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  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. #include <stdint.h>
  40.  
  41. typedef int8_t   __s8;
  42. typedef uint8_t  __u8;
  43. typedef int16_t  __s16;
  44. typedef uint16_t __u16;
  45. typedef int32_t  __s32;
  46. typedef uint32_t __u32;
  47. typedef int64_t  __s64;
  48. typedef uint64_t __u64;
  49. typedef unsigned long drm_handle_t;
  50.  
  51.  
  52.  
  53. #define DRM_NAME        "drm"     /**< Name in kernel, /dev, and /proc */
  54. #define DRM_MIN_ORDER   5         /**< At least 2^5 bytes = 32 bytes */
  55. #define DRM_MAX_ORDER   22        /**< Up to 2^22 bytes = 4MB */
  56. #define DRM_RAM_PERCENT 10        /**< How much system ram can we lock? */
  57.  
  58. #define _DRM_LOCK_HELD  0x80000000U /**< Hardware lock is held */
  59. #define _DRM_LOCK_CONT  0x40000000U /**< Hardware lock is contended */
  60. #define _DRM_LOCK_IS_HELD(lock)    ((lock) & _DRM_LOCK_HELD)
  61. #define _DRM_LOCK_IS_CONT(lock)    ((lock) & _DRM_LOCK_CONT)
  62. #define _DRM_LOCKING_CONTEXT(lock) ((lock) & ~(_DRM_LOCK_HELD|_DRM_LOCK_CONT))
  63.  
  64. typedef unsigned int drm_context_t;
  65. typedef unsigned int drm_drawable_t;
  66. typedef unsigned int drm_magic_t;
  67.  
  68. /**
  69.  * Cliprect.
  70.  *
  71.  * \warning: If you change this structure, make sure you change
  72.  * XF86DRIClipRectRec in the server as well
  73.  *
  74.  * \note KW: Actually it's illegal to change either for
  75.  * backwards-compatibility reasons.
  76.  */
  77. struct drm_clip_rect {
  78.         unsigned short x1;
  79.         unsigned short y1;
  80.         unsigned short x2;
  81.         unsigned short y2;
  82. };
  83.  
  84. /**
  85.  * Drawable information.
  86.  */
  87. struct drm_drawable_info {
  88.         unsigned int num_rects;
  89.         struct drm_clip_rect *rects;
  90. };
  91.  
  92. /**
  93.  * Texture region,
  94.  */
  95. struct drm_tex_region {
  96.         unsigned char next;
  97.         unsigned char prev;
  98.         unsigned char in_use;
  99.         unsigned char padding;
  100.         unsigned int age;
  101. };
  102.  
  103. /**
  104.  * Hardware lock.
  105.  *
  106.  * The lock structure is a simple cache-line aligned integer.  To avoid
  107.  * processor bus contention on a multiprocessor system, there should not be any
  108.  * other data stored in the same cache line.
  109.  */
  110. struct drm_hw_lock {
  111.         __volatile__ unsigned int lock;         /**< lock variable */
  112.         char padding[60];                       /**< Pad to cache line */
  113. };
  114.  
  115. /**
  116.  * DRM_IOCTL_VERSION ioctl argument type.
  117.  *
  118.  * \sa drmGetVersion().
  119.  */
  120. struct drm_version {
  121.         int version_major;        /**< Major version */
  122.         int version_minor;        /**< Minor version */
  123.         int version_patchlevel;   /**< Patch level */
  124.         size_t name_len;          /**< Length of name buffer */
  125.         char *name;       /**< Name of driver */
  126.         size_t date_len;          /**< Length of date buffer */
  127.         char *date;       /**< User-space buffer to hold date */
  128.         size_t desc_len;          /**< Length of desc buffer */
  129.         char *desc;       /**< User-space buffer to hold desc */
  130. };
  131.  
  132. /**
  133.  * DRM_IOCTL_GET_UNIQUE ioctl argument type.
  134.  *
  135.  * \sa drmGetBusid() and drmSetBusId().
  136.  */
  137. struct drm_unique {
  138.         size_t unique_len;        /**< Length of unique */
  139.         char *unique;     /**< Unique name for driver instantiation */
  140. };
  141.  
  142. struct drm_list {
  143.         int count;                /**< Length of user-space structures */
  144.         struct drm_version *version;
  145. };
  146.  
  147. struct drm_block {
  148.         int unused;
  149. };
  150.  
  151. /**
  152.  * DRM_IOCTL_CONTROL ioctl argument type.
  153.  *
  154.  * \sa drmCtlInstHandler() and drmCtlUninstHandler().
  155.  */
  156. struct drm_control {
  157.         enum {
  158.                 DRM_ADD_COMMAND,
  159.                 DRM_RM_COMMAND,
  160.                 DRM_INST_HANDLER,
  161.                 DRM_UNINST_HANDLER
  162.         } func;
  163.         int irq;
  164. };
  165.  
  166. /**
  167.  * Type of memory to map.
  168.  */
  169. enum drm_map_type {
  170.         _DRM_FRAME_BUFFER = 0,    /**< WC (no caching), no core dump */
  171.         _DRM_REGISTERS = 1,       /**< no caching, no core dump */
  172.         _DRM_SHM = 2,             /**< shared, cached */
  173.         _DRM_AGP = 3,             /**< AGP/GART */
  174.         _DRM_SCATTER_GATHER = 4,  /**< Scatter/gather memory for PCI DMA */
  175.         _DRM_CONSISTENT = 5,      /**< Consistent memory for PCI DMA */
  176.         _DRM_GEM = 6              /**< GEM object */
  177. };
  178.  
  179. /**
  180.  * Memory mapping flags.
  181.  */
  182. enum drm_map_flags {
  183.         _DRM_RESTRICTED = 0x01,      /**< Cannot be mapped to user-virtual */
  184.         _DRM_READ_ONLY = 0x02,
  185.         _DRM_LOCKED = 0x04,          /**< shared, cached, locked */
  186.         _DRM_KERNEL = 0x08,          /**< kernel requires access */
  187.         _DRM_WRITE_COMBINING = 0x10, /**< use write-combining if available */
  188.         _DRM_CONTAINS_LOCK = 0x20,   /**< SHM page that contains lock */
  189.         _DRM_REMOVABLE = 0x40,       /**< Removable mapping */
  190.         _DRM_DRIVER = 0x80           /**< Managed by driver */
  191. };
  192.  
  193. struct drm_ctx_priv_map {
  194.         unsigned int ctx_id;     /**< Context requesting private mapping */
  195.         void *handle;            /**< Handle of map */
  196. };
  197.  
  198. /**
  199.  * DRM_IOCTL_GET_MAP, DRM_IOCTL_ADD_MAP and DRM_IOCTL_RM_MAP ioctls
  200.  * argument type.
  201.  *
  202.  * \sa drmAddMap().
  203.  */
  204. struct drm_map {
  205.         unsigned long offset;    /**< Requested physical address (0 for SAREA)*/
  206.         unsigned long size;      /**< Requested physical size (bytes) */
  207.         enum drm_map_type type;  /**< Type of memory to map */
  208.         enum drm_map_flags flags;        /**< Flags */
  209.         void *handle;            /**< User-space: "Handle" to pass to mmap() */
  210.                                  /**< Kernel-space: kernel-virtual address */
  211.         int mtrr;                /**< MTRR slot used */
  212.         /*   Private data */
  213. };
  214.  
  215. /**
  216.  * DRM_IOCTL_GET_CLIENT ioctl argument type.
  217.  */
  218. struct drm_client {
  219.         int idx;                /**< Which client desired? */
  220.         int auth;               /**< Is client authenticated? */
  221.         unsigned long pid;      /**< Process ID */
  222.         unsigned long uid;      /**< User ID */
  223.         unsigned long magic;    /**< Magic */
  224.         unsigned long iocs;     /**< Ioctl count */
  225. };
  226.  
  227. enum drm_stat_type {
  228.         _DRM_STAT_LOCK,
  229.         _DRM_STAT_OPENS,
  230.         _DRM_STAT_CLOSES,
  231.         _DRM_STAT_IOCTLS,
  232.         _DRM_STAT_LOCKS,
  233.         _DRM_STAT_UNLOCKS,
  234.         _DRM_STAT_VALUE,        /**< Generic value */
  235.         _DRM_STAT_BYTE,         /**< Generic byte counter (1024bytes/K) */
  236.         _DRM_STAT_COUNT,        /**< Generic non-byte counter (1000/k) */
  237.  
  238.         _DRM_STAT_IRQ,          /**< IRQ */
  239.         _DRM_STAT_PRIMARY,      /**< Primary DMA bytes */
  240.         _DRM_STAT_SECONDARY,    /**< Secondary DMA bytes */
  241.         _DRM_STAT_DMA,          /**< DMA */
  242.         _DRM_STAT_SPECIAL,      /**< Special DMA (e.g., priority or polled) */
  243.         _DRM_STAT_MISSED        /**< Missed DMA opportunity */
  244.             /* Add to the *END* of the list */
  245. };
  246.  
  247. /**
  248.  * DRM_IOCTL_GET_STATS ioctl argument type.
  249.  */
  250. struct drm_stats {
  251.         unsigned long count;
  252.         struct {
  253.                 unsigned long value;
  254.                 enum drm_stat_type type;
  255.         } data[15];
  256. };
  257.  
  258. /**
  259.  * Hardware locking flags.
  260.  */
  261. enum drm_lock_flags {
  262.         _DRM_LOCK_READY = 0x01,      /**< Wait until hardware is ready for DMA */
  263.         _DRM_LOCK_QUIESCENT = 0x02,  /**< Wait until hardware quiescent */
  264.         _DRM_LOCK_FLUSH = 0x04,      /**< Flush this context's DMA queue first */
  265.         _DRM_LOCK_FLUSH_ALL = 0x08,  /**< Flush all DMA queues first */
  266.         /* These *HALT* flags aren't supported yet
  267.            -- they will be used to support the
  268.            full-screen DGA-like mode. */
  269.         _DRM_HALT_ALL_QUEUES = 0x10, /**< Halt all current and future queues */
  270.         _DRM_HALT_CUR_QUEUES = 0x20  /**< Halt all current queues */
  271. };
  272.  
  273. /**
  274.  * DRM_IOCTL_LOCK, DRM_IOCTL_UNLOCK and DRM_IOCTL_FINISH ioctl argument type.
  275.  *
  276.  * \sa drmGetLock() and drmUnlock().
  277.  */
  278. struct drm_lock {
  279.         int context;
  280.         enum drm_lock_flags flags;
  281. };
  282.  
  283. /**
  284.  * DMA flags
  285.  *
  286.  * \warning
  287.  * These values \e must match xf86drm.h.
  288.  *
  289.  * \sa drm_dma.
  290.  */
  291. enum drm_dma_flags {
  292.         /* Flags for DMA buffer dispatch */
  293.         _DRM_DMA_BLOCK = 0x01,        /**<
  294.                                        * Block until buffer dispatched.
  295.                                        *
  296.                                        * \note The buffer may not yet have
  297.                                        * been processed by the hardware --
  298.                                        * getting a hardware lock with the
  299.                                        * hardware quiescent will ensure
  300.                                        * that the buffer has been
  301.                                        * processed.
  302.                                        */
  303.         _DRM_DMA_WHILE_LOCKED = 0x02, /**< Dispatch while lock held */
  304.         _DRM_DMA_PRIORITY = 0x04,     /**< High priority dispatch */
  305.  
  306.         /* Flags for DMA buffer request */
  307.         _DRM_DMA_WAIT = 0x10,         /**< Wait for free buffers */
  308.         _DRM_DMA_SMALLER_OK = 0x20,   /**< Smaller-than-requested buffers OK */
  309.         _DRM_DMA_LARGER_OK = 0x40     /**< Larger-than-requested buffers OK */
  310. };
  311.  
  312. /**
  313.  * DRM_IOCTL_ADD_BUFS and DRM_IOCTL_MARK_BUFS ioctl argument type.
  314.  *
  315.  * \sa drmAddBufs().
  316.  */
  317. struct drm_buf_desc {
  318.         int count;               /**< Number of buffers of this size */
  319.         int size;                /**< Size in bytes */
  320.         int low_mark;            /**< Low water mark */
  321.         int high_mark;           /**< High water mark */
  322.         enum {
  323.                 _DRM_PAGE_ALIGN = 0x01, /**< Align on page boundaries for DMA */
  324.                 _DRM_AGP_BUFFER = 0x02, /**< Buffer is in AGP space */
  325.                 _DRM_SG_BUFFER = 0x04/**< Scatter/gather memory buffer */
  326.                 _DRM_FB_BUFFER = 0x08/**< Buffer is in frame buffer */
  327.                 _DRM_PCI_BUFFER_RO = 0x10 /**< Map PCI DMA buffer read-only */
  328.         } flags;
  329.         unsigned long agp_start; /**<
  330.                                   * Start address of where the AGP buffers are
  331.                                   * in the AGP aperture
  332.                                   */
  333. };
  334.  
  335. /**
  336.  * DRM_IOCTL_INFO_BUFS ioctl argument type.
  337.  */
  338. struct drm_buf_info {
  339.         int count;              /**< Entries in list */
  340.         struct drm_buf_desc *list;
  341. };
  342.  
  343. /**
  344.  * DRM_IOCTL_FREE_BUFS ioctl argument type.
  345.  */
  346. struct drm_buf_free {
  347.         int count;
  348.         int *list;
  349. };
  350.  
  351. /**
  352.  * Buffer information
  353.  *
  354.  * \sa drm_buf_map.
  355.  */
  356. struct drm_buf_pub {
  357.         int idx;                       /**< Index into the master buffer list */
  358.         int total;                     /**< Buffer size */
  359.         int used;                      /**< Amount of buffer in use (for DMA) */
  360.         void *address;         /**< Address of buffer */
  361. };
  362.  
  363. /**
  364.  * DRM_IOCTL_MAP_BUFS ioctl argument type.
  365.  */
  366. struct drm_buf_map {
  367.         int count;              /**< Length of the buffer list */
  368. #ifdef __cplusplus
  369.         void *virt;
  370. #else
  371.         void *virtual;          /**< Mmap'd area in user-virtual */
  372. #endif
  373.         struct drm_buf_pub *list;       /**< Buffer information */
  374. };
  375.  
  376. /**
  377.  * DRM_IOCTL_DMA ioctl argument type.
  378.  *
  379.  * Indices here refer to the offset into the buffer list in drm_buf_get.
  380.  *
  381.  * \sa drmDMA().
  382.  */
  383. struct drm_dma {
  384.         int context;                      /**< Context handle */
  385.         int send_count;                   /**< Number of buffers to send */
  386.         int *send_indices;        /**< List of handles to buffers */
  387.         int *send_sizes;                  /**< Lengths of data to send */
  388.         enum drm_dma_flags flags;         /**< Flags */
  389.         int request_count;                /**< Number of buffers requested */
  390.         int request_size;                 /**< Desired size for buffers */
  391.         int *request_indices;     /**< Buffer information */
  392.         int *request_sizes;
  393.         int granted_count;                /**< Number of buffers granted */
  394. };
  395.  
  396. enum drm_ctx_flags {
  397.         _DRM_CONTEXT_PRESERVED = 0x01,
  398.         _DRM_CONTEXT_2DONLY = 0x02
  399. };
  400.  
  401. /**
  402.  * DRM_IOCTL_ADD_CTX ioctl argument type.
  403.  *
  404.  * \sa drmCreateContext() and drmDestroyContext().
  405.  */
  406. struct drm_ctx {
  407.         drm_context_t handle;
  408.         enum drm_ctx_flags flags;
  409. };
  410.  
  411. /**
  412.  * DRM_IOCTL_RES_CTX ioctl argument type.
  413.  */
  414. struct drm_ctx_res {
  415.         int count;
  416.         struct drm_ctx *contexts;
  417. };
  418.  
  419. /**
  420.  * DRM_IOCTL_ADD_DRAW and DRM_IOCTL_RM_DRAW ioctl argument type.
  421.  */
  422. struct drm_draw {
  423.         drm_drawable_t handle;
  424. };
  425.  
  426. /**
  427.  * DRM_IOCTL_UPDATE_DRAW ioctl argument type.
  428.  */
  429. typedef enum {
  430.         DRM_DRAWABLE_CLIPRECTS
  431. } drm_drawable_info_type_t;
  432.  
  433. struct drm_update_draw {
  434.         drm_drawable_t handle;
  435.         unsigned int type;
  436.         unsigned int num;
  437.         unsigned long long data;
  438. };
  439.  
  440. /**
  441.  * DRM_IOCTL_GET_MAGIC and DRM_IOCTL_AUTH_MAGIC ioctl argument type.
  442.  */
  443. struct drm_auth {
  444.         drm_magic_t magic;
  445. };
  446.  
  447. /**
  448.  * DRM_IOCTL_IRQ_BUSID ioctl argument type.
  449.  *
  450.  * \sa drmGetInterruptFromBusID().
  451.  */
  452. struct drm_irq_busid {
  453.         int irq;        /**< IRQ number */
  454.         int busnum;     /**< bus number */
  455.         int devnum;     /**< device number */
  456.         int funcnum;    /**< function number */
  457. };
  458.  
  459. enum drm_vblank_seq_type {
  460.         _DRM_VBLANK_ABSOLUTE = 0x0,     /**< Wait for specific vblank sequence number */
  461.         _DRM_VBLANK_RELATIVE = 0x1,     /**< Wait for given number of vblanks */
  462.         _DRM_VBLANK_EVENT = 0x4000000,   /**< Send event instead of blocking */
  463.         _DRM_VBLANK_FLIP = 0x8000000,   /**< Scheduled buffer swap should flip */
  464.         _DRM_VBLANK_NEXTONMISS = 0x10000000,    /**< If missed, wait for next vblank */
  465.         _DRM_VBLANK_SECONDARY = 0x20000000,     /**< Secondary display controller */
  466.         _DRM_VBLANK_SIGNAL = 0x40000000 /**< Send signal instead of blocking, unsupported */
  467. };
  468.  
  469. #define _DRM_VBLANK_TYPES_MASK (_DRM_VBLANK_ABSOLUTE | _DRM_VBLANK_RELATIVE)
  470. #define _DRM_VBLANK_FLAGS_MASK (_DRM_VBLANK_EVENT | _DRM_VBLANK_SIGNAL | \
  471.                                 _DRM_VBLANK_SECONDARY | _DRM_VBLANK_NEXTONMISS)
  472.  
  473. struct drm_wait_vblank_request {
  474.         enum drm_vblank_seq_type type;
  475.         unsigned int sequence;
  476.         unsigned long signal;
  477. };
  478.  
  479. struct drm_wait_vblank_reply {
  480.         enum drm_vblank_seq_type type;
  481.         unsigned int sequence;
  482.         long tval_sec;
  483.         long tval_usec;
  484. };
  485.  
  486. /**
  487.  * DRM_IOCTL_WAIT_VBLANK ioctl argument type.
  488.  *
  489.  * \sa drmWaitVBlank().
  490.  */
  491. union drm_wait_vblank {
  492.         struct drm_wait_vblank_request request;
  493.         struct drm_wait_vblank_reply reply;
  494. };
  495.  
  496. #define _DRM_PRE_MODESET 1
  497. #define _DRM_POST_MODESET 2
  498.  
  499. /**
  500.  * DRM_IOCTL_MODESET_CTL ioctl argument type
  501.  *
  502.  * \sa drmModesetCtl().
  503.  */
  504. struct drm_modeset_ctl {
  505.         __u32 crtc;
  506.         __u32 cmd;
  507. };
  508.  
  509. /**
  510.  * DRM_IOCTL_AGP_ENABLE ioctl argument type.
  511.  *
  512.  * \sa drmAgpEnable().
  513.  */
  514. struct drm_agp_mode {
  515.         unsigned long mode;     /**< AGP mode */
  516. };
  517.  
  518. /**
  519.  * DRM_IOCTL_AGP_ALLOC and DRM_IOCTL_AGP_FREE ioctls argument type.
  520.  *
  521.  * \sa drmAgpAlloc() and drmAgpFree().
  522.  */
  523. struct drm_agp_buffer {
  524.         unsigned long size;     /**< In bytes -- will round to page boundary */
  525.         unsigned long handle;   /**< Used for binding / unbinding */
  526.         unsigned long type;     /**< Type of memory to allocate */
  527.         unsigned long physical; /**< Physical used by i810 */
  528. };
  529.  
  530. /**
  531.  * DRM_IOCTL_AGP_BIND and DRM_IOCTL_AGP_UNBIND ioctls argument type.
  532.  *
  533.  * \sa drmAgpBind() and drmAgpUnbind().
  534.  */
  535. struct drm_agp_binding {
  536.         unsigned long handle;   /**< From drm_agp_buffer */
  537.         unsigned long offset;   /**< In bytes -- will round to page boundary */
  538. };
  539.  
  540. /**
  541.  * DRM_IOCTL_AGP_INFO ioctl argument type.
  542.  *
  543.  * \sa drmAgpVersionMajor(), drmAgpVersionMinor(), drmAgpGetMode(),
  544.  * drmAgpBase(), drmAgpSize(), drmAgpMemoryUsed(), drmAgpMemoryAvail(),
  545.  * drmAgpVendorId() and drmAgpDeviceId().
  546.  */
  547. struct drm_agp_info {
  548.         int agp_version_major;
  549.         int agp_version_minor;
  550.         unsigned long mode;
  551.         unsigned long aperture_base;    /* physical address */
  552.         unsigned long aperture_size;    /* bytes */
  553.         unsigned long memory_allowed;   /* bytes */
  554.         unsigned long memory_used;
  555.  
  556.         /* PCI information */
  557.         unsigned short id_vendor;
  558.         unsigned short id_device;
  559. };
  560.  
  561. /**
  562.  * DRM_IOCTL_SG_ALLOC ioctl argument type.
  563.  */
  564. struct drm_scatter_gather {
  565.         unsigned long size;     /**< In bytes -- will round to page boundary */
  566.         unsigned long handle;   /**< Used for mapping / unmapping */
  567. };
  568.  
  569. /**
  570.  * DRM_IOCTL_SET_VERSION ioctl argument type.
  571.  */
  572. struct drm_set_version {
  573.         int drm_di_major;
  574.         int drm_di_minor;
  575.         int drm_dd_major;
  576.         int drm_dd_minor;
  577. };
  578.  
  579. /** DRM_IOCTL_GEM_CLOSE ioctl argument type */
  580. struct drm_gem_close {
  581.         /** Handle of the object to be closed. */
  582.         __u32 handle;
  583.         __u32 pad;
  584. };
  585.  
  586. /** DRM_IOCTL_GEM_FLINK ioctl argument type */
  587. struct drm_gem_flink {
  588.         /** Handle for the object being named */
  589.         __u32 handle;
  590.  
  591.         /** Returned global name */
  592.         __u32 name;
  593. };
  594.  
  595. /** DRM_IOCTL_GEM_OPEN ioctl argument type */
  596. struct drm_gem_open {
  597.         /** Name of object being opened */
  598.         __u32 name;
  599.  
  600.         /** Returned handle for the object */
  601.         __u32 handle;
  602.  
  603.         /** Returned size of the object */
  604.         __u64 size;
  605. };
  606.  
  607. /** DRM_IOCTL_GET_CAP ioctl argument type */
  608. struct drm_get_cap {
  609.         __u64 capability;
  610.         __u64 value;
  611. };
  612.  
  613. /**
  614.  * DRM_CLIENT_CAP_STEREO_3D
  615.  *
  616.  * if set to 1, the DRM core will expose the stereo 3D capabilities of the
  617.  * monitor by advertising the supported 3D layouts in the flags of struct
  618.  * drm_mode_modeinfo.
  619.  */
  620. #define DRM_CLIENT_CAP_STEREO_3D        1
  621.  
  622. /**
  623.  * DRM_CLIENT_CAP_UNIVERSAL_PLANES
  624.  *
  625.  * if set to 1, the DRM core will expose the full universal plane list
  626.  * (including primary and cursor planes).
  627.  */
  628. #define DRM_CLIENT_CAP_UNIVERSAL_PLANES 2
  629.  
  630. /** DRM_IOCTL_SET_CLIENT_CAP ioctl argument type */
  631. struct drm_set_client_cap {
  632.         __u64 capability;
  633.         __u64 value;
  634. };
  635.  
  636. #define DRM_CLOEXEC O_CLOEXEC
  637. struct drm_prime_handle {
  638.         __u32 handle;
  639.  
  640.         /** Flags.. only applicable for handle->fd */
  641.         __u32 flags;
  642.  
  643.         /** Returned dmabuf file descriptor */
  644.         __s32 fd;
  645. };
  646.  
  647. #define SRV_GET_PCI_INFO                20
  648. #define SRV_I915_GET_PARAM              21
  649. #define SRV_I915_GEM_CREATE             22
  650. #define SRV_DRM_GEM_CLOSE               23
  651. #define SRV_DRM_GEM_FLINK               24
  652. #define SRV_DRM_GEM_OPEN                25
  653. #define SRV_I915_GEM_PIN                26
  654. #define SRV_I915_GEM_UNPIN              27
  655. #define SRV_I915_GEM_GET_CACHING        28
  656. #define SRV_I915_GEM_SET_CACHING        29
  657. #define SRV_I915_GEM_PWRITE             30
  658. #define SRV_I915_GEM_BUSY               31
  659. #define SRV_I915_GEM_SET_DOMAIN         32
  660. #define SRV_I915_GEM_MMAP               33
  661. #define SRV_I915_GEM_SET_TILING         34
  662. #define SRV_I915_GEM_GET_TILING         35
  663. #define SRV_I915_GEM_GET_APERTURE       36
  664. #define SRV_I915_GEM_MMAP_GTT           37
  665. #define SRV_I915_GEM_THROTTLE           38
  666. #define SRV_I915_GEM_EXECBUFFER2        39
  667. #define SRV_I915_GEM_WAIT               40
  668. #define SRV_I915_GEM_CONTEXT_CREATE     41
  669. #define SRV_I915_GEM_CONTEXT_DESTROY    42
  670. #define SRV_I915_REG_READ               43
  671.  
  672. #define SRV_FBINFO                      44
  673. #define SRV_MASK_UPDATE                 45
  674. #define SRV_MASK_UPDATE_EX              46
  675.  
  676.  
  677.  
  678. #include "drm_mode.h"
  679.  
  680. #define DRM_IOCTL_BASE                  'd'
  681. #define DRM_IO(nr)              _IO(DRM_IOCTL_BASE,nr)
  682. #define DRM_IOR(nr,type)                _IOR(DRM_IOCTL_BASE,nr,type)
  683. #define DRM_IOW(nr,type)                _IOW(DRM_IOCTL_BASE,nr,type)
  684. #define DRM_IOWR(nr,type)               _IOWR(DRM_IOCTL_BASE,nr,type)
  685.  
  686. #define DRM_IOCTL_VERSION
  687. #define DRM_IOCTL_GET_UNIQUE
  688. #define DRM_IOCTL_GET_MAGIC
  689. #define DRM_IOCTL_IRQ_BUSID
  690. #define DRM_IOCTL_GET_MAP
  691. #define DRM_IOCTL_GET_CLIENT
  692. #define DRM_IOCTL_GET_STATS
  693. #define DRM_IOCTL_SET_VERSION
  694. #define DRM_IOCTL_MODESET_CTL
  695. #define DRM_IOCTL_GEM_CLOSE     SRV_DRM_GEM_CLOSE
  696. #define DRM_IOCTL_GEM_FLINK     SRV_DRM_GEM_FLINK
  697. #define DRM_IOCTL_GEM_OPEN      SRV_DRM_GEM_OPEN
  698. #define DRM_IOCTL_GET_CAP
  699. #define DRM_IOCTL_SET_CLIENT_CAP
  700.  
  701. #define DRM_IOCTL_SET_UNIQUE
  702. #define DRM_IOCTL_AUTH_MAGIC
  703. #define DRM_IOCTL_BLOCK
  704. #define DRM_IOCTL_UNBLOCK
  705. #define DRM_IOCTL_CONTROL
  706. #define DRM_IOCTL_ADD_MAP
  707. #define DRM_IOCTL_ADD_BUFS
  708. #define DRM_IOCTL_MARK_BUFS
  709. #define DRM_IOCTL_INFO_BUFS
  710. #define DRM_IOCTL_MAP_BUFS
  711. #define DRM_IOCTL_FREE_BUFS
  712.  
  713. #define DRM_IOCTL_RM_MAP
  714.  
  715. #define DRM_IOCTL_SET_SAREA_CTX
  716. #define DRM_IOCTL_GET_SAREA_CTX
  717.  
  718. #define DRM_IOCTL_SET_MASTER
  719. #define DRM_IOCTL_DROP_MASTER
  720.  
  721. #define DRM_IOCTL_ADD_CTX
  722. #define DRM_IOCTL_RM_CTX
  723. #define DRM_IOCTL_MOD_CTX
  724. #define DRM_IOCTL_GET_CTX
  725. #define DRM_IOCTL_SWITCH_CTX
  726. #define DRM_IOCTL_NEW_CTX
  727. #define DRM_IOCTL_RES_CTX
  728. #define DRM_IOCTL_ADD_DRAW
  729. #define DRM_IOCTL_RM_DRAW
  730. #define DRM_IOCTL_DMA
  731. #define DRM_IOCTL_LOCK
  732. #define DRM_IOCTL_UNLOCK
  733. #define DRM_IOCTL_FINISH
  734.  
  735. #define DRM_IOCTL_PRIME_HANDLE_TO_FD
  736. #define DRM_IOCTL_PRIME_FD_TO_HANDLE
  737.  
  738. #define DRM_IOCTL_AGP_ACQUIRE
  739. #define DRM_IOCTL_AGP_RELEASE
  740. #define DRM_IOCTL_AGP_ENABLE
  741. #define DRM_IOCTL_AGP_INFO
  742. #define DRM_IOCTL_AGP_ALLOC
  743. #define DRM_IOCTL_AGP_FREE
  744. #define DRM_IOCTL_AGP_BIND
  745. #define DRM_IOCTL_AGP_UNBIND
  746.  
  747. #define DRM_IOCTL_SG_ALLOC
  748. #define DRM_IOCTL_SG_FREE
  749.  
  750. #define DRM_IOCTL_WAIT_VBLANK
  751.  
  752. #define DRM_IOCTL_UPDATE_DRAW
  753.  
  754. #define DRM_IOCTL_MODE_GETRESOURCES
  755. #define DRM_IOCTL_MODE_GETCRTC
  756. #define DRM_IOCTL_MODE_SETCRTC
  757. #define DRM_IOCTL_MODE_CURSOR
  758. #define DRM_IOCTL_MODE_GETGAMMA
  759. #define DRM_IOCTL_MODE_SETGAMMA
  760. #define DRM_IOCTL_MODE_GETENCODER
  761. #define DRM_IOCTL_MODE_GETCONNECTOR
  762. #define DRM_IOCTL_MODE_ATTACHMODE
  763. #define DRM_IOCTL_MODE_DETACHMODE
  764.  
  765. #define DRM_IOCTL_MODE_GETPROPERTY
  766. #define DRM_IOCTL_MODE_SETPROPERTY
  767. #define DRM_IOCTL_MODE_GETPROPBLOB
  768. #define DRM_IOCTL_MODE_GETFB
  769. #define DRM_IOCTL_MODE_ADDFB
  770. #define DRM_IOCTL_MODE_RMFB
  771. #define DRM_IOCTL_MODE_PAGE_FLIP
  772. #define DRM_IOCTL_MODE_DIRTYFB
  773.  
  774. #define DRM_IOCTL_MODE_CREATE_DUMB
  775. #define DRM_IOCTL_MODE_MAP_DUMB
  776. #define DRM_IOCTL_MODE_DESTROY_DUMB
  777. #define DRM_IOCTL_MODE_GETPLANERESOURCES
  778. #define DRM_IOCTL_MODE_GETPLANE
  779. #define DRM_IOCTL_MODE_SETPLANE
  780. #define DRM_IOCTL_MODE_ADDFB2
  781. #define DRM_IOCTL_MODE_OBJ_GETPROPERTIES
  782. #define DRM_IOCTL_MODE_OBJ_SETPROPERTY
  783. #define DRM_IOCTL_MODE_CURSOR2
  784.  
  785. /**
  786.  * Device specific ioctls should only be in their respective headers
  787.  * The device specific ioctl range is from 0x40 to 0x99.
  788.  * Generic IOCTLS restart at 0xA0.
  789.  *
  790.  * \sa drmCommandNone(), drmCommandRead(), drmCommandWrite(), and
  791.  * drmCommandReadWrite().
  792.  */
  793. #define DRM_COMMAND_BASE                0x40
  794. #define DRM_COMMAND_END                 0xA0
  795.  
  796. /**
  797.  * Header for events written back to userspace on the drm fd.  The
  798.  * type defines the type of event, the length specifies the total
  799.  * length of the event (including the header), and user_data is
  800.  * typically a 64 bit value passed with the ioctl that triggered the
  801.  * event.  A read on the drm fd will always only return complete
  802.  * events, that is, if for example the read buffer is 100 bytes, and
  803.  * there are two 64 byte events pending, only one will be returned.
  804.  *
  805.  * Event types 0 - 0x7fffffff are generic drm events, 0x80000000 and
  806.  * up are chipset specific.
  807.  */
  808. struct drm_event {
  809.         __u32 type;
  810.         __u32 length;
  811. };
  812.  
  813. #define DRM_EVENT_VBLANK 0x01
  814. #define DRM_EVENT_FLIP_COMPLETE 0x02
  815.  
  816. struct drm_event_vblank {
  817.         struct drm_event base;
  818.         __u64 user_data;
  819.         __u32 tv_sec;
  820.         __u32 tv_usec;
  821.         __u32 sequence;
  822.         __u32 reserved;
  823. };
  824.  
  825. #define DRM_CAP_DUMB_BUFFER 0x1
  826. #define DRM_CAP_VBLANK_HIGH_CRTC   0x2
  827. #define DRM_CAP_DUMB_PREFERRED_DEPTH 0x3
  828. #define DRM_CAP_DUMB_PREFER_SHADOW 0x4
  829. #define DRM_CAP_PRIME 0x5
  830. #define DRM_CAP_TIMESTAMP_MONOTONIC 0x6
  831. #define DRM_CAP_ASYNC_PAGE_FLIP 0x7
  832.  
  833. #define DRM_PRIME_CAP_IMPORT 0x1
  834. #define DRM_PRIME_CAP_EXPORT 0x2
  835.  
  836. /* typedef area */
  837. typedef struct drm_clip_rect drm_clip_rect_t;
  838. typedef struct drm_drawable_info drm_drawable_info_t;
  839. typedef struct drm_tex_region drm_tex_region_t;
  840. typedef struct drm_hw_lock drm_hw_lock_t;
  841. typedef struct drm_version drm_version_t;
  842. typedef struct drm_unique drm_unique_t;
  843. typedef struct drm_list drm_list_t;
  844. typedef struct drm_block drm_block_t;
  845. typedef struct drm_control drm_control_t;
  846. typedef enum drm_map_type drm_map_type_t;
  847. typedef enum drm_map_flags drm_map_flags_t;
  848. typedef struct drm_ctx_priv_map drm_ctx_priv_map_t;
  849. typedef struct drm_map drm_map_t;
  850. typedef struct drm_client drm_client_t;
  851. typedef enum drm_stat_type drm_stat_type_t;
  852. typedef struct drm_stats drm_stats_t;
  853. typedef enum drm_lock_flags drm_lock_flags_t;
  854. typedef struct drm_lock drm_lock_t;
  855. typedef enum drm_dma_flags drm_dma_flags_t;
  856. typedef struct drm_buf_desc drm_buf_desc_t;
  857. typedef struct drm_buf_info drm_buf_info_t;
  858. typedef struct drm_buf_free drm_buf_free_t;
  859. typedef struct drm_buf_pub drm_buf_pub_t;
  860. typedef struct drm_buf_map drm_buf_map_t;
  861. typedef struct drm_dma drm_dma_t;
  862. typedef union drm_wait_vblank drm_wait_vblank_t;
  863. typedef struct drm_agp_mode drm_agp_mode_t;
  864. typedef enum drm_ctx_flags drm_ctx_flags_t;
  865. typedef struct drm_ctx drm_ctx_t;
  866. typedef struct drm_ctx_res drm_ctx_res_t;
  867. typedef struct drm_draw drm_draw_t;
  868. typedef struct drm_update_draw drm_update_draw_t;
  869. typedef struct drm_auth drm_auth_t;
  870. typedef struct drm_irq_busid drm_irq_busid_t;
  871. typedef enum drm_vblank_seq_type drm_vblank_seq_type_t;
  872.  
  873. typedef struct drm_agp_buffer drm_agp_buffer_t;
  874. typedef struct drm_agp_binding drm_agp_binding_t;
  875. typedef struct drm_agp_info drm_agp_info_t;
  876. typedef struct drm_scatter_gather drm_scatter_gather_t;
  877. typedef struct drm_set_version drm_set_version_t;
  878.  
  879. int drmIoctl(int fd, unsigned long request, void *arg);
  880.  
  881. #endif
  882.