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/*
* Definitions for ak8973 compass chip.
*/
#ifndef AK8973B_H
#define AK8973B_H
#include <linux/ioctl.h>
#define SENSOR_OPER_MODE 1 /*0: acc only, 1: all */
#define SENSOR_DATA_SIZE 5 /* Rx buffer size. i.e ST,TMPS,H1X,H1Y,H1Z*/
/* 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 */
#define AKECS_REG_ST 0xC0
#define AKECS_REG_TMPS 0xC1
#define AKECS_REG_H1X 0xC2
#define AKECS_REG_H1Y 0xC3
#define AKECS_REG_H1Z 0xC4
#define AKECS_REG_MS1 0xE0
#define AKECS_REG_HXDA 0xE1
#define AKECS_REG_HYDA 0xE2
#define AKECS_REG_HZDA 0xE3
#define AKECS_REG_HXGA 0xE4
#define AKECS_REG_HYGA 0xE5
#define AKECS_REG_HZGA 0xE6
// AKECS EEPROM address
#define AKECS_EEP_ETS 0x62
#define AKECS_EEP_EVIR 0x63
#define AKECS_EEP_EIHE 0x64
#define AKECS_EEP_ETST 0x65
#define AKECS_EEP_EHXGA 0x66
#define AKECS_EEP_EHYGA 0x67
#define AKECS_EEP_EHZGA 0x68
#define AKMIO 0xA1
/* IOCTLs for AKM library */
#define AKMIO 0xA1
/* IOCTLs for AKM library */
#define ECS_IOCTL_WRITE _IOW(AKMIO, 0x01, char[2])
#define ECS_IOCTL_READ _IOWR(AKMIO, 0x02, char[2])
#define ECS_IOCTL_RESET _IO(AKMIO, 0x03)
#define ECS_IOCTL_SET_MODE _IOW(AKMIO, 0x04, short)
#define ECS_IOCTL_GETDATA _IOR(AKMIO, 0x05, char[SENSOR_DATA_SIZE])
#define ECS_IOCTL_SET_YPR _IOW(AKMIO, 0x06, short[12])
#define ECS_IOCTL_GET_OPEN_STATUS _IOR(AKMIO, 0x07, int)
#define ECS_IOCTL_GET_CLOSE_STATUS _IOR(AKMIO, 0x08, int)
#define ECS_IOCTL_GET_DELAY _IOR(AKMIO, 0x30, int64_t)
#define ECS_IOCTL_GET_PROJECT_NAME _IOR(AKMIO, 0x0D, char[64])
#define ECS_IOCTL_GET_MATRIX _IOR(AKMIO, 0x0E, short[4][3][3])
/* 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 _IOR(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 _IOW(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, int64_t)
#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)
#define ECS_IOCTL_APP_SET_ACC_MODE _IO(AKMIO, 0x21)
/* Default GPIO setting */
#define ECS_RST 108 /*MISC4, bit2 */
//#define ECS_CLK_ON 103 //for compile, dont necessary
//#define ECS_INTR 102 /*INT2, bit1 */
#define AK8973B_PERIOD 500000000 //0.5 sec
/*********** for debug **********************************************************/
#if 0
#define gprintk(fmt, x... ) printk( "%s(%d): " fmt, __FUNCTION__ ,__LINE__, ## x)
#else
#define gprintk(x...) do { } while (0)
#endif
/*******************************************************************************/
struct akm8976_platform_data {
int reset;
int clk_on;
int intr;
};
#endif
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