[c5a74946] | 1 | /** |
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| 2 | * @file vbe3.h |
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| 3 | * |
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| 4 | * @ingroup i386_pc386 |
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| 5 | * |
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| 6 | * @brief VESA Bios Extension definitions. |
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| 7 | */ |
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| 8 | |
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| 9 | /* |
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| 10 | * vbe3.h - This file contains definitions for constants related to VBE. |
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| 11 | * More information can be found at |
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| 12 | * <http://www.vesa.org/vesa-standards/free-standards/> |
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| 13 | * VESA public standards may be found at |
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| 14 | * <http://www.vesa.org/wp-content/uploads/2010/12/thankspublic.htm> |
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| 15 | * |
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| 16 | * Copyright (C) 2014 Jan DoleÅŸal (dolezj21@fel.cvut.cz) |
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| 17 | * CTU in Prague. |
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| 18 | * |
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| 19 | * The license and distribution terms for this file may be |
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| 20 | * found in the file LICENSE in this distribution or at |
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| 21 | * http://www.rtems.org/license/LICENSE. |
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| 22 | */ |
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| 23 | |
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| 24 | #ifndef _VBE_H |
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| 25 | #define _VBE_H |
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| 26 | |
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| 27 | #ifndef ASM /* ASM */ |
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| 28 | |
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| 29 | #include <stdint.h> |
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| 30 | |
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| 31 | #ifdef __cplusplus |
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| 32 | extern "C" { |
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| 33 | #endif /* __cplusplus */ |
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| 34 | |
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| 35 | #include <rtems/score/basedefs.h> |
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| 36 | |
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| 37 | /* VESA BIOS EXTENSION (VBE) Core functions Standard |
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| 38 | Version: 3.0 Date: September 16, 1998 */ |
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| 39 | |
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| 40 | /* VBE RETURN STATUS */ |
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| 41 | /* AL == 4Fh: Function is supported */ |
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| 42 | /* AL != 4Fh: Function is not supported */ |
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| 43 | #define VBE_functionSupported 0x4F |
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| 44 | /* AH == 00h: Function call successful */ |
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| 45 | #define VBE_callSuccessful 0x00 |
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| 46 | /* AH == 01h: Function call failed */ |
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| 47 | #define VBE_callFailed 0x01 |
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| 48 | /* AH == 02h: Function is not supported in the current hardware configuration */ |
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| 49 | #define VBE_notSupportedInCurHWConf 0x02 |
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| 50 | /* AH == 03h: Function call invalid in current video mode */ |
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| 51 | #define VBE_callInvalid 0x03 |
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| 52 | |
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| 53 | /* VBE Mode Numbers */ |
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| 54 | /* D0-D8 = Mode number */ |
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| 55 | #define VBE_modeNumberMask 0x01FF |
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| 56 | #define VBE_modeNumberShift 0x00 |
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| 57 | /* If D8 == 0, this is not a VESA defined VBE mode */ |
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| 58 | #define VBE_VESAmodeMask 0x0100 |
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| 59 | /* If D8 == 1, this is a VESA defined VBE mode */ |
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| 60 | /* D9-D12 = Reserved by VESA for future expansion (= 0) */ |
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| 61 | #define VBE_VESAmodeShift 0x08 |
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| 62 | /* If D11 == 0, Use current BIOS default refresh rate */ |
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| 63 | #define VBE_refreshRateCtrlMask 0x0800 |
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| 64 | /* If D11 == 1, Use user specified CRTC values for refresh rate */ |
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| 65 | /* D12-13 = Reserved for VBE/AF (must be 0) */ |
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| 66 | #define VBE_refreshRateCtrlShift 0x0B |
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| 67 | /* If D14 == 0, Use Banked/Windowed Frame Buffer */ |
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| 68 | #define VBE_linearFlatFrameBufMask 0x4000 |
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| 69 | /* If D14 == 1, Use Linear/Flat Frame Buffer */ |
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| 70 | #define VBE_linearFlatFrameBufShift 0x0E |
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| 71 | /* If D15 == 0, Clear display memory */ |
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| 72 | #define VBE_preserveDispMemMask 0x8000 |
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| 73 | /* If D15 == 1, Preserve display memory */ |
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| 74 | #define VBE_preserveDispMemShift 0x0F |
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| 75 | |
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| 76 | /* Graphics modes */ |
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| 77 | /* 15-bit mode, Resolution: 640x400, Colors: 256 */ |
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| 78 | #define VBE_R640x400C256 0x100 |
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| 79 | /* 15-bit mode, Resolution: 640x480, Colors: 256 */ |
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| 80 | #define VBE_R640x480C256 0x101 |
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| 81 | /* 15-bit mode, Resolution: 800x600, Colors: 16 */ |
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| 82 | #define VBE_R800x600C16 0x102 |
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| 83 | /* 7-bit mode, Resolution: 800x600, Colors: 16 */ |
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| 84 | #define VBE_b7R800x600C16 0x6A |
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| 85 | /* 15-bit mode, Resolution: 800x600, Colors: 256 */ |
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| 86 | #define VBE_R800x600C256 0x103 |
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| 87 | /* 15-bit mode, Resolution: 1024x768, Colors: 16 */ |
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| 88 | #define VBE_R1024x768C16 0x104 |
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| 89 | /* 15-bit mode, Resolution: 1024x768, Colors: 256 */ |
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| 90 | #define VBE_R1024x768C256 0x105 |
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| 91 | /* 15-bit mode, Resolution: 1280x1024, Colors: 16 */ |
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| 92 | #define VBE_R1280x1024C16 0x106 |
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| 93 | /* 15-bit mode, Resolution: 1280x1024, Colors: 256 */ |
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| 94 | #define VBE_R1280x1024C256 0x107 |
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| 95 | /* 15-bit mode, Resolution: 320x200, Colors: 32K (1:5:5:5) */ |
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| 96 | #define VBE_R320x200C32K 0x10D |
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| 97 | /* 15-bit mode, Resolution: 320x200, Colors: 64K (5:6:5) */ |
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| 98 | #define VBE_R320x200C64K 0x10E |
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| 99 | /* 15-bit mode, Resolution: 320x200, Colors: 16.8M (8:8:8) */ |
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| 100 | #define VBE_R320x200C17M 0x10F |
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| 101 | /* 15-bit mode, Resolution: 640x480, Colors: 32K (1:5:5:5) */ |
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| 102 | #define VBE_R640x480C32K 0x110 |
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| 103 | /* 15-bit mode, Resolution: 640x480, Colors: 64K (5:6:5) */ |
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| 104 | #define VBE_R640x480C64K 0x111 |
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| 105 | /* 15-bit mode, Resolution: 640x480, Colors: 16.8M (8:8:8) */ |
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| 106 | #define VBE_R640x480C17M 0x112 |
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| 107 | /* 15-bit mode, Resolution: 800x600, Colors: 32K (1:5:5:5) */ |
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| 108 | #define VBE_R800x600C32K 0x113 |
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| 109 | /* 15-bit mode, Resolution: 800x600, Colors: 64K (5:6:5) */ |
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| 110 | #define VBE_R800x600C64K 0x114 |
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| 111 | /* 15-bit mode, Resolution: 800x600, Colors: 16.8M (8:8:8) */ |
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| 112 | #define VBE_R800x600C17M 0x115 |
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| 113 | /* 15-bit mode, Resolution: 1024x768, Colors: 32K (1:5:5:5) */ |
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| 114 | #define VBE_R1024x768C32K 0x116 |
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| 115 | /* 15-bit mode, Resolution: 1024x768, Colors: 64K (5:6:5) */ |
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| 116 | #define VBE_R1024x768C64K 0x117 |
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| 117 | /* 15-bit mode, Resolution: 1024x768, Colors: 16.8M (8:8:8) */ |
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| 118 | #define VBE_R1024x768C17M 0x118 |
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| 119 | /* 15-bit mode, Resolution: 1280x1024, Colors: 32K (1:5:5:5) */ |
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| 120 | #define VBE_R1280x1024C32K 0x119 |
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| 121 | /* 15-bit mode, Resolution: 1280x1024, Colors: 64K (5:6:5) */ |
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| 122 | #define VBE_R1280x1024C64K 0x11A |
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| 123 | /* 15-bit mode, Resolution: 1280x1024, Colors: 16.8M (8:8:8) */ |
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| 124 | #define VBE_R1280x1024C17M 0x11B |
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| 125 | #define VBE_SpecialMode 0x81FF |
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| 126 | |
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| 127 | /* Text modes */ |
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| 128 | #define VBE_C80R60 0x108 /* 15-bit mode, Columns: 80, Rows: 60 */ |
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| 129 | #define VBE_C132R25 0x109 /* 15-bit mode, Columns: 132, Rows: 25 */ |
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| 130 | #define VBE_C132R43 0x10A /* 15-bit mode, Columns: 132, Rows: 43 */ |
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| 131 | #define VBE_C132R50 0x10B /* 15-bit mode, Columns: 132, Rows: 50 */ |
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| 132 | #define VBE_C132R60 0x10C /* 15-bit mode, Columns: 132, Rows: 60 */ |
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| 133 | |
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| 134 | /* VBE function numbers - passed in AX register */ |
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| 135 | #define VBE_RetVBEConInf 0x4F00 /* Return VBE Controller Information */ |
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| 136 | #define VBE_RetVBEModInf 0x4F01 /* Return VBE Mode Information */ |
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| 137 | #define VBE_SetVBEMod 0x4F02 /* Set VBE Mode */ |
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| 138 | #define VBE_RetCurVBEMod 0x4F03 /* Return Current VBE Mode */ |
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| 139 | #define VBE_SavResSta 0x4F04 /* Save/Restore State */ |
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| 140 | #define VBE_DisWinCon 0x4F05 /* Display Window Control */ |
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| 141 | #define VBE_SetGetLogScaLinLen 0x4F06 /* Set/Get Logical Scan Line Length */ |
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| 142 | #define VBE_SetGetDisSta 0x4F07 /* Set/Get Display Start */ |
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| 143 | #define VBE_SetGetDACPalFor 0x4F08 /* Set/Get DAC Palette Format */ |
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| 144 | #define VBE_SetGetPalDat 0x4F09 /* Set/Get Palette Data */ |
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| 145 | #define VBE_RetVBEProModInt 0x4F0A /* Return VBE Protected Mode Interface */ |
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| 146 | #define VBE_GetSetpixclo 0x4F0B /* Get/Set pixel clock */ |
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| 147 | #define VBE_PowManExt 0x4F10 /* Power Management Extensions (PM) */ |
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| 148 | #define VBE_FlaPanIntExt 0x4F11 /* Flat Panel Interface Extensions (FP) */ |
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| 149 | #define VBE_AudIntExt 0x4F13 /* Audio Interface Extensions (AI) */ |
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| 150 | #define VBE_OEMExt 0x4F14 /* OEM Extensions */ |
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| 151 | #define VBE_DisDatCha 0x4F15 /* Display Data Channel (DDC), |
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| 152 | Serial Control Interface (SCI) */ |
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| 153 | |
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| 154 | /* VBE subfunction numbers - passed in BL register */ |
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| 155 | #define VBE_RetVBESupSpeInf 0x00 /* Return VBE Supplemental |
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| 156 | Specification Information */ |
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| 157 | /* *** Structures *** */ |
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[d78eac6] | 158 | typedef struct { |
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[c5a74946] | 159 | uint16_t offset; |
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| 160 | uint16_t selector; |
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[d78eac6] | 161 | } RTEMS_COMPILER_PACKED_ATTRIBUTE VBE_far_pointer; |
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[c5a74946] | 162 | |
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[d78eac6] | 163 | typedef struct { |
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[c5a74946] | 164 | uint8_t Signature[4]; /* PM Info Block Signature */ |
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| 165 | uint16_t EntryPoint; /* Offset of PM entry point within BIOS */ |
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| 166 | uint16_t PMInitialize; /* Offset of PM initialization entry point */ |
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| 167 | uint16_t BIOSDataSel; /* Selector to BIOS data area emulation block */ |
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| 168 | uint16_t A0000Sel; /* Selector to access A0000h physical mem */ |
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| 169 | uint16_t B0000Sel; /* Selector to access B0000h physical mem */ |
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| 170 | uint16_t B8000Sel; /* Selector to access B8000h physical mem */ |
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| 171 | uint16_t CodeSegSel; /* Selector to access code segment as data */ |
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| 172 | uint8_t InProtectMode; /* Set to 1 when in protected mode */ |
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| 173 | uint8_t Checksum; /* Checksum byte for structure */ |
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[d78eac6] | 174 | } RTEMS_COMPILER_PACKED_ATTRIBUTE VBE_protected_mode_info_block; |
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[c5a74946] | 175 | |
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| 176 | /* General VBE signature */ |
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| 177 | #define VBE_SIGNATURE "VESA" |
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| 178 | /* Signature for VBE 2.0 and higher */ |
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| 179 | #define VBE20plus_SIGNATURE "VBE2" |
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| 180 | /* for STUB see VBE CORE FUNCTIONS VERSION 3.0 - Appendix 1 */ |
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| 181 | #define VBE_END_OF_VideoModeList 0xFFFF |
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| 182 | #define VBE_STUB_VideoModeList 0xFFFF |
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[d78eac6] | 183 | typedef struct { |
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[c5a74946] | 184 | uint8_t VbeSignature[4]; /* VBE Signature */ |
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| 185 | uint16_t VbeVersion; /* VBE Version */ |
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| 186 | uint8_t *OemStringPtr; /* VbeFarPtr to OEM String */ |
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| 187 | uint8_t Capabilities[4]; /* Capabilities of graphics controller */ |
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| 188 | uint32_t *VideoModePtr; /* VbeFarPtr to VideoModeList */ |
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| 189 | uint16_t TotalMemory; /* Number of 64kb memory blocks */ |
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| 190 | /* Added for VBE 2.0+ */ |
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| 191 | uint16_t OemSoftwareRev; /* VBE implementation Software revision */ |
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| 192 | uint8_t *OemVendorNamePtr; /* VbeFarPtr to Vendor Name String */ |
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| 193 | uint8_t *OemProductNamePtr; /* VbeFarPtr to Product Name String */ |
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| 194 | uint8_t *OemProductRevPtr; /* VbeFarPtr to Product Revision String */ |
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| 195 | uint8_t Reserved[222]; /* Reserved for VBE implementation scratch */ |
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| 196 | /* area */ |
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| 197 | uint8_t OemData[256]; /* Data Area for OEM Strings */ |
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[d78eac6] | 198 | } RTEMS_COMPILER_PACKED_ATTRIBUTE VBE_vbe_info_block; |
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[c5a74946] | 199 | |
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[d78eac6] | 200 | typedef struct { |
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[c5a74946] | 201 | /* Mandatory information for all VBE revisions */ |
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| 202 | uint16_t ModeAttributes; /* mode attributes */ |
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| 203 | uint8_t WinAAttributes; /* window A attributes */ |
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| 204 | uint8_t WinBAttributes; /* window B attributes */ |
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| 205 | uint16_t WinGranularity; /* window granularity */ |
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| 206 | uint16_t WinSize; /* window size */ |
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| 207 | uint16_t WinASegment; /* window A start segment */ |
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| 208 | uint16_t WinBSegment; /* window B start segment */ |
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| 209 | uint32_t *WinFuncPtr; /* real mode pointer to window function */ |
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| 210 | uint16_t BytesPerScanLine; /* bytes per scan line */ |
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| 211 | /* Mandatory information for VBE 1.2 and above */ |
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| 212 | uint16_t XResolution; /* horizontal resolution in px or chars */ |
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| 213 | uint16_t YResolution; /* vertical resolution in px or chars */ |
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| 214 | uint8_t XCharSize; /* character cell width in pixels */ |
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| 215 | uint8_t YCharSize; /* character cell height in pixels */ |
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| 216 | uint8_t NumberOfPlanes; /* number of memory planes */ |
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| 217 | uint8_t BitsPerPixel; /* bits per pixel */ |
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| 218 | uint8_t NumberOfBanks; /* number of banks */ |
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| 219 | uint8_t MemoryModel; /* memory model type */ |
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| 220 | uint8_t BankSize; /* bank size in KB */ |
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| 221 | uint8_t NumberOfImagePages; /* number of images */ |
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| 222 | uint8_t Reserved0; /* reserved for page function */ |
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| 223 | /* Direct Color fields (required for direct/6 and YUV/7 memory models) */ |
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| 224 | uint8_t RedMaskSize; /* size of direct color red mask in bits */ |
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| 225 | uint8_t RedFieldPosition; /* bit position of lsb of red mask */ |
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| 226 | uint8_t GreenMaskSize; /* size of direct color green mask in b */ |
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| 227 | uint8_t GreenFieldPosition; /* bit position of lsb of green mask */ |
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| 228 | uint8_t BlueMaskSize; /* size of direct color blue mask in b */ |
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| 229 | uint8_t BlueFieldPosition; /* bit position of lsb of blue mask */ |
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| 230 | uint8_t RsvdMaskSize; /* size of direct color reserved mask */ |
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| 231 | uint8_t RsvdFieldPosition; /* bit position of lsb of reserved mask */ |
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| 232 | uint8_t DirectColorModeInfo; /* direct color mode attributes */ |
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| 233 | /* Mandatory information for VBE 2.0 and above */ |
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| 234 | uint32_t *PhysBasePtr; /* physical address for |
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| 235 | flat memory frame buffer */ |
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| 236 | uint32_t Reserved1; /* Reserved - always set to 0 */ |
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| 237 | uint16_t Reserved2; /* Reserved - always set to 0 */ |
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| 238 | /* Mandatory information for VBE 3.0 and above */ |
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| 239 | uint16_t LinBytesPerScanLine; /* bytes per scan line for linear modes */ |
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| 240 | uint8_t BnkNumberOfImagePages; /* number of images for banked modes */ |
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| 241 | uint8_t LinNumberOfImagePages; /* number of images for linear modes */ |
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| 242 | /* linear modes */ |
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| 243 | uint8_t LinRedMaskSize; /* size of direct color red mask */ |
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| 244 | uint8_t LinRedFieldPosition; /* bit position of lsb of red mask */ |
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| 245 | uint8_t LinGreenMaskSize; /* size of direct color green mask */ |
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| 246 | uint8_t LinGreenFieldPosition; /* bit position of lsb of green mask */ |
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| 247 | uint8_t LinBlueMaskSize; /* size of direct color blue mask */ |
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| 248 | uint8_t LinBlueFieldPosition; /* bit position of lsb of blue mask */ |
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| 249 | uint8_t LinRsvdMaskSize; /* size of direct color reserved mask */ |
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| 250 | uint8_t LinRsvdFieldPosition; /* bit position of lsb of reserved mask */ |
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| 251 | uint32_t MaxPixelClock; /* maximum pixel clock |
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| 252 | (in Hz) for graphics mode */ |
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| 253 | uint8_t Reserved3[189]; /* remainder of ModeInfoBlock */ |
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[d78eac6] | 254 | } RTEMS_COMPILER_PACKED_ATTRIBUTE VBE_mode_info_block; |
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[c5a74946] | 255 | |
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[d78eac6] | 256 | typedef struct { |
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[c5a74946] | 257 | uint16_t HorizontalTotal; /* Horizontal total in pixels */ |
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| 258 | uint16_t HorizontalSyncStart; /* Horizontal sync start in pixels */ |
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| 259 | uint16_t HorizontalSyncEnd; /* Horizontal sync end in pixels */ |
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| 260 | uint16_t VerticalTotal; /* Vertical total in lines */ |
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| 261 | uint16_t VerticalSyncStart; /* Vertical sync start in lines */ |
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| 262 | uint16_t VerticalSyncEnd; /* Vertical sync end in lines */ |
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| 263 | uint8_t Flags; /* Flags (Interlaced, Double Scan etc) */ |
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| 264 | uint32_t PixelClock; /* Pixel clock in units of Hz */ |
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| 265 | uint16_t RefreshRate; /* Refresh rate in units of 0.01 Hz */ |
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| 266 | uint8_t Reserved[40]; /* remainder of ModeInfoBlock */ |
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[d78eac6] | 267 | } RTEMS_COMPILER_PACKED_ATTRIBUTE VBE_CRTC_info_block; |
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[c5a74946] | 268 | |
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[d78eac6] | 269 | typedef struct { |
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[c5a74946] | 270 | uint8_t Blue; /* Blue channel value (6 or 8 bits) */ |
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| 271 | uint8_t Green; /* Green channel value (6 or 8 bits) */ |
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| 272 | uint8_t Red; /* Red channel value(6 or 8 bits) */ |
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| 273 | uint8_t Alignment; /* DWORD alignment byte (unused) */ |
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[d78eac6] | 274 | } RTEMS_COMPILER_PACKED_ATTRIBUTE VBE_palette_entry; |
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[c5a74946] | 275 | |
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[d78eac6] | 276 | typedef struct { |
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[c5a74946] | 277 | uint8_t SupVbeSignature[7]; /* Supplemental VBE Signature */ |
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| 278 | uint16_t SupVbeVersion; /* Supplemental VBE Version */ |
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| 279 | uint8_t SupVbeSubFunc[8]; /* Bitfield of supported subfunctions */ |
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| 280 | uint16_t OemSoftwareRev; /* OEM Software revision */ |
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| 281 | uint8_t *OemVendorNamePtr; /* VbeFarPtr to Vendor Name String */ |
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| 282 | uint8_t *OemProductNamePtr; /* VbeFarPtr to Product Name String */ |
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| 283 | uint8_t *OemProductRevPtr; /* VbeFarPtr to Product Revision String */ |
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| 284 | uint8_t *OemStringPtr; /* VbeFarPtr to OEM String */ |
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| 285 | uint8_t Reserved[221]; /* Reserved for description |
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| 286 | strings and future */ |
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| 287 | /* expansion */ |
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[d78eac6] | 288 | } RTEMS_COMPILER_PACKED_ATTRIBUTE VBE_supplemental_vbe_info_block; |
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[c5a74946] | 289 | |
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| 290 | /* VbeInfoBlock Capabilities */ |
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| 291 | /* D0 = 0 DAC is fixed width, with 6 bits per primary color */ |
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| 292 | /* = 1 DAC width is switchable to 8 bits per primary color */ |
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| 293 | #define VBE_DACswitchableMask 0x0001 |
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| 294 | /* D1 = 0 Controller is VGA compatible */ |
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| 295 | /* = 1 Controller is not VGA compatible */ |
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| 296 | #define VBE_notVGAcompatibleMask 0x0002 |
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| 297 | /* D2 = 0 Normal RAMDAC operation */ |
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| 298 | /* = 1 When programming large blocks of information to the RAMDAC, |
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| 299 | use the blank bit in Function 09h. */ |
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| 300 | #define VBE_specialRAMDACopMask 0x0004 |
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| 301 | /* D3 = 0 No hardware stereoscopic signaling support */ |
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| 302 | /* = 1 Hardware stereoscopic signaling supported by controller */ |
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| 303 | #define VBE_hwStereoscopicMask 0x0008 |
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| 304 | /* D4 = 0 Stereo signaling supported via external VESA stereo connector */ |
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| 305 | /* = 1 Stereo signaling supported via VESA EVC connector */ |
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| 306 | #define VBE_supportEVCconnMask 0x0010 |
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| 307 | /* D5-31 = Reserved */ |
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| 308 | |
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| 309 | /* ModeInfoBlock ModeAttributes */ |
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| 310 | /* D0 = Mode supported by hardware configuration */ |
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| 311 | /* 0 = Mode not supported in hardware */ |
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| 312 | /* 1 = Mode supported in hardware */ |
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| 313 | #define VBE_modSupInHWMask 0x0001 |
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| 314 | /* D1 = 1 (Reserved) */ |
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| 315 | /* D2 = TTY Output functions supported by BIOS */ |
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| 316 | /* 0 = TTY Output functions not supported by BIOS */ |
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| 317 | /* 1 = TTY Output functions supported by BIOS */ |
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| 318 | #define VBE_TTYOutSupByBIOSMask 0x0004 |
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| 319 | /* D3 = Monochrome/color mode (see note below) */ |
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| 320 | /* 0 = Monochrome mode */ |
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| 321 | /* 1 = Color mode */ |
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| 322 | #define VBE_ColorModeMask 0x0008 |
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| 323 | /* D4 = Mode type */ |
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| 324 | /* 0 = Text mode */ |
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| 325 | /* 1 = Graphics mode */ |
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| 326 | #define VBE_GraphicsModeMask 0x0010 |
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| 327 | /* D5 = VGA compatible mode */ |
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| 328 | /* 0 = Yes */ |
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| 329 | /* 1 = No */ |
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| 330 | #define VBE_VGACompModeMask 0x0020 |
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| 331 | /* D6 = VGA compatible windowed memory mode is available */ |
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| 332 | /* 0 = Yes */ |
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| 333 | /* 1 = No */ |
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| 334 | #define VBE_VGACompWinMemModeMask 0x0040 |
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| 335 | /* D7 = Linear frame buffer mode is available */ |
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| 336 | /* 0 = No */ |
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| 337 | /* 1 = Yes */ |
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| 338 | #define VBE_LinFraBufModeAvaiMask 0x0080 |
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| 339 | /* D8 = Double scan mode is available */ |
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| 340 | /* 0 = No */ |
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| 341 | /* 1 = Yes */ |
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| 342 | #define VBE_DblScnModeAvaiMask 0x0100 |
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| 343 | /* D9 = Interlaced mode is available */ |
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| 344 | /* 0 = No */ |
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| 345 | /* 1 = Yes */ |
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| 346 | #define VBE_InterlModeAvaiMask 0x0200 |
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| 347 | /* D10 = Hardware triple buffering support */ |
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| 348 | /* 0 = No */ |
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| 349 | /* 1 = Yes */ |
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| 350 | #define VBE_HWTripBufSupMask 0x0400 |
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| 351 | /* D11 = Hardware stereoscopic display support */ |
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| 352 | /* 0 = No */ |
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| 353 | /* 1 = Yes */ |
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| 354 | #define VBE_HWSterDispSupMask 0x0800 |
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| 355 | /* D12 = Dual display start address support */ |
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| 356 | /* 0 = No */ |
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| 357 | /* 1 = Yes */ |
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| 358 | #define VBE_DualDispStAdrSupMask 0x1000 |
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| 359 | /* D13-D15 = Reserved */ |
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| 360 | |
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| 361 | /* ModeInfoBlock WinXAttributes */ |
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| 362 | /* D0 = Relocatable window(s) supported */ |
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| 363 | /* 0 = Single non-relocatable window only */ |
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| 364 | /* 1 = Relocatable window(s) are supported */ |
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| 365 | #define VBE_RelocWinSupMask 0x01 |
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| 366 | /* D1 = Window readable */ |
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| 367 | /* 0 = Window is not readable */ |
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| 368 | /* 1 = Window is readable */ |
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| 369 | #define VBE_WinReadableMask 0x02 |
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| 370 | /* D2 = Window writeable */ |
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| 371 | /* 0 = Window is not writeable */ |
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| 372 | /* 1 = Window is writeable */ |
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| 373 | #define VBE_WinWritableMask 0x04 |
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| 374 | /* D3-D7 = Reserved */ |
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| 375 | |
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| 376 | /* ModeInfoBlock MemoryModel */ |
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| 377 | #define VBE_TextMode 0x00 |
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| 378 | #define VBE_CGAGraphics 0x01 |
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| 379 | #define VBE_HerculesGraphics 0x02 |
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| 380 | #define VBE_Planar 0x03 |
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| 381 | #define VBE_PackedPixel 0x04 |
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| 382 | #define VBE_NonChain4Color256 0x05 |
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| 383 | #define VBE_DirectColor 0x06 |
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| 384 | #define VBE_YUV 0x07 |
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| 385 | /* 0x08-0x0F Reserved, to be defined by VESA */ |
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| 386 | /* 0x10-0xFF To be defined by OEM */ |
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| 387 | |
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| 388 | /* ModeInfoBlock DirectColorModeInfo */ |
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| 389 | /* D0 = Color ramp is fixed/programmable */ |
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| 390 | /* 0 = Color ramp is fixed */ |
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| 391 | /* 1 = Color ramp is programmable */ |
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| 392 | #define VBE_ColRampProgMask 0x01 |
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| 393 | /* D1 = Bits in Rsvd field are usable/reserved */ |
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| 394 | /* 0 = Bits in Rsvd field are reserved */ |
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| 395 | /* 1 = Bits in Rsvd field are usable by the application */ |
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| 396 | #define VBE_RsvdBitsUsableMask 0x02 |
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| 397 | |
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| 398 | /* CRTCInfoBlock Flags */ |
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| 399 | /* D0 = Double Scan Mode Enable */ |
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| 400 | /* 0 = Graphics mode is not double scanned */ |
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| 401 | /* 1 = Graphics mode is double scanned */ |
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| 402 | #define VBE_GrModeDblScanMask 0x01 |
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| 403 | /* D1 = Interlaced Mode Enable */ |
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| 404 | /* 0 = Graphics mode is non-interlaced */ |
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| 405 | /* 1 = Graphics mode is interlaced */ |
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| 406 | #define VBE_GrModeInterlMask 0x02 |
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| 407 | /* D2 = Horizontal sync polarity */ |
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| 408 | /* 0 = Horizontal sync polarity is positive (+) */ |
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| 409 | /* 1 = Horizontal sync polarity is negative (-) */ |
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| 410 | #define VBE_HorSncPolNegMask 0x04 |
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| 411 | /* D3 = Vertical sync polarity */ |
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| 412 | /* 0 = Vertical sync polarity is positive (+) */ |
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| 413 | /* 1 = Vertical sync polarity is negative (-) */ |
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| 414 | #define VBE_VerSncPolNegMask 0x08 |
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| 415 | |
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| 416 | |
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| 417 | /* VESA BIOS Extensions/Display Data Channel Standard |
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| 418 | Version: 1.1 November 18, 1999 */ |
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| 419 | |
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| 420 | /* VBE/DDC subfunction numbers - passed in BL register */ |
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| 421 | #define VBEDDC_Capabilities 0x0 /* Report VBE/DDC Capabilities */ |
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| 422 | #define VBEDDC_ReadEDID 0x1 /* Read EDID */ |
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| 423 | |
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| 424 | /* DDC Capabilities */ |
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| 425 | /* DDC level supported - returned in BL register */ |
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| 426 | /* 0 - DDC1 not supported; 1 - DDC1 supported */ |
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| 427 | #define VBEDDC_1SupportedMask 0x1 |
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| 428 | /* 0 - DDC2 not supported; 1 - DDC2 supported */ |
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| 429 | #define VBEDDC_2SupportedMask 0x2 |
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| 430 | /* 0 - Screen not blanked during data transfer; |
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| 431 | 1 - Screen blanked during data transfer */ |
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| 432 | #define VBEDDC_scrBlnkDatTrMs 0x4 |
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| 433 | |
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| 434 | |
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| 435 | /* VESA BIOS Extensions/Serial Control Interface Standard |
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| 436 | Version: 1.0 Revision: 2 Date: July 2, 1997 */ |
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| 437 | |
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| 438 | /* VBE/SCI subfunction numbers - passed in BL register */ |
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| 439 | #define VBESCI_ReportCapabil 0x10 /* Report VBE/SCI Capabilities */ |
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| 440 | #define VBESCI_BegSCLSDACtrl 0x11 /* Begin SCL/SDA control */ |
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| 441 | #define VBESCI_EndSCLSDACtrl 0x12 /* End SCL/SDA control */ |
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| 442 | #define VBESCI_WrtSCLClkLine 0x13 /* Write SCL clock line */ |
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| 443 | #define VBESCI_WrtSDADatLine 0x14 /* Write SDA data line */ |
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| 444 | #define VBESCI_RdySCLClkLine 0x15 /* Read SCL clock line */ |
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| 445 | #define VBESCI_RdySDADatLine 0x16 /* Read SDA data line */ |
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| 446 | |
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| 447 | /* SCI Capabilities */ |
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| 448 | /* I2C level supported - returned in BL register */ |
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| 449 | #define VBESCI_capSCLwrtMask 0x1 /* Can write to SCL clock line */ |
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| 450 | #define VBESCI_capSDAwrtMask 0x2 /* Can write to SDA data line */ |
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| 451 | #define VBESCI_capSCLrdyMask 0x4 /* Can read from SCL clock line */ |
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| 452 | #define VBESCI_capSDArdyMask 0x8 /* Can read from SDA data line */ |
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| 453 | |
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| 454 | |
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| 455 | #ifdef __cplusplus |
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| 456 | } |
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| 457 | #endif /* __cplusplus */ |
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| 458 | |
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| 459 | #endif /* ASM */ |
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| 460 | |
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| 461 | #endif /* _VBE_H */ |
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