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Commit 3fd7ba4c authored by Yan-Hsuan Chuang's avatar Yan-Hsuan Chuang Committed by Kalle Valo
Browse files

rtlwifi: btcoex: 21a 2ant: check if wifi status changed 



Monitor wifi status and check if it is changed.

Signed-off-by: default avatarYan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: default avatarLarry Finger <Larry.Finger@lwfinger.net>
Cc: Pkshih <pkshih@realtek.com>
Cc: Birming Chiu <birming@realtek.com>
Cc: Shaofu <shaofu@realtek.com>
Cc: Steven Ting <steventing@realtek.com>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
parent d4acd81e

drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c

+41 −0
Original line number Diff line number Diff line
@@ -359,6 +359,47 @@ static void btc8821a2ant_query_bt_info(struct btc_coexist *btcoexist) 
	btcoexist->btc_fill_h2c(btcoexist, 0x61, 1, h2c_parameter);

}



bool btc8821a2ant_is_wifi_status_changed(struct btc_coexist *btcoexist)

{

	static bool pre_wifi_busy = true;

	static bool pre_under_4way = true;

	static bool pre_bt_hs_on = true;

	bool wifi_busy = false, under_4way = false, bt_hs_on = false;

	bool wifi_connected = false;

	u8 wifi_rssi_state = BTC_RSSI_STATE_HIGH;



	btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_CONNECTED,

			   &wifi_connected);

	btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_BUSY, &wifi_busy);

	btcoexist->btc_get(btcoexist, BTC_GET_BL_HS_OPERATION, &bt_hs_on);

	btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_4_WAY_PROGRESS,

			   &under_4way);



	if (wifi_connected) {

		if (wifi_busy != pre_wifi_busy) {

			pre_wifi_busy = wifi_busy;

			return true;

		}

		if (under_4way != pre_under_4way) {

			pre_under_4way = under_4way;

			return true;

		}

		if (bt_hs_on != pre_bt_hs_on) {

			pre_bt_hs_on = bt_hs_on;

			return true;

		}



		wifi_rssi_state = btc8821a2ant_wifi_rssi_state(btcoexist, 3, 2,

				BT_8821A_2ANT_WIFI_RSSI_COEXSWITCH_THRES, 0);



		if ((wifi_rssi_state == BTC_RSSI_STATE_HIGH) ||

		    (wifi_rssi_state == BTC_RSSI_STATE_LOW))

			return true;

	}



	return false;

}



static void btc8821a2ant_update_bt_link_info(struct btc_coexist *btcoexist)

{

	struct btc_bt_link_info *bt_link_info = &btcoexist->bt_link_info;

drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.h

+5 −0
Original line number Diff line number Diff line
@@ -38,6 +38,11 @@ 


#define	BTC_RSSI_COEX_THRESH_TOL_8821A_2ANT	2



/* WiFi RSSI Threshold for 2-Ant TDMA/1-Ant PS-TDMA translation */

#define BT_8821A_2ANT_WIFI_RSSI_COEXSWITCH_THRES 42

/* BT RSSI Threshold for 2-Ant TDMA/1-Ant PS-TDMA translation */

#define BT_8821A_2ANT_BT_RSSI_COEXSWITCH_THRES	46



enum _BT_INFO_SRC_8821A_2ANT {

	BT_INFO_SRC_8821A_2ANT_WIFI_FW		= 0x0,

	BT_INFO_SRC_8821A_2ANT_BT_RSP		= 0x1,