blob: e94297b751b8b9d807f886dee3a27cbca403cb16 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/**
Dave Airlieb5e89ed2005-09-25 14:28:13 +10002 * \file drm_sarea.h
Linus Torvalds1da177e2005-04-16 15:20:36 -07003 * \brief SAREA definitions
4 *
5 * \author Michel Dänzer <michel@daenzer.net>
6 */
7
8/*
9 * Copyright 2002 Tungsten Graphics, Inc., Cedar Park, Texas.
10 * All Rights Reserved.
11 *
12 * Permission is hereby granted, free of charge, to any person obtaining a
13 * copy of this software and associated documentation files (the "Software"),
14 * to deal in the Software without restriction, including without limitation
15 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
16 * and/or sell copies of the Software, and to permit persons to whom the
17 * Software is furnished to do so, subject to the following conditions:
18 *
19 * The above copyright notice and this permission notice (including the next
20 * paragraph) shall be included in all copies or substantial portions of the
21 * Software.
22 *
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
24 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
25 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
26 * TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
27 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
28 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
29 * OTHER DEALINGS IN THE SOFTWARE.
30 */
31
32#ifndef _DRM_SAREA_H_
33#define _DRM_SAREA_H_
34
35#include "drm.h"
36
37/* SAREA area needs to be at least a page */
38#if defined(__alpha__)
39#define SAREA_MAX 0x2000
40#elif defined(__ia64__)
Dave Airlieb5e89ed2005-09-25 14:28:13 +100041#define SAREA_MAX 0x10000 /* 64kB */
Linus Torvalds1da177e2005-04-16 15:20:36 -070042#else
43/* Intel 830M driver needs at least 8k SAREA */
44#define SAREA_MAX 0x2000
45#endif
46
47/** Maximum number of drawables in the SAREA */
48#define SAREA_MAX_DRAWABLES 256
49
50#define SAREA_DRAWABLE_CLAIMED_ENTRY 0x80000000
51
52/** SAREA drawable */
53typedef struct drm_sarea_drawable {
Dave Airlieb5e89ed2005-09-25 14:28:13 +100054 unsigned int stamp;
55 unsigned int flags;
Linus Torvalds1da177e2005-04-16 15:20:36 -070056} drm_sarea_drawable_t;
57
58/** SAREA frame */
59typedef struct drm_sarea_frame {
Dave Airlieb5e89ed2005-09-25 14:28:13 +100060 unsigned int x;
61 unsigned int y;
62 unsigned int width;
63 unsigned int height;
64 unsigned int fullscreen;
Linus Torvalds1da177e2005-04-16 15:20:36 -070065} drm_sarea_frame_t;
66
67/** SAREA */
68typedef struct drm_sarea {
69 /** first thing is always the DRM locking structure */
Dave Airlieb5e89ed2005-09-25 14:28:13 +100070 drm_hw_lock_t lock;
Linus Torvalds1da177e2005-04-16 15:20:36 -070071 /** \todo Use readers/writer lock for drm_sarea::drawable_lock */
Dave Airlieb5e89ed2005-09-25 14:28:13 +100072 drm_hw_lock_t drawable_lock;
73 drm_sarea_drawable_t drawableTable[SAREA_MAX_DRAWABLES]; /**< drawables */
74 drm_sarea_frame_t frame; /**< frame */
75 drm_context_t dummy_context;
Linus Torvalds1da177e2005-04-16 15:20:36 -070076} drm_sarea_t;
77
Dave Airlieb5e89ed2005-09-25 14:28:13 +100078#endif /* _DRM_SAREA_H_ */