diff options
| author | Sujith Manoharan <c_manoha@qca.qualcomm.com> | 2013-08-19 05:34:01 (GMT) |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2013-08-22 18:30:29 (GMT) |
| commit | e083a42ef616b6987c024cccfec72cec75a1f1f5 (patch) | |
| tree | 91a7e21dfd5971b4affef23e32091763dc0b6009 /drivers/net/wireless/ath | |
| parent | fb5a2dcbbcf19f8ff7e5312b2340460bc03a4b89 (diff) | |
| download | linux-fsl-qoriq-e083a42ef616b6987c024cccfec72cec75a1f1f5.tar.xz | |
ath9k: Add antenna diversity tweak for CUS198
This improves RX diversity and performance for AR9485.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ar9003_eeprom.c | 5 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ar9003_phy.h | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/hw.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/init.c | 1 |
4 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c index abdc7ee..a6846ab 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c @@ -3825,6 +3825,11 @@ static void ar9003_hw_atten_apply(struct ath_hw *ah, struct ath9k_channel *chan) else 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], AR_PHY_EXT_ATTEN_CTL_XATTEN1_MARGIN, value); diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.h b/drivers/net/wireless/ath/ath9k/ar9003_phy.h index 23c019d..6fd7523 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_phy.h +++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.h @@ -148,6 +148,8 @@ #define AR_PHY_SFCORR_SPUR_SUBCHNL_SD_S 28 #define AR_PHY_EXT_CCA_THRESH62 0x007F0000 #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_S 16 #define AR_PHY_EXT_CYCPWR_THR1 0x0000FE00L diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h index 64ff8e6..fa543a6 100644 --- a/drivers/net/wireless/ath/ath9k/hw.h +++ b/drivers/net/wireless/ath/ath9k/hw.h @@ -314,6 +314,7 @@ struct ath9k_ops_config { u32 xlna_gpio; u32 ant_ctrl_comm2g_switch_enable; bool xatten_margin_cfg; + bool alt_mingainidx; }; enum ath9k_int { diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c index abf1eb5..19b46c7 100644 --- a/drivers/net/wireless/ath/ath9k/init.c +++ b/drivers/net/wireless/ath/ath9k/init.c @@ -534,6 +534,7 @@ static void ath9k_init_platform(struct ath_softc *sc) ATH9K_PCI_CUS230)) { ah->config.xlna_gpio = 9; ah->config.xatten_margin_cfg = true; + ah->config.alt_mingainidx = true; ah->config.ant_ctrl_comm2g_switch_enable = 0x000BBB88; sc->ant_comb.low_rssi_thresh = 20; sc->ant_comb.fast_div_bias = 3; |