1a59d1b8e0
Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details you should have received a copy of the gnu general public license along with this program if not write to the free software foundation inc 59 temple place suite 330 boston ma 02111 1307 usa extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 1334 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
200 lines
5.9 KiB
C
200 lines
5.9 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
/*
|
|
* Copyright (c) by Jaroslav Kysela <perex@perex.cz>
|
|
* Creative Labs, Inc.
|
|
* Routines for IRQ control of EMU10K1 chips
|
|
*
|
|
* BUGS:
|
|
* --
|
|
*
|
|
* TODO:
|
|
* --
|
|
*/
|
|
|
|
#include <linux/time.h>
|
|
#include <sound/core.h>
|
|
#include <sound/emu10k1.h>
|
|
|
|
irqreturn_t snd_emu10k1_interrupt(int irq, void *dev_id)
|
|
{
|
|
struct snd_emu10k1 *emu = dev_id;
|
|
unsigned int status, status2, orig_status, orig_status2;
|
|
int handled = 0;
|
|
int timeout = 0;
|
|
|
|
while (((status = inl(emu->port + IPR)) != 0) && (timeout < 1000)) {
|
|
timeout++;
|
|
orig_status = status;
|
|
handled = 1;
|
|
if ((status & 0xffffffff) == 0xffffffff) {
|
|
dev_info(emu->card->dev,
|
|
"Suspected sound card removal\n");
|
|
break;
|
|
}
|
|
if (status & IPR_PCIERROR) {
|
|
dev_err(emu->card->dev, "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;
|
|
struct snd_emu10k1_voice *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 */
|
|
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 */
|
|
}
|
|
status &= ~IPR_P16V;
|
|
}
|
|
|
|
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);
|
|
}
|