Hi Sebastian, >>>>>> The Nokia devices require the setup of its Public Bluetooth Device >>>>>> Address and for that it is required to depend on vendor specific >>>>>> commands. For Broadcom based Nokia devices, that is part of btbcm >>>>>> module and can be selected via BT_BCM config option. >>>>>> >>>>>> Signed-off-by: Marcel Holtmann <marcel@xxxxxxxxxxxx> >>>>> >>>>> Reviewed-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxxxx> >>>> >>>> btw. we need to also provide the set_bdaddr for TI chips. >>> >>> The TI based chip in Nokia N950 has a proper address configured, so >>> it works without set_bdaddr (it would still be nice of course). It >>> also seems to be missing for hci_ll, though. So the required command >>> is completly unknown? >> >> are these a TI address or a Nokia address? I doubt Nokia would >> have actually shipped any hardware using an IEEE assigned address >> to TI. > > I can check this later. > >> Where do we have the firmware files for the Nokia devices? > > For N950 I extracted it out of the following rpm: > > http://repo.merproject.org/obs/nemo:/devel:/hw:/ti:/omap3:/n950-n9/latest_armv7hl/src/ti-wl1273-bt-firmware-0.23-1.2.Nemo.Adaptation.N950.N9.src.rpm > >> Don't they contain a command for setting the BD_ADDR. > > I did not check, since the firmware file is not device > specific as far as I know. doen't matter since the old Nokia written driver hacked it from a sysfs file and the address came from the secure flash area. >> Also the original Nokia driver had code to re-write that command >> inline while loading the firmware. > > The address injection happens in hardware specific code (stock driver > supports TI, Broadcom & CSR). In opposit to Broadcom and CSR the TI > specific one does not change the address: > > https://github.com/nemomobile/kernel-adaptation-n950-n9/blob/master/drivers/bluetooth/hci_h4p/fw-ti1273.c As far as I know they rewrite the Write BD_ADDR command of each vendor at the time before they send to the hardware. Regards Marcel -- 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
