kxtj9.h
1.74 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
/*
* 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) */
unsigned int init_interval; /* initial 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;
int (*init)(void);
void (*exit)(void);
int (*power_on)(void);
int (*power_off)(void);
};
#endif /* __KXTJ9_H__ */