static int msm_pcm_playback_close(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct msm_audio *prtd = runtime->private_data;
alsa_audio_disable(prtd);
audmgr_close(&prtd->audmgr);
kfree(prtd);
return 0;
}
static int msm_pcm_capture_close(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct msm_audio *prtd = runtime->private_data;
alsa_audrec_disable(prtd);
audmgr_close(&prtd->audmgr);
msm_adsp_put(prtd->audrec);
msm_adsp_put(prtd->audpre);
kfree(prtd);
return 0;
}
static int msm_pcm_playback_close(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct msm_audio *prtd = runtime->private_data;
int rc = 0;
pr_debug("%s()\n", __func__);
/* pcm dmamiss message is sent continously
* when decoder is starved so no race
* condition concern
*/
if (prtd->enabled)
rc = wait_event_interruptible(the_locks.eos_wait,
prtd->eos_ack);
alsa_audio_disable(prtd);
audmgr_close(&prtd->audmgr);
kfree(prtd);
return 0;
}
int audio_adsp_configure(struct msm_audio *prtd)
{
int ret, i;
if (prtd->dir == SNDRV_PCM_STREAM_PLAYBACK) {
prtd->data = prtd->playback_substream->dma_buffer.area;
prtd->phys = prtd->playback_substream->dma_buffer.addr;
}
if (prtd->dir == SNDRV_PCM_STREAM_CAPTURE) {
prtd->data = prtd->capture_substream->dma_buffer.area;
prtd->phys = prtd->capture_substream->dma_buffer.addr;
}
if (!prtd->data) {
ret = -ENOMEM;
goto err1;
}
ret = audmgr_open(&prtd->audmgr);
if (ret)
goto err2;
if (prtd->dir == SNDRV_PCM_STREAM_PLAYBACK) {
prtd->out_buffer_size = PLAYBACK_DMASZ;
prtd->out_sample_rate = 44100;
prtd->out_channel_mode = AUDPP_CMD_PCM_INTF_STEREO_V;
prtd->out_weight = 100;
prtd->out[0].data = prtd->data + 0;
prtd->out[0].addr = prtd->phys + 0;
prtd->out[0].size = BUFSZ;
prtd->out[1].data = prtd->data + BUFSZ;
prtd->out[1].addr = prtd->phys + BUFSZ;
prtd->out[1].size = BUFSZ;
}
if (prtd->dir == SNDRV_PCM_STREAM_CAPTURE) {
prtd->samp_rate = RPC_AUD_DEF_SAMPLE_RATE_44100;
prtd->samp_rate_index = AUDREC_CMD_SAMP_RATE_INDX_44100;
prtd->channel_mode = AUDREC_CMD_STEREO_MODE_STEREO;
prtd->buffer_size = STEREO_DATA_SIZE;
prtd->type = AUDREC_CMD_TYPE_0_INDEX_WAV;
prtd->tx_agc_cfg.cmd_id = AUDPREPROC_CMD_CFG_AGC_PARAMS;
prtd->ns_cfg.cmd_id = AUDPREPROC_CMD_CFG_NS_PARAMS;
prtd->iir_cfg.cmd_id =
AUDPREPROC_CMD_CFG_IIR_TUNING_FILTER_PARAMS;
ret = msm_adsp_get("AUDPREPROCTASK",
&prtd->audpre, &aud_pre_adsp_ops, prtd);
if (ret)
goto err3;
ret = msm_adsp_get("AUDRECTASK",
&prtd->audrec, &aud_rec_adsp_ops, prtd);
if (ret) {
msm_adsp_put(prtd->audpre);
goto err3;
}
prtd->dsp_cnt = 0;
prtd->in_head = 0;
prtd->in_tail = 0;
prtd->in_count = 0;
for (i = 0; i < FRAME_NUM; i++) {
prtd->in[i].size = 0;
prtd->in[i].read = 0;
}
}
return 0;
err3:
audmgr_close(&prtd->audmgr);
err2:
prtd->data = NULL;
err1:
return ret;
}