222e32bc49
possible to have different probe/attach semantics between the two
systems and yet still use the same driver for both.
Compatibility methods for OLDCARD drivers. We use these routines to make
it possible to call the OLDCARD driver's probe routine in the context that
it expects. For OLDCARD these are implemented as pass throughs to the
device_{probe,attach} routines. For NEWCARD they are implemented such
such that probe becomes strictly a matching routine and attach does both
the old probe and old attach.
compat devices should use the following:
/* Device interface */
DEVMETHOD(device_probe), pccard_compat_probe),
DEVMETHOD(device_attach), pccard_compat_attach),
/* Card interface */
DEVMETHOD(card_compat_match, foo_match), /* newly written */
DEVMETHOD(card_compat_probe, foo_probe), /* old probe */
DEVMETHOD(card_compat_attach, foo_attach), /* old attach */
This will allow a single driver binary image to be used for both
OLDCARD and NEWCARD.
Drivers wishing to not retain OLDCARD compatibility needn't do this.
ep driver minorly updated.
sn driver updated more than minorly. Add module dependencies to allow
module to load. Also change name to if_sn. Add some debugging code.
attempt to fix the cannot allocate memory problem I'd been seeing.
Minor formatting nits.
137 lines
3.6 KiB
C
137 lines
3.6 KiB
C
/*
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* Copyright (c) 1999 M. Warner Losh <imp@village.org>
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*
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* Modifications for Megahertz X-Jack Ethernet Card (XJ-10BT)
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*
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* Copyright (c) 1996 by Tatsumi Hosokawa <hosokawa@jp.FreeBSD.org>
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* BSD-nomads, Tokyo, Japan.
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/socket.h>
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#include <sys/module.h>
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#include <sys/bus.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <sys/rman.h>
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#include <net/ethernet.h>
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#include <net/if.h>
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#include <net/if_arp.h>
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#include <net/if_media.h>
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#include <machine/clock.h>
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#include <dev/sn/if_snreg.h>
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#include <dev/sn/if_snvar.h>
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#include <dev/pccard/pccardvar.h>
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#include <dev/pccard/pccarddevs.h>
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#include "card_if.h"
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/*
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* Initialize the device - called from Slot manager.
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*/
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static int
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sn_pccard_probe(device_t dev)
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{
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int err;
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printf ("Probing sn driver\n");
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err = sn_probe(dev, 1);
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printf("sn_probe says %d\n", err);
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return (err);
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}
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static int
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sn_pccard_attach(device_t dev)
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{
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struct sn_softc *sc = device_get_softc(dev);
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int i;
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u_char sum;
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u_char ether_addr[ETHER_ADDR_LEN];
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sc->pccard_enaddr = 0;
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pccard_get_ether(dev, ether_addr);
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for (i = 0, sum = 0; i < ETHER_ADDR_LEN; i++)
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sum |= ether_addr[i];
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if (sum) {
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sc->pccard_enaddr = 1;
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bcopy(ether_addr, sc->arpcom.ac_enaddr, ETHER_ADDR_LEN);
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}
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return (sn_attach(dev));
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}
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static int
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sn_pccard_detach(device_t dev)
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{
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struct sn_softc *sc = device_get_softc(dev);
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sc->arpcom.ac_if.if_flags &= ~IFF_RUNNING;
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ether_ifdetach(&sc->arpcom.ac_if, ETHER_BPF_SUPPORTED);
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sn_deactivate(dev);
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return 0;
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}
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static int
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sn_pccard_match(device_t dev)
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{
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return EIO;
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}
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static device_method_t sn_pccard_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, pccard_compat_probe),
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DEVMETHOD(device_attach, pccard_compat_attach),
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DEVMETHOD(device_detach, sn_pccard_detach),
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/* Card interface */
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DEVMETHOD(card_compat_match, sn_pccard_match),
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DEVMETHOD(card_compat_probe, sn_pccard_probe),
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DEVMETHOD(card_compat_attach, sn_pccard_attach),
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{ 0, 0 }
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};
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static driver_t sn_pccard_driver = {
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"sn",
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sn_pccard_methods,
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sizeof(struct sn_softc),
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};
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extern devclass_t sn_devclass;
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DRIVER_MODULE(if_sn, pccard, sn_pccard_driver, sn_devclass, 0, 0);
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MODULE_DEPEND(if_sn, pccard, 1, 1, 1);
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MODULE_DEPEND(if_sn, pcic, 1, 1, 1); /* XXX */
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