Re: What causes bus_alloc_resource() to fail?

From: Daniel Eischen <deischen_at_freebsd.org>
Date: Wed, 12 Jul 2006 08:06:09 -0400 (EDT)
On Wed, 12 Jul 2006, Alexander Leidinger wrote:

> Quoting Daniel Eischen <eischen_at_vigrid.com> (from Wed, 12 Jul 2006 00:07:11 
> -0400 (EDT)):
>
>> I'm trying to add support for an ICH7-based audio device, but
>> bus_alloc_resource_any() is failing when it tries to allocate
>> the memory IO space.
>
> My answer is off-topic to your question, but on-topic to what you try to 
> achieve.
>
> Are you sure the ICH7-based audio device is using the ac97 interface and not 
> the HDA interface (hardware development decission, can't be changed with 
> software)? If you are not sure I suggest to try to get this information 
> somewhere. If it is using the HDA interface, your approach will never work. I 
> suggest to have a look into the multimedia_at_ archive and search for HDA mails 
> in this case.

I dunno.  I know there is a Sigmtel 92xx chip in there somewhere,
if that helps...

-- 
DE
Received on Wed Jul 12 2006 - 10:06:11 UTC

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