gpio.h

#ifndef _RTDM_UAPI_GPIO_H
#define _RTDM_UAPI_GPIO_H

struct rtdm_gpio_readout {
        nanosecs_abs_t timestamp;
        __s32 value;
};

#define GPIO_RTIOC_DIR_OUT      _IOW(RTDM_CLASS_GPIO, 0, int)
#define GPIO_RTIOC_DIR_IN       _IO(RTDM_CLASS_GPIO, 1)
#define GPIO_RTIOC_IRQEN        _IOW(RTDM_CLASS_GPIO, 2, int) /* GPIO trigger */
#define GPIO_RTIOC_IRQDIS       _IO(RTDM_CLASS_GPIO, 3)
#define GPIO_RTIOC_REQS         _IO(RTDM_CLASS_GPIO, 4)
#define GPIO_RTIOC_RELS         _IO(RTDM_CLASS_GPIO, 5)
#define GPIO_RTIOC_TS           _IOR(RTDM_CLASS_GPIO, 7, int)

#define GPIO_TRIGGER_NONE               0x0 /* unspecified */
#define GPIO_TRIGGER_EDGE_RISING        0x1
#define GPIO_TRIGGER_EDGE_FALLING       0x2
#define GPIO_TRIGGER_LEVEL_HIGH         0x4
#define GPIO_TRIGGER_LEVEL_LOW          0x8
#define GPIO_TRIGGER_MASK               0xf

#endif /* !_RTDM_UAPI_GPIO_H */