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Re: License of old broadcom BT firmwares and WiFi calibration files

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+ linux-wireless
+ Hans de Goede


On December 16, 2023 9:14:48 PM Svyatoslav Ryhel <clamor95@xxxxxxxxx> wrote:

сб, 16 груд. 2023 р. о 21:57 Arend van Spriel
<arend.vanspriel@xxxxxxxxxxxx> пише:

On 12/16/2023 6:45 PM, Svyatoslav Ryhel wrote:
Greetings!

I am trying to submit bluetooth firmwares (BCM4329B1.*,*.hcd and
BCM4330B1.*,*.hcd) and wifi calibration files
(brcmfmac4329-sdio.*,*.txt and brcmfmac4329-sdio.*,*.txt) from a few
Tegra 2 and Tegra 3 based devices into linux-fimware.

I have faced ambiguous license issue since those files were part of
Android Images of different vendors. Those vendors did not provide a
license nor for android images, not for these files.

Maybe you can clarify licensing of these files and you can suggest a
way they could be accepted into linux-firmware?

Basically, the firmware files in linux-firmware fall under the license
conditions that are in the repository. This means the firmware you want
to submit would get a different license. The main reason is that the
license in linux-firmware allows redistributing the firmware files which
is an important aspect for linux distro maintainers.

So the device vendors would have to give their blessing. For these old
chipsets they probably got it from Broadcom. I never had much contact
with BT side so not sure who to contact about this.

So even though those files are built from Broadcom sources they still
fall under device vendor licensing? Or am I misunderstanding
something? I have to contact the vendor of each device for a licence
regarding those files?

If you only have the binary firmware files it is hard to say. Can you refer to a public repository where these can be found?


Regarding the calibration files it is a bit awkward. There is a
precedent as these have been published by community under GPL license.
Broadcom never released those as they are board specific and the device
vendor should provide them. So maybe you can submit those without any issue.

So I may modify them with a GPL license header and pretend this is how it was?
Looks like an affair but alright.

Well. Most if not all have been submitted by Hans de Goede so maybe he can advice how to go about with this.

Regards,
Arend



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