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-rw-r--r--drivers/char/drm/drmP.h886
1 files changed, 446 insertions, 440 deletions
diff --git a/drivers/char/drm/drmP.h b/drivers/char/drm/drmP.h
index 121cc85f347e..3dc3c9d79ae4 100644
--- a/drivers/char/drm/drmP.h
+++ b/drivers/char/drm/drmP.h
@@ -1,7 +1,7 @@
1/** 1/**
2 * \file drmP.h 2 * \file drmP.h
3 * Private header for Direct Rendering Manager 3 * Private header for Direct Rendering Manager
4 * 4 *
5 * \author Rickard E. (Rik) Faith <faith@valinux.com> 5 * \author Rickard E. (Rik) Faith <faith@valinux.com>
6 * \author Gareth Hughes <gareth@valinux.com> 6 * \author Gareth Hughes <gareth@valinux.com>
7 */ 7 */
@@ -43,7 +43,7 @@
43 * before static inline funcs in wait.h. Doing this so we 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 */ 44 * can build the DRM (part of PI DRI). 4/21/2000 S + B */
45#include <asm/current.h> 45#include <asm/current.h>
46#endif /* __alpha__ */ 46#endif /* __alpha__ */
47#include <linux/config.h> 47#include <linux/config.h>
48#include <linux/module.h> 48#include <linux/module.h>
49#include <linux/kernel.h> 49#include <linux/kernel.h>
@@ -58,7 +58,7 @@
58#include <linux/mm.h> 58#include <linux/mm.h>
59#include <linux/cdev.h> 59#include <linux/cdev.h>
60#if defined(__alpha__) || defined(__powerpc__) 60#if defined(__alpha__) || defined(__powerpc__)
61#include <asm/pgtable.h> /* For pte_wrprotect */ 61#include <asm/pgtable.h> /* For pte_wrprotect */
62#endif 62#endif
63#include <asm/io.h> 63#include <asm/io.h>
64#include <asm/mman.h> 64#include <asm/mman.h>
@@ -108,7 +108,6 @@
108#define DRM_KERNEL_CONTEXT 0 /**< Change drm_resctx if changed */ 108#define DRM_KERNEL_CONTEXT 0 /**< Change drm_resctx if changed */
109#define DRM_RESERVED_CONTEXTS 1 /**< Change drm_resctx if changed */ 109#define DRM_RESERVED_CONTEXTS 1 /**< Change drm_resctx if changed */
110#define DRM_LOOPING_LIMIT 5000000 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 */ 111#define DRM_TIME_SLICE (HZ/20) /**< Time slice for GLXContexts */
113#define DRM_LOCK_SLICE 1 /**< Time slice for lock, in jiffies */ 112#define DRM_LOCK_SLICE 1 /**< Time slice for lock, in jiffies */
114 113
@@ -138,16 +137,15 @@
138#define DRM_MEM_CTXLIST 21 137#define DRM_MEM_CTXLIST 21
139 138
140#define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) 139#define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8)
141
142/*@}*/
143 140
141/*@}*/
144 142
145/***********************************************************************/ 143/***********************************************************************/
146/** \name Backward compatibility section */ 144/** \name Backward compatibility section */
147/*@{*/ 145/*@{*/
148 146
149#ifndef MODULE_LICENSE 147#ifndef MODULE_LICENSE
150#define MODULE_LICENSE(x) 148#define MODULE_LICENSE(x)
151#endif 149#endif
152 150
153#ifndef preempt_disable 151#ifndef preempt_disable
@@ -155,7 +153,7 @@
155#define preempt_enable() 153#define preempt_enable()
156#endif 154#endif
157 155
158#ifndef pte_offset_map 156#ifndef pte_offset_map
159#define pte_offset_map pte_offset 157#define pte_offset_map pte_offset
160#define pte_unmap(pte) 158#define pte_unmap(pte)
161#endif 159#endif
@@ -166,7 +164,6 @@
166 164
167/*@}*/ 165/*@}*/
168 166
169
170/***********************************************************************/ 167/***********************************************************************/
171/** \name Macros to make printk easier */ 168/** \name Macros to make printk easier */
172/*@{*/ 169/*@{*/
@@ -195,7 +192,7 @@
195 192
196/** 193/**
197 * Debug output. 194 * Debug output.
198 * 195 *
199 * \param fmt printf() like format string. 196 * \param fmt printf() like format string.
200 * \param arg arguments 197 * \param arg arguments
201 */ 198 */
@@ -223,14 +220,13 @@
223 220
224/*@}*/ 221/*@}*/
225 222
226
227/***********************************************************************/ 223/***********************************************************************/
228/** \name Internal types and structures */ 224/** \name Internal types and structures */
229/*@{*/ 225/*@{*/
230 226
231#define DRM_ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) 227#define DRM_ARRAY_SIZE(x) ARRAY_SIZE(x)
232#define DRM_MIN(a,b) ((a)<(b)?(a):(b)) 228#define DRM_MIN(a,b) min(a,b)
233#define DRM_MAX(a,b) ((a)>(b)?(a):(b)) 229#define DRM_MAX(a,b) max(a,b)
234 230
235#define DRM_LEFTCOUNT(x) (((x)->rp + (x)->count - (x)->wp) % ((x)->count + 1)) 231#define DRM_LEFTCOUNT(x) (((x)->rp + (x)->count - (x)->wp) % ((x)->count + 1))
236#define DRM_BUFCOUNT(x) ((x)->count - DRM_LEFTCOUNT(x)) 232#define DRM_BUFCOUNT(x) ((x)->count - DRM_LEFTCOUNT(x))
@@ -275,7 +271,7 @@ do { \
275 if ( copy_to_user( name, value, len ) ) \ 271 if ( copy_to_user( name, value, len ) ) \
276 return -EFAULT; \ 272 return -EFAULT; \
277 } 273 }
278 274
279/** 275/**
280 * Ioctl function type. 276 * Ioctl function type.
281 * 277 *
@@ -284,25 +280,25 @@ do { \
284 * \param cmd command. 280 * \param cmd command.
285 * \param arg argument. 281 * \param arg argument.
286 */ 282 */
287typedef int drm_ioctl_t( struct inode *inode, struct file *filp, 283typedef int drm_ioctl_t(struct inode *inode, struct file *filp,
288 unsigned int cmd, unsigned long arg ); 284 unsigned int cmd, unsigned long arg);
289 285
290typedef int drm_ioctl_compat_t(struct file *filp, unsigned int cmd, 286typedef int drm_ioctl_compat_t(struct file *filp, unsigned int cmd,
291 unsigned long arg); 287 unsigned long arg);
292 288
293typedef struct drm_ioctl_desc { 289typedef struct drm_ioctl_desc {
294 drm_ioctl_t *func; 290 drm_ioctl_t *func;
295 int auth_needed; 291 int auth_needed;
296 int root_only; 292 int root_only;
297} drm_ioctl_desc_t; 293} drm_ioctl_desc_t;
298 294
299typedef struct drm_devstate { 295typedef struct drm_devstate {
300 pid_t owner; /**< X server pid holding x_lock */ 296 pid_t owner; /**< X server pid holding x_lock */
301} drm_devstate_t; 297} drm_devstate_t;
302 298
303typedef struct drm_magic_entry { 299typedef struct drm_magic_entry {
304 drm_magic_t magic; 300 drm_magic_t magic;
305 struct drm_file *priv; 301 struct drm_file *priv;
306 struct drm_magic_entry *next; 302 struct drm_magic_entry *next;
307} drm_magic_entry_t; 303} drm_magic_entry_t;
308 304
@@ -313,111 +309,110 @@ typedef struct drm_magic_head {
313 309
314typedef struct drm_vma_entry { 310typedef struct drm_vma_entry {
315 struct vm_area_struct *vma; 311 struct vm_area_struct *vma;
316 struct drm_vma_entry *next; 312 struct drm_vma_entry *next;
317 pid_t pid; 313 pid_t pid;
318} drm_vma_entry_t; 314} drm_vma_entry_t;
319 315
320/** 316/**
321 * DMA buffer. 317 * DMA buffer.
322 */ 318 */
323typedef struct drm_buf { 319typedef struct drm_buf {
324 int idx; /**< Index into master buflist */ 320 int idx; /**< Index into master buflist */
325 int total; /**< Buffer size */ 321 int total; /**< Buffer size */
326 int order; /**< log-base-2(total) */ 322 int order; /**< log-base-2(total) */
327 int used; /**< Amount of buffer in use (for DMA) */ 323 int used; /**< Amount of buffer in use (for DMA) */
328 unsigned long offset; /**< Byte offset (used internally) */ 324 unsigned long offset; /**< Byte offset (used internally) */
329 void *address; /**< Address of buffer */ 325 void *address; /**< Address of buffer */
330 unsigned long bus_address; /**< Bus address of buffer */ 326 unsigned long bus_address; /**< Bus address of buffer */
331 struct drm_buf *next; /**< Kernel-only: used for free list */ 327 struct drm_buf *next; /**< Kernel-only: used for free list */
332 __volatile__ int waiting; /**< On kernel DMA queue */ 328 __volatile__ int waiting; /**< On kernel DMA queue */
333 __volatile__ int pending; /**< On hardware DMA queue */ 329 __volatile__ int pending; /**< On hardware DMA queue */
334 wait_queue_head_t dma_wait; /**< Processes waiting */ 330 wait_queue_head_t dma_wait; /**< Processes waiting */
335 struct file *filp; /**< Pointer to holding file descr */ 331 struct file *filp; /**< Pointer to holding file descr */
336 int context; /**< Kernel queue for this buffer */ 332 int context; /**< Kernel queue for this buffer */
337 int while_locked;/**< Dispatch this buffer while locked */ 333 int while_locked; /**< Dispatch this buffer while locked */
338 enum { 334 enum {
339 DRM_LIST_NONE = 0, 335 DRM_LIST_NONE = 0,
340 DRM_LIST_FREE = 1, 336 DRM_LIST_FREE = 1,
341 DRM_LIST_WAIT = 2, 337 DRM_LIST_WAIT = 2,
342 DRM_LIST_PEND = 3, 338 DRM_LIST_PEND = 3,
343 DRM_LIST_PRIO = 4, 339 DRM_LIST_PRIO = 4,
344 DRM_LIST_RECLAIM = 5 340 DRM_LIST_RECLAIM = 5
345 } list; /**< Which list we're on */ 341 } list; /**< Which list we're on */
346 342
347 int dev_priv_size; /**< Size of buffer private storage */ 343 int dev_priv_size; /**< Size of buffer private storage */
348 void *dev_private; /**< Per-buffer private storage */ 344 void *dev_private; /**< Per-buffer private storage */
349} drm_buf_t; 345} drm_buf_t;
350 346
351
352/** bufs is one longer than it has to be */ 347/** bufs is one longer than it has to be */
353typedef struct drm_waitlist { 348typedef struct drm_waitlist {
354 int count; /**< Number of possible buffers */ 349 int count; /**< Number of possible buffers */
355 drm_buf_t **bufs; /**< List of pointers to buffers */ 350 drm_buf_t **bufs; /**< List of pointers to buffers */
356 drm_buf_t **rp; /**< Read pointer */ 351 drm_buf_t **rp; /**< Read pointer */
357 drm_buf_t **wp; /**< Write pointer */ 352 drm_buf_t **wp; /**< Write pointer */
358 drm_buf_t **end; /**< End pointer */ 353 drm_buf_t **end; /**< End pointer */
359 spinlock_t read_lock; 354 spinlock_t read_lock;
360 spinlock_t write_lock; 355 spinlock_t write_lock;
361} drm_waitlist_t; 356} drm_waitlist_t;
362 357
363typedef struct drm_freelist { 358typedef struct drm_freelist {
364 int initialized; /**< Freelist in use */ 359 int initialized; /**< Freelist in use */
365 atomic_t count; /**< Number of free buffers */ 360 atomic_t count; /**< Number of free buffers */
366 drm_buf_t *next; /**< End pointer */ 361 drm_buf_t *next; /**< End pointer */
367 362
368 wait_queue_head_t waiting; /**< Processes waiting on free bufs */ 363 wait_queue_head_t waiting; /**< Processes waiting on free bufs */
369 int low_mark; /**< Low water mark */ 364 int low_mark; /**< Low water mark */
370 int high_mark; /**< High water mark */ 365 int high_mark; /**< High water mark */
371 atomic_t wfh; /**< If waiting for high mark */ 366 atomic_t wfh; /**< If waiting for high mark */
372 spinlock_t lock; 367 spinlock_t lock;
373} drm_freelist_t; 368} drm_freelist_t;
374 369
375/** 370/**
376 * Buffer entry. There is one of this for each buffer size order. 371 * Buffer entry. There is one of this for each buffer size order.
377 */ 372 */
378typedef struct drm_buf_entry { 373typedef struct drm_buf_entry {
379 int buf_size; /**< size */ 374 int buf_size; /**< size */
380 int buf_count; /**< number of buffers */ 375 int buf_count; /**< number of buffers */
381 drm_buf_t *buflist; /**< buffer list */ 376 drm_buf_t *buflist; /**< buffer list */
382 int seg_count; 377 int seg_count;
383 int page_order; 378 int page_order;
384 unsigned long *seglist; 379 unsigned long *seglist;
385 380
386 drm_freelist_t freelist; 381 drm_freelist_t freelist;
387} drm_buf_entry_t; 382} drm_buf_entry_t;
388 383
389/** File private data */ 384/** File private data */
390typedef struct drm_file { 385typedef struct drm_file {
391 int authenticated; 386 int authenticated;
392 int minor; 387 int minor;
393 pid_t pid; 388 pid_t pid;
394 uid_t uid; 389 uid_t uid;
395 drm_magic_t magic; 390 drm_magic_t magic;
396 unsigned long ioctl_count; 391 unsigned long ioctl_count;
397 struct drm_file *next; 392 struct drm_file *next;
398 struct drm_file *prev; 393 struct drm_file *prev;
399 struct drm_head *head; 394 struct drm_head *head;
400 int remove_auth_on_close; 395 int remove_auth_on_close;
401 unsigned long lock_count; 396 unsigned long lock_count;
402 void *driver_priv; 397 void *driver_priv;
403} drm_file_t; 398} drm_file_t;
404 399
405/** Wait queue */ 400/** Wait queue */
406typedef struct drm_queue { 401typedef struct drm_queue {
407 atomic_t use_count; /**< Outstanding uses (+1) */ 402 atomic_t use_count; /**< Outstanding uses (+1) */
408 atomic_t finalization; /**< Finalization in progress */ 403 atomic_t finalization; /**< Finalization in progress */
409 atomic_t block_count; /**< Count of processes waiting */ 404 atomic_t block_count; /**< Count of processes waiting */
410 atomic_t block_read; /**< Queue blocked for reads */ 405 atomic_t block_read; /**< Queue blocked for reads */
411 wait_queue_head_t read_queue; /**< Processes waiting on block_read */ 406 wait_queue_head_t read_queue; /**< Processes waiting on block_read */
412 atomic_t block_write; /**< Queue blocked for writes */ 407 atomic_t block_write; /**< Queue blocked for writes */
413 wait_queue_head_t write_queue; /**< Processes waiting on block_write */ 408 wait_queue_head_t write_queue; /**< Processes waiting on block_write */
414#if 1 409#if 1
415 atomic_t total_queued; /**< Total queued statistic */ 410 atomic_t total_queued; /**< Total queued statistic */
416 atomic_t total_flushed;/**< Total flushes statistic */ 411 atomic_t total_flushed; /**< Total flushes statistic */
417 atomic_t total_locks; /**< Total locks statistics */ 412 atomic_t total_locks; /**< Total locks statistics */
418#endif 413#endif
419 drm_ctx_flags_t flags; /**< Context preserving and 2D-only */ 414 drm_ctx_flags_t flags; /**< Context preserving and 2D-only */
420 drm_waitlist_t waitlist; /**< Pending buffers */ 415 drm_waitlist_t waitlist; /**< Pending buffers */
421 wait_queue_head_t flush_queue; /**< Processes waiting until flush */ 416 wait_queue_head_t flush_queue; /**< Processes waiting until flush */
422} drm_queue_t; 417} drm_queue_t;
423 418
@@ -425,10 +420,10 @@ typedef struct drm_queue {
425 * Lock data. 420 * Lock data.
426 */ 421 */
427typedef struct drm_lock_data { 422typedef struct drm_lock_data {
428 drm_hw_lock_t *hw_lock; /**< Hardware lock */ 423 drm_hw_lock_t *hw_lock; /**< Hardware lock */
429 struct file *filp; /**< File descr of lock holder (0=kernel) */ 424 struct file *filp; /**< File descr of lock holder (0=kernel) */
430 wait_queue_head_t lock_queue; /**< Queue of blocked processes */ 425 wait_queue_head_t lock_queue; /**< Queue of blocked processes */
431 unsigned long lock_time; /**< Time of last lock in jiffies */ 426 unsigned long lock_time; /**< Time of last lock in jiffies */
432} drm_lock_data_t; 427} drm_lock_data_t;
433 428
434/** 429/**
@@ -436,29 +431,29 @@ typedef struct drm_lock_data {
436 */ 431 */
437typedef struct drm_device_dma { 432typedef struct drm_device_dma {
438 433
439 drm_buf_entry_t bufs[DRM_MAX_ORDER+1]; /**< buffers, grouped by their size order */ 434 drm_buf_entry_t bufs[DRM_MAX_ORDER + 1]; /**< buffers, grouped by their size order */
440 int buf_count; /**< total number of buffers */ 435 int buf_count; /**< total number of buffers */
441 drm_buf_t **buflist; /**< Vector of pointers into drm_device_dma::bufs */ 436 drm_buf_t **buflist; /**< Vector of pointers into drm_device_dma::bufs */
442 int seg_count; 437 int seg_count;
443 int page_count; /**< number of pages */ 438 int page_count; /**< number of pages */
444 unsigned long *pagelist; /**< page list */ 439 unsigned long *pagelist; /**< page list */
445 unsigned long byte_count; 440 unsigned long byte_count;
446 enum { 441 enum {
447 _DRM_DMA_USE_AGP = 0x01, 442 _DRM_DMA_USE_AGP = 0x01,
448 _DRM_DMA_USE_SG = 0x02, 443 _DRM_DMA_USE_SG = 0x02,
449 _DRM_DMA_USE_FB = 0x04 444 _DRM_DMA_USE_FB = 0x04
450 } flags; 445 } flags;
451 446
452} drm_device_dma_t; 447} drm_device_dma_t;
453 448
454/** 449/**
455 * AGP memory entry. Stored as a doubly linked list. 450 * AGP memory entry. Stored as a doubly linked list.
456 */ 451 */
457typedef struct drm_agp_mem { 452typedef struct drm_agp_mem {
458 unsigned long handle; /**< handle */ 453 unsigned long handle; /**< handle */
459 DRM_AGP_MEM *memory; 454 DRM_AGP_MEM *memory;
460 unsigned long bound; /**< address */ 455 unsigned long bound; /**< address */
461 int pages; 456 int pages;
462 struct drm_agp_mem *prev; /**< previous entry */ 457 struct drm_agp_mem *prev; /**< previous entry */
463 struct drm_agp_mem *next; /**< next entry */ 458 struct drm_agp_mem *next; /**< next entry */
464} drm_agp_mem_t; 459} drm_agp_mem_t;
@@ -469,31 +464,31 @@ typedef struct drm_agp_mem {
469 * \sa drm_agp_init() and drm_device::agp. 464 * \sa drm_agp_init() and drm_device::agp.
470 */ 465 */
471typedef struct drm_agp_head { 466typedef struct drm_agp_head {
472 DRM_AGP_KERN agp_info; /**< AGP device information */ 467 DRM_AGP_KERN agp_info; /**< AGP device information */
473 drm_agp_mem_t *memory; /**< memory entries */ 468 drm_agp_mem_t *memory; /**< memory entries */
474 unsigned long mode; /**< AGP mode */ 469 unsigned long mode; /**< AGP mode */
475 struct agp_bridge_data *bridge; 470 struct agp_bridge_data *bridge;
476 int enabled; /**< whether the AGP bus as been enabled */ 471 int enabled; /**< whether the AGP bus as been enabled */
477 int acquired; /**< whether the AGP device has been acquired */ 472 int acquired; /**< whether the AGP device has been acquired */
478 unsigned long base; 473 unsigned long base;
479 int agp_mtrr; 474 int agp_mtrr;
480 int cant_use_aperture; 475 int cant_use_aperture;
481 unsigned long page_mask; 476 unsigned long page_mask;
482} drm_agp_head_t; 477} drm_agp_head_t;
483 478
484/** 479/**
485 * Scatter-gather memory. 480 * Scatter-gather memory.
486 */ 481 */
487typedef struct drm_sg_mem { 482typedef struct drm_sg_mem {
488 unsigned long handle; 483 unsigned long handle;
489 void *virtual; 484 void *virtual;
490 int pages; 485 int pages;
491 struct page **pagelist; 486 struct page **pagelist;
492 dma_addr_t *busaddr; 487 dma_addr_t *busaddr;
493} drm_sg_mem_t; 488} drm_sg_mem_t;
494 489
495typedef struct drm_sigdata { 490typedef struct drm_sigdata {
496 int context; 491 int context;
497 drm_hw_lock_t *lock; 492 drm_hw_lock_t *lock;
498} drm_sigdata_t; 493} drm_sigdata_t;
499 494
@@ -507,8 +502,8 @@ typedef struct drm_dma_handle {
507 * Mappings list 502 * Mappings list
508 */ 503 */
509typedef struct drm_map_list { 504typedef struct drm_map_list {
510 struct list_head head; /**< list head */ 505 struct list_head head; /**< list head */
511 drm_map_t *map; /**< mapping */ 506 drm_map_t *map; /**< mapping */
512 unsigned int user_token; 507 unsigned int user_token;
513} drm_map_list_t; 508} drm_map_list_t;
514 509
@@ -518,19 +513,28 @@ typedef drm_map_t drm_local_map_t;
518 * Context handle list 513 * Context handle list
519 */ 514 */
520typedef struct drm_ctx_list { 515typedef struct drm_ctx_list {
521 struct list_head head; /**< list head */ 516 struct list_head head; /**< list head */
522 drm_context_t handle; /**< context handle */ 517 drm_context_t handle; /**< context handle */
523 drm_file_t *tag; /**< associated fd private data */ 518 drm_file_t *tag; /**< associated fd private data */
524} drm_ctx_list_t; 519} drm_ctx_list_t;
525 520
526
527typedef struct drm_vbl_sig { 521typedef struct drm_vbl_sig {
528 struct list_head head; 522 struct list_head head;
529 unsigned int sequence; 523 unsigned int sequence;
530 struct siginfo info; 524 struct siginfo info;
531 struct task_struct *task; 525 struct task_struct *task;
532} drm_vbl_sig_t; 526} drm_vbl_sig_t;
533 527
528/* location of GART table */
529#define DRM_ATI_GART_MAIN 1
530#define DRM_ATI_GART_FB 2
531
532typedef struct ati_pcigart_info {
533 int gart_table_location;
534 int is_pcie;
535 unsigned long addr;
536 dma_addr_t bus_addr;
537} drm_ati_pcigart_info;
534 538
535/** 539/**
536 * DRM driver structure. This structure represent the common code for 540 * DRM driver structure. This structure represent the common code for
@@ -540,24 +544,26 @@ typedef struct drm_vbl_sig {
540struct drm_device; 544struct drm_device;
541 545
542struct drm_driver { 546struct drm_driver {
543 int (*preinit)(struct drm_device *, unsigned long flags); 547 int (*preinit) (struct drm_device *, unsigned long flags);
544 void (*prerelease)(struct drm_device *, struct file *filp); 548 void (*prerelease) (struct drm_device *, struct file * filp);
545 void (*pretakedown)(struct drm_device *); 549 void (*pretakedown) (struct drm_device *);
546 int (*postcleanup)(struct drm_device *); 550 int (*postcleanup) (struct drm_device *);
547 int (*presetup)(struct drm_device *); 551 int (*presetup) (struct drm_device *);
548 int (*postsetup)(struct drm_device *); 552 int (*postsetup) (struct drm_device *);
549 int (*dma_ioctl)( DRM_IOCTL_ARGS ); 553 int (*dma_ioctl) (DRM_IOCTL_ARGS);
550 int (*open_helper)(struct drm_device *, drm_file_t *); 554 int (*open_helper) (struct drm_device *, drm_file_t *);
551 void (*free_filp_priv)(struct drm_device *, drm_file_t *); 555 void (*free_filp_priv) (struct drm_device *, drm_file_t *);
552 void (*release)(struct drm_device *, struct file *filp); 556 void (*release) (struct drm_device *, struct file * filp);
553 void (*dma_ready)(struct drm_device *); 557 void (*dma_ready) (struct drm_device *);
554 int (*dma_quiescent)(struct drm_device *); 558 int (*dma_quiescent) (struct drm_device *);
555 int (*context_ctor)(struct drm_device *dev, int context); 559 int (*context_ctor) (struct drm_device * dev, int context);
556 int (*context_dtor)(struct drm_device *dev, int context); 560 int (*context_dtor) (struct drm_device * dev, int context);
557 int (*kernel_context_switch)(struct drm_device *dev, int old, int new); 561 int (*kernel_context_switch) (struct drm_device * dev, int old,
558 void (*kernel_context_switch_unlock)(struct drm_device *dev, drm_lock_t *lock); 562 int new);
559 int (*vblank_wait)(struct drm_device *dev, unsigned int *sequence); 563 void (*kernel_context_switch_unlock) (struct drm_device * dev,
560 564 drm_lock_t * lock);
565 int (*vblank_wait) (struct drm_device * dev, unsigned int *sequence);
566
561 /** 567 /**
562 * Called by \c drm_device_is_agp. Typically used to determine if a 568 * Called by \c drm_device_is_agp. Typically used to determine if a
563 * card is really attached to AGP or not. 569 * card is really attached to AGP or not.
@@ -572,17 +578,17 @@ struct drm_driver {
572 int (*device_is_agp) (struct drm_device * dev); 578 int (*device_is_agp) (struct drm_device * dev);
573 579
574 /* these have to be filled in */ 580 /* these have to be filled in */
575 581
576 int (*postinit)(struct drm_device *, unsigned long flags); 582 int (*postinit) (struct drm_device *, unsigned long flags);
577 irqreturn_t (*irq_handler)( DRM_IRQ_ARGS ); 583 irqreturn_t(*irq_handler) (DRM_IRQ_ARGS);
578 void (*irq_preinstall)(struct drm_device *dev); 584 void (*irq_preinstall) (struct drm_device * dev);
579 void (*irq_postinstall)(struct drm_device *dev); 585 void (*irq_postinstall) (struct drm_device * dev);
580 void (*irq_uninstall)(struct drm_device *dev); 586 void (*irq_uninstall) (struct drm_device * dev);
581 void (*reclaim_buffers)(struct drm_device *dev, struct file *filp); 587 void (*reclaim_buffers) (struct drm_device * dev, struct file * filp);
582 unsigned long (*get_map_ofs)(drm_map_t *map); 588 unsigned long (*get_map_ofs) (drm_map_t * map);
583 unsigned long (*get_reg_ofs)(struct drm_device *dev); 589 unsigned long (*get_reg_ofs) (struct drm_device * dev);
584 void (*set_version)(struct drm_device *dev, drm_set_version_t *sv); 590 void (*set_version) (struct drm_device * dev, drm_set_version_t * sv);
585 int (*version)(drm_version_t *version); 591 int (*version) (drm_version_t * version);
586 u32 driver_features; 592 u32 driver_features;
587 int dev_priv_size; 593 int dev_priv_size;
588 drm_ioctl_desc_t *ioctls; 594 drm_ioctl_desc_t *ioctls;
@@ -609,128 +615,125 @@ typedef struct drm_head {
609 * may contain multiple heads. 615 * may contain multiple heads.
610 */ 616 */
611typedef struct drm_device { 617typedef struct drm_device {
612 char *unique; /**< Unique identifier: e.g., busid */ 618 char *unique; /**< Unique identifier: e.g., busid */
613 int unique_len; /**< Length of unique field */ 619 int unique_len; /**< Length of unique field */
614 char *devname; /**< For /proc/interrupts */ 620 char *devname; /**< For /proc/interrupts */
615 int if_version; /**< Highest interface version set */ 621 int if_version; /**< Highest interface version set */
616 622
617 int blocked; /**< Blocked due to VC switch? */ 623 int blocked; /**< Blocked due to VC switch? */
618 624
619 /** \name Locks */ 625 /** \name Locks */
620 /*@{*/ 626 /*@{ */
621 spinlock_t count_lock; /**< For inuse, drm_device::open_count, drm_device::buf_use */ 627 spinlock_t count_lock; /**< For inuse, drm_device::open_count, drm_device::buf_use */
622 struct semaphore struct_sem; /**< For others */ 628 struct semaphore struct_sem; /**< For others */
623 /*@}*/ 629 /*@} */
624 630
625 /** \name Usage Counters */ 631 /** \name Usage Counters */
626 /*@{*/ 632 /*@{ */
627 int open_count; /**< Outstanding files open */ 633 int open_count; /**< Outstanding files open */
628 atomic_t ioctl_count; /**< Outstanding IOCTLs pending */ 634 atomic_t ioctl_count; /**< Outstanding IOCTLs pending */
629 atomic_t vma_count; /**< Outstanding vma areas open */ 635 atomic_t vma_count; /**< Outstanding vma areas open */
630 int buf_use; /**< Buffers in use -- cannot alloc */ 636 int buf_use; /**< Buffers in use -- cannot alloc */
631 atomic_t buf_alloc; /**< Buffer allocation in progress */ 637 atomic_t buf_alloc; /**< Buffer allocation in progress */
632 /*@}*/ 638 /*@} */
633 639
634 /** \name Performance counters */ 640 /** \name Performance counters */
635 /*@{*/ 641 /*@{ */
636 unsigned long counters; 642 unsigned long counters;
637 drm_stat_type_t types[15]; 643 drm_stat_type_t types[15];
638 atomic_t counts[15]; 644 atomic_t counts[15];
639 /*@}*/ 645 /*@} */
640 646
641 /** \name Authentication */ 647 /** \name Authentication */
642 /*@{*/ 648 /*@{ */
643 drm_file_t *file_first; /**< file list head */ 649 drm_file_t *file_first; /**< file list head */
644 drm_file_t *file_last; /**< file list tail */ 650 drm_file_t *file_last; /**< file list tail */
645 drm_magic_head_t magiclist[DRM_HASH_SIZE]; /**< magic hash table */ 651 drm_magic_head_t magiclist[DRM_HASH_SIZE]; /**< magic hash table */
646 /*@}*/ 652 /*@} */
647 653
648 /** \name Memory management */ 654 /** \name Memory management */
649 /*@{*/ 655 /*@{ */
650 drm_map_list_t *maplist; /**< Linked list of regions */ 656 drm_map_list_t *maplist; /**< Linked list of regions */
651 int map_count; /**< Number of mappable regions */ 657 int map_count; /**< Number of mappable regions */
652 658
653 /** \name Context handle management */ 659 /** \name Context handle management */
654 /*@{*/ 660 /*@{ */
655 drm_ctx_list_t *ctxlist; /**< Linked list of context handles */ 661 drm_ctx_list_t *ctxlist; /**< Linked list of context handles */
656 int ctx_count; /**< Number of context handles */ 662 int ctx_count; /**< Number of context handles */
657 struct semaphore ctxlist_sem; /**< For ctxlist */ 663 struct semaphore ctxlist_sem; /**< For ctxlist */
658 664
659 drm_map_t **context_sareas; /**< per-context SAREA's */ 665 drm_map_t **context_sareas; /**< per-context SAREA's */
660 int max_context; 666 int max_context;
661 667
662 drm_vma_entry_t *vmalist; /**< List of vmas (for debugging) */ 668 drm_vma_entry_t *vmalist; /**< List of vmas (for debugging) */
663 drm_lock_data_t lock; /**< Information on hardware lock */ 669 drm_lock_data_t lock; /**< Information on hardware lock */
664 /*@}*/ 670 /*@} */
665 671
666 /** \name DMA queues (contexts) */ 672 /** \name DMA queues (contexts) */
667 /*@{*/ 673 /*@{ */
668 int queue_count; /**< Number of active DMA queues */ 674 int queue_count; /**< Number of active DMA queues */
669 int queue_reserved; /**< Number of reserved DMA queues */ 675 int queue_reserved; /**< Number of reserved DMA queues */
670 int queue_slots; /**< Actual length of queuelist */ 676 int queue_slots; /**< Actual length of queuelist */
671 drm_queue_t **queuelist; /**< Vector of pointers to DMA queues */ 677 drm_queue_t **queuelist; /**< Vector of pointers to DMA queues */
672 drm_device_dma_t *dma; /**< Optional pointer for DMA support */ 678 drm_device_dma_t *dma; /**< Optional pointer for DMA support */
673 /*@}*/ 679 /*@} */
674 680
675 /** \name Context support */ 681 /** \name Context support */
676 /*@{*/ 682 /*@{ */
677 int irq; /**< Interrupt used by board */ 683 int irq; /**< Interrupt used by board */
678 int irq_enabled; /**< True if irq handler is enabled */ 684 int irq_enabled; /**< True if irq handler is enabled */
679 __volatile__ long context_flag; /**< Context swapping flag */ 685 __volatile__ long context_flag; /**< Context swapping flag */
680 __volatile__ long interrupt_flag; /**< Interruption handler flag */ 686 __volatile__ long interrupt_flag; /**< Interruption handler flag */
681 __volatile__ long dma_flag; /**< DMA dispatch flag */ 687 __volatile__ long dma_flag; /**< DMA dispatch flag */
682 struct timer_list timer; /**< Timer for delaying ctx switch */ 688 struct timer_list timer; /**< Timer for delaying ctx switch */
683 wait_queue_head_t context_wait; /**< Processes waiting on ctx switch */ 689 wait_queue_head_t context_wait; /**< Processes waiting on ctx switch */
684 int last_checked; /**< Last context checked for DMA */ 690 int last_checked; /**< Last context checked for DMA */
685 int last_context; /**< Last current context */ 691 int last_context; /**< Last current context */
686 unsigned long last_switch; /**< jiffies at last context switch */ 692 unsigned long last_switch; /**< jiffies at last context switch */
687 /*@}*/ 693 /*@} */
688 694
689 struct work_struct work; 695 struct work_struct work;
690 /** \name VBLANK IRQ support */ 696 /** \name VBLANK IRQ support */
691 /*@{*/ 697 /*@{ */
692 698
693 wait_queue_head_t vbl_queue; /**< VBLANK wait queue */ 699 wait_queue_head_t vbl_queue; /**< VBLANK wait queue */
694 atomic_t vbl_received; 700 atomic_t vbl_received;
695 spinlock_t vbl_lock; 701 spinlock_t vbl_lock;
696 drm_vbl_sig_t vbl_sigs; /**< signal list to send on VBLANK */ 702 drm_vbl_sig_t vbl_sigs; /**< signal list to send on VBLANK */
697 unsigned int vbl_pending; 703 unsigned int vbl_pending;
698 704
699 /*@}*/ 705 /*@} */
700 cycles_t ctx_start; 706 cycles_t ctx_start;
701 cycles_t lck_start; 707 cycles_t lck_start;
702 708
703 char buf[DRM_BSZ]; /**< Output buffer */
704 char *buf_rp; /**< Read pointer */
705 char *buf_wp; /**< Write pointer */
706 char *buf_end; /**< End pointer */
707 struct fasync_struct *buf_async;/**< Processes waiting for SIGIO */ 709 struct fasync_struct *buf_async;/**< Processes waiting for SIGIO */
708 wait_queue_head_t buf_readers; /**< Processes waiting to read */ 710 wait_queue_head_t buf_readers; /**< Processes waiting to read */
709 wait_queue_head_t buf_writers; /**< Processes waiting to ctx switch */ 711 wait_queue_head_t buf_writers; /**< Processes waiting to ctx switch */
710 712
711 drm_agp_head_t *agp; /**< AGP data */ 713 drm_agp_head_t *agp; /**< AGP data */
712 714
713 struct pci_dev *pdev; /**< PCI device structure */ 715 struct pci_dev *pdev; /**< PCI device structure */
714 int pci_domain; /**< PCI bus domain number */ 716 int pci_domain; /**< PCI bus domain number */
715 int pci_bus; /**< PCI bus number */ 717 int pci_bus; /**< PCI bus number */
716 int pci_slot; /**< PCI slot number */ 718 int pci_slot; /**< PCI slot number */
717 int pci_func; /**< PCI function number */ 719 int pci_func; /**< PCI function number */
718#ifdef __alpha__ 720#ifdef __alpha__
719 struct pci_controller *hose; 721 struct pci_controller *hose;
720#endif 722#endif
721 drm_sg_mem_t *sg; /**< Scatter gather memory */ 723 drm_sg_mem_t *sg; /**< Scatter gather memory */
722 unsigned long *ctx_bitmap; /**< context bitmap */ 724 unsigned long *ctx_bitmap; /**< context bitmap */
723 void *dev_private; /**< device private data */ 725 void *dev_private; /**< device private data */
724 drm_sigdata_t sigdata; /**< For block_all_signals */ 726 drm_sigdata_t sigdata; /**< For block_all_signals */
725 sigset_t sigmask; 727 sigset_t sigmask;
726 728
727 struct drm_driver *driver; 729 struct drm_driver *driver;
728 drm_local_map_t *agp_buffer_map; 730 drm_local_map_t *agp_buffer_map;
729 unsigned int agp_buffer_token; 731 unsigned int agp_buffer_token;
730 drm_head_t primary; /**< primary screen head */ 732 drm_head_t primary; /**< primary screen head */
731} drm_device_t; 733} drm_device_t;
732 734
733static __inline__ int drm_core_check_feature(struct drm_device *dev, int feature) 735static __inline__ int drm_core_check_feature(struct drm_device *dev,
736 int feature)
734{ 737{
735 return ((dev->driver->driver_features & feature) ? 1 : 0); 738 return ((dev->driver->driver_features & feature) ? 1 : 0);
736} 739}
@@ -738,7 +741,7 @@ static __inline__ int drm_core_check_feature(struct drm_device *dev, int feature
738#if __OS_HAS_AGP 741#if __OS_HAS_AGP
739static inline int drm_core_has_AGP(struct drm_device *dev) 742static inline int drm_core_has_AGP(struct drm_device *dev)
740{ 743{
741 return drm_core_check_feature(dev, DRIVER_USE_AGP); 744 return drm_core_check_feature(dev, DRIVER_USE_AGP);
742} 745}
743#else 746#else
744#define drm_core_has_AGP(dev) (0) 747#define drm_core_has_AGP(dev) (0)
@@ -747,7 +750,7 @@ static inline int drm_core_has_AGP(struct drm_device *dev)
747#if __OS_HAS_MTRR 750#if __OS_HAS_MTRR
748static inline int drm_core_has_MTRR(struct drm_device *dev) 751static inline int drm_core_has_MTRR(struct drm_device *dev)
749{ 752{
750 return drm_core_check_feature(dev, DRIVER_USE_MTRR); 753 return drm_core_check_feature(dev, DRIVER_USE_MTRR);
751} 754}
752#else 755#else
753#define drm_core_has_MTRR(dev) (0) 756#define drm_core_has_MTRR(dev) (0)
@@ -758,234 +761,229 @@ static inline int drm_core_has_MTRR(struct drm_device *dev)
758/*@{*/ 761/*@{*/
759 762
760 /* Misc. support (drm_init.h) */ 763 /* Misc. support (drm_init.h) */
761extern int drm_flags; 764extern int drm_flags;
762extern void drm_parse_options( char *s ); 765extern void drm_parse_options(char *s);
763extern int drm_cpu_valid( void ); 766extern int drm_cpu_valid(void);
764 767
765 /* Driver support (drm_drv.h) */ 768 /* Driver support (drm_drv.h) */
766extern int drm_init(struct drm_driver *driver); 769extern int drm_init(struct drm_driver *driver);
767extern void drm_exit(struct drm_driver *driver); 770extern void drm_exit(struct drm_driver *driver);
768extern int drm_ioctl(struct inode *inode, struct file *filp, 771extern int drm_ioctl(struct inode *inode, struct file *filp,
769 unsigned int cmd, unsigned long arg); 772 unsigned int cmd, unsigned long arg);
770extern long drm_compat_ioctl(struct file *filp, 773extern long drm_compat_ioctl(struct file *filp,
771 unsigned int cmd, unsigned long arg); 774 unsigned int cmd, unsigned long arg);
772extern int drm_takedown(drm_device_t * dev); 775extern int drm_takedown(drm_device_t * dev);
773 776
774 /* Device support (drm_fops.h) */ 777 /* Device support (drm_fops.h) */
775extern int drm_open(struct inode *inode, struct file *filp); 778extern int drm_open(struct inode *inode, struct file *filp);
776extern int drm_stub_open(struct inode *inode, struct file *filp); 779extern int drm_stub_open(struct inode *inode, struct file *filp);
777extern int drm_flush(struct file *filp); 780extern int drm_flush(struct file *filp);
778extern int drm_fasync(int fd, struct file *filp, int on); 781extern int drm_fasync(int fd, struct file *filp, int on);
779extern int drm_release(struct inode *inode, struct file *filp); 782extern int drm_release(struct inode *inode, struct file *filp);
780 783
781 /* Mapping support (drm_vm.h) */ 784 /* Mapping support (drm_vm.h) */
782extern int drm_mmap(struct file *filp, struct vm_area_struct *vma); 785extern int drm_mmap(struct file *filp, struct vm_area_struct *vma);
783extern unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait); 786extern unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait);
784 787
785 /* Memory management support (drm_memory.h) */ 788 /* Memory management support (drm_memory.h) */
786#include "drm_memory.h" 789#include "drm_memory.h"
787extern void drm_mem_init(void); 790extern void drm_mem_init(void);
788extern int drm_mem_info(char *buf, char **start, off_t offset, 791extern int drm_mem_info(char *buf, char **start, off_t offset,
789 int request, int *eof, void *data); 792 int request, int *eof, void *data);
790extern void *drm_realloc(void *oldpt, size_t oldsize, size_t size, 793extern void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area);
791 int area);
792extern unsigned long drm_alloc_pages(int order, int area); 794extern unsigned long drm_alloc_pages(int order, int area);
793extern void drm_free_pages(unsigned long address, int order, 795extern void drm_free_pages(unsigned long address, int order, int area);
794 int area); 796extern void *drm_ioremap(unsigned long offset, unsigned long size,
795extern void *drm_ioremap(unsigned long offset, unsigned long size, drm_device_t *dev); 797 drm_device_t * dev);
796extern void *drm_ioremap_nocache(unsigned long offset, unsigned long size, 798extern void *drm_ioremap_nocache(unsigned long offset, unsigned long size,
797 drm_device_t *dev); 799 drm_device_t * dev);
798extern void drm_ioremapfree(void *pt, unsigned long size, drm_device_t *dev); 800extern void drm_ioremapfree(void *pt, unsigned long size, drm_device_t * dev);
799 801
800extern DRM_AGP_MEM *drm_alloc_agp(drm_device_t *dev, int pages, u32 type); 802extern DRM_AGP_MEM *drm_alloc_agp(drm_device_t * dev, int pages, u32 type);
801extern int drm_free_agp(DRM_AGP_MEM *handle, int pages); 803extern int drm_free_agp(DRM_AGP_MEM * handle, int pages);
802extern int drm_bind_agp(DRM_AGP_MEM *handle, unsigned int start); 804extern int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start);
803extern int drm_unbind_agp(DRM_AGP_MEM *handle); 805extern int drm_unbind_agp(DRM_AGP_MEM * handle);
804 806
805 /* Misc. IOCTL support (drm_ioctl.h) */ 807 /* Misc. IOCTL support (drm_ioctl.h) */
806extern int drm_irq_by_busid(struct inode *inode, struct file *filp, 808extern int drm_irq_by_busid(struct inode *inode, struct file *filp,
807 unsigned int cmd, unsigned long arg); 809 unsigned int cmd, unsigned long arg);
808extern int drm_getunique(struct inode *inode, struct file *filp, 810extern int drm_getunique(struct inode *inode, struct file *filp,
809 unsigned int cmd, unsigned long arg); 811 unsigned int cmd, unsigned long arg);
810extern int drm_setunique(struct inode *inode, struct file *filp, 812extern int drm_setunique(struct inode *inode, struct file *filp,
811 unsigned int cmd, unsigned long arg); 813 unsigned int cmd, unsigned long arg);
812extern int drm_getmap(struct inode *inode, struct file *filp, 814extern int drm_getmap(struct inode *inode, struct file *filp,
813 unsigned int cmd, unsigned long arg); 815 unsigned int cmd, unsigned long arg);
814extern int drm_getclient(struct inode *inode, struct file *filp, 816extern int drm_getclient(struct inode *inode, struct file *filp,
815 unsigned int cmd, unsigned long arg); 817 unsigned int cmd, unsigned long arg);
816extern int drm_getstats(struct inode *inode, struct file *filp, 818extern int drm_getstats(struct inode *inode, struct file *filp,
817 unsigned int cmd, unsigned long arg); 819 unsigned int cmd, unsigned long arg);
818extern int drm_setversion(struct inode *inode, struct file *filp, 820extern int drm_setversion(struct inode *inode, struct file *filp,
819 unsigned int cmd, unsigned long arg); 821 unsigned int cmd, unsigned long arg);
820 822
821 /* Context IOCTL support (drm_context.h) */ 823 /* Context IOCTL support (drm_context.h) */
822extern int drm_resctx( struct inode *inode, struct file *filp, 824extern int drm_resctx(struct inode *inode, struct file *filp,
823 unsigned int cmd, unsigned long arg ); 825 unsigned int cmd, unsigned long arg);
824extern int drm_addctx( struct inode *inode, struct file *filp, 826extern int drm_addctx(struct inode *inode, struct file *filp,
825 unsigned int cmd, unsigned long arg ); 827 unsigned int cmd, unsigned long arg);
826extern int drm_modctx( struct inode *inode, struct file *filp, 828extern int drm_modctx(struct inode *inode, struct file *filp,
827 unsigned int cmd, unsigned long arg ); 829 unsigned int cmd, unsigned long arg);
828extern int drm_getctx( struct inode *inode, struct file *filp, 830extern int drm_getctx(struct inode *inode, struct file *filp,
829 unsigned int cmd, unsigned long arg ); 831 unsigned int cmd, unsigned long arg);
830extern int drm_switchctx( struct inode *inode, struct file *filp, 832extern int drm_switchctx(struct inode *inode, struct file *filp,
831 unsigned int cmd, unsigned long arg ); 833 unsigned int cmd, unsigned long arg);
832extern int drm_newctx( struct inode *inode, struct file *filp, 834extern int drm_newctx(struct inode *inode, struct file *filp,
833 unsigned int cmd, unsigned long arg ); 835 unsigned int cmd, unsigned long arg);
834extern int drm_rmctx( struct inode *inode, struct file *filp, 836extern int drm_rmctx(struct inode *inode, struct file *filp,
835 unsigned int cmd, unsigned long arg ); 837 unsigned int cmd, unsigned long arg);
836 838
837extern int drm_ctxbitmap_init( drm_device_t *dev ); 839extern int drm_ctxbitmap_init(drm_device_t * dev);
838extern void drm_ctxbitmap_cleanup( drm_device_t *dev ); 840extern void drm_ctxbitmap_cleanup(drm_device_t * dev);
839extern void drm_ctxbitmap_free( drm_device_t *dev, int ctx_handle ); 841extern void drm_ctxbitmap_free(drm_device_t * dev, int ctx_handle);
840 842
841extern int drm_setsareactx( struct inode *inode, struct file *filp, 843extern int drm_setsareactx(struct inode *inode, struct file *filp,
842 unsigned int cmd, unsigned long arg ); 844 unsigned int cmd, unsigned long arg);
843extern int drm_getsareactx( struct inode *inode, struct file *filp, 845extern int drm_getsareactx(struct inode *inode, struct file *filp,
844 unsigned int cmd, unsigned long arg ); 846 unsigned int cmd, unsigned long arg);
845 847
846 /* Drawable IOCTL support (drm_drawable.h) */ 848 /* Drawable IOCTL support (drm_drawable.h) */
847extern int drm_adddraw(struct inode *inode, struct file *filp, 849extern int drm_adddraw(struct inode *inode, struct file *filp,
848 unsigned int cmd, unsigned long arg); 850 unsigned int cmd, unsigned long arg);
849extern int drm_rmdraw(struct inode *inode, struct file *filp, 851extern int drm_rmdraw(struct inode *inode, struct file *filp,
850 unsigned int cmd, unsigned long arg); 852 unsigned int cmd, unsigned long arg);
851
852 853
853 /* Authentication IOCTL support (drm_auth.h) */ 854 /* Authentication IOCTL support (drm_auth.h) */
854extern int drm_getmagic(struct inode *inode, struct file *filp, 855extern int drm_getmagic(struct inode *inode, struct file *filp,
855 unsigned int cmd, unsigned long arg); 856 unsigned int cmd, unsigned long arg);
856extern int drm_authmagic(struct inode *inode, struct file *filp, 857extern int drm_authmagic(struct inode *inode, struct file *filp,
857 unsigned int cmd, unsigned long arg); 858 unsigned int cmd, unsigned long arg);
858 859
859 /* Placeholder for ioctls past */ 860 /* Placeholder for ioctls past */
860extern int drm_noop(struct inode *inode, struct file *filp, 861extern int drm_noop(struct inode *inode, struct file *filp,
861 unsigned int cmd, unsigned long arg); 862 unsigned int cmd, unsigned long arg);
862 863
863 /* Locking IOCTL support (drm_lock.h) */ 864 /* Locking IOCTL support (drm_lock.h) */
864extern int drm_lock(struct inode *inode, struct file *filp, 865extern int drm_lock(struct inode *inode, struct file *filp,
865 unsigned int cmd, unsigned long arg); 866 unsigned int cmd, unsigned long arg);
866extern int drm_unlock(struct inode *inode, struct file *filp, 867extern int drm_unlock(struct inode *inode, struct file *filp,
867 unsigned int cmd, unsigned long arg); 868 unsigned int cmd, unsigned long arg);
868extern int drm_lock_take(__volatile__ unsigned int *lock, 869extern int drm_lock_take(__volatile__ unsigned int *lock, unsigned int context);
869 unsigned int context); 870extern int drm_lock_free(drm_device_t * dev,
870extern int drm_lock_free(drm_device_t *dev, 871 __volatile__ unsigned int *lock, unsigned int context);
871 __volatile__ unsigned int *lock,
872 unsigned int context);
873 872
874 /* Buffer management support (drm_bufs.h) */ 873 /* Buffer management support (drm_bufs.h) */
875extern int drm_addbufs_agp(drm_device_t *dev, drm_buf_desc_t *request); 874extern int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * request);
876extern int drm_addbufs_pci(drm_device_t *dev, drm_buf_desc_t *request); 875extern int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request);
877extern int drm_addmap(drm_device_t *dev, unsigned int offset, 876extern int drm_addmap(drm_device_t * dev, unsigned int offset,
878 unsigned int size, drm_map_type_t type, 877 unsigned int size, drm_map_type_t type,
879 drm_map_flags_t flags, drm_local_map_t **map_ptr); 878 drm_map_flags_t flags, drm_local_map_t ** map_ptr);
880extern int drm_addmap_ioctl(struct inode *inode, struct file *filp, 879extern int drm_addmap_ioctl(struct inode *inode, struct file *filp,
881 unsigned int cmd, unsigned long arg); 880 unsigned int cmd, unsigned long arg);
882extern int drm_rmmap(drm_device_t *dev, drm_local_map_t *map); 881extern int drm_rmmap(drm_device_t * dev, drm_local_map_t * map);
883extern int drm_rmmap_locked(drm_device_t *dev, drm_local_map_t *map); 882extern int drm_rmmap_locked(drm_device_t * dev, drm_local_map_t * map);
884extern int drm_rmmap_ioctl(struct inode *inode, struct file *filp, 883extern int drm_rmmap_ioctl(struct inode *inode, struct file *filp,
885 unsigned int cmd, unsigned long arg); 884 unsigned int cmd, unsigned long arg);
886 885
887extern int drm_order( unsigned long size ); 886extern int drm_order(unsigned long size);
888extern int drm_addbufs( struct inode *inode, struct file *filp, 887extern int drm_addbufs(struct inode *inode, struct file *filp,
889 unsigned int cmd, unsigned long arg ); 888 unsigned int cmd, unsigned long arg);
890extern int drm_infobufs( struct inode *inode, struct file *filp, 889extern int drm_infobufs(struct inode *inode, struct file *filp,
891 unsigned int cmd, unsigned long arg ); 890 unsigned int cmd, unsigned long arg);
892extern int drm_markbufs( struct inode *inode, struct file *filp, 891extern int drm_markbufs(struct inode *inode, struct file *filp,
893 unsigned int cmd, unsigned long arg ); 892 unsigned int cmd, unsigned long arg);
894extern int drm_freebufs( struct inode *inode, struct file *filp, 893extern int drm_freebufs(struct inode *inode, struct file *filp,
895 unsigned int cmd, unsigned long arg ); 894 unsigned int cmd, unsigned long arg);
896extern int drm_mapbufs( struct inode *inode, struct file *filp, 895extern int drm_mapbufs(struct inode *inode, struct file *filp,
897 unsigned int cmd, unsigned long arg ); 896 unsigned int cmd, unsigned long arg);
898extern unsigned long drm_get_resource_start(drm_device_t *dev, 897extern unsigned long drm_get_resource_start(drm_device_t * dev,
899 unsigned int resource); 898 unsigned int resource);
900extern unsigned long drm_get_resource_len(drm_device_t *dev, 899extern unsigned long drm_get_resource_len(drm_device_t * dev,
901 unsigned int resource); 900 unsigned int resource);
902 901
903 /* DMA support (drm_dma.h) */ 902 /* DMA support (drm_dma.h) */
904extern int drm_dma_setup(drm_device_t *dev); 903extern int drm_dma_setup(drm_device_t * dev);
905extern void drm_dma_takedown(drm_device_t *dev); 904extern void drm_dma_takedown(drm_device_t * dev);
906extern void drm_free_buffer(drm_device_t *dev, drm_buf_t *buf); 905extern void drm_free_buffer(drm_device_t * dev, drm_buf_t * buf);
907extern void drm_core_reclaim_buffers(drm_device_t *dev, struct file *filp); 906extern void drm_core_reclaim_buffers(drm_device_t * dev, struct file *filp);
908 907
909 /* IRQ support (drm_irq.h) */ 908 /* IRQ support (drm_irq.h) */
910extern int drm_control( struct inode *inode, struct file *filp, 909extern int drm_control(struct inode *inode, struct file *filp,
911 unsigned int cmd, unsigned long arg ); 910 unsigned int cmd, unsigned long arg);
912extern int drm_irq_uninstall( drm_device_t *dev ); 911extern int drm_irq_uninstall(drm_device_t * dev);
913extern irqreturn_t drm_irq_handler( DRM_IRQ_ARGS ); 912extern irqreturn_t drm_irq_handler(DRM_IRQ_ARGS);
914extern void drm_driver_irq_preinstall( drm_device_t *dev ); 913extern void drm_driver_irq_preinstall(drm_device_t * dev);
915extern void drm_driver_irq_postinstall( drm_device_t *dev ); 914extern void drm_driver_irq_postinstall(drm_device_t * dev);
916extern void drm_driver_irq_uninstall( drm_device_t *dev ); 915extern void drm_driver_irq_uninstall(drm_device_t * dev);
917 916
918extern int drm_wait_vblank(struct inode *inode, struct file *filp, 917extern int drm_wait_vblank(struct inode *inode, struct file *filp,
919 unsigned int cmd, unsigned long arg); 918 unsigned int cmd, unsigned long arg);
920extern int drm_vblank_wait(drm_device_t *dev, unsigned int *vbl_seq); 919extern int drm_vblank_wait(drm_device_t * dev, unsigned int *vbl_seq);
921extern void drm_vbl_send_signals( drm_device_t *dev ); 920extern void drm_vbl_send_signals(drm_device_t * dev);
922 921
923 /* AGP/GART support (drm_agpsupport.h) */ 922 /* AGP/GART support (drm_agpsupport.h) */
924extern drm_agp_head_t *drm_agp_init(drm_device_t *dev); 923extern drm_agp_head_t *drm_agp_init(drm_device_t * dev);
925extern int drm_agp_acquire(drm_device_t * dev); 924extern int drm_agp_acquire(drm_device_t * dev);
926extern int drm_agp_acquire_ioctl(struct inode *inode, struct file *filp, 925extern int drm_agp_acquire_ioctl(struct inode *inode, struct file *filp,
927 unsigned int cmd, unsigned long arg); 926 unsigned int cmd, unsigned long arg);
928extern int drm_agp_release(drm_device_t *dev); 927extern int drm_agp_release(drm_device_t * dev);
929extern int drm_agp_release_ioctl(struct inode *inode, struct file *filp, 928extern int drm_agp_release_ioctl(struct inode *inode, struct file *filp,
930 unsigned int cmd, unsigned long arg); 929 unsigned int cmd, unsigned long arg);
931extern int drm_agp_enable(drm_device_t *dev, drm_agp_mode_t mode); 930extern int drm_agp_enable(drm_device_t * dev, drm_agp_mode_t mode);
932extern int drm_agp_enable_ioctl(struct inode *inode, struct file *filp, 931extern int drm_agp_enable_ioctl(struct inode *inode, struct file *filp,
933 unsigned int cmd, unsigned long arg); 932 unsigned int cmd, unsigned long arg);
934extern int drm_agp_info(drm_device_t * dev, drm_agp_info_t *info); 933extern int drm_agp_info(drm_device_t * dev, drm_agp_info_t * info);
935extern int drm_agp_info_ioctl(struct inode *inode, struct file *filp, 934extern int drm_agp_info_ioctl(struct inode *inode, struct file *filp,
935 unsigned int cmd, unsigned long arg);
936extern int drm_agp_alloc(struct inode *inode, struct file *filp,
937 unsigned int cmd, unsigned long arg);
938extern int drm_agp_free(struct inode *inode, struct file *filp,
939 unsigned int cmd, unsigned long arg);
940extern int drm_agp_unbind(struct inode *inode, struct file *filp,
941 unsigned int cmd, unsigned long arg);
942extern int drm_agp_bind(struct inode *inode, struct file *filp,
936 unsigned int cmd, unsigned long arg); 943 unsigned int cmd, unsigned long arg);
937extern int drm_agp_alloc(struct inode *inode, struct file *filp, 944extern DRM_AGP_MEM *drm_agp_allocate_memory(struct agp_bridge_data *bridge,
938 unsigned int cmd, unsigned long arg); 945 size_t pages, u32 type);
939extern int drm_agp_free(struct inode *inode, struct file *filp, 946extern int drm_agp_free_memory(DRM_AGP_MEM * handle);
940 unsigned int cmd, unsigned long arg); 947extern int drm_agp_bind_memory(DRM_AGP_MEM * handle, off_t start);
941extern int drm_agp_unbind(struct inode *inode, struct file *filp, 948extern int drm_agp_unbind_memory(DRM_AGP_MEM * handle);
942 unsigned int cmd, unsigned long arg);
943extern int drm_agp_bind(struct inode *inode, struct file *filp,
944 unsigned int cmd, unsigned long arg);
945extern DRM_AGP_MEM *drm_agp_allocate_memory(struct agp_bridge_data *bridge, size_t pages, u32 type);
946extern int drm_agp_free_memory(DRM_AGP_MEM *handle);
947extern int drm_agp_bind_memory(DRM_AGP_MEM *handle, off_t start);
948extern int drm_agp_unbind_memory(DRM_AGP_MEM *handle);
949 949
950 /* Stub support (drm_stub.h) */ 950 /* Stub support (drm_stub.h) */
951extern int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent, 951extern int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent,
952 struct drm_driver *driver); 952 struct drm_driver *driver);
953extern int drm_put_dev(drm_device_t * dev); 953extern int drm_put_dev(drm_device_t * dev);
954extern int drm_put_head(drm_head_t * head); 954extern int drm_put_head(drm_head_t * head);
955extern unsigned int drm_debug; 955extern unsigned int drm_debug;
956extern unsigned int drm_cards_limit; 956extern unsigned int drm_cards_limit;
957extern drm_head_t **drm_heads; 957extern drm_head_t **drm_heads;
958extern struct drm_sysfs_class *drm_class; 958extern struct drm_sysfs_class *drm_class;
959extern struct proc_dir_entry *drm_proc_root; 959extern struct proc_dir_entry *drm_proc_root;
960 960
961 /* Proc support (drm_proc.h) */ 961 /* Proc support (drm_proc.h) */
962extern int drm_proc_init(drm_device_t *dev, 962extern int drm_proc_init(drm_device_t * dev,
963 int minor, 963 int minor,
964 struct proc_dir_entry *root, 964 struct proc_dir_entry *root,
965 struct proc_dir_entry **dev_root); 965 struct proc_dir_entry **dev_root);
966extern int drm_proc_cleanup(int minor, 966extern int drm_proc_cleanup(int minor,
967 struct proc_dir_entry *root, 967 struct proc_dir_entry *root,
968 struct proc_dir_entry *dev_root); 968 struct proc_dir_entry *dev_root);
969 969
970 /* Scatter Gather Support (drm_scatter.h) */ 970 /* Scatter Gather Support (drm_scatter.h) */
971extern void drm_sg_cleanup(drm_sg_mem_t *entry); 971extern void drm_sg_cleanup(drm_sg_mem_t * entry);
972extern int drm_sg_alloc(struct inode *inode, struct file *filp, 972extern int drm_sg_alloc(struct inode *inode, struct file *filp,
973 unsigned int cmd, unsigned long arg); 973 unsigned int cmd, unsigned long arg);
974extern int drm_sg_free(struct inode *inode, struct file *filp, 974extern int drm_sg_free(struct inode *inode, struct file *filp,
975 unsigned int cmd, unsigned long arg); 975 unsigned int cmd, unsigned long arg);
976 976
977 /* ATI PCIGART support (ati_pcigart.h) */ 977 /* ATI PCIGART support (ati_pcigart.h) */
978extern int drm_ati_pcigart_init(drm_device_t *dev, 978extern int drm_ati_pcigart_init(drm_device_t * dev,
979 unsigned long *addr, 979 drm_ati_pcigart_info * gart_info);
980 dma_addr_t *bus_addr); 980extern int drm_ati_pcigart_cleanup(drm_device_t * dev,
981extern int drm_ati_pcigart_cleanup(drm_device_t *dev, 981 drm_ati_pcigart_info * gart_info);
982 unsigned long addr, 982
983 dma_addr_t bus_addr); 983extern drm_dma_handle_t *drm_pci_alloc(drm_device_t * dev, size_t size,
984
985extern drm_dma_handle_t *drm_pci_alloc(drm_device_t *dev, size_t size,
986 size_t align, dma_addr_t maxaddr); 984 size_t align, dma_addr_t maxaddr);
987extern void __drm_pci_free(drm_device_t *dev, drm_dma_handle_t *dmah); 985extern void __drm_pci_free(drm_device_t * dev, drm_dma_handle_t * dmah);
988extern void drm_pci_free(drm_device_t *dev, drm_dma_handle_t *dmah); 986extern void drm_pci_free(drm_device_t * dev, drm_dma_handle_t * dmah);
989 987
990 /* sysfs support (drm_sysfs.c) */ 988 /* sysfs support (drm_sysfs.c) */
991struct drm_sysfs_class; 989struct drm_sysfs_class;
@@ -998,38 +996,41 @@ extern struct class_device *drm_sysfs_device_add(struct drm_sysfs_class *cs,
998 const char *fmt, ...); 996 const char *fmt, ...);
999extern void drm_sysfs_device_remove(dev_t dev); 997extern void drm_sysfs_device_remove(dev_t dev);
1000 998
1001
1002/* Inline replacements for DRM_IOREMAP macros */ 999/* Inline replacements for DRM_IOREMAP macros */
1003static __inline__ void drm_core_ioremap(struct drm_map *map, struct drm_device *dev) 1000static __inline__ void drm_core_ioremap(struct drm_map *map,
1001 struct drm_device *dev)
1004{ 1002{
1005 map->handle = drm_ioremap( map->offset, map->size, dev ); 1003 map->handle = drm_ioremap(map->offset, map->size, dev);
1006} 1004}
1007 1005
1008static __inline__ void drm_core_ioremap_nocache(struct drm_map *map, struct drm_device *dev) 1006static __inline__ void drm_core_ioremap_nocache(struct drm_map *map,
1007 struct drm_device *dev)
1009{ 1008{
1010 map->handle = drm_ioremap_nocache(map->offset, map->size, dev); 1009 map->handle = drm_ioremap_nocache(map->offset, map->size, dev);
1011} 1010}
1012 1011
1013static __inline__ void drm_core_ioremapfree(struct drm_map *map, struct drm_device *dev) 1012static __inline__ void drm_core_ioremapfree(struct drm_map *map,
1013 struct drm_device *dev)
1014{ 1014{
1015 if ( map->handle && map->size ) 1015 if (map->handle && map->size)
1016 drm_ioremapfree( map->handle, map->size, dev ); 1016 drm_ioremapfree(map->handle, map->size, dev);
1017} 1017}
1018 1018
1019static __inline__ struct drm_map *drm_core_findmap(struct drm_device *dev, unsigned int token) 1019static __inline__ struct drm_map *drm_core_findmap(struct drm_device *dev,
1020 unsigned int token)
1020{ 1021{
1021 drm_map_list_t *_entry; 1022 drm_map_list_t *_entry;
1022 list_for_each_entry(_entry, &dev->maplist->head, head) 1023 list_for_each_entry(_entry, &dev->maplist->head, head)
1023 if (_entry->user_token == token) 1024 if (_entry->user_token == token)
1024 return _entry->map; 1025 return _entry->map;
1025 return NULL; 1026 return NULL;
1026} 1027}
1027 1028
1028static __inline__ int drm_device_is_agp(drm_device_t *dev) 1029static __inline__ int drm_device_is_agp(drm_device_t * dev)
1029{ 1030{
1030 if ( dev->driver->device_is_agp != NULL ) { 1031 if (dev->driver->device_is_agp != NULL) {
1031 int err = (*dev->driver->device_is_agp)( dev ); 1032 int err = (*dev->driver->device_is_agp) (dev);
1032 1033
1033 if (err != 2) { 1034 if (err != 2) {
1034 return err; 1035 return err;
1035 } 1036 }
@@ -1038,6 +1039,11 @@ static __inline__ int drm_device_is_agp(drm_device_t *dev)
1038 return pci_find_capability(dev->pdev, PCI_CAP_ID_AGP); 1039 return pci_find_capability(dev->pdev, PCI_CAP_ID_AGP);
1039} 1040}
1040 1041
1042static __inline__ int drm_device_is_pcie(drm_device_t * dev)
1043{
1044 return pci_find_capability(dev->pdev, PCI_CAP_ID_EXP);
1045}
1046
1041static __inline__ void drm_core_dropmap(struct drm_map *map) 1047static __inline__ void drm_core_dropmap(struct drm_map *map)
1042{ 1048{
1043} 1049}
@@ -1068,12 +1074,12 @@ extern void *drm_calloc(size_t nmemb, size_t size, int area);
1068 1074
1069/*@}*/ 1075/*@}*/
1070 1076
1071extern unsigned long drm_core_get_map_ofs(drm_map_t *map); 1077extern unsigned long drm_core_get_map_ofs(drm_map_t * map);
1072extern unsigned long drm_core_get_reg_ofs(struct drm_device *dev); 1078extern unsigned long drm_core_get_reg_ofs(struct drm_device *dev);
1073 1079
1074#ifndef pci_pretty_name 1080#ifndef pci_pretty_name
1075#define pci_pretty_name(dev) "" 1081#define pci_pretty_name(dev) ""
1076#endif 1082#endif
1077 1083
1078#endif /* __KERNEL__ */ 1084#endif /* __KERNEL__ */
1079#endif 1085#endif
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-24 21:17:49 -0500