From 29c1de91937a5f6204a9dabf9049c263b4a2b57c Mon Sep 17 00:00:00 2001 From: Ping-Ke Shih Date: Fri, 19 May 2017 10:59:37 -0500 Subject: [PATCH] rtlwifi: btcoex: 23b 1ant: Revise media status notify to fix no scan result issue Force antenna setup for no scan result issue Signed-off-by: Ping-Ke Shih Signed-off-by: Larry Finger Cc: Yan-Hsuan Chuang Cc: Birming Chiu Cc: Shaofu Cc: Steven Ting Signed-off-by: Kalle Valo --- .../rtlwifi/btcoexist/halbtc8723b1ant.c | 39 ++++++++++++++++++- 1 file changed, 37 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.c b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.c index 61e8a7e95a91..b8b50c13d911 100644 --- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.c +++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.c @@ -2804,18 +2804,53 @@ void ex_halbtc8723b1ant_media_status_notify(struct btc_coexist *btcoexist, u8 h2c_parameter[3] = {0}; u32 wifi_bw; u8 wifi_central_chnl; + bool wifi_under_b_mode = false; if (btcoexist->manual_control || btcoexist->stop_coex_dm || coex_sta->bt_disabled) return; - if (BTC_MEDIA_CONNECT == type) + if (type == BTC_MEDIA_CONNECT) { RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD, "[BTCoex], MEDIA connect notify\n"); - else + /* Force antenna setup for no scan result issue */ + halbtc8723b1ant_ps_tdma(btcoexist, FORCE_EXEC, false, 8); + halbtc8723b1ant_set_ant_path(btcoexist, BTC_ANT_PATH_PTA, + FORCE_EXEC, false, false); + btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_UNDER_B_MODE, + &wifi_under_b_mode); + + /* Set CCK Tx/Rx high Pri except 11b mode */ + if (wifi_under_b_mode) { + btcoexist->btc_write_1byte(btcoexist, 0x6cd, + 0x00); /* CCK Tx */ + btcoexist->btc_write_1byte(btcoexist, 0x6cf, + 0x00); /* CCK Rx */ + } else { + btcoexist->btc_write_1byte(btcoexist, 0x6cd, + 0x00); /* CCK Tx */ + btcoexist->btc_write_1byte(btcoexist, 0x6cf, + 0x10); /* CCK Rx */ + } + + coex_dm->backup_arfr_cnt1 = + btcoexist->btc_read_4byte(btcoexist, 0x430); + coex_dm->backup_arfr_cnt2 = + btcoexist->btc_read_4byte(btcoexist, 0x434); + coex_dm->backup_retry_limit = + btcoexist->btc_read_2byte(btcoexist, 0x42a); + coex_dm->backup_ampdu_max_time = + btcoexist->btc_read_1byte(btcoexist, 0x456); + } else { RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD, "[BTCoex], MEDIA disconnect notify\n"); + btcoexist->btc_write_1byte(btcoexist, 0x6cd, 0x0); /* CCK Tx */ + btcoexist->btc_write_1byte(btcoexist, 0x6cf, 0x0); /* CCK Rx */ + + coex_sta->cck_ever_lock = false; + } + /* only 2.4G we need to inform bt the chnl mask */ btcoexist->btc_get(btcoexist, BTC_GET_U1_WIFI_CENTRAL_CHNL, &wifi_central_chnl); -- 2.39.5