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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [drivers/] [char/] [drm/] [drm.h] - Blame information for rev 1765

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1 1275 phoenix
/* drm.h -- Header for Direct Rendering Manager -*- linux-c -*-
2
 * Created: Mon Jan  4 10:05:05 1999 by faith@precisioninsight.com
3
 *
4
 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
5
 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
6
 * All rights reserved.
7
 *
8
 * Permission is hereby granted, free of charge, to any person obtaining a
9
 * copy of this software and associated documentation files (the "Software"),
10
 * to deal in the Software without restriction, including without limitation
11
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12
 * and/or sell copies of the Software, and to permit persons to whom the
13
 * Software is furnished to do so, subject to the following conditions:
14
 *
15
 * The above copyright notice and this permission notice (including the next
16
 * paragraph) shall be included in all copies or substantial portions of the
17
 * Software.
18
 *
19
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
22
 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
23
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
24
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
25
 * OTHER DEALINGS IN THE SOFTWARE.
26
 *
27
 * Authors:
28
 *    Rickard E. (Rik) Faith <faith@valinux.com>
29
 *
30
 * Acknowledgements:
31
 * Dec 1999, Richard Henderson <rth@twiddle.net>, move to generic cmpxchg.
32
 *
33
 */
34
 
35
#ifndef _DRM_H_
36
#define _DRM_H_
37
 
38
#if defined(__linux__)
39
#include <linux/config.h>
40
#include <asm/ioctl.h>          /* For _IO* macros */
41
#define DRM_IOCTL_NR(n)         _IOC_NR(n)
42
#define DRM_IOC_VOID            _IOC_NONE
43
#define DRM_IOC_READ            _IOC_READ
44
#define DRM_IOC_WRITE           _IOC_WRITE
45
#define DRM_IOC_READWRITE       _IOC_READ|_IOC_WRITE
46
#define DRM_IOC(dir, group, nr, size) _IOC(dir, group, nr, size)
47
#elif defined(__FreeBSD__) || defined(__NetBSD__)
48
#if defined(__FreeBSD__) && defined(XFree86Server)
49
/* Prevent name collision when including sys/ioccom.h */
50
#undef ioctl
51
#include <sys/ioccom.h>
52
#define ioctl(a,b,c)            xf86ioctl(a,b,c)
53
#else
54
#include <sys/ioccom.h>
55
#endif /* __FreeBSD__ && xf86ioctl */
56
#define DRM_IOCTL_NR(n)         ((n) & 0xff)
57
#define DRM_IOC_VOID            IOC_VOID
58
#define DRM_IOC_READ            IOC_OUT
59
#define DRM_IOC_WRITE           IOC_IN
60
#define DRM_IOC_READWRITE       IOC_INOUT
61
#define DRM_IOC(dir, group, nr, size) _IOC(dir, group, nr, size)
62
#endif
63
 
64
#define XFREE86_VERSION(major,minor,patch,snap) \
65
                ((major << 16) | (minor << 8) | patch)
66
 
67
#ifndef CONFIG_XFREE86_VERSION
68
#define CONFIG_XFREE86_VERSION XFREE86_VERSION(4,1,0,0)
69
#endif
70
 
71
#if CONFIG_XFREE86_VERSION < XFREE86_VERSION(4,1,0,0)
72
#define DRM_PROC_DEVICES "/proc/devices"
73
#define DRM_PROC_MISC    "/proc/misc"
74
#define DRM_PROC_DRM     "/proc/drm"
75
#define DRM_DEV_DRM      "/dev/drm"
76
#define DRM_DEV_MODE     (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP)
77
#define DRM_DEV_UID      0
78
#define DRM_DEV_GID      0
79
#endif
80
 
81
#if CONFIG_XFREE86_VERSION >= XFREE86_VERSION(4,1,0,0)
82
#define DRM_MAJOR       226
83
#define DRM_MAX_MINOR   15
84
#endif
85
#define DRM_NAME        "drm"     /* Name in kernel, /dev, and /proc        */
86
#define DRM_MIN_ORDER   5         /* At least 2^5 bytes = 32 bytes          */
87
#define DRM_MAX_ORDER   22        /* Up to 2^22 bytes = 4MB                 */
88
#define DRM_RAM_PERCENT 10        /* How much system ram can we lock?       */
89
 
90
#define _DRM_LOCK_HELD  0x80000000 /* Hardware lock is held                 */
91
#define _DRM_LOCK_CONT  0x40000000 /* Hardware lock is contended            */
92
#define _DRM_LOCK_IS_HELD(lock)    ((lock) & _DRM_LOCK_HELD)
93
#define _DRM_LOCK_IS_CONT(lock)    ((lock) & _DRM_LOCK_CONT)
94
#define _DRM_LOCKING_CONTEXT(lock) ((lock) & ~(_DRM_LOCK_HELD|_DRM_LOCK_CONT))
95
 
96
typedef unsigned long drm_handle_t;
97
typedef unsigned int  drm_context_t;
98
typedef unsigned int  drm_drawable_t;
99
typedef unsigned int  drm_magic_t;
100
 
101
/* Warning: If you change this structure, make sure you change
102
 * XF86DRIClipRectRec in the server as well */
103
 
104
/* KW: Actually it's illegal to change either for
105
 * backwards-compatibility reasons.
106
 */
107
 
108
typedef struct drm_clip_rect {
109
        unsigned short  x1;
110
        unsigned short  y1;
111
        unsigned short  x2;
112
        unsigned short  y2;
113
} drm_clip_rect_t;
114
 
115
typedef struct drm_tex_region {
116
        unsigned char   next;
117
        unsigned char   prev;
118
        unsigned char   in_use;
119
        unsigned char   padding;
120
        unsigned int    age;
121
} drm_tex_region_t;
122
 
123
/* Seperate include files for the i810/mga/r128 specific structures */
124
#include "mga_drm.h"
125
#include "i810_drm.h"
126
#include "r128_drm.h"
127
#include "radeon_drm.h"
128
#include "sis_drm.h"
129
#include "i830_drm.h"
130
#include "savage_drm.h"
131
#include "via_drm.h"
132
 
133
typedef struct drm_version {
134
        int    version_major;     /* Major version                          */
135
        int    version_minor;     /* Minor version                          */
136
        int    version_patchlevel;/* Patch level                            */
137
        size_t name_len;          /* Length of name buffer                  */
138
        char   *name;             /* Name of driver                         */
139
        size_t date_len;          /* Length of date buffer                  */
140
        char   *date;             /* User-space buffer to hold date         */
141
        size_t desc_len;          /* Length of desc buffer                  */
142
        char   *desc;             /* User-space buffer to hold desc         */
143
} drm_version_t;
144
 
145
typedef struct drm_unique {
146
        size_t unique_len;        /* Length of unique                       */
147
        char   *unique;           /* Unique name for driver instantiation   */
148
} drm_unique_t;
149
 
150
typedef struct drm_list {
151
        int              count;   /* Length of user-space structures        */
152
        drm_version_t    *version;
153
} drm_list_t;
154
 
155
typedef struct drm_block {
156
        int              unused;
157
} drm_block_t;
158
 
159
typedef struct drm_control {
160
        enum {
161
                DRM_ADD_COMMAND,
162
                DRM_RM_COMMAND,
163
                DRM_INST_HANDLER,
164
                DRM_UNINST_HANDLER
165
        }                func;
166
        int              irq;
167
} drm_control_t;
168
 
169
typedef enum drm_map_type {
170
        _DRM_FRAME_BUFFER   = 0,  /* WC (no caching), no core dump           */
171
        _DRM_REGISTERS      = 1,  /* no caching, no core dump               */
172
        _DRM_SHM            = 2,  /* shared, cached                         */
173
        _DRM_AGP            = 3,  /* AGP/GART                               */
174
        _DRM_SCATTER_GATHER = 4   /* Scatter/gather memory for PCI DMA      */
175
} drm_map_type_t;
176
 
177
typedef enum drm_map_flags {
178
        _DRM_RESTRICTED      = 0x01, /* Cannot be mapped to user-virtual    */
179
        _DRM_READ_ONLY       = 0x02,
180
        _DRM_LOCKED          = 0x04, /* shared, cached, locked              */
181
        _DRM_KERNEL          = 0x08, /* kernel requires access              */
182
        _DRM_WRITE_COMBINING = 0x10, /* use write-combining if available    */
183
        _DRM_CONTAINS_LOCK   = 0x20, /* SHM page that contains lock         */
184
        _DRM_REMOVABLE       = 0x40  /* Removable mapping                   */
185
} drm_map_flags_t;
186
 
187
typedef struct drm_ctx_priv_map {
188
        unsigned int    ctx_id;  /* Context requesting private mapping */
189
        void            *handle; /* Handle of map */
190
} drm_ctx_priv_map_t;
191
 
192
typedef struct drm_map {
193
        unsigned long   offset;  /* Requested physical address (0 for SAREA)*/
194
        unsigned long   size;    /* Requested physical size (bytes)         */
195
        drm_map_type_t  type;    /* Type of memory to map                   */
196
        drm_map_flags_t flags;   /* Flags                                   */
197
        void            *handle; /* User-space: "Handle" to pass to mmap    */
198
                                 /* Kernel-space: kernel-virtual address    */
199
        int             mtrr;    /* MTRR slot used                          */
200
                                 /* Private data                            */
201
} drm_map_t;
202
 
203
typedef struct drm_client {
204
        int             idx;    /* Which client desired?                    */
205
        int             auth;   /* Is client authenticated?                 */
206
        unsigned long   pid;    /* Process id                               */
207
        unsigned long   uid;    /* User id                                  */
208
        unsigned long   magic;  /* Magic                                    */
209
        unsigned long   iocs;   /* Ioctl count                              */
210
} drm_client_t;
211
 
212
typedef enum {
213
        _DRM_STAT_LOCK,
214
        _DRM_STAT_OPENS,
215
        _DRM_STAT_CLOSES,
216
        _DRM_STAT_IOCTLS,
217
        _DRM_STAT_LOCKS,
218
        _DRM_STAT_UNLOCKS,
219
        _DRM_STAT_VALUE,        /* Generic value                      */
220
        _DRM_STAT_BYTE,         /* Generic byte counter (1024bytes/K) */
221
        _DRM_STAT_COUNT,        /* Generic non-byte counter (1000/k)  */
222
 
223
        _DRM_STAT_IRQ,          /* IRQ */
224
        _DRM_STAT_PRIMARY,      /* Primary DMA bytes */
225
        _DRM_STAT_SECONDARY,    /* Secondary DMA bytes */
226
        _DRM_STAT_DMA,          /* DMA */
227
        _DRM_STAT_SPECIAL,      /* Special DMA (e.g., priority or polled) */
228
        _DRM_STAT_MISSED        /* Missed DMA opportunity */
229
 
230
                                /* Add to the *END* of the list */
231
} drm_stat_type_t;
232
 
233
typedef struct drm_stats {
234
        unsigned long count;
235
        struct {
236
                unsigned long   value;
237
                drm_stat_type_t type;
238
        } data[15];
239
} drm_stats_t;
240
 
241
typedef enum drm_lock_flags {
242
        _DRM_LOCK_READY      = 0x01, /* Wait until hardware is ready for DMA */
243
        _DRM_LOCK_QUIESCENT  = 0x02, /* Wait until hardware quiescent        */
244
        _DRM_LOCK_FLUSH      = 0x04, /* Flush this context's DMA queue first */
245
        _DRM_LOCK_FLUSH_ALL  = 0x08, /* Flush all DMA queues first           */
246
                                /* These *HALT* flags aren't supported yet
247
                                   -- they will be used to support the
248
                                   full-screen DGA-like mode. */
249
        _DRM_HALT_ALL_QUEUES = 0x10, /* Halt all current and future queues   */
250
        _DRM_HALT_CUR_QUEUES = 0x20  /* Halt all current queues              */
251
} drm_lock_flags_t;
252
 
253
typedef struct drm_lock {
254
        int              context;
255
        drm_lock_flags_t flags;
256
} drm_lock_t;
257
 
258
typedef enum drm_dma_flags {          /* These values *MUST* match xf86drm.h */
259
                                      /* Flags for DMA buffer dispatch       */
260
        _DRM_DMA_BLOCK        = 0x01, /* Block until buffer dispatched.
261
                                         Note, the buffer may not yet have
262
                                         been processed by the hardware --
263
                                         getting a hardware lock with the
264
                                         hardware quiescent will ensure
265
                                         that the buffer has been
266
                                         processed.                          */
267
        _DRM_DMA_WHILE_LOCKED = 0x02, /* Dispatch while lock held            */
268
        _DRM_DMA_PRIORITY     = 0x04, /* High priority dispatch              */
269
 
270
                                      /* Flags for DMA buffer request        */
271
        _DRM_DMA_WAIT         = 0x10, /* Wait for free buffers               */
272
        _DRM_DMA_SMALLER_OK   = 0x20, /* Smaller-than-requested buffers ok   */
273
        _DRM_DMA_LARGER_OK    = 0x40  /* Larger-than-requested buffers ok    */
274
} drm_dma_flags_t;
275
 
276
typedef struct drm_buf_desc {
277
        int           count;     /* Number of buffers of this size           */
278
        int           size;      /* Size in bytes                            */
279
        int           low_mark;  /* Low water mark                           */
280
        int           high_mark; /* High water mark                          */
281
        enum {
282
                _DRM_PAGE_ALIGN = 0x01, /* Align on page boundaries for DMA  */
283
                _DRM_AGP_BUFFER = 0x02, /* Buffer is in agp space            */
284
                _DRM_SG_BUFFER  = 0x04  /* Scatter/gather memory buffer      */
285
        }             flags;
286
        unsigned long agp_start; /* Start address of where the agp buffers
287
                                  * are in the agp aperture */
288
} drm_buf_desc_t;
289
 
290
typedef struct drm_buf_info {
291
        int            count;   /* Entries in list                           */
292
        drm_buf_desc_t *list;
293
} drm_buf_info_t;
294
 
295
typedef struct drm_buf_free {
296
        int            count;
297
        int            *list;
298
} drm_buf_free_t;
299
 
300
typedef struct drm_buf_pub {
301
        int               idx;         /* Index into master buflist          */
302
        int               total;       /* Buffer size                        */
303
        int               used;        /* Amount of buffer in use (for DMA)  */
304
        void              *address;    /* Address of buffer                  */
305
} drm_buf_pub_t;
306
 
307
typedef struct drm_buf_map {
308
        int           count;    /* Length of buflist                        */
309
        void          *virtual; /* Mmaped area in user-virtual              */
310
        drm_buf_pub_t *list;    /* Buffer information                       */
311
} drm_buf_map_t;
312
 
313
typedef struct drm_dma {
314
                                /* Indices here refer to the offset into
315
                                   buflist in drm_buf_get_t.  */
316
        int             context;          /* Context handle                 */
317
        int             send_count;       /* Number of buffers to send      */
318
        int             *send_indices;    /* List of handles to buffers     */
319
        int             *send_sizes;      /* Lengths of data to send        */
320
        drm_dma_flags_t flags;            /* Flags                          */
321
        int             request_count;    /* Number of buffers requested    */
322
        int             request_size;     /* Desired size for buffers       */
323
        int             *request_indices; /* Buffer information             */
324
        int             *request_sizes;
325
        int             granted_count;    /* Number of buffers granted      */
326
} drm_dma_t;
327
 
328
typedef enum {
329
        _DRM_CONTEXT_PRESERVED = 0x01,
330
        _DRM_CONTEXT_2DONLY    = 0x02
331
} drm_ctx_flags_t;
332
 
333
typedef struct drm_ctx {
334
        drm_context_t   handle;
335
        drm_ctx_flags_t flags;
336
} drm_ctx_t;
337
 
338
typedef struct drm_ctx_res {
339
        int             count;
340
        drm_ctx_t       *contexts;
341
} drm_ctx_res_t;
342
 
343
typedef struct drm_draw {
344
        drm_drawable_t  handle;
345
} drm_draw_t;
346
 
347
typedef struct drm_auth {
348
        drm_magic_t     magic;
349
} drm_auth_t;
350
 
351
typedef struct drm_irq_busid {
352
        int irq;
353
        int busnum;
354
        int devnum;
355
        int funcnum;
356
} drm_irq_busid_t;
357
 
358
typedef enum {
359
    _DRM_VBLANK_ABSOLUTE = 0x0,         /* Wait for specific vblank sequence number */
360
    _DRM_VBLANK_RELATIVE = 0x1,         /* Wait for given number of vblanks */
361
    _DRM_VBLANK_SIGNAL   = 0x40000000   /* Send signal instead of blocking */
362
} drm_vblank_seq_type_t;
363
 
364
#define _DRM_VBLANK_FLAGS_MASK _DRM_VBLANK_SIGNAL
365
 
366
struct drm_wait_vblank_request {
367
        drm_vblank_seq_type_t type;
368
        unsigned int sequence;
369
        unsigned long signal;
370
};
371
 
372
struct drm_wait_vblank_reply {
373
        drm_vblank_seq_type_t type;
374
        unsigned int sequence;
375
        long tval_sec;
376
        long tval_usec;
377
};
378
 
379
typedef union drm_wait_vblank {
380
        struct drm_wait_vblank_request request;
381
        struct drm_wait_vblank_reply reply;
382
} drm_wait_vblank_t;
383
 
384
typedef struct drm_agp_mode {
385
        unsigned long mode;
386
} drm_agp_mode_t;
387
 
388
                                /* For drm_agp_alloc -- allocated a buffer */
389
typedef struct drm_agp_buffer {
390
        unsigned long size;     /* In bytes -- will round to page boundary */
391
        unsigned long handle;   /* Used for BIND/UNBIND ioctls */
392
        unsigned long type;     /* Type of memory to allocate  */
393
        unsigned long physical; /* Physical used by i810       */
394
} drm_agp_buffer_t;
395
 
396
                                /* For drm_agp_bind */
397
typedef struct drm_agp_binding {
398
        unsigned long handle;   /* From drm_agp_buffer */
399
        unsigned long offset;   /* In bytes -- will round to page boundary */
400
} drm_agp_binding_t;
401
 
402
typedef struct drm_agp_info {
403
        int            agp_version_major;
404
        int            agp_version_minor;
405
        unsigned long  mode;
406
        unsigned long  aperture_base;  /* physical address */
407
        unsigned long  aperture_size;  /* bytes */
408
        unsigned long  memory_allowed; /* bytes */
409
        unsigned long  memory_used;
410
 
411
                                /* PCI information */
412
        unsigned short id_vendor;
413
        unsigned short id_device;
414
} drm_agp_info_t;
415
 
416
typedef struct drm_scatter_gather {
417
        unsigned long size;     /* In bytes -- will round to page boundary */
418
        unsigned long handle;   /* Used for mapping / unmapping */
419
} drm_scatter_gather_t;
420
 
421
#define DRM_IOCTL_BASE                  'd'
422
#define DRM_IO(nr)                      _IO(DRM_IOCTL_BASE,nr)
423
#define DRM_IOR(nr,type)                _IOR(DRM_IOCTL_BASE,nr,type)
424
#define DRM_IOW(nr,type)                _IOW(DRM_IOCTL_BASE,nr,type)
425
#define DRM_IOWR(nr,type)               _IOWR(DRM_IOCTL_BASE,nr,type)
426
 
427
#define DRM_IOCTL_VERSION               DRM_IOWR(0x00, drm_version_t)
428
#define DRM_IOCTL_GET_UNIQUE            DRM_IOWR(0x01, drm_unique_t)
429
#define DRM_IOCTL_GET_MAGIC             DRM_IOR( 0x02, drm_auth_t)
430
#define DRM_IOCTL_IRQ_BUSID             DRM_IOWR(0x03, drm_irq_busid_t)
431
#define DRM_IOCTL_GET_MAP               DRM_IOWR(0x04, drm_map_t)
432
#define DRM_IOCTL_GET_CLIENT            DRM_IOWR(0x05, drm_client_t)
433
#define DRM_IOCTL_GET_STATS             DRM_IOR( 0x06, drm_stats_t)
434
 
435
#define DRM_IOCTL_SET_UNIQUE            DRM_IOW( 0x10, drm_unique_t)
436
#define DRM_IOCTL_AUTH_MAGIC            DRM_IOW( 0x11, drm_auth_t)
437
#define DRM_IOCTL_BLOCK                 DRM_IOWR(0x12, drm_block_t)
438
#define DRM_IOCTL_UNBLOCK               DRM_IOWR(0x13, drm_block_t)
439
#define DRM_IOCTL_CONTROL               DRM_IOW( 0x14, drm_control_t)
440
#define DRM_IOCTL_ADD_MAP               DRM_IOWR(0x15, drm_map_t)
441
#define DRM_IOCTL_ADD_BUFS              DRM_IOWR(0x16, drm_buf_desc_t)
442
#define DRM_IOCTL_MARK_BUFS             DRM_IOW( 0x17, drm_buf_desc_t)
443
#define DRM_IOCTL_INFO_BUFS             DRM_IOWR(0x18, drm_buf_info_t)
444
#define DRM_IOCTL_MAP_BUFS              DRM_IOWR(0x19, drm_buf_map_t)
445
#define DRM_IOCTL_FREE_BUFS             DRM_IOW( 0x1a, drm_buf_free_t)
446
 
447
#define DRM_IOCTL_RM_MAP                DRM_IOW( 0x1b, drm_map_t)
448
 
449
#define DRM_IOCTL_SET_SAREA_CTX         DRM_IOW( 0x1c, drm_ctx_priv_map_t)
450
#define DRM_IOCTL_GET_SAREA_CTX         DRM_IOWR(0x1d, drm_ctx_priv_map_t)
451
 
452
#define DRM_IOCTL_ADD_CTX               DRM_IOWR(0x20, drm_ctx_t)
453
#define DRM_IOCTL_RM_CTX                DRM_IOWR(0x21, drm_ctx_t)
454
#define DRM_IOCTL_MOD_CTX               DRM_IOW( 0x22, drm_ctx_t)
455
#define DRM_IOCTL_GET_CTX               DRM_IOWR(0x23, drm_ctx_t)
456
#define DRM_IOCTL_SWITCH_CTX            DRM_IOW( 0x24, drm_ctx_t)
457
#define DRM_IOCTL_NEW_CTX               DRM_IOW( 0x25, drm_ctx_t)
458
#define DRM_IOCTL_RES_CTX               DRM_IOWR(0x26, drm_ctx_res_t)
459
#define DRM_IOCTL_ADD_DRAW              DRM_IOWR(0x27, drm_draw_t)
460
#define DRM_IOCTL_RM_DRAW               DRM_IOWR(0x28, drm_draw_t)
461
#define DRM_IOCTL_DMA                   DRM_IOWR(0x29, drm_dma_t)
462
#define DRM_IOCTL_LOCK                  DRM_IOW( 0x2a, drm_lock_t)
463
#define DRM_IOCTL_UNLOCK                DRM_IOW( 0x2b, drm_lock_t)
464
#define DRM_IOCTL_FINISH                DRM_IOW( 0x2c, drm_lock_t)
465
 
466
#define DRM_IOCTL_AGP_ACQUIRE           DRM_IO(  0x30)
467
#define DRM_IOCTL_AGP_RELEASE           DRM_IO(  0x31)
468
#define DRM_IOCTL_AGP_ENABLE            DRM_IOW( 0x32, drm_agp_mode_t)
469
#define DRM_IOCTL_AGP_INFO              DRM_IOR( 0x33, drm_agp_info_t)
470
#define DRM_IOCTL_AGP_ALLOC             DRM_IOWR(0x34, drm_agp_buffer_t)
471
#define DRM_IOCTL_AGP_FREE              DRM_IOW( 0x35, drm_agp_buffer_t)
472
#define DRM_IOCTL_AGP_BIND              DRM_IOW( 0x36, drm_agp_binding_t)
473
#define DRM_IOCTL_AGP_UNBIND            DRM_IOW( 0x37, drm_agp_binding_t)
474
 
475
#define DRM_IOCTL_SG_ALLOC              DRM_IOW( 0x38, drm_scatter_gather_t)
476
#define DRM_IOCTL_SG_FREE               DRM_IOW( 0x39, drm_scatter_gather_t)
477
 
478
#define DRM_IOCTL_WAIT_VBLANK           DRM_IOWR(0x3a, drm_wait_vblank_t)
479
 
480
/* Device specfic ioctls should only be in their respective headers
481
 * The device specific ioctl range is 0x40 to 0x79.                  */
482
#define DRM_COMMAND_BASE                0x40
483
 
484
#endif

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