/* * Copyright (C) 2014 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #define LOG_TAG "platform_info" #define LOG_NDDEBUG 0 #include #include #include #include #include #include "platform_api.h" #include #include #include /* * Mandatory microphone characteristics include: device_id, type, address, location, group, * index_in_the_group, directionality, num_frequency_responses, frequencies and responses. * MANDATORY_MICROPHONE_CHARACTERISTICS should be updated when mandatory microphone * characteristics are changed. */ #define MANDATORY_MICROPHONE_CHARACTERISTICS (1 << 10) - 1 typedef enum { ROOT, ACDB, MODULE, AEC, NS, PCM_ID, BACKEND_NAME, CONFIG_PARAMS, OPERATOR_SPECIFIC, GAIN_LEVEL_MAPPING, APP_TYPE, MICROPHONE_CHARACTERISTIC, SND_DEVICES, INPUT_SND_DEVICE, INPUT_SND_DEVICE_TO_MIC_MAPPING, SND_DEV, MIC_INFO, ACDB_METAINFO_KEY, EXTERNAL_DEVICE_SPECIFIC, } section_t; typedef void (* section_process_fn)(const XML_Char **attr); static void process_acdb_id(const XML_Char **attr); static void process_audio_effect(const XML_Char **attr, effect_type_t effect_type); static void process_effect_aec(const XML_Char **attr); static void process_effect_ns(const XML_Char **attr); static void process_pcm_id(const XML_Char **attr); static void process_backend_name(const XML_Char **attr); static void process_config_params(const XML_Char **attr); static void process_root(const XML_Char **attr); static void process_operator_specific(const XML_Char **attr); static void process_gain_db_to_level_map(const XML_Char **attr); static void process_app_type(const XML_Char **attr); static void process_microphone_characteristic(const XML_Char **attr); static void process_snd_dev(const XML_Char **attr); static void process_mic_info(const XML_Char **attr); static void process_acdb_metainfo_key(const XML_Char **attr); static void process_external_dev(const XML_Char **attr); static section_process_fn section_table[] = { [ROOT] = process_root, [ACDB] = process_acdb_id, [AEC] = process_effect_aec, [NS] = process_effect_ns, [PCM_ID] = process_pcm_id, [BACKEND_NAME] = process_backend_name, [CONFIG_PARAMS] = process_config_params, [OPERATOR_SPECIFIC] = process_operator_specific, [GAIN_LEVEL_MAPPING] = process_gain_db_to_level_map, [APP_TYPE] = process_app_type, [MICROPHONE_CHARACTERISTIC] = process_microphone_characteristic, [SND_DEV] = process_snd_dev, [MIC_INFO] = process_mic_info, [ACDB_METAINFO_KEY] = process_acdb_metainfo_key, [EXTERNAL_DEVICE_SPECIFIC] = process_external_dev, }; static section_t section; struct platform_info { pthread_mutex_t lock; bool do_full_parse; void *platform; struct str_parms *kvpairs; set_parameters_fn set_parameters; }; static struct platform_info my_data = {PTHREAD_MUTEX_INITIALIZER, true, NULL, NULL, &platform_set_parameters}; struct audio_string_to_enum { const char* name; unsigned int value; }; static snd_device_t in_snd_device; static const struct audio_string_to_enum mic_locations[AUDIO_MICROPHONE_LOCATION_CNT] = { AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_MICROPHONE_LOCATION_UNKNOWN), AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_MICROPHONE_LOCATION_MAINBODY), AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_MICROPHONE_LOCATION_MAINBODY_MOVABLE), AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_MICROPHONE_LOCATION_PERIPHERAL), }; static const struct audio_string_to_enum mic_directionalities[AUDIO_MICROPHONE_DIRECTIONALITY_CNT] = { AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_MICROPHONE_DIRECTIONALITY_OMNI), AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_MICROPHONE_DIRECTIONALITY_BI_DIRECTIONAL), AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_MICROPHONE_DIRECTIONALITY_UNKNOWN), AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_MICROPHONE_DIRECTIONALITY_CARDIOID), AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_MICROPHONE_DIRECTIONALITY_HYPER_CARDIOID), AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_MICROPHONE_DIRECTIONALITY_SUPER_CARDIOID), }; static const struct audio_string_to_enum mic_channel_mapping[AUDIO_MICROPHONE_CHANNEL_MAPPING_CNT] = { AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_MICROPHONE_CHANNEL_MAPPING_UNUSED), AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_MICROPHONE_CHANNEL_MAPPING_DIRECT), AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_MICROPHONE_CHANNEL_MAPPING_PROCESSED), }; static const struct audio_string_to_enum device_in_types[] = { AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_AMBIENT), AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_COMMUNICATION), AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_BUILTIN_MIC), AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET), AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_WIRED_HEADSET), AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_AUX_DIGITAL), AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_HDMI), AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_VOICE_CALL), AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_TELEPHONY_RX), AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_BACK_MIC), AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_REMOTE_SUBMIX), AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET), AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_DGTL_DOCK_HEADSET), AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_USB_ACCESSORY), AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_USB_DEVICE), AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_FM_TUNER), AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_TV_TUNER), AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_LINE), AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_SPDIF), AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_BLUETOOTH_A2DP), AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_LOOPBACK), AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_IP), AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_BUS), AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_PROXY), AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_USB_HEADSET), AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_BLUETOOTH_BLE), AUDIO_MAKE_STRING_FROM_ENUM(AUDIO_DEVICE_IN_DEFAULT), }; static bool find_enum_by_string(const struct audio_string_to_enum * table, const char * name, int32_t len, unsigned int *value) { if (table == NULL) { ALOGE("%s: table is NULL", __func__); return false; } if (name == NULL) { ALOGE("null key"); return false; } for (int i = 0; i < len; i++) { if (!strcmp(table[i].name, name)) { *value = table[i].value; return true; } } return false; } /* * * * * ... * ... * * * * ... * ... * * * * ... * ... * * * * ... * ... * * * * * * ... * ... * * * * * ... * ... * * * */ static void process_root(const XML_Char **attr __unused) { } static void process_audio_effect(const XML_Char **attr, effect_type_t effect_type) { int index; struct audio_effect_config effect_config; if (strncmp(attr[0], "name", strlen("name")) != 0) { ALOGE("%s: 'name' not found, no MODULE ID set!", __func__); goto done; } index = platform_get_snd_device_index((char *)attr[1]); if (index < 0) { ALOGE("%s: Device %s in platform info xml not found, no MODULE ID set!", __func__, attr[1]); goto done; } if (strncmp(attr[2], "module_id", strlen("module_id")) != 0) { ALOGE("%s: Device %s in platform info xml has no module_id, no MODULE ID set!", __func__, attr[2]); goto done; } if (strncmp(attr[4], "instance_id", strlen("instance_id")) != 0) { ALOGE("%s: Device %s in platform info xml has no instance_id, no INSTANCE ID set!", __func__, attr[4]); goto done; } if (strncmp(attr[6], "param_id", strlen("param_id")) != 0) { ALOGE("%s: Device %s in platform info xml has no param_id, no PARAM ID set!", __func__, attr[6]); goto done; } if (strncmp(attr[8], "param_value", strlen("param_value")) != 0) { ALOGE("%s: Device %s in platform info xml has no param_value, no PARAM VALUE set!", __func__, attr[8]); goto done; } effect_config = (struct audio_effect_config){strtol((char *)attr[3], NULL, 0), strtol((char *)attr[5], NULL, 0), strtol((char *)attr[7], NULL, 0), strtol((char *)attr[9], NULL, 0)}; if (platform_set_effect_config_data(index, effect_config, effect_type) < 0) { ALOGE("%s: Effect = %d Device %s, MODULE/INSTANCE/PARAM ID %u %u %u %u was not set!", __func__, effect_type, attr[1], effect_config.module_id, effect_config.instance_id, effect_config.param_id, effect_config.param_value); goto done; } done: return; } static void process_effect_aec(const XML_Char **attr) { process_audio_effect(attr, EFFECT_AEC); return; } static void process_effect_ns(const XML_Char **attr) { process_audio_effect(attr, EFFECT_NS); return; } /* mapping from usecase to pcm dev id */ static void process_pcm_id(const XML_Char **attr) { int index; if (strcmp(attr[0], "name") != 0) { ALOGE("%s: 'name' not found, no pcm_id set!", __func__); goto done; } index = platform_get_usecase_index((char *)attr[1]); if (index < 0) { ALOGE("%s: usecase %s in %s not found!", __func__, attr[1], PLATFORM_INFO_XML_PATH); goto done; } if (strcmp(attr[2], "type") != 0) { ALOGE("%s: usecase type not mentioned", __func__); goto done; } int type = -1; if (!strcasecmp((char *)attr[3], "in")) { type = 1; } else if (!strcasecmp((char *)attr[3], "out")) { type = 0; } else { ALOGE("%s: type must be IN or OUT", __func__); goto done; } if (strcmp(attr[4], "id") != 0) { ALOGE("%s: usecase id not mentioned", __func__); goto done; } int id = atoi((char *)attr[5]); if (platform_set_usecase_pcm_id(index, type, id) < 0) { ALOGE("%s: usecase %s in %s, type %d id %d was not set!", __func__, attr[1], PLATFORM_INFO_XML_PATH, type, id); goto done; } done: return; } /* backend to be used for a device */ static void process_backend_name(const XML_Char **attr) { int index; char *hw_interface = NULL; if (strcmp(attr[0], "name") != 0) { ALOGE("%s: 'name' not found, no ACDB ID set!", __func__); goto done; } index = platform_get_snd_device_index((char *)attr[1]); if (index < 0) { ALOGE("%s: Device %s in %s not found, no ACDB ID set!", __func__, attr[1], PLATFORM_INFO_XML_PATH); goto done; } if (strcmp(attr[2], "backend") != 0) { ALOGE("%s: Device %s in %s has no backed set!", __func__, attr[1], PLATFORM_INFO_XML_PATH); goto done; } if (attr[4] != NULL) { if (strcmp(attr[4], "interface") != 0) { hw_interface = NULL; } else { hw_interface = (char *)attr[5]; } } if (platform_set_snd_device_backend(index, attr[3], hw_interface) < 0) { ALOGE("%s: Device %s in %s, backend %s was not set!", __func__, attr[1], PLATFORM_INFO_XML_PATH, attr[3]); goto done; } done: return; } static void process_gain_db_to_level_map(const XML_Char **attr) { struct amp_db_and_gain_table tbl_entry; if ((strcmp(attr[0], "db") != 0) || (strcmp(attr[2], "level") != 0)) { ALOGE("%s: invalid attribute passed %s %sexpected amp db level", __func__, attr[0], attr[2]); goto done; } tbl_entry.db = atof(attr[1]); tbl_entry.amp = exp(tbl_entry.db * 0.115129f); tbl_entry.level = atoi(attr[3]); //custome level should be > 0. Level 0 is fixed for default CHECK(tbl_entry.level > 0); ALOGV("%s: amp [%f] db [%f] level [%d]", __func__, tbl_entry.amp, tbl_entry.db, tbl_entry.level); platform_add_gain_level_mapping(&tbl_entry); done: return; } static void process_acdb_id(const XML_Char **attr) { int index; if (strcmp(attr[0], "name") != 0) { ALOGE("%s: 'name' not found, no ACDB ID set!", __func__); goto done; } index = platform_get_snd_device_index((char *)attr[1]); if (index < 0) { ALOGE("%s: Device %s in %s not found, no ACDB ID set!", __func__, attr[1], PLATFORM_INFO_XML_PATH); goto done; } if (strcmp(attr[2], "acdb_id") != 0) { ALOGE("%s: Device %s in %s has no acdb_id, no ACDB ID set!", __func__, attr[1], PLATFORM_INFO_XML_PATH); goto done; } if (platform_set_snd_device_acdb_id(index, atoi((char *)attr[3])) < 0) { ALOGE("%s: Device %s in %s, ACDB ID %d was not set!", __func__, attr[1], PLATFORM_INFO_XML_PATH, atoi((char *)attr[3])); goto done; } done: return; } static void process_operator_specific(const XML_Char **attr) { snd_device_t snd_device = SND_DEVICE_NONE; if (strcmp(attr[0], "name") != 0) { ALOGE("%s: 'name' not found", __func__); goto done; } snd_device = platform_get_snd_device_index((char *)attr[1]); if (snd_device < 0) { ALOGE("%s: Device %s in %s not found, no ACDB ID set!", __func__, (char *)attr[3], PLATFORM_INFO_XML_PATH); goto done; } if (strcmp(attr[2], "operator") != 0) { ALOGE("%s: 'operator' not found", __func__); goto done; } if (strcmp(attr[4], "mixer_path") != 0) { ALOGE("%s: 'mixer_path' not found", __func__); goto done; } if (strcmp(attr[6], "acdb_id") != 0) { ALOGE("%s: 'acdb_id' not found", __func__); goto done; } platform_add_operator_specific_device(snd_device, (char *)attr[3], (char *)attr[5], atoi((char *)attr[7])); done: return; } static void process_external_dev(const XML_Char **attr) { snd_device_t snd_device = SND_DEVICE_NONE; if (strcmp(attr[0], "name") != 0) { ALOGE("%s: 'name' not found", __func__); goto done; } snd_device = platform_get_snd_device_index((char *)attr[1]); if (snd_device < 0) { ALOGE("%s: Device %s in %s not found, no ACDB ID set!", __func__, (char *)attr[3], PLATFORM_INFO_XML_PATH); goto done; } if (strcmp(attr[2], "usbid") != 0) { ALOGE("%s: 'usbid' not found", __func__); goto done; } if (strcmp(attr[4], "acdb_id") != 0) { ALOGE("%s: 'acdb_id' not found", __func__); goto done; } platform_add_external_specific_device(snd_device, (char *)attr[3], atoi((char *)attr[5])); done: return; } /* platform specific configuration key-value pairs */ static void process_config_params(const XML_Char **attr) { if (strcmp(attr[0], "key") != 0) { ALOGE("%s: 'key' not found", __func__); goto done; } if (strcmp(attr[2], "value") != 0) { ALOGE("%s: 'value' not found", __func__); goto done; } str_parms_add_str(my_data.kvpairs, (char*)attr[1], (char*)attr[3]); my_data.set_parameters(my_data.platform, my_data.kvpairs); done: return; } static void process_app_type(const XML_Char **attr) { if (strcmp(attr[0], "uc_type")) { ALOGE("%s: uc_type not found", __func__); goto done; } if (strcmp(attr[2], "mode")) { ALOGE("%s: mode not found", __func__); goto done; } if (strcmp(attr[4], "bit_width")) { ALOGE("%s: bit_width not found", __func__); goto done; } if (strcmp(attr[6], "id")) { ALOGE("%s: id not found", __func__); goto done; } if (strcmp(attr[8], "max_rate")) { ALOGE("%s: max rate not found", __func__); goto done; } platform_add_app_type(attr[1], attr[3], atoi(attr[5]), atoi(attr[7]), atoi(attr[9])); done: return; } static void process_microphone_characteristic(const XML_Char **attr) { struct audio_microphone_characteristic_t microphone; uint32_t index = 0; uint32_t found_mandatory_characteristics = 0; uint32_t num_frequencies = 0; uint32_t num_responses = 0; microphone.sensitivity = AUDIO_MICROPHONE_SENSITIVITY_UNKNOWN; microphone.max_spl = AUDIO_MICROPHONE_SPL_UNKNOWN; microphone.min_spl = AUDIO_MICROPHONE_SPL_UNKNOWN; microphone.orientation.x = 0.0f; microphone.orientation.y = 0.0f; microphone.orientation.z = 0.0f; microphone.geometric_location.x = AUDIO_MICROPHONE_COORDINATE_UNKNOWN; microphone.geometric_location.y = AUDIO_MICROPHONE_COORDINATE_UNKNOWN; microphone.geometric_location.z = AUDIO_MICROPHONE_COORDINATE_UNKNOWN; while (attr[index] != NULL) { const char *attribute = attr[index++]; char value[strlen(attr[index]) + 1]; strcpy(value, attr[index++]); if (strcmp(attribute, "device_id") == 0) { if (strlen(value) > AUDIO_MICROPHONE_ID_MAX_LEN) { ALOGE("%s: device_id %s is too long", __func__, value); goto done; } strcpy(microphone.device_id, value); found_mandatory_characteristics |= 1; } else if (strcmp(attribute, "type") == 0) { if (!find_enum_by_string(device_in_types, value, ARRAY_SIZE(device_in_types), µphone.device)) { ALOGE("%s: type %s in %s not found!", __func__, value, PLATFORM_INFO_XML_PATH); goto done; } found_mandatory_characteristics |= (1 << 1); } else if (strcmp(attribute, "address") == 0) { if (strlen(value) > AUDIO_DEVICE_MAX_ADDRESS_LEN) { ALOGE("%s, address %s is too long", __func__, value); goto done; } strcpy(microphone.address, value); if (strlen(microphone.address) == 0) { // If the address is empty, populate the address according to device type. if (microphone.device == AUDIO_DEVICE_IN_BUILTIN_MIC) { strcpy(microphone.address, AUDIO_BOTTOM_MICROPHONE_ADDRESS); } else if (microphone.device == AUDIO_DEVICE_IN_BACK_MIC) { strcpy(microphone.address, AUDIO_BACK_MICROPHONE_ADDRESS); } } found_mandatory_characteristics |= (1 << 2); } else if (strcmp(attribute, "location") == 0) { if (!find_enum_by_string(mic_locations, value, AUDIO_MICROPHONE_LOCATION_CNT, µphone.location)) { ALOGE("%s: location %s in %s not found!", __func__, value, PLATFORM_INFO_XML_PATH); goto done; } found_mandatory_characteristics |= (1 << 3); } else if (strcmp(attribute, "group") == 0) { microphone.group = atoi(value); found_mandatory_characteristics |= (1 << 4); } else if (strcmp(attribute, "index_in_the_group") == 0) { microphone.index_in_the_group = atoi(value); found_mandatory_characteristics |= (1 << 5); } else if (strcmp(attribute, "directionality") == 0) { if (!find_enum_by_string(mic_directionalities, value, AUDIO_MICROPHONE_DIRECTIONALITY_CNT, µphone.directionality)) { ALOGE("%s: directionality %s in %s not found!", __func__, attr[index], PLATFORM_INFO_XML_PATH); goto done; } found_mandatory_characteristics |= (1 << 6); } else if (strcmp(attribute, "num_frequency_responses") == 0) { microphone.num_frequency_responses = atoi(value); if (microphone.num_frequency_responses > AUDIO_MICROPHONE_MAX_FREQUENCY_RESPONSES) { ALOGE("%s: num_frequency_responses is too large", __func__); goto done; } found_mandatory_characteristics |= (1 << 7); } else if (strcmp(attribute, "frequencies") == 0) { char *token = strtok(value, " "); while (token) { microphone.frequency_responses[0][num_frequencies++] = atof(token); if (num_frequencies > AUDIO_MICROPHONE_MAX_FREQUENCY_RESPONSES) { ALOGE("%s: num %u of frequency is too large", __func__, num_frequencies); goto done; } token = strtok(NULL, " "); } found_mandatory_characteristics |= (1 << 8); } else if (strcmp(attribute, "responses") == 0) { char *token = strtok(value, " "); while (token) { microphone.frequency_responses[1][num_responses++] = atof(token); if (num_responses > AUDIO_MICROPHONE_MAX_FREQUENCY_RESPONSES) { ALOGE("%s: num %u of response is too large", __func__, num_responses); goto done; } token = strtok(NULL, " "); } found_mandatory_characteristics |= (1 << 9); } else if (strcmp(attribute, "sensitivity") == 0) { microphone.sensitivity = atof(value); } else if (strcmp(attribute, "max_spl") == 0) { microphone.max_spl = atof(value); } else if (strcmp(attribute, "min_spl") == 0) { microphone.min_spl = atof(value); } else if (strcmp(attribute, "orientation") == 0) { char *token = strtok(value, " "); float orientation[3]; uint32_t idx = 0; while (token) { orientation[idx++] = atof(token); if (idx > 3) { ALOGE("%s: orientation invalid", __func__); goto done; } token = strtok(NULL, " "); } if (idx != 3) { ALOGE("%s: orientation invalid", __func__); goto done; } microphone.orientation.x = orientation[0]; microphone.orientation.y = orientation[1]; microphone.orientation.z = orientation[2]; } else if (strcmp(attribute, "geometric_location") == 0) { char *token = strtok(value, " "); float geometric_location[3]; uint32_t idx = 0; while (token) { geometric_location[idx++] = atof(token); if (idx > 3) { ALOGE("%s: geometric_location invalid", __func__); goto done; } token = strtok(NULL, " "); } if (idx != 3) { ALOGE("%s: geometric_location invalid", __func__); goto done; } microphone.geometric_location.x = geometric_location[0]; microphone.geometric_location.y = geometric_location[1]; microphone.geometric_location.z = geometric_location[2]; } else { ALOGW("%s: unknown attribute of microphone characteristics: %s", __func__, attribute); } } if (num_frequencies != num_responses || num_frequencies != microphone.num_frequency_responses) { ALOGE("%s: num of frequency and response not match: %u, %u, %u", __func__, num_frequencies, num_responses, microphone.num_frequency_responses); goto done; } if (found_mandatory_characteristics != MANDATORY_MICROPHONE_CHARACTERISTICS) { ALOGE("%s: some of mandatory microphone characteriscts are missed: %u", __func__, found_mandatory_characteristics); } platform_set_microphone_characteristic(my_data.platform, microphone); done: return; } static void process_snd_dev(const XML_Char **attr) { uint32_t curIdx = 0; in_snd_device = SND_DEVICE_NONE; if (strcmp(attr[curIdx++], "in_snd_device")) { ALOGE("%s: snd_device not found", __func__); return; } in_snd_device = platform_get_snd_device_index((char *)attr[curIdx++]); if (in_snd_device < SND_DEVICE_IN_BEGIN || in_snd_device >= SND_DEVICE_IN_END) { ALOGE("%s: Sound device not valid", __func__); in_snd_device = SND_DEVICE_NONE; } return; } static void process_mic_info(const XML_Char **attr) { uint32_t curIdx = 0; struct mic_info microphone; memset(µphone.channel_mapping, AUDIO_MICROPHONE_CHANNEL_MAPPING_UNUSED, sizeof(microphone.channel_mapping)); if (strcmp(attr[curIdx++], "mic_device_id")) { ALOGE("%s: mic_device_id not found", __func__); goto on_error; } strlcpy(microphone.device_id, (char *)attr[curIdx++], AUDIO_MICROPHONE_ID_MAX_LEN); if (strcmp(attr[curIdx++], "channel_mapping")) { ALOGE("%s: channel_mapping not found", __func__); goto on_error; } const char *token = strtok((char *)attr[curIdx++], " "); uint32_t idx = 0; while (token) { if (!find_enum_by_string(mic_channel_mapping, token, AUDIO_MICROPHONE_CHANNEL_MAPPING_CNT, µphone.channel_mapping[idx++])) { ALOGE("%s: channel_mapping %s in %s not found!", __func__, attr[--curIdx], PLATFORM_INFO_XML_PATH); goto on_error; } token = strtok(NULL, " "); } microphone.channel_count = idx; platform_set_microphone_map(my_data.platform, in_snd_device, µphone); return; on_error: in_snd_device = SND_DEVICE_NONE; return; } /* process acdb meta info key value */ static void process_acdb_metainfo_key(const XML_Char **attr) { if (strcmp(attr[0], "name") != 0) { ALOGE("%s: 'name' not found", __func__); goto done; } if (strcmp(attr[2], "value") != 0) { ALOGE("%s: 'value' not found", __func__); goto done; } int key = atoi((char *)attr[3]); if (platform_set_acdb_metainfo_key(my_data.platform, (char*)attr[1], key) < 0) { ALOGE("%s: key %d was not set!", __func__, key); } done: return; } static void start_tag(void *userdata __unused, const XML_Char *tag_name, const XML_Char **attr) { const XML_Char *attr_name = NULL; const XML_Char *attr_value = NULL; unsigned int i; if (my_data.do_full_parse) { if (strcmp(tag_name, "acdb_ids") == 0) { section = ACDB; } else if (strncmp(tag_name, "module_ids", strlen("module_ids")) == 0) { section = MODULE; } else if (strcmp(tag_name, "pcm_ids") == 0) { section = PCM_ID; } else if (strcmp(tag_name, "backend_names") == 0) { section = BACKEND_NAME; } else if (strcmp(tag_name, "config_params") == 0) { section = CONFIG_PARAMS; } else if (strcmp(tag_name, "operator_specific") == 0) { section = OPERATOR_SPECIFIC; } else if (strcmp(tag_name, "gain_db_to_level_mapping") == 0) { section = GAIN_LEVEL_MAPPING; } else if (strcmp(tag_name, "app_types") == 0) { section = APP_TYPE; } else if (strcmp(tag_name, "microphone_characteristics") == 0) { section = MICROPHONE_CHARACTERISTIC; } else if (strcmp(tag_name, "snd_devices") == 0) { section = SND_DEVICES; } else if(strcmp(tag_name, "acdb_metainfo_key") == 0) { section = ACDB_METAINFO_KEY; } else if (strcmp(tag_name, "device") == 0) { if ((section != ACDB) && (section != AEC) && (section != NS) && (section != BACKEND_NAME) && (section != OPERATOR_SPECIFIC)) { ALOGE("device tag only supported for acdb/backend/aec/ns/operator_specific names"); return; } /* call into process function for the current section */ section_process_fn fn = section_table[section]; fn(attr); } else if (strcmp(tag_name, "usecase") == 0) { if (section != PCM_ID) { ALOGE("usecase tag only supported with PCM_ID section"); return; } section_process_fn fn = section_table[PCM_ID]; fn(attr); } else if (strcmp(tag_name, "param") == 0) { if ((section != CONFIG_PARAMS) && (section != ACDB_METAINFO_KEY)) { ALOGE("param tag only supported with CONFIG_PARAMS section"); return; } section_process_fn fn = section_table[section]; fn(attr); } else if (strcmp(tag_name, "gain_level_map") == 0) { if (section != GAIN_LEVEL_MAPPING) { ALOGE("gain_level_map tag only supported with GAIN_LEVEL_MAPPING section"); return; } section_process_fn fn = section_table[GAIN_LEVEL_MAPPING]; fn(attr); } else if (!strcmp(tag_name, "app")) { if (section != APP_TYPE) { ALOGE("app tag only valid in section APP_TYPE"); return; } section_process_fn fn = section_table[APP_TYPE]; fn(attr); } else if (strcmp(tag_name, "microphone") == 0) { if (section != MICROPHONE_CHARACTERISTIC) { ALOGE("microphone tag only supported with MICROPHONE_CHARACTERISTIC section"); return; } section_process_fn fn = section_table[MICROPHONE_CHARACTERISTIC]; fn(attr); } else if (strcmp(tag_name, "input_snd_device") == 0) { if (section != SND_DEVICES) { ALOGE("input_snd_device tag only supported with SND_DEVICES section"); return; } section = INPUT_SND_DEVICE; } else if (strcmp(tag_name, "input_snd_device_mic_mapping") == 0) { if (section != INPUT_SND_DEVICE) { ALOGE("input_snd_device_mic_mapping tag only supported with INPUT_SND_DEVICE section"); return; } section = INPUT_SND_DEVICE_TO_MIC_MAPPING; } else if (strcmp(tag_name, "snd_dev") == 0) { if (section != INPUT_SND_DEVICE_TO_MIC_MAPPING) { ALOGE("snd_dev tag only supported with INPUT_SND_DEVICE_TO_MIC_MAPPING section"); return; } section_process_fn fn = section_table[SND_DEV]; fn(attr); } else if (strcmp(tag_name, "mic_info") == 0) { if (section != INPUT_SND_DEVICE_TO_MIC_MAPPING) { ALOGE("mic_info tag only supported with INPUT_SND_DEVICE_TO_MIC_MAPPING section"); return; } if (in_snd_device == SND_DEVICE_NONE) { ALOGE("%s: Error in previous tags, do not process mic info", __func__); return; } section_process_fn fn = section_table[MIC_INFO]; fn(attr); } else if (strcmp(tag_name, "external_specific_dev") == 0) { section = EXTERNAL_DEVICE_SPECIFIC; } else if (strcmp(tag_name, "ext_device") == 0) { section_process_fn fn = section_table[section]; fn(attr); } else if (strncmp(tag_name, "aec", strlen("aec")) == 0) { if (section != MODULE) { ALOGE("aec tag only supported with MODULE section"); return; } section = AEC; } else if (strncmp(tag_name, "ns", strlen("ns")) == 0) { if (section != MODULE) { ALOGE("ns tag only supported with MODULE section"); return; } section = NS; } } else { if(strcmp(tag_name, "config_params") == 0) { section = CONFIG_PARAMS; } else if (strcmp(tag_name, "param") == 0) { if (section != CONFIG_PARAMS) { ALOGE("param tag only supported with CONFIG_PARAMS section"); return; } section_process_fn fn = section_table[section]; fn(attr); } } return; } static void end_tag(void *userdata __unused, const XML_Char *tag_name) { if (strcmp(tag_name, "acdb_ids") == 0) { section = ROOT; } else if (strncmp(tag_name, "module_ids", strlen("module_ids")) == 0) { section = ROOT; } else if (strncmp(tag_name, "aec", strlen("aec")) == 0) { section = MODULE; } else if (strncmp(tag_name, "ns", strlen("ns")) == 0) { section = MODULE; } else if (strcmp(tag_name, "pcm_ids") == 0) { section = ROOT; } else if (strcmp(tag_name, "backend_names") == 0) { section = ROOT; } else if (strcmp(tag_name, "config_params") == 0) { section = ROOT; } else if (strcmp(tag_name, "operator_specific") == 0) { section = ROOT; } else if (strcmp(tag_name, "gain_db_to_level_mapping") == 0) { section = ROOT; } else if (strcmp(tag_name, "app_types") == 0) { section = ROOT; } else if (strcmp(tag_name, "microphone_characteristics") == 0) { section = ROOT; } else if (strcmp(tag_name, "snd_devices") == 0) { section = ROOT; } else if (strcmp(tag_name, "external_specific_dev") == 0) { section = ROOT; } else if (strcmp(tag_name, "input_snd_device") == 0) { section = SND_DEVICES; } else if (strcmp(tag_name, "input_snd_device_mic_mapping") == 0) { section = INPUT_SND_DEVICE; } else if (strcmp(tag_name, "acdb_metainfo_key") == 0) { section = ROOT; } } int platform_info_init(const char *filename, void *platform, bool do_full_parse, set_parameters_fn fn) { XML_Parser parser; FILE *file; int ret = 0; int bytes_read; void *buf; static const uint32_t kBufSize = 1024; char platform_info_file_name[MIXER_PATH_MAX_LENGTH]= {0}; if (filename == NULL) { strlcpy(platform_info_file_name, PLATFORM_INFO_XML_PATH, MIXER_PATH_MAX_LENGTH); } else { strlcpy(platform_info_file_name, filename, MIXER_PATH_MAX_LENGTH); } ALOGV("%s: platform info file name is %s", __func__, platform_info_file_name); file = fopen(platform_info_file_name, "r"); if (!file) { ALOGD("%s: Failed to open %s, using defaults.", __func__, platform_info_file_name); ret = -ENODEV; goto done; } parser = XML_ParserCreate(NULL); if (!parser) { ALOGE("%s: Failed to create XML parser!", __func__); ret = -ENODEV; goto err_close_file; } pthread_mutex_lock(&my_data.lock); section = ROOT; my_data.do_full_parse = do_full_parse; my_data.platform = platform; my_data.kvpairs = str_parms_create(); my_data.set_parameters = fn; XML_SetElementHandler(parser, start_tag, end_tag); while (1) { buf = XML_GetBuffer(parser, kBufSize); if (buf == NULL) { ALOGE("%s: XML_GetBuffer failed", __func__); ret = -ENOMEM; goto err_free_parser; } bytes_read = fread(buf, 1, kBufSize, file); if (bytes_read < 0) { ALOGE("%s: fread failed, bytes read = %d", __func__, bytes_read); ret = bytes_read; goto err_free_parser; } if (XML_ParseBuffer(parser, bytes_read, bytes_read == 0) == XML_STATUS_ERROR) { ALOGE("%s: XML_ParseBuffer failed, for %s", __func__, platform_info_file_name); ret = -EINVAL; goto err_free_parser; } if (bytes_read == 0) break; } err_free_parser: if (my_data.kvpairs != NULL) { str_parms_destroy(my_data.kvpairs); my_data.kvpairs = NULL; } pthread_mutex_unlock(&my_data.lock); XML_ParserFree(parser); err_close_file: fclose(file); done: return ret; }