-/*
- * Copyright (C) 2010 Motorola, Inc.
- *
- * 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
- */
+/******************** (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 */
-#define L3G4200D_NAME "l3g4200d"
+/** This define controls compilation of the master device interface */
+/*#define L3G4200D_MASTER_DEVICE*/
#define L3G4200D_IOCTL_BASE 77
-/** The following define the IOCTL command values via the ioctl macros */
-#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)
-#ifdef __KERNEL__
+#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)
-struct l3g4200d_platform_data {
- int poll_interval;
- unsigned gpio_drdy;
+#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
- u8 ctrl_reg1;
- u8 ctrl_reg2;
- u8 ctrl_reg3;
- u8 ctrl_reg4;
- u8 ctrl_reg5;
- u8 reference;
+#ifdef __KERNEL__
+struct l3g4200d_platform_data {
+ u8 fs_range;
- u8 fifo_ctrl_reg;
+ u8 axis_map_x;
+ u8 axis_map_y;
+ u8 axis_map_z;
- u8 int1_cfg;
+ 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);
- u8 int1_tsh_xh;
- u8 int1_tsh_xl;
- u8 int1_tsh_yh;
- u8 int1_tsh_yl;
- u8 int1_tsh_zh;
- u8 int1_tsh_zl;
- u8 int1_duration;
};
+
#endif /* __KERNEL__ */
-#endif /* __L3G4200D_H__ */
+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__ */
projects / firefly-linux-kernel-4.4.55.git / blobdiff