1119098Sanholt/** 2145132Sanholt * \file drm_sarea.h 3119098Sanholt * \brief SAREA definitions 4112015Sanholt * 5130331Sanholt * \author Michel D���zer <michel@daenzer.net> 6119098Sanholt */ 7119098Sanholt 8139749Simp/*- 9112015Sanholt * Copyright 2002 Tungsten Graphics, Inc., Cedar Park, Texas. 10112015Sanholt * All Rights Reserved. 11112015Sanholt * 12112015Sanholt * Permission is hereby granted, free of charge, to any person obtaining a 13112015Sanholt * copy of this software and associated documentation files (the "Software"), 14112015Sanholt * to deal in the Software without restriction, including without limitation 15112015Sanholt * the rights to use, copy, modify, merge, publish, distribute, sublicense, 16112015Sanholt * and/or sell copies of the Software, and to permit persons to whom the 17112015Sanholt * Software is furnished to do so, subject to the following conditions: 18112015Sanholt * 19112015Sanholt * The above copyright notice and this permission notice (including the next 20112015Sanholt * paragraph) shall be included in all copies or substantial portions of the 21112015Sanholt * Software. 22112015Sanholt * 23112015Sanholt * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 24112015Sanholt * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 25112015Sanholt * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 26112015Sanholt * TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 27112015Sanholt * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 28112015Sanholt * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 29112015Sanholt * OTHER DEALINGS IN THE SOFTWARE. 30112015Sanholt */ 31112015Sanholt 32152909Sanholt#include <sys/cdefs.h> 33152909Sanholt__FBSDID("$FreeBSD$"); 34152909Sanholt 35112015Sanholt#ifndef _DRM_SAREA_H_ 36112015Sanholt#define _DRM_SAREA_H_ 37112015Sanholt 38130331Sanholt#include "dev/drm/drm.h" 39130331Sanholt 40130331Sanholt/* SAREA area needs to be at least a page */ 41130331Sanholt#if defined(__alpha__) 42130331Sanholt#define SAREA_MAX 0x2000 43130331Sanholt#elif defined(__ia64__) 44145132Sanholt#define SAREA_MAX 0x10000 /* 64kB */ 45130331Sanholt#else 46130331Sanholt/* Intel 830M driver needs at least 8k SAREA */ 47182080Srnoland#define SAREA_MAX 0x2000UL 48130331Sanholt#endif 49130331Sanholt 50119098Sanholt/** Maximum number of drawables in the SAREA */ 51182080Srnoland#define SAREA_MAX_DRAWABLES 256 52112015Sanholt 53130331Sanholt#define SAREA_DRAWABLE_CLAIMED_ENTRY 0x80000000 54130331Sanholt 55119098Sanholt/** SAREA drawable */ 56182080Srnolandstruct drm_sarea_drawable { 57145132Sanholt unsigned int stamp; 58145132Sanholt unsigned int flags; 59182080Srnoland}; 60112015Sanholt 61119098Sanholt/** SAREA frame */ 62182080Srnolandstruct drm_sarea_frame { 63145132Sanholt unsigned int x; 64145132Sanholt unsigned int y; 65145132Sanholt unsigned int width; 66145132Sanholt unsigned int height; 67145132Sanholt unsigned int fullscreen; 68182080Srnoland}; 69112015Sanholt 70119098Sanholt/** SAREA */ 71182080Srnolandstruct drm_sarea { 72119098Sanholt /** first thing is always the DRM locking structure */ 73182080Srnoland struct drm_hw_lock lock; 74119098Sanholt /** \todo Use readers/writer lock for drm_sarea::drawable_lock */ 75182080Srnoland struct drm_hw_lock drawable_lock; 76182080Srnoland struct drm_sarea_drawable drawableTable[SAREA_MAX_DRAWABLES]; /**< drawables */ 77182080Srnoland struct drm_sarea_frame frame; /**< frame */ 78145132Sanholt drm_context_t dummy_context; 79182080Srnoland}; 80112015Sanholt 81182080Srnoland#ifndef __KERNEL__ 82182080Srnolandtypedef struct drm_sarea_drawable drm_sarea_drawable_t; 83182080Srnolandtypedef struct drm_sarea_frame drm_sarea_frame_t; 84182080Srnolandtypedef struct drm_sarea drm_sarea_t; 85182080Srnoland#endif 86182080Srnoland 87145132Sanholt#endif /* _DRM_SAREA_H_ */ 88