drm.h 27 KB

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