root/sys/dev/netif/sn/if_sn_pccard.c
/*
 * Copyright (c) 1999 M. Warner Losh <imp@village.org> 
 * All rights reserved.
 *
 * 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 AUTHOR ``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 AUTHOR 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.
 *
 * $FreeBSD: src/sys/dev/sn/if_sn_pccard.c,v 1.3.2.2 2001/01/25 19:40:27 imp Exp $
 */

/*
 * Modifications for Megahertz X-Jack Ethernet Card (XJ-10BT)
 * 
 * Copyright (c) 1996 by Tatsumi Hosokawa <hosokawa@jp.FreeBSD.org>
 *                       BSD-nomads, Tokyo, Japan.
 */

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/socket.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <sys/rman.h>
 
#include <net/ethernet.h> 
#include <net/if.h> 
#include <net/if_arp.h>
#include <net/if_media.h>

#include <machine/clock.h>

#include "if_snreg.h"
#include "if_snvar.h"
#include <bus/pccard/pccardvar.h>

#include "card_if.h"
#include "pccarddevs.h"

static const struct pccard_product sn_pccard_products[] = {
        PCMCIA_CARD(DSPSI, XJACK, 0),
        PCMCIA_CARD(NEWMEDIA, BASICS, 0),
#if 0
        PCMCIA_CARD(SMC, 8020BT, 0),
#endif
        { NULL }
};

static int
sn_pccard_match(device_t dev)
{
        const struct pccard_product *pp;

        if ((pp = pccard_product_lookup(dev, sn_pccard_products,
            sizeof(sn_pccard_products[0]), NULL)) != NULL) {
                if (pp->pp_name != NULL)
                        device_set_desc(dev, pp->pp_name);
                return 0;
        }
        return EIO;
}

/*
 * Initialize the device - called from Slot manager.
 */
static int
sn_pccard_probe(device_t dev)
{
        return (sn_probe(dev, 1));
}

static int
sn_pccard_attach(device_t dev)
{
        struct sn_softc *sc = device_get_softc(dev);
        int i;
        uint8_t sum;
        const uint8_t *ether_addr;

        sc->pccard_enaddr = 0;
        ether_addr = pccard_get_ether(dev);
        for (i = 0, sum = 0; i < ETHER_ADDR_LEN; i++)
                sum |= ether_addr[i];
        if (sum) {
                sc->pccard_enaddr = 1;
                bcopy(ether_addr, sc->arpcom.ac_enaddr, ETHER_ADDR_LEN);
        }

        return (sn_attach(dev));
}

static int
sn_pccard_detach(device_t dev)
{
        struct sn_softc *sc = device_get_softc(dev);
        struct ifnet *ifp = &sc->arpcom.ac_if;

        lwkt_serialize_enter(ifp->if_serializer);
        ifp->if_flags &= ~IFF_RUNNING;
        bus_teardown_intr(dev, sc->irq_res, sc->intrhand);
        lwkt_serialize_enter(ifp->if_serializer);

        ether_ifdetach(&sc->arpcom.ac_if);
        sn_deactivate(dev);

        return 0;
}

static device_method_t sn_pccard_methods[] = {
        /* Device interface */
        DEVMETHOD(device_probe,         pccard_compat_probe),
        DEVMETHOD(device_attach,        pccard_compat_attach),
        DEVMETHOD(device_detach,        sn_pccard_detach),

        /* Card interface */
        DEVMETHOD(card_compat_match,    sn_pccard_match),
        DEVMETHOD(card_compat_probe,    sn_pccard_probe),
        DEVMETHOD(card_compat_attach,   sn_pccard_attach),

        DEVMETHOD_END
};

static driver_t sn_pccard_driver = {
        "sn",
        sn_pccard_methods,
        sizeof(struct sn_softc),
};

extern devclass_t sn_devclass;

DRIVER_MODULE(if_sn, pccard, sn_pccard_driver, sn_devclass, NULL, NULL);