Date: Fri, 20 Jan 2006 15:30:40 +0100
Message-ID: <s5hslrj7yzz.wl%tiwai@suse.de>
From: Takashi Iwai <tiwai@suse.de>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Lee Revell <rlrevell@joe-job.com>, Adrian Bunk <bunk@stusta.de>,
       linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org,
       perex@suse.cz
Subject: Re: [Alsa-devel] Re: RFC: OSS driver removal, a	slightly	different	approach
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At Fri, 20 Jan 2006 13:14:58 +0000,
Alan Cox wrote:
> 
> On Gwe, 2006-01-20 at 11:20 +0100, Takashi Iwai wrote:
> > BTW, I remember that there was a driver for native geode audio support
> > at the time of ALSA 0.5.x or earlier.  I must have the code somewhere
> > in my storage.  The porting would be much much harder than kaulha (sb 
> > emulation), though.
> 
> The two drivers cover different versions of the Kahlua firmware. VSA1
> was the original (at least AFAIK) firmware block. It provides SB16
> emulation but has no hooks for drivers to 'take over' properly as you
> really want to hook into SMI. VSA2 (the next gen firmware) had various
> changes and differences and Cyrix long ago released a rather icky but
> working 'native' driver for that.
> 
> I have the Cyrix public and most of the earlier NDA documentation if
> there are questions but I can't redistribute it.

The datasheet of CS5530A can be easily found on web, but not sure
whether it contains enough details since I've not looked throught
it.


Takashi
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