/*-
 * Copyright (c) 2009-2010 The FreeBSD Foundation
 * All rights reserved.
 *
 * This software was developed by Semihalf under sponsorship from
 * the FreeBSD Foundation.
 *
 * 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 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 AUTHOR 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>
__FBSDID("$FreeBSD$");

#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/bus.h>

#include <machine/bus.h>
#include <machine/intr_machdep.h>
#include <machine/openpicvar.h>

#include <dev/ofw/ofw_bus.h>
#include <dev/ofw/ofw_bus_subr.h>

#include "pic_if.h"

static int openpic_fdt_probe(device_t);
static uint32_t openpic_fdt_id(device_t);

static device_method_t openpic_fdt_methods[] = {
	/* Device interface */
	DEVMETHOD(device_probe,		openpic_fdt_probe),
	DEVMETHOD(device_attach,	openpic_attach),

	/* PIC interface */
	DEVMETHOD(pic_bind,		openpic_bind),
	DEVMETHOD(pic_config,		openpic_config),
	DEVMETHOD(pic_dispatch,		openpic_dispatch),
	DEVMETHOD(pic_enable,		openpic_enable),
	DEVMETHOD(pic_eoi,		openpic_eoi),
	DEVMETHOD(pic_ipi,		openpic_ipi),
	DEVMETHOD(pic_mask,		openpic_mask),
	DEVMETHOD(pic_unmask,		openpic_unmask),
	DEVMETHOD(pic_id,		openpic_fdt_id),

	{ 0, 0 },
};

static driver_t openpic_fdt_driver = {
	"openpic",
	openpic_fdt_methods,
	sizeof(struct openpic_softc)
};

DRIVER_MODULE(openpic, simplebus, openpic_fdt_driver, openpic_devclass, 0, 0);

static int
openpic_fdt_probe(device_t dev)
{

	if (!ofw_bus_is_compatible(dev, "chrp,open-pic"))
		return (ENXIO);
		
	device_set_desc(dev, OPENPIC_DEVSTR);
	return (BUS_PROBE_DEFAULT);
}

static uint32_t
openpic_fdt_id(device_t dev)
{

	return (ofw_bus_get_node(dev));
}