NetBSD/sys/dev/isapnp/if_an_isapnp.c

134 lines
4.0 KiB
C

/* $NetBSD: if_an_isapnp.c,v 1.18 2008/04/28 20:23:52 martin Exp $ */
/*-
* Copyright (c) 2000 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe.
*
* 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.
*
* 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.
*/
/*
* ISAPnP bus front-end for the Aironet ISA4500/ISA4800 Wireless LAN Adapter.
* Unlike WaveLAN, this adapter is attached as an ISA device using an address
* decoder hack.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if_an_isapnp.c,v 1.18 2008/04/28 20:23:52 martin Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/malloc.h>
#include <sys/kernel.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <sys/errno.h>
#include <sys/device.h>
#include <sys/callout.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_media.h>
#include <net/if_ether.h>
#include <net80211/ieee80211_netbsd.h>
#include <net80211/ieee80211_var.h>
#include <sys/bus.h>
#include <sys/intr.h>
#include <dev/ic/anreg.h>
#include <dev/ic/anvar.h>
#include <dev/isa/isavar.h>
#include <dev/isapnp/isapnpreg.h>
#include <dev/isapnp/isapnpvar.h>
#include <dev/isapnp/isapnpdevs.h>
int an_isapnp_match(struct device *, struct cfdata *, void *);
void an_isapnp_attach(struct device *, struct device *, void *);
struct an_isapnp_softc {
struct an_softc sc_an; /* real "an" softc */
/* ISA-specific goo. */
void *sc_ih; /* interrupt cookie */
};
CFATTACH_DECL(an_isapnp, sizeof(struct an_isapnp_softc),
an_isapnp_match, an_isapnp_attach, NULL, NULL);
int
an_isapnp_match(struct device *parent, struct cfdata *match,
void *aux)
{
int pri, variant;
pri = isapnp_devmatch(aux, &isapnp_an_devinfo, &variant);
if (pri && variant > 0)
pri = 0;
return (pri);
}
void
an_isapnp_attach(struct device *parent, struct device *self, void *aux)
{
struct an_isapnp_softc *isc = device_private(self);
struct an_softc *sc = &isc->sc_an;
struct isapnp_attach_args *ipa = aux;
printf("\n");
if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
aprint_error_dev(&sc->sc_dev, "can't configure isapnp resources\n");
return;
}
sc->sc_iot = ipa->ipa_iot;
sc->sc_ioh = ipa->ipa_io[0].h;
printf("%s: %s %s\n", device_xname(&sc->sc_dev), ipa->ipa_devident,
ipa->ipa_devclass);
/* This interface is always enabled. */
sc->sc_enabled = 1;
/* Establish the interrupt handler. */
isc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num,
ipa->ipa_irq[0].type, IPL_NET, an_intr, sc);
if (isc->sc_ih == NULL) {
aprint_error_dev(&sc->sc_dev, "couldn't establish interrupt handler\n");
return;
}
if (an_attach(sc) != 0) {
aprint_error_dev(&sc->sc_dev, "failed to attach controller\n");
isa_intr_disestablish(ipa->ipa_ic, isc->sc_ih);
isc->sc_ih = NULL;
}
}