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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. #if defined(__KERNEL__) || defined(__linux__)
  40.  
  41. #include <linux/types.h>
  42. #include <asm/ioctl.h>
  43. typedef unsigned int drm_handle_t;
  44.  
  45. #else /* One of the BSDs */
  46.  
  47. #include <sys/ioccom.h>
  48. #include <sys/types.h>
  49. typedef int8_t   __s8;
  50. typedef uint8_t  __u8;
  51. typedef int16_t  __s16;
  52. typedef uint16_t __u16;
  53. typedef int32_t  __s32;
  54. typedef uint32_t __u32;
  55. typedef int64_t  __s64;
  56. typedef uint64_t __u64;
  57. typedef size_t   __kernel_size_t;
  58. typedef unsigned long drm_handle_t;
  59.  
  60. #endif
  61.  
  62. #define DRM_NAME        "drm"     /**< Name in kernel, /dev, and /proc */
  63. #define DRM_MIN_ORDER   5         /**< At least 2^5 bytes = 32 bytes */
  64. #define DRM_MAX_ORDER   22        /**< Up to 2^22 bytes = 4MB */
  65. #define DRM_RAM_PERCENT 10        /**< How much system ram can we lock? */
  66.  
  67. #define _DRM_LOCK_HELD  0x80000000U /**< Hardware lock is held */
  68. #define _DRM_LOCK_CONT  0x40000000U /**< Hardware lock is contended */
  69. #define _DRM_LOCK_IS_HELD(lock)    ((lock) & _DRM_LOCK_HELD)
  70. #define _DRM_LOCK_IS_CONT(lock)    ((lock) & _DRM_LOCK_CONT)
  71. #define _DRM_LOCKING_CONTEXT(lock) ((lock) & ~(_DRM_LOCK_HELD|_DRM_LOCK_CONT))
  72.  
  73. typedef unsigned int drm_context_t;
  74. typedef unsigned int drm_drawable_t;
  75. typedef unsigned int drm_magic_t;
  76.  
  77. /**
  78.  * Cliprect.
  79.  *
  80.  * \warning: If you change this structure, make sure you change
  81.  * XF86DRIClipRectRec in the server as well
  82.  *
  83.  * \note KW: Actually it's illegal to change either for
  84.  * backwards-compatibility reasons.
  85.  */
  86. struct drm_clip_rect {
  87.         unsigned short x1;
  88.         unsigned short y1;
  89.         unsigned short x2;
  90.         unsigned short y2;
  91. };
  92.  
  93. /**
  94.  * Drawable information.
  95.  */
  96. struct drm_drawable_info {
  97.         unsigned int num_rects;
  98.         struct drm_clip_rect *rects;
  99. };
  100.  
  101. /**
  102.  * Texture region,
  103.  */
  104. struct drm_tex_region {
  105.         unsigned char next;
  106.         unsigned char prev;
  107.         unsigned char in_use;
  108.         unsigned char padding;
  109.         unsigned int age;
  110. };
  111.  
  112. /**
  113.  * Hardware lock.
  114.  *
  115.  * The lock structure is a simple cache-line aligned integer.  To avoid
  116.  * processor bus contention on a multiprocessor system, there should not be any
  117.  * other data stored in the same cache line.
  118.  */
  119. struct drm_hw_lock {
  120.         __volatile__ unsigned int lock;         /**< lock variable */
  121.         char padding[60];                       /**< Pad to cache line */
  122. };
  123.  
  124. /**
  125.  * DRM_IOCTL_VERSION ioctl argument type.
  126.  *
  127.  * \sa drmGetVersion().
  128.  */
  129. struct drm_version {
  130.         int version_major;        /**< Major version */
  131.         int version_minor;        /**< Minor version */
  132.         int version_patchlevel;   /**< Patch level */
  133.         __kernel_size_t name_len;         /**< Length of name buffer */
  134.         char __user *name;        /**< Name of driver */
  135.         __kernel_size_t date_len;         /**< Length of date buffer */
  136.         char __user *date;        /**< User-space buffer to hold date */
  137.         __kernel_size_t desc_len;         /**< Length of desc buffer */
  138.         char __user *desc;        /**< User-space buffer to hold desc */
  139. };
  140.  
  141. /**
  142.  * DRM_IOCTL_GET_UNIQUE ioctl argument type.
  143.  *
  144.  * \sa drmGetBusid() and drmSetBusId().
  145.  */
  146. struct drm_unique {
  147.         __kernel_size_t unique_len;       /**< Length of unique */
  148.         char __user *unique;      /**< Unique name for driver instantiation */
  149. };
  150.  
  151. struct drm_list {
  152.         int count;                /**< Length of user-space structures */
  153.         struct drm_version __user *version;
  154. };
  155.  
  156. struct drm_block {
  157.         int unused;
  158. };
  159.  
  160. /**
  161.  * DRM_IOCTL_CONTROL ioctl argument type.
  162.  *
  163.  * \sa drmCtlInstHandler() and drmCtlUninstHandler().
  164.  */
  165. struct drm_control {
  166.         enum {
  167.                 DRM_ADD_COMMAND,
  168.                 DRM_RM_COMMAND,
  169.                 DRM_INST_HANDLER,
  170.                 DRM_UNINST_HANDLER
  171.         } func;
  172.         int irq;
  173. };
  174.  
  175. /**
  176.  * Type of memory to map.
  177.  */
  178. enum drm_map_type {
  179.         _DRM_FRAME_BUFFER = 0,    /**< WC (no caching), no core dump */
  180.         _DRM_REGISTERS = 1,       /**< no caching, no core dump */
  181.         _DRM_SHM = 2,             /**< shared, cached */
  182.         _DRM_AGP = 3,             /**< AGP/GART */
  183.         _DRM_SCATTER_GATHER = 4,  /**< Scatter/gather memory for PCI DMA */
  184.         _DRM_CONSISTENT = 5,      /**< Consistent memory for PCI DMA */
  185. };
  186.  
  187. /**
  188.  * Memory mapping flags.
  189.  */
  190. enum drm_map_flags {
  191.         _DRM_RESTRICTED = 0x01,      /**< Cannot be mapped to user-virtual */
  192.         _DRM_READ_ONLY = 0x02,
  193.         _DRM_LOCKED = 0x04,          /**< shared, cached, locked */
  194.         _DRM_KERNEL = 0x08,          /**< kernel requires access */
  195.         _DRM_WRITE_COMBINING = 0x10, /**< use write-combining if available */
  196.         _DRM_CONTAINS_LOCK = 0x20,   /**< SHM page that contains lock */
  197.         _DRM_REMOVABLE = 0x40,       /**< Removable mapping */
  198.         _DRM_DRIVER = 0x80           /**< Managed by driver */
  199. };
  200.  
  201. struct drm_ctx_priv_map {
  202.         unsigned int ctx_id;     /**< Context requesting private mapping */
  203.         void *handle;            /**< Handle of map */
  204. };
  205.  
  206. /**
  207.  * DRM_IOCTL_GET_MAP, DRM_IOCTL_ADD_MAP and DRM_IOCTL_RM_MAP ioctls
  208.  * argument type.
  209.  *
  210.  * \sa drmAddMap().
  211.  */
  212. struct drm_map {
  213.         unsigned long offset;    /**< Requested physical address (0 for SAREA)*/
  214.         unsigned long size;      /**< Requested physical size (bytes) */
  215.         enum drm_map_type type;  /**< Type of memory to map */
  216.         enum drm_map_flags flags;        /**< Flags */
  217.         void *handle;            /**< User-space: "Handle" to pass to mmap() */
  218.                                  /**< Kernel-space: kernel-virtual address */
  219.         int mtrr;                /**< MTRR slot used */
  220.         /*   Private data */
  221. };
  222.  
  223. /**
  224.  * DRM_IOCTL_GET_CLIENT ioctl argument type.
  225.  */
  226. struct drm_client {
  227.         int idx;                /**< Which client desired? */
  228.         int auth;               /**< Is client authenticated? */
  229.         unsigned long pid;      /**< Process ID */
  230.         unsigned long uid;      /**< User ID */
  231.         unsigned long magic;    /**< Magic */
  232.         unsigned long iocs;     /**< Ioctl count */
  233. };
  234.  
  235. enum drm_stat_type {
  236.         _DRM_STAT_LOCK,
  237.         _DRM_STAT_OPENS,
  238.         _DRM_STAT_CLOSES,
  239.         _DRM_STAT_IOCTLS,
  240.         _DRM_STAT_LOCKS,
  241.         _DRM_STAT_UNLOCKS,
  242.         _DRM_STAT_VALUE,        /**< Generic value */
  243.         _DRM_STAT_BYTE,         /**< Generic byte counter (1024bytes/K) */
  244.         _DRM_STAT_COUNT,        /**< Generic non-byte counter (1000/k) */
  245.  
  246.         _DRM_STAT_IRQ,          /**< IRQ */
  247.         _DRM_STAT_PRIMARY,      /**< Primary DMA bytes */
  248.         _DRM_STAT_SECONDARY,    /**< Secondary DMA bytes */
  249.         _DRM_STAT_DMA,          /**< DMA */
  250.         _DRM_STAT_SPECIAL,      /**< Special DMA (e.g., priority or polled) */
  251.         _DRM_STAT_MISSED        /**< Missed DMA opportunity */
  252.             /* Add to the *END* of the list */
  253. };
  254.  
  255. /**
  256.  * DRM_IOCTL_GET_STATS ioctl argument type.
  257.  */
  258. struct drm_stats {
  259.         unsigned long count;
  260.         struct {
  261.                 unsigned long value;
  262.                 enum drm_stat_type type;
  263.         } data[15];
  264. };
  265.  
  266. /**
  267.  * Hardware locking flags.
  268.  */
  269. enum drm_lock_flags {
  270.         _DRM_LOCK_READY = 0x01,      /**< Wait until hardware is ready for DMA */
  271.         _DRM_LOCK_QUIESCENT = 0x02,  /**< Wait until hardware quiescent */
  272.         _DRM_LOCK_FLUSH = 0x04,      /**< Flush this context's DMA queue first */
  273.         _DRM_LOCK_FLUSH_ALL = 0x08,  /**< Flush all DMA queues first */
  274.         /* These *HALT* flags aren't supported yet
  275.            -- they will be used to support the
  276.            full-screen DGA-like mode. */
  277.         _DRM_HALT_ALL_QUEUES = 0x10, /**< Halt all current and future queues */
  278.         _DRM_HALT_CUR_QUEUES = 0x20  /**< Halt all current queues */
  279. };
  280.  
  281. /**
  282.  * DRM_IOCTL_LOCK, DRM_IOCTL_UNLOCK and DRM_IOCTL_FINISH ioctl argument type.
  283.  *
  284.  * \sa drmGetLock() and drmUnlock().
  285.  */
  286. struct drm_lock {
  287.         int context;
  288.         enum drm_lock_flags flags;
  289. };
  290.  
  291. /**
  292.  * DMA flags
  293.  *
  294.  * \warning
  295.  * These values \e must match xf86drm.h.
  296.  *
  297.  * \sa drm_dma.
  298.  */
  299. enum drm_dma_flags {
  300.         /* Flags for DMA buffer dispatch */
  301.         _DRM_DMA_BLOCK = 0x01,        /**<
  302.                                        * Block until buffer dispatched.
  303.                                        *
  304.                                        * \note The buffer may not yet have
  305.                                        * been processed by the hardware --
  306.                                        * getting a hardware lock with the
  307.                                        * hardware quiescent will ensure
  308.                                        * that the buffer has been
  309.                                        * processed.
  310.                                        */
  311.         _DRM_DMA_WHILE_LOCKED = 0x02, /**< Dispatch while lock held */
  312.         _DRM_DMA_PRIORITY = 0x04,     /**< High priority dispatch */
  313.  
  314.         /* Flags for DMA buffer request */
  315.         _DRM_DMA_WAIT = 0x10,         /**< Wait for free buffers */
  316.         _DRM_DMA_SMALLER_OK = 0x20,   /**< Smaller-than-requested buffers OK */
  317.         _DRM_DMA_LARGER_OK = 0x40     /**< Larger-than-requested buffers OK */
  318. };
  319.  
  320. /**
  321.  * DRM_IOCTL_ADD_BUFS and DRM_IOCTL_MARK_BUFS ioctl argument type.
  322.  *
  323.  * \sa drmAddBufs().
  324.  */
  325. struct drm_buf_desc {
  326.         int count;               /**< Number of buffers of this size */
  327.         int size;                /**< Size in bytes */
  328.         int low_mark;            /**< Low water mark */
  329.         int high_mark;           /**< High water mark */
  330.         enum {
  331.                 _DRM_PAGE_ALIGN = 0x01, /**< Align on page boundaries for DMA */
  332.                 _DRM_AGP_BUFFER = 0x02, /**< Buffer is in AGP space */
  333.                 _DRM_SG_BUFFER = 0x04/**< Scatter/gather memory buffer */
  334.                 _DRM_FB_BUFFER = 0x08/**< Buffer is in frame buffer */
  335.                 _DRM_PCI_BUFFER_RO = 0x10 /**< Map PCI DMA buffer read-only */
  336.         } flags;
  337.         unsigned long agp_start; /**<
  338.                                   * Start address of where the AGP buffers are
  339.                                   * in the AGP aperture
  340.                                   */
  341. };
  342.  
  343. /**
  344.  * DRM_IOCTL_INFO_BUFS ioctl argument type.
  345.  */
  346. struct drm_buf_info {
  347.         int count;              /**< Entries in list */
  348.         struct drm_buf_desc __user *list;
  349. };
  350.  
  351. /**
  352.  * DRM_IOCTL_FREE_BUFS ioctl argument type.
  353.  */
  354. struct drm_buf_free {
  355.         int count;
  356.         int __user *list;
  357. };
  358.  
  359. /**
  360.  * Buffer information
  361.  *
  362.  * \sa drm_buf_map.
  363.  */
  364. struct drm_buf_pub {
  365.         int idx;                       /**< Index into the master buffer list */
  366.         int total;                     /**< Buffer size */
  367.         int used;                      /**< Amount of buffer in use (for DMA) */
  368.         void __user *address;          /**< Address of buffer */
  369. };
  370.  
  371. /**
  372.  * DRM_IOCTL_MAP_BUFS ioctl argument type.
  373.  */
  374. struct drm_buf_map {
  375.         int count;              /**< Length of the buffer list */
  376.         void __user *virtual;           /**< Mmap'd area in user-virtual */
  377.         struct drm_buf_pub __user *list;        /**< Buffer information */
  378. };
  379.  
  380. /**
  381.  * DRM_IOCTL_DMA ioctl argument type.
  382.  *
  383.  * Indices here refer to the offset into the buffer list in drm_buf_get.
  384.  *
  385.  * \sa drmDMA().
  386.  */
  387. struct drm_dma {
  388.         int context;                      /**< Context handle */
  389.         int send_count;                   /**< Number of buffers to send */
  390.         int __user *send_indices;         /**< List of handles to buffers */
  391.         int __user *send_sizes;           /**< Lengths of data to send */
  392.         enum drm_dma_flags flags;         /**< Flags */
  393.         int request_count;                /**< Number of buffers requested */
  394.         int request_size;                 /**< Desired size for buffers */
  395.         int __user *request_indices;      /**< Buffer information */
  396.         int __user *request_sizes;
  397.         int granted_count;                /**< Number of buffers granted */
  398. };
  399.  
  400. enum drm_ctx_flags {
  401.         _DRM_CONTEXT_PRESERVED = 0x01,
  402.         _DRM_CONTEXT_2DONLY = 0x02
  403. };
  404.  
  405. /**
  406.  * DRM_IOCTL_ADD_CTX ioctl argument type.
  407.  *
  408.  * \sa drmCreateContext() and drmDestroyContext().
  409.  */
  410. struct drm_ctx {
  411.         drm_context_t handle;
  412.         enum drm_ctx_flags flags;
  413. };
  414.  
  415. /**
  416.  * DRM_IOCTL_RES_CTX ioctl argument type.
  417.  */
  418. struct drm_ctx_res {
  419.         int count;
  420.         struct drm_ctx __user *contexts;
  421. };
  422.  
  423. /**
  424.  * DRM_IOCTL_ADD_DRAW and DRM_IOCTL_RM_DRAW ioctl argument type.
  425.  */
  426. struct drm_draw {
  427.         drm_drawable_t handle;
  428. };
  429.  
  430. /**
  431.  * DRM_IOCTL_UPDATE_DRAW ioctl argument type.
  432.  */
  433. typedef enum {
  434.         DRM_DRAWABLE_CLIPRECTS,
  435. } drm_drawable_info_type_t;
  436.  
  437. struct drm_update_draw {
  438.         drm_drawable_t handle;
  439.         unsigned int type;
  440.         unsigned int num;
  441.         unsigned long long data;
  442. };
  443.  
  444. /**
  445.  * DRM_IOCTL_GET_MAGIC and DRM_IOCTL_AUTH_MAGIC ioctl argument type.
  446.  */
  447. struct drm_auth {
  448.         drm_magic_t magic;
  449. };
  450.  
  451. /**
  452.  * DRM_IOCTL_IRQ_BUSID ioctl argument type.
  453.  *
  454.  * \sa drmGetInterruptFromBusID().
  455.  */
  456. struct drm_irq_busid {
  457.         int irq;        /**< IRQ number */
  458.         int busnum;     /**< bus number */
  459.         int devnum;     /**< device number */
  460.         int funcnum;    /**< function number */
  461. };
  462.  
  463. enum drm_vblank_seq_type {
  464.         _DRM_VBLANK_ABSOLUTE = 0x0,     /**< Wait for specific vblank sequence number */
  465.         _DRM_VBLANK_RELATIVE = 0x1,     /**< Wait for given number of vblanks */
  466.         /* bits 1-6 are reserved for high crtcs */
  467.         _DRM_VBLANK_HIGH_CRTC_MASK = 0x0000003e,
  468.         _DRM_VBLANK_EVENT = 0x4000000,   /**< Send event instead of blocking */
  469.         _DRM_VBLANK_FLIP = 0x8000000,   /**< Scheduled buffer swap should flip */
  470.         _DRM_VBLANK_NEXTONMISS = 0x10000000,    /**< If missed, wait for next vblank */
  471.         _DRM_VBLANK_SECONDARY = 0x20000000,     /**< Secondary display controller */
  472.         _DRM_VBLANK_SIGNAL = 0x40000000 /**< Send signal instead of blocking, unsupported */
  473. };
  474. #define _DRM_VBLANK_HIGH_CRTC_SHIFT 1
  475.  
  476. #define _DRM_VBLANK_TYPES_MASK (_DRM_VBLANK_ABSOLUTE | _DRM_VBLANK_RELATIVE)
  477. #define _DRM_VBLANK_FLAGS_MASK (_DRM_VBLANK_EVENT | _DRM_VBLANK_SIGNAL | \
  478.                                 _DRM_VBLANK_SECONDARY | _DRM_VBLANK_NEXTONMISS)
  479.  
  480. struct drm_wait_vblank_request {
  481.         enum drm_vblank_seq_type type;
  482.         unsigned int sequence;
  483.         unsigned long signal;
  484. };
  485.  
  486. struct drm_wait_vblank_reply {
  487.         enum drm_vblank_seq_type type;
  488.         unsigned int sequence;
  489.         long tval_sec;
  490.         long tval_usec;
  491. };
  492.  
  493. /**
  494.  * DRM_IOCTL_WAIT_VBLANK ioctl argument type.
  495.  *
  496.  * \sa drmWaitVBlank().
  497.  */
  498. union drm_wait_vblank {
  499.         struct drm_wait_vblank_request request;
  500.         struct drm_wait_vblank_reply reply;
  501. };
  502.  
  503. #define _DRM_PRE_MODESET 1
  504. #define _DRM_POST_MODESET 2
  505.  
  506. /**
  507.  * DRM_IOCTL_MODESET_CTL ioctl argument type
  508.  *
  509.  * \sa drmModesetCtl().
  510.  */
  511. struct drm_modeset_ctl {
  512.         __u32 crtc;
  513.         __u32 cmd;
  514. };
  515.  
  516. /**
  517.  * DRM_IOCTL_AGP_ENABLE ioctl argument type.
  518.  *
  519.  * \sa drmAgpEnable().
  520.  */
  521. struct drm_agp_mode {
  522.         unsigned long mode;     /**< AGP mode */
  523. };
  524.  
  525. /**
  526.  * DRM_IOCTL_AGP_ALLOC and DRM_IOCTL_AGP_FREE ioctls argument type.
  527.  *
  528.  * \sa drmAgpAlloc() and drmAgpFree().
  529.  */
  530. struct drm_agp_buffer {
  531.         unsigned long size;     /**< In bytes -- will round to page boundary */
  532.         unsigned long handle;   /**< Used for binding / unbinding */
  533.         unsigned long type;     /**< Type of memory to allocate */
  534.         unsigned long physical; /**< Physical used by i810 */
  535. };
  536.  
  537. /**
  538.  * DRM_IOCTL_AGP_BIND and DRM_IOCTL_AGP_UNBIND ioctls argument type.
  539.  *
  540.  * \sa drmAgpBind() and drmAgpUnbind().
  541.  */
  542. struct drm_agp_binding {
  543.         unsigned long handle;   /**< From drm_agp_buffer */
  544.         unsigned long offset;   /**< In bytes -- will round to page boundary */
  545. };
  546.  
  547. /**
  548.  * DRM_IOCTL_AGP_INFO ioctl argument type.
  549.  *
  550.  * \sa drmAgpVersionMajor(), drmAgpVersionMinor(), drmAgpGetMode(),
  551.  * drmAgpBase(), drmAgpSize(), drmAgpMemoryUsed(), drmAgpMemoryAvail(),
  552.  * drmAgpVendorId() and drmAgpDeviceId().
  553.  */
  554. struct drm_agp_info {
  555.         int agp_version_major;
  556.         int agp_version_minor;
  557.         unsigned long mode;
  558.         unsigned long aperture_base;    /* physical address */
  559.         unsigned long aperture_size;    /* bytes */
  560.         unsigned long memory_allowed;   /* bytes */
  561.         unsigned long memory_used;
  562.  
  563.         /* PCI information */
  564.         unsigned short id_vendor;
  565.         unsigned short id_device;
  566. };
  567.  
  568. /**
  569.  * DRM_IOCTL_SG_ALLOC ioctl argument type.
  570.  */
  571. struct drm_scatter_gather {
  572.         unsigned long size;     /**< In bytes -- will round to page boundary */
  573.         unsigned long handle;   /**< Used for mapping / unmapping */
  574. };
  575.  
  576. /**
  577.  * DRM_IOCTL_SET_VERSION ioctl argument type.
  578.  */
  579. struct drm_set_version {
  580.         int drm_di_major;
  581.         int drm_di_minor;
  582.         int drm_dd_major;
  583.         int drm_dd_minor;
  584. };
  585.  
  586. /** DRM_IOCTL_GEM_CLOSE ioctl argument type */
  587. struct drm_gem_close {
  588.         /** Handle of the object to be closed. */
  589.         __u32 handle;
  590.         __u32 pad;
  591. };
  592.  
  593. /** DRM_IOCTL_GEM_FLINK ioctl argument type */
  594. struct drm_gem_flink {
  595.         /** Handle for the object being named */
  596.         __u32 handle;
  597.  
  598.         /** Returned global name */
  599.         __u32 name;
  600. };
  601.  
  602. /** DRM_IOCTL_GEM_OPEN ioctl argument type */
  603. struct drm_gem_open {
  604.         /** Name of object being opened */
  605.         __u32 name;
  606.  
  607.         /** Returned handle for the object */
  608.         __u32 handle;
  609.  
  610.         /** Returned size of the object */
  611.         __u64 size;
  612. };
  613.  
  614. #define DRM_CAP_DUMB_BUFFER             0x1
  615. #define DRM_CAP_VBLANK_HIGH_CRTC        0x2
  616. #define DRM_CAP_DUMB_PREFERRED_DEPTH    0x3
  617. #define DRM_CAP_DUMB_PREFER_SHADOW      0x4
  618. #define DRM_CAP_PRIME                   0x5
  619. #define  DRM_PRIME_CAP_IMPORT           0x1
  620. #define  DRM_PRIME_CAP_EXPORT           0x2
  621. #define DRM_CAP_TIMESTAMP_MONOTONIC     0x6
  622. #define DRM_CAP_ASYNC_PAGE_FLIP         0x7
  623. /*
  624.  * The CURSOR_WIDTH and CURSOR_HEIGHT capabilities return a valid widthxheight
  625.  * combination for the hardware cursor. The intention is that a hardware
  626.  * agnostic userspace can query a cursor plane size to use.
  627.  *
  628.  * Note that the cross-driver contract is to merely return a valid size;
  629.  * drivers are free to attach another meaning on top, eg. i915 returns the
  630.  * maximum plane size.
  631.  */
  632. #define DRM_CAP_CURSOR_WIDTH            0x8
  633. #define DRM_CAP_CURSOR_HEIGHT           0x9
  634. #define DRM_CAP_ADDFB2_MODIFIERS        0x10
  635.  
  636. /** DRM_IOCTL_GET_CAP ioctl argument type */
  637. struct drm_get_cap {
  638.         __u64 capability;
  639.         __u64 value;
  640. };
  641.  
  642. /**
  643.  * DRM_CLIENT_CAP_STEREO_3D
  644.  *
  645.  * if set to 1, the DRM core will expose the stereo 3D capabilities of the
  646.  * monitor by advertising the supported 3D layouts in the flags of struct
  647.  * drm_mode_modeinfo.
  648.  */
  649. #define DRM_CLIENT_CAP_STEREO_3D        1
  650.  
  651. /**
  652.  * DRM_CLIENT_CAP_UNIVERSAL_PLANES
  653.  *
  654.  * If set to 1, the DRM core will expose all planes (overlay, primary, and
  655.  * cursor) to userspace.
  656.  */
  657. #define DRM_CLIENT_CAP_UNIVERSAL_PLANES  2
  658.  
  659. /**
  660.  * DRM_CLIENT_CAP_ATOMIC
  661.  *
  662.  * If set to 1, the DRM core will expose atomic properties to userspace
  663.  */
  664. #define DRM_CLIENT_CAP_ATOMIC   3
  665.  
  666. /** DRM_IOCTL_SET_CLIENT_CAP ioctl argument type */
  667. struct drm_set_client_cap {
  668.         __u64 capability;
  669.         __u64 value;
  670. };
  671.  
  672. #define DRM_CLOEXEC O_CLOEXEC
  673. struct drm_prime_handle {
  674.         __u32 handle;
  675.  
  676.         /** Flags.. only applicable for handle->fd */
  677.         __u32 flags;
  678.  
  679.         /** Returned dmabuf file descriptor */
  680.         __s32 fd;
  681. };
  682.  
  683. #include <drm/drm_mode.h>
  684.  
  685. #define DRM_IOCTL_BASE                  'd'
  686. #define DRM_IO(nr)                      _IO(DRM_IOCTL_BASE,nr)
  687. #define DRM_IOR(nr,type)                _IOR(DRM_IOCTL_BASE,nr,type)
  688. #define DRM_IOW(nr,type)                _IOW(DRM_IOCTL_BASE,nr,type)
  689. #define DRM_IOWR(nr,type)               _IOWR(DRM_IOCTL_BASE,nr,type)
  690.  
  691. #define DRM_IOCTL_VERSION               DRM_IOWR(0x00, struct drm_version)
  692. #define DRM_IOCTL_GET_UNIQUE            DRM_IOWR(0x01, struct drm_unique)
  693. #define DRM_IOCTL_GET_MAGIC             DRM_IOR( 0x02, struct drm_auth)
  694. #define DRM_IOCTL_IRQ_BUSID             DRM_IOWR(0x03, struct drm_irq_busid)
  695. #define DRM_IOCTL_GET_MAP               DRM_IOWR(0x04, struct drm_map)
  696. #define DRM_IOCTL_GET_CLIENT            DRM_IOWR(0x05, struct drm_client)
  697. #define DRM_IOCTL_GET_STATS             DRM_IOR( 0x06, struct drm_stats)
  698. #define DRM_IOCTL_SET_VERSION           DRM_IOWR(0x07, struct drm_set_version)
  699. #define DRM_IOCTL_MODESET_CTL           DRM_IOW(0x08, struct drm_modeset_ctl)
  700. #define DRM_IOCTL_GEM_CLOSE             DRM_IOW (0x09, struct drm_gem_close)
  701. #define DRM_IOCTL_GEM_FLINK             DRM_IOWR(0x0a, struct drm_gem_flink)
  702. #define DRM_IOCTL_GEM_OPEN              DRM_IOWR(0x0b, struct drm_gem_open)
  703. #define DRM_IOCTL_GET_CAP               DRM_IOWR(0x0c, struct drm_get_cap)
  704. #define DRM_IOCTL_SET_CLIENT_CAP        DRM_IOW( 0x0d, struct drm_set_client_cap)
  705.  
  706. #define DRM_IOCTL_SET_UNIQUE            DRM_IOW( 0x10, struct drm_unique)
  707. #define DRM_IOCTL_AUTH_MAGIC            DRM_IOW( 0x11, struct drm_auth)
  708. #define DRM_IOCTL_BLOCK                 DRM_IOWR(0x12, struct drm_block)
  709. #define DRM_IOCTL_UNBLOCK               DRM_IOWR(0x13, struct drm_block)
  710. #define DRM_IOCTL_CONTROL               DRM_IOW( 0x14, struct drm_control)
  711. #define DRM_IOCTL_ADD_MAP               DRM_IOWR(0x15, struct drm_map)
  712. #define DRM_IOCTL_ADD_BUFS              DRM_IOWR(0x16, struct drm_buf_desc)
  713. #define DRM_IOCTL_MARK_BUFS             DRM_IOW( 0x17, struct drm_buf_desc)
  714. #define DRM_IOCTL_INFO_BUFS             DRM_IOWR(0x18, struct drm_buf_info)
  715. #define DRM_IOCTL_MAP_BUFS              DRM_IOWR(0x19, struct drm_buf_map)
  716. #define DRM_IOCTL_FREE_BUFS             DRM_IOW( 0x1a, struct drm_buf_free)
  717.  
  718. #define DRM_IOCTL_RM_MAP                DRM_IOW( 0x1b, struct drm_map)
  719.  
  720. #define DRM_IOCTL_SET_SAREA_CTX         DRM_IOW( 0x1c, struct drm_ctx_priv_map)
  721. #define DRM_IOCTL_GET_SAREA_CTX         DRM_IOWR(0x1d, struct drm_ctx_priv_map)
  722.  
  723. #define DRM_IOCTL_SET_MASTER            DRM_IO(0x1e)
  724. #define DRM_IOCTL_DROP_MASTER           DRM_IO(0x1f)
  725.  
  726. #define DRM_IOCTL_ADD_CTX               DRM_IOWR(0x20, struct drm_ctx)
  727. #define DRM_IOCTL_RM_CTX                DRM_IOWR(0x21, struct drm_ctx)
  728. #define DRM_IOCTL_MOD_CTX               DRM_IOW( 0x22, struct drm_ctx)
  729. #define DRM_IOCTL_GET_CTX               DRM_IOWR(0x23, struct drm_ctx)
  730. #define DRM_IOCTL_SWITCH_CTX            DRM_IOW( 0x24, struct drm_ctx)
  731. #define DRM_IOCTL_NEW_CTX               DRM_IOW( 0x25, struct drm_ctx)
  732. #define DRM_IOCTL_RES_CTX               DRM_IOWR(0x26, struct drm_ctx_res)
  733. #define DRM_IOCTL_ADD_DRAW              DRM_IOWR(0x27, struct drm_draw)
  734. #define DRM_IOCTL_RM_DRAW               DRM_IOWR(0x28, struct drm_draw)
  735. #define DRM_IOCTL_DMA                   DRM_IOWR(0x29, struct drm_dma)
  736. #define DRM_IOCTL_LOCK                  DRM_IOW( 0x2a, struct drm_lock)
  737. #define DRM_IOCTL_UNLOCK                DRM_IOW( 0x2b, struct drm_lock)
  738. #define DRM_IOCTL_FINISH                DRM_IOW( 0x2c, struct drm_lock)
  739.  
  740. #define DRM_IOCTL_PRIME_HANDLE_TO_FD    DRM_IOWR(0x2d, struct drm_prime_handle)
  741. #define DRM_IOCTL_PRIME_FD_TO_HANDLE    DRM_IOWR(0x2e, struct drm_prime_handle)
  742.  
  743. #define DRM_IOCTL_AGP_ACQUIRE           DRM_IO(  0x30)
  744. #define DRM_IOCTL_AGP_RELEASE           DRM_IO(  0x31)
  745. #define DRM_IOCTL_AGP_ENABLE            DRM_IOW( 0x32, struct drm_agp_mode)
  746. #define DRM_IOCTL_AGP_INFO              DRM_IOR( 0x33, struct drm_agp_info)
  747. #define DRM_IOCTL_AGP_ALLOC             DRM_IOWR(0x34, struct drm_agp_buffer)
  748. #define DRM_IOCTL_AGP_FREE              DRM_IOW( 0x35, struct drm_agp_buffer)
  749. #define DRM_IOCTL_AGP_BIND              DRM_IOW( 0x36, struct drm_agp_binding)
  750. #define DRM_IOCTL_AGP_UNBIND            DRM_IOW( 0x37, struct drm_agp_binding)
  751.  
  752. #define DRM_IOCTL_SG_ALLOC              DRM_IOWR(0x38, struct drm_scatter_gather)
  753. #define DRM_IOCTL_SG_FREE               DRM_IOW( 0x39, struct drm_scatter_gather)
  754.  
  755. #define DRM_IOCTL_WAIT_VBLANK           DRM_IOWR(0x3a, union drm_wait_vblank)
  756.  
  757. #define DRM_IOCTL_UPDATE_DRAW           DRM_IOW(0x3f, struct drm_update_draw)
  758.  
  759. #define DRM_IOCTL_MODE_GETRESOURCES     DRM_IOWR(0xA0, struct drm_mode_card_res)
  760. #define DRM_IOCTL_MODE_GETCRTC          DRM_IOWR(0xA1, struct drm_mode_crtc)
  761. #define DRM_IOCTL_MODE_SETCRTC          DRM_IOWR(0xA2, struct drm_mode_crtc)
  762. #define DRM_IOCTL_MODE_CURSOR           DRM_IOWR(0xA3, struct drm_mode_cursor)
  763. #define DRM_IOCTL_MODE_GETGAMMA         DRM_IOWR(0xA4, struct drm_mode_crtc_lut)
  764. #define DRM_IOCTL_MODE_SETGAMMA         DRM_IOWR(0xA5, struct drm_mode_crtc_lut)
  765. #define DRM_IOCTL_MODE_GETENCODER       DRM_IOWR(0xA6, struct drm_mode_get_encoder)
  766. #define DRM_IOCTL_MODE_GETCONNECTOR     DRM_IOWR(0xA7, struct drm_mode_get_connector)
  767. #define DRM_IOCTL_MODE_ATTACHMODE       DRM_IOWR(0xA8, struct drm_mode_mode_cmd) /* deprecated (never worked) */
  768. #define DRM_IOCTL_MODE_DETACHMODE       DRM_IOWR(0xA9, struct drm_mode_mode_cmd) /* deprecated (never worked) */
  769.  
  770. #define DRM_IOCTL_MODE_GETPROPERTY      DRM_IOWR(0xAA, struct drm_mode_get_property)
  771. #define DRM_IOCTL_MODE_SETPROPERTY      DRM_IOWR(0xAB, struct drm_mode_connector_set_property)
  772. #define DRM_IOCTL_MODE_GETPROPBLOB      DRM_IOWR(0xAC, struct drm_mode_get_blob)
  773. #define DRM_IOCTL_MODE_GETFB            DRM_IOWR(0xAD, struct drm_mode_fb_cmd)
  774. #define DRM_IOCTL_MODE_ADDFB            DRM_IOWR(0xAE, struct drm_mode_fb_cmd)
  775. #define DRM_IOCTL_MODE_RMFB             DRM_IOWR(0xAF, unsigned int)
  776. #define DRM_IOCTL_MODE_PAGE_FLIP        DRM_IOWR(0xB0, struct drm_mode_crtc_page_flip)
  777. #define DRM_IOCTL_MODE_DIRTYFB          DRM_IOWR(0xB1, struct drm_mode_fb_dirty_cmd)
  778.  
  779. #define DRM_IOCTL_MODE_CREATE_DUMB DRM_IOWR(0xB2, struct drm_mode_create_dumb)
  780. #define DRM_IOCTL_MODE_MAP_DUMB    DRM_IOWR(0xB3, struct drm_mode_map_dumb)
  781. #define DRM_IOCTL_MODE_DESTROY_DUMB    DRM_IOWR(0xB4, struct drm_mode_destroy_dumb)
  782. #define DRM_IOCTL_MODE_GETPLANERESOURCES DRM_IOWR(0xB5, struct drm_mode_get_plane_res)
  783. #define DRM_IOCTL_MODE_GETPLANE DRM_IOWR(0xB6, struct drm_mode_get_plane)
  784. #define DRM_IOCTL_MODE_SETPLANE DRM_IOWR(0xB7, struct drm_mode_set_plane)
  785. #define DRM_IOCTL_MODE_ADDFB2           DRM_IOWR(0xB8, struct drm_mode_fb_cmd2)
  786. #define DRM_IOCTL_MODE_OBJ_GETPROPERTIES        DRM_IOWR(0xB9, struct drm_mode_obj_get_properties)
  787. #define DRM_IOCTL_MODE_OBJ_SETPROPERTY  DRM_IOWR(0xBA, struct drm_mode_obj_set_property)
  788. #define DRM_IOCTL_MODE_CURSOR2          DRM_IOWR(0xBB, struct drm_mode_cursor2)
  789. #define DRM_IOCTL_MODE_ATOMIC           DRM_IOWR(0xBC, struct drm_mode_atomic)
  790. #define DRM_IOCTL_MODE_CREATEPROPBLOB   DRM_IOWR(0xBD, struct drm_mode_create_blob)
  791. #define DRM_IOCTL_MODE_DESTROYPROPBLOB  DRM_IOWR(0xBE, struct drm_mode_destroy_blob)
  792.  
  793. /**
  794.  * Device specific ioctls should only be in their respective headers
  795.  * The device specific ioctl range is from 0x40 to 0x9f.
  796.  * Generic IOCTLS restart at 0xA0.
  797.  *
  798.  * \sa drmCommandNone(), drmCommandRead(), drmCommandWrite(), and
  799.  * drmCommandReadWrite().
  800.  */
  801. #define DRM_COMMAND_BASE                0x40
  802. #define DRM_COMMAND_END                 0xA0
  803.  
  804. /**
  805.  * Header for events written back to userspace on the drm fd.  The
  806.  * type defines the type of event, the length specifies the total
  807.  * length of the event (including the header), and user_data is
  808.  * typically a 64 bit value passed with the ioctl that triggered the
  809.  * event.  A read on the drm fd will always only return complete
  810.  * events, that is, if for example the read buffer is 100 bytes, and
  811.  * there are two 64 byte events pending, only one will be returned.
  812.  *
  813.  * Event types 0 - 0x7fffffff are generic drm events, 0x80000000 and
  814.  * up are chipset specific.
  815.  */
  816. struct drm_event {
  817.         __u32 type;
  818.         __u32 length;
  819. };
  820.  
  821. #define DRM_EVENT_VBLANK 0x01
  822. #define DRM_EVENT_FLIP_COMPLETE 0x02
  823.  
  824. struct drm_event_vblank {
  825.         struct drm_event base;
  826.         __u64 user_data;
  827.         __u32 tv_sec;
  828.         __u32 tv_usec;
  829.         __u32 sequence;
  830.         __u32 reserved;
  831. };
  832.  
  833. /* typedef area */
  834. #ifndef __KERNEL__
  835. typedef struct drm_clip_rect drm_clip_rect_t;
  836. typedef struct drm_drawable_info drm_drawable_info_t;
  837. typedef struct drm_tex_region drm_tex_region_t;
  838. typedef struct drm_hw_lock drm_hw_lock_t;
  839. typedef struct drm_version drm_version_t;
  840. typedef struct drm_unique drm_unique_t;
  841. typedef struct drm_list drm_list_t;
  842. typedef struct drm_block drm_block_t;
  843. typedef struct drm_control drm_control_t;
  844. typedef enum drm_map_type drm_map_type_t;
  845. typedef enum drm_map_flags drm_map_flags_t;
  846. typedef struct drm_ctx_priv_map drm_ctx_priv_map_t;
  847. typedef struct drm_map drm_map_t;
  848. typedef struct drm_client drm_client_t;
  849. typedef enum drm_stat_type drm_stat_type_t;
  850. typedef struct drm_stats drm_stats_t;
  851. typedef enum drm_lock_flags drm_lock_flags_t;
  852. typedef struct drm_lock drm_lock_t;
  853. typedef enum drm_dma_flags drm_dma_flags_t;
  854. typedef struct drm_buf_desc drm_buf_desc_t;
  855. typedef struct drm_buf_info drm_buf_info_t;
  856. typedef struct drm_buf_free drm_buf_free_t;
  857. typedef struct drm_buf_pub drm_buf_pub_t;
  858. typedef struct drm_buf_map drm_buf_map_t;
  859. typedef struct drm_dma drm_dma_t;
  860. typedef union drm_wait_vblank drm_wait_vblank_t;
  861. typedef struct drm_agp_mode drm_agp_mode_t;
  862. typedef enum drm_ctx_flags drm_ctx_flags_t;
  863. typedef struct drm_ctx drm_ctx_t;
  864. typedef struct drm_ctx_res drm_ctx_res_t;
  865. typedef struct drm_draw drm_draw_t;
  866. typedef struct drm_update_draw drm_update_draw_t;
  867. typedef struct drm_auth drm_auth_t;
  868. typedef struct drm_irq_busid drm_irq_busid_t;
  869. typedef enum drm_vblank_seq_type drm_vblank_seq_type_t;
  870.  
  871. typedef struct drm_agp_buffer drm_agp_buffer_t;
  872. typedef struct drm_agp_binding drm_agp_binding_t;
  873. typedef struct drm_agp_info drm_agp_info_t;
  874. typedef struct drm_scatter_gather drm_scatter_gather_t;
  875. typedef struct drm_set_version drm_set_version_t;
  876. #endif
  877.  
  878. #endif
  879.