RE: [PATCH v2] Bluetooth: hci_qca: Add support for Qualcomm Bluetooth SoC QCA2066

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Steve, sorry I does not know why I can not send out the email as have some warning  , so I removed the code part, you can refer to my inline comments.

Regards.
Tim

>This patch adds support for QCA2066 firmware patch and nvm downloading.

Is this actually correct?  I ask because here I have the WCN6855 in the Lenovo Thinkpad X13s, and when attempting to use this driver, I end up with a board id of 08c, and according to the firmware, we should have a board id of b8c.

[Tim] correct, I does not know where you get the WCN6855 firmware, for our side, we will use different name rule for android and linux , for android , we will add "b" in the front of board id, for linux we will not add this bit.

I'm not sure how to phrase this, and just thinking out loud - if the qca2066 is the same as the wcn6855, just with an additional antenna, perhaps there should be some way to indicate it?  In my patchset, I had a print of the name "Setting up wcn6855" and locally, I combined your patch with mine, although dropping the above qca2066 hunks in favor of my already written wcn6855 hunks, and then combined the two in the print so it says "Setting up qca2066/wcn6855" - is there any way to differentiate between what qti considers a qca2066 and what is considered the wcn6855?
[Tim] steve ,as I mentioned previously, we have different board id  for qca2066 and wcn6855 , and then which will use different nvm config files based on board id.

Below is dmesg output, and so if we go by the wifi device check, we end up seeing that we get

chip_id 0x2
chip_family 0xb
board_id 0x8c
soc_id 0x400c0210

[    9.724834] ath11k_pci 0006:01:00.0: chip_id 0x2 chip_family 0xb board_id 0x8c soc_id 0x400c0210
[    9.724850] ath11k_pci 0006:01:00.0: fw_version 0x110b196e fw_build_timestamp 2022-12-22 12:54 fw_build_id WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.23
[    9.742346] ath11k_pci 0006:01:00.0: failed to fetch board data for bus=pci,vendor=17cb,device=1103,subsystem-vendor=17cb,subsystem-device=0108,qmi-chip-id=2,qmi-board-id=140 from ath11k/WCN6855/hw2.1/board-2.bin
[    9.742358] ath11k_pci 0006:01:00.0: failed to fetch board.bin from WCN6855/hw2.1
[    9.742361] ath11k_pci 0006:01:00.0: qmi failed to fetch board file: -2
[    9.742363] ath11k_pci 0006:01:00.0: failed to load board data file: -2

But with your driver (mine too for that matter, but then it's just doing the same bid bits)...

[    9.081003] Bluetooth: hci0: Frame reassembly failed (-84)
[    9.141992] Bluetooth: hci0: QCA Product ID   :0x00000013
[    9.141999] Bluetooth: hci0: QCA SOC Version  :0x400c0210
[    9.142003] Bluetooth: hci0: QCA ROM Version  :0x00000201
[    9.142007] Bluetooth: hci0: QCA Patch Version:0x000038e6
[    9.170612] Bluetooth: hci0: QCA controller version 0x02100201
[    9.170620] Bluetooth: hci0: QCA Downloading qca/hpbtfw21.tlv


[    9.760537] Bluetooth: hci0: QCA board ID len 2,id = 0 8c
[    9.760547] Bluetooth: hci0: QCA Downloading qca/hpnv21.08c
[    9.760638] bluetooth hci0: Direct firmware load for qca/hpnv21.08c failed with error -2
[    9.760640] Bluetooth: hci0: QCA Failed to request file: qca/hpnv21.08c (-2)
[    9.760643] Bluetooth: hci0: QCA Failed to download NVM (-2)

Is there another way to check the board id or board family?  Because it's not coming up with the correct one here.
[Tim] as my comments above, read board id way is correct, only we have different name rule for android and linux .

--steev




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