static long pcm_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
struct pcm *pcm = file->private_data;
struct adsp_open_command rpc;
int rc = 0;
if (cmd == AUDIO_GET_STATS) {
struct msm_audio_stats stats;
memset(&stats, 0, sizeof(stats));
if (copy_to_user((void *) arg, &stats, sizeof(stats)))
return -EFAULT;
return 0;
}
mutex_lock(&pcm->lock);
switch (cmd) {
case AUDIO_START:
memset(&rpc, 0, sizeof(rpc));
rpc.hdr.opcode = ADSP_AUDIO_IOCTL_CMD_OPEN_WRITE;
rpc.stream_context = ADSP_AUDIO_DEVICE_CONTEXT_PLAYBACK;
rpc.device = ADSP_AUDIO_DEVICE_ID_DEFAULT;
rpc.format_block.standard.format = ADSP_AUDIO_FORMAT_PCM;
rpc.format_block.standard.channels = pcm->cfg.channel_count;
rpc.format_block.standard.bits_per_sample = 16;
rpc.format_block.standard.sampling_rate = pcm->cfg.sample_rate;
rpc.format_block.standard.is_signed = 1;
rpc.format_block.standard.is_interleaved = 1;
rpc.buf_max_size = BUFSZ;
q6audio_start(pcm->ac, (void *) &rpc, sizeof(rpc));
break;
case AUDIO_STOP:
break;
case AUDIO_FLUSH:
break;
case AUDIO_SET_CONFIG:
if (copy_from_user(&pcm->cfg, (void *) arg,
sizeof(struct msm_audio_config))) {
rc = -EFAULT;
break;
}
if (pcm->cfg.channel_count < 1 || pcm->cfg.channel_count > 2) {
rc = -EINVAL;
break;
}
break;
case AUDIO_GET_CONFIG:
if (copy_to_user((void *) arg, &pcm->cfg,
sizeof(struct msm_audio_config))) {
rc = -EFAULT;
}
break;
default:
rc = -EINVAL;
}
mutex_unlock(&pcm->lock);
return rc;
}
static long q6_evrc_in_ioctl(struct file *file, unsigned int cmd,
unsigned long arg)
{
struct evrc *evrc = file->private_data;
struct adsp_open_command rpc;
int rc = 0;
if (cmd == AUDIO_GET_STATS) {
struct msm_audio_stats stats;
memset(&stats, 0, sizeof(stats));
if (copy_to_user((void *) arg, &stats, sizeof(stats)))
return -EFAULT;
return 0;
}
mutex_lock(&evrc->lock);
switch (cmd) {
case AUDIO_START:
if (evrc->audio_client) {
rc = -EBUSY;
break;
} else {
evrc->audio_client = q6audio_open(AUDIO_FLAG_READ,
evrc->str_cfg.buffer_size);
if (!evrc->audio_client) {
kfree(evrc);
rc = -ENOMEM;
break;
}
}
tx_clk_freq = 8000;
memset(&rpc, 0, sizeof(rpc));
rpc.format_block.standard.format = ADSP_AUDIO_FORMAT_EVRC_FS;
rpc.format_block.standard.channels = 1;
rpc.format_block.standard.bits_per_sample = 16;
rpc.format_block.standard.sampling_rate = 8000;
rpc.format_block.standard.is_signed = 1;
rpc.format_block.standard.is_interleaved = 0;
rpc.hdr.opcode = ADSP_AUDIO_IOCTL_CMD_OPEN_READ;
rpc.device = ADSP_AUDIO_DEVICE_ID_DEFAULT;
rpc.stream_context = ADSP_AUDIO_DEVICE_CONTEXT_RECORD;
rpc.buf_max_size = evrc->str_cfg.buffer_size;
rpc.config.evrc.min_rate = evrc->cfg.min_bit_rate;
rpc.config.evrc.max_rate = evrc->cfg.max_bit_rate;
q6audio_start(evrc->audio_client, &rpc, sizeof(rpc));
break;
case AUDIO_STOP:
break;
case AUDIO_FLUSH:
break;
case AUDIO_SET_VOLUME:
break;
case AUDIO_GET_STREAM_CONFIG:
if (copy_to_user((void *)arg, &evrc->str_cfg,
sizeof(struct msm_audio_stream_config)))
rc = -EFAULT;
break;
case AUDIO_SET_STREAM_CONFIG:
if (copy_from_user(&evrc->str_cfg, (void *)arg,
sizeof(struct msm_audio_stream_config))) {
rc = -EFAULT;
break;
}
if (evrc->str_cfg.buffer_size < 23) {
pr_err("[%s:%s] Buffer size too small\n", __MM_FILE__,
__func__);
rc = -EINVAL;
break;
}
if (evrc->str_cfg.buffer_count != 2)
pr_info("[%s:%s] Buffer count set to 2\n", __MM_FILE__,
__func__);
break;
case AUDIO_SET_EVRC_ENC_CONFIG:
if (copy_from_user(&evrc->cfg, (void *) arg,
sizeof(struct msm_audio_evrc_enc_config)))
rc = -EFAULT;
if (evrc->cfg.min_bit_rate > 4 || evrc->cfg.min_bit_rate < 1) {
pr_err("[%s:%s] invalid min bitrate\n", __MM_FILE__,
__func__);
rc = -EINVAL;
}
if (evrc->cfg.max_bit_rate > 4 || evrc->cfg.max_bit_rate < 1) {
pr_err("[%s:%s] invalid max bitrate\n", __MM_FILE__,
__func__);
rc = -EINVAL;
}
break;
case AUDIO_GET_EVRC_ENC_CONFIG:
if (copy_to_user((void *) arg, &evrc->cfg,
sizeof(struct msm_audio_evrc_enc_config)))
rc = -EFAULT;
break;
default:
rc = -EINVAL;
}
mutex_unlock(&evrc->lock);
return rc;
}
