drmP.h revision 119098
1/* drmP.h -- Private header for Direct Rendering Manager -*- linux-c -*- 2 * Created: Mon Jan 4 10:05:05 1999 by faith@precisioninsight.com 3 * 4 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. 5 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. 6 * All rights reserved. 7 * 8 * Permission is hereby granted, free of charge, to any person obtaining a 9 * copy of this software and associated documentation files (the "Software"), 10 * to deal in the Software without restriction, including without limitation 11 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 12 * and/or sell copies of the Software, and to permit persons to whom the 13 * Software is furnished to do so, subject to the following conditions: 14 * 15 * The above copyright notice and this permission notice (including the next 16 * paragraph) shall be included in all copies or substantial portions of the 17 * Software. 18 * 19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 22 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 23 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 24 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 25 * OTHER DEALINGS IN THE SOFTWARE. 26 * 27 * Authors: 28 * Rickard E. (Rik) Faith <faith@valinux.com> 29 * Gareth Hughes <gareth@valinux.com> 30 * 31 * $FreeBSD: head/sys/dev/drm/drmP.h 119098 2003-08-19 02:57:31Z anholt $ 32 */ 33 34#ifndef _DRM_P_H_ 35#define _DRM_P_H_ 36 37#if defined(_KERNEL) || defined(__KERNEL__) 38 39/* DRM template customization defaults 40 */ 41#ifndef __HAVE_AGP 42#define __HAVE_AGP 0 43#endif 44#ifndef __HAVE_MTRR 45#define __HAVE_MTRR 0 46#endif 47#ifndef __HAVE_CTX_BITMAP 48#define __HAVE_CTX_BITMAP 0 49#endif 50#ifndef __HAVE_DMA 51#define __HAVE_DMA 0 52#endif 53#ifndef __HAVE_DMA_IRQ 54#define __HAVE_DMA_IRQ 0 55#endif 56 57#define DRM_DEBUG_CODE 0 /* Include debugging code (if > 1, then 58 also include looping detection. */ 59 60typedef struct drm_device drm_device_t; 61typedef struct drm_file drm_file_t; 62 63/* There's undoubtably more of this file to go into these OS dependent ones. */ 64 65#ifdef __FreeBSD__ 66#include "dev/drm/drm_os_freebsd.h" 67#elif defined __NetBSD__ 68#include "dev/drm/drm_os_netbsd.h" 69#endif 70 71#include "dev/drm/drm.h" 72 73/* Begin the DRM... */ 74 75#define DRM_HASH_SIZE 16 /* Size of key hash table */ 76#define DRM_KERNEL_CONTEXT 0 /* Change drm_resctx if changed */ 77#define DRM_RESERVED_CONTEXTS 1 /* Change drm_resctx if changed */ 78 79#define DRM_FLAG_DEBUG 0x01 80 81#define DRM_MEM_DMA 0 82#define DRM_MEM_SAREA 1 83#define DRM_MEM_DRIVER 2 84#define DRM_MEM_MAGIC 3 85#define DRM_MEM_IOCTLS 4 86#define DRM_MEM_MAPS 5 87#define DRM_MEM_BUFS 6 88#define DRM_MEM_SEGS 7 89#define DRM_MEM_PAGES 8 90#define DRM_MEM_FILES 9 91#define DRM_MEM_QUEUES 10 92#define DRM_MEM_CMDS 11 93#define DRM_MEM_MAPPINGS 12 94#define DRM_MEM_BUFLISTS 13 95#define DRM_MEM_AGPLISTS 14 96#define DRM_MEM_TOTALAGP 15 97#define DRM_MEM_BOUNDAGP 16 98#define DRM_MEM_CTXBITMAP 17 99#define DRM_MEM_STUB 18 100#define DRM_MEM_SGLISTS 19 101 102#define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) 103 104 /* Mapping helper macros */ 105#define DRM_IOREMAP(map, dev) \ 106 (map)->handle = DRM(ioremap)( dev, map ) 107 108#define DRM_IOREMAP_NOCACHE(map, dev) \ 109 (map)->handle = DRM(ioremap_nocache)( dev, map ) 110 111#define DRM_IOREMAPFREE(map, dev) \ 112 do { \ 113 if ( (map)->handle && (map)->size ) \ 114 DRM(ioremapfree)( map ); \ 115 } while (0) 116 117 /* Internal types and structures */ 118#define DRM_ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) 119#define DRM_MIN(a,b) ((a)<(b)?(a):(b)) 120#define DRM_MAX(a,b) ((a)>(b)?(a):(b)) 121 122#define DRM_LEFTCOUNT(x) (((x)->rp + (x)->count - (x)->wp) % ((x)->count + 1)) 123#define DRM_BUFCOUNT(x) ((x)->count - DRM_LEFTCOUNT(x)) 124#define DRM_WAITCOUNT(dev,idx) DRM_BUFCOUNT(&dev->queuelist[idx]->waitlist) 125 126#define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \ 127 (_map) = (_dev)->context_sareas[_ctx]; \ 128} while(0) 129 130 131typedef struct drm_ioctl_desc { 132 int (*func)(DRM_IOCTL_ARGS); 133 int auth_needed; 134 int root_only; 135} drm_ioctl_desc_t; 136 137typedef struct drm_magic_entry { 138 drm_magic_t magic; 139 struct drm_file *priv; 140 struct drm_magic_entry *next; 141} drm_magic_entry_t; 142 143typedef struct drm_magic_head { 144 struct drm_magic_entry *head; 145 struct drm_magic_entry *tail; 146} drm_magic_head_t; 147 148typedef struct drm_buf { 149 int idx; /* Index into master buflist */ 150 int total; /* Buffer size */ 151 int order; /* log-base-2(total) */ 152 int used; /* Amount of buffer in use (for DMA) */ 153 unsigned long offset; /* Byte offset (used internally) */ 154 void *address; /* Address of buffer */ 155 unsigned long bus_address; /* Bus address of buffer */ 156 struct drm_buf *next; /* Kernel-only: used for free list */ 157 __volatile__ int pending; /* On hardware DMA queue */ 158 DRMFILE filp; /* Unique identifier of holding process */ 159 int context; /* Kernel queue for this buffer */ 160 enum { 161 DRM_LIST_NONE = 0, 162 DRM_LIST_FREE = 1, 163 DRM_LIST_WAIT = 2, 164 DRM_LIST_PEND = 3, 165 DRM_LIST_PRIO = 4, 166 DRM_LIST_RECLAIM = 5 167 } list; /* Which list we're on */ 168 169 int dev_priv_size; /* Size of buffer private stoarge */ 170 void *dev_private; /* Per-buffer private storage */ 171} drm_buf_t; 172 173 /* bufs is one longer than it has to be */ 174typedef struct drm_waitlist { 175 int count; /* Number of possible buffers */ 176 drm_buf_t **bufs; /* List of pointers to buffers */ 177 drm_buf_t **rp; /* Read pointer */ 178 drm_buf_t **wp; /* Write pointer */ 179 drm_buf_t **end; /* End pointer */ 180 DRM_SPINTYPE read_lock; 181 DRM_SPINTYPE write_lock; 182} drm_waitlist_t; 183 184typedef struct drm_freelist { 185 int initialized; /* Freelist in use */ 186 atomic_t count; /* Number of free buffers */ 187 drm_buf_t *next; /* End pointer */ 188 189 int low_mark; /* Low water mark */ 190 int high_mark; /* High water mark */ 191 DRM_SPINTYPE lock; 192} drm_freelist_t; 193 194typedef struct drm_buf_entry { 195 int buf_size; 196 int buf_count; 197 drm_buf_t *buflist; 198 int seg_count; 199 int page_order; 200 vm_offset_t *seglist; 201 dma_addr_t *seglist_bus; 202 203 drm_freelist_t freelist; 204} drm_buf_entry_t; 205 206typedef struct drm_hw_lock { 207 __volatile__ unsigned int lock; 208 char padding[60]; /* Pad to cache line */ 209} drm_hw_lock_t; 210 211typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t; 212struct drm_file { 213 TAILQ_ENTRY(drm_file) link; 214 int authenticated; 215 int minor; 216 pid_t pid; 217 uid_t uid; 218 int refs; 219 drm_magic_t magic; 220 unsigned long ioctl_count; 221 struct drm_device *devXX; 222}; 223 224typedef struct drm_lock_data { 225 drm_hw_lock_t *hw_lock; /* Hardware lock */ 226 DRMFILE filp; /* Unique identifier of holding process (NULL is kernel)*/ 227 wait_queue_head_t lock_queue; /* Queue of blocked processes */ 228 unsigned long lock_time; /* Time of last lock in jiffies */ 229} drm_lock_data_t; 230 231typedef struct drm_device_dma { 232 drm_buf_entry_t bufs[DRM_MAX_ORDER+1]; 233 int buf_count; 234 drm_buf_t **buflist; /* Vector of pointers info bufs */ 235 int seg_count; 236 int page_count; 237 unsigned long *pagelist; 238 unsigned long byte_count; 239 enum { 240 _DRM_DMA_USE_AGP = 0x01, 241 _DRM_DMA_USE_SG = 0x02 242 } flags; 243 244 /* DMA support */ 245 drm_buf_t *this_buffer; /* Buffer being sent */ 246 drm_buf_t *next_buffer; /* Selected buffer to send */ 247} drm_device_dma_t; 248 249#if __REALLY_HAVE_AGP 250typedef struct drm_agp_mem { 251 void *handle; 252 unsigned long bound; /* address */ 253 int pages; 254 struct drm_agp_mem *prev; 255 struct drm_agp_mem *next; 256} drm_agp_mem_t; 257 258typedef struct drm_agp_head { 259 device_t agpdev; 260 struct agp_info info; 261 const char *chipset; 262 drm_agp_mem_t *memory; 263 unsigned long mode; 264 int enabled; 265 int acquired; 266 unsigned long base; 267 int agp_mtrr; 268 int cant_use_aperture; 269 unsigned long page_mask; 270} drm_agp_head_t; 271#endif 272 273typedef struct drm_sg_mem { 274 unsigned long handle; 275 void *virtual; 276 int pages; 277 dma_addr_t *busaddr; 278} drm_sg_mem_t; 279 280typedef struct drm_local_map { 281 unsigned long offset; /* Physical address (0 for SAREA)*/ 282 unsigned long size; /* Physical size (bytes) */ 283 drm_map_type_t type; /* Type of memory mapped */ 284 drm_map_flags_t flags; /* Flags */ 285 void *handle; /* User-space: "Handle" to pass to mmap */ 286 /* Kernel-space: kernel-virtual address */ 287 int mtrr; /* MTRR slot used */ 288 /* Private data */ 289 bus_space_tag_t iot; 290 bus_space_handle_t ioh; 291} drm_local_map_t; 292 293typedef TAILQ_HEAD(drm_map_list, drm_map_list_entry) drm_map_list_t; 294typedef struct drm_map_list_entry { 295 TAILQ_ENTRY(drm_map_list_entry) link; 296 drm_local_map_t *map; 297} drm_map_list_entry_t; 298 299TAILQ_HEAD(drm_vbl_sig_list, drm_vbl_sig); 300typedef struct drm_vbl_sig { 301 TAILQ_ENTRY(drm_vbl_sig) link; 302 unsigned int sequence; 303 int signo; 304 int pid; 305} drm_vbl_sig_t; 306 307struct drm_device { 308#ifdef __NetBSD__ 309 struct device device; /* NetBSD's softc is an extension of struct device */ 310#endif 311 const char *name; /* Simple driver name */ 312 char *unique; /* Unique identifier: e.g., busid */ 313 int unique_len; /* Length of unique field */ 314#ifdef __FreeBSD__ 315 device_t device; /* Device instance from newbus */ 316#endif 317 dev_t devnode; /* Device number for mknod */ 318 319 int flags; /* Flags to open(2) */ 320 321 /* Locks */ 322 DRM_SPINTYPE count_lock; /* For open_count, buf_use, buf_alloc */ 323 struct lock dev_lock; /* For others */ 324 /* Usage Counters */ 325 int open_count; /* Outstanding files open */ 326 int buf_use; /* Buffers in use -- cannot alloc */ 327 int buf_alloc; /* Buffer allocation in progress */ 328 329 /* Performance counters */ 330 unsigned long counters; 331 drm_stat_type_t types[15]; 332 atomic_t counts[15]; 333 334 /* Authentication */ 335 drm_file_list_t files; 336 drm_magic_head_t magiclist[DRM_HASH_SIZE]; 337 338 /* Memory management */ 339 drm_map_list_t *maplist; /* Linked list of regions */ 340 341 drm_local_map_t **context_sareas; 342 int max_context; 343 344 drm_lock_data_t lock; /* Information on hardware lock */ 345 346 /* DMA queues (contexts) */ 347 drm_device_dma_t *dma; /* Optional pointer for DMA support */ 348 349 /* Context support */ 350 int irq; /* Interrupt used by board */ 351 int irqrid; /* Interrupt used by board */ 352#ifdef __FreeBSD__ 353 struct resource *irqr; /* Resource for interrupt used by board */ 354#elif defined(__NetBSD__) 355 struct pci_attach_args pa; 356 pci_intr_handle_t ih; 357#endif 358 void *irqh; /* Handle from bus_setup_intr */ 359 atomic_t context_flag; /* Context swapping flag */ 360 struct callout timer; /* Timer for delaying ctx switch */ 361 int last_context; /* Last current context */ 362#if __FreeBSD_version >= 400005 363 struct task task; 364#endif 365#if __HAVE_VBL_IRQ 366 wait_queue_head_t vbl_queue; /* vbl wait channel */ 367 atomic_t vbl_received; 368#if 0 /* vbl signals are untested */ 369 struct drm_vbl_sig_list vbl_sig_list; 370 DRM_SPINTYPE vbl_lock; 371#endif 372#endif 373 374#ifdef __FreeBSD__ 375 struct sigio *buf_sigio; /* Processes waiting for SIGIO */ 376#elif defined(__NetBSD__) 377 pid_t buf_pgid; 378#endif 379 380 /* Sysctl support */ 381 struct drm_sysctl_info *sysctl; 382 383#if __REALLY_HAVE_AGP 384 drm_agp_head_t *agp; 385#endif 386 drm_sg_mem_t *sg; /* Scatter gather memory */ 387 atomic_t *ctx_bitmap; 388 void *dev_private; 389}; 390 391extern int DRM(flags); 392 393 /* Authentication (drm_auth.h) */ 394extern int DRM(add_magic)(drm_device_t *dev, drm_file_t *priv, 395 drm_magic_t magic); 396extern int DRM(remove_magic)(drm_device_t *dev, drm_magic_t magic); 397 398 /* Driver support (drm_drv.h) */ 399extern int DRM(version)( DRM_IOCTL_ARGS ); 400 401 /* Memory management support (drm_memory.h) */ 402extern void DRM(mem_init)(void); 403extern void DRM(mem_uninit)(void); 404extern void *DRM(alloc)(size_t size, int area); 405extern void *DRM(realloc)(void *oldpt, size_t oldsize, size_t size, 406 int area); 407extern void DRM(free)(void *pt, size_t size, int area); 408extern void *DRM(ioremap)(drm_device_t *dev, drm_local_map_t *map); 409extern void DRM(ioremapfree)(drm_local_map_t *map); 410 411#if __REALLY_HAVE_AGP 412extern agp_memory *DRM(alloc_agp)(int pages, u32 type); 413extern int DRM(free_agp)(agp_memory *handle, int pages); 414extern int DRM(bind_agp)(agp_memory *handle, unsigned int start); 415extern int DRM(unbind_agp)(agp_memory *handle); 416#endif 417 418extern int DRM(context_switch)(drm_device_t *dev, int old, int new); 419extern int DRM(context_switch_complete)(drm_device_t *dev, int new); 420 421#if __HAVE_CTX_BITMAP 422extern int DRM(ctxbitmap_init)( drm_device_t *dev ); 423extern void DRM(ctxbitmap_cleanup)( drm_device_t *dev ); 424extern void DRM(ctxbitmap_free)( drm_device_t *dev, int ctx_handle ); 425extern int DRM(ctxbitmap_next)( drm_device_t *dev ); 426#endif 427 428 /* Locking IOCTL support (drm_lock.h) */ 429extern int DRM(lock_take)(__volatile__ unsigned int *lock, 430 unsigned int context); 431extern int DRM(lock_transfer)(drm_device_t *dev, 432 __volatile__ unsigned int *lock, 433 unsigned int context); 434extern int DRM(lock_free)(drm_device_t *dev, 435 __volatile__ unsigned int *lock, 436 unsigned int context); 437 438 /* Buffer management support (drm_bufs.h) */ 439extern int DRM(order)( unsigned long size ); 440 441#if __HAVE_DMA 442 /* DMA support (drm_dma.h) */ 443extern int DRM(dma_setup)(drm_device_t *dev); 444extern void DRM(dma_takedown)(drm_device_t *dev); 445extern void DRM(free_buffer)(drm_device_t *dev, drm_buf_t *buf); 446extern void DRM(reclaim_buffers)(drm_device_t *dev, DRMFILE filp); 447#if __HAVE_DMA_IRQ 448extern int DRM(irq_install)( drm_device_t *dev, int irq ); 449extern int DRM(irq_uninstall)( drm_device_t *dev ); 450extern irqreturn_t DRM(dma_service)( DRM_IRQ_ARGS ); 451extern void DRM(driver_irq_preinstall)( drm_device_t *dev ); 452extern void DRM(driver_irq_postinstall)( drm_device_t *dev ); 453extern void DRM(driver_irq_uninstall)( drm_device_t *dev ); 454#if __HAVE_DMA_IRQ_BH 455extern void DRM(dma_immediate_bh)( DRM_TASKQUEUE_ARGS ); 456#endif 457#endif 458 459 /* Buffer list support (drm_lists.h) */ 460#if __HAVE_DMA_WAITLIST 461extern int DRM(waitlist_create)(drm_waitlist_t *bl, int count); 462extern int DRM(waitlist_destroy)(drm_waitlist_t *bl); 463extern int DRM(waitlist_put)(drm_waitlist_t *bl, drm_buf_t *buf); 464extern drm_buf_t *DRM(waitlist_get)(drm_waitlist_t *bl); 465#endif 466#endif /* __HAVE_DMA */ 467#if __HAVE_VBL_IRQ 468extern int DRM(vblank_wait)(drm_device_t *dev, unsigned int *vbl_seq); 469extern void DRM(vbl_send_signals)( drm_device_t *dev ); 470#endif 471 472#if __REALLY_HAVE_AGP 473 /* AGP/GART support (drm_agpsupport.h) */ 474extern drm_agp_head_t *DRM(agp_init)(void); 475extern void DRM(agp_uninit)(void); 476extern void DRM(agp_do_release)(void); 477extern agp_memory *DRM(agp_allocate_memory)(size_t pages, u32 type); 478extern int DRM(agp_free_memory)(agp_memory *handle); 479extern int DRM(agp_bind_memory)(agp_memory *handle, off_t start); 480extern int DRM(agp_unbind_memory)(agp_memory *handle); 481#endif 482 483#if __HAVE_SG 484 /* Scatter Gather Support (drm_scatter.h) */ 485extern void DRM(sg_cleanup)(drm_sg_mem_t *entry); 486#endif 487 488#if __REALLY_HAVE_SG 489 /* ATI PCIGART support (ati_pcigart.h) */ 490extern int DRM(ati_pcigart_init)(drm_device_t *dev, 491 unsigned long *addr, 492 dma_addr_t *bus_addr); 493extern int DRM(ati_pcigart_cleanup)(drm_device_t *dev, 494 unsigned long addr, 495 dma_addr_t bus_addr); 496#endif 497 498/* Locking IOCTL support (drm_drv.h) */ 499extern int DRM(lock)(DRM_IOCTL_ARGS); 500extern int DRM(unlock)(DRM_IOCTL_ARGS); 501 502/* Misc. IOCTL support (drm_ioctl.h) */ 503extern int DRM(irq_busid)(DRM_IOCTL_ARGS); 504extern int DRM(getunique)(DRM_IOCTL_ARGS); 505extern int DRM(setunique)(DRM_IOCTL_ARGS); 506extern int DRM(getmap)(DRM_IOCTL_ARGS); 507extern int DRM(getclient)(DRM_IOCTL_ARGS); 508extern int DRM(getstats)(DRM_IOCTL_ARGS); 509extern int DRM(noop)(DRM_IOCTL_ARGS); 510 511/* Context IOCTL support (drm_context.h) */ 512extern int DRM(resctx)(DRM_IOCTL_ARGS); 513extern int DRM(addctx)(DRM_IOCTL_ARGS); 514extern int DRM(modctx)(DRM_IOCTL_ARGS); 515extern int DRM(getctx)(DRM_IOCTL_ARGS); 516extern int DRM(switchctx)(DRM_IOCTL_ARGS); 517extern int DRM(newctx)(DRM_IOCTL_ARGS); 518extern int DRM(rmctx)(DRM_IOCTL_ARGS); 519extern int DRM(setsareactx)(DRM_IOCTL_ARGS); 520extern int DRM(getsareactx)(DRM_IOCTL_ARGS); 521 522/* Drawable IOCTL support (drm_drawable.h) */ 523extern int DRM(adddraw)(DRM_IOCTL_ARGS); 524extern int DRM(rmdraw)(DRM_IOCTL_ARGS); 525 526/* Authentication IOCTL support (drm_auth.h) */ 527extern int DRM(getmagic)(DRM_IOCTL_ARGS); 528extern int DRM(authmagic)(DRM_IOCTL_ARGS); 529 530/* Buffer management support (drm_bufs.h) */ 531extern int DRM(addmap)(DRM_IOCTL_ARGS); 532extern int DRM(rmmap)(DRM_IOCTL_ARGS); 533#if __HAVE_DMA 534extern int DRM(addbufs)(DRM_IOCTL_ARGS); 535extern int DRM(infobufs)(DRM_IOCTL_ARGS); 536extern int DRM(markbufs)(DRM_IOCTL_ARGS); 537extern int DRM(freebufs)(DRM_IOCTL_ARGS); 538extern int DRM(mapbufs)(DRM_IOCTL_ARGS); 539#endif 540 541/* DMA support (drm_dma.h) */ 542#if __HAVE_DMA 543extern int DRM(control)(DRM_IOCTL_ARGS); 544#endif 545#if __HAVE_VBL_IRQ 546extern int DRM(wait_vblank)(DRM_IOCTL_ARGS); 547#endif 548 549/* AGP/GART support (drm_agpsupport.h) */ 550#if __REALLY_HAVE_AGP 551extern int DRM(agp_acquire)(DRM_IOCTL_ARGS); 552extern int DRM(agp_release)(DRM_IOCTL_ARGS); 553extern int DRM(agp_enable)(DRM_IOCTL_ARGS); 554extern int DRM(agp_info)(DRM_IOCTL_ARGS); 555extern int DRM(agp_alloc)(DRM_IOCTL_ARGS); 556extern int DRM(agp_free)(DRM_IOCTL_ARGS); 557extern int DRM(agp_unbind)(DRM_IOCTL_ARGS); 558extern int DRM(agp_bind)(DRM_IOCTL_ARGS); 559#endif 560 561/* Scatter Gather Support (drm_scatter.h) */ 562#if __HAVE_SG 563extern int DRM(sg_alloc)(DRM_IOCTL_ARGS); 564extern int DRM(sg_free)(DRM_IOCTL_ARGS); 565#endif 566 567/* consistent PCI memory functions (drm_pci.h) */ 568extern void *DRM(pci_alloc)(drm_device_t *dev, size_t size, 569 size_t align, dma_addr_t maxaddr, 570 dma_addr_t *busaddr); 571extern void DRM(pci_free)(drm_device_t *dev, size_t size, 572 void *vaddr, dma_addr_t busaddr); 573 574#endif /* __KERNEL__ */ 575#endif /* _DRM_P_H_ */ 576