1/* $NetBSD$ */ 2/*- 3 * Copyright (c) 2007 The NetBSD Foundation, Inc. 4 * All rights reserved. 5 * 6 * This code is derived from software contributed to The NetBSD Foundation 7 * by Matt Thomas 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 */ 30#ifndef _ARM_IMX_IMXGRPIOVAR_H 31#define _ARM_IMX_IMXGRPIOVAR_H 32 33#include <sys/bus.h> 34#include <sys/device.h> 35#include <arm/imx/imxgpioreg.h> /* for GPIO_NPINS */ 36 37void imxgpio_attach_common(device_t, bus_space_tag_t, bus_space_handle_t, 38 int, int, int); 39/* defined imx[35]1_gpio.c */ 40extern const int imxgpio_ngroups; 41int imxgpio_match(device_t, cfdata_t, void *); 42void imxgpio_attach(device_t, device_t, void *); 43 44 45#define GPIO_NO(group, pin) (((group) - 1) * GPIO_NPINS + (pin)) 46#define GPIO_MODULE(pin) ((pin) / GPIO_NPINS) 47 48/* in-kernel GPIO access utility functions */ 49enum GPIO_DIRECTION {GPIO_DIR_IN, GPIO_DIR_OUT}; 50void gpio_set_direction(u_int, enum GPIO_DIRECTION); 51void gpio_data_write(u_int, u_int); 52bool gpio_data_read(u_int); 53#endif /* _ARM_IMX_IMXGRPIOVAR_H */ 54