diff mbox series

[I/J/OEM-5.13/OEM-5.14,4/5] Bluetooth: btusb: Add protocol for MediaTek bluetooth devices(MT7922)

Message ID 20220117161918.7324-6-aaron.ma@canonical.com
State New
Headers show
Series Add basic support of MT7922 | expand

Commit Message

Aaron Ma Jan. 17, 2022, 4:19 p.m. UTC 
From: "mark-yw.chen" <mark-yw.chen@mediatek.com>

BugLink: https://bugs.launchpad.net/bugs/1958151

The information in /sys/kernel/debug/usb/devices about the MT7922U
Bluetooth device is listed as the below.

T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 18 Spd=480 MxCh= 0
D: Ver= 2.10 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs= 1
P: Vendor=0e8d ProdID=7922 Rev= 1.00
S: Manufacturer=MediaTek Inc.
S: Product=Wireless_Device
S: SerialNumber=000000000
C:* #Ifs= 3 Cfg#= 1 Atr=e0 MxPwr=100mA
A: FirstIf#= 0 IfCount= 3 Cls=e0(wlcon) Sub=01 Prot=01
I:* If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=81(I) Atr=03(Int.) MxPS= 16 Ivl=125us
E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=83(I) Atr=01(Isoc) MxPS= 0 Ivl=1ms
E: Ad=03(O) Atr=01(Isoc) MxPS= 0 Ivl=1ms
I: If#= 1 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=83(I) Atr=01(Isoc) MxPS= 9 Ivl=1ms
E: Ad=03(O) Atr=01(Isoc) MxPS= 9 Ivl=1ms
I: If#= 1 Alt= 2 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=83(I) Atr=01(Isoc) MxPS= 17 Ivl=1ms
E: Ad=03(O) Atr=01(Isoc) MxPS= 17 Ivl=1ms
I: If#= 1 Alt= 3 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=83(I) Atr=01(Isoc) MxPS= 25 Ivl=1ms
E: Ad=03(O) Atr=01(Isoc) MxPS= 25 Ivl=1ms
I: If#= 1 Alt= 4 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=83(I) Atr=01(Isoc) MxPS= 33 Ivl=1ms
E: Ad=03(O) Atr=01(Isoc) MxPS= 33 Ivl=1ms
I: If#= 1 Alt= 5 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=83(I) Atr=01(Isoc) MxPS= 49 Ivl=1ms
E: Ad=03(O) Atr=01(Isoc) MxPS= 49 Ivl=1ms
I: If#= 1 Alt= 6 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=83(I) Atr=01(Isoc) MxPS= 63 Ivl=1ms
E: Ad=03(O) Atr=01(Isoc) MxPS= 63 Ivl=1ms
I:* If#= 2 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=(none)
E: Ad=8a(I) Atr=03(Int.) MxPS= 64 Ivl=125us
E: Ad=0a(O) Atr=03(Int.) MxPS= 64 Ivl=125us
I: If#= 2 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=(none)
E: Ad=8a(I) Atr=03(Int.) MxPS= 512 Ivl=125us
E: Ad=0a(O) Atr=03(Int.) MxPS= 512 Ivl=125us

Signed-off-by: mark-yw.chen <mark-yw.chen@mediatek.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
(cherry picked from commit 09a19d6dd974c677669eff44a9044f65d7be359d)
Signed-off-by: Aaron Ma <aaron.ma@canonical.com>
---
 drivers/bluetooth/btusb.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index e2e079ac12ee8..77a9b2b288a75 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -2828,6 +2828,7 @@  static int btusb_mtk_setup(struct hci_dev *hdev)
 	case 0x7668:
 		fwname = FIRMWARE_MT7668;
 		break;
+	case 0x7922:
 	case 0x7961:
 		snprintf(fw_bin_name, sizeof(fw_bin_name),
 			"mediatek/BT_RAM_CODE_MT%04x_1_%x_hdr.bin",