16
+#define I830_CTX_SETUP_SIZE		17
+
+/* Texture state (per tex unit)
+ */
+
+#define I830_TEXREG_MI0	0	/* GFX_OP_MAP_INFO (6 dwords) */
+#define I830_TEXREG_MI1	1
+#define I830_TEXREG_MI2	2
+#define I830_TEXREG_MI3	3
+#define I830_TEXREG_MI4	4
+#define I830_TEXREG_MI5	5
+#define I830_TEXREG_MF	6	/* GFX_OP_MAP_FILTER */
+#define I830_TEXREG_MLC	7	/* GFX_OP_MAP_LOD_CTL */
+#define I830_TEXREG_MLL	8	/* GFX_OP_MAP_LOD_LIMITS */
+#define I830_TEXREG_MCS	9	/* GFX_OP_MAP_COORD_SETS */
+#define I830_TEX_SETUP_SIZE 10
+
+#define I830_FRONT   0x1
+#define I830_BACK    0x2
+#define I830_DEPTH   0x4
+
+#endif /* _I830_DEFINES_ */
+
+typedef struct _drm_i830_init {
+	enum {
+		I830_INIT_DMA = 0x01,
+		I830_CLEANUP_DMA = 0x02
+	} func;
+	unsigned int mmio_offset;
+	unsigned int buffers_offset;
+	int sarea_priv_offset;
+	unsigned int ring_start;
+	unsigned int ring_end;
+	unsigned int ring_size;
+	unsigned int front_offset;
+	unsigned int back_offset;
+	unsigned int depth_offset;
+	unsigned int w;
+	unsigned int h;
+	unsigned int pitch;
+	unsigned int pitch_bits;
+	unsigned int back_pitch;
+	unsigned int depth_pitch;
+	unsigned int cpp;
+} drm_i830_init_t;
+
+/* Warning: If you change the SAREA structure you must change the Xserver
+ * structure as well */
+
+typedef struct _drm_i830_tex_region {
+	unsigned char next, prev; /* indices to form a circular LRU  */
+	unsigned char in_use;	/* owned by a client, or free? */
+	int age;		/* tracked by clients to update local LRU's */
+} drm_i830_tex_region_t;
+
+typedef struct _drm_i830_sarea {
+	unsigned int ContextState[I830_CTX_SETUP_SIZE];
+   	unsigned int BufferState[I830_DEST_SETUP_SIZE];
+	unsigned int TexState[I830_TEXTURE_COUNT][I830_TEX_SETUP_SIZE];
+	unsigned int TexBlendState[I830_TEXBLEND_COUNT][I830_TEXBLEND_SIZE];
+	unsigned int TexBlendStateWordsUsed[I830_TEXBLEND_COUNT];
+	unsigned int Palette[2][256];
+   	unsigned int dirty;
+
+	unsigned int nbox;
+	drm_clip_rect_t boxes[I830_NR_SAREA_CLIPRECTS];
+
+	/* Maintain an LRU of contiguous regions of texture space.  If
+	 * you think you own a region of texture memory, and it has an
+	 * age different to the one you set, then you are mistaken and
+	 * it has been stolen by another client.  If global texAge
+	 * hasn't changed, there is no need to walk the list.
+	 *
+	 * These regions can be used as a proxy for the fine-grained
+	 * texture information of other clients - by maintaining them
+	 * in the same lru which is used to age their own textures,
+	 * clients have an approximate lru for the whole of global
+	 * texture space, and can make informed decisions as to which
+	 * areas to kick out.  There is no need to choose whether to
+	 * kick out your own texture or someone else's - simply eject
+	 * them all in LRU order.  
+	 */
+
+	drm_i830_tex_region_t texList[I830_NR_TEX_REGIONS+1]; 
+				/* Last elt is sentinal */
+        int texAge;		/* last time texture was uploaded */
+        int last_enqueue;	/* last time a buffer was enqueued */
+	int last_dispatch;	/* age of the most recently dispatched buffer */
+	int last_quiescent;     /*  */
+	int ctxOwner;		/* last context to upload state */
+
+	int vertex_prim;
+} drm_i830_sarea_t;
+
+typedef struct _drm_i830_clear {
+	int clear_color;
+	int clear_depth;
+	int flags;
+	unsigned int clear_colormask;
+	unsigned int clear_depthmask;
+} drm_i830_clear_t;
+
+
+
+/* These may be placeholders if we have more cliprects than
+ * I830_NR_SAREA_CLIPRECTS.  In that case, the client sets discard to
+ * false, indicating that the buffer will be dispatched again with a
+ * new set of cliprects.
+ */
+typedef struct _drm_i830_vertex {
+   	int idx;		/* buffer index */
+	int used;		/* nr bytes in use */
+	int discard;		/* client is finished with the buffer? */
+} drm_i830_vertex_t;
+
+typedef struct _drm_i830_copy_t {
+   	int idx;		/* buffer index */
+	int used;		/* nr bytes in use */
+	void *address;		/* Address to copy from */
+} drm_i830_copy_t;
+
+typedef struct drm_i830_dma {
+	void *virtual;
+	int request_idx;
+	int request_size;
+	int granted;
+} drm_i830_dma_t;
+
+#endif /* _I830_DRM_H_ */
diff --git a/linux/i830_drv.c b/linux/i830_drv.c
new file mode 100644
index 00000000..904f3660
--- /dev/null
+++ b/linux/i830_drv.c
@@ -0,0 +1,102 @@
+/* i830_drv.c -- I810 driver -*- linux-c -*-
+ * Created: Mon Dec 13 01:56:22 1999 by jhartmann@precisioninsight.com
+ *
+ * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Rickard E. (Rik) Faith <faith@valinux.com>
+ *    Jeff Hartmann <jhartmann@valinux.com>
+ *    Gareth Hughes <gareth@valinux.com>
+ *    Abraham vd Merwe <abraham@2d3d.co.za>
+ */
+
+#include <linux/config.h>
+#include "i830.h"
+#include "drmP.h"
+#include "i830_drv.h"
+
+#define DRIVER_AUTHOR		"VA Linux Systems Inc."
+
+#define DRIVER_NAME		"i830"
+#define DRIVER_DESC		"Intel 830M"
+#define DRIVER_DATE		"20011004"
+
+#define DRIVER_MAJOR		1
+#define DRIVER_MINOR		2
+#define DRIVER_PATCHLEVEL	0
+
+#define DRIVER_IOCTLS							    \
+	[DRM_IOCTL_NR(DRM_IOCTL_I830_INIT)]   = { i830_dma_init,    1, 1 }, \
+   	[DRM_IOCTL_NR(DRM_IOCTL_I830_VERTEX)] = { i830_dma_vertex,  1, 0 }, \
+   	[DRM_IOCTL_NR(DRM_IOCTL_I830_CLEAR)]  = { i830_clear_bufs,  1, 0 }, \
+      	[DRM_IOCTL_NR(DRM_IOCTL_I830_FLUSH)]  = { i830_flush_ioctl, 1, 0 }, \
+   	[DRM_IOCTL_NR(DRM_IOCTL_I830_GETAGE)] = { i830_getage,      1, 0 }, \
+	[DRM_IOCTL_NR(DRM_IOCTL_I830_GETBUF)] = { i830_getbuf,      1, 0 }, \
+   	[DRM_IOCTL_NR(DRM_IOCTL_I830_SWAP)]   = { i830_swap_bufs,   1, 0 }, \
+   	[DRM_IOCTL_NR(DRM_IOCTL_I830_COPY)]   = { i830_copybuf,     1, 0 }, \
+   	[DRM_IOCTL_NR(DRM_IOCTL_I830_DOCOPY)] = { i830_docopy,      1, 0 },
+
+#define __HAVE_COUNTERS         4
+#define __HAVE_COUNTER6         _DRM_STAT_IRQ
+#define __HAVE_COUNTER7         _DRM_STAT_PRIMARY
+#define __HAVE_COUNTER8         _DRM_STAT_SECONDARY
+#define __HAVE_COUNTER9         _DRM_STAT_DMA
+
+
+#include "drm_agpsupport.h"
+#include "drm_auth.h"
+#include "drm_bufs.h"
+#include "drm_context.h"
+#include "drm_dma.h"
+#include "drm_drawable.h"
+#include "drm_drv.h"
+
+#ifndef MODULE
+/* DRM(options) is called by the kernel to parse command-line options
+ * passed via the boot-loader (e.g., LILO).  It calls the insmod option
+ * routine, drm_parse_drm.
+ */
+
+/* JH- We have to hand expand the string ourselves because of the cpp.  If
+ * anyone can think of a way that we can fit into the __setup macro without
+ * changing it, then please send the solution my way.
+ */
+static int __init i830_options( char *str )
+{
+   DRM(parse_options)( str );
+   return 1;
+}
+
+__setup( DRIVER_NAME "=", i830_options );
+#endif
+
+#include "drm_fops.h"
+#include "drm_init.h"
+#include "drm_ioctl.h"
+#include "drm_lock.h"
+#include "drm_lists.h"
+#include "drm_memory.h"
+#include "drm_proc.h"
+#include "drm_vm.h"
+#include "drm_stub.h"
diff --git a/linux/i830_drv.h b/linux/i830_drv.h
new file mode 100644
index 00000000..4e9d6c80
--- /dev/null
+++ b/linux/i830_drv.h
@@ -0,0 +1,213 @@
+/* i830_drv.h -- Private header for the I830 driver -*- linux-c -*-
+ * Created: Mon Dec 13 01:50:01 1999 by jhartmann@precisioninsight.com
+ *
+ * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Rickard E. (Rik) Faith <faith@valinux.com>
+ * 	    Jeff Hartmann <jhartmann@valinux.com>
+ *
+ */
+
+#ifndef _I830_DRV_H_
+#define _I830_DRV_H_
+
+typedef struct drm_i830_buf_priv {
+   	u32 *in_use;
+   	int my_use_idx;
+	int currently_mapped;
+	void *virtual;
+	void *kernel_virtual;
+	int map_count;
+   	struct vm_area_struct *vma;
+} drm_i830_buf_priv_t;
+
+typedef struct _drm_i830_ring_buffer{
+	int tail_mask;
+	unsigned long Start;
+	unsigned long End;
+	unsigned long Size;
+	u8 *virtual_start;
+	int head;
+	int tail;
+	int space;
+} drm_i830_ring_buffer_t;
+
+typedef struct drm_i830_private {
+	drm_map_t *sarea_map;
+	drm_map_t *buffer_map;
+	drm_map_t *mmio_map;
+
+	drm_i830_sarea_t *sarea_priv;
+   	drm_i830_ring_buffer_t ring;
+
+      	unsigned long hw_status_page;
+   	unsigned long counter;
+
+   	atomic_t flush_done;
+   	wait_queue_head_t flush_queue;	/* Processes waiting until flush    */
+	drm_buf_t *mmap_buffer;
+	
+	u32 front_di1, back_di1, zi1;
+	
+	int back_offset;
+	int depth_offset;
+	int w, h;
+	int pitch;
+	int back_pitch;
+	int depth_pitch;
+	unsigned int cpp;
+} drm_i830_private_t;
+
+				/* i830_dma.c */
+extern int  i830_dma_schedule(drm_device_t *dev, int locked);
+extern int  i830_getbuf(struct inode *inode, struct file *filp,
+			unsigned int cmd, unsigned long arg);
+extern int  i830_dma_init(struct inode *inode, struct file *filp,
+			  unsigned int cmd, unsigned long arg);
+extern int  i830_flush_ioctl(struct inode *inode, struct file *filp,
+			     unsigned int cmd, unsigned long arg);
+extern void i830_reclaim_buffers(drm_device_t *dev, pid_t pid);
+extern int  i830_getage(struct inode *inode, struct file *filp, unsigned int cmd,
+			unsigned long arg);
+extern int i830_mmap_buffers(struct file *filp, struct vm_area_struct *vma);
+extern int i830_copybuf(struct inode *inode, struct file *filp, 
+			unsigned int cmd, unsigned long arg);
+extern int i830_docopy(struct inode *inode, struct file *filp, 
+		       unsigned int cmd, unsigned long arg);
+
+extern void i830_dma_quiescent(drm_device_t *dev);
+
+extern int i830_dma_vertex(struct inode *inode, struct file *filp,
+			  unsigned int cmd, unsigned long arg);
+
+extern int i830_swap_bufs(struct inode *inode, struct file *filp,
+			 unsigned int cmd, unsigned long arg);
+
+extern int i830_clear_bufs(struct inode *inode, struct file *filp,
+			  unsigned int cmd, unsigned long arg);
+
+#define I830_VERBOSE 0
+
+#define I830_BASE(reg)		((unsigned long) \
+				dev_priv->mmio_map->handle)
+#define I830_ADDR(reg)		(I830_BASE(reg) + reg)
+#define I830_DEREF(reg)		*(__volatile__ int *)I830_ADDR(reg)
+#define I830_READ(reg)		I830_DEREF(reg)
+#define I830_WRITE(reg,val) 	do { I830_DEREF(reg) = val; } while (0)
+#define I830_DEREF16(reg)	*(__volatile__ u16 *)I830_ADDR(reg)
+#define I830_READ16(reg) 	I830_DEREF16(reg)
+#define I830_WRITE16(reg,val)	do { I830_DEREF16(reg) = val; } while (0)
+
+#define GFX_OP_USER_INTERRUPT 		((0<<29)|(2<<23))
+#define GFX_OP_BREAKPOINT_INTERRUPT	((0<<29)|(1<<23))
+#define CMD_REPORT_HEAD			(7<<23)
+#define CMD_STORE_DWORD_IDX		((0x21<<23) | 0x1)
+#define CMD_OP_BATCH_BUFFER  ((0x0<<29)|(0x30<<23)|0x1)
+
+#define INST_PARSER_CLIENT   0x00000000
+#define INST_OP_FLUSH        0x02000000
+#define INST_FLUSH_MAP_CACHE 0x00000001
+
+
+#define BB1_START_ADDR_MASK   (~0x7)
+#define BB1_PROTECTED         (1<<0)
+#define BB1_UNPROTECTED       (0<<0)
+#define BB2_END_ADDR_MASK     (~0x7)
+
+#define I830REG_HWSTAM		0x02098
+#define I830REG_INT_IDENTITY_R	0x020a4
+#define I830REG_INT_MASK_R 	0x020a8
+#define I830REG_INT_ENABLE_R	0x020a0
+
+#define LP_RING     		0x2030
+#define HP_RING     		0x2040
+#define RING_TAIL      		0x00
+#define TAIL_ADDR		0x000FFFF8
+#define RING_HEAD      		0x04
+#define HEAD_WRAP_COUNT     	0xFFE00000
+#define HEAD_WRAP_ONE       	0x00200000
+#define HEAD_ADDR           	0x001FFFFC
+#define RING_START     		0x08
+#define START_ADDR          	0x00FFFFF8
+#define RING_LEN       		0x0C
+#define RING_NR_PAGES       	0x000FF000 
+#define RING_REPORT_MASK    	0x00000006
+#define RING_REPORT_64K     	0x00000002
+#define RING_REPORT_128K    	0x00000004
+#define RING_NO_REPORT      	0x00000000
+#define RING_VALID_MASK     	0x00000001
+#define RING_VALID          	0x00000001
+#define RING_INVALID        	0x00000000
+
+#define GFX_OP_SCISSOR         ((0x3<<29)|(0x1c<<24)|(0x10<<19))
+#define SC_UPDATE_SCISSOR       (0x1<<1)
+#define SC_ENABLE_MASK          (0x1<<0)
+#define SC_ENABLE               (0x1<<0)
+
+#define GFX_OP_SCISSOR_INFO    ((0x3<<29)|(0x1d<<24)|(0x81<<16)|(0x1))
+#define SCI_YMIN_MASK      (0xffff<<16)
+#define SCI_XMIN_MASK      (0xffff<<0)
+#define SCI_YMAX_MASK      (0xffff<<16)
+#define SCI_XMAX_MASK      (0xffff<<0)
+
+#define GFX_OP_SCISSOR_ENABLE	 ((0x3<<29)|(0x1c<<24)|(0x10<<19))
+#define GFX_OP_SCISSOR_RECT	 ((0x3<<29)|(0x1d<<24)|(0x81<<16)|1)
+#define GFX_OP_COLOR_FACTOR      ((0x3<<29)|(0x1d<<24)|(0x1<<16)|0x0)
+#define GFX_OP_STIPPLE           ((0x3<<29)|(0x1d<<24)|(0x83<<16))
+#define GFX_OP_MAP_INFO          ((0x3<<29)|(0x1d<<24)|0x4)
+#define GFX_OP_DESTBUFFER_VARS   ((0x3<<29)|(0x1d<<24)|(0x85<<16)|0x0)
+#define GFX_OP_DRAWRECT_INFO     ((0x3<<29)|(0x1d<<24)|(0x80<<16)|(0x3))
+#define GFX_OP_PRIMITIVE         ((0x3<<29)|(0x1f<<24))
+
+#define CMD_OP_DESTBUFFER_INFO	 ((0x3<<29)|(0x1d<<24)|(0x8e<<16)|1)
+
+
+#define BR00_BITBLT_CLIENT   0x40000000
+#define BR00_OP_COLOR_BLT    0x10000000
+#define BR00_OP_SRC_COPY_BLT 0x10C00000
+#define BR13_SOLID_PATTERN   0x80000000
+
+#define BUF_3D_ID_COLOR_BACK    (0x3<<24)
+#define BUF_3D_ID_DEPTH         (0x7<<24)
+#define BUF_3D_USE_FENCE        (1<<23)
+#define BUF_3D_PITCH(x)         (((x)/4)<<2)
+
+#define CMD_OP_MAP_PALETTE_LOAD	((3<<29)|(0x1d<<24)|(0x82<<16)|255)
+#define MAP_PALETTE_NUM(x)	((x<<8) & (1<<8))
+#define MAP_PALETTE_BOTH	(1<<11)
+
+#define XY_COLOR_BLT_CMD		((2<<29)|(0x50<<22)|0x4)
+#define XY_COLOR_BLT_WRITE_ALPHA	(1<<21)
+#define XY_COLOR_BLT_WRITE_RGB		(1<<20)
+
+#define XY_SRC_COPY_BLT_CMD             ((2<<29)|(0x53<<22)|6)
+#define XY_SRC_COPY_BLT_WRITE_ALPHA     (1<<21)
+#define XY_SRC_COPY_BLT_WRITE_RGB       (1<<20)
+
+#define MI_BATCH_BUFFER 	((0x30<<23)|1)
+#define MI_BATCH_NON_SECURE	(1)
+
+
+#endif
+
diff --git a/linux/picker.c b/linux/picker.c
index 4b4fbe90..6c228dfc 100644
--- a/linux/picker.c
+++ b/linux/picker.c
@@ -22,14 +22,9 @@
 #define CONFIG_AGP 0
 #endif
 
-#ifndef CONFIG_FB_SIS
-#define CONFIG_FB_SIS 0
-#endif
-
 SMP = CONFIG_SMP
 MODULES = CONFIG_MODULES
 MODVERSIONS = CONFIG_MODVERSIONS
 AGP = CONFIG_AGP
 AGP_MODULE = CONFIG_AGP_MODULE
 RELEASE = UTS_RELEASE
-SIS = CONFIG_FB_SIS
diff --git a/linux/r128_cce.c b/linux/r128_cce.c
index 2c03e6ba..ef11a497 100644
--- a/linux/r128_cce.c
+++ b/linux/r128_cce.c
@@ -350,20 +350,11 @@ static void r128_cce_init_ring_buffer( drm_device_t *dev,
 		tmp_ofs = dev_priv->ring_rptr->offset - dev->sg->handle;
 		page_ofs = tmp_ofs >> PAGE_SHIFT;
 
-#if defined(__alpha__) && (LINUX_VERSION_CODE >= 0x020400)
 		R128_WRITE( R128_PM4_BUFFER_DL_RPTR_ADDR,
      			    entry->busaddr[page_ofs]);
 		DRM_DEBUG( "ring rptr: offset=0x%08x handle=0x%08lx\n",
 			   entry->busaddr[page_ofs],
      			   entry->handle + tmp_ofs );
-#else
-		R128_WRITE( R128_PM4_BUFFER_DL_RPTR_ADDR,
-			    page_to_bus(entry->pagelist[page_ofs]));
-
-		DRM_DEBUG( "ring rptr: offset=0x%08x handle=0x%08lx\n",
-			   page_to_bus(entry->pagelist[page_ofs]),
-			   entry->handle + tmp_ofs );
-#endif
 	}
 
 	/* Set watermark control */
diff --git a/linux/r128_drv.c b/linux/r128_drv.c
index d4eda6c8..d8d7be4f 100644
--- a/linux/r128_drv.c
+++ b/linux/r128_drv.c
@@ -39,11 +39,11 @@
 
 #define DRIVER_NAME		"r128"
 #define DRIVER_DESC		"ATI Rage 128"
-#define DRIVER_DATE		"20010405"
+#define DRIVER_DATE		"20010917"
 
 #define DRIVER_MAJOR		2
-#define DRIVER_MINOR		1
-#define DRIVER_PATCHLEVEL	6
+#define DRIVER_MINOR		2
+#define DRIVER_PATCHLEVEL	0
 
 #define DRIVER_IOCTLS							    \
    [DRM_IOCTL_NR(DRM_IOCTL_DMA)]             = { r128_cce_buffers,  1, 0 }, \
diff --git a/linux/r128_state.c b/linux/r128_state.c
index 66af5c45..9de1b6b9 100644
--- a/linux/r128_state.c
+++ b/linux/r128_state.c
@@ -1519,10 +1519,75 @@ int r128_cce_indirect( struct inode *inode, struct file *filp,
 {
 	drm_file_t *priv = filp->private_data;
 	drm_device_t *dev = priv->dev;
+	drm_r128_private_t *dev_priv = dev->dev_private;
+	drm_device_dma_t *dma = dev->dma;
+	drm_buf_t *buf;
+	drm_r128_buf_priv_t *buf_priv;
+	drm_r128_indirect_t indirect;
+#if 0
+	RING_LOCALS;
+#endif
 
 	LOCK_TEST_WITH_RETURN( dev );
 
-	/* Indirect buffer firing is not supported at this time.
+	if ( !dev_priv ) {
+		DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ );
+		return -EINVAL;
+	}
+
+	if ( copy_from_user( &indirect, (drm_r128_indirect_t *)arg,
+			     sizeof(indirect) ) )
+		return -EFAULT;
+
+	DRM_DEBUG( "indirect: idx=%d s=%d e=%d d=%d\n",
+		   indirect.idx, indirect.start,
+		   indirect.end, indirect.discard );
+
+	if ( indirect.idx < 0 || indirect.idx >= dma->buf_count ) {
+		DRM_ERROR( "buffer index %d (of %d max)\n",
+			   indirect.idx, dma->buf_count - 1 );
+		return -EINVAL;
+	}
+
+	buf = dma->buflist[indirect.idx];
+	buf_priv = buf->dev_private;
+
+	if ( buf->pid != current->pid ) {
+		DRM_ERROR( "process %d using buffer owned by %d\n",
+			   current->pid, buf->pid );
+		return -EINVAL;
+	}
+	if ( buf->pending ) {
+		DRM_ERROR( "sending pending buffer %d\n", indirect.idx );
+		return -EINVAL;
+	}
+
+	if ( indirect.start < buf->used ) {
+		DRM_ERROR( "reusing indirect: start=0x%x actual=0x%x\n",
+			   indirect.start, buf->used );
+		return -EINVAL;
+	}
+
+	RING_SPACE_TEST_WITH_RETURN( dev_priv );
+	VB_AGE_TEST_WITH_RETURN( dev_priv );
+
+	buf->used = indirect.end;
+	buf_priv->discard = indirect.discard;
+
+#if 0
+	/* Wait for the 3D stream to idle before the indirect buffer
+	 * containing 2D acceleration commands is processed.
 	 */
-	return -EINVAL;
+	BEGIN_RING( 2 );
+	RADEON_WAIT_UNTIL_3D_IDLE();
+	ADVANCE_RING();
+#endif
+
+	/* Dispatch the indirect buffer full of commands from the
+	 * X server.  This is insecure and is thus only available to
+	 * privileged clients.
+	 */
+	r128_cce_dispatch_indirect( dev, buf, indirect.start, indirect.end );
+
+	return 0;
 }
diff --git a/linux/radeon_cp.c b/linux/radeon_cp.c
index 6d508a5c..904c8b77 100644
--- a/linux/radeon_cp.c
+++ b/linux/radeon_cp.c
@@ -543,8 +543,7 @@ static int radeon_do_engine_reset( drm_device_t *dev )
 						RADEON_SOFT_RESET_RE |
 						RADEON_SOFT_RESET_PP |
 						RADEON_SOFT_RESET_E2 |
-						RADEON_SOFT_RESET_RB |
-						RADEON_SOFT_RESET_HDP ) );
+						RADEON_SOFT_RESET_RB ) );
 	RADEON_READ( RADEON_RBBM_SOFT_RESET );
 	RADEON_WRITE( RADEON_RBBM_SOFT_RESET, ( rbbm_soft_reset &
 						~( RADEON_SOFT_RESET_CP |
@@ -553,8 +552,7 @@ static int radeon_do_engine_reset( drm_device_t *dev )
 						   RADEON_SOFT_RESET_RE |
 						   RADEON_SOFT_RESET_PP |
 						   RADEON_SOFT_RESET_E2 |
-						   RADEON_SOFT_RESET_RB |
-						   RADEON_SOFT_RESET_HDP ) ) );
+						   RADEON_SOFT_RESET_RB ) ) );
 	RADEON_READ( RADEON_RBBM_SOFT_RESET );
 
 
@@ -622,20 +620,12 @@ static void radeon_cp_init_ring_buffer( drm_device_t *dev,
 
 		tmp_ofs = dev_priv->ring_rptr->offset - dev->sg->handle;
 		page_ofs = tmp_ofs >> PAGE_SHIFT;
-#if defined(__alpha__) && (LINUX_VERSION_CODE >= 0x020400)
+
 		RADEON_WRITE( RADEON_CP_RB_RPTR_ADDR,
 			     entry->busaddr[page_ofs]);
 		DRM_DEBUG( "ring rptr: offset=0x%08x handle=0x%08lx\n",
 			   entry->busaddr[page_ofs],
 			   entry->handle + tmp_ofs );
-#else
-		RADEON_WRITE( RADEON_CP_RB_RPTR_ADDR,
-			      page_to_bus(entry->pagelist[page_ofs]));
-
-		DRM_DEBUG( "ring rptr: offset=0x%08x handle=0x%08lx\n",
-			   page_to_bus(entry->pagelist[page_ofs]),
-			   entry->handle + tmp_ofs );
-#endif
 	}
 
 	/* Set ring buffer size */
diff --git a/linux/radeon_state.c b/linux/radeon_state.c
index 0a209245..9322292a 100644
--- a/linux/radeon_state.c
+++ b/linux/radeon_state.c
@@ -1058,7 +1058,7 @@ static int radeon_cp_dispatch_texture( drm_device_t *dev,
 			DRM_ERROR( "EFAULT on tex->image\n" );
 			return -EFAULT;
 		}
-	} else if ( size < 4 ) {
+	} else if ( size < 4 && size > 0 ) {
 		size = 4;
 	}
 
diff --git a/linux/sis.h b/linux/sis.h
index 2e5f7bb3..02f03086 100644
--- a/linux/sis.h
+++ b/linux/sis.h
@@ -24,7 +24,7 @@
  * DEALINGS IN THE SOFTWARE.
  * 
  */
-/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/sis.h,v 1.1 2001/05/19 18:29:22 dawes Exp $ */
+/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/sis.h,v 1.2 2001/12/19 21:25:59 dawes Exp $ */
 
 #ifndef __SIS_H__
 #define __SIS_H__
@@ -47,4 +47,10 @@
 #define DRIVER_AGP_BUFFERS_MAP( dev )					\
 	((drm_sis_private_t *)((dev)->dev_private))->buffers
 
+extern int sis_init_context(int context);
+extern int sis_final_context(int context);
+
+#define DRIVER_CTX_CTOR sis_init_context
+#define DRIVER_CTX_DTOR sis_final_context
+
 #endif
diff --git a/linux/sis_drv.c b/linux/sis_drv.c
index 3dd83fd7..2d9612f5 100644
--- a/linux/sis_drv.c
+++ b/linux/sis_drv.c
@@ -40,12 +40,12 @@
 #define DRIVER_PATCHLEVEL  0
 
 #define DRIVER_IOCTLS \
-        [DRM_IOCTL_NR(SIS_IOCTL_FB_ALLOC)]   = { sis_fb_alloc,	  1, 1 }, \
-        [DRM_IOCTL_NR(SIS_IOCTL_FB_FREE)]    = { sis_fb_free,	  1, 1 }, \
+        [DRM_IOCTL_NR(SIS_IOCTL_FB_ALLOC)]   = { sis_fb_alloc,	  1, 0 }, \
+        [DRM_IOCTL_NR(SIS_IOCTL_FB_FREE)]    = { sis_fb_free,	  1, 0 }, \
         /* AGP Memory Management */					  \
-        [DRM_IOCTL_NR(SIS_IOCTL_AGP_INIT)]   = { sisp_agp_init,	  1, 1 }, \
-        [DRM_IOCTL_NR(SIS_IOCTL_AGP_ALLOC)]  = { sisp_agp_alloc,  1, 1 }, \
-        [DRM_IOCTL_NR(SIS_IOCTL_AGP_FREE)]   = { sisp_agp_free,	  1, 1 }
+        [DRM_IOCTL_NR(SIS_IOCTL_AGP_INIT)]   = { sisp_agp_init,	  1, 0 }, \
+        [DRM_IOCTL_NR(SIS_IOCTL_AGP_ALLOC)]  = { sisp_agp_alloc,  1, 0 }, \
+        [DRM_IOCTL_NR(SIS_IOCTL_AGP_FREE)]   = { sisp_agp_free,	  1, 0 }
 #if 0 /* these don't appear to be defined */
 	/* SIS Stereo */						 
 	[DRM_IOCTL_NR(DRM_IOCTL_CONTROL)]    = { sis_control,	  1, 1 }, 
diff --git a/linux/sis_ds.c b/linux/sis_ds.c
index 6143ad83..95880a48 100644
--- a/linux/sis_ds.c
+++ b/linux/sis_ds.c
@@ -33,7 +33,7 @@
 #include <linux/delay.h>
 #include <linux/errno.h>
 #include <linux/kernel.h>
-#include <linux/malloc.h>
+#include <linux/slab.h>
 #include <linux/poll.h>
 #include <asm/io.h>
 #include <linux/pci.h>
diff --git a/linux/sis_mm.c b/linux/sis_mm.c
index 2c2e0d95..81832769 100644
--- a/linux/sis_mm.c
+++ b/linux/sis_mm.c
@@ -72,7 +72,7 @@ static int del_alloc_set(int context, int type, unsigned int val)
 }
 
 /* fb management via fb device */ 
-#if 0
+#if 1
 int sis_fb_alloc(struct inode *inode, struct file *filp, unsigned int cmd,
 		  unsigned long arg)
 {
@@ -90,7 +90,7 @@ int sis_fb_alloc(struct inode *inode, struct file *filp, unsigned int cmd,
     fb.offset = req.offset;
     fb.free = req.offset;
     if(!add_alloc_set(fb.context, VIDEO_TYPE, fb.free)){
-      DRM_DEBUG("adding to allocation set fails");
+      DRM_DEBUG("adding to allocation set fails\n");
       sis_free(req.offset);
       retval = -1;
     }
@@ -185,7 +185,7 @@ int sisp_agp_alloc(struct inode *inode, struct file *filp, unsigned int cmd,
     agp.offset = block->ofs;
     agp.free = (unsigned int)block;
     if(!add_alloc_set(agp.context, AGP_TYPE, agp.free)){
-      DRM_DEBUG("adding to allocation set fails");
+      DRM_DEBUG("adding to allocation set fails\n");
       mmFreeMem((PMemBlock)agp.free);
       retval = -1;
     }
@@ -279,9 +279,7 @@ int sis_final_context(int context)
 	  retval = setFirst(set, &item);
 	  while(retval){
    	    DRM_DEBUG("free video memory 0x%x\n", item);
-#if 0
             sis_free(item);
-#endif
 	    retval = setNext(set, &item);
 	  }
 	  setDestroy(set);
diff --git a/shared-core/drm.h b/shared-core/drm.h
index ac9f407a..0db586fc 100644
--- a/shared-core/drm.h
+++ b/shared-core/drm.h
@@ -104,9 +104,8 @@ typedef struct drm_tex_region {
 #include "i810_drm.h"
 #include "r128_drm.h"
 #include "radeon_drm.h"
-#ifdef CONFIG_DRM_SIS
 #include "sis_drm.h"
-#endif
+#include "i830_drm.h"
 
 typedef struct drm_version {
 	int    version_major;	  /* Major version			    */
@@ -449,6 +448,12 @@ typedef struct drm_scatter_gather {
 #define DRM_IOCTL_I810_SWAP		DRM_IO(  0x46)
 #define DRM_IOCTL_I810_COPY		DRM_IOW( 0x47, drm_i810_copy_t)
 #define DRM_IOCTL_I810_DOCOPY		DRM_IO(  0x48)
+#define DRM_IOCTL_I810_OV0INFO		DRM_IOR( 0x49, drm_i810_overlay_t)
+#define DRM_IOCTL_I810_FSTATUS		DRM_IO ( 0x4a)
+#define DRM_IOCTL_I810_OV0FLIP		DRM_IO ( 0x4b)
+#define DRM_IOCTL_I810_MC		DRM_IOW( 0x4c, drm_i810_mc_t)
+#define DRM_IOCTL_I810_RSTATUS		DRM_IO ( 0x4d )
+
 
 /* Rage 128 specific ioctls */
 #define DRM_IOCTL_R128_INIT		DRM_IOW( 0x40, drm_r128_init_t)
@@ -483,7 +488,6 @@ typedef struct drm_scatter_gather {
 #define DRM_IOCTL_RADEON_INDIRECT	DRM_IOWR(0x4d, drm_radeon_indirect_t)
 #define DRM_IOCTL_RADEON_TEXTURE	DRM_IOWR(0x4e, drm_radeon_texture_t)
 
-#ifdef CONFIG_DRM_SIS
 /* SiS specific ioctls */
 #define SIS_IOCTL_FB_ALLOC		DRM_IOWR(0x44, drm_sis_mem_t)
 #define SIS_IOCTL_FB_FREE		DRM_IOW( 0x45, drm_sis_mem_t)
@@ -493,6 +497,16 @@ typedef struct drm_scatter_gather {
 #define SIS_IOCTL_FLIP			DRM_IOW( 0x48, drm_sis_flip_t)
 #define SIS_IOCTL_FLIP_INIT		DRM_IO(  0x49)
 #define SIS_IOCTL_FLIP_FINAL		DRM_IO(  0x50)
-#endif
+
+/* I830 specific ioctls */
+#define DRM_IOCTL_I830_INIT		DRM_IOW( 0x40, drm_i830_init_t)
+#define DRM_IOCTL_I830_VERTEX		DRM_IOW( 0x41, drm_i830_vertex_t)
+#define DRM_IOCTL_I830_CLEAR		DRM_IOW( 0x42, drm_i830_clear_t)
+#define DRM_IOCTL_I830_FLUSH		DRM_IO ( 0x43)
+#define DRM_IOCTL_I830_GETAGE		DRM_IO ( 0x44)
+#define DRM_IOCTL_I830_GETBUF		DRM_IOWR(0x45, drm_i830_dma_t)
+#define DRM_IOCTL_I830_SWAP		DRM_IO ( 0x46)
+#define DRM_IOCTL_I830_COPY		DRM_IOW( 0x47, drm_i830_copy_t)
+#define DRM_IOCTL_I830_DOCOPY		DRM_IO ( 0x48)
 
 #endif
diff --git a/shared/drm.h b/shared/drm.h
index ac9f407a..0db586fc 100644
--- a/shared/drm.h
+++ b/shared/drm.h
@@ -104,9 +104,8 @@ typedef struct drm_tex_region {
 #include "i810_drm.h"
 #include "r128_drm.h"
 #include "radeon_drm.h"
-#ifdef CONFIG_DRM_SIS
 #include "sis_drm.h"
-#endif
+#include "i830_drm.h"
 
 typedef struct drm_version {
 	int    version_major;	  /* Major version			    */
@@ -449,6 +448,12 @@ typedef struct drm_scatter_gather {
 #define DRM_IOCTL_I810_SWAP		DRM_IO(  0x46)
 #define DRM_IOCTL_I810_COPY		DRM_IOW( 0x47, drm_i810_copy_t)
 #define DRM_IOCTL_I810_DOCOPY		DRM_IO(  0x48)
+#define DRM_IOCTL_I810_OV0INFO		DRM_IOR( 0x49, drm_i810_overlay_t)
+#define DRM_IOCTL_I810_FSTATUS		DRM_IO ( 0x4a)
+#define DRM_IOCTL_I810_OV0FLIP		DRM_IO ( 0x4b)
+#define DRM_IOCTL_I810_MC		DRM_IOW( 0x4c, drm_i810_mc_t)
+#define DRM_IOCTL_I810_RSTATUS		DRM_IO ( 0x4d )
+
 
 /* Rage 128 specific ioctls */
 #define DRM_IOCTL_R128_INIT		DRM_IOW( 0x40, drm_r128_init_t)
@@ -483,7 +488,6 @@ typedef struct drm_scatter_gather {
 #define DRM_IOCTL_RADEON_INDIRECT	DRM_IOWR(0x4d, drm_radeon_indirect_t)
 #define DRM_IOCTL_RADEON_TEXTURE	DRM_IOWR(0x4e, drm_radeon_texture_t)
 
-#ifdef CONFIG_DRM_SIS
 /* SiS specific ioctls */
 #define SIS_IOCTL_FB_ALLOC		DRM_IOWR(0x44, drm_sis_mem_t)
 #define SIS_IOCTL_FB_FREE		DRM_IOW( 0x45, drm_sis_mem_t)
@@ -493,6 +497,16 @@ typedef struct drm_scatter_gather {
 #define SIS_IOCTL_FLIP			DRM_IOW( 0x48, drm_sis_flip_t)
 #define SIS_IOCTL_FLIP_INIT		DRM_IO(  0x49)
 #define SIS_IOCTL_FLIP_FINAL		DRM_IO(  0x50)
-#endif
+
+/* I830 specific ioctls */
+#define DRM_IOCTL_I830_INIT		DRM_IOW( 0x40, drm_i830_init_t)
+#define DRM_IOCTL_I830_VERTEX		DRM_IOW( 0x41, drm_i830_vertex_t)
+#define DRM_IOCTL_I830_CLEAR		DRM_IOW( 0x42, drm_i830_clear_t)
+#define DRM_IOCTL_I830_FLUSH		DRM_IO ( 0x43)
+#define DRM_IOCTL_I830_GETAGE		DRM_IO ( 0x44)
+#define DRM_IOCTL_I830_GETBUF		DRM_IOWR(0x45, drm_i830_dma_t)
+#define DRM_IOCTL_I830_SWAP		DRM_IO ( 0x46)
+#define DRM_IOCTL_I830_COPY		DRM_IOW( 0x47, drm_i830_copy_t)
+#define DRM_IOCTL_I830_DOCOPY		DRM_IO ( 0x48)
 
 #endif