static int audamrnb_in_release(struct inode *inode, struct file *file)
{
struct audio_in *audio = file->private_data;
MM_DBG("\n");
mutex_lock(&audio->lock);
audio->in_call = 0;
/* with draw frequency for session
incase not stopped the driver */
msm_snddev_withdraw_freq(audio->enc_id, SNDDEV_CAP_TX,
AUDDEV_CLNT_ENC);
auddev_unregister_evt_listner(AUDDEV_CLNT_ENC, audio->enc_id);
audamrnb_in_disable(audio);
audamrnb_in_flush(audio);
msm_adsp_put(audio->audrec);
audpreproc_aenc_free(audio->enc_id);
audio->audrec = NULL;
audio->opened = 0;
if (audio->data) {
iounmap(audio->data);
pmem_kfree(audio->phys);
audio->data = NULL;
}
mutex_unlock(&audio->lock);
return 0;
}
static int audamrnb_in_release(struct inode *inode, struct file *file)
{
struct audio_in *audio = file->private_data;
MM_DBG("\n");
mutex_lock(&audio->lock);
audio->in_call = 0;
/* with draw frequency for session
incase not stopped the driver */
msm_snddev_withdraw_freq(audio->enc_id, SNDDEV_CAP_TX,
AUDDEV_CLNT_ENC);
auddev_unregister_evt_listner(AUDDEV_CLNT_ENC, audio->enc_id);
/*reset the sampling frequency information at audpreproc layer*/
audio->session_info.sampling_freq = 0;
audpreproc_update_audrec_info(&audio->session_info);
audamrnb_in_disable(audio);
audamrnb_in_flush(audio);
msm_adsp_put(audio->audrec);
audpreproc_aenc_free(audio->enc_id);
audio->audrec = NULL;
audio->opened = 0;
if (audio->data) {
ion_unmap_kernel(audio->client, audio->buff_handle);
ion_free(audio->client, audio->buff_handle);
ion_client_destroy(audio->client);
audio->data = NULL;
}
mutex_unlock(&audio->lock);
return 0;
}
static int audamrnb_in_release(struct inode *inode, struct file *file)
{
struct audio_in *audio = file->private_data;
MM_DBG("\n");
mutex_lock(&audio->lock);
audio->in_call = 0;
msm_snddev_withdraw_freq(audio->enc_id, SNDDEV_CAP_TX,
AUDDEV_CLNT_ENC);
auddev_unregister_evt_listner(AUDDEV_CLNT_ENC, audio->enc_id);
audamrnb_in_disable(audio);
audamrnb_in_flush(audio);
msm_adsp_put(audio->audrec);
audpreproc_aenc_free(audio->enc_id);
audio->audrec = NULL;
audio->opened = 0;
mutex_unlock(&audio->lock);
return 0;
}
/* ------------------- device --------------------- */
static long audamrnb_in_ioctl(struct file *file,
unsigned int cmd, unsigned long arg)
{
struct audio_in *audio = file->private_data;
int rc = 0;
if (cmd == 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)))
return -EFAULT;
return rc;
}
mutex_lock(&audio->lock);
switch (cmd) {
case AUDIO_START: {
uint32_t freq;
freq = 48000;
MM_DBG("AUDIO_START\n");
if (audio->in_call && (audio->voice_state !=
VOICE_STATE_INCALL)) {
rc = -EPERM;
break;
}
rc = msm_snddev_request_freq(&freq, audio->enc_id,
SNDDEV_CAP_TX, AUDDEV_CLNT_ENC);
MM_DBG("sample rate configured %d\n", freq);
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;
}
rc = audamrnb_in_enable(audio);
if (!rc) {
rc =
wait_event_interruptible_timeout(audio->wait_enable,
audio->running != 0, 1*HZ);
MM_DBG("state %d rc = %d\n", audio->running, rc);
if (audio->running == 0)
rc = -ENODEV;
else
rc = 0;
}
audio->stopped = 0;
break;
}
case AUDIO_STOP: {
rc = audamrnb_in_disable(audio);
rc = msm_snddev_withdraw_freq(audio->enc_id,
SNDDEV_CAP_TX, AUDDEV_CLNT_ENC);
MM_DBG("msm_snddev_withdraw_freq\n");
audio->stopped = 1;
break;
}
case AUDIO_FLUSH: {
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);
mutex_lock(&audio->read_lock);
audamrnb_in_flush(audio);
mutex_unlock(&audio->read_lock);
}
break;
}
case AUDIO_SET_STREAM_CONFIG: {
struct msm_audio_stream_config cfg;
if (copy_from_user(&cfg, (void *) arg, sizeof(cfg))) {
rc = -EFAULT;
break;
}
/* Allow only single frame */
if (cfg.buffer_size != (FRAME_SIZE - 8))
rc = -EINVAL;
else
audio->buffer_size = cfg.buffer_size;
break;
}
case AUDIO_GET_STREAM_CONFIG: {
struct msm_audio_stream_config cfg;
memset(&cfg, 0, sizeof(cfg));
cfg.buffer_size = audio->buffer_size;
cfg.buffer_count = FRAME_NUM;
if (copy_to_user((void *) arg, &cfg, sizeof(cfg)))
rc = -EFAULT;
break;
}
case AUDIO_GET_AMRNB_ENC_CONFIG_V2: {
struct msm_audio_amrnb_enc_config_v2 cfg;
memset(&cfg, 0, sizeof(cfg));
cfg.dtx_enable = ((audio->dtx_mode == -1) ? 1 : 0);
cfg.band_mode = audio->used_mode;
cfg.frame_format = audio->frame_format;
if (copy_to_user((void *) arg, &cfg, sizeof(cfg)))
rc = -EFAULT;
break;
}
case AUDIO_SET_AMRNB_ENC_CONFIG_V2: {
struct msm_audio_amrnb_enc_config_v2 cfg;
if (copy_from_user(&cfg, (void *) arg, sizeof(cfg))) {
rc = -EFAULT;
break;
}
/* DSP does not support any other than default format */
if (audio->frame_format != cfg.frame_format) {
rc = -EINVAL;
break;
}
if (cfg.dtx_enable == 0)
audio->dtx_mode = 0;
else if (cfg.dtx_enable == 1)
audio->dtx_mode = -1;
else {
rc = -EINVAL;
break;
}
audio->used_mode = cfg.band_mode;
break;
}
case AUDIO_SET_INCALL: {
struct msm_voicerec_mode cfg;
unsigned long flags;
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;
}
mutex_unlock(&audio->lock);
return rc;
}
/* ------------------- device --------------------- */
static long audamrnb_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) {
audio->stopped = 1;
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.%ldms 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("sample rate configured %d\n", freq);
rc = audamrnb_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 = audamrnb_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: {
MM_DBG("AUDIO_STOP\n");
rc = audamrnb_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);
mutex_lock(&audio->read_lock);
audamrnb_in_flush(audio);
mutex_unlock(&audio->read_lock);
}
break;
}
case AUDIO_SET_STREAM_CONFIG: {
break;
}
case AUDIO_GET_STREAM_CONFIG: {
struct msm_audio_stream_config cfg;
memset(&cfg, 0, sizeof(cfg));
cfg.buffer_size = audio->buffer_size;
cfg.buffer_count = FRAME_NUM;
if (copy_to_user((void *) arg, &cfg, sizeof(cfg)))
rc = -EFAULT;
break;
}
case AUDIO_GET_AMRNB_ENC_CONFIG_V2: {
struct msm_audio_amrnb_enc_config_v2 cfg;
memset(&cfg, 0, sizeof(cfg));
cfg.dtx_enable = ((audio->dtx_mode == AMRNB_DTX_MODE_ENABLE) ? 1 : 0);
cfg.band_mode = audio->used_mode;
if (copy_to_user((void *) arg, &cfg, sizeof(cfg)))
rc = -EFAULT;
break;
}
case AUDIO_SET_AMRNB_ENC_CONFIG_V2: {
struct msm_audio_amrnb_enc_config_v2 cfg;
if (copy_from_user(&cfg, (void *) arg, sizeof(cfg))) {
rc = -EFAULT;
break;
}
audio->dtx_mode = cfg.dtx_enable ? AMRNB_DTX_MODE_ENABLE : AMRNB_DTX_MODE_DISABLE;
audio->used_mode = cfg.band_mode;
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;
}
