Re: ath3k Bluetooth adapter not loading: [0cf3:3004] Atheros Communications, Inc. AR3012 Bluetooth 4.0

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Hi Sumit,

On 06/17/15 06:00, Sumit Khanna wrote:
> On 17/06/15 20:46, Sumit's Mailing Lists wrote:
>> On 17/06/15 04:52, Ben Young Tae Kim wrote:
>>> Hi Sumit,
>>>
>>> On 06/15/15 10:48, Sumit's Mailing Lists wrote:
>>>> On 16/06/15 00:57, Ben Young Tae Kim wrote:
>>>>> Hi Sumit,
>>>>>
>>>>>
>>>>> On 06/15/15 07:16, Sumit's Mailing Lists wrote:
>>>>>> On 15/06/15 21:55, Marcel Holtmann wrote:
>>>>>>> Hi Smuit,
>>>>>>>
>>>>>>>>>> I'm currently using an MSI WS60 laptop which contains the following
>>>>>>>>>> Bluetooth controller (from lsusb):
>>>>>>>>>>
>>>>>>>>>> Bus 003 Device 003: ID 0cf3:3004 Atheros Communications, Inc. AR3012
>>>>>>>>>> Bluetooth 4.0
>>>>>>>>> assuming that the firmware is present, this is most likely just missing the right VID/PID additions in the drivers. Please prepare a patch for that.
>>>>>>>>>
>>>>>>>>>> and the more detailed version:
>>>>>>>>>>
>>>>>>>>>> Bus 003 Device 003: ID 0cf3:3004 Atheros Communications, Inc. AR3012
>>>>>>>>>> Bluetooth 4.0
>>>>>>>>>> Device Descriptor:
>>>>>>>>>> bLength                18
>>>>>>>>>> bDescriptorType         1
>>>>>>>>>> bcdUSB               1.10
>>>>>>>>>> bDeviceClass          224 Wireless
>>>>>>>>>> bDeviceSubClass         1 Radio Frequency
>>>>>>>>>> bDeviceProtocol         1 Bluetooth
>>>>>>>>>> bMaxPacketSize0        64
>>>>>>>>>> idVendor           0x0cf3 Atheros Communications, Inc.
>>>>>>>>>> idProduct          0x3004 AR3012 Bluetooth 4.0
>>>>>>>>>> bcdDevice            0.01
>>>>>>>>>> iManufacturer           0
>>>>>>>>>> iProduct                0
>>>>>>>>>> iSerial                 0
>>>>>>>>>> bNumConfigurations      1
>>>>>>>>>> Configuration Descriptor:
>>>>>>>>> I actually prefer /sys/kernel/debug/usb/devices output for the devices.
>>>>>>>>>
>>>>>>>>> Regards
>>>>>>>>>
>>>>>>>>> Marcel
>>>>>>>>>
>>>>>>>> Here is the output from /sys/kernel/debug/usb/devices for my ath3k (also
>>>>>>>> added it to the kernel bugzilla):
>>>>>>>>
>>>>>>>> T:  Bus=03 Lev=02 Prnt=02 Port=02 Cnt=01 Dev#=  3 Spd=12   MxCh= 0
>>>>>>>> D:  Ver= 1.10 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs=  1
>>>>>>>> P:  Vendor=0cf3 ProdID=3004 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=(none)
>>>>>>>> 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=(none)
>>>>>>>> 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=(none)
>>>>>>>> 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=(none)
>>>>>>>> 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=(none)
>>>>>>>> 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=(none)
>>>>>>>> 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=(none)
>>>>>>>> E:  Ad=83(I) Atr=01(Isoc) MxPS=  49 Ivl=1ms
>>>>>>>> E:  Ad=03(O) Atr=01(Isoc) MxPS=  49 Ivl=1ms
>>>>>>>>
>>>>>>>> and the firmware the kernel is trying to load:
>>>>>>>>
>>>>>>>> [  762.729370] usb 3-1.3: Direct firmware load for
>>>>>>>> ar3k/AthrBT_0x00000200.dfu failed with error -2
>>>>>>>> [  762.729373] Bluetooth: Patch file not found ar3k/AthrBT_0x00000200.dfu
>>>>>>>> [  762.729374] Bluetooth: Loading patch file failed
>>>>>>>> [  762.729381] ath3k: probe of 3-1.3:1.0 failed with error -2
>>>>>>>> [  762.729411] usbcore: registered new interface driver ath3k
>>>>>>> I fail to see that firmware in linux-firmware tree. However this up to Atheros / Qualcomm to submit there. I can not do much about this.
>>>>>>>
>>>>>>> Regards
>>>>>>>
>>>>>>> Marcel
>>>>>>>
>>>>>> Marcel,
>>>>>>
>>>>>> So it's pulling the right firmware file for my device, but It just
>>>>>> hasn't been released yet?
>>>>>>
>>>>>> I know with the Wi-Fi firmware, the ath10k devs had python scripts to
>>>>>> extract the firmware binaries from the Windows drivers (mentioned in
>>>>>> here https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1383184). Has
>>>>>> anyone done that before with the bluetooth firmware, or do you typically
>>>>>> just wait for atheros/qualcom to release official ones?
>>>>> Where did you get your atheros board/card since I couldn't find that board here. Is it a laptop? The BT firmware driver was trying to load AthrBT_0x00000200.dfu file and it got failed because no firmware file was present. But 0x00000200 means fw_version.rom_version which coming from controller chip, however, I haven't seen this version on Atheros chipset.
>>>>>
>>>>> I'm adding my friend - Rick Huang here. He may help you out
>>>>>
>>>>> Hi Rick,
>>>>>
>>>>> Have you seen rom_version as 0x00000200?
>>>>>
>>>>>> Sumit
>>>>>> --
>>>>>> To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in
>>>>>> the body of a message to majordomo@xxxxxxxxxxxxxxx
>>>>>> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>>>>> Thanks
>>>>> -- Ben Kim
>>>>>
>>>> Yes, It's an MSI WS-60 Laptop, purchased two months ago in Australia. Is
>>>> there any other debugging information I need to pull for you?
>>>>
>>>> Sumit
>>>> --
>>>> To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in
>>>> the body of a message to majordomo@xxxxxxxxxxxxxxx
>>>> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>>> According to my colleague, it is not AR chip but QCA ROME core inside even though they're sharing same VID/PID with AR/QCA ROME(version 2). That's why you cannot bring up your card with ath3k driver. I knew it was not a good idea as it was early stage to develop the card so that next version of ROME USB card(v3.0 or v3.2) will use different PID/VID as you can see below.
>>>
>>> Can you follow up these instructions to see whether or not it can be addressed on your setup?
>>>
>>> --
>>> 1. put this code in drivers/bluetooth/btusb.c
>>>
>>> static const struct usb_device_id blacklist_table[] = {
>>> ...
>>>     /* QCA ROME chipset */
>>>     { USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME },
>>>     { USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME },
>>>     { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_QCA_ROME }, // <-- add new VID/PID here
>>> ...
>>>
>>> 2. Copy firmware files into /lib/firmware/qca
>>>  - nvm_usb_00000200.bin
>>>  - rampatch_usb_00000200.bin
>>> Those FW files won't be available on linux-firmware.git til today but it it will be available soon I believe.
>>> --
>>>
>>> Thanks
>>> -- Ben Kim
>>>
>>>  
>>>
>> Hi Ben,
>>
>> I added that line to my btusb.c; did a mrpropery, copied my .config back
>> into the source tree, disabled ATH3K in menucofnig, made the bzImage and
>> rebooted. The firmware you attached is in /lib/firmware/qca.
>>
>> I enabled debugging (FLAGS_btusb.o := -DDEBUG in the Makefile) so I
>> could get some more info, and discovered I also have to delete this line
>> or it will match the ath first:
>>
>> { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }
>>
>> So then I saw
>>
>> [    1.263991] usb 3-1.3: new full-speed USB device number 3 using ehci-pci
>> [    1.277022] usb 4-1.8: new full-speed USB device number 3 using ehci-pci
>> [    1.350050] usb 3-1.3: New USB device found, idVendor=0cf3,
>> idProduct=3004
>> [    1.350051] usb 3-1.3: New USB device strings: Mfr=0, Product=0,
>> SerialNumber=0
>> [    1.350461] intf ffff88041bf62400 id ffffffff81d83bc0
>> [    1.350462] BT Device Info 0
>> [    1.350463] BT Device Info (after matching) 32768
>> [    1.350466] In Rome Block
>> [    1.350546] input: ETPS/2 Elantech Touchpad as
>> /devices/platform/i8042/serio1/input/input10
>> [    1.350671] hci0
>> [    1.350879] Bluetooth: hci0: don't support firmware rome 0x200
>> [    1.364795] usb 4-1.8: New USB device found, idVendor=1770,
>> idProduct=ff00
>> [    1.364797] usb 4-1.8: New USB device strings: Mfr=1, Product=1,
>> SerialNumber=1
>> [    1.364798] usb 4-1.8: Product: MSI EPF USB
>> [    1.364799] usb 4-1.8: Manufacturer: MSI EPF USB
>> [    1.364800] usb 4-1.8: SerialNumber: MSI EPF USB
>>
>> So those BT Device Info statements I added in the probe function. "In
>> Rome Block" I added right after "if (id->driver_info & BTUSB_QCA_ROME) "
>> and you can see where that error comes from.
>>
>> And that comes from...oh it checks another table...okay so I added the
>> following to qca_device_info
>>
>>         { 0x00000200, 28, 4, 18 },
>>
>> and now I get;
>>
>> [    1.357942] intf ffff88041ba5bc00 id ffffffff81d83bc0
>> [    1.357943] BT Device Info 0
>> [    1.357944] BT Device Info (after matching) 32768
>> [    1.357946] In Rome Block
>> [    1.358113] hci0
>> [    1.358516] bluetooth hci0: Direct firmware load for
>> qca/rampatch_usb_00000200.bin failed with error -2
>> [    1.358517] Bluetooth: hci0: failed to request rampatch file:
>> qca/rampatch_usb_00000200.bin (-2)
>>
>> So progress. It's attempting to load the firmware and failing. Are those
>> the right numbers for the device_info block?
>>
>> Sumit
> Just remembered -2 is when it can't even find the firmware. But I think
> I have it installed right. Is this correct:
>
> catelyn linux # ls /lib/firmware/qca/ -l
> total 60
> -rw-r--r-- 1 root root  1859 Jun 17 18:07 nvm_usb_00000200.bin
> -rw-r--r-- 1 root root 54432 Jun 17 18:07 rampatch_usb_00000200.bin
>
> catelyn linux # sha256sum /lib/firmware/qca/*
> 50cddc73c1a7c90bb3338941785d46088374b2aebf5dd1679c23145e39ad5087 
> /lib/firmware/qca/nvm_usb_00000200.bin
> 7551fc3a01fe46514d4da265095aabf07371cf17418a9f238e51b0fc4e83cfc5 
> /lib/firmware/qca/rampatch_usb_00000200.bin
>

You did right thing. I cannot understand why driver couldn't access firmware file which is in /lib/firmware/qca. Did you check each folder has right permission to access?

Thanks
-- Ben Kim
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