FreeBSD/Linux Kernel Cross Reference
sys/dev/an/if_an_pccard.c

     /*-
      * SPDX-License-Identifier: BSD-4-Clause
      *
      * Copyright (c) 1997, 1998, 1999
      *      Bill Paul <wpaul@ctr.columbia.edu>.  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.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by Bill Paul.
     * 4. Neither the name of the author nor the names of any co-contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY Bill Paul 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 Bill Paul OR THE VOICES IN HIS HEAD
     * 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.
     */
    /*
     * Aironet 4500/4800 802.11 PCMCIA/ISA/PCI driver for FreeBSD.
     *
     * Written by Bill Paul <wpaul@ctr.columbia.edu>
     * Electrical Engineering Department
     * Columbia University, New York City
     */
    
    #include <sys/cdefs.h>
    __FBSDID("$FreeBSD: releng/12.0/sys/dev/an/if_an_pccard.c 325966 2017-11-18 14:26:50Z pfg $");
    
    #include "opt_inet.h"
    
    #ifdef INET
    #define ANCACHE
    #endif
    
    #include <sys/param.h>
    #include <sys/systm.h>
    #include <sys/socket.h>
    #include <sys/kernel.h>
    
    #include <sys/module.h>
    #include <sys/bus.h>
    #include <machine/bus.h>
    #include <sys/rman.h>
    #include <sys/lock.h>
    #include <sys/mutex.h>
    #include <machine/resource.h>
    
    #include <net/if.h>
    #include <net/if_arp.h>
    #include <net/ethernet.h>
    #include <net/if_dl.h>
    #include <net/if_types.h>
    #include <net/if_media.h>
    
    #include <dev/an/if_aironet_ieee.h>
    #include <dev/an/if_anreg.h>
    
    #include <dev/pccard/pccardvar.h>
    
    #include "pccarddevs.h"
    #include "card_if.h"
    
    /*
     * Support for PCMCIA cards.
     */
    static int  an_pccard_probe(device_t);
    static int  an_pccard_attach(device_t);
    
    static device_method_t an_pccard_methods[] = {
            /* Device interface */
            DEVMETHOD(device_probe,         an_pccard_probe),
            DEVMETHOD(device_attach,        an_pccard_attach),
            DEVMETHOD(device_detach,        an_detach),
            DEVMETHOD(device_shutdown,      an_shutdown),
    
            { 0, 0 }
    };
    
    static driver_t an_pccard_driver = {
            "an",
            an_pccard_methods,
            sizeof(struct an_softc)
    };
   
   static devclass_t an_pccard_devclass;
   
   DRIVER_MODULE(an, pccard, an_pccard_driver, an_pccard_devclass, 0, 0);
   MODULE_DEPEND(an, wlan, 1, 1, 1);
   
   static const struct pccard_product an_pccard_products[] = {
           PCMCIA_CARD(AIRONET, PC4800),
           PCMCIA_CARD(AIRONET, PC4500),
           PCMCIA_CARD(AIRONET, 350),
           PCMCIA_CARD(XIRCOM, CWE1130), 
           { NULL }
   };
   PCCARD_PNP_INFO(an_pccard_products);
   
   static int
   an_pccard_probe(device_t dev)
   {
           const struct pccard_product *pp;
   
           if ((pp = pccard_product_lookup(dev, an_pccard_products,
               sizeof(an_pccard_products[0]), NULL)) != NULL) {
                   if (pp->pp_name != NULL)
                           device_set_desc(dev, pp->pp_name);
                   return (0);
           }
           return (ENXIO);
   }
   
   static int
   an_pccard_attach(device_t dev)
   {
           struct an_softc *sc = device_get_softc(dev);
           int flags = device_get_flags(dev);
           int     error;
   
           error = an_probe(dev); /* 0 is failure for now */
           if (error == 0) {
                   error = ENXIO;
                   goto fail;
           }
           error = an_alloc_irq(dev, 0, 0);
           if (error != 0)
                   goto fail;
   
           an_alloc_irq(dev, sc->irq_rid, 0);
   
           error = an_attach(sc, flags);
           if (error)
                   goto fail;
           
           /*
            * Must setup the interrupt after the an_attach to prevent racing.
            */
           error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET,
                                  NULL, an_intr, sc, &sc->irq_handle);
   fail:
           if (error)
                   an_release_resources(dev);
           return (error);
   }

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