sys/dev/isa/opl_ym.c

   1 /*      $NetBSD: opl_ym.c,v 1.15 2008/03/15 23:14:38 cube Exp $ */
   2
   3 /*
   4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * Author: Lennart Augustsson
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  19  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  20  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  21  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  22  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  28  * POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #include <sys/cdefs.h>
  32 __KERNEL_RCSID(0, "$NetBSD: opl_ym.c,v 1.15 2008/03/15 23:14:38 cube Exp $");
  33
  34 #include "mpu_ym.h"
  35
  36 #include <sys/param.h>
  37 #include <sys/systm.h>
  38 #include <sys/kernel.h>
  39 #include <sys/errno.h>
  40 #include <sys/device.h>
  41 #include <sys/malloc.h>
  42 #include <sys/proc.h>
  43 #include <sys/conf.h>
  44 #include <sys/select.h>
  45 #include <sys/audioio.h>
  46 #include <sys/midiio.h>
  47
  48 #include <sys/bus.h>
  49
  50 #include <dev/audio_if.h>
  51 #include <dev/midi_if.h>
  52 #include <dev/ic/oplreg.h>
  53 #include <dev/ic/oplvar.h>
  54
  55 #include <dev/isa/isavar.h>
  56 #include <dev/isa/ad1848var.h>
  57 #include <dev/ic/opl3sa3reg.h>
  58 #include <dev/isa/ymvar.h>
  59
  60 int     opl_ym_match(device_t, cfdata_t, void *);
  61 void    opl_ym_attach(device_t, device_t, void *);
  62 #ifndef AUDIO_NO_POWER_CTL
  63 int     opl_ym_power_ctl(void *, int);
  64 #endif
  65
  66 CFATTACH_DECL_NEW(opl_ym, sizeof(struct opl_softc),
  67     opl_ym_match, opl_ym_attach, NULL, NULL);
  68
  69 int
  70 opl_ym_match(device_t parent, cfdata_t match, void *aux)
  71 {
  72         struct audio_attach_args *aa = (struct audio_attach_args *)aux;
  73         struct ym_softc *ssc = device_private(parent);
  74
  75         if (aa->type != AUDIODEV_TYPE_OPL || ssc->sc_opl_ioh == 0)
  76                 return (0);
  77         return opl_match(ssc->sc_iot, ssc->sc_opl_ioh, 0);
  78 }
  79
  80 void
  81 opl_ym_attach(device_t parent, device_t self, void *aux)
  82 {
  83         struct ym_softc *ssc = device_private(parent);
  84         struct opl_softc *sc = device_private(self);
  85
  86         sc->mididev.dev = self;
  87         sc->ioh = ssc->sc_opl_ioh;
  88         sc->iot = ssc->sc_iot;
  89         sc->offs = 0;
  90 #ifndef AUDIO_NO_POWER_CTL
  91         sc->powerctl = opl_ym_power_ctl;
  92         sc->powerarg = ssc;
  93 #endif
  94         snprintf(sc->syn.name, sizeof(sc->syn.name), "%s ",
  95             ssc->sc_ad1848.sc_ad1848.chip_name);
  96
  97         opl_attach(sc);
  98 }
  99
 100 #ifndef AUDIO_NO_POWER_CTL
 101 int
 102 opl_ym_power_ctl(void *arg, int onoff)
 103 {
 104         struct ym_softc *ssc = arg;
 105
 106         ym_power_ctl(ssc, YM_POWER_OPL3 | YM_POWER_OPL3_DA, onoff);
 107         return 0;
 108 }
 109 #endif