/*
* Copyright (C) 2017 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.
*/
#define LOG_TAG "audio_hw_cirrus_playback"
/*#define LOG_NDEBUG 0*/
#include <errno.h>
#include <math.h>
#include <log/log.h>
#include <fcntl.h>
#include "../audio_hw.h"
#include "platform.h"
#include "platform_api.h"
#include <sys/stat.h>
#include <linux/types.h>
#include <linux/ioctl.h>
#include <stdlib.h>
#include <stdio.h>
#include <dlfcn.h>
#include <math.h>
#include <pthread.h>
#include <time.h>
#include <unistd.h>
#include <cutils/properties.h>
#include "audio_extn.h"
struct cirrus_playback_session {
void *adev_handle;
pthread_mutex_t fb_prot_mutex;
pthread_t calibration_thread;
#ifdef ENABLE_CIRRUS_DETECTION
pthread_t failure_detect_thread;
#endif
struct pcm *pcm_rx;
struct pcm *pcm_tx;
volatile int32_t state;
};
enum cirrus_playback_state {
INIT = 0,
CALIBRATING = 1,
IDLE = 2,
PLAYBACK = 3
};
struct crus_sp_ioctl_header {
uint32_t size;
uint32_t module_id;
uint32_t param_id;
uint32_t data_length;
void *data;
};
/* Payload struct for getting calibration result from DSP module */
struct cirrus_cal_result_t {
int32_t status_l;
int32_t checksum_l;
int32_t z_l;
int32_t status_r;
int32_t checksum_r;
int32_t z_r;
};
/* Payload struct for setting the RX and TX use cases */
struct crus_rx_run_case_ctrl_t {
int32_t value;
int32_t status_l;
int32_t checksum_l;
int32_t z_l;
int32_t status_r;
int32_t checksum_r;
int32_t z_r;
};
#define CRUS_SP_FILE "/dev/msm_cirrus_playback"
#define CRUS_CAL_FILE "/persist/audio/audio.cal"
#define CRUS_TX_CONF_FILE "vendor/firmware/crus_sp_config_%s_tx.bin"
#define CRUS_RX_CONF_FILE "vendor/firmware/crus_sp_config_%s_rx.bin"
#define CONFIG_FILE_SIZE 128
#define CRUS_SP_USECASE_MIXER "Cirrus SP Usecase"
#define CRUS_SP_LOAD_CONF_MIXER "Cirrus SP Load Config"
#define CRUS_SP_FAIL_DET_MIXER "Cirrus SP Failure Detection"
#define CIRRUS_SP 0x10027053
#define CRUS_MODULE_ID_TX 0x00000002
#define CRUS_MODULE_ID_RX 0x00000001
#define CRUS_PARAM_RX_SET_USECASE 0x00A1AF02
#define CRUS_PARAM_TX_SET_USECASE 0x00A1BF0A
#define CRUS_PARAM_RX_SET_CALIB 0x00A1AF03
#define CRUS_PARAM_TX_SET_CALIB 0x00A1BF03
#define CRUS_PARAM_RX_SET_EXT_CONFIG 0x00A1AF05
#define CRUS_PARAM_TX_SET_EXT_CONFIG 0x00A1BF08
#define CRUS_PARAM_RX_GET_TEMP 0x00A1AF07
#define CRUS_PARAM_TX_GET_TEMP_CAL 0x00A1BF06
// variables based on CSPL tuning file, max parameter length is 96 integers (384 bytes)
#define CRUS_PARAM_TEMP_MAX_LENGTH 384
#define CRUS_AFE_PARAM_ID_ENABLE 0x00010203
#define FAIL_DETECT_INIT_WAIT_US 500000
#define FAIL_DETECT_LOOP_WAIT_US 300000
#define CRUS_DEFAULT_CAL_L 0x2A11
#define CRUS_DEFAULT_CAL_R 0x29CB
#define CRUS_SP_IOCTL_MAGIC 'a'
#define CRUS_SP_IOCTL_GET _IOWR(CRUS_SP_IOCTL_MAGIC, 219, void *)
#define CRUS_SP_IOCTL_SET _IOWR(CRUS_SP_IOCTL_MAGIC, 220, void *)
#define CRUS_SP_IOCTL_GET_CALIB _IOWR(CRUS_SP_IOCTL_MAGIC, 221, void *)
#define CRUS_SP_IOCTL_SET_CALIB _IOWR(CRUS_SP_IOCTL_MAGIC, 222, void *)
static struct pcm_config pcm_config_cirrus_tx = {
.channels = 2,
.rate = 48000,
.period_size = 320,
.period_count = 4,
.format = PCM_FORMAT_S16_LE,
.start_threshold = 0,
.stop_threshold = INT_MAX,
.avail_min = 0,
};
static struct pcm_config pcm_config_cirrus_rx = {
.channels = 8,
.rate = 48000,
.period_size = 320,
.period_count = 4,
.format = PCM_FORMAT_S32_LE,
.start_threshold = 0,
.stop_threshold = INT_MAX,
.avail_min = 0,
};
static struct cirrus_playback_session handle;
static void *audio_extn_cirrus_calibration_thread();
#ifdef ENABLE_CIRRUS_DETECTION
static void *audio_extn_cirrus_failure_detect_thread();
#endif
void audio_extn_spkr_prot_init(void *adev) {
ALOGI("%s: Initialize Cirrus Logic Playback module", __func__);
memset(&handle, 0, sizeof(handle));
if (!adev) {
ALOGE("%s: Invalid params", __func__);
return;
}
handle.adev_handle = adev;
handle.state = INIT;
pthread_mutex_init(&handle.fb_prot_mutex, NULL);
(void)pthread_create(&handle.calibration_thread,
(const pthread_attr_t *) NULL,
audio_extn_cirrus_calibration_thread, &handle);
}
static int audio_extn_cirrus_run_calibration() {
struct audio_device *adev = handle.adev_handle;
struct crus_sp_ioctl_header header;
struct cirrus_cal_result_t result;
struct mixer_ctl *ctl = NULL;
FILE *cal_file = NULL;
int ret = 0, dev_file = -1;
char *buffer = NULL;
uint32_t option = 1;
ALOGI("%s: Running speaker calibration", __func__);
dev_file = open(CRUS_SP_FILE, O_RDWR | O_NONBLOCK);
if (dev_file < 0) {
ALOGE("%s: Failed to open Cirrus Playback IOCTL (%d)",
__func__, dev_file);
ret = -EINVAL;
goto exit;
}
buffer = calloc(1, CRUS_PARAM_TEMP_MAX_LENGTH);
if (!buffer) {
ALOGE("%s: allocate memory failed", __func__);
ret = -ENOMEM;
goto exit;
}
cal_file = fopen(CRUS_CAL_FILE, "r");
if (cal_file) {
ret = fread(&result, sizeof(result), 1, cal_file);
if (ret != 1) {
ALOGE("%s: Cirrus SP calibration file cannot be read , read size: %lu file error: %d",
__func__, (unsigned long)ret * sizeof(result), ferror(cal_file));
ret = -EINVAL;
fclose(cal_file);
goto exit;
}
fclose(cal_file);
} else {
ALOGV("%s: Calibrating...", __func__);
header.size = sizeof(header);
header.module_id = CRUS_MODULE_ID_RX;
header.param_id = CRUS_PARAM_RX_SET_CALIB;
header.data_length = sizeof(option);
header.data = &option;
ret = ioctl(dev_file, CRUS_SP_IOCTL_SET, &header);
if (ret < 0) {
ALOGE("%s: Cirrus SP calibration IOCTL failure (%d)",
__func__, ret);
ret = -EINVAL;
goto exit;
}
header.size = sizeof(header);
header.module_id = CRUS_MODULE_ID_TX;
header.param_id = CRUS_PARAM_TX_SET_CALIB;
header.data_length = sizeof(option);
header.data = &option;
ret = ioctl(dev_file, CRUS_SP_IOCTL_SET, &header);
if (ret < 0) {
ALOGE("%s: Cirrus SP calibration IOCTL failure (%d)",
__func__, ret);
ret = -EINVAL;
goto exit;
}
sleep(2);
header.size = sizeof(header);
header.module_id = CRUS_MODULE_ID_TX;
header.param_id = CRUS_PARAM_TX_GET_TEMP_CAL;
header.data_length = sizeof(result);
header.data = &result;
ret = ioctl(dev_file, CRUS_SP_IOCTL_GET, &header);
if (ret < 0) {
ALOGE("%s: Cirrus SP calibration IOCTL failure (%d)",
__func__, ret);
ret = -EINVAL;
goto exit;
}
if (result.status_l != 1) {
ALOGE("%s: Left calibration failure. Please check speakers",
__func__);
ret = -EINVAL;
}
if (result.status_r != 1) {
ALOGE("%s: Right calibration failure. Please check speakers",
__func__);
ret = -EINVAL;
}
if (ret < 0)
goto exit;
#ifdef ENABLED_CIRRUS_WRITE_CAL_FILE
cal_file = fopen(CRUS_CAL_FILE, "wb");
if (cal_file == NULL) {
ALOGE("%s: Cannot create Cirrus SP calibration file (%s)",
__func__, strerror(errno));
ret = -EINVAL;
goto exit;
}
ret = fwrite(&result, sizeof(result), 1, cal_file);
if (ret != 1) {
ALOGE("%s: Unable to save Cirrus SP calibration data, write size %lu, file error %d",
__func__, (unsigned long)ret * sizeof(result), ferror(cal_file));
fclose(cal_file);
ret = -EINVAL;
goto exit;
}
fclose(cal_file);
ALOGI("%s: Cirrus calibration file successfully written",
__func__);
#endif
}
header.size = sizeof(header);
header.module_id = CRUS_MODULE_ID_TX;
header.param_id = 0;
header.data_length = sizeof(result);
header.data = &result;
ret = ioctl(dev_file, CRUS_SP_IOCTL_SET_CALIB, &header);
if (ret < 0) {
ALOGE("%s: Cirrus SP calibration IOCTL failure (%d)", __func__, ret);
ret = -EINVAL;
goto exit;
}
ctl = mixer_get_ctl_by_name(adev->mixer,
CRUS_SP_USECASE_MIXER);
if (!ctl) {
ALOGE("%s: Could not get ctl for mixer cmd - %s",
__func__, CRUS_SP_USECASE_MIXER);
ret = -EINVAL;
goto exit;
}
ret = mixer_ctl_set_value(ctl, 0, 0); // Set RX external firmware config
if (ret < 0) {
ALOGE("%s: set default usecase failed", __func__);
goto exit;
}
sleep(1);
header.size = sizeof(header);
header.module_id = CRUS_MODULE_ID_RX;
header.param_id = CRUS_PARAM_RX_GET_TEMP;
header.data_length = CRUS_PARAM_TEMP_MAX_LENGTH;
header.data = buffer;
ret = ioctl(dev_file, CRUS_SP_IOCTL_GET, &header);
if (ret < 0) {
ALOGE("%s: Cirrus SP temperature IOCTL failure (%d)", __func__, ret);
ret = -EINVAL;
goto exit;
}
ALOGI("%s: Cirrus SP successfully calibrated", __func__);
exit:
if (dev_file >= 0)
close(dev_file);
free(buffer);
ALOGV("%s: Exit", __func__);
return ret;
}
static int audio_extn_cirrus_load_usecase_configs(void) {
struct audio_device *adev = handle.adev_handle;
struct mixer_ctl *ctl_uc = NULL, *ctl_config = NULL;
char *filename = NULL;
int ret = 0, default_uc = 0;
struct snd_card_split *snd_split_handle = NULL;
snd_split_handle = audio_extn_get_snd_card_split();
ALOGI("%s: Loading usecase tuning configs", __func__);
ctl_uc = mixer_get_ctl_by_name(adev->mixer, CRUS_SP_USECASE_MIXER);
ctl_config = mixer_get_ctl_by_name(adev->mixer,
CRUS_SP_LOAD_CONF_MIXER);
if (!ctl_uc || !ctl_config) {
ALOGE("%s: Could not get ctl for mixer commands", __func__);
ret = -EINVAL;
goto exit;
}
filename = calloc(1 , CONFIG_FILE_SIZE);
if (!filename) {
ALOGE("%s: allocate memory failed", __func__);
ret = -ENOMEM;
goto exit;
}
default_uc = mixer_ctl_get_value(ctl_uc, 0);
ret = mixer_ctl_set_value(ctl_uc, 0, default_uc);
if (ret < 0) {
ALOGE("%s set uscase %d failed", __func__, default_uc);
goto exit;
}
/* Load TX Tuning Config (if available) */
snprintf(filename, CONFIG_FILE_SIZE, CRUS_TX_CONF_FILE, snd_split_handle->form_factor);
if (access(filename, R_OK) == 0) {
ret = mixer_ctl_set_value(ctl_config, 0, 2);
if (ret < 0) {
ALOGE("%s set tx config failed", __func__);
goto exit;
}
} else {
ALOGE("%s: Tuning file not found (%s)", __func__,
filename);
ret = -EINVAL;
goto exit;
}
/* Load RX Tuning Config (if available) */
snprintf(filename, CONFIG_FILE_SIZE, CRUS_RX_CONF_FILE, snd_split_handle->form_factor);
if (access(filename, R_OK) == 0) {
ret = mixer_ctl_set_value(ctl_config, 0, 1);
if (ret < 0) {
ALOGE("%s set rx config failed", __func__);
goto exit;
}
} else {
ALOGE("%s: Tuning file not found (%s)", __func__,
filename);
ret = -EINVAL;
goto exit;
}
ALOGI("%s: Cirrus SP loaded available usecase configs", __func__);
exit:
free(filename);
ALOGI("%s: Exit", __func__);
return ret;
}
static void *audio_extn_cirrus_calibration_thread() {
struct audio_device *adev = handle.adev_handle;
struct audio_usecase *uc_info_rx = NULL;
int ret = 0;
int32_t pcm_dev_rx_id, prev_state;
uint32_t retries = 5;
ALOGI("%s: PCM Stream thread", __func__);
while (!adev->platform && retries) {
sleep(1);
ALOGI("%s: Waiting...", __func__);
retries--;
}
prev_state = handle.state;
handle.state = CALIBRATING;
uc_info_rx = (struct audio_usecase *)calloc(1, sizeof(struct audio_usecase));
if (!uc_info_rx) {
ALOGE("%s: rx usecase can not be found", __func__);
goto exit;
}
pthread_mutex_lock(&adev->lock);
uc_info_rx->id = USECASE_AUDIO_PLAYBACK_DEEP_BUFFER;
uc_info_rx->type = PCM_PLAYBACK;
uc_info_rx->in_snd_device = SND_DEVICE_NONE;
uc_info_rx->stream.out = adev->primary_output;
uc_info_rx->out_snd_device = SND_DEVICE_OUT_SPEAKER;
list_add_tail(&adev->usecase_list, &uc_info_rx->list);
enable_snd_device(adev, SND_DEVICE_OUT_SPEAKER);
enable_audio_route(adev, uc_info_rx);
pcm_dev_rx_id = platform_get_pcm_device_id(uc_info_rx->id, PCM_PLAYBACK);
if (pcm_dev_rx_id < 0) {
ALOGE("%s: Invalid pcm device for usecase (%d)",
__func__, uc_info_rx->id);
pthread_mutex_unlock(&adev->lock);
goto exit;
}
handle.pcm_rx = pcm_open(adev->snd_card, pcm_dev_rx_id,
PCM_OUT, &pcm_config_cirrus_rx);
if (handle.pcm_rx && !pcm_is_ready(handle.pcm_rx)) {
ALOGE("%s: PCM device not ready: %s", __func__,
pcm_get_error(handle.pcm_rx));
pthread_mutex_unlock(&adev->lock);
goto close_stream;
}
if (pcm_start(handle.pcm_rx) < 0) {
ALOGE("%s: pcm start for RX failed; error = %s", __func__,
pcm_get_error(handle.pcm_rx));
pthread_mutex_unlock(&adev->lock);
goto close_stream;
}
pthread_mutex_unlock(&adev->lock);
ALOGI("%s: PCM thread streaming", __func__);
ret = audio_extn_cirrus_run_calibration();
ALOGE_IF(ret < 0, "%s: Calibration procedure failed (%d)", __func__, ret);
ret = audio_extn_cirrus_load_usecase_configs();
ALOGE_IF(ret < 0, "%s: Set tuning configs failed (%d)", __func__, ret);
close_stream:
pthread_mutex_lock(&adev->lock);
if (handle.pcm_rx) {
ALOGI("%s: pcm_rx_close", __func__);
pcm_close(handle.pcm_rx);
handle.pcm_rx = NULL;
}
disable_audio_route(adev, uc_info_rx);
disable_snd_device(adev, SND_DEVICE_OUT_SPEAKER);
list_remove(&uc_info_rx->list);
free(uc_info_rx);
pthread_mutex_unlock(&adev->lock);
exit:
handle.state = (prev_state == PLAYBACK) ? PLAYBACK : IDLE;
#ifdef ENABLE_CIRRUS_DETECTION
if (handle.state == PLAYBACK)
(void)pthread_create(&handle.failure_detect_thread,
(const pthread_attr_t *) NULL,
audio_extn_cirrus_failure_detect_thread,
&handle);
#endif
ALOGV("%s: Exit", __func__);
pthread_exit(0);
return NULL;
}
#ifdef ENABLE_CIRRUS_DETECTION
void *audio_extn_cirrus_failure_detect_thread() {
struct audio_device *adev = handle.adev_handle;
struct crus_sp_ioctl_header header;
struct mixer_ctl *ctl = NULL;
const int32_t r_scale_factor = 100000000;
const int32_t t_scale_factor = 100000;
const int32_t r_err_range = 70000000;
const int32_t t_err_range = 210000;
const int32_t amp_factor = 71498;
const int32_t material = 250;
int32_t *buffer = NULL;
int ret = 0, dev_file = -1, out_cal0 = 0, out_cal1 = 0;
int rL = 0, rR = 0, zL = 0, zR = 0, tL = 0, tR = 0;
int rdL = 0, rdR = 0, tdL = 0, tdR = 0, ambL = 0, ambR = 0;
bool left_cal_done = false, right_cal_done = false;
bool det_en = false;
ALOGI("%s: Entry", __func__);
ctl = mixer_get_ctl_by_name(adev->mixer, CRUS_SP_FAIL_DET_MIXER);
det_en = mixer_ctl_get_value(ctl, 0);
if (!det_en)
goto exit;
dev_file = open(CRUS_SP_FILE, O_RDWR | O_NONBLOCK);
if (dev_file < 0) {
ALOGE("%s: Failed to open Cirrus Playback IOCTL (%d)",
__func__, dev_file);
goto exit;
}
buffer = calloc(1, CRUS_PARAM_TEMP_MAX_LENGTH);
if (!buffer) {
ALOGE("%s: allocate memory failed", __func__);
goto exit;
}
header.size = sizeof(header);
header.module_id = CRUS_MODULE_ID_RX;
header.param_id = CRUS_PARAM_RX_GET_TEMP;
header.data_length = CRUS_PARAM_TEMP_MAX_LENGTH;
header.data = buffer;
usleep(FAIL_DETECT_INIT_WAIT_US);
pthread_mutex_lock(&handle.fb_prot_mutex);
ret = ioctl(dev_file, CRUS_SP_IOCTL_GET, &header);
pthread_mutex_unlock(&handle.fb_prot_mutex);
if (ret < 0) {
ALOGE("%s: Cirrus SP IOCTL failure (%d)",
__func__, ret);
goto exit;
}
zL = buffer[2] * amp_factor;
zR = buffer[4] * amp_factor;
ambL = buffer[10];
ambR = buffer[6];
out_cal0 = buffer[12];
out_cal1 = buffer[13];
left_cal_done = (out_cal0 == 2) && (out_cal1 == 2) &&
(buffer[2] != CRUS_DEFAULT_CAL_L);
out_cal0 = buffer[14];
out_cal1 = buffer[15];
right_cal_done = (out_cal0 == 2) && (out_cal1 == 2) &&
(buffer[4] != CRUS_DEFAULT_CAL_R);
if (left_cal_done) {
ALOGI("%s: L Speaker Impedance: %d.%08d ohms", __func__,
zL / r_scale_factor, abs(zL) % r_scale_factor);
ALOGI("%s: L Calibration Temperature: %d C", __func__, ambL);
} else
ALOGE("%s: Left speaker uncalibrated", __func__);
if (right_cal_done) {
ALOGI("%s: R Speaker Impedance: %d.%08d ohms", __func__,
zR / r_scale_factor, abs(zR) % r_scale_factor);
ALOGI("%s: R Calibration Temperature: %d C", __func__, ambR);
} else
ALOGE("%s: Right speaker uncalibrated", __func__);
if (!left_cal_done && !right_cal_done)
goto exit;
ALOGI("%s: Monitoring speaker impedance & temperature...", __func__);
while ((handle.state == PLAYBACK) && det_en) {
pthread_mutex_lock(&handle.fb_prot_mutex);
ret = ioctl(dev_file, CRUS_SP_IOCTL_GET, &header);
pthread_mutex_unlock(&handle.fb_prot_mutex);
if (ret < 0) {
ALOGE("%s: Cirrus SP IOCTL failure (%d)",
__func__, ret);
goto loop;
}
rL = buffer[3];
rR = buffer[1];
zL = buffer[2];
zR = buffer[4];
if ((zL == 0) || (zR == 0))
goto loop;
tdL = (material * t_scale_factor * (rL-zL) / zL);
tdR = (material * t_scale_factor * (rR-zR) / zR);
rL *= amp_factor;
rR *= amp_factor;
zL *= amp_factor;
zR *= amp_factor;
tL = tdL + (ambL * t_scale_factor);
tR = tdR + (ambR * t_scale_factor);
rdL = abs(zL - rL);
rdR = abs(zR - rR);
if (left_cal_done && (rL != 0) && (rdL > r_err_range))
ALOGI("%s: Left speaker impedance out of range (%d.%08d ohms)",
__func__, rL / r_scale_factor,
abs(rL % r_scale_factor));
if (right_cal_done && (rR != 0) && (rdR > r_err_range))
ALOGI("%s: Right speaker impedance out of range (%d.%08d ohms)",
__func__, rR / r_scale_factor,
abs(rR % r_scale_factor));
if (left_cal_done && (rL != 0) && (tdL > t_err_range))
ALOGI("%s: Left speaker temperature out of range (%d.%05d C)",
__func__, tL / t_scale_factor,
abs(tL % t_scale_factor));
if (right_cal_done && (rR != 0) && (tdR > t_err_range))
ALOGI("%s: Right speaker temperature out of range (%d.%05d C)",
__func__, tR / t_scale_factor,
abs(tR % t_scale_factor));
loop:
det_en = mixer_ctl_get_value(ctl, 0);
usleep(FAIL_DETECT_LOOP_WAIT_US);
}
exit:
if (dev_file >= 0)
close(dev_file);
free(buffer);
ALOGI("%s: Exit ", __func__);
pthread_exit(0);
return NULL;
}
#endif
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;
ALOGV("%s: Entry", __func__);
if (!adev) {
ALOGE("%s: Invalid params", __func__);
return -EINVAL;
}
uc_info_tx = (struct audio_usecase *)calloc(1, sizeof(*uc_info_tx));
if (!uc_info_tx) {
ALOGE("%s: allocate memory failed", __func__);
return -ENOMEM;
}
audio_route_apply_and_update_path(adev->audio_route,
platform_get_snd_device_name(snd_device));
pthread_mutex_lock(&handle.fb_prot_mutex);
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;
handle.pcm_tx = NULL;
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);
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_cirrus_tx);
if (handle.pcm_tx && !pcm_is_ready(handle.pcm_tx)) {
ALOGE("%s: PCM device not ready: %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; error = %s", __func__,
pcm_get_error(handle.pcm_tx));
ret = -EINVAL;
goto exit;
}
#ifdef ENABLE_CIRRUS_DETECTION
if (handle.state == IDLE)
(void)pthread_create(&handle.failure_detect_thread,
(const pthread_attr_t *) NULL,
audio_extn_cirrus_failure_detect_thread,
&handle);
#endif
handle.state = PLAYBACK;
exit:
if (ret) {
handle.state = IDLE;
if (handle.pcm_tx) {
ALOGI("%s: pcm_tx_close", __func__);
pcm_close(handle.pcm_tx);
handle.pcm_tx = NULL;
}
disable_audio_route(adev, uc_info_tx);
disable_snd_device(adev, SND_DEVICE_IN_CAPTURE_VI_FEEDBACK);
list_remove(&uc_info_tx->list);
free(uc_info_tx);
}
pthread_mutex_unlock(&handle.fb_prot_mutex);
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;
ALOGV("%s: Entry", __func__);
pthread_mutex_lock(&handle.fb_prot_mutex);
handle.state = IDLE;
uc_info_tx = get_usecase_from_list(adev, USECASE_AUDIO_SPKR_CALIB_TX);
if (uc_info_tx) {
if (handle.pcm_tx) {
ALOGI("%s: pcm_tx_close", __func__);
pcm_close(handle.pcm_tx);
handle.pcm_tx = NULL;
}
disable_audio_route(adev, uc_info_tx);
disable_snd_device(adev, SND_DEVICE_IN_CAPTURE_VI_FEEDBACK);
list_remove(&uc_info_tx->list);
free(uc_info_tx);
audio_route_reset_path(adev->audio_route,
platform_get_snd_device_name(snd_device));
}
pthread_mutex_unlock(&handle.fb_prot_mutex);
ALOGV("%s: Exit", __func__);
}
bool audio_extn_spkr_prot_is_enabled() {
return true;
}
int audio_extn_get_spkr_prot_snd_device(snd_device_t snd_device) {
switch(snd_device) {
case SND_DEVICE_OUT_SPEAKER:
case SND_DEVICE_OUT_SPEAKER_REVERSE:
return SND_DEVICE_OUT_SPEAKER_PROTECTED;
case SND_DEVICE_OUT_SPEAKER_SAFE:
return SND_DEVICE_OUT_SPEAKER_SAFE;
case SND_DEVICE_OUT_VOICE_SPEAKER:
return SND_DEVICE_OUT_VOICE_SPEAKER_PROTECTED;
default:
return snd_device;
}
}
void audio_extn_spkr_prot_calib_cancel(__unused void *adev) {
// FIXME: wait or cancel audio_extn_cirrus_run_calibration
}