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/*
* Definitions for akm8963 compass chip.
*/
#ifndef AKM8963_H
#define AKM8963_H
#include <linux/ioctl.h>
/* Device specific constant values */
#define AK8963_REG_WIA 0x00
#define AK8963_REG_INFO 0x01
#define AK8963_REG_ST1 0x02
#define AK8963_REG_HXL 0x03
#define AK8963_REG_HXH 0x04
#define AK8963_REG_HYL 0x05
#define AK8963_REG_HYH 0x06
#define AK8963_REG_HZL 0x07
#define AK8963_REG_HZH 0x08
#define AK8963_REG_ST2 0x09
#define AK8963_REG_CNTL1 0x0A
#define AK8963_REG_CNTL2 0x0B
#define AK8963_REG_ASTC 0x0C
#define AK8963_REG_TS1 0x0D
#define AK8963_REG_TS2 0x0E
#define AK8963_REG_I2CDIS 0x0F
#define AK8963_FUSE_ASAX 0x10
#define AK8963_FUSE_ASAY 0x11
#define AK8963_FUSE_ASAZ 0x12
#define AK8963_MODE_POWERDOWN 0x00
#define AK8963_MODE_SNG_MEASURE 0x01
#define AK8963_MODE_CONT1_MEASURE 0x02
#define AK8963_MODE_EXT_TRIG_MEASURE 0x04
#define AK8963_MODE_CONT2_MEASURE 0x06
#define AK8963_MODE_SELF_TEST 0x08
#define AK8963_MODE_FUSE_ACCESS 0x0F
#define AKM8963_BIT_OP_14 0x00
#define AKM8963_BIT_OP_16 0x10
#define AK8963_RESET_DATA 0x01
#define AK8963_REGS_SIZE 13
#define AK8963_WIA_VALUE 0x48
#define AKM8963_ST1_DRDY 0x01
#define AKM8963_ST1_DOR 0x02
#define AKM8963_ST2_HOLF 0x08
#define AKM8963_ST2_BITM 0x10
/* To avoid device dependency, convert to general name */
#define AKM_I2C_NAME "akm8963"
#define AKM_MISCDEV_NAME "akm8963_dev"
#define AKM_SYSCLS_NAME "compass"
#define AKM_SYSDEV_NAME "akm8963"
#define AKM_REG_MODE AK8963_REG_CNTL1
#define AKM_REG_RESET AK8963_REG_CNTL2
#define AKM_REG_STATUS AK8963_REG_ST1
#define AKM_MEASURE_TIME_US 10000
#define AKM_DRDY_IS_HIGH(x) ((x) & 0x01)
#define AKM_SENSOR_INFO_SIZE 2
#define AKM_SENSOR_CONF_SIZE 3
#define AKM_SENSOR_DATA_SIZE 8
#define AKM_YPR_DATA_SIZE 16
#define AKM_RWBUF_SIZE 16
#define AKM_REGS_SIZE AK8963_REGS_SIZE
#define AKM_REGS_1ST_ADDR AK8963_REG_WIA
#define AKM_FUSE_1ST_ADDR AK8963_FUSE_ASAX
#define AKM_MODE_SNG_MEASURE AK8963_MODE_SNG_MEASURE
#define AKM_MODE_SELF_TEST AK8963_MODE_SELF_TEST
#define AKM_MODE_FUSE_ACCESS AK8963_MODE_FUSE_ACCESS
#define AKM_MODE_POWERDOWN AK8963_MODE_POWERDOWN
#define AKM_RESET_DATA AK8963_RESET_DATA
#define ACC_DATA_FLAG 0
#define MAG_DATA_FLAG 1
#define FUSION_DATA_FLAG 2
#define AKM_NUM_SENSORS 3
#define ACC_DATA_READY (1<<(ACC_DATA_FLAG))
#define MAG_DATA_READY (1<<(MAG_DATA_FLAG))
#define FUSION_DATA_READY (1<<(FUSION_DATA_FLAG))
#define AKMIO 0xA1
/* IOCTLs for AKM library */
#define ECS_IOCTL_READ _IOWR(AKMIO, 0x01, char)
#define ECS_IOCTL_WRITE _IOW(AKMIO, 0x02, char)
#define ECS_IOCTL_RESET _IO(AKMIO, 0x03)
#define ECS_IOCTL_SET_MODE _IOW(AKMIO, 0x10, char)
#define ECS_IOCTL_SET_YPR _IOW(AKMIO, 0x11, int[AKM_YPR_DATA_SIZE])
#define ECS_IOCTL_GET_INFO _IOR(AKMIO, 0x20, unsigned char[AKM_SENSOR_INFO_SIZE])
#define ECS_IOCTL_GET_CONF _IOR(AKMIO, 0x21, unsigned char[AKM_SENSOR_CONF_SIZE])
#define ECS_IOCTL_GET_DATA _IOR(AKMIO, 0x22, unsigned char[AKM_SENSOR_DATA_SIZE])
#define ECS_IOCTL_GET_OPEN_STATUS _IOR(AKMIO, 0x23, int)
#define ECS_IOCTL_GET_CLOSE_STATUS _IOR(AKMIO, 0x24, int)
#define ECS_IOCTL_GET_DELAY _IOR(AKMIO, 0x25, long long int)
#define ECS_IOCTL_GET_LAYOUT _IOR(AKMIO, 0x26, char)
#define ECS_IOCTL_GET_ACCEL _IOR(AKMIO, 0x30, short[3])
struct akm8963_platform_data {
char layout;
int auto_report;
int gpio_DRDY;
int gpio_rstn;
int gpio_int;
unsigned int int_flags;
bool use_int;
};
#endif
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