89 lines
2.9 KiB
C
Executable file
89 lines
2.9 KiB
C
Executable file
/*
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* Definitions for akm8975 compass chip.
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*/
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#ifndef AKM8975_H
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#define AKM8975_H
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#include <linux/ioctl.h>
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#define AKM8975_I2C_NAME "ak8975"
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/*! \name AK8975 operation mode
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\anchor AK8975_Mode
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Defines an operation mode of the AK8975.*/
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/*! @{*/
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#define AK8975_MODE_SNG_MEASURE 0x01
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#define AK8975_MODE_SELF_TEST 0x08
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#define AK8975_MODE_FUSE_ACCESS 0x0F
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#define AK8975_MODE_POWERDOWN 0x00
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/*! @}*/
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#define SENSOR_DATA_SIZE 8 /* Rx buffer size, i.e from ST1 to ST2 */
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#define RWBUF_SIZE 16 /* Read/Write buffer size.*/
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/*! \name AK8975 register address
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\anchor AK8975_REG
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Defines a register address of the AK8975.*/
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/*! @{*/
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#define AK8975_REG_WIA 0x00
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#define AK8975_REG_INFO 0x01
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#define AK8975_REG_ST1 0x02
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#define AK8975_REG_HXL 0x03
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#define AK8975_REG_HXH 0x04
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#define AK8975_REG_HYL 0x05
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#define AK8975_REG_HYH 0x06
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#define AK8975_REG_HZL 0x07
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#define AK8975_REG_HZH 0x08
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#define AK8975_REG_ST2 0x09
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#define AK8975_REG_CNTL 0x0A
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#define AK8975_REG_RSV 0x0B
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#define AK8975_REG_ASTC 0x0C
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#define AK8975_REG_TS1 0x0D
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#define AK8975_REG_TS2 0x0E
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#define AK8975_REG_I2CDIS 0x0F
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/*! @}*/
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/*! \name AK8975 fuse-rom address
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\anchor AK8975_FUSE
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Defines a read-only address of the fuse ROM of the AK8975.*/
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/*! @{*/
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#define AK8975_FUSE_ASAX 0x10
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#define AK8975_FUSE_ASAY 0x11
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#define AK8975_FUSE_ASAZ 0x12
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/*! @}*/
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#define AKMIO 0xA1
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/* IOCTLs for AKM library */
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#define ECS_IOCTL_WRITE _IOW(AKMIO, 0x01, char*)
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#define ECS_IOCTL_READ _IOWR(AKMIO, 0x02, char*)
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#define ECS_IOCTL_RESET _IO(AKMIO, 0x03) /* NOT used in AK8975 */
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#define ECS_IOCTL_SET_MODE _IOW(AKMIO, 0x04, short)
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#define ECS_IOCTL_GETDATA _IOR(AKMIO, 0x05, char[SENSOR_DATA_SIZE])
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#define ECS_IOCTL_SET_YPR _IOW(AKMIO, 0x06, short[12])
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#define ECS_IOCTL_GET_OPEN_STATUS _IOR(AKMIO, 0x07, int)
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#define ECS_IOCTL_GET_CLOSE_STATUS _IOR(AKMIO, 0x08, int)
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#define ECS_IOCTL_GET_DELAY _IOR(AKMIO, 0x30, short)
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#define ECS_IOCTL_GET_PROJECT_NAME _IOR(AKMIO, 0x0D, char[64])
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#define ECS_IOCTL_GET_MATRIX _IOR(AKMIO, 0x0E, short [4][3][3])
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#define ECS_IOCTL_GET_PLATFORM_DATA _IOR(AKMIO, 0x0E, struct akm8975_platform_data)
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/* IOCTLs for APPs */
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#define ECS_IOCTL_APP_SET_MODE _IOW(AKMIO, 0x10, short)
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#define ECS_IOCTL_APP_SET_MFLAG _IOW(AKMIO, 0x11, short)
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#define ECS_IOCTL_APP_GET_MFLAG _IOW(AKMIO, 0x12, short)
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#define ECS_IOCTL_APP_SET_AFLAG _IOW(AKMIO, 0x13, short)
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#define ECS_IOCTL_APP_GET_AFLAG _IOR(AKMIO, 0x14, short)
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#define ECS_IOCTL_APP_SET_TFLAG _IOR(AKMIO, 0x15, short)/* NOT use */
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#define ECS_IOCTL_APP_GET_TFLAG _IOR(AKMIO, 0x16, short)/* NOT use */
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#define ECS_IOCTL_APP_RESET_PEDOMETER _IO(AKMIO, 0x17) /* NOT use */
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#define ECS_IOCTL_APP_SET_DELAY _IOW(AKMIO, 0x18, short)
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#define ECS_IOCTL_APP_GET_DELAY ECS_IOCTL_GET_DELAY
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#define ECS_IOCTL_APP_SET_MVFLAG _IOW(AKMIO, 0x19, short)
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#define ECS_IOCTL_APP_GET_MVFLAG _IOR(AKMIO, 0x1A, short)
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#endif
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