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authorVivek Natarajan <vnatarajan@atheros.com>2011-04-26 09:09:53 +0400
committerJohn W. Linville <linville@tuxdriver.com>2011-04-28 22:50:01 +0400
commita6ef530f2b0bc7e871e8c2f2b2a0905eed57fead (patch)
tree605ec1e98b4ef9aea90dfcfea695a02f2886e85e /drivers/net/wireless/ath/ath9k/btcoex.c
parent978f78bf71372a48785ac9407ebc10170f14f56c (diff)
downloadlinux-a6ef530f2b0bc7e871e8c2f2b2a0905eed57fead.tar.xz
ath9k_hw: Add support for btcoexistence in AR9300.
Signed-off-by: Vivek Natarajan <vnatarajan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/btcoex.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/btcoex.c34
1 files changed, 31 insertions, 3 deletions
diff --git a/drivers/net/wireless/ath/ath9k/btcoex.c b/drivers/net/wireless/ath/ath9k/btcoex.c
index 71e9e4841fa2..23f15a7ca7f1 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;