static enum hrtimer_restart afe_hrtimer_callback(struct hrtimer *hrt)
{
struct pcm_afe_info *prtd =
container_of(hrt, struct pcm_afe_info, hrt);
struct snd_pcm_substream *substream = prtd->substream;
struct snd_pcm_runtime *runtime = substream->runtime;
u32 mem_map_handle = 0;
mem_map_handle = afe_req_mmap_handle(prtd->audio_client);
if (!mem_map_handle)
pr_err("%s: mem_map_handle is NULL\n", __func__);
if (prtd->start) {
pr_debug("sending frame to DSP: poll_time: %d\n",
prtd->poll_time);
if (prtd->dsp_cnt == runtime->periods)
prtd->dsp_cnt = 0;
pr_debug("%s: mem_map_handle 0x%x\n", __func__, mem_map_handle);
afe_rt_proxy_port_write(
(prtd->dma_addr +
(prtd->dsp_cnt *
snd_pcm_lib_period_bytes(prtd->substream))), mem_map_handle,
snd_pcm_lib_period_bytes(prtd->substream));
prtd->dsp_cnt++;
hrtimer_forward_now(hrt, ns_to_ktime(prtd->poll_time
* 1000));
return HRTIMER_RESTART;
} else
return HRTIMER_NORESTART;
}
static int msm_afe_close(struct snd_pcm_substream *substream)
{
int rc = 0;
struct snd_dma_buffer *dma_buf;
struct snd_pcm_runtime *runtime;
struct pcm_afe_info *prtd;
struct snd_soc_pcm_runtime *rtd = NULL;
struct snd_soc_dai *dai = NULL;
int dir = IN;
int ret = 0;
pr_debug("%s\n", __func__);
if (substream == NULL) {
pr_err("substream is NULL\n");
return -EINVAL;
}
rtd = substream->private_data;
dai = rtd->cpu_dai;
runtime = substream->runtime;
prtd = runtime->private_data;
mutex_lock(&prtd->lock);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
dir = IN;
ret = afe_unregister_get_events(dai->id);
if (ret < 0)
pr_err("AFE unregister for events failed\n");
} else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
dir = OUT;
ret = afe_unregister_get_events(dai->id);
if (ret < 0)
pr_err("AFE unregister for events failed\n");
}
hrtimer_cancel(&prtd->hrt);
rc = afe_cmd_memory_unmap(afe_req_mmap_handle(prtd->audio_client));
if (rc < 0)
pr_err("AFE memory unmap failed\n");
pr_debug("release all buffer\n");
dma_buf = &substream->dma_buffer;
if (dma_buf == NULL) {
pr_debug("dma_buf is NULL\n");
goto done;
}
if (dma_buf->area)
dma_buf->area = NULL;
q6afe_audio_client_buf_free_contiguous(dir, prtd->audio_client);
done:
pr_debug("%s: dai->id =%x\n", __func__, dai->id);
q6afe_audio_client_free(prtd->audio_client);
mutex_unlock(&prtd->lock);
prtd->prepared--;
kfree(prtd);
runtime->private_data = NULL;
return 0;
}
