add the savage kernel driver (doesn't build yet)

15 files changed, 1267 insertions, 4 deletions

diff --git a/libdrm/xf86drmCompat.c b/libdrm/xf86drmCompat.c
index 6f938474..a30eacfc 100644
--- a/libdrm/xf86drmCompat.c
+++ b/libdrm/xf86drmCompat.c
@@ -26,7 +26,7 @@
  *   Jens Owen <jens@tungstengraphics.com>
  *
  */
-/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/xf86drmCompat.c,v 1.1 2002/10/30 12:52:33 alanh Exp $ */
+/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/xf86drm.c,v 1.4 2001/08/27 17:40:59 dawes Exp $ */
 
 #ifdef XFree86Server
 # include "xf86.h"
diff --git a/linux-core/Makefile.kernel b/linux-core/Makefile.kernel
index 5f79e430..e2d0a3af 100644
--- a/linux-core/Makefile.kernel
+++ b/linux-core/Makefile.kernel
@@ -7,6 +7,7 @@
 # $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/Makefile.kernel,v 1.17 2003/04/12 17:18:17 dawes Exp $
 #
 
+savage-objs := savage_drv.o savage_dma.o savage_state.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 r128_irq.o
@@ -30,12 +31,13 @@ endif
 
 ifeq ($(BELOW25),y)
 O_TARGET	:= drm.o
-list-multi	:= gamma.o tdfx.o r128.o mga.o i810.o i830.o ffb.o radeon.o
+list-multi	:= savage.o gamma.o tdfx.o r128.o mga.o i810.o i830.o ffb.o radeon.o
 obj-m		:=
 obj-n		:=
 obj-		:=
 endif
 
+obj-$(CONFIG_DRM_SAVAGE) += savage.o
 obj-$(CONFIG_DRM_GAMMA) += gamma.o
 obj-$(CONFIG_DRM_TDFX)	+= tdfx.o
 obj-$(CONFIG_DRM_R128)	+= r128.o
@@ -51,6 +53,9 @@ include $(TOPDIR)/Rules.make
 endif
 
 ifeq ($(BELOW25),y)
+savage.o: $(savage-objs) $(lib)
+	$(LD) -r -o $@ $(savage-objs) $(lib)
+
 gamma.o: $(gamma-objs) $(lib)
 	$(LD) -r -o $@ $(gamma-objs) $(lib)
 
diff --git a/linux-core/savage.h b/linux-core/savage.h
new file mode 100644
index 00000000..fb828ce6
--- /dev/null
+++ b/linux-core/savage.h
@@ -0,0 +1,39 @@
+/*
+ * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
+ * Copyright 2001-2003 S3 Graphics, Inc. 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, sub license,
+ * 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 NON-INFRINGEMENT. IN NO EVENT SHALL
+ * VIA, S3 GRAPHICS, 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.
+ */
+
+#ifndef __SAVAGE_H__
+#define __SAVAGE_H__
+
+/* This remains constant for all DRM template files.
+ */
+#define DRM(x) savage_##x
+
+/* General customization:
+ */
+#define __HAVE_AGP		1
+#define __MUST_HAVE_AGP		1
+#define __HAVE_MTRR		1
+#define __HAVE_CTX_BITMAP	1
+
+#endif
diff --git a/linux-core/savage_dma.c b/linux-core/savage_dma.c
new file mode 100644
index 00000000..87f8bbba
--- /dev/null
+++ b/linux-core/savage_dma.c
@@ -0,0 +1,38 @@
+/*
+ * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
+ * Copyright 2001-2003 S3 Graphics, Inc. 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, sub license,
+ * 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 NON-INFRINGEMENT. IN NO EVENT SHALL
+ * VIA, S3 GRAPHICS, 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.
+ */
+
+
+/*=========================================================*/
+#define __NO_VERSION__
+#include "savage.h"
+#include "drmP.h"
+#include "savage_drv.h"
+
+#include <linux/interrupt.h>	/* For task queue support */
+#include <linux/delay.h>
+
+#define SAVAGE_DEFAULT_USEC_TIMEOUT	10000
+#define SAVAGE_FREELIST_DEBUG		0
+
+
diff --git a/linux-core/savage_drm.h b/linux-core/savage_drm.h
new file mode 100644
index 00000000..f7d4f404
--- /dev/null
+++ b/linux-core/savage_drm.h
@@ -0,0 +1,238 @@
+/*
+ * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
+ * Copyright 2001-2003 S3 Graphics, Inc. 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, sub license,
+ * 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 NON-INFRINGEMENT. IN NO EVENT SHALL
+ * VIA, S3 GRAPHICS, 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.
+ */
+
+#ifndef __SAVAGE_DRM_H__
+#define __SAVAGE_DRM_H__
+
+#ifndef __SAVAGE_SAREA_DEFINES__
+#define __SAVAGE_SAREA_DEFINES__
+
+#define DRM_SAVAGE_MEM_PAGE (1UL<<12)
+#define DRM_SAVAGE_MEM_WORK 32
+#define DRM_SAVAGE_MEM_LOCATION_PCI 1
+#define DRM_SAVAGE_MEM_LOCATION_AGP 2
+#define DRM_SAVAGE_DMA_AGP_SIZE (16*1024*1024)
+
+typedef struct drm_savage_alloc_cont_mem
+{
+   size_t size; /*size of buffer*/
+   unsigned long type; /*4k page or word*/
+   unsigned long alignment;
+   unsigned long location; /*agp or pci*/
+
+   unsigned long phyaddress;
+   unsigned long linear;
+} drm_savage_alloc_cont_mem_t;
+
+typedef struct drm_savage_get_physcis_address
+{
+   unsigned long v_address;
+   unsigned long p_address;
+}drm_savage_get_physcis_address_t;
+
+/*ioctl number*/
+#define DRM_IOCTL_SAVAGE_ALLOC_CONTINUOUS_MEM \
+	DRM_IOWR(0x40,drm_savage_alloc_cont_mem_t)
+#define DRM_IOCTL_SAVAGE_GET_PHYSICS_ADDRESS \
+	DRM_IOWR(0x41, drm_savage_get_physcis_address_t)
+#define DRM_IOCTL_SAVAGE_FREE_CONTINUOUS_MEM \
+	DRM_IOWR(0x42, drm_savage_alloc_cont_mem_t)
+
+#define SAVAGE_FRONT		0x1
+#define SAVAGE_BACK		0x2
+#define SAVAGE_DEPTH		0x4
+#define SAVAGE_STENCIL		0x8
+
+/* What needs to be changed for the current vertex dma buffer?
+ */
+#define SAVAGE_UPLOAD_CTX	0x1
+#define SAVAGE_UPLOAD_TEX0	0x2
+#define SAVAGE_UPLOAD_TEX1	0x4
+#define SAVAGE_UPLOAD_PIPE	0x8  /* <- seems should be removed, Jiayo Hsu */
+#define SAVAGE_UPLOAD_TEX0IMAGE	0x10 /* handled client-side */
+#define SAVAGE_UPLOAD_TEX1IMAGE	0x20 /* handled client-side */
+#define SAVAGE_UPLOAD_2D	0x40
+#define SAVAGE_WAIT_AGE		0x80 /* handled client-side */
+#define SAVAGE_UPLOAD_CLIPRECTS	0x100 /* handled client-side */
+/*frank:add Buffer state 2001/11/15*/
+#define SAVAGE_UPLOAD_BUFFERS 0x200
+/* original marked off in MGA drivers , Jiayo Hsu Oct.23,2001 */
+
+/* Keep these small for testing.
+ */
+#define SAVAGE_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.
+ *
+ * Clients may subdivide regions internally, but when sharing between
+ * clients, the region size is the minimum granularity.
+ */
+
+#define SAVAGE_CARD_HEAP		0
+#define SAVAGE_AGP_HEAP			1
+#define SAVAGE_NR_TEX_HEAPS		2
+#define SAVAGE_NR_TEX_REGIONS		16   /* num. of global texture manage list element*/
+#define SAVAGE_LOG_MIN_TEX_REGION_SIZE	16   /* each region 64K, Jiayo Hsu */
+
+#endif /* __SAVAGE_SAREA_DEFINES__ */
+
+/* drm_tex_region_t define in drm.h */
+
+typedef drm_tex_region_t drm_savage_tex_region_t;
+
+/* Setup registers for 2D, X server
+ */
+typedef struct {
+	unsigned int pitch;
+} drm_savage_server_regs_t;
+
+
+typedef struct _drm_savage_sarea {
+	/* The channel for communication of state information to the kernel
+	 * on firing a vertex dma buffer.
+	 */
+	unsigned int setup[28];    /* 3D context registers */
+   	drm_savage_server_regs_t server_state;
+ 
+   	unsigned int dirty;
+   	
+   	unsigned int vertsize;   /* vertext  size */
+
+	/* The current cliprects, or a subset thereof.
+	 */
+   	drm_clip_rect_t boxes[SAVAGE_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
+	 * exported_ fields and puts the cliprects into boxes, above.
+	 *
+	 * The client clears the exported_drawable field before
+	 * clobbering the boxes data.
+	 */
+        unsigned int req_drawable;	 /* the X drawable id */
+	unsigned int req_draw_buffer;	 /* SAVAGE_FRONT or SAVAGE_BACK */
+
+        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_y, exported_front_y, exported_h;
+   	drm_clip_rect_t exported_boxes[SAVAGE_NR_SAREA_CLIPRECTS];
+
+	/* Counters for aging textures and for client-side throttling.
+	 */
+	unsigned int status[4];
+
+
+	/* LRU lists for texture memory in agp space and on the card.
+	 */
+	drm_tex_region_t texList[SAVAGE_NR_TEX_HEAPS][SAVAGE_NR_TEX_REGIONS+1];
+	unsigned int texAge[SAVAGE_NR_TEX_HEAPS];
+
+	/* Mechanism to validate card state.
+	 */
+   	int ctxOwner;
+	unsigned long shadow_status[64];/*too big?*/
+
+	/*agp offset*/
+	unsigned long agp_offset;
+} drm_savage_sarea_t,*drm_savage_sarea_ptr;
+
+
+
+typedef struct drm_savage_init {
+
+   	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[SAVAGE_NR_TEX_HEAPS];
+   	unsigned int texture_size[SAVAGE_NR_TEX_HEAPS];
+
+	unsigned long fb_offset;
+	unsigned long mmio_offset;
+	unsigned long status_offset;
+} drm_savage_init_t;
+
+typedef struct drm_savage_fullscreen {
+	enum {
+		SAVAGE_INIT_FULLSCREEN    = 0x01,
+		SAVAGE_CLEANUP_FULLSCREEN = 0x02
+	} func;
+} drm_savage_fullscreen_t;
+
+typedef struct drm_savage_clear {
+	unsigned int flags;
+	unsigned int clear_color;
+	unsigned int clear_depth;
+	unsigned int color_mask;
+	unsigned int depth_mask;
+} drm_savage_clear_t;
+
+typedef struct drm_savage_vertex {
+   	int idx;			/* buffer to queue */
+	int used;			/* bytes in use */
+	int discard;			/* client finished with buffer?  */
+} drm_savage_vertex_t;
+
+typedef struct drm_savage_indices {
+   	int idx;			/* buffer to queue */
+	unsigned int start;
+	unsigned int end;
+	int discard;			/* client finished with buffer?  */
+} drm_savage_indices_t;
+
+typedef struct drm_savage_iload {
+	int idx;
+	unsigned int dstorg;
+	unsigned int length;
+} drm_savage_iload_t;
+
+typedef struct _drm_savage_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_savage_blit_t;
+
+#endif
diff --git a/linux-core/savage_drv.c b/linux-core/savage_drv.c
new file mode 100644
index 00000000..cea08beb
--- /dev/null
+++ b/linux-core/savage_drv.c
@@ -0,0 +1,270 @@
+/*
+ * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
+ * Copyright 2001-2003 S3 Graphics, Inc. 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, sub license,
+ * 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 NON-INFRINGEMENT. IN NO EVENT SHALL
+ * VIA, S3 GRAPHICS, 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.
+ */
+
+#include <linux/config.h>
+#include "savage.h"
+#include "drmP.h"
+#include "savage_drm.h"
+
+#define DRIVER_AUTHOR		"John Zhao, S3 Graphics Inc."
+
+#define DRIVER_NAME		"savage"
+#define DRIVER_DESC		"Savage4 Family"
+#define DRIVER_DATE		"20011023"
+
+#define DRIVER_MAJOR		1
+#define DRIVER_MINOR		0
+#define DRIVER_PATCHLEVEL	0
+
+/* Currently Savage4 not implement DMA */
+/* mark off by Jiayo Hsu, Oct. 23, 2001*/
+
+
+#define DRIVER_IOCTLS \
+	[DRM_IOCTL_NR(DRM_IOCTL_SAVAGE_ALLOC_CONTINUOUS_MEM)] \
+	= {savage_alloc_continuous_mem,1,0},\
+	[DRM_IOCTL_NR( DRM_IOCTL_SAVAGE_GET_PHYSICS_ADDRESS)] \
+	= {savage_get_physics_address,1,0},\
+        [DRM_IOCTL_NR(DRM_IOCTL_SAVAGE_FREE_CONTINUOUS_MEM)]  \
+        = {savage_free_cont_mem,1,0}
+
+int savage_alloc_continuous_mem(struct inode *inode, struct file *filp,
+		unsigned int cmd, unsigned long arg)
+{
+  drm_savage_alloc_cont_mem_t cont_mem;	
+  unsigned long size,addr;
+  void * ret;
+  int i;
+  mem_map_t *p;
+  pgprot_t flags;
+
+  /* add to list */  
+  drm_file_t *priv = filp->private_data;
+  drm_device_t *dev = priv->dev;
+  drm_map_t *map;
+  drm_map_list_t *list;
+
+  if (copy_from_user(&cont_mem,(drm_savage_alloc_cont_mem_t *)arg,sizeof(cont_mem)))
+    return -EFAULT;
+ 
+  map = DRM(alloc)( sizeof(*map), DRM_MEM_MAPS );
+  if ( !map )
+    return -ENOMEM;
+  
+  /*check the parameters*/
+  if (cont_mem.size <= 0 )
+    return -EINVAL;
+  
+  size = cont_mem.type * cont_mem.size;
+  printk("[drm]JTLIsize = %d\n",size);
+  
+  ret = (void *)__get_free_pages(GFP_KERNEL, get_order(size));
+  if (ret == NULL)
+    {
+      printk("Kalloc error\n");
+      return 0;
+    }
+  
+  /*set the reserverd flag so that the remap_page_range can map these page*/
+  for(i=0,p=virt_to_page(ret);i< size /PAGE_SIZE; i++,p++)
+    SetPageReserved(p);
+  
+  cont_mem.phyaddress = virt_to_bus(ret);
+  cont_mem.location = DRM_SAVAGE_MEM_LOCATION_PCI; /* pci only at present*/
+  
+  
+  /*Map the memory to user space*/
+  down_write(&current->mm->mmap_sem);
+  addr=do_mmap(NULL,0,size,PROT_READ|PROT_WRITE,MAP_PRIVATE,cont_mem.phyaddress);
+  if (addr<=0)
+    return -EFAULT;
+  pgprot_val(flags)=_PAGE_PRESENT | _PAGE_RW |_PAGE_USER ;
+  if (remap_page_range(addr,cont_mem.phyaddress,size,flags))
+    return -EFAULT;
+  up_write(&current->mm->mmap_sem);
+  
+  for(i=0,p=virt_to_page(ret);i< size /PAGE_SIZE; i++,p++)
+    ClearPageReserved(p);
+  
+  cont_mem.linear = addr;
+  
+  /*map list*/
+  map->handle =  ret; /* to distinguish with other*/
+  map->offset = cont_mem.phyaddress;
+  map->size = size;
+  map->mtrr=-1;
+  /*map-flags,type??*/
+  
+  list = DRM(alloc)(sizeof(*list), DRM_MEM_MAPS);
+  if(!list) {
+    DRM(free)(map, sizeof(*map), DRM_MEM_MAPS);
+    return -EINVAL;
+  }
+  memset(list, 0, sizeof(*list));
+  list->map = map;
+  
+  down(&dev->struct_sem);
+  list_add(&list->head, &dev->maplist->head);
+  up(&dev->struct_sem);
+  
+  if (copy_to_user((drm_savage_alloc_cont_mem_t *)arg,&cont_mem,sizeof(cont_mem)))
+    return -EFAULT;
+
+  for(i=0,p=virt_to_page(ret);i< size /PAGE_SIZE; i++,p++)
+    atomic_set(&p->count,1);
+
+  return 1;/*success*/  
+}
+
+int savage_get_physics_address(struct inode *inode, struct file *filp,
+			       unsigned int cmd, unsigned long arg)
+{
+  
+  drm_savage_get_physcis_address_t req;
+  unsigned long buf;
+  pgd_t *pgd;
+  pmd_t *pmd;
+  pte_t *pte;
+  struct mm_struct *mm;
+  
+  if (copy_from_user(&req,(drm_savage_get_physcis_address_t *)arg,sizeof(req)))
+    return -EFAULT;
+  buf = req.v_address;
+  
+  /*What kind of virtual address ?*/
+  if (buf >= (unsigned long)high_memory)
+    mm = &init_mm;
+  else
+    mm = current->mm;
+  
+#ifdef LINUX_24
+  spin_lock(&mm->page_table_lock);
+#endif
+  
+  pgd=pgd_offset(mm,buf);
+  pmd=pmd_offset(pgd,buf);
+  pte=pte_offset(pmd,buf);
+  
+  if (!pte_present(*pte))
+    return -EFAULT;
+  
+  req.p_address = ((pte_val(*pte) &PAGE_MASK) |( buf&(PAGE_SIZE-1)));
+  
+  if (copy_to_user((drm_savage_get_physcis_address_t  *)arg,&req,sizeof(req)))
+    return -EFAULT;
+  return 1;
+}
+
+/*free the continuous memory*/
+int savage_free_cont_mem(struct inode *inode, struct file *filp,
+			       unsigned int cmd, unsigned long arg)
+{
+  drm_savage_alloc_cont_mem_t cont_mem;	
+  unsigned long size;
+
+  /*map  list */  
+  drm_file_t *priv = filp->private_data;
+  drm_device_t *dev = priv->dev;
+  drm_map_t *map;
+  struct list_head *list;
+  drm_map_list_t *r_list = NULL;
+
+  if (copy_from_user(&cont_mem,(drm_savage_alloc_cont_mem_t *)arg,sizeof(cont_mem)))
+    return -EFAULT;
+  size = cont_mem.type * cont_mem.size;
+  if (size <= 0)
+    return -EINVAL;
+
+  /* find the map in the list */
+  list_for_each(list,&dev->maplist->head)
+    {
+      r_list = (drm_map_list_t *) list;
+      
+      if(r_list->map &&
+	 r_list->map->offset == cont_mem.phyaddress )
+	 break;   
+    }
+  /*find none*/
+  if(list == (&dev->maplist->head)) {
+    up(&dev->struct_sem);
+    return -EINVAL;
+  }
+  map = r_list->map;
+  list_del(list);
+  DRM(free)(list, sizeof(*list), DRM_MEM_MAPS);
+
+  /*unmap the user space */
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,18))
+  if ( do_munmap(current->mm,cont_mem.linear,size,1)!=0)
+#else
+  if ( do_munmap(current->mm,cont_mem.linear,size)!=0)
+#endif
+    return -EFAULT;
+  /*free the page*/
+  free_pages((unsigned long)map->handle, get_order(size));
+
+  return 1;
+}  
+
+
+#if 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
+
+#endif /* end #if 0 */
+
+#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_proc.h"
+#include "drm_vm.h"
+#include "drm_stub.h"
+
+
+
diff --git a/linux-core/savage_drv.h b/linux-core/savage_drv.h
new file mode 100644
index 00000000..4cb59fea
--- /dev/null
+++ b/linux-core/savage_drv.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
+ * Copyright 2001-2003 S3 Graphics, Inc. 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, sub license,
+ * 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 NON-INFRINGEMENT. IN NO EVENT SHALL
+ * VIA, S3 GRAPHICS, 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.
+ */
+#ifndef __SAVAGE_DRV_H__
+#define __SAVAGE_DRV_H__
+
+#endif /* end #ifndef __SAVAGE_DRV_ */
diff --git a/linux/Makefile.kernel b/linux/Makefile.kernel
index 5f79e430..e2d0a3af 100644
--- a/linux/Makefile.kernel
+++ b/linux/Makefile.kernel
@@ -7,6 +7,7 @@
 # $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/Makefile.kernel,v 1.17 2003/04/12 17:18:17 dawes Exp $
 #
 
+savage-objs := savage_drv.o savage_dma.o savage_state.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 r128_irq.o
@@ -30,12 +31,13 @@ endif
 
 ifeq ($(BELOW25),y)
 O_TARGET	:= drm.o
-list-multi	:= gamma.o tdfx.o r128.o mga.o i810.o i830.o ffb.o radeon.o
+list-multi	:= savage.o gamma.o tdfx.o r128.o mga.o i810.o i830.o ffb.o radeon.o
 obj-m		:=
 obj-n		:=
 obj-		:=
 endif
 
+obj-$(CONFIG_DRM_SAVAGE) += savage.o
 obj-$(CONFIG_DRM_GAMMA) += gamma.o
 obj-$(CONFIG_DRM_TDFX)	+= tdfx.o
 obj-$(CONFIG_DRM_R128)	+= r128.o
@@ -51,6 +53,9 @@ include $(TOPDIR)/Rules.make
 endif
 
 ifeq ($(BELOW25),y)
+savage.o: $(savage-objs) $(lib)
+	$(LD) -r -o $@ $(savage-objs) $(lib)
+
 gamma.o: $(gamma-objs) $(lib)
 	$(LD) -r -o $@ $(gamma-objs) $(lib)
 
diff --git a/linux/Makefile.linux b/linux/Makefile.linux
index c3451399..066ff6dc 100644
--- a/linux/Makefile.linux
+++ b/linux/Makefile.linux
@@ -44,7 +44,7 @@ endif
 MACHINE := $(shell uname -m)
 
 # Modules for all architectures
-MODULE_LIST := gamma.o tdfx.o r128.o radeon.o mga.o #sis.o
+MODULE_LIST := gamma.o tdfx.o r128.o radeon.o mga.o savage.o #sis.o
 
 # Modules only for ix86 architectures
 ifneq (,$(findstring 86,$(MACHINE)))
@@ -64,6 +64,7 @@ DRMTEMPLATES =  drm_auth.h drm_bufs.h drm_context.h drm_dma.h drm_drawable.h \
 DRMSHARED =     drm_sarea.h
 DRMHEADERS =    drm.h drmP.h $(DRMSHARED)
 
+SAVAGEHEADERS = savage_drm.h savage_drv.h savage.h $(DRMHEADERS) $(DRMTEMPLATES)
 GAMMAHEADERS =  gamma.h gamma_context.h gamma_drm.h gamma_drv.h gamma_lists.h \
                 gamma_old_dma.h gamma_lock.h $(DRMHEADERS) $(DRMTEMPLATES)
 TDFXHEADERS =   tdfx.h $(DRMHEADERS) $(DRMTEMPLATES)
@@ -295,6 +296,7 @@ endif
 
 
 # Start with all modules turned off.
+CONFIG_DRM_SAVAGE := n
 CONFIG_DRM_GAMMA := n
 CONFIG_DRM_TDFX := n
 CONFIG_DRM_MGA := n
@@ -307,6 +309,9 @@ CONFIG_DRM_FFB := n
 
 # Enable module builds for the modules requested/supported.
 
+ifneq (,$(findstring savage,$(DRM_MODULES)))
+CONFIG_DRM_SAVAGE := m
+endif
 ifneq (,$(findstring gamma,$(DRM_MODULES)))
 CONFIG_DRM_GAMMA := m
 endif
@@ -340,6 +345,7 @@ endif
 include $(DRMSRCDIR)/Makefile.kernel
 
 # Depencencies
+$(savage-objs):	$(SAVAGEHEADERS)
 $(gamma-objs):	$(GAMMAHEADERS)
 $(tdfx-objs):	$(TDFXHEADERS)
 $(r128-objs):	$(R128HEADERS)
diff --git a/linux/savage.h b/linux/savage.h
new file mode 100644
index 00000000..fb828ce6
--- /dev/null
+++ b/linux/savage.h
@@ -0,0 +1,39 @@
+/*
+ * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
+ * Copyright 2001-2003 S3 Graphics, Inc. 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, sub license,
+ * 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 NON-INFRINGEMENT. IN NO EVENT SHALL
+ * VIA, S3 GRAPHICS, 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.
+ */
+
+#ifndef __SAVAGE_H__
+#define __SAVAGE_H__
+
+/* This remains constant for all DRM template files.
+ */
+#define DRM(x) savage_##x
+
+/* General customization:
+ */
+#define __HAVE_AGP		1
+#define __MUST_HAVE_AGP		1
+#define __HAVE_MTRR		1
+#define __HAVE_CTX_BITMAP	1
+
+#endif
diff --git a/linux/savage_dma.c b/linux/savage_dma.c
new file mode 100644
index 00000000..87f8bbba
--- /dev/null
+++ b/linux/savage_dma.c
@@ -0,0 +1,38 @@
+/*
+ * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
+ * Copyright 2001-2003 S3 Graphics, Inc. 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, sub license,
+ * 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 NON-INFRINGEMENT. IN NO EVENT SHALL
+ * VIA, S3 GRAPHICS, 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.
+ */
+
+
+/*=========================================================*/
+#define __NO_VERSION__
+#include "savage.h"
+#include "drmP.h"
+#include "savage_drv.h"
+
+#include <linux/interrupt.h>	/* For task queue support */
+#include <linux/delay.h>
+
+#define SAVAGE_DEFAULT_USEC_TIMEOUT	10000
+#define SAVAGE_FREELIST_DEBUG		0
+
+
diff --git a/linux/savage_drm.h b/linux/savage_drm.h
new file mode 100644
index 00000000..f7d4f404
--- /dev/null
+++ b/linux/savage_drm.h
@@ -0,0 +1,238 @@
+/*
+ * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
+ * Copyright 2001-2003 S3 Graphics, Inc. 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, sub license,
+ * 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 NON-INFRINGEMENT. IN NO EVENT SHALL
+ * VIA, S3 GRAPHICS, 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.
+ */
+
+#ifndef __SAVAGE_DRM_H__
+#define __SAVAGE_DRM_H__
+
+#ifndef __SAVAGE_SAREA_DEFINES__
+#define __SAVAGE_SAREA_DEFINES__
+
+#define DRM_SAVAGE_MEM_PAGE (1UL<<12)
+#define DRM_SAVAGE_MEM_WORK 32
+#define DRM_SAVAGE_MEM_LOCATION_PCI 1
+#define DRM_SAVAGE_MEM_LOCATION_AGP 2
+#define DRM_SAVAGE_DMA_AGP_SIZE (16*1024*1024)
+
+typedef struct drm_savage_alloc_cont_mem
+{
+   size_t size; /*size of buffer*/
+   unsigned long type; /*4k page or word*/
+   unsigned long alignment;
+   unsigned long location; /*agp or pci*/
+
+   unsigned long phyaddress;
+   unsigned long linear;
+} drm_savage_alloc_cont_mem_t;
+
+typedef struct drm_savage_get_physcis_address
+{
+   unsigned long v_address;
+   unsigned long p_address;
+}drm_savage_get_physcis_address_t;
+
+/*ioctl number*/
+#define DRM_IOCTL_SAVAGE_ALLOC_CONTINUOUS_MEM \
+	DRM_IOWR(0x40,drm_savage_alloc_cont_mem_t)
+#define DRM_IOCTL_SAVAGE_GET_PHYSICS_ADDRESS \
+	DRM_IOWR(0x41, drm_savage_get_physcis_address_t)
+#define DRM_IOCTL_SAVAGE_FREE_CONTINUOUS_MEM \
+	DRM_IOWR(0x42, drm_savage_alloc_cont_mem_t)
+
+#define SAVAGE_FRONT		0x1
+#define SAVAGE_BACK		0x2
+#define SAVAGE_DEPTH		0x4
+#define SAVAGE_STENCIL		0x8
+
+/* What needs to be changed for the current vertex dma buffer?
+ */
+#define SAVAGE_UPLOAD_CTX	0x1
+#define SAVAGE_UPLOAD_TEX0	0x2
+#define SAVAGE_UPLOAD_TEX1	0x4
+#define SAVAGE_UPLOAD_PIPE	0x8  /* <- seems should be removed, Jiayo Hsu */
+#define SAVAGE_UPLOAD_TEX0IMAGE	0x10 /* handled client-side */
+#define SAVAGE_UPLOAD_TEX1IMAGE	0x20 /* handled client-side */
+#define SAVAGE_UPLOAD_2D	0x40
+#define SAVAGE_WAIT_AGE		0x80 /* handled client-side */
+#define SAVAGE_UPLOAD_CLIPRECTS	0x100 /* handled client-side */
+/*frank:add Buffer state 2001/11/15*/
+#define SAVAGE_UPLOAD_BUFFERS 0x200
+/* original marked off in MGA drivers , Jiayo Hsu Oct.23,2001 */
+
+/* Keep these small for testing.
+ */
+#define SAVAGE_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.
+ *
+ * Clients may subdivide regions internally, but when sharing between
+ * clients, the region size is the minimum granularity.
+ */
+
+#define SAVAGE_CARD_HEAP		0
+#define SAVAGE_AGP_HEAP			1
+#define SAVAGE_NR_TEX_HEAPS		2
+#define SAVAGE_NR_TEX_REGIONS		16   /* num. of global texture manage list element*/
+#define SAVAGE_LOG_MIN_TEX_REGION_SIZE	16   /* each region 64K, Jiayo Hsu */
+
+#endif /* __SAVAGE_SAREA_DEFINES__ */
+
+/* drm_tex_region_t define in drm.h */
+
+typedef drm_tex_region_t drm_savage_tex_region_t;
+
+/* Setup registers for 2D, X server
+ */
+typedef struct {
+	unsigned int pitch;
+} drm_savage_server_regs_t;
+
+
+typedef struct _drm_savage_sarea {
+	/* The channel for communication of state information to the kernel
+	 * on firing a vertex dma buffer.
+	 */
+	unsigned int setup[28];    /* 3D context registers */
+   	drm_savage_server_regs_t server_state;
+ 
+   	unsigned int dirty;
+   	
+   	unsigned int vertsize;   /* vertext  size */
+
+	/* The current cliprects, or a subset thereof.
+	 */
+   	drm_clip_rect_t boxes[SAVAGE_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
+	 * exported_ fields and puts the cliprects into boxes, above.
+	 *
+	 * The client clears the exported_drawable field before
+	 * clobbering the boxes data.
+	 */
+        unsigned int req_drawable;	 /* the X drawable id */
+	unsigned int req_draw_buffer;	 /* SAVAGE_FRONT or SAVAGE_BACK */
+
+        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_y, exported_front_y, exported_h;
+   	drm_clip_rect_t exported_boxes[SAVAGE_NR_SAREA_CLIPRECTS];
+
+	/* Counters for aging textures and for client-side throttling.
+	 */
+	unsigned int status[4];
+
+
+	/* LRU lists for texture memory in agp space and on the card.
+	 */
+	drm_tex_region_t texList[SAVAGE_NR_TEX_HEAPS][SAVAGE_NR_TEX_REGIONS+1];
+	unsigned int texAge[SAVAGE_NR_TEX_HEAPS];
+
+	/* Mechanism to validate card state.
+	 */
+   	int ctxOwner;
+	unsigned long shadow_status[64];/*too big?*/
+
+	/*agp offset*/
+	unsigned long agp_offset;
+} drm_savage_sarea_t,*drm_savage_sarea_ptr;
+
+
+
+typedef struct drm_savage_init {
+
+   	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[SAVAGE_NR_TEX_HEAPS];
+   	unsigned int texture_size[SAVAGE_NR_TEX_HEAPS];
+
+	unsigned long fb_offset;
+	unsigned long mmio_offset;
+	unsigned long status_offset;
+} drm_savage_init_t;
+
+typedef struct drm_savage_fullscreen {
+	enum {
+		SAVAGE_INIT_FULLSCREEN    = 0x01,
+		SAVAGE_CLEANUP_FULLSCREEN = 0x02
+	} func;
+} drm_savage_fullscreen_t;
+
+typedef struct drm_savage_clear {
+	unsigned int flags;
+	unsigned int clear_color;
+	unsigned int clear_depth;
+	unsigned int color_mask;
+	unsigned int depth_mask;
+} drm_savage_clear_t;
+
+typedef struct drm_savage_vertex {
+   	int idx;			/* buffer to queue */
+	int used;			/* bytes in use */
+	int discard;			/* client finished with buffer?  */
+} drm_savage_vertex_t;
+
+typedef struct drm_savage_indices {
+   	int idx;			/* buffer to queue */
+	unsigned int start;
+	unsigned int end;
+	int discard;			/* client finished with buffer?  */
+} drm_savage_indices_t;
+
+typedef struct drm_savage_iload {
+	int idx;
+	unsigned int dstorg;
+	unsigned int length;
+} drm_savage_iload_t;
+
+typedef struct _drm_savage_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_savage_blit_t;
+
+#endif
diff --git a/linux/savage_drv.c b/linux/savage_drv.c
new file mode 100644
index 00000000..cea08beb
--- /dev/null
+++ b/linux/savage_drv.c
@@ -0,0 +1,270 @@
+/*
+ * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
+ * Copyright 2001-2003 S3 Graphics, Inc. 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, sub license,
+ * 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 NON-INFRINGEMENT. IN NO EVENT SHALL
+ * VIA, S3 GRAPHICS, 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.
+ */
+
+#include <linux/config.h>
+#include "savage.h"
+#include "drmP.h"
+#include "savage_drm.h"
+
+#define DRIVER_AUTHOR		"John Zhao, S3 Graphics Inc."
+
+#define DRIVER_NAME		"savage"
+#define DRIVER_DESC		"Savage4 Family"
+#define DRIVER_DATE		"20011023"
+
+#define DRIVER_MAJOR		1
+#define DRIVER_MINOR		0
+#define DRIVER_PATCHLEVEL	0
+
+/* Currently Savage4 not implement DMA */
+/* mark off by Jiayo Hsu, Oct. 23, 2001*/
+
+
+#define DRIVER_IOCTLS \
+	[DRM_IOCTL_NR(DRM_IOCTL_SAVAGE_ALLOC_CONTINUOUS_MEM)] \
+	= {savage_alloc_continuous_mem,1,0},\
+	[DRM_IOCTL_NR( DRM_IOCTL_SAVAGE_GET_PHYSICS_ADDRESS)] \
+	= {savage_get_physics_address,1,0},\
+        [DRM_IOCTL_NR(DRM_IOCTL_SAVAGE_FREE_CONTINUOUS_MEM)]  \
+        = {savage_free_cont_mem,1,0}
+
+int savage_alloc_continuous_mem(struct inode *inode, struct file *filp,
+		unsigned int cmd, unsigned long arg)
+{
+  drm_savage_alloc_cont_mem_t cont_mem;	
+  unsigned long size,addr;
+  void * ret;
+  int i;
+  mem_map_t *p;
+  pgprot_t flags;
+
+  /* add to list */  
+  drm_file_t *priv = filp->private_data;
+  drm_device_t *dev = priv->dev;
+  drm_map_t *map;
+  drm_map_list_t *list;
+
+  if (copy_from_user(&cont_mem,(drm_savage_alloc_cont_mem_t *)arg,sizeof(cont_mem)))
+    return -EFAULT;
+ 
+  map = DRM(alloc)( sizeof(*map), DRM_MEM_MAPS );
+  if ( !map )
+    return -ENOMEM;
+  
+  /*check the parameters*/
+  if (cont_mem.size <= 0 )
+    return -EINVAL;
+  
+  size = cont_mem.type * cont_mem.size;
+  printk("[drm]JTLIsize = %d\n",size);
+  
+  ret = (void *)__get_free_pages(GFP_KERNEL, get_order(size));
+  if (ret == NULL)
+    {
+      printk("Kalloc error\n");
+      return 0;
+    }
+  
+  /*set the reserverd flag so that the remap_page_range can map these page*/
+  for(i=0,p=virt_to_page(ret);i< size /PAGE_SIZE; i++,p++)
+    SetPageReserved(p);
+  
+  cont_mem.phyaddress = virt_to_bus(ret);
+  cont_mem.location = DRM_SAVAGE_MEM_LOCATION_PCI; /* pci only at present*/
+  
+  
+  /*Map the memory to user space*/
+  down_write(&current->mm->mmap_sem);
+  addr=do_mmap(NULL,0,size,PROT_READ|PROT_WRITE,MAP_PRIVATE,cont_mem.phyaddress);
+  if (addr<=0)
+    return -EFAULT;
+  pgprot_val(flags)=_PAGE_PRESENT | _PAGE_RW |_PAGE_USER ;
+  if (remap_page_range(addr,cont_mem.phyaddress,size,flags))
+    return -EFAULT;
+  up_write(&current->mm->mmap_sem);
+  
+  for(i=0,p=virt_to_page(ret);i< size /PAGE_SIZE; i++,p++)
+    ClearPageReserved(p);
+  
+  cont_mem.linear = addr;
+  
+  /*map list*/
+  map->handle =  ret; /* to distinguish with other*/
+  map->offset = cont_mem.phyaddress;
+  map->size = size;
+  map->mtrr=-1;
+  /*map-flags,type??*/
+  
+  list = DRM(alloc)(sizeof(*list), DRM_MEM_MAPS);
+  if(!list) {
+    DRM(free)(map, sizeof(*map), DRM_MEM_MAPS);
+    return -EINVAL;
+  }
+  memset(list, 0, sizeof(*list));
+  list->map = map;
+  
+  down(&dev->struct_sem);
+  list_add(&list->head, &dev->maplist->head);
+  up(&dev->struct_sem);
+  
+  if (copy_to_user((drm_savage_alloc_cont_mem_t *)arg,&cont_mem,sizeof(cont_mem)))
+    return -EFAULT;
+
+  for(i=0,p=virt_to_page(ret);i< size /PAGE_SIZE; i++,p++)
+    atomic_set(&p->count,1);
+
+  return 1;/*success*/  
+}
+
+int savage_get_physics_address(struct inode *inode, struct file *filp,
+			       unsigned int cmd, unsigned long arg)
+{
+  
+  drm_savage_get_physcis_address_t req;
+  unsigned long buf;
+  pgd_t *pgd;
+  pmd_t *pmd;
+  pte_t *pte;
+  struct mm_struct *mm;
+  
+  if (copy_from_user(&req,(drm_savage_get_physcis_address_t *)arg,sizeof(req)))
+    return -EFAULT;
+  buf = req.v_address;
+  
+  /*What kind of virtual address ?*/
+  if (buf >= (unsigned long)high_memory)
+    mm = &init_mm;
+  else
+    mm = current->mm;
+  
+#ifdef LINUX_24
+  spin_lock(&mm->page_table_lock);
+#endif
+  
+  pgd=pgd_offset(mm,buf);
+  pmd=pmd_offset(pgd,buf);
+  pte=pte_offset(pmd,buf);
+  
+  if (!pte_present(*pte))
+    return -EFAULT;
+  
+  req.p_address = ((pte_val(*pte) &PAGE_MASK) |( buf&(PAGE_SIZE-1)));
+  
+  if (copy_to_user((drm_savage_get_physcis_address_t  *)arg,&req,sizeof(req)))
+    return -EFAULT;
+  return 1;
+}
+
+/*free the continuous memory*/
+int savage_free_cont_mem(struct inode *inode, struct file *filp,
+			       unsigned int cmd, unsigned long arg)
+{
+  drm_savage_alloc_cont_mem_t cont_mem;	
+  unsigned long size;
+
+  /*map  list */  
+  drm_file_t *priv = filp->private_data;
+  drm_device_t *dev = priv->dev;
+  drm_map_t *map;
+  struct list_head *list;
+  drm_map_list_t *r_list = NULL;
+
+  if (copy_from_user(&cont_mem,(drm_savage_alloc_cont_mem_t *)arg,sizeof(cont_mem)))
+    return -EFAULT;
+  size = cont_mem.type * cont_mem.size;
+  if (size <= 0)
+    return -EINVAL;
+
+  /* find the map in the list */
+  list_for_each(list,&dev->maplist->head)
+    {
+      r_list = (drm_map_list_t *) list;
+      
+      if(r_list->map &&
+	 r_list->map->offset == cont_mem.phyaddress )
+	 break;   
+    }
+  /*find none*/
+  if(list == (&dev->maplist->head)) {
+    up(&dev->struct_sem);
+    return -EINVAL;
+  }
+  map = r_list->map;
+  list_del(list);
+  DRM(free)(list, sizeof(*list), DRM_MEM_MAPS);
+
+  /*unmap the user space */
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,18))
+  if ( do_munmap(current->mm,cont_mem.linear,size,1)!=0)
+#else
+  if ( do_munmap(current->mm,cont_mem.linear,size)!=0)
+#endif
+    return -EFAULT;
+  /*free the page*/
+  free_pages((unsigned long)map->handle, get_order(size));
+
+  return 1;
+}  
+
+
+#if 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
+
+#endif /* end #if 0 */
+
+#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_proc.h"
+#include "drm_vm.h"
+#include "drm_stub.h"
+
+
+
diff --git a/linux/savage_drv.h b/linux/savage_drv.h
new file mode 100644
index 00000000..4cb59fea
--- /dev/null
+++ b/linux/savage_drv.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
+ * Copyright 2001-2003 S3 Graphics, Inc. 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, sub license,
+ * 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 NON-INFRINGEMENT. IN NO EVENT SHALL
+ * VIA, S3 GRAPHICS, 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.
+ */
+#ifndef __SAVAGE_DRV_H__
+#define __SAVAGE_DRV_H__
+
+#endif /* end #ifndef __SAVAGE_DRV_ */
diff --git a/linux/savage_state.c b/linux/savage_state.c
new file mode 100644
index 00000000..a71d69d5
--- /dev/null
+++ b/linux/savage_state.c
@@ -0,0 +1,23 @@
+/*
+ * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
+ * Copyright 2001-2003 S3 Graphics, Inc. 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, sub license,
+ * 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 NON-INFRINGEMENT. IN NO EVENT SHALL
+ * VIA, S3 GRAPHICS, 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.
+ */