+++ /dev/null
---- a/drivers/net/wireless/ath/ath9k/init.c
-+++ b/drivers/net/wireless/ath/ath9k/init.c
-@@ -652,9 +652,22 @@ static void ath9k_init_txpower_limits(st
- ah->curchan = curchan;
- }
-
-+void ath9k_reload_chainmask_settings(struct ath_softc *sc)
-+{
-+ if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT))
-+ return;
-+
-+ if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_2GHZ)
-+ setup_ht_cap(sc, &sc->sbands[IEEE80211_BAND_2GHZ].ht_cap);
-+ if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_5GHZ)
-+ setup_ht_cap(sc, &sc->sbands[IEEE80211_BAND_5GHZ].ht_cap);
-+}
-+
-+
- void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
- {
-- struct ath_common *common = ath9k_hw_common(sc->sc_ah);
-+ struct ath_hw *ah = sc->sc_ah;
-+ struct ath_common *common = ath9k_hw_common(ah);
-
- hw->flags = IEEE80211_HW_RX_INCLUDES_FCS |
- IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
-@@ -692,6 +705,16 @@ void ath9k_set_hw_capab(struct ath_softc
- hw->sta_data_size = sizeof(struct ath_node);
- hw->vif_data_size = sizeof(struct ath_vif);
-
-+ hw->wiphy->available_antennas_rx = BIT(ah->caps.max_rxchains) - 1;
-+ hw->wiphy->available_antennas_tx = BIT(ah->caps.max_txchains) - 1;
-+
-+ /* single chain devices with rx diversity */
-+ if (ah->caps.hw_caps & ATH9K_HW_CAP_ANT_DIV_COMB)
-+ hw->wiphy->available_antennas_rx = BIT(0) | BIT(1);
-+
-+ sc->ant_rx = hw->wiphy->available_antennas_rx;
-+ sc->ant_tx = hw->wiphy->available_antennas_tx;
-+
- #ifdef CONFIG_ATH9K_RATE_CONTROL
- hw->rate_control_algorithm = "ath9k_rate_control";
- #endif
-@@ -703,12 +726,7 @@ void ath9k_set_hw_capab(struct ath_softc
- hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
- &sc->sbands[IEEE80211_BAND_5GHZ];
-
-- if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT) {
-- if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_2GHZ)
-- setup_ht_cap(sc, &sc->sbands[IEEE80211_BAND_2GHZ].ht_cap);
-- if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_5GHZ)
-- setup_ht_cap(sc, &sc->sbands[IEEE80211_BAND_5GHZ].ht_cap);
-- }
-+ ath9k_reload_chainmask_settings(sc);
-
- SET_IEEE80211_PERM_ADDR(hw, common->macaddr);
- }
---- a/drivers/net/wireless/ath/ath9k/ath9k.h
-+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
-@@ -654,6 +654,7 @@ struct ath_softc {
- struct ath_descdma txsdma;
-
- struct ath_ant_comb ant_comb;
-+ u8 ant_tx, ant_rx;
- };
-
- void ath9k_tasklet(unsigned long data);
-@@ -674,6 +675,7 @@ int ath9k_init_device(u16 devid, struct
- const struct ath_bus_ops *bus_ops);
- void ath9k_deinit_device(struct ath_softc *sc);
- void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw);
-+void ath9k_reload_chainmask_settings(struct ath_softc *sc);
-
- void ath_radio_disable(struct ath_softc *sc, struct ieee80211_hw *hw);
- bool ath9k_uses_beacons(int type);
---- a/drivers/net/wireless/ath/ath9k/main.c
-+++ b/drivers/net/wireless/ath/ath9k/main.c
-@@ -280,6 +280,22 @@ static bool ath_complete_reset(struct at
- ath_start_ani(common);
- }
-
-+ if (ath9k_hw_ops(ah)->antdiv_comb_conf_get && sc->ant_rx != 3) {
-+ struct ath_hw_antcomb_conf div_ant_conf;
-+ u8 lna_conf;
-+
-+ ath9k_hw_antdiv_comb_conf_get(ah, &div_ant_conf);
-+
-+ if (sc->ant_rx == 1)
-+ lna_conf = ATH_ANT_DIV_COMB_LNA1;
-+ else
-+ lna_conf = ATH_ANT_DIV_COMB_LNA2;
-+ div_ant_conf.main_lna_conf = lna_conf;
-+ div_ant_conf.alt_lna_conf = lna_conf;
-+
-+ ath9k_hw_antdiv_comb_conf_set(ah, &div_ant_conf);
-+ }
-+
- ieee80211_wake_queues(sc->hw);
-
- return true;
-@@ -2383,6 +2399,59 @@ static int ath9k_get_stats(struct ieee80
- return 0;
- }
-
-+static u32 fill_chainmask(u32 cap, u32 new)
-+{
-+ u32 filled = 0;
-+ int i;
-+
-+ for (i = 0; cap && new; i++, cap >>= 1) {
-+ if (!(cap & BIT(0)))
-+ continue;
-+
-+ if (new & BIT(0))
-+ filled |= BIT(i);
-+
-+ new >>= 1;
-+ }
-+
-+ return filled;
-+}
-+
-+static int ath9k_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
-+{
-+ struct ath_softc *sc = hw->priv;
-+ struct ath_hw *ah = sc->sc_ah;
-+
-+ if (!rx_ant || !tx_ant)
-+ return -EINVAL;
-+
-+ sc->ant_rx = rx_ant;
-+ sc->ant_tx = tx_ant;
-+
-+ if (ah->caps.rx_chainmask == 1)
-+ return 0;
-+
-+ /* AR9100 runs into calibration issues if not all rx chains are enabled */
-+ if (AR_SREV_9100(ah))
-+ ah->rxchainmask = 0x7;
-+ else
-+ ah->rxchainmask = fill_chainmask(ah->caps.rx_chainmask, rx_ant);
-+
-+ ah->txchainmask = fill_chainmask(ah->caps.tx_chainmask, tx_ant);
-+ ath9k_reload_chainmask_settings(sc);
-+
-+ return 0;
-+}
-+
-+static int ath9k_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant)
-+{
-+ struct ath_softc *sc = hw->priv;
-+
-+ *tx_ant = sc->ant_tx;
-+ *rx_ant = sc->ant_rx;
-+ return 0;
-+}
-+
- struct ieee80211_ops ath9k_ops = {
- .tx = ath9k_tx,
- .start = ath9k_start,
-@@ -2409,4 +2478,6 @@ struct ieee80211_ops ath9k_ops = {
- .tx_frames_pending = ath9k_tx_frames_pending,
- .tx_last_beacon = ath9k_tx_last_beacon,
- .get_stats = ath9k_get_stats,
-+ .set_antenna = ath9k_set_antenna,
-+ .get_antenna = ath9k_get_antenna,
- };
---- a/drivers/net/wireless/ath/ath9k/recv.c
-+++ b/drivers/net/wireless/ath/ath9k/recv.c
-@@ -1956,7 +1956,7 @@ int ath_rx_tasklet(struct ath_softc *sc,
- ath_rx_ps(sc, skb);
- spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
-
-- if (ah->caps.hw_caps & ATH9K_HW_CAP_ANT_DIV_COMB)
-+ if ((ah->caps.hw_caps & ATH9K_HW_CAP_ANT_DIV_COMB) && sc->ant_rx == 3)
- ath_ant_comb_scan(sc, &rs);
-
- ieee80211_rx(hw, skb);
projects / openwrt-10.03 / .git / blobdiff