103 lines
3.5 KiB
C
Executable File
103 lines
3.5 KiB
C
Executable File
/*
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* Definitions for akm09911 compass chip.
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*/
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#ifndef AKM09911_H
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#define AKM09911_H
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#include <linux/ioctl.h>
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/* Device specific constant values */
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#define AK09911_REG_WIA1 0x00
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#define AK09911_REG_WIA2 0x01
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#define AK09911_REG_INFO1 0x02
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#define AK09911_REG_INFO2 0x03
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#define AK09911_REG_ST1 0x10
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#define AK09911_REG_HXL 0x11
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#define AK09911_REG_HXH 0x12
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#define AK09911_REG_HYL 0x13
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#define AK09911_REG_HYH 0x14
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#define AK09911_REG_HZL 0x15
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#define AK09911_REG_HZH 0x16
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#define AK09911_REG_TMPS 0x17
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#define AK09911_REG_ST2 0x18
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#define AK09911_REG_CNTL1 0x30
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#define AK09911_REG_CNTL2 0x31
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#define AK09911_REG_CNTL3 0x32
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#define AK09911_FUSE_ASAX 0x60
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#define AK09911_FUSE_ASAY 0x61
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#define AK09911_FUSE_ASAZ 0x62
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#define AK09911_MODE_SNG_MEASURE 0x01
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#define AK09911_MODE_SELF_TEST 0x10
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#define AK09911_MODE_FUSE_ACCESS 0x1F
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#define AK09911_MODE_POWERDOWN 0x00
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#define AK09911_RESET_DATA 0x01
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/* To avoid device dependency, convert to general name */
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#define AKM_I2C_NAME "akm09911"
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#define AKM_MISCDEV_NAME "akm_dev"
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#define AKM_SYSCLS_NAME "compass"
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#define AKM_SYSDEV_NAME "akm09911"
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#define AKM_REG_MODE AK09911_REG_CNTL2
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#define AKM_REG_RESET AK09911_REG_CNTL3
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#define AKM_REG_STATUS AK09911_REG_ST1
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#define AKM_WIA_VALE 0x48
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#define AKM_MEASURE_TIME_US 10000
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#define AKM_DRDY_IS_HIGH(x) ((x) & 0x01)
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#define AKM_SENSOR_INFO_SIZE 2
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#define AKM_SENSOR_CONF_SIZE 3
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#define AKM_SENSOR_DATA_SIZE 9
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#define AKM_YPR_DATA_SIZE 16
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#define AKM_RWBUF_SIZE 16
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#define AKM_MODE_SNG_MEASURE AK09911_MODE_SNG_MEASURE
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#define AKM_MODE_SELF_TEST AK09911_MODE_SELF_TEST
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#define AKM_MODE_FUSE_ACCESS AK09911_MODE_FUSE_ACCESS
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#define AKM_MODE_POWERDOWN AK09911_MODE_POWERDOWN
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#define AKM_RESET_DATA AK09911_RESET_DATA
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#define ACC_DATA_FLAG 0
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#define MAG_DATA_FLAG 1
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#define FUSION_DATA_FLAG 2
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#define AKM_NUM_SENSORS 3
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#define ACC_DATA_READY (1<<(ACC_DATA_FLAG))
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#define MAG_DATA_READY (1<<(MAG_DATA_FLAG))
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#define FUSION_DATA_READY (1<<(FUSION_DATA_FLAG))
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#define COMPASS_IOCTL_MAGIC 'c'
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/* IOCTLs for AKM library */
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#define ECS_IOCTL_WRITE _IOW(COMPASS_IOCTL_MAGIC, 0x01, char*)
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#define ECS_IOCTL_READ _IOWR(COMPASS_IOCTL_MAGIC, 0x02, char*)
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#define ECS_IOCTL_RESET _IO(COMPASS_IOCTL_MAGIC, 0x03) /* NOT used in AK8975 */
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#define ECS_IOCTL_SET_MODE _IOW(COMPASS_IOCTL_MAGIC, 0x04, short)
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#define ECS_IOCTL_GETDATA _IOR(COMPASS_IOCTL_MAGIC, 0x05, char[8])
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#define ECS_IOCTL_SET_YPR _IOW(COMPASS_IOCTL_MAGIC, 0x06, short[12])
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#define ECS_IOCTL_GET_OPEN_STATUS _IOR(COMPASS_IOCTL_MAGIC, 0x07, int)
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#define ECS_IOCTL_GET_CLOSE_STATUS _IOR(COMPASS_IOCTL_MAGIC, 0x08, int)
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#define ECS_IOCTL_GET_LAYOUT _IOR(COMPASS_IOCTL_MAGIC, 0x09, char)
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#define ECS_IOCTL_GET_ACCEL _IOR(COMPASS_IOCTL_MAGIC, 0x0A, short[3])
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#define ECS_IOCTL_GET_OUTBIT _IOR(COMPASS_IOCTL_MAGIC, 0x0B, char)
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#define ECS_IOCTL_GET_INFO _IOR(COMPASS_IOCTL_MAGIC, 0x27, unsigned char[AKM_SENSOR_INFO_SIZE])
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#define ECS_IOCTL_GET_CONF _IOR(COMPASS_IOCTL_MAGIC, 0x28, unsigned char[AKM_SENSOR_CONF_SIZE])
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#define ECS_IOCTL_GET_PLATFORM_DATA _IOR(COMPASS_IOCTL_MAGIC, 0x0E, struct akm_platform_data)
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#define ECS_IOCTL_GET_DELAY _IOR(COMPASS_IOCTL_MAGIC, 0x30, short)
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struct akm_platform_data {
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short m_layout[4][3][3];
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char project_name[64];
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char layout;
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char outbit;
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int gpio_DRDY;
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int gpio_RST;
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};
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#endif
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