xref: /freebsd/sys/dev/sound/midi/midi.h (revision 3b68c491d37196bb76a95bce3c02f7c6d5ba22fd)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2003 Mathew Kanner
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #ifndef MIDI_H
30 #define MIDI_H
31 
32 #include <sys/types.h>
33 #include <sys/malloc.h>
34 
35 MALLOC_DECLARE(M_MIDI);
36 
37 #define M_RX		0x01
38 #define M_TX		0x02
39 #define M_RXEN		0x04
40 #define M_TXEN		0x08
41 
42 struct snd_midi;
43 
44 void	midistat_lock(void);
45 void	midistat_unlock(void);
46 void	midistat_lockassert(void);
47 
48 struct snd_midi *
49 midi_init(kobj_class_t _mpu_cls, int _unit, int _channel, void *cookie);
50 int	midi_uninit(struct snd_midi *_m);
51 int	midi_out(struct snd_midi *_m, uint8_t *_buf, int _size);
52 int	midi_in(struct snd_midi *_m, uint8_t *_buf, int _size);
53 
54 kobj_t	midimapper_addseq(void *arg1, int *unit, void **cookie);
55 int	midimapper_open_locked(void *arg1, void **cookie);
56 int	midimapper_open(void *arg1, void **cookie);
57 int	midimapper_close(void *arg1, void *cookie);
58 kobj_t	midimapper_fetch_synth_locked(void *arg, void *cookie, int unit);
59 kobj_t	midimapper_fetch_synth(void *arg, void *cookie, int unit);
60 
61 #endif
62