xref: /src/sys/dev/sound/midi/midi.h (revision fb945a50e2649c9a1c3a9b38ffb84f53e37abd0a)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2003 Mathew Kanner
5  * All rights reserved.
6  * Copyright (c) 2025 The FreeBSD Foundation
7  *
8  * Portions of this software were developed by Christos Margiolis
9  * <christos@FreeBSD.org> under sponsorship from the FreeBSD Foundation.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  */
32 
33 #ifndef MIDI_H
34 #define MIDI_H
35 
36 #include <sys/types.h>
37 #include <sys/malloc.h>
38 
39 MALLOC_DECLARE(M_MIDI);
40 
41 #define M_RX		0x01
42 #define M_TX		0x02
43 #define M_RXEN		0x04
44 #define M_TXEN		0x08
45 
46 struct snd_midi;
47 
48 struct snd_midi *midi_init(kobj_class_t _mpu_cls, void *cookie);
49 int	midi_uninit(struct snd_midi *_m);
50 int	midi_out(struct snd_midi *_m, uint8_t *_buf, int _size);
51 int	midi_in(struct snd_midi *_m, uint8_t *_buf, int _size);
52 
53 #endif
54