static void _audio_tx_path_enable(int reconf, uint32_t acdb_id)
{
audio_tx_analog_enable(1);
adie_enable();
adie_set_path(adie, audio_tx_path_id, ADIE_PATH_TX);
if (tx_clk_freq > 8000)
adie_set_path_freq_plan(adie, ADIE_PATH_TX, 48000);
else
adie_set_path_freq_plan(adie, ADIE_PATH_TX, 8000);
adie_proceed_to_stage(adie, ADIE_PATH_TX, ADIE_STAGE_DIGITAL_READY);
adie_proceed_to_stage(adie, ADIE_PATH_TX, ADIE_STAGE_DIGITAL_ANALOG_READY);
if (!reconf)
qdsp6_devchg_notify(ac_control, ADSP_AUDIO_TX_DEVICE,
audio_tx_device_id);
audio_update_acdb(audio_tx_device_id, acdb_id);
qdsp6_standby(ac_control);
qdsp6_start(ac_control);
audio_tx_mute(ac_control, audio_tx_device_id, tx_mute_status);
}
static void adie_rx_path_enable(uint32_t acdb_id)
{
adie_enable();
adie_set_path(adie, audio_rx_path_id, ADIE_PATH_RX);
adie_set_path_freq_plan(adie, ADIE_PATH_RX, 48000);
adie_proceed_to_stage(adie, ADIE_PATH_RX,
ADIE_STAGE_DIGITAL_READY);
adie_proceed_to_stage(adie, ADIE_PATH_RX,
ADIE_STAGE_DIGITAL_ANALOG_READY);
}
struct audio_client *q6audio_open_pcm(uint32_t bufsz, uint32_t rate,
uint32_t channels, uint32_t flags, uint32_t acdb_id)
{
int rc, retry = 5;
struct audio_client *ac;
if (q6audio_init())
return 0;
ac = audio_client_alloc(bufsz);
if (!ac)
return 0;
ac->flags = flags;
mutex_lock(&audio_path_lock);
if (ac->flags & AUDIO_FLAG_WRITE) {
audio_rx_path_refcount++;
if (audio_rx_path_refcount == 1) {
_audio_rx_clk_enable();
#ifdef CONFIG_MSM_QDSP6_CALLREC
q6_rx_path_enable(0, acdb_id);
adie_rx_path_enable(acdb_id);
#else
audio_update_acdb(audio_rx_device_id, acdb_id);
qdsp6_devchg_notify(ac_control, ADSP_AUDIO_RX_DEVICE, audio_rx_device_id);
qdsp6_standby(ac_control);
qdsp6_start(ac_control);
#endif
}
} else {
/* TODO: consider concurrency with voice call */
#ifdef CONFIG_MSM_QDSP6_CALLREC
if (audio_tx_path_refcount > 0) {
tx_clk_freq = 8000;
} else {
tx_clk_freq = rate;
}
#else
tx_clk_freq = rate;
#endif
audio_tx_path_refcount++;
if (audio_tx_path_refcount == 1) {
#ifdef CONFIG_MSM_QDSP6_CALLREC
tx_clk_freq = rate;
#endif
_audio_tx_clk_enable();
_audio_tx_path_enable(0, acdb_id);
}
}
for (retry = 5;; retry--) {
if (ac->flags & AUDIO_FLAG_WRITE)
rc = audio_out_open(ac, bufsz, rate, channels);
else
#ifdef CONFIG_MSM_QDSP6_CALLREC
rc = audio_in_open(ac, bufsz, flags, rate, channels);
#else
rc = audio_in_open(ac, bufsz, rate, channels);
#endif
if (rc == 0)
break;
if (retry == 0)
q6audio_dsp_not_responding();
pr_err("q6audio: open pcm error %d, retrying\n", rc);
msleep(1);
}
if (ac->flags & AUDIO_FLAG_WRITE) {
if (audio_rx_path_refcount == 1) {
#ifndef CONFIG_MSM_QDSP6_CALLREC
adie_enable();
adie_set_path(adie, audio_rx_path_id, ADIE_PATH_RX);
adie_set_path_freq_plan(adie, ADIE_PATH_RX, 48000);
adie_proceed_to_stage(adie, ADIE_PATH_RX, ADIE_STAGE_DIGITAL_READY);
adie_proceed_to_stage(adie, ADIE_PATH_RX, ADIE_STAGE_DIGITAL_ANALOG_READY);
#endif
audio_rx_analog_enable(1);
}
}
mutex_unlock(&audio_path_lock);
for (retry = 5;; retry--) {
rc = audio_command(ac, ADSP_AUDIO_IOCTL_CMD_SESSION_START);
if (rc == 0)
break;
if (retry == 0)
q6audio_dsp_not_responding();
pr_err("q6audio: stream start error %d, retrying\n", rc);
}
if (!(ac->flags & AUDIO_FLAG_WRITE)) {
ac->buf[0].used = 1;
ac->buf[1].used = 1;
q6audio_read(ac, &ac->buf[0]);
q6audio_read(ac, &ac->buf[1]);
}
audio_prevent_sleep();
return ac;
}