| /* |
| * 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 <errno.h> |
| #include <stdio.h> |
| #include <expat.h> |
| #include <log/log.h> |
| #include <audio_hw.h> |
| #include "platform_api.h" |
| #include <platform.h> |
| #include <math.h> |
| |
| typedef enum { |
| ROOT, |
| ACDB, |
| PCM_ID, |
| BACKEND_NAME, |
| CONFIG_PARAMS, |
| OPERATOR_SPECIFIC, |
| GAIN_LEVEL_MAPPING, |
| APP_TYPE, |
| MICROPHONE_CHARACTERISTIC, |
| } section_t; |
| |
| typedef void (* section_process_fn)(const XML_Char **attr); |
| |
| static void process_acdb_id(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 section_process_fn section_table[] = { |
| [ROOT] = process_root, |
| [ACDB] = process_acdb_id, |
| [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, |
| }; |
| |
| static set_parameters_fn set_parameters = &platform_set_parameters; |
| |
| static section_t section; |
| |
| struct platform_info { |
| bool do_full_parse; |
| void *platform; |
| struct str_parms *kvpairs; |
| }; |
| |
| static struct platform_info my_data = {true, NULL, NULL}; |
| |
| struct audio_string_to_enum { |
| const char* name; |
| unsigned int value; |
| }; |
| |
| 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 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; |
| } |
| |
| /* |
| * <audio_platform_info> |
| * <acdb_ids> |
| * <device name="???" acdb_id="???"/> |
| * ... |
| * ... |
| * </acdb_ids> |
| * <backend_names> |
| * <device name="???" backend="???"/> |
| * ... |
| * ... |
| * </backend_names> |
| * <pcm_ids> |
| * <usecase name="???" type="in/out" id="???"/> |
| * ... |
| * ... |
| * </pcm_ids> |
| * <config_params> |
| * <param key="snd_card_name" value="msm8994-tomtom-mtp-snd-card"/> |
| * <param key="operator_info" value="tmus;aa;bb;cc"/> |
| * <param key="operator_info" value="sprint;xx;yy;zz"/> |
| * ... |
| * ... |
| * </config_params> |
| * |
| * <operator_specific> |
| * <device name="???" operator="???" mixer_path="???" acdb_id="???"/> |
| * ... |
| * ... |
| * </operator_specific> |
| * |
| * </audio_platform_info> |
| */ |
| |
| static void process_root(const XML_Char **attr __unused) |
| { |
| } |
| |
| /* 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; |
| } |
| |
| /* 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]); |
| 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 curIdx = 0; |
| |
| if (strcmp(attr[curIdx++], "valid_mask")) { |
| ALOGE("%s: valid_mask not found", __func__); |
| goto done; |
| } |
| microphone.valid_mask = atoi(attr[curIdx++]); |
| |
| if (strcmp(attr[curIdx++], "device_id")) { |
| ALOGE("%s: device_id not found", __func__); |
| goto done; |
| } |
| if (strlen(attr[curIdx]) > AUDIO_MICROPHONE_ID_MAX_LEN) { |
| ALOGE("%s: device_id %s is too long", __func__, attr[curIdx]); |
| goto done; |
| } |
| strcpy(microphone.device_id, attr[curIdx++]); |
| |
| if (strcmp(attr[curIdx++], "type")) { |
| ALOGE("%s: device not found", __func__); |
| goto done; |
| } |
| if (!find_enum_by_string(device_in_types, (char*)attr[curIdx++], |
| ARRAY_SIZE(device_in_types), µphone.device)) { |
| ALOGE("%s: type %s in %s not found!", |
| __func__, attr[--curIdx], PLATFORM_INFO_XML_PATH); |
| goto done; |
| } |
| |
| if (strcmp(attr[curIdx++], "address")) { |
| ALOGE("%s: address not found", __func__); |
| goto done; |
| } |
| if (strlen(attr[curIdx]) > AUDIO_DEVICE_MAX_ADDRESS_LEN) { |
| ALOGE("%s, address %s is too long", __func__, attr[curIdx]); |
| goto done; |
| } |
| strcpy(microphone.address, attr[curIdx++]); |
| 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); |
| } |
| } |
| |
| if (strcmp(attr[curIdx++], "location")) { |
| ALOGE("%s: location not found", __func__); |
| goto done; |
| } |
| if (!find_enum_by_string(mic_locations, (char*)attr[curIdx++], |
| AUDIO_MICROPHONE_LOCATION_CNT, µphone.location)) { |
| ALOGE("%s: location %s in %s not found!", |
| __func__, attr[--curIdx], PLATFORM_INFO_XML_PATH); |
| goto done; |
| } |
| |
| if (strcmp(attr[curIdx++], "group")) { |
| ALOGE("%s: group not found", __func__); |
| goto done; |
| } |
| microphone.group = atoi(attr[curIdx++]); |
| |
| if (strcmp(attr[curIdx++], "index_in_the_group")) { |
| ALOGE("%s: index_in_the_group not found", __func__); |
| goto done; |
| } |
| microphone.index_in_the_group = atoi(attr[curIdx++]); |
| |
| if (strcmp(attr[curIdx++], "directionality")) { |
| ALOGE("%s: directionality not found", __func__); |
| goto done; |
| } |
| if (!find_enum_by_string(mic_directionalities, (char*)attr[curIdx++], |
| AUDIO_MICROPHONE_DIRECTIONALITY_CNT, µphone.directionality)) { |
| ALOGE("%s: directionality %s in %s not found!", |
| __func__, attr[--curIdx], PLATFORM_INFO_XML_PATH); |
| goto done; |
| } |
| |
| if (strcmp(attr[curIdx++], "num_frequency_responses")) { |
| ALOGE("%s: num_frequency_responses not found", __func__); |
| goto done; |
| } |
| microphone.num_frequency_responses = atoi(attr[curIdx++]); |
| if (microphone.num_frequency_responses > AUDIO_MICROPHONE_MAX_FREQUENCY_RESPONSES) { |
| ALOGE("%s: num_frequency_responses is too large", __func__); |
| goto done; |
| } |
| if (microphone.num_frequency_responses > 0) { |
| if (strcmp(attr[curIdx++], "frequencies")) { |
| ALOGE("%s: frequencies not found", __func__); |
| goto done; |
| } |
| char *token = strtok((char *)attr[curIdx++], " "); |
| uint32_t num_frequencies = 0; |
| 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, " "); |
| } |
| |
| if (strcmp(attr[curIdx++], "responses")) { |
| ALOGE("%s: responses not found", __func__); |
| goto done; |
| } |
| token = strtok((char *)attr[curIdx++], " "); |
| uint32_t num_responses = 0; |
| 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, " "); |
| } |
| |
| 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 (microphone.valid_mask & AUDIO_MICROPHONE_CHARACTERISTIC_SENSITIVITY) { |
| if (strcmp(attr[curIdx++], "sensitivity")) { |
| ALOGE("%s: sensitivity not found", __func__); |
| goto done; |
| } |
| microphone.sensitivity = atof(attr[curIdx++]); |
| } else { |
| microphone.sensitivity = AUDIO_MICROPHONE_SENSITIVITY_UNKNOWN; |
| } |
| |
| if (microphone.valid_mask & AUDIO_MICROPHONE_CHARACTERISTIC_MAX_SPL) { |
| if (strcmp(attr[curIdx++], "max_spl")) { |
| ALOGE("%s: max_spl not found", __func__); |
| goto done; |
| } |
| microphone.max_spl = atof(attr[curIdx++]); |
| } else { |
| microphone.max_spl = AUDIO_MICROPHONE_SPL_UNKNOWN; |
| } |
| |
| if (microphone.valid_mask & AUDIO_MICROPHONE_CHARACTERISTIC_MIN_SPL) { |
| if (strcmp(attr[curIdx++], "min_spl")) { |
| ALOGE("%s: min_spl not found", __func__); |
| goto done; |
| } |
| microphone.min_spl = atof(attr[curIdx++]); |
| } else { |
| microphone.min_spl = AUDIO_MICROPHONE_SPL_UNKNOWN; |
| } |
| |
| if (microphone.valid_mask & AUDIO_MICROPHONE_CHARACTERISTIC_ORIENTATION) { |
| if (strcmp(attr[curIdx++], "orientation")) { |
| ALOGE("%s: orientation not found", __func__); |
| goto done; |
| } |
| char *token = strtok((char *)attr[curIdx++], " "); |
| 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 { |
| microphone.orientation.x = 0.0f; |
| microphone.orientation.y = 0.0f; |
| microphone.orientation.z = 0.0f; |
| } |
| |
| if (microphone.valid_mask & AUDIO_MICROPHONE_CHARACTERISTIC_GEOMETRIC_LOCATION) { |
| if (strcmp(attr[curIdx++], "geometric_location")) { |
| ALOGE("%s: geometric_location not found", __func__); |
| goto done; |
| } |
| char *token = strtok((char *)attr[curIdx++], " "); |
| 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 { |
| microphone.geometric_location.x = AUDIO_MICROPHONE_COORDINATE_UNKNOWN; |
| microphone.geometric_location.y = AUDIO_MICROPHONE_COORDINATE_UNKNOWN; |
| microphone.geometric_location.z = AUDIO_MICROPHONE_COORDINATE_UNKNOWN; |
| } |
| |
| platform_set_microphone_characteristic(my_data.platform, microphone); |
| 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 (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, "device") == 0) { |
| if ((section != ACDB) && (section != BACKEND_NAME) && (section != OPERATOR_SPECIFIC)) { |
| ALOGE("device tag only supported for acdb/backend 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) { |
| 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, "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 (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; |
| } |
| } |
| |
| int snd_card_info_init(const char *filename, void *platform, set_parameters_fn fn) |
| { |
| set_parameters = fn; |
| my_data.do_full_parse = false; |
| return platform_info_init(filename, platform); |
| } |
| |
| int platform_info_init(const char *filename, void *platform) |
| { |
| 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}; |
| section = ROOT; |
| |
| 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; |
| } |
| |
| my_data.platform = platform; |
| my_data.kvpairs = str_parms_create(); |
| |
| 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; |
| } |
| |
| set_parameters = &platform_set_parameters; |
| my_data.do_full_parse = true; |
| |
| err_free_parser: |
| XML_ParserFree(parser); |
| err_close_file: |
| fclose(file); |
| done: |
| return ret; |
| } |