On Sun, 2010-03-21 at 23:05 -0400, Darren Blaber wrote:
> Andy Walls wrote:
> > On Thu, 2010-03-04 at 20:51 -0500, Darren Blaber wrote:
> >
> > > Andy Walls wrote:
> > >
> > > > > > > Hello,
> > > > > > >
> > > > > > > I recently bought a HVR-1600 PCI card, and after playing with it for quite a
> > > > > > > while, it seems I have come to the conclusion that audio does not work
> > > > > > > unless I start in windows first, then reboot back into linux. I am using the
> > > > > > >
> > > > > > > latest cx18 driver from http://linuxtv.org/hg/v4l-dvb/ . Its almost like the
> > > > > > > card needs windows to initialize before it will work in linux. I believe to
> > > > > > > be using the latest firmware, I grabbed it from
> > > > > > >
> > > > > > > http://linuxtv.org/downloads/firmware/v4l-cx23418-apu.fw [.along with the
> > > > > > > rest of firmware files]. Is there anything I can do to debug this problem?
> > > > > > >
> >
> > Darren,
> >
> > Could you please try the cx18 driver at this repository:
> >
> > http://linuxtv.org/hg/~awalls/cx18-audio
> >
> > ?
> >
> > In two patches, I've reworked when the audio detection microcontroller's
> > soft and hard resets are asserted.
> >
> > If those two patches don't seem to work, please change
> > linux/drivers/media/video/cx18/cx18-av-core.h
> >
> > #define CXADEC_AUDIO_SOFT_RESET 0x810
> >
> > to be
> >
> > #define CXADEC_AUDIO_SOFT_RESET 0x9cc
> >
> > and then see if the patches work. (I've got some conflicting
> > information on which register is actually the soft reset register.)
> >
> >
> > I haven't tested any of this, as I don't have an analog RF signal handy
> > ATM.
> >
> > Regards,
> > Andy
> >
> >
> >
> Hello, I tried your repo, and tried modifying the registers. Default,
> the 0x810 seems to make no difference with the audio. When changing
> the register to point to 0x9cc, the tuner outputs a blank signal,
> completely black.
Well, that shouldn't have happened. My changes only muck with broadcast
audio detection.
I may have some time to start experimenting with my DTV set top box
today (my only RF analog source). It's RF signal is incredibly clean
and strong, so I may not be able to reporduce your problem with audio,
but I should be able to see if I broke anything.
> One thing I noticed is that CXADEC_GENERAL_CTL and
> CXADEC_AUDIO_SOFT_RESET point to the same register. Is this intended?
> Thanks.
> #define CXADEC_GENERAL_CTL 0x810
> #define CXADEC_AUDIO_SOFT_RESET 0x810
Yes. Leave CXADEC_GENERAL_CTL alone. Change CXADEC_AUDIO_SOFT_RESET to
0x9cc if experimenting.
Regards,
Andy
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> Andy Walls wrote:
> > On Thu, 2010-03-04 at 20:51 -0500, Darren Blaber wrote:
> >
> > > Andy Walls wrote:
> > >
> > > > > > > Hello,
> > > > > > >
> > > > > > > I recently bought a HVR-1600 PCI card, and after playing with it for quite a
> > > > > > > while, it seems I have come to the conclusion that audio does not work
> > > > > > > unless I start in windows first, then reboot back into linux. I am using the
> > > > > > >
> > > > > > > latest cx18 driver from http://linuxtv.org/hg/v4l-dvb/ . Its almost like the
> > > > > > > card needs windows to initialize before it will work in linux. I believe to
> > > > > > > be using the latest firmware, I grabbed it from
> > > > > > >
> > > > > > > http://linuxtv.org/downloads/firmware/v4l-cx23418-apu.fw [.along with the
> > > > > > > rest of firmware files]. Is there anything I can do to debug this problem?
> > > > > > >
> >
> > Darren,
> >
> > Could you please try the cx18 driver at this repository:
> >
> > http://linuxtv.org/hg/~awalls/cx18-audio
> >
> > ?
> >
> > In two patches, I've reworked when the audio detection microcontroller's
> > soft and hard resets are asserted.
> >
> > If those two patches don't seem to work, please change
> > linux/drivers/media/video/cx18/cx18-av-core.h
> >
> > #define CXADEC_AUDIO_SOFT_RESET 0x810
> >
> > to be
> >
> > #define CXADEC_AUDIO_SOFT_RESET 0x9cc
> >
> > and then see if the patches work. (I've got some conflicting
> > information on which register is actually the soft reset register.)
> >
> >
> > I haven't tested any of this, as I don't have an analog RF signal handy
> > ATM.
> >
> > Regards,
> > Andy
> >
> >
> >
> Hello, I tried your repo, and tried modifying the registers. Default,
> the 0x810 seems to make no difference with the audio. When changing
> the register to point to 0x9cc, the tuner outputs a blank signal,
> completely black.
Well, that shouldn't have happened. My changes only muck with broadcast
audio detection.
I may have some time to start experimenting with my DTV set top box
today (my only RF analog source). It's RF signal is incredibly clean
and strong, so I may not be able to reporduce your problem with audio,
but I should be able to see if I broke anything.
> One thing I noticed is that CXADEC_GENERAL_CTL and
> CXADEC_AUDIO_SOFT_RESET point to the same register. Is this intended?
> Thanks.
> #define CXADEC_GENERAL_CTL 0x810
> #define CXADEC_AUDIO_SOFT_RESET 0x810
Yes. Leave CXADEC_GENERAL_CTL alone. Change CXADEC_AUDIO_SOFT_RESET to
0x9cc if experimenting.
Regards,
Andy
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