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/**
 * @file drv_io_expander.h
 *
 * IO expander device API
 */

#pragma once

#include <stdint.h>
#include <sys/ioctl.h>

/*
 * ioctl() definitions
 */

#define _IOXIOCBASE		(0x2800)
#define _IOXIOC(_n)		(_IOC(_IOXIOCBASE, _n))

/** set a bitmask (non-blocking) */
#define IOX_SET_MASK		_IOXIOC(1)

/** get a bitmask (blocking) */
#define IOX_GET_MASK		_IOXIOC(2)

/** set device mode (non-blocking) */
#define IOX_SET_MODE		_IOXIOC(3)

/** set constant values (non-blocking) */
#define IOX_SET_VALUE		_IOXIOC(4)

/* ... to IOX_SET_VALUE + 8 */

/* enum passed to RGBLED_SET_MODE ioctl()*/
enum IOX_MODE {
	IOX_MODE_OFF,
	IOX_MODE_ON,
	IOX_MODE_TEST_OUT
};