1 /* 2 * Header for the Direct Rendering Manager 3 * 4 * Author: Rickard E. (Rik) Faith <faith@valinux.com> 5 * 6 * Acknowledgments: 7 * Dec 1999, Richard Henderson <rth@twiddle.net>, move to generic cmpxchg. 8 */ 9 10 /* 11 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. 12 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. 13 * All rights reserved. 14 * 15 * Permission is hereby granted, free of charge, to any person obtaining a 16 * copy of this software and associated documentation files (the "Software"), 17 * to deal in the Software without restriction, including without limitation 18 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 19 * and/or sell copies of the Software, and to permit persons to whom the 20 * Software is furnished to do so, subject to the following conditions: 21 * 22 * The above copyright notice and this permission notice (including the next 23 * paragraph) shall be included in all copies or substantial portions of the 24 * Software. 25 * 26 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 27 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 28 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 29 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 30 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 31 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 32 * OTHER DEALINGS IN THE SOFTWARE. 33 */ 34 35 #ifndef _DRM_H_ 36 #define _DRM_H_ 37 38 #if defined(__KERNEL__) 39 40 #include <linux/types.h> 41 #include <asm/ioctl.h> 42 typedef unsigned int drm_handle_t; 43 44 #elif defined(__linux__) 45 46 #include <linux/types.h> 47 #include <asm/ioctl.h> 48 typedef unsigned int drm_handle_t; 49 50 #else /* One of the BSDs */ 51 52 #include <stdint.h> 53 #include <sys/ioccom.h> 54 #include <sys/types.h> 55 typedef int8_t __s8; 56 typedef uint8_t __u8; 57 typedef int16_t __s16; 58 typedef uint16_t __u16; 59 typedef int32_t __s32; 60 typedef uint32_t __u32; 61 typedef int64_t __s64; 62 typedef uint64_t __u64; 63 typedef size_t __kernel_size_t; 64 typedef unsigned long drm_handle_t; 65 66 #endif 67 68 #if defined(__cplusplus) 69 extern "C" { 70 #endif 71 72 #define DRM_NAME "drm" /**< Name in kernel, /dev, and /proc */ 73 #define DRM_MIN_ORDER 5 /**< At least 2^5 bytes = 32 bytes */ 74 #define DRM_MAX_ORDER 22 /**< Up to 2^22 bytes = 4MB */ 75 #define DRM_RAM_PERCENT 10 /**< How much system ram can we lock? */ 76 77 #define _DRM_LOCK_HELD 0x80000000U /**< Hardware lock is held */ 78 #define _DRM_LOCK_CONT 0x40000000U /**< Hardware lock is contended */ 79 #define _DRM_LOCK_IS_HELD(lock) ((lock) & _DRM_LOCK_HELD) 80 #define _DRM_LOCK_IS_CONT(lock) ((lock) & _DRM_LOCK_CONT) 81 #define _DRM_LOCKING_CONTEXT(lock) ((lock) & ~(_DRM_LOCK_HELD|_DRM_LOCK_CONT)) 82 83 typedef unsigned int drm_context_t; 84 typedef unsigned int drm_drawable_t; 85 typedef unsigned int drm_magic_t; 86 87 /* 88 * Cliprect. 89 * 90 * \warning: If you change this structure, make sure you change 91 * XF86DRIClipRectRec in the server as well 92 * 93 * \note KW: Actually it's illegal to change either for 94 * backwards-compatibility reasons. 95 */ 96 struct drm_clip_rect { 97 unsigned short x1; 98 unsigned short y1; 99 unsigned short x2; 100 unsigned short y2; 101 }; 102 103 /* 104 * Drawable information. 105 */ 106 struct drm_drawable_info { 107 unsigned int num_rects; 108 struct drm_clip_rect *rects; 109 }; 110 111 /* 112 * Texture region, 113 */ 114 struct drm_tex_region { 115 unsigned char next; 116 unsigned char prev; 117 unsigned char in_use; 118 unsigned char padding; 119 unsigned int age; 120 }; 121 122 /* 123 * Hardware lock. 124 * 125 * The lock structure is a simple cache-line aligned integer. To avoid 126 * processor bus contention on a multiprocessor system, there should not be any 127 * other data stored in the same cache line. 128 */ 129 struct drm_hw_lock { 130 __volatile__ unsigned int lock; /**< lock variable */ 131 char padding[60]; /**< Pad to cache line */ 132 }; 133 134 /* 135 * DRM_IOCTL_VERSION ioctl argument type. 136 * 137 * \sa drmGetVersion(). 138 */ 139 struct drm_version { 140 int version_major; /**< Major version */ 141 int version_minor; /**< Minor version */ 142 int version_patchlevel; /**< Patch level */ 143 __kernel_size_t name_len; /**< Length of name buffer */ 144 char __user *name; /**< Name of driver */ 145 __kernel_size_t date_len; /**< Length of date buffer */ 146 char __user *date; /**< User-space buffer to hold date */ 147 __kernel_size_t desc_len; /**< Length of desc buffer */ 148 char __user *desc; /**< User-space buffer to hold desc */ 149 }; 150 151 /* 152 * DRM_IOCTL_GET_UNIQUE ioctl argument type. 153 * 154 * \sa drmGetBusid() and drmSetBusId(). 155 */ 156 struct drm_unique { 157 __kernel_size_t unique_len; /**< Length of unique */ 158 char __user *unique; /**< Unique name for driver instantiation */ 159 }; 160 161 struct drm_list { 162 int count; /**< Length of user-space structures */ 163 struct drm_version __user *version; 164 }; 165 166 struct drm_block { 167 int unused; 168 }; 169 170 /* 171 * DRM_IOCTL_CONTROL ioctl argument type. 172 * 173 * \sa drmCtlInstHandler() and drmCtlUninstHandler(). 174 */ 175 struct drm_control { 176 enum { 177 DRM_ADD_COMMAND, 178 DRM_RM_COMMAND, 179 DRM_INST_HANDLER, 180 DRM_UNINST_HANDLER 181 } func; 182 int irq; 183 }; 184 185 /* 186 * Type of memory to map. 187 */ 188 enum drm_map_type { 189 _DRM_FRAME_BUFFER = 0, /**< WC (no caching), no core dump */ 190 _DRM_REGISTERS = 1, /**< no caching, no core dump */ 191 _DRM_SHM = 2, /**< shared, cached */ 192 _DRM_AGP = 3, /**< AGP/GART */ 193 _DRM_SCATTER_GATHER = 4, /**< Scatter/gather memory for PCI DMA */ 194 _DRM_CONSISTENT = 5 /**< Consistent memory for PCI DMA */ 195 }; 196 197 /* 198 * Memory mapping flags. 199 */ 200 enum drm_map_flags { 201 _DRM_RESTRICTED = 0x01, /**< Cannot be mapped to user-virtual */ 202 _DRM_READ_ONLY = 0x02, 203 _DRM_LOCKED = 0x04, /**< shared, cached, locked */ 204 _DRM_KERNEL = 0x08, /**< kernel requires access */ 205 _DRM_WRITE_COMBINING = 0x10, /**< use write-combining if available */ 206 _DRM_CONTAINS_LOCK = 0x20, /**< SHM page that contains lock */ 207 _DRM_REMOVABLE = 0x40, /**< Removable mapping */ 208 _DRM_DRIVER = 0x80 /**< Managed by driver */ 209 }; 210 211 struct drm_ctx_priv_map { 212 unsigned int ctx_id; /**< Context requesting private mapping */ 213 void *handle; /**< Handle of map */ 214 }; 215 216 /* 217 * DRM_IOCTL_GET_MAP, DRM_IOCTL_ADD_MAP and DRM_IOCTL_RM_MAP ioctls 218 * argument type. 219 * 220 * \sa drmAddMap(). 221 */ 222 struct drm_map { 223 unsigned long offset; /**< Requested physical address (0 for SAREA)*/ 224 unsigned long size; /**< Requested physical size (bytes) */ 225 enum drm_map_type type; /**< Type of memory to map */ 226 enum drm_map_flags flags; /**< Flags */ 227 void *handle; /**< User-space: "Handle" to pass to mmap() */ 228 /**< Kernel-space: kernel-virtual address */ 229 int mtrr; /**< MTRR slot used */ 230 /* Private data */ 231 }; 232 233 /* 234 * DRM_IOCTL_GET_CLIENT ioctl argument type. 235 */ 236 struct drm_client { 237 int idx; /**< Which client desired? */ 238 int auth; /**< Is client authenticated? */ 239 unsigned long pid; /**< Process ID */ 240 unsigned long uid; /**< User ID */ 241 unsigned long magic; /**< Magic */ 242 unsigned long iocs; /**< Ioctl count */ 243 }; 244 245 enum drm_stat_type { 246 _DRM_STAT_LOCK, 247 _DRM_STAT_OPENS, 248 _DRM_STAT_CLOSES, 249 _DRM_STAT_IOCTLS, 250 _DRM_STAT_LOCKS, 251 _DRM_STAT_UNLOCKS, 252 _DRM_STAT_VALUE, /**< Generic value */ 253 _DRM_STAT_BYTE, /**< Generic byte counter (1024bytes/K) */ 254 _DRM_STAT_COUNT, /**< Generic non-byte counter (1000/k) */ 255 256 _DRM_STAT_IRQ, /**< IRQ */ 257 _DRM_STAT_PRIMARY, /**< Primary DMA bytes */ 258 _DRM_STAT_SECONDARY, /**< Secondary DMA bytes */ 259 _DRM_STAT_DMA, /**< DMA */ 260 _DRM_STAT_SPECIAL, /**< Special DMA (e.g., priority or polled) */ 261 _DRM_STAT_MISSED /**< Missed DMA opportunity */ 262 /* Add to the *END* of the list */ 263 }; 264 265 /* 266 * DRM_IOCTL_GET_STATS ioctl argument type. 267 */ 268 struct drm_stats { 269 unsigned long count; 270 struct { 271 unsigned long value; 272 enum drm_stat_type type; 273 } data[15]; 274 }; 275 276 /* 277 * Hardware locking flags. 278 */ 279 enum drm_lock_flags { 280 _DRM_LOCK_READY = 0x01, /**< Wait until hardware is ready for DMA */ 281 _DRM_LOCK_QUIESCENT = 0x02, /**< Wait until hardware quiescent */ 282 _DRM_LOCK_FLUSH = 0x04, /**< Flush this context's DMA queue first */ 283 _DRM_LOCK_FLUSH_ALL = 0x08, /**< Flush all DMA queues first */ 284 /* These *HALT* flags aren't supported yet 285 -- they will be used to support the 286 full-screen DGA-like mode. */ 287 _DRM_HALT_ALL_QUEUES = 0x10, /**< Halt all current and future queues */ 288 _DRM_HALT_CUR_QUEUES = 0x20 /**< Halt all current queues */ 289 }; 290 291 /* 292 * DRM_IOCTL_LOCK, DRM_IOCTL_UNLOCK and DRM_IOCTL_FINISH ioctl argument type. 293 * 294 * \sa drmGetLock() and drmUnlock(). 295 */ 296 struct drm_lock { 297 int context; 298 enum drm_lock_flags flags; 299 }; 300 301 /* 302 * DMA flags 303 * 304 * \warning 305 * These values \e must match xf86drm.h. 306 * 307 * \sa drm_dma. 308 */ 309 enum drm_dma_flags { 310 /* Flags for DMA buffer dispatch */ 311 _DRM_DMA_BLOCK = 0x01, /**< 312 * Block until buffer dispatched. 313 * 314 * \note The buffer may not yet have 315 * been processed by the hardware -- 316 * getting a hardware lock with the 317 * hardware quiescent will ensure 318 * that the buffer has been 319 * processed. 320 */ 321 _DRM_DMA_WHILE_LOCKED = 0x02, /**< Dispatch while lock held */ 322 _DRM_DMA_PRIORITY = 0x04, /**< High priority dispatch */ 323 324 /* Flags for DMA buffer request */ 325 _DRM_DMA_WAIT = 0x10, /**< Wait for free buffers */ 326 _DRM_DMA_SMALLER_OK = 0x20, /**< Smaller-than-requested buffers OK */ 327 _DRM_DMA_LARGER_OK = 0x40 /**< Larger-than-requested buffers OK */ 328 }; 329 330 /* 331 * DRM_IOCTL_ADD_BUFS and DRM_IOCTL_MARK_BUFS ioctl argument type. 332 * 333 * \sa drmAddBufs(). 334 */ 335 struct drm_buf_desc { 336 int count; /**< Number of buffers of this size */ 337 int size; /**< Size in bytes */ 338 int low_mark; /**< Low water mark */ 339 int high_mark; /**< High water mark */ 340 enum { 341 _DRM_PAGE_ALIGN = 0x01, /**< Align on page boundaries for DMA */ 342 _DRM_AGP_BUFFER = 0x02, /**< Buffer is in AGP space */ 343 _DRM_SG_BUFFER = 0x04, /**< Scatter/gather memory buffer */ 344 _DRM_FB_BUFFER = 0x08, /**< Buffer is in frame buffer */ 345 _DRM_PCI_BUFFER_RO = 0x10 /**< Map PCI DMA buffer read-only */ 346 } flags; 347 unsigned long agp_start; /**< 348 * Start address of where the AGP buffers are 349 * in the AGP aperture 350 */ 351 }; 352 353 /* 354 * DRM_IOCTL_INFO_BUFS ioctl argument type. 355 */ 356 struct drm_buf_info { 357 int count; /**< Entries in list */ 358 struct drm_buf_desc __user *list; 359 }; 360 361 /* 362 * DRM_IOCTL_FREE_BUFS ioctl argument type. 363 */ 364 struct drm_buf_free { 365 int count; 366 int __user *list; 367 }; 368 369 /* 370 * Buffer information 371 * 372 * \sa drm_buf_map. 373 */ 374 struct drm_buf_pub { 375 int idx; /**< Index into the master buffer list */ 376 int total; /**< Buffer size */ 377 int used; /**< Amount of buffer in use (for DMA) */ 378 void __user *address; /**< Address of buffer */ 379 }; 380 381 /* 382 * DRM_IOCTL_MAP_BUFS ioctl argument type. 383 */ 384 struct drm_buf_map { 385 int count; /**< Length of the buffer list */ 386 #ifdef __cplusplus 387 void __user *virt; 388 #else 389 void __user *virtual; /**< Mmap'd area in user-virtual */ 390 #endif 391 struct drm_buf_pub __user *list; /**< Buffer information */ 392 }; 393 394 /* 395 * DRM_IOCTL_DMA ioctl argument type. 396 * 397 * Indices here refer to the offset into the buffer list in drm_buf_get. 398 * 399 * \sa drmDMA(). 400 */ 401 struct drm_dma { 402 int context; /**< Context handle */ 403 int send_count; /**< Number of buffers to send */ 404 int __user *send_indices; /**< List of handles to buffers */ 405 int __user *send_sizes; /**< Lengths of data to send */ 406 enum drm_dma_flags flags; /**< Flags */ 407 int request_count; /**< Number of buffers requested */ 408 int request_size; /**< Desired size for buffers */ 409 int __user *request_indices; /**< Buffer information */ 410 int __user *request_sizes; 411 int granted_count; /**< Number of buffers granted */ 412 }; 413 414 enum drm_ctx_flags { 415 _DRM_CONTEXT_PRESERVED = 0x01, 416 _DRM_CONTEXT_2DONLY = 0x02 417 }; 418 419 /* 420 * DRM_IOCTL_ADD_CTX ioctl argument type. 421 * 422 * \sa drmCreateContext() and drmDestroyContext(). 423 */ 424 struct drm_ctx { 425 drm_context_t handle; 426 enum drm_ctx_flags flags; 427 }; 428 429 /* 430 * DRM_IOCTL_RES_CTX ioctl argument type. 431 */ 432 struct drm_ctx_res { 433 int count; 434 struct drm_ctx __user *contexts; 435 }; 436 437 /* 438 * DRM_IOCTL_ADD_DRAW and DRM_IOCTL_RM_DRAW ioctl argument type. 439 */ 440 struct drm_draw { 441 drm_drawable_t handle; 442 }; 443 444 /* 445 * DRM_IOCTL_UPDATE_DRAW ioctl argument type. 446 */ 447 typedef enum { 448 DRM_DRAWABLE_CLIPRECTS 449 } drm_drawable_info_type_t; 450 451 struct drm_update_draw { 452 drm_drawable_t handle; 453 unsigned int type; 454 unsigned int num; 455 unsigned long long data; 456 }; 457 458 /* 459 * DRM_IOCTL_GET_MAGIC and DRM_IOCTL_AUTH_MAGIC ioctl argument type. 460 */ 461 struct drm_auth { 462 drm_magic_t magic; 463 }; 464 465 /* 466 * DRM_IOCTL_IRQ_BUSID ioctl argument type. 467 * 468 * \sa drmGetInterruptFromBusID(). 469 */ 470 struct drm_irq_busid { 471 int irq; /**< IRQ number */ 472 int busnum; /**< bus number */ 473 int devnum; /**< device number */ 474 int funcnum; /**< function number */ 475 }; 476 477 enum drm_vblank_seq_type { 478 _DRM_VBLANK_ABSOLUTE = 0x0, /**< Wait for specific vblank sequence number */ 479 _DRM_VBLANK_RELATIVE = 0x1, /**< Wait for given number of vblanks */ 480 /* bits 1-6 are reserved for high crtcs */ 481 _DRM_VBLANK_HIGH_CRTC_MASK = 0x0000003e, 482 _DRM_VBLANK_EVENT = 0x4000000, /**< Send event instead of blocking */ 483 _DRM_VBLANK_FLIP = 0x8000000, /**< Scheduled buffer swap should flip */ 484 _DRM_VBLANK_NEXTONMISS = 0x10000000, /**< If missed, wait for next vblank */ 485 _DRM_VBLANK_SECONDARY = 0x20000000, /**< Secondary display controller */ 486 _DRM_VBLANK_SIGNAL = 0x40000000 /**< Send signal instead of blocking, unsupported */ 487 }; 488 #define _DRM_VBLANK_HIGH_CRTC_SHIFT 1 489 490 #define _DRM_VBLANK_TYPES_MASK (_DRM_VBLANK_ABSOLUTE | _DRM_VBLANK_RELATIVE) 491 #define _DRM_VBLANK_FLAGS_MASK (_DRM_VBLANK_EVENT | _DRM_VBLANK_SIGNAL | \ 492 _DRM_VBLANK_SECONDARY | _DRM_VBLANK_NEXTONMISS) 493 494 struct drm_wait_vblank_request { 495 enum drm_vblank_seq_type type; 496 unsigned int sequence; 497 unsigned long signal; 498 }; 499 500 struct drm_wait_vblank_reply { 501 enum drm_vblank_seq_type type; 502 unsigned int sequence; 503 long tval_sec; 504 long tval_usec; 505 }; 506 507 /* 508 * DRM_IOCTL_WAIT_VBLANK ioctl argument type. 509 * 510 * \sa drmWaitVBlank(). 511 */ 512 union drm_wait_vblank { 513 struct drm_wait_vblank_request request; 514 struct drm_wait_vblank_reply reply; 515 }; 516 517 #define _DRM_PRE_MODESET 1 518 #define _DRM_POST_MODESET 2 519 520 /* 521 * DRM_IOCTL_MODESET_CTL ioctl argument type 522 * 523 * \sa drmModesetCtl(). 524 */ 525 struct drm_modeset_ctl { 526 __u32 crtc; 527 __u32 cmd; 528 }; 529 530 /* 531 * DRM_IOCTL_AGP_ENABLE ioctl argument type. 532 * 533 * \sa drmAgpEnable(). 534 */ 535 struct drm_agp_mode { 536 unsigned long mode; /**< AGP mode */ 537 }; 538 539 /* 540 * DRM_IOCTL_AGP_ALLOC and DRM_IOCTL_AGP_FREE ioctls argument type. 541 * 542 * \sa drmAgpAlloc() and drmAgpFree(). 543 */ 544 struct drm_agp_buffer { 545 unsigned long size; /**< In bytes -- will round to page boundary */ 546 unsigned long handle; /**< Used for binding / unbinding */ 547 unsigned long type; /**< Type of memory to allocate */ 548 unsigned long physical; /**< Physical used by i810 */ 549 }; 550 551 /* 552 * DRM_IOCTL_AGP_BIND and DRM_IOCTL_AGP_UNBIND ioctls argument type. 553 * 554 * \sa drmAgpBind() and drmAgpUnbind(). 555 */ 556 struct drm_agp_binding { 557 unsigned long handle; /**< From drm_agp_buffer */ 558 unsigned long offset; /**< In bytes -- will round to page boundary */ 559 }; 560 561 /* 562 * DRM_IOCTL_AGP_INFO ioctl argument type. 563 * 564 * \sa drmAgpVersionMajor(), drmAgpVersionMinor(), drmAgpGetMode(), 565 * drmAgpBase(), drmAgpSize(), drmAgpMemoryUsed(), drmAgpMemoryAvail(), 566 * drmAgpVendorId() and drmAgpDeviceId(). 567 */ 568 struct drm_agp_info { 569 int agp_version_major; 570 int agp_version_minor; 571 unsigned long mode; 572 unsigned long aperture_base; /* physical address */ 573 unsigned long aperture_size; /* bytes */ 574 unsigned long memory_allowed; /* bytes */ 575 unsigned long memory_used; 576 577 /* PCI information */ 578 unsigned short id_vendor; 579 unsigned short id_device; 580 }; 581 582 /* 583 * DRM_IOCTL_SG_ALLOC ioctl argument type. 584 */ 585 struct drm_scatter_gather { 586 unsigned long size; /**< In bytes -- will round to page boundary */ 587 unsigned long handle; /**< Used for mapping / unmapping */ 588 }; 589 590 /* 591 * DRM_IOCTL_SET_VERSION ioctl argument type. 592 */ 593 struct drm_set_version { 594 int drm_di_major; 595 int drm_di_minor; 596 int drm_dd_major; 597 int drm_dd_minor; 598 }; 599 600 /* DRM_IOCTL_GEM_CLOSE ioctl argument type */ 601 struct drm_gem_close { 602 /** Handle of the object to be closed. */ 603 __u32 handle; 604 __u32 pad; 605 }; 606 607 /* DRM_IOCTL_GEM_FLINK ioctl argument type */ 608 struct drm_gem_flink { 609 /** Handle for the object being named */ 610 __u32 handle; 611 612 /** Returned global name */ 613 __u32 name; 614 }; 615 616 /* DRM_IOCTL_GEM_OPEN ioctl argument type */ 617 struct drm_gem_open { 618 /** Name of object being opened */ 619 __u32 name; 620 621 /** Returned handle for the object */ 622 __u32 handle; 623 624 /** Returned size of the object */ 625 __u64 size; 626 }; 627 628 /** 629 * DRM_CAP_DUMB_BUFFER 630 * 631 * If set to 1, the driver supports creating dumb buffers via the 632 * &DRM_IOCTL_MODE_CREATE_DUMB ioctl. 633 */ 634 #define DRM_CAP_DUMB_BUFFER 0x1 635 /** 636 * DRM_CAP_VBLANK_HIGH_CRTC 637 * 638 * If set to 1, the kernel supports specifying a :ref:`CRTC index<crtc_index>` 639 * in the high bits of &drm_wait_vblank_request.type. 640 * 641 * Starting kernel version 2.6.39, this capability is always set to 1. 642 */ 643 #define DRM_CAP_VBLANK_HIGH_CRTC 0x2 644 /** 645 * DRM_CAP_DUMB_PREFERRED_DEPTH 646 * 647 * The preferred bit depth for dumb buffers. 648 * 649 * The bit depth is the number of bits used to indicate the color of a single 650 * pixel excluding any padding. This is different from the number of bits per 651 * pixel. For instance, XRGB8888 has a bit depth of 24 but has 32 bits per 652 * pixel. 653 * 654 * Note that this preference only applies to dumb buffers, it's irrelevant for 655 * other types of buffers. 656 */ 657 #define DRM_CAP_DUMB_PREFERRED_DEPTH 0x3 658 /** 659 * DRM_CAP_DUMB_PREFER_SHADOW 660 * 661 * If set to 1, the driver prefers userspace to render to a shadow buffer 662 * instead of directly rendering to a dumb buffer. For best speed, userspace 663 * should do streaming ordered memory copies into the dumb buffer and never 664 * read from it. 665 * 666 * Note that this preference only applies to dumb buffers, it's irrelevant for 667 * other types of buffers. 668 */ 669 #define DRM_CAP_DUMB_PREFER_SHADOW 0x4 670 /** 671 * DRM_CAP_PRIME 672 * 673 * Bitfield of supported PRIME sharing capabilities. See &DRM_PRIME_CAP_IMPORT 674 * and &DRM_PRIME_CAP_EXPORT. 675 * 676 * Starting from kernel version 6.6, both &DRM_PRIME_CAP_IMPORT and 677 * &DRM_PRIME_CAP_EXPORT are always advertised. 678 * 679 * PRIME buffers are exposed as dma-buf file descriptors. 680 * See :ref:`prime_buffer_sharing`. 681 */ 682 #define DRM_CAP_PRIME 0x5 683 /** 684 * DRM_PRIME_CAP_IMPORT 685 * 686 * If this bit is set in &DRM_CAP_PRIME, the driver supports importing PRIME 687 * buffers via the &DRM_IOCTL_PRIME_FD_TO_HANDLE ioctl. 688 * 689 * Starting from kernel version 6.6, this bit is always set in &DRM_CAP_PRIME. 690 */ 691 #define DRM_PRIME_CAP_IMPORT 0x1 692 /** 693 * DRM_PRIME_CAP_EXPORT 694 * 695 * If this bit is set in &DRM_CAP_PRIME, the driver supports exporting PRIME 696 * buffers via the &DRM_IOCTL_PRIME_HANDLE_TO_FD ioctl. 697 * 698 * Starting from kernel version 6.6, this bit is always set in &DRM_CAP_PRIME. 699 */ 700 #define DRM_PRIME_CAP_EXPORT 0x2 701 /** 702 * DRM_CAP_TIMESTAMP_MONOTONIC 703 * 704 * If set to 0, the kernel will report timestamps with ``CLOCK_REALTIME`` in 705 * struct drm_event_vblank. If set to 1, the kernel will report timestamps with 706 * ``CLOCK_MONOTONIC``. See ``clock_gettime(2)`` for the definition of these 707 * clocks. 708 * 709 * Starting from kernel version 2.6.39, the default value for this capability 710 * is 1. Starting kernel version 4.15, this capability is always set to 1. 711 */ 712 #define DRM_CAP_TIMESTAMP_MONOTONIC 0x6 713 /** 714 * DRM_CAP_ASYNC_PAGE_FLIP 715 * 716 * If set to 1, the driver supports &DRM_MODE_PAGE_FLIP_ASYNC. 717 */ 718 #define DRM_CAP_ASYNC_PAGE_FLIP 0x7 719 /** 720 * DRM_CAP_CURSOR_WIDTH 721 * 722 * The ``CURSOR_WIDTH`` and ``CURSOR_HEIGHT`` capabilities return a valid 723 * width x height combination for the hardware cursor. The intention is that a 724 * hardware agnostic userspace can query a cursor plane size to use. 725 * 726 * Note that the cross-driver contract is to merely return a valid size; 727 * drivers are free to attach another meaning on top, eg. i915 returns the 728 * maximum plane size. 729 */ 730 #define DRM_CAP_CURSOR_WIDTH 0x8 731 /** 732 * DRM_CAP_CURSOR_HEIGHT 733 * 734 * See &DRM_CAP_CURSOR_WIDTH. 735 */ 736 #define DRM_CAP_CURSOR_HEIGHT 0x9 737 /** 738 * DRM_CAP_ADDFB2_MODIFIERS 739 * 740 * If set to 1, the driver supports supplying modifiers in the 741 * &DRM_IOCTL_MODE_ADDFB2 ioctl. 742 */ 743 #define DRM_CAP_ADDFB2_MODIFIERS 0x10 744 /** 745 * DRM_CAP_PAGE_FLIP_TARGET 746 * 747 * If set to 1, the driver supports the &DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE and 748 * &DRM_MODE_PAGE_FLIP_TARGET_RELATIVE flags in 749 * &drm_mode_crtc_page_flip_target.flags for the &DRM_IOCTL_MODE_PAGE_FLIP 750 * ioctl. 751 */ 752 #define DRM_CAP_PAGE_FLIP_TARGET 0x11 753 /** 754 * DRM_CAP_CRTC_IN_VBLANK_EVENT 755 * 756 * If set to 1, the kernel supports reporting the CRTC ID in 757 * &drm_event_vblank.crtc_id for the &DRM_EVENT_VBLANK and 758 * &DRM_EVENT_FLIP_COMPLETE events. 759 * 760 * Starting kernel version 4.12, this capability is always set to 1. 761 */ 762 #define DRM_CAP_CRTC_IN_VBLANK_EVENT 0x12 763 /** 764 * DRM_CAP_SYNCOBJ 765 * 766 * If set to 1, the driver supports sync objects. See :ref:`drm_sync_objects`. 767 */ 768 #define DRM_CAP_SYNCOBJ 0x13 769 /** 770 * DRM_CAP_SYNCOBJ_TIMELINE 771 * 772 * If set to 1, the driver supports timeline operations on sync objects. See 773 * :ref:`drm_sync_objects`. 774 */ 775 #define DRM_CAP_SYNCOBJ_TIMELINE 0x14 776 777 /* DRM_IOCTL_GET_CAP ioctl argument type */ 778 struct drm_get_cap { 779 __u64 capability; 780 __u64 value; 781 }; 782 783 /** 784 * DRM_CLIENT_CAP_STEREO_3D 785 * 786 * If set to 1, the DRM core will expose the stereo 3D capabilities of the 787 * monitor by advertising the supported 3D layouts in the flags of struct 788 * drm_mode_modeinfo. See ``DRM_MODE_FLAG_3D_*``. 789 * 790 * This capability is always supported for all drivers starting from kernel 791 * version 3.13. 792 */ 793 #define DRM_CLIENT_CAP_STEREO_3D 1 794 795 /** 796 * DRM_CLIENT_CAP_UNIVERSAL_PLANES 797 * 798 * If set to 1, the DRM core will expose all planes (overlay, primary, and 799 * cursor) to userspace. 800 * 801 * This capability has been introduced in kernel version 3.15. Starting from 802 * kernel version 3.17, this capability is always supported for all drivers. 803 */ 804 #define DRM_CLIENT_CAP_UNIVERSAL_PLANES 2 805 806 /** 807 * DRM_CLIENT_CAP_ATOMIC 808 * 809 * If set to 1, the DRM core will expose atomic properties to userspace. This 810 * implicitly enables &DRM_CLIENT_CAP_UNIVERSAL_PLANES and 811 * &DRM_CLIENT_CAP_ASPECT_RATIO. 812 * 813 * If the driver doesn't support atomic mode-setting, enabling this capability 814 * will fail with -EOPNOTSUPP. 815 * 816 * This capability has been introduced in kernel version 4.0. Starting from 817 * kernel version 4.2, this capability is always supported for atomic-capable 818 * drivers. 819 */ 820 #define DRM_CLIENT_CAP_ATOMIC 3 821 822 /** 823 * DRM_CLIENT_CAP_ASPECT_RATIO 824 * 825 * If set to 1, the DRM core will provide aspect ratio information in modes. 826 * See ``DRM_MODE_FLAG_PIC_AR_*``. 827 * 828 * This capability is always supported for all drivers starting from kernel 829 * version 4.18. 830 */ 831 #define DRM_CLIENT_CAP_ASPECT_RATIO 4 832 833 /** 834 * DRM_CLIENT_CAP_WRITEBACK_CONNECTORS 835 * 836 * If set to 1, the DRM core will expose special connectors to be used for 837 * writing back to memory the scene setup in the commit. The client must enable 838 * &DRM_CLIENT_CAP_ATOMIC first. 839 * 840 * This capability is always supported for atomic-capable drivers starting from 841 * kernel version 4.19. 842 */ 843 #define DRM_CLIENT_CAP_WRITEBACK_CONNECTORS 5 844 845 /* DRM_IOCTL_SET_CLIENT_CAP ioctl argument type */ 846 struct drm_set_client_cap { 847 __u64 capability; 848 __u64 value; 849 }; 850 851 #define DRM_RDWR O_RDWR 852 #define DRM_CLOEXEC O_CLOEXEC 853 struct drm_prime_handle { 854 __u32 handle; 855 856 /** Flags.. only applicable for handle->fd */ 857 __u32 flags; 858 859 /** Returned dmabuf file descriptor */ 860 __s32 fd; 861 }; 862 863 struct drm_syncobj_create { 864 __u32 handle; 865 #define DRM_SYNCOBJ_CREATE_SIGNALED (1 << 0) 866 __u32 flags; 867 }; 868 869 struct drm_syncobj_destroy { 870 __u32 handle; 871 __u32 pad; 872 }; 873 874 #define DRM_SYNCOBJ_FD_TO_HANDLE_FLAGS_IMPORT_SYNC_FILE (1 << 0) 875 #define DRM_SYNCOBJ_HANDLE_TO_FD_FLAGS_EXPORT_SYNC_FILE (1 << 0) 876 struct drm_syncobj_handle { 877 __u32 handle; 878 __u32 flags; 879 880 __s32 fd; 881 __u32 pad; 882 }; 883 884 struct drm_syncobj_transfer { 885 __u32 src_handle; 886 __u32 dst_handle; 887 __u64 src_point; 888 __u64 dst_point; 889 __u32 flags; 890 __u32 pad; 891 }; 892 893 #define DRM_SYNCOBJ_WAIT_FLAGS_WAIT_ALL (1 << 0) 894 #define DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT (1 << 1) 895 #define DRM_SYNCOBJ_WAIT_FLAGS_WAIT_AVAILABLE (1 << 2) /* wait for time point to become available */ 896 struct drm_syncobj_wait { 897 __u64 handles; 898 /* absolute timeout */ 899 __s64 timeout_nsec; 900 __u32 count_handles; 901 __u32 flags; 902 __u32 first_signaled; /* only valid when not waiting all */ 903 __u32 pad; 904 }; 905 906 struct drm_syncobj_timeline_wait { 907 __u64 handles; 908 /* wait on specific timeline point for every handles*/ 909 __u64 points; 910 /* absolute timeout */ 911 __s64 timeout_nsec; 912 __u32 count_handles; 913 __u32 flags; 914 __u32 first_signaled; /* only valid when not waiting all */ 915 __u32 pad; 916 }; 917 918 /** 919 * struct drm_syncobj_eventfd 920 * @handle: syncobj handle. 921 * @flags: Zero to wait for the point to be signalled, or 922 * &DRM_SYNCOBJ_WAIT_FLAGS_WAIT_AVAILABLE to wait for a fence to be 923 * available for the point. 924 * @point: syncobj timeline point (set to zero for binary syncobjs). 925 * @fd: Existing eventfd to sent events to. 926 * @pad: Must be zero. 927 * 928 * Register an eventfd to be signalled by a syncobj. The eventfd counter will 929 * be incremented by one. 930 */ 931 struct drm_syncobj_eventfd { 932 __u32 handle; 933 __u32 flags; 934 __u64 point; 935 __s32 fd; 936 __u32 pad; 937 }; 938 939 940 struct drm_syncobj_array { 941 __u64 handles; 942 __u32 count_handles; 943 __u32 pad; 944 }; 945 946 #define DRM_SYNCOBJ_QUERY_FLAGS_LAST_SUBMITTED (1 << 0) /* last available point on timeline syncobj */ 947 struct drm_syncobj_timeline_array { 948 __u64 handles; 949 __u64 points; 950 __u32 count_handles; 951 __u32 flags; 952 }; 953 954 955 /* Query current scanout sequence number */ 956 struct drm_crtc_get_sequence { 957 __u32 crtc_id; /* requested crtc_id */ 958 __u32 active; /* return: crtc output is active */ 959 __u64 sequence; /* return: most recent vblank sequence */ 960 __s64 sequence_ns; /* return: most recent time of first pixel out */ 961 }; 962 963 /* Queue event to be delivered at specified sequence. Time stamp marks 964 * when the first pixel of the refresh cycle leaves the display engine 965 * for the display 966 */ 967 #define DRM_CRTC_SEQUENCE_RELATIVE 0x00000001 /* sequence is relative to current */ 968 #define DRM_CRTC_SEQUENCE_NEXT_ON_MISS 0x00000002 /* Use next sequence if we've missed */ 969 970 struct drm_crtc_queue_sequence { 971 __u32 crtc_id; 972 __u32 flags; 973 __u64 sequence; /* on input, target sequence. on output, actual sequence */ 974 __u64 user_data; /* user data passed to event */ 975 }; 976 977 #if defined(__cplusplus) 978 } 979 #endif 980 981 #include "drm_mode.h" 982 983 #if defined(__cplusplus) 984 extern "C" { 985 #endif 986 987 #define DRM_IOCTL_BASE 'd' 988 #define DRM_IO(nr) _IO(DRM_IOCTL_BASE,nr) 989 #define DRM_IOR(nr,type) _IOR(DRM_IOCTL_BASE,nr,type) 990 #define DRM_IOW(nr,type) _IOW(DRM_IOCTL_BASE,nr,type) 991 #define DRM_IOWR(nr,type) _IOWR(DRM_IOCTL_BASE,nr,type) 992 993 #define DRM_IOCTL_VERSION DRM_IOWR(0x00, struct drm_version) 994 #define DRM_IOCTL_GET_UNIQUE DRM_IOWR(0x01, struct drm_unique) 995 #define DRM_IOCTL_GET_MAGIC DRM_IOR( 0x02, struct drm_auth) 996 #define DRM_IOCTL_IRQ_BUSID DRM_IOWR(0x03, struct drm_irq_busid) 997 #define DRM_IOCTL_GET_MAP DRM_IOWR(0x04, struct drm_map) 998 #define DRM_IOCTL_GET_CLIENT DRM_IOWR(0x05, struct drm_client) 999 #define DRM_IOCTL_GET_STATS DRM_IOR( 0x06, struct drm_stats) 1000 #define DRM_IOCTL_SET_VERSION DRM_IOWR(0x07, struct drm_set_version) 1001 #define DRM_IOCTL_MODESET_CTL DRM_IOW(0x08, struct drm_modeset_ctl) 1002 /** 1003 * DRM_IOCTL_GEM_CLOSE - Close a GEM handle. 1004 * 1005 * GEM handles are not reference-counted by the kernel. User-space is 1006 * responsible for managing their lifetime. For example, if user-space imports 1007 * the same memory object twice on the same DRM file description, the same GEM 1008 * handle is returned by both imports, and user-space needs to ensure 1009 * &DRM_IOCTL_GEM_CLOSE is performed once only. The same situation can happen 1010 * when a memory object is allocated, then exported and imported again on the 1011 * same DRM file description. The &DRM_IOCTL_MODE_GETFB2 IOCTL is an exception 1012 * and always returns fresh new GEM handles even if an existing GEM handle 1013 * already refers to the same memory object before the IOCTL is performed. 1014 */ 1015 #define DRM_IOCTL_GEM_CLOSE DRM_IOW (0x09, struct drm_gem_close) 1016 #define DRM_IOCTL_GEM_FLINK DRM_IOWR(0x0a, struct drm_gem_flink) 1017 #define DRM_IOCTL_GEM_OPEN DRM_IOWR(0x0b, struct drm_gem_open) 1018 #define DRM_IOCTL_GET_CAP DRM_IOWR(0x0c, struct drm_get_cap) 1019 #define DRM_IOCTL_SET_CLIENT_CAP DRM_IOW( 0x0d, struct drm_set_client_cap) 1020 1021 #define DRM_IOCTL_SET_UNIQUE DRM_IOW( 0x10, struct drm_unique) 1022 #define DRM_IOCTL_AUTH_MAGIC DRM_IOW( 0x11, struct drm_auth) 1023 #define DRM_IOCTL_BLOCK DRM_IOWR(0x12, struct drm_block) 1024 #define DRM_IOCTL_UNBLOCK DRM_IOWR(0x13, struct drm_block) 1025 #define DRM_IOCTL_CONTROL DRM_IOW( 0x14, struct drm_control) 1026 #define DRM_IOCTL_ADD_MAP DRM_IOWR(0x15, struct drm_map) 1027 #define DRM_IOCTL_ADD_BUFS DRM_IOWR(0x16, struct drm_buf_desc) 1028 #define DRM_IOCTL_MARK_BUFS DRM_IOW( 0x17, struct drm_buf_desc) 1029 #define DRM_IOCTL_INFO_BUFS DRM_IOWR(0x18, struct drm_buf_info) 1030 #define DRM_IOCTL_MAP_BUFS DRM_IOWR(0x19, struct drm_buf_map) 1031 #define DRM_IOCTL_FREE_BUFS DRM_IOW( 0x1a, struct drm_buf_free) 1032 1033 #define DRM_IOCTL_RM_MAP DRM_IOW( 0x1b, struct drm_map) 1034 1035 #define DRM_IOCTL_SET_SAREA_CTX DRM_IOW( 0x1c, struct drm_ctx_priv_map) 1036 #define DRM_IOCTL_GET_SAREA_CTX DRM_IOWR(0x1d, struct drm_ctx_priv_map) 1037 1038 #define DRM_IOCTL_SET_MASTER DRM_IO(0x1e) 1039 #define DRM_IOCTL_DROP_MASTER DRM_IO(0x1f) 1040 1041 #define DRM_IOCTL_ADD_CTX DRM_IOWR(0x20, struct drm_ctx) 1042 #define DRM_IOCTL_RM_CTX DRM_IOWR(0x21, struct drm_ctx) 1043 #define DRM_IOCTL_MOD_CTX DRM_IOW( 0x22, struct drm_ctx) 1044 #define DRM_IOCTL_GET_CTX DRM_IOWR(0x23, struct drm_ctx) 1045 #define DRM_IOCTL_SWITCH_CTX DRM_IOW( 0x24, struct drm_ctx) 1046 #define DRM_IOCTL_NEW_CTX DRM_IOW( 0x25, struct drm_ctx) 1047 #define DRM_IOCTL_RES_CTX DRM_IOWR(0x26, struct drm_ctx_res) 1048 #define DRM_IOCTL_ADD_DRAW DRM_IOWR(0x27, struct drm_draw) 1049 #define DRM_IOCTL_RM_DRAW DRM_IOWR(0x28, struct drm_draw) 1050 #define DRM_IOCTL_DMA DRM_IOWR(0x29, struct drm_dma) 1051 #define DRM_IOCTL_LOCK DRM_IOW( 0x2a, struct drm_lock) 1052 #define DRM_IOCTL_UNLOCK DRM_IOW( 0x2b, struct drm_lock) 1053 #define DRM_IOCTL_FINISH DRM_IOW( 0x2c, struct drm_lock) 1054 1055 /** 1056 * DRM_IOCTL_PRIME_HANDLE_TO_FD - Convert a GEM handle to a DMA-BUF FD. 1057 * 1058 * User-space sets &drm_prime_handle.handle with the GEM handle to export and 1059 * &drm_prime_handle.flags, and gets back a DMA-BUF file descriptor in 1060 * &drm_prime_handle.fd. 1061 * 1062 * The export can fail for any driver-specific reason, e.g. because export is 1063 * not supported for this specific GEM handle (but might be for others). 1064 * 1065 * Support for exporting DMA-BUFs is advertised via &DRM_PRIME_CAP_EXPORT. 1066 */ 1067 #define DRM_IOCTL_PRIME_HANDLE_TO_FD DRM_IOWR(0x2d, struct drm_prime_handle) 1068 /** 1069 * DRM_IOCTL_PRIME_FD_TO_HANDLE - Convert a DMA-BUF FD to a GEM handle. 1070 * 1071 * User-space sets &drm_prime_handle.fd with a DMA-BUF file descriptor to 1072 * import, and gets back a GEM handle in &drm_prime_handle.handle. 1073 * &drm_prime_handle.flags is unused. 1074 * 1075 * If an existing GEM handle refers to the memory object backing the DMA-BUF, 1076 * that GEM handle is returned. Therefore user-space which needs to handle 1077 * arbitrary DMA-BUFs must have a user-space lookup data structure to manually 1078 * reference-count duplicated GEM handles. For more information see 1079 * &DRM_IOCTL_GEM_CLOSE. 1080 * 1081 * The import can fail for any driver-specific reason, e.g. because import is 1082 * only supported for DMA-BUFs allocated on this DRM device. 1083 * 1084 * Support for importing DMA-BUFs is advertised via &DRM_PRIME_CAP_IMPORT. 1085 */ 1086 #define DRM_IOCTL_PRIME_FD_TO_HANDLE DRM_IOWR(0x2e, struct drm_prime_handle) 1087 1088 #define DRM_IOCTL_AGP_ACQUIRE DRM_IO( 0x30) 1089 #define DRM_IOCTL_AGP_RELEASE DRM_IO( 0x31) 1090 #define DRM_IOCTL_AGP_ENABLE DRM_IOW( 0x32, struct drm_agp_mode) 1091 #define DRM_IOCTL_AGP_INFO DRM_IOR( 0x33, struct drm_agp_info) 1092 #define DRM_IOCTL_AGP_ALLOC DRM_IOWR(0x34, struct drm_agp_buffer) 1093 #define DRM_IOCTL_AGP_FREE DRM_IOW( 0x35, struct drm_agp_buffer) 1094 #define DRM_IOCTL_AGP_BIND DRM_IOW( 0x36, struct drm_agp_binding) 1095 #define DRM_IOCTL_AGP_UNBIND DRM_IOW( 0x37, struct drm_agp_binding) 1096 1097 #define DRM_IOCTL_SG_ALLOC DRM_IOWR(0x38, struct drm_scatter_gather) 1098 #define DRM_IOCTL_SG_FREE DRM_IOW( 0x39, struct drm_scatter_gather) 1099 1100 #define DRM_IOCTL_WAIT_VBLANK DRM_IOWR(0x3a, union drm_wait_vblank) 1101 1102 #define DRM_IOCTL_CRTC_GET_SEQUENCE DRM_IOWR(0x3b, struct drm_crtc_get_sequence) 1103 #define DRM_IOCTL_CRTC_QUEUE_SEQUENCE DRM_IOWR(0x3c, struct drm_crtc_queue_sequence) 1104 1105 #define DRM_IOCTL_UPDATE_DRAW DRM_IOW(0x3f, struct drm_update_draw) 1106 1107 #define DRM_IOCTL_MODE_GETRESOURCES DRM_IOWR(0xA0, struct drm_mode_card_res) 1108 #define DRM_IOCTL_MODE_GETCRTC DRM_IOWR(0xA1, struct drm_mode_crtc) 1109 #define DRM_IOCTL_MODE_SETCRTC DRM_IOWR(0xA2, struct drm_mode_crtc) 1110 #define DRM_IOCTL_MODE_CURSOR DRM_IOWR(0xA3, struct drm_mode_cursor) 1111 #define DRM_IOCTL_MODE_GETGAMMA DRM_IOWR(0xA4, struct drm_mode_crtc_lut) 1112 #define DRM_IOCTL_MODE_SETGAMMA DRM_IOWR(0xA5, struct drm_mode_crtc_lut) 1113 #define DRM_IOCTL_MODE_GETENCODER DRM_IOWR(0xA6, struct drm_mode_get_encoder) 1114 #define DRM_IOCTL_MODE_GETCONNECTOR DRM_IOWR(0xA7, struct drm_mode_get_connector) 1115 #define DRM_IOCTL_MODE_ATTACHMODE DRM_IOWR(0xA8, struct drm_mode_mode_cmd) /* deprecated (never worked) */ 1116 #define DRM_IOCTL_MODE_DETACHMODE DRM_IOWR(0xA9, struct drm_mode_mode_cmd) /* deprecated (never worked) */ 1117 1118 #define DRM_IOCTL_MODE_GETPROPERTY DRM_IOWR(0xAA, struct drm_mode_get_property) 1119 #define DRM_IOCTL_MODE_SETPROPERTY DRM_IOWR(0xAB, struct drm_mode_connector_set_property) 1120 #define DRM_IOCTL_MODE_GETPROPBLOB DRM_IOWR(0xAC, struct drm_mode_get_blob) 1121 #define DRM_IOCTL_MODE_GETFB DRM_IOWR(0xAD, struct drm_mode_fb_cmd) 1122 #define DRM_IOCTL_MODE_ADDFB DRM_IOWR(0xAE, struct drm_mode_fb_cmd) 1123 /** 1124 * DRM_IOCTL_MODE_RMFB - Remove a framebuffer. 1125 * 1126 * This removes a framebuffer previously added via ADDFB/ADDFB2. The IOCTL 1127 * argument is a framebuffer object ID. 1128 * 1129 * Warning: removing a framebuffer currently in-use on an enabled plane will 1130 * disable that plane. The CRTC the plane is linked to may also be disabled 1131 * (depending on driver capabilities). 1132 */ 1133 #define DRM_IOCTL_MODE_RMFB DRM_IOWR(0xAF, unsigned int) 1134 #define DRM_IOCTL_MODE_PAGE_FLIP DRM_IOWR(0xB0, struct drm_mode_crtc_page_flip) 1135 #define DRM_IOCTL_MODE_DIRTYFB DRM_IOWR(0xB1, struct drm_mode_fb_dirty_cmd) 1136 1137 #define DRM_IOCTL_MODE_CREATE_DUMB DRM_IOWR(0xB2, struct drm_mode_create_dumb) 1138 #define DRM_IOCTL_MODE_MAP_DUMB DRM_IOWR(0xB3, struct drm_mode_map_dumb) 1139 #define DRM_IOCTL_MODE_DESTROY_DUMB DRM_IOWR(0xB4, struct drm_mode_destroy_dumb) 1140 #define DRM_IOCTL_MODE_GETPLANERESOURCES DRM_IOWR(0xB5, struct drm_mode_get_plane_res) 1141 #define DRM_IOCTL_MODE_GETPLANE DRM_IOWR(0xB6, struct drm_mode_get_plane) 1142 #define DRM_IOCTL_MODE_SETPLANE DRM_IOWR(0xB7, struct drm_mode_set_plane) 1143 #define DRM_IOCTL_MODE_ADDFB2 DRM_IOWR(0xB8, struct drm_mode_fb_cmd2) 1144 #define DRM_IOCTL_MODE_OBJ_GETPROPERTIES DRM_IOWR(0xB9, struct drm_mode_obj_get_properties) 1145 #define DRM_IOCTL_MODE_OBJ_SETPROPERTY DRM_IOWR(0xBA, struct drm_mode_obj_set_property) 1146 #define DRM_IOCTL_MODE_CURSOR2 DRM_IOWR(0xBB, struct drm_mode_cursor2) 1147 #define DRM_IOCTL_MODE_ATOMIC DRM_IOWR(0xBC, struct drm_mode_atomic) 1148 #define DRM_IOCTL_MODE_CREATEPROPBLOB DRM_IOWR(0xBD, struct drm_mode_create_blob) 1149 #define DRM_IOCTL_MODE_DESTROYPROPBLOB DRM_IOWR(0xBE, struct drm_mode_destroy_blob) 1150 1151 #define DRM_IOCTL_SYNCOBJ_CREATE DRM_IOWR(0xBF, struct drm_syncobj_create) 1152 #define DRM_IOCTL_SYNCOBJ_DESTROY DRM_IOWR(0xC0, struct drm_syncobj_destroy) 1153 #define DRM_IOCTL_SYNCOBJ_HANDLE_TO_FD DRM_IOWR(0xC1, struct drm_syncobj_handle) 1154 #define DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE DRM_IOWR(0xC2, struct drm_syncobj_handle) 1155 #define DRM_IOCTL_SYNCOBJ_WAIT DRM_IOWR(0xC3, struct drm_syncobj_wait) 1156 #define DRM_IOCTL_SYNCOBJ_RESET DRM_IOWR(0xC4, struct drm_syncobj_array) 1157 #define DRM_IOCTL_SYNCOBJ_SIGNAL DRM_IOWR(0xC5, struct drm_syncobj_array) 1158 1159 #define DRM_IOCTL_MODE_CREATE_LEASE DRM_IOWR(0xC6, struct drm_mode_create_lease) 1160 #define DRM_IOCTL_MODE_LIST_LESSEES DRM_IOWR(0xC7, struct drm_mode_list_lessees) 1161 #define DRM_IOCTL_MODE_GET_LEASE DRM_IOWR(0xC8, struct drm_mode_get_lease) 1162 #define DRM_IOCTL_MODE_REVOKE_LEASE DRM_IOWR(0xC9, struct drm_mode_revoke_lease) 1163 1164 #define DRM_IOCTL_SYNCOBJ_TIMELINE_WAIT DRM_IOWR(0xCA, struct drm_syncobj_timeline_wait) 1165 #define DRM_IOCTL_SYNCOBJ_QUERY DRM_IOWR(0xCB, struct drm_syncobj_timeline_array) 1166 #define DRM_IOCTL_SYNCOBJ_TRANSFER DRM_IOWR(0xCC, struct drm_syncobj_transfer) 1167 #define DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL DRM_IOWR(0xCD, struct drm_syncobj_timeline_array) 1168 1169 /** 1170 * DRM_IOCTL_MODE_GETFB2 - Get framebuffer metadata. 1171 * 1172 * This queries metadata about a framebuffer. User-space fills 1173 * &drm_mode_fb_cmd2.fb_id as the input, and the kernels fills the rest of the 1174 * struct as the output. 1175 * 1176 * If the client is DRM master or has &CAP_SYS_ADMIN, &drm_mode_fb_cmd2.handles 1177 * will be filled with GEM buffer handles. Fresh new GEM handles are always 1178 * returned, even if another GEM handle referring to the same memory object 1179 * already exists on the DRM file description. The caller is responsible for 1180 * removing the new handles, e.g. via the &DRM_IOCTL_GEM_CLOSE IOCTL. The same 1181 * new handle will be returned for multiple planes in case they use the same 1182 * memory object. Planes are valid until one has a zero handle -- this can be 1183 * used to compute the number of planes. 1184 * 1185 * Otherwise, &drm_mode_fb_cmd2.handles will be zeroed and planes are valid 1186 * until one has a zero &drm_mode_fb_cmd2.pitches. 1187 * 1188 * If the framebuffer has a format modifier, &DRM_MODE_FB_MODIFIERS will be set 1189 * in &drm_mode_fb_cmd2.flags and &drm_mode_fb_cmd2.modifier will contain the 1190 * modifier. Otherwise, user-space must ignore &drm_mode_fb_cmd2.modifier. 1191 * 1192 * To obtain DMA-BUF FDs for each plane without leaking GEM handles, user-space 1193 * can export each handle via &DRM_IOCTL_PRIME_HANDLE_TO_FD, then immediately 1194 * close each unique handle via &DRM_IOCTL_GEM_CLOSE, making sure to not 1195 * double-close handles which are specified multiple times in the array. 1196 */ 1197 #define DRM_IOCTL_MODE_GETFB2 DRM_IOWR(0xCE, struct drm_mode_fb_cmd2) 1198 1199 #define DRM_IOCTL_SYNCOBJ_EVENTFD DRM_IOWR(0xCF, struct drm_syncobj_eventfd) 1200 1201 /* 1202 * Device specific ioctls should only be in their respective headers 1203 * The device specific ioctl range is from 0x40 to 0x9f. 1204 * Generic IOCTLS restart at 0xA0. 1205 * 1206 * \sa drmCommandNone(), drmCommandRead(), drmCommandWrite(), and 1207 * drmCommandReadWrite(). 1208 */ 1209 #define DRM_COMMAND_BASE 0x40 1210 #define DRM_COMMAND_END 0xA0 1211 1212 /** 1213 * struct drm_event - Header for DRM events 1214 * @type: event type. 1215 * @length: total number of payload bytes (including header). 1216 * 1217 * This struct is a header for events written back to user-space on the DRM FD. 1218 * A read on the DRM FD will always only return complete events: e.g. if the 1219 * read buffer is 100 bytes large and there are two 64 byte events pending, 1220 * only one will be returned. 1221 * 1222 * Event types 0 - 0x7fffffff are generic DRM events, 0x80000000 and 1223 * up are chipset specific. Generic DRM events include &DRM_EVENT_VBLANK, 1224 * &DRM_EVENT_FLIP_COMPLETE and &DRM_EVENT_CRTC_SEQUENCE. 1225 */ 1226 struct drm_event { 1227 __u32 type; 1228 __u32 length; 1229 }; 1230 1231 /** 1232 * DRM_EVENT_VBLANK - vertical blanking event 1233 * 1234 * This event is sent in response to &DRM_IOCTL_WAIT_VBLANK with the 1235 * &_DRM_VBLANK_EVENT flag set. 1236 * 1237 * The event payload is a struct drm_event_vblank. 1238 */ 1239 #define DRM_EVENT_VBLANK 0x01 1240 /** 1241 * DRM_EVENT_FLIP_COMPLETE - page-flip completion event 1242 * 1243 * This event is sent in response to an atomic commit or legacy page-flip with 1244 * the &DRM_MODE_PAGE_FLIP_EVENT flag set. 1245 * 1246 * The event payload is a struct drm_event_vblank. 1247 */ 1248 #define DRM_EVENT_FLIP_COMPLETE 0x02 1249 /** 1250 * DRM_EVENT_CRTC_SEQUENCE - CRTC sequence event 1251 * 1252 * This event is sent in response to &DRM_IOCTL_CRTC_QUEUE_SEQUENCE. 1253 * 1254 * The event payload is a struct drm_event_crtc_sequence. 1255 */ 1256 #define DRM_EVENT_CRTC_SEQUENCE 0x03 1257 1258 struct drm_event_vblank { 1259 struct drm_event base; 1260 __u64 user_data; 1261 __u32 tv_sec; 1262 __u32 tv_usec; 1263 __u32 sequence; 1264 __u32 crtc_id; /* 0 on older kernels that do not support this */ 1265 }; 1266 1267 /* Event delivered at sequence. Time stamp marks when the first pixel 1268 * of the refresh cycle leaves the display engine for the display 1269 */ 1270 struct drm_event_crtc_sequence { 1271 struct drm_event base; 1272 __u64 user_data; 1273 __s64 time_ns; 1274 __u64 sequence; 1275 }; 1276 1277 /* typedef area */ 1278 #ifndef __KERNEL__ 1279 typedef struct drm_clip_rect drm_clip_rect_t; 1280 typedef struct drm_drawable_info drm_drawable_info_t; 1281 typedef struct drm_tex_region drm_tex_region_t; 1282 typedef struct drm_hw_lock drm_hw_lock_t; 1283 typedef struct drm_version drm_version_t; 1284 typedef struct drm_unique drm_unique_t; 1285 typedef struct drm_list drm_list_t; 1286 typedef struct drm_block drm_block_t; 1287 typedef struct drm_control drm_control_t; 1288 typedef enum drm_map_type drm_map_type_t; 1289 typedef enum drm_map_flags drm_map_flags_t; 1290 typedef struct drm_ctx_priv_map drm_ctx_priv_map_t; 1291 typedef struct drm_map drm_map_t; 1292 typedef struct drm_client drm_client_t; 1293 typedef enum drm_stat_type drm_stat_type_t; 1294 typedef struct drm_stats drm_stats_t; 1295 typedef enum drm_lock_flags drm_lock_flags_t; 1296 typedef struct drm_lock drm_lock_t; 1297 typedef enum drm_dma_flags drm_dma_flags_t; 1298 typedef struct drm_buf_desc drm_buf_desc_t; 1299 typedef struct drm_buf_info drm_buf_info_t; 1300 typedef struct drm_buf_free drm_buf_free_t; 1301 typedef struct drm_buf_pub drm_buf_pub_t; 1302 typedef struct drm_buf_map drm_buf_map_t; 1303 typedef struct drm_dma drm_dma_t; 1304 typedef union drm_wait_vblank drm_wait_vblank_t; 1305 typedef struct drm_agp_mode drm_agp_mode_t; 1306 typedef enum drm_ctx_flags drm_ctx_flags_t; 1307 typedef struct drm_ctx drm_ctx_t; 1308 typedef struct drm_ctx_res drm_ctx_res_t; 1309 typedef struct drm_draw drm_draw_t; 1310 typedef struct drm_update_draw drm_update_draw_t; 1311 typedef struct drm_auth drm_auth_t; 1312 typedef struct drm_irq_busid drm_irq_busid_t; 1313 typedef enum drm_vblank_seq_type drm_vblank_seq_type_t; 1314 1315 typedef struct drm_agp_buffer drm_agp_buffer_t; 1316 typedef struct drm_agp_binding drm_agp_binding_t; 1317 typedef struct drm_agp_info drm_agp_info_t; 1318 typedef struct drm_scatter_gather drm_scatter_gather_t; 1319 typedef struct drm_set_version drm_set_version_t; 1320 #endif 1321 1322 #if defined(__cplusplus) 1323 } 1324 #endif 1325 1326 #endif 1327
