| /* 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 |