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author | adrian <adrian@FreeBSD.org> | 2016-06-01 03:20:55 +0000 |
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committer | adrian <adrian@FreeBSD.org> | 2016-06-01 03:20:55 +0000 |
commit | 07a8a67f95cc020703c6366d613f3c12c233c9c2 (patch) | |
tree | 2ed470275f653914f106a60dd50115039b9139e9 /sys/contrib/dev | |
parent | 6cf197822e950b309aee72e51772073d1703134c (diff) | |
download | FreeBSD-src-07a8a67f95cc020703c6366d613f3c12c233c9c2.zip FreeBSD-src-07a8a67f95cc020703c6366d613f3c12c233c9c2.tar.gz |
[ath_hal] add QCA9565 bluteooth antenna control.
This configures the LNA antenna diversity control, which should be on
if wlan owns the LNA for bluetooth coexistence. Otherwise, make sure
it's off.
I think this is eventually intended to allow 1-antenna bluetooth +
wifi setups for QCA9565, but I'm not sure where that's actually configured
in ath9k.
Obtained from: Linux ath9k
Diffstat (limited to 'sys/contrib/dev')
-rw-r--r-- | sys/contrib/dev/ath/ath_hal/ar9300/ar9300_eeprom.c | 32 |
1 files changed, 30 insertions, 2 deletions
diff --git a/sys/contrib/dev/ath/ath_hal/ar9300/ar9300_eeprom.c b/sys/contrib/dev/ath/ath_hal/ar9300/ar9300_eeprom.c index f1ae989..5e4a0a1 100644 --- a/sys/contrib/dev/ath/ath_hal/ar9300/ar9300_eeprom.c +++ b/sys/contrib/dev/ath/ath_hal/ar9300/ar9300_eeprom.c @@ -1643,6 +1643,10 @@ HAL_BOOL ar9300_ant_ctrl_apply(struct ath_hal *ah, HAL_BOOL is_2ghz) u_int32_t xlan_gpio_cfg; u_int8_t i; + HALDEBUG(ah, HAL_DEBUG_BT_COEX, "%s: use_bt_ant_enable=%d\n", + __func__, ahp->ah_lna_div_use_bt_ant_enable); + + /* XXX TODO: only if rx_gain_idx == 0 */ if (AR_SREV_POSEIDON(ah)) { xlan_gpio_cfg = ah->ah_config.ath_hal_ext_lna_ctl_gpio; if (xlan_gpio_cfg) { @@ -1733,7 +1737,7 @@ HAL_BOOL ar9300_ant_ctrl_apply(struct ath_hal *ah, HAL_BOOL is_2ghz) AR_PHY_SWITCH_CHAIN_2, AR_SWITCH_TABLE_ALL, value); } } - if (AR_SREV_HORNET(ah) || AR_SREV_POSEIDON(ah)) { + if (AR_SREV_HORNET(ah) || AR_SREV_POSEIDON(ah) || AR_SREV_APHRODITE(ah)) { value = ar9300_eeprom_get(ahp, EEP_ANTDIV_control); /* main_lnaconf, alt_lnaconf, main_tb, alt_tb */ regval = OS_REG_READ(ah, AR_PHY_MC_GAIN_CTRL); @@ -1747,6 +1751,29 @@ HAL_BOOL ar9300_ant_ctrl_apply(struct ath_hal *ah, HAL_BOOL is_2ghz) if ( AR_SREV_POSEIDON(ah) && (ahp->ah_lna_div_use_bt_ant_enable == TRUE) ) { regval |= ANT_DIV_ENABLE; } + if (AR_SREV_APHRODITE(ah)) { + if (ahp->ah_lna_div_use_bt_ant_enable) { + regval |= (1 << MULTICHAIN_GAIN_CTRL__ENABLE_ANT_SW_RX_PROT__SHIFT); + + OS_REG_SET_BIT(ah, AR_PHY_RESTART, + RESTART__ENABLE_ANT_FAST_DIV_M2FLAG__MASK); + + /* Force WLAN LNA diversity ON */ + OS_REG_SET_BIT(ah, AR_BTCOEX_WL_LNADIV, + AR_BTCOEX_WL_LNADIV_FORCE_ON); + } else { + regval &= ~(1 << MULTICHAIN_GAIN_CTRL__ENABLE_ANT_DIV_LNADIV__SHIFT); + regval &= ~(1 << MULTICHAIN_GAIN_CTRL__ENABLE_ANT_SW_RX_PROT__SHIFT); + + OS_REG_CLR_BIT(ah, AR_PHY_MC_GAIN_CTRL, + (1 << MULTICHAIN_GAIN_CTRL__ENABLE_ANT_SW_RX_PROT__SHIFT)); + + /* Force WLAN LNA diversity OFF */ + OS_REG_CLR_BIT(ah, AR_BTCOEX_WL_LNADIV, + AR_BTCOEX_WL_LNADIV_FORCE_ON); + } + } + #endif /* ATH_ANT_DIV_COMB */ OS_REG_WRITE(ah, AR_PHY_MC_GAIN_CTRL, regval); @@ -1756,7 +1783,8 @@ HAL_BOOL ar9300_ant_ctrl_apply(struct ath_hal *ah, HAL_BOOL is_2ghz) regval |= ((value >> 7) & 0x1) << BBB_SIG_DETECT__ENABLE_ANT_FAST_DIV__SHIFT; #if ATH_ANT_DIV_COMB - if ( AR_SREV_POSEIDON(ah) && (ahp->ah_lna_div_use_bt_ant_enable == TRUE) ) { + if ((AR_SREV_POSEIDON(ah) || AR_SREV_APHRODITE(ah)) + && (ahp->ah_lna_div_use_bt_ant_enable == TRUE) ) { regval |= FAST_DIV_ENABLE; } #endif /* ATH_ANT_DIV_COMB */ |