From nobody Sat Feb 7 15:21:51 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 256EE255240; Thu, 23 Oct 2025 07:05:43 +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=1761203147; cv=none; b=LAifihkW10tdZTqn1s8LPB1UJ/sidJC+ia4pYQgHbtX8AD0rwog4oqJJSM1fC6vBviFPvdELPvL641dubcOgOaCSh37x3a/rOk+Mq2R4vtb0NNWVK/99lPZRzGE5Bim9tjHg1UJ7RAn4d6op1lycgC4aXiih7Oz3pWybXl4WxKE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761203147; c=relaxed/simple; bh=5ICGfVzuTLy8E+nH3lwiFFsENF5dS+1c1viiPVRplys=; h=From:To:Subject:Date:Message-ID:References:In-Reply-To: Content-Type:MIME-Version; b=HxXM99GvSYbSbCivrX/2ZI+lIcENQUtC14+OWIsZH4oz6gJULF55BSxCQck0ChfgLH6Mj80oDt1HdduIwhkNlDUgqug/72fQsPRIViqMRcyDcqgoIg1iBmQBhwyIv6PQk09+lt1CWl1a6cUDL0T9JWf1difFSoIJibXkEyuAr9c= 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=YD4u2GXQ; 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="YD4u2GXQ" X-SpamFilter-By: ArmorX SpamTrap 5.80 with qID 59N75V5V02070782, This message is accepted by code: ctloc85258 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=realtek.com; s=dkim; t=1761203131; bh=5ICGfVzuTLy8E+nH3lwiFFsENF5dS+1c1viiPVRplys=; h=From:To:Subject:Date:Message-ID:References:In-Reply-To: Content-Type:Content-Transfer-Encoding:MIME-Version; b=YD4u2GXQd8yzV06ES2Ns8OltwA7wPNyidhhHp8ESQFA+ez4e+W7UTmL9Kqzk7nTUE 99vVCRhlSHfdhu+a/rA2ULeRJswpIazCnsvt1CUJi4XxZWW4Y3uYhwQ+6V9DnadZ9s lP45Gz6Ye7YWa7ODdOt7nFrutspI1JF9AURiUxZQdHPSeRVY0yUrhn3G/QeMEMUMWX rRAtuiJvAdjDzydq5q3MzdmLd4WuGIB83xD/5KIVWSTerFAshxUi+uu8JaYx6RwApY dSOIaRHrX0I6+ExuQpA168OUTXRbunY9NmW/oLAmYH2k40fcSrcseNQgbTuuy4Yic+ jfcWKzfpUB/Tg== Received: from mail.realtek.com (rtkexhmbs02.realtek.com.tw[172.21.6.41]) by rtits2.realtek.com.tw (8.15.2/3.13/5.93) with ESMTPS id 59N75V5V02070782 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 23 Oct 2025 15:05:31 +0800 Received: from RTKEXHMBS03.realtek.com.tw (10.21.1.53) by RTKEXHMBS02.realtek.com.tw (172.21.6.41) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.27; Thu, 23 Oct 2025 15:05:31 +0800 Received: from RTKEXHMBS03.realtek.com.tw ([::1]) by RTKEXHMBS03.realtek.com.tw ([fe80::2514:51f7:92e3:7d6a%9]) with mapi id 15.02.1544.027; Thu, 23 Oct 2025 15:05:31 +0800 From: Max Chou To: Marcel Holtmann , Luiz Augusto von Dentz , "linux-bluetooth@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Hilda Wu , "alex_lu@realsil.com.cn" , "niall_ni@realsil.com.cn" , "zhu_qing@realsil.com.cn" , Chih-Hsiang Wang , "brenda.li@ublnx.com" , Max Chou Subject: [PATCH] Bluetooth: btrtl: Add the support for RTL8761CUV Thread-Topic: [PATCH] Bluetooth: btrtl: Add the support for RTL8761CUV Thread-Index: AQHcQ+r0sbqVdn7QDE+56GM9UlkwJ7TPTiSQ Date: Thu, 23 Oct 2025 07:05:31 +0000 Message-ID: <4c38283c501d47a89a5c5d3f731de031@realtek.com> References: <20251023070221.18657-1-max.chou@realtek.com> In-Reply-To: <20251023070221.18657-1-max.chou@realtek.com> Accept-Language: zh-TW, en-US Content-Language: zh-TW Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Max Chou 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 6a= bd962502e3..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"); -- 2.43.0