static int aml_pcm_trigger(struct snd_pcm_substream *substream,
int cmd)
{
struct snd_pcm_runtime *rtd = substream->runtime;
struct aml_runtime_data *prtd = rtd->private_data;
audio_stream_t *s = &prtd->s;
int ret = 0;
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
#if MESON_CPU_TYPE >= MESON_CPU_TYPE_MESON6
//witch_mod_gate_by_type(MOD_AUDIO, 1);
#endif
#if USE_HRTIMER == 0
del_timer_sync(&prtd->timer);
#endif
spin_lock(&s->lock);
#if USE_HRTIMER == 0
prtd->timer.expires = jiffies + 1;
del_timer(&prtd->timer);
add_timer(&prtd->timer);
#endif
// TODO
if(substream->stream == SNDRV_PCM_STREAM_PLAYBACK){
//printk("aml_pcm_trigger: playback start\n");
//clock_gating_status |= clock_gating_playback;
//aml_clock_gating(clock_gating_status);
//codec_power_switch(substream, clock_gating_status);
audio_enable_ouput(1);
}else{
//printk("aml_pcm_trigger: capture start\n");
//clock_gating_status |= clock_gating_capture;
//aml_clock_gating(clock_gating_status);
//codec_power_switch(substream, clock_gating_status);
audio_in_i2s_enable(1);
{
int * ppp = (int*)(rtd->dma_area+rtd->dma_bytes*2-8);
ppp[0] = 0x78787878;
ppp[1] = 0x78787878;
}
}
s->active = 1;
s->xrun_num = 0;
spin_unlock(&s->lock);
break; /* SNDRV_PCM_TRIGGER_START */
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
case SNDRV_PCM_TRIGGER_STOP:
// TODO
spin_lock(&s->lock);
s->active = 0;
s->xrun_num = 0;
if(substream->stream == SNDRV_PCM_STREAM_PLAYBACK){
//printk("aml_pcm_trigger: playback stop\n");
audio_enable_ouput(0);
// clock_gating_status &= ~clock_gating_playback;
//aml_clock_gating(clock_gating_status);
//codec_power_switch(substream, clock_gating_status);
}else{
//printk("aml_pcm_trigger: capture stop\n");
// clock_gating_status &= ~clock_gating_capture;
audio_in_i2s_enable(0);
}
#if MESON_CPU_TYPE >= MESON_CPU_TYPE_MESON6
// switch_mod_gate_by_type(MOD_AUDIO, 0);
#endif
spin_unlock(&s->lock);
break;
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
// TODO
spin_lock(&s->lock);
#if MESON_CPU_TYPE >= MESON_CPU_TYPE_MESON6
//switch_mod_gate_by_type(MOD_AUDIO, 1);
#endif
s->active = 1;
s->xrun_num = 0;
if(substream->stream == SNDRV_PCM_STREAM_PLAYBACK){
//printk("aml_pcm_trigger: playback resume\n");
audio_enable_ouput(1);
// clock_gating_status |= clock_gating_playback;
//aml_clock_gating(clock_gating_status);
//codec_power_switch(substream, clock_gating_status);
}else{
//printk("aml_pcm_trigger: capture resume\n");
audio_in_i2s_enable(1);
// clock_gating_status |= clock_gating_capture;
//aml_clock_gating(clock_gating_status);
//codec_power_switch(substream, clock_gating_status);
{
int * ppp = (int*)(rtd->dma_area+rtd->dma_bytes*2-8);
ppp[0] = 0x78787878;
ppp[1] = 0x78787878;
}
}
spin_unlock(&s->lock);
break;
default:
ret = -EINVAL;
}
/* if(clock_gating_status&clock_gating_playback){
if(substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
aml_pcm_work.substream = substream;
}
else
aml_pcm_work.substream = substream;
if(clock_gating_status)
{
schedule_work(&aml_pcm_work.aml_codec_workqueue);
}
*/
//schedule_work(&aml_pcm_work.aml_codec_workqueue);
return ret;
}
static int aml_pcm_trigger(struct snd_pcm_substream *substream,
int cmd)
{
struct snd_pcm_runtime *rtd = substream->runtime;
struct aml_runtime_data *prtd = rtd->private_data;
audio_stream_t *s = &prtd->s;
int ret = 0;
spin_lock(&s->lock);
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
del_timer_sync(&prtd->timer);
prtd->timer.expires = jiffies + 1;
del_timer(&prtd->timer);
add_timer(&prtd->timer);
// TODO
if(substream->stream == SNDRV_PCM_STREAM_PLAYBACK){
// printk("aml_pcm_trigger: playback start\n");
#if defined(CONFIG_SND_AML_M3)
clock_gating_status |= clock_gating_playback;
aml_clock_gating(clock_gating_status);
#endif
audio_enable_ouput(1);
}else{
// printk("aml_pcm_trigger: capture start\n");
#if defined(CONFIG_SND_AML_M3)
clock_gating_status |= clock_gating_capture;
aml_clock_gating(clock_gating_status);
#endif
audio_in_i2s_enable(1);
{
int * ppp = (int*)(rtd->dma_area+rtd->dma_bytes*2-8);
ppp[0] = 0x78787878;
ppp[1] = 0x78787878;
}
}
s->active = 1;
break; /* SNDRV_PCM_TRIGGER_START */
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
case SNDRV_PCM_TRIGGER_STOP:
// TODO
s->active = 0;
if(substream->stream == SNDRV_PCM_STREAM_PLAYBACK){
// printk("aml_pcm_trigger: playback stop\n");
audio_enable_ouput(0);
#if defined(CONFIG_SND_AML_M3)
clock_gating_status &= clock_gating_capture;
aml_clock_gating(clock_gating_status);
#endif
}else{
// printk("aml_pcm_trigger: capture stop\n");
audio_in_i2s_enable(0);
#if defined(CONFIG_SND_AML_M3)
clock_gating_status &= clock_gating_playback;
//aml_clock_gating(clock_gating_status);
#endif
}
break;
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
// TODO
s->active = 1;
if(substream->stream == SNDRV_PCM_STREAM_PLAYBACK){
// printk("aml_pcm_trigger: playback resume\n");
audio_enable_ouput(1);
#if defined(CONFIG_SND_AML_M3)
clock_gating_status |= clock_gating_playback;
aml_clock_gating(clock_gating_status);
#endif
}else{
// printk("aml_pcm_trigger: capture resume\n");
audio_in_i2s_enable(1);
#if defined(CONFIG_SND_AML_M3)
clock_gating_status |= clock_gating_capture;
aml_clock_gating(clock_gating_status);
#endif
{
int * ppp = (int*)(rtd->dma_area+rtd->dma_bytes*2-8);
ppp[0] = 0x78787878;
ppp[1] = 0x78787878;
}
}
break;
default:
ret = -EINVAL;
}
spin_unlock(&s->lock);
return ret;
}
