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Diffstat (limited to 'sound/pci/emu10k1/irq.c')
-rw-r--r--sound/pci/emu10k1/irq.c81
1 files changed, 22 insertions, 59 deletions
diff --git a/sound/pci/emu10k1/irq.c b/sound/pci/emu10k1/irq.c
index ebb2275efb6c..71aa90b9cc88 100644
--- a/sound/pci/emu10k1/irq.c
+++ b/sound/pci/emu10k1/irq.c
@@ -3,12 +3,6 @@
* Copyright (c) by Jaroslav Kysela <perex@perex.cz>
* Creative Labs, Inc.
* Routines for IRQ control of EMU10K1 chips
- *
- * BUGS:
- * --
- *
- * TODO:
- * --
*/
#include <linux/time.h>
@@ -18,19 +12,22 @@
irqreturn_t snd_emu10k1_interrupt(int irq, void *dev_id)
{
struct snd_emu10k1 *emu = dev_id;
- unsigned int status, status2, orig_status, orig_status2;
+ unsigned int status, orig_status;
int handled = 0;
int timeout = 0;
- while (((status = inl(emu->port + IPR)) != 0) && (timeout < 1000)) {
- timeout++;
- orig_status = status;
+ while ((status = inl(emu->port + IPR)) != 0) {
handled = 1;
if ((status & 0xffffffff) == 0xffffffff) {
dev_info(emu->card->dev,
"Suspected sound card removal\n");
break;
}
+ if (++timeout == 1000) {
+ dev_info(emu->card->dev, "emu10k1 irq routine failure\n");
+ break;
+ }
+ orig_status = status;
if (status & IPR_PCIERROR) {
dev_err(emu->card->dev, "interrupt: PCI error\n");
snd_emu10k1_intr_disable(emu, INTE_PCIERRORENABLE);
@@ -44,12 +41,13 @@ irqreturn_t snd_emu10k1_interrupt(int irq, void *dev_id)
status &= ~(IPR_VOLINCR|IPR_VOLDECR|IPR_MUTE);
}
if (status & IPR_CHANNELLOOP) {
+ struct snd_emu10k1_voice *pvoice;
int voice;
int voice_max = status & IPR_CHANNELNUMBERMASK;
u32 val;
- struct snd_emu10k1_voice *pvoice = emu->voices;
val = snd_emu10k1_ptr_read(emu, CLIPL, 0);
+ pvoice = emu->voices;
for (voice = 0; voice <= voice_max; voice++) {
if (voice == 0x20)
val = snd_emu10k1_ptr_read(emu, CLIPH, 0);
@@ -65,6 +63,7 @@ irqreturn_t snd_emu10k1_interrupt(int irq, void *dev_id)
pvoice++;
}
val = snd_emu10k1_ptr_read(emu, HLIPL, 0);
+ pvoice = emu->voices;
for (voice = 0; voice <= voice_max; voice++) {
if (voice == 0x20)
val = snd_emu10k1_ptr_read(emu, HLIPH, 0);
@@ -79,9 +78,8 @@ irqreturn_t snd_emu10k1_interrupt(int irq, void *dev_id)
val >>= 1;
pvoice++;
}
- status &= ~IPR_CHANNELLOOP;
+ status &= ~(IPR_CHANNELLOOP | IPR_CHANNELNUMBERMASK);
}
- status &= ~IPR_CHANNELNUMBERMASK;
if (status & (IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL)) {
if (emu->capture_interrupt)
emu->capture_interrupt(emu, status);
@@ -139,61 +137,26 @@ irqreturn_t snd_emu10k1_interrupt(int irq, void *dev_id)
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);
-
- /* dev_dbg(emu->card->dev, "status2=0x%x\n", status2); */
- orig_status2 = status2;
- if(status2 & mask) {
- if(pvoice->use) {
- snd_pcm_period_elapsed(pvoice->epcm->substream);
- } else {
- dev_err(emu->card->dev,
- "p16v: status: 0x%08x, mask=0x%08x, pvoice=%p, use=%d\n",
- status2, mask, pvoice,
- pvoice->use);
- }
- }
- if(status2 & 0x110000) {
- /* dev_info(emu->card->dev, "capture int found\n"); */
- if(cvoice->use) {
- /* dev_info(emu->card->dev, "capture period_elapsed\n"); */
- snd_pcm_period_elapsed(cvoice->epcm->substream);
- }
- }
- outl(orig_status2, emu->port + IPR2); /* ack all */
- }
+ if (emu->p16v_interrupt)
+ emu->p16v_interrupt(emu);
+ else
+ outl(0, emu->port + INTE2);
status &= ~IPR_P16V;
}
+ if (status & IPR_A_GPIO) {
+ if (emu->gpio_interrupt)
+ emu->gpio_interrupt(emu);
+ else
+ snd_emu10k1_intr_disable(emu, INTE_A_GPIOENABLE);
+ status &= ~IPR_A_GPIO;
+ }
if (status) {
- unsigned int bits;
dev_err(emu->card->dev,
"unhandled interrupt: 0x%08x\n", status);
- //make sure any interrupts we don't handle are disabled:
- bits = INTE_FXDSPENABLE |
- INTE_PCIERRORENABLE |
- INTE_VOLINCRENABLE |
- INTE_VOLDECRENABLE |
- INTE_MUTEENABLE |
- INTE_MICBUFENABLE |
- INTE_ADCBUFENABLE |
- INTE_EFXBUFENABLE |
- INTE_GPSPDIFENABLE |
- INTE_CDSPDIFENABLE |
- INTE_INTERVALTIMERENB |
- INTE_MIDITXENABLE |
- INTE_MIDIRXENABLE;
- if (emu->audigy)
- bits |= INTE_A_MIDITXENABLE2 | INTE_A_MIDIRXENABLE2;
- snd_emu10k1_intr_disable(emu, bits);
}
outl(orig_status, emu->port + IPR); /* ack all */
}
- if (timeout == 1000)
- dev_info(emu->card->dev, "emu10k1 irq routine failure\n");
return IRQ_RETVAL(handled);
}