CG_FDO_CTRL2__TMIN_MASK
tmp = (RREG32(mmCG_FDO_CTRL2) & CG_FDO_CTRL2__TMIN_MASK) >> CG_FDO_CTRL2__TMIN__SHIFT;
tmp = RREG32(mmCG_FDO_CTRL2) & ~CG_FDO_CTRL2__TMIN_MASK;
tmp = RREG32(mmCG_FDO_CTRL2) & ~CG_FDO_CTRL2__TMIN_MASK;