ath9k_hw: make antenna diversity modules chip specific

this is necessary to support Antenna diversity and combining in new chip
sets such as AR9485, previously Antenna diversity support is available
only in AR9285

Cc: Gabriel Tseng <Gabriel.Tseng@Atheros.com>
Cc: Senthilkumar Balasubramanian <Senthilkumar.Balasubramanian@Atheros.com>
Signed-off-by: Mohammed Shafi Shajakhan <mshajakhan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath/ath9k/ar9002_phy.c

@@ -517,23 +517,7 @@ static void ar9002_hw_set_nf_limits(struct ath_hw *ah)
 	}
 }
 
-void ar9002_hw_attach_phy_ops(struct ath_hw *ah)
-{
-	struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah);
-
-	priv_ops->set_rf_regs = NULL;
-	priv_ops->rf_alloc_ext_banks = NULL;
-	priv_ops->rf_free_ext_banks = NULL;
-	priv_ops->rf_set_freq = ar9002_hw_set_channel;
-	priv_ops->spur_mitigate_freq = ar9002_hw_spur_mitigate;
-	priv_ops->olc_init = ar9002_olc_init;
-	priv_ops->compute_pll_control = ar9002_hw_compute_pll_control;
-	priv_ops->do_getnf = ar9002_hw_do_getnf;
-
-	ar9002_hw_set_nf_limits(ah);
-}
-
-void ath9k_hw_antdiv_comb_conf_get(struct ath_hw *ah,
+static void ar9002_hw_antdiv_comb_conf_get(struct ath_hw *ah,
 				   struct ath_hw_antcomb_conf *antconf)
 {
 	u32 regval;
@@ -546,9 +530,8 @@ void ath9k_hw_antdiv_comb_conf_get(struct ath_hw *ah,
 	antconf->fast_div_bias = (regval & AR_PHY_9285_FAST_DIV_BIAS) >>
 				  AR_PHY_9285_FAST_DIV_BIAS_S;
 }
-EXPORT_SYMBOL(ath9k_hw_antdiv_comb_conf_get);
 
-void ath9k_hw_antdiv_comb_conf_set(struct ath_hw *ah,
+static void ar9002_hw_antdiv_comb_conf_set(struct ath_hw *ah,
 				   struct ath_hw_antcomb_conf *antconf)
 {
 	u32 regval;
@@ -566,4 +549,23 @@ void ath9k_hw_antdiv_comb_conf_set(struct ath_hw *ah,
 
 	REG_WRITE(ah, AR_PHY_MULTICHAIN_GAIN_CTL, regval);
 }
-EXPORT_SYMBOL(ath9k_hw_antdiv_comb_conf_set);
+
+void ar9002_hw_attach_phy_ops(struct ath_hw *ah)
+{
+	struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah);
+	struct ath_hw_ops *ops = ath9k_hw_ops(ah);
+
+	priv_ops->set_rf_regs = NULL;
+	priv_ops->rf_alloc_ext_banks = NULL;
+	priv_ops->rf_free_ext_banks = NULL;
+	priv_ops->rf_set_freq = ar9002_hw_set_channel;
+	priv_ops->spur_mitigate_freq = ar9002_hw_spur_mitigate;
+	priv_ops->olc_init = ar9002_olc_init;
+	priv_ops->compute_pll_control = ar9002_hw_compute_pll_control;
+	priv_ops->do_getnf = ar9002_hw_do_getnf;
+
+	ops->antdiv_comb_conf_get = ar9002_hw_antdiv_comb_conf_get;
+	ops->antdiv_comb_conf_set = ar9002_hw_antdiv_comb_conf_set;
+
+	ar9002_hw_set_nf_limits(ah);
+}

drivers/net/wireless/ath/ath9k/hw-ops.h

@@ -121,6 +121,18 @@ static inline void ath9k_hw_set_clrdmask(struct ath_hw *ah, void *ds, bool val)
 	ath9k_hw_ops(ah)->set_clrdmask(ah, ds, val);
 }
 
+static inline void ath9k_hw_antdiv_comb_conf_get(struct ath_hw *ah,
+		struct ath_hw_antcomb_conf *antconf)
+{
+	ath9k_hw_ops(ah)->antdiv_comb_conf_get(ah, antconf);
+}
+
+static inline void ath9k_hw_antdiv_comb_conf_set(struct ath_hw *ah,
+		struct ath_hw_antcomb_conf *antconf)
+{
+	ath9k_hw_ops(ah)->antdiv_comb_conf_set(ah, antconf);
+}
+
 /* Private hardware call ops */
 
 /* PHY ops */

drivers/net/wireless/ath/ath9k/hw.h

@@ -629,6 +629,11 @@ struct ath_hw_ops {
 	void (*set11n_aggr_last)(struct ath_hw *ah, void *ds);
 	void (*clr11n_aggr)(struct ath_hw *ah, void *ds);
 	void (*set_clrdmask)(struct ath_hw *ah, void *ds, bool val);
+	void (*antdiv_comb_conf_get)(struct ath_hw *ah,
+			struct ath_hw_antcomb_conf *antconf);
+	void (*antdiv_comb_conf_set)(struct ath_hw *ah,
+			struct ath_hw_antcomb_conf *antconf);
+
 };
 
 struct ath_nf_limits {
@@ -904,10 +909,6 @@ void ath9k_hw_cfg_output(struct ath_hw *ah, u32 gpio,
 void ath9k_hw_set_gpio(struct ath_hw *ah, u32 gpio, u32 val);
 u32 ath9k_hw_getdefantenna(struct ath_hw *ah);
 void ath9k_hw_setantenna(struct ath_hw *ah, u32 antenna);
-void ath9k_hw_antdiv_comb_conf_get(struct ath_hw *ah,
-				   struct ath_hw_antcomb_conf *antconf);
-void ath9k_hw_antdiv_comb_conf_set(struct ath_hw *ah,
-				   struct ath_hw_antcomb_conf *antconf);
 
 /* General Operation */
 bool ath9k_hw_wait(struct ath_hw *ah, u32 reg, u32 mask, u32 val, u32 timeout);