BWN_B2063_TX_BB_SP3
BWN_RF_WRITE(mac, BWN_B2063_TX_BB_SP3, 0x3f);
{ BWN_B2063_TX_BB_SP3, 0x0 },
tmp = BWN_RF_READ(mac, BWN_B2063_TX_BB_SP3) & 0xff;
BWN_RF_WRITE(mac, BWN_B2063_TX_BB_SP3, tmp);