S_DRD_WR_DATA_REG
#define V_DRD_WR_DATA_REG(x) ((x) << S_DRD_WR_DATA_REG)
#define G_DRD_WR_DATA_REG(x) (((x) >> S_DRD_WR_DATA_REG) & M_DRD_WR_DATA_REG)