/*      $NetBSD: isa_machdep_common.c,v 1.7 2011/06/18 06:41:43 matt Exp $      */

/*-
* Copyright (c) 2007 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Tim Rightnour
*
* 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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 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 <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: isa_machdep_common.c,v 1.7 2011/06/18 06:41:43 matt Exp $");

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/syslog.h>
#include <sys/device.h>
#include <sys/intr.h>

#include <machine/pio.h>

#include <dev/isa/isareg.h>
#include <dev/isa/isavar.h>

#define IO_ELCR1        0x4d0
#define IO_ELCR2        0x4d1

const struct evcnt *
genppc_isa_intr_evcnt(isa_chipset_tag_t ic, int irq)
{

       /* XXX for now, no evcnt parent reported */
       return NULL;
}

/*
* Set up an interrupt handler to start being called.
*/
void *
genppc_isa_intr_establish(isa_chipset_tag_t ic, int irq, int type, int level,
   int (*ih_fun)(void *), void *ih_arg)
{

       return (void *)intr_establish(irq, type, level, ih_fun, ih_arg);
}

/*
* Deregister an interrupt handler.
*/
void
genppc_isa_intr_disestablish(isa_chipset_tag_t ic, void *arg)
{

       intr_disestablish(arg);
}

void
genppc_isa_attach_hook(device_t parent, device_t self,
   struct isabus_attach_args *iba)
{

       /* Nothing to do. */
}

void
genppc_isa_detach_hook(isa_chipset_tag_t ic, device_t self)
{

       /* Nothing to do. */
}