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path: root/drivers/net/wireless/ath/ath9k/btcoex.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/btcoex.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/btcoex.c100
1 files changed, 97 insertions, 3 deletions
diff --git a/drivers/net/wireless/ath/ath9k/btcoex.c b/drivers/net/wireless/ath/ath9k/btcoex.c
index d33bf204c99..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;
@@ -202,10 +220,86 @@ 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;
}
EXPORT_SYMBOL(ath9k_hw_btcoex_disable);
+
+static void ar9003_btcoex_bt_stomp(struct ath_hw *ah,
+ enum ath_stomp_type stomp_type)
+{
+ ah->bt_coex_bt_weight[0] = AR9300_BT_WGHT;
+ ah->bt_coex_bt_weight[1] = AR9300_BT_WGHT;
+ ah->bt_coex_bt_weight[2] = AR9300_BT_WGHT;
+ ah->bt_coex_bt_weight[3] = AR9300_BT_WGHT;
+
+
+ switch (stomp_type) {
+ case ATH_BTCOEX_STOMP_ALL:
+ ah->bt_coex_wlan_weight[0] = AR9300_STOMP_ALL_WLAN_WGHT0;
+ ah->bt_coex_wlan_weight[1] = AR9300_STOMP_ALL_WLAN_WGHT1;
+ break;
+ case ATH_BTCOEX_STOMP_LOW:
+ ah->bt_coex_wlan_weight[0] = AR9300_STOMP_LOW_WLAN_WGHT0;
+ ah->bt_coex_wlan_weight[1] = AR9300_STOMP_LOW_WLAN_WGHT1;
+ break;
+ case ATH_BTCOEX_STOMP_NONE:
+ ah->bt_coex_wlan_weight[0] = AR9300_STOMP_NONE_WLAN_WGHT0;
+ ah->bt_coex_wlan_weight[1] = AR9300_STOMP_NONE_WLAN_WGHT1;
+ break;
+
+ default:
+ ath_dbg(ath9k_hw_common(ah), ATH_DBG_BTCOEX,
+ "Invalid Stomptype\n");
+ break;
+ }
+
+ ath9k_hw_btcoex_enable(ah);
+}
+
+/*
+ * Configures appropriate weight based on stomp type.
+ */
+void ath9k_hw_btcoex_bt_stomp(struct ath_hw *ah,
+ enum ath_stomp_type stomp_type)
+{
+ if (AR_SREV_9300_20_OR_LATER(ah)) {
+ ar9003_btcoex_bt_stomp(ah, stomp_type);
+ return;
+ }
+
+ switch (stomp_type) {
+ case ATH_BTCOEX_STOMP_ALL:
+ ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT,
+ AR_STOMP_ALL_WLAN_WGHT);
+ break;
+ case ATH_BTCOEX_STOMP_LOW:
+ ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT,
+ AR_STOMP_LOW_WLAN_WGHT);
+ break;
+ case ATH_BTCOEX_STOMP_NONE:
+ ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT,
+ AR_STOMP_NONE_WLAN_WGHT);
+ break;
+ default:
+ ath_dbg(ath9k_hw_common(ah), ATH_DBG_BTCOEX,
+ "Invalid Stomptype\n");
+ break;
+ }
+
+ ath9k_hw_btcoex_enable(ah);
+}
+EXPORT_SYMBOL(ath9k_hw_btcoex_bt_stomp);