/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2011-2016 Synaptics Incorporated
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* Copyright (c) 2011 Unixphere
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*/
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#ifndef _RMI_2D_SENSOR_H
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#define _RMI_2D_SENSOR_H
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enum rmi_2d_sensor_object_type {
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RMI_2D_OBJECT_NONE,
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RMI_2D_OBJECT_FINGER,
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RMI_2D_OBJECT_STYLUS,
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RMI_2D_OBJECT_PALM,
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RMI_2D_OBJECT_UNCLASSIFIED,
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};
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struct rmi_2d_sensor_abs_object {
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enum rmi_2d_sensor_object_type type;
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int mt_tool;
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u16 x;
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u16 y;
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u8 z;
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u8 wx;
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u8 wy;
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};
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/**
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* @axis_align - controls parameters that are useful in system prototyping
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* and bring up.
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* @max_x - The maximum X coordinate that will be reported by this sensor.
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* @max_y - The maximum Y coordinate that will be reported by this sensor.
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* @nbr_fingers - How many fingers can this sensor report?
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* @data_pkt - buffer for data reported by this sensor.
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* @pkt_size - number of bytes in that buffer.
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* @attn_size - Size of the HID attention report (only contains abs data).
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* position when two fingers are on the device. When this is true, we
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* assume we have one of those sensors and report events appropriately.
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* @sensor_type - indicates whether we're touchscreen or touchpad.
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* @input - input device for absolute pointing stream
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* @input_phys - buffer for the absolute phys name for this sensor.
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*/
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struct rmi_2d_sensor {
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struct rmi_2d_axis_alignment axis_align;
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struct input_mt_pos *tracking_pos;
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int *tracking_slots;
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bool kernel_tracking;
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struct rmi_2d_sensor_abs_object *objs;
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int dmax;
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u16 min_x;
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u16 max_x;
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u16 min_y;
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u16 max_y;
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u8 nbr_fingers;
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u8 *data_pkt;
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int pkt_size;
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int attn_size;
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bool topbuttonpad;
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enum rmi_sensor_type sensor_type;
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struct input_dev *input;
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struct rmi_function *fn;
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char input_phys[32];
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u8 report_abs;
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u8 report_rel;
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u8 x_mm;
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u8 y_mm;
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enum rmi_reg_state dribble;
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enum rmi_reg_state palm_detect;
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};
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int rmi_2d_sensor_of_probe(struct device *dev,
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struct rmi_2d_sensor_platform_data *pdata);
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void rmi_2d_sensor_abs_process(struct rmi_2d_sensor *sensor,
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struct rmi_2d_sensor_abs_object *obj,
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int slot);
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void rmi_2d_sensor_abs_report(struct rmi_2d_sensor *sensor,
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struct rmi_2d_sensor_abs_object *obj,
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int slot);
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void rmi_2d_sensor_rel_report(struct rmi_2d_sensor *sensor, int x, int y);
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int rmi_2d_sensor_configure_input(struct rmi_function *fn,
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struct rmi_2d_sensor *sensor);
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#endif /* _RMI_2D_SENSOR_H */
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