#ifndef vbe_h_included #define vbe_h_included #include "vgabios.h" #include // DISPI helper function void dispi_set_enable(enable); /** VBE int10 API * * See the function descriptions in vbe.c for more information */ Boolean vbe_has_vbe_display(); void vbe_biosfn_return_controller_information(AX, ES, DI); void vbe_biosfn_return_mode_information(AX, CX, ES, DI); void vbe_biosfn_set_mode(AX, BX, ES, DI); void vbe_biosfn_save_restore_state(AX, CX, DX, ES, BX); void vbe_biosfn_return_protected_mode_interface(AX); // The official VBE Information Block typedef struct VbeInfoBlock { Bit8u VbeSignature[4]; Bit16u VbeVersion; Bit16u OemStringPtr_Off; Bit16u OemStringPtr_Seg; Bit8u Capabilities[4]; Bit16u VideoModePtr_Off; Bit16u VideoModePtr_Seg; Bit16u TotalMemory; Bit16u OemSoftwareRev; Bit16u OemVendorNamePtr_Off; Bit16u OemVendorNamePtr_Seg; Bit16u OemProductNamePtr_Off; Bit16u OemProductNamePtr_Seg; Bit16u OemProductRevPtr_Off; Bit16u OemProductRevPtr_Seg; Bit16u Reserved[111]; // used for dynamicly generated mode list Bit8u 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 Bit16u ModeAttributes; Bit8u WinAAttributes; Bit8u WinBAttributes; Bit16u WinGranularity; Bit16u WinSize; Bit16u WinASegment; Bit16u WinBSegment; Bit32u WinFuncPtr; Bit16u BytesPerScanLine; // Mandatory information for VBE 1.2 and above Bit16u XResolution; Bit16u YResolution; Bit8u XCharSize; Bit8u YCharSize; Bit8u NumberOfPlanes; Bit8u BitsPerPixel; Bit8u NumberOfBanks; Bit8u MemoryModel; Bit8u BankSize; Bit8u NumberOfImagePages; Bit8u Reserved_page; // Direct Color fields (required for direct/6 and YUV/7 memory models) Bit8u RedMaskSize; Bit8u RedFieldPosition; Bit8u GreenMaskSize; Bit8u GreenFieldPosition; Bit8u BlueMaskSize; Bit8u BlueFieldPosition; Bit8u RsvdMaskSize; Bit8u RsvdFieldPosition; Bit8u DirectColorModeInfo; // Mandatory information for VBE 2.0 and above Bit32u PhysBasePtr; Bit32u OffScreenMemOffset; Bit16u OffScreenMemSize; // Mandatory information for VBE 3.0 and above Bit16u LinBytesPerScanLine; Bit8u BnkNumberOfPages; Bit8u LinNumberOfPages; Bit8u LinRedMaskSize; Bit8u LinRedFieldPosition; Bit8u LinGreenMaskSize; Bit8u LinGreenFieldPosition; Bit8u LinBlueMaskSize; Bit8u LinBlueFieldPosition; Bit8u LinRsvdMaskSize; Bit8u LinRsvdFieldPosition; Bit32u MaxPixelClock; // Bit8u 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 Bit16u ModeAttributes; Bit8u WinAAttributes; Bit8u WinBAttributes; Bit16u WinGranularity; Bit16u WinSize; Bit16u WinASegment; Bit16u WinBSegment; Bit32u WinFuncPtr; Bit16u BytesPerScanLine; // Mandatory information for VBE 1.2 and above Bit16u XResolution; Bit16u YResolution; Bit8u XCharSize; Bit8u YCharSize; Bit8u NumberOfPlanes; Bit8u BitsPerPixel; Bit8u NumberOfBanks; Bit8u MemoryModel; Bit8u BankSize; Bit8u NumberOfImagePages; Bit8u Reserved_page; // Direct Color fields (required for direct/6 and YUV/7 memory models) Bit8u RedMaskSize; Bit8u RedFieldPosition; Bit8u GreenMaskSize; Bit8u GreenFieldPosition; Bit8u BlueMaskSize; Bit8u BlueFieldPosition; Bit8u RsvdMaskSize; Bit8u RsvdFieldPosition; Bit8u DirectColorModeInfo; // Mandatory information for VBE 2.0 and above Bit32u PhysBasePtr; Bit32u OffScreenMemOffset; Bit16u OffScreenMemSize; // Mandatory information for VBE 3.0 and above Bit16u LinBytesPerScanLine; Bit8u BnkNumberOfPages; Bit8u LinNumberOfPages; Bit8u LinRedMaskSize; Bit8u LinRedFieldPosition; Bit8u LinGreenMaskSize; Bit8u LinGreenFieldPosition; Bit8u LinBlueMaskSize; Bit8u LinBlueFieldPosition; Bit8u LinRsvdMaskSize; Bit8u LinRsvdFieldPosition; Bit32u MaxPixelClock; Bit8u Reserved[189]; } ModeInfoBlock; typedef struct ModeInfoListItem { Bit16u 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). */ Bit16u u16Signature; /** Data size. */ Bit16u 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