X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?p=palacios.git;a=blobdiff_plain;f=bios%2Fvgabios%2Fvbe.h;fp=bios%2Fvgabios%2Fvbe.h;h=621048a1c79b01996e10fee850e1ed4322492be0;hp=0000000000000000000000000000000000000000;hb=d34450b1e6fe3c2e1295c268c1722c669ba8d545;hpb=1a24d4e8fb3918a42b124777db5b41940150023e diff --git a/bios/vgabios/vbe.h b/bios/vgabios/vbe.h new file mode 100644 index 0000000..621048a --- /dev/null +++ b/bios/vgabios/vbe.h @@ -0,0 +1,302 @@ +#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, DL, CX, 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; + +// 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 + +// 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_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_TOTAL_VIDEO_MEMORY_MB 4 + + #define VBE_DISPI_BANK_ADDRESS 0xA0000 + #define VBE_DISPI_BANK_SIZE_KB 64 + + #define VBE_DISPI_MAX_XRES 1024 + #define VBE_DISPI_MAX_YRES 768 + + #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_ID0 0xB0C0 + #define VBE_DISPI_ID1 0xB0C1 + #define VBE_DISPI_ID2 0xB0C2 + #define VBE_DISPI_ID3 0xB0C3 + + #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 + + +#define VBE_TOTAL_VIDEO_MEMORY_DIV_64K (VBE_DISPI_TOTAL_VIDEO_MEMORY_MB*1024/64) + + +#endif