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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/config.h> |
48 | #include <linux/module.h> | |
49 | #include <linux/kernel.h> | |
50 | #include <linux/miscdevice.h> | |
51 | #include <linux/fs.h> | |
52 | #include <linux/proc_fs.h> | |
53 | #include <linux/init.h> | |
54 | #include <linux/file.h> | |
55 | #include <linux/pci.h> | |
1da177e4 LT |
56 | #include <linux/jiffies.h> |
57 | #include <linux/smp_lock.h> /* For (un)lock_kernel */ | |
58 | #include <linux/mm.h> | |
59 | #include <linux/cdev.h> | |
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 | ||
78 | #define __OS_HAS_AGP (defined(CONFIG_AGP) || (defined(CONFIG_AGP_MODULE) && defined(MODULE))) | |
79 | #define __OS_HAS_MTRR (defined(CONFIG_MTRR)) | |
80 | ||
81 | #include "drm_os_linux.h" | |
82 | ||
83 | /***********************************************************************/ | |
84 | /** \name DRM template customization defaults */ | |
85 | /*@{*/ | |
86 | ||
87 | /* driver capabilities and requirements mask */ | |
88 | #define DRIVER_USE_AGP 0x1 | |
89 | #define DRIVER_REQUIRE_AGP 0x2 | |
90 | #define DRIVER_USE_MTRR 0x4 | |
91 | #define DRIVER_PCI_DMA 0x8 | |
92 | #define DRIVER_SG 0x10 | |
93 | #define DRIVER_HAVE_DMA 0x20 | |
94 | #define DRIVER_HAVE_IRQ 0x40 | |
95 | #define DRIVER_IRQ_SHARED 0x80 | |
96 | #define DRIVER_IRQ_VBL 0x100 | |
97 | #define DRIVER_DMA_QUEUE 0x200 | |
b84397d6 | 98 | #define DRIVER_FB_DMA 0x400 |
1da177e4 LT |
99 | |
100 | /***********************************************************************/ | |
101 | /** \name Begin the DRM... */ | |
102 | /*@{*/ | |
103 | ||
104 | #define DRM_DEBUG_CODE 2 /**< Include debugging code if > 1, then | |
105 | also include looping detection. */ | |
106 | ||
107 | #define DRM_HASH_SIZE 16 /**< Size of key hash table. Must be power of 2. */ | |
108 | #define DRM_KERNEL_CONTEXT 0 /**< Change drm_resctx if changed */ | |
109 | #define DRM_RESERVED_CONTEXTS 1 /**< Change drm_resctx if changed */ | |
110 | #define DRM_LOOPING_LIMIT 5000000 | |
1da177e4 LT |
111 | #define DRM_TIME_SLICE (HZ/20) /**< Time slice for GLXContexts */ |
112 | #define DRM_LOCK_SLICE 1 /**< Time slice for lock, in jiffies */ | |
113 | ||
114 | #define DRM_FLAG_DEBUG 0x01 | |
115 | ||
116 | #define DRM_MEM_DMA 0 | |
117 | #define DRM_MEM_SAREA 1 | |
118 | #define DRM_MEM_DRIVER 2 | |
119 | #define DRM_MEM_MAGIC 3 | |
120 | #define DRM_MEM_IOCTLS 4 | |
121 | #define DRM_MEM_MAPS 5 | |
122 | #define DRM_MEM_VMAS 6 | |
123 | #define DRM_MEM_BUFS 7 | |
124 | #define DRM_MEM_SEGS 8 | |
125 | #define DRM_MEM_PAGES 9 | |
126 | #define DRM_MEM_FILES 10 | |
127 | #define DRM_MEM_QUEUES 11 | |
128 | #define DRM_MEM_CMDS 12 | |
129 | #define DRM_MEM_MAPPINGS 13 | |
130 | #define DRM_MEM_BUFLISTS 14 | |
131 | #define DRM_MEM_AGPLISTS 15 | |
132 | #define DRM_MEM_TOTALAGP 16 | |
133 | #define DRM_MEM_BOUNDAGP 17 | |
134 | #define DRM_MEM_CTXBITMAP 18 | |
135 | #define DRM_MEM_STUB 19 | |
136 | #define DRM_MEM_SGLISTS 20 | |
137 | #define DRM_MEM_CTXLIST 21 | |
138 | ||
139 | #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) | |
1da177e4 | 140 | |
b5e89ed5 | 141 | /*@}*/ |
1da177e4 LT |
142 | |
143 | /***********************************************************************/ | |
144 | /** \name Backward compatibility section */ | |
145 | /*@{*/ | |
146 | ||
1da177e4 | 147 | #define DRM_RPR_ARG(vma) vma, |
1da177e4 LT |
148 | |
149 | #define VM_OFFSET(vma) ((vma)->vm_pgoff << PAGE_SHIFT) | |
150 | ||
151 | /*@}*/ | |
152 | ||
1da177e4 LT |
153 | /***********************************************************************/ |
154 | /** \name Macros to make printk easier */ | |
155 | /*@{*/ | |
156 | ||
157 | /** | |
158 | * Error output. | |
159 | * | |
160 | * \param fmt printf() like format string. | |
161 | * \param arg arguments | |
162 | */ | |
163 | #define DRM_ERROR(fmt, arg...) \ | |
164 | printk(KERN_ERR "[" DRM_NAME ":%s] *ERROR* " fmt , __FUNCTION__ , ##arg) | |
165 | ||
166 | /** | |
167 | * Memory error output. | |
168 | * | |
169 | * \param area memory area where the error occurred. | |
170 | * \param fmt printf() like format string. | |
171 | * \param arg arguments | |
172 | */ | |
173 | #define DRM_MEM_ERROR(area, fmt, arg...) \ | |
174 | printk(KERN_ERR "[" DRM_NAME ":%s:%s] *ERROR* " fmt , __FUNCTION__, \ | |
175 | drm_mem_stats[area].name , ##arg) | |
176 | ||
177 | #define DRM_INFO(fmt, arg...) printk(KERN_INFO "[" DRM_NAME "] " fmt , ##arg) | |
178 | ||
179 | /** | |
180 | * Debug output. | |
b5e89ed5 | 181 | * |
1da177e4 LT |
182 | * \param fmt printf() like format string. |
183 | * \param arg arguments | |
184 | */ | |
185 | #if DRM_DEBUG_CODE | |
186 | #define DRM_DEBUG(fmt, arg...) \ | |
187 | do { \ | |
188 | if ( drm_debug ) \ | |
189 | printk(KERN_DEBUG \ | |
190 | "[" DRM_NAME ":%s] " fmt , \ | |
191 | __FUNCTION__ , ##arg); \ | |
192 | } while (0) | |
193 | #else | |
194 | #define DRM_DEBUG(fmt, arg...) do { } while (0) | |
195 | #endif | |
196 | ||
197 | #define DRM_PROC_LIMIT (PAGE_SIZE-80) | |
198 | ||
199 | #define DRM_PROC_PRINT(fmt, arg...) \ | |
200 | len += sprintf(&buf[len], fmt , ##arg); \ | |
201 | if (len > DRM_PROC_LIMIT) { *eof = 1; return len - offset; } | |
202 | ||
203 | #define DRM_PROC_PRINT_RET(ret, fmt, arg...) \ | |
204 | len += sprintf(&buf[len], fmt , ##arg); \ | |
205 | if (len > DRM_PROC_LIMIT) { ret; *eof = 1; return len - offset; } | |
206 | ||
207 | /*@}*/ | |
208 | ||
1da177e4 LT |
209 | /***********************************************************************/ |
210 | /** \name Internal types and structures */ | |
211 | /*@{*/ | |
212 | ||
99a2657a DA |
213 | #define DRM_ARRAY_SIZE(x) ARRAY_SIZE(x) |
214 | #define DRM_MIN(a,b) min(a,b) | |
215 | #define DRM_MAX(a,b) max(a,b) | |
1da177e4 LT |
216 | |
217 | #define DRM_LEFTCOUNT(x) (((x)->rp + (x)->count - (x)->wp) % ((x)->count + 1)) | |
218 | #define DRM_BUFCOUNT(x) ((x)->count - DRM_LEFTCOUNT(x)) | |
219 | #define DRM_WAITCOUNT(dev,idx) DRM_BUFCOUNT(&dev->queuelist[idx]->waitlist) | |
220 | ||
221 | #define DRM_IF_VERSION(maj, min) (maj << 16 | min) | |
222 | /** | |
223 | * Get the private SAREA mapping. | |
224 | * | |
225 | * \param _dev DRM device. | |
226 | * \param _ctx context number. | |
227 | * \param _map output mapping. | |
228 | */ | |
229 | #define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \ | |
230 | (_map) = (_dev)->context_sareas[_ctx]; \ | |
231 | } while(0) | |
232 | ||
233 | /** | |
234 | * Test that the hardware lock is held by the caller, returning otherwise. | |
235 | * | |
236 | * \param dev DRM device. | |
237 | * \param filp file pointer of the caller. | |
238 | */ | |
239 | #define LOCK_TEST_WITH_RETURN( dev, filp ) \ | |
240 | do { \ | |
241 | if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || \ | |
242 | dev->lock.filp != filp ) { \ | |
243 | DRM_ERROR( "%s called without lock held\n", \ | |
244 | __FUNCTION__ ); \ | |
245 | return -EINVAL; \ | |
246 | } \ | |
247 | } while (0) | |
248 | ||
249 | /** | |
250 | * Copy and IOCTL return string to user space | |
251 | */ | |
252 | #define DRM_COPY( name, value ) \ | |
253 | len = strlen( value ); \ | |
254 | if ( len > name##_len ) len = name##_len; \ | |
255 | name##_len = strlen( value ); \ | |
256 | if ( len && name ) { \ | |
257 | if ( copy_to_user( name, value, len ) ) \ | |
258 | return -EFAULT; \ | |
259 | } | |
b5e89ed5 | 260 | |
1da177e4 LT |
261 | /** |
262 | * Ioctl function type. | |
263 | * | |
264 | * \param inode device inode. | |
265 | * \param filp file pointer. | |
266 | * \param cmd command. | |
267 | * \param arg argument. | |
268 | */ | |
b5e89ed5 DA |
269 | typedef int drm_ioctl_t(struct inode *inode, struct file *filp, |
270 | unsigned int cmd, unsigned long arg); | |
1da177e4 | 271 | |
9a186645 DA |
272 | typedef int drm_ioctl_compat_t(struct file *filp, unsigned int cmd, |
273 | unsigned long arg); | |
274 | ||
a7a2cc31 DA |
275 | #define DRM_AUTH 0x1 |
276 | #define DRM_MASTER 0x2 | |
277 | #define DRM_ROOT_ONLY 0x4 | |
278 | ||
1da177e4 | 279 | typedef struct drm_ioctl_desc { |
b5e89ed5 | 280 | drm_ioctl_t *func; |
a7a2cc31 | 281 | int flags; |
1da177e4 LT |
282 | } drm_ioctl_desc_t; |
283 | ||
284 | typedef struct drm_devstate { | |
b5e89ed5 | 285 | pid_t owner; /**< X server pid holding x_lock */ |
1da177e4 LT |
286 | } drm_devstate_t; |
287 | ||
288 | typedef struct drm_magic_entry { | |
b5e89ed5 DA |
289 | drm_magic_t magic; |
290 | struct drm_file *priv; | |
1da177e4 LT |
291 | struct drm_magic_entry *next; |
292 | } drm_magic_entry_t; | |
293 | ||
294 | typedef struct drm_magic_head { | |
295 | struct drm_magic_entry *head; | |
296 | struct drm_magic_entry *tail; | |
297 | } drm_magic_head_t; | |
298 | ||
299 | typedef struct drm_vma_entry { | |
300 | struct vm_area_struct *vma; | |
b5e89ed5 DA |
301 | struct drm_vma_entry *next; |
302 | pid_t pid; | |
1da177e4 LT |
303 | } drm_vma_entry_t; |
304 | ||
305 | /** | |
306 | * DMA buffer. | |
307 | */ | |
308 | typedef struct drm_buf { | |
b5e89ed5 DA |
309 | int idx; /**< Index into master buflist */ |
310 | int total; /**< Buffer size */ | |
311 | int order; /**< log-base-2(total) */ | |
312 | int used; /**< Amount of buffer in use (for DMA) */ | |
313 | unsigned long offset; /**< Byte offset (used internally) */ | |
314 | void *address; /**< Address of buffer */ | |
315 | unsigned long bus_address; /**< Bus address of buffer */ | |
316 | struct drm_buf *next; /**< Kernel-only: used for free list */ | |
317 | __volatile__ int waiting; /**< On kernel DMA queue */ | |
318 | __volatile__ int pending; /**< On hardware DMA queue */ | |
1da177e4 | 319 | wait_queue_head_t dma_wait; /**< Processes waiting */ |
b5e89ed5 DA |
320 | struct file *filp; /**< Pointer to holding file descr */ |
321 | int context; /**< Kernel queue for this buffer */ | |
322 | int while_locked; /**< Dispatch this buffer while locked */ | |
1da177e4 | 323 | enum { |
b5e89ed5 DA |
324 | DRM_LIST_NONE = 0, |
325 | DRM_LIST_FREE = 1, | |
326 | DRM_LIST_WAIT = 2, | |
327 | DRM_LIST_PEND = 3, | |
328 | DRM_LIST_PRIO = 4, | |
1da177e4 | 329 | DRM_LIST_RECLAIM = 5 |
b5e89ed5 | 330 | } list; /**< Which list we're on */ |
1da177e4 | 331 | |
b5e89ed5 DA |
332 | int dev_priv_size; /**< Size of buffer private storage */ |
333 | void *dev_private; /**< Per-buffer private storage */ | |
1da177e4 LT |
334 | } drm_buf_t; |
335 | ||
1da177e4 LT |
336 | /** bufs is one longer than it has to be */ |
337 | typedef struct drm_waitlist { | |
b5e89ed5 DA |
338 | int count; /**< Number of possible buffers */ |
339 | drm_buf_t **bufs; /**< List of pointers to buffers */ | |
340 | drm_buf_t **rp; /**< Read pointer */ | |
341 | drm_buf_t **wp; /**< Write pointer */ | |
342 | drm_buf_t **end; /**< End pointer */ | |
343 | spinlock_t read_lock; | |
344 | spinlock_t write_lock; | |
1da177e4 LT |
345 | } drm_waitlist_t; |
346 | ||
347 | typedef struct drm_freelist { | |
b5e89ed5 DA |
348 | int initialized; /**< Freelist in use */ |
349 | atomic_t count; /**< Number of free buffers */ | |
350 | drm_buf_t *next; /**< End pointer */ | |
1da177e4 LT |
351 | |
352 | wait_queue_head_t waiting; /**< Processes waiting on free bufs */ | |
b5e89ed5 DA |
353 | int low_mark; /**< Low water mark */ |
354 | int high_mark; /**< High water mark */ | |
355 | atomic_t wfh; /**< If waiting for high mark */ | |
356 | spinlock_t lock; | |
1da177e4 LT |
357 | } drm_freelist_t; |
358 | ||
359 | /** | |
360 | * Buffer entry. There is one of this for each buffer size order. | |
361 | */ | |
362 | typedef struct drm_buf_entry { | |
b5e89ed5 DA |
363 | int buf_size; /**< size */ |
364 | int buf_count; /**< number of buffers */ | |
365 | drm_buf_t *buflist; /**< buffer list */ | |
366 | int seg_count; | |
367 | int page_order; | |
368 | unsigned long *seglist; | |
369 | ||
370 | drm_freelist_t freelist; | |
1da177e4 LT |
371 | } drm_buf_entry_t; |
372 | ||
373 | /** File private data */ | |
374 | typedef struct drm_file { | |
b5e89ed5 | 375 | int authenticated; |
a7a2cc31 | 376 | int master; |
b5e89ed5 DA |
377 | int minor; |
378 | pid_t pid; | |
379 | uid_t uid; | |
380 | drm_magic_t magic; | |
381 | unsigned long ioctl_count; | |
382 | struct drm_file *next; | |
383 | struct drm_file *prev; | |
384 | struct drm_head *head; | |
385 | int remove_auth_on_close; | |
386 | unsigned long lock_count; | |
387 | void *driver_priv; | |
1da177e4 LT |
388 | } drm_file_t; |
389 | ||
390 | /** Wait queue */ | |
391 | typedef struct drm_queue { | |
b5e89ed5 DA |
392 | atomic_t use_count; /**< Outstanding uses (+1) */ |
393 | atomic_t finalization; /**< Finalization in progress */ | |
394 | atomic_t block_count; /**< Count of processes waiting */ | |
395 | atomic_t block_read; /**< Queue blocked for reads */ | |
1da177e4 | 396 | wait_queue_head_t read_queue; /**< Processes waiting on block_read */ |
b5e89ed5 | 397 | atomic_t block_write; /**< Queue blocked for writes */ |
1da177e4 LT |
398 | wait_queue_head_t write_queue; /**< Processes waiting on block_write */ |
399 | #if 1 | |
b5e89ed5 DA |
400 | atomic_t total_queued; /**< Total queued statistic */ |
401 | atomic_t total_flushed; /**< Total flushes statistic */ | |
402 | atomic_t total_locks; /**< Total locks statistics */ | |
1da177e4 | 403 | #endif |
b5e89ed5 DA |
404 | drm_ctx_flags_t flags; /**< Context preserving and 2D-only */ |
405 | drm_waitlist_t waitlist; /**< Pending buffers */ | |
1da177e4 LT |
406 | wait_queue_head_t flush_queue; /**< Processes waiting until flush */ |
407 | } drm_queue_t; | |
408 | ||
409 | /** | |
410 | * Lock data. | |
411 | */ | |
412 | typedef struct drm_lock_data { | |
b5e89ed5 DA |
413 | drm_hw_lock_t *hw_lock; /**< Hardware lock */ |
414 | struct file *filp; /**< File descr of lock holder (0=kernel) */ | |
1da177e4 | 415 | wait_queue_head_t lock_queue; /**< Queue of blocked processes */ |
b5e89ed5 | 416 | unsigned long lock_time; /**< Time of last lock in jiffies */ |
1da177e4 LT |
417 | } drm_lock_data_t; |
418 | ||
419 | /** | |
420 | * DMA data. | |
421 | */ | |
422 | typedef struct drm_device_dma { | |
423 | ||
b5e89ed5 DA |
424 | drm_buf_entry_t bufs[DRM_MAX_ORDER + 1]; /**< buffers, grouped by their size order */ |
425 | int buf_count; /**< total number of buffers */ | |
426 | drm_buf_t **buflist; /**< Vector of pointers into drm_device_dma::bufs */ | |
427 | int seg_count; | |
428 | int page_count; /**< number of pages */ | |
429 | unsigned long *pagelist; /**< page list */ | |
430 | unsigned long byte_count; | |
1da177e4 LT |
431 | enum { |
432 | _DRM_DMA_USE_AGP = 0x01, | |
b5e89ed5 DA |
433 | _DRM_DMA_USE_SG = 0x02, |
434 | _DRM_DMA_USE_FB = 0x04 | |
1da177e4 LT |
435 | } flags; |
436 | ||
437 | } drm_device_dma_t; | |
438 | ||
b5e89ed5 | 439 | /** |
1da177e4 LT |
440 | * AGP memory entry. Stored as a doubly linked list. |
441 | */ | |
442 | typedef struct drm_agp_mem { | |
b5e89ed5 DA |
443 | unsigned long handle; /**< handle */ |
444 | DRM_AGP_MEM *memory; | |
445 | unsigned long bound; /**< address */ | |
446 | int pages; | |
1da177e4 LT |
447 | struct drm_agp_mem *prev; /**< previous entry */ |
448 | struct drm_agp_mem *next; /**< next entry */ | |
449 | } drm_agp_mem_t; | |
450 | ||
451 | /** | |
452 | * AGP data. | |
453 | * | |
454 | * \sa drm_agp_init() and drm_device::agp. | |
455 | */ | |
456 | typedef struct drm_agp_head { | |
b5e89ed5 DA |
457 | DRM_AGP_KERN agp_info; /**< AGP device information */ |
458 | drm_agp_mem_t *memory; /**< memory entries */ | |
459 | unsigned long mode; /**< AGP mode */ | |
460 | struct agp_bridge_data *bridge; | |
461 | int enabled; /**< whether the AGP bus as been enabled */ | |
462 | int acquired; /**< whether the AGP device has been acquired */ | |
463 | unsigned long base; | |
464 | int agp_mtrr; | |
465 | int cant_use_aperture; | |
466 | unsigned long page_mask; | |
1da177e4 LT |
467 | } drm_agp_head_t; |
468 | ||
469 | /** | |
470 | * Scatter-gather memory. | |
471 | */ | |
472 | typedef struct drm_sg_mem { | |
b5e89ed5 DA |
473 | unsigned long handle; |
474 | void *virtual; | |
475 | int pages; | |
476 | struct page **pagelist; | |
477 | dma_addr_t *busaddr; | |
1da177e4 LT |
478 | } drm_sg_mem_t; |
479 | ||
480 | typedef struct drm_sigdata { | |
b5e89ed5 | 481 | int context; |
1da177e4 LT |
482 | drm_hw_lock_t *lock; |
483 | } drm_sigdata_t; | |
484 | ||
9c8da5eb DA |
485 | typedef struct drm_dma_handle { |
486 | dma_addr_t busaddr; | |
487 | void *vaddr; | |
488 | size_t size; | |
489 | } drm_dma_handle_t; | |
490 | ||
1da177e4 LT |
491 | /** |
492 | * Mappings list | |
493 | */ | |
494 | typedef struct drm_map_list { | |
b5e89ed5 DA |
495 | struct list_head head; /**< list head */ |
496 | drm_map_t *map; /**< mapping */ | |
d1f2b55a | 497 | unsigned int user_token; |
1da177e4 LT |
498 | } drm_map_list_t; |
499 | ||
500 | typedef drm_map_t drm_local_map_t; | |
501 | ||
502 | /** | |
503 | * Context handle list | |
504 | */ | |
505 | typedef struct drm_ctx_list { | |
b5e89ed5 DA |
506 | struct list_head head; /**< list head */ |
507 | drm_context_t handle; /**< context handle */ | |
508 | drm_file_t *tag; /**< associated fd private data */ | |
1da177e4 LT |
509 | } drm_ctx_list_t; |
510 | ||
1da177e4 | 511 | typedef struct drm_vbl_sig { |
b5e89ed5 DA |
512 | struct list_head head; |
513 | unsigned int sequence; | |
514 | struct siginfo info; | |
515 | struct task_struct *task; | |
1da177e4 LT |
516 | } drm_vbl_sig_t; |
517 | ||
ea98a92f DA |
518 | /* location of GART table */ |
519 | #define DRM_ATI_GART_MAIN 1 | |
520 | #define DRM_ATI_GART_FB 2 | |
521 | ||
522 | typedef struct ati_pcigart_info { | |
523 | int gart_table_location; | |
524 | int is_pcie; | |
f26c473c | 525 | void *addr; |
ea98a92f | 526 | dma_addr_t bus_addr; |
f26c473c | 527 | drm_local_map_t mapping; |
ea98a92f DA |
528 | } drm_ati_pcigart_info; |
529 | ||
1da177e4 LT |
530 | /** |
531 | * DRM driver structure. This structure represent the common code for | |
532 | * a family of cards. There will one drm_device for each card present | |
533 | * in this family | |
534 | */ | |
535 | struct drm_device; | |
536 | ||
537 | struct drm_driver { | |
22eae947 DA |
538 | int (*load) (struct drm_device *, unsigned long flags); |
539 | int (*firstopen) (struct drm_device *); | |
540 | int (*open) (struct drm_device *, drm_file_t *); | |
541 | void (*preclose) (struct drm_device *, struct file * filp); | |
542 | void (*postclose) (struct drm_device *, drm_file_t *); | |
543 | void (*lastclose) (struct drm_device *); | |
544 | int (*unload) (struct drm_device *); | |
b5e89ed5 | 545 | int (*dma_ioctl) (DRM_IOCTL_ARGS); |
b5e89ed5 DA |
546 | void (*dma_ready) (struct drm_device *); |
547 | int (*dma_quiescent) (struct drm_device *); | |
548 | int (*context_ctor) (struct drm_device * dev, int context); | |
549 | int (*context_dtor) (struct drm_device * dev, int context); | |
550 | int (*kernel_context_switch) (struct drm_device * dev, int old, | |
551 | int new); | |
552 | void (*kernel_context_switch_unlock) (struct drm_device * dev, | |
d985c108 | 553 | drm_lock_t *lock); |
b5e89ed5 | 554 | int (*vblank_wait) (struct drm_device * dev, unsigned int *sequence); |
732052ed | 555 | int (*dri_library_name) (struct drm_device *dev, char *buf); |
b5e89ed5 | 556 | |
cda17380 DA |
557 | /** |
558 | * Called by \c drm_device_is_agp. Typically used to determine if a | |
559 | * card is really attached to AGP or not. | |
560 | * | |
561 | * \param dev DRM device handle | |
562 | * | |
563 | * \returns | |
564 | * One of three values is returned depending on whether or not the | |
565 | * card is absolutely \b not AGP (return of 0), absolutely \b is AGP | |
566 | * (return of 1), or may or may not be AGP (return of 2). | |
567 | */ | |
568 | int (*device_is_agp) (struct drm_device * dev); | |
569 | ||
1da177e4 | 570 | /* these have to be filled in */ |
b5e89ed5 | 571 | |
22eae947 | 572 | irqreturn_t(*irq_handler) (DRM_IRQ_ARGS); |
b5e89ed5 DA |
573 | void (*irq_preinstall) (struct drm_device * dev); |
574 | void (*irq_postinstall) (struct drm_device * dev); | |
575 | void (*irq_uninstall) (struct drm_device * dev); | |
576 | void (*reclaim_buffers) (struct drm_device * dev, struct file * filp); | |
d985c108 | 577 | void (*reclaim_buffers_locked) (struct drm_device *dev, |
22eae947 | 578 | struct file *filp); |
b5e89ed5 DA |
579 | unsigned long (*get_map_ofs) (drm_map_t * map); |
580 | unsigned long (*get_reg_ofs) (struct drm_device * dev); | |
581 | void (*set_version) (struct drm_device * dev, drm_set_version_t * sv); | |
22eae947 DA |
582 | |
583 | int major; | |
584 | int minor; | |
585 | int patchlevel; | |
586 | char *name; | |
587 | char *desc; | |
588 | char *date; | |
589 | ||
1da177e4 LT |
590 | u32 driver_features; |
591 | int dev_priv_size; | |
592 | drm_ioctl_desc_t *ioctls; | |
593 | int num_ioctls; | |
594 | struct file_operations fops; | |
595 | struct pci_driver pci_driver; | |
596 | }; | |
597 | ||
598 | /** | |
599 | * DRM head structure. This structure represent a video head on a card | |
600 | * that may contain multiple heads. Embed one per head of these in the | |
601 | * private drm_device structure. | |
602 | */ | |
603 | typedef struct drm_head { | |
604 | int minor; /**< Minor device number */ | |
605 | struct drm_device *dev; | |
606 | struct proc_dir_entry *dev_root; /**< proc directory entry */ | |
607 | dev_t device; /**< Device number for mknod */ | |
608 | struct class_device *dev_class; | |
609 | } drm_head_t; | |
610 | ||
611 | /** | |
612 | * DRM device structure. This structure represent a complete card that | |
613 | * may contain multiple heads. | |
614 | */ | |
615 | typedef struct drm_device { | |
b5e89ed5 DA |
616 | char *unique; /**< Unique identifier: e.g., busid */ |
617 | int unique_len; /**< Length of unique field */ | |
618 | char *devname; /**< For /proc/interrupts */ | |
619 | int if_version; /**< Highest interface version set */ | |
1da177e4 | 620 | |
b5e89ed5 | 621 | int blocked; /**< Blocked due to VC switch? */ |
1da177e4 LT |
622 | |
623 | /** \name Locks */ | |
b5e89ed5 DA |
624 | /*@{ */ |
625 | spinlock_t count_lock; /**< For inuse, drm_device::open_count, drm_device::buf_use */ | |
626 | struct semaphore struct_sem; /**< For others */ | |
627 | /*@} */ | |
1da177e4 LT |
628 | |
629 | /** \name Usage Counters */ | |
b5e89ed5 DA |
630 | /*@{ */ |
631 | int open_count; /**< Outstanding files open */ | |
632 | atomic_t ioctl_count; /**< Outstanding IOCTLs pending */ | |
633 | atomic_t vma_count; /**< Outstanding vma areas open */ | |
634 | int buf_use; /**< Buffers in use -- cannot alloc */ | |
635 | atomic_t buf_alloc; /**< Buffer allocation in progress */ | |
636 | /*@} */ | |
1da177e4 LT |
637 | |
638 | /** \name Performance counters */ | |
b5e89ed5 DA |
639 | /*@{ */ |
640 | unsigned long counters; | |
641 | drm_stat_type_t types[15]; | |
642 | atomic_t counts[15]; | |
643 | /*@} */ | |
1da177e4 LT |
644 | |
645 | /** \name Authentication */ | |
b5e89ed5 DA |
646 | /*@{ */ |
647 | drm_file_t *file_first; /**< file list head */ | |
648 | drm_file_t *file_last; /**< file list tail */ | |
649 | drm_magic_head_t magiclist[DRM_HASH_SIZE]; /**< magic hash table */ | |
650 | /*@} */ | |
1da177e4 LT |
651 | |
652 | /** \name Memory management */ | |
b5e89ed5 DA |
653 | /*@{ */ |
654 | drm_map_list_t *maplist; /**< Linked list of regions */ | |
655 | int map_count; /**< Number of mappable regions */ | |
1da177e4 LT |
656 | |
657 | /** \name Context handle management */ | |
b5e89ed5 DA |
658 | /*@{ */ |
659 | drm_ctx_list_t *ctxlist; /**< Linked list of context handles */ | |
660 | int ctx_count; /**< Number of context handles */ | |
661 | struct semaphore ctxlist_sem; /**< For ctxlist */ | |
1da177e4 | 662 | |
b5e89ed5 DA |
663 | drm_map_t **context_sareas; /**< per-context SAREA's */ |
664 | int max_context; | |
1da177e4 | 665 | |
b5e89ed5 DA |
666 | drm_vma_entry_t *vmalist; /**< List of vmas (for debugging) */ |
667 | drm_lock_data_t lock; /**< Information on hardware lock */ | |
668 | /*@} */ | |
1da177e4 LT |
669 | |
670 | /** \name DMA queues (contexts) */ | |
b5e89ed5 DA |
671 | /*@{ */ |
672 | int queue_count; /**< Number of active DMA queues */ | |
673 | int queue_reserved; /**< Number of reserved DMA queues */ | |
674 | int queue_slots; /**< Actual length of queuelist */ | |
675 | drm_queue_t **queuelist; /**< Vector of pointers to DMA queues */ | |
676 | drm_device_dma_t *dma; /**< Optional pointer for DMA support */ | |
677 | /*@} */ | |
1da177e4 LT |
678 | |
679 | /** \name Context support */ | |
b5e89ed5 DA |
680 | /*@{ */ |
681 | int irq; /**< Interrupt used by board */ | |
682 | int irq_enabled; /**< True if irq handler is enabled */ | |
1da177e4 LT |
683 | __volatile__ long context_flag; /**< Context swapping flag */ |
684 | __volatile__ long interrupt_flag; /**< Interruption handler flag */ | |
685 | __volatile__ long dma_flag; /**< DMA dispatch flag */ | |
686 | struct timer_list timer; /**< Timer for delaying ctx switch */ | |
b5e89ed5 DA |
687 | wait_queue_head_t context_wait; /**< Processes waiting on ctx switch */ |
688 | int last_checked; /**< Last context checked for DMA */ | |
689 | int last_context; /**< Last current context */ | |
690 | unsigned long last_switch; /**< jiffies at last context switch */ | |
691 | /*@} */ | |
692 | ||
693 | struct work_struct work; | |
1da177e4 | 694 | /** \name VBLANK IRQ support */ |
b5e89ed5 DA |
695 | /*@{ */ |
696 | ||
697 | wait_queue_head_t vbl_queue; /**< VBLANK wait queue */ | |
698 | atomic_t vbl_received; | |
699 | spinlock_t vbl_lock; | |
700 | drm_vbl_sig_t vbl_sigs; /**< signal list to send on VBLANK */ | |
701 | unsigned int vbl_pending; | |
702 | ||
703 | /*@} */ | |
704 | cycles_t ctx_start; | |
705 | cycles_t lck_start; | |
706 | ||
1da177e4 LT |
707 | struct fasync_struct *buf_async;/**< Processes waiting for SIGIO */ |
708 | wait_queue_head_t buf_readers; /**< Processes waiting to read */ | |
709 | wait_queue_head_t buf_writers; /**< Processes waiting to ctx switch */ | |
710 | ||
b5e89ed5 | 711 | drm_agp_head_t *agp; /**< AGP data */ |
1da177e4 | 712 | |
b5e89ed5 DA |
713 | struct pci_dev *pdev; /**< PCI device structure */ |
714 | int pci_domain; /**< PCI bus domain number */ | |
715 | int pci_bus; /**< PCI bus number */ | |
716 | int pci_slot; /**< PCI slot number */ | |
717 | int pci_func; /**< PCI function number */ | |
1da177e4 | 718 | #ifdef __alpha__ |
1da177e4 | 719 | struct pci_controller *hose; |
1da177e4 | 720 | #endif |
b5e89ed5 DA |
721 | drm_sg_mem_t *sg; /**< Scatter gather memory */ |
722 | unsigned long *ctx_bitmap; /**< context bitmap */ | |
723 | void *dev_private; /**< device private data */ | |
724 | drm_sigdata_t sigdata; /**< For block_all_signals */ | |
725 | sigset_t sigmask; | |
726 | ||
727 | struct drm_driver *driver; | |
728 | drm_local_map_t *agp_buffer_map; | |
d1f2b55a | 729 | unsigned int agp_buffer_token; |
1da177e4 LT |
730 | drm_head_t primary; /**< primary screen head */ |
731 | } drm_device_t; | |
732 | ||
b5e89ed5 DA |
733 | static __inline__ int drm_core_check_feature(struct drm_device *dev, |
734 | int feature) | |
1da177e4 LT |
735 | { |
736 | return ((dev->driver->driver_features & feature) ? 1 : 0); | |
737 | } | |
738 | ||
739 | #if __OS_HAS_AGP | |
740 | static inline int drm_core_has_AGP(struct drm_device *dev) | |
741 | { | |
b5e89ed5 | 742 | return drm_core_check_feature(dev, DRIVER_USE_AGP); |
1da177e4 LT |
743 | } |
744 | #else | |
745 | #define drm_core_has_AGP(dev) (0) | |
746 | #endif | |
747 | ||
748 | #if __OS_HAS_MTRR | |
749 | static inline int drm_core_has_MTRR(struct drm_device *dev) | |
750 | { | |
b5e89ed5 | 751 | return drm_core_check_feature(dev, DRIVER_USE_MTRR); |
1da177e4 | 752 | } |
269dc512 DA |
753 | |
754 | #define DRM_MTRR_WC MTRR_TYPE_WRCOMB | |
755 | ||
756 | static inline int drm_mtrr_add(unsigned long offset, unsigned long size, | |
757 | unsigned int flags) | |
758 | { | |
759 | return mtrr_add(offset, size, flags, 1); | |
760 | } | |
761 | ||
762 | static inline int drm_mtrr_del(int handle, unsigned long offset, | |
763 | unsigned long size, unsigned int flags) | |
764 | { | |
765 | return mtrr_del(handle, offset, size); | |
766 | } | |
767 | ||
1da177e4 LT |
768 | #else |
769 | #define drm_core_has_MTRR(dev) (0) | |
9c7d462e DA |
770 | |
771 | #define DRM_MTRR_WC 0 | |
772 | ||
773 | static inline int drm_mtrr_add(unsigned long offset, unsigned long size, | |
774 | unsigned int flags) | |
775 | { | |
776 | return 0; | |
777 | } | |
778 | ||
779 | static inline int drm_mtrr_del(int handle, unsigned long offset, | |
780 | unsigned long size, unsigned int flags) | |
781 | { | |
782 | return 0; | |
783 | } | |
1da177e4 LT |
784 | #endif |
785 | ||
786 | /******************************************************************/ | |
787 | /** \name Internal function definitions */ | |
788 | /*@{*/ | |
789 | ||
1da177e4 | 790 | /* Driver support (drm_drv.h) */ |
b5e89ed5 DA |
791 | extern int drm_init(struct drm_driver *driver); |
792 | extern void drm_exit(struct drm_driver *driver); | |
793 | extern int drm_ioctl(struct inode *inode, struct file *filp, | |
794 | unsigned int cmd, unsigned long arg); | |
795 | extern long drm_compat_ioctl(struct file *filp, | |
796 | unsigned int cmd, unsigned long arg); | |
22eae947 | 797 | extern int drm_lastclose(drm_device_t *dev); |
1da177e4 LT |
798 | |
799 | /* Device support (drm_fops.h) */ | |
b5e89ed5 DA |
800 | extern int drm_open(struct inode *inode, struct file *filp); |
801 | extern int drm_stub_open(struct inode *inode, struct file *filp); | |
b5e89ed5 DA |
802 | extern int drm_fasync(int fd, struct file *filp, int on); |
803 | extern int drm_release(struct inode *inode, struct file *filp); | |
1da177e4 LT |
804 | |
805 | /* Mapping support (drm_vm.h) */ | |
b5e89ed5 DA |
806 | extern int drm_mmap(struct file *filp, struct vm_area_struct *vma); |
807 | extern unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait); | |
1da177e4 LT |
808 | |
809 | /* Memory management support (drm_memory.h) */ | |
810 | #include "drm_memory.h" | |
b5e89ed5 DA |
811 | extern void drm_mem_init(void); |
812 | extern int drm_mem_info(char *buf, char **start, off_t offset, | |
813 | int request, int *eof, void *data); | |
814 | extern void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area); | |
1da177e4 | 815 | extern unsigned long drm_alloc_pages(int order, int area); |
b5e89ed5 DA |
816 | extern void drm_free_pages(unsigned long address, int order, int area); |
817 | extern void *drm_ioremap(unsigned long offset, unsigned long size, | |
818 | drm_device_t * dev); | |
819 | extern void *drm_ioremap_nocache(unsigned long offset, unsigned long size, | |
820 | drm_device_t * dev); | |
821 | extern void drm_ioremapfree(void *pt, unsigned long size, drm_device_t * dev); | |
822 | ||
823 | extern DRM_AGP_MEM *drm_alloc_agp(drm_device_t * dev, int pages, u32 type); | |
824 | extern int drm_free_agp(DRM_AGP_MEM * handle, int pages); | |
825 | extern int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start); | |
826 | extern int drm_unbind_agp(DRM_AGP_MEM * handle); | |
1da177e4 LT |
827 | |
828 | /* Misc. IOCTL support (drm_ioctl.h) */ | |
b5e89ed5 DA |
829 | extern int drm_irq_by_busid(struct inode *inode, struct file *filp, |
830 | unsigned int cmd, unsigned long arg); | |
831 | extern int drm_getunique(struct inode *inode, struct file *filp, | |
832 | unsigned int cmd, unsigned long arg); | |
833 | extern int drm_setunique(struct inode *inode, struct file *filp, | |
834 | unsigned int cmd, unsigned long arg); | |
835 | extern int drm_getmap(struct inode *inode, struct file *filp, | |
836 | unsigned int cmd, unsigned long arg); | |
837 | extern int drm_getclient(struct inode *inode, struct file *filp, | |
838 | unsigned int cmd, unsigned long arg); | |
839 | extern int drm_getstats(struct inode *inode, struct file *filp, | |
840 | unsigned int cmd, unsigned long arg); | |
841 | extern int drm_setversion(struct inode *inode, struct file *filp, | |
842 | unsigned int cmd, unsigned long arg); | |
d985c108 DA |
843 | extern int drm_noop(struct inode *inode, struct file *filp, |
844 | unsigned int cmd, unsigned long arg); | |
1da177e4 LT |
845 | |
846 | /* Context IOCTL support (drm_context.h) */ | |
b5e89ed5 DA |
847 | extern int drm_resctx(struct inode *inode, struct file *filp, |
848 | unsigned int cmd, unsigned long arg); | |
849 | extern int drm_addctx(struct inode *inode, struct file *filp, | |
850 | unsigned int cmd, unsigned long arg); | |
851 | extern int drm_modctx(struct inode *inode, struct file *filp, | |
852 | unsigned int cmd, unsigned long arg); | |
853 | extern int drm_getctx(struct inode *inode, struct file *filp, | |
854 | unsigned int cmd, unsigned long arg); | |
855 | extern int drm_switchctx(struct inode *inode, struct file *filp, | |
856 | unsigned int cmd, unsigned long arg); | |
857 | extern int drm_newctx(struct inode *inode, struct file *filp, | |
858 | unsigned int cmd, unsigned long arg); | |
859 | extern int drm_rmctx(struct inode *inode, struct file *filp, | |
860 | unsigned int cmd, unsigned long arg); | |
861 | ||
862 | extern int drm_ctxbitmap_init(drm_device_t * dev); | |
863 | extern void drm_ctxbitmap_cleanup(drm_device_t * dev); | |
864 | extern void drm_ctxbitmap_free(drm_device_t * dev, int ctx_handle); | |
865 | ||
866 | extern int drm_setsareactx(struct inode *inode, struct file *filp, | |
867 | unsigned int cmd, unsigned long arg); | |
868 | extern int drm_getsareactx(struct inode *inode, struct file *filp, | |
869 | unsigned int cmd, unsigned long arg); | |
1da177e4 LT |
870 | |
871 | /* Drawable IOCTL support (drm_drawable.h) */ | |
b5e89ed5 DA |
872 | extern int drm_adddraw(struct inode *inode, struct file *filp, |
873 | unsigned int cmd, unsigned long arg); | |
874 | extern int drm_rmdraw(struct inode *inode, struct file *filp, | |
875 | unsigned int cmd, unsigned long arg); | |
1da177e4 LT |
876 | |
877 | /* Authentication IOCTL support (drm_auth.h) */ | |
b5e89ed5 DA |
878 | extern int drm_getmagic(struct inode *inode, struct file *filp, |
879 | unsigned int cmd, unsigned long arg); | |
880 | extern int drm_authmagic(struct inode *inode, struct file *filp, | |
881 | unsigned int cmd, unsigned long arg); | |
1da177e4 | 882 | |
1da177e4 | 883 | /* Locking IOCTL support (drm_lock.h) */ |
b5e89ed5 DA |
884 | extern int drm_lock(struct inode *inode, struct file *filp, |
885 | unsigned int cmd, unsigned long arg); | |
886 | extern int drm_unlock(struct inode *inode, struct file *filp, | |
887 | unsigned int cmd, unsigned long arg); | |
888 | extern int drm_lock_take(__volatile__ unsigned int *lock, unsigned int context); | |
889 | extern int drm_lock_free(drm_device_t * dev, | |
890 | __volatile__ unsigned int *lock, unsigned int context); | |
1da177e4 LT |
891 | |
892 | /* Buffer management support (drm_bufs.h) */ | |
b5e89ed5 DA |
893 | extern int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * request); |
894 | extern int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request); | |
d985c108 | 895 | extern int drm_addbufs_fb(drm_device_t *dev, drm_buf_desc_t *request); |
b5e89ed5 | 896 | extern int drm_addmap(drm_device_t * dev, unsigned int offset, |
7ab98401 | 897 | unsigned int size, drm_map_type_t type, |
b5e89ed5 | 898 | drm_map_flags_t flags, drm_local_map_t ** map_ptr); |
7ab98401 DA |
899 | extern int drm_addmap_ioctl(struct inode *inode, struct file *filp, |
900 | unsigned int cmd, unsigned long arg); | |
b5e89ed5 DA |
901 | extern int drm_rmmap(drm_device_t * dev, drm_local_map_t * map); |
902 | extern int drm_rmmap_locked(drm_device_t * dev, drm_local_map_t * map); | |
7ab98401 DA |
903 | extern int drm_rmmap_ioctl(struct inode *inode, struct file *filp, |
904 | unsigned int cmd, unsigned long arg); | |
905 | ||
b5e89ed5 DA |
906 | extern int drm_order(unsigned long size); |
907 | extern int drm_addbufs(struct inode *inode, struct file *filp, | |
908 | unsigned int cmd, unsigned long arg); | |
909 | extern int drm_infobufs(struct inode *inode, struct file *filp, | |
910 | unsigned int cmd, unsigned long arg); | |
911 | extern int drm_markbufs(struct inode *inode, struct file *filp, | |
912 | unsigned int cmd, unsigned long arg); | |
913 | extern int drm_freebufs(struct inode *inode, struct file *filp, | |
914 | unsigned int cmd, unsigned long arg); | |
915 | extern int drm_mapbufs(struct inode *inode, struct file *filp, | |
916 | unsigned int cmd, unsigned long arg); | |
917 | extern unsigned long drm_get_resource_start(drm_device_t * dev, | |
836cf046 | 918 | unsigned int resource); |
b5e89ed5 | 919 | extern unsigned long drm_get_resource_len(drm_device_t * dev, |
836cf046 | 920 | unsigned int resource); |
1da177e4 LT |
921 | |
922 | /* DMA support (drm_dma.h) */ | |
b5e89ed5 DA |
923 | extern int drm_dma_setup(drm_device_t * dev); |
924 | extern void drm_dma_takedown(drm_device_t * dev); | |
925 | extern void drm_free_buffer(drm_device_t * dev, drm_buf_t * buf); | |
926 | extern void drm_core_reclaim_buffers(drm_device_t * dev, struct file *filp); | |
1da177e4 LT |
927 | |
928 | /* IRQ support (drm_irq.h) */ | |
b5e89ed5 DA |
929 | extern int drm_control(struct inode *inode, struct file *filp, |
930 | unsigned int cmd, unsigned long arg); | |
b5e89ed5 | 931 | extern irqreturn_t drm_irq_handler(DRM_IRQ_ARGS); |
d985c108 | 932 | extern int drm_irq_uninstall(drm_device_t * dev); |
b5e89ed5 DA |
933 | extern void drm_driver_irq_preinstall(drm_device_t * dev); |
934 | extern void drm_driver_irq_postinstall(drm_device_t * dev); | |
935 | extern void drm_driver_irq_uninstall(drm_device_t * dev); | |
936 | ||
937 | extern int drm_wait_vblank(struct inode *inode, struct file *filp, | |
938 | unsigned int cmd, unsigned long arg); | |
939 | extern int drm_vblank_wait(drm_device_t * dev, unsigned int *vbl_seq); | |
940 | extern void drm_vbl_send_signals(drm_device_t * dev); | |
1da177e4 LT |
941 | |
942 | /* AGP/GART support (drm_agpsupport.h) */ | |
b5e89ed5 | 943 | extern drm_agp_head_t *drm_agp_init(drm_device_t * dev); |
7ab98401 DA |
944 | extern int drm_agp_acquire(drm_device_t * dev); |
945 | extern int drm_agp_acquire_ioctl(struct inode *inode, struct file *filp, | |
b5e89ed5 DA |
946 | unsigned int cmd, unsigned long arg); |
947 | extern int drm_agp_release(drm_device_t * dev); | |
7ab98401 | 948 | extern int drm_agp_release_ioctl(struct inode *inode, struct file *filp, |
b5e89ed5 DA |
949 | unsigned int cmd, unsigned long arg); |
950 | extern int drm_agp_enable(drm_device_t * dev, drm_agp_mode_t mode); | |
7ab98401 | 951 | extern int drm_agp_enable_ioctl(struct inode *inode, struct file *filp, |
b5e89ed5 DA |
952 | unsigned int cmd, unsigned long arg); |
953 | extern int drm_agp_info(drm_device_t * dev, drm_agp_info_t * info); | |
7ab98401 | 954 | extern int drm_agp_info_ioctl(struct inode *inode, struct file *filp, |
b5e89ed5 | 955 | unsigned int cmd, unsigned long arg); |
efa58395 DA |
956 | extern int drm_agp_alloc(drm_device_t *dev, drm_agp_buffer_t *request); |
957 | extern int drm_agp_alloc_ioctl(struct inode *inode, struct file *filp, | |
b5e89ed5 | 958 | unsigned int cmd, unsigned long arg); |
efa58395 DA |
959 | extern int drm_agp_free(drm_device_t *dev, drm_agp_buffer_t *request); |
960 | extern int drm_agp_free_ioctl(struct inode *inode, struct file *filp, | |
7ab98401 | 961 | unsigned int cmd, unsigned long arg); |
efa58395 DA |
962 | extern int drm_agp_unbind(drm_device_t *dev, drm_agp_binding_t *request); |
963 | extern int drm_agp_unbind_ioctl(struct inode *inode, struct file *filp, | |
b5e89ed5 | 964 | unsigned int cmd, unsigned long arg); |
efa58395 DA |
965 | extern int drm_agp_bind(drm_device_t *dev, drm_agp_binding_t *request); |
966 | extern int drm_agp_bind_ioctl(struct inode *inode, struct file *filp, | |
b5e89ed5 DA |
967 | unsigned int cmd, unsigned long arg); |
968 | extern DRM_AGP_MEM *drm_agp_allocate_memory(struct agp_bridge_data *bridge, | |
969 | size_t pages, u32 type); | |
970 | extern int drm_agp_free_memory(DRM_AGP_MEM * handle); | |
971 | extern int drm_agp_bind_memory(DRM_AGP_MEM * handle, off_t start); | |
972 | extern int drm_agp_unbind_memory(DRM_AGP_MEM * handle); | |
1da177e4 LT |
973 | |
974 | /* Stub support (drm_stub.h) */ | |
975 | extern int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent, | |
b5e89ed5 | 976 | struct drm_driver *driver); |
1da177e4 | 977 | extern int drm_put_dev(drm_device_t * dev); |
1da177e4 | 978 | extern int drm_put_head(drm_head_t * head); |
b5e89ed5 DA |
979 | extern unsigned int drm_debug; |
980 | extern unsigned int drm_cards_limit; | |
1da177e4 LT |
981 | extern drm_head_t **drm_heads; |
982 | extern struct drm_sysfs_class *drm_class; | |
983 | extern struct proc_dir_entry *drm_proc_root; | |
984 | ||
985 | /* Proc support (drm_proc.h) */ | |
b5e89ed5 DA |
986 | extern int drm_proc_init(drm_device_t * dev, |
987 | int minor, | |
988 | struct proc_dir_entry *root, | |
989 | struct proc_dir_entry **dev_root); | |
990 | extern int drm_proc_cleanup(int minor, | |
991 | struct proc_dir_entry *root, | |
992 | struct proc_dir_entry *dev_root); | |
1da177e4 LT |
993 | |
994 | /* Scatter Gather Support (drm_scatter.h) */ | |
b5e89ed5 DA |
995 | extern void drm_sg_cleanup(drm_sg_mem_t * entry); |
996 | extern int drm_sg_alloc(struct inode *inode, struct file *filp, | |
997 | unsigned int cmd, unsigned long arg); | |
998 | extern int drm_sg_free(struct inode *inode, struct file *filp, | |
999 | unsigned int cmd, unsigned long arg); | |
1da177e4 | 1000 | |
b5e89ed5 DA |
1001 | /* ATI PCIGART support (ati_pcigart.h) */ |
1002 | extern int drm_ati_pcigart_init(drm_device_t * dev, | |
1003 | drm_ati_pcigart_info * gart_info); | |
1004 | extern int drm_ati_pcigart_cleanup(drm_device_t * dev, | |
1005 | drm_ati_pcigart_info * gart_info); | |
1da177e4 | 1006 | |
b5e89ed5 | 1007 | extern drm_dma_handle_t *drm_pci_alloc(drm_device_t * dev, size_t size, |
9c8da5eb | 1008 | size_t align, dma_addr_t maxaddr); |
b5e89ed5 DA |
1009 | extern void __drm_pci_free(drm_device_t * dev, drm_dma_handle_t * dmah); |
1010 | extern void drm_pci_free(drm_device_t * dev, drm_dma_handle_t * dmah); | |
1da177e4 LT |
1011 | |
1012 | /* sysfs support (drm_sysfs.c) */ | |
1013 | struct drm_sysfs_class; | |
1014 | extern struct drm_sysfs_class *drm_sysfs_create(struct module *owner, | |
1015 | char *name); | |
1016 | extern void drm_sysfs_destroy(struct drm_sysfs_class *cs); | |
1017 | extern struct class_device *drm_sysfs_device_add(struct drm_sysfs_class *cs, | |
732052ed DA |
1018 | drm_head_t *head); |
1019 | extern void drm_sysfs_device_remove(struct class_device *class_dev); | |
1da177e4 | 1020 | |
1da177e4 | 1021 | /* Inline replacements for DRM_IOREMAP macros */ |
b5e89ed5 DA |
1022 | static __inline__ void drm_core_ioremap(struct drm_map *map, |
1023 | struct drm_device *dev) | |
1da177e4 | 1024 | { |
b5e89ed5 | 1025 | map->handle = drm_ioremap(map->offset, map->size, dev); |
1da177e4 LT |
1026 | } |
1027 | ||
b5e89ed5 DA |
1028 | static __inline__ void drm_core_ioremap_nocache(struct drm_map *map, |
1029 | struct drm_device *dev) | |
1da177e4 LT |
1030 | { |
1031 | map->handle = drm_ioremap_nocache(map->offset, map->size, dev); | |
1032 | } | |
1033 | ||
b5e89ed5 DA |
1034 | static __inline__ void drm_core_ioremapfree(struct drm_map *map, |
1035 | struct drm_device *dev) | |
1da177e4 | 1036 | { |
b5e89ed5 DA |
1037 | if (map->handle && map->size) |
1038 | drm_ioremapfree(map->handle, map->size, dev); | |
1da177e4 LT |
1039 | } |
1040 | ||
b5e89ed5 DA |
1041 | static __inline__ struct drm_map *drm_core_findmap(struct drm_device *dev, |
1042 | unsigned int token) | |
1da177e4 | 1043 | { |
d1f2b55a DA |
1044 | drm_map_list_t *_entry; |
1045 | list_for_each_entry(_entry, &dev->maplist->head, head) | |
b5e89ed5 DA |
1046 | if (_entry->user_token == token) |
1047 | return _entry->map; | |
1da177e4 LT |
1048 | return NULL; |
1049 | } | |
1050 | ||
b5e89ed5 | 1051 | static __inline__ int drm_device_is_agp(drm_device_t * dev) |
cda17380 | 1052 | { |
b5e89ed5 DA |
1053 | if (dev->driver->device_is_agp != NULL) { |
1054 | int err = (*dev->driver->device_is_agp) (dev); | |
1055 | ||
cda17380 DA |
1056 | if (err != 2) { |
1057 | return err; | |
1058 | } | |
1059 | } | |
1060 | ||
1061 | return pci_find_capability(dev->pdev, PCI_CAP_ID_AGP); | |
1062 | } | |
1063 | ||
b5e89ed5 | 1064 | static __inline__ int drm_device_is_pcie(drm_device_t * dev) |
ea98a92f DA |
1065 | { |
1066 | return pci_find_capability(dev->pdev, PCI_CAP_ID_EXP); | |
1067 | } | |
1068 | ||
1da177e4 LT |
1069 | static __inline__ void drm_core_dropmap(struct drm_map *map) |
1070 | { | |
1071 | } | |
1072 | ||
1073 | #ifndef DEBUG_MEMORY | |
1074 | /** Wrapper around kmalloc() */ | |
1075 | static __inline__ void *drm_alloc(size_t size, int area) | |
1076 | { | |
1077 | return kmalloc(size, GFP_KERNEL); | |
1078 | } | |
1079 | ||
1080 | /** Wrapper around kfree() */ | |
1081 | static __inline__ void drm_free(void *pt, size_t size, int area) | |
1082 | { | |
1083 | kfree(pt); | |
1084 | } | |
b9523249 DA |
1085 | |
1086 | /** Wrapper around kcalloc() */ | |
1087 | static __inline__ void *drm_calloc(size_t nmemb, size_t size, int area) | |
1088 | { | |
1089 | return kcalloc(nmemb, size, GFP_KERNEL); | |
1090 | } | |
1da177e4 LT |
1091 | #else |
1092 | extern void *drm_alloc(size_t size, int area); | |
1093 | extern void drm_free(void *pt, size_t size, int area); | |
b9523249 | 1094 | extern void *drm_calloc(size_t nmemb, size_t size, int area); |
1da177e4 LT |
1095 | #endif |
1096 | ||
1097 | /*@}*/ | |
1098 | ||
b5e89ed5 | 1099 | extern unsigned long drm_core_get_map_ofs(drm_map_t * map); |
1da177e4 LT |
1100 | extern unsigned long drm_core_get_reg_ofs(struct drm_device *dev); |
1101 | ||
982245f0 AB |
1102 | #ifndef pci_pretty_name |
1103 | #define pci_pretty_name(dev) "" | |
1104 | #endif | |
1105 | ||
b5e89ed5 | 1106 | #endif /* __KERNEL__ */ |
1da177e4 | 1107 | #endif |