1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2009, Oleksandr Tymoshenko <[email protected]> 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 AR7241_GPIO_PINS 20 59 #define AR91XX_GPIO_PINS 22 60 61 struct ar71xx_gpio_softc { 62 device_t dev; 63 device_t busdev; 64 struct mtx gpio_mtx; 65 struct resource *gpio_mem_res; 66 int gpio_mem_rid; 67 struct resource *gpio_irq_res; 68 int gpio_irq_rid; 69 void *gpio_ih; 70 int gpio_npins; 71 struct gpio_pin *gpio_pins; 72 }; 73 74 #endif /* __AR71XX_GPIOVAR_H__ */ 75