RT2661_PHY_CSR3
if (!(RT2661_READ(sc, RT2661_PHY_CSR3) & RT2661_BBP_BUSY))
RT2661_WRITE(sc, RT2661_PHY_CSR3, val);
val = RT2661_READ(sc, RT2661_PHY_CSR3);
if (!(RT2661_READ(sc, RT2661_PHY_CSR3) & RT2661_BBP_BUSY))
RT2661_WRITE(sc, RT2661_PHY_CSR3, tmp);