FreeBSD/Linux Kernel Cross Reference
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);

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