diff --git a/libc/kernel/original/linux/akm8973.h b/libc/kernel/original/linux/akm8973.h
new file mode 100644
index 0000000..0798cf6
--- /dev/null
+++ b/libc/kernel/original/linux/akm8973.h
@@ -0,0 +1,33 @@
+#ifndef AKM8973_H
+#define AKM8973_H
+
+#include <linux/ioctl.h>
+
+#define AKMIO 0xA1
+
+#define ECS_IOCTL_WRITE                 _IOW(AKMIO, 0x01, char[5])
+#define ECS_IOCTL_READ                  _IOWR(AKMIO, 0x02, char[5])
+#define ECS_IOCTL_RESET                 _IO(AKMIO, 0x03)
+#define ECS_IOCTL_SET_MODE              _IOW(AKMIO, 0x04, short)
+#define ECS_IOCTL_GETDATA               _IOR(AKMIO, 0x05, char[RBUFF_SIZE+1])
+#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, short)
+
+#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 */
+
+#define ECS_IOCTL_SET_STEP_CNT          _IOW(AKMIO, 0x20, short)
+#endif
+