midisynvar.h revision 1.2 1 1.2 augustss /* $NetBSD: midisynvar.h,v 1.2 1998/08/17 21:16:12 augustss Exp $ */
2 1.1 augustss
3 1.1 augustss /*
4 1.1 augustss * Copyright (c) 1998 The NetBSD Foundation, Inc.
5 1.1 augustss * All rights reserved.
6 1.1 augustss *
7 1.1 augustss * Author: Lennart Augustsson
8 1.1 augustss *
9 1.1 augustss * Redistribution and use in source and binary forms, with or without
10 1.1 augustss * modification, are permitted provided that the following conditions
11 1.1 augustss * are met:
12 1.1 augustss * 1. Redistributions of source code must retain the above copyright
13 1.1 augustss * notice, this list of conditions and the following disclaimer.
14 1.1 augustss * 2. Redistributions in binary form must reproduce the above copyright
15 1.1 augustss * notice, this list of conditions and the following disclaimer in the
16 1.1 augustss * documentation and/or other materials provided with the distribution.
17 1.1 augustss * 3. All advertising materials mentioning features or use of this software
18 1.1 augustss * must display the following acknowledgement:
19 1.1 augustss * This product includes software developed by the NetBSD
20 1.1 augustss * Foundation, Inc. and its contributors.
21 1.1 augustss * 4. Neither the name of The NetBSD Foundation nor the names of its
22 1.1 augustss * contributors may be used to endorse or promote products derived
23 1.1 augustss * from this software without specific prior written permission.
24 1.1 augustss *
25 1.1 augustss * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
26 1.1 augustss * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27 1.1 augustss * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 1.1 augustss * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
29 1.1 augustss * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 1.1 augustss * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 1.1 augustss * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 1.1 augustss * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 1.1 augustss * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 1.1 augustss * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 1.1 augustss * POSSIBILITY OF SUCH DAMAGE.
36 1.1 augustss */
37 1.1 augustss
38 1.2 augustss #ifndef _SYS_DEV_MIDISYNVAR_H_
39 1.2 augustss #define _SYS_DEV_MIDISYNVAR_H_
40 1.2 augustss
41 1.1 augustss typedef struct midisyn midisyn;
42 1.1 augustss
43 1.1 augustss struct midisyn_methods {
44 1.1 augustss int (*open) __P((midisyn *, int));
45 1.1 augustss void (*close) __P((midisyn *));
46 1.1 augustss int (*ioctl) __P((midisyn *, u_long, caddr_t, int, struct proc *));
47 1.1 augustss int (*allocv) __P((midisyn *, u_int32_t, u_int32_t));
48 1.1 augustss void (*noteon) __P((midisyn *, u_int32_t, u_int32_t, u_int32_t));
49 1.1 augustss void (*noteoff) __P((midisyn *, u_int32_t, u_int32_t, u_int32_t));
50 1.1 augustss void (*keypres) __P((midisyn *, u_int32_t, u_int32_t, u_int32_t));
51 1.1 augustss void (*ctlchg) __P((midisyn *, u_int32_t, u_int32_t, u_int32_t));
52 1.1 augustss void (*pgmchg) __P((midisyn *, u_int32_t, u_int32_t));
53 1.1 augustss void (*chnpres) __P((midisyn *, u_int32_t, u_int32_t));
54 1.1 augustss void (*pitchb) __P((midisyn *, u_int32_t, u_int32_t, u_int32_t));
55 1.1 augustss void (*sysex) __P((midisyn *, u_int32_t));
56 1.1 augustss };
57 1.1 augustss
58 1.1 augustss struct voice {
59 1.1 augustss u_int chan_note; /* channel and note */
60 1.2 augustss #define MS_CHANNOTE(chan, note) ((chan) * 256 + (note))
61 1.2 augustss #define MS_GETCHAN(v) ((v)->chan_note >> 8)
62 1.1 augustss u_int seqno; /* allocation index (increases with time) */
63 1.2 augustss u_char inuse;
64 1.1 augustss };
65 1.1 augustss
66 1.2 augustss #define MIDI_MAX_CHANS 16
67 1.2 augustss
68 1.1 augustss struct midisyn {
69 1.1 augustss /* Filled by synth driver */
70 1.1 augustss struct midisyn_methods *mets;
71 1.1 augustss char name[32];
72 1.1 augustss int nvoice;
73 1.1 augustss int flags;
74 1.1 augustss #define MS_DOALLOC 1
75 1.1 augustss #define MS_FREQXLATE 2
76 1.1 augustss void *data;
77 1.1 augustss
78 1.1 augustss /* Used by midisyn driver */
79 1.1 augustss u_int8_t buf[3];
80 1.1 augustss int pos;
81 1.1 augustss struct voice *voices;
82 1.1 augustss u_int seqno;
83 1.2 augustss u_int16_t pgms[MIDI_MAX_CHANS];
84 1.1 augustss };
85 1.1 augustss
86 1.2 augustss #define MS_GETPGM(ms, vno) ((ms)->pgms[MS_GETCHAN(&(ms)->voices[vno])])
87 1.2 augustss
88 1.2 augustss struct midi_softc;
89 1.2 augustss
90 1.2 augustss extern struct midi_hw_if midisyn_hw_if;
91 1.2 augustss
92 1.2 augustss void midisyn_attach __P((struct midi_softc *, midisyn *));
93 1.1 augustss
94 1.1 augustss #define MIDISYN_FREQ_TO_HZ(f) ((f) >> 16)
95 1.2 augustss
96 1.2 augustss #endif /* _SYS_DEV_MIDISYNVAR_H_ */
97