include/linux/input/touchscreen.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Copyright (c) 2014 Sebastian Reichel <sre@kernel.org>
   4  */
   5
   6 #ifndef _TOUCHSCREEN_H
   7 #define _TOUCHSCREEN_H
   8
   9 struct input_dev;
  10 struct input_mt_pos;
  11
  12 struct touchscreen_properties {
  13         unsigned int max_x;
  14         unsigned int max_y;
  15         bool invert_x;
  16         bool invert_y;
  17         bool swap_x_y;
  18 };
  19
  20 void touchscreen_parse_properties(struct input_dev *input, bool multitouch,
  21                                   struct touchscreen_properties *prop);
  22
  23 void touchscreen_set_mt_pos(struct input_mt_pos *pos,
  24                             const struct touchscreen_properties *prop,
  25                             unsigned int x, unsigned int y);
  26
  27 void touchscreen_report_pos(struct input_dev *input,
  28                             const struct touchscreen_properties *prop,
  29                             unsigned int x, unsigned int y,
  30                             bool multitouch);
  31
  32 #endif