1 /* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #define LOG_TAG "platform_info" 18 #define LOG_NDDEBUG 0 19 20 #include <errno.h> 21 #include <stdio.h> 22 #include <expat.h> 23 #include <log/log.h> 24 #include <audio_hw.h> 25 #include "platform_api.h" 26 #include <platform.h> 27 #include <math.h> 28 29 typedef enum { 30 ROOT, 31 ACDB, 32 PCM_ID, 33 BACKEND_NAME, 34 CONFIG_PARAMS, 35 OPERATOR_SPECIFIC, 36 GAIN_LEVEL_MAPPING, 37 APP_TYPE, 38 MICROPHONE_CHARACTERISTIC, 39 SND_DEVICES, 40 INPUT_SND_DEVICE, 41 INPUT_SND_DEVICE_TO_MIC_MAPPING, 42 SND_DEV, 43 MIC_INFO, 44 ACDB_METAINFO_KEY, 45 } section_t; 46 47 typedef void (* section_process_fn)(const XML_Char **attr); 48 49 static void process_acdb_id(const XML_Char **attr); 50 static void process_pcm_id(const XML_Char **attr); 51 static void process_backend_name(const XML_Char **attr); 52 static void process_config_params(const XML_Char **attr); 53 static void process_root(const XML_Char **attr); 54 static void process_operator_specific(const XML_Char **attr); 55 static void process_gain_db_to_level_map(const XML_Char **attr); 56 static void process_app_type(const XML_Char **attr); 57 static void process_microphone_characteristic(const XML_Char **attr); 58 static void process_snd_dev(const XML_Char **attr); 59 static void process_mic_info(const XML_Char **attr); 60 static void process_acdb_metainfo_key(const XML_Char **attr); 61 62 static section_process_fn section_table[] = { 63 [ROOT] = process_root, 64 [ACDB] = process_acdb_id, 65 [PCM_ID] = process_pcm_id, 66 [BACKEND_NAME] = process_backend_name, 67 [CONFIG_PARAMS] = process_config_params, 68 [OPERATOR_SPECIFIC] = process_operator_specific, 69 [GAIN_LEVEL_MAPPING] = process_gain_db_to_level_map, 70 [APP_TYPE] = process_app_type, 71 [MICROPHONE_CHARACTERISTIC] = process_microphone_characteristic, 72 [SND_DEV] = process_snd_dev, 73 [MIC_INFO] = process_mic_info, 74 [ACDB_METAINFO_KEY] = process_acdb_metainfo_key, 75 }; 76 77 static set_parameters_fn set_parameters = &platform_set_parameters; 78 79 static section_t section; 80 81 struct platform_info { 82 bool do_full_parse; 83 void *platform; 84 struct str_parms *kvpairs; 85 }; 86 87 static struct platform_info my_data = {true, NULL, NULL}; 88 89 struct audio_string_to_enum { 90 const char* name; 91 unsigned int value; 92 }; 93 94 static snd_device_t in_snd_device; 95 96 static const struct audio_string_to_enum mic_locations[AUDIO_MICROPHONE_LOCATION_CNT] = { 97 AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_MICROPHONE_LOCATION_UNKNOWN), 98 AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_MICROPHONE_LOCATION_MAINBODY), 99 AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_MICROPHONE_LOCATION_MAINBODY_MOVABLE), 100 AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_MICROPHONE_LOCATION_PERIPHERAL), 101 }; 102 103 static const struct audio_string_to_enum mic_directionalities[AUDIO_MICROPHONE_DIRECTIONALITY_CNT] = { 104 AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_MICROPHONE_DIRECTIONALITY_OMNI), 105 AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_MICROPHONE_DIRECTIONALITY_BI_DIRECTIONAL), 106 AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_MICROPHONE_DIRECTIONALITY_UNKNOWN), 107 AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_MICROPHONE_DIRECTIONALITY_CARDIOID), 108 AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_MICROPHONE_DIRECTIONALITY_HYPER_CARDIOID), 109 AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_MICROPHONE_DIRECTIONALITY_SUPER_CARDIOID), 110 }; 111 112 static const struct audio_string_to_enum mic_channel_mapping[AUDIO_MICROPHONE_CHANNEL_MAPPING_CNT] = { 113 AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_MICROPHONE_CHANNEL_MAPPING_UNUSED), 114 AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_MICROPHONE_CHANNEL_MAPPING_DIRECT), 115 AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_MICROPHONE_CHANNEL_MAPPING_PROCESSED), 116 }; 117 118 static const struct audio_string_to_enum device_in_types[] = { 119 AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_AMBIENT), 120 AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_COMMUNICATION), 121 AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_BUILTIN_MIC), 122 AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET), 123 AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_WIRED_HEADSET), 124 AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_AUX_DIGITAL), 125 AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_HDMI), 126 AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_VOICE_CALL), 127 AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_TELEPHONY_RX), 128 AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_BACK_MIC), 129 AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_REMOTE_SUBMIX), 130 AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET), 131 AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_DGTL_DOCK_HEADSET), 132 AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_USB_ACCESSORY), 133 AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_USB_DEVICE), 134 AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_FM_TUNER), 135 AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_TV_TUNER), 136 AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_LINE), 137 AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_SPDIF), 138 AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_BLUETOOTH_A2DP), 139 AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_LOOPBACK), 140 AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_IP), 141 AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_BUS), 142 AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_PROXY), 143 AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_USB_HEADSET), 144 AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_BLUETOOTH_BLE), 145 AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_DEFAULT), 146 }; 147 148 enum { 149 AUDIO_MICROPHONE_CHARACTERISTIC_NONE = 0u, // 0x0 150 AUDIO_MICROPHONE_CHARACTERISTIC_SENSITIVITY = 1u, // 0x1 151 AUDIO_MICROPHONE_CHARACTERISTIC_MAX_SPL = 2u, // 0x2 152 AUDIO_MICROPHONE_CHARACTERISTIC_MIN_SPL = 4u, // 0x4 153 AUDIO_MICROPHONE_CHARACTERISTIC_ORIENTATION = 8u, // 0x8 154 AUDIO_MICROPHONE_CHARACTERISTIC_GEOMETRIC_LOCATION = 16u, // 0x10 155 AUDIO_MICROPHONE_CHARACTERISTIC_ALL = 31u, /* ((((SENSITIVITY | MAX_SPL) | MIN_SPL) 156 | ORIENTATION) | GEOMETRIC_LOCATION) */ 157 }; 158 159 static bool find_enum_by_string(const struct audio_string_to_enum * table, const char * name, 160 int32_t len, unsigned int *value) 161 { 162 if (table == NULL) { 163 ALOGE("%s: table is NULL", __func__); 164 return false; 165 } 166 167 if (name == NULL) { 168 ALOGE("null key"); 169 return false; 170 } 171 172 for (int i = 0; i < len; i++) { 173 if (!strcmp(table[i].name, name)) { 174 *value = table[i].value; 175 return true; 176 } 177 } 178 return false; 179 } 180 181 /* 182 * <audio_platform_info> 183 * <acdb_ids> 184 * <device name="???" acdb_id="???"/> 185 * ... 186 * ... 187 * </acdb_ids> 188 * <backend_names> 189 * <device name="???" backend="???"/> 190 * ... 191 * ... 192 * </backend_names> 193 * <pcm_ids> 194 * <usecase name="???" type="in/out" id="???"/> 195 * ... 196 * ... 197 * </pcm_ids> 198 * <config_params> 199 * <param key="snd_card_name" value="msm8994-tomtom-mtp-snd-card"/> 200 * <param key="operator_info" value="tmus;aa;bb;cc"/> 201 * <param key="operator_info" value="sprint;xx;yy;zz"/> 202 * ... 203 * ... 204 * </config_params> 205 * 206 * <operator_specific> 207 * <device name="???" operator="???" mixer_path="???" acdb_id="???"/> 208 * ... 209 * ... 210 * </operator_specific> 211 * 212 * </audio_platform_info> 213 */ 214 215 static void process_root(const XML_Char **attr __unused) 216 { 217 } 218 219 /* mapping from usecase to pcm dev id */ 220 static void process_pcm_id(const XML_Char **attr) 221 { 222 int index; 223 224 if (strcmp(attr[0], "name") != 0) { 225 ALOGE("%s: 'name' not found, no pcm_id set!", __func__); 226 goto done; 227 } 228 229 index = platform_get_usecase_index((char *)attr[1]); 230 if (index < 0) { 231 ALOGE("%s: usecase %s in %s not found!", 232 __func__, attr[1], PLATFORM_INFO_XML_PATH); 233 goto done; 234 } 235 236 if (strcmp(attr[2], "type") != 0) { 237 ALOGE("%s: usecase type not mentioned", __func__); 238 goto done; 239 } 240 241 int type = -1; 242 243 if (!strcasecmp((char *)attr[3], "in")) { 244 type = 1; 245 } else if (!strcasecmp((char *)attr[3], "out")) { 246 type = 0; 247 } else { 248 ALOGE("%s: type must be IN or OUT", __func__); 249 goto done; 250 } 251 252 if (strcmp(attr[4], "id") != 0) { 253 ALOGE("%s: usecase id not mentioned", __func__); 254 goto done; 255 } 256 257 int id = atoi((char *)attr[5]); 258 259 if (platform_set_usecase_pcm_id(index, type, id) < 0) { 260 ALOGE("%s: usecase %s in %s, type %d id %d was not set!", 261 __func__, attr[1], PLATFORM_INFO_XML_PATH, type, id); 262 goto done; 263 } 264 265 done: 266 return; 267 } 268 269 /* backend to be used for a device */ 270 static void process_backend_name(const XML_Char **attr) 271 { 272 int index; 273 char *hw_interface = NULL; 274 275 if (strcmp(attr[0], "name") != 0) { 276 ALOGE("%s: 'name' not found, no ACDB ID set!", __func__); 277 goto done; 278 } 279 280 index = platform_get_snd_device_index((char *)attr[1]); 281 if (index < 0) { 282 ALOGE("%s: Device %s in %s not found, no ACDB ID set!", 283 __func__, attr[1], PLATFORM_INFO_XML_PATH); 284 goto done; 285 } 286 287 if (strcmp(attr[2], "backend") != 0) { 288 ALOGE("%s: Device %s in %s has no backed set!", 289 __func__, attr[1], PLATFORM_INFO_XML_PATH); 290 goto done; 291 } 292 293 if (attr[4] != NULL) { 294 if (strcmp(attr[4], "interface") != 0) { 295 hw_interface = NULL; 296 } else { 297 hw_interface = (char *)attr[5]; 298 } 299 } 300 301 if (platform_set_snd_device_backend(index, attr[3], hw_interface) < 0) { 302 ALOGE("%s: Device %s in %s, backend %s was not set!", 303 __func__, attr[1], PLATFORM_INFO_XML_PATH, attr[3]); 304 goto done; 305 } 306 307 done: 308 return; 309 } 310 311 static void process_gain_db_to_level_map(const XML_Char **attr) 312 { 313 struct amp_db_and_gain_table tbl_entry; 314 315 if ((strcmp(attr[0], "db") != 0) || 316 (strcmp(attr[2], "level") != 0)) { 317 ALOGE("%s: invalid attribute passed %s %sexpected amp db level", 318 __func__, attr[0], attr[2]); 319 goto done; 320 } 321 322 tbl_entry.db = atof(attr[1]); 323 tbl_entry.amp = exp(tbl_entry.db * 0.115129f); 324 tbl_entry.level = atoi(attr[3]); 325 326 //custome level should be > 0. Level 0 is fixed for default 327 CHECK(tbl_entry.level > 0); 328 329 ALOGV("%s: amp [%f] db [%f] level [%d]", __func__, 330 tbl_entry.amp, tbl_entry.db, tbl_entry.level); 331 platform_add_gain_level_mapping(&tbl_entry); 332 333 done: 334 return; 335 } 336 337 static void process_acdb_id(const XML_Char **attr) 338 { 339 int index; 340 341 if (strcmp(attr[0], "name") != 0) { 342 ALOGE("%s: 'name' not found, no ACDB ID set!", __func__); 343 goto done; 344 } 345 346 index = platform_get_snd_device_index((char *)attr[1]); 347 if (index < 0) { 348 ALOGE("%s: Device %s in %s not found, no ACDB ID set!", 349 __func__, attr[1], PLATFORM_INFO_XML_PATH); 350 goto done; 351 } 352 353 if (strcmp(attr[2], "acdb_id") != 0) { 354 ALOGE("%s: Device %s in %s has no acdb_id, no ACDB ID set!", 355 __func__, attr[1], PLATFORM_INFO_XML_PATH); 356 goto done; 357 } 358 359 if (platform_set_snd_device_acdb_id(index, atoi((char *)attr[3])) < 0) { 360 ALOGE("%s: Device %s in %s, ACDB ID %d was not set!", 361 __func__, attr[1], PLATFORM_INFO_XML_PATH, atoi((char *)attr[3])); 362 goto done; 363 } 364 365 done: 366 return; 367 } 368 369 370 static void process_operator_specific(const XML_Char **attr) 371 { 372 snd_device_t snd_device = SND_DEVICE_NONE; 373 374 if (strcmp(attr[0], "name") != 0) { 375 ALOGE("%s: 'name' not found", __func__); 376 goto done; 377 } 378 379 snd_device = platform_get_snd_device_index((char *)attr[1]); 380 if (snd_device < 0) { 381 ALOGE("%s: Device %s in %s not found, no ACDB ID set!", 382 __func__, (char *)attr[3], PLATFORM_INFO_XML_PATH); 383 goto done; 384 } 385 386 if (strcmp(attr[2], "operator") != 0) { 387 ALOGE("%s: 'operator' not found", __func__); 388 goto done; 389 } 390 391 if (strcmp(attr[4], "mixer_path") != 0) { 392 ALOGE("%s: 'mixer_path' not found", __func__); 393 goto done; 394 } 395 396 if (strcmp(attr[6], "acdb_id") != 0) { 397 ALOGE("%s: 'acdb_id' not found", __func__); 398 goto done; 399 } 400 401 platform_add_operator_specific_device(snd_device, (char *)attr[3], (char *)attr[5], atoi((char *)attr[7])); 402 403 done: 404 return; 405 } 406 407 /* platform specific configuration key-value pairs */ 408 static void process_config_params(const XML_Char **attr) 409 { 410 if (strcmp(attr[0], "key") != 0) { 411 ALOGE("%s: 'key' not found", __func__); 412 goto done; 413 } 414 415 if (strcmp(attr[2], "value") != 0) { 416 ALOGE("%s: 'value' not found", __func__); 417 goto done; 418 } 419 420 str_parms_add_str(my_data.kvpairs, (char*)attr[1], (char*)attr[3]); 421 set_parameters(my_data.platform, my_data.kvpairs); 422 done: 423 return; 424 } 425 426 static void process_app_type(const XML_Char **attr) 427 { 428 if (strcmp(attr[0], "uc_type")) { 429 ALOGE("%s: uc_type not found", __func__); 430 goto done; 431 } 432 433 if (strcmp(attr[2], "mode")) { 434 ALOGE("%s: mode not found", __func__); 435 goto done; 436 } 437 438 if (strcmp(attr[4], "bit_width")) { 439 ALOGE("%s: bit_width not found", __func__); 440 goto done; 441 } 442 443 if (strcmp(attr[6], "id")) { 444 ALOGE("%s: id not found", __func__); 445 goto done; 446 } 447 448 if (strcmp(attr[8], "max_rate")) { 449 ALOGE("%s: max rate not found", __func__); 450 goto done; 451 } 452 453 platform_add_app_type(attr[1], attr[3], atoi(attr[5]), atoi(attr[7]), 454 atoi(attr[9])); 455 done: 456 return; 457 } 458 459 static void process_microphone_characteristic(const XML_Char **attr) { 460 struct audio_microphone_characteristic_t microphone; 461 uint32_t curIdx = 0; 462 463 if (strcmp(attr[curIdx++], "valid_mask")) { 464 ALOGE("%s: valid_mask not found", __func__); 465 goto done; 466 } 467 uint32_t valid_mask = atoi(attr[curIdx++]); 468 469 if (strcmp(attr[curIdx++], "device_id")) { 470 ALOGE("%s: device_id not found", __func__); 471 goto done; 472 } 473 if (strlen(attr[curIdx]) > AUDIO_MICROPHONE_ID_MAX_LEN) { 474 ALOGE("%s: device_id %s is too long", __func__, attr[curIdx]); 475 goto done; 476 } 477 strcpy(microphone.device_id, attr[curIdx++]); 478 479 if (strcmp(attr[curIdx++], "type")) { 480 ALOGE("%s: device not found", __func__); 481 goto done; 482 } 483 if (!find_enum_by_string(device_in_types, (char*)attr[curIdx++], 484 ARRAY_SIZE(device_in_types), µphone.device)) { 485 ALOGE("%s: type %s in %s not found!", 486 __func__, attr[--curIdx], PLATFORM_INFO_XML_PATH); 487 goto done; 488 } 489 490 if (strcmp(attr[curIdx++], "address")) { 491 ALOGE("%s: address not found", __func__); 492 goto done; 493 } 494 if (strlen(attr[curIdx]) > AUDIO_DEVICE_MAX_ADDRESS_LEN) { 495 ALOGE("%s, address %s is too long", __func__, attr[curIdx]); 496 goto done; 497 } 498 strcpy(microphone.address, attr[curIdx++]); 499 if (strlen(microphone.address) == 0) { 500 // If the address is empty, populate the address according to device type. 501 if (microphone.device == AUDIO_DEVICE_IN_BUILTIN_MIC) { 502 strcpy(microphone.address, AUDIO_BOTTOM_MICROPHONE_ADDRESS); 503 } else if (microphone.device == AUDIO_DEVICE_IN_BACK_MIC) { 504 strcpy(microphone.address, AUDIO_BACK_MICROPHONE_ADDRESS); 505 } 506 } 507 508 if (strcmp(attr[curIdx++], "location")) { 509 ALOGE("%s: location not found", __func__); 510 goto done; 511 } 512 if (!find_enum_by_string(mic_locations, (char*)attr[curIdx++], 513 AUDIO_MICROPHONE_LOCATION_CNT, µphone.location)) { 514 ALOGE("%s: location %s in %s not found!", 515 __func__, attr[--curIdx], PLATFORM_INFO_XML_PATH); 516 goto done; 517 } 518 519 if (strcmp(attr[curIdx++], "group")) { 520 ALOGE("%s: group not found", __func__); 521 goto done; 522 } 523 microphone.group = atoi(attr[curIdx++]); 524 525 if (strcmp(attr[curIdx++], "index_in_the_group")) { 526 ALOGE("%s: index_in_the_group not found", __func__); 527 goto done; 528 } 529 microphone.index_in_the_group = atoi(attr[curIdx++]); 530 531 if (strcmp(attr[curIdx++], "directionality")) { 532 ALOGE("%s: directionality not found", __func__); 533 goto done; 534 } 535 if (!find_enum_by_string(mic_directionalities, (char*)attr[curIdx++], 536 AUDIO_MICROPHONE_DIRECTIONALITY_CNT, µphone.directionality)) { 537 ALOGE("%s: directionality %s in %s not found!", 538 __func__, attr[--curIdx], PLATFORM_INFO_XML_PATH); 539 goto done; 540 } 541 542 if (strcmp(attr[curIdx++], "num_frequency_responses")) { 543 ALOGE("%s: num_frequency_responses not found", __func__); 544 goto done; 545 } 546 microphone.num_frequency_responses = atoi(attr[curIdx++]); 547 if (microphone.num_frequency_responses > AUDIO_MICROPHONE_MAX_FREQUENCY_RESPONSES) { 548 ALOGE("%s: num_frequency_responses is too large", __func__); 549 goto done; 550 } 551 if (microphone.num_frequency_responses > 0) { 552 if (strcmp(attr[curIdx++], "frequencies")) { 553 ALOGE("%s: frequencies not found", __func__); 554 goto done; 555 } 556 char *token = strtok((char *)attr[curIdx++], " "); 557 uint32_t num_frequencies = 0; 558 while (token) { 559 microphone.frequency_responses[0][num_frequencies++] = atof(token); 560 if (num_frequencies > AUDIO_MICROPHONE_MAX_FREQUENCY_RESPONSES) { 561 ALOGE("%s: num %u of frequency is too large", __func__, num_frequencies); 562 goto done; 563 } 564 token = strtok(NULL, " "); 565 } 566 567 if (strcmp(attr[curIdx++], "responses")) { 568 ALOGE("%s: responses not found", __func__); 569 goto done; 570 } 571 token = strtok((char *)attr[curIdx++], " "); 572 uint32_t num_responses = 0; 573 while (token) { 574 microphone.frequency_responses[1][num_responses++] = atof(token); 575 if (num_responses > AUDIO_MICROPHONE_MAX_FREQUENCY_RESPONSES) { 576 ALOGE("%s: num %u of response is too large", __func__, num_responses); 577 goto done; 578 } 579 token = strtok(NULL, " "); 580 } 581 582 if (num_frequencies != num_responses 583 || num_frequencies != microphone.num_frequency_responses) { 584 ALOGE("%s: num of frequency and response not match: %u, %u, %u", 585 __func__, num_frequencies, num_responses, microphone.num_frequency_responses); 586 goto done; 587 } 588 } 589 590 if (valid_mask & AUDIO_MICROPHONE_CHARACTERISTIC_SENSITIVITY) { 591 if (strcmp(attr[curIdx++], "sensitivity")) { 592 ALOGE("%s: sensitivity not found", __func__); 593 goto done; 594 } 595 microphone.sensitivity = atof(attr[curIdx++]); 596 } else { 597 microphone.sensitivity = AUDIO_MICROPHONE_SENSITIVITY_UNKNOWN; 598 } 599 600 if (valid_mask & AUDIO_MICROPHONE_CHARACTERISTIC_MAX_SPL) { 601 if (strcmp(attr[curIdx++], "max_spl")) { 602 ALOGE("%s: max_spl not found", __func__); 603 goto done; 604 } 605 microphone.max_spl = atof(attr[curIdx++]); 606 } else { 607 microphone.max_spl = AUDIO_MICROPHONE_SPL_UNKNOWN; 608 } 609 610 if (valid_mask & AUDIO_MICROPHONE_CHARACTERISTIC_MIN_SPL) { 611 if (strcmp(attr[curIdx++], "min_spl")) { 612 ALOGE("%s: min_spl not found", __func__); 613 goto done; 614 } 615 microphone.min_spl = atof(attr[curIdx++]); 616 } else { 617 microphone.min_spl = AUDIO_MICROPHONE_SPL_UNKNOWN; 618 } 619 620 if (valid_mask & AUDIO_MICROPHONE_CHARACTERISTIC_ORIENTATION) { 621 if (strcmp(attr[curIdx++], "orientation")) { 622 ALOGE("%s: orientation not found", __func__); 623 goto done; 624 } 625 char *token = strtok((char *)attr[curIdx++], " "); 626 float orientation[3]; 627 uint32_t idx = 0; 628 while (token) { 629 orientation[idx++] = atof(token); 630 if (idx > 3) { 631 ALOGE("%s: orientation invalid", __func__); 632 goto done; 633 } 634 token = strtok(NULL, " "); 635 } 636 if (idx != 3) { 637 ALOGE("%s: orientation invalid", __func__); 638 goto done; 639 } 640 microphone.orientation.x = orientation[0]; 641 microphone.orientation.y = orientation[1]; 642 microphone.orientation.z = orientation[2]; 643 } else { 644 microphone.orientation.x = 0.0f; 645 microphone.orientation.y = 0.0f; 646 microphone.orientation.z = 0.0f; 647 } 648 649 if (valid_mask & AUDIO_MICROPHONE_CHARACTERISTIC_GEOMETRIC_LOCATION) { 650 if (strcmp(attr[curIdx++], "geometric_location")) { 651 ALOGE("%s: geometric_location not found", __func__); 652 goto done; 653 } 654 char *token = strtok((char *)attr[curIdx++], " "); 655 float geometric_location[3]; 656 uint32_t idx = 0; 657 while (token) { 658 geometric_location[idx++] = atof(token); 659 if (idx > 3) { 660 ALOGE("%s: geometric_location invalid", __func__); 661 goto done; 662 } 663 token = strtok(NULL, " "); 664 } 665 if (idx != 3) { 666 ALOGE("%s: geometric_location invalid", __func__); 667 goto done; 668 } 669 microphone.geometric_location.x = geometric_location[0]; 670 microphone.geometric_location.y = geometric_location[1]; 671 microphone.geometric_location.z = geometric_location[2]; 672 } else { 673 microphone.geometric_location.x = AUDIO_MICROPHONE_COORDINATE_UNKNOWN; 674 microphone.geometric_location.y = AUDIO_MICROPHONE_COORDINATE_UNKNOWN; 675 microphone.geometric_location.z = AUDIO_MICROPHONE_COORDINATE_UNKNOWN; 676 } 677 678 platform_set_microphone_characteristic(my_data.platform, microphone); 679 done: 680 return; 681 } 682 683 static void process_snd_dev(const XML_Char **attr) 684 { 685 uint32_t curIdx = 0; 686 in_snd_device = SND_DEVICE_NONE; 687 688 if (strcmp(attr[curIdx++], "in_snd_device")) { 689 ALOGE("%s: snd_device not found", __func__); 690 return; 691 } 692 in_snd_device = platform_get_snd_device_index((char *)attr[curIdx++]); 693 if (in_snd_device < SND_DEVICE_IN_BEGIN || 694 in_snd_device >= SND_DEVICE_IN_END) { 695 ALOGE("%s: Sound device not valid", __func__); 696 in_snd_device = SND_DEVICE_NONE; 697 } 698 699 return; 700 } 701 702 static void process_mic_info(const XML_Char **attr) 703 { 704 uint32_t curIdx = 0; 705 struct mic_info microphone; 706 707 memset(µphone.channel_mapping, AUDIO_MICROPHONE_CHANNEL_MAPPING_UNUSED, 708 sizeof(microphone.channel_mapping)); 709 710 if (strcmp(attr[curIdx++], "mic_device_id")) { 711 ALOGE("%s: mic_device_id not found", __func__); 712 goto on_error; 713 } 714 strlcpy(microphone.device_id, 715 (char *)attr[curIdx++], AUDIO_MICROPHONE_ID_MAX_LEN); 716 717 if (strcmp(attr[curIdx++], "channel_mapping")) { 718 ALOGE("%s: channel_mapping not found", __func__); 719 goto on_error; 720 } 721 const char *token = strtok((char *)attr[curIdx++], " "); 722 uint32_t idx = 0; 723 while (token) { 724 if (!find_enum_by_string(mic_channel_mapping, token, 725 AUDIO_MICROPHONE_CHANNEL_MAPPING_CNT, 726 µphone.channel_mapping[idx++])) { 727 ALOGE("%s: channel_mapping %s in %s not found!", 728 __func__, attr[--curIdx], PLATFORM_INFO_XML_PATH); 729 goto on_error; 730 } 731 token = strtok(NULL, " "); 732 } 733 microphone.channel_count = idx; 734 735 platform_set_microphone_map(my_data.platform, in_snd_device, 736 µphone); 737 return; 738 on_error: 739 in_snd_device = SND_DEVICE_NONE; 740 return; 741 } 742 743 /* process acdb meta info key value */ 744 static void process_acdb_metainfo_key(const XML_Char **attr) 745 { 746 if (strcmp(attr[0], "name") != 0) { 747 ALOGE("%s: 'name' not found", __func__); 748 goto done; 749 } 750 if (strcmp(attr[2], "value") != 0) { 751 ALOGE("%s: 'value' not found", __func__); 752 goto done; 753 } 754 755 int key = atoi((char *)attr[3]); 756 if (platform_set_acdb_metainfo_key(my_data.platform, 757 (char*)attr[1], key) < 0) { 758 ALOGE("%s: key %d was not set!", __func__, key); 759 } 760 761 done: 762 return; 763 } 764 765 static void start_tag(void *userdata __unused, const XML_Char *tag_name, 766 const XML_Char **attr) 767 { 768 const XML_Char *attr_name = NULL; 769 const XML_Char *attr_value = NULL; 770 unsigned int i; 771 772 773 if (my_data.do_full_parse) { 774 if (strcmp(tag_name, "acdb_ids") == 0) { 775 section = ACDB; 776 } else if (strcmp(tag_name, "pcm_ids") == 0) { 777 section = PCM_ID; 778 } else if (strcmp(tag_name, "backend_names") == 0) { 779 section = BACKEND_NAME; 780 } else if (strcmp(tag_name, "config_params") == 0) { 781 section = CONFIG_PARAMS; 782 } else if (strcmp(tag_name, "operator_specific") == 0) { 783 section = OPERATOR_SPECIFIC; 784 } else if (strcmp(tag_name, "gain_db_to_level_mapping") == 0) { 785 section = GAIN_LEVEL_MAPPING; 786 } else if (strcmp(tag_name, "app_types") == 0) { 787 section = APP_TYPE; 788 } else if (strcmp(tag_name, "microphone_characteristics") == 0) { 789 section = MICROPHONE_CHARACTERISTIC; 790 } else if (strcmp(tag_name, "snd_devices") == 0) { 791 section = SND_DEVICES; 792 } else if(strcmp(tag_name, "acdb_metainfo_key") == 0) { 793 section = ACDB_METAINFO_KEY; 794 } else if (strcmp(tag_name, "device") == 0) { 795 if ((section != ACDB) && (section != BACKEND_NAME) && (section != OPERATOR_SPECIFIC)) { 796 ALOGE("device tag only supported for acdb/backend names"); 797 return; 798 } 799 800 /* call into process function for the current section */ 801 section_process_fn fn = section_table[section]; 802 fn(attr); 803 } else if (strcmp(tag_name, "usecase") == 0) { 804 if (section != PCM_ID) { 805 ALOGE("usecase tag only supported with PCM_ID section"); 806 return; 807 } 808 809 section_process_fn fn = section_table[PCM_ID]; 810 fn(attr); 811 } else if (strcmp(tag_name, "param") == 0) { 812 if ((section != CONFIG_PARAMS) && (section != ACDB_METAINFO_KEY)) { 813 ALOGE("param tag only supported with CONFIG_PARAMS section"); 814 return; 815 } 816 817 section_process_fn fn = section_table[section]; 818 fn(attr); 819 } else if (strcmp(tag_name, "gain_level_map") == 0) { 820 if (section != GAIN_LEVEL_MAPPING) { 821 ALOGE("gain_level_map tag only supported with GAIN_LEVEL_MAPPING section"); 822 return; 823 } 824 825 section_process_fn fn = section_table[GAIN_LEVEL_MAPPING]; 826 fn(attr); 827 } else if (!strcmp(tag_name, "app")) { 828 if (section != APP_TYPE) { 829 ALOGE("app tag only valid in section APP_TYPE"); 830 return; 831 } 832 833 section_process_fn fn = section_table[APP_TYPE]; 834 fn(attr); 835 } else if (strcmp(tag_name, "microphone") == 0) { 836 if (section != MICROPHONE_CHARACTERISTIC) { 837 ALOGE("microphone tag only supported with MICROPHONE_CHARACTERISTIC section"); 838 return; 839 } 840 section_process_fn fn = section_table[MICROPHONE_CHARACTERISTIC]; 841 fn(attr); 842 } else if (strcmp(tag_name, "input_snd_device") == 0) { 843 if (section != SND_DEVICES) { 844 ALOGE("input_snd_device tag only supported with SND_DEVICES section"); 845 return; 846 } 847 section = INPUT_SND_DEVICE; 848 } else if (strcmp(tag_name, "input_snd_device_mic_mapping") == 0) { 849 if (section != INPUT_SND_DEVICE) { 850 ALOGE("input_snd_device_mic_mapping tag only supported with INPUT_SND_DEVICE section"); 851 return; 852 } 853 section = INPUT_SND_DEVICE_TO_MIC_MAPPING; 854 } else if (strcmp(tag_name, "snd_dev") == 0) { 855 if (section != INPUT_SND_DEVICE_TO_MIC_MAPPING) { 856 ALOGE("snd_dev tag only supported with INPUT_SND_DEVICE_TO_MIC_MAPPING section"); 857 return; 858 } 859 section_process_fn fn = section_table[SND_DEV]; 860 fn(attr); 861 } else if (strcmp(tag_name, "mic_info") == 0) { 862 if (section != INPUT_SND_DEVICE_TO_MIC_MAPPING) { 863 ALOGE("mic_info tag only supported with INPUT_SND_DEVICE_TO_MIC_MAPPING section"); 864 return; 865 } 866 if (in_snd_device == SND_DEVICE_NONE) { 867 ALOGE("%s: Error in previous tags, do not process mic info", __func__); 868 return; 869 } 870 section_process_fn fn = section_table[MIC_INFO]; 871 fn(attr); 872 } 873 } else { 874 if(strcmp(tag_name, "config_params") == 0) { 875 section = CONFIG_PARAMS; 876 } else if (strcmp(tag_name, "param") == 0) { 877 if (section != CONFIG_PARAMS) { 878 ALOGE("param tag only supported with CONFIG_PARAMS section"); 879 return; 880 } 881 882 section_process_fn fn = section_table[section]; 883 fn(attr); 884 } 885 } 886 887 return; 888 } 889 890 static void end_tag(void *userdata __unused, const XML_Char *tag_name) 891 { 892 if (strcmp(tag_name, "acdb_ids") == 0) { 893 section = ROOT; 894 } else if (strcmp(tag_name, "pcm_ids") == 0) { 895 section = ROOT; 896 } else if (strcmp(tag_name, "backend_names") == 0) { 897 section = ROOT; 898 } else if (strcmp(tag_name, "config_params") == 0) { 899 section = ROOT; 900 } else if (strcmp(tag_name, "operator_specific") == 0) { 901 section = ROOT; 902 } else if (strcmp(tag_name, "gain_db_to_level_mapping") == 0) { 903 section = ROOT; 904 } else if (strcmp(tag_name, "app_types") == 0) { 905 section = ROOT; 906 } else if (strcmp(tag_name, "microphone_characteristics") == 0) { 907 section = ROOT; 908 } else if (strcmp(tag_name, "snd_devices") == 0) { 909 section = ROOT; 910 } else if (strcmp(tag_name, "input_snd_device") == 0) { 911 section = SND_DEVICES; 912 } else if (strcmp(tag_name, "input_snd_device_mic_mapping") == 0) { 913 section = INPUT_SND_DEVICE; 914 } else if (strcmp(tag_name, "acdb_metainfo_key") == 0) { 915 section = ROOT; 916 } 917 } 918 919 int snd_card_info_init(const char *filename, void *platform, set_parameters_fn fn) 920 { 921 set_parameters = fn; 922 my_data.do_full_parse = false; 923 return platform_info_init(filename, platform); 924 } 925 926 int platform_info_init(const char *filename, void *platform) 927 { 928 XML_Parser parser; 929 FILE *file; 930 int ret = 0; 931 int bytes_read; 932 void *buf; 933 static const uint32_t kBufSize = 1024; 934 char platform_info_file_name[MIXER_PATH_MAX_LENGTH]= {0}; 935 section = ROOT; 936 937 if (filename == NULL) { 938 strlcpy(platform_info_file_name, PLATFORM_INFO_XML_PATH, MIXER_PATH_MAX_LENGTH); 939 } else { 940 strlcpy(platform_info_file_name, filename, MIXER_PATH_MAX_LENGTH); 941 } 942 943 ALOGV("%s: platform info file name is %s", __func__, platform_info_file_name); 944 945 file = fopen(platform_info_file_name, "r"); 946 947 if (!file) { 948 ALOGD("%s: Failed to open %s, using defaults.", 949 __func__, platform_info_file_name); 950 ret = -ENODEV; 951 goto done; 952 } 953 954 parser = XML_ParserCreate(NULL); 955 if (!parser) { 956 ALOGE("%s: Failed to create XML parser!", __func__); 957 ret = -ENODEV; 958 goto err_close_file; 959 } 960 961 my_data.platform = platform; 962 my_data.kvpairs = str_parms_create(); 963 964 XML_SetElementHandler(parser, start_tag, end_tag); 965 966 while (1) { 967 buf = XML_GetBuffer(parser, kBufSize); 968 if (buf == NULL) { 969 ALOGE("%s: XML_GetBuffer failed", __func__); 970 ret = -ENOMEM; 971 goto err_free_parser; 972 } 973 974 bytes_read = fread(buf, 1, kBufSize, file); 975 if (bytes_read < 0) { 976 ALOGE("%s: fread failed, bytes read = %d", __func__, bytes_read); 977 ret = bytes_read; 978 goto err_free_parser; 979 } 980 981 if (XML_ParseBuffer(parser, bytes_read, 982 bytes_read == 0) == XML_STATUS_ERROR) { 983 ALOGE("%s: XML_ParseBuffer failed, for %s", 984 __func__, platform_info_file_name); 985 ret = -EINVAL; 986 goto err_free_parser; 987 } 988 989 if (bytes_read == 0) 990 break; 991 } 992 993 set_parameters = &platform_set_parameters; 994 my_data.do_full_parse = true; 995 996 err_free_parser: 997 XML_ParserFree(parser); 998 err_close_file: 999 fclose(file); 1000 done: 1001 return ret; 1002 } 1003
