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kernel/linux-rt-4.4.41/arch/avr32/mach-at32ap/include/mach/gpio.h 939 Bytes
5113f6f70   김현기   kernel add
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  #ifndef __ASM_AVR32_ARCH_GPIO_H
  #define __ASM_AVR32_ARCH_GPIO_H
  
  #include <linux/compiler.h>
  #include <asm/irq.h>
  
  
  /* Some GPIO chips can manage IRQs; some can't.  The exact numbers can
   * be changed if needed, but for the moment they're not configurable.
   */
  #define ARCH_NR_GPIOS	(NR_GPIO_IRQS + 2 * 32)
  
  
  /* Arch-neutral GPIO API, supporting both "native" and external GPIOs. */
  #include <asm-generic/gpio.h>
  
  static inline int gpio_get_value(unsigned int gpio)
  {
  	return __gpio_get_value(gpio);
  }
  
  static inline void gpio_set_value(unsigned int gpio, int value)
  {
  	__gpio_set_value(gpio, value);
  }
  
  static inline int gpio_cansleep(unsigned int gpio)
  {
  	return __gpio_cansleep(gpio);
  }
  
  
  static inline int gpio_to_irq(unsigned int gpio)
  {
  	if (gpio < NR_GPIO_IRQS)
  		return gpio + GPIO_IRQ_BASE;
  	return -EINVAL;
  }
  
  static inline int irq_to_gpio(unsigned int irq)
  {
  	return irq - GPIO_IRQ_BASE;
  }
  
  #endif /* __ASM_AVR32_ARCH_GPIO_H */