diff options
| author | Sujith Manoharan <c_manoha@qca.qualcomm.com> | 2013-09-02 12:29:01 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2013-09-26 23:13:28 +0400 |
| commit | c946868228685b66ed41a8526ba0b6c9875622c8 (patch) | |
| tree | 7ba8447a8c844643700e81ab713a0c571cbdfdfc /drivers/net/wireless/ath/ath9k/ar9003_eeprom.c | |
| parent | 7e12d6a496fefb202ea2bfbbcab7426b9bd77d5b (diff) | |
| download | linux-c946868228685b66ed41a8526ba0b6c9875622c8.tar.xz | |
ath9k: Fix antenna diversity init for AR9565
Program the HW registers (AR_PHY_CCK_DETECT, AR_PHY_MC_GAIN_CTRL)
with the correct values for AR9565 to allow LNA combining.
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/ath9k/ar9003_eeprom.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ar9003_eeprom.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c index 6af2d738a39e..5982256078d8 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c @@ -3659,9 +3659,23 @@ static void ar9003_hw_ant_ctrl_apply(struct ath_hw *ah, bool is2ghz) if (AR_SREV_9565(ah)) { if (common->bt_ant_diversity) { regval |= (1 << AR_PHY_ANT_SW_RX_PROT_S); + + REG_SET_BIT(ah, AR_PHY_RESTART, + AR_PHY_RESTART_ENABLE_DIV_M2FLAG); + + /* Force WLAN LNA diversity ON */ + REG_SET_BIT(ah, AR_BTCOEX_WL_LNADIV, + AR_BTCOEX_WL_LNADIV_FORCE_ON); } else { regval &= ~(1 << AR_PHY_ANT_DIV_LNADIV_S); regval &= ~(1 << AR_PHY_ANT_SW_RX_PROT_S); + + REG_CLR_BIT(ah, AR_PHY_MC_GAIN_CTRL, + (1 << AR_PHY_ANT_SW_RX_PROT_S)); + + /* Force WLAN LNA diversity OFF */ + REG_CLR_BIT(ah, AR_BTCOEX_WL_LNADIV, + AR_BTCOEX_WL_LNADIV_FORCE_ON); } } @@ -3672,7 +3686,8 @@ static void ar9003_hw_ant_ctrl_apply(struct ath_hw *ah, bool is2ghz) regval &= (~AR_FAST_DIV_ENABLE); regval |= ((value >> 7) & 0x1) << AR_FAST_DIV_ENABLE_S; - if (AR_SREV_9485(ah) && common->bt_ant_diversity) + if ((AR_SREV_9485(ah) || AR_SREV_9565(ah)) + && common->bt_ant_diversity) regval |= AR_FAST_DIV_ENABLE; REG_WRITE(ah, AR_PHY_CCK_DETECT, regval); |