From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- sound/core/seq/oss/seq_oss_readq.h | 45 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 sound/core/seq/oss/seq_oss_readq.h (limited to 'sound/core/seq/oss/seq_oss_readq.h') diff --git a/sound/core/seq/oss/seq_oss_readq.h b/sound/core/seq/oss/seq_oss_readq.h new file mode 100644 index 0000000000..38d0c4682b --- /dev/null +++ b/sound/core/seq/oss/seq_oss_readq.h @@ -0,0 +1,45 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * OSS compatible sequencer driver + * read fifo queue + * + * Copyright (C) 1998,99 Takashi Iwai + */ + +#ifndef __SEQ_OSS_READQ_H +#define __SEQ_OSS_READQ_H + +#include "seq_oss_device.h" + + +/* + * definition of read queue + */ +struct seq_oss_readq { + union evrec *q; + int qlen; + int maxlen; + int head, tail; + unsigned long pre_event_timeout; + unsigned long input_time; + wait_queue_head_t midi_sleep; + spinlock_t lock; +}; + +struct seq_oss_readq *snd_seq_oss_readq_new(struct seq_oss_devinfo *dp, int maxlen); +void snd_seq_oss_readq_delete(struct seq_oss_readq *q); +void snd_seq_oss_readq_clear(struct seq_oss_readq *readq); +unsigned int snd_seq_oss_readq_poll(struct seq_oss_readq *readq, struct file *file, poll_table *wait); +int snd_seq_oss_readq_puts(struct seq_oss_readq *readq, int dev, unsigned char *data, int len); +int snd_seq_oss_readq_sysex(struct seq_oss_readq *q, int dev, + struct snd_seq_event *ev); +int snd_seq_oss_readq_put_event(struct seq_oss_readq *readq, union evrec *ev); +int snd_seq_oss_readq_put_timestamp(struct seq_oss_readq *readq, unsigned long curt, int seq_mode); +int snd_seq_oss_readq_pick(struct seq_oss_readq *q, union evrec *rec); +void snd_seq_oss_readq_wait(struct seq_oss_readq *q); +void snd_seq_oss_readq_free(struct seq_oss_readq *q); + +#define snd_seq_oss_readq_lock(q, flags) spin_lock_irqsave(&(q)->lock, flags) +#define snd_seq_oss_readq_unlock(q, flags) spin_unlock_irqrestore(&(q)->lock, flags) + +#endif -- cgit v1.2.3