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_isa.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  * $FreeBSD: stable/4/sys/dev/an/if_an_isa.c 110173 2003-02-01 03:25:13Z ambrisko $
   33  */
   34 
   35 /*
   36  * Aironet 4500/4800 802.11 PCMCIA/ISA/PCI driver for FreeBSD.
   37  *
   38  * Written by Bill Paul <wpaul@ctr.columbia.edu>
   39  * Electrical Engineering Department
   40  * Columbia University, New York City
   41  */
   42 
   43 #include "opt_inet.h"
   44 #ifdef INET
   45 #define ANCACHE
   46 #endif
   47 
   48 #include <sys/param.h>
   49 #include <sys/systm.h>
   50 #include <sys/sockio.h>
   51 #include <sys/mbuf.h>
   52 #include <sys/kernel.h>
   53 #include <sys/socket.h>
   54 
   55 #include <sys/module.h>
   56 #include <sys/bus.h>
   57 #include <machine/bus.h>
   58 #include <sys/rman.h>
   59 #include <machine/resource.h>
   60 
   61 #include <net/if.h>
   62 #include <net/if_arp.h>
   63 #include <net/ethernet.h>
   64 #include <net/if_dl.h>
   65 #include <net/if_types.h>
   66 #include <net/if_media.h>
   67 
   68 #include <isa/isavar.h>
   69 #include <isa/pnpvar.h>
   70 
   71 #include <dev/an/if_aironet_ieee.h>
   72 #include <dev/an/if_anreg.h>
   73 
   74 #ifndef lint
   75 static const char rcsid[] =
   76  "$FreeBSD: stable/4/sys/dev/an/if_an_isa.c 110173 2003-02-01 03:25:13Z ambrisko $";
   77 #endif
   78 
   79 static struct isa_pnp_id an_ids[] = {
   80         { 0x0100ec06, "Aironet ISA4500/ISA4800" },
   81         { 0, NULL }
   82 };
   83 
   84 static int an_probe_isa         __P((device_t));
   85 static int an_attach_isa        __P((device_t));
   86 static int an_detach_isa        __P((device_t));
   87 
   88 static int
   89 an_probe_isa(dev)
   90         device_t                dev;
   91 {
   92         int                     error = 0;
   93 
   94         error = ISA_PNP_PROBE(device_get_parent(dev), dev, an_ids);
   95         if (error == ENXIO)
   96                 return(error);
   97 
   98         error = an_probe(dev);
   99         an_release_resources(dev);
  100         if (error == 0)
  101                 return (ENXIO);
  102 
  103         error = an_alloc_irq(dev, 0, 0);
  104         an_release_resources(dev);
  105         if (!error)
  106                 device_set_desc(dev, "Aironet ISA4500/ISA4800");
  107         return (error);
  108 }
  109 
  110 static int
  111 an_attach_isa(dev)
  112         device_t dev;
  113 {
  114         struct an_softc *sc = device_get_softc(dev);
  115         int flags = device_get_flags(dev);
  116         int error;
  117 
  118         an_alloc_port(dev, sc->port_rid, 1);
  119         an_alloc_irq(dev, sc->irq_rid, 0);
  120 
  121         error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET,
  122                                an_intr, sc, &sc->irq_handle);
  123         if (error) {
  124                 an_release_resources(dev);
  125                 return (error);
  126         }
  127 
  128         sc->an_bhandle = rman_get_bushandle(sc->port_res);
  129         sc->an_btag = rman_get_bustag(sc->port_res);
  130         sc->an_dev = dev;
  131 
  132         return an_attach(sc, device_get_unit(dev), flags);
  133 }
  134 
  135 static int
  136 an_detach_isa(device_t dev)
  137 {
  138         struct an_softc         *sc = device_get_softc(dev);
  139         struct ifnet            *ifp = &sc->arpcom.ac_if;
  140 
  141         an_stop(sc);
  142         ifmedia_removeall(&sc->an_ifmedia);
  143         ether_ifdetach(ifp, ETHER_BPF_SUPPORTED);
  144         bus_teardown_intr(dev, sc->irq_res, sc->irq_handle);
  145         an_release_resources(dev);
  146 
  147         return (0);
  148 }
  149 
  150 static device_method_t an_isa_methods[] = {
  151         /* Device interface */
  152         DEVMETHOD(device_probe,         an_probe_isa),
  153         DEVMETHOD(device_attach,        an_attach_isa),
  154         DEVMETHOD(device_detach,        an_detach_isa),
  155         DEVMETHOD(device_shutdown,      an_shutdown),
  156         { 0, 0 }
  157 };
  158 
  159 static driver_t an_isa_driver = {
  160         "an",
  161         an_isa_methods,
  162         sizeof(struct an_softc)
  163 };
  164 
  165 static devclass_t an_isa_devclass;
  166 
  167 DRIVER_MODULE(if_an, isa, an_isa_driver, an_isa_devclass, 0, 0);

Cache object: 63bda8ef36080dc4896b337cab67a084


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