RAL_RF4
rt2560_rf_write(sc, RAL_RF4, (chan == 14) ? 0x00280 : 0x00286);
rt2560_rf_write(sc, RAL_RF4, (chan == 14) ? 0x00280 : 0x00286);
rt2560_rf_write(sc, RAL_RF4, (chan == 14) ? 0x00280 : 0x00286);
rt2560_rf_write(sc, RAL_RF4, (chan == 14) ? 0x00280 : 0x00286);
rt2560_rf_write(sc, RAL_RF4, (chan == 14) ? 0x00286 : 0x00282);
rt2560_rf_write(sc, RAL_RF4, (chan & 1) ? 0x00386 : 0x00381);
rt2560_rf_write(sc, RAL_RF4, (chan & 1) ? 0x00386 : 0x00381);
rt2560_rf_write(sc, RAL_RF4, rt2560_rf5222[i].r4);
rt2661_rf_write(sc, RAL_RF4, rfprog[i].r4 | sc->rffreq << 10);
rt2661_rf_write(sc, RAL_RF4, rfprog[i].r4 | sc->rffreq << 10);
rt2661_rf_write(sc, RAL_RF4, rfprog[i].r4 | sc->rffreq << 10);
ural_rf_write(sc, RAL_RF4, (chan == 14) ? 0x00280 : 0x00286);
ural_rf_write(sc, RAL_RF4, (chan == 14) ? 0x00280 : 0x00286);
ural_rf_write(sc, RAL_RF4, (chan == 14) ? 0x00280 : 0x00286);
ural_rf_write(sc, RAL_RF4, (chan == 14) ? 0x00280 : 0x00286);
ural_rf_write(sc, RAL_RF4, (chan == 14) ? 0x00286 : 0x00282);
ural_rf_write(sc, RAL_RF4, (chan & 1) ? 0x00386 : 0x00381);
ural_rf_write(sc, RAL_RF4, (chan & 1) ? 0x00386 : 0x00381);
ural_rf_write(sc, RAL_RF4, ural_rf5222[i].r4);