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Commit e083a42e authored by Sujith Manoharan's avatar Sujith Manoharan Committed by John W. Linville
Browse files

ath9k: Add antenna diversity tweak for CUS198 



This improves RX diversity and performance for AR9485.

Signed-off-by: default avatarSujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent fb5a2dcb

drivers/net/wireless/ath/ath9k/ar9003_eeprom.c

+5 −0
Original line number Original line Diff line number Diff line
@@ -3825,6 +3825,11 @@ static void ar9003_hw_atten_apply(struct ath_hw *ah, struct ath9k_channel *chan) 
			else

			else

				value = ar9003_hw_atten_chain_get_margin(ah, i, chan);

				value = ar9003_hw_atten_chain_get_margin(ah, i, chan);





			if (ah->config.alt_mingainidx)

				REG_RMW_FIELD(ah, AR_PHY_EXT_ATTEN_CTL_0,

					      AR_PHY_EXT_ATTEN_CTL_XATTEN1_MARGIN,

					      value);



			REG_RMW_FIELD(ah, ext_atten_reg[i],

			REG_RMW_FIELD(ah, ext_atten_reg[i],

				      AR_PHY_EXT_ATTEN_CTL_XATTEN1_MARGIN,

				      AR_PHY_EXT_ATTEN_CTL_XATTEN1_MARGIN,

				      value);

				      value);

drivers/net/wireless/ath/ath9k/ar9003_phy.h

+2 −0
Original line number Original line Diff line number Diff line
@@ -148,6 +148,8 @@ 
#define AR_PHY_SFCORR_SPUR_SUBCHNL_SD_S   28

#define AR_PHY_SFCORR_SPUR_SUBCHNL_SD_S   28

#define AR_PHY_EXT_CCA_THRESH62 0x007F0000

#define AR_PHY_EXT_CCA_THRESH62 0x007F0000

#define AR_PHY_EXT_CCA_THRESH62_S       16

#define AR_PHY_EXT_CCA_THRESH62_S       16

#define AR_PHY_EXTCHN_PWRTHR1_ANT_DIV_ALT_ANT_MINGAINIDX    0x0000FF00

#define AR_PHY_EXTCHN_PWRTHR1_ANT_DIV_ALT_ANT_MINGAINIDX_S  8

#define AR_PHY_EXT_MINCCA_PWR   0x01FF0000

#define AR_PHY_EXT_MINCCA_PWR   0x01FF0000

#define AR_PHY_EXT_MINCCA_PWR_S 16

#define AR_PHY_EXT_MINCCA_PWR_S 16

#define AR_PHY_EXT_CYCPWR_THR1 0x0000FE00L

#define AR_PHY_EXT_CYCPWR_THR1 0x0000FE00L

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

+1 −0
Original line number Original line Diff line number Diff line
@@ -314,6 +314,7 @@ struct ath9k_ops_config { 
	u32 xlna_gpio;

	u32 xlna_gpio;

	u32 ant_ctrl_comm2g_switch_enable;

	u32 ant_ctrl_comm2g_switch_enable;

	bool xatten_margin_cfg;

	bool xatten_margin_cfg;

	bool alt_mingainidx;

};

};





enum ath9k_int {

enum ath9k_int {

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

+1 −0
Original line number Original line Diff line number Diff line
@@ -534,6 +534,7 @@ static void ath9k_init_platform(struct ath_softc *sc) 
			       ATH9K_PCI_CUS230)) {

			       ATH9K_PCI_CUS230)) {

		ah->config.xlna_gpio = 9;

		ah->config.xlna_gpio = 9;

		ah->config.xatten_margin_cfg = true;

		ah->config.xatten_margin_cfg = true;

		ah->config.alt_mingainidx = true;

		ah->config.ant_ctrl_comm2g_switch_enable = 0x000BBB88;

		ah->config.ant_ctrl_comm2g_switch_enable = 0x000BBB88;

		sc->ant_comb.low_rssi_thresh = 20;

		sc->ant_comb.low_rssi_thresh = 20;

		sc->ant_comb.fast_div_bias = 3;

		sc->ant_comb.fast_div_bias = 3;