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android_hardware_qcom_audio/hal/audio_extn/spkr_protection.c

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/*
* Copyright (c) 2013 - 2016, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#define LOG_TAG "audio_hw_spkr_prot"
/*#define LOG_NDEBUG 0*/
#define LOG_NDDEBUG 0
#include <errno.h>
#include <math.h>
#include <cutils/log.h>
#include <fcntl.h>
#include <dirent.h>
#include "audio_hw.h"
#include "platform.h"
#include "platform_api.h"
#include <sys/stat.h>
#include <stdlib.h>
#include <dlfcn.h>
#include <math.h>
#include <cutils/properties.h>
#include "audio_extn.h"
#include <linux/msm_audio_calibration.h>
#ifdef SPKR_PROT_ENABLED
/*Range of spkr temparatures -30C to 80C*/
#define MIN_SPKR_TEMP_Q6 (-30 * (1 << 6))
#define MAX_SPKR_TEMP_Q6 (80 * (1 << 6))
#define VI_FEED_CHANNEL "VI_FEED_TX Channels"
/*Set safe temp value to 40C*/
#define SAFE_SPKR_TEMP 40
#define SAFE_SPKR_TEMP_Q6 (SAFE_SPKR_TEMP * (1 << 6))
/*Bongo Spkr temp range*/
#define TZ_TEMP_MIN_THRESHOLD (5)
#define TZ_TEMP_MAX_THRESHOLD (45)
/*Range of resistance values 2ohms to 40 ohms*/
#define MIN_RESISTANCE_SPKR_Q24 (2 * (1 << 24))
#define MAX_RESISTANCE_SPKR_Q24 (40 * (1 << 24))
/*Path where the calibration file will be stored*/
#define CALIB_FILE "/data/misc/audio/audio.cal"
/*Time between retries for calibartion or intial wait time
after boot up*/
#define WAIT_TIME_SPKR_CALIB (60 * 1000 * 1000)
#define MIN_SPKR_IDLE_SEC (60 * 30)
#define WAKEUP_MIN_IDLE_CHECK 30
/*Once calibration is started sleep for 1 sec to allow
the calibration to kick off*/
#define SLEEP_AFTER_CALIB_START (3000)
/*If calibration is in progress wait for 200 msec before querying
for status again*/
#define WAIT_FOR_GET_CALIB_STATUS (200 * 1000)
/*Speaker states*/
#define SPKR_NOT_CALIBRATED -1
#define SPKR_CALIBRATED 1
/*Speaker processing state*/
#define SPKR_PROCESSING_IN_PROGRESS 1
#define SPKR_PROCESSING_IN_IDLE 0
/* In wsa analog mode vi feedback DAI supports at max 2 channels*/
#define WSA_ANALOG_MODE_CHANNELS 2
#define MAX_PATH (256)
#define MAX_STR_SIZE (1024)
#define THERMAL_SYSFS "/sys/class/thermal"
#define TZ_TYPE "/sys/class/thermal/thermal_zone%d/type"
#define TZ_WSA "/sys/class/thermal/thermal_zone%d/temp"
#define AUDIO_PARAMETER_KEY_SPKR_TZ_1 "spkr_1_tz_name"
#define AUDIO_PARAMETER_KEY_SPKR_TZ_2 "spkr_2_tz_name"
#define AUDIO_PARAMETER_KEY_FBSP_TRIGGER_SPKR_CAL "trigger_spkr_cal"
#define AUDIO_PARAMETER_KEY_FBSP_GET_SPKR_CAL "get_spkr_cal"
#define AUDIO_PARAMETER_KEY_FBSP_CFG_WAIT_TIME "fbsp_cfg_wait_time"
#define AUDIO_PARAMETER_KEY_FBSP_CFG_FTM_TIME "fbsp_cfg_ftm_time"
#define AUDIO_PARAMETER_KEY_FBSP_GET_FTM_PARAM "get_ftm_param"
/*Modes of Speaker Protection*/
enum speaker_protection_mode {
SPKR_PROTECTION_DISABLED = -1,
SPKR_PROTECTION_MODE_PROCESSING = 0,
SPKR_PROTECTION_MODE_CALIBRATE = 1,
};
struct spkr_prot_r0t0 {
int r0[SP_V2_NUM_MAX_SPKRS];
int t0[SP_V2_NUM_MAX_SPKRS];
};
struct speaker_prot_session {
int spkr_prot_mode;
int spkr_processing_state;
int thermal_client_handle;
pthread_mutex_t mutex_spkr_prot;
pthread_t spkr_calibration_thread;
pthread_mutex_t spkr_prot_thermalsync_mutex;
pthread_cond_t spkr_prot_thermalsync;
int cancel_spkr_calib;
pthread_cond_t spkr_calib_cancel;
pthread_mutex_t spkr_calib_cancelack_mutex;
pthread_cond_t spkr_calibcancel_ack;
pthread_t speaker_prot_threadid;
void *thermal_handle;
void *adev_handle;
int spkr_prot_t0;
struct pcm *pcm_rx;
struct pcm *pcm_tx;
int (*client_register_callback)
(char *client_name, int (*callback)(int), void *data);
void (*thermal_client_unregister_callback)(int handle);
int (*thermal_client_request)(char *client_name, int req_data);
bool spkr_prot_enable;
bool spkr_in_use;
struct timespec spkr_last_time_used;
struct spkr_prot_r0t0 sp_r0t0_cal;
bool wsa_found;
int spkr_1_tzn;
int spkr_2_tzn;
bool trigger_cal;
pthread_mutex_t cal_wait_cond_mutex;
pthread_cond_t cal_wait_condition;
};
static struct pcm_config pcm_config_skr_prot = {
.channels = 4,
.rate = 48000,
.period_size = 256,
.period_count = 4,
.format = PCM_FORMAT_S16_LE,
.start_threshold = 0,
.stop_threshold = INT_MAX,
.avail_min = 0,
};
struct spkr_tz_names {
char *spkr_1_name;
char *spkr_2_name;
};
static struct speaker_prot_session handle;
static int vi_feed_no_channels;
static struct spkr_tz_names tz_names;
/*===========================================================================
FUNCTION get_tzn
Utility function to match a sensor name with thermal zone id.
ARGUMENTS
sensor_name - name of sensor to match
RETURN VALUE
Thermal zone id on success,
-1 on failure.
===========================================================================*/
int get_tzn(const char *sensor_name)
{
DIR *tdir = NULL;
struct dirent *tdirent = NULL;
int found = -1;
int tzn = 0;
char name[MAX_PATH] = {0};
char cwd[MAX_PATH] = {0};
if (!sensor_name)
return found;
if (!getcwd(cwd, sizeof(cwd)))
return found;
chdir(THERMAL_SYSFS); /* Change dir to read the entries. Doesnt work
otherwise */
tdir = opendir(THERMAL_SYSFS);
if (!tdir) {
ALOGE("Unable to open %s\n", THERMAL_SYSFS);
return found;
}
while ((tdirent = readdir(tdir))) {
char buf[50];
struct dirent *tzdirent;
DIR *tzdir = NULL;
tzdir = opendir(tdirent->d_name);
if (!tzdir)
continue;
while ((tzdirent = readdir(tzdir))) {
if (strcmp(tzdirent->d_name, "type"))
continue;
snprintf(name, MAX_PATH, TZ_TYPE, tzn);
ALOGV("Opening %s\n", name);
read_line_from_file(name, buf, sizeof(buf));
if (strlen(buf) > 0)
buf[strlen(buf) - 1] = '\0';
if (!strcmp(buf, sensor_name)) {
ALOGD(" spkr tz name found, %s\n", name);
found = 1;
break;
}
tzn++;
}
closedir(tzdir);
if (found == 1)
break;
}
closedir(tdir);
chdir(cwd); /* Restore current working dir */
if (found == 1) {
found = tzn;
ALOGE("Sensor %s found at tz: %d\n", sensor_name, tzn);
}
return found;
}
static void spkr_prot_set_spkrstatus(bool enable)
{
if (enable)
handle.spkr_in_use = true;
else {
handle.spkr_in_use = false;
clock_gettime(CLOCK_BOOTTIME, &handle.spkr_last_time_used);
}
}
void audio_extn_spkr_prot_calib_cancel(void *adev)
{
pthread_t threadid;
struct audio_usecase *uc_info;
threadid = pthread_self();
ALOGV("%s: Entry", __func__);
if (pthread_equal(handle.speaker_prot_threadid, threadid) || !adev) {
ALOGE("%s: Invalid params", __func__);
return;
}
uc_info = get_usecase_from_list(adev, USECASE_AUDIO_SPKR_CALIB_RX);
if (uc_info) {
pthread_mutex_lock(&handle.mutex_spkr_prot);
pthread_mutex_lock(&handle.spkr_calib_cancelack_mutex);
handle.cancel_spkr_calib = 1;
pthread_cond_signal(&handle.spkr_calib_cancel);
pthread_mutex_unlock(&handle.mutex_spkr_prot);
pthread_cond_wait(&handle.spkr_calibcancel_ack,
&handle.spkr_calib_cancelack_mutex);
pthread_mutex_unlock(&handle.spkr_calib_cancelack_mutex);
}
ALOGV("%s: Exit", __func__);
}
static bool is_speaker_in_use(unsigned long *sec)
{
struct timespec temp;
if (!sec) {
ALOGE("%s: Invalid params", __func__);
return true;
}
if (handle.spkr_in_use) {
*sec = 0;
handle.trigger_cal = false;
return true;
} else {
clock_gettime(CLOCK_BOOTTIME, &temp);
*sec = temp.tv_sec - handle.spkr_last_time_used.tv_sec;
return false;
}
}
static int get_spkr_prot_cal(int cal_fd,
struct audio_cal_info_msm_spk_prot_status *status)
{
int ret = 0;
struct audio_cal_fb_spk_prot_status cal_data;
if (cal_fd < 0) {
ALOGE("%s: Error: cal_fd = %d", __func__, cal_fd);
ret = -EINVAL;
goto done;
}
if (status == NULL) {
ALOGE("%s: Error: status NULL", __func__);
ret = -EINVAL;
goto done;
}
cal_data.hdr.data_size = sizeof(cal_data);
cal_data.hdr.version = VERSION_0_0;
cal_data.hdr.cal_type = AFE_FB_SPKR_PROT_CAL_TYPE;
cal_data.hdr.cal_type_size = sizeof(cal_data.cal_type);
cal_data.cal_type.cal_hdr.version = VERSION_0_0;
cal_data.cal_type.cal_hdr.buffer_number = 0;
cal_data.cal_type.cal_data.mem_handle = -1;
if (ioctl(cal_fd, AUDIO_GET_CALIBRATION, &cal_data)) {
ALOGE("%s: Error: AUDIO_GET_CALIBRATION failed!",
__func__);
ret = -ENODEV;
goto done;
}
status->r0[SP_V2_SPKR_1] = cal_data.cal_type.cal_info.r0[SP_V2_SPKR_1];
status->r0[SP_V2_SPKR_2] = cal_data.cal_type.cal_info.r0[SP_V2_SPKR_2];
status->status = cal_data.cal_type.cal_info.status;
done:
return ret;
}
static int set_spkr_prot_cal(int cal_fd,
struct audio_cal_info_spk_prot_cfg *protCfg)
{
int ret = 0;
struct audio_cal_fb_spk_prot_cfg cal_data;
char value[PROPERTY_VALUE_MAX];
static int cal_done = 0;
if (cal_fd < 0) {
ALOGE("%s: Error: cal_fd = %d", __func__, cal_fd);
ret = -EINVAL;
goto done;
}
if (protCfg == NULL) {
ALOGE("%s: Error: status NULL", __func__);
ret = -EINVAL;
goto done;
}
memset(&cal_data, 0, sizeof(cal_data));
cal_data.hdr.data_size = sizeof(cal_data);
cal_data.hdr.version = VERSION_0_0;
cal_data.hdr.cal_type = AFE_FB_SPKR_PROT_CAL_TYPE;
cal_data.hdr.cal_type_size = sizeof(cal_data.cal_type);
cal_data.cal_type.cal_hdr.version = VERSION_0_0;
cal_data.cal_type.cal_hdr.buffer_number = 0;
cal_data.cal_type.cal_info.r0[SP_V2_SPKR_1] = protCfg->r0[SP_V2_SPKR_1];
cal_data.cal_type.cal_info.r0[SP_V2_SPKR_2] = protCfg->r0[SP_V2_SPKR_2];
cal_data.cal_type.cal_info.t0[SP_V2_SPKR_1] = protCfg->t0[SP_V2_SPKR_1];
cal_data.cal_type.cal_info.t0[SP_V2_SPKR_2] = protCfg->t0[SP_V2_SPKR_2];
cal_data.cal_type.cal_info.mode = protCfg->mode;
property_get("persist.spkr.cal.duration", value, "0");
if (atoi(value) > 0) {
ALOGD("%s: quick calibration enabled", __func__);
cal_data.cal_type.cal_info.quick_calib_flag = 1;
} else {
ALOGD("%s: quick calibration disabled", __func__);
cal_data.cal_type.cal_info.quick_calib_flag = 0;
}
cal_data.cal_type.cal_data.mem_handle = -1;
if (ioctl(cal_fd, AUDIO_SET_CALIBRATION, &cal_data)) {
ALOGE("%s: Error: AUDIO_SET_CALIBRATION failed!",
__func__);
ret = -ENODEV;
goto done;
}
if (protCfg->mode == MSM_SPKR_PROT_CALIBRATED && !cal_done) {
handle.sp_r0t0_cal.r0[SP_V2_SPKR_1] = protCfg->r0[SP_V2_SPKR_1];
handle.sp_r0t0_cal.r0[SP_V2_SPKR_2] = protCfg->r0[SP_V2_SPKR_2];
handle.sp_r0t0_cal.t0[SP_V2_SPKR_1] = protCfg->t0[SP_V2_SPKR_1];
handle.sp_r0t0_cal.t0[SP_V2_SPKR_2] = protCfg->t0[SP_V2_SPKR_2];
cal_done = 1;
}
done:
return ret;
}
static int vi_feed_get_channels(struct audio_device *adev)
{
struct mixer_ctl *ctl;
const char *mixer_ctl_name = VI_FEED_CHANNEL;
int value;
ALOGV("%s: entry", __func__);
ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name);
if (!ctl) {
ALOGE("%s: Could not get ctl for mixer cmd - %s",
__func__, mixer_ctl_name);
goto error;
}
value = mixer_ctl_get_value(ctl, 0);
if (value < 0)
goto error;
else
return value+1;
error:
return -EINVAL;
}
static int spkr_calibrate(int t0_spk_1, int t0_spk_2)
{
struct audio_device *adev = handle.adev_handle;
struct audio_cal_info_spk_prot_cfg protCfg;
struct audio_cal_info_msm_spk_prot_status status;
bool cleanup = false, disable_rx = false, disable_tx = false;
int acdb_fd = -1;
struct audio_usecase *uc_info_rx = NULL, *uc_info_tx = NULL;
int32_t pcm_dev_rx_id = -1, pcm_dev_tx_id = -1;
struct timespec ts;
bool acquire_device = false;
status.status = 0;
if (!adev) {
ALOGE("%s: Invalid params", __func__);
return -EINVAL;
}
if (!list_empty(&adev->usecase_list)) {
ALOGD("%s: Usecase present retry speaker protection", __func__);
return -EAGAIN;
}
acdb_fd = open("/dev/msm_audio_cal",O_RDWR | O_NONBLOCK);
if (acdb_fd < 0) {
ALOGE("%s: spkr_prot_thread open msm_acdb failed", __func__);
return -ENODEV;
} else {
protCfg.mode = MSM_SPKR_PROT_CALIBRATION_IN_PROGRESS;
protCfg.t0[SP_V2_SPKR_1] = t0_spk_1;
protCfg.t0[SP_V2_SPKR_2] = t0_spk_2;
if (set_spkr_prot_cal(acdb_fd, &protCfg)) {
ALOGE("%s: spkr_prot_thread set failed AUDIO_SET_SPEAKER_PROT",
__func__);
status.status = -ENODEV;
goto exit;
}
}
uc_info_rx = (struct audio_usecase *)calloc(1, sizeof(struct audio_usecase));
if (!uc_info_rx) {
return -ENOMEM;
}
uc_info_rx->id = USECASE_AUDIO_SPKR_CALIB_RX;
uc_info_rx->type = PCM_PLAYBACK;
uc_info_rx->in_snd_device = SND_DEVICE_NONE;
uc_info_rx->stream.out = adev->primary_output;
if (audio_extn_is_vbat_enabled())
uc_info_rx->out_snd_device = SND_DEVICE_OUT_SPEAKER_PROTECTED_VBAT;
else
uc_info_rx->out_snd_device = SND_DEVICE_OUT_SPEAKER_PROTECTED;
disable_rx = true;
list_add_tail(&adev->usecase_list, &uc_info_rx->list);
platform_check_and_set_codec_backend_cfg(adev, uc_info_rx,
uc_info_rx->out_snd_device);
if (audio_extn_is_vbat_enabled())
enable_snd_device(adev, SND_DEVICE_OUT_SPEAKER_PROTECTED_VBAT);
else
enable_snd_device(adev, SND_DEVICE_OUT_SPEAKER_PROTECTED);
enable_audio_route(adev, uc_info_rx);
pcm_dev_rx_id = platform_get_pcm_device_id(uc_info_rx->id, PCM_PLAYBACK);
ALOGV("%s: pcm device id %d", __func__, pcm_dev_rx_id);
if (pcm_dev_rx_id < 0) {
ALOGE("%s: Invalid pcm device for usecase (%d)",
__func__, uc_info_rx->id);
status.status = -ENODEV;
goto exit;
}
handle.pcm_rx = handle.pcm_tx = NULL;
handle.pcm_rx = pcm_open(adev->snd_card,
pcm_dev_rx_id,
PCM_OUT, &pcm_config_skr_prot);
if (handle.pcm_rx && !pcm_is_ready(handle.pcm_rx)) {
ALOGE("%s: %s", __func__, pcm_get_error(handle.pcm_rx));
status.status = -EIO;
goto exit;
}
uc_info_tx = (struct audio_usecase *)
calloc(1, sizeof(struct audio_usecase));
if (!uc_info_tx) {
status.status = -ENOMEM;
goto exit;
}
uc_info_tx->id = USECASE_AUDIO_SPKR_CALIB_TX;
uc_info_tx->type = PCM_CAPTURE;
uc_info_tx->in_snd_device = SND_DEVICE_IN_CAPTURE_VI_FEEDBACK;
uc_info_tx->out_snd_device = SND_DEVICE_NONE;
disable_tx = true;
list_add_tail(&adev->usecase_list, &uc_info_tx->list);
enable_snd_device(adev, SND_DEVICE_IN_CAPTURE_VI_FEEDBACK);
enable_audio_route(adev, uc_info_tx);
pcm_dev_tx_id = platform_get_pcm_device_id(uc_info_tx->id, PCM_CAPTURE);
ALOGV("%s: pcm device id %d", __func__, pcm_dev_tx_id);
if (pcm_dev_tx_id < 0) {
ALOGE("%s: Invalid pcm device for usecase (%d)",
__func__, uc_info_tx->id);
status.status = -ENODEV;
goto exit;
}
handle.pcm_tx = pcm_open(adev->snd_card,
pcm_dev_tx_id,
PCM_IN, &pcm_config_skr_prot);
if (handle.pcm_tx && !pcm_is_ready(handle.pcm_tx)) {
ALOGE("%s: %s", __func__, pcm_get_error(handle.pcm_tx));
status.status = -EIO;
goto exit;
}
if (pcm_start(handle.pcm_rx) < 0) {
ALOGE("%s: pcm start for RX failed", __func__);
status.status = -EINVAL;
goto exit;
}
if (pcm_start(handle.pcm_tx) < 0) {
ALOGE("%s: pcm start for TX failed", __func__);
status.status = -EINVAL;
goto exit;
}
cleanup = true;
clock_gettime(CLOCK_REALTIME, &ts);
ts.tv_sec += (SLEEP_AFTER_CALIB_START/1000);
ts.tv_nsec = 0;
pthread_mutex_lock(&handle.mutex_spkr_prot);
pthread_mutex_unlock(&adev->lock);
acquire_device = true;
(void)pthread_cond_timedwait(&handle.spkr_calib_cancel,
&handle.mutex_spkr_prot, &ts);
ALOGD("%s: Speaker calibration done", __func__);
cleanup = true;
pthread_mutex_lock(&handle.spkr_calib_cancelack_mutex);
if (handle.cancel_spkr_calib) {
status.status = -EAGAIN;
goto exit;
}
if (acdb_fd > 0) {
status.status = -EINVAL;
while (!get_spkr_prot_cal(acdb_fd, &status)) {
/*sleep for 200 ms to check for status check*/
if (!status.status) {
ALOGD("%s: spkr_prot_thread calib Success R0 %d %d",
__func__, status.r0[SP_V2_SPKR_1], status.r0[SP_V2_SPKR_2]);
FILE *fp;
fp = fopen(CALIB_FILE,"wb");
if (!fp) {
ALOGE("%s: spkr_prot_thread File open failed %s",
__func__, strerror(errno));
status.status = -ENODEV;
} else {
int i;
/* HAL for speaker protection is always calibrating for stereo usecase*/
for (i = 0; i < vi_feed_no_channels; i++) {
fwrite(&status.r0[i], sizeof(status.r0[i]), 1, fp);
fwrite(&protCfg.t0[i], sizeof(protCfg.t0[i]), 1, fp);
}
fclose(fp);
}
break;
} else if (status.status == -EAGAIN) {
ALOGV("%s: spkr_prot_thread try again", __func__);
usleep(WAIT_FOR_GET_CALIB_STATUS);
} else {
ALOGE("%s: spkr_prot_thread get failed status %d",
__func__, status.status);
break;
}
}
exit:
if (handle.pcm_rx)
pcm_close(handle.pcm_rx);
handle.pcm_rx = NULL;
if (handle.pcm_tx)
pcm_close(handle.pcm_tx);
handle.pcm_tx = NULL;
/* Clear TX calibration to handset mic */
if (disable_tx) {
uc_info_tx->in_snd_device = SND_DEVICE_IN_HANDSET_MIC;
uc_info_tx->out_snd_device = SND_DEVICE_NONE;
platform_send_audio_calibration(adev->platform,
uc_info_tx,
platform_get_default_app_type(adev->platform), 8000);
}
if (!status.status) {
protCfg.mode = MSM_SPKR_PROT_CALIBRATED;
protCfg.r0[SP_V2_SPKR_1] = status.r0[SP_V2_SPKR_1];
protCfg.r0[SP_V2_SPKR_2] = status.r0[SP_V2_SPKR_2];
if (set_spkr_prot_cal(acdb_fd, &protCfg))
ALOGE("%s: spkr_prot_thread disable calib mode", __func__);
else
handle.spkr_prot_mode = MSM_SPKR_PROT_CALIBRATED;
} else {
protCfg.mode = MSM_SPKR_PROT_NOT_CALIBRATED;
handle.spkr_prot_mode = MSM_SPKR_PROT_NOT_CALIBRATED;
if (set_spkr_prot_cal(acdb_fd, &protCfg))
ALOGE("%s: spkr_prot_thread disable calib mode failed", __func__);
}
if (acdb_fd > 0)
close(acdb_fd);
if (!handle.cancel_spkr_calib && cleanup) {
pthread_mutex_unlock(&handle.spkr_calib_cancelack_mutex);
pthread_cond_wait(&handle.spkr_calib_cancel,
&handle.mutex_spkr_prot);
pthread_mutex_lock(&handle.spkr_calib_cancelack_mutex);
}
if (disable_rx) {
list_remove(&uc_info_rx->list);
if (audio_extn_is_vbat_enabled())
disable_snd_device(adev, SND_DEVICE_OUT_SPEAKER_PROTECTED_VBAT);
else
disable_snd_device(adev, SND_DEVICE_OUT_SPEAKER_PROTECTED);
disable_audio_route(adev, uc_info_rx);
}
if (disable_tx) {
list_remove(&uc_info_tx->list);
disable_snd_device(adev, SND_DEVICE_IN_CAPTURE_VI_FEEDBACK);
disable_audio_route(adev, uc_info_tx);
}
if (uc_info_rx) free(uc_info_rx);
if (uc_info_tx) free(uc_info_tx);
if (cleanup) {
if (handle.cancel_spkr_calib)
pthread_cond_signal(&handle.spkr_calibcancel_ack);
handle.cancel_spkr_calib = 0;
pthread_mutex_unlock(&handle.spkr_calib_cancelack_mutex);
pthread_mutex_unlock(&handle.mutex_spkr_prot);
}
}
if (acquire_device)
pthread_mutex_lock(&adev->lock);
return status.status;
}
static void spkr_calibrate_wait()
{
struct timespec ts;
clock_gettime(CLOCK_REALTIME, &ts);
ts.tv_sec += WAKEUP_MIN_IDLE_CHECK;
ts.tv_nsec = 0;
pthread_mutex_lock(&handle.cal_wait_cond_mutex);
pthread_cond_timedwait(&handle.cal_wait_condition,
&handle.cal_wait_cond_mutex, &ts);
pthread_mutex_unlock(&handle.cal_wait_cond_mutex);
}
static void* spkr_calibration_thread()
{
unsigned long sec = 0;
int t0;
int t0_spk_1 = 0;
int t0_spk_2 = 0;
bool goahead = false;
struct audio_cal_info_spk_prot_cfg protCfg;
FILE *fp;
int acdb_fd, thermal_fd;
struct audio_device *adev = handle.adev_handle;
unsigned long min_idle_time = MIN_SPKR_IDLE_SEC;
char value[PROPERTY_VALUE_MAX];
char wsa_path[MAX_PATH] = {0};
int spk_1_tzn, spk_2_tzn;
char buf[32] = {0};
int ret;
/* If the value of this persist.spkr.cal.duration is 0
* then it means it will take 30min to calibrate
* and if the value is greater than zero then it would take
* that much amount of time to calibrate.
*/
property_get("persist.spkr.cal.duration", value, "0");
if (atoi(value) > 0)
min_idle_time = atoi(value);
handle.speaker_prot_threadid = pthread_self();
ALOGD("spkr_prot_thread enable prot Entry");
acdb_fd = open("/dev/msm_audio_cal",O_RDWR | O_NONBLOCK);
if (acdb_fd > 0) {
/*Set processing mode with t0/r0*/
protCfg.mode = MSM_SPKR_PROT_NOT_CALIBRATED;
if (set_spkr_prot_cal(acdb_fd, &protCfg)) {
ALOGE("%s: spkr_prot_thread enable prot failed", __func__);
handle.spkr_prot_mode = MSM_SPKR_PROT_DISABLED;
close(acdb_fd);
} else
handle.spkr_prot_mode = MSM_SPKR_PROT_NOT_CALIBRATED;
} else {
handle.spkr_prot_mode = MSM_SPKR_PROT_DISABLED;
ALOGE("%s: Failed to open acdb node", __func__);
}
if (handle.spkr_prot_mode == MSM_SPKR_PROT_DISABLED) {
ALOGD("%s: Speaker protection disabled", __func__);
pthread_exit(0);
return NULL;
}
fp = fopen(CALIB_FILE,"rb");
if (fp) {
int i;
bool spkr_calibrated = true;
for (i = 0; i < vi_feed_no_channels; i++) {
fread(&protCfg.r0[i], sizeof(protCfg.r0[i]), 1, fp);
fread(&protCfg.t0[i], sizeof(protCfg.t0[i]), 1, fp);
}
ALOGD("%s: spkr_prot_thread r0 value %d %d",
__func__, protCfg.r0[SP_V2_SPKR_1], protCfg.r0[SP_V2_SPKR_2]);
ALOGD("%s: spkr_prot_thread t0 value %d %d",
__func__, protCfg.t0[SP_V2_SPKR_1], protCfg.t0[SP_V2_SPKR_2]);
fclose(fp);
/*Valid tempature range: -30C to 80C(in q6 format)
Valid Resistance range: 2 ohms to 40 ohms(in q24 format)*/
for (i = 0; i < vi_feed_no_channels; i++) {
if (!((protCfg.t0[i] > MIN_SPKR_TEMP_Q6) && (protCfg.t0[i] < MAX_SPKR_TEMP_Q6)
&& (protCfg.r0[i] >= MIN_RESISTANCE_SPKR_Q24)
&& (protCfg.r0[i] < MAX_RESISTANCE_SPKR_Q24))) {
spkr_calibrated = false;
break;
}
}
if (spkr_calibrated) {
ALOGD("%s: Spkr calibrated", __func__);
protCfg.mode = MSM_SPKR_PROT_CALIBRATED;
if (set_spkr_prot_cal(acdb_fd, &protCfg)) {
ALOGE("%s: enable prot failed", __func__);
handle.spkr_prot_mode = MSM_SPKR_PROT_DISABLED;
} else
handle.spkr_prot_mode = MSM_SPKR_PROT_CALIBRATED;
close(acdb_fd);
pthread_exit(0);
return NULL;
}
close(acdb_fd);
}
ALOGV("%s: start calibration", __func__);
while (1) {
if (handle.wsa_found) {
spk_1_tzn = handle.spkr_1_tzn;
spk_2_tzn = handle.spkr_2_tzn;
goahead = false;
pthread_mutex_lock(&adev->lock);
if (is_speaker_in_use(&sec)) {
ALOGV("%s: WSA Speaker in use retry calibration", __func__);
pthread_mutex_unlock(&adev->lock);
spkr_calibrate_wait();
continue;
} else {
ALOGD("%s: wsa speaker idle %ld,minimum time %ld", __func__, sec, min_idle_time);
if (!adev->primary_output ||
((sec < min_idle_time) && !handle.trigger_cal)) {
pthread_mutex_unlock(&adev->lock);
spkr_calibrate_wait();
continue;
}
goahead = true;
}
if (!list_empty(&adev->usecase_list)) {
ALOGD("%s: Usecase active re-try calibration", __func__);
pthread_mutex_unlock(&adev->lock);
spkr_calibrate_wait();
continue;
}
if (goahead) {
if (spk_1_tzn >= 0) {
snprintf(wsa_path, MAX_PATH, TZ_WSA, spk_1_tzn);
ALOGV("%s: wsa_path: %s\n", __func__, wsa_path);
thermal_fd = -1;
thermal_fd = open(wsa_path, O_RDONLY);
if (thermal_fd > 0) {
if ((ret = read(thermal_fd, buf, sizeof(buf))) >= 0)
t0_spk_1 = atoi(buf);
else
ALOGE("%s: read fail for %s err:%d\n", __func__, wsa_path, ret);
close(thermal_fd);
} else {
ALOGE("%s: fd for %s is NULL\n", __func__, wsa_path);
}
if (t0_spk_1 < TZ_TEMP_MIN_THRESHOLD ||
t0_spk_1 > TZ_TEMP_MAX_THRESHOLD) {
pthread_mutex_unlock(&adev->lock);
spkr_calibrate_wait();
continue;
}
ALOGD("%s: temp T0 for spkr1 %d\n", __func__, t0_spk_1);
/*Convert temp into q6 format*/
t0_spk_1 = (t0_spk_1 * (1 << 6));
}
if (spk_2_tzn >= 0) {
snprintf(wsa_path, MAX_PATH, TZ_WSA, spk_2_tzn);
ALOGV("%s: wsa_path: %s\n", __func__, wsa_path);
thermal_fd = open(wsa_path, O_RDONLY);
if (thermal_fd > 0) {
if ((ret = read(thermal_fd, buf, sizeof(buf))) >= 0)
t0_spk_2 = atoi(buf);
else
ALOGE("%s: read fail for %s err:%d\n", __func__, wsa_path, ret);
close(thermal_fd);
} else {
ALOGE("%s: fd for %s is NULL\n", __func__, wsa_path);
}
if (t0_spk_2 < TZ_TEMP_MIN_THRESHOLD ||
t0_spk_2 > TZ_TEMP_MAX_THRESHOLD) {
pthread_mutex_unlock(&adev->lock);
spkr_calibrate_wait();
continue;
}
ALOGD("%s: temp T0 for spkr2 %d\n", __func__, t0_spk_2);
/*Convert temp into q6 format*/
t0_spk_2 = (t0_spk_2 * (1 << 6));
}
}
pthread_mutex_unlock(&adev->lock);
} else if (!handle.thermal_client_request("spkr",1)) {
ALOGD("%s: wait for callback from thermal daemon", __func__);
pthread_mutex_lock(&handle.spkr_prot_thermalsync_mutex);
pthread_cond_wait(&handle.spkr_prot_thermalsync,
&handle.spkr_prot_thermalsync_mutex);
/*Convert temp into q6 format*/
t0 = (handle.spkr_prot_t0 * (1 << 6));
pthread_mutex_unlock(&handle.spkr_prot_thermalsync_mutex);
if (t0 < MIN_SPKR_TEMP_Q6 || t0 > MAX_SPKR_TEMP_Q6) {
ALOGE("%s: Calibration temparature error %d", __func__,
handle.spkr_prot_t0);
continue;
}
t0_spk_1 = t0;
t0_spk_2 = t0;
ALOGD("%s: Request t0 success value %d", __func__,
handle.spkr_prot_t0);
} else {
ALOGE("%s: Request t0 failed", __func__);
/*Assume safe value for temparature*/
t0_spk_1 = SAFE_SPKR_TEMP_Q6;
t0_spk_2 = SAFE_SPKR_TEMP_Q6;
}
goahead = false;
pthread_mutex_lock(&adev->lock);
if (is_speaker_in_use(&sec)) {
ALOGV("%s: Speaker in use retry calibration", __func__);
pthread_mutex_unlock(&adev->lock);
spkr_calibrate_wait();
continue;
} else {
if (!(sec > min_idle_time || handle.trigger_cal)) {
pthread_mutex_unlock(&adev->lock);
spkr_calibrate_wait();
continue;
}
goahead = true;
}
if (!list_empty(&adev->usecase_list)) {
ALOGD("%s: Usecase active re-try calibration", __func__);
goahead = false;
pthread_mutex_unlock(&adev->lock);
spkr_calibrate_wait();
continue;
}
if (goahead) {
int status;
status = spkr_calibrate(t0_spk_1, t0_spk_2);
pthread_mutex_unlock(&adev->lock);
if (status == -EAGAIN) {
ALOGE("%s: failed to calibrate try again %s",
__func__, strerror(status));
continue;
} else {
ALOGE("%s: calibrate status %s", __func__, strerror(status));
}
ALOGD("%s: spkr_prot_thread end calibration", __func__);
break;
}
}
if (handle.thermal_client_handle)
handle.thermal_client_unregister_callback(handle.thermal_client_handle);
handle.thermal_client_handle = 0;
if (handle.thermal_handle)
dlclose(handle.thermal_handle);
handle.thermal_handle = NULL;
pthread_exit(0);
return NULL;
}
static int thermal_client_callback(int temp)
{
pthread_mutex_lock(&handle.spkr_prot_thermalsync_mutex);
ALOGD("%s: spkr_prot set t0 %d and signal", __func__, temp);
if (handle.spkr_prot_mode == MSM_SPKR_PROT_NOT_CALIBRATED)
handle.spkr_prot_t0 = temp;
pthread_cond_signal(&handle.spkr_prot_thermalsync);
pthread_mutex_unlock(&handle.spkr_prot_thermalsync_mutex);
return 0;
}
static bool is_wsa_present(void)
{
ALOGD("%s: tz1: %s, tz2: %s", __func__,
tz_names.spkr_1_name, tz_names.spkr_2_name);
handle.spkr_1_tzn = get_tzn(tz_names.spkr_1_name);
handle.spkr_2_tzn = get_tzn(tz_names.spkr_2_name);
if ((handle.spkr_1_tzn >= 0) || (handle.spkr_2_tzn >= 0))
handle.wsa_found = true;
return handle.wsa_found;
}
void audio_extn_spkr_prot_set_parameters(struct str_parms *parms,
char *value, int len)
{
int err;
err = str_parms_get_str(parms, AUDIO_PARAMETER_KEY_SPKR_TZ_1,
value, len);
if (err >= 0) {
tz_names.spkr_1_name = strdup(value);
str_parms_del(parms, AUDIO_PARAMETER_KEY_SPKR_TZ_1);
}
err = str_parms_get_str(parms, AUDIO_PARAMETER_KEY_SPKR_TZ_2,
value, len);
if (err >= 0) {
tz_names.spkr_2_name = strdup(value);
str_parms_del(parms, AUDIO_PARAMETER_KEY_SPKR_TZ_2);
}
ALOGV("%s: tz1: %s, tz2: %s", __func__,
tz_names.spkr_1_name, tz_names.spkr_2_name);
}
static int spkr_vi_channels(struct audio_device *adev)
{
int vi_channels;
vi_channels = vi_feed_get_channels(adev);
ALOGD("%s: vi_channels %d", __func__, vi_channels);
if (vi_channels < 0 || vi_channels > SP_V2_NUM_MAX_SPKRS) {
/* limit the number of channels to SP_V2_NUM_MAX_SPKRS */
vi_channels = SP_V2_NUM_MAX_SPKRS;
}
return vi_channels;
}
static void get_spkr_prot_thermal_cal(char *param)
{
int i, status = 0;
int r0[SP_V2_NUM_MAX_SPKRS] = {0}, t0[SP_V2_NUM_MAX_SPKRS] = {0};
double dr0[SP_V2_NUM_MAX_SPKRS] = {0}, dt0[SP_V2_NUM_MAX_SPKRS] = {0};
FILE *fp = fopen(CALIB_FILE,"rb");
if (fp) {
for (i = 0; i < vi_feed_no_channels; i++) {
fread(&r0[i], sizeof(int), 1, fp);
fread(&t0[i], sizeof(int), 1, fp);
/* Convert from ADSP format to readable format */
dr0[i] = ((double)r0[i])/(1 << 24);
dt0[i] = ((double)t0[i])/(1 << 6);
}
ALOGV("%s: R0= %lf, %lf, T0= %lf, %lf",
__func__, dr0[0], dr0[1], dt0[0], dt0[1]);
fclose(fp);
} else {
ALOGE("%s: failed to open cal file\n", __func__);
status = -EINVAL;
}
snprintf(param, MAX_STR_SIZE - strlen(param) - 1,
"SpkrCalStatus: %d; R0: %lf, %lf; T0: %lf, %lf",
status, dr0[SP_V2_SPKR_1], dr0[SP_V2_SPKR_2],
dt0[SP_V2_SPKR_1], dt0[SP_V2_SPKR_2]);
ALOGD("%s:: param = %s\n", __func__, param);
return;
}
#ifdef MSM_SPKR_PROT_IN_FTM_MODE
static int set_spkr_prot_ftm_cfg(int wait_time, int ftm_time)
{
int ret = 0;
struct audio_cal_sp_th_vi_ftm_cfg th_cal_data;
struct audio_cal_sp_ex_vi_ftm_cfg ex_cal_data;
int cal_fd = open("/dev/msm_audio_cal",O_RDWR | O_NONBLOCK);
if (cal_fd < 0) {
ALOGE("%s: open msm_acdb failed", __func__);
ret = -ENODEV;
goto done;
}
memset(&th_cal_data, 0, sizeof(th_cal_data));
th_cal_data.hdr.data_size = sizeof(th_cal_data);
th_cal_data.hdr.version = VERSION_0_0;
th_cal_data.hdr.cal_type = AFE_FB_SPKR_PROT_TH_VI_CAL_TYPE;
th_cal_data.hdr.cal_type_size = sizeof(th_cal_data.cal_type);
th_cal_data.cal_type.cal_hdr.version = VERSION_0_0;
th_cal_data.cal_type.cal_hdr.buffer_number = 0;
th_cal_data.cal_type.cal_info.wait_time[SP_V2_SPKR_1] = wait_time;
th_cal_data.cal_type.cal_info.wait_time[SP_V2_SPKR_2] = wait_time;
th_cal_data.cal_type.cal_info.ftm_time[SP_V2_SPKR_1] = ftm_time;
th_cal_data.cal_type.cal_info.ftm_time[SP_V2_SPKR_2] = ftm_time;
th_cal_data.cal_type.cal_info.mode = MSM_SPKR_PROT_IN_FTM_MODE; // FTM mode
th_cal_data.cal_type.cal_data.mem_handle = -1;
if (ioctl(cal_fd, AUDIO_SET_CALIBRATION, &th_cal_data))
ALOGE("%s: failed to set TH VI FTM_CFG, errno = %d", __func__, errno);
memset(&ex_cal_data, 0, sizeof(ex_cal_data));
ex_cal_data.hdr.data_size = sizeof(ex_cal_data);
ex_cal_data.hdr.version = VERSION_0_0;
ex_cal_data.hdr.cal_type = AFE_FB_SPKR_PROT_EX_VI_CAL_TYPE;
ex_cal_data.hdr.cal_type_size = sizeof(ex_cal_data.cal_type);
ex_cal_data.cal_type.cal_hdr.version = VERSION_0_0;
ex_cal_data.cal_type.cal_hdr.buffer_number = 0;
ex_cal_data.cal_type.cal_info.wait_time[SP_V2_SPKR_1] = wait_time;
ex_cal_data.cal_type.cal_info.wait_time[SP_V2_SPKR_2] = wait_time;
ex_cal_data.cal_type.cal_info.ftm_time[SP_V2_SPKR_1] = ftm_time;
ex_cal_data.cal_type.cal_info.ftm_time[SP_V2_SPKR_2] = ftm_time;
ex_cal_data.cal_type.cal_info.mode = MSM_SPKR_PROT_IN_FTM_MODE; // FTM mode
ex_cal_data.cal_type.cal_data.mem_handle = -1;
if (ioctl(cal_fd, AUDIO_SET_CALIBRATION, &ex_cal_data))
ALOGE("%s: failed to set EX VI FTM_CFG, ret = %d", __func__, errno);
if (cal_fd > 0)
close(cal_fd);
done:
return ret;
}
static void get_spkr_prot_ftm_param(char *param)
{
struct audio_cal_sp_th_vi_param th_vi_cal_data;
struct audio_cal_sp_ex_vi_param ex_vi_cal_data;
int i;
int ftm_status[SP_V2_NUM_MAX_SPKRS];
double rdc[SP_V2_NUM_MAX_SPKRS], temp[SP_V2_NUM_MAX_SPKRS];
double f[SP_V2_NUM_MAX_SPKRS], r[SP_V2_NUM_MAX_SPKRS], q[SP_V2_NUM_MAX_SPKRS];
int cal_fd = open("/dev/msm_audio_cal",O_RDWR | O_NONBLOCK);
if (cal_fd < 0) {
ALOGE("%s: open msm_acdb failed", __func__);
goto done;
}
memset(&th_vi_cal_data, 0, sizeof(th_vi_cal_data));
th_vi_cal_data.cal_type.cal_info.status[SP_V2_SPKR_1] = -EINVAL;
th_vi_cal_data.cal_type.cal_info.status[SP_V2_SPKR_2] = -EINVAL;
th_vi_cal_data.hdr.data_size = sizeof(th_vi_cal_data);
th_vi_cal_data.hdr.version = VERSION_0_0;
th_vi_cal_data.hdr.cal_type = AFE_FB_SPKR_PROT_TH_VI_CAL_TYPE;
th_vi_cal_data.hdr.cal_type_size = sizeof(th_vi_cal_data.cal_type);
th_vi_cal_data.cal_type.cal_hdr.version = VERSION_0_0;
th_vi_cal_data.cal_type.cal_hdr.buffer_number = 0;
th_vi_cal_data.cal_type.cal_data.mem_handle = -1;
if (ioctl(cal_fd, AUDIO_GET_CALIBRATION, &th_vi_cal_data))
ALOGE("%s: Error %d in getting th_vi_cal_data", __func__, errno);
memset(&ex_vi_cal_data, 0, sizeof(ex_vi_cal_data));
ex_vi_cal_data.cal_type.cal_info.status[SP_V2_SPKR_1] = -EINVAL;
ex_vi_cal_data.cal_type.cal_info.status[SP_V2_SPKR_2] = -EINVAL;
ex_vi_cal_data.hdr.data_size = sizeof(ex_vi_cal_data);
ex_vi_cal_data.hdr.version = VERSION_0_0;
ex_vi_cal_data.hdr.cal_type = AFE_FB_SPKR_PROT_EX_VI_CAL_TYPE;
ex_vi_cal_data.hdr.cal_type_size = sizeof(ex_vi_cal_data.cal_type);
ex_vi_cal_data.cal_type.cal_hdr.version = VERSION_0_0;
ex_vi_cal_data.cal_type.cal_hdr.buffer_number = 0;
ex_vi_cal_data.cal_type.cal_data.mem_handle = -1;
if (ioctl(cal_fd, AUDIO_GET_CALIBRATION, &ex_vi_cal_data))
ALOGE("%s: Error %d in getting ex_vi_cal_data", __func__, errno);
for (i = 0; i < vi_feed_no_channels; i++) {
/* Convert from ADSP format to readable format */
rdc[i] = ((double)th_vi_cal_data.cal_type.cal_info.r_dc_q24[i])/(1<<24);
temp[i] = ((double)th_vi_cal_data.cal_type.cal_info.temp_q22[i])/(1<<22);
f[i] = ((double)ex_vi_cal_data.cal_type.cal_info.freq_q20[i])/(1<<20);
r[i] = ((double)ex_vi_cal_data.cal_type.cal_info.resis_q24[i])/(1<<24);
q[i] = ((double)ex_vi_cal_data.cal_type.cal_info.qmct_q24[i])/(1<<24);
if (th_vi_cal_data.cal_type.cal_info.status[i] == 0 &&
ex_vi_cal_data.cal_type.cal_info.status[i] == 0) {
ftm_status[i] = 0;
} else if (th_vi_cal_data.cal_type.cal_info.status[i] == -EAGAIN &&
ex_vi_cal_data.cal_type.cal_info.status[i] == -EAGAIN) {
ftm_status[i] = -EAGAIN;
} else {
ftm_status[i] = -EINVAL;
}
}
snprintf(param, MAX_STR_SIZE - strlen(param) - 1,
"SpkrParamStatus: %d, %d; Rdc: %lf, %lf; Temp: %lf, %lf;"
" Freq: %lf, %lf; Rect: %lf, %lf; Qmct: %lf, %lf",
ftm_status[SP_V2_SPKR_1], ftm_status[SP_V2_SPKR_2],
rdc[SP_V2_SPKR_1], rdc[SP_V2_SPKR_2], temp[SP_V2_SPKR_1],
temp[SP_V2_SPKR_2], f[SP_V2_SPKR_1], f[SP_V2_SPKR_2],
r[SP_V2_SPKR_1], r[SP_V2_SPKR_2], q[SP_V2_SPKR_1], q[SP_V2_SPKR_2]);
ALOGD("%s:: param = %s\n", __func__, param);
if (cal_fd > 0)
close(cal_fd);
done:
return;
}
#else
static void get_spkr_prot_ftm_param(char *param __unused)
{
ALOGD("%s: not supported", __func__);
return;
}
static int set_spkr_prot_ftm_cfg(int wait_time __unused, int ftm_time __unused)
{
ALOGD("%s: not supported", __func__);
return -ENOSYS;
}
#endif
static void spkr_calibrate_signal()
{
pthread_mutex_lock(&handle.cal_wait_cond_mutex);
pthread_cond_signal(&handle.cal_wait_condition);
pthread_mutex_unlock(&handle.cal_wait_cond_mutex);
}
int audio_extn_fbsp_set_parameters(struct str_parms *parms)
{
int ret= 0 , err;
char *value = NULL;
int len;
char *test_r = NULL;
char *cfg_str;
int wait_time, ftm_time;
char *kv_pairs = str_parms_to_str(parms);
if(kv_pairs == NULL) {
ret = -ENOMEM;
ALOGE("[%s] key-value pair is NULL",__func__);
goto done;
}
ALOGV_IF(kv_pairs != NULL, "%s: enter: %s", __func__, kv_pairs);
len = strlen(kv_pairs);
value = (char*)calloc(len, sizeof(char));
if(value == NULL) {
ret = -ENOMEM;
ALOGE("[%s] failed to allocate memory",__func__);
goto done;
}
if (!handle.spkr_prot_enable) {
ALOGD("%s: Speaker protection disabled", __func__);
goto done;
}
err = str_parms_get_str(parms, AUDIO_PARAMETER_KEY_FBSP_TRIGGER_SPKR_CAL, value,
len);
if (err >= 0) {
str_parms_del(parms, AUDIO_PARAMETER_KEY_FBSP_TRIGGER_SPKR_CAL);
if ((strcmp(value, "true") == 0) || (strcmp(value, "yes") == 0)) {
handle.trigger_cal = true;
spkr_calibrate_signal();
}
goto done;
}
/* Expected key value pair is in below format:
* AUDIO_PARAM_FBSP_CFG_WAIT_TIME=waittime;AUDIO_PARAM_FBSP_CFG_FTM_TIME=ftmtime;
* Parse waittime and ftmtime from it.
*/
err = str_parms_get_str(parms, AUDIO_PARAMETER_KEY_FBSP_CFG_WAIT_TIME,
value, len);
if (err >= 0) {
str_parms_del(parms, AUDIO_PARAMETER_KEY_FBSP_CFG_WAIT_TIME);
cfg_str = strtok_r(value, ";", &test_r);
if (cfg_str == NULL) {
ALOGE("%s: incorrect wait time cfg_str", __func__);
ret = -EINVAL;
goto done;
}
wait_time = atoi(cfg_str);
ALOGV(" %s: cfg_str = %s, wait_time = %d", __func__, cfg_str, wait_time);
err = str_parms_get_str(parms, AUDIO_PARAMETER_KEY_FBSP_CFG_FTM_TIME,
value, len);
if (err >= 0) {
str_parms_del(parms, AUDIO_PARAMETER_KEY_FBSP_CFG_FTM_TIME);
cfg_str = strtok_r(value, ";", &test_r);
if (cfg_str == NULL) {
ALOGE("%s: incorrect ftm time cfg_str", __func__);
ret = -EINVAL;
goto done;
}
ftm_time = atoi(cfg_str);
ALOGV(" %s: cfg_str = %s, ftm_time = %d", __func__, cfg_str, ftm_time);
ret = set_spkr_prot_ftm_cfg(wait_time, ftm_time);
if (ret < 0) {
ALOGE("%s: set_spkr_prot_ftm_cfg failed", __func__);
goto done;
}
}
}
done:
ALOGV("%s: exit with code(%d)", __func__, ret);
if(kv_pairs != NULL)
free(kv_pairs);
if(value != NULL)
free(value);
return ret;
}
int audio_extn_fbsp_get_parameters(struct str_parms *query,
struct str_parms *reply)
{
int err = 0;
char value[MAX_STR_SIZE] = {0};
if (!handle.spkr_prot_enable) {
ALOGD("%s: Speaker protection disabled", __func__);
return -EINVAL;
}
err = str_parms_get_str(query, AUDIO_PARAMETER_KEY_FBSP_GET_SPKR_CAL, value,
sizeof(value));
if (err >= 0) {
get_spkr_prot_thermal_cal(value);
str_parms_add_str(reply, AUDIO_PARAMETER_KEY_FBSP_GET_SPKR_CAL, value);
}
err = str_parms_get_str(query, AUDIO_PARAMETER_KEY_FBSP_GET_FTM_PARAM, value,
sizeof(value));
if (err >= 0) {
get_spkr_prot_ftm_param(value);
str_parms_add_str(reply, AUDIO_PARAMETER_KEY_FBSP_GET_FTM_PARAM, value);
}
return err;
}
void audio_extn_spkr_prot_init(void *adev)
{
char value[PROPERTY_VALUE_MAX];
ALOGD("%s: Initialize speaker protection module", __func__);
memset(&handle, 0, sizeof(handle));
if (!adev) {
ALOGE("%s: Invalid params", __func__);
return;
}
property_get("persist.speaker.prot.enable", value, "");
handle.spkr_prot_enable = false;
if (!strncmp("true", value, 4))
handle.spkr_prot_enable = true;
if (!handle.spkr_prot_enable) {
ALOGD("%s: Speaker protection disabled", __func__);
return;
}
handle.adev_handle = adev;
handle.spkr_prot_mode = MSM_SPKR_PROT_DISABLED;
handle.spkr_processing_state = SPKR_PROCESSING_IN_IDLE;
handle.spkr_prot_t0 = -1;
handle.trigger_cal = false;
/* HAL for speaker protection is always calibrating for stereo usecase*/
vi_feed_no_channels = spkr_vi_channels(adev);
pthread_cond_init(&handle.cal_wait_condition, NULL);
pthread_mutex_init(&handle.cal_wait_cond_mutex, NULL);
if (is_wsa_present()) {
if (platform_spkr_prot_is_wsa_analog_mode(adev) == 1) {
ALOGD("%s: WSA analog mode", __func__);
pcm_config_skr_prot.channels = WSA_ANALOG_MODE_CHANNELS;
}
pthread_cond_init(&handle.spkr_calib_cancel, NULL);
pthread_cond_init(&handle.spkr_calibcancel_ack, NULL);
pthread_mutex_init(&handle.mutex_spkr_prot, NULL);
pthread_mutex_init(&handle.spkr_calib_cancelack_mutex, NULL);
ALOGD("%s:WSA Create calibration thread", __func__);
(void)pthread_create(&handle.spkr_calibration_thread,
(const pthread_attr_t *) NULL, spkr_calibration_thread, &handle);
return;
} else {
ALOGD("%s: WSA spkr calibration thread is not created", __func__);
}
pthread_cond_init(&handle.spkr_prot_thermalsync, NULL);
pthread_cond_init(&handle.spkr_calib_cancel, NULL);
pthread_cond_init(&handle.spkr_calibcancel_ack, NULL);
pthread_mutex_init(&handle.mutex_spkr_prot, NULL);
pthread_mutex_init(&handle.spkr_calib_cancelack_mutex, NULL);
pthread_mutex_init(&handle.spkr_prot_thermalsync_mutex, NULL);
handle.thermal_handle = dlopen("/vendor/lib/libthermalclient.so",
RTLD_NOW);
if (!handle.thermal_handle) {
ALOGE("%s: DLOPEN for thermal client failed", __func__);
} else {
/*Query callback function symbol*/
handle.client_register_callback =
(int (*)(char *, int (*)(int),void *))
dlsym(handle.thermal_handle, "thermal_client_register_callback");
handle.thermal_client_unregister_callback =
(void (*)(int) )
dlsym(handle.thermal_handle, "thermal_client_unregister_callback");
if (!handle.client_register_callback ||
!handle.thermal_client_unregister_callback) {
ALOGE("%s: DLSYM thermal_client_register_callback failed", __func__);
} else {
/*Register callback function*/
handle.thermal_client_handle =
handle.client_register_callback("spkr", thermal_client_callback, NULL);
if (!handle.thermal_client_handle) {
ALOGE("%s: client_register_callback failed", __func__);
} else {
ALOGD("%s: spkr_prot client_register_callback success", __func__);
handle.thermal_client_request = (int (*)(char *, int))
dlsym(handle.thermal_handle, "thermal_client_request");
}
}
}
if (handle.thermal_client_request) {
ALOGD("%s: Create calibration thread", __func__);
(void)pthread_create(&handle.spkr_calibration_thread,
(const pthread_attr_t *) NULL, spkr_calibration_thread, &handle);
} else {
ALOGE("%s: thermal_client_request failed", __func__);
if (handle.thermal_client_handle &&
handle.thermal_client_unregister_callback)
handle.thermal_client_unregister_callback(handle.thermal_client_handle);
if (handle.thermal_handle)
dlclose(handle.thermal_handle);
handle.thermal_handle = NULL;
handle.spkr_prot_enable = false;
}
if (handle.spkr_prot_enable) {
char platform[PROPERTY_VALUE_MAX];
property_get("ro.board.platform", platform, "");
if (!strncmp("apq8084", platform, sizeof("apq8084"))) {
platform_set_snd_device_backend(SND_DEVICE_OUT_VOICE_SPEAKER,
"speaker-protected",
"SLIMBUS_0_RX");
}
}
}
int audio_extn_select_spkr_prot_cal_data(snd_device_t snd_device)
{
struct audio_cal_info_spk_prot_cfg protCfg;
int acdb_fd = -1;
int ret = 0;
acdb_fd = open("/dev/msm_audio_cal", O_RDWR | O_NONBLOCK);
if (acdb_fd < 0) {
ALOGE("%s: open msm_acdb failed", __func__);
return -ENODEV;
}
switch(snd_device) {
case SND_DEVICE_OUT_VOICE_SPEAKER_2_PROTECTED_VBAT:
case SND_DEVICE_OUT_VOICE_SPEAKER_2_PROTECTED:
protCfg.r0[SP_V2_SPKR_1] = handle.sp_r0t0_cal.r0[SP_V2_SPKR_2];
protCfg.r0[SP_V2_SPKR_2] = handle.sp_r0t0_cal.r0[SP_V2_SPKR_1];
protCfg.t0[SP_V2_SPKR_1] = handle.sp_r0t0_cal.t0[SP_V2_SPKR_2];
protCfg.t0[SP_V2_SPKR_2] = handle.sp_r0t0_cal.t0[SP_V2_SPKR_1];
break;
default:
protCfg.r0[SP_V2_SPKR_1] = handle.sp_r0t0_cal.r0[SP_V2_SPKR_1];
protCfg.r0[SP_V2_SPKR_2] = handle.sp_r0t0_cal.r0[SP_V2_SPKR_2];
protCfg.t0[SP_V2_SPKR_1] = handle.sp_r0t0_cal.t0[SP_V2_SPKR_1];
protCfg.t0[SP_V2_SPKR_2] = handle.sp_r0t0_cal.t0[SP_V2_SPKR_2];
break;
}
protCfg.mode = MSM_SPKR_PROT_CALIBRATED;
ret = set_spkr_prot_cal(acdb_fd, &protCfg);
if (ret)
ALOGE("%s: speaker protection cal data swap failed", __func__);
close(acdb_fd);
return ret;
}
int audio_extn_spkr_prot_start_processing(snd_device_t snd_device)
{
struct audio_usecase *uc_info_tx;
struct audio_device *adev = handle.adev_handle;
int32_t pcm_dev_tx_id = -1, ret = 0;
bool disable_tx = false;
snd_device_t in_snd_device;
ALOGV("%s: Entry", __func__);
/* cancel speaker calibration */
if (!adev) {
ALOGE("%s: Invalid params", __func__);
return -EINVAL;
}
snd_device = platform_get_spkr_prot_snd_device(snd_device);
if (handle.spkr_prot_mode == MSM_SPKR_PROT_CALIBRATED) {
ret = audio_extn_select_spkr_prot_cal_data(snd_device);
if (ret) {
ALOGE("%s: Setting speaker protection cal data failed", __func__);
return ret;
}
}
in_snd_device = platform_get_vi_feedback_snd_device(snd_device);
spkr_prot_set_spkrstatus(true);
uc_info_tx = (struct audio_usecase *)calloc(1, sizeof(struct audio_usecase));
if (!uc_info_tx) {
return -ENOMEM;
}
ALOGD("%s: snd_device(%d: %s)", __func__, snd_device,
platform_get_snd_device_name(snd_device));
audio_route_apply_and_update_path(adev->audio_route,
platform_get_snd_device_name(snd_device));
pthread_mutex_lock(&handle.mutex_spkr_prot);
if (handle.spkr_processing_state == SPKR_PROCESSING_IN_IDLE) {
uc_info_tx->id = USECASE_AUDIO_SPKR_CALIB_TX;
uc_info_tx->type = PCM_CAPTURE;
uc_info_tx->in_snd_device = in_snd_device;
uc_info_tx->out_snd_device = SND_DEVICE_NONE;
handle.pcm_tx = NULL;
list_add_tail(&adev->usecase_list, &uc_info_tx->list);
disable_tx = true;
enable_snd_device(adev, in_snd_device);
enable_audio_route(adev, uc_info_tx);
pcm_dev_tx_id = platform_get_pcm_device_id(uc_info_tx->id, PCM_CAPTURE);
if (pcm_dev_tx_id < 0) {
ALOGE("%s: Invalid pcm device for usecase (%d)",
__func__, uc_info_tx->id);
ret = -ENODEV;
goto exit;
}
handle.pcm_tx = pcm_open(adev->snd_card,
pcm_dev_tx_id,
PCM_IN, &pcm_config_skr_prot);
if (handle.pcm_tx && !pcm_is_ready(handle.pcm_tx)) {
ALOGE("%s: %s", __func__, pcm_get_error(handle.pcm_tx));
ret = -EIO;
goto exit;
}
if (pcm_start(handle.pcm_tx) < 0) {
ALOGE("%s: pcm start for TX failed", __func__);
ret = -EINVAL;
}
}
exit:
/* Clear VI feedback cal and replace with handset MIC */
if (disable_tx) {
uc_info_tx->in_snd_device = SND_DEVICE_IN_HANDSET_MIC;
uc_info_tx->out_snd_device = SND_DEVICE_NONE;
platform_send_audio_calibration(adev->platform,
uc_info_tx,
platform_get_default_app_type(adev->platform), 8000);
}
if (ret) {
if (handle.pcm_tx)
pcm_close(handle.pcm_tx);
handle.pcm_tx = NULL;
list_remove(&uc_info_tx->list);
uc_info_tx->id = USECASE_AUDIO_SPKR_CALIB_TX;
uc_info_tx->type = PCM_CAPTURE;
uc_info_tx->in_snd_device = in_snd_device;
uc_info_tx->out_snd_device = SND_DEVICE_NONE;
disable_snd_device(adev, in_snd_device);
disable_audio_route(adev, uc_info_tx);
free(uc_info_tx);
} else
handle.spkr_processing_state = SPKR_PROCESSING_IN_PROGRESS;
pthread_mutex_unlock(&handle.mutex_spkr_prot);
ALOGV("%s: Exit", __func__);
return ret;
}
void audio_extn_spkr_prot_stop_processing(snd_device_t snd_device)
{
struct audio_usecase *uc_info_tx;
struct audio_device *adev = handle.adev_handle;
snd_device_t in_snd_device;
ALOGV("%s: Entry", __func__);
snd_device = platform_get_spkr_prot_snd_device(snd_device);
spkr_prot_set_spkrstatus(false);
in_snd_device = platform_get_vi_feedback_snd_device(snd_device);
pthread_mutex_lock(&handle.mutex_spkr_prot);
if (adev && handle.spkr_processing_state == SPKR_PROCESSING_IN_PROGRESS) {
uc_info_tx = get_usecase_from_list(adev, USECASE_AUDIO_SPKR_CALIB_TX);
if (handle.pcm_tx)
pcm_close(handle.pcm_tx);
handle.pcm_tx = NULL;
disable_snd_device(adev, in_snd_device);
if (uc_info_tx) {
list_remove(&uc_info_tx->list);
disable_audio_route(adev, uc_info_tx);
free(uc_info_tx);
}
}
handle.spkr_processing_state = SPKR_PROCESSING_IN_IDLE;
pthread_mutex_unlock(&handle.mutex_spkr_prot);
if (adev)
audio_route_reset_and_update_path(adev->audio_route,
platform_get_snd_device_name(snd_device));
ALOGV("%s: Exit", __func__);
}
bool audio_extn_spkr_prot_is_enabled()
{
return handle.spkr_prot_enable;
}
#endif /*SPKR_PROT_ENABLED*/
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