sys/dev/isa/mpu_ym.c

   1 /*      $NetBSD: mpu_ym.c,v 1.14 2008/03/27 10:22:01 xtraeme 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 <sys/cdefs.h>
  33 __KERNEL_RCSID(0, "$NetBSD: mpu_ym.c,v 1.14 2008/03/27 10:22:01 xtraeme Exp $");
  34
  35 #define NMPU_YM 1
  36
  37 #include <sys/param.h>
  38 #include <sys/systm.h>
  39 #include <sys/kernel.h>
  40 #include <sys/errno.h>
  41 #include <sys/device.h>
  42 #include <sys/proc.h>
  43 #include <sys/conf.h>
  44 #include <sys/audioio.h>
  45 #include <sys/midiio.h>
  46
  47 #include <sys/bus.h>
  48
  49 #include <dev/audio_if.h>
  50 #include <dev/midi_if.h>
  51
  52 #include <dev/isa/isavar.h>
  53 #include <dev/isa/ad1848var.h>
  54 #include <dev/ic/opl3sa3reg.h>
  55 #include <dev/isa/ymvar.h>
  56 #include <dev/ic/mpuvar.h>
  57
  58 static int      mpu_ym_match(device_t, cfdata_t, void *);
  59 static void     mpu_ym_attach(device_t, device_t, void *);
  60 #ifndef AUDIO_NO_POWER_CTL
  61 static int      mpu_ym_power_ctl(void *, int);
  62 #endif
  63
  64 CFATTACH_DECL_NEW(mpu_ym, sizeof(struct mpu_softc),
  65     mpu_ym_match, mpu_ym_attach, NULL, NULL);
  66
  67 static int
  68 mpu_ym_match(device_t parent, cfdata_t match, void *aux)
  69 {
  70         struct audio_attach_args *aa = aux;
  71         struct ym_softc *ssc = device_private(parent);
  72         struct mpu_softc sc;
  73
  74         if (aa->type != AUDIODEV_TYPE_MPU || ssc->sc_mpu_ioh == 0)
  75                 return (0);
  76         memset(&sc, 0, sizeof sc);
  77         sc.ioh = ssc->sc_mpu_ioh;
  78         sc.iot = ssc->sc_iot;
  79         return mpu_find(&sc);
  80 }
  81
  82 static void
  83 mpu_ym_attach(device_t parent, device_t self, void *aux)
  84 {
  85         struct ym_softc *ssc = device_private(parent);
  86         struct mpu_softc *sc = device_private(self);
  87
  88         aprint_normal("\n");
  89
  90         sc->ioh = ssc->sc_mpu_ioh;
  91         sc->iot = ssc->sc_iot;
  92 #ifndef AUDIO_NO_POWER_CTL
  93         sc->powerctl = mpu_ym_power_ctl;
  94         sc->powerarg = ssc;
  95 #endif
  96         sc->model = YM_IS_SA3(ssc) ?
  97             "OPL3-SA3 MPU-401 MIDI UART" : "OPL3-SA2 MPU-401 MIDI UART";
  98         sc->sc_dev  = self;
  99
 100         mpu_attach(sc);
 101 }
 102
 103 #ifndef AUDIO_NO_POWER_CTL
 104 static int
 105 mpu_ym_power_ctl(void *arg, int onoff)
 106 {
 107         struct ym_softc *ssc = arg;
 108
 109         ym_power_ctl(ssc, YM_POWER_MPU401, onoff);
 110         return 0;
 111 }
 112 #endif