245 lines
10 KiB
C
245 lines
10 KiB
C
/** @file
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* VirtualBox graphics card definitions, private interface for firmware
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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_VBoxVideoVBEPrivate_h
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#define VBOX_INCLUDED_Graphics_VBoxVideoVBEPrivate_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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#ifdef VBE
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# include <stdint.h>
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#else
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# include <iprt/types.h>
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#endif
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/* VBE Mode Numbers */
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#define VBE_MODE_VESA_DEFINED 0x0100
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#define VBE_MODE_REFRESH_RATE_USE_CRTC 0x0800
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#define VBE_MODE_LINEAR_FRAME_BUFFER 0x4000
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#define VBE_MODE_PRESERVE_DISPLAY_MEMORY 0x8000
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/* VBE GFX Mode Number */
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#define VBE_VESA_MODE_640X400X8 0x100
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#define VBE_VESA_MODE_640X480X8 0x101
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#define VBE_VESA_MODE_800X600X4 0x102
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#define VBE_VESA_MODE_800X600X8 0x103
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#define VBE_VESA_MODE_1024X768X4 0x104
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#define VBE_VESA_MODE_1024X768X8 0x105
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#define VBE_VESA_MODE_1280X1024X4 0x106
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#define VBE_VESA_MODE_1280X1024X8 0x107
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#define VBE_VESA_MODE_320X200X1555 0x10D
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#define VBE_VESA_MODE_320X200X565 0x10E
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#define VBE_VESA_MODE_320X200X888 0x10F
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#define VBE_VESA_MODE_640X480X1555 0x110
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#define VBE_VESA_MODE_640X480X565 0x111
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#define VBE_VESA_MODE_640X480X888 0x112
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#define VBE_VESA_MODE_800X600X1555 0x113
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#define VBE_VESA_MODE_800X600X565 0x114
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#define VBE_VESA_MODE_800X600X888 0x115
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#define VBE_VESA_MODE_1024X768X1555 0x116
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#define VBE_VESA_MODE_1024X768X565 0x117
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#define VBE_VESA_MODE_1024X768X888 0x118
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#define VBE_VESA_MODE_1280X1024X1555 0x119
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#define VBE_VESA_MODE_1280X1024X565 0x11A
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#define VBE_VESA_MODE_1280X1024X888 0x11B
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#define VBE_VESA_MODE_1600X1200X8 0x11C
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#define VBE_VESA_MODE_1600X1200X1555 0x11D
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#define VBE_VESA_MODE_1600X1200X565 0x11E
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#define VBE_VESA_MODE_1600X1200X888 0x11F
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/* BOCHS/PLEX86 'own' mode numbers */
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#define VBE_OWN_MODE_320X200X8888 0x140
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#define VBE_OWN_MODE_640X400X8888 0x141
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#define VBE_OWN_MODE_640X480X8888 0x142
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#define VBE_OWN_MODE_800X600X8888 0x143
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#define VBE_OWN_MODE_1024X768X8888 0x144
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#define VBE_OWN_MODE_1280X1024X8888 0x145
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#define VBE_OWN_MODE_320X200X8 0x146
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#define VBE_OWN_MODE_1600X1200X8888 0x147
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#define VBE_OWN_MODE_1152X864X8 0x148
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#define VBE_OWN_MODE_1152X864X1555 0x149
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#define VBE_OWN_MODE_1152X864X565 0x14a
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#define VBE_OWN_MODE_1152X864X888 0x14b
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#define VBE_OWN_MODE_1152X864X8888 0x14c
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/* VirtualBox 'own' mode numbers */
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#define VBE_VBOX_MODE_CUSTOM1 0x160
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#define VBE_VBOX_MODE_CUSTOM2 0x161
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#define VBE_VBOX_MODE_CUSTOM3 0x162
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#define VBE_VBOX_MODE_CUSTOM4 0x163
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#define VBE_VBOX_MODE_CUSTOM5 0x164
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#define VBE_VBOX_MODE_CUSTOM6 0x165
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#define VBE_VBOX_MODE_CUSTOM7 0x166
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#define VBE_VBOX_MODE_CUSTOM8 0x167
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#define VBE_VBOX_MODE_CUSTOM9 0x168
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#define VBE_VBOX_MODE_CUSTOM10 0x169
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#define VBE_VBOX_MODE_CUSTOM11 0x16a
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#define VBE_VBOX_MODE_CUSTOM12 0x16b
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#define VBE_VBOX_MODE_CUSTOM13 0x16c
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#define VBE_VBOX_MODE_CUSTOM14 0x16d
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#define VBE_VBOX_MODE_CUSTOM15 0x16e
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#define VBE_VBOX_MODE_CUSTOM16 0x16f
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#define VBE_VESA_MODE_END_OF_LIST 0xFFFF
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/* Capabilities */
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#define VBE_CAPABILITY_8BIT_DAC 0x0001
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#define VBE_CAPABILITY_NOT_VGA_COMPATIBLE 0x0002
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#define VBE_CAPABILITY_RAMDAC_USE_BLANK_BIT 0x0004
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#define VBE_CAPABILITY_STEREOSCOPIC_SUPPORT 0x0008
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#define VBE_CAPABILITY_STEREO_VIA_VESA_EVC 0x0010
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/* Mode Attributes */
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#define VBE_MODE_ATTRIBUTE_SUPPORTED 0x0001
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#define VBE_MODE_ATTRIBUTE_EXTENDED_INFORMATION_AVAILABLE 0x0002
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#define VBE_MODE_ATTRIBUTE_TTY_BIOS_SUPPORT 0x0004
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#define VBE_MODE_ATTRIBUTE_COLOR_MODE 0x0008
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#define VBE_MODE_ATTRIBUTE_GRAPHICS_MODE 0x0010
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#define VBE_MODE_ATTRIBUTE_NOT_VGA_COMPATIBLE 0x0020
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#define VBE_MODE_ATTRIBUTE_NO_VGA_COMPATIBLE_WINDOW 0x0040
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#define VBE_MODE_ATTRIBUTE_LINEAR_FRAME_BUFFER_MODE 0x0080
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#define VBE_MODE_ATTRIBUTE_DOUBLE_SCAN_MODE 0x0100
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#define VBE_MODE_ATTRIBUTE_INTERLACE_MODE 0x0200
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#define VBE_MODE_ATTRIBUTE_HARDWARE_TRIPLE_BUFFER 0x0400
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#define VBE_MODE_ATTRIBUTE_HARDWARE_STEREOSCOPIC_DISPLAY 0x0800
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#define VBE_MODE_ATTRIBUTE_DUAL_DISPLAY_START_ADDRESS 0x1000
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#define VBE_MODE_ATTTRIBUTE_LFB_ONLY ( VBE_MODE_ATTRIBUTE_NO_VGA_COMPATIBLE_WINDOW | VBE_MODE_ATTRIBUTE_LINEAR_FRAME_BUFFER_MODE )
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/* Window attributes */
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#define VBE_WINDOW_ATTRIBUTE_RELOCATABLE 0x01
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#define VBE_WINDOW_ATTRIBUTE_READABLE 0x02
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#define VBE_WINDOW_ATTRIBUTE_WRITEABLE 0x04
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/* Memory model */
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#define VBE_MEMORYMODEL_TEXT_MODE 0x00
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#define VBE_MEMORYMODEL_CGA_GRAPHICS 0x01
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#define VBE_MEMORYMODEL_HERCULES_GRAPHICS 0x02
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#define VBE_MEMORYMODEL_PLANAR 0x03
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#define VBE_MEMORYMODEL_PACKED_PIXEL 0x04
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#define VBE_MEMORYMODEL_NON_CHAIN_4_256 0x05
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#define VBE_MEMORYMODEL_DIRECT_COLOR 0x06
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#define VBE_MEMORYMODEL_YUV 0x07
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/* DirectColorModeInfo */
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#define VBE_DIRECTCOLOR_COLOR_RAMP_PROGRAMMABLE 0x01
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#define VBE_DIRECTCOLOR_RESERVED_BITS_AVAILABLE 0x02
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/* Video memory */
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#define VGAMEM_GRAPH 0xA000
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/**
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* VBE Bios Extra Data structure.
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*/
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typedef struct VBEHeader
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{
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/** Signature (VBEHEADER_MAGIC). */
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uint16_t u16Signature;
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/** Data size. */
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uint16_t cbData;
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} VBEHeader;
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/** The value of the VBEHeader::u16Signature field. */
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#define VBEHEADER_MAGIC 0x77CC
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/** The extra port which is used to read the mode list. */
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#define VBE_EXTRA_PORT 0x3b6
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/** The extra port which is used for debug printf. */
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#define VBE_PRINTF_PORT 0x3b7
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/**
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* This one is for compactly storing a list of mode info blocks
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*/
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#pragma pack(1) /* pack(1) is important! (you'll get a byte extra for each of the u8 fields elsewise...)
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* bird: Load of non-sense. You'll get two extra bytes before MaxPixelClock if you don't pack it. */
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typedef struct ModeInfoBlockCompact
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{
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/* Mandatory information for all VBE revisions */
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uint16_t ModeAttributes;
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uint8_t WinAAttributes;
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uint8_t WinBAttributes;
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uint16_t WinGranularity;
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uint16_t WinSize;
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uint16_t WinASegment;
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uint16_t WinBSegment;
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uint32_t WinFuncPtr;
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uint16_t BytesPerScanLine;
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/* Mandatory information for VBE 1.2 and above */
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uint16_t XResolution;
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uint16_t YResolution;
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uint8_t XCharSize;
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uint8_t YCharSize;
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uint8_t NumberOfPlanes;
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uint8_t BitsPerPixel;
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uint8_t NumberOfBanks;
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uint8_t MemoryModel;
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uint8_t BankSize;
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uint8_t NumberOfImagePages;
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uint8_t Reserved_page;
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/* Direct Color fields (required for direct/6 and YUV/7 memory models) */
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uint8_t RedMaskSize;
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uint8_t RedFieldPosition;
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uint8_t GreenMaskSize;
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uint8_t GreenFieldPosition;
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uint8_t BlueMaskSize;
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uint8_t BlueFieldPosition;
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uint8_t RsvdMaskSize;
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uint8_t RsvdFieldPosition;
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uint8_t DirectColorModeInfo;
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/* Mandatory information for VBE 2.0 and above */
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uint32_t PhysBasePtr;
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uint32_t OffScreenMemOffset;
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uint16_t OffScreenMemSize;
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/* Mandatory information for VBE 3.0 and above */
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uint16_t LinBytesPerScanLine;
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uint8_t BnkNumberOfPages;
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uint8_t LinNumberOfPages;
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uint8_t LinRedMaskSize;
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uint8_t LinRedFieldPosition;
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uint8_t LinGreenMaskSize;
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uint8_t LinGreenFieldPosition;
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uint8_t LinBlueMaskSize;
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uint8_t LinBlueFieldPosition;
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uint8_t LinRsvdMaskSize;
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uint8_t LinRsvdFieldPosition;
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uint32_t MaxPixelClock;
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} ModeInfoBlockCompact;
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#pragma pack()
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typedef struct ModeInfoListItem
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{
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uint16_t mode;
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ModeInfoBlockCompact info;
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} ModeInfoListItem;
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#endif /* !VBOX_INCLUDED_Graphics_VBoxVideoVBEPrivate_h */
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