From a6ef530f2b0bc7e871e8c2f2b2a0905eed57fead Mon Sep 17 00:00:00 2001 From: Vivek Natarajan Date: Tue, 26 Apr 2011 10:39:53 +0530 Subject: ath9k_hw: Add support for btcoexistence in AR9300. Signed-off-by: Vivek Natarajan Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/btcoex.c | 34 ++++++++++++++++++++++++++++++--- 1 file changed, 31 insertions(+), 3 deletions(-) (limited to 'drivers/net/wireless/ath/ath9k/btcoex.c') diff --git a/drivers/net/wireless/ath/ath9k/btcoex.c b/drivers/net/wireless/ath/ath9k/btcoex.c index 71e9e4841fa..23f15a7ca7f 100644 --- a/drivers/net/wireless/ath/ath9k/btcoex.c +++ b/drivers/net/wireless/ath/ath9k/btcoex.c @@ -51,6 +51,10 @@ void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum) .bt_hold_rx_clear = true, }; u32 i; + bool rxclear_polarity = ath_bt_config.bt_rxclear_polarity; + + if (AR_SREV_9300_20_OR_LATER(ah)) + rxclear_polarity = !ath_bt_config.bt_rxclear_polarity; btcoex_hw->bt_coex_mode = (btcoex_hw->bt_coex_mode & AR_BT_QCU_THRESH) | @@ -59,7 +63,7 @@ void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum) SM(ath_bt_config.bt_txframe_extend, AR_BT_TX_FRAME_EXTEND) | SM(ath_bt_config.bt_mode, AR_BT_MODE) | SM(ath_bt_config.bt_quiet_collision, AR_BT_QUIET) | - SM(ath_bt_config.bt_rxclear_polarity, AR_BT_RX_CLEAR_POLARITY) | + SM(rxclear_polarity, AR_BT_RX_CLEAR_POLARITY) | SM(ath_bt_config.bt_priority_time, AR_BT_PRIORITY_TIME) | SM(ath_bt_config.bt_first_slot_time, AR_BT_FIRST_SLOT_TIME) | SM(qnum, AR_BT_QCU_THRESH); @@ -142,6 +146,7 @@ void ath9k_hw_btcoex_set_weight(struct ath_hw *ah, } EXPORT_SYMBOL(ath9k_hw_btcoex_set_weight); + static void ath9k_hw_btcoex_enable_3wire(struct ath_hw *ah) { struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw; @@ -152,9 +157,22 @@ static void ath9k_hw_btcoex_enable_3wire(struct ath_hw *ah) * enable coex 3-wire */ REG_WRITE(ah, AR_BT_COEX_MODE, btcoex_hw->bt_coex_mode); - REG_WRITE(ah, AR_BT_COEX_WEIGHT, btcoex_hw->bt_coex_weights); REG_WRITE(ah, AR_BT_COEX_MODE2, btcoex_hw->bt_coex_mode2); + + if (AR_SREV_9300_20_OR_LATER(ah)) { + REG_WRITE(ah, AR_BT_COEX_WL_WEIGHTS0, ah->bt_coex_wlan_weight[0]); + REG_WRITE(ah, AR_BT_COEX_WL_WEIGHTS1, ah->bt_coex_wlan_weight[1]); + REG_WRITE(ah, AR_BT_COEX_BT_WEIGHTS0, ah->bt_coex_bt_weight[0]); + REG_WRITE(ah, AR_BT_COEX_BT_WEIGHTS1, ah->bt_coex_bt_weight[1]); + REG_WRITE(ah, AR_BT_COEX_BT_WEIGHTS2, ah->bt_coex_bt_weight[2]); + REG_WRITE(ah, AR_BT_COEX_BT_WEIGHTS3, ah->bt_coex_bt_weight[3]); + + } else + REG_WRITE(ah, AR_BT_COEX_WEIGHT, btcoex_hw->bt_coex_weights); + + + if (AR_SREV_9271(ah)) { val = REG_READ(ah, 0x50040); val &= 0xFFFFFEFF; @@ -202,8 +220,18 @@ void ath9k_hw_btcoex_disable(struct ath_hw *ah) if (btcoex_hw->scheme == ATH_BTCOEX_CFG_3WIRE) { REG_WRITE(ah, AR_BT_COEX_MODE, AR_BT_QUIET | AR_BT_MODE); - REG_WRITE(ah, AR_BT_COEX_WEIGHT, 0); REG_WRITE(ah, AR_BT_COEX_MODE2, 0); + + if (AR_SREV_9300_20_OR_LATER(ah)) { + REG_WRITE(ah, AR_BT_COEX_WL_WEIGHTS0, 0); + REG_WRITE(ah, AR_BT_COEX_WL_WEIGHTS1, 0); + REG_WRITE(ah, AR_BT_COEX_BT_WEIGHTS0, 0); + REG_WRITE(ah, AR_BT_COEX_BT_WEIGHTS1, 0); + REG_WRITE(ah, AR_BT_COEX_BT_WEIGHTS2, 0); + REG_WRITE(ah, AR_BT_COEX_BT_WEIGHTS3, 0); + } else + REG_WRITE(ah, AR_BT_COEX_WEIGHT, 0); + } ah->btcoex_hw.enabled = false; -- cgit v1.2.3