The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/oplvar.h

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    1 /*      $NetBSD: oplvar.h,v 1.15 2008/04/28 20:23:51 martin Exp $       */
    2 
    3 /*
    4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
    5  * All rights reserved.
    6  *
    7  * This code is derived from software contributed to The NetBSD Foundation
    8  * by Lennart Augustsson (augustss@NetBSD.org).
    9  *
   10  * Redistribution and use in source and binary forms, with or without
   11  * modification, are permitted provided that the following conditions
   12  * are met:
   13  * 1. Redistributions of source code must retain the above copyright
   14  *    notice, this list of conditions and the following disclaimer.
   15  * 2. Redistributions in binary form must reproduce the above copyright
   16  *    notice, this list of conditions and the following disclaimer in the
   17  *    documentation and/or other materials provided with the distribution.
   18  *
   19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   29  * POSSIBILITY OF SUCH DAMAGE.
   30  */
   31 
   32 #include <dev/midivar.h>
   33 #include <dev/midisynvar.h>
   34 
   35 struct opl_voice {
   36         int voiceno;
   37         int iooffs;
   38         u_int8_t op[4];
   39         const struct opl_operators *patch;
   40         u_int8_t rB0;
   41 };
   42 
   43 struct opl_softc {
   44         struct midi_softc mididev;
   45         bus_space_tag_t iot;
   46         bus_space_handle_t ioh;
   47         int     offs;
   48         int     model;
   49 #define OPL_2 2
   50 #define OPL_3 3
   51         struct  midisyn syn;
   52         device_t sc_mididev;
   53 
   54         struct opl_voice voices[OPL3_NVOICE];
   55         u_int8_t pan[MIDI_MAX_CHANS];
   56         u_int8_t panl, panr;
   57 
   58         int     (*spkrctl)(void *, int);
   59         void    *spkrarg;
   60 
   61 #ifndef AUDIO_NO_POWER_CTL
   62         int     (*powerctl)(void *, int);
   63         void    *powerarg;
   64 #endif
   65 };
   66 
   67 /* for panpot */
   68 #define OPL_MIDI_CENTER_MIN     (64 - 20)
   69 #define OPL_MIDI_CENTER_MAX     (64 + 20)
   70 
   71 /* config flags */
   72 #define OPL_FLAGS_SWAP_LR       0x0001  /* swap L and R channels */
   73 
   74 struct opl_attach_arg {
   75         bus_space_tag_t iot;
   76         bus_space_handle_t ioh;
   77         int offs;
   78         int done;
   79 };
   80 
   81 struct opl_operators {
   82         u_int8_t opl3;
   83         u_int8_t ops[22];
   84 #define OO_CHARS        0
   85 #define OO_KSL_LEV      2
   86 #define OO_ATT_DEC      4
   87 #define OO_SUS_REL      6
   88 #define OO_WAV_SEL      8
   89 #define OO_FB_CONN      10
   90 #define OO_4OP_OFFS     11
   91 };
   92 
   93 #define OPL_NINSTR 256
   94 
   95 #ifdef _KERNEL
   96 extern const struct opl_operators opl2_instrs[];
   97 extern const struct opl_operators opl3_instrs[];
   98 
   99 int     opl_find(struct opl_softc *);
  100 int     opl_match(bus_space_tag_t, bus_space_handle_t, int);
  101 void    opl_attach(struct opl_softc *);
  102 int     opl_detach(struct opl_softc *, int);
  103 #endif

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