freebsd/sys/dev/ep/if_ep_mca.c

/*-
 * Copyright (c) 1999 Matthew N. Dodd <winter@jurai.net>
 * 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 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.
 *
 * $FreeBSD$
 */

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/socket.h>

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

#include <machine/bus.h>
#include <machine/resource.h>
#include <sys/rman.h>
 
#include <net/if.h> 
#include <net/if_arp.h>
#include <net/if_media.h>

#include <dev/mca/mca_busreg.h>
#include <dev/mca/mca_busvar.h>

#include <dev/ep/if_epreg.h>
#include <dev/ep/if_epvar.h>

#define EP_MCA_627C	0x627C
#define EP_MCA_627D	0x627D
#define EP_MCA_62DB	0x62db
#define EP_MCA_62F6	0x62f6
#define EP_MCA_62F7	0x62f7

static struct mca_ident ep_mca_devs[] = {
	{ EP_MCA_627C, "3Com 3C529 Network Adapter" },
	{ EP_MCA_627D, "3Com 3C529-TP Network Adapter" },

	/*
	 * These are from the linux 3c509 driver.
	 * I have not seen the ADFs for them and have 
	 * not tested or even seen the hardware.
 	 * Someone with the ADFs should replace the names with
	 * whatever is in the AdapterName field of the ADF.
	 * (and fix the media setup for the cards as well.)
	 */
	{ EP_MCA_62DB, "3Com 3c529 EtherLink III (test mode)" },
	{ EP_MCA_62F6, "3Com 3c529 EtherLink III (TP or coax)" },
	{ EP_MCA_62F7, "3Com 3c529 EtherLink III (TP)" },

	{ 0, NULL },
};

#define EP_MCA_IOPORT_POS	MCA_ADP_POS(MCA_POS2)
#define EP_MCA_IOPORT_MASK	0xfc
#define EP_MCA_IOPORT_SIZE	EP_IOSIZE
#define EP_MCA_IOPORT(pos)	((((u_int32_t)pos & EP_MCA_IOPORT_MASK) \
					| 0x02) << 8)

#define EP_MCA_IRQ_POS		MCA_ADP_POS(MCA_POS3)
#define EP_MCA_IRQ_MASK		0x0f
#define EP_MCA_IRQ(pos)		(pos & EP_MCA_IRQ_MASK)

#define EP_MCA_MEDIA_POS	MCA_ADP_POS(MCA_POS2)
#define EP_MCA_MEDIA_MASK	0x03
#define EP_MCA_MEDIA(pos)	(pos & EP_MCA_MEDIA_MASK)

static int
ep_mca_probe (device_t dev)
{
	const char *	desc;
	u_int32_t       iobase = 0;
	u_int8_t	irq = 0;
	u_int8_t	pos;

	desc = mca_match_id(mca_get_id(dev), ep_mca_devs);
	if (!desc)
		return (ENXIO);
	device_set_desc(dev, desc);

	pos = mca_pos_read(dev, EP_MCA_IOPORT_POS);
	iobase = EP_MCA_IOPORT(pos);

	pos = mca_pos_read(dev, EP_MCA_IRQ_POS);
	irq = EP_MCA_IRQ(pos);

	mca_add_iospace(dev, iobase, EP_MCA_IOPORT_SIZE);
	mca_add_irq(dev, irq);

	return (0);
}

static int
ep_mca_attach (device_t dev)
{
	struct ep_softc *	sc = device_get_softc(dev);
	int			error = 0;

	if ((error = ep_alloc(dev))) {
		device_printf(dev, "ep_alloc() failed! (%d)\n", error);
		goto bad;
	}
	sc->stat = F_ACCESS_32_BITS;

	ep_get_media(sc);

	GO_WINDOW(0);
	SET_IRQ(BASE, rman_get_start(sc->irq));

	if ((error = ep_attach(sc))) {
		device_printf(dev, "ep_attach() failed! (%d)\n", error);
		goto bad;
	}

	if ((error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET, ep_intr,
				   sc, &sc->ep_intrhand))) {
		device_printf(dev, "bus_setup_intr() failed! (%d)\n", error);
		goto bad;
	}

	return (0);
bad:
	ep_free(dev);
	return (error);
}

static device_method_t ep_mca_methods[] = {
	/* Device interface */
	DEVMETHOD(device_probe,		ep_mca_probe),
	DEVMETHOD(device_attach,	ep_mca_attach),

	{ 0, 0 }
};

static driver_t ep_mca_driver = {
	"ep",
	ep_mca_methods,
	sizeof(struct ep_softc),
};

static devclass_t ep_devclass;

DRIVER_MODULE(ep, mca, ep_mca_driver, ep_devclass, 0, 0);