On 4/22/2022 5:16 PM, Marcel Holtmann wrote:
> Hi Zijun,
>
>> Qualcomm WCN785x has PID/VID 0cf3/e700 as shown by
>> /sys/kernel/debug/usb/devices:
>>
>> T: Bus=02 Lev=02 Prnt=02 Port=01 Cnt=02 Dev#= 8 Spd=12 MxCh= 0
>> D: Ver= 1.10 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs= 1
>> P: Vendor=0cf3 ProdID=e700 Rev= 0.01
>> C:* #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=100mA
>> 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=1ms
>> E: Ad=82(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms
>> E: Ad=02(O) Atr=02(Bulk) MxPS= 64 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#= 1 Alt= 7 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
>> E: Ad=83(I) Atr=01(Isoc) MxPS= 65 Ivl=1ms
>> E: Ad=03(O) Atr=01(Isoc) MxPS= 65 Ivl=1ms
>>
>> Signed-off-by: Zijun Hu <quic_zijuhu@xxxxxxxxxxx>
>> ---
>> drivers/bluetooth/btusb.c | 10 ++++++++--
>> 1 file changed, 8 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
>> index 06a854a2507e..67a6a84a6f61 100644
>> --- a/drivers/bluetooth/btusb.c
>> +++ b/drivers/bluetooth/btusb.c
>> @@ -317,6 +317,11 @@ static const struct usb_device_id blacklist_table[] = {
>> BTUSB_WIDEBAND_SPEECH |
>> BTUSB_VALID_LE_STATES },
>>
>> + /* QCA WCN785x chipset */
>> + { USB_DEVICE(0x0cf3, 0xe700), .driver_info = BTUSB_QCA_WCN6855 |
>> + BTUSB_WIDEBAND_SPEECH |
>> + BTUSB_VALID_LE_STATES },
>> +
>> /* Broadcom BCM2035 */
>> { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 },
>> { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU },
>> @@ -3037,6 +3042,7 @@ static const struct qca_device_info qca_devices_table[] = {
>> { 0x00130100, 40, 4, 16 }, /* WCN6855 1.0 */
>> { 0x00130200, 40, 4, 16 }, /* WCN6855 2.0 */
>> { 0x00130201, 40, 4, 16 }, /* WCN6855 2.1 */
>> + { 0x00190200, 40, 4, 16 }, /* WCN785x 2.0 */
>> };
>>
>> static int btusb_qca_send_vendor_req(struct usb_device *udev, u8 request,
>> @@ -3327,11 +3333,11 @@ static int btusb_setup_qca(struct hci_dev *hdev)
>> if (err < 0)
>> return err;
>>
>> - /* WCN6855 2.1 will reset to apply firmware downloaded here, so
>> + /* WCN6855 2.1 and later will reset to apply firmware downloaded here, so
>> * wait ~100ms for reset Done then go ahead, otherwise, it maybe
>> * cause potential enable failure.
>> */
>> - if (info->rom_version == 0x00130201)
>> + if ((info->rom_version == 0x00130201) || (info->rom_version == 0x00190200))
>> msleep(QCA_BT_RESET_WAIT_MS);
>
> I think it is better to start using a switch statement here.
>
i have changed this condition as (info->rom_version >= 0x00130201) within v3 patch and mailed it.
> Regards
>
> Marcel
>
