xref: /freebsd/sys/dev/drm2/drm.h (revision 685dc743)
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 #include <sys/cdefs.h>
37 #ifndef _DRM_H_
38 #define _DRM_H_
39 
40 #if defined(__linux__)
41 
42 #include <linux/types.h>
43 #include <asm/ioctl.h>
44 typedef unsigned int drm_handle_t;
45 
46 #else /* One of the BSDs */
47 
48 #include <sys/ioccom.h>
49 #include <sys/types.h>
50 typedef int8_t   __s8;
51 typedef uint8_t  __u8;
52 typedef int16_t  __s16;
53 typedef uint16_t __u16;
54 typedef int32_t  __s32;
55 typedef uint32_t __u32;
56 typedef int64_t  __s64;
57 typedef uint64_t __u64;
58 typedef unsigned long drm_handle_t;
59 
60 #include <dev/drm2/drm_os_freebsd.h>
61 #endif
62 
63 #define DRM_NAME	"drm"	  /**< Name in kernel, /dev, and /proc */
64 #define DRM_MIN_ORDER	5	  /**< At least 2^5 bytes = 32 bytes */
65 #define DRM_MAX_ORDER	22	  /**< Up to 2^22 bytes = 4MB */
66 #define DRM_RAM_PERCENT 10	  /**< How much system ram can we lock? */
67 
68 #define _DRM_LOCK_HELD	0x80000000U /**< Hardware lock is held */
69 #define _DRM_LOCK_CONT	0x40000000U /**< Hardware lock is contended */
70 #define _DRM_LOCK_IS_HELD(lock)	   ((lock) & _DRM_LOCK_HELD)
71 #define _DRM_LOCK_IS_CONT(lock)	   ((lock) & _DRM_LOCK_CONT)
72 #define _DRM_LOCKING_CONTEXT(lock) ((lock) & ~(_DRM_LOCK_HELD|_DRM_LOCK_CONT))
73 
74 typedef unsigned int drm_context_t;
75 typedef unsigned int drm_drawable_t;
76 typedef unsigned int drm_magic_t;
77 
78 /**
79  * Cliprect.
80  *
81  * \warning: If you change this structure, make sure you change
82  * XF86DRIClipRectRec in the server as well
83  *
84  * \note KW: Actually it's illegal to change either for
85  * backwards-compatibility reasons.
86  */
87 struct drm_clip_rect {
88 	unsigned short x1;
89 	unsigned short y1;
90 	unsigned short x2;
91 	unsigned short y2;
92 };
93 
94 /**
95  * Drawable information.
96  */
97 struct drm_drawable_info {
98 	unsigned int num_rects;
99 	struct drm_clip_rect *rects;
100 };
101 
102 /**
103  * Texture region,
104  */
105 struct drm_tex_region {
106 	unsigned char next;
107 	unsigned char prev;
108 	unsigned char in_use;
109 	unsigned char padding;
110 	unsigned int age;
111 };
112 
113 /**
114  * Hardware lock.
115  *
116  * The lock structure is a simple cache-line aligned integer.  To avoid
117  * processor bus contention on a multiprocessor system, there should not be any
118  * other data stored in the same cache line.
119  */
120 struct drm_hw_lock {
121 	__volatile__ unsigned int lock;		/**< lock variable */
122 	char padding[60];			/**< Pad to cache line */
123 };
124 
125 /**
126  * DRM_IOCTL_VERSION ioctl argument type.
127  *
128  * \sa drmGetVersion().
129  */
130 struct drm_version {
131 	int version_major;	  /**< Major version */
132 	int version_minor;	  /**< Minor version */
133 	int version_patchlevel;	  /**< Patch level */
134 	size_t name_len;	  /**< Length of name buffer */
135 	char __user *name;	  /**< Name of driver */
136 	size_t date_len;	  /**< Length of date buffer */
137 	char __user *date;	  /**< User-space buffer to hold date */
138 	size_t desc_len;	  /**< Length of desc buffer */
139 	char __user *desc;	  /**< User-space buffer to hold desc */
140 };
141 
142 /**
143  * DRM_IOCTL_GET_UNIQUE ioctl argument type.
144  *
145  * \sa drmGetBusid() and drmSetBusId().
146  */
147 struct drm_unique {
148 	size_t unique_len;	  /**< Length of unique */
149 	char __user *unique;	  /**< Unique name for driver instantiation */
150 };
151 
152 struct drm_list {
153 	int count;		  /**< Length of user-space structures */
154 	struct drm_version __user *version;
155 };
156 
157 struct drm_block {
158 	int unused;
159 };
160 
161 /**
162  * DRM_IOCTL_CONTROL ioctl argument type.
163  *
164  * \sa drmCtlInstHandler() and drmCtlUninstHandler().
165  */
166 struct drm_control {
167 	enum {
168 		DRM_ADD_COMMAND,
169 		DRM_RM_COMMAND,
170 		DRM_INST_HANDLER,
171 		DRM_UNINST_HANDLER
172 	} func;
173 	int irq;
174 };
175 
176 /**
177  * Type of memory to map.
178  */
179 enum drm_map_type {
180 	_DRM_FRAME_BUFFER = 0,	  /**< WC (no caching), no core dump */
181 	_DRM_REGISTERS = 1,	  /**< no caching, no core dump */
182 	_DRM_SHM = 2,		  /**< shared, cached */
183 	_DRM_AGP = 3,		  /**< AGP/GART */
184 	_DRM_SCATTER_GATHER = 4,  /**< Scatter/gather memory for PCI DMA */
185 	_DRM_CONSISTENT = 5,	  /**< Consistent memory for PCI DMA */
186 	_DRM_GEM = 6,		  /**< GEM object */
187 };
188 
189 /**
190  * Memory mapping flags.
191  */
192 enum drm_map_flags {
193 	_DRM_RESTRICTED = 0x01,	     /**< Cannot be mapped to user-virtual */
194 	_DRM_READ_ONLY = 0x02,
195 	_DRM_LOCKED = 0x04,	     /**< shared, cached, locked */
196 	_DRM_KERNEL = 0x08,	     /**< kernel requires access */
197 	_DRM_WRITE_COMBINING = 0x10, /**< use write-combining if available */
198 	_DRM_CONTAINS_LOCK = 0x20,   /**< SHM page that contains lock */
199 	_DRM_REMOVABLE = 0x40,	     /**< Removable mapping */
200 	_DRM_DRIVER = 0x80	     /**< Managed by driver */
201 };
202 
203 struct drm_ctx_priv_map {
204 	unsigned int ctx_id;	 /**< Context requesting private mapping */
205 	void *handle;		 /**< Handle of map */
206 };
207 
208 /**
209  * DRM_IOCTL_GET_MAP, DRM_IOCTL_ADD_MAP and DRM_IOCTL_RM_MAP ioctls
210  * argument type.
211  *
212  * \sa drmAddMap().
213  */
214 struct drm_map {
215 	unsigned long offset;	 /**< Requested physical address (0 for SAREA)*/
216 	unsigned long size;	 /**< Requested physical size (bytes) */
217 	enum drm_map_type type;	 /**< Type of memory to map */
218 	enum drm_map_flags flags;	 /**< Flags */
219 	void *handle;		 /**< User-space: "Handle" to pass to mmap() */
220 				 /**< Kernel-space: kernel-virtual address */
221 	int mtrr;		 /**< MTRR slot used */
222 	/*   Private data */
223 };
224 
225 /**
226  * DRM_IOCTL_GET_CLIENT ioctl argument type.
227  */
228 struct drm_client {
229 	int idx;		/**< Which client desired? */
230 	int auth;		/**< Is client authenticated? */
231 	unsigned long pid;	/**< Process ID */
232 	unsigned long uid;	/**< User ID */
233 	unsigned long magic;	/**< Magic */
234 	unsigned long iocs;	/**< Ioctl count */
235 };
236 
237 enum drm_stat_type {
238 	_DRM_STAT_LOCK,
239 	_DRM_STAT_OPENS,
240 	_DRM_STAT_CLOSES,
241 	_DRM_STAT_IOCTLS,
242 	_DRM_STAT_LOCKS,
243 	_DRM_STAT_UNLOCKS,
244 	_DRM_STAT_VALUE,	/**< Generic value */
245 	_DRM_STAT_BYTE,		/**< Generic byte counter (1024bytes/K) */
246 	_DRM_STAT_COUNT,	/**< Generic non-byte counter (1000/k) */
247 
248 	_DRM_STAT_IRQ,		/**< IRQ */
249 	_DRM_STAT_PRIMARY,	/**< Primary DMA bytes */
250 	_DRM_STAT_SECONDARY,	/**< Secondary DMA bytes */
251 	_DRM_STAT_DMA,		/**< DMA */
252 	_DRM_STAT_SPECIAL,	/**< Special DMA (e.g., priority or polled) */
253 	_DRM_STAT_MISSED	/**< Missed DMA opportunity */
254 	    /* Add to the *END* of the list */
255 };
256 
257 /**
258  * DRM_IOCTL_GET_STATS ioctl argument type.
259  */
260 struct drm_stats {
261 	unsigned long count;
262 	struct {
263 		unsigned long value;
264 		enum drm_stat_type type;
265 	} data[15];
266 };
267 
268 /**
269  * Hardware locking flags.
270  */
271 enum drm_lock_flags {
272 	_DRM_LOCK_READY = 0x01,	     /**< Wait until hardware is ready for DMA */
273 	_DRM_LOCK_QUIESCENT = 0x02,  /**< Wait until hardware quiescent */
274 	_DRM_LOCK_FLUSH = 0x04,	     /**< Flush this context's DMA queue first */
275 	_DRM_LOCK_FLUSH_ALL = 0x08,  /**< Flush all DMA queues first */
276 	/* These *HALT* flags aren't supported yet
277 	   -- they will be used to support the
278 	   full-screen DGA-like mode. */
279 	_DRM_HALT_ALL_QUEUES = 0x10, /**< Halt all current and future queues */
280 	_DRM_HALT_CUR_QUEUES = 0x20  /**< Halt all current queues */
281 };
282 
283 /**
284  * DRM_IOCTL_LOCK, DRM_IOCTL_UNLOCK and DRM_IOCTL_FINISH ioctl argument type.
285  *
286  * \sa drmGetLock() and drmUnlock().
287  */
288 struct drm_lock {
289 	int context;
290 	enum drm_lock_flags flags;
291 };
292 
293 /**
294  * DMA flags
295  *
296  * \warning
297  * These values \e must match xf86drm.h.
298  *
299  * \sa drm_dma.
300  */
301 enum drm_dma_flags {
302 	/* Flags for DMA buffer dispatch */
303 	_DRM_DMA_BLOCK = 0x01,	      /**<
304 				       * Block until buffer dispatched.
305 				       *
306 				       * \note The buffer may not yet have
307 				       * been processed by the hardware --
308 				       * getting a hardware lock with the
309 				       * hardware quiescent will ensure
310 				       * that the buffer has been
311 				       * processed.
312 				       */
313 	_DRM_DMA_WHILE_LOCKED = 0x02, /**< Dispatch while lock held */
314 	_DRM_DMA_PRIORITY = 0x04,     /**< High priority dispatch */
315 
316 	/* Flags for DMA buffer request */
317 	_DRM_DMA_WAIT = 0x10,	      /**< Wait for free buffers */
318 	_DRM_DMA_SMALLER_OK = 0x20,   /**< Smaller-than-requested buffers OK */
319 	_DRM_DMA_LARGER_OK = 0x40     /**< Larger-than-requested buffers OK */
320 };
321 
322 /**
323  * DRM_IOCTL_ADD_BUFS and DRM_IOCTL_MARK_BUFS ioctl argument type.
324  *
325  * \sa drmAddBufs().
326  */
327 struct drm_buf_desc {
328 	int count;		 /**< Number of buffers of this size */
329 	int size;		 /**< Size in bytes */
330 	int low_mark;		 /**< Low water mark */
331 	int high_mark;		 /**< High water mark */
332 	enum {
333 		_DRM_PAGE_ALIGN = 0x01,	/**< Align on page boundaries for DMA */
334 		_DRM_AGP_BUFFER = 0x02,	/**< Buffer is in AGP space */
335 		_DRM_SG_BUFFER = 0x04,	/**< Scatter/gather memory buffer */
336 		_DRM_FB_BUFFER = 0x08,	/**< Buffer is in frame buffer */
337 		_DRM_PCI_BUFFER_RO = 0x10 /**< Map PCI DMA buffer read-only */
338 	} flags;
339 	unsigned long agp_start; /**<
340 				  * Start address of where the AGP buffers are
341 				  * in the AGP aperture
342 				  */
343 };
344 
345 /**
346  * DRM_IOCTL_INFO_BUFS ioctl argument type.
347  */
348 struct drm_buf_info {
349 	int count;		/**< Entries in list */
350 	struct drm_buf_desc __user *list;
351 };
352 
353 /**
354  * DRM_IOCTL_FREE_BUFS ioctl argument type.
355  */
356 struct drm_buf_free {
357 	int count;
358 	int __user *list;
359 };
360 
361 /**
362  * Buffer information
363  *
364  * \sa drm_buf_map.
365  */
366 struct drm_buf_pub {
367 	int idx;		       /**< Index into the master buffer list */
368 	int total;		       /**< Buffer size */
369 	int used;		       /**< Amount of buffer in use (for DMA) */
370 	void __user *address;	       /**< Address of buffer */
371 };
372 
373 /**
374  * DRM_IOCTL_MAP_BUFS ioctl argument type.
375  */
376 struct drm_buf_map {
377 	int count;		/**< Length of the buffer list */
378 	void __user *virtual;		/**< Mmap'd area in user-virtual */
379 	struct drm_buf_pub __user *list;	/**< Buffer information */
380 };
381 
382 /**
383  * DRM_IOCTL_DMA ioctl argument type.
384  *
385  * Indices here refer to the offset into the buffer list in drm_buf_get.
386  *
387  * \sa drmDMA().
388  */
389 struct drm_dma {
390 	int context;			  /**< Context handle */
391 	int send_count;			  /**< Number of buffers to send */
392 	int __user *send_indices;	  /**< List of handles to buffers */
393 	int __user *send_sizes;		  /**< Lengths of data to send */
394 	enum drm_dma_flags flags;	  /**< Flags */
395 	int request_count;		  /**< Number of buffers requested */
396 	int request_size;		  /**< Desired size for buffers */
397 	int __user *request_indices;	  /**< Buffer information */
398 	int __user *request_sizes;
399 	int granted_count;		  /**< Number of buffers granted */
400 };
401 
402 enum drm_ctx_flags {
403 	_DRM_CONTEXT_PRESERVED = 0x01,
404 	_DRM_CONTEXT_2DONLY = 0x02
405 };
406 
407 /**
408  * DRM_IOCTL_ADD_CTX ioctl argument type.
409  *
410  * \sa drmCreateContext() and drmDestroyContext().
411  */
412 struct drm_ctx {
413 	drm_context_t handle;
414 	enum drm_ctx_flags flags;
415 };
416 
417 /**
418  * DRM_IOCTL_RES_CTX ioctl argument type.
419  */
420 struct drm_ctx_res {
421 	int count;
422 	struct drm_ctx __user *contexts;
423 };
424 
425 /**
426  * DRM_IOCTL_ADD_DRAW and DRM_IOCTL_RM_DRAW ioctl argument type.
427  */
428 struct drm_draw {
429 	drm_drawable_t handle;
430 };
431 
432 /**
433  * DRM_IOCTL_UPDATE_DRAW ioctl argument type.
434  */
435 typedef enum {
436 	DRM_DRAWABLE_CLIPRECTS,
437 } drm_drawable_info_type_t;
438 
439 struct drm_update_draw {
440 	drm_drawable_t handle;
441 	unsigned int type;
442 	unsigned int num;
443 	unsigned long long data;
444 };
445 
446 /**
447  * DRM_IOCTL_GET_MAGIC and DRM_IOCTL_AUTH_MAGIC ioctl argument type.
448  */
449 struct drm_auth {
450 	drm_magic_t magic;
451 };
452 
453 /**
454  * DRM_IOCTL_IRQ_BUSID ioctl argument type.
455  *
456  * \sa drmGetInterruptFromBusID().
457  */
458 struct drm_irq_busid {
459 	int irq;	/**< IRQ number */
460 	int busnum;	/**< bus number */
461 	int devnum;	/**< device number */
462 	int funcnum;	/**< function number */
463 };
464 
465 enum drm_vblank_seq_type {
466 	_DRM_VBLANK_ABSOLUTE = 0x0,	/**< Wait for specific vblank sequence number */
467 	_DRM_VBLANK_RELATIVE = 0x1,	/**< Wait for given number of vblanks */
468 	/* bits 1-6 are reserved for high crtcs */
469 	_DRM_VBLANK_HIGH_CRTC_MASK = 0x0000003e,
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 #define _DRM_VBLANK_HIGH_CRTC_SHIFT 1
477 
478 #define _DRM_VBLANK_TYPES_MASK (_DRM_VBLANK_ABSOLUTE | _DRM_VBLANK_RELATIVE)
479 #define _DRM_VBLANK_FLAGS_MASK (_DRM_VBLANK_EVENT | _DRM_VBLANK_SIGNAL | \
480 				_DRM_VBLANK_SECONDARY | _DRM_VBLANK_NEXTONMISS)
481 
482 struct drm_wait_vblank_request {
483 	enum drm_vblank_seq_type type;
484 	unsigned int sequence;
485 	unsigned long signal;
486 };
487 
488 struct drm_wait_vblank_reply {
489 	enum drm_vblank_seq_type type;
490 	unsigned int sequence;
491 	long tval_sec;
492 	long tval_usec;
493 };
494 
495 /**
496  * DRM_IOCTL_WAIT_VBLANK ioctl argument type.
497  *
498  * \sa drmWaitVBlank().
499  */
500 union drm_wait_vblank {
501 	struct drm_wait_vblank_request request;
502 	struct drm_wait_vblank_reply reply;
503 };
504 
505 #define _DRM_PRE_MODESET 1
506 #define _DRM_POST_MODESET 2
507 
508 /**
509  * DRM_IOCTL_MODESET_CTL ioctl argument type
510  *
511  * \sa drmModesetCtl().
512  */
513 struct drm_modeset_ctl {
514 	__u32 crtc;
515 	__u32 cmd;
516 };
517 
518 /**
519  * DRM_IOCTL_AGP_ENABLE ioctl argument type.
520  *
521  * \sa drmAgpEnable().
522  */
523 struct drm_agp_mode {
524 	unsigned long mode;	/**< AGP mode */
525 };
526 
527 /**
528  * DRM_IOCTL_AGP_ALLOC and DRM_IOCTL_AGP_FREE ioctls argument type.
529  *
530  * \sa drmAgpAlloc() and drmAgpFree().
531  */
532 struct drm_agp_buffer {
533 	unsigned long size;	/**< In bytes -- will round to page boundary */
534 	unsigned long handle;	/**< Used for binding / unbinding */
535 	unsigned long type;	/**< Type of memory to allocate */
536 	unsigned long physical;	/**< Physical used by i810 */
537 };
538 
539 /**
540  * DRM_IOCTL_AGP_BIND and DRM_IOCTL_AGP_UNBIND ioctls argument type.
541  *
542  * \sa drmAgpBind() and drmAgpUnbind().
543  */
544 struct drm_agp_binding {
545 	unsigned long handle;	/**< From drm_agp_buffer */
546 	unsigned long offset;	/**< In bytes -- will round to page boundary */
547 };
548 
549 /**
550  * DRM_IOCTL_AGP_INFO ioctl argument type.
551  *
552  * \sa drmAgpVersionMajor(), drmAgpVersionMinor(), drmAgpGetMode(),
553  * drmAgpBase(), drmAgpSize(), drmAgpMemoryUsed(), drmAgpMemoryAvail(),
554  * drmAgpVendorId() and drmAgpDeviceId().
555  */
556 struct drm_agp_info {
557 	int agp_version_major;
558 	int agp_version_minor;
559 	unsigned long mode;
560 	unsigned long aperture_base;	/* physical address */
561 	unsigned long aperture_size;	/* bytes */
562 	unsigned long memory_allowed;	/* bytes */
563 	unsigned long memory_used;
564 
565 	/* PCI information */
566 	unsigned short id_vendor;
567 	unsigned short id_device;
568 };
569 
570 /**
571  * DRM_IOCTL_SG_ALLOC ioctl argument type.
572  */
573 struct drm_scatter_gather {
574 	unsigned long size;	/**< In bytes -- will round to page boundary */
575 	unsigned long handle;	/**< Used for mapping / unmapping */
576 };
577 
578 /**
579  * DRM_IOCTL_SET_VERSION ioctl argument type.
580  */
581 struct drm_set_version {
582 	int drm_di_major;
583 	int drm_di_minor;
584 	int drm_dd_major;
585 	int drm_dd_minor;
586 };
587 
588 /** DRM_IOCTL_GEM_CLOSE ioctl argument type */
589 struct drm_gem_close {
590 	/** Handle of the object to be closed. */
591 	__u32 handle;
592 	__u32 pad;
593 };
594 
595 /** DRM_IOCTL_GEM_FLINK ioctl argument type */
596 struct drm_gem_flink {
597 	/** Handle for the object being named */
598 	__u32 handle;
599 
600 	/** Returned global name */
601 	__u32 name;
602 };
603 
604 /** DRM_IOCTL_GEM_OPEN ioctl argument type */
605 struct drm_gem_open {
606 	/** Name of object being opened */
607 	__u32 name;
608 
609 	/** Returned handle for the object */
610 	__u32 handle;
611 
612 	/** Returned size of the object */
613 	__u64 size;
614 };
615 
616 /** DRM_IOCTL_GET_CAP ioctl argument type */
617 struct drm_get_cap {
618 	__u64 capability;
619 	__u64 value;
620 };
621 
622 #define DRM_CLOEXEC O_CLOEXEC
623 struct drm_prime_handle {
624 	__u32 handle;
625 
626 	/** Flags.. only applicable for handle->fd */
627 	__u32 flags;
628 
629 	/** Returned dmabuf file descriptor */
630 	__s32 fd;
631 };
632 
633 #include <dev/drm2/drm_mode.h>
634 
635 #define DRM_IOCTL_BASE			'd'
636 #define DRM_IO(nr)			_IO(DRM_IOCTL_BASE,nr)
637 #define DRM_IOR(nr,type)		_IOR(DRM_IOCTL_BASE,nr,type)
638 #define DRM_IOW(nr,type)		_IOW(DRM_IOCTL_BASE,nr,type)
639 #define DRM_IOWR(nr,type)		_IOWR(DRM_IOCTL_BASE,nr,type)
640 
641 #define DRM_IOCTL_VERSION		DRM_IOWR(0x00, struct drm_version)
642 #define DRM_IOCTL_GET_UNIQUE		DRM_IOWR(0x01, struct drm_unique)
643 #define DRM_IOCTL_GET_MAGIC		DRM_IOR( 0x02, struct drm_auth)
644 #define DRM_IOCTL_IRQ_BUSID		DRM_IOWR(0x03, struct drm_irq_busid)
645 #define DRM_IOCTL_GET_MAP               DRM_IOWR(0x04, struct drm_map)
646 #define DRM_IOCTL_GET_CLIENT            DRM_IOWR(0x05, struct drm_client)
647 #define DRM_IOCTL_GET_STATS             DRM_IOR( 0x06, struct drm_stats)
648 #define DRM_IOCTL_SET_VERSION		DRM_IOWR(0x07, struct drm_set_version)
649 #define DRM_IOCTL_MODESET_CTL           DRM_IOW(0x08, struct drm_modeset_ctl)
650 #define DRM_IOCTL_GEM_CLOSE		DRM_IOW (0x09, struct drm_gem_close)
651 #define DRM_IOCTL_GEM_FLINK		DRM_IOWR(0x0a, struct drm_gem_flink)
652 #define DRM_IOCTL_GEM_OPEN		DRM_IOWR(0x0b, struct drm_gem_open)
653 #define DRM_IOCTL_GET_CAP		DRM_IOWR(0x0c, struct drm_get_cap)
654 
655 #define DRM_IOCTL_SET_UNIQUE		DRM_IOW( 0x10, struct drm_unique)
656 #define DRM_IOCTL_AUTH_MAGIC		DRM_IOW( 0x11, struct drm_auth)
657 #define DRM_IOCTL_BLOCK			DRM_IOWR(0x12, struct drm_block)
658 #define DRM_IOCTL_UNBLOCK		DRM_IOWR(0x13, struct drm_block)
659 #define DRM_IOCTL_CONTROL		DRM_IOW( 0x14, struct drm_control)
660 #define DRM_IOCTL_ADD_MAP		DRM_IOWR(0x15, struct drm_map)
661 #define DRM_IOCTL_ADD_BUFS		DRM_IOWR(0x16, struct drm_buf_desc)
662 #define DRM_IOCTL_MARK_BUFS		DRM_IOW( 0x17, struct drm_buf_desc)
663 #define DRM_IOCTL_INFO_BUFS		DRM_IOWR(0x18, struct drm_buf_info)
664 #define DRM_IOCTL_MAP_BUFS		DRM_IOWR(0x19, struct drm_buf_map)
665 #define DRM_IOCTL_FREE_BUFS		DRM_IOW( 0x1a, struct drm_buf_free)
666 
667 #define DRM_IOCTL_RM_MAP		DRM_IOW( 0x1b, struct drm_map)
668 
669 #define DRM_IOCTL_SET_SAREA_CTX		DRM_IOW( 0x1c, struct drm_ctx_priv_map)
670 #define DRM_IOCTL_GET_SAREA_CTX 	DRM_IOWR(0x1d, struct drm_ctx_priv_map)
671 
672 #define DRM_IOCTL_SET_MASTER            DRM_IO(0x1e)
673 #define DRM_IOCTL_DROP_MASTER           DRM_IO(0x1f)
674 
675 #define DRM_IOCTL_ADD_CTX		DRM_IOWR(0x20, struct drm_ctx)
676 #define DRM_IOCTL_RM_CTX		DRM_IOWR(0x21, struct drm_ctx)
677 #define DRM_IOCTL_MOD_CTX		DRM_IOW( 0x22, struct drm_ctx)
678 #define DRM_IOCTL_GET_CTX		DRM_IOWR(0x23, struct drm_ctx)
679 #define DRM_IOCTL_SWITCH_CTX		DRM_IOW( 0x24, struct drm_ctx)
680 #define DRM_IOCTL_NEW_CTX		DRM_IOW( 0x25, struct drm_ctx)
681 #define DRM_IOCTL_RES_CTX		DRM_IOWR(0x26, struct drm_ctx_res)
682 #define DRM_IOCTL_ADD_DRAW		DRM_IOWR(0x27, struct drm_draw)
683 #define DRM_IOCTL_RM_DRAW		DRM_IOWR(0x28, struct drm_draw)
684 #define DRM_IOCTL_DMA			DRM_IOWR(0x29, struct drm_dma)
685 #define DRM_IOCTL_LOCK			DRM_IOW( 0x2a, struct drm_lock)
686 #define DRM_IOCTL_UNLOCK		DRM_IOW( 0x2b, struct drm_lock)
687 #define DRM_IOCTL_FINISH		DRM_IOW( 0x2c, struct drm_lock)
688 
689 #define DRM_IOCTL_PRIME_HANDLE_TO_FD    DRM_IOWR(0x2d, struct drm_prime_handle)
690 #define DRM_IOCTL_PRIME_FD_TO_HANDLE    DRM_IOWR(0x2e, struct drm_prime_handle)
691 
692 #define DRM_IOCTL_AGP_ACQUIRE		DRM_IO(  0x30)
693 #define DRM_IOCTL_AGP_RELEASE		DRM_IO(  0x31)
694 #define DRM_IOCTL_AGP_ENABLE		DRM_IOW( 0x32, struct drm_agp_mode)
695 #define DRM_IOCTL_AGP_INFO		DRM_IOR( 0x33, struct drm_agp_info)
696 #define DRM_IOCTL_AGP_ALLOC		DRM_IOWR(0x34, struct drm_agp_buffer)
697 #define DRM_IOCTL_AGP_FREE		DRM_IOW( 0x35, struct drm_agp_buffer)
698 #define DRM_IOCTL_AGP_BIND		DRM_IOW( 0x36, struct drm_agp_binding)
699 #define DRM_IOCTL_AGP_UNBIND		DRM_IOW( 0x37, struct drm_agp_binding)
700 
701 #define DRM_IOCTL_SG_ALLOC		DRM_IOWR(0x38, struct drm_scatter_gather)
702 #define DRM_IOCTL_SG_FREE		DRM_IOW( 0x39, struct drm_scatter_gather)
703 
704 #define DRM_IOCTL_WAIT_VBLANK		DRM_IOWR(0x3a, union drm_wait_vblank)
705 
706 #define DRM_IOCTL_UPDATE_DRAW		DRM_IOW(0x3f, struct drm_update_draw)
707 
708 #define DRM_IOCTL_MODE_GETRESOURCES	DRM_IOWR(0xA0, struct drm_mode_card_res)
709 #define DRM_IOCTL_MODE_GETCRTC		DRM_IOWR(0xA1, struct drm_mode_crtc)
710 #define DRM_IOCTL_MODE_SETCRTC		DRM_IOWR(0xA2, struct drm_mode_crtc)
711 #define DRM_IOCTL_MODE_CURSOR		DRM_IOWR(0xA3, struct drm_mode_cursor)
712 #define DRM_IOCTL_MODE_GETGAMMA		DRM_IOWR(0xA4, struct drm_mode_crtc_lut)
713 #define DRM_IOCTL_MODE_SETGAMMA		DRM_IOWR(0xA5, struct drm_mode_crtc_lut)
714 #define DRM_IOCTL_MODE_GETENCODER	DRM_IOWR(0xA6, struct drm_mode_get_encoder)
715 #define DRM_IOCTL_MODE_GETCONNECTOR	DRM_IOWR(0xA7, struct drm_mode_get_connector)
716 #define DRM_IOCTL_MODE_ATTACHMODE	DRM_IOWR(0xA8, struct drm_mode_mode_cmd)
717 #define DRM_IOCTL_MODE_DETACHMODE	DRM_IOWR(0xA9, struct drm_mode_mode_cmd)
718 
719 #define DRM_IOCTL_MODE_GETPROPERTY	DRM_IOWR(0xAA, struct drm_mode_get_property)
720 #define DRM_IOCTL_MODE_SETPROPERTY	DRM_IOWR(0xAB, struct drm_mode_connector_set_property)
721 #define DRM_IOCTL_MODE_GETPROPBLOB	DRM_IOWR(0xAC, struct drm_mode_get_blob)
722 #define DRM_IOCTL_MODE_GETFB		DRM_IOWR(0xAD, struct drm_mode_fb_cmd)
723 #define DRM_IOCTL_MODE_ADDFB		DRM_IOWR(0xAE, struct drm_mode_fb_cmd)
724 #define DRM_IOCTL_MODE_RMFB		DRM_IOWR(0xAF, unsigned int)
725 #define DRM_IOCTL_MODE_PAGE_FLIP	DRM_IOWR(0xB0, struct drm_mode_crtc_page_flip)
726 #define DRM_IOCTL_MODE_DIRTYFB		DRM_IOWR(0xB1, struct drm_mode_fb_dirty_cmd)
727 
728 #define DRM_IOCTL_MODE_CREATE_DUMB DRM_IOWR(0xB2, struct drm_mode_create_dumb)
729 #define DRM_IOCTL_MODE_MAP_DUMB    DRM_IOWR(0xB3, struct drm_mode_map_dumb)
730 #define DRM_IOCTL_MODE_DESTROY_DUMB    DRM_IOWR(0xB4, struct drm_mode_destroy_dumb)
731 #define DRM_IOCTL_MODE_GETPLANERESOURCES DRM_IOWR(0xB5, struct drm_mode_get_plane_res)
732 #define DRM_IOCTL_MODE_GETPLANE	DRM_IOWR(0xB6, struct drm_mode_get_plane)
733 #define DRM_IOCTL_MODE_SETPLANE	DRM_IOWR(0xB7, struct drm_mode_set_plane)
734 #define DRM_IOCTL_MODE_ADDFB2		DRM_IOWR(0xB8, struct drm_mode_fb_cmd2)
735 #define DRM_IOCTL_MODE_OBJ_GETPROPERTIES	DRM_IOWR(0xB9, struct drm_mode_obj_get_properties)
736 #define DRM_IOCTL_MODE_OBJ_SETPROPERTY	DRM_IOWR(0xBA, struct drm_mode_obj_set_property)
737 
738 /**
739  * Device specific ioctls should only be in their respective headers
740  * The device specific ioctl range is from 0x40 to 0x99.
741  * Generic IOCTLS restart at 0xA0.
742  *
743  * \sa drmCommandNone(), drmCommandRead(), drmCommandWrite(), and
744  * drmCommandReadWrite().
745  */
746 #define DRM_COMMAND_BASE                0x40
747 #define DRM_COMMAND_END			0xA0
748 
749 /**
750  * Header for events written back to userspace on the drm fd.  The
751  * type defines the type of event, the length specifies the total
752  * length of the event (including the header), and user_data is
753  * typically a 64 bit value passed with the ioctl that triggered the
754  * event.  A read on the drm fd will always only return complete
755  * events, that is, if for example the read buffer is 100 bytes, and
756  * there are two 64 byte events pending, only one will be returned.
757  *
758  * Event types 0 - 0x7fffffff are generic drm events, 0x80000000 and
759  * up are chipset specific.
760  */
761 struct drm_event {
762 	__u32 type;
763 	__u32 length;
764 };
765 
766 #define DRM_EVENT_VBLANK 0x01
767 #define DRM_EVENT_FLIP_COMPLETE 0x02
768 
769 struct drm_event_vblank {
770 	struct drm_event base;
771 	__u64 user_data;
772 	__u32 tv_sec;
773 	__u32 tv_usec;
774 	__u32 sequence;
775 	__u32 reserved;
776 };
777 
778 #define DRM_CAP_DUMB_BUFFER 0x1
779 #define DRM_CAP_VBLANK_HIGH_CRTC 0x2
780 #define DRM_CAP_DUMB_PREFERRED_DEPTH 0x3
781 #define DRM_CAP_DUMB_PREFER_SHADOW 0x4
782 #define DRM_CAP_PRIME 0x5
783 #define DRM_CAP_TIMESTAMP_MONOTONIC 0x6
784 
785 #define DRM_PRIME_CAP_IMPORT 0x1
786 #define DRM_PRIME_CAP_EXPORT 0x2
787 
788 /* typedef area */
789 #ifndef __KERNEL__
790 typedef struct drm_clip_rect drm_clip_rect_t;
791 typedef struct drm_drawable_info drm_drawable_info_t;
792 typedef struct drm_tex_region drm_tex_region_t;
793 typedef struct drm_hw_lock drm_hw_lock_t;
794 typedef struct drm_version drm_version_t;
795 typedef struct drm_unique drm_unique_t;
796 typedef struct drm_list drm_list_t;
797 typedef struct drm_block drm_block_t;
798 typedef struct drm_control drm_control_t;
799 typedef enum drm_map_type drm_map_type_t;
800 typedef enum drm_map_flags drm_map_flags_t;
801 typedef struct drm_ctx_priv_map drm_ctx_priv_map_t;
802 typedef struct drm_map drm_map_t;
803 typedef struct drm_client drm_client_t;
804 typedef enum drm_stat_type drm_stat_type_t;
805 typedef struct drm_stats drm_stats_t;
806 typedef enum drm_lock_flags drm_lock_flags_t;
807 typedef struct drm_lock drm_lock_t;
808 typedef enum drm_dma_flags drm_dma_flags_t;
809 typedef struct drm_buf_desc drm_buf_desc_t;
810 typedef struct drm_buf_info drm_buf_info_t;
811 typedef struct drm_buf_free drm_buf_free_t;
812 typedef struct drm_buf_pub drm_buf_pub_t;
813 typedef struct drm_buf_map drm_buf_map_t;
814 typedef struct drm_dma drm_dma_t;
815 typedef union drm_wait_vblank drm_wait_vblank_t;
816 typedef struct drm_agp_mode drm_agp_mode_t;
817 typedef enum drm_ctx_flags drm_ctx_flags_t;
818 typedef struct drm_ctx drm_ctx_t;
819 typedef struct drm_ctx_res drm_ctx_res_t;
820 typedef struct drm_draw drm_draw_t;
821 typedef struct drm_update_draw drm_update_draw_t;
822 typedef struct drm_auth drm_auth_t;
823 typedef struct drm_irq_busid drm_irq_busid_t;
824 typedef enum drm_vblank_seq_type drm_vblank_seq_type_t;
825 
826 typedef struct drm_agp_buffer drm_agp_buffer_t;
827 typedef struct drm_agp_binding drm_agp_binding_t;
828 typedef struct drm_agp_info drm_agp_info_t;
829 typedef struct drm_scatter_gather drm_scatter_gather_t;
830 typedef struct drm_set_version drm_set_version_t;
831 #endif
832 
833 #endif
834