ath: move regulatory info into shared common structure

This moves the shared regulatory structure into the
common structure. We will use this ongoing for common
data.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

7 files changed, 65 insertions, 43 deletions

diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 2c9f6628a8e..0e444a62904 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -631,6 +631,16 @@ int ath_get_hal_qnum(u16 queue, struct ath_softc *sc);
 int ath_get_mac80211_qnum(u32 queue, struct ath_softc *sc);
 int ath_cabq_update(struct ath_softc *);
 
+static inline struct ath_common *ath9k_hw_common(struct ath_hw *ah)
+{
+	return &ah->ah_sc->common;
+}
+
+static inline struct ath_regulatory *ath9k_hw_regulatory(struct ath_hw *ah)
+{
+	return &(ath9k_hw_common(ah)->regulatory);
+}
+
 static inline void ath_read_cachesize(struct ath_softc *sc, int *csz)
 {
 	sc->bus_ops->read_cachesize(sc, csz);
diff --git a/drivers/net/wireless/ath/ath9k/eeprom_4k.c b/drivers/net/wireless/ath/ath9k/eeprom_4k.c
index d34dd23e806..b8eca7be5f3 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom_4k.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_4k.c
@@ -508,6 +508,7 @@ static void ath9k_hw_set_4k_power_per_rate_table(struct ath_hw *ah,
 	|| (((cfgCtl & ~CTL_MODE_M) | (pCtlMode[ctlMode] & CTL_MODE_M)) == \
 	    ((pEepData->ctlIndex[i] & CTL_MODE_M) | SD_NO_CTL))
 
+	struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
 	int i;
 	int16_t twiceLargestAntenna;
 	u16 twiceMinEdgePower;
@@ -541,9 +542,9 @@ static void ath9k_hw_set_4k_power_per_rate_table(struct ath_hw *ah,
 					   twiceLargestAntenna, 0);
 
 	maxRegAllowedPower = twiceMaxRegulatoryPower + twiceLargestAntenna;
-	if (ah->regulatory.tp_scale != ATH9K_TP_SCALE_MAX) {
+	if (regulatory->tp_scale != ATH9K_TP_SCALE_MAX) {
 		maxRegAllowedPower -=
-			(tpScaleReductionTable[(ah->regulatory.tp_scale)] * 2);
+			(tpScaleReductionTable[(regulatory->tp_scale)] * 2);
 	}
 
 	scaledPower = min(powerLimit, maxRegAllowedPower);
@@ -707,6 +708,7 @@ static void ath9k_hw_4k_set_txpower(struct ath_hw *ah,
 				    u8 twiceMaxRegulatoryPower,
 				    u8 powerLimit)
 {
+	struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
 	struct ar5416_eeprom_4k *pEepData = &ah->eeprom.map4k;
 	struct modal_eep_4k_header *pModal = &pEepData->modalHeader;
 	int16_t ratesArray[Ar5416RateSize];
@@ -744,7 +746,7 @@ static void ath9k_hw_4k_set_txpower(struct ath_hw *ah,
 	else if (IS_CHAN_HT20(chan))
 		i = rateHt20_0;
 
-	ah->regulatory.max_power_level = ratesArray[i];
+	regulatory->max_power_level = ratesArray[i];
 
 	if (AR_SREV_9280_10_OR_LATER(ah)) {
 		for (i = 0; i < Ar5416RateSize; i++)
diff --git a/drivers/net/wireless/ath/ath9k/eeprom_9287.c b/drivers/net/wireless/ath/ath9k/eeprom_9287.c
index 959097927ee..c20c21a79b2 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom_9287.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_9287.c
@@ -599,7 +599,7 @@ static void ath9k_hw_set_AR9287_power_per_rate_table(struct ath_hw *ah,
 {
 #define REDUCE_SCALED_POWER_BY_TWO_CHAIN     6
 #define REDUCE_SCALED_POWER_BY_THREE_CHAIN   10
-
+	struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
 	u16 twiceMaxEdgePower = AR5416_MAX_RATE_POWER;
 	static const u16 tpScaleReductionTable[5] =
 		{ 0, 3, 6, 9, AR5416_MAX_RATE_POWER };
@@ -632,9 +632,9 @@ static void ath9k_hw_set_AR9287_power_per_rate_table(struct ath_hw *ah,
 					    twiceLargestAntenna, 0);
 
 	maxRegAllowedPower = twiceMaxRegulatoryPower + twiceLargestAntenna;
-	if (ah->regulatory.tp_scale != ATH9K_TP_SCALE_MAX)
+	if (regulatory->tp_scale != ATH9K_TP_SCALE_MAX)
 		maxRegAllowedPower -=
-			(tpScaleReductionTable[(ah->regulatory.tp_scale)] * 2);
+			(tpScaleReductionTable[(regulatory->tp_scale)] * 2);
 
 	scaledPower = min(powerLimit, maxRegAllowedPower);
 
@@ -831,7 +831,7 @@ static void ath9k_hw_AR9287_set_txpower(struct ath_hw *ah,
 {
 #define INCREASE_MAXPOW_BY_TWO_CHAIN     6
 #define INCREASE_MAXPOW_BY_THREE_CHAIN   10
-
+	struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
 	struct ar9287_eeprom *pEepData = &ah->eeprom.map9287;
 	struct modal_eep_ar9287_header *pModal = &pEepData->modalHeader;
 	int16_t ratesArray[Ar5416RateSize];
@@ -949,20 +949,20 @@ static void ath9k_hw_AR9287_set_txpower(struct ath_hw *ah,
 		i = rate6mb;
 
 	if (AR_SREV_9280_10_OR_LATER(ah))
-		ah->regulatory.max_power_level =
+		regulatory->max_power_level =
 			ratesArray[i] + AR9287_PWR_TABLE_OFFSET_DB * 2;
 	else
-		ah->regulatory.max_power_level = ratesArray[i];
+		regulatory->max_power_level = ratesArray[i];
 
 	switch (ar5416_get_ntxchains(ah->txchainmask)) {
 	case 1:
 		break;
 	case 2:
-		ah->regulatory.max_power_level +=
+		regulatory->max_power_level +=
 			INCREASE_MAXPOW_BY_TWO_CHAIN;
 		break;
 	case 3:
-		ah->regulatory.max_power_level +=
+		regulatory->max_power_level +=
 			INCREASE_MAXPOW_BY_THREE_CHAIN;
 		break;
 	default:
diff --git a/drivers/net/wireless/ath/ath9k/eeprom_def.c b/drivers/net/wireless/ath/ath9k/eeprom_def.c
index 5211ad94c8f..ae7fb5dcb26 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom_def.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_def.c
@@ -904,6 +904,7 @@ static void ath9k_hw_set_def_power_per_rate_table(struct ath_hw *ah,
 #define REDUCE_SCALED_POWER_BY_TWO_CHAIN     6  /* 10*log10(2)*2 */
 #define REDUCE_SCALED_POWER_BY_THREE_CHAIN   10 /* 10*log10(3)*2 */
 
+	struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
 	struct ar5416_eeprom_def *pEepData = &ah->eeprom.def;
 	u16 twiceMaxEdgePower = AR5416_MAX_RATE_POWER;
 	static const u16 tpScaleReductionTable[5] =
@@ -953,9 +954,9 @@ static void ath9k_hw_set_def_power_per_rate_table(struct ath_hw *ah,
 
 	maxRegAllowedPower = twiceMaxRegulatoryPower + twiceLargestAntenna;
 
-	if (ah->regulatory.tp_scale != ATH9K_TP_SCALE_MAX) {
+	if (regulatory->tp_scale != ATH9K_TP_SCALE_MAX) {
 		maxRegAllowedPower -=
-			(tpScaleReductionTable[(ah->regulatory.tp_scale)] * 2);
+			(tpScaleReductionTable[(regulatory->tp_scale)] * 2);
 	}
 
 	scaledPower = min(powerLimit, maxRegAllowedPower);
@@ -1163,6 +1164,7 @@ static void ath9k_hw_def_set_txpower(struct ath_hw *ah,
 				    u8 powerLimit)
 {
 #define RT_AR_DELTA(x) (ratesArray[x] - cck_ofdm_delta)
+	struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
 	struct ar5416_eeprom_def *pEepData = &ah->eeprom.def;
 	struct modal_eep_header *pModal =
 		&(pEepData->modalHeader[IS_CHAN_2GHZ(chan)]);
@@ -1292,19 +1294,19 @@ static void ath9k_hw_def_set_txpower(struct ath_hw *ah,
 		i = rateHt20_0;
 
 	if (AR_SREV_9280_10_OR_LATER(ah))
-		ah->regulatory.max_power_level =
+		regulatory->max_power_level =
 			ratesArray[i] + AR5416_PWR_TABLE_OFFSET * 2;
 	else
-		ah->regulatory.max_power_level = ratesArray[i];
+		regulatory->max_power_level = ratesArray[i];
 
 	switch(ar5416_get_ntxchains(ah->txchainmask)) {
 	case 1:
 		break;
 	case 2:
-		ah->regulatory.max_power_level += INCREASE_MAXPOW_BY_TWO_CHAIN;
+		regulatory->max_power_level += INCREASE_MAXPOW_BY_TWO_CHAIN;
 		break;
 	case 3:
-		ah->regulatory.max_power_level += INCREASE_MAXPOW_BY_THREE_CHAIN;
+		regulatory->max_power_level += INCREASE_MAXPOW_BY_THREE_CHAIN;
 		break;
 	default:
 		DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index df62113d89d..4f3d5ea3481 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -439,8 +439,13 @@ static void ath9k_hw_init_config(struct ath_hw *ah)
 
 static void ath9k_hw_init_defaults(struct ath_hw *ah)
 {
+	struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
+
+	regulatory->country_code = CTRY_DEFAULT;
+	regulatory->power_limit = MAX_RATE_POWER;
+	regulatory->tp_scale = ATH9K_TP_SCALE_MAX;
+
 	ah->hw_version.magic = AR5416_MAGIC;
-	ah->regulatory.country_code = CTRY_DEFAULT;
 	ah->hw_version.subvendorid = 0;
 
 	ah->ah_flags = 0;
@@ -449,8 +454,6 @@ static void ath9k_hw_init_defaults(struct ath_hw *ah)
 	if (!AR_SREV_9100(ah))
 		ah->ah_flags = AH_USE_EEPROM;
 
-	ah->regulatory.power_limit = MAX_RATE_POWER;
-	ah->regulatory.tp_scale = ATH9K_TP_SCALE_MAX;
 	ah->atim_window = 0;
 	ah->sta_id1_defaults = AR_STA_ID1_CRPT_MIC_ENABLE;
 	ah->beacon_interval = 100;
@@ -1368,6 +1371,7 @@ static int ath9k_hw_process_ini(struct ath_hw *ah,
 				struct ath9k_channel *chan,
 				enum ath9k_ht_macmode macmode)
 {
+	struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
 	int i, regWrites = 0;
 	struct ieee80211_channel *channel = chan->chan;
 	u32 modesIndex, freqIndex;
@@ -1474,11 +1478,11 @@ static int ath9k_hw_process_ini(struct ath_hw *ah,
 		ath9k_olc_init(ah);
 
 	ah->eep_ops->set_txpower(ah, chan,
-				 ath9k_regd_get_ctl(&ah->regulatory, chan),
+				 ath9k_regd_get_ctl(regulatory, chan),
 				 channel->max_antenna_gain * 2,
 				 channel->max_power * 2,
 				 min((u32) MAX_RATE_POWER,
-				 (u32) ah->regulatory.power_limit));
+				 (u32) regulatory->power_limit));
 
 	if (!ath9k_hw_set_rf_regs(ah, chan, freqIndex)) {
 		DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
@@ -1796,6 +1800,7 @@ static bool ath9k_hw_channel_change(struct ath_hw *ah,
 				    struct ath9k_channel *chan,
 				    enum ath9k_ht_macmode macmode)
 {
+	struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
 	struct ieee80211_channel *channel = chan->chan;
 	u32 synthDelay, qnum;
 
@@ -1828,11 +1833,11 @@ static bool ath9k_hw_channel_change(struct ath_hw *ah,
 	}
 
 	ah->eep_ops->set_txpower(ah, chan,
-			     ath9k_regd_get_ctl(&ah->regulatory, chan),
+			     ath9k_regd_get_ctl(regulatory, chan),
 			     channel->max_antenna_gain * 2,
 			     channel->max_power * 2,
 			     min((u32) MAX_RATE_POWER,
-			     (u32) ah->regulatory.power_limit));
+			     (u32) regulatory->power_limit));
 
 	synthDelay = REG_READ(ah, AR_PHY_RX_DELAY) & AR_PHY_RX_DELAY_DELAY;
 	if (IS_CHAN_B(chan))
@@ -3480,27 +3485,29 @@ void ath9k_hw_set_sta_beacon_timers(struct ath_hw *ah,
 void ath9k_hw_fill_cap_info(struct ath_hw *ah)
 {
 	struct ath9k_hw_capabilities *pCap = &ah->caps;
+	struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
+
 	u16 capField = 0, eeval;
 
 	eeval = ah->eep_ops->get_eeprom(ah, EEP_REG_0);
-	ah->regulatory.current_rd = eeval;
+	regulatory->current_rd = eeval;
 
 	eeval = ah->eep_ops->get_eeprom(ah, EEP_REG_1);
 	if (AR_SREV_9285_10_OR_LATER(ah))
 		eeval |= AR9285_RDEXT_DEFAULT;
-	ah->regulatory.current_rd_ext = eeval;
+	regulatory->current_rd_ext = eeval;
 
 	capField = ah->eep_ops->get_eeprom(ah, EEP_OP_CAP);
 
 	if (ah->opmode != NL80211_IFTYPE_AP &&
 	    ah->hw_version.subvendorid == AR_SUBVENDOR_ID_NEW_A) {
-		if (ah->regulatory.current_rd == 0x64 ||
-		    ah->regulatory.current_rd == 0x65)
-			ah->regulatory.current_rd += 5;
-		else if (ah->regulatory.current_rd == 0x41)
-			ah->regulatory.current_rd = 0x43;
+		if (regulatory->current_rd == 0x64 ||
+		    regulatory->current_rd == 0x65)
+			regulatory->current_rd += 5;
+		else if (regulatory->current_rd == 0x41)
+			regulatory->current_rd = 0x43;
 		DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
-			"regdomain mapped to 0x%x\n", ah->regulatory.current_rd);
+			"regdomain mapped to 0x%x\n", regulatory->current_rd);
 	}
 
 	eeval = ah->eep_ops->get_eeprom(ah, EEP_OP_MODE);
@@ -3635,7 +3642,7 @@ void ath9k_hw_fill_cap_info(struct ath_hw *ah)
 	else
 		pCap->hw_caps |= ATH9K_HW_CAP_4KB_SPLITTRANS;
 
-	if (ah->regulatory.current_rd_ext & (1 << REG_EXT_JAPAN_MIDBAND)) {
+	if (regulatory->current_rd_ext & (1 << REG_EXT_JAPAN_MIDBAND)) {
 		pCap->reg_cap =
 			AR_EEPROM_EEREGCAP_EN_KK_NEW_11A |
 			AR_EEPROM_EEREGCAP_EN_KK_U1_EVEN |
@@ -3664,6 +3671,7 @@ void ath9k_hw_fill_cap_info(struct ath_hw *ah)
 bool ath9k_hw_getcapability(struct ath_hw *ah, enum ath9k_capability_type type,
 			    u32 capability, u32 *result)
 {
+	struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
 	switch (type) {
 	case ATH9K_CAP_CIPHER:
 		switch (capability) {
@@ -3712,13 +3720,13 @@ bool ath9k_hw_getcapability(struct ath_hw *ah, enum ath9k_capability_type type,
 		case 0:
 			return 0;
 		case 1:
-			*result = ah->regulatory.power_limit;
+			*result = regulatory->power_limit;
 			return 0;
 		case 2:
-			*result = ah->regulatory.max_power_level;
+			*result = regulatory->max_power_level;
 			return 0;
 		case 3:
-			*result = ah->regulatory.tp_scale;
+			*result = regulatory->tp_scale;
 			return 0;
 		}
 		return false;
@@ -3956,17 +3964,18 @@ bool ath9k_hw_disable(struct ath_hw *ah)
 
 void ath9k_hw_set_txpowerlimit(struct ath_hw *ah, u32 limit)
 {
+	struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
 	struct ath9k_channel *chan = ah->curchan;
 	struct ieee80211_channel *channel = chan->chan;
 
-	ah->regulatory.power_limit = min(limit, (u32) MAX_RATE_POWER);
+	regulatory->power_limit = min(limit, (u32) MAX_RATE_POWER);
 
 	ah->eep_ops->set_txpower(ah, chan,
-				 ath9k_regd_get_ctl(&ah->regulatory, chan),
+				 ath9k_regd_get_ctl(regulatory, chan),
 				 channel->max_antenna_gain * 2,
 				 channel->max_power * 2,
 				 min((u32) MAX_RATE_POWER,
-				 (u32) ah->regulatory.power_limit));
+				 (u32) regulatory->power_limit));
 }
 
 void ath9k_hw_setmac(struct ath_hw *ah, const u8 *mac)
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index de31a1595f1..24b30631d93 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -396,7 +396,6 @@ struct ath_hw {
 	struct ath9k_hw_version hw_version;
 	struct ath9k_ops_config config;
 	struct ath9k_hw_capabilities caps;
-	struct ath_regulatory regulatory;
 	struct ath9k_channel channels[38];
 	struct ath9k_channel *curchan;
 
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index fddda206def..de197117fdc 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1293,7 +1293,7 @@ static int ath9k_reg_notifier(struct wiphy *wiphy,
 	struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
 	struct ath_wiphy *aphy = hw->priv;
 	struct ath_softc *sc = aphy->sc;
-	struct ath_regulatory *reg = &sc->sc_ah->regulatory;
+	struct ath_regulatory *reg = &sc->common.regulatory;
 
 	return ath_reg_notifier_apply(wiphy, request, reg);
 }
@@ -1586,12 +1586,12 @@ int ath_init_device(u16 devid, struct ath_softc *sc)
 
 	ath_set_hw_capab(sc, hw);
 
-	error = ath_regd_init(&sc->sc_ah->regulatory, sc->hw->wiphy,
+	error = ath_regd_init(&sc->common.regulatory, sc->hw->wiphy,
 			      ath9k_reg_notifier);
 	if (error)
 		return error;
 
-	reg = &sc->sc_ah->regulatory;
+	reg = &sc->common.regulatory;
 
 	if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT) {
 		setup_ht_cap(sc, &sc->sbands[IEEE80211_BAND_2GHZ].ht_cap);