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/isapnp/if_an_isapnp.c

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    1 /*      $NetBSD: if_an_isapnp.c,v 1.9 2004/01/28 15:07:52 onoe Exp $    */
    2 
    3 /*-
    4  * Copyright (c) 2000 The NetBSD Foundation, Inc.
    5  * All rights reserved.
    6  *
    7  * This code is derived from software contributed to The NetBSD Foundation
    8  * by Jason R. Thorpe.
    9  *
   10  * Redistribution and use in source and binary forms, with or without
   11  * modification, are permitted provided that the following conditions
   12  * are met:
   13  * 1. Redistributions of source code must retain the above copyright
   14  *    notice, this list of conditions and the following disclaimer.
   15  * 2. Redistributions in binary form must reproduce the above copyright
   16  *    notice, this list of conditions and the following disclaimer in the
   17  *    documentation and/or other materials provided with the distribution.
   18  * 3. All advertising materials mentioning features or use of this software
   19  *    must display the following acknowledgement:
   20  *      This product includes software developed by the NetBSD
   21  *      Foundation, Inc. and its contributors.
   22  * 4. Neither the name of The NetBSD Foundation nor the names of its
   23  *    contributors may be used to endorse or promote products derived
   24  *    from this software without specific prior written permission.
   25  *
   26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   36  * POSSIBILITY OF SUCH DAMAGE.
   37  */
   38 
   39 /*
   40  * ISAPnP bus front-end for the Aironet ISA4500/ISA4800 Wireless LAN Adapter.
   41  * Unlike WaveLAN, this adapter is attached as an ISA device using an address
   42  * decoder hack.
   43  */
   44 
   45 #include <sys/cdefs.h>
   46 __KERNEL_RCSID(0, "$NetBSD: if_an_isapnp.c,v 1.9 2004/01/28 15:07:52 onoe Exp $");
   47 
   48 #include <sys/param.h>
   49 #include <sys/systm.h>
   50 #include <sys/mbuf.h>
   51 #include <sys/malloc.h>
   52 #include <sys/kernel.h>
   53 #include <sys/socket.h>
   54 #include <sys/ioctl.h>
   55 #include <sys/errno.h>
   56 #include <sys/device.h>
   57 #include <sys/callout.h>
   58 
   59 #include <net/if.h>
   60 #include <net/if_dl.h>
   61 #include <net/if_media.h>
   62 #include <net/if_ether.h>
   63 
   64 #include <net80211/ieee80211_var.h>
   65 #include <net80211/ieee80211_compat.h>
   66 
   67 #include <machine/bus.h>
   68 #include <machine/intr.h>
   69 
   70 #include <dev/ic/anreg.h>
   71 #include <dev/ic/anvar.h>
   72 
   73 #include <dev/isa/isavar.h>
   74 
   75 #include <dev/isapnp/isapnpreg.h>
   76 #include <dev/isapnp/isapnpvar.h>
   77 #include <dev/isapnp/isapnpdevs.h>
   78 
   79 int     an_isapnp_match(struct device *, struct cfdata *, void *);
   80 void    an_isapnp_attach(struct device *, struct device *, void *);
   81 
   82 struct an_isapnp_softc {
   83         struct an_softc sc_an;                  /* real "an" softc */
   84 
   85         /* ISA-specific goo. */
   86         void    *sc_ih;                         /* interrupt cookie */
   87 };
   88 
   89 CFATTACH_DECL(an_isapnp, sizeof(struct an_isapnp_softc),
   90     an_isapnp_match, an_isapnp_attach, NULL, NULL);
   91 
   92 int
   93 an_isapnp_match(struct device *parent, struct cfdata *match, void *aux)
   94 {
   95         int pri, variant;
   96 
   97         pri = isapnp_devmatch(aux, &isapnp_an_devinfo, &variant);
   98         if (pri && variant > 0)
   99                 pri = 0;
  100         return (pri);
  101 }
  102 
  103 void
  104 an_isapnp_attach(struct device *parent, struct device *self, void *aux)
  105 {
  106         struct an_isapnp_softc *isc = (void *) self;
  107         struct an_softc *sc = &isc->sc_an;
  108         struct isapnp_attach_args *ipa = aux;
  109 
  110         printf("\n");
  111 
  112         if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
  113                 printf("%s: can't configure isapnp resources\n",
  114                     sc->sc_dev.dv_xname);
  115                 return;
  116         }
  117 
  118         sc->sc_iot = ipa->ipa_iot;
  119         sc->sc_ioh = ipa->ipa_io[0].h;
  120 
  121         printf("%s: %s %s\n", sc->sc_dev.dv_xname, ipa->ipa_devident,
  122             ipa->ipa_devclass);
  123 
  124         /* This interface is always enabled. */
  125         sc->sc_enabled = 1;
  126 
  127         /* Establish the interrupt handler. */
  128         isc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num,
  129             ipa->ipa_irq[0].type, IPL_NET, an_intr, sc);
  130         if (isc->sc_ih == NULL)
  131                 printf("%s: couldn't establish interrupt handler\n",
  132                     sc->sc_dev.dv_xname);
  133 
  134         if (an_attach(sc) != 0) {
  135                 printf("%s: failed to attach controller\n",
  136                     sc->sc_dev.dv_xname);
  137                 isa_intr_disestablish(ipa->ipa_ic, isc->sc_ih);
  138                 isc->sc_ih = NULL;
  139         }
  140 }

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