[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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[038e1dba] | 7 | * |
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| 8 | * This file contains definitions for constants related to VBE. |
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| 9 | * More information can be found at |
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| 10 | * <http://www.vesa.org/vesa-standards/free-standards/>. |
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| 11 | * VESA public standards may be found at |
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| 12 | * <http://www.vesa.org/wp-content/uploads/2010/12/thankspublic.htm>. |
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[c5a74946] | 13 | */ |
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| 14 | |
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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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[038e1dba] | 40 | /** AL == 4Fh: Function is supported \n |
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| 41 | * AL != 4Fh: Function is not supported */ |
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[c5a74946] | 42 | #define VBE_functionSupported 0x4F |
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[038e1dba] | 43 | /** AH == 00h: Function call successful */ |
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[c5a74946] | 44 | #define VBE_callSuccessful 0x00 |
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[038e1dba] | 45 | /** AH == 01h: Function call failed */ |
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[c5a74946] | 46 | #define VBE_callFailed 0x01 |
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[038e1dba] | 47 | /** AH == 02h: Function is not supported in the current hardware configuration*/ |
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[c5a74946] | 48 | #define VBE_notSupportedInCurHWConf 0x02 |
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[038e1dba] | 49 | /** AH == 03h: Function call invalid in current video mode */ |
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[c5a74946] | 50 | #define VBE_callInvalid 0x03 |
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| 51 | |
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| 52 | /* VBE Mode Numbers */ |
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[038e1dba] | 53 | /** D0-D8 = Mode number */ |
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[c5a74946] | 54 | #define VBE_modeNumberMask 0x01FF |
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| 55 | #define VBE_modeNumberShift 0x00 |
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[038e1dba] | 56 | /** If D8 == 0, this is not a VESA defined VBE mode \n |
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| 57 | If D8 == 1, this is a VESA defined VBE mode */ |
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[c5a74946] | 58 | #define VBE_VESAmodeMask 0x0100 |
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| 59 | #define VBE_VESAmodeShift 0x08 |
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[038e1dba] | 60 | /* D9-D10 = Reserved by VESA for future expansion (= 0) */ |
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| 61 | /** If D11 == 0, Use current BIOS default refresh rate \n |
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| 62 | If D11 == 1, Use user specified CRTC values for refresh rate */ |
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[c5a74946] | 63 | #define VBE_refreshRateCtrlMask 0x0800 |
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| 64 | #define VBE_refreshRateCtrlShift 0x0B |
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[038e1dba] | 65 | /* D12-13 = Reserved for VBE/AF (must be 0) */ |
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| 66 | /** If D14 == 0, Use Banked/Windowed Frame Buffer \n |
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| 67 | If D14 == 1, Use Linear/Flat Frame Buffer */ |
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[c5a74946] | 68 | #define VBE_linearFlatFrameBufMask 0x4000 |
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| 69 | #define VBE_linearFlatFrameBufShift 0x0E |
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[038e1dba] | 70 | /** If D15 == 0, Clear display memory \n |
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| 71 | If D15 == 1, Preserve display memory */ |
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[c5a74946] | 72 | #define VBE_preserveDispMemMask 0x8000 |
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| 73 | #define VBE_preserveDispMemShift 0x0F |
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| 74 | |
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| 75 | /* Graphics modes */ |
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[038e1dba] | 76 | /** 15-bit mode, Resolution: 640x400, Colors: 256 */ |
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[c5a74946] | 77 | #define VBE_R640x400C256 0x100 |
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[038e1dba] | 78 | /** 15-bit mode, Resolution: 640x480, Colors: 256 */ |
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[c5a74946] | 79 | #define VBE_R640x480C256 0x101 |
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[038e1dba] | 80 | /** 15-bit mode, Resolution: 800x600, Colors: 16 */ |
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[c5a74946] | 81 | #define VBE_R800x600C16 0x102 |
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[038e1dba] | 82 | /** 7-bit mode, Resolution: 800x600, Colors: 16 */ |
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[c5a74946] | 83 | #define VBE_b7R800x600C16 0x6A |
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[038e1dba] | 84 | /** 15-bit mode, Resolution: 800x600, Colors: 256 */ |
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[c5a74946] | 85 | #define VBE_R800x600C256 0x103 |
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[038e1dba] | 86 | /** 15-bit mode, Resolution: 1024x768, Colors: 16 */ |
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[c5a74946] | 87 | #define VBE_R1024x768C16 0x104 |
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[038e1dba] | 88 | /** 15-bit mode, Resolution: 1024x768, Colors: 256 */ |
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[c5a74946] | 89 | #define VBE_R1024x768C256 0x105 |
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[038e1dba] | 90 | /** 15-bit mode, Resolution: 1280x1024, Colors: 16 */ |
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[c5a74946] | 91 | #define VBE_R1280x1024C16 0x106 |
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[038e1dba] | 92 | /** 15-bit mode, Resolution: 1280x1024, Colors: 256 */ |
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[c5a74946] | 93 | #define VBE_R1280x1024C256 0x107 |
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[038e1dba] | 94 | /** 15-bit mode, Resolution: 320x200, Colors: 32K (1:5:5:5) */ |
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[c5a74946] | 95 | #define VBE_R320x200C32K 0x10D |
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[038e1dba] | 96 | /** 15-bit mode, Resolution: 320x200, Colors: 64K (5:6:5) */ |
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[c5a74946] | 97 | #define VBE_R320x200C64K 0x10E |
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[038e1dba] | 98 | /** 15-bit mode, Resolution: 320x200, Colors: 16.8M (8:8:8) */ |
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[c5a74946] | 99 | #define VBE_R320x200C17M 0x10F |
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[038e1dba] | 100 | /** 15-bit mode, Resolution: 640x480, Colors: 32K (1:5:5:5) */ |
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[c5a74946] | 101 | #define VBE_R640x480C32K 0x110 |
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[038e1dba] | 102 | /** 15-bit mode, Resolution: 640x480, Colors: 64K (5:6:5) */ |
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[c5a74946] | 103 | #define VBE_R640x480C64K 0x111 |
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[038e1dba] | 104 | /** 15-bit mode, Resolution: 640x480, Colors: 16.8M (8:8:8) */ |
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[c5a74946] | 105 | #define VBE_R640x480C17M 0x112 |
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[038e1dba] | 106 | /** 15-bit mode, Resolution: 800x600, Colors: 32K (1:5:5:5) */ |
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[c5a74946] | 107 | #define VBE_R800x600C32K 0x113 |
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[038e1dba] | 108 | /** 15-bit mode, Resolution: 800x600, Colors: 64K (5:6:5) */ |
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[c5a74946] | 109 | #define VBE_R800x600C64K 0x114 |
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[038e1dba] | 110 | /** 15-bit mode, Resolution: 800x600, Colors: 16.8M (8:8:8) */ |
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[c5a74946] | 111 | #define VBE_R800x600C17M 0x115 |
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[038e1dba] | 112 | /** 15-bit mode, Resolution: 1024x768, Colors: 32K (1:5:5:5) */ |
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[c5a74946] | 113 | #define VBE_R1024x768C32K 0x116 |
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[038e1dba] | 114 | /** 15-bit mode, Resolution: 1024x768, Colors: 64K (5:6:5) */ |
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[c5a74946] | 115 | #define VBE_R1024x768C64K 0x117 |
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[038e1dba] | 116 | /** 15-bit mode, Resolution: 1024x768, Colors: 16.8M (8:8:8) */ |
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[c5a74946] | 117 | #define VBE_R1024x768C17M 0x118 |
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[038e1dba] | 118 | /** 15-bit mode, Resolution: 1280x1024, Colors: 32K (1:5:5:5) */ |
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[c5a74946] | 119 | #define VBE_R1280x1024C32K 0x119 |
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[038e1dba] | 120 | /** 15-bit mode, Resolution: 1280x1024, Colors: 64K (5:6:5) */ |
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[c5a74946] | 121 | #define VBE_R1280x1024C64K 0x11A |
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[038e1dba] | 122 | /** 15-bit mode, Resolution: 1280x1024, Colors: 16.8M (8:8:8) */ |
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[c5a74946] | 123 | #define VBE_R1280x1024C17M 0x11B |
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| 124 | #define VBE_SpecialMode 0x81FF |
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| 125 | |
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| 126 | /* Text modes */ |
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[038e1dba] | 127 | #define VBE_C80R60 0x108 /**< 15-bit mode, Columns: 80, Rows: 60 */ |
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| 128 | #define VBE_C132R25 0x109 /**< 15-bit mode, Columns: 132, Rows: 25 */ |
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| 129 | #define VBE_C132R43 0x10A /**< 15-bit mode, Columns: 132, Rows: 43 */ |
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| 130 | #define VBE_C132R50 0x10B /**< 15-bit mode, Columns: 132, Rows: 50 */ |
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| 131 | #define VBE_C132R60 0x10C /**< 15-bit mode, Columns: 132, Rows: 60 */ |
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[c5a74946] | 132 | |
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| 133 | /* VBE function numbers - passed in AX register */ |
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[038e1dba] | 134 | /** VBE function - Return VBE Controller Information */ |
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| 135 | #define VBE_RetVBEConInf 0x4F00 |
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| 136 | /** VBE function - Return VBE Mode Information */ |
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| 137 | #define VBE_RetVBEModInf 0x4F01 |
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| 138 | /** VBE function - Set VBE Mode */ |
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| 139 | #define VBE_SetVBEMod 0x4F02 |
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| 140 | /** VBE function - Return Current VBE Mode */ |
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| 141 | #define VBE_RetCurVBEMod 0x4F03 |
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| 142 | /** VBE function - Save/Restore State */ |
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| 143 | #define VBE_SavResSta 0x4F04 |
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| 144 | /** VBE function - Display Window Control */ |
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| 145 | #define VBE_DisWinCon 0x4F05 |
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| 146 | /** VBE function - Set/Get Logical Scan Line Length */ |
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| 147 | #define VBE_SetGetLogScaLinLen 0x4F06 |
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| 148 | /** VBE function - Set/Get Display Start */ |
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| 149 | #define VBE_SetGetDisSta 0x4F07 |
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| 150 | /** VBE function - Set/Get DAC Palette Format */ |
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| 151 | #define VBE_SetGetDACPalFor 0x4F08 |
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| 152 | /** VBE function - Set/Get Palette Data */ |
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| 153 | #define VBE_SetGetPalDat 0x4F09 |
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| 154 | /** VBE function - Return VBE Protected Mode Interface */ |
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| 155 | #define VBE_RetVBEProModInt 0x4F0A |
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| 156 | /** VBE function - Get/Set pixel clock */ |
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| 157 | #define VBE_GetSetpixclo 0x4F0B |
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| 158 | /** VBE function - Power Management Extensions (PM) */ |
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| 159 | #define VBE_PowManExt 0x4F10 |
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| 160 | /** VBE function - Flat Panel Interface Extensions (FP) */ |
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| 161 | #define VBE_FlaPanIntExt 0x4F11 |
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| 162 | /** VBE function - Audio Interface Extensions (AI) */ |
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| 163 | #define VBE_AudIntExt 0x4F13 |
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| 164 | /** VBE function - OEM Extensions */ |
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| 165 | #define VBE_OEMExt 0x4F14 |
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| 166 | /** VBE function - Display Data Channel (DDC), Serial Control Interface (SCI) */ |
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| 167 | #define VBE_DisDatCha 0x4F15 |
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[c5a74946] | 168 | |
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| 169 | /* VBE subfunction numbers - passed in BL register */ |
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[038e1dba] | 170 | #define VBE_RetVBESupSpeInf 0x00 /**< Return VBE Supplemental |
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| 171 | * Specification Information */ |
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[c5a74946] | 172 | /* *** Structures *** */ |
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[038e1dba] | 173 | /** |
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| 174 | * @brief Far pointer as defined by VBE standard. |
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| 175 | */ |
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[d78eac6] | 176 | typedef struct { |
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[038e1dba] | 177 | /** @brief Offset to segment described by \a selector. */ |
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[c5a74946] | 178 | uint16_t offset; |
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[038e1dba] | 179 | /** @brief Selector or Segment depending on whether this is used from 16bit |
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| 180 | protected mode or from real mode. */ |
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[c5a74946] | 181 | uint16_t selector; |
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[d78eac6] | 182 | } RTEMS_COMPILER_PACKED_ATTRIBUTE VBE_far_pointer; |
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[c5a74946] | 183 | |
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[038e1dba] | 184 | /** |
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| 185 | * @brief Protected mode info block as defined by VBE standard. |
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| 186 | */ |
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[d78eac6] | 187 | typedef struct { |
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[038e1dba] | 188 | /** PM Info Block Signature */ |
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| 189 | uint8_t Signature[4]; |
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| 190 | /** Offset of PM entry point within BIOS */ |
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| 191 | uint16_t EntryPoint; |
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| 192 | /** Offset of PM initialization entry point */ |
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| 193 | uint16_t PMInitialize; |
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| 194 | /** Selector to BIOS data area emulation block */ |
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| 195 | uint16_t BIOSDataSel; |
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| 196 | /** Selector to access A0000h physical memmory */ |
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| 197 | uint16_t A0000Sel; |
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| 198 | /** Selector to access B0000h physical memmory */ |
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| 199 | uint16_t B0000Sel; |
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| 200 | /** Selector to access B8000h physical memmory */ |
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| 201 | uint16_t B8000Sel; |
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| 202 | /** Selector to access code segment as data */ |
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| 203 | uint16_t CodeSegSel; |
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| 204 | /** Set to 1 when in protected mode */ |
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| 205 | uint8_t InProtectMode; |
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| 206 | /** Checksum byte for structure. Sum over all structure bytes gives 0. */ |
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| 207 | uint8_t Checksum; |
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[d78eac6] | 208 | } RTEMS_COMPILER_PACKED_ATTRIBUTE VBE_protected_mode_info_block; |
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[c5a74946] | 209 | |
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[038e1dba] | 210 | /** General VBE signature */ |
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[c5a74946] | 211 | #define VBE_SIGNATURE "VESA" |
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[038e1dba] | 212 | /** Signature for VBE 2.0 and higher */ |
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[c5a74946] | 213 | #define VBE20plus_SIGNATURE "VBE2" |
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[038e1dba] | 214 | /** for STUB see VBE CORE FUNCTIONS VERSION 3.0 - Appendix 1 */ |
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[c5a74946] | 215 | #define VBE_STUB_VideoModeList 0xFFFF |
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[038e1dba] | 216 | #define VBE_END_OF_VideoModeList 0xFFFF |
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| 217 | /** |
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| 218 | * @brief Information about VBE implementation. |
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| 219 | */ |
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[d78eac6] | 220 | typedef struct { |
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[038e1dba] | 221 | /** VBE Signature */ |
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| 222 | uint8_t VbeSignature[4]; |
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| 223 | /** VBE Version */ |
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| 224 | uint16_t VbeVersion; |
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| 225 | /** VBE_far_pointer to OEM String */ |
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| 226 | uint8_t *OemStringPtr; |
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| 227 | /** Capabilities of graphics controller */ |
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| 228 | uint8_t Capabilities[4]; |
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| 229 | /** VBE_far_pointer to VideoModeList */ |
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| 230 | uint32_t *VideoModePtr; |
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| 231 | /** Number of 64kb memory blocks */ |
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| 232 | uint16_t TotalMemory; |
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[c5a74946] | 233 | /* Added for VBE 2.0+ */ |
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[038e1dba] | 234 | /** VBE implementation Software revision */ |
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| 235 | uint16_t OemSoftwareRev; |
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| 236 | /** VBE_far_pointer to Vendor Name String */ |
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| 237 | uint8_t *OemVendorNamePtr; |
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| 238 | /** VBE_far_pointer to Product Name String */ |
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| 239 | uint8_t *OemProductNamePtr; |
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| 240 | /** VBE_far_pointer to Product Revision String */ |
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| 241 | uint8_t *OemProductRevPtr; |
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| 242 | /** Reserved for VBE implementation scratch */ |
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| 243 | uint8_t Reserved[222]; |
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| 244 | /** Data Area for OEM Strings */ |
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| 245 | uint8_t OemData[256]; |
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[d78eac6] | 246 | } RTEMS_COMPILER_PACKED_ATTRIBUTE VBE_vbe_info_block; |
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[c5a74946] | 247 | |
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[038e1dba] | 248 | /** |
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| 249 | * @brief Describes graphic's mode parameter. |
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| 250 | */ |
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[d78eac6] | 251 | typedef struct { |
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[c5a74946] | 252 | /* Mandatory information for all VBE revisions */ |
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[038e1dba] | 253 | /** mode attributes */ |
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| 254 | uint16_t ModeAttributes; |
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| 255 | /** window A attributes */ |
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| 256 | uint8_t WinAAttributes; |
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| 257 | /** window B attributes */ |
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| 258 | uint8_t WinBAttributes; |
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| 259 | /** window granularity */ |
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| 260 | uint16_t WinGranularity; |
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| 261 | /** window size */ |
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| 262 | uint16_t WinSize; |
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| 263 | /** window A start segment */ |
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| 264 | uint16_t WinASegment; |
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| 265 | /** window B start segment */ |
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| 266 | uint16_t WinBSegment; |
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| 267 | /** real mode pointer to window function */ |
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| 268 | uint32_t *WinFuncPtr; |
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| 269 | /** bytes per scan line */ |
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| 270 | uint16_t BytesPerScanLine; |
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[c5a74946] | 271 | /* Mandatory information for VBE 1.2 and above */ |
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[038e1dba] | 272 | /** horizontal resolution in px or chars */ |
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| 273 | uint16_t XResolution; |
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| 274 | /** vertical resolution in px or chars */ |
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| 275 | uint16_t YResolution; |
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| 276 | /** character cell width in pixels */ |
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| 277 | uint8_t XCharSize; |
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| 278 | /** character cell height in pixels */ |
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| 279 | uint8_t YCharSize; |
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| 280 | /** number of memory planes */ |
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| 281 | uint8_t NumberOfPlanes; |
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| 282 | /** bits per pixel */ |
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| 283 | uint8_t BitsPerPixel; |
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| 284 | /** number of banks */ |
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| 285 | uint8_t NumberOfBanks; |
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| 286 | /** memory model type */ |
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| 287 | uint8_t MemoryModel; |
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| 288 | /** bank size in KB */ |
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| 289 | uint8_t BankSize; |
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| 290 | /** number of images */ |
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| 291 | uint8_t NumberOfImagePages; |
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| 292 | /** reserved for page function */ |
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| 293 | uint8_t Reserved0; |
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[c5a74946] | 294 | /* Direct Color fields (required for direct/6 and YUV/7 memory models) */ |
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[038e1dba] | 295 | /** size of direct color red mask in bits */ |
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| 296 | uint8_t RedMaskSize; |
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| 297 | /** bit position of lsb of red mask */ |
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| 298 | uint8_t RedFieldPosition; |
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| 299 | /** size of direct color green mask in b */ |
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| 300 | uint8_t GreenMaskSize; |
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| 301 | /** bit position of lsb of green mask */ |
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| 302 | uint8_t GreenFieldPosition; |
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| 303 | /** size of direct color blue mask in b */ |
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| 304 | uint8_t BlueMaskSize; |
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| 305 | /** bit position of lsb of blue mask */ |
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| 306 | uint8_t BlueFieldPosition; |
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| 307 | /** size of direct color reserved mask */ |
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| 308 | uint8_t RsvdMaskSize; |
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| 309 | /** bit position of lsb of reserved mask */ |
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| 310 | uint8_t RsvdFieldPosition; |
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| 311 | /** direct color mode attributes */ |
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| 312 | uint8_t DirectColorModeInfo; |
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[c5a74946] | 313 | /* Mandatory information for VBE 2.0 and above */ |
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[038e1dba] | 314 | /** physical address for flat memory frame buffer */ |
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| 315 | uint32_t *PhysBasePtr; |
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| 316 | /** Reserved - always set to 0 */ |
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| 317 | uint32_t Reserved1; |
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| 318 | /** Reserved - always set to 0 */ |
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| 319 | uint16_t Reserved2; |
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[c5a74946] | 320 | /* Mandatory information for VBE 3.0 and above */ |
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[038e1dba] | 321 | /** bytes per scan line for linear modes */ |
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| 322 | uint16_t LinBytesPerScanLine; |
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| 323 | /** number of images for banked modes */ |
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| 324 | uint8_t BnkNumberOfImagePages; |
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| 325 | /** number of images for linear modes */ |
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| 326 | uint8_t LinNumberOfImagePages; |
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[c5a74946] | 327 | /* linear modes */ |
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[038e1dba] | 328 | /** size of direct color red mask */ |
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| 329 | uint8_t LinRedMaskSize; |
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| 330 | /** bit position of lsb of red mask */ |
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| 331 | uint8_t LinRedFieldPosition; |
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| 332 | /** size of direct color green mask */ |
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| 333 | uint8_t LinGreenMaskSize; |
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| 334 | /** bit position of lsb of green mask */ |
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| 335 | uint8_t LinGreenFieldPosition; |
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| 336 | /** size of direct color blue mask */ |
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| 337 | uint8_t LinBlueMaskSize; |
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| 338 | /** bit position of lsb of blue mask */ |
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| 339 | uint8_t LinBlueFieldPosition; |
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| 340 | /** size of direct color reserved mask */ |
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| 341 | uint8_t LinRsvdMaskSize; |
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| 342 | /** bit position of lsb of reserved mask */ |
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| 343 | uint8_t LinRsvdFieldPosition; |
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| 344 | /** maximum pixel clock (in Hz) for graphics mode */ |
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| 345 | uint32_t MaxPixelClock; |
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| 346 | /** remainder of VBE_mode_info_block */ |
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| 347 | uint8_t Reserved3[189]; |
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[d78eac6] | 348 | } RTEMS_COMPILER_PACKED_ATTRIBUTE VBE_mode_info_block; |
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[c5a74946] | 349 | |
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[038e1dba] | 350 | /** |
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| 351 | * @brief Describes monitor synchronization. |
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| 352 | */ |
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[d78eac6] | 353 | typedef struct { |
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[038e1dba] | 354 | /** Horizontal total in pixels */ |
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| 355 | uint16_t HorizontalTotal; |
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| 356 | /** Horizontal sync start in pixels */ |
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| 357 | uint16_t HorizontalSyncStart; |
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| 358 | /** Horizontal sync end in pixels */ |
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| 359 | uint16_t HorizontalSyncEnd; |
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| 360 | /** Vertical total in lines */ |
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| 361 | uint16_t VerticalTotal; |
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| 362 | /** Vertical sync start in lines */ |
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| 363 | uint16_t VerticalSyncStart; |
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| 364 | /** Vertical sync end in lines */ |
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| 365 | uint16_t VerticalSyncEnd; |
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| 366 | /** Flags (Interlaced, Double Scan etc) */ |
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| 367 | uint8_t Flags; |
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| 368 | /** Pixel clock in units of Hz */ |
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| 369 | uint32_t PixelClock; |
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| 370 | /** Refresh rate in units of 0.01 Hz */ |
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| 371 | uint16_t RefreshRate; |
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| 372 | /** remainder of VBE_mode_info_block */ |
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| 373 | uint8_t Reserved[40]; |
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[d78eac6] | 374 | } RTEMS_COMPILER_PACKED_ATTRIBUTE VBE_CRTC_info_block; |
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[c5a74946] | 375 | |
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[038e1dba] | 376 | /** |
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| 377 | * @brief Describes palette entry. |
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| 378 | */ |
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[d78eac6] | 379 | typedef struct { |
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[038e1dba] | 380 | /** Blue channel value (6 or 8 bits) */ |
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| 381 | uint8_t Blue; |
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| 382 | /** Green channel value (6 or 8 bits) */ |
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| 383 | uint8_t Green; |
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| 384 | /** Red channel value(6 or 8 bits) */ |
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| 385 | uint8_t Red; |
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| 386 | /** DWORD alignment byte (unused) */ |
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| 387 | uint8_t Alignment; |
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[d78eac6] | 388 | } RTEMS_COMPILER_PACKED_ATTRIBUTE VBE_palette_entry; |
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[c5a74946] | 389 | |
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[038e1dba] | 390 | /** |
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| 391 | * @brief Supplemental VBE info block. |
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| 392 | */ |
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[d78eac6] | 393 | typedef struct { |
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[038e1dba] | 394 | /** Supplemental VBE Signature */ |
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| 395 | uint8_t SupVbeSignature[7]; |
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| 396 | /** Supplemental VBE Version */ |
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| 397 | uint16_t SupVbeVersion; |
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| 398 | /** Bitfield of supported subfunctions */ |
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| 399 | uint8_t SupVbeSubFunc[8]; |
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| 400 | /** OEM Software revision */ |
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| 401 | uint16_t OemSoftwareRev; |
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| 402 | /** VBE_far_pointer to Vendor Name String */ |
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| 403 | uint8_t *OemVendorNamePtr; |
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| 404 | /** VBE_far_pointer to Product Name String */ |
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| 405 | uint8_t *OemProductNamePtr; |
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| 406 | /** VBE_far_pointer to Product Revision String */ |
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| 407 | uint8_t *OemProductRevPtr; |
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| 408 | /** VBE_far_pointer to OEM String */ |
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| 409 | uint8_t *OemStringPtr; |
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| 410 | /** Reserved for description strings and future expansion */ |
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| 411 | uint8_t Reserved[221]; |
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[d78eac6] | 412 | } RTEMS_COMPILER_PACKED_ATTRIBUTE VBE_supplemental_vbe_info_block; |
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[c5a74946] | 413 | |
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[038e1dba] | 414 | /* VBE_vbe_info_block Capabilities */ |
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| 415 | /** VBE Info Block - Capabilities\n |
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| 416 | D0 = 0 DAC is fixed width, with 6 bits per primary color \n |
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| 417 | D0 = 1 DAC width is switchable to 8 bits per primary color */ |
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[c5a74946] | 418 | #define VBE_DACswitchableMask 0x0001 |
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[038e1dba] | 419 | /** VBE Info Block - Capabilities\n |
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| 420 | D1 = 0 Controller is VGA compatible \n |
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| 421 | D1 = 1 Controller is not VGA compatible */ |
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[c5a74946] | 422 | #define VBE_notVGAcompatibleMask 0x0002 |
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[038e1dba] | 423 | /** VBE Info Block - Capabilities\n |
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| 424 | D2 = 0 Normal RAMDAC operation \n |
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| 425 | D2 = 1 When programming large blocks of information to the RAMDAC, |
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[c5a74946] | 426 | use the blank bit in Function 09h. */ |
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| 427 | #define VBE_specialRAMDACopMask 0x0004 |
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[038e1dba] | 428 | /** VBE Info Block - Capabilities\n |
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| 429 | D3 = 0 No hardware stereoscopic signaling support \n |
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| 430 | D3 = 1 Hardware stereoscopic signaling supported by controller */ |
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[c5a74946] | 431 | #define VBE_hwStereoscopicMask 0x0008 |
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[038e1dba] | 432 | /** VBE Info Block - Capabilities\n |
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| 433 | D4 = 0 Stereo signaling supported via external VESA stereo connector \n |
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| 434 | D4 = 1 Stereo signaling supported via VESA EVC connector */ |
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[c5a74946] | 435 | #define VBE_supportEVCconnMask 0x0010 |
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| 436 | /* D5-31 = Reserved */ |
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| 437 | |
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[038e1dba] | 438 | /* VBE_mode_info_block ModeAttributes */ |
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| 439 | /** Mode Info Block - Mode Attributes\n |
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| 440 | D0 = Mode supported by hardware configuration. |
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| 441 | 0 = Mode not supported in hardware\n |
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| 442 | 1 = Mode supported in hardware */ |
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[c5a74946] | 443 | #define VBE_modSupInHWMask 0x0001 |
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| 444 | /* D1 = 1 (Reserved) */ |
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[038e1dba] | 445 | /** Mode Info Block - Mode Attributes\n |
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| 446 | D2 = TTY Output functions supported by BIOS. |
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| 447 | 0 = TTY Output functions not supported by BIOS\n |
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| 448 | 1 = TTY Output functions supported by BIOS */ |
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[c5a74946] | 449 | #define VBE_TTYOutSupByBIOSMask 0x0004 |
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[038e1dba] | 450 | /** Mode Info Block - Mode Attributes\n |
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| 451 | D3 = Monochrome/color mode (see note below). |
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| 452 | 0 = Monochrome mode\n |
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| 453 | 1 = Color mode */ |
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[c5a74946] | 454 | #define VBE_ColorModeMask 0x0008 |
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[038e1dba] | 455 | /** Mode Info Block - Mode Attributes\n |
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| 456 | D4 = Mode type. |
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| 457 | 0 = Text mode\n |
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| 458 | 1 = Graphics mode */ |
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[c5a74946] | 459 | #define VBE_GraphicsModeMask 0x0010 |
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[038e1dba] | 460 | /** Mode Info Block - Mode Attributes\n |
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| 461 | D5 = VGA compatible mode. |
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| 462 | 0 = Yes\n |
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| 463 | 1 = No */ |
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[c5a74946] | 464 | #define VBE_VGACompModeMask 0x0020 |
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[038e1dba] | 465 | /** Mode Info Block - Mode Attributes\n |
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| 466 | D6 = VGA compatible windowed memory mode is available. |
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| 467 | 0 = Yes\n |
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| 468 | 1 = No */ |
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[c5a74946] | 469 | #define VBE_VGACompWinMemModeMask 0x0040 |
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[038e1dba] | 470 | /** Mode Info Block - Mode Attributes\n |
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| 471 | D7 = Linear frame buffer mode is available. |
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| 472 | 0 = No\n |
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| 473 | 1 = Yes */ |
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[c5a74946] | 474 | #define VBE_LinFraBufModeAvaiMask 0x0080 |
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[038e1dba] | 475 | /** Mode Info Block - Mode Attributes\n |
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| 476 | D8 = Double scan mode is available. |
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| 477 | 0 = No\n |
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| 478 | 1 = Yes */ |
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[c5a74946] | 479 | #define VBE_DblScnModeAvaiMask 0x0100 |
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[038e1dba] | 480 | /** Mode Info Block - Mode Attributes\n |
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| 481 | D9 = Interlaced mode is available. |
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| 482 | 0 = No\n |
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| 483 | 1 = Yes */ |
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[c5a74946] | 484 | #define VBE_InterlModeAvaiMask 0x0200 |
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[038e1dba] | 485 | /** Mode Info Block - Mode Attributes\n |
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| 486 | D10 = Hardware triple buffering support. |
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| 487 | 0 = No\n |
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| 488 | 1 = Yes */ |
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[c5a74946] | 489 | #define VBE_HWTripBufSupMask 0x0400 |
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[038e1dba] | 490 | /** Mode Info Block - Mode Attributes\n |
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| 491 | D11 = Hardware stereoscopic display support. |
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| 492 | 0 = No\n |
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| 493 | 1 = Yes */ |
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[c5a74946] | 494 | #define VBE_HWSterDispSupMask 0x0800 |
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[038e1dba] | 495 | /** Mode Info Block - Mode Attributes\n |
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| 496 | D12 = Dual display start address support. |
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| 497 | 0 = No\n |
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| 498 | 1 = Yes */ |
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[c5a74946] | 499 | #define VBE_DualDispStAdrSupMask 0x1000 |
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| 500 | /* D13-D15 = Reserved */ |
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| 501 | |
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[038e1dba] | 502 | /* VBE_mode_info_block WinXAttributes */ |
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| 503 | /** D0 = Relocatable window(s) supported. |
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| 504 | 0 = Single non-relocatable window only\n |
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| 505 | 1 = Relocatable window(s) are supported */ |
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[c5a74946] | 506 | #define VBE_RelocWinSupMask 0x01 |
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[038e1dba] | 507 | /** D1 = Window readable. |
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| 508 | 0 = Window is not readable\n |
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| 509 | 1 = Window is readable */ |
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[c5a74946] | 510 | #define VBE_WinReadableMask 0x02 |
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[038e1dba] | 511 | /** D2 = Window writeable. |
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| 512 | 0 = Window is not writeable\n |
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| 513 | 1 = Window is writeable */ |
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[c5a74946] | 514 | #define VBE_WinWritableMask 0x04 |
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| 515 | /* D3-D7 = Reserved */ |
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| 516 | |
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[038e1dba] | 517 | /* VBE_mode_info_block MemoryModel */ |
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[c5a74946] | 518 | #define VBE_TextMode 0x00 |
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| 519 | #define VBE_CGAGraphics 0x01 |
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| 520 | #define VBE_HerculesGraphics 0x02 |
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| 521 | #define VBE_Planar 0x03 |
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| 522 | #define VBE_PackedPixel 0x04 |
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| 523 | #define VBE_NonChain4Color256 0x05 |
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| 524 | #define VBE_DirectColor 0x06 |
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| 525 | #define VBE_YUV 0x07 |
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| 526 | /* 0x08-0x0F Reserved, to be defined by VESA */ |
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| 527 | /* 0x10-0xFF To be defined by OEM */ |
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| 528 | |
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[038e1dba] | 529 | /* VBE_mode_info_block DirectColorModeInfo */ |
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| 530 | /** D0 = Color ramp is fixed/programmable. |
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| 531 | 0 = Color ramp is fixed\n |
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| 532 | 1 = Color ramp is programmable */ |
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[c5a74946] | 533 | #define VBE_ColRampProgMask 0x01 |
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[038e1dba] | 534 | /** D1 = Bits in Rsvd field are usable/reserved. |
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| 535 | 0 = Bits in Rsvd field are reserved\n |
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| 536 | 1 = Bits in Rsvd field are usable by the application */ |
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[c5a74946] | 537 | #define VBE_RsvdBitsUsableMask 0x02 |
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| 538 | |
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[038e1dba] | 539 | /* VBE_CRTC_info_block Flags */ |
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| 540 | /** CRTC Info Block - Flags\n |
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| 541 | D0 = Double Scan Mode Enable. |
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| 542 | 0 = Graphics mode is not double scanned\n |
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| 543 | 1 = Graphics mode is double scanned */ |
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[c5a74946] | 544 | #define VBE_GrModeDblScanMask 0x01 |
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[038e1dba] | 545 | /** CRTC Info Block - Flags\n |
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| 546 | D1 = Interlaced Mode Enable. |
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| 547 | 0 = Graphics mode is non-interlaced\n |
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| 548 | 1 = Graphics mode is interlaced */ |
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[c5a74946] | 549 | #define VBE_GrModeInterlMask 0x02 |
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[038e1dba] | 550 | /** CRTC Info Block - Flags\n |
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| 551 | D2 = Horizontal sync polarity. |
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| 552 | 0 = Horizontal sync polarity is positive (+)\n |
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| 553 | 1 = Horizontal sync polarity is negative (-) */ |
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[c5a74946] | 554 | #define VBE_HorSncPolNegMask 0x04 |
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[038e1dba] | 555 | /** CRTC Info Block - Flags\n |
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| 556 | D3 = Vertical sync polarity. |
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| 557 | 0 = Vertical sync polarity is positive (+)\n |
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| 558 | 1 = Vertical sync polarity is negative (-) */ |
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[c5a74946] | 559 | #define VBE_VerSncPolNegMask 0x08 |
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| 560 | |
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| 561 | |
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| 562 | /* VESA BIOS Extensions/Display Data Channel Standard |
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| 563 | Version: 1.1 November 18, 1999 */ |
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| 564 | |
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| 565 | /* VBE/DDC subfunction numbers - passed in BL register */ |
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[038e1dba] | 566 | /** VBE/DDC subfunction - Report VBE/DDC Capabilities */ |
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| 567 | #define VBEDDC_Capabilities 0x0 |
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| 568 | /** VBE/DDC subfunction - Read EDID */ |
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| 569 | #define VBEDDC_ReadEDID 0x1 |
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[c5a74946] | 570 | |
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| 571 | /* DDC Capabilities */ |
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| 572 | /* DDC level supported - returned in BL register */ |
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[038e1dba] | 573 | /** 0 - DDC1 not supported; 1 - DDC1 supported */ |
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[c5a74946] | 574 | #define VBEDDC_1SupportedMask 0x1 |
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[038e1dba] | 575 | /** 0 - DDC2 not supported; 1 - DDC2 supported */ |
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[c5a74946] | 576 | #define VBEDDC_2SupportedMask 0x2 |
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[038e1dba] | 577 | /** 0 - Screen not blanked during data transfer\n |
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| 578 | 1 - Screen blanked during data transfer */ |
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[c5a74946] | 579 | #define VBEDDC_scrBlnkDatTrMs 0x4 |
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| 580 | |
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| 581 | |
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| 582 | /* VESA BIOS Extensions/Serial Control Interface Standard |
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| 583 | Version: 1.0 Revision: 2 Date: July 2, 1997 */ |
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| 584 | |
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| 585 | /* VBE/SCI subfunction numbers - passed in BL register */ |
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[038e1dba] | 586 | /** VBE/SCI subfunction - Report VBE/SCI Capabilities */ |
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| 587 | #define VBESCI_ReportCapabil 0x10 |
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| 588 | /** VBE/SCI subfunction - Begin SCL/SDA control */ |
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| 589 | #define VBESCI_BegSCLSDACtrl 0x11 |
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| 590 | /** VBE/SCI subfunction - End SCL/SDA control */ |
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| 591 | #define VBESCI_EndSCLSDACtrl 0x12 |
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| 592 | /** VBE/SCI subfunction - Write SCL clock line */ |
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| 593 | #define VBESCI_WrtSCLClkLine 0x13 |
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| 594 | /** VBE/SCI subfunction - Write SDA data line */ |
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| 595 | #define VBESCI_WrtSDADatLine 0x14 |
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| 596 | /** VBE/SCI subfunction - Read SCL clock line */ |
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| 597 | #define VBESCI_RdySCLClkLine 0x15 |
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| 598 | /** VBE/SCI subfunction - Read SDA data line */ |
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| 599 | #define VBESCI_RdySDADatLine 0x16 |
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[c5a74946] | 600 | |
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| 601 | /* SCI Capabilities */ |
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| 602 | /* I2C level supported - returned in BL register */ |
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[038e1dba] | 603 | /** Can write to SCL clock line */ |
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| 604 | #define VBESCI_capSCLwrtMask 0x1 |
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| 605 | /** Can write to SDA data line */ |
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| 606 | #define VBESCI_capSDAwrtMask 0x2 |
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| 607 | /** Can read from SCL clock line */ |
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| 608 | #define VBESCI_capSCLrdyMask 0x4 |
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| 609 | /** Can read from SDA data line */ |
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| 610 | #define VBESCI_capSDArdyMask 0x8 |
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[c5a74946] | 611 | |
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| 612 | |
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| 613 | #ifdef __cplusplus |
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| 614 | } |
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| 615 | #endif /* __cplusplus */ |
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| 616 | |
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| 617 | #endif /* ASM */ |
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| 618 | |
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| 619 | #endif /* _VBE_H */ |
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