NetBSD/sys/dev/isapnp/ym_isapnp.c

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/* $NetBSD: ym_isapnp.c,v 1.10 1999/03/22 14:32:59 mycroft Exp $ */
/*
* Copyright (c) 1991-1993 Regents of the University of California.
* All rights reserved.
*
* 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 Computer Systems
* Engineering Group at Lawrence Berkeley Laboratory.
* 4. Neither the name of the University nor of the Laboratory may be used
* to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
*
*/
/*
* Driver for the Yamaha OPL3-SA3 chipset. This is found on many laptops
* and Pentium (II) motherboards.
*
* Original code from OpenBSD.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
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#include <sys/errno.h>
#include <sys/audioio.h>
#include <dev/audio_if.h>
#include <dev/isa/isavar.h>
#include <dev/isa/isadmavar.h>
#include <dev/isapnp/isapnpreg.h>
#include <dev/isapnp/isapnpvar.h>
#include <dev/isapnp/isapnpdevs.h>
#include <dev/ic/ad1848reg.h>
#include <dev/isa/ad1848var.h>
#include <dev/ic/cs4231reg.h>
#include <dev/isa/cs4231var.h>
#include <dev/isa/wssreg.h>
#include <dev/isa/ymvar.h>
int ym_isapnp_match __P((struct device *, struct cfdata *, void *));
void ym_isapnp_attach __P((struct device *, struct device *, void *));
struct cfattach ym_isapnp_ca = {
sizeof(struct ym_softc), ym_isapnp_match, ym_isapnp_attach
};
/*
* Probe / attach routines.
*/
/*
* Probe for the Yamaha hardware.
*/
int
ym_isapnp_match(parent, match, aux)
struct device *parent;
struct cfdata *match;
void *aux;
{
int pri, variant;
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pri = isapnp_devmatch(aux, &isapnp_ym_devinfo, &variant);
if (pri && variant > 0)
pri = 0;
return (pri);
}
/*
* Attach hardware to driver, attach hardware driver to audio
* pseudo-device driver.
*/
void
ym_isapnp_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct ym_softc *sc = (struct ym_softc *)self;
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struct ad1848_softc *ac = &sc->sc_ad1848.sc_ad1848;
struct isapnp_attach_args *ipa = aux;
printf("\n");
if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
printf("%s: error in region allocation\n", self->dv_xname);
return;
}
sc->sc_iot = ipa->ipa_iot;
sc->sc_ic = ipa->ipa_ic;
sc->sc_ioh = ipa->ipa_io[1].h;
sc->ym_irq = ipa->ipa_irq[0].num;
sc->ym_playdrq = ipa->ipa_drq[0].num;
sc->ym_recdrq = ipa->ipa_drq[1].num;
sc->sc_controlioh = ipa->ipa_io[4].h;
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ac->sc_iot = sc->sc_iot;
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if (bus_space_subregion(sc->sc_iot, sc->sc_ioh, WSS_CODEC, AD1848_NPORT,
&ac->sc_ioh)) {
printf("%s: bus_space_subregion failed\n", self->dv_xname);
return;
}
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ac->mode = 2;
ac->MCE_bit = MODE_CHANGE_ENABLE;
ac->chip_name = "OPL3-SA3";
sc->sc_ad1848.sc_ic = sc->sc_ic;
printf("%s: %s %s", self->dv_xname, ipa->ipa_devident,
ipa->ipa_devclass);
ym_attach(sc);
}