Re: wwan/iosm vs. xmm7360

[Florian Klink]

On 21-08-06 11:41:27, Jan Kiszka wrote:
> On 06.08.21 11:29, Kumar, M Chetan wrote:
> > Hi Jan,
> >
> > What is the context of this request ?
>
> The context is that there are many folks out there (me included - Lenovo
> P52) with devices that have the xmm-7360 built-in, can't switch it to
> USB mode (prevented by OEM), and currently require [1]. That kind of
> works but is not really the final solution. So I also kicked off [2] there.

It also seems the 7560 card doesn't show up in my X13 AMD (Gen 1) at all
- so even if I'd "upgrade" that card, I couldn't use it.

> I know. I'm not an expert on the details, but reading the overall
> architectures of the IOSM and what has been reverse-engineered for the
> 7360, there seem to be some similarities. So, maybe you can explain to
> the community if that is a reasonable path to upstream 7360 support, or
> if at least the pattern of the 7560 could/should be transferred to the
> 7360 driver.

Very curious about this as well - they might share some code at lest, if
not even the driver?

Regards,
Florian

> Thanks,
> Jan
>
> [2] https://github.com/xmm7360/xmm7360-pci/issues/104
>
> > Regards,
> > Chetan
> >
> > On 8/6/2021 2:09 AM, Jan Kiszka wrote:
> > > Hi Chetan,
> > >
> > > at the risk of having missed this being answered already:
> > >
> > > How close is the older xmm7360 to the now supported xmm7560 in mainline?
> > >
> > > There is that reverse engineered PCI driver [1] with non-standard
> > > userland interface, and it would obviously be great to benefit from
> > > common infrastructure and specifically the modem-manager compatible
> > > interface. Is this realistic to achieve for the 7360, or is that
> > > hardware or its firmware too different?
> > >
> > > Thanks,
> > > Jan
> > >
> > > [1] https://github.com/xmm7360/xmm7360-pci
>
> --
> Siemens AG, T RDA IOT
> Corporate Competence Center Embedded Linux

--
Florian Klink