[wdmaudiodev] Re: Problems accessing HD Audio as a sound device in XPSP3
- From: Preston <prestonfick@xxxxxxxxx>
- To: wdmaudiodev@xxxxxxxxxxxxx
- Date: Sun, 29 Mar 2009 01:37:31 -0500
I have solved this problem. It had to do with the INF file - instead of
trying to add my device into the sample INFs I pulled the actual hdaudio.inf
file from the SP3 release, added my device and used that as the starting
point.
On Mon, Mar 23, 2009 at 12:54 AM, Preston <prestonfick@xxxxxxxxx> wrote:
> I have gotten to a point where I can send and receive all verbs to the
> codec, initialize and even use a the DMA (to play a wave file read directly
> into memory for now) on my HD Audio device, and I'm back to the problem of
> exposing the top side of this driver.
>
> Currently I am loading based on all of the recommended startup
> sequences<http://msdn.microsoft.com/en-us/library/ms790534.aspx>and subdevice
> creations <http://msdn.microsoft.com/en-us/library/ms790400.aspx> for the
> port class driver using a Topology miniport and (now decided based on HD
> Audio documentation<http://msdn.microsoft.com/en-us/library/ms790324.aspx>)
> WaveCyclic miniport. I don't get anything but STATUS_SUCCESS from any of
> these functions during bringup , and it looks good when stepping through.
>
> I do know that I never receive a callback (which occurs in the MSVAD stock
> sample) PropertyHandler_WaveFilter which is defined to be used here (pulled
> from MSVAD sample):
>
>
> //=============================================================================
> static
> PCPROPERTY_ITEM PropertiesWaveFilter[] =
> {
> {
> &KSPROPSETID_General,
> KSPROPERTY_GENERAL_COMPONENTID,
> KSPROPERTY_TYPE_GET | KSPROPERTY_TYPE_BASICSUPPORT,
> PropertyHandler_WaveFilter
> },
> {
> &KSPROPSETID_Pin,
> KSPROPERTY_PIN_PROPOSEDATAFORMAT,
> KSPROPERTY_TYPE_SET | KSPROPERTY_TYPE_BASICSUPPORT,
> PropertyHandler_WaveFilter
> }
> };
>
> DEFINE_PCAUTOMATION_TABLE_PROP(AutomationWaveFilter, PropertiesWaveFilter);
>
>
> //=============================================================================
>
> I am missing something here, but I feel that I understand logically how
> this is supposed to work. I've read as much on MSDN, this list and Google as
> I can. I've scoured the INF to ensure that everything is correct, and played
> around with different things like security and double checked to ensure
> GUIDs are correct. I feel like I've expired as many options as possible, so
> if anyone might have any advice on what the culprit might be it would really
> help.
>
> Thanks!
> Preston
>
> On Thu, Mar 12, 2009 at 7:20 PM, Preston wrote:
>
>> I am a developer with mostly USB device driver experience and am currently
>> writing an HD Audio driver for XPSP3 for an HD Audio codec. The device works
>> in Vista with the inbox UAA/HD Audio class driver.
>>
>> I began with the AC97 sample, and was able to get it to load and
>> communicate with the codec through the verbs and get information/resource
>> interfaces. However it was not exposing itself to Sound/Device Properties as
>> an available default sound device.
>>
>> At this point I figured something wasn't right with AC97, so I baselined
>> off of the MSVAD Simple driver. This installs fine from the WDK and comes up
>> as an available device I can actually stream something to, so I modified it
>> for my use. However, I am seeing the same problem.
>>
>> If I use the MSVAD Simple driver, but only modify the INF to contain my
>> Hardware ID, it loads with no errors (DriverEntry/AddDevice/StartDevice),
>> however its still not available as a sound device. I am still able to add in
>> code to talk with the HD Audio Codec without problems. It seems like the
>> step I am missing is simple and have tried anything I can think of with no
>> positive results.
>>
>> I'm planning on developing this driver using WavePCI, and I have gone
>> through and drawn out my topologies - so I have a good start, but in order
>> to proceed I need a little help in the bring-up. Any advice would be great.
>>
>> Developing using:
>> Debugger machine running XPSP3 w/WDK 6001.18002
>> Debugee machine running XPSP3 w/all Windows Updates - using the HD Audio
>> Link on an Intel MB.
>>
>> Kind Regards -
>> Preston
>>
>
>
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