From patchwork Mon Apr 24 06:52:39 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ping-Ke Shih X-Patchwork-Id: 676794 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 D159AC7618E for ; Mon, 24 Apr 2023 06:53:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231177AbjDXGxT (ORCPT ); Mon, 24 Apr 2023 02:53:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56810 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230479AbjDXGxR (ORCPT ); Mon, 24 Apr 2023 02:53:17 -0400 Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D943112D for ; Sun, 23 Apr 2023 23:53:15 -0700 (PDT) Authenticated-By: X-SpamFilter-By: ArmorX SpamTrap 5.77 with qID 33O6r8tZ5029972, This message is accepted by code: ctloc85258 Received: from mail.realtek.com (rtexh36506.realtek.com.tw[172.21.6.27]) by rtits2.realtek.com.tw (8.15.2/2.81/5.90) with ESMTPS id 33O6r8tZ5029972 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=OK); Mon, 24 Apr 2023 14:53:08 +0800 Received: from RTEXMBS04.realtek.com.tw (172.21.6.97) by RTEXH36506.realtek.com.tw (172.21.6.27) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.17; Mon, 24 Apr 2023 14:53:09 +0800 Received: from [127.0.1.1] (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; Mon, 24 Apr 2023 14:53:09 +0800 From: Ping-Ke Shih To: CC: Subject: [PATCH 2/5] wifi: rtw89: 8851b: rfk: add AACK Date: Mon, 24 Apr 2023 14:52:39 +0800 Message-ID: <20230424065242.17477-3-pkshih@realtek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230424065242.17477-1-pkshih@realtek.com> References: <20230424065242.17477-1-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: 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 Automatic amplitude control calibration (AACK) is the calibration to ensure the oscillator is biased for a constant output amplitude. We do this calibration if card does power on. Signed-off-by: Ping-Ke Shih --- drivers/net/wireless/realtek/rtw89/reg.h | 6 +++ .../net/wireless/realtek/rtw89/rtw8851b_rfk.c | 42 +++++++++++++++++++ .../net/wireless/realtek/rtw89/rtw8851b_rfk.h | 1 + 3 files changed, 49 insertions(+) diff --git a/drivers/net/wireless/realtek/rtw89/reg.h b/drivers/net/wireless/realtek/rtw89/reg.h index 266e4231b5f34..c840a96b79f23 100644 --- a/drivers/net/wireless/realtek/rtw89/reg.h +++ b/drivers/net/wireless/realtek/rtw89/reg.h @@ -3776,15 +3776,21 @@ #define RR_LOGEN 0xa3 #define RR_LOGEN_RPT GENMASK(19, 16) #define RR_SX 0xaf +#define RR_IBD 0xc9 +#define RR_IBD_VAL GENMASK(4, 0) #define RR_LDO 0xb1 #define RR_LDO_SEL GENMASK(8, 6) #define RR_VCO 0xb2 +#define RR_VCO_SEL GENMASK(9, 8) +#define RR_VCI 0xb3 +#define RR_VCI_ON BIT(7) #define RR_LPF 0xb7 #define RR_LPF_BUSY BIT(8) #define RR_XTALX2 0xb8 #define RR_MALSEL 0xbe #define RR_SYNFB 0xc5 #define RR_SYNFB_LK BIT(15) +#define RR_AACK 0xca #define RR_LCKST 0xcf #define RR_LCKST_BIN BIT(0) #define RR_LCK_TRG 0xd3 diff --git a/drivers/net/wireless/realtek/rtw89/rtw8851b_rfk.c b/drivers/net/wireless/realtek/rtw89/rtw8851b_rfk.c index 9276e852bb051..471ed1a634765 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8851b_rfk.c +++ b/drivers/net/wireless/realtek/rtw89/rtw8851b_rfk.c @@ -17,6 +17,48 @@ static u8 _kpath(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy_idx) return RF_A; } +void rtw8851b_aack(struct rtw89_dev *rtwdev) +{ + u32 tmp05, ib[4]; + u32 tmp; + int ret; + int rek; + int i; + + rtw89_debug(rtwdev, RTW89_DBG_RFK, "[LCK]DO AACK\n"); + + tmp05 = rtw89_read_rf(rtwdev, RF_PATH_A, RR_RSV1, RFREG_MASK); + rtw89_write_rf(rtwdev, RF_PATH_A, RR_MOD, RR_MOD_MASK, 0x3); + rtw89_write_rf(rtwdev, RF_PATH_A, RR_RSV1, RFREG_MASK, 0x0); + + for (rek = 0; rek < 4; rek++) { + rtw89_write_rf(rtwdev, RF_PATH_A, RR_AACK, RFREG_MASK, 0x8201e); + rtw89_write_rf(rtwdev, RF_PATH_A, RR_AACK, RFREG_MASK, 0x8201f); + fsleep(100); + + ret = read_poll_timeout_atomic(rtw89_read_rf, tmp, tmp, + 1, 1000, false, + rtwdev, RF_PATH_A, 0xd0, BIT(16)); + if (ret) + rtw89_warn(rtwdev, "[LCK]AACK timeout\n"); + + rtw89_write_rf(rtwdev, RF_PATH_A, RR_VCI, RR_VCI_ON, 0x1); + for (i = 0; i < 4; i++) { + rtw89_write_rf(rtwdev, RF_PATH_A, RR_VCO, RR_VCO_SEL, i); + ib[i] = rtw89_read_rf(rtwdev, RF_PATH_A, RR_IBD, RR_IBD_VAL); + } + rtw89_write_rf(rtwdev, RF_PATH_A, RR_VCI, RR_VCI_ON, 0x0); + + if (ib[0] != 0 && ib[1] != 0 && ib[2] != 0 && ib[3] != 0) + break; + } + + if (rek != 0) + rtw89_debug(rtwdev, RTW89_DBG_RFK, "[LCK]AACK rek = %d\n", rek); + + rtw89_write_rf(rtwdev, RF_PATH_A, RR_RSV1, RFREG_MASK, tmp05); +} + static void _bw_setting(struct rtw89_dev *rtwdev, enum rtw89_rf_path path, enum rtw89_bandwidth bw, bool dav) { diff --git a/drivers/net/wireless/realtek/rtw89/rtw8851b_rfk.h b/drivers/net/wireless/realtek/rtw89/rtw8851b_rfk.h index c81eb98dcf928..cd38d9ed1ff39 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8851b_rfk.h +++ b/drivers/net/wireless/realtek/rtw89/rtw8851b_rfk.h @@ -7,6 +7,7 @@ #include "core.h" +void rtw8851b_aack(struct rtw89_dev *rtwdev); void rtw8851b_set_channel_rf(struct rtw89_dev *rtwdev, const struct rtw89_chan *chan, enum rtw89_phy_idx phy_idx);