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/*
* Definitions for mmc328x magnetic sensor chip.
*/
#ifndef __MMC328x_H__
#define __MMC328x_H__
#include <linux/ioctl.h>
#define MMC328x_I2C_NAME "mmc328x"
#define CALIBRATION_DATA_SIZE 12
#define MMC328x_I2C_ADDR 0x60
/* MMC328x register address */
#define MMC328x_REG_CTRL 0x07
#define MMC328x_REG_DATA 0x00
#define MMC328x_REG_DS 0x06
/* MMC328x control bit */
#define MMC328x_CTRL_TM 0x01
#define MMC328x_CTRL_RM 0x20
// conversion of magnetic data (for mmc328x) to uT units
// conversion of magnetic data to uT units
// 32768 = 1Guass = 100 uT
// 100 / 32768 = 25 / 8096
// 65536 = 360Degree
// 360 / 65536 = 45 / 8192
#define CONVERT_M 25
#define CONVERT_M_DIV 8096
#define CONVERT_O 45
#define CONVERT_O_DIV 8192
// sensitivity 512 count = 1 Guass = 100uT
#define MMC328X_OFFSET_X 4096
#define MMC328X_OFFSET_Y 4096
#define MMC328X_OFFSET_Z 4096
#define MMC328X_SENSITIVITY_X 512
#define MMC328X_SENSITIVITY_Y 512
#define MMC328X_SENSITIVITY_Z 512
#endif /* __MMC328x_H__ */
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