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Diffstat (limited to 'c/src/lib/libbsp/i386/pc386/include/vbe3.h')
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diff --git a/c/src/lib/libbsp/i386/pc386/include/vbe3.h b/c/src/lib/libbsp/i386/pc386/include/vbe3.h deleted file mode 100644 index b62ab6f3ac..0000000000 --- a/c/src/lib/libbsp/i386/pc386/include/vbe3.h +++ /dev/null @@ -1,619 +0,0 @@ -/** - * @file vbe3.h - * - * @ingroup i386_pc386 - * - * @brief VESA Bios Extension definitions. - * - * This file contains definitions for constants related to VBE. - * More information can be found at - * <http://www.vesa.org/vesa-standards/free-standards/>. - * VESA public standards may be found at - * <http://www.vesa.org/wp-content/uploads/2010/12/thankspublic.htm>. - */ - -/* - * 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 <stdint.h> - -#ifdef __cplusplus -extern "C" { -#endif /* __cplusplus */ - -#include <rtems/score/basedefs.h> - -/* VESA BIOS EXTENSION (VBE) Core functions Standard - Version: 3.0 Date: September 16, 1998 */ - -/** AL == 4Fh: Function is supported \n - * 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 \n - If D8 == 1, this is a VESA defined VBE mode */ -#define VBE_VESAmodeMask 0x0100 -#define VBE_VESAmodeShift 0x08 -/* D9-D10 = Reserved by VESA for future expansion (= 0) */ -/** If D11 == 0, Use current BIOS default refresh rate \n - If D11 == 1, Use user specified CRTC values for refresh rate */ -#define VBE_refreshRateCtrlMask 0x0800 -#define VBE_refreshRateCtrlShift 0x0B -/* D12-13 = Reserved for VBE/AF (must be 0) */ -/** If D14 == 0, Use Banked/Windowed Frame Buffer \n - If D14 == 1, Use Linear/Flat Frame Buffer */ -#define VBE_linearFlatFrameBufMask 0x4000 -#define VBE_linearFlatFrameBufShift 0x0E -/** If D15 == 0, Clear display memory \n - If D15 == 1, Preserve display memory */ -#define VBE_preserveDispMemMask 0x8000 -#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 */ -/** VBE function - Return VBE Controller Information */ -#define VBE_RetVBEConInf 0x4F00 -/** VBE function - Return VBE Mode Information */ -#define VBE_RetVBEModInf 0x4F01 -/** VBE function - Set VBE Mode */ -#define VBE_SetVBEMod 0x4F02 -/** VBE function - Return Current VBE Mode */ -#define VBE_RetCurVBEMod 0x4F03 -/** VBE function - Save/Restore State */ -#define VBE_SavResSta 0x4F04 -/** VBE function - Display Window Control */ -#define VBE_DisWinCon 0x4F05 -/** VBE function - Set/Get Logical Scan Line Length */ -#define VBE_SetGetLogScaLinLen 0x4F06 -/** VBE function - Set/Get Display Start */ -#define VBE_SetGetDisSta 0x4F07 -/** VBE function - Set/Get DAC Palette Format */ -#define VBE_SetGetDACPalFor 0x4F08 -/** VBE function - Set/Get Palette Data */ -#define VBE_SetGetPalDat 0x4F09 -/** VBE function - Return VBE Protected Mode Interface */ -#define VBE_RetVBEProModInt 0x4F0A -/** VBE function - Get/Set pixel clock */ -#define VBE_GetSetpixclo 0x4F0B -/** VBE function - Power Management Extensions (PM) */ -#define VBE_PowManExt 0x4F10 -/** VBE function - Flat Panel Interface Extensions (FP) */ -#define VBE_FlaPanIntExt 0x4F11 -/** VBE function - Audio Interface Extensions (AI) */ -#define VBE_AudIntExt 0x4F13 -/** VBE function - OEM Extensions */ -#define VBE_OEMExt 0x4F14 -/** VBE function - Display Data Channel (DDC), Serial Control Interface (SCI) */ -#define VBE_DisDatCha 0x4F15 - -/* VBE subfunction numbers - passed in BL register */ -#define VBE_RetVBESupSpeInf 0x00 /**< Return VBE Supplemental - * Specification Information */ -/* *** Structures *** */ -/** - * @brief Far pointer as defined by VBE standard. - */ -typedef struct { - /** @brief Offset to segment described by \a selector. */ - uint16_t offset; - /** @brief Selector or Segment depending on whether this is used from 16bit - protected mode or from real mode. */ - uint16_t selector; -} RTEMS_PACKED VBE_far_pointer; - -/** - * @brief Protected mode info block as defined by VBE standard. - */ -typedef struct { - /** PM Info Block Signature */ - uint8_t Signature[4]; - /** Offset of PM entry point within BIOS */ - uint16_t EntryPoint; - /** Offset of PM initialization entry point */ - uint16_t PMInitialize; - /** Selector to BIOS data area emulation block */ - uint16_t BIOSDataSel; - /** Selector to access A0000h physical memmory */ - uint16_t A0000Sel; - /** Selector to access B0000h physical memmory */ - uint16_t B0000Sel; - /** Selector to access B8000h physical memmory */ - uint16_t B8000Sel; - /** Selector to access code segment as data */ - uint16_t CodeSegSel; - /** Set to 1 when in protected mode */ - uint8_t InProtectMode; - /** Checksum byte for structure. Sum over all structure bytes gives 0. */ - uint8_t Checksum; -} RTEMS_PACKED VBE_protected_mode_info_block; - -/** 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_STUB_VideoModeList 0xFFFF -#define VBE_END_OF_VideoModeList 0xFFFF -/** - * @brief Information about VBE implementation. - */ -typedef struct { - /** VBE Signature */ - uint8_t VbeSignature[4]; - /** VBE Version */ - uint16_t VbeVersion; - /** VBE_far_pointer to OEM String */ - uint8_t *OemStringPtr; - /** Capabilities of graphics controller */ - uint8_t Capabilities[4]; - /** VBE_far_pointer to VideoModeList */ - uint32_t *VideoModePtr; - /** Number of 64kb memory blocks */ - uint16_t TotalMemory; - /* Added for VBE 2.0+ */ - /** VBE implementation Software revision */ - uint16_t OemSoftwareRev; - /** VBE_far_pointer to Vendor Name String */ - uint8_t *OemVendorNamePtr; - /** VBE_far_pointer to Product Name String */ - uint8_t *OemProductNamePtr; - /** VBE_far_pointer to Product Revision String */ - uint8_t *OemProductRevPtr; - /** Reserved for VBE implementation scratch */ - uint8_t Reserved[222]; - /** Data Area for OEM Strings */ - uint8_t OemData[256]; -} RTEMS_PACKED VBE_vbe_info_block; - -/** - * @brief Describes graphic's mode parameter. - */ -typedef struct { - /* Mandatory information for all VBE revisions */ - /** mode attributes */ - uint16_t ModeAttributes; - /** window A attributes */ - uint8_t WinAAttributes; - /** window B attributes */ - uint8_t WinBAttributes; - /** window granularity */ - uint16_t WinGranularity; - /** window size */ - uint16_t WinSize; - /** window A start segment */ - uint16_t WinASegment; - /** window B start segment */ - uint16_t WinBSegment; - /** real mode pointer to window function */ - uint32_t *WinFuncPtr; - /** bytes per scan line */ - uint16_t BytesPerScanLine; - /* Mandatory information for VBE 1.2 and above */ - /** horizontal resolution in px or chars */ - uint16_t XResolution; - /** vertical resolution in px or chars */ - uint16_t YResolution; - /** character cell width in pixels */ - uint8_t XCharSize; - /** character cell height in pixels */ - uint8_t YCharSize; - /** number of memory planes */ - uint8_t NumberOfPlanes; - /** bits per pixel */ - uint8_t BitsPerPixel; - /** number of banks */ - uint8_t NumberOfBanks; - /** memory model type */ - uint8_t MemoryModel; - /** bank size in KB */ - uint8_t BankSize; - /** number of images */ - uint8_t NumberOfImagePages; - /** reserved for page function */ - uint8_t Reserved0; - /* Direct Color fields (required for direct/6 and YUV/7 memory models) */ - /** size of direct color red mask in bits */ - uint8_t RedMaskSize; - /** bit position of lsb of red mask */ - uint8_t RedFieldPosition; - /** size of direct color green mask in b */ - uint8_t GreenMaskSize; - /** bit position of lsb of green mask */ - uint8_t GreenFieldPosition; - /** size of direct color blue mask in b */ - uint8_t BlueMaskSize; - /** bit position of lsb of blue mask */ - uint8_t BlueFieldPosition; - /** size of direct color reserved mask */ - uint8_t RsvdMaskSize; - /** bit position of lsb of reserved mask */ - uint8_t RsvdFieldPosition; - /** direct color mode attributes */ - uint8_t DirectColorModeInfo; - /* Mandatory information for VBE 2.0 and above */ - /** physical address for flat memory frame buffer */ - uint32_t *PhysBasePtr; - /** Reserved - always set to 0 */ - uint32_t Reserved1; - /** Reserved - always set to 0 */ - uint16_t Reserved2; - /* Mandatory information for VBE 3.0 and above */ - /** bytes per scan line for linear modes */ - uint16_t LinBytesPerScanLine; - /** number of images for banked modes */ - uint8_t BnkNumberOfImagePages; - /** number of images for linear modes */ - uint8_t LinNumberOfImagePages; - /* linear modes */ - /** size of direct color red mask */ - uint8_t LinRedMaskSize; - /** bit position of lsb of red mask */ - uint8_t LinRedFieldPosition; - /** size of direct color green mask */ - uint8_t LinGreenMaskSize; - /** bit position of lsb of green mask */ - uint8_t LinGreenFieldPosition; - /** size of direct color blue mask */ - uint8_t LinBlueMaskSize; - /** bit position of lsb of blue mask */ - uint8_t LinBlueFieldPosition; - /** size of direct color reserved mask */ - uint8_t LinRsvdMaskSize; - /** bit position of lsb of reserved mask */ - uint8_t LinRsvdFieldPosition; - /** maximum pixel clock (in Hz) for graphics mode */ - uint32_t MaxPixelClock; - /** remainder of VBE_mode_info_block */ - uint8_t Reserved3[189]; -} RTEMS_PACKED VBE_mode_info_block; - -/** - * @brief Describes monitor synchronization. - */ -typedef struct { - /** Horizontal total in pixels */ - uint16_t HorizontalTotal; - /** Horizontal sync start in pixels */ - uint16_t HorizontalSyncStart; - /** Horizontal sync end in pixels */ - uint16_t HorizontalSyncEnd; - /** Vertical total in lines */ - uint16_t VerticalTotal; - /** Vertical sync start in lines */ - uint16_t VerticalSyncStart; - /** Vertical sync end in lines */ - uint16_t VerticalSyncEnd; - /** Flags (Interlaced, Double Scan etc) */ - uint8_t Flags; - /** Pixel clock in units of Hz */ - uint32_t PixelClock; - /** Refresh rate in units of 0.01 Hz */ - uint16_t RefreshRate; - /** remainder of VBE_mode_info_block */ - uint8_t Reserved[40]; -} RTEMS_PACKED VBE_CRTC_info_block; - -/** - * @brief Describes palette entry. - */ -typedef struct { - /** Blue channel value (6 or 8 bits) */ - uint8_t Blue; - /** Green channel value (6 or 8 bits) */ - uint8_t Green; - /** Red channel value(6 or 8 bits) */ - uint8_t Red; - /** DWORD alignment byte (unused) */ - uint8_t Alignment; -} RTEMS_PACKED VBE_palette_entry; - -/** - * @brief Supplemental VBE info block. - */ -typedef struct { - /** Supplemental VBE Signature */ - uint8_t SupVbeSignature[7]; - /** Supplemental VBE Version */ - uint16_t SupVbeVersion; - /** Bitfield of supported subfunctions */ - uint8_t SupVbeSubFunc[8]; - /** OEM Software revision */ - uint16_t OemSoftwareRev; - /** VBE_far_pointer to Vendor Name String */ - uint8_t *OemVendorNamePtr; - /** VBE_far_pointer to Product Name String */ - uint8_t *OemProductNamePtr; - /** VBE_far_pointer to Product Revision String */ - uint8_t *OemProductRevPtr; - /** VBE_far_pointer to OEM String */ - uint8_t *OemStringPtr; - /** Reserved for description strings and future expansion */ - uint8_t Reserved[221]; -} RTEMS_PACKED VBE_supplemental_vbe_info_block; - -/* VBE_vbe_info_block Capabilities */ -/** VBE Info Block - Capabilities\n - D0 = 0 DAC is fixed width, with 6 bits per primary color \n - D0 = 1 DAC width is switchable to 8 bits per primary color */ -#define VBE_DACswitchableMask 0x0001 -/** VBE Info Block - Capabilities\n - D1 = 0 Controller is VGA compatible \n - D1 = 1 Controller is not VGA compatible */ -#define VBE_notVGAcompatibleMask 0x0002 -/** VBE Info Block - Capabilities\n - D2 = 0 Normal RAMDAC operation \n - D2 = 1 When programming large blocks of information to the RAMDAC, - use the blank bit in Function 09h. */ -#define VBE_specialRAMDACopMask 0x0004 -/** VBE Info Block - Capabilities\n - D3 = 0 No hardware stereoscopic signaling support \n - D3 = 1 Hardware stereoscopic signaling supported by controller */ -#define VBE_hwStereoscopicMask 0x0008 -/** VBE Info Block - Capabilities\n - D4 = 0 Stereo signaling supported via external VESA stereo connector \n - D4 = 1 Stereo signaling supported via VESA EVC connector */ -#define VBE_supportEVCconnMask 0x0010 -/* D5-31 = Reserved */ - -/* VBE_mode_info_block ModeAttributes */ -/** Mode Info Block - Mode Attributes\n - D0 = Mode supported by hardware configuration. - 0 = Mode not supported in hardware\n - 1 = Mode supported in hardware */ -#define VBE_modSupInHWMask 0x0001 -/* D1 = 1 (Reserved) */ -/** Mode Info Block - Mode Attributes\n - D2 = TTY Output functions supported by BIOS. - 0 = TTY Output functions not supported by BIOS\n - 1 = TTY Output functions supported by BIOS */ -#define VBE_TTYOutSupByBIOSMask 0x0004 -/** Mode Info Block - Mode Attributes\n - D3 = Monochrome/color mode (see note below). - 0 = Monochrome mode\n - 1 = Color mode */ -#define VBE_ColorModeMask 0x0008 -/** Mode Info Block - Mode Attributes\n - D4 = Mode type. - 0 = Text mode\n - 1 = Graphics mode */ -#define VBE_GraphicsModeMask 0x0010 -/** Mode Info Block - Mode Attributes\n - D5 = VGA compatible mode. - 0 = Yes\n - 1 = No */ -#define VBE_VGACompModeMask 0x0020 -/** Mode Info Block - Mode Attributes\n - D6 = VGA compatible windowed memory mode is available. - 0 = Yes\n - 1 = No */ -#define VBE_VGACompWinMemModeMask 0x0040 -/** Mode Info Block - Mode Attributes\n - D7 = Linear frame buffer mode is available. - 0 = No\n - 1 = Yes */ -#define VBE_LinFraBufModeAvaiMask 0x0080 -/** Mode Info Block - Mode Attributes\n - D8 = Double scan mode is available. - 0 = No\n - 1 = Yes */ -#define VBE_DblScnModeAvaiMask 0x0100 -/** Mode Info Block - Mode Attributes\n - D9 = Interlaced mode is available. - 0 = No\n - 1 = Yes */ -#define VBE_InterlModeAvaiMask 0x0200 -/** Mode Info Block - Mode Attributes\n - D10 = Hardware triple buffering support. - 0 = No\n - 1 = Yes */ -#define VBE_HWTripBufSupMask 0x0400 -/** Mode Info Block - Mode Attributes\n - D11 = Hardware stereoscopic display support. - 0 = No\n - 1 = Yes */ -#define VBE_HWSterDispSupMask 0x0800 -/** Mode Info Block - Mode Attributes\n - D12 = Dual display start address support. - 0 = No\n - 1 = Yes */ -#define VBE_DualDispStAdrSupMask 0x1000 -/* D13-D15 = Reserved */ - -/* VBE_mode_info_block WinXAttributes */ -/** D0 = Relocatable window(s) supported. - 0 = Single non-relocatable window only\n - 1 = Relocatable window(s) are supported */ -#define VBE_RelocWinSupMask 0x01 -/** D1 = Window readable. - 0 = Window is not readable\n - 1 = Window is readable */ -#define VBE_WinReadableMask 0x02 -/** D2 = Window writeable. - 0 = Window is not writeable\n - 1 = Window is writeable */ -#define VBE_WinWritableMask 0x04 -/* D3-D7 = Reserved */ - -/* VBE_mode_info_block 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 */ - -/* VBE_mode_info_block DirectColorModeInfo */ -/** D0 = Color ramp is fixed/programmable. - 0 = Color ramp is fixed\n - 1 = Color ramp is programmable */ -#define VBE_ColRampProgMask 0x01 -/** D1 = Bits in Rsvd field are usable/reserved. - 0 = Bits in Rsvd field are reserved\n - 1 = Bits in Rsvd field are usable by the application */ -#define VBE_RsvdBitsUsableMask 0x02 - -/* VBE_CRTC_info_block Flags */ -/** CRTC Info Block - Flags\n - D0 = Double Scan Mode Enable. - 0 = Graphics mode is not double scanned\n - 1 = Graphics mode is double scanned */ -#define VBE_GrModeDblScanMask 0x01 -/** CRTC Info Block - Flags\n - D1 = Interlaced Mode Enable. - 0 = Graphics mode is non-interlaced\n - 1 = Graphics mode is interlaced */ -#define VBE_GrModeInterlMask 0x02 -/** CRTC Info Block - Flags\n - D2 = Horizontal sync polarity. - 0 = Horizontal sync polarity is positive (+)\n - 1 = Horizontal sync polarity is negative (-) */ -#define VBE_HorSncPolNegMask 0x04 -/** CRTC Info Block - Flags\n - D3 = Vertical sync polarity. - 0 = Vertical sync polarity is positive (+)\n - 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 */ -/** VBE/DDC subfunction - Report VBE/DDC Capabilities */ -#define VBEDDC_Capabilities 0x0 -/** VBE/DDC subfunction - Read EDID */ -#define VBEDDC_ReadEDID 0x1 - -/* 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\n - 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 */ -/** VBE/SCI subfunction - Report VBE/SCI Capabilities */ -#define VBESCI_ReportCapabil 0x10 -/** VBE/SCI subfunction - Begin SCL/SDA control */ -#define VBESCI_BegSCLSDACtrl 0x11 -/** VBE/SCI subfunction - End SCL/SDA control */ -#define VBESCI_EndSCLSDACtrl 0x12 -/** VBE/SCI subfunction - Write SCL clock line */ -#define VBESCI_WrtSCLClkLine 0x13 -/** VBE/SCI subfunction - Write SDA data line */ -#define VBESCI_WrtSDADatLine 0x14 -/** VBE/SCI subfunction - Read SCL clock line */ -#define VBESCI_RdySCLClkLine 0x15 -/** VBE/SCI subfunction - Read SDA data line */ -#define VBESCI_RdySDADatLine 0x16 - -/* SCI Capabilities */ -/* I2C level supported - returned in BL register */ -/** Can write to SCL clock line */ -#define VBESCI_capSCLwrtMask 0x1 -/** Can write to SDA data line */ -#define VBESCI_capSDAwrtMask 0x2 -/** Can read from SCL clock line */ -#define VBESCI_capSCLrdyMask 0x4 -/** Can read from SDA data line */ -#define VBESCI_capSDArdyMask 0x8 - - -#ifdef __cplusplus -} -#endif /* __cplusplus */ - -#endif /* ASM */ - -#endif /* _VBE_H */ |