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mpu_ym.c revision 1.14 
      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 (at) 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  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by the NetBSD
     21  *	Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #include <sys/cdefs.h>
     40 __KERNEL_RCSID(0, "$NetBSD: mpu_ym.c,v 1.14 2008/03/27 10:22:01 xtraeme Exp $");
     41 
     42 #define NMPU_YM 1
     43 
     44 #include <sys/param.h>
     45 #include <sys/systm.h>
     46 #include <sys/kernel.h>
     47 #include <sys/errno.h>
     48 #include <sys/device.h>
     49 #include <sys/proc.h>
     50 #include <sys/conf.h>
     51 #include <sys/audioio.h>
     52 #include <sys/midiio.h>
     53 
     54 #include <sys/bus.h>
     55 
     56 #include <dev/audio_if.h>
     57 #include <dev/midi_if.h>
     58 
     59 #include <dev/isa/isavar.h>
     60 #include <dev/isa/ad1848var.h>
     61 #include <dev/ic/opl3sa3reg.h>
     62 #include <dev/isa/ymvar.h>
     63 #include <dev/ic/mpuvar.h>
     64 
     65 static int	mpu_ym_match(device_t, cfdata_t, void *);
     66 static void	mpu_ym_attach(device_t, device_t, void *);
     67 #ifndef AUDIO_NO_POWER_CTL
     68 static int	mpu_ym_power_ctl(void *, int);
     69 #endif
     70 
     71 CFATTACH_DECL_NEW(mpu_ym, sizeof(struct mpu_softc),
     72     mpu_ym_match, mpu_ym_attach, NULL, NULL);
     73 
     74 static int
     75 mpu_ym_match(device_t parent, cfdata_t match, void *aux)
     76 {
     77 	struct audio_attach_args *aa = aux;
     78 	struct ym_softc *ssc = device_private(parent);
     79 	struct mpu_softc sc;
     80 
     81 	if (aa->type != AUDIODEV_TYPE_MPU || ssc->sc_mpu_ioh == 0)
     82 		return (0);
     83 	memset(&sc, 0, sizeof sc);
     84 	sc.ioh = ssc->sc_mpu_ioh;
     85 	sc.iot = ssc->sc_iot;
     86 	return mpu_find(&sc);
     87 }
     88 
     89 static void
     90 mpu_ym_attach(device_t parent, device_t self, void *aux)
     91 {
     92 	struct ym_softc *ssc = device_private(parent);
     93 	struct mpu_softc *sc = device_private(self);
     94 
     95 	aprint_normal("\n");
     96 
     97 	sc->ioh = ssc->sc_mpu_ioh;
     98 	sc->iot = ssc->sc_iot;
     99 #ifndef AUDIO_NO_POWER_CTL
    100 	sc->powerctl = mpu_ym_power_ctl;
    101 	sc->powerarg = ssc;
    102 #endif
    103 	sc->model = YM_IS_SA3(ssc) ?
    104 	    "OPL3-SA3 MPU-401 MIDI UART" : "OPL3-SA2 MPU-401 MIDI UART";
    105 	sc->sc_dev  = self;
    106 
    107 	mpu_attach(sc);
    108 }
    109 
    110 #ifndef AUDIO_NO_POWER_CTL
    111 static int
    112 mpu_ym_power_ctl(void *arg, int onoff)
    113 {
    114 	struct ym_softc *ssc = arg;
    115 
    116 	ym_power_ctl(ssc, YM_POWER_MPU401, onoff);
    117 	return 0;
    118 }
    119 #endif
    120