| /* |
| * 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 |
| #define ECS_IOCTL_APP_SET_MVFLAG _IOW(AKMIO, 0x19, short) /* Set raw magnetic vector flag */ |
| #define ECS_IOCTL_APP_GET_MVFLAG _IOR(AKMIO, 0x1A, short) /* Get raw magnetic vector flag */ |
| #define ECS_IOCTL_APP_SET_TFLAG _IOR(AKMIO, 0x15, short) |
| |
| |
| /* Default GPIO setting */ |
| #define ECS_INTR 140 |
| |
| struct akm8975_platform_data { |
| int intr; |
| }; |
| |
| #endif |
| |
