Hercules Game Theater - cs4630

[Benny Sjostrand <gorm@cucumelo.org>]

  My first thought was that it would be a easy match to make the
Hercules Game Theater XP sound card work on Linux. My goal is to make
the SPDIF IN-OUT interface work, and the multichannel PCM improving the
current alsa cs46xx driver, and then go on with other advanced codec
stuffs (hopefully finish before i die ...)
Now a couple of days browsing the alsa source code and reading a lot
of borring HW datasheet of must all Cirrus CS4xxx chips it just dont
feel possible to find any easy solution.
In the Cirrus collection of manuals and datasheet i have found a lot
HW specifications and reference design documents for the CS4630 chip,
and the codecs CS4694, CS4697 and so on. But what about the programmers
guide, does it not exist any open document like "CS4630 Programmers
Manual", or something similar, where it explain how to program the DSP
?? or is that not public ???
Then i've sent mail to Cirrus and Hercules, of course without any
response (yet) ....

I supose that people from the alsa-group has alreayd gone throw
those issues, please maybe if you help me, where i find related
documents about the CS430 chip, that can provide me necesary information
to go on with the ALSA-driver.

Thanks!

/Benny





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