1 /*
2 * Copyright 2007 Red Hat, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
19 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
20 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
21 */
22
23 /* Author: Soren Sandmann <sandmann@redhat.com> */
24 #include "../../SDL_internal.h"
25 #include "SDL_stdinc.h"
26
27 #include "edid.h"
28 #include <stdlib.h>
29 #include <string.h>
30 #include <math.h>
31 #include <stdio.h>
32
33 #define TRUE 1
34 #define FALSE 0
35
36 static int
get_bit(int in,int bit)37 get_bit (int in, int bit)
38 {
39 return (in & (1 << bit)) >> bit;
40 }
41
42 static int
get_bits(int in,int begin,int end)43 get_bits (int in, int begin, int end)
44 {
45 int mask = (1 << (end - begin + 1)) - 1;
46
47 return (in >> begin) & mask;
48 }
49
50 static int
decode_header(const uchar * edid)51 decode_header (const uchar *edid)
52 {
53 if (memcmp (edid, "\x00\xff\xff\xff\xff\xff\xff\x00", 8) == 0)
54 return TRUE;
55 return FALSE;
56 }
57
58 static int
decode_vendor_and_product_identification(const uchar * edid,MonitorInfo * info)59 decode_vendor_and_product_identification (const uchar *edid, MonitorInfo *info)
60 {
61 int is_model_year;
62
63 /* Manufacturer Code */
64 info->manufacturer_code[0] = get_bits (edid[0x08], 2, 6);
65 info->manufacturer_code[1] = get_bits (edid[0x08], 0, 1) << 3;
66 info->manufacturer_code[1] |= get_bits (edid[0x09], 5, 7);
67 info->manufacturer_code[2] = get_bits (edid[0x09], 0, 4);
68 info->manufacturer_code[3] = '\0';
69
70 info->manufacturer_code[0] += 'A' - 1;
71 info->manufacturer_code[1] += 'A' - 1;
72 info->manufacturer_code[2] += 'A' - 1;
73
74 /* Product Code */
75 info->product_code = edid[0x0b] << 8 | edid[0x0a];
76
77 /* Serial Number */
78 info->serial_number =
79 edid[0x0c] | edid[0x0d] << 8 | edid[0x0e] << 16 | edid[0x0f] << 24;
80
81 /* Week and Year */
82 is_model_year = FALSE;
83 switch (edid[0x10])
84 {
85 case 0x00:
86 info->production_week = -1;
87 break;
88
89 case 0xff:
90 info->production_week = -1;
91 is_model_year = TRUE;
92 break;
93
94 default:
95 info->production_week = edid[0x10];
96 break;
97 }
98
99 if (is_model_year)
100 {
101 info->production_year = -1;
102 info->model_year = 1990 + edid[0x11];
103 }
104 else
105 {
106 info->production_year = 1990 + edid[0x11];
107 info->model_year = -1;
108 }
109
110 return TRUE;
111 }
112
113 static int
decode_edid_version(const uchar * edid,MonitorInfo * info)114 decode_edid_version (const uchar *edid, MonitorInfo *info)
115 {
116 info->major_version = edid[0x12];
117 info->minor_version = edid[0x13];
118
119 return TRUE;
120 }
121
122 static int
decode_display_parameters(const uchar * edid,MonitorInfo * info)123 decode_display_parameters (const uchar *edid, MonitorInfo *info)
124 {
125 /* Digital vs Analog */
126 info->is_digital = get_bit (edid[0x14], 7);
127
128 if (info->is_digital)
129 {
130 int bits;
131
132 static const int bit_depth[8] =
133 {
134 -1, 6, 8, 10, 12, 14, 16, -1
135 };
136
137 static const Interface interfaces[6] =
138 {
139 UNDEFINED, DVI, HDMI_A, HDMI_B, MDDI, DISPLAY_PORT
140 };
141
142 bits = get_bits (edid[0x14], 4, 6);
143 info->digital.bits_per_primary = bit_depth[bits];
144
145 bits = get_bits (edid[0x14], 0, 3);
146
147 if (bits <= 5)
148 info->digital.interface = interfaces[bits];
149 else
150 info->digital.interface = UNDEFINED;
151 }
152 else
153 {
154 int bits = get_bits (edid[0x14], 5, 6);
155
156 static const double levels[][3] =
157 {
158 { 0.7, 0.3, 1.0 },
159 { 0.714, 0.286, 1.0 },
160 { 1.0, 0.4, 1.4 },
161 { 0.7, 0.0, 0.7 },
162 };
163
164 info->analog.video_signal_level = levels[bits][0];
165 info->analog.sync_signal_level = levels[bits][1];
166 info->analog.total_signal_level = levels[bits][2];
167
168 info->analog.blank_to_black = get_bit (edid[0x14], 4);
169
170 info->analog.separate_hv_sync = get_bit (edid[0x14], 3);
171 info->analog.composite_sync_on_h = get_bit (edid[0x14], 2);
172 info->analog.composite_sync_on_green = get_bit (edid[0x14], 1);
173
174 info->analog.serration_on_vsync = get_bit (edid[0x14], 0);
175 }
176
177 /* Screen Size / Aspect Ratio */
178 if (edid[0x15] == 0 && edid[0x16] == 0)
179 {
180 info->width_mm = -1;
181 info->height_mm = -1;
182 info->aspect_ratio = -1.0;
183 }
184 else if (edid[0x16] == 0)
185 {
186 info->width_mm = -1;
187 info->height_mm = -1;
188 info->aspect_ratio = 100.0 / (edid[0x15] + 99);
189 }
190 else if (edid[0x15] == 0)
191 {
192 info->width_mm = -1;
193 info->height_mm = -1;
194 info->aspect_ratio = 100.0 / (edid[0x16] + 99);
195 info->aspect_ratio = 1/info->aspect_ratio; /* portrait */
196 }
197 else
198 {
199 info->width_mm = 10 * edid[0x15];
200 info->height_mm = 10 * edid[0x16];
201 }
202
203 /* Gamma */
204 if (edid[0x17] == 0xFF)
205 info->gamma = -1.0;
206 else
207 info->gamma = (edid[0x17] + 100.0) / 100.0;
208
209 /* Features */
210 info->standby = get_bit (edid[0x18], 7);
211 info->suspend = get_bit (edid[0x18], 6);
212 info->active_off = get_bit (edid[0x18], 5);
213
214 if (info->is_digital)
215 {
216 info->digital.rgb444 = TRUE;
217 if (get_bit (edid[0x18], 3))
218 info->digital.ycrcb444 = 1;
219 if (get_bit (edid[0x18], 4))
220 info->digital.ycrcb422 = 1;
221 }
222 else
223 {
224 int bits = get_bits (edid[0x18], 3, 4);
225 ColorType color_type[4] =
226 {
227 MONOCHROME, RGB, OTHER_COLOR, UNDEFINED_COLOR
228 };
229
230 info->analog.color_type = color_type[bits];
231 }
232
233 info->srgb_is_standard = get_bit (edid[0x18], 2);
234
235 /* In 1.3 this is called "has preferred timing" */
236 info->preferred_timing_includes_native = get_bit (edid[0x18], 1);
237
238 /* FIXME: In 1.3 this indicates whether the monitor accepts GTF */
239 info->continuous_frequency = get_bit (edid[0x18], 0);
240 return TRUE;
241 }
242
243 static double
decode_fraction(int high,int low)244 decode_fraction (int high, int low)
245 {
246 double result = 0.0;
247 int i;
248
249 high = (high << 2) | low;
250
251 for (i = 0; i < 10; ++i)
252 result += get_bit (high, i) * SDL_pow (2, i - 10);
253
254 return result;
255 }
256
257 static int
decode_color_characteristics(const uchar * edid,MonitorInfo * info)258 decode_color_characteristics (const uchar *edid, MonitorInfo *info)
259 {
260 info->red_x = decode_fraction (edid[0x1b], get_bits (edid[0x19], 6, 7));
261 info->red_y = decode_fraction (edid[0x1c], get_bits (edid[0x19], 5, 4));
262 info->green_x = decode_fraction (edid[0x1d], get_bits (edid[0x19], 2, 3));
263 info->green_y = decode_fraction (edid[0x1e], get_bits (edid[0x19], 0, 1));
264 info->blue_x = decode_fraction (edid[0x1f], get_bits (edid[0x1a], 6, 7));
265 info->blue_y = decode_fraction (edid[0x20], get_bits (edid[0x1a], 4, 5));
266 info->white_x = decode_fraction (edid[0x21], get_bits (edid[0x1a], 2, 3));
267 info->white_y = decode_fraction (edid[0x22], get_bits (edid[0x1a], 0, 1));
268
269 return TRUE;
270 }
271
272 static int
decode_established_timings(const uchar * edid,MonitorInfo * info)273 decode_established_timings (const uchar *edid, MonitorInfo *info)
274 {
275 static const Timing established[][8] =
276 {
277 {
278 { 800, 600, 60 },
279 { 800, 600, 56 },
280 { 640, 480, 75 },
281 { 640, 480, 72 },
282 { 640, 480, 67 },
283 { 640, 480, 60 },
284 { 720, 400, 88 },
285 { 720, 400, 70 }
286 },
287 {
288 { 1280, 1024, 75 },
289 { 1024, 768, 75 },
290 { 1024, 768, 70 },
291 { 1024, 768, 60 },
292 { 1024, 768, 87 },
293 { 832, 624, 75 },
294 { 800, 600, 75 },
295 { 800, 600, 72 }
296 },
297 {
298 { 0, 0, 0 },
299 { 0, 0, 0 },
300 { 0, 0, 0 },
301 { 0, 0, 0 },
302 { 0, 0, 0 },
303 { 0, 0, 0 },
304 { 0, 0, 0 },
305 { 1152, 870, 75 }
306 },
307 };
308
309 int i, j, idx;
310
311 idx = 0;
312 for (i = 0; i < 3; ++i)
313 {
314 for (j = 0; j < 8; ++j)
315 {
316 int byte = edid[0x23 + i];
317
318 if (get_bit (byte, j) && established[i][j].frequency != 0)
319 info->established[idx++] = established[i][j];
320 }
321 }
322 return TRUE;
323 }
324
325 static int
decode_standard_timings(const uchar * edid,MonitorInfo * info)326 decode_standard_timings (const uchar *edid, MonitorInfo *info)
327 {
328 int i;
329
330 for (i = 0; i < 8; i++)
331 {
332 int first = edid[0x26 + 2 * i];
333 int second = edid[0x27 + 2 * i];
334
335 if (first != 0x01 && second != 0x01)
336 {
337 int w = 8 * (first + 31);
338 int h = 0;
339
340 switch (get_bits (second, 6, 7))
341 {
342 case 0x00: h = (w / 16) * 10; break;
343 case 0x01: h = (w / 4) * 3; break;
344 case 0x02: h = (w / 5) * 4; break;
345 case 0x03: h = (w / 16) * 9; break;
346 }
347
348 info->standard[i].width = w;
349 info->standard[i].height = h;
350 info->standard[i].frequency = get_bits (second, 0, 5) + 60;
351 }
352 }
353
354 return TRUE;
355 }
356
357 static void
decode_lf_string(const uchar * s,int n_chars,char * result)358 decode_lf_string (const uchar *s, int n_chars, char *result)
359 {
360 int i;
361 for (i = 0; i < n_chars; ++i)
362 {
363 if (s[i] == 0x0a)
364 {
365 *result++ = '\0';
366 break;
367 }
368 else if (s[i] == 0x00)
369 {
370 /* Convert embedded 0's to spaces */
371 *result++ = ' ';
372 }
373 else
374 {
375 *result++ = s[i];
376 }
377 }
378 }
379
380 static void
decode_display_descriptor(const uchar * desc,MonitorInfo * info)381 decode_display_descriptor (const uchar *desc,
382 MonitorInfo *info)
383 {
384 switch (desc[0x03])
385 {
386 case 0xFC:
387 decode_lf_string (desc + 5, 13, info->dsc_product_name);
388 break;
389 case 0xFF:
390 decode_lf_string (desc + 5, 13, info->dsc_serial_number);
391 break;
392 case 0xFE:
393 decode_lf_string (desc + 5, 13, info->dsc_string);
394 break;
395 case 0xFD:
396 /* Range Limits */
397 break;
398 case 0xFB:
399 /* Color Point */
400 break;
401 case 0xFA:
402 /* Timing Identifications */
403 break;
404 case 0xF9:
405 /* Color Management */
406 break;
407 case 0xF8:
408 /* Timing Codes */
409 break;
410 case 0xF7:
411 /* Established Timings */
412 break;
413 case 0x10:
414 break;
415 }
416 }
417
418 static void
decode_detailed_timing(const uchar * timing,DetailedTiming * detailed)419 decode_detailed_timing (const uchar *timing,
420 DetailedTiming *detailed)
421 {
422 int bits;
423 StereoType stereo[] =
424 {
425 NO_STEREO, NO_STEREO, FIELD_RIGHT, FIELD_LEFT,
426 TWO_WAY_RIGHT_ON_EVEN, TWO_WAY_LEFT_ON_EVEN,
427 FOUR_WAY_INTERLEAVED, SIDE_BY_SIDE
428 };
429
430 detailed->pixel_clock = (timing[0x00] | timing[0x01] << 8) * 10000;
431 detailed->h_addr = timing[0x02] | ((timing[0x04] & 0xf0) << 4);
432 detailed->h_blank = timing[0x03] | ((timing[0x04] & 0x0f) << 8);
433 detailed->v_addr = timing[0x05] | ((timing[0x07] & 0xf0) << 4);
434 detailed->v_blank = timing[0x06] | ((timing[0x07] & 0x0f) << 8);
435 detailed->h_front_porch = timing[0x08] | get_bits (timing[0x0b], 6, 7) << 8;
436 detailed->h_sync = timing[0x09] | get_bits (timing[0x0b], 4, 5) << 8;
437 detailed->v_front_porch =
438 get_bits (timing[0x0a], 4, 7) | get_bits (timing[0x0b], 2, 3) << 4;
439 detailed->v_sync =
440 get_bits (timing[0x0a], 0, 3) | get_bits (timing[0x0b], 0, 1) << 4;
441 detailed->width_mm = timing[0x0c] | get_bits (timing[0x0e], 4, 7) << 8;
442 detailed->height_mm = timing[0x0d] | get_bits (timing[0x0e], 0, 3) << 8;
443 detailed->right_border = timing[0x0f];
444 detailed->top_border = timing[0x10];
445
446 detailed->interlaced = get_bit (timing[0x11], 7);
447
448 /* Stereo */
449 bits = get_bits (timing[0x11], 5, 6) << 1 | get_bit (timing[0x11], 0);
450 detailed->stereo = stereo[bits];
451
452 /* Sync */
453 bits = timing[0x11];
454
455 detailed->digital_sync = get_bit (bits, 4);
456 if (detailed->digital_sync)
457 {
458 detailed->digital.composite = !get_bit (bits, 3);
459
460 if (detailed->digital.composite)
461 {
462 detailed->digital.serrations = get_bit (bits, 2);
463 detailed->digital.negative_vsync = FALSE;
464 }
465 else
466 {
467 detailed->digital.serrations = FALSE;
468 detailed->digital.negative_vsync = !get_bit (bits, 2);
469 }
470
471 detailed->digital.negative_hsync = !get_bit (bits, 0);
472 }
473 else
474 {
475 detailed->analog.bipolar = get_bit (bits, 3);
476 detailed->analog.serrations = get_bit (bits, 2);
477 detailed->analog.sync_on_green = !get_bit (bits, 1);
478 }
479 }
480
481 static int
decode_descriptors(const uchar * edid,MonitorInfo * info)482 decode_descriptors (const uchar *edid, MonitorInfo *info)
483 {
484 int i;
485 int timing_idx;
486
487 timing_idx = 0;
488
489 for (i = 0; i < 4; ++i)
490 {
491 int index = 0x36 + i * 18;
492
493 if (edid[index + 0] == 0x00 && edid[index + 1] == 0x00)
494 {
495 decode_display_descriptor (edid + index, info);
496 }
497 else
498 {
499 decode_detailed_timing (
500 edid + index, &(info->detailed_timings[timing_idx++]));
501 }
502 }
503
504 info->n_detailed_timings = timing_idx;
505
506 return TRUE;
507 }
508
509 static void
decode_check_sum(const uchar * edid,MonitorInfo * info)510 decode_check_sum (const uchar *edid,
511 MonitorInfo *info)
512 {
513 int i;
514 uchar check = 0;
515
516 for (i = 0; i < 128; ++i)
517 check += edid[i];
518
519 info->checksum = check;
520 }
521
522 MonitorInfo *
decode_edid(const uchar * edid)523 decode_edid (const uchar *edid)
524 {
525 MonitorInfo *info = calloc (1, sizeof (MonitorInfo));
526
527 decode_check_sum (edid, info);
528
529 if (!decode_header (edid) ||
530 !decode_vendor_and_product_identification (edid, info) ||
531 !decode_edid_version (edid, info) ||
532 !decode_display_parameters (edid, info) ||
533 !decode_color_characteristics (edid, info) ||
534 !decode_established_timings (edid, info) ||
535 !decode_standard_timings (edid, info) ||
536 !decode_descriptors (edid, info)) {
537 free(info);
538 return NULL;
539 }
540
541 return info;
542 }
543
544 static const char *
yesno(int v)545 yesno (int v)
546 {
547 return v? "yes" : "no";
548 }
549
550 void
dump_monitor_info(MonitorInfo * info)551 dump_monitor_info (MonitorInfo *info)
552 {
553 int i;
554
555 printf ("Checksum: %d (%s)\n",
556 info->checksum, info->checksum? "incorrect" : "correct");
557 printf ("Manufacturer Code: %s\n", info->manufacturer_code);
558 printf ("Product Code: 0x%x\n", info->product_code);
559 printf ("Serial Number: %u\n", info->serial_number);
560
561 if (info->production_week != -1)
562 printf ("Production Week: %d\n", info->production_week);
563 else
564 printf ("Production Week: unspecified\n");
565
566 if (info->production_year != -1)
567 printf ("Production Year: %d\n", info->production_year);
568 else
569 printf ("Production Year: unspecified\n");
570
571 if (info->model_year != -1)
572 printf ("Model Year: %d\n", info->model_year);
573 else
574 printf ("Model Year: unspecified\n");
575
576 printf ("EDID revision: %d.%d\n", info->major_version, info->minor_version);
577
578 printf ("Display is %s\n", info->is_digital? "digital" : "analog");
579 if (info->is_digital)
580 {
581 const char *interface;
582 if (info->digital.bits_per_primary != -1)
583 printf ("Bits Per Primary: %d\n", info->digital.bits_per_primary);
584 else
585 printf ("Bits Per Primary: undefined\n");
586
587 switch (info->digital.interface)
588 {
589 case DVI: interface = "DVI"; break;
590 case HDMI_A: interface = "HDMI-a"; break;
591 case HDMI_B: interface = "HDMI-b"; break;
592 case MDDI: interface = "MDDI"; break;
593 case DISPLAY_PORT: interface = "DisplayPort"; break;
594 case UNDEFINED: interface = "undefined"; break;
595 default: interface = "unknown"; break;
596 }
597 printf ("Interface: %s\n", interface);
598
599 printf ("RGB 4:4:4: %s\n", yesno (info->digital.rgb444));
600 printf ("YCrCb 4:4:4: %s\n", yesno (info->digital.ycrcb444));
601 printf ("YCrCb 4:2:2: %s\n", yesno (info->digital.ycrcb422));
602 }
603 else
604 {
605 const char *s;
606 printf ("Video Signal Level: %f\n", info->analog.video_signal_level);
607 printf ("Sync Signal Level: %f\n", info->analog.sync_signal_level);
608 printf ("Total Signal Level: %f\n", info->analog.total_signal_level);
609
610 printf ("Blank to Black: %s\n",
611 yesno (info->analog.blank_to_black));
612 printf ("Separate HV Sync: %s\n",
613 yesno (info->analog.separate_hv_sync));
614 printf ("Composite Sync on H: %s\n",
615 yesno (info->analog.composite_sync_on_h));
616 printf ("Serration on VSync: %s\n",
617 yesno (info->analog.serration_on_vsync));
618
619 switch (info->analog.color_type)
620 {
621 case UNDEFINED_COLOR: s = "undefined"; break;
622 case MONOCHROME: s = "monochrome"; break;
623 case RGB: s = "rgb"; break;
624 case OTHER_COLOR: s = "other color"; break;
625 default: s = "unknown"; break;
626 };
627
628 printf ("Color: %s\n", s);
629 }
630
631 if (info->width_mm == -1)
632 printf ("Width: undefined\n");
633 else
634 printf ("Width: %d mm\n", info->width_mm);
635
636 if (info->height_mm == -1)
637 printf ("Height: undefined\n");
638 else
639 printf ("Height: %d mm\n", info->height_mm);
640
641 if (info->aspect_ratio > 0)
642 printf ("Aspect Ratio: %f\n", info->aspect_ratio);
643 else
644 printf ("Aspect Ratio: undefined\n");
645
646 if (info->gamma >= 0)
647 printf ("Gamma: %f\n", info->gamma);
648 else
649 printf ("Gamma: undefined\n");
650
651 printf ("Standby: %s\n", yesno (info->standby));
652 printf ("Suspend: %s\n", yesno (info->suspend));
653 printf ("Active Off: %s\n", yesno (info->active_off));
654
655 printf ("SRGB is Standard: %s\n", yesno (info->srgb_is_standard));
656 printf ("Preferred Timing Includes Native: %s\n",
657 yesno (info->preferred_timing_includes_native));
658 printf ("Continuous Frequency: %s\n", yesno (info->continuous_frequency));
659
660 printf ("Red X: %f\n", info->red_x);
661 printf ("Red Y: %f\n", info->red_y);
662 printf ("Green X: %f\n", info->green_x);
663 printf ("Green Y: %f\n", info->green_y);
664 printf ("Blue X: %f\n", info->blue_x);
665 printf ("Blue Y: %f\n", info->blue_y);
666 printf ("White X: %f\n", info->white_x);
667 printf ("White Y: %f\n", info->white_y);
668
669 printf ("Established Timings:\n");
670
671 for (i = 0; i < 24; ++i)
672 {
673 Timing *timing = &(info->established[i]);
674
675 if (timing->frequency == 0)
676 break;
677
678 printf (" %d x %d @ %d Hz\n",
679 timing->width, timing->height, timing->frequency);
680
681 }
682
683 printf ("Standard Timings:\n");
684 for (i = 0; i < 8; ++i)
685 {
686 Timing *timing = &(info->standard[i]);
687
688 if (timing->frequency == 0)
689 break;
690
691 printf (" %d x %d @ %d Hz\n",
692 timing->width, timing->height, timing->frequency);
693 }
694
695 for (i = 0; i < info->n_detailed_timings; ++i)
696 {
697 DetailedTiming *timing = &(info->detailed_timings[i]);
698 const char *s;
699
700 printf ("Timing%s: \n",
701 (i == 0 && info->preferred_timing_includes_native)?
702 " (Preferred)" : "");
703 printf (" Pixel Clock: %d\n", timing->pixel_clock);
704 printf (" H Addressable: %d\n", timing->h_addr);
705 printf (" H Blank: %d\n", timing->h_blank);
706 printf (" H Front Porch: %d\n", timing->h_front_porch);
707 printf (" H Sync: %d\n", timing->h_sync);
708 printf (" V Addressable: %d\n", timing->v_addr);
709 printf (" V Blank: %d\n", timing->v_blank);
710 printf (" V Front Porch: %d\n", timing->v_front_porch);
711 printf (" V Sync: %d\n", timing->v_sync);
712 printf (" Width: %d mm\n", timing->width_mm);
713 printf (" Height: %d mm\n", timing->height_mm);
714 printf (" Right Border: %d\n", timing->right_border);
715 printf (" Top Border: %d\n", timing->top_border);
716 switch (timing->stereo)
717 {
718 default:
719 case NO_STEREO: s = "No Stereo"; break;
720 case FIELD_RIGHT: s = "Field Sequential, Right on Sync"; break;
721 case FIELD_LEFT: s = "Field Sequential, Left on Sync"; break;
722 case TWO_WAY_RIGHT_ON_EVEN: s = "Two-way, Right on Even"; break;
723 case TWO_WAY_LEFT_ON_EVEN: s = "Two-way, Left on Even"; break;
724 case FOUR_WAY_INTERLEAVED: s = "Four-way Interleaved"; break;
725 case SIDE_BY_SIDE: s = "Side-by-Side"; break;
726 }
727 printf (" Stereo: %s\n", s);
728
729 if (timing->digital_sync)
730 {
731 printf (" Digital Sync:\n");
732 printf (" composite: %s\n", yesno (timing->digital.composite));
733 printf (" serrations: %s\n", yesno (timing->digital.serrations));
734 printf (" negative vsync: %s\n",
735 yesno (timing->digital.negative_vsync));
736 printf (" negative hsync: %s\n",
737 yesno (timing->digital.negative_hsync));
738 }
739 else
740 {
741 printf (" Analog Sync:\n");
742 printf (" bipolar: %s\n", yesno (timing->analog.bipolar));
743 printf (" serrations: %s\n", yesno (timing->analog.serrations));
744 printf (" sync on green: %s\n", yesno (
745 timing->analog.sync_on_green));
746 }
747 }
748
749 printf ("Detailed Product information:\n");
750 printf (" Product Name: %s\n", info->dsc_product_name);
751 printf (" Serial Number: %s\n", info->dsc_serial_number);
752 printf (" Unspecified String: %s\n", info->dsc_string);
753 }
754
755