From nobody Sun Feb 8 05:42:12 2026 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 25F202E54B3; Mon, 27 Oct 2025 08:10:37 +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=1761552641; cv=none; b=cssTYoRtE5LwB+4UYjePaKDe46SlCT5JofrmzPeu/zV2aiR50GAd34silWcy2k5vWmt0Hxd75kOIj65WRzOzSliRWKYeqruVb8GuS8HO5XzwyMdHl8q/kGCo0+AraJwJCRCQz4SX2XR4v4Ww+8fVUmdW5QN7rOd6dWiSra175Ek= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761552641; c=relaxed/simple; bh=A/FHwxJSA7obBoDVFib3NuWDqj1wszSeQK+0ZKb4DtI=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=kY3PV+f0bK/AOGV4tkBGnzBol1zZFH4ORDocEKvLg/bhVi8h9/spurET3OD49Su0k/GtD7v2ENfq3fFjC69nNAAiek+dlQrtfCXsWIgSExRfGaJ4NwifgTf4KmVnUKKiNS1BzNehR0FahW9ekXzcSN3Z+Axea7ArgesuDGAEV4Q= 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=pass (2048-bit key) header.d=realtek.com header.i=@realtek.com header.b=FMHvvs/A; 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=pass (2048-bit key) header.d=realtek.com header.i=@realtek.com header.b="FMHvvs/A" X-SpamFilter-By: ArmorX SpamTrap 5.80 with qID 59R8AQ9R0364012, This message is accepted by code: ctloc85258 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=realtek.com; s=dkim; t=1761552626; bh=f5bHsZ8xufRsURvv3zBK6RvKRsMoHbynFtzzCOloXLs=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version: Content-Transfer-Encoding:Content-Type; b=FMHvvs/AHskv7hOJt80Cq363s4+RRh27+JB+p99PcU5m1L+vQRQxxslEGBk54s3T+ 7Vvv0xIOHBGCDm9mjpMIdjNj40Tmb5QoG9Fr9KzmORAS/3xDZqBj49E5yym1XQm6yj ttsZ9ZItMn0rYzJ2SLzUKSkkC/MSDtoZmwYhSXo8Lpnw0D7DmfLxNyPHVQTqnHJBbD dlUKg16a1a0E+m9/cMzkdgyQyLvvXm3Wn5YnEqVxokXRMl+qiSxzvlSsawmQ0dkWJ1 hcIn7HeP/18zjEmRlqjItWcfp23EwC6lmXCJ3jaklYXz5nRKSBBT1MYzP9LwupmR+S fuCzlaQUTMRuQ== Received: from mail.realtek.com (rtkexhmbs04.realtek.com.tw[10.21.1.54]) by rtits2.realtek.com.tw (8.15.2/3.13/5.93) with ESMTPS id 59R8AQ9R0364012 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 27 Oct 2025 16:10:26 +0800 Received: from RTKEXHMBS01.realtek.com.tw (172.21.6.40) by RTKEXHMBS04.realtek.com.tw (10.21.1.54) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.27; Mon, 27 Oct 2025 16:10:26 +0800 Received: from RTKEXHMBS03.realtek.com.tw (10.21.1.53) by RTKEXHMBS01.realtek.com.tw (172.21.6.40) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.27; Mon, 27 Oct 2025 16:10:25 +0800 Received: from localhost.localhost (172.24.54.48) by RTKEXHMBS03.realtek.com.tw (10.21.1.53) with Microsoft SMTP Server id 15.2.1544.27 via Frontend Transport; Mon, 27 Oct 2025 16:10:25 +0800 From: Max Chou To: Marcel Holtmann , Luiz Augusto von Dentz , , CC: Hilda Wu , alex_lu , , , Chih-Hsiang Wang , , Max Chou Subject: [PATCH] Bluetooth: btrtl: Add the support for RTL8761CUV Date: Mon, 27 Oct 2025 16:10:44 +0800 Message-ID: <20251027081044.11158-1-max.chou@realtek.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add the support for RTL8761CUV BT controller on USB interface. The device info from /sys/kernel/debug/usb/devices as below. T: Bus=3D02 Lev=3D01 Prnt=3D01 Port=3D00 Cnt=3D01 Dev#=3D 13 Spd=3D12 Mx= Ch=3D 0 D: Ver=3D 1.10 Cls=3De0(wlcon) Sub=3D01 Prot=3D01 MxPS=3D64 #Cfgs=3D 1 P: Vendor=3D0bda ProdID=3Dc761 Rev=3D 2.00 S: Manufacturer=3DRealtek S: Product=3DBluetooth Controller S: SerialNumber=3D10000 C:* #Ifs=3D 2 Cfg#=3D 1 Atr=3Da0 MxPwr=3D100mA I:* If#=3D 0 Alt=3D 0 #EPs=3D 3 Cls=3De0(wlcon) Sub=3D01 Prot=3D01 Driver= =3Dbtusb E: Ad=3D81(I) Atr=3D03(Int.) MxPS=3D 64 Ivl=3D1ms E: Ad=3D02(O) Atr=3D02(Bulk) MxPS=3D 64 Ivl=3D0ms E: Ad=3D82(I) Atr=3D02(Bulk) MxPS=3D 64 Ivl=3D0ms I:* If#=3D 1 Alt=3D 0 #EPs=3D 2 Cls=3De0(wlcon) Sub=3D01 Prot=3D01 Driver= =3Dbtusb E: Ad=3D83(I) Atr=3D01(Isoc) MxPS=3D 0 Ivl=3D1ms E: Ad=3D03(O) Atr=3D01(Isoc) MxPS=3D 0 Ivl=3D1ms I: If#=3D 1 Alt=3D 1 #EPs=3D 2 Cls=3De0(wlcon) Sub=3D01 Prot=3D01 Driver= =3Dbtusb E: Ad=3D83(I) Atr=3D01(Isoc) MxPS=3D 9 Ivl=3D1ms E: Ad=3D03(O) Atr=3D01(Isoc) MxPS=3D 9 Ivl=3D1ms I: If#=3D 1 Alt=3D 2 #EPs=3D 2 Cls=3De0(wlcon) Sub=3D01 Prot=3D01 Driver= =3Dbtusb E: Ad=3D83(I) Atr=3D01(Isoc) MxPS=3D 17 Ivl=3D1ms E: Ad=3D03(O) Atr=3D01(Isoc) MxPS=3D 17 Ivl=3D1ms I: If#=3D 1 Alt=3D 3 #EPs=3D 2 Cls=3De0(wlcon) Sub=3D01 Prot=3D01 Driver= =3Dbtusb E: Ad=3D83(I) Atr=3D01(Isoc) MxPS=3D 25 Ivl=3D1ms E: Ad=3D03(O) Atr=3D01(Isoc) MxPS=3D 25 Ivl=3D1ms I: If#=3D 1 Alt=3D 4 #EPs=3D 2 Cls=3De0(wlcon) Sub=3D01 Prot=3D01 Driver= =3Dbtusb E: Ad=3D83(I) Atr=3D01(Isoc) MxPS=3D 33 Ivl=3D1ms E: Ad=3D03(O) Atr=3D01(Isoc) MxPS=3D 33 Ivl=3D1ms I: If#=3D 1 Alt=3D 5 #EPs=3D 2 Cls=3De0(wlcon) Sub=3D01 Prot=3D01 Driver= =3Dbtusb E: Ad=3D83(I) Atr=3D01(Isoc) MxPS=3D 49 Ivl=3D1ms E: Ad=3D03(O) Atr=3D01(Isoc) MxPS=3D 49 Ivl=3D1ms I: If#=3D 1 Alt=3D 6 #EPs=3D 2 Cls=3De0(wlcon) Sub=3D01 Prot=3D01 Driver= =3Dbtusb E: Ad=3D83(I) Atr=3D01(Isoc) MxPS=3D 63 Ivl=3D1ms E: Ad=3D03(O) Atr=3D01(Isoc) MxPS=3D 63 Ivl=3D1ms Signed-off-by: Max Chou --- drivers/bluetooth/btrtl.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/bluetooth/btrtl.c b/drivers/bluetooth/btrtl.c index 6abd962502e3..329554f23542 100644 --- a/drivers/bluetooth/btrtl.c +++ b/drivers/bluetooth/btrtl.c @@ -72,6 +72,7 @@ enum btrtl_chip_id { CHIP_ID_8851B =3D 36, CHIP_ID_8922A =3D 44, CHIP_ID_8852BT =3D 47, + CHIP_ID_8761C =3D 51, }; =20 struct id_table { @@ -230,6 +231,14 @@ static const struct id_table ic_id_table[] =3D { .cfg_name =3D "rtl_bt/rtl8761bu_config", .hw_info =3D "rtl8761bu" }, =20 + /* 8761CU */ + { IC_INFO(RTL_ROM_LMP_8761A, 0x0e, 0xc, HCI_USB), + .config_needed =3D false, + .has_rom_version =3D true, + .fw_name =3D "rtl_bt/rtl8761cu_fw", + .cfg_name =3D "rtl_bt/rtl8761cu_config", + .hw_info =3D "rtl8761cu" }, + /* 8822C with UART interface */ { IC_INFO(RTL_ROM_LMP_8822B, 0xc, 0x8, HCI_UART), .config_needed =3D true, @@ -668,6 +677,7 @@ static int rtlbt_parse_firmware(struct hci_dev *hdev, { RTL_ROM_LMP_8851B, 36 }, /* 8851B */ { RTL_ROM_LMP_8922A, 44 }, /* 8922A */ { RTL_ROM_LMP_8852A, 47 }, /* 8852BT */ + { RTL_ROM_LMP_8761A, 51 }, /* 8761C */ }; =20 if (btrtl_dev->fw_len <=3D 8) @@ -1301,6 +1311,7 @@ void btrtl_set_quirks(struct hci_dev *hdev, struct bt= rtl_device_info *btrtl_dev) case CHIP_ID_8851B: case CHIP_ID_8922A: case CHIP_ID_8852BT: + case CHIP_ID_8761C: hci_set_quirk(hdev, HCI_QUIRK_WIDEBAND_SPEECH_SUPPORTED); =20 /* RTL8852C needs to transmit mSBC data continuously without @@ -1520,6 +1531,8 @@ MODULE_FIRMWARE("rtl_bt/rtl8761b_fw.bin"); MODULE_FIRMWARE("rtl_bt/rtl8761b_config.bin"); MODULE_FIRMWARE("rtl_bt/rtl8761bu_fw.bin"); MODULE_FIRMWARE("rtl_bt/rtl8761bu_config.bin"); +MODULE_FIRMWARE("rtl_bt/rtl8761cu_fw.bin"); +MODULE_FIRMWARE("rtl_bt/rtl8761cu_config.bin"); MODULE_FIRMWARE("rtl_bt/rtl8821a_fw.bin"); MODULE_FIRMWARE("rtl_bt/rtl8821a_config.bin"); MODULE_FIRMWARE("rtl_bt/rtl8821c_fw.bin"); --=20 2.43.0