/* * Linux Broadcom BCM47xx GPIO char driver * * Copyright 2007, Broadcom Corporation * All Rights Reserved. * * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. * */ #ifndef _linux_gpio_h_ #define _linux_gpio_h_ struct gpio_ioctl { uint32 mask; uint32 val; }; #define GPIO_IOC_MAGIC 'G' /* reserve/release a gpio to the caller */ #define GPIO_IOC_RESERVE _IOWR(GPIO_IOC_MAGIC, 1, struct gpio_ioctl) #define GPIO_IOC_RELEASE _IOWR(GPIO_IOC_MAGIC, 2, struct gpio_ioctl) /* ioctls to read/write the gpio registers */ #define GPIO_IOC_OUT _IOWR(GPIO_IOC_MAGIC, 3, struct gpio_ioctl) #define GPIO_IOC_IN _IOWR(GPIO_IOC_MAGIC, 4, struct gpio_ioctl) #define GPIO_IOC_OUTEN _IOWR(GPIO_IOC_MAGIC, 5, struct gpio_ioctl) #endif /* _linux_gpio_h_ */