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path: root/drivers/net/wireless/ath/ath9k/init.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/init.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/init.c81
1 files changed, 34 insertions, 47 deletions
diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index aa0ff7e2c92..af1b3254953 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -270,8 +270,8 @@ static void setup_ht_cap(struct ath_softc *sc,
/* set up supported mcs set */
memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
- tx_streams = ath9k_cmn_count_streams(common->tx_chainmask, max_streams);
- rx_streams = ath9k_cmn_count_streams(common->rx_chainmask, max_streams);
+ tx_streams = ath9k_cmn_count_streams(ah->txchainmask, max_streams);
+ rx_streams = ath9k_cmn_count_streams(ah->rxchainmask, max_streams);
ath_dbg(common, ATH_DBG_CONFIG,
"TX streams %d, RX streams: %d\n",
@@ -404,31 +404,6 @@ fail:
return error;
}
-void ath9k_init_crypto(struct ath_softc *sc)
-{
- struct ath_common *common = ath9k_hw_common(sc->sc_ah);
- int i = 0;
-
- /* Get the hardware key cache size. */
- common->keymax = AR_KEYTABLE_SIZE;
-
- /*
- * Reset the key cache since some parts do not
- * reset the contents on initial power up.
- */
- for (i = 0; i < common->keymax; i++)
- ath_hw_keyreset(common, (u16) i);
-
- /*
- * Check whether the separate key cache entries
- * are required to handle both tx+rx MIC keys.
- * With split mic keys the number of stations is limited
- * to 27 otherwise 59.
- */
- if (sc->sc_ah->misc_mode & AR_PCU_MIC_NEW_LOC_ENA)
- common->crypt_caps |= ATH_CRYPT_CAP_MIC_COMBINED;
-}
-
static int ath9k_init_btcoex(struct ath_softc *sc)
{
struct ath_txq *txq;
@@ -531,10 +506,6 @@ static void ath9k_init_misc(struct ath_softc *sc)
sc->sc_flags |= SC_OP_RXAGGR;
}
- common->tx_chainmask = sc->sc_ah->caps.tx_chainmask;
- common->rx_chainmask = sc->sc_ah->caps.rx_chainmask;
-
- ath9k_hw_set_diversity(sc->sc_ah, true);
sc->rx.defant = ath9k_hw_getdefantenna(sc->sc_ah);
memcpy(common->bssidmask, ath_bcast_mac, ETH_ALEN);
@@ -548,7 +519,7 @@ static void ath9k_init_misc(struct ath_softc *sc)
sc->ant_comb.count = ATH_ANT_DIV_COMB_INIT_COUNT;
}
-static int ath9k_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
+static int ath9k_init_softc(u16 devid, struct ath_softc *sc,
const struct ath_bus_ops *bus_ops)
{
struct ath9k_platform_data *pdata = sc->dev->platform_data;
@@ -563,10 +534,10 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
ah->hw = sc->hw;
ah->hw_version.devid = devid;
- ah->hw_version.subsysid = subsysid;
ah->reg_ops.read = ath9k_ioread32;
ah->reg_ops.write = ath9k_iowrite32;
ah->reg_ops.rmw = ath9k_reg_rmw;
+ atomic_set(&ah->intr_ref_cnt, -1);
sc->sc_ah = ah;
if (!pdata) {
@@ -597,6 +568,7 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
mutex_init(&sc->mutex);
#ifdef CONFIG_ATH9K_DEBUGFS
spin_lock_init(&sc->nodes_lock);
+ spin_lock_init(&sc->debug.samp_lock);
INIT_LIST_HEAD(&sc->nodes);
#endif
tasklet_init(&sc->intr_tq, ath9k_tasklet, (unsigned long)sc);
@@ -630,7 +602,7 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
if (ret)
goto err_btcoex;
- ath9k_init_crypto(sc);
+ ath9k_cmn_init_crypto(sc->sc_ah);
ath9k_init_misc(sc);
return 0;
@@ -654,7 +626,6 @@ static void ath9k_init_band_txpower(struct ath_softc *sc, int band)
struct ieee80211_supported_band *sband;
struct ieee80211_channel *chan;
struct ath_hw *ah = sc->sc_ah;
- struct ath_regulatory *reg = ath9k_hw_regulatory(ah);
int i;
sband = &sc->sbands[band];
@@ -663,17 +634,14 @@ static void ath9k_init_band_txpower(struct ath_softc *sc, int band)
ah->curchan = &ah->channels[chan->hw_value];
ath9k_cmn_update_ichannel(ah->curchan, chan, NL80211_CHAN_HT20);
ath9k_hw_set_txpowerlimit(ah, MAX_RATE_POWER, true);
- chan->max_power = reg->max_power_level / 2;
}
}
static void ath9k_init_txpower_limits(struct ath_softc *sc)
{
struct ath_hw *ah = sc->sc_ah;
- struct ath_common *common = ath9k_hw_common(sc->sc_ah);
struct ath9k_channel *curchan = ah->curchan;
- ah->txchainmask = common->tx_chainmask;
if (ah->caps.hw_caps & ATH9K_HW_CAP_2GHZ)
ath9k_init_band_txpower(sc, IEEE80211_BAND_2GHZ);
if (ah->caps.hw_caps & ATH9K_HW_CAP_5GHZ)
@@ -682,9 +650,22 @@ static void ath9k_init_txpower_limits(struct ath_softc *sc)
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 |
@@ -722,6 +703,16 @@ void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
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
@@ -733,17 +724,12 @@ void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
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);
}
-int ath9k_init_device(u16 devid, struct ath_softc *sc, u16 subsysid,
+int ath9k_init_device(u16 devid, struct ath_softc *sc,
const struct ath_bus_ops *bus_ops)
{
struct ieee80211_hw *hw = sc->hw;
@@ -753,7 +739,7 @@ int ath9k_init_device(u16 devid, struct ath_softc *sc, u16 subsysid,
struct ath_regulatory *reg;
/* Bring up device */
- error = ath9k_init_softc(devid, sc, subsysid, bus_ops);
+ error = ath9k_init_softc(devid, sc, bus_ops);
if (error != 0)
goto error_init;
@@ -806,6 +792,7 @@ int ath9k_init_device(u16 devid, struct ath_softc *sc, u16 subsysid,
goto error_world;
}
+ INIT_WORK(&sc->hw_reset_work, ath_reset_work);
INIT_WORK(&sc->hw_check_work, ath_hw_check);
INIT_WORK(&sc->paprd_work, ath_paprd_calibrate);
INIT_DELAYED_WORK(&sc->hw_pll_work, ath_hw_pll_work);