1/* 2 * include/asm-sh/gpio.h 3 * 4 * Generic GPIO API and pinmux table support for SuperH. 5 * 6 * Copyright (c) 2008 Magnus Damm 7 * 8 * This file is subject to the terms and conditions of the GNU General Public 9 * License. See the file "COPYING" in the main directory of this archive 10 * for more details. 11 */ 12#ifndef __ASM_SH_GPIO_H 13#define __ASM_SH_GPIO_H 14 15#include <linux/kernel.h> 16#include <linux/errno.h> 17 18#if defined(CONFIG_CPU_SH3) 19#include <cpu/gpio.h> 20#endif 21 22#define ARCH_NR_GPIOS 512 23#include <linux/sh_pfc.h> 24 25#ifdef CONFIG_GPIOLIB 26 27static inline int gpio_get_value(unsigned gpio) 28{ 29 return __gpio_get_value(gpio); 30} 31 32static inline void gpio_set_value(unsigned gpio, int value) 33{ 34 __gpio_set_value(gpio, value); 35} 36 37static inline int gpio_cansleep(unsigned gpio) 38{ 39 return __gpio_cansleep(gpio); 40} 41 42static inline int gpio_to_irq(unsigned gpio) 43{ 44 WARN_ON(1); 45 return -ENOSYS; 46} 47 48static inline int irq_to_gpio(unsigned int irq) 49{ 50 WARN_ON(1); 51 return -EINVAL; 52} 53 54#endif /* CONFIG_GPIOLIB */ 55 56#endif /* __ASM_SH_GPIO_H */ 57