NetBSD/sys/dev/isa/opl_ym.c
itohy 04c1bf41b9 "opl at ym" attachment glue for making use of
OPL3 FM synthesizer on Yamaha OPL3-SA3.
1999-10-05 03:40:21 +00:00

125 lines
3.7 KiB
C

/* $NetBSD: opl_ym.c,v 1.1 1999/10/05 03:40:21 itohy Exp $ */
/*
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* Author: Lennart Augustsson
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "mpu_ym.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/errno.h>
#include <sys/device.h>
#include <sys/malloc.h>
#include <sys/proc.h>
#include <sys/conf.h>
#include <sys/select.h>
#include <sys/audioio.h>
#include <sys/midiio.h>
#include <machine/bus.h>
#include <dev/audio_if.h>
#include <dev/midi_if.h>
#include <dev/ic/oplreg.h>
#include <dev/ic/oplvar.h>
#include <dev/isa/isavar.h>
#include <dev/isa/ad1848var.h>
#include <dev/ic/opl3sa3reg.h>
#include <dev/isa/ymvar.h>
int opl_ym_match __P((struct device *, struct cfdata *, void *));
void opl_ym_attach __P((struct device *, struct device *, void *));
#ifndef AUDIO_NO_POWER_CTL
int opl_ym_power_ctl __P((void *, int));
#endif
struct cfattach opl_ym_ca = {
sizeof (struct opl_softc), opl_ym_match, opl_ym_attach
};
int
opl_ym_match(parent, match, aux)
struct device *parent;
struct cfdata *match;
void *aux;
{
struct audio_attach_args *aa = (struct audio_attach_args *)aux;
struct ym_softc *ssc = (struct ym_softc *)parent;
struct opl_softc sc;
if (aa->type != AUDIODEV_TYPE_OPL || ssc->sc_opl_ioh == 0)
return (0);
sc.ioh = ssc->sc_opl_ioh;
sc.iot = ssc->sc_iot;
sc.offs = 0;
return (opl_find(&sc));
}
void
opl_ym_attach(parent, self, aux)
struct device *parent;
struct device *self;
void *aux;
{
struct ym_softc *ssc = (struct ym_softc *)parent;
struct opl_softc *sc = (struct opl_softc *)self;
sc->ioh = ssc->sc_opl_ioh;
sc->iot = ssc->sc_iot;
sc->offs = 0;
#ifndef AUDIO_NO_POWER_CTL
sc->powerctl = opl_ym_power_ctl;
sc->powerarg = ssc;
#endif
strcpy(sc->syn.name, "OPL3-SA3 ");
opl_attach(sc);
}
#ifndef AUDIO_NO_POWER_CTL
int
opl_ym_power_ctl(arg, onoff)
void *arg;
int onoff;
{
struct ym_softc *ssc = arg;
ym_power_ctl(ssc, YM_POWER_OPL3 | YM_POWER_OPL3_DA, onoff);
return 0;
}
#endif