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Diffstat (limited to 'sound/oss/emu10k1/irqmgr.c')
-rw-r--r--sound/oss/emu10k1/irqmgr.c113
1 files changed, 0 insertions, 113 deletions
diff --git a/sound/oss/emu10k1/irqmgr.c b/sound/oss/emu10k1/irqmgr.c
deleted file mode 100644
index fb2ce638f01c..000000000000
--- a/sound/oss/emu10k1/irqmgr.c
+++ /dev/null
@@ -1,113 +0,0 @@
-/*
- **********************************************************************
- * irqmgr.c - IRQ manager for emu10k1 driver
- * Copyright 1999, 2000 Creative Labs, Inc.
- *
- **********************************************************************
- *
- * Date Author Summary of changes
- * ---- ------ ------------------
- * October 20, 1999 Bertrand Lee base code release
- *
- **********************************************************************
- *
- * 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., 675 Mass Ave, Cambridge, MA 02139,
- * USA.
- *
- **********************************************************************
- */
-
-#include "hwaccess.h"
-#include "8010.h"
-#include "cardmi.h"
-#include "cardmo.h"
-#include "irqmgr.h"
-
-/* Interrupt handler */
-
-irqreturn_t emu10k1_interrupt(int irq, void *dev_id)
-{
- struct emu10k1_card *card = (struct emu10k1_card *) dev_id;
- u32 irqstatus, irqstatus_tmp;
- int handled = 0;
-
- DPD(4, "emu10k1_interrupt called, irq = %u\n", irq);
-
- /*
- ** NOTE :
- ** We do a 'while loop' here cos on certain machines, with both
- ** playback and recording going on at the same time, IRQs will
- ** stop coming in after a while. Checking IPND indeed shows that
- ** there are interrupts pending but the PIC says no IRQs pending.
- ** I suspect that some boards need edge-triggered IRQs but are not
- ** getting that condition if we don't completely clear the IPND
- ** (make sure no more interrupts are pending).
- ** - Eric
- */
-
- while ((irqstatus = inl(card->iobase + IPR))) {
- DPD(4, "irq status %#x\n", irqstatus);
-
- irqstatus_tmp = irqstatus;
-
- if (irqstatus & IRQTYPE_TIMER) {
- emu10k1_timer_irqhandler(card);
- irqstatus &= ~IRQTYPE_TIMER;
- }
-
- if (irqstatus & IRQTYPE_DSP) {
- emu10k1_dsp_irqhandler(card);
- irqstatus &= ~IRQTYPE_DSP;
- }
-
- if (irqstatus & IRQTYPE_MPUIN) {
- emu10k1_mpuin_irqhandler(card);
- irqstatus &= ~IRQTYPE_MPUIN;
- }
-
- if (irqstatus & IRQTYPE_MPUOUT) {
- emu10k1_mpuout_irqhandler(card);
- irqstatus &= ~IRQTYPE_MPUOUT;
- }
-
- if (irqstatus & IPR_MUTE) {
- emu10k1_mute_irqhandler(card);
- irqstatus &=~IPR_MUTE;
- }
-
- if (irqstatus & IPR_VOLINCR) {
- emu10k1_volincr_irqhandler(card);
- irqstatus &=~IPR_VOLINCR;
- }
-
- if (irqstatus & IPR_VOLDECR) {
- emu10k1_voldecr_irqhandler(card);
- irqstatus &=~IPR_VOLDECR;
- }
-
- if (irqstatus){
- printk(KERN_ERR "emu10k1: Warning, unhandled interrupt: %#08x\n", irqstatus);
- //make sure any interrupts we don't handle are disabled:
- emu10k1_irq_disable(card, ~(INTE_MIDIRXENABLE | INTE_MIDITXENABLE | INTE_INTERVALTIMERENB |
- INTE_VOLDECRENABLE | INTE_VOLINCRENABLE | INTE_MUTEENABLE |
- INTE_FXDSPENABLE));
- }
-
- /* acknowledge interrupt */
- outl(irqstatus_tmp, card->iobase + IPR);
- handled = 1;
- }
- return IRQ_RETVAL(handled);
-}