From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-189.mta1.migadu.com (out-189.mta1.migadu.com [95.215.58.189]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 192EB21CFEF for ; Sat, 25 Jul 2026 15:04:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.189 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784991898; cv=none; b=hUTwcsyZn97kSNstTbN/AzINLNKzwaMlaLXVUNYpS0d6LisvMQQ8h8sBSdWNmLaLABFbD5q9EEa0oS3Fks72MpGQ0pw8oXDAJrGNxHqtSW1Ur2T5tlQ2+8ZSANRpa+6LAT/NBiy0LgGzBFtuaIUPdf8KjirsePDii6O0J3YQ89M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784991898; c=relaxed/simple; bh=LHpGpzjL1uOwjlBaIO90InqWsWUAnDDYnOZ91uCf8A8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=P6OLjzszgKxU/jidEl3rMYKHiv0YLWs/odGummi+UKGPMn5fQnJXk2PGnWGFztT1aKmsw/pXmV3rNVgwfs81nnXInISVVrjz3FJWuqVeIjtdpAerqVV1XxcDX0SIzma1+EBChaF/8TweGoirFDA62uCwXLhJQPPETp/0VZQK96o= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=vHERFgbx; arc=none smtp.client-ip=95.215.58.189 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="vHERFgbx" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1784991895; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=lF5WnMxjImn1MaAktMHv+BB6Hk67GwaL4Xcun9Zmj2w=; b=vHERFgbxWWl4DzLTEEe87jhp4Zs8mhY0gtSs/aW9jibYD+0jKM9kr5IYKJdgOz1Jb5j55r rEXm7bDb3zg317TlShaScyovH2WfOY5XVSSghdMVbqJXulNHUeL/goJVZ5UoGi4Z2l/E2o Q+EKOvnd7vtlTx6xVqBsTvsXMSQpEJk= From: luka.gejak@linux.dev To: Ping-Ke Shih Cc: linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, Michael Straube , Peter Robinson , Bitterblue Smith , Luka Gejak Subject: [PATCH v2 03/11] wifi: rtw88: fw: add the GNT_BT firmware command Date: Sat, 25 Jul 2026 17:04:19 +0200 Message-ID: <20260725150427.93887-4-luka.gejak@linux.dev> In-Reply-To: <20260725150427.93887-1-luka.gejak@linux.dev> References: <20260725150427.93887-1-luka.gejak@linux.dev> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT From: Luka Gejak The RTL8723BS coexistence sequence needs an H2C command that rtw88 does not implement: the firmware GNT_BT state, which hands the shared antenna to WiFi. Add it here so the coexistence change that follows has it available. Signed-off-by: Luka Gejak --- drivers/net/wireless/realtek/rtw88/fw.c | 11 +++++++++++ drivers/net/wireless/realtek/rtw88/fw.h | 4 ++++ 2 files changed, 15 insertions(+) diff --git a/drivers/net/wireless/realtek/rtw88/fw.c b/drivers/net/wireless/realtek/rtw88/fw.c index 945fedcd375b..dd6595b8175e 100644 --- a/drivers/net/wireless/realtek/rtw88/fw.c +++ b/drivers/net/wireless/realtek/rtw88/fw.c @@ -786,6 +786,17 @@ void rtw_fw_media_status_report(struct rtw_dev *rtwdev, u8 mac_id, bool connect) rtw_fw_send_h2c_command(rtwdev, h2c_pkt); } +/* 8723BS SDIO: set the firmware GNT_BT state (0 = WiFi owns the antenna). */ +void rtw_fw_set_gnt_bt(struct rtw_dev *rtwdev, u8 state) +{ + u8 h2c_pkt[H2C_PKT_SIZE] = {0}; + + SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_GNT_BT); + SET_GNT_BT_STATE(h2c_pkt, state); + + rtw_fw_send_h2c_command(rtwdev, h2c_pkt); +} + void rtw_fw_update_wl_phy_info(struct rtw_dev *rtwdev) { struct rtw_traffic_stats *stats = &rtwdev->stats; diff --git a/drivers/net/wireless/realtek/rtw88/fw.h b/drivers/net/wireless/realtek/rtw88/fw.h index 48ad9ceab6ea..f5ed65c46350 100644 --- a/drivers/net/wireless/realtek/rtw88/fw.h +++ b/drivers/net/wireless/realtek/rtw88/fw.h @@ -572,6 +572,7 @@ static inline void rtw_h2c_pkt_set_header(u8 *h2c_pkt, u8 sub_id) #define H2C_CMD_QUERY_BT_MP_INFO 0x67 #define H2C_CMD_BT_WIFI_CONTROL 0x69 #define H2C_CMD_WIFI_CALIBRATION 0x6d +#define H2C_CMD_GNT_BT 0x6e #define H2C_CMD_QUERY_BT_HID_INFO 0x73 #define H2C_CMD_KEEP_ALIVE 0x03 @@ -684,6 +685,8 @@ static inline void rtw_h2c_pkt_set_header(u8 *h2c_pkt, u8 sub_id) le32p_replace_bits((__le32 *)(h2c_pkt) + 0x01, value, GENMASK(31, 24)) #define SET_QUERY_BT_INFO(h2c_pkt, value) \ le32p_replace_bits((__le32 *)(h2c_pkt) + 0x00, value, BIT(8)) +#define SET_GNT_BT_STATE(h2c_pkt, value) \ + le32p_replace_bits((__le32 *)(h2c_pkt) + 0x00, value, BIT(8)) #define SET_WL_CH_INFO_LINK(h2c_pkt, value) \ le32p_replace_bits((__le32 *)(h2c_pkt) + 0x00, value, GENMASK(15, 8)) #define SET_WL_CH_INFO_CHNL(h2c_pkt, value) \ @@ -849,6 +852,7 @@ void rtw_fw_send_rssi_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si); void rtw_fw_send_ra_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si, bool reset_ra_mask); void rtw_fw_media_status_report(struct rtw_dev *rtwdev, u8 mac_id, bool conn); +void rtw_fw_set_gnt_bt(struct rtw_dev *rtwdev, u8 state); void rtw_fw_update_wl_phy_info(struct rtw_dev *rtwdev); void rtw_fw_beacon_filter_config(struct rtw_dev *rtwdev, bool connect, struct ieee80211_vif *vif); -- 2.55.0