LXR linux/drivers/input/rmi4/rmi_2d

   1/*
   2 * Copyright (c) 2011-2016 Synaptics Incorporated
   3 * Copyright (c) 2011 Unixphere
   4 *
   5 * This program is free software; you can redistribute it and/or modify it
   6 * under the terms of the GNU General Public License version 2 as published by
   7 * the Free Software Foundation.
   8 */
   9
  10#ifndef _RMI_2D_SENSOR_H
  11#define _RMI_2D_SENSOR_H
  12
  13enum rmi_2d_sensor_object_type {
  14        RMI_2D_OBJECT_NONE,
  15        RMI_2D_OBJECT_FINGER,
  16        RMI_2D_OBJECT_STYLUS,
  17        RMI_2D_OBJECT_PALM,
  18        RMI_2D_OBJECT_UNCLASSIFIED,
  19};
  20
  21struct rmi_2d_sensor_abs_object {
  22        enum rmi_2d_sensor_object_type type;
  23        int mt_tool;
  24        u16 x;
  25        u16 y;
  26        u8 z;
  27        u8 wx;
  28        u8 wy;
  29};
  30
  31/**
  32 * @axis_align - controls parameters that are useful in system prototyping
  33 * and bring up.
  34 * @max_x - The maximum X coordinate that will be reported by this sensor.
  35 * @max_y - The maximum Y coordinate that will be reported by this sensor.
  36 * @nbr_fingers - How many fingers can this sensor report?
  37 * @data_pkt - buffer for data reported by this sensor.
  38 * @pkt_size - number of bytes in that buffer.
  39 * @attn_size - Size of the HID attention report (only contains abs data).
  40 * position when two fingers are on the device.  When this is true, we
  41 * assume we have one of those sensors and report events appropriately.
  42 * @sensor_type - indicates whether we're touchscreen or touchpad.
  43 * @input - input device for absolute pointing stream
  44 * @input_phys - buffer for the absolute phys name for this sensor.
  45 */
  46struct rmi_2d_sensor {
  47        struct rmi_2d_axis_alignment axis_align;
  48        struct input_mt_pos *tracking_pos;
  49        int *tracking_slots;
  50        bool kernel_tracking;
  51        struct rmi_2d_sensor_abs_object *objs;
  52        int dmax;
  53        u16 min_x;
  54        u16 max_x;
  55        u16 min_y;
  56        u16 max_y;
  57        u8 nbr_fingers;
  58        u8 *data_pkt;
  59        int pkt_size;
  60        int attn_size;
  61        bool topbuttonpad;
  62        enum rmi_sensor_type sensor_type;
  63        struct input_dev *input;
  64        struct rmi_function *fn;
  65        char input_phys[32];
  66        u8 report_abs;
  67        u8 report_rel;
  68        u8 x_mm;
  69        u8 y_mm;
  70        enum rmi_reg_state dribble;
  71        enum rmi_reg_state palm_detect;
  72};
  73
  74int rmi_2d_sensor_of_probe(struct device *dev,
  75                                struct rmi_2d_sensor_platform_data *pdata);
  76
  77void rmi_2d_sensor_abs_process(struct rmi_2d_sensor *sensor,
  78                                struct rmi_2d_sensor_abs_object *obj,
  79                                int slot);
  80
  81void rmi_2d_sensor_abs_report(struct rmi_2d_sensor *sensor,
  82                                struct rmi_2d_sensor_abs_object *obj,
  83                                int slot);
  84
  85void rmi_2d_sensor_rel_report(struct rmi_2d_sensor *sensor, int x, int y);
  86
  87int rmi_2d_sensor_configure_input(struct rmi_function *fn,
  88                                        struct rmi_2d_sensor *sensor);
  89#endif /* _RMI_2D_SENSOR_H */
  90