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events.h000064400000002556151710200220006217 0ustar00/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/* The industrial I/O - event passing to userspace
 *
 * Copyright (c) 2008-2011 Jonathan Cameron
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published by
 * the Free Software Foundation.
 */
#ifndef _IIO_EVENTS_H_
#define _IIO_EVENTS_H_

#include <linux/ioctl.h>
#include <linux/types.h>

/**
 * struct iio_event_data - The actual event being pushed to userspace
 * @id:		event identifier
 * @timestamp:	best estimate of time of event occurrence (often from
 *		the interrupt handler)
 */
struct iio_event_data {
	__u64	id;
	__s64	timestamp;
};

#define IIO_GET_EVENT_FD_IOCTL _IOR('i', 0x90, int)

#define IIO_EVENT_CODE_EXTRACT_TYPE(mask) ((mask >> 56) & 0xFF)

#define IIO_EVENT_CODE_EXTRACT_DIR(mask) ((mask >> 48) & 0x7F)

#define IIO_EVENT_CODE_EXTRACT_CHAN_TYPE(mask) ((mask >> 32) & 0xFF)

/* Event code number extraction depends on which type of event we have.
 * Perhaps review this function in the future*/
#define IIO_EVENT_CODE_EXTRACT_CHAN(mask) ((__s16)(mask & 0xFFFF))
#define IIO_EVENT_CODE_EXTRACT_CHAN2(mask) ((__s16)(((mask) >> 16) & 0xFFFF))

#define IIO_EVENT_CODE_EXTRACT_MODIFIER(mask) ((mask >> 40) & 0xFF)
#define IIO_EVENT_CODE_EXTRACT_DIFF(mask) (((mask) >> 55) & 0x1)

#endif /* _IIO_EVENTS_H_ */
types.h000064400000003631151710200220006052 0ustar00/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/* industrial I/O data types needed both in and out of kernel
 *
 * Copyright (c) 2008 Jonathan Cameron
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published by
 * the Free Software Foundation.
 */

#ifndef _IIO_TYPES_H_
#define _IIO_TYPES_H_

enum iio_chan_type {
	IIO_VOLTAGE,
	IIO_CURRENT,
	IIO_POWER,
	IIO_ACCEL,
	IIO_ANGL_VEL,
	IIO_MAGN,
	IIO_LIGHT,
	IIO_INTENSITY,
	IIO_PROXIMITY,
	IIO_TEMP,
	IIO_INCLI,
	IIO_ROT,
	IIO_ANGL,
	IIO_TIMESTAMP,
	IIO_CAPACITANCE,
	IIO_ALTVOLTAGE,
	IIO_CCT,
	IIO_PRESSURE,
	IIO_HUMIDITYRELATIVE,
	IIO_ACTIVITY,
	IIO_STEPS,
	IIO_ENERGY,
	IIO_DISTANCE,
	IIO_VELOCITY,
	IIO_CONCENTRATION,
	IIO_RESISTANCE,
	IIO_PH,
	IIO_UVINDEX,
	IIO_ELECTRICALCONDUCTIVITY,
	IIO_COUNT,
	IIO_INDEX,
	IIO_GRAVITY,
};

enum iio_modifier {
	IIO_NO_MOD,
	IIO_MOD_X,
	IIO_MOD_Y,
	IIO_MOD_Z,
	IIO_MOD_X_AND_Y,
	IIO_MOD_X_AND_Z,
	IIO_MOD_Y_AND_Z,
	IIO_MOD_X_AND_Y_AND_Z,
	IIO_MOD_X_OR_Y,
	IIO_MOD_X_OR_Z,
	IIO_MOD_Y_OR_Z,
	IIO_MOD_X_OR_Y_OR_Z,
	IIO_MOD_LIGHT_BOTH,
	IIO_MOD_LIGHT_IR,
	IIO_MOD_ROOT_SUM_SQUARED_X_Y,
	IIO_MOD_SUM_SQUARED_X_Y_Z,
	IIO_MOD_LIGHT_CLEAR,
	IIO_MOD_LIGHT_RED,
	IIO_MOD_LIGHT_GREEN,
	IIO_MOD_LIGHT_BLUE,
	IIO_MOD_QUATERNION,
	IIO_MOD_TEMP_AMBIENT,
	IIO_MOD_TEMP_OBJECT,
	IIO_MOD_NORTH_MAGN,
	IIO_MOD_NORTH_TRUE,
	IIO_MOD_NORTH_MAGN_TILT_COMP,
	IIO_MOD_NORTH_TRUE_TILT_COMP,
	IIO_MOD_RUNNING,
	IIO_MOD_JOGGING,
	IIO_MOD_WALKING,
	IIO_MOD_STILL,
	IIO_MOD_ROOT_SUM_SQUARED_X_Y_Z,
	IIO_MOD_I,
	IIO_MOD_Q,
	IIO_MOD_CO2,
	IIO_MOD_VOC,
	IIO_MOD_LIGHT_UV,
};

enum iio_event_type {
	IIO_EV_TYPE_THRESH,
	IIO_EV_TYPE_MAG,
	IIO_EV_TYPE_ROC,
	IIO_EV_TYPE_THRESH_ADAPTIVE,
	IIO_EV_TYPE_MAG_ADAPTIVE,
	IIO_EV_TYPE_CHANGE,
};

enum iio_event_direction {
	IIO_EV_DIR_EITHER,
	IIO_EV_DIR_RISING,
	IIO_EV_DIR_FALLING,
	IIO_EV_DIR_NONE,
};

#endif /* _IIO_TYPES_H_ */