Gitiles
Code Review Sign In
review.evervolv.com / android_kernel_htc_msm8960 / a8addb5ef92d396f6b548d6de1863e7b212b6ab5 / . / include / linux / lsm330.h
blob: f9b7b69f9b741bb4df6f7e9c41b64ada8a52d6eb [file] [log] [blame]
David Hays776c5212014-06-22 21:55:06 -0700[diff] [blame]1/*
2********************* (C) COPYRIGHT 2012 STMicroelectronics ********************
3*
4* File Name : lsm330.h
5* Authors : MH - C&I BU - Application Team
6* : Matteo Dameno (matteo.dameno@st.com)
7* : Denis Ciocca (denis.ciocca@st.com)
8* Version : V.1.2.3
9* Date : 2013/May/16
10*
11********************************************************************************
12*
13* This program is free software; you can redistribute it and/or modify
14* it under the terms of the GNU General Public License version 2 as
15* published by the Free Software Foundation.
16*
17* THE PRESENT SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES
18* OR CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED, FOR THE SOLE
19* PURPOSE TO SUPPORT YOUR APPLICATION DEVELOPMENT.
20* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
21* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
22* CONTENT OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
23* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
24*
25********************************************************************************
26
27********************************************************************************
28Version History.
29 V 1.0.0 First Release
30 V 1.0.2 I2C address bugfix
31 V 1.2.0 Registers names compliant to correct datasheet
32 V.1.2.1 Removed enable_interrupt_output sysfs file, manage int1
33 and int2, implements int1 isr.
34 V.1.2.2 Added HR_Timer and custom sysfs path
35 V.1.2.3 Added rotation matrices
36********************************************************************************
37SYSFS interface
38- range: set full scale
39 -> accelerometer: 2,4,6,8,16 [g]
40 -> gyroscope: 250,500,2000 [dps]
41- poll_period_ms: set 1/ODR
42 -> accelerometer: LSM330_ACC_MIN_POLL_PERIOD_MS < t [ms]
43 -> gyroscope: LSM330_GYR_MIN_POLL_PERIOD_MS < t [ms]
44- enable_device: enable/disable sensor [1/0]
45
46
47INPUT subsystem: NOTE-> output data INCLUDE the sensitivity in accelerometer,
48 but NOT INCLUDE the sensitivity in gyroscope.
49- accelerometer: abs_x, abs_y, abs_z [ug]
50- gyroscope: abs_x, abs_y, abs_z [raw data]
51*******************************************************************************/
52
53#ifndef __LSM330_H__
54#define __LSM330_H__
55
56
57#define LSM330_ACC_DEV_NAME "lsm330_acc"
58#define LSM330_GYR_DEV_NAME "lsm330_gyr"
59
60#define CUSTOM_SYSFS_PATH
61#define CUSTOM_SYSFS_CLASS_NAME_GYR "ST_gyr"
62#define CUSTOM_SYSFS_CLASS_NAME_ACC "ST_acc"
63
64#define LSM330_GYR_SAD0L (0x00)
65#define LSM330_ACC_SAD0L (0x02)
66#define LSM330_SAD0H (0x01)
67#define LSM330_ACC_I2C_SADROOT (0x07)
68#define LSM330_ACC_I2C_SAD_L ((LSM330_ACC_I2C_SADROOT<<2) | \
69 LSM330_ACC_SAD0L)
70#define LSM330_ACC_I2C_SAD_H ((LSM330_ACC_I2C_SADROOT<<2) | \
71 LSM330_SAD0H)
72
73#define LSM330_GYR_I2C_SADROOT (0x35)
74#define LSM330_GYR_I2C_SAD_L ((LSM330_GYR_I2C_SADROOT<<1)| \
75 LSM330_GYR_SAD0L)
76#define LSM330_GYR_I2C_SAD_H ((LSM330_GYR_I2C_SADROOT<<1)| \
77 LSM330_SAD0H)
78
79#define LSM330_ACC_MIN_POLL_PERIOD_MS 1
80
81#define LSM330_GYR_MIN_POLL_PERIOD_MS 2
82
83
84#ifdef __KERNEL__
85
86#define LSM330_ACC_DEFAULT_INT1_GPIO (-EINVAL)
87#define LSM330_ACC_DEFAULT_INT2_GPIO (-EINVAL)
88
89#define LSM330_GYR_DEFAULT_INT1_GPIO (-EINVAL)
90#define LSM330_GYR_DEFAULT_INT2_GPIO (-EINVAL)
91
92
93#define LSM330_ACC_G_2G (0x00)
94#define LSM330_ACC_G_4G (0x08)
95#define LSM330_ACC_G_6G (0x10)
96#define LSM330_ACC_G_8G (0x18)
97#define LSM330_ACC_G_16G (0x20)
98
99#define LSM330_GYR_FS_250DPS (0x00)
100#define LSM330_GYR_FS_500DPS (0x10)
101#define LSM330_GYR_FS_2000DPS (0x30)
102
103extern unsigned int gs_kvalue;
104extern unsigned char gyro_gsensor_kvalue[37];
105
106struct lsm330_acc_platform_data {
107 unsigned int poll_interval;
108 unsigned int min_interval;
109 u8 fs_range;
110 short rot_matrix_index;
111 int (*init)(void);
112 void (*exit)(void);
113 int (*power_on)(void);
114 int (*power_off)(void);
115 int chip_layout;
116 int gs_kvalue;
117 int gpio_int1;
118 int gpio_int2;
119};
120
121struct lsm330_gyr_platform_data {
122 int (*init)(void);
123 void (*exit)(void);
124 int (*power_on)(void);
125 int (*power_off)(void);
126 unsigned int poll_interval;
127 unsigned int min_interval;
128 u8 fs_range;
129 short rot_matrix_index;
130
131 u8 watermark;
132 u8 fifomode;
133
134 int gpio_int1;
135 int gpio_int2;
136};
137#endif
138
139#endif