LCOM1920-T02G10

#ifndef __INCLUDE_GPIO_H__

#define __INCLUDE_GPIO_H__

struct gpio

{

        int nr;                        /* GPIO number */

        int mode;                /* GPIO mode (input=0/output=1) */

};

#define GPIO_MODE_INPUT 0

#define GPIO_MODE_OUTPUT 1

int gpio_init(void);

/* request access to a gpio */

int gpio_claim(char *owner, int nr, struct gpio **gpio);

/* Configure the GPIO for a certain purpose */

int gpio_pin_mode(struct gpio *gpio, int mode);

/* Set the value for a GPIO */

int gpio_set(struct gpio *gpio, int value);

/* Read the current value of the GPIO */

int gpio_read(struct gpio *gpio, int *value);

/* Read and clear the value interrupt value of the GPIO */

int gpio_intr_read(struct gpio *gpio, int *value);

/* Interrupt hook */

int gpio_intr_message(message * m);

int gpio_release(void);

#endif /* __INCLUDE_GPIO_H__ */