xref: /freebsd/sys/dev/drm2/drm.h (revision 94cba8034ba53725c225c85e35724f0c2b13cea5)
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 __FBSDID("$FreeBSD$");
38 
39 #ifndef _DRM_H_
40 #define _DRM_H_
41 
42 #if defined(__linux__)
43 
44 #include <linux/types.h>
45 #include <asm/ioctl.h>
46 typedef unsigned int drm_handle_t;
47 
48 #else /* One of the BSDs */
49 
50 #include <sys/ioccom.h>
51 #include <sys/types.h>
52 typedef int8_t   __s8;
53 typedef uint8_t  __u8;
54 typedef int16_t  __s16;
55 typedef uint16_t __u16;
56 typedef int32_t  __s32;
57 typedef uint32_t __u32;
58 typedef int64_t  __s64;
59 typedef uint64_t __u64;
60 typedef unsigned long drm_handle_t;
61 
62 #include <dev/drm2/drm_os_freebsd.h>
63 #endif
64 
65 #define DRM_NAME	"drm"	  /**< Name in kernel, /dev, and /proc */
66 #define DRM_MIN_ORDER	5	  /**< At least 2^5 bytes = 32 bytes */
67 #define DRM_MAX_ORDER	22	  /**< Up to 2^22 bytes = 4MB */
68 #define DRM_RAM_PERCENT 10	  /**< How much system ram can we lock? */
69 
70 #define _DRM_LOCK_HELD	0x80000000U /**< Hardware lock is held */
71 #define _DRM_LOCK_CONT	0x40000000U /**< Hardware lock is contended */
72 #define _DRM_LOCK_IS_HELD(lock)	   ((lock) & _DRM_LOCK_HELD)
73 #define _DRM_LOCK_IS_CONT(lock)	   ((lock) & _DRM_LOCK_CONT)
74 #define _DRM_LOCKING_CONTEXT(lock) ((lock) & ~(_DRM_LOCK_HELD|_DRM_LOCK_CONT))
75 
76 typedef unsigned int drm_context_t;
77 typedef unsigned int drm_drawable_t;
78 typedef unsigned int drm_magic_t;
79 
80 /**
81  * Cliprect.
82  *
83  * \warning: If you change this structure, make sure you change
84  * XF86DRIClipRectRec in the server as well
85  *
86  * \note KW: Actually it's illegal to change either for
87  * backwards-compatibility reasons.
88  */
89 struct drm_clip_rect {
90 	unsigned short x1;
91 	unsigned short y1;
92 	unsigned short x2;
93 	unsigned short y2;
94 };
95 
96 /**
97  * Drawable information.
98  */
99 struct drm_drawable_info {
100 	unsigned int num_rects;
101 	struct drm_clip_rect *rects;
102 };
103 
104 /**
105  * Texture region,
106  */
107 struct drm_tex_region {
108 	unsigned char next;
109 	unsigned char prev;
110 	unsigned char in_use;
111 	unsigned char padding;
112 	unsigned int age;
113 };
114 
115 /**
116  * Hardware lock.
117  *
118  * The lock structure is a simple cache-line aligned integer.  To avoid
119  * processor bus contention on a multiprocessor system, there should not be any
120  * other data stored in the same cache line.
121  */
122 struct drm_hw_lock {
123 	__volatile__ unsigned int lock;		/**< lock variable */
124 	char padding[60];			/**< Pad to cache line */
125 };
126 
127 /**
128  * DRM_IOCTL_VERSION ioctl argument type.
129  *
130  * \sa drmGetVersion().
131  */
132 struct drm_version {
133 	int version_major;	  /**< Major version */
134 	int version_minor;	  /**< Minor version */
135 	int version_patchlevel;	  /**< Patch level */
136 	size_t name_len;	  /**< Length of name buffer */
137 	char __user *name;	  /**< Name of driver */
138 	size_t date_len;	  /**< Length of date buffer */
139 	char __user *date;	  /**< User-space buffer to hold date */
140 	size_t desc_len;	  /**< Length of desc buffer */
141 	char __user *desc;	  /**< User-space buffer to hold desc */
142 };
143 
144 /**
145  * DRM_IOCTL_GET_UNIQUE ioctl argument type.
146  *
147  * \sa drmGetBusid() and drmSetBusId().
148  */
149 struct drm_unique {
150 	size_t unique_len;	  /**< Length of unique */
151 	char __user *unique;	  /**< Unique name for driver instantiation */
152 };
153 
154 struct drm_list {
155 	int count;		  /**< Length of user-space structures */
156 	struct drm_version __user *version;
157 };
158 
159 struct drm_block {
160 	int unused;
161 };
162 
163 /**
164  * DRM_IOCTL_CONTROL ioctl argument type.
165  *
166  * \sa drmCtlInstHandler() and drmCtlUninstHandler().
167  */
168 struct drm_control {
169 	enum {
170 		DRM_ADD_COMMAND,
171 		DRM_RM_COMMAND,
172 		DRM_INST_HANDLER,
173 		DRM_UNINST_HANDLER
174 	} func;
175 	int irq;
176 };
177 
178 /**
179  * Type of memory to map.
180  */
181 enum drm_map_type {
182 	_DRM_FRAME_BUFFER = 0,	  /**< WC (no caching), no core dump */
183 	_DRM_REGISTERS = 1,	  /**< no caching, no core dump */
184 	_DRM_SHM = 2,		  /**< shared, cached */
185 	_DRM_AGP = 3,		  /**< AGP/GART */
186 	_DRM_SCATTER_GATHER = 4,  /**< Scatter/gather memory for PCI DMA */
187 	_DRM_CONSISTENT = 5,	  /**< Consistent memory for PCI DMA */
188 	_DRM_GEM = 6,		  /**< GEM object */
189 };
190 
191 /**
192  * Memory mapping flags.
193  */
194 enum drm_map_flags {
195 	_DRM_RESTRICTED = 0x01,	     /**< Cannot be mapped to user-virtual */
196 	_DRM_READ_ONLY = 0x02,
197 	_DRM_LOCKED = 0x04,	     /**< shared, cached, locked */
198 	_DRM_KERNEL = 0x08,	     /**< kernel requires access */
199 	_DRM_WRITE_COMBINING = 0x10, /**< use write-combining if available */
200 	_DRM_CONTAINS_LOCK = 0x20,   /**< SHM page that contains lock */
201 	_DRM_REMOVABLE = 0x40,	     /**< Removable mapping */
202 	_DRM_DRIVER = 0x80	     /**< Managed by driver */
203 };
204 
205 struct drm_ctx_priv_map {
206 	unsigned int ctx_id;	 /**< Context requesting private mapping */
207 	void *handle;		 /**< Handle of map */
208 };
209 
210 /**
211  * DRM_IOCTL_GET_MAP, DRM_IOCTL_ADD_MAP and DRM_IOCTL_RM_MAP ioctls
212  * argument type.
213  *
214  * \sa drmAddMap().
215  */
216 struct drm_map {
217 	unsigned long offset;	 /**< Requested physical address (0 for SAREA)*/
218 	unsigned long size;	 /**< Requested physical size (bytes) */
219 	enum drm_map_type type;	 /**< Type of memory to map */
220 	enum drm_map_flags flags;	 /**< Flags */
221 	void *handle;		 /**< User-space: "Handle" to pass to mmap() */
222 				 /**< Kernel-space: kernel-virtual address */
223 	int mtrr;		 /**< MTRR slot used */
224 	/*   Private data */
225 };
226 
227 /**
228  * DRM_IOCTL_GET_CLIENT ioctl argument type.
229  */
230 struct drm_client {
231 	int idx;		/**< Which client desired? */
232 	int auth;		/**< Is client authenticated? */
233 	unsigned long pid;	/**< Process ID */
234 	unsigned long uid;	/**< User ID */
235 	unsigned long magic;	/**< Magic */
236 	unsigned long iocs;	/**< Ioctl count */
237 };
238 
239 enum drm_stat_type {
240 	_DRM_STAT_LOCK,
241 	_DRM_STAT_OPENS,
242 	_DRM_STAT_CLOSES,
243 	_DRM_STAT_IOCTLS,
244 	_DRM_STAT_LOCKS,
245 	_DRM_STAT_UNLOCKS,
246 	_DRM_STAT_VALUE,	/**< Generic value */
247 	_DRM_STAT_BYTE,		/**< Generic byte counter (1024bytes/K) */
248 	_DRM_STAT_COUNT,	/**< Generic non-byte counter (1000/k) */
249 
250 	_DRM_STAT_IRQ,		/**< IRQ */
251 	_DRM_STAT_PRIMARY,	/**< Primary DMA bytes */
252 	_DRM_STAT_SECONDARY,	/**< Secondary DMA bytes */
253 	_DRM_STAT_DMA,		/**< DMA */
254 	_DRM_STAT_SPECIAL,	/**< Special DMA (e.g., priority or polled) */
255 	_DRM_STAT_MISSED	/**< Missed DMA opportunity */
256 	    /* Add to the *END* of the list */
257 };
258 
259 /**
260  * DRM_IOCTL_GET_STATS ioctl argument type.
261  */
262 struct drm_stats {
263 	unsigned long count;
264 	struct {
265 		unsigned long value;
266 		enum drm_stat_type type;
267 	} data[15];
268 };
269 
270 /**
271  * Hardware locking flags.
272  */
273 enum drm_lock_flags {
274 	_DRM_LOCK_READY = 0x01,	     /**< Wait until hardware is ready for DMA */
275 	_DRM_LOCK_QUIESCENT = 0x02,  /**< Wait until hardware quiescent */
276 	_DRM_LOCK_FLUSH = 0x04,	     /**< Flush this context's DMA queue first */
277 	_DRM_LOCK_FLUSH_ALL = 0x08,  /**< Flush all DMA queues first */
278 	/* These *HALT* flags aren't supported yet
279 	   -- they will be used to support the
280 	   full-screen DGA-like mode. */
281 	_DRM_HALT_ALL_QUEUES = 0x10, /**< Halt all current and future queues */
282 	_DRM_HALT_CUR_QUEUES = 0x20  /**< Halt all current queues */
283 };
284 
285 /**
286  * DRM_IOCTL_LOCK, DRM_IOCTL_UNLOCK and DRM_IOCTL_FINISH ioctl argument type.
287  *
288  * \sa drmGetLock() and drmUnlock().
289  */
290 struct drm_lock {
291 	int context;
292 	enum drm_lock_flags flags;
293 };
294 
295 /**
296  * DMA flags
297  *
298  * \warning
299  * These values \e must match xf86drm.h.
300  *
301  * \sa drm_dma.
302  */
303 enum drm_dma_flags {
304 	/* Flags for DMA buffer dispatch */
305 	_DRM_DMA_BLOCK = 0x01,	      /**<
306 				       * Block until buffer dispatched.
307 				       *
308 				       * \note The buffer may not yet have
309 				       * been processed by the hardware --
310 				       * getting a hardware lock with the
311 				       * hardware quiescent will ensure
312 				       * that the buffer has been
313 				       * processed.
314 				       */
315 	_DRM_DMA_WHILE_LOCKED = 0x02, /**< Dispatch while lock held */
316 	_DRM_DMA_PRIORITY = 0x04,     /**< High priority dispatch */
317 
318 	/* Flags for DMA buffer request */
319 	_DRM_DMA_WAIT = 0x10,	      /**< Wait for free buffers */
320 	_DRM_DMA_SMALLER_OK = 0x20,   /**< Smaller-than-requested buffers OK */
321 	_DRM_DMA_LARGER_OK = 0x40     /**< Larger-than-requested buffers OK */
322 };
323 
324 /**
325  * DRM_IOCTL_ADD_BUFS and DRM_IOCTL_MARK_BUFS ioctl argument type.
326  *
327  * \sa drmAddBufs().
328  */
329 struct drm_buf_desc {
330 	int count;		 /**< Number of buffers of this size */
331 	int size;		 /**< Size in bytes */
332 	int low_mark;		 /**< Low water mark */
333 	int high_mark;		 /**< High water mark */
334 	enum {
335 		_DRM_PAGE_ALIGN = 0x01,	/**< Align on page boundaries for DMA */
336 		_DRM_AGP_BUFFER = 0x02,	/**< Buffer is in AGP space */
337 		_DRM_SG_BUFFER = 0x04,	/**< Scatter/gather memory buffer */
338 		_DRM_FB_BUFFER = 0x08,	/**< Buffer is in frame buffer */
339 		_DRM_PCI_BUFFER_RO = 0x10 /**< Map PCI DMA buffer read-only */
340 	} flags;
341 	unsigned long agp_start; /**<
342 				  * Start address of where the AGP buffers are
343 				  * in the AGP aperture
344 				  */
345 };
346 
347 /**
348  * DRM_IOCTL_INFO_BUFS ioctl argument type.
349  */
350 struct drm_buf_info {
351 	int count;		/**< Entries in list */
352 	struct drm_buf_desc __user *list;
353 };
354 
355 /**
356  * DRM_IOCTL_FREE_BUFS ioctl argument type.
357  */
358 struct drm_buf_free {
359 	int count;
360 	int __user *list;
361 };
362 
363 /**
364  * Buffer information
365  *
366  * \sa drm_buf_map.
367  */
368 struct drm_buf_pub {
369 	int idx;		       /**< Index into the master buffer list */
370 	int total;		       /**< Buffer size */
371 	int used;		       /**< Amount of buffer in use (for DMA) */
372 	void __user *address;	       /**< Address of buffer */
373 };
374 
375 /**
376  * DRM_IOCTL_MAP_BUFS ioctl argument type.
377  */
378 struct drm_buf_map {
379 	int count;		/**< Length of the buffer list */
380 	void __user *virtual;		/**< Mmap'd area in user-virtual */
381 	struct drm_buf_pub __user *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 __user *send_indices;	  /**< List of handles to buffers */
395 	int __user *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 __user *request_indices;	  /**< Buffer information */
400 	int __user *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 __user *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 	/* bits 1-6 are reserved for high crtcs */
471 	_DRM_VBLANK_HIGH_CRTC_MASK = 0x0000003e,
472 	_DRM_VBLANK_EVENT = 0x4000000,   /**< Send event instead of blocking */
473 	_DRM_VBLANK_FLIP = 0x8000000,   /**< Scheduled buffer swap should flip */
474 	_DRM_VBLANK_NEXTONMISS = 0x10000000,	/**< If missed, wait for next vblank */
475 	_DRM_VBLANK_SECONDARY = 0x20000000,	/**< Secondary display controller */
476 	_DRM_VBLANK_SIGNAL = 0x40000000	/**< Send signal instead of blocking, unsupported */
477 };
478 #define _DRM_VBLANK_HIGH_CRTC_SHIFT 1
479 
480 #define _DRM_VBLANK_TYPES_MASK (_DRM_VBLANK_ABSOLUTE | _DRM_VBLANK_RELATIVE)
481 #define _DRM_VBLANK_FLAGS_MASK (_DRM_VBLANK_EVENT | _DRM_VBLANK_SIGNAL | \
482 				_DRM_VBLANK_SECONDARY | _DRM_VBLANK_NEXTONMISS)
483 
484 struct drm_wait_vblank_request {
485 	enum drm_vblank_seq_type type;
486 	unsigned int sequence;
487 	unsigned long signal;
488 };
489 
490 struct drm_wait_vblank_reply {
491 	enum drm_vblank_seq_type type;
492 	unsigned int sequence;
493 	long tval_sec;
494 	long tval_usec;
495 };
496 
497 /**
498  * DRM_IOCTL_WAIT_VBLANK ioctl argument type.
499  *
500  * \sa drmWaitVBlank().
501  */
502 union drm_wait_vblank {
503 	struct drm_wait_vblank_request request;
504 	struct drm_wait_vblank_reply reply;
505 };
506 
507 #define _DRM_PRE_MODESET 1
508 #define _DRM_POST_MODESET 2
509 
510 /**
511  * DRM_IOCTL_MODESET_CTL ioctl argument type
512  *
513  * \sa drmModesetCtl().
514  */
515 struct drm_modeset_ctl {
516 	__u32 crtc;
517 	__u32 cmd;
518 };
519 
520 /**
521  * DRM_IOCTL_AGP_ENABLE ioctl argument type.
522  *
523  * \sa drmAgpEnable().
524  */
525 struct drm_agp_mode {
526 	unsigned long mode;	/**< AGP mode */
527 };
528 
529 /**
530  * DRM_IOCTL_AGP_ALLOC and DRM_IOCTL_AGP_FREE ioctls argument type.
531  *
532  * \sa drmAgpAlloc() and drmAgpFree().
533  */
534 struct drm_agp_buffer {
535 	unsigned long size;	/**< In bytes -- will round to page boundary */
536 	unsigned long handle;	/**< Used for binding / unbinding */
537 	unsigned long type;	/**< Type of memory to allocate */
538 	unsigned long physical;	/**< Physical used by i810 */
539 };
540 
541 /**
542  * DRM_IOCTL_AGP_BIND and DRM_IOCTL_AGP_UNBIND ioctls argument type.
543  *
544  * \sa drmAgpBind() and drmAgpUnbind().
545  */
546 struct drm_agp_binding {
547 	unsigned long handle;	/**< From drm_agp_buffer */
548 	unsigned long offset;	/**< In bytes -- will round to page boundary */
549 };
550 
551 /**
552  * DRM_IOCTL_AGP_INFO ioctl argument type.
553  *
554  * \sa drmAgpVersionMajor(), drmAgpVersionMinor(), drmAgpGetMode(),
555  * drmAgpBase(), drmAgpSize(), drmAgpMemoryUsed(), drmAgpMemoryAvail(),
556  * drmAgpVendorId() and drmAgpDeviceId().
557  */
558 struct drm_agp_info {
559 	int agp_version_major;
560 	int agp_version_minor;
561 	unsigned long mode;
562 	unsigned long aperture_base;	/* physical address */
563 	unsigned long aperture_size;	/* bytes */
564 	unsigned long memory_allowed;	/* bytes */
565 	unsigned long memory_used;
566 
567 	/* PCI information */
568 	unsigned short id_vendor;
569 	unsigned short id_device;
570 };
571 
572 /**
573  * DRM_IOCTL_SG_ALLOC ioctl argument type.
574  */
575 struct drm_scatter_gather {
576 	unsigned long size;	/**< In bytes -- will round to page boundary */
577 	unsigned long handle;	/**< Used for mapping / unmapping */
578 };
579 
580 /**
581  * DRM_IOCTL_SET_VERSION ioctl argument type.
582  */
583 struct drm_set_version {
584 	int drm_di_major;
585 	int drm_di_minor;
586 	int drm_dd_major;
587 	int drm_dd_minor;
588 };
589 
590 /** DRM_IOCTL_GEM_CLOSE ioctl argument type */
591 struct drm_gem_close {
592 	/** Handle of the object to be closed. */
593 	__u32 handle;
594 	__u32 pad;
595 };
596 
597 /** DRM_IOCTL_GEM_FLINK ioctl argument type */
598 struct drm_gem_flink {
599 	/** Handle for the object being named */
600 	__u32 handle;
601 
602 	/** Returned global name */
603 	__u32 name;
604 };
605 
606 /** DRM_IOCTL_GEM_OPEN ioctl argument type */
607 struct drm_gem_open {
608 	/** Name of object being opened */
609 	__u32 name;
610 
611 	/** Returned handle for the object */
612 	__u32 handle;
613 
614 	/** Returned size of the object */
615 	__u64 size;
616 };
617 
618 /** DRM_IOCTL_GET_CAP ioctl argument type */
619 struct drm_get_cap {
620 	__u64 capability;
621 	__u64 value;
622 };
623 
624 #define DRM_CLOEXEC O_CLOEXEC
625 struct drm_prime_handle {
626 	__u32 handle;
627 
628 	/** Flags.. only applicable for handle->fd */
629 	__u32 flags;
630 
631 	/** Returned dmabuf file descriptor */
632 	__s32 fd;
633 };
634 
635 #include <dev/drm2/drm_mode.h>
636 
637 #define DRM_IOCTL_BASE			'd'
638 #define DRM_IO(nr)			_IO(DRM_IOCTL_BASE,nr)
639 #define DRM_IOR(nr,type)		_IOR(DRM_IOCTL_BASE,nr,type)
640 #define DRM_IOW(nr,type)		_IOW(DRM_IOCTL_BASE,nr,type)
641 #define DRM_IOWR(nr,type)		_IOWR(DRM_IOCTL_BASE,nr,type)
642 
643 #define DRM_IOCTL_VERSION		DRM_IOWR(0x00, struct drm_version)
644 #define DRM_IOCTL_GET_UNIQUE		DRM_IOWR(0x01, struct drm_unique)
645 #define DRM_IOCTL_GET_MAGIC		DRM_IOR( 0x02, struct drm_auth)
646 #define DRM_IOCTL_IRQ_BUSID		DRM_IOWR(0x03, struct drm_irq_busid)
647 #define DRM_IOCTL_GET_MAP               DRM_IOWR(0x04, struct drm_map)
648 #define DRM_IOCTL_GET_CLIENT            DRM_IOWR(0x05, struct drm_client)
649 #define DRM_IOCTL_GET_STATS             DRM_IOR( 0x06, struct drm_stats)
650 #define DRM_IOCTL_SET_VERSION		DRM_IOWR(0x07, struct drm_set_version)
651 #define DRM_IOCTL_MODESET_CTL           DRM_IOW(0x08, struct drm_modeset_ctl)
652 #define DRM_IOCTL_GEM_CLOSE		DRM_IOW (0x09, struct drm_gem_close)
653 #define DRM_IOCTL_GEM_FLINK		DRM_IOWR(0x0a, struct drm_gem_flink)
654 #define DRM_IOCTL_GEM_OPEN		DRM_IOWR(0x0b, struct drm_gem_open)
655 #define DRM_IOCTL_GET_CAP		DRM_IOWR(0x0c, struct drm_get_cap)
656 
657 #define DRM_IOCTL_SET_UNIQUE		DRM_IOW( 0x10, struct drm_unique)
658 #define DRM_IOCTL_AUTH_MAGIC		DRM_IOW( 0x11, struct drm_auth)
659 #define DRM_IOCTL_BLOCK			DRM_IOWR(0x12, struct drm_block)
660 #define DRM_IOCTL_UNBLOCK		DRM_IOWR(0x13, struct drm_block)
661 #define DRM_IOCTL_CONTROL		DRM_IOW( 0x14, struct drm_control)
662 #define DRM_IOCTL_ADD_MAP		DRM_IOWR(0x15, struct drm_map)
663 #define DRM_IOCTL_ADD_BUFS		DRM_IOWR(0x16, struct drm_buf_desc)
664 #define DRM_IOCTL_MARK_BUFS		DRM_IOW( 0x17, struct drm_buf_desc)
665 #define DRM_IOCTL_INFO_BUFS		DRM_IOWR(0x18, struct drm_buf_info)
666 #define DRM_IOCTL_MAP_BUFS		DRM_IOWR(0x19, struct drm_buf_map)
667 #define DRM_IOCTL_FREE_BUFS		DRM_IOW( 0x1a, struct drm_buf_free)
668 
669 #define DRM_IOCTL_RM_MAP		DRM_IOW( 0x1b, struct drm_map)
670 
671 #define DRM_IOCTL_SET_SAREA_CTX		DRM_IOW( 0x1c, struct drm_ctx_priv_map)
672 #define DRM_IOCTL_GET_SAREA_CTX 	DRM_IOWR(0x1d, struct drm_ctx_priv_map)
673 
674 #define DRM_IOCTL_SET_MASTER            DRM_IO(0x1e)
675 #define DRM_IOCTL_DROP_MASTER           DRM_IO(0x1f)
676 
677 #define DRM_IOCTL_ADD_CTX		DRM_IOWR(0x20, struct drm_ctx)
678 #define DRM_IOCTL_RM_CTX		DRM_IOWR(0x21, struct drm_ctx)
679 #define DRM_IOCTL_MOD_CTX		DRM_IOW( 0x22, struct drm_ctx)
680 #define DRM_IOCTL_GET_CTX		DRM_IOWR(0x23, struct drm_ctx)
681 #define DRM_IOCTL_SWITCH_CTX		DRM_IOW( 0x24, struct drm_ctx)
682 #define DRM_IOCTL_NEW_CTX		DRM_IOW( 0x25, struct drm_ctx)
683 #define DRM_IOCTL_RES_CTX		DRM_IOWR(0x26, struct drm_ctx_res)
684 #define DRM_IOCTL_ADD_DRAW		DRM_IOWR(0x27, struct drm_draw)
685 #define DRM_IOCTL_RM_DRAW		DRM_IOWR(0x28, struct drm_draw)
686 #define DRM_IOCTL_DMA			DRM_IOWR(0x29, struct drm_dma)
687 #define DRM_IOCTL_LOCK			DRM_IOW( 0x2a, struct drm_lock)
688 #define DRM_IOCTL_UNLOCK		DRM_IOW( 0x2b, struct drm_lock)
689 #define DRM_IOCTL_FINISH		DRM_IOW( 0x2c, struct drm_lock)
690 
691 #define DRM_IOCTL_PRIME_HANDLE_TO_FD    DRM_IOWR(0x2d, struct drm_prime_handle)
692 #define DRM_IOCTL_PRIME_FD_TO_HANDLE    DRM_IOWR(0x2e, struct drm_prime_handle)
693 
694 #define DRM_IOCTL_AGP_ACQUIRE		DRM_IO(  0x30)
695 #define DRM_IOCTL_AGP_RELEASE		DRM_IO(  0x31)
696 #define DRM_IOCTL_AGP_ENABLE		DRM_IOW( 0x32, struct drm_agp_mode)
697 #define DRM_IOCTL_AGP_INFO		DRM_IOR( 0x33, struct drm_agp_info)
698 #define DRM_IOCTL_AGP_ALLOC		DRM_IOWR(0x34, struct drm_agp_buffer)
699 #define DRM_IOCTL_AGP_FREE		DRM_IOW( 0x35, struct drm_agp_buffer)
700 #define DRM_IOCTL_AGP_BIND		DRM_IOW( 0x36, struct drm_agp_binding)
701 #define DRM_IOCTL_AGP_UNBIND		DRM_IOW( 0x37, struct drm_agp_binding)
702 
703 #define DRM_IOCTL_SG_ALLOC		DRM_IOWR(0x38, struct drm_scatter_gather)
704 #define DRM_IOCTL_SG_FREE		DRM_IOW( 0x39, struct drm_scatter_gather)
705 
706 #define DRM_IOCTL_WAIT_VBLANK		DRM_IOWR(0x3a, union drm_wait_vblank)
707 
708 #define DRM_IOCTL_UPDATE_DRAW		DRM_IOW(0x3f, struct drm_update_draw)
709 
710 #define DRM_IOCTL_MODE_GETRESOURCES	DRM_IOWR(0xA0, struct drm_mode_card_res)
711 #define DRM_IOCTL_MODE_GETCRTC		DRM_IOWR(0xA1, struct drm_mode_crtc)
712 #define DRM_IOCTL_MODE_SETCRTC		DRM_IOWR(0xA2, struct drm_mode_crtc)
713 #define DRM_IOCTL_MODE_CURSOR		DRM_IOWR(0xA3, struct drm_mode_cursor)
714 #define DRM_IOCTL_MODE_GETGAMMA		DRM_IOWR(0xA4, struct drm_mode_crtc_lut)
715 #define DRM_IOCTL_MODE_SETGAMMA		DRM_IOWR(0xA5, struct drm_mode_crtc_lut)
716 #define DRM_IOCTL_MODE_GETENCODER	DRM_IOWR(0xA6, struct drm_mode_get_encoder)
717 #define DRM_IOCTL_MODE_GETCONNECTOR	DRM_IOWR(0xA7, struct drm_mode_get_connector)
718 #define DRM_IOCTL_MODE_ATTACHMODE	DRM_IOWR(0xA8, struct drm_mode_mode_cmd)
719 #define DRM_IOCTL_MODE_DETACHMODE	DRM_IOWR(0xA9, struct drm_mode_mode_cmd)
720 
721 #define DRM_IOCTL_MODE_GETPROPERTY	DRM_IOWR(0xAA, struct drm_mode_get_property)
722 #define DRM_IOCTL_MODE_SETPROPERTY	DRM_IOWR(0xAB, struct drm_mode_connector_set_property)
723 #define DRM_IOCTL_MODE_GETPROPBLOB	DRM_IOWR(0xAC, struct drm_mode_get_blob)
724 #define DRM_IOCTL_MODE_GETFB		DRM_IOWR(0xAD, struct drm_mode_fb_cmd)
725 #define DRM_IOCTL_MODE_ADDFB		DRM_IOWR(0xAE, struct drm_mode_fb_cmd)
726 #define DRM_IOCTL_MODE_RMFB		DRM_IOWR(0xAF, unsigned int)
727 #define DRM_IOCTL_MODE_PAGE_FLIP	DRM_IOWR(0xB0, struct drm_mode_crtc_page_flip)
728 #define DRM_IOCTL_MODE_DIRTYFB		DRM_IOWR(0xB1, struct drm_mode_fb_dirty_cmd)
729 
730 #define DRM_IOCTL_MODE_CREATE_DUMB DRM_IOWR(0xB2, struct drm_mode_create_dumb)
731 #define DRM_IOCTL_MODE_MAP_DUMB    DRM_IOWR(0xB3, struct drm_mode_map_dumb)
732 #define DRM_IOCTL_MODE_DESTROY_DUMB    DRM_IOWR(0xB4, struct drm_mode_destroy_dumb)
733 #define DRM_IOCTL_MODE_GETPLANERESOURCES DRM_IOWR(0xB5, struct drm_mode_get_plane_res)
734 #define DRM_IOCTL_MODE_GETPLANE	DRM_IOWR(0xB6, struct drm_mode_get_plane)
735 #define DRM_IOCTL_MODE_SETPLANE	DRM_IOWR(0xB7, struct drm_mode_set_plane)
736 #define DRM_IOCTL_MODE_ADDFB2		DRM_IOWR(0xB8, struct drm_mode_fb_cmd2)
737 #define DRM_IOCTL_MODE_OBJ_GETPROPERTIES	DRM_IOWR(0xB9, struct drm_mode_obj_get_properties)
738 #define DRM_IOCTL_MODE_OBJ_SETPROPERTY	DRM_IOWR(0xBA, struct drm_mode_obj_set_property)
739 
740 /**
741  * Device specific ioctls should only be in their respective headers
742  * The device specific ioctl range is from 0x40 to 0x99.
743  * Generic IOCTLS restart at 0xA0.
744  *
745  * \sa drmCommandNone(), drmCommandRead(), drmCommandWrite(), and
746  * drmCommandReadWrite().
747  */
748 #define DRM_COMMAND_BASE                0x40
749 #define DRM_COMMAND_END			0xA0
750 
751 /**
752  * Header for events written back to userspace on the drm fd.  The
753  * type defines the type of event, the length specifies the total
754  * length of the event (including the header), and user_data is
755  * typically a 64 bit value passed with the ioctl that triggered the
756  * event.  A read on the drm fd will always only return complete
757  * events, that is, if for example the read buffer is 100 bytes, and
758  * there are two 64 byte events pending, only one will be returned.
759  *
760  * Event types 0 - 0x7fffffff are generic drm events, 0x80000000 and
761  * up are chipset specific.
762  */
763 struct drm_event {
764 	__u32 type;
765 	__u32 length;
766 };
767 
768 #define DRM_EVENT_VBLANK 0x01
769 #define DRM_EVENT_FLIP_COMPLETE 0x02
770 
771 struct drm_event_vblank {
772 	struct drm_event base;
773 	__u64 user_data;
774 	__u32 tv_sec;
775 	__u32 tv_usec;
776 	__u32 sequence;
777 	__u32 reserved;
778 };
779 
780 #define DRM_CAP_DUMB_BUFFER 0x1
781 #define DRM_CAP_VBLANK_HIGH_CRTC 0x2
782 #define DRM_CAP_DUMB_PREFERRED_DEPTH 0x3
783 #define DRM_CAP_DUMB_PREFER_SHADOW 0x4
784 #define DRM_CAP_PRIME 0x5
785 #define DRM_CAP_TIMESTAMP_MONOTONIC 0x6
786 
787 #define DRM_PRIME_CAP_IMPORT 0x1
788 #define DRM_PRIME_CAP_EXPORT 0x2
789 
790 /* typedef area */
791 #ifndef __KERNEL__
792 typedef struct drm_clip_rect drm_clip_rect_t;
793 typedef struct drm_drawable_info drm_drawable_info_t;
794 typedef struct drm_tex_region drm_tex_region_t;
795 typedef struct drm_hw_lock drm_hw_lock_t;
796 typedef struct drm_version drm_version_t;
797 typedef struct drm_unique drm_unique_t;
798 typedef struct drm_list drm_list_t;
799 typedef struct drm_block drm_block_t;
800 typedef struct drm_control drm_control_t;
801 typedef enum drm_map_type drm_map_type_t;
802 typedef enum drm_map_flags drm_map_flags_t;
803 typedef struct drm_ctx_priv_map drm_ctx_priv_map_t;
804 typedef struct drm_map drm_map_t;
805 typedef struct drm_client drm_client_t;
806 typedef enum drm_stat_type drm_stat_type_t;
807 typedef struct drm_stats drm_stats_t;
808 typedef enum drm_lock_flags drm_lock_flags_t;
809 typedef struct drm_lock drm_lock_t;
810 typedef enum drm_dma_flags drm_dma_flags_t;
811 typedef struct drm_buf_desc drm_buf_desc_t;
812 typedef struct drm_buf_info drm_buf_info_t;
813 typedef struct drm_buf_free drm_buf_free_t;
814 typedef struct drm_buf_pub drm_buf_pub_t;
815 typedef struct drm_buf_map drm_buf_map_t;
816 typedef struct drm_dma drm_dma_t;
817 typedef union drm_wait_vblank drm_wait_vblank_t;
818 typedef struct drm_agp_mode drm_agp_mode_t;
819 typedef enum drm_ctx_flags drm_ctx_flags_t;
820 typedef struct drm_ctx drm_ctx_t;
821 typedef struct drm_ctx_res drm_ctx_res_t;
822 typedef struct drm_draw drm_draw_t;
823 typedef struct drm_update_draw drm_update_draw_t;
824 typedef struct drm_auth drm_auth_t;
825 typedef struct drm_irq_busid drm_irq_busid_t;
826 typedef enum drm_vblank_seq_type drm_vblank_seq_type_t;
827 
828 typedef struct drm_agp_buffer drm_agp_buffer_t;
829 typedef struct drm_agp_binding drm_agp_binding_t;
830 typedef struct drm_agp_info drm_agp_info_t;
831 typedef struct drm_scatter_gather drm_scatter_gather_t;
832 typedef struct drm_set_version drm_set_version_t;
833 #endif
834 
835 #endif
836