static void ad1889_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
u32 stat;
ad1889_dev_t *dev = (ad1889_dev_t *)dev_id;
stat = AD1889_READL(dev, AD_DMADISR);
/* clear ISR */
AD1889_WRITEL(dev, AD_DMADISR, stat);
if (stat & 0x8) { /* WAVI */
DBG("WAV interrupt\n");
dev->stats.wav_intrs++;
if (dev->state[AD_WAV_STATE].dmabuf.ready) {
ad1889_stop_wav(&dev->state[AD_WAV_STATE]); /* clean up */
ad1889_start_wav(&dev->state[AD_WAV_STATE]); /* start new */
}
}
if (stat & 0x2 && dev->state[AD_ADC_STATE].dmabuf.ready) { /* ADCI */
DBG("ADC interrupt\n");
dev->stats.adc_intrs++;
}
}
static irqreturn_t ad1889_interrupt(int irq, void *dev_id)
{
u32 stat;
ad1889_dev_t *dev = (ad1889_dev_t *)dev_id;
stat = AD1889_READL(dev, AD_DMA_DISR);
/* clear ISR */
AD1889_WRITEL(dev, AD_DMA_DISR, stat);
if (stat & 0x8) { /* WAVI */
DBG("WAV interrupt\n");
dev->stats.wav_intrs++;
if (dev->state[AD_WAV_STATE].dmabuf.ready) {
ad1889_stop_wav(&dev->state[AD_WAV_STATE]); /* clean up */
ad1889_start_wav(&dev->state[AD_WAV_STATE]); /* start new */
}
}
if ((stat & 0x2) && dev->state[AD_ADC_STATE].dmabuf.ready) { /* ADCI */
DBG("ADC interrupt\n");
dev->stats.adc_intrs++;
}
if(stat)
return IRQ_HANDLED;
return IRQ_NONE;
}
static inline void ad1889_trigger_playback(ad1889_dev_t *dev)
{
#if 0
u32 val;
struct dmabuf *dmabuf = &dev->state[AD_WAV_STATE].dmabuf;
#endif
ad1889_start_wav(&dev->state[AD_WAV_STATE]);
}
