BWN_PHY_TX_PWR_CTL_CMD
ctl = BWN_PHY_READ(mac, BWN_PHY_TX_PWR_CTL_CMD);
BWN_PHY_SETMASK(mac, BWN_PHY_TX_PWR_CTL_CMD, 0xff80,
BWN_PHY_SETMASK(mac, BWN_PHY_TX_PWR_CTL_CMD,