62 lines
2.3 KiB
C
62 lines
2.3 KiB
C
/*
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* Definitions for akm8973 compass chip.
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*/
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#ifndef AKM8973_H
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#define AKM8973_H
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#include <linux/ioctl.h>
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#define AKM8973_I2C_NAME "akm8973"
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/* Compass device dependent definition */
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#define AKECS_MODE_MEASURE 0x00 /* Starts measurement. Please use AKECS_MODE_MEASURE_SNG */
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/* or AKECS_MODE_MEASURE_SEQ instead of this. */
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#define AKECS_MODE_E2P_READ 0x02 /* E2P access mode (read). */
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#define AKECS_MODE_POWERDOWN 0x03 /* Power down mode */
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#define RBUFF_SIZE 4 /* Rx buffer size */
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/* AK8973 register address */
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#define AKECS_REG_ST 0xC0
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#define AKECS_REG_TMPS 0xC1
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#define AKECS_REG_MS1 0xE0
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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[5])
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#define ECS_IOCTL_READ _IOWR(AKMIO, 0x02, char[5])
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#define ECS_IOCTL_RESET _IO(AKMIO, 0x03)
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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[RBUFF_SIZE+1])
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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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/* 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)
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#define ECS_IOCTL_APP_GET_TFLAG _IOR(AKMIO, 0x16, short)
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#define ECS_IOCTL_APP_RESET_PEDOMETER _IO(AKMIO, 0x17)
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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) /* Set raw magnetic vector flag */
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#define ECS_IOCTL_APP_GET_MVFLAG _IOR(AKMIO, 0x1A, short) /* Get raw magnetic vector flag */
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struct akm8973_platform_data {
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short layouts[4][3][3];
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char project_name[64];
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int reset;
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int intr;
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};
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#endif
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