From patchwork Tue Sep 20 01:09:36 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ping-Ke Shih X-Patchwork-Id: 607949 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 C3A64C54EE9 for ; Tue, 20 Sep 2022 01:11:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229976AbiITBL0 (ORCPT ); Mon, 19 Sep 2022 21:11:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45750 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229908AbiITBKy (ORCPT ); Mon, 19 Sep 2022 21:10:54 -0400 Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 0403D52E44 for ; Mon, 19 Sep 2022 18:10:31 -0700 (PDT) Authenticated-By: X-SpamFilter-By: ArmorX SpamTrap 5.77 with qID 28K1A1UK0031075, This message is accepted by code: ctloc85258 Received: from mail.realtek.com (rtexh36505.realtek.com.tw[172.21.6.25]) by rtits2.realtek.com.tw (8.15.2/2.81/5.90) with ESMTPS id 28K1A1UK0031075 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=FAIL); Tue, 20 Sep 2022 09:10:01 +0800 Received: from RTEXMBS04.realtek.com.tw (172.21.6.97) by RTEXH36505.realtek.com.tw (172.21.6.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Tue, 20 Sep 2022 09:10:23 +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, 20 Sep 2022 09:10:23 +0800 From: Ping-Ke Shih To: CC: , Subject: [PATCH 6/9] wifi: rtw89: coex: modify LNA2 setting to avoid BT destroyed Wi-Fi aggregation Date: Tue, 20 Sep 2022 09:09:36 +0800 Message-ID: <20220920010939.12173-7-pkshih@realtek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220920010939.12173-1-pkshih@realtek.com> References: <20220920010939.12173-1-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: trusted connection X-KSE-Antiphishing-Info: Clean X-KSE-Antiphishing-ScanningType: Deterministic X-KSE-Antiphishing-Method: None X-KSE-Antiphishing-Bases: 09/20/2022 00:43:00 X-KSE-AttachmentFiltering-Interceptor-Info: no applicable attachment filtering rules found X-KSE-Antivirus-Interceptor-Info: scan successful X-KSE-Antivirus-Info: =?big5_tw?b?Q2xlYW4sIGJhc2VzOiAyMDIyLzkvMTkgpFWkyCAwNzow?= =?big5_tw?b?ODowMA==?= X-KSE-BulkMessagesFiltering-Scan-Result: protection disabled X-KSE-ServerInfo: RTEXH36505.realtek.com.tw, 9 X-KSE-Attachment-Filter-Triggered-Rules: Clean X-KSE-Attachment-Filter-Triggered-Filters: Clean X-KSE-BulkMessagesFiltering-Scan-Result: protection disabled Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Ching-Te Ku To prevent LNA2 change its gain during a Wi-Fi aggregation packet while GNT_BT pull high. Otherwise, changes of this gain will destroy the whole aggregation when Wi-Fi RX. Signed-off-by: Ching-Te Ku Signed-off-by: Ping-Ke Shih --- drivers/net/wireless/realtek/rtw89/coex.c | 3 ++ drivers/net/wireless/realtek/rtw89/core.h | 1 + drivers/net/wireless/realtek/rtw89/rtw8852a.c | 46 ++++++++++++++++ drivers/net/wireless/realtek/rtw89/rtw8852c.c | 54 +++++++++++++++++++ 4 files changed, 104 insertions(+) diff --git a/drivers/net/wireless/realtek/rtw89/coex.c b/drivers/net/wireless/realtek/rtw89/coex.c index 42fc90a359b06..85c8e7ffb56c7 100644 --- a/drivers/net/wireless/realtek/rtw89/coex.c +++ b/drivers/net/wireless/realtek/rtw89/coex.c @@ -1735,6 +1735,7 @@ static void _set_wl_tx_power(struct rtw89_dev *rtwdev, u32 level) static void _set_wl_rx_gain(struct rtw89_dev *rtwdev, u32 level) { + const struct rtw89_chip_info *chip = rtwdev->chip; struct rtw89_btc *btc = &rtwdev->btc; struct rtw89_btc_wl_info *wl = &btc->cx.wl; @@ -1747,6 +1748,8 @@ static void _set_wl_rx_gain(struct rtw89_dev *rtwdev, u32 level) rtw89_debug(rtwdev, RTW89_DBG_BTC, "[BTC], %s(): level = %d\n", __func__, level); + + chip->ops->btc_set_wl_rx_gain(rtwdev, level); } static void _set_bt_tx_power(struct rtw89_dev *rtwdev, u8 level) diff --git a/drivers/net/wireless/realtek/rtw89/core.h b/drivers/net/wireless/realtek/rtw89/core.h index 1d8e20708d092..c4eefa54ed864 100644 --- a/drivers/net/wireless/realtek/rtw89/core.h +++ b/drivers/net/wireless/realtek/rtw89/core.h @@ -2356,6 +2356,7 @@ struct rtw89_chip_ops { void (*btc_update_bt_cnt)(struct rtw89_dev *rtwdev); void (*btc_wl_s1_standby)(struct rtw89_dev *rtwdev, bool state); void (*btc_set_policy)(struct rtw89_dev *rtwdev, u16 policy_type); + void (*btc_set_wl_rx_gain)(struct rtw89_dev *rtwdev, u32 level); }; enum rtw89_dma_ch { diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852a.c b/drivers/net/wireless/realtek/rtw89/rtw8852a.c index c6c92a2a16134..f81335aacddfa 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8852a.c +++ b/drivers/net/wireless/realtek/rtw89/rtw8852a.c @@ -2059,6 +2059,51 @@ void rtw8852a_btc_wl_s1_standby(struct rtw89_dev *rtwdev, bool state) rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWE, RFREG_MASK, 0x0); } +static void rtw8852a_set_wl_lna2(struct rtw89_dev *rtwdev, u8 level) +{ + /* level=0 Default: TIA 1/0= (LNA2,TIAN6) = (7,1)/(5,1) = 21dB/12dB + * level=1 Fix LNA2=5: TIA 1/0= (LNA2,TIAN6) = (5,0)/(5,1) = 18dB/12dB + * To improve BT ACI in co-rx + */ + + switch (level) { + case 0: /* default */ + rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWE, RFREG_MASK, 0x1000); + rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWA, RFREG_MASK, 0x3); + rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWD0, RFREG_MASK, 0x17); + rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWA, RFREG_MASK, 0x2); + rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWD0, RFREG_MASK, 0x15); + rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWE, RFREG_MASK, 0x0); + break; + case 1: /* Fix LNA2=5 */ + rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWE, RFREG_MASK, 0x1000); + rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWA, RFREG_MASK, 0x3); + rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWD0, RFREG_MASK, 0x5); + rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWA, RFREG_MASK, 0x2); + rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWD0, RFREG_MASK, 0x15); + rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWE, RFREG_MASK, 0x0); + break; + } +} + +static void rtw8852a_btc_set_wl_rx_gain(struct rtw89_dev *rtwdev, u32 level) +{ + switch (level) { + case 0: /* original */ + rtw8852a_bb_ctrl_btc_preagc(rtwdev, false); + rtw8852a_set_wl_lna2(rtwdev, 0); + break; + case 1: /* for FDD free-run */ + rtw8852a_bb_ctrl_btc_preagc(rtwdev, true); + rtw8852a_set_wl_lna2(rtwdev, 0); + break; + case 2: /* for BTG Co-Rx*/ + rtw8852a_bb_ctrl_btc_preagc(rtwdev, false); + rtw8852a_set_wl_lna2(rtwdev, 1); + break; + } +} + static void rtw8852a_fill_freq_with_ppdu(struct rtw89_dev *rtwdev, struct rtw89_rx_phy_ppdu *phy_ppdu, struct ieee80211_rx_status *status) @@ -2135,6 +2180,7 @@ static const struct rtw89_chip_ops rtw8852a_chip_ops = { .btc_bt_aci_imp = rtw8852a_btc_bt_aci_imp, .btc_update_bt_cnt = rtw8852a_btc_update_bt_cnt, .btc_wl_s1_standby = rtw8852a_btc_wl_s1_standby, + .btc_set_wl_rx_gain = rtw8852a_btc_set_wl_rx_gain, .btc_set_policy = rtw89_btc_set_policy, }; diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852c.c b/drivers/net/wireless/realtek/rtw89/rtw8852c.c index 817bb57698ba8..5b8292d151f6f 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8852c.c +++ b/drivers/net/wireless/realtek/rtw89/rtw8852c.c @@ -2854,6 +2854,59 @@ void rtw8852c_btc_wl_s1_standby(struct rtw89_dev *rtwdev, bool state) rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWE, RFREG_MASK, 0x0); } +static void rtw8852c_set_wl_lna2(struct rtw89_dev *rtwdev, u8 level) +{ + /* level=0 Default: TIA 1/0= (LNA2,TIAN6) = (7,1)/(5,1) = 21dB/12dB + * level=1 Fix LNA2=5: TIA 1/0= (LNA2,TIAN6) = (5,0)/(5,1) = 18dB/12dB + * To improve BT ACI in co-rx + */ + + switch (level) { + case 0: /* default */ + rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWE, RFREG_MASK, 0x1000); + rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWA, RFREG_MASK, 0x0); + rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWD0, RFREG_MASK, 0x15); + rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWA, RFREG_MASK, 0x1); + rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWD0, RFREG_MASK, 0x17); + rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWA, RFREG_MASK, 0x2); + rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWD0, RFREG_MASK, 0x15); + rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWA, RFREG_MASK, 0x3); + rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWD0, RFREG_MASK, 0x17); + rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWE, RFREG_MASK, 0x0); + break; + case 1: /* Fix LNA2=5 */ + rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWE, RFREG_MASK, 0x1000); + rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWA, RFREG_MASK, 0x0); + rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWD0, RFREG_MASK, 0x15); + rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWA, RFREG_MASK, 0x1); + rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWD0, RFREG_MASK, 0x5); + rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWA, RFREG_MASK, 0x2); + rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWD0, RFREG_MASK, 0x15); + rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWA, RFREG_MASK, 0x3); + rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWD0, RFREG_MASK, 0x5); + rtw89_write_rf(rtwdev, RF_PATH_B, RR_LUTWE, RFREG_MASK, 0x0); + break; + } +} + +static void rtw8852c_btc_set_wl_rx_gain(struct rtw89_dev *rtwdev, u32 level) +{ + switch (level) { + case 0: /* original */ + rtw8852c_bb_ctrl_btc_preagc(rtwdev, false); + rtw8852c_set_wl_lna2(rtwdev, 0); + break; + case 1: /* for FDD free-run */ + rtw8852c_bb_ctrl_btc_preagc(rtwdev, true); + rtw8852c_set_wl_lna2(rtwdev, 0); + break; + case 2: /* for BTG Co-Rx*/ + rtw8852c_bb_ctrl_btc_preagc(rtwdev, false); + rtw8852c_set_wl_lna2(rtwdev, 1); + break; + } +} + static void rtw8852c_fill_freq_with_ppdu(struct rtw89_dev *rtwdev, struct rtw89_rx_phy_ppdu *phy_ppdu, struct ieee80211_rx_status *status) @@ -2974,6 +3027,7 @@ static const struct rtw89_chip_ops rtw8852c_chip_ops = { .btc_bt_aci_imp = rtw8852c_btc_bt_aci_imp, .btc_update_bt_cnt = rtw8852c_btc_update_bt_cnt, .btc_wl_s1_standby = rtw8852c_btc_wl_s1_standby, + .btc_set_wl_rx_gain = rtw8852c_btc_set_wl_rx_gain, .btc_set_policy = rtw89_btc_set_policy_v1, };