From patchwork Sun Oct 9 12:53:58 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: 613726 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 14936C4332F for ; Sun, 9 Oct 2022 12:54:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230135AbiJIMyw (ORCPT ); Sun, 9 Oct 2022 08:54:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47778 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230141AbiJIMyp (ORCPT ); Sun, 9 Oct 2022 08:54:45 -0400 Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 4359BC4F for ; Sun, 9 Oct 2022 05:54:39 -0700 (PDT) Authenticated-By: X-SpamFilter-By: ArmorX SpamTrap 5.77 with qID 299CrvysF029520, 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 299CrvysF029520 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=FAIL); Sun, 9 Oct 2022 20:53:57 +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; Sun, 9 Oct 2022 20:54:26 +0800 Received: from localhost (172.16.16.215) 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; Sun, 9 Oct 2022 20:54:26 +0800 From: Ping-Ke Shih To: CC: Subject: [PATCH 4/9] wifi: rtw89: 8852b: add chip_ops to get thermal Date: Sun, 9 Oct 2022 20:53:58 +0800 Message-ID: <20221009125403.19662-5-pkshih@realtek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221009125403.19662-1-pkshih@realtek.com> References: <20221009125403.19662-1-pkshih@realtek.com> MIME-Version: 1.0 X-Originating-IP: [172.16.16.215] 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: 10/09/2022 12:37:00 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?Q2xlYW4sIGJhc2VzOiAyMDIyLzEwLzkgpFekyCAwOTow?= =?big5_tw?b?NzowMA==?= X-KSE-BulkMessagesFiltering-Scan-Result: protection disabled X-KSE-ServerInfo: RTEXH36504.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 Thermal value reflects temperature that will affect RF performance, so we re-calibrate RF characteristics if delta of thermal over a threshold. Signed-off-by: Ping-Ke Shih --- drivers/net/wireless/realtek/rtw89/rtw8852b.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852b.c b/drivers/net/wireless/realtek/rtw89/rtw8852b.c index f13c657f4d68d..09374b92f6617 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8852b.c +++ b/drivers/net/wireless/realtek/rtw89/rtw8852b.c @@ -1397,6 +1397,23 @@ rtw8852b_init_txpwr_unit(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy_idx) return 0; } +static u8 rtw8852b_get_thermal(struct rtw89_dev *rtwdev, enum rtw89_rf_path rf_path) +{ + if (rtwdev->is_tssi_mode[rf_path]) { + u32 addr = 0x1c10 + (rf_path << 13); + + return rtw89_phy_read32_mask(rtwdev, addr, 0x3F000000); + } + + 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 int rtw8852b_mac_enable_bb_rf(struct rtw89_dev *rtwdev) { int ret; @@ -1463,6 +1480,7 @@ static const struct rtw89_chip_ops rtw8852b_chip_ops = { .set_txpwr = rtw8852b_set_txpwr, .set_txpwr_ctrl = rtw8852b_set_txpwr_ctrl, .init_txpwr_unit = rtw8852b_init_txpwr_unit, + .get_thermal = rtw8852b_get_thermal, .pwr_on_func = rtw8852b_pwr_on_func, .pwr_off_func = rtw8852b_pwr_off_func, };