| /* |
| * 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 |
| |