From patchwork Tue Apr 26 06:32:25 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: 566468 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 C2505C433EF for ; Tue, 26 Apr 2022 06:33:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232790AbiDZGgU (ORCPT ); Tue, 26 Apr 2022 02:36:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50388 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231839AbiDZGgS (ORCPT ); Tue, 26 Apr 2022 02:36:18 -0400 Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9AEAA15A11 for ; Mon, 25 Apr 2022 23:33:11 -0700 (PDT) Authenticated-By: X-SpamFilter-By: ArmorX SpamTrap 5.73 with qID 23Q6X4Yl8015234, This message is accepted by code: ctloc85258 Received: from mail.realtek.com ([172.21.6.25]) by rtits2.realtek.com.tw (8.15.2/2.71/5.88) with ESMTPS id 23Q6X4Yl8015234 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Tue, 26 Apr 2022 14:33:04 +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 15.1.2375.24; Tue, 26 Apr 2022 14:33:04 +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 15.1.2308.21; Tue, 26 Apr 2022 14:33:04 +0800 From: Ping-Ke Shih To: CC: Subject: [PATCH 05/15] rtw89: 8852c: rfk: add RCK Date: Tue, 26 Apr 2022 14:32:25 +0800 Message-ID: <20220426063235.41650-6-pkshih@realtek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220426063235.41650-1-pkshih@realtek.com> References: <20220426063235.41650-1-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: 04/26/2022 06:17:00 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?Q2xlYW4sIGJhc2VzOiAyMDIyLzQvMjYgpFekyCAwNDoz?= =?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 RCK is synchronize RC calibration. It needs to be triggered only once when interface is going to up. Signed-off-by: Ping-Ke Shih --- drivers/net/wireless/realtek/rtw89/rtw8852c.c | 1 + .../net/wireless/realtek/rtw89/rtw8852c_rfk.c | 43 +++++++++++++++++++ .../net/wireless/realtek/rtw89/rtw8852c_rfk.h | 1 + 3 files changed, 45 insertions(+) diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852c.c b/drivers/net/wireless/realtek/rtw89/rtw8852c.c index 80c6471269e78..7e7a7b30bc6f4 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8852c.c +++ b/drivers/net/wireless/realtek/rtw89/rtw8852c.c @@ -1777,6 +1777,7 @@ static void rtw8852c_rfk_init(struct rtw89_dev *rtwdev) memset(mcc_info, 0, sizeof(*mcc_info)); rtw8852c_lck_init(rtwdev); + rtw8852c_rck(rtwdev); rtw8852c_dack(rtwdev); } diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852c_rfk.c b/drivers/net/wireless/realtek/rtw89/rtw8852c_rfk.c index 21693dce79e82..2fb188463ac79 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8852c_rfk.c +++ b/drivers/net/wireless/realtek/rtw89/rtw8852c_rfk.c @@ -456,6 +456,41 @@ static void _dac_cal(struct rtw89_dev *rtwdev, bool force) rtw89_debug(rtwdev, RTW89_DBG_RFK, "[DACK]DACK finish!!!\n"); } +static void _rck(struct rtw89_dev *rtwdev, enum rtw89_rf_path path) +{ + u32 rf_reg5, rck_val = 0; + 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%x\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, 20, + false, rtwdev, path, 0x1c, BIT(3)); + if (ret) + rtw89_debug(rtwdev, RTW89_DBG_RFK, "[RCK] RCK timeout\n"); + + rck_val = rtw89_read_rf(rtwdev, path, RR_RCKC, RR_RCKC_CA); + 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 / 0x1c = 0x%x / 0x%x\n", + rtw89_read_rf(rtwdev, path, RR_RCKC, RFREG_MASK), + rtw89_read_rf(rtwdev, path, RR_RCKS, RFREG_MASK)); +} + static void _tssi_set_sys(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy, enum rtw89_rf_path path) { @@ -1615,6 +1650,14 @@ void rtw8852c_set_channel_rf(struct rtw89_dev *rtwdev, param->bandwidth); } +void rtw8852c_rck(struct rtw89_dev *rtwdev) +{ + u8 path; + + for (path = 0; path < 2; path++) + _rck(rtwdev, path); +} + void rtw8852c_dack(struct rtw89_dev *rtwdev) { u8 phy_map = rtw89_btc_phymap(rtwdev, RTW89_PHY_0, 0); diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852c_rfk.h b/drivers/net/wireless/realtek/rtw89/rtw8852c_rfk.h index a16ad9305ba42..faacdf17a9286 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8852c_rfk.h +++ b/drivers/net/wireless/realtek/rtw89/rtw8852c_rfk.h @@ -7,6 +7,7 @@ #include "core.h" +void rtw8852c_rck(struct rtw89_dev *rtwdev); void rtw8852c_dack(struct rtw89_dev *rtwdev); void rtw8852c_tssi(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy); void rtw8852c_tssi_scan(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy);