static int config(struct pcm *pcm)
{
int ret = 0, i;
struct audio_buffer *buf;
pr_debug("%s\n", __func__);
ret = q6asm_audio_client_buf_alloc_contiguous(OUT,
pcm->ac,
pcm->buffer_size,
pcm->buffer_count);
if (ret < 0) {
pr_err("Audio Start: Buffer Allocation failed rc = %d\n", ret);
return -ENOMEM;
}
buf = pcm->ac->port[OUT].buf;
if (buf == NULL || buf[0].data == NULL)
return -ENOMEM;
memset(buf[0].data, 0, pcm->buffer_size * pcm->buffer_count);
pcm->dma_addr = (u32) buf[0].phys;
pcm->dma_virt = (u32) buf[0].data;
for (i = 0; i < pcm->buffer_count; i++) {
pcm->dma_buf[i].addr = (u32) (buf[i].phys);
pcm->dma_buf[i].v_addr = (u32) (buf[i].data);
pcm->dma_buf[i].used = 0;
}
ret = afe_register_get_events(RT_PROXY_DAI_001_TX,
pcm_afe_callback, pcm);
if (ret < 0) {
pr_err("afe-pcm:register for events failed\n");
return ret;
}
ret = afe_cmd_memory_map(pcm->dma_addr,
pcm->buffer_size * pcm->buffer_count);
if (ret < 0) {
pr_err("fail to map memory to DSP\n");
return ret;
}
pr_debug("%s:success\n", __func__);
return ret;
}
static int msm_afe_capture_prepare(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct pcm_afe_info *prtd = runtime->private_data;
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai *dai = rtd->cpu_dai;
int ret = 0;
pr_debug("%s\n", __func__);
pr_debug("%s: dai->id =%x\n", __func__, dai->id);
ret = afe_register_get_events(dai->id,
pcm_afe_process_rx_pkt, prtd);
if (ret < 0) {
pr_err("afe-pcm:register for events failed\n");
return ret;
}
pr_debug("%s:success\n", __func__);
prtd->prepared++;
return 0;
}
