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| 2 | #ifndef VBOX_INCLUDED_SRC_Graphics_BIOS_vbe_h
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| 3 | #define VBOX_INCLUDED_SRC_Graphics_BIOS_vbe_h
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| 4 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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| 5 | # pragma once
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| 6 | #endif
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| 7 |
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| 8 | #include "vgabios.h"
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| 9 |
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| 10 | #include <VBoxVideoVBE.h>
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| 11 | #include <VBoxVideoVBEPrivate.h>
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| 12 |
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| 13 | // DISPI helper function
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| 14 | //void dispi_set_enable(Boolean enable);
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| 15 |
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| 16 | /** VBE int10 API
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| 17 | *
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| 18 | * See the function descriptions in vbe.c for more information
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| 19 | */
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| 20 |
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| 21 | /* Far pointer for VBE info block usage. */
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| 22 | typedef union vbe_ptr {
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| 23 | uint32_t Ptr32;
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| 24 | void __far *Ptr;
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| 25 | union {
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| 26 | uint16_t Off;
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| 27 | uint16_t Seg;
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| 28 | };
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| 29 | } vbe_ptr;
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| 30 |
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| 31 | // The official VBE Information Block
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| 32 | typedef struct VbeInfoBlock
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| 33 | {
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| 34 | union {
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| 35 | uint8_t SigChr[4];
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| 36 | uint32_t Sig32;
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| 37 | } VbeSignature;
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| 38 | uint16_t VbeVersion;
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| 39 | vbe_ptr OemString;
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| 40 | uint8_t Capabilities[4];
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| 41 | uint16_t VideoModePtr_Off;
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| 42 | uint16_t VideoModePtr_Seg;
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| 43 | uint16_t TotalMemory;
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| 44 | uint16_t OemSoftwareRev;
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| 45 | vbe_ptr OemVendorName;
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| 46 | vbe_ptr OemProductName;
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| 47 | vbe_ptr OemProductRev;
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| 48 | uint16_t Reserved[111]; // used for dynamically generated mode list
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| 49 | uint8_t OemData[256];
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| 50 | } VbeInfoBlock;
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| 51 |
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| 52 |
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| 53 | typedef struct ModeInfoBlock
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| 54 | {
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| 55 | // Mandatory information for all VBE revisions
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| 56 | uint16_t ModeAttributes;
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| 57 | uint8_t WinAAttributes;
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| 58 | uint8_t WinBAttributes;
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| 59 | uint16_t WinGranularity;
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| 60 | uint16_t WinSize;
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| 61 | uint16_t WinASegment;
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| 62 | uint16_t WinBSegment;
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| 63 | uint32_t WinFuncPtr;
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| 64 | uint16_t BytesPerScanLine;
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| 65 | // Mandatory information for VBE 1.2 and above
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| 66 | uint16_t XResolution;
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| 67 | uint16_t YResolution;
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| 68 | uint8_t XCharSize;
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| 69 | uint8_t YCharSize;
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| 70 | uint8_t NumberOfPlanes;
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| 71 | uint8_t BitsPerPixel;
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| 72 | uint8_t NumberOfBanks;
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| 73 | uint8_t MemoryModel;
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| 74 | uint8_t BankSize;
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| 75 | uint8_t NumberOfImagePages;
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| 76 | uint8_t Reserved_page;
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| 77 | // Direct Color fields (required for direct/6 and YUV/7 memory models)
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| 78 | uint8_t RedMaskSize;
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| 79 | uint8_t RedFieldPosition;
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| 80 | uint8_t GreenMaskSize;
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| 81 | uint8_t GreenFieldPosition;
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| 82 | uint8_t BlueMaskSize;
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| 83 | uint8_t BlueFieldPosition;
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| 84 | uint8_t RsvdMaskSize;
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| 85 | uint8_t RsvdFieldPosition;
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| 86 | uint8_t DirectColorModeInfo;
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| 87 | // Mandatory information for VBE 2.0 and above
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| 88 | uint32_t PhysBasePtr;
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| 89 | uint32_t OffScreenMemOffset;
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| 90 | uint16_t OffScreenMemSize;
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| 91 | // Mandatory information for VBE 3.0 and above
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| 92 | uint16_t LinBytesPerScanLine;
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| 93 | uint8_t BnkNumberOfPages;
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| 94 | uint8_t LinNumberOfPages;
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| 95 | uint8_t LinRedMaskSize;
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| 96 | uint8_t LinRedFieldPosition;
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| 97 | uint8_t LinGreenMaskSize;
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| 98 | uint8_t LinGreenFieldPosition;
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| 99 | uint8_t LinBlueMaskSize;
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| 100 | uint8_t LinBlueFieldPosition;
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| 101 | uint8_t LinRsvdMaskSize;
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| 102 | uint8_t LinRsvdFieldPosition;
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| 103 | uint32_t MaxPixelClock;
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| 104 | uint8_t Reserved[189];
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| 105 | } ModeInfoBlock;
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| 106 |
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| 107 | // VBE Return Status Info
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| 108 | // AL
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| 109 | #define VBE_RETURN_STATUS_SUPPORTED 0x4F
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| 110 | #define VBE_RETURN_STATUS_UNSUPPORTED 0x00
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| 111 | // AH
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| 112 | #define VBE_RETURN_STATUS_SUCCESSFULL 0x00
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| 113 | #define VBE_RETURN_STATUS_FAILED 0x01
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| 114 | #define VBE_RETURN_STATUS_NOT_SUPPORTED 0x02
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| 115 | #define VBE_RETURN_STATUS_INVALID 0x03
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| 116 |
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| 117 | #endif /* !VBOX_INCLUDED_SRC_Graphics_BIOS_vbe_h */
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