1 /* DO NOT EDIT THIS FILE. 2 3 It has been auto-edited by fixincludes from: 4 5 "/usr/include/xorg/edid.h" 6 7 This had to be done to correct non-standard usages in the 8 original, manufacturer supplied header file. */ 9 10 /* $XFree86: xc/programs/Xserver/hw/xfree86/ddc/edid.h,v 1.6 2000/04/17 16:29:55 eich Exp $ */ 11 12 /* edid.h: defines to parse an EDID block 13 * 14 * This file contains all information to interpret a standard EDIC block 15 * transmitted by a display device via DDC (Display Data Channel). So far 16 * there is no information to deal with optional EDID blocks. 17 * DDC is a Trademark of VESA (Video Electronics Standard Association). 18 * 19 * Copyright 1998 by Egbert Eich <Egbert.Eich (at) Physik.TU-Darmstadt.DE> 20 */ 21 22 #ifndef _EDID_H_ 23 #define _EDID_H_ 24 25 #include "vdif.h" 26 27 /* read complete EDID record */ 28 #define EDID1_LEN 128 29 #define BITS_PER_BYTE 9 30 #define NUM BITS_PER_BYTE*EDID1_LEN 31 #define HEADER 6 32 33 #define STD_TIMINGS 8 34 #define DET_TIMINGS 4 35 36 #ifdef _PARSE_EDID_ 37 38 /* header: 0x00 0xFF 0xFF 0xFF 0xFF 0xFF 0xFF 0x00 */ 39 #define HEADER_SECTION 0 40 #define HEADER_LENGTH 8 41 42 /* vendor section */ 43 #define VENDOR_SECTION (HEADER_SECTION + HEADER_LENGTH) 44 #define V_MANUFACTURER 0 45 #define V_PROD_ID (V_MANUFACTURER + 2) 46 #define V_SERIAL (V_PROD_ID + 2) 47 #define V_WEEK (V_SERIAL + 4) 48 #define V_YEAR (V_WEEK + 1) 49 #define VENDOR_LENGTH (V_YEAR + 1) 50 51 /* EDID version */ 52 #define VERSION_SECTION (VENDOR_SECTION + VENDOR_LENGTH) 53 #define V_VERSION 0 54 #define V_REVISION (V_VERSION + 1) 55 #define VERSION_LENGTH (V_REVISION + 1) 56 57 /* display information */ 58 #define DISPLAY_SECTION (VERSION_SECTION + VERSION_LENGTH) 59 #define D_INPUT 0 60 #define D_HSIZE (D_INPUT + 1) 61 #define D_VSIZE (D_HSIZE + 1) 62 #define D_GAMMA (D_VSIZE + 1) 63 #define FEAT_S (D_GAMMA + 1) 64 #define D_RG_LOW (FEAT_S + 1) 65 #define D_BW_LOW (D_RG_LOW + 1) 66 #define D_REDX (D_BW_LOW + 1) 67 #define D_REDY (D_REDX + 1) 68 #define D_GREENX (D_REDY + 1) 69 #define D_GREENY (D_GREENX + 1) 70 #define D_BLUEX (D_GREENY + 1) 71 #define D_BLUEY (D_BLUEX + 1) 72 #define D_WHITEX (D_BLUEY + 1) 73 #define D_WHITEY (D_WHITEX + 1) 74 #define DISPLAY_LENGTH (D_WHITEY + 1) 75 76 /* supported VESA and other standard timings */ 77 #define ESTABLISHED_TIMING_SECTION (DISPLAY_SECTION + DISPLAY_LENGTH) 78 #define E_T1 0 79 #define E_T2 (E_T1 + 1) 80 #define E_TMANU (E_T2 + 1) 81 #define E_TIMING_LENGTH (E_TMANU + 1) 82 83 /* non predefined standard timings supported by display */ 84 #define STD_TIMING_SECTION (ESTABLISHED_TIMING_SECTION + E_TIMING_LENGTH) 85 #define STD_TIMING_INFO_LEN 2 86 #define STD_TIMING_INFO_NUM STD_TIMINGS 87 #define STD_TIMING_LENGTH (STD_TIMING_INFO_LEN * STD_TIMING_INFO_NUM) 88 89 /* detailed timing info of non standard timings */ 90 #define DET_TIMING_SECTION (STD_TIMING_SECTION + STD_TIMING_LENGTH) 91 #define DET_TIMING_INFO_LEN 18 92 #define MONITOR_DESC_LEN DET_TIMING_INFO_LEN 93 #define DET_TIMING_INFO_NUM DET_TIMINGS 94 #define DET_TIMING_LENGTH (DET_TIMING_INFO_LEN * DET_TIMING_INFO_NUM) 95 96 /* number of EDID sections to follow */ 97 #define NO_EDID (DET_TIMING_SECTION + DET_TIMING_LENGTH) 98 /* one byte checksum */ 99 #define CHECKSUM (NO_EDID + 1) 100 101 #if (CHECKSUM != (EDID1_LEN - 1)) 102 # error "EDID1 length != 128!" 103 #endif 104 105 106 #define SECTION(x,y) (Uchar *)(x + y) 107 #define GET_ARRAY(y) ((Uchar *)(c + y)) 108 #define GET(y) *(Uchar *)(c + y) 109 110 /* extract information from vendor section */ 111 #define _PROD_ID(x) x[0] + (x[1] << 8); 112 #define PROD_ID _PROD_ID(GET_ARRAY(V_PROD_ID)) 113 #define _SERIAL_NO(x) x[0] + (x[1] << 8) + (x[2] << 16) + (x[3] << 24) 114 #define SERIAL_NO _SERIAL_NO(GET_ARRAY(V_SERIAL)) 115 #define _YEAR(x) (x & 0xFF) + 1990 116 #define YEAR _YEAR(GET(V_YEAR)) 117 #define WEEK GET(V_WEEK) & 0xFF 118 #define _L1(x) ((x[0] & 0x7C) >> 2) + '@' 119 #define _L2(x) ((x[0] & 0x03) << 3) + ((x[1] & 0xE0) >> 5) + '@' 120 #define _L3(x) (x[1] & 0x1F) + '@'; 121 #define L1 _L1(GET_ARRAY(V_MANUFACTURER)) 122 #define L2 _L2(GET_ARRAY(V_MANUFACTURER)) 123 #define L3 _L3(GET_ARRAY(V_MANUFACTURER)) 124 125 /* extract information from version section */ 126 #define VERSION GET(V_VERSION) 127 #define REVISION GET(V_REVISION) 128 129 /* extract information from display section */ 130 #define _INPUT_TYPE(x) ((x & 0x80) >> 7) 131 #define INPUT_TYPE _INPUT_TYPE(GET(D_INPUT)) 132 #define _INPUT_VOLTAGE(x) ((x & 0x60) >> 5) 133 #define INPUT_VOLTAGE _INPUT_VOLTAGE(GET(D_INPUT)) 134 #define _SETUP(x) ((x & 0x10) >> 4) 135 #define SETUP _SETUP(GET(D_INPUT)) 136 #define _SYNC(x) (x & 0x0F) 137 #define SYNC _SYNC(GET(D_INPUT)) 138 #define _DFP(x) (x & 0x01) 139 #define DFP _DFP(GET(D_INPUT)) 140 #define _GAMMA(x) (x == 0xff ? 1.0 : ((x + 100.0)/100.0)) 141 #define GAMMA _GAMMA(GET(D_GAMMA)) 142 #define HSIZE_MAX GET(D_HSIZE) 143 #define VSIZE_MAX GET(D_VSIZE) 144 #define _DPMS(x) ((x & 0xE0) >> 5) 145 #define DPMS _DPMS(GET(FEAT_S)) 146 #define _DISPLAY_TYPE(x) ((x & 0x18) >> 3) 147 #define DISPLAY_TYPE _DISPLAY_TYPE(GET(FEAT_S)) 148 #define _MSC(x) (x & 0x7) 149 #define MSC _MSC(GET(FEAT_S)) 150 151 152 /* color characteristics */ 153 #define CC_L(x,y) ((x & (0x03 << y)) >> y) 154 #define CC_H(x) (x << 2) 155 #define I_CC(x,y,z) CC_H(y) | CC_L(x,z) 156 #define F_CC(x) ((x)/1024.0) 157 #define REDX F_CC(I_CC((GET(D_RG_LOW)),(GET(D_REDX)),6)) 158 #define REDY F_CC(I_CC((GET(D_RG_LOW)),(GET(D_REDY)),4)) 159 #define GREENX F_CC(I_CC((GET(D_RG_LOW)),(GET(D_GREENX)),2)) 160 #define GREENY F_CC(I_CC((GET(D_RG_LOW)),(GET(D_GREENY)),0)) 161 #define BLUEX F_CC(I_CC((GET(D_BW_LOW)),(GET(D_BLUEX)),6)) 162 #define BLUEY F_CC(I_CC((GET(D_BW_LOW)),(GET(D_BLUEY)),4)) 163 #define WHITEX F_CC(I_CC((GET(D_BW_LOW)),(GET(D_WHITEX)),2)) 164 #define WHITEY F_CC(I_CC((GET(D_BW_LOW)),(GET(D_WHITEY)),0)) 165 166 /* extract information from standard timing section */ 167 #define T1 GET(E_T1) 168 #define T2 GET(E_T2) 169 #define T_MANU GET(E_TMANU) 170 171 /* extract information from estabished timing section */ 172 #define _VALID_TIMING(x) !(((x[0] == 0x01) && (x[1] == 0x01)) \ 173 || ((x[0] == 0x00) && (x[1] == 0x00)) \ 174 || ((x[0] == 0x20) && (x[1] == 0x20)) ) 175 #define VALID_TIMING _VALID_TIMING(c) 176 #define _HSIZE1(x) ((x[0] + 31) * 8) 177 #define HSIZE1 _HSIZE1(c) 178 #define RATIO(x) ((x[1] & 0xC0) >> 6) 179 #define RATIO1_1 0 180 /* EDID Ver. 1.3 redefined this */ 181 #define RATIO16_10 RATIO1_1 182 #define RATIO4_3 1 183 #define RATIO5_4 2 184 #define RATIO16_9 3 185 #define _VSIZE1(x,y,r) switch(RATIO(x)){ \ 186 case RATIO1_1: y = ((v->version > 1 || v->revision > 2) \ 187 ? (_HSIZE1(x) * 10) / 16 : _HSIZE1(x)); break; \ 188 case RATIO4_3: y = _HSIZE1(x) * 3 / 4; break; \ 189 case RATIO5_4: y = _HSIZE1(x) * 4 / 5; break; \ 190 case RATIO16_9: y = _HSIZE1(x) * 9 / 16; break; \ 191 } 192 #define VSIZE1(x) _VSIZE1(c,x,v) 193 #define _REFRESH_R(x) (x[1] & 0x3F) + 60 194 #define REFRESH_R _REFRESH_R(c) 195 #define _ID_LOW(x) x[0] 196 #define ID_LOW _ID_LOW(c) 197 #define _ID_HIGH(x) (x[1] << 8) 198 #define ID_HIGH _ID_HIGH(c) 199 #define STD_TIMING_ID (ID_LOW | ID_HIGH) 200 #define _NEXT_STD_TIMING(x) (x = (x + STD_TIMING_INFO_LEN)) 201 #define NEXT_STD_TIMING _NEXT_STD_TIMING(c) 202 203 204 /* EDID Ver. >= 1.2 */ 205 #define _IS_MONITOR_DESC(x) (x[0] == 0 && x[1] == 0 && x[2] == 0 && x[4] == 0) 206 #define IS_MONITOR_DESC _IS_MONITOR_DESC(c) 207 #define _PIXEL_CLOCK(x) (x[0] + (x[1] << 8)) * 10000 208 #define PIXEL_CLOCK _PIXEL_CLOCK(c) 209 #define _H_ACTIVE(x) (x[2] + ((x[4] & 0xF0) << 4)) 210 #define H_ACTIVE _H_ACTIVE(c) 211 #define _H_BLANK(x) (x[3] + ((x[4] & 0x0F) << 8)) 212 #define H_BLANK _H_BLANK(c) 213 #define _V_ACTIVE(x) (x[5] + ((x[7] & 0xF0) << 4)) 214 #define V_ACTIVE _V_ACTIVE(c) 215 #define _V_BLANK(x) (x[6] + ((x[7] & 0x0F) << 8)) 216 #define V_BLANK _V_BLANK(c) 217 #define _H_SYNC_OFF(x) (x[8] + ((x[11] & 0xC0) << 2)) 218 #define H_SYNC_OFF _H_SYNC_OFF(c) 219 #define _H_SYNC_WIDTH(x) (x[9] + ((x[11] & 0x30) << 4)) 220 #define H_SYNC_WIDTH _H_SYNC_WIDTH(c) 221 #define _V_SYNC_OFF(x) ((x[10] >> 4) + ((x[11] & 0x0C) << 2)) 222 #define V_SYNC_OFF _V_SYNC_OFF(c) 223 #define _V_SYNC_WIDTH(x) ((x[10] & 0x0F) + ((x[11] & 0x03) << 4)) 224 #define V_SYNC_WIDTH _V_SYNC_WIDTH(c) 225 #define _H_SIZE(x) (x[12] + ((x[14] & 0xF0) << 4)) 226 #define H_SIZE _H_SIZE(c) 227 #define _V_SIZE(x) (x[13] + ((x[14] & 0x0F) << 8)) 228 #define V_SIZE _V_SIZE(c) 229 #define _H_BORDER(x) (x[15]) 230 #define H_BORDER _H_BORDER(c) 231 #define _V_BORDER(x) (x[16]) 232 #define V_BORDER _V_BORDER(c) 233 #define _INTERLACED(x) ((x[17] & 0x80) >> 7) 234 #define INTERLACED _INTERLACED(c) 235 #define _STEREO(x) ((x[17] & 0x60) >> 5) 236 #define STEREO _STEREO(c) 237 #define _STEREO1(x) (x[17] & 0x1) 238 #define STEREO1 _STEREO(c) 239 #define _SYNC_T(x) ((x[17] & 0x18) >> 4) 240 #define SYNC_T _SYNC_T(c) 241 #define _MISC(x) ((x[17] & 0x06) >> 2) 242 #define MISC _MISC(c) 243 244 #define _MONITOR_DESC_TYPE(x) x[3] 245 #define MONITOR_DESC_TYPE _MONITOR_DESC_TYPE(c) 246 #define SERIAL_NUMBER 0xFF 247 #define ASCII_STR 0xFE 248 #define MONITOR_RANGES 0xFD 249 #define _MIN_V(x) x[5] 250 #define MIN_V _MIN_V(c) 251 #define _MAX_V(x) x[6] 252 #define MAX_V _MAX_V(c) 253 #define _MIN_H(x) x[7] 254 #define MIN_H _MIN_H(c) 255 #define _MAX_H(x) x[8] 256 #define MAX_H _MAX_H(c) 257 #define _MAX_CLOCK(x) x[9] 258 #define MAX_CLOCK _MAX_CLOCK(c) 259 #define _HAVE_2ND_GTF(x) (x[10] == 0x02) 260 #define HAVE_2ND_GTF _HAVE_2ND_GTF(c) 261 #define _F_2ND_GTF(x) (x[12] * 2) 262 #define F_2ND_GTF _F_2ND_GTF(c) 263 #define _C_2ND_GTF(x) (x[13] / 2) 264 #define C_2ND_GTF _C_2ND_GTF(c) 265 #define _M_2ND_GTF(x) (x[14] + (x[15] << 8)) 266 #define M_2ND_GTF _M_2ND_GTF(c) 267 #define _K_2ND_GTF(x) (x[16]) 268 #define K_2ND_GTF _K_2ND_GTF(c) 269 #define _J_2ND_GTF(x) (x[17] / 2) 270 #define J_2ND_GTF _J_2ND_GTF(c) 271 #define MONITOR_NAME 0xFC 272 #define ADD_COLOR_POINT 0xFB 273 #define WHITEX F_CC(I_CC((GET(D_BW_LOW)),(GET(D_WHITEX)),2)) 274 #define WHITEY F_CC(I_CC((GET(D_BW_LOW)),(GET(D_WHITEY)),0)) 275 #define _WHITEX_ADD(x,y) F_CC(I_CC(((*(x + y))),(*(x + y + 1)),2)) 276 #define _WHITEY_ADD(x,y) F_CC(I_CC(((*(x + y))),(*(x + y + 2)),0)) 277 #define _WHITE_INDEX1(x) x[5] 278 #define WHITE_INDEX1 _WHITE_INDEX1(c) 279 #define _WHITE_INDEX2(x) x[10] 280 #define WHITE_INDEX2 _WHITE_INDEX2(c) 281 #define WHITEX1 _WHITEX_ADD(c,6) 282 #define WHITEY1 _WHITEY_ADD(c,6) 283 #define WHITEX2 _WHITEX_ADD(c,12) 284 #define WHITEY2 _WHITEY_ADD(c,12) 285 #define _WHITE_GAMMA1(x) _GAMMA(x[9]) 286 #define WHITE_GAMMA1 _WHITE_GAMMA1(c) 287 #define _WHITE_GAMMA2(x) _GAMMA(x[14]) 288 #define WHITE_GAMMA2 _WHITE_GAMMA2(c) 289 #define ADD_STD_TIMINGS 0xFA 290 #define ADD_DUMMY 0x10 291 292 #define _NEXT_DT_MD_SECTION(x) (x = (x + DET_TIMING_INFO_LEN)) 293 #define NEXT_DT_MD_SECTION _NEXT_DT_MD_SECTION('c') 294 295 #endif /* _PARSE_EDID_ */ 296 297 /* input type */ 298 #define DIGITAL(x) x 299 300 /* DFP */ 301 #define DFP1(x) x 302 303 /* input voltage level */ 304 #define V070 0 /* 0.700V/0.300V */ 305 #define V071 1 /* 0.714V/0.286V */ 306 #define V100 2 /* 1.000V/0.400V */ 307 #define V007 3 /* 0.700V/0.000V */ 308 309 /* Signal level setup */ 310 #define SIG_SETUP(x) (x) 311 312 /* sync characteristics */ 313 #define SEP_SYNC(x) (x & 0x08) 314 #define COMP_SYNC(x) (x & 0x04) 315 #define SYNC_O_GREEN(x) (x & 0x02) 316 #define SYNC_SERR(x) (x & 0x01) 317 318 /* DPMS features */ 319 #define DPMS_STANDBY(x) (x & 0x04) 320 #define DPMS_SUSPEND(x) (x & 0x02) 321 #define DPMS_OFF(x) (x & 0x01) 322 323 /* display type */ 324 #define DISP_MONO 0 325 #define DISP_RGB 1 326 #define DISP_MULTCOLOR 2 327 328 /* Msc stuff EDID Ver > 1.1 */ 329 #define STD_COLOR_SPACE(x) (x & 0x4) 330 #define PREFERRED_TIMING_MODE(x) (x & 0x2) 331 #define GFT_SUPPORTED(x) (x & 0x1) 332 333 /* detailed timing misc */ 334 #define IS_INTERLACED(x) (x) 335 #define IS_STEREO(x) (x) 336 #define IS_RIGHT_STEREO(x) (x & 0x01) 337 #define IS_LEFT_STEREO(x) (x & 0x02) 338 #define IS_4WAY_STEREO(x) (x & 0x03) 339 #define IS_RIGHT_ON_SYNC(x) IS_RIGHT_STEREO(x) 340 #define IS_LEFT_ON_SYNC(x) IS_LEFT_STEREO(x) 341 342 343 typedef unsigned int Uint; 344 typedef unsigned char Uchar; 345 346 struct vendor { 347 char name[4]; 348 int prod_id; 349 Uint serial; 350 int week; 351 int year; 352 }; 353 354 struct edid_version { 355 int version; 356 int revision; 357 }; 358 359 struct disp_features { 360 unsigned int input_type:1; 361 unsigned int input_voltage:2; 362 unsigned int input_setup:1; 363 unsigned int input_sync:5; 364 unsigned int input_dfp:1; 365 int hsize; 366 int vsize; 367 float gamma; 368 unsigned int dpms:3; 369 unsigned int display_type:2; 370 unsigned int msc:3; 371 float redx; 372 float redy; 373 float greenx; 374 float greeny; 375 float bluex; 376 float bluey; 377 float whitex; 378 float whitey; 379 }; 380 381 struct established_timings { 382 Uchar t1; 383 Uchar t2; 384 Uchar t_manu; 385 }; 386 387 struct std_timings { 388 int hsize; 389 int vsize; 390 int refresh; 391 CARD16 id; 392 }; 393 394 struct detailed_timings { 395 int clock; 396 int h_active; 397 int h_blanking; 398 int v_active; 399 int v_blanking; 400 int h_sync_off; 401 int h_sync_width; 402 int v_sync_off; 403 int v_sync_width; 404 int h_size; 405 int v_size; 406 int h_border; 407 int v_border; 408 unsigned int interlaced:1; 409 unsigned int stereo:2; 410 unsigned int sync:2; 411 unsigned int misc:2; 412 unsigned int stereo_1:1; 413 }; 414 415 #define DT 0 416 #define DS_SERIAL 0xFF 417 #define DS_ASCII_STR 0xFE 418 #define DS_NAME 0xFC 419 #define DS_RANGES 0xFD 420 #define DS_WHITE_P 0xFB 421 #define DS_STD_TIMINGS 0xFA 422 #define DS_DUMMY 0x10 423 424 struct monitor_ranges { 425 int min_v; 426 int max_v; 427 int min_h; 428 int max_h; 429 int max_clock; 430 int gtf_2nd_f; 431 int gtf_2nd_c; 432 int gtf_2nd_m; 433 int gtf_2nd_k; 434 int gtf_2nd_j; 435 }; 436 437 struct whitePoints{ 438 int index; 439 float white_x; 440 float white_y; 441 float white_gamma; 442 }; 443 444 struct detailed_monitor_section { 445 int type; 446 union { 447 struct detailed_timings d_timings; 448 Uchar serial[13]; 449 Uchar ascii_data[13]; 450 Uchar name[13]; 451 struct monitor_ranges ranges; 452 struct std_timings std_t[5]; 453 struct whitePoints wp[2]; 454 } section; 455 }; 456 457 typedef struct { 458 int scrnIndex; 459 struct vendor vendor; 460 struct edid_version ver; 461 struct disp_features features; 462 struct established_timings timings1; 463 struct std_timings timings2[8]; 464 struct detailed_monitor_section det_mon[4]; 465 xf86vdifPtr vdif; 466 int no_sections; 467 Uchar *rawData; 468 } xf86Monitor, *xf86MonPtr; 469 470 extern xf86MonPtr ConfiguredMonitor; 471 472 #endif /* _EDID_H_ */ 473
