C++程序
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/*
* 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 <utils/Log.h>
#include <cutils/properties.h>
#else /* ANDROID */
#include <math.h>
#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 <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <stdarg.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <pthread.h>
#include <ctype.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <sys/time.h>
#include <sys/poll.h>
#include <stdint.h>
#include <dlfcn.h>
#include <linux/ioctl.h>
#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
* <Name>/<_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/<device>,
_modstatus/<modifier>
* 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; j<list[i].ena_mixer_count; j++) {
ALOGD("\t\t%s : %d : %d: %s\n",
list[i].ena_mixer_list[j].control_name,
list[i].ena_mixer_list[j].type,
list[i].ena_mixer_list[j].value,
list[i].ena_mixer_list[j].string);
}
ALOGD("\tDisable sequence: %d\n", list[i].dis_mixer_count);
for(j=0; j<list[i].dis_mixer_count; j++) {
ALOGD("\t\t%s : %d : %d : %s\n",
list[i].dis_mixer_list[j].control_name,
list[i].dis_mixer_list[j].type,
list[i].dis_mixer_list[j].value,
list[i].dis_mixer_list[j].string);
}
}
return 0;
}
/* Print mixer controls extracted from config files
* uc_mgr - use case manager structure
* Returns 0 on sucess, negative error code otherwise
*/
static int snd_ucm_print(snd_use_case_mgr_t *uc_mgr)
{
card_mctrl_t *list;
int i, j, verb_index = 0;
use_case_verb_t *verb_list;
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)) {
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;
}