Re: dbri and speakerbox on a SPARCstation 10

[Michael <macallan%netbsd.org@localhost>]

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Hello,

On Feb 9, 2010, at 2:07 PM, Chris Ross wrote:

>  I just updated an old SPARCstation 10 build machine (3 processors)  
> to netbsd-5.  Upon booting, I happened to notice:
>
> dbri0: speakerbox detected
> dbri0: cs4215 rev E found at offset 8
> audio0 at dbri0: full duplex, playback, capture, mmap
>
>  Now, while it's cool that the audio is supported, even if I don't  
> expect I'll use it, I find the first line odd.  I'm sure there isn't  
> a speakerbox on this machine.  I don't even remember which  
> incarnations of SPARC's used the little speakerboxes (18-20 years  
> ago), so maybe the 10 has an effective speakerbox in it that's being  
> detected, but I think the description, if not the fact, is somewhat  
> wrong.
>
>  Just curious, anyone know why that appears?

The DAC sits on a synchronous serial interface from the ISDN chip,  
according to the docs I have it's on different time slots when onboard  
or in a speakerbox so we check both. Supposedly offset 8 is for  
external and 0 for onboard - I think I'll just remove that printf.

have fun
Michael

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