107 lines
4.3 KiB
C
107 lines
4.3 KiB
C
/* $Id: VBoxVideoVBE.h $ */
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/** @file
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* VirtualBox graphics card port I/O definitions
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*/
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/*
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* Copyright (C) 2006-2023 Oracle and/or its affiliates.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef VBOX_INCLUDED_Graphics_VBoxVideoVBE_h
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#define VBOX_INCLUDED_Graphics_VBoxVideoVBE_h
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#ifndef RT_WITHOUT_PRAGMA_ONCE
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# pragma once
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#endif
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/* GUEST <-> HOST Communication API */
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/** @todo FIXME: Either dynamicly ask host for this or put somewhere high in
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* physical memory like 0xE0000000. */
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#define VBE_DISPI_BANK_ADDRESS 0xA0000
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#define VBE_DISPI_BANK_SIZE_KB 64
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#define VBE_DISPI_MAX_XRES 16384
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#define VBE_DISPI_MAX_YRES 16384
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#define VBE_DISPI_MAX_BPP 32
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#define VBE_DISPI_IOPORT_INDEX 0x01CE
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#define VBE_DISPI_IOPORT_DATA 0x01CF
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#define VBE_DISPI_IOPORT_DAC_WRITE_INDEX 0x03C8
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#define VBE_DISPI_IOPORT_DAC_DATA 0x03C9
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/* Cross reference with src/VBox/Devices/Graphics/DevVGA.h */
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#define VBE_DISPI_INDEX_ID 0x0
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#define VBE_DISPI_INDEX_XRES 0x1
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#define VBE_DISPI_INDEX_YRES 0x2
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#define VBE_DISPI_INDEX_BPP 0x3
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#define VBE_DISPI_INDEX_ENABLE 0x4
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#define VBE_DISPI_INDEX_BANK 0x5
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#define VBE_DISPI_INDEX_VIRT_WIDTH 0x6
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#define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7
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#define VBE_DISPI_INDEX_X_OFFSET 0x8
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#define VBE_DISPI_INDEX_Y_OFFSET 0x9
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#define VBE_DISPI_INDEX_VBOX_VIDEO 0xa
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#define VBE_DISPI_INDEX_FB_BASE_HI 0xb
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#define VBE_DISPI_INDEX_CFG 0xc
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#define VBE_DISPI_ID0 0xB0C0
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#define VBE_DISPI_ID1 0xB0C1
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#define VBE_DISPI_ID2 0xB0C2
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#define VBE_DISPI_ID3 0xB0C3
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#define VBE_DISPI_ID4 0xB0C4
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#define VBE_DISPI_ID_VBOX_VIDEO 0xBE00
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/* The VBOX interface id. Indicates support for VBVA shared memory interface. */
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#define VBE_DISPI_ID_HGSMI 0xBE01
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#define VBE_DISPI_ID_ANYX 0xBE02
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#define VBE_DISPI_ID_CFG 0xBE03 /* VBE_DISPI_INDEX_CFG is available. */
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#define VBE_DISPI_DISABLED 0x00
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#define VBE_DISPI_ENABLED 0x01
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#define VBE_DISPI_GETCAPS 0x02
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#define VBE_DISPI_8BIT_DAC 0x20
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/** @note this definition is a BOCHS legacy, used only in the video BIOS
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* code and ignored by the emulated hardware. */
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#define VBE_DISPI_LFB_ENABLED 0x40
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#define VBE_DISPI_NOCLEARMEM 0x80
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/* VBE_DISPI_INDEX_CFG content. */
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#define VBE_DISPI_CFG_MASK_ID 0x0FFF /* Identifier of a configuration value. */
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#define VBE_DISPI_CFG_MASK_SUPPORT 0x1000 /* Query whether the identifier is supported. */
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#define VBE_DISPI_CFG_MASK_RESERVED 0xE000 /* For future extensions. Must be 0. */
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/* VBE_DISPI_INDEX_CFG values. */
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#define VBE_DISPI_CFG_ID_VERSION 0x0000 /* Version of the configuration interface. */
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#define VBE_DISPI_CFG_ID_VRAM_SIZE 0x0001 /* VRAM size. */
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#define VBE_DISPI_CFG_ID_3D 0x0002 /* 3D support. */
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#define VBE_DISPI_CFG_ID_VMSVGA 0x0003 /* VMSVGA FIFO and ports are available. */
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#define VBE_DISPI_CFG_ID_VMSVGA_DX 0x0004 /* VGPU10 is enabled. */
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#define VGA_PORT_HGSMI_HOST 0x3b0
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#define VGA_PORT_HGSMI_GUEST 0x3d0
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#endif /* !VBOX_INCLUDED_Graphics_VBoxVideoVBE_h */
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