/* * Definitions for akm8976 compass chip. */ #ifndef AKM8976_H #define AKM8976_H #include /* Compass device dependent definition */ #define AKECS_MODE_MEASURE 0x00 /* Starts measurement. Please use AKECS_MODE_MEASURE_SNG */ /* or AKECS_MODE_MEASURE_SEQ instead of this. */ #define AKECS_MODE_PFFD 0x01 /* Start pedometer and free fall detect. */ #define AKECS_MODE_E2P_READ 0x02 /* E2P access mode (read). */ #define AKECS_MODE_POWERDOWN 0x03 /* Power down mode */ #define AKECS_MODE_MEASURE_SNG 0x10 /* Starts single measurement */ #define AKECS_MODE_MEASURE_SEQ 0x11 /* Starts sequential measurement */ /* Default register settings */ #define CSPEC_AINT 0x01 /* Amplification for acceleration sensor */ #define CSPEC_SNG_NUM 0x01 /* Single measurement mode */ #define CSPEC_SEQ_NUM 0x02 /* Sequential measurement mode */ #define CSPEC_SFRQ_32 0x00 /* Measurement frequency: 32Hz */ #define CSPEC_SFRQ_64 0x01 /* Measurement frequency: 64Hz */ #define CSPEC_MCS 0x07 /* Clock frequency */ #define CSPEC_MKS 0x01 /* Clock type: CMOS level */ #define CSPEC_INTEN 0x01 /* Interruption pin enable: Enable */ #define RBUFF_SIZE 31 /* Rx buffer size */ #define MAX_CALI_SIZE 0x1000U /* calibration buffer size */ /* AK8976A register address */ #define AKECS_REG_ST 0xC0 #define AKECS_REG_TMPS 0xC1 #define AKECS_REG_MS1 0xE0 #define AKECS_REG_MS2 0xE1 #define AKECS_REG_MS3 0xE2 #define AKMIO 0xA1 /* IOCTLs for AKM library */ #define ECS_IOCTL_INIT _IO(AKMIO, 0x01) #define ECS_IOCTL_WRITE _IOW(AKMIO, 0x02, char[5]) #define ECS_IOCTL_READ _IOWR(AKMIO, 0x03, char[5]) #define ECS_IOCTL_RESET _IO(AKMIO, 0x04) #define ECS_IOCTL_INT_STATUS _IO(AKMIO, 0x05) #define ECS_IOCTL_FFD_STATUS _IO(AKMIO, 0x06) #define ECS_IOCTL_SET_MODE _IOW(AKMIO, 0x07, short) #define ECS_IOCTL_GETDATA _IOR(AKMIO, 0x08, char[RBUFF_SIZE+1]) #define ECS_IOCTL_GET_NUMFRQ _IOR(AKMIO, 0x09, char[2]) #define ECS_IOCTL_SET_PERST _IO(AKMIO, 0x0A) #define ECS_IOCTL_SET_G0RST _IO(AKMIO, 0x0B) #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_CALI_DATA _IOR(AKMIO, 0x0F, char[MAX_CALI_SIZE]) #define ECS_IOCTL_GET_DELAY _IOR(AKMIO, 0x30, short) /* IOCTLs for APPs */ #define ECS_IOCTL_APP_SET_MODE _IOW(AKMIO, 0x10, short) #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_TFLAG _IOR(AKMIO, 0x15, short) #define ECS_IOCTL_APP_GET_TFLAG _IOR(AKMIO, 0x16, short) #define ECS_IOCTL_APP_RESET_PEDOMETER _IO(AKMIO, 0x17) #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 */ /* IOCTLs for pedometer */ #define ECS_IOCTL_SET_STEP_CNT _IOW(AKMIO, 0x20, short) /* Default GPIO setting */ #define ECS_RST 146 /*MISC4, bit2 */ #define ECS_CLK_ON 155 /*MISC5, bit3 */ #define ECS_INTR 161 /*INT2, bit1 */ struct akm8976_platform_data { int reset; int clk_on; int intr; }; extern char *get_akm_cal_ram(void); #endif