]>
Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /** |
b5e89ed5 | 2 | * \file drmP.h |
1da177e4 | 3 | * Private header for Direct Rendering Manager |
b5e89ed5 | 4 | * |
1da177e4 LT |
5 | * \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> | |
b5e89ed5 | 46 | #endif /* __alpha__ */ |
1da177e4 LT |
47 | #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> | |
1da177e4 LT |
55 | #include <linux/jiffies.h> |
56 | #include <linux/smp_lock.h> /* For (un)lock_kernel */ | |
57 | #include <linux/mm.h> | |
58 | #include <linux/cdev.h> | |
30e2fb18 | 59 | #include <linux/mutex.h> |
1da177e4 | 60 | #if defined(__alpha__) || defined(__powerpc__) |
b5e89ed5 | 61 | #include <asm/pgtable.h> /* For pte_wrprotect */ |
1da177e4 LT |
62 | #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 | ||
62968144 DA |
78 | #include <linux/idr.h> |
79 | ||
1da177e4 LT |
80 | #define __OS_HAS_AGP (defined(CONFIG_AGP) || (defined(CONFIG_AGP_MODULE) && defined(MODULE))) |
81 | #define __OS_HAS_MTRR (defined(CONFIG_MTRR)) | |
82 | ||
c153f45f EA |
83 | struct drm_file; |
84 | struct drm_device; | |
85 | ||
1da177e4 | 86 | #include "drm_os_linux.h" |
3a1bd924 | 87 | #include "drm_hashtab.h" |
1da177e4 LT |
88 | |
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 | |
b84397d6 | 104 | #define DRIVER_FB_DMA 0x400 |
776c9443 | 105 | #define DRIVER_IRQ_VBL2 0x800 |
1da177e4 LT |
106 | |
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 | ||
8669cbc5 | 114 | #define DRM_MAGIC_HASH_ORDER 4 /**< Size of key hash table. Must be power of 2. */ |
1da177e4 LT |
115 | #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 | |
1da177e4 LT |
118 | #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 | |
3a1bd924 TH |
144 | #define DRM_MEM_CTXLIST 21 |
145 | #define DRM_MEM_MM 22 | |
146 | #define DRM_MEM_HASHTAB 23 | |
1da177e4 LT |
147 | |
148 | #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) | |
8d153f71 | 149 | #define DRM_MAP_HASH_OFFSET 0x10000000 |
1da177e4 | 150 | |
b5e89ed5 | 151 | /*@}*/ |
1da177e4 | 152 | |
1da177e4 LT |
153 | /***********************************************************************/ |
154 | /** \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. | |
b5e89ed5 | 181 | * |
1da177e4 LT |
182 | * \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 | ||
1da177e4 LT |
209 | /***********************************************************************/ |
210 | /** \name Internal types and structures */ | |
211 | /*@{*/ | |
212 | ||
99a2657a | 213 | #define DRM_ARRAY_SIZE(x) ARRAY_SIZE(x) |
1da177e4 LT |
214 | |
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 | */ | |
c153f45f | 237 | #define LOCK_TEST_WITH_RETURN( dev, file_priv ) \ |
1da177e4 LT |
238 | do { \ |
239 | if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || \ | |
c153f45f EA |
240 | 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 ); \ | |
1da177e4 LT |
244 | 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 | } | |
b5e89ed5 | 259 | |
1da177e4 LT |
260 | /** |
261 | * Ioctl function type. | |
262 | * | |
263 | * \param inode device inode. | |
6c340eac | 264 | * \param file_priv DRM file private pointer. |
1da177e4 LT |
265 | * \param cmd command. |
266 | * \param arg argument. | |
267 | */ | |
c153f45f EA |
268 | typedef int drm_ioctl_t(struct drm_device *dev, void *data, |
269 | struct drm_file *file_priv); | |
1da177e4 | 270 | |
9a186645 DA |
271 | typedef int drm_ioctl_compat_t(struct file *filp, unsigned int cmd, |
272 | unsigned long arg); | |
273 | ||
a7a2cc31 DA |
274 | #define DRM_AUTH 0x1 |
275 | #define DRM_MASTER 0x2 | |
276 | #define DRM_ROOT_ONLY 0x4 | |
277 | ||
c153f45f EA |
278 | struct drm_ioctl_desc { |
279 | unsigned int cmd; | |
b5e89ed5 | 280 | drm_ioctl_t *func; |
a7a2cc31 | 281 | int flags; |
c153f45f EA |
282 | }; |
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} | |
1da177e4 | 290 | |
8fc2fdf4 | 291 | struct drm_magic_entry { |
8669cbc5 | 292 | struct list_head head; |
e0be428e | 293 | struct drm_hash_item hash_item; |
b5e89ed5 | 294 | struct drm_file *priv; |
1da177e4 | 295 | struct drm_magic_entry *next; |
8fc2fdf4 | 296 | }; |
1da177e4 | 297 | |
8fc2fdf4 | 298 | struct drm_vma_entry { |
bd1b331f | 299 | struct list_head head; |
1da177e4 | 300 | struct vm_area_struct *vma; |
b5e89ed5 | 301 | pid_t pid; |
8fc2fdf4 | 302 | }; |
1da177e4 LT |
303 | |
304 | /** | |
305 | * DMA buffer. | |
306 | */ | |
056219e2 | 307 | struct drm_buf { |
b5e89ed5 DA |
308 | int idx; /**< Index into master buflist */ |
309 | int total; /**< Buffer size */ | |
310 | int order; /**< log-base-2(total) */ | |
311 | int used; /**< Amount of buffer in use (for DMA) */ | |
312 | unsigned long offset; /**< Byte offset (used internally) */ | |
313 | void *address; /**< Address of buffer */ | |
314 | unsigned long bus_address; /**< Bus address of buffer */ | |
315 | struct drm_buf *next; /**< Kernel-only: used for free list */ | |
316 | __volatile__ int waiting; /**< On kernel DMA queue */ | |
317 | __volatile__ int pending; /**< On hardware DMA queue */ | |
1da177e4 | 318 | wait_queue_head_t dma_wait; /**< Processes waiting */ |
6c340eac | 319 | struct drm_file *file_priv; /**< Private of holding file descr */ |
b5e89ed5 DA |
320 | int context; /**< Kernel queue for this buffer */ |
321 | int while_locked; /**< Dispatch this buffer while locked */ | |
1da177e4 | 322 | enum { |
b5e89ed5 DA |
323 | DRM_LIST_NONE = 0, |
324 | DRM_LIST_FREE = 1, | |
325 | DRM_LIST_WAIT = 2, | |
326 | DRM_LIST_PEND = 3, | |
327 | DRM_LIST_PRIO = 4, | |
1da177e4 | 328 | DRM_LIST_RECLAIM = 5 |
b5e89ed5 | 329 | } list; /**< Which list we're on */ |
1da177e4 | 330 | |
b5e89ed5 DA |
331 | int dev_priv_size; /**< Size of buffer private storage */ |
332 | void *dev_private; /**< Per-buffer private storage */ | |
056219e2 | 333 | }; |
1da177e4 | 334 | |
1da177e4 | 335 | /** bufs is one longer than it has to be */ |
cdd55a29 | 336 | struct drm_waitlist { |
b5e89ed5 | 337 | int count; /**< Number of possible buffers */ |
056219e2 DA |
338 | struct drm_buf **bufs; /**< List of pointers to buffers */ |
339 | struct drm_buf **rp; /**< Read pointer */ | |
340 | struct drm_buf **wp; /**< Write pointer */ | |
341 | struct drm_buf **end; /**< End pointer */ | |
b5e89ed5 DA |
342 | spinlock_t read_lock; |
343 | spinlock_t write_lock; | |
cdd55a29 | 344 | }; |
1da177e4 | 345 | |
cdd55a29 | 346 | struct drm_freelist { |
b5e89ed5 DA |
347 | int initialized; /**< Freelist in use */ |
348 | atomic_t count; /**< Number of free buffers */ | |
056219e2 | 349 | struct drm_buf *next; /**< End pointer */ |
1da177e4 LT |
350 | |
351 | wait_queue_head_t waiting; /**< Processes waiting on free bufs */ | |
b5e89ed5 DA |
352 | int low_mark; /**< Low water mark */ |
353 | int high_mark; /**< High water mark */ | |
354 | atomic_t wfh; /**< If waiting for high mark */ | |
355 | spinlock_t lock; | |
cdd55a29 | 356 | }; |
1da177e4 | 357 | |
ddf19b97 DA |
358 | typedef struct drm_dma_handle { |
359 | dma_addr_t busaddr; | |
360 | void *vaddr; | |
361 | size_t size; | |
362 | } drm_dma_handle_t; | |
363 | ||
1da177e4 LT |
364 | /** |
365 | * Buffer entry. There is one of this for each buffer size order. | |
366 | */ | |
cdd55a29 | 367 | struct drm_buf_entry { |
b5e89ed5 DA |
368 | int buf_size; /**< size */ |
369 | int buf_count; /**< number of buffers */ | |
056219e2 | 370 | struct drm_buf *buflist; /**< buffer list */ |
b5e89ed5 DA |
371 | int seg_count; |
372 | int page_order; | |
cdd55a29 | 373 | struct drm_dma_handle **seglist; |
b5e89ed5 | 374 | |
cdd55a29 DA |
375 | struct drm_freelist freelist; |
376 | }; | |
1da177e4 LT |
377 | |
378 | /** File private data */ | |
84b1fd10 | 379 | struct drm_file { |
b5e89ed5 | 380 | int authenticated; |
a7a2cc31 | 381 | int master; |
b5e89ed5 DA |
382 | int minor; |
383 | pid_t pid; | |
384 | uid_t uid; | |
385 | drm_magic_t magic; | |
386 | unsigned long ioctl_count; | |
bd1b331f | 387 | struct list_head lhead; |
b5e89ed5 DA |
388 | struct drm_head *head; |
389 | int remove_auth_on_close; | |
390 | unsigned long lock_count; | |
391 | void *driver_priv; | |
6c340eac | 392 | struct file *filp; |
84b1fd10 | 393 | }; |
1da177e4 LT |
394 | |
395 | /** Wait queue */ | |
cdd55a29 | 396 | struct drm_queue { |
b5e89ed5 DA |
397 | atomic_t use_count; /**< Outstanding uses (+1) */ |
398 | atomic_t finalization; /**< Finalization in progress */ | |
399 | atomic_t block_count; /**< Count of processes waiting */ | |
400 | atomic_t block_read; /**< Queue blocked for reads */ | |
1da177e4 | 401 | wait_queue_head_t read_queue; /**< Processes waiting on block_read */ |
b5e89ed5 | 402 | atomic_t block_write; /**< Queue blocked for writes */ |
1da177e4 LT |
403 | wait_queue_head_t write_queue; /**< Processes waiting on block_write */ |
404 | #if 1 | |
b5e89ed5 DA |
405 | atomic_t total_queued; /**< Total queued statistic */ |
406 | atomic_t total_flushed; /**< Total flushes statistic */ | |
407 | atomic_t total_locks; /**< Total locks statistics */ | |
1da177e4 | 408 | #endif |
c60ce623 | 409 | enum drm_ctx_flags flags; /**< Context preserving and 2D-only */ |
cdd55a29 | 410 | struct drm_waitlist waitlist; /**< Pending buffers */ |
1da177e4 | 411 | wait_queue_head_t flush_queue; /**< Processes waiting until flush */ |
cdd55a29 | 412 | }; |
1da177e4 LT |
413 | |
414 | /** | |
415 | * Lock data. | |
416 | */ | |
55910517 | 417 | struct drm_lock_data { |
c60ce623 | 418 | struct drm_hw_lock *hw_lock; /**< Hardware lock */ |
6c340eac | 419 | struct drm_file *file_priv; /**< File descr of lock holder (0=kernel) */ |
1da177e4 | 420 | wait_queue_head_t lock_queue; /**< Queue of blocked processes */ |
b5e89ed5 | 421 | unsigned long lock_time; /**< Time of last lock in jiffies */ |
040ac320 TH |
422 | spinlock_t spinlock; |
423 | uint32_t kernel_waiters; | |
424 | uint32_t user_waiters; | |
425 | int idle_has_lock; | |
55910517 | 426 | }; |
1da177e4 LT |
427 | |
428 | /** | |
429 | * DMA data. | |
430 | */ | |
cdd55a29 | 431 | struct drm_device_dma { |
1da177e4 | 432 | |
cdd55a29 | 433 | struct drm_buf_entry bufs[DRM_MAX_ORDER + 1]; /**< buffers, grouped by their size order */ |
b5e89ed5 | 434 | int buf_count; /**< total number of buffers */ |
056219e2 | 435 | struct drm_buf **buflist; /**< Vector of pointers into drm_device_dma::bufs */ |
b5e89ed5 DA |
436 | int seg_count; |
437 | int page_count; /**< number of pages */ | |
438 | unsigned long *pagelist; /**< page list */ | |
439 | unsigned long byte_count; | |
1da177e4 LT |
440 | enum { |
441 | _DRM_DMA_USE_AGP = 0x01, | |
b5e89ed5 | 442 | _DRM_DMA_USE_SG = 0x02, |
3417f33e GS |
443 | _DRM_DMA_USE_FB = 0x04, |
444 | _DRM_DMA_USE_PCI_RO = 0x08 | |
1da177e4 LT |
445 | } flags; |
446 | ||
cdd55a29 | 447 | }; |
1da177e4 | 448 | |
b5e89ed5 | 449 | /** |
1da177e4 LT |
450 | * AGP memory entry. Stored as a doubly linked list. |
451 | */ | |
55910517 | 452 | struct drm_agp_mem { |
b5e89ed5 DA |
453 | unsigned long handle; /**< handle */ |
454 | DRM_AGP_MEM *memory; | |
455 | unsigned long bound; /**< address */ | |
456 | int pages; | |
bd1b331f | 457 | struct list_head head; |
55910517 | 458 | }; |
1da177e4 LT |
459 | |
460 | /** | |
461 | * AGP data. | |
462 | * | |
463 | * \sa drm_agp_init() and drm_device::agp. | |
464 | */ | |
55910517 | 465 | struct drm_agp_head { |
b5e89ed5 | 466 | DRM_AGP_KERN agp_info; /**< AGP device information */ |
bd1b331f | 467 | struct list_head memory; |
b5e89ed5 DA |
468 | unsigned long mode; /**< AGP mode */ |
469 | struct agp_bridge_data *bridge; | |
470 | int enabled; /**< whether the AGP bus as been enabled */ | |
471 | int acquired; /**< whether the AGP device has been acquired */ | |
472 | unsigned long base; | |
473 | int agp_mtrr; | |
474 | int cant_use_aperture; | |
475 | unsigned long page_mask; | |
55910517 | 476 | }; |
1da177e4 LT |
477 | |
478 | /** | |
479 | * Scatter-gather memory. | |
480 | */ | |
55910517 | 481 | struct drm_sg_mem { |
b5e89ed5 DA |
482 | unsigned long handle; |
483 | void *virtual; | |
484 | int pages; | |
485 | struct page **pagelist; | |
486 | dma_addr_t *busaddr; | |
55910517 | 487 | }; |
1da177e4 | 488 | |
55910517 | 489 | struct drm_sigdata { |
b5e89ed5 | 490 | int context; |
c60ce623 | 491 | struct drm_hw_lock *lock; |
55910517 | 492 | }; |
1da177e4 LT |
493 | |
494 | /** | |
495 | * Mappings list | |
496 | */ | |
55910517 | 497 | struct drm_map_list { |
b5e89ed5 | 498 | struct list_head head; /**< list head */ |
e0be428e | 499 | struct drm_hash_item hash; |
c60ce623 | 500 | struct drm_map *map; /**< mapping */ |
d1f2b55a | 501 | unsigned int user_token; |
55910517 | 502 | }; |
1da177e4 | 503 | |
c60ce623 | 504 | typedef struct drm_map drm_local_map_t; |
1da177e4 LT |
505 | |
506 | /** | |
507 | * Context handle list | |
508 | */ | |
55910517 | 509 | struct drm_ctx_list { |
b5e89ed5 DA |
510 | struct list_head head; /**< list head */ |
511 | drm_context_t handle; /**< context handle */ | |
84b1fd10 | 512 | struct drm_file *tag; /**< associated fd private data */ |
55910517 | 513 | }; |
1da177e4 | 514 | |
55910517 | 515 | struct drm_vbl_sig { |
b5e89ed5 DA |
516 | struct list_head head; |
517 | unsigned int sequence; | |
518 | struct siginfo info; | |
519 | struct task_struct *task; | |
55910517 | 520 | }; |
1da177e4 | 521 | |
ea98a92f DA |
522 | /* location of GART table */ |
523 | #define DRM_ATI_GART_MAIN 1 | |
524 | #define DRM_ATI_GART_FB 2 | |
525 | ||
f2b04cd2 DA |
526 | #define DRM_ATI_GART_PCI 1 |
527 | #define DRM_ATI_GART_PCIE 2 | |
528 | #define DRM_ATI_GART_IGP 3 | |
529 | ||
55910517 | 530 | struct drm_ati_pcigart_info { |
ea98a92f | 531 | int gart_table_location; |
f2b04cd2 | 532 | int gart_reg_if; |
f26c473c | 533 | void *addr; |
ea98a92f | 534 | dma_addr_t bus_addr; |
f26c473c | 535 | drm_local_map_t mapping; |
f2b04cd2 | 536 | int table_size; |
55910517 | 537 | }; |
ea98a92f | 538 | |
3a1bd924 TH |
539 | /* |
540 | * Generic memory manager structs | |
541 | */ | |
55910517 | 542 | struct drm_mm_node { |
3a1bd924 TH |
543 | struct list_head fl_entry; |
544 | struct list_head ml_entry; | |
545 | int free; | |
546 | unsigned long start; | |
547 | unsigned long size; | |
1d58420b | 548 | struct drm_mm *mm; |
3a1bd924 | 549 | void *private; |
55910517 | 550 | }; |
3a1bd924 | 551 | |
55910517 | 552 | struct drm_mm { |
1d58420b TH |
553 | struct list_head fl_entry; |
554 | struct list_head ml_entry; | |
55910517 | 555 | }; |
3a1bd924 | 556 | |
1da177e4 LT |
557 | /** |
558 | * DRM driver structure. This structure represent the common code for | |
559 | * a family of cards. There will one drm_device for each card present | |
560 | * in this family | |
561 | */ | |
1da177e4 | 562 | struct drm_driver { |
22eae947 DA |
563 | int (*load) (struct drm_device *, unsigned long flags); |
564 | int (*firstopen) (struct drm_device *); | |
84b1fd10 | 565 | int (*open) (struct drm_device *, struct drm_file *); |
6c340eac | 566 | void (*preclose) (struct drm_device *, struct drm_file *file_priv); |
84b1fd10 | 567 | void (*postclose) (struct drm_device *, struct drm_file *); |
22eae947 DA |
568 | void (*lastclose) (struct drm_device *); |
569 | int (*unload) (struct drm_device *); | |
c153f45f | 570 | int (*dma_ioctl) (struct drm_device *dev, void *data, struct drm_file *file_priv); |
b5e89ed5 DA |
571 | void (*dma_ready) (struct drm_device *); |
572 | int (*dma_quiescent) (struct drm_device *); | |
84b1fd10 DA |
573 | int (*context_ctor) (struct drm_device *dev, int context); |
574 | int (*context_dtor) (struct drm_device *dev, int context); | |
575 | int (*kernel_context_switch) (struct drm_device *dev, int old, | |
b5e89ed5 | 576 | int new); |
84b1fd10 DA |
577 | void (*kernel_context_switch_unlock) (struct drm_device *dev); |
578 | int (*vblank_wait) (struct drm_device *dev, unsigned int *sequence); | |
579 | int (*vblank_wait2) (struct drm_device *dev, unsigned int *sequence); | |
732052ed | 580 | int (*dri_library_name) (struct drm_device *dev, char *buf); |
b5e89ed5 | 581 | |
cda17380 DA |
582 | /** |
583 | * Called by \c drm_device_is_agp. Typically used to determine if a | |
584 | * card is really attached to AGP or not. | |
585 | * | |
586 | * \param dev DRM device handle | |
587 | * | |
588 | * \returns | |
589 | * One of three values is returned depending on whether or not the | |
590 | * card is absolutely \b not AGP (return of 0), absolutely \b is AGP | |
591 | * (return of 1), or may or may not be AGP (return of 2). | |
592 | */ | |
84b1fd10 | 593 | int (*device_is_agp) (struct drm_device *dev); |
cda17380 | 594 | |
1da177e4 | 595 | /* these have to be filled in */ |
b5e89ed5 | 596 | |
22eae947 | 597 | irqreturn_t(*irq_handler) (DRM_IRQ_ARGS); |
84b1fd10 DA |
598 | void (*irq_preinstall) (struct drm_device *dev); |
599 | void (*irq_postinstall) (struct drm_device *dev); | |
600 | void (*irq_uninstall) (struct drm_device *dev); | |
6c340eac EA |
601 | void (*reclaim_buffers) (struct drm_device *dev, |
602 | struct drm_file * file_priv); | |
d985c108 | 603 | void (*reclaim_buffers_locked) (struct drm_device *dev, |
6c340eac | 604 | struct drm_file *file_priv); |
040ac320 | 605 | void (*reclaim_buffers_idlelocked) (struct drm_device *dev, |
6c340eac | 606 | struct drm_file *file_priv); |
c60ce623 | 607 | unsigned long (*get_map_ofs) (struct drm_map * map); |
84b1fd10 DA |
608 | unsigned long (*get_reg_ofs) (struct drm_device *dev); |
609 | void (*set_version) (struct drm_device *dev, | |
c60ce623 | 610 | struct drm_set_version *sv); |
22eae947 DA |
611 | |
612 | int major; | |
613 | int minor; | |
614 | int patchlevel; | |
615 | char *name; | |
616 | char *desc; | |
617 | char *date; | |
618 | ||
1da177e4 LT |
619 | u32 driver_features; |
620 | int dev_priv_size; | |
c153f45f | 621 | struct drm_ioctl_desc *ioctls; |
1da177e4 LT |
622 | int num_ioctls; |
623 | struct file_operations fops; | |
624 | struct pci_driver pci_driver; | |
625 | }; | |
626 | ||
627 | /** | |
628 | * DRM head structure. This structure represent a video head on a card | |
629 | * that may contain multiple heads. Embed one per head of these in the | |
630 | * private drm_device structure. | |
631 | */ | |
84b1fd10 | 632 | struct drm_head { |
1da177e4 LT |
633 | int minor; /**< Minor device number */ |
634 | struct drm_device *dev; | |
635 | struct proc_dir_entry *dev_root; /**< proc directory entry */ | |
636 | dev_t device; /**< Device number for mknod */ | |
637 | struct class_device *dev_class; | |
84b1fd10 | 638 | }; |
1da177e4 LT |
639 | |
640 | /** | |
641 | * DRM device structure. This structure represent a complete card that | |
642 | * may contain multiple heads. | |
643 | */ | |
84b1fd10 | 644 | struct drm_device { |
b5e89ed5 DA |
645 | char *unique; /**< Unique identifier: e.g., busid */ |
646 | int unique_len; /**< Length of unique field */ | |
647 | char *devname; /**< For /proc/interrupts */ | |
648 | int if_version; /**< Highest interface version set */ | |
1da177e4 | 649 | |
b5e89ed5 | 650 | int blocked; /**< Blocked due to VC switch? */ |
1da177e4 LT |
651 | |
652 | /** \name Locks */ | |
b5e89ed5 DA |
653 | /*@{ */ |
654 | spinlock_t count_lock; /**< For inuse, drm_device::open_count, drm_device::buf_use */ | |
30e2fb18 | 655 | struct mutex struct_mutex; /**< For others */ |
b5e89ed5 | 656 | /*@} */ |
1da177e4 LT |
657 | |
658 | /** \name Usage Counters */ | |
b5e89ed5 DA |
659 | /*@{ */ |
660 | int open_count; /**< Outstanding files open */ | |
661 | atomic_t ioctl_count; /**< Outstanding IOCTLs pending */ | |
662 | atomic_t vma_count; /**< Outstanding vma areas open */ | |
663 | int buf_use; /**< Buffers in use -- cannot alloc */ | |
664 | atomic_t buf_alloc; /**< Buffer allocation in progress */ | |
665 | /*@} */ | |
1da177e4 LT |
666 | |
667 | /** \name Performance counters */ | |
b5e89ed5 DA |
668 | /*@{ */ |
669 | unsigned long counters; | |
c60ce623 | 670 | enum drm_stat_type types[15]; |
b5e89ed5 DA |
671 | atomic_t counts[15]; |
672 | /*@} */ | |
1da177e4 LT |
673 | |
674 | /** \name Authentication */ | |
b5e89ed5 | 675 | /*@{ */ |
bd1b331f | 676 | struct list_head filelist; |
e0be428e | 677 | struct drm_open_hash magiclist; /**< magic hash table */ |
8669cbc5 | 678 | struct list_head magicfree; |
b5e89ed5 | 679 | /*@} */ |
1da177e4 LT |
680 | |
681 | /** \name Memory management */ | |
b5e89ed5 | 682 | /*@{ */ |
bd1b331f | 683 | struct list_head maplist; /**< Linked list of regions */ |
b5e89ed5 | 684 | int map_count; /**< Number of mappable regions */ |
e0be428e | 685 | struct drm_open_hash map_hash; /**< User token hash table for maps */ |
1da177e4 LT |
686 | |
687 | /** \name Context handle management */ | |
b5e89ed5 | 688 | /*@{ */ |
bd1b331f | 689 | struct list_head ctxlist; /**< Linked list of context handles */ |
b5e89ed5 | 690 | int ctx_count; /**< Number of context handles */ |
30e2fb18 | 691 | struct mutex ctxlist_mutex; /**< For ctxlist */ |
1da177e4 | 692 | |
62968144 | 693 | struct idr ctx_idr; |
1da177e4 | 694 | |
bd1b331f | 695 | struct list_head vmalist; /**< List of vmas (for debugging) */ |
55910517 | 696 | struct drm_lock_data lock; /**< Information on hardware lock */ |
b5e89ed5 | 697 | /*@} */ |
1da177e4 LT |
698 | |
699 | /** \name DMA queues (contexts) */ | |
b5e89ed5 DA |
700 | /*@{ */ |
701 | int queue_count; /**< Number of active DMA queues */ | |
702 | int queue_reserved; /**< Number of reserved DMA queues */ | |
703 | int queue_slots; /**< Actual length of queuelist */ | |
cdd55a29 DA |
704 | struct drm_queue **queuelist; /**< Vector of pointers to DMA queues */ |
705 | struct drm_device_dma *dma; /**< Optional pointer for DMA support */ | |
b5e89ed5 | 706 | /*@} */ |
1da177e4 LT |
707 | |
708 | /** \name Context support */ | |
b5e89ed5 DA |
709 | /*@{ */ |
710 | int irq; /**< Interrupt used by board */ | |
711 | int irq_enabled; /**< True if irq handler is enabled */ | |
1da177e4 LT |
712 | __volatile__ long context_flag; /**< Context swapping flag */ |
713 | __volatile__ long interrupt_flag; /**< Interruption handler flag */ | |
714 | __volatile__ long dma_flag; /**< DMA dispatch flag */ | |
715 | struct timer_list timer; /**< Timer for delaying ctx switch */ | |
b5e89ed5 DA |
716 | wait_queue_head_t context_wait; /**< Processes waiting on ctx switch */ |
717 | int last_checked; /**< Last context checked for DMA */ | |
718 | int last_context; /**< Last current context */ | |
719 | unsigned long last_switch; /**< jiffies at last context switch */ | |
720 | /*@} */ | |
721 | ||
722 | struct work_struct work; | |
1da177e4 | 723 | /** \name VBLANK IRQ support */ |
b5e89ed5 DA |
724 | /*@{ */ |
725 | ||
726 | wait_queue_head_t vbl_queue; /**< VBLANK wait queue */ | |
727 | atomic_t vbl_received; | |
776c9443 | 728 | atomic_t vbl_received2; /**< number of secondary VBLANK interrupts */ |
b5e89ed5 | 729 | spinlock_t vbl_lock; |
bd1b331f DA |
730 | struct list_head vbl_sigs; /**< signal list to send on VBLANK */ |
731 | struct list_head vbl_sigs2; /**< signals to send on secondary VBLANK */ | |
b5e89ed5 | 732 | unsigned int vbl_pending; |
2e54a007 MD |
733 | spinlock_t tasklet_lock; /**< For drm_locked_tasklet */ |
734 | void (*locked_tasklet_func)(struct drm_device *dev); | |
b5e89ed5 DA |
735 | |
736 | /*@} */ | |
737 | cycles_t ctx_start; | |
738 | cycles_t lck_start; | |
739 | ||
1da177e4 LT |
740 | struct fasync_struct *buf_async;/**< Processes waiting for SIGIO */ |
741 | wait_queue_head_t buf_readers; /**< Processes waiting to read */ | |
742 | wait_queue_head_t buf_writers; /**< Processes waiting to ctx switch */ | |
743 | ||
55910517 | 744 | struct drm_agp_head *agp; /**< AGP data */ |
1da177e4 | 745 | |
b5e89ed5 | 746 | struct pci_dev *pdev; /**< PCI device structure */ |
2f02cc3f EA |
747 | int pci_vendor; /**< PCI vendor id */ |
748 | int pci_device; /**< PCI device id */ | |
1da177e4 | 749 | #ifdef __alpha__ |
1da177e4 | 750 | struct pci_controller *hose; |
1da177e4 | 751 | #endif |
55910517 | 752 | struct drm_sg_mem *sg; /**< Scatter gather memory */ |
b5e89ed5 DA |
753 | unsigned long *ctx_bitmap; /**< context bitmap */ |
754 | void *dev_private; /**< device private data */ | |
55910517 | 755 | struct drm_sigdata sigdata; /**< For block_all_signals */ |
b5e89ed5 DA |
756 | sigset_t sigmask; |
757 | ||
758 | struct drm_driver *driver; | |
759 | drm_local_map_t *agp_buffer_map; | |
d1f2b55a | 760 | unsigned int agp_buffer_token; |
84b1fd10 | 761 | struct drm_head primary; /**< primary screen head */ |
bea5679f MD |
762 | |
763 | /** \name Drawable information */ | |
764 | /*@{ */ | |
765 | spinlock_t drw_lock; | |
d4e2cbe9 | 766 | struct idr drw_idr; |
bea5679f | 767 | /*@} */ |
84b1fd10 | 768 | }; |
1da177e4 | 769 | |
b5e89ed5 DA |
770 | static __inline__ int drm_core_check_feature(struct drm_device *dev, |
771 | int feature) | |
1da177e4 LT |
772 | { |
773 | return ((dev->driver->driver_features & feature) ? 1 : 0); | |
774 | } | |
775 | ||
33229601 | 776 | #ifdef __alpha__ |
6244270e | 777 | #define drm_get_pci_domain(dev) dev->hose->index |
33229601 | 778 | #else |
9b1a51b6 | 779 | #define drm_get_pci_domain(dev) 0 |
33229601 DA |
780 | #endif |
781 | ||
1da177e4 LT |
782 | #if __OS_HAS_AGP |
783 | static inline int drm_core_has_AGP(struct drm_device *dev) | |
784 | { | |
b5e89ed5 | 785 | return drm_core_check_feature(dev, DRIVER_USE_AGP); |
1da177e4 LT |
786 | } |
787 | #else | |
788 | #define drm_core_has_AGP(dev) (0) | |
789 | #endif | |
790 | ||
791 | #if __OS_HAS_MTRR | |
792 | static inline int drm_core_has_MTRR(struct drm_device *dev) | |
793 | { | |
b5e89ed5 | 794 | return drm_core_check_feature(dev, DRIVER_USE_MTRR); |
1da177e4 | 795 | } |
269dc512 DA |
796 | |
797 | #define DRM_MTRR_WC MTRR_TYPE_WRCOMB | |
798 | ||
799 | static inline int drm_mtrr_add(unsigned long offset, unsigned long size, | |
800 | unsigned int flags) | |
801 | { | |
802 | return mtrr_add(offset, size, flags, 1); | |
803 | } | |
804 | ||
805 | static inline int drm_mtrr_del(int handle, unsigned long offset, | |
806 | unsigned long size, unsigned int flags) | |
807 | { | |
808 | return mtrr_del(handle, offset, size); | |
809 | } | |
810 | ||
1da177e4 LT |
811 | #else |
812 | #define drm_core_has_MTRR(dev) (0) | |
9c7d462e DA |
813 | |
814 | #define DRM_MTRR_WC 0 | |
815 | ||
816 | static inline int drm_mtrr_add(unsigned long offset, unsigned long size, | |
817 | unsigned int flags) | |
818 | { | |
819 | return 0; | |
820 | } | |
821 | ||
822 | static inline int drm_mtrr_del(int handle, unsigned long offset, | |
823 | unsigned long size, unsigned int flags) | |
824 | { | |
825 | return 0; | |
826 | } | |
1da177e4 LT |
827 | #endif |
828 | ||
829 | /******************************************************************/ | |
830 | /** \name Internal function definitions */ | |
831 | /*@{*/ | |
832 | ||
1da177e4 | 833 | /* Driver support (drm_drv.h) */ |
b5e89ed5 DA |
834 | extern int drm_init(struct drm_driver *driver); |
835 | extern void drm_exit(struct drm_driver *driver); | |
836 | extern int drm_ioctl(struct inode *inode, struct file *filp, | |
837 | unsigned int cmd, unsigned long arg); | |
838 | extern long drm_compat_ioctl(struct file *filp, | |
839 | unsigned int cmd, unsigned long arg); | |
84b1fd10 | 840 | extern int drm_lastclose(struct drm_device *dev); |
1da177e4 LT |
841 | |
842 | /* Device support (drm_fops.h) */ | |
b5e89ed5 DA |
843 | extern int drm_open(struct inode *inode, struct file *filp); |
844 | extern int drm_stub_open(struct inode *inode, struct file *filp); | |
b5e89ed5 DA |
845 | extern int drm_fasync(int fd, struct file *filp, int on); |
846 | extern int drm_release(struct inode *inode, struct file *filp); | |
1da177e4 LT |
847 | |
848 | /* Mapping support (drm_vm.h) */ | |
b5e89ed5 DA |
849 | extern int drm_mmap(struct file *filp, struct vm_area_struct *vma); |
850 | extern unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait); | |
1da177e4 LT |
851 | |
852 | /* Memory management support (drm_memory.h) */ | |
853 | #include "drm_memory.h" | |
b5e89ed5 DA |
854 | extern void drm_mem_init(void); |
855 | extern int drm_mem_info(char *buf, char **start, off_t offset, | |
856 | int request, int *eof, void *data); | |
857 | extern void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area); | |
b5e89ed5 | 858 | |
84b1fd10 | 859 | extern DRM_AGP_MEM *drm_alloc_agp(struct drm_device *dev, int pages, u32 type); |
b5e89ed5 DA |
860 | extern int drm_free_agp(DRM_AGP_MEM * handle, int pages); |
861 | extern int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start); | |
862 | extern int drm_unbind_agp(DRM_AGP_MEM * handle); | |
1da177e4 LT |
863 | |
864 | /* Misc. IOCTL support (drm_ioctl.h) */ | |
c153f45f EA |
865 | extern int drm_irq_by_busid(struct drm_device *dev, void *data, |
866 | struct drm_file *file_priv); | |
867 | extern int drm_getunique(struct drm_device *dev, void *data, | |
868 | struct drm_file *file_priv); | |
869 | extern int drm_setunique(struct drm_device *dev, void *data, | |
870 | struct drm_file *file_priv); | |
871 | extern int drm_getmap(struct drm_device *dev, void *data, | |
872 | struct drm_file *file_priv); | |
873 | extern int drm_getclient(struct drm_device *dev, void *data, | |
874 | struct drm_file *file_priv); | |
875 | extern int drm_getstats(struct drm_device *dev, void *data, | |
876 | struct drm_file *file_priv); | |
877 | extern int drm_setversion(struct drm_device *dev, void *data, | |
878 | struct drm_file *file_priv); | |
879 | extern int drm_noop(struct drm_device *dev, void *data, | |
880 | struct drm_file *file_priv); | |
1da177e4 LT |
881 | |
882 | /* Context IOCTL support (drm_context.h) */ | |
c153f45f EA |
883 | extern int drm_resctx(struct drm_device *dev, void *data, |
884 | struct drm_file *file_priv); | |
885 | extern int drm_addctx(struct drm_device *dev, void *data, | |
886 | struct drm_file *file_priv); | |
887 | extern int drm_modctx(struct drm_device *dev, void *data, | |
888 | struct drm_file *file_priv); | |
889 | extern int drm_getctx(struct drm_device *dev, void *data, | |
890 | struct drm_file *file_priv); | |
891 | extern int drm_switchctx(struct drm_device *dev, void *data, | |
892 | struct drm_file *file_priv); | |
893 | extern int drm_newctx(struct drm_device *dev, void *data, | |
894 | struct drm_file *file_priv); | |
895 | extern int drm_rmctx(struct drm_device *dev, void *data, | |
896 | struct drm_file *file_priv); | |
b5e89ed5 | 897 | |
84b1fd10 DA |
898 | extern int drm_ctxbitmap_init(struct drm_device *dev); |
899 | extern void drm_ctxbitmap_cleanup(struct drm_device *dev); | |
900 | extern void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle); | |
b5e89ed5 | 901 | |
c153f45f EA |
902 | extern int drm_setsareactx(struct drm_device *dev, void *data, |
903 | struct drm_file *file_priv); | |
904 | extern int drm_getsareactx(struct drm_device *dev, void *data, | |
905 | struct drm_file *file_priv); | |
1da177e4 LT |
906 | |
907 | /* Drawable IOCTL support (drm_drawable.h) */ | |
c153f45f EA |
908 | extern int drm_adddraw(struct drm_device *dev, void *data, |
909 | struct drm_file *file_priv); | |
910 | extern int drm_rmdraw(struct drm_device *dev, void *data, | |
911 | struct drm_file *file_priv); | |
912 | extern int drm_update_drawable_info(struct drm_device *dev, void *data, | |
913 | struct drm_file *file_priv); | |
84b1fd10 | 914 | extern struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev, |
bea5679f | 915 | drm_drawable_t id); |
d4e2cbe9 | 916 | extern void drm_drawable_free_all(struct drm_device *dev); |
1da177e4 LT |
917 | |
918 | /* Authentication IOCTL support (drm_auth.h) */ | |
c153f45f EA |
919 | extern int drm_getmagic(struct drm_device *dev, void *data, |
920 | struct drm_file *file_priv); | |
921 | extern int drm_authmagic(struct drm_device *dev, void *data, | |
922 | struct drm_file *file_priv); | |
1da177e4 | 923 | |
1da177e4 | 924 | /* Locking IOCTL support (drm_lock.h) */ |
c153f45f EA |
925 | extern int drm_lock(struct drm_device *dev, void *data, |
926 | struct drm_file *file_priv); | |
927 | extern int drm_unlock(struct drm_device *dev, void *data, | |
928 | struct drm_file *file_priv); | |
55910517 DA |
929 | extern int drm_lock_take(struct drm_lock_data *lock_data, unsigned int context); |
930 | extern int drm_lock_free(struct drm_lock_data *lock_data, unsigned int context); | |
931 | extern void drm_idlelock_take(struct drm_lock_data *lock_data); | |
932 | extern void drm_idlelock_release(struct drm_lock_data *lock_data); | |
040ac320 TH |
933 | |
934 | /* | |
935 | * These are exported to drivers so that they can implement fencing using | |
936 | * DMA quiscent + idle. DMA quiescent usually requires the hardware lock. | |
937 | */ | |
938 | ||
c153f45f | 939 | extern int drm_i_have_hw_lock(struct drm_device *dev, struct drm_file *file_priv); |
1da177e4 LT |
940 | |
941 | /* Buffer management support (drm_bufs.h) */ | |
84b1fd10 DA |
942 | extern int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc * request); |
943 | extern int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc * request); | |
944 | extern int drm_addmap(struct drm_device *dev, unsigned int offset, | |
c60ce623 DA |
945 | unsigned int size, enum drm_map_type type, |
946 | enum drm_map_flags flags, drm_local_map_t ** map_ptr); | |
c153f45f EA |
947 | extern int drm_addmap_ioctl(struct drm_device *dev, void *data, |
948 | struct drm_file *file_priv); | |
949 | extern int drm_rmmap(struct drm_device *dev, drm_local_map_t *map); | |
950 | extern int drm_rmmap_locked(struct drm_device *dev, drm_local_map_t *map); | |
951 | extern int drm_rmmap_ioctl(struct drm_device *dev, void *data, | |
952 | struct drm_file *file_priv); | |
953 | extern int drm_addbufs(struct drm_device *dev, void *data, | |
954 | struct drm_file *file_priv); | |
955 | extern int drm_infobufs(struct drm_device *dev, void *data, | |
956 | struct drm_file *file_priv); | |
957 | extern int drm_markbufs(struct drm_device *dev, void *data, | |
958 | struct drm_file *file_priv); | |
959 | extern int drm_freebufs(struct drm_device *dev, void *data, | |
960 | struct drm_file *file_priv); | |
961 | extern int drm_mapbufs(struct drm_device *dev, void *data, | |
962 | struct drm_file *file_priv); | |
b5e89ed5 | 963 | extern int drm_order(unsigned long size); |
84b1fd10 | 964 | extern unsigned long drm_get_resource_start(struct drm_device *dev, |
836cf046 | 965 | unsigned int resource); |
84b1fd10 | 966 | extern unsigned long drm_get_resource_len(struct drm_device *dev, |
836cf046 | 967 | unsigned int resource); |
1da177e4 LT |
968 | |
969 | /* DMA support (drm_dma.h) */ | |
84b1fd10 DA |
970 | extern int drm_dma_setup(struct drm_device *dev); |
971 | extern void drm_dma_takedown(struct drm_device *dev); | |
056219e2 | 972 | extern void drm_free_buffer(struct drm_device *dev, struct drm_buf * buf); |
6c340eac EA |
973 | extern void drm_core_reclaim_buffers(struct drm_device *dev, |
974 | struct drm_file *filp); | |
1da177e4 LT |
975 | |
976 | /* IRQ support (drm_irq.h) */ | |
c153f45f EA |
977 | extern int drm_control(struct drm_device *dev, void *data, |
978 | struct drm_file *file_priv); | |
b5e89ed5 | 979 | extern irqreturn_t drm_irq_handler(DRM_IRQ_ARGS); |
84b1fd10 DA |
980 | extern int drm_irq_uninstall(struct drm_device *dev); |
981 | extern void drm_driver_irq_preinstall(struct drm_device *dev); | |
982 | extern void drm_driver_irq_postinstall(struct drm_device *dev); | |
983 | extern void drm_driver_irq_uninstall(struct drm_device *dev); | |
b5e89ed5 | 984 | |
c153f45f EA |
985 | extern int drm_wait_vblank(struct drm_device *dev, void *data, |
986 | struct drm_file *file_priv); | |
84b1fd10 DA |
987 | extern int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq); |
988 | extern void drm_vbl_send_signals(struct drm_device *dev); | |
989 | extern void drm_locked_tasklet(struct drm_device *dev, void(*func)(struct drm_device*)); | |
1da177e4 LT |
990 | |
991 | /* AGP/GART support (drm_agpsupport.h) */ | |
55910517 | 992 | extern struct drm_agp_head *drm_agp_init(struct drm_device *dev); |
84b1fd10 | 993 | extern int drm_agp_acquire(struct drm_device *dev); |
c153f45f EA |
994 | extern int drm_agp_acquire_ioctl(struct drm_device *dev, void *data, |
995 | struct drm_file *file_priv); | |
84b1fd10 | 996 | extern int drm_agp_release(struct drm_device *dev); |
c153f45f EA |
997 | extern int drm_agp_release_ioctl(struct drm_device *dev, void *data, |
998 | struct drm_file *file_priv); | |
84b1fd10 | 999 | extern int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode); |
c153f45f EA |
1000 | extern int drm_agp_enable_ioctl(struct drm_device *dev, void *data, |
1001 | struct drm_file *file_priv); | |
1002 | extern int drm_agp_info(struct drm_device *dev, struct drm_agp_info *info); | |
1003 | extern int drm_agp_info_ioctl(struct drm_device *dev, void *data, | |
1004 | struct drm_file *file_priv); | |
84b1fd10 | 1005 | extern int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request); |
c153f45f EA |
1006 | extern int drm_agp_alloc_ioctl(struct drm_device *dev, void *data, |
1007 | struct drm_file *file_priv); | |
84b1fd10 | 1008 | extern int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request); |
c153f45f EA |
1009 | extern int drm_agp_free_ioctl(struct drm_device *dev, void *data, |
1010 | struct drm_file *file_priv); | |
84b1fd10 | 1011 | extern int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request); |
c153f45f EA |
1012 | extern int drm_agp_unbind_ioctl(struct drm_device *dev, void *data, |
1013 | struct drm_file *file_priv); | |
84b1fd10 | 1014 | extern int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request); |
c153f45f EA |
1015 | extern int drm_agp_bind_ioctl(struct drm_device *dev, void *data, |
1016 | struct drm_file *file_priv); | |
1017 | extern DRM_AGP_MEM *drm_agp_allocate_memory(struct agp_bridge_data *bridge, size_t pages, u32 type); | |
b5e89ed5 DA |
1018 | extern int drm_agp_free_memory(DRM_AGP_MEM * handle); |
1019 | extern int drm_agp_bind_memory(DRM_AGP_MEM * handle, off_t start); | |
1020 | extern int drm_agp_unbind_memory(DRM_AGP_MEM * handle); | |
1da177e4 LT |
1021 | |
1022 | /* Stub support (drm_stub.h) */ | |
1023 | extern int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent, | |
b5e89ed5 | 1024 | struct drm_driver *driver); |
84b1fd10 DA |
1025 | extern int drm_put_dev(struct drm_device *dev); |
1026 | extern int drm_put_head(struct drm_head *head); | |
b5e89ed5 DA |
1027 | extern unsigned int drm_debug; |
1028 | extern unsigned int drm_cards_limit; | |
84b1fd10 | 1029 | extern struct drm_head **drm_heads; |
0650fd58 | 1030 | extern struct class *drm_class; |
1da177e4 LT |
1031 | extern struct proc_dir_entry *drm_proc_root; |
1032 | ||
da509d7a DA |
1033 | extern drm_local_map_t *drm_getsarea(struct drm_device *dev); |
1034 | ||
1da177e4 | 1035 | /* Proc support (drm_proc.h) */ |
84b1fd10 | 1036 | extern int drm_proc_init(struct drm_device *dev, |
b5e89ed5 DA |
1037 | int minor, |
1038 | struct proc_dir_entry *root, | |
1039 | struct proc_dir_entry **dev_root); | |
1040 | extern int drm_proc_cleanup(int minor, | |
1041 | struct proc_dir_entry *root, | |
1042 | struct proc_dir_entry *dev_root); | |
1da177e4 LT |
1043 | |
1044 | /* Scatter Gather Support (drm_scatter.h) */ | |
55910517 | 1045 | extern void drm_sg_cleanup(struct drm_sg_mem * entry); |
c153f45f EA |
1046 | extern int drm_sg_alloc_ioctl(struct drm_device *dev, void *data, |
1047 | struct drm_file *file_priv); | |
1048 | extern int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request); | |
1049 | extern int drm_sg_free(struct drm_device *dev, void *data, | |
1050 | struct drm_file *file_priv); | |
1da177e4 | 1051 | |
b5e89ed5 | 1052 | /* ATI PCIGART support (ati_pcigart.h) */ |
84b1fd10 | 1053 | extern int drm_ati_pcigart_init(struct drm_device *dev, |
55910517 | 1054 | struct drm_ati_pcigart_info * gart_info); |
84b1fd10 | 1055 | extern int drm_ati_pcigart_cleanup(struct drm_device *dev, |
55910517 | 1056 | struct drm_ati_pcigart_info * gart_info); |
1da177e4 | 1057 | |
84b1fd10 | 1058 | extern drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size, |
9c8da5eb | 1059 | size_t align, dma_addr_t maxaddr); |
84b1fd10 DA |
1060 | extern void __drm_pci_free(struct drm_device *dev, drm_dma_handle_t * dmah); |
1061 | extern void drm_pci_free(struct drm_device *dev, drm_dma_handle_t * dmah); | |
1da177e4 LT |
1062 | |
1063 | /* sysfs support (drm_sysfs.c) */ | |
0650fd58 GKH |
1064 | extern struct class *drm_sysfs_create(struct module *owner, char *name); |
1065 | extern void drm_sysfs_destroy(struct class *cs); | |
1066 | extern struct class_device *drm_sysfs_device_add(struct class *cs, | |
84b1fd10 | 1067 | struct drm_head *head); |
732052ed | 1068 | extern void drm_sysfs_device_remove(struct class_device *class_dev); |
1da177e4 | 1069 | |
3a1bd924 TH |
1070 | /* |
1071 | * Basic memory manager support (drm_mm.c) | |
1072 | */ | |
55910517 | 1073 | extern struct drm_mm_node *drm_mm_get_block(struct drm_mm_node * parent, |
3a1bd924 TH |
1074 | unsigned long size, |
1075 | unsigned alignment); | |
55910517 DA |
1076 | void drm_mm_put_block(struct drm_mm_node * cur); |
1077 | extern struct drm_mm_node *drm_mm_search_free(const struct drm_mm *mm, unsigned long size, | |
3a1bd924 | 1078 | unsigned alignment, int best_match); |
55910517 DA |
1079 | extern int drm_mm_init(struct drm_mm *mm, unsigned long start, unsigned long size); |
1080 | extern void drm_mm_takedown(struct drm_mm *mm); | |
1081 | extern int drm_mm_clean(struct drm_mm *mm); | |
1082 | extern unsigned long drm_mm_tail_space(struct drm_mm *mm); | |
1083 | extern int drm_mm_remove_space_from_tail(struct drm_mm *mm, unsigned long size); | |
1084 | extern int drm_mm_add_space_to_tail(struct drm_mm *mm, unsigned long size); | |
3a1bd924 | 1085 | |
004a7727 CH |
1086 | extern void drm_core_ioremap(struct drm_map *map, struct drm_device *dev); |
1087 | extern void drm_core_ioremapfree(struct drm_map *map, struct drm_device *dev); | |
1da177e4 | 1088 | |
b5e89ed5 DA |
1089 | static __inline__ struct drm_map *drm_core_findmap(struct drm_device *dev, |
1090 | unsigned int token) | |
1da177e4 | 1091 | { |
55910517 | 1092 | struct drm_map_list *_entry; |
bd1b331f | 1093 | list_for_each_entry(_entry, &dev->maplist, head) |
b5e89ed5 DA |
1094 | if (_entry->user_token == token) |
1095 | return _entry->map; | |
1da177e4 LT |
1096 | return NULL; |
1097 | } | |
1098 | ||
84b1fd10 | 1099 | static __inline__ int drm_device_is_agp(struct drm_device *dev) |
cda17380 | 1100 | { |
b5e89ed5 DA |
1101 | if (dev->driver->device_is_agp != NULL) { |
1102 | int err = (*dev->driver->device_is_agp) (dev); | |
1103 | ||
cda17380 DA |
1104 | if (err != 2) { |
1105 | return err; | |
1106 | } | |
1107 | } | |
1108 | ||
1109 | return pci_find_capability(dev->pdev, PCI_CAP_ID_AGP); | |
1110 | } | |
1111 | ||
84b1fd10 | 1112 | static __inline__ int drm_device_is_pcie(struct drm_device *dev) |
ea98a92f DA |
1113 | { |
1114 | return pci_find_capability(dev->pdev, PCI_CAP_ID_EXP); | |
1115 | } | |
1116 | ||
1da177e4 LT |
1117 | static __inline__ void drm_core_dropmap(struct drm_map *map) |
1118 | { | |
1119 | } | |
1120 | ||
1121 | #ifndef DEBUG_MEMORY | |
1122 | /** Wrapper around kmalloc() */ | |
1123 | static __inline__ void *drm_alloc(size_t size, int area) | |
1124 | { | |
1125 | return kmalloc(size, GFP_KERNEL); | |
1126 | } | |
1127 | ||
1128 | /** Wrapper around kfree() */ | |
1129 | static __inline__ void drm_free(void *pt, size_t size, int area) | |
1130 | { | |
1131 | kfree(pt); | |
1132 | } | |
b9523249 DA |
1133 | |
1134 | /** Wrapper around kcalloc() */ | |
1135 | static __inline__ void *drm_calloc(size_t nmemb, size_t size, int area) | |
1136 | { | |
1137 | return kcalloc(nmemb, size, GFP_KERNEL); | |
1138 | } | |
1da177e4 LT |
1139 | #else |
1140 | extern void *drm_alloc(size_t size, int area); | |
1141 | extern void drm_free(void *pt, size_t size, int area); | |
b9523249 | 1142 | extern void *drm_calloc(size_t nmemb, size_t size, int area); |
1da177e4 LT |
1143 | #endif |
1144 | ||
1145 | /*@}*/ | |
1146 | ||
c60ce623 | 1147 | extern unsigned long drm_core_get_map_ofs(struct drm_map * map); |
1da177e4 LT |
1148 | extern unsigned long drm_core_get_reg_ofs(struct drm_device *dev); |
1149 | ||
b5e89ed5 | 1150 | #endif /* __KERNEL__ */ |
1da177e4 | 1151 | #endif |