Annotation of sys/dev/midisynvar.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: midisynvar.h,v 1.2 2002/03/14 01:26:52 millert Exp $ */
2: /* $NetBSD: midisynvar.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: * 3. All advertising materials mentioning features or use of this software
20: * must display the following acknowledgement:
21: * This product includes software developed by the NetBSD
22: * Foundation, Inc. and its contributors.
23: * 4. Neither the name of The NetBSD Foundation nor the names of its
24: * contributors may be used to endorse or promote products derived
25: * from this software without specific prior written permission.
26: *
27: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37: * POSSIBILITY OF SUCH DAMAGE.
38: */
39:
40: #ifndef _SYS_DEV_MIDISYNVAR_H_
41: #define _SYS_DEV_MIDISYNVAR_H_
42:
43: typedef struct midisyn midisyn;
44:
45: struct midisyn_methods {
46: int (*open)(midisyn *, int);
47: void (*close)(midisyn *);
48: int (*ioctl)(midisyn *, u_long, caddr_t, int, struct proc *);
49: int (*allocv)(midisyn *, u_int32_t, u_int32_t);
50: void (*noteon)(midisyn *, u_int32_t, u_int32_t, u_int32_t);
51: void (*noteoff)(midisyn *, u_int32_t, u_int32_t, u_int32_t);
52: void (*keypres)(midisyn *, u_int32_t, u_int32_t, u_int32_t);
53: void (*ctlchg)(midisyn *, u_int32_t, u_int32_t, u_int32_t);
54: void (*pgmchg)(midisyn *, u_int32_t, u_int32_t);
55: void (*chnpres)(midisyn *, u_int32_t, u_int32_t);
56: void (*pitchb)(midisyn *, u_int32_t, u_int32_t, u_int32_t);
57: void (*sysex)(midisyn *, u_int32_t);
58: };
59:
60: struct voice {
61: u_int chan_note; /* channel and note */
62: #define MS_CHANNOTE(chan, note) ((chan) * 256 + (note))
63: #define MS_GETCHAN(v) ((v)->chan_note >> 8)
64: u_int seqno; /* allocation index (increases with time) */
65: u_char inuse;
66: };
67:
68: #define MIDI_MAX_CHANS 16
69:
70: struct midisyn {
71: /* Filled by synth driver */
72: struct midisyn_methods *mets;
73: char name[32];
74: int nvoice;
75: int flags;
76: #define MS_DOALLOC 1
77: #define MS_FREQXLATE 2
78: void *data;
79:
80: /* Used by midisyn driver */
81: u_int8_t buf[3];
82: int pos;
83: struct voice *voices;
84: u_int seqno;
85: u_int16_t pgms[MIDI_MAX_CHANS];
86: };
87:
88: #define MS_GETPGM(ms, vno) ((ms)->pgms[MS_GETCHAN(&(ms)->voices[vno])])
89:
90: struct midi_softc;
91:
92: extern struct midi_hw_if midisyn_hw_if;
93:
94: void midisyn_attach(struct midi_softc *, midisyn *);
95:
96: #define MIDISYN_FREQ_TO_HZ(f) ((f) >> 16)
97:
98: #endif /* _SYS_DEV_MIDISYNVAR_H_ */
CVSweb