From patchwork Thu Apr 21 12:09:01 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: 567111 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 EB78BC433F5 for ; Thu, 21 Apr 2022 12:10:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1384219AbiDUMNV (ORCPT ); Thu, 21 Apr 2022 08:13:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54862 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1383701AbiDUMMm (ORCPT ); Thu, 21 Apr 2022 08:12:42 -0400 Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 18777322 for ; Thu, 21 Apr 2022 05:09:52 -0700 (PDT) Authenticated-By: X-SpamFilter-By: ArmorX SpamTrap 5.73 with qID 23LC9lWnA029038, 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 (8.15.2/2.71/5.88) with ESMTPS id 23LC9lWnA029038 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Thu, 21 Apr 2022 20:09:47 +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 15.1.2308.27; Thu, 21 Apr 2022 20:09:47 +0800 Received: from localhost (172.16.16.159) 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; Thu, 21 Apr 2022 20:09:46 +0800 From: Ping-Ke Shih To: CC: Subject: [PATCH 12/14] rtw89: 8852c: implement chip_ops::get_thermal Date: Thu, 21 Apr 2022 20:09:01 +0800 Message-ID: <20220421120903.73715-13-pkshih@realtek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220421120903.73715-1-pkshih@realtek.com> References: <20220421120903.73715-1-pkshih@realtek.com> MIME-Version: 1.0 X-Originating-IP: [172.16.16.159] 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: 04/21/2022 11:49:00 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?Q2xlYW4sIGJhc2VzOiAyMDIyLzQvMjEgpFekyCAxMDow?= =?big5_tw?b?NzowMA==?= 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 Read thermal value, and then we can use EWMA thermal value to do RF calibrations if the value is changed over a threshold. Signed-off-by: Ping-Ke Shih --- drivers/net/wireless/realtek/rtw89/rtw8852c.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852c.c b/drivers/net/wireless/realtek/rtw89/rtw8852c.c index adcc2b597419d..daf467eaef665 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8852c.c +++ b/drivers/net/wireless/realtek/rtw89/rtw8852c.c @@ -2327,6 +2327,17 @@ static void rtw8852c_bb_cfg_txrx_path(struct rtw89_dev *rtwdev) rtw8852c_ctrl_tx_path_tmac(rtwdev, RF_PATH_AB, RTW89_MAC_0); } +static u8 rtw8852c_get_thermal(struct rtw89_dev *rtwdev, enum rtw89_rf_path rf_path) +{ + rtw89_write_rf(rtwdev, rf_path, RR_TM, RR_TM_TRI, 0x1); + rtw89_write_rf(rtwdev, rf_path, RR_TM, RR_TM_TRI, 0x0); + rtw89_write_rf(rtwdev, rf_path, RR_TM, RR_TM_TRI, 0x1); + + fsleep(200); + + return rtw89_read_rf(rtwdev, rf_path, RR_TM, RR_TM_VAL); +} + static void rtw8852c_ctrl_btg(struct rtw89_dev *rtwdev, bool btg) { if (btg) { @@ -2487,6 +2498,7 @@ static const struct rtw89_chip_ops rtw8852c_chip_ops = { .set_txpwr = rtw8852c_set_txpwr, .set_txpwr_ctrl = rtw8852c_set_txpwr_ctrl, .init_txpwr_unit = rtw8852c_init_txpwr_unit, + .get_thermal = rtw8852c_get_thermal, .read_rf = rtw89_phy_read_rf_v1, .write_rf = rtw89_phy_write_rf_v1, .set_txpwr_ul_tb_offset = rtw8852c_set_txpwr_ul_tb_offset,