| 1 | /** @file
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| 2 | * VirtualBox graphics card definitions, private interface for firmware
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| 3 | */
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| 4 |
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| 5 | /*
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| 6 | * Copyright (C) 2006-2024 Oracle and/or its affiliates.
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| 7 | *
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| 8 | * Permission is hereby granted, free of charge, to any person
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| 9 | * obtaining a copy of this software and associated documentation
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| 10 | * files (the "Software"), to deal in the Software without
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| 11 | * restriction, including without limitation the rights to use,
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| 12 | * copy, modify, merge, publish, distribute, sublicense, and/or sell
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| 13 | * copies of the Software, and to permit persons to whom the
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| 14 | * Software is furnished to do so, subject to the following
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| 15 | * conditions:
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| 16 | *
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| 17 | * The above copyright notice and this permission notice shall be
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| 18 | * included in all copies or substantial portions of the Software.
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| 19 | *
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| 20 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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| 21 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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| 22 | * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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| 23 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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| 24 | * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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| 25 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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| 26 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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| 27 | * OTHER DEALINGS IN THE SOFTWARE.
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| 28 | */
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| 29 |
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| 30 | #ifndef VBOX_INCLUDED_Graphics_VBoxVideoVBEPrivate_h
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| 31 | #define VBOX_INCLUDED_Graphics_VBoxVideoVBEPrivate_h
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| 32 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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| 33 | # pragma once
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| 34 | #endif
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| 35 |
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| 36 | #ifdef VBE
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| 37 | # include <stdint.h>
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| 38 | #else
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| 39 | # include <iprt/types.h>
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| 40 | #endif
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| 41 |
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| 42 | /* VBE Mode Numbers */
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| 43 | #define VBE_MODE_VESA_DEFINED 0x0100
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| 44 | #define VBE_MODE_REFRESH_RATE_USE_CRTC 0x0800
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| 45 | #define VBE_MODE_LINEAR_FRAME_BUFFER 0x4000
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| 46 | #define VBE_MODE_PRESERVE_DISPLAY_MEMORY 0x8000
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| 47 |
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| 48 | /* VBE GFX Mode Number */
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| 49 | #define VBE_VESA_MODE_640X400X8 0x100
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| 50 | #define VBE_VESA_MODE_640X480X8 0x101
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| 51 | #define VBE_VESA_MODE_800X600X4 0x102
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| 52 | #define VBE_VESA_MODE_800X600X8 0x103
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| 53 | #define VBE_VESA_MODE_1024X768X4 0x104
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| 54 | #define VBE_VESA_MODE_1024X768X8 0x105
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| 55 | #define VBE_VESA_MODE_1280X1024X4 0x106
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| 56 | #define VBE_VESA_MODE_1280X1024X8 0x107
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| 57 | #define VBE_VESA_MODE_320X200X1555 0x10D
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| 58 | #define VBE_VESA_MODE_320X200X565 0x10E
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| 59 | #define VBE_VESA_MODE_320X200X888 0x10F
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| 60 | #define VBE_VESA_MODE_640X480X1555 0x110
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| 61 | #define VBE_VESA_MODE_640X480X565 0x111
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| 62 | #define VBE_VESA_MODE_640X480X888 0x112
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| 63 | #define VBE_VESA_MODE_800X600X1555 0x113
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| 64 | #define VBE_VESA_MODE_800X600X565 0x114
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| 65 | #define VBE_VESA_MODE_800X600X888 0x115
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| 66 | #define VBE_VESA_MODE_1024X768X1555 0x116
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| 67 | #define VBE_VESA_MODE_1024X768X565 0x117
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| 68 | #define VBE_VESA_MODE_1024X768X888 0x118
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| 69 | #define VBE_VESA_MODE_1280X1024X1555 0x119
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| 70 | #define VBE_VESA_MODE_1280X1024X565 0x11A
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| 71 | #define VBE_VESA_MODE_1280X1024X888 0x11B
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| 72 | #define VBE_VESA_MODE_1600X1200X8 0x11C
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| 73 | #define VBE_VESA_MODE_1600X1200X1555 0x11D
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| 74 | #define VBE_VESA_MODE_1600X1200X565 0x11E
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| 75 | #define VBE_VESA_MODE_1600X1200X888 0x11F
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| 76 |
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| 77 | /* BOCHS/PLEX86 'own' mode numbers */
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| 78 | #define VBE_OWN_MODE_320X200X8888 0x140
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| 79 | #define VBE_OWN_MODE_640X400X8888 0x141
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| 80 | #define VBE_OWN_MODE_640X480X8888 0x142
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| 81 | #define VBE_OWN_MODE_800X600X8888 0x143
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| 82 | #define VBE_OWN_MODE_1024X768X8888 0x144
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| 83 | #define VBE_OWN_MODE_1280X1024X8888 0x145
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| 84 | #define VBE_OWN_MODE_320X200X8 0x146
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| 85 | #define VBE_OWN_MODE_1600X1200X8888 0x147
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| 86 | #define VBE_OWN_MODE_1152X864X8 0x148
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| 87 | #define VBE_OWN_MODE_1152X864X1555 0x149
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| 88 | #define VBE_OWN_MODE_1152X864X565 0x14a
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| 89 | #define VBE_OWN_MODE_1152X864X888 0x14b
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| 90 | #define VBE_OWN_MODE_1152X864X8888 0x14c
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| 91 |
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| 92 | /* VirtualBox 'own' mode numbers */
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| 93 | #define VBE_VBOX_MODE_CUSTOM1 0x160
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| 94 | #define VBE_VBOX_MODE_CUSTOM2 0x161
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| 95 | #define VBE_VBOX_MODE_CUSTOM3 0x162
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| 96 | #define VBE_VBOX_MODE_CUSTOM4 0x163
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| 97 | #define VBE_VBOX_MODE_CUSTOM5 0x164
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| 98 | #define VBE_VBOX_MODE_CUSTOM6 0x165
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| 99 | #define VBE_VBOX_MODE_CUSTOM7 0x166
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| 100 | #define VBE_VBOX_MODE_CUSTOM8 0x167
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| 101 | #define VBE_VBOX_MODE_CUSTOM9 0x168
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| 102 | #define VBE_VBOX_MODE_CUSTOM10 0x169
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| 103 | #define VBE_VBOX_MODE_CUSTOM11 0x16a
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| 104 | #define VBE_VBOX_MODE_CUSTOM12 0x16b
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| 105 | #define VBE_VBOX_MODE_CUSTOM13 0x16c
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| 106 | #define VBE_VBOX_MODE_CUSTOM14 0x16d
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| 107 | #define VBE_VBOX_MODE_CUSTOM15 0x16e
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| 108 | #define VBE_VBOX_MODE_CUSTOM16 0x16f
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| 109 |
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| 110 | #define VBE_VESA_MODE_END_OF_LIST 0xFFFF
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| 111 |
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| 112 | /* Capabilities */
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| 113 | #define VBE_CAPABILITY_8BIT_DAC 0x0001
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| 114 | #define VBE_CAPABILITY_NOT_VGA_COMPATIBLE 0x0002
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| 115 | #define VBE_CAPABILITY_RAMDAC_USE_BLANK_BIT 0x0004
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| 116 | #define VBE_CAPABILITY_STEREOSCOPIC_SUPPORT 0x0008
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| 117 | #define VBE_CAPABILITY_STEREO_VIA_VESA_EVC 0x0010
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| 118 |
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| 119 | /* Mode Attributes */
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| 120 | #define VBE_MODE_ATTRIBUTE_SUPPORTED 0x0001
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| 121 | #define VBE_MODE_ATTRIBUTE_EXTENDED_INFORMATION_AVAILABLE 0x0002
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| 122 | #define VBE_MODE_ATTRIBUTE_TTY_BIOS_SUPPORT 0x0004
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| 123 | #define VBE_MODE_ATTRIBUTE_COLOR_MODE 0x0008
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| 124 | #define VBE_MODE_ATTRIBUTE_GRAPHICS_MODE 0x0010
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| 125 | #define VBE_MODE_ATTRIBUTE_NOT_VGA_COMPATIBLE 0x0020
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| 126 | #define VBE_MODE_ATTRIBUTE_NO_VGA_COMPATIBLE_WINDOW 0x0040
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| 127 | #define VBE_MODE_ATTRIBUTE_LINEAR_FRAME_BUFFER_MODE 0x0080
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| 128 | #define VBE_MODE_ATTRIBUTE_DOUBLE_SCAN_MODE 0x0100
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| 129 | #define VBE_MODE_ATTRIBUTE_INTERLACE_MODE 0x0200
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| 130 | #define VBE_MODE_ATTRIBUTE_HARDWARE_TRIPLE_BUFFER 0x0400
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| 131 | #define VBE_MODE_ATTRIBUTE_HARDWARE_STEREOSCOPIC_DISPLAY 0x0800
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| 132 | #define VBE_MODE_ATTRIBUTE_DUAL_DISPLAY_START_ADDRESS 0x1000
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| 133 |
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| 134 | #define VBE_MODE_ATTTRIBUTE_LFB_ONLY ( VBE_MODE_ATTRIBUTE_NO_VGA_COMPATIBLE_WINDOW | VBE_MODE_ATTRIBUTE_LINEAR_FRAME_BUFFER_MODE )
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| 135 |
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| 136 | /* Window attributes */
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| 137 | #define VBE_WINDOW_ATTRIBUTE_RELOCATABLE 0x01
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| 138 | #define VBE_WINDOW_ATTRIBUTE_READABLE 0x02
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| 139 | #define VBE_WINDOW_ATTRIBUTE_WRITEABLE 0x04
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| 140 |
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| 141 | /* Memory model */
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| 142 | #define VBE_MEMORYMODEL_TEXT_MODE 0x00
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| 143 | #define VBE_MEMORYMODEL_CGA_GRAPHICS 0x01
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| 144 | #define VBE_MEMORYMODEL_HERCULES_GRAPHICS 0x02
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| 145 | #define VBE_MEMORYMODEL_PLANAR 0x03
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| 146 | #define VBE_MEMORYMODEL_PACKED_PIXEL 0x04
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| 147 | #define VBE_MEMORYMODEL_NON_CHAIN_4_256 0x05
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| 148 | #define VBE_MEMORYMODEL_DIRECT_COLOR 0x06
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| 149 | #define VBE_MEMORYMODEL_YUV 0x07
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| 150 |
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| 151 | /* DirectColorModeInfo */
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| 152 | #define VBE_DIRECTCOLOR_COLOR_RAMP_PROGRAMMABLE 0x01
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| 153 | #define VBE_DIRECTCOLOR_RESERVED_BITS_AVAILABLE 0x02
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| 154 |
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| 155 | /* Video memory */
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| 156 | #define VGAMEM_GRAPH 0xA000
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| 157 |
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| 158 | /**
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| 159 | * VBE Bios Extra Data structure.
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| 160 | */
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| 161 | typedef struct VBEHeader
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| 162 | {
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| 163 | /** Signature (VBEHEADER_MAGIC). */
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| 164 | uint16_t u16Signature;
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| 165 | /** Data size. */
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| 166 | uint16_t cbData;
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| 167 | } VBEHeader;
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| 168 |
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| 169 | /** The value of the VBEHeader::u16Signature field. */
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| 170 | #define VBEHEADER_MAGIC 0x77CC
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| 171 |
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| 172 | /** The extra port which is used to read the mode list. */
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| 173 | #define VBE_EXTRA_PORT 0x3b6
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| 174 |
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| 175 | /** The extra port which is used for debug printf. */
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| 176 | #define VBE_PRINTF_PORT 0x3b7
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| 177 |
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| 178 | /**
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| 179 | * This one is for compactly storing a list of mode info blocks
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| 180 | */
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| 181 | #pragma pack(1) /* pack(1) is important! (you'll get a byte extra for each of the u8 fields elsewise...)
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| 182 | * bird: Load of non-sense. You'll get two extra bytes before MaxPixelClock if you don't pack it. */
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| 183 | typedef struct ModeInfoBlockCompact
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| 184 | {
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| 185 | /* Mandatory information for all VBE revisions */
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| 186 | uint16_t ModeAttributes;
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| 187 | uint8_t WinAAttributes;
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| 188 | uint8_t WinBAttributes;
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| 189 | uint16_t WinGranularity;
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| 190 | uint16_t WinSize;
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| 191 | uint16_t WinASegment;
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| 192 | uint16_t WinBSegment;
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| 193 | uint32_t WinFuncPtr;
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| 194 | uint16_t BytesPerScanLine;
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| 195 | /* Mandatory information for VBE 1.2 and above */
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| 196 | uint16_t XResolution;
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| 197 | uint16_t YResolution;
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| 198 | uint8_t XCharSize;
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| 199 | uint8_t YCharSize;
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| 200 | uint8_t NumberOfPlanes;
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| 201 | uint8_t BitsPerPixel;
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| 202 | uint8_t NumberOfBanks;
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| 203 | uint8_t MemoryModel;
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| 204 | uint8_t BankSize;
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| 205 | uint8_t NumberOfImagePages;
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| 206 | uint8_t Reserved_page;
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| 207 | /* Direct Color fields (required for direct/6 and YUV/7 memory models) */
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| 208 | uint8_t RedMaskSize;
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| 209 | uint8_t RedFieldPosition;
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| 210 | uint8_t GreenMaskSize;
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| 211 | uint8_t GreenFieldPosition;
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| 212 | uint8_t BlueMaskSize;
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| 213 | uint8_t BlueFieldPosition;
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| 214 | uint8_t RsvdMaskSize;
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| 215 | uint8_t RsvdFieldPosition;
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| 216 | uint8_t DirectColorModeInfo;
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| 217 | /* Mandatory information for VBE 2.0 and above */
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| 218 | uint32_t PhysBasePtr;
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| 219 | uint32_t OffScreenMemOffset;
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| 220 | uint16_t OffScreenMemSize;
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| 221 | /* Mandatory information for VBE 3.0 and above */
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| 222 | uint16_t LinBytesPerScanLine;
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| 223 | uint8_t BnkNumberOfPages;
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| 224 | uint8_t LinNumberOfPages;
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| 225 | uint8_t LinRedMaskSize;
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| 226 | uint8_t LinRedFieldPosition;
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| 227 | uint8_t LinGreenMaskSize;
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| 228 | uint8_t LinGreenFieldPosition;
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| 229 | uint8_t LinBlueMaskSize;
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| 230 | uint8_t LinBlueFieldPosition;
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| 231 | uint8_t LinRsvdMaskSize;
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| 232 | uint8_t LinRsvdFieldPosition;
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| 233 | uint32_t MaxPixelClock;
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| 234 | } ModeInfoBlockCompact;
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| 235 | #pragma pack()
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| 236 |
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| 237 | typedef struct ModeInfoListItem
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| 238 | {
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| 239 | uint16_t mode;
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| 240 | ModeInfoBlockCompact info;
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| 241 | } ModeInfoListItem;
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| 242 |
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| 243 |
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| 244 | #endif /* !VBOX_INCLUDED_Graphics_VBoxVideoVBEPrivate_h */
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| 245 |
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