diff options
Diffstat (limited to 'sound/core/seq/oss/seq_oss_writeq.h')
| -rw-r--r-- | sound/core/seq/oss/seq_oss_writeq.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/sound/core/seq/oss/seq_oss_writeq.h b/sound/core/seq/oss/seq_oss_writeq.h new file mode 100644 index 000000000..490d27a7b --- /dev/null +++ b/sound/core/seq/oss/seq_oss_writeq.h @@ -0,0 +1,37 @@ +/* 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 |