1/*-
2 * Copyright (c) 2009 Oleksandr Tymoshenko <gonzo@freebsd.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD$
27 *
28 */
29
30#ifndef	__GPIOBUS_H__
31#define	__GPIOBUS_H__
32
33#include <sys/param.h>
34#include <sys/lock.h>
35#include <sys/mutex.h>
36
37#define GPIOBUS_IVAR(d) (struct gpiobus_ivar *) device_get_ivars(d)
38#define GPIOBUS_SOFTC(d) (struct gpiobus_softc *) device_get_softc(d)
39
40struct gpiobus_softc
41{
42	struct mtx	sc_mtx;		/* bus mutex */
43	device_t	sc_busdev;	/* bus device */
44	device_t	sc_owner;	/* bus owner */
45	device_t	sc_dev;		/* driver device */
46	int		sc_npins;	/* total pins on bus */
47	int		*sc_pins_mapped; /* mark mapped pins */
48};
49
50
51struct gpiobus_ivar
52{
53	uint32_t	npins;	/* pins total */
54	uint32_t	*pins;	/* pins map */
55};
56
57#endif	/* __GPIOBUS_H__ */
58