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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. | |
12 | * All rights reserved. | |
13 | * | |
14 | * Permission is hereby granted, free of charge, to any person obtaining a | |
15 | * copy of this software and associated documentation files (the "Software"), | |
16 | * to deal in the Software without restriction, including without limitation | |
17 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
18 | * and/or sell copies of the Software, and to permit persons to whom the | |
19 | * Software is furnished to do so, subject to the following conditions: | |
20 | * | |
21 | * The above copyright notice and this permission notice (including the next | |
22 | * paragraph) shall be included in all copies or substantial portions of the | |
23 | * Software. | |
24 | * | |
25 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
26 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
27 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
28 | * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
29 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
30 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
31 | * OTHER DEALINGS IN THE SOFTWARE. | |
32 | */ | |
33 | ||
34 | #ifndef _DRM_P_H_ | |
35 | #define _DRM_P_H_ | |
36 | ||
37 | /* If you want the memory alloc debug functionality, change define below */ | |
38 | /* #define DEBUG_MEMORY */ | |
39 | ||
40 | #ifdef __KERNEL__ | |
41 | #ifdef __alpha__ | |
42 | /* add include of current.h so that "current" is defined | |
43 | * before static inline funcs in wait.h. Doing this so we | |
44 | * can build the DRM (part of PI DRI). 4/21/2000 S + B */ | |
45 | #include <asm/current.h> | |
b5e89ed5 | 46 | #endif /* __alpha__ */ |
1da177e4 LT |
47 | #include <linux/module.h> |
48 | #include <linux/kernel.h> | |
49 | #include <linux/miscdevice.h> | |
50 | #include <linux/fs.h> | |
51 | #include <linux/proc_fs.h> | |
52 | #include <linux/init.h> | |
53 | #include <linux/file.h> | |
54 | #include <linux/pci.h> | |
1da177e4 LT |
55 | #include <linux/jiffies.h> |
56 | #include <linux/smp_lock.h> /* For (un)lock_kernel */ | |
b05c2385 | 57 | #include <linux/dma-mapping.h> |
1da177e4 LT |
58 | #include <linux/mm.h> |
59 | #include <linux/cdev.h> | |
30e2fb18 | 60 | #include <linux/mutex.h> |
1da177e4 | 61 | #if defined(__alpha__) || defined(__powerpc__) |
b5e89ed5 | 62 | #include <asm/pgtable.h> /* For pte_wrprotect */ |
1da177e4 LT |
63 | #endif |
64 | #include <asm/io.h> | |
65 | #include <asm/mman.h> | |
66 | #include <asm/uaccess.h> | |
67 | #ifdef CONFIG_MTRR | |
68 | #include <asm/mtrr.h> | |
69 | #endif | |
70 | #if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) | |
71 | #include <linux/types.h> | |
72 | #include <linux/agp_backend.h> | |
73 | #endif | |
74 | #include <linux/workqueue.h> | |
75 | #include <linux/poll.h> | |
76 | #include <asm/pgalloc.h> | |
77 | #include "drm.h" | |
78 | ||
62968144 DA |
79 | #include <linux/idr.h> |
80 | ||
1da177e4 LT |
81 | #define __OS_HAS_AGP (defined(CONFIG_AGP) || (defined(CONFIG_AGP_MODULE) && defined(MODULE))) |
82 | #define __OS_HAS_MTRR (defined(CONFIG_MTRR)) | |
83 | ||
c153f45f EA |
84 | struct drm_file; |
85 | struct drm_device; | |
86 | ||
1da177e4 | 87 | #include "drm_os_linux.h" |
3a1bd924 | 88 | #include "drm_hashtab.h" |
1da177e4 LT |
89 | |
90 | /***********************************************************************/ | |
91 | /** \name DRM template customization defaults */ | |
92 | /*@{*/ | |
93 | ||
94 | /* driver capabilities and requirements mask */ | |
95 | #define DRIVER_USE_AGP 0x1 | |
96 | #define DRIVER_REQUIRE_AGP 0x2 | |
97 | #define DRIVER_USE_MTRR 0x4 | |
98 | #define DRIVER_PCI_DMA 0x8 | |
99 | #define DRIVER_SG 0x10 | |
100 | #define DRIVER_HAVE_DMA 0x20 | |
101 | #define DRIVER_HAVE_IRQ 0x40 | |
102 | #define DRIVER_IRQ_SHARED 0x80 | |
af6061af | 103 | #define DRIVER_IRQ_VBL 0x100 |
1da177e4 | 104 | #define DRIVER_DMA_QUEUE 0x200 |
b84397d6 | 105 | #define DRIVER_FB_DMA 0x400 |
af6061af | 106 | #define DRIVER_IRQ_VBL2 0x800 |
673a394b | 107 | #define DRIVER_GEM 0x1000 |
f453ba04 | 108 | #define DRIVER_MODESET 0x2000 |
1da177e4 LT |
109 | |
110 | /***********************************************************************/ | |
111 | /** \name Begin the DRM... */ | |
112 | /*@{*/ | |
113 | ||
114 | #define DRM_DEBUG_CODE 2 /**< Include debugging code if > 1, then | |
115 | also include looping detection. */ | |
116 | ||
8669cbc5 | 117 | #define DRM_MAGIC_HASH_ORDER 4 /**< Size of key hash table. Must be power of 2. */ |
1da177e4 LT |
118 | #define DRM_KERNEL_CONTEXT 0 /**< Change drm_resctx if changed */ |
119 | #define DRM_RESERVED_CONTEXTS 1 /**< Change drm_resctx if changed */ | |
120 | #define DRM_LOOPING_LIMIT 5000000 | |
1da177e4 LT |
121 | #define DRM_TIME_SLICE (HZ/20) /**< Time slice for GLXContexts */ |
122 | #define DRM_LOCK_SLICE 1 /**< Time slice for lock, in jiffies */ | |
123 | ||
124 | #define DRM_FLAG_DEBUG 0x01 | |
125 | ||
126 | #define DRM_MEM_DMA 0 | |
127 | #define DRM_MEM_SAREA 1 | |
128 | #define DRM_MEM_DRIVER 2 | |
129 | #define DRM_MEM_MAGIC 3 | |
130 | #define DRM_MEM_IOCTLS 4 | |
131 | #define DRM_MEM_MAPS 5 | |
132 | #define DRM_MEM_VMAS 6 | |
133 | #define DRM_MEM_BUFS 7 | |
134 | #define DRM_MEM_SEGS 8 | |
135 | #define DRM_MEM_PAGES 9 | |
136 | #define DRM_MEM_FILES 10 | |
137 | #define DRM_MEM_QUEUES 11 | |
138 | #define DRM_MEM_CMDS 12 | |
139 | #define DRM_MEM_MAPPINGS 13 | |
140 | #define DRM_MEM_BUFLISTS 14 | |
141 | #define DRM_MEM_AGPLISTS 15 | |
142 | #define DRM_MEM_TOTALAGP 16 | |
143 | #define DRM_MEM_BOUNDAGP 17 | |
144 | #define DRM_MEM_CTXBITMAP 18 | |
145 | #define DRM_MEM_STUB 19 | |
146 | #define DRM_MEM_SGLISTS 20 | |
3a1bd924 TH |
147 | #define DRM_MEM_CTXLIST 21 |
148 | #define DRM_MEM_MM 22 | |
149 | #define DRM_MEM_HASHTAB 23 | |
1da177e4 LT |
150 | |
151 | #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) | |
8d153f71 | 152 | #define DRM_MAP_HASH_OFFSET 0x10000000 |
1da177e4 | 153 | |
b5e89ed5 | 154 | /*@}*/ |
1da177e4 | 155 | |
1da177e4 LT |
156 | /***********************************************************************/ |
157 | /** \name Macros to make printk easier */ | |
158 | /*@{*/ | |
159 | ||
160 | /** | |
161 | * Error output. | |
162 | * | |
163 | * \param fmt printf() like format string. | |
164 | * \param arg arguments | |
165 | */ | |
166 | #define DRM_ERROR(fmt, arg...) \ | |
bf9d8929 | 167 | printk(KERN_ERR "[" DRM_NAME ":%s] *ERROR* " fmt , __func__ , ##arg) |
1da177e4 LT |
168 | |
169 | /** | |
170 | * Memory error output. | |
171 | * | |
172 | * \param area memory area where the error occurred. | |
173 | * \param fmt printf() like format string. | |
174 | * \param arg arguments | |
175 | */ | |
176 | #define DRM_MEM_ERROR(area, fmt, arg...) \ | |
bf9d8929 | 177 | printk(KERN_ERR "[" DRM_NAME ":%s:%s] *ERROR* " fmt , __func__, \ |
1da177e4 LT |
178 | drm_mem_stats[area].name , ##arg) |
179 | ||
180 | #define DRM_INFO(fmt, arg...) printk(KERN_INFO "[" DRM_NAME "] " fmt , ##arg) | |
181 | ||
182 | /** | |
183 | * Debug output. | |
b5e89ed5 | 184 | * |
1da177e4 LT |
185 | * \param fmt printf() like format string. |
186 | * \param arg arguments | |
187 | */ | |
188 | #if DRM_DEBUG_CODE | |
189 | #define DRM_DEBUG(fmt, arg...) \ | |
190 | do { \ | |
191 | if ( drm_debug ) \ | |
192 | printk(KERN_DEBUG \ | |
193 | "[" DRM_NAME ":%s] " fmt , \ | |
bf9d8929 | 194 | __func__ , ##arg); \ |
1da177e4 LT |
195 | } while (0) |
196 | #else | |
197 | #define DRM_DEBUG(fmt, arg...) do { } while (0) | |
198 | #endif | |
199 | ||
200 | #define DRM_PROC_LIMIT (PAGE_SIZE-80) | |
201 | ||
202 | #define DRM_PROC_PRINT(fmt, arg...) \ | |
203 | len += sprintf(&buf[len], fmt , ##arg); \ | |
204 | if (len > DRM_PROC_LIMIT) { *eof = 1; return len - offset; } | |
205 | ||
206 | #define DRM_PROC_PRINT_RET(ret, fmt, arg...) \ | |
207 | len += sprintf(&buf[len], fmt , ##arg); \ | |
208 | if (len > DRM_PROC_LIMIT) { ret; *eof = 1; return len - offset; } | |
209 | ||
210 | /*@}*/ | |
211 | ||
1da177e4 LT |
212 | /***********************************************************************/ |
213 | /** \name Internal types and structures */ | |
214 | /*@{*/ | |
215 | ||
99a2657a | 216 | #define DRM_ARRAY_SIZE(x) ARRAY_SIZE(x) |
1da177e4 LT |
217 | |
218 | #define DRM_LEFTCOUNT(x) (((x)->rp + (x)->count - (x)->wp) % ((x)->count + 1)) | |
219 | #define DRM_BUFCOUNT(x) ((x)->count - DRM_LEFTCOUNT(x)) | |
220 | #define DRM_WAITCOUNT(dev,idx) DRM_BUFCOUNT(&dev->queuelist[idx]->waitlist) | |
221 | ||
222 | #define DRM_IF_VERSION(maj, min) (maj << 16 | min) | |
223 | /** | |
224 | * Get the private SAREA mapping. | |
225 | * | |
226 | * \param _dev DRM device. | |
227 | * \param _ctx context number. | |
228 | * \param _map output mapping. | |
229 | */ | |
230 | #define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \ | |
231 | (_map) = (_dev)->context_sareas[_ctx]; \ | |
232 | } while(0) | |
233 | ||
234 | /** | |
235 | * Test that the hardware lock is held by the caller, returning otherwise. | |
236 | * | |
237 | * \param dev DRM device. | |
238 | * \param filp file pointer of the caller. | |
239 | */ | |
c153f45f | 240 | #define LOCK_TEST_WITH_RETURN( dev, file_priv ) \ |
1da177e4 | 241 | do { \ |
7c1c2871 DA |
242 | if (!_DRM_LOCK_IS_HELD(file_priv->master->lock.hw_lock->lock) || \ |
243 | file_priv->master->lock.file_priv != file_priv) { \ | |
c153f45f | 244 | DRM_ERROR( "%s called without lock held, held %d owner %p %p\n",\ |
7c1c2871 DA |
245 | __func__, _DRM_LOCK_IS_HELD(file_priv->master->lock.hw_lock->lock),\ |
246 | file_priv->master->lock.file_priv, file_priv); \ | |
1da177e4 LT |
247 | return -EINVAL; \ |
248 | } \ | |
249 | } while (0) | |
250 | ||
251 | /** | |
252 | * Copy and IOCTL return string to user space | |
253 | */ | |
254 | #define DRM_COPY( name, value ) \ | |
255 | len = strlen( value ); \ | |
256 | if ( len > name##_len ) len = name##_len; \ | |
257 | name##_len = strlen( value ); \ | |
258 | if ( len && name ) { \ | |
259 | if ( copy_to_user( name, value, len ) ) \ | |
260 | return -EFAULT; \ | |
261 | } | |
b5e89ed5 | 262 | |
1da177e4 LT |
263 | /** |
264 | * Ioctl function type. | |
265 | * | |
266 | * \param inode device inode. | |
6c340eac | 267 | * \param file_priv DRM file private pointer. |
1da177e4 LT |
268 | * \param cmd command. |
269 | * \param arg argument. | |
270 | */ | |
c153f45f EA |
271 | typedef int drm_ioctl_t(struct drm_device *dev, void *data, |
272 | struct drm_file *file_priv); | |
1da177e4 | 273 | |
9a186645 DA |
274 | typedef int drm_ioctl_compat_t(struct file *filp, unsigned int cmd, |
275 | unsigned long arg); | |
276 | ||
a7a2cc31 DA |
277 | #define DRM_AUTH 0x1 |
278 | #define DRM_MASTER 0x2 | |
279 | #define DRM_ROOT_ONLY 0x4 | |
f453ba04 | 280 | #define DRM_CONTROL_ALLOW 0x8 |
a7a2cc31 | 281 | |
c153f45f EA |
282 | struct drm_ioctl_desc { |
283 | unsigned int cmd; | |
b5e89ed5 | 284 | drm_ioctl_t *func; |
a7a2cc31 | 285 | int flags; |
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 | */ | |
292 | #define DRM_IOCTL_DEF(ioctl, func, flags) \ | |
293 | [DRM_IOCTL_NR(ioctl)] = {ioctl, func, flags} | |
1da177e4 | 294 | |
8fc2fdf4 | 295 | struct drm_magic_entry { |
8669cbc5 | 296 | struct list_head head; |
e0be428e | 297 | struct drm_hash_item hash_item; |
b5e89ed5 | 298 | struct drm_file *priv; |
8fc2fdf4 | 299 | }; |
1da177e4 | 300 | |
8fc2fdf4 | 301 | struct drm_vma_entry { |
bd1b331f | 302 | struct list_head head; |
1da177e4 | 303 | struct vm_area_struct *vma; |
b5e89ed5 | 304 | pid_t pid; |
8fc2fdf4 | 305 | }; |
1da177e4 LT |
306 | |
307 | /** | |
308 | * DMA buffer. | |
309 | */ | |
056219e2 | 310 | struct drm_buf { |
b5e89ed5 DA |
311 | int idx; /**< Index into master buflist */ |
312 | int total; /**< Buffer size */ | |
313 | int order; /**< log-base-2(total) */ | |
314 | int used; /**< Amount of buffer in use (for DMA) */ | |
315 | unsigned long offset; /**< Byte offset (used internally) */ | |
316 | void *address; /**< Address of buffer */ | |
317 | unsigned long bus_address; /**< Bus address of buffer */ | |
318 | struct drm_buf *next; /**< Kernel-only: used for free list */ | |
319 | __volatile__ int waiting; /**< On kernel DMA queue */ | |
320 | __volatile__ int pending; /**< On hardware DMA queue */ | |
1da177e4 | 321 | wait_queue_head_t dma_wait; /**< Processes waiting */ |
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 LT |
380 | |
381 | /** File private data */ | |
84b1fd10 | 382 | struct drm_file { |
b5e89ed5 | 383 | int authenticated; |
b5e89ed5 DA |
384 | pid_t pid; |
385 | uid_t uid; | |
386 | drm_magic_t magic; | |
387 | unsigned long ioctl_count; | |
bd1b331f | 388 | struct list_head lhead; |
2c14f28b | 389 | struct drm_minor *minor; |
b5e89ed5 | 390 | unsigned long lock_count; |
7c1c2871 | 391 | |
673a394b EA |
392 | /** Mapping of mm object handles to object pointers. */ |
393 | struct idr object_idr; | |
394 | /** Lock for synchronization of access to object_idr. */ | |
395 | spinlock_t table_lock; | |
7c1c2871 | 396 | |
6c340eac | 397 | struct file *filp; |
8562b3f2 | 398 | void *driver_priv; |
7c1c2871 DA |
399 | |
400 | int is_master; /* this file private is a master for a minor */ | |
401 | struct drm_master *master; /* master this node is currently associated with | |
402 | N.B. not always minor->master */ | |
f453ba04 | 403 | struct list_head fbs; |
84b1fd10 | 404 | }; |
1da177e4 LT |
405 | |
406 | /** Wait queue */ | |
cdd55a29 | 407 | struct drm_queue { |
b5e89ed5 DA |
408 | atomic_t use_count; /**< Outstanding uses (+1) */ |
409 | atomic_t finalization; /**< Finalization in progress */ | |
410 | atomic_t block_count; /**< Count of processes waiting */ | |
411 | atomic_t block_read; /**< Queue blocked for reads */ | |
1da177e4 | 412 | wait_queue_head_t read_queue; /**< Processes waiting on block_read */ |
b5e89ed5 | 413 | atomic_t block_write; /**< Queue blocked for writes */ |
1da177e4 | 414 | wait_queue_head_t write_queue; /**< Processes waiting on block_write */ |
b5e89ed5 DA |
415 | atomic_t total_queued; /**< Total queued statistic */ |
416 | atomic_t total_flushed; /**< Total flushes statistic */ | |
417 | atomic_t total_locks; /**< Total locks statistics */ | |
c60ce623 | 418 | enum drm_ctx_flags flags; /**< Context preserving and 2D-only */ |
cdd55a29 | 419 | struct drm_waitlist waitlist; /**< Pending buffers */ |
1da177e4 | 420 | wait_queue_head_t flush_queue; /**< Processes waiting until flush */ |
cdd55a29 | 421 | }; |
1da177e4 LT |
422 | |
423 | /** | |
424 | * Lock data. | |
425 | */ | |
55910517 | 426 | struct drm_lock_data { |
c60ce623 | 427 | struct drm_hw_lock *hw_lock; /**< Hardware lock */ |
8562b3f2 DA |
428 | /** Private of lock holder's file (NULL=kernel) */ |
429 | struct drm_file *file_priv; | |
1da177e4 | 430 | wait_queue_head_t lock_queue; /**< Queue of blocked processes */ |
b5e89ed5 | 431 | unsigned long lock_time; /**< Time of last lock in jiffies */ |
040ac320 TH |
432 | spinlock_t spinlock; |
433 | uint32_t kernel_waiters; | |
434 | uint32_t user_waiters; | |
435 | int idle_has_lock; | |
55910517 | 436 | }; |
1da177e4 LT |
437 | |
438 | /** | |
439 | * DMA data. | |
440 | */ | |
cdd55a29 | 441 | struct drm_device_dma { |
1da177e4 | 442 | |
cdd55a29 | 443 | struct drm_buf_entry bufs[DRM_MAX_ORDER + 1]; /**< buffers, grouped by their size order */ |
b5e89ed5 | 444 | int buf_count; /**< total number of buffers */ |
056219e2 | 445 | struct drm_buf **buflist; /**< Vector of pointers into drm_device_dma::bufs */ |
b5e89ed5 DA |
446 | int seg_count; |
447 | int page_count; /**< number of pages */ | |
448 | unsigned long *pagelist; /**< page list */ | |
449 | unsigned long byte_count; | |
1da177e4 LT |
450 | enum { |
451 | _DRM_DMA_USE_AGP = 0x01, | |
b5e89ed5 | 452 | _DRM_DMA_USE_SG = 0x02, |
3417f33e GS |
453 | _DRM_DMA_USE_FB = 0x04, |
454 | _DRM_DMA_USE_PCI_RO = 0x08 | |
1da177e4 LT |
455 | } flags; |
456 | ||
cdd55a29 | 457 | }; |
1da177e4 | 458 | |
b5e89ed5 | 459 | /** |
1da177e4 LT |
460 | * AGP memory entry. Stored as a doubly linked list. |
461 | */ | |
55910517 | 462 | struct drm_agp_mem { |
b5e89ed5 DA |
463 | unsigned long handle; /**< handle */ |
464 | DRM_AGP_MEM *memory; | |
465 | unsigned long bound; /**< address */ | |
466 | int pages; | |
bd1b331f | 467 | struct list_head head; |
55910517 | 468 | }; |
1da177e4 LT |
469 | |
470 | /** | |
471 | * AGP data. | |
472 | * | |
473 | * \sa drm_agp_init() and drm_device::agp. | |
474 | */ | |
55910517 | 475 | struct drm_agp_head { |
b5e89ed5 | 476 | DRM_AGP_KERN agp_info; /**< AGP device information */ |
bd1b331f | 477 | struct list_head memory; |
b5e89ed5 DA |
478 | unsigned long mode; /**< AGP mode */ |
479 | struct agp_bridge_data *bridge; | |
480 | int enabled; /**< whether the AGP bus as been enabled */ | |
481 | int acquired; /**< whether the AGP device has been acquired */ | |
482 | unsigned long base; | |
483 | int agp_mtrr; | |
484 | int cant_use_aperture; | |
485 | unsigned long page_mask; | |
55910517 | 486 | }; |
1da177e4 LT |
487 | |
488 | /** | |
489 | * Scatter-gather memory. | |
490 | */ | |
55910517 | 491 | struct drm_sg_mem { |
b5e89ed5 DA |
492 | unsigned long handle; |
493 | void *virtual; | |
494 | int pages; | |
495 | struct page **pagelist; | |
496 | dma_addr_t *busaddr; | |
55910517 | 497 | }; |
1da177e4 | 498 | |
55910517 | 499 | struct drm_sigdata { |
b5e89ed5 | 500 | int context; |
c60ce623 | 501 | struct drm_hw_lock *lock; |
55910517 | 502 | }; |
1da177e4 | 503 | |
8562b3f2 DA |
504 | |
505 | /* | |
506 | * Generic memory manager structs | |
507 | */ | |
508 | ||
509 | struct drm_mm_node { | |
510 | struct list_head fl_entry; | |
511 | struct list_head ml_entry; | |
512 | int free; | |
513 | unsigned long start; | |
514 | unsigned long size; | |
515 | struct drm_mm *mm; | |
516 | void *private; | |
517 | }; | |
518 | ||
519 | struct drm_mm { | |
520 | struct list_head fl_entry; | |
521 | struct list_head ml_entry; | |
522 | }; | |
523 | ||
524 | ||
1da177e4 LT |
525 | /** |
526 | * Mappings list | |
527 | */ | |
55910517 | 528 | struct drm_map_list { |
b5e89ed5 | 529 | struct list_head head; /**< list head */ |
e0be428e | 530 | struct drm_hash_item hash; |
c60ce623 | 531 | struct drm_map *map; /**< mapping */ |
8562b3f2 | 532 | uint64_t user_token; |
7c1c2871 | 533 | struct drm_master *master; |
a2c0a97b | 534 | struct drm_mm_node *file_offset_node; /**< fake offset */ |
55910517 | 535 | }; |
1da177e4 | 536 | |
c60ce623 | 537 | typedef struct drm_map drm_local_map_t; |
1da177e4 LT |
538 | |
539 | /** | |
540 | * Context handle list | |
541 | */ | |
55910517 | 542 | struct drm_ctx_list { |
b5e89ed5 DA |
543 | struct list_head head; /**< list head */ |
544 | drm_context_t handle; /**< context handle */ | |
84b1fd10 | 545 | struct drm_file *tag; /**< associated fd private data */ |
55910517 | 546 | }; |
1da177e4 | 547 | |
ea98a92f DA |
548 | /* location of GART table */ |
549 | #define DRM_ATI_GART_MAIN 1 | |
550 | #define DRM_ATI_GART_FB 2 | |
551 | ||
f2b04cd2 DA |
552 | #define DRM_ATI_GART_PCI 1 |
553 | #define DRM_ATI_GART_PCIE 2 | |
554 | #define DRM_ATI_GART_IGP 3 | |
555 | ||
55910517 | 556 | struct drm_ati_pcigart_info { |
ea98a92f | 557 | int gart_table_location; |
f2b04cd2 | 558 | int gart_reg_if; |
f26c473c | 559 | void *addr; |
ea98a92f | 560 | dma_addr_t bus_addr; |
b05c2385 DA |
561 | dma_addr_t table_mask; |
562 | struct drm_dma_handle *table_handle; | |
f26c473c | 563 | drm_local_map_t mapping; |
f2b04cd2 | 564 | int table_size; |
55910517 | 565 | }; |
ea98a92f | 566 | |
a2c0a97b JB |
567 | /** |
568 | * GEM specific mm private for tracking GEM objects | |
569 | */ | |
570 | struct drm_gem_mm { | |
571 | struct drm_mm offset_manager; /**< Offset mgmt for buffer objects */ | |
572 | struct drm_open_hash offset_hash; /**< User token hash table for maps */ | |
573 | }; | |
574 | ||
673a394b EA |
575 | /** |
576 | * This structure defines the drm_mm memory object, which will be used by the | |
577 | * DRM for its buffer objects. | |
578 | */ | |
579 | struct drm_gem_object { | |
580 | /** Reference count of this object */ | |
581 | struct kref refcount; | |
582 | ||
583 | /** Handle count of this object. Each handle also holds a reference */ | |
584 | struct kref handlecount; | |
585 | ||
586 | /** Related drm device */ | |
587 | struct drm_device *dev; | |
588 | ||
589 | /** File representing the shmem storage */ | |
590 | struct file *filp; | |
591 | ||
a2c0a97b JB |
592 | /* Mapping info for this object */ |
593 | struct drm_map_list map_list; | |
594 | ||
673a394b EA |
595 | /** |
596 | * Size of the object, in bytes. Immutable over the object's | |
597 | * lifetime. | |
598 | */ | |
599 | size_t size; | |
600 | ||
601 | /** | |
602 | * Global name for this object, starts at 1. 0 means unnamed. | |
603 | * Access is covered by the object_name_lock in the related drm_device | |
604 | */ | |
605 | int name; | |
606 | ||
607 | /** | |
608 | * Memory domains. These monitor which caches contain read/write data | |
609 | * related to the object. When transitioning from one set of domains | |
610 | * to another, the driver is called to ensure that caches are suitably | |
611 | * flushed and invalidated | |
612 | */ | |
613 | uint32_t read_domains; | |
614 | uint32_t write_domain; | |
615 | ||
616 | /** | |
617 | * While validating an exec operation, the | |
618 | * new read/write domain values are computed here. | |
619 | * They will be transferred to the above values | |
620 | * at the point that any cache flushing occurs | |
621 | */ | |
622 | uint32_t pending_read_domains; | |
623 | uint32_t pending_write_domain; | |
624 | ||
625 | void *driver_private; | |
626 | }; | |
627 | ||
f453ba04 DA |
628 | #include "drm_crtc.h" |
629 | ||
7c1c2871 DA |
630 | /* per-master structure */ |
631 | struct drm_master { | |
632 | ||
633 | struct kref refcount; /* refcount for this master */ | |
634 | ||
635 | struct list_head head; /**< each minor contains a list of masters */ | |
636 | struct drm_minor *minor; /**< link back to minor we are a master for */ | |
637 | ||
638 | char *unique; /**< Unique identifier: e.g., busid */ | |
639 | int unique_len; /**< Length of unique field */ | |
1147c9cd | 640 | int unique_size; /**< amount allocated */ |
7c1c2871 DA |
641 | |
642 | int blocked; /**< Blocked due to VC switch? */ | |
643 | ||
644 | /** \name Authentication */ | |
645 | /*@{ */ | |
646 | struct drm_open_hash magiclist; | |
647 | struct list_head magicfree; | |
648 | /*@} */ | |
649 | ||
650 | struct drm_lock_data lock; /**< Information on hardware lock */ | |
651 | ||
652 | void *driver_priv; /**< Private structure for driver to use */ | |
653 | }; | |
654 | ||
1da177e4 LT |
655 | /** |
656 | * DRM driver structure. This structure represent the common code for | |
657 | * a family of cards. There will one drm_device for each card present | |
658 | * in this family | |
659 | */ | |
1da177e4 | 660 | struct drm_driver { |
22eae947 DA |
661 | int (*load) (struct drm_device *, unsigned long flags); |
662 | int (*firstopen) (struct drm_device *); | |
84b1fd10 | 663 | int (*open) (struct drm_device *, struct drm_file *); |
6c340eac | 664 | void (*preclose) (struct drm_device *, struct drm_file *file_priv); |
84b1fd10 | 665 | void (*postclose) (struct drm_device *, struct drm_file *); |
22eae947 DA |
666 | void (*lastclose) (struct drm_device *); |
667 | int (*unload) (struct drm_device *); | |
b932ccb5 | 668 | int (*suspend) (struct drm_device *, pm_message_t state); |
e8b962b6 | 669 | int (*resume) (struct drm_device *); |
c153f45f | 670 | int (*dma_ioctl) (struct drm_device *dev, void *data, struct drm_file *file_priv); |
b5e89ed5 DA |
671 | void (*dma_ready) (struct drm_device *); |
672 | int (*dma_quiescent) (struct drm_device *); | |
84b1fd10 DA |
673 | int (*context_ctor) (struct drm_device *dev, int context); |
674 | int (*context_dtor) (struct drm_device *dev, int context); | |
675 | int (*kernel_context_switch) (struct drm_device *dev, int old, | |
b5e89ed5 | 676 | int new); |
af6061af | 677 | void (*kernel_context_switch_unlock) (struct drm_device *dev); |
af6061af | 678 | int (*dri_library_name) (struct drm_device *dev, char *buf); |
b5e89ed5 | 679 | |
0a3e67a4 JB |
680 | /** |
681 | * get_vblank_counter - get raw hardware vblank counter | |
682 | * @dev: DRM device | |
683 | * @crtc: counter to fetch | |
684 | * | |
685 | * Driver callback for fetching a raw hardware vblank counter | |
686 | * for @crtc. If a device doesn't have a hardware counter, the | |
687 | * driver can simply return the value of drm_vblank_count and | |
688 | * make the enable_vblank() and disable_vblank() hooks into no-ops, | |
689 | * leaving interrupts enabled at all times. | |
690 | * | |
691 | * Wraparound handling and loss of events due to modesetting is dealt | |
692 | * with in the DRM core code. | |
693 | * | |
694 | * RETURNS | |
695 | * Raw vblank counter value. | |
696 | */ | |
697 | u32 (*get_vblank_counter) (struct drm_device *dev, int crtc); | |
698 | ||
699 | /** | |
700 | * enable_vblank - enable vblank interrupt events | |
701 | * @dev: DRM device | |
702 | * @crtc: which irq to enable | |
703 | * | |
704 | * Enable vblank interrupts for @crtc. If the device doesn't have | |
705 | * a hardware vblank counter, this routine should be a no-op, since | |
706 | * interrupts will have to stay on to keep the count accurate. | |
707 | * | |
708 | * RETURNS | |
709 | * Zero on success, appropriate errno if the given @crtc's vblank | |
710 | * interrupt cannot be enabled. | |
711 | */ | |
712 | int (*enable_vblank) (struct drm_device *dev, int crtc); | |
713 | ||
714 | /** | |
715 | * disable_vblank - disable vblank interrupt events | |
716 | * @dev: DRM device | |
717 | * @crtc: which irq to enable | |
718 | * | |
719 | * Disable vblank interrupts for @crtc. If the device doesn't have | |
720 | * a hardware vblank counter, this routine should be a no-op, since | |
721 | * interrupts will have to stay on to keep the count accurate. | |
722 | */ | |
723 | void (*disable_vblank) (struct drm_device *dev, int crtc); | |
724 | ||
cda17380 DA |
725 | /** |
726 | * Called by \c drm_device_is_agp. Typically used to determine if a | |
727 | * card is really attached to AGP or not. | |
728 | * | |
729 | * \param dev DRM device handle | |
730 | * | |
731 | * \returns | |
732 | * One of three values is returned depending on whether or not the | |
733 | * card is absolutely \b not AGP (return of 0), absolutely \b is AGP | |
734 | * (return of 1), or may or may not be AGP (return of 2). | |
735 | */ | |
84b1fd10 | 736 | int (*device_is_agp) (struct drm_device *dev); |
cda17380 | 737 | |
1da177e4 | 738 | /* these have to be filled in */ |
b5e89ed5 | 739 | |
22eae947 | 740 | irqreturn_t(*irq_handler) (DRM_IRQ_ARGS); |
84b1fd10 | 741 | void (*irq_preinstall) (struct drm_device *dev); |
0a3e67a4 | 742 | int (*irq_postinstall) (struct drm_device *dev); |
84b1fd10 | 743 | void (*irq_uninstall) (struct drm_device *dev); |
6c340eac EA |
744 | void (*reclaim_buffers) (struct drm_device *dev, |
745 | struct drm_file * file_priv); | |
d985c108 | 746 | void (*reclaim_buffers_locked) (struct drm_device *dev, |
6c340eac | 747 | struct drm_file *file_priv); |
040ac320 | 748 | void (*reclaim_buffers_idlelocked) (struct drm_device *dev, |
6c340eac | 749 | struct drm_file *file_priv); |
c60ce623 | 750 | unsigned long (*get_map_ofs) (struct drm_map * map); |
84b1fd10 DA |
751 | unsigned long (*get_reg_ofs) (struct drm_device *dev); |
752 | void (*set_version) (struct drm_device *dev, | |
c60ce623 | 753 | struct drm_set_version *sv); |
22eae947 | 754 | |
7c1c2871 DA |
755 | /* Master routines */ |
756 | int (*master_create)(struct drm_device *dev, struct drm_master *master); | |
757 | void (*master_destroy)(struct drm_device *dev, struct drm_master *master); | |
758 | ||
673a394b EA |
759 | int (*proc_init)(struct drm_minor *minor); |
760 | void (*proc_cleanup)(struct drm_minor *minor); | |
761 | ||
762 | /** | |
763 | * Driver-specific constructor for drm_gem_objects, to set up | |
764 | * obj->driver_private. | |
765 | * | |
766 | * Returns 0 on success. | |
767 | */ | |
768 | int (*gem_init_object) (struct drm_gem_object *obj); | |
769 | void (*gem_free_object) (struct drm_gem_object *obj); | |
770 | ||
a2c0a97b JB |
771 | /* Driver private ops for this object */ |
772 | struct vm_operations_struct *gem_vm_ops; | |
773 | ||
22eae947 DA |
774 | int major; |
775 | int minor; | |
776 | int patchlevel; | |
777 | char *name; | |
778 | char *desc; | |
779 | char *date; | |
780 | ||
1da177e4 LT |
781 | u32 driver_features; |
782 | int dev_priv_size; | |
c153f45f | 783 | struct drm_ioctl_desc *ioctls; |
1da177e4 LT |
784 | int num_ioctls; |
785 | struct file_operations fops; | |
786 | struct pci_driver pci_driver; | |
e7f7ab45 DA |
787 | /* List of devices hanging off this driver */ |
788 | struct list_head device_list; | |
1da177e4 LT |
789 | }; |
790 | ||
2c14f28b DA |
791 | #define DRM_MINOR_UNASSIGNED 0 |
792 | #define DRM_MINOR_LEGACY 1 | |
f453ba04 DA |
793 | #define DRM_MINOR_CONTROL 2 |
794 | #define DRM_MINOR_RENDER 3 | |
2c14f28b | 795 | |
1da177e4 | 796 | /** |
2c14f28b | 797 | * DRM minor structure. This structure represents a drm minor number. |
1da177e4 | 798 | */ |
2c14f28b DA |
799 | struct drm_minor { |
800 | int index; /**< Minor device number */ | |
801 | int type; /**< Control or render */ | |
802 | dev_t device; /**< Device number for mknod */ | |
803 | struct device kdev; /**< Linux device */ | |
1da177e4 LT |
804 | struct drm_device *dev; |
805 | struct proc_dir_entry *dev_root; /**< proc directory entry */ | |
7c1c2871 DA |
806 | struct drm_master *master; /* currently active master for this node */ |
807 | struct list_head master_list; | |
f453ba04 | 808 | struct drm_mode_group mode_group; |
84b1fd10 | 809 | }; |
1da177e4 LT |
810 | |
811 | /** | |
812 | * DRM device structure. This structure represent a complete card that | |
813 | * may contain multiple heads. | |
814 | */ | |
84b1fd10 | 815 | struct drm_device { |
e7f7ab45 | 816 | struct list_head driver_item; /**< list of devices per driver */ |
b5e89ed5 DA |
817 | char *devname; /**< For /proc/interrupts */ |
818 | int if_version; /**< Highest interface version set */ | |
1da177e4 | 819 | |
1da177e4 | 820 | /** \name Locks */ |
b5e89ed5 DA |
821 | /*@{ */ |
822 | spinlock_t count_lock; /**< For inuse, drm_device::open_count, drm_device::buf_use */ | |
30e2fb18 | 823 | struct mutex struct_mutex; /**< For others */ |
b5e89ed5 | 824 | /*@} */ |
1da177e4 LT |
825 | |
826 | /** \name Usage Counters */ | |
b5e89ed5 DA |
827 | /*@{ */ |
828 | int open_count; /**< Outstanding files open */ | |
829 | atomic_t ioctl_count; /**< Outstanding IOCTLs pending */ | |
830 | atomic_t vma_count; /**< Outstanding vma areas open */ | |
831 | int buf_use; /**< Buffers in use -- cannot alloc */ | |
832 | atomic_t buf_alloc; /**< Buffer allocation in progress */ | |
833 | /*@} */ | |
1da177e4 LT |
834 | |
835 | /** \name Performance counters */ | |
b5e89ed5 DA |
836 | /*@{ */ |
837 | unsigned long counters; | |
c60ce623 | 838 | enum drm_stat_type types[15]; |
b5e89ed5 DA |
839 | atomic_t counts[15]; |
840 | /*@} */ | |
1da177e4 | 841 | |
bd1b331f | 842 | struct list_head filelist; |
1da177e4 LT |
843 | |
844 | /** \name Memory management */ | |
b5e89ed5 | 845 | /*@{ */ |
bd1b331f | 846 | struct list_head maplist; /**< Linked list of regions */ |
b5e89ed5 | 847 | int map_count; /**< Number of mappable regions */ |
e0be428e | 848 | struct drm_open_hash map_hash; /**< User token hash table for maps */ |
1da177e4 LT |
849 | |
850 | /** \name Context handle management */ | |
b5e89ed5 | 851 | /*@{ */ |
bd1b331f | 852 | struct list_head ctxlist; /**< Linked list of context handles */ |
b5e89ed5 | 853 | int ctx_count; /**< Number of context handles */ |
30e2fb18 | 854 | struct mutex ctxlist_mutex; /**< For ctxlist */ |
1da177e4 | 855 | |
62968144 | 856 | struct idr ctx_idr; |
1da177e4 | 857 | |
bd1b331f | 858 | struct list_head vmalist; /**< List of vmas (for debugging) */ |
f453ba04 | 859 | |
b5e89ed5 | 860 | /*@} */ |
1da177e4 LT |
861 | |
862 | /** \name DMA queues (contexts) */ | |
b5e89ed5 DA |
863 | /*@{ */ |
864 | int queue_count; /**< Number of active DMA queues */ | |
865 | int queue_reserved; /**< Number of reserved DMA queues */ | |
866 | int queue_slots; /**< Actual length of queuelist */ | |
cdd55a29 DA |
867 | struct drm_queue **queuelist; /**< Vector of pointers to DMA queues */ |
868 | struct drm_device_dma *dma; /**< Optional pointer for DMA support */ | |
b5e89ed5 | 869 | /*@} */ |
1da177e4 LT |
870 | |
871 | /** \name Context support */ | |
b5e89ed5 | 872 | /*@{ */ |
b5e89ed5 | 873 | int irq_enabled; /**< True if irq handler is enabled */ |
1da177e4 LT |
874 | __volatile__ long context_flag; /**< Context swapping flag */ |
875 | __volatile__ long interrupt_flag; /**< Interruption handler flag */ | |
876 | __volatile__ long dma_flag; /**< DMA dispatch flag */ | |
877 | struct timer_list timer; /**< Timer for delaying ctx switch */ | |
b5e89ed5 DA |
878 | wait_queue_head_t context_wait; /**< Processes waiting on ctx switch */ |
879 | int last_checked; /**< Last context checked for DMA */ | |
880 | int last_context; /**< Last current context */ | |
881 | unsigned long last_switch; /**< jiffies at last context switch */ | |
882 | /*@} */ | |
883 | ||
884 | struct work_struct work; | |
1da177e4 | 885 | /** \name VBLANK IRQ support */ |
b5e89ed5 DA |
886 | /*@{ */ |
887 | ||
0a3e67a4 JB |
888 | /* |
889 | * At load time, disabling the vblank interrupt won't be allowed since | |
890 | * old clients may not call the modeset ioctl and therefore misbehave. | |
891 | * Once the modeset ioctl *has* been called though, we can safely | |
892 | * disable them when unused. | |
893 | */ | |
894 | int vblank_disable_allowed; | |
895 | ||
896 | wait_queue_head_t *vbl_queue; /**< VBLANK wait queue */ | |
897 | atomic_t *_vblank_count; /**< number of VBLANK interrupts (driver must alloc the right number of counters) */ | |
b5e89ed5 | 898 | spinlock_t vbl_lock; |
0a3e67a4 JB |
899 | atomic_t *vblank_refcount; /* number of users of vblank interruptsper crtc */ |
900 | u32 *last_vblank; /* protected by dev->vbl_lock, used */ | |
901 | /* for wraparound handling */ | |
902 | int *vblank_enabled; /* so we don't call enable more than | |
903 | once per disable */ | |
904 | int *vblank_inmodeset; /* Display driver is setting mode */ | |
fede5c91 | 905 | u32 *last_vblank_wait; /* Last vblank seqno waited per CRTC */ |
0a3e67a4 JB |
906 | struct timer_list vblank_disable_timer; |
907 | ||
908 | u32 max_vblank_count; /**< size of vblank counter register */ | |
b5e89ed5 DA |
909 | |
910 | /*@} */ | |
911 | cycles_t ctx_start; | |
912 | cycles_t lck_start; | |
913 | ||
1da177e4 LT |
914 | struct fasync_struct *buf_async;/**< Processes waiting for SIGIO */ |
915 | wait_queue_head_t buf_readers; /**< Processes waiting to read */ | |
916 | wait_queue_head_t buf_writers; /**< Processes waiting to ctx switch */ | |
917 | ||
55910517 | 918 | struct drm_agp_head *agp; /**< AGP data */ |
1da177e4 | 919 | |
b5e89ed5 | 920 | struct pci_dev *pdev; /**< PCI device structure */ |
2f02cc3f EA |
921 | int pci_vendor; /**< PCI vendor id */ |
922 | int pci_device; /**< PCI device id */ | |
1da177e4 | 923 | #ifdef __alpha__ |
1da177e4 | 924 | struct pci_controller *hose; |
1da177e4 | 925 | #endif |
55910517 | 926 | struct drm_sg_mem *sg; /**< Scatter gather memory */ |
0a3e67a4 | 927 | int num_crtcs; /**< Number of CRTCs on this device */ |
b5e89ed5 | 928 | void *dev_private; /**< device private data */ |
a2c0a97b JB |
929 | void *mm_private; |
930 | struct address_space *dev_mapping; | |
55910517 | 931 | struct drm_sigdata sigdata; /**< For block_all_signals */ |
b5e89ed5 DA |
932 | sigset_t sigmask; |
933 | ||
934 | struct drm_driver *driver; | |
935 | drm_local_map_t *agp_buffer_map; | |
d1f2b55a | 936 | unsigned int agp_buffer_token; |
f453ba04 | 937 | struct drm_minor *control; /**< Control node for card */ |
2c14f28b | 938 | struct drm_minor *primary; /**< render type primary screen head */ |
bea5679f MD |
939 | |
940 | /** \name Drawable information */ | |
941 | /*@{ */ | |
942 | spinlock_t drw_lock; | |
d4e2cbe9 | 943 | struct idr drw_idr; |
bea5679f | 944 | /*@} */ |
673a394b | 945 | |
f453ba04 DA |
946 | struct drm_mode_config mode_config; /**< Current mode config */ |
947 | ||
673a394b EA |
948 | /** \name GEM information */ |
949 | /*@{ */ | |
950 | spinlock_t object_name_lock; | |
951 | struct idr object_name_idr; | |
952 | atomic_t object_count; | |
953 | atomic_t object_memory; | |
954 | atomic_t pin_count; | |
955 | atomic_t pin_memory; | |
956 | atomic_t gtt_count; | |
957 | atomic_t gtt_memory; | |
958 | uint32_t gtt_total; | |
959 | uint32_t invalidate_domains; /* domains pending invalidation */ | |
960 | uint32_t flush_domains; /* domains pending flush */ | |
961 | /*@} */ | |
962 | ||
84b1fd10 | 963 | }; |
1da177e4 | 964 | |
9bfbd5cb JB |
965 | static inline int drm_dev_to_irq(struct drm_device *dev) |
966 | { | |
967 | return dev->pdev->irq; | |
968 | } | |
969 | ||
b5e89ed5 DA |
970 | static __inline__ int drm_core_check_feature(struct drm_device *dev, |
971 | int feature) | |
1da177e4 LT |
972 | { |
973 | return ((dev->driver->driver_features & feature) ? 1 : 0); | |
974 | } | |
975 | ||
33229601 | 976 | #ifdef __alpha__ |
6244270e | 977 | #define drm_get_pci_domain(dev) dev->hose->index |
33229601 | 978 | #else |
9b1a51b6 | 979 | #define drm_get_pci_domain(dev) 0 |
33229601 DA |
980 | #endif |
981 | ||
1da177e4 LT |
982 | #if __OS_HAS_AGP |
983 | static inline int drm_core_has_AGP(struct drm_device *dev) | |
984 | { | |
b5e89ed5 | 985 | return drm_core_check_feature(dev, DRIVER_USE_AGP); |
1da177e4 LT |
986 | } |
987 | #else | |
988 | #define drm_core_has_AGP(dev) (0) | |
989 | #endif | |
990 | ||
991 | #if __OS_HAS_MTRR | |
992 | static inline int drm_core_has_MTRR(struct drm_device *dev) | |
993 | { | |
b5e89ed5 | 994 | return drm_core_check_feature(dev, DRIVER_USE_MTRR); |
1da177e4 | 995 | } |
269dc512 DA |
996 | |
997 | #define DRM_MTRR_WC MTRR_TYPE_WRCOMB | |
998 | ||
999 | static inline int drm_mtrr_add(unsigned long offset, unsigned long size, | |
1000 | unsigned int flags) | |
1001 | { | |
1002 | return mtrr_add(offset, size, flags, 1); | |
1003 | } | |
1004 | ||
1005 | static inline int drm_mtrr_del(int handle, unsigned long offset, | |
1006 | unsigned long size, unsigned int flags) | |
1007 | { | |
1008 | return mtrr_del(handle, offset, size); | |
1009 | } | |
1010 | ||
1da177e4 LT |
1011 | #else |
1012 | #define drm_core_has_MTRR(dev) (0) | |
9c7d462e DA |
1013 | |
1014 | #define DRM_MTRR_WC 0 | |
1015 | ||
1016 | static inline int drm_mtrr_add(unsigned long offset, unsigned long size, | |
1017 | unsigned int flags) | |
1018 | { | |
1019 | return 0; | |
1020 | } | |
1021 | ||
1022 | static inline int drm_mtrr_del(int handle, unsigned long offset, | |
1023 | unsigned long size, unsigned int flags) | |
1024 | { | |
1025 | return 0; | |
1026 | } | |
1da177e4 LT |
1027 | #endif |
1028 | ||
1029 | /******************************************************************/ | |
1030 | /** \name Internal function definitions */ | |
1031 | /*@{*/ | |
1032 | ||
1da177e4 | 1033 | /* Driver support (drm_drv.h) */ |
b5e89ed5 DA |
1034 | extern int drm_init(struct drm_driver *driver); |
1035 | extern void drm_exit(struct drm_driver *driver); | |
1036 | extern int drm_ioctl(struct inode *inode, struct file *filp, | |
1037 | unsigned int cmd, unsigned long arg); | |
1038 | extern long drm_compat_ioctl(struct file *filp, | |
1039 | unsigned int cmd, unsigned long arg); | |
84b1fd10 | 1040 | extern int drm_lastclose(struct drm_device *dev); |
1da177e4 LT |
1041 | |
1042 | /* Device support (drm_fops.h) */ | |
b5e89ed5 DA |
1043 | extern int drm_open(struct inode *inode, struct file *filp); |
1044 | extern int drm_stub_open(struct inode *inode, struct file *filp); | |
b5e89ed5 DA |
1045 | extern int drm_fasync(int fd, struct file *filp, int on); |
1046 | extern int drm_release(struct inode *inode, struct file *filp); | |
1da177e4 LT |
1047 | |
1048 | /* Mapping support (drm_vm.h) */ | |
b5e89ed5 | 1049 | extern int drm_mmap(struct file *filp, struct vm_area_struct *vma); |
a2c0a97b JB |
1050 | extern int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma); |
1051 | extern void drm_vm_open_locked(struct vm_area_struct *vma); | |
ded23359 DA |
1052 | extern unsigned long drm_core_get_map_ofs(struct drm_map * map); |
1053 | extern unsigned long drm_core_get_reg_ofs(struct drm_device *dev); | |
b5e89ed5 | 1054 | extern unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait); |
1da177e4 LT |
1055 | |
1056 | /* Memory management support (drm_memory.h) */ | |
1057 | #include "drm_memory.h" | |
b5e89ed5 DA |
1058 | extern void drm_mem_init(void); |
1059 | extern int drm_mem_info(char *buf, char **start, off_t offset, | |
1060 | int request, int *eof, void *data); | |
1061 | extern void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area); | |
b5e89ed5 | 1062 | |
84b1fd10 | 1063 | extern DRM_AGP_MEM *drm_alloc_agp(struct drm_device *dev, int pages, u32 type); |
b5e89ed5 DA |
1064 | extern int drm_free_agp(DRM_AGP_MEM * handle, int pages); |
1065 | extern int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start); | |
673a394b EA |
1066 | extern DRM_AGP_MEM *drm_agp_bind_pages(struct drm_device *dev, |
1067 | struct page **pages, | |
1068 | unsigned long num_pages, | |
ba1eb1d8 KP |
1069 | uint32_t gtt_offset, |
1070 | uint32_t type); | |
b5e89ed5 | 1071 | extern int drm_unbind_agp(DRM_AGP_MEM * handle); |
1da177e4 LT |
1072 | |
1073 | /* Misc. IOCTL support (drm_ioctl.h) */ | |
c153f45f EA |
1074 | extern int drm_irq_by_busid(struct drm_device *dev, void *data, |
1075 | struct drm_file *file_priv); | |
1076 | extern int drm_getunique(struct drm_device *dev, void *data, | |
1077 | struct drm_file *file_priv); | |
1078 | extern int drm_setunique(struct drm_device *dev, void *data, | |
1079 | struct drm_file *file_priv); | |
1080 | extern int drm_getmap(struct drm_device *dev, void *data, | |
1081 | struct drm_file *file_priv); | |
1082 | extern int drm_getclient(struct drm_device *dev, void *data, | |
1083 | struct drm_file *file_priv); | |
1084 | extern int drm_getstats(struct drm_device *dev, void *data, | |
1085 | struct drm_file *file_priv); | |
1086 | extern int drm_setversion(struct drm_device *dev, void *data, | |
1087 | struct drm_file *file_priv); | |
1088 | extern int drm_noop(struct drm_device *dev, void *data, | |
1089 | struct drm_file *file_priv); | |
1da177e4 LT |
1090 | |
1091 | /* Context IOCTL support (drm_context.h) */ | |
c153f45f EA |
1092 | extern int drm_resctx(struct drm_device *dev, void *data, |
1093 | struct drm_file *file_priv); | |
1094 | extern int drm_addctx(struct drm_device *dev, void *data, | |
1095 | struct drm_file *file_priv); | |
1096 | extern int drm_modctx(struct drm_device *dev, void *data, | |
1097 | struct drm_file *file_priv); | |
1098 | extern int drm_getctx(struct drm_device *dev, void *data, | |
1099 | struct drm_file *file_priv); | |
1100 | extern int drm_switchctx(struct drm_device *dev, void *data, | |
1101 | struct drm_file *file_priv); | |
1102 | extern int drm_newctx(struct drm_device *dev, void *data, | |
1103 | struct drm_file *file_priv); | |
1104 | extern int drm_rmctx(struct drm_device *dev, void *data, | |
1105 | struct drm_file *file_priv); | |
b5e89ed5 | 1106 | |
84b1fd10 DA |
1107 | extern int drm_ctxbitmap_init(struct drm_device *dev); |
1108 | extern void drm_ctxbitmap_cleanup(struct drm_device *dev); | |
1109 | extern void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle); | |
b5e89ed5 | 1110 | |
c153f45f EA |
1111 | extern int drm_setsareactx(struct drm_device *dev, void *data, |
1112 | struct drm_file *file_priv); | |
1113 | extern int drm_getsareactx(struct drm_device *dev, void *data, | |
1114 | struct drm_file *file_priv); | |
1da177e4 LT |
1115 | |
1116 | /* Drawable IOCTL support (drm_drawable.h) */ | |
c153f45f EA |
1117 | extern int drm_adddraw(struct drm_device *dev, void *data, |
1118 | struct drm_file *file_priv); | |
1119 | extern int drm_rmdraw(struct drm_device *dev, void *data, | |
1120 | struct drm_file *file_priv); | |
1121 | extern int drm_update_drawable_info(struct drm_device *dev, void *data, | |
1122 | struct drm_file *file_priv); | |
84b1fd10 | 1123 | extern struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev, |
bea5679f | 1124 | drm_drawable_t id); |
d4e2cbe9 | 1125 | extern void drm_drawable_free_all(struct drm_device *dev); |
1da177e4 LT |
1126 | |
1127 | /* Authentication IOCTL support (drm_auth.h) */ | |
c153f45f EA |
1128 | extern int drm_getmagic(struct drm_device *dev, void *data, |
1129 | struct drm_file *file_priv); | |
1130 | extern int drm_authmagic(struct drm_device *dev, void *data, | |
1131 | struct drm_file *file_priv); | |
1da177e4 | 1132 | |
673a394b EA |
1133 | /* Cache management (drm_cache.c) */ |
1134 | void drm_clflush_pages(struct page *pages[], unsigned long num_pages); | |
1135 | ||
1da177e4 | 1136 | /* Locking IOCTL support (drm_lock.h) */ |
c153f45f EA |
1137 | extern int drm_lock(struct drm_device *dev, void *data, |
1138 | struct drm_file *file_priv); | |
1139 | extern int drm_unlock(struct drm_device *dev, void *data, | |
1140 | struct drm_file *file_priv); | |
55910517 DA |
1141 | extern int drm_lock_take(struct drm_lock_data *lock_data, unsigned int context); |
1142 | extern int drm_lock_free(struct drm_lock_data *lock_data, unsigned int context); | |
1143 | extern void drm_idlelock_take(struct drm_lock_data *lock_data); | |
1144 | extern void drm_idlelock_release(struct drm_lock_data *lock_data); | |
040ac320 TH |
1145 | |
1146 | /* | |
1147 | * These are exported to drivers so that they can implement fencing using | |
1148 | * DMA quiscent + idle. DMA quiescent usually requires the hardware lock. | |
1149 | */ | |
1150 | ||
c153f45f | 1151 | extern int drm_i_have_hw_lock(struct drm_device *dev, struct drm_file *file_priv); |
1da177e4 LT |
1152 | |
1153 | /* Buffer management support (drm_bufs.h) */ | |
84b1fd10 DA |
1154 | extern int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc * request); |
1155 | extern int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc * request); | |
1156 | extern int drm_addmap(struct drm_device *dev, unsigned int offset, | |
c60ce623 DA |
1157 | unsigned int size, enum drm_map_type type, |
1158 | enum drm_map_flags flags, drm_local_map_t ** map_ptr); | |
c153f45f EA |
1159 | extern int drm_addmap_ioctl(struct drm_device *dev, void *data, |
1160 | struct drm_file *file_priv); | |
1161 | extern int drm_rmmap(struct drm_device *dev, drm_local_map_t *map); | |
1162 | extern int drm_rmmap_locked(struct drm_device *dev, drm_local_map_t *map); | |
1163 | extern int drm_rmmap_ioctl(struct drm_device *dev, void *data, | |
1164 | struct drm_file *file_priv); | |
1165 | extern int drm_addbufs(struct drm_device *dev, void *data, | |
1166 | struct drm_file *file_priv); | |
1167 | extern int drm_infobufs(struct drm_device *dev, void *data, | |
1168 | struct drm_file *file_priv); | |
1169 | extern int drm_markbufs(struct drm_device *dev, void *data, | |
1170 | struct drm_file *file_priv); | |
1171 | extern int drm_freebufs(struct drm_device *dev, void *data, | |
1172 | struct drm_file *file_priv); | |
1173 | extern int drm_mapbufs(struct drm_device *dev, void *data, | |
1174 | struct drm_file *file_priv); | |
b5e89ed5 | 1175 | extern int drm_order(unsigned long size); |
84b1fd10 | 1176 | extern unsigned long drm_get_resource_start(struct drm_device *dev, |
836cf046 | 1177 | unsigned int resource); |
84b1fd10 | 1178 | extern unsigned long drm_get_resource_len(struct drm_device *dev, |
836cf046 | 1179 | unsigned int resource); |
1da177e4 LT |
1180 | |
1181 | /* DMA support (drm_dma.h) */ | |
84b1fd10 DA |
1182 | extern int drm_dma_setup(struct drm_device *dev); |
1183 | extern void drm_dma_takedown(struct drm_device *dev); | |
056219e2 | 1184 | extern void drm_free_buffer(struct drm_device *dev, struct drm_buf * buf); |
6c340eac EA |
1185 | extern void drm_core_reclaim_buffers(struct drm_device *dev, |
1186 | struct drm_file *filp); | |
1da177e4 LT |
1187 | |
1188 | /* IRQ support (drm_irq.h) */ | |
c153f45f EA |
1189 | extern int drm_control(struct drm_device *dev, void *data, |
1190 | struct drm_file *file_priv); | |
b5e89ed5 | 1191 | extern irqreturn_t drm_irq_handler(DRM_IRQ_ARGS); |
dbb19d30 | 1192 | extern int drm_irq_install(struct drm_device *dev); |
84b1fd10 DA |
1193 | extern int drm_irq_uninstall(struct drm_device *dev); |
1194 | extern void drm_driver_irq_preinstall(struct drm_device *dev); | |
1195 | extern void drm_driver_irq_postinstall(struct drm_device *dev); | |
1196 | extern void drm_driver_irq_uninstall(struct drm_device *dev); | |
b5e89ed5 | 1197 | |
0a3e67a4 | 1198 | extern int drm_vblank_init(struct drm_device *dev, int num_crtcs); |
af6061af | 1199 | extern int drm_wait_vblank(struct drm_device *dev, void *data, |
0a3e67a4 | 1200 | struct drm_file *filp); |
af6061af | 1201 | extern int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq); |
0a3e67a4 JB |
1202 | extern u32 drm_vblank_count(struct drm_device *dev, int crtc); |
1203 | extern void drm_handle_vblank(struct drm_device *dev, int crtc); | |
1204 | extern int drm_vblank_get(struct drm_device *dev, int crtc); | |
1205 | extern void drm_vblank_put(struct drm_device *dev, int crtc); | |
52440211 | 1206 | extern void drm_vblank_cleanup(struct drm_device *dev); |
0a3e67a4 | 1207 | /* Modesetting support */ |
f453ba04 DA |
1208 | extern void drm_vblank_pre_modeset(struct drm_device *dev, int crtc); |
1209 | extern void drm_vblank_post_modeset(struct drm_device *dev, int crtc); | |
0a3e67a4 JB |
1210 | extern int drm_modeset_ctl(struct drm_device *dev, void *data, |
1211 | struct drm_file *file_priv); | |
1da177e4 LT |
1212 | |
1213 | /* AGP/GART support (drm_agpsupport.h) */ | |
55910517 | 1214 | extern struct drm_agp_head *drm_agp_init(struct drm_device *dev); |
84b1fd10 | 1215 | extern int drm_agp_acquire(struct drm_device *dev); |
c153f45f EA |
1216 | extern int drm_agp_acquire_ioctl(struct drm_device *dev, void *data, |
1217 | struct drm_file *file_priv); | |
84b1fd10 | 1218 | extern int drm_agp_release(struct drm_device *dev); |
c153f45f EA |
1219 | extern int drm_agp_release_ioctl(struct drm_device *dev, void *data, |
1220 | struct drm_file *file_priv); | |
84b1fd10 | 1221 | extern int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode); |
c153f45f EA |
1222 | extern int drm_agp_enable_ioctl(struct drm_device *dev, void *data, |
1223 | struct drm_file *file_priv); | |
1224 | extern int drm_agp_info(struct drm_device *dev, struct drm_agp_info *info); | |
1225 | extern int drm_agp_info_ioctl(struct drm_device *dev, void *data, | |
1226 | struct drm_file *file_priv); | |
84b1fd10 | 1227 | extern int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request); |
c153f45f EA |
1228 | extern int drm_agp_alloc_ioctl(struct drm_device *dev, void *data, |
1229 | struct drm_file *file_priv); | |
84b1fd10 | 1230 | extern int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request); |
c153f45f EA |
1231 | extern int drm_agp_free_ioctl(struct drm_device *dev, void *data, |
1232 | struct drm_file *file_priv); | |
84b1fd10 | 1233 | extern int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request); |
c153f45f EA |
1234 | extern int drm_agp_unbind_ioctl(struct drm_device *dev, void *data, |
1235 | struct drm_file *file_priv); | |
84b1fd10 | 1236 | extern int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request); |
c153f45f EA |
1237 | extern int drm_agp_bind_ioctl(struct drm_device *dev, void *data, |
1238 | struct drm_file *file_priv); | |
1239 | extern DRM_AGP_MEM *drm_agp_allocate_memory(struct agp_bridge_data *bridge, size_t pages, u32 type); | |
b5e89ed5 DA |
1240 | extern int drm_agp_free_memory(DRM_AGP_MEM * handle); |
1241 | extern int drm_agp_bind_memory(DRM_AGP_MEM * handle, off_t start); | |
1242 | extern int drm_agp_unbind_memory(DRM_AGP_MEM * handle); | |
673a394b | 1243 | extern void drm_agp_chipset_flush(struct drm_device *dev); |
1da177e4 LT |
1244 | |
1245 | /* Stub support (drm_stub.h) */ | |
7c1c2871 DA |
1246 | extern int drm_setmaster_ioctl(struct drm_device *dev, void *data, |
1247 | struct drm_file *file_priv); | |
1248 | extern int drm_dropmaster_ioctl(struct drm_device *dev, void *data, | |
1249 | struct drm_file *file_priv); | |
1250 | struct drm_master *drm_master_create(struct drm_minor *minor); | |
1251 | extern struct drm_master *drm_master_get(struct drm_master *master); | |
1252 | extern void drm_master_put(struct drm_master **master); | |
1da177e4 | 1253 | extern int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent, |
b5e89ed5 | 1254 | struct drm_driver *driver); |
84b1fd10 | 1255 | extern int drm_put_dev(struct drm_device *dev); |
2c14f28b | 1256 | extern int drm_put_minor(struct drm_minor **minor); |
b5e89ed5 | 1257 | extern unsigned int drm_debug; |
2c14f28b | 1258 | |
0650fd58 | 1259 | extern struct class *drm_class; |
1da177e4 LT |
1260 | extern struct proc_dir_entry *drm_proc_root; |
1261 | ||
2c14f28b DA |
1262 | extern struct idr drm_minors_idr; |
1263 | ||
da509d7a DA |
1264 | extern drm_local_map_t *drm_getsarea(struct drm_device *dev); |
1265 | ||
1da177e4 | 1266 | /* Proc support (drm_proc.h) */ |
2c14f28b DA |
1267 | extern int drm_proc_init(struct drm_minor *minor, int minor_id, |
1268 | struct proc_dir_entry *root); | |
1269 | extern int drm_proc_cleanup(struct drm_minor *minor, struct proc_dir_entry *root); | |
1da177e4 LT |
1270 | |
1271 | /* Scatter Gather Support (drm_scatter.h) */ | |
55910517 | 1272 | extern void drm_sg_cleanup(struct drm_sg_mem * entry); |
c153f45f EA |
1273 | extern int drm_sg_alloc_ioctl(struct drm_device *dev, void *data, |
1274 | struct drm_file *file_priv); | |
1275 | extern int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request); | |
1276 | extern int drm_sg_free(struct drm_device *dev, void *data, | |
1277 | struct drm_file *file_priv); | |
1da177e4 | 1278 | |
b5e89ed5 | 1279 | /* ATI PCIGART support (ati_pcigart.h) */ |
84b1fd10 | 1280 | extern int drm_ati_pcigart_init(struct drm_device *dev, |
55910517 | 1281 | struct drm_ati_pcigart_info * gart_info); |
84b1fd10 | 1282 | extern int drm_ati_pcigart_cleanup(struct drm_device *dev, |
55910517 | 1283 | struct drm_ati_pcigart_info * gart_info); |
1da177e4 | 1284 | |
84b1fd10 | 1285 | extern drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size, |
9c8da5eb | 1286 | size_t align, dma_addr_t maxaddr); |
84b1fd10 DA |
1287 | extern void __drm_pci_free(struct drm_device *dev, drm_dma_handle_t * dmah); |
1288 | extern void drm_pci_free(struct drm_device *dev, drm_dma_handle_t * dmah); | |
1da177e4 LT |
1289 | |
1290 | /* sysfs support (drm_sysfs.c) */ | |
e8b962b6 | 1291 | struct drm_sysfs_class; |
0650fd58 | 1292 | extern struct class *drm_sysfs_create(struct module *owner, char *name); |
e8b962b6 | 1293 | extern void drm_sysfs_destroy(void); |
2c14f28b | 1294 | extern int drm_sysfs_device_add(struct drm_minor *minor); |
f453ba04 | 1295 | extern void drm_sysfs_hotplug_event(struct drm_device *dev); |
2c14f28b | 1296 | extern void drm_sysfs_device_remove(struct drm_minor *minor); |
f453ba04 DA |
1297 | extern char *drm_get_connector_status_name(enum drm_connector_status status); |
1298 | extern int drm_sysfs_connector_add(struct drm_connector *connector); | |
1299 | extern void drm_sysfs_connector_remove(struct drm_connector *connector); | |
1da177e4 | 1300 | |
3a1bd924 TH |
1301 | /* |
1302 | * Basic memory manager support (drm_mm.c) | |
1303 | */ | |
55910517 | 1304 | extern struct drm_mm_node *drm_mm_get_block(struct drm_mm_node * parent, |
3a1bd924 TH |
1305 | unsigned long size, |
1306 | unsigned alignment); | |
8562b3f2 | 1307 | extern void drm_mm_put_block(struct drm_mm_node * cur); |
55910517 | 1308 | extern struct drm_mm_node *drm_mm_search_free(const struct drm_mm *mm, unsigned long size, |
3a1bd924 | 1309 | unsigned alignment, int best_match); |
55910517 DA |
1310 | extern int drm_mm_init(struct drm_mm *mm, unsigned long start, unsigned long size); |
1311 | extern void drm_mm_takedown(struct drm_mm *mm); | |
1312 | extern int drm_mm_clean(struct drm_mm *mm); | |
1313 | extern unsigned long drm_mm_tail_space(struct drm_mm *mm); | |
1314 | extern int drm_mm_remove_space_from_tail(struct drm_mm *mm, unsigned long size); | |
1315 | extern int drm_mm_add_space_to_tail(struct drm_mm *mm, unsigned long size); | |
3a1bd924 | 1316 | |
673a394b EA |
1317 | /* Graphics Execution Manager library functions (drm_gem.c) */ |
1318 | int drm_gem_init(struct drm_device *dev); | |
a2c0a97b | 1319 | void drm_gem_destroy(struct drm_device *dev); |
673a394b EA |
1320 | void drm_gem_object_free(struct kref *kref); |
1321 | struct drm_gem_object *drm_gem_object_alloc(struct drm_device *dev, | |
1322 | size_t size); | |
1323 | void drm_gem_object_handle_free(struct kref *kref); | |
ab00b3e5 JB |
1324 | void drm_gem_vm_open(struct vm_area_struct *vma); |
1325 | void drm_gem_vm_close(struct vm_area_struct *vma); | |
a2c0a97b | 1326 | int drm_gem_mmap(struct file *filp, struct vm_area_struct *vma); |
673a394b EA |
1327 | |
1328 | static inline void | |
1329 | drm_gem_object_reference(struct drm_gem_object *obj) | |
1330 | { | |
1331 | kref_get(&obj->refcount); | |
1332 | } | |
1333 | ||
1334 | static inline void | |
1335 | drm_gem_object_unreference(struct drm_gem_object *obj) | |
1336 | { | |
1337 | if (obj == NULL) | |
1338 | return; | |
1339 | ||
1340 | kref_put(&obj->refcount, drm_gem_object_free); | |
1341 | } | |
1342 | ||
1343 | int drm_gem_handle_create(struct drm_file *file_priv, | |
1344 | struct drm_gem_object *obj, | |
1345 | int *handlep); | |
1346 | ||
1347 | static inline void | |
1348 | drm_gem_object_handle_reference(struct drm_gem_object *obj) | |
1349 | { | |
1350 | drm_gem_object_reference(obj); | |
1351 | kref_get(&obj->handlecount); | |
1352 | } | |
1353 | ||
1354 | static inline void | |
1355 | drm_gem_object_handle_unreference(struct drm_gem_object *obj) | |
1356 | { | |
1357 | if (obj == NULL) | |
1358 | return; | |
1359 | ||
1360 | /* | |
1361 | * Must bump handle count first as this may be the last | |
1362 | * ref, in which case the object would disappear before we | |
1363 | * checked for a name | |
1364 | */ | |
1365 | kref_put(&obj->handlecount, drm_gem_object_handle_free); | |
1366 | drm_gem_object_unreference(obj); | |
1367 | } | |
1368 | ||
1369 | struct drm_gem_object *drm_gem_object_lookup(struct drm_device *dev, | |
1370 | struct drm_file *filp, | |
1371 | int handle); | |
1372 | int drm_gem_close_ioctl(struct drm_device *dev, void *data, | |
1373 | struct drm_file *file_priv); | |
1374 | int drm_gem_flink_ioctl(struct drm_device *dev, void *data, | |
1375 | struct drm_file *file_priv); | |
1376 | int drm_gem_open_ioctl(struct drm_device *dev, void *data, | |
1377 | struct drm_file *file_priv); | |
1378 | void drm_gem_open(struct drm_device *dev, struct drm_file *file_private); | |
1379 | void drm_gem_release(struct drm_device *dev, struct drm_file *file_private); | |
1380 | ||
004a7727 | 1381 | extern void drm_core_ioremap(struct drm_map *map, struct drm_device *dev); |
242e3df8 | 1382 | extern void drm_core_ioremap_wc(struct drm_map *map, struct drm_device *dev); |
004a7727 | 1383 | extern void drm_core_ioremapfree(struct drm_map *map, struct drm_device *dev); |
1da177e4 | 1384 | |
b5e89ed5 DA |
1385 | static __inline__ struct drm_map *drm_core_findmap(struct drm_device *dev, |
1386 | unsigned int token) | |
1da177e4 | 1387 | { |
55910517 | 1388 | struct drm_map_list *_entry; |
bd1b331f | 1389 | list_for_each_entry(_entry, &dev->maplist, head) |
b5e89ed5 DA |
1390 | if (_entry->user_token == token) |
1391 | return _entry->map; | |
1da177e4 LT |
1392 | return NULL; |
1393 | } | |
1394 | ||
84b1fd10 | 1395 | static __inline__ int drm_device_is_agp(struct drm_device *dev) |
cda17380 | 1396 | { |
b5e89ed5 DA |
1397 | if (dev->driver->device_is_agp != NULL) { |
1398 | int err = (*dev->driver->device_is_agp) (dev); | |
1399 | ||
cda17380 DA |
1400 | if (err != 2) { |
1401 | return err; | |
1402 | } | |
1403 | } | |
1404 | ||
1405 | return pci_find_capability(dev->pdev, PCI_CAP_ID_AGP); | |
1406 | } | |
1407 | ||
84b1fd10 | 1408 | static __inline__ int drm_device_is_pcie(struct drm_device *dev) |
ea98a92f DA |
1409 | { |
1410 | return pci_find_capability(dev->pdev, PCI_CAP_ID_EXP); | |
1411 | } | |
1412 | ||
1da177e4 LT |
1413 | static __inline__ void drm_core_dropmap(struct drm_map *map) |
1414 | { | |
1415 | } | |
1416 | ||
1417 | #ifndef DEBUG_MEMORY | |
1418 | /** Wrapper around kmalloc() */ | |
1419 | static __inline__ void *drm_alloc(size_t size, int area) | |
1420 | { | |
1421 | return kmalloc(size, GFP_KERNEL); | |
1422 | } | |
1423 | ||
1424 | /** Wrapper around kfree() */ | |
1425 | static __inline__ void drm_free(void *pt, size_t size, int area) | |
1426 | { | |
1427 | kfree(pt); | |
1428 | } | |
b9523249 DA |
1429 | |
1430 | /** Wrapper around kcalloc() */ | |
1431 | static __inline__ void *drm_calloc(size_t nmemb, size_t size, int area) | |
1432 | { | |
1433 | return kcalloc(nmemb, size, GFP_KERNEL); | |
1434 | } | |
1da177e4 LT |
1435 | #else |
1436 | extern void *drm_alloc(size_t size, int area); | |
1437 | extern void drm_free(void *pt, size_t size, int area); | |
b9523249 | 1438 | extern void *drm_calloc(size_t nmemb, size_t size, int area); |
1da177e4 LT |
1439 | #endif |
1440 | ||
1441 | /*@}*/ | |
1442 | ||
b5e89ed5 | 1443 | #endif /* __KERNEL__ */ |
1da177e4 | 1444 | #endif |