1 /** 2 * \file drm.h 3 * Header for the Direct Rendering Manager 4 * 5 * \author Rickard E. (Rik) Faith <faith@valinux.com> 6 * 7 * \par Acknowledgments: 8 * Dec 1999, Richard Henderson <rth@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__) || defined(__DragonFly__) 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 size_t __kernel_size_t; 58 typedef unsigned long drm_handle_t; 59 60 #endif 61 62 #define DRM_NAME "drm" /**< Name in kernel, /dev, and /proc */ 63 #define DRM_MIN_ORDER 5 /**< At least 2^5 bytes = 32 bytes */ 64 #define DRM_MAX_ORDER 22 /**< Up to 2^22 bytes = 4MB */ 65 #define DRM_RAM_PERCENT 10 /**< How much system ram can we lock? */ 66 67 #define _DRM_LOCK_HELD 0x80000000U /**< Hardware lock is held */ 68 #define _DRM_LOCK_CONT 0x40000000U /**< Hardware lock is contended */ 69 #define _DRM_LOCK_IS_HELD(lock) ((lock) & _DRM_LOCK_HELD) 70 #define _DRM_LOCK_IS_CONT(lock) ((lock) & _DRM_LOCK_CONT) 71 #define _DRM_LOCKING_CONTEXT(lock) ((lock) & ~(_DRM_LOCK_HELD|_DRM_LOCK_CONT)) 72 73 typedef unsigned int drm_context_t; 74 typedef unsigned int drm_drawable_t; 75 typedef unsigned int drm_magic_t; 76 77 /** 78 * Cliprect. 79 * 80 * \warning: If you change this structure, make sure you change 81 * XF86DRIClipRectRec in the server as well 82 * 83 * \note KW: Actually it's illegal to change either for 84 * backwards-compatibility reasons. 85 */ 86 struct drm_clip_rect { 87 unsigned short x1; 88 unsigned short y1; 89 unsigned short x2; 90 unsigned short y2; 91 }; 92 93 /** 94 * Drawable information. 95 */ 96 struct drm_drawable_info { 97 unsigned int num_rects; 98 struct drm_clip_rect *rects; 99 }; 100 101 /** 102 * Texture region, 103 */ 104 struct drm_tex_region { 105 unsigned char next; 106 unsigned char prev; 107 unsigned char in_use; 108 unsigned char padding; 109 unsigned int age; 110 }; 111 112 /** 113 * Hardware lock. 114 * 115 * The lock structure is a simple cache-line aligned integer. To avoid 116 * processor bus contention on a multiprocessor system, there should not be any 117 * other data stored in the same cache line. 118 */ 119 struct drm_hw_lock { 120 __volatile__ unsigned int lock; /**< lock variable */ 121 char padding[60]; /**< Pad to cache line */ 122 }; 123 124 /** 125 * DRM_IOCTL_VERSION ioctl argument type. 126 * 127 * \sa drmGetVersion(). 128 */ 129 struct drm_version { 130 int version_major; /**< Major version */ 131 int version_minor; /**< Minor version */ 132 int version_patchlevel; /**< Patch level */ 133 __kernel_size_t name_len; /**< Length of name buffer */ 134 char __user *name; /**< Name of driver */ 135 __kernel_size_t date_len; /**< Length of date buffer */ 136 char __user *date; /**< User-space buffer to hold date */ 137 __kernel_size_t desc_len; /**< Length of desc buffer */ 138 char __user *desc; /**< User-space buffer to hold desc */ 139 }; 140 141 /** 142 * DRM_IOCTL_GET_UNIQUE ioctl argument type. 143 * 144 * \sa drmGetBusid() and drmSetBusId(). 145 */ 146 struct drm_unique { 147 __kernel_size_t unique_len; /**< Length of unique */ 148 char __user *unique; /**< Unique name for driver instantiation */ 149 }; 150 151 struct drm_list { 152 int count; /**< Length of user-space structures */ 153 struct drm_version __user *version; 154 }; 155 156 struct drm_block { 157 int unused; 158 }; 159 160 /** 161 * DRM_IOCTL_CONTROL ioctl argument type. 162 * 163 * \sa drmCtlInstHandler() and drmCtlUninstHandler(). 164 */ 165 struct drm_control { 166 enum { 167 DRM_ADD_COMMAND, 168 DRM_RM_COMMAND, 169 DRM_INST_HANDLER, 170 DRM_UNINST_HANDLER 171 } func; 172 int irq; 173 }; 174 175 /** 176 * Type of memory to map. 177 */ 178 enum drm_map_type { 179 _DRM_FRAME_BUFFER = 0, /**< WC (no caching), no core dump */ 180 _DRM_REGISTERS = 1, /**< no caching, no core dump */ 181 _DRM_SHM = 2, /**< shared, cached */ 182 _DRM_AGP = 3, /**< AGP/GART */ 183 _DRM_SCATTER_GATHER = 4, /**< Scatter/gather memory for PCI DMA */ 184 _DRM_CONSISTENT = 5, /**< Consistent memory for PCI DMA */ 185 }; 186 187 /** 188 * Memory mapping flags. 189 */ 190 enum drm_map_flags { 191 _DRM_RESTRICTED = 0x01, /**< Cannot be mapped to user-virtual */ 192 _DRM_READ_ONLY = 0x02, 193 _DRM_LOCKED = 0x04, /**< shared, cached, locked */ 194 _DRM_KERNEL = 0x08, /**< kernel requires access */ 195 _DRM_WRITE_COMBINING = 0x10, /**< use write-combining if available */ 196 _DRM_CONTAINS_LOCK = 0x20, /**< SHM page that contains lock */ 197 _DRM_REMOVABLE = 0x40, /**< Removable mapping */ 198 _DRM_DRIVER = 0x80 /**< Managed by driver */ 199 }; 200 201 struct drm_ctx_priv_map { 202 unsigned int ctx_id; /**< Context requesting private mapping */ 203 void *handle; /**< Handle of map */ 204 }; 205 206 /** 207 * DRM_IOCTL_GET_MAP, DRM_IOCTL_ADD_MAP and DRM_IOCTL_RM_MAP ioctls 208 * argument type. 209 * 210 * \sa drmAddMap(). 211 */ 212 struct drm_map { 213 unsigned long offset; /**< Requested physical address (0 for SAREA)*/ 214 unsigned long size; /**< Requested physical size (bytes) */ 215 enum drm_map_type type; /**< Type of memory to map */ 216 enum drm_map_flags flags; /**< Flags */ 217 void *handle; /**< User-space: "Handle" to pass to mmap() */ 218 /**< Kernel-space: kernel-virtual address */ 219 int mtrr; /**< MTRR slot used */ 220 /* Private data */ 221 }; 222 223 /** 224 * DRM_IOCTL_GET_CLIENT ioctl argument type. 225 */ 226 struct drm_client { 227 int idx; /**< Which client desired? */ 228 int auth; /**< Is client authenticated? */ 229 unsigned long pid; /**< Process ID */ 230 unsigned long uid; /**< User ID */ 231 unsigned long magic; /**< Magic */ 232 unsigned long iocs; /**< Ioctl count */ 233 }; 234 235 enum drm_stat_type { 236 _DRM_STAT_LOCK, 237 _DRM_STAT_OPENS, 238 _DRM_STAT_CLOSES, 239 _DRM_STAT_IOCTLS, 240 _DRM_STAT_LOCKS, 241 _DRM_STAT_UNLOCKS, 242 _DRM_STAT_VALUE, /**< Generic value */ 243 _DRM_STAT_BYTE, /**< Generic byte counter (1024bytes/K) */ 244 _DRM_STAT_COUNT, /**< Generic non-byte counter (1000/k) */ 245 246 _DRM_STAT_IRQ, /**< IRQ */ 247 _DRM_STAT_PRIMARY, /**< Primary DMA bytes */ 248 _DRM_STAT_SECONDARY, /**< Secondary DMA bytes */ 249 _DRM_STAT_DMA, /**< DMA */ 250 _DRM_STAT_SPECIAL, /**< Special DMA (e.g., priority or polled) */ 251 _DRM_STAT_MISSED /**< Missed DMA opportunity */ 252 /* Add to the *END* of the list */ 253 }; 254 255 /** 256 * DRM_IOCTL_GET_STATS ioctl argument type. 257 */ 258 struct drm_stats { 259 unsigned long count; 260 struct { 261 unsigned long value; 262 enum drm_stat_type type; 263 } data[15]; 264 }; 265 266 /** 267 * Hardware locking flags. 268 */ 269 enum drm_lock_flags { 270 _DRM_LOCK_READY = 0x01, /**< Wait until hardware is ready for DMA */ 271 _DRM_LOCK_QUIESCENT = 0x02, /**< Wait until hardware quiescent */ 272 _DRM_LOCK_FLUSH = 0x04, /**< Flush this context's DMA queue first */ 273 _DRM_LOCK_FLUSH_ALL = 0x08, /**< Flush all DMA queues first */ 274 /* These *HALT* flags aren't supported yet 275 -- they will be used to support the 276 full-screen DGA-like mode. */ 277 _DRM_HALT_ALL_QUEUES = 0x10, /**< Halt all current and future queues */ 278 _DRM_HALT_CUR_QUEUES = 0x20 /**< Halt all current queues */ 279 }; 280 281 /** 282 * DRM_IOCTL_LOCK, DRM_IOCTL_UNLOCK and DRM_IOCTL_FINISH ioctl argument type. 283 * 284 * \sa drmGetLock() and drmUnlock(). 285 */ 286 struct drm_lock { 287 int context; 288 enum drm_lock_flags flags; 289 }; 290 291 /** 292 * DMA flags 293 * 294 * \warning 295 * These values \e must match xf86drm.h. 296 * 297 * \sa drm_dma. 298 */ 299 enum drm_dma_flags { 300 /* Flags for DMA buffer dispatch */ 301 _DRM_DMA_BLOCK = 0x01, /**< 302 * Block until buffer dispatched. 303 * 304 * \note The buffer may not yet have 305 * been processed by the hardware -- 306 * getting a hardware lock with the 307 * hardware quiescent will ensure 308 * that the buffer has been 309 * processed. 310 */ 311 _DRM_DMA_WHILE_LOCKED = 0x02, /**< Dispatch while lock held */ 312 _DRM_DMA_PRIORITY = 0x04, /**< High priority dispatch */ 313 314 /* Flags for DMA buffer request */ 315 _DRM_DMA_WAIT = 0x10, /**< Wait for free buffers */ 316 _DRM_DMA_SMALLER_OK = 0x20, /**< Smaller-than-requested buffers OK */ 317 _DRM_DMA_LARGER_OK = 0x40 /**< Larger-than-requested buffers OK */ 318 }; 319 320 /** 321 * DRM_IOCTL_ADD_BUFS and DRM_IOCTL_MARK_BUFS ioctl argument type. 322 * 323 * \sa drmAddBufs(). 324 */ 325 struct drm_buf_desc { 326 int count; /**< Number of buffers of this size */ 327 int size; /**< Size in bytes */ 328 int low_mark; /**< Low water mark */ 329 int high_mark; /**< High water mark */ 330 enum { 331 _DRM_PAGE_ALIGN = 0x01, /**< Align on page boundaries for DMA */ 332 _DRM_AGP_BUFFER = 0x02, /**< Buffer is in AGP space */ 333 _DRM_SG_BUFFER = 0x04, /**< Scatter/gather memory buffer */ 334 _DRM_FB_BUFFER = 0x08, /**< Buffer is in frame buffer */ 335 _DRM_PCI_BUFFER_RO = 0x10 /**< Map PCI DMA buffer read-only */ 336 } flags; 337 unsigned long agp_start; /**< 338 * Start address of where the AGP buffers are 339 * in the AGP aperture 340 */ 341 }; 342 343 /** 344 * DRM_IOCTL_INFO_BUFS ioctl argument type. 345 */ 346 struct drm_buf_info { 347 int count; /**< Entries in list */ 348 struct drm_buf_desc __user *list; 349 }; 350 351 /** 352 * DRM_IOCTL_FREE_BUFS ioctl argument type. 353 */ 354 struct drm_buf_free { 355 int count; 356 int __user *list; 357 }; 358 359 /** 360 * Buffer information 361 * 362 * \sa drm_buf_map. 363 */ 364 struct drm_buf_pub { 365 int idx; /**< Index into the master buffer list */ 366 int total; /**< Buffer size */ 367 int used; /**< Amount of buffer in use (for DMA) */ 368 void __user *address; /**< Address of buffer */ 369 }; 370 371 /** 372 * DRM_IOCTL_MAP_BUFS ioctl argument type. 373 */ 374 struct drm_buf_map { 375 int count; /**< Length of the buffer list */ 376 void __user *virtual; /**< Mmap'd area in user-virtual */ 377 struct drm_buf_pub __user *list; /**< Buffer information */ 378 }; 379 380 /** 381 * DRM_IOCTL_DMA ioctl argument type. 382 * 383 * Indices here refer to the offset into the buffer list in drm_buf_get. 384 * 385 * \sa drmDMA(). 386 */ 387 struct drm_dma { 388 int context; /**< Context handle */ 389 int send_count; /**< Number of buffers to send */ 390 int __user *send_indices; /**< List of handles to buffers */ 391 int __user *send_sizes; /**< Lengths of data to send */ 392 enum drm_dma_flags flags; /**< Flags */ 393 int request_count; /**< Number of buffers requested */ 394 int request_size; /**< Desired size for buffers */ 395 int __user *request_indices; /**< Buffer information */ 396 int __user *request_sizes; 397 int granted_count; /**< Number of buffers granted */ 398 }; 399 400 enum drm_ctx_flags { 401 _DRM_CONTEXT_PRESERVED = 0x01, 402 _DRM_CONTEXT_2DONLY = 0x02 403 }; 404 405 /** 406 * DRM_IOCTL_ADD_CTX ioctl argument type. 407 * 408 * \sa drmCreateContext() and drmDestroyContext(). 409 */ 410 struct drm_ctx { 411 drm_context_t handle; 412 enum drm_ctx_flags flags; 413 }; 414 415 /** 416 * DRM_IOCTL_RES_CTX ioctl argument type. 417 */ 418 struct drm_ctx_res { 419 int count; 420 struct drm_ctx __user *contexts; 421 }; 422 423 /** 424 * DRM_IOCTL_ADD_DRAW and DRM_IOCTL_RM_DRAW ioctl argument type. 425 */ 426 struct drm_draw { 427 drm_drawable_t handle; 428 }; 429 430 /** 431 * DRM_IOCTL_UPDATE_DRAW ioctl argument type. 432 */ 433 typedef enum { 434 DRM_DRAWABLE_CLIPRECTS, 435 } drm_drawable_info_type_t; 436 437 struct drm_update_draw { 438 drm_drawable_t handle; 439 unsigned int type; 440 unsigned int num; 441 unsigned long long data; 442 }; 443 444 /** 445 * DRM_IOCTL_GET_MAGIC and DRM_IOCTL_AUTH_MAGIC ioctl argument type. 446 */ 447 struct drm_auth { 448 drm_magic_t magic; 449 }; 450 451 /** 452 * DRM_IOCTL_IRQ_BUSID ioctl argument type. 453 * 454 * \sa drmGetInterruptFromBusID(). 455 */ 456 struct drm_irq_busid { 457 int irq; /**< IRQ number */ 458 int busnum; /**< bus number */ 459 int devnum; /**< device number */ 460 int funcnum; /**< function number */ 461 }; 462 463 enum drm_vblank_seq_type { 464 _DRM_VBLANK_ABSOLUTE = 0x0, /**< Wait for specific vblank sequence number */ 465 _DRM_VBLANK_RELATIVE = 0x1, /**< Wait for given number of vblanks */ 466 /* bits 1-6 are reserved for high crtcs */ 467 _DRM_VBLANK_HIGH_CRTC_MASK = 0x0000003e, 468 _DRM_VBLANK_EVENT = 0x4000000, /**< Send event instead of blocking */ 469 _DRM_VBLANK_FLIP = 0x8000000, /**< Scheduled buffer swap should flip */ 470 _DRM_VBLANK_NEXTONMISS = 0x10000000, /**< If missed, wait for next vblank */ 471 _DRM_VBLANK_SECONDARY = 0x20000000, /**< Secondary display controller */ 472 _DRM_VBLANK_SIGNAL = 0x40000000 /**< Send signal instead of blocking, unsupported */ 473 }; 474 #define _DRM_VBLANK_HIGH_CRTC_SHIFT 1 475 476 #define _DRM_VBLANK_TYPES_MASK (_DRM_VBLANK_ABSOLUTE | _DRM_VBLANK_RELATIVE) 477 #define _DRM_VBLANK_FLAGS_MASK (_DRM_VBLANK_EVENT | _DRM_VBLANK_SIGNAL | \ 478 _DRM_VBLANK_SECONDARY | _DRM_VBLANK_NEXTONMISS) 479 480 struct drm_wait_vblank_request { 481 enum drm_vblank_seq_type type; 482 unsigned int sequence; 483 unsigned long signal; 484 }; 485 486 struct drm_wait_vblank_reply { 487 enum drm_vblank_seq_type type; 488 unsigned int sequence; 489 long tval_sec; 490 long tval_usec; 491 }; 492 493 /** 494 * DRM_IOCTL_WAIT_VBLANK ioctl argument type. 495 * 496 * \sa drmWaitVBlank(). 497 */ 498 union drm_wait_vblank { 499 struct drm_wait_vblank_request request; 500 struct drm_wait_vblank_reply reply; 501 }; 502 503 #define _DRM_PRE_MODESET 1 504 #define _DRM_POST_MODESET 2 505 506 /** 507 * DRM_IOCTL_MODESET_CTL ioctl argument type 508 * 509 * \sa drmModesetCtl(). 510 */ 511 struct drm_modeset_ctl { 512 __u32 crtc; 513 __u32 cmd; 514 }; 515 516 /** 517 * DRM_IOCTL_AGP_ENABLE ioctl argument type. 518 * 519 * \sa drmAgpEnable(). 520 */ 521 struct drm_agp_mode { 522 unsigned long mode; /**< AGP mode */ 523 }; 524 525 /** 526 * DRM_IOCTL_AGP_ALLOC and DRM_IOCTL_AGP_FREE ioctls argument type. 527 * 528 * \sa drmAgpAlloc() and drmAgpFree(). 529 */ 530 struct drm_agp_buffer { 531 unsigned long size; /**< In bytes -- will round to page boundary */ 532 unsigned long handle; /**< Used for binding / unbinding */ 533 unsigned long type; /**< Type of memory to allocate */ 534 unsigned long physical; /**< Physical used by i810 */ 535 }; 536 537 /** 538 * DRM_IOCTL_AGP_BIND and DRM_IOCTL_AGP_UNBIND ioctls argument type. 539 * 540 * \sa drmAgpBind() and drmAgpUnbind(). 541 */ 542 struct drm_agp_binding { 543 unsigned long handle; /**< From drm_agp_buffer */ 544 unsigned long offset; /**< In bytes -- will round to page boundary */ 545 }; 546 547 /** 548 * DRM_IOCTL_AGP_INFO ioctl argument type. 549 * 550 * \sa drmAgpVersionMajor(), drmAgpVersionMinor(), drmAgpGetMode(), 551 * drmAgpBase(), drmAgpSize(), drmAgpMemoryUsed(), drmAgpMemoryAvail(), 552 * drmAgpVendorId() and drmAgpDeviceId(). 553 */ 554 struct drm_agp_info { 555 int agp_version_major; 556 int agp_version_minor; 557 unsigned long mode; 558 unsigned long aperture_base; /* physical address */ 559 unsigned long aperture_size; /* bytes */ 560 unsigned long memory_allowed; /* bytes */ 561 unsigned long memory_used; 562 563 /* PCI information */ 564 unsigned short id_vendor; 565 unsigned short id_device; 566 }; 567 568 /** 569 * DRM_IOCTL_SG_ALLOC ioctl argument type. 570 */ 571 struct drm_scatter_gather { 572 unsigned long size; /**< In bytes -- will round to page boundary */ 573 unsigned long handle; /**< Used for mapping / unmapping */ 574 }; 575 576 /** 577 * DRM_IOCTL_SET_VERSION ioctl argument type. 578 */ 579 struct drm_set_version { 580 int drm_di_major; 581 int drm_di_minor; 582 int drm_dd_major; 583 int drm_dd_minor; 584 }; 585 586 /** DRM_IOCTL_GEM_CLOSE ioctl argument type */ 587 struct drm_gem_close { 588 /** Handle of the object to be closed. */ 589 __u32 handle; 590 __u32 pad; 591 }; 592 593 /** DRM_IOCTL_GEM_FLINK ioctl argument type */ 594 struct drm_gem_flink { 595 /** Handle for the object being named */ 596 __u32 handle; 597 598 /** Returned global name */ 599 __u32 name; 600 }; 601 602 /** DRM_IOCTL_GEM_OPEN ioctl argument type */ 603 struct drm_gem_open { 604 /** Name of object being opened */ 605 __u32 name; 606 607 /** Returned handle for the object */ 608 __u32 handle; 609 610 /** Returned size of the object */ 611 __u64 size; 612 }; 613 614 #define DRM_CAP_DUMB_BUFFER 0x1 615 #define DRM_CAP_VBLANK_HIGH_CRTC 0x2 616 #define DRM_CAP_DUMB_PREFERRED_DEPTH 0x3 617 #define DRM_CAP_DUMB_PREFER_SHADOW 0x4 618 #define DRM_CAP_PRIME 0x5 619 #define DRM_PRIME_CAP_IMPORT 0x1 620 #define DRM_PRIME_CAP_EXPORT 0x2 621 #define DRM_CAP_TIMESTAMP_MONOTONIC 0x6 622 #define DRM_CAP_ASYNC_PAGE_FLIP 0x7 623 /* 624 * The CURSOR_WIDTH and CURSOR_HEIGHT capabilities return a valid widthxheight 625 * combination for the hardware cursor. The intention is that a hardware 626 * agnostic userspace can query a cursor plane size to use. 627 * 628 * Note that the cross-driver contract is to merely return a valid size; 629 * drivers are free to attach another meaning on top, eg. i915 returns the 630 * maximum plane size. 631 */ 632 #define DRM_CAP_CURSOR_WIDTH 0x8 633 #define DRM_CAP_CURSOR_HEIGHT 0x9 634 #define DRM_CAP_ADDFB2_MODIFIERS 0x10 635 636 /** DRM_IOCTL_GET_CAP ioctl argument type */ 637 struct drm_get_cap { 638 __u64 capability; 639 __u64 value; 640 }; 641 642 /** 643 * DRM_CLIENT_CAP_STEREO_3D 644 * 645 * if set to 1, the DRM core will expose the stereo 3D capabilities of the 646 * monitor by advertising the supported 3D layouts in the flags of struct 647 * drm_mode_modeinfo. 648 */ 649 #define DRM_CLIENT_CAP_STEREO_3D 1 650 651 /** 652 * DRM_CLIENT_CAP_UNIVERSAL_PLANES 653 * 654 * If set to 1, the DRM core will expose all planes (overlay, primary, and 655 * cursor) to userspace. 656 */ 657 #define DRM_CLIENT_CAP_UNIVERSAL_PLANES 2 658 659 /** 660 * DRM_CLIENT_CAP_ATOMIC 661 * 662 * If set to 1, the DRM core will expose atomic properties to userspace 663 */ 664 #define DRM_CLIENT_CAP_ATOMIC 3 665 666 /** DRM_IOCTL_SET_CLIENT_CAP ioctl argument type */ 667 struct drm_set_client_cap { 668 __u64 capability; 669 __u64 value; 670 }; 671 672 #define DRM_RDWR O_RDWR 673 #define DRM_CLOEXEC O_CLOEXEC 674 struct drm_prime_handle { 675 __u32 handle; 676 677 /** Flags.. only applicable for handle->fd */ 678 __u32 flags; 679 680 /** Returned dmabuf file descriptor */ 681 __s32 fd; 682 }; 683 684 #include "drm_mode.h" 685 686 #define DRM_IOCTL_BASE 'd' 687 #define DRM_IO(nr) _IO(DRM_IOCTL_BASE,nr) 688 #define DRM_IOR(nr,type) _IOR(DRM_IOCTL_BASE,nr,type) 689 #define DRM_IOW(nr,type) _IOW(DRM_IOCTL_BASE,nr,type) 690 #define DRM_IOWR(nr,type) _IOWR(DRM_IOCTL_BASE,nr,type) 691 692 #define DRM_IOCTL_VERSION DRM_IOWR(0x00, struct drm_version) 693 #define DRM_IOCTL_GET_UNIQUE DRM_IOWR(0x01, struct drm_unique) 694 #define DRM_IOCTL_GET_MAGIC DRM_IOR( 0x02, struct drm_auth) 695 #define DRM_IOCTL_IRQ_BUSID DRM_IOWR(0x03, struct drm_irq_busid) 696 #define DRM_IOCTL_GET_MAP DRM_IOWR(0x04, struct drm_map) 697 #define DRM_IOCTL_GET_CLIENT DRM_IOWR(0x05, struct drm_client) 698 #define DRM_IOCTL_GET_STATS DRM_IOR( 0x06, struct drm_stats) 699 #define DRM_IOCTL_SET_VERSION DRM_IOWR(0x07, struct drm_set_version) 700 #define DRM_IOCTL_MODESET_CTL DRM_IOW(0x08, struct drm_modeset_ctl) 701 #define DRM_IOCTL_GEM_CLOSE DRM_IOW (0x09, struct drm_gem_close) 702 #define DRM_IOCTL_GEM_FLINK DRM_IOWR(0x0a, struct drm_gem_flink) 703 #define DRM_IOCTL_GEM_OPEN DRM_IOWR(0x0b, struct drm_gem_open) 704 #define DRM_IOCTL_GET_CAP DRM_IOWR(0x0c, struct drm_get_cap) 705 #define DRM_IOCTL_SET_CLIENT_CAP DRM_IOW( 0x0d, struct drm_set_client_cap) 706 707 #define DRM_IOCTL_SET_UNIQUE DRM_IOW( 0x10, struct drm_unique) 708 #define DRM_IOCTL_AUTH_MAGIC DRM_IOW( 0x11, struct drm_auth) 709 #define DRM_IOCTL_BLOCK DRM_IOWR(0x12, struct drm_block) 710 #define DRM_IOCTL_UNBLOCK DRM_IOWR(0x13, struct drm_block) 711 #define DRM_IOCTL_CONTROL DRM_IOW( 0x14, struct drm_control) 712 #define DRM_IOCTL_ADD_MAP DRM_IOWR(0x15, struct drm_map) 713 #define DRM_IOCTL_ADD_BUFS DRM_IOWR(0x16, struct drm_buf_desc) 714 #define DRM_IOCTL_MARK_BUFS DRM_IOW( 0x17, struct drm_buf_desc) 715 #define DRM_IOCTL_INFO_BUFS DRM_IOWR(0x18, struct drm_buf_info) 716 #define DRM_IOCTL_MAP_BUFS DRM_IOWR(0x19, struct drm_buf_map) 717 #define DRM_IOCTL_FREE_BUFS DRM_IOW( 0x1a, struct drm_buf_free) 718 719 #define DRM_IOCTL_RM_MAP DRM_IOW( 0x1b, struct drm_map) 720 721 #define DRM_IOCTL_SET_SAREA_CTX DRM_IOW( 0x1c, struct drm_ctx_priv_map) 722 #define DRM_IOCTL_GET_SAREA_CTX DRM_IOWR(0x1d, struct drm_ctx_priv_map) 723 724 #define DRM_IOCTL_SET_MASTER DRM_IO(0x1e) 725 #define DRM_IOCTL_DROP_MASTER DRM_IO(0x1f) 726 727 #define DRM_IOCTL_ADD_CTX DRM_IOWR(0x20, struct drm_ctx) 728 #define DRM_IOCTL_RM_CTX DRM_IOWR(0x21, struct drm_ctx) 729 #define DRM_IOCTL_MOD_CTX DRM_IOW( 0x22, struct drm_ctx) 730 #define DRM_IOCTL_GET_CTX DRM_IOWR(0x23, struct drm_ctx) 731 #define DRM_IOCTL_SWITCH_CTX DRM_IOW( 0x24, struct drm_ctx) 732 #define DRM_IOCTL_NEW_CTX DRM_IOW( 0x25, struct drm_ctx) 733 #define DRM_IOCTL_RES_CTX DRM_IOWR(0x26, struct drm_ctx_res) 734 #define DRM_IOCTL_ADD_DRAW DRM_IOWR(0x27, struct drm_draw) 735 #define DRM_IOCTL_RM_DRAW DRM_IOWR(0x28, struct drm_draw) 736 #define DRM_IOCTL_DMA DRM_IOWR(0x29, struct drm_dma) 737 #define DRM_IOCTL_LOCK DRM_IOW( 0x2a, struct drm_lock) 738 #define DRM_IOCTL_UNLOCK DRM_IOW( 0x2b, struct drm_lock) 739 #define DRM_IOCTL_FINISH DRM_IOW( 0x2c, struct drm_lock) 740 741 #define DRM_IOCTL_PRIME_HANDLE_TO_FD DRM_IOWR(0x2d, struct drm_prime_handle) 742 #define DRM_IOCTL_PRIME_FD_TO_HANDLE DRM_IOWR(0x2e, struct drm_prime_handle) 743 744 #define DRM_IOCTL_AGP_ACQUIRE DRM_IO( 0x30) 745 #define DRM_IOCTL_AGP_RELEASE DRM_IO( 0x31) 746 #define DRM_IOCTL_AGP_ENABLE DRM_IOW( 0x32, struct drm_agp_mode) 747 #define DRM_IOCTL_AGP_INFO DRM_IOR( 0x33, struct drm_agp_info) 748 #define DRM_IOCTL_AGP_ALLOC DRM_IOWR(0x34, struct drm_agp_buffer) 749 #define DRM_IOCTL_AGP_FREE DRM_IOW( 0x35, struct drm_agp_buffer) 750 #define DRM_IOCTL_AGP_BIND DRM_IOW( 0x36, struct drm_agp_binding) 751 #define DRM_IOCTL_AGP_UNBIND DRM_IOW( 0x37, struct drm_agp_binding) 752 753 #define DRM_IOCTL_SG_ALLOC DRM_IOWR(0x38, struct drm_scatter_gather) 754 #define DRM_IOCTL_SG_FREE DRM_IOW( 0x39, struct drm_scatter_gather) 755 756 #define DRM_IOCTL_WAIT_VBLANK DRM_IOWR(0x3a, union drm_wait_vblank) 757 758 #define DRM_IOCTL_UPDATE_DRAW DRM_IOW(0x3f, struct drm_update_draw) 759 760 #define DRM_IOCTL_MODE_GETRESOURCES DRM_IOWR(0xA0, struct drm_mode_card_res) 761 #define DRM_IOCTL_MODE_GETCRTC DRM_IOWR(0xA1, struct drm_mode_crtc) 762 #define DRM_IOCTL_MODE_SETCRTC DRM_IOWR(0xA2, struct drm_mode_crtc) 763 #define DRM_IOCTL_MODE_CURSOR DRM_IOWR(0xA3, struct drm_mode_cursor) 764 #define DRM_IOCTL_MODE_GETGAMMA DRM_IOWR(0xA4, struct drm_mode_crtc_lut) 765 #define DRM_IOCTL_MODE_SETGAMMA DRM_IOWR(0xA5, struct drm_mode_crtc_lut) 766 #define DRM_IOCTL_MODE_GETENCODER DRM_IOWR(0xA6, struct drm_mode_get_encoder) 767 #define DRM_IOCTL_MODE_GETCONNECTOR DRM_IOWR(0xA7, struct drm_mode_get_connector) 768 #define DRM_IOCTL_MODE_ATTACHMODE DRM_IOWR(0xA8, struct drm_mode_mode_cmd) /* deprecated (never worked) */ 769 #define DRM_IOCTL_MODE_DETACHMODE DRM_IOWR(0xA9, struct drm_mode_mode_cmd) /* deprecated (never worked) */ 770 771 #define DRM_IOCTL_MODE_GETPROPERTY DRM_IOWR(0xAA, struct drm_mode_get_property) 772 #define DRM_IOCTL_MODE_SETPROPERTY DRM_IOWR(0xAB, struct drm_mode_connector_set_property) 773 #define DRM_IOCTL_MODE_GETPROPBLOB DRM_IOWR(0xAC, struct drm_mode_get_blob) 774 #define DRM_IOCTL_MODE_GETFB DRM_IOWR(0xAD, struct drm_mode_fb_cmd) 775 #define DRM_IOCTL_MODE_ADDFB DRM_IOWR(0xAE, struct drm_mode_fb_cmd) 776 #define DRM_IOCTL_MODE_RMFB DRM_IOWR(0xAF, unsigned int) 777 #define DRM_IOCTL_MODE_PAGE_FLIP DRM_IOWR(0xB0, struct drm_mode_crtc_page_flip) 778 #define DRM_IOCTL_MODE_DIRTYFB DRM_IOWR(0xB1, struct drm_mode_fb_dirty_cmd) 779 780 #define DRM_IOCTL_MODE_CREATE_DUMB DRM_IOWR(0xB2, struct drm_mode_create_dumb) 781 #define DRM_IOCTL_MODE_MAP_DUMB DRM_IOWR(0xB3, struct drm_mode_map_dumb) 782 #define DRM_IOCTL_MODE_DESTROY_DUMB DRM_IOWR(0xB4, struct drm_mode_destroy_dumb) 783 #define DRM_IOCTL_MODE_GETPLANERESOURCES DRM_IOWR(0xB5, struct drm_mode_get_plane_res) 784 #define DRM_IOCTL_MODE_GETPLANE DRM_IOWR(0xB6, struct drm_mode_get_plane) 785 #define DRM_IOCTL_MODE_SETPLANE DRM_IOWR(0xB7, struct drm_mode_set_plane) 786 #define DRM_IOCTL_MODE_ADDFB2 DRM_IOWR(0xB8, struct drm_mode_fb_cmd2) 787 #define DRM_IOCTL_MODE_OBJ_GETPROPERTIES DRM_IOWR(0xB9, struct drm_mode_obj_get_properties) 788 #define DRM_IOCTL_MODE_OBJ_SETPROPERTY DRM_IOWR(0xBA, struct drm_mode_obj_set_property) 789 #define DRM_IOCTL_MODE_CURSOR2 DRM_IOWR(0xBB, struct drm_mode_cursor2) 790 #define DRM_IOCTL_MODE_ATOMIC DRM_IOWR(0xBC, struct drm_mode_atomic) 791 #define DRM_IOCTL_MODE_CREATEPROPBLOB DRM_IOWR(0xBD, struct drm_mode_create_blob) 792 #define DRM_IOCTL_MODE_DESTROYPROPBLOB DRM_IOWR(0xBE, struct drm_mode_destroy_blob) 793 794 /** 795 * Device specific ioctls should only be in their respective headers 796 * The device specific ioctl range is from 0x40 to 0x9f. 797 * Generic IOCTLS restart at 0xA0. 798 * 799 * \sa drmCommandNone(), drmCommandRead(), drmCommandWrite(), and 800 * drmCommandReadWrite(). 801 */ 802 #define DRM_COMMAND_BASE 0x40 803 #define DRM_COMMAND_END 0xA0 804 805 /** 806 * Header for events written back to userspace on the drm fd. The 807 * type defines the type of event, the length specifies the total 808 * length of the event (including the header), and user_data is 809 * typically a 64 bit value passed with the ioctl that triggered the 810 * event. A read on the drm fd will always only return complete 811 * events, that is, if for example the read buffer is 100 bytes, and 812 * there are two 64 byte events pending, only one will be returned. 813 * 814 * Event types 0 - 0x7fffffff are generic drm events, 0x80000000 and 815 * up are chipset specific. 816 */ 817 struct drm_event { 818 __u32 type; 819 __u32 length; 820 }; 821 822 #define DRM_EVENT_VBLANK 0x01 823 #define DRM_EVENT_FLIP_COMPLETE 0x02 824 825 struct drm_event_vblank { 826 struct drm_event base; 827 __u64 user_data; 828 __u32 tv_sec; 829 __u32 tv_usec; 830 __u32 sequence; 831 __u32 reserved; 832 }; 833 834 /* typedef area */ 835 #ifndef __KERNEL__ 836 typedef struct drm_clip_rect drm_clip_rect_t; 837 typedef struct drm_drawable_info drm_drawable_info_t; 838 typedef struct drm_tex_region drm_tex_region_t; 839 typedef struct drm_hw_lock drm_hw_lock_t; 840 typedef struct drm_version drm_version_t; 841 typedef struct drm_unique drm_unique_t; 842 typedef struct drm_list drm_list_t; 843 typedef struct drm_block drm_block_t; 844 typedef struct drm_control drm_control_t; 845 typedef enum drm_map_type drm_map_type_t; 846 typedef enum drm_map_flags drm_map_flags_t; 847 typedef struct drm_ctx_priv_map drm_ctx_priv_map_t; 848 typedef struct drm_map drm_map_t; 849 typedef struct drm_client drm_client_t; 850 typedef enum drm_stat_type drm_stat_type_t; 851 typedef struct drm_stats drm_stats_t; 852 typedef enum drm_lock_flags drm_lock_flags_t; 853 typedef struct drm_lock drm_lock_t; 854 typedef enum drm_dma_flags drm_dma_flags_t; 855 typedef struct drm_buf_desc drm_buf_desc_t; 856 typedef struct drm_buf_info drm_buf_info_t; 857 typedef struct drm_buf_free drm_buf_free_t; 858 typedef struct drm_buf_pub drm_buf_pub_t; 859 typedef struct drm_buf_map drm_buf_map_t; 860 typedef struct drm_dma drm_dma_t; 861 typedef union drm_wait_vblank drm_wait_vblank_t; 862 typedef struct drm_agp_mode drm_agp_mode_t; 863 typedef enum drm_ctx_flags drm_ctx_flags_t; 864 typedef struct drm_ctx drm_ctx_t; 865 typedef struct drm_ctx_res drm_ctx_res_t; 866 typedef struct drm_draw drm_draw_t; 867 typedef struct drm_update_draw drm_update_draw_t; 868 typedef struct drm_auth drm_auth_t; 869 typedef struct drm_irq_busid drm_irq_busid_t; 870 typedef enum drm_vblank_seq_type drm_vblank_seq_type_t; 871 872 typedef struct drm_agp_buffer drm_agp_buffer_t; 873 typedef struct drm_agp_binding drm_agp_binding_t; 874 typedef struct drm_agp_info drm_agp_info_t; 875 typedef struct drm_scatter_gather drm_scatter_gather_t; 876 typedef struct drm_set_version drm_set_version_t; 877 #endif 878 879 #endif 880