[PATCH 06/14] rtlwifi: btcoex: 21a 2ant: set tdma based on rssi state amd limit rx agg size

[Larry Finger <Larry.Finger@xxxxxxxxxxxx>]

From: Yan-Hsuan Chuang <yhchuang@xxxxxxxxxxx>

Monitor the rssi state to set the tdma and limit rx aggregation size to
fit the bt profiling.

Signed-off-by: Yan-Hsuan Chuang <yhchuang@xxxxxxxxxxx>
Signed-off-by: Larry Finger <Larry.Finger@xxxxxxxxxxxx>
Cc: Pkshih <pkshih@xxxxxxxxxxx>
Cc: Birming Chiu <birming@xxxxxxxxxxx>
Cc: Shaofu <shaofu@xxxxxxxxxxx>
Cc: Steven Ting <steventing@xxxxxxxxxxx>
---
 .../realtek/rtlwifi/btcoexist/halbtc8821a2ant.c    | 51 ++++++++++------------
 1 file changed, 23 insertions(+), 28 deletions(-)

diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c
index bbce0cbe2e9a..9df5b4c195ff 100644
--- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c
+++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c
@@ -2875,33 +2875,40 @@ static void btc8821a2ant_action_a2dp(struct btc_coexist *btcoexist)
 
 static void btc8821a2ant_action_a2dp_pan_hs(struct btc_coexist *btcoexist)
 {
-	u8 wifi_rssi_state, bt_rssi_state, bt_info_ext;
+	u8 wifi_rssi_state, wifi_rssi_state1, bt_rssi_state;
 	u32 wifi_bw;
 
-	bt_info_ext = coex_sta->bt_info_ext;
 	wifi_rssi_state = btc8821a2ant_wifi_rssi_state(btcoexist, 0, 2, 15, 0);
-	bt_rssi_state = btc8821a2ant_bt_rssi_state(btcoexist, 2, 35, 0);
+	wifi_rssi_state1 = btc8821a2ant_wifi_rssi_state(btcoexist, 1, 2,
+				BT_8821A_2ANT_WIFI_RSSI_COEXSWITCH_THRES, 0);
+	bt_rssi_state = btc8821a2ant_bt_rssi_state(btcoexist,
+		2, BT_8821A_2ANT_BT_RSSI_COEXSWITCH_THRES, 0);
+
+	btcoexist->btc_set_rf_reg(btcoexist, BTC_RF_A, 0x1, 0xfffff, 0x0);
+
+	btc8821a2ant_limited_rx(btcoexist, NORMAL_EXEC, false, false, 0x8);
+	btc8821a2ant_fw_dac_swing_lvl(btcoexist, NORMAL_EXEC, 6);
 
 	if (BTC_RSSI_HIGH(bt_rssi_state))
 		btc8821a2ant_dec_bt_pwr(btcoexist, NORMAL_EXEC, 2);
 	else
 		btc8821a2ant_dec_bt_pwr(btcoexist, NORMAL_EXEC, 0);
 
-	btcoexist->btc_get(btcoexist, BTC_GET_U4_WIFI_BW, &wifi_bw);
+	if (BTC_RSSI_HIGH(wifi_rssi_state1) && BTC_RSSI_HIGH(bt_rssi_state)) {
+		btc8821a2ant_coex_table_with_type(btcoexist, NORMAL_EXEC, 7);
+		btc8821a2ant_power_save_state(btcoexist, BTC_PS_WIFI_NATIVE,
+					      0x0, 0x0);
+	} else {
+		btc8821a2ant_coex_table_with_type(btcoexist, NORMAL_EXEC, 13);
+		btc8821a2ant_power_save_state(btcoexist, BTC_PS_LPS_ON, 0x50,
+					      0x4);
+	}
 
-	if (wifi_bw == BTC_WIFI_BW_HT40) {
-		/* fw mechanism */
-		if (bt_info_ext&BIT0) {
-			/* a2dp basic rate */
-			btc8821a2ant_tdma_duration_adjust(btcoexist, false,
-							  true, 2);
-		} else {
-			/* a2dp edr rate */
-			btc8821a2ant_tdma_duration_adjust(btcoexist, false,
-							  true, 1);
-		}
+	btc8821a2ant_tdma_duration_adjust(btcoexist, false, true, 2);
 
-		/* sw mechanism */
+	/* sw mechanism */
+	btcoexist->btc_get(btcoexist, BTC_GET_U4_WIFI_BW, &wifi_bw);
+	if (wifi_bw == BTC_WIFI_BW_HT40) {
 		if ((wifi_rssi_state == BTC_RSSI_STATE_HIGH) ||
 		    (wifi_rssi_state == BTC_RSSI_STATE_STAY_HIGH)) {
 			btc8821a2ant_sw_mechanism1(btcoexist, true, false,
@@ -2915,18 +2922,6 @@ static void btc8821a2ant_action_a2dp_pan_hs(struct btc_coexist *btcoexist)
 						   false, 0x18);
 		}
 	} else {
-		/* fw mechanism */
-		if (bt_info_ext&BIT0) {
-			/* a2dp basic rate */
-			btc8821a2ant_tdma_duration_adjust(btcoexist, false,
-							  true, 2);
-		} else {
-			/* a2dp edr rate */
-			btc8821a2ant_tdma_duration_adjust(btcoexist, false,
-							  true, 1);
-		}
-
-		/* sw mechanism */
 		if ((wifi_rssi_state == BTC_RSSI_STATE_HIGH) ||
 		    (wifi_rssi_state == BTC_RSSI_STATE_STAY_HIGH)) {
 			btc8821a2ant_sw_mechanism1(btcoexist, false, false,
-- 
2.12.0