From patchwork Wed Mar 26 02:06:43 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ping-Ke Shih X-Patchwork-Id: 876515 Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EA51E3AC17 for ; Wed, 26 Mar 2025 02:07:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=211.75.126.72 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742954857; cv=none; b=NZsw9oq3epHlxVjKRUH102+t0L9VP5Jo/gyZnHfSFkZQEz84+3hBbmsnhkwoQpGwWdLTgAhT0Sd09Zv74/SJwC80DSw/wWm2ACwTh8GLHVbFcLDOPbfUU9HOFjtKQinFi8pBV4ado1/LIdf07+wpv6E/EM/A8N+DEbiivOw/aa8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742954857; c=relaxed/simple; bh=F7Zo3evsE/9ITOZ6TFNIK5SkC3eHzJKF3YxDFOQWAco=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=DINKs/10iCyvvZ8LJO3uWN1IMqA/R54I0RQwOsUlxm0ypmj0Ce/zqCSS5GPxE3VHvlY5DPgikQexUVTOekERSP9BCAZxWtlqoga3tIDelHlBzBpi65ZyzM/hphYw15LQrWJpj1ETUikwNnTUpCcaScmgFWXkjf0AIJ5ef1/T0j4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=realtek.com; spf=pass smtp.mailfrom=realtek.com; dkim=temperror (0-bit key) header.d=realtek.com header.i=@realtek.com header.b=mRr0Q3dY; arc=none smtp.client-ip=211.75.126.72 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=realtek.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=realtek.com Authentication-Results: smtp.subspace.kernel.org; dkim=temperror (0-bit key) header.d=realtek.com header.i=@realtek.com header.b="mRr0Q3dY" X-SpamFilter-By: ArmorX SpamTrap 5.78 with qID 52Q27YuE41408223, This message is accepted by code: ctloc85258 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=realtek.com; s=dkim; t=1742954854; bh=F7Zo3evsE/9ITOZ6TFNIK5SkC3eHzJKF3YxDFOQWAco=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Transfer-Encoding:Content-Type; b=mRr0Q3dYmvc6VrFLRmwOKAL+TXDhh5QVI+11xK6FOgVUAR9G/PXXlGXNA9lixivDS XIYI/YxyYZzDBJeJSRp9K4OiFxYqA6BDLtphKVkQXkaTmKW1J5BEwryWJZM9FTSXXc 2ubHkAya3OS5sjfOj5gdQeQaWgGD2BXzu887/XPci1HoJ7fMNh8t4qIh6cH6ZH8aih O4JudVO7F402C0HTDWCauGnvr6HQF3nCwlzKGr2VrzTdJHZ3ru3zI5H45RNrFCI6EX /Tl/PtpkeOIz+lnoV+gD+bQHeHqJdba0NRjY78ufHDICnnliJnPY9FMpeM5bS2vCD/ TfB/W8X06tGQg== Received: from mail.realtek.com (rtexh36506.realtek.com.tw[172.21.6.27]) by rtits2.realtek.com.tw (8.15.2/3.06/5.92) with ESMTPS id 52Q27YuE41408223 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Wed, 26 Mar 2025 10:07:34 +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_256_GCM_SHA384) id 15.1.2507.39; Wed, 26 Mar 2025 10:07:34 +0800 Received: from [127.0.1.1] (172.21.69.94) by RTEXMBS04.realtek.com.tw (172.21.6.97) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.35; Wed, 26 Mar 2025 10:07:33 +0800 From: Ping-Ke Shih To: CC: Subject: [PATCH rtw-next v2 12/12] wifi: rtw89: 8852bx: support different SAR configs by antenna Date: Wed, 26 Mar 2025 10:06:43 +0800 Message-ID: <20250326020643.14487-13-pkshih@realtek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20250326020643.14487-1-pkshih@realtek.com> References: <20250326020643.14487-1-pkshih@realtek.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: RTEXMBS02.realtek.com.tw (172.21.6.95) To RTEXMBS04.realtek.com.tw (172.21.6.97) From: Zong-Zhe Yang Calculate difference of SAR configs between RF path A and RF path B. And then, based on the calculated result, set the TX power reference CR (control register). Finally, declare to support SAR by antenna in 8852b/8852bt chip info. Signed-off-by: Zong-Zhe Yang Signed-off-by: Ping-Ke Shih --- v2: no change --- drivers/net/wireless/realtek/rtw89/rtw8852b.c | 2 +- .../wireless/realtek/rtw89/rtw8852b_common.c | 24 +++++++++++++++++++ .../net/wireless/realtek/rtw89/rtw8852bt.c | 2 +- 3 files changed, 26 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852b.c b/drivers/net/wireless/realtek/rtw89/rtw8852b.c index 47233f0c6ea0..dec736a07c54 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8852b.c +++ b/drivers/net/wireless/realtek/rtw89/rtw8852b.c @@ -853,7 +853,7 @@ const struct rtw89_chip_info rtw8852b_chip_info = { .support_unii4 = true, .support_ant_gain = true, .support_tas = false, - .support_sar_by_ant = false, + .support_sar_by_ant = true, .ul_tb_waveform_ctrl = true, .ul_tb_pwr_diff = false, .rx_freq_frome_ie = true, diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852b_common.c b/drivers/net/wireless/realtek/rtw89/rtw8852b_common.c index 99c9505b3cbd..0cf03f18cbb1 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8852b_common.c +++ b/drivers/net/wireless/realtek/rtw89/rtw8852b_common.c @@ -8,6 +8,7 @@ #include "phy.h" #include "reg.h" #include "rtw8852b_common.h" +#include "sar.h" #include "util.h" static const struct rtw89_reg3_def rtw8852bx_pmac_ht20_mcs7_tbl[] = { @@ -1234,6 +1235,7 @@ static u32 rtw8852bx_bb_cal_txpwr_ref(struct rtw89_dev *rtwdev, u32_encode_bits(ref, B_DPD_REF); } +/* @pwr_ofst (unit: 1/8 dBm): power of path A minus power of path B */ static void rtw8852bx_set_txpwr_ref(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy_idx, s16 pwr_ofst) { @@ -1336,6 +1338,27 @@ static void rtw8852bx_set_tx_shape(struct rtw89_dev *rtwdev, tx_shape_ofdm); } +static s16 rtw8852bx_get_txpwr_sar_diff(struct rtw89_dev *rtwdev, + const struct rtw89_chan *chan) +{ + struct rtw89_sar_parm sar_parm = { + .center_freq = chan->freq, + .force_path = true, + }; + s16 sar_bb_a, sar_bb_b; + s8 sar_mac; + + sar_parm.path = RF_PATH_A; + sar_mac = rtw89_query_sar(rtwdev, &sar_parm); + sar_bb_a = rtw89_phy_txpwr_mac_to_bb(rtwdev, sar_mac); + + sar_parm.path = RF_PATH_B; + sar_mac = rtw89_query_sar(rtwdev, &sar_parm); + sar_bb_b = rtw89_phy_txpwr_mac_to_bb(rtwdev, sar_mac); + + return sar_bb_a - sar_bb_b; +} + static void rtw8852bx_set_txpwr_diff(struct rtw89_dev *rtwdev, const struct rtw89_chan *chan, enum rtw89_phy_idx phy_idx) @@ -1343,6 +1366,7 @@ static void rtw8852bx_set_txpwr_diff(struct rtw89_dev *rtwdev, s16 pwr_ofst; pwr_ofst = rtw89_phy_ant_gain_pwr_offset(rtwdev, chan); + pwr_ofst += rtw8852bx_get_txpwr_sar_diff(rtwdev, chan); rtw8852bx_set_txpwr_ref(rtwdev, phy_idx, pwr_ofst); } diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852bt.c b/drivers/net/wireless/realtek/rtw89/rtw8852bt.c index 0903e902d8f4..3aaf70e32652 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8852bt.c +++ b/drivers/net/wireless/realtek/rtw89/rtw8852bt.c @@ -786,7 +786,7 @@ const struct rtw89_chip_info rtw8852bt_chip_info = { .support_unii4 = true, .support_ant_gain = true, .support_tas = false, - .support_sar_by_ant = false, + .support_sar_by_ant = true, .ul_tb_waveform_ctrl = true, .ul_tb_pwr_diff = false, .rx_freq_frome_ie = true,