1 files changed, 100 insertions, 24 deletions

diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
index fcafec0605f4..2330e7ede199 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
@@ -14,6 +14,7 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
+#include <linux/export.h>
 #include "hw.h"
 #include "ar9003_phy.h"
 
@@ -370,7 +371,7 @@ static void ar9003_hw_spur_ofdm_work(struct ath_hw *ah,
 			else
 				spur_subchannel_sd = 0;
 
-			spur_freq_sd = ((freq_offset + 10) << 9) / 11;
+			spur_freq_sd = (freq_offset << 9) / 11;
 
 		} else {
 			if (REG_READ_FIELD(ah, AR_PHY_GEN_CTRL,
@@ -379,7 +380,7 @@ static void ar9003_hw_spur_ofdm_work(struct ath_hw *ah,
 			else
 				spur_subchannel_sd = 1;
 
-			spur_freq_sd = ((freq_offset - 10) << 9) / 11;
+			spur_freq_sd = (freq_offset << 9) / 11;
 
 		}
 
@@ -482,7 +483,7 @@ static void ar9003_hw_set_channel_regs(struct ath_hw *ah,
 		(REG_READ(ah, AR_PHY_GEN_CTRL) & AR_PHY_GC_ENABLE_DAC_FIFO);
 
 	/* Enable 11n HT, 20 MHz */
-	phymode = AR_PHY_GC_HT_EN | AR_PHY_GC_SINGLE_HT_LTF1 | AR_PHY_GC_WALSH |
+	phymode = AR_PHY_GC_HT_EN | AR_PHY_GC_SINGLE_HT_LTF1 |
 		  AR_PHY_GC_SHORT_GI_40 | enableDacFifo;
 
 	/* Configure baseband for dynamic 20/40 operation */
@@ -540,7 +541,7 @@ static void ar9003_hw_init_bb(struct ath_hw *ah,
 	udelay(synthDelay + BASE_ACTIVATE_DELAY);
 }
 
-void ar9003_hw_set_chain_masks(struct ath_hw *ah, u8 rx, u8 tx)
+static void ar9003_hw_set_chain_masks(struct ath_hw *ah, u8 rx, u8 tx)
 {
 	switch (rx) {
 	case 0x5:
@@ -559,6 +560,9 @@ void ar9003_hw_set_chain_masks(struct ath_hw *ah, u8 rx, u8 tx)
 
 	if ((ah->caps.hw_caps & ATH9K_HW_CAP_APM) && (tx == 0x7))
 		REG_WRITE(ah, AR_SELFGEN_MASK, 0x3);
+	else if (AR_SREV_9462(ah))
+		/* xxx only when MCI support is enabled */
+		REG_WRITE(ah, AR_SELFGEN_MASK, 0x3);
 	else
 		REG_WRITE(ah, AR_SELFGEN_MASK, tx);
 
@@ -592,6 +596,9 @@ static void ar9003_hw_override_ini(struct ath_hw *ah)
 	val = REG_READ(ah, AR_PCU_MISC_MODE2) & (~AR_ADHOC_MCAST_KEYID_ENABLE);
 	REG_WRITE(ah, AR_PCU_MISC_MODE2,
 		  val | AR_AGG_WEP_ENABLE_FIX | AR_AGG_WEP_ENABLE);
+
+	REG_SET_BIT(ah, AR_PHY_CCK_DETECT,
+		    AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV);
 }
 
 static void ar9003_hw_prog_ini(struct ath_hw *ah,
@@ -625,9 +632,7 @@ static void ar9003_hw_prog_ini(struct ath_hw *ah,
 static int ar9003_hw_process_ini(struct ath_hw *ah,
 				 struct ath9k_channel *chan)
 {
-	struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
 	unsigned int regWrites = 0, i;
-	struct ieee80211_channel *channel = chan->chan;
 	u32 modesIndex;
 
 	switch (chan->chanmode) {
@@ -658,6 +663,10 @@ static int ar9003_hw_process_ini(struct ath_hw *ah,
 		ar9003_hw_prog_ini(ah, &ah->iniMac[i], modesIndex);
 		ar9003_hw_prog_ini(ah, &ah->iniBB[i], modesIndex);
 		ar9003_hw_prog_ini(ah, &ah->iniRadio[i], modesIndex);
+		if (i == ATH_INI_POST && AR_SREV_9462_20(ah))
+			ar9003_hw_prog_ini(ah,
+					   &ah->ini_radio_post_sys2ant,
+					   modesIndex);
 	}
 
 	REG_WRITE_ARRAY(&ah->iniModesRxGain, 1, regWrites);
@@ -677,17 +686,27 @@ static int ar9003_hw_process_ini(struct ath_hw *ah,
 	if (AR_SREV_9340(ah) && !ah->is_clk_25mhz)
 		REG_WRITE_ARRAY(&ah->iniModesAdditional_40M, 1, regWrites);
 
+	if (AR_SREV_9462(ah))
+		ar9003_hw_prog_ini(ah, &ah->ini_BTCOEX_MAX_TXPWR, 1);
+
+	ah->modes_index = modesIndex;
 	ar9003_hw_override_ini(ah);
 	ar9003_hw_set_channel_regs(ah, chan);
 	ar9003_hw_set_chain_masks(ah, ah->rxchainmask, ah->txchainmask);
+	ath9k_hw_apply_txpower(ah, chan);
+
+	if (AR_SREV_9462(ah)) {
+		if (REG_READ_FIELD(ah, AR_PHY_TX_IQCAL_CONTROL_0,
+				AR_PHY_TX_IQCAL_CONTROL_0_ENABLE_TXIQ_CAL))
+			ah->enabled_cals |= TX_IQ_CAL;
+		else
+			ah->enabled_cals &= ~TX_IQ_CAL;
 
-	/* Set TX power */
-	ah->eep_ops->set_txpower(ah, chan,
-				 ath9k_regd_get_ctl(regulatory, chan),
-				 channel->max_antenna_gain * 2,
-				 channel->max_power * 2,
-				 min((u32) MAX_RATE_POWER,
-				 (u32) regulatory->power_limit), false);
+		if (REG_READ(ah, AR_PHY_CL_CAL_CTL) & AR_PHY_CL_CAL_ENABLE)
+			ah->enabled_cals |= TX_CL_CAL;
+		else
+			ah->enabled_cals &= ~TX_CL_CAL;
+	}
 
 	return 0;
 }
@@ -785,16 +804,6 @@ static void ar9003_hw_rfbus_done(struct ath_hw *ah)
 	REG_WRITE(ah, AR_PHY_RFBUS_REQ, 0);
 }
 
-static void ar9003_hw_set_diversity(struct ath_hw *ah, bool value)
-{
-	u32 v = REG_READ(ah, AR_PHY_CCK_DETECT);
-	if (value)
-		v |= AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV;
-	else
-		v &= ~AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV;
-	REG_WRITE(ah, AR_PHY_CCK_DETECT, v);
-}
-
 static bool ar9003_hw_ani_control(struct ath_hw *ah,
 				  enum ath9k_ani_cmd cmd, int param)
 {
@@ -1253,6 +1262,73 @@ static void ar9003_hw_antdiv_comb_conf_set(struct ath_hw *ah,
 	REG_WRITE(ah, AR_PHY_MC_GAIN_CTRL, regval);
 }
 
+static int ar9003_hw_fast_chan_change(struct ath_hw *ah,
+				      struct ath9k_channel *chan,
+				      u8 *ini_reloaded)
+{
+	unsigned int regWrites = 0;
+	u32 modesIndex;
+
+	switch (chan->chanmode) {
+	case CHANNEL_A:
+	case CHANNEL_A_HT20:
+		modesIndex = 1;
+		break;
+	case CHANNEL_A_HT40PLUS:
+	case CHANNEL_A_HT40MINUS:
+		modesIndex = 2;
+		break;
+	case CHANNEL_G:
+	case CHANNEL_G_HT20:
+	case CHANNEL_B:
+		modesIndex = 4;
+		break;
+	case CHANNEL_G_HT40PLUS:
+	case CHANNEL_G_HT40MINUS:
+		modesIndex = 3;
+		break;
+
+	default:
+		return -EINVAL;
+	}
+
+	if (modesIndex == ah->modes_index) {
+		*ini_reloaded = false;
+		goto set_rfmode;
+	}
+
+	ar9003_hw_prog_ini(ah, &ah->iniSOC[ATH_INI_POST], modesIndex);
+	ar9003_hw_prog_ini(ah, &ah->iniMac[ATH_INI_POST], modesIndex);
+	ar9003_hw_prog_ini(ah, &ah->iniBB[ATH_INI_POST], modesIndex);
+	ar9003_hw_prog_ini(ah, &ah->iniRadio[ATH_INI_POST], modesIndex);
+	if (AR_SREV_9462_20(ah))
+		ar9003_hw_prog_ini(ah,
+				&ah->ini_radio_post_sys2ant,
+				modesIndex);
+
+	REG_WRITE_ARRAY(&ah->iniModesTxGain, modesIndex, regWrites);
+
+	/*
+	 * For 5GHz channels requiring Fast Clock, apply
+	 * different modal values.
+	 */
+	if (IS_CHAN_A_FAST_CLOCK(ah, chan))
+		REG_WRITE_ARRAY(&ah->iniModesAdditional, modesIndex, regWrites);
+
+	if (AR_SREV_9330(ah))
+		REG_WRITE_ARRAY(&ah->iniModesAdditional, 1, regWrites);
+
+	if (AR_SREV_9340(ah) && !ah->is_clk_25mhz)
+		REG_WRITE_ARRAY(&ah->iniModesAdditional_40M, 1, regWrites);
+
+	ah->modes_index = modesIndex;
+	*ini_reloaded = true;
+
+set_rfmode:
+	ar9003_hw_set_rfmode(ah, chan);
+	return 0;
+}
+
 void ar9003_hw_attach_phy_ops(struct ath_hw *ah)
 {
 	struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah);
@@ -1277,11 +1353,11 @@ void ar9003_hw_attach_phy_ops(struct ath_hw *ah)
 	priv_ops->set_delta_slope = ar9003_hw_set_delta_slope;
 	priv_ops->rfbus_req = ar9003_hw_rfbus_req;
 	priv_ops->rfbus_done = ar9003_hw_rfbus_done;
-	priv_ops->set_diversity = ar9003_hw_set_diversity;
 	priv_ops->ani_control = ar9003_hw_ani_control;
 	priv_ops->do_getnf = ar9003_hw_do_getnf;
 	priv_ops->ani_cache_ini_regs = ar9003_hw_ani_cache_ini_regs;
 	priv_ops->set_radar_params = ar9003_hw_set_radar_params;
+	priv_ops->fast_chan_change = ar9003_hw_fast_chan_change;
 
 	ops->antdiv_comb_conf_get = ar9003_hw_antdiv_comb_conf_get;
 	ops->antdiv_comb_conf_set = ar9003_hw_antdiv_comb_conf_set;