/* * Copyright (c) 2011-2012, Code Aurora Forum. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials provided * with the distribution. * * Neither the name of Code Aurora Forum, Inc. nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #define LOG_TAG "alsa_ucm" //#define LOG_NDDEBUG 0 #ifdef ANDROID /* definitions for Android logging */ #include #include #else /* ANDROID */ #include #define strlcat g_strlcat #define strlcpy g_strlcpy #define ALOGI(...) fprintf(stdout, __VA_ARGS__) #define ALOGE(...) fprintf(stderr, __VA_ARGS__) #define ALOGV(...) fprintf(stderr, __VA_ARGS__) #define ALOGD(...) fprintf(stderr, __VA_ARGS__) #endif /* ANDROID */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "msm8960_use_cases.h" #if defined(QC_PROP) static void (*acdb_send_audio_cal)(int,int); static void (*acdb_send_voice_cal)(int,int); #endif #define PARSE_DEBUG 0 /** * Create an identifier * fmt - sprintf like format, * ... - Optional arguments * returns - string allocated or NULL on error */ char *snd_use_case_identifier(const char *fmt, ...) { ALOGE("API not implemented for now, to be updated if required"); return NULL; } /** * Free a list * list - list to free * items - Count of strings * Return Zero on success, otherwise a negative error code */ int snd_use_case_free_list(const char *list[], int items) { /* list points to UCM internal static tables, * hence there is no need to do a free call * just set the list to NULL and return */ list = NULL; return 0; } /** * Obtain a list of entries * uc_mgr - UCM structure pointer or NULL for card list * identifier - NULL for card list * list - Returns allocated list * returns Number of list entries on success, otherwise a negative error code */ int snd_use_case_get_list(snd_use_case_mgr_t *uc_mgr, const char *identifier, const char **list[]) { use_case_verb_t *verb_list; int verb_index, list_size, index = 0; if (identifier == NULL) { *list = card_list; return ((int)MAX_NUM_CARDS); } pthread_mutex_lock(&uc_mgr->card_ctxt_ptr->card_lock); if ((uc_mgr->snd_card_index >= (int)MAX_NUM_CARDS) || (uc_mgr->snd_card_index < 0) || (uc_mgr->card_ctxt_ptr == NULL)) { ALOGE("snd_use_case_get_list(): failed, invalid arguments"); pthread_mutex_unlock(&uc_mgr->card_ctxt_ptr->card_lock); return -EINVAL; } if (!strncmp(identifier, "_verbs", 6)) { while(strncmp(uc_mgr->card_ctxt_ptr->verb_list[index], SND_UCM_END_OF_LIST, strlen(SND_UCM_END_OF_LIST))) { ALOGV("Index:%d Verb:%s", index, uc_mgr->card_ctxt_ptr->verb_list[index]); index++; } *list = (char ***)uc_mgr->card_ctxt_ptr->verb_list; pthread_mutex_unlock(&uc_mgr->card_ctxt_ptr->card_lock); return index; } else if (!strncmp(identifier, "_devices", 8)) { if (!strncmp(uc_mgr->card_ctxt_ptr->current_verb, SND_USE_CASE_VERB_INACTIVE, strlen(SND_USE_CASE_VERB_INACTIVE))) { ALOGE("Use case verb name not set, invalid current verb"); pthread_mutex_unlock(&uc_mgr->card_ctxt_ptr->card_lock); return -EINVAL; } verb_list = uc_mgr->card_ctxt_ptr->use_case_verb_list; while(strncmp(uc_mgr->card_ctxt_ptr->current_verb, verb_list[index].use_case_name, (strlen(verb_list[index].use_case_name)+1))) { index++; } verb_index = index; index = 0; while(strncmp(verb_list[verb_index].device_list[index], SND_UCM_END_OF_LIST, strlen(SND_UCM_END_OF_LIST))) { ALOGV("Index:%d Device:%s", index, verb_list[verb_index].device_list[index]); index++; } *list = verb_list[verb_index].device_list; pthread_mutex_unlock(&uc_mgr->card_ctxt_ptr->card_lock); return index; } else if (!strncmp(identifier, "_modifiers", 10)) { if (!strncmp(uc_mgr->card_ctxt_ptr->current_verb, SND_USE_CASE_VERB_INACTIVE, MAX_STR_LEN)) { ALOGE("Use case verb name not set, invalid current verb"); pthread_mutex_unlock(&uc_mgr->card_ctxt_ptr->card_lock); return -EINVAL; } verb_list = uc_mgr->card_ctxt_ptr->use_case_verb_list; while(strncmp(uc_mgr->card_ctxt_ptr->current_verb, verb_list[index].use_case_name, (strlen(verb_list[index].use_case_name)+1))) { index++; } verb_index = index; index = 0; while(strncmp(verb_list[verb_index].modifier_list[index], SND_UCM_END_OF_LIST, strlen(SND_UCM_END_OF_LIST))) { ALOGV("Index:%d Modifier:%s", index, verb_list[verb_index].modifier_list[index]); index++; } *list = verb_list[verb_index].modifier_list; pthread_mutex_unlock(&uc_mgr->card_ctxt_ptr->card_lock); return index; } else if (!strncmp(identifier, "_enadevs", 8)) { if (uc_mgr->device_list_count) { for (index = 0; index < uc_mgr->device_list_count; index++) { free(uc_mgr->current_device_list[index]); uc_mgr->current_device_list[index] = NULL; } free(uc_mgr->current_device_list); uc_mgr->current_device_list = NULL; uc_mgr->device_list_count = 0; } list_size = snd_ucm_get_size_of_list(uc_mgr->card_ctxt_ptr->dev_list_head); uc_mgr->device_list_count = list_size; if (list_size > 0) { uc_mgr->current_device_list = (char **)malloc(sizeof(char *)*list_size); if (uc_mgr->current_device_list == NULL) { *list = NULL; pthread_mutex_unlock(&uc_mgr->card_ctxt_ptr->card_lock); return -ENOMEM; } for (index = 0; index < list_size; index++) { uc_mgr->current_device_list[index] = snd_ucm_get_value_at_index(uc_mgr->card_ctxt_ptr->dev_list_head, index); } } *list = (const char **)uc_mgr->current_device_list; pthread_mutex_unlock(&uc_mgr->card_ctxt_ptr->card_lock); return (list_size); } else if (!strncmp(identifier, "_enamods", 8)) { if (uc_mgr->modifier_list_count) { for (index = 0; index < uc_mgr->modifier_list_count; index++) { free(uc_mgr->current_modifier_list[index]); uc_mgr->current_modifier_list[index] = NULL; } free(uc_mgr->current_modifier_list); uc_mgr->current_modifier_list = NULL; uc_mgr->modifier_list_count = 0; } list_size = snd_ucm_get_size_of_list(uc_mgr->card_ctxt_ptr->mod_list_head); uc_mgr->modifier_list_count = list_size; if (list_size > 0) { uc_mgr->current_modifier_list = (char **)malloc(sizeof(char *) * list_size); if (uc_mgr->current_modifier_list == NULL) { *list = NULL; pthread_mutex_unlock(&uc_mgr->card_ctxt_ptr->card_lock); return -ENOMEM; } for (index = 0; index < list_size; index++) { uc_mgr->current_modifier_list[index] = snd_ucm_get_value_at_index(uc_mgr->card_ctxt_ptr->mod_list_head, index); } } *list = (const char **)uc_mgr->current_modifier_list; pthread_mutex_unlock(&uc_mgr->card_ctxt_ptr->card_lock); return (list_size); } else { ALOGE("Invalid identifier: %s", identifier); pthread_mutex_unlock(&uc_mgr->card_ctxt_ptr->card_lock); return -EINVAL; } } /** * Get current value of the identifier * identifier - NULL for current card * _verb * /<_device/_modifier> * Name - PlaybackPCM * CapturePCM * PlaybackCTL * CaptureCTL * value - Value pointer * returns Zero if success, otherwise a negative error code */ int snd_use_case_get(snd_use_case_mgr_t *uc_mgr, const char *identifier, const char **value) { card_mctrl_t *ctrl_list; use_case_verb_t *verb_list; char ident[MAX_STR_LEN], *ident1, *ident2, *temp_ptr; int index, verb_index = 0, ret = 0; pthread_mutex_lock(&uc_mgr->card_ctxt_ptr->card_lock); if ((uc_mgr->snd_card_index >= (int)MAX_NUM_CARDS) || (uc_mgr->snd_card_index < 0) || (uc_mgr->card_ctxt_ptr == NULL)) { ALOGE("snd_use_case_get(): failed, invalid arguments"); pthread_mutex_unlock(&uc_mgr->card_ctxt_ptr->card_lock); return -EINVAL; } if (identifier == NULL) { if (uc_mgr->card_ctxt_ptr->card_name != NULL) { *value = strdup(uc_mgr->card_ctxt_ptr->card_name); } else { *value = NULL; } pthread_mutex_unlock(&uc_mgr->card_ctxt_ptr->card_lock); return 0; } if (!strncmp(identifier, "_verb", 5)) { if (uc_mgr->card_ctxt_ptr->current_verb != NULL) { *value = strdup(uc_mgr->card_ctxt_ptr->current_verb); } else { *value = NULL; } pthread_mutex_unlock(&uc_mgr->card_ctxt_ptr->card_lock); return 0; } strlcpy(ident, identifier, sizeof(ident)); if(!(ident1 = strtok_r(ident, "/", &temp_ptr))) { ALOGE("No valid identifier found: %s", ident); ret = -EINVAL; } else { if ((!strncmp(ident1, "PlaybackPCM", 11)) || (!strncmp(ident1, "CapturePCM", 10))) { ident2 = strtok_r(NULL, "/", &temp_ptr); index = 0; if (ident2 != NULL) { verb_index = uc_mgr->card_ctxt_ptr->current_verb_index; verb_list = uc_mgr->card_ctxt_ptr->use_case_verb_list; if((get_usecase_type(uc_mgr, ident2)) == CTRL_LIST_VERB) { ctrl_list = verb_list[verb_index].verb_ctrls; } else { ctrl_list = verb_list[verb_index].mod_ctrls; } if((verb_index < 0) || (!strncmp(uc_mgr->card_ctxt_ptr->current_verb, SND_UCM_END_OF_LIST, 3)) || (ctrl_list == NULL)) { ALOGE("Invalid current verb value: %s - %d", uc_mgr->card_ctxt_ptr->current_verb, verb_index); pthread_mutex_unlock(&uc_mgr->card_ctxt_ptr->card_lock); return -EINVAL; } while(strncmp(ctrl_list[index].case_name, ident2, (strlen(ident2)+1))) { if (!strncmp(ctrl_list[index].case_name, SND_UCM_END_OF_LIST, strlen(SND_UCM_END_OF_LIST))){ *value = NULL; ret = -EINVAL; break; } else { index++; } } } else { ret = -EINVAL; } if (ret < 0) { ALOGE("No valid device/modifier found with given identifier: %s", ident2); } else { if(!strncmp(ident1, "PlaybackPCM", 11)) { if (ctrl_list[index].playback_dev_name) { *value = strdup(ctrl_list[index].playback_dev_name); } else { *value = NULL; ret = -ENODEV; } } else if(!strncmp(ident1, "CapturePCM", 10)) { if (ctrl_list[index].capture_dev_name) { *value = strdup(ctrl_list[index].capture_dev_name); } else { *value = NULL; ret = -ENODEV; } } else { ALOGE("No valid device name exists for given identifier: %s", ident2); *value = NULL; ret = -ENODEV; } } } else if ((!strncmp(ident1, "PlaybackCTL", 11)) || (!strncmp(ident1, "CaptureCTL", 10))) { if(uc_mgr->card_ctxt_ptr->control_device != NULL) { *value = strdup(uc_mgr->card_ctxt_ptr->control_device); } else { ALOGE("No valid control device found"); *value = NULL; ret = -ENODEV; } } else if (!strncmp(ident1, "ACDBID", 11)) { ident2 = strtok_r(NULL, "/", &temp_ptr); index = 0; verb_index = 0; verb_list = uc_mgr->card_ctxt_ptr->use_case_verb_list; if((verb_index < 0) || (!strncmp(uc_mgr->card_ctxt_ptr->current_verb, SND_UCM_END_OF_LIST, 3)) || (verb_list[verb_index].verb_ctrls == NULL)) { ALOGE("Invalid current verb value: %s - %d", uc_mgr->card_ctxt_ptr->current_verb, verb_index); pthread_mutex_unlock(&uc_mgr->card_ctxt_ptr->card_lock); return -EINVAL; } ctrl_list = verb_list[verb_index].device_ctrls; if (ident2 != NULL) { while(strncmp(ctrl_list[index].case_name, ident2, MAX_LEN(ctrl_list[index].case_name,ident2))) { if (!strncmp(ctrl_list[index].case_name, SND_UCM_END_OF_LIST, strlen(SND_UCM_END_OF_LIST))){ ret = -EINVAL; break; } else { index++; } } } if (ret < 0) { ALOGE("No valid device/modifier found with given identifier: %s", ident2); } else { if (verb_list[verb_index].device_ctrls[index].acdb_id) { ret = verb_list[verb_index].device_ctrls[index].acdb_id; } else { ret = -ENODEV; } } } else if (!strncmp(ident1, "EffectsMixerCTL", 11)) { ident2 = strtok_r(NULL, "/", &temp_ptr); index = 0; verb_index = 0; verb_list = uc_mgr->card_ctxt_ptr->use_case_verb_list; if((verb_index < 0) || (!strncmp(uc_mgr->card_ctxt_ptr->current_verb, SND_UCM_END_OF_LIST, 3)) || (verb_list[verb_index].verb_ctrls == NULL)) { ALOGE("Invalid current verb value: %s - %d", uc_mgr->card_ctxt_ptr->current_verb, verb_index); pthread_mutex_unlock(&uc_mgr->card_ctxt_ptr->card_lock); return -EINVAL; } ctrl_list = verb_list[verb_index].device_ctrls; if (ident2 != NULL) { while(strncmp(ctrl_list[index].case_name, ident2, strlen(ident2)+1)) { if (!strncmp(ctrl_list[index].case_name, SND_UCM_END_OF_LIST, strlen(SND_UCM_END_OF_LIST))){ ret = -EINVAL; break; } else { index++; } } } if (ret < 0) { ALOGE("No valid device/modifier found with given identifier: %s", ident2); } else { if (verb_list[verb_index].device_ctrls[index].effects_mixer_ctl) { *value = strdup(verb_list[verb_index].device_ctrls[index].effects_mixer_ctl); } else { *value = NULL; ret = -ENODEV; } } } else { ALOGE("Unsupported identifier value: %s", ident1); *value = NULL; ret = -EINVAL; } } pthread_mutex_unlock(&uc_mgr->card_ctxt_ptr->card_lock); return ret; } /** * Get current status * uc_mgr - UCM structure * identifier - _devstatus/, _modstatus/ * value - result * returns 0 on success, otherwise a negative error code */ int snd_use_case_geti(snd_use_case_mgr_t *uc_mgr, const char *identifier, long *value) { char ident[MAX_STR_LEN], *ident1, *ident2, *ident_value, *temp_ptr; int index, list_size, ret = -EINVAL; pthread_mutex_lock(&uc_mgr->card_ctxt_ptr->card_lock); if ((uc_mgr->snd_card_index >= (int)MAX_NUM_CARDS) || (uc_mgr->snd_card_index < 0) || (uc_mgr->card_ctxt_ptr == NULL)) { ALOGE("snd_use_case_geti(): failed, invalid arguments"); pthread_mutex_unlock(&uc_mgr->card_ctxt_ptr->card_lock); return -EINVAL; } *value = 0; strlcpy(ident, identifier, sizeof(ident)); if(!(ident1 = strtok_r(ident, "/", &temp_ptr))) { ALOGE("No valid identifier found: %s", ident); ret = -EINVAL; } else { if (!strncmp(ident1, "_devstatus", 10)) { ident2 = strtok_r(NULL, "/", &temp_ptr); if (ident2 != NULL) { list_size = snd_ucm_get_size_of_list(uc_mgr->card_ctxt_ptr->dev_list_head); for (index = 0; index < list_size; index++) { if ((ident_value = snd_ucm_get_value_at_index(uc_mgr->card_ctxt_ptr->dev_list_head, index))) { if (!strncmp(ident2, ident_value, (strlen(ident_value)+1))) { *value = 1; free(ident_value); ident_value = NULL; break; } else { free(ident_value); ident_value = NULL; } } } ret = 0; } } else if (!strncmp(ident1, "_modstatus", 10)) { ident2 = strtok_r(NULL, "/", &temp_ptr); if (ident2 != NULL) { list_size = snd_ucm_get_size_of_list(uc_mgr->card_ctxt_ptr->mod_list_head); for (index = 0; index < list_size; index++) { if((ident_value = snd_ucm_get_value_at_index(uc_mgr->card_ctxt_ptr->mod_list_head, index))) { if (!strncmp(ident2, ident_value, (strlen(ident_value)+1))) { *value = 1; free(ident_value); ident_value = NULL; break; } else { free(ident_value); ident_value = NULL; } } } ret = 0; } } else { ALOGE("Unknown identifier: %s", ident1); } } pthread_mutex_unlock(&uc_mgr->card_ctxt_ptr->card_lock); return ret; } static int check_devices_for_voice_call(snd_use_case_mgr_t *uc_mgr, const char *use_case) { struct snd_ucm_ident_node *dev_node = NULL; int index = 0, list_size = 0, rx_dev_status = 0, tx_dev_status = 0; if ((!strncmp(use_case, SND_USE_CASE_VERB_VOICECALL, strlen(SND_USE_CASE_VERB_VOICECALL))) || (!strncmp(use_case, SND_USE_CASE_VERB_IP_VOICECALL, strlen(SND_USE_CASE_VERB_IP_VOICECALL))) || (!strncmp(use_case, SND_USE_CASE_MOD_PLAY_VOICE, strlen(SND_USE_CASE_MOD_PLAY_VOICE))) || (!strncmp(use_case, SND_USE_CASE_MOD_PLAY_VOIP, strlen(SND_USE_CASE_MOD_PLAY_VOIP)))) { ALOGV("check_devices_for_voice_call(): voice cap detected\n"); list_size = snd_ucm_get_size_of_list(uc_mgr->card_ctxt_ptr->dev_list_head); for (index = 0; index < list_size; index++) { if ((dev_node = snd_ucm_get_device_node(uc_mgr->card_ctxt_ptr->dev_list_head, index))) { if (dev_node->capability == CAP_RX && dev_node->active == 1) { rx_dev_status = 1; } else if (dev_node->capability == CAP_TX && dev_node->active == 1) { tx_dev_status = 1; } } } if (rx_dev_status == 1 && tx_dev_status == 1) { ALOGV("check_devices_for_voice_call(): Rx and Tx devices enabled\n"); return 0; } else { ALOGV("check_devices_for_voice_call(): Rx/Tx dev not enabled: \ %d,%d\n", rx_dev_status, tx_dev_status); return 1; } } return 0; } static int snd_use_case_apply_voice_acdb(snd_use_case_mgr_t *uc_mgr, int use_case_index) { card_mctrl_t *ctrl_list; int list_size, index, verb_index, ret = 0, voice_acdb = 0, rx_id, tx_id; char *ident_value = NULL; /* Check if voice call use case/modifier exists */ if ((!strncmp(uc_mgr->card_ctxt_ptr->current_verb, SND_USE_CASE_VERB_VOICECALL, strlen(SND_USE_CASE_VERB_VOICECALL))) || (!strncmp(uc_mgr->card_ctxt_ptr->current_verb, SND_USE_CASE_VERB_IP_VOICECALL, strlen(SND_USE_CASE_VERB_IP_VOICECALL)))) { voice_acdb = 1; } if (voice_acdb != 1) { list_size = snd_ucm_get_size_of_list(uc_mgr->card_ctxt_ptr->mod_list_head); for (index = 0; index < list_size; index++) { if ((ident_value = snd_ucm_get_value_at_index(uc_mgr->card_ctxt_ptr->mod_list_head, index))) { if ((!strncmp(ident_value, SND_USE_CASE_MOD_PLAY_VOICE, strlen(SND_USE_CASE_MOD_PLAY_VOICE))) || (!strncmp(ident_value, SND_USE_CASE_MOD_PLAY_VOIP, strlen(SND_USE_CASE_MOD_PLAY_VOIP)))) { voice_acdb = 1; free(ident_value); ident_value = NULL; break; } free(ident_value); ident_value = NULL; } } } verb_index = uc_mgr->card_ctxt_ptr->current_verb_index; if((verb_index < 0) || (!strncmp(uc_mgr->card_ctxt_ptr->current_verb, SND_UCM_END_OF_LIST, 3))) { ALOGE("Invalid current verb value: %s - %d", uc_mgr->card_ctxt_ptr->current_verb, verb_index); return -EINVAL; } if (voice_acdb == 1) { ctrl_list = uc_mgr->card_ctxt_ptr->use_case_verb_list[verb_index].device_ctrls; list_size = snd_ucm_get_size_of_list(uc_mgr->card_ctxt_ptr->dev_list_head); for (index = 0; index < list_size; index++) { if ((ident_value = snd_ucm_get_value_at_index(uc_mgr->card_ctxt_ptr->dev_list_head, index))) { if (strncmp(ident_value, ctrl_list[use_case_index].case_name, (strlen(ctrl_list[use_case_index].case_name)+1))) { break; } free(ident_value); ident_value = NULL; } } index = 0; if (ident_value != NULL) { while(strncmp(ctrl_list[index].case_name, ident_value, (strlen(ident_value)+1))) { if (!strncmp(ctrl_list[index].case_name, SND_UCM_END_OF_LIST, strlen(SND_UCM_END_OF_LIST))) { ret = -EINVAL; break; } index++; } if (ret < 0) { ALOGE("No valid device found: %s",ident_value); } else { if (ctrl_list[use_case_index].capability == CAP_RX) { rx_id = ctrl_list[use_case_index].acdb_id; tx_id = ctrl_list[index].acdb_id; } else { rx_id = ctrl_list[index].acdb_id; tx_id = ctrl_list[use_case_index].acdb_id; } if(((rx_id == DEVICE_SPEAKER_MONO_RX_ACDB_ID)||(rx_id == DEVICE_SPEAKER_STEREO_RX_ACDB_ID)) && tx_id == DEVICE_HANDSET_TX_ACDB_ID) { tx_id = DEVICE_SPEAKER_TX_ACDB_ID; } else if (((rx_id == DEVICE_SPEAKER_MONO_RX_ACDB_ID )||(rx_id == DEVICE_SPEAKER_STEREO_RX_ACDB_ID)) && tx_id == DEVICE_HANDSET_TX_FV5_ACDB_ID) { tx_id = DEVICE_SPEAKER_TX_FV5_ACDB_ID; } if ((rx_id != uc_mgr->current_rx_device) || (tx_id != uc_mgr->current_tx_device)) { uc_mgr->current_rx_device = rx_id; uc_mgr->current_tx_device = tx_id; ALOGD("Voice acdb: rx id %d tx id %d", uc_mgr->current_rx_device, uc_mgr->current_tx_device); if (uc_mgr->acdb_handle && !uc_mgr->isFusion3Platform) { acdb_send_voice_cal = dlsym(uc_mgr->acdb_handle,"acdb_loader_send_voice_cal"); if (acdb_send_voice_cal == NULL) { ALOGE("ucm: dlsym: Error:%s Loading acdb_loader_send_voice_cal", dlerror()); }else { acdb_send_voice_cal(uc_mgr->current_rx_device, uc_mgr->current_tx_device); } } } else { ALOGV("Voice acdb: Required acdb already pushed \ rx id %d tx id %d", uc_mgr->current_rx_device, uc_mgr->current_tx_device); } } free(ident_value); ident_value = NULL; } } else { ALOGV("No voice use case found"); uc_mgr->current_rx_device = -1; uc_mgr->current_tx_device = -1; ret = -ENODEV; } return ret; } int get_use_case_index(snd_use_case_mgr_t *uc_mgr, const char *use_case, int ctrl_list_type) { use_case_verb_t *verb_list; card_mctrl_t *ctrl_list; int ret = 0, index = 0, verb_index; verb_list = uc_mgr->card_ctxt_ptr->use_case_verb_list; verb_index = uc_mgr->card_ctxt_ptr->current_verb_index; if (ctrl_list_type == CTRL_LIST_VERB) { ctrl_list = uc_mgr->card_ctxt_ptr->use_case_verb_list[verb_index].verb_ctrls; } else if (ctrl_list_type == CTRL_LIST_DEVICE) { ctrl_list = uc_mgr->card_ctxt_ptr->use_case_verb_list[verb_index].device_ctrls; } else if (ctrl_list_type == CTRL_LIST_MODIFIER) { ctrl_list = uc_mgr->card_ctxt_ptr->use_case_verb_list[verb_index].mod_ctrls; } else { ctrl_list = NULL; } if((verb_index < 0) || (!strncmp(uc_mgr->card_ctxt_ptr->current_verb, SND_UCM_END_OF_LIST, 3)) || (ctrl_list == NULL) || (ctrl_list[index].case_name == NULL)) { ALOGE("Invalid current verb value: %s - %d", uc_mgr->card_ctxt_ptr->current_verb, verb_index); return -EINVAL; } while(strncmp(ctrl_list[index].case_name, use_case, (strlen(use_case)+1))) { if (!strncmp(ctrl_list[index].case_name, SND_UCM_END_OF_LIST, strlen(SND_UCM_END_OF_LIST))) { ret = -EINVAL; break; } index++; if (ctrl_list[index].case_name == NULL) { ALOGE("Invalid case_name at index %d", index); ret = -EINVAL; break; } } if (ret < 0) { return ret; } else { return index; } } /* Apply the required mixer controls for specific use case * uc_mgr - UCM structure pointer * use_case - use case name * return 0 on sucess, otherwise a negative error code */ int snd_use_case_apply_mixer_controls(snd_use_case_mgr_t *uc_mgr, const char *use_case, int enable, int ctrl_list_type, int uc_index) { card_mctrl_t *ctrl_list; mixer_control_t *mixer_list; struct mixer_ctl *ctl; int i, ret = 0, index = 0, verb_index, mixer_count; verb_index = uc_mgr->card_ctxt_ptr->current_verb_index; if (ctrl_list_type == CTRL_LIST_VERB) { ctrl_list = uc_mgr->card_ctxt_ptr->use_case_verb_list[verb_index].verb_ctrls; } else if (ctrl_list_type == CTRL_LIST_DEVICE) { ctrl_list = uc_mgr->card_ctxt_ptr->use_case_verb_list[verb_index].device_ctrls; } else if (ctrl_list_type == CTRL_LIST_MODIFIER) { ctrl_list = uc_mgr->card_ctxt_ptr->use_case_verb_list[verb_index].mod_ctrls; } else { ctrl_list = NULL; } if((verb_index < 0) || (!strncmp(uc_mgr->card_ctxt_ptr->current_verb, SND_UCM_END_OF_LIST, 3)) || (ctrl_list == NULL)) { ALOGE("Invalid current verb value: %s - %d", uc_mgr->card_ctxt_ptr->current_verb, verb_index); return -EINVAL; } if (uc_index < 0) { ALOGE("No valid use case found with the use case: %s", use_case); ret = -ENODEV; } else { if (!uc_mgr->card_ctxt_ptr->mixer_handle) { ALOGE("Control device not initialized"); ret = -ENODEV; } else { if (enable && (check_devices_for_voice_call(uc_mgr, use_case) != NULL)) return ret; ALOGD("Set mixer controls for %s enable %d", use_case, enable); if (ctrl_list[uc_index].acdb_id && ctrl_list[uc_index].capability) { if (enable) { if (snd_use_case_apply_voice_acdb(uc_mgr, uc_index)) { ALOGV("acdb_id %d cap %d enable %d", ctrl_list[uc_index].acdb_id, ctrl_list[uc_index].capability, enable); if (uc_mgr->acdb_handle) { acdb_send_audio_cal = dlsym(uc_mgr->acdb_handle,"acdb_loader_send_audio_cal"); if (acdb_send_audio_cal == NULL) { ALOGE("ucm:dlsym:Error:%s Loading acdb_loader_send_audio_cal", dlerror()); } else { acdb_send_audio_cal(ctrl_list[uc_index].acdb_id, ctrl_list[uc_index].capability); } } } } } if (enable) { mixer_list = ctrl_list[uc_index].ena_mixer_list; mixer_count = ctrl_list[uc_index].ena_mixer_count; } else { mixer_list = ctrl_list[uc_index].dis_mixer_list; mixer_count = ctrl_list[uc_index].dis_mixer_count; } for(index = 0; index < mixer_count; index++) { if (mixer_list == NULL) { ALOGE("No valid controls exist for this case: %s", use_case); break; } ctl = mixer_get_control(uc_mgr->card_ctxt_ptr->mixer_handle, mixer_list[index].control_name, 0); if (ctl) { if (mixer_list[index].type == TYPE_INT) { ALOGV("Setting mixer control: %s, value: %d", mixer_list[index].control_name, mixer_list[index].value); ret = mixer_ctl_set(ctl, mixer_list[index].value); } else if (mixer_list[index].type == TYPE_MULTI_VAL) { ALOGD("Setting multi value: %s", mixer_list[index].control_name); ret = mixer_ctl_set_value(ctl, mixer_list[index].value, mixer_list[index].mulval); if (ret < 0) ALOGE("Failed to set multi value control %s\n", mixer_list[index].control_name); } else { ALOGV("Setting mixer control: %s, value: %s", mixer_list[index].control_name, mixer_list[index].string); ret = mixer_ctl_select(ctl, mixer_list[index].string); } if ((ret != 0) && enable) { /* Disable all the mixer controls which are * already enabled before failure */ mixer_list = ctrl_list[uc_index].dis_mixer_list; mixer_count = ctrl_list[uc_index].dis_mixer_count; for(i = 0; i < mixer_count; i++) { ctl = mixer_get_control( uc_mgr->card_ctxt_ptr->mixer_handle, mixer_list[i].control_name, 0); if (ctl) { if (mixer_list[i].type == TYPE_INT) { ret = mixer_ctl_set(ctl, mixer_list[i].value); } else { ret = mixer_ctl_select(ctl, mixer_list[i].string); } } } ALOGE("Failed to enable the mixer controls for %s", use_case); break; } } } } } return ret; } int getUseCaseType(const char *useCase) { ALOGV("getUseCaseType: use case is %s\n", useCase); if (!strncmp(useCase, SND_USE_CASE_VERB_HIFI, MAX_LEN(useCase,SND_USE_CASE_VERB_HIFI)) || !strncmp(useCase, SND_USE_CASE_VERB_HIFI_LOWLATENCY_MUSIC, MAX_LEN(useCase,SND_USE_CASE_VERB_HIFI_LOWLATENCY_MUSIC)) || !strncmp(useCase, SND_USE_CASE_VERB_HIFI_LOW_POWER, MAX_LEN(useCase,SND_USE_CASE_VERB_HIFI_LOW_POWER)) || !strncmp(useCase, SND_USE_CASE_VERB_HIFI_TUNNEL, MAX_LEN(useCase,SND_USE_CASE_VERB_HIFI_TUNNEL)) || !strncmp(useCase, SND_USE_CASE_VERB_HIFI2, MAX_LEN(useCase,SND_USE_CASE_VERB_HIFI2)) || !strncmp(useCase, SND_USE_CASE_VERB_DIGITAL_RADIO, MAX_LEN(useCase,SND_USE_CASE_VERB_DIGITAL_RADIO)) || !strncmp(useCase, SND_USE_CASE_MOD_PLAY_MUSIC, MAX_LEN(useCase,SND_USE_CASE_MOD_PLAY_MUSIC)) || !strncmp(useCase, SND_USE_CASE_MOD_PLAY_LOWLATENCY_MUSIC, MAX_LEN(useCase,SND_USE_CASE_MOD_PLAY_LOWLATENCY_MUSIC)) || !strncmp(useCase, SND_USE_CASE_MOD_PLAY_MUSIC2, MAX_LEN(useCase,SND_USE_CASE_MOD_PLAY_MUSIC2)) || !strncmp(useCase, SND_USE_CASE_MOD_PLAY_LPA, MAX_LEN(useCase,SND_USE_CASE_MOD_PLAY_LPA)) || !strncmp(useCase, SND_USE_CASE_MOD_PLAY_TUNNEL, MAX_LEN(useCase,SND_USE_CASE_MOD_PLAY_TUNNEL)) || !strncmp(useCase, SND_USE_CASE_MOD_PLAY_FM, MAX_LEN(useCase,SND_USE_CASE_MOD_PLAY_FM))) { return CAP_RX; } else if (!strncmp(useCase, SND_USE_CASE_VERB_HIFI_REC, MAX_LEN(useCase,SND_USE_CASE_VERB_HIFI_REC)) || !strncmp(useCase, SND_USE_CASE_VERB_FM_REC, MAX_LEN(useCase,SND_USE_CASE_VERB_FM_REC)) || !strncmp(useCase, SND_USE_CASE_VERB_FM_A2DP_REC, MAX_LEN(useCase,SND_USE_CASE_VERB_FM_A2DP_REC)) || !strncmp(useCase, SND_USE_CASE_MOD_CAPTURE_MUSIC, MAX_LEN(useCase,SND_USE_CASE_MOD_CAPTURE_MUSIC)) || !strncmp(useCase, SND_USE_CASE_VERB_HIFI_LOWLATENCY_REC, MAX_LEN(useCase,SND_USE_CASE_VERB_HIFI_LOWLATENCY_REC)) || !strncmp(useCase, SND_USE_CASE_MOD_CAPTURE_LOWLATENCY_MUSIC, MAX_LEN(useCase,SND_USE_CASE_MOD_CAPTURE_LOWLATENCY_MUSIC)) || !strncmp(useCase, SND_USE_CASE_MOD_CAPTURE_FM, MAX_LEN(useCase,SND_USE_CASE_MOD_CAPTURE_FM)) || !strncmp(useCase, SND_USE_CASE_MOD_CAPTURE_A2DP_FM, MAX_LEN(useCase,SND_USE_CASE_MOD_CAPTURE_A2DP_FM))) { return CAP_TX; } else if (!strncmp(useCase, SND_USE_CASE_VERB_VOICECALL, MAX_LEN(useCase,SND_USE_CASE_VERB_VOICECALL)) || !strncmp(useCase, SND_USE_CASE_VERB_IP_VOICECALL, MAX_LEN(useCase,SND_USE_CASE_VERB_IP_VOICECALL)) || !strncmp(useCase, SND_USE_CASE_VERB_DL_REC, MAX_LEN(useCase,SND_USE_CASE_VERB_DL_REC)) || !strncmp(useCase, SND_USE_CASE_VERB_UL_DL_REC, MAX_LEN(useCase,SND_USE_CASE_VERB_UL_DL_REC)) || !strncmp(useCase, SND_USE_CASE_VERB_INCALL_REC, MAX_LEN(useCase,SND_USE_CASE_VERB_INCALL_REC)) || !strncmp(useCase, SND_USE_CASE_MOD_PLAY_VOICE, MAX_LEN(useCase,SND_USE_CASE_MOD_PLAY_VOICE)) || !strncmp(useCase, SND_USE_CASE_MOD_PLAY_VOIP, MAX_LEN(useCase,SND_USE_CASE_MOD_PLAY_VOIP)) || !strncmp(useCase, SND_USE_CASE_MOD_CAPTURE_VOICE_DL, MAX_LEN(useCase,SND_USE_CASE_MOD_CAPTURE_VOICE_DL)) || !strncmp(useCase, SND_USE_CASE_MOD_CAPTURE_VOICE_UL_DL, MAX_LEN(useCase,SND_USE_CASE_MOD_CAPTURE_VOICE_UL_DL)) || !strncmp(useCase, SND_USE_CASE_VERB_VOLTE, MAX_LEN(useCase,SND_USE_CASE_VERB_VOLTE)) || !strncmp(useCase, SND_USE_CASE_MOD_PLAY_VOLTE, MAX_LEN(useCase, SND_USE_CASE_MOD_PLAY_VOLTE))) { return CAP_VOICE; } else { ALOGE("unknown use case %s, returning voice capablity", useCase); return CAP_VOICE; } } /* Set/Reset mixer controls of specific use case for all current devices * uc_mgr - UCM structure pointer * ident - use case name (verb or modifier) * enable - 1 for enable and 0 for disable * return 0 on sucess, otherwise a negative error code */ static int set_controls_of_usecase_for_all_devices(snd_use_case_mgr_t *uc_mgr, const char *ident, int enable, int ctrl_list_type) { card_mctrl_t *dev_list, *uc_list; char *current_device, use_case[MAX_UC_LEN]; int list_size, index, uc_index, ret = 0, intdev_flag = 0; int verb_index, capability = 0, ident_cap = 0, dev_cap =0; ALOGV("set_use_case_ident_for_all_devices(): %s", ident); if ((verb_index = uc_mgr->card_ctxt_ptr->current_verb_index) < 0) verb_index = 0; dev_list = uc_mgr->card_ctxt_ptr->use_case_verb_list[verb_index].device_ctrls; if (ctrl_list_type == CTRL_LIST_VERB) { uc_list = uc_mgr->card_ctxt_ptr->use_case_verb_list[verb_index].verb_ctrls; } else if (ctrl_list_type == CTRL_LIST_MODIFIER) { uc_list = uc_mgr->card_ctxt_ptr->use_case_verb_list[verb_index].mod_ctrls; } else { uc_list = NULL; } ident_cap = getUseCaseType(ident); list_size = snd_ucm_get_size_of_list(uc_mgr->card_ctxt_ptr->dev_list_head); for (index = 0; index < list_size; index++) { current_device = snd_ucm_get_value_at_index(uc_mgr->card_ctxt_ptr->dev_list_head, index); if (current_device != NULL) { uc_index = get_use_case_index(uc_mgr, current_device, CTRL_LIST_DEVICE); dev_cap = dev_list[uc_index].capability; if (!capability) { capability = dev_list[uc_index].capability; } else if (capability != dev_list[uc_index].capability) { capability = CAP_VOICE; } if (ident_cap == CAP_VOICE || ident_cap == dev_cap) { if (enable) { if (!snd_ucm_get_status_at_index( uc_mgr->card_ctxt_ptr->dev_list_head, current_device)) { if (uc_index >= 0) { ALOGV("Applying mixer controls for device: %s", current_device); ret = snd_use_case_apply_mixer_controls(uc_mgr, current_device, enable, CTRL_LIST_DEVICE, uc_index); if (!ret) snd_ucm_set_status_at_index( uc_mgr->card_ctxt_ptr->dev_list_head, current_device, enable, dev_cap); } } else if (ident_cap == CAP_VOICE) { snd_use_case_apply_voice_acdb(uc_mgr, uc_index); } } strlcpy(use_case, ident, sizeof(use_case)); strlcat(use_case, current_device, sizeof(use_case)); ALOGV("Applying mixer controls for use case: %s", use_case); if ((uc_index = get_use_case_index(uc_mgr, use_case, ctrl_list_type)) < 0) { ALOGV("No valid use case found: %s", use_case); intdev_flag++; } else { if (capability == CAP_VOICE || ident_cap == CAP_VOICE || capability == ident_cap) { ret = snd_use_case_apply_mixer_controls(uc_mgr, use_case, enable, ctrl_list_type, uc_index); } } use_case[0] = 0; free(current_device); } } } if (intdev_flag) { if ((uc_index = get_use_case_index(uc_mgr, ident, ctrl_list_type)) < 0) { ALOGE("use case %s not valid without device combination", ident); } else { if (capability == CAP_VOICE || capability == ident_cap || ident_cap == CAP_VOICE) { snd_use_case_apply_mixer_controls(uc_mgr, ident, enable, ctrl_list_type, uc_index); } } } return ret; } /* Set/Reset mixer controls of specific use case for a specific device * uc_mgr - UCM structure pointer * ident - use case name (verb or modifier) * device - device for which use case needs to be set/reset * enable - 1 for enable and 0 for disable * return 0 on sucess, otherwise a negative error code */ static int set_controls_of_usecase_for_device(snd_use_case_mgr_t *uc_mgr, const char *ident, const char *device, int enable, int ctrl_list_type) { card_mctrl_t *dev_list; char use_case[MAX_UC_LEN]; int list_size, index, dev_index, uc_index, ret = 0; int verb_index, capability = 0; ALOGV("set_use_case_ident_for_device(): use case %s device %s", ident, device); if ((verb_index = uc_mgr->card_ctxt_ptr->current_verb_index) < 0) verb_index = 0; dev_list = uc_mgr->card_ctxt_ptr->use_case_verb_list[verb_index].device_ctrls; if (device != NULL) { if (enable) { dev_index = get_use_case_index(uc_mgr, device, CTRL_LIST_DEVICE); capability = dev_list[dev_index].capability; if (!snd_ucm_get_status_at_index( uc_mgr->card_ctxt_ptr->dev_list_head, device)) { ret = snd_use_case_apply_mixer_controls(uc_mgr, device, enable, CTRL_LIST_DEVICE, dev_index); if (!ret) snd_ucm_set_status_at_index( uc_mgr->card_ctxt_ptr->dev_list_head, device, enable, capability); } } strlcpy(use_case, ident, sizeof(use_case)); strlcat(use_case, device, sizeof(use_case)); ALOGV("Applying mixer controls for use case: %s", use_case); if ((uc_index = get_use_case_index(uc_mgr, use_case, ctrl_list_type)) < 0) { ALOGV("No valid use case found: %s", use_case ); uc_index = get_use_case_index(uc_mgr, ident, ctrl_list_type); if (snd_use_case_apply_mixer_controls(uc_mgr, ident, enable, ctrl_list_type, uc_index) < 0) { ALOGV("use case %s not valid without device combination also", ident); } } else { ret = snd_use_case_apply_mixer_controls(uc_mgr, use_case, enable, ctrl_list_type, uc_index); } } else { uc_index = get_use_case_index(uc_mgr, ident, ctrl_list_type); if (snd_use_case_apply_mixer_controls(uc_mgr, ident, enable, ctrl_list_type, uc_index) < 0) { ALOGV("use case %s not valid without device combination also", ident); } } return ret; } /* Set/Reset mixer controls of specific device for all use cases * uc_mgr - UCM structure pointer * device - device name * enable - 1 for enable and 0 for disable * return 0 on sucess, otherwise a negative error code */ static int set_controls_of_device_for_all_usecases(snd_use_case_mgr_t *uc_mgr, const char *device, int enable) { card_mctrl_t *dev_list, *uc_list; char *ident_value, use_case[MAX_UC_LEN]; int verb_index, uc_index, dev_index, capability = 0; int list_size, index = 0, ret = -ENODEV, flag = 0, intdev_flag = 0; ALOGV("set_controls_of_device_for_all_usecases: %s", device); if ((verb_index = uc_mgr->card_ctxt_ptr->current_verb_index) < 0) verb_index = 0; dev_list = uc_mgr->card_ctxt_ptr->use_case_verb_list[verb_index].device_ctrls; dev_index = get_use_case_index(uc_mgr, device, CTRL_LIST_DEVICE); if (dev_index >= 0) capability = dev_list[dev_index].capability; if (strncmp(uc_mgr->card_ctxt_ptr->current_verb, SND_USE_CASE_VERB_INACTIVE, strlen(SND_USE_CASE_VERB_INACTIVE))) { uc_list = uc_mgr->card_ctxt_ptr->use_case_verb_list[verb_index].verb_ctrls; if (capability == CAP_VOICE || capability == getUseCaseType(uc_mgr->card_ctxt_ptr->current_verb) || getUseCaseType(uc_mgr->card_ctxt_ptr->current_verb) == CAP_VOICE) { strlcpy(use_case, uc_mgr->card_ctxt_ptr->current_verb, sizeof(use_case)); strlcat(use_case, device, sizeof(use_case)); if ((uc_index = get_use_case_index(uc_mgr, use_case, CTRL_LIST_VERB)) < 0) { ALOGV("No valid use case found: %s", use_case); intdev_flag = 1; } else { if (enable) { if (!snd_ucm_get_status_at_index( uc_mgr->card_ctxt_ptr->dev_list_head, device)) { ret = snd_use_case_apply_mixer_controls(uc_mgr, device, enable, CTRL_LIST_DEVICE, dev_index); if (!ret) snd_ucm_set_status_at_index( uc_mgr->card_ctxt_ptr->dev_list_head, device, enable, capability); flag = 1; } } ALOGV("set %d for use case value: %s", enable, use_case); ret = snd_use_case_apply_mixer_controls(uc_mgr, use_case, enable, CTRL_LIST_VERB, uc_index); if (ret != 0) ALOGE("No valid controls exists for usecase %s and device \ %s, enable: %d", use_case, device, enable); } } if (intdev_flag) { if (enable && !flag) { if (!snd_ucm_get_status_at_index( uc_mgr->card_ctxt_ptr->dev_list_head, device)) { ret = snd_use_case_apply_mixer_controls(uc_mgr, device, enable, CTRL_LIST_DEVICE, dev_index); if (!ret) snd_ucm_set_status_at_index( uc_mgr->card_ctxt_ptr->dev_list_head, device, enable, capability); flag = 1; } } use_case[0] = 0; strlcpy(use_case, uc_mgr->card_ctxt_ptr->current_verb, sizeof(use_case)); uc_index = get_use_case_index(uc_mgr, use_case, CTRL_LIST_VERB); if (capability == CAP_VOICE || capability == getUseCaseType(uc_mgr->card_ctxt_ptr->current_verb) || getUseCaseType(uc_mgr->card_ctxt_ptr->current_verb) == CAP_VOICE) { ALOGV("set %d for use case value: %s", enable, use_case); ret = snd_use_case_apply_mixer_controls(uc_mgr, use_case, enable, CTRL_LIST_VERB, uc_index); if (ret != 0) ALOGE("No valid controls exists for usecase %s and \ device %s, enable: %d", use_case, device, enable); } intdev_flag = 0; } use_case[0] = 0; } snd_ucm_print_list(uc_mgr->card_ctxt_ptr->mod_list_head); uc_list = uc_mgr->card_ctxt_ptr->use_case_verb_list[verb_index].mod_ctrls; list_size = snd_ucm_get_size_of_list(uc_mgr->card_ctxt_ptr->mod_list_head); for (index = 0; index < list_size; index++) { if ((ident_value = snd_ucm_get_value_at_index(uc_mgr->card_ctxt_ptr->mod_list_head, index))) { if (capability == CAP_VOICE || getUseCaseType(ident_value) == CAP_VOICE || capability == getUseCaseType(ident_value)) { strlcpy(use_case, ident_value, sizeof(use_case)); strlcat(use_case, device, sizeof(use_case)); if ((uc_index = get_use_case_index(uc_mgr, use_case, CTRL_LIST_MODIFIER)) < 0) { ALOGV("No valid use case found: %s", use_case); intdev_flag = 1; } else { if (enable && !flag) { if (!snd_ucm_get_status_at_index( uc_mgr->card_ctxt_ptr->dev_list_head, device)) { ret = snd_use_case_apply_mixer_controls(uc_mgr, device, enable, CTRL_LIST_DEVICE, dev_index); if (!ret) snd_ucm_set_status_at_index( uc_mgr->card_ctxt_ptr->dev_list_head, device, enable, capability); flag = 1; } } ALOGV("set %d for use case value: %s", enable, use_case); ret = snd_use_case_apply_mixer_controls(uc_mgr, use_case, enable, CTRL_LIST_MODIFIER, uc_index); if (ret != 0) ALOGE("No valid controls exists for usecase %s and \ device %s, enable: %d", use_case, device, enable); } } if (intdev_flag) { if (enable && !flag) { if (!snd_ucm_get_status_at_index( uc_mgr->card_ctxt_ptr->dev_list_head, device)) { ret = snd_use_case_apply_mixer_controls(uc_mgr, device, enable, CTRL_LIST_DEVICE, dev_index); if (!ret) snd_ucm_set_status_at_index( uc_mgr->card_ctxt_ptr->dev_list_head, device, enable, capability); flag = 1; } } use_case[0] = 0; strlcpy(use_case, ident_value, sizeof(use_case)); uc_index = get_use_case_index(uc_mgr, ident_value, CTRL_LIST_MODIFIER); if (capability == CAP_VOICE || capability == getUseCaseType(ident_value) || getUseCaseType(ident_value) == CAP_VOICE) { ALOGV("set %d for use case value: %s", enable, use_case); ret = snd_use_case_apply_mixer_controls(uc_mgr, use_case, enable, CTRL_LIST_MODIFIER, uc_index); if (ret != 0) ALOGE("No valid controls exists for usecase %s and \ device %s, enable: %d", use_case, device, enable); } intdev_flag = 0; } use_case[0] = 0; free(ident_value); } } if (!enable) { ret = snd_use_case_apply_mixer_controls(uc_mgr, device, enable, CTRL_LIST_DEVICE, dev_index); if (!ret) snd_ucm_set_status_at_index(uc_mgr->card_ctxt_ptr->dev_list_head, device, enable, capability); } return ret; } /* Returns usecase type i.e. either verb or modifier * uc_mgr - UCM structure pointer * usecase - usecase name either verb or modifier * return CTRL_LIST_VERB or CTRL_LIST_MODIFIER for verb/modifier respectively */ static int get_usecase_type(snd_use_case_mgr_t *uc_mgr, const char *usecase) { int ret = -EINVAL, index = 0; while (strncmp(uc_mgr->card_ctxt_ptr->verb_list[index], SND_UCM_END_OF_LIST, strlen(SND_UCM_END_OF_LIST))) { if (!strncmp(uc_mgr->card_ctxt_ptr->verb_list[index], usecase, (strlen(usecase)+1))) { ret = 0; break; } index++; } if (ret == 0) return CTRL_LIST_VERB; else return CTRL_LIST_MODIFIER; } /* Set/Reset mixer controls of specific device and specific use cases * uc_mgr - UCM structure pointer * device - device name * usecase - use case for which device needs to be enabled * enable - 1 for enable and 0 for disable * return 0 on sucess, otherwise a negative error code */ static int set_controls_of_device_for_usecase(snd_use_case_mgr_t *uc_mgr, const char *device, const char *usecase, int enable) { card_mctrl_t *dev_list; char use_case[MAX_UC_LEN]; int ret = -ENODEV, uc_index, dev_index; int verb_index, capability = 0; ALOGV("set_device_for_ident(): %s %s", device, usecase); if ((verb_index = uc_mgr->card_ctxt_ptr->current_verb_index) < 0) verb_index = 0; dev_list = uc_mgr->card_ctxt_ptr->use_case_verb_list[verb_index].device_ctrls; dev_index = get_use_case_index(uc_mgr, device, CTRL_LIST_DEVICE); capability = dev_list[dev_index].capability; if (usecase != NULL) { strlcpy(use_case, usecase, sizeof(use_case)); strlcat(use_case, device, sizeof(use_case)); if ((uc_index = get_use_case_index(uc_mgr, use_case, get_usecase_type(uc_mgr, usecase))) < 0) { ALOGV("No valid use case found: %s", use_case); } else { if (enable) { if (!snd_ucm_get_status_at_index( uc_mgr->card_ctxt_ptr->dev_list_head, device)) { ret = snd_use_case_apply_mixer_controls(uc_mgr, device, enable, CTRL_LIST_DEVICE, dev_index); if (!ret) snd_ucm_set_status_at_index (uc_mgr->card_ctxt_ptr->dev_list_head, device, enable, capability); } } ALOGV("set %d for use case value: %s", enable, use_case); ret = snd_use_case_apply_mixer_controls(uc_mgr, use_case, enable, get_usecase_type(uc_mgr, usecase), uc_index); if (ret != 0) ALOGE("No valid controls exists for usecase %s and device %s, \ enable: %d", use_case, device, enable); } use_case[0] = 0; } else { if (enable) { if (!snd_ucm_get_status_at_index( uc_mgr->card_ctxt_ptr->dev_list_head, device)) { ret = snd_use_case_apply_mixer_controls(uc_mgr, device, enable, CTRL_LIST_DEVICE, dev_index); if (!ret) snd_ucm_set_status_at_index( uc_mgr->card_ctxt_ptr->dev_list_head, device, enable, capability); } } } if (!enable) { ret = snd_use_case_apply_mixer_controls(uc_mgr, device, enable, CTRL_LIST_DEVICE, dev_index); if (!ret) snd_ucm_set_status_at_index(uc_mgr->card_ctxt_ptr->dev_list_head, device, enable, capability); } return ret; } /** * Set new value for an identifier * uc_mgr - UCM structure * identifier - _verb, _enadev, _disdev, _enamod, _dismod * _swdev, _swmod * value - Value to be set * returns 0 on success, otherwise a negative error code */ int snd_use_case_set(snd_use_case_mgr_t *uc_mgr, const char *identifier, const char *value) { use_case_verb_t *verb_list; char ident[MAX_STR_LEN], *ident1, *ident2, *temp_ptr; int verb_index, list_size, index = 0, ret = -EINVAL; pthread_mutex_lock(&uc_mgr->card_ctxt_ptr->card_lock); if ((uc_mgr->snd_card_index >= (int)MAX_NUM_CARDS) || (value == NULL) || (uc_mgr->snd_card_index < 0) || (uc_mgr->card_ctxt_ptr == NULL) || (identifier == NULL)) { ALOGE("snd_use_case_set(): failed, invalid arguments"); pthread_mutex_unlock(&uc_mgr->card_ctxt_ptr->card_lock); return -EINVAL; } ALOGD("snd_use_case_set(): uc_mgr %p identifier %s value %s", uc_mgr, identifier, value); strlcpy(ident, identifier, sizeof(ident)); if(!(ident1 = strtok_r(ident, "/", &temp_ptr))) { ALOGV("No multiple identifiers found in identifier value"); ident[0] = 0; } else { if (!strncmp(ident1, "_swdev", 6)) { if(!(ident2 = strtok_r(NULL, "/", &temp_ptr))) { ALOGD("Invalid disable device value: %s, but enabling new \ device", ident2); } else { ret = snd_ucm_del_ident_from_list( &uc_mgr->card_ctxt_ptr->dev_list_head, ident2); if (ret < 0) { ALOGV("Ignore device %s disable, device not part of \ enabled list", ident2); } else { ALOGV("swdev: device value to be disabled: %s", ident2); /* Disable mixer controls for * corresponding use cases and device */ ret = set_controls_of_device_for_all_usecases(uc_mgr, ident2, 0); if (ret < 0) { ALOGV("Device %s not disabled, no valid use case \ found: %d", ident2, errno); } } } pthread_mutex_unlock(&uc_mgr->card_ctxt_ptr->card_lock); ret = snd_use_case_set(uc_mgr, "_enadev", value); if (ret < 0) { ALOGV("Device %s not enabled, no valid use case found: %d", value, errno); } return ret; } else if (!strncmp(ident1, "_swmod", 6)) { pthread_mutex_unlock(&uc_mgr->card_ctxt_ptr->card_lock); if(!(ident2 = strtok_r(NULL, "/", &temp_ptr))) { ALOGD("Invalid modifier value: %s, but enabling new modifier", ident2); } else { ret = snd_use_case_set(uc_mgr, "_dismod", ident2); if (ret < 0) { ALOGV("Modifier %s not disabled, no valid use case \ found: %d", ident2, errno); } } ret = snd_use_case_set(uc_mgr, "_enamod", value); if (ret < 0) { ALOGV("Modifier %s not enabled, no valid use case found: %d", value, errno); } return ret; } else { ALOGV("No switch device/modifier option found: %s", ident1); } ident[0] = 0; } if (!strncmp(identifier, "_verb", 5)) { /* Check if value is valid verb */ while (strncmp(uc_mgr->card_ctxt_ptr->verb_list[index], SND_UCM_END_OF_LIST, strlen(SND_UCM_END_OF_LIST))) { if (!strncmp(uc_mgr->card_ctxt_ptr->verb_list[index], value, (strlen(value)+1))) { ret = 0; break; } index++; } if ((ret < 0) && (strncmp(value, SND_USE_CASE_VERB_INACTIVE, strlen(SND_USE_CASE_VERB_INACTIVE)))) { ALOGE("Invalid verb identifier value"); } else { ALOGV("Index:%d Verb:%s", index, uc_mgr->card_ctxt_ptr->verb_list[index]); /* Disable the mixer controls for current use case * for all the enabled devices */ if (strncmp(uc_mgr->card_ctxt_ptr->current_verb, SND_USE_CASE_VERB_INACTIVE, strlen(SND_USE_CASE_VERB_INACTIVE))) { ret = set_controls_of_usecase_for_all_devices(uc_mgr, uc_mgr->card_ctxt_ptr->current_verb, 0, CTRL_LIST_VERB); if (ret != 0) ALOGE("Failed to disable controls for use case: %s", uc_mgr->card_ctxt_ptr->current_verb); } strlcpy(uc_mgr->card_ctxt_ptr->current_verb, value, MAX_STR_LEN); /* Enable the mixer controls for the new use case * for all the enabled devices */ if (strncmp(uc_mgr->card_ctxt_ptr->current_verb, SND_USE_CASE_VERB_INACTIVE, strlen(SND_USE_CASE_VERB_INACTIVE))) { uc_mgr->card_ctxt_ptr->current_verb_index = index; ret = set_controls_of_usecase_for_all_devices(uc_mgr, uc_mgr->card_ctxt_ptr->current_verb, 1, CTRL_LIST_VERB); } } } else if (!strncmp(identifier, "_enadev", 7)) { index = 0; ret = 0; list_size = snd_ucm_get_size_of_list(uc_mgr->card_ctxt_ptr->dev_list_head); for (index = 0; index < list_size; index++) { if ((ident1 = snd_ucm_get_value_at_index(uc_mgr->card_ctxt_ptr->dev_list_head, index))) { if (!strncmp(ident1, value, (strlen(value)+1))) { ALOGV("Ignore enable as %s device is already part of \ enabled list", value); free(ident1); break; } free(ident1); } } if (index == list_size) { ALOGV("enadev: device value to be enabled: %s", value); snd_ucm_add_ident_to_list(&uc_mgr->card_ctxt_ptr->dev_list_head, value); } snd_ucm_print_list(uc_mgr->card_ctxt_ptr->dev_list_head); /* Apply Mixer controls of all verb and modifiers for this device*/ ret = set_controls_of_device_for_all_usecases(uc_mgr, value, 1); } else if (!strncmp(identifier, "_disdev", 7)) { ret = snd_ucm_get_status_at_index(uc_mgr->card_ctxt_ptr->dev_list_head, value); if (ret < 0) { ALOGD("disdev: device %s not enabled, no need to disable", value); } else if (ret == 0) { ALOGV("disdev: device %s not active, remove from the list", value); ret = snd_ucm_del_ident_from_list(&uc_mgr->card_ctxt_ptr->dev_list_head, value); if (ret < 0) { ALOGE("Invalid device: Device not part of enabled device list"); } } else { ret = snd_ucm_del_ident_from_list(&uc_mgr->card_ctxt_ptr->dev_list_head, value); if (ret < 0) { ALOGE("Invalid device: Device not part of enabled device list"); } else { ALOGV("disdev: device value to be disabled: %s", value); index = get_use_case_index(uc_mgr, value, CTRL_LIST_DEVICE); /* Apply Mixer controls for corresponding device and modifier */ ret = snd_use_case_apply_mixer_controls(uc_mgr, value, 0, CTRL_LIST_DEVICE, index); } } } else if (!strncmp(identifier, "_enamod", 7)) { index = 0; ret = 0; verb_index = uc_mgr->card_ctxt_ptr->current_verb_index; if (verb_index < 0) { ALOGE("Invalid verb identifier value"); } else { ALOGV("Index:%d Verb:%s", verb_index, uc_mgr->card_ctxt_ptr->verb_list[verb_index]); verb_list = uc_mgr->card_ctxt_ptr->use_case_verb_list; while(strncmp(verb_list[verb_index].modifier_list[index], value, (strlen(value)+1))) { if (!strncmp(verb_list[verb_index].modifier_list[index], SND_UCM_END_OF_LIST, strlen(SND_UCM_END_OF_LIST))){ ret = -EINVAL; break; } index++; } if (ret < 0) { ALOGE("Invalid modifier identifier value"); } else { snd_ucm_add_ident_to_list(&uc_mgr->card_ctxt_ptr->mod_list_head, value); /* Enable the mixer controls for the new use case * for all the enabled devices */ ret = set_controls_of_usecase_for_all_devices(uc_mgr, value, 1, CTRL_LIST_MODIFIER); } } } else if (!strncmp(identifier, "_dismod", 7)) { ret = snd_ucm_del_ident_from_list(&uc_mgr->card_ctxt_ptr->mod_list_head, value); if (ret < 0) { ALOGE("Modifier not enabled currently, invalid modifier"); } else { ALOGV("dismod: modifier value to be disabled: %s", value); /* Enable the mixer controls for the new use case * for all the enabled devices */ ret = set_controls_of_usecase_for_all_devices(uc_mgr, value, 0, CTRL_LIST_MODIFIER); } } else { ALOGE("Unknown identifier value: %s", identifier); } pthread_mutex_unlock(&uc_mgr->card_ctxt_ptr->card_lock); return ret; } /** * Set new value for an identifier based on use case * uc_mgr - UCM structure * identifier - _verb, _enadev, _disdev, _enamod, _dismod * _swdev, _swmod * value - Value to be set * usecase - usecase/device for which this command needs to be executed * returns 0 on success, otherwise a negative error code */ int snd_use_case_set_case(snd_use_case_mgr_t *uc_mgr, const char *identifier, const char *value, const char *usecase) { use_case_verb_t *verb_list; char ident[MAX_STR_LEN], *ident1, *ident2, *temp_ptr; int verb_index, list_size, index = 0, ret = -EINVAL; pthread_mutex_lock(&uc_mgr->card_ctxt_ptr->card_lock); if ((uc_mgr->snd_card_index >= (int)MAX_NUM_CARDS) || (value == NULL) || (uc_mgr->snd_card_index < 0) || (uc_mgr->card_ctxt_ptr == NULL) || (identifier == NULL)) { ALOGE("snd_use_case_set_case(): failed, invalid arguments"); pthread_mutex_unlock(&uc_mgr->card_ctxt_ptr->card_lock); return -EINVAL; } ALOGD("snd_use_case_set_case(): uc_mgr %p identifier %s value %s", uc_mgr, identifier, value); strlcpy(ident, identifier, sizeof(ident)); if(!(ident1 = strtok_r(ident, "/", &temp_ptr))) { ALOGV("No multiple identifiers found in identifier value"); ident[0] = 0; } else { if (!strncmp(ident1, "_swdev", 6)) { if(!(ident2 = strtok_r(NULL, "/", &temp_ptr))) { ALOGD("Invalid disable device value: %s, but enabling new \ device", ident2); } else { ret = snd_ucm_del_ident_from_list( &uc_mgr->card_ctxt_ptr->dev_list_head, ident2); if (ret < 0) { ALOGV("Ignore device %s disable, device not part of \ enabled list", ident2); } else { ALOGV("swdev: device value to be disabled: %s", ident2); /* Disable mixer controls for * corresponding use cases and device */ ret = set_controls_of_device_for_usecase(uc_mgr, ident2, usecase, 0); if (ret < 0) { ALOGV("Device %s not disabled, no valid use case \ found: %d", ident2, errno); } } } pthread_mutex_unlock(&uc_mgr->card_ctxt_ptr->card_lock); ret = snd_use_case_set_case(uc_mgr, "_enadev", value, usecase); if (ret < 0) { ALOGV("Device %s not enabled, no valid use case found: %d", value, errno); } return ret; } else if (!strncmp(ident1, "_swmod", 6)) { pthread_mutex_unlock(&uc_mgr->card_ctxt_ptr->card_lock); if(!(ident2 = strtok_r(NULL, "/", &temp_ptr))) { ALOGD("Invalid modifier value: %s, but enabling new modifier", ident2); } else { ret = snd_use_case_set_case(uc_mgr, "_dismod", ident2, usecase); if (ret < 0) { ALOGV("Modifier %s not disabled, no valid use case \ found: %d", ident2, errno); } } ret = snd_use_case_set_case(uc_mgr, "_enamod", value, usecase); if (ret < 0) { ALOGV("Modifier %s not enabled, no valid use case found: %d", value, errno); } return ret; } else { ALOGV("No switch device/modifier option found: %s", ident1); } ident[0] = 0; } if (!strncmp(identifier, "_verb", 5)) { /* Check if value is valid verb */ while (strncmp(uc_mgr->card_ctxt_ptr->verb_list[index], SND_UCM_END_OF_LIST, MAX_STR_LEN)) { if (!strncmp(uc_mgr->card_ctxt_ptr->verb_list[index], value, MAX_STR_LEN)) { ret = 0; break; } index++; } if ((ret < 0) && (strncmp(value, SND_USE_CASE_VERB_INACTIVE, MAX_STR_LEN))) { ALOGE("Invalid verb identifier value"); } else { ALOGV("Index:%d Verb:%s", index, uc_mgr->card_ctxt_ptr->verb_list[index]); /* Disable the mixer controls for current use case * for specified device */ if (strncmp(uc_mgr->card_ctxt_ptr->current_verb, SND_USE_CASE_VERB_INACTIVE, MAX_STR_LEN)) { ret = set_controls_of_usecase_for_device(uc_mgr, uc_mgr->card_ctxt_ptr->current_verb, usecase, 0, CTRL_LIST_VERB); if (ret != 0) ALOGE("Failed to disable controls for use case: %s", uc_mgr->card_ctxt_ptr->current_verb); } strlcpy(uc_mgr->card_ctxt_ptr->current_verb, value, MAX_STR_LEN); /* Enable the mixer controls for the new use case * for specified device */ if (strncmp(uc_mgr->card_ctxt_ptr->current_verb, SND_USE_CASE_VERB_INACTIVE, MAX_STR_LEN)) { uc_mgr->card_ctxt_ptr->current_verb_index = index; index = 0; list_size = snd_ucm_get_size_of_list(uc_mgr->card_ctxt_ptr->dev_list_head); for (index = 0; index < list_size; index++) { if ((ident1 = snd_ucm_get_value_at_index( uc_mgr->card_ctxt_ptr->dev_list_head, index))) { if (!strncmp(ident1, usecase, MAX_STR_LEN)) { ALOGV("Device already part of enabled list: %s", usecase); free(ident1); break; } free(ident1); } } if (index == list_size) { ALOGV("enadev: device value to be enabled: %s", usecase); snd_ucm_add_ident_to_list(&uc_mgr->card_ctxt_ptr->dev_list_head, usecase); } ret = set_controls_of_usecase_for_device(uc_mgr, uc_mgr->card_ctxt_ptr->current_verb, usecase, 1, CTRL_LIST_VERB); } } } else if (!strncmp(identifier, "_enadev", 7)) { index = 0; ret = 0; list_size = snd_ucm_get_size_of_list(uc_mgr->card_ctxt_ptr->dev_list_head); for (index = 0; index < list_size; index++) { if ((ident1 = snd_ucm_get_value_at_index(uc_mgr->card_ctxt_ptr->dev_list_head, index))) { if (!strncmp(ident1, value, MAX_STR_LEN)) { ALOGV("Device already part of enabled list: %s", value); free(ident1); break; } free(ident1); } } if (index == list_size) { ALOGV("enadev: device value to be enabled: %s", value); snd_ucm_add_ident_to_list(&uc_mgr->card_ctxt_ptr->dev_list_head, value); } snd_ucm_print_list(uc_mgr->card_ctxt_ptr->dev_list_head); /* Apply Mixer controls of usecase for this device*/ ret = set_controls_of_device_for_usecase(uc_mgr, value, usecase, 1); } else if (!strncmp(identifier, "_disdev", 7)) { ret = snd_ucm_get_status_at_index(uc_mgr->card_ctxt_ptr->dev_list_head, value); if (ret < 0) { ALOGD("disdev: device %s not enabled, no need to disable", value); } else if (ret == 0) { ALOGV("disdev: device %s not active, remove from the list", value); ret = snd_ucm_del_ident_from_list(&uc_mgr->card_ctxt_ptr->dev_list_head, value); if (ret < 0) { ALOGE("Invalid device: Device not part of enabled device list"); } } else { ret = snd_ucm_del_ident_from_list(&uc_mgr->card_ctxt_ptr->dev_list_head, value); if (ret < 0) { ALOGE("Invalid device: Device not part of enabled device list"); } else { ALOGV("disdev: device value to be disabled: %s", value); /* Apply Mixer controls of usecase for this device*/ ret = set_controls_of_device_for_usecase(uc_mgr, value, usecase, 0); } } } else if (!strncmp(identifier, "_enamod", 7)) { if (!strncmp(uc_mgr->card_ctxt_ptr->current_verb, SND_USE_CASE_VERB_INACTIVE, MAX_STR_LEN)) { ALOGE("Invalid use case verb value"); ret = -EINVAL; } else { ret = 0; while(strncmp(uc_mgr->card_ctxt_ptr->verb_list[index], uc_mgr->card_ctxt_ptr->current_verb, MAX_STR_LEN)) { if (!strncmp(uc_mgr->card_ctxt_ptr->verb_list[index], SND_UCM_END_OF_LIST, MAX_STR_LEN)){ ret = -EINVAL; break; } index++; } } if (ret < 0) { ALOGE("Invalid verb identifier value"); } else { verb_index = index; index = 0; ret = 0; verb_list = uc_mgr->card_ctxt_ptr->use_case_verb_list; ALOGV("Index:%d Verb:%s", verb_index, uc_mgr->card_ctxt_ptr->verb_list[verb_index]); while(strncmp(verb_list[verb_index].modifier_list[index], value, MAX_STR_LEN)) { if (!strncmp(verb_list[verb_index].modifier_list[index], SND_UCM_END_OF_LIST, MAX_STR_LEN)){ ret = -EINVAL; break; } index++; } if (ret < 0) { ALOGE("Invalid modifier identifier value"); } else { index = 0; list_size = snd_ucm_get_size_of_list(uc_mgr->card_ctxt_ptr->dev_list_head); for (index = 0; index < list_size; index++) { if ((ident1 = snd_ucm_get_value_at_index( uc_mgr->card_ctxt_ptr->dev_list_head, index))) { if (!strncmp(ident1, usecase, MAX_STR_LEN)) { ALOGV("Device already part of enabled list: %s", usecase); free(ident1); break; } free(ident1); } } if (index == list_size) { ALOGV("enadev: device value to be enabled: %s", usecase); snd_ucm_add_ident_to_list(&uc_mgr->card_ctxt_ptr->dev_list_head, usecase); } snd_ucm_add_ident_to_list(&uc_mgr->card_ctxt_ptr->mod_list_head, value); /* Enable the mixer controls for the new use case * for all the enabled devices */ ret = set_controls_of_usecase_for_device(uc_mgr, value, usecase, 1, CTRL_LIST_MODIFIER); } } } else if (!strncmp(identifier, "_dismod", 7)) { ret = snd_ucm_del_ident_from_list(&uc_mgr->card_ctxt_ptr->mod_list_head, value); if (ret < 0) { ALOGE("Modifier not enabled currently, invalid modifier"); } else { ALOGV("dismod: modifier value to be disabled: %s", value); /* Enable the mixer controls for the new use case * for all the enabled devices */ ret = set_controls_of_usecase_for_device(uc_mgr, value, usecase, 0, CTRL_LIST_MODIFIER); } } else { ALOGE("Unknown identifier value: %s", identifier); } pthread_mutex_unlock(&uc_mgr->card_ctxt_ptr->card_lock); return ret; } /** * Open and initialise use case core for sound card * uc_mgr - Returned use case manager pointer * card_name - Sound card name. * returns 0 on success, otherwise a negative error code */ int snd_use_case_mgr_open(snd_use_case_mgr_t **uc_mgr, const char *card_name) { snd_use_case_mgr_t *uc_mgr_ptr = NULL; int index, ret = -EINVAL; char tmp[2]; ALOGV("snd_use_case_open(): card_name %s", card_name); if (card_name == NULL) { ALOGE("snd_use_case_mgr_open: failed, invalid arguments"); return ret; } for (index = 0; index < (int)MAX_NUM_CARDS; index++) { if(!strncmp(card_name, card_mapping_list[index].card_name, (strlen(card_mapping_list[index].card_name)+1))) { ret = 0; break; } } if (ret < 0) { ALOGE("Card %s not found", card_name); } else { uc_mgr_ptr = (snd_use_case_mgr_t *)calloc(1, sizeof(snd_use_case_mgr_t)); if (uc_mgr_ptr == NULL) { ALOGE("Failed to allocate memory for instance"); return -ENOMEM; } uc_mgr_ptr->snd_card_index = index; uc_mgr_ptr->card_ctxt_ptr = (card_ctxt_t *)calloc(1, sizeof(card_ctxt_t)); if (uc_mgr_ptr->card_ctxt_ptr == NULL) { ALOGE("Failed to allocate memory for card context"); free(uc_mgr_ptr); uc_mgr_ptr = NULL; return -ENOMEM; } uc_mgr_ptr->card_ctxt_ptr->card_number = card_mapping_list[index].card_number; uc_mgr_ptr->card_ctxt_ptr->card_name = (char *)malloc((strlen(card_name)+1)*sizeof(char)); if (uc_mgr_ptr->card_ctxt_ptr->card_name == NULL) { ALOGE("Failed to allocate memory for card name"); free(uc_mgr_ptr->card_ctxt_ptr); free(uc_mgr_ptr); uc_mgr_ptr = NULL; return -ENOMEM; } strlcpy(uc_mgr_ptr->card_ctxt_ptr->card_name, card_name, ((strlen(card_name)+1)*sizeof(char))); uc_mgr_ptr->card_ctxt_ptr->control_device = (char *)malloc((strlen("/dev/snd/controlC")+2)*sizeof(char)); if (uc_mgr_ptr->card_ctxt_ptr->control_device == NULL) { ALOGE("Failed to allocate memory for control device string"); free(uc_mgr_ptr->card_ctxt_ptr->card_name); free(uc_mgr_ptr->card_ctxt_ptr); free(uc_mgr_ptr); uc_mgr_ptr = NULL; return -ENOMEM; } strlcpy(uc_mgr_ptr->card_ctxt_ptr->control_device, "/dev/snd/controlC", 18); snprintf(tmp, sizeof(tmp), "%d", uc_mgr_ptr->card_ctxt_ptr->card_number); strlcat(uc_mgr_ptr->card_ctxt_ptr->control_device, tmp, (strlen("/dev/snd/controlC")+2)*sizeof(char)); uc_mgr_ptr->device_list_count = 0; uc_mgr_ptr->modifier_list_count = 0; uc_mgr_ptr->current_device_list = NULL; uc_mgr_ptr->current_modifier_list = NULL; uc_mgr_ptr->current_tx_device = -1; uc_mgr_ptr->current_rx_device = -1; pthread_mutexattr_init(&uc_mgr_ptr->card_ctxt_ptr->card_lock_attr); pthread_mutex_init(&uc_mgr_ptr->card_ctxt_ptr->card_lock, &uc_mgr_ptr->card_ctxt_ptr->card_lock_attr); strlcpy(uc_mgr_ptr->card_ctxt_ptr->current_verb, SND_USE_CASE_VERB_INACTIVE, MAX_STR_LEN); /* Reset all mixer controls if any applied * previously for the same card */ snd_use_case_mgr_reset(uc_mgr_ptr); uc_mgr_ptr->card_ctxt_ptr->current_verb_index = -1; /* Parse config files and update mixer controls */ ret = snd_ucm_parse(&uc_mgr_ptr); if(ret < 0) { ALOGE("Failed to parse config files: %d", ret); snd_ucm_free_mixer_list(&uc_mgr_ptr); } ALOGV("Open mixer device: %s", uc_mgr_ptr->card_ctxt_ptr->control_device); uc_mgr_ptr->card_ctxt_ptr->mixer_handle = mixer_open(uc_mgr_ptr->card_ctxt_ptr->control_device); ALOGV("Mixer handle %p", uc_mgr_ptr->card_ctxt_ptr->mixer_handle); *uc_mgr = uc_mgr_ptr; } ALOGV("snd_use_case_open(): returning instance %p", uc_mgr_ptr); return ret; } /** * \brief Reload and re-parse use case configuration files for sound card. * \param uc_mgr Use case manager * \return zero if success, otherwise a negative error code */ int snd_use_case_mgr_reload(snd_use_case_mgr_t *uc_mgr) { ALOGE("Reload is not implemented for now as there is no use case currently"); return 0; } /** * \brief Close use case manager * \param uc_mgr Use case manager * \return zero if success, otherwise a negative error code */ int snd_use_case_mgr_close(snd_use_case_mgr_t *uc_mgr) { int ret = 0; if ((uc_mgr->snd_card_index >= (int)MAX_NUM_CARDS) || (uc_mgr->snd_card_index < 0) || (uc_mgr->card_ctxt_ptr == NULL)) { ALOGE("snd_use_case_mgr_close(): failed, invalid arguments"); return -EINVAL; } ALOGV("snd_use_case_close(): instance %p", uc_mgr); ret = snd_use_case_mgr_reset(uc_mgr); if (ret < 0) ALOGE("Failed to reset ucm session"); snd_ucm_free_mixer_list(&uc_mgr); pthread_mutexattr_destroy(&uc_mgr->card_ctxt_ptr->card_lock_attr); pthread_mutex_destroy(&uc_mgr->card_ctxt_ptr->card_lock); if (uc_mgr->card_ctxt_ptr->mixer_handle) { mixer_close(uc_mgr->card_ctxt_ptr->mixer_handle); uc_mgr->card_ctxt_ptr->mixer_handle = NULL; } uc_mgr->snd_card_index = -1; uc_mgr->current_tx_device = -1; uc_mgr->current_rx_device = -1; free(uc_mgr->card_ctxt_ptr->control_device); free(uc_mgr->card_ctxt_ptr->card_name); free(uc_mgr->card_ctxt_ptr); uc_mgr->card_ctxt_ptr = NULL; free(uc_mgr); uc_mgr = NULL; ALOGV("snd_use_case_mgr_close(): card instace closed successfully"); return ret; } /** * \brief Reset use case manager verb, device, modifier to deafult settings. * \param uc_mgr Use case manager * \return zero if success, otherwise a negative error code */ int snd_use_case_mgr_reset(snd_use_case_mgr_t *uc_mgr) { char *ident_value; int index, list_size, ret = 0; ALOGV("snd_use_case_reset(): instance %p", uc_mgr); pthread_mutex_lock(&uc_mgr->card_ctxt_ptr->card_lock); if ((uc_mgr->snd_card_index >= (int)MAX_NUM_CARDS) || (uc_mgr->snd_card_index < 0) || (uc_mgr->card_ctxt_ptr == NULL)) { ALOGE("snd_use_case_mgr_reset(): failed, invalid arguments"); pthread_mutex_unlock(&uc_mgr->card_ctxt_ptr->card_lock); return -EINVAL; } /* Disable mixer controls of all the enabled modifiers */ list_size = snd_ucm_get_size_of_list(uc_mgr->card_ctxt_ptr->mod_list_head); for (index = (list_size-1); index >= 0; index--) { if ((ident_value = snd_ucm_get_value_at_index(uc_mgr->card_ctxt_ptr->mod_list_head, index))) { snd_ucm_del_ident_from_list(&uc_mgr->card_ctxt_ptr->mod_list_head, ident_value); ret = set_controls_of_usecase_for_all_devices(uc_mgr, ident_value, 0, CTRL_LIST_MODIFIER); if (ret != 0) ALOGE("Failed to disable mixer controls for %s", ident_value); free(ident_value); } } /* Clear the enabled modifiers list */ if (uc_mgr->modifier_list_count) { for (index = 0; index < uc_mgr->modifier_list_count; index++) { free(uc_mgr->current_modifier_list[index]); uc_mgr->current_modifier_list[index] = NULL; } free(uc_mgr->current_modifier_list); uc_mgr->current_modifier_list = NULL; uc_mgr->modifier_list_count = 0; } /* Disable mixer controls of current use case verb */ if(strncmp(uc_mgr->card_ctxt_ptr->current_verb, SND_USE_CASE_VERB_INACTIVE, strlen(SND_USE_CASE_VERB_INACTIVE))) { ret = set_controls_of_usecase_for_all_devices(uc_mgr, uc_mgr->card_ctxt_ptr->current_verb, 0, CTRL_LIST_VERB); if (ret != 0) ALOGE("Failed to disable mixer controls for %s", uc_mgr->card_ctxt_ptr->current_verb); strlcpy(uc_mgr->card_ctxt_ptr->current_verb, SND_USE_CASE_VERB_INACTIVE, MAX_STR_LEN); } /* Disable mixer controls of all the enabled devices */ list_size = snd_ucm_get_size_of_list(uc_mgr->card_ctxt_ptr->dev_list_head); for (index = (list_size-1); index >= 0; index--) { if ((ident_value = snd_ucm_get_value_at_index(uc_mgr->card_ctxt_ptr->dev_list_head, index))) { snd_ucm_del_ident_from_list(&uc_mgr->card_ctxt_ptr->dev_list_head, ident_value); ret = set_controls_of_device_for_all_usecases(uc_mgr, ident_value, 0); if (ret != 0) ALOGE("Failed to disable or no mixer controls set for %s", ident_value); free(ident_value); } } /* Clear the enabled devices list */ if (uc_mgr->device_list_count) { for (index = 0; index < uc_mgr->device_list_count; index++) { free(uc_mgr->current_device_list[index]); uc_mgr->current_device_list[index] = NULL; } free(uc_mgr->current_device_list); uc_mgr->current_device_list = NULL; uc_mgr->device_list_count = 0; } uc_mgr->current_tx_device = -1; uc_mgr->current_rx_device = -1; pthread_mutex_unlock(&uc_mgr->card_ctxt_ptr->card_lock); return ret; } /* 2nd stage parsing done in seperate thread */ void *second_stage_parsing_thread(void *uc_mgr_ptr) { use_case_verb_t *verb_list; char path[200]; struct stat st; int fd, index = 0, ret = 0, rc = 0; char *read_buf = NULL, *next_str = NULL, *current_str = NULL, *buf = NULL; char *p = NULL, *verb_name = NULL, *file_name = NULL, *temp_ptr = NULL; snd_use_case_mgr_t **uc_mgr = (snd_use_case_mgr_t **)&uc_mgr_ptr; strlcpy(path, CONFIG_DIR, (strlen(CONFIG_DIR)+1)); strlcat(path, (*uc_mgr)->card_ctxt_ptr->card_name, sizeof(path)); ALOGV("master config file path:%s", path); fd = open(path, O_RDONLY); if (fd < 0) { ALOGE("failed to open config file %s error %d\n", path, errno); return NULL; } if (fstat(fd, &st) < 0) { ALOGE("failed to stat %s error %d\n", path, errno); close(fd); return NULL; } read_buf = (char *) mmap(0, st.st_size, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0); if (read_buf == MAP_FAILED) { ALOGE("failed to mmap file error %d\n", errno); close(fd); return NULL; } current_str = read_buf; verb_name = NULL; while (*current_str != (char)EOF) { next_str = strchr(current_str, '\n'); if (!next_str) break; *next_str++ = '\0'; if (verb_name == NULL) { buf = strstr(current_str, "SectionUseCase"); if (buf == NULL) { if((current_str = next_str) == NULL) break; else continue; } /* Ignore parsing first use case (HiFi) as it is already parsed * in 1st stage of parsing */ if (index == 0) { index++; if((current_str = next_str) == NULL) break; else continue; } p = strtok_r(buf, ".", &temp_ptr); while (p != NULL) { p = strtok_r(NULL, "\"", &temp_ptr); if (p == NULL) break; verb_name = (char *)malloc((strlen(p)+1)*sizeof(char)); if(verb_name == NULL) { ret = -ENOMEM; break; } strlcpy(verb_name, p, (strlen(p)+1)*sizeof(char)); break; } } else { buf = strstr(current_str, "File"); if (buf == NULL) { if((current_str = next_str) == NULL) break; else continue; } p = strtok_r(buf, "\"", &temp_ptr); while (p != NULL) { p = strtok_r(NULL, "\"", &temp_ptr); if (p == NULL) break; file_name = (char *)malloc((strlen(p)+1)*sizeof(char)); if(file_name == NULL) { ret = -ENOMEM; break; } strlcpy(file_name, p, (strlen(p)+1)*sizeof(char)); break; } verb_list = (*uc_mgr)->card_ctxt_ptr->use_case_verb_list; if (file_name != NULL) { ret = snd_ucm_parse_verb(uc_mgr, file_name, index); verb_list[index].use_case_name = (char *)malloc((strlen(verb_name)+1)*sizeof(char)); strlcpy(verb_list[index].use_case_name, verb_name, ((strlen(verb_name)+1)*sizeof(char))); /* Verb list might have been appended with END OF LIST in * 1st stage parsing. Delete this entry so that new verbs * are appended from here and END OF LIST will be added * again at the end of 2nd stage parsing */ if((*uc_mgr)->card_ctxt_ptr->verb_list[index]) { free((*uc_mgr)->card_ctxt_ptr->verb_list[index]); (*uc_mgr)->card_ctxt_ptr->verb_list[index] = NULL; } (*uc_mgr)->card_ctxt_ptr->verb_list[index] = (char *)malloc((strlen(verb_name)+1)*sizeof(char)); strlcpy((*uc_mgr)->card_ctxt_ptr->verb_list[index], verb_name, ((strlen(verb_name)+1)*sizeof(char))); free(verb_name); verb_name = NULL; free(file_name); file_name = NULL; } index++; (*uc_mgr)->card_ctxt_ptr->verb_list[index] = (char *)malloc((strlen(SND_UCM_END_OF_LIST)+1)*sizeof(char)); strlcpy((*uc_mgr)->card_ctxt_ptr->verb_list[index], SND_UCM_END_OF_LIST, ((strlen(SND_UCM_END_OF_LIST)+1)*sizeof(char))); } if((current_str = next_str) == NULL) break; } if (verb_name != NULL) { free(verb_name); verb_name = NULL; } if (file_name != NULL) { free(file_name); file_name = NULL; } munmap(read_buf, st.st_size); close(fd); #if PARSE_DEBUG /* Prints use cases and mixer controls parsed from config files */ snd_ucm_print((*uc_mgr)); #endif if(ret < 0) ALOGE("Failed to parse config files: %d", ret); ALOGE("Exiting parsing thread uc_mgr %p\n", uc_mgr); return NULL; } /* Function can be used by UCM clients to wait until parsing completes * uc_mgr - use case manager structure * Returns 0 on success, error number otherwise */ int snd_use_case_mgr_wait_for_parsing(snd_use_case_mgr_t *uc_mgr) { int ret; ret = pthread_join(uc_mgr->thr, NULL); return ret; } /* Parse config files and update mixer controls for the use cases * 1st stage parsing done to parse HiFi config file * uc_mgr - use case manager structure * Returns 0 on sucess, negative error code otherwise */ static int snd_ucm_parse(snd_use_case_mgr_t **uc_mgr) { use_case_verb_t *verb_list; struct stat st; int fd, verb_count, index = 0, ret = 0, rc; char *read_buf, *next_str, *current_str, *buf, *p, *verb_name; char *file_name = NULL, *temp_ptr; char path[200]; strlcpy(path, CONFIG_DIR, (strlen(CONFIG_DIR)+1)); strlcat(path, (*uc_mgr)->card_ctxt_ptr->card_name, sizeof(path)); ALOGV("master config file path:%s", path); fd = open(path, O_RDONLY); if (fd < 0) { ALOGE("failed to open config file %s error %d\n", path, errno); return -EINVAL; } if (fstat(fd, &st) < 0) { ALOGE("failed to stat %s error %d\n", path, errno); close(fd); return -EINVAL; } read_buf = (char *) mmap(0, st.st_size, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0); if (read_buf == MAP_FAILED) { ALOGE("failed to mmap file error %d\n", errno); close(fd); return -EINVAL; } current_str = read_buf; verb_count = get_verb_count(current_str); (*uc_mgr)->card_ctxt_ptr->use_case_verb_list = (use_case_verb_t *)malloc((verb_count+1)*(sizeof(use_case_verb_t))); if ((*uc_mgr)->card_ctxt_ptr->use_case_verb_list == NULL) { ALOGE("failed to allocate memory for use case verb list\n"); munmap(read_buf, st.st_size); close(fd); return -ENOMEM; } if (((*uc_mgr)->card_ctxt_ptr->verb_list = (char **)malloc((verb_count+2)*(sizeof(char *)))) == NULL) { ALOGE("failed to allocate memory for verb list\n"); munmap(read_buf, st.st_size); close(fd); return -ENOMEM; } verb_name = NULL; if ((ret = is_single_config_format(current_str))) { ALOGD("Single config file format detected\n"); ret = parse_single_config_format(uc_mgr, current_str, verb_count); munmap(read_buf, st.st_size); close(fd); return ret; } while (*current_str != (char)EOF) { next_str = strchr(current_str, '\n'); if (!next_str) break; *next_str++ = '\0'; if (verb_name == NULL) { buf = strstr(current_str, "SectionUseCase"); if (buf == NULL) { if((current_str = next_str) == NULL) break; else continue; } verb_list = (*uc_mgr)->card_ctxt_ptr->use_case_verb_list; p = strtok_r(buf, ".", &temp_ptr); while (p != NULL) { p = strtok_r(NULL, "\"", &temp_ptr); if (p == NULL) break; verb_name = (char *)malloc((strlen(p)+1)*sizeof(char)); if(verb_name == NULL) { ret = -ENOMEM; break; } strlcpy(verb_name, p, (strlen(p)+1)*sizeof(char)); if ((verb_list[index].use_case_name = (char *)malloc((strlen(verb_name)+1)*sizeof(char)))) { strlcpy(verb_list[index].use_case_name, verb_name, ((strlen(verb_name)+1)*sizeof(char))); } else { ret = -ENOMEM; break; } if (((*uc_mgr)->card_ctxt_ptr->verb_list[index] = (char *)malloc((strlen(verb_name)+1)*sizeof(char)))) { strlcpy((*uc_mgr)->card_ctxt_ptr->verb_list[index], verb_name, ((strlen(verb_name)+1)*sizeof(char))); } else { ret = -ENOMEM; break; } break; } } else { buf = strstr(current_str, "File"); if (buf == NULL) { if((current_str = next_str) == NULL) break; else continue; } p = strtok_r(buf, "\"", &temp_ptr); while (p != NULL) { p = strtok_r(NULL, "\"", &temp_ptr); if (p == NULL) break; file_name = (char *)malloc((strlen(p)+1)*sizeof(char)); if(file_name == NULL) { ret = -ENOMEM; break; } strlcpy(file_name, p, (strlen(p)+1)*sizeof(char)); break; } if (file_name != NULL) { ret = snd_ucm_parse_verb(uc_mgr, file_name, index); if (ret < 0) ALOGE("Failed to parse config file %s\n", file_name); free(verb_name); verb_name = NULL; free(file_name); file_name = NULL; } index++; /* Break here so that only one first use case config file (HiFi) * from master config file is parsed initially and all other * config files are parsed in seperate thread created below so * that audio HAL can initialize faster during boot-up */ break; } if((current_str = next_str) == NULL) break; } munmap(read_buf, st.st_size); close(fd); if (((*uc_mgr)->card_ctxt_ptr->verb_list[index] = (char *)malloc((strlen(SND_UCM_END_OF_LIST)+1)*sizeof(char)))) { strlcpy((*uc_mgr)->card_ctxt_ptr->verb_list[index], SND_UCM_END_OF_LIST, ((strlen(SND_UCM_END_OF_LIST)+1)*sizeof(char))); } else { ALOGE("Failed to allocate memory\n"); ret = -ENOMEM; } if (!ret) { ALOGD("Creating Parsing thread uc_mgr %p\n", uc_mgr); rc = pthread_create(&(*uc_mgr)->thr, 0, second_stage_parsing_thread, (void*)(*uc_mgr)); if(rc < 0) { ALOGE("Failed to create parsing thread rc %d errno %d\n", rc, errno); } else { ALOGV("Prasing thread created successfully\n"); } } if (verb_name) free(verb_name); if (file_name) free(file_name); return ret; } /* Parse a single config file format * uc_mgr - use case manager structure * buf - config file buffer to be parsed * Returns 0 on sucess, negative error code otherwise */ static int parse_single_config_format(snd_use_case_mgr_t **uc_mgr, char *current_str, int num_verbs) { struct stat st; card_mctrl_t *list; use_case_verb_t *verb_list; int verb_count = 0, device_count = 0, mod_count = 0, index = -1, ret = 0; char *next_str, *buf, *p, *verb_ptr, *temp_ptr; verb_list = (*uc_mgr)->card_ctxt_ptr->use_case_verb_list; while (*current_str != (char)EOF) { next_str = strchr(current_str, '\n'); if (!next_str) break; *next_str++ = '\0'; if ((buf = strcasestr(current_str, "SectionUseCase")) != NULL) { if (index != -1) { list = (verb_list[index].verb_ctrls + verb_list[index].verb_count); list->case_name = (char *) malloc((strlen(SND_UCM_END_OF_LIST)+1)*sizeof(char)); if(list->case_name == NULL) { free(verb_list[index].verb_ctrls); return -ENOMEM; } strlcpy(list->case_name, SND_UCM_END_OF_LIST, (strlen(SND_UCM_END_OF_LIST)+1)*sizeof(char)); list->ena_mixer_list = NULL; list->dis_mixer_list = NULL; list->ena_mixer_count = 0; list->dis_mixer_count = 0; list->playback_dev_name = NULL; list->capture_dev_name = NULL; list->acdb_id = 0; list->capability = 0; } index++; p = strtok_r(buf, ".", &temp_ptr); while (p != NULL) { p = strtok_r(NULL, "\"", &temp_ptr); if (p == NULL) break; if ((verb_list[index].use_case_name = (char *)malloc((strlen(p)+1)*sizeof(char)))) { strlcpy(verb_list[index].use_case_name, p, ((strlen(p)+1)*sizeof(char))); } else { ret = -ENOMEM; break; } if (((*uc_mgr)->card_ctxt_ptr->verb_list[index] = (char *)malloc((strlen(p)+1)*sizeof(char)))) { strlcpy((*uc_mgr)->card_ctxt_ptr->verb_list[index], p, ((strlen(p)+1)*sizeof(char))); } else { ret = -ENOMEM; break; } break; } verb_list[index].verb_count = 0; verb_list[index].device_count = 0; verb_list[index].mod_count = 0; verb_list[index].device_list = NULL; verb_list[index].modifier_list = NULL; verb_list[index].verb_ctrls = NULL; verb_list[index].device_ctrls = NULL; verb_list[index].mod_ctrls = NULL; verb_count = get_num_verbs_config_format(next_str); verb_list[index].verb_ctrls = (card_mctrl_t *) malloc((verb_count+1)*sizeof(card_mctrl_t)); if (verb_list[index].verb_ctrls == NULL) { ret = -ENOMEM; break; } verb_list[index].verb_count = 0; } else if (!strncasecmp(current_str, "SectionVerb", 11)) { ret = snd_ucm_parse_section(uc_mgr, ¤t_str, &next_str, index, CTRL_LIST_VERB); if (ret < 0) break; } else if (!strncasecmp(current_str, "SectionDevice", 13)) { if (device_count == 0) { device_count = get_num_device_config_format(next_str); verb_list[0].device_ctrls = (card_mctrl_t *) malloc((device_count+1)*sizeof(card_mctrl_t)); if (verb_list[0].device_ctrls == NULL) { ret = -ENOMEM; break; } verb_list[0].device_list = (char **)malloc((device_count+1)*sizeof(char *)); if (verb_list[0].device_list == NULL) return -ENOMEM; verb_list[0].device_count = 0; } ret = snd_ucm_parse_section(uc_mgr, ¤t_str, &next_str, 0, CTRL_LIST_DEVICE); if (ret < 0) { break; } else { list = (verb_list[0].device_ctrls + (verb_list[0].device_count - 1)); verb_ptr = (char *) malloc((strlen(list->case_name)+1)*sizeof(char)); if (verb_ptr == NULL) { ret = -ENOMEM; break; } strlcpy(verb_ptr, list->case_name, ((strlen(list->case_name)+1)*sizeof(char))); verb_list[0].device_list[(verb_list[0].device_count-1)] = verb_ptr; } } else if (!strncasecmp(current_str, "SectionModifier", 15)) { if (mod_count == 0) { mod_count = get_num_mod_config_format(next_str); verb_list[0].mod_ctrls = (card_mctrl_t *) malloc((mod_count+1)*sizeof(card_mctrl_t)); if (verb_list[0].mod_ctrls == NULL) { ret = -ENOMEM; break; } verb_list[0].modifier_list = (char **)malloc((mod_count+1)*sizeof(char *)); if (verb_list[0].modifier_list == NULL) return -ENOMEM; verb_list[0].mod_count = 0; } ret = snd_ucm_parse_section(uc_mgr, ¤t_str, &next_str, 0, CTRL_LIST_MODIFIER); if (ret < 0) { break; } else { list = (verb_list[0].mod_ctrls + (verb_list[0].mod_count - 1)); verb_ptr = (char *) malloc((strlen(list->case_name)+1)*sizeof(char)); if (verb_ptr == NULL) { ret = -ENOMEM; break; } strlcpy(verb_ptr, list->case_name, ((strlen(list->case_name)+1)*sizeof(char))); verb_list[0].modifier_list[(verb_list[0].mod_count - 1)] = verb_ptr; } } if((current_str = next_str) == NULL) break; } list = (verb_list[index].verb_ctrls + verb_list[index].verb_count); list->case_name = (char *)malloc((strlen(SND_UCM_END_OF_LIST)+1)*sizeof(char)); if(list->case_name == NULL) { free(verb_list[index].verb_ctrls); return -ENOMEM; } strlcpy(list->case_name, SND_UCM_END_OF_LIST, (strlen(SND_UCM_END_OF_LIST)+1)*sizeof(char)); list->ena_mixer_list = NULL; list->dis_mixer_list = NULL; list->ena_mixer_count = 0; list->dis_mixer_count = 0; list->playback_dev_name = NULL; list->capture_dev_name = NULL; list->acdb_id = 0; list->capability = 0; index++; if (index != -1) { if (((*uc_mgr)->card_ctxt_ptr->verb_list[index] = (char *)malloc((strlen(SND_UCM_END_OF_LIST)+1)*sizeof(char)))) { strlcpy((*uc_mgr)->card_ctxt_ptr->verb_list[index], SND_UCM_END_OF_LIST, ((strlen(SND_UCM_END_OF_LIST)+1)*sizeof(char))); } else { ALOGE("Failed to allocate memory\n"); ret = -ENOMEM; } } /* Add end of list to device list */ verb_ptr = (char *)malloc((strlen(SND_UCM_END_OF_LIST)+1)*sizeof(char)); if (verb_ptr == NULL) return -ENOMEM; strlcpy(verb_ptr, SND_UCM_END_OF_LIST, ((strlen(SND_UCM_END_OF_LIST)+1)*sizeof(char))); verb_list[0].device_list[verb_list[0].device_count] = verb_ptr; /* Add end of list to modifier list */ verb_ptr = (char *)malloc((strlen(SND_UCM_END_OF_LIST)+1)*sizeof(char)); if (verb_ptr == NULL) return -ENOMEM; strlcpy(verb_ptr, SND_UCM_END_OF_LIST, ((strlen(SND_UCM_END_OF_LIST)+1)*sizeof(char))); verb_list[0].modifier_list[verb_list[0].mod_count] = verb_ptr; /* Add end of list to device controls list */ list = (verb_list[0].device_ctrls + verb_list[0].device_count); list->case_name = (char *)malloc((strlen(SND_UCM_END_OF_LIST)+1)*sizeof(char)); if(list->case_name == NULL) { free(verb_list[0].device_ctrls); return -ENOMEM; } strlcpy(list->case_name, SND_UCM_END_OF_LIST, (strlen(SND_UCM_END_OF_LIST)+1)*sizeof(char)); list->ena_mixer_list = NULL; list->dis_mixer_list = NULL; list->ena_mixer_count = 0; list->dis_mixer_count = 0; list->playback_dev_name = NULL; list->capture_dev_name = NULL; list->acdb_id = 0; list->capability = 0; /* Add end of list to modifier controls list */ list = (verb_list[0].mod_ctrls + verb_list[0].mod_count); list->case_name = (char *)malloc((strlen(SND_UCM_END_OF_LIST)+1)*sizeof(char)); if(list->case_name == NULL) { free(verb_list[0].mod_ctrls); return -ENOMEM; } strlcpy(list->case_name, SND_UCM_END_OF_LIST, (strlen(SND_UCM_END_OF_LIST)+1)*sizeof(char)); list->ena_mixer_list = NULL; list->dis_mixer_list = NULL; list->ena_mixer_count = 0; list->dis_mixer_count = 0; list->playback_dev_name = NULL; list->capture_dev_name = NULL; list->acdb_id = 0; list->capability = 0; for (index = 1; index < num_verbs; index++) { verb_list[index].device_ctrls = verb_list[0].device_ctrls; verb_list[index].device_list = verb_list[0].device_list; verb_list[index].device_count = verb_list[0].device_count; verb_list[index].mod_ctrls = verb_list[0].mod_ctrls; verb_list[index].modifier_list = verb_list[0].modifier_list; verb_list[index].mod_count = verb_list[0].mod_count; } if (ret < 0) { ALOGE("Failed to parse config file ret %d errno %d\n", ret, errno); } else { ALOGV("Prasing done successfully\n"); #if PARSE_DEBUG /* Prints use cases and mixer controls parsed from config files */ snd_ucm_print((*uc_mgr)); #endif } return ret; } /* Returns number of verb sections for specific use case verb*/ static int get_num_verbs_config_format(const char *nxt_str) { char *current_str, *next_str, *str_addr, *buf; int count = 0; next_str = (char *)malloc((strlen(nxt_str)+1)*sizeof(char)); if (next_str == NULL) { ALOGE("Failed to allocate memory"); return -ENOMEM; } strlcpy(next_str, nxt_str, ((strlen(nxt_str)+1)*sizeof(char))); str_addr = next_str; current_str = next_str; while(1) { next_str = strchr(current_str, '\n'); if (!next_str) break; *next_str++ = '\0'; buf = strcasestr(current_str, "SectionUseCase"); if (buf != NULL) break; buf = strcasestr(current_str, "SectionVerb"); if (buf != NULL) count++; if (*next_str == (char)EOF) break; if((current_str = next_str) == NULL) break; } free(str_addr); return count; } /* Returns number of common device sections for all use case verbs*/ static int get_num_device_config_format(const char *nxt_str) { char *current_str, *next_str, *str_addr, *buf; int count = 1; next_str = (char *)malloc((strlen(nxt_str)+1)*sizeof(char)); if (next_str == NULL) { ALOGE("Failed to allocate memory"); return -ENOMEM; } strlcpy(next_str, nxt_str, ((strlen(nxt_str)+1)*sizeof(char))); str_addr = next_str; current_str = next_str; while(1) { next_str = strchr(current_str, '\n'); if (!next_str) break; *next_str++ = '\0'; buf = strcasestr(current_str, "SectionDevice"); if (buf != NULL) count++; if (*next_str == (char)EOF) break; if((current_str = next_str) == NULL) break; } free(str_addr); return count; } /* Returns number of common modifier sections for all use case verbs*/ static int get_num_mod_config_format(const char *nxt_str) { char *current_str, *next_str, *str_addr, *buf; int count = 1; next_str = (char *)malloc((strlen(nxt_str)+1)*sizeof(char)); if (next_str == NULL) { ALOGE("Failed to allocate memory"); return -ENOMEM; } strlcpy(next_str, nxt_str, ((strlen(nxt_str)+1)*sizeof(char))); str_addr = next_str; current_str = next_str; while(1) { next_str = strchr(current_str, '\n'); if (!next_str) break; *next_str++ = '\0'; buf = strcasestr(current_str, "SectionModifier"); if (buf != NULL) count++; if (*next_str == (char)EOF) break; if((current_str = next_str) == NULL) break; } free(str_addr); return count; } /* Gets the number of use case verbs defined by master config file */ static int get_verb_count(const char *nxt_str) { char *current_str, *next_str, *str_addr, *buf, *p; int count = 0; next_str = (char *)malloc((strlen(nxt_str)+1)*sizeof(char)); if (next_str == NULL) { ALOGE("Failed to allocate memory"); return -ENOMEM; } strlcpy(next_str, nxt_str, ((strlen(nxt_str)+1)*sizeof(char))); str_addr = next_str; current_str = next_str; while(1) { next_str = strchr(current_str, '\n'); if (!next_str) break; *next_str++ = '\0'; buf = strstr(current_str, "SectionUseCase"); if (buf != NULL) count++; if (*next_str == (char)EOF) break; if((current_str = next_str) == NULL) break; } free(str_addr); return count; } /* Returns one if single config file per sound card format is being used */ static int is_single_config_format(const char *nxt_str) { char *current_str, *next_str, *str_addr, *buf; int ret = 1, count = 0; next_str = (char *)malloc((strlen(nxt_str)+1)*sizeof(char)); if (next_str == NULL) { ALOGE("Failed to allocate memory"); return -ENOMEM; } strlcpy(next_str, nxt_str, ((strlen(nxt_str)+1)*sizeof(char))); str_addr = next_str; current_str = next_str; while(1) { next_str = strchr(current_str, '\n'); if (!next_str) break; *next_str++ = '\0'; buf = strstr(current_str, "SectionUseCase"); if (buf != NULL) count++; buf = strstr(current_str, "File"); if (buf != NULL) ret = 0; if ((*next_str == (char)EOF) || (count == 2)) break; if((current_str = next_str) == NULL) break; } free(str_addr); return ret; } /* Parse a use case verb config files and update mixer controls for the verb * uc_mgr - use case manager structure * file_name - use case verb config file name * index - index of the verb in the list * Returns 0 on sucess, negative error code otherwise */ static int snd_ucm_parse_verb(snd_use_case_mgr_t **uc_mgr, const char *file_name, int index) { struct stat st; card_mctrl_t *list; int device_count, modifier_count; int fd, ret = 0, parse_count = 0; char *read_buf, *next_str, *current_str, *verb_ptr; char path[200]; use_case_verb_t *verb_list; strlcpy(path, CONFIG_DIR, (strlen(CONFIG_DIR)+1)); strlcat(path, file_name, sizeof(path)); ALOGV("path:%s", path); verb_list = (*uc_mgr)->card_ctxt_ptr->use_case_verb_list; while(1) { device_count = 0; modifier_count = 0; if (parse_count == 0) { verb_list[index].verb_count = 0; verb_list[index].device_count = 0; verb_list[index].mod_count = 0; verb_list[index].device_list = NULL; verb_list[index].modifier_list = NULL; verb_list[index].verb_ctrls = NULL; verb_list[index].device_ctrls = NULL; verb_list[index].mod_ctrls = NULL; } fd = open(path, O_RDONLY); if (fd < 0) { ALOGE("failed to open config file %s error %d\n", path, errno); return -EINVAL; } if (fstat(fd, &st) < 0) { ALOGE("failed to stat %s error %d\n", path, errno); close(fd); return -EINVAL; } read_buf = (char *) mmap(0, st.st_size, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0); if (read_buf == MAP_FAILED) { ALOGE("failed to mmap file error %d\n", errno); close(fd); return -EINVAL; } current_str = read_buf; while (*current_str != (char)EOF) { next_str = strchr(current_str, '\n'); if (!next_str) break; *next_str++ = '\0'; if (!strncasecmp(current_str, "SectionVerb", 11)) { if (parse_count == 0) { verb_list[index].verb_count++; } else { ret = snd_ucm_parse_section(uc_mgr, ¤t_str, &next_str, index, CTRL_LIST_VERB); if (ret < 0) break; } } else if (!strncasecmp(current_str, "SectionDevice", 13)) { if (parse_count == 0) { verb_list[index].device_count++; device_count++; } else { ret = snd_ucm_parse_section(uc_mgr, ¤t_str, &next_str, index, CTRL_LIST_DEVICE); if (ret < 0) { break; } else { list = (verb_list[index].device_ctrls + (verb_list[index].device_count - 1)); verb_ptr = (char *) malloc((strlen(list->case_name)+1)*sizeof(char)); if (verb_ptr == NULL) { ret = -ENOMEM; break; } strlcpy(verb_ptr, list->case_name, ((strlen(list->case_name)+1)*sizeof(char))); verb_list[index].device_list[device_count] = verb_ptr; device_count++; } } } else if (!strncasecmp(current_str, "SectionModifier", 15)) { if (parse_count == 0) { verb_list[index].mod_count++; modifier_count++; } else { ret = snd_ucm_parse_section(uc_mgr, ¤t_str, &next_str, index, CTRL_LIST_MODIFIER); if (ret < 0) { break; } else { list = (verb_list[index].mod_ctrls + (verb_list[index].mod_count - 1)); verb_ptr = (char *) malloc((strlen(list->case_name)+1)*sizeof(char)); if (verb_ptr == NULL) { ret = -ENOMEM; break; } strlcpy(verb_ptr, list->case_name, ((strlen(list->case_name)+1)*sizeof(char))); verb_list[index].modifier_list[modifier_count] = verb_ptr; modifier_count++; } } } if((current_str = next_str) == NULL) break; } munmap(read_buf, st.st_size); close(fd); if(ret < 0) return ret; if (parse_count == 0) { verb_list[index].device_list = (char **)malloc((device_count+1)*sizeof(char *)); if (verb_list[index].device_list == NULL) return -ENOMEM; verb_list[index].modifier_list = (char **)malloc((modifier_count+1)*sizeof(char *)); if (verb_list[index].modifier_list == NULL) return -ENOMEM; parse_count += verb_list[index].verb_count; verb_list[index].verb_ctrls = (card_mctrl_t *) malloc((verb_list[index].verb_count+1)*sizeof(card_mctrl_t)); if (verb_list[index].verb_ctrls == NULL) { ret = -ENOMEM; break; } verb_list[index].verb_count = 0; parse_count += verb_list[index].device_count; verb_list[index].device_ctrls = (card_mctrl_t *) malloc((verb_list[index].device_count+1)*sizeof(card_mctrl_t)); if (verb_list[index].device_ctrls == NULL) { ret = -ENOMEM; break; } verb_list[index].device_count = 0; parse_count += verb_list[index].mod_count; verb_list[index].mod_ctrls = (card_mctrl_t *) malloc((verb_list[index].mod_count+1)*sizeof(card_mctrl_t)); if (verb_list[index].mod_ctrls == NULL) { ret = -ENOMEM; break; } verb_list[index].mod_count = 0; continue; } else { verb_ptr = (char *)malloc((strlen(SND_UCM_END_OF_LIST)+1)*sizeof(char)); if (verb_ptr == NULL) return -ENOMEM; strlcpy(verb_ptr, SND_UCM_END_OF_LIST, ((strlen(SND_UCM_END_OF_LIST)+1)*sizeof(char))); verb_list[index].device_list[device_count] = verb_ptr; verb_ptr = (char *)malloc((strlen(SND_UCM_END_OF_LIST)+1)*sizeof(char)); if (verb_ptr == NULL) return -ENOMEM; strlcpy(verb_ptr, SND_UCM_END_OF_LIST, ((strlen(SND_UCM_END_OF_LIST)+1)*sizeof(char))); verb_list[index].modifier_list[modifier_count] = verb_ptr; list = (verb_list[index].verb_ctrls + verb_list[index].verb_count); list->case_name = (char *)malloc((strlen(SND_UCM_END_OF_LIST)+1)*sizeof(char)); if(list->case_name == NULL) { free(verb_list[index].verb_ctrls); return -ENOMEM; } strlcpy(list->case_name, SND_UCM_END_OF_LIST, (strlen(SND_UCM_END_OF_LIST)+1)*sizeof(char)); list->ena_mixer_list = NULL; list->dis_mixer_list = NULL; list->ena_mixer_count = 0; list->dis_mixer_count = 0; list->playback_dev_name = NULL; list->capture_dev_name = NULL; list->acdb_id = 0; list->capability = 0; list = (verb_list[index].device_ctrls + verb_list[index].device_count); list->case_name = (char *)malloc((strlen(SND_UCM_END_OF_LIST)+1)*sizeof(char)); if(list->case_name == NULL) { free(verb_list[index].device_ctrls); return -ENOMEM; } strlcpy(list->case_name, SND_UCM_END_OF_LIST, (strlen(SND_UCM_END_OF_LIST)+1)*sizeof(char)); list->ena_mixer_list = NULL; list->dis_mixer_list = NULL; list->ena_mixer_count = 0; list->dis_mixer_count = 0; list->playback_dev_name = NULL; list->capture_dev_name = NULL; list->acdb_id = 0; list->capability = 0; list = (verb_list[index].mod_ctrls + verb_list[index].mod_count); list->case_name = (char *)malloc((strlen(SND_UCM_END_OF_LIST)+1)*sizeof(char)); if(list->case_name == NULL) { free(verb_list[index].mod_ctrls); return -ENOMEM; } strlcpy(list->case_name, SND_UCM_END_OF_LIST, (strlen(SND_UCM_END_OF_LIST)+1)*sizeof(char)); list->ena_mixer_list = NULL; list->dis_mixer_list = NULL; list->ena_mixer_count = 0; list->dis_mixer_count = 0; list->playback_dev_name = NULL; list->capture_dev_name = NULL; list->acdb_id = 0; list->capability = 0; parse_count = 0; break; } } return ret; } /* Print mixer controls in a specific list * list - list to be printed * verb_index - verb index * count - number of elements in the list * Returns 0 on sucess, negative error code otherwise */ static int print_list(card_mctrl_t *list, int verb_index, int count) { int i, j; for(i=0; i < count; i++) { ALOGD("\tcase name: %s\n", list[i].case_name); ALOGD("\tEnable sequence: %d\n", list[i].ena_mixer_count); for(j=0; jcard_ctxt_ptr->card_lock); verb_list = uc_mgr->card_ctxt_ptr->use_case_verb_list; while(strncmp(uc_mgr->card_ctxt_ptr->verb_list[verb_index], SND_UCM_END_OF_LIST, 3)) { ALOGD("\nuse case verb: %s\n", uc_mgr->card_ctxt_ptr->verb_list[verb_index]); if(verb_list[verb_index].device_list) { ALOGD("\tValid device list:"); i = 0; while(strncmp(verb_list[verb_index].device_list[i], SND_UCM_END_OF_LIST, 3)) { ALOGD("\t\t%s", verb_list[verb_index].device_list[i]); i++; } } if(verb_list[verb_index].modifier_list) { ALOGD("\tValid modifier list:"); i = 0; while(strncmp(verb_list[verb_index].modifier_list[i], SND_UCM_END_OF_LIST, 3)) { ALOGD("\t\t%s", verb_list[verb_index].modifier_list[i]); i++; } } ALOGD("Verbs:\n"); list = verb_list[verb_index].verb_ctrls; print_list(list, verb_index, verb_list[verb_index].verb_count); ALOGD("Devices:\n"); list = verb_list[verb_index].device_ctrls; print_list(list, verb_index, verb_list[verb_index].device_count); ALOGD("Modifier:\n"); list = verb_list[verb_index].mod_ctrls; print_list(list, verb_index, verb_list[verb_index].mod_count); verb_index++; } pthread_mutex_unlock(&uc_mgr->card_ctxt_ptr->card_lock); return 0; } /* Gets the number of controls for specific sequence of a use cae */ static int get_controls_count(const char *nxt_str) { char *current_str, *next_str, *str_addr; int count = 0; next_str = (char *)malloc((strlen(nxt_str)+1)*sizeof(char)); if (next_str == NULL) { ALOGE("Failed to allocate memory"); return -ENOMEM; } strlcpy(next_str, nxt_str, ((strlen(nxt_str)+1)*sizeof(char))); str_addr = next_str; while(1) { current_str = next_str; next_str = strchr(current_str, '\n'); if ((!next_str) || (!strncasecmp(current_str, "EndSection", 10))) break; *next_str++ = '\0'; if (strcasestr(current_str, "EndSequence") != NULL) { break; } else { count++; } if (*next_str == (char)EOF) break; if(!strncasecmp(current_str, "EndSection", 10)) break; } free(str_addr); return count; } /* Parse a section of config files * uc_mgr - use case manager structure * Returns 0 on sucess, negative error code otherwise */ static int snd_ucm_parse_section(snd_use_case_mgr_t **uc_mgr, char **cur_str, char **nxt_str, int verb_index, int ctrl_list_type) { use_case_verb_t *verb_list; card_mctrl_t *list; int enable_seq = 0, disable_seq = 0, controls_count = 0, ret = 0; char *p, *current_str, *next_str, *name; verb_list = (*uc_mgr)->card_ctxt_ptr->use_case_verb_list; if (ctrl_list_type == CTRL_LIST_VERB) { list = (verb_list[verb_index].verb_ctrls + verb_list[verb_index].verb_count); } else if (ctrl_list_type == CTRL_LIST_DEVICE) { list = (verb_list[verb_index].device_ctrls + verb_list[verb_index].device_count); } else if (ctrl_list_type == CTRL_LIST_MODIFIER) { list = (verb_list[verb_index].mod_ctrls + verb_list[verb_index].mod_count); } else { ALOGE("Invalid list type: %d\n", ctrl_list_type); return -EINVAL; } list->case_name = NULL; list->ena_mixer_list = NULL; list->dis_mixer_list = NULL; list->ena_mixer_count = 0; list->dis_mixer_count = 0; list->playback_dev_name = NULL; list->capture_dev_name = NULL; list->acdb_id = 0; list->capability = 0; list->effects_mixer_ctl = NULL; current_str = *cur_str; next_str = *nxt_str; while(strncasecmp(current_str, "EndSection", 10)) { current_str = next_str; next_str = strchr(current_str, '\n'); if ((!next_str) || (!strncasecmp(current_str, "EndSection", 10))) break; *next_str++ = '\0'; if (strcasestr(current_str, "EndSequence") != NULL) { if (enable_seq == 1) enable_seq = 0; else if (disable_seq == 1) disable_seq = 0; else ALOGE("Error: improper config file\n"); } if (enable_seq == 1) { ret = snd_ucm_extract_controls(current_str, &list->ena_mixer_list, list->ena_mixer_count); if (ret < 0) break; list->ena_mixer_count++; } else if (disable_seq == 1) { ret = snd_ucm_extract_controls(current_str, &list->dis_mixer_list, list->dis_mixer_count); if (ret < 0) break; list->dis_mixer_count++; } else if (strcasestr(current_str, "Name") != NULL) { ret = snd_ucm_extract_name(current_str, &list->case_name); if (ret < 0) break; ALOGV("Name of section is %s\n", list->case_name); } else if (strcasestr(current_str, "PlaybackPCM") != NULL) { ret = snd_ucm_extract_dev_name(current_str, &list->playback_dev_name); if (ret < 0) break; ALOGV("Device name of playback is %s\n", list->playback_dev_name); } else if (strcasestr(current_str, "CapturePCM") != NULL) { ret = snd_ucm_extract_dev_name(current_str, &list->capture_dev_name); if (ret < 0) break; ALOGV("Device name of capture is %s\n", list->capture_dev_name); } else if (strcasestr(current_str, "ACDBID") != NULL) { ret = snd_ucm_extract_acdb(current_str, &list->acdb_id, &list->capability); if (ret < 0) break; ALOGV("ACDB ID: %d CAPABILITY: %d\n", list->acdb_id, list->capability); } else if (strcasestr(current_str, "EffectsMixerCTL") != NULL) { ret = snd_ucm_extract_effects_mixer_ctl(current_str, &list->effects_mixer_ctl); if (ret < 0) break; ALOGV("Effects mixer ctl: %s: %d\n", list->effects_mixer_ctl); } if (strcasestr(current_str, "EnableSequence") != NULL) { controls_count = get_controls_count(next_str); if (controls_count < 0) { ret = -ENOMEM; break; } list->ena_mixer_list = (mixer_control_t *)malloc((controls_count*sizeof(mixer_control_t))); if (list->ena_mixer_list == NULL) { ret = -ENOMEM; break; } enable_seq = 1; } else if (strcasestr(current_str, "DisableSequence") != NULL) { controls_count = get_controls_count(next_str); if (controls_count < 0) { ret = -ENOMEM; break; } list->dis_mixer_list = (mixer_control_t *)malloc((controls_count*sizeof(mixer_control_t))); if (list->dis_mixer_list == NULL) { ret = -ENOMEM; break; } disable_seq = 1; } if (*next_str == (char)EOF) break; } if(ret == 0) { *cur_str = current_str; *nxt_str = next_str; if (ctrl_list_type == CTRL_LIST_VERB) { verb_list[verb_index].verb_count++; } else if (ctrl_list_type == CTRL_LIST_DEVICE) { verb_list[verb_index].device_count++; } else if (ctrl_list_type == CTRL_LIST_MODIFIER) { verb_list[verb_index].mod_count++; } } return ret; } /* Extract a mixer control name from config file * Returns 0 on sucess, negative error code otherwise */ static int snd_ucm_extract_name(char *buf, char **case_name) { int ret = 0; char *p, *name = *case_name, *temp_ptr; p = strtok_r(buf, "\"", &temp_ptr); while (p != NULL) { p = strtok_r(NULL, "\"", &temp_ptr); if (p == NULL) break; name = (char *)malloc((strlen(p)+1)*sizeof(char)); if(name == NULL) { ret = -ENOMEM; break; } strlcpy(name, p, (strlen(p)+1)*sizeof(char)); *case_name = name; break; } return ret; } /* Extract a ACDB ID and capability of use case from config file * Returns 0 on sucess, negative error code otherwise */ static int snd_ucm_extract_acdb(char *buf, int *id, int *cap) { char *p, key[] = "0123456789", *temp_ptr; p = strpbrk(buf, key); if (p == NULL) { *id = 0; *cap = 0; } else { p = strtok_r(p, ":", &temp_ptr); while (p != NULL) { *id = atoi(p); p = strtok_r(NULL, "\0", &temp_ptr); if (p == NULL) break; *cap = atoi(p); break; } } return 0; } /* Extract Effects Mixer ID of device from config file * Returns 0 on sucess, negative error code otherwise */ static int snd_ucm_extract_effects_mixer_ctl(char *buf, char **mixer_name) { int ret = 0; char *p, *name = *mixer_name, *temp_ptr; p = strtok_r(buf, "\"", &temp_ptr); while (p != NULL) { p = strtok_r(NULL, "\"", &temp_ptr); if (p == NULL) break; name = (char *)malloc((strlen(p)+1)*sizeof(char)); if(name == NULL) { ret = -ENOMEM; break; } strlcpy(name, p, (strlen(p)+1)*sizeof(char)); *mixer_name = name; break; } return ret; } /* Extract a playback and capture device name of use case from config file * Returns 0 on sucess, negative error code otherwise */ static int snd_ucm_extract_dev_name(char *buf, char **dev_name) { char key[] = "0123456789"; char *p, *name = *dev_name; char dev_pre[] = "hw:0,"; char *temp_ptr; p = strpbrk(buf, key); if (p == NULL) { *dev_name = NULL; } else { p = strtok_r(p, "\r\n", &temp_ptr); if (p == NULL) { *dev_name = NULL; } else { name = (char *)malloc((strlen(p)+strlen(dev_pre)+1)*sizeof(char)); if(name == NULL) return -ENOMEM; strlcpy(name, dev_pre, (strlen(p)+strlen(dev_pre)+1)*sizeof(char)); strlcat(name, p, (strlen(p)+strlen(dev_pre)+1)*sizeof(char)); *dev_name = name; } } return 0; } static int get_num_values(const char *buf) { char *buf_addr, *p; int count = 0; char *temp_ptr; buf_addr = (char *)malloc((strlen(buf)+1)*sizeof(char)); if (buf_addr == NULL) { ALOGE("Failed to allocate memory"); return -ENOMEM; } strlcpy(buf_addr, buf, ((strlen(buf)+1)*sizeof(char))); p = strtok_r(buf_addr, " ", &temp_ptr); while (p != NULL) { count++; p = strtok_r(NULL, " ", &temp_ptr); if (p == NULL) break; } free(buf_addr); return count; } /* Extract a mixer control from config file * Returns 0 on sucess, negative error code otherwise */ static int snd_ucm_extract_controls(char *buf, mixer_control_t **mixer_list, int size) { unsigned long temp; int ret = -EINVAL, i, index = 0, count = 0; char *p, *ps, *pmv, temp_coeff[20]; mixer_control_t *list; static const char *const seps = "\r\n"; char *temp_ptr, *temp_vol_ptr; p = strtok_r(buf, "'", &temp_ptr); while (p != NULL) { p = strtok_r(NULL, "'", &temp_ptr); if (p == NULL) break; list = ((*mixer_list)+size); list->control_name = (char *)malloc((strlen(p)+1)*sizeof(char)); if(list->control_name == NULL) { ret = -ENOMEM; free((*mixer_list)); break; } strlcpy(list->control_name, p, (strlen(p)+1)*sizeof(char)); p = strtok_r(NULL, ":", &temp_ptr); if (p == NULL) break; if(!strncmp(p, "0", 1)) { list->type = TYPE_STR; } else if(!strncmp(p, "1", 1)) { list->type = TYPE_INT; } else if(!strncmp(p, "2", 1)) { list->type = TYPE_MULTI_VAL; } else { ALOGE("Unknown type: p %s\n", p); } p = strtok_r(NULL, seps, &temp_ptr); if (p == NULL) break; if(list->type == TYPE_INT) { list->value = atoi(p); list->string = NULL; list->mulval = NULL; } else if(list->type == TYPE_STR) { list->value = -1; list->string = (char *)malloc((strlen(p)+1)*sizeof(char)); list->mulval = NULL; if(list->string == NULL) { ret = -ENOMEM; free((*mixer_list)); free(list->control_name); break; } strlcpy(list->string, p, (strlen(p)+1)*sizeof(char)); } else if(list->type == TYPE_MULTI_VAL) { if (p != NULL) { count = get_num_values(p); list->mulval = (char **)malloc(count*sizeof(char *)); if (list->mulval == NULL) { ret = -ENOMEM; free((*mixer_list)); free(list->control_name); break; } index = 0; /* To support volume values in percentage */ if ((count == 1) && (strstr(p, "%") != NULL)) { pmv = strtok_r(p, " ", &temp_vol_ptr); while (pmv != NULL) { list->mulval[index] = (char *)malloc((strlen(pmv)+1)*sizeof(char)); strlcpy(list->mulval[index], pmv, (strlen(pmv)+1)); index++; pmv = strtok_r(NULL, " ", &temp_vol_ptr); if (pmv == NULL) break; } } else { pmv = strtok_r(p, " ", &temp_vol_ptr); while (pmv != NULL) { temp = strtoul(pmv, &ps, 16); snprintf(temp_coeff, sizeof(temp_coeff),"%lu", temp); list->mulval[index] = (char *)malloc((strlen(temp_coeff)+1)*sizeof(char)); strlcpy(list->mulval[index], temp_coeff, (strlen(temp_coeff)+1)); index++; pmv = strtok_r(NULL, " ", &temp_vol_ptr); if (pmv == NULL) break; } } list->value = count; list->string = NULL; } } else { ALOGE("Unknown type: p %s\n", p); list->value = -1; list->string = NULL; } ret = 0; break; } return ret; } void free_list(card_mctrl_t *list, int verb_index, int count) { int case_index = 0, index = 0, mindex = 0; for(case_index = 0; case_index < count; case_index++) { for(index = 0; index < list[case_index].ena_mixer_count; index++) { if(list[case_index].ena_mixer_list[index].control_name) { free(list[case_index].ena_mixer_list[index].control_name); } if(list[case_index].ena_mixer_list[index].string) { free(list[case_index].ena_mixer_list[index].string); } if(list[case_index].ena_mixer_list[index].mulval) { for(mindex = 0; mindex < list[case_index].ena_mixer_list[index].value; mindex++) { free(list[case_index].ena_mixer_list[index].mulval[mindex]); } if(list[case_index].ena_mixer_list[index].mulval) { free(list[case_index].ena_mixer_list[index].mulval); } } } for(index = 0; index < list[case_index].dis_mixer_count; index++) { if(list[case_index].dis_mixer_list[index].control_name) { free(list[case_index].dis_mixer_list[index].control_name); } if(list[case_index].dis_mixer_list[index].string) { free(list[case_index].dis_mixer_list[index].string); } if(list[case_index].dis_mixer_list[index].mulval) { for(mindex = 0; mindex < list[case_index].dis_mixer_list[index].value; mindex++) { free(list[case_index].dis_mixer_list[index].mulval[mindex]); } if(list[case_index].dis_mixer_list[index].mulval) { free(list[case_index].dis_mixer_list[index].mulval); } } } if(list[case_index].case_name) { free(list[case_index].case_name); } if(list[case_index].ena_mixer_list) { free(list[case_index].ena_mixer_list); } if(list[case_index].dis_mixer_list) { free(list[case_index].dis_mixer_list); } if(list[case_index].playback_dev_name) { free(list[case_index].playback_dev_name); } if(list[case_index].capture_dev_name) { free(list[case_index].capture_dev_name); } if(list[case_index].effects_mixer_ctl) { list[case_index].effects_mixer_ctl = NULL; } } } void snd_ucm_free_mixer_list(snd_use_case_mgr_t **uc_mgr) { card_mctrl_t *ctrl_list; use_case_verb_t *verb_list; int index = 0, verb_index = 0; pthread_mutex_lock(&(*uc_mgr)->card_ctxt_ptr->card_lock); verb_list = (*uc_mgr)->card_ctxt_ptr->use_case_verb_list; while(strncmp((*uc_mgr)->card_ctxt_ptr->verb_list[verb_index], SND_UCM_END_OF_LIST, 3)) { ctrl_list = verb_list[verb_index].verb_ctrls; free_list(ctrl_list, verb_index, verb_list[verb_index].verb_count); if(verb_list[verb_index].use_case_name) free(verb_list[verb_index].use_case_name); if((*uc_mgr)->card_ctxt_ptr->verb_list[verb_index]) { free((*uc_mgr)->card_ctxt_ptr->verb_list[verb_index]); } verb_index++; } verb_index -= 1; ctrl_list = verb_list[verb_index].device_ctrls; free_list(ctrl_list, verb_index, verb_list[verb_index].device_count); ctrl_list = verb_list[verb_index].mod_ctrls; free_list(ctrl_list, verb_index, verb_list[verb_index].mod_count); index = 0; while(1) { if (verb_list[verb_index].device_list[index]) { if (!strncmp(verb_list[verb_index].device_list[index], SND_UCM_END_OF_LIST, 3)) { free(verb_list[verb_index].device_list[index]); break; } else { free(verb_list[verb_index].device_list[index]); index++; } } } if (verb_list[verb_index].device_list) free(verb_list[verb_index].device_list); index = 0; while(1) { if (verb_list[verb_index].modifier_list[index]) { if (!strncmp(verb_list[verb_index].modifier_list[index], SND_UCM_END_OF_LIST, 3)) { free(verb_list[verb_index].modifier_list[index]); break; } else { free(verb_list[verb_index].modifier_list[index]); index++; } } } if (verb_list[verb_index].modifier_list) free(verb_list[verb_index].modifier_list); if((*uc_mgr)->card_ctxt_ptr->use_case_verb_list) free((*uc_mgr)->card_ctxt_ptr->use_case_verb_list); if((*uc_mgr)->card_ctxt_ptr->verb_list) free((*uc_mgr)->card_ctxt_ptr->verb_list); pthread_mutex_unlock(&(*uc_mgr)->card_ctxt_ptr->card_lock); } /* Add an identifier to the respective list * head - list head * value - node value that needs to be added * Returns 0 on sucess, negative error code otherwise */ static int snd_ucm_add_ident_to_list(struct snd_ucm_ident_node **head, const char *value) { struct snd_ucm_ident_node *temp, *node; node = (struct snd_ucm_ident_node *)malloc(sizeof(struct snd_ucm_ident_node)); if (node == NULL) { ALOGE("Failed to allocate memory for new node"); return -ENOMEM; } else { node->next = NULL; strlcpy(node->ident, value, MAX_STR_LEN); node->active = 0; node->capability = 0; } if (*head == NULL) { *head = node; } else { temp = *head; while (temp->next != NULL) { temp = temp->next; } temp->next = node; } ALOGV("add_to_list: head %p, value %s", *head, node->ident); return 0; } /* Get the status of identifier at particulare index of the list * head - list head * ident - identifier value for which status needs to be get * status - status to be set (1 - active, 0 - inactive) */ static int snd_ucm_get_status_at_index(struct snd_ucm_ident_node *head, const char *ident) { while (head != NULL) { if(!strncmp(ident, head->ident, (strlen(head->ident)+1))) { break; } head = head->next; } if (head == NULL) { ALOGV("Element not found in the list"); } else { return(head->active); } return -EINVAL; } /* Get the node at particular index * head - list head * index - index value */ struct snd_ucm_ident_node *snd_ucm_get_device_node(struct snd_ucm_ident_node *head, int index) { if (head == NULL) { ALOGV("Empty list"); return NULL; } if ((index < 0) || (index >= (snd_ucm_get_size_of_list(head)))) { ALOGE("Element with given index %d doesn't exist in the list", index); return NULL; } while (index) { head = head->next; index--; } return head; } /* Set the status of identifier at particulare index of the list * head - list head * ident - identifier value for which status needs to be set * status - status to be set (1 - active, 0 - inactive) */ static void snd_ucm_set_status_at_index(struct snd_ucm_ident_node *head, const char *ident, int status, int capability) { while (head != NULL) { if(!strncmp(ident, head->ident, (strlen(head->ident)+1))) { break; } head = head->next; } if (head == NULL) { ALOGE("Element not found to set the status"); } else { head->active = status; head->capability = capability; } } /* Get the identifier value at particulare index of the list * head - list head * index - node index value * Returns node idetifier value at index on sucess, NULL otherwise */ static char *snd_ucm_get_value_at_index(struct snd_ucm_ident_node *head, int index) { if (head == NULL) { ALOGV("Empty list"); return NULL; } if ((index < 0) || (index >= (snd_ucm_get_size_of_list(head)))) { ALOGE("Element with given index %d doesn't exist in the list", index); return NULL; } while (index) { head = head->next; index--; } return (strdup(head->ident)); } /* Get the size of the list * head - list head * Returns size of list on sucess, negative error code otherwise */ static int snd_ucm_get_size_of_list(struct snd_ucm_ident_node *head) { int index = 0; if (head == NULL) { ALOGV("Empty list"); return 0; } while (head->next != NULL) { index++; head = head->next; } return (index+1); } static void snd_ucm_print_list(struct snd_ucm_ident_node *head) { int index = 0; ALOGV("print_list: head %p", head); if (head == NULL) { ALOGV("Empty list"); return; } while (head->next != NULL) { ALOGV("index: %d, value: %s", index, head->ident); index++; head = head->next; } ALOGV("index: %d, value: %s", index, head->ident); } /* Delete an identifier from respective list * head - list head * value - node value that needs to be deleted * Returns 0 on sucess, negative error code otherwise * */ static int snd_ucm_del_ident_from_list(struct snd_ucm_ident_node **head, const char *value) { struct snd_ucm_ident_node *temp1, *temp2; int ret = -EINVAL; if (*head == NULL) { ALOGE("del_from_list: Empty list"); return -EINVAL; } else if (!strncmp((*head)->ident, value, (strlen(value)+1))) { temp2 = *head; *head = temp2->next; ret = 0; } else { temp1 = *head; temp2 = temp1->next; while (temp2 != NULL) { if (!strncmp(temp2->ident, value, (strlen(value)+1))) { temp1->next = temp2->next; ret = 0; break; } temp1 = temp1->next; temp2 = temp1->next; } } if (ret < 0) { ALOGE("Element not found in enabled list"); } else { temp2->next = NULL; temp2->ident[0] = 0; temp2->active = 0; temp2->capability = 0; free(temp2); temp2 = NULL; } return ret; }