#ifndef vbe_h_included #define vbe_h_included #include "vgabios.h" #include // DISPI helper function //void dispi_set_enable(Boolean enable); /** VBE int10 API * * See the function descriptions in vbe.c for more information */ /* Far pointer for VBE info block usage. */ typedef union vbe_ptr { uint32_t Ptr32; void __far *Ptr; union { uint16_t Off; uint16_t Seg; }; } vbe_ptr; // The official VBE Information Block typedef struct VbeInfoBlock { union { uint8_t SigChr[4]; uint32_t Sig32; } VbeSignature; uint16_t VbeVersion; vbe_ptr OemString; uint8_t Capabilities[4]; uint16_t VideoModePtr_Off; uint16_t VideoModePtr_Seg; uint16_t TotalMemory; uint16_t OemSoftwareRev; vbe_ptr OemVendorName; vbe_ptr OemProductName; vbe_ptr OemProductRev; uint16_t Reserved[111]; // used for dynamically generated mode list uint8_t OemData[256]; } VbeInfoBlock; // This one is for compactly storing a static list of mode info blocks // this saves us 189 bytes per block typedef struct ModeInfoBlockCompact { // Mandatory information for all VBE revisions uint16_t ModeAttributes; uint8_t WinAAttributes; uint8_t WinBAttributes; uint16_t WinGranularity; uint16_t WinSize; uint16_t WinASegment; uint16_t WinBSegment; uint32_t WinFuncPtr; uint16_t BytesPerScanLine; // Mandatory information for VBE 1.2 and above uint16_t XResolution; uint16_t YResolution; uint8_t XCharSize; uint8_t YCharSize; uint8_t NumberOfPlanes; uint8_t BitsPerPixel; uint8_t NumberOfBanks; uint8_t MemoryModel; uint8_t BankSize; uint8_t NumberOfImagePages; uint8_t Reserved_page; // Direct Color fields (required for direct/6 and YUV/7 memory models) uint8_t RedMaskSize; uint8_t RedFieldPosition; uint8_t GreenMaskSize; uint8_t GreenFieldPosition; uint8_t BlueMaskSize; uint8_t BlueFieldPosition; uint8_t RsvdMaskSize; uint8_t RsvdFieldPosition; uint8_t DirectColorModeInfo; // Mandatory information for VBE 2.0 and above uint32_t PhysBasePtr; uint32_t OffScreenMemOffset; uint16_t OffScreenMemSize; // Mandatory information for VBE 3.0 and above uint16_t LinBytesPerScanLine; uint8_t BnkNumberOfPages; uint8_t LinNumberOfPages; uint8_t LinRedMaskSize; uint8_t LinRedFieldPosition; uint8_t LinGreenMaskSize; uint8_t LinGreenFieldPosition; uint8_t LinBlueMaskSize; uint8_t LinBlueFieldPosition; uint8_t LinRsvdMaskSize; uint8_t LinRsvdFieldPosition; uint32_t MaxPixelClock; // uint8_t Reserved[189]; // DO NOT PUT THIS IN HERE because of Compact Mode Info storage in bios } ModeInfoBlockCompact; typedef struct ModeInfoBlock { // Mandatory information for all VBE revisions uint16_t ModeAttributes; uint8_t WinAAttributes; uint8_t WinBAttributes; uint16_t WinGranularity; uint16_t WinSize; uint16_t WinASegment; uint16_t WinBSegment; uint32_t WinFuncPtr; uint16_t BytesPerScanLine; // Mandatory information for VBE 1.2 and above uint16_t XResolution; uint16_t YResolution; uint8_t XCharSize; uint8_t YCharSize; uint8_t NumberOfPlanes; uint8_t BitsPerPixel; uint8_t NumberOfBanks; uint8_t MemoryModel; uint8_t BankSize; uint8_t NumberOfImagePages; uint8_t Reserved_page; // Direct Color fields (required for direct/6 and YUV/7 memory models) uint8_t RedMaskSize; uint8_t RedFieldPosition; uint8_t GreenMaskSize; uint8_t GreenFieldPosition; uint8_t BlueMaskSize; uint8_t BlueFieldPosition; uint8_t RsvdMaskSize; uint8_t RsvdFieldPosition; uint8_t DirectColorModeInfo; // Mandatory information for VBE 2.0 and above uint32_t PhysBasePtr; uint32_t OffScreenMemOffset; uint16_t OffScreenMemSize; // Mandatory information for VBE 3.0 and above uint16_t LinBytesPerScanLine; uint8_t BnkNumberOfPages; uint8_t LinNumberOfPages; uint8_t LinRedMaskSize; uint8_t LinRedFieldPosition; uint8_t LinGreenMaskSize; uint8_t LinGreenFieldPosition; uint8_t LinBlueMaskSize; uint8_t LinBlueFieldPosition; uint8_t LinRsvdMaskSize; uint8_t LinRsvdFieldPosition; uint32_t MaxPixelClock; uint8_t Reserved[189]; } ModeInfoBlock; typedef struct ModeInfoListItem { uint16_t mode; ModeInfoBlockCompact info; } ModeInfoListItem; // VBE Return Status Info // AL #define VBE_RETURN_STATUS_SUPPORTED 0x4F #define VBE_RETURN_STATUS_UNSUPPORTED 0x00 // AH #define VBE_RETURN_STATUS_SUCCESSFULL 0x00 #define VBE_RETURN_STATUS_FAILED 0x01 #define VBE_RETURN_STATUS_NOT_SUPPORTED 0x02 #define VBE_RETURN_STATUS_INVALID 0x03 // VBE Mode Numbers #define VBE_MODE_VESA_DEFINED 0x0100 #define VBE_MODE_REFRESH_RATE_USE_CRTC 0x0800 #define VBE_MODE_LINEAR_FRAME_BUFFER 0x4000 #define VBE_MODE_PRESERVE_DISPLAY_MEMORY 0x8000 // VBE GFX Mode Number #define VBE_VESA_MODE_640X400X8 0x100 #define VBE_VESA_MODE_640X480X8 0x101 #define VBE_VESA_MODE_800X600X4 0x102 #define VBE_VESA_MODE_800X600X8 0x103 #define VBE_VESA_MODE_1024X768X4 0x104 #define VBE_VESA_MODE_1024X768X8 0x105 #define VBE_VESA_MODE_1280X1024X4 0x106 #define VBE_VESA_MODE_1280X1024X8 0x107 #define VBE_VESA_MODE_320X200X1555 0x10D #define VBE_VESA_MODE_320X200X565 0x10E #define VBE_VESA_MODE_320X200X888 0x10F #define VBE_VESA_MODE_640X480X1555 0x110 #define VBE_VESA_MODE_640X480X565 0x111 #define VBE_VESA_MODE_640X480X888 0x112 #define VBE_VESA_MODE_800X600X1555 0x113 #define VBE_VESA_MODE_800X600X565 0x114 #define VBE_VESA_MODE_800X600X888 0x115 #define VBE_VESA_MODE_1024X768X1555 0x116 #define VBE_VESA_MODE_1024X768X565 0x117 #define VBE_VESA_MODE_1024X768X888 0x118 #define VBE_VESA_MODE_1280X1024X1555 0x119 #define VBE_VESA_MODE_1280X1024X565 0x11A #define VBE_VESA_MODE_1280X1024X888 0x11B #define VBE_VESA_MODE_1600X1200X8 0x11C #define VBE_VESA_MODE_1600X1200X1555 0x11D #define VBE_VESA_MODE_1600X1200X565 0x11E #define VBE_VESA_MODE_1600X1200X888 0x11F // BOCHS/PLEX86 'own' mode numbers #define VBE_OWN_MODE_320X200X8888 0x140 #define VBE_OWN_MODE_640X400X8888 0x141 #define VBE_OWN_MODE_640X480X8888 0x142 #define VBE_OWN_MODE_800X600X8888 0x143 #define VBE_OWN_MODE_1024X768X8888 0x144 #define VBE_OWN_MODE_1280X1024X8888 0x145 #define VBE_OWN_MODE_320X200X8 0x146 #define VBE_OWN_MODE_1600X1200X8888 0x147 #define VBE_OWN_MODE_1152X864X8 0x148 #define VBE_OWN_MODE_1152X864X1555 0x149 #define VBE_OWN_MODE_1152X864X565 0x14a #define VBE_OWN_MODE_1152X864X888 0x14b #define VBE_OWN_MODE_1152X864X8888 0x14c #define VBE_VESA_MODE_END_OF_LIST 0xFFFF // Capabilities #define VBE_CAPABILITY_8BIT_DAC 0x0001 #define VBE_CAPABILITY_NOT_VGA_COMPATIBLE 0x0002 #define VBE_CAPABILITY_RAMDAC_USE_BLANK_BIT 0x0004 #define VBE_CAPABILITY_STEREOSCOPIC_SUPPORT 0x0008 #define VBE_CAPABILITY_STEREO_VIA_VESA_EVC 0x0010 // Mode Attributes #define VBE_MODE_ATTRIBUTE_SUPPORTED 0x0001 #define VBE_MODE_ATTRIBUTE_EXTENDED_INFORMATION_AVAILABLE 0x0002 #define VBE_MODE_ATTRIBUTE_TTY_BIOS_SUPPORT 0x0004 #define VBE_MODE_ATTRIBUTE_COLOR_MODE 0x0008 #define VBE_MODE_ATTRIBUTE_GRAPHICS_MODE 0x0010 #define VBE_MODE_ATTRIBUTE_NOT_VGA_COMPATIBLE 0x0020 #define VBE_MODE_ATTRIBUTE_NO_VGA_COMPATIBLE_WINDOW 0x0040 #define VBE_MODE_ATTRIBUTE_LINEAR_FRAME_BUFFER_MODE 0x0080 #define VBE_MODE_ATTRIBUTE_DOUBLE_SCAN_MODE 0x0100 #define VBE_MODE_ATTRIBUTE_INTERLACE_MODE 0x0200 #define VBE_MODE_ATTRIBUTE_HARDWARE_TRIPLE_BUFFER 0x0400 #define VBE_MODE_ATTRIBUTE_HARDWARE_STEREOSCOPIC_DISPLAY 0x0800 #define VBE_MODE_ATTRIBUTE_DUAL_DISPLAY_START_ADDRESS 0x1000 #define VBE_MODE_ATTTRIBUTE_LFB_ONLY ( VBE_MODE_ATTRIBUTE_NO_VGA_COMPATIBLE_WINDOW | VBE_MODE_ATTRIBUTE_LINEAR_FRAME_BUFFER_MODE ) // Window attributes #define VBE_WINDOW_ATTRIBUTE_RELOCATABLE 0x01 #define VBE_WINDOW_ATTRIBUTE_READABLE 0x02 #define VBE_WINDOW_ATTRIBUTE_WRITEABLE 0x04 // Memory model #define VBE_MEMORYMODEL_TEXT_MODE 0x00 #define VBE_MEMORYMODEL_CGA_GRAPHICS 0x01 #define VBE_MEMORYMODEL_HERCULES_GRAPHICS 0x02 #define VBE_MEMORYMODEL_PLANAR 0x03 #define VBE_MEMORYMODEL_PACKED_PIXEL 0x04 #define VBE_MEMORYMODEL_NON_CHAIN_4_256 0x05 #define VBE_MEMORYMODEL_DIRECT_COLOR 0x06 #define VBE_MEMORYMODEL_YUV 0x07 // DirectColorModeInfo #define VBE_DIRECTCOLOR_COLOR_RAMP_PROGRAMMABLE 0x01 #define VBE_DIRECTCOLOR_RESERVED_BITS_AVAILABLE 0x02 /** * VBE Bios Extra Data structure. * @remark duplicated in DevVGA.h. */ typedef struct VBEHeader { /** Signature (VBEHEADER_MAGIC). */ uint16_t u16Signature; /** Data size. */ uint16_t cbData; } VBEHeader; /** The value of the VBEHEADER::u16Signature field. * @remark duplicated in DevVGA.h. */ #define VBEHEADER_MAGIC 0x77CC /** The extra port which is used to read the mode list. * @remark duplicated in DevVGA.h. */ #define VBE_EXTRA_PORT 0x3b6 /** The extra port which is used for debug printf. * @remark duplicated in DevVGA.h. */ #define VBE_PRINTF_PORT 0x3b7 #endif