7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync/**
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync * \file drm_sarea.h
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync * \brief SAREA definitions
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync *
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync * \author Michel D�zer <michel@daenzer.net>
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync */
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync/*
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync * Copyright 2002 Tungsten Graphics, Inc., Cedar Park, Texas.
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync * All Rights Reserved.
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync *
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync * Permission is hereby granted, free of charge, to any person obtaining a
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync * copy of this software and associated documentation files (the "Software"),
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync * to deal in the Software without restriction, including without limitation
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync * the rights to use, copy, modify, merge, publish, distribute, sublicense,
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync * and/or sell copies of the Software, and to permit persons to whom the
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync * Software is furnished to do so, subject to the following conditions:
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync *
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync * The above copyright notice and this permission notice (including the next
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync * paragraph) shall be included in all copies or substantial portions of the
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync * Software.
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync *
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync * TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync * OTHER DEALINGS IN THE SOFTWARE.
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync */
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync#ifndef _DRM_SAREA_H_
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync#define _DRM_SAREA_H_
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync#include "drm.h"
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync/* SAREA area needs to be at least a page */
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync#if defined(__alpha__)
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync#define SAREA_MAX 0x2000
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync#elif defined(__ia64__)
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync#define SAREA_MAX 0x10000 /* 64kB */
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync#else
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync/* Intel 830M driver needs at least 8k SAREA */
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync#define SAREA_MAX 0x2000UL
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync#endif
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync/** Maximum number of drawables in the SAREA */
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync#define SAREA_MAX_DRAWABLES 256
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync#define SAREA_DRAWABLE_CLAIMED_ENTRY 0x80000000
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync/** SAREA drawable */
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsyncstruct drm_sarea_drawable {
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync unsigned int stamp;
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync unsigned int flags;
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync};
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync/** SAREA frame */
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsyncstruct drm_sarea_frame {
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync unsigned int x;
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync unsigned int y;
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync unsigned int width;
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync unsigned int height;
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync unsigned int fullscreen;
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync};
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync/** SAREA */
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsyncstruct drm_sarea {
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync /** first thing is always the DRM locking structure */
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync struct drm_hw_lock lock;
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync /** \todo Use readers/writer lock for drm_sarea::drawable_lock */
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync struct drm_hw_lock drawable_lock;
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync struct drm_sarea_drawable drawableTable[SAREA_MAX_DRAWABLES]; /**< drawables */
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync struct drm_sarea_frame frame; /**< frame */
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync drm_context_t dummy_context;
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync};
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync#ifndef __KERNEL__
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsynctypedef struct drm_sarea_drawable drm_sarea_drawable_t;
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsynctypedef struct drm_sarea_frame drm_sarea_frame_t;
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsynctypedef struct drm_sarea drm_sarea_t;
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync#endif
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync
7a0d67332f33bc21290d63bc7c8150b0cf0a4b21vboxsync#endif /* _DRM_SAREA_H_ */