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. | |
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 */ | |
57 | #include <linux/mm.h> | |
58 | #include <linux/cdev.h> | |
30e2fb18 | 59 | #include <linux/mutex.h> |
1da177e4 | 60 | #if defined(__alpha__) || defined(__powerpc__) |
b5e89ed5 | 61 | #include <asm/pgtable.h> /* For pte_wrprotect */ |
1da177e4 LT |
62 | #endif |
63 | #include <asm/io.h> | |
64 | #include <asm/mman.h> | |
65 | #include <asm/uaccess.h> | |
66 | #ifdef CONFIG_MTRR | |
67 | #include <asm/mtrr.h> | |
68 | #endif | |
69 | #if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) | |
70 | #include <linux/types.h> | |
71 | #include <linux/agp_backend.h> | |
72 | #endif | |
73 | #include <linux/workqueue.h> | |
74 | #include <linux/poll.h> | |
75 | #include <asm/pgalloc.h> | |
76 | #include "drm.h" | |
77 | ||
62968144 DA |
78 | #include <linux/idr.h> |
79 | ||
1da177e4 LT |
80 | #define __OS_HAS_AGP (defined(CONFIG_AGP) || (defined(CONFIG_AGP_MODULE) && defined(MODULE))) |
81 | #define __OS_HAS_MTRR (defined(CONFIG_MTRR)) | |
82 | ||
83 | #include "drm_os_linux.h" | |
3a1bd924 | 84 | #include "drm_hashtab.h" |
1da177e4 LT |
85 | |
86 | /***********************************************************************/ | |
87 | /** \name DRM template customization defaults */ | |
88 | /*@{*/ | |
89 | ||
90 | /* driver capabilities and requirements mask */ | |
91 | #define DRIVER_USE_AGP 0x1 | |
92 | #define DRIVER_REQUIRE_AGP 0x2 | |
93 | #define DRIVER_USE_MTRR 0x4 | |
94 | #define DRIVER_PCI_DMA 0x8 | |
95 | #define DRIVER_SG 0x10 | |
96 | #define DRIVER_HAVE_DMA 0x20 | |
97 | #define DRIVER_HAVE_IRQ 0x40 | |
98 | #define DRIVER_IRQ_SHARED 0x80 | |
99 | #define DRIVER_IRQ_VBL 0x100 | |
100 | #define DRIVER_DMA_QUEUE 0x200 | |
b84397d6 | 101 | #define DRIVER_FB_DMA 0x400 |
776c9443 | 102 | #define DRIVER_IRQ_VBL2 0x800 |
1da177e4 LT |
103 | |
104 | /***********************************************************************/ | |
105 | /** \name Begin the DRM... */ | |
106 | /*@{*/ | |
107 | ||
108 | #define DRM_DEBUG_CODE 2 /**< Include debugging code if > 1, then | |
109 | also include looping detection. */ | |
110 | ||
8669cbc5 | 111 | #define DRM_MAGIC_HASH_ORDER 4 /**< Size of key hash table. Must be power of 2. */ |
1da177e4 LT |
112 | #define DRM_KERNEL_CONTEXT 0 /**< Change drm_resctx if changed */ |
113 | #define DRM_RESERVED_CONTEXTS 1 /**< Change drm_resctx if changed */ | |
114 | #define DRM_LOOPING_LIMIT 5000000 | |
1da177e4 LT |
115 | #define DRM_TIME_SLICE (HZ/20) /**< Time slice for GLXContexts */ |
116 | #define DRM_LOCK_SLICE 1 /**< Time slice for lock, in jiffies */ | |
117 | ||
118 | #define DRM_FLAG_DEBUG 0x01 | |
119 | ||
120 | #define DRM_MEM_DMA 0 | |
121 | #define DRM_MEM_SAREA 1 | |
122 | #define DRM_MEM_DRIVER 2 | |
123 | #define DRM_MEM_MAGIC 3 | |
124 | #define DRM_MEM_IOCTLS 4 | |
125 | #define DRM_MEM_MAPS 5 | |
126 | #define DRM_MEM_VMAS 6 | |
127 | #define DRM_MEM_BUFS 7 | |
128 | #define DRM_MEM_SEGS 8 | |
129 | #define DRM_MEM_PAGES 9 | |
130 | #define DRM_MEM_FILES 10 | |
131 | #define DRM_MEM_QUEUES 11 | |
132 | #define DRM_MEM_CMDS 12 | |
133 | #define DRM_MEM_MAPPINGS 13 | |
134 | #define DRM_MEM_BUFLISTS 14 | |
135 | #define DRM_MEM_AGPLISTS 15 | |
136 | #define DRM_MEM_TOTALAGP 16 | |
137 | #define DRM_MEM_BOUNDAGP 17 | |
138 | #define DRM_MEM_CTXBITMAP 18 | |
139 | #define DRM_MEM_STUB 19 | |
140 | #define DRM_MEM_SGLISTS 20 | |
3a1bd924 TH |
141 | #define DRM_MEM_CTXLIST 21 |
142 | #define DRM_MEM_MM 22 | |
143 | #define DRM_MEM_HASHTAB 23 | |
1da177e4 LT |
144 | |
145 | #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) | |
8d153f71 | 146 | #define DRM_MAP_HASH_OFFSET 0x10000000 |
1da177e4 | 147 | |
b5e89ed5 | 148 | /*@}*/ |
1da177e4 | 149 | |
1da177e4 LT |
150 | /***********************************************************************/ |
151 | /** \name Macros to make printk easier */ | |
152 | /*@{*/ | |
153 | ||
154 | /** | |
155 | * Error output. | |
156 | * | |
157 | * \param fmt printf() like format string. | |
158 | * \param arg arguments | |
159 | */ | |
160 | #define DRM_ERROR(fmt, arg...) \ | |
161 | printk(KERN_ERR "[" DRM_NAME ":%s] *ERROR* " fmt , __FUNCTION__ , ##arg) | |
162 | ||
163 | /** | |
164 | * Memory error output. | |
165 | * | |
166 | * \param area memory area where the error occurred. | |
167 | * \param fmt printf() like format string. | |
168 | * \param arg arguments | |
169 | */ | |
170 | #define DRM_MEM_ERROR(area, fmt, arg...) \ | |
171 | printk(KERN_ERR "[" DRM_NAME ":%s:%s] *ERROR* " fmt , __FUNCTION__, \ | |
172 | drm_mem_stats[area].name , ##arg) | |
173 | ||
174 | #define DRM_INFO(fmt, arg...) printk(KERN_INFO "[" DRM_NAME "] " fmt , ##arg) | |
175 | ||
176 | /** | |
177 | * Debug output. | |
b5e89ed5 | 178 | * |
1da177e4 LT |
179 | * \param fmt printf() like format string. |
180 | * \param arg arguments | |
181 | */ | |
182 | #if DRM_DEBUG_CODE | |
183 | #define DRM_DEBUG(fmt, arg...) \ | |
184 | do { \ | |
185 | if ( drm_debug ) \ | |
186 | printk(KERN_DEBUG \ | |
187 | "[" DRM_NAME ":%s] " fmt , \ | |
188 | __FUNCTION__ , ##arg); \ | |
189 | } while (0) | |
190 | #else | |
191 | #define DRM_DEBUG(fmt, arg...) do { } while (0) | |
192 | #endif | |
193 | ||
194 | #define DRM_PROC_LIMIT (PAGE_SIZE-80) | |
195 | ||
196 | #define DRM_PROC_PRINT(fmt, arg...) \ | |
197 | len += sprintf(&buf[len], fmt , ##arg); \ | |
198 | if (len > DRM_PROC_LIMIT) { *eof = 1; return len - offset; } | |
199 | ||
200 | #define DRM_PROC_PRINT_RET(ret, fmt, arg...) \ | |
201 | len += sprintf(&buf[len], fmt , ##arg); \ | |
202 | if (len > DRM_PROC_LIMIT) { ret; *eof = 1; return len - offset; } | |
203 | ||
204 | /*@}*/ | |
205 | ||
1da177e4 LT |
206 | /***********************************************************************/ |
207 | /** \name Internal types and structures */ | |
208 | /*@{*/ | |
209 | ||
99a2657a | 210 | #define DRM_ARRAY_SIZE(x) ARRAY_SIZE(x) |
1da177e4 LT |
211 | |
212 | #define DRM_LEFTCOUNT(x) (((x)->rp + (x)->count - (x)->wp) % ((x)->count + 1)) | |
213 | #define DRM_BUFCOUNT(x) ((x)->count - DRM_LEFTCOUNT(x)) | |
214 | #define DRM_WAITCOUNT(dev,idx) DRM_BUFCOUNT(&dev->queuelist[idx]->waitlist) | |
215 | ||
216 | #define DRM_IF_VERSION(maj, min) (maj << 16 | min) | |
217 | /** | |
218 | * Get the private SAREA mapping. | |
219 | * | |
220 | * \param _dev DRM device. | |
221 | * \param _ctx context number. | |
222 | * \param _map output mapping. | |
223 | */ | |
224 | #define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \ | |
225 | (_map) = (_dev)->context_sareas[_ctx]; \ | |
226 | } while(0) | |
227 | ||
228 | /** | |
229 | * Test that the hardware lock is held by the caller, returning otherwise. | |
230 | * | |
231 | * \param dev DRM device. | |
232 | * \param filp file pointer of the caller. | |
233 | */ | |
234 | #define LOCK_TEST_WITH_RETURN( dev, filp ) \ | |
235 | do { \ | |
236 | if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || \ | |
237 | dev->lock.filp != filp ) { \ | |
238 | DRM_ERROR( "%s called without lock held\n", \ | |
239 | __FUNCTION__ ); \ | |
240 | return -EINVAL; \ | |
241 | } \ | |
242 | } while (0) | |
243 | ||
244 | /** | |
245 | * Copy and IOCTL return string to user space | |
246 | */ | |
247 | #define DRM_COPY( name, value ) \ | |
248 | len = strlen( value ); \ | |
249 | if ( len > name##_len ) len = name##_len; \ | |
250 | name##_len = strlen( value ); \ | |
251 | if ( len && name ) { \ | |
252 | if ( copy_to_user( name, value, len ) ) \ | |
253 | return -EFAULT; \ | |
254 | } | |
b5e89ed5 | 255 | |
1da177e4 LT |
256 | /** |
257 | * Ioctl function type. | |
258 | * | |
259 | * \param inode device inode. | |
260 | * \param filp file pointer. | |
261 | * \param cmd command. | |
262 | * \param arg argument. | |
263 | */ | |
b5e89ed5 DA |
264 | typedef int drm_ioctl_t(struct inode *inode, struct file *filp, |
265 | unsigned int cmd, unsigned long arg); | |
1da177e4 | 266 | |
9a186645 DA |
267 | typedef int drm_ioctl_compat_t(struct file *filp, unsigned int cmd, |
268 | unsigned long arg); | |
269 | ||
a7a2cc31 DA |
270 | #define DRM_AUTH 0x1 |
271 | #define DRM_MASTER 0x2 | |
272 | #define DRM_ROOT_ONLY 0x4 | |
273 | ||
1da177e4 | 274 | typedef struct drm_ioctl_desc { |
b5e89ed5 | 275 | drm_ioctl_t *func; |
a7a2cc31 | 276 | int flags; |
1da177e4 LT |
277 | } drm_ioctl_desc_t; |
278 | ||
8fc2fdf4 | 279 | struct drm_magic_entry { |
8669cbc5 | 280 | struct list_head head; |
e0be428e | 281 | struct drm_hash_item hash_item; |
b5e89ed5 | 282 | struct drm_file *priv; |
1da177e4 | 283 | struct drm_magic_entry *next; |
8fc2fdf4 | 284 | }; |
1da177e4 | 285 | |
8fc2fdf4 | 286 | struct drm_vma_entry { |
bd1b331f | 287 | struct list_head head; |
1da177e4 | 288 | struct vm_area_struct *vma; |
b5e89ed5 | 289 | pid_t pid; |
8fc2fdf4 | 290 | }; |
1da177e4 LT |
291 | |
292 | /** | |
293 | * DMA buffer. | |
294 | */ | |
056219e2 | 295 | struct drm_buf { |
b5e89ed5 DA |
296 | int idx; /**< Index into master buflist */ |
297 | int total; /**< Buffer size */ | |
298 | int order; /**< log-base-2(total) */ | |
299 | int used; /**< Amount of buffer in use (for DMA) */ | |
300 | unsigned long offset; /**< Byte offset (used internally) */ | |
301 | void *address; /**< Address of buffer */ | |
302 | unsigned long bus_address; /**< Bus address of buffer */ | |
303 | struct drm_buf *next; /**< Kernel-only: used for free list */ | |
304 | __volatile__ int waiting; /**< On kernel DMA queue */ | |
305 | __volatile__ int pending; /**< On hardware DMA queue */ | |
1da177e4 | 306 | wait_queue_head_t dma_wait; /**< Processes waiting */ |
b5e89ed5 DA |
307 | struct file *filp; /**< Pointer to holding file descr */ |
308 | int context; /**< Kernel queue for this buffer */ | |
309 | int while_locked; /**< Dispatch this buffer while locked */ | |
1da177e4 | 310 | enum { |
b5e89ed5 DA |
311 | DRM_LIST_NONE = 0, |
312 | DRM_LIST_FREE = 1, | |
313 | DRM_LIST_WAIT = 2, | |
314 | DRM_LIST_PEND = 3, | |
315 | DRM_LIST_PRIO = 4, | |
1da177e4 | 316 | DRM_LIST_RECLAIM = 5 |
b5e89ed5 | 317 | } list; /**< Which list we're on */ |
1da177e4 | 318 | |
b5e89ed5 DA |
319 | int dev_priv_size; /**< Size of buffer private storage */ |
320 | void *dev_private; /**< Per-buffer private storage */ | |
056219e2 | 321 | }; |
1da177e4 | 322 | |
1da177e4 | 323 | /** bufs is one longer than it has to be */ |
cdd55a29 | 324 | struct drm_waitlist { |
b5e89ed5 | 325 | int count; /**< Number of possible buffers */ |
056219e2 DA |
326 | struct drm_buf **bufs; /**< List of pointers to buffers */ |
327 | struct drm_buf **rp; /**< Read pointer */ | |
328 | struct drm_buf **wp; /**< Write pointer */ | |
329 | struct drm_buf **end; /**< End pointer */ | |
b5e89ed5 DA |
330 | spinlock_t read_lock; |
331 | spinlock_t write_lock; | |
cdd55a29 | 332 | }; |
1da177e4 | 333 | |
cdd55a29 | 334 | struct drm_freelist { |
b5e89ed5 DA |
335 | int initialized; /**< Freelist in use */ |
336 | atomic_t count; /**< Number of free buffers */ | |
056219e2 | 337 | struct drm_buf *next; /**< End pointer */ |
1da177e4 LT |
338 | |
339 | wait_queue_head_t waiting; /**< Processes waiting on free bufs */ | |
b5e89ed5 DA |
340 | int low_mark; /**< Low water mark */ |
341 | int high_mark; /**< High water mark */ | |
342 | atomic_t wfh; /**< If waiting for high mark */ | |
343 | spinlock_t lock; | |
cdd55a29 | 344 | }; |
1da177e4 | 345 | |
ddf19b97 DA |
346 | typedef struct drm_dma_handle { |
347 | dma_addr_t busaddr; | |
348 | void *vaddr; | |
349 | size_t size; | |
350 | } drm_dma_handle_t; | |
351 | ||
1da177e4 LT |
352 | /** |
353 | * Buffer entry. There is one of this for each buffer size order. | |
354 | */ | |
cdd55a29 | 355 | struct drm_buf_entry { |
b5e89ed5 DA |
356 | int buf_size; /**< size */ |
357 | int buf_count; /**< number of buffers */ | |
056219e2 | 358 | struct drm_buf *buflist; /**< buffer list */ |
b5e89ed5 DA |
359 | int seg_count; |
360 | int page_order; | |
cdd55a29 | 361 | struct drm_dma_handle **seglist; |
b5e89ed5 | 362 | |
cdd55a29 DA |
363 | struct drm_freelist freelist; |
364 | }; | |
1da177e4 LT |
365 | |
366 | /** File private data */ | |
84b1fd10 | 367 | struct drm_file { |
b5e89ed5 | 368 | int authenticated; |
a7a2cc31 | 369 | int master; |
b5e89ed5 DA |
370 | int minor; |
371 | pid_t pid; | |
372 | uid_t uid; | |
373 | drm_magic_t magic; | |
374 | unsigned long ioctl_count; | |
bd1b331f | 375 | struct list_head lhead; |
b5e89ed5 DA |
376 | struct drm_head *head; |
377 | int remove_auth_on_close; | |
378 | unsigned long lock_count; | |
379 | void *driver_priv; | |
84b1fd10 | 380 | }; |
1da177e4 LT |
381 | |
382 | /** Wait queue */ | |
cdd55a29 | 383 | struct drm_queue { |
b5e89ed5 DA |
384 | atomic_t use_count; /**< Outstanding uses (+1) */ |
385 | atomic_t finalization; /**< Finalization in progress */ | |
386 | atomic_t block_count; /**< Count of processes waiting */ | |
387 | atomic_t block_read; /**< Queue blocked for reads */ | |
1da177e4 | 388 | wait_queue_head_t read_queue; /**< Processes waiting on block_read */ |
b5e89ed5 | 389 | atomic_t block_write; /**< Queue blocked for writes */ |
1da177e4 LT |
390 | wait_queue_head_t write_queue; /**< Processes waiting on block_write */ |
391 | #if 1 | |
b5e89ed5 DA |
392 | atomic_t total_queued; /**< Total queued statistic */ |
393 | atomic_t total_flushed; /**< Total flushes statistic */ | |
394 | atomic_t total_locks; /**< Total locks statistics */ | |
1da177e4 | 395 | #endif |
c60ce623 | 396 | enum drm_ctx_flags flags; /**< Context preserving and 2D-only */ |
cdd55a29 | 397 | struct drm_waitlist waitlist; /**< Pending buffers */ |
1da177e4 | 398 | wait_queue_head_t flush_queue; /**< Processes waiting until flush */ |
cdd55a29 | 399 | }; |
1da177e4 LT |
400 | |
401 | /** | |
402 | * Lock data. | |
403 | */ | |
55910517 | 404 | struct drm_lock_data { |
c60ce623 | 405 | struct drm_hw_lock *hw_lock; /**< Hardware lock */ |
b5e89ed5 | 406 | struct file *filp; /**< File descr of lock holder (0=kernel) */ |
1da177e4 | 407 | wait_queue_head_t lock_queue; /**< Queue of blocked processes */ |
b5e89ed5 | 408 | unsigned long lock_time; /**< Time of last lock in jiffies */ |
040ac320 TH |
409 | spinlock_t spinlock; |
410 | uint32_t kernel_waiters; | |
411 | uint32_t user_waiters; | |
412 | int idle_has_lock; | |
55910517 | 413 | }; |
1da177e4 LT |
414 | |
415 | /** | |
416 | * DMA data. | |
417 | */ | |
cdd55a29 | 418 | struct drm_device_dma { |
1da177e4 | 419 | |
cdd55a29 | 420 | struct drm_buf_entry bufs[DRM_MAX_ORDER + 1]; /**< buffers, grouped by their size order */ |
b5e89ed5 | 421 | int buf_count; /**< total number of buffers */ |
056219e2 | 422 | struct drm_buf **buflist; /**< Vector of pointers into drm_device_dma::bufs */ |
b5e89ed5 DA |
423 | int seg_count; |
424 | int page_count; /**< number of pages */ | |
425 | unsigned long *pagelist; /**< page list */ | |
426 | unsigned long byte_count; | |
1da177e4 LT |
427 | enum { |
428 | _DRM_DMA_USE_AGP = 0x01, | |
b5e89ed5 | 429 | _DRM_DMA_USE_SG = 0x02, |
3417f33e GS |
430 | _DRM_DMA_USE_FB = 0x04, |
431 | _DRM_DMA_USE_PCI_RO = 0x08 | |
1da177e4 LT |
432 | } flags; |
433 | ||
cdd55a29 | 434 | }; |
1da177e4 | 435 | |
b5e89ed5 | 436 | /** |
1da177e4 LT |
437 | * AGP memory entry. Stored as a doubly linked list. |
438 | */ | |
55910517 | 439 | struct drm_agp_mem { |
b5e89ed5 DA |
440 | unsigned long handle; /**< handle */ |
441 | DRM_AGP_MEM *memory; | |
442 | unsigned long bound; /**< address */ | |
443 | int pages; | |
bd1b331f | 444 | struct list_head head; |
55910517 | 445 | }; |
1da177e4 LT |
446 | |
447 | /** | |
448 | * AGP data. | |
449 | * | |
450 | * \sa drm_agp_init() and drm_device::agp. | |
451 | */ | |
55910517 | 452 | struct drm_agp_head { |
b5e89ed5 | 453 | DRM_AGP_KERN agp_info; /**< AGP device information */ |
bd1b331f | 454 | struct list_head memory; |
b5e89ed5 DA |
455 | unsigned long mode; /**< AGP mode */ |
456 | struct agp_bridge_data *bridge; | |
457 | int enabled; /**< whether the AGP bus as been enabled */ | |
458 | int acquired; /**< whether the AGP device has been acquired */ | |
459 | unsigned long base; | |
460 | int agp_mtrr; | |
461 | int cant_use_aperture; | |
462 | unsigned long page_mask; | |
55910517 | 463 | }; |
1da177e4 LT |
464 | |
465 | /** | |
466 | * Scatter-gather memory. | |
467 | */ | |
55910517 | 468 | struct drm_sg_mem { |
b5e89ed5 DA |
469 | unsigned long handle; |
470 | void *virtual; | |
471 | int pages; | |
472 | struct page **pagelist; | |
473 | dma_addr_t *busaddr; | |
55910517 | 474 | }; |
1da177e4 | 475 | |
55910517 | 476 | struct drm_sigdata { |
b5e89ed5 | 477 | int context; |
c60ce623 | 478 | struct drm_hw_lock *lock; |
55910517 | 479 | }; |
1da177e4 LT |
480 | |
481 | /** | |
482 | * Mappings list | |
483 | */ | |
55910517 | 484 | struct drm_map_list { |
b5e89ed5 | 485 | struct list_head head; /**< list head */ |
e0be428e | 486 | struct drm_hash_item hash; |
c60ce623 | 487 | struct drm_map *map; /**< mapping */ |
d1f2b55a | 488 | unsigned int user_token; |
55910517 | 489 | }; |
1da177e4 | 490 | |
c60ce623 | 491 | typedef struct drm_map drm_local_map_t; |
1da177e4 LT |
492 | |
493 | /** | |
494 | * Context handle list | |
495 | */ | |
55910517 | 496 | struct drm_ctx_list { |
b5e89ed5 DA |
497 | struct list_head head; /**< list head */ |
498 | drm_context_t handle; /**< context handle */ | |
84b1fd10 | 499 | struct drm_file *tag; /**< associated fd private data */ |
55910517 | 500 | }; |
1da177e4 | 501 | |
55910517 | 502 | struct drm_vbl_sig { |
b5e89ed5 DA |
503 | struct list_head head; |
504 | unsigned int sequence; | |
505 | struct siginfo info; | |
506 | struct task_struct *task; | |
55910517 | 507 | }; |
1da177e4 | 508 | |
ea98a92f DA |
509 | /* location of GART table */ |
510 | #define DRM_ATI_GART_MAIN 1 | |
511 | #define DRM_ATI_GART_FB 2 | |
512 | ||
f2b04cd2 DA |
513 | #define DRM_ATI_GART_PCI 1 |
514 | #define DRM_ATI_GART_PCIE 2 | |
515 | #define DRM_ATI_GART_IGP 3 | |
516 | ||
55910517 | 517 | struct drm_ati_pcigart_info { |
ea98a92f | 518 | int gart_table_location; |
f2b04cd2 | 519 | int gart_reg_if; |
f26c473c | 520 | void *addr; |
ea98a92f | 521 | dma_addr_t bus_addr; |
f26c473c | 522 | drm_local_map_t mapping; |
f2b04cd2 | 523 | int table_size; |
55910517 | 524 | }; |
ea98a92f | 525 | |
3a1bd924 TH |
526 | /* |
527 | * Generic memory manager structs | |
528 | */ | |
55910517 | 529 | struct drm_mm_node { |
3a1bd924 TH |
530 | struct list_head fl_entry; |
531 | struct list_head ml_entry; | |
532 | int free; | |
533 | unsigned long start; | |
534 | unsigned long size; | |
1d58420b | 535 | struct drm_mm *mm; |
3a1bd924 | 536 | void *private; |
55910517 | 537 | }; |
3a1bd924 | 538 | |
55910517 | 539 | struct drm_mm { |
1d58420b TH |
540 | struct list_head fl_entry; |
541 | struct list_head ml_entry; | |
55910517 | 542 | }; |
3a1bd924 | 543 | |
1da177e4 LT |
544 | /** |
545 | * DRM driver structure. This structure represent the common code for | |
546 | * a family of cards. There will one drm_device for each card present | |
547 | * in this family | |
548 | */ | |
549 | struct drm_device; | |
550 | ||
551 | struct drm_driver { | |
22eae947 DA |
552 | int (*load) (struct drm_device *, unsigned long flags); |
553 | int (*firstopen) (struct drm_device *); | |
84b1fd10 | 554 | int (*open) (struct drm_device *, struct drm_file *); |
22eae947 | 555 | void (*preclose) (struct drm_device *, struct file * filp); |
84b1fd10 | 556 | void (*postclose) (struct drm_device *, struct drm_file *); |
22eae947 DA |
557 | void (*lastclose) (struct drm_device *); |
558 | int (*unload) (struct drm_device *); | |
b5e89ed5 | 559 | int (*dma_ioctl) (DRM_IOCTL_ARGS); |
b5e89ed5 DA |
560 | void (*dma_ready) (struct drm_device *); |
561 | int (*dma_quiescent) (struct drm_device *); | |
84b1fd10 DA |
562 | int (*context_ctor) (struct drm_device *dev, int context); |
563 | int (*context_dtor) (struct drm_device *dev, int context); | |
564 | int (*kernel_context_switch) (struct drm_device *dev, int old, | |
b5e89ed5 | 565 | int new); |
84b1fd10 DA |
566 | void (*kernel_context_switch_unlock) (struct drm_device *dev); |
567 | int (*vblank_wait) (struct drm_device *dev, unsigned int *sequence); | |
568 | int (*vblank_wait2) (struct drm_device *dev, unsigned int *sequence); | |
732052ed | 569 | int (*dri_library_name) (struct drm_device *dev, char *buf); |
b5e89ed5 | 570 | |
cda17380 DA |
571 | /** |
572 | * Called by \c drm_device_is_agp. Typically used to determine if a | |
573 | * card is really attached to AGP or not. | |
574 | * | |
575 | * \param dev DRM device handle | |
576 | * | |
577 | * \returns | |
578 | * One of three values is returned depending on whether or not the | |
579 | * card is absolutely \b not AGP (return of 0), absolutely \b is AGP | |
580 | * (return of 1), or may or may not be AGP (return of 2). | |
581 | */ | |
84b1fd10 | 582 | int (*device_is_agp) (struct drm_device *dev); |
cda17380 | 583 | |
1da177e4 | 584 | /* these have to be filled in */ |
b5e89ed5 | 585 | |
22eae947 | 586 | irqreturn_t(*irq_handler) (DRM_IRQ_ARGS); |
84b1fd10 DA |
587 | void (*irq_preinstall) (struct drm_device *dev); |
588 | void (*irq_postinstall) (struct drm_device *dev); | |
589 | void (*irq_uninstall) (struct drm_device *dev); | |
590 | void (*reclaim_buffers) (struct drm_device *dev, struct file * filp); | |
d985c108 | 591 | void (*reclaim_buffers_locked) (struct drm_device *dev, |
22eae947 | 592 | struct file *filp); |
040ac320 TH |
593 | void (*reclaim_buffers_idlelocked) (struct drm_device *dev, |
594 | struct file * filp); | |
c60ce623 | 595 | unsigned long (*get_map_ofs) (struct drm_map * map); |
84b1fd10 DA |
596 | unsigned long (*get_reg_ofs) (struct drm_device *dev); |
597 | void (*set_version) (struct drm_device *dev, | |
c60ce623 | 598 | struct drm_set_version *sv); |
22eae947 DA |
599 | |
600 | int major; | |
601 | int minor; | |
602 | int patchlevel; | |
603 | char *name; | |
604 | char *desc; | |
605 | char *date; | |
606 | ||
1da177e4 LT |
607 | u32 driver_features; |
608 | int dev_priv_size; | |
609 | drm_ioctl_desc_t *ioctls; | |
610 | int num_ioctls; | |
611 | struct file_operations fops; | |
612 | struct pci_driver pci_driver; | |
613 | }; | |
614 | ||
615 | /** | |
616 | * DRM head structure. This structure represent a video head on a card | |
617 | * that may contain multiple heads. Embed one per head of these in the | |
618 | * private drm_device structure. | |
619 | */ | |
84b1fd10 | 620 | struct drm_head { |
1da177e4 LT |
621 | int minor; /**< Minor device number */ |
622 | struct drm_device *dev; | |
623 | struct proc_dir_entry *dev_root; /**< proc directory entry */ | |
624 | dev_t device; /**< Device number for mknod */ | |
625 | struct class_device *dev_class; | |
84b1fd10 | 626 | }; |
1da177e4 LT |
627 | |
628 | /** | |
629 | * DRM device structure. This structure represent a complete card that | |
630 | * may contain multiple heads. | |
631 | */ | |
84b1fd10 | 632 | struct drm_device { |
b5e89ed5 DA |
633 | char *unique; /**< Unique identifier: e.g., busid */ |
634 | int unique_len; /**< Length of unique field */ | |
635 | char *devname; /**< For /proc/interrupts */ | |
636 | int if_version; /**< Highest interface version set */ | |
1da177e4 | 637 | |
b5e89ed5 | 638 | int blocked; /**< Blocked due to VC switch? */ |
1da177e4 LT |
639 | |
640 | /** \name Locks */ | |
b5e89ed5 DA |
641 | /*@{ */ |
642 | spinlock_t count_lock; /**< For inuse, drm_device::open_count, drm_device::buf_use */ | |
30e2fb18 | 643 | struct mutex struct_mutex; /**< For others */ |
b5e89ed5 | 644 | /*@} */ |
1da177e4 LT |
645 | |
646 | /** \name Usage Counters */ | |
b5e89ed5 DA |
647 | /*@{ */ |
648 | int open_count; /**< Outstanding files open */ | |
649 | atomic_t ioctl_count; /**< Outstanding IOCTLs pending */ | |
650 | atomic_t vma_count; /**< Outstanding vma areas open */ | |
651 | int buf_use; /**< Buffers in use -- cannot alloc */ | |
652 | atomic_t buf_alloc; /**< Buffer allocation in progress */ | |
653 | /*@} */ | |
1da177e4 LT |
654 | |
655 | /** \name Performance counters */ | |
b5e89ed5 DA |
656 | /*@{ */ |
657 | unsigned long counters; | |
c60ce623 | 658 | enum drm_stat_type types[15]; |
b5e89ed5 DA |
659 | atomic_t counts[15]; |
660 | /*@} */ | |
1da177e4 LT |
661 | |
662 | /** \name Authentication */ | |
b5e89ed5 | 663 | /*@{ */ |
bd1b331f | 664 | struct list_head filelist; |
e0be428e | 665 | struct drm_open_hash magiclist; /**< magic hash table */ |
8669cbc5 | 666 | struct list_head magicfree; |
b5e89ed5 | 667 | /*@} */ |
1da177e4 LT |
668 | |
669 | /** \name Memory management */ | |
b5e89ed5 | 670 | /*@{ */ |
bd1b331f | 671 | struct list_head maplist; /**< Linked list of regions */ |
b5e89ed5 | 672 | int map_count; /**< Number of mappable regions */ |
e0be428e | 673 | struct drm_open_hash map_hash; /**< User token hash table for maps */ |
1da177e4 LT |
674 | |
675 | /** \name Context handle management */ | |
b5e89ed5 | 676 | /*@{ */ |
bd1b331f | 677 | struct list_head ctxlist; /**< Linked list of context handles */ |
b5e89ed5 | 678 | int ctx_count; /**< Number of context handles */ |
30e2fb18 | 679 | struct mutex ctxlist_mutex; /**< For ctxlist */ |
1da177e4 | 680 | |
62968144 | 681 | struct idr ctx_idr; |
1da177e4 | 682 | |
bd1b331f | 683 | struct list_head vmalist; /**< List of vmas (for debugging) */ |
55910517 | 684 | struct drm_lock_data lock; /**< Information on hardware lock */ |
b5e89ed5 | 685 | /*@} */ |
1da177e4 LT |
686 | |
687 | /** \name DMA queues (contexts) */ | |
b5e89ed5 DA |
688 | /*@{ */ |
689 | int queue_count; /**< Number of active DMA queues */ | |
690 | int queue_reserved; /**< Number of reserved DMA queues */ | |
691 | int queue_slots; /**< Actual length of queuelist */ | |
cdd55a29 DA |
692 | struct drm_queue **queuelist; /**< Vector of pointers to DMA queues */ |
693 | struct drm_device_dma *dma; /**< Optional pointer for DMA support */ | |
b5e89ed5 | 694 | /*@} */ |
1da177e4 LT |
695 | |
696 | /** \name Context support */ | |
b5e89ed5 DA |
697 | /*@{ */ |
698 | int irq; /**< Interrupt used by board */ | |
699 | int irq_enabled; /**< True if irq handler is enabled */ | |
1da177e4 LT |
700 | __volatile__ long context_flag; /**< Context swapping flag */ |
701 | __volatile__ long interrupt_flag; /**< Interruption handler flag */ | |
702 | __volatile__ long dma_flag; /**< DMA dispatch flag */ | |
703 | struct timer_list timer; /**< Timer for delaying ctx switch */ | |
b5e89ed5 DA |
704 | wait_queue_head_t context_wait; /**< Processes waiting on ctx switch */ |
705 | int last_checked; /**< Last context checked for DMA */ | |
706 | int last_context; /**< Last current context */ | |
707 | unsigned long last_switch; /**< jiffies at last context switch */ | |
708 | /*@} */ | |
709 | ||
710 | struct work_struct work; | |
1da177e4 | 711 | /** \name VBLANK IRQ support */ |
b5e89ed5 DA |
712 | /*@{ */ |
713 | ||
714 | wait_queue_head_t vbl_queue; /**< VBLANK wait queue */ | |
715 | atomic_t vbl_received; | |
776c9443 | 716 | atomic_t vbl_received2; /**< number of secondary VBLANK interrupts */ |
b5e89ed5 | 717 | spinlock_t vbl_lock; |
bd1b331f DA |
718 | struct list_head vbl_sigs; /**< signal list to send on VBLANK */ |
719 | struct list_head vbl_sigs2; /**< signals to send on secondary VBLANK */ | |
b5e89ed5 | 720 | unsigned int vbl_pending; |
2e54a007 MCA |
721 | spinlock_t tasklet_lock; /**< For drm_locked_tasklet */ |
722 | void (*locked_tasklet_func)(struct drm_device *dev); | |
b5e89ed5 DA |
723 | |
724 | /*@} */ | |
725 | cycles_t ctx_start; | |
726 | cycles_t lck_start; | |
727 | ||
1da177e4 LT |
728 | struct fasync_struct *buf_async;/**< Processes waiting for SIGIO */ |
729 | wait_queue_head_t buf_readers; /**< Processes waiting to read */ | |
730 | wait_queue_head_t buf_writers; /**< Processes waiting to ctx switch */ | |
731 | ||
55910517 | 732 | struct drm_agp_head *agp; /**< AGP data */ |
1da177e4 | 733 | |
b5e89ed5 | 734 | struct pci_dev *pdev; /**< PCI device structure */ |
2f02cc3f EA |
735 | int pci_vendor; /**< PCI vendor id */ |
736 | int pci_device; /**< PCI device id */ | |
1da177e4 | 737 | #ifdef __alpha__ |
1da177e4 | 738 | struct pci_controller *hose; |
1da177e4 | 739 | #endif |
55910517 | 740 | struct drm_sg_mem *sg; /**< Scatter gather memory */ |
b5e89ed5 DA |
741 | unsigned long *ctx_bitmap; /**< context bitmap */ |
742 | void *dev_private; /**< device private data */ | |
55910517 | 743 | struct drm_sigdata sigdata; /**< For block_all_signals */ |
b5e89ed5 DA |
744 | sigset_t sigmask; |
745 | ||
746 | struct drm_driver *driver; | |
747 | drm_local_map_t *agp_buffer_map; | |
d1f2b55a | 748 | unsigned int agp_buffer_token; |
84b1fd10 | 749 | struct drm_head primary; /**< primary screen head */ |
bea5679f MCA |
750 | |
751 | /** \name Drawable information */ | |
752 | /*@{ */ | |
753 | spinlock_t drw_lock; | |
d4e2cbe9 | 754 | struct idr drw_idr; |
bea5679f | 755 | /*@} */ |
84b1fd10 | 756 | }; |
1da177e4 | 757 | |
b5e89ed5 DA |
758 | static __inline__ int drm_core_check_feature(struct drm_device *dev, |
759 | int feature) | |
1da177e4 LT |
760 | { |
761 | return ((dev->driver->driver_features & feature) ? 1 : 0); | |
762 | } | |
763 | ||
33229601 | 764 | #ifdef __alpha__ |
6244270e | 765 | #define drm_get_pci_domain(dev) dev->hose->index |
33229601 | 766 | #else |
9b1a51b6 | 767 | #define drm_get_pci_domain(dev) 0 |
33229601 DA |
768 | #endif |
769 | ||
1da177e4 LT |
770 | #if __OS_HAS_AGP |
771 | static inline int drm_core_has_AGP(struct drm_device *dev) | |
772 | { | |
b5e89ed5 | 773 | return drm_core_check_feature(dev, DRIVER_USE_AGP); |
1da177e4 LT |
774 | } |
775 | #else | |
776 | #define drm_core_has_AGP(dev) (0) | |
777 | #endif | |
778 | ||
779 | #if __OS_HAS_MTRR | |
780 | static inline int drm_core_has_MTRR(struct drm_device *dev) | |
781 | { | |
b5e89ed5 | 782 | return drm_core_check_feature(dev, DRIVER_USE_MTRR); |
1da177e4 | 783 | } |
269dc512 DA |
784 | |
785 | #define DRM_MTRR_WC MTRR_TYPE_WRCOMB | |
786 | ||
787 | static inline int drm_mtrr_add(unsigned long offset, unsigned long size, | |
788 | unsigned int flags) | |
789 | { | |
790 | return mtrr_add(offset, size, flags, 1); | |
791 | } | |
792 | ||
793 | static inline int drm_mtrr_del(int handle, unsigned long offset, | |
794 | unsigned long size, unsigned int flags) | |
795 | { | |
796 | return mtrr_del(handle, offset, size); | |
797 | } | |
798 | ||
1da177e4 LT |
799 | #else |
800 | #define drm_core_has_MTRR(dev) (0) | |
9c7d462e DA |
801 | |
802 | #define DRM_MTRR_WC 0 | |
803 | ||
804 | static inline int drm_mtrr_add(unsigned long offset, unsigned long size, | |
805 | unsigned int flags) | |
806 | { | |
807 | return 0; | |
808 | } | |
809 | ||
810 | static inline int drm_mtrr_del(int handle, unsigned long offset, | |
811 | unsigned long size, unsigned int flags) | |
812 | { | |
813 | return 0; | |
814 | } | |
1da177e4 LT |
815 | #endif |
816 | ||
817 | /******************************************************************/ | |
818 | /** \name Internal function definitions */ | |
819 | /*@{*/ | |
820 | ||
1da177e4 | 821 | /* Driver support (drm_drv.h) */ |
b5e89ed5 DA |
822 | extern int drm_init(struct drm_driver *driver); |
823 | extern void drm_exit(struct drm_driver *driver); | |
824 | extern int drm_ioctl(struct inode *inode, struct file *filp, | |
825 | unsigned int cmd, unsigned long arg); | |
826 | extern long drm_compat_ioctl(struct file *filp, | |
827 | unsigned int cmd, unsigned long arg); | |
84b1fd10 | 828 | extern int drm_lastclose(struct drm_device *dev); |
1da177e4 LT |
829 | |
830 | /* Device support (drm_fops.h) */ | |
b5e89ed5 DA |
831 | extern int drm_open(struct inode *inode, struct file *filp); |
832 | extern int drm_stub_open(struct inode *inode, struct file *filp); | |
b5e89ed5 DA |
833 | extern int drm_fasync(int fd, struct file *filp, int on); |
834 | extern int drm_release(struct inode *inode, struct file *filp); | |
1da177e4 LT |
835 | |
836 | /* Mapping support (drm_vm.h) */ | |
b5e89ed5 DA |
837 | extern int drm_mmap(struct file *filp, struct vm_area_struct *vma); |
838 | extern unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait); | |
1da177e4 LT |
839 | |
840 | /* Memory management support (drm_memory.h) */ | |
841 | #include "drm_memory.h" | |
b5e89ed5 DA |
842 | extern void drm_mem_init(void); |
843 | extern int drm_mem_info(char *buf, char **start, off_t offset, | |
844 | int request, int *eof, void *data); | |
845 | extern void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area); | |
b5e89ed5 | 846 | |
84b1fd10 | 847 | extern DRM_AGP_MEM *drm_alloc_agp(struct drm_device *dev, int pages, u32 type); |
b5e89ed5 DA |
848 | extern int drm_free_agp(DRM_AGP_MEM * handle, int pages); |
849 | extern int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start); | |
850 | extern int drm_unbind_agp(DRM_AGP_MEM * handle); | |
1da177e4 LT |
851 | |
852 | /* Misc. IOCTL support (drm_ioctl.h) */ | |
b5e89ed5 DA |
853 | extern int drm_irq_by_busid(struct inode *inode, struct file *filp, |
854 | unsigned int cmd, unsigned long arg); | |
855 | extern int drm_getunique(struct inode *inode, struct file *filp, | |
856 | unsigned int cmd, unsigned long arg); | |
857 | extern int drm_setunique(struct inode *inode, struct file *filp, | |
858 | unsigned int cmd, unsigned long arg); | |
859 | extern int drm_getmap(struct inode *inode, struct file *filp, | |
860 | unsigned int cmd, unsigned long arg); | |
861 | extern int drm_getclient(struct inode *inode, struct file *filp, | |
862 | unsigned int cmd, unsigned long arg); | |
863 | extern int drm_getstats(struct inode *inode, struct file *filp, | |
864 | unsigned int cmd, unsigned long arg); | |
865 | extern int drm_setversion(struct inode *inode, struct file *filp, | |
866 | unsigned int cmd, unsigned long arg); | |
d985c108 DA |
867 | extern int drm_noop(struct inode *inode, struct file *filp, |
868 | unsigned int cmd, unsigned long arg); | |
1da177e4 LT |
869 | |
870 | /* Context IOCTL support (drm_context.h) */ | |
b5e89ed5 DA |
871 | extern int drm_resctx(struct inode *inode, struct file *filp, |
872 | unsigned int cmd, unsigned long arg); | |
873 | extern int drm_addctx(struct inode *inode, struct file *filp, | |
874 | unsigned int cmd, unsigned long arg); | |
875 | extern int drm_modctx(struct inode *inode, struct file *filp, | |
876 | unsigned int cmd, unsigned long arg); | |
877 | extern int drm_getctx(struct inode *inode, struct file *filp, | |
878 | unsigned int cmd, unsigned long arg); | |
879 | extern int drm_switchctx(struct inode *inode, struct file *filp, | |
880 | unsigned int cmd, unsigned long arg); | |
881 | extern int drm_newctx(struct inode *inode, struct file *filp, | |
882 | unsigned int cmd, unsigned long arg); | |
883 | extern int drm_rmctx(struct inode *inode, struct file *filp, | |
884 | unsigned int cmd, unsigned long arg); | |
885 | ||
84b1fd10 DA |
886 | extern int drm_ctxbitmap_init(struct drm_device *dev); |
887 | extern void drm_ctxbitmap_cleanup(struct drm_device *dev); | |
888 | extern void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle); | |
b5e89ed5 DA |
889 | |
890 | extern int drm_setsareactx(struct inode *inode, struct file *filp, | |
891 | unsigned int cmd, unsigned long arg); | |
892 | extern int drm_getsareactx(struct inode *inode, struct file *filp, | |
893 | unsigned int cmd, unsigned long arg); | |
1da177e4 LT |
894 | |
895 | /* Drawable IOCTL support (drm_drawable.h) */ | |
b5e89ed5 DA |
896 | extern int drm_adddraw(struct inode *inode, struct file *filp, |
897 | unsigned int cmd, unsigned long arg); | |
898 | extern int drm_rmdraw(struct inode *inode, struct file *filp, | |
899 | unsigned int cmd, unsigned long arg); | |
bea5679f MCA |
900 | extern int drm_update_drawable_info(struct inode *inode, struct file *filp, |
901 | unsigned int cmd, unsigned long arg); | |
84b1fd10 | 902 | extern struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev, |
bea5679f | 903 | drm_drawable_t id); |
d4e2cbe9 | 904 | extern void drm_drawable_free_all(struct drm_device *dev); |
1da177e4 LT |
905 | |
906 | /* Authentication IOCTL support (drm_auth.h) */ | |
b5e89ed5 DA |
907 | extern int drm_getmagic(struct inode *inode, struct file *filp, |
908 | unsigned int cmd, unsigned long arg); | |
909 | extern int drm_authmagic(struct inode *inode, struct file *filp, | |
910 | unsigned int cmd, unsigned long arg); | |
1da177e4 | 911 | |
1da177e4 | 912 | /* Locking IOCTL support (drm_lock.h) */ |
b5e89ed5 DA |
913 | extern int drm_lock(struct inode *inode, struct file *filp, |
914 | unsigned int cmd, unsigned long arg); | |
915 | extern int drm_unlock(struct inode *inode, struct file *filp, | |
916 | unsigned int cmd, unsigned long arg); | |
55910517 DA |
917 | extern int drm_lock_take(struct drm_lock_data *lock_data, unsigned int context); |
918 | extern int drm_lock_free(struct drm_lock_data *lock_data, unsigned int context); | |
919 | extern void drm_idlelock_take(struct drm_lock_data *lock_data); | |
920 | extern void drm_idlelock_release(struct drm_lock_data *lock_data); | |
040ac320 TH |
921 | |
922 | /* | |
923 | * These are exported to drivers so that they can implement fencing using | |
924 | * DMA quiscent + idle. DMA quiescent usually requires the hardware lock. | |
925 | */ | |
926 | ||
927 | extern int drm_i_have_hw_lock(struct file *filp); | |
928 | extern int drm_kernel_take_hw_lock(struct file *filp); | |
1da177e4 LT |
929 | |
930 | /* Buffer management support (drm_bufs.h) */ | |
84b1fd10 DA |
931 | extern int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc * request); |
932 | extern int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc * request); | |
933 | extern int drm_addmap(struct drm_device *dev, unsigned int offset, | |
c60ce623 DA |
934 | unsigned int size, enum drm_map_type type, |
935 | enum drm_map_flags flags, drm_local_map_t ** map_ptr); | |
7ab98401 DA |
936 | extern int drm_addmap_ioctl(struct inode *inode, struct file *filp, |
937 | unsigned int cmd, unsigned long arg); | |
84b1fd10 DA |
938 | extern int drm_rmmap(struct drm_device *dev, drm_local_map_t * map); |
939 | extern int drm_rmmap_locked(struct drm_device *dev, drm_local_map_t * map); | |
7ab98401 DA |
940 | extern int drm_rmmap_ioctl(struct inode *inode, struct file *filp, |
941 | unsigned int cmd, unsigned long arg); | |
942 | ||
b5e89ed5 DA |
943 | extern int drm_order(unsigned long size); |
944 | extern int drm_addbufs(struct inode *inode, struct file *filp, | |
945 | unsigned int cmd, unsigned long arg); | |
946 | extern int drm_infobufs(struct inode *inode, struct file *filp, | |
947 | unsigned int cmd, unsigned long arg); | |
948 | extern int drm_markbufs(struct inode *inode, struct file *filp, | |
949 | unsigned int cmd, unsigned long arg); | |
950 | extern int drm_freebufs(struct inode *inode, struct file *filp, | |
951 | unsigned int cmd, unsigned long arg); | |
952 | extern int drm_mapbufs(struct inode *inode, struct file *filp, | |
953 | unsigned int cmd, unsigned long arg); | |
84b1fd10 | 954 | extern unsigned long drm_get_resource_start(struct drm_device *dev, |
836cf046 | 955 | unsigned int resource); |
84b1fd10 | 956 | extern unsigned long drm_get_resource_len(struct drm_device *dev, |
836cf046 | 957 | unsigned int resource); |
1da177e4 LT |
958 | |
959 | /* DMA support (drm_dma.h) */ | |
84b1fd10 DA |
960 | extern int drm_dma_setup(struct drm_device *dev); |
961 | extern void drm_dma_takedown(struct drm_device *dev); | |
056219e2 | 962 | extern void drm_free_buffer(struct drm_device *dev, struct drm_buf * buf); |
84b1fd10 | 963 | extern void drm_core_reclaim_buffers(struct drm_device *dev, struct file *filp); |
1da177e4 LT |
964 | |
965 | /* IRQ support (drm_irq.h) */ | |
b5e89ed5 DA |
966 | extern int drm_control(struct inode *inode, struct file *filp, |
967 | unsigned int cmd, unsigned long arg); | |
b5e89ed5 | 968 | extern irqreturn_t drm_irq_handler(DRM_IRQ_ARGS); |
84b1fd10 DA |
969 | extern int drm_irq_uninstall(struct drm_device *dev); |
970 | extern void drm_driver_irq_preinstall(struct drm_device *dev); | |
971 | extern void drm_driver_irq_postinstall(struct drm_device *dev); | |
972 | extern void drm_driver_irq_uninstall(struct drm_device *dev); | |
b5e89ed5 DA |
973 | |
974 | extern int drm_wait_vblank(struct inode *inode, struct file *filp, | |
975 | unsigned int cmd, unsigned long arg); | |
84b1fd10 DA |
976 | extern int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq); |
977 | extern void drm_vbl_send_signals(struct drm_device *dev); | |
978 | extern void drm_locked_tasklet(struct drm_device *dev, void(*func)(struct drm_device*)); | |
1da177e4 LT |
979 | |
980 | /* AGP/GART support (drm_agpsupport.h) */ | |
55910517 | 981 | extern struct drm_agp_head *drm_agp_init(struct drm_device *dev); |
84b1fd10 | 982 | extern int drm_agp_acquire(struct drm_device *dev); |
7ab98401 | 983 | extern int drm_agp_acquire_ioctl(struct inode *inode, struct file *filp, |
b5e89ed5 | 984 | unsigned int cmd, unsigned long arg); |
84b1fd10 | 985 | extern int drm_agp_release(struct drm_device *dev); |
7ab98401 | 986 | extern int drm_agp_release_ioctl(struct inode *inode, struct file *filp, |
b5e89ed5 | 987 | unsigned int cmd, unsigned long arg); |
84b1fd10 | 988 | extern int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode); |
7ab98401 | 989 | extern int drm_agp_enable_ioctl(struct inode *inode, struct file *filp, |
b5e89ed5 | 990 | unsigned int cmd, unsigned long arg); |
84b1fd10 | 991 | extern int drm_agp_info(struct drm_device *dev, struct drm_agp_info * info); |
7ab98401 | 992 | extern int drm_agp_info_ioctl(struct inode *inode, struct file *filp, |
b5e89ed5 | 993 | unsigned int cmd, unsigned long arg); |
84b1fd10 | 994 | extern int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request); |
efa58395 | 995 | extern int drm_agp_alloc_ioctl(struct inode *inode, struct file *filp, |
b5e89ed5 | 996 | unsigned int cmd, unsigned long arg); |
84b1fd10 | 997 | extern int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request); |
efa58395 | 998 | extern int drm_agp_free_ioctl(struct inode *inode, struct file *filp, |
7ab98401 | 999 | unsigned int cmd, unsigned long arg); |
84b1fd10 | 1000 | extern int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request); |
efa58395 | 1001 | extern int drm_agp_unbind_ioctl(struct inode *inode, struct file *filp, |
b5e89ed5 | 1002 | unsigned int cmd, unsigned long arg); |
84b1fd10 | 1003 | extern int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request); |
efa58395 | 1004 | extern int drm_agp_bind_ioctl(struct inode *inode, struct file *filp, |
b5e89ed5 DA |
1005 | unsigned int cmd, unsigned long arg); |
1006 | extern DRM_AGP_MEM *drm_agp_allocate_memory(struct agp_bridge_data *bridge, | |
1007 | size_t pages, u32 type); | |
1008 | extern int drm_agp_free_memory(DRM_AGP_MEM * handle); | |
1009 | extern int drm_agp_bind_memory(DRM_AGP_MEM * handle, off_t start); | |
1010 | extern int drm_agp_unbind_memory(DRM_AGP_MEM * handle); | |
1da177e4 LT |
1011 | |
1012 | /* Stub support (drm_stub.h) */ | |
1013 | extern int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent, | |
b5e89ed5 | 1014 | struct drm_driver *driver); |
84b1fd10 DA |
1015 | extern int drm_put_dev(struct drm_device *dev); |
1016 | extern int drm_put_head(struct drm_head *head); | |
b5e89ed5 DA |
1017 | extern unsigned int drm_debug; |
1018 | extern unsigned int drm_cards_limit; | |
84b1fd10 | 1019 | extern struct drm_head **drm_heads; |
0650fd58 | 1020 | extern struct class *drm_class; |
1da177e4 LT |
1021 | extern struct proc_dir_entry *drm_proc_root; |
1022 | ||
da509d7a DA |
1023 | extern drm_local_map_t *drm_getsarea(struct drm_device *dev); |
1024 | ||
1da177e4 | 1025 | /* Proc support (drm_proc.h) */ |
84b1fd10 | 1026 | extern int drm_proc_init(struct drm_device *dev, |
b5e89ed5 DA |
1027 | int minor, |
1028 | struct proc_dir_entry *root, | |
1029 | struct proc_dir_entry **dev_root); | |
1030 | extern int drm_proc_cleanup(int minor, | |
1031 | struct proc_dir_entry *root, | |
1032 | struct proc_dir_entry *dev_root); | |
1da177e4 LT |
1033 | |
1034 | /* Scatter Gather Support (drm_scatter.h) */ | |
55910517 | 1035 | extern void drm_sg_cleanup(struct drm_sg_mem * entry); |
b5e89ed5 DA |
1036 | extern int drm_sg_alloc(struct inode *inode, struct file *filp, |
1037 | unsigned int cmd, unsigned long arg); | |
1038 | extern int drm_sg_free(struct inode *inode, struct file *filp, | |
1039 | unsigned int cmd, unsigned long arg); | |
1da177e4 | 1040 | |
b5e89ed5 | 1041 | /* ATI PCIGART support (ati_pcigart.h) */ |
84b1fd10 | 1042 | extern int drm_ati_pcigart_init(struct drm_device *dev, |
55910517 | 1043 | struct drm_ati_pcigart_info * gart_info); |
84b1fd10 | 1044 | extern int drm_ati_pcigart_cleanup(struct drm_device *dev, |
55910517 | 1045 | struct drm_ati_pcigart_info * gart_info); |
1da177e4 | 1046 | |
84b1fd10 | 1047 | extern drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size, |
9c8da5eb | 1048 | size_t align, dma_addr_t maxaddr); |
84b1fd10 DA |
1049 | extern void __drm_pci_free(struct drm_device *dev, drm_dma_handle_t * dmah); |
1050 | extern void drm_pci_free(struct drm_device *dev, drm_dma_handle_t * dmah); | |
1da177e4 LT |
1051 | |
1052 | /* sysfs support (drm_sysfs.c) */ | |
0650fd58 GKH |
1053 | extern struct class *drm_sysfs_create(struct module *owner, char *name); |
1054 | extern void drm_sysfs_destroy(struct class *cs); | |
1055 | extern struct class_device *drm_sysfs_device_add(struct class *cs, | |
84b1fd10 | 1056 | struct drm_head *head); |
732052ed | 1057 | extern void drm_sysfs_device_remove(struct class_device *class_dev); |
1da177e4 | 1058 | |
3a1bd924 TH |
1059 | /* |
1060 | * Basic memory manager support (drm_mm.c) | |
1061 | */ | |
55910517 | 1062 | extern struct drm_mm_node *drm_mm_get_block(struct drm_mm_node * parent, |
3a1bd924 TH |
1063 | unsigned long size, |
1064 | unsigned alignment); | |
55910517 DA |
1065 | void drm_mm_put_block(struct drm_mm_node * cur); |
1066 | extern struct drm_mm_node *drm_mm_search_free(const struct drm_mm *mm, unsigned long size, | |
3a1bd924 | 1067 | unsigned alignment, int best_match); |
55910517 DA |
1068 | extern int drm_mm_init(struct drm_mm *mm, unsigned long start, unsigned long size); |
1069 | extern void drm_mm_takedown(struct drm_mm *mm); | |
1070 | extern int drm_mm_clean(struct drm_mm *mm); | |
1071 | extern unsigned long drm_mm_tail_space(struct drm_mm *mm); | |
1072 | extern int drm_mm_remove_space_from_tail(struct drm_mm *mm, unsigned long size); | |
1073 | extern int drm_mm_add_space_to_tail(struct drm_mm *mm, unsigned long size); | |
3a1bd924 | 1074 | |
004a7727 CH |
1075 | extern void drm_core_ioremap(struct drm_map *map, struct drm_device *dev); |
1076 | extern void drm_core_ioremapfree(struct drm_map *map, struct drm_device *dev); | |
1da177e4 | 1077 | |
b5e89ed5 DA |
1078 | static __inline__ struct drm_map *drm_core_findmap(struct drm_device *dev, |
1079 | unsigned int token) | |
1da177e4 | 1080 | { |
55910517 | 1081 | struct drm_map_list *_entry; |
bd1b331f | 1082 | list_for_each_entry(_entry, &dev->maplist, head) |
b5e89ed5 DA |
1083 | if (_entry->user_token == token) |
1084 | return _entry->map; | |
1da177e4 LT |
1085 | return NULL; |
1086 | } | |
1087 | ||
84b1fd10 | 1088 | static __inline__ int drm_device_is_agp(struct drm_device *dev) |
cda17380 | 1089 | { |
b5e89ed5 DA |
1090 | if (dev->driver->device_is_agp != NULL) { |
1091 | int err = (*dev->driver->device_is_agp) (dev); | |
1092 | ||
cda17380 DA |
1093 | if (err != 2) { |
1094 | return err; | |
1095 | } | |
1096 | } | |
1097 | ||
1098 | return pci_find_capability(dev->pdev, PCI_CAP_ID_AGP); | |
1099 | } | |
1100 | ||
84b1fd10 | 1101 | static __inline__ int drm_device_is_pcie(struct drm_device *dev) |
ea98a92f DA |
1102 | { |
1103 | return pci_find_capability(dev->pdev, PCI_CAP_ID_EXP); | |
1104 | } | |
1105 | ||
1da177e4 LT |
1106 | static __inline__ void drm_core_dropmap(struct drm_map *map) |
1107 | { | |
1108 | } | |
1109 | ||
1110 | #ifndef DEBUG_MEMORY | |
1111 | /** Wrapper around kmalloc() */ | |
1112 | static __inline__ void *drm_alloc(size_t size, int area) | |
1113 | { | |
1114 | return kmalloc(size, GFP_KERNEL); | |
1115 | } | |
1116 | ||
1117 | /** Wrapper around kfree() */ | |
1118 | static __inline__ void drm_free(void *pt, size_t size, int area) | |
1119 | { | |
1120 | kfree(pt); | |
1121 | } | |
b9523249 DA |
1122 | |
1123 | /** Wrapper around kcalloc() */ | |
1124 | static __inline__ void *drm_calloc(size_t nmemb, size_t size, int area) | |
1125 | { | |
1126 | return kcalloc(nmemb, size, GFP_KERNEL); | |
1127 | } | |
1da177e4 LT |
1128 | #else |
1129 | extern void *drm_alloc(size_t size, int area); | |
1130 | extern void drm_free(void *pt, size_t size, int area); | |
b9523249 | 1131 | extern void *drm_calloc(size_t nmemb, size_t size, int area); |
1da177e4 LT |
1132 | #endif |
1133 | ||
1134 | /*@}*/ | |
1135 | ||
c60ce623 | 1136 | extern unsigned long drm_core_get_map_ofs(struct drm_map * map); |
1da177e4 LT |
1137 | extern unsigned long drm_core_get_reg_ofs(struct drm_device *dev); |
1138 | ||
b5e89ed5 | 1139 | #endif /* __KERNEL__ */ |
1da177e4 | 1140 | #endif |