include/linux/input/ad714x.h

   1 /*
   2  * include/linux/input/ad714x.h
   3  *
   4  * AD714x is very flexible, it can be used as buttons, scrollwheel,
   5  * slider, touchpad at the same time. That depends on the boards.
   6  * The platform_data for the device's "struct device" holds this
   7  * information.
   8  *
   9  * Copyright 2009 Analog Devices Inc.
  10  *
  11  * Licensed under the GPL-2 or later.
  12  */
  13
  14 #ifndef __LINUX_INPUT_AD714X_H__
  15 #define __LINUX_INPUT_AD714X_H__
  16
  17 #define STAGE_NUM              12
  18 #define STAGE_CFGREG_NUM       8
  19 #define SYS_CFGREG_NUM         8
  20
  21 /* board information which need be initialized in arch/mach... */
  22 struct ad714x_slider_plat {
  23         int start_stage;
  24         int end_stage;
  25         int max_coord;
  26 };
  27
  28 struct ad714x_wheel_plat {
  29         int start_stage;
  30         int end_stage;
  31         int max_coord;
  32 };
  33
  34 struct ad714x_touchpad_plat {
  35         int x_start_stage;
  36         int x_end_stage;
  37         int x_max_coord;
  38
  39         int y_start_stage;
  40         int y_end_stage;
  41         int y_max_coord;
  42 };
  43
  44 struct ad714x_button_plat {
  45         int keycode;
  46         unsigned short l_mask;
  47         unsigned short h_mask;
  48 };
  49
  50 struct ad714x_platform_data {
  51         int slider_num;
  52         int wheel_num;
  53         int touchpad_num;
  54         int button_num;
  55         struct ad714x_slider_plat *slider;
  56         struct ad714x_wheel_plat *wheel;
  57         struct ad714x_touchpad_plat *touchpad;
  58         struct ad714x_button_plat *button;
  59         unsigned short stage_cfg_reg[STAGE_NUM][STAGE_CFGREG_NUM];
  60         unsigned short sys_cfg_reg[SYS_CFGREG_NUM];
  61 };
  62
  63 #endif