seq_oss_writeq.h (928B)
1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2/* 3 * OSS compatible sequencer driver 4 * write priority queue 5 * 6 * Copyright (C) 1998,99 Takashi Iwai <tiwai@suse.de> 7 */ 8 9#ifndef __SEQ_OSS_WRITEQ_H 10#define __SEQ_OSS_WRITEQ_H 11 12#include "seq_oss_device.h" 13 14 15struct seq_oss_writeq { 16 struct seq_oss_devinfo *dp; 17 int maxlen; 18 abstime_t sync_time; 19 int sync_event_put; 20 wait_queue_head_t sync_sleep; 21 spinlock_t sync_lock; 22}; 23 24 25/* 26 * seq_oss_writeq.c 27 */ 28struct seq_oss_writeq *snd_seq_oss_writeq_new(struct seq_oss_devinfo *dp, int maxlen); 29void snd_seq_oss_writeq_delete(struct seq_oss_writeq *q); 30void snd_seq_oss_writeq_clear(struct seq_oss_writeq *q); 31int snd_seq_oss_writeq_sync(struct seq_oss_writeq *q); 32void snd_seq_oss_writeq_wakeup(struct seq_oss_writeq *q, abstime_t time); 33int snd_seq_oss_writeq_get_free_size(struct seq_oss_writeq *q); 34void snd_seq_oss_writeq_set_output(struct seq_oss_writeq *q, int size); 35 36 37#endif