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/sn/if_sn_isa.c

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    1 /*-
    2  * Copyright (c) 1999 M. Warner Losh
    3  * 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  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   15  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   16  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   17  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   18  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   19  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   20  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   21  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   24  *
   25  */
   26 
   27 #include <sys/cdefs.h>
   28 __FBSDID("$FreeBSD$");
   29 
   30 #include <sys/param.h>
   31 #include <sys/kernel.h>
   32 #include <sys/socket.h>
   33 
   34 #include <sys/module.h>
   35 #include <sys/bus.h>
   36 
   37 #include <machine/bus.h>
   38 #include <machine/resource.h>
   39 
   40 #include <net/ethernet.h> 
   41 #include <net/if.h>
   42 #include <net/if_arp.h>
   43 
   44 #include <isa/isavar.h>
   45 
   46 #include <dev/sn/if_snvar.h>
   47 
   48 static int              sn_isa_probe(device_t);
   49 static int              sn_isa_attach(device_t);
   50 
   51 static int
   52 sn_isa_probe (device_t dev)
   53 {
   54         if (isa_get_logicalid(dev))             /* skip PnP probes */
   55                 return (ENXIO);
   56         if (sn_probe(dev) != 0)
   57                 return (ENXIO);
   58         return (0);
   59 }
   60 
   61 static int
   62 sn_isa_attach (device_t dev)
   63 {
   64         struct sn_softc *sc = device_get_softc(dev);
   65         int err;
   66 
   67         sc->dev = dev;
   68         err = sn_activate(dev);
   69         if (err) {
   70                 sn_deactivate(dev);
   71                 return (err);
   72         }
   73         err = sn_attach(dev);
   74         if (err)
   75                 sn_deactivate(dev);
   76         return (err);
   77 }
   78 
   79 static device_method_t sn_isa_methods[] = {
   80         /* Device interface */
   81         DEVMETHOD(device_probe,         sn_isa_probe),
   82         DEVMETHOD(device_attach,        sn_isa_attach),
   83         DEVMETHOD(device_detach,        sn_detach),
   84 
   85         { 0, 0 }
   86 };
   87 
   88 static driver_t sn_isa_driver = {
   89         "sn",
   90         sn_isa_methods,
   91         sizeof(struct sn_softc),
   92 };
   93 
   94 extern devclass_t sn_devclass;
   95 
   96 DRIVER_MODULE(sn, isa, sn_isa_driver, sn_devclass, 0, 0);
   97 MODULE_DEPEND(sn, isa, 1, 1, 1);
   98 MODULE_DEPEND(sn, ether, 1, 1, 1);

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