xref: /openbsd/sys/dev/midi_if.h (revision 404b540a)
1 /*	$OpenBSD: midi_if.h,v 1.7 2008/06/26 05:42:14 ray Exp $	*/
2 /*	$NetBSD: midi_if.h,v 1.3 1998/11/25 22:17:07 augustss Exp $	*/
3 
4 /*
5  * Copyright (c) 1998 The NetBSD Foundation, Inc.
6  * All rights reserved.
7  *
8  * This code is derived from software contributed to The NetBSD Foundation
9  * by Lennart Augustsson (augustss@netbsd.org).
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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30  * POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 #ifndef _SYS_DEV_MIDI_IF_H_
34 #define _SYS_DEV_MIDI_IF_H_
35 
36 struct midi_info {
37 	char	*name;		/* Name of MIDI hardware */
38 	int	props;
39 };
40 #define MIDI_PROP_OUT_INTR  1
41 #define MIDI_PROP_CAN_INPUT 2
42 
43 struct midi_softc;
44 
45 struct midi_hw_if {
46 	int	(*open)(void *, int, 	/* open hardware */
47 			void (*)(void *, int), /* input callback */
48 			void (*)(void *), /* output callback */
49 			void *);
50 	void	(*close)(void *);	/* close hardware */
51 	int	(*output)(void *, int);	/* output a byte */
52 	void	(*flush)(void *);	/* flush the output */
53 	void	(*getinfo)(void *, struct midi_info *);
54 	int	(*ioctl)(void *, u_long, caddr_t, int, struct proc *);
55 };
56 
57 void	       midi_attach(struct midi_softc *, struct device *);
58 struct device *midi_attach_mi(struct midi_hw_if *, void *,
59 				   struct device *);
60 
61 int	       midi_unit_count(void);
62 void	       midi_getinfo(dev_t, struct midi_info *);
63 int	       midi_writebytes(int, u_char *, int);
64 
65 #endif /* _SYS_DEV_MIDI_IF_H_ */
66