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add gyroscope driver
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linjh
141
include/linux/l3g4200d.h
Executable file
141
include/linux/l3g4200d.h
Executable file
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/******************** (C) COPYRIGHT 2010 STMicroelectronics ********************
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*
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* File Name : l3g4200d.c
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* Authors : MH - C&I BU - Application Team
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* : Carmine Iascone (carmine.iascone@st.com)
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* : Matteo Dameno (matteo.dameno@st.com)
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* Version : V 0.2
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* Date : 09/04/2010
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* Description : L3G4200D digital output gyroscope sensor API
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*
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********************************************************************************
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* THE PRESENT SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES
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* OR CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED, FOR THE SOLE
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* PURPOSE TO SUPPORT YOUR APPLICATION DEVELOPMENT.
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* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
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* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
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* CONTENT OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
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* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
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*
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* THIS SOFTWARE IS SPECIFICALLY DESIGNED FOR EXCLUSIVE USE WITH ST PARTS.
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*
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********************************************************************************
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* REVISON HISTORY
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*
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* VERSION | DATE | AUTHORS | DESCRIPTION
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*
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* 0.1 | 29/01/2010 | Carmine Iascone | First Release
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*
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* 0.2 | 09/04/2010 | Carmine Iascone | Updated the struct l3g4200d_t
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*
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*******************************************************************************/
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#ifndef __L3G4200D_H__
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#define __L3G4200D_H__
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#include <linux/ioctl.h> /* For IOCTL macros */
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/** This define controls compilation of the master device interface */
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/*#define L3G4200D_MASTER_DEVICE*/
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#define L3G4200D_IOCTL_BASE 'g'
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/* The following define the IOCTL command values via the ioctl macros */
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#define L3G4200D_SET_RANGE _IOW(L3G4200D_IOCTL_BASE, 1, int)
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#define L3G4200D_SET_MODE _IOW(L3G4200D_IOCTL_BASE, 2, int)
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#define L3G4200D_SET_BANDWIDTH _IOW(L3G4200D_IOCTL_BASE, 3, int)
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#define L3G4200D_READ_GYRO_VALUES _IOW(L3G4200D_IOCTL_BASE, 4, int)
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#define L3G4200D_FS_250DPS 0x00
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#define L3G4200D_FS_500DPS 0x10
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#define L3G4200D_FS_2000DPS 0x30
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#define PM_OFF 0x00
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#define PM_NORMAL 0x08
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#define ENABLE_ALL_AXES 0x07
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/*status*/
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#define L3G4200D_SUSPEND 2
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#define L3G4200D_OPEN 1
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#define L3G4200D_CLOSE 0
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#define ODR100_BW12_5 0x00 /* ODR = 100Hz; BW = 12.5Hz */
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#define ODR100_BW25 0x10 /* ODR = 100Hz; BW = 25Hz */
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#define ODR200_BW12_5 0x40 /* ODR = 200Hz; BW = 12.5Hz */
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#define ODR200_BW25 0x50 /* ODR = 200Hz; BW = 25Hz */
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#define ODR200_BW50 0x60 /* ODR = 200Hz; BW = 50Hz */
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#define ODR400_BW25 0x90 /* ODR = 400Hz; BW = 25Hz */
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#define ODR400_BW50 0xA0 /* ODR = 400Hz; BW = 50Hz */
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#define ODR400_BW110 0xB0 /* ODR = 400Hz; BW = 110Hz */
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#define ODR800_BW50 0xE0 /* ODR = 800Hz; BW = 50Hz */
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#define ODR800_BW100 0xF0 /* ODR = 800Hz; BW = 100Hz */
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#define L3G4200D_REG_WHO_AM_I 0x0f
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#define L3G4200D_REG_CTRL_REG1 0x20
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#define ACTIVE_MASK 0x08
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#ifdef __KERNEL__
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struct l3g4200d_platform_data {
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u8 fs_range;
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u8 axis_map_x;
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u8 axis_map_y;
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u8 axis_map_z;
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u8 negate_x;
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u8 negate_y;
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u8 negate_z;
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int (*init)(void);
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void (*exit)(void);
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int (*power_on)(void);
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int (*power_off)(void);
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};
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#endif /* __KERNEL__ */
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#define MMAIO 0xA1
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/* IOCTLs for MMA8452 library */
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#define ECS_IOCTL_INIT _IO(MMAIO, 0x01)
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#define ECS_IOCTL_RESET _IO(MMAIO, 0x04)
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#define ECS_IOCTL_CLOSE _IO(MMAIO, 0x02)
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#define ECS_IOCTL_START _IO(MMAIO, 0x03)
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#define ECS_IOCTL_GETDATA _IOR(MMAIO, 0x08, char[RBUFF_SIZE+1])
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#define GYROSENSOR_IOCTL_MAGIC 'l'
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#define GYROSENSOR_IOCTL_GET_ENABLED _IOR(GYROSENSOR_IOCTL_MAGIC, 1, int *)
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#define GYROSENSOR_IOCTL_ENABLE _IOW(GYROSENSOR_IOCTL_MAGIC, 2, int *)
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/* IOCTLs for APPs */
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#define ECS_IOCTL_APP_SET_RATE _IOW(MMAIO, 0x10, char)
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#define EVENT_TYPE_GYRO_X ABS_RY
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#define ECS_IOCTL_APP_GET_ABS EVIOCGABS(EVENT_TYPE_GYRO_X)
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struct l3g4200d_data {
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char status;
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char curr_tate;
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struct input_dev *input_dev;
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struct i2c_client *client;
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struct work_struct work;
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struct delayed_work delaywork; /*report second event*/
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struct l3g4200d_platform_data *pdata;
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};
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struct l3g4200d_axis {
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int x;
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int y;
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int z;
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};
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#define GSENSOR_DEV_PATH "/dev/gyrosensors"
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#endif /* __L3G4200D_H__ */
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