/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 *  Copyright (C) 2014, Samsung Electronics Co. Ltd. All Rights Reserved.
 */
#ifndef _SSP_SENSORS_H_
#define _SSP_SENSORS_H_

#include <linux/iio/iio.h>

#define SSP_TIME_SIZE                           4
#define SSP_ACCELEROMETER_SIZE                  6
#define SSP_GYROSCOPE_SIZE                      6
#define SSP_BIO_HRM_RAW_SIZE                    8
#define SSP_BIO_HRM_RAW_FAC_SIZE                36
#define SSP_BIO_HRM_LIB_SIZE                    8

/**
 * enum ssp_sensor_type - SSP sensor type
 */
enum ssp_sensor_type {
        SSP_ACCELEROMETER_SENSOR = 0,
        SSP_GYROSCOPE_SENSOR,
        SSP_GEOMAGNETIC_UNCALIB_SENSOR,
        SSP_GEOMAGNETIC_RAW,
        SSP_GEOMAGNETIC_SENSOR,
        SSP_PRESSURE_SENSOR,
        SSP_GESTURE_SENSOR,
        SSP_PROXIMITY_SENSOR,
        SSP_TEMPERATURE_HUMIDITY_SENSOR,
        SSP_LIGHT_SENSOR,
        SSP_PROXIMITY_RAW,
        SSP_ORIENTATION_SENSOR,
        SSP_STEP_DETECTOR,
        SSP_SIG_MOTION_SENSOR,
        SSP_GYRO_UNCALIB_SENSOR,
        SSP_GAME_ROTATION_VECTOR,
        SSP_ROTATION_VECTOR,
        SSP_STEP_COUNTER,
        SSP_BIO_HRM_RAW,
        SSP_BIO_HRM_RAW_FAC,
        SSP_BIO_HRM_LIB,
        SSP_SENSOR_MAX,
};

struct ssp_data;

/**
 * struct ssp_sensor_data - Sensor object
 * @process_data:       Callback to feed sensor data.
 * @type:               Used sensor type.
 * @buffer:             Received data buffer.
 */
struct ssp_sensor_data {
        int (*process_data)(struct iio_dev *indio_dev, void *buf,
                            int64_t timestamp);
        enum ssp_sensor_type type;
        u8 *buffer;
};

void ssp_register_consumer(struct iio_dev *indio_dev,
                           enum ssp_sensor_type type);

int ssp_enable_sensor(struct ssp_data *data, enum ssp_sensor_type type,
                      u32 delay);

int ssp_disable_sensor(struct ssp_data *data, enum ssp_sensor_type type);

u32 ssp_get_sensor_delay(struct ssp_data *data, enum ssp_sensor_type);

int ssp_change_delay(struct ssp_data *data, enum ssp_sensor_type type,
                     u32 delay);
#endif /* _SSP_SENSORS_H_ */