/**
 * \file radeon_screen.h
 * \brief Screen initialization functions.
 * 
 * \author Kevin E. Martin <martin@valinux.com>
 * \author Gareth Hughes <gareth@valinux.com>
 */

/*
 * Copyright 2000, 2001 ATI Technologies Inc., Ontario, Canada, and
 *                      VA Linux Systems Inc., Fremont, California.
 * 
 * All Rights Reserved.
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * on the rights to use, copy, modify, merge, publish, distribute, sub
 * license, and/or sell copies of the Software, and to permit persons to whom
 * the Software is furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
 * ATI, VA LINUX SYSTEMS AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 * USE OR OTHER DEALINGS IN THE SOFTWARE.
 * 
 */

/* $XFree86: xc/lib/GL/mesa/src/drv/radeon/radeon_screen.h,v 1.3 2002/02/22 21:45:01 dawes Exp $ */

#ifndef __RADEON_SCREEN_H__
#define __RADEON_SCREEN_H__

/*
 * IMPORTS: these headers contain all the DRI, X and kernel-related
 * definitions that we need.
 */
#include "dri_util.h"
#include "radeon_common.h"
#include "radeon_dri.h"
#include "radeon_reg.h"
#include "radeon_sarea.h"


/**
 * \brief DRM region information.
 */
typedef struct {
   drmHandle handle;			/**< \brief Handle to the DRM region */
   drmSize size;			/**< \brief Size of the DRM region */
   drmAddress map;			/**< \brief Mapping of the DRM region */
} radeonRegionRec, *radeonRegionPtr;

/* chipset features */
#define RADEON_CHIPSET_TCL	(1 << 0)

/**
 * \brief Device specific screen data.
 */
typedef struct {

   int chipset;
   int cpp;
   int IsPCI;				/**< \brief Current card is a PCI card */
   int AGPMode;				/**< \brief AGP mode */
   unsigned int irq;			/**< \brief IRQ number (0 means none) */

   unsigned int frontOffset;
   unsigned int frontPitch;
   unsigned int backOffset;
   unsigned int backPitch;

   unsigned int depthOffset;
   unsigned int depthPitch;

    /** 
     * \name Shared texture data
     */
   /*@{*/
   int numTexHeaps;
   int texOffset[RADEON_NR_TEX_HEAPS];
   int texSize[RADEON_NR_TEX_HEAPS];
   int logTexGranularity[RADEON_NR_TEX_HEAPS];
   /*@}*/

   radeonRegionRec mmio;
   radeonRegionRec status;
   radeonRegionRec agpTextures;

   drmBufMapPtr buffers;

   __volatile__ GLuint *scratch;

   __DRIscreenPrivate *driScreen;
   unsigned int sarea_priv_offset;
   unsigned int agp_buffer_offset;	/**< offset in card memory space */
} radeonScreenRec, *radeonScreenPtr;

extern radeonScreenPtr radeonCreateScreen( __DRIscreenPrivate *sPriv );
extern void radeonDestroyScreen( __DRIscreenPrivate *sPriv );

#endif /* __RADEON_SCREEN_H__ */