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/* -*- pse-c -*-
*-----------------------------------------------------------------------------
* Filename: igd_vga.h
* $Revision: 1.2 $
*-----------------------------------------------------------------------------
* INTEL CONFIDENTIAL
* Copyright (2002-2008) Intel Corporation All Rights Reserved.
* The source code contained or described herein and all documents related to
* the source code ("Material") are owned by Intel Corporation or its suppliers
* or licensors. Title to the Material remains with Intel Corporation or its
* suppliers and licensors. The Material contains trade secrets and proprietary
* and confidential information of Intel or its suppliers and licensors. The
* Material is protected by worldwide copyright and trade secret laws and
* treaty provisions. No part of the Material may be used, copied, reproduced,
* modified, published, uploaded, posted, transmitted, distributed, or
* disclosed in any way without Intel's prior express written permission.
*
* No license under any patent, copyright, trade secret or other intellectual
* property right is granted to or conferred upon you by disclosure or
* delivery of the Materials, either expressly, by implication, inducement,
* estoppel or otherwise. Any license under such intellectual property rights
* must be express and approved by Intel in writing.
*
*
*-----------------------------------------------------------------------------
* Description:
* Header file for common VGA registers and macros.
*-----------------------------------------------------------------------------
* Authors:
* James Vogt <james.vogt@intel.com>
*-----------------------------------------------------------------------------
*/
#ifndef _IGD_VGA_H
#define _IGD_VGA_H
#ifdef CONFIG_MICRO
#define VB_CODE_SEG __based( __segname("_CODE"))
#else
#define VB_CODE_SEG
#endif
/* The Maximum VGA Mode Number as specified in the IGD Mode Table. */
#define VGA_MODE_NUM_MAX 0x1C
typedef struct vga_mode_data {
unsigned char cols;
unsigned char rows; /* #rows-1 */
unsigned char char_height;
unsigned short video_buff_size;
unsigned char sr_regs[4];
unsigned char misc_reg;
unsigned char crtc_regs[25];
unsigned char ar_regs[20];
unsigned char gr_regs[9];
} vga_mode_data_t;
/* This contains the VGA Mode Table. A ptr to this exists in the
* Environment. */
extern vga_mode_data_t VB_CODE_SEG vga_mode_data[];
/* This contains a pointer to the VGA Mode_Table. This is necessary, so
* vga_mode.c can use this to program the mode, incase the user has
* changed the Environment Table. */
extern vga_mode_data_t FAR (*vga_mode_data_ptr)[];
#endif
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