Add LSM303DLH accelerometer and magnetometer driver

drivers/input/misc/Kconfig

@@ -546,4 +546,14 @@ config BOSCH_BMA150
           If you say yes here you get support for Bosch Sensortec's
           acceleration sensors SMB380/BMA150.
 
+config INPUT_LSM303DLH
+	tristate "ST LSM303DLH 3-axis accelerometer and 3-axis magnetometer"
+	depends on I2C
+    depends on INPUT_POLLDEV
+	default n
+	help
+	  This driver provides support for the LSM303DLH chip which includes a
+	  3-axis accelerometer and a 3-axis magnetometer.
+
 endif
+

drivers/input/misc/Makefile

@@ -51,4 +51,4 @@ obj-$(CONFIG_INPUT_YEALINK)		+= yealink.o
 obj-$(CONFIG_PMIC8058_OTHC)             += pmic8058-othc.o
 obj-$(CONFIG_INPUT_PMIC8058_VIBRA_MEMLESS) += pmic8058-vib-memless.o
 obj-$(CONFIG_BOSCH_BMA150)              += bma150.o
-
+obj-$(CONFIG_INPUT_LSM303DLH)       += lsm303dlh_mag_sysfs.o lsm303dlh_acc_sysfs.o

include/linux/i2c/lsm303dlh.h

@@ -0,0 +1,135 @@
+/******************** (C) COPYRIGHT 2010 STMicroelectronics ********************
+*
+* File Name          : lsm303dlh.h
+* Authors            : MSH - Motion Mems BU - Application Team
+*		     : Carmine Iascone (carmine.iascone@st.com)
+*		     : Matteo Dameno (matteo.dameno@st.com)
+* Version            : V 1.6.0
+* Date               : 2011/02/28
+* Description        : LSM303DLH 6D module 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.
+*
+*******************************************************************************/
+
+#ifndef __LSM303DLH_H__
+#define __LSM303DLH_H__
+
+#define SAD0L				0x00
+#define SAD0H				0x01
+#define LSM303DLH_ACC_I2C_SADROOT	0x0C
+#define LSM303DLH_ACC_I2C_SAD_L	((LSM303DLH_ACC_I2C_SADROOT<<1)|SAD0L)
+#define LSM303DLH_ACC_I2C_SAD_H	((LSM303DLH_ACC_I2C_SADROOT<<1)|SAD0H)
+#define	LSM303DLH_ACC_DEV_NAME	"lsm303dlh_acc_sysfs"
+
+
+#define LSM303DLH_MAG_I2C_SAD		0x1E
+#define	LSM303DLH_MAG_DEV_NAME	"lsm303dlh_mag_sysfs"
+
+
+
+/************************************************/
+/* 	Accelerometer section defines	 	*/
+/************************************************/
+
+/* Accelerometer Sensor Full Scale */
+#define	LSM303DLH_ACC_FS_MASK		0x30
+#define LSM303DLH_ACC_G_2G 		0x00
+#define LSM303DLH_ACC_G_4G 		0x10
+#define LSM303DLH_ACC_G_8G 		0x30
+
+/* Accelerometer Sensor Operating Mode */
+#define LSM303DLH_ACC_ENABLE		0x01
+#define LSM303DLH_ACC_DISABLE		0x00
+#define LSM303DLH_ACC_PM_NORMAL		0x20
+#define LSM303DLH_ACC_PM_OFF		LSM303DLH_ACC_DISABLE
+
+
+
+
+/************************************************/
+/* 	Magnetometer section defines	 	*/
+/************************************************/
+
+/* Magnetometer Sensor Full Scale */
+#define LSM303DLH_MAG_H_1_3G		0x20
+#define LSM303DLH_MAG_H_1_9G		0x40
+#define LSM303DLH_MAG_H_2_5G		0x60
+#define LSM303DLH_MAG_H_4_0G		0x80
+#define LSM303DLH_MAG_H_4_7G		0xA0
+#define LSM303DLH_MAG_H_5_6G		0xC0
+#define LSM303DLH_MAG_H_8_1G		0xE0
+
+/* Magnetic Sensor Operating Mode */
+#define LSM303DLH_MAG_NORMAL_MODE	0x00
+#define LSM303DLH_MAG_POS_BIAS		0x01
+#define LSM303DLH_MAG_NEG_BIAS		0x02
+#define LSM303DLH_MAG_CC_MODE		0x00
+#define LSM303DLH_MAG_SC_MODE		0x01
+#define LSM303DLH_MAG_SLEEP_MODE	0x03
+
+
+#ifdef __KERNEL__
+struct lsm303dlh_acc_platform_data {
+
+	int poll_interval;
+	int min_interval;
+
+	u8 g_range;
+
+	u8 axis_map_x;
+	u8 axis_map_y;
+	u8 axis_map_z;
+
+	u8 negate_x;
+	u8 negate_y;
+	u8 negate_z;
+
+	int (*init)(void);
+	void (*exit)(void);
+	int (*power_on)(void);
+	int (*power_off)(void);
+
+	/* set gpio_int[1,2] either to the choosen gpio pin number or to -EINVAL
+	 * if leaved unconnected
+	 */
+	int gpio_int1;
+	int gpio_int2;
+};
+
+struct lsm303dlh_mag_platform_data {
+
+	int poll_interval;
+	int min_interval;
+
+	u8 h_range;
+
+	u8 axis_map_x;
+	u8 axis_map_y;
+	u8 axis_map_z;
+
+	u8 negate_x;
+	u8 negate_y;
+	u8 negate_z;
+
+	int (*init)(void);
+	void (*exit)(void);
+	int (*power_on)(void);
+	int (*power_off)(void);
+
+};
+#endif /* __KERNEL__ */
+
+#endif  /* __LSM303DLH_H__ */