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-rw-r--r--sound/oss/emu10k1/timer.c176
1 files changed, 0 insertions, 176 deletions
diff --git a/sound/oss/emu10k1/timer.c b/sound/oss/emu10k1/timer.c
deleted file mode 100644
index d10d307..0000000
--- a/sound/oss/emu10k1/timer.c
+++ /dev/null
@@ -1,176 +0,0 @@
-
-/*
- **********************************************************************
- * timer.c
- * Copyright (C) 1999, 2000 Creative Labs, inc.
- *
- **********************************************************************
- *
- * 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.
- *
- **********************************************************************
- */
-
-/* 3/6/2000 Improved support for different timer delays Rui Sousa */
-
-/* 4/3/2000 Implemented timer list using list.h Rui Sousa */
-
-#include "hwaccess.h"
-#include "8010.h"
-#include "irqmgr.h"
-#include "timer.h"
-
-/* Try to schedule only once per fragment */
-
-void emu10k1_timer_irqhandler(struct emu10k1_card *card)
-{
- struct emu_timer *t;
- struct list_head *entry;
-
- spin_lock(&card->timer_lock);
-
- list_for_each(entry, &card->timers) {
- t = list_entry(entry, struct emu_timer, list);
-
- if (t->state & TIMER_STATE_ACTIVE) {
- t->count++;
- if (t->count == t->count_max) {
- t->count = 0;
- tasklet_hi_schedule(&t->tasklet);
- }
- }
- }
-
- spin_unlock(&card->timer_lock);
-
- return;
-}
-
-void emu10k1_timer_install(struct emu10k1_card *card, struct emu_timer *timer, u16 delay)
-{
- struct emu_timer *t;
- struct list_head *entry;
- unsigned long flags;
-
- if (delay < 5)
- delay = 5;
-
- timer->delay = delay;
- timer->state = TIMER_STATE_INSTALLED;
-
- spin_lock_irqsave(&card->timer_lock, flags);
-
- timer->count_max = timer->delay / (card->timer_delay < 1024 ? card->timer_delay : 1024);
- timer->count = timer->count_max - 1;
-
- list_add(&timer->list, &card->timers);
-
- if (card->timer_delay > delay) {
- if (card->timer_delay == TIMER_STOPPED)
- emu10k1_irq_enable(card, INTE_INTERVALTIMERENB);
-
- card->timer_delay = delay;
- delay = (delay < 1024 ? delay : 1024);
-
- emu10k1_timer_set(card, delay);
-
- list_for_each(entry, &card->timers) {
- t = list_entry(entry, struct emu_timer, list);
-
- t->count_max = t->delay / delay;
- /* don't want to think much, just force scheduling
- on the next interrupt */
- t->count = t->count_max - 1;
- }
-
- DPD(2, "timer rate --> %u\n", delay);
- }
-
- spin_unlock_irqrestore(&card->timer_lock, flags);
-
- return;
-}
-
-void emu10k1_timer_uninstall(struct emu10k1_card *card, struct emu_timer *timer)
-{
- struct emu_timer *t;
- struct list_head *entry;
- u16 delay = TIMER_STOPPED;
- unsigned long flags;
-
- if (timer->state == TIMER_STATE_UNINSTALLED)
- return;
-
- spin_lock_irqsave(&card->timer_lock, flags);
-
- list_del(&timer->list);
-
- list_for_each(entry, &card->timers) {
- t = list_entry(entry, struct emu_timer, list);
-
- if (t->delay < delay)
- delay = t->delay;
- }
-
- if (card->timer_delay != delay) {
- card->timer_delay = delay;
-
- if (delay == TIMER_STOPPED)
- emu10k1_irq_disable(card, INTE_INTERVALTIMERENB);
- else {
- delay = (delay < 1024 ? delay : 1024);
-
- emu10k1_timer_set(card, delay);
-
- list_for_each(entry, &card->timers) {
- t = list_entry(entry, struct emu_timer, list);
-
- t->count_max = t->delay / delay;
- t->count = t->count_max - 1;
- }
- }
-
- DPD(2, "timer rate --> %u\n", delay);
- }
-
- spin_unlock_irqrestore(&card->timer_lock, flags);
-
- timer->state = TIMER_STATE_UNINSTALLED;
-
- return;
-}
-
-void emu10k1_timer_enable(struct emu10k1_card *card, struct emu_timer *timer)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&card->timer_lock, flags);
- timer->state |= TIMER_STATE_ACTIVE;
- spin_unlock_irqrestore(&card->timer_lock, flags);
-
- return;
-}
-
-void emu10k1_timer_disable(struct emu10k1_card *card, struct emu_timer *timer)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&card->timer_lock, flags);
- timer->state &= ~TIMER_STATE_ACTIVE;
- spin_unlock_irqrestore(&card->timer_lock, flags);
-
- return;
-}
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