root/dev/ic/oplvar.h

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INCLUDED FROM


    1 /*      $OpenBSD: oplvar.h,v 1.4 2006/07/27 05:55:00 miod Exp $ */
    2 /*      $NetBSD: oplvar.h,v 1.3 1998/11/25 22:17:06 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 #include <dev/midivar.h>
   41 #include <dev/midisynvar.h>
   42 
   43 struct opl_voice {
   44         int voiceno;
   45         int iooffs;
   46         u_int8_t op[4];
   47         const struct opl_operators *patch;
   48         u_int8_t rB0;
   49 };
   50 
   51 struct opl_softc {
   52         struct midi_softc mididev;
   53         bus_space_tag_t iot;
   54         bus_space_handle_t ioh;
   55         int     offs;
   56         int     model;
   57 #define OPL_2 2
   58 #define OPL_3 3
   59         struct  midisyn syn;
   60 
   61         struct opl_voice voices[OPL3_NVOICE];
   62         int volume;
   63 
   64         int     (*spkrctl)(void *, int);
   65         void    *spkrarg;
   66 };
   67 
   68 struct opl_attach_arg {
   69         bus_space_tag_t iot;
   70         bus_space_handle_t ioh;
   71         int offs;
   72         int done;
   73 };
   74 
   75 struct opl_operators {
   76         u_int8_t opl3;
   77         u_int8_t ops[22];
   78 #define OO_CHARS        0
   79 #define OO_KSL_LEV      2
   80 #define OO_ATT_DEC      4
   81 #define OO_SUS_REL      6
   82 #define OO_WAV_SEL      8
   83 #define OO_FB_CONN      10
   84 #define OO_4OP_OFFS     11
   85 };
   86 
   87 #define OPL_NINSTR 256
   88 extern const struct opl_operators opl2_instrs[];
   89 extern const struct opl_operators opl3_instrs[];
   90 
   91 int     opl_find(struct opl_attach_arg *);
   92 void    opl_attach(struct opl_softc *);

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