NetBSD/sys/dev/isapnp/aha_isapnp.c

144 lines
4.3 KiB
C
Raw Normal View History

/* $NetBSD: aha_isapnp.c,v 1.3 1999/03/22 10:00:10 mycroft Exp $ */
1998-11-23 23:47:51 +03:00
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Christos Zoulas.
*
* 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 <sys/param.h>
#include <sys/systm.h>
#include <sys/conf.h>
#include <sys/device.h>
#include <machine/bus.h>
#include <dev/scsipi/scsi_all.h>
#include <dev/scsipi/scsipi_all.h>
#include <dev/scsipi/scsiconf.h>
#include <dev/isa/isavar.h>
#include <dev/isapnp/isapnpreg.h>
#include <dev/isapnp/isapnpvar.h>
#include <dev/isapnp/isapnpdevs.h>
#include <dev/ic/ahareg.h>
#include <dev/ic/ahavar.h>
int aha_isapnp_probe __P((struct device *, struct cfdata *, void *));
void aha_isapnp_attach __P((struct device *, struct device *, void *));
struct cfattach aha_isapnp_ca = {
sizeof(struct aha_softc), aha_isapnp_probe, aha_isapnp_attach
};
int
aha_isapnp_probe(parent, match, aux)
struct device *parent;
struct cfdata *match;
void *aux;
{
int pri, variant;
1999-03-22 12:44:12 +03:00
pri = isapnp_devmatch(aux, &isapnp_aha_devinfo, &variant);
if (pri && variant > 0)
pri = 0;
return (pri);
1998-11-23 23:47:51 +03:00
}
void
aha_isapnp_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct aha_softc *sc = (void *)self;
struct aha_probe_data apd;
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",
sc->sc_dev.dv_xname);
return;
}
sc->sc_iot = ipa->ipa_iot;
sc->sc_ioh = ipa->ipa_io[0].h;
sc->sc_dmat = ipa->ipa_dmat;
if (!aha_find(sc->sc_iot, sc->sc_ioh, &apd)) {
printf("%s: aha_find failed\n", sc->sc_dev.dv_xname);
return;
}
if (ipa->ipa_ndrq == 0) {
if (apd.sc_drq != -1) {
printf("%s: no PnP drq, but card has one\n",
sc->sc_dev.dv_xname);
return;
}
} else if (apd.sc_drq != ipa->ipa_drq[0].num) {
printf("%s: card drq # (%d) != PnP # (%d)\n",
sc->sc_dev.dv_xname, apd.sc_drq, ipa->ipa_drq[0].num);
return;
} else {
int error = isa_dmacascade(ipa->ipa_ic, ipa->ipa_drq[0].num);
if (error) {
printf("%s: unable to cascade DRQ, error = %d\n",
sc->sc_dev.dv_xname, error);
return;
}
}
if (apd.sc_irq != ipa->ipa_irq[0].num) {
printf("%s: card irq # (%d) != PnP # (%d)\n",
sc->sc_dev.dv_xname, apd.sc_irq, ipa->ipa_irq[0].num);
return;
}
sc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num,
ipa->ipa_irq[0].type, IPL_BIO, aha_intr, sc);
if (sc->sc_ih == NULL) {
printf("%s: couldn't establish interrupt\n",
sc->sc_dev.dv_xname);
return;
}
aha_attach(sc, &apd);
}