MASK_WID_SH
reg_rmw(sig_detect_reg, VAL_SH(2, 1), MASK_WID_SH(2, 1));
reg_rmw(sig_detect_reg, VAL_SH(0, 1), MASK_WID_SH(2, 1));
MASK_WID_SH(2, 1));
MASK_WID_SH(8, 0));
MASK_WID_SH(8, 0));