98 lines
3.5 KiB
C
98 lines
3.5 KiB
C
/* $NetBSD: midisynvar.h,v 1.6 2003/06/29 22:30:01 fvdl 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) (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_ */
|