/*
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* OSS compatible sequencer driver
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* timer handling routines
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*
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* Copyright (C) 1998,99 Takashi Iwai <tiwai@suse.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __SEQ_OSS_TIMER_H
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#define __SEQ_OSS_TIMER_H
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#include "seq_oss_device.h"
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/*
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* timer information definition
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*/
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struct seq_oss_timer {
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struct seq_oss_devinfo *dp;
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reltime_t cur_tick;
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int realtime;
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int running;
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int tempo, ppq; /* ALSA queue */
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int oss_tempo, oss_timebase;
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};
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struct seq_oss_timer *snd_seq_oss_timer_new(struct seq_oss_devinfo *dp);
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void snd_seq_oss_timer_delete(struct seq_oss_timer *dp);
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int snd_seq_oss_timer_start(struct seq_oss_timer *timer);
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int snd_seq_oss_timer_stop(struct seq_oss_timer *timer);
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int snd_seq_oss_timer_continue(struct seq_oss_timer *timer);
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int snd_seq_oss_timer_tempo(struct seq_oss_timer *timer, int value);
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#define snd_seq_oss_timer_reset snd_seq_oss_timer_start
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int snd_seq_oss_timer_ioctl(struct seq_oss_timer *timer, unsigned int cmd, int __user *arg);
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/*
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* get current processed time
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*/
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static inline abstime_t
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snd_seq_oss_timer_cur_tick(struct seq_oss_timer *timer)
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{
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return timer->cur_tick;
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}
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/*
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* is realtime event?
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*/
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static inline int
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snd_seq_oss_timer_is_realtime(struct seq_oss_timer *timer)
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{
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return timer->realtime;
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}
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#endif
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