Commit | Line | Data |
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1da177e4 | 1 | /** |
b5e89ed5 | 2 | * \file drm_sarea.h |
1da177e4 LT |
3 | * \brief SAREA definitions |
4 | * | |
96de0e25 | 5 | * \author Michel Dänzer <michel@daenzer.net> |
1da177e4 LT |
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 | ||
a1ce3928 | 35 | #include <drm/drm.h> |
1da177e4 LT |
36 | |
37 | /* SAREA area needs to be at least a page */ | |
38 | #if defined(__alpha__) | |
7c1c2871 | 39 | #define SAREA_MAX 0x2000U |
fc7b8127 HC |
40 | #elif defined(__mips__) |
41 | #define SAREA_MAX 0x4000U | |
1da177e4 | 42 | #elif defined(__ia64__) |
7c1c2871 | 43 | #define SAREA_MAX 0x10000U /* 64kB */ |
1da177e4 LT |
44 | #else |
45 | /* Intel 830M driver needs at least 8k SAREA */ | |
7c1c2871 | 46 | #define SAREA_MAX 0x2000U |
1da177e4 LT |
47 | #endif |
48 | ||
49 | /** Maximum number of drawables in the SAREA */ | |
bc5f4523 | 50 | #define SAREA_MAX_DRAWABLES 256 |
1da177e4 LT |
51 | |
52 | #define SAREA_DRAWABLE_CLAIMED_ENTRY 0x80000000 | |
53 | ||
54 | /** SAREA drawable */ | |
bd63cb52 | 55 | struct drm_sarea_drawable { |
b5e89ed5 DA |
56 | unsigned int stamp; |
57 | unsigned int flags; | |
bd63cb52 | 58 | }; |
1da177e4 LT |
59 | |
60 | /** SAREA frame */ | |
bd63cb52 | 61 | struct drm_sarea_frame { |
b5e89ed5 DA |
62 | unsigned int x; |
63 | unsigned int y; | |
64 | unsigned int width; | |
65 | unsigned int height; | |
66 | unsigned int fullscreen; | |
bd63cb52 | 67 | }; |
1da177e4 LT |
68 | |
69 | /** SAREA */ | |
bd63cb52 | 70 | struct drm_sarea { |
1da177e4 | 71 | /** first thing is always the DRM locking structure */ |
c60ce623 | 72 | struct drm_hw_lock lock; |
1da177e4 | 73 | /** \todo Use readers/writer lock for drm_sarea::drawable_lock */ |
c60ce623 | 74 | struct drm_hw_lock drawable_lock; |
bd63cb52 DA |
75 | struct drm_sarea_drawable drawableTable[SAREA_MAX_DRAWABLES]; /**< drawables */ |
76 | struct drm_sarea_frame frame; /**< frame */ | |
b5e89ed5 | 77 | drm_context_t dummy_context; |
bd63cb52 DA |
78 | }; |
79 | ||
80 | #ifndef __KERNEL__ | |
81 | typedef struct drm_sarea_drawable drm_sarea_drawable_t; | |
82 | typedef struct drm_sarea_frame drm_sarea_frame_t; | |
83 | typedef struct drm_sarea drm_sarea_t; | |
84 | #endif | |
1da177e4 | 85 | |
b5e89ed5 | 86 | #endif /* _DRM_SAREA_H_ */ |