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)