1 /* $NetBSD: edidreg.h,v 1.3 2011/03/30 18:49:56 jdc Exp $ */ 2 /* $FreeBSD$ */ 3 4 /*- 5 * Copyright (c) 2006 Itronix Inc. 6 * All rights reserved. 7 * 8 * Written by Garrett D'Amore for Itronix Inc. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. The name of Itronix Inc. may not be used to endorse 19 * or promote products derived from this software without specific 20 * prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND ANY EXPRESS 23 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 24 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY 26 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 28 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 30 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 31 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 32 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #ifndef _DEV_VIDEOMODE_EDIDREG_H 36 #define _DEV_VIDEOMODE_EDIDREG_H 37 38 #define EDID_OFFSET_SIGNATURE 0x00 39 #define EDID_OFFSET_MANUFACTURER_ID 0x08 40 #define EDID_OFFSET_PRODUCT_ID 0x0a 41 #define EDID_OFFSET_SERIAL_NUMBER 0x0c 42 #define EDID_OFFSET_MANUFACTURE_WEEK 0x10 43 #define EDID_OFFSET_MANUFACTURE_YEAR 0x11 44 #define EDID_OFFSET_VERSION 0x12 45 #define EDID_OFFSET_REVISION 0x13 46 #define EDID_OFFSET_VIDEO_INPUT 0x14 47 #define EDID_OFFSET_MAX_HSIZE 0x15 /* in cm */ 48 #define EDID_OFFSET_MAX_VSIZE 0x16 49 #define EDID_OFFSET_GAMMA 0x17 50 #define EDID_OFFSET_FEATURE 0x18 51 #define EDID_OFFSET_CHROMA 0x19 52 #define EDID_OFFSET_EST_TIMING_1 0x23 53 #define EDID_OFFSET_EST_TIMING_2 0x24 54 #define EDID_OFFSET_MFG_TIMING 0x25 55 #define EDID_OFFSET_STD_TIMING 0x26 56 #define EDID_OFFSET_DESC_BLOCK 0x36 57 58 #define EDID_SIGNATURE { 0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0 } 59 60 /* assume x is 16-bit value */ 61 #define EDID_VENDOR_ID(ptr) ((((ptr)[8]) << 8) + ptr[9]) 62 #define EDID_MANFID_0(x) ((((x) >> 10) & 0x1f) + '@') 63 #define EDID_MANFID_1(x) ((((x) >> 5) & 0x1f) + '@') 64 #define EDID_MANFID_2(x) ((((x) >> 0) & 0x1f) + '@') 65 66 /* relative to edid block */ 67 #define EDID_PRODUCT_ID(ptr) (((ptr)[10]) | (((ptr)[11]) << 8)) 68 #define EDID_SERIAL_NUMBER(ptr) (((ptr)[12] << 24) + \ 69 ((ptr)[13] << 16) + \ 70 ((ptr)[14] << 8) + \ 71 (ptr)[15]) 72 73 /* relative to edid block */ 74 #define EDID_WEEK(ptr) ((ptr)[16]) 75 #define EDID_YEAR(ptr) (((ptr)[17]) + 1990) 76 77 #define EDID_VERSION(ptr) ((ptr)[18]) 78 #define EDID_REVISION(ptr) ((ptr)[19]) 79 80 #define EDID_VIDEO_INPUT(ptr) ((ptr)[20]) 81 #define EDID_VIDEO_INPUT_DIGITAL 0x80 82 /* if INPUT_BIT_DIGITAL set */ 83 #define EDID_VIDEO_INPUT_DFP1_COMPAT 0x01 84 /* if INPUT_BIT_DIGITAL not set */ 85 #define EDID_VIDEO_INPUT_BLANK_TO_BLACK 0x10 86 #define EDID_VIDEO_INPUT_SEPARATE_SYNCS 0x08 87 #define EDID_VIDEO_INPUT_COMPOSITE_SYNC 0x04 88 #define EDID_VIDEO_INPUT_SYNC_ON_GRN 0x02 89 #define EDID_VIDEO_INPUT_SERRATION 0x01 90 #define EDID_VIDEO_INPUT_LEVEL(x) (((x) & 0x60) >> 5) 91 /* meanings of level bits are as follows, I don't know names */ 92 /* 0 = 0.7,0.3, 1 = 0.714,0.286, 2 = 1.0,0.4, 3 = 0.7,0.0 */ 93 94 /* relative to edid block */ 95 #define EDID_MAX_HSIZE(ptr) ((ptr)[21]) /* cm */ 96 #define EDID_MAX_VSIZE(ptr) ((ptr)[22]) /* cm */ 97 /* gamma is scaled by 100 (avoid fp), e.g. 213 == 2.13 */ 98 #define _GAMMA(x) ((x) == 0xff ? 100 : ((x) + 100)) 99 #define EDID_GAMMA(ptr) _GAMMA(ptr[23]) 100 101 #define EDID_FEATURES(ptr) ((ptr)[24]) 102 #define EDID_FEATURES_STANDBY 0x80 103 #define EDID_FEATURES_SUSPEND 0x40 104 #define EDID_FEATURES_ACTIVE_OFF 0x20 105 #define EDID_FEATURES_DISP_TYPE(x) (((x) & 0x18) >> 3) 106 #define EDID_FEATURES_DISP_TYPE_MONO 0 107 #define EDID_FEATURES_DISP_TYPE_RGB 1 108 #define EDID_FEATURES_DISP_TYPE_NON_RGB 2 109 #define EDID_FEATURES_DISP_TYPE_UNDEFINED 3 110 #define EDID_FEATURES_STD_COLOR 0x04 111 #define EDID_FEATURES_PREFERRED_TIMING 0x02 112 #define EDID_FEATURES_DEFAULT_GTF 0x01 113 114 /* chroma values 0.0 - 0.999 scaled as 0-999 */ 115 #define _CHLO(byt, shft) (((byt) >> (shft)) & 0x3) 116 #define _CHHI(byt) ((byt) << 2) 117 #define _CHHILO(ptr, l, s, h) (_CHLO((ptr)[l], s) | _CHHI((ptr)[h])) 118 #define _CHROMA(ptr, l, s, h) ((_CHHILO(ptr, l, s, h) * 1000) / 1024) 119 120 #define EDID_CHROMA_REDX(ptr) (_CHROMA(ptr, 25, 6, 27)) 121 #define EDID_CHROMA_REDY(ptr) (_CHROMA(ptr, 25, 4, 28)) 122 #define EDID_CHROMA_GREENX(ptr) (_CHROMA(ptr, 25, 2, 29)) 123 #define EDID_CHROMA_GREENY(ptr) (_CHROMA(ptr, 25, 0, 30)) 124 #define EDID_CHROMA_BLUEX(ptr) (_CHROMA(ptr, 26, 6, 31)) 125 #define EDID_CHROMA_BLUEY(ptr) (_CHROMA(ptr, 26, 4, 32)) 126 #define EDID_CHROMA_WHITEX(ptr) (_CHROMA(ptr, 26, 2, 33)) 127 #define EDID_CHROMA_WHITEY(ptr) (_CHROMA(ptr, 26, 0, 34)) 128 129 /* relative to edid block */ 130 #define EDID_EST_TIMING(ptr) (((ptr)[35] << 8) | (ptr)[36]) 131 #define EDID_EST_TIMING_720_400_70 0x8000 /* 720x400 @ 70Hz */ 132 #define EDID_EST_TIMING_720_400_88 0x4000 /* 720x400 @ 88Hz */ 133 #define EDID_EST_TIMING_640_480_60 0x2000 /* 640x480 @ 60Hz */ 134 #define EDID_EST_TIMING_640_480_67 0x1000 /* 640x480 @ 67Hz */ 135 #define EDID_EST_TIMING_640_480_72 0x0800 /* 640x480 @ 72Hz */ 136 #define EDID_EST_TIMING_640_480_75 0x0400 /* 640x480 @ 75Hz */ 137 #define EDID_EST_TIMING_800_600_56 0x0200 /* 800x600 @ 56Hz */ 138 #define EDID_EST_TIMING_800_600_60 0x0100 /* 800x600 @ 60Hz */ 139 #define EDID_EST_TIMING_800_600_72 0x0080 /* 800x600 @ 72Hz */ 140 #define EDID_EST_TIMING_800_600_75 0x0040 /* 800x600 @ 75Hz */ 141 #define EDID_EST_TIMING_832_624_75 0x0020 /* 832x624 @ 75Hz */ 142 #define EDID_EST_TIMING_1024_768_87I 0x0010 /* 1024x768i @ 87Hz */ 143 #define EDID_EST_TIMING_1024_768_60 0x0008 /* 1024x768 @ 60Hz */ 144 #define EDID_EST_TIMING_1024_768_70 0x0004 /* 1024x768 @ 70Hz */ 145 #define EDID_EST_TIMING_1024_768_75 0x0002 /* 1024x768 @ 75Hz */ 146 #define EDID_EST_TIMING_1280_1024_75 0x0001 /* 1280x1024 @ 75Hz */ 147 148 /* 149 * N.B.: ptr is relative to standard timing block - used for standard timing 150 * descriptors as well as standard timings section of edid! 151 */ 152 #define EDID_STD_TIMING_HRES(ptr) ((((ptr)[0]) * 8) + 248) 153 #define EDID_STD_TIMING_VFREQ(ptr) ((((ptr)[1]) & 0x3f) + 60) 154 #define EDID_STD_TIMING_RATIO(ptr) ((ptr)[1] & 0xc0) 155 #define EDID_STD_TIMING_RATIO_16_10 0x00 156 #define EDID_STD_TIMING_RATIO_4_3 0x40 157 #define EDID_STD_TIMING_RATIO_5_4 0x80 158 #define EDID_STD_TIMING_RATIO_16_9 0xc0 159 160 #define EDID_STD_TIMING_SIZE 16 161 #define EDID_STD_TIMING_COUNT 8 162 163 /* 164 * N.B.: ptr is relative to descriptor block start 165 */ 166 #define EDID_BLOCK_SIZE 18 167 #define EDID_BLOCK_COUNT 4 168 169 /* detailed timing block.... what a mess */ 170 #define EDID_BLOCK_IS_DET_TIMING(ptr) ((ptr)[0] | (ptr)[1]) 171 172 #define EDID_DET_TIMING_DOT_CLOCK(ptr) (((ptr)[0] | ((ptr)[1] << 8)) * 10000) 173 #define _HACT_LO(ptr) ((ptr)[2]) 174 #define _HBLK_LO(ptr) ((ptr)[3]) 175 #define _HACT_HI(ptr) (((ptr)[4] & 0xf0) << 4) 176 #define _HBLK_HI(ptr) (((ptr)[4] & 0x0f) << 8) 177 #define EDID_DET_TIMING_HACTIVE(ptr) (_HACT_LO(ptr) | _HACT_HI(ptr)) 178 #define EDID_DET_TIMING_HBLANK(ptr) (_HBLK_LO(ptr) | _HBLK_HI(ptr)) 179 #define _VACT_LO(ptr) ((ptr)[5]) 180 #define _VBLK_LO(ptr) ((ptr)[6]) 181 #define _VACT_HI(ptr) (((ptr)[7] & 0xf0) << 4) 182 #define _VBLK_HI(ptr) (((ptr)[7] & 0x0f) << 8) 183 #define EDID_DET_TIMING_VACTIVE(ptr) (_VACT_LO(ptr) | _VACT_HI(ptr)) 184 #define EDID_DET_TIMING_VBLANK(ptr) (_VBLK_LO(ptr) | _VBLK_HI(ptr)) 185 #define _HOFF_LO(ptr) ((ptr)[8]) 186 #define _HWID_LO(ptr) ((ptr)[9]) 187 #define _VOFF_LO(ptr) ((ptr)[10] >> 4) 188 #define _VWID_LO(ptr) ((ptr)[10] & 0xf) 189 #define _HOFF_HI(ptr) (((ptr)[11] & 0xc0) << 2) 190 #define _HWID_HI(ptr) (((ptr)[11] & 0x30) << 4) 191 #define _VOFF_HI(ptr) (((ptr)[11] & 0x0c) << 2) 192 #define _VWID_HI(ptr) (((ptr)[11] & 0x03) << 4) 193 #define EDID_DET_TIMING_HSYNC_OFFSET(ptr) (_HOFF_LO(ptr) | _HOFF_HI(ptr)) 194 #define EDID_DET_TIMING_HSYNC_WIDTH(ptr) (_HWID_LO(ptr) | _HWID_HI(ptr)) 195 #define EDID_DET_TIMING_VSYNC_OFFSET(ptr) (_VOFF_LO(ptr) | _VOFF_HI(ptr)) 196 #define EDID_DET_TIMING_VSYNC_WIDTH(ptr) (_VWID_LO(ptr) | _VWID_HI(ptr)) 197 #define _HSZ_LO(ptr) ((ptr)[12]) 198 #define _VSZ_LO(ptr) ((ptr)[13]) 199 #define _HSZ_HI(ptr) (((ptr)[14] & 0xf0) << 4) 200 #define _VSZ_HI(ptr) (((ptr)[14] & 0x0f) << 8) 201 #define EDID_DET_TIMING_HSIZE(ptr) (_HSZ_LO(ptr) | _HSZ_HI(ptr)) 202 #define EDID_DET_TIMING_VSIZE(ptr) (_VSZ_LO(ptr) | _VSZ_HI(ptr)) 203 #define EDID_DET_TIMING_HBORDER(ptr) ((ptr)[15]) 204 #define EDID_DET_TIMING_VBORDER(ptr) ((ptr)[16]) 205 #define EDID_DET_TIMING_FLAGS(ptr) ((ptr)[17]) 206 #define EDID_DET_TIMING_FLAG_INTERLACE 0x80 207 #define EDID_DET_TIMING_FLAG_STEREO 0x60 /* stereo or not */ 208 #define EDID_DET_TIMING_FLAG_SYNC_SEPARATE 0x18 209 #define EDID_DET_TIMING_FLAG_VSYNC_POSITIVE 0x04 210 #define EDID_DET_TIMING_FLAG_HSYNC_POSITIVE 0x02 211 #define EDID_DET_TIMING_FLAG_STEREO_MODE 0x01 /* stereo mode */ 212 213 214 /* N.B.: these tests assume that we already checked for detailed timing! */ 215 #define EDID_BLOCK_TYPE(ptr) ((ptr)[3]) 216 217 #define EDID_DESC_BLOCK_SIZE 18 218 #define EDID_DESC_BLOCK_TYPE_SERIAL 0xFF 219 #define EDID_DESC_BLOCK_TYPE_ASCII 0xFE 220 #define EDID_DESC_BLOCK_TYPE_RANGE 0xFD 221 #define EDID_DESC_BLOCK_TYPE_NAME 0xFC 222 #define EDID_DESC_BLOCK_TYPE_COLOR_POINT 0xFB 223 #define EDID_DESC_BLOCK_TYPE_STD_TIMING 0xFA 224 225 /* used for descriptors 0xFF, 0xFE, and 0xFC */ 226 #define EDID_DESC_ASCII_DATA_OFFSET 5 227 #define EDID_DESC_ASCII_DATA_LEN 13 228 229 #define EDID_DESC_RANGE_MIN_VFREQ(ptr) ((ptr)[5]) /* Hz */ 230 #define EDID_DESC_RANGE_MAX_VFREQ(ptr) ((ptr)[6]) /* Hz */ 231 #define EDID_DESC_RANGE_MIN_HFREQ(ptr) ((ptr)[7]) /* kHz */ 232 #define EDID_DESC_RANGE_MAX_HFREQ(ptr) ((ptr)[8]) /* kHz */ 233 #define EDID_DESC_RANGE_MAX_CLOCK(ptr) (((ptr)[9]) * 10) /* MHz */ 234 #define EDID_DESC_RANGE_HAVE_GTF2(ptr) (((ptr)[10]) == 0x02) 235 #define EDID_DESC_RANGE_GTF2_HFREQ(ptr) (((ptr)[12]) * 2) 236 #define EDID_DESC_RANGE_GTF2_C(ptr) (((ptr)[13]) / 2) 237 #define EDID_DESC_RANGE_GTF2_M(ptr) ((ptr)[14] + ((ptr)[15] << 8)) 238 #define EDID_DESC_RANGE_GTF2_K(ptr) ((ptr)[16]) 239 #define EDID_DESC_RANGE_GTF2_J(ptr) ((ptr)[17] / 2) 240 241 #define EDID_DESC_COLOR_WHITEX(ptr) 242 #define EDID_DESC_COLOR_WHITE_INDEX_1(ptr) ((ptr)[5]) 243 #define EDID_DESC_COLOR_WHITEX_1(ptr) _CHROMA(ptr, 6, 2, 7) 244 #define EDID_DESC_COLOR_WHITEY_1(ptr) _CHROMA(ptr, 6, 0, 8) 245 #define EDID_DESC_COLOR_GAMMA_1(ptr) _GAMMA(ptr[9]) 246 #define EDID_DESC_COLOR_WHITE_INDEX_2(ptr) ((ptr)[10]) 247 #define EDID_DESC_COLOR_WHITEX_2(ptr) _CHROMA(ptr, 11, 2, 12) 248 #define EDID_DESC_COLOR_WHITEY_2(ptr) _CHROMA(ptr, 11, 0, 13) 249 #define EDID_DESC_COLOR_GAMMA_2(ptr) _GAMMA(ptr[14]) 250 251 #define EDID_DESC_STD_TIMING_START 5 252 #define EDID_DESC_STD_TIMING_COUNT 6 253 254 #define EDID_EXT_BLOCK_COUNT(ptr) ((ptr)[126]) 255 256 #endif /* _DEV_VIDEOMODE_EDIDREG_H */ 257