What causes bus_alloc_resource() to fail?
Daniel Eischen
deischen at freebsd.org
Wed Jul 12 12:06:11 UTC 2006
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@ 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
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