1 files changed, 271 insertions, 351 deletions

diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
index 071d0c97474..8a3bd5fe3a5 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2010 Atheros Communications Inc.
+ * Copyright (c) 2010-2011 Atheros Communications Inc.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -14,6 +14,8 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include "htc.h"
 
 MODULE_AUTHOR("Atheros Communications");
@@ -28,94 +30,28 @@ int htc_modparam_nohwcrypt;
 module_param_named(nohwcrypt, htc_modparam_nohwcrypt, int, 0444);
 MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption");
 
-#define CHAN2G(_freq, _idx)  { \
-	.center_freq = (_freq), \
-	.hw_value = (_idx), \
-	.max_power = 20, \
-}
-
-#define CHAN5G(_freq, _idx) { \
-	.band = IEEE80211_BAND_5GHZ, \
-	.center_freq = (_freq), \
-	.hw_value = (_idx), \
-	.max_power = 20, \
-}
-
-#define ATH_HTC_BTCOEX_PRODUCT_ID "wb193"
-
-static struct ieee80211_channel ath9k_2ghz_channels[] = {
-	CHAN2G(2412, 0), /* Channel 1 */
-	CHAN2G(2417, 1), /* Channel 2 */
-	CHAN2G(2422, 2), /* Channel 3 */
-	CHAN2G(2427, 3), /* Channel 4 */
-	CHAN2G(2432, 4), /* Channel 5 */
-	CHAN2G(2437, 5), /* Channel 6 */
-	CHAN2G(2442, 6), /* Channel 7 */
-	CHAN2G(2447, 7), /* Channel 8 */
-	CHAN2G(2452, 8), /* Channel 9 */
-	CHAN2G(2457, 9), /* Channel 10 */
-	CHAN2G(2462, 10), /* Channel 11 */
-	CHAN2G(2467, 11), /* Channel 12 */
-	CHAN2G(2472, 12), /* Channel 13 */
-	CHAN2G(2484, 13), /* Channel 14 */
-};
-
-static struct ieee80211_channel ath9k_5ghz_channels[] = {
-	/* _We_ call this UNII 1 */
-	CHAN5G(5180, 14), /* Channel 36 */
-	CHAN5G(5200, 15), /* Channel 40 */
-	CHAN5G(5220, 16), /* Channel 44 */
-	CHAN5G(5240, 17), /* Channel 48 */
-	/* _We_ call this UNII 2 */
-	CHAN5G(5260, 18), /* Channel 52 */
-	CHAN5G(5280, 19), /* Channel 56 */
-	CHAN5G(5300, 20), /* Channel 60 */
-	CHAN5G(5320, 21), /* Channel 64 */
-	/* _We_ call this "Middle band" */
-	CHAN5G(5500, 22), /* Channel 100 */
-	CHAN5G(5520, 23), /* Channel 104 */
-	CHAN5G(5540, 24), /* Channel 108 */
-	CHAN5G(5560, 25), /* Channel 112 */
-	CHAN5G(5580, 26), /* Channel 116 */
-	CHAN5G(5600, 27), /* Channel 120 */
-	CHAN5G(5620, 28), /* Channel 124 */
-	CHAN5G(5640, 29), /* Channel 128 */
-	CHAN5G(5660, 30), /* Channel 132 */
-	CHAN5G(5680, 31), /* Channel 136 */
-	CHAN5G(5700, 32), /* Channel 140 */
-	/* _We_ call this UNII 3 */
-	CHAN5G(5745, 33), /* Channel 149 */
-	CHAN5G(5765, 34), /* Channel 153 */
-	CHAN5G(5785, 35), /* Channel 157 */
-	CHAN5G(5805, 36), /* Channel 161 */
-	CHAN5G(5825, 37), /* Channel 165 */
-};
-
-/* Atheros hardware rate code addition for short premble */
-#define SHPCHECK(__hw_rate, __flags) \
-	((__flags & IEEE80211_RATE_SHORT_PREAMBLE) ? (__hw_rate | 0x04) : 0)
-
-#define RATE(_bitrate, _hw_rate, _flags) {		\
-	.bitrate	= (_bitrate),			\
-	.flags		= (_flags),			\
-	.hw_value	= (_hw_rate),			\
-	.hw_value_short = (SHPCHECK(_hw_rate, _flags))	\
-}
-
-static struct ieee80211_rate ath9k_legacy_rates[] = {
-	RATE(10, 0x1b, 0),
-	RATE(20, 0x1a, IEEE80211_RATE_SHORT_PREAMBLE), /* shortp : 0x1e */
-	RATE(55, 0x19, IEEE80211_RATE_SHORT_PREAMBLE), /* shortp: 0x1d */
-	RATE(110, 0x18, IEEE80211_RATE_SHORT_PREAMBLE), /* short: 0x1c */
-	RATE(60, 0x0b, 0),
-	RATE(90, 0x0f, 0),
-	RATE(120, 0x0a, 0),
-	RATE(180, 0x0e, 0),
-	RATE(240, 0x09, 0),
-	RATE(360, 0x0d, 0),
-	RATE(480, 0x08, 0),
-	RATE(540, 0x0c, 0),
+static int ath9k_htc_btcoex_enable;
+module_param_named(btcoex_enable, ath9k_htc_btcoex_enable, int, 0444);
+MODULE_PARM_DESC(btcoex_enable, "Enable wifi-BT coexistence");
+
+static int ath9k_ps_enable;
+module_param_named(ps_enable, ath9k_ps_enable, int, 0444);
+MODULE_PARM_DESC(ps_enable, "Enable WLAN PowerSave");
+
+#ifdef CONFIG_MAC80211_LEDS
+static const struct ieee80211_tpt_blink ath9k_htc_tpt_blink[] = {
+	{ .throughput = 0 * 1024, .blink_time = 334 },
+	{ .throughput = 1 * 1024, .blink_time = 260 },
+	{ .throughput = 5 * 1024, .blink_time = 220 },
+	{ .throughput = 10 * 1024, .blink_time = 190 },
+	{ .throughput = 20 * 1024, .blink_time = 170 },
+	{ .throughput = 50 * 1024, .blink_time = 150 },
+	{ .throughput = 70 * 1024, .blink_time = 130 },
+	{ .throughput = 100 * 1024, .blink_time = 110 },
+	{ .throughput = 200 * 1024, .blink_time = 80 },
+	{ .throughput = 300 * 1024, .blink_time = 50 },
 };
+#endif
 
 static int ath9k_htc_wait_for_target(struct ath9k_htc_priv *priv)
 {
@@ -140,11 +76,7 @@ static int ath9k_htc_wait_for_target(struct ath9k_htc_priv *priv)
 
 static void ath9k_deinit_priv(struct ath9k_htc_priv *priv)
 {
-	ath9k_htc_exit_debug(priv->ah);
 	ath9k_hw_deinit(priv->ah);
-	tasklet_kill(&priv->wmi_tasklet);
-	tasklet_kill(&priv->rx_tasklet);
-	tasklet_kill(&priv->tx_tasklet);
 	kfree(priv->ah);
 	priv->ah = NULL;
 }
@@ -246,7 +178,7 @@ static int ath9k_init_htc_services(struct ath9k_htc_priv *priv, u16 devid,
 	 * the HIF layer, shouldn't matter much.
 	 */
 
-	if (drv_info & AR7010_DEVICE)
+	if (IS_AR7010_DEVICE(drv_info))
 		priv->htc->credits = 45;
 	else
 		priv->htc->credits = 33;
@@ -265,14 +197,14 @@ err:
 	return ret;
 }
 
-static int ath9k_reg_notifier(struct wiphy *wiphy,
-			      struct regulatory_request *request)
+static void ath9k_reg_notifier(struct wiphy *wiphy,
+			       struct regulatory_request *request)
 {
 	struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
 	struct ath9k_htc_priv *priv = hw->priv;
 
-	return ath_reg_notifier_apply(wiphy, request,
-				      ath9k_hw_regulatory(priv->ah));
+	ath_reg_notifier_apply(wiphy, request,
+			       ath9k_hw_regulatory(priv->ah));
 }
 
 static unsigned int ath9k_regread(void *hw_priv, u32 reg_offset)
@@ -288,15 +220,61 @@ static unsigned int ath9k_regread(void *hw_priv, u32 reg_offset)
 			  (u8 *) &val, sizeof(val),
 			  100);
 	if (unlikely(r)) {
-		ath_print(common, ATH_DBG_WMI,
-			  "REGISTER READ FAILED: (0x%04x, %d)\n",
-			   reg_offset, r);
+		ath_dbg(common, WMI, "REGISTER READ FAILED: (0x%04x, %d)\n",
+			reg_offset, r);
 		return -EIO;
 	}
 
 	return be32_to_cpu(val);
 }
 
+static void ath9k_multi_regread(void *hw_priv, u32 *addr,
+				u32 *val, u16 count)
+{
+	struct ath_hw *ah = (struct ath_hw *) hw_priv;
+	struct ath_common *common = ath9k_hw_common(ah);
+	struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv;
+	__be32 tmpaddr[8];
+	__be32 tmpval[8];
+	int i, ret;
+
+       for (i = 0; i < count; i++) {
+	       tmpaddr[i] = cpu_to_be32(addr[i]);
+       }
+
+       ret = ath9k_wmi_cmd(priv->wmi, WMI_REG_READ_CMDID,
+			   (u8 *)tmpaddr , sizeof(u32) * count,
+			   (u8 *)tmpval, sizeof(u32) * count,
+			   100);
+	if (unlikely(ret)) {
+		ath_dbg(common, WMI,
+			"Multiple REGISTER READ FAILED (count: %d)\n", count);
+	}
+
+       for (i = 0; i < count; i++) {
+	       val[i] = be32_to_cpu(tmpval[i]);
+       }
+}
+
+static void ath9k_regwrite_multi(struct ath_common *common)
+{
+	struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv;
+	u32 rsp_status;
+	int r;
+
+	r = ath9k_wmi_cmd(priv->wmi, WMI_REG_WRITE_CMDID,
+			  (u8 *) &priv->wmi->multi_write,
+			  sizeof(struct register_write) * priv->wmi->multi_write_idx,
+			  (u8 *) &rsp_status, sizeof(rsp_status),
+			  100);
+	if (unlikely(r)) {
+		ath_dbg(common, WMI,
+			"REGISTER WRITE FAILED, multi len: %d\n",
+			priv->wmi->multi_write_idx);
+	}
+	priv->wmi->multi_write_idx = 0;
+}
+
 static void ath9k_regwrite_single(void *hw_priv, u32 val, u32 reg_offset)
 {
 	struct ath_hw *ah = (struct ath_hw *) hw_priv;
@@ -313,9 +291,8 @@ static void ath9k_regwrite_single(void *hw_priv, u32 val, u32 reg_offset)
 			  (u8 *) &val, sizeof(val),
 			  100);
 	if (unlikely(r)) {
-		ath_print(common, ATH_DBG_WMI,
-			  "REGISTER WRITE FAILED:(0x%04x, %d)\n",
-			  reg_offset, r);
+		ath_dbg(common, WMI, "REGISTER WRITE FAILED:(0x%04x, %d)\n",
+			reg_offset, r);
 	}
 }
 
@@ -324,8 +301,6 @@ static void ath9k_regwrite_buffer(void *hw_priv, u32 val, u32 reg_offset)
 	struct ath_hw *ah = (struct ath_hw *) hw_priv;
 	struct ath_common *common = ath9k_hw_common(ah);
 	struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv;
-	u32 rsp_status;
-	int r;
 
 	mutex_lock(&priv->wmi->multi_write_mutex);
 
@@ -338,19 +313,8 @@ static void ath9k_regwrite_buffer(void *hw_priv, u32 val, u32 reg_offset)
 	priv->wmi->multi_write_idx++;
 
 	/* If the buffer is full, send it out. */
-	if (priv->wmi->multi_write_idx == MAX_CMD_NUMBER) {
-		r = ath9k_wmi_cmd(priv->wmi, WMI_REG_WRITE_CMDID,
-			  (u8 *) &priv->wmi->multi_write,
-			  sizeof(struct register_write) * priv->wmi->multi_write_idx,
-			  (u8 *) &rsp_status, sizeof(rsp_status),
-			  100);
-		if (unlikely(r)) {
-			ath_print(common, ATH_DBG_WMI,
-				  "REGISTER WRITE FAILED, multi len: %d\n",
-				  priv->wmi->multi_write_idx);
-		}
-		priv->wmi->multi_write_idx = 0;
-	}
+	if (priv->wmi->multi_write_idx == MAX_CMD_NUMBER)
+		ath9k_regwrite_multi(common);
 
 	mutex_unlock(&priv->wmi->multi_write_mutex);
 }
@@ -381,36 +345,27 @@ static void ath9k_regwrite_flush(void *hw_priv)
 	struct ath_hw *ah = (struct ath_hw *) hw_priv;
 	struct ath_common *common = ath9k_hw_common(ah);
 	struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv;
-	u32 rsp_status;
-	int r;
 
 	atomic_dec(&priv->wmi->mwrite_cnt);
 
 	mutex_lock(&priv->wmi->multi_write_mutex);
 
-	if (priv->wmi->multi_write_idx) {
-		r = ath9k_wmi_cmd(priv->wmi, WMI_REG_WRITE_CMDID,
-			  (u8 *) &priv->wmi->multi_write,
-			  sizeof(struct register_write) * priv->wmi->multi_write_idx,
-			  (u8 *) &rsp_status, sizeof(rsp_status),
-			  100);
-		if (unlikely(r)) {
-			ath_print(common, ATH_DBG_WMI,
-				  "REGISTER WRITE FAILED, multi len: %d\n",
-				  priv->wmi->multi_write_idx);
-		}
-		priv->wmi->multi_write_idx = 0;
-	}
+	if (priv->wmi->multi_write_idx)
+		ath9k_regwrite_multi(common);
 
 	mutex_unlock(&priv->wmi->multi_write_mutex);
 }
 
-static const struct ath_ops ath9k_common_ops = {
-	.read = ath9k_regread,
-	.write = ath9k_regwrite,
-	.enable_write_buffer = ath9k_enable_regwrite_buffer,
-	.write_flush = ath9k_regwrite_flush,
-};
+static u32 ath9k_reg_rmw(void *hw_priv, u32 reg_offset, u32 set, u32 clr)
+{
+	u32 val;
+
+	val = ath9k_regread(hw_priv, reg_offset);
+	val &= ~clr;
+	val |= set;
+	ath9k_regwrite(hw_priv, val, reg_offset);
+	return val;
+}
 
 static void ath_usb_read_cachesize(struct ath_common *common, int *csz)
 {
@@ -442,49 +397,6 @@ static const struct ath_bus_ops ath9k_usb_bus_ops = {
 	.eeprom_read = ath_usb_eeprom_read,
 };
 
-static void setup_ht_cap(struct ath9k_htc_priv *priv,
-			 struct ieee80211_sta_ht_cap *ht_info)
-{
-	struct ath_common *common = ath9k_hw_common(priv->ah);
-	u8 tx_streams, rx_streams;
-	int i;
-
-	ht_info->ht_supported = true;
-	ht_info->cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
-		       IEEE80211_HT_CAP_SM_PS |
-		       IEEE80211_HT_CAP_SGI_40 |
-		       IEEE80211_HT_CAP_DSSSCCK40;
-
-	if (priv->ah->caps.hw_caps & ATH9K_HW_CAP_SGI_20)
-		ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
-
-	ht_info->cap |= (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT);
-
-	ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
-	ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_8;
-
-	memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
-
-	/* ath9k_htc supports only 1 or 2 stream devices */
-	tx_streams = ath9k_cmn_count_streams(common->tx_chainmask, 2);
-	rx_streams = ath9k_cmn_count_streams(common->rx_chainmask, 2);
-
-	ath_print(common, ATH_DBG_CONFIG,
-		  "TX streams %d, RX streams: %d\n",
-		  tx_streams, rx_streams);
-
-	if (tx_streams != rx_streams) {
-		ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF;
-		ht_info->mcs.tx_params |= ((tx_streams - 1) <<
-					   IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT);
-	}
-
-	for (i = 0; i < rx_streams; i++)
-		ht_info->mcs.rx_mask[i] = 0xff;
-
-	ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_DEFINED;
-}
-
 static int ath9k_init_queues(struct ath9k_htc_priv *priv)
 {
 	struct ath_common *common = ath9k_hw_common(priv->ah);
@@ -493,39 +405,33 @@ static int ath9k_init_queues(struct ath9k_htc_priv *priv)
 	for (i = 0; i < ARRAY_SIZE(priv->hwq_map); i++)
 		priv->hwq_map[i] = -1;
 
-	priv->beaconq = ath9k_hw_beaconq_setup(priv->ah);
-	if (priv->beaconq == -1) {
-		ath_print(common, ATH_DBG_FATAL,
-			  "Unable to setup BEACON xmit queue\n");
+	priv->beacon.beaconq = ath9k_hw_beaconq_setup(priv->ah);
+	if (priv->beacon.beaconq == -1) {
+		ath_err(common, "Unable to setup BEACON xmit queue\n");
 		goto err;
 	}
 
 	priv->cabq = ath9k_htc_cabq_setup(priv);
 	if (priv->cabq == -1) {
-		ath_print(common, ATH_DBG_FATAL,
-			  "Unable to setup CAB xmit queue\n");
+		ath_err(common, "Unable to setup CAB xmit queue\n");
 		goto err;
 	}
 
-	if (!ath9k_htc_txq_setup(priv, WME_AC_BE)) {
-		ath_print(common, ATH_DBG_FATAL,
-			  "Unable to setup xmit queue for BE traffic\n");
+	if (!ath9k_htc_txq_setup(priv, IEEE80211_AC_BE)) {
+		ath_err(common, "Unable to setup xmit queue for BE traffic\n");
 		goto err;
 	}
 
-	if (!ath9k_htc_txq_setup(priv, WME_AC_BK)) {
-		ath_print(common, ATH_DBG_FATAL,
-			  "Unable to setup xmit queue for BK traffic\n");
+	if (!ath9k_htc_txq_setup(priv, IEEE80211_AC_BK)) {
+		ath_err(common, "Unable to setup xmit queue for BK traffic\n");
 		goto err;
 	}
-	if (!ath9k_htc_txq_setup(priv, WME_AC_VI)) {
-		ath_print(common, ATH_DBG_FATAL,
-			  "Unable to setup xmit queue for VI traffic\n");
+	if (!ath9k_htc_txq_setup(priv, IEEE80211_AC_VI)) {
+		ath_err(common, "Unable to setup xmit queue for VI traffic\n");
 		goto err;
 	}
-	if (!ath9k_htc_txq_setup(priv, WME_AC_VO)) {
-		ath_print(common, ATH_DBG_FATAL,
-			  "Unable to setup xmit queue for VO traffic\n");
+	if (!ath9k_htc_txq_setup(priv, IEEE80211_AC_VO)) {
+		ath_err(common, "Unable to setup xmit queue for VO traffic\n");
 		goto err;
 	}
 
@@ -535,131 +441,63 @@ err:
 	return -EINVAL;
 }
 
-static void ath9k_init_crypto(struct ath9k_htc_priv *priv)
-{
-	struct ath_common *common = ath9k_hw_common(priv->ah);
-	int i = 0;
-
-	/* Get the hardware key cache size. */
-	common->keymax = priv->ah->caps.keycache_size;
-	if (common->keymax > ATH_KEYMAX) {
-		ath_print(common, ATH_DBG_ANY,
-			  "Warning, using only %u entries in %u key cache\n",
-			  ATH_KEYMAX, common->keymax);
-		common->keymax = ATH_KEYMAX;
-	}
-
-	if (priv->ah->misc_mode & AR_PCU_MIC_NEW_LOC_ENA)
-		common->crypt_caps |= ATH_CRYPT_CAP_MIC_COMBINED;
-
-	/*
-	 * 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);
-}
-
-static void ath9k_init_channels_rates(struct ath9k_htc_priv *priv)
-{
-	if (priv->ah->caps.hw_caps & ATH9K_HW_CAP_2GHZ) {
-		priv->sbands[IEEE80211_BAND_2GHZ].channels =
-			ath9k_2ghz_channels;
-		priv->sbands[IEEE80211_BAND_2GHZ].band = IEEE80211_BAND_2GHZ;
-		priv->sbands[IEEE80211_BAND_2GHZ].n_channels =
-			ARRAY_SIZE(ath9k_2ghz_channels);
-		priv->sbands[IEEE80211_BAND_2GHZ].bitrates = ath9k_legacy_rates;
-		priv->sbands[IEEE80211_BAND_2GHZ].n_bitrates =
-			ARRAY_SIZE(ath9k_legacy_rates);
-	}
-
-	if (priv->ah->caps.hw_caps & ATH9K_HW_CAP_5GHZ) {
-		priv->sbands[IEEE80211_BAND_5GHZ].channels = ath9k_5ghz_channels;
-		priv->sbands[IEEE80211_BAND_5GHZ].band = IEEE80211_BAND_5GHZ;
-		priv->sbands[IEEE80211_BAND_5GHZ].n_channels =
-			ARRAY_SIZE(ath9k_5ghz_channels);
-		priv->sbands[IEEE80211_BAND_5GHZ].bitrates =
-			ath9k_legacy_rates + 4;
-		priv->sbands[IEEE80211_BAND_5GHZ].n_bitrates =
-			ARRAY_SIZE(ath9k_legacy_rates) - 4;
-	}
-}
-
 static void ath9k_init_misc(struct ath9k_htc_priv *priv)
 {
 	struct ath_common *common = ath9k_hw_common(priv->ah);
 
-	common->tx_chainmask = priv->ah->caps.tx_chainmask;
-	common->rx_chainmask = priv->ah->caps.rx_chainmask;
-
 	memcpy(common->bssidmask, ath_bcast_mac, ETH_ALEN);
 
+	common->last_rssi = ATH_RSSI_DUMMY_MARKER;
 	priv->ah->opmode = NL80211_IFTYPE_STATION;
 }
 
-static void ath9k_init_btcoex(struct ath9k_htc_priv *priv)
-{
-	int qnum;
-
-	switch (priv->ah->btcoex_hw.scheme) {
-	case ATH_BTCOEX_CFG_NONE:
-		break;
-	case ATH_BTCOEX_CFG_3WIRE:
-		priv->ah->btcoex_hw.btactive_gpio = 7;
-		priv->ah->btcoex_hw.btpriority_gpio = 6;
-		priv->ah->btcoex_hw.wlanactive_gpio = 8;
-		priv->btcoex.bt_stomp_type = ATH_BTCOEX_STOMP_LOW;
-		ath9k_hw_btcoex_init_3wire(priv->ah);
-		ath_htc_init_btcoex_work(priv);
-		qnum = priv->hwq_map[WME_AC_BE];
-		ath9k_hw_init_btcoex_hw(priv->ah, qnum);
-		break;
-	default:
-		WARN_ON(1);
-		break;
-	}
-}
-
 static int ath9k_init_priv(struct ath9k_htc_priv *priv,
 			   u16 devid, char *product,
 			   u32 drv_info)
 {
 	struct ath_hw *ah = NULL;
 	struct ath_common *common;
-	int ret = 0, csz = 0;
-
-	priv->op_flags |= OP_INVALID;
+	int i, ret = 0, csz = 0;
 
 	ah = kzalloc(sizeof(struct ath_hw), GFP_KERNEL);
 	if (!ah)
 		return -ENOMEM;
 
+	ah->dev = priv->dev;
 	ah->hw_version.devid = devid;
-	ah->hw_version.subsysid = 0; /* FIXME */
+	ah->hw_version.usbdev = drv_info;
 	ah->ah_flags |= AH_USE_EEPROM;
+	ah->reg_ops.read = ath9k_regread;
+	ah->reg_ops.multi_read = ath9k_multi_regread;
+	ah->reg_ops.write = ath9k_regwrite;
+	ah->reg_ops.enable_write_buffer = ath9k_enable_regwrite_buffer;
+	ah->reg_ops.write_flush = ath9k_regwrite_flush;
+	ah->reg_ops.rmw = ath9k_reg_rmw;
 	priv->ah = ah;
 
 	common = ath9k_hw_common(ah);
-	common->ops = &ath9k_common_ops;
+	common->ops = &ah->reg_ops;
 	common->bus_ops = &ath9k_usb_bus_ops;
 	common->ah = ah;
 	common->hw = priv->hw;
 	common->priv = priv;
 	common->debug_mask = ath9k_debug;
-	common->driver_info = drv_info;
+	common->btcoex_enabled = ath9k_htc_btcoex_enable == 1;
+	set_bit(ATH_OP_INVALID, &common->op_flags);
 
-	spin_lock_init(&priv->wmi->wmi_lock);
 	spin_lock_init(&priv->beacon_lock);
-	spin_lock_init(&priv->tx_lock);
+	spin_lock_init(&priv->tx.tx_lock);
 	mutex_init(&priv->mutex);
 	mutex_init(&priv->htc_pm_lock);
-	tasklet_init(&priv->wmi_tasklet, ath9k_wmi_tasklet,
-		     (unsigned long)priv);
 	tasklet_init(&priv->rx_tasklet, ath9k_rx_tasklet,
 		     (unsigned long)priv);
-	tasklet_init(&priv->tx_tasklet, ath9k_tx_tasklet, (unsigned long)priv);
-	INIT_DELAYED_WORK(&priv->ath9k_ani_work, ath9k_ani_work);
+	tasklet_init(&priv->tx_failed_tasklet, ath9k_tx_failed_tasklet,
+		     (unsigned long)priv);
+	INIT_DELAYED_WORK(&priv->ani_work, ath9k_htc_ani_work);
 	INIT_WORK(&priv->ps_work, ath9k_ps_work);
+	INIT_WORK(&priv->fatal_work, ath9k_fatal_work);
+	setup_timer(&priv->tx.cleanup_timer, ath9k_htc_tx_cleanup_timer,
+		    (unsigned long)priv);
 
 	/*
 	 * Cache line size is used to size and align various
@@ -670,37 +508,28 @@ static int ath9k_init_priv(struct ath9k_htc_priv *priv,
 
 	ret = ath9k_hw_init(ah);
 	if (ret) {
-		ath_print(common, ATH_DBG_FATAL,
-			  "Unable to initialize hardware; "
-			  "initialization status: %d\n", ret);
+		ath_err(common,
+			"Unable to initialize hardware; initialization status: %d\n",
+			ret);
 		goto err_hw;
 	}
 
-	ret = ath9k_htc_init_debug(ah);
-	if (ret) {
-		ath_print(common, ATH_DBG_FATAL,
-			  "Unable to create debugfs files\n");
-		goto err_debug;
-	}
-
 	ret = ath9k_init_queues(priv);
 	if (ret)
 		goto err_queues;
 
-	ath9k_init_crypto(priv);
-	ath9k_init_channels_rates(priv);
-	ath9k_init_misc(priv);
+	for (i = 0; i < ATH9K_HTC_MAX_BCN_VIF; i++)
+		priv->beacon.bslot[i] = NULL;
+	priv->beacon.slottime = ATH9K_SLOT_TIME_9;
 
-	if (product && strncmp(product, ATH_HTC_BTCOEX_PRODUCT_ID, 5) == 0) {
-		ah->btcoex_hw.scheme = ATH_BTCOEX_CFG_3WIRE;
-		ath9k_init_btcoex(priv);
-	}
+	ath9k_cmn_init_channels_rates(common);
+	ath9k_cmn_init_crypto(ah);
+	ath9k_init_misc(priv);
+	ath9k_htc_init_btcoex(priv, product);
 
 	return 0;
 
 err_queues:
-	ath9k_htc_exit_debug(ah);
-err_debug:
 	ath9k_hw_deinit(ah);
 err_hw:
 
@@ -710,28 +539,62 @@ err_hw:
 	return ret;
 }
 
+static const struct ieee80211_iface_limit if_limits[] = {
+	{ .max = 2,	.types = BIT(NL80211_IFTYPE_STATION) |
+				 BIT(NL80211_IFTYPE_P2P_CLIENT) },
+	{ .max = 2,	.types = BIT(NL80211_IFTYPE_AP) |
+#ifdef CONFIG_MAC80211_MESH
+				 BIT(NL80211_IFTYPE_MESH_POINT) |
+#endif
+				 BIT(NL80211_IFTYPE_P2P_GO) },
+};
+
+static const struct ieee80211_iface_combination if_comb = {
+	.limits = if_limits,
+	.n_limits = ARRAY_SIZE(if_limits),
+	.max_interfaces = 2,
+	.num_different_channels = 1,
+};
+
 static void ath9k_set_hw_capab(struct ath9k_htc_priv *priv,
 			       struct ieee80211_hw *hw)
 {
+	struct ath_hw *ah = priv->ah;
 	struct ath_common *common = ath9k_hw_common(priv->ah);
+	struct base_eep_header *pBase;
 
 	hw->flags = IEEE80211_HW_SIGNAL_DBM |
 		IEEE80211_HW_AMPDU_AGGREGATION |
 		IEEE80211_HW_SPECTRUM_MGMT |
 		IEEE80211_HW_HAS_RATE_CONTROL |
 		IEEE80211_HW_RX_INCLUDES_FCS |
-		IEEE80211_HW_SUPPORTS_PS |
-		IEEE80211_HW_PS_NULLFUNC_STACK;
+		IEEE80211_HW_PS_NULLFUNC_STACK |
+		IEEE80211_HW_REPORTS_TX_ACK_STATUS |
+		IEEE80211_HW_MFP_CAPABLE |
+		IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING;
+
+	if (ath9k_ps_enable)
+		hw->flags |= IEEE80211_HW_SUPPORTS_PS;
 
 	hw->wiphy->interface_modes =
 		BIT(NL80211_IFTYPE_STATION) |
-		BIT(NL80211_IFTYPE_ADHOC);
+		BIT(NL80211_IFTYPE_ADHOC) |
+		BIT(NL80211_IFTYPE_AP) |
+		BIT(NL80211_IFTYPE_P2P_GO) |
+		BIT(NL80211_IFTYPE_P2P_CLIENT) |
+		BIT(NL80211_IFTYPE_MESH_POINT);
+
+	hw->wiphy->iface_combinations = &if_comb;
+	hw->wiphy->n_iface_combinations = 1;
 
 	hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
 
+	hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN |
+			    WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
+
 	hw->queues = 4;
-	hw->channel_change_time = 5000;
-	hw->max_listen_interval = 10;
+	hw->max_listen_interval = 1;
+
 	hw->vif_data_size = sizeof(struct ath9k_htc_vif);
 	hw->sta_data_size = sizeof(struct ath9k_htc_sta);
 
@@ -741,23 +604,59 @@ static void ath9k_set_hw_capab(struct ath9k_htc_priv *priv,
 
 	if (priv->ah->caps.hw_caps & ATH9K_HW_CAP_2GHZ)
 		hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
-			&priv->sbands[IEEE80211_BAND_2GHZ];
+			&common->sbands[IEEE80211_BAND_2GHZ];
 	if (priv->ah->caps.hw_caps & ATH9K_HW_CAP_5GHZ)
 		hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
-			&priv->sbands[IEEE80211_BAND_5GHZ];
-
-	if (priv->ah->caps.hw_caps & ATH9K_HW_CAP_HT) {
-		if (priv->ah->caps.hw_caps & ATH9K_HW_CAP_2GHZ)
-			setup_ht_cap(priv,
-				     &priv->sbands[IEEE80211_BAND_2GHZ].ht_cap);
-		if (priv->ah->caps.hw_caps & ATH9K_HW_CAP_5GHZ)
-			setup_ht_cap(priv,
-				     &priv->sbands[IEEE80211_BAND_5GHZ].ht_cap);
+			&common->sbands[IEEE80211_BAND_5GHZ];
+
+	ath9k_cmn_reload_chainmask(ah);
+
+	pBase = ath9k_htc_get_eeprom_base(priv);
+	if (pBase) {
+		hw->wiphy->available_antennas_rx = pBase->rxMask;
+		hw->wiphy->available_antennas_tx = pBase->txMask;
 	}
 
 	SET_IEEE80211_PERM_ADDR(hw, common->macaddr);
 }
 
+static int ath9k_init_firmware_version(struct ath9k_htc_priv *priv)
+{
+	struct ieee80211_hw *hw = priv->hw;
+	struct wmi_fw_version cmd_rsp;
+	int ret;
+
+	memset(&cmd_rsp, 0, sizeof(cmd_rsp));
+
+	WMI_CMD(WMI_GET_FW_VERSION);
+	if (ret)
+		return -EINVAL;
+
+	priv->fw_version_major = be16_to_cpu(cmd_rsp.major);
+	priv->fw_version_minor = be16_to_cpu(cmd_rsp.minor);
+
+	snprintf(hw->wiphy->fw_version, sizeof(hw->wiphy->fw_version), "%d.%d",
+		 priv->fw_version_major,
+		 priv->fw_version_minor);
+
+	dev_info(priv->dev, "ath9k_htc: FW Version: %d.%d\n",
+		 priv->fw_version_major,
+		 priv->fw_version_minor);
+
+	/*
+	 * Check if the available FW matches the driver's
+	 * required version.
+	 */
+	if (priv->fw_version_major != MAJOR_VERSION_REQ ||
+	    priv->fw_version_minor < MINOR_VERSION_REQ) {
+		dev_err(priv->dev, "ath9k_htc: Please upgrade to FW version %d.%d\n",
+			MAJOR_VERSION_REQ, MINOR_VERSION_REQ);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
 static int ath9k_init_device(struct ath9k_htc_priv *priv,
 			     u16 devid, char *product, u32 drv_info)
 {
@@ -766,6 +665,7 @@ static int ath9k_init_device(struct ath9k_htc_priv *priv,
 	struct ath_hw *ah;
 	int error = 0;
 	struct ath_regulatory *reg;
+	char hw_name[64];
 
 	/* Bring up device */
 	error = ath9k_init_priv(priv, devid, product, drv_info);
@@ -776,6 +676,10 @@ static int ath9k_init_device(struct ath9k_htc_priv *priv,
 	common = ath9k_hw_common(ah);
 	ath9k_set_hw_capab(priv, hw);
 
+	error = ath9k_init_firmware_version(priv);
+	if (error != 0)
+		goto err_fw;
+
 	/* Initialize regulatory */
 	error = ath_regd_init(&common->regulatory, priv->hw->wiphy,
 			      ath9k_reg_notifier);
@@ -794,6 +698,14 @@ static int ath9k_init_device(struct ath9k_htc_priv *priv,
 	if (error != 0)
 		goto err_rx;
 
+	ath9k_hw_disable(priv->ah);
+#ifdef CONFIG_MAC80211_LEDS
+	/* must be initialized before ieee80211_register_hw */
+	priv->led_cdev.default_trigger = ieee80211_create_tpt_led_trigger(priv->hw,
+		IEEE80211_TPT_LEDTRIG_FL_RADIO, ath9k_htc_tpt_blink,
+		ARRAY_SIZE(ath9k_htc_tpt_blink));
+#endif
+
 	/* Register with mac80211 */
 	error = ieee80211_register_hw(hw);
 	if (error)
@@ -806,6 +718,27 @@ static int ath9k_init_device(struct ath9k_htc_priv *priv,
 			goto err_world;
 	}
 
+	error = ath9k_htc_init_debug(priv->ah);
+	if (error) {
+		ath_err(common, "Unable to create debugfs files\n");
+		goto err_world;
+	}
+
+	ath_dbg(common, CONFIG,
+		"WMI:%d, BCN:%d, CAB:%d, UAPSD:%d, MGMT:%d, BE:%d, BK:%d, VI:%d, VO:%d\n",
+		priv->wmi_cmd_ep,
+		priv->beacon_ep,
+		priv->cab_ep,
+		priv->uapsd_ep,
+		priv->mgmt_ep,
+		priv->data_be_ep,
+		priv->data_bk_ep,
+		priv->data_vi_ep,
+		priv->data_vo_ep);
+
+	ath9k_hw_name(priv->ah, hw_name, sizeof(hw_name));
+	wiphy_info(hw->wiphy, "%s\n", hw_name);
+
 	ath9k_init_leds(priv);
 	ath9k_start_rfkill_poll(priv);
 
@@ -820,6 +753,8 @@ err_rx:
 err_tx:
 	/* Nothing */
 err_regd:
+	/* Nothing */
+err_fw:
 	ath9k_deinit_priv(priv);
 err_init:
 	return error;
@@ -857,9 +792,6 @@ int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev,
 	if (ret)
 		goto err_init;
 
-	/* The device may have been unplugged earlier. */
-	priv->op_flags &= ~OP_UNPLUGGED;
-
 	ret = ath9k_init_device(priv, devid, product, drv_info);
 	if (ret)
 		goto err_init;
@@ -879,7 +811,7 @@ void ath9k_htc_disconnect_device(struct htc_target *htc_handle, bool hotunplug)
 
 		/* Check if the device has been yanked out. */
 		if (hotunplug)
-			htc_handle->drv_priv->op_flags |= OP_UNPLUGGED;
+			htc_handle->drv_priv->ah->ah_flags |= AH_UNPLUGGED;
 
 		ath9k_deinit_device(htc_handle->drv_priv);
 		ath9k_deinit_wmi(htc_handle->drv_priv);
@@ -888,6 +820,12 @@ void ath9k_htc_disconnect_device(struct htc_target *htc_handle, bool hotunplug)
 }
 
 #ifdef CONFIG_PM
+
+void ath9k_htc_suspend(struct htc_target *htc_handle)
+{
+	ath9k_htc_setpower(htc_handle->drv_priv, ATH9K_PM_FULL_SLEEP);
+}
+
 int ath9k_htc_resume(struct htc_target *htc_handle)
 {
 	struct ath9k_htc_priv *priv = htc_handle->drv_priv;
@@ -898,45 +836,27 @@ int ath9k_htc_resume(struct htc_target *htc_handle)
 		return ret;
 
 	ret = ath9k_init_htc_services(priv, priv->ah->hw_version.devid,
-				      priv->ah->common.driver_info);
+				      priv->ah->hw_version.usbdev);
+	ath9k_configure_leds(priv);
+
 	return ret;
 }
 #endif
 
 static int __init ath9k_htc_init(void)
 {
-	int error;
-
-	error = ath9k_htc_debug_create_root();
-	if (error < 0) {
-		printk(KERN_ERR
-			"ath9k_htc: Unable to create debugfs root: %d\n",
-			error);
-		goto err_dbg;
-	}
-
-	error = ath9k_hif_usb_init();
-	if (error < 0) {
-		printk(KERN_ERR
-			"ath9k_htc: No USB devices found,"
-			" driver not installed.\n");
-		error = -ENODEV;
-		goto err_usb;
+	if (ath9k_hif_usb_init() < 0) {
+		pr_err("No USB devices found, driver not installed\n");
+		return -ENODEV;
 	}
 
 	return 0;
-
-err_usb:
-	ath9k_htc_debug_remove_root();
-err_dbg:
-	return error;
 }
 module_init(ath9k_htc_init);
 
 static void __exit ath9k_htc_exit(void)
 {
 	ath9k_hif_usb_exit();
-	ath9k_htc_debug_remove_root();
-	printk(KERN_INFO "ath9k_htc: Driver unloaded\n");
+	pr_info("Driver unloaded\n");
 }
 module_exit(ath9k_htc_exit);