/* trigger callback */
static int snd_vortex_pcm_trigger(snd_pcm_substream_t * substream, int cmd)
{
chip_t *chip = snd_pcm_substream_chip(substream);
stream_t *stream = (stream_t *) substream->runtime->private_data;
int dma = stream->dma;
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
// do something to start the PCM engine
//printk(KERN_INFO "vortex: start %d\n", dma);
stream->fifo_enabled = 1;
if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT)
vortex_adbdma_startfifo(chip, dma);
#ifndef CHIP_AU8810
else {
printk(KERN_INFO "vortex: wt start %d\n", dma);
vortex_wtdma_startfifo(chip, dma);
}
#endif
break;
case SNDRV_PCM_TRIGGER_STOP:
// do something to stop the PCM engine
//printk(KERN_INFO "vortex: stop %d\n", dma);
stream->fifo_enabled = 0;
if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT)
vortex_adbdma_pausefifo(chip, dma);
//vortex_adbdma_stopfifo(chip, dma);
#ifndef CHIP_AU8810
else {
printk(KERN_INFO "vortex: wt stop %d\n", dma);
vortex_wtdma_stopfifo(chip, dma);
}
#endif
break;
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
//printk(KERN_INFO "vortex: pause %d\n", dma);
if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT)
vortex_adbdma_pausefifo(chip, dma);
#ifndef CHIP_AU8810
else
vortex_wtdma_pausefifo(chip, dma);
#endif
break;
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
//printk(KERN_INFO "vortex: resume %d\n", dma);
if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT)
vortex_adbdma_resumefifo(chip, dma);
#ifndef CHIP_AU8810
else
vortex_wtdma_resumefifo(chip, dma);
#endif
break;
default:
return -EINVAL;
}
return 0;
}
/* trigger callback */
static int snd_vortex_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
{
vortex_t *chip = snd_pcm_substream_chip(substream);
stream_t *stream = (stream_t *) substream->runtime->private_data;
int dma = stream->dma;
spin_lock(&chip->lock);
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
// do something to start the PCM engine
;
stream->fifo_enabled = 1;
if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT) {
vortex_adbdma_resetup(chip, dma);
vortex_adbdma_startfifo(chip, dma);
}
#ifndef CHIP_AU8810
else {
;
vortex_wtdma_startfifo(chip, dma);
}
#endif
break;
case SNDRV_PCM_TRIGGER_STOP:
// do something to stop the PCM engine
;
stream->fifo_enabled = 0;
if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT)
vortex_adbdma_pausefifo(chip, dma);
//vortex_adbdma_stopfifo(chip, dma);
#ifndef CHIP_AU8810
else {
;
vortex_wtdma_stopfifo(chip, dma);
}
#endif
break;
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
;
if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT)
vortex_adbdma_pausefifo(chip, dma);
#ifndef CHIP_AU8810
else
vortex_wtdma_pausefifo(chip, dma);
#endif
break;
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
;
if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT)
vortex_adbdma_resumefifo(chip, dma);
#ifndef CHIP_AU8810
else
vortex_wtdma_resumefifo(chip, dma);
#endif
break;
default:
spin_unlock(&chip->lock);
return -EINVAL;
}
spin_unlock(&chip->lock);
return 0;
}