From nobody Sun Feb 8 14:40:12 2026 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 6BB35C77B75 for ; Tue, 18 Apr 2023 05:44:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230257AbjDRFoO (ORCPT ); Tue, 18 Apr 2023 01:44:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38276 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230236AbjDRFoJ (ORCPT ); Tue, 18 Apr 2023 01:44:09 -0400 Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2F97A469D; Mon, 17 Apr 2023 22:44:06 -0700 (PDT) Authenticated-By: X-SpamFilter-By: ArmorX SpamTrap 5.77 with qID 33I5hwYtB010488, This message is accepted by code: ctloc85258 Received: from mail.realtek.com (rtexh36505.realtek.com.tw[172.21.6.25]) by rtits2.realtek.com.tw (8.15.2/2.81/5.90) with ESMTPS id 33I5hwYtB010488 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=OK); Tue, 18 Apr 2023 13:43:58 +0800 Received: from RTEXMBS03.realtek.com.tw (172.21.6.96) by RTEXH36505.realtek.com.tw (172.21.6.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.32; Tue, 18 Apr 2023 13:43:58 +0800 Received: from localhost (172.21.132.123) by RTEXMBS03.realtek.com.tw (172.21.6.96) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.7; Tue, 18 Apr 2023 13:43:58 +0800 From: To: CC: , , , , , , , Subject: [PATCH] Bluetooth: btrtl: Add the support for RTL8851B Date: Tue, 18 Apr 2023 13:43:54 +0800 Message-ID: <20230418054354.5452-1-max.chou@realtek.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [172.21.132.123] X-ClientProxiedBy: RTEXMBS02.realtek.com.tw (172.21.6.95) To RTEXMBS03.realtek.com.tw (172.21.6.96) X-KSE-ServerInfo: RTEXMBS03.realtek.com.tw, 9 X-KSE-AntiSpam-Interceptor-Info: fallback X-KSE-Antivirus-Interceptor-Info: fallback X-KSE-AntiSpam-Interceptor-Info: fallback X-KSE-ServerInfo: RTEXH36505.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-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Max Chou Add the support for RTL8851B BT controller on USB interface. The necessary firmware will be submitted to linux-firmware project. Note that the Bluetooth devices WITH the VID=3D0x0bda would be set the feature quirk in btrtl_setup_realtek(). It's able to ignore the feature flag set for the specific VID and PID in blacklist_table[] of btusb.c. (check [1]) If Realtek Bluetooth chips WITHOUT the VID=3D0x0bda, it shall be added the feature flag for the specific VID and PID in blacklist_table[] of btusb.c. (check [2]) [1] '9ab9235fe5cf ("Bluetooth: btrtl: Enable WBS for the specific Realtek devices")' [2] '73280f13c9bb ("Bluetooth: btusb: Add the more support IDs for Realtek RTL8822CE")' The device info from /sys/kernel/debug/usb/devices as below. T: Bus=3D03 Lev=3D01 Prnt=3D01 Port=3D00 Cnt=3D01 Dev#=3D 33 Spd=3D480 Mx= Ch=3D 0 D: Ver=3D 2.00 Cls=3Def(misc ) Sub=3D02 Prot=3D01 MxPS=3D64 #Cfgs=3D 1 P: Vendor=3D0bda ProdID=3Db851 Rev=3D 0.00 S: Manufacturer=3DRealtek S: Product=3D802.11ax WLAN Adapter S: SerialNumber=3D00E04C885A01 C:* #Ifs=3D 3 Cfg#=3D 1 Atr=3D80 MxPwr=3D500mA A: FirstIf#=3D 0 IfCount=3D 2 Cls=3De0(wlcon) Sub=3D01 Prot=3D01 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 16 Ivl=3D1ms E: Ad=3D02(O) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms E: Ad=3D82(I) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms I:* If#=3D 1 Alt=3D 0 #EPs=3D 2 Cls=3De0(wlcon) Sub=3D01 Prot=3D01 Driver= =3Dbtusb E: Ad=3D03(O) Atr=3D01(Isoc) MxPS=3D 0 Ivl=3D1ms E: Ad=3D83(I) 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=3D03(O) Atr=3D01(Isoc) MxPS=3D 9 Ivl=3D1ms E: Ad=3D83(I) 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=3D03(O) Atr=3D01(Isoc) MxPS=3D 17 Ivl=3D1ms E: Ad=3D83(I) 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=3D03(O) Atr=3D01(Isoc) MxPS=3D 25 Ivl=3D1ms E: Ad=3D83(I) 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=3D03(O) Atr=3D01(Isoc) MxPS=3D 33 Ivl=3D1ms E: Ad=3D83(I) 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=3D03(O) Atr=3D01(Isoc) MxPS=3D 49 Ivl=3D1ms E: Ad=3D83(I) Atr=3D01(Isoc) MxPS=3D 49 Ivl=3D1ms I:* If#=3D 2 Alt=3D 0 #EPs=3D 8 Cls=3Dff(vend.) Sub=3Dff Prot=3Dff Driver= =3D(none) E: Ad=3D84(I) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms E: Ad=3D05(O) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms E: Ad=3D06(O) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms E: Ad=3D07(O) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms E: Ad=3D09(O) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms E: Ad=3D0a(O) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms E: Ad=3D0b(O) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms E: Ad=3D0c(O) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms Signed-off-by: Max Chou --- drivers/bluetooth/btrtl.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/drivers/bluetooth/btrtl.c b/drivers/bluetooth/btrtl.c index 2ced74f8f87d..2915c82d719d 100644 --- a/drivers/bluetooth/btrtl.c +++ b/drivers/bluetooth/btrtl.c @@ -29,6 +29,7 @@ #define RTL_ROM_LMP_8761A 0x8761 #define RTL_ROM_LMP_8822B 0x8822 #define RTL_ROM_LMP_8852A 0x8852 +#define RTL_ROM_LMP_8851B 0x8851 #define RTL_CONFIG_MAGIC 0x8723ab55 =20 #define IC_MATCH_FL_LMPSUBV (1 << 0) @@ -65,6 +66,7 @@ enum btrtl_chip_id { CHIP_ID_8852A =3D 18, CHIP_ID_8852B =3D 20, CHIP_ID_8852C =3D 25, + CHIP_ID_8851B =3D 36, }; =20 struct id_table { @@ -271,6 +273,14 @@ static const struct id_table ic_id_table[] =3D { .has_msft_ext =3D true, .fw_name =3D "rtl_bt/rtl8852cu_fw.bin", .cfg_name =3D "rtl_bt/rtl8852cu_config" }, + + /* 8851B */ + { IC_INFO(RTL_ROM_LMP_8851B, 0xb, 0xc, HCI_USB), + .config_needed =3D false, + .has_rom_version =3D true, + .has_msft_ext =3D false, + .fw_name =3D "rtl_bt/rtl8851bu_fw.bin", + .cfg_name =3D "rtl_bt/rtl8851bu_config" }, }; =20 static const struct id_table *btrtl_match_ic(u16 lmp_subver, u16 hci_rev, @@ -607,6 +617,7 @@ static int rtlbt_parse_firmware(struct hci_dev *hdev, { RTL_ROM_LMP_8852A, 18 }, /* 8852A */ { RTL_ROM_LMP_8852A, 20 }, /* 8852B */ { RTL_ROM_LMP_8852A, 25 }, /* 8852C */ + { RTL_ROM_LMP_8851B, 36 }, /* 8851B */ }; =20 if (btrtl_dev->fw_len <=3D 8) @@ -1134,6 +1145,7 @@ int btrtl_download_firmware(struct hci_dev *hdev, case RTL_ROM_LMP_8822B: case RTL_ROM_LMP_8852A: case RTL_ROM_LMP_8703B: + case RTL_ROM_LMP_8851B: return btrtl_setup_rtl8723b(hdev, btrtl_dev); default: rtl_dev_info(hdev, "assuming no firmware upload needed"); @@ -1158,6 +1170,7 @@ void btrtl_set_quirks(struct hci_dev *hdev, struct bt= rtl_device_info *btrtl_dev) case CHIP_ID_8852A: case CHIP_ID_8852B: case CHIP_ID_8852C: + case CHIP_ID_8851B: set_bit(HCI_QUIRK_VALID_LE_STATES, &hdev->quirks); set_bit(HCI_QUIRK_WIDEBAND_SPEECH_SUPPORTED, &hdev->quirks); =20 @@ -1370,3 +1383,5 @@ MODULE_FIRMWARE("rtl_bt/rtl8852bu_fw.bin"); MODULE_FIRMWARE("rtl_bt/rtl8852bu_config.bin"); MODULE_FIRMWARE("rtl_bt/rtl8852cu_fw.bin"); MODULE_FIRMWARE("rtl_bt/rtl8852cu_config.bin"); +MODULE_FIRMWARE("rtl_bt/rtl8851bu_fw.bin"); +MODULE_FIRMWARE("rtl_bt/rtl8851bu_config.bin"); --=20 2.34.1