atkbdc_isa.c

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    1 /*-
    2  * Copyright (c) 1999 Kazutaka YOKOTA (yokota@zodiac.mech.utsunomiya-u.ac.jp)
    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  * 3. The name of the author may not be used to endorse or promote 
   14  *    products derived from this software without specific prior written 
   15  *    permission.
   16  *
   17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   27  * SUCH DAMAGE.
   28  *
   29  * $FreeBSD$
   30  */
   31 
   32 #include "atkbdc.h"
   33 #include "opt_kbd.h"
   34 
   35 #if NATKBDC > 0
   36 
   37 #include <sys/param.h>
   38 #include <sys/systm.h>
   39 #include <sys/kernel.h>
   40 
   41 #include <dev/kbd/atkbdcreg.h>
   42 
   43 #include <i386/isa/isa.h>
   44 #include <i386/isa/isa_device.h>
   45 
   46 static int      atkbdc_probe(struct isa_device *dev);
   47 static int      atkbdc_attach(struct isa_device *dev);
   48 
   49 struct isa_driver atkbdcdriver = {
   50         atkbdc_probe,
   51         atkbdc_attach,
   52         ATKBDC_DRIVER_NAME,
   53         0,
   54 };
   55 
   56 static int
   57 atkbdc_probe(struct isa_device *dev)
   58 {
   59         atkbdc_softc_t *sc;
   60         int error;
   61 
   62         sc = atkbdc_get_softc(dev->id_unit);
   63         if (sc == NULL)
   64                 return 0;
   65 
   66         error = atkbdc_probe_unit(sc, dev->id_unit, dev->id_iobase);
   67         if (error)
   68                 return 0;
   69         if (dev->id_iobase <= 0)
   70                 dev->id_iobase = sc->port;
   71         return IO_KBDSIZE;
   72 }
   73 
   74 static int
   75 atkbdc_attach(struct isa_device *dev)
   76 {
   77         atkbdc_softc_t *sc;
   78         
   79         sc = atkbdc_get_softc(dev->id_unit);
   80         return ((sc == NULL) ? 0 : 1);
   81 }
   82 
   83 #endif /* NATKBDC > 0 */

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FreeBSD/Linux Kernel Cross Reference sys/i386/isa/atkbdc_isa.c

FreeBSD/Linux Kernel Cross Reference
sys/i386/isa/atkbdc_isa.c