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1/* SPDX-License-Identifier: GPL-2.0-or-later */2/*3 * OSS compatible sequencer driver4 * timer handling routines5 *6 * Copyright (C) 1998,99 Takashi Iwai <tiwai@suse.de>7 */8 9#ifndef __SEQ_OSS_TIMER_H10#define __SEQ_OSS_TIMER_H11 12#include "seq_oss_device.h"13 14/*15 * timer information definition16 */17struct seq_oss_timer {18 struct seq_oss_devinfo *dp;19 reltime_t cur_tick;20 int realtime;21 int running;22 int tempo, ppq; /* ALSA queue */23 int oss_tempo, oss_timebase;24}; 25 26 27struct seq_oss_timer *snd_seq_oss_timer_new(struct seq_oss_devinfo *dp);28void snd_seq_oss_timer_delete(struct seq_oss_timer *dp);29 30int snd_seq_oss_timer_start(struct seq_oss_timer *timer);31int snd_seq_oss_timer_stop(struct seq_oss_timer *timer);32int snd_seq_oss_timer_continue(struct seq_oss_timer *timer);33int snd_seq_oss_timer_tempo(struct seq_oss_timer *timer, int value);34#define snd_seq_oss_timer_reset snd_seq_oss_timer_start35 36int snd_seq_oss_timer_ioctl(struct seq_oss_timer *timer, unsigned int cmd, int __user *arg);37 38/*39 * get current processed time40 */41static inline abstime_t42snd_seq_oss_timer_cur_tick(struct seq_oss_timer *timer)43{44 return timer->cur_tick;45}46 47#endif48