blob: 9da0ddb892b58fd3a0db271797ed80d378d27c6f [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/**
Dave Airlieb5e89ed2005-09-25 14:28:13 +10002 * \file drm.h
Linus Torvalds1da177e2005-04-16 15:20:36 -07003 * Header for the Direct Rendering Manager
Dave Airlieb5e89ed2005-09-25 14:28:13 +10004 *
Linus Torvalds1da177e2005-04-16 15:20:36 -07005 * \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
Linus Torvalds1da177e2005-04-16 15:20:36 -070036#ifndef _DRM_H_
37#define _DRM_H_
38
39#if defined(__linux__)
Dave Airlie850eb832005-07-07 21:09:14 +100040#if defined(__KERNEL__)
Linus Torvalds1da177e2005-04-16 15:20:36 -070041#include <linux/config.h>
Dave Airlie850eb832005-07-07 21:09:14 +100042#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070043#include <asm/ioctl.h> /* For _IO* macros */
44#define DRM_IOCTL_NR(n) _IOC_NR(n)
45#define DRM_IOC_VOID _IOC_NONE
46#define DRM_IOC_READ _IOC_READ
47#define DRM_IOC_WRITE _IOC_WRITE
48#define DRM_IOC_READWRITE _IOC_READ|_IOC_WRITE
49#define DRM_IOC(dir, group, nr, size) _IOC(dir, group, nr, size)
50#elif defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
51#if defined(__FreeBSD__) && defined(IN_MODULE)
52/* Prevent name collision when including sys/ioccom.h */
53#undef ioctl
54#include <sys/ioccom.h>
55#define ioctl(a,b,c) xf86ioctl(a,b,c)
56#else
57#include <sys/ioccom.h>
Dave Airlieb5e89ed2005-09-25 14:28:13 +100058#endif /* __FreeBSD__ && xf86ioctl */
Linus Torvalds1da177e2005-04-16 15:20:36 -070059#define DRM_IOCTL_NR(n) ((n) & 0xff)
60#define DRM_IOC_VOID IOC_VOID
61#define DRM_IOC_READ IOC_OUT
62#define DRM_IOC_WRITE IOC_IN
63#define DRM_IOC_READWRITE IOC_INOUT
64#define DRM_IOC(dir, group, nr, size) _IOC(dir, group, nr, size)
65#endif
66
67#define XFREE86_VERSION(major,minor,patch,snap) \
68 ((major << 16) | (minor << 8) | patch)
69
70#ifndef CONFIG_XFREE86_VERSION
71#define CONFIG_XFREE86_VERSION XFREE86_VERSION(4,1,0,0)
72#endif
73
74#if CONFIG_XFREE86_VERSION < XFREE86_VERSION(4,1,0,0)
75#define DRM_PROC_DEVICES "/proc/devices"
76#define DRM_PROC_MISC "/proc/misc"
77#define DRM_PROC_DRM "/proc/drm"
78#define DRM_DEV_DRM "/dev/drm"
79#define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP)
80#define DRM_DEV_UID 0
81#define DRM_DEV_GID 0
82#endif
83
84#if CONFIG_XFREE86_VERSION >= XFREE86_VERSION(4,1,0,0)
85#define DRM_MAJOR 226
86#define DRM_MAX_MINOR 15
87#endif
88#define DRM_NAME "drm" /**< Name in kernel, /dev, and /proc */
89#define DRM_MIN_ORDER 5 /**< At least 2^5 bytes = 32 bytes */
90#define DRM_MAX_ORDER 22 /**< Up to 2^22 bytes = 4MB */
91#define DRM_RAM_PERCENT 10 /**< How much system ram can we lock? */
92
Dave Airlieb3a80a22006-01-02 21:15:01 +110093#define _DRM_LOCK_HELD 0x80000000U /**< Hardware lock is held */
94#define _DRM_LOCK_CONT 0x40000000U /**< Hardware lock is contended */
Linus Torvalds1da177e2005-04-16 15:20:36 -070095#define _DRM_LOCK_IS_HELD(lock) ((lock) & _DRM_LOCK_HELD)
96#define _DRM_LOCK_IS_CONT(lock) ((lock) & _DRM_LOCK_CONT)
97#define _DRM_LOCKING_CONTEXT(lock) ((lock) & ~(_DRM_LOCK_HELD|_DRM_LOCK_CONT))
98
Dave Airlieb5e89ed2005-09-25 14:28:13 +100099typedef unsigned int drm_handle_t;
100typedef unsigned int drm_context_t;
101typedef unsigned int drm_drawable_t;
102typedef unsigned int drm_magic_t;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700103
104/**
105 * Cliprect.
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000106 *
Linus Torvalds1da177e2005-04-16 15:20:36 -0700107 * \warning: If you change this structure, make sure you change
108 * XF86DRIClipRectRec in the server as well
109 *
110 * \note KW: Actually it's illegal to change either for
111 * backwards-compatibility reasons.
112 */
113typedef struct drm_clip_rect {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000114 unsigned short x1;
115 unsigned short y1;
116 unsigned short x2;
117 unsigned short y2;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700118} drm_clip_rect_t;
119
Linus Torvalds1da177e2005-04-16 15:20:36 -0700120/**
121 * Texture region,
122 */
123typedef struct drm_tex_region {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000124 unsigned char next;
125 unsigned char prev;
126 unsigned char in_use;
127 unsigned char padding;
128 unsigned int age;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700129} drm_tex_region_t;
130
131/**
132 * Hardware lock.
133 *
134 * The lock structure is a simple cache-line aligned integer. To avoid
135 * processor bus contention on a multiprocessor system, there should not be any
136 * other data stored in the same cache line.
137 */
138typedef struct drm_hw_lock {
139 __volatile__ unsigned int lock; /**< lock variable */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000140 char padding[60]; /**< Pad to cache line */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700141} drm_hw_lock_t;
142
Linus Torvalds1da177e2005-04-16 15:20:36 -0700143/**
144 * DRM_IOCTL_VERSION ioctl argument type.
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000145 *
Linus Torvalds1da177e2005-04-16 15:20:36 -0700146 * \sa drmGetVersion().
147 */
148typedef struct drm_version {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000149 int version_major; /**< Major version */
150 int version_minor; /**< Minor version */
151 int version_patchlevel; /**< Patch level */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700152 size_t name_len; /**< Length of name buffer */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000153 char __user *name; /**< Name of driver */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700154 size_t date_len; /**< Length of date buffer */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000155 char __user *date; /**< User-space buffer to hold date */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700156 size_t desc_len; /**< Length of desc buffer */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000157 char __user *desc; /**< User-space buffer to hold desc */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700158} drm_version_t;
159
Linus Torvalds1da177e2005-04-16 15:20:36 -0700160/**
161 * DRM_IOCTL_GET_UNIQUE ioctl argument type.
162 *
163 * \sa drmGetBusid() and drmSetBusId().
164 */
165typedef struct drm_unique {
166 size_t unique_len; /**< Length of unique */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000167 char __user *unique; /**< Unique name for driver instantiation */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700168} drm_unique_t;
169
Linus Torvalds1da177e2005-04-16 15:20:36 -0700170typedef struct drm_list {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000171 int count; /**< Length of user-space structures */
172 drm_version_t __user *version;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700173} drm_list_t;
174
Linus Torvalds1da177e2005-04-16 15:20:36 -0700175typedef struct drm_block {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000176 int unused;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700177} drm_block_t;
178
Linus Torvalds1da177e2005-04-16 15:20:36 -0700179/**
180 * DRM_IOCTL_CONTROL ioctl argument type.
181 *
182 * \sa drmCtlInstHandler() and drmCtlUninstHandler().
183 */
184typedef struct drm_control {
185 enum {
186 DRM_ADD_COMMAND,
187 DRM_RM_COMMAND,
188 DRM_INST_HANDLER,
189 DRM_UNINST_HANDLER
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000190 } func;
191 int irq;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700192} drm_control_t;
193
Linus Torvalds1da177e2005-04-16 15:20:36 -0700194/**
195 * Type of memory to map.
196 */
197typedef enum drm_map_type {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000198 _DRM_FRAME_BUFFER = 0, /**< WC (no caching), no core dump */
199 _DRM_REGISTERS = 1, /**< no caching, no core dump */
200 _DRM_SHM = 2, /**< shared, cached */
201 _DRM_AGP = 3, /**< AGP/GART */
Dave Airlie2d0f9ea2005-07-10 14:34:13 +1000202 _DRM_SCATTER_GATHER = 4, /**< Scatter/gather memory for PCI DMA */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000203 _DRM_CONSISTENT = 5, /**< Consistent memory for PCI DMA */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700204} drm_map_type_t;
205
Linus Torvalds1da177e2005-04-16 15:20:36 -0700206/**
207 * Memory mapping flags.
208 */
209typedef enum drm_map_flags {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000210 _DRM_RESTRICTED = 0x01, /**< Cannot be mapped to user-virtual */
211 _DRM_READ_ONLY = 0x02,
212 _DRM_LOCKED = 0x04, /**< shared, cached, locked */
213 _DRM_KERNEL = 0x08, /**< kernel requires access */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700214 _DRM_WRITE_COMBINING = 0x10, /**< use write-combining if available */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000215 _DRM_CONTAINS_LOCK = 0x20, /**< SHM page that contains lock */
216 _DRM_REMOVABLE = 0x40 /**< Removable mapping */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700217} drm_map_flags_t;
218
Linus Torvalds1da177e2005-04-16 15:20:36 -0700219typedef struct drm_ctx_priv_map {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000220 unsigned int ctx_id; /**< Context requesting private mapping */
221 void *handle; /**< Handle of map */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700222} drm_ctx_priv_map_t;
223
Linus Torvalds1da177e2005-04-16 15:20:36 -0700224/**
225 * DRM_IOCTL_GET_MAP, DRM_IOCTL_ADD_MAP and DRM_IOCTL_RM_MAP ioctls
226 * argument type.
227 *
228 * \sa drmAddMap().
229 */
230typedef struct drm_map {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000231 unsigned long offset; /**< Requested physical address (0 for SAREA)*/
232 unsigned long size; /**< Requested physical size (bytes) */
233 drm_map_type_t type; /**< Type of memory to map */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700234 drm_map_flags_t flags; /**< Flags */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000235 void *handle; /**< User-space: "Handle" to pass to mmap() */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700236 /**< Kernel-space: kernel-virtual address */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000237 int mtrr; /**< MTRR slot used */
238 /* Private data */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700239} drm_map_t;
240
Linus Torvalds1da177e2005-04-16 15:20:36 -0700241/**
242 * DRM_IOCTL_GET_CLIENT ioctl argument type.
243 */
244typedef struct drm_client {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000245 int idx; /**< Which client desired? */
246 int auth; /**< Is client authenticated? */
247 unsigned long pid; /**< Process ID */
248 unsigned long uid; /**< User ID */
249 unsigned long magic; /**< Magic */
250 unsigned long iocs; /**< Ioctl count */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700251} drm_client_t;
252
Linus Torvalds1da177e2005-04-16 15:20:36 -0700253typedef enum {
254 _DRM_STAT_LOCK,
255 _DRM_STAT_OPENS,
256 _DRM_STAT_CLOSES,
257 _DRM_STAT_IOCTLS,
258 _DRM_STAT_LOCKS,
259 _DRM_STAT_UNLOCKS,
260 _DRM_STAT_VALUE, /**< Generic value */
261 _DRM_STAT_BYTE, /**< Generic byte counter (1024bytes/K) */
262 _DRM_STAT_COUNT, /**< Generic non-byte counter (1000/k) */
263
264 _DRM_STAT_IRQ, /**< IRQ */
265 _DRM_STAT_PRIMARY, /**< Primary DMA bytes */
266 _DRM_STAT_SECONDARY, /**< Secondary DMA bytes */
267 _DRM_STAT_DMA, /**< DMA */
268 _DRM_STAT_SPECIAL, /**< Special DMA (e.g., priority or polled) */
269 _DRM_STAT_MISSED /**< Missed DMA opportunity */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000270 /* Add to the *END* of the list */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700271} drm_stat_type_t;
272
Linus Torvalds1da177e2005-04-16 15:20:36 -0700273/**
274 * DRM_IOCTL_GET_STATS ioctl argument type.
275 */
276typedef struct drm_stats {
277 unsigned long count;
278 struct {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000279 unsigned long value;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700280 drm_stat_type_t type;
281 } data[15];
282} drm_stats_t;
283
Linus Torvalds1da177e2005-04-16 15:20:36 -0700284/**
285 * Hardware locking flags.
286 */
287typedef enum drm_lock_flags {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000288 _DRM_LOCK_READY = 0x01, /**< Wait until hardware is ready for DMA */
289 _DRM_LOCK_QUIESCENT = 0x02, /**< Wait until hardware quiescent */
290 _DRM_LOCK_FLUSH = 0x04, /**< Flush this context's DMA queue first */
291 _DRM_LOCK_FLUSH_ALL = 0x08, /**< Flush all DMA queues first */
292 /* These *HALT* flags aren't supported yet
293 -- they will be used to support the
294 full-screen DGA-like mode. */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700295 _DRM_HALT_ALL_QUEUES = 0x10, /**< Halt all current and future queues */
296 _DRM_HALT_CUR_QUEUES = 0x20 /**< Halt all current queues */
297} drm_lock_flags_t;
298
Linus Torvalds1da177e2005-04-16 15:20:36 -0700299/**
300 * DRM_IOCTL_LOCK, DRM_IOCTL_UNLOCK and DRM_IOCTL_FINISH ioctl argument type.
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000301 *
Linus Torvalds1da177e2005-04-16 15:20:36 -0700302 * \sa drmGetLock() and drmUnlock().
303 */
304typedef struct drm_lock {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000305 int context;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700306 drm_lock_flags_t flags;
307} drm_lock_t;
308
Linus Torvalds1da177e2005-04-16 15:20:36 -0700309/**
310 * DMA flags
311 *
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000312 * \warning
Linus Torvalds1da177e2005-04-16 15:20:36 -0700313 * These values \e must match xf86drm.h.
314 *
315 * \sa drm_dma.
316 */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000317typedef enum drm_dma_flags {
318 /* Flags for DMA buffer dispatch */
319 _DRM_DMA_BLOCK = 0x01, /**<
Linus Torvalds1da177e2005-04-16 15:20:36 -0700320 * Block until buffer dispatched.
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000321 *
Linus Torvalds1da177e2005-04-16 15:20:36 -0700322 * \note The buffer may not yet have
323 * been processed by the hardware --
324 * getting a hardware lock with the
325 * hardware quiescent will ensure
326 * that the buffer has been
327 * processed.
328 */
329 _DRM_DMA_WHILE_LOCKED = 0x02, /**< Dispatch while lock held */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000330 _DRM_DMA_PRIORITY = 0x04, /**< High priority dispatch */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700331
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000332 /* Flags for DMA buffer request */
333 _DRM_DMA_WAIT = 0x10, /**< Wait for free buffers */
334 _DRM_DMA_SMALLER_OK = 0x20, /**< Smaller-than-requested buffers OK */
335 _DRM_DMA_LARGER_OK = 0x40 /**< Larger-than-requested buffers OK */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700336} drm_dma_flags_t;
337
Linus Torvalds1da177e2005-04-16 15:20:36 -0700338/**
339 * DRM_IOCTL_ADD_BUFS and DRM_IOCTL_MARK_BUFS ioctl argument type.
340 *
341 * \sa drmAddBufs().
342 */
343typedef struct drm_buf_desc {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000344 int count; /**< Number of buffers of this size */
345 int size; /**< Size in bytes */
346 int low_mark; /**< Low water mark */
347 int high_mark; /**< High water mark */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700348 enum {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000349 _DRM_PAGE_ALIGN = 0x01, /**< Align on page boundaries for DMA */
350 _DRM_AGP_BUFFER = 0x02, /**< Buffer is in AGP space */
351 _DRM_SG_BUFFER = 0x04, /**< Scatter/gather memory buffer */
352 _DRM_FB_BUFFER = 0x08 /**< Buffer is in frame buffer */
353 } flags;
354 unsigned long agp_start; /**<
Linus Torvalds1da177e2005-04-16 15:20:36 -0700355 * Start address of where the AGP buffers are
356 * in the AGP aperture
357 */
358} drm_buf_desc_t;
359
Linus Torvalds1da177e2005-04-16 15:20:36 -0700360/**
361 * DRM_IOCTL_INFO_BUFS ioctl argument type.
362 */
363typedef struct drm_buf_info {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000364 int count; /**< Entries in list */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700365 drm_buf_desc_t __user *list;
366} drm_buf_info_t;
367
Linus Torvalds1da177e2005-04-16 15:20:36 -0700368/**
369 * DRM_IOCTL_FREE_BUFS ioctl argument type.
370 */
371typedef struct drm_buf_free {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000372 int count;
373 int __user *list;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700374} drm_buf_free_t;
375
Linus Torvalds1da177e2005-04-16 15:20:36 -0700376/**
377 * Buffer information
378 *
379 * \sa drm_buf_map.
380 */
381typedef struct drm_buf_pub {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000382 int idx; /**< Index into the master buffer list */
383 int total; /**< Buffer size */
384 int used; /**< Amount of buffer in use (for DMA) */
385 void __user *address; /**< Address of buffer */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700386} drm_buf_pub_t;
387
Linus Torvalds1da177e2005-04-16 15:20:36 -0700388/**
389 * DRM_IOCTL_MAP_BUFS ioctl argument type.
390 */
391typedef struct drm_buf_map {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000392 int count; /**< Length of the buffer list */
393 void __user *virtual; /**< Mmap'd area in user-virtual */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700394 drm_buf_pub_t __user *list; /**< Buffer information */
395} drm_buf_map_t;
396
Linus Torvalds1da177e2005-04-16 15:20:36 -0700397/**
398 * DRM_IOCTL_DMA ioctl argument type.
399 *
400 * Indices here refer to the offset into the buffer list in drm_buf_get.
401 *
402 * \sa drmDMA().
403 */
404typedef struct drm_dma {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000405 int context; /**< Context handle */
406 int send_count; /**< Number of buffers to send */
407 int __user *send_indices; /**< List of handles to buffers */
408 int __user *send_sizes; /**< Lengths of data to send */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700409 drm_dma_flags_t flags; /**< Flags */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000410 int request_count; /**< Number of buffers requested */
411 int request_size; /**< Desired size for buffers */
412 int __user *request_indices; /**< Buffer information */
413 int __user *request_sizes;
414 int granted_count; /**< Number of buffers granted */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700415} drm_dma_t;
416
Linus Torvalds1da177e2005-04-16 15:20:36 -0700417typedef enum {
418 _DRM_CONTEXT_PRESERVED = 0x01,
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000419 _DRM_CONTEXT_2DONLY = 0x02
Linus Torvalds1da177e2005-04-16 15:20:36 -0700420} drm_ctx_flags_t;
421
Linus Torvalds1da177e2005-04-16 15:20:36 -0700422/**
423 * DRM_IOCTL_ADD_CTX ioctl argument type.
424 *
425 * \sa drmCreateContext() and drmDestroyContext().
426 */
427typedef struct drm_ctx {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000428 drm_context_t handle;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700429 drm_ctx_flags_t flags;
430} drm_ctx_t;
431
Linus Torvalds1da177e2005-04-16 15:20:36 -0700432/**
433 * DRM_IOCTL_RES_CTX ioctl argument type.
434 */
435typedef struct drm_ctx_res {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000436 int count;
437 drm_ctx_t __user *contexts;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700438} drm_ctx_res_t;
439
Linus Torvalds1da177e2005-04-16 15:20:36 -0700440/**
441 * DRM_IOCTL_ADD_DRAW and DRM_IOCTL_RM_DRAW ioctl argument type.
442 */
443typedef struct drm_draw {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000444 drm_drawable_t handle;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700445} drm_draw_t;
446
Linus Torvalds1da177e2005-04-16 15:20:36 -0700447/**
448 * DRM_IOCTL_GET_MAGIC and DRM_IOCTL_AUTH_MAGIC ioctl argument type.
449 */
450typedef struct drm_auth {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000451 drm_magic_t magic;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700452} drm_auth_t;
453
Linus Torvalds1da177e2005-04-16 15:20:36 -0700454/**
455 * DRM_IOCTL_IRQ_BUSID ioctl argument type.
456 *
457 * \sa drmGetInterruptFromBusID().
458 */
459typedef struct drm_irq_busid {
460 int irq; /**< IRQ number */
461 int busnum; /**< bus number */
462 int devnum; /**< device number */
463 int funcnum; /**< function number */
464} drm_irq_busid_t;
465
Linus Torvalds1da177e2005-04-16 15:20:36 -0700466typedef enum {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000467 _DRM_VBLANK_ABSOLUTE = 0x0, /**< Wait for specific vblank sequence number */
468 _DRM_VBLANK_RELATIVE = 0x1, /**< Wait for given number of vblanks */
469 _DRM_VBLANK_SIGNAL = 0x40000000 /**< Send signal instead of blocking */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700470} drm_vblank_seq_type_t;
471
Linus Torvalds1da177e2005-04-16 15:20:36 -0700472#define _DRM_VBLANK_FLAGS_MASK _DRM_VBLANK_SIGNAL
473
Linus Torvalds1da177e2005-04-16 15:20:36 -0700474struct drm_wait_vblank_request {
475 drm_vblank_seq_type_t type;
476 unsigned int sequence;
477 unsigned long signal;
478};
479
Linus Torvalds1da177e2005-04-16 15:20:36 -0700480struct drm_wait_vblank_reply {
481 drm_vblank_seq_type_t type;
482 unsigned int sequence;
483 long tval_sec;
484 long tval_usec;
485};
486
Linus Torvalds1da177e2005-04-16 15:20:36 -0700487/**
488 * DRM_IOCTL_WAIT_VBLANK ioctl argument type.
489 *
490 * \sa drmWaitVBlank().
491 */
492typedef union drm_wait_vblank {
493 struct drm_wait_vblank_request request;
494 struct drm_wait_vblank_reply reply;
495} drm_wait_vblank_t;
496
Linus Torvalds1da177e2005-04-16 15:20:36 -0700497/**
498 * DRM_IOCTL_AGP_ENABLE ioctl argument type.
499 *
500 * \sa drmAgpEnable().
501 */
502typedef struct drm_agp_mode {
503 unsigned long mode; /**< AGP mode */
504} drm_agp_mode_t;
505
Linus Torvalds1da177e2005-04-16 15:20:36 -0700506/**
507 * DRM_IOCTL_AGP_ALLOC and DRM_IOCTL_AGP_FREE ioctls argument type.
508 *
509 * \sa drmAgpAlloc() and drmAgpFree().
510 */
511typedef struct drm_agp_buffer {
512 unsigned long size; /**< In bytes -- will round to page boundary */
513 unsigned long handle; /**< Used for binding / unbinding */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000514 unsigned long type; /**< Type of memory to allocate */
515 unsigned long physical; /**< Physical used by i810 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700516} drm_agp_buffer_t;
517
Linus Torvalds1da177e2005-04-16 15:20:36 -0700518/**
519 * DRM_IOCTL_AGP_BIND and DRM_IOCTL_AGP_UNBIND ioctls argument type.
520 *
521 * \sa drmAgpBind() and drmAgpUnbind().
522 */
523typedef struct drm_agp_binding {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000524 unsigned long handle; /**< From drm_agp_buffer */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700525 unsigned long offset; /**< In bytes -- will round to page boundary */
526} drm_agp_binding_t;
527
Linus Torvalds1da177e2005-04-16 15:20:36 -0700528/**
529 * DRM_IOCTL_AGP_INFO ioctl argument type.
530 *
531 * \sa drmAgpVersionMajor(), drmAgpVersionMinor(), drmAgpGetMode(),
532 * drmAgpBase(), drmAgpSize(), drmAgpMemoryUsed(), drmAgpMemoryAvail(),
533 * drmAgpVendorId() and drmAgpDeviceId().
534 */
535typedef struct drm_agp_info {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000536 int agp_version_major;
537 int agp_version_minor;
538 unsigned long mode;
539 unsigned long aperture_base; /* physical address */
540 unsigned long aperture_size; /* bytes */
541 unsigned long memory_allowed; /* bytes */
542 unsigned long memory_used;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700543
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000544 /* PCI information */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700545 unsigned short id_vendor;
546 unsigned short id_device;
547} drm_agp_info_t;
548
Linus Torvalds1da177e2005-04-16 15:20:36 -0700549/**
550 * DRM_IOCTL_SG_ALLOC ioctl argument type.
551 */
552typedef struct drm_scatter_gather {
553 unsigned long size; /**< In bytes -- will round to page boundary */
554 unsigned long handle; /**< Used for mapping / unmapping */
555} drm_scatter_gather_t;
556
557/**
558 * DRM_IOCTL_SET_VERSION ioctl argument type.
559 */
560typedef struct drm_set_version {
561 int drm_di_major;
562 int drm_di_minor;
563 int drm_dd_major;
564 int drm_dd_minor;
565} drm_set_version_t;
566
Linus Torvalds1da177e2005-04-16 15:20:36 -0700567#define DRM_IOCTL_BASE 'd'
568#define DRM_IO(nr) _IO(DRM_IOCTL_BASE,nr)
569#define DRM_IOR(nr,type) _IOR(DRM_IOCTL_BASE,nr,type)
570#define DRM_IOW(nr,type) _IOW(DRM_IOCTL_BASE,nr,type)
571#define DRM_IOWR(nr,type) _IOWR(DRM_IOCTL_BASE,nr,type)
572
573#define DRM_IOCTL_VERSION DRM_IOWR(0x00, drm_version_t)
574#define DRM_IOCTL_GET_UNIQUE DRM_IOWR(0x01, drm_unique_t)
575#define DRM_IOCTL_GET_MAGIC DRM_IOR( 0x02, drm_auth_t)
576#define DRM_IOCTL_IRQ_BUSID DRM_IOWR(0x03, drm_irq_busid_t)
577#define DRM_IOCTL_GET_MAP DRM_IOWR(0x04, drm_map_t)
578#define DRM_IOCTL_GET_CLIENT DRM_IOWR(0x05, drm_client_t)
579#define DRM_IOCTL_GET_STATS DRM_IOR( 0x06, drm_stats_t)
580#define DRM_IOCTL_SET_VERSION DRM_IOWR(0x07, drm_set_version_t)
581
582#define DRM_IOCTL_SET_UNIQUE DRM_IOW( 0x10, drm_unique_t)
583#define DRM_IOCTL_AUTH_MAGIC DRM_IOW( 0x11, drm_auth_t)
584#define DRM_IOCTL_BLOCK DRM_IOWR(0x12, drm_block_t)
585#define DRM_IOCTL_UNBLOCK DRM_IOWR(0x13, drm_block_t)
586#define DRM_IOCTL_CONTROL DRM_IOW( 0x14, drm_control_t)
587#define DRM_IOCTL_ADD_MAP DRM_IOWR(0x15, drm_map_t)
588#define DRM_IOCTL_ADD_BUFS DRM_IOWR(0x16, drm_buf_desc_t)
589#define DRM_IOCTL_MARK_BUFS DRM_IOW( 0x17, drm_buf_desc_t)
590#define DRM_IOCTL_INFO_BUFS DRM_IOWR(0x18, drm_buf_info_t)
591#define DRM_IOCTL_MAP_BUFS DRM_IOWR(0x19, drm_buf_map_t)
592#define DRM_IOCTL_FREE_BUFS DRM_IOW( 0x1a, drm_buf_free_t)
593
594#define DRM_IOCTL_RM_MAP DRM_IOW( 0x1b, drm_map_t)
595
596#define DRM_IOCTL_SET_SAREA_CTX DRM_IOW( 0x1c, drm_ctx_priv_map_t)
597#define DRM_IOCTL_GET_SAREA_CTX DRM_IOWR(0x1d, drm_ctx_priv_map_t)
598
599#define DRM_IOCTL_ADD_CTX DRM_IOWR(0x20, drm_ctx_t)
600#define DRM_IOCTL_RM_CTX DRM_IOWR(0x21, drm_ctx_t)
601#define DRM_IOCTL_MOD_CTX DRM_IOW( 0x22, drm_ctx_t)
602#define DRM_IOCTL_GET_CTX DRM_IOWR(0x23, drm_ctx_t)
603#define DRM_IOCTL_SWITCH_CTX DRM_IOW( 0x24, drm_ctx_t)
604#define DRM_IOCTL_NEW_CTX DRM_IOW( 0x25, drm_ctx_t)
605#define DRM_IOCTL_RES_CTX DRM_IOWR(0x26, drm_ctx_res_t)
606#define DRM_IOCTL_ADD_DRAW DRM_IOWR(0x27, drm_draw_t)
607#define DRM_IOCTL_RM_DRAW DRM_IOWR(0x28, drm_draw_t)
608#define DRM_IOCTL_DMA DRM_IOWR(0x29, drm_dma_t)
609#define DRM_IOCTL_LOCK DRM_IOW( 0x2a, drm_lock_t)
610#define DRM_IOCTL_UNLOCK DRM_IOW( 0x2b, drm_lock_t)
611#define DRM_IOCTL_FINISH DRM_IOW( 0x2c, drm_lock_t)
612
613#define DRM_IOCTL_AGP_ACQUIRE DRM_IO( 0x30)
614#define DRM_IOCTL_AGP_RELEASE DRM_IO( 0x31)
615#define DRM_IOCTL_AGP_ENABLE DRM_IOW( 0x32, drm_agp_mode_t)
616#define DRM_IOCTL_AGP_INFO DRM_IOR( 0x33, drm_agp_info_t)
617#define DRM_IOCTL_AGP_ALLOC DRM_IOWR(0x34, drm_agp_buffer_t)
618#define DRM_IOCTL_AGP_FREE DRM_IOW( 0x35, drm_agp_buffer_t)
619#define DRM_IOCTL_AGP_BIND DRM_IOW( 0x36, drm_agp_binding_t)
620#define DRM_IOCTL_AGP_UNBIND DRM_IOW( 0x37, drm_agp_binding_t)
621
622#define DRM_IOCTL_SG_ALLOC DRM_IOW( 0x38, drm_scatter_gather_t)
623#define DRM_IOCTL_SG_FREE DRM_IOW( 0x39, drm_scatter_gather_t)
624
625#define DRM_IOCTL_WAIT_VBLANK DRM_IOWR(0x3a, drm_wait_vblank_t)
626
627/**
628 * Device specific ioctls should only be in their respective headers
629 * The device specific ioctl range is from 0x40 to 0x79.
630 *
631 * \sa drmCommandNone(), drmCommandRead(), drmCommandWrite(), and
632 * drmCommandReadWrite().
633 */
634#define DRM_COMMAND_BASE 0x40
635
636#endif