1 /** 2 * \file drm.h 3 * Header for the Direct Rendering Manager 4 * 5 * \author Rickard E. (Rik) Faith <faith (at) valinux.com> 6 * 7 * \par Acknowledgments: 8 * Dec 1999, Richard Henderson <rth (at) twiddle.net>, move to generic \c cmpxchg. 9 */ 10 11 /* 12 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. 13 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. 14 * All rights reserved. 15 * 16 * Permission is hereby granted, free of charge, to any person obtaining a 17 * copy of this software and associated documentation files (the "Software"), 18 * to deal in the Software without restriction, including without limitation 19 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 20 * and/or sell copies of the Software, and to permit persons to whom the 21 * Software is furnished to do so, subject to the following conditions: 22 * 23 * The above copyright notice and this permission notice (including the next 24 * paragraph) shall be included in all copies or substantial portions of the 25 * Software. 26 * 27 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 28 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 29 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 30 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 31 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 32 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 33 * OTHER DEALINGS IN THE SOFTWARE. 34 */ 35 36 #ifndef _DRM_H_ 37 #define _DRM_H_ 38 39 #if defined(__KERNEL__) || defined(__linux__) 40 41 #include <linux/types.h> 42 #include <asm/ioctl.h> 43 typedef unsigned int drm_handle_t; 44 45 #else /* One of the BSDs */ 46 47 #include <sys/ioccom.h> 48 #include <sys/types.h> 49 typedef int8_t __s8; 50 typedef uint8_t __u8; 51 typedef int16_t __s16; 52 typedef uint16_t __u16; 53 typedef int32_t __s32; 54 typedef uint32_t __u32; 55 typedef int64_t __s64; 56 typedef uint64_t __u64; 57 typedef unsigned long drm_handle_t; 58 59 #endif 60 61 #define DRM_NAME "drm" /**< Name in kernel, /dev, and /proc */ 62 #define DRM_MIN_ORDER 5 /**< At least 2^5 bytes = 32 bytes */ 63 #define DRM_MAX_ORDER 22 /**< Up to 2^22 bytes = 4MB */ 64 #define DRM_RAM_PERCENT 10 /**< How much system ram can we lock? */ 65 66 #define _DRM_LOCK_HELD 0x80000000U /**< Hardware lock is held */ 67 #define _DRM_LOCK_CONT 0x40000000U /**< Hardware lock is contended */ 68 #define _DRM_LOCK_IS_HELD(lock) ((lock) & _DRM_LOCK_HELD) 69 #define _DRM_LOCK_IS_CONT(lock) ((lock) & _DRM_LOCK_CONT) 70 #define _DRM_LOCKING_CONTEXT(lock) ((lock) & ~(_DRM_LOCK_HELD|_DRM_LOCK_CONT)) 71 72 typedef unsigned int drm_context_t; 73 typedef unsigned int drm_drawable_t; 74 typedef unsigned int drm_magic_t; 75 76 /** 77 * Cliprect. 78 * 79 * \warning: If you change this structure, make sure you change 80 * XF86DRIClipRectRec in the server as well 81 * 82 * \note KW: Actually it's illegal to change either for 83 * backwards-compatibility reasons. 84 */ 85 struct drm_clip_rect { 86 unsigned short x1; 87 unsigned short y1; 88 unsigned short x2; 89 unsigned short y2; 90 }; 91 92 /** 93 * Drawable information. 94 */ 95 struct drm_drawable_info { 96 unsigned int num_rects; 97 struct drm_clip_rect *rects; 98 }; 99 100 /** 101 * Texture region, 102 */ 103 struct drm_tex_region { 104 unsigned char next; 105 unsigned char prev; 106 unsigned char in_use; 107 unsigned char padding; 108 unsigned int age; 109 }; 110 111 /** 112 * Hardware lock. 113 * 114 * The lock structure is a simple cache-line aligned integer. To avoid 115 * processor bus contention on a multiprocessor system, there should not be any 116 * other data stored in the same cache line. 117 */ 118 struct drm_hw_lock { 119 __volatile__ unsigned int lock; /**< lock variable */ 120 char padding[60]; /**< Pad to cache line */ 121 }; 122 123 /** 124 * DRM_IOCTL_VERSION ioctl argument type. 125 * 126 * \sa drmGetVersion(). 127 */ 128 struct drm_version { 129 int version_major; /**< Major version */ 130 int version_minor; /**< Minor version */ 131 int version_patchlevel; /**< Patch level */ 132 size_t name_len; /**< Length of name buffer */ 133 char __user *name; /**< Name of driver */ 134 size_t date_len; /**< Length of date buffer */ 135 char __user *date; /**< User-space buffer to hold date */ 136 size_t desc_len; /**< Length of desc buffer */ 137 char __user *desc; /**< User-space buffer to hold desc */ 138 }; 139 140 /** 141 * DRM_IOCTL_GET_UNIQUE ioctl argument type. 142 * 143 * \sa drmGetBusid() and drmSetBusId(). 144 */ 145 struct drm_unique { 146 size_t unique_len; /**< Length of unique */ 147 char __user *unique; /**< Unique name for driver instantiation */ 148 }; 149 150 struct drm_list { 151 int count; /**< Length of user-space structures */ 152 struct drm_version __user *version; 153 }; 154 155 struct drm_block { 156 int unused; 157 }; 158 159 /** 160 * DRM_IOCTL_CONTROL ioctl argument type. 161 * 162 * \sa drmCtlInstHandler() and drmCtlUninstHandler(). 163 */ 164 struct drm_control { 165 enum { 166 DRM_ADD_COMMAND, 167 DRM_RM_COMMAND, 168 DRM_INST_HANDLER, 169 DRM_UNINST_HANDLER 170 } func; 171 int irq; 172 }; 173 174 /** 175 * Type of memory to map. 176 */ 177 enum drm_map_type { 178 _DRM_FRAME_BUFFER = 0, /**< WC (no caching), no core dump */ 179 _DRM_REGISTERS = 1, /**< no caching, no core dump */ 180 _DRM_SHM = 2, /**< shared, cached */ 181 _DRM_AGP = 3, /**< AGP/GART */ 182 _DRM_SCATTER_GATHER = 4, /**< Scatter/gather memory for PCI DMA */ 183 _DRM_CONSISTENT = 5, /**< Consistent memory for PCI DMA */ 184 }; 185 186 /** 187 * Memory mapping flags. 188 */ 189 enum drm_map_flags { 190 _DRM_RESTRICTED = 0x01, /**< Cannot be mapped to user-virtual */ 191 _DRM_READ_ONLY = 0x02, 192 _DRM_LOCKED = 0x04, /**< shared, cached, locked */ 193 _DRM_KERNEL = 0x08, /**< kernel requires access */ 194 _DRM_WRITE_COMBINING = 0x10, /**< use write-combining if available */ 195 _DRM_CONTAINS_LOCK = 0x20, /**< SHM page that contains lock */ 196 _DRM_REMOVABLE = 0x40, /**< Removable mapping */ 197 _DRM_DRIVER = 0x80 /**< Managed by driver */ 198 }; 199 200 struct drm_ctx_priv_map { 201 unsigned int ctx_id; /**< Context requesting private mapping */ 202 void *handle; /**< Handle of map */ 203 }; 204 205 /** 206 * DRM_IOCTL_GET_MAP, DRM_IOCTL_ADD_MAP and DRM_IOCTL_RM_MAP ioctls 207 * argument type. 208 * 209 * \sa drmAddMap(). 210 */ 211 struct drm_map { 212 unsigned long offset; /**< Requested physical address (0 for SAREA)*/ 213 unsigned long size; /**< Requested physical size (bytes) */ 214 enum drm_map_type type; /**< Type of memory to map */ 215 enum drm_map_flags flags; /**< Flags */ 216 void *handle; /**< User-space: "Handle" to pass to mmap() */ 217 /**< Kernel-space: kernel-virtual address */ 218 int mtrr; /**< MTRR slot used */ 219 /* Private data */ 220 }; 221 222 /** 223 * DRM_IOCTL_GET_CLIENT ioctl argument type. 224 */ 225 struct drm_client { 226 int idx; /**< Which client desired? */ 227 int auth; /**< Is client authenticated? */ 228 unsigned long pid; /**< Process ID */ 229 unsigned long uid; /**< User ID */ 230 unsigned long magic; /**< Magic */ 231 unsigned long iocs; /**< Ioctl count */ 232 }; 233 234 enum drm_stat_type { 235 _DRM_STAT_LOCK, 236 _DRM_STAT_OPENS, 237 _DRM_STAT_CLOSES, 238 _DRM_STAT_IOCTLS, 239 _DRM_STAT_LOCKS, 240 _DRM_STAT_UNLOCKS, 241 _DRM_STAT_VALUE, /**< Generic value */ 242 _DRM_STAT_BYTE, /**< Generic byte counter (1024bytes/K) */ 243 _DRM_STAT_COUNT, /**< Generic non-byte counter (1000/k) */ 244 245 _DRM_STAT_IRQ, /**< IRQ */ 246 _DRM_STAT_PRIMARY, /**< Primary DMA bytes */ 247 _DRM_STAT_SECONDARY, /**< Secondary DMA bytes */ 248 _DRM_STAT_DMA, /**< DMA */ 249 _DRM_STAT_SPECIAL, /**< Special DMA (e.g., priority or polled) */ 250 _DRM_STAT_MISSED /**< Missed DMA opportunity */ 251 /* Add to the *END* of the list */ 252 }; 253 254 /** 255 * DRM_IOCTL_GET_STATS ioctl argument type. 256 */ 257 struct drm_stats { 258 unsigned long count; 259 struct { 260 unsigned long value; 261 enum drm_stat_type type; 262 } data[15]; 263 }; 264 265 /** 266 * Hardware locking flags. 267 */ 268 enum drm_lock_flags { 269 _DRM_LOCK_READY = 0x01, /**< Wait until hardware is ready for DMA */ 270 _DRM_LOCK_QUIESCENT = 0x02, /**< Wait until hardware quiescent */ 271 _DRM_LOCK_FLUSH = 0x04, /**< Flush this context's DMA queue first */ 272 _DRM_LOCK_FLUSH_ALL = 0x08, /**< Flush all DMA queues first */ 273 /* These *HALT* flags aren't supported yet 274 -- they will be used to support the 275 full-screen DGA-like mode. */ 276 _DRM_HALT_ALL_QUEUES = 0x10, /**< Halt all current and future queues */ 277 _DRM_HALT_CUR_QUEUES = 0x20 /**< Halt all current queues */ 278 }; 279 280 /** 281 * DRM_IOCTL_LOCK, DRM_IOCTL_UNLOCK and DRM_IOCTL_FINISH ioctl argument type. 282 * 283 * \sa drmGetLock() and drmUnlock(). 284 */ 285 struct drm_lock { 286 int context; 287 enum drm_lock_flags flags; 288 }; 289 290 /** 291 * DMA flags 292 * 293 * \warning 294 * These values \e must match xf86drm.h. 295 * 296 * \sa drm_dma. 297 */ 298 enum drm_dma_flags { 299 /* Flags for DMA buffer dispatch */ 300 _DRM_DMA_BLOCK = 0x01, /**< 301 * Block until buffer dispatched. 302 * 303 * \note The buffer may not yet have 304 * been processed by the hardware -- 305 * getting a hardware lock with the 306 * hardware quiescent will ensure 307 * that the buffer has been 308 * processed. 309 */ 310 _DRM_DMA_WHILE_LOCKED = 0x02, /**< Dispatch while lock held */ 311 _DRM_DMA_PRIORITY = 0x04, /**< High priority dispatch */ 312 313 /* Flags for DMA buffer request */ 314 _DRM_DMA_WAIT = 0x10, /**< Wait for free buffers */ 315 _DRM_DMA_SMALLER_OK = 0x20, /**< Smaller-than-requested buffers OK */ 316 _DRM_DMA_LARGER_OK = 0x40 /**< Larger-than-requested buffers OK */ 317 }; 318 319 /** 320 * DRM_IOCTL_ADD_BUFS and DRM_IOCTL_MARK_BUFS ioctl argument type. 321 * 322 * \sa drmAddBufs(). 323 */ 324 struct drm_buf_desc { 325 int count; /**< Number of buffers of this size */ 326 int size; /**< Size in bytes */ 327 int low_mark; /**< Low water mark */ 328 int high_mark; /**< High water mark */ 329 enum { 330 _DRM_PAGE_ALIGN = 0x01, /**< Align on page boundaries for DMA */ 331 _DRM_AGP_BUFFER = 0x02, /**< Buffer is in AGP space */ 332 _DRM_SG_BUFFER = 0x04, /**< Scatter/gather memory buffer */ 333 _DRM_FB_BUFFER = 0x08, /**< Buffer is in frame buffer */ 334 _DRM_PCI_BUFFER_RO = 0x10 /**< Map PCI DMA buffer read-only */ 335 } flags; 336 unsigned long agp_start; /**< 337 * Start address of where the AGP buffers are 338 * in the AGP aperture 339 */ 340 }; 341 342 /** 343 * DRM_IOCTL_INFO_BUFS ioctl argument type. 344 */ 345 struct drm_buf_info { 346 int count; /**< Entries in list */ 347 struct drm_buf_desc __user *list; 348 }; 349 350 /** 351 * DRM_IOCTL_FREE_BUFS ioctl argument type. 352 */ 353 struct drm_buf_free { 354 int count; 355 int __user *list; 356 }; 357 358 /** 359 * Buffer information 360 * 361 * \sa drm_buf_map. 362 */ 363 struct drm_buf_pub { 364 int idx; /**< Index into the master buffer list */ 365 int total; /**< Buffer size */ 366 int used; /**< Amount of buffer in use (for DMA) */ 367 void __user *address; /**< Address of buffer */ 368 }; 369 370 /** 371 * DRM_IOCTL_MAP_BUFS ioctl argument type. 372 */ 373 struct drm_buf_map { 374 int count; /**< Length of the buffer list */ 375 void __user *virtual; /**< Mmap'd area in user-virtual */ 376 struct drm_buf_pub __user *list; /**< Buffer information */ 377 }; 378 379 /** 380 * DRM_IOCTL_DMA ioctl argument type. 381 * 382 * Indices here refer to the offset into the buffer list in drm_buf_get. 383 * 384 * \sa drmDMA(). 385 */ 386 struct drm_dma { 387 int context; /**< Context handle */ 388 int send_count; /**< Number of buffers to send */ 389 int __user *send_indices; /**< List of handles to buffers */ 390 int __user *send_sizes; /**< Lengths of data to send */ 391 enum drm_dma_flags flags; /**< Flags */ 392 int request_count; /**< Number of buffers requested */ 393 int request_size; /**< Desired size for buffers */ 394 int __user *request_indices; /**< Buffer information */ 395 int __user *request_sizes; 396 int granted_count; /**< Number of buffers granted */ 397 }; 398 399 enum drm_ctx_flags { 400 _DRM_CONTEXT_PRESERVED = 0x01, 401 _DRM_CONTEXT_2DONLY = 0x02 402 }; 403 404 /** 405 * DRM_IOCTL_ADD_CTX ioctl argument type. 406 * 407 * \sa drmCreateContext() and drmDestroyContext(). 408 */ 409 struct drm_ctx { 410 drm_context_t handle; 411 enum drm_ctx_flags flags; 412 }; 413 414 /** 415 * DRM_IOCTL_RES_CTX ioctl argument type. 416 */ 417 struct drm_ctx_res { 418 int count; 419 struct drm_ctx __user *contexts; 420 }; 421 422 /** 423 * DRM_IOCTL_ADD_DRAW and DRM_IOCTL_RM_DRAW ioctl argument type. 424 */ 425 struct drm_draw { 426 drm_drawable_t handle; 427 }; 428 429 /** 430 * DRM_IOCTL_UPDATE_DRAW ioctl argument type. 431 */ 432 typedef enum { 433 DRM_DRAWABLE_CLIPRECTS, 434 } drm_drawable_info_type_t; 435 436 struct drm_update_draw { 437 drm_drawable_t handle; 438 unsigned int type; 439 unsigned int num; 440 unsigned long long data; 441 }; 442 443 /** 444 * DRM_IOCTL_GET_MAGIC and DRM_IOCTL_AUTH_MAGIC ioctl argument type. 445 */ 446 struct drm_auth { 447 drm_magic_t magic; 448 }; 449 450 /** 451 * DRM_IOCTL_IRQ_BUSID ioctl argument type. 452 * 453 * \sa drmGetInterruptFromBusID(). 454 */ 455 struct drm_irq_busid { 456 int irq; /**< IRQ number */ 457 int busnum; /**< bus number */ 458 int devnum; /**< device number */ 459 int funcnum; /**< function number */ 460 }; 461 462 enum drm_vblank_seq_type { 463 _DRM_VBLANK_ABSOLUTE = 0x0, /**< Wait for specific vblank sequence number */ 464 _DRM_VBLANK_RELATIVE = 0x1, /**< Wait for given number of vblanks */ 465 /* bits 1-6 are reserved for high crtcs */ 466 _DRM_VBLANK_HIGH_CRTC_MASK = 0x0000003e, 467 _DRM_VBLANK_EVENT = 0x4000000, /**< Send event instead of blocking */ 468 _DRM_VBLANK_FLIP = 0x8000000, /**< Scheduled buffer swap should flip */ 469 _DRM_VBLANK_NEXTONMISS = 0x10000000, /**< If missed, wait for next vblank */ 470 _DRM_VBLANK_SECONDARY = 0x20000000, /**< Secondary display controller */ 471 _DRM_VBLANK_SIGNAL = 0x40000000 /**< Send signal instead of blocking, unsupported */ 472 }; 473 #define _DRM_VBLANK_HIGH_CRTC_SHIFT 1 474 475 #define _DRM_VBLANK_TYPES_MASK (_DRM_VBLANK_ABSOLUTE | _DRM_VBLANK_RELATIVE) 476 #define _DRM_VBLANK_FLAGS_MASK (_DRM_VBLANK_EVENT | _DRM_VBLANK_SIGNAL | \ 477 _DRM_VBLANK_SECONDARY | _DRM_VBLANK_NEXTONMISS) 478 479 struct drm_wait_vblank_request { 480 enum drm_vblank_seq_type type; 481 unsigned int sequence; 482 unsigned long signal; 483 }; 484 485 struct drm_wait_vblank_reply { 486 enum drm_vblank_seq_type type; 487 unsigned int sequence; 488 long tval_sec; 489 long tval_usec; 490 }; 491 492 /** 493 * DRM_IOCTL_WAIT_VBLANK ioctl argument type. 494 * 495 * \sa drmWaitVBlank(). 496 */ 497 union drm_wait_vblank { 498 struct drm_wait_vblank_request request; 499 struct drm_wait_vblank_reply reply; 500 }; 501 502 #define _DRM_PRE_MODESET 1 503 #define _DRM_POST_MODESET 2 504 505 /** 506 * DRM_IOCTL_MODESET_CTL ioctl argument type 507 * 508 * \sa drmModesetCtl(). 509 */ 510 struct drm_modeset_ctl { 511 __u32 crtc; 512 __u32 cmd; 513 }; 514 515 /** 516 * DRM_IOCTL_AGP_ENABLE ioctl argument type. 517 * 518 * \sa drmAgpEnable(). 519 */ 520 struct drm_agp_mode { 521 unsigned long mode; /**< AGP mode */ 522 }; 523 524 /** 525 * DRM_IOCTL_AGP_ALLOC and DRM_IOCTL_AGP_FREE ioctls argument type. 526 * 527 * \sa drmAgpAlloc() and drmAgpFree(). 528 */ 529 struct drm_agp_buffer { 530 unsigned long size; /**< In bytes -- will round to page boundary */ 531 unsigned long handle; /**< Used for binding / unbinding */ 532 unsigned long type; /**< Type of memory to allocate */ 533 unsigned long physical; /**< Physical used by i810 */ 534 }; 535 536 /** 537 * DRM_IOCTL_AGP_BIND and DRM_IOCTL_AGP_UNBIND ioctls argument type. 538 * 539 * \sa drmAgpBind() and drmAgpUnbind(). 540 */ 541 struct drm_agp_binding { 542 unsigned long handle; /**< From drm_agp_buffer */ 543 unsigned long offset; /**< In bytes -- will round to page boundary */ 544 }; 545 546 /** 547 * DRM_IOCTL_AGP_INFO ioctl argument type. 548 * 549 * \sa drmAgpVersionMajor(), drmAgpVersionMinor(), drmAgpGetMode(), 550 * drmAgpBase(), drmAgpSize(), drmAgpMemoryUsed(), drmAgpMemoryAvail(), 551 * drmAgpVendorId() and drmAgpDeviceId(). 552 */ 553 struct drm_agp_info { 554 int agp_version_major; 555 int agp_version_minor; 556 unsigned long mode; 557 unsigned long aperture_base; /* physical address */ 558 unsigned long aperture_size; /* bytes */ 559 unsigned long memory_allowed; /* bytes */ 560 unsigned long memory_used; 561 562 /* PCI information */ 563 unsigned short id_vendor; 564 unsigned short id_device; 565 }; 566 567 /** 568 * DRM_IOCTL_SG_ALLOC ioctl argument type. 569 */ 570 struct drm_scatter_gather { 571 unsigned long size; /**< In bytes -- will round to page boundary */ 572 unsigned long handle; /**< Used for mapping / unmapping */ 573 }; 574 575 /** 576 * DRM_IOCTL_SET_VERSION ioctl argument type. 577 */ 578 struct drm_set_version { 579 int drm_di_major; 580 int drm_di_minor; 581 int drm_dd_major; 582 int drm_dd_minor; 583 }; 584 585 /** DRM_IOCTL_GEM_CLOSE ioctl argument type */ 586 struct drm_gem_close { 587 /** Handle of the object to be closed. */ 588 __u32 handle; 589 __u32 pad; 590 }; 591 592 /** DRM_IOCTL_GEM_FLINK ioctl argument type */ 593 struct drm_gem_flink { 594 /** Handle for the object being named */ 595 __u32 handle; 596 597 /** Returned global name */ 598 __u32 name; 599 }; 600 601 /** DRM_IOCTL_GEM_OPEN ioctl argument type */ 602 struct drm_gem_open { 603 /** Name of object being opened */ 604 __u32 name; 605 606 /** Returned handle for the object */ 607 __u32 handle; 608 609 /** Returned size of the object */ 610 __u64 size; 611 }; 612 613 #define DRM_CAP_DUMB_BUFFER 0x1 614 #define DRM_CAP_VBLANK_HIGH_CRTC 0x2 615 #define DRM_CAP_DUMB_PREFERRED_DEPTH 0x3 616 #define DRM_CAP_DUMB_PREFER_SHADOW 0x4 617 #define DRM_CAP_PRIME 0x5 618 #define DRM_PRIME_CAP_IMPORT 0x1 619 #define DRM_PRIME_CAP_EXPORT 0x2 620 #define DRM_CAP_TIMESTAMP_MONOTONIC 0x6 621 #define DRM_CAP_ASYNC_PAGE_FLIP 0x7 622 /* 623 * The CURSOR_WIDTH and CURSOR_HEIGHT capabilities return a valid widthxheight 624 * combination for the hardware cursor. The intention is that a hardware 625 * agnostic userspace can query a cursor plane size to use. 626 * 627 * Note that the cross-driver contract is to merely return a valid size; 628 * drivers are free to attach another meaning on top, eg. i915 returns the 629 * maximum plane size. 630 */ 631 #define DRM_CAP_CURSOR_WIDTH 0x8 632 #define DRM_CAP_CURSOR_HEIGHT 0x9 633 #define DRM_CAP_ADDFB2_MODIFIERS 0x10 634 635 /** DRM_IOCTL_GET_CAP ioctl argument type */ 636 struct drm_get_cap { 637 __u64 capability; 638 __u64 value; 639 }; 640 641 /** 642 * DRM_CLIENT_CAP_STEREO_3D 643 * 644 * if set to 1, the DRM core will expose the stereo 3D capabilities of the 645 * monitor by advertising the supported 3D layouts in the flags of struct 646 * drm_mode_modeinfo. 647 */ 648 #define DRM_CLIENT_CAP_STEREO_3D 1 649 650 /** 651 * DRM_CLIENT_CAP_UNIVERSAL_PLANES 652 * 653 * If set to 1, the DRM core will expose all planes (overlay, primary, and 654 * cursor) to userspace. 655 */ 656 #define DRM_CLIENT_CAP_UNIVERSAL_PLANES 2 657 658 /** 659 * DRM_CLIENT_CAP_ATOMIC 660 * 661 * If set to 1, the DRM core will expose atomic properties to userspace 662 */ 663 #define DRM_CLIENT_CAP_ATOMIC 3 664 665 /** DRM_IOCTL_SET_CLIENT_CAP ioctl argument type */ 666 struct drm_set_client_cap { 667 __u64 capability; 668 __u64 value; 669 }; 670 671 #define DRM_CLOEXEC O_CLOEXEC 672 struct drm_prime_handle { 673 __u32 handle; 674 675 /** Flags.. only applicable for handle->fd */ 676 __u32 flags; 677 678 /** Returned dmabuf file descriptor */ 679 __s32 fd; 680 }; 681 682 #include <drm/drm_mode.h> 683 684 #define DRM_IOCTL_BASE 'd' 685 #define DRM_IO(nr) _IO(DRM_IOCTL_BASE,nr) 686 #define DRM_IOR(nr,type) _IOR(DRM_IOCTL_BASE,nr,type) 687 #define DRM_IOW(nr,type) _IOW(DRM_IOCTL_BASE,nr,type) 688 #define DRM_IOWR(nr,type) _IOWR(DRM_IOCTL_BASE,nr,type) 689 690 #define DRM_IOCTL_VERSION DRM_IOWR(0x00, struct drm_version) 691 #define DRM_IOCTL_GET_UNIQUE DRM_IOWR(0x01, struct drm_unique) 692 #define DRM_IOCTL_GET_MAGIC DRM_IOR( 0x02, struct drm_auth) 693 #define DRM_IOCTL_IRQ_BUSID DRM_IOWR(0x03, struct drm_irq_busid) 694 #define DRM_IOCTL_GET_MAP DRM_IOWR(0x04, struct drm_map) 695 #define DRM_IOCTL_GET_CLIENT DRM_IOWR(0x05, struct drm_client) 696 #define DRM_IOCTL_GET_STATS DRM_IOR( 0x06, struct drm_stats) 697 #define DRM_IOCTL_SET_VERSION DRM_IOWR(0x07, struct drm_set_version) 698 #define DRM_IOCTL_MODESET_CTL DRM_IOW(0x08, struct drm_modeset_ctl) 699 #define DRM_IOCTL_GEM_CLOSE DRM_IOW (0x09, struct drm_gem_close) 700 #define DRM_IOCTL_GEM_FLINK DRM_IOWR(0x0a, struct drm_gem_flink) 701 #define DRM_IOCTL_GEM_OPEN DRM_IOWR(0x0b, struct drm_gem_open) 702 #define DRM_IOCTL_GET_CAP DRM_IOWR(0x0c, struct drm_get_cap) 703 #define DRM_IOCTL_SET_CLIENT_CAP DRM_IOW( 0x0d, struct drm_set_client_cap) 704 705 #define DRM_IOCTL_SET_UNIQUE DRM_IOW( 0x10, struct drm_unique) 706 #define DRM_IOCTL_AUTH_MAGIC DRM_IOW( 0x11, struct drm_auth) 707 #define DRM_IOCTL_BLOCK DRM_IOWR(0x12, struct drm_block) 708 #define DRM_IOCTL_UNBLOCK DRM_IOWR(0x13, struct drm_block) 709 #define DRM_IOCTL_CONTROL DRM_IOW( 0x14, struct drm_control) 710 #define DRM_IOCTL_ADD_MAP DRM_IOWR(0x15, struct drm_map) 711 #define DRM_IOCTL_ADD_BUFS DRM_IOWR(0x16, struct drm_buf_desc) 712 #define DRM_IOCTL_MARK_BUFS DRM_IOW( 0x17, struct drm_buf_desc) 713 #define DRM_IOCTL_INFO_BUFS DRM_IOWR(0x18, struct drm_buf_info) 714 #define DRM_IOCTL_MAP_BUFS DRM_IOWR(0x19, struct drm_buf_map) 715 #define DRM_IOCTL_FREE_BUFS DRM_IOW( 0x1a, struct drm_buf_free) 716 717 #define DRM_IOCTL_RM_MAP DRM_IOW( 0x1b, struct drm_map) 718 719 #define DRM_IOCTL_SET_SAREA_CTX DRM_IOW( 0x1c, struct drm_ctx_priv_map) 720 #define DRM_IOCTL_GET_SAREA_CTX DRM_IOWR(0x1d, struct drm_ctx_priv_map) 721 722 #define DRM_IOCTL_SET_MASTER DRM_IO(0x1e) 723 #define DRM_IOCTL_DROP_MASTER DRM_IO(0x1f) 724 725 #define DRM_IOCTL_ADD_CTX DRM_IOWR(0x20, struct drm_ctx) 726 #define DRM_IOCTL_RM_CTX DRM_IOWR(0x21, struct drm_ctx) 727 #define DRM_IOCTL_MOD_CTX DRM_IOW( 0x22, struct drm_ctx) 728 #define DRM_IOCTL_GET_CTX DRM_IOWR(0x23, struct drm_ctx) 729 #define DRM_IOCTL_SWITCH_CTX DRM_IOW( 0x24, struct drm_ctx) 730 #define DRM_IOCTL_NEW_CTX DRM_IOW( 0x25, struct drm_ctx) 731 #define DRM_IOCTL_RES_CTX DRM_IOWR(0x26, struct drm_ctx_res) 732 #define DRM_IOCTL_ADD_DRAW DRM_IOWR(0x27, struct drm_draw) 733 #define DRM_IOCTL_RM_DRAW DRM_IOWR(0x28, struct drm_draw) 734 #define DRM_IOCTL_DMA DRM_IOWR(0x29, struct drm_dma) 735 #define DRM_IOCTL_LOCK DRM_IOW( 0x2a, struct drm_lock) 736 #define DRM_IOCTL_UNLOCK DRM_IOW( 0x2b, struct drm_lock) 737 #define DRM_IOCTL_FINISH DRM_IOW( 0x2c, struct drm_lock) 738 739 #define DRM_IOCTL_PRIME_HANDLE_TO_FD DRM_IOWR(0x2d, struct drm_prime_handle) 740 #define DRM_IOCTL_PRIME_FD_TO_HANDLE DRM_IOWR(0x2e, struct drm_prime_handle) 741 742 #define DRM_IOCTL_AGP_ACQUIRE DRM_IO( 0x30) 743 #define DRM_IOCTL_AGP_RELEASE DRM_IO( 0x31) 744 #define DRM_IOCTL_AGP_ENABLE DRM_IOW( 0x32, struct drm_agp_mode) 745 #define DRM_IOCTL_AGP_INFO DRM_IOR( 0x33, struct drm_agp_info) 746 #define DRM_IOCTL_AGP_ALLOC DRM_IOWR(0x34, struct drm_agp_buffer) 747 #define DRM_IOCTL_AGP_FREE DRM_IOW( 0x35, struct drm_agp_buffer) 748 #define DRM_IOCTL_AGP_BIND DRM_IOW( 0x36, struct drm_agp_binding) 749 #define DRM_IOCTL_AGP_UNBIND DRM_IOW( 0x37, struct drm_agp_binding) 750 751 #define DRM_IOCTL_SG_ALLOC DRM_IOWR(0x38, struct drm_scatter_gather) 752 #define DRM_IOCTL_SG_FREE DRM_IOW( 0x39, struct drm_scatter_gather) 753 754 #define DRM_IOCTL_WAIT_VBLANK DRM_IOWR(0x3a, union drm_wait_vblank) 755 756 #define DRM_IOCTL_UPDATE_DRAW DRM_IOW(0x3f, struct drm_update_draw) 757 758 #define DRM_IOCTL_MODE_GETRESOURCES DRM_IOWR(0xA0, struct drm_mode_card_res) 759 #define DRM_IOCTL_MODE_GETCRTC DRM_IOWR(0xA1, struct drm_mode_crtc) 760 #define DRM_IOCTL_MODE_SETCRTC DRM_IOWR(0xA2, struct drm_mode_crtc) 761 #define DRM_IOCTL_MODE_CURSOR DRM_IOWR(0xA3, struct drm_mode_cursor) 762 #define DRM_IOCTL_MODE_GETGAMMA DRM_IOWR(0xA4, struct drm_mode_crtc_lut) 763 #define DRM_IOCTL_MODE_SETGAMMA DRM_IOWR(0xA5, struct drm_mode_crtc_lut) 764 #define DRM_IOCTL_MODE_GETENCODER DRM_IOWR(0xA6, struct drm_mode_get_encoder) 765 #define DRM_IOCTL_MODE_GETCONNECTOR DRM_IOWR(0xA7, struct drm_mode_get_connector) 766 #define DRM_IOCTL_MODE_ATTACHMODE DRM_IOWR(0xA8, struct drm_mode_mode_cmd) /* deprecated (never worked) */ 767 #define DRM_IOCTL_MODE_DETACHMODE DRM_IOWR(0xA9, struct drm_mode_mode_cmd) /* deprecated (never worked) */ 768 769 #define DRM_IOCTL_MODE_GETPROPERTY DRM_IOWR(0xAA, struct drm_mode_get_property) 770 #define DRM_IOCTL_MODE_SETPROPERTY DRM_IOWR(0xAB, struct drm_mode_connector_set_property) 771 #define DRM_IOCTL_MODE_GETPROPBLOB DRM_IOWR(0xAC, struct drm_mode_get_blob) 772 #define DRM_IOCTL_MODE_GETFB DRM_IOWR(0xAD, struct drm_mode_fb_cmd) 773 #define DRM_IOCTL_MODE_ADDFB DRM_IOWR(0xAE, struct drm_mode_fb_cmd) 774 #define DRM_IOCTL_MODE_RMFB DRM_IOWR(0xAF, unsigned int) 775 #define DRM_IOCTL_MODE_PAGE_FLIP DRM_IOWR(0xB0, struct drm_mode_crtc_page_flip) 776 #define DRM_IOCTL_MODE_DIRTYFB DRM_IOWR(0xB1, struct drm_mode_fb_dirty_cmd) 777 778 #define DRM_IOCTL_MODE_CREATE_DUMB DRM_IOWR(0xB2, struct drm_mode_create_dumb) 779 #define DRM_IOCTL_MODE_MAP_DUMB DRM_IOWR(0xB3, struct drm_mode_map_dumb) 780 #define DRM_IOCTL_MODE_DESTROY_DUMB DRM_IOWR(0xB4, struct drm_mode_destroy_dumb) 781 #define DRM_IOCTL_MODE_GETPLANERESOURCES DRM_IOWR(0xB5, struct drm_mode_get_plane_res) 782 #define DRM_IOCTL_MODE_GETPLANE DRM_IOWR(0xB6, struct drm_mode_get_plane) 783 #define DRM_IOCTL_MODE_SETPLANE DRM_IOWR(0xB7, struct drm_mode_set_plane) 784 #define DRM_IOCTL_MODE_ADDFB2 DRM_IOWR(0xB8, struct drm_mode_fb_cmd2) 785 #define DRM_IOCTL_MODE_OBJ_GETPROPERTIES DRM_IOWR(0xB9, struct drm_mode_obj_get_properties) 786 #define DRM_IOCTL_MODE_OBJ_SETPROPERTY DRM_IOWR(0xBA, struct drm_mode_obj_set_property) 787 #define DRM_IOCTL_MODE_CURSOR2 DRM_IOWR(0xBB, struct drm_mode_cursor2) 788 #define DRM_IOCTL_MODE_ATOMIC DRM_IOWR(0xBC, struct drm_mode_atomic) 789 #define DRM_IOCTL_MODE_CREATEPROPBLOB DRM_IOWR(0xBD, struct drm_mode_create_blob) 790 #define DRM_IOCTL_MODE_DESTROYPROPBLOB DRM_IOWR(0xBE, struct drm_mode_destroy_blob) 791 792 /** 793 * Device specific ioctls should only be in their respective headers 794 * The device specific ioctl range is from 0x40 to 0x9f. 795 * Generic IOCTLS restart at 0xA0. 796 * 797 * \sa drmCommandNone(), drmCommandRead(), drmCommandWrite(), and 798 * drmCommandReadWrite(). 799 */ 800 #define DRM_COMMAND_BASE 0x40 801 #define DRM_COMMAND_END 0xA0 802 803 /** 804 * Header for events written back to userspace on the drm fd. The 805 * type defines the type of event, the length specifies the total 806 * length of the event (including the header), and user_data is 807 * typically a 64 bit value passed with the ioctl that triggered the 808 * event. A read on the drm fd will always only return complete 809 * events, that is, if for example the read buffer is 100 bytes, and 810 * there are two 64 byte events pending, only one will be returned. 811 * 812 * Event types 0 - 0x7fffffff are generic drm events, 0x80000000 and 813 * up are chipset specific. 814 */ 815 struct drm_event { 816 __u32 type; 817 __u32 length; 818 }; 819 820 #define DRM_EVENT_VBLANK 0x01 821 #define DRM_EVENT_FLIP_COMPLETE 0x02 822 823 struct drm_event_vblank { 824 struct drm_event base; 825 __u64 user_data; 826 __u32 tv_sec; 827 __u32 tv_usec; 828 __u32 sequence; 829 __u32 reserved; 830 }; 831 832 /* typedef area */ 833 #ifndef __KERNEL__ 834 typedef struct drm_clip_rect drm_clip_rect_t; 835 typedef struct drm_drawable_info drm_drawable_info_t; 836 typedef struct drm_tex_region drm_tex_region_t; 837 typedef struct drm_hw_lock drm_hw_lock_t; 838 typedef struct drm_version drm_version_t; 839 typedef struct drm_unique drm_unique_t; 840 typedef struct drm_list drm_list_t; 841 typedef struct drm_block drm_block_t; 842 typedef struct drm_control drm_control_t; 843 typedef enum drm_map_type drm_map_type_t; 844 typedef enum drm_map_flags drm_map_flags_t; 845 typedef struct drm_ctx_priv_map drm_ctx_priv_map_t; 846 typedef struct drm_map drm_map_t; 847 typedef struct drm_client drm_client_t; 848 typedef enum drm_stat_type drm_stat_type_t; 849 typedef struct drm_stats drm_stats_t; 850 typedef enum drm_lock_flags drm_lock_flags_t; 851 typedef struct drm_lock drm_lock_t; 852 typedef enum drm_dma_flags drm_dma_flags_t; 853 typedef struct drm_buf_desc drm_buf_desc_t; 854 typedef struct drm_buf_info drm_buf_info_t; 855 typedef struct drm_buf_free drm_buf_free_t; 856 typedef struct drm_buf_pub drm_buf_pub_t; 857 typedef struct drm_buf_map drm_buf_map_t; 858 typedef struct drm_dma drm_dma_t; 859 typedef union drm_wait_vblank drm_wait_vblank_t; 860 typedef struct drm_agp_mode drm_agp_mode_t; 861 typedef enum drm_ctx_flags drm_ctx_flags_t; 862 typedef struct drm_ctx drm_ctx_t; 863 typedef struct drm_ctx_res drm_ctx_res_t; 864 typedef struct drm_draw drm_draw_t; 865 typedef struct drm_update_draw drm_update_draw_t; 866 typedef struct drm_auth drm_auth_t; 867 typedef struct drm_irq_busid drm_irq_busid_t; 868 typedef enum drm_vblank_seq_type drm_vblank_seq_type_t; 869 870 typedef struct drm_agp_buffer drm_agp_buffer_t; 871 typedef struct drm_agp_binding drm_agp_binding_t; 872 typedef struct drm_agp_info drm_agp_info_t; 873 typedef struct drm_scatter_gather drm_scatter_gather_t; 874 typedef struct drm_set_version drm_set_version_t; 875 #endif 876 877 #endif 878
