158 lines
4.6 KiB
C
158 lines
4.6 KiB
C
/* $NetBSD: sb_isapnp.c,v 1.43 2005/01/13 15:14:03 kent 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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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: sb_isapnp.c,v 1.43 2005/01/13 15:14:03 kent Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/errno.h>
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#include <sys/ioctl.h>
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#include <sys/syslog.h>
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#include <sys/device.h>
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#include <sys/proc.h>
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#include <machine/bus.h>
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#include <sys/audioio.h>
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#include <dev/audio_if.h>
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#include <dev/midi_if.h>
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#include <dev/mulaw.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/isa/sbreg.h>
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#include <dev/isa/sbvar.h>
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#include <dev/isa/sbdspvar.h>
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int sb_isapnp_match(struct device *, struct cfdata *, void *);
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void sb_isapnp_attach(struct device *, struct device *, void *);
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CFATTACH_DECL(sb_isapnp, sizeof(struct sbdsp_softc),
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sb_isapnp_match, sb_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 soundblaster hardware.
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*/
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int
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sb_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_sb_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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sb_isapnp_attach(struct device *parent, struct device *self, void *aux)
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{
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struct sbdsp_softc *sc;
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struct isapnp_attach_args *ipa;
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sc = (struct sbdsp_softc *)self;
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ipa = aux;
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printf("\n");
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/*
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* Avance logic ALS100+ does not like being frobbed
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* trying to set irq/drq so set that quirk skip over it
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*/
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if(!strcmp(ipa->ipa_devlogic, "@@@1001"))
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sc->sc_quirks = SB_QUIRK_NO_INIT_DRQ;
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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",
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sc->sc_dev.dv_xname);
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return;
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}
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sc->sc_ic = ipa->ipa_ic;
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sc->sc_iot = ipa->ipa_iot;
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sc->sc_ioh = ipa->ipa_io[0].h;
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/* XXX These are only for setting chip configuration registers. */
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sc->sc_iobase = ipa->ipa_io[0].base;
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sc->sc_irq = ipa->ipa_irq[0].num;
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sc->sc_drq8 = ipa->ipa_drq[0].num;
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if (ipa->ipa_ndrq > 1 && ipa->ipa_drq[0].num != ipa->ipa_drq[1].num) {
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/* Some cards have the 16 bit drq first */
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if (sc->sc_drq8 >= 4) {
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sc->sc_drq16 = sc->sc_drq8;
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sc->sc_drq8 = ipa->ipa_drq[1].num;
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} else
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sc->sc_drq16 = ipa->ipa_drq[1].num;
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} else
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sc->sc_drq16 = -1;
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#if NMPU > 0
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if (ipa->ipa_nio > 1) {
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sc->sc_hasmpu = 1;
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sc->sc_mpu_iot = ipa->ipa_iot;
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sc->sc_mpu_ioh = ipa->ipa_io[1].h;
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}
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#endif
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if (!sbmatch(sc)) {
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printf("%s: sbmatch failed\n", sc->sc_dev.dv_xname);
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return;
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}
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sc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num,
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ipa->ipa_irq[0].type, IPL_AUDIO, sbdsp_intr, sc);
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printf("%s: %s %s", sc->sc_dev.dv_xname, ipa->ipa_devident,
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ipa->ipa_devclass);
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sbattach(sc);
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}
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