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Mon, 4 Mar 2024 22:48:48 +0800 From: Peter Tsao To: Marcel Holtmann , Johan Hedberg , Luiz Von Dentz CC: Sean Wang , Deren Wu , Chris Lu , Aaron Hou , "Steve Lee" , linux-bluetooth , linux-kernel , linux-mediatek , Peter Tsao Subject: [PATCH] [PATCH] Bluetooth: btusb: Add support Mediatek MT7920 Date: Mon, 4 Mar 2024 22:48:44 +0800 Message-ID: <20240304144844.2042-1-peter.tsao@mediatek.com> X-Mailer: git-send-email 2.18.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--5.048000-8.000000 X-TMASE-MatchedRID: AIneCDrHljXpHzzvfxlA9bCvlllU7Dl1jzwigoyOACR+YesuCgkiXFrN q+deGHNNEBd8LlX7xQH+drDB7ysG20fr6WG4Th9ah6L+ZkJhXC5CX8V1FiRRkt9RlPzeVuQQj3Q bFpHxze0b2iLBDKNZzdwU8VHXGipCHxPMjOKY7A8LbigRnpKlKTpcQTtiHDgWa2+sArfqKRjsrr DlOva601p4ExCflAw3kxMpQp+e7bKo+jfN2htJCEMMprcbiest X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--5.048000-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: 3B0F0103528A15B8EFAAF9D0E9492880D9625E15880BF383EDB174C927AE17392000:8 X-MTK: N Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" This patch is added support Mediatek MT7920 The firmware location of MT7920 will set to /lib/firmware/mediatek/ The information in /sys/kernel/debug/usb/devices about MT7920U Bluetooth device is listed as the below T: Bus=3D01 Lev=3D02 Prnt=3D02 Port=3D00 Cnt=3D01 Dev#=3D 12 Spd=3D480 Mx= Ch=3D 0 D: Ver=3D 2.10 Cls=3Def(misc ) Sub=3D02 Prot=3D01 MxPS=3D64 #Cfgs=3D 1 P: Vendor=3D0e8d ProdID=3D7920 Rev=3D 1.00 S: Manufacturer=3DMediaTek Inc. S: Product=3DWireless_Device S: SerialNumber=3D000000000 C:* #Ifs=3D 3 Cfg#=3D 1 Atr=3De0 MxPwr=3D100mA A: FirstIf#=3D 0 IfCount=3D 3 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=3D125us E: Ad=3D82(I) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms E: Ad=3D02(O) 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=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 I:* If#=3D 2 Alt=3D 0 #EPs=3D 2 Cls=3De0(wlcon) Sub=3D01 Prot=3D01 Driver= =3D(none) E: Ad=3D8a(I) Atr=3D03(Int.) MxPS=3D 64 Ivl=3D125us E: Ad=3D0a(O) Atr=3D03(Int.) MxPS=3D 64 Ivl=3D125us I: If#=3D 2 Alt=3D 1 #EPs=3D 2 Cls=3De0(wlcon) Sub=3D01 Prot=3D01 Driver= =3D(none) E: Ad=3D8a(I) Atr=3D03(Int.) MxPS=3D 512 Ivl=3D125us E: Ad=3D0a(O) Atr=3D03(Int.) MxPS=3D 512 Ivl=3D125us Signed-off-by: Peter Tsao --- drivers/bluetooth/btusb.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index edfb49bbaa28..ba6ac853110b 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -3088,7 +3088,7 @@ static int btusb_mtk_setup(struct hci_dev *hdev) int err, status; u32 dev_id =3D 0; char fw_bin_name[64]; - u32 fw_version =3D 0; + u32 fw_version =3D 0, fw_flavor =3D 0; u8 param; struct btmediatek_data *mediatek; =20 @@ -3111,6 +3111,11 @@ static int btusb_mtk_setup(struct hci_dev *hdev) bt_dev_err(hdev, "Failed to get fw version (%d)", err); return err; } + err =3D btusb_mtk_id_get(data, 0x70010020, &fw_flavor); + if (err < 0) { + bt_dev_err(hdev, "Failed to get fw flavor (%d)", err); + return err; + } } =20 mediatek =3D hci_get_priv(hdev); @@ -3135,6 +3140,10 @@ static int btusb_mtk_setup(struct hci_dev *hdev) snprintf(fw_bin_name, sizeof(fw_bin_name), "mediatek/mt%04x/BT_RAM_CODE_MT%04x_1_%x_hdr.bin", dev_id & 0xffff, dev_id & 0xffff, (fw_version & 0xff) + 1); + else if (dev_id =3D=3D 0x7961 && fw_flavor) + snprintf(fw_bin_name, sizeof(fw_bin_name), + "mediatek/BT_RAM_CODE_MT%04x_1a_%x_hdr.bin", + dev_id & 0xffff, (fw_version & 0xff) + 1); else snprintf(fw_bin_name, sizeof(fw_bin_name), "mediatek/BT_RAM_CODE_MT%04x_1_%x_hdr.bin", --=20 2.18.0