gpio-core.h

#ifndef _RTDM_GPIO_CORE_H
#define _RTDM_GPIO_CORE_H

#include <linux/list.h>
#include <rtdm/driver.h>
#include <rtdm/uapi/gpio.h>

struct class;
struct device_node;

struct rtdm_gpio_chip {
        struct gpio_chip *gc;
        struct rtdm_driver driver;
        struct class *devclass;
        struct list_head pins;
        struct list_head next;
        rtdm_lock_t lock;
};

int rtdm_gpiochip_add(struct rtdm_gpio_chip *rgc,
                      struct gpio_chip *gc,
                      int gpio_subclass);

void rtdm_gpiochip_remove(struct rtdm_gpio_chip *rgc);

int rtdm_gpiochip_add_by_name(struct rtdm_gpio_chip *rgc,
                              const char *label, int gpio_subclass);

#ifdef CONFIG_OF

int rtdm_gpiochip_scan_of(struct device_node *from,
                          const char *compat, int type);

void rtdm_gpiochip_remove_of(int type);

extern struct list_head rtdm_gpio_chips;

#endif

#endif /* !_RTDM_GPIO_CORE_H */