cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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rmi_2d_sensor.h (2376B)

      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 * Copyright (c) 2011-2016 Synaptics Incorporated
      4 * Copyright (c) 2011 Unixphere
      5 */
      6
      7#ifndef _RMI_2D_SENSOR_H
      8#define _RMI_2D_SENSOR_H
      9
     10enum rmi_2d_sensor_object_type {
     11	RMI_2D_OBJECT_NONE,
     12	RMI_2D_OBJECT_FINGER,
     13	RMI_2D_OBJECT_STYLUS,
     14	RMI_2D_OBJECT_PALM,
     15	RMI_2D_OBJECT_UNCLASSIFIED,
     16};
     17
     18struct rmi_2d_sensor_abs_object {
     19	enum rmi_2d_sensor_object_type type;
     20	int mt_tool;
     21	u16 x;
     22	u16 y;
     23	u8 z;
     24	u8 wx;
     25	u8 wy;
     26};
     27
     28/**
     29 * @axis_align - controls parameters that are useful in system prototyping
     30 * and bring up.
     31 * @max_x - The maximum X coordinate that will be reported by this sensor.
     32 * @max_y - The maximum Y coordinate that will be reported by this sensor.
     33 * @nbr_fingers - How many fingers can this sensor report?
     34 * @data_pkt - buffer for data reported by this sensor.
     35 * @pkt_size - number of bytes in that buffer.
     36 * @attn_size - Size of the HID attention report (only contains abs data).
     37 * position when two fingers are on the device.  When this is true, we
     38 * assume we have one of those sensors and report events appropriately.
     39 * @sensor_type - indicates whether we're touchscreen or touchpad.
     40 * @input - input device for absolute pointing stream
     41 * @input_phys - buffer for the absolute phys name for this sensor.
     42 */
     43struct rmi_2d_sensor {
     44	struct rmi_2d_axis_alignment axis_align;
     45	struct input_mt_pos *tracking_pos;
     46	int *tracking_slots;
     47	bool kernel_tracking;
     48	struct rmi_2d_sensor_abs_object *objs;
     49	int dmax;
     50	u16 min_x;
     51	u16 max_x;
     52	u16 min_y;
     53	u16 max_y;
     54	u8 nbr_fingers;
     55	u8 *data_pkt;
     56	int pkt_size;
     57	int attn_size;
     58	bool topbuttonpad;
     59	enum rmi_sensor_type sensor_type;
     60	struct input_dev *input;
     61	struct rmi_function *fn;
     62	char input_phys[32];
     63	u8 report_abs;
     64	u8 report_rel;
     65	u8 x_mm;
     66	u8 y_mm;
     67	enum rmi_reg_state dribble;
     68	enum rmi_reg_state palm_detect;
     69};
     70
     71int rmi_2d_sensor_of_probe(struct device *dev,
     72				struct rmi_2d_sensor_platform_data *pdata);
     73
     74void rmi_2d_sensor_abs_process(struct rmi_2d_sensor *sensor,
     75				struct rmi_2d_sensor_abs_object *obj,
     76				int slot);
     77
     78void rmi_2d_sensor_abs_report(struct rmi_2d_sensor *sensor,
     79				struct rmi_2d_sensor_abs_object *obj,
     80				int slot);
     81
     82void rmi_2d_sensor_rel_report(struct rmi_2d_sensor *sensor, int x, int y);
     83
     84int rmi_2d_sensor_configure_input(struct rmi_function *fn,
     85					struct rmi_2d_sensor *sensor);
     86#endif /* _RMI_2D_SENSOR_H */