include/linux/i2c/atmel_mxt_ts.h

   1 /*
   2  * Atmel maXTouch Touchscreen driver
   3  *
   4  * Copyright (C) 2010 Samsung Electronics Co.Ltd
   5  * Author: Joonyoung Shim <jy0922.shim@samsung.com>
   6  *
   7  * This program is free software; you can redistribute  it and/or modify it
   8  * under  the terms of  the GNU General  Public License as published by the
   9  * Free Software Foundation;  either version 2 of the  License, or (at your
  10  * option) any later version.
  11  */
  12
  13 #ifndef __LINUX_ATMEL_MXT_TS_H
  14 #define __LINUX_ATMEL_MXT_TS_H
  15
  16 #include <linux/types.h>
  17
  18 /* For key_map array */
  19 #define MXT_NUM_GPIO            4
  20
  21 /* Orient */
  22 #define MXT_NORMAL              0x0
  23 #define MXT_DIAGONAL            0x1
  24 #define MXT_HORIZONTAL_FLIP     0x2
  25 #define MXT_ROTATED_90_COUNTER  0x3
  26 #define MXT_VERTICAL_FLIP       0x4
  27 #define MXT_ROTATED_90          0x5
  28 #define MXT_ROTATED_180         0x6
  29 #define MXT_DIAGONAL_COUNTER    0x7
  30
  31 /* The platform data for the Atmel maXTouch touchscreen driver */
  32 struct mxt_platform_data {
  33         const u8 *config;
  34         size_t config_length;
  35
  36         unsigned int x_line;
  37         unsigned int y_line;
  38         unsigned int x_size;
  39         unsigned int y_size;
  40         unsigned int blen;
  41         unsigned int threshold;
  42         unsigned int voltage;
  43         unsigned char orient;
  44         unsigned long irqflags;
  45         bool is_tp;
  46         const unsigned int key_map[MXT_NUM_GPIO];
  47 };
  48
  49 #endif /* __LINUX_ATMEL_MXT_TS_H */