ath9k: Add open loop power control support for AR9287.

[pandora-kernel.git] / drivers / net / wireless / ath / ath9k / main.c

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index ada5fef..fa4c6e7 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1278,6 +1278,7 @@ void ath_detach(struct ath_softc *sc)
                        ath_tx_cleanupq(sc, &sc->tx.txq[i]);
 
        ath9k_hw_detach(sc->sc_ah);
+       sc->sc_ah = NULL;
        ath9k_exit_debug(sc);
 }
 
@@ -1292,10 +1293,16 @@ static int ath9k_reg_notifier(struct wiphy *wiphy,
        return ath_reg_notifier_apply(wiphy, request, reg);
 }
 
-static int ath_init(u16 devid, struct ath_softc *sc)
+/*
+ * Initialize and fill ath_softc, ath_sofct is the
+ * "Software Carrier" struct. Historically it has existed
+ * to allow the separation between hardware specific
+ * variables (now in ath_hw) and driver specific variables.
+ */
+static int ath_init_softc(u16 devid, struct ath_softc *sc)
 {
        struct ath_hw *ah = NULL;
-       int error = 0, i;
+       int r = 0, i;
        int csz = 0;
 
        /* XXX: hardware will not be ready until ath_open() being called */
@@ -1320,16 +1327,25 @@ static int ath_init(u16 devid, struct ath_softc *sc)
         */
        ath_read_cachesize(sc, &csz);
        /* XXX assert csz is non-zero */
-       sc->cachelsz = csz << 2;        /* convert to bytes */
+       sc->common.cachelsz = csz << 2; /* convert to bytes */
 
-       ah = ath9k_hw_attach(devid, sc, &error);
-       if (ah == NULL) {
+       ah = kzalloc(sizeof(struct ath_hw), GFP_KERNEL);
+       if (!ah) {
+               r = -ENOMEM;
+               goto bad_no_ah;
+       }
+
+       ah->ah_sc = sc;
+       ah->hw_version.devid = devid;
+       sc->sc_ah = ah;
+
+       r = ath9k_hw_init(ah);
+       if (r) {
                DPRINTF(sc, ATH_DBG_FATAL,
-                       "Unable to attach hardware; "
-                       "initialization status: %d\n", error);
+                       "Unable to initialize hardware; "
+                       "initialization status: %d\n", r);
                goto bad;
        }
-       sc->sc_ah = ah;
 
        /* Get the hardware key cache size. */
        sc->keymax = ah->caps.keycache_size;
@@ -1347,9 +1363,6 @@ static int ath_init(u16 devid, struct ath_softc *sc)
        for (i = 0; i < sc->keymax; i++)
                ath9k_hw_keyreset(ah, (u16) i);
 
-       if (error)
-               goto bad;
-
        /* default to MONITOR mode */
        sc->sc_ah->opmode = NL80211_IFTYPE_MONITOR;
 
@@ -1369,14 +1382,14 @@ static int ath_init(u16 devid, struct ath_softc *sc)
        if (sc->beacon.beaconq == -1) {
                DPRINTF(sc, ATH_DBG_FATAL,
                        "Unable to setup a beacon xmit queue\n");
-               error = -EIO;
+               r = -EIO;
                goto bad2;
        }
        sc->beacon.cabq = ath_txq_setup(sc, ATH9K_TX_QUEUE_CAB, 0);
        if (sc->beacon.cabq == NULL) {
                DPRINTF(sc, ATH_DBG_FATAL,
                        "Unable to setup CAB xmit queue\n");
-               error = -EIO;
+               r = -EIO;
                goto bad2;
        }
 
@@ -1391,26 +1404,26 @@ static int ath_init(u16 devid, struct ath_softc *sc)
        if (!ath_tx_setup(sc, ATH9K_WME_AC_BK)) {
                DPRINTF(sc, ATH_DBG_FATAL,
                        "Unable to setup xmit queue for BK traffic\n");
-               error = -EIO;
+               r = -EIO;
                goto bad2;
        }
 
        if (!ath_tx_setup(sc, ATH9K_WME_AC_BE)) {
                DPRINTF(sc, ATH_DBG_FATAL,
                        "Unable to setup xmit queue for BE traffic\n");
-               error = -EIO;
+               r = -EIO;
                goto bad2;
        }
        if (!ath_tx_setup(sc, ATH9K_WME_AC_VI)) {
                DPRINTF(sc, ATH_DBG_FATAL,
                        "Unable to setup xmit queue for VI traffic\n");
-               error = -EIO;
+               r = -EIO;
                goto bad2;
        }
        if (!ath_tx_setup(sc, ATH9K_WME_AC_VO)) {
                DPRINTF(sc, ATH_DBG_FATAL,
                        "Unable to setup xmit queue for VO traffic\n");
-               error = -EIO;
+               r = -EIO;
                goto bad2;
        }
 
@@ -1504,11 +1517,12 @@ bad2:
                if (ATH_TXQ_SETUP(sc, i))
                        ath_tx_cleanupq(sc, &sc->tx.txq[i]);
 bad:
-       if (ah)
-               ath9k_hw_detach(ah);
+       ath9k_hw_detach(ah);
+       sc->sc_ah = NULL;
+bad_no_ah:
        ath9k_exit_debug(sc);
 
-       return error;
+       return r;
 }
 
 void ath_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
@@ -1548,7 +1562,8 @@ void ath_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
                        &sc->sbands[IEEE80211_BAND_5GHZ];
 }
 
-int ath_attach(u16 devid, struct ath_softc *sc)
+/* Device driver core initialization */
+int ath_init_device(u16 devid, struct ath_softc *sc)
 {
        struct ieee80211_hw *hw = sc->hw;
        int error = 0, i;
@@ -1556,7 +1571,7 @@ int ath_attach(u16 devid, struct ath_softc *sc)
 
        DPRINTF(sc, ATH_DBG_CONFIG, "Attach ATH hw\n");
 
-       error = ath_init(devid, sc);
+       error = ath_init_softc(devid, sc);
        if (error != 0)
                return error;
 
@@ -1614,6 +1629,7 @@ error_attach:
                        ath_tx_cleanupq(sc, &sc->tx.txq[i]);
 
        ath9k_hw_detach(sc->sc_ah);
+       sc->sc_ah = NULL;
        ath9k_exit_debug(sc);
 
        return error;
@@ -2101,6 +2117,8 @@ static void ath9k_stop(struct ieee80211_hw *hw)
 
        mutex_lock(&sc->mutex);
 
+       cancel_delayed_work_sync(&sc->tx_complete_work);
+
        if (ath9k_wiphy_started(sc)) {
                mutex_unlock(&sc->mutex);
                return; /* another wiphy still in use */
@@ -2122,6 +2140,7 @@ static void ath9k_stop(struct ieee80211_hw *hw)
        /* disable HAL and put h/w to sleep */
        ath9k_hw_disable(sc->sc_ah);
        ath9k_hw_configpcipowersave(sc->sc_ah, 1);
+       ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_FULL_SLEEP);
 
        sc->sc_flags |= SC_OP_INVALID;
 
@@ -2196,8 +2215,7 @@ static int ath9k_add_interface(struct ieee80211_hw *hw,
        if ((conf->type == NL80211_IFTYPE_STATION) ||
            (conf->type == NL80211_IFTYPE_ADHOC) ||
            (conf->type == NL80211_IFTYPE_MESH_POINT)) {
-               if (ath9k_hw_phycounters(sc->sc_ah))
-                       sc->imask |= ATH9K_INT_MIB;
+               sc->imask |= ATH9K_INT_MIB;
                sc->imask |= ATH9K_INT_TSFOOR;
        }
 
@@ -2362,6 +2380,7 @@ skip_chan_change:
        (FIF_PROMISC_IN_BSS |                   \
        FIF_ALLMULTI |                          \
        FIF_CONTROL |                           \
+       FIF_PSPOLL |                            \
        FIF_OTHER_BSS |                         \
        FIF_BCN_PRBRESP_PROMISC |               \
        FIF_FCSFAIL)