irqreturn_t snd_emu10k1_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
- emu10k1_t *emu = dev_id;
- unsigned int status, orig_status;
+ struct snd_emu10k1 *emu = dev_id;
+ unsigned int status, status2, orig_status, orig_status2;
int handled = 0;
while ((status = inl(emu->port + IPR)) != 0) {
- // printk("irq - status = 0x%x\n", status);
+ //printk("emu10k1 irq - status = 0x%x\n", status);
orig_status = status;
handled = 1;
if (status & IPR_PCIERROR) {
- snd_printk("interrupt: PCI error\n");
+ snd_printk(KERN_ERR "interrupt: PCI error\n");
snd_emu10k1_intr_disable(emu, INTE_PCIERRORENABLE);
status &= ~IPR_PCIERROR;
}
int voice;
int voice_max = status & IPR_CHANNELNUMBERMASK;
u32 val;
- emu10k1_voice_t *pvoice = emu->voices;
+ struct snd_emu10k1_voice *pvoice = emu->voices;
val = snd_emu10k1_ptr_read(emu, CLIPL, 0);
for (voice = 0; voice <= voice_max; voice++) {
val >>= 1;
pvoice++;
}
+ val = snd_emu10k1_ptr_read(emu, HLIPL, 0);
+ for (voice = 0; voice <= voice_max; voice++) {
+ if (voice == 0x20)
+ val = snd_emu10k1_ptr_read(emu, HLIPH, 0);
+ if (val & 1) {
+ if (pvoice->use && pvoice->interrupt != NULL) {
+ pvoice->interrupt(emu, pvoice);
+ snd_emu10k1_voice_half_loop_intr_ack(emu, voice);
+ } else {
+ snd_emu10k1_voice_half_loop_intr_disable(emu, voice);
+ }
+ }
+ val >>= 1;
+ pvoice++;
+ }
status &= ~IPR_CHANNELLOOP;
}
status &= ~IPR_CHANNELNUMBERMASK;
snd_emu10k1_intr_disable(emu, INTE_FXDSPENABLE);
status &= ~IPR_FXDSP;
}
+ if (status & IPR_P16V) {
+ while ((status2 = inl(emu->port + IPR2)) != 0) {
+ u32 mask = INTE2_PLAYBACK_CH_0_LOOP; /* Full Loop */
+ struct snd_emu10k1_voice *pvoice = &(emu->p16v_voices[0]);
+ struct snd_emu10k1_voice *cvoice = &(emu->p16v_capture_voice);
+
+ //printk(KERN_INFO "status2=0x%x\n", status2);
+ orig_status2 = status2;
+ if(status2 & mask) {
+ if(pvoice->use) {
+ snd_pcm_period_elapsed(pvoice->epcm->substream);
+ } else {
+ snd_printk(KERN_ERR "p16v: status: 0x%08x, mask=0x%08x, pvoice=%p, use=%d\n", status2, mask, pvoice, pvoice->use);
+ }
+ }
+ if(status2 & 0x110000) {
+ //printk(KERN_INFO "capture int found\n");
+ if(cvoice->use) {
+ //printk(KERN_INFO "capture period_elapsed\n");
+ snd_pcm_period_elapsed(cvoice->epcm->substream);
+ }
+ }
+ outl(orig_status2, emu->port + IPR2); /* ack all */
+ }
+ status &= ~IPR_P16V;
+ }
+
if (status) {
unsigned int bits;
snd_printk(KERN_ERR "emu10k1: unhandled interrupt: 0x%08x\n", status);