From c5a74946ac963df90b6f9da3455508acd9264c0a Mon Sep 17 00:00:00 2001 From: Jan Dolezal Date: Thu, 20 Nov 2014 15:00:32 +0100 Subject: i386/pc386/include: header files for VESA BIOS EXTENSIONS and VESA Extended Display Identification Data --- c/src/lib/libbsp/i386/pc386/include/vbe3.h | 463 +++++++++++++++++++++++++++++ 1 file changed, 463 insertions(+) create mode 100644 c/src/lib/libbsp/i386/pc386/include/vbe3.h (limited to 'c/src/lib/libbsp/i386/pc386/include/vbe3.h') diff --git a/c/src/lib/libbsp/i386/pc386/include/vbe3.h b/c/src/lib/libbsp/i386/pc386/include/vbe3.h new file mode 100644 index 0000000000..2bf1b590e7 --- /dev/null +++ b/c/src/lib/libbsp/i386/pc386/include/vbe3.h @@ -0,0 +1,463 @@ +/** + * @file vbe3.h + * + * @ingroup i386_pc386 + * + * @brief VESA Bios Extension definitions. + */ + +/* + * vbe3.h - This file contains definitions for constants related to VBE. + * More information can be found at + * + * VESA public standards may be found at + * + * + * Copyright (C) 2014 Jan Doležal (dolezj21@fel.cvut.cz) + * CTU in Prague. + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.org/license/LICENSE. + */ + +#ifndef _VBE_H +#define _VBE_H + +#ifndef ASM /* ASM */ + +#include + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +#include +#define VBE3_PACKED_ATTRIBUTE RTEMS_COMPILER_PACKED_ATTRIBUTE + +/* VESA BIOS EXTENSION (VBE) Core functions Standard + Version: 3.0 Date: September 16, 1998 */ + +/* VBE RETURN STATUS */ +/* AL == 4Fh: Function is supported */ +/* AL != 4Fh: Function is not supported */ +#define VBE_functionSupported 0x4F +/* AH == 00h: Function call successful */ +#define VBE_callSuccessful 0x00 +/* AH == 01h: Function call failed */ +#define VBE_callFailed 0x01 +/* AH == 02h: Function is not supported in the current hardware configuration */ +#define VBE_notSupportedInCurHWConf 0x02 +/* AH == 03h: Function call invalid in current video mode */ +#define VBE_callInvalid 0x03 + +/* VBE Mode Numbers */ +/* D0-D8 = Mode number */ +#define VBE_modeNumberMask 0x01FF +#define VBE_modeNumberShift 0x00 +/* If D8 == 0, this is not a VESA defined VBE mode */ +#define VBE_VESAmodeMask 0x0100 +/* If D8 == 1, this is a VESA defined VBE mode */ +/* D9-D12 = Reserved by VESA for future expansion (= 0) */ +#define VBE_VESAmodeShift 0x08 +/* If D11 == 0, Use current BIOS default refresh rate */ +#define VBE_refreshRateCtrlMask 0x0800 +/* If D11 == 1, Use user specified CRTC values for refresh rate */ +/* D12-13 = Reserved for VBE/AF (must be 0) */ +#define VBE_refreshRateCtrlShift 0x0B +/* If D14 == 0, Use Banked/Windowed Frame Buffer */ +#define VBE_linearFlatFrameBufMask 0x4000 +/* If D14 == 1, Use Linear/Flat Frame Buffer */ +#define VBE_linearFlatFrameBufShift 0x0E +/* If D15 == 0, Clear display memory */ +#define VBE_preserveDispMemMask 0x8000 +/* If D15 == 1, Preserve display memory */ +#define VBE_preserveDispMemShift 0x0F + +/* Graphics modes */ +/* 15-bit mode, Resolution: 640x400, Colors: 256 */ +#define VBE_R640x400C256 0x100 +/* 15-bit mode, Resolution: 640x480, Colors: 256 */ +#define VBE_R640x480C256 0x101 +/* 15-bit mode, Resolution: 800x600, Colors: 16 */ +#define VBE_R800x600C16 0x102 +/* 7-bit mode, Resolution: 800x600, Colors: 16 */ +#define VBE_b7R800x600C16 0x6A +/* 15-bit mode, Resolution: 800x600, Colors: 256 */ +#define VBE_R800x600C256 0x103 +/* 15-bit mode, Resolution: 1024x768, Colors: 16 */ +#define VBE_R1024x768C16 0x104 +/* 15-bit mode, Resolution: 1024x768, Colors: 256 */ +#define VBE_R1024x768C256 0x105 +/* 15-bit mode, Resolution: 1280x1024, Colors: 16 */ +#define VBE_R1280x1024C16 0x106 +/* 15-bit mode, Resolution: 1280x1024, Colors: 256 */ +#define VBE_R1280x1024C256 0x107 +/* 15-bit mode, Resolution: 320x200, Colors: 32K (1:5:5:5) */ +#define VBE_R320x200C32K 0x10D +/* 15-bit mode, Resolution: 320x200, Colors: 64K (5:6:5) */ +#define VBE_R320x200C64K 0x10E +/* 15-bit mode, Resolution: 320x200, Colors: 16.8M (8:8:8) */ +#define VBE_R320x200C17M 0x10F +/* 15-bit mode, Resolution: 640x480, Colors: 32K (1:5:5:5) */ +#define VBE_R640x480C32K 0x110 +/* 15-bit mode, Resolution: 640x480, Colors: 64K (5:6:5) */ +#define VBE_R640x480C64K 0x111 +/* 15-bit mode, Resolution: 640x480, Colors: 16.8M (8:8:8) */ +#define VBE_R640x480C17M 0x112 +/* 15-bit mode, Resolution: 800x600, Colors: 32K (1:5:5:5) */ +#define VBE_R800x600C32K 0x113 +/* 15-bit mode, Resolution: 800x600, Colors: 64K (5:6:5) */ +#define VBE_R800x600C64K 0x114 +/* 15-bit mode, Resolution: 800x600, Colors: 16.8M (8:8:8) */ +#define VBE_R800x600C17M 0x115 +/* 15-bit mode, Resolution: 1024x768, Colors: 32K (1:5:5:5) */ +#define VBE_R1024x768C32K 0x116 +/* 15-bit mode, Resolution: 1024x768, Colors: 64K (5:6:5) */ +#define VBE_R1024x768C64K 0x117 +/* 15-bit mode, Resolution: 1024x768, Colors: 16.8M (8:8:8) */ +#define VBE_R1024x768C17M 0x118 +/* 15-bit mode, Resolution: 1280x1024, Colors: 32K (1:5:5:5) */ +#define VBE_R1280x1024C32K 0x119 +/* 15-bit mode, Resolution: 1280x1024, Colors: 64K (5:6:5) */ +#define VBE_R1280x1024C64K 0x11A +/* 15-bit mode, Resolution: 1280x1024, Colors: 16.8M (8:8:8) */ +#define VBE_R1280x1024C17M 0x11B +#define VBE_SpecialMode 0x81FF + +/* Text modes */ +#define VBE_C80R60 0x108 /* 15-bit mode, Columns: 80, Rows: 60 */ +#define VBE_C132R25 0x109 /* 15-bit mode, Columns: 132, Rows: 25 */ +#define VBE_C132R43 0x10A /* 15-bit mode, Columns: 132, Rows: 43 */ +#define VBE_C132R50 0x10B /* 15-bit mode, Columns: 132, Rows: 50 */ +#define VBE_C132R60 0x10C /* 15-bit mode, Columns: 132, Rows: 60 */ + +/* VBE function numbers - passed in AX register */ +#define VBE_RetVBEConInf 0x4F00 /* Return VBE Controller Information */ +#define VBE_RetVBEModInf 0x4F01 /* Return VBE Mode Information */ +#define VBE_SetVBEMod 0x4F02 /* Set VBE Mode */ +#define VBE_RetCurVBEMod 0x4F03 /* Return Current VBE Mode */ +#define VBE_SavResSta 0x4F04 /* Save/Restore State */ +#define VBE_DisWinCon 0x4F05 /* Display Window Control */ +#define VBE_SetGetLogScaLinLen 0x4F06 /* Set/Get Logical Scan Line Length */ +#define VBE_SetGetDisSta 0x4F07 /* Set/Get Display Start */ +#define VBE_SetGetDACPalFor 0x4F08 /* Set/Get DAC Palette Format */ +#define VBE_SetGetPalDat 0x4F09 /* Set/Get Palette Data */ +#define VBE_RetVBEProModInt 0x4F0A /* Return VBE Protected Mode Interface */ +#define VBE_GetSetpixclo 0x4F0B /* Get/Set pixel clock */ +#define VBE_PowManExt 0x4F10 /* Power Management Extensions (PM) */ +#define VBE_FlaPanIntExt 0x4F11 /* Flat Panel Interface Extensions (FP) */ +#define VBE_AudIntExt 0x4F13 /* Audio Interface Extensions (AI) */ +#define VBE_OEMExt 0x4F14 /* OEM Extensions */ +#define VBE_DisDatCha 0x4F15 /* Display Data Channel (DDC), + Serial Control Interface (SCI) */ + +/* VBE subfunction numbers - passed in BL register */ +#define VBE_RetVBESupSpeInf 0x00 /* Return VBE Supplemental + Specification Information */ +/* *** Structures *** */ +struct VBE_FarPtr { + uint16_t offset; + uint16_t selector; +} VBE3_PACKED_ATTRIBUTE; + +struct VBE_PMInfoBlock { + uint8_t Signature[4]; /* PM Info Block Signature */ + uint16_t EntryPoint; /* Offset of PM entry point within BIOS */ + uint16_t PMInitialize; /* Offset of PM initialization entry point */ + uint16_t BIOSDataSel; /* Selector to BIOS data area emulation block */ + uint16_t A0000Sel; /* Selector to access A0000h physical mem */ + uint16_t B0000Sel; /* Selector to access B0000h physical mem */ + uint16_t B8000Sel; /* Selector to access B8000h physical mem */ + uint16_t CodeSegSel; /* Selector to access code segment as data */ + uint8_t InProtectMode; /* Set to 1 when in protected mode */ + uint8_t Checksum; /* Checksum byte for structure */ +} VBE3_PACKED_ATTRIBUTE; + +/* General VBE signature */ +#define VBE_SIGNATURE "VESA" +/* Signature for VBE 2.0 and higher */ +#define VBE20plus_SIGNATURE "VBE2" +/* for STUB see VBE CORE FUNCTIONS VERSION 3.0 - Appendix 1 */ +#define VBE_END_OF_VideoModeList 0xFFFF +#define VBE_STUB_VideoModeList 0xFFFF +struct VBE_VbeInfoBlock { + uint8_t VbeSignature[4]; /* VBE Signature */ + uint16_t VbeVersion; /* VBE Version */ + uint8_t *OemStringPtr; /* VbeFarPtr to OEM String */ + uint8_t Capabilities[4]; /* Capabilities of graphics controller */ + uint32_t *VideoModePtr; /* VbeFarPtr to VideoModeList */ + uint16_t TotalMemory; /* Number of 64kb memory blocks */ + /* Added for VBE 2.0+ */ + uint16_t OemSoftwareRev; /* VBE implementation Software revision */ + uint8_t *OemVendorNamePtr; /* VbeFarPtr to Vendor Name String */ + uint8_t *OemProductNamePtr; /* VbeFarPtr to Product Name String */ + uint8_t *OemProductRevPtr; /* VbeFarPtr to Product Revision String */ + uint8_t Reserved[222]; /* Reserved for VBE implementation scratch */ + /* area */ + uint8_t OemData[256]; /* Data Area for OEM Strings */ +} VBE3_PACKED_ATTRIBUTE; + +struct VBE_ModeInfoBlock { + /* Mandatory information for all VBE revisions */ + uint16_t ModeAttributes; /* mode attributes */ + uint8_t WinAAttributes; /* window A attributes */ + uint8_t WinBAttributes; /* window B attributes */ + uint16_t WinGranularity; /* window granularity */ + uint16_t WinSize; /* window size */ + uint16_t WinASegment; /* window A start segment */ + uint16_t WinBSegment; /* window B start segment */ + uint32_t *WinFuncPtr; /* real mode pointer to window function */ + uint16_t BytesPerScanLine; /* bytes per scan line */ + /* Mandatory information for VBE 1.2 and above */ + uint16_t XResolution; /* horizontal resolution in px or chars */ + uint16_t YResolution; /* vertical resolution in px or chars */ + uint8_t XCharSize; /* character cell width in pixels */ + uint8_t YCharSize; /* character cell height in pixels */ + uint8_t NumberOfPlanes; /* number of memory planes */ + uint8_t BitsPerPixel; /* bits per pixel */ + uint8_t NumberOfBanks; /* number of banks */ + uint8_t MemoryModel; /* memory model type */ + uint8_t BankSize; /* bank size in KB */ + uint8_t NumberOfImagePages; /* number of images */ + uint8_t Reserved0; /* reserved for page function */ + /* Direct Color fields (required for direct/6 and YUV/7 memory models) */ + uint8_t RedMaskSize; /* size of direct color red mask in bits */ + uint8_t RedFieldPosition; /* bit position of lsb of red mask */ + uint8_t GreenMaskSize; /* size of direct color green mask in b */ + uint8_t GreenFieldPosition; /* bit position of lsb of green mask */ + uint8_t BlueMaskSize; /* size of direct color blue mask in b */ + uint8_t BlueFieldPosition; /* bit position of lsb of blue mask */ + uint8_t RsvdMaskSize; /* size of direct color reserved mask */ + uint8_t RsvdFieldPosition; /* bit position of lsb of reserved mask */ + uint8_t DirectColorModeInfo; /* direct color mode attributes */ + /* Mandatory information for VBE 2.0 and above */ + uint32_t *PhysBasePtr; /* physical address for + flat memory frame buffer */ + uint32_t Reserved1; /* Reserved - always set to 0 */ + uint16_t Reserved2; /* Reserved - always set to 0 */ + /* Mandatory information for VBE 3.0 and above */ + uint16_t LinBytesPerScanLine; /* bytes per scan line for linear modes */ + uint8_t BnkNumberOfImagePages; /* number of images for banked modes */ + uint8_t LinNumberOfImagePages; /* number of images for linear modes */ + /* linear modes */ + uint8_t LinRedMaskSize; /* size of direct color red mask */ + uint8_t LinRedFieldPosition; /* bit position of lsb of red mask */ + uint8_t LinGreenMaskSize; /* size of direct color green mask */ + uint8_t LinGreenFieldPosition; /* bit position of lsb of green mask */ + uint8_t LinBlueMaskSize; /* size of direct color blue mask */ + uint8_t LinBlueFieldPosition; /* bit position of lsb of blue mask */ + uint8_t LinRsvdMaskSize; /* size of direct color reserved mask */ + uint8_t LinRsvdFieldPosition; /* bit position of lsb of reserved mask */ + uint32_t MaxPixelClock; /* maximum pixel clock + (in Hz) for graphics mode */ + uint8_t Reserved3[189]; /* remainder of ModeInfoBlock */ +} VBE3_PACKED_ATTRIBUTE; + +struct VBE_CRTCInfoBlock { + uint16_t HorizontalTotal; /* Horizontal total in pixels */ + uint16_t HorizontalSyncStart; /* Horizontal sync start in pixels */ + uint16_t HorizontalSyncEnd; /* Horizontal sync end in pixels */ + uint16_t VerticalTotal; /* Vertical total in lines */ + uint16_t VerticalSyncStart; /* Vertical sync start in lines */ + uint16_t VerticalSyncEnd; /* Vertical sync end in lines */ + uint8_t Flags; /* Flags (Interlaced, Double Scan etc) */ + uint32_t PixelClock; /* Pixel clock in units of Hz */ + uint16_t RefreshRate; /* Refresh rate in units of 0.01 Hz */ + uint8_t Reserved[40]; /* remainder of ModeInfoBlock */ +} VBE3_PACKED_ATTRIBUTE; + +struct VBE_PaletteEntry { + uint8_t Blue; /* Blue channel value (6 or 8 bits) */ + uint8_t Green; /* Green channel value (6 or 8 bits) */ + uint8_t Red; /* Red channel value(6 or 8 bits) */ + uint8_t Alignment; /* DWORD alignment byte (unused) */ +} VBE3_PACKED_ATTRIBUTE; + +struct VBE_SupVbeInfoBlock { + uint8_t SupVbeSignature[7]; /* Supplemental VBE Signature */ + uint16_t SupVbeVersion; /* Supplemental VBE Version */ + uint8_t SupVbeSubFunc[8]; /* Bitfield of supported subfunctions */ + uint16_t OemSoftwareRev; /* OEM Software revision */ + uint8_t *OemVendorNamePtr; /* VbeFarPtr to Vendor Name String */ + uint8_t *OemProductNamePtr; /* VbeFarPtr to Product Name String */ + uint8_t *OemProductRevPtr; /* VbeFarPtr to Product Revision String */ + uint8_t *OemStringPtr; /* VbeFarPtr to OEM String */ + uint8_t Reserved[221]; /* Reserved for description + strings and future */ + /* expansion */ +} VBE3_PACKED_ATTRIBUTE; + +/* VbeInfoBlock Capabilities */ +/* D0 = 0 DAC is fixed width, with 6 bits per primary color */ +/* = 1 DAC width is switchable to 8 bits per primary color */ +#define VBE_DACswitchableMask 0x0001 +/* D1 = 0 Controller is VGA compatible */ +/* = 1 Controller is not VGA compatible */ +#define VBE_notVGAcompatibleMask 0x0002 +/* D2 = 0 Normal RAMDAC operation */ +/* = 1 When programming large blocks of information to the RAMDAC, + use the blank bit in Function 09h. */ +#define VBE_specialRAMDACopMask 0x0004 +/* D3 = 0 No hardware stereoscopic signaling support */ +/* = 1 Hardware stereoscopic signaling supported by controller */ +#define VBE_hwStereoscopicMask 0x0008 +/* D4 = 0 Stereo signaling supported via external VESA stereo connector */ +/* = 1 Stereo signaling supported via VESA EVC connector */ +#define VBE_supportEVCconnMask 0x0010 +/* D5-31 = Reserved */ + +/* ModeInfoBlock ModeAttributes */ +/* D0 = Mode supported by hardware configuration */ +/* 0 = Mode not supported in hardware */ +/* 1 = Mode supported in hardware */ +#define VBE_modSupInHWMask 0x0001 +/* D1 = 1 (Reserved) */ +/* D2 = TTY Output functions supported by BIOS */ +/* 0 = TTY Output functions not supported by BIOS */ +/* 1 = TTY Output functions supported by BIOS */ +#define VBE_TTYOutSupByBIOSMask 0x0004 +/* D3 = Monochrome/color mode (see note below) */ +/* 0 = Monochrome mode */ +/* 1 = Color mode */ +#define VBE_ColorModeMask 0x0008 +/* D4 = Mode type */ +/* 0 = Text mode */ +/* 1 = Graphics mode */ +#define VBE_GraphicsModeMask 0x0010 +/* D5 = VGA compatible mode */ +/* 0 = Yes */ +/* 1 = No */ +#define VBE_VGACompModeMask 0x0020 +/* D6 = VGA compatible windowed memory mode is available */ +/* 0 = Yes */ +/* 1 = No */ +#define VBE_VGACompWinMemModeMask 0x0040 +/* D7 = Linear frame buffer mode is available */ +/* 0 = No */ +/* 1 = Yes */ +#define VBE_LinFraBufModeAvaiMask 0x0080 +/* D8 = Double scan mode is available */ +/* 0 = No */ +/* 1 = Yes */ +#define VBE_DblScnModeAvaiMask 0x0100 +/* D9 = Interlaced mode is available */ +/* 0 = No */ +/* 1 = Yes */ +#define VBE_InterlModeAvaiMask 0x0200 +/* D10 = Hardware triple buffering support */ +/* 0 = No */ +/* 1 = Yes */ +#define VBE_HWTripBufSupMask 0x0400 +/* D11 = Hardware stereoscopic display support */ +/* 0 = No */ +/* 1 = Yes */ +#define VBE_HWSterDispSupMask 0x0800 +/* D12 = Dual display start address support */ +/* 0 = No */ +/* 1 = Yes */ +#define VBE_DualDispStAdrSupMask 0x1000 +/* D13-D15 = Reserved */ + +/* ModeInfoBlock WinXAttributes */ +/* D0 = Relocatable window(s) supported */ +/* 0 = Single non-relocatable window only */ +/* 1 = Relocatable window(s) are supported */ +#define VBE_RelocWinSupMask 0x01 +/* D1 = Window readable */ +/* 0 = Window is not readable */ +/* 1 = Window is readable */ +#define VBE_WinReadableMask 0x02 +/* D2 = Window writeable */ +/* 0 = Window is not writeable */ +/* 1 = Window is writeable */ +#define VBE_WinWritableMask 0x04 +/* D3-D7 = Reserved */ + +/* ModeInfoBlock MemoryModel */ +#define VBE_TextMode 0x00 +#define VBE_CGAGraphics 0x01 +#define VBE_HerculesGraphics 0x02 +#define VBE_Planar 0x03 +#define VBE_PackedPixel 0x04 +#define VBE_NonChain4Color256 0x05 +#define VBE_DirectColor 0x06 +#define VBE_YUV 0x07 + /* 0x08-0x0F Reserved, to be defined by VESA */ + /* 0x10-0xFF To be defined by OEM */ + +/* ModeInfoBlock DirectColorModeInfo */ +/* D0 = Color ramp is fixed/programmable */ +/* 0 = Color ramp is fixed */ +/* 1 = Color ramp is programmable */ +#define VBE_ColRampProgMask 0x01 +/* D1 = Bits in Rsvd field are usable/reserved */ +/* 0 = Bits in Rsvd field are reserved */ +/* 1 = Bits in Rsvd field are usable by the application */ +#define VBE_RsvdBitsUsableMask 0x02 + +/* CRTCInfoBlock Flags */ +/* D0 = Double Scan Mode Enable */ +/* 0 = Graphics mode is not double scanned */ +/* 1 = Graphics mode is double scanned */ +#define VBE_GrModeDblScanMask 0x01 +/* D1 = Interlaced Mode Enable */ +/* 0 = Graphics mode is non-interlaced */ +/* 1 = Graphics mode is interlaced */ +#define VBE_GrModeInterlMask 0x02 +/* D2 = Horizontal sync polarity */ +/* 0 = Horizontal sync polarity is positive (+) */ +/* 1 = Horizontal sync polarity is negative (-) */ +#define VBE_HorSncPolNegMask 0x04 +/* D3 = Vertical sync polarity */ +/* 0 = Vertical sync polarity is positive (+) */ +/* 1 = Vertical sync polarity is negative (-) */ +#define VBE_VerSncPolNegMask 0x08 + + +/* VESA BIOS Extensions/Display Data Channel Standard + Version: 1.1 November 18, 1999 */ + +/* VBE/DDC subfunction numbers - passed in BL register */ +#define VBEDDC_Capabilities 0x0 /* Report VBE/DDC Capabilities */ +#define VBEDDC_ReadEDID 0x1 /* Read EDID */ + +/* DDC Capabilities */ +/* DDC level supported - returned in BL register */ +/* 0 - DDC1 not supported; 1 - DDC1 supported */ +#define VBEDDC_1SupportedMask 0x1 +/* 0 - DDC2 not supported; 1 - DDC2 supported */ +#define VBEDDC_2SupportedMask 0x2 +/* 0 - Screen not blanked during data transfer; + 1 - Screen blanked during data transfer */ +#define VBEDDC_scrBlnkDatTrMs 0x4 + + +/* VESA BIOS Extensions/Serial Control Interface Standard + Version: 1.0 Revision: 2 Date: July 2, 1997 */ + +/* VBE/SCI subfunction numbers - passed in BL register */ +#define VBESCI_ReportCapabil 0x10 /* Report VBE/SCI Capabilities */ +#define VBESCI_BegSCLSDACtrl 0x11 /* Begin SCL/SDA control */ +#define VBESCI_EndSCLSDACtrl 0x12 /* End SCL/SDA control */ +#define VBESCI_WrtSCLClkLine 0x13 /* Write SCL clock line */ +#define VBESCI_WrtSDADatLine 0x14 /* Write SDA data line */ +#define VBESCI_RdySCLClkLine 0x15 /* Read SCL clock line */ +#define VBESCI_RdySDADatLine 0x16 /* Read SDA data line */ + +/* SCI Capabilities */ +/* I2C level supported - returned in BL register */ +#define VBESCI_capSCLwrtMask 0x1 /* Can write to SCL clock line */ +#define VBESCI_capSDAwrtMask 0x2 /* Can write to SDA data line */ +#define VBESCI_capSCLrdyMask 0x4 /* Can read from SCL clock line */ +#define VBESCI_capSDArdyMask 0x8 /* Can read from SDA data line */ + + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif /* ASM */ + +#endif /* _VBE_H */ + -- cgit v1.2.3