| #ifndef vbe_h_included |
| #define vbe_h_included |
| |
| #include "vgabios.h" |
| |
| // 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_set_get_palette_data(AX); |
| 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 |
| |
| // GUEST <-> HOST Communication API |
| |
| // FIXME: either dynamicly ask host for this or put somewhere high in physical memory |
| // like 0xE0000000 |
| |
| |
| #define VBE_DISPI_BANK_ADDRESS 0xA0000 |
| #define VBE_DISPI_BANK_SIZE_KB 64 |
| |
| #define VBE_DISPI_MAX_XRES 2560 |
| #define VBE_DISPI_MAX_YRES 1600 |
| |
| #define VBE_DISPI_IOPORT_INDEX 0x01CE |
| #define VBE_DISPI_IOPORT_DATA 0x01CF |
| |
| #define VBE_DISPI_INDEX_ID 0x0 |
| #define VBE_DISPI_INDEX_XRES 0x1 |
| #define VBE_DISPI_INDEX_YRES 0x2 |
| #define VBE_DISPI_INDEX_BPP 0x3 |
| #define VBE_DISPI_INDEX_ENABLE 0x4 |
| #define VBE_DISPI_INDEX_BANK 0x5 |
| #define VBE_DISPI_INDEX_VIRT_WIDTH 0x6 |
| #define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7 |
| #define VBE_DISPI_INDEX_X_OFFSET 0x8 |
| #define VBE_DISPI_INDEX_Y_OFFSET 0x9 |
| #define VBE_DISPI_INDEX_VIDEO_MEMORY_64K 0xa |
| |
| #define VBE_DISPI_ID0 0xB0C0 |
| #define VBE_DISPI_ID1 0xB0C1 |
| #define VBE_DISPI_ID2 0xB0C2 |
| #define VBE_DISPI_ID3 0xB0C3 |
| #define VBE_DISPI_ID4 0xB0C4 |
| #define VBE_DISPI_ID5 0xB0C5 |
| |
| #define VBE_DISPI_DISABLED 0x00 |
| #define VBE_DISPI_ENABLED 0x01 |
| #define VBE_DISPI_GETCAPS 0x02 |
| #define VBE_DISPI_8BIT_DAC 0x20 |
| #define VBE_DISPI_LFB_ENABLED 0x40 |
| #define VBE_DISPI_NOCLEARMEM 0x80 |
| |
| #define VBE_DISPI_LFB_PHYSICAL_ADDRESS 0xE0000000 |
| |
| #endif |
