/* ------------------- dsp preproc event handler--------------------- */
static void audpreproc_dsp_event(void *data, unsigned id, void *msg)
{
struct audio_in *audio = data;
switch (id) {
case AUDPREPROC_ERROR_MSG: {
struct audpreproc_err_msg *err_msg = msg;
MM_ERR("ERROR_MSG: stream id %d err idx %d\n",
err_msg->stream_id, err_msg->aud_preproc_err_idx);
/* Error case */
wake_up(&audio->wait_enable);
break;
}
case AUDPREPROC_CMD_CFG_DONE_MSG: {
MM_DBG("CMD_CFG_DONE_MSG \n");
break;
}
case AUDPREPROC_CMD_ENC_CFG_DONE_MSG: {
struct audpreproc_cmd_enc_cfg_done_msg *enc_cfg_msg = msg;
MM_DBG("CMD_ENC_CFG_DONE_MSG: stream id %d enc type \
0x%8x\n", enc_cfg_msg->stream_id,
enc_cfg_msg->rec_enc_type);
/* Encoder enable success */
if (enc_cfg_msg->rec_enc_type & ENCODE_ENABLE)
audpcm_in_param_config(audio);
else { /* Encoder disable success */
audio->running = 0;
audpcm_in_record_config(audio, 0);
}
break;
}
case AUDPREPROC_CMD_ENC_PARAM_CFG_DONE_MSG: {
MM_DBG("CMD_ENC_PARAM_CFG_DONE_MSG \n");
audpcm_in_mem_config(audio);
break;
}
case AUDPREPROC_AFE_CMD_AUDIO_RECORD_CFG_DONE_MSG: {
MM_DBG("AFE_CMD_AUDIO_RECORD_CFG_DONE_MSG \n");
wake_up(&audio->wait_enable);
break;
}
default:
MM_ERR("Unknown Event id %d\n", id);
}
}
/* ------------------- dsp audrec event handler--------------------- */
static void audrec_dsp_event(void *data, unsigned id, size_t len,
void (*getevent)(void *ptr, size_t len))
{
struct audio_in *audio = data;
switch (id) {
case AUDREC_CMD_MEM_CFG_DONE_MSG: {
MM_DBG("CMD_MEM_CFG_DONE MSG DONE\n");
audio->running = 1;
if (audio->dev_cnt > 0)
audpcm_in_record_config(audio, 1);
break;
}
case AUDREC_FATAL_ERR_MSG: {
struct audrec_fatal_err_msg fatal_err_msg;
getevent(&fatal_err_msg, AUDREC_FATAL_ERR_MSG_LEN);
MM_AUD_ERR("FATAL_ERR_MSG: err id %d\n",
fatal_err_msg.audrec_err_id);
/* Error stop the encoder */
audio->stopped = 1;
wake_up(&audio->wait);
break;
}
case AUDREC_UP_PACKET_READY_MSG: {
struct audrec_up_pkt_ready_msg pkt_ready_msg;
getevent(&pkt_ready_msg, AUDREC_UP_PACKET_READY_MSG_LEN);
MM_DBG("UP_PACKET_READY_MSG: write cnt lsw %d \
write cnt msw %d read cnt lsw %d read cnt msw %d \n",\
pkt_ready_msg.audrec_packet_write_cnt_lsw, \
pkt_ready_msg.audrec_packet_write_cnt_msw, \
pkt_ready_msg.audrec_up_prev_read_cnt_lsw, \
pkt_ready_msg.audrec_up_prev_read_cnt_msw);
audpcm_in_get_dsp_frames(audio);
break;
}
case ADSP_MESSAGE_ID:
MM_DBG("audrec: enable/disable done\n");
break;
default:
MM_AUD_ERR("Unknown Event id %d\n", id);
}
}
static void pcm_in_listener(u32 evt_id, union auddev_evt_data *evt_payload,
void *private_data)
{
struct audio_in *audio = (struct audio_in *) private_data;
unsigned long flags;
MM_DBG("evt_id = 0x%8x\n", evt_id);
switch (evt_id) {
case AUDDEV_EVT_DEV_RDY: {
MM_DBG("AUDDEV_EVT_DEV_RDY\n");
spin_lock_irqsave(&audio->dev_lock, flags);
audio->dev_cnt++;
if (!audio->in_call)
audio->source |= (0x1 << evt_payload->routing_id);
spin_unlock_irqrestore(&audio->dev_lock, flags);
if ((audio->running == 1) && (audio->enabled == 1))
audpcm_in_record_config(audio, 1);
break;
}
case AUDDEV_EVT_DEV_RLS: {
MM_DBG("AUDDEV_EVT_DEV_RLS\n");
spin_lock_irqsave(&audio->dev_lock, flags);
audio->dev_cnt--;
if (!audio->in_call)
audio->source &= ~(0x1 << evt_payload->routing_id);
spin_unlock_irqrestore(&audio->dev_lock, flags);
if (!audio->running || !audio->enabled)
break;
/* Turn of as per source */
if (audio->source)
audpcm_in_record_config(audio, 1);
else
/* Turn off all */
audpcm_in_record_config(audio, 0);
break;
}
case AUDDEV_EVT_VOICE_STATE_CHG: {
MM_DBG("AUDDEV_EVT_VOICE_STATE_CHG, state = %d\n",
evt_payload->voice_state);
audio->voice_state = evt_payload->voice_state;
if (audio->in_call && audio->running) {
if (audio->voice_state == VOICE_STATE_INCALL)
audpcm_in_record_config(audio, 1);
else if (audio->voice_state == VOICE_STATE_OFFCALL) {
audpcm_in_record_config(audio, 0);
wake_up(&audio->wait);
}
}
break;
}
case AUDDEV_EVT_FREQ_CHG: {
MM_DBG("Encoder Driver got sample rate change event\n");
MM_DBG("sample rate %d\n", evt_payload->freq_info.sample_rate);
MM_DBG("dev_type %d\n", evt_payload->freq_info.dev_type);
MM_DBG("acdb_dev_id %d\n", evt_payload->freq_info.acdb_dev_id);
if (audio->running == 1) {
/* Stop Recording sample rate does not match
with device sample rate */
if (evt_payload->freq_info.sample_rate !=
audio->samp_rate) {
audpcm_in_record_config(audio, 0);
audio->abort = 1;
wake_up(&audio->wait);
}
}
break;
}
default:
MM_AUD_ERR("wrong event %d\n", evt_id);
break;
}
}
/* ------------------- device --------------------- */
static long audpcm_in_ioctl(struct file *file,
unsigned int cmd, unsigned long arg)
{
struct audio_in *audio = file->private_data;
int rc = 0;
if (cmd == AUDIO_STOP) {
unsigned long flags;
MM_DBG("AUDIO_STOP\n");
spin_lock_irqsave(&audio->dsp_lock, flags);
audio->stopped = 1;
spin_unlock_irqrestore(&audio->dsp_lock, flags);
wake_up(&audio->wait_voice_incall);
}
mutex_lock(&audio->lock);
switch (cmd) {
case AUDIO_GET_STATS: {
struct msm_audio_stats stats;
stats.byte_count = atomic_read(&audio->in_bytes);
stats.sample_count = atomic_read(&audio->in_samples);
if (copy_to_user((void *) arg, &stats, sizeof(stats)))
rc = -EFAULT;
break;
}
case AUDIO_GET_VOICE_STATE: {
int vstate = audio->voice_state;
if (copy_to_user((void *) arg, &vstate, sizeof(vstate)))
rc = -EFAULT;
break;
}
case AUDIO_GET_DEV_DRV_VER: {
unsigned int vers = DEV_DRV_VER;
if (copy_to_user((void *) arg, &vers, sizeof(vers)))
rc = -EFAULT;
break;
}
case AUDIO_START: {
uint32_t freq;
struct timespec ts;
/* Poll at 48KHz always */
freq = 48000;
MM_DBG("AUDIO_START\n");
if (audio->in_call && (audio->voice_state != VOICE_STATE_INCALL)) {
ts = CURRENT_TIME;
rc = wait_event_interruptible(audio->wait_voice_incall,
audio->voice_state == VOICE_STATE_INCALL || audio->stopped);
if(rc < 0 || audio->voice_state != VOICE_STATE_INCALL || audio->stopped) {
MM_DBG("valid incall state unreacheable\n");
return -EPERM;
}
ts = timespec_sub(CURRENT_TIME,ts);
MM_DBG("waited %ld.%03ld sec for voice incall state\n", ts.tv_sec, ts.tv_nsec/NSEC_PER_MSEC);
}
rc = msm_snddev_request_freq(&freq, audio->enc_id, SNDDEV_CAP_TX, AUDDEV_CLNT_ENC);
if (rc < 0) {
MM_DBG("sample rate can not be set, return code %d\n", rc);
msm_snddev_withdraw_freq(audio->enc_id,
SNDDEV_CAP_TX, AUDDEV_CLNT_ENC);
MM_DBG("msm_snddev_withdraw_freq\n");
break;
}
MM_DBG("freq configured for %d\n", freq);
rc = audpcm_in_enable(audio);
if (rc == 0) {
ts = CURRENT_TIME;
rc = wait_event_interruptible_timeout(audio->wait_enable, audio->running != 0, 3*HZ);
ts = timespec_sub(CURRENT_TIME,ts);
MM_DBG("state = %d, rc = %d after %ld.%03ld sec\n", audio->running, rc,
ts.tv_sec, ts.tv_nsec/NSEC_PER_MSEC);
rc = (audio->running == 0) ? -ENODEV : 0;
} else MM_DBG("failed to enable audpcm\n");
if (rc == 0 && audio->in_call) {
rc = audpcm_in_record_config(audio, 1);
if (rc != 0) MM_ERR("failed to send record config cmd\n");
else {
ts = CURRENT_TIME;
atomic_set(&audio->rec_conf,0);
wait_event_interruptible_timeout(audio->wait_rec_cfg,
atomic_read(&audio->rec_conf) != 0, 3*HZ);
if (atomic_read(&audio->rec_conf) == 0) {
MM_DBG("failed to config recording\n");
rc = -EFAULT;
} else {
ts = timespec_sub(CURRENT_TIME,ts);
MM_DBG("record config success after %ld.%03ld sec\n",
ts.tv_sec, ts.tv_nsec/NSEC_PER_MSEC);
}
}
}
audio->stopped = 0;
break;
}
case AUDIO_STOP: {
rc = audpcm_in_disable(audio);
if (rc != 0) MM_DBG("failed to stop audio\n");
rc = msm_snddev_withdraw_freq(audio->enc_id,SNDDEV_CAP_TX, AUDDEV_CLNT_ENC);
break;
}
case AUDIO_FLUSH: {
MM_DBG("AUDIO_FLUSH\n");
if (audio->stopped) {
/* Make sure we're stopped and we wake any threads
* that might be blocked holding the read_lock.
* While audio->stopped read threads will always
* exit immediately.
*/
wake_up(&audio->wait);
if (!mutex_trylock(&audio->read_lock))
do {
msleep(50);
wake_up(&audio->wait);
} while (!mutex_trylock(&audio->read_lock));
audpcm_in_flush(audio);
mutex_unlock(&audio->read_lock);
}
break;
}
case AUDIO_SET_CONFIG: {
struct msm_audio_config cfg;
if (copy_from_user(&cfg, (void *) arg, sizeof(cfg))) {
rc = -EFAULT;
break;
}
if (cfg.channel_count == 1) {
cfg.channel_count = AUDREC_CMD_MODE_MONO;
audio->buffer_size = MONO_DATA_SIZE;
} else if (cfg.channel_count == 2) {
cfg.channel_count = AUDREC_CMD_MODE_STEREO;
audio->buffer_size = STEREO_DATA_SIZE;
} else {
rc = -EINVAL;
break;
}
audio->samp_rate = cfg.sample_rate;
audio->channel_mode = cfg.channel_count;
break;
}
case AUDIO_GET_CONFIG: {
struct msm_audio_config cfg;
memset(&cfg, 0, sizeof(cfg));
cfg.buffer_size = audio->buffer_size;
cfg.buffer_count = FRAME_NUM;
cfg.sample_rate = audio->samp_rate;
if (audio->channel_mode == AUDREC_CMD_MODE_MONO)
cfg.channel_count = 1;
else
cfg.channel_count = 2;
if (copy_to_user((void *) arg, &cfg, sizeof(cfg)))
rc = -EFAULT;
break;
}
case AUDIO_SET_INCALL: {
struct msm_voicerec_mode cfg;
unsigned long flags;
MM_DBG("AUDIO_SET_INCALL\n");
if (copy_from_user(&cfg, (void *) arg, sizeof(cfg))) {
rc = -EFAULT;
break;
}
if (cfg.rec_mode != VOC_REC_BOTH &&
cfg.rec_mode != VOC_REC_UPLINK &&
cfg.rec_mode != VOC_REC_DOWNLINK) {
MM_ERR("invalid rec_mode\n");
rc = -EINVAL;
break;
} else {
spin_lock_irqsave(&audio->dev_lock, flags);
if (cfg.rec_mode == VOC_REC_UPLINK)
audio->source = VOICE_UL_SOURCE_MIX_MASK;
else if (cfg.rec_mode == VOC_REC_DOWNLINK)
audio->source = VOICE_DL_SOURCE_MIX_MASK;
else
audio->source = VOICE_DL_SOURCE_MIX_MASK |
VOICE_UL_SOURCE_MIX_MASK ;
audio->in_call = 1;
spin_unlock_irqrestore(&audio->dev_lock, flags);
}
break;
}
case AUDIO_GET_SESSION_ID: {
if (copy_to_user((void *) arg, &audio->enc_id,
sizeof(unsigned short))) {
rc = -EFAULT;
}
break;
}
default:
rc = -EINVAL;
}
if(rc != 0) MM_DBG("returning error %d\n",rc);
mutex_unlock(&audio->lock);
return rc;
}
