1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2009, Oleksandr Tymoshenko <gonzo@FreeBSD.org>
5 * Copyright (c) 2009, Luiz Otavio O Souza.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice unmodified, this list of conditions, and the following
13 *    disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 * $FreeBSD$
31 *
32 */
33
34#ifndef __AR71XX_GPIOVAR_H__
35#define __AR71XX_GPIOVAR_H__
36
37#define GPIO_LOCK(_sc)		mtx_lock(&(_sc)->gpio_mtx)
38#define GPIO_UNLOCK(_sc)	mtx_unlock(&(_sc)->gpio_mtx)
39#define GPIO_LOCK_ASSERT(_sc)	mtx_assert(&(_sc)->gpio_mtx, MA_OWNED)
40
41/*
42 * register space access macros
43 */
44#define GPIO_WRITE(sc, reg, val)	do {	\
45		bus_write_4(sc->gpio_mem_res, (reg), (val)); \
46	} while (0)
47
48#define GPIO_READ(sc, reg)	 bus_read_4(sc->gpio_mem_res, (reg))
49
50#define GPIO_SET_BITS(sc, reg, bits)	\
51	GPIO_WRITE(sc, reg, GPIO_READ(sc, (reg)) | (bits))
52
53#define GPIO_CLEAR_BITS(sc, reg, bits)	\
54	GPIO_WRITE(sc, reg, GPIO_READ(sc, (reg)) & ~(bits))
55
56#define	AR71XX_GPIO_PINS	12
57#define	AR724X_GPIO_PINS	18
58#define	AR91XX_GPIO_PINS	22
59
60struct ar71xx_gpio_softc {
61	device_t		dev;
62	device_t		busdev;
63	struct mtx		gpio_mtx;
64	struct resource		*gpio_mem_res;
65	int			gpio_mem_rid;
66	struct resource		*gpio_irq_res;
67	int			gpio_irq_rid;
68	void			*gpio_ih;
69	int			gpio_npins;
70	struct gpio_pin		*gpio_pins;
71};
72
73#endif	/* __AR71XX_GPIOVAR_H__ */
74