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