1 /** 2 * \file drm_sarea.h 3 * \brief SAREA definitions 4 * 5 * \author Michel D�zer <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 #include <sys/cdefs.h> 33 #ifndef _DRM_SAREA_H_ 34 #define _DRM_SAREA_H_ 35 36 #include <dev/drm2/drm.h> 37 38 /* Intel 830M driver needs at least 8k SAREA */ 39 #define SAREA_MAX 0x2000U 40 41 /** Maximum number of drawables in the SAREA */ 42 #define SAREA_MAX_DRAWABLES 256 43 44 #define SAREA_DRAWABLE_CLAIMED_ENTRY 0x80000000 45 46 /** SAREA drawable */ 47 struct drm_sarea_drawable { 48 unsigned int stamp; 49 unsigned int flags; 50 }; 51 52 /** SAREA frame */ 53 struct drm_sarea_frame { 54 unsigned int x; 55 unsigned int y; 56 unsigned int width; 57 unsigned int height; 58 unsigned int fullscreen; 59 }; 60 61 /** SAREA */ 62 struct drm_sarea { 63 /** first thing is always the DRM locking structure */ 64 struct drm_hw_lock lock; 65 /** \todo Use readers/writer lock for drm_sarea::drawable_lock */ 66 struct drm_hw_lock drawable_lock; 67 struct drm_sarea_drawable drawableTable[SAREA_MAX_DRAWABLES]; /**< drawables */ 68 struct drm_sarea_frame frame; /**< frame */ 69 drm_context_t dummy_context; 70 }; 71 72 #ifndef __KERNEL__ 73 typedef struct drm_sarea_drawable drm_sarea_drawable_t; 74 typedef struct drm_sarea_frame drm_sarea_frame_t; 75 typedef struct drm_sarea drm_sarea_t; 76 #endif 77 78 #endif /* _DRM_SAREA_H_ */ 79