1/* 2 * Linux Broadcom BCM47xx GPIO char driver 3 * 4 * Copyright 2007, Broadcom Corporation 5 * All Rights Reserved. 6 * 7 * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY 8 * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM 9 * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS 10 * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. 11 * 12 * $Id: linux_gpio.h,v 1.1.1.1 2008/10/15 03:25:54 james26_jang Exp $ 13 */ 14 15#ifndef _linux_gpio_h_ 16#define _linux_gpio_h_ 17 18struct gpio_ioctl { 19 uint32 mask; 20 uint32 val; 21}; 22 23#define GPIO_IOC_MAGIC 'G' 24 25/* reserve/release a gpio to the caller */ 26#define GPIO_IOC_RESERVE _IOWR(GPIO_IOC_MAGIC, 1, struct gpio_ioctl) 27#define GPIO_IOC_RELEASE _IOWR(GPIO_IOC_MAGIC, 2, struct gpio_ioctl) 28/* ioctls to read/write the gpio registers */ 29#define GPIO_IOC_OUT _IOWR(GPIO_IOC_MAGIC, 3, struct gpio_ioctl) 30#define GPIO_IOC_IN _IOWR(GPIO_IOC_MAGIC, 4, struct gpio_ioctl) 31#define GPIO_IOC_OUTEN _IOWR(GPIO_IOC_MAGIC, 5, struct gpio_ioctl) 32 33#endif /* _linux_gpio_h_ */ 34