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 | ||
1da177e4 LT |
37 | #ifdef __KERNEL__ |
38 | #ifdef __alpha__ | |
39 | /* add include of current.h so that "current" is defined | |
40 | * before static inline funcs in wait.h. Doing this so we | |
41 | * can build the DRM (part of PI DRI). 4/21/2000 S + B */ | |
42 | #include <asm/current.h> | |
b5e89ed5 | 43 | #endif /* __alpha__ */ |
1da177e4 LT |
44 | #include <linux/module.h> |
45 | #include <linux/kernel.h> | |
46 | #include <linux/miscdevice.h> | |
47 | #include <linux/fs.h> | |
48 | #include <linux/proc_fs.h> | |
49 | #include <linux/init.h> | |
50 | #include <linux/file.h> | |
51 | #include <linux/pci.h> | |
1da177e4 LT |
52 | #include <linux/jiffies.h> |
53 | #include <linux/smp_lock.h> /* For (un)lock_kernel */ | |
b05c2385 | 54 | #include <linux/dma-mapping.h> |
1da177e4 LT |
55 | #include <linux/mm.h> |
56 | #include <linux/cdev.h> | |
30e2fb18 | 57 | #include <linux/mutex.h> |
1da177e4 | 58 | #if defined(__alpha__) || defined(__powerpc__) |
b5e89ed5 | 59 | #include <asm/pgtable.h> /* For pte_wrprotect */ |
1da177e4 LT |
60 | #endif |
61 | #include <asm/io.h> | |
62 | #include <asm/mman.h> | |
63 | #include <asm/uaccess.h> | |
64 | #ifdef CONFIG_MTRR | |
65 | #include <asm/mtrr.h> | |
66 | #endif | |
67 | #if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) | |
68 | #include <linux/types.h> | |
69 | #include <linux/agp_backend.h> | |
70 | #endif | |
71 | #include <linux/workqueue.h> | |
72 | #include <linux/poll.h> | |
73 | #include <asm/pgalloc.h> | |
74 | #include "drm.h" | |
75 | ||
62968144 DA |
76 | #include <linux/idr.h> |
77 | ||
1da177e4 LT |
78 | #define __OS_HAS_AGP (defined(CONFIG_AGP) || (defined(CONFIG_AGP_MODULE) && defined(MODULE))) |
79 | #define __OS_HAS_MTRR (defined(CONFIG_MTRR)) | |
80 | ||
c153f45f EA |
81 | struct drm_file; |
82 | struct drm_device; | |
83 | ||
1da177e4 | 84 | #include "drm_os_linux.h" |
3a1bd924 | 85 | #include "drm_hashtab.h" |
249d6048 | 86 | #include "drm_mm.h" |
1da177e4 | 87 | |
4fefcb27 | 88 | #define DRM_UT_CORE 0x01 |
89 | #define DRM_UT_DRIVER 0x02 | |
90 | #define DRM_UT_KMS 0x04 | |
91 | #define DRM_UT_MODE 0x08 | |
92 | ||
93 | extern void drm_ut_debug_printk(unsigned int request_level, | |
94 | const char *prefix, | |
95 | const char *function_name, | |
96 | const char *format, ...); | |
1da177e4 LT |
97 | /***********************************************************************/ |
98 | /** \name DRM template customization defaults */ | |
99 | /*@{*/ | |
100 | ||
101 | /* driver capabilities and requirements mask */ | |
102 | #define DRIVER_USE_AGP 0x1 | |
103 | #define DRIVER_REQUIRE_AGP 0x2 | |
104 | #define DRIVER_USE_MTRR 0x4 | |
105 | #define DRIVER_PCI_DMA 0x8 | |
106 | #define DRIVER_SG 0x10 | |
107 | #define DRIVER_HAVE_DMA 0x20 | |
108 | #define DRIVER_HAVE_IRQ 0x40 | |
109 | #define DRIVER_IRQ_SHARED 0x80 | |
af6061af | 110 | #define DRIVER_IRQ_VBL 0x100 |
1da177e4 | 111 | #define DRIVER_DMA_QUEUE 0x200 |
b84397d6 | 112 | #define DRIVER_FB_DMA 0x400 |
af6061af | 113 | #define DRIVER_IRQ_VBL2 0x800 |
673a394b | 114 | #define DRIVER_GEM 0x1000 |
f453ba04 | 115 | #define DRIVER_MODESET 0x2000 |
1da177e4 LT |
116 | |
117 | /***********************************************************************/ | |
118 | /** \name Begin the DRM... */ | |
119 | /*@{*/ | |
120 | ||
121 | #define DRM_DEBUG_CODE 2 /**< Include debugging code if > 1, then | |
122 | also include looping detection. */ | |
123 | ||
8669cbc5 | 124 | #define DRM_MAGIC_HASH_ORDER 4 /**< Size of key hash table. Must be power of 2. */ |
1da177e4 LT |
125 | #define DRM_KERNEL_CONTEXT 0 /**< Change drm_resctx if changed */ |
126 | #define DRM_RESERVED_CONTEXTS 1 /**< Change drm_resctx if changed */ | |
127 | #define DRM_LOOPING_LIMIT 5000000 | |
1da177e4 LT |
128 | #define DRM_TIME_SLICE (HZ/20) /**< Time slice for GLXContexts */ |
129 | #define DRM_LOCK_SLICE 1 /**< Time slice for lock, in jiffies */ | |
130 | ||
131 | #define DRM_FLAG_DEBUG 0x01 | |
132 | ||
1da177e4 | 133 | #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) |
8d153f71 | 134 | #define DRM_MAP_HASH_OFFSET 0x10000000 |
1da177e4 | 135 | |
b5e89ed5 | 136 | /*@}*/ |
1da177e4 | 137 | |
1da177e4 LT |
138 | /***********************************************************************/ |
139 | /** \name Macros to make printk easier */ | |
140 | /*@{*/ | |
141 | ||
142 | /** | |
143 | * Error output. | |
144 | * | |
145 | * \param fmt printf() like format string. | |
146 | * \param arg arguments | |
147 | */ | |
148 | #define DRM_ERROR(fmt, arg...) \ | |
bf9d8929 | 149 | printk(KERN_ERR "[" DRM_NAME ":%s] *ERROR* " fmt , __func__ , ##arg) |
1da177e4 LT |
150 | |
151 | /** | |
152 | * Memory error output. | |
153 | * | |
154 | * \param area memory area where the error occurred. | |
155 | * \param fmt printf() like format string. | |
156 | * \param arg arguments | |
157 | */ | |
158 | #define DRM_MEM_ERROR(area, fmt, arg...) \ | |
bf9d8929 | 159 | printk(KERN_ERR "[" DRM_NAME ":%s:%s] *ERROR* " fmt , __func__, \ |
1da177e4 LT |
160 | drm_mem_stats[area].name , ##arg) |
161 | ||
162 | #define DRM_INFO(fmt, arg...) printk(KERN_INFO "[" DRM_NAME "] " fmt , ##arg) | |
163 | ||
164 | /** | |
165 | * Debug output. | |
b5e89ed5 | 166 | * |
1da177e4 LT |
167 | * \param fmt printf() like format string. |
168 | * \param arg arguments | |
169 | */ | |
170 | #if DRM_DEBUG_CODE | |
4fefcb27 | 171 | #define DRM_DEBUG(fmt, args...) \ |
1da177e4 | 172 | do { \ |
4fefcb27 | 173 | drm_ut_debug_printk(DRM_UT_CORE, DRM_NAME, \ |
174 | __func__, fmt, ##args); \ | |
175 | } while (0) | |
176 | ||
177 | #define DRM_DEBUG_DRIVER(prefix, fmt, args...) \ | |
178 | do { \ | |
179 | drm_ut_debug_printk(DRM_UT_DRIVER, prefix, \ | |
180 | __func__, fmt, ##args); \ | |
181 | } while (0) | |
182 | #define DRM_DEBUG_KMS(prefix, fmt, args...) \ | |
183 | do { \ | |
184 | drm_ut_debug_printk(DRM_UT_KMS, prefix, \ | |
185 | __func__, fmt, ##args); \ | |
186 | } while (0) | |
187 | #define DRM_DEBUG_MODE(prefix, fmt, args...) \ | |
188 | do { \ | |
189 | drm_ut_debug_printk(DRM_UT_MODE, prefix, \ | |
190 | __func__, fmt, ##args); \ | |
191 | } while (0) | |
192 | #define DRM_LOG(fmt, args...) \ | |
193 | do { \ | |
194 | drm_ut_debug_printk(DRM_UT_CORE, NULL, \ | |
195 | NULL, fmt, ##args); \ | |
196 | } while (0) | |
197 | #define DRM_LOG_KMS(fmt, args...) \ | |
198 | do { \ | |
199 | drm_ut_debug_printk(DRM_UT_KMS, NULL, \ | |
200 | NULL, fmt, ##args); \ | |
201 | } while (0) | |
202 | #define DRM_LOG_MODE(fmt, args...) \ | |
203 | do { \ | |
204 | drm_ut_debug_printk(DRM_UT_MODE, NULL, \ | |
205 | NULL, fmt, ##args); \ | |
206 | } while (0) | |
207 | #define DRM_LOG_DRIVER(fmt, args...) \ | |
208 | do { \ | |
209 | drm_ut_debug_printk(DRM_UT_DRIVER, NULL, \ | |
210 | NULL, fmt, ##args); \ | |
1da177e4 LT |
211 | } while (0) |
212 | #else | |
4fefcb27 | 213 | #define DRM_DEBUG_DRIVER(prefix, fmt, args...) do { } while (0) |
214 | #define DRM_DEBUG_KMS(prefix, fmt, args...) do { } while (0) | |
215 | #define DRM_DEBUG_MODE(prefix, fmt, args...) do { } while (0) | |
1da177e4 | 216 | #define DRM_DEBUG(fmt, arg...) do { } while (0) |
4fefcb27 | 217 | #define DRM_LOG(fmt, arg...) do { } while (0) |
218 | #define DRM_LOG_KMS(fmt, args...) do { } while (0) | |
219 | #define DRM_LOG_MODE(fmt, arg...) do { } while (0) | |
220 | #define DRM_LOG_DRIVER(fmt, arg...) do { } while (0) | |
221 | ||
1da177e4 LT |
222 | #endif |
223 | ||
224 | #define DRM_PROC_LIMIT (PAGE_SIZE-80) | |
225 | ||
226 | #define DRM_PROC_PRINT(fmt, arg...) \ | |
227 | len += sprintf(&buf[len], fmt , ##arg); \ | |
228 | if (len > DRM_PROC_LIMIT) { *eof = 1; return len - offset; } | |
229 | ||
230 | #define DRM_PROC_PRINT_RET(ret, fmt, arg...) \ | |
231 | len += sprintf(&buf[len], fmt , ##arg); \ | |
232 | if (len > DRM_PROC_LIMIT) { ret; *eof = 1; return len - offset; } | |
233 | ||
234 | /*@}*/ | |
235 | ||
1da177e4 LT |
236 | /***********************************************************************/ |
237 | /** \name Internal types and structures */ | |
238 | /*@{*/ | |
239 | ||
99a2657a | 240 | #define DRM_ARRAY_SIZE(x) ARRAY_SIZE(x) |
1da177e4 LT |
241 | |
242 | #define DRM_LEFTCOUNT(x) (((x)->rp + (x)->count - (x)->wp) % ((x)->count + 1)) | |
243 | #define DRM_BUFCOUNT(x) ((x)->count - DRM_LEFTCOUNT(x)) | |
244 | #define DRM_WAITCOUNT(dev,idx) DRM_BUFCOUNT(&dev->queuelist[idx]->waitlist) | |
245 | ||
246 | #define DRM_IF_VERSION(maj, min) (maj << 16 | min) | |
247 | /** | |
248 | * Get the private SAREA mapping. | |
249 | * | |
250 | * \param _dev DRM device. | |
251 | * \param _ctx context number. | |
252 | * \param _map output mapping. | |
253 | */ | |
254 | #define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \ | |
255 | (_map) = (_dev)->context_sareas[_ctx]; \ | |
256 | } while(0) | |
257 | ||
258 | /** | |
259 | * Test that the hardware lock is held by the caller, returning otherwise. | |
260 | * | |
261 | * \param dev DRM device. | |
262 | * \param filp file pointer of the caller. | |
263 | */ | |
dcae3626 RK |
264 | #define LOCK_TEST_WITH_RETURN( dev, _file_priv ) \ |
265 | do { \ | |
266 | if (!_DRM_LOCK_IS_HELD(_file_priv->master->lock.hw_lock->lock) || \ | |
267 | _file_priv->master->lock.file_priv != _file_priv) { \ | |
c153f45f | 268 | DRM_ERROR( "%s called without lock held, held %d owner %p %p\n",\ |
dcae3626 RK |
269 | __func__, _DRM_LOCK_IS_HELD(_file_priv->master->lock.hw_lock->lock),\ |
270 | _file_priv->master->lock.file_priv, _file_priv); \ | |
271 | return -EINVAL; \ | |
272 | } \ | |
1da177e4 LT |
273 | } while (0) |
274 | ||
275 | /** | |
276 | * Copy and IOCTL return string to user space | |
277 | */ | |
278 | #define DRM_COPY( name, value ) \ | |
279 | len = strlen( value ); \ | |
280 | if ( len > name##_len ) len = name##_len; \ | |
281 | name##_len = strlen( value ); \ | |
282 | if ( len && name ) { \ | |
283 | if ( copy_to_user( name, value, len ) ) \ | |
284 | return -EFAULT; \ | |
285 | } | |
b5e89ed5 | 286 | |
1da177e4 LT |
287 | /** |
288 | * Ioctl function type. | |
289 | * | |
290 | * \param inode device inode. | |
6c340eac | 291 | * \param file_priv DRM file private pointer. |
1da177e4 LT |
292 | * \param cmd command. |
293 | * \param arg argument. | |
294 | */ | |
c153f45f EA |
295 | typedef int drm_ioctl_t(struct drm_device *dev, void *data, |
296 | struct drm_file *file_priv); | |
1da177e4 | 297 | |
9a186645 DA |
298 | typedef int drm_ioctl_compat_t(struct file *filp, unsigned int cmd, |
299 | unsigned long arg); | |
300 | ||
a7a2cc31 DA |
301 | #define DRM_AUTH 0x1 |
302 | #define DRM_MASTER 0x2 | |
303 | #define DRM_ROOT_ONLY 0x4 | |
f453ba04 | 304 | #define DRM_CONTROL_ALLOW 0x8 |
a7a2cc31 | 305 | |
c153f45f EA |
306 | struct drm_ioctl_desc { |
307 | unsigned int cmd; | |
a7a2cc31 | 308 | int flags; |
c972d750 | 309 | drm_ioctl_t *func; |
c153f45f EA |
310 | }; |
311 | ||
312 | /** | |
313 | * Creates a driver or general drm_ioctl_desc array entry for the given | |
314 | * ioctl, for use by drm_ioctl(). | |
315 | */ | |
c972d750 RK |
316 | #define DRM_IOCTL_DEF(ioctl, _func, _flags) \ |
317 | [DRM_IOCTL_NR(ioctl)] = {.cmd = ioctl, .func = _func, .flags = _flags} | |
1da177e4 | 318 | |
8fc2fdf4 | 319 | struct drm_magic_entry { |
8669cbc5 | 320 | struct list_head head; |
e0be428e | 321 | struct drm_hash_item hash_item; |
b5e89ed5 | 322 | struct drm_file *priv; |
8fc2fdf4 | 323 | }; |
1da177e4 | 324 | |
8fc2fdf4 | 325 | struct drm_vma_entry { |
bd1b331f | 326 | struct list_head head; |
1da177e4 | 327 | struct vm_area_struct *vma; |
b5e89ed5 | 328 | pid_t pid; |
8fc2fdf4 | 329 | }; |
1da177e4 LT |
330 | |
331 | /** | |
332 | * DMA buffer. | |
333 | */ | |
056219e2 | 334 | struct drm_buf { |
b5e89ed5 DA |
335 | int idx; /**< Index into master buflist */ |
336 | int total; /**< Buffer size */ | |
337 | int order; /**< log-base-2(total) */ | |
338 | int used; /**< Amount of buffer in use (for DMA) */ | |
339 | unsigned long offset; /**< Byte offset (used internally) */ | |
340 | void *address; /**< Address of buffer */ | |
341 | unsigned long bus_address; /**< Bus address of buffer */ | |
342 | struct drm_buf *next; /**< Kernel-only: used for free list */ | |
343 | __volatile__ int waiting; /**< On kernel DMA queue */ | |
344 | __volatile__ int pending; /**< On hardware DMA queue */ | |
1da177e4 | 345 | wait_queue_head_t dma_wait; /**< Processes waiting */ |
6c340eac | 346 | struct drm_file *file_priv; /**< Private of holding file descr */ |
b5e89ed5 DA |
347 | int context; /**< Kernel queue for this buffer */ |
348 | int while_locked; /**< Dispatch this buffer while locked */ | |
1da177e4 | 349 | enum { |
b5e89ed5 DA |
350 | DRM_LIST_NONE = 0, |
351 | DRM_LIST_FREE = 1, | |
352 | DRM_LIST_WAIT = 2, | |
353 | DRM_LIST_PEND = 3, | |
354 | DRM_LIST_PRIO = 4, | |
1da177e4 | 355 | DRM_LIST_RECLAIM = 5 |
b5e89ed5 | 356 | } list; /**< Which list we're on */ |
1da177e4 | 357 | |
b5e89ed5 DA |
358 | int dev_priv_size; /**< Size of buffer private storage */ |
359 | void *dev_private; /**< Per-buffer private storage */ | |
056219e2 | 360 | }; |
1da177e4 | 361 | |
1da177e4 | 362 | /** bufs is one longer than it has to be */ |
cdd55a29 | 363 | struct drm_waitlist { |
b5e89ed5 | 364 | int count; /**< Number of possible buffers */ |
056219e2 DA |
365 | struct drm_buf **bufs; /**< List of pointers to buffers */ |
366 | struct drm_buf **rp; /**< Read pointer */ | |
367 | struct drm_buf **wp; /**< Write pointer */ | |
368 | struct drm_buf **end; /**< End pointer */ | |
b5e89ed5 DA |
369 | spinlock_t read_lock; |
370 | spinlock_t write_lock; | |
cdd55a29 | 371 | }; |
1da177e4 | 372 | |
cdd55a29 | 373 | struct drm_freelist { |
b5e89ed5 DA |
374 | int initialized; /**< Freelist in use */ |
375 | atomic_t count; /**< Number of free buffers */ | |
056219e2 | 376 | struct drm_buf *next; /**< End pointer */ |
1da177e4 LT |
377 | |
378 | wait_queue_head_t waiting; /**< Processes waiting on free bufs */ | |
b5e89ed5 DA |
379 | int low_mark; /**< Low water mark */ |
380 | int high_mark; /**< High water mark */ | |
381 | atomic_t wfh; /**< If waiting for high mark */ | |
382 | spinlock_t lock; | |
cdd55a29 | 383 | }; |
1da177e4 | 384 | |
ddf19b97 DA |
385 | typedef struct drm_dma_handle { |
386 | dma_addr_t busaddr; | |
387 | void *vaddr; | |
388 | size_t size; | |
389 | } drm_dma_handle_t; | |
390 | ||
1da177e4 LT |
391 | /** |
392 | * Buffer entry. There is one of this for each buffer size order. | |
393 | */ | |
cdd55a29 | 394 | struct drm_buf_entry { |
b5e89ed5 DA |
395 | int buf_size; /**< size */ |
396 | int buf_count; /**< number of buffers */ | |
056219e2 | 397 | struct drm_buf *buflist; /**< buffer list */ |
b5e89ed5 DA |
398 | int seg_count; |
399 | int page_order; | |
cdd55a29 | 400 | struct drm_dma_handle **seglist; |
b5e89ed5 | 401 | |
cdd55a29 DA |
402 | struct drm_freelist freelist; |
403 | }; | |
1da177e4 LT |
404 | |
405 | /** File private data */ | |
84b1fd10 | 406 | struct drm_file { |
b5e89ed5 | 407 | int authenticated; |
b5e89ed5 DA |
408 | pid_t pid; |
409 | uid_t uid; | |
410 | drm_magic_t magic; | |
411 | unsigned long ioctl_count; | |
bd1b331f | 412 | struct list_head lhead; |
2c14f28b | 413 | struct drm_minor *minor; |
b5e89ed5 | 414 | unsigned long lock_count; |
7c1c2871 | 415 | |
673a394b EA |
416 | /** Mapping of mm object handles to object pointers. */ |
417 | struct idr object_idr; | |
418 | /** Lock for synchronization of access to object_idr. */ | |
419 | spinlock_t table_lock; | |
7c1c2871 | 420 | |
6c340eac | 421 | struct file *filp; |
8562b3f2 | 422 | void *driver_priv; |
7c1c2871 DA |
423 | |
424 | int is_master; /* this file private is a master for a minor */ | |
425 | struct drm_master *master; /* master this node is currently associated with | |
426 | N.B. not always minor->master */ | |
f453ba04 | 427 | struct list_head fbs; |
84b1fd10 | 428 | }; |
1da177e4 LT |
429 | |
430 | /** Wait queue */ | |
cdd55a29 | 431 | struct drm_queue { |
b5e89ed5 DA |
432 | atomic_t use_count; /**< Outstanding uses (+1) */ |
433 | atomic_t finalization; /**< Finalization in progress */ | |
434 | atomic_t block_count; /**< Count of processes waiting */ | |
435 | atomic_t block_read; /**< Queue blocked for reads */ | |
1da177e4 | 436 | wait_queue_head_t read_queue; /**< Processes waiting on block_read */ |
b5e89ed5 | 437 | atomic_t block_write; /**< Queue blocked for writes */ |
1da177e4 | 438 | wait_queue_head_t write_queue; /**< Processes waiting on block_write */ |
b5e89ed5 DA |
439 | atomic_t total_queued; /**< Total queued statistic */ |
440 | atomic_t total_flushed; /**< Total flushes statistic */ | |
441 | atomic_t total_locks; /**< Total locks statistics */ | |
c60ce623 | 442 | enum drm_ctx_flags flags; /**< Context preserving and 2D-only */ |
cdd55a29 | 443 | struct drm_waitlist waitlist; /**< Pending buffers */ |
1da177e4 | 444 | wait_queue_head_t flush_queue; /**< Processes waiting until flush */ |
cdd55a29 | 445 | }; |
1da177e4 LT |
446 | |
447 | /** | |
448 | * Lock data. | |
449 | */ | |
55910517 | 450 | struct drm_lock_data { |
c60ce623 | 451 | struct drm_hw_lock *hw_lock; /**< Hardware lock */ |
8562b3f2 DA |
452 | /** Private of lock holder's file (NULL=kernel) */ |
453 | struct drm_file *file_priv; | |
1da177e4 | 454 | wait_queue_head_t lock_queue; /**< Queue of blocked processes */ |
b5e89ed5 | 455 | unsigned long lock_time; /**< Time of last lock in jiffies */ |
040ac320 TH |
456 | spinlock_t spinlock; |
457 | uint32_t kernel_waiters; | |
458 | uint32_t user_waiters; | |
459 | int idle_has_lock; | |
55910517 | 460 | }; |
1da177e4 LT |
461 | |
462 | /** | |
463 | * DMA data. | |
464 | */ | |
cdd55a29 | 465 | struct drm_device_dma { |
1da177e4 | 466 | |
cdd55a29 | 467 | struct drm_buf_entry bufs[DRM_MAX_ORDER + 1]; /**< buffers, grouped by their size order */ |
b5e89ed5 | 468 | int buf_count; /**< total number of buffers */ |
056219e2 | 469 | struct drm_buf **buflist; /**< Vector of pointers into drm_device_dma::bufs */ |
b5e89ed5 DA |
470 | int seg_count; |
471 | int page_count; /**< number of pages */ | |
472 | unsigned long *pagelist; /**< page list */ | |
473 | unsigned long byte_count; | |
1da177e4 LT |
474 | enum { |
475 | _DRM_DMA_USE_AGP = 0x01, | |
b5e89ed5 | 476 | _DRM_DMA_USE_SG = 0x02, |
3417f33e GS |
477 | _DRM_DMA_USE_FB = 0x04, |
478 | _DRM_DMA_USE_PCI_RO = 0x08 | |
1da177e4 LT |
479 | } flags; |
480 | ||
cdd55a29 | 481 | }; |
1da177e4 | 482 | |
b5e89ed5 | 483 | /** |
1da177e4 LT |
484 | * AGP memory entry. Stored as a doubly linked list. |
485 | */ | |
55910517 | 486 | struct drm_agp_mem { |
b5e89ed5 DA |
487 | unsigned long handle; /**< handle */ |
488 | DRM_AGP_MEM *memory; | |
489 | unsigned long bound; /**< address */ | |
490 | int pages; | |
bd1b331f | 491 | struct list_head head; |
55910517 | 492 | }; |
1da177e4 LT |
493 | |
494 | /** | |
495 | * AGP data. | |
496 | * | |
497 | * \sa drm_agp_init() and drm_device::agp. | |
498 | */ | |
55910517 | 499 | struct drm_agp_head { |
b5e89ed5 | 500 | DRM_AGP_KERN agp_info; /**< AGP device information */ |
bd1b331f | 501 | struct list_head memory; |
b5e89ed5 DA |
502 | unsigned long mode; /**< AGP mode */ |
503 | struct agp_bridge_data *bridge; | |
504 | int enabled; /**< whether the AGP bus as been enabled */ | |
505 | int acquired; /**< whether the AGP device has been acquired */ | |
506 | unsigned long base; | |
507 | int agp_mtrr; | |
508 | int cant_use_aperture; | |
509 | unsigned long page_mask; | |
55910517 | 510 | }; |
1da177e4 LT |
511 | |
512 | /** | |
513 | * Scatter-gather memory. | |
514 | */ | |
55910517 | 515 | struct drm_sg_mem { |
b5e89ed5 DA |
516 | unsigned long handle; |
517 | void *virtual; | |
518 | int pages; | |
519 | struct page **pagelist; | |
520 | dma_addr_t *busaddr; | |
55910517 | 521 | }; |
1da177e4 | 522 | |
55910517 | 523 | struct drm_sigdata { |
b5e89ed5 | 524 | int context; |
c60ce623 | 525 | struct drm_hw_lock *lock; |
55910517 | 526 | }; |
1da177e4 | 527 | |
8562b3f2 | 528 | |
f77d390c BH |
529 | /** |
530 | * Kernel side of a mapping | |
531 | */ | |
532 | struct drm_local_map { | |
41c2e75e | 533 | resource_size_t offset; /**< Requested physical address (0 for SAREA)*/ |
f77d390c BH |
534 | unsigned long size; /**< Requested physical size (bytes) */ |
535 | enum drm_map_type type; /**< Type of memory to map */ | |
536 | enum drm_map_flags flags; /**< Flags */ | |
537 | void *handle; /**< User-space: "Handle" to pass to mmap() */ | |
538 | /**< Kernel-space: kernel-virtual address */ | |
539 | int mtrr; /**< MTRR slot used */ | |
540 | }; | |
541 | ||
542 | typedef struct drm_local_map drm_local_map_t; | |
543 | ||
1da177e4 LT |
544 | /** |
545 | * Mappings list | |
546 | */ | |
55910517 | 547 | struct drm_map_list { |
b5e89ed5 | 548 | struct list_head head; /**< list head */ |
e0be428e | 549 | struct drm_hash_item hash; |
f77d390c | 550 | struct drm_local_map *map; /**< mapping */ |
8562b3f2 | 551 | uint64_t user_token; |
7c1c2871 | 552 | struct drm_master *master; |
a2c0a97b | 553 | struct drm_mm_node *file_offset_node; /**< fake offset */ |
55910517 | 554 | }; |
1da177e4 | 555 | |
1da177e4 LT |
556 | /** |
557 | * Context handle list | |
558 | */ | |
55910517 | 559 | struct drm_ctx_list { |
b5e89ed5 DA |
560 | struct list_head head; /**< list head */ |
561 | drm_context_t handle; /**< context handle */ | |
84b1fd10 | 562 | struct drm_file *tag; /**< associated fd private data */ |
55910517 | 563 | }; |
1da177e4 | 564 | |
ea98a92f DA |
565 | /* location of GART table */ |
566 | #define DRM_ATI_GART_MAIN 1 | |
567 | #define DRM_ATI_GART_FB 2 | |
568 | ||
f2b04cd2 DA |
569 | #define DRM_ATI_GART_PCI 1 |
570 | #define DRM_ATI_GART_PCIE 2 | |
571 | #define DRM_ATI_GART_IGP 3 | |
572 | ||
55910517 | 573 | struct drm_ati_pcigart_info { |
ea98a92f | 574 | int gart_table_location; |
f2b04cd2 | 575 | int gart_reg_if; |
f26c473c | 576 | void *addr; |
ea98a92f | 577 | dma_addr_t bus_addr; |
b05c2385 DA |
578 | dma_addr_t table_mask; |
579 | struct drm_dma_handle *table_handle; | |
f77d390c | 580 | struct drm_local_map mapping; |
f2b04cd2 | 581 | int table_size; |
55910517 | 582 | }; |
ea98a92f | 583 | |
a2c0a97b JB |
584 | /** |
585 | * GEM specific mm private for tracking GEM objects | |
586 | */ | |
587 | struct drm_gem_mm { | |
588 | struct drm_mm offset_manager; /**< Offset mgmt for buffer objects */ | |
589 | struct drm_open_hash offset_hash; /**< User token hash table for maps */ | |
590 | }; | |
591 | ||
673a394b EA |
592 | /** |
593 | * This structure defines the drm_mm memory object, which will be used by the | |
594 | * DRM for its buffer objects. | |
595 | */ | |
596 | struct drm_gem_object { | |
597 | /** Reference count of this object */ | |
598 | struct kref refcount; | |
599 | ||
600 | /** Handle count of this object. Each handle also holds a reference */ | |
601 | struct kref handlecount; | |
602 | ||
603 | /** Related drm device */ | |
604 | struct drm_device *dev; | |
605 | ||
606 | /** File representing the shmem storage */ | |
607 | struct file *filp; | |
608 | ||
a2c0a97b JB |
609 | /* Mapping info for this object */ |
610 | struct drm_map_list map_list; | |
611 | ||
673a394b EA |
612 | /** |
613 | * Size of the object, in bytes. Immutable over the object's | |
614 | * lifetime. | |
615 | */ | |
616 | size_t size; | |
617 | ||
618 | /** | |
619 | * Global name for this object, starts at 1. 0 means unnamed. | |
620 | * Access is covered by the object_name_lock in the related drm_device | |
621 | */ | |
622 | int name; | |
623 | ||
624 | /** | |
625 | * Memory domains. These monitor which caches contain read/write data | |
626 | * related to the object. When transitioning from one set of domains | |
627 | * to another, the driver is called to ensure that caches are suitably | |
628 | * flushed and invalidated | |
629 | */ | |
630 | uint32_t read_domains; | |
631 | uint32_t write_domain; | |
632 | ||
633 | /** | |
634 | * While validating an exec operation, the | |
635 | * new read/write domain values are computed here. | |
636 | * They will be transferred to the above values | |
637 | * at the point that any cache flushing occurs | |
638 | */ | |
639 | uint32_t pending_read_domains; | |
640 | uint32_t pending_write_domain; | |
641 | ||
642 | void *driver_private; | |
643 | }; | |
644 | ||
f453ba04 DA |
645 | #include "drm_crtc.h" |
646 | ||
7c1c2871 DA |
647 | /* per-master structure */ |
648 | struct drm_master { | |
649 | ||
650 | struct kref refcount; /* refcount for this master */ | |
651 | ||
652 | struct list_head head; /**< each minor contains a list of masters */ | |
653 | struct drm_minor *minor; /**< link back to minor we are a master for */ | |
654 | ||
655 | char *unique; /**< Unique identifier: e.g., busid */ | |
656 | int unique_len; /**< Length of unique field */ | |
1147c9cd | 657 | int unique_size; /**< amount allocated */ |
7c1c2871 DA |
658 | |
659 | int blocked; /**< Blocked due to VC switch? */ | |
660 | ||
661 | /** \name Authentication */ | |
662 | /*@{ */ | |
663 | struct drm_open_hash magiclist; | |
664 | struct list_head magicfree; | |
665 | /*@} */ | |
666 | ||
667 | struct drm_lock_data lock; /**< Information on hardware lock */ | |
668 | ||
669 | void *driver_priv; /**< Private structure for driver to use */ | |
670 | }; | |
671 | ||
1da177e4 LT |
672 | /** |
673 | * DRM driver structure. This structure represent the common code for | |
674 | * a family of cards. There will one drm_device for each card present | |
675 | * in this family | |
676 | */ | |
1da177e4 | 677 | struct drm_driver { |
22eae947 DA |
678 | int (*load) (struct drm_device *, unsigned long flags); |
679 | int (*firstopen) (struct drm_device *); | |
84b1fd10 | 680 | int (*open) (struct drm_device *, struct drm_file *); |
6c340eac | 681 | void (*preclose) (struct drm_device *, struct drm_file *file_priv); |
84b1fd10 | 682 | void (*postclose) (struct drm_device *, struct drm_file *); |
22eae947 DA |
683 | void (*lastclose) (struct drm_device *); |
684 | int (*unload) (struct drm_device *); | |
b932ccb5 | 685 | int (*suspend) (struct drm_device *, pm_message_t state); |
e8b962b6 | 686 | int (*resume) (struct drm_device *); |
c153f45f | 687 | int (*dma_ioctl) (struct drm_device *dev, void *data, struct drm_file *file_priv); |
b5e89ed5 DA |
688 | void (*dma_ready) (struct drm_device *); |
689 | int (*dma_quiescent) (struct drm_device *); | |
84b1fd10 DA |
690 | int (*context_ctor) (struct drm_device *dev, int context); |
691 | int (*context_dtor) (struct drm_device *dev, int context); | |
692 | int (*kernel_context_switch) (struct drm_device *dev, int old, | |
b5e89ed5 | 693 | int new); |
af6061af | 694 | void (*kernel_context_switch_unlock) (struct drm_device *dev); |
b5e89ed5 | 695 | |
0a3e67a4 JB |
696 | /** |
697 | * get_vblank_counter - get raw hardware vblank counter | |
698 | * @dev: DRM device | |
699 | * @crtc: counter to fetch | |
700 | * | |
701 | * Driver callback for fetching a raw hardware vblank counter | |
702 | * for @crtc. If a device doesn't have a hardware counter, the | |
703 | * driver can simply return the value of drm_vblank_count and | |
704 | * make the enable_vblank() and disable_vblank() hooks into no-ops, | |
705 | * leaving interrupts enabled at all times. | |
706 | * | |
707 | * Wraparound handling and loss of events due to modesetting is dealt | |
708 | * with in the DRM core code. | |
709 | * | |
710 | * RETURNS | |
711 | * Raw vblank counter value. | |
712 | */ | |
713 | u32 (*get_vblank_counter) (struct drm_device *dev, int crtc); | |
714 | ||
715 | /** | |
716 | * enable_vblank - enable vblank interrupt events | |
717 | * @dev: DRM device | |
718 | * @crtc: which irq to enable | |
719 | * | |
720 | * Enable vblank interrupts for @crtc. If the device doesn't have | |
721 | * a hardware vblank counter, this routine should be a no-op, since | |
722 | * interrupts will have to stay on to keep the count accurate. | |
723 | * | |
724 | * RETURNS | |
725 | * Zero on success, appropriate errno if the given @crtc's vblank | |
726 | * interrupt cannot be enabled. | |
727 | */ | |
728 | int (*enable_vblank) (struct drm_device *dev, int crtc); | |
729 | ||
730 | /** | |
731 | * disable_vblank - disable vblank interrupt events | |
732 | * @dev: DRM device | |
733 | * @crtc: which irq to enable | |
734 | * | |
735 | * Disable vblank interrupts for @crtc. If the device doesn't have | |
736 | * a hardware vblank counter, this routine should be a no-op, since | |
737 | * interrupts will have to stay on to keep the count accurate. | |
738 | */ | |
739 | void (*disable_vblank) (struct drm_device *dev, int crtc); | |
740 | ||
cda17380 DA |
741 | /** |
742 | * Called by \c drm_device_is_agp. Typically used to determine if a | |
743 | * card is really attached to AGP or not. | |
744 | * | |
745 | * \param dev DRM device handle | |
746 | * | |
747 | * \returns | |
748 | * One of three values is returned depending on whether or not the | |
749 | * card is absolutely \b not AGP (return of 0), absolutely \b is AGP | |
750 | * (return of 1), or may or may not be AGP (return of 2). | |
751 | */ | |
84b1fd10 | 752 | int (*device_is_agp) (struct drm_device *dev); |
cda17380 | 753 | |
1da177e4 | 754 | /* these have to be filled in */ |
b5e89ed5 | 755 | |
22eae947 | 756 | irqreturn_t(*irq_handler) (DRM_IRQ_ARGS); |
84b1fd10 | 757 | void (*irq_preinstall) (struct drm_device *dev); |
0a3e67a4 | 758 | int (*irq_postinstall) (struct drm_device *dev); |
84b1fd10 | 759 | void (*irq_uninstall) (struct drm_device *dev); |
6c340eac EA |
760 | void (*reclaim_buffers) (struct drm_device *dev, |
761 | struct drm_file * file_priv); | |
d985c108 | 762 | void (*reclaim_buffers_locked) (struct drm_device *dev, |
6c340eac | 763 | struct drm_file *file_priv); |
040ac320 | 764 | void (*reclaim_buffers_idlelocked) (struct drm_device *dev, |
6c340eac | 765 | struct drm_file *file_priv); |
41c2e75e BH |
766 | resource_size_t (*get_map_ofs) (struct drm_local_map * map); |
767 | resource_size_t (*get_reg_ofs) (struct drm_device *dev); | |
84b1fd10 | 768 | void (*set_version) (struct drm_device *dev, |
c60ce623 | 769 | struct drm_set_version *sv); |
22eae947 | 770 | |
7c1c2871 DA |
771 | /* Master routines */ |
772 | int (*master_create)(struct drm_device *dev, struct drm_master *master); | |
773 | void (*master_destroy)(struct drm_device *dev, struct drm_master *master); | |
774 | ||
673a394b EA |
775 | int (*proc_init)(struct drm_minor *minor); |
776 | void (*proc_cleanup)(struct drm_minor *minor); | |
955b12de BG |
777 | int (*debugfs_init)(struct drm_minor *minor); |
778 | void (*debugfs_cleanup)(struct drm_minor *minor); | |
673a394b EA |
779 | |
780 | /** | |
781 | * Driver-specific constructor for drm_gem_objects, to set up | |
782 | * obj->driver_private. | |
783 | * | |
784 | * Returns 0 on success. | |
785 | */ | |
786 | int (*gem_init_object) (struct drm_gem_object *obj); | |
787 | void (*gem_free_object) (struct drm_gem_object *obj); | |
788 | ||
a2c0a97b JB |
789 | /* Driver private ops for this object */ |
790 | struct vm_operations_struct *gem_vm_ops; | |
791 | ||
22eae947 DA |
792 | int major; |
793 | int minor; | |
794 | int patchlevel; | |
795 | char *name; | |
796 | char *desc; | |
797 | char *date; | |
798 | ||
1da177e4 LT |
799 | u32 driver_features; |
800 | int dev_priv_size; | |
c153f45f | 801 | struct drm_ioctl_desc *ioctls; |
1da177e4 LT |
802 | int num_ioctls; |
803 | struct file_operations fops; | |
804 | struct pci_driver pci_driver; | |
e7f7ab45 DA |
805 | /* List of devices hanging off this driver */ |
806 | struct list_head device_list; | |
1da177e4 LT |
807 | }; |
808 | ||
2c14f28b DA |
809 | #define DRM_MINOR_UNASSIGNED 0 |
810 | #define DRM_MINOR_LEGACY 1 | |
f453ba04 DA |
811 | #define DRM_MINOR_CONTROL 2 |
812 | #define DRM_MINOR_RENDER 3 | |
2c14f28b | 813 | |
955b12de BG |
814 | |
815 | /** | |
816 | * debugfs node list. This structure represents a debugfs file to | |
817 | * be created by the drm core | |
818 | */ | |
819 | struct drm_debugfs_list { | |
820 | const char *name; /** file name */ | |
821 | int (*show)(struct seq_file*, void*); /** show callback */ | |
822 | u32 driver_features; /**< Required driver features for this entry */ | |
823 | }; | |
824 | ||
825 | /** | |
826 | * debugfs node structure. This structure represents a debugfs file. | |
827 | */ | |
828 | struct drm_debugfs_node { | |
829 | struct list_head list; | |
830 | struct drm_minor *minor; | |
831 | struct drm_debugfs_list *debugfs_ent; | |
832 | struct dentry *dent; | |
833 | }; | |
834 | ||
835 | /** | |
836 | * Info file list entry. This structure represents a debugfs or proc file to | |
837 | * be created by the drm core | |
838 | */ | |
839 | struct drm_info_list { | |
840 | const char *name; /** file name */ | |
841 | int (*show)(struct seq_file*, void*); /** show callback */ | |
842 | u32 driver_features; /**< Required driver features for this entry */ | |
843 | void *data; | |
844 | }; | |
845 | ||
846 | /** | |
847 | * debugfs node structure. This structure represents a debugfs file. | |
848 | */ | |
849 | struct drm_info_node { | |
850 | struct list_head list; | |
851 | struct drm_minor *minor; | |
852 | struct drm_info_list *info_ent; | |
853 | struct dentry *dent; | |
854 | }; | |
855 | ||
1da177e4 | 856 | /** |
2c14f28b | 857 | * DRM minor structure. This structure represents a drm minor number. |
1da177e4 | 858 | */ |
2c14f28b DA |
859 | struct drm_minor { |
860 | int index; /**< Minor device number */ | |
861 | int type; /**< Control or render */ | |
862 | dev_t device; /**< Device number for mknod */ | |
863 | struct device kdev; /**< Linux device */ | |
1da177e4 | 864 | struct drm_device *dev; |
955b12de BG |
865 | |
866 | struct proc_dir_entry *proc_root; /**< proc directory entry */ | |
867 | struct drm_info_node proc_nodes; | |
868 | struct dentry *debugfs_root; | |
869 | struct drm_info_node debugfs_nodes; | |
870 | ||
7c1c2871 DA |
871 | struct drm_master *master; /* currently active master for this node */ |
872 | struct list_head master_list; | |
f453ba04 | 873 | struct drm_mode_group mode_group; |
84b1fd10 | 874 | }; |
1da177e4 LT |
875 | |
876 | /** | |
877 | * DRM device structure. This structure represent a complete card that | |
878 | * may contain multiple heads. | |
879 | */ | |
84b1fd10 | 880 | struct drm_device { |
e7f7ab45 | 881 | struct list_head driver_item; /**< list of devices per driver */ |
b5e89ed5 DA |
882 | char *devname; /**< For /proc/interrupts */ |
883 | int if_version; /**< Highest interface version set */ | |
1da177e4 | 884 | |
1da177e4 | 885 | /** \name Locks */ |
b5e89ed5 DA |
886 | /*@{ */ |
887 | spinlock_t count_lock; /**< For inuse, drm_device::open_count, drm_device::buf_use */ | |
30e2fb18 | 888 | struct mutex struct_mutex; /**< For others */ |
b5e89ed5 | 889 | /*@} */ |
1da177e4 LT |
890 | |
891 | /** \name Usage Counters */ | |
b5e89ed5 DA |
892 | /*@{ */ |
893 | int open_count; /**< Outstanding files open */ | |
894 | atomic_t ioctl_count; /**< Outstanding IOCTLs pending */ | |
895 | atomic_t vma_count; /**< Outstanding vma areas open */ | |
896 | int buf_use; /**< Buffers in use -- cannot alloc */ | |
897 | atomic_t buf_alloc; /**< Buffer allocation in progress */ | |
898 | /*@} */ | |
1da177e4 LT |
899 | |
900 | /** \name Performance counters */ | |
b5e89ed5 DA |
901 | /*@{ */ |
902 | unsigned long counters; | |
c60ce623 | 903 | enum drm_stat_type types[15]; |
b5e89ed5 DA |
904 | atomic_t counts[15]; |
905 | /*@} */ | |
1da177e4 | 906 | |
bd1b331f | 907 | struct list_head filelist; |
1da177e4 LT |
908 | |
909 | /** \name Memory management */ | |
b5e89ed5 | 910 | /*@{ */ |
bd1b331f | 911 | struct list_head maplist; /**< Linked list of regions */ |
b5e89ed5 | 912 | int map_count; /**< Number of mappable regions */ |
e0be428e | 913 | struct drm_open_hash map_hash; /**< User token hash table for maps */ |
1da177e4 LT |
914 | |
915 | /** \name Context handle management */ | |
b5e89ed5 | 916 | /*@{ */ |
bd1b331f | 917 | struct list_head ctxlist; /**< Linked list of context handles */ |
b5e89ed5 | 918 | int ctx_count; /**< Number of context handles */ |
30e2fb18 | 919 | struct mutex ctxlist_mutex; /**< For ctxlist */ |
1da177e4 | 920 | |
62968144 | 921 | struct idr ctx_idr; |
1da177e4 | 922 | |
bd1b331f | 923 | struct list_head vmalist; /**< List of vmas (for debugging) */ |
f453ba04 | 924 | |
b5e89ed5 | 925 | /*@} */ |
1da177e4 LT |
926 | |
927 | /** \name DMA queues (contexts) */ | |
b5e89ed5 DA |
928 | /*@{ */ |
929 | int queue_count; /**< Number of active DMA queues */ | |
930 | int queue_reserved; /**< Number of reserved DMA queues */ | |
931 | int queue_slots; /**< Actual length of queuelist */ | |
cdd55a29 DA |
932 | struct drm_queue **queuelist; /**< Vector of pointers to DMA queues */ |
933 | struct drm_device_dma *dma; /**< Optional pointer for DMA support */ | |
b5e89ed5 | 934 | /*@} */ |
1da177e4 LT |
935 | |
936 | /** \name Context support */ | |
b5e89ed5 | 937 | /*@{ */ |
b5e89ed5 | 938 | int irq_enabled; /**< True if irq handler is enabled */ |
1da177e4 LT |
939 | __volatile__ long context_flag; /**< Context swapping flag */ |
940 | __volatile__ long interrupt_flag; /**< Interruption handler flag */ | |
941 | __volatile__ long dma_flag; /**< DMA dispatch flag */ | |
942 | struct timer_list timer; /**< Timer for delaying ctx switch */ | |
b5e89ed5 DA |
943 | wait_queue_head_t context_wait; /**< Processes waiting on ctx switch */ |
944 | int last_checked; /**< Last context checked for DMA */ | |
945 | int last_context; /**< Last current context */ | |
946 | unsigned long last_switch; /**< jiffies at last context switch */ | |
947 | /*@} */ | |
948 | ||
949 | struct work_struct work; | |
1da177e4 | 950 | /** \name VBLANK IRQ support */ |
b5e89ed5 DA |
951 | /*@{ */ |
952 | ||
0a3e67a4 JB |
953 | /* |
954 | * At load time, disabling the vblank interrupt won't be allowed since | |
955 | * old clients may not call the modeset ioctl and therefore misbehave. | |
956 | * Once the modeset ioctl *has* been called though, we can safely | |
957 | * disable them when unused. | |
958 | */ | |
959 | int vblank_disable_allowed; | |
960 | ||
961 | wait_queue_head_t *vbl_queue; /**< VBLANK wait queue */ | |
962 | atomic_t *_vblank_count; /**< number of VBLANK interrupts (driver must alloc the right number of counters) */ | |
b5e89ed5 | 963 | spinlock_t vbl_lock; |
0a3e67a4 JB |
964 | atomic_t *vblank_refcount; /* number of users of vblank interruptsper crtc */ |
965 | u32 *last_vblank; /* protected by dev->vbl_lock, used */ | |
966 | /* for wraparound handling */ | |
967 | int *vblank_enabled; /* so we don't call enable more than | |
968 | once per disable */ | |
969 | int *vblank_inmodeset; /* Display driver is setting mode */ | |
fede5c91 | 970 | u32 *last_vblank_wait; /* Last vblank seqno waited per CRTC */ |
0a3e67a4 JB |
971 | struct timer_list vblank_disable_timer; |
972 | ||
973 | u32 max_vblank_count; /**< size of vblank counter register */ | |
b5e89ed5 DA |
974 | |
975 | /*@} */ | |
976 | cycles_t ctx_start; | |
977 | cycles_t lck_start; | |
978 | ||
1da177e4 LT |
979 | struct fasync_struct *buf_async;/**< Processes waiting for SIGIO */ |
980 | wait_queue_head_t buf_readers; /**< Processes waiting to read */ | |
981 | wait_queue_head_t buf_writers; /**< Processes waiting to ctx switch */ | |
982 | ||
55910517 | 983 | struct drm_agp_head *agp; /**< AGP data */ |
1da177e4 | 984 | |
b5e89ed5 | 985 | struct pci_dev *pdev; /**< PCI device structure */ |
2f02cc3f EA |
986 | int pci_vendor; /**< PCI vendor id */ |
987 | int pci_device; /**< PCI device id */ | |
1da177e4 | 988 | #ifdef __alpha__ |
1da177e4 | 989 | struct pci_controller *hose; |
1da177e4 | 990 | #endif |
55910517 | 991 | struct drm_sg_mem *sg; /**< Scatter gather memory */ |
0a3e67a4 | 992 | int num_crtcs; /**< Number of CRTCs on this device */ |
b5e89ed5 | 993 | void *dev_private; /**< device private data */ |
a2c0a97b JB |
994 | void *mm_private; |
995 | struct address_space *dev_mapping; | |
55910517 | 996 | struct drm_sigdata sigdata; /**< For block_all_signals */ |
b5e89ed5 DA |
997 | sigset_t sigmask; |
998 | ||
999 | struct drm_driver *driver; | |
f77d390c | 1000 | struct drm_local_map *agp_buffer_map; |
d1f2b55a | 1001 | unsigned int agp_buffer_token; |
f453ba04 | 1002 | struct drm_minor *control; /**< Control node for card */ |
2c14f28b | 1003 | struct drm_minor *primary; /**< render type primary screen head */ |
bea5679f MCA |
1004 | |
1005 | /** \name Drawable information */ | |
1006 | /*@{ */ | |
1007 | spinlock_t drw_lock; | |
d4e2cbe9 | 1008 | struct idr drw_idr; |
bea5679f | 1009 | /*@} */ |
673a394b | 1010 | |
f453ba04 DA |
1011 | struct drm_mode_config mode_config; /**< Current mode config */ |
1012 | ||
673a394b EA |
1013 | /** \name GEM information */ |
1014 | /*@{ */ | |
1015 | spinlock_t object_name_lock; | |
1016 | struct idr object_name_idr; | |
1017 | atomic_t object_count; | |
1018 | atomic_t object_memory; | |
1019 | atomic_t pin_count; | |
1020 | atomic_t pin_memory; | |
1021 | atomic_t gtt_count; | |
1022 | atomic_t gtt_memory; | |
1023 | uint32_t gtt_total; | |
1024 | uint32_t invalidate_domains; /* domains pending invalidation */ | |
1025 | uint32_t flush_domains; /* domains pending flush */ | |
1026 | /*@} */ | |
1027 | ||
84b1fd10 | 1028 | }; |
1da177e4 | 1029 | |
9bfbd5cb JB |
1030 | static inline int drm_dev_to_irq(struct drm_device *dev) |
1031 | { | |
1032 | return dev->pdev->irq; | |
1033 | } | |
1034 | ||
b5e89ed5 DA |
1035 | static __inline__ int drm_core_check_feature(struct drm_device *dev, |
1036 | int feature) | |
1da177e4 LT |
1037 | { |
1038 | return ((dev->driver->driver_features & feature) ? 1 : 0); | |
1039 | } | |
1040 | ||
33229601 | 1041 | #ifdef __alpha__ |
6244270e | 1042 | #define drm_get_pci_domain(dev) dev->hose->index |
33229601 | 1043 | #else |
9b1a51b6 | 1044 | #define drm_get_pci_domain(dev) 0 |
33229601 DA |
1045 | #endif |
1046 | ||
1da177e4 LT |
1047 | #if __OS_HAS_AGP |
1048 | static inline int drm_core_has_AGP(struct drm_device *dev) | |
1049 | { | |
b5e89ed5 | 1050 | return drm_core_check_feature(dev, DRIVER_USE_AGP); |
1da177e4 LT |
1051 | } |
1052 | #else | |
1053 | #define drm_core_has_AGP(dev) (0) | |
1054 | #endif | |
1055 | ||
1056 | #if __OS_HAS_MTRR | |
1057 | static inline int drm_core_has_MTRR(struct drm_device *dev) | |
1058 | { | |
b5e89ed5 | 1059 | return drm_core_check_feature(dev, DRIVER_USE_MTRR); |
1da177e4 | 1060 | } |
269dc512 DA |
1061 | |
1062 | #define DRM_MTRR_WC MTRR_TYPE_WRCOMB | |
1063 | ||
1064 | static inline int drm_mtrr_add(unsigned long offset, unsigned long size, | |
1065 | unsigned int flags) | |
1066 | { | |
1067 | return mtrr_add(offset, size, flags, 1); | |
1068 | } | |
1069 | ||
1070 | static inline int drm_mtrr_del(int handle, unsigned long offset, | |
1071 | unsigned long size, unsigned int flags) | |
1072 | { | |
1073 | return mtrr_del(handle, offset, size); | |
1074 | } | |
1075 | ||
1da177e4 LT |
1076 | #else |
1077 | #define drm_core_has_MTRR(dev) (0) | |
9c7d462e DA |
1078 | |
1079 | #define DRM_MTRR_WC 0 | |
1080 | ||
1081 | static inline int drm_mtrr_add(unsigned long offset, unsigned long size, | |
1082 | unsigned int flags) | |
1083 | { | |
1084 | return 0; | |
1085 | } | |
1086 | ||
1087 | static inline int drm_mtrr_del(int handle, unsigned long offset, | |
1088 | unsigned long size, unsigned int flags) | |
1089 | { | |
1090 | return 0; | |
1091 | } | |
1da177e4 LT |
1092 | #endif |
1093 | ||
1094 | /******************************************************************/ | |
1095 | /** \name Internal function definitions */ | |
1096 | /*@{*/ | |
1097 | ||
1da177e4 | 1098 | /* Driver support (drm_drv.h) */ |
b5e89ed5 DA |
1099 | extern int drm_init(struct drm_driver *driver); |
1100 | extern void drm_exit(struct drm_driver *driver); | |
1101 | extern int drm_ioctl(struct inode *inode, struct file *filp, | |
1102 | unsigned int cmd, unsigned long arg); | |
1103 | extern long drm_compat_ioctl(struct file *filp, | |
1104 | unsigned int cmd, unsigned long arg); | |
84b1fd10 | 1105 | extern int drm_lastclose(struct drm_device *dev); |
1da177e4 LT |
1106 | |
1107 | /* Device support (drm_fops.h) */ | |
b5e89ed5 DA |
1108 | extern int drm_open(struct inode *inode, struct file *filp); |
1109 | extern int drm_stub_open(struct inode *inode, struct file *filp); | |
b5e89ed5 DA |
1110 | extern int drm_fasync(int fd, struct file *filp, int on); |
1111 | extern int drm_release(struct inode *inode, struct file *filp); | |
1da177e4 LT |
1112 | |
1113 | /* Mapping support (drm_vm.h) */ | |
b5e89ed5 | 1114 | extern int drm_mmap(struct file *filp, struct vm_area_struct *vma); |
a2c0a97b JB |
1115 | extern int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma); |
1116 | extern void drm_vm_open_locked(struct vm_area_struct *vma); | |
41c2e75e BH |
1117 | extern resource_size_t drm_core_get_map_ofs(struct drm_local_map * map); |
1118 | extern resource_size_t drm_core_get_reg_ofs(struct drm_device *dev); | |
b5e89ed5 | 1119 | extern unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait); |
1da177e4 LT |
1120 | |
1121 | /* Memory management support (drm_memory.h) */ | |
1122 | #include "drm_memory.h" | |
b5e89ed5 DA |
1123 | extern void drm_mem_init(void); |
1124 | extern int drm_mem_info(char *buf, char **start, off_t offset, | |
1125 | int request, int *eof, void *data); | |
1126 | extern void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area); | |
b5e89ed5 | 1127 | |
84b1fd10 | 1128 | extern DRM_AGP_MEM *drm_alloc_agp(struct drm_device *dev, int pages, u32 type); |
b5e89ed5 DA |
1129 | extern int drm_free_agp(DRM_AGP_MEM * handle, int pages); |
1130 | extern int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start); | |
673a394b EA |
1131 | extern DRM_AGP_MEM *drm_agp_bind_pages(struct drm_device *dev, |
1132 | struct page **pages, | |
1133 | unsigned long num_pages, | |
ba1eb1d8 KP |
1134 | uint32_t gtt_offset, |
1135 | uint32_t type); | |
b5e89ed5 | 1136 | extern int drm_unbind_agp(DRM_AGP_MEM * handle); |
1da177e4 LT |
1137 | |
1138 | /* Misc. IOCTL support (drm_ioctl.h) */ | |
c153f45f EA |
1139 | extern int drm_irq_by_busid(struct drm_device *dev, void *data, |
1140 | struct drm_file *file_priv); | |
1141 | extern int drm_getunique(struct drm_device *dev, void *data, | |
1142 | struct drm_file *file_priv); | |
1143 | extern int drm_setunique(struct drm_device *dev, void *data, | |
1144 | struct drm_file *file_priv); | |
1145 | extern int drm_getmap(struct drm_device *dev, void *data, | |
1146 | struct drm_file *file_priv); | |
1147 | extern int drm_getclient(struct drm_device *dev, void *data, | |
1148 | struct drm_file *file_priv); | |
1149 | extern int drm_getstats(struct drm_device *dev, void *data, | |
1150 | struct drm_file *file_priv); | |
1151 | extern int drm_setversion(struct drm_device *dev, void *data, | |
1152 | struct drm_file *file_priv); | |
1153 | extern int drm_noop(struct drm_device *dev, void *data, | |
1154 | struct drm_file *file_priv); | |
1da177e4 LT |
1155 | |
1156 | /* Context IOCTL support (drm_context.h) */ | |
c153f45f EA |
1157 | extern int drm_resctx(struct drm_device *dev, void *data, |
1158 | struct drm_file *file_priv); | |
1159 | extern int drm_addctx(struct drm_device *dev, void *data, | |
1160 | struct drm_file *file_priv); | |
1161 | extern int drm_modctx(struct drm_device *dev, void *data, | |
1162 | struct drm_file *file_priv); | |
1163 | extern int drm_getctx(struct drm_device *dev, void *data, | |
1164 | struct drm_file *file_priv); | |
1165 | extern int drm_switchctx(struct drm_device *dev, void *data, | |
1166 | struct drm_file *file_priv); | |
1167 | extern int drm_newctx(struct drm_device *dev, void *data, | |
1168 | struct drm_file *file_priv); | |
1169 | extern int drm_rmctx(struct drm_device *dev, void *data, | |
1170 | struct drm_file *file_priv); | |
b5e89ed5 | 1171 | |
84b1fd10 DA |
1172 | extern int drm_ctxbitmap_init(struct drm_device *dev); |
1173 | extern void drm_ctxbitmap_cleanup(struct drm_device *dev); | |
1174 | extern void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle); | |
b5e89ed5 | 1175 | |
c153f45f EA |
1176 | extern int drm_setsareactx(struct drm_device *dev, void *data, |
1177 | struct drm_file *file_priv); | |
1178 | extern int drm_getsareactx(struct drm_device *dev, void *data, | |
1179 | struct drm_file *file_priv); | |
1da177e4 LT |
1180 | |
1181 | /* Drawable IOCTL support (drm_drawable.h) */ | |
c153f45f EA |
1182 | extern int drm_adddraw(struct drm_device *dev, void *data, |
1183 | struct drm_file *file_priv); | |
1184 | extern int drm_rmdraw(struct drm_device *dev, void *data, | |
1185 | struct drm_file *file_priv); | |
1186 | extern int drm_update_drawable_info(struct drm_device *dev, void *data, | |
1187 | struct drm_file *file_priv); | |
84b1fd10 | 1188 | extern struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev, |
bea5679f | 1189 | drm_drawable_t id); |
d4e2cbe9 | 1190 | extern void drm_drawable_free_all(struct drm_device *dev); |
1da177e4 LT |
1191 | |
1192 | /* Authentication IOCTL support (drm_auth.h) */ | |
c153f45f EA |
1193 | extern int drm_getmagic(struct drm_device *dev, void *data, |
1194 | struct drm_file *file_priv); | |
1195 | extern int drm_authmagic(struct drm_device *dev, void *data, | |
1196 | struct drm_file *file_priv); | |
1da177e4 | 1197 | |
673a394b EA |
1198 | /* Cache management (drm_cache.c) */ |
1199 | void drm_clflush_pages(struct page *pages[], unsigned long num_pages); | |
1200 | ||
1da177e4 | 1201 | /* Locking IOCTL support (drm_lock.h) */ |
c153f45f EA |
1202 | extern int drm_lock(struct drm_device *dev, void *data, |
1203 | struct drm_file *file_priv); | |
1204 | extern int drm_unlock(struct drm_device *dev, void *data, | |
1205 | struct drm_file *file_priv); | |
55910517 DA |
1206 | extern int drm_lock_take(struct drm_lock_data *lock_data, unsigned int context); |
1207 | extern int drm_lock_free(struct drm_lock_data *lock_data, unsigned int context); | |
1208 | extern void drm_idlelock_take(struct drm_lock_data *lock_data); | |
1209 | extern void drm_idlelock_release(struct drm_lock_data *lock_data); | |
040ac320 TH |
1210 | |
1211 | /* | |
1212 | * These are exported to drivers so that they can implement fencing using | |
1213 | * DMA quiscent + idle. DMA quiescent usually requires the hardware lock. | |
1214 | */ | |
1215 | ||
c153f45f | 1216 | extern int drm_i_have_hw_lock(struct drm_device *dev, struct drm_file *file_priv); |
1da177e4 LT |
1217 | |
1218 | /* Buffer management support (drm_bufs.h) */ | |
84b1fd10 DA |
1219 | extern int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc * request); |
1220 | extern int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc * request); | |
41c2e75e | 1221 | extern int drm_addmap(struct drm_device *dev, resource_size_t offset, |
c60ce623 | 1222 | unsigned int size, enum drm_map_type type, |
f77d390c | 1223 | enum drm_map_flags flags, struct drm_local_map **map_ptr); |
c153f45f EA |
1224 | extern int drm_addmap_ioctl(struct drm_device *dev, void *data, |
1225 | struct drm_file *file_priv); | |
f77d390c BH |
1226 | extern int drm_rmmap(struct drm_device *dev, struct drm_local_map *map); |
1227 | extern int drm_rmmap_locked(struct drm_device *dev, struct drm_local_map *map); | |
c153f45f EA |
1228 | extern int drm_rmmap_ioctl(struct drm_device *dev, void *data, |
1229 | struct drm_file *file_priv); | |
1230 | extern int drm_addbufs(struct drm_device *dev, void *data, | |
1231 | struct drm_file *file_priv); | |
1232 | extern int drm_infobufs(struct drm_device *dev, void *data, | |
1233 | struct drm_file *file_priv); | |
1234 | extern int drm_markbufs(struct drm_device *dev, void *data, | |
1235 | struct drm_file *file_priv); | |
1236 | extern int drm_freebufs(struct drm_device *dev, void *data, | |
1237 | struct drm_file *file_priv); | |
1238 | extern int drm_mapbufs(struct drm_device *dev, void *data, | |
1239 | struct drm_file *file_priv); | |
b5e89ed5 | 1240 | extern int drm_order(unsigned long size); |
d883f7f1 BH |
1241 | extern resource_size_t drm_get_resource_start(struct drm_device *dev, |
1242 | unsigned int resource); | |
1243 | extern resource_size_t drm_get_resource_len(struct drm_device *dev, | |
836cf046 | 1244 | unsigned int resource); |
1da177e4 LT |
1245 | |
1246 | /* DMA support (drm_dma.h) */ | |
84b1fd10 DA |
1247 | extern int drm_dma_setup(struct drm_device *dev); |
1248 | extern void drm_dma_takedown(struct drm_device *dev); | |
056219e2 | 1249 | extern void drm_free_buffer(struct drm_device *dev, struct drm_buf * buf); |
6c340eac EA |
1250 | extern void drm_core_reclaim_buffers(struct drm_device *dev, |
1251 | struct drm_file *filp); | |
1da177e4 LT |
1252 | |
1253 | /* IRQ support (drm_irq.h) */ | |
c153f45f EA |
1254 | extern int drm_control(struct drm_device *dev, void *data, |
1255 | struct drm_file *file_priv); | |
b5e89ed5 | 1256 | extern irqreturn_t drm_irq_handler(DRM_IRQ_ARGS); |
dbb19d30 | 1257 | extern int drm_irq_install(struct drm_device *dev); |
84b1fd10 DA |
1258 | extern int drm_irq_uninstall(struct drm_device *dev); |
1259 | extern void drm_driver_irq_preinstall(struct drm_device *dev); | |
1260 | extern void drm_driver_irq_postinstall(struct drm_device *dev); | |
1261 | extern void drm_driver_irq_uninstall(struct drm_device *dev); | |
b5e89ed5 | 1262 | |
0a3e67a4 | 1263 | extern int drm_vblank_init(struct drm_device *dev, int num_crtcs); |
af6061af | 1264 | extern int drm_wait_vblank(struct drm_device *dev, void *data, |
0a3e67a4 | 1265 | struct drm_file *filp); |
af6061af | 1266 | extern int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq); |
0a3e67a4 JB |
1267 | extern u32 drm_vblank_count(struct drm_device *dev, int crtc); |
1268 | extern void drm_handle_vblank(struct drm_device *dev, int crtc); | |
1269 | extern int drm_vblank_get(struct drm_device *dev, int crtc); | |
1270 | extern void drm_vblank_put(struct drm_device *dev, int crtc); | |
52440211 | 1271 | extern void drm_vblank_cleanup(struct drm_device *dev); |
0a3e67a4 | 1272 | /* Modesetting support */ |
f453ba04 DA |
1273 | extern void drm_vblank_pre_modeset(struct drm_device *dev, int crtc); |
1274 | extern void drm_vblank_post_modeset(struct drm_device *dev, int crtc); | |
0a3e67a4 JB |
1275 | extern int drm_modeset_ctl(struct drm_device *dev, void *data, |
1276 | struct drm_file *file_priv); | |
1da177e4 LT |
1277 | |
1278 | /* AGP/GART support (drm_agpsupport.h) */ | |
55910517 | 1279 | extern struct drm_agp_head *drm_agp_init(struct drm_device *dev); |
84b1fd10 | 1280 | extern int drm_agp_acquire(struct drm_device *dev); |
c153f45f EA |
1281 | extern int drm_agp_acquire_ioctl(struct drm_device *dev, void *data, |
1282 | struct drm_file *file_priv); | |
84b1fd10 | 1283 | extern int drm_agp_release(struct drm_device *dev); |
c153f45f EA |
1284 | extern int drm_agp_release_ioctl(struct drm_device *dev, void *data, |
1285 | struct drm_file *file_priv); | |
84b1fd10 | 1286 | extern int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode); |
c153f45f EA |
1287 | extern int drm_agp_enable_ioctl(struct drm_device *dev, void *data, |
1288 | struct drm_file *file_priv); | |
1289 | extern int drm_agp_info(struct drm_device *dev, struct drm_agp_info *info); | |
1290 | extern int drm_agp_info_ioctl(struct drm_device *dev, void *data, | |
1291 | struct drm_file *file_priv); | |
84b1fd10 | 1292 | extern int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request); |
c153f45f EA |
1293 | extern int drm_agp_alloc_ioctl(struct drm_device *dev, void *data, |
1294 | struct drm_file *file_priv); | |
84b1fd10 | 1295 | extern int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request); |
c153f45f EA |
1296 | extern int drm_agp_free_ioctl(struct drm_device *dev, void *data, |
1297 | struct drm_file *file_priv); | |
84b1fd10 | 1298 | extern int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request); |
c153f45f EA |
1299 | extern int drm_agp_unbind_ioctl(struct drm_device *dev, void *data, |
1300 | struct drm_file *file_priv); | |
84b1fd10 | 1301 | extern int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request); |
c153f45f EA |
1302 | extern int drm_agp_bind_ioctl(struct drm_device *dev, void *data, |
1303 | struct drm_file *file_priv); | |
1304 | extern DRM_AGP_MEM *drm_agp_allocate_memory(struct agp_bridge_data *bridge, size_t pages, u32 type); | |
b5e89ed5 DA |
1305 | extern int drm_agp_free_memory(DRM_AGP_MEM * handle); |
1306 | extern int drm_agp_bind_memory(DRM_AGP_MEM * handle, off_t start); | |
1307 | extern int drm_agp_unbind_memory(DRM_AGP_MEM * handle); | |
673a394b | 1308 | extern void drm_agp_chipset_flush(struct drm_device *dev); |
1da177e4 LT |
1309 | |
1310 | /* Stub support (drm_stub.h) */ | |
7c1c2871 DA |
1311 | extern int drm_setmaster_ioctl(struct drm_device *dev, void *data, |
1312 | struct drm_file *file_priv); | |
1313 | extern int drm_dropmaster_ioctl(struct drm_device *dev, void *data, | |
1314 | struct drm_file *file_priv); | |
1315 | struct drm_master *drm_master_create(struct drm_minor *minor); | |
1316 | extern struct drm_master *drm_master_get(struct drm_master *master); | |
1317 | extern void drm_master_put(struct drm_master **master); | |
1da177e4 | 1318 | extern int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent, |
b5e89ed5 | 1319 | struct drm_driver *driver); |
112b715e | 1320 | extern void drm_put_dev(struct drm_device *dev); |
2c14f28b | 1321 | extern int drm_put_minor(struct drm_minor **minor); |
b5e89ed5 | 1322 | extern unsigned int drm_debug; |
2c14f28b | 1323 | |
0650fd58 | 1324 | extern struct class *drm_class; |
1da177e4 | 1325 | extern struct proc_dir_entry *drm_proc_root; |
955b12de | 1326 | extern struct dentry *drm_debugfs_root; |
1da177e4 | 1327 | |
2c14f28b DA |
1328 | extern struct idr drm_minors_idr; |
1329 | ||
f77d390c | 1330 | extern struct drm_local_map *drm_getsarea(struct drm_device *dev); |
da509d7a | 1331 | |
1da177e4 | 1332 | /* Proc support (drm_proc.h) */ |
2c14f28b DA |
1333 | extern int drm_proc_init(struct drm_minor *minor, int minor_id, |
1334 | struct proc_dir_entry *root); | |
1335 | extern int drm_proc_cleanup(struct drm_minor *minor, struct proc_dir_entry *root); | |
1da177e4 | 1336 | |
955b12de BG |
1337 | /* Debugfs support */ |
1338 | #if defined(CONFIG_DEBUG_FS) | |
1339 | extern int drm_debugfs_init(struct drm_minor *minor, int minor_id, | |
1340 | struct dentry *root); | |
1341 | extern int drm_debugfs_create_files(struct drm_info_list *files, int count, | |
1342 | struct dentry *root, struct drm_minor *minor); | |
1343 | extern int drm_debugfs_remove_files(struct drm_info_list *files, int count, | |
1344 | struct drm_minor *minor); | |
1345 | extern int drm_debugfs_cleanup(struct drm_minor *minor); | |
1346 | #endif | |
1347 | ||
1348 | /* Info file support */ | |
1349 | extern int drm_name_info(struct seq_file *m, void *data); | |
1350 | extern int drm_vm_info(struct seq_file *m, void *data); | |
1351 | extern int drm_queues_info(struct seq_file *m, void *data); | |
1352 | extern int drm_bufs_info(struct seq_file *m, void *data); | |
1353 | extern int drm_vblank_info(struct seq_file *m, void *data); | |
1354 | extern int drm_clients_info(struct seq_file *m, void* data); | |
1355 | extern int drm_gem_name_info(struct seq_file *m, void *data); | |
1356 | extern int drm_gem_object_info(struct seq_file *m, void* data); | |
1357 | ||
1358 | #if DRM_DEBUG_CODE | |
1359 | extern int drm_vma_info(struct seq_file *m, void *data); | |
1360 | #endif | |
1361 | ||
1da177e4 | 1362 | /* Scatter Gather Support (drm_scatter.h) */ |
55910517 | 1363 | extern void drm_sg_cleanup(struct drm_sg_mem * entry); |
c153f45f EA |
1364 | extern int drm_sg_alloc_ioctl(struct drm_device *dev, void *data, |
1365 | struct drm_file *file_priv); | |
1366 | extern int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request); | |
1367 | extern int drm_sg_free(struct drm_device *dev, void *data, | |
1368 | struct drm_file *file_priv); | |
1da177e4 | 1369 | |
b5e89ed5 | 1370 | /* ATI PCIGART support (ati_pcigart.h) */ |
84b1fd10 | 1371 | extern int drm_ati_pcigart_init(struct drm_device *dev, |
55910517 | 1372 | struct drm_ati_pcigart_info * gart_info); |
84b1fd10 | 1373 | extern int drm_ati_pcigart_cleanup(struct drm_device *dev, |
55910517 | 1374 | struct drm_ati_pcigart_info * gart_info); |
1da177e4 | 1375 | |
84b1fd10 | 1376 | extern drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size, |
9c8da5eb | 1377 | size_t align, dma_addr_t maxaddr); |
84b1fd10 DA |
1378 | extern void __drm_pci_free(struct drm_device *dev, drm_dma_handle_t * dmah); |
1379 | extern void drm_pci_free(struct drm_device *dev, drm_dma_handle_t * dmah); | |
1da177e4 LT |
1380 | |
1381 | /* sysfs support (drm_sysfs.c) */ | |
e8b962b6 | 1382 | struct drm_sysfs_class; |
0650fd58 | 1383 | extern struct class *drm_sysfs_create(struct module *owner, char *name); |
e8b962b6 | 1384 | extern void drm_sysfs_destroy(void); |
2c14f28b | 1385 | extern int drm_sysfs_device_add(struct drm_minor *minor); |
f453ba04 | 1386 | extern void drm_sysfs_hotplug_event(struct drm_device *dev); |
2c14f28b | 1387 | extern void drm_sysfs_device_remove(struct drm_minor *minor); |
f453ba04 DA |
1388 | extern char *drm_get_connector_status_name(enum drm_connector_status status); |
1389 | extern int drm_sysfs_connector_add(struct drm_connector *connector); | |
1390 | extern void drm_sysfs_connector_remove(struct drm_connector *connector); | |
1da177e4 | 1391 | |
673a394b EA |
1392 | /* Graphics Execution Manager library functions (drm_gem.c) */ |
1393 | int drm_gem_init(struct drm_device *dev); | |
a2c0a97b | 1394 | void drm_gem_destroy(struct drm_device *dev); |
673a394b EA |
1395 | void drm_gem_object_free(struct kref *kref); |
1396 | struct drm_gem_object *drm_gem_object_alloc(struct drm_device *dev, | |
1397 | size_t size); | |
1398 | void drm_gem_object_handle_free(struct kref *kref); | |
ab00b3e5 JB |
1399 | void drm_gem_vm_open(struct vm_area_struct *vma); |
1400 | void drm_gem_vm_close(struct vm_area_struct *vma); | |
a2c0a97b | 1401 | int drm_gem_mmap(struct file *filp, struct vm_area_struct *vma); |
673a394b EA |
1402 | |
1403 | static inline void | |
1404 | drm_gem_object_reference(struct drm_gem_object *obj) | |
1405 | { | |
1406 | kref_get(&obj->refcount); | |
1407 | } | |
1408 | ||
1409 | static inline void | |
1410 | drm_gem_object_unreference(struct drm_gem_object *obj) | |
1411 | { | |
1412 | if (obj == NULL) | |
1413 | return; | |
1414 | ||
1415 | kref_put(&obj->refcount, drm_gem_object_free); | |
1416 | } | |
1417 | ||
1418 | int drm_gem_handle_create(struct drm_file *file_priv, | |
1419 | struct drm_gem_object *obj, | |
1420 | int *handlep); | |
1421 | ||
1422 | static inline void | |
1423 | drm_gem_object_handle_reference(struct drm_gem_object *obj) | |
1424 | { | |
1425 | drm_gem_object_reference(obj); | |
1426 | kref_get(&obj->handlecount); | |
1427 | } | |
1428 | ||
1429 | static inline void | |
1430 | drm_gem_object_handle_unreference(struct drm_gem_object *obj) | |
1431 | { | |
1432 | if (obj == NULL) | |
1433 | return; | |
1434 | ||
1435 | /* | |
1436 | * Must bump handle count first as this may be the last | |
1437 | * ref, in which case the object would disappear before we | |
1438 | * checked for a name | |
1439 | */ | |
1440 | kref_put(&obj->handlecount, drm_gem_object_handle_free); | |
1441 | drm_gem_object_unreference(obj); | |
1442 | } | |
1443 | ||
1444 | struct drm_gem_object *drm_gem_object_lookup(struct drm_device *dev, | |
1445 | struct drm_file *filp, | |
1446 | int handle); | |
1447 | int drm_gem_close_ioctl(struct drm_device *dev, void *data, | |
1448 | struct drm_file *file_priv); | |
1449 | int drm_gem_flink_ioctl(struct drm_device *dev, void *data, | |
1450 | struct drm_file *file_priv); | |
1451 | int drm_gem_open_ioctl(struct drm_device *dev, void *data, | |
1452 | struct drm_file *file_priv); | |
1453 | void drm_gem_open(struct drm_device *dev, struct drm_file *file_private); | |
1454 | void drm_gem_release(struct drm_device *dev, struct drm_file *file_private); | |
1455 | ||
f77d390c BH |
1456 | extern void drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev); |
1457 | extern void drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev); | |
1458 | extern void drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev); | |
1da177e4 | 1459 | |
f77d390c BH |
1460 | static __inline__ struct drm_local_map *drm_core_findmap(struct drm_device *dev, |
1461 | unsigned int token) | |
1da177e4 | 1462 | { |
55910517 | 1463 | struct drm_map_list *_entry; |
bd1b331f | 1464 | list_for_each_entry(_entry, &dev->maplist, head) |
b5e89ed5 DA |
1465 | if (_entry->user_token == token) |
1466 | return _entry->map; | |
1da177e4 LT |
1467 | return NULL; |
1468 | } | |
1469 | ||
84b1fd10 | 1470 | static __inline__ int drm_device_is_agp(struct drm_device *dev) |
cda17380 | 1471 | { |
b5e89ed5 DA |
1472 | if (dev->driver->device_is_agp != NULL) { |
1473 | int err = (*dev->driver->device_is_agp) (dev); | |
1474 | ||
cda17380 DA |
1475 | if (err != 2) { |
1476 | return err; | |
1477 | } | |
1478 | } | |
1479 | ||
1480 | return pci_find_capability(dev->pdev, PCI_CAP_ID_AGP); | |
1481 | } | |
1482 | ||
84b1fd10 | 1483 | static __inline__ int drm_device_is_pcie(struct drm_device *dev) |
ea98a92f DA |
1484 | { |
1485 | return pci_find_capability(dev->pdev, PCI_CAP_ID_EXP); | |
1486 | } | |
1487 | ||
f77d390c | 1488 | static __inline__ void drm_core_dropmap(struct drm_local_map *map) |
1da177e4 LT |
1489 | { |
1490 | } | |
1491 | ||
8e7d2b2c JB |
1492 | |
1493 | static __inline__ void *drm_calloc_large(size_t nmemb, size_t size) | |
1494 | { | |
fbe0efb8 | 1495 | if (size * nmemb <= PAGE_SIZE) |
8e7d2b2c JB |
1496 | return kcalloc(nmemb, size, GFP_KERNEL); |
1497 | ||
fbe0efb8 | 1498 | if (size != 0 && nmemb > ULONG_MAX / size) |
8e7d2b2c JB |
1499 | return NULL; |
1500 | ||
fbe0efb8 KH |
1501 | return __vmalloc(size * nmemb, |
1502 | GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO, PAGE_KERNEL); | |
8e7d2b2c JB |
1503 | } |
1504 | ||
1505 | static __inline void drm_free_large(void *ptr) | |
1506 | { | |
1507 | if (!is_vmalloc_addr(ptr)) | |
1508 | return kfree(ptr); | |
1509 | ||
1510 | vfree(ptr); | |
1511 | } | |
1da177e4 LT |
1512 | /*@}*/ |
1513 | ||
b5e89ed5 | 1514 | #endif /* __KERNEL__ */ |
1da177e4 | 1515 | #endif |