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