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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* OSS compatible sequencer driver
* timer handling routines
*
* Copyright (C) 1998,99 Takashi Iwai <tiwai@suse.de>
*/
#ifndef __SEQ_OSS_TIMER_H
#define __SEQ_OSS_TIMER_H
#include "seq_oss_device.h"
/*
* timer information definition
*/
struct seq_oss_timer {
struct seq_oss_devinfo *dp;
reltime_t cur_tick;
int realtime;
int running;
int tempo, ppq; /* ALSA queue */
int oss_tempo, oss_timebase;
};
struct seq_oss_timer *snd_seq_oss_timer_new(struct seq_oss_devinfo *dp);
void snd_seq_oss_timer_delete(struct seq_oss_timer *dp);
int snd_seq_oss_timer_start(struct seq_oss_timer *timer);
int snd_seq_oss_timer_stop(struct seq_oss_timer *timer);
int snd_seq_oss_timer_continue(struct seq_oss_timer *timer);
int snd_seq_oss_timer_tempo(struct seq_oss_timer *timer, int value);
#define snd_seq_oss_timer_reset snd_seq_oss_timer_start
int snd_seq_oss_timer_ioctl(struct seq_oss_timer *timer, unsigned int cmd, int __user *arg);
/*
* get current processed time
*/
static inline abstime_t
snd_seq_oss_timer_cur_tick(struct seq_oss_timer *timer)
{
return timer->cur_tick;
}
/*
* is realtime event?
*/
static inline int
snd_seq_oss_timer_is_realtime(struct seq_oss_timer *timer)
{
return timer->realtime;
}
#endif
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