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gerrit-public.fairphone.software / platform / hardware / qcom / audio / dcb434424986ce448b402699bc4b18ef9c905b7c / . / hal / edid.c
blob: 9b05950b57b903af711da83062b50c83e5a6fd3b [file] [log] [blame]
Pradnya Chaphekar4403bd72014-09-09 09:50:01 -0700[diff] [blame]1/*
2 * Copyright (c) 2014, The Linux Foundation. All rights reserved.
3 * Not a Contribution.
4 *
5 * Copyright (C) 2014 The Android Open Source Project
6 *
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 */
19
20#define LOG_TAG "audio_hw_edid"
21/*#define LOG_NDEBUG 0*/
22/*#define LOG_NDDEBUG 0*/
23
24#include <errno.h>
25#include <cutils/properties.h>
26#include <stdlib.h>
27#include <dlfcn.h>
28#include <cutils/str_parms.h>
29#include <cutils/log.h>
30
31#include "audio_hw.h"
32#include "platform.h"
33#include "platform_api.h"
34#include "edid.h"
35
36static const char * edid_format_to_str(unsigned char format)
37{
38 char * format_str = "??";
39
40 switch (format) {
41 case LPCM:
42 format_str = "Format:LPCM";
43 break;
44 case AC3:
45 format_str = "Format:AC-3";
46 break;
47 case MPEG1:
48 format_str = "Format:MPEG1 (Layers 1 & 2)";
49 break;
50 case MP3:
51 format_str = "Format:MP3 (MPEG1 Layer 3)";
52 break;
53 case MPEG2_MULTI_CHANNEL:
54 format_str = "Format:MPEG2 (multichannel)";
55 break;
56 case AAC:
57 format_str = "Format:AAC";
58 break;
59 case DTS:
60 format_str = "Format:DTS";
61 break;
62 case ATRAC:
63 format_str = "Format:ATRAC";
64 break;
65 case SACD:
66 format_str = "Format:One-bit audio aka SACD";
67 break;
68 case DOLBY_DIGITAL_PLUS:
69 format_str = "Format:Dolby Digital +";
70 break;
71 case DTS_HD:
72 format_str = "Format:DTS-HD";
73 break;
74 case MAT:
75 format_str = "Format:MAT (MLP)";
76 break;
77 case DST:
78 format_str = "Format:DST";
79 break;
80 case WMA_PRO:
81 format_str = "Format:WMA Pro";
82 break;
83 default:
84 break;
85 }
86 return format_str;
87}
88
89static int get_edid_sf(unsigned char byte)
90{
91 int nfreq = 0;
92
93 if (byte & BIT(6)) {
94 ALOGV("192kHz");
95 nfreq = 192000;
96 } else if (byte & BIT(5)) {
97 ALOGV("176kHz");
98 nfreq = 176000;
99 } else if (byte & BIT(4)) {
100 ALOGV("96kHz");
101 nfreq = 96000;
102 } else if (byte & BIT(3)) {
103 ALOGV("88.2kHz");
104 nfreq = 88200;
105 } else if (byte & BIT(2)) {
106 ALOGV("48kHz");
107 nfreq = 48000;
108 } else if (byte & BIT(1)) {
109 ALOGV("44.1kHz");
110 nfreq = 44100;
111 } else if (byte & BIT(0)) {
112 ALOGV("32kHz");
113 nfreq = 32000;
114 }
115 return nfreq;
116}
117
118static int get_edid_bps(unsigned char byte,
119 unsigned char format)
120{
121 int bits_per_sample = 0;
122 if (format == 1) {
123 if (byte & BIT(2)) {
124 ALOGV("24bit");
125 bits_per_sample = 24;
126 } else if (byte & BIT(1)) {
127 ALOGV("20bit");
128 bits_per_sample = 20;
129 } else if (byte & BIT(0)) {
130 ALOGV("16bit");
131 bits_per_sample = 16;
132 }
133 } else {
134 ALOGV("not lpcm format, return 0");
135 return 0;
136 }
137 return bits_per_sample;
138}
139
140static void update_channel_map(edid_audio_info* info)
141{
142 /* HDMI Cable follows CEA standard so SAD is received in CEA
143 * Input source file channel map is fed to ASM in WAV standard(audio.h)
144 * so upto 7.1 SAD bits are:
145 * in CEA convention: RLC/RRC,FLC/FRC,RC,RL/RR,FC,LFE,FL/FR
146 * in WAV convention: BL/BR,FLC/FRC,BC,SL/SR,FC,LFE,FL/FR
147 * Corresponding ADSP IDs (apr-audio_v2.h):
148 * PCM_CHANNEL_FL/PCM_CHANNEL_FR,
149 * PCM_CHANNEL_LFE,
150 * PCM_CHANNEL_FC,
151 * PCM_CHANNEL_LS/PCM_CHANNEL_RS,
152 * PCM_CHANNEL_CS,
153 * PCM_CHANNEL_FLC/PCM_CHANNEL_FRC
154 * PCM_CHANNEL_LB/PCM_CHANNEL_RB
155 */
156 if (!info)
157 return;
158 memset(info->channel_map, 0, MAX_CHANNELS_SUPPORTED);
159 if(info->speaker_allocation[0] & BIT(0)) {
160 info->channel_map[0] = PCM_CHANNEL_FL;
161 info->channel_map[1] = PCM_CHANNEL_FR;
162 }
163 if(info->speaker_allocation[0] & BIT(1)) {
164 info->channel_map[2] = PCM_CHANNEL_LFE;
165 }
166 if(info->speaker_allocation[0] & BIT(2)) {
167 info->channel_map[3] = PCM_CHANNEL_FC;
168 }
169 if(info->speaker_allocation[0] & BIT(3)) {
170 /*
171 * As per CEA(HDMI Cable) standard Bit 3 is equivalent
172 * to SideLeft/SideRight of WAV standard
173 */
174 info->channel_map[4] = PCM_CHANNEL_LS;
175 info->channel_map[5] = PCM_CHANNEL_RS;
176 }
177 if(info->speaker_allocation[0] & BIT(4)) {
178 if(info->speaker_allocation[0] & BIT(3)) {
179 info->channel_map[6] = PCM_CHANNEL_CS;
180 info->channel_map[7] = 0;
181 } else if (info->speaker_allocation[1] & BIT(1)) {
182 info->channel_map[6] = PCM_CHANNEL_CS;
183 info->channel_map[7] = PCM_CHANNEL_TS;
184 } else if (info->speaker_allocation[1] & BIT(2)) {
185 info->channel_map[6] = PCM_CHANNEL_CS;
186 info->channel_map[7] = PCM_CHANNEL_CVH;
187 } else {
188 info->channel_map[4] = PCM_CHANNEL_CS;
189 info->channel_map[5] = 0;
190 }
191 }
192 if(info->speaker_allocation[0] & BIT(5)) {
193 info->channel_map[6] = PCM_CHANNEL_FLC;
194 info->channel_map[7] = PCM_CHANNEL_FRC;
195 }
196 if(info->speaker_allocation[0] & BIT(6)) {
197 // If RLC/RRC is present, RC is invalid as per specification
198 info->speaker_allocation[0] &= 0xef;
199 /*
200 * As per CEA(HDMI Cable) standard Bit 6 is equivalent
201 * to BackLeft/BackRight of WAV standard
202 */
203 info->channel_map[6] = PCM_CHANNEL_LB;
204 info->channel_map[7] = PCM_CHANNEL_RB;
205 }
206 // higher channel are not defined by LPASS
207 //info->nSpeakerAllocation[0] &= 0x3f;
208 if(info->speaker_allocation[0] & BIT(7)) {
209 info->channel_map[6] = 0; // PCM_CHANNEL_FLW; but not defined by LPASS
210 info->channel_map[7] = 0; // PCM_CHANNEL_FRW; but not defined by LPASS
211 }
212 if(info->speaker_allocation[1] & BIT(0)) {
213 info->channel_map[6] = 0; // PCM_CHANNEL_FLH; but not defined by LPASS
214 info->channel_map[7] = 0; // PCM_CHANNEL_FRH; but not defined by LPASS
215 }
216
217 ALOGI("%s channel map updated to [%d %d %d %d %d %d %d %d ] [%x %x %x]", __func__
218 , info->channel_map[0], info->channel_map[1], info->channel_map[2]
219 , info->channel_map[3], info->channel_map[4], info->channel_map[5]
220 , info->channel_map[6], info->channel_map[7]
221 , info->speaker_allocation[0], info->speaker_allocation[1]
222 , info->speaker_allocation[2]);
223}
224
225static void dump_speaker_allocation(edid_audio_info* info)
226{
227 if (!info)
228 return;
229
230 if (info->speaker_allocation[0] & BIT(7))
231 ALOGV("FLW/FRW");
232 if (info->speaker_allocation[0] & BIT(6))
233 ALOGV("RLC/RRC");
234 if (info->speaker_allocation[0] & BIT(5))
235 ALOGV("FLC/FRC");
236 if (info->speaker_allocation[0] & BIT(4))
237 ALOGV("RC");
238 if (info->speaker_allocation[0] & BIT(3))
239 ALOGV("RL/RR");
240 if (info->speaker_allocation[0] & BIT(2))
241 ALOGV("FC");
242 if (info->speaker_allocation[0] & BIT(1))
243 ALOGV("LFE");
244 if (info->speaker_allocation[0] & BIT(0))
245 ALOGV("FL/FR");
246 if (info->speaker_allocation[1] & BIT(2))
247 ALOGV("FCH");
248 if (info->speaker_allocation[1] & BIT(1))
249 ALOGV("TC");
250 if (info->speaker_allocation[1] & BIT(0))
251 ALOGV("FLH/FRH");
252}
253
254static void update_channel_allocation(edid_audio_info* info)
255{
256 int16_t ca;
257 int16_t spkr_alloc;
258
259 if (!info)
260 return;
261
262 /* Most common 5.1 SAD is 0xF, ca 0x0b
263 * and 7.1 SAD is 0x4F, ca 0x13 */
264 spkr_alloc = ((info->speaker_allocation[1]) << 8) |
265 (info->speaker_allocation[0]);
266 ALOGV("info->nSpeakerAllocation %x %x\n", info->speaker_allocation[0],
267 info->speaker_allocation[1]);
268 ALOGV("spkr_alloc: %x", spkr_alloc);
269
270 /* The below switch case calculates channel allocation values
271 as defined in CEA-861 section 6.6.2 */
272 switch (spkr_alloc) {
273 case BIT(0): ca = 0x00; break;
274 case BIT(0)|BIT(1): ca = 0x01; break;
275 case BIT(0)|BIT(2): ca = 0x02; break;
276 case BIT(0)|BIT(1)|BIT(2): ca = 0x03; break;
277 case BIT(0)|BIT(4): ca = 0x04; break;
278 case BIT(0)|BIT(1)|BIT(4): ca = 0x05; break;
279 case BIT(0)|BIT(2)|BIT(4): ca = 0x06; break;
280 case BIT(0)|BIT(1)|BIT(2)|BIT(4): ca = 0x07; break;
281 case BIT(0)|BIT(3): ca = 0x08; break;
282 case BIT(0)|BIT(1)|BIT(3): ca = 0x09; break;
283 case BIT(0)|BIT(2)|BIT(3): ca = 0x0A; break;
284 case BIT(0)|BIT(1)|BIT(2)|BIT(3): ca = 0x0B; break;
285 case BIT(0)|BIT(3)|BIT(4): ca = 0x0C; break;
286 case BIT(0)|BIT(1)|BIT(3)|BIT(4): ca = 0x0D; break;
287 case BIT(0)|BIT(2)|BIT(3)|BIT(4): ca = 0x0E; break;
288 case BIT(0)|BIT(1)|BIT(2)|BIT(3)|BIT(4): ca = 0x0F; break;
289 case BIT(0)|BIT(3)|BIT(6): ca = 0x10; break;
290 case BIT(0)|BIT(1)|BIT(3)|BIT(6): ca = 0x11; break;
291 case BIT(0)|BIT(2)|BIT(3)|BIT(6): ca = 0x12; break;
292 case BIT(0)|BIT(1)|BIT(2)|BIT(3)|BIT(6): ca = 0x13; break;
293 case BIT(0)|BIT(5): ca = 0x14; break;
294 case BIT(0)|BIT(1)|BIT(5): ca = 0x15; break;
295 case BIT(0)|BIT(2)|BIT(5): ca = 0x16; break;
296 case BIT(0)|BIT(1)|BIT(2)|BIT(5): ca = 0x17; break;
297 case BIT(0)|BIT(4)|BIT(5): ca = 0x18; break;
298 case BIT(0)|BIT(1)|BIT(4)|BIT(5): ca = 0x19; break;
299 case BIT(0)|BIT(2)|BIT(4)|BIT(5): ca = 0x1A; break;
300 case BIT(0)|BIT(1)|BIT(2)|BIT(4)|BIT(5): ca = 0x1B; break;
301 case BIT(0)|BIT(3)|BIT(5): ca = 0x1C; break;
302 case BIT(0)|BIT(1)|BIT(3)|BIT(5): ca = 0x1D; break;
303 case BIT(0)|BIT(2)|BIT(3)|BIT(5): ca = 0x1E; break;
304 case BIT(0)|BIT(1)|BIT(2)|BIT(3)|BIT(5): ca = 0x1F; break;
305 case BIT(0)|BIT(2)|BIT(3)|BIT(10): ca = 0x20; break;
306 case BIT(0)|BIT(1)|BIT(2)|BIT(3)|BIT(10): ca = 0x21; break;
307 case BIT(0)|BIT(2)|BIT(3)|BIT(9): ca = 0x22; break;
308 case BIT(0)|BIT(1)|BIT(2)|BIT(3)|BIT(9): ca = 0x23; break;
309 case BIT(0)|BIT(3)|BIT(8): ca = 0x24; break;
310 case BIT(0)|BIT(1)|BIT(3)|BIT(8): ca = 0x25; break;
311 case BIT(0)|BIT(3)|BIT(7): ca = 0x26; break;
312 case BIT(0)|BIT(1)|BIT(3)|BIT(7): ca = 0x27; break;
313 case BIT(0)|BIT(2)|BIT(3)|BIT(4)|BIT(9): ca = 0x28; break;
314 case BIT(0)|BIT(1)|BIT(2)|BIT(3)|BIT(4)|BIT(9): ca = 0x29; break;
315 case BIT(0)|BIT(2)|BIT(3)|BIT(4)|BIT(10): ca = 0x2A; break;
316 case BIT(0)|BIT(1)|BIT(2)|BIT(3)|BIT(4)|BIT(10): ca = 0x2B; break;
317 case BIT(0)|BIT(2)|BIT(3)|BIT(9)|BIT(10): ca = 0x2C; break;
318 case BIT(0)|BIT(1)|BIT(2)|BIT(3)|BIT(9)|BIT(10): ca = 0x2D; break;
319 case BIT(0)|BIT(2)|BIT(3)|BIT(8): ca = 0x2E; break;
320 case BIT(0)|BIT(1)|BIT(2)|BIT(3)|BIT(8): ca = 0x2F; break;
321 case BIT(0)|BIT(2)|BIT(3)|BIT(7): ca = 0x30; break;
322 case BIT(0)|BIT(1)|BIT(2)|BIT(3)|BIT(7): ca = 0x31; break;
323 default: ca = 0x0; break;
324 }
325 ALOGD("%s channel allocation: %x", __func__, ca);
326 info->channel_allocation = ca;
327}
328
329static void update_channel_map_lpass(edid_audio_info* info)
330{
331 if (!info)
332 return;
333 if (info->channel_allocation < 0 || info->channel_allocation > 0x1f) {
334 ALOGE("Channel allocation out of supported range");
335 return;
336 }
337 ALOGV("channel_allocation 0x%x", info->channel_allocation);
338 memset(info->channel_map, 0, MAX_CHANNELS_SUPPORTED);
339 switch(info->channel_allocation) {
340 case 0x0:
341 info->channel_map[0] = PCM_CHANNEL_FL;
342 info->channel_map[1] = PCM_CHANNEL_FR;
343 break;
344 case 0x1:
345 info->channel_map[0] = PCM_CHANNEL_FL;
346 info->channel_map[1] = PCM_CHANNEL_FR;
347 info->channel_map[2] = PCM_CHANNEL_LFE;
348 break;
349 case 0x2:
350 info->channel_map[0] = PCM_CHANNEL_FL;
351 info->channel_map[1] = PCM_CHANNEL_FR;
352 info->channel_map[2] = PCM_CHANNEL_FC;
353 break;
354 case 0x3:
355 info->channel_map[0] = PCM_CHANNEL_FL;
356 info->channel_map[1] = PCM_CHANNEL_FR;
357 info->channel_map[2] = PCM_CHANNEL_LFE;
358 info->channel_map[3] = PCM_CHANNEL_FC;
359 break;
360 case 0x4:
361 info->channel_map[0] = PCM_CHANNEL_FL;
362 info->channel_map[1] = PCM_CHANNEL_FR;
363 info->channel_map[2] = PCM_CHANNEL_CS;
364 break;
365 case 0x5:
366 info->channel_map[0] = PCM_CHANNEL_FL;
367 info->channel_map[1] = PCM_CHANNEL_FR;
368 info->channel_map[2] = PCM_CHANNEL_LFE;
369 info->channel_map[3] = PCM_CHANNEL_CS;
370 break;
371 case 0x6:
372 info->channel_map[0] = PCM_CHANNEL_FL;
373 info->channel_map[1] = PCM_CHANNEL_FR;
374 info->channel_map[2] = PCM_CHANNEL_FC;
375 info->channel_map[3] = PCM_CHANNEL_CS;
376 break;
377 case 0x7:
378 info->channel_map[0] = PCM_CHANNEL_FL;
379 info->channel_map[1] = PCM_CHANNEL_FR;
380 info->channel_map[2] = PCM_CHANNEL_LFE;
381 info->channel_map[3] = PCM_CHANNEL_FC;
382 info->channel_map[4] = PCM_CHANNEL_CS;
383 break;
384 case 0x8:
385 info->channel_map[0] = PCM_CHANNEL_FL;
386 info->channel_map[1] = PCM_CHANNEL_FR;
387 info->channel_map[2] = PCM_CHANNEL_LS;
388 info->channel_map[3] = PCM_CHANNEL_RS;
389 break;
390 case 0x9:
391 info->channel_map[0] = PCM_CHANNEL_FL;
392 info->channel_map[1] = PCM_CHANNEL_FR;
393 info->channel_map[2] = PCM_CHANNEL_LFE;
394 info->channel_map[3] = PCM_CHANNEL_LS;
395 info->channel_map[4] = PCM_CHANNEL_RS;
396 break;
397 case 0xa:
398 info->channel_map[0] = PCM_CHANNEL_FL;
399 info->channel_map[1] = PCM_CHANNEL_FR;
400 info->channel_map[2] = PCM_CHANNEL_FC;
401 info->channel_map[3] = PCM_CHANNEL_LS;
402 info->channel_map[4] = PCM_CHANNEL_RS;
403 break;
404 case 0xb:
405 info->channel_map[0] = PCM_CHANNEL_FL;
406 info->channel_map[1] = PCM_CHANNEL_FR;
407 info->channel_map[2] = PCM_CHANNEL_LFE;
408 info->channel_map[3] = PCM_CHANNEL_FC;
409 info->channel_map[4] = PCM_CHANNEL_LS;
410 info->channel_map[5] = PCM_CHANNEL_RS;
411 break;
412 case 0xc:
413 info->channel_map[0] = PCM_CHANNEL_FL;
414 info->channel_map[1] = PCM_CHANNEL_FR;
415 info->channel_map[2] = PCM_CHANNEL_LS;
416 info->channel_map[3] = PCM_CHANNEL_RS;
417 info->channel_map[4] = PCM_CHANNEL_CS;
418 break;
419 case 0xd:
420 info->channel_map[0] = PCM_CHANNEL_FL;
421 info->channel_map[1] = PCM_CHANNEL_FR;
422 info->channel_map[2] = PCM_CHANNEL_LFE;
423 info->channel_map[3] = PCM_CHANNEL_LS;
424 info->channel_map[4] = PCM_CHANNEL_RS;
425 info->channel_map[5] = PCM_CHANNEL_CS;
426 break;
427 case 0xe:
428 info->channel_map[0] = PCM_CHANNEL_FL;
429 info->channel_map[1] = PCM_CHANNEL_FR;
430 info->channel_map[2] = PCM_CHANNEL_FC;
431 info->channel_map[3] = PCM_CHANNEL_LS;
432 info->channel_map[4] = PCM_CHANNEL_RS;
433 info->channel_map[5] = PCM_CHANNEL_CS;
434 break;
435 case 0xf:
436 info->channel_map[0] = PCM_CHANNEL_FL;
437 info->channel_map[1] = PCM_CHANNEL_FR;
438 info->channel_map[2] = PCM_CHANNEL_LFE;
439 info->channel_map[3] = PCM_CHANNEL_FC;
440 info->channel_map[4] = PCM_CHANNEL_LS;
441 info->channel_map[5] = PCM_CHANNEL_RS;
442 info->channel_map[6] = PCM_CHANNEL_CS;
443 break;
444 case 0x10:
445 info->channel_map[0] = PCM_CHANNEL_FL;
446 info->channel_map[1] = PCM_CHANNEL_FR;
447 info->channel_map[2] = PCM_CHANNEL_LS;
448 info->channel_map[3] = PCM_CHANNEL_RS;
449 info->channel_map[4] = PCM_CHANNEL_LB;
450 info->channel_map[5] = PCM_CHANNEL_RB;
451 break;
452 case 0x11:
453 info->channel_map[0] = PCM_CHANNEL_FL;
454 info->channel_map[1] = PCM_CHANNEL_FR;
455 info->channel_map[2] = PCM_CHANNEL_LFE;
456 info->channel_map[3] = PCM_CHANNEL_LS;
457 info->channel_map[4] = PCM_CHANNEL_RS;
458 info->channel_map[5] = PCM_CHANNEL_LB;
459 info->channel_map[6] = PCM_CHANNEL_RB;
460 break;
461 case 0x12:
462 info->channel_map[0] = PCM_CHANNEL_FL;
463 info->channel_map[1] = PCM_CHANNEL_FR;
464 info->channel_map[2] = PCM_CHANNEL_FC;
465 info->channel_map[3] = PCM_CHANNEL_LS;
466 info->channel_map[4] = PCM_CHANNEL_RS;
467 info->channel_map[5] = PCM_CHANNEL_LB;
468 info->channel_map[6] = PCM_CHANNEL_RB;
469 break;
470 case 0x13:
471 info->channel_map[0] = PCM_CHANNEL_FL;
472 info->channel_map[1] = PCM_CHANNEL_FR;
473 info->channel_map[2] = PCM_CHANNEL_LFE;
474 info->channel_map[3] = PCM_CHANNEL_FC;
475 info->channel_map[4] = PCM_CHANNEL_LS;
476 info->channel_map[5] = PCM_CHANNEL_RS;
477 info->channel_map[6] = PCM_CHANNEL_LB;
478 info->channel_map[7] = PCM_CHANNEL_RB;
479 break;
480 case 0x14:
481 info->channel_map[0] = PCM_CHANNEL_FL;
482 info->channel_map[1] = PCM_CHANNEL_FR;
483 info->channel_map[2] = PCM_CHANNEL_FLC;
484 info->channel_map[3] = PCM_CHANNEL_FRC;
485 break;
486 case 0x15:
487 info->channel_map[0] = PCM_CHANNEL_FL;
488 info->channel_map[1] = PCM_CHANNEL_FR;
489 info->channel_map[2] = PCM_CHANNEL_LFE;
490 info->channel_map[3] = PCM_CHANNEL_FLC;
491 info->channel_map[4] = PCM_CHANNEL_FRC;
492 break;
493 case 0x16:
494 info->channel_map[0] = PCM_CHANNEL_FL;
495 info->channel_map[1] = PCM_CHANNEL_FR;
496 info->channel_map[2] = PCM_CHANNEL_FC;
497 info->channel_map[3] = PCM_CHANNEL_FLC;
498 info->channel_map[4] = PCM_CHANNEL_FRC;
499 break;
500 case 0x17:
501 info->channel_map[0] = PCM_CHANNEL_FL;
502 info->channel_map[1] = PCM_CHANNEL_FR;
503 info->channel_map[2] = PCM_CHANNEL_LFE;
504 info->channel_map[3] = PCM_CHANNEL_FC;
505 info->channel_map[4] = PCM_CHANNEL_FLC;
506 info->channel_map[5] = PCM_CHANNEL_FRC;
507 break;
508 case 0x18:
509 info->channel_map[0] = PCM_CHANNEL_FL;
510 info->channel_map[1] = PCM_CHANNEL_FR;
511 info->channel_map[2] = PCM_CHANNEL_CS;
512 info->channel_map[3] = PCM_CHANNEL_FLC;
513 info->channel_map[4] = PCM_CHANNEL_FRC;
514 break;
515 case 0x19:
516 info->channel_map[0] = PCM_CHANNEL_FL;
517 info->channel_map[1] = PCM_CHANNEL_FR;
518 info->channel_map[2] = PCM_CHANNEL_LFE;
519 info->channel_map[3] = PCM_CHANNEL_CS;
520 info->channel_map[4] = PCM_CHANNEL_FLC;
521 info->channel_map[5] = PCM_CHANNEL_FRC;
522 break;
523 case 0x1a:
524 info->channel_map[0] = PCM_CHANNEL_FL;
525 info->channel_map[1] = PCM_CHANNEL_FR;
526 info->channel_map[2] = PCM_CHANNEL_FC;
527 info->channel_map[3] = PCM_CHANNEL_CS;
528 info->channel_map[4] = PCM_CHANNEL_FLC;
529 info->channel_map[5] = PCM_CHANNEL_FRC;
530 break;
531 case 0x1b:
532 info->channel_map[0] = PCM_CHANNEL_FL;
533 info->channel_map[1] = PCM_CHANNEL_FR;
534 info->channel_map[2] = PCM_CHANNEL_LFE;
535 info->channel_map[3] = PCM_CHANNEL_FC;
536 info->channel_map[4] = PCM_CHANNEL_CS;
537 info->channel_map[5] = PCM_CHANNEL_FLC;
538 info->channel_map[6] = PCM_CHANNEL_FRC;
539 break;
540 case 0x1c:
541 info->channel_map[0] = PCM_CHANNEL_FL;
542 info->channel_map[1] = PCM_CHANNEL_FR;
543 info->channel_map[2] = PCM_CHANNEL_LS;
544 info->channel_map[3] = PCM_CHANNEL_RS;
545 info->channel_map[4] = PCM_CHANNEL_FLC;
546 info->channel_map[5] = PCM_CHANNEL_FRC;
547 break;
548 case 0x1d:
549 info->channel_map[0] = PCM_CHANNEL_FL;
550 info->channel_map[1] = PCM_CHANNEL_FR;
551 info->channel_map[2] = PCM_CHANNEL_LFE;
552 info->channel_map[3] = PCM_CHANNEL_LS;
553 info->channel_map[4] = PCM_CHANNEL_RS;
554 info->channel_map[5] = PCM_CHANNEL_FLC;
555 info->channel_map[6] = PCM_CHANNEL_FRC;
556 break;
557 case 0x1e:
558 info->channel_map[0] = PCM_CHANNEL_FL;
559 info->channel_map[1] = PCM_CHANNEL_FR;
560 info->channel_map[2] = PCM_CHANNEL_FC;
561 info->channel_map[3] = PCM_CHANNEL_LS;
562 info->channel_map[4] = PCM_CHANNEL_RS;
563 info->channel_map[5] = PCM_CHANNEL_FLC;
564 info->channel_map[6] = PCM_CHANNEL_FRC;
565 break;
566 case 0x1f:
567 info->channel_map[0] = PCM_CHANNEL_FL;
568 info->channel_map[1] = PCM_CHANNEL_FR;
569 info->channel_map[2] = PCM_CHANNEL_LFE;
570 info->channel_map[3] = PCM_CHANNEL_FC;
571 info->channel_map[4] = PCM_CHANNEL_LS;
572 info->channel_map[5] = PCM_CHANNEL_RS;
573 info->channel_map[6] = PCM_CHANNEL_FLC;
574 info->channel_map[7] = PCM_CHANNEL_FRC;
575 break;
576 default:
577 break;
578 }
579 ALOGD("%s channel map updated to [%d %d %d %d %d %d %d %d ]", __func__
580 , info->channel_map[0], info->channel_map[1], info->channel_map[2]
581 , info->channel_map[3], info->channel_map[4], info->channel_map[5]
582 , info->channel_map[6], info->channel_map[7]);
583}
584
585static void dump_edid_data(edid_audio_info *info)
586{
587
588 int i;
589 for (i = 0; i < info->audio_blocks && i < MAX_EDID_BLOCKS; i++) {
590 ALOGV("%s:FormatId:%d rate:%d bps:%d channels:%d", __func__,
591 info->audio_blocks_array[i].format_id,
592 info->audio_blocks_array[i].sampling_freq,
593 info->audio_blocks_array[i].bits_per_sample,
594 info->audio_blocks_array[i].channels);
595 }
596 ALOGV("%s:no of audio blocks:%d", __func__, info->audio_blocks);
597 ALOGV("%s:speaker allocation:[%x %x %x]", __func__,
598 info->speaker_allocation[0], info->speaker_allocation[1],
599 info->speaker_allocation[2]);
600 ALOGV("%s:channel map:[%x %x %x %x %x %x %x %x]", __func__,
601 info->channel_map[0], info->channel_map[1],
602 info->channel_map[2], info->channel_map[3],
603 info->channel_map[4], info->channel_map[5],
604 info->channel_map[6], info->channel_map[7]);
605 ALOGV("%s:channel allocation:%d", __func__, info->channel_allocation);
606 ALOGV("%s:[%d %d %d %d %d %d %d %d ]", __func__,
607 info->channel_map[0], info->channel_map[1],
608 info->channel_map[2], info->channel_map[3],
609 info->channel_map[4], info->channel_map[5],
610 info->channel_map[6], info->channel_map[7]);
611}
612
613bool edid_get_sink_caps(edid_audio_info* info, char *edid_data)
614{
615 unsigned char channels[MAX_EDID_BLOCKS];
616 unsigned char formats[MAX_EDID_BLOCKS];
617 unsigned char frequency[MAX_EDID_BLOCKS];
618 unsigned char bitrate[MAX_EDID_BLOCKS];
619 int i = 0;
620 int length, count_desc;
621
622 if (!info || !edid_data) {
623 ALOGE("No valid EDID");
624 return false;
625 }
626
627 length = (int) *edid_data++;
628 ALOGV("Total length is %d",length);
629
630 count_desc = length/MIN_AUDIO_DESC_LENGTH;
631
632 if (!count_desc) {
633 ALOGE("insufficient descriptors");
634 return false;
635 }
636
637 memset(info, 0, sizeof(edid_audio_info));
638
639 info->audio_blocks = count_desc-1;
640 if (info->audio_blocks > MAX_EDID_BLOCKS) {
641 info->audio_blocks = MAX_EDID_BLOCKS;
642 }
643
644 ALOGV("Total # of audio descriptors %d",count_desc);
645
646 for (i=0; i<info->audio_blocks; i++) {
647 // last block for speaker allocation;
648 channels [i] = (*edid_data & 0x7) + 1;
649 formats [i] = (*edid_data++) >> 3;
650 frequency[i] = *edid_data++;
651 bitrate [i] = *edid_data++;
652 }
653 info->speaker_allocation[0] = *edid_data++;
654 info->speaker_allocation[1] = *edid_data++;
655 info->speaker_allocation[2] = *edid_data++;
656
657 update_channel_map(info);
658 update_channel_allocation(info);
659 update_channel_map_lpass(info);
660
661 for (i=0; i<info->audio_blocks; i++) {
662 ALOGV("AUDIO DESC BLOCK # %d\n",i);
663
664 info->audio_blocks_array[i].channels = channels[i];
665 ALOGV("info->audio_blocks_array[i].channels %d\n",
666 info->audio_blocks_array[i].channels);
667
668 ALOGV("Format Byte %d\n", formats[i]);
669 info->audio_blocks_array[i].format_id = (edid_audio_format_id)formats[i];
670 ALOGV("info->audio_blocks_array[i].format_id %s",
671 edid_format_to_str(formats[i]));
672
673 ALOGV("Frequency Byte %d\n", frequency[i]);
674 info->audio_blocks_array[i].sampling_freq = get_edid_sf(frequency[i]);
675 ALOGV("info->audio_blocks_array[i].sampling_freq %d",
676 info->audio_blocks_array[i].sampling_freq);
677
678 ALOGV("BitsPerSample Byte %d\n", bitrate[i]);
679 info->audio_blocks_array[i].bits_per_sample =
680 get_edid_bps(bitrate[i],formats[i]);
681 ALOGV("info->audio_blocks_array[i].bits_per_sample %d",
682 info->audio_blocks_array[i].bits_per_sample);
683 }
684 dump_speaker_allocation(info);
685 dump_edid_data(info);
686 return true;
687}