Commit | Line | Data |
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1da177e4 | 1 | /* |
d7d2c48e DH |
2 | * Internal Header for the Direct Rendering Manager |
3 | * | |
1da177e4 LT |
4 | * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. |
5 | * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. | |
dcdb1674 | 6 | * Copyright (c) 2009-2010, Code Aurora Forum. |
1da177e4 LT |
7 | * All rights reserved. |
8 | * | |
d7d2c48e DH |
9 | * Author: Rickard E. (Rik) Faith <faith@valinux.com> |
10 | * Author: Gareth Hughes <gareth@valinux.com> | |
11 | * | |
1da177e4 LT |
12 | * Permission is hereby granted, free of charge, to any person obtaining a |
13 | * copy of this software and associated documentation files (the "Software"), | |
14 | * to deal in the Software without restriction, including without limitation | |
15 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
16 | * and/or sell copies of the Software, and to permit persons to whom the | |
17 | * Software is furnished to do so, subject to the following conditions: | |
18 | * | |
19 | * The above copyright notice and this permission notice (including the next | |
20 | * paragraph) shall be included in all copies or substantial portions of the | |
21 | * Software. | |
22 | * | |
23 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
24 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
25 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
26 | * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
27 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
28 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
29 | * OTHER DEALINGS IN THE SOFTWARE. | |
30 | */ | |
31 | ||
32 | #ifndef _DRM_P_H_ | |
33 | #define _DRM_P_H_ | |
34 | ||
96993908 DH |
35 | #include <linux/agp_backend.h> |
36 | #include <linux/cdev.h> | |
37 | #include <linux/dma-mapping.h> | |
38 | #include <linux/file.h> | |
1da177e4 | 39 | #include <linux/fs.h> |
96993908 DH |
40 | #include <linux/highmem.h> |
41 | #include <linux/idr.h> | |
1da177e4 | 42 | #include <linux/init.h> |
96993908 | 43 | #include <linux/io.h> |
1da177e4 | 44 | #include <linux/jiffies.h> |
96993908 DH |
45 | #include <linux/kernel.h> |
46 | #include <linux/kref.h> | |
47 | #include <linux/miscdevice.h> | |
1da177e4 | 48 | #include <linux/mm.h> |
30e2fb18 | 49 | #include <linux/mutex.h> |
96993908 DH |
50 | #include <linux/pci.h> |
51 | #include <linux/platform_device.h> | |
52 | #include <linux/poll.h> | |
5d13d425 | 53 | #include <linux/ratelimit.h> |
96993908 DH |
54 | #include <linux/sched.h> |
55 | #include <linux/slab.h> | |
1da177e4 | 56 | #include <linux/types.h> |
d6db6564 | 57 | #include <linux/vmalloc.h> |
96993908 DH |
58 | #include <linux/workqueue.h> |
59 | ||
60 | #include <asm/mman.h> | |
1da177e4 | 61 | #include <asm/pgalloc.h> |
96993908 DH |
62 | #include <asm/uaccess.h> |
63 | ||
d7d2c48e DH |
64 | #include <uapi/drm/drm.h> |
65 | #include <uapi/drm/drm_mode.h> | |
66 | ||
67 | #include <drm/drm_agpsupport.h> | |
68 | #include <drm/drm_crtc.h> | |
69 | #include <drm/drm_global.h> | |
96993908 | 70 | #include <drm/drm_hashtab.h> |
d7d2c48e | 71 | #include <drm/drm_mem_util.h> |
96993908 DH |
72 | #include <drm/drm_mm.h> |
73 | #include <drm/drm_os_linux.h> | |
19218e48 | 74 | #include <drm/drm_sarea.h> |
0de23977 | 75 | #include <drm/drm_vma_manager.h> |
1da177e4 | 76 | |
de477254 PG |
77 | struct module; |
78 | ||
c153f45f EA |
79 | struct drm_file; |
80 | struct drm_device; | |
cc5ea594 | 81 | struct drm_agp_head; |
c153f45f | 82 | |
edb37a95 | 83 | struct device_node; |
ebc64e45 | 84 | struct videomode; |
3aac4502 | 85 | struct reservation_object; |
ebc64e45 | 86 | |
87fdff81 | 87 | /* |
1414b76c LD |
88 | * 4 debug categories are defined: |
89 | * | |
90 | * CORE: Used in the generic drm code: drm_ioctl.c, drm_mm.c, drm_memory.c, ... | |
91 | * This is the category used by the DRM_DEBUG() macro. | |
92 | * | |
93 | * DRIVER: Used in the vendor specific part of the driver: i915, radeon, ... | |
94 | * This is the category used by the DRM_DEBUG_DRIVER() macro. | |
87fdff81 | 95 | * |
1414b76c LD |
96 | * KMS: used in the modesetting code. |
97 | * This is the category used by the DRM_DEBUG_KMS() macro. | |
87fdff81 | 98 | * |
1414b76c LD |
99 | * PRIME: used in the prime code. |
100 | * This is the category used by the DRM_DEBUG_PRIME() macro. | |
87fdff81 | 101 | * |
1414b76c LD |
102 | * Enabling verbose debug messages is done through the drm.debug parameter, |
103 | * each category being enabled by a bit. | |
104 | * | |
105 | * drm.debug=0x1 will enable CORE messages | |
106 | * drm.debug=0x2 will enable DRIVER messages | |
107 | * drm.debug=0x3 will enable CORE and DRIVER messages | |
108 | * ... | |
109 | * drm.debug=0xf will enable all messages | |
110 | * | |
111 | * An interesting feature is that it's possible to enable verbose logging at | |
112 | * run-time by echoing the debug value in its sysfs node: | |
113 | * # echo 0xf > /sys/module/drm/parameters/debug | |
87fdff81 | 114 | */ |
1414b76c LD |
115 | #define DRM_UT_CORE 0x01 |
116 | #define DRM_UT_DRIVER 0x02 | |
117 | #define DRM_UT_KMS 0x04 | |
118 | #define DRM_UT_PRIME 0x08 | |
4fefcb27 | 119 | |
1287aa90 LD |
120 | extern __printf(2, 3) |
121 | void drm_ut_debug_printk(const char *function_name, | |
b9075fa9 JP |
122 | const char *format, ...); |
123 | extern __printf(2, 3) | |
5ad3d883 JP |
124 | int drm_err(const char *func, const char *format, ...); |
125 | ||
1da177e4 LT |
126 | /***********************************************************************/ |
127 | /** \name DRM template customization defaults */ | |
128 | /*@{*/ | |
129 | ||
130 | /* driver capabilities and requirements mask */ | |
131 | #define DRIVER_USE_AGP 0x1 | |
1da177e4 LT |
132 | #define DRIVER_PCI_DMA 0x8 |
133 | #define DRIVER_SG 0x10 | |
134 | #define DRIVER_HAVE_DMA 0x20 | |
135 | #define DRIVER_HAVE_IRQ 0x40 | |
136 | #define DRIVER_IRQ_SHARED 0x80 | |
673a394b | 137 | #define DRIVER_GEM 0x1000 |
f453ba04 | 138 | #define DRIVER_MODESET 0x2000 |
3248877e | 139 | #define DRIVER_PRIME 0x4000 |
1793126f | 140 | #define DRIVER_RENDER 0x8000 |
8410ea3b | 141 | |
1da177e4 LT |
142 | /***********************************************************************/ |
143 | /** \name Begin the DRM... */ | |
144 | /*@{*/ | |
145 | ||
8669cbc5 | 146 | #define DRM_MAGIC_HASH_ORDER 4 /**< Size of key hash table. Must be power of 2. */ |
1da177e4 | 147 | |
b5e89ed5 | 148 | /*@}*/ |
1da177e4 | 149 | |
1da177e4 LT |
150 | /***********************************************************************/ |
151 | /** \name Macros to make printk easier */ | |
152 | /*@{*/ | |
153 | ||
154 | /** | |
155 | * Error output. | |
156 | * | |
157 | * \param fmt printf() like format string. | |
158 | * \param arg arguments | |
159 | */ | |
5ad3d883 JP |
160 | #define DRM_ERROR(fmt, ...) \ |
161 | drm_err(__func__, fmt, ##__VA_ARGS__) | |
1da177e4 | 162 | |
5d13d425 RC |
163 | /** |
164 | * Rate limited error output. Like DRM_ERROR() but won't flood the log. | |
165 | * | |
166 | * \param fmt printf() like format string. | |
167 | * \param arg arguments | |
168 | */ | |
169 | #define DRM_ERROR_RATELIMITED(fmt, ...) \ | |
170 | ({ \ | |
171 | static DEFINE_RATELIMIT_STATE(_rs, \ | |
172 | DEFAULT_RATELIMIT_INTERVAL, \ | |
173 | DEFAULT_RATELIMIT_BURST); \ | |
174 | \ | |
175 | if (__ratelimit(&_rs)) \ | |
176 | drm_err(__func__, fmt, ##__VA_ARGS__); \ | |
177 | }) | |
178 | ||
5ad3d883 JP |
179 | #define DRM_INFO(fmt, ...) \ |
180 | printk(KERN_INFO "[" DRM_NAME "] " fmt, ##__VA_ARGS__) | |
1da177e4 | 181 | |
48b8f631 JN |
182 | #define DRM_INFO_ONCE(fmt, ...) \ |
183 | printk_once(KERN_INFO "[" DRM_NAME "] " fmt, ##__VA_ARGS__) | |
184 | ||
1da177e4 LT |
185 | /** |
186 | * Debug output. | |
b5e89ed5 | 187 | * |
1da177e4 LT |
188 | * \param fmt printf() like format string. |
189 | * \param arg arguments | |
190 | */ | |
4fefcb27 | 191 | #define DRM_DEBUG(fmt, args...) \ |
1da177e4 | 192 | do { \ |
a73d4e91 | 193 | if (unlikely(drm_debug & DRM_UT_CORE)) \ |
1287aa90 | 194 | drm_ut_debug_printk(__func__, fmt, ##args); \ |
4fefcb27 | 195 | } while (0) |
196 | ||
8a4c47f3 | 197 | #define DRM_DEBUG_DRIVER(fmt, args...) \ |
4fefcb27 | 198 | do { \ |
a73d4e91 | 199 | if (unlikely(drm_debug & DRM_UT_DRIVER)) \ |
1287aa90 | 200 | drm_ut_debug_printk(__func__, fmt, ##args); \ |
4fefcb27 | 201 | } while (0) |
a73d4e91 | 202 | #define DRM_DEBUG_KMS(fmt, args...) \ |
4fefcb27 | 203 | do { \ |
a73d4e91 | 204 | if (unlikely(drm_debug & DRM_UT_KMS)) \ |
1287aa90 | 205 | drm_ut_debug_printk(__func__, fmt, ##args); \ |
4fefcb27 | 206 | } while (0) |
3248877e DA |
207 | #define DRM_DEBUG_PRIME(fmt, args...) \ |
208 | do { \ | |
a73d4e91 | 209 | if (unlikely(drm_debug & DRM_UT_PRIME)) \ |
1287aa90 | 210 | drm_ut_debug_printk(__func__, fmt, ##args); \ |
1da177e4 | 211 | } while (0) |
1da177e4 | 212 | |
1da177e4 LT |
213 | /*@}*/ |
214 | ||
1da177e4 LT |
215 | /***********************************************************************/ |
216 | /** \name Internal types and structures */ | |
217 | /*@{*/ | |
218 | ||
1da177e4 | 219 | #define DRM_IF_VERSION(maj, min) (maj << 16 | min) |
1da177e4 LT |
220 | |
221 | /** | |
222 | * Test that the hardware lock is held by the caller, returning otherwise. | |
223 | * | |
224 | * \param dev DRM device. | |
225 | * \param filp file pointer of the caller. | |
226 | */ | |
dcae3626 RK |
227 | #define LOCK_TEST_WITH_RETURN( dev, _file_priv ) \ |
228 | do { \ | |
229 | if (!_DRM_LOCK_IS_HELD(_file_priv->master->lock.hw_lock->lock) || \ | |
230 | _file_priv->master->lock.file_priv != _file_priv) { \ | |
c153f45f | 231 | DRM_ERROR( "%s called without lock held, held %d owner %p %p\n",\ |
dcae3626 RK |
232 | __func__, _DRM_LOCK_IS_HELD(_file_priv->master->lock.hw_lock->lock),\ |
233 | _file_priv->master->lock.file_priv, _file_priv); \ | |
234 | return -EINVAL; \ | |
235 | } \ | |
1da177e4 LT |
236 | } while (0) |
237 | ||
1da177e4 LT |
238 | /** |
239 | * Ioctl function type. | |
240 | * | |
241 | * \param inode device inode. | |
6c340eac | 242 | * \param file_priv DRM file private pointer. |
1da177e4 LT |
243 | * \param cmd command. |
244 | * \param arg argument. | |
245 | */ | |
c153f45f EA |
246 | typedef int drm_ioctl_t(struct drm_device *dev, void *data, |
247 | struct drm_file *file_priv); | |
1da177e4 | 248 | |
9a186645 DA |
249 | typedef int drm_ioctl_compat_t(struct file *filp, unsigned int cmd, |
250 | unsigned long arg); | |
251 | ||
1a95916f KH |
252 | #define DRM_IOCTL_NR(n) _IOC_NR(n) |
253 | #define DRM_MAJOR 226 | |
254 | ||
a7a2cc31 DA |
255 | #define DRM_AUTH 0x1 |
256 | #define DRM_MASTER 0x2 | |
257 | #define DRM_ROOT_ONLY 0x4 | |
f453ba04 | 258 | #define DRM_CONTROL_ALLOW 0x8 |
ed8b6704 | 259 | #define DRM_UNLOCKED 0x10 |
1793126f | 260 | #define DRM_RENDER_ALLOW 0x20 |
a7a2cc31 | 261 | |
c153f45f EA |
262 | struct drm_ioctl_desc { |
263 | unsigned int cmd; | |
a7a2cc31 | 264 | int flags; |
c972d750 | 265 | drm_ioctl_t *func; |
1b2f1489 | 266 | unsigned int cmd_drv; |
b9434d0f | 267 | const char *name; |
c153f45f EA |
268 | }; |
269 | ||
270 | /** | |
271 | * Creates a driver or general drm_ioctl_desc array entry for the given | |
272 | * ioctl, for use by drm_ioctl(). | |
273 | */ | |
1b2f1489 DA |
274 | |
275 | #define DRM_IOCTL_DEF_DRV(ioctl, _func, _flags) \ | |
b9434d0f | 276 | [DRM_IOCTL_NR(DRM_##ioctl)] = {.cmd = DRM_##ioctl, .func = _func, .flags = _flags, .cmd_drv = DRM_IOCTL_##ioctl, .name = #ioctl} |
1da177e4 | 277 | |
1da177e4 LT |
278 | /** |
279 | * DMA buffer. | |
280 | */ | |
056219e2 | 281 | struct drm_buf { |
b5e89ed5 DA |
282 | int idx; /**< Index into master buflist */ |
283 | int total; /**< Buffer size */ | |
284 | int order; /**< log-base-2(total) */ | |
285 | int used; /**< Amount of buffer in use (for DMA) */ | |
286 | unsigned long offset; /**< Byte offset (used internally) */ | |
287 | void *address; /**< Address of buffer */ | |
288 | unsigned long bus_address; /**< Bus address of buffer */ | |
289 | struct drm_buf *next; /**< Kernel-only: used for free list */ | |
290 | __volatile__ int waiting; /**< On kernel DMA queue */ | |
291 | __volatile__ int pending; /**< On hardware DMA queue */ | |
6c340eac | 292 | struct drm_file *file_priv; /**< Private of holding file descr */ |
b5e89ed5 DA |
293 | int context; /**< Kernel queue for this buffer */ |
294 | int while_locked; /**< Dispatch this buffer while locked */ | |
1da177e4 | 295 | enum { |
b5e89ed5 DA |
296 | DRM_LIST_NONE = 0, |
297 | DRM_LIST_FREE = 1, | |
298 | DRM_LIST_WAIT = 2, | |
299 | DRM_LIST_PEND = 3, | |
300 | DRM_LIST_PRIO = 4, | |
1da177e4 | 301 | DRM_LIST_RECLAIM = 5 |
b5e89ed5 | 302 | } list; /**< Which list we're on */ |
1da177e4 | 303 | |
b5e89ed5 DA |
304 | int dev_priv_size; /**< Size of buffer private storage */ |
305 | void *dev_private; /**< Per-buffer private storage */ | |
056219e2 | 306 | }; |
1da177e4 | 307 | |
ddf19b97 DA |
308 | typedef struct drm_dma_handle { |
309 | dma_addr_t busaddr; | |
310 | void *vaddr; | |
311 | size_t size; | |
312 | } drm_dma_handle_t; | |
313 | ||
1da177e4 LT |
314 | /** |
315 | * Buffer entry. There is one of this for each buffer size order. | |
316 | */ | |
cdd55a29 | 317 | struct drm_buf_entry { |
b5e89ed5 DA |
318 | int buf_size; /**< size */ |
319 | int buf_count; /**< number of buffers */ | |
056219e2 | 320 | struct drm_buf *buflist; /**< buffer list */ |
b5e89ed5 DA |
321 | int seg_count; |
322 | int page_order; | |
cdd55a29 | 323 | struct drm_dma_handle **seglist; |
b5e89ed5 | 324 | |
b008c0fc DH |
325 | int low_mark; /**< Low water mark */ |
326 | int high_mark; /**< High water mark */ | |
cdd55a29 | 327 | }; |
1da177e4 | 328 | |
c9a9c5e0 KH |
329 | /* Event queued up for userspace to read */ |
330 | struct drm_pending_event { | |
331 | struct drm_event *event; | |
332 | struct list_head link; | |
333 | struct drm_file *file_priv; | |
b9c2c9ae JB |
334 | pid_t pid; /* pid of requester, no guarantee it's valid by the time |
335 | we deliver the event, for tracing only */ | |
c9a9c5e0 KH |
336 | void (*destroy)(struct drm_pending_event *event); |
337 | }; | |
338 | ||
3248877e DA |
339 | /* initial implementaton using a linked list - todo hashtab */ |
340 | struct drm_prime_file_private { | |
341 | struct list_head head; | |
342 | struct mutex lock; | |
343 | }; | |
344 | ||
1da177e4 | 345 | /** File private data */ |
84b1fd10 | 346 | struct drm_file { |
39868bd7 | 347 | unsigned authenticated :1; |
c996fd0b TH |
348 | /* Whether we're master for a minor. Protected by master_mutex */ |
349 | unsigned is_master :1; | |
39868bd7 CW |
350 | /* true when the client has asked us to expose stereo 3D mode flags */ |
351 | unsigned stereo_allowed :1; | |
681e7ec7 MR |
352 | /* |
353 | * true if client understands CRTC primary planes and cursor planes | |
354 | * in the plane list | |
355 | */ | |
356 | unsigned universal_planes:1; | |
39868bd7 | 357 | |
5fce5e0b EB |
358 | struct pid *pid; |
359 | kuid_t uid; | |
b5e89ed5 | 360 | drm_magic_t magic; |
bd1b331f | 361 | struct list_head lhead; |
2c14f28b | 362 | struct drm_minor *minor; |
b5e89ed5 | 363 | unsigned long lock_count; |
7c1c2871 | 364 | |
673a394b EA |
365 | /** Mapping of mm object handles to object pointers. */ |
366 | struct idr object_idr; | |
367 | /** Lock for synchronization of access to object_idr. */ | |
368 | spinlock_t table_lock; | |
7c1c2871 | 369 | |
6c340eac | 370 | struct file *filp; |
8562b3f2 | 371 | void *driver_priv; |
7c1c2871 | 372 | |
7c1c2871 DA |
373 | struct drm_master *master; /* master this node is currently associated with |
374 | N.B. not always minor->master */ | |
4b096ac1 DV |
375 | /** |
376 | * fbs - List of framebuffers associated with this file. | |
377 | * | |
378 | * Protected by fbs_lock. Note that the fbs list holds a reference on | |
379 | * the fb object to prevent it from untimely disappearing. | |
380 | */ | |
f453ba04 | 381 | struct list_head fbs; |
4b096ac1 | 382 | struct mutex fbs_lock; |
c9a9c5e0 KH |
383 | |
384 | wait_queue_head_t event_wait; | |
385 | struct list_head event_list; | |
386 | int event_space; | |
3248877e DA |
387 | |
388 | struct drm_prime_file_private prime; | |
84b1fd10 | 389 | }; |
1da177e4 | 390 | |
1da177e4 LT |
391 | /** |
392 | * Lock data. | |
393 | */ | |
55910517 | 394 | struct drm_lock_data { |
c60ce623 | 395 | struct drm_hw_lock *hw_lock; /**< Hardware lock */ |
8562b3f2 DA |
396 | /** Private of lock holder's file (NULL=kernel) */ |
397 | struct drm_file *file_priv; | |
1da177e4 | 398 | wait_queue_head_t lock_queue; /**< Queue of blocked processes */ |
b5e89ed5 | 399 | unsigned long lock_time; /**< Time of last lock in jiffies */ |
040ac320 TH |
400 | spinlock_t spinlock; |
401 | uint32_t kernel_waiters; | |
402 | uint32_t user_waiters; | |
403 | int idle_has_lock; | |
55910517 | 404 | }; |
1da177e4 LT |
405 | |
406 | /** | |
407 | * DMA data. | |
408 | */ | |
cdd55a29 | 409 | struct drm_device_dma { |
1da177e4 | 410 | |
cdd55a29 | 411 | struct drm_buf_entry bufs[DRM_MAX_ORDER + 1]; /**< buffers, grouped by their size order */ |
b5e89ed5 | 412 | int buf_count; /**< total number of buffers */ |
056219e2 | 413 | struct drm_buf **buflist; /**< Vector of pointers into drm_device_dma::bufs */ |
b5e89ed5 DA |
414 | int seg_count; |
415 | int page_count; /**< number of pages */ | |
416 | unsigned long *pagelist; /**< page list */ | |
417 | unsigned long byte_count; | |
1da177e4 LT |
418 | enum { |
419 | _DRM_DMA_USE_AGP = 0x01, | |
b5e89ed5 | 420 | _DRM_DMA_USE_SG = 0x02, |
3417f33e GS |
421 | _DRM_DMA_USE_FB = 0x04, |
422 | _DRM_DMA_USE_PCI_RO = 0x08 | |
1da177e4 LT |
423 | } flags; |
424 | ||
cdd55a29 | 425 | }; |
1da177e4 | 426 | |
1da177e4 LT |
427 | /** |
428 | * Scatter-gather memory. | |
429 | */ | |
55910517 | 430 | struct drm_sg_mem { |
b5e89ed5 DA |
431 | unsigned long handle; |
432 | void *virtual; | |
433 | int pages; | |
434 | struct page **pagelist; | |
435 | dma_addr_t *busaddr; | |
55910517 | 436 | }; |
1da177e4 | 437 | |
f77d390c BH |
438 | /** |
439 | * Kernel side of a mapping | |
440 | */ | |
441 | struct drm_local_map { | |
41c2e75e | 442 | resource_size_t offset; /**< Requested physical address (0 for SAREA)*/ |
f77d390c BH |
443 | unsigned long size; /**< Requested physical size (bytes) */ |
444 | enum drm_map_type type; /**< Type of memory to map */ | |
445 | enum drm_map_flags flags; /**< Flags */ | |
446 | void *handle; /**< User-space: "Handle" to pass to mmap() */ | |
447 | /**< Kernel-space: kernel-virtual address */ | |
448 | int mtrr; /**< MTRR slot used */ | |
449 | }; | |
450 | ||
451 | typedef struct drm_local_map drm_local_map_t; | |
452 | ||
1da177e4 LT |
453 | /** |
454 | * Mappings list | |
455 | */ | |
55910517 | 456 | struct drm_map_list { |
b5e89ed5 | 457 | struct list_head head; /**< list head */ |
e0be428e | 458 | struct drm_hash_item hash; |
f77d390c | 459 | struct drm_local_map *map; /**< mapping */ |
8562b3f2 | 460 | uint64_t user_token; |
7c1c2871 | 461 | struct drm_master *master; |
55910517 | 462 | }; |
1da177e4 | 463 | |
ea98a92f DA |
464 | /* location of GART table */ |
465 | #define DRM_ATI_GART_MAIN 1 | |
466 | #define DRM_ATI_GART_FB 2 | |
467 | ||
f2b04cd2 DA |
468 | #define DRM_ATI_GART_PCI 1 |
469 | #define DRM_ATI_GART_PCIE 2 | |
470 | #define DRM_ATI_GART_IGP 3 | |
471 | ||
55910517 | 472 | struct drm_ati_pcigart_info { |
ea98a92f | 473 | int gart_table_location; |
f2b04cd2 | 474 | int gart_reg_if; |
f26c473c | 475 | void *addr; |
ea98a92f | 476 | dma_addr_t bus_addr; |
b05c2385 DA |
477 | dma_addr_t table_mask; |
478 | struct drm_dma_handle *table_handle; | |
f77d390c | 479 | struct drm_local_map mapping; |
f2b04cd2 | 480 | int table_size; |
55910517 | 481 | }; |
ea98a92f | 482 | |
673a394b EA |
483 | /** |
484 | * This structure defines the drm_mm memory object, which will be used by the | |
485 | * DRM for its buffer objects. | |
486 | */ | |
487 | struct drm_gem_object { | |
488 | /** Reference count of this object */ | |
489 | struct kref refcount; | |
490 | ||
a8e11d1c DV |
491 | /** |
492 | * handle_count - gem file_priv handle count of this object | |
493 | * | |
494 | * Each handle also holds a reference. Note that when the handle_count | |
495 | * drops to 0 any global names (e.g. the id in the flink namespace) will | |
496 | * be cleared. | |
497 | * | |
498 | * Protected by dev->object_name_lock. | |
499 | * */ | |
500 | unsigned handle_count; | |
673a394b EA |
501 | |
502 | /** Related drm device */ | |
503 | struct drm_device *dev; | |
504 | ||
505 | /** File representing the shmem storage */ | |
506 | struct file *filp; | |
507 | ||
a2c0a97b | 508 | /* Mapping info for this object */ |
0de23977 | 509 | struct drm_vma_offset_node vma_node; |
a2c0a97b | 510 | |
673a394b EA |
511 | /** |
512 | * Size of the object, in bytes. Immutable over the object's | |
513 | * lifetime. | |
514 | */ | |
515 | size_t size; | |
516 | ||
517 | /** | |
518 | * Global name for this object, starts at 1. 0 means unnamed. | |
519 | * Access is covered by the object_name_lock in the related drm_device | |
520 | */ | |
521 | int name; | |
522 | ||
523 | /** | |
524 | * Memory domains. These monitor which caches contain read/write data | |
525 | * related to the object. When transitioning from one set of domains | |
526 | * to another, the driver is called to ensure that caches are suitably | |
527 | * flushed and invalidated | |
528 | */ | |
529 | uint32_t read_domains; | |
530 | uint32_t write_domain; | |
531 | ||
532 | /** | |
533 | * While validating an exec operation, the | |
534 | * new read/write domain values are computed here. | |
535 | * They will be transferred to the above values | |
536 | * at the point that any cache flushing occurs | |
537 | */ | |
538 | uint32_t pending_read_domains; | |
539 | uint32_t pending_write_domain; | |
540 | ||
319c933c DV |
541 | /** |
542 | * dma_buf - dma buf associated with this GEM object | |
543 | * | |
544 | * Pointer to the dma-buf associated with this gem object (either | |
545 | * through importing or exporting). We break the resulting reference | |
546 | * loop when the last gem handle for this object is released. | |
547 | * | |
548 | * Protected by obj->object_name_lock | |
549 | */ | |
550 | struct dma_buf *dma_buf; | |
3248877e | 551 | |
7106bf96 DV |
552 | /** |
553 | * import_attach - dma buf attachment backing this object | |
554 | * | |
555 | * Any foreign dma_buf imported as a gem object has this set to the | |
556 | * attachment point for the device. This is invariant over the lifetime | |
557 | * of a gem object. | |
558 | * | |
559 | * The driver's ->gem_free_object callback is responsible for cleaning | |
560 | * up the dma_buf attachment and references acquired at import time. | |
838cd445 DV |
561 | * |
562 | * Note that the drm gem/prime core does not depend upon drivers setting | |
563 | * this field any more. So for drivers where this doesn't make sense | |
564 | * (e.g. virtual devices or a displaylink behind an usb bus) they can | |
565 | * simply leave it as NULL. | |
7106bf96 | 566 | */ |
3248877e | 567 | struct dma_buf_attachment *import_attach; |
673a394b EA |
568 | }; |
569 | ||
c996fd0b TH |
570 | /** |
571 | * struct drm_master - drm master structure | |
572 | * | |
573 | * @refcount: Refcount for this master object. | |
574 | * @minor: Link back to minor char device we are master for. Immutable. | |
575 | * @unique: Unique identifier: e.g. busid. Protected by drm_global_mutex. | |
576 | * @unique_len: Length of unique field. Protected by drm_global_mutex. | |
c996fd0b TH |
577 | * @magiclist: Hash of used authentication tokens. Protected by struct_mutex. |
578 | * @magicfree: List of used authentication tokens. Protected by struct_mutex. | |
579 | * @lock: DRI lock information. | |
580 | * @driver_priv: Pointer to driver-private information. | |
581 | */ | |
7c1c2871 | 582 | struct drm_master { |
c996fd0b TH |
583 | struct kref refcount; |
584 | struct drm_minor *minor; | |
585 | char *unique; | |
586 | int unique_len; | |
7c1c2871 DA |
587 | struct drm_open_hash magiclist; |
588 | struct list_head magicfree; | |
c996fd0b TH |
589 | struct drm_lock_data lock; |
590 | void *driver_priv; | |
7c1c2871 DA |
591 | }; |
592 | ||
27641c3f MK |
593 | /* Size of ringbuffer for vblank timestamps. Just double-buffer |
594 | * in initial implementation. | |
595 | */ | |
596 | #define DRM_VBLANKTIME_RBSIZE 2 | |
597 | ||
598 | /* Flags and return codes for get_vblank_timestamp() driver function. */ | |
599 | #define DRM_CALLED_FROM_VBLIRQ 1 | |
600 | #define DRM_VBLANKTIME_SCANOUTPOS_METHOD (1 << 0) | |
601 | #define DRM_VBLANKTIME_INVBL (1 << 1) | |
602 | ||
603 | /* get_scanout_position() return flags */ | |
604 | #define DRM_SCANOUTPOS_VALID (1 << 0) | |
605 | #define DRM_SCANOUTPOS_INVBL (1 << 1) | |
606 | #define DRM_SCANOUTPOS_ACCURATE (1 << 2) | |
607 | ||
1da177e4 LT |
608 | /** |
609 | * DRM driver structure. This structure represent the common code for | |
610 | * a family of cards. There will one drm_device for each card present | |
611 | * in this family | |
612 | */ | |
1da177e4 | 613 | struct drm_driver { |
22eae947 DA |
614 | int (*load) (struct drm_device *, unsigned long flags); |
615 | int (*firstopen) (struct drm_device *); | |
84b1fd10 | 616 | int (*open) (struct drm_device *, struct drm_file *); |
6c340eac | 617 | void (*preclose) (struct drm_device *, struct drm_file *file_priv); |
84b1fd10 | 618 | void (*postclose) (struct drm_device *, struct drm_file *); |
22eae947 DA |
619 | void (*lastclose) (struct drm_device *); |
620 | int (*unload) (struct drm_device *); | |
b932ccb5 | 621 | int (*suspend) (struct drm_device *, pm_message_t state); |
e8b962b6 | 622 | int (*resume) (struct drm_device *); |
c153f45f | 623 | int (*dma_ioctl) (struct drm_device *dev, void *data, struct drm_file *file_priv); |
b5e89ed5 | 624 | int (*dma_quiescent) (struct drm_device *); |
84b1fd10 | 625 | int (*context_dtor) (struct drm_device *dev, int context); |
915b4d11 | 626 | int (*set_busid)(struct drm_device *dev, struct drm_master *master); |
b5e89ed5 | 627 | |
0a3e67a4 JB |
628 | /** |
629 | * get_vblank_counter - get raw hardware vblank counter | |
630 | * @dev: DRM device | |
631 | * @crtc: counter to fetch | |
632 | * | |
3b02ab88 LP |
633 | * Driver callback for fetching a raw hardware vblank counter for @crtc. |
634 | * If a device doesn't have a hardware counter, the driver can simply | |
635 | * return the value of drm_vblank_count. The DRM core will account for | |
636 | * missed vblank events while interrupts where disabled based on system | |
637 | * timestamps. | |
0a3e67a4 JB |
638 | * |
639 | * Wraparound handling and loss of events due to modesetting is dealt | |
640 | * with in the DRM core code. | |
641 | * | |
642 | * RETURNS | |
643 | * Raw vblank counter value. | |
644 | */ | |
645 | u32 (*get_vblank_counter) (struct drm_device *dev, int crtc); | |
646 | ||
647 | /** | |
648 | * enable_vblank - enable vblank interrupt events | |
649 | * @dev: DRM device | |
650 | * @crtc: which irq to enable | |
651 | * | |
652 | * Enable vblank interrupts for @crtc. If the device doesn't have | |
653 | * a hardware vblank counter, this routine should be a no-op, since | |
654 | * interrupts will have to stay on to keep the count accurate. | |
655 | * | |
656 | * RETURNS | |
657 | * Zero on success, appropriate errno if the given @crtc's vblank | |
658 | * interrupt cannot be enabled. | |
659 | */ | |
660 | int (*enable_vblank) (struct drm_device *dev, int crtc); | |
661 | ||
662 | /** | |
663 | * disable_vblank - disable vblank interrupt events | |
664 | * @dev: DRM device | |
665 | * @crtc: which irq to enable | |
666 | * | |
667 | * Disable vblank interrupts for @crtc. If the device doesn't have | |
668 | * a hardware vblank counter, this routine should be a no-op, since | |
669 | * interrupts will have to stay on to keep the count accurate. | |
670 | */ | |
671 | void (*disable_vblank) (struct drm_device *dev, int crtc); | |
672 | ||
cda17380 DA |
673 | /** |
674 | * Called by \c drm_device_is_agp. Typically used to determine if a | |
675 | * card is really attached to AGP or not. | |
676 | * | |
677 | * \param dev DRM device handle | |
678 | * | |
679 | * \returns | |
680 | * One of three values is returned depending on whether or not the | |
681 | * card is absolutely \b not AGP (return of 0), absolutely \b is AGP | |
682 | * (return of 1), or may or may not be AGP (return of 2). | |
683 | */ | |
84b1fd10 | 684 | int (*device_is_agp) (struct drm_device *dev); |
cda17380 | 685 | |
27641c3f MK |
686 | /** |
687 | * Called by vblank timestamping code. | |
688 | * | |
8f6fce03 MK |
689 | * Return the current display scanout position from a crtc, and an |
690 | * optional accurate ktime_get timestamp of when position was measured. | |
27641c3f MK |
691 | * |
692 | * \param dev DRM device. | |
693 | * \param crtc Id of the crtc to query. | |
abca9e45 | 694 | * \param flags Flags from the caller (DRM_CALLED_FROM_VBLIRQ or 0). |
27641c3f MK |
695 | * \param *vpos Target location for current vertical scanout position. |
696 | * \param *hpos Target location for current horizontal scanout position. | |
8f6fce03 MK |
697 | * \param *stime Target location for timestamp taken immediately before |
698 | * scanout position query. Can be NULL to skip timestamp. | |
699 | * \param *etime Target location for timestamp taken immediately after | |
700 | * scanout position query. Can be NULL to skip timestamp. | |
27641c3f MK |
701 | * |
702 | * Returns vpos as a positive number while in active scanout area. | |
703 | * Returns vpos as a negative number inside vblank, counting the number | |
704 | * of scanlines to go until end of vblank, e.g., -1 means "one scanline | |
705 | * until start of active scanout / end of vblank." | |
706 | * | |
707 | * \return Flags, or'ed together as follows: | |
708 | * | |
25985edc | 709 | * DRM_SCANOUTPOS_VALID = Query successful. |
27641c3f MK |
710 | * DRM_SCANOUTPOS_INVBL = Inside vblank. |
711 | * DRM_SCANOUTPOS_ACCURATE = Returned position is accurate. A lack of | |
712 | * this flag means that returned position may be offset by a constant | |
713 | * but unknown small number of scanlines wrt. real scanout position. | |
714 | * | |
715 | */ | |
716 | int (*get_scanout_position) (struct drm_device *dev, int crtc, | |
abca9e45 | 717 | unsigned int flags, |
8f6fce03 MK |
718 | int *vpos, int *hpos, ktime_t *stime, |
719 | ktime_t *etime); | |
27641c3f MK |
720 | |
721 | /** | |
722 | * Called by \c drm_get_last_vbltimestamp. Should return a precise | |
723 | * timestamp when the most recent VBLANK interval ended or will end. | |
724 | * | |
725 | * Specifically, the timestamp in @vblank_time should correspond as | |
726 | * closely as possible to the time when the first video scanline of | |
727 | * the video frame after the end of VBLANK will start scanning out, | |
42b2aa86 | 728 | * the time immediately after end of the VBLANK interval. If the |
27641c3f MK |
729 | * @crtc is currently inside VBLANK, this will be a time in the future. |
730 | * If the @crtc is currently scanning out a frame, this will be the | |
731 | * past start time of the current scanout. This is meant to adhere | |
732 | * to the OpenML OML_sync_control extension specification. | |
733 | * | |
734 | * \param dev dev DRM device handle. | |
735 | * \param crtc crtc for which timestamp should be returned. | |
736 | * \param *max_error Maximum allowable timestamp error in nanoseconds. | |
737 | * Implementation should strive to provide timestamp | |
738 | * with an error of at most *max_error nanoseconds. | |
739 | * Returns true upper bound on error for timestamp. | |
740 | * \param *vblank_time Target location for returned vblank timestamp. | |
741 | * \param flags 0 = Defaults, no special treatment needed. | |
742 | * \param DRM_CALLED_FROM_VBLIRQ = Function is called from vblank | |
743 | * irq handler. Some drivers need to apply some workarounds | |
744 | * for gpu-specific vblank irq quirks if flag is set. | |
745 | * | |
746 | * \returns | |
747 | * Zero if timestamping isn't supported in current display mode or a | |
748 | * negative number on failure. A positive status code on success, | |
749 | * which describes how the vblank_time timestamp was computed. | |
750 | */ | |
751 | int (*get_vblank_timestamp) (struct drm_device *dev, int crtc, | |
752 | int *max_error, | |
753 | struct timeval *vblank_time, | |
754 | unsigned flags); | |
755 | ||
1da177e4 | 756 | /* these have to be filled in */ |
b5e89ed5 | 757 | |
e9f0d76f | 758 | irqreturn_t(*irq_handler) (int irq, void *arg); |
84b1fd10 | 759 | void (*irq_preinstall) (struct drm_device *dev); |
0a3e67a4 | 760 | int (*irq_postinstall) (struct drm_device *dev); |
84b1fd10 | 761 | void (*irq_uninstall) (struct drm_device *dev); |
22eae947 | 762 | |
7c1c2871 DA |
763 | /* Master routines */ |
764 | int (*master_create)(struct drm_device *dev, struct drm_master *master); | |
765 | void (*master_destroy)(struct drm_device *dev, struct drm_master *master); | |
862302ff TH |
766 | /** |
767 | * master_set is called whenever the minor master is set. | |
768 | * master_drop is called whenever the minor master is dropped. | |
769 | */ | |
770 | ||
771 | int (*master_set)(struct drm_device *dev, struct drm_file *file_priv, | |
772 | bool from_open); | |
773 | void (*master_drop)(struct drm_device *dev, struct drm_file *file_priv, | |
774 | bool from_release); | |
7c1c2871 | 775 | |
955b12de BG |
776 | int (*debugfs_init)(struct drm_minor *minor); |
777 | void (*debugfs_cleanup)(struct drm_minor *minor); | |
673a394b EA |
778 | |
779 | /** | |
780 | * Driver-specific constructor for drm_gem_objects, to set up | |
781 | * obj->driver_private. | |
782 | * | |
783 | * Returns 0 on success. | |
784 | */ | |
673a394b | 785 | void (*gem_free_object) (struct drm_gem_object *obj); |
304eda32 BS |
786 | int (*gem_open_object) (struct drm_gem_object *, struct drm_file *); |
787 | void (*gem_close_object) (struct drm_gem_object *, struct drm_file *); | |
673a394b | 788 | |
3248877e DA |
789 | /* prime: */ |
790 | /* export handle -> fd (see drm_gem_prime_handle_to_fd() helper) */ | |
791 | int (*prime_handle_to_fd)(struct drm_device *dev, struct drm_file *file_priv, | |
792 | uint32_t handle, uint32_t flags, int *prime_fd); | |
793 | /* import fd -> handle (see drm_gem_prime_fd_to_handle() helper) */ | |
794 | int (*prime_fd_to_handle)(struct drm_device *dev, struct drm_file *file_priv, | |
795 | int prime_fd, uint32_t *handle); | |
796 | /* export GEM -> dmabuf */ | |
797 | struct dma_buf * (*gem_prime_export)(struct drm_device *dev, | |
798 | struct drm_gem_object *obj, int flags); | |
799 | /* import dmabuf -> GEM */ | |
800 | struct drm_gem_object * (*gem_prime_import)(struct drm_device *dev, | |
801 | struct dma_buf *dma_buf); | |
89177644 AP |
802 | /* low-level interface used by drm_gem_prime_{import,export} */ |
803 | int (*gem_prime_pin)(struct drm_gem_object *obj); | |
102d6dba | 804 | void (*gem_prime_unpin)(struct drm_gem_object *obj); |
3aac4502 ML |
805 | struct reservation_object * (*gem_prime_res_obj)( |
806 | struct drm_gem_object *obj); | |
89177644 AP |
807 | struct sg_table *(*gem_prime_get_sg_table)(struct drm_gem_object *obj); |
808 | struct drm_gem_object *(*gem_prime_import_sg_table)( | |
809 | struct drm_device *dev, size_t size, | |
810 | struct sg_table *sgt); | |
811 | void *(*gem_prime_vmap)(struct drm_gem_object *obj); | |
812 | void (*gem_prime_vunmap)(struct drm_gem_object *obj, void *vaddr); | |
7c397cd9 JS |
813 | int (*gem_prime_mmap)(struct drm_gem_object *obj, |
814 | struct vm_area_struct *vma); | |
3248877e | 815 | |
28d52043 DA |
816 | /* vga arb irq handler */ |
817 | void (*vgaarb_irq)(struct drm_device *dev, bool state); | |
818 | ||
ff72145b DA |
819 | /* dumb alloc support */ |
820 | int (*dumb_create)(struct drm_file *file_priv, | |
821 | struct drm_device *dev, | |
822 | struct drm_mode_create_dumb *args); | |
823 | int (*dumb_map_offset)(struct drm_file *file_priv, | |
824 | struct drm_device *dev, uint32_t handle, | |
825 | uint64_t *offset); | |
826 | int (*dumb_destroy)(struct drm_file *file_priv, | |
827 | struct drm_device *dev, | |
828 | uint32_t handle); | |
829 | ||
a2c0a97b | 830 | /* Driver private ops for this object */ |
78b68556 | 831 | const struct vm_operations_struct *gem_vm_ops; |
a2c0a97b | 832 | |
22eae947 DA |
833 | int major; |
834 | int minor; | |
835 | int patchlevel; | |
836 | char *name; | |
837 | char *desc; | |
838 | char *date; | |
839 | ||
1da177e4 LT |
840 | u32 driver_features; |
841 | int dev_priv_size; | |
baa70943 | 842 | const struct drm_ioctl_desc *ioctls; |
1da177e4 | 843 | int num_ioctls; |
e08e96de | 844 | const struct file_operations *fops; |
8410ea3b | 845 | |
b3f2333d DV |
846 | /* List of devices hanging off this driver with stealth attach. */ |
847 | struct list_head legacy_dev_list; | |
1da177e4 LT |
848 | }; |
849 | ||
cb8a239b DH |
850 | enum drm_minor_type { |
851 | DRM_MINOR_LEGACY, | |
852 | DRM_MINOR_CONTROL, | |
853 | DRM_MINOR_RENDER, | |
854 | DRM_MINOR_CNT, | |
855 | }; | |
2c14f28b | 856 | |
955b12de BG |
857 | /** |
858 | * Info file list entry. This structure represents a debugfs or proc file to | |
859 | * be created by the drm core | |
860 | */ | |
861 | struct drm_info_list { | |
862 | const char *name; /** file name */ | |
863 | int (*show)(struct seq_file*, void*); /** show callback */ | |
864 | u32 driver_features; /**< Required driver features for this entry */ | |
865 | void *data; | |
866 | }; | |
867 | ||
868 | /** | |
869 | * debugfs node structure. This structure represents a debugfs file. | |
870 | */ | |
871 | struct drm_info_node { | |
872 | struct list_head list; | |
873 | struct drm_minor *minor; | |
ce089b54 | 874 | const struct drm_info_list *info_ent; |
955b12de BG |
875 | struct dentry *dent; |
876 | }; | |
877 | ||
1da177e4 | 878 | /** |
2c14f28b | 879 | * DRM minor structure. This structure represents a drm minor number. |
1da177e4 | 880 | */ |
2c14f28b DA |
881 | struct drm_minor { |
882 | int index; /**< Minor device number */ | |
883 | int type; /**< Control or render */ | |
5bdebb18 | 884 | struct device *kdev; /**< Linux device */ |
1da177e4 | 885 | struct drm_device *dev; |
955b12de | 886 | |
955b12de | 887 | struct dentry *debugfs_root; |
b3e067c0 MS |
888 | |
889 | struct list_head debugfs_list; | |
890 | struct mutex debugfs_lock; /* Protects debugfs_list. */ | |
955b12de | 891 | |
c996fd0b TH |
892 | /* currently active master for this node. Protected by master_mutex */ |
893 | struct drm_master *master; | |
f453ba04 | 894 | struct drm_mode_group mode_group; |
84b1fd10 | 895 | }; |
1da177e4 | 896 | |
1794d257 | 897 | |
c9a9c5e0 KH |
898 | struct drm_pending_vblank_event { |
899 | struct drm_pending_event base; | |
900 | int pipe; | |
901 | struct drm_event_vblank event; | |
902 | }; | |
903 | ||
5380e929 | 904 | struct drm_vblank_crtc { |
e69595c2 | 905 | struct drm_device *dev; /* pointer to the drm_device */ |
5380e929 VS |
906 | wait_queue_head_t queue; /**< VBLANK wait queue */ |
907 | struct timeval time[DRM_VBLANKTIME_RBSIZE]; /**< timestamp of current count */ | |
e69595c2 | 908 | struct timer_list disable_timer; /* delayed disable timer */ |
5380e929 VS |
909 | atomic_t count; /**< number of VBLANK interrupts */ |
910 | atomic_t refcount; /* number of users of vblank interruptsper crtc */ | |
911 | u32 last; /* protected by dev->vbl_lock, used */ | |
912 | /* for wraparound handling */ | |
913 | u32 last_wait; /* Last vblank seqno waited per CRTC */ | |
914 | unsigned int inmodeset; /* Display driver is setting mode */ | |
e69595c2 | 915 | int crtc; /* crtc index */ |
5380e929 VS |
916 | bool enabled; /* so we don't call enable more than |
917 | once per disable */ | |
918 | }; | |
919 | ||
1da177e4 LT |
920 | /** |
921 | * DRM device structure. This structure represent a complete card that | |
922 | * may contain multiple heads. | |
923 | */ | |
84b1fd10 | 924 | struct drm_device { |
b3f2333d | 925 | struct list_head legacy_dev_list;/**< list of devices per driver for stealth attach cleanup */ |
b5e89ed5 | 926 | int if_version; /**< Highest interface version set */ |
1da177e4 | 927 | |
45e212d2 DH |
928 | /** \name Lifetime Management */ |
929 | /*@{ */ | |
099d1c29 | 930 | struct kref ref; /**< Object ref-count */ |
45e212d2 DH |
931 | struct device *dev; /**< Device structure of bus-device */ |
932 | struct drm_driver *driver; /**< DRM driver managing the device */ | |
933 | void *dev_private; /**< DRM driver private data */ | |
45e212d2 DH |
934 | struct drm_minor *control; /**< Control node */ |
935 | struct drm_minor *primary; /**< Primary node */ | |
936 | struct drm_minor *render; /**< Render node */ | |
937 | atomic_t unplugged; /**< Flag whether dev is dead */ | |
07b48c3a | 938 | struct inode *anon_inode; /**< inode for private address-space */ |
ca8e2ad7 | 939 | char *unique; /**< unique name of the device */ |
45e212d2 DH |
940 | /*@} */ |
941 | ||
1da177e4 | 942 | /** \name Locks */ |
b5e89ed5 | 943 | /*@{ */ |
30e2fb18 | 944 | struct mutex struct_mutex; /**< For others */ |
c996fd0b | 945 | struct mutex master_mutex; /**< For drm_minor::master and drm_file::is_master */ |
b5e89ed5 | 946 | /*@} */ |
1da177e4 LT |
947 | |
948 | /** \name Usage Counters */ | |
b5e89ed5 | 949 | /*@{ */ |
fc8fd40e | 950 | int open_count; /**< Outstanding files open, protected by drm_global_mutex. */ |
2177a218 | 951 | spinlock_t buf_lock; /**< For drm_device::buf_use and a few other things. */ |
b5e89ed5 DA |
952 | int buf_use; /**< Buffers in use -- cannot alloc */ |
953 | atomic_t buf_alloc; /**< Buffer allocation in progress */ | |
954 | /*@} */ | |
1da177e4 | 955 | |
bd1b331f | 956 | struct list_head filelist; |
1da177e4 LT |
957 | |
958 | /** \name Memory management */ | |
b5e89ed5 | 959 | /*@{ */ |
bd1b331f | 960 | struct list_head maplist; /**< Linked list of regions */ |
e0be428e | 961 | struct drm_open_hash map_hash; /**< User token hash table for maps */ |
1da177e4 LT |
962 | |
963 | /** \name Context handle management */ | |
b5e89ed5 | 964 | /*@{ */ |
bd1b331f | 965 | struct list_head ctxlist; /**< Linked list of context handles */ |
30e2fb18 | 966 | struct mutex ctxlist_mutex; /**< For ctxlist */ |
1da177e4 | 967 | |
62968144 | 968 | struct idr ctx_idr; |
1da177e4 | 969 | |
bd1b331f | 970 | struct list_head vmalist; /**< List of vmas (for debugging) */ |
f453ba04 | 971 | |
b5e89ed5 | 972 | /*@} */ |
1da177e4 | 973 | |
a344a7e7 | 974 | /** \name DMA support */ |
b5e89ed5 | 975 | /*@{ */ |
cdd55a29 | 976 | struct drm_device_dma *dma; /**< Optional pointer for DMA support */ |
b5e89ed5 | 977 | /*@} */ |
1da177e4 LT |
978 | |
979 | /** \name Context support */ | |
b5e89ed5 | 980 | /*@{ */ |
4423843c | 981 | bool irq_enabled; /**< True if irq handler is enabled */ |
7c1a38e3 DV |
982 | int irq; |
983 | ||
1da177e4 | 984 | __volatile__ long context_flag; /**< Context swapping flag */ |
b5e89ed5 | 985 | int last_context; /**< Last current context */ |
b5e89ed5 DA |
986 | /*@} */ |
987 | ||
1da177e4 | 988 | /** \name VBLANK IRQ support */ |
b5e89ed5 DA |
989 | /*@{ */ |
990 | ||
0a3e67a4 JB |
991 | /* |
992 | * At load time, disabling the vblank interrupt won't be allowed since | |
993 | * old clients may not call the modeset ioctl and therefore misbehave. | |
994 | * Once the modeset ioctl *has* been called though, we can safely | |
995 | * disable them when unused. | |
996 | */ | |
ba0bf120 | 997 | bool vblank_disable_allowed; |
0a3e67a4 | 998 | |
5380e929 VS |
999 | /* array of size num_crtcs */ |
1000 | struct drm_vblank_crtc *vblank; | |
0a3e67a4 | 1001 | |
27641c3f | 1002 | spinlock_t vblank_time_lock; /**< Protects vblank count and time updates during vblank enable/disable */ |
b5e89ed5 | 1003 | spinlock_t vbl_lock; |
0a3e67a4 JB |
1004 | |
1005 | u32 max_vblank_count; /**< size of vblank counter register */ | |
b5e89ed5 | 1006 | |
c9a9c5e0 KH |
1007 | /** |
1008 | * List of events | |
1009 | */ | |
1010 | struct list_head vblank_event_list; | |
1011 | spinlock_t event_lock; | |
1012 | ||
b5e89ed5 | 1013 | /*@} */ |
b5e89ed5 | 1014 | |
55910517 | 1015 | struct drm_agp_head *agp; /**< AGP data */ |
1da177e4 | 1016 | |
b5e89ed5 | 1017 | struct pci_dev *pdev; /**< PCI device structure */ |
1da177e4 | 1018 | #ifdef __alpha__ |
1da177e4 | 1019 | struct pci_controller *hose; |
1da177e4 | 1020 | #endif |
dcdb1674 JC |
1021 | |
1022 | struct platform_device *platformdev; /**< Platform device struture */ | |
a250b9fd | 1023 | struct usb_device *usbdev; |
dcdb1674 | 1024 | |
55910517 | 1025 | struct drm_sg_mem *sg; /**< Scatter gather memory */ |
19227561 | 1026 | unsigned int num_crtcs; /**< Number of CRTCs on this device */ |
b5e89ed5 DA |
1027 | sigset_t sigmask; |
1028 | ||
69d516c0 DH |
1029 | struct { |
1030 | int context; | |
1031 | struct drm_hw_lock *lock; | |
1032 | } sigdata; | |
1033 | ||
f77d390c | 1034 | struct drm_local_map *agp_buffer_map; |
d1f2b55a | 1035 | unsigned int agp_buffer_token; |
bea5679f | 1036 | |
f453ba04 DA |
1037 | struct drm_mode_config mode_config; /**< Current mode config */ |
1038 | ||
673a394b EA |
1039 | /** \name GEM information */ |
1040 | /*@{ */ | |
cd4f013f | 1041 | struct mutex object_name_lock; |
673a394b | 1042 | struct idr object_name_idr; |
b04a5906 | 1043 | struct drm_vma_offset_manager *vma_offset_manager; |
673a394b | 1044 | /*@} */ |
5bcf719b | 1045 | int switch_power_state; |
84b1fd10 | 1046 | }; |
1da177e4 | 1047 | |
5bcf719b DA |
1048 | #define DRM_SWITCH_POWER_ON 0 |
1049 | #define DRM_SWITCH_POWER_OFF 1 | |
1050 | #define DRM_SWITCH_POWER_CHANGING 2 | |
13bb9cc8 | 1051 | #define DRM_SWITCH_POWER_DYNAMIC_OFF 3 |
5bcf719b | 1052 | |
b5e89ed5 DA |
1053 | static __inline__ int drm_core_check_feature(struct drm_device *dev, |
1054 | int feature) | |
1da177e4 LT |
1055 | { |
1056 | return ((dev->driver->driver_features & feature) ? 1 : 0); | |
1057 | } | |
1058 | ||
2c07a21d DA |
1059 | static inline void drm_device_set_unplugged(struct drm_device *dev) |
1060 | { | |
1061 | smp_wmb(); | |
1062 | atomic_set(&dev->unplugged, 1); | |
1063 | } | |
1064 | ||
1065 | static inline int drm_device_is_unplugged(struct drm_device *dev) | |
1066 | { | |
1067 | int ret = atomic_read(&dev->unplugged); | |
1068 | smp_rmb(); | |
1069 | return ret; | |
1070 | } | |
1071 | ||
43683057 | 1072 | static inline bool drm_is_render_client(const struct drm_file *file_priv) |
1793126f DH |
1073 | { |
1074 | return file_priv->minor->type == DRM_MINOR_RENDER; | |
1075 | } | |
1076 | ||
ac05dbc5 TH |
1077 | static inline bool drm_is_control_client(const struct drm_file *file_priv) |
1078 | { | |
1079 | return file_priv->minor->type == DRM_MINOR_CONTROL; | |
1080 | } | |
1081 | ||
43683057 TH |
1082 | static inline bool drm_is_primary_client(const struct drm_file *file_priv) |
1083 | { | |
1084 | return file_priv->minor->type == DRM_MINOR_LEGACY; | |
1085 | } | |
1086 | ||
1da177e4 LT |
1087 | /******************************************************************/ |
1088 | /** \name Internal function definitions */ | |
1089 | /*@{*/ | |
1090 | ||
1da177e4 | 1091 | /* Driver support (drm_drv.h) */ |
ed8b6704 AB |
1092 | extern long drm_ioctl(struct file *filp, |
1093 | unsigned int cmd, unsigned long arg); | |
b5e89ed5 DA |
1094 | extern long drm_compat_ioctl(struct file *filp, |
1095 | unsigned int cmd, unsigned long arg); | |
84b1fd10 | 1096 | extern int drm_lastclose(struct drm_device *dev); |
4beb6d9f | 1097 | extern bool drm_ioctl_flags(unsigned int nr, unsigned int *flags); |
1da177e4 LT |
1098 | |
1099 | /* Device support (drm_fops.h) */ | |
58374713 | 1100 | extern struct mutex drm_global_mutex; |
b5e89ed5 | 1101 | extern int drm_open(struct inode *inode, struct file *filp); |
c9a9c5e0 KH |
1102 | extern ssize_t drm_read(struct file *filp, char __user *buffer, |
1103 | size_t count, loff_t *offset); | |
b5e89ed5 | 1104 | extern int drm_release(struct inode *inode, struct file *filp); |
1da177e4 LT |
1105 | |
1106 | /* Mapping support (drm_vm.h) */ | |
b5e89ed5 | 1107 | extern int drm_mmap(struct file *filp, struct vm_area_struct *vma); |
a2c0a97b | 1108 | extern int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma); |
b06d66be RC |
1109 | extern void drm_vm_open_locked(struct drm_device *dev, struct vm_area_struct *vma); |
1110 | extern void drm_vm_close_locked(struct drm_device *dev, struct vm_area_struct *vma); | |
b5e89ed5 | 1111 | extern unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait); |
1da177e4 | 1112 | |
1da177e4 | 1113 | /* Misc. IOCTL support (drm_ioctl.h) */ |
c153f45f EA |
1114 | extern int drm_irq_by_busid(struct drm_device *dev, void *data, |
1115 | struct drm_file *file_priv); | |
1116 | extern int drm_getunique(struct drm_device *dev, void *data, | |
1117 | struct drm_file *file_priv); | |
1118 | extern int drm_setunique(struct drm_device *dev, void *data, | |
1119 | struct drm_file *file_priv); | |
1120 | extern int drm_getmap(struct drm_device *dev, void *data, | |
1121 | struct drm_file *file_priv); | |
1122 | extern int drm_getclient(struct drm_device *dev, void *data, | |
1123 | struct drm_file *file_priv); | |
1124 | extern int drm_getstats(struct drm_device *dev, void *data, | |
1125 | struct drm_file *file_priv); | |
9f35421e BS |
1126 | extern int drm_getcap(struct drm_device *dev, void *data, |
1127 | struct drm_file *file_priv); | |
1c0814fe DL |
1128 | extern int drm_setclientcap(struct drm_device *dev, void *data, |
1129 | struct drm_file *file_priv); | |
c153f45f EA |
1130 | extern int drm_setversion(struct drm_device *dev, void *data, |
1131 | struct drm_file *file_priv); | |
1132 | extern int drm_noop(struct drm_device *dev, void *data, | |
1133 | struct drm_file *file_priv); | |
1da177e4 | 1134 | |
1da177e4 | 1135 | /* Authentication IOCTL support (drm_auth.h) */ |
c153f45f EA |
1136 | extern int drm_getmagic(struct drm_device *dev, void *data, |
1137 | struct drm_file *file_priv); | |
1138 | extern int drm_authmagic(struct drm_device *dev, void *data, | |
1139 | struct drm_file *file_priv); | |
598781d7 | 1140 | extern int drm_remove_magic(struct drm_master *master, drm_magic_t magic); |
1da177e4 | 1141 | |
673a394b EA |
1142 | /* Cache management (drm_cache.c) */ |
1143 | void drm_clflush_pages(struct page *pages[], unsigned long num_pages); | |
9da3da66 | 1144 | void drm_clflush_sg(struct sg_table *st); |
c2d15359 | 1145 | void drm_clflush_virt_range(void *addr, unsigned long length); |
673a394b | 1146 | |
1da177e4 | 1147 | /* Locking IOCTL support (drm_lock.h) */ |
c153f45f EA |
1148 | extern int drm_lock(struct drm_device *dev, void *data, |
1149 | struct drm_file *file_priv); | |
1150 | extern int drm_unlock(struct drm_device *dev, void *data, | |
1151 | struct drm_file *file_priv); | |
55910517 DA |
1152 | extern int drm_lock_free(struct drm_lock_data *lock_data, unsigned int context); |
1153 | extern void drm_idlelock_take(struct drm_lock_data *lock_data); | |
1154 | extern void drm_idlelock_release(struct drm_lock_data *lock_data); | |
040ac320 TH |
1155 | |
1156 | /* | |
1157 | * These are exported to drivers so that they can implement fencing using | |
1158 | * DMA quiscent + idle. DMA quiescent usually requires the hardware lock. | |
1159 | */ | |
1160 | ||
c153f45f | 1161 | extern int drm_i_have_hw_lock(struct drm_device *dev, struct drm_file *file_priv); |
1da177e4 | 1162 | |
1da177e4 | 1163 | /* DMA support (drm_dma.h) */ |
e2e99a82 DV |
1164 | extern int drm_legacy_dma_setup(struct drm_device *dev); |
1165 | extern void drm_legacy_dma_takedown(struct drm_device *dev); | |
056219e2 | 1166 | extern void drm_free_buffer(struct drm_device *dev, struct drm_buf * buf); |
6c340eac EA |
1167 | extern void drm_core_reclaim_buffers(struct drm_device *dev, |
1168 | struct drm_file *filp); | |
1da177e4 LT |
1169 | |
1170 | /* IRQ support (drm_irq.h) */ | |
c153f45f EA |
1171 | extern int drm_control(struct drm_device *dev, void *data, |
1172 | struct drm_file *file_priv); | |
bb0f1b5c | 1173 | extern int drm_irq_install(struct drm_device *dev, int irq); |
84b1fd10 | 1174 | extern int drm_irq_uninstall(struct drm_device *dev); |
b5e89ed5 | 1175 | |
0a3e67a4 | 1176 | extern int drm_vblank_init(struct drm_device *dev, int num_crtcs); |
af6061af | 1177 | extern int drm_wait_vblank(struct drm_device *dev, void *data, |
0a3e67a4 | 1178 | struct drm_file *filp); |
0a3e67a4 | 1179 | extern u32 drm_vblank_count(struct drm_device *dev, int crtc); |
27641c3f MK |
1180 | extern u32 drm_vblank_count_and_time(struct drm_device *dev, int crtc, |
1181 | struct timeval *vblanktime); | |
c6eefa17 RC |
1182 | extern void drm_send_vblank_event(struct drm_device *dev, int crtc, |
1183 | struct drm_pending_vblank_event *e); | |
78c6e170 | 1184 | extern bool drm_handle_vblank(struct drm_device *dev, int crtc); |
0a3e67a4 JB |
1185 | extern int drm_vblank_get(struct drm_device *dev, int crtc); |
1186 | extern void drm_vblank_put(struct drm_device *dev, int crtc); | |
89dd6a4b DV |
1187 | extern int drm_crtc_vblank_get(struct drm_crtc *crtc); |
1188 | extern void drm_crtc_vblank_put(struct drm_crtc *crtc); | |
e8450f51 DV |
1189 | extern void drm_wait_one_vblank(struct drm_device *dev, int crtc); |
1190 | extern void drm_crtc_wait_one_vblank(struct drm_crtc *crtc); | |
778c9026 | 1191 | extern void drm_vblank_off(struct drm_device *dev, int crtc); |
f2752282 | 1192 | extern void drm_vblank_on(struct drm_device *dev, int crtc); |
89dd6a4b DV |
1193 | extern void drm_crtc_vblank_off(struct drm_crtc *crtc); |
1194 | extern void drm_crtc_vblank_on(struct drm_crtc *crtc); | |
52440211 | 1195 | extern void drm_vblank_cleanup(struct drm_device *dev); |
89dd6a4b | 1196 | |
27641c3f MK |
1197 | extern u32 drm_get_last_vbltimestamp(struct drm_device *dev, int crtc, |
1198 | struct timeval *tvblank, unsigned flags); | |
1199 | extern int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev, | |
1200 | int crtc, int *max_error, | |
1201 | struct timeval *vblank_time, | |
1202 | unsigned flags, | |
7da903ef VS |
1203 | const struct drm_crtc *refcrtc, |
1204 | const struct drm_display_mode *mode); | |
545cdd55 VS |
1205 | extern void drm_calc_timestamping_constants(struct drm_crtc *crtc, |
1206 | const struct drm_display_mode *mode); | |
27641c3f | 1207 | |
020178a1 VS |
1208 | /** |
1209 | * drm_crtc_vblank_waitqueue - get vblank waitqueue for the CRTC | |
1210 | * @crtc: which CRTC's vblank waitqueue to retrieve | |
1211 | * | |
1212 | * This function returns a pointer to the vblank waitqueue for the CRTC. | |
1213 | * Drivers can use this to implement vblank waits using wait_event() & co. | |
1214 | */ | |
1215 | static inline wait_queue_head_t *drm_crtc_vblank_waitqueue(struct drm_crtc *crtc) | |
1216 | { | |
1217 | return &crtc->dev->vblank[drm_crtc_index(crtc)].queue; | |
1218 | } | |
ebc64e45 | 1219 | |
0a3e67a4 | 1220 | /* Modesetting support */ |
f453ba04 DA |
1221 | extern void drm_vblank_pre_modeset(struct drm_device *dev, int crtc); |
1222 | extern void drm_vblank_post_modeset(struct drm_device *dev, int crtc); | |
0a3e67a4 JB |
1223 | extern int drm_modeset_ctl(struct drm_device *dev, void *data, |
1224 | struct drm_file *file_priv); | |
1da177e4 | 1225 | |
1da177e4 | 1226 | /* Stub support (drm_stub.h) */ |
7c1c2871 DA |
1227 | extern int drm_setmaster_ioctl(struct drm_device *dev, void *data, |
1228 | struct drm_file *file_priv); | |
1229 | extern int drm_dropmaster_ioctl(struct drm_device *dev, void *data, | |
1230 | struct drm_file *file_priv); | |
1231 | struct drm_master *drm_master_create(struct drm_minor *minor); | |
1232 | extern struct drm_master *drm_master_get(struct drm_master *master); | |
1233 | extern void drm_master_put(struct drm_master **master); | |
8410ea3b | 1234 | |
112b715e | 1235 | extern void drm_put_dev(struct drm_device *dev); |
2c07a21d | 1236 | extern void drm_unplug_dev(struct drm_device *dev); |
b5e89ed5 | 1237 | extern unsigned int drm_debug; |
2c14f28b | 1238 | |
27641c3f MK |
1239 | extern unsigned int drm_vblank_offdelay; |
1240 | extern unsigned int drm_timestamp_precision; | |
c61eef72 | 1241 | extern unsigned int drm_timestamp_monotonic; |
27641c3f | 1242 | |
0650fd58 | 1243 | extern struct class *drm_class; |
2c14f28b | 1244 | |
955b12de BG |
1245 | /* Debugfs support */ |
1246 | #if defined(CONFIG_DEBUG_FS) | |
1247 | extern int drm_debugfs_init(struct drm_minor *minor, int minor_id, | |
1248 | struct dentry *root); | |
7d74795b LD |
1249 | extern int drm_debugfs_create_files(const struct drm_info_list *files, |
1250 | int count, struct dentry *root, | |
1251 | struct drm_minor *minor); | |
1252 | extern int drm_debugfs_remove_files(const struct drm_info_list *files, | |
1253 | int count, struct drm_minor *minor); | |
955b12de | 1254 | extern int drm_debugfs_cleanup(struct drm_minor *minor); |
30f65707 TW |
1255 | extern int drm_debugfs_connector_add(struct drm_connector *connector); |
1256 | extern void drm_debugfs_connector_remove(struct drm_connector *connector); | |
66ee52e2 TR |
1257 | #else |
1258 | static inline int drm_debugfs_init(struct drm_minor *minor, int minor_id, | |
1259 | struct dentry *root) | |
1260 | { | |
1261 | return 0; | |
1262 | } | |
1263 | ||
1264 | static inline int drm_debugfs_create_files(const struct drm_info_list *files, | |
1265 | int count, struct dentry *root, | |
1266 | struct drm_minor *minor) | |
1267 | { | |
1268 | return 0; | |
1269 | } | |
1270 | ||
1271 | static inline int drm_debugfs_remove_files(const struct drm_info_list *files, | |
1272 | int count, struct drm_minor *minor) | |
1273 | { | |
1274 | return 0; | |
1275 | } | |
1276 | ||
1277 | static inline int drm_debugfs_cleanup(struct drm_minor *minor) | |
1278 | { | |
1279 | return 0; | |
1280 | } | |
30f65707 TW |
1281 | |
1282 | static inline int drm_debugfs_connector_add(struct drm_connector *connector) | |
1283 | { | |
1284 | return 0; | |
1285 | } | |
1286 | static inline void drm_debugfs_connector_remove(struct drm_connector *connector) | |
1287 | { | |
1288 | } | |
1289 | ||
955b12de BG |
1290 | #endif |
1291 | ||
1292 | /* Info file support */ | |
1293 | extern int drm_name_info(struct seq_file *m, void *data); | |
1294 | extern int drm_vm_info(struct seq_file *m, void *data); | |
955b12de BG |
1295 | extern int drm_bufs_info(struct seq_file *m, void *data); |
1296 | extern int drm_vblank_info(struct seq_file *m, void *data); | |
1297 | extern int drm_clients_info(struct seq_file *m, void* data); | |
1298 | extern int drm_gem_name_info(struct seq_file *m, void *data); | |
955b12de | 1299 | |
3248877e | 1300 | |
89177644 AP |
1301 | extern struct dma_buf *drm_gem_prime_export(struct drm_device *dev, |
1302 | struct drm_gem_object *obj, int flags); | |
3248877e DA |
1303 | extern int drm_gem_prime_handle_to_fd(struct drm_device *dev, |
1304 | struct drm_file *file_priv, uint32_t handle, uint32_t flags, | |
1305 | int *prime_fd); | |
89177644 AP |
1306 | extern struct drm_gem_object *drm_gem_prime_import(struct drm_device *dev, |
1307 | struct dma_buf *dma_buf); | |
3248877e DA |
1308 | extern int drm_gem_prime_fd_to_handle(struct drm_device *dev, |
1309 | struct drm_file *file_priv, int prime_fd, uint32_t *handle); | |
c1d6798d | 1310 | extern void drm_gem_dmabuf_release(struct dma_buf *dma_buf); |
3248877e DA |
1311 | |
1312 | extern int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data, | |
1313 | struct drm_file *file_priv); | |
1314 | extern int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data, | |
1315 | struct drm_file *file_priv); | |
1316 | ||
51ab7ba2 DA |
1317 | extern int drm_prime_sg_to_page_addr_arrays(struct sg_table *sgt, struct page **pages, |
1318 | dma_addr_t *addrs, int max_pages); | |
3248877e DA |
1319 | extern struct sg_table *drm_prime_pages_to_sg(struct page **pages, int nr_pages); |
1320 | extern void drm_prime_gem_destroy(struct drm_gem_object *obj, struct sg_table *sg); | |
1321 | ||
43387b37 DV |
1322 | int drm_gem_dumb_destroy(struct drm_file *file, |
1323 | struct drm_device *dev, | |
1324 | uint32_t handle); | |
3248877e DA |
1325 | |
1326 | void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv); | |
1327 | void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv); | |
d0b2c533 | 1328 | void drm_prime_remove_buf_handle_locked(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf); |
3248877e | 1329 | |
955b12de | 1330 | extern int drm_vma_info(struct seq_file *m, void *data); |
955b12de | 1331 | |
1da177e4 | 1332 | /* Scatter Gather Support (drm_scatter.h) */ |
3d914e83 | 1333 | extern void drm_legacy_sg_cleanup(struct drm_device *dev); |
1d8d29cf | 1334 | extern int drm_sg_alloc(struct drm_device *dev, void *data, |
c153f45f | 1335 | struct drm_file *file_priv); |
c153f45f EA |
1336 | extern int drm_sg_free(struct drm_device *dev, void *data, |
1337 | struct drm_file *file_priv); | |
1da177e4 | 1338 | |
b5e89ed5 | 1339 | /* ATI PCIGART support (ati_pcigart.h) */ |
84b1fd10 | 1340 | extern int drm_ati_pcigart_init(struct drm_device *dev, |
55910517 | 1341 | struct drm_ati_pcigart_info * gart_info); |
84b1fd10 | 1342 | extern int drm_ati_pcigart_cleanup(struct drm_device *dev, |
55910517 | 1343 | struct drm_ati_pcigart_info * gart_info); |
1da177e4 | 1344 | |
84b1fd10 | 1345 | extern drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size, |
e6be8d9d | 1346 | size_t align); |
84b1fd10 DA |
1347 | extern void __drm_pci_free(struct drm_device *dev, drm_dma_handle_t * dmah); |
1348 | extern void drm_pci_free(struct drm_device *dev, drm_dma_handle_t * dmah); | |
53bf2a2b DV |
1349 | extern int drm_pci_set_unique(struct drm_device *dev, |
1350 | struct drm_master *master, | |
1351 | struct drm_unique *u); | |
1da177e4 | 1352 | |
9fc5cde7 DH |
1353 | /* Legacy Support */ |
1354 | ||
1355 | int drm_legacy_addmap(struct drm_device *d, resource_size_t offset, | |
1356 | unsigned int size, enum drm_map_type type, | |
1357 | enum drm_map_flags flags, struct drm_local_map **map_p); | |
1358 | int drm_legacy_rmmap(struct drm_device *d, struct drm_local_map *map); | |
1359 | int drm_legacy_rmmap_locked(struct drm_device *d, struct drm_local_map *map); | |
1360 | struct drm_local_map *drm_legacy_getsarea(struct drm_device *dev); | |
1361 | ||
1362 | int drm_legacy_addbufs_agp(struct drm_device *d, struct drm_buf_desc *req); | |
1363 | int drm_legacy_addbufs_pci(struct drm_device *d, struct drm_buf_desc *req); | |
1364 | ||
03decbe5 DH |
1365 | void drm_legacy_vma_flush(struct drm_device *d); |
1366 | ||
1da177e4 | 1367 | /* sysfs support (drm_sysfs.c) */ |
e8b962b6 | 1368 | struct drm_sysfs_class; |
0650fd58 | 1369 | extern struct class *drm_sysfs_create(struct module *owner, char *name); |
e8b962b6 | 1370 | extern void drm_sysfs_destroy(void); |
e1728075 | 1371 | extern struct device *drm_sysfs_minor_alloc(struct drm_minor *minor); |
f453ba04 | 1372 | extern void drm_sysfs_hotplug_event(struct drm_device *dev); |
f453ba04 DA |
1373 | extern int drm_sysfs_connector_add(struct drm_connector *connector); |
1374 | extern void drm_sysfs_connector_remove(struct drm_connector *connector); | |
1da177e4 | 1375 | |
673a394b EA |
1376 | /* Graphics Execution Manager library functions (drm_gem.c) */ |
1377 | int drm_gem_init(struct drm_device *dev); | |
a2c0a97b | 1378 | void drm_gem_destroy(struct drm_device *dev); |
fd632aa3 | 1379 | void drm_gem_object_release(struct drm_gem_object *obj); |
673a394b | 1380 | void drm_gem_object_free(struct kref *kref); |
1d397043 DV |
1381 | int drm_gem_object_init(struct drm_device *dev, |
1382 | struct drm_gem_object *obj, size_t size); | |
89c8233f DH |
1383 | void drm_gem_private_object_init(struct drm_device *dev, |
1384 | struct drm_gem_object *obj, size_t size); | |
ab00b3e5 JB |
1385 | void drm_gem_vm_open(struct vm_area_struct *vma); |
1386 | void drm_gem_vm_close(struct vm_area_struct *vma); | |
1c5aafa6 LP |
1387 | int drm_gem_mmap_obj(struct drm_gem_object *obj, unsigned long obj_size, |
1388 | struct vm_area_struct *vma); | |
a2c0a97b | 1389 | int drm_gem_mmap(struct file *filp, struct vm_area_struct *vma); |
673a394b EA |
1390 | |
1391 | static inline void | |
1392 | drm_gem_object_reference(struct drm_gem_object *obj) | |
1393 | { | |
1394 | kref_get(&obj->refcount); | |
1395 | } | |
1396 | ||
1397 | static inline void | |
1398 | drm_gem_object_unreference(struct drm_gem_object *obj) | |
1399 | { | |
c3ae90c0 LB |
1400 | if (obj != NULL) |
1401 | kref_put(&obj->refcount, drm_gem_object_free); | |
1402 | } | |
673a394b | 1403 | |
c3ae90c0 LB |
1404 | static inline void |
1405 | drm_gem_object_unreference_unlocked(struct drm_gem_object *obj) | |
1406 | { | |
7fc65eb7 | 1407 | if (obj && !atomic_add_unless(&obj->refcount.refcount, -1, 1)) { |
39b4d07a | 1408 | struct drm_device *dev = obj->dev; |
7fc65eb7 | 1409 | |
39b4d07a | 1410 | mutex_lock(&dev->struct_mutex); |
7fc65eb7 CW |
1411 | if (likely(atomic_dec_and_test(&obj->refcount.refcount))) |
1412 | drm_gem_object_free(&obj->refcount); | |
39b4d07a CW |
1413 | mutex_unlock(&dev->struct_mutex); |
1414 | } | |
673a394b EA |
1415 | } |
1416 | ||
20228c44 DV |
1417 | int drm_gem_handle_create_tail(struct drm_file *file_priv, |
1418 | struct drm_gem_object *obj, | |
1419 | u32 *handlep); | |
673a394b EA |
1420 | int drm_gem_handle_create(struct drm_file *file_priv, |
1421 | struct drm_gem_object *obj, | |
a1a2d1d3 | 1422 | u32 *handlep); |
ff72145b | 1423 | int drm_gem_handle_delete(struct drm_file *filp, u32 handle); |
673a394b | 1424 | |
c3ae90c0 | 1425 | |
75ef8b3b RC |
1426 | void drm_gem_free_mmap_offset(struct drm_gem_object *obj); |
1427 | int drm_gem_create_mmap_offset(struct drm_gem_object *obj); | |
367bbd49 | 1428 | int drm_gem_create_mmap_offset_size(struct drm_gem_object *obj, size_t size); |
75ef8b3b | 1429 | |
0cdbe8ac | 1430 | struct page **drm_gem_get_pages(struct drm_gem_object *obj); |
bcc5c9d5 RC |
1431 | void drm_gem_put_pages(struct drm_gem_object *obj, struct page **pages, |
1432 | bool dirty, bool accessed); | |
1433 | ||
673a394b EA |
1434 | struct drm_gem_object *drm_gem_object_lookup(struct drm_device *dev, |
1435 | struct drm_file *filp, | |
a1a2d1d3 | 1436 | u32 handle); |
673a394b EA |
1437 | int drm_gem_close_ioctl(struct drm_device *dev, void *data, |
1438 | struct drm_file *file_priv); | |
1439 | int drm_gem_flink_ioctl(struct drm_device *dev, void *data, | |
1440 | struct drm_file *file_priv); | |
1441 | int drm_gem_open_ioctl(struct drm_device *dev, void *data, | |
1442 | struct drm_file *file_priv); | |
1443 | void drm_gem_open(struct drm_device *dev, struct drm_file *file_private); | |
1444 | void drm_gem_release(struct drm_device *dev, struct drm_file *file_private); | |
1445 | ||
f77d390c BH |
1446 | extern void drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev); |
1447 | extern void drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev); | |
1448 | extern void drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev); | |
1da177e4 | 1449 | |
f77d390c BH |
1450 | static __inline__ struct drm_local_map *drm_core_findmap(struct drm_device *dev, |
1451 | unsigned int token) | |
1da177e4 | 1452 | { |
55910517 | 1453 | struct drm_map_list *_entry; |
bd1b331f | 1454 | list_for_each_entry(_entry, &dev->maplist, head) |
b5e89ed5 DA |
1455 | if (_entry->user_token == token) |
1456 | return _entry->map; | |
1da177e4 LT |
1457 | return NULL; |
1458 | } | |
1459 | ||
8410ea3b | 1460 | static __inline__ void drm_core_dropmap(struct drm_local_map *map) |
cda17380 | 1461 | { |
8410ea3b DA |
1462 | } |
1463 | ||
1bb72532 DH |
1464 | struct drm_device *drm_dev_alloc(struct drm_driver *driver, |
1465 | struct device *parent); | |
099d1c29 DH |
1466 | void drm_dev_ref(struct drm_device *dev); |
1467 | void drm_dev_unref(struct drm_device *dev); | |
c22f0ace | 1468 | int drm_dev_register(struct drm_device *dev, unsigned long flags); |
c3a49737 | 1469 | void drm_dev_unregister(struct drm_device *dev); |
ca8e2ad7 | 1470 | int drm_dev_set_unique(struct drm_device *dev, const char *fmt, ...); |
1616c525 DH |
1471 | |
1472 | struct drm_minor *drm_minor_acquire(unsigned int minor_id); | |
1473 | void drm_minor_release(struct drm_minor *minor); | |
1474 | ||
8410ea3b DA |
1475 | /*@}*/ |
1476 | ||
1477 | /* PCI section */ | |
1478 | static __inline__ int drm_pci_device_is_agp(struct drm_device *dev) | |
1479 | { | |
b5e89ed5 DA |
1480 | if (dev->driver->device_is_agp != NULL) { |
1481 | int err = (*dev->driver->device_is_agp) (dev); | |
1482 | ||
cda17380 DA |
1483 | if (err != 2) { |
1484 | return err; | |
1485 | } | |
1486 | } | |
1487 | ||
1488 | return pci_find_capability(dev->pdev, PCI_CAP_ID_AGP); | |
1489 | } | |
4efafebe | 1490 | void drm_pci_agp_destroy(struct drm_device *dev); |
cda17380 | 1491 | |
8410ea3b DA |
1492 | extern int drm_pci_init(struct drm_driver *driver, struct pci_driver *pdriver); |
1493 | extern void drm_pci_exit(struct drm_driver *driver, struct pci_driver *pdriver); | |
1494 | extern int drm_get_pci_dev(struct pci_dev *pdev, | |
dcdb1674 JC |
1495 | const struct pci_device_id *ent, |
1496 | struct drm_driver *driver); | |
915b4d11 | 1497 | extern int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master); |
8410ea3b | 1498 | |
f4297784 DA |
1499 | #define DRM_PCIE_SPEED_25 1 |
1500 | #define DRM_PCIE_SPEED_50 2 | |
1501 | #define DRM_PCIE_SPEED_80 4 | |
1502 | ||
1503 | extern int drm_pcie_get_speed_cap_mask(struct drm_device *dev, u32 *speed_mask); | |
8410ea3b DA |
1504 | |
1505 | /* platform section */ | |
1506 | extern int drm_platform_init(struct drm_driver *driver, struct platform_device *platform_device); | |
915b4d11 | 1507 | extern int drm_platform_set_busid(struct drm_device *d, struct drm_master *m); |
8410ea3b | 1508 | |
cc1f7194 DA |
1509 | /* returns true if currently okay to sleep */ |
1510 | static __inline__ bool drm_can_sleep(void) | |
1511 | { | |
1512 | if (in_atomic() || in_dbg_master() || irqs_disabled()) | |
1513 | return false; | |
1514 | return true; | |
1515 | } | |
1516 | ||
1da177e4 | 1517 | #endif |