150 lines
4.3 KiB
C
150 lines
4.3 KiB
C
/* $NetBSD: ym_isapnp.c,v 1.19 2006/03/29 06:51:47 thorpej Exp $ */
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/*
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* Copyright (c) 1991-1993 Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the Computer Systems
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* Engineering Group at Lawrence Berkeley Laboratory.
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* 4. Neither the name of the University nor of the Laboratory may be used
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* to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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/*
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* Driver for the Yamaha OPL3-SA3 chipset. This is found on many laptops
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* and Pentium (II) motherboards.
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*
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* Original code from OpenBSD.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: ym_isapnp.c,v 1.19 2006/03/29 06:51:47 thorpej Exp $");
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#include "mpu_ym.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <sys/errno.h>
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#include <sys/audioio.h>
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#include <dev/audio_if.h>
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#include <dev/isa/isavar.h>
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#include <dev/isa/isadmavar.h>
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#include <dev/isapnp/isapnpreg.h>
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#include <dev/isapnp/isapnpvar.h>
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#include <dev/isapnp/isapnpdevs.h>
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#include <dev/ic/ad1848reg.h>
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#include <dev/isa/ad1848var.h>
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#include <dev/ic/cs4231reg.h>
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#include <dev/isa/cs4231var.h>
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#include <dev/ic/opl3sa3reg.h>
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#include <dev/isa/wssreg.h>
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#include <dev/isa/ymvar.h>
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int ym_isapnp_match(struct device *, struct cfdata *, void *);
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void ym_isapnp_attach(struct device *, struct device *, void *);
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CFATTACH_DECL(ym_isapnp, sizeof(struct ym_softc),
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ym_isapnp_match, ym_isapnp_attach, NULL, NULL);
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/*
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* Probe / attach routines.
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*/
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/*
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* Probe for the Yamaha hardware.
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*/
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int
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ym_isapnp_match(struct device *parent, struct cfdata *match, void *aux)
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{
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int pri, variant;
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pri = isapnp_devmatch(aux, &isapnp_ym_devinfo, &variant);
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if (pri && variant > 0)
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pri = 0;
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return pri;
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}
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/*
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* Attach hardware to driver, attach hardware driver to audio
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* pseudo-device driver.
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*/
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void
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ym_isapnp_attach(struct device *parent, struct device *self, void *aux)
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{
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struct ym_softc *sc;
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struct ad1848_softc *ac;
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struct isapnp_attach_args *ipa;
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sc = device_private(self);
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ac = &sc->sc_ad1848.sc_ad1848;
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ipa = aux;
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printf("\n");
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if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
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printf("%s: error in region allocation\n", self->dv_xname);
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return;
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}
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sc->sc_iot = ipa->ipa_iot;
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sc->sc_ic = ipa->ipa_ic;
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sc->sc_ioh = ipa->ipa_io[1].h;
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sc->ym_irq = ipa->ipa_irq[0].num;
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sc->ym_playdrq = ipa->ipa_drq[0].num;
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sc->ym_recdrq = ipa->ipa_drq[1].num;
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sc->sc_sb_ioh = ipa->ipa_io[0].h;
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sc->sc_opl_ioh = ipa->ipa_io[2].h;
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#if NMPU_YM > 0
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sc->sc_mpu_ioh = ipa->ipa_io[3].h;
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#endif
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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,
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&ac->sc_ioh)) {
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printf("%s: bus_space_subregion failed\n", self->dv_xname);
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return;
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}
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ac->mode = 2;
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ac->MCE_bit = MODE_CHANGE_ENABLE;
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sc->sc_ad1848.sc_ic = sc->sc_ic;
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printf("%s: %s %s", self->dv_xname, ipa->ipa_devident,
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ipa->ipa_devclass);
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ym_attach(sc);
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}
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