114 lines
3.8 KiB
C
114 lines
3.8 KiB
C
/* $NetBSD: sequencervar.h,v 1.7 2003/12/04 13:57:30 keihan 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.
|
|
*/
|
|
|
|
#include <sys/callout.h>
|
|
|
|
struct midi_softc;
|
|
|
|
struct syn_timer {
|
|
struct timeval start, stop;
|
|
int tempo, timebase;
|
|
u_long last;
|
|
u_long tick;
|
|
int running;
|
|
};
|
|
|
|
#define SEQ_MAXQ 256
|
|
struct sequencer_queue {
|
|
seq_event_rec buf[SEQ_MAXQ];
|
|
u_int in; /* input index in buf */
|
|
u_int out; /* output index in buf */
|
|
u_int count; /* filled slots in buf */
|
|
};
|
|
#define SEQ_QINIT(q) ((q)->in = (q)->out = (q)->count = 0)
|
|
#define SEQ_QEMPTY(q) ((q)->count == 0)
|
|
#define SEQ_QFULL(q) ((q)->count >= SEQ_MAXQ)
|
|
#define SEQ_QPUT(q, e) ((q)->buf[(q)->in++] = (e), (q)->in %= SEQ_MAXQ, (q)->count++)
|
|
#define SEQ_QGET(q, e) ((e) = (q)->buf[(q)->out++], (q)->out %= SEQ_MAXQ, (q)->count--)
|
|
#define SEQ_QLEN(q) ((q)->count)
|
|
|
|
struct sequencer_softc;
|
|
|
|
#define MAXCHAN 16
|
|
struct midi_dev {
|
|
char *name;
|
|
int subtype;
|
|
int capabilities;
|
|
int nr_voices;
|
|
int instr_bank_size;
|
|
int unit;
|
|
u_char last_cmd;
|
|
struct sequencer_softc *seq;
|
|
struct midi_softc *msc;
|
|
};
|
|
|
|
struct sequencer_softc {
|
|
struct device dev;
|
|
struct device *sc_dev; /* Hardware device struct */
|
|
struct callout sc_callout;
|
|
int isopen; /* Open indicator */
|
|
int flags; /* Open flags */
|
|
int mode;
|
|
#define SEQ_OLD 0
|
|
#define SEQ_NEW 1
|
|
int rchan, wchan;
|
|
int pbus;
|
|
struct selinfo wsel; /* write selector */
|
|
struct selinfo rsel; /* read selector */
|
|
struct proc *async; /* process who wants audio SIGIO */
|
|
|
|
char doingsysex; /* doing a SEQ_SYSEX */
|
|
|
|
int nmidi; /* number of MIDI devices */
|
|
struct midi_dev **devs;
|
|
struct syn_timer timer;
|
|
|
|
struct sequencer_queue outq; /* output event queue */
|
|
u_int lowat; /* output queue low water mark */
|
|
char timeout; /* timeout has been set */
|
|
|
|
struct sequencer_queue inq; /* input event queue */
|
|
u_long input_stamp;
|
|
};
|
|
|
|
void seq_event_intr __P((void *, seq_event_rec *));
|
|
|
|
#define SEQUENCERUNIT(d) ((d) & 0x7f)
|
|
#define SEQ_IS_OLD(d) ((d) & 0x80)
|
|
|