The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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

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    1 /*-
    2  * Copyright (c) 1997, 1998, 1999
    3  *      Bill Paul <wpaul@ctr.columbia.edu>.  All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  * 3. All advertising materials mentioning features or use of this software
   14  *    must display the following acknowledgement:
   15  *      This product includes software developed by Bill Paul.
   16  * 4. Neither the name of the author nor the names of any co-contributors
   17  *    may be used to endorse or promote products derived from this software
   18  *    without specific prior written permission.
   19  *
   20  * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
   21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   23  * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
   24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
   30  * THE POSSIBILITY OF SUCH DAMAGE.
   31  */
   32 /*
   33  * Aironet 4500/4800 802.11 PCMCIA/ISA/PCI driver for FreeBSD.
   34  *
   35  * Written by Bill Paul <wpaul@ctr.columbia.edu>
   36  * Electrical Engineering Department
   37  * Columbia University, New York City
   38  */
   39 
   40 #include <sys/cdefs.h>
   41 __FBSDID("$FreeBSD: releng/6.2/sys/dev/an/if_an_pccard.c 147580 2005-06-24 14:36:54Z imp $");
   42 
   43 #include "opt_inet.h"
   44 
   45 #ifdef INET
   46 #define ANCACHE
   47 #endif
   48 
   49 #include <sys/param.h>
   50 #include <sys/systm.h>
   51 #include <sys/socket.h>
   52 #include <sys/kernel.h>
   53 
   54 #include <sys/module.h>
   55 #include <sys/bus.h>
   56 #include <machine/bus.h>
   57 #include <sys/rman.h>
   58 #include <sys/lock.h>
   59 #include <sys/mutex.h>
   60 #include <machine/resource.h>
   61 
   62 #include <net/if.h>
   63 #include <net/if_arp.h>
   64 #include <net/ethernet.h>
   65 #include <net/if_dl.h>
   66 #include <net/if_types.h>
   67 #include <net/if_media.h>
   68 
   69 #include <dev/an/if_aironet_ieee.h>
   70 #include <dev/an/if_anreg.h>
   71 
   72 #include <dev/pccard/pccardvar.h>
   73 
   74 #include "pccarddevs.h"
   75 #include "card_if.h"
   76 
   77 /*
   78  * Support for PCMCIA cards.
   79  */
   80 static int  an_pccard_match(device_t);
   81 static int  an_pccard_probe(device_t);
   82 static int  an_pccard_attach(device_t);
   83 
   84 static device_method_t an_pccard_methods[] = {
   85         /* Device interface */
   86         DEVMETHOD(device_probe,         pccard_compat_probe),
   87         DEVMETHOD(device_attach,        pccard_compat_attach),
   88         DEVMETHOD(device_detach,        an_detach),
   89         DEVMETHOD(device_shutdown,      an_shutdown),
   90 
   91         /* Card interface */
   92         DEVMETHOD(card_compat_match,    an_pccard_match),
   93         DEVMETHOD(card_compat_probe,    an_pccard_probe),
   94         DEVMETHOD(card_compat_attach,   an_pccard_attach),
   95 
   96         { 0, 0 }
   97 };
   98 
   99 static driver_t an_pccard_driver = {
  100         "an",
  101         an_pccard_methods,
  102         sizeof(struct an_softc)
  103 };
  104 
  105 static devclass_t an_pccard_devclass;
  106 
  107 DRIVER_MODULE(an, pccard, an_pccard_driver, an_pccard_devclass, 0, 0);
  108 MODULE_DEPEND(an, wlan, 1, 1, 1);
  109 
  110 static const struct pccard_product an_pccard_products[] = {
  111         PCMCIA_CARD(AIRONET, PC4800),
  112         PCMCIA_CARD(AIRONET, PC4500),
  113         PCMCIA_CARD(AIRONET, 350),
  114         PCMCIA_CARD(XIRCOM, CWE1130), 
  115         { NULL }
  116 };
  117 
  118 static int
  119 an_pccard_match(device_t dev)
  120 {
  121         const struct pccard_product *pp;
  122 
  123         if ((pp = pccard_product_lookup(dev, an_pccard_products,
  124             sizeof(an_pccard_products[0]), NULL)) != NULL) {
  125                 if (pp->pp_name != NULL)
  126                         device_set_desc(dev, pp->pp_name);
  127                 return (0);
  128         }
  129         return (ENXIO);
  130 }
  131 
  132 static int
  133 an_pccard_probe(device_t dev)
  134 {
  135         int     error;
  136 
  137         error = an_probe(dev); /* 0 is failure for now */
  138         if (error != 0) {
  139                 device_set_desc(dev, "Aironet PC4500/PC4800");
  140                 error = an_alloc_irq(dev, 0, 0);
  141         } else
  142                 error = 1;
  143         an_release_resources(dev);
  144         return (error);
  145 }
  146 
  147 
  148 static int
  149 an_pccard_attach(device_t dev)
  150 {
  151         struct an_softc *sc = device_get_softc(dev);
  152         int flags = device_get_flags(dev);
  153         int error;
  154 
  155         an_alloc_port(dev, sc->port_rid, AN_IOSIZ);
  156         an_alloc_irq(dev, sc->irq_rid, 0);
  157 
  158         sc->an_bhandle = rman_get_bushandle(sc->port_res);
  159         sc->an_btag = rman_get_bustag(sc->port_res);
  160         sc->an_dev = dev;
  161 
  162         error = an_attach(sc, device_get_unit(dev), flags);
  163         if (error) {
  164                 goto fail;
  165         }
  166         
  167         /*
  168          * Must setup the interrupt after the an_attach to prevent racing.
  169          */
  170         error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET,
  171                                an_intr, sc, &sc->irq_handle);
  172         if (error) {
  173                 goto fail;
  174         }
  175 
  176 fail:
  177         if (error)
  178                 an_release_resources(dev);
  179         return (error);
  180 }

Cache object: daf7e9e8145e089cdc1977f4dc024bdf


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