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/* include/linux/af7133.h - AF7133 compass driver
*
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* 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.
*
*/
/*
* Definitions for af7133 compass chip.
*/
#ifndef AF7133_H
#define AF7133_H
#include <linux/ioctl.h>
#define AF7133_I2C_ADDRESS 0x1E //7-bit address
#define AF7133_BUFSIZE 6
/*AF7133 register address*/
#define AF7133_REG_DATA 0x00
#define AF7133_REG_STATUS 0x06
#define AF7133_REG_MODE 0x0B
#define AF7133_REG_HF 0x10
#define AF7133_REG_PCODE 0x16
#define AF7133_REG_POR 0x18
#define AF7133_REG_RATE 0x19
#define AF7133_REG_CHIPID 0x1C
/*AF7133 parameters*/
#define AF7133_MODE_IDLE 0x00
#define AF7133_MODE_WAKE 0x01
#define AF7133_MODE_SINGLE 0x02
#define AF7133_HF_ENABLE 0x80
#define AF7133_HF_DISABLE 0x00
#define AF7133_PCODE_VALUE 0x48
#define AF7133_POR_RESET 0x01
#define AF7133_RATE_10HZ 0x0C
#define AF7133_RATE_25HZ 0x05
#define AF7133_RATE_30HZ 0x04
// conversion of magnetic data (for AF7133) to uT units
#define CONVERT_M 5
#define CONVERT_M_DIV 100
// conversion of orientation data to degree units
#define CONVERT_O 1
#define CONVERT_O_DIV 1
#endif
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