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      1 /**
      2  * \file drm.h
      3  * Header for the Direct Rendering Manager
      4  *
      5  * \author Rickard E. (Rik) Faith <faith (at) valinux.com>
      6  *
      7  * \par Acknowledgments:
      8  * Dec 1999, Richard Henderson <rth (at) 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(__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 unsigned long drm_handle_t;
     58 
     59 #endif
     60 
     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 
     66 #define _DRM_LOCK_HELD	0x80000000U /**< Hardware lock is held */
     67 #define _DRM_LOCK_CONT	0x40000000U /**< Hardware lock is contended */
     68 #define _DRM_LOCK_IS_HELD(lock)	   ((lock) & _DRM_LOCK_HELD)
     69 #define _DRM_LOCK_IS_CONT(lock)	   ((lock) & _DRM_LOCK_CONT)
     70 #define _DRM_LOCKING_CONTEXT(lock) ((lock) & ~(_DRM_LOCK_HELD|_DRM_LOCK_CONT))
     71 
     72 typedef unsigned int drm_context_t;
     73 typedef unsigned int drm_drawable_t;
     74 typedef unsigned int drm_magic_t;
     75 
     76 /**
     77  * Cliprect.
     78  *
     79  * \warning: If you change this structure, make sure you change
     80  * XF86DRIClipRectRec in the server as well
     81  *
     82  * \note KW: Actually it's illegal to change either for
     83  * backwards-compatibility reasons.
     84  */
     85 struct drm_clip_rect {
     86 	unsigned short x1;
     87 	unsigned short y1;
     88 	unsigned short x2;
     89 	unsigned short y2;
     90 };
     91 
     92 /**
     93  * Drawable information.
     94  */
     95 struct drm_drawable_info {
     96 	unsigned int num_rects;
     97 	struct drm_clip_rect *rects;
     98 };
     99 
    100 /**
    101  * Texture region,
    102  */
    103 struct drm_tex_region {
    104 	unsigned char next;
    105 	unsigned char prev;
    106 	unsigned char in_use;
    107 	unsigned char padding;
    108 	unsigned int age;
    109 };
    110 
    111 /**
    112  * Hardware lock.
    113  *
    114  * The lock structure is a simple cache-line aligned integer.  To avoid
    115  * processor bus contention on a multiprocessor system, there should not be any
    116  * other data stored in the same cache line.
    117  */
    118 struct drm_hw_lock {
    119 	__volatile__ unsigned int lock;		/**< lock variable */
    120 	char padding[60];			/**< Pad to cache line */
    121 };
    122 
    123 /**
    124  * DRM_IOCTL_VERSION ioctl argument type.
    125  *
    126  * \sa drmGetVersion().
    127  */
    128 struct drm_version {
    129 	int version_major;	  /**< Major version */
    130 	int version_minor;	  /**< Minor version */
    131 	int version_patchlevel;	  /**< Patch level */
    132 	size_t name_len;	  /**< Length of name buffer */
    133 	char *name;	  /**< Name of driver */
    134 	size_t date_len;	  /**< Length of date buffer */
    135 	char *date;	  /**< User-space buffer to hold date */
    136 	size_t desc_len;	  /**< Length of desc buffer */
    137 	char *desc;	  /**< User-space buffer to hold desc */
    138 };
    139 
    140 /**
    141  * DRM_IOCTL_GET_UNIQUE ioctl argument type.
    142  *
    143  * \sa drmGetBusid() and drmSetBusId().
    144  */
    145 struct drm_unique {
    146 	size_t unique_len;	  /**< Length of unique */
    147 	char *unique;	  /**< Unique name for driver instantiation */
    148 };
    149 
    150 struct drm_list {
    151 	int count;		  /**< Length of user-space structures */
    152 	struct drm_version *version;
    153 };
    154 
    155 struct drm_block {
    156 	int unused;
    157 };
    158 
    159 /**
    160  * DRM_IOCTL_CONTROL ioctl argument type.
    161  *
    162  * \sa drmCtlInstHandler() and drmCtlUninstHandler().
    163  */
    164 struct drm_control {
    165 	enum {
    166 		DRM_ADD_COMMAND,
    167 		DRM_RM_COMMAND,
    168 		DRM_INST_HANDLER,
    169 		DRM_UNINST_HANDLER
    170 	} func;
    171 	int irq;
    172 };
    173 
    174 /**
    175  * Type of memory to map.
    176  */
    177 enum drm_map_type {
    178 	_DRM_FRAME_BUFFER = 0,	  /**< WC (no caching), no core dump */
    179 	_DRM_REGISTERS = 1,	  /**< no caching, no core dump */
    180 	_DRM_SHM = 2,		  /**< shared, cached */
    181 	_DRM_AGP = 3,		  /**< AGP/GART */
    182 	_DRM_SCATTER_GATHER = 4,  /**< Scatter/gather memory for PCI DMA */
    183 	_DRM_CONSISTENT = 5,	  /**< Consistent memory for PCI DMA */
    184 	_DRM_GEM = 6		  /**< GEM object */
    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 *list;
    349 };
    350 
    351 /**
    352  * DRM_IOCTL_FREE_BUFS ioctl argument type.
    353  */
    354 struct drm_buf_free {
    355 	int count;
    356 	int *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 *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 #ifdef __cplusplus
    377 	void *virt;
    378 #else
    379 	void *virtual;		/**< Mmap'd area in user-virtual */
    380 #endif
    381 	struct drm_buf_pub *list;	/**< Buffer information */
    382 };
    383 
    384 /**
    385  * DRM_IOCTL_DMA ioctl argument type.
    386  *
    387  * Indices here refer to the offset into the buffer list in drm_buf_get.
    388  *
    389  * \sa drmDMA().
    390  */
    391 struct drm_dma {
    392 	int context;			  /**< Context handle */
    393 	int send_count;			  /**< Number of buffers to send */
    394 	int *send_indices;	  /**< List of handles to buffers */
    395 	int *send_sizes;		  /**< Lengths of data to send */
    396 	enum drm_dma_flags flags;	  /**< Flags */
    397 	int request_count;		  /**< Number of buffers requested */
    398 	int request_size;		  /**< Desired size for buffers */
    399 	int *request_indices;	  /**< Buffer information */
    400 	int *request_sizes;
    401 	int granted_count;		  /**< Number of buffers granted */
    402 };
    403 
    404 enum drm_ctx_flags {
    405 	_DRM_CONTEXT_PRESERVED = 0x01,
    406 	_DRM_CONTEXT_2DONLY = 0x02
    407 };
    408 
    409 /**
    410  * DRM_IOCTL_ADD_CTX ioctl argument type.
    411  *
    412  * \sa drmCreateContext() and drmDestroyContext().
    413  */
    414 struct drm_ctx {
    415 	drm_context_t handle;
    416 	enum drm_ctx_flags flags;
    417 };
    418 
    419 /**
    420  * DRM_IOCTL_RES_CTX ioctl argument type.
    421  */
    422 struct drm_ctx_res {
    423 	int count;
    424 	struct drm_ctx *contexts;
    425 };
    426 
    427 /**
    428  * DRM_IOCTL_ADD_DRAW and DRM_IOCTL_RM_DRAW ioctl argument type.
    429  */
    430 struct drm_draw {
    431 	drm_drawable_t handle;
    432 };
    433 
    434 /**
    435  * DRM_IOCTL_UPDATE_DRAW ioctl argument type.
    436  */
    437 typedef enum {
    438 	DRM_DRAWABLE_CLIPRECTS
    439 } drm_drawable_info_type_t;
    440 
    441 struct drm_update_draw {
    442 	drm_drawable_t handle;
    443 	unsigned int type;
    444 	unsigned int num;
    445 	unsigned long long data;
    446 };
    447 
    448 /**
    449  * DRM_IOCTL_GET_MAGIC and DRM_IOCTL_AUTH_MAGIC ioctl argument type.
    450  */
    451 struct drm_auth {
    452 	drm_magic_t magic;
    453 };
    454 
    455 /**
    456  * DRM_IOCTL_IRQ_BUSID ioctl argument type.
    457  *
    458  * \sa drmGetInterruptFromBusID().
    459  */
    460 struct drm_irq_busid {
    461 	int irq;	/**< IRQ number */
    462 	int busnum;	/**< bus number */
    463 	int devnum;	/**< device number */
    464 	int funcnum;	/**< function number */
    465 };
    466 
    467 enum drm_vblank_seq_type {
    468 	_DRM_VBLANK_ABSOLUTE = 0x0,	/**< Wait for specific vblank sequence number */
    469 	_DRM_VBLANK_RELATIVE = 0x1,	/**< Wait for given number of vblanks */
    470 	_DRM_VBLANK_EVENT = 0x4000000,   /**< Send event instead of blocking */
    471 	_DRM_VBLANK_FLIP = 0x8000000,   /**< Scheduled buffer swap should flip */
    472 	_DRM_VBLANK_NEXTONMISS = 0x10000000,	/**< If missed, wait for next vblank */
    473 	_DRM_VBLANK_SECONDARY = 0x20000000,	/**< Secondary display controller */
    474 	_DRM_VBLANK_SIGNAL = 0x40000000	/**< Send signal instead of blocking, unsupported */
    475 };
    476 
    477 #define _DRM_VBLANK_TYPES_MASK (_DRM_VBLANK_ABSOLUTE | _DRM_VBLANK_RELATIVE)
    478 #define _DRM_VBLANK_FLAGS_MASK (_DRM_VBLANK_EVENT | _DRM_VBLANK_SIGNAL | \
    479 				_DRM_VBLANK_SECONDARY | _DRM_VBLANK_NEXTONMISS)
    480 
    481 struct drm_wait_vblank_request {
    482 	enum drm_vblank_seq_type type;
    483 	unsigned int sequence;
    484 	unsigned long signal;
    485 };
    486 
    487 struct drm_wait_vblank_reply {
    488 	enum drm_vblank_seq_type type;
    489 	unsigned int sequence;
    490 	long tval_sec;
    491 	long tval_usec;
    492 };
    493 
    494 /**
    495  * DRM_IOCTL_WAIT_VBLANK ioctl argument type.
    496  *
    497  * \sa drmWaitVBlank().
    498  */
    499 union drm_wait_vblank {
    500 	struct drm_wait_vblank_request request;
    501 	struct drm_wait_vblank_reply reply;
    502 };
    503 
    504 #define _DRM_PRE_MODESET 1
    505 #define _DRM_POST_MODESET 2
    506 
    507 /**
    508  * DRM_IOCTL_MODESET_CTL ioctl argument type
    509  *
    510  * \sa drmModesetCtl().
    511  */
    512 struct drm_modeset_ctl {
    513 	__u32 crtc;
    514 	__u32 cmd;
    515 };
    516 
    517 /**
    518  * DRM_IOCTL_AGP_ENABLE ioctl argument type.
    519  *
    520  * \sa drmAgpEnable().
    521  */
    522 struct drm_agp_mode {
    523 	unsigned long mode;	/**< AGP mode */
    524 };
    525 
    526 /**
    527  * DRM_IOCTL_AGP_ALLOC and DRM_IOCTL_AGP_FREE ioctls argument type.
    528  *
    529  * \sa drmAgpAlloc() and drmAgpFree().
    530  */
    531 struct drm_agp_buffer {
    532 	unsigned long size;	/**< In bytes -- will round to page boundary */
    533 	unsigned long handle;	/**< Used for binding / unbinding */
    534 	unsigned long type;	/**< Type of memory to allocate */
    535 	unsigned long physical;	/**< Physical used by i810 */
    536 };
    537 
    538 /**
    539  * DRM_IOCTL_AGP_BIND and DRM_IOCTL_AGP_UNBIND ioctls argument type.
    540  *
    541  * \sa drmAgpBind() and drmAgpUnbind().
    542  */
    543 struct drm_agp_binding {
    544 	unsigned long handle;	/**< From drm_agp_buffer */
    545 	unsigned long offset;	/**< In bytes -- will round to page boundary */
    546 };
    547 
    548 /**
    549  * DRM_IOCTL_AGP_INFO ioctl argument type.
    550  *
    551  * \sa drmAgpVersionMajor(), drmAgpVersionMinor(), drmAgpGetMode(),
    552  * drmAgpBase(), drmAgpSize(), drmAgpMemoryUsed(), drmAgpMemoryAvail(),
    553  * drmAgpVendorId() and drmAgpDeviceId().
    554  */
    555 struct drm_agp_info {
    556 	int agp_version_major;
    557 	int agp_version_minor;
    558 	unsigned long mode;
    559 	unsigned long aperture_base;	/* physical address */
    560 	unsigned long aperture_size;	/* bytes */
    561 	unsigned long memory_allowed;	/* bytes */
    562 	unsigned long memory_used;
    563 
    564 	/* PCI information */
    565 	unsigned short id_vendor;
    566 	unsigned short id_device;
    567 };
    568 
    569 /**
    570  * DRM_IOCTL_SG_ALLOC ioctl argument type.
    571  */
    572 struct drm_scatter_gather {
    573 	unsigned long size;	/**< In bytes -- will round to page boundary */
    574 	unsigned long handle;	/**< Used for mapping / unmapping */
    575 };
    576 
    577 /**
    578  * DRM_IOCTL_SET_VERSION ioctl argument type.
    579  */
    580 struct drm_set_version {
    581 	int drm_di_major;
    582 	int drm_di_minor;
    583 	int drm_dd_major;
    584 	int drm_dd_minor;
    585 };
    586 
    587 /** DRM_IOCTL_GEM_CLOSE ioctl argument type */
    588 struct drm_gem_close {
    589 	/** Handle of the object to be closed. */
    590 	__u32 handle;
    591 	__u32 pad;
    592 };
    593 
    594 /** DRM_IOCTL_GEM_FLINK ioctl argument type */
    595 struct drm_gem_flink {
    596 	/** Handle for the object being named */
    597 	__u32 handle;
    598 
    599 	/** Returned global name */
    600 	__u32 name;
    601 };
    602 
    603 /** DRM_IOCTL_GEM_OPEN ioctl argument type */
    604 struct drm_gem_open {
    605 	/** Name of object being opened */
    606 	__u32 name;
    607 
    608 	/** Returned handle for the object */
    609 	__u32 handle;
    610 
    611 	/** Returned size of the object */
    612 	__u64 size;
    613 };
    614 
    615 /** DRM_IOCTL_GET_CAP ioctl argument type */
    616 struct drm_get_cap {
    617 	__u64 capability;
    618 	__u64 value;
    619 };
    620 
    621 /**
    622  * DRM_CLIENT_CAP_STEREO_3D
    623  *
    624  * if set to 1, the DRM core will expose the stereo 3D capabilities of the
    625  * monitor by advertising the supported 3D layouts in the flags of struct
    626  * drm_mode_modeinfo.
    627  */
    628 #define DRM_CLIENT_CAP_STEREO_3D	1
    629 
    630 /**
    631  * DRM_CLIENT_CAP_UNIVERSAL_PLANES
    632  *
    633  * If set to 1, the DRM core will expose all planes (overlay, primary, and
    634  * cursor) to userspace.
    635  */
    636 #define DRM_CLIENT_CAP_UNIVERSAL_PLANES  2
    637 
    638 /**
    639  * DRM_CLIENT_CAP_ATOMIC
    640  *
    641  * If set to 1, the DRM core will expose atomic properties to userspace
    642  */
    643 #define DRM_CLIENT_CAP_ATOMIC	3
    644 
    645 /**
    646  * DRM_CLIENT_CAP_ATOMIC
    647  *
    648  * If set to 1, the DRM core will allow atomic modesetting requests.
    649  */
    650 #define DRM_CLIENT_CAP_ATOMIC		3
    651 
    652 /** DRM_IOCTL_SET_CLIENT_CAP ioctl argument type */
    653 struct drm_set_client_cap {
    654 	__u64 capability;
    655 	__u64 value;
    656 };
    657 
    658 #define DRM_CLOEXEC O_CLOEXEC
    659 struct drm_prime_handle {
    660 	__u32 handle;
    661 
    662 	/** Flags.. only applicable for handle->fd */
    663 	__u32 flags;
    664 
    665 	/** Returned dmabuf file descriptor */
    666 	__s32 fd;
    667 };
    668 
    669 #include "drm_mode.h"
    670 
    671 #define DRM_IOCTL_BASE			'd'
    672 #define DRM_IO(nr)			_IO(DRM_IOCTL_BASE,nr)
    673 #define DRM_IOR(nr,type)		_IOR(DRM_IOCTL_BASE,nr,type)
    674 #define DRM_IOW(nr,type)		_IOW(DRM_IOCTL_BASE,nr,type)
    675 #define DRM_IOWR(nr,type)		_IOWR(DRM_IOCTL_BASE,nr,type)
    676 
    677 #define DRM_IOCTL_VERSION		DRM_IOWR(0x00, struct drm_version)
    678 #define DRM_IOCTL_GET_UNIQUE		DRM_IOWR(0x01, struct drm_unique)
    679 #define DRM_IOCTL_GET_MAGIC		DRM_IOR( 0x02, struct drm_auth)
    680 #define DRM_IOCTL_IRQ_BUSID		DRM_IOWR(0x03, struct drm_irq_busid)
    681 #define DRM_IOCTL_GET_MAP               DRM_IOWR(0x04, struct drm_map)
    682 #define DRM_IOCTL_GET_CLIENT            DRM_IOWR(0x05, struct drm_client)
    683 #define DRM_IOCTL_GET_STATS             DRM_IOR( 0x06, struct drm_stats)
    684 #define DRM_IOCTL_SET_VERSION		DRM_IOWR(0x07, struct drm_set_version)
    685 #define DRM_IOCTL_MODESET_CTL           DRM_IOW(0x08, struct drm_modeset_ctl)
    686 #define DRM_IOCTL_GEM_CLOSE		DRM_IOW (0x09, struct drm_gem_close)
    687 #define DRM_IOCTL_GEM_FLINK		DRM_IOWR(0x0a, struct drm_gem_flink)
    688 #define DRM_IOCTL_GEM_OPEN		DRM_IOWR(0x0b, struct drm_gem_open)
    689 #define DRM_IOCTL_GET_CAP		DRM_IOWR(0x0c, struct drm_get_cap)
    690 #define DRM_IOCTL_SET_CLIENT_CAP	DRM_IOW( 0x0d, struct drm_set_client_cap)
    691 
    692 #define DRM_IOCTL_SET_UNIQUE		DRM_IOW( 0x10, struct drm_unique)
    693 #define DRM_IOCTL_AUTH_MAGIC		DRM_IOW( 0x11, struct drm_auth)
    694 #define DRM_IOCTL_BLOCK			DRM_IOWR(0x12, struct drm_block)
    695 #define DRM_IOCTL_UNBLOCK		DRM_IOWR(0x13, struct drm_block)
    696 #define DRM_IOCTL_CONTROL		DRM_IOW( 0x14, struct drm_control)
    697 #define DRM_IOCTL_ADD_MAP		DRM_IOWR(0x15, struct drm_map)
    698 #define DRM_IOCTL_ADD_BUFS		DRM_IOWR(0x16, struct drm_buf_desc)
    699 #define DRM_IOCTL_MARK_BUFS		DRM_IOW( 0x17, struct drm_buf_desc)
    700 #define DRM_IOCTL_INFO_BUFS		DRM_IOWR(0x18, struct drm_buf_info)
    701 #define DRM_IOCTL_MAP_BUFS		DRM_IOWR(0x19, struct drm_buf_map)
    702 #define DRM_IOCTL_FREE_BUFS		DRM_IOW( 0x1a, struct drm_buf_free)
    703 
    704 #define DRM_IOCTL_RM_MAP		DRM_IOW( 0x1b, struct drm_map)
    705 
    706 #define DRM_IOCTL_SET_SAREA_CTX		DRM_IOW( 0x1c, struct drm_ctx_priv_map)
    707 #define DRM_IOCTL_GET_SAREA_CTX 	DRM_IOWR(0x1d, struct drm_ctx_priv_map)
    708 
    709 #define DRM_IOCTL_SET_MASTER            DRM_IO(0x1e)
    710 #define DRM_IOCTL_DROP_MASTER           DRM_IO(0x1f)
    711 
    712 #define DRM_IOCTL_ADD_CTX		DRM_IOWR(0x20, struct drm_ctx)
    713 #define DRM_IOCTL_RM_CTX		DRM_IOWR(0x21, struct drm_ctx)
    714 #define DRM_IOCTL_MOD_CTX		DRM_IOW( 0x22, struct drm_ctx)
    715 #define DRM_IOCTL_GET_CTX		DRM_IOWR(0x23, struct drm_ctx)
    716 #define DRM_IOCTL_SWITCH_CTX		DRM_IOW( 0x24, struct drm_ctx)
    717 #define DRM_IOCTL_NEW_CTX		DRM_IOW( 0x25, struct drm_ctx)
    718 #define DRM_IOCTL_RES_CTX		DRM_IOWR(0x26, struct drm_ctx_res)
    719 #define DRM_IOCTL_ADD_DRAW		DRM_IOWR(0x27, struct drm_draw)
    720 #define DRM_IOCTL_RM_DRAW		DRM_IOWR(0x28, struct drm_draw)
    721 #define DRM_IOCTL_DMA			DRM_IOWR(0x29, struct drm_dma)
    722 #define DRM_IOCTL_LOCK			DRM_IOW( 0x2a, struct drm_lock)
    723 #define DRM_IOCTL_UNLOCK		DRM_IOW( 0x2b, struct drm_lock)
    724 #define DRM_IOCTL_FINISH		DRM_IOW( 0x2c, struct drm_lock)
    725 
    726 #define DRM_IOCTL_PRIME_HANDLE_TO_FD    DRM_IOWR(0x2d, struct drm_prime_handle)
    727 #define DRM_IOCTL_PRIME_FD_TO_HANDLE    DRM_IOWR(0x2e, struct drm_prime_handle)
    728 
    729 #define DRM_IOCTL_AGP_ACQUIRE		DRM_IO(  0x30)
    730 #define DRM_IOCTL_AGP_RELEASE		DRM_IO(  0x31)
    731 #define DRM_IOCTL_AGP_ENABLE		DRM_IOW( 0x32, struct drm_agp_mode)
    732 #define DRM_IOCTL_AGP_INFO		DRM_IOR( 0x33, struct drm_agp_info)
    733 #define DRM_IOCTL_AGP_ALLOC		DRM_IOWR(0x34, struct drm_agp_buffer)
    734 #define DRM_IOCTL_AGP_FREE		DRM_IOW( 0x35, struct drm_agp_buffer)
    735 #define DRM_IOCTL_AGP_BIND		DRM_IOW( 0x36, struct drm_agp_binding)
    736 #define DRM_IOCTL_AGP_UNBIND		DRM_IOW( 0x37, struct drm_agp_binding)
    737 
    738 #define DRM_IOCTL_SG_ALLOC		DRM_IOWR(0x38, struct drm_scatter_gather)
    739 #define DRM_IOCTL_SG_FREE		DRM_IOW( 0x39, struct drm_scatter_gather)
    740 
    741 #define DRM_IOCTL_WAIT_VBLANK		DRM_IOWR(0x3a, union drm_wait_vblank)
    742 
    743 #define DRM_IOCTL_UPDATE_DRAW		DRM_IOW(0x3f, struct drm_update_draw)
    744 
    745 #define DRM_IOCTL_MODE_GETRESOURCES	DRM_IOWR(0xA0, struct drm_mode_card_res)
    746 #define DRM_IOCTL_MODE_GETCRTC		DRM_IOWR(0xA1, struct drm_mode_crtc)
    747 #define DRM_IOCTL_MODE_SETCRTC		DRM_IOWR(0xA2, struct drm_mode_crtc)
    748 #define DRM_IOCTL_MODE_CURSOR		DRM_IOWR(0xA3, struct drm_mode_cursor)
    749 #define DRM_IOCTL_MODE_GETGAMMA		DRM_IOWR(0xA4, struct drm_mode_crtc_lut)
    750 #define DRM_IOCTL_MODE_SETGAMMA		DRM_IOWR(0xA5, struct drm_mode_crtc_lut)
    751 #define DRM_IOCTL_MODE_GETENCODER	DRM_IOWR(0xA6, struct drm_mode_get_encoder)
    752 #define DRM_IOCTL_MODE_GETCONNECTOR	DRM_IOWR(0xA7, struct drm_mode_get_connector)
    753 #define DRM_IOCTL_MODE_ATTACHMODE	DRM_IOWR(0xA8, struct drm_mode_mode_cmd)
    754 #define DRM_IOCTL_MODE_DETACHMODE	DRM_IOWR(0xA9, struct drm_mode_mode_cmd)
    755 
    756 #define DRM_IOCTL_MODE_GETPROPERTY	DRM_IOWR(0xAA, struct drm_mode_get_property)
    757 #define DRM_IOCTL_MODE_SETPROPERTY	DRM_IOWR(0xAB, struct drm_mode_connector_set_property)
    758 #define DRM_IOCTL_MODE_GETPROPBLOB	DRM_IOWR(0xAC, struct drm_mode_get_blob)
    759 #define DRM_IOCTL_MODE_GETFB		DRM_IOWR(0xAD, struct drm_mode_fb_cmd)
    760 #define DRM_IOCTL_MODE_ADDFB		DRM_IOWR(0xAE, struct drm_mode_fb_cmd)
    761 #define DRM_IOCTL_MODE_RMFB		DRM_IOWR(0xAF, unsigned int)
    762 #define DRM_IOCTL_MODE_PAGE_FLIP	DRM_IOWR(0xB0, struct drm_mode_crtc_page_flip)
    763 #define DRM_IOCTL_MODE_DIRTYFB		DRM_IOWR(0xB1, struct drm_mode_fb_dirty_cmd)
    764 
    765 #define DRM_IOCTL_MODE_CREATE_DUMB DRM_IOWR(0xB2, struct drm_mode_create_dumb)
    766 #define DRM_IOCTL_MODE_MAP_DUMB    DRM_IOWR(0xB3, struct drm_mode_map_dumb)
    767 #define DRM_IOCTL_MODE_DESTROY_DUMB    DRM_IOWR(0xB4, struct drm_mode_destroy_dumb)
    768 #define DRM_IOCTL_MODE_GETPLANERESOURCES DRM_IOWR(0xB5, struct drm_mode_get_plane_res)
    769 #define DRM_IOCTL_MODE_GETPLANE	DRM_IOWR(0xB6, struct drm_mode_get_plane)
    770 #define DRM_IOCTL_MODE_SETPLANE	DRM_IOWR(0xB7, struct drm_mode_set_plane)
    771 #define DRM_IOCTL_MODE_ADDFB2		DRM_IOWR(0xB8, struct drm_mode_fb_cmd2)
    772 #define DRM_IOCTL_MODE_OBJ_GETPROPERTIES	DRM_IOWR(0xB9, struct drm_mode_obj_get_properties)
    773 #define DRM_IOCTL_MODE_OBJ_SETPROPERTY	DRM_IOWR(0xBA, struct drm_mode_obj_set_property)
    774 #define DRM_IOCTL_MODE_CURSOR2		DRM_IOWR(0xBB, struct drm_mode_cursor2)
    775 #define DRM_IOCTL_MODE_ATOMIC		DRM_IOWR(0xBC, struct drm_mode_atomic)
    776 #define DRM_IOCTL_MODE_CREATEPROPBLOB	DRM_IOWR(0xBD, struct drm_mode_create_blob)
    777 #define DRM_IOCTL_MODE_DESTROYPROPBLOB	DRM_IOWR(0xBE, struct drm_mode_destroy_blob)
    778 
    779 /**
    780  * Device specific ioctls should only be in their respective headers
    781  * The device specific ioctl range is from 0x40 to 0x99.
    782  * Generic IOCTLS restart at 0xA0.
    783  *
    784  * \sa drmCommandNone(), drmCommandRead(), drmCommandWrite(), and
    785  * drmCommandReadWrite().
    786  */
    787 #define DRM_COMMAND_BASE                0x40
    788 #define DRM_COMMAND_END			0xA0
    789 
    790 /**
    791  * Header for events written back to userspace on the drm fd.  The
    792  * type defines the type of event, the length specifies the total
    793  * length of the event (including the header), and user_data is
    794  * typically a 64 bit value passed with the ioctl that triggered the
    795  * event.  A read on the drm fd will always only return complete
    796  * events, that is, if for example the read buffer is 100 bytes, and
    797  * there are two 64 byte events pending, only one will be returned.
    798  *
    799  * Event types 0 - 0x7fffffff are generic drm events, 0x80000000 and
    800  * up are chipset specific.
    801  */
    802 struct drm_event {
    803 	__u32 type;
    804 	__u32 length;
    805 };
    806 
    807 #define DRM_EVENT_VBLANK 0x01
    808 #define DRM_EVENT_FLIP_COMPLETE 0x02
    809 
    810 struct drm_event_vblank {
    811 	struct drm_event base;
    812 	__u64 user_data;
    813 	__u32 tv_sec;
    814 	__u32 tv_usec;
    815 	__u32 sequence;
    816 	__u32 reserved;
    817 };
    818 
    819 #define DRM_CAP_DUMB_BUFFER 0x1
    820 #define DRM_CAP_VBLANK_HIGH_CRTC   0x2
    821 #define DRM_CAP_DUMB_PREFERRED_DEPTH 0x3
    822 #define DRM_CAP_DUMB_PREFER_SHADOW 0x4
    823 #define DRM_CAP_PRIME 0x5
    824 #define DRM_CAP_TIMESTAMP_MONOTONIC 0x6
    825 #define DRM_CAP_ASYNC_PAGE_FLIP 0x7
    826 #define DRM_CAP_ADDFB2_MODIFIERS	0x10
    827 
    828 #define DRM_PRIME_CAP_IMPORT 0x1
    829 #define DRM_PRIME_CAP_EXPORT 0x2
    830 
    831 /* typedef area */
    832 typedef struct drm_clip_rect drm_clip_rect_t;
    833 typedef struct drm_drawable_info drm_drawable_info_t;
    834 typedef struct drm_tex_region drm_tex_region_t;
    835 typedef struct drm_hw_lock drm_hw_lock_t;
    836 typedef struct drm_version drm_version_t;
    837 typedef struct drm_unique drm_unique_t;
    838 typedef struct drm_list drm_list_t;
    839 typedef struct drm_block drm_block_t;
    840 typedef struct drm_control drm_control_t;
    841 typedef enum drm_map_type drm_map_type_t;
    842 typedef enum drm_map_flags drm_map_flags_t;
    843 typedef struct drm_ctx_priv_map drm_ctx_priv_map_t;
    844 typedef struct drm_map drm_map_t;
    845 typedef struct drm_client drm_client_t;
    846 typedef enum drm_stat_type drm_stat_type_t;
    847 typedef struct drm_stats drm_stats_t;
    848 typedef enum drm_lock_flags drm_lock_flags_t;
    849 typedef struct drm_lock drm_lock_t;
    850 typedef enum drm_dma_flags drm_dma_flags_t;
    851 typedef struct drm_buf_desc drm_buf_desc_t;
    852 typedef struct drm_buf_info drm_buf_info_t;
    853 typedef struct drm_buf_free drm_buf_free_t;
    854 typedef struct drm_buf_pub drm_buf_pub_t;
    855 typedef struct drm_buf_map drm_buf_map_t;
    856 typedef struct drm_dma drm_dma_t;
    857 typedef union drm_wait_vblank drm_wait_vblank_t;
    858 typedef struct drm_agp_mode drm_agp_mode_t;
    859 typedef enum drm_ctx_flags drm_ctx_flags_t;
    860 typedef struct drm_ctx drm_ctx_t;
    861 typedef struct drm_ctx_res drm_ctx_res_t;
    862 typedef struct drm_draw drm_draw_t;
    863 typedef struct drm_update_draw drm_update_draw_t;
    864 typedef struct drm_auth drm_auth_t;
    865 typedef struct drm_irq_busid drm_irq_busid_t;
    866 typedef enum drm_vblank_seq_type drm_vblank_seq_type_t;
    867 
    868 typedef struct drm_agp_buffer drm_agp_buffer_t;
    869 typedef struct drm_agp_binding drm_agp_binding_t;
    870 typedef struct drm_agp_info drm_agp_info_t;
    871 typedef struct drm_scatter_gather drm_scatter_gather_t;
    872 typedef struct drm_set_version drm_set_version_t;
    873 
    874 #endif
    875