From patchwork Tue Mar 14 02:06:13 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ping-Ke Shih X-Patchwork-Id: 664541 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id AD980C6FD19 for ; Tue, 14 Mar 2023 02:07:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230200AbjCNCHc (ORCPT ); Mon, 13 Mar 2023 22:07:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48762 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230115AbjCNCHb (ORCPT ); Mon, 13 Mar 2023 22:07:31 -0400 Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F236C67725 for ; Mon, 13 Mar 2023 19:07:30 -0700 (PDT) Authenticated-By: X-SpamFilter-By: ArmorX SpamTrap 5.77 with qID 32E27BZB0011745, This message is accepted by code: ctloc85258 Received: from mail.realtek.com (rtexh36506.realtek.com.tw[172.21.6.27]) by rtits2.realtek.com.tw (8.15.2/2.81/5.90) with ESMTPS id 32E27BZB0011745 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=OK); Tue, 14 Mar 2023 10:07:11 +0800 Received: from RTEXMBS04.realtek.com.tw (172.21.6.97) by RTEXH36506.realtek.com.tw (172.21.6.27) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.17; Tue, 14 Mar 2023 10:07:23 +0800 Received: from localhost (172.21.69.188) by RTEXMBS04.realtek.com.tw (172.21.6.97) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.7; Tue, 14 Mar 2023 10:07:22 +0800 From: Ping-Ke Shih To: CC: , Subject: [PATCH 1/5] wifi: rtw89: coex: Add LPS protocol radio state for RTL8852B Date: Tue, 14 Mar 2023 10:06:13 +0800 Message-ID: <20230314020617.28193-2-pkshih@realtek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230314020617.28193-1-pkshih@realtek.com> References: <20230314020617.28193-1-pkshih@realtek.com> MIME-Version: 1.0 X-Originating-IP: [172.21.69.188] X-ClientProxiedBy: RTEXMBS02.realtek.com.tw (172.21.6.95) To RTEXMBS04.realtek.com.tw (172.21.6.97) X-KSE-ServerInfo: RTEXMBS04.realtek.com.tw, 9 X-KSE-AntiSpam-Interceptor-Info: fallback X-KSE-Antivirus-Interceptor-Info: fallback X-KSE-AntiSpam-Interceptor-Info: fallback Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Ching-Te Ku 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 --- 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 3dbd4ee14c70d..bd06388ea211e 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 38cc53a505c36..f16421cb30efb 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 };