From patchwork Wed Oct 12 08:32:31 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: 615408 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 316E1C4332F for ; Wed, 12 Oct 2022 08:33:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229567AbiJLIdo (ORCPT ); Wed, 12 Oct 2022 04:33:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58032 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229734AbiJLIdc (ORCPT ); Wed, 12 Oct 2022 04:33:32 -0400 Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id B2F80B56FD for ; Wed, 12 Oct 2022 01:33:05 -0700 (PDT) Authenticated-By: X-SpamFilter-By: ArmorX SpamTrap 5.77 with qID 29C8WReoC026287, This message is accepted by code: ctloc85258 Received: from mail.realtek.com (rtexh36504.realtek.com.tw[172.21.6.27]) by rtits2.realtek.com.tw (8.15.2/2.81/5.90) with ESMTPS id 29C8WReoC026287 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=FAIL); Wed, 12 Oct 2022 16:32:27 +0800 Received: from RTEXMBS04.realtek.com.tw (172.21.6.97) by RTEXH36504.realtek.com.tw (172.21.6.27) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.7; Wed, 12 Oct 2022 16:32:56 +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; Wed, 12 Oct 2022 16:32:52 +0800 From: Ping-Ke Shih To: CC: Subject: [PATCH 2/5] wifi: rtw89: 8852b: rfk: add RCK Date: Wed, 12 Oct 2022 16:32:31 +0800 Message-ID: <20221012083234.20224-3-pkshih@realtek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221012083234.20224-1-pkshih@realtek.com> References: <20221012083234.20224-1-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: 10/12/2022 08:00:00 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?Q2xlYW4sIGJhc2VzOiAyMDIyLzEwLzEyIKRXpMggMDY6?= =?big5_tw?b?MDA6MDA=?= X-KSE-BulkMessagesFiltering-Scan-Result: protection disabled X-KSE-ServerInfo: RTEXH36504.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 RCK is synchronize RC calibration. Driver triggers this calibration and sets the result to register. This calibration is needed once when interface is going to up. Signed-off-by: Ping-Ke Shih --- .../net/wireless/realtek/rtw89/rtw8852b_rfk.c | 43 +++++++++++++++++++ .../net/wireless/realtek/rtw89/rtw8852b_rfk.h | 1 + 2 files changed, 44 insertions(+) diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852b_rfk.c b/drivers/net/wireless/realtek/rtw89/rtw8852b_rfk.c index 5c35f4fb38ff5..1dcb900ef7007 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8852b_rfk.c +++ b/drivers/net/wireless/realtek/rtw89/rtw8852b_rfk.c @@ -32,6 +32,41 @@ static u8 _kpath(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy_idx) return val; } +static void _rck(struct rtw89_dev *rtwdev, enum rtw89_rf_path path) +{ + u32 rf_reg5; + u32 rck_val; + u32 val; + int ret; + + rtw89_debug(rtwdev, RTW89_DBG_RFK, "[RCK] ====== S%d RCK ======\n", path); + + rf_reg5 = rtw89_read_rf(rtwdev, path, RR_RSV1, RFREG_MASK); + + rtw89_write_rf(rtwdev, path, RR_RSV1, RR_RSV1_RST, 0x0); + rtw89_write_rf(rtwdev, path, RR_MOD, RR_MOD_MASK, RR_MOD_V_RX); + + rtw89_debug(rtwdev, RTW89_DBG_RFK, "[RCK] RF0x00 = 0x%05x\n", + rtw89_read_rf(rtwdev, path, RR_MOD, RFREG_MASK)); + + /* RCK trigger */ + rtw89_write_rf(rtwdev, path, RR_RCKC, RFREG_MASK, 0x00240); + + ret = read_poll_timeout_atomic(rtw89_read_rf, val, val, 2, 30, + false, rtwdev, path, RR_RCKS, BIT(3)); + + rck_val = rtw89_read_rf(rtwdev, path, RR_RCKC, RR_RCKC_CA); + + rtw89_debug(rtwdev, RTW89_DBG_RFK, "[RCK] rck_val = 0x%x, ret = %d\n", + rck_val, ret); + + rtw89_write_rf(rtwdev, path, RR_RCKC, RFREG_MASK, rck_val); + rtw89_write_rf(rtwdev, path, RR_RSV1, RFREG_MASK, rf_reg5); + + rtw89_debug(rtwdev, RTW89_DBG_RFK, "[RCK] RF 0x1b = 0x%x\n", + rtw89_read_rf(rtwdev, path, RR_RCKC, RFREG_MASK)); +} + static void _afe_init(struct rtw89_dev *rtwdev) { rtw89_write32(rtwdev, R_AX_PHYREG_SET, 0xf); @@ -453,6 +488,14 @@ static void _dac_cal(struct rtw89_dev *rtwdev, bool force) rtw89_debug(rtwdev, RTW89_DBG_RFK, "[DACK]DACK finish!!!\n"); } +void rtw8852b_rck(struct rtw89_dev *rtwdev) +{ + u8 path; + + for (path = 0; path < RF_PATH_NUM_8852B; path++) + _rck(rtwdev, path); +} + void rtw8852b_dack(struct rtw89_dev *rtwdev) { u8 phy_map = rtw89_btc_phymap(rtwdev, RTW89_PHY_0, 0); diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852b_rfk.h b/drivers/net/wireless/realtek/rtw89/rtw8852b_rfk.h index bc2ff7380b927..84325abc7f2c2 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8852b_rfk.h +++ b/drivers/net/wireless/realtek/rtw89/rtw8852b_rfk.h @@ -7,6 +7,7 @@ #include "core.h" +void rtw8852b_rck(struct rtw89_dev *rtwdev); void rtw8852b_dack(struct rtw89_dev *rtwdev); void rtw8852b_set_channel_rf(struct rtw89_dev *rtwdev, const struct rtw89_chan *chan,