From 70a13e5f00e9ee5497b0c25c2787347c4431b5e4 Mon Sep 17 00:00:00 2001 From: Ching-Te Ku Date: Tue, 14 Mar 2023 10:06:13 +0800 Subject: [PATCH] wifi: rtw89: coex: Add LPS protocol radio state for RTL8852B This LPS state will not turn off RF, and it can still do some basic traffic, only RTL8852B has the state. Coexistence need let Bluetooth know WiFi is still alive to prevent some Bluetooth performance issue. Signed-off-by: Ching-Te Ku Signed-off-by: Ping-Ke Shih Signed-off-by: Kalle Valo Link: https://lore.kernel.org/r/20230314020617.28193-2-pkshih@realtek.com --- drivers/net/wireless/realtek/rtw89/coex.c | 10 +++++++++- drivers/net/wireless/realtek/rtw89/coex.h | 1 + 2 files changed, 10 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/realtek/rtw89/coex.c b/drivers/net/wireless/realtek/rtw89/coex.c index 3dbd4ee..bd06388 100644 --- a/drivers/net/wireless/realtek/rtw89/coex.c +++ b/drivers/net/wireless/realtek/rtw89/coex.c @@ -5728,6 +5728,11 @@ void rtw89_btc_ntfy_radio_state(struct rtw89_dev *rtwdev, enum btc_rfctrl rf_sta wl->status.map.lps = BTC_LPS_RF_OFF; wl->status.map.busy = 0; break; + case BTC_RFCTRL_LPS_WL_ON: /* LPS-Protocol (RFon) */ + wl->status.map.rf_off = 0; + wl->status.map.lps = BTC_LPS_RF_ON; + wl->status.map.busy = 0; + break; case BTC_RFCTRL_WL_ON: default: wl->status.map.rf_off = 0; @@ -5745,6 +5750,9 @@ void rtw89_btc_ntfy_radio_state(struct rtw89_dev *rtwdev, enum btc_rfctrl rf_sta rtw89_btc_fw_en_rpt(rtwdev, RPT_EN_ALL, false); if (rf_state == BTC_RFCTRL_WL_OFF) _write_scbd(rtwdev, BTC_WSCB_ALL, false); + else if (rf_state == BTC_RFCTRL_LPS_WL_ON && + wl->status.map.lps_pre != BTC_LPS_OFF) + _update_bt_scbd(rtwdev, true); } btc->dm.cnt_dm[BTC_DCNT_BTCNT_HANG] = 0; @@ -5755,7 +5763,7 @@ void rtw89_btc_ntfy_radio_state(struct rtw89_dev *rtwdev, enum btc_rfctrl rf_sta btc->dm.tdma_instant_excute = 0; _run_coex(rtwdev, BTC_RSN_NTFY_RADIO_STATE); - + btc->dm.tdma_instant_excute = 0; wl->status.map.rf_off_pre = wl->status.map.rf_off; wl->status.map.lps_pre = wl->status.map.lps; } diff --git a/drivers/net/wireless/realtek/rtw89/coex.h b/drivers/net/wireless/realtek/rtw89/coex.h index 38cc53a..f16421c 100644 --- a/drivers/net/wireless/realtek/rtw89/coex.h +++ b/drivers/net/wireless/realtek/rtw89/coex.h @@ -131,6 +131,7 @@ enum btc_role_state { enum btc_rfctrl { BTC_RFCTRL_WL_OFF, BTC_RFCTRL_WL_ON, + BTC_RFCTRL_LPS_WL_ON, BTC_RFCTRL_FW_CTRL, BTC_RFCTRL_MAX }; -- 2.7.4