1*4882a593Smuzhiyun /** 2*4882a593Smuzhiyun * \file drm_sarea.h 3*4882a593Smuzhiyun * \brief SAREA definitions 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * \author Michel Dänzer <michel@daenzer.net> 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun /* 9*4882a593Smuzhiyun * Copyright 2002 Tungsten Graphics, Inc., Cedar Park, Texas. 10*4882a593Smuzhiyun * All Rights Reserved. 11*4882a593Smuzhiyun * 12*4882a593Smuzhiyun * Permission is hereby granted, free of charge, to any person obtaining a 13*4882a593Smuzhiyun * copy of this software and associated documentation files (the "Software"), 14*4882a593Smuzhiyun * to deal in the Software without restriction, including without limitation 15*4882a593Smuzhiyun * the rights to use, copy, modify, merge, publish, distribute, sublicense, 16*4882a593Smuzhiyun * and/or sell copies of the Software, and to permit persons to whom the 17*4882a593Smuzhiyun * Software is furnished to do so, subject to the following conditions: 18*4882a593Smuzhiyun * 19*4882a593Smuzhiyun * The above copyright notice and this permission notice (including the next 20*4882a593Smuzhiyun * paragraph) shall be included in all copies or substantial portions of the 21*4882a593Smuzhiyun * Software. 22*4882a593Smuzhiyun * 23*4882a593Smuzhiyun * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 24*4882a593Smuzhiyun * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 25*4882a593Smuzhiyun * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 26*4882a593Smuzhiyun * TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 27*4882a593Smuzhiyun * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 28*4882a593Smuzhiyun * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 29*4882a593Smuzhiyun * OTHER DEALINGS IN THE SOFTWARE. 30*4882a593Smuzhiyun */ 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun #ifndef _DRM_SAREA_H_ 33*4882a593Smuzhiyun #define _DRM_SAREA_H_ 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun #include "drm.h" 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun #if defined(__cplusplus) 38*4882a593Smuzhiyun extern "C" { 39*4882a593Smuzhiyun #endif 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun /* SAREA area needs to be at least a page */ 42*4882a593Smuzhiyun #if defined(__alpha__) 43*4882a593Smuzhiyun #define SAREA_MAX 0x2000U 44*4882a593Smuzhiyun #elif defined(__mips__) 45*4882a593Smuzhiyun #define SAREA_MAX 0x4000U 46*4882a593Smuzhiyun #elif defined(__ia64__) 47*4882a593Smuzhiyun #define SAREA_MAX 0x10000U /* 64kB */ 48*4882a593Smuzhiyun #else 49*4882a593Smuzhiyun /* Intel 830M driver needs at least 8k SAREA */ 50*4882a593Smuzhiyun #define SAREA_MAX 0x2000U 51*4882a593Smuzhiyun #endif 52*4882a593Smuzhiyun 53*4882a593Smuzhiyun /** Maximum number of drawables in the SAREA */ 54*4882a593Smuzhiyun #define SAREA_MAX_DRAWABLES 256 55*4882a593Smuzhiyun 56*4882a593Smuzhiyun #define SAREA_DRAWABLE_CLAIMED_ENTRY 0x80000000 57*4882a593Smuzhiyun 58*4882a593Smuzhiyun /** SAREA drawable */ 59*4882a593Smuzhiyun struct drm_sarea_drawable { 60*4882a593Smuzhiyun unsigned int stamp; 61*4882a593Smuzhiyun unsigned int flags; 62*4882a593Smuzhiyun }; 63*4882a593Smuzhiyun 64*4882a593Smuzhiyun /** SAREA frame */ 65*4882a593Smuzhiyun struct drm_sarea_frame { 66*4882a593Smuzhiyun unsigned int x; 67*4882a593Smuzhiyun unsigned int y; 68*4882a593Smuzhiyun unsigned int width; 69*4882a593Smuzhiyun unsigned int height; 70*4882a593Smuzhiyun unsigned int fullscreen; 71*4882a593Smuzhiyun }; 72*4882a593Smuzhiyun 73*4882a593Smuzhiyun /** SAREA */ 74*4882a593Smuzhiyun struct drm_sarea { 75*4882a593Smuzhiyun /** first thing is always the DRM locking structure */ 76*4882a593Smuzhiyun struct drm_hw_lock lock; 77*4882a593Smuzhiyun /** \todo Use readers/writer lock for drm_sarea::drawable_lock */ 78*4882a593Smuzhiyun struct drm_hw_lock drawable_lock; 79*4882a593Smuzhiyun struct drm_sarea_drawable drawableTable[SAREA_MAX_DRAWABLES]; /**< drawables */ 80*4882a593Smuzhiyun struct drm_sarea_frame frame; /**< frame */ 81*4882a593Smuzhiyun drm_context_t dummy_context; 82*4882a593Smuzhiyun }; 83*4882a593Smuzhiyun 84*4882a593Smuzhiyun #ifndef __KERNEL__ 85*4882a593Smuzhiyun typedef struct drm_sarea_drawable drm_sarea_drawable_t; 86*4882a593Smuzhiyun typedef struct drm_sarea_frame drm_sarea_frame_t; 87*4882a593Smuzhiyun typedef struct drm_sarea drm_sarea_t; 88*4882a593Smuzhiyun #endif 89*4882a593Smuzhiyun 90*4882a593Smuzhiyun #if defined(__cplusplus) 91*4882a593Smuzhiyun } 92*4882a593Smuzhiyun #endif 93*4882a593Smuzhiyun 94*4882a593Smuzhiyun #endif /* _DRM_SAREA_H_ */ 95