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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/**
Dave Airlieb5e89ed2005-09-25 14:28:13 +10002 * \file drmP.h
Linus Torvalds1da177e2005-04-16 15:20:36 -07003 * Private header for Direct Rendering Manager
Dave Airlieb5e89ed2005-09-25 14:28:13 +10004 *
Linus Torvalds1da177e2005-04-16 15:20:36 -07005 * \author Rickard E. (Rik) Faith <faith@valinux.com>
6 * \author Gareth Hughes <gareth@valinux.com>
7 */
8
9/*
10 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
11 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
12 * All rights reserved.
13 *
14 * Permission is hereby granted, free of charge, to any person obtaining a
15 * copy of this software and associated documentation files (the "Software"),
16 * to deal in the Software without restriction, including without limitation
17 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
18 * and/or sell copies of the Software, and to permit persons to whom the
19 * Software is furnished to do so, subject to the following conditions:
20 *
21 * The above copyright notice and this permission notice (including the next
22 * paragraph) shall be included in all copies or substantial portions of the
23 * Software.
24 *
25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
26 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
27 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
28 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
29 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
30 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
31 * OTHER DEALINGS IN THE SOFTWARE.
32 */
33
34#ifndef _DRM_P_H_
35#define _DRM_P_H_
36
37/* If you want the memory alloc debug functionality, change define below */
38/* #define DEBUG_MEMORY */
39
40#ifdef __KERNEL__
41#ifdef __alpha__
42/* add include of current.h so that "current" is defined
43 * before static inline funcs in wait.h. Doing this so we
44 * can build the DRM (part of PI DRI). 4/21/2000 S + B */
45#include <asm/current.h>
Dave Airlieb5e89ed2005-09-25 14:28:13 +100046#endif /* __alpha__ */
Linus Torvalds1da177e2005-04-16 15:20:36 -070047#include <linux/module.h>
48#include <linux/kernel.h>
49#include <linux/miscdevice.h>
50#include <linux/fs.h>
51#include <linux/proc_fs.h>
52#include <linux/init.h>
53#include <linux/file.h>
54#include <linux/pci.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070055#include <linux/jiffies.h>
56#include <linux/smp_lock.h> /* For (un)lock_kernel */
57#include <linux/mm.h>
58#include <linux/cdev.h>
Dave Airlie30e2fb12006-02-02 19:37:46 +110059#include <linux/mutex.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070060#if defined(__alpha__) || defined(__powerpc__)
Dave Airlieb5e89ed2005-09-25 14:28:13 +100061#include <asm/pgtable.h> /* For pte_wrprotect */
Linus Torvalds1da177e2005-04-16 15:20:36 -070062#endif
63#include <asm/io.h>
64#include <asm/mman.h>
65#include <asm/uaccess.h>
66#ifdef CONFIG_MTRR
67#include <asm/mtrr.h>
68#endif
69#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE)
70#include <linux/types.h>
71#include <linux/agp_backend.h>
72#endif
73#include <linux/workqueue.h>
74#include <linux/poll.h>
75#include <asm/pgalloc.h>
76#include "drm.h"
77
Dave Airlie62968142007-07-17 10:46:52 +100078#include <linux/idr.h>
79
Linus Torvalds1da177e2005-04-16 15:20:36 -070080#define __OS_HAS_AGP (defined(CONFIG_AGP) || (defined(CONFIG_AGP_MODULE) && defined(MODULE)))
81#define __OS_HAS_MTRR (defined(CONFIG_MTRR))
82
Eric Anholtc153f452007-09-03 12:06:45 +100083struct drm_file;
84struct drm_device;
85
Linus Torvalds1da177e2005-04-16 15:20:36 -070086#include "drm_os_linux.h"
Thomas Hellstrom3a1bd922006-08-07 21:30:28 +100087#include "drm_hashtab.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -070088
89/***********************************************************************/
90/** \name DRM template customization defaults */
91/*@{*/
92
93/* driver capabilities and requirements mask */
94#define DRIVER_USE_AGP 0x1
95#define DRIVER_REQUIRE_AGP 0x2
96#define DRIVER_USE_MTRR 0x4
97#define DRIVER_PCI_DMA 0x8
98#define DRIVER_SG 0x10
99#define DRIVER_HAVE_DMA 0x20
100#define DRIVER_HAVE_IRQ 0x40
101#define DRIVER_IRQ_SHARED 0x80
102#define DRIVER_IRQ_VBL 0x100
103#define DRIVER_DMA_QUEUE 0x200
Dave Airlieb84397d62005-07-10 14:46:12 +1000104#define DRIVER_FB_DMA 0x400
=?utf-8?q?Michel_D=C3=A4nzer?=776c9442006-10-24 22:24:38 +1000105#define DRIVER_IRQ_VBL2 0x800
Linus Torvalds1da177e2005-04-16 15:20:36 -0700106
107/***********************************************************************/
108/** \name Begin the DRM... */
109/*@{*/
110
111#define DRM_DEBUG_CODE 2 /**< Include debugging code if > 1, then
112 also include looping detection. */
113
Thomas Hellstrom8669cbc2006-08-07 22:22:10 +1000114#define DRM_MAGIC_HASH_ORDER 4 /**< Size of key hash table. Must be power of 2. */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700115#define DRM_KERNEL_CONTEXT 0 /**< Change drm_resctx if changed */
116#define DRM_RESERVED_CONTEXTS 1 /**< Change drm_resctx if changed */
117#define DRM_LOOPING_LIMIT 5000000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700118#define DRM_TIME_SLICE (HZ/20) /**< Time slice for GLXContexts */
119#define DRM_LOCK_SLICE 1 /**< Time slice for lock, in jiffies */
120
121#define DRM_FLAG_DEBUG 0x01
122
123#define DRM_MEM_DMA 0
124#define DRM_MEM_SAREA 1
125#define DRM_MEM_DRIVER 2
126#define DRM_MEM_MAGIC 3
127#define DRM_MEM_IOCTLS 4
128#define DRM_MEM_MAPS 5
129#define DRM_MEM_VMAS 6
130#define DRM_MEM_BUFS 7
131#define DRM_MEM_SEGS 8
132#define DRM_MEM_PAGES 9
133#define DRM_MEM_FILES 10
134#define DRM_MEM_QUEUES 11
135#define DRM_MEM_CMDS 12
136#define DRM_MEM_MAPPINGS 13
137#define DRM_MEM_BUFLISTS 14
138#define DRM_MEM_AGPLISTS 15
139#define DRM_MEM_TOTALAGP 16
140#define DRM_MEM_BOUNDAGP 17
141#define DRM_MEM_CTXBITMAP 18
142#define DRM_MEM_STUB 19
143#define DRM_MEM_SGLISTS 20
Thomas Hellstrom3a1bd922006-08-07 21:30:28 +1000144#define DRM_MEM_CTXLIST 21
145#define DRM_MEM_MM 22
146#define DRM_MEM_HASHTAB 23
Linus Torvalds1da177e2005-04-16 15:20:36 -0700147
148#define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8)
Thomas Hellstrom8d153f72006-08-07 22:36:47 +1000149#define DRM_MAP_HASH_OFFSET 0x10000000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700150
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000151/*@}*/
Linus Torvalds1da177e2005-04-16 15:20:36 -0700152
153/***********************************************************************/
Linus Torvalds1da177e2005-04-16 15:20:36 -0700154/** \name Macros to make printk easier */
155/*@{*/
156
157/**
158 * Error output.
159 *
160 * \param fmt printf() like format string.
161 * \param arg arguments
162 */
163#define DRM_ERROR(fmt, arg...) \
164 printk(KERN_ERR "[" DRM_NAME ":%s] *ERROR* " fmt , __FUNCTION__ , ##arg)
165
166/**
167 * Memory error output.
168 *
169 * \param area memory area where the error occurred.
170 * \param fmt printf() like format string.
171 * \param arg arguments
172 */
173#define DRM_MEM_ERROR(area, fmt, arg...) \
174 printk(KERN_ERR "[" DRM_NAME ":%s:%s] *ERROR* " fmt , __FUNCTION__, \
175 drm_mem_stats[area].name , ##arg)
176
177#define DRM_INFO(fmt, arg...) printk(KERN_INFO "[" DRM_NAME "] " fmt , ##arg)
178
179/**
180 * Debug output.
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000181 *
Linus Torvalds1da177e2005-04-16 15:20:36 -0700182 * \param fmt printf() like format string.
183 * \param arg arguments
184 */
185#if DRM_DEBUG_CODE
186#define DRM_DEBUG(fmt, arg...) \
187 do { \
188 if ( drm_debug ) \
189 printk(KERN_DEBUG \
190 "[" DRM_NAME ":%s] " fmt , \
191 __FUNCTION__ , ##arg); \
192 } while (0)
193#else
194#define DRM_DEBUG(fmt, arg...) do { } while (0)
195#endif
196
197#define DRM_PROC_LIMIT (PAGE_SIZE-80)
198
199#define DRM_PROC_PRINT(fmt, arg...) \
200 len += sprintf(&buf[len], fmt , ##arg); \
201 if (len > DRM_PROC_LIMIT) { *eof = 1; return len - offset; }
202
203#define DRM_PROC_PRINT_RET(ret, fmt, arg...) \
204 len += sprintf(&buf[len], fmt , ##arg); \
205 if (len > DRM_PROC_LIMIT) { ret; *eof = 1; return len - offset; }
206
207/*@}*/
208
Linus Torvalds1da177e2005-04-16 15:20:36 -0700209/***********************************************************************/
210/** \name Internal types and structures */
211/*@{*/
212
Dave Airlie99a26572005-09-25 13:25:41 +1000213#define DRM_ARRAY_SIZE(x) ARRAY_SIZE(x)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700214
215#define DRM_LEFTCOUNT(x) (((x)->rp + (x)->count - (x)->wp) % ((x)->count + 1))
216#define DRM_BUFCOUNT(x) ((x)->count - DRM_LEFTCOUNT(x))
217#define DRM_WAITCOUNT(dev,idx) DRM_BUFCOUNT(&dev->queuelist[idx]->waitlist)
218
219#define DRM_IF_VERSION(maj, min) (maj << 16 | min)
220/**
221 * Get the private SAREA mapping.
222 *
223 * \param _dev DRM device.
224 * \param _ctx context number.
225 * \param _map output mapping.
226 */
227#define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \
228 (_map) = (_dev)->context_sareas[_ctx]; \
229} while(0)
230
231/**
232 * Test that the hardware lock is held by the caller, returning otherwise.
233 *
234 * \param dev DRM device.
235 * \param filp file pointer of the caller.
236 */
Eric Anholtc153f452007-09-03 12:06:45 +1000237#define LOCK_TEST_WITH_RETURN( dev, file_priv ) \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700238do { \
239 if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || \
Eric Anholtc153f452007-09-03 12:06:45 +1000240 dev->lock.file_priv != file_priv ) { \
241 DRM_ERROR( "%s called without lock held, held %d owner %p %p\n",\
242 __FUNCTION__, _DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ),\
243 dev->lock.file_priv, file_priv ); \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700244 return -EINVAL; \
245 } \
246} while (0)
247
248/**
249 * Copy and IOCTL return string to user space
250 */
251#define DRM_COPY( name, value ) \
252 len = strlen( value ); \
253 if ( len > name##_len ) len = name##_len; \
254 name##_len = strlen( value ); \
255 if ( len && name ) { \
256 if ( copy_to_user( name, value, len ) ) \
257 return -EFAULT; \
258 }
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000259
Linus Torvalds1da177e2005-04-16 15:20:36 -0700260/**
261 * Ioctl function type.
262 *
263 * \param inode device inode.
Eric Anholt6c340ea2007-08-25 20:23:09 +1000264 * \param file_priv DRM file private pointer.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700265 * \param cmd command.
266 * \param arg argument.
267 */
Eric Anholtc153f452007-09-03 12:06:45 +1000268typedef int drm_ioctl_t(struct drm_device *dev, void *data,
269 struct drm_file *file_priv);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700270
Dave Airlie9a186642005-06-23 21:29:18 +1000271typedef int drm_ioctl_compat_t(struct file *filp, unsigned int cmd,
272 unsigned long arg);
273
Dave Airliea7a2cc32006-01-02 13:54:04 +1100274#define DRM_AUTH 0x1
275#define DRM_MASTER 0x2
276#define DRM_ROOT_ONLY 0x4
277
Eric Anholtc153f452007-09-03 12:06:45 +1000278struct drm_ioctl_desc {
279 unsigned int cmd;
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000280 drm_ioctl_t *func;
Dave Airliea7a2cc32006-01-02 13:54:04 +1100281 int flags;
Eric Anholtc153f452007-09-03 12:06:45 +1000282};
283
284/**
285 * Creates a driver or general drm_ioctl_desc array entry for the given
286 * ioctl, for use by drm_ioctl().
287 */
288#define DRM_IOCTL_DEF(ioctl, func, flags) \
289 [DRM_IOCTL_NR(ioctl)] = {ioctl, func, flags}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700290
Dave Airlie8fc2fdf2007-07-11 16:21:47 +1000291struct drm_magic_entry {
Thomas Hellstrom8669cbc2006-08-07 22:22:10 +1000292 struct list_head head;
Dave Airliee0be4282007-07-12 10:26:44 +1000293 struct drm_hash_item hash_item;
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000294 struct drm_file *priv;
Dave Airlie8fc2fdf2007-07-11 16:21:47 +1000295};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700296
Dave Airlie8fc2fdf2007-07-11 16:21:47 +1000297struct drm_vma_entry {
Dave Airliebd1b3312007-05-26 05:01:51 +1000298 struct list_head head;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700299 struct vm_area_struct *vma;
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000300 pid_t pid;
Dave Airlie8fc2fdf2007-07-11 16:21:47 +1000301};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700302
303/**
304 * DMA buffer.
305 */
Dave Airlie056219e2007-07-11 16:17:42 +1000306struct drm_buf {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000307 int idx; /**< Index into master buflist */
308 int total; /**< Buffer size */
309 int order; /**< log-base-2(total) */
310 int used; /**< Amount of buffer in use (for DMA) */
311 unsigned long offset; /**< Byte offset (used internally) */
312 void *address; /**< Address of buffer */
313 unsigned long bus_address; /**< Bus address of buffer */
314 struct drm_buf *next; /**< Kernel-only: used for free list */
315 __volatile__ int waiting; /**< On kernel DMA queue */
316 __volatile__ int pending; /**< On hardware DMA queue */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700317 wait_queue_head_t dma_wait; /**< Processes waiting */
Eric Anholt6c340ea2007-08-25 20:23:09 +1000318 struct drm_file *file_priv; /**< Private of holding file descr */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000319 int context; /**< Kernel queue for this buffer */
320 int while_locked; /**< Dispatch this buffer while locked */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700321 enum {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000322 DRM_LIST_NONE = 0,
323 DRM_LIST_FREE = 1,
324 DRM_LIST_WAIT = 2,
325 DRM_LIST_PEND = 3,
326 DRM_LIST_PRIO = 4,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700327 DRM_LIST_RECLAIM = 5
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000328 } list; /**< Which list we're on */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700329
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000330 int dev_priv_size; /**< Size of buffer private storage */
331 void *dev_private; /**< Per-buffer private storage */
Dave Airlie056219e2007-07-11 16:17:42 +1000332};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700333
Linus Torvalds1da177e2005-04-16 15:20:36 -0700334/** bufs is one longer than it has to be */
Dave Airliecdd55a22007-07-11 16:32:08 +1000335struct drm_waitlist {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000336 int count; /**< Number of possible buffers */
Dave Airlie056219e2007-07-11 16:17:42 +1000337 struct drm_buf **bufs; /**< List of pointers to buffers */
338 struct drm_buf **rp; /**< Read pointer */
339 struct drm_buf **wp; /**< Write pointer */
340 struct drm_buf **end; /**< End pointer */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000341 spinlock_t read_lock;
342 spinlock_t write_lock;
Dave Airliecdd55a22007-07-11 16:32:08 +1000343};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700344
Dave Airliecdd55a22007-07-11 16:32:08 +1000345struct drm_freelist {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000346 int initialized; /**< Freelist in use */
347 atomic_t count; /**< Number of free buffers */
Dave Airlie056219e2007-07-11 16:17:42 +1000348 struct drm_buf *next; /**< End pointer */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700349
350 wait_queue_head_t waiting; /**< Processes waiting on free bufs */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000351 int low_mark; /**< Low water mark */
352 int high_mark; /**< High water mark */
353 atomic_t wfh; /**< If waiting for high mark */
354 spinlock_t lock;
Dave Airliecdd55a22007-07-11 16:32:08 +1000355};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700356
Dave Airlieddf19b92006-03-19 18:56:12 +1100357typedef struct drm_dma_handle {
358 dma_addr_t busaddr;
359 void *vaddr;
360 size_t size;
361} drm_dma_handle_t;
362
Linus Torvalds1da177e2005-04-16 15:20:36 -0700363/**
364 * Buffer entry. There is one of this for each buffer size order.
365 */
Dave Airliecdd55a22007-07-11 16:32:08 +1000366struct drm_buf_entry {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000367 int buf_size; /**< size */
368 int buf_count; /**< number of buffers */
Dave Airlie056219e2007-07-11 16:17:42 +1000369 struct drm_buf *buflist; /**< buffer list */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000370 int seg_count;
371 int page_order;
Dave Airliecdd55a22007-07-11 16:32:08 +1000372 struct drm_dma_handle **seglist;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700373
Dave Airliecdd55a22007-07-11 16:32:08 +1000374 struct drm_freelist freelist;
375};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700376
377/** File private data */
Dave Airlie84b1fd12007-07-11 15:53:27 +1000378struct drm_file {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000379 int authenticated;
Dave Airliea7a2cc32006-01-02 13:54:04 +1100380 int master;
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000381 int minor;
382 pid_t pid;
383 uid_t uid;
384 drm_magic_t magic;
385 unsigned long ioctl_count;
Dave Airliebd1b3312007-05-26 05:01:51 +1000386 struct list_head lhead;
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000387 struct drm_head *head;
388 int remove_auth_on_close;
389 unsigned long lock_count;
Eric Anholt6c340ea2007-08-25 20:23:09 +1000390 struct file *filp;
Dave Airlie8562b3f2007-11-05 12:37:41 +1000391 void *driver_priv;
Dave Airlie84b1fd12007-07-11 15:53:27 +1000392};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700393
394/** Wait queue */
Dave Airliecdd55a22007-07-11 16:32:08 +1000395struct drm_queue {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000396 atomic_t use_count; /**< Outstanding uses (+1) */
397 atomic_t finalization; /**< Finalization in progress */
398 atomic_t block_count; /**< Count of processes waiting */
399 atomic_t block_read; /**< Queue blocked for reads */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700400 wait_queue_head_t read_queue; /**< Processes waiting on block_read */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000401 atomic_t block_write; /**< Queue blocked for writes */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700402 wait_queue_head_t write_queue; /**< Processes waiting on block_write */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000403 atomic_t total_queued; /**< Total queued statistic */
404 atomic_t total_flushed; /**< Total flushes statistic */
405 atomic_t total_locks; /**< Total locks statistics */
Dave Airliec60ce622007-07-11 15:27:12 +1000406 enum drm_ctx_flags flags; /**< Context preserving and 2D-only */
Dave Airliecdd55a22007-07-11 16:32:08 +1000407 struct drm_waitlist waitlist; /**< Pending buffers */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700408 wait_queue_head_t flush_queue; /**< Processes waiting until flush */
Dave Airliecdd55a22007-07-11 16:32:08 +1000409};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700410
411/**
412 * Lock data.
413 */
Dave Airlie55910512007-07-11 16:53:40 +1000414struct drm_lock_data {
Dave Airliec60ce622007-07-11 15:27:12 +1000415 struct drm_hw_lock *hw_lock; /**< Hardware lock */
Dave Airlie8562b3f2007-11-05 12:37:41 +1000416 /** Private of lock holder's file (NULL=kernel) */
417 struct drm_file *file_priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700418 wait_queue_head_t lock_queue; /**< Queue of blocked processes */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000419 unsigned long lock_time; /**< Time of last lock in jiffies */
Thomas Hellstrom040ac322007-03-23 13:28:33 +1100420 spinlock_t spinlock;
421 uint32_t kernel_waiters;
422 uint32_t user_waiters;
423 int idle_has_lock;
Dave Airlie55910512007-07-11 16:53:40 +1000424};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700425
426/**
427 * DMA data.
428 */
Dave Airliecdd55a22007-07-11 16:32:08 +1000429struct drm_device_dma {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700430
Dave Airliecdd55a22007-07-11 16:32:08 +1000431 struct drm_buf_entry bufs[DRM_MAX_ORDER + 1]; /**< buffers, grouped by their size order */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000432 int buf_count; /**< total number of buffers */
Dave Airlie056219e2007-07-11 16:17:42 +1000433 struct drm_buf **buflist; /**< Vector of pointers into drm_device_dma::bufs */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000434 int seg_count;
435 int page_count; /**< number of pages */
436 unsigned long *pagelist; /**< page list */
437 unsigned long byte_count;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700438 enum {
439 _DRM_DMA_USE_AGP = 0x01,
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000440 _DRM_DMA_USE_SG = 0x02,
George Sapountzis3417f332006-10-24 12:03:04 -0700441 _DRM_DMA_USE_FB = 0x04,
442 _DRM_DMA_USE_PCI_RO = 0x08
Linus Torvalds1da177e2005-04-16 15:20:36 -0700443 } flags;
444
Dave Airliecdd55a22007-07-11 16:32:08 +1000445};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700446
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000447/**
Linus Torvalds1da177e2005-04-16 15:20:36 -0700448 * AGP memory entry. Stored as a doubly linked list.
449 */
Dave Airlie55910512007-07-11 16:53:40 +1000450struct drm_agp_mem {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000451 unsigned long handle; /**< handle */
452 DRM_AGP_MEM *memory;
453 unsigned long bound; /**< address */
454 int pages;
Dave Airliebd1b3312007-05-26 05:01:51 +1000455 struct list_head head;
Dave Airlie55910512007-07-11 16:53:40 +1000456};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700457
458/**
459 * AGP data.
460 *
461 * \sa drm_agp_init() and drm_device::agp.
462 */
Dave Airlie55910512007-07-11 16:53:40 +1000463struct drm_agp_head {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000464 DRM_AGP_KERN agp_info; /**< AGP device information */
Dave Airliebd1b3312007-05-26 05:01:51 +1000465 struct list_head memory;
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000466 unsigned long mode; /**< AGP mode */
467 struct agp_bridge_data *bridge;
468 int enabled; /**< whether the AGP bus as been enabled */
469 int acquired; /**< whether the AGP device has been acquired */
470 unsigned long base;
471 int agp_mtrr;
472 int cant_use_aperture;
473 unsigned long page_mask;
Dave Airlie55910512007-07-11 16:53:40 +1000474};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700475
476/**
477 * Scatter-gather memory.
478 */
Dave Airlie55910512007-07-11 16:53:40 +1000479struct drm_sg_mem {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000480 unsigned long handle;
481 void *virtual;
482 int pages;
483 struct page **pagelist;
484 dma_addr_t *busaddr;
Dave Airlie55910512007-07-11 16:53:40 +1000485};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700486
Dave Airlie55910512007-07-11 16:53:40 +1000487struct drm_sigdata {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000488 int context;
Dave Airliec60ce622007-07-11 15:27:12 +1000489 struct drm_hw_lock *lock;
Dave Airlie55910512007-07-11 16:53:40 +1000490};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700491
Dave Airlie8562b3f2007-11-05 12:37:41 +1000492
493/*
494 * Generic memory manager structs
495 */
496
497struct drm_mm_node {
498 struct list_head fl_entry;
499 struct list_head ml_entry;
500 int free;
501 unsigned long start;
502 unsigned long size;
503 struct drm_mm *mm;
504 void *private;
505};
506
507struct drm_mm {
508 struct list_head fl_entry;
509 struct list_head ml_entry;
510};
511
512
Linus Torvalds1da177e2005-04-16 15:20:36 -0700513/**
514 * Mappings list
515 */
Dave Airlie55910512007-07-11 16:53:40 +1000516struct drm_map_list {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000517 struct list_head head; /**< list head */
Dave Airliee0be4282007-07-12 10:26:44 +1000518 struct drm_hash_item hash;
Dave Airliec60ce622007-07-11 15:27:12 +1000519 struct drm_map *map; /**< mapping */
Dave Airlie8562b3f2007-11-05 12:37:41 +1000520 uint64_t user_token;
Dave Airlie55910512007-07-11 16:53:40 +1000521};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700522
Dave Airliec60ce622007-07-11 15:27:12 +1000523typedef struct drm_map drm_local_map_t;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700524
525/**
526 * Context handle list
527 */
Dave Airlie55910512007-07-11 16:53:40 +1000528struct drm_ctx_list {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000529 struct list_head head; /**< list head */
530 drm_context_t handle; /**< context handle */
Dave Airlie84b1fd12007-07-11 15:53:27 +1000531 struct drm_file *tag; /**< associated fd private data */
Dave Airlie55910512007-07-11 16:53:40 +1000532};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700533
Dave Airlie55910512007-07-11 16:53:40 +1000534struct drm_vbl_sig {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000535 struct list_head head;
536 unsigned int sequence;
537 struct siginfo info;
538 struct task_struct *task;
Dave Airlie55910512007-07-11 16:53:40 +1000539};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700540
Dave Airlieea98a922005-09-11 20:28:11 +1000541/* location of GART table */
542#define DRM_ATI_GART_MAIN 1
543#define DRM_ATI_GART_FB 2
544
Dave Airlief2b04cd2007-05-08 15:19:23 +1000545#define DRM_ATI_GART_PCI 1
546#define DRM_ATI_GART_PCIE 2
547#define DRM_ATI_GART_IGP 3
548
Dave Airlie55910512007-07-11 16:53:40 +1000549struct drm_ati_pcigart_info {
Dave Airlieea98a922005-09-11 20:28:11 +1000550 int gart_table_location;
Dave Airlief2b04cd2007-05-08 15:19:23 +1000551 int gart_reg_if;
Dave Airlief26c4732006-01-02 17:18:39 +1100552 void *addr;
Dave Airlieea98a922005-09-11 20:28:11 +1000553 dma_addr_t bus_addr;
Dave Airlief26c4732006-01-02 17:18:39 +1100554 drm_local_map_t mapping;
Dave Airlief2b04cd2007-05-08 15:19:23 +1000555 int table_size;
Dave Airlie55910512007-07-11 16:53:40 +1000556};
Dave Airlieea98a922005-09-11 20:28:11 +1000557
Linus Torvalds1da177e2005-04-16 15:20:36 -0700558/**
559 * DRM driver structure. This structure represent the common code for
560 * a family of cards. There will one drm_device for each card present
561 * in this family
562 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700563struct drm_driver {
Dave Airlie22eae942005-11-10 22:16:34 +1100564 int (*load) (struct drm_device *, unsigned long flags);
565 int (*firstopen) (struct drm_device *);
Dave Airlie84b1fd12007-07-11 15:53:27 +1000566 int (*open) (struct drm_device *, struct drm_file *);
Eric Anholt6c340ea2007-08-25 20:23:09 +1000567 void (*preclose) (struct drm_device *, struct drm_file *file_priv);
Dave Airlie84b1fd12007-07-11 15:53:27 +1000568 void (*postclose) (struct drm_device *, struct drm_file *);
Dave Airlie22eae942005-11-10 22:16:34 +1100569 void (*lastclose) (struct drm_device *);
570 int (*unload) (struct drm_device *);
Dave Airlieb932ccb2008-02-20 10:02:20 +1000571 int (*suspend) (struct drm_device *, pm_message_t state);
Jesse Barnese8b962b2007-11-22 14:02:38 +1000572 int (*resume) (struct drm_device *);
Eric Anholtc153f452007-09-03 12:06:45 +1000573 int (*dma_ioctl) (struct drm_device *dev, void *data, struct drm_file *file_priv);
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000574 void (*dma_ready) (struct drm_device *);
575 int (*dma_quiescent) (struct drm_device *);
Dave Airlie84b1fd12007-07-11 15:53:27 +1000576 int (*context_ctor) (struct drm_device *dev, int context);
577 int (*context_dtor) (struct drm_device *dev, int context);
578 int (*kernel_context_switch) (struct drm_device *dev, int old,
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000579 int new);
Dave Airlie84b1fd12007-07-11 15:53:27 +1000580 void (*kernel_context_switch_unlock) (struct drm_device *dev);
581 int (*vblank_wait) (struct drm_device *dev, unsigned int *sequence);
582 int (*vblank_wait2) (struct drm_device *dev, unsigned int *sequence);
Dave Airlie732052e2005-11-11 22:07:35 +1100583 int (*dri_library_name) (struct drm_device *dev, char *buf);
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000584
Dave Airliecda17382005-07-10 17:31:26 +1000585 /**
586 * Called by \c drm_device_is_agp. Typically used to determine if a
587 * card is really attached to AGP or not.
588 *
589 * \param dev DRM device handle
590 *
591 * \returns
592 * One of three values is returned depending on whether or not the
593 * card is absolutely \b not AGP (return of 0), absolutely \b is AGP
594 * (return of 1), or may or may not be AGP (return of 2).
595 */
Dave Airlie84b1fd12007-07-11 15:53:27 +1000596 int (*device_is_agp) (struct drm_device *dev);
Dave Airliecda17382005-07-10 17:31:26 +1000597
Linus Torvalds1da177e2005-04-16 15:20:36 -0700598 /* these have to be filled in */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000599
Dave Airlie22eae942005-11-10 22:16:34 +1100600 irqreturn_t(*irq_handler) (DRM_IRQ_ARGS);
Dave Airlie84b1fd12007-07-11 15:53:27 +1000601 void (*irq_preinstall) (struct drm_device *dev);
602 void (*irq_postinstall) (struct drm_device *dev);
603 void (*irq_uninstall) (struct drm_device *dev);
Eric Anholt6c340ea2007-08-25 20:23:09 +1000604 void (*reclaim_buffers) (struct drm_device *dev,
605 struct drm_file * file_priv);
Dave Airlied985c102006-01-02 21:32:48 +1100606 void (*reclaim_buffers_locked) (struct drm_device *dev,
Eric Anholt6c340ea2007-08-25 20:23:09 +1000607 struct drm_file *file_priv);
Thomas Hellstrom040ac322007-03-23 13:28:33 +1100608 void (*reclaim_buffers_idlelocked) (struct drm_device *dev,
Eric Anholt6c340ea2007-08-25 20:23:09 +1000609 struct drm_file *file_priv);
Dave Airliec60ce622007-07-11 15:27:12 +1000610 unsigned long (*get_map_ofs) (struct drm_map * map);
Dave Airlie84b1fd12007-07-11 15:53:27 +1000611 unsigned long (*get_reg_ofs) (struct drm_device *dev);
612 void (*set_version) (struct drm_device *dev,
Dave Airliec60ce622007-07-11 15:27:12 +1000613 struct drm_set_version *sv);
Dave Airlie22eae942005-11-10 22:16:34 +1100614
615 int major;
616 int minor;
617 int patchlevel;
618 char *name;
619 char *desc;
620 char *date;
621
Linus Torvalds1da177e2005-04-16 15:20:36 -0700622 u32 driver_features;
623 int dev_priv_size;
Eric Anholtc153f452007-09-03 12:06:45 +1000624 struct drm_ioctl_desc *ioctls;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700625 int num_ioctls;
626 struct file_operations fops;
627 struct pci_driver pci_driver;
628};
629
630/**
631 * DRM head structure. This structure represent a video head on a card
632 * that may contain multiple heads. Embed one per head of these in the
633 * private drm_device structure.
634 */
Dave Airlie84b1fd12007-07-11 15:53:27 +1000635struct drm_head {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700636 int minor; /**< Minor device number */
637 struct drm_device *dev;
638 struct proc_dir_entry *dev_root; /**< proc directory entry */
639 dev_t device; /**< Device number for mknod */
640 struct class_device *dev_class;
Dave Airlie84b1fd12007-07-11 15:53:27 +1000641};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700642
643/**
644 * DRM device structure. This structure represent a complete card that
645 * may contain multiple heads.
646 */
Dave Airlie84b1fd12007-07-11 15:53:27 +1000647struct drm_device {
Jesse Barnese8b962b2007-11-22 14:02:38 +1000648 struct device dev; /**< Linux device */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000649 char *unique; /**< Unique identifier: e.g., busid */
650 int unique_len; /**< Length of unique field */
651 char *devname; /**< For /proc/interrupts */
652 int if_version; /**< Highest interface version set */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700653
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000654 int blocked; /**< Blocked due to VC switch? */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700655
656 /** \name Locks */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000657 /*@{ */
658 spinlock_t count_lock; /**< For inuse, drm_device::open_count, drm_device::buf_use */
Dave Airlie30e2fb12006-02-02 19:37:46 +1100659 struct mutex struct_mutex; /**< For others */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000660 /*@} */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700661
662 /** \name Usage Counters */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000663 /*@{ */
664 int open_count; /**< Outstanding files open */
665 atomic_t ioctl_count; /**< Outstanding IOCTLs pending */
666 atomic_t vma_count; /**< Outstanding vma areas open */
667 int buf_use; /**< Buffers in use -- cannot alloc */
668 atomic_t buf_alloc; /**< Buffer allocation in progress */
669 /*@} */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700670
671 /** \name Performance counters */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000672 /*@{ */
673 unsigned long counters;
Dave Airliec60ce622007-07-11 15:27:12 +1000674 enum drm_stat_type types[15];
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000675 atomic_t counts[15];
676 /*@} */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700677
678 /** \name Authentication */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000679 /*@{ */
Dave Airliebd1b3312007-05-26 05:01:51 +1000680 struct list_head filelist;
Dave Airliee0be4282007-07-12 10:26:44 +1000681 struct drm_open_hash magiclist; /**< magic hash table */
Thomas Hellstrom8669cbc2006-08-07 22:22:10 +1000682 struct list_head magicfree;
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000683 /*@} */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700684
685 /** \name Memory management */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000686 /*@{ */
Dave Airliebd1b3312007-05-26 05:01:51 +1000687 struct list_head maplist; /**< Linked list of regions */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000688 int map_count; /**< Number of mappable regions */
Dave Airliee0be4282007-07-12 10:26:44 +1000689 struct drm_open_hash map_hash; /**< User token hash table for maps */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700690
691 /** \name Context handle management */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000692 /*@{ */
Dave Airliebd1b3312007-05-26 05:01:51 +1000693 struct list_head ctxlist; /**< Linked list of context handles */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000694 int ctx_count; /**< Number of context handles */
Dave Airlie30e2fb12006-02-02 19:37:46 +1100695 struct mutex ctxlist_mutex; /**< For ctxlist */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700696
Dave Airlie62968142007-07-17 10:46:52 +1000697 struct idr ctx_idr;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700698
Dave Airliebd1b3312007-05-26 05:01:51 +1000699 struct list_head vmalist; /**< List of vmas (for debugging) */
Dave Airlie55910512007-07-11 16:53:40 +1000700 struct drm_lock_data lock; /**< Information on hardware lock */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000701 /*@} */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700702
703 /** \name DMA queues (contexts) */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000704 /*@{ */
705 int queue_count; /**< Number of active DMA queues */
706 int queue_reserved; /**< Number of reserved DMA queues */
707 int queue_slots; /**< Actual length of queuelist */
Dave Airliecdd55a22007-07-11 16:32:08 +1000708 struct drm_queue **queuelist; /**< Vector of pointers to DMA queues */
709 struct drm_device_dma *dma; /**< Optional pointer for DMA support */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000710 /*@} */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700711
712 /** \name Context support */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000713 /*@{ */
714 int irq; /**< Interrupt used by board */
715 int irq_enabled; /**< True if irq handler is enabled */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700716 __volatile__ long context_flag; /**< Context swapping flag */
717 __volatile__ long interrupt_flag; /**< Interruption handler flag */
718 __volatile__ long dma_flag; /**< DMA dispatch flag */
719 struct timer_list timer; /**< Timer for delaying ctx switch */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000720 wait_queue_head_t context_wait; /**< Processes waiting on ctx switch */
721 int last_checked; /**< Last context checked for DMA */
722 int last_context; /**< Last current context */
723 unsigned long last_switch; /**< jiffies at last context switch */
724 /*@} */
725
726 struct work_struct work;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700727 /** \name VBLANK IRQ support */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000728 /*@{ */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700729
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000730 wait_queue_head_t vbl_queue; /**< VBLANK wait queue */
731 atomic_t vbl_received;
=?utf-8?q?Michel_D=C3=A4nzer?=776c9442006-10-24 22:24:38 +1000732 atomic_t vbl_received2; /**< number of secondary VBLANK interrupts */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000733 spinlock_t vbl_lock;
Dave Airliebd1b3312007-05-26 05:01:51 +1000734 struct list_head vbl_sigs; /**< signal list to send on VBLANK */
735 struct list_head vbl_sigs2; /**< signals to send on secondary VBLANK */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000736 unsigned int vbl_pending;
=?utf-8?q?Michel_D=C3=A4nzer?=2e54a002006-10-24 23:08:16 +1000737 spinlock_t tasklet_lock; /**< For drm_locked_tasklet */
738 void (*locked_tasklet_func)(struct drm_device *dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700739
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000740 /*@} */
741 cycles_t ctx_start;
742 cycles_t lck_start;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700743
Linus Torvalds1da177e2005-04-16 15:20:36 -0700744 struct fasync_struct *buf_async;/**< Processes waiting for SIGIO */
745 wait_queue_head_t buf_readers; /**< Processes waiting to read */
746 wait_queue_head_t buf_writers; /**< Processes waiting to ctx switch */
747
Dave Airlie55910512007-07-11 16:53:40 +1000748 struct drm_agp_head *agp; /**< AGP data */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700749
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000750 struct pci_dev *pdev; /**< PCI device structure */
Eric Anholt2f02cc32006-09-22 04:19:34 +1000751 int pci_vendor; /**< PCI vendor id */
752 int pci_device; /**< PCI device id */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700753#ifdef __alpha__
Linus Torvalds1da177e2005-04-16 15:20:36 -0700754 struct pci_controller *hose;
755#endif
Dave Airlie55910512007-07-11 16:53:40 +1000756 struct drm_sg_mem *sg; /**< Scatter gather memory */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000757 void *dev_private; /**< device private data */
Dave Airlie55910512007-07-11 16:53:40 +1000758 struct drm_sigdata sigdata; /**< For block_all_signals */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000759 sigset_t sigmask;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700760
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000761 struct drm_driver *driver;
762 drm_local_map_t *agp_buffer_map;
Dave Airlied1f2b552005-08-05 22:11:22 +1000763 unsigned int agp_buffer_token;
Dave Airlie84b1fd12007-07-11 15:53:27 +1000764 struct drm_head primary; /**< primary screen head */
=?utf-8?q?Michel_D=C3=A4nzer?=bea56792006-10-24 23:04:19 +1000765
766 /** \name Drawable information */
767 /*@{ */
768 spinlock_t drw_lock;
Dave Airlied4e2cbe2007-07-17 10:55:47 +1000769 struct idr drw_idr;
=?utf-8?q?Michel_D=C3=A4nzer?=bea56792006-10-24 23:04:19 +1000770 /*@} */
Dave Airlie84b1fd12007-07-11 15:53:27 +1000771};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700772
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000773static __inline__ int drm_core_check_feature(struct drm_device *dev,
774 int feature)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700775{
776 return ((dev->driver->driver_features & feature) ? 1 : 0);
777}
778
Dave Airlie332296012006-08-07 20:23:42 +1000779#ifdef __alpha__
Jay Estabrook62442702007-03-11 11:46:27 +1100780#define drm_get_pci_domain(dev) dev->hose->index
Dave Airlie332296012006-08-07 20:23:42 +1000781#else
Dave Airlie9b1a51b2006-09-22 03:37:19 +1000782#define drm_get_pci_domain(dev) 0
Dave Airlie332296012006-08-07 20:23:42 +1000783#endif
784
Linus Torvalds1da177e2005-04-16 15:20:36 -0700785#if __OS_HAS_AGP
786static inline int drm_core_has_AGP(struct drm_device *dev)
787{
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000788 return drm_core_check_feature(dev, DRIVER_USE_AGP);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700789}
790#else
791#define drm_core_has_AGP(dev) (0)
792#endif
793
794#if __OS_HAS_MTRR
795static inline int drm_core_has_MTRR(struct drm_device *dev)
796{
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000797 return drm_core_check_feature(dev, DRIVER_USE_MTRR);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700798}
Dave Airlie269dc512006-01-02 16:23:01 +1100799
800#define DRM_MTRR_WC MTRR_TYPE_WRCOMB
801
802static inline int drm_mtrr_add(unsigned long offset, unsigned long size,
803 unsigned int flags)
804{
805 return mtrr_add(offset, size, flags, 1);
806}
807
808static inline int drm_mtrr_del(int handle, unsigned long offset,
809 unsigned long size, unsigned int flags)
810{
811 return mtrr_del(handle, offset, size);
812}
813
Linus Torvalds1da177e2005-04-16 15:20:36 -0700814#else
815#define drm_core_has_MTRR(dev) (0)
Dave Airlie9c7d4622006-01-12 20:44:30 +1100816
817#define DRM_MTRR_WC 0
818
819static inline int drm_mtrr_add(unsigned long offset, unsigned long size,
820 unsigned int flags)
821{
822 return 0;
823}
824
825static inline int drm_mtrr_del(int handle, unsigned long offset,
826 unsigned long size, unsigned int flags)
827{
828 return 0;
829}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700830#endif
831
832/******************************************************************/
833/** \name Internal function definitions */
834/*@{*/
835
Linus Torvalds1da177e2005-04-16 15:20:36 -0700836 /* Driver support (drm_drv.h) */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000837extern int drm_init(struct drm_driver *driver);
838extern void drm_exit(struct drm_driver *driver);
839extern int drm_ioctl(struct inode *inode, struct file *filp,
840 unsigned int cmd, unsigned long arg);
841extern long drm_compat_ioctl(struct file *filp,
842 unsigned int cmd, unsigned long arg);
Dave Airlie84b1fd12007-07-11 15:53:27 +1000843extern int drm_lastclose(struct drm_device *dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700844
845 /* Device support (drm_fops.h) */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000846extern int drm_open(struct inode *inode, struct file *filp);
847extern int drm_stub_open(struct inode *inode, struct file *filp);
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000848extern int drm_fasync(int fd, struct file *filp, int on);
849extern int drm_release(struct inode *inode, struct file *filp);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700850
851 /* Mapping support (drm_vm.h) */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000852extern int drm_mmap(struct file *filp, struct vm_area_struct *vma);
Dave Airlieded23352007-11-05 13:07:28 +1000853extern unsigned long drm_core_get_map_ofs(struct drm_map * map);
854extern unsigned long drm_core_get_reg_ofs(struct drm_device *dev);
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000855extern unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700856
857 /* Memory management support (drm_memory.h) */
858#include "drm_memory.h"
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000859extern void drm_mem_init(void);
860extern int drm_mem_info(char *buf, char **start, off_t offset,
861 int request, int *eof, void *data);
862extern void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700863
Dave Airlie84b1fd12007-07-11 15:53:27 +1000864extern DRM_AGP_MEM *drm_alloc_agp(struct drm_device *dev, int pages, u32 type);
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000865extern int drm_free_agp(DRM_AGP_MEM * handle, int pages);
866extern int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start);
867extern int drm_unbind_agp(DRM_AGP_MEM * handle);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700868
869 /* Misc. IOCTL support (drm_ioctl.h) */
Eric Anholtc153f452007-09-03 12:06:45 +1000870extern int drm_irq_by_busid(struct drm_device *dev, void *data,
871 struct drm_file *file_priv);
872extern int drm_getunique(struct drm_device *dev, void *data,
873 struct drm_file *file_priv);
874extern int drm_setunique(struct drm_device *dev, void *data,
875 struct drm_file *file_priv);
876extern int drm_getmap(struct drm_device *dev, void *data,
877 struct drm_file *file_priv);
878extern int drm_getclient(struct drm_device *dev, void *data,
879 struct drm_file *file_priv);
880extern int drm_getstats(struct drm_device *dev, void *data,
881 struct drm_file *file_priv);
882extern int drm_setversion(struct drm_device *dev, void *data,
883 struct drm_file *file_priv);
884extern int drm_noop(struct drm_device *dev, void *data,
885 struct drm_file *file_priv);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700886
887 /* Context IOCTL support (drm_context.h) */
Eric Anholtc153f452007-09-03 12:06:45 +1000888extern int drm_resctx(struct drm_device *dev, void *data,
889 struct drm_file *file_priv);
890extern int drm_addctx(struct drm_device *dev, void *data,
891 struct drm_file *file_priv);
892extern int drm_modctx(struct drm_device *dev, void *data,
893 struct drm_file *file_priv);
894extern int drm_getctx(struct drm_device *dev, void *data,
895 struct drm_file *file_priv);
896extern int drm_switchctx(struct drm_device *dev, void *data,
897 struct drm_file *file_priv);
898extern int drm_newctx(struct drm_device *dev, void *data,
899 struct drm_file *file_priv);
900extern int drm_rmctx(struct drm_device *dev, void *data,
901 struct drm_file *file_priv);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700902
Dave Airlie84b1fd12007-07-11 15:53:27 +1000903extern int drm_ctxbitmap_init(struct drm_device *dev);
904extern void drm_ctxbitmap_cleanup(struct drm_device *dev);
905extern void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700906
Eric Anholtc153f452007-09-03 12:06:45 +1000907extern int drm_setsareactx(struct drm_device *dev, void *data,
908 struct drm_file *file_priv);
909extern int drm_getsareactx(struct drm_device *dev, void *data,
910 struct drm_file *file_priv);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700911
912 /* Drawable IOCTL support (drm_drawable.h) */
Eric Anholtc153f452007-09-03 12:06:45 +1000913extern int drm_adddraw(struct drm_device *dev, void *data,
914 struct drm_file *file_priv);
915extern int drm_rmdraw(struct drm_device *dev, void *data,
916 struct drm_file *file_priv);
917extern int drm_update_drawable_info(struct drm_device *dev, void *data,
918 struct drm_file *file_priv);
Dave Airlie84b1fd12007-07-11 15:53:27 +1000919extern struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev,
=?utf-8?q?Michel_D=C3=A4nzer?=bea56792006-10-24 23:04:19 +1000920 drm_drawable_t id);
Dave Airlied4e2cbe2007-07-17 10:55:47 +1000921extern void drm_drawable_free_all(struct drm_device *dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700922
923 /* Authentication IOCTL support (drm_auth.h) */
Eric Anholtc153f452007-09-03 12:06:45 +1000924extern int drm_getmagic(struct drm_device *dev, void *data,
925 struct drm_file *file_priv);
926extern int drm_authmagic(struct drm_device *dev, void *data,
927 struct drm_file *file_priv);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700928
Linus Torvalds1da177e2005-04-16 15:20:36 -0700929 /* Locking IOCTL support (drm_lock.h) */
Eric Anholtc153f452007-09-03 12:06:45 +1000930extern int drm_lock(struct drm_device *dev, void *data,
931 struct drm_file *file_priv);
932extern int drm_unlock(struct drm_device *dev, void *data,
933 struct drm_file *file_priv);
Dave Airlie55910512007-07-11 16:53:40 +1000934extern int drm_lock_take(struct drm_lock_data *lock_data, unsigned int context);
935extern int drm_lock_free(struct drm_lock_data *lock_data, unsigned int context);
936extern void drm_idlelock_take(struct drm_lock_data *lock_data);
937extern void drm_idlelock_release(struct drm_lock_data *lock_data);
Thomas Hellstrom040ac322007-03-23 13:28:33 +1100938
939/*
940 * These are exported to drivers so that they can implement fencing using
941 * DMA quiscent + idle. DMA quiescent usually requires the hardware lock.
942 */
943
Eric Anholtc153f452007-09-03 12:06:45 +1000944extern int drm_i_have_hw_lock(struct drm_device *dev, struct drm_file *file_priv);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700945
946 /* Buffer management support (drm_bufs.h) */
Dave Airlie84b1fd12007-07-11 15:53:27 +1000947extern int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc * request);
948extern int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc * request);
949extern int drm_addmap(struct drm_device *dev, unsigned int offset,
Dave Airliec60ce622007-07-11 15:27:12 +1000950 unsigned int size, enum drm_map_type type,
951 enum drm_map_flags flags, drm_local_map_t ** map_ptr);
Eric Anholtc153f452007-09-03 12:06:45 +1000952extern int drm_addmap_ioctl(struct drm_device *dev, void *data,
953 struct drm_file *file_priv);
954extern int drm_rmmap(struct drm_device *dev, drm_local_map_t *map);
955extern int drm_rmmap_locked(struct drm_device *dev, drm_local_map_t *map);
956extern int drm_rmmap_ioctl(struct drm_device *dev, void *data,
957 struct drm_file *file_priv);
958extern int drm_addbufs(struct drm_device *dev, void *data,
959 struct drm_file *file_priv);
960extern int drm_infobufs(struct drm_device *dev, void *data,
961 struct drm_file *file_priv);
962extern int drm_markbufs(struct drm_device *dev, void *data,
963 struct drm_file *file_priv);
964extern int drm_freebufs(struct drm_device *dev, void *data,
965 struct drm_file *file_priv);
966extern int drm_mapbufs(struct drm_device *dev, void *data,
967 struct drm_file *file_priv);
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000968extern int drm_order(unsigned long size);
Dave Airlie84b1fd12007-07-11 15:53:27 +1000969extern unsigned long drm_get_resource_start(struct drm_device *dev,
Dave Airlie836cf042005-07-10 19:27:04 +1000970 unsigned int resource);
Dave Airlie84b1fd12007-07-11 15:53:27 +1000971extern unsigned long drm_get_resource_len(struct drm_device *dev,
Dave Airlie836cf042005-07-10 19:27:04 +1000972 unsigned int resource);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700973
974 /* DMA support (drm_dma.h) */
Dave Airlie84b1fd12007-07-11 15:53:27 +1000975extern int drm_dma_setup(struct drm_device *dev);
976extern void drm_dma_takedown(struct drm_device *dev);
Dave Airlie056219e2007-07-11 16:17:42 +1000977extern void drm_free_buffer(struct drm_device *dev, struct drm_buf * buf);
Eric Anholt6c340ea2007-08-25 20:23:09 +1000978extern void drm_core_reclaim_buffers(struct drm_device *dev,
979 struct drm_file *filp);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700980
981 /* IRQ support (drm_irq.h) */
Eric Anholtc153f452007-09-03 12:06:45 +1000982extern int drm_control(struct drm_device *dev, void *data,
983 struct drm_file *file_priv);
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000984extern irqreturn_t drm_irq_handler(DRM_IRQ_ARGS);
Dave Airlie84b1fd12007-07-11 15:53:27 +1000985extern int drm_irq_uninstall(struct drm_device *dev);
986extern void drm_driver_irq_preinstall(struct drm_device *dev);
987extern void drm_driver_irq_postinstall(struct drm_device *dev);
988extern void drm_driver_irq_uninstall(struct drm_device *dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700989
Eric Anholtc153f452007-09-03 12:06:45 +1000990extern int drm_wait_vblank(struct drm_device *dev, void *data,
991 struct drm_file *file_priv);
Dave Airlie84b1fd12007-07-11 15:53:27 +1000992extern int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq);
993extern void drm_vbl_send_signals(struct drm_device *dev);
994extern void drm_locked_tasklet(struct drm_device *dev, void(*func)(struct drm_device*));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700995
996 /* AGP/GART support (drm_agpsupport.h) */
Dave Airlie55910512007-07-11 16:53:40 +1000997extern struct drm_agp_head *drm_agp_init(struct drm_device *dev);
Dave Airlie84b1fd12007-07-11 15:53:27 +1000998extern int drm_agp_acquire(struct drm_device *dev);
Eric Anholtc153f452007-09-03 12:06:45 +1000999extern int drm_agp_acquire_ioctl(struct drm_device *dev, void *data,
1000 struct drm_file *file_priv);
Dave Airlie84b1fd12007-07-11 15:53:27 +10001001extern int drm_agp_release(struct drm_device *dev);
Eric Anholtc153f452007-09-03 12:06:45 +10001002extern int drm_agp_release_ioctl(struct drm_device *dev, void *data,
1003 struct drm_file *file_priv);
Dave Airlie84b1fd12007-07-11 15:53:27 +10001004extern int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode);
Eric Anholtc153f452007-09-03 12:06:45 +10001005extern int drm_agp_enable_ioctl(struct drm_device *dev, void *data,
1006 struct drm_file *file_priv);
1007extern int drm_agp_info(struct drm_device *dev, struct drm_agp_info *info);
1008extern int drm_agp_info_ioctl(struct drm_device *dev, void *data,
1009 struct drm_file *file_priv);
Dave Airlie84b1fd12007-07-11 15:53:27 +10001010extern int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request);
Eric Anholtc153f452007-09-03 12:06:45 +10001011extern int drm_agp_alloc_ioctl(struct drm_device *dev, void *data,
1012 struct drm_file *file_priv);
Dave Airlie84b1fd12007-07-11 15:53:27 +10001013extern int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request);
Eric Anholtc153f452007-09-03 12:06:45 +10001014extern int drm_agp_free_ioctl(struct drm_device *dev, void *data,
1015 struct drm_file *file_priv);
Dave Airlie84b1fd12007-07-11 15:53:27 +10001016extern int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request);
Eric Anholtc153f452007-09-03 12:06:45 +10001017extern int drm_agp_unbind_ioctl(struct drm_device *dev, void *data,
1018 struct drm_file *file_priv);
Dave Airlie84b1fd12007-07-11 15:53:27 +10001019extern int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request);
Eric Anholtc153f452007-09-03 12:06:45 +10001020extern int drm_agp_bind_ioctl(struct drm_device *dev, void *data,
1021 struct drm_file *file_priv);
1022extern DRM_AGP_MEM *drm_agp_allocate_memory(struct agp_bridge_data *bridge, size_t pages, u32 type);
Dave Airlieb5e89ed2005-09-25 14:28:13 +10001023extern int drm_agp_free_memory(DRM_AGP_MEM * handle);
1024extern int drm_agp_bind_memory(DRM_AGP_MEM * handle, off_t start);
1025extern int drm_agp_unbind_memory(DRM_AGP_MEM * handle);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001026
1027 /* Stub support (drm_stub.h) */
1028extern int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent,
Dave Airlieb5e89ed2005-09-25 14:28:13 +10001029 struct drm_driver *driver);
Dave Airlie84b1fd12007-07-11 15:53:27 +10001030extern int drm_put_dev(struct drm_device *dev);
1031extern int drm_put_head(struct drm_head *head);
Dave Airlieb5e89ed2005-09-25 14:28:13 +10001032extern unsigned int drm_debug;
1033extern unsigned int drm_cards_limit;
Dave Airlie84b1fd12007-07-11 15:53:27 +10001034extern struct drm_head **drm_heads;
Greg Kroah-Hartman0650fd52006-01-20 14:08:59 -08001035extern struct class *drm_class;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001036extern struct proc_dir_entry *drm_proc_root;
1037
Dave Airlieda509d72007-05-26 05:04:51 +10001038extern drm_local_map_t *drm_getsarea(struct drm_device *dev);
1039
Linus Torvalds1da177e2005-04-16 15:20:36 -07001040 /* Proc support (drm_proc.h) */
Dave Airlie84b1fd12007-07-11 15:53:27 +10001041extern int drm_proc_init(struct drm_device *dev,
Dave Airlieb5e89ed2005-09-25 14:28:13 +10001042 int minor,
1043 struct proc_dir_entry *root,
1044 struct proc_dir_entry **dev_root);
1045extern int drm_proc_cleanup(int minor,
1046 struct proc_dir_entry *root,
1047 struct proc_dir_entry *dev_root);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001048
1049 /* Scatter Gather Support (drm_scatter.h) */
Dave Airlie55910512007-07-11 16:53:40 +10001050extern void drm_sg_cleanup(struct drm_sg_mem * entry);
Eric Anholtc153f452007-09-03 12:06:45 +10001051extern int drm_sg_alloc_ioctl(struct drm_device *dev, void *data,
1052 struct drm_file *file_priv);
1053extern int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request);
1054extern int drm_sg_free(struct drm_device *dev, void *data,
1055 struct drm_file *file_priv);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001056
Dave Airlieb5e89ed2005-09-25 14:28:13 +10001057 /* ATI PCIGART support (ati_pcigart.h) */
Dave Airlie84b1fd12007-07-11 15:53:27 +10001058extern int drm_ati_pcigart_init(struct drm_device *dev,
Dave Airlie55910512007-07-11 16:53:40 +10001059 struct drm_ati_pcigart_info * gart_info);
Dave Airlie84b1fd12007-07-11 15:53:27 +10001060extern int drm_ati_pcigart_cleanup(struct drm_device *dev,
Dave Airlie55910512007-07-11 16:53:40 +10001061 struct drm_ati_pcigart_info * gart_info);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001062
Dave Airlie84b1fd12007-07-11 15:53:27 +10001063extern drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size,
Dave Airlie9c8da5e2005-07-10 15:38:56 +10001064 size_t align, dma_addr_t maxaddr);
Dave Airlie84b1fd12007-07-11 15:53:27 +10001065extern void __drm_pci_free(struct drm_device *dev, drm_dma_handle_t * dmah);
1066extern void drm_pci_free(struct drm_device *dev, drm_dma_handle_t * dmah);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001067
1068 /* sysfs support (drm_sysfs.c) */
Jesse Barnese8b962b2007-11-22 14:02:38 +10001069struct drm_sysfs_class;
Greg Kroah-Hartman0650fd52006-01-20 14:08:59 -08001070extern struct class *drm_sysfs_create(struct module *owner, char *name);
Jesse Barnese8b962b2007-11-22 14:02:38 +10001071extern void drm_sysfs_destroy(void);
1072extern int drm_sysfs_device_add(struct drm_device *dev, struct drm_head *head);
1073extern void drm_sysfs_device_remove(struct drm_device *dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001074
Thomas Hellstrom3a1bd922006-08-07 21:30:28 +10001075/*
1076 * Basic memory manager support (drm_mm.c)
1077 */
Dave Airlie55910512007-07-11 16:53:40 +10001078extern struct drm_mm_node *drm_mm_get_block(struct drm_mm_node * parent,
Thomas Hellstrom3a1bd922006-08-07 21:30:28 +10001079 unsigned long size,
1080 unsigned alignment);
Dave Airlie8562b3f2007-11-05 12:37:41 +10001081extern void drm_mm_put_block(struct drm_mm_node * cur);
Dave Airlie55910512007-07-11 16:53:40 +10001082extern struct drm_mm_node *drm_mm_search_free(const struct drm_mm *mm, unsigned long size,
Thomas Hellstrom3a1bd922006-08-07 21:30:28 +10001083 unsigned alignment, int best_match);
Dave Airlie55910512007-07-11 16:53:40 +10001084extern int drm_mm_init(struct drm_mm *mm, unsigned long start, unsigned long size);
1085extern void drm_mm_takedown(struct drm_mm *mm);
1086extern int drm_mm_clean(struct drm_mm *mm);
1087extern unsigned long drm_mm_tail_space(struct drm_mm *mm);
1088extern int drm_mm_remove_space_from_tail(struct drm_mm *mm, unsigned long size);
1089extern int drm_mm_add_space_to_tail(struct drm_mm *mm, unsigned long size);
Thomas Hellstrom3a1bd922006-08-07 21:30:28 +10001090
Christoph Hellwig004a7722007-01-08 21:56:59 +11001091extern void drm_core_ioremap(struct drm_map *map, struct drm_device *dev);
1092extern void drm_core_ioremapfree(struct drm_map *map, struct drm_device *dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001093
Dave Airlieb5e89ed2005-09-25 14:28:13 +10001094static __inline__ struct drm_map *drm_core_findmap(struct drm_device *dev,
1095 unsigned int token)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001096{
Dave Airlie55910512007-07-11 16:53:40 +10001097 struct drm_map_list *_entry;
Dave Airliebd1b3312007-05-26 05:01:51 +10001098 list_for_each_entry(_entry, &dev->maplist, head)
Dave Airlieb5e89ed2005-09-25 14:28:13 +10001099 if (_entry->user_token == token)
1100 return _entry->map;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001101 return NULL;
1102}
1103
Dave Airlie84b1fd12007-07-11 15:53:27 +10001104static __inline__ int drm_device_is_agp(struct drm_device *dev)
Dave Airliecda17382005-07-10 17:31:26 +10001105{
Dave Airlieb5e89ed2005-09-25 14:28:13 +10001106 if (dev->driver->device_is_agp != NULL) {
1107 int err = (*dev->driver->device_is_agp) (dev);
1108
Dave Airliecda17382005-07-10 17:31:26 +10001109 if (err != 2) {
1110 return err;
1111 }
1112 }
1113
1114 return pci_find_capability(dev->pdev, PCI_CAP_ID_AGP);
1115}
1116
Dave Airlie84b1fd12007-07-11 15:53:27 +10001117static __inline__ int drm_device_is_pcie(struct drm_device *dev)
Dave Airlieea98a922005-09-11 20:28:11 +10001118{
1119 return pci_find_capability(dev->pdev, PCI_CAP_ID_EXP);
1120}
1121
Linus Torvalds1da177e2005-04-16 15:20:36 -07001122static __inline__ void drm_core_dropmap(struct drm_map *map)
1123{
1124}
1125
1126#ifndef DEBUG_MEMORY
1127/** Wrapper around kmalloc() */
1128static __inline__ void *drm_alloc(size_t size, int area)
1129{
1130 return kmalloc(size, GFP_KERNEL);
1131}
1132
1133/** Wrapper around kfree() */
1134static __inline__ void drm_free(void *pt, size_t size, int area)
1135{
1136 kfree(pt);
1137}
Dave Airlieb9523242005-07-07 20:33:26 +10001138
1139/** Wrapper around kcalloc() */
1140static __inline__ void *drm_calloc(size_t nmemb, size_t size, int area)
1141{
1142 return kcalloc(nmemb, size, GFP_KERNEL);
1143}
Linus Torvalds1da177e2005-04-16 15:20:36 -07001144#else
1145extern void *drm_alloc(size_t size, int area);
1146extern void drm_free(void *pt, size_t size, int area);
Dave Airlieb9523242005-07-07 20:33:26 +10001147extern void *drm_calloc(size_t nmemb, size_t size, int area);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001148#endif
1149
1150/*@}*/
1151
Dave Airlieb5e89ed2005-09-25 14:28:13 +10001152#endif /* __KERNEL__ */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001153#endif