include/linux/input/touchscreen.h

   1 /*
   2  * Copyright (c) 2014 Sebastian Reichel <sre@kernel.org>
   3  *
   4  * This program is free software; you can redistribute it and/or modify it
   5  * under the terms of the GNU General Public License version 2 as published by
   6  * the Free Software Foundation.
   7  */
   8
   9 #ifndef _TOUCHSCREEN_H
  10 #define _TOUCHSCREEN_H
  11
  12 struct input_dev;
  13 struct input_mt_pos;
  14
  15 struct touchscreen_properties {
  16         unsigned int max_x;
  17         unsigned int max_y;
  18         bool invert_x;
  19         bool invert_y;
  20         bool swap_x_y;
  21 };
  22
  23 void touchscreen_parse_properties(struct input_dev *input, bool multitouch,
  24                                   struct touchscreen_properties *prop);
  25
  26 void touchscreen_set_mt_pos(struct input_mt_pos *pos,
  27                             const struct touchscreen_properties *prop,
  28                             unsigned int x, unsigned int y);
  29
  30 void touchscreen_report_pos(struct input_dev *input,
  31                             const struct touchscreen_properties *prop,
  32                             unsigned int x, unsigned int y,
  33                             bool multitouch);
  34
  35 #endif