mxc_isi_reg
struct mxc_isi_reg oflw_y_buf_en;
struct mxc_isi_reg oflw_u_buf_en;
struct mxc_isi_reg oflw_v_buf_en;
struct mxc_isi_reg excs_oflw_y_buf_en;
struct mxc_isi_reg excs_oflw_u_buf_en;
struct mxc_isi_reg excs_oflw_v_buf_en;
struct mxc_isi_reg panic_y_buf_en;
struct mxc_isi_reg panic_v_buf_en;
struct mxc_isi_reg panic_u_buf_en;