linux_dsm_epyc7002/drivers/input/rmi4/rmi_2d_sensor.h
Andrew Duggan aaa27982b3 Input: synaptics-rmi4 - add device tree support for 2d sensors and F11
2D sensors have several parameter which can be set in the platform data.
This patch adds support for getting those values from devicetree.

Signed-off-by: Andrew Duggan <aduggan@synaptics.com>
Tested-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2016-03-10 16:04:05 -08:00

88 lines
2.4 KiB
C

/*
* Copyright (c) 2011-2016 Synaptics Incorporated
* Copyright (c) 2011 Unixphere
*
* 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 _RMI_2D_SENSOR_H
#define _RMI_2D_SENSOR_H
enum rmi_2d_sensor_object_type {
RMI_2D_OBJECT_NONE,
RMI_2D_OBJECT_FINGER,
RMI_2D_OBJECT_STYLUS,
RMI_2D_OBJECT_PALM,
RMI_2D_OBJECT_UNCLASSIFIED,
};
struct rmi_2d_sensor_abs_object {
enum rmi_2d_sensor_object_type type;
int mt_tool;
u16 x;
u16 y;
u8 z;
u8 wx;
u8 wy;
};
/**
* @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 {
struct rmi_2d_axis_alignment axis_align;
struct input_mt_pos *tracking_pos;
int *tracking_slots;
bool kernel_tracking;
struct rmi_2d_sensor_abs_object *objs;
int dmax;
u16 min_x;
u16 max_x;
u16 min_y;
u16 max_y;
u8 nbr_fingers;
u8 *data_pkt;
int pkt_size;
int attn_size;
bool topbuttonpad;
enum rmi_sensor_type sensor_type;
struct input_dev *input;
struct rmi_function *fn;
char input_phys[32];
u8 report_abs;
u8 report_rel;
u8 x_mm;
u8 y_mm;
};
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 */