/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * OSS compatible sequencer driver * write priority queue * * Copyright (C) 1998,99 Takashi Iwai <tiwai@suse.de> */ #ifndef __SEQ_OSS_WRITEQ_H #define __SEQ_OSS_WRITEQ_H #include "seq_oss_device.h" struct seq_oss_writeq { struct seq_oss_devinfo *dp; int maxlen; abstime_t sync_time; int sync_event_put; wait_queue_head_t sync_sleep; spinlock_t sync_lock; }; /* * seq_oss_writeq.c */ struct seq_oss_writeq *snd_seq_oss_writeq_new(struct seq_oss_devinfo *dp, int maxlen); void snd_seq_oss_writeq_delete(struct seq_oss_writeq *q); void snd_seq_oss_writeq_clear(struct seq_oss_writeq *q); int snd_seq_oss_writeq_sync(struct seq_oss_writeq *q); void snd_seq_oss_writeq_wakeup(struct seq_oss_writeq *q, abstime_t time); int snd_seq_oss_writeq_get_free_size(struct seq_oss_writeq *q); void snd_seq_oss_writeq_set_output(struct seq_oss_writeq *q, int size); #endif