sys/arch/hp700/stand/common/lf.c

   1 /*      $NetBSD: lf.c,v 1.4 2006/01/25 18:28:26 christos Exp $  */
   2
   3 /*      $OpenBSD: lf.c,v 1.3 1999/04/20 20:01:02 mickey Exp $   */
   4
   5 /*
   6  * Copyright (c) 1998-2004 Michael Shalayeff
   7  * All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  21  * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
  22  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  23  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  24  * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  26  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  27  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  28  * THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #include "libsa.h"
  32 #include <machine/pdc.h>
  33 #include <machine/iomod.h>
  34 #include <machine/param.h>
  35
  36 #include "dev_hppa.h"
  37
  38 int
  39 lfopen(struct open_file *f, ...)
  40 {
  41         struct hppa_dev *dp = f->f_devdata;
  42
  43         if (!(dp->pz_dev = pdc_findev(-1, PCL_NET_MASK|PCL_SEQU)))
  44                 return ENXIO;
  45
  46         return 0;
  47 }
  48
  49 int
  50 lfclose(struct open_file *f)
  51 {
  52         dealloc(f->f_devdata, sizeof(struct hppa_dev));
  53         f->f_devdata = NULL;
  54         return 0;
  55 }
  56