xref: /src/sys/arch/hppa/stand/common/lf.c

/*	$NetBSD: lf.c,v 1.1 2014/02/24 07:23:43 skrll Exp $	*/

/*	$OpenBSD: lf.c,v 1.3 1999/04/20 20:01:02 mickey Exp $	*/

/*
 * Copyright (c) 1998-2004 Michael Shalayeff
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "libsa.h"
#include <machine/pdc.h>
#include <machine/iomod.h>
#include <machine/param.h>

#include "dev_hppa.h"

int
lfopen(struct open_file *f, ...)
{
	struct hppa_dev *dp = f->f_devdata;

	if (!(dp->pz_dev = pdc_findev(-1, PCL_NET_MASK|PCL_SEQU)))
		return ENXIO;

	return 0;
}

int
lfclose(struct open_file *f)
{
	dealloc(f->f_devdata, sizeof(struct hppa_dev));
	f->f_devdata = NULL;
	return 0;
}