aoi_display_offset   44 include/linux/fsl-diu-fb.h #define MFB_SET_AOID		_IOW('M', 4, struct aoi_display_offset)
aoi_display_offset   45 include/linux/fsl-diu-fb.h #define MFB_GET_AOID		_IOR('M', 4, struct aoi_display_offset)