| /* |
| * Definitions for akm8976 compass chip. |
| */ |
| #ifndef AKM8976_H |
| #define AKM8976_H |
| |
| #include <linux/ioctl.h> |
| |
| /* 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 |
| |
