Re: [PATCH] Improved support for Dual Digital 4 in v4l-dvb-experimental

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On 5/12/07, System Administrator <dburr@xxxxxxxxxxxxxx> wrote:
On Sat, 2007-05-12 at 03:23 +0200, Markus Rechberger wrote:
> > Regarding the firmware I believe that
> > for Australia we should be able to use any xc3028 firmware which will
work with
> > the board by appending, minus the first byte, my xc3028.au.fw file to
the 7MHz
> > firmware file and using that as the 7MHz file.  (ie we're probably not
tied to
> > firmware_v3.tgz if there's something better which will work with the
Dual
> > Digital 4).
>
> as far as I've seen there's some australia specific firmware
> available, so we're not going the wrong way.
> The problem is that we have no documentation about specific settings
> for your device. Daniel just took the firmware which he captured from
> the USB bus, which is the easiest solution to get a step forward. Next
> step would be to ask Dvico if they could send us the firmware
> hexfiles..

Hello Marcus,

This is not correct.  I have been using Roger's replacement version of
xc3028_DTV7_2633.i2c.fw (original file + xc3028.au.fw - 1 byte).  I was
experimenting with capturing my own firmware about a week ago but gave
that up when I was not making any progress.

Hi Daniel,

in case of the xc3028-tuner the base firmware is a mixture of "the
real base firmware" and device specific settings, in case of the
format specific firmwares there are extra firmwares for australia
available, I received a patch for adding full firmware 2.5 support for
Geniatech devices (in the end it won't help much for your device) and
read some comments about it in the code.

+       {BANDWIDTH_8_MHZ ,"xc3028_8MHz_init0.i2c.fw",
"xc3028_DTV78_2620.i2c.fw"     },//fw25 Germany,Spain
+//     {BANDWIDTH_8_MHZ ,"xc3028_8MHz_init0.i2c.fw",
"xc3028_DTV8_2620.i2c.fw"     },//fw25 UK, France
+       {BANDWIDTH_7_MHZ ,"xc3028_8MHz_init0.i2c.fw",
"xc3028_DTV78_2620.i2c.fw"     },//fw25 Germany,Spain
+//     {BANDWIDTH_7_MHZ ,"xc3028_8MHz_init0.i2c.fw",
"xc3028_DTV7_2620.i2c.fw"     },//fw25 Australia
+       {BANDWIDTH_6_MHZ ,"xc3028_init0.i2c.fw",
"xc3028_DTV6_QAM_2620.i2c.fw"},//fw25Taiwan


the problem are the device specific settings, not all manufacturers
will tell us the correct settings so this is the first specific part
we usually have.

you need to have some luck if you're able to get it work with some
other firmwares.

Anyway do you know the exact difference between DVB-T in Australia and
other countries?

Markus

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