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/* $OpenBSD: midisynvar.h,v 1.1 1999/01/02 00:02:37 niklas 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 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) __P((midisyn *, int));
void (*close) __P((midisyn *));
int (*ioctl) __P((midisyn *, u_long, caddr_t, int, struct proc *));
int (*allocv) __P((midisyn *, u_int32_t, u_int32_t));
void (*noteon) __P((midisyn *, u_int32_t, u_int32_t, u_int32_t));
void (*noteoff) __P((midisyn *, u_int32_t, u_int32_t, u_int32_t));
void (*keypres) __P((midisyn *, u_int32_t, u_int32_t, u_int32_t));
void (*ctlchg) __P((midisyn *, u_int32_t, u_int32_t, u_int32_t));
void (*pgmchg) __P((midisyn *, u_int32_t, u_int32_t));
void (*chnpres) __P((midisyn *, u_int32_t, u_int32_t));
void (*pitchb) __P((midisyn *, u_int32_t, u_int32_t, u_int32_t));
void (*sysex) __P((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 __P((struct midi_softc *, midisyn *));
#define MIDISYN_FREQ_TO_HZ(f) ((f) >> 16)
#endif /* _SYS_DEV_MIDISYNVAR_H_ */
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