/*
 * Copyright (c) 1995, David Greenman
 * 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 unmodified, 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.
 *
 * $FreeBSD: src/sys/dev/ed/if_ed_isa.c,v 1.15 2003/10/31 18:31:58 brooks Exp $
 */

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/socket.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <sys/interrupt.h>
#include <sys/rman.h>

#include <net/ethernet.h>
#include <net/if.h>
#include <net/if_arp.h>
#include <net/if_mib.h>

#include <bus/isa/isavar.h>

#include "if_edvar.h"

static int ed_isa_probe		(device_t);
static int ed_isa_attach	(device_t);
static int ed_isa_detach	(device_t);

static struct isa_pnp_id ed_ids[] = {
	{ 0x1684a34d,	NULL },		/* SMC8416 */
	{ 0xd680d041,	NULL },		/* PNP80d6 */
	{ 0x1980635e,	NULL },		/* WSC8019 */
	{ 0x0131d805,	NULL },		/* ANX3101 */
	{ 0x01200507,	NULL },		/* AXE2001 */
	{ 0x19808c4a,	NULL },		/* RTL8019 */
	{ 0x0090252a,	NULL },		/* JQE9000 */
	{ 0x0020832e,	NULL },		/* KTC2000 */
	{ 0x4cf48906,	NULL },		/* ATIf44c */
	{ 0,		NULL }
};

static int
ed_isa_probe(device_t dev)
{
	int flags = device_get_flags(dev);
	int error = 0;

	/* Check isapnp ids */
	error = ISA_PNP_PROBE(device_get_parent(dev), dev, ed_ids);

	/* If the card had a PnP ID that didn't match any we know about */
	if (error == ENXIO) {
		goto end;
	}

	/* If we had some other problem. */
	if (!(error == 0 || error == ENOENT)) {
		goto end;
	}

	/* Heuristic probes */

	error = ed_probe_WD80x3(dev, 0, flags);
	if (error == 0)
		goto end;
	ed_release_resources(dev);

	error = ed_probe_3Com(dev, 0, flags);
	if (error == 0)
		goto end;
	ed_release_resources(dev);

	error = ed_probe_SIC(dev, 0, flags);
	if (error == 0)
		goto end;
	ed_release_resources(dev);

	error = ed_probe_Novell(dev, 0, flags);
	if (error == 0)
		goto end;
	ed_release_resources(dev);

	error = ed_probe_HP_pclanp(dev, 0, flags);
	if (error == 0)
		goto end;
	ed_release_resources(dev);

end:
	if (error == 0)
		error = ed_alloc_irq(dev, 0, 0);

	ed_release_resources(dev);
	return (error);
}

static int
ed_isa_attach(device_t dev)
{
	struct ed_softc *sc = device_get_softc(dev);
	int error;
	
	if (sc->port_used > 0)
		ed_alloc_port(dev, sc->port_rid, sc->port_used);
	if (sc->mem_used)
		ed_alloc_memory(dev, sc->mem_rid, sc->mem_used);

	ed_alloc_irq(dev, sc->irq_rid, 0);

	error = ed_attach(dev);
	if (error == 0) {
		struct ifnet *ifp = &sc->arpcom.ac_if;

		error = bus_setup_intr(dev, sc->irq_res, INTR_MPSAFE,
				       edintr, sc, &sc->irq_handle,
				       ifp->if_serializer);
		if (error) {
			ed_isa_detach(dev);
		} else {
			ifp->if_cpuid = rman_get_cpuid(sc->irq_res);
			KKASSERT(ifp->if_cpuid >= 0 && ifp->if_cpuid < ncpus);
		}
	} else {
		ed_release_resources(dev);
	}
	return (error);
}

static int
ed_isa_detach(device_t dev)
{
        struct ed_softc *sc = device_get_softc(dev);
        struct ifnet *ifp = &sc->arpcom.ac_if;

        lwkt_serialize_enter(ifp->if_serializer);

        if (sc->gone) {
                device_printf(dev, "already unloaded\n");
		lwkt_serialize_exit(ifp->if_serializer);
                return (0);
        }
        ed_stop(sc);
        ifp->if_flags &= ~IFF_RUNNING;
        sc->gone = 1;
        bus_teardown_intr(dev, sc->irq_res, sc->irq_handle);

        lwkt_serialize_exit(ifp->if_serializer);

        ether_ifdetach(ifp);
        ed_release_resources(dev);
        return (0);
}

static device_method_t ed_isa_methods[] = {
	/* Device interface */
	DEVMETHOD(device_probe,		ed_isa_probe),
	DEVMETHOD(device_attach,	ed_isa_attach),
	DEVMETHOD(device_attach,	ed_isa_detach),

	{ 0, 0 }
};

static driver_t ed_isa_driver = {
	"ed",
	ed_isa_methods,
	sizeof(struct ed_softc)
};

DRIVER_MODULE(if_ed, isa, ed_isa_driver, ed_devclass, NULL, NULL);
MODULE_DEPEND(if_ed, isa, 1, 1, 1);