1#ifndef __ASM_AVR32_ARCH_GPIO_H 2#define __ASM_AVR32_ARCH_GPIO_H 3 4#include <linux/compiler.h> 5#include <asm/irq.h> 6 7 8/* Some GPIO chips can manage IRQs; some can't. The exact numbers can 9 * be changed if needed, but for the moment they're not configurable. 10 */ 11#define ARCH_NR_GPIOS (NR_GPIO_IRQS + 2 * 32) 12 13 14/* Arch-neutral GPIO API, supporting both "native" and external GPIOs. */ 15#include <asm-generic/gpio.h> 16 17static inline int gpio_get_value(unsigned int gpio) 18{ 19 return __gpio_get_value(gpio); 20} 21 22static inline void gpio_set_value(unsigned int gpio, int value) 23{ 24 __gpio_set_value(gpio, value); 25} 26 27static inline int gpio_cansleep(unsigned int gpio) 28{ 29 return __gpio_cansleep(gpio); 30} 31 32 33static inline int gpio_to_irq(unsigned int gpio) 34{ 35 if (gpio < NR_GPIO_IRQS) 36 return gpio + GPIO_IRQ_BASE; 37 return -EINVAL; 38} 39 40static inline int irq_to_gpio(unsigned int irq) 41{ 42 return irq - GPIO_IRQ_BASE; 43} 44 45#endif /* __ASM_AVR32_ARCH_GPIO_H */ 46