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/*
* Definitions for akm8975 compass chip.
*/
#ifndef AKM8975_H
#define AKM8975_H
#include <linux/ioctl.h>
/*! \name AK8975 operation mode
\anchor AK8975_Mode
Defines an operation mode of the AK8975.*/
/*! @{*/
#define AK8975_MODE_SNG_MEASURE 0x01
#define AK8975_MODE_SELF_TEST 0x08
#define AK8975_MODE_FUSE_ACCESS 0x0F
#define AK8975_MODE_POWER_DOWN 0x00
/*! @}*/
#define RBUFF_SIZE 8 /* Rx buffer size */
/*! \name AK8975 register address
\anchor AK8975_REG
Defines a register address of the AK8975.*/
/*! @{*/
#define AK8975_REG_WIA 0x00
#define AK8975_REG_INFO 0x01
#define AK8975_REG_ST1 0x02
#define AK8975_REG_HXL 0x03
#define AK8975_REG_HXH 0x04
#define AK8975_REG_HYL 0x05
#define AK8975_REG_HYH 0x06
#define AK8975_REG_HZL 0x07
#define AK8975_REG_HZH 0x08
#define AK8975_REG_ST2 0x09
#define AK8975_REG_CNTL 0x0A
#define AK8975_REG_RSV 0x0B
#define AK8975_REG_ASTC 0x0C
#define AK8975_REG_TS1 0x0D
#define AK8975_REG_TS2 0x0E
#define AK8975_REG_I2CDIS 0x0F
/*! @}*/
/*! \name AK8975 fuse-rom address
\anchor AK8975_FUSE
Defines a read-only address of the fuse ROM of the AK8975.*/
/*! @{*/
#define AK8975_FUSE_ASAX 0x10
#define AK8975_FUSE_ASAY 0x11
#define AK8975_FUSE_ASAZ 0x12
/*! @}*/
#define AKMIO 0xA1
/* IOCTLs for AKM library */
#define ECS_IOCTL_WRITE _IOW(AKMIO, 0x02, char[5])
#define ECS_IOCTL_READ _IOWR(AKMIO, 0x03, char[5])
#define ECS_IOCTL_GETDATA _IOR(AKMIO, 0x08, char[RBUFF_SIZE])
#define ECS_IOCTL_SET_YPR _IOW(AKMIO, 0x0C, short[12])
#define ECS_IOCTL_GET_OPEN_STATUS _IOR(AKMIO, 0x0D, int)
#define ECS_IOCTL_GET_CLOSE_STATUS _IOR(AKMIO, 0x0E, int)
#define ECS_IOCTL_GET_DELAY _IOR(AKMIO, 0x30, short)
/* IOCTLs for APPs */
#define ECS_IOCTL_APP_SET_MFLAG _IOW(AKMIO, 0x11, short)
#define ECS_IOCTL_APP_GET_MFLAG _IOW(AKMIO, 0x12, short)
#define ECS_IOCTL_APP_SET_AFLAG _IOW(AKMIO, 0x13, short)
#define ECS_IOCTL_APP_GET_AFLAG _IOR(AKMIO, 0x14, short)
#define ECS_IOCTL_APP_SET_DELAY _IOW(AKMIO, 0x18, short)
#define ECS_IOCTL_APP_GET_DELAY ECS_IOCTL_GET_DELAY
/* Set raw magnetic vector flag */
#define ECS_IOCTL_APP_SET_MVFLAG _IOW(AKMIO, 0x19, short)
/* Get raw magnetic vector flag */
#define ECS_IOCTL_APP_GET_MVFLAG _IOR(AKMIO, 0x1A, short)
#define ECS_IOCTL_APP_SET_TFLAG _IOR(AKMIO, 0x15, short)
struct akm8975_platform_data {
int intr;
int (*init)(void);
void (*exit)(void);
int (*power_on)(void);
int (*power_off)(void);
};
#endif
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