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Diffstat (limited to 'include/linux/l3g4200d.h')
| -rw-r--r-- | include/linux/l3g4200d.h | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/include/linux/l3g4200d.h b/include/linux/l3g4200d.h new file mode 100644 index 000000000000..fa82a58f44c6 --- /dev/null +++ b/include/linux/l3g4200d.h @@ -0,0 +1,145 @@ +/******************** (C) COPYRIGHT 2010 STMicroelectronics ******************** +* +* File Name : l3g4200d.c +* Authors : MH - C&I BU - Application Team +* : Carmine Iascone (carmine.iascone@st.com) +* : Matteo Dameno (matteo.dameno@st.com) +* Version : V 0.2 +* Date : 09/04/2010 +* Description : L3G4200D digital output gyroscope sensor API +* +******************************************************************************** +* +* 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. +* +* THE PRESENT SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES +* OR CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED, FOR THE SOLE +* PURPOSE TO SUPPORT YOUR APPLICATION DEVELOPMENT. +* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT, +* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE +* CONTENT OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING +* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. +* +* THIS SOFTWARE IS SPECIFICALLY DESIGNED FOR EXCLUSIVE USE WITH ST PARTS. +* +******************************************************************************** +* REVISON HISTORY +* +* VERSION | DATE | AUTHORS | DESCRIPTION +* +* 0.1 | 29/01/2010 | Carmine Iascone | First Release +* +* 0.2 | 09/04/2010 | Carmine Iascone | Updated the struct l3g4200d_t +* +*******************************************************************************/ + +#ifndef __L3G4200D_H__ +#define __L3G4200D_H__ + +#include <linux/ioctl.h> /* For IOCTL macros */ + +/** This define controls compilation of the master device interface */ +/*#define L3G4200D_MASTER_DEVICE*/ + +#define L3G4200D_IOCTL_BASE 77 + +#define L3G4200D_IOCTL_SET_DELAY _IOW(L3G4200D_IOCTL_BASE, 0, int) +#define L3G4200D_IOCTL_GET_DELAY _IOR(L3G4200D_IOCTL_BASE, 1, int) +#define L3G4200D_IOCTL_SET_ENABLE _IOW(L3G4200D_IOCTL_BASE, 2, int) +#define L3G4200D_IOCTL_GET_ENABLE _IOR(L3G4200D_IOCTL_BASE, 3, int) +#define L3G4200D_IOCTL_GET_CALIBRATION _IOR(L3G4200D_IOCTL_BASE, 4, int[3]) + +#define L3G4200D_FS_250DPS 0x00 +#define L3G4200D_FS_500DPS 0x10 +#define L3G4200D_FS_2000DPS 0x30 + +#define PM_OFF 0x00 +#define PM_NORMAL 0x08 +#define ENABLE_ALL_AXES 0x07 + +/* l3g4200d gyroscope registers */ +#define GYRO_WHO_AM_I 0x0F +#define GYRO_CTRL_REG1 0x20 /* power control reg */ +#define GYRO_CTRL_REG2 0x21 /* power control reg */ +#define GYRO_CTRL_REG3 0x22 /* power control reg */ +#define GYRO_CTRL_REG4 0x23 /* interrupt control reg */ +#define GYRO_CTRL_REG5 0x24 /* interrupt control reg */ +#define GYRO_DATA_REG 0x28 +#define GYRO_INT_SRC 0x31 + + + + +/*status*/ +#define L3G4200D_SUSPEND 2 +#define L3G4200D_OPEN 1 +#define L3G4200D_CLOSE 0 + +#define ODR100_BW12_5 0x00 /* ODR = 100Hz; BW = 12.5Hz */ +#define ODR100_BW25 0x10 /* ODR = 100Hz; BW = 25Hz */ +#define ODR200_BW12_5 0x40 /* ODR = 200Hz; BW = 12.5Hz */ +#define ODR200_BW25 0x50 /* ODR = 200Hz; BW = 25Hz */ +#define ODR200_BW50 0x60 /* ODR = 200Hz; BW = 50Hz */ +#define ODR400_BW25 0x90 /* ODR = 400Hz; BW = 25Hz */ +#define ODR400_BW50 0xA0 /* ODR = 400Hz; BW = 50Hz */ +#define ODR400_BW110 0xB0 /* ODR = 400Hz; BW = 110Hz */ +#define ODR800_BW50 0xE0 /* ODR = 800Hz; BW = 50Hz */ +#define ODR800_BW100 0xF0 /* ODR = 800Hz; BW = 100Hz */ + +#define L3G4200D_REG_WHO_AM_I 0x0f +#define L3G4200D_REG_CTRL_REG1 0x20 +#define ACTIVE_MASK 0x08 + +#define GYRO_DEVID_L3G4200D 0xD3 +#define GYRO_DEVID_L3G20D 0xD4 + + +#ifdef __KERNEL__ +struct l3g4200d_platform_data { + u8 fs_range; + + u8 axis_map_x; + u8 axis_map_y; + u8 axis_map_z; + + u8 negate_x; + u8 negate_y; + u8 negate_z; + signed char orientation[9]; + int x_min; + int y_min; + int z_min; + int (*init)(void); + void (*exit)(void); + int (*power_on)(void); + int (*power_off)(void); + +}; + +#endif /* __KERNEL__ */ + +struct l3g4200d_axis { + int x; + int y; + int z; +}; + + +struct l3g4200d_data { + char status; + char curr_tate; + unsigned int devid; + struct input_dev *input_dev; + struct i2c_client *client; + struct work_struct work; + struct delayed_work delaywork; /*report second event*/ + struct l3g4200d_platform_data *pdata; + struct l3g4200d_axis axis; +}; + +#define GSENSOR_DEV_PATH "/dev/gyrosensors" + + +#endif /* __L3G4200D_H__ */ |