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Annotation of sys/dev/sequencervar.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: sequencervar.h,v 1.3 2002/03/14 01:26:52 millert Exp $        */
        !             2: /*     $NetBSD: sequencervar.h,v 1.5 1998/11/25 22:17:07 augustss Exp $        */
        !             3:
        !             4: /*
        !             5:  * Copyright (c) 1998 The NetBSD Foundation, Inc.
        !             6:  * All rights reserved.
        !             7:  *
        !             8:  * This code is derived from software contributed to The NetBSD Foundation
        !             9:  * by Lennart Augustsson (augustss@netbsd.org).
        !            10:  *
        !            11:  * Redistribution and use in source and binary forms, with or without
        !            12:  * modification, are permitted provided that the following conditions
        !            13:  * are met:
        !            14:  * 1. Redistributions of source code must retain the above copyright
        !            15:  *    notice, this list of conditions and the following disclaimer.
        !            16:  * 2. Redistributions in binary form must reproduce the above copyright
        !            17:  *    notice, this list of conditions and the following disclaimer in the
        !            18:  *    documentation and/or other materials provided with the distribution.
        !            19:  * 3. All advertising materials mentioning features or use of this software
        !            20:  *    must display the following acknowledgement:
        !            21:  *        This product includes software developed by the NetBSD
        !            22:  *        Foundation, Inc. and its contributors.
        !            23:  * 4. Neither the name of The NetBSD Foundation nor the names of its
        !            24:  *    contributors may be used to endorse or promote products derived
        !            25:  *    from this software without specific prior written permission.
        !            26:  *
        !            27:  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
        !            28:  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
        !            29:  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
        !            30:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
        !            31:  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
        !            32:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
        !            33:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
        !            34:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
        !            35:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
        !            36:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
        !            37:  * POSSIBILITY OF SUCH DAMAGE.
        !            38:  */
        !            39:
        !            40: struct midi_softc;
        !            41:
        !            42: struct syn_timer {
        !            43:        struct  timeval start, stop;
        !            44:        int     tempo, timebase;
        !            45:        u_long  last;
        !            46:        u_long  tick;
        !            47:        int     running;
        !            48: };
        !            49:
        !            50: #define SEQ_MAXQ 256
        !            51: struct sequencer_queue {
        !            52:        seq_event_rec buf[SEQ_MAXQ];
        !            53:        u_int   in;             /* input index in buf */
        !            54:        u_int   out;            /* output index in buf */
        !            55:        u_int   count;          /* filled slots in buf */
        !            56: };
        !            57: #define SEQ_QINIT(q) ((q)->in = (q)->out = (q)->count = 0)
        !            58: #define SEQ_QEMPTY(q) ((q)->count == 0)
        !            59: #define SEQ_QFULL(q) ((q)->count >= SEQ_MAXQ)
        !            60: #define SEQ_QPUT(q, e) ((q)->buf[(q)->in++] = (e), (q)->in %= SEQ_MAXQ, (q)->count++)
        !            61: #define SEQ_QGET(q, e) ((e) = (q)->buf[(q)->out++], (q)->out %= SEQ_MAXQ, (q)->count--)
        !            62: #define SEQ_QLEN(q) ((q)->count)
        !            63:
        !            64: struct sequencer_softc;
        !            65:
        !            66: #define MAXCHAN 16
        !            67: struct midi_dev {
        !            68:        char    *name;
        !            69:        int     subtype;
        !            70:        int     capabilities;
        !            71:        int     nr_voices;
        !            72:        int     instr_bank_size;
        !            73:        int     unit;
        !            74:        u_char  last_cmd;
        !            75:        struct  sequencer_softc *seq;
        !            76:        struct  midi_softc *msc;
        !            77: };
        !            78:
        !            79: struct sequencer_softc {
        !            80:        struct  device dev;
        !            81:        struct  device *sc_dev; /* Hardware device struct */
        !            82:        int     isopen;         /* Open indicator */
        !            83:        int     flags;          /* Open flags */
        !            84:        int     mode;
        !            85: #define SEQ_OLD 0
        !            86: #define SEQ_NEW 1
        !            87:        int     rchan, wchan;
        !            88:        int     pbus;
        !            89:        struct  selinfo wsel;   /* write selector */
        !            90:        struct  selinfo rsel;   /* read selector */
        !            91:        struct  proc *async;    /* process who wants audio SIGIO */
        !            92:        struct  timeout timo;   /* timeout handle */
        !            93:
        !            94:        char    doingsysex;     /* doing a SEQ_SYSEX */
        !            95:
        !            96:        int     nmidi;          /* number of MIDI devices */
        !            97:        struct  midi_dev **devs;
        !            98:        struct  syn_timer timer;
        !            99:
        !           100:        struct  sequencer_queue outq; /* output event queue */
        !           101:        u_int   lowat;          /* output queue low water mark */
        !           102:        char    timeout;        /* timeout has been set */
        !           103:
        !           104:        struct  sequencer_queue inq; /* input event queue */
        !           105:        u_long  input_stamp;
        !           106: };
        !           107:
        !           108: void seq_event_intr(void *, seq_event_rec *);
        !           109:
        !           110: #define SEQUENCERUNIT(d) ((d) & 0x7f)
        !           111: #define SEQ_IS_OLD(d) ((d) & 0x80)
        !           112: