freebsd-nq/sys/dev/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.
 *
 * $FreeBSD$
 */

/*
 * 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 <machine/bus.h>
#include <machine/resource.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 <dev/sn/if_snreg.h>
#include <dev/sn/if_snvar.h>
#include <dev/pccard/pccardvar.h>

/*
 * 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;
	u_char sum;
	u_char ether_addr[ETHER_ADDR_LEN];

	sc->pccard_enaddr = 0;
	pccard_get_ether(dev, ether_addr);
	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);

	sc->arpcom.ac_if.if_flags &= ~IFF_RUNNING; 
	ether_ifdetach(&sc->arpcom.ac_if, ETHER_BPF_SUPPORTED);
	sn_deactivate(dev);
	return 0;
}

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

	{ 0, 0 }
};

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

extern devclass_t sn_devclass;

DRIVER_MODULE(sn, pccard, sn_pccard_driver, sn_devclass, 0, 0);