Gitiles
Code Review Sign In
LeafOS / LeafOS-Project / android_vendor_qcom_opensource_audio-hal_st-hal / b07d0c5c331a764180e4c5035249cb669410c5ef / . / sound_trigger_hw.c
blob: 38b76558287e08de0099cca95d0331d8283cae82 [file] [log] [blame]
/* sound_trigger_hw.c
*
* This file contains the API to load sound models with
* DSP and start/stop detection of associated key phrases.
*
* Copyright (c) 2013-2021, 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.
*
* Not a Contribution.
*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
*/
#define LOG_TAG "sound_trigger_hw"
#define ATRACE_TAG (ATRACE_TAG_HAL)
/* #define LOG_NDEBUG 0 */
#define LOG_NDDEBUG 0
#include <errno.h>
#include <stdlib.h>
#include <dlfcn.h>
#include <fcntl.h>
#include <sys/resource.h>
#include <sys/prctl.h>
#include <sys/ioctl.h>
#include <cutils/log.h>
#include <cutils/atomic.h>
#include <cutils/trace.h>
#include <system/thread_defs.h>
#include <hardware/sound_trigger.h>
#include <cutils/str_parms.h>
#include "st_common_defs.h"
#include "sound_trigger_platform.h"
#include "sound_trigger_hw.h"
#include "st_session.h"
#include "st_hw_common.h"
#include "st_hw_extn.h"
#include "st_hw_defs.h"
#define XSTR(x) STR(x)
#define STR(x) #x
/* count of sound trigger hal clients */
static unsigned int stdev_ref_cnt = 0;
static pthread_mutex_t stdev_init_lock;
static struct sound_trigger_device *stdev = NULL;
static struct sound_trigger_properties_extended_1_3 hw_properties_extended;
/* default properties which will later be updated based on platform configuration */
static struct sound_trigger_properties hw_properties = {
"QUALCOMM Technologies, Inc", // implementor
"Sound Trigger HAL", // description
1, // version
{ 0x68ab2d40, 0xe860, 0x11e3, 0x95ef, { 0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b } }, // uuid
1, // max_sound_models
1, // max_key_phrases
1, // max_users
RECOGNITION_MODE_VOICE_TRIGGER | RECOGNITION_MODE_GENERIC_TRIGGER, // recognition_modes
true, // capture_transition
0, // max_capture_ms
false, // concurrent_capture
false, //trigger_in_event
0 // power_consumption_mw
};
/* vendor uuid that the client passes for LPMA feature */
static const sound_trigger_uuid_t lpma_uuid =
{ 0x57CADDB1, 0xACDB, 0x4DCE, 0x8CB0, { 0x2E, 0x95, 0xA2, 0x31, 0x3A, 0xEE } };
static void update_available_phrase_info(st_session_t *p_ses,
struct sound_trigger_phrase_sound_model *phrase_sm,
bool add);
static int stdev_reconfig_backend_on_stop(st_session_t *stopped_ses);
static int stop_recognition_l(st_session_t *st_session)
{
int status = 0;
st_session_stop_lab(st_session);
status = st_session_stop(st_session);
pthread_mutex_lock(&st_session->lock);
st_session->callback = NULL;
if (st_session->rc_config) {
free(st_session->rc_config);
st_session->rc_config = NULL;
}
if (st_session->st_conf_levels) {
free(st_session->st_conf_levels);
st_session->st_conf_levels = NULL;
}
pthread_mutex_unlock(&st_session->lock);
stdev_reconfig_backend_on_stop(st_session);
return status;
}
void update_hw_mad_exec_mode(st_exec_mode_t mode, st_profile_type_t profile_type)
{
if (stdev->exec_mode != mode) {
platform_stdev_connect_mad(stdev->platform, mode, profile_type);
stdev->exec_mode = mode;
ALOGV("%s: new exec_mode 0x%x", __func__, mode);
}
}
unsigned int get_num_sessions()
{
struct listnode *ses_node;
st_session_t *p_ses;
unsigned int num_sessions = 0;
if ((list_head(&stdev->sound_model_list) == NULL) ||
(list_tail(&stdev->sound_model_list) == NULL)) {
ALOGE("%s: sound model list is yet to be initialized", __func__);
return num_sessions;
}
list_for_each(ses_node, &stdev->sound_model_list) {
p_ses = node_to_item(ses_node, st_session_t, list_node);
num_sessions++;
}
return num_sessions;
}
unsigned int get_num_sessions_in_exec_mode(st_exec_mode_t mode)
{
struct listnode *ses_node;
st_session_t *p_ses;
unsigned int num_sessions = 0;
if ((list_head(&stdev->sound_model_list) == NULL) ||
(list_tail(&stdev->sound_model_list) == NULL)) {
ALOGE("%s: sound model list is yet to be initialized", __func__);
return num_sessions;
}
list_for_each(ses_node, &stdev->sound_model_list) {
p_ses = node_to_item(ses_node, st_session_t, list_node);
if (p_ses->exec_mode == mode)
num_sessions++;
}
return num_sessions;
}
static bool check_phrases_users_available(struct st_vendor_info *v_info,
unsigned int num_phrases, unsigned int num_users,
st_exec_mode_t exec_mode, bool transit)
{
bool available = false;
if (!v_info) {
ALOGE("%s: NULL vendor info", __func__);
return false;
}
if (!transit) {
if (exec_mode == ST_EXEC_MODE_CPE) {
if ((num_phrases <= v_info->avail_cpe_phrases) &&
(num_users <= v_info->avail_cpe_users))
available = true;
}
if (exec_mode == ST_EXEC_MODE_ADSP) {
if ((num_phrases <= v_info->avail_ape_phrases) &&
(num_users <= v_info->avail_ape_users))
available = true;
}
} else {
if (exec_mode == ST_EXEC_MODE_CPE) {
if ((num_phrases <= v_info->avail_transit_cpe_phrases) &&
(num_users <= v_info->avail_transit_cpe_users))
available = true;
}
if (exec_mode == ST_EXEC_MODE_ADSP) {
if ((num_phrases <= v_info->avail_transit_ape_phrases) &&
(num_users <= v_info->avail_transit_ape_users))
available = true;
}
}
ALOGV("%s: exec mode %d, transit %d, available %d",
__func__, exec_mode, transit, available);
return available;
}
static int parse_exec_mode_config(char *value,
st_exec_mode_t *exec_mode,
sound_model_handle_t *sm_handle)
{
int ret = -EINVAL;
char *id, *test_r;
if (!value || !exec_mode || !sm_handle) {
ALOGE("%s: Invalid params passed", __func__);
return ret;
}
/*
* <exec_mode>,<sound_model_handle>
* sound model handle is optional. Valid set param values are:
* 1. "0" -> exec mode is set and sound model handle to default value 0
* 2. "1,2" -> exec mode and sound model handle are set to passed values
* sound model handle as 0 is treated as a global set parameter.
*/
id = strtok_r(value, ", ", &test_r);
if (!id) {
ALOGE("%s: incorrect exec mode passed", __func__);
return ret;
}
*exec_mode = atoi(id);
id = strtok_r(NULL, ", ", &test_r);
if (!id) {
ALOGD("%s: No session id passed, treat as global set param", __func__);
*sm_handle = 0;
} else {
*sm_handle = atoi(id);
}
ALOGD("%s: mode %d, sm handle %d", __func__, *exec_mode, *sm_handle);
return 0;
}
static bool is_any_session_buffering()
{
struct listnode *p_ses_node;
st_session_t *p_ses;
list_for_each(p_ses_node, &stdev->sound_model_list) {
p_ses = node_to_item(p_ses_node, st_session_t, list_node);
if (st_session_is_buffering(p_ses)) {
ALOGD("%s:[%d] session is buffering", __func__, p_ses->sm_handle);
stdev->is_buffering = true;
return true;
}
}
return false;
}
static bool is_any_session_ssr_state()
{
struct listnode *p_ses_node;
st_session_t *p_ses;
list_for_each(p_ses_node, &stdev->sound_model_list) {
p_ses = node_to_item(p_ses_node, st_session_t, list_node);
if (st_session_is_ssr_state(p_ses)) {
ALOGD("%s:[%d] session is in ssr state", __func__, p_ses->sm_handle);
return true;
}
}
return false;
}
static int check_and_transit_cpe_ses_to_ape(st_session_t *cur_ses)
{
st_session_t *p_ses = NULL;
struct listnode *node = NULL;
unsigned int num_sessions = 0;
struct st_vendor_info *ses_v_info = NULL;
struct listnode transit_sound_model_list;
int ret = -EINVAL;
/* Switch sessions from CPE to ADSP
* 1. If cur_ses is NULL, all existing sessions are switched to ADSP.
* 2. If cur_ses is valid, cur_ses is the session requested to transit.
* In such cases, switch sessions if they share same backend with
* cur_ses.
*/
ALOGD("%s: enter: current ses %p", __func__, cur_ses);
if (stdev->platform_lpi_enable != ST_PLATFORM_LPI_NONE) {
ret = 0;
goto exit;
}
if (0 == get_num_sessions_in_exec_mode(ST_EXEC_MODE_CPE)) {
ret = 0;
goto exit;
}
if (cur_ses && (cur_ses->exec_mode != ST_EXEC_MODE_CPE)) {
ALOGE("%s: Invalid mode set for current session %d",
__func__, cur_ses->exec_mode);
goto exit;
}
/* Initialize transit ape phrases/users for all CPE sessions */
list_for_each(node, &stdev->sound_model_list) {
p_ses = node_to_item(node, st_session_t, list_node);
if (p_ses->exec_mode == ST_EXEC_MODE_CPE) {
ses_v_info = p_ses->vendor_uuid_info;
ses_v_info->avail_transit_ape_phrases = ses_v_info->avail_ape_phrases;
ses_v_info->avail_transit_ape_users = ses_v_info->avail_ape_users;
}
}
list_init(&transit_sound_model_list);
/*
* check if the existing CPE sessions can be moved to ADSP
* Add sessions to be switched to transit list.
*/
list_for_each(node, &stdev->sound_model_list) {
p_ses = node_to_item(node, st_session_t, list_node);
if (p_ses->exec_mode == ST_EXEC_MODE_CPE) {
/* check for sessions to keep on WDSP mode if requested by APP */
if (ST_DET_LOW_POWER_MODE == p_ses->client_req_det_mode) {
ALOGV("%s:[%d] session is requested on WDSP mode, skip",
__func__, p_ses->sm_handle);
continue;
}
/* check for sessions that match backend with current session */
if (cur_ses && (cur_ses != p_ses) &&
!platform_stdev_check_backends_match(stdev->platform,
cur_ses->exec_mode,
cur_ses->hw_proxy_ses->hw_ses_current->st_device,
p_ses->exec_mode,
p_ses->hw_proxy_ses->hw_ses_current->st_device)) {
ALOGV("%s:[%d] session not sharing backend",
__func__, p_ses->sm_handle);
continue;
}
if (++num_sessions > stdev->max_ape_sessions) {
ALOGE("%s: ERROR. sessions exceed max supported", __func__);
goto exit;
}
ses_v_info = p_ses->vendor_uuid_info;
if (ses_v_info->exec_mode_cfg != EXEC_MODE_CFG_DYNAMIC) {
ALOGE("%s:[%d] ERROR. exec mode cfg %d not set to Dynamic",
__func__, p_ses->sm_handle, ses_v_info->exec_mode_cfg);
goto exit;
}
if (p_ses->sm_type == SOUND_MODEL_TYPE_KEYPHRASE) {
if (check_phrases_users_available(ses_v_info, p_ses->num_phrases,
p_ses->num_users, ST_EXEC_MODE_ADSP, true)) {
ses_v_info->avail_transit_ape_phrases -= p_ses->num_phrases;
ses_v_info->avail_transit_ape_users -= p_ses->num_users;
} else {
ALOGE("%s: ERROR. phrases/users exceed max supported", __func__);
goto exit;
}
}
/* Add the session to transit sound models list */
list_add_tail(&transit_sound_model_list,
&p_ses->transit_list_node);
}
}
ALOGV("%s: transit list empty: %s", __func__,
list_empty(&transit_sound_model_list) ? "true" : "false");
/*
* During switching, below order is followed to ensure teardown
* of all sessions happens first and then are started in new exec mode.
* This helps avoid issues during multisession backend switching.
* 1. Teardown the sessions by calling set_exec_mode with NONE.
* 2. Bring up the sessions in ADSP mode.
*/
/* Move sessions present in transit sound model list to NONE */
list_for_each(node, &transit_sound_model_list) {
p_ses = node_to_item(node, st_session_t, transit_list_node);
if (p_ses->sm_type == SOUND_MODEL_TYPE_KEYPHRASE)
update_available_phrase_info(p_ses, p_ses->phrase_sm, true);
ALOGD("%s:[%d] switch session to NONE", __func__, p_ses->sm_handle);
ret = st_session_set_exec_mode(p_ses, ST_EXEC_MODE_NONE);
if (ret) {
if (stdev->ssr_offline_received) {
goto ssr_exit;
} else {
/* TODO: Handle error during transitions */
ALOGE("%s:[%d] ERROR. could not set NONE", __func__, p_ses->sm_handle);
goto exit;
}
}
}
/* Move sessions present in transit sound model list to ADSP */
list_for_each(node, &transit_sound_model_list) {
p_ses = node_to_item(node, st_session_t, transit_list_node);
ALOGD("%s:[%d] switch session to ADSP mode", __func__, p_ses->sm_handle);
ret = st_session_set_exec_mode(p_ses, ST_EXEC_MODE_ADSP);
if (ret) {
if (stdev->ssr_offline_received) {
goto ssr_exit;
} else {
/* TODO: Handle error during transitions */
ALOGE("%s:[%d] ERROR. could not set ADSP mode", __func__, p_ses->sm_handle);
goto exit;
}
}
if (p_ses->sm_type == SOUND_MODEL_TYPE_KEYPHRASE)
update_available_phrase_info(p_ses, p_ses->phrase_sm, false);
}
ssr_exit:
/* Set target exec mode to be used during ssr online handling */
list_for_each(node, &transit_sound_model_list) {
p_ses = node_to_item(node, st_session_t, transit_list_node);
p_ses->ssr_transit_exec_mode = ST_EXEC_MODE_ADSP;
}
sthw_extn_lpma_notify_event(LPMA_EVENT_TRANSIT_CPE_TO_APE);
exit:
ALOGD("%s: exit: ret %d", __func__, ret);
return ret;
}
static int check_and_transit_ape_ses_to_cpe(st_session_t *cur_ses)
{
st_session_t *p_ses = NULL;
struct listnode *node;
unsigned int num_sessions = 0, max_sessions;
struct st_vendor_info *ses_v_info = NULL;
struct listnode transit_sound_model_list;
int ret = -EINVAL;
/* Switch sessions from ADSP to CPE
* 1. If cur_ses is NULL, all existing sessions are switched to CPE.
* 2. If cur_ses is valid, cur_ses is the session requested to transit.
* In such cases, switch sessions if they share same backend with
* cur_ses.
*/
ALOGD("%s: enter: current ses %p", __func__, cur_ses);
if (stdev->platform_lpi_enable != ST_PLATFORM_LPI_NONE) {
ret = 0;
goto exit;
}
if (0 == get_num_sessions_in_exec_mode(ST_EXEC_MODE_ADSP)) {
ret = 0;
goto exit;
}
if (cur_ses && (cur_ses->exec_mode != ST_EXEC_MODE_ADSP)) {
ALOGE("%s: Invalid mode set for current session %d",
__func__, cur_ses->exec_mode);
goto exit;
}
max_sessions = stdev->max_wdsp_sessions;
/* Initialize transit cpe phrases/users for all ADSP sessions */
list_for_each(node, &stdev->sound_model_list) {
p_ses = node_to_item(node, st_session_t, list_node);
if (p_ses->exec_mode == ST_EXEC_MODE_ADSP) {
ses_v_info = p_ses->vendor_uuid_info;
ses_v_info->avail_transit_cpe_phrases = ses_v_info->avail_cpe_phrases;
ses_v_info->avail_transit_cpe_users = ses_v_info->avail_cpe_users;
}
}
list_init(&transit_sound_model_list);
/*
* check if the existing ADSP sessions can be moved to CPE
* Add sessions to be switched to transit list.
*/
list_for_each(node, &stdev->sound_model_list) {
p_ses = node_to_item(node, st_session_t, list_node);
if (p_ses->exec_mode == ST_EXEC_MODE_ADSP) {
/* check for sessions to keep on ADSP mode if requested by APP */
if (ST_DET_HIGH_PERF_MODE == p_ses->client_req_det_mode) {
ALOGV("%s:[%d] session is requested on ADSP mode, skip",
__func__, p_ses->sm_handle);
continue;
}
/* check for sessions that match backend with current session */
if (cur_ses && (cur_ses != p_ses) &&
!platform_stdev_check_backends_match(stdev->platform,
cur_ses->exec_mode,
cur_ses->hw_proxy_ses->hw_ses_current->st_device,
p_ses->exec_mode,
p_ses->hw_proxy_ses->hw_ses_current->st_device)) {
ALOGV("%s:[%d] session not sharing backend",
__func__, p_ses->sm_handle);
continue;
}
if (++num_sessions > max_sessions) {
ALOGE("%s: ERROR. sessions exceed max supported", __func__);
goto exit;
}
ses_v_info = p_ses->vendor_uuid_info;
if (ses_v_info->exec_mode_cfg != EXEC_MODE_CFG_DYNAMIC) {
ALOGE("%s: [%d] ERROR. exec mode cfg %d not set to Dynamic",
__func__, p_ses->sm_handle, ses_v_info->exec_mode_cfg);
goto exit;
}
if (p_ses->sm_type == SOUND_MODEL_TYPE_KEYPHRASE) {
if (check_phrases_users_available(ses_v_info, p_ses->num_phrases,
p_ses->num_users, ST_EXEC_MODE_CPE, true)) {
ses_v_info->avail_transit_cpe_phrases -= p_ses->num_phrases;
ses_v_info->avail_transit_cpe_users -= p_ses->num_users;
} else {
ALOGE("%s: ERROR. phrases/users exceed max supported", __func__);
goto exit;
}
}
/* Add the session to transit sound models list */
list_add_tail(&transit_sound_model_list,
&p_ses->transit_list_node);
}
}
ALOGV("%s: transit list empty: %s", __func__,
list_empty(&transit_sound_model_list) ? "true" : "false");
/*
* During switching, below order is followed to ensure teardown
* of all sessions happens first and then are started in new exec mode.
* This helps avoid issues during multisession backend switching.
* 1. Teardown the sessions by calling set_exec_mode with NONE.
* 2. Bring up the sessions in CPE mode.
*/
/* Move sessions present in transit sound model list to NONE */
list_for_each(node, &transit_sound_model_list) {
p_ses = node_to_item(node, st_session_t, transit_list_node);
if (p_ses->sm_type == SOUND_MODEL_TYPE_KEYPHRASE)
update_available_phrase_info(p_ses, p_ses->phrase_sm, true);
ALOGD("%s:[%d] switch session to NONE", __func__, p_ses->sm_handle);
ret = st_session_set_exec_mode(p_ses, ST_EXEC_MODE_NONE);
if (ret) {
if (stdev->ssr_offline_received) {
goto ssr_exit;
} else {
/* TODO: Handle error during transitions */
ALOGE("%s:[%d] ERROR. could not set NONE", __func__, p_ses->sm_handle);
goto exit;
}
}
}
/* Move sessions present in transit sound model list to CPE */
list_for_each(node, &transit_sound_model_list) {
p_ses = node_to_item(node, st_session_t, transit_list_node);
ALOGD("%s:[%d] switch session to CPE mode", __func__, p_ses->sm_handle);
ret = st_session_set_exec_mode(p_ses, ST_EXEC_MODE_CPE);
if (ret) {
if (stdev->ssr_offline_received) {
goto ssr_exit;
} else {
/* TODO: Handle error during transitions */
ALOGE("%s:[%d] ERROR. could not set CPE mode", __func__, p_ses->sm_handle);
goto exit;
}
}
if (p_ses->sm_type == SOUND_MODEL_TYPE_KEYPHRASE)
update_available_phrase_info(p_ses, p_ses->phrase_sm, false);
}
ssr_exit:
/* Set target exec mode to be used during ssr online handling */
list_for_each(node, &transit_sound_model_list) {
p_ses = node_to_item(node, st_session_t, transit_list_node);
p_ses->ssr_transit_exec_mode = ST_EXEC_MODE_CPE;
}
sthw_extn_lpma_notify_event(LPMA_EVENT_TRANSIT_APE_TO_CPE);
exit:
ALOGD("%s: exit: ret %d", __func__, ret);
return ret;
}
static void notify_ssr_to_lpma(enum ssr_event_status event)
{
enum sthw_extn_lpma_event_type lpma_event;
switch (event) {
case CPE_STATUS_OFFLINE:
lpma_event = LPMA_EVENT_CPE_STATUS_OFFLINE;
break;
case CPE_STATUS_ONLINE:
lpma_event = LPMA_EVENT_CPE_STATUS_ONLINE;
break;
case SLPI_STATUS_OFFLINE:
lpma_event = LPMA_EVENT_SLPI_STATUS_OFFLINE;
break;
case SLPI_STATUS_ONLINE:
lpma_event = LPMA_EVENT_SLPI_STATUS_ONLINE;
break;
default:
return;
}
sthw_extn_lpma_notify_event(lpma_event);
}
static void handle_ssr_online(enum ssr_event_status event)
{
struct listnode *p_ses_node;
st_session_t *p_ses;
ALOGD("%s: Enter", __func__);
stdev->ssr_offline_received = false;
ATRACE_BEGIN("sthal: handle_ssr_online");
pthread_mutex_lock(&stdev->lock);
/* Events allowed: SND_CARD ONLINE or CPE ONLINE */
/*
* During SSR offline, all the custom topology info is wiped off from
* ADSP. Audio HAL can send these topologies during SSR online, but if
* Audio Hal handles SSR online event later than sthal handles SSR
* online, LSM session open fails with no matching topology found in
* ADSP. Fix it by sending common custom topologies, that includes LSM
* topologies, during SSR online.
*/
if (event == SND_CARD_STATUS_ONLINE) {
ALOGV("%s: sending common custom topology", __func__);
if (platform_stdev_send_common_topology(stdev->platform))
ALOGE("%s: sending common topology failed" ,__func__);
}
/* reload and reactive each previously active session */
list_for_each(p_ses_node, &stdev->sound_model_list) {
p_ses = node_to_item(p_ses_node, st_session_t, list_node);
st_session_ssr_online(p_ses, event);
}
if (sthw_extn_lpma_present())
notify_ssr_to_lpma(event);
pthread_cond_broadcast(&stdev->cond);
pthread_mutex_unlock(&stdev->lock);
ATRACE_END();
ALOGD("%s: Exit event %d", __func__, event);
}
static void handle_ssr_offline(enum ssr_event_status event)
{
struct listnode *p_ses_node;
st_session_t *p_ses;
ALOGD("%s: Enter", __func__);
stdev->ssr_offline_received = true;
ATRACE_BEGIN("sthal: handle_ssr_offline");
pthread_mutex_lock(&stdev->lock);
/* Events allowed: SND_CARD OFFLINE or CPE OFFLINE */
/* teardown each session */
list_for_each(p_ses_node, &stdev->sound_model_list) {
p_ses = node_to_item(p_ses_node, st_session_t, list_node);
st_session_ssr_offline(p_ses, event);
}
if (sthw_extn_lpma_present())
notify_ssr_to_lpma(event);
pthread_mutex_unlock(&stdev->lock);
ATRACE_END();
ALOGD("%s: Exit event %d", __func__, event);
}
static void check_sessions_transition(audio_event_type_t event_type)
{
int status;
if ((AUDIO_EVENT_PLAYBACK_STREAM_ACTIVE == event_type) ||
((AUDIO_EVENT_BATTERY_STATUS_CHANGED == event_type) && stdev->is_charging)) {
/* Transition to ADSP */
if (is_any_session_buffering() ||
is_any_session_ssr_state()) {
stdev->transit_dir = TRANSIT_CPE_TO_APE;
pthread_cond_signal(&stdev->transitions_cond);
} else {
status = check_and_transit_cpe_ses_to_ape(NULL);
if (status)
ALOGE("%s: Transition to ADSP failed, ignore", __func__);
}
} else if ((AUDIO_EVENT_PLAYBACK_STREAM_INACTIVE == event_type) ||
((AUDIO_EVENT_BATTERY_STATUS_CHANGED == event_type) && !stdev->is_charging)) {
stdev->transit_dir = TRANSIT_APE_TO_CPE;
pthread_cond_signal(&stdev->transitions_cond);
}
}
static void handle_audio_ec_ref_enabled(audio_event_info_t* config)
{
if (config == NULL) {
ALOGE("%s: null config event received!", __func__);
return;
}
ALOGD("%s: Enter", __func__);
pthread_mutex_lock(&stdev->lock);
stdev->audio_ec_enabled = config->u.audio_ec_ref_enabled;
pthread_mutex_unlock(&stdev->lock);
ALOGD("%s: Exit audio ec ref=%d", __func__, stdev->audio_ec_enabled);
}
static void handle_audio_concurrency(audio_event_type_t event_type,
audio_event_info_t* config)
{
struct listnode *p_ses_node = NULL, *node = NULL;
st_session_t *p_ses = NULL;
bool conc_allowed = false, lpi_changed = false, barge_in_mode = false;
unsigned int num_sessions = 0;
struct audio_device_info *item = NULL;
if (config == NULL) {
ALOGE("%s: Config is NULL, exiting", __func__);
return;
}
list_for_each (node, &config->device_info.devices) {
item = node_to_item(node, struct audio_device_info, list);
ALOGV("%s: Audio device = 0x%x", __func__, item->type);
}
/*
UC1:
1. start_recognition
2. audio record_active
3. audio_record_inactive
4. stop_recognition
UC1:
1. start_recognition
2. audio record_active
3. stop_recognition
4. audio_record_inactive
UC2:
1. audio_record_active
2. start_recognition
3. stop_recogntion
4. audio_record_inactive
UC3:
1. audio_record_active
2. start_recognition
3. audio_record_inactive
4. stop_recogntion
*/
pthread_mutex_lock(&stdev->lock);
num_sessions = get_num_sessions();
conc_allowed = platform_stdev_check_and_update_concurrency(stdev->platform,
event_type, config, num_sessions);
if (!conc_allowed)
sthw_extn_lpma_notify_event(LPMA_EVENT_AUDIO_CONCURRENCY);
if (!num_sessions) {
stdev->session_allowed = conc_allowed;
/*
* This is needed for the following usecase:
*
* 1. LPI and NLPI have different number of MICs (different devices).
* 2. ST session is stopped from app and unloaded while Tx active.
* 3. Tx stops.
* 4. ST session started again from app on LPI.
*
* The device disablement is missed in step 3 because the st_session was
* deinitialized. Thus, it is handled here.
*/
if (event_type == AUDIO_EVENT_CAPTURE_DEVICE_INACTIVE &&
!platform_stdev_is_dedicated_sva_path(stdev->platform) &&
platform_stdev_backend_reset_allowed(stdev->platform))
if (stdev->tx_concurrency_active == 0)
platform_stdev_disable_stale_devices(stdev->platform);
pthread_mutex_unlock(&stdev->lock);
return;
}
if (stdev->transit_to_adsp_on_playback)
check_sessions_transition(event_type);
if (platform_stdev_is_dedicated_sva_path(stdev->platform)) {
/*
* When SVA has dedicated tx path, ignore capture events when concurrency
* is allowed with this capture event.
* But need to handle capture events to pause VA sessions when concurrency
* is not allowed but previously allowed, and also do resume when concurrency
* is allowed but previously not allowed.
*/
if (event_type == AUDIO_EVENT_CAPTURE_DEVICE_INACTIVE ||
event_type == AUDIO_EVENT_CAPTURE_DEVICE_ACTIVE ||
event_type == AUDIO_EVENT_CAPTURE_STREAM_INACTIVE ||
event_type == AUDIO_EVENT_CAPTURE_STREAM_ACTIVE) {
if (conc_allowed != stdev->session_allowed) {
stdev->session_allowed = conc_allowed;
if (!conc_allowed) {
list_for_each(p_ses_node, &stdev->sound_model_list) {
p_ses = node_to_item(p_ses_node, st_session_t, list_node);
st_session_pause(p_ses);
}
} else {
list_for_each(p_ses_node, &stdev->sound_model_list) {
p_ses = node_to_item(p_ses_node, st_session_t, list_node);
st_session_resume(p_ses);
}
}
} else {
ALOGV("%s: Ignore capture events as sva has dedicated path", __func__);
}
if (!conc_allowed) {
pthread_mutex_unlock(&stdev->lock);
return;
}
}
} else {
/*
* 1. When concurrency is NOT allowed, pause VA sessions.
* 2. When concurrency is allowed on:
* a. audio capture enabling - do nothing as the tx paths can be shared
* for both VA and audio capture.
* b. audio capture disabling - due to tx path was previously disabled
* by audio capture usecase, so need to do session pause->resume
* to resume tx path.
*/
if (!conc_allowed) {
list_for_each(p_ses_node, &stdev->sound_model_list) {
p_ses = node_to_item(p_ses_node, st_session_t, list_node);
st_session_pause(p_ses);
}
} else {
if (event_type == AUDIO_EVENT_CAPTURE_DEVICE_INACTIVE) {
/*
* The reset_backend flag allows the backend device to be disabled. This should
* only be disallowed when in non-dedicated path mode and there is an active
* audio input stream.
*/
stdev->reset_backend = platform_stdev_backend_reset_allowed(stdev->platform);
st_hw_check_and_update_lpi(stdev, p_ses);
stdev->vad_enable = st_hw_check_vad_support(stdev, p_ses, stdev->lpi_enable);
list_for_each(p_ses_node, &stdev->sound_model_list) {
p_ses = node_to_item(p_ses_node, st_session_t, list_node);
ALOGD("%s:[%d] Capture device is disabled, pause SVA session",
__func__, p_ses->sm_handle);
st_session_pause(p_ses);
}
/*
* This is needed when the session goes to loaded state, then
* LPI/NLPI switch happens due to Rx event.
*/
platform_stdev_reset_backend_cfg(stdev->platform);
platform_stdev_disable_stale_devices(stdev->platform);
list_for_each(p_ses_node, &stdev->sound_model_list) {
p_ses = node_to_item(p_ses_node, st_session_t, list_node);
ALOGD("%s:[%d] Capture device is disabled, resume SVA session",
__func__, p_ses->sm_handle);
st_session_resume(p_ses);
}
} else if (event_type == AUDIO_EVENT_CAPTURE_DEVICE_ACTIVE) {
ALOGD("Audio HAL has a capture session ON, don't disable the device");
}
}
stdev->session_allowed = conc_allowed;
if (!conc_allowed) {
pthread_mutex_unlock(&stdev->lock);
return;
}
}
/*
* lpi/vad decision might have changed based on the capture and playback
* usecases becoming active/inactive. So check and update the lpi/vad
* configuration which will be used during device backend setting as part
* of session's start/resume.
*/
barge_in_mode = stdev->barge_in_mode;
st_hw_check_and_update_lpi(stdev, p_ses);
lpi_changed = stdev->lpi_enable != platform_get_lpi_mode(stdev->platform);
stdev->vad_enable = st_hw_check_vad_support(stdev, p_ses, stdev->lpi_enable);
/*
* Usecase 1: Playback enabled without display on/battery charging:
* lpi_changed = true, so transition occurs.
* Usecase 2: Playback enabled with display on/battery charging:
* lpi_changed = false, and barge_in_mode changes from false to
* true. Dynamic EC update or transition will occur depending
* on the flag.
* Usecase 3: Playback disabled without display on/battery charging:
* lpi_changed = true, so transition occurs.
* Usecase 4: Playback disabled with display on/battery charging:
* lpi_changed = false, and barge_in_mode changes from true to
* false. Dynamic EC update or transition will occur depending
* on the flag.
*/
if ((lpi_changed || barge_in_mode != stdev->barge_in_mode) &&
!is_any_session_buffering()) {
if (!lpi_changed && stdev->support_dynamic_ec_update) {
platform_stdev_update_ec_effect(stdev->platform,
stdev->barge_in_mode);
} else {
list_for_each(p_ses_node, &stdev->sound_model_list) {
p_ses = node_to_item(p_ses_node, st_session_t, list_node);
if (p_ses && p_ses->exec_mode == ST_EXEC_MODE_ADSP) {
ALOGD("%s:[%d] LPI: pause SVA session",
__func__, p_ses->sm_handle);
st_session_pause(p_ses);
}
}
platform_stdev_reset_backend_cfg(stdev->platform);
list_for_each(p_ses_node, &stdev->sound_model_list) {
p_ses = node_to_item(p_ses_node, st_session_t, list_node);
if (p_ses && p_ses->exec_mode == ST_EXEC_MODE_ADSP) {
ALOGD("%s:[%d] LPI: resume SVA session",
__func__, p_ses->sm_handle);
st_session_resume(p_ses);
}
}
}
}
/*
* The device can be disabled within this thread upon reception of the device
* active event because audio hal does not enable the device until after returning
* from this callback. After this thread exits, device disablement will be
* disallowed until the device inactive event is received.
*/
if (event_type == AUDIO_EVENT_CAPTURE_DEVICE_ACTIVE &&
!platform_stdev_is_dedicated_sva_path(stdev->platform))
stdev->reset_backend = platform_stdev_backend_reset_allowed(stdev->platform);
pthread_mutex_unlock(&stdev->lock);
ALOGV("%s: Exit", __func__);
}
static void *transitions_thread_loop(void * context __unused)
{
int status = 0;
int in_ssr = 0, ssr_retry = 0;
/*
* This thread is used for audio playback transitions from ADSP
* to WDSP. This is needed for hotword detections on ADSP because
* the app pauses music playback during buffering and resumes when
* buffering stops. An audio playback inactive event sends the
* signal to this thread to begin looping while playback is paused.
* When both buffering and and audio playback are inactive, it is
* assumed to be a stoppage of audio playback NOT due to a hotword
* detection.
* This also handles battery charging use case, when the battery
* is not in charging status, sessions need to be transited back
* to WDSP.
* These two cases will transition to WDSP.
*/
pthread_mutex_lock(&stdev->lock);
if (stdev->transit_wait_time <= 0)
stdev->transit_wait_time = TRANSIT_MIN_SLEEP_TIME_SEC;
while (!stdev->stop_transitions_thread_loop) {
/* Avoid spurious wake ups unncessarily acquiring wakelock later */
while ((stdev->transit_dir == TRANSIT_NONE) &&
!stdev->stop_transitions_thread_loop)
pthread_cond_wait(&stdev->transitions_cond, &stdev->lock);
if (stdev->stop_transitions_thread_loop) {
pthread_mutex_unlock(&stdev->lock);
return NULL;
}
acquire_wake_lock(PARTIAL_WAKE_LOCK, TRANSIT_WAKE_LOCK_NAME);
ssr_retry = TRANSIT_SSR_TIMEOUT_SEC / stdev->transit_wait_time;
if (stdev->transit_dir == TRANSIT_APE_TO_CPE) {
while (1) {
pthread_mutex_unlock(&stdev->lock);
sleep(stdev->transit_wait_time);
pthread_mutex_lock(&stdev->lock);
bool keep_ape_mode = (stdev->rx_concurrency_active &&
stdev->transit_to_adsp_on_playback) ||
(stdev->is_charging &&
stdev->transit_to_adsp_on_battery_charging);
if (stdev->transit_dir != TRANSIT_APE_TO_CPE) {
ALOGD("transit_dir change to %d", stdev->transit_dir);
goto release_wl;
} else if (keep_ape_mode) {
ALOGD("%s:No need to transit to CPE", __func__);
stdev->transit_dir = TRANSIT_NONE;
goto release_wl;
}
in_ssr = is_any_session_ssr_state();
if (!is_any_session_buffering() &&
!in_ssr) {
/* Transition to WDSP */
ATRACE_BEGIN("sthal: check_and_transit_ape_ses_to_cpe");
status = check_and_transit_ape_ses_to_cpe(NULL);
ATRACE_END();
if (status)
ALOGE("%s: Transition to WDSP failed, ignore", __func__);
stdev->transit_dir = TRANSIT_NONE;
break;
} else if (in_ssr && (ssr_retry-- <= 0)) {
ALOGE("%s: can't transit to cpe due to ssr", __func__);
stdev->transit_dir = TRANSIT_NONE;
goto release_wl;
}
}
/*
* It is possible that another rx is active or device is charging
* before entering while loop which doesn't require transit to cpe.
* Go back and wait for next transit event which will be not charging
* or rx inactive -> transit to ape.
*/
} else if (stdev->transit_dir == TRANSIT_CPE_TO_APE) {
while (1) {
pthread_mutex_unlock(&stdev->lock);
sleep(stdev->transit_wait_time);
pthread_mutex_lock(&stdev->lock);
if (stdev->transit_dir != TRANSIT_CPE_TO_APE) {
ALOGD("transit_dir change to %d", stdev->transit_dir);
goto release_wl;
}
in_ssr = is_any_session_ssr_state();
if (!is_any_session_buffering() && !in_ssr) {
/* Transition to ADSP */
ATRACE_BEGIN("sthal: check_and_transit_cpe_ses_to_ape");
status = check_and_transit_cpe_ses_to_ape(NULL);
ATRACE_END();
if (status)
ALOGE("%s: Transition to ADSP failed, ignore", __func__);
stdev->transit_dir = TRANSIT_NONE;
break;
} else if (in_ssr && (ssr_retry-- <= 0)) {
ALOGE("%s: can't transit to ape due to ssr", __func__);
stdev->transit_dir = TRANSIT_NONE;
goto release_wl;
}
}
} else {
ALOGE("%s: Invalid transit direction %d", __func__, stdev->transit_dir);
}
release_wl:
release_wake_lock(TRANSIT_WAKE_LOCK_NAME);
}
pthread_mutex_unlock(&stdev->lock);
return NULL;
}
static void init_transitions_thread()
{
int status = 0;
stdev->stop_transitions_thread_loop = false;
stdev->transit_dir = TRANSIT_NONE;
status = pthread_create(&stdev->transitions_thread, NULL,
transitions_thread_loop, NULL);
if (status)
ALOGE("%s: Error creating transitions thread. status = %d",
__func__, status);
}
static void switch_device()
{
struct listnode *p_ses_node = NULL;
st_session_t *p_ses = NULL;
if (!get_num_sessions()) {
ALOGV("%s: no sessions remaining, exiting", __func__);
return;
}
/* Start switching the device.
* Disable all use cases followed by disabling the current device.
* Enable new device followed by enabling all use cases .
*/
list_for_each(p_ses_node, &stdev->sound_model_list) {
p_ses = node_to_item(p_ses_node, st_session_t, list_node);
st_session_disable_device(p_ses);
}
sthw_extn_lpma_notify_event(LPMA_EVENT_DISABLE_DEVICE);
if (stdev->disable_stale) {
platform_stdev_disable_stale_devices(stdev->platform);
stdev->disable_stale = false;
}
list_for_each(p_ses_node, &stdev->sound_model_list) {
p_ses = node_to_item(p_ses_node, st_session_t, list_node);
st_session_enable_device(p_ses);
}
sthw_extn_lpma_notify_event(LPMA_EVENT_ENABLE_DEVICE);
}
static void handle_device_switch(bool connect, audio_event_info_t* config)
{
audio_devices_t device = config->u.value;
audio_devices_t cur_device = 0;
cur_device = platform_stdev_get_capture_device(stdev->platform);
ALOGD("%s: device 0x%x %s", __func__, device,
connect? "Connected":"Disconnected");
ATRACE_BEGIN("sthal: handle_device_switch");
if (!stdev->support_dev_switch ||
!ST_CAPTURE_DEVICE_IS_SUPPORTED(device)) {
ATRACE_END();
ALOGV("%s: unsupported", __func__);
return;
}
pthread_mutex_lock(&stdev->lock);
/* Update this device to available list of internal devices. At the time
* of enabling the device for a use case, actual device will be selected
* based on internal device selection policy
*/
platform_stdev_update_device_list(device, "", &stdev->available_devices,
connect);
if ((connect && (cur_device == device)) ||
(!connect && (cur_device != device))) {
ATRACE_END();
ALOGV("%s: device 0x%x already %s", __func__,
device, connect ? "enabled" : "disabled");
pthread_mutex_unlock(&stdev->lock);
return;
}
/*
* If buffering or audio concurrency present, device switch will
* interrupt and happen anyway. Session will already be in the loaded
* state so device switch will set up the next session with the
* new device to be started later
*/
switch_device();
pthread_mutex_unlock(&stdev->lock);
ATRACE_END();
ALOGV("%s: Exit", __func__);
}
static void handle_screen_status_change(audio_event_info_t* config)
{
unsigned int num_sessions = 0;
struct listnode *p_ses_node = NULL;
st_session_t *p_ses = NULL;
pthread_mutex_lock(&stdev->lock);
stdev->screen_off = config->u.value;
ALOGD("%s: screen %s", __func__, stdev->screen_off ? "off" : "on");
num_sessions = get_num_sessions();
if (!num_sessions) {
pthread_mutex_unlock(&stdev->lock);
return;
}
st_hw_check_and_update_lpi(stdev, p_ses);
if (stdev->lpi_enable != platform_get_lpi_mode(stdev->platform) &&
!is_any_session_buffering() && stdev->session_allowed) {
list_for_each(p_ses_node, &stdev->sound_model_list) {
p_ses = node_to_item(p_ses_node, st_session_t, list_node);
if (p_ses && p_ses->exec_mode == ST_EXEC_MODE_ADSP) {
ALOGD("%s:[%d] LPI: pause SVA session",
__func__, p_ses->sm_handle);
st_session_pause(p_ses);
}
}
platform_stdev_reset_backend_cfg(stdev->platform);
list_for_each(p_ses_node, &stdev->sound_model_list) {
p_ses = node_to_item(p_ses_node, st_session_t, list_node);
if (p_ses && p_ses->exec_mode == ST_EXEC_MODE_ADSP) {
ALOGD("%s:[%d] LPI: resume SVA session",
__func__, p_ses->sm_handle);
st_session_resume(p_ses);
}
}
}
pthread_mutex_unlock(&stdev->lock);
ALOGV("%s: Exit", __func__);
}
static void handle_battery_status_change(audio_event_info_t* config)
{
unsigned int num_sessions;
struct listnode *p_ses_node = NULL;
st_session_t *p_ses = NULL;
pthread_mutex_lock(&stdev->lock);
stdev->is_charging = config->u.value;
ALOGD("%s: battery status changed to %d", __func__, stdev->is_charging);
num_sessions = get_num_sessions();
if (!num_sessions) {
pthread_mutex_unlock(&stdev->lock);
return;
}
if (stdev->transit_to_adsp_on_battery_charging)
check_sessions_transition(AUDIO_EVENT_BATTERY_STATUS_CHANGED);
/*
* lpi/vad decision might have changed based on the battery status change.
* So check and update the lpi/vad configuration which will be used during
* device backend setting as part of session's start/resume.
*/
st_hw_check_and_update_lpi(stdev, p_ses);
stdev->vad_enable = st_hw_check_vad_support(stdev, p_ses,
stdev->lpi_enable);
if (stdev->lpi_enable != platform_get_lpi_mode(stdev->platform) &&
!is_any_session_buffering() && stdev->session_allowed &&
stdev->transit_to_non_lpi_on_battery_charging) {
list_for_each(p_ses_node, &stdev->sound_model_list) {
p_ses = node_to_item(p_ses_node, st_session_t, list_node);
if (p_ses && p_ses->exec_mode == ST_EXEC_MODE_ADSP) {
ALOGD("%s:[%d] LPI: pause SVA session",
__func__, p_ses->sm_handle);
st_session_pause(p_ses);
}
}
platform_stdev_reset_backend_cfg(stdev->platform);
list_for_each(p_ses_node, &stdev->sound_model_list) {
p_ses = node_to_item(p_ses_node, st_session_t, list_node);
if (p_ses && p_ses->exec_mode == ST_EXEC_MODE_ADSP) {
ALOGD("%s:[%d] LPI: resume SVA session",
__func__, p_ses->sm_handle);
st_session_resume(p_ses);
}
}
}
pthread_mutex_unlock(&stdev->lock);
ALOGV("%s: Exit", __func__);
}
static void handle_echo_ref_switch(audio_event_type_t event_type,
audio_event_info_t* config)
{
struct listnode *node = NULL;
st_session_t *p_ses = NULL;
if (config == NULL) {
ALOGV("%s: null config event received!", __func__);
return;
}
pthread_mutex_lock(&stdev->lock);
if (AUDIO_EVENT_PLAYBACK_STREAM_ACTIVE == event_type &&
!platform_stdev_compare_devices(&config->device_info.devices,
&stdev->active_rx_dev_list)) {
/*
* if currently no active ADSP session available, then echo
* reference will be enabled during session transition
*/
platform_stdev_assign_devices(&stdev->active_rx_dev_list,
&config->device_info.devices);
if (get_num_sessions_in_exec_mode(ST_EXEC_MODE_ADSP) > 0 &&
(platform_stdev_is_a2dp_out_device_type(
&stdev->active_rx_dev_list) ||
platform_stdev_compare_device_type(&stdev->active_rx_dev_list,
AUDIO_DEVICE_OUT_LINE) ||
platform_stdev_compare_device_type(&stdev->active_rx_dev_list,
AUDIO_DEVICE_OUT_SPEAKER) ||
platform_stdev_compare_device_type(&stdev->active_rx_dev_list,
AUDIO_DEVICE_IN_WIRED_HEADSET)) &&
stdev->session_allowed) {
/* pause and resume ADSP sessions to send new echo reference */
list_for_each(node, &stdev->sound_model_list) {
ALOGD("%s: Pause and resume sessions", __func__);
p_ses = node_to_item(node, st_session_t, list_node);
if (p_ses->exec_mode == ST_EXEC_MODE_ADSP) {
st_session_pause(p_ses);
st_session_resume(p_ses);
}
}
}
}
pthread_mutex_unlock(&stdev->lock);
}
static void get_base_properties(struct sound_trigger_device *stdev)
{
ALOGI("%s: enter", __func__);
stdev->hw_properties->concurrent_capture = stdev->conc_capture_supported;
/*
* This hal interface API is not suitable to a granular level of reporting
* individual max sound models based on different execution modes from
* platform XML file. For ex: reporting lower no. of sound models meant for
* WDSP mode results in framework not allowing more sound models which can
* be supported for ADSP mode. Hence always report max sound models out of
* all executions modes. At the max, the framework's error handling will be
* delegated to sthal level, where sthal returns error if sound model
* sessions exceed the platform supported for a given execution mode.
*/
stdev->hw_properties->max_sound_models = MAX(stdev->max_wdsp_sessions,
stdev->max_ape_sessions);
stdev->hw_properties->max_key_phrases = MAX(stdev->avail_cpe_phrases,
stdev->avail_ape_phrases);
stdev->hw_properties->max_users = MAX(stdev->avail_cpe_users,
stdev->avail_ape_users);
stdev->hw_properties->max_buffer_ms = ST_GRAPHITE_LAB_BUF_DURATION_MS;
ALOGVV("%s version=0x%x recognition_modes=%d, capture_transition=%d, "
"concurrent_capture=%d", __func__, stdev->hw_properties->version,
stdev->hw_properties->recognition_modes,
stdev->hw_properties->capture_transition,
stdev->hw_properties->concurrent_capture);
memset(&hw_properties_extended, 0, sizeof(hw_properties_extended));
memcpy(&hw_properties_extended.base, stdev->hw_properties,
sizeof(struct sound_trigger_properties));
}
static int stdev_get_properties(const struct sound_trigger_hw_device *dev,
struct sound_trigger_properties *properties)
{
struct sound_trigger_device *stdev = (struct sound_trigger_device *)dev;
ALOGI("%s", __func__);
if (properties == NULL) {
ALOGE("%s: NULL properties", __func__);
return -EINVAL;
}
get_base_properties(stdev);
memcpy(properties, &hw_properties_extended.base, sizeof(struct sound_trigger_properties));
hw_properties_extended.header.version = SOUND_TRIGGER_DEVICE_API_VERSION_1_0;
return 0;
}
static st_exec_mode_t get_session_exec_mode
(
st_session_t *p_ses,
struct sound_trigger_sound_model *common_sm
)
{
unsigned int num_sessions = 0;
unsigned int num_users = 0;
unsigned int num_phrases = 0;
unsigned int i, j;
st_exec_mode_t exec_mode = ST_EXEC_MODE_NONE;
struct st_vendor_info *v_info = p_ses->vendor_uuid_info;
struct sound_trigger_phrase_sound_model *phrase_sm = NULL;
if (v_info == NULL)
return ST_EXEC_MODE_NONE;
num_sessions = get_num_sessions();
if (common_sm->type == SOUND_MODEL_TYPE_KEYPHRASE) {
phrase_sm = (struct sound_trigger_phrase_sound_model *)common_sm;
num_phrases = phrase_sm->num_phrases;
for (i = 0; i < phrase_sm->num_phrases; i++) {
for (j = 0; j < phrase_sm->phrases[i].num_users; j++) {
num_users++;
}
}
p_ses->num_phrases = num_phrases;
p_ses->num_users = num_users;
ALOGD("%s: mode=%d NS=%d RKW=%u RU=%u VACKW=%u VACU=%u VADKW=%d, VADU=%d",
__func__, v_info->exec_mode_cfg, num_sessions, num_phrases, num_users,
v_info->avail_cpe_phrases, v_info->avail_cpe_users,
v_info->avail_ape_phrases, v_info->avail_ape_users);
}
/*
* Each algorithm can be configured to either CPE, ADSP or DYNAMIC
* in the vendor info, if vendor info is present use it to determine
* exec_mode
*/
if (v_info->exec_mode_cfg == EXEC_MODE_CFG_CPE) {
/* Algorithm configured for CPE only */
if (num_sessions < stdev->max_wdsp_sessions) {
if (common_sm->type == SOUND_MODEL_TYPE_KEYPHRASE) {
/* Keyphrase sound model */
if (check_phrases_users_available(v_info, num_phrases,
num_users, ST_EXEC_MODE_CPE, false))
exec_mode = ST_EXEC_MODE_CPE;
} else {
/* Generic sound model without keyphrases */
exec_mode = ST_EXEC_MODE_CPE;
}
}
} else if (v_info->exec_mode_cfg == EXEC_MODE_CFG_APE) {
if (num_sessions < stdev->max_ape_sessions) {
if (common_sm->type == SOUND_MODEL_TYPE_KEYPHRASE) {
if (check_phrases_users_available(v_info, num_phrases,
num_users, ST_EXEC_MODE_ADSP, false))
exec_mode = ST_EXEC_MODE_ADSP;
} else {
exec_mode = ST_EXEC_MODE_ADSP;
}
}
} else if (v_info->exec_mode_cfg == EXEC_MODE_CFG_DYNAMIC) {
/*
* If execution type is DYNAMIC, there are two cases:
* 1) Exec mode is dictated by explicit commands from the app.
* This comes from stdev->client_req_exec_mode.
* 2) If the app is not giving explicit exec mode commands, exec
* mode is determined by the state of active audio playback in
* accordance with the playback transitions functionality.
*/
if (stdev->client_req_exec_mode == ST_EXEC_MODE_CPE) {
/*
* Check if the session can run on CPE, if client requested
* CPE mode for all sessions.
*/
ALOGV("%s: EXEC_MODE_CFG_DYNAMIC: req exec mode CPE", __func__);
if (num_sessions < stdev->max_wdsp_sessions) {
if (common_sm->type == SOUND_MODEL_TYPE_KEYPHRASE) {
/* Keyphrase sound model */
if (check_phrases_users_available(v_info, num_phrases,
num_users, ST_EXEC_MODE_CPE, false))
exec_mode = ST_EXEC_MODE_CPE;
} else {
/* Generic sound model without keyphrases */
exec_mode = ST_EXEC_MODE_CPE;
}
}
} else if (stdev->client_req_exec_mode == ST_EXEC_MODE_ADSP) {
/*
* Check if the session can run on ADSP, if client requested
* ADSP mode for all sessions.
*/
ALOGV("%s: EXEC_MODE_CFG_DYNAMIC: req exec mode ADSP", __func__);
if (num_sessions < stdev->max_ape_sessions) {
if (common_sm->type == SOUND_MODEL_TYPE_KEYPHRASE) {
if (check_phrases_users_available(v_info, num_phrases,
num_users, ST_EXEC_MODE_ADSP, false))
exec_mode = ST_EXEC_MODE_ADSP;
} else {
exec_mode = ST_EXEC_MODE_ADSP;
}
}
} else {
/*
* client_req_exec_mode is NONE.
* In this case, check:
* 1. If audio playback transitions are enabled
* and if audio playback is currently active.
* 2. If battery charging transitions are enabled
* and if battery is in charging
* If either of the criteria are satisfied, try on ADSP and error
* out if the new session cannot be started on it. If they are not
* satisfied, try on CPE and error out if the new session cannot be
* started on it.
*
* TODO -
* client requested exec mode can be NONE if transition was
* requested for a particular session i.e. not a global transition.
* In cases where transition was requested per session, two cases
* arise for a newly started session:
* 1. The new session’s backend does not match with the sessions
* that have been switched and can run independent of them.
* 2. The session’s backend matches with the sessions that have
* been switched above.
* Since st_device is not available at this point, backend_type
* cannot be obtained to determine if it falls in any of the above
* cases and exec mode cannot be determined.
*/
ALOGV("%s: EXEC_MODE_CFG_DYNAMIC: req exec mode NONE", __func__);
if ((stdev->transit_to_adsp_on_playback &&
(stdev->rx_concurrency_active > 0)) ||
(stdev->transit_to_adsp_on_battery_charging &&
stdev->is_charging)) {
/* Load on ADSP */
if (num_sessions < stdev->max_ape_sessions) {
if (common_sm->type == SOUND_MODEL_TYPE_KEYPHRASE) {
/* Keyphrase sound model */
if (check_phrases_users_available(v_info, num_phrases,
num_users, ST_EXEC_MODE_ADSP, false))
exec_mode = ST_EXEC_MODE_ADSP;
} else {
/* Generic sound model without keyphrases */
exec_mode = ST_EXEC_MODE_ADSP;
}
}
} else {
/* Load on WDSP */
if (num_sessions < stdev->max_wdsp_sessions) {
if (common_sm->type == SOUND_MODEL_TYPE_KEYPHRASE) {
/* Keyphrase sound model */
if (check_phrases_users_available(v_info, num_phrases,
num_users, ST_EXEC_MODE_CPE, false))
exec_mode = ST_EXEC_MODE_CPE;
} else {
/* Generic sound model without keyphrases */
exec_mode = ST_EXEC_MODE_CPE;
}
}
}
}
} else if (v_info->exec_mode_cfg == EXEC_MODE_CFG_ARM) {
if (num_sessions < stdev->max_arm_sessions)
exec_mode = ST_EXEC_MODE_ARM;
}
ALOGV("%s: Exit exec_mode=%d", __func__, exec_mode);
return exec_mode;
}
static void update_available_phrase_info
(
st_session_t *p_ses,
struct sound_trigger_phrase_sound_model *phrase_sm,
bool add
)
{
struct st_vendor_info *v_info = p_ses->vendor_uuid_info;
if (add) {
if (p_ses->exec_mode == ST_EXEC_MODE_CPE) {
v_info->avail_cpe_phrases += phrase_sm->num_phrases;
v_info->avail_cpe_users += p_ses->num_users;
} else {
v_info->avail_ape_phrases += phrase_sm->num_phrases;
v_info->avail_ape_users += p_ses->num_users;
}
} else {
if (p_ses->exec_mode == ST_EXEC_MODE_CPE) {
v_info->avail_cpe_phrases -= phrase_sm->num_phrases;
v_info->avail_cpe_users -= p_ses->num_users;
} else {
v_info->avail_ape_phrases -= phrase_sm->num_phrases;
v_info->avail_ape_users -= p_ses->num_users;
}
}
}
static bool compare_recognition_config
(
const struct sound_trigger_recognition_config *new_config,
struct sound_trigger_recognition_config *current_config
)
{
unsigned int i = 0, j = 0;
/*
* Sometimes if the number of user confidence levels is 0, the
* sound_trigger_confidence_level struct will be different between the two
* configs. So all the values must be checked instead of a memcmp of the
* whole configs.
*/
/*
* Extra uint32_t is added in memcmp as opaque data config starts after
* audio_capabilities as per SOUND_TRIGGER_DEVICE_API_VERSION_1_3
*/
if ((current_config->capture_handle != new_config->capture_handle) ||
(current_config->capture_device != new_config->capture_device) ||
(current_config->capture_requested != new_config->capture_requested) ||
(current_config->num_phrases != new_config->num_phrases) ||
(current_config->data_size != new_config->data_size) ||
(hw_properties_extended.header.version == SOUND_TRIGGER_DEVICE_API_VERSION_1_3 &&
memcmp((char *) current_config + current_config->data_offset,
(char *) new_config + sizeof(struct sound_trigger_recognition_config) +
sizeof(uint32_t), current_config->data_size)) ||
(hw_properties_extended.header.version == SOUND_TRIGGER_DEVICE_API_VERSION_1_0 &&
memcmp((char *) current_config + current_config->data_offset,
(char *) new_config + new_config->data_offset,
current_config->data_size))) {
return false;
} else {
for (i = 0; i < current_config->num_phrases; i++) {
if ((current_config->phrases[i].id !=
new_config->phrases[i].id) ||
(current_config->phrases[i].recognition_modes !=
new_config->phrases[i].recognition_modes) ||
(current_config->phrases[i].confidence_level !=
new_config->phrases[i].confidence_level) ||
(current_config->phrases[i].num_levels !=
new_config->phrases[i].num_levels)) {
return false;
} else {
for (j = 0; j < current_config->phrases[i].num_levels; j++) {
if ((current_config->phrases[i].levels[j].user_id !=
new_config->phrases[i].levels[j].user_id) ||
(current_config->phrases[i].levels[j].level !=
new_config->phrases[i].levels[j].level))
return false;
}
}
}
return true;
}
}
static int load_audio_hal()
{
int status = 0;
char audio_hal_lib[100];
void *sthal_prop_api_version;
snprintf(audio_hal_lib, sizeof(audio_hal_lib), "%s/%s.%s.so",
AUDIO_HAL_LIBRARY_PATH1, AUDIO_HAL_NAME_PREFIX,
XSTR(SOUND_TRIGGER_PLATFORM));
if (access(audio_hal_lib, R_OK)) {
snprintf(audio_hal_lib, sizeof(audio_hal_lib), "%s/%s.%s.so",
AUDIO_HAL_LIBRARY_PATH2, AUDIO_HAL_NAME_PREFIX,
XSTR(SOUND_TRIGGER_PLATFORM));
if (access(audio_hal_lib, R_OK)) {
ALOGE("%s: ERROR. %s not found", __func__, audio_hal_lib);
return -ENOENT;
}
}
stdev->audio_hal_handle = dlopen(audio_hal_lib, RTLD_NOW);
if (!stdev->audio_hal_handle) {
ALOGE("%s: ERROR. %s", __func__, dlerror());
return -ENODEV;
}
DLSYM(stdev->audio_hal_handle, stdev->audio_hal_cb, audio_hw_call_back,
status);
if (status)
goto error;
DLSYM(stdev->audio_hal_handle, sthal_prop_api_version,
sthal_prop_api_version, status);
if (status) {
stdev->sthal_prop_api_version = 0;
status = 0; /* passthru for backward compability */
} else {
stdev->sthal_prop_api_version = *(int*)sthal_prop_api_version;
if (MAJOR_VERSION(stdev->sthal_prop_api_version) !=
MAJOR_VERSION(STHAL_PROP_API_CURRENT_VERSION)) {
ALOGE("%s: Incompatible API versions sthal:0x%x != ahal:0x%x",
__func__, STHAL_PROP_API_CURRENT_VERSION,
stdev->sthal_prop_api_version);
goto error;
}
ALOGD("%s: ahal is using proprietary API version 0x%04x", __func__,
stdev->sthal_prop_api_version);
}
return status;
error:
dlclose(stdev->audio_hal_handle);
stdev->audio_hal_handle = NULL;
return status;
}
#ifndef USE_KEEP_ALIVE
#define run_keep_alive_session(stdev, st_ses, event) (0)
#else
static void run_keep_alive_session(struct sound_trigger_device *stdev,
st_session_t *st_ses, int event)
{
struct sound_trigger_event_info event_info;
ALOGV("%s: keep alive event %d", __func__, event);
event_info.st_ses.p_ses = NULL;
if ((ST_EXEC_MODE_ARM == st_ses->exec_mode) &&
!st_ses->vendor_uuid_info->split_ec_ref_data)
stdev->audio_hal_cb(event, &event_info);
}
#endif /*USE_KEEP_ALIVE*/
static int allocate_arm_second_stage_session(struct st_arm_second_stage **st_sec_stage,
unsigned int sm_size)
{
int status = 0;
*st_sec_stage = calloc(1, sizeof(struct st_arm_second_stage));
if (!*st_sec_stage) {
ALOGE("%s: failed to allocate struct st_arm_second_stage", __func__);
status = -ENOMEM;
goto exit;
}
(*st_sec_stage)->ss_info = calloc(1, sizeof(struct st_second_stage_info));
if (!(*st_sec_stage)->ss_info) {
ALOGE("%s: failed to allocate struct st_second_stage_info", __func__);
status = -ENOMEM;
goto exit;
}
(*st_sec_stage)->ss_session = calloc(1, sizeof(struct st_arm_ss_session));
if (!(*st_sec_stage)->ss_session) {
ALOGE("%s: failed to allocate struct st_arm_ss_session", __func__);
status = -ENOMEM;
goto exit;
}
(*st_sec_stage)->ss_session->sound_model = calloc(sm_size, sizeof(char));
if (!(*st_sec_stage)->ss_session->sound_model) {
ALOGE("%s: failed to allocate second stage sound model", __func__);
status = -ENOMEM;
goto exit;
}
exit:
return status;
}
static void deallocate_arm_second_stage_session(
struct st_arm_second_stage *st_sec_stage)
{
if (st_sec_stage) {
if (st_sec_stage->ss_info) {
free(st_sec_stage->ss_info);
st_sec_stage->ss_info = NULL;
}
if (st_sec_stage->ss_session) {
st_sec_stage->ss_session->st_ses = NULL;
if (st_sec_stage->ss_session->sound_model) {
free(st_sec_stage->ss_session->sound_model);
st_sec_stage->ss_session->sound_model = NULL;
}
free(st_sec_stage->ss_session);
st_sec_stage->ss_session = NULL;
}
free(st_sec_stage);
st_sec_stage = NULL;
}
}
static int allocate_lsm_ss_config(st_lsm_ss_config_t **ss_cfg, size_t sm_size)
{
st_lsm_ss_config_t *cfg;
cfg = calloc(1, sizeof(st_lsm_ss_config_t));
if (!cfg) {
ALOGE("%s: failed to allocate lsm ss config", __func__);
return -ENOMEM;
}
cfg->sm_data = calloc(sm_size, sizeof(char));
if (!cfg->sm_data) {
ALOGE("%s: failed to allocate sound model lsm ss config", __func__);
free(cfg);
return -ENOMEM;
}
*ss_cfg = cfg;
return 0;
}
static void deallocate_lsm_ss_config(st_lsm_ss_config_t *ss_cfg)
{
if (ss_cfg) {
free(ss_cfg->sm_data);
free(ss_cfg);
}
}
/*
* This function takes the sound model id from each SML_BigSoundModelTypeV3 in
* the sound_trigger_sound_model payload, and looks for a match in the platform
* list derived from the platform xml file. If there is a match, allocate the
* structures needed to support a second stage session.
*/
static int check_and_configure_second_stage_models
(
st_session_t *st_ses,
uint8_t *sm_payload,
uint32_t num_models,
uint32_t recognition_mode
)
{
int ret = 0;
struct st_ss_usecase ss_usecase;
struct st_arm_second_stage *st_sec_stage = NULL;
SML_BigSoundModelTypeV3 *big_sm;
uint32_t i;
uint8_t *sound_model;
for (i = 0; i < num_models; i++) {
big_sm = (SML_BigSoundModelTypeV3 *)(sm_payload + sizeof(SML_GlobalHeaderType) +
sizeof(SML_HeaderTypeV3) + (i * sizeof(SML_BigSoundModelTypeV3)));
if (big_sm->type != ST_SM_ID_SVA_GMM) {
if (big_sm->type == SML_ID_SVA_S_STAGE_UBM || (big_sm->type == ST_SM_ID_SVA_VOP &&
!(recognition_mode & RECOGNITION_MODE_USER_IDENTIFICATION)))
continue;
ss_usecase = platform_get_ss_usecase(st_ses->vendor_uuid_info, big_sm->type);
if (ss_usecase.type == ST_SS_USECASE_TYPE_ARM) {
ret = allocate_arm_second_stage_session(&st_sec_stage, big_sm->size);
if (ret || (st_sec_stage == NULL)) {
ALOGE("%s: failed to allocate arm second stage session", __func__);
goto exit;
}
st_sec_stage->ss_session->sm_size = big_sm->size;
sound_model = (uint8_t *)(sm_payload + sizeof(SML_GlobalHeaderType) +
sizeof(SML_HeaderTypeV3) + (num_models * sizeof(SML_BigSoundModelTypeV3)) +
big_sm->offset);
memcpy(st_sec_stage->ss_session->sound_model, sound_model, big_sm->size);
memcpy((char *)st_sec_stage->ss_info, (char *)&ss_usecase.arm->common_params,
sizeof(struct st_second_stage_info));
st_sec_stage->stdev = st_ses->stdev;
list_add_tail(&st_ses->second_stage_list, &st_sec_stage->list_node);
ALOGD("%s: Added second stage session of type %d", __func__,
st_sec_stage->ss_info->sm_detection_type);
} else if (ss_usecase.type == ST_SS_USECASE_TYPE_LSM) {
st_lsm_ss_config_t *ss_cfg = NULL;
if (!st_hw_check_ses_ss_usecase_allowed(st_ses)) {
ALOGE("%s: cannot add requested lsm ss usecase", __func__);
ret = -EBUSY;
goto exit;
}
ret = allocate_lsm_ss_config(&ss_cfg, big_sm->size);
if (ret) {
ALOGE("%s: failed to allocate lsm ss config", __func__);
goto exit;
}
ss_cfg->sm_size = big_sm->size;
sound_model = (uint8_t *)(sm_payload + sizeof(SML_GlobalHeaderType) +
sizeof(SML_HeaderTypeV3) + (num_models * sizeof(SML_BigSoundModelTypeV3)) +
big_sm->offset);
memcpy(ss_cfg->sm_data, sound_model, big_sm->size);
ss_cfg->params = ss_usecase.lsm;
ss_cfg->ss_info = &ss_usecase.lsm->common_params;
list_add_tail(&st_ses->hw_proxy_ses->hw_ses_adsp->lsm_ss_cfg_list,
&ss_cfg->list_node);
ALOGD("%s: Added second stage lsm usecase with sm id %d", __func__, big_sm->type);
} else if (ss_usecase.type == ST_SS_USECASE_TYPE_NONE) {
ALOGE("%s: No matching usecase in sound trigger platform for sm_id %d",
__func__, big_sm->type);
ret = -EINVAL;
goto exit;
}
}
}
return 0;
exit:
deallocate_arm_second_stage_session(st_sec_stage);
return ret;
}
/*
* This function finds the first stage sound model raw data size and offset, and sets
* the sound_trigger_sound_model payload size and offset to these values.
*/
static int get_first_stage_model(struct sound_trigger_sound_model **common_sm,
uint8_t *sm_payload, uint32_t num_models,
st_module_type_t *sm_version)
{
SML_BigSoundModelTypeV3 *big_sm = NULL;
uint32_t i = 0;
int status = 0;
for (i = 0; i < num_models; i++) {
big_sm = (SML_BigSoundModelTypeV3 *)(sm_payload + sizeof(SML_GlobalHeaderType) +
sizeof(SML_HeaderTypeV3) + (i * sizeof(SML_BigSoundModelTypeV3)));
if (big_sm->type == ST_SM_ID_SVA_GMM) {
if (big_sm->versionMajor == ST_MODULE_TYPE_PDK5)
*sm_version = ST_MODULE_TYPE_PDK5;
else
*sm_version = ST_MODULE_TYPE_GMM;
(*common_sm)->data_size = big_sm->size;
(*common_sm)->data_offset += sizeof(SML_GlobalHeaderType) + sizeof(SML_HeaderTypeV3) +
(num_models * sizeof(SML_BigSoundModelTypeV3)) + big_sm->offset;
break;
}
}
if (!(*common_sm)) {
ALOGE("%s: common_sm was not initialized, exiting", __func__);
status = -EINVAL;
}
return status;
}
#ifdef ST_SUPPORT_GET_MODEL_STATE
static int stdev_get_model_state(const struct sound_trigger_hw_device *dev,
sound_model_handle_t handle)
{
int status = 0;
st_session_t* st_ses = NULL;
struct sound_trigger_device *stdev = (struct sound_trigger_device *)dev;
ALOGD("%s:[%d] Enter", __func__, handle);
if (!stdev) {
ALOGE("%s: sound_trigger_device is NULL, exiting", __func__);
return -ENODEV;
}
pthread_mutex_lock(&stdev->lock);
st_ses = get_sound_trigger_session(stdev, handle);
if (!st_ses) {
ALOGE("%s: Error - no sound trigger session with handle %d",
__func__, handle);
status = -ENOSYS;
goto err_exit;
}
status = st_session_request_detection(st_ses);
err_exit:
pthread_mutex_unlock(&stdev->lock);
ALOGD("%s: Exit, status %d", __func__, status);
return status;
}
#endif
static int stdev_load_sound_model(const struct sound_trigger_hw_device *dev,
struct sound_trigger_sound_model *sound_model,
sound_model_callback_t callback __unused,
void *cookie __unused,
sound_model_handle_t *handle)
{
int status = 0;
st_exec_mode_t exec_mode;
st_session_t *st_session = NULL;
struct sound_trigger_phrase_sound_model *phrase_sm = NULL;
struct sound_trigger_sound_model *common_sm = NULL;
unsigned int sm_size = 0;
struct sound_trigger_device *stdev = (struct sound_trigger_device *)dev;
uint8_t *sm_payload;
SML_GlobalHeaderType *global_hdr;
SML_HeaderTypeV3 *hdr_v3;
uint32_t num_models = 0, sml_version = SML_MODEL_V2;
st_module_type_t sm_version = ST_MODULE_TYPE_GMM;
struct listnode *node = NULL, *tmp_node = NULL;
struct st_arm_second_stage *st_sec_stage = NULL;
stdev->disable_stale = false;
ALOGD("%s", __func__);
ATRACE_BEGIN("sthal: stdev_load_sound_model");
pthread_mutex_lock(&stdev->lock);
if (handle == NULL || sound_model == NULL) {
status = -EINVAL;
goto exit;
}
/*
* For LPMA feature, client just passes known vendor_uuid to start the
* LPMA usecase. This is a hacky way of reusing existing HAL interface
* to start/stop LPMA non-VA usecase from client.
*/
if (!memcmp(&sound_model->vendor_uuid,
&lpma_uuid, sizeof(sound_trigger_uuid_t))) {
if (stdev->lpma_handle == -1) {
status = sthw_extn_lpma_notify_event(LPMA_EVENT_START);
*handle = (!status ? android_atomic_inc(&stdev->session_id): -1);
stdev->lpma_handle = *handle;
} else {
ALOGD("%s: lpma is already started", __func__);
*handle = stdev->lpma_handle;
}
pthread_mutex_unlock(&stdev->lock);
ATRACE_END();
ALOGD("%s: lpma exit status %d", __func__, status);
return status;
}
/*
* for swmad case dont load sm and return failure to client
*/
if (!stdev->session_allowed && stdev->sw_mad) {
ALOGW("%s: session prevented by concurrency", __func__);
status = -ENODEV;
goto exit;
}
if (sound_model->type == SOUND_MODEL_TYPE_KEYPHRASE) {
phrase_sm = (struct sound_trigger_phrase_sound_model *)sound_model;
if ((phrase_sm->common.data_size == 0) ||
(phrase_sm->common.data_offset < sizeof(*phrase_sm)) ||
(phrase_sm->common.type != SOUND_MODEL_TYPE_KEYPHRASE) ||
(phrase_sm->num_phrases == 0)) {
ALOGE("%s: Invalid phrase sound model params data size=%d, data offset=%d, "
"type=%d phrases=%d", __func__, phrase_sm->common.data_size,
phrase_sm->common.data_offset, phrase_sm->common.type,
phrase_sm->num_phrases);
status = -EINVAL;
goto exit;
}
common_sm = &phrase_sm->common;
sm_payload = (uint8_t *)common_sm + common_sm->data_offset;
global_hdr = (SML_GlobalHeaderType *)sm_payload;
if (global_hdr->magicNumber == SML_GLOBAL_HEADER_MAGIC_NUMBER) {
sml_version = SML_MODEL_V3;
hdr_v3 = (SML_HeaderTypeV3 *)(sm_payload + sizeof(SML_GlobalHeaderType));
num_models = hdr_v3->numModels;
status = get_first_stage_model(&common_sm, sm_payload, num_models, &sm_version);
if (status) {
ALOGE("%s: Failed to set the first stage sound modle offset and size",
__func__);
goto exit;
}
}
sm_size = sizeof(*phrase_sm) + phrase_sm->common.data_size;
} else if (sound_model->type == SOUND_MODEL_TYPE_GENERIC) {
if (!sound_model->data_size ||
(sound_model->data_offset < sizeof(*common_sm))) {
ALOGE("%s: Invalid Generic sound model params data size=%d, data offset=%d",
__func__, sound_model->data_size, sound_model->data_offset);
status = -EINVAL;
goto exit;
}
common_sm = sound_model;
sm_size = sizeof(*common_sm) + common_sm->data_size;
sm_payload = (uint8_t *)common_sm + common_sm->data_offset;
} else {
ALOGE("%s: Unknown sound model type %d", __func__, sound_model->type);
status = -EINVAL;
goto exit;
}
ALOGV("%s: sm_size=%d data_size=%d", __func__, sm_size, common_sm->data_size);
st_session = calloc(1, sizeof(st_session_t));
if (!st_session) {
status = -ENOMEM;
goto exit;
}
list_init(&st_session->second_stage_list);
st_session->f_stage_version = sm_version;
/* CPE takes time to become online, so parse for the pcm devices
here instead during boot time */
if (!CHECK_BIT(stdev->hw_type,
ST_DEVICE_HW_APE|ST_DEVICE_HW_CPE|ST_DEVICE_HW_ARM)) {
status = platform_stdev_get_hw_type(stdev->platform);
if (status)
goto exit;
}
st_session->vendor_uuid_info = platform_stdev_get_vendor_info(
stdev->platform,
&common_sm->vendor_uuid);
if (!st_session->vendor_uuid_info) {
ALOGE("%s: no matching vendor uuid found", __func__);
status = -EINVAL;
goto exit;
}
exec_mode = get_session_exec_mode(st_session, common_sm);
if (exec_mode == ST_EXEC_MODE_NONE) {
status = -EINVAL;
goto exit;
}
*handle = android_atomic_inc(&stdev->session_id);
ALOGD("%s:[%d] calling st_session_init", __func__, *handle);
status = st_session_init(st_session, stdev, exec_mode, *handle);
if (status) {
ALOGE("%s: failed to initialize st_session with error %d", __func__,
status);
goto exit_1;
}
ALOGD("%s: second state detection %s",__func__,
st_session->vendor_uuid_info->second_stage_supported ? "supported" : "not supported");
/*
* Parse second stage sound models and populate the second stage list for
* this session.
*/
if (sml_version == SML_MODEL_V3 && st_session->vendor_uuid_info->second_stage_supported) {
status = check_and_configure_second_stage_models(st_session, sm_payload,
num_models, phrase_sm->phrases[0].recognition_mode);
if (status) {
ALOGE("%s: Failed to set the second stage list", __func__);
goto exit_2;
}
}
if (!list_empty(&st_session->second_stage_list)) {
ALOGD("%s: calling st_session_ss_init ", __func__);
status = st_session_ss_init(st_session);
if (status) {
ALOGE("%s: failed to initialize st_session second stage,"
"error %d", __func__, status);
goto exit_2;
}
}
/*
* Store the sound model information for handling SSR
* and interaction with smlib
*/
st_session->phrase_sm = calloc(1, sm_size);
if (!st_session->phrase_sm) {
status = -ENOMEM;
goto exit_3;
}
if (sound_model->type == SOUND_MODEL_TYPE_KEYPHRASE) {
memcpy(st_session->phrase_sm, (char *)phrase_sm, sizeof(*phrase_sm));
st_session->phrase_sm->common.data_offset = sizeof(*phrase_sm);
memcpy((char *)st_session->phrase_sm + sizeof(*phrase_sm),
(char *)phrase_sm + phrase_sm->common.data_offset,
phrase_sm->common.data_size);
/* TODO: SVA doesn't support per keyword recognition mode.
* So use the first phrase recognition mode. App is supposed
* to set the proper recognition mode in the first phrase
*/
st_session->recognition_mode = phrase_sm->phrases[0].recognition_mode;
ALOGD("%s: sm magic number 0x%x rm %d", __func__,
((int *)((char *)st_session->phrase_sm +
phrase_sm->common.data_offset))[0],
phrase_sm->phrases[0].recognition_mode);
} else {
st_session->recognition_mode = RECOGNITION_MODE_VOICE_TRIGGER;
memcpy(st_session->phrase_sm, (char *)common_sm, sizeof(*common_sm));
memcpy((char *)st_session->phrase_sm + common_sm->data_offset,
(char *)common_sm + common_sm->data_offset,
common_sm->data_size);
ALOGD("%s: sm magic number 0x%x", __func__,
((int *)((char *)st_session->phrase_sm +
common_sm->data_offset))[0]);
}
st_session->sm_type = sound_model->type;
st_hw_check_and_update_lpi(stdev, NULL);
st_hw_check_and_set_lpi_mode(st_session);
status = st_session_load_sm(st_session);
if (status) {
goto exit_3;
}
if (!stdev->session_allowed) {
status = st_session_pause(st_session);
if (status) {
st_session_unload_sm(st_session);
goto exit_3;
}
}
/* Keyphrase, user information is valid only for keyphrase sound models */
if ((common_sm->type == SOUND_MODEL_TYPE_KEYPHRASE) && (phrase_sm != NULL))
update_available_phrase_info(st_session, phrase_sm, false);
/* Add the session to the list of registered sound models list */
list_add_tail(&stdev->sound_model_list, &st_session->list_node);
pthread_mutex_unlock(&stdev->lock);
ATRACE_END();
run_keep_alive_session(stdev, st_session, ST_EVENT_START_KEEP_ALIVE);
ALOGD("%s: success, sound_model_handle %d", __func__, st_session->sm_handle);
return 0;
exit_3:
if (st_session->phrase_sm != NULL)
free(st_session->phrase_sm);
if (!list_empty(&st_session->second_stage_list))
st_session_ss_deinit(st_session);
exit_2:
st_session_deinit(st_session);
exit_1:
android_atomic_dec(&stdev->session_id);
exit:
if (st_session != NULL) {
list_for_each_safe(node, tmp_node, &st_session->second_stage_list) {
st_sec_stage = node_to_item(node, st_arm_second_stage_t, list_node);
list_remove(&st_sec_stage->list_node);
deallocate_arm_second_stage_session(st_sec_stage);
}
if (st_session->hw_proxy_ses &&
st_session->hw_proxy_ses->hw_ses_adsp) {
list_for_each_safe(node, tmp_node,
&st_session->hw_proxy_ses->hw_ses_adsp->lsm_ss_cfg_list) {
st_lsm_ss_config_t *cfg =
node_to_item(node, st_lsm_ss_config_t, list_node);
list_remove(&cfg->list_node);
deallocate_lsm_ss_config(cfg);
}
}
free(st_session);
st_session = NULL;
}
if (handle != NULL)
*handle = -1;
pthread_mutex_unlock(&stdev->lock);
ATRACE_END();
return status;
}
/* called with stdev lock held */
static int stdev_reconfig_backend_on_stop(st_session_t *stopped_ses)
{
/*
* Of the remaining sessions, pick the session with the
* best ch_count, rate, format and reconfigure backend according to it.
* Examples
* 1) Assume two sessions are active. S1 is using mono and S2 is using stereo.
* As S2 is using stereo, backend will be configured as stereo.
* If S1 stops, maintain backend as stereo.
* If S2 stops, change backend to mono
* 2) Assume single session S2 (stereo)
* If S2 stops, reset backend to allow a future session (S1) to
* to optimally set the backend at mono.
*/
st_session_t *best_ses = NULL;
st_session_t *ses = NULL;
struct listnode *ses_node = NULL;
int ses_channel_count = 0;
int stopped_ses_channel_count = 0;
int best_channel_count = 0;
unsigned int stopped_ses_vad_preroll = 0;
unsigned int best_vad_preroll = 0, preroll = 0;
bool stopped_ses_lpi_mode = false, is_stopped = false;
if (stopped_ses->exec_mode != ST_EXEC_MODE_ADSP &&
stopped_ses->exec_mode != ST_EXEC_MODE_ARM)
return 0;
is_stopped = (st_session_is_detected(stopped_ses) == false) &&
(st_session_is_active(stopped_ses) == false) &&
(st_session_is_buffering(stopped_ses) == false);
if (!is_stopped || is_any_session_buffering()) {
ALOGW("defer backend reconfig as session not stopped or buffering");
return 0;
}
struct st_vendor_info *stopped_v_info = stopped_ses->vendor_uuid_info;
ALOGV("%s:[%d] v_info %p", __func__, stopped_ses->sm_handle, stopped_v_info);
stopped_ses_channel_count =
platform_stdev_get_backend_channel_count(stdev->platform,
stopped_v_info);
if ((stopped_ses->exec_mode == ST_EXEC_MODE_ADSP) &&
stopped_ses->hw_proxy_ses->hw_ses_adsp) {
stopped_ses_lpi_mode = stopped_ses->hw_proxy_ses->hw_ses_adsp->lpi_enable;
stopped_ses_vad_preroll = st_session_get_preroll(stopped_ses);
}
list_for_each(ses_node, &stdev->sound_model_list) {
ses = node_to_item(ses_node, st_session_t, list_node);
if (ses->exec_mode != ST_EXEC_MODE_ADSP &&
ses->exec_mode != ST_EXEC_MODE_ARM)
continue;
if (ses == stopped_ses) {
ALOGV("ses == stopped_ses, ignore");
continue;
}
is_stopped = (st_session_is_detected(ses) == false) &&
(st_session_is_active(ses) == false) &&
(st_session_is_buffering(ses) == false);
if (is_stopped) {
ALOGV("%s:[%d] is stopped, ignore", __func__, ses->sm_handle);
continue;
}
ses_channel_count =
platform_stdev_get_backend_channel_count(stdev->platform,
ses->vendor_uuid_info);
ALOGV("%s:[%d] check ses_v_info %p", __func__, ses->sm_handle,
ses->vendor_uuid_info);
if (ses->exec_mode == ST_EXEC_MODE_ADSP) {
preroll = st_session_get_preroll(ses);
if (preroll > best_vad_preroll)
best_vad_preroll = preroll;
}
if ((best_ses == NULL) || (ses_channel_count > best_channel_count)) {
best_ses = ses;
best_channel_count = ses_channel_count;
}
}
st_hw_check_and_update_lpi(stdev, NULL);
stdev->vad_enable = st_hw_check_vad_support(stdev, best_ses,
stdev->lpi_enable);
/* skip reconfig/reset if any other session still active with best config */
if ((best_ses != NULL) &&
(stopped_ses_channel_count <= best_channel_count) &&
(stopped_ses_lpi_mode == stdev->lpi_enable) &&
(stopped_ses_vad_preroll <= best_vad_preroll)) {
ALOGV("%s: stdev %p skipped reconfig", __func__, stdev);
return 0;
}
if (best_ses) {
platform_stdev_set_codec_backend_cfg(stdev->platform,
best_ses->vendor_uuid_info,
stdev->lpi_enable,
stdev->vad_enable,
best_vad_preroll);
ALOGI("%s:[%d] force changed backend to %d", __func__,
best_ses->sm_handle, best_channel_count);
stop_other_sessions(stdev, stopped_ses);
start_other_sessions(stdev, stopped_ses);
} else {
ALOGI("%s: no session remains, reset to default", __func__);
platform_stdev_reset_backend_cfg(stdev->platform);
}
return 0;
}
/* to be called with no locks held */
static void stdev_session_event_cb(sound_model_handle_t handle,
st_session_event_id_t event)
{
pthread_mutex_lock(&stdev->lock);
st_session_t* st_ses = get_sound_trigger_session(stdev, handle);
if (!st_ses)
goto exit;
ALOGV("%s:[%d] event %d", __func__, handle, event);
switch (event) {
case ST_SES_EV_DEFERRED_STOP:
if (st_ses->pending_stop)
stop_recognition_l(st_ses);
break;
default:
break;
}
exit:
pthread_mutex_unlock(&stdev->lock);
}
static int stdev_unload_sound_model(const struct sound_trigger_hw_device *dev,
sound_model_handle_t handle)
{
struct sound_trigger_device *stdev = (struct sound_trigger_device *)dev;
st_session_t *st_session = NULL;
int status = 0, ret = 0;
struct listnode *node = NULL, *tmp_node = NULL;
struct st_arm_second_stage *st_sec_stage = NULL;
ALOGD("%s:[%d] Enter", __func__, handle);
ATRACE_BEGIN("sthal: stdev_unload_sound_model");
pthread_mutex_lock(&stdev->lock);
if (handle == stdev->lpma_handle) {
status = sthw_extn_lpma_notify_event(LPMA_EVENT_STOP);
stdev->lpma_handle = -1;
pthread_mutex_unlock(&stdev->lock);
ATRACE_END();
ALOGD("%s: lpma exit status %d", __func__, status);
return status;
}
st_session = get_sound_trigger_session(stdev, handle);
if (!st_session) {
ALOGE("%s: Could not find sound model %d", __func__, handle);
ret = -EINVAL;
goto exit;
}
ALOGD("%s:[%d] fs detections: %d, ss detections: %d, ss rejections: %d",
__func__, handle, st_session->fs_det_count, st_session->ss_det_count,
st_session->ss_rej_count);
if (st_session->callback) {
status = stop_recognition_l(st_session);
if (status) {
ALOGE("%s:[%d] Failed to stop recognition, status %d", __func__,
handle, status);
ret = status;
}
}
status = st_session_unload_sm(st_session);
if (status) {
ALOGE("%s:[%d] Failed to unload sound model, status %d", __func__,
handle, status);
ret = status;
}
list_remove(&st_session->list_node);
if (st_session->sm_type == SOUND_MODEL_TYPE_KEYPHRASE)
update_available_phrase_info(st_session, st_session->phrase_sm, true);
if (!get_num_sessions())
stdev->exec_mode = ST_EXEC_MODE_NONE;
pthread_mutex_lock(&st_session->lock);
free(st_session->phrase_sm);
pthread_mutex_unlock(&st_session->lock);
run_keep_alive_session(stdev, st_session, ST_EVENT_STOP_KEEP_ALIVE);
if (!list_empty(&st_session->second_stage_list)) {
st_session_ss_deinit(st_session);
list_for_each_safe(node, tmp_node, &st_session->second_stage_list) {
st_sec_stage = node_to_item(node, st_arm_second_stage_t, list_node);
list_remove(&st_sec_stage->list_node);
deallocate_arm_second_stage_session(st_sec_stage);
}
}
if (st_session && st_session->hw_proxy_ses->hw_ses_adsp) {
list_for_each_safe(node, tmp_node,
&st_session->hw_proxy_ses->hw_ses_adsp->lsm_ss_cfg_list) {
st_lsm_ss_config_t *cfg =
node_to_item(node, st_lsm_ss_config_t, list_node);
list_remove(&cfg->list_node);
deallocate_lsm_ss_config(cfg);
}
}
st_session_deinit(st_session);
free(st_session);
exit:
pthread_mutex_unlock(&stdev->lock);
ATRACE_END();
ALOGD("%s: Exit status %d", __func__, ret);
return ret;
}
static int stdev_start_recognition
(
const struct sound_trigger_hw_device *dev,
sound_model_handle_t sound_model_handle,
const struct sound_trigger_recognition_config *config,
recognition_callback_t callback,
void *cookie
)
{
struct sound_trigger_device *stdev = (struct sound_trigger_device *)dev;
st_session_t *st_session = NULL;
int status = 0;
bool config_updated = false;
bool backend_cfg_change = false;
ALOGD("%s:[%d] Enter", __func__, sound_model_handle);
ATRACE_BEGIN("sthal: stdev_start_recognition");
pthread_mutex_lock(&stdev->lock);
if (!callback || !config) {
ALOGE("%s: ERROR. NULL params", __func__);
status = -EINVAL;
goto exit;
}
st_session = get_sound_trigger_session(stdev, sound_model_handle);
if (!st_session) {
ALOGE("%s: ERROR. Could not find session for sound model %d", __func__,
sound_model_handle);
status = -EINVAL;
goto exit;
}
ALOGV("%s:[%d] About to take session lock", __func__, sound_model_handle);
pthread_mutex_lock(&st_session->lock);
if (!st_session->rc_config ||
!compare_recognition_config(config, st_session->rc_config)) {
config_updated = true;
ALOGV("%s:[%d] received new params ", __func__, st_session->sm_handle);
/*
* Store the recogntion configuration for sending opaque data
* and for SSR, passing to sounmodel wrapper library.
*/
if (st_session->rc_config)
free(st_session->rc_config);
/*
* 2nd stage sessions require SVA 3.0 opaque data. This check prevents
* the session from being active with the wrong settings.
*/
if ((config->data_size <= CUSTOM_CONFIG_OPAQUE_DATA_SIZE) &&
st_session->vendor_uuid_info->is_qcva_uuid &&
!list_empty(&st_session->second_stage_list)) {
ALOGE("%s: SVA 3.0 rc_config opaque data required, exiting",
__func__);
status = -EINVAL;
goto cleanup;
}
st_session->rc_config = calloc(1, sizeof(*config) + config->data_size);
if (!st_session->rc_config) {
ALOGE("%s: No memory for rc_config", __func__);
status = -ENOMEM;
goto cleanup;
}
memcpy(st_session->rc_config, (char *)config, sizeof(*config));
/*
* SOUND_TRIGGER_DEVICE_API_VERSION_1_3 version introduced new strucutre
* sound_trigger_recognition_config_extended_1_3 containing header and base,
* so the data_offset for opaque data is relative to this new structure,
* leading to extra 12 bytes (8 bytes for header and 4 bytes for audio_capabilities)
* w.r.t recoginition config structure. So the extra bytes need to be subtracted
* from the data_offset passed considering new strucutre. Opaque data starts after
* audio_capabilities variable in sound_trigger_recognition_config_extended_1_3
*/
if (hw_properties_extended.header.version == SOUND_TRIGGER_DEVICE_API_VERSION_1_3) {
st_session->rc_config->data_offset -= (sizeof(struct sound_trigger_recognition_config_header) +
sizeof(uint32_t));
memcpy((char *)st_session->rc_config + st_session->rc_config->data_offset,
(char *)config + config->data_offset -
sizeof(struct sound_trigger_recognition_config_header),
config->data_size);
} else {
memcpy((char *)st_session->rc_config + st_session->rc_config->data_offset,
(char *)config + config->data_offset, config->data_size);
}
ALOGVV("%s: num_phrases=%d, id=%d", __func__,
st_session->rc_config->num_phrases,
st_session->rc_config->phrases[0].id);
st_session->callback = callback;
st_session->cookie = cookie;
/* capture_handle will be shared with AHAL for reading LAB data */
st_session->capture_handle = config->capture_handle;
st_session->capture_requested = config->capture_requested;
/*
* Must be called before lpi decision with updated config:
* preroll, client requested mode etc..
*/
status = st_session_update_recongition_config(st_session);
if (status) {
ALOGE("%s: ERROR. updating rc_config, returned status %d",
__func__, status);
goto cleanup;
}
}
if (ST_EXEC_MODE_ADSP == st_session->exec_mode ||
ST_EXEC_MODE_ARM == st_session->exec_mode) {
st_hw_check_and_update_lpi(stdev, st_session);
stdev->vad_enable = st_hw_check_vad_support(stdev, st_session,
stdev->lpi_enable);
int vad_preroll = st_session_get_preroll(st_session);
status = platform_stdev_check_and_set_codec_backend_cfg(stdev->platform,
st_session->vendor_uuid_info, &backend_cfg_change,
stdev->lpi_enable, stdev->vad_enable, vad_preroll);
if (status) {
ALOGE("%s: ERROR. codec backend config update failed", __func__);
goto cleanup;
}
if (backend_cfg_change) {
/*
* If backend config change because of this session, stop and start
* existing sessions.
* This will ensure existing sessions are routed with same updated
* codec backend configuration.
* set config_updated to true so that current session is also stopped
* and started to reflect configuration update.
*/
ALOGV("%s: backend config change, stop existing sessions", __func__);
stop_other_sessions(stdev, st_session);
config_updated = true;
}
}
/*
* Check if there is any change in config, if not issue restart event
* to state machine
*/
if (config_updated)
status = st_session_start(st_session);
else
status = st_session_restart(st_session);
if (status) {
/*
* still return success to sound trigger service, as session
* can be resumed internally due to SSR or PDR
*/
status = 0;
ALOGE("%s: failed to (re)start session", __func__);
}
if (backend_cfg_change) {
ALOGV("%s: backend config change, start existing sessions", __func__);
start_other_sessions(stdev, st_session);
}
/* Switch session to high performance/low power mode if requested by APP */
if ((ST_EXEC_MODE_CPE == st_session->exec_mode) &&
(ST_DET_HIGH_PERF_MODE == st_session->client_req_det_mode))
check_and_transit_cpe_ses_to_ape(st_session);
else if ((ST_EXEC_MODE_ADSP == st_session->exec_mode) &&
(ST_DET_LOW_POWER_MODE == st_session->client_req_det_mode))
check_and_transit_ape_ses_to_cpe(st_session);
cleanup:
pthread_mutex_unlock(&st_session->lock);
exit:
pthread_mutex_unlock(&stdev->lock);
ATRACE_END();
ALOGD("%s:[%d] Exit", __func__, sound_model_handle);
return status;
}
static int stdev_start_recognition_extended
(
const struct sound_trigger_hw_device *dev,
sound_model_handle_t sound_model_handle,
const struct sound_trigger_recognition_config_header *config,
recognition_callback_t callback,
void *cookie
)
{
return stdev_start_recognition(dev, sound_model_handle,
&((struct sound_trigger_recognition_config_extended_1_3 *)config)->base,
callback, cookie);
}
static int stdev_stop_recognition(const struct sound_trigger_hw_device *dev,
sound_model_handle_t sound_model_handle)
{
struct sound_trigger_device *stdev = (struct sound_trigger_device *)dev;
struct st_session *st_session = NULL;
int status = 0;
ALOGD("%s:[%d] Enter", __func__, sound_model_handle);
ATRACE_BEGIN("sthal: stdev_stop_recognition");
pthread_mutex_lock(&stdev->lock);
st_session = get_sound_trigger_session(stdev, sound_model_handle);
if (st_session == NULL) {
ATRACE_END();
ALOGE("%s: Could not find sound model %d", __func__, sound_model_handle);
status = -EINVAL;
pthread_mutex_unlock(&stdev->lock);
return status;
}
/* If ftrt processing loop in progress, indicate to exit
before acquiring the lock here */
status = stop_recognition_l(st_session);
pthread_mutex_unlock(&stdev->lock);
ATRACE_END();
ALOGD("%s:[%d] Exit status %d", __func__, sound_model_handle, status);
return status;
}
static int stdev_close(hw_device_t *device)
{
struct sound_trigger_device *st_device =
(struct sound_trigger_device *)device;
st_session_t *st_session = NULL;
struct listnode *node = NULL, *tmp_node = NULL;
int status = 0;
ALOGD("%s: count=%d", __func__, stdev_ref_cnt);
ATRACE_BEGIN("sthal: stdev_close");
pthread_mutex_lock(&stdev_init_lock);
if (!st_device) {
goto exit;
}
if (--stdev_ref_cnt != 0) {
ALOGD("%s: Exit device=%p cnt=%d ", __func__, st_device,
stdev_ref_cnt);
goto exit;
}
pthread_mutex_lock(&st_device->lock);
sthw_extn_lpma_deinit();
platform_stdev_deinit(st_device->platform);
free(st_device->arm_pcm_use_cases);
free(st_device->ape_pcm_use_cases);
free(st_device->dev_ref_cnt);
free(st_device->dev_enable_cnt);
list_for_each_safe(node, tmp_node, &st_device->sound_model_list) {
st_session = node_to_item(node, st_session_t, list_node);
list_remove(node);
st_session_stop_lab(st_session);
st_session_stop(st_session);
if (!list_empty(&st_session->second_stage_list))
st_session_ss_deinit(st_session);
st_session_deinit(st_session);
free(st_session->phrase_sm);
free(st_session->rc_config);
free(st_session);
}
pthread_mutex_unlock(&st_device->lock);
hw_session_notifier_deinit();
if (st_device->transit_to_adsp_on_playback ||
st_device->transit_to_adsp_on_battery_charging) {
st_device->stop_transitions_thread_loop = true;
pthread_cond_signal(&st_device->transitions_cond);
status = pthread_join(st_device->transitions_thread, NULL);
if (status)
ALOGE("%s: Error joining transitions thread. status = %d",
__func__, status);
}
pthread_mutex_destroy(&st_device->lock);
pthread_mutex_destroy(&st_device->ref_cnt_lock);
free(device);
stdev = NULL;
exit:
pthread_mutex_unlock(&stdev_init_lock);
ATRACE_END();
return 0;
}
static int stdev_stop_all_recognitions(const struct sound_trigger_hw_device* dev __unused)
{
ALOGV("%s: unsupported API", __func__);
return -ENOSYS;
}
static int stdev_get_parameter(const struct sound_trigger_hw_device *dev __unused,
sound_model_handle_t sound_model_handle __unused,
sound_trigger_model_parameter_t model_param __unused, int32_t* value __unused)
{
ALOGV("%s: unsupported API", __func__);
return -EINVAL;
}
static int stdev_set_parameter(const struct sound_trigger_hw_device *dev __unused,
sound_model_handle_t sound_model_handle __unused,
sound_trigger_model_parameter_t model_param __unused, int32_t value __unused)
{
ALOGV("%s: unsupported API", __func__);
return -EINVAL;
}
static int stdev_query_parameter(const struct sound_trigger_hw_device *dev __unused,
sound_model_handle_t sound_model_handle __unused,
sound_trigger_model_parameter_t model_param __unused,
sound_trigger_model_parameter_range_t* param_range)
{
if (param_range)
param_range->is_supported = false;
return 0;
}
static const struct sound_trigger_properties_header*
stdev_get_properties_extended(const struct sound_trigger_hw_device *dev)
{
struct st_vendor_info *v_info = NULL;
struct listnode *v_node = NULL;
struct sound_trigger_device *stdev = NULL;
sound_model_handle_t handle = 0;
st_session_t *st_session = NULL;
struct sound_trigger_properties_header *prop_hdr = NULL;
int status = 0;
ALOGI("%s: enter", __func__);
if (!dev) {
ALOGW("%s: invalid sound_trigger_hw_device received", __func__);
return NULL;
}
stdev = (struct sound_trigger_device *)dev;
prop_hdr = (struct sound_trigger_properties_header *)&hw_properties_extended;
get_base_properties(stdev);
hw_properties_extended.header.size = sizeof(struct sound_trigger_properties_extended_1_3);
hw_properties_extended.audio_capabilities = 0;
hw_properties_extended.header.version = SOUND_TRIGGER_DEVICE_API_VERSION_1_3;
/*
* The below code is to get hotword algo version from ADSP. In case of any
* errors in getting the version, return base properties as its not harmful
* to bail out STHAL feature with version failure.
*/
pthread_mutex_lock(&stdev->lock);
if (!CHECK_BIT(stdev->hw_type,
ST_DEVICE_HW_APE|ST_DEVICE_HW_CPE|ST_DEVICE_HW_ARM)) {
status = platform_stdev_get_hw_type(stdev->platform);
if (status) {
ALOGW("%s: get hw type failed, %d", __func__, status);
goto exit_2;
}
}
list_for_each(v_node, &stdev->vendor_uuid_list) {
v_info = node_to_item(v_node, struct st_vendor_info, list_node);
if (v_info->get_module_version) {
st_session = calloc(1, sizeof(st_session_t));
if (!st_session) {
ALOGW("%s: st_session allocation failed", __func__);
goto exit_2;
}
st_session->f_stage_version = ST_MODULE_TYPE_GMM;
st_session->vendor_uuid_info = v_info;
handle = android_atomic_inc(&stdev->session_id);
status = st_session_init(st_session, stdev, ST_EXEC_MODE_ADSP, handle);
if (status) {
ALOGW("%s: failed to initialize st_session with error %d", __func__,
status);
goto exit_1;
}
status = st_session_get_module_version(st_session, hw_properties_extended.supported_model_arch);
if (status) {
ALOGW("%s: failed to get module version with error %d", __func__,
status);
goto exit;
}
ALOGV("%s: version is %s", __func__, hw_properties_extended.supported_model_arch);
break;
}
}
exit:
if (st_session)
st_session_deinit(st_session);
exit_1:
if (st_session) {
android_atomic_dec(&stdev->session_id);
free(st_session);
st_session = NULL;
}
exit_2:
pthread_mutex_unlock(&stdev->lock);
return prop_hdr;
}
static int stdev_open(const hw_module_t* module, const char* name,
hw_device_t** device)
{
int status = 0;
ALOGD("%s: Enter", __func__);
ATRACE_BEGIN("sthal: stdev_open");
if (strcmp(name, SOUND_TRIGGER_HARDWARE_INTERFACE) != 0) {
ALOGE("%s: ERROR. wrong interface", __func__);
status = -EINVAL;
goto exit;
}
pthread_mutex_lock(&stdev_init_lock);
if (stdev_ref_cnt != 0) {
*device = &stdev->device.common;
stdev_ref_cnt++;
ATRACE_END();
ALOGD("%s: returning existing stdev instance, exit", __func__);
pthread_mutex_unlock(&stdev_init_lock);
return status;
}
stdev = calloc(1, sizeof(struct sound_trigger_device));
if (!stdev) {
ALOGE("%s: ERROR. stdev alloc failed", __func__);
status = -ENOMEM;
goto exit;
}
stdev->hw_properties = &hw_properties;
status = load_audio_hal();
if (status)
goto exit;
stdev->platform = platform_stdev_init(stdev);
if (!stdev->platform) {
ALOGE("%s: ERROR. platform init failed", __func__);
status = -ENODEV;
goto exit_1;
}
stdev->ape_pcm_use_cases =
calloc(stdev->max_ape_sessions, sizeof(struct use_case_info));
if (!stdev->ape_pcm_use_cases) {
ALOGE("%s: ERROR. Mem alloc failed for ape use cases", __func__);
status = -ENODEV;
goto exit_1;
}
/* Each arm session is associated with corresponding ec ref session */
stdev->arm_pcm_use_cases =
calloc(stdev->max_arm_sessions * 2, sizeof(struct use_case_info));
if (!stdev->arm_pcm_use_cases) {
ALOGE("%s: ERROR. Mem alloc failed for capture use cases", __func__);
status = -ENODEV;
goto exit_1;
}
stdev->dev_ref_cnt =
calloc(ST_EXEC_MODE_MAX * ST_DEVICE_MAX, sizeof(int));
if (!stdev->dev_ref_cnt) {
ALOGE("%s: ERROR. Mem alloc failed dev ref cnt", __func__);
status = -ENOMEM;
goto exit_1;
}
stdev->dev_enable_cnt =
calloc(ST_EXEC_MODE_MAX * ST_DEVICE_MAX, sizeof(int));
if (!stdev->dev_enable_cnt) {
ALOGE("%s: ERROR. Mem alloc failed dev enable cnt", __func__);
status = -ENOMEM;
goto exit_1;
}
if (hw_session_notifier_init(stdev_session_event_cb) < 0) {
ALOGE("%s: Failed to initialize notifier", __func__);
status = -ENOMEM;
goto exit_1;
}
stdev->device.common.tag = HARDWARE_DEVICE_TAG;
#ifdef ST_DEVICE_API_VERSION_1_0
stdev->device.common.version = SOUND_TRIGGER_DEVICE_API_VERSION_1_0;
#else
stdev->device.common.version = SOUND_TRIGGER_DEVICE_API_VERSION_1_3;
#endif
stdev->device.common.module = (struct hw_module_t *) module;
stdev->device.common.close = stdev_close;
stdev->device.get_properties = stdev_get_properties;
stdev->device.load_sound_model = stdev_load_sound_model;
stdev->device.unload_sound_model = stdev_unload_sound_model;
stdev->device.start_recognition = stdev_start_recognition;
stdev->device.stop_recognition = stdev_stop_recognition;
stdev->device.get_properties_extended = stdev_get_properties_extended;
stdev->device.start_recognition_extended = stdev_start_recognition_extended;
stdev->device.stop_all_recognitions = stdev_stop_all_recognitions;
stdev->device.get_parameter = stdev_get_parameter;
stdev->device.set_parameter = stdev_set_parameter;
stdev->device.query_parameter = stdev_query_parameter;
#ifdef ST_SUPPORT_GET_MODEL_STATE
stdev->device.get_model_state = stdev_get_model_state;
#endif
stdev->session_id = 1;
stdev->gcs_token = 1;
stdev->exec_mode = ST_EXEC_MODE_MAX;
stdev->client_req_exec_mode = ST_EXEC_MODE_NONE;
list_init(&stdev->available_devices);
platform_stdev_update_device_list(AUDIO_DEVICE_IN_BUILTIN_MIC, "",
&stdev->available_devices, true);
list_init(&stdev->ec_ref_dev_list);
platform_stdev_update_device_list(AUDIO_DEVICE_OUT_SPEAKER, "",
&stdev->ec_ref_dev_list, true);
list_init(&stdev->active_rx_dev_list);
platform_stdev_update_device_list(AUDIO_DEVICE_OUT_SPEAKER, "",
&stdev->active_rx_dev_list, true);
stdev->session_allowed = true;
stdev->reset_backend = true;
stdev->conc_voice_active = false;
stdev->conc_voip_active = false;
stdev->lpma_handle = -1;
stdev->is_charging = false;
stdev->lpi_enable = false;
stdev->vad_enable = false;
stdev->audio_ec_enabled = false;
stdev->is_buffering = false;
stdev->disable_stale = false;
pthread_mutex_init(&stdev->lock, (const pthread_mutexattr_t *) NULL);
pthread_mutex_init(&stdev->ref_cnt_lock, (const pthread_mutexattr_t*)NULL);
list_init(&stdev->sound_model_list);
if (stdev->transit_to_adsp_on_playback ||
stdev->transit_to_adsp_on_battery_charging)
init_transitions_thread();
sthw_extn_lpma_init(stdev);
dbg_trace_parse_max_lab_reads(); /*For trace log control*/
*device = &stdev->device.common;
stdev_ref_cnt++;
pthread_mutex_unlock(&stdev_init_lock);
#ifdef ST_DEVICE_API_VERSION_1_0
hw_properties_extended.header.version = SOUND_TRIGGER_DEVICE_API_VERSION_1_0;
#else
get_base_properties(stdev);
hw_properties_extended.header.size = sizeof(struct sound_trigger_properties_extended_1_3);
hw_properties_extended.audio_capabilities = 0;
hw_properties_extended.header.version = SOUND_TRIGGER_DEVICE_API_VERSION_1_3;
#endif
ATRACE_END();
ALOGD("%s: Exit ", __func__);
return 0;
exit_1:
if (stdev->dev_ref_cnt)
free(stdev->dev_ref_cnt);
if (stdev->dev_enable_cnt)
free(stdev->dev_enable_cnt);
if (stdev->arm_pcm_use_cases)
free(stdev->arm_pcm_use_cases);
if (stdev->ape_pcm_use_cases)
free(stdev->ape_pcm_use_cases);
if (stdev->audio_hal_handle)
dlclose(stdev->audio_hal_handle);
if (stdev->platform)
platform_stdev_deinit(stdev->platform);
exit:
if (stdev)
free(stdev);
stdev = NULL;
*device = NULL;
pthread_mutex_unlock(&stdev_init_lock);
ATRACE_END();
ALOGD("%s: Exit status %d", __func__, status);
return status;
}
static int stdev_get_param_data(st_session_t *p_ses, audio_event_info_t* config)
{
qsthw_get_param_payload_t payload;
size_t payload_size = sizeof(qsthw_get_param_payload_t);
size_t param_data_size;
int ret = 0;
char value[128] = "";
ret = st_session_get_param_data(p_ses, config->u.st_get_param_data.param,
(void *)&payload, payload_size, &param_data_size);
if (ret) {
ALOGE("%s: ERROR. fetching get param data %d", __func__, ret);
return ret;
}
if (!strncmp(config->u.st_get_param_data.param, QSTHW_PARAMETER_CHANNEL_INDEX,
sizeof(QSTHW_PARAMETER_CHANNEL_INDEX))) {
struct qsthw_target_channel_index_param ch_index_params =
payload.ch_index_params;
if (param_data_size != sizeof(struct qsthw_target_channel_index_param)) {
ALOGE("%s: ERROR. Invalid param data size returned %zd",
__func__, param_data_size);
return -EINVAL;
}
ALOGD("%s: target channel index - [%d]", __func__,
ch_index_params.target_chan_idx);
str_parms_add_int(config->u.st_get_param_data.reply,
QSTHW_PARAMETER_CHANNEL_INDEX, ch_index_params.target_chan_idx);
} else if (!strncmp(config->u.st_get_param_data.param, QSTHW_PARAMETER_DIRECTION_OF_ARRIVAL,
sizeof(QSTHW_PARAMETER_DIRECTION_OF_ARRIVAL))) {
struct qsthw_source_tracking_param st_params = payload.st_params;
if (param_data_size != sizeof(struct qsthw_source_tracking_param)) {
ALOGE("%s: ERROR. Invalid param data size returned %zd",
__func__, param_data_size);
return -EINVAL;
}
ALOGD("%s: target angle boundaries [%d, %d]\n", __func__,
st_params.target_angle_L16[0], st_params.target_angle_L16[1]);
ALOGD("%s: interference angle boundaries [%d, %d]\n", __func__,
st_params.interf_angle_L16[0], st_params.interf_angle_L16[1]);
/*
* To Do: Send polarActivityGUI data also to client
*/
snprintf(value, sizeof(value), "target_angle: [%d, %d], interf_angle :[%d, %d]",
st_params.target_angle_L16[0], st_params.target_angle_L16[0],
st_params.interf_angle_L16[0], st_params.interf_angle_L16[0]);
str_parms_add_str(config->u.st_get_param_data.reply,
QSTHW_PARAMETER_DIRECTION_OF_ARRIVAL, value);
} else {
ALOGE("%s: Invalid get param", __func__);
}
return ret;
}
/*
* Audio hal calls this callback for notifying Subsystem restart,
* lab stop and concurrency events
*/
int sound_trigger_hw_call_back(audio_event_type_t event,
audio_event_info_t* config)
{
struct listnode *p_ses_node = NULL;
st_session_t *p_ses = NULL;
int ret = 0;
size_t bytes_read = 0;
st_exec_mode_t exec_mode = 0;
sound_model_handle_t sm_handle = 0;
pthread_mutex_lock(&stdev_init_lock);
if (!stdev) {
pthread_mutex_unlock(&stdev_init_lock);
return -ENODEV;
}
switch (event) {
case AUDIO_EVENT_PLAYBACK_STREAM_INACTIVE:
case AUDIO_EVENT_PLAYBACK_STREAM_ACTIVE:
ATRACE_BEGIN("sthal: handle_echo_ref_switch");
handle_echo_ref_switch(event, config);
ATRACE_END();
/* fall through */
case AUDIO_EVENT_CAPTURE_DEVICE_INACTIVE:
case AUDIO_EVENT_CAPTURE_DEVICE_ACTIVE:
ATRACE_BEGIN("sthal: handle_audio_concurrency");
handle_audio_concurrency(event, config);
ATRACE_END();
break;
case AUDIO_EVENT_CAPTURE_STREAM_INACTIVE:
case AUDIO_EVENT_CAPTURE_STREAM_ACTIVE:
if (!config) {
ALOGE("%s: NULL capture stream event config", __func__);
ret = -EINVAL;
} else {
handle_audio_concurrency(event, config);
}
break;
case AUDIO_EVENT_UPDATE_ECHO_REF:
handle_audio_ec_ref_enabled(config);
break;
case AUDIO_EVENT_STOP_LAB:
if (!config || !config->u.ses_info.p_ses) {
ALOGE("%s: NULL params for stop lab", __func__);
ret = -EINVAL;
break;
}
ATRACE_BEGIN("sthal: event_stop_lab");
p_ses = config->u.ses_info.p_ses;
pthread_mutex_lock(&stdev->lock);
/* check capture_handle to ensure pointer sanity */
list_for_each(p_ses_node, &stdev->sound_model_list) {
p_ses = node_to_item(p_ses_node, st_session_t, list_node);
if (p_ses->capture_handle == config->u.ses_info.capture_handle) {
st_session_stop_lab(p_ses);
break;
}
}
pthread_mutex_unlock(&stdev->lock);
ATRACE_END();
break;
case AUDIO_EVENT_SSR:
if (!config) {
ALOGE("%s: NULL config for SSR", __func__);
ret = -EINVAL;
break;
}
if ((config->u.status == SND_CARD_STATUS_OFFLINE) ||
(config->u.status == CPE_STATUS_OFFLINE) ||
(config->u.status == SLPI_STATUS_OFFLINE))
handle_ssr_offline(config->u.status);
if ((config->u.status == SND_CARD_STATUS_ONLINE) ||
(config->u.status == CPE_STATUS_ONLINE) ||
(config->u.status == SLPI_STATUS_ONLINE))
handle_ssr_online(config->u.status);
break;
case AUDIO_EVENT_NUM_ST_SESSIONS:
if (!config) {
ALOGE("%s: NULL config for AUDIO_EVENT_NUM_ST_SESSIONS", __func__);
ret = -EINVAL;
break;
}
pthread_mutex_lock(&stdev->lock);
ALOGV("%s: num sessions configured %d", __func__, config->u.value);
stdev->num_sessions_configured = config->u.value;
pthread_mutex_unlock(&stdev->lock);
break;
case AUDIO_EVENT_READ_SAMPLES:
if (!config) {
ALOGE("%s: Invalid config", __func__);
ret = -EINVAL;
break;
}
p_ses = (st_session_t*)config->u.aud_info.ses_info->p_ses;
ret = st_session_read_pcm(p_ses, config->u.aud_info.buf,
config->u.aud_info.num_bytes,
&bytes_read);
break;
case AUDIO_EVENT_DEVICE_CONNECT:
if (!config) {
ALOGE("%s: NULL config for DEVICE_CONNECT", __func__);
ret = -EINVAL;
break;
}
if (config->u.value == AUDIO_DEVICE_OUT_LINE ||
config->u.value == AUDIO_DEVICE_OUT_BLUETOOTH_A2DP ||
config->u.value == AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES ||
config->u.value == AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER) {
pthread_mutex_lock(&stdev->lock);
platform_stdev_update_device_list(config->u.value, "",
&stdev->ec_ref_dev_list, true);
pthread_mutex_unlock(&stdev->lock);
ALOGD("%s: Device connected. Updated ec ref devices with %d",
__func__, config->u.value);
} else {
handle_device_switch(true, config);
}
break;
case AUDIO_EVENT_DEVICE_DISCONNECT:
if (!config) {
ALOGE("%s: NULL config for DEVICE_DISCONNECT", __func__);
ret = -EINVAL;
break;
}
if (config->u.value == AUDIO_DEVICE_OUT_LINE ||
config->u.value == AUDIO_DEVICE_OUT_BLUETOOTH_A2DP ||
config->u.value == AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES ||
config->u.value == AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER) {
pthread_mutex_lock(&stdev->lock);
/*
* Currently spkr/lineout/a2dp are the supported ec ref devices
* Set default EC ref device (spkr) if lineout/a2dp is disconnected
*/
platform_stdev_update_device_list(config->u.value, "",
&stdev->ec_ref_dev_list, false);
pthread_mutex_unlock(&stdev->lock);
ALOGD("%s: Device disconnected. Updated ec ref devices by removing %d",
__func__, config->u.value);
} else {
handle_device_switch(false, config);
}
break;
case AUDIO_EVENT_SVA_EXEC_MODE:
pthread_mutex_lock(&stdev->lock);
if (!config) {
ALOGE("%s: NULL config for AUDIO_EVENT_SVA_EXEC_MODE", __func__);
ret = -EINVAL;
goto error;
}
ret = parse_exec_mode_config(config->u.str_value, &exec_mode, &sm_handle);
if (ret) {
ALOGE("%s: Failed to parse exec mode config", __func__);
goto error;
}
if (sm_handle) {
p_ses = get_sound_trigger_session(stdev, sm_handle);
if (p_ses == NULL) {
ALOGE("%s: Could not find sound model %d", __func__, sm_handle);
ret = -EINVAL;
goto error;
}
}
ALOGV("%s:[%d] set exec mode %d", __func__, sm_handle, exec_mode);
if (exec_mode == ST_EXEC_MODE_ADSP) {
ret = check_and_transit_cpe_ses_to_ape(p_ses);
if (!sm_handle)
stdev->client_req_exec_mode = exec_mode;
} else if (exec_mode == ST_EXEC_MODE_CPE) {
ret = check_and_transit_ape_ses_to_cpe(p_ses);
if (!sm_handle)
stdev->client_req_exec_mode = exec_mode;
} else {
ALOGE("%s: Invalid exec mode %d", __func__, exec_mode);
ret = -EINVAL;
}
error:
/* store exec mode callback status to return when queried */
stdev->client_req_exec_mode_status = ret;
pthread_mutex_unlock(&stdev->lock);
break;
case AUDIO_EVENT_SVA_EXEC_MODE_STATUS:
if (!config) {
ALOGE("%s: NULL config for AUDIO_EVENT_SVA_EXEC_MODE", __func__);
ret = -EINVAL;
break;
}
config->u.value = stdev->client_req_exec_mode_status;
ALOGV("%s: exec mode status %d", __func__, config->u.value);
break;
case AUDIO_EVENT_GET_PARAM:
if (!config || !(config->u.st_get_param_data.reply)) {
ALOGE("%s: NULL config for AUDIO_EVENT_GET_PARAM", __func__);
ret = -EINVAL;
break;
}
ALOGD("%s: get param data for %s with sm_handle %d", __func__,
config->u.st_get_param_data.param, config->u.st_get_param_data.sm_handle);
pthread_mutex_lock(&stdev->lock);
p_ses = get_sound_trigger_session(stdev, config->u.st_get_param_data.sm_handle);
if (!p_ses) {
ALOGE("%s: ERROR. Could not find session for sm_handle %d",
__func__, config->u.st_get_param_data.sm_handle);
ret = -EINVAL;
goto exit;
}
ret = stdev_get_param_data(p_ses, config);
exit:
pthread_mutex_unlock(&stdev->lock);
ALOGV("%s: exit: return - %d", __func__, ret);
break;
case AUDIO_EVENT_BATTERY_STATUS_CHANGED:
if (!config) {
ALOGE("%s: NULL config for AUDIO_EVENT_BATTERY_STATUS_CHANGED", __func__);
ret = -EINVAL;
break;
}
handle_battery_status_change(config);
break;
case AUDIO_EVENT_SCREEN_STATUS_CHANGED:
if (!config) {
ALOGE("%s: NULL config for AUDIO_EVENT_SCREEN_STATUS_CHANGED", __func__);
ret = -EINVAL;
break;
}
handle_screen_status_change(config);
break;
case AUDIO_EVENT_ROUTE_INIT_DONE:
if (!config) {
ALOGE("%s: NULL config for AUDIO_EVENT_ROUTE_INIT_DONE", __func__);
ret = -EINVAL;
break;
}
stdev->audio_route = config->u.audio_route;
break;
default:
ALOGW("%s: Unknown event %d", __func__, event);
break;
}
pthread_mutex_unlock(&stdev_init_lock);
return ret;
}
/*
* Current proprietary API version used by STHAL. Queried by AHAL
* for compatibility check with STHAL
*/
const unsigned int sthal_prop_api_version = STHAL_PROP_API_CURRENT_VERSION;
static struct hw_module_methods_t hal_module_methods = {
.open = stdev_open,
};
struct sound_trigger_module HAL_MODULE_INFO_SYM = {
.common = {
.tag = HARDWARE_MODULE_TAG,
.module_api_version = SOUND_TRIGGER_MODULE_API_VERSION_1_0,
.hal_api_version = HARDWARE_HAL_API_VERSION,
.id = SOUND_TRIGGER_HARDWARE_MODULE_ID,
.name = "Sound trigger HAL",
.author = "QUALCOMM Technologies, Inc",
.methods = &hal_module_methods,
},
};