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/* linux/drivers/hwmon/LSM303D.c
*
* (C) Copyright 2008
* MediaTek <www.mediatek.com>
*
* LSM303D driver for MT6516
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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
*/
#ifndef LSM303M
#define LSM303M
#include <linux/ioctl.h>
/* Magnetometer Sensor Full Scale */
// conversion of magnetic data to uT units
#define CONVERT_M (1.0f/10.0f)
#define CONVERT_M_X (CONVERT_M)
#define CONVERT_M_Y (CONVERT_M)
#define CONVERT_M_Z (CONVERT_M)
#define I2C_AUTO_INCREMENT (0x80)
#define LSM303M_REG_CTL0 0x1F
#define LSM303M_REG_DEVID 0x0F
#define LSM303M_REG_BW_RATE 0x24
#define LSM303M_REG_DATA_FORMAT 0x25
#define LSM303M_REG_POWER_CTL 0x26
#define LSM303M_REG_DATAX0 0x08
#define LSM303M_REG_OFSX 0XFF
#define LSM303M_FIXED_DEVID 0x49
#define LSM303M_MAG_FS_MASK (0x60)
#define LSM303M_MAG_FS_2G (0x00) /* Full scale 2 gauss */
#define LSM303M_MAG_FS_4G (0x20) /* Full scale 4 gauss */
#define LSM303M_MAG_FS_8G (0x40) /* Full scale 8 gauss */
#define LSM303M_MAG_FS_12G (0x60) /* Full scale 12 gauss */
#define SENSITIVITY_MAG_2G 80 /** ugauss/LSB */
#define SENSITIVITY_MAG_4G 160 /** ugauss/LSB */
#define SENSITIVITY_MAG_8G 320 /** ugauss/LSB */
#define SENSITIVITY_MAG_12G 480 /** ugauss/LSB */
#define LSM303M_MAG_POWER_ON (0x00) /* POWER ON */
#define LSM303M_MAG_POWER_OFF (0x02) /* POWER ON */
#define ODR_MAG_MASK (0X1C) /* Mask for odr change on mag */
#define LSM303M_MAG_ODR3_125 (0x00) /* 3.25Hz output data rate */
#define LSM303M_MAG_ODR6_25 (0x04) /* 6.25Hz output data rate */
#define LSM303M_MAG_ODR12_5 (0x08) /* 12.5Hz output data rate */
#define LSM303M_MAG_ODR25 (0x0C) /* 25Hz output data rate */
#define LSM303M_MAG_ODR50 (0x10) /* 50Hz output data rate */
#define LSM303M_MAG_ODR100 (0x14) /* 100Hz output data rate */
#define LSM303M_SUCCESS 0
#define LSM303M_ERR_I2C -1
#define LSM303M_ERR_STATUS -3
#define LSM303M_ERR_SETUP_FAILURE -4
#define LSM303M_ERR_GETGSENSORDATA -5
#define LSM303M_ERR_IDENTIFICATION -6
#define LSM303M_BUFSIZE 256
#endif
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