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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 *
Jan Engelhardt96de0e22007-10-19 23:21:04 +02005 * \author Michel Dänzer <michel@daenzer.net>
Linus Torvalds1da177e2005-04-16 15:20:36 -07006 */
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__)
Dave Airlie7c1c2872008-11-28 14:22:24 +100039#define SAREA_MAX 0x2000U
Linus Torvalds1da177e2005-04-16 15:20:36 -070040#elif defined(__ia64__)
Dave Airlie7c1c2872008-11-28 14:22:24 +100041#define SAREA_MAX 0x10000U /* 64kB */
Linus Torvalds1da177e2005-04-16 15:20:36 -070042#else
43/* Intel 830M driver needs at least 8k SAREA */
Dave Airlie7c1c2872008-11-28 14:22:24 +100044#define SAREA_MAX 0x2000U
Linus Torvalds1da177e2005-04-16 15:20:36 -070045#endif
46
47/** Maximum number of drawables in the SAREA */
Dave Airliebc5f4522007-11-05 12:50:58 +100048#define SAREA_MAX_DRAWABLES 256
Linus Torvalds1da177e2005-04-16 15:20:36 -070049
50#define SAREA_DRAWABLE_CLAIMED_ENTRY 0x80000000
51
52/** SAREA drawable */
Dave Airliebd63cb52007-07-12 10:35:02 +100053struct drm_sarea_drawable {
Dave Airlieb5e89ed2005-09-25 14:28:13 +100054 unsigned int stamp;
55 unsigned int flags;
Dave Airliebd63cb52007-07-12 10:35:02 +100056};
Linus Torvalds1da177e2005-04-16 15:20:36 -070057
58/** SAREA frame */
Dave Airliebd63cb52007-07-12 10:35:02 +100059struct 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;
Dave Airliebd63cb52007-07-12 10:35:02 +100065};
Linus Torvalds1da177e2005-04-16 15:20:36 -070066
67/** SAREA */
Dave Airliebd63cb52007-07-12 10:35:02 +100068struct drm_sarea {
Linus Torvalds1da177e2005-04-16 15:20:36 -070069 /** first thing is always the DRM locking structure */
Dave Airliec60ce622007-07-11 15:27:12 +100070 struct drm_hw_lock lock;
Linus Torvalds1da177e2005-04-16 15:20:36 -070071 /** \todo Use readers/writer lock for drm_sarea::drawable_lock */
Dave Airliec60ce622007-07-11 15:27:12 +100072 struct drm_hw_lock drawable_lock;
Dave Airliebd63cb52007-07-12 10:35:02 +100073 struct drm_sarea_drawable drawableTable[SAREA_MAX_DRAWABLES]; /**< drawables */
74 struct drm_sarea_frame frame; /**< frame */
Dave Airlieb5e89ed2005-09-25 14:28:13 +100075 drm_context_t dummy_context;
Dave Airliebd63cb52007-07-12 10:35:02 +100076};
77
78#ifndef __KERNEL__
79typedef struct drm_sarea_drawable drm_sarea_drawable_t;
80typedef struct drm_sarea_frame drm_sarea_frame_t;
81typedef struct drm_sarea drm_sarea_t;
82#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070083
Dave Airlieb5e89ed2005-09-25 14:28:13 +100084#endif /* _DRM_SAREA_H_ */