/* $NetBSD: iic_eumb.c,v 1.20 2022/07/22 23:43:24 thorpej Exp $ */

/*-
 * Copyright (c) 2010,2011 Frank Wille.
 * All rights reserved.
 *
 * Written by Frank Wille for The NetBSD Project.
 *
 * 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: iic_eumb.c,v 1.20 2022/07/22 23:43:24 thorpej Exp $");

#include <sys/param.h>
#include <sys/device.h>

#include <sys/bus.h>
#include <dev/i2c/motoi2cvar.h>
#include <sandpoint/sandpoint/eumbvar.h>

static int  iic_eumb_match(device_t, cfdata_t, void *);
static void iic_eumb_attach(device_t, device_t, void *);

CFATTACH_DECL_NEW(iic_eumb, sizeof(struct motoi2c_softc),
    iic_eumb_match, iic_eumb_attach, NULL, NULL);

static int found;

static int
iic_eumb_match(device_t parent, cfdata_t cf, void *aux)
{

	return found == 0;
}

static void
iic_eumb_attach(device_t parent, device_t self, void *aux)
{
	struct motoi2c_softc *sc = device_private(self);
	struct eumb_attach_args *eaa = aux;
	bus_space_handle_t ioh;

	sc->sc_dev = self;
	found = 1;

	aprint_naive("\n");
	aprint_normal("\n");

	/*
	 * map EUMB registers and attach MI motoi2c with default settings
	 */
	bus_space_map(eaa->eumb_bt, 0x3000, 0x20, 0, &ioh);
	sc->sc_iot = eaa->eumb_bt;
	sc->sc_ioh = ioh;
	motoi2c_attach(sc, NULL);
}