include/linux/input/kxtj9.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Copyright (C) 2011 Kionix, Inc.
   4  * Written by Chris Hudson <chudson@kionix.com>
   5  */
   6
   7 #ifndef __KXTJ9_H__
   8 #define __KXTJ9_H__
   9
  10 #define KXTJ9_I2C_ADDR          0x0F
  11
  12 struct kxtj9_platform_data {
  13         unsigned int min_interval;      /* minimum poll interval (in milli-seconds) */
  14         unsigned int init_interval;     /* initial poll interval (in milli-seconds) */
  15
  16         /*
  17          * By default, x is axis 0, y is axis 1, z is axis 2; these can be
  18          * changed to account for sensor orientation within the host device.
  19          */
  20         u8 axis_map_x;
  21         u8 axis_map_y;
  22         u8 axis_map_z;
  23
  24         /*
  25          * Each axis can be negated to account for sensor orientation within
  26          * the host device.
  27          */
  28         bool negate_x;
  29         bool negate_y;
  30         bool negate_z;
  31
  32         /* CTRL_REG1: set resolution, g-range, data ready enable */
  33         /* Output resolution: 8-bit valid or 12-bit valid */
  34         #define RES_8BIT                0
  35         #define RES_12BIT               (1 << 6)
  36         u8 res_12bit;
  37         /* Output g-range: +/-2g, 4g, or 8g */
  38         #define KXTJ9_G_2G              0
  39         #define KXTJ9_G_4G              (1 << 3)
  40         #define KXTJ9_G_8G              (1 << 4)
  41         u8 g_range;
  42
  43         int (*init)(void);
  44         void (*exit)(void);
  45         int (*power_on)(void);
  46         int (*power_off)(void);
  47 };
  48 #endif  /* __KXTJ9_H__ */