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/*
* Definitions for akm8963 compass chip.
*/
#ifndef AKM8963_H
#define AKM8963_H
#include <linux/ioctl.h>
#define AKM8963_I2C_NAME "akm8963"
#define SENSOR_DATA_SIZE 8
#define YPR_DATA_SIZE 12
#define RWBUF_SIZE 16
#define ACC_DATA_FLAG 0
#define MAG_DATA_FLAG 1
#define ORI_DATA_FLAG 2
#define AKM_NUM_SENSORS 3
#define ACC_DATA_READY (1<<(ACC_DATA_FLAG))
#define MAG_DATA_READY (1<<(MAG_DATA_FLAG))
#define ORI_DATA_READY (1<<(ORI_DATA_FLAG))
/*! \name AK8963 constant definition
\anchor AK8963_Def
Constant definitions of the AK8963.*/
#define AK8963_MEASUREMENT_TIME_US 10000
/*! \name AK8963 operation mode
\anchor AK8963_Mode
Defines an operation mode of the AK8963.*/
/*! @{*/
#define AK8963_MODE_SNG_MEASURE 0x01
#define AK8963_MODE_SELF_TEST 0x08
#define AK8963_MODE_FUSE_ACCESS 0x0F
#define AK8963_MODE_POWERDOWN 0x00
/*! @}*/
/*! \name AK8963 register address
\anchor AK8963_REG
Defines a register address of the AK8963.*/
/*! @{*/
#define AK8963_REG_WIA 0x00
#define AK8963_REG_INFO 0x01
#define AK8963_REG_ST1 0x02
#define AK8963_REG_HXL 0x03
#define AK8963_REG_HXH 0x04
#define AK8963_REG_HYL 0x05
#define AK8963_REG_HYH 0x06
#define AK8963_REG_HZL 0x07
#define AK8963_REG_HZH 0x08
#define AK8963_REG_ST2 0x09
#define AK8963_REG_CNTL1 0x0A
#define AK8963_REG_CNTL2 0x0B
#define AK8963_REG_ASTC 0x0C
#define AK8963_REG_TS1 0x0D
#define AK8963_REG_TS2 0x0E
#define AK8963_REG_I2CDIS 0x0F
/*! @}*/
/*! \name AK8963 fuse-rom address
\anchor AK8963_FUSE
Defines a read-only address of the fuse ROM of the AK8963.*/
/*! @{*/
#define AK8963_FUSE_ASAX 0x10
#define AK8963_FUSE_ASAY 0x11
#define AK8963_FUSE_ASAZ 0x12
/*! @}*/
#define AKMIO 0xA1
/* IOCTLs for AKM library */
#define ECS_IOCTL_READ _IOWR(AKMIO, 0x01, char*)
#define ECS_IOCTL_WRITE _IOW(AKMIO, 0x02, char*)
#define ECS_IOCTL_SET_MODE _IOW(AKMIO, 0x03, short)
#define ECS_IOCTL_GETDATA _IOR(AKMIO, 0x04, char[SENSOR_DATA_SIZE])
#define ECS_IOCTL_SET_YPR _IOW(AKMIO, 0x05, int[YPR_DATA_SIZE])
#define ECS_IOCTL_GET_OPEN_STATUS _IOR(AKMIO, 0x06, int)
#define ECS_IOCTL_GET_CLOSE_STATUS _IOR(AKMIO, 0x07, int)
#define ECS_IOCTL_GET_DELAY _IOR(AKMIO, 0x08, long long int[AKM_NUM_SENSORS])
#define ECS_IOCTL_GET_LAYOUT _IOR(AKMIO, 0x09, char)
#define ECS_IOCTL_GET_OUTBIT _IOR(AKMIO, 0x0B, char)
#define ECS_IOCTL_RESET _IO(AKMIO, 0x0C)
#define ECS_IOCTL_GET_ACCEL _IOR(AKMIO, 0x30, short[3])
struct akm8963_platform_data {
char layout;
char outbit;
int gpio_IRQ;
int gpio_RST;
};
#endif
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