static int msm_afe_mmap(struct snd_pcm_substream *substream,
struct vm_area_struct *vma)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct pcm_afe_info *prtd = runtime->private_data;
struct afe_audio_client *ac = prtd->audio_client;
struct afe_audio_port_data *apd = ac->port;
struct afe_audio_buffer *ab;
int dir = -1;
pr_debug("%s\n", __func__);
prtd->mmap_flag = 1;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
dir = IN;
else
dir = OUT;
ab = &(apd[dir].buf[0]);
return msm_audio_ion_mmap((struct audio_buffer *)ab, vma);
}
uint32_t q6usm_get_virtual_address(int dir,
struct us_client *usc,
struct vm_area_struct *vms)
{
uint32_t ret = 0xffffffff;
if (vms && (usc != NULL) && ((dir == IN) || (dir == OUT))) {
struct us_port_data *port = &usc->port[dir];
int size = PAGE_ALIGN(port->buf_size * port->buf_cnt);
struct audio_buffer ab;
ab.phys = port->phys;
ab.data = port->data;
ab.used = 1;
ab.size = size;
ab.actual_size = size;
ab.handle = port->handle;
ab.client = port->client;
ret = msm_audio_ion_mmap(&ab, vms);
}
return ret;
}
