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android_hardware_qcom_audio/hal/audio_extn/soundtrigger.c

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/* Copyright (c) 2013-2014, 2016-2019 The Linux Foundation. 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 The Linux Foundation 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 "soundtrigger"
/* #define LOG_NDEBUG 0 */
#define LOG_NDDEBUG 0
#include <errno.h>
#include <stdbool.h>
#include <stdlib.h>
#include <dlfcn.h>
#include <pthread.h>
#include <log/log.h>
#include <unistd.h>
#include "audio_hw.h"
#include "audio_extn.h"
#include "platform.h"
#include "platform_api.h"
/*-------------------- Begin: AHAL-STHAL Interface ---------------------------*/
/*
* Maintain the proprietary interface between AHAL and STHAL locally to avoid
* the compilation dependency of interface header file from STHAL.
*/
#define MAKE_HAL_VERSION(maj, min) ((((maj) & 0xff) << 8) | ((min) & 0xff))
#define MAJOR_VERSION(ver) (((ver) & 0xff00) >> 8)
#define MINOR_VERSION(ver) ((ver) & 0x00ff)
/* Proprietary interface version used for compatibility with STHAL */
#define STHAL_PROP_API_VERSION_1_0 MAKE_HAL_VERSION(1, 0)
#define STHAL_PROP_API_VERSION_1_1 MAKE_HAL_VERSION(1, 1)
#define STHAL_PROP_API_CURRENT_VERSION STHAL_PROP_API_VERSION_1_1
#define ST_EVENT_CONFIG_MAX_STR_VALUE 32
#define ST_DEVICE_HANDSET_MIC 1
typedef enum {
ST_EVENT_SESSION_REGISTER,
ST_EVENT_SESSION_DEREGISTER,
ST_EVENT_START_KEEP_ALIVE,
ST_EVENT_STOP_KEEP_ALIVE,
ST_EVENT_UPDATE_ECHO_REF
} sound_trigger_event_type_t;
typedef enum {
AUDIO_EVENT_CAPTURE_DEVICE_INACTIVE,
AUDIO_EVENT_CAPTURE_DEVICE_ACTIVE,
AUDIO_EVENT_PLAYBACK_STREAM_INACTIVE,
AUDIO_EVENT_PLAYBACK_STREAM_ACTIVE,
AUDIO_EVENT_STOP_LAB,
AUDIO_EVENT_SSR,
AUDIO_EVENT_NUM_ST_SESSIONS,
AUDIO_EVENT_READ_SAMPLES,
AUDIO_EVENT_DEVICE_CONNECT,
AUDIO_EVENT_DEVICE_DISCONNECT,
AUDIO_EVENT_SVA_EXEC_MODE,
AUDIO_EVENT_SVA_EXEC_MODE_STATUS,
AUDIO_EVENT_CAPTURE_STREAM_INACTIVE,
AUDIO_EVENT_CAPTURE_STREAM_ACTIVE,
AUDIO_EVENT_BATTERY_STATUS_CHANGED,
AUDIO_EVENT_GET_PARAM,
AUDIO_EVENT_UPDATE_ECHO_REF
} audio_event_type_t;
typedef enum {
USECASE_TYPE_PCM_PLAYBACK,
USECASE_TYPE_PCM_CAPTURE,
USECASE_TYPE_VOICE_CALL,
USECASE_TYPE_VOIP_CALL,
} audio_stream_usecase_type_t;
typedef enum {
SND_CARD_STATUS_OFFLINE,
SND_CARD_STATUS_ONLINE,
CPE_STATUS_OFFLINE,
CPE_STATUS_ONLINE,
SLPI_STATUS_OFFLINE,
SLPI_STATUS_ONLINE
} ssr_event_status_t;
struct sound_trigger_session_info {
void* p_ses; /* opaque pointer to st_session obj */
int capture_handle;
struct pcm *pcm;
struct pcm_config config;
};
struct audio_read_samples_info {
struct sound_trigger_session_info *ses_info;
void *buf;
size_t num_bytes;
};
struct audio_hal_usecase {
audio_stream_usecase_type_t type;
};
struct sound_trigger_event_info {
struct sound_trigger_session_info st_ses;
bool st_ec_ref_enabled;
};
typedef struct sound_trigger_event_info sound_trigger_event_info_t;
struct sound_trigger_device_info {
int device;
};
struct sound_trigger_get_param_data {
char *param;
int sm_handle;
struct str_parms *reply;
};
struct audio_event_info {
union {
ssr_event_status_t status;
int value;
struct sound_trigger_session_info ses_info;
struct audio_read_samples_info aud_info;
char str_value[ST_EVENT_CONFIG_MAX_STR_VALUE];
struct audio_hal_usecase usecase;
bool audio_ec_ref_enabled;
struct sound_trigger_get_param_data st_get_param_data;
} u;
struct sound_trigger_device_info device_info;
};
typedef struct audio_event_info audio_event_info_t;
/* STHAL callback which is called by AHAL */
typedef int (*sound_trigger_hw_call_back_t)(audio_event_type_t,
struct audio_event_info*);
/*---------------- End: AHAL-STHAL Interface ----------------------------------*/
#ifdef DYNAMIC_LOG_ENABLED
#include <log_xml_parser.h>
#define LOG_MASK HAL_MOD_FILE_SND_TRIGGER
#include <log_utils.h>
#endif
#define XSTR(x) STR(x)
#define STR(x) #x
#define MAX_LIBRARY_PATH 100
#define DLSYM(handle, ptr, symbol, err) \
do {\
ptr = dlsym(handle, #symbol); \
if (ptr == NULL) {\
ALOGW("%s: %s not found. %s", __func__, #symbol, dlerror());\
err = -ENODEV;\
}\
} while(0)
#ifdef __LP64__
#define SOUND_TRIGGER_LIBRARY_PATH "/vendor/lib64/hw/sound_trigger.primary.%s.so"
#else
#define SOUND_TRIGGER_LIBRARY_PATH "/vendor/lib/hw/sound_trigger.primary.%s.so"
#endif
#define SVA_PARAM_DIRECTION_OF_ARRIVAL "st_direction_of_arrival"
#define SVA_PARAM_CHANNEL_INDEX "st_channel_index"
#define MAX_STR_LENGTH_FFV_PARAMS 30
#define MAX_FFV_SESSION_ID 100
/*
* Current proprietary API version used by AHAL. Queried by STHAL
* for compatibility check with AHAL
*/
const unsigned int sthal_prop_api_version = STHAL_PROP_API_CURRENT_VERSION;
struct sound_trigger_info {
struct sound_trigger_session_info st_ses;
bool lab_stopped;
struct listnode list;
};
struct sound_trigger_audio_device {
void *lib_handle;
struct audio_device *adev;
sound_trigger_hw_call_back_t st_callback;
struct listnode st_ses_list;
pthread_mutex_t lock;
unsigned int sthal_prop_api_version;
bool st_ec_ref_enabled;
};
static struct sound_trigger_audio_device *st_dev;
#if LINUX_ENABLED
static void get_library_path(char *lib_path)
{
snprintf(lib_path, MAX_LIBRARY_PATH,
"sound_trigger.primary.default.so");
}
#else
static void get_library_path(char *lib_path)
{
snprintf(lib_path, MAX_LIBRARY_PATH,
"/vendor/lib/hw/sound_trigger.primary.%s.so",
XSTR(SOUND_TRIGGER_PLATFORM_NAME));
}
#endif
static struct sound_trigger_info *
get_sound_trigger_info(int capture_handle)
{
struct sound_trigger_info *st_ses_info = NULL;
struct listnode *node;
ALOGV("%s: list empty %d capture_handle %d", __func__,
list_empty(&st_dev->st_ses_list), capture_handle);
list_for_each(node, &st_dev->st_ses_list) {
st_ses_info = node_to_item(node, struct sound_trigger_info , list);
if (st_ses_info->st_ses.capture_handle == capture_handle)
return st_ses_info;
}
return NULL;
}
static int populate_usecase(struct audio_hal_usecase *usecase,
struct audio_usecase *uc_info)
{
int status = 0;
switch(uc_info->type) {
case PCM_PLAYBACK:
if (uc_info->id == USECASE_AUDIO_PLAYBACK_VOIP)
usecase->type = USECASE_TYPE_VOIP_CALL;
else
usecase->type = USECASE_TYPE_PCM_PLAYBACK;
break;
case PCM_CAPTURE:
if (uc_info->id == USECASE_AUDIO_RECORD_VOIP)
usecase->type = USECASE_TYPE_VOIP_CALL;
else
usecase->type = USECASE_TYPE_PCM_CAPTURE;
break;
case VOICE_CALL:
usecase->type = USECASE_TYPE_VOICE_CALL;
break;
default:
ALOGE("%s: unsupported usecase type %d", __func__, uc_info->type);
status = -EINVAL;
}
return status;
}
static void stdev_snd_mon_cb(void * stream __unused, struct str_parms * parms)
{
if (!parms)
return;
audio_extn_sound_trigger_set_parameters(NULL, parms);
return;
}
int audio_hw_call_back(sound_trigger_event_type_t event,
sound_trigger_event_info_t* config)
{
int status = 0;
struct sound_trigger_info *st_ses_info;
if (!st_dev)
return -EINVAL;
pthread_mutex_lock(&st_dev->lock);
switch (event) {
case ST_EVENT_SESSION_REGISTER:
if (!config) {
ALOGE("%s: NULL config", __func__);
status = -EINVAL;
break;
}
st_ses_info= calloc(1, sizeof(struct sound_trigger_info ));
if (!st_ses_info) {
ALOGE("%s: st_ses_info alloc failed", __func__);
status = -ENOMEM;
break;
}
memcpy(&st_ses_info->st_ses, &config->st_ses, sizeof (struct sound_trigger_session_info));
ALOGV("%s: add capture_handle %d st session opaque ptr %p", __func__,
st_ses_info->st_ses.capture_handle, st_ses_info->st_ses.p_ses);
list_add_tail(&st_dev->st_ses_list, &st_ses_info->list);
break;
case ST_EVENT_START_KEEP_ALIVE:
pthread_mutex_unlock(&st_dev->lock);
pthread_mutex_lock(&st_dev->adev->lock);
audio_extn_keep_alive_start(KEEP_ALIVE_OUT_PRIMARY);
pthread_mutex_unlock(&st_dev->adev->lock);
goto done;
case ST_EVENT_SESSION_DEREGISTER:
if (!config) {
ALOGE("%s: NULL config", __func__);
status = -EINVAL;
break;
}
st_ses_info = get_sound_trigger_info(config->st_ses.capture_handle);
if (!st_ses_info) {
ALOGE("%s: st session opaque ptr %p not in the list!", __func__, config->st_ses.p_ses);
status = -EINVAL;
break;
}
ALOGV("%s: remove capture_handle %d st session opaque ptr %p", __func__,
st_ses_info->st_ses.capture_handle, st_ses_info->st_ses.p_ses);
list_remove(&st_ses_info->list);
free(st_ses_info);
break;
case ST_EVENT_STOP_KEEP_ALIVE:
pthread_mutex_unlock(&st_dev->lock);
pthread_mutex_lock(&st_dev->adev->lock);
audio_extn_keep_alive_stop(KEEP_ALIVE_OUT_PRIMARY);
pthread_mutex_unlock(&st_dev->adev->lock);
goto done;
case ST_EVENT_UPDATE_ECHO_REF:
if (!config) {
ALOGE("%s: NULL config", __func__);
status = -EINVAL;
break;
}
st_dev->st_ec_ref_enabled = config->st_ec_ref_enabled;
break;
default:
ALOGW("%s: Unknown event %d", __func__, event);
break;
}
pthread_mutex_unlock(&st_dev->lock);
done:
return status;
}
int audio_extn_sound_trigger_read(struct stream_in *in, void *buffer,
size_t bytes)
{
int ret = -1;
struct sound_trigger_info *st_info = NULL;
audio_event_info_t event;
if (!st_dev)
return ret;
if (!in->is_st_session_active) {
ALOGE(" %s: Sound trigger is not active", __func__);
goto exit;
}
pthread_mutex_lock(&st_dev->lock);
st_info = get_sound_trigger_info(in->capture_handle);
pthread_mutex_unlock(&st_dev->lock);
if (st_info) {
event.u.aud_info.ses_info = &st_info->st_ses;
event.u.aud_info.buf = buffer;
event.u.aud_info.num_bytes = bytes;
ret = st_dev->st_callback(AUDIO_EVENT_READ_SAMPLES, &event);
}
exit:
if (ret) {
if (-ENETRESET == ret)
in->is_st_session_active = false;
memset(buffer, 0, bytes);
ALOGV("%s: read failed status %d - sleep", __func__, ret);
usleep((bytes * 1000000) / (audio_stream_in_frame_size((struct audio_stream_in *)in) *
in->config.rate));
}
return ret;
}
void audio_extn_sound_trigger_stop_lab(struct stream_in *in)
{
struct sound_trigger_info *st_ses_info = NULL;
audio_event_info_t event;
if (!st_dev || !in || !in->is_st_session_active)
return;
pthread_mutex_lock(&st_dev->lock);
st_ses_info = get_sound_trigger_info(in->capture_handle);
pthread_mutex_unlock(&st_dev->lock);
if (st_ses_info) {
event.u.ses_info = st_ses_info->st_ses;
ALOGV("%s: AUDIO_EVENT_STOP_LAB st sess %p", __func__, st_ses_info->st_ses.p_ses);
st_dev->st_callback(AUDIO_EVENT_STOP_LAB, &event);
in->is_st_session_active = false;
}
}
void audio_extn_sound_trigger_check_and_get_session(struct stream_in *in)
{
struct sound_trigger_info *st_ses_info = NULL;
struct listnode *node;
if (!st_dev || !in)
return;
pthread_mutex_lock(&st_dev->lock);
in->is_st_session = false;
ALOGV("%s: list %d capture_handle %d", __func__,
list_empty(&st_dev->st_ses_list), in->capture_handle);
list_for_each(node, &st_dev->st_ses_list) {
st_ses_info = node_to_item(node, struct sound_trigger_info , list);
if (st_ses_info->st_ses.capture_handle == in->capture_handle) {
in->config = st_ses_info->st_ses.config;
in->channel_mask = audio_channel_in_mask_from_count(in->config.channels);
in->is_st_session = true;
in->is_st_session_active = true;
ALOGD("%s: capture_handle %d is sound trigger", __func__, in->capture_handle);
break;
}
}
pthread_mutex_unlock(&st_dev->lock);
}
bool is_same_as_st_device(snd_device_t snd_device)
{
if (snd_device == SND_DEVICE_IN_HANDSET_MIC_AEC ||
snd_device == SND_DEVICE_IN_HANDSET_MIC ||
snd_device == SND_DEVICE_IN_HANDSET_MIC_AEC_NS ||
snd_device == SND_DEVICE_IN_SPEAKER_MIC ||
snd_device == SND_DEVICE_IN_VOICE_SPEAKER_MIC ||
snd_device == SND_DEVICE_IN_SPEAKER_MIC_AEC ||
snd_device == SND_DEVICE_IN_SPEAKER_MIC_AEC_NS ||
snd_device == SND_DEVICE_IN_SPEAKER_MIC_NS) {
ALOGD("audio HAL using same device %d as ST", snd_device);
return true;
}
return false;
}
bool audio_extn_sound_trigger_check_ec_ref_enable()
{
bool ret = false;
if (!st_dev) {
ALOGE("%s: st_dev NULL", __func__);
return ret;
}
pthread_mutex_lock(&st_dev->lock);
if (st_dev->st_ec_ref_enabled) {
ret = true;
ALOGD("%s: EC Reference is enabled", __func__);
} else {
ALOGD("%s: EC Reference is disabled", __func__);
}
pthread_mutex_unlock(&st_dev->lock);
return ret;
}
void audio_extn_sound_trigger_update_ec_ref_status(bool on)
{
struct audio_event_info ev_info;
if (!st_dev) {
ALOGE("%s: st_dev NULL", __func__);
return;
}
ev_info.u.audio_ec_ref_enabled = on;
st_dev->st_callback(AUDIO_EVENT_UPDATE_ECHO_REF, &ev_info);
ALOGD("%s: update audio echo ref status %s",__func__,
ev_info.u.audio_ec_ref_enabled == true ? "true" : "false");
}
void audio_extn_sound_trigger_update_device_status(snd_device_t snd_device,
st_event_type_t event)
{
bool raise_event = false;
int device_type = -1;
if (!st_dev)
return;
if (snd_device >= SND_DEVICE_OUT_BEGIN &&
snd_device < SND_DEVICE_OUT_END)
device_type = PCM_PLAYBACK;
else if (snd_device >= SND_DEVICE_IN_BEGIN &&
snd_device < SND_DEVICE_IN_END)
device_type = PCM_CAPTURE;
else {
ALOGE("%s: invalid device 0x%x, for event %d",
__func__, snd_device, event);
return;
}
raise_event = platform_sound_trigger_device_needs_event(snd_device);
ALOGI("%s: device 0x%x of type %d for Event %d, with Raise=%d",
__func__, snd_device, device_type, event, raise_event);
if (raise_event && (device_type == PCM_CAPTURE)) {
switch(event) {
case ST_EVENT_SND_DEVICE_FREE:
st_dev->st_callback(AUDIO_EVENT_CAPTURE_DEVICE_INACTIVE, NULL);
break;
case ST_EVENT_SND_DEVICE_BUSY:
st_dev->st_callback(AUDIO_EVENT_CAPTURE_DEVICE_ACTIVE, NULL);
break;
default:
ALOGW("%s:invalid event %d for device 0x%x",
__func__, event, snd_device);
}
}/*Events for output device, if required can be placed here in else*/
}
void audio_extn_sound_trigger_update_stream_status(struct audio_usecase *uc_info,
st_event_type_t event)
{
bool raise_event = false;
struct audio_event_info ev_info;
audio_event_type_t ev;
/*Initialize to invalid device*/
ev_info.device_info.device = -1;
if (!st_dev)
return;
if (uc_info == NULL) {
ALOGE("%s: usecase is NULL!!!", __func__);
return;
}
if ((st_dev->sthal_prop_api_version < STHAL_PROP_API_VERSION_1_0) &&
(uc_info->type != PCM_PLAYBACK))
return;
if ((uc_info->in_snd_device >= SND_DEVICE_IN_BEGIN &&
uc_info->in_snd_device < SND_DEVICE_IN_END)) {
if (is_same_as_st_device(uc_info->in_snd_device))
ev_info.device_info.device = ST_DEVICE_HANDSET_MIC;
} else {
ALOGE("%s: invalid input device 0x%x, for event %d",
__func__, uc_info->in_snd_device, event);
}
raise_event = platform_sound_trigger_usecase_needs_event(uc_info->id);
ALOGD("%s: uc_info->id %d of type %d for Event %d, with Raise=%d",
__func__, uc_info->id, uc_info->type, event, raise_event);
if (raise_event) {
if (uc_info->type == PCM_PLAYBACK) {
if (uc_info->stream.out)
ev_info.device_info.device = uc_info->stream.out->devices;
else
ev_info.device_info.device = AUDIO_DEVICE_OUT_SPEAKER;
switch(event) {
case ST_EVENT_STREAM_FREE:
st_dev->st_callback(AUDIO_EVENT_PLAYBACK_STREAM_INACTIVE, &ev_info);
break;
case ST_EVENT_STREAM_BUSY:
st_dev->st_callback(AUDIO_EVENT_PLAYBACK_STREAM_ACTIVE, &ev_info);
break;
default:
ALOGW("%s:invalid event %d, for usecase %d",
__func__, event, uc_info->id);
}
} else if ((uc_info->type == PCM_CAPTURE) || (uc_info->type == VOICE_CALL)) {
if (event == ST_EVENT_STREAM_BUSY)
ev = AUDIO_EVENT_CAPTURE_STREAM_ACTIVE;
else
ev = AUDIO_EVENT_CAPTURE_STREAM_INACTIVE;
if (!populate_usecase(&ev_info.u.usecase, uc_info)) {
ALOGD("%s: send event %d: usecase id %d, type %d",
__func__, ev, uc_info->id, uc_info->type);
st_dev->st_callback(ev, &ev_info);
}
}
}
}
void audio_extn_sound_trigger_update_battery_status(bool charging)
{
struct audio_event_info ev_info;
if (!st_dev || st_dev->sthal_prop_api_version < STHAL_PROP_API_VERSION_1_0)
return;
ev_info.u.value = charging;
st_dev->st_callback(AUDIO_EVENT_BATTERY_STATUS_CHANGED, &ev_info);
}
void audio_extn_sound_trigger_set_parameters(struct audio_device *adev __unused,
struct str_parms *params)
{
audio_event_info_t event;
char value[32];
int ret, val;
if(!st_dev || !params) {
ALOGE("%s: str_params NULL", __func__);
return;
}
ret = str_parms_get_str(params, "SND_CARD_STATUS", value,
sizeof(value));
if (ret > 0) {
if (strstr(value, "OFFLINE")) {
event.u.status = SND_CARD_STATUS_OFFLINE;
st_dev->st_callback(AUDIO_EVENT_SSR, &event);
}
else if (strstr(value, "ONLINE")) {
event.u.status = SND_CARD_STATUS_ONLINE;
st_dev->st_callback(AUDIO_EVENT_SSR, &event);
}
else
ALOGE("%s: unknown snd_card_status", __func__);
}
ret = str_parms_get_str(params, "CPE_STATUS", value, sizeof(value));
if (ret > 0) {
if (strstr(value, "OFFLINE")) {
event.u.status = CPE_STATUS_OFFLINE;
st_dev->st_callback(AUDIO_EVENT_SSR, &event);
}
else if (strstr(value, "ONLINE")) {
event.u.status = CPE_STATUS_ONLINE;
st_dev->st_callback(AUDIO_EVENT_SSR, &event);
}
else
ALOGE("%s: unknown CPE status", __func__);
}
ret = str_parms_get_int(params, "SVA_NUM_SESSIONS", &val);
if (ret >= 0) {
event.u.value = val;
st_dev->st_callback(AUDIO_EVENT_NUM_ST_SESSIONS, &event);
}
ret = str_parms_get_int(params, AUDIO_PARAMETER_DEVICE_CONNECT, &val);
if ((ret >= 0) && (audio_is_input_device(val) ||
(val == AUDIO_DEVICE_OUT_LINE))) {
event.u.value = val;
st_dev->st_callback(AUDIO_EVENT_DEVICE_CONNECT, &event);
}
ret = str_parms_get_int(params, AUDIO_PARAMETER_DEVICE_DISCONNECT, &val);
if ((ret >= 0) && (audio_is_input_device(val) ||
(val == AUDIO_DEVICE_OUT_LINE))) {
event.u.value = val;
st_dev->st_callback(AUDIO_EVENT_DEVICE_DISCONNECT, &event);
}
ret = str_parms_get_str(params, "SVA_EXEC_MODE", value, sizeof(value));
if (ret >= 0) {
strlcpy(event.u.str_value, value, sizeof(event.u.str_value));
st_dev->st_callback(AUDIO_EVENT_SVA_EXEC_MODE, &event);
}
ret = str_parms_get_str(params, "SLPI_STATUS", value, sizeof(value));
if (ret > 0) {
if (strstr(value, "OFFLINE")) {
event.u.status = SLPI_STATUS_OFFLINE;
st_dev->st_callback(AUDIO_EVENT_SSR, &event);
} else if (strstr(value, "ONLINE")) {
event.u.status = SLPI_STATUS_ONLINE;
st_dev->st_callback(AUDIO_EVENT_SSR, &event);
} else
ALOGE("%s: unknown SLPI status", __func__);
}
}
static int extract_sm_handle(const char *keys, char *paramstr) {
char *tmpstr, *token;
char *inputstr = NULL;
int value = -EINVAL;
if (keys == NULL || paramstr == NULL)
goto exit;
inputstr = strdup(keys);
token =strtok_r(inputstr,":", &tmpstr);
if (token == NULL)
goto exit;
ALOGD("%s input string <%s> param string <%s>", __func__, keys,token);
strlcpy(paramstr, token, MAX_STR_LENGTH_FFV_PARAMS);
token =strtok_r(NULL,":=",&tmpstr);
if (token == NULL)
goto exit;
value = atoi(token);
if (value > 0 && value < MAX_FFV_SESSION_ID)
ALOGD(" %s SVA sm handle<=%d>",__func__, value);
exit:
if (inputstr != NULL)
free(inputstr);
return value;
}
void audio_extn_sound_trigger_get_parameters(const struct audio_device *adev __unused,
struct str_parms *query,
struct str_parms *reply)
{
audio_event_info_t event;
int ret;
char value[32], paramstr[MAX_STR_LENGTH_FFV_PARAMS];
ALOGD("%s input string<%s>", __func__, str_parms_to_str(query));
ret = str_parms_get_str(query, "SVA_EXEC_MODE_STATUS", value,
sizeof(value));
if (ret >= 0) {
st_dev->st_callback(AUDIO_EVENT_SVA_EXEC_MODE_STATUS, &event);
str_parms_add_int(reply, "SVA_EXEC_MODE_STATUS", event.u.value);
}
ret = extract_sm_handle(str_parms_to_str(query), paramstr);
if ((ret >= 0) && !strncmp(paramstr, SVA_PARAM_DIRECTION_OF_ARRIVAL,
MAX_STR_LENGTH_FFV_PARAMS)) {
event.u.st_get_param_data.sm_handle = ret;
event.u.st_get_param_data.param = SVA_PARAM_DIRECTION_OF_ARRIVAL;
event.u.st_get_param_data.reply = reply;
st_dev->st_callback(AUDIO_EVENT_GET_PARAM, &event);
} else if ((ret >=0) && !strncmp(paramstr, SVA_PARAM_CHANNEL_INDEX,
MAX_STR_LENGTH_FFV_PARAMS)) {
event.u.st_get_param_data.sm_handle = ret;
event.u.st_get_param_data.param = SVA_PARAM_CHANNEL_INDEX;
event.u.st_get_param_data.reply = reply;
st_dev->st_callback(AUDIO_EVENT_GET_PARAM, &event);
}
}
int audio_extn_sound_trigger_init(struct audio_device *adev)
{
int status = 0;
char sound_trigger_lib[100];
void *sthal_prop_api_version;
ALOGI("%s: Enter", __func__);
st_dev = (struct sound_trigger_audio_device*)
calloc(1, sizeof(struct sound_trigger_audio_device));
if (!st_dev) {
ALOGE("%s: ERROR. sound trigger alloc failed", __func__);
return -ENOMEM;
}
get_library_path(sound_trigger_lib);
st_dev->lib_handle = dlopen(sound_trigger_lib, RTLD_NOW);
if (st_dev->lib_handle == NULL) {
ALOGE("%s: error %s", __func__, dlerror());
status = -ENODEV;
goto cleanup;
}
ALOGI("%s: DLOPEN successful for %s", __func__, sound_trigger_lib);
DLSYM(st_dev->lib_handle, st_dev->st_callback, sound_trigger_hw_call_back,
status);
if (status)
goto cleanup;
DLSYM(st_dev->lib_handle, sthal_prop_api_version,
sthal_prop_api_version, status);
if (status) {
st_dev->sthal_prop_api_version = 0;
status = 0; /* passthru for backward compability */
} else {
if (sthal_prop_api_version != NULL) {
st_dev->sthal_prop_api_version = *(int*)sthal_prop_api_version;
}
if (MAJOR_VERSION(st_dev->sthal_prop_api_version) !=
MAJOR_VERSION(STHAL_PROP_API_CURRENT_VERSION)) {
ALOGE("%s: Incompatible API versions ahal:0x%x != sthal:0x%x",
__func__, STHAL_PROP_API_CURRENT_VERSION,
st_dev->sthal_prop_api_version);
goto cleanup;
}
ALOGD("%s: sthal is using proprietary API version 0x%04x", __func__,
st_dev->sthal_prop_api_version);
}
st_dev->adev = adev;
st_dev->st_ec_ref_enabled = false;
list_init(&st_dev->st_ses_list);
audio_extn_snd_mon_register_listener(st_dev, stdev_snd_mon_cb);
return 0;
cleanup:
if (st_dev->lib_handle)
dlclose(st_dev->lib_handle);
free(st_dev);
st_dev = NULL;
return status;
}
void audio_extn_sound_trigger_deinit(struct audio_device *adev)
{
ALOGI("%s: Enter", __func__);
if (st_dev && (st_dev->adev == adev) && st_dev->lib_handle) {
audio_extn_snd_mon_unregister_listener(st_dev);
dlclose(st_dev->lib_handle);
free(st_dev);
st_dev = NULL;
}
}
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