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/** @file
* VirtualBox graphics card port I/O definitions
*/
/*
* Copyright (C) 2006-2011 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*/
#ifndef ___VBox_Hardware_VBoxVideoVBE_h
#define ___VBox_Hardware_VBoxVideoVBE_h
/* GUEST <-> HOST Communication API */
/** @todo FIXME: Either dynamicly ask host for this or put somewhere high in
* physical memory like 0xE0000000. */
#define VBE_DISPI_BANK_ADDRESS 0xA0000
#define VBE_DISPI_BANK_SIZE_KB 64
#define VBE_DISPI_MAX_XRES 16384
#define VBE_DISPI_MAX_YRES 16384
#define VBE_DISPI_MAX_BPP 32
#define VBE_DISPI_IOPORT_INDEX 0x01CE
#define VBE_DISPI_IOPORT_DATA 0x01CF
#define VBE_DISPI_IOPORT_DAC_WRITE_INDEX 0x03C8
#define VBE_DISPI_IOPORT_DAC_DATA 0x03C9
#define VBE_DISPI_INDEX_ID 0x0
#define VBE_DISPI_INDEX_XRES 0x1
#define VBE_DISPI_INDEX_YRES 0x2
#define VBE_DISPI_INDEX_BPP 0x3
#define VBE_DISPI_INDEX_ENABLE 0x4
#define VBE_DISPI_INDEX_BANK 0x5
#define VBE_DISPI_INDEX_VIRT_WIDTH 0x6
#define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7
#define VBE_DISPI_INDEX_X_OFFSET 0x8
#define VBE_DISPI_INDEX_Y_OFFSET 0x9
#define VBE_DISPI_INDEX_VBOX_VIDEO 0xa
#define VBE_DISPI_INDEX_FB_BASE_HI 0xb
#define VBE_DISPI_ID0 0xB0C0
#define VBE_DISPI_ID1 0xB0C1
#define VBE_DISPI_ID2 0xB0C2
#define VBE_DISPI_ID3 0xB0C3
#define VBE_DISPI_ID4 0xB0C4
#define VBE_DISPI_ID_VBOX_VIDEO 0xBE00
/* The VBOX interface id. Indicates support for VBVA shared memory interface. */
#define VBE_DISPI_ID_HGSMI 0xBE01
#define VBE_DISPI_ID_ANYX 0xBE02
#define VBE_DISPI_DISABLED 0x00
#define VBE_DISPI_ENABLED 0x01
#define VBE_DISPI_GETCAPS 0x02
#define VBE_DISPI_8BIT_DAC 0x20
/** @note this definition is a BOCHS legacy, used only in the video BIOS
* code and ignored by the emulated hardware. */
#define VBE_DISPI_LFB_ENABLED 0x40
#define VBE_DISPI_NOCLEARMEM 0x80
#define VGA_PORT_HGSMI_HOST 0x3b0
#define VGA_PORT_HGSMI_GUEST 0x3d0
#define VBOX_VIDEO_MAX_SCREENS 64
#endif /* !___VBox_Hardware_VBoxVideoVBE_h */
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