linux-kernel - REPOST: Questions abount driver development and Geniatech X9320 DVB-S/S2 PCIe Tuner

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Message-ID: <0a4118812999952ca41f3e5deb095c43@pe2mbs.nl>
Date:   Thu, 05 Nov 2020 09:02:09 +0100
From:   m.bertens@...mbs.nl
To:     Linux Kernel <linux-kernel@...r.kernel.org>,
        Linux Media <linux-media@...r.kernel.org>
Subject: REPOST: Questions abount driver development and Geniatech X9320
 DVB-S/S2 PCIe Tuner

-------- Original Message --------
Subject: Questions abount driver development and Geniatech X9320 
DVB-S/S2 PCIe Tuner
Date: 2020-11-02 10:38
 From: m.bertens@...mbs.nl
To: Linux Media <linux-media@...r.kernel.org>

Hi,

I'm trying to get Geniatech X9320 DVB-S/S2 PCIe Quad Tuner card working,
but i'm new to linux kernel drivers developement

It has a similar hardware configuration as TechnoTrend TT-connect 
S2-4600
* D720201    USB host controller
* cy68013A   USB bridge (4x)
* m88ds3103  Demodulator (4x)
* m88ts2022  Tuner (4x)

As it seems to me all components are supported by Linux, but they are 
for another device.

I have taken a look in the dw2102.c driver source code, and I see that 
there is firmware
loaded, my question is: where is this firmware going?: into the cy68013A 
or m88ds3103 chips?
or somewhere else?.

I looked at the site Geniatech, but even that they say there is a Linux 
driver
in the archive the actual implementation is not there.

I hope that there is anyone how can help me to get this card working 
under Linux.

Kind regards,

Marc Bertens-Nguyen
PE2MBS