linux/drivers/input/rmi4/rmi_2d_sensor.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (c) 2011-2016 Synaptics Incorporated
 * Copyright (c) 2011 Unixphere
 */

#ifndef _RMI_2D_SENSOR_H
#define _RMI_2D_SENSOR_H

enum rmi_2d_sensor_object_type { … };

struct rmi_2d_sensor_abs_object { … };

/**
 * @axis_align - controls parameters that are useful in system prototyping
 * and bring up.
 * @max_x - The maximum X coordinate that will be reported by this sensor.
 * @max_y - The maximum Y coordinate that will be reported by this sensor.
 * @nbr_fingers - How many fingers can this sensor report?
 * @data_pkt - buffer for data reported by this sensor.
 * @pkt_size - number of bytes in that buffer.
 * @attn_size - Size of the HID attention report (only contains abs data).
 * position when two fingers are on the device.  When this is true, we
 * assume we have one of those sensors and report events appropriately.
 * @sensor_type - indicates whether we're touchscreen or touchpad.
 * @input - input device for absolute pointing stream
 * @input_phys - buffer for the absolute phys name for this sensor.
 */
struct rmi_2d_sensor { … };

int rmi_2d_sensor_of_probe(struct device *dev,
				struct rmi_2d_sensor_platform_data *pdata);

void rmi_2d_sensor_abs_process(struct rmi_2d_sensor *sensor,
				struct rmi_2d_sensor_abs_object *obj,
				int slot);

void rmi_2d_sensor_abs_report(struct rmi_2d_sensor *sensor,
				struct rmi_2d_sensor_abs_object *obj,
				int slot);

void rmi_2d_sensor_rel_report(struct rmi_2d_sensor *sensor, int x, int y);

int rmi_2d_sensor_configure_input(struct rmi_function *fn,
					struct rmi_2d_sensor *sensor);
#endif /* _RMI_2D_SENSOR_H */