| 1 | #ifndef vbe_h_included
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| 2 | #define vbe_h_included
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| 3 |
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| 4 | #include "vgabios.h"
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| 5 |
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| 6 | #include <VBox/Hardware/VBoxVideoVBE.h>
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| 7 |
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| 8 | // DISPI helper function
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| 9 | //void dispi_set_enable(Boolean enable);
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| 10 |
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| 11 | /** VBE int10 API
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| 12 | *
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| 13 | * See the function descriptions in vbe.c for more information
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| 14 | */
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| 15 |
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| 16 | /* Far pointer for VBE info block usage. */
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| 17 | typedef union vbe_ptr {
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| 18 | uint32_t Ptr32;
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| 19 | void __far *Ptr;
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| 20 | union {
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| 21 | uint16_t Off;
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| 22 | uint16_t Seg;
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| 23 | };
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| 24 | } vbe_ptr;
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| 25 |
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| 26 | // The official VBE Information Block
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| 27 | typedef struct VbeInfoBlock
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| 28 | {
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| 29 | union {
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| 30 | uint8_t SigChr[4];
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| 31 | uint32_t Sig32;
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| 32 | } VbeSignature;
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| 33 | uint16_t VbeVersion;
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| 34 | vbe_ptr OemString;
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| 35 | uint8_t Capabilities[4];
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| 36 | uint16_t VideoModePtr_Off;
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| 37 | uint16_t VideoModePtr_Seg;
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| 38 | uint16_t TotalMemory;
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| 39 | uint16_t OemSoftwareRev;
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| 40 | vbe_ptr OemVendorName;
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| 41 | vbe_ptr OemProductName;
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| 42 | vbe_ptr OemProductRev;
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| 43 | uint16_t Reserved[111]; // used for dynamically generated mode list
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| 44 | uint8_t OemData[256];
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| 45 | } VbeInfoBlock;
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| 46 |
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| 47 |
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| 48 | // This one is for compactly storing a static list of mode info blocks
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| 49 | // this saves us 189 bytes per block
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| 50 | typedef struct ModeInfoBlockCompact
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| 51 | {
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| 52 | // Mandatory information for all VBE revisions
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| 53 | uint16_t ModeAttributes;
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| 54 | uint8_t WinAAttributes;
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| 55 | uint8_t WinBAttributes;
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| 56 | uint16_t WinGranularity;
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| 57 | uint16_t WinSize;
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| 58 | uint16_t WinASegment;
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| 59 | uint16_t WinBSegment;
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| 60 | uint32_t WinFuncPtr;
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| 61 | uint16_t BytesPerScanLine;
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| 62 | // Mandatory information for VBE 1.2 and above
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| 63 | uint16_t XResolution;
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| 64 | uint16_t YResolution;
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| 65 | uint8_t XCharSize;
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| 66 | uint8_t YCharSize;
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| 67 | uint8_t NumberOfPlanes;
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| 68 | uint8_t BitsPerPixel;
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| 69 | uint8_t NumberOfBanks;
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| 70 | uint8_t MemoryModel;
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| 71 | uint8_t BankSize;
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| 72 | uint8_t NumberOfImagePages;
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| 73 | uint8_t Reserved_page;
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| 74 | // Direct Color fields (required for direct/6 and YUV/7 memory models)
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| 75 | uint8_t RedMaskSize;
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| 76 | uint8_t RedFieldPosition;
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| 77 | uint8_t GreenMaskSize;
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| 78 | uint8_t GreenFieldPosition;
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| 79 | uint8_t BlueMaskSize;
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| 80 | uint8_t BlueFieldPosition;
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| 81 | uint8_t RsvdMaskSize;
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| 82 | uint8_t RsvdFieldPosition;
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| 83 | uint8_t DirectColorModeInfo;
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| 84 | // Mandatory information for VBE 2.0 and above
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| 85 | uint32_t PhysBasePtr;
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| 86 | uint32_t OffScreenMemOffset;
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| 87 | uint16_t OffScreenMemSize;
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| 88 | // Mandatory information for VBE 3.0 and above
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| 89 | uint16_t LinBytesPerScanLine;
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| 90 | uint8_t BnkNumberOfPages;
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| 91 | uint8_t LinNumberOfPages;
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| 92 | uint8_t LinRedMaskSize;
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| 93 | uint8_t LinRedFieldPosition;
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| 94 | uint8_t LinGreenMaskSize;
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| 95 | uint8_t LinGreenFieldPosition;
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| 96 | uint8_t LinBlueMaskSize;
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| 97 | uint8_t LinBlueFieldPosition;
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| 98 | uint8_t LinRsvdMaskSize;
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| 99 | uint8_t LinRsvdFieldPosition;
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| 100 | uint32_t MaxPixelClock;
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| 101 | // uint8_t Reserved[189]; // DO NOT PUT THIS IN HERE because of Compact Mode Info storage in bios
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| 102 | } ModeInfoBlockCompact;
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| 103 |
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| 104 | typedef struct ModeInfoBlock
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| 105 | {
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| 106 | // Mandatory information for all VBE revisions
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| 107 | uint16_t ModeAttributes;
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| 108 | uint8_t WinAAttributes;
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| 109 | uint8_t WinBAttributes;
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| 110 | uint16_t WinGranularity;
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| 111 | uint16_t WinSize;
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| 112 | uint16_t WinASegment;
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| 113 | uint16_t WinBSegment;
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| 114 | uint32_t WinFuncPtr;
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| 115 | uint16_t BytesPerScanLine;
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| 116 | // Mandatory information for VBE 1.2 and above
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| 117 | uint16_t XResolution;
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| 118 | uint16_t YResolution;
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| 119 | uint8_t XCharSize;
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| 120 | uint8_t YCharSize;
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| 121 | uint8_t NumberOfPlanes;
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| 122 | uint8_t BitsPerPixel;
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| 123 | uint8_t NumberOfBanks;
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| 124 | uint8_t MemoryModel;
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| 125 | uint8_t BankSize;
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| 126 | uint8_t NumberOfImagePages;
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| 127 | uint8_t Reserved_page;
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| 128 | // Direct Color fields (required for direct/6 and YUV/7 memory models)
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| 129 | uint8_t RedMaskSize;
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| 130 | uint8_t RedFieldPosition;
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| 131 | uint8_t GreenMaskSize;
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| 132 | uint8_t GreenFieldPosition;
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| 133 | uint8_t BlueMaskSize;
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| 134 | uint8_t BlueFieldPosition;
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| 135 | uint8_t RsvdMaskSize;
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| 136 | uint8_t RsvdFieldPosition;
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| 137 | uint8_t DirectColorModeInfo;
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| 138 | // Mandatory information for VBE 2.0 and above
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| 139 | uint32_t PhysBasePtr;
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| 140 | uint32_t OffScreenMemOffset;
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| 141 | uint16_t OffScreenMemSize;
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| 142 | // Mandatory information for VBE 3.0 and above
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| 143 | uint16_t LinBytesPerScanLine;
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| 144 | uint8_t BnkNumberOfPages;
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| 145 | uint8_t LinNumberOfPages;
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| 146 | uint8_t LinRedMaskSize;
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| 147 | uint8_t LinRedFieldPosition;
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| 148 | uint8_t LinGreenMaskSize;
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| 149 | uint8_t LinGreenFieldPosition;
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| 150 | uint8_t LinBlueMaskSize;
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| 151 | uint8_t LinBlueFieldPosition;
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| 152 | uint8_t LinRsvdMaskSize;
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| 153 | uint8_t LinRsvdFieldPosition;
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| 154 | uint32_t MaxPixelClock;
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| 155 | uint8_t Reserved[189];
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| 156 | } ModeInfoBlock;
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| 157 |
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| 158 | typedef struct ModeInfoListItem
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| 159 | {
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| 160 | uint16_t mode;
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| 161 | ModeInfoBlockCompact info;
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| 162 | } ModeInfoListItem;
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| 163 |
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| 164 | // VBE Return Status Info
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| 165 | // AL
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| 166 | #define VBE_RETURN_STATUS_SUPPORTED 0x4F
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| 167 | #define VBE_RETURN_STATUS_UNSUPPORTED 0x00
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| 168 | // AH
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| 169 | #define VBE_RETURN_STATUS_SUCCESSFULL 0x00
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| 170 | #define VBE_RETURN_STATUS_FAILED 0x01
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| 171 | #define VBE_RETURN_STATUS_NOT_SUPPORTED 0x02
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| 172 | #define VBE_RETURN_STATUS_INVALID 0x03
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| 173 |
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| 174 | // VBE Mode Numbers
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| 175 |
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| 176 | #define VBE_MODE_VESA_DEFINED 0x0100
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| 177 | #define VBE_MODE_REFRESH_RATE_USE_CRTC 0x0800
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| 178 | #define VBE_MODE_LINEAR_FRAME_BUFFER 0x4000
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| 179 | #define VBE_MODE_PRESERVE_DISPLAY_MEMORY 0x8000
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| 180 |
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| 181 | // VBE GFX Mode Number
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| 182 |
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| 183 | #define VBE_VESA_MODE_640X400X8 0x100
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| 184 | #define VBE_VESA_MODE_640X480X8 0x101
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| 185 | #define VBE_VESA_MODE_800X600X4 0x102
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| 186 | #define VBE_VESA_MODE_800X600X8 0x103
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| 187 | #define VBE_VESA_MODE_1024X768X4 0x104
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| 188 | #define VBE_VESA_MODE_1024X768X8 0x105
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| 189 | #define VBE_VESA_MODE_1280X1024X4 0x106
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| 190 | #define VBE_VESA_MODE_1280X1024X8 0x107
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| 191 | #define VBE_VESA_MODE_320X200X1555 0x10D
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| 192 | #define VBE_VESA_MODE_320X200X565 0x10E
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| 193 | #define VBE_VESA_MODE_320X200X888 0x10F
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| 194 | #define VBE_VESA_MODE_640X480X1555 0x110
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| 195 | #define VBE_VESA_MODE_640X480X565 0x111
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| 196 | #define VBE_VESA_MODE_640X480X888 0x112
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| 197 | #define VBE_VESA_MODE_800X600X1555 0x113
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| 198 | #define VBE_VESA_MODE_800X600X565 0x114
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| 199 | #define VBE_VESA_MODE_800X600X888 0x115
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| 200 | #define VBE_VESA_MODE_1024X768X1555 0x116
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| 201 | #define VBE_VESA_MODE_1024X768X565 0x117
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| 202 | #define VBE_VESA_MODE_1024X768X888 0x118
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| 203 | #define VBE_VESA_MODE_1280X1024X1555 0x119
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| 204 | #define VBE_VESA_MODE_1280X1024X565 0x11A
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| 205 | #define VBE_VESA_MODE_1280X1024X888 0x11B
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| 206 | #define VBE_VESA_MODE_1600X1200X8 0x11C
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| 207 | #define VBE_VESA_MODE_1600X1200X1555 0x11D
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| 208 | #define VBE_VESA_MODE_1600X1200X565 0x11E
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| 209 | #define VBE_VESA_MODE_1600X1200X888 0x11F
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| 210 |
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| 211 | // BOCHS/PLEX86 'own' mode numbers
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| 212 | #define VBE_OWN_MODE_320X200X8888 0x140
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| 213 | #define VBE_OWN_MODE_640X400X8888 0x141
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| 214 | #define VBE_OWN_MODE_640X480X8888 0x142
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| 215 | #define VBE_OWN_MODE_800X600X8888 0x143
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| 216 | #define VBE_OWN_MODE_1024X768X8888 0x144
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| 217 | #define VBE_OWN_MODE_1280X1024X8888 0x145
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| 218 | #define VBE_OWN_MODE_320X200X8 0x146
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| 219 | #define VBE_OWN_MODE_1600X1200X8888 0x147
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| 220 | #define VBE_OWN_MODE_1152X864X8 0x148
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| 221 | #define VBE_OWN_MODE_1152X864X1555 0x149
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| 222 | #define VBE_OWN_MODE_1152X864X565 0x14a
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| 223 | #define VBE_OWN_MODE_1152X864X888 0x14b
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| 224 | #define VBE_OWN_MODE_1152X864X8888 0x14c
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| 225 |
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| 226 | #define VBE_VESA_MODE_END_OF_LIST 0xFFFF
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| 227 |
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| 228 | // Capabilities
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| 229 |
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| 230 | #define VBE_CAPABILITY_8BIT_DAC 0x0001
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| 231 | #define VBE_CAPABILITY_NOT_VGA_COMPATIBLE 0x0002
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| 232 | #define VBE_CAPABILITY_RAMDAC_USE_BLANK_BIT 0x0004
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| 233 | #define VBE_CAPABILITY_STEREOSCOPIC_SUPPORT 0x0008
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| 234 | #define VBE_CAPABILITY_STEREO_VIA_VESA_EVC 0x0010
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| 235 |
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| 236 | // Mode Attributes
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| 237 |
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| 238 | #define VBE_MODE_ATTRIBUTE_SUPPORTED 0x0001
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| 239 | #define VBE_MODE_ATTRIBUTE_EXTENDED_INFORMATION_AVAILABLE 0x0002
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| 240 | #define VBE_MODE_ATTRIBUTE_TTY_BIOS_SUPPORT 0x0004
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| 241 | #define VBE_MODE_ATTRIBUTE_COLOR_MODE 0x0008
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| 242 | #define VBE_MODE_ATTRIBUTE_GRAPHICS_MODE 0x0010
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| 243 | #define VBE_MODE_ATTRIBUTE_NOT_VGA_COMPATIBLE 0x0020
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| 244 | #define VBE_MODE_ATTRIBUTE_NO_VGA_COMPATIBLE_WINDOW 0x0040
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| 245 | #define VBE_MODE_ATTRIBUTE_LINEAR_FRAME_BUFFER_MODE 0x0080
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| 246 | #define VBE_MODE_ATTRIBUTE_DOUBLE_SCAN_MODE 0x0100
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| 247 | #define VBE_MODE_ATTRIBUTE_INTERLACE_MODE 0x0200
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| 248 | #define VBE_MODE_ATTRIBUTE_HARDWARE_TRIPLE_BUFFER 0x0400
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| 249 | #define VBE_MODE_ATTRIBUTE_HARDWARE_STEREOSCOPIC_DISPLAY 0x0800
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| 250 | #define VBE_MODE_ATTRIBUTE_DUAL_DISPLAY_START_ADDRESS 0x1000
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| 251 |
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| 252 | #define VBE_MODE_ATTTRIBUTE_LFB_ONLY ( VBE_MODE_ATTRIBUTE_NO_VGA_COMPATIBLE_WINDOW | VBE_MODE_ATTRIBUTE_LINEAR_FRAME_BUFFER_MODE )
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| 253 |
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| 254 | // Window attributes
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| 255 |
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| 256 | #define VBE_WINDOW_ATTRIBUTE_RELOCATABLE 0x01
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| 257 | #define VBE_WINDOW_ATTRIBUTE_READABLE 0x02
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| 258 | #define VBE_WINDOW_ATTRIBUTE_WRITEABLE 0x04
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| 259 |
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| 260 | // Memory model
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| 261 |
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| 262 | #define VBE_MEMORYMODEL_TEXT_MODE 0x00
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| 263 | #define VBE_MEMORYMODEL_CGA_GRAPHICS 0x01
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| 264 | #define VBE_MEMORYMODEL_HERCULES_GRAPHICS 0x02
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| 265 | #define VBE_MEMORYMODEL_PLANAR 0x03
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| 266 | #define VBE_MEMORYMODEL_PACKED_PIXEL 0x04
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| 267 | #define VBE_MEMORYMODEL_NON_CHAIN_4_256 0x05
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| 268 | #define VBE_MEMORYMODEL_DIRECT_COLOR 0x06
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| 269 | #define VBE_MEMORYMODEL_YUV 0x07
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| 270 |
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| 271 | // DirectColorModeInfo
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| 272 |
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| 273 | #define VBE_DIRECTCOLOR_COLOR_RAMP_PROGRAMMABLE 0x01
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| 274 | #define VBE_DIRECTCOLOR_RESERVED_BITS_AVAILABLE 0x02
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| 275 |
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| 276 | /**
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| 277 | * VBE Bios Extra Data structure.
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| 278 | * @remark duplicated in DevVGA.h.
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| 279 | */
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| 280 | typedef struct VBEHeader
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| 281 | {
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| 282 | /** Signature (VBEHEADER_MAGIC). */
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| 283 | uint16_t u16Signature;
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| 284 | /** Data size. */
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| 285 | uint16_t cbData;
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| 286 | } VBEHeader;
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| 287 |
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| 288 | /** The value of the VBEHEADER::u16Signature field.
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| 289 | * @remark duplicated in DevVGA.h. */
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| 290 | #define VBEHEADER_MAGIC 0x77CC
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| 291 |
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| 292 | /** The extra port which is used to read the mode list.
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| 293 | * @remark duplicated in DevVGA.h. */
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| 294 | #define VBE_EXTRA_PORT 0x3b6
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| 295 |
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| 296 | /** The extra port which is used for debug printf.
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| 297 | * @remark duplicated in DevVGA.h. */
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| 298 | #define VBE_PRINTF_PORT 0x3b7
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| 299 |
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| 300 | #endif
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