/* 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; } #endif