diff options
Diffstat (limited to 'bsd-core/drmP.h')
| -rw-r--r-- | bsd-core/drmP.h | 723 |
1 files changed, 310 insertions, 413 deletions
diff --git a/bsd-core/drmP.h b/bsd-core/drmP.h index 7a1159c78..ead40f86b 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 |