Commit | Line | Data |
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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. | |
dcdb1674 | 12 | * Copyright (c) 2009-2010, Code Aurora Forum. |
1da177e4 LT |
13 | * All rights reserved. |
14 | * | |
15 | * Permission is hereby granted, free of charge, to any person obtaining a | |
16 | * copy of this software and associated documentation files (the "Software"), | |
17 | * to deal in the Software without restriction, including without limitation | |
18 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
19 | * and/or sell copies of the Software, and to permit persons to whom the | |
20 | * Software is furnished to do so, subject to the following conditions: | |
21 | * | |
22 | * The above copyright notice and this permission notice (including the next | |
23 | * paragraph) shall be included in all copies or substantial portions of the | |
24 | * Software. | |
25 | * | |
26 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
27 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
28 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
29 | * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
30 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
31 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
32 | * OTHER DEALINGS IN THE SOFTWARE. | |
33 | */ | |
34 | ||
35 | #ifndef _DRM_P_H_ | |
36 | #define _DRM_P_H_ | |
37 | ||
1da177e4 LT |
38 | #ifdef __KERNEL__ |
39 | #ifdef __alpha__ | |
40 | /* add include of current.h so that "current" is defined | |
41 | * before static inline funcs in wait.h. Doing this so we | |
42 | * can build the DRM (part of PI DRI). 4/21/2000 S + B */ | |
43 | #include <asm/current.h> | |
b5e89ed5 | 44 | #endif /* __alpha__ */ |
1da177e4 | 45 | #include <linux/kernel.h> |
099d1c29 | 46 | #include <linux/kref.h> |
1da177e4 LT |
47 | #include <linux/miscdevice.h> |
48 | #include <linux/fs.h> | |
1da177e4 LT |
49 | #include <linux/init.h> |
50 | #include <linux/file.h> | |
dcdb1674 | 51 | #include <linux/platform_device.h> |
1da177e4 | 52 | #include <linux/pci.h> |
1da177e4 | 53 | #include <linux/jiffies.h> |
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> |
03dae7c5 | 58 | #include <linux/io.h> |
5a0e3ad6 | 59 | #include <linux/slab.h> |
5d13d425 | 60 | #include <linux/ratelimit.h> |
1da177e4 | 61 | #if defined(__alpha__) || defined(__powerpc__) |
b5e89ed5 | 62 | #include <asm/pgtable.h> /* For pte_wrprotect */ |
1da177e4 | 63 | #endif |
1da177e4 LT |
64 | #include <asm/mman.h> |
65 | #include <asm/uaccess.h> | |
1da177e4 LT |
66 | #include <linux/types.h> |
67 | #include <linux/agp_backend.h> | |
1da177e4 LT |
68 | #include <linux/workqueue.h> |
69 | #include <linux/poll.h> | |
70 | #include <asm/pgalloc.h> | |
19218e48 DH |
71 | #include <drm/drm.h> |
72 | #include <drm/drm_sarea.h> | |
0de23977 | 73 | #include <drm/drm_vma_manager.h> |
1da177e4 | 74 | |
62968144 DA |
75 | #include <linux/idr.h> |
76 | ||
1da177e4 | 77 | #define __OS_HAS_AGP (defined(CONFIG_AGP) || (defined(CONFIG_AGP_MODULE) && defined(MODULE))) |
1da177e4 | 78 | |
de477254 PG |
79 | struct module; |
80 | ||
c153f45f EA |
81 | struct drm_file; |
82 | struct drm_device; | |
83 | ||
edb37a95 | 84 | struct device_node; |
ebc64e45 ST |
85 | struct videomode; |
86 | ||
a1ce3928 DH |
87 | #include <drm/drm_os_linux.h> |
88 | #include <drm/drm_hashtab.h> | |
89 | #include <drm/drm_mm.h> | |
1da177e4 | 90 | |
87fdff81 | 91 | /* |
1414b76c LD |
92 | * 4 debug categories are defined: |
93 | * | |
94 | * CORE: Used in the generic drm code: drm_ioctl.c, drm_mm.c, drm_memory.c, ... | |
95 | * This is the category used by the DRM_DEBUG() macro. | |
96 | * | |
97 | * DRIVER: Used in the vendor specific part of the driver: i915, radeon, ... | |
98 | * This is the category used by the DRM_DEBUG_DRIVER() macro. | |
87fdff81 | 99 | * |
1414b76c LD |
100 | * KMS: used in the modesetting code. |
101 | * This is the category used by the DRM_DEBUG_KMS() macro. | |
87fdff81 | 102 | * |
1414b76c LD |
103 | * PRIME: used in the prime code. |
104 | * This is the category used by the DRM_DEBUG_PRIME() macro. | |
87fdff81 | 105 | * |
1414b76c LD |
106 | * Enabling verbose debug messages is done through the drm.debug parameter, |
107 | * each category being enabled by a bit. | |
108 | * | |
109 | * drm.debug=0x1 will enable CORE messages | |
110 | * drm.debug=0x2 will enable DRIVER messages | |
111 | * drm.debug=0x3 will enable CORE and DRIVER messages | |
112 | * ... | |
113 | * drm.debug=0xf will enable all messages | |
114 | * | |
115 | * An interesting feature is that it's possible to enable verbose logging at | |
116 | * run-time by echoing the debug value in its sysfs node: | |
117 | * # echo 0xf > /sys/module/drm/parameters/debug | |
87fdff81 | 118 | */ |
1414b76c LD |
119 | #define DRM_UT_CORE 0x01 |
120 | #define DRM_UT_DRIVER 0x02 | |
121 | #define DRM_UT_KMS 0x04 | |
122 | #define DRM_UT_PRIME 0x08 | |
4fefcb27 | 123 | |
1287aa90 LD |
124 | extern __printf(2, 3) |
125 | void drm_ut_debug_printk(const char *function_name, | |
b9075fa9 JP |
126 | const char *format, ...); |
127 | extern __printf(2, 3) | |
5ad3d883 JP |
128 | int drm_err(const char *func, const char *format, ...); |
129 | ||
1da177e4 LT |
130 | /***********************************************************************/ |
131 | /** \name DRM template customization defaults */ | |
132 | /*@{*/ | |
133 | ||
134 | /* driver capabilities and requirements mask */ | |
135 | #define DRIVER_USE_AGP 0x1 | |
1da177e4 LT |
136 | #define DRIVER_PCI_DMA 0x8 |
137 | #define DRIVER_SG 0x10 | |
138 | #define DRIVER_HAVE_DMA 0x20 | |
139 | #define DRIVER_HAVE_IRQ 0x40 | |
140 | #define DRIVER_IRQ_SHARED 0x80 | |
673a394b | 141 | #define DRIVER_GEM 0x1000 |
f453ba04 | 142 | #define DRIVER_MODESET 0x2000 |
3248877e | 143 | #define DRIVER_PRIME 0x4000 |
1793126f | 144 | #define DRIVER_RENDER 0x8000 |
8410ea3b | 145 | |
1da177e4 LT |
146 | /***********************************************************************/ |
147 | /** \name Begin the DRM... */ | |
148 | /*@{*/ | |
149 | ||
150 | #define DRM_DEBUG_CODE 2 /**< Include debugging code if > 1, then | |
151 | also include looping detection. */ | |
152 | ||
8669cbc5 | 153 | #define DRM_MAGIC_HASH_ORDER 4 /**< Size of key hash table. Must be power of 2. */ |
1da177e4 LT |
154 | #define DRM_KERNEL_CONTEXT 0 /**< Change drm_resctx if changed */ |
155 | #define DRM_RESERVED_CONTEXTS 1 /**< Change drm_resctx if changed */ | |
1da177e4 | 156 | |
8d153f71 | 157 | #define DRM_MAP_HASH_OFFSET 0x10000000 |
1da177e4 | 158 | |
b5e89ed5 | 159 | /*@}*/ |
1da177e4 | 160 | |
1da177e4 LT |
161 | /***********************************************************************/ |
162 | /** \name Macros to make printk easier */ | |
163 | /*@{*/ | |
164 | ||
165 | /** | |
166 | * Error output. | |
167 | * | |
168 | * \param fmt printf() like format string. | |
169 | * \param arg arguments | |
170 | */ | |
5ad3d883 JP |
171 | #define DRM_ERROR(fmt, ...) \ |
172 | drm_err(__func__, fmt, ##__VA_ARGS__) | |
1da177e4 | 173 | |
5d13d425 RC |
174 | /** |
175 | * Rate limited error output. Like DRM_ERROR() but won't flood the log. | |
176 | * | |
177 | * \param fmt printf() like format string. | |
178 | * \param arg arguments | |
179 | */ | |
180 | #define DRM_ERROR_RATELIMITED(fmt, ...) \ | |
181 | ({ \ | |
182 | static DEFINE_RATELIMIT_STATE(_rs, \ | |
183 | DEFAULT_RATELIMIT_INTERVAL, \ | |
184 | DEFAULT_RATELIMIT_BURST); \ | |
185 | \ | |
186 | if (__ratelimit(&_rs)) \ | |
187 | drm_err(__func__, fmt, ##__VA_ARGS__); \ | |
188 | }) | |
189 | ||
5ad3d883 JP |
190 | #define DRM_INFO(fmt, ...) \ |
191 | printk(KERN_INFO "[" DRM_NAME "] " fmt, ##__VA_ARGS__) | |
1da177e4 | 192 | |
48b8f631 JN |
193 | #define DRM_INFO_ONCE(fmt, ...) \ |
194 | printk_once(KERN_INFO "[" DRM_NAME "] " fmt, ##__VA_ARGS__) | |
195 | ||
1da177e4 LT |
196 | /** |
197 | * Debug output. | |
b5e89ed5 | 198 | * |
1da177e4 LT |
199 | * \param fmt printf() like format string. |
200 | * \param arg arguments | |
201 | */ | |
202 | #if DRM_DEBUG_CODE | |
4fefcb27 | 203 | #define DRM_DEBUG(fmt, args...) \ |
1da177e4 | 204 | do { \ |
a73d4e91 | 205 | if (unlikely(drm_debug & DRM_UT_CORE)) \ |
1287aa90 | 206 | drm_ut_debug_printk(__func__, fmt, ##args); \ |
4fefcb27 | 207 | } while (0) |
208 | ||
8a4c47f3 | 209 | #define DRM_DEBUG_DRIVER(fmt, args...) \ |
4fefcb27 | 210 | do { \ |
a73d4e91 | 211 | if (unlikely(drm_debug & DRM_UT_DRIVER)) \ |
1287aa90 | 212 | drm_ut_debug_printk(__func__, fmt, ##args); \ |
4fefcb27 | 213 | } while (0) |
a73d4e91 | 214 | #define DRM_DEBUG_KMS(fmt, args...) \ |
4fefcb27 | 215 | do { \ |
a73d4e91 | 216 | if (unlikely(drm_debug & DRM_UT_KMS)) \ |
1287aa90 | 217 | drm_ut_debug_printk(__func__, fmt, ##args); \ |
4fefcb27 | 218 | } while (0) |
3248877e DA |
219 | #define DRM_DEBUG_PRIME(fmt, args...) \ |
220 | do { \ | |
a73d4e91 | 221 | if (unlikely(drm_debug & DRM_UT_PRIME)) \ |
1287aa90 | 222 | drm_ut_debug_printk(__func__, fmt, ##args); \ |
1da177e4 LT |
223 | } while (0) |
224 | #else | |
8a4c47f3 ZY |
225 | #define DRM_DEBUG_DRIVER(fmt, args...) do { } while (0) |
226 | #define DRM_DEBUG_KMS(fmt, args...) do { } while (0) | |
3248877e | 227 | #define DRM_DEBUG_PRIME(fmt, args...) do { } while (0) |
1da177e4 LT |
228 | #define DRM_DEBUG(fmt, arg...) do { } while (0) |
229 | #endif | |
230 | ||
1da177e4 LT |
231 | /*@}*/ |
232 | ||
1da177e4 LT |
233 | /***********************************************************************/ |
234 | /** \name Internal types and structures */ | |
235 | /*@{*/ | |
236 | ||
1da177e4 | 237 | #define DRM_IF_VERSION(maj, min) (maj << 16 | min) |
1da177e4 LT |
238 | |
239 | /** | |
240 | * Test that the hardware lock is held by the caller, returning otherwise. | |
241 | * | |
242 | * \param dev DRM device. | |
243 | * \param filp file pointer of the caller. | |
244 | */ | |
dcae3626 RK |
245 | #define LOCK_TEST_WITH_RETURN( dev, _file_priv ) \ |
246 | do { \ | |
247 | if (!_DRM_LOCK_IS_HELD(_file_priv->master->lock.hw_lock->lock) || \ | |
248 | _file_priv->master->lock.file_priv != _file_priv) { \ | |
c153f45f | 249 | DRM_ERROR( "%s called without lock held, held %d owner %p %p\n",\ |
dcae3626 RK |
250 | __func__, _DRM_LOCK_IS_HELD(_file_priv->master->lock.hw_lock->lock),\ |
251 | _file_priv->master->lock.file_priv, _file_priv); \ | |
252 | return -EINVAL; \ | |
253 | } \ | |
1da177e4 LT |
254 | } while (0) |
255 | ||
1da177e4 LT |
256 | /** |
257 | * Ioctl function type. | |
258 | * | |
259 | * \param inode device inode. | |
6c340eac | 260 | * \param file_priv DRM file private pointer. |
1da177e4 LT |
261 | * \param cmd command. |
262 | * \param arg argument. | |
263 | */ | |
c153f45f EA |
264 | typedef int drm_ioctl_t(struct drm_device *dev, void *data, |
265 | struct drm_file *file_priv); | |
1da177e4 | 266 | |
9a186645 DA |
267 | typedef int drm_ioctl_compat_t(struct file *filp, unsigned int cmd, |
268 | unsigned long arg); | |
269 | ||
1a95916f KH |
270 | #define DRM_IOCTL_NR(n) _IOC_NR(n) |
271 | #define DRM_MAJOR 226 | |
272 | ||
a7a2cc31 DA |
273 | #define DRM_AUTH 0x1 |
274 | #define DRM_MASTER 0x2 | |
275 | #define DRM_ROOT_ONLY 0x4 | |
f453ba04 | 276 | #define DRM_CONTROL_ALLOW 0x8 |
ed8b6704 | 277 | #define DRM_UNLOCKED 0x10 |
1793126f | 278 | #define DRM_RENDER_ALLOW 0x20 |
a7a2cc31 | 279 | |
c153f45f EA |
280 | struct drm_ioctl_desc { |
281 | unsigned int cmd; | |
a7a2cc31 | 282 | int flags; |
c972d750 | 283 | drm_ioctl_t *func; |
1b2f1489 | 284 | unsigned int cmd_drv; |
b9434d0f | 285 | const char *name; |
c153f45f EA |
286 | }; |
287 | ||
288 | /** | |
289 | * Creates a driver or general drm_ioctl_desc array entry for the given | |
290 | * ioctl, for use by drm_ioctl(). | |
291 | */ | |
1b2f1489 DA |
292 | |
293 | #define DRM_IOCTL_DEF_DRV(ioctl, _func, _flags) \ | |
b9434d0f | 294 | [DRM_IOCTL_NR(DRM_##ioctl)] = {.cmd = DRM_##ioctl, .func = _func, .flags = _flags, .cmd_drv = DRM_IOCTL_##ioctl, .name = #ioctl} |
1da177e4 | 295 | |
8fc2fdf4 | 296 | struct drm_magic_entry { |
8669cbc5 | 297 | struct list_head head; |
e0be428e | 298 | struct drm_hash_item hash_item; |
b5e89ed5 | 299 | struct drm_file *priv; |
8fc2fdf4 | 300 | }; |
1da177e4 | 301 | |
8fc2fdf4 | 302 | struct drm_vma_entry { |
bd1b331f | 303 | struct list_head head; |
1da177e4 | 304 | struct vm_area_struct *vma; |
b5e89ed5 | 305 | pid_t pid; |
8fc2fdf4 | 306 | }; |
1da177e4 LT |
307 | |
308 | /** | |
309 | * DMA buffer. | |
310 | */ | |
056219e2 | 311 | struct drm_buf { |
b5e89ed5 DA |
312 | int idx; /**< Index into master buflist */ |
313 | int total; /**< Buffer size */ | |
314 | int order; /**< log-base-2(total) */ | |
315 | int used; /**< Amount of buffer in use (for DMA) */ | |
316 | unsigned long offset; /**< Byte offset (used internally) */ | |
317 | void *address; /**< Address of buffer */ | |
318 | unsigned long bus_address; /**< Bus address of buffer */ | |
319 | struct drm_buf *next; /**< Kernel-only: used for free list */ | |
320 | __volatile__ int waiting; /**< On kernel DMA queue */ | |
321 | __volatile__ int pending; /**< On hardware DMA queue */ | |
6c340eac | 322 | struct drm_file *file_priv; /**< Private of holding file descr */ |
b5e89ed5 DA |
323 | int context; /**< Kernel queue for this buffer */ |
324 | int while_locked; /**< Dispatch this buffer while locked */ | |
1da177e4 | 325 | enum { |
b5e89ed5 DA |
326 | DRM_LIST_NONE = 0, |
327 | DRM_LIST_FREE = 1, | |
328 | DRM_LIST_WAIT = 2, | |
329 | DRM_LIST_PEND = 3, | |
330 | DRM_LIST_PRIO = 4, | |
1da177e4 | 331 | DRM_LIST_RECLAIM = 5 |
b5e89ed5 | 332 | } list; /**< Which list we're on */ |
1da177e4 | 333 | |
b5e89ed5 DA |
334 | int dev_priv_size; /**< Size of buffer private storage */ |
335 | void *dev_private; /**< Per-buffer private storage */ | |
056219e2 | 336 | }; |
1da177e4 | 337 | |
1da177e4 | 338 | /** bufs is one longer than it has to be */ |
cdd55a29 | 339 | struct drm_waitlist { |
b5e89ed5 | 340 | int count; /**< Number of possible buffers */ |
056219e2 DA |
341 | struct drm_buf **bufs; /**< List of pointers to buffers */ |
342 | struct drm_buf **rp; /**< Read pointer */ | |
343 | struct drm_buf **wp; /**< Write pointer */ | |
344 | struct drm_buf **end; /**< End pointer */ | |
b5e89ed5 DA |
345 | spinlock_t read_lock; |
346 | spinlock_t write_lock; | |
cdd55a29 | 347 | }; |
1da177e4 | 348 | |
cdd55a29 | 349 | struct drm_freelist { |
b5e89ed5 DA |
350 | int initialized; /**< Freelist in use */ |
351 | atomic_t count; /**< Number of free buffers */ | |
056219e2 | 352 | struct drm_buf *next; /**< End pointer */ |
1da177e4 LT |
353 | |
354 | wait_queue_head_t waiting; /**< Processes waiting on free bufs */ | |
b5e89ed5 DA |
355 | int low_mark; /**< Low water mark */ |
356 | int high_mark; /**< High water mark */ | |
357 | atomic_t wfh; /**< If waiting for high mark */ | |
358 | spinlock_t lock; | |
cdd55a29 | 359 | }; |
1da177e4 | 360 | |
ddf19b97 DA |
361 | typedef struct drm_dma_handle { |
362 | dma_addr_t busaddr; | |
363 | void *vaddr; | |
364 | size_t size; | |
365 | } drm_dma_handle_t; | |
366 | ||
1da177e4 LT |
367 | /** |
368 | * Buffer entry. There is one of this for each buffer size order. | |
369 | */ | |
cdd55a29 | 370 | struct drm_buf_entry { |
b5e89ed5 DA |
371 | int buf_size; /**< size */ |
372 | int buf_count; /**< number of buffers */ | |
056219e2 | 373 | struct drm_buf *buflist; /**< buffer list */ |
b5e89ed5 DA |
374 | int seg_count; |
375 | int page_order; | |
cdd55a29 | 376 | struct drm_dma_handle **seglist; |
b5e89ed5 | 377 | |
cdd55a29 DA |
378 | struct drm_freelist freelist; |
379 | }; | |
1da177e4 | 380 | |
c9a9c5e0 KH |
381 | /* Event queued up for userspace to read */ |
382 | struct drm_pending_event { | |
383 | struct drm_event *event; | |
384 | struct list_head link; | |
385 | struct drm_file *file_priv; | |
b9c2c9ae JB |
386 | pid_t pid; /* pid of requester, no guarantee it's valid by the time |
387 | we deliver the event, for tracing only */ | |
c9a9c5e0 KH |
388 | void (*destroy)(struct drm_pending_event *event); |
389 | }; | |
390 | ||
3248877e DA |
391 | /* initial implementaton using a linked list - todo hashtab */ |
392 | struct drm_prime_file_private { | |
393 | struct list_head head; | |
394 | struct mutex lock; | |
395 | }; | |
396 | ||
1da177e4 | 397 | /** File private data */ |
84b1fd10 | 398 | struct drm_file { |
39868bd7 CW |
399 | unsigned always_authenticated :1; |
400 | unsigned authenticated :1; | |
c996fd0b TH |
401 | /* Whether we're master for a minor. Protected by master_mutex */ |
402 | unsigned is_master :1; | |
39868bd7 CW |
403 | /* true when the client has asked us to expose stereo 3D mode flags */ |
404 | unsigned stereo_allowed :1; | |
681e7ec7 MR |
405 | /* |
406 | * true if client understands CRTC primary planes and cursor planes | |
407 | * in the plane list | |
408 | */ | |
409 | unsigned universal_planes:1; | |
39868bd7 | 410 | |
5fce5e0b EB |
411 | struct pid *pid; |
412 | kuid_t uid; | |
b5e89ed5 | 413 | drm_magic_t magic; |
bd1b331f | 414 | struct list_head lhead; |
2c14f28b | 415 | struct drm_minor *minor; |
b5e89ed5 | 416 | unsigned long lock_count; |
7c1c2871 | 417 | |
673a394b EA |
418 | /** Mapping of mm object handles to object pointers. */ |
419 | struct idr object_idr; | |
420 | /** Lock for synchronization of access to object_idr. */ | |
421 | spinlock_t table_lock; | |
7c1c2871 | 422 | |
6c340eac | 423 | struct file *filp; |
8562b3f2 | 424 | void *driver_priv; |
7c1c2871 | 425 | |
7c1c2871 DA |
426 | struct drm_master *master; /* master this node is currently associated with |
427 | N.B. not always minor->master */ | |
4b096ac1 DV |
428 | /** |
429 | * fbs - List of framebuffers associated with this file. | |
430 | * | |
431 | * Protected by fbs_lock. Note that the fbs list holds a reference on | |
432 | * the fb object to prevent it from untimely disappearing. | |
433 | */ | |
f453ba04 | 434 | struct list_head fbs; |
4b096ac1 | 435 | struct mutex fbs_lock; |
c9a9c5e0 KH |
436 | |
437 | wait_queue_head_t event_wait; | |
438 | struct list_head event_list; | |
439 | int event_space; | |
3248877e DA |
440 | |
441 | struct drm_prime_file_private prime; | |
84b1fd10 | 442 | }; |
1da177e4 LT |
443 | |
444 | /** Wait queue */ | |
cdd55a29 | 445 | struct drm_queue { |
b5e89ed5 DA |
446 | atomic_t use_count; /**< Outstanding uses (+1) */ |
447 | atomic_t finalization; /**< Finalization in progress */ | |
448 | atomic_t block_count; /**< Count of processes waiting */ | |
449 | atomic_t block_read; /**< Queue blocked for reads */ | |
1da177e4 | 450 | wait_queue_head_t read_queue; /**< Processes waiting on block_read */ |
b5e89ed5 | 451 | atomic_t block_write; /**< Queue blocked for writes */ |
1da177e4 | 452 | wait_queue_head_t write_queue; /**< Processes waiting on block_write */ |
b5e89ed5 DA |
453 | atomic_t total_queued; /**< Total queued statistic */ |
454 | atomic_t total_flushed; /**< Total flushes statistic */ | |
455 | atomic_t total_locks; /**< Total locks statistics */ | |
c60ce623 | 456 | enum drm_ctx_flags flags; /**< Context preserving and 2D-only */ |
cdd55a29 | 457 | struct drm_waitlist waitlist; /**< Pending buffers */ |
1da177e4 | 458 | wait_queue_head_t flush_queue; /**< Processes waiting until flush */ |
cdd55a29 | 459 | }; |
1da177e4 LT |
460 | |
461 | /** | |
462 | * Lock data. | |
463 | */ | |
55910517 | 464 | struct drm_lock_data { |
c60ce623 | 465 | struct drm_hw_lock *hw_lock; /**< Hardware lock */ |
8562b3f2 DA |
466 | /** Private of lock holder's file (NULL=kernel) */ |
467 | struct drm_file *file_priv; | |
1da177e4 | 468 | wait_queue_head_t lock_queue; /**< Queue of blocked processes */ |
b5e89ed5 | 469 | unsigned long lock_time; /**< Time of last lock in jiffies */ |
040ac320 TH |
470 | spinlock_t spinlock; |
471 | uint32_t kernel_waiters; | |
472 | uint32_t user_waiters; | |
473 | int idle_has_lock; | |
55910517 | 474 | }; |
1da177e4 LT |
475 | |
476 | /** | |
477 | * DMA data. | |
478 | */ | |
cdd55a29 | 479 | struct drm_device_dma { |
1da177e4 | 480 | |
cdd55a29 | 481 | struct drm_buf_entry bufs[DRM_MAX_ORDER + 1]; /**< buffers, grouped by their size order */ |
b5e89ed5 | 482 | int buf_count; /**< total number of buffers */ |
056219e2 | 483 | struct drm_buf **buflist; /**< Vector of pointers into drm_device_dma::bufs */ |
b5e89ed5 DA |
484 | int seg_count; |
485 | int page_count; /**< number of pages */ | |
486 | unsigned long *pagelist; /**< page list */ | |
487 | unsigned long byte_count; | |
1da177e4 LT |
488 | enum { |
489 | _DRM_DMA_USE_AGP = 0x01, | |
b5e89ed5 | 490 | _DRM_DMA_USE_SG = 0x02, |
3417f33e GS |
491 | _DRM_DMA_USE_FB = 0x04, |
492 | _DRM_DMA_USE_PCI_RO = 0x08 | |
1da177e4 LT |
493 | } flags; |
494 | ||
cdd55a29 | 495 | }; |
1da177e4 | 496 | |
b5e89ed5 | 497 | /** |
1da177e4 LT |
498 | * AGP memory entry. Stored as a doubly linked list. |
499 | */ | |
55910517 | 500 | struct drm_agp_mem { |
b5e89ed5 | 501 | unsigned long handle; /**< handle */ |
d2e546b8 | 502 | struct agp_memory *memory; |
b5e89ed5 DA |
503 | unsigned long bound; /**< address */ |
504 | int pages; | |
bd1b331f | 505 | struct list_head head; |
55910517 | 506 | }; |
1da177e4 LT |
507 | |
508 | /** | |
509 | * AGP data. | |
510 | * | |
511 | * \sa drm_agp_init() and drm_device::agp. | |
512 | */ | |
55910517 | 513 | struct drm_agp_head { |
d2e546b8 | 514 | struct agp_kern_info agp_info; /**< AGP device information */ |
bd1b331f | 515 | struct list_head memory; |
b5e89ed5 DA |
516 | unsigned long mode; /**< AGP mode */ |
517 | struct agp_bridge_data *bridge; | |
518 | int enabled; /**< whether the AGP bus as been enabled */ | |
519 | int acquired; /**< whether the AGP device has been acquired */ | |
520 | unsigned long base; | |
521 | int agp_mtrr; | |
522 | int cant_use_aperture; | |
523 | unsigned long page_mask; | |
55910517 | 524 | }; |
1da177e4 LT |
525 | |
526 | /** | |
527 | * Scatter-gather memory. | |
528 | */ | |
55910517 | 529 | struct drm_sg_mem { |
b5e89ed5 DA |
530 | unsigned long handle; |
531 | void *virtual; | |
532 | int pages; | |
533 | struct page **pagelist; | |
534 | dma_addr_t *busaddr; | |
55910517 | 535 | }; |
1da177e4 | 536 | |
55910517 | 537 | struct drm_sigdata { |
b5e89ed5 | 538 | int context; |
c60ce623 | 539 | struct drm_hw_lock *lock; |
55910517 | 540 | }; |
1da177e4 | 541 | |
8562b3f2 | 542 | |
f77d390c BH |
543 | /** |
544 | * Kernel side of a mapping | |
545 | */ | |
546 | struct drm_local_map { | |
41c2e75e | 547 | resource_size_t offset; /**< Requested physical address (0 for SAREA)*/ |
f77d390c BH |
548 | unsigned long size; /**< Requested physical size (bytes) */ |
549 | enum drm_map_type type; /**< Type of memory to map */ | |
550 | enum drm_map_flags flags; /**< Flags */ | |
551 | void *handle; /**< User-space: "Handle" to pass to mmap() */ | |
552 | /**< Kernel-space: kernel-virtual address */ | |
553 | int mtrr; /**< MTRR slot used */ | |
554 | }; | |
555 | ||
556 | typedef struct drm_local_map drm_local_map_t; | |
557 | ||
1da177e4 LT |
558 | /** |
559 | * Mappings list | |
560 | */ | |
55910517 | 561 | struct drm_map_list { |
b5e89ed5 | 562 | struct list_head head; /**< list head */ |
e0be428e | 563 | struct drm_hash_item hash; |
f77d390c | 564 | struct drm_local_map *map; /**< mapping */ |
8562b3f2 | 565 | uint64_t user_token; |
7c1c2871 | 566 | struct drm_master *master; |
55910517 | 567 | }; |
1da177e4 | 568 | |
1da177e4 LT |
569 | /** |
570 | * Context handle list | |
571 | */ | |
55910517 | 572 | struct drm_ctx_list { |
b5e89ed5 DA |
573 | struct list_head head; /**< list head */ |
574 | drm_context_t handle; /**< context handle */ | |
84b1fd10 | 575 | struct drm_file *tag; /**< associated fd private data */ |
55910517 | 576 | }; |
1da177e4 | 577 | |
ea98a92f DA |
578 | /* location of GART table */ |
579 | #define DRM_ATI_GART_MAIN 1 | |
580 | #define DRM_ATI_GART_FB 2 | |
581 | ||
f2b04cd2 DA |
582 | #define DRM_ATI_GART_PCI 1 |
583 | #define DRM_ATI_GART_PCIE 2 | |
584 | #define DRM_ATI_GART_IGP 3 | |
585 | ||
55910517 | 586 | struct drm_ati_pcigart_info { |
ea98a92f | 587 | int gart_table_location; |
f2b04cd2 | 588 | int gart_reg_if; |
f26c473c | 589 | void *addr; |
ea98a92f | 590 | dma_addr_t bus_addr; |
b05c2385 DA |
591 | dma_addr_t table_mask; |
592 | struct drm_dma_handle *table_handle; | |
f77d390c | 593 | struct drm_local_map mapping; |
f2b04cd2 | 594 | int table_size; |
55910517 | 595 | }; |
ea98a92f | 596 | |
673a394b EA |
597 | /** |
598 | * This structure defines the drm_mm memory object, which will be used by the | |
599 | * DRM for its buffer objects. | |
600 | */ | |
601 | struct drm_gem_object { | |
602 | /** Reference count of this object */ | |
603 | struct kref refcount; | |
604 | ||
a8e11d1c DV |
605 | /** |
606 | * handle_count - gem file_priv handle count of this object | |
607 | * | |
608 | * Each handle also holds a reference. Note that when the handle_count | |
609 | * drops to 0 any global names (e.g. the id in the flink namespace) will | |
610 | * be cleared. | |
611 | * | |
612 | * Protected by dev->object_name_lock. | |
613 | * */ | |
614 | unsigned handle_count; | |
673a394b EA |
615 | |
616 | /** Related drm device */ | |
617 | struct drm_device *dev; | |
618 | ||
619 | /** File representing the shmem storage */ | |
620 | struct file *filp; | |
621 | ||
a2c0a97b | 622 | /* Mapping info for this object */ |
0de23977 | 623 | struct drm_vma_offset_node vma_node; |
a2c0a97b | 624 | |
673a394b EA |
625 | /** |
626 | * Size of the object, in bytes. Immutable over the object's | |
627 | * lifetime. | |
628 | */ | |
629 | size_t size; | |
630 | ||
631 | /** | |
632 | * Global name for this object, starts at 1. 0 means unnamed. | |
633 | * Access is covered by the object_name_lock in the related drm_device | |
634 | */ | |
635 | int name; | |
636 | ||
637 | /** | |
638 | * Memory domains. These monitor which caches contain read/write data | |
639 | * related to the object. When transitioning from one set of domains | |
640 | * to another, the driver is called to ensure that caches are suitably | |
641 | * flushed and invalidated | |
642 | */ | |
643 | uint32_t read_domains; | |
644 | uint32_t write_domain; | |
645 | ||
646 | /** | |
647 | * While validating an exec operation, the | |
648 | * new read/write domain values are computed here. | |
649 | * They will be transferred to the above values | |
650 | * at the point that any cache flushing occurs | |
651 | */ | |
652 | uint32_t pending_read_domains; | |
653 | uint32_t pending_write_domain; | |
654 | ||
319c933c DV |
655 | /** |
656 | * dma_buf - dma buf associated with this GEM object | |
657 | * | |
658 | * Pointer to the dma-buf associated with this gem object (either | |
659 | * through importing or exporting). We break the resulting reference | |
660 | * loop when the last gem handle for this object is released. | |
661 | * | |
662 | * Protected by obj->object_name_lock | |
663 | */ | |
664 | struct dma_buf *dma_buf; | |
3248877e | 665 | |
7106bf96 DV |
666 | /** |
667 | * import_attach - dma buf attachment backing this object | |
668 | * | |
669 | * Any foreign dma_buf imported as a gem object has this set to the | |
670 | * attachment point for the device. This is invariant over the lifetime | |
671 | * of a gem object. | |
672 | * | |
673 | * The driver's ->gem_free_object callback is responsible for cleaning | |
674 | * up the dma_buf attachment and references acquired at import time. | |
838cd445 DV |
675 | * |
676 | * Note that the drm gem/prime core does not depend upon drivers setting | |
677 | * this field any more. So for drivers where this doesn't make sense | |
678 | * (e.g. virtual devices or a displaylink behind an usb bus) they can | |
679 | * simply leave it as NULL. | |
7106bf96 | 680 | */ |
3248877e | 681 | struct dma_buf_attachment *import_attach; |
673a394b EA |
682 | }; |
683 | ||
a1ce3928 | 684 | #include <drm/drm_crtc.h> |
f453ba04 | 685 | |
c996fd0b TH |
686 | /** |
687 | * struct drm_master - drm master structure | |
688 | * | |
689 | * @refcount: Refcount for this master object. | |
690 | * @minor: Link back to minor char device we are master for. Immutable. | |
691 | * @unique: Unique identifier: e.g. busid. Protected by drm_global_mutex. | |
692 | * @unique_len: Length of unique field. Protected by drm_global_mutex. | |
693 | * @unique_size: Amount allocated. Protected by drm_global_mutex. | |
694 | * @magiclist: Hash of used authentication tokens. Protected by struct_mutex. | |
695 | * @magicfree: List of used authentication tokens. Protected by struct_mutex. | |
696 | * @lock: DRI lock information. | |
697 | * @driver_priv: Pointer to driver-private information. | |
698 | */ | |
7c1c2871 | 699 | struct drm_master { |
c996fd0b TH |
700 | struct kref refcount; |
701 | struct drm_minor *minor; | |
702 | char *unique; | |
703 | int unique_len; | |
704 | int unique_size; | |
7c1c2871 DA |
705 | struct drm_open_hash magiclist; |
706 | struct list_head magicfree; | |
c996fd0b TH |
707 | struct drm_lock_data lock; |
708 | void *driver_priv; | |
7c1c2871 DA |
709 | }; |
710 | ||
27641c3f MK |
711 | /* Size of ringbuffer for vblank timestamps. Just double-buffer |
712 | * in initial implementation. | |
713 | */ | |
714 | #define DRM_VBLANKTIME_RBSIZE 2 | |
715 | ||
716 | /* Flags and return codes for get_vblank_timestamp() driver function. */ | |
717 | #define DRM_CALLED_FROM_VBLIRQ 1 | |
718 | #define DRM_VBLANKTIME_SCANOUTPOS_METHOD (1 << 0) | |
719 | #define DRM_VBLANKTIME_INVBL (1 << 1) | |
720 | ||
721 | /* get_scanout_position() return flags */ | |
722 | #define DRM_SCANOUTPOS_VALID (1 << 0) | |
723 | #define DRM_SCANOUTPOS_INVBL (1 << 1) | |
724 | #define DRM_SCANOUTPOS_ACCURATE (1 << 2) | |
725 | ||
8410ea3b | 726 | struct drm_bus { |
8410ea3b | 727 | int (*set_busid)(struct drm_device *dev, struct drm_master *master); |
8410ea3b DA |
728 | }; |
729 | ||
1da177e4 LT |
730 | /** |
731 | * DRM driver structure. This structure represent the common code for | |
732 | * a family of cards. There will one drm_device for each card present | |
733 | * in this family | |
734 | */ | |
1da177e4 | 735 | struct drm_driver { |
22eae947 DA |
736 | int (*load) (struct drm_device *, unsigned long flags); |
737 | int (*firstopen) (struct drm_device *); | |
84b1fd10 | 738 | int (*open) (struct drm_device *, struct drm_file *); |
6c340eac | 739 | void (*preclose) (struct drm_device *, struct drm_file *file_priv); |
84b1fd10 | 740 | void (*postclose) (struct drm_device *, struct drm_file *); |
22eae947 DA |
741 | void (*lastclose) (struct drm_device *); |
742 | int (*unload) (struct drm_device *); | |
b932ccb5 | 743 | int (*suspend) (struct drm_device *, pm_message_t state); |
e8b962b6 | 744 | int (*resume) (struct drm_device *); |
c153f45f | 745 | int (*dma_ioctl) (struct drm_device *dev, void *data, struct drm_file *file_priv); |
b5e89ed5 | 746 | int (*dma_quiescent) (struct drm_device *); |
84b1fd10 | 747 | int (*context_dtor) (struct drm_device *dev, int context); |
b5e89ed5 | 748 | |
0a3e67a4 JB |
749 | /** |
750 | * get_vblank_counter - get raw hardware vblank counter | |
751 | * @dev: DRM device | |
752 | * @crtc: counter to fetch | |
753 | * | |
3b02ab88 LP |
754 | * Driver callback for fetching a raw hardware vblank counter for @crtc. |
755 | * If a device doesn't have a hardware counter, the driver can simply | |
756 | * return the value of drm_vblank_count. The DRM core will account for | |
757 | * missed vblank events while interrupts where disabled based on system | |
758 | * timestamps. | |
0a3e67a4 JB |
759 | * |
760 | * Wraparound handling and loss of events due to modesetting is dealt | |
761 | * with in the DRM core code. | |
762 | * | |
763 | * RETURNS | |
764 | * Raw vblank counter value. | |
765 | */ | |
766 | u32 (*get_vblank_counter) (struct drm_device *dev, int crtc); | |
767 | ||
768 | /** | |
769 | * enable_vblank - enable vblank interrupt events | |
770 | * @dev: DRM device | |
771 | * @crtc: which irq to enable | |
772 | * | |
773 | * Enable vblank interrupts for @crtc. If the device doesn't have | |
774 | * a hardware vblank counter, this routine should be a no-op, since | |
775 | * interrupts will have to stay on to keep the count accurate. | |
776 | * | |
777 | * RETURNS | |
778 | * Zero on success, appropriate errno if the given @crtc's vblank | |
779 | * interrupt cannot be enabled. | |
780 | */ | |
781 | int (*enable_vblank) (struct drm_device *dev, int crtc); | |
782 | ||
783 | /** | |
784 | * disable_vblank - disable vblank interrupt events | |
785 | * @dev: DRM device | |
786 | * @crtc: which irq to enable | |
787 | * | |
788 | * Disable vblank interrupts for @crtc. If the device doesn't have | |
789 | * a hardware vblank counter, this routine should be a no-op, since | |
790 | * interrupts will have to stay on to keep the count accurate. | |
791 | */ | |
792 | void (*disable_vblank) (struct drm_device *dev, int crtc); | |
793 | ||
cda17380 DA |
794 | /** |
795 | * Called by \c drm_device_is_agp. Typically used to determine if a | |
796 | * card is really attached to AGP or not. | |
797 | * | |
798 | * \param dev DRM device handle | |
799 | * | |
800 | * \returns | |
801 | * One of three values is returned depending on whether or not the | |
802 | * card is absolutely \b not AGP (return of 0), absolutely \b is AGP | |
803 | * (return of 1), or may or may not be AGP (return of 2). | |
804 | */ | |
84b1fd10 | 805 | int (*device_is_agp) (struct drm_device *dev); |
cda17380 | 806 | |
27641c3f MK |
807 | /** |
808 | * Called by vblank timestamping code. | |
809 | * | |
8f6fce03 MK |
810 | * Return the current display scanout position from a crtc, and an |
811 | * optional accurate ktime_get timestamp of when position was measured. | |
27641c3f MK |
812 | * |
813 | * \param dev DRM device. | |
814 | * \param crtc Id of the crtc to query. | |
abca9e45 | 815 | * \param flags Flags from the caller (DRM_CALLED_FROM_VBLIRQ or 0). |
27641c3f MK |
816 | * \param *vpos Target location for current vertical scanout position. |
817 | * \param *hpos Target location for current horizontal scanout position. | |
8f6fce03 MK |
818 | * \param *stime Target location for timestamp taken immediately before |
819 | * scanout position query. Can be NULL to skip timestamp. | |
820 | * \param *etime Target location for timestamp taken immediately after | |
821 | * scanout position query. Can be NULL to skip timestamp. | |
27641c3f MK |
822 | * |
823 | * Returns vpos as a positive number while in active scanout area. | |
824 | * Returns vpos as a negative number inside vblank, counting the number | |
825 | * of scanlines to go until end of vblank, e.g., -1 means "one scanline | |
826 | * until start of active scanout / end of vblank." | |
827 | * | |
828 | * \return Flags, or'ed together as follows: | |
829 | * | |
25985edc | 830 | * DRM_SCANOUTPOS_VALID = Query successful. |
27641c3f MK |
831 | * DRM_SCANOUTPOS_INVBL = Inside vblank. |
832 | * DRM_SCANOUTPOS_ACCURATE = Returned position is accurate. A lack of | |
833 | * this flag means that returned position may be offset by a constant | |
834 | * but unknown small number of scanlines wrt. real scanout position. | |
835 | * | |
836 | */ | |
837 | int (*get_scanout_position) (struct drm_device *dev, int crtc, | |
abca9e45 | 838 | unsigned int flags, |
8f6fce03 MK |
839 | int *vpos, int *hpos, ktime_t *stime, |
840 | ktime_t *etime); | |
27641c3f MK |
841 | |
842 | /** | |
843 | * Called by \c drm_get_last_vbltimestamp. Should return a precise | |
844 | * timestamp when the most recent VBLANK interval ended or will end. | |
845 | * | |
846 | * Specifically, the timestamp in @vblank_time should correspond as | |
847 | * closely as possible to the time when the first video scanline of | |
848 | * the video frame after the end of VBLANK will start scanning out, | |
42b2aa86 | 849 | * the time immediately after end of the VBLANK interval. If the |
27641c3f MK |
850 | * @crtc is currently inside VBLANK, this will be a time in the future. |
851 | * If the @crtc is currently scanning out a frame, this will be the | |
852 | * past start time of the current scanout. This is meant to adhere | |
853 | * to the OpenML OML_sync_control extension specification. | |
854 | * | |
855 | * \param dev dev DRM device handle. | |
856 | * \param crtc crtc for which timestamp should be returned. | |
857 | * \param *max_error Maximum allowable timestamp error in nanoseconds. | |
858 | * Implementation should strive to provide timestamp | |
859 | * with an error of at most *max_error nanoseconds. | |
860 | * Returns true upper bound on error for timestamp. | |
861 | * \param *vblank_time Target location for returned vblank timestamp. | |
862 | * \param flags 0 = Defaults, no special treatment needed. | |
863 | * \param DRM_CALLED_FROM_VBLIRQ = Function is called from vblank | |
864 | * irq handler. Some drivers need to apply some workarounds | |
865 | * for gpu-specific vblank irq quirks if flag is set. | |
866 | * | |
867 | * \returns | |
868 | * Zero if timestamping isn't supported in current display mode or a | |
869 | * negative number on failure. A positive status code on success, | |
870 | * which describes how the vblank_time timestamp was computed. | |
871 | */ | |
872 | int (*get_vblank_timestamp) (struct drm_device *dev, int crtc, | |
873 | int *max_error, | |
874 | struct timeval *vblank_time, | |
875 | unsigned flags); | |
876 | ||
1da177e4 | 877 | /* these have to be filled in */ |
b5e89ed5 | 878 | |
e9f0d76f | 879 | irqreturn_t(*irq_handler) (int irq, void *arg); |
84b1fd10 | 880 | void (*irq_preinstall) (struct drm_device *dev); |
0a3e67a4 | 881 | int (*irq_postinstall) (struct drm_device *dev); |
84b1fd10 | 882 | void (*irq_uninstall) (struct drm_device *dev); |
22eae947 | 883 | |
7c1c2871 DA |
884 | /* Master routines */ |
885 | int (*master_create)(struct drm_device *dev, struct drm_master *master); | |
886 | void (*master_destroy)(struct drm_device *dev, struct drm_master *master); | |
862302ff TH |
887 | /** |
888 | * master_set is called whenever the minor master is set. | |
889 | * master_drop is called whenever the minor master is dropped. | |
890 | */ | |
891 | ||
892 | int (*master_set)(struct drm_device *dev, struct drm_file *file_priv, | |
893 | bool from_open); | |
894 | void (*master_drop)(struct drm_device *dev, struct drm_file *file_priv, | |
895 | bool from_release); | |
7c1c2871 | 896 | |
955b12de BG |
897 | int (*debugfs_init)(struct drm_minor *minor); |
898 | void (*debugfs_cleanup)(struct drm_minor *minor); | |
673a394b EA |
899 | |
900 | /** | |
901 | * Driver-specific constructor for drm_gem_objects, to set up | |
902 | * obj->driver_private. | |
903 | * | |
904 | * Returns 0 on success. | |
905 | */ | |
673a394b | 906 | void (*gem_free_object) (struct drm_gem_object *obj); |
304eda32 BS |
907 | int (*gem_open_object) (struct drm_gem_object *, struct drm_file *); |
908 | void (*gem_close_object) (struct drm_gem_object *, struct drm_file *); | |
673a394b | 909 | |
3248877e DA |
910 | /* prime: */ |
911 | /* export handle -> fd (see drm_gem_prime_handle_to_fd() helper) */ | |
912 | int (*prime_handle_to_fd)(struct drm_device *dev, struct drm_file *file_priv, | |
913 | uint32_t handle, uint32_t flags, int *prime_fd); | |
914 | /* import fd -> handle (see drm_gem_prime_fd_to_handle() helper) */ | |
915 | int (*prime_fd_to_handle)(struct drm_device *dev, struct drm_file *file_priv, | |
916 | int prime_fd, uint32_t *handle); | |
917 | /* export GEM -> dmabuf */ | |
918 | struct dma_buf * (*gem_prime_export)(struct drm_device *dev, | |
919 | struct drm_gem_object *obj, int flags); | |
920 | /* import dmabuf -> GEM */ | |
921 | struct drm_gem_object * (*gem_prime_import)(struct drm_device *dev, | |
922 | struct dma_buf *dma_buf); | |
89177644 AP |
923 | /* low-level interface used by drm_gem_prime_{import,export} */ |
924 | int (*gem_prime_pin)(struct drm_gem_object *obj); | |
102d6dba | 925 | void (*gem_prime_unpin)(struct drm_gem_object *obj); |
89177644 AP |
926 | struct sg_table *(*gem_prime_get_sg_table)(struct drm_gem_object *obj); |
927 | struct drm_gem_object *(*gem_prime_import_sg_table)( | |
928 | struct drm_device *dev, size_t size, | |
929 | struct sg_table *sgt); | |
930 | void *(*gem_prime_vmap)(struct drm_gem_object *obj); | |
931 | void (*gem_prime_vunmap)(struct drm_gem_object *obj, void *vaddr); | |
7c397cd9 JS |
932 | int (*gem_prime_mmap)(struct drm_gem_object *obj, |
933 | struct vm_area_struct *vma); | |
3248877e | 934 | |
28d52043 DA |
935 | /* vga arb irq handler */ |
936 | void (*vgaarb_irq)(struct drm_device *dev, bool state); | |
937 | ||
ff72145b DA |
938 | /* dumb alloc support */ |
939 | int (*dumb_create)(struct drm_file *file_priv, | |
940 | struct drm_device *dev, | |
941 | struct drm_mode_create_dumb *args); | |
942 | int (*dumb_map_offset)(struct drm_file *file_priv, | |
943 | struct drm_device *dev, uint32_t handle, | |
944 | uint64_t *offset); | |
945 | int (*dumb_destroy)(struct drm_file *file_priv, | |
946 | struct drm_device *dev, | |
947 | uint32_t handle); | |
948 | ||
a2c0a97b | 949 | /* Driver private ops for this object */ |
78b68556 | 950 | const struct vm_operations_struct *gem_vm_ops; |
a2c0a97b | 951 | |
22eae947 DA |
952 | int major; |
953 | int minor; | |
954 | int patchlevel; | |
955 | char *name; | |
956 | char *desc; | |
957 | char *date; | |
958 | ||
1da177e4 LT |
959 | u32 driver_features; |
960 | int dev_priv_size; | |
baa70943 | 961 | const struct drm_ioctl_desc *ioctls; |
1da177e4 | 962 | int num_ioctls; |
e08e96de | 963 | const struct file_operations *fops; |
8410ea3b DA |
964 | struct drm_bus *bus; |
965 | ||
b3f2333d DV |
966 | /* List of devices hanging off this driver with stealth attach. */ |
967 | struct list_head legacy_dev_list; | |
1da177e4 LT |
968 | }; |
969 | ||
cb8a239b DH |
970 | enum drm_minor_type { |
971 | DRM_MINOR_LEGACY, | |
972 | DRM_MINOR_CONTROL, | |
973 | DRM_MINOR_RENDER, | |
974 | DRM_MINOR_CNT, | |
975 | }; | |
2c14f28b | 976 | |
955b12de BG |
977 | /** |
978 | * Info file list entry. This structure represents a debugfs or proc file to | |
979 | * be created by the drm core | |
980 | */ | |
981 | struct drm_info_list { | |
982 | const char *name; /** file name */ | |
983 | int (*show)(struct seq_file*, void*); /** show callback */ | |
984 | u32 driver_features; /**< Required driver features for this entry */ | |
985 | void *data; | |
986 | }; | |
987 | ||
988 | /** | |
989 | * debugfs node structure. This structure represents a debugfs file. | |
990 | */ | |
991 | struct drm_info_node { | |
992 | struct list_head list; | |
993 | struct drm_minor *minor; | |
ce089b54 | 994 | const struct drm_info_list *info_ent; |
955b12de BG |
995 | struct dentry *dent; |
996 | }; | |
997 | ||
1da177e4 | 998 | /** |
2c14f28b | 999 | * DRM minor structure. This structure represents a drm minor number. |
1da177e4 | 1000 | */ |
2c14f28b DA |
1001 | struct drm_minor { |
1002 | int index; /**< Minor device number */ | |
1003 | int type; /**< Control or render */ | |
5bdebb18 | 1004 | struct device *kdev; /**< Linux device */ |
1da177e4 | 1005 | struct drm_device *dev; |
955b12de | 1006 | |
955b12de | 1007 | struct dentry *debugfs_root; |
b3e067c0 MS |
1008 | |
1009 | struct list_head debugfs_list; | |
1010 | struct mutex debugfs_lock; /* Protects debugfs_list. */ | |
955b12de | 1011 | |
c996fd0b TH |
1012 | /* currently active master for this node. Protected by master_mutex */ |
1013 | struct drm_master *master; | |
f453ba04 | 1014 | struct drm_mode_group mode_group; |
84b1fd10 | 1015 | }; |
1da177e4 | 1016 | |
1794d257 | 1017 | |
c9a9c5e0 KH |
1018 | struct drm_pending_vblank_event { |
1019 | struct drm_pending_event base; | |
1020 | int pipe; | |
1021 | struct drm_event_vblank event; | |
1022 | }; | |
1023 | ||
5380e929 | 1024 | struct drm_vblank_crtc { |
e69595c2 | 1025 | struct drm_device *dev; /* pointer to the drm_device */ |
5380e929 VS |
1026 | wait_queue_head_t queue; /**< VBLANK wait queue */ |
1027 | struct timeval time[DRM_VBLANKTIME_RBSIZE]; /**< timestamp of current count */ | |
e69595c2 | 1028 | struct timer_list disable_timer; /* delayed disable timer */ |
5380e929 VS |
1029 | atomic_t count; /**< number of VBLANK interrupts */ |
1030 | atomic_t refcount; /* number of users of vblank interruptsper crtc */ | |
1031 | u32 last; /* protected by dev->vbl_lock, used */ | |
1032 | /* for wraparound handling */ | |
1033 | u32 last_wait; /* Last vblank seqno waited per CRTC */ | |
1034 | unsigned int inmodeset; /* Display driver is setting mode */ | |
e69595c2 | 1035 | int crtc; /* crtc index */ |
5380e929 VS |
1036 | bool enabled; /* so we don't call enable more than |
1037 | once per disable */ | |
1038 | }; | |
1039 | ||
1da177e4 LT |
1040 | /** |
1041 | * DRM device structure. This structure represent a complete card that | |
1042 | * may contain multiple heads. | |
1043 | */ | |
84b1fd10 | 1044 | struct drm_device { |
b3f2333d | 1045 | struct list_head legacy_dev_list;/**< list of devices per driver for stealth attach cleanup */ |
b5e89ed5 | 1046 | int if_version; /**< Highest interface version set */ |
1da177e4 | 1047 | |
45e212d2 DH |
1048 | /** \name Lifetime Management */ |
1049 | /*@{ */ | |
099d1c29 | 1050 | struct kref ref; /**< Object ref-count */ |
45e212d2 DH |
1051 | struct device *dev; /**< Device structure of bus-device */ |
1052 | struct drm_driver *driver; /**< DRM driver managing the device */ | |
1053 | void *dev_private; /**< DRM driver private data */ | |
45e212d2 DH |
1054 | struct drm_minor *control; /**< Control node */ |
1055 | struct drm_minor *primary; /**< Primary node */ | |
1056 | struct drm_minor *render; /**< Render node */ | |
1057 | atomic_t unplugged; /**< Flag whether dev is dead */ | |
07b48c3a | 1058 | struct inode *anon_inode; /**< inode for private address-space */ |
ca8e2ad7 | 1059 | char *unique; /**< unique name of the device */ |
45e212d2 DH |
1060 | /*@} */ |
1061 | ||
1da177e4 | 1062 | /** \name Locks */ |
b5e89ed5 | 1063 | /*@{ */ |
30e2fb18 | 1064 | struct mutex struct_mutex; /**< For others */ |
c996fd0b | 1065 | struct mutex master_mutex; /**< For drm_minor::master and drm_file::is_master */ |
b5e89ed5 | 1066 | /*@} */ |
1da177e4 LT |
1067 | |
1068 | /** \name Usage Counters */ | |
b5e89ed5 | 1069 | /*@{ */ |
fc8fd40e | 1070 | int open_count; /**< Outstanding files open, protected by drm_global_mutex. */ |
2177a218 | 1071 | spinlock_t buf_lock; /**< For drm_device::buf_use and a few other things. */ |
b5e89ed5 DA |
1072 | int buf_use; /**< Buffers in use -- cannot alloc */ |
1073 | atomic_t buf_alloc; /**< Buffer allocation in progress */ | |
1074 | /*@} */ | |
1da177e4 | 1075 | |
bd1b331f | 1076 | struct list_head filelist; |
1da177e4 LT |
1077 | |
1078 | /** \name Memory management */ | |
b5e89ed5 | 1079 | /*@{ */ |
bd1b331f | 1080 | struct list_head maplist; /**< Linked list of regions */ |
e0be428e | 1081 | struct drm_open_hash map_hash; /**< User token hash table for maps */ |
1da177e4 LT |
1082 | |
1083 | /** \name Context handle management */ | |
b5e89ed5 | 1084 | /*@{ */ |
bd1b331f | 1085 | struct list_head ctxlist; /**< Linked list of context handles */ |
30e2fb18 | 1086 | struct mutex ctxlist_mutex; /**< For ctxlist */ |
1da177e4 | 1087 | |
62968144 | 1088 | struct idr ctx_idr; |
1da177e4 | 1089 | |
bd1b331f | 1090 | struct list_head vmalist; /**< List of vmas (for debugging) */ |
f453ba04 | 1091 | |
b5e89ed5 | 1092 | /*@} */ |
1da177e4 | 1093 | |
a344a7e7 | 1094 | /** \name DMA support */ |
b5e89ed5 | 1095 | /*@{ */ |
cdd55a29 | 1096 | struct drm_device_dma *dma; /**< Optional pointer for DMA support */ |
b5e89ed5 | 1097 | /*@} */ |
1da177e4 LT |
1098 | |
1099 | /** \name Context support */ | |
b5e89ed5 | 1100 | /*@{ */ |
4423843c | 1101 | bool irq_enabled; /**< True if irq handler is enabled */ |
7c1a38e3 DV |
1102 | int irq; |
1103 | ||
1da177e4 | 1104 | __volatile__ long context_flag; /**< Context swapping flag */ |
b5e89ed5 | 1105 | int last_context; /**< Last current context */ |
b5e89ed5 DA |
1106 | /*@} */ |
1107 | ||
1da177e4 | 1108 | /** \name VBLANK IRQ support */ |
b5e89ed5 DA |
1109 | /*@{ */ |
1110 | ||
0a3e67a4 JB |
1111 | /* |
1112 | * At load time, disabling the vblank interrupt won't be allowed since | |
1113 | * old clients may not call the modeset ioctl and therefore misbehave. | |
1114 | * Once the modeset ioctl *has* been called though, we can safely | |
1115 | * disable them when unused. | |
1116 | */ | |
ba0bf120 | 1117 | bool vblank_disable_allowed; |
0a3e67a4 | 1118 | |
5380e929 VS |
1119 | /* array of size num_crtcs */ |
1120 | struct drm_vblank_crtc *vblank; | |
0a3e67a4 | 1121 | |
27641c3f | 1122 | spinlock_t vblank_time_lock; /**< Protects vblank count and time updates during vblank enable/disable */ |
b5e89ed5 | 1123 | spinlock_t vbl_lock; |
0a3e67a4 JB |
1124 | |
1125 | u32 max_vblank_count; /**< size of vblank counter register */ | |
b5e89ed5 | 1126 | |
c9a9c5e0 KH |
1127 | /** |
1128 | * List of events | |
1129 | */ | |
1130 | struct list_head vblank_event_list; | |
1131 | spinlock_t event_lock; | |
1132 | ||
b5e89ed5 | 1133 | /*@} */ |
b5e89ed5 | 1134 | |
55910517 | 1135 | struct drm_agp_head *agp; /**< AGP data */ |
1da177e4 | 1136 | |
b5e89ed5 | 1137 | struct pci_dev *pdev; /**< PCI device structure */ |
1da177e4 | 1138 | #ifdef __alpha__ |
1da177e4 | 1139 | struct pci_controller *hose; |
1da177e4 | 1140 | #endif |
dcdb1674 JC |
1141 | |
1142 | struct platform_device *platformdev; /**< Platform device struture */ | |
a250b9fd | 1143 | struct usb_device *usbdev; |
dcdb1674 | 1144 | |
55910517 | 1145 | struct drm_sg_mem *sg; /**< Scatter gather memory */ |
19227561 | 1146 | unsigned int num_crtcs; /**< Number of CRTCs on this device */ |
55910517 | 1147 | struct drm_sigdata sigdata; /**< For block_all_signals */ |
b5e89ed5 DA |
1148 | sigset_t sigmask; |
1149 | ||
f77d390c | 1150 | struct drm_local_map *agp_buffer_map; |
d1f2b55a | 1151 | unsigned int agp_buffer_token; |
bea5679f | 1152 | |
f453ba04 DA |
1153 | struct drm_mode_config mode_config; /**< Current mode config */ |
1154 | ||
673a394b EA |
1155 | /** \name GEM information */ |
1156 | /*@{ */ | |
cd4f013f | 1157 | struct mutex object_name_lock; |
673a394b | 1158 | struct idr object_name_idr; |
b04a5906 | 1159 | struct drm_vma_offset_manager *vma_offset_manager; |
673a394b | 1160 | /*@} */ |
5bcf719b | 1161 | int switch_power_state; |
84b1fd10 | 1162 | }; |
1da177e4 | 1163 | |
5bcf719b DA |
1164 | #define DRM_SWITCH_POWER_ON 0 |
1165 | #define DRM_SWITCH_POWER_OFF 1 | |
1166 | #define DRM_SWITCH_POWER_CHANGING 2 | |
13bb9cc8 | 1167 | #define DRM_SWITCH_POWER_DYNAMIC_OFF 3 |
5bcf719b | 1168 | |
b5e89ed5 DA |
1169 | static __inline__ int drm_core_check_feature(struct drm_device *dev, |
1170 | int feature) | |
1da177e4 LT |
1171 | { |
1172 | return ((dev->driver->driver_features & feature) ? 1 : 0); | |
1173 | } | |
1174 | ||
2c07a21d DA |
1175 | static inline void drm_device_set_unplugged(struct drm_device *dev) |
1176 | { | |
1177 | smp_wmb(); | |
1178 | atomic_set(&dev->unplugged, 1); | |
1179 | } | |
1180 | ||
1181 | static inline int drm_device_is_unplugged(struct drm_device *dev) | |
1182 | { | |
1183 | int ret = atomic_read(&dev->unplugged); | |
1184 | smp_rmb(); | |
1185 | return ret; | |
1186 | } | |
1187 | ||
43683057 | 1188 | static inline bool drm_is_render_client(const struct drm_file *file_priv) |
1793126f DH |
1189 | { |
1190 | return file_priv->minor->type == DRM_MINOR_RENDER; | |
1191 | } | |
1192 | ||
ac05dbc5 TH |
1193 | static inline bool drm_is_control_client(const struct drm_file *file_priv) |
1194 | { | |
1195 | return file_priv->minor->type == DRM_MINOR_CONTROL; | |
1196 | } | |
1197 | ||
43683057 TH |
1198 | static inline bool drm_is_primary_client(const struct drm_file *file_priv) |
1199 | { | |
1200 | return file_priv->minor->type == DRM_MINOR_LEGACY; | |
1201 | } | |
1202 | ||
1da177e4 LT |
1203 | /******************************************************************/ |
1204 | /** \name Internal function definitions */ | |
1205 | /*@{*/ | |
1206 | ||
1da177e4 | 1207 | /* Driver support (drm_drv.h) */ |
ed8b6704 AB |
1208 | extern long drm_ioctl(struct file *filp, |
1209 | unsigned int cmd, unsigned long arg); | |
b5e89ed5 DA |
1210 | extern long drm_compat_ioctl(struct file *filp, |
1211 | unsigned int cmd, unsigned long arg); | |
84b1fd10 | 1212 | extern int drm_lastclose(struct drm_device *dev); |
4beb6d9f | 1213 | extern bool drm_ioctl_flags(unsigned int nr, unsigned int *flags); |
1da177e4 LT |
1214 | |
1215 | /* Device support (drm_fops.h) */ | |
58374713 | 1216 | extern struct mutex drm_global_mutex; |
b5e89ed5 DA |
1217 | extern int drm_open(struct inode *inode, struct file *filp); |
1218 | extern int drm_stub_open(struct inode *inode, struct file *filp); | |
c9a9c5e0 KH |
1219 | extern ssize_t drm_read(struct file *filp, char __user *buffer, |
1220 | size_t count, loff_t *offset); | |
b5e89ed5 | 1221 | extern int drm_release(struct inode *inode, struct file *filp); |
1da177e4 LT |
1222 | |
1223 | /* Mapping support (drm_vm.h) */ | |
b5e89ed5 | 1224 | extern int drm_mmap(struct file *filp, struct vm_area_struct *vma); |
a2c0a97b | 1225 | extern int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma); |
b06d66be RC |
1226 | extern void drm_vm_open_locked(struct drm_device *dev, struct vm_area_struct *vma); |
1227 | extern void drm_vm_close_locked(struct drm_device *dev, struct vm_area_struct *vma); | |
b5e89ed5 | 1228 | extern unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait); |
1da177e4 LT |
1229 | |
1230 | /* Memory management support (drm_memory.h) */ | |
a1ce3928 | 1231 | #include <drm/drm_memory.h> |
1da177e4 | 1232 | |
d2e546b8 | 1233 | |
1da177e4 | 1234 | /* Misc. IOCTL support (drm_ioctl.h) */ |
c153f45f EA |
1235 | extern int drm_irq_by_busid(struct drm_device *dev, void *data, |
1236 | struct drm_file *file_priv); | |
1237 | extern int drm_getunique(struct drm_device *dev, void *data, | |
1238 | struct drm_file *file_priv); | |
1239 | extern int drm_setunique(struct drm_device *dev, void *data, | |
1240 | struct drm_file *file_priv); | |
1241 | extern int drm_getmap(struct drm_device *dev, void *data, | |
1242 | struct drm_file *file_priv); | |
1243 | extern int drm_getclient(struct drm_device *dev, void *data, | |
1244 | struct drm_file *file_priv); | |
1245 | extern int drm_getstats(struct drm_device *dev, void *data, | |
1246 | struct drm_file *file_priv); | |
9f35421e BS |
1247 | extern int drm_getcap(struct drm_device *dev, void *data, |
1248 | struct drm_file *file_priv); | |
1c0814fe DL |
1249 | extern int drm_setclientcap(struct drm_device *dev, void *data, |
1250 | struct drm_file *file_priv); | |
c153f45f EA |
1251 | extern int drm_setversion(struct drm_device *dev, void *data, |
1252 | struct drm_file *file_priv); | |
1253 | extern int drm_noop(struct drm_device *dev, void *data, | |
1254 | struct drm_file *file_priv); | |
1da177e4 LT |
1255 | |
1256 | /* Context IOCTL support (drm_context.h) */ | |
c153f45f EA |
1257 | extern int drm_resctx(struct drm_device *dev, void *data, |
1258 | struct drm_file *file_priv); | |
1259 | extern int drm_addctx(struct drm_device *dev, void *data, | |
1260 | struct drm_file *file_priv); | |
c153f45f EA |
1261 | extern int drm_getctx(struct drm_device *dev, void *data, |
1262 | struct drm_file *file_priv); | |
1263 | extern int drm_switchctx(struct drm_device *dev, void *data, | |
1264 | struct drm_file *file_priv); | |
1265 | extern int drm_newctx(struct drm_device *dev, void *data, | |
1266 | struct drm_file *file_priv); | |
1267 | extern int drm_rmctx(struct drm_device *dev, void *data, | |
1268 | struct drm_file *file_priv); | |
b5e89ed5 | 1269 | |
c21eb21c DA |
1270 | extern int drm_ctxbitmap_init(struct drm_device *dev); |
1271 | extern void drm_ctxbitmap_cleanup(struct drm_device *dev); | |
1272 | extern void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle); | |
b5e89ed5 | 1273 | |
c153f45f EA |
1274 | extern int drm_setsareactx(struct drm_device *dev, void *data, |
1275 | struct drm_file *file_priv); | |
1276 | extern int drm_getsareactx(struct drm_device *dev, void *data, | |
1277 | struct drm_file *file_priv); | |
1da177e4 | 1278 | |
1da177e4 | 1279 | /* Authentication IOCTL support (drm_auth.h) */ |
c153f45f EA |
1280 | extern int drm_getmagic(struct drm_device *dev, void *data, |
1281 | struct drm_file *file_priv); | |
1282 | extern int drm_authmagic(struct drm_device *dev, void *data, | |
1283 | struct drm_file *file_priv); | |
598781d7 | 1284 | extern int drm_remove_magic(struct drm_master *master, drm_magic_t magic); |
1da177e4 | 1285 | |
673a394b EA |
1286 | /* Cache management (drm_cache.c) */ |
1287 | void drm_clflush_pages(struct page *pages[], unsigned long num_pages); | |
9da3da66 | 1288 | void drm_clflush_sg(struct sg_table *st); |
c2d15359 | 1289 | void drm_clflush_virt_range(void *addr, unsigned long length); |
673a394b | 1290 | |
1da177e4 | 1291 | /* Locking IOCTL support (drm_lock.h) */ |
c153f45f EA |
1292 | extern int drm_lock(struct drm_device *dev, void *data, |
1293 | struct drm_file *file_priv); | |
1294 | extern int drm_unlock(struct drm_device *dev, void *data, | |
1295 | struct drm_file *file_priv); | |
55910517 DA |
1296 | extern int drm_lock_free(struct drm_lock_data *lock_data, unsigned int context); |
1297 | extern void drm_idlelock_take(struct drm_lock_data *lock_data); | |
1298 | extern void drm_idlelock_release(struct drm_lock_data *lock_data); | |
040ac320 TH |
1299 | |
1300 | /* | |
1301 | * These are exported to drivers so that they can implement fencing using | |
1302 | * DMA quiscent + idle. DMA quiescent usually requires the hardware lock. | |
1303 | */ | |
1304 | ||
c153f45f | 1305 | extern int drm_i_have_hw_lock(struct drm_device *dev, struct drm_file *file_priv); |
1da177e4 LT |
1306 | |
1307 | /* Buffer management support (drm_bufs.h) */ | |
84b1fd10 DA |
1308 | extern int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc * request); |
1309 | extern int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc * request); | |
41c2e75e | 1310 | extern int drm_addmap(struct drm_device *dev, resource_size_t offset, |
c60ce623 | 1311 | unsigned int size, enum drm_map_type type, |
f77d390c | 1312 | enum drm_map_flags flags, struct drm_local_map **map_ptr); |
c153f45f EA |
1313 | extern int drm_addmap_ioctl(struct drm_device *dev, void *data, |
1314 | struct drm_file *file_priv); | |
f77d390c BH |
1315 | extern int drm_rmmap(struct drm_device *dev, struct drm_local_map *map); |
1316 | extern int drm_rmmap_locked(struct drm_device *dev, struct drm_local_map *map); | |
c153f45f EA |
1317 | extern int drm_rmmap_ioctl(struct drm_device *dev, void *data, |
1318 | struct drm_file *file_priv); | |
1319 | extern int drm_addbufs(struct drm_device *dev, void *data, | |
1320 | struct drm_file *file_priv); | |
1321 | extern int drm_infobufs(struct drm_device *dev, void *data, | |
1322 | struct drm_file *file_priv); | |
1323 | extern int drm_markbufs(struct drm_device *dev, void *data, | |
1324 | struct drm_file *file_priv); | |
1325 | extern int drm_freebufs(struct drm_device *dev, void *data, | |
1326 | struct drm_file *file_priv); | |
1327 | extern int drm_mapbufs(struct drm_device *dev, void *data, | |
1328 | struct drm_file *file_priv); | |
6eb9278a DV |
1329 | extern int drm_dma_ioctl(struct drm_device *dev, void *data, |
1330 | struct drm_file *file_priv); | |
1da177e4 LT |
1331 | |
1332 | /* DMA support (drm_dma.h) */ | |
e2e99a82 DV |
1333 | extern int drm_legacy_dma_setup(struct drm_device *dev); |
1334 | extern void drm_legacy_dma_takedown(struct drm_device *dev); | |
056219e2 | 1335 | extern void drm_free_buffer(struct drm_device *dev, struct drm_buf * buf); |
6c340eac EA |
1336 | extern void drm_core_reclaim_buffers(struct drm_device *dev, |
1337 | struct drm_file *filp); | |
1da177e4 LT |
1338 | |
1339 | /* IRQ support (drm_irq.h) */ | |
c153f45f EA |
1340 | extern int drm_control(struct drm_device *dev, void *data, |
1341 | struct drm_file *file_priv); | |
bb0f1b5c | 1342 | extern int drm_irq_install(struct drm_device *dev, int irq); |
84b1fd10 | 1343 | extern int drm_irq_uninstall(struct drm_device *dev); |
b5e89ed5 | 1344 | |
0a3e67a4 | 1345 | extern int drm_vblank_init(struct drm_device *dev, int num_crtcs); |
af6061af | 1346 | extern int drm_wait_vblank(struct drm_device *dev, void *data, |
0a3e67a4 | 1347 | struct drm_file *filp); |
0a3e67a4 | 1348 | extern u32 drm_vblank_count(struct drm_device *dev, int crtc); |
27641c3f MK |
1349 | extern u32 drm_vblank_count_and_time(struct drm_device *dev, int crtc, |
1350 | struct timeval *vblanktime); | |
c6eefa17 RC |
1351 | extern void drm_send_vblank_event(struct drm_device *dev, int crtc, |
1352 | struct drm_pending_vblank_event *e); | |
78c6e170 | 1353 | extern bool drm_handle_vblank(struct drm_device *dev, int crtc); |
0a3e67a4 JB |
1354 | extern int drm_vblank_get(struct drm_device *dev, int crtc); |
1355 | extern void drm_vblank_put(struct drm_device *dev, int crtc); | |
89dd6a4b DV |
1356 | extern int drm_crtc_vblank_get(struct drm_crtc *crtc); |
1357 | extern void drm_crtc_vblank_put(struct drm_crtc *crtc); | |
778c9026 | 1358 | extern void drm_vblank_off(struct drm_device *dev, int crtc); |
f2752282 | 1359 | extern void drm_vblank_on(struct drm_device *dev, int crtc); |
89dd6a4b DV |
1360 | extern void drm_crtc_vblank_off(struct drm_crtc *crtc); |
1361 | extern void drm_crtc_vblank_on(struct drm_crtc *crtc); | |
52440211 | 1362 | extern void drm_vblank_cleanup(struct drm_device *dev); |
89dd6a4b | 1363 | |
27641c3f MK |
1364 | extern u32 drm_get_last_vbltimestamp(struct drm_device *dev, int crtc, |
1365 | struct timeval *tvblank, unsigned flags); | |
1366 | extern int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev, | |
1367 | int crtc, int *max_error, | |
1368 | struct timeval *vblank_time, | |
1369 | unsigned flags, | |
7da903ef VS |
1370 | const struct drm_crtc *refcrtc, |
1371 | const struct drm_display_mode *mode); | |
545cdd55 VS |
1372 | extern void drm_calc_timestamping_constants(struct drm_crtc *crtc, |
1373 | const struct drm_display_mode *mode); | |
27641c3f | 1374 | |
ebc64e45 | 1375 | |
0a3e67a4 | 1376 | /* Modesetting support */ |
f453ba04 DA |
1377 | extern void drm_vblank_pre_modeset(struct drm_device *dev, int crtc); |
1378 | extern void drm_vblank_post_modeset(struct drm_device *dev, int crtc); | |
0a3e67a4 JB |
1379 | extern int drm_modeset_ctl(struct drm_device *dev, void *data, |
1380 | struct drm_file *file_priv); | |
1da177e4 LT |
1381 | |
1382 | /* AGP/GART support (drm_agpsupport.h) */ | |
00fd78e5 DH |
1383 | |
1384 | #include <drm/drm_agpsupport.h> | |
1da177e4 LT |
1385 | |
1386 | /* Stub support (drm_stub.h) */ | |
7c1c2871 DA |
1387 | extern int drm_setmaster_ioctl(struct drm_device *dev, void *data, |
1388 | struct drm_file *file_priv); | |
1389 | extern int drm_dropmaster_ioctl(struct drm_device *dev, void *data, | |
1390 | struct drm_file *file_priv); | |
1391 | struct drm_master *drm_master_create(struct drm_minor *minor); | |
1392 | extern struct drm_master *drm_master_get(struct drm_master *master); | |
1393 | extern void drm_master_put(struct drm_master **master); | |
8410ea3b | 1394 | |
112b715e | 1395 | extern void drm_put_dev(struct drm_device *dev); |
2c07a21d | 1396 | extern void drm_unplug_dev(struct drm_device *dev); |
b5e89ed5 | 1397 | extern unsigned int drm_debug; |
1793126f | 1398 | extern unsigned int drm_rnodes; |
681e7ec7 | 1399 | extern unsigned int drm_universal_planes; |
2c14f28b | 1400 | |
27641c3f MK |
1401 | extern unsigned int drm_vblank_offdelay; |
1402 | extern unsigned int drm_timestamp_precision; | |
c61eef72 | 1403 | extern unsigned int drm_timestamp_monotonic; |
27641c3f | 1404 | |
0650fd58 | 1405 | extern struct class *drm_class; |
955b12de | 1406 | extern struct dentry *drm_debugfs_root; |
1da177e4 | 1407 | |
2c14f28b DA |
1408 | extern struct idr drm_minors_idr; |
1409 | ||
f77d390c | 1410 | extern struct drm_local_map *drm_getsarea(struct drm_device *dev); |
da509d7a | 1411 | |
955b12de BG |
1412 | /* Debugfs support */ |
1413 | #if defined(CONFIG_DEBUG_FS) | |
1414 | extern int drm_debugfs_init(struct drm_minor *minor, int minor_id, | |
1415 | struct dentry *root); | |
7d74795b LD |
1416 | extern int drm_debugfs_create_files(const struct drm_info_list *files, |
1417 | int count, struct dentry *root, | |
1418 | struct drm_minor *minor); | |
1419 | extern int drm_debugfs_remove_files(const struct drm_info_list *files, | |
1420 | int count, struct drm_minor *minor); | |
955b12de | 1421 | extern int drm_debugfs_cleanup(struct drm_minor *minor); |
66ee52e2 TR |
1422 | #else |
1423 | static inline int drm_debugfs_init(struct drm_minor *minor, int minor_id, | |
1424 | struct dentry *root) | |
1425 | { | |
1426 | return 0; | |
1427 | } | |
1428 | ||
1429 | static inline int drm_debugfs_create_files(const struct drm_info_list *files, | |
1430 | int count, struct dentry *root, | |
1431 | struct drm_minor *minor) | |
1432 | { | |
1433 | return 0; | |
1434 | } | |
1435 | ||
1436 | static inline int drm_debugfs_remove_files(const struct drm_info_list *files, | |
1437 | int count, struct drm_minor *minor) | |
1438 | { | |
1439 | return 0; | |
1440 | } | |
1441 | ||
1442 | static inline int drm_debugfs_cleanup(struct drm_minor *minor) | |
1443 | { | |
1444 | return 0; | |
1445 | } | |
955b12de BG |
1446 | #endif |
1447 | ||
1448 | /* Info file support */ | |
1449 | extern int drm_name_info(struct seq_file *m, void *data); | |
1450 | extern int drm_vm_info(struct seq_file *m, void *data); | |
955b12de BG |
1451 | extern int drm_bufs_info(struct seq_file *m, void *data); |
1452 | extern int drm_vblank_info(struct seq_file *m, void *data); | |
1453 | extern int drm_clients_info(struct seq_file *m, void* data); | |
1454 | extern int drm_gem_name_info(struct seq_file *m, void *data); | |
955b12de | 1455 | |
3248877e | 1456 | |
89177644 AP |
1457 | extern struct dma_buf *drm_gem_prime_export(struct drm_device *dev, |
1458 | struct drm_gem_object *obj, int flags); | |
3248877e DA |
1459 | extern int drm_gem_prime_handle_to_fd(struct drm_device *dev, |
1460 | struct drm_file *file_priv, uint32_t handle, uint32_t flags, | |
1461 | int *prime_fd); | |
89177644 AP |
1462 | extern struct drm_gem_object *drm_gem_prime_import(struct drm_device *dev, |
1463 | struct dma_buf *dma_buf); | |
3248877e DA |
1464 | extern int drm_gem_prime_fd_to_handle(struct drm_device *dev, |
1465 | struct drm_file *file_priv, int prime_fd, uint32_t *handle); | |
c1d6798d | 1466 | extern void drm_gem_dmabuf_release(struct dma_buf *dma_buf); |
3248877e DA |
1467 | |
1468 | extern int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data, | |
1469 | struct drm_file *file_priv); | |
1470 | extern int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data, | |
1471 | struct drm_file *file_priv); | |
1472 | ||
51ab7ba2 DA |
1473 | extern int drm_prime_sg_to_page_addr_arrays(struct sg_table *sgt, struct page **pages, |
1474 | dma_addr_t *addrs, int max_pages); | |
3248877e DA |
1475 | extern struct sg_table *drm_prime_pages_to_sg(struct page **pages, int nr_pages); |
1476 | extern void drm_prime_gem_destroy(struct drm_gem_object *obj, struct sg_table *sg); | |
1477 | ||
43387b37 DV |
1478 | int drm_gem_dumb_destroy(struct drm_file *file, |
1479 | struct drm_device *dev, | |
1480 | uint32_t handle); | |
3248877e DA |
1481 | |
1482 | void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv); | |
1483 | void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv); | |
d0b2c533 | 1484 | void drm_prime_remove_buf_handle_locked(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf); |
3248877e | 1485 | |
955b12de BG |
1486 | #if DRM_DEBUG_CODE |
1487 | extern int drm_vma_info(struct seq_file *m, void *data); | |
1488 | #endif | |
1489 | ||
1da177e4 | 1490 | /* Scatter Gather Support (drm_scatter.h) */ |
3d914e83 | 1491 | extern void drm_legacy_sg_cleanup(struct drm_device *dev); |
1d8d29cf | 1492 | extern int drm_sg_alloc(struct drm_device *dev, void *data, |
c153f45f | 1493 | struct drm_file *file_priv); |
c153f45f EA |
1494 | extern int drm_sg_free(struct drm_device *dev, void *data, |
1495 | struct drm_file *file_priv); | |
1da177e4 | 1496 | |
b5e89ed5 | 1497 | /* ATI PCIGART support (ati_pcigart.h) */ |
84b1fd10 | 1498 | extern int drm_ati_pcigart_init(struct drm_device *dev, |
55910517 | 1499 | struct drm_ati_pcigart_info * gart_info); |
84b1fd10 | 1500 | extern int drm_ati_pcigart_cleanup(struct drm_device *dev, |
55910517 | 1501 | struct drm_ati_pcigart_info * gart_info); |
1da177e4 | 1502 | |
84b1fd10 | 1503 | extern drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size, |
e6be8d9d | 1504 | size_t align); |
84b1fd10 DA |
1505 | extern void __drm_pci_free(struct drm_device *dev, drm_dma_handle_t * dmah); |
1506 | extern void drm_pci_free(struct drm_device *dev, drm_dma_handle_t * dmah); | |
53bf2a2b DV |
1507 | extern int drm_pci_set_unique(struct drm_device *dev, |
1508 | struct drm_master *master, | |
1509 | struct drm_unique *u); | |
1da177e4 LT |
1510 | |
1511 | /* sysfs support (drm_sysfs.c) */ | |
e8b962b6 | 1512 | struct drm_sysfs_class; |
0650fd58 | 1513 | extern struct class *drm_sysfs_create(struct module *owner, char *name); |
e8b962b6 | 1514 | extern void drm_sysfs_destroy(void); |
2c14f28b | 1515 | extern int drm_sysfs_device_add(struct drm_minor *minor); |
f453ba04 | 1516 | extern void drm_sysfs_hotplug_event(struct drm_device *dev); |
2c14f28b | 1517 | extern void drm_sysfs_device_remove(struct drm_minor *minor); |
f453ba04 DA |
1518 | extern int drm_sysfs_connector_add(struct drm_connector *connector); |
1519 | extern void drm_sysfs_connector_remove(struct drm_connector *connector); | |
1da177e4 | 1520 | |
673a394b EA |
1521 | /* Graphics Execution Manager library functions (drm_gem.c) */ |
1522 | int drm_gem_init(struct drm_device *dev); | |
a2c0a97b | 1523 | void drm_gem_destroy(struct drm_device *dev); |
fd632aa3 | 1524 | void drm_gem_object_release(struct drm_gem_object *obj); |
673a394b | 1525 | void drm_gem_object_free(struct kref *kref); |
1d397043 DV |
1526 | int drm_gem_object_init(struct drm_device *dev, |
1527 | struct drm_gem_object *obj, size_t size); | |
89c8233f DH |
1528 | void drm_gem_private_object_init(struct drm_device *dev, |
1529 | struct drm_gem_object *obj, size_t size); | |
ab00b3e5 JB |
1530 | void drm_gem_vm_open(struct vm_area_struct *vma); |
1531 | void drm_gem_vm_close(struct vm_area_struct *vma); | |
1c5aafa6 LP |
1532 | int drm_gem_mmap_obj(struct drm_gem_object *obj, unsigned long obj_size, |
1533 | struct vm_area_struct *vma); | |
a2c0a97b | 1534 | int drm_gem_mmap(struct file *filp, struct vm_area_struct *vma); |
673a394b | 1535 | |
a1ce3928 | 1536 | #include <drm/drm_global.h> |
ba4420c2 | 1537 | |
673a394b EA |
1538 | static inline void |
1539 | drm_gem_object_reference(struct drm_gem_object *obj) | |
1540 | { | |
1541 | kref_get(&obj->refcount); | |
1542 | } | |
1543 | ||
1544 | static inline void | |
1545 | drm_gem_object_unreference(struct drm_gem_object *obj) | |
1546 | { | |
c3ae90c0 LB |
1547 | if (obj != NULL) |
1548 | kref_put(&obj->refcount, drm_gem_object_free); | |
1549 | } | |
673a394b | 1550 | |
c3ae90c0 LB |
1551 | static inline void |
1552 | drm_gem_object_unreference_unlocked(struct drm_gem_object *obj) | |
1553 | { | |
7fc65eb7 | 1554 | if (obj && !atomic_add_unless(&obj->refcount.refcount, -1, 1)) { |
39b4d07a | 1555 | struct drm_device *dev = obj->dev; |
7fc65eb7 | 1556 | |
39b4d07a | 1557 | mutex_lock(&dev->struct_mutex); |
7fc65eb7 CW |
1558 | if (likely(atomic_dec_and_test(&obj->refcount.refcount))) |
1559 | drm_gem_object_free(&obj->refcount); | |
39b4d07a CW |
1560 | mutex_unlock(&dev->struct_mutex); |
1561 | } | |
673a394b EA |
1562 | } |
1563 | ||
20228c44 DV |
1564 | int drm_gem_handle_create_tail(struct drm_file *file_priv, |
1565 | struct drm_gem_object *obj, | |
1566 | u32 *handlep); | |
673a394b EA |
1567 | int drm_gem_handle_create(struct drm_file *file_priv, |
1568 | struct drm_gem_object *obj, | |
a1a2d1d3 | 1569 | u32 *handlep); |
ff72145b | 1570 | int drm_gem_handle_delete(struct drm_file *filp, u32 handle); |
673a394b | 1571 | |
c3ae90c0 | 1572 | |
75ef8b3b RC |
1573 | void drm_gem_free_mmap_offset(struct drm_gem_object *obj); |
1574 | int drm_gem_create_mmap_offset(struct drm_gem_object *obj); | |
367bbd49 | 1575 | int drm_gem_create_mmap_offset_size(struct drm_gem_object *obj, size_t size); |
75ef8b3b | 1576 | |
bcc5c9d5 RC |
1577 | struct page **drm_gem_get_pages(struct drm_gem_object *obj, gfp_t gfpmask); |
1578 | void drm_gem_put_pages(struct drm_gem_object *obj, struct page **pages, | |
1579 | bool dirty, bool accessed); | |
1580 | ||
673a394b EA |
1581 | struct drm_gem_object *drm_gem_object_lookup(struct drm_device *dev, |
1582 | struct drm_file *filp, | |
a1a2d1d3 | 1583 | u32 handle); |
673a394b EA |
1584 | int drm_gem_close_ioctl(struct drm_device *dev, void *data, |
1585 | struct drm_file *file_priv); | |
1586 | int drm_gem_flink_ioctl(struct drm_device *dev, void *data, | |
1587 | struct drm_file *file_priv); | |
1588 | int drm_gem_open_ioctl(struct drm_device *dev, void *data, | |
1589 | struct drm_file *file_priv); | |
1590 | void drm_gem_open(struct drm_device *dev, struct drm_file *file_private); | |
1591 | void drm_gem_release(struct drm_device *dev, struct drm_file *file_private); | |
1592 | ||
f77d390c BH |
1593 | extern void drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev); |
1594 | extern void drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev); | |
1595 | extern void drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev); | |
1da177e4 | 1596 | |
f77d390c BH |
1597 | static __inline__ struct drm_local_map *drm_core_findmap(struct drm_device *dev, |
1598 | unsigned int token) | |
1da177e4 | 1599 | { |
55910517 | 1600 | struct drm_map_list *_entry; |
bd1b331f | 1601 | list_for_each_entry(_entry, &dev->maplist, head) |
b5e89ed5 DA |
1602 | if (_entry->user_token == token) |
1603 | return _entry->map; | |
1da177e4 LT |
1604 | return NULL; |
1605 | } | |
1606 | ||
8410ea3b | 1607 | static __inline__ void drm_core_dropmap(struct drm_local_map *map) |
cda17380 | 1608 | { |
8410ea3b DA |
1609 | } |
1610 | ||
a1ce3928 | 1611 | #include <drm/drm_mem_util.h> |
dcdb1674 | 1612 | |
1bb72532 DH |
1613 | struct drm_device *drm_dev_alloc(struct drm_driver *driver, |
1614 | struct device *parent); | |
099d1c29 DH |
1615 | void drm_dev_ref(struct drm_device *dev); |
1616 | void drm_dev_unref(struct drm_device *dev); | |
c22f0ace | 1617 | int drm_dev_register(struct drm_device *dev, unsigned long flags); |
c3a49737 | 1618 | void drm_dev_unregister(struct drm_device *dev); |
ca8e2ad7 | 1619 | int drm_dev_set_unique(struct drm_device *dev, const char *fmt, ...); |
1616c525 DH |
1620 | |
1621 | struct drm_minor *drm_minor_acquire(unsigned int minor_id); | |
1622 | void drm_minor_release(struct drm_minor *minor); | |
1623 | ||
8410ea3b DA |
1624 | /*@}*/ |
1625 | ||
1626 | /* PCI section */ | |
1627 | static __inline__ int drm_pci_device_is_agp(struct drm_device *dev) | |
1628 | { | |
b5e89ed5 DA |
1629 | if (dev->driver->device_is_agp != NULL) { |
1630 | int err = (*dev->driver->device_is_agp) (dev); | |
1631 | ||
cda17380 DA |
1632 | if (err != 2) { |
1633 | return err; | |
1634 | } | |
1635 | } | |
1636 | ||
1637 | return pci_find_capability(dev->pdev, PCI_CAP_ID_AGP); | |
1638 | } | |
4efafebe | 1639 | void drm_pci_agp_destroy(struct drm_device *dev); |
cda17380 | 1640 | |
8410ea3b DA |
1641 | extern int drm_pci_init(struct drm_driver *driver, struct pci_driver *pdriver); |
1642 | extern void drm_pci_exit(struct drm_driver *driver, struct pci_driver *pdriver); | |
1643 | extern int drm_get_pci_dev(struct pci_dev *pdev, | |
dcdb1674 JC |
1644 | const struct pci_device_id *ent, |
1645 | struct drm_driver *driver); | |
8410ea3b | 1646 | |
f4297784 DA |
1647 | #define DRM_PCIE_SPEED_25 1 |
1648 | #define DRM_PCIE_SPEED_50 2 | |
1649 | #define DRM_PCIE_SPEED_80 4 | |
1650 | ||
1651 | extern int drm_pcie_get_speed_cap_mask(struct drm_device *dev, u32 *speed_mask); | |
8410ea3b DA |
1652 | |
1653 | /* platform section */ | |
1654 | extern int drm_platform_init(struct drm_driver *driver, struct platform_device *platform_device); | |
8410ea3b | 1655 | |
cc1f7194 DA |
1656 | /* returns true if currently okay to sleep */ |
1657 | static __inline__ bool drm_can_sleep(void) | |
1658 | { | |
1659 | if (in_atomic() || in_dbg_master() || irqs_disabled()) | |
1660 | return false; | |
1661 | return true; | |
1662 | } | |
1663 | ||
b5e89ed5 | 1664 | #endif /* __KERNEL__ */ |
1da177e4 | 1665 | #endif |