134 lines
3.9 KiB
C
134 lines
3.9 KiB
C
/* $NetBSD: aha_isapnp.c,v 1.15 2008/04/28 20:23:52 martin Exp $ */
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/*-
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Christos Zoulas.
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: aha_isapnp.c,v 1.15 2008/04/28 20:23:52 martin Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/conf.h>
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#include <sys/device.h>
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#include <sys/bus.h>
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#include <dev/scsipi/scsi_all.h>
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#include <dev/scsipi/scsipi_all.h>
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#include <dev/scsipi/scsiconf.h>
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#include <dev/isa/isavar.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/ahareg.h>
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#include <dev/ic/ahavar.h>
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int aha_isapnp_probe(struct device *, struct cfdata *, void *);
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void aha_isapnp_attach(struct device *, struct device *, void *);
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CFATTACH_DECL(aha_isapnp, sizeof(struct aha_softc),
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aha_isapnp_probe, aha_isapnp_attach, NULL, NULL);
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int
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aha_isapnp_probe(struct device *parent, struct cfdata *match,
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void *aux)
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{
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int pri, variant;
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pri = isapnp_devmatch(aux, &isapnp_aha_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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void
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aha_isapnp_attach(struct device *parent, struct device *self,
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void *aux)
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{
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struct aha_softc *sc = device_private(self);
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struct aha_probe_data apd;
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struct isapnp_attach_args *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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aprint_error_dev(&sc->sc_dev, "error in region allocation\n");
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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_ioh = ipa->ipa_io[0].h;
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sc->sc_dmat = ipa->ipa_dmat;
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if (!aha_find(sc->sc_iot, sc->sc_ioh, &apd)) {
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aprint_error_dev(&sc->sc_dev, "aha_find failed\n");
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return;
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}
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if (ipa->ipa_ndrq == 0) {
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if (apd.sc_drq != -1) {
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printf("%s: no PnP drq, but card has one\n",
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device_xname(&sc->sc_dev));
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return;
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}
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} else if (apd.sc_drq != ipa->ipa_drq[0].num) {
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printf("%s: card drq # (%d) != PnP # (%d)\n",
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device_xname(&sc->sc_dev), apd.sc_drq, ipa->ipa_drq[0].num);
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return;
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} else {
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int error = isa_dmacascade(ipa->ipa_ic, ipa->ipa_drq[0].num);
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if (error) {
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aprint_error_dev(&sc->sc_dev, "unable to cascade DRQ, error = %d\n",
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error);
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return;
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}
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}
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if (apd.sc_irq != ipa->ipa_irq[0].num) {
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printf("%s: card irq # (%d) != PnP # (%d)\n",
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device_xname(&sc->sc_dev), apd.sc_irq, ipa->ipa_irq[0].num);
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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_BIO, aha_intr, sc);
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if (sc->sc_ih == NULL) {
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aprint_error_dev(&sc->sc_dev, "couldn't establish interrupt\n");
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return;
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}
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aha_attach(sc, &apd);
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}
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