sys/dev/ic/oplvar.h

   1 /*      $NetBSD: oplvar.h,v 1.14 2008/03/15 23:14:38 cube 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