From: Yan-Hsuan Chuang <[email protected]> Monitor wifi status and check if it is changed.
Signed-off-by: Yan-Hsuan Chuang <[email protected]> Signed-off-by: Larry Finger <[email protected]> Cc: Pkshih <[email protected]> Cc: Birming Chiu <[email protected]> Cc: Shaofu <[email protected]> Cc: Steven Ting <[email protected]> --- .../realtek/rtlwifi/btcoexist/halbtc8821a2ant.c | 41 ++++++++++++++++++++++ .../realtek/rtlwifi/btcoexist/halbtc8821a2ant.h | 5 +++ 2 files changed, 46 insertions(+) diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c index 4d69955fbebc..4030b6429c1d 100644 --- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c +++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c @@ -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; diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.h b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.h index 6db96cf44034..603e446b5953 100644 --- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.h +++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.h @@ -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, -- 2.12.0
