[RFT] Major snd_hda rewrite

[Yuri Pankov]

On Wed, Jan 11, 2012 at 09:33:17PM +0200, Alexander Motin wrote:
> Hi.
> 
> I would like request for testing of my work on further HDA sound driver 
> improvement.
[...]
> Patch can be found here:
> http://people.freebsd.org/~mav/hda.rewrite.patch
> 
> Patch was generated for 10-CURRENT, but should apply to fresh 9-STABLE 
> and 8-STABLE branches also.

Patch applied cleanly to r230008 using `svn patch`.

hdacc0: <NVidia GT220 HDA CODEC> at cad 0 on hdac0
hdaa0: <NVidia GT220 HDA CODEC Audio Function Group> at nid 1 on hdacc0
pcm0: <NVidia GT220 HDA CODEC PCM (DisplayPort 8ch)> at nid 5 on hdaa0
hdacc1: <NVidia GT220 HDA CODEC> at cad 1 on hdac0
hdaa1: <NVidia GT220 HDA CODEC Audio Function Group> at nid 1 on hdacc1
pcm1: <NVidia GT220 HDA CODEC PCM (DisplayPort 8ch)> at nid 5 on hdaa1
hdacc2: <NVidia GT220 HDA CODEC> at cad 2 on hdac0
hdaa2: <NVidia GT220 HDA CODEC Audio Function Group> at nid 1 on hdacc2
pcm2: <NVidia GT220 HDA CODEC PCM (DisplayPort 8ch)> at nid 5 on hdaa2
hdacc3: <NVidia GT220 HDA CODEC> at cad 3 on hdac0
hdaa3: <NVidia GT220 HDA CODEC Audio Function Group> at nid 1 on hdacc3
pcm3: <NVidia GT220 HDA CODEC PCM (DisplayPort 8ch)> at nid 5 on hdaa3
hdacc4: <IDT 92HD75BX HDA CODEC> at cad 0 on hdac1
hdaa4: <IDT 92HD75BX HDA CODEC Audio Function Group> at nid 1 on hdacc4
pcm4: <IDT 92HD75BX HDA CODEC PCM (Analog)> at nid 13 and 11 on hdaa4
pcm5: <IDT 92HD75BX HDA CODEC PCM (Analog)> at nid 15 and 24 on hdaa4
pcm6: <IDT 92HD75BX HDA CODEC PCM (Front Digital)> at nid 30 on hdaa4


pcm4 (builtin speakers) and pcm5 (headphones) seem to work fine, however
I'm not getting anything out of pcm0-pcm3 (connected to a TV via HDMI),
mplayer just pauses at the beggining, trying to cat anything to
/dev/dsp{0-3}.0 gives:

pcm0: chn_write(): pcm0:virtual:dsp0.vp0: play interrupt timeout, channel dead

It was the same with the old driver and I'm not sure if it's (most
likely) my misconfiguration or a driver problem.


Thanks,
Yuri