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Input: add support for Kionix KXTJ9 accelerometer

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Signed-off-by: Chris Hudson <chudson@kionix.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Chris Hudson
2011-07-06 18:36:51 -07:00
committed by Dmitry Torokhov
parent 7bed4b2c97
commit e8e70d8391
4 changed files with 759 additions and 0 deletions
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70
include/linux/input/kxtj9.h Normal file
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/*
* Copyright (C) 2011 Kionix, Inc.
* Written by Chris Hudson <chudson@kionix.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
* 02111-1307, USA
*/
#ifndef __KXTJ9_H__
#define __KXTJ9_H__
#define KXTJ9_I2C_ADDR 0x0F
struct kxtj9_platform_data {
unsigned int min_interval; /* minimum poll interval (in milli-seconds) */
/*
* By default, x is axis 0, y is axis 1, z is axis 2; these can be
* changed to account for sensor orientation within the host device.
*/
u8 axis_map_x;
u8 axis_map_y;
u8 axis_map_z;
/*
* Each axis can be negated to account for sensor orientation within
* the host device.
*/
bool negate_x;
bool negate_y;
bool negate_z;
/* CTRL_REG1: set resolution, g-range, data ready enable */
/* Output resolution: 8-bit valid or 12-bit valid */
#define RES_8BIT 0
#define RES_12BIT (1 << 6)
u8 res_12bit;
/* Output g-range: +/-2g, 4g, or 8g */
#define KXTJ9_G_2G 0
#define KXTJ9_G_4G (1 << 3)
#define KXTJ9_G_8G (1 << 4)
u8 g_range;
/* DATA_CTRL_REG: controls the output data rate of the part */
#define ODR12_5F 0
#define ODR25F 1
#define ODR50F 2
#define ODR100F 3
#define ODR200F 4
#define ODR400F 5
#define ODR800F 6
u8 data_odr_init;
int (*init)(void);
void (*exit)(void);
int (*power_on)(void);
int (*power_off)(void);
};
#endif /* __KXTJ9_H__ */