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Diffstat (limited to 'drivers/char/drm/drmP.h')
-rw-r--r-- | drivers/char/drm/drmP.h | 1153 |
1 files changed, 0 insertions, 1153 deletions
diff --git a/drivers/char/drm/drmP.h b/drivers/char/drm/drmP.h deleted file mode 100644 index 0764b662b33..00000000000 --- a/drivers/char/drm/drmP.h +++ /dev/null | |||
@@ -1,1153 +0,0 @@ | |||
1 | /** | ||
2 | * \file drmP.h | ||
3 | * Private header for Direct Rendering Manager | ||
4 | * | ||
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> | ||
46 | #endif /* __alpha__ */ | ||
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> | ||
55 | #include <linux/jiffies.h> | ||
56 | #include <linux/smp_lock.h> /* For (un)lock_kernel */ | ||
57 | #include <linux/dma-mapping.h> | ||
58 | #include <linux/mm.h> | ||
59 | #include <linux/cdev.h> | ||
60 | #include <linux/mutex.h> | ||
61 | #if defined(__alpha__) || defined(__powerpc__) | ||
62 | #include <asm/pgtable.h> /* For pte_wrprotect */ | ||
63 | #endif | ||
64 | #include <asm/io.h> | ||
65 | #include <asm/mman.h> | ||
66 | #include <asm/uaccess.h> | ||
67 | #ifdef CONFIG_MTRR | ||
68 | #include <asm/mtrr.h> | ||
69 | #endif | ||
70 | #if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) | ||
71 | #include <linux/types.h> | ||
72 | #include <linux/agp_backend.h> | ||
73 | #endif | ||
74 | #include <linux/workqueue.h> | ||
75 | #include <linux/poll.h> | ||
76 | #include <asm/pgalloc.h> | ||
77 | #include "drm.h" | ||
78 | |||
79 | #include <linux/idr.h> | ||
80 | |||
81 | #define __OS_HAS_AGP (defined(CONFIG_AGP) || (defined(CONFIG_AGP_MODULE) && defined(MODULE))) | ||
82 | #define __OS_HAS_MTRR (defined(CONFIG_MTRR)) | ||
83 | |||
84 | struct drm_file; | ||
85 | struct drm_device; | ||
86 | |||
87 | #include "drm_os_linux.h" | ||
88 | #include "drm_hashtab.h" | ||
89 | |||
90 | /***********************************************************************/ | ||
91 | /** \name DRM template customization defaults */ | ||
92 | /*@{*/ | ||
93 | |||
94 | /* driver capabilities and requirements mask */ | ||
95 | #define DRIVER_USE_AGP 0x1 | ||
96 | #define DRIVER_REQUIRE_AGP 0x2 | ||
97 | #define DRIVER_USE_MTRR 0x4 | ||
98 | #define DRIVER_PCI_DMA 0x8 | ||
99 | #define DRIVER_SG 0x10 | ||
100 | #define DRIVER_HAVE_DMA 0x20 | ||
101 | #define DRIVER_HAVE_IRQ 0x40 | ||
102 | #define DRIVER_IRQ_SHARED 0x80 | ||
103 | #define DRIVER_IRQ_VBL 0x100 | ||
104 | #define DRIVER_DMA_QUEUE 0x200 | ||
105 | #define DRIVER_FB_DMA 0x400 | ||
106 | #define DRIVER_IRQ_VBL2 0x800 | ||
107 | |||
108 | /***********************************************************************/ | ||
109 | /** \name Begin the DRM... */ | ||
110 | /*@{*/ | ||
111 | |||
112 | #define DRM_DEBUG_CODE 2 /**< Include debugging code if > 1, then | ||
113 | also include looping detection. */ | ||
114 | |||
115 | #define DRM_MAGIC_HASH_ORDER 4 /**< Size of key hash table. Must be power of 2. */ | ||
116 | #define DRM_KERNEL_CONTEXT 0 /**< Change drm_resctx if changed */ | ||
117 | #define DRM_RESERVED_CONTEXTS 1 /**< Change drm_resctx if changed */ | ||
118 | #define DRM_LOOPING_LIMIT 5000000 | ||
119 | #define DRM_TIME_SLICE (HZ/20) /**< Time slice for GLXContexts */ | ||
120 | #define DRM_LOCK_SLICE 1 /**< Time slice for lock, in jiffies */ | ||
121 | |||
122 | #define DRM_FLAG_DEBUG 0x01 | ||
123 | |||
124 | #define DRM_MEM_DMA 0 | ||
125 | #define DRM_MEM_SAREA 1 | ||
126 | #define DRM_MEM_DRIVER 2 | ||
127 | #define DRM_MEM_MAGIC 3 | ||
128 | #define DRM_MEM_IOCTLS 4 | ||
129 | #define DRM_MEM_MAPS 5 | ||
130 | #define DRM_MEM_VMAS 6 | ||
131 | #define DRM_MEM_BUFS 7 | ||
132 | #define DRM_MEM_SEGS 8 | ||
133 | #define DRM_MEM_PAGES 9 | ||
134 | #define DRM_MEM_FILES 10 | ||
135 | #define DRM_MEM_QUEUES 11 | ||
136 | #define DRM_MEM_CMDS 12 | ||
137 | #define DRM_MEM_MAPPINGS 13 | ||
138 | #define DRM_MEM_BUFLISTS 14 | ||
139 | #define DRM_MEM_AGPLISTS 15 | ||
140 | #define DRM_MEM_TOTALAGP 16 | ||
141 | #define DRM_MEM_BOUNDAGP 17 | ||
142 | #define DRM_MEM_CTXBITMAP 18 | ||
143 | #define DRM_MEM_STUB 19 | ||
144 | #define DRM_MEM_SGLISTS 20 | ||
145 | #define DRM_MEM_CTXLIST 21 | ||
146 | #define DRM_MEM_MM 22 | ||
147 | #define DRM_MEM_HASHTAB 23 | ||
148 | |||
149 | #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) | ||
150 | #define DRM_MAP_HASH_OFFSET 0x10000000 | ||
151 | |||
152 | /*@}*/ | ||
153 | |||
154 | /***********************************************************************/ | ||
155 | /** \name Macros to make printk easier */ | ||
156 | /*@{*/ | ||
157 | |||
158 | /** | ||
159 | * Error output. | ||
160 | * | ||
161 | * \param fmt printf() like format string. | ||
162 | * \param arg arguments | ||
163 | */ | ||
164 | #define DRM_ERROR(fmt, arg...) \ | ||
165 | printk(KERN_ERR "[" DRM_NAME ":%s] *ERROR* " fmt , __func__ , ##arg) | ||
166 | |||
167 | /** | ||
168 | * Memory error output. | ||
169 | * | ||
170 | * \param area memory area where the error occurred. | ||
171 | * \param fmt printf() like format string. | ||
172 | * \param arg arguments | ||
173 | */ | ||
174 | #define DRM_MEM_ERROR(area, fmt, arg...) \ | ||
175 | printk(KERN_ERR "[" DRM_NAME ":%s:%s] *ERROR* " fmt , __func__, \ | ||
176 | drm_mem_stats[area].name , ##arg) | ||
177 | |||
178 | #define DRM_INFO(fmt, arg...) printk(KERN_INFO "[" DRM_NAME "] " fmt , ##arg) | ||
179 | |||
180 | /** | ||
181 | * Debug output. | ||
182 | * | ||
183 | * \param fmt printf() like format string. | ||
184 | * \param arg arguments | ||
185 | */ | ||
186 | #if DRM_DEBUG_CODE | ||
187 | #define DRM_DEBUG(fmt, arg...) \ | ||
188 | do { \ | ||
189 | if ( drm_debug ) \ | ||
190 | printk(KERN_DEBUG \ | ||
191 | "[" DRM_NAME ":%s] " fmt , \ | ||
192 | __func__ , ##arg); \ | ||
193 | } while (0) | ||
194 | #else | ||
195 | #define DRM_DEBUG(fmt, arg...) do { } while (0) | ||
196 | #endif | ||
197 | |||
198 | #define DRM_PROC_LIMIT (PAGE_SIZE-80) | ||
199 | |||
200 | #define DRM_PROC_PRINT(fmt, arg...) \ | ||
201 | len += sprintf(&buf[len], fmt , ##arg); \ | ||
202 | if (len > DRM_PROC_LIMIT) { *eof = 1; return len - offset; } | ||
203 | |||
204 | #define DRM_PROC_PRINT_RET(ret, fmt, arg...) \ | ||
205 | len += sprintf(&buf[len], fmt , ##arg); \ | ||
206 | if (len > DRM_PROC_LIMIT) { ret; *eof = 1; return len - offset; } | ||
207 | |||
208 | /*@}*/ | ||
209 | |||
210 | /***********************************************************************/ | ||
211 | /** \name Internal types and structures */ | ||
212 | /*@{*/ | ||
213 | |||
214 | #define DRM_ARRAY_SIZE(x) ARRAY_SIZE(x) | ||
215 | |||
216 | #define DRM_LEFTCOUNT(x) (((x)->rp + (x)->count - (x)->wp) % ((x)->count + 1)) | ||
217 | #define DRM_BUFCOUNT(x) ((x)->count - DRM_LEFTCOUNT(x)) | ||
218 | #define DRM_WAITCOUNT(dev,idx) DRM_BUFCOUNT(&dev->queuelist[idx]->waitlist) | ||
219 | |||
220 | #define DRM_IF_VERSION(maj, min) (maj << 16 | min) | ||
221 | /** | ||
222 | * Get the private SAREA mapping. | ||
223 | * | ||
224 | * \param _dev DRM device. | ||
225 | * \param _ctx context number. | ||
226 | * \param _map output mapping. | ||
227 | */ | ||
228 | #define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \ | ||
229 | (_map) = (_dev)->context_sareas[_ctx]; \ | ||
230 | } while(0) | ||
231 | |||
232 | /** | ||
233 | * Test that the hardware lock is held by the caller, returning otherwise. | ||
234 | * | ||
235 | * \param dev DRM device. | ||
236 | * \param filp file pointer of the caller. | ||
237 | */ | ||
238 | #define LOCK_TEST_WITH_RETURN( dev, file_priv ) \ | ||
239 | do { \ | ||
240 | if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || \ | ||
241 | dev->lock.file_priv != file_priv ) { \ | ||
242 | DRM_ERROR( "%s called without lock held, held %d owner %p %p\n",\ | ||
243 | __func__, _DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ),\ | ||
244 | dev->lock.file_priv, file_priv ); \ | ||
245 | return -EINVAL; \ | ||
246 | } \ | ||
247 | } while (0) | ||
248 | |||
249 | /** | ||
250 | * Copy and IOCTL return string to user space | ||
251 | */ | ||
252 | #define DRM_COPY( name, value ) \ | ||
253 | len = strlen( value ); \ | ||
254 | if ( len > name##_len ) len = name##_len; \ | ||
255 | name##_len = strlen( value ); \ | ||
256 | if ( len && name ) { \ | ||
257 | if ( copy_to_user( name, value, len ) ) \ | ||
258 | return -EFAULT; \ | ||
259 | } | ||
260 | |||
261 | /** | ||
262 | * Ioctl function type. | ||
263 | * | ||
264 | * \param inode device inode. | ||
265 | * \param file_priv DRM file private pointer. | ||
266 | * \param cmd command. | ||
267 | * \param arg argument. | ||
268 | */ | ||
269 | typedef int drm_ioctl_t(struct drm_device *dev, void *data, | ||
270 | struct drm_file *file_priv); | ||
271 | |||
272 | typedef int drm_ioctl_compat_t(struct file *filp, unsigned int cmd, | ||
273 | unsigned long arg); | ||
274 | |||
275 | #define DRM_AUTH 0x1 | ||
276 | #define DRM_MASTER 0x2 | ||
277 | #define DRM_ROOT_ONLY 0x4 | ||
278 | |||
279 | struct drm_ioctl_desc { | ||
280 | unsigned int cmd; | ||
281 | drm_ioctl_t *func; | ||
282 | int flags; | ||
283 | }; | ||
284 | |||
285 | /** | ||
286 | * Creates a driver or general drm_ioctl_desc array entry for the given | ||
287 | * ioctl, for use by drm_ioctl(). | ||
288 | */ | ||
289 | #define DRM_IOCTL_DEF(ioctl, func, flags) \ | ||
290 | [DRM_IOCTL_NR(ioctl)] = {ioctl, func, flags} | ||
291 | |||
292 | struct drm_magic_entry { | ||
293 | struct list_head head; | ||
294 | struct drm_hash_item hash_item; | ||
295 | struct drm_file *priv; | ||
296 | }; | ||
297 | |||
298 | struct drm_vma_entry { | ||
299 | struct list_head head; | ||
300 | struct vm_area_struct *vma; | ||
301 | pid_t pid; | ||
302 | }; | ||
303 | |||
304 | /** | ||
305 | * DMA buffer. | ||
306 | */ | ||
307 | struct drm_buf { | ||
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 */ | ||
318 | wait_queue_head_t dma_wait; /**< Processes waiting */ | ||
319 | struct drm_file *file_priv; /**< Private of holding file descr */ | ||
320 | int context; /**< Kernel queue for this buffer */ | ||
321 | int while_locked; /**< Dispatch this buffer while locked */ | ||
322 | enum { | ||
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, | ||
328 | DRM_LIST_RECLAIM = 5 | ||
329 | } list; /**< Which list we're on */ | ||
330 | |||
331 | int dev_priv_size; /**< Size of buffer private storage */ | ||
332 | void *dev_private; /**< Per-buffer private storage */ | ||
333 | }; | ||
334 | |||
335 | /** bufs is one longer than it has to be */ | ||
336 | struct drm_waitlist { | ||
337 | int count; /**< Number of possible buffers */ | ||
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 */ | ||
342 | spinlock_t read_lock; | ||
343 | spinlock_t write_lock; | ||
344 | }; | ||
345 | |||
346 | struct drm_freelist { | ||
347 | int initialized; /**< Freelist in use */ | ||
348 | atomic_t count; /**< Number of free buffers */ | ||
349 | struct drm_buf *next; /**< End pointer */ | ||
350 | |||
351 | wait_queue_head_t waiting; /**< Processes waiting on free bufs */ | ||
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; | ||
356 | }; | ||
357 | |||
358 | typedef struct drm_dma_handle { | ||
359 | dma_addr_t busaddr; | ||
360 | void *vaddr; | ||
361 | size_t size; | ||
362 | } drm_dma_handle_t; | ||
363 | |||
364 | /** | ||
365 | * Buffer entry. There is one of this for each buffer size order. | ||
366 | */ | ||
367 | struct drm_buf_entry { | ||
368 | int buf_size; /**< size */ | ||
369 | int buf_count; /**< number of buffers */ | ||
370 | struct drm_buf *buflist; /**< buffer list */ | ||
371 | int seg_count; | ||
372 | int page_order; | ||
373 | struct drm_dma_handle **seglist; | ||
374 | |||
375 | struct drm_freelist freelist; | ||
376 | }; | ||
377 | |||
378 | /** File private data */ | ||
379 | struct drm_file { | ||
380 | int authenticated; | ||
381 | int master; | ||
382 | pid_t pid; | ||
383 | uid_t uid; | ||
384 | drm_magic_t magic; | ||
385 | unsigned long ioctl_count; | ||
386 | struct list_head lhead; | ||
387 | struct drm_minor *minor; | ||
388 | int remove_auth_on_close; | ||
389 | unsigned long lock_count; | ||
390 | struct file *filp; | ||
391 | void *driver_priv; | ||
392 | }; | ||
393 | |||
394 | /** Wait queue */ | ||
395 | struct drm_queue { | ||
396 | 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 */ | ||
400 | wait_queue_head_t read_queue; /**< Processes waiting on block_read */ | ||
401 | atomic_t block_write; /**< Queue blocked for writes */ | ||
402 | wait_queue_head_t write_queue; /**< Processes waiting on block_write */ | ||
403 | atomic_t total_queued; /**< Total queued statistic */ | ||
404 | atomic_t total_flushed; /**< Total flushes statistic */ | ||
405 | atomic_t total_locks; /**< Total locks statistics */ | ||
406 | enum drm_ctx_flags flags; /**< Context preserving and 2D-only */ | ||
407 | struct drm_waitlist waitlist; /**< Pending buffers */ | ||
408 | wait_queue_head_t flush_queue; /**< Processes waiting until flush */ | ||
409 | }; | ||
410 | |||
411 | /** | ||
412 | * Lock data. | ||
413 | */ | ||
414 | struct drm_lock_data { | ||
415 | struct drm_hw_lock *hw_lock; /**< Hardware lock */ | ||
416 | /** Private of lock holder's file (NULL=kernel) */ | ||
417 | struct drm_file *file_priv; | ||
418 | wait_queue_head_t lock_queue; /**< Queue of blocked processes */ | ||
419 | unsigned long lock_time; /**< Time of last lock in jiffies */ | ||
420 | spinlock_t spinlock; | ||
421 | uint32_t kernel_waiters; | ||
422 | uint32_t user_waiters; | ||
423 | int idle_has_lock; | ||
424 | }; | ||
425 | |||
426 | /** | ||
427 | * DMA data. | ||
428 | */ | ||
429 | struct drm_device_dma { | ||
430 | |||
431 | struct drm_buf_entry bufs[DRM_MAX_ORDER + 1]; /**< buffers, grouped by their size order */ | ||
432 | int buf_count; /**< total number of buffers */ | ||
433 | struct drm_buf **buflist; /**< Vector of pointers into drm_device_dma::bufs */ | ||
434 | int seg_count; | ||
435 | int page_count; /**< number of pages */ | ||
436 | unsigned long *pagelist; /**< page list */ | ||
437 | unsigned long byte_count; | ||
438 | enum { | ||
439 | _DRM_DMA_USE_AGP = 0x01, | ||
440 | _DRM_DMA_USE_SG = 0x02, | ||
441 | _DRM_DMA_USE_FB = 0x04, | ||
442 | _DRM_DMA_USE_PCI_RO = 0x08 | ||
443 | } flags; | ||
444 | |||
445 | }; | ||
446 | |||
447 | /** | ||
448 | * AGP memory entry. Stored as a doubly linked list. | ||
449 | */ | ||
450 | struct drm_agp_mem { | ||
451 | unsigned long handle; /**< handle */ | ||
452 | DRM_AGP_MEM *memory; | ||
453 | unsigned long bound; /**< address */ | ||
454 | int pages; | ||
455 | struct list_head head; | ||
456 | }; | ||
457 | |||
458 | /** | ||
459 | * AGP data. | ||
460 | * | ||
461 | * \sa drm_agp_init() and drm_device::agp. | ||
462 | */ | ||
463 | struct drm_agp_head { | ||
464 | DRM_AGP_KERN agp_info; /**< AGP device information */ | ||
465 | struct list_head memory; | ||
466 | 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; | ||
474 | }; | ||
475 | |||
476 | /** | ||
477 | * Scatter-gather memory. | ||
478 | */ | ||
479 | struct drm_sg_mem { | ||
480 | unsigned long handle; | ||
481 | void *virtual; | ||
482 | int pages; | ||
483 | struct page **pagelist; | ||
484 | dma_addr_t *busaddr; | ||
485 | }; | ||
486 | |||
487 | struct drm_sigdata { | ||
488 | int context; | ||
489 | struct drm_hw_lock *lock; | ||
490 | }; | ||
491 | |||
492 | |||
493 | /* | ||
494 | * Generic memory manager structs | ||
495 | */ | ||
496 | |||
497 | struct 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 | |||
507 | struct drm_mm { | ||
508 | struct list_head fl_entry; | ||
509 | struct list_head ml_entry; | ||
510 | }; | ||
511 | |||
512 | |||
513 | /** | ||
514 | * Mappings list | ||
515 | */ | ||
516 | struct drm_map_list { | ||
517 | struct list_head head; /**< list head */ | ||
518 | struct drm_hash_item hash; | ||
519 | struct drm_map *map; /**< mapping */ | ||
520 | uint64_t user_token; | ||
521 | }; | ||
522 | |||
523 | typedef struct drm_map drm_local_map_t; | ||
524 | |||
525 | /** | ||
526 | * Context handle list | ||
527 | */ | ||
528 | struct drm_ctx_list { | ||
529 | struct list_head head; /**< list head */ | ||
530 | drm_context_t handle; /**< context handle */ | ||
531 | struct drm_file *tag; /**< associated fd private data */ | ||
532 | }; | ||
533 | |||
534 | struct drm_vbl_sig { | ||
535 | struct list_head head; | ||
536 | unsigned int sequence; | ||
537 | struct siginfo info; | ||
538 | struct task_struct *task; | ||
539 | }; | ||
540 | |||
541 | /* location of GART table */ | ||
542 | #define DRM_ATI_GART_MAIN 1 | ||
543 | #define DRM_ATI_GART_FB 2 | ||
544 | |||
545 | #define DRM_ATI_GART_PCI 1 | ||
546 | #define DRM_ATI_GART_PCIE 2 | ||
547 | #define DRM_ATI_GART_IGP 3 | ||
548 | |||
549 | struct drm_ati_pcigart_info { | ||
550 | int gart_table_location; | ||
551 | int gart_reg_if; | ||
552 | void *addr; | ||
553 | dma_addr_t bus_addr; | ||
554 | dma_addr_t table_mask; | ||
555 | struct drm_dma_handle *table_handle; | ||
556 | drm_local_map_t mapping; | ||
557 | int table_size; | ||
558 | }; | ||
559 | |||
560 | /** | ||
561 | * DRM driver structure. This structure represent the common code for | ||
562 | * a family of cards. There will one drm_device for each card present | ||
563 | * in this family | ||
564 | */ | ||
565 | struct drm_driver { | ||
566 | int (*load) (struct drm_device *, unsigned long flags); | ||
567 | int (*firstopen) (struct drm_device *); | ||
568 | int (*open) (struct drm_device *, struct drm_file *); | ||
569 | void (*preclose) (struct drm_device *, struct drm_file *file_priv); | ||
570 | void (*postclose) (struct drm_device *, struct drm_file *); | ||
571 | void (*lastclose) (struct drm_device *); | ||
572 | int (*unload) (struct drm_device *); | ||
573 | int (*suspend) (struct drm_device *, pm_message_t state); | ||
574 | int (*resume) (struct drm_device *); | ||
575 | int (*dma_ioctl) (struct drm_device *dev, void *data, struct drm_file *file_priv); | ||
576 | void (*dma_ready) (struct drm_device *); | ||
577 | int (*dma_quiescent) (struct drm_device *); | ||
578 | int (*context_ctor) (struct drm_device *dev, int context); | ||
579 | int (*context_dtor) (struct drm_device *dev, int context); | ||
580 | int (*kernel_context_switch) (struct drm_device *dev, int old, | ||
581 | int new); | ||
582 | void (*kernel_context_switch_unlock) (struct drm_device *dev); | ||
583 | int (*vblank_wait) (struct drm_device *dev, unsigned int *sequence); | ||
584 | int (*vblank_wait2) (struct drm_device *dev, unsigned int *sequence); | ||
585 | int (*dri_library_name) (struct drm_device *dev, char *buf); | ||
586 | |||
587 | /** | ||
588 | * Called by \c drm_device_is_agp. Typically used to determine if a | ||
589 | * card is really attached to AGP or not. | ||
590 | * | ||
591 | * \param dev DRM device handle | ||
592 | * | ||
593 | * \returns | ||
594 | * One of three values is returned depending on whether or not the | ||
595 | * card is absolutely \b not AGP (return of 0), absolutely \b is AGP | ||
596 | * (return of 1), or may or may not be AGP (return of 2). | ||
597 | */ | ||
598 | int (*device_is_agp) (struct drm_device *dev); | ||
599 | |||
600 | /* these have to be filled in */ | ||
601 | |||
602 | irqreturn_t(*irq_handler) (DRM_IRQ_ARGS); | ||
603 | void (*irq_preinstall) (struct drm_device *dev); | ||
604 | void (*irq_postinstall) (struct drm_device *dev); | ||
605 | void (*irq_uninstall) (struct drm_device *dev); | ||
606 | void (*reclaim_buffers) (struct drm_device *dev, | ||
607 | struct drm_file * file_priv); | ||
608 | void (*reclaim_buffers_locked) (struct drm_device *dev, | ||
609 | struct drm_file *file_priv); | ||
610 | void (*reclaim_buffers_idlelocked) (struct drm_device *dev, | ||
611 | struct drm_file *file_priv); | ||
612 | unsigned long (*get_map_ofs) (struct drm_map * map); | ||
613 | unsigned long (*get_reg_ofs) (struct drm_device *dev); | ||
614 | void (*set_version) (struct drm_device *dev, | ||
615 | struct drm_set_version *sv); | ||
616 | |||
617 | int major; | ||
618 | int minor; | ||
619 | int patchlevel; | ||
620 | char *name; | ||
621 | char *desc; | ||
622 | char *date; | ||
623 | |||
624 | u32 driver_features; | ||
625 | int dev_priv_size; | ||
626 | struct drm_ioctl_desc *ioctls; | ||
627 | int num_ioctls; | ||
628 | struct file_operations fops; | ||
629 | struct pci_driver pci_driver; | ||
630 | }; | ||
631 | |||
632 | #define DRM_MINOR_UNASSIGNED 0 | ||
633 | #define DRM_MINOR_LEGACY 1 | ||
634 | |||
635 | /** | ||
636 | * DRM minor structure. This structure represents a drm minor number. | ||
637 | */ | ||
638 | struct drm_minor { | ||
639 | int index; /**< Minor device number */ | ||
640 | int type; /**< Control or render */ | ||
641 | dev_t device; /**< Device number for mknod */ | ||
642 | struct device kdev; /**< Linux device */ | ||
643 | struct drm_device *dev; | ||
644 | struct proc_dir_entry *dev_root; /**< proc directory entry */ | ||
645 | }; | ||
646 | |||
647 | /** | ||
648 | * DRM device structure. This structure represent a complete card that | ||
649 | * may contain multiple heads. | ||
650 | */ | ||
651 | struct drm_device { | ||
652 | char *unique; /**< Unique identifier: e.g., busid */ | ||
653 | int unique_len; /**< Length of unique field */ | ||
654 | char *devname; /**< For /proc/interrupts */ | ||
655 | int if_version; /**< Highest interface version set */ | ||
656 | |||
657 | int blocked; /**< Blocked due to VC switch? */ | ||
658 | |||
659 | /** \name Locks */ | ||
660 | /*@{ */ | ||
661 | spinlock_t count_lock; /**< For inuse, drm_device::open_count, drm_device::buf_use */ | ||
662 | struct mutex struct_mutex; /**< For others */ | ||
663 | /*@} */ | ||
664 | |||
665 | /** \name Usage Counters */ | ||
666 | /*@{ */ | ||
667 | int open_count; /**< Outstanding files open */ | ||
668 | atomic_t ioctl_count; /**< Outstanding IOCTLs pending */ | ||
669 | atomic_t vma_count; /**< Outstanding vma areas open */ | ||
670 | int buf_use; /**< Buffers in use -- cannot alloc */ | ||
671 | atomic_t buf_alloc; /**< Buffer allocation in progress */ | ||
672 | /*@} */ | ||
673 | |||
674 | /** \name Performance counters */ | ||
675 | /*@{ */ | ||
676 | unsigned long counters; | ||
677 | enum drm_stat_type types[15]; | ||
678 | atomic_t counts[15]; | ||
679 | /*@} */ | ||
680 | |||
681 | /** \name Authentication */ | ||
682 | /*@{ */ | ||
683 | struct list_head filelist; | ||
684 | struct drm_open_hash magiclist; /**< magic hash table */ | ||
685 | struct list_head magicfree; | ||
686 | /*@} */ | ||
687 | |||
688 | /** \name Memory management */ | ||
689 | /*@{ */ | ||
690 | struct list_head maplist; /**< Linked list of regions */ | ||
691 | int map_count; /**< Number of mappable regions */ | ||
692 | struct drm_open_hash map_hash; /**< User token hash table for maps */ | ||
693 | |||
694 | /** \name Context handle management */ | ||
695 | /*@{ */ | ||
696 | struct list_head ctxlist; /**< Linked list of context handles */ | ||
697 | int ctx_count; /**< Number of context handles */ | ||
698 | struct mutex ctxlist_mutex; /**< For ctxlist */ | ||
699 | |||
700 | struct idr ctx_idr; | ||
701 | |||
702 | struct list_head vmalist; /**< List of vmas (for debugging) */ | ||
703 | struct drm_lock_data lock; /**< Information on hardware lock */ | ||
704 | /*@} */ | ||
705 | |||
706 | /** \name DMA queues (contexts) */ | ||
707 | /*@{ */ | ||
708 | int queue_count; /**< Number of active DMA queues */ | ||
709 | int queue_reserved; /**< Number of reserved DMA queues */ | ||
710 | int queue_slots; /**< Actual length of queuelist */ | ||
711 | struct drm_queue **queuelist; /**< Vector of pointers to DMA queues */ | ||
712 | struct drm_device_dma *dma; /**< Optional pointer for DMA support */ | ||
713 | /*@} */ | ||
714 | |||
715 | /** \name Context support */ | ||
716 | /*@{ */ | ||
717 | int irq; /**< Interrupt used by board */ | ||
718 | int irq_enabled; /**< True if irq handler is enabled */ | ||
719 | __volatile__ long context_flag; /**< Context swapping flag */ | ||
720 | __volatile__ long interrupt_flag; /**< Interruption handler flag */ | ||
721 | __volatile__ long dma_flag; /**< DMA dispatch flag */ | ||
722 | struct timer_list timer; /**< Timer for delaying ctx switch */ | ||
723 | wait_queue_head_t context_wait; /**< Processes waiting on ctx switch */ | ||
724 | int last_checked; /**< Last context checked for DMA */ | ||
725 | int last_context; /**< Last current context */ | ||
726 | unsigned long last_switch; /**< jiffies at last context switch */ | ||
727 | /*@} */ | ||
728 | |||
729 | struct work_struct work; | ||
730 | /** \name VBLANK IRQ support */ | ||
731 | /*@{ */ | ||
732 | |||
733 | wait_queue_head_t vbl_queue; /**< VBLANK wait queue */ | ||
734 | atomic_t vbl_received; | ||
735 | atomic_t vbl_received2; /**< number of secondary VBLANK interrupts */ | ||
736 | spinlock_t vbl_lock; | ||
737 | struct list_head vbl_sigs; /**< signal list to send on VBLANK */ | ||
738 | struct list_head vbl_sigs2; /**< signals to send on secondary VBLANK */ | ||
739 | unsigned int vbl_pending; | ||
740 | spinlock_t tasklet_lock; /**< For drm_locked_tasklet */ | ||
741 | void (*locked_tasklet_func)(struct drm_device *dev); | ||
742 | |||
743 | /*@} */ | ||
744 | cycles_t ctx_start; | ||
745 | cycles_t lck_start; | ||
746 | |||
747 | struct fasync_struct *buf_async;/**< Processes waiting for SIGIO */ | ||
748 | wait_queue_head_t buf_readers; /**< Processes waiting to read */ | ||
749 | wait_queue_head_t buf_writers; /**< Processes waiting to ctx switch */ | ||
750 | |||
751 | struct drm_agp_head *agp; /**< AGP data */ | ||
752 | |||
753 | struct pci_dev *pdev; /**< PCI device structure */ | ||
754 | int pci_vendor; /**< PCI vendor id */ | ||
755 | int pci_device; /**< PCI device id */ | ||
756 | #ifdef __alpha__ | ||
757 | struct pci_controller *hose; | ||
758 | #endif | ||
759 | struct drm_sg_mem *sg; /**< Scatter gather memory */ | ||
760 | void *dev_private; /**< device private data */ | ||
761 | struct drm_sigdata sigdata; /**< For block_all_signals */ | ||
762 | sigset_t sigmask; | ||
763 | |||
764 | struct drm_driver *driver; | ||
765 | drm_local_map_t *agp_buffer_map; | ||
766 | unsigned int agp_buffer_token; | ||
767 | struct drm_minor *primary; /**< render type primary screen head */ | ||
768 | |||
769 | /** \name Drawable information */ | ||
770 | /*@{ */ | ||
771 | spinlock_t drw_lock; | ||
772 | struct idr drw_idr; | ||
773 | /*@} */ | ||
774 | }; | ||
775 | |||
776 | static __inline__ int drm_core_check_feature(struct drm_device *dev, | ||
777 | int feature) | ||
778 | { | ||
779 | return ((dev->driver->driver_features & feature) ? 1 : 0); | ||
780 | } | ||
781 | |||
782 | #ifdef __alpha__ | ||
783 | #define drm_get_pci_domain(dev) dev->hose->index | ||
784 | #else | ||
785 | #define drm_get_pci_domain(dev) 0 | ||
786 | #endif | ||
787 | |||
788 | #if __OS_HAS_AGP | ||
789 | static inline int drm_core_has_AGP(struct drm_device *dev) | ||
790 | { | ||
791 | return drm_core_check_feature(dev, DRIVER_USE_AGP); | ||
792 | } | ||
793 | #else | ||
794 | #define drm_core_has_AGP(dev) (0) | ||
795 | #endif | ||
796 | |||
797 | #if __OS_HAS_MTRR | ||
798 | static inline int drm_core_has_MTRR(struct drm_device *dev) | ||
799 | { | ||
800 | return drm_core_check_feature(dev, DRIVER_USE_MTRR); | ||
801 | } | ||
802 | |||
803 | #define DRM_MTRR_WC MTRR_TYPE_WRCOMB | ||
804 | |||
805 | static inline int drm_mtrr_add(unsigned long offset, unsigned long size, | ||
806 | unsigned int flags) | ||
807 | { | ||
808 | return mtrr_add(offset, size, flags, 1); | ||
809 | } | ||
810 | |||
811 | static inline int drm_mtrr_del(int handle, unsigned long offset, | ||
812 | unsigned long size, unsigned int flags) | ||
813 | { | ||
814 | return mtrr_del(handle, offset, size); | ||
815 | } | ||
816 | |||
817 | #else | ||
818 | #define drm_core_has_MTRR(dev) (0) | ||
819 | |||
820 | #define DRM_MTRR_WC 0 | ||
821 | |||
822 | static inline int drm_mtrr_add(unsigned long offset, unsigned long size, | ||
823 | unsigned int flags) | ||
824 | { | ||
825 | return 0; | ||
826 | } | ||
827 | |||
828 | static inline int drm_mtrr_del(int handle, unsigned long offset, | ||
829 | unsigned long size, unsigned int flags) | ||
830 | { | ||
831 | return 0; | ||
832 | } | ||
833 | #endif | ||
834 | |||
835 | /******************************************************************/ | ||
836 | /** \name Internal function definitions */ | ||
837 | /*@{*/ | ||
838 | |||
839 | /* Driver support (drm_drv.h) */ | ||
840 | extern int drm_init(struct drm_driver *driver); | ||
841 | extern void drm_exit(struct drm_driver *driver); | ||
842 | extern int drm_ioctl(struct inode *inode, struct file *filp, | ||
843 | unsigned int cmd, unsigned long arg); | ||
844 | extern long drm_compat_ioctl(struct file *filp, | ||
845 | unsigned int cmd, unsigned long arg); | ||
846 | extern int drm_lastclose(struct drm_device *dev); | ||
847 | |||
848 | /* Device support (drm_fops.h) */ | ||
849 | extern int drm_open(struct inode *inode, struct file *filp); | ||
850 | extern int drm_stub_open(struct inode *inode, struct file *filp); | ||
851 | extern int drm_fasync(int fd, struct file *filp, int on); | ||
852 | extern int drm_release(struct inode *inode, struct file *filp); | ||
853 | |||
854 | /* Mapping support (drm_vm.h) */ | ||
855 | extern int drm_mmap(struct file *filp, struct vm_area_struct *vma); | ||
856 | extern unsigned long drm_core_get_map_ofs(struct drm_map * map); | ||
857 | extern unsigned long drm_core_get_reg_ofs(struct drm_device *dev); | ||
858 | extern unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait); | ||
859 | |||
860 | /* Memory management support (drm_memory.h) */ | ||
861 | #include "drm_memory.h" | ||
862 | extern void drm_mem_init(void); | ||
863 | extern int drm_mem_info(char *buf, char **start, off_t offset, | ||
864 | int request, int *eof, void *data); | ||
865 | extern void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area); | ||
866 | |||
867 | extern DRM_AGP_MEM *drm_alloc_agp(struct drm_device *dev, int pages, u32 type); | ||
868 | extern int drm_free_agp(DRM_AGP_MEM * handle, int pages); | ||
869 | extern int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start); | ||
870 | extern int drm_unbind_agp(DRM_AGP_MEM * handle); | ||
871 | |||
872 | /* Misc. IOCTL support (drm_ioctl.h) */ | ||
873 | extern int drm_irq_by_busid(struct drm_device *dev, void *data, | ||
874 | struct drm_file *file_priv); | ||
875 | extern int drm_getunique(struct drm_device *dev, void *data, | ||
876 | struct drm_file *file_priv); | ||
877 | extern int drm_setunique(struct drm_device *dev, void *data, | ||
878 | struct drm_file *file_priv); | ||
879 | extern int drm_getmap(struct drm_device *dev, void *data, | ||
880 | struct drm_file *file_priv); | ||
881 | extern int drm_getclient(struct drm_device *dev, void *data, | ||
882 | struct drm_file *file_priv); | ||
883 | extern int drm_getstats(struct drm_device *dev, void *data, | ||
884 | struct drm_file *file_priv); | ||
885 | extern int drm_setversion(struct drm_device *dev, void *data, | ||
886 | struct drm_file *file_priv); | ||
887 | extern int drm_noop(struct drm_device *dev, void *data, | ||
888 | struct drm_file *file_priv); | ||
889 | |||
890 | /* Context IOCTL support (drm_context.h) */ | ||
891 | extern int drm_resctx(struct drm_device *dev, void *data, | ||
892 | struct drm_file *file_priv); | ||
893 | extern int drm_addctx(struct drm_device *dev, void *data, | ||
894 | struct drm_file *file_priv); | ||
895 | extern int drm_modctx(struct drm_device *dev, void *data, | ||
896 | struct drm_file *file_priv); | ||
897 | extern int drm_getctx(struct drm_device *dev, void *data, | ||
898 | struct drm_file *file_priv); | ||
899 | extern int drm_switchctx(struct drm_device *dev, void *data, | ||
900 | struct drm_file *file_priv); | ||
901 | extern int drm_newctx(struct drm_device *dev, void *data, | ||
902 | struct drm_file *file_priv); | ||
903 | extern int drm_rmctx(struct drm_device *dev, void *data, | ||
904 | struct drm_file *file_priv); | ||
905 | |||
906 | extern int drm_ctxbitmap_init(struct drm_device *dev); | ||
907 | extern void drm_ctxbitmap_cleanup(struct drm_device *dev); | ||
908 | extern void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle); | ||
909 | |||
910 | extern int drm_setsareactx(struct drm_device *dev, void *data, | ||
911 | struct drm_file *file_priv); | ||
912 | extern int drm_getsareactx(struct drm_device *dev, void *data, | ||
913 | struct drm_file *file_priv); | ||
914 | |||
915 | /* Drawable IOCTL support (drm_drawable.h) */ | ||
916 | extern int drm_adddraw(struct drm_device *dev, void *data, | ||
917 | struct drm_file *file_priv); | ||
918 | extern int drm_rmdraw(struct drm_device *dev, void *data, | ||
919 | struct drm_file *file_priv); | ||
920 | extern int drm_update_drawable_info(struct drm_device *dev, void *data, | ||
921 | struct drm_file *file_priv); | ||
922 | extern struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev, | ||
923 | drm_drawable_t id); | ||
924 | extern void drm_drawable_free_all(struct drm_device *dev); | ||
925 | |||
926 | /* Authentication IOCTL support (drm_auth.h) */ | ||
927 | extern int drm_getmagic(struct drm_device *dev, void *data, | ||
928 | struct drm_file *file_priv); | ||
929 | extern int drm_authmagic(struct drm_device *dev, void *data, | ||
930 | struct drm_file *file_priv); | ||
931 | |||
932 | /* Locking IOCTL support (drm_lock.h) */ | ||
933 | extern int drm_lock(struct drm_device *dev, void *data, | ||
934 | struct drm_file *file_priv); | ||
935 | extern int drm_unlock(struct drm_device *dev, void *data, | ||
936 | struct drm_file *file_priv); | ||
937 | extern int drm_lock_take(struct drm_lock_data *lock_data, unsigned int context); | ||
938 | extern int drm_lock_free(struct drm_lock_data *lock_data, unsigned int context); | ||
939 | extern void drm_idlelock_take(struct drm_lock_data *lock_data); | ||
940 | extern void drm_idlelock_release(struct drm_lock_data *lock_data); | ||
941 | |||
942 | /* | ||
943 | * These are exported to drivers so that they can implement fencing using | ||
944 | * DMA quiscent + idle. DMA quiescent usually requires the hardware lock. | ||
945 | */ | ||
946 | |||
947 | extern int drm_i_have_hw_lock(struct drm_device *dev, struct drm_file *file_priv); | ||
948 | |||
949 | /* Buffer management support (drm_bufs.h) */ | ||
950 | extern int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc * request); | ||
951 | extern int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc * request); | ||
952 | extern int drm_addmap(struct drm_device *dev, unsigned int offset, | ||
953 | unsigned int size, enum drm_map_type type, | ||
954 | enum drm_map_flags flags, drm_local_map_t ** map_ptr); | ||
955 | extern int drm_addmap_ioctl(struct drm_device *dev, void *data, | ||
956 | struct drm_file *file_priv); | ||
957 | extern int drm_rmmap(struct drm_device *dev, drm_local_map_t *map); | ||
958 | extern int drm_rmmap_locked(struct drm_device *dev, drm_local_map_t *map); | ||
959 | extern int drm_rmmap_ioctl(struct drm_device *dev, void *data, | ||
960 | struct drm_file *file_priv); | ||
961 | extern int drm_addbufs(struct drm_device *dev, void *data, | ||
962 | struct drm_file *file_priv); | ||
963 | extern int drm_infobufs(struct drm_device *dev, void *data, | ||
964 | struct drm_file *file_priv); | ||
965 | extern int drm_markbufs(struct drm_device *dev, void *data, | ||
966 | struct drm_file *file_priv); | ||
967 | extern int drm_freebufs(struct drm_device *dev, void *data, | ||
968 | struct drm_file *file_priv); | ||
969 | extern int drm_mapbufs(struct drm_device *dev, void *data, | ||
970 | struct drm_file *file_priv); | ||
971 | extern int drm_order(unsigned long size); | ||
972 | extern unsigned long drm_get_resource_start(struct drm_device *dev, | ||
973 | unsigned int resource); | ||
974 | extern unsigned long drm_get_resource_len(struct drm_device *dev, | ||
975 | unsigned int resource); | ||
976 | |||
977 | /* DMA support (drm_dma.h) */ | ||
978 | extern int drm_dma_setup(struct drm_device *dev); | ||
979 | extern void drm_dma_takedown(struct drm_device *dev); | ||
980 | extern void drm_free_buffer(struct drm_device *dev, struct drm_buf * buf); | ||
981 | extern void drm_core_reclaim_buffers(struct drm_device *dev, | ||
982 | struct drm_file *filp); | ||
983 | |||
984 | /* IRQ support (drm_irq.h) */ | ||
985 | extern int drm_control(struct drm_device *dev, void *data, | ||
986 | struct drm_file *file_priv); | ||
987 | extern irqreturn_t drm_irq_handler(DRM_IRQ_ARGS); | ||
988 | extern int drm_irq_uninstall(struct drm_device *dev); | ||
989 | extern void drm_driver_irq_preinstall(struct drm_device *dev); | ||
990 | extern void drm_driver_irq_postinstall(struct drm_device *dev); | ||
991 | extern void drm_driver_irq_uninstall(struct drm_device *dev); | ||
992 | |||
993 | extern int drm_wait_vblank(struct drm_device *dev, void *data, | ||
994 | struct drm_file *file_priv); | ||
995 | extern int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq); | ||
996 | extern void drm_vbl_send_signals(struct drm_device *dev); | ||
997 | extern void drm_locked_tasklet(struct drm_device *dev, void(*func)(struct drm_device*)); | ||
998 | |||
999 | /* AGP/GART support (drm_agpsupport.h) */ | ||
1000 | extern struct drm_agp_head *drm_agp_init(struct drm_device *dev); | ||
1001 | extern int drm_agp_acquire(struct drm_device *dev); | ||
1002 | extern int drm_agp_acquire_ioctl(struct drm_device *dev, void *data, | ||
1003 | struct drm_file *file_priv); | ||
1004 | extern int drm_agp_release(struct drm_device *dev); | ||
1005 | extern int drm_agp_release_ioctl(struct drm_device *dev, void *data, | ||
1006 | struct drm_file *file_priv); | ||
1007 | extern int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode); | ||
1008 | extern int drm_agp_enable_ioctl(struct drm_device *dev, void *data, | ||
1009 | struct drm_file *file_priv); | ||
1010 | extern int drm_agp_info(struct drm_device *dev, struct drm_agp_info *info); | ||
1011 | extern int drm_agp_info_ioctl(struct drm_device *dev, void *data, | ||
1012 | struct drm_file *file_priv); | ||
1013 | extern int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request); | ||
1014 | extern int drm_agp_alloc_ioctl(struct drm_device *dev, void *data, | ||
1015 | struct drm_file *file_priv); | ||
1016 | extern int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request); | ||
1017 | extern int drm_agp_free_ioctl(struct drm_device *dev, void *data, | ||
1018 | struct drm_file *file_priv); | ||
1019 | extern int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request); | ||
1020 | extern int drm_agp_unbind_ioctl(struct drm_device *dev, void *data, | ||
1021 | struct drm_file *file_priv); | ||
1022 | extern int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request); | ||
1023 | extern int drm_agp_bind_ioctl(struct drm_device *dev, void *data, | ||
1024 | struct drm_file *file_priv); | ||
1025 | extern DRM_AGP_MEM *drm_agp_allocate_memory(struct agp_bridge_data *bridge, size_t pages, u32 type); | ||
1026 | extern int drm_agp_free_memory(DRM_AGP_MEM * handle); | ||
1027 | extern int drm_agp_bind_memory(DRM_AGP_MEM * handle, off_t start); | ||
1028 | extern int drm_agp_unbind_memory(DRM_AGP_MEM * handle); | ||
1029 | |||
1030 | /* Stub support (drm_stub.h) */ | ||
1031 | extern int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent, | ||
1032 | struct drm_driver *driver); | ||
1033 | extern int drm_put_dev(struct drm_device *dev); | ||
1034 | extern int drm_put_minor(struct drm_minor **minor); | ||
1035 | extern unsigned int drm_debug; | ||
1036 | |||
1037 | extern struct class *drm_class; | ||
1038 | extern struct proc_dir_entry *drm_proc_root; | ||
1039 | |||
1040 | extern struct idr drm_minors_idr; | ||
1041 | |||
1042 | extern drm_local_map_t *drm_getsarea(struct drm_device *dev); | ||
1043 | |||
1044 | /* Proc support (drm_proc.h) */ | ||
1045 | extern int drm_proc_init(struct drm_minor *minor, int minor_id, | ||
1046 | struct proc_dir_entry *root); | ||
1047 | extern int drm_proc_cleanup(struct drm_minor *minor, struct proc_dir_entry *root); | ||
1048 | |||
1049 | /* Scatter Gather Support (drm_scatter.h) */ | ||
1050 | extern void drm_sg_cleanup(struct drm_sg_mem * entry); | ||
1051 | extern int drm_sg_alloc_ioctl(struct drm_device *dev, void *data, | ||
1052 | struct drm_file *file_priv); | ||
1053 | extern int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request); | ||
1054 | extern int drm_sg_free(struct drm_device *dev, void *data, | ||
1055 | struct drm_file *file_priv); | ||
1056 | |||
1057 | /* ATI PCIGART support (ati_pcigart.h) */ | ||
1058 | extern int drm_ati_pcigart_init(struct drm_device *dev, | ||
1059 | struct drm_ati_pcigart_info * gart_info); | ||
1060 | extern int drm_ati_pcigart_cleanup(struct drm_device *dev, | ||
1061 | struct drm_ati_pcigart_info * gart_info); | ||
1062 | |||
1063 | extern drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size, | ||
1064 | size_t align, dma_addr_t maxaddr); | ||
1065 | extern void __drm_pci_free(struct drm_device *dev, drm_dma_handle_t * dmah); | ||
1066 | extern void drm_pci_free(struct drm_device *dev, drm_dma_handle_t * dmah); | ||
1067 | |||
1068 | /* sysfs support (drm_sysfs.c) */ | ||
1069 | struct drm_sysfs_class; | ||
1070 | extern struct class *drm_sysfs_create(struct module *owner, char *name); | ||
1071 | extern void drm_sysfs_destroy(void); | ||
1072 | extern int drm_sysfs_device_add(struct drm_minor *minor); | ||
1073 | extern void drm_sysfs_device_remove(struct drm_minor *minor); | ||
1074 | |||
1075 | /* | ||
1076 | * Basic memory manager support (drm_mm.c) | ||
1077 | */ | ||
1078 | extern struct drm_mm_node *drm_mm_get_block(struct drm_mm_node * parent, | ||
1079 | unsigned long size, | ||
1080 | unsigned alignment); | ||
1081 | extern void drm_mm_put_block(struct drm_mm_node * cur); | ||
1082 | extern struct drm_mm_node *drm_mm_search_free(const struct drm_mm *mm, unsigned long size, | ||
1083 | unsigned alignment, int best_match); | ||
1084 | extern int drm_mm_init(struct drm_mm *mm, unsigned long start, unsigned long size); | ||
1085 | extern void drm_mm_takedown(struct drm_mm *mm); | ||
1086 | extern int drm_mm_clean(struct drm_mm *mm); | ||
1087 | extern unsigned long drm_mm_tail_space(struct drm_mm *mm); | ||
1088 | extern int drm_mm_remove_space_from_tail(struct drm_mm *mm, unsigned long size); | ||
1089 | extern int drm_mm_add_space_to_tail(struct drm_mm *mm, unsigned long size); | ||
1090 | |||
1091 | extern void drm_core_ioremap(struct drm_map *map, struct drm_device *dev); | ||
1092 | extern void drm_core_ioremapfree(struct drm_map *map, struct drm_device *dev); | ||
1093 | |||
1094 | static __inline__ struct drm_map *drm_core_findmap(struct drm_device *dev, | ||
1095 | unsigned int token) | ||
1096 | { | ||
1097 | struct drm_map_list *_entry; | ||
1098 | list_for_each_entry(_entry, &dev->maplist, head) | ||
1099 | if (_entry->user_token == token) | ||
1100 | return _entry->map; | ||
1101 | return NULL; | ||
1102 | } | ||
1103 | |||
1104 | static __inline__ int drm_device_is_agp(struct drm_device *dev) | ||
1105 | { | ||
1106 | if (dev->driver->device_is_agp != NULL) { | ||
1107 | int err = (*dev->driver->device_is_agp) (dev); | ||
1108 | |||
1109 | if (err != 2) { | ||
1110 | return err; | ||
1111 | } | ||
1112 | } | ||
1113 | |||
1114 | return pci_find_capability(dev->pdev, PCI_CAP_ID_AGP); | ||
1115 | } | ||
1116 | |||
1117 | static __inline__ int drm_device_is_pcie(struct drm_device *dev) | ||
1118 | { | ||
1119 | return pci_find_capability(dev->pdev, PCI_CAP_ID_EXP); | ||
1120 | } | ||
1121 | |||
1122 | static __inline__ void drm_core_dropmap(struct drm_map *map) | ||
1123 | { | ||
1124 | } | ||
1125 | |||
1126 | #ifndef DEBUG_MEMORY | ||
1127 | /** Wrapper around kmalloc() */ | ||
1128 | static __inline__ void *drm_alloc(size_t size, int area) | ||
1129 | { | ||
1130 | return kmalloc(size, GFP_KERNEL); | ||
1131 | } | ||
1132 | |||
1133 | /** Wrapper around kfree() */ | ||
1134 | static __inline__ void drm_free(void *pt, size_t size, int area) | ||
1135 | { | ||
1136 | kfree(pt); | ||
1137 | } | ||
1138 | |||
1139 | /** Wrapper around kcalloc() */ | ||
1140 | static __inline__ void *drm_calloc(size_t nmemb, size_t size, int area) | ||
1141 | { | ||
1142 | return kcalloc(nmemb, size, GFP_KERNEL); | ||
1143 | } | ||
1144 | #else | ||
1145 | extern void *drm_alloc(size_t size, int area); | ||
1146 | extern void drm_free(void *pt, size_t size, int area); | ||
1147 | extern void *drm_calloc(size_t nmemb, size_t size, int area); | ||
1148 | #endif | ||
1149 | |||
1150 | /*@}*/ | ||
1151 | |||
1152 | #endif /* __KERNEL__ */ | ||
1153 | #endif | ||