/* $NetBSD: sequencervar.h,v 1.9 2005/05/29 22:18:25 christos 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 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 { const 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(void *, seq_event_rec *); #define SEQUENCERUNIT(d) ((d) & 0x7f) #define SEQ_IS_OLD(d) ((d) & 0x80)