snd_printk("interrupt: PCI error\n"); 
snd_printk(KERN_ERR "interrupt: PCI error\n"); 
irqreturn_t snd_emu10k1_interrupt(int irq, void *dev_id, struct pt_regs *regs){	emu10k1_t *emu = dev_id;	unsigned int status, status2, orig_status, orig_status2;	int handled = 0;	while ((status = inl(emu->port + IPR)) != 0) {		//printk("emu10k1 irq - status = 0x%x\n", status);		orig_status = status;		handled = 1;		if (status & IPR_PCIERROR) {			snd_printk("interrupt: PCI error\n");			snd_emu10k1_intr_disable(emu, INTE_PCIERRORENABLE);			status &= ~IPR_PCIERROR;		}		if (status & (IPR_VOLINCR|IPR_VOLDECR|IPR_MUTE)) {			if (emu->hwvol_interrupt)				emu->hwvol_interrupt(emu, status);			else				snd_emu10k1_intr_disable(emu, INTE_VOLINCRENABLE|INTE_VOLDECRENABLE|INTE_MUTEENABLE);			status &= ~(IPR_VOLINCR|IPR_VOLDECR|IPR_MUTE);		}		if (status & IPR_CHANNELLOOP) {			int voice;			int voice_max = status & IPR_CHANNELNUMBERMASK;			u32 val;			emu10k1_voice_t *pvoice = emu->voices;			val = snd_emu10k1_ptr_read(emu, CLIPL, 0);			for (voice = 0; voice <= voice_max; voice++) {				if (voice == 0x20)					val = snd_emu10k1_ptr_read(emu, CLIPH, 0);				if (val & 1) {					if (pvoice->use && pvoice->interrupt != NULL) {						pvoice->interrupt(emu, pvoice);						snd_emu10k1_voice_intr_ack(emu, voice);					} else {						snd_emu10k1_voice_intr_disable(emu, 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;		if (status & (IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL)) {			if (emu->capture_interrupt)				emu->capture_interrupt(emu, status);			else				snd_emu10k1_intr_disable(emu, INTE_ADCBUFENABLE);			status &= ~(IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL);		}		if (status & (IPR_MICBUFFULL|IPR_MICBUFHALFFULL)) {			if (emu->capture_mic_interrupt)				emu->capture_mic_interrupt(emu, status);			else				snd_emu10k1_intr_disable(emu, INTE_MICBUFENABLE);			status &= ~(IPR_MICBUFFULL|IPR_MICBUFHALFFULL);		}		if (status & (IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL)) {			if (emu->capture_efx_interrupt)				emu->capture_efx_interrupt(emu, status);			else				snd_emu10k1_intr_disable(emu, INTE_EFXBUFENABLE);			status &= ~(IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL);		}		if (status & (IPR_MIDITRANSBUFEMPTY|IPR_MIDIRECVBUFEMPTY)) {			if (emu->midi.interrupt)				emu->midi.interrupt(emu, status);			else				snd_emu10k1_intr_disable(emu, INTE_MIDITXENABLE|INTE_MIDIRXENABLE);			status &= ~(IPR_MIDITRANSBUFEMPTY|IPR_MIDIRECVBUFEMPTY);		}		if (status & (IPR_A_MIDITRANSBUFEMPTY2|IPR_A_MIDIRECVBUFEMPTY2)) {			if (emu->midi2.interrupt)				emu->midi2.interrupt(emu, status);			else				snd_emu10k1_intr_disable(emu, INTE_A_MIDITXENABLE2|INTE_A_MIDIRXENABLE2);			status &= ~(IPR_A_MIDITRANSBUFEMPTY2|IPR_A_MIDIRECVBUFEMPTY2);		}		if (status & IPR_INTERVALTIMER) {			if (emu->timer)				snd_timer_interrupt(emu->timer, emu->timer->sticks);			else				snd_emu10k1_intr_disable(emu, INTE_INTERVALTIMERENB);			status &= ~IPR_INTERVALTIMER;		}		if (status & (IPR_GPSPDIFSTATUSCHANGE|IPR_CDROMSTATUSCHANGE)) {			if (emu->spdif_interrupt)				emu->spdif_interrupt(emu, status);			else				snd_emu10k1_intr_disable(emu, INTE_GPSPDIFENABLE|INTE_CDSPDIFENABLE);			status &= ~(IPR_GPSPDIFSTATUSCHANGE|IPR_CDROMSTATUSCHANGE);		}		if (status & IPR_FXDSP) {			if (emu->dsp_interrupt)				emu->dsp_interrupt(emu);			else				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 */				emu10k1_voice_t *pvoice = &(emu->p16v_voices[0]);				emu10k1_voice_t *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);			//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 */	}	return IRQ_RETVAL(handled);}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/99b359ba10a582148c6725f428a33ba5356dd993/irq.c/clean/sound/pci/emu10k1/irq.c