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/* $OpenBSD: midisynvar.h,v 1.3 2008/06/26 05:42:14 ray Exp $ */
/* $NetBSD: midisynvar.h,v 1.3 1998/11/25 22:17:07 augustss Exp $ */
/*
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Lennart Augustsson (augustss@netbsd.org).
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _SYS_DEV_MIDISYNVAR_H_
#define _SYS_DEV_MIDISYNVAR_H_
typedef struct midisyn midisyn;
struct midisyn_methods {
int (*open)(midisyn *, int);
void (*close)(midisyn *);
int (*ioctl)(midisyn *, u_long, caddr_t, int, struct proc *);
int (*allocv)(midisyn *, u_int32_t, u_int32_t);
void (*noteon)(midisyn *, u_int32_t, u_int32_t, u_int32_t);
void (*noteoff)(midisyn *, u_int32_t, u_int32_t, u_int32_t);
void (*keypres)(midisyn *, u_int32_t, u_int32_t, u_int32_t);
void (*ctlchg)(midisyn *, u_int32_t, u_int32_t, u_int32_t);
void (*pgmchg)(midisyn *, u_int32_t, u_int32_t);
void (*chnpres)(midisyn *, u_int32_t, u_int32_t);
void (*pitchb)(midisyn *, u_int32_t, u_int32_t, u_int32_t);
void (*sysex)(midisyn *, u_int32_t);
};
struct voice {
u_int chan_note; /* channel and note */
#define MS_CHANNOTE(chan, note) ((chan) * 256 + (note))
#define MS_GETCHAN(v) ((v)->chan_note >> 8)
u_int seqno; /* allocation index (increases with time) */
u_char inuse;
};
#define MIDI_MAX_CHANS 16
struct midisyn {
/* Filled by synth driver */
struct midisyn_methods *mets;
char name[32];
int nvoice;
int flags;
#define MS_DOALLOC 1
#define MS_FREQXLATE 2
void *data;
/* Used by midisyn driver */
u_int8_t buf[3];
int pos;
struct voice *voices;
u_int seqno;
u_int16_t pgms[MIDI_MAX_CHANS];
};
#define MS_GETPGM(ms, vno) ((ms)->pgms[MS_GETCHAN(&(ms)->voices[vno])])
struct midi_softc;
extern struct midi_hw_if midisyn_hw_if;
void midisyn_attach(struct midi_softc *, midisyn *);
#define MIDISYN_FREQ_TO_HZ(f) ((f) >> 16)
#endif /* _SYS_DEV_MIDISYNVAR_H_ */
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