Re: How to git and build HVR-2200 drivers from Kernel labs ?

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On Monday, August 15, 2011 09:09:53 pm Declan Mullen wrote:
> On Monday, August 15, 2011 09:28:44 am Devin Heitmueller wrote:
> > Only Steven can look at the schematic and know for sure what prompted
> > them to update to a new PCI ID.  However, you can definitely try doing
> > "card=4" and see if it works.
> > 
> > Card=9 won't work since that card number is not valid given the card
> > list in your driver.
> > 
> > Devin
> > 
> > On Sun, Aug 14, 2011 at 7:23 PM, Declan Mullen
> > 
> > <declan.mullen@xxxxxxxxxxx> wrote:
> > > On Sunday 14 August 2011 22:14:48 you wrote:
> > >> On Sun, Aug 14, 2011 at 5:21 AM, Declan Mullen
> > >> 
> > >> <declan.mullen@xxxxxxxxxxx> wrote:
> > >> > Hi
> > >> > 
> > >> > I've got a 8940 edition of a Hauppauge HVR-2200. The driver is
> > >> > called saa7164. The versions included in my OS (mythbuntu 10.10 x86
> > >> > 32bit, kernel 2.6.35-30) and from linuxtv.org are too old to
> > >> > recognise the 8940 edition. Posts #124 to #128 in the "Hauppauge
> > >> > HVR-2200 Tuner Install Guide" topic
> > >> > (http://www.pcmediacenter.com.au/forum/topic/37541-hauppauge-hvr-220
> > >> > 0- tun er- install-guide/page__view__findpost__p__321195) document
> > >> > my efforts with those versions.
> > >> > 
> > >> > So I wish to use the latest stable drivers from the driver
> > >> > maintainers, ie
> > >> > http://kernellabs.com/gitweb/?p=stoth/saa7164-stable.git;a=summary
> > >> > 
> > >> > Problem is, I don't know git and I don't know how I'm suppose to
> > >> > git, build and install it.
> > >> > 
> > >> > Taking a guess I've tried:
> > >> >  git clone git://kernellabs.com/stoth/saa7164-stable.git
> > >> >  cd saa7164-stable
> > >> >  make menuconfig
> > >> >  make
> > >> > 
> > >> > However I suspect these are not the optimum steps, as it seems to
> > >> > have downloaded and built much more than just the saa7164 drivers.
> > >> > The git pulled down nearly 1GB (which seems a lot) and the
> > >> > resultant menuconfig produced a very big ".config".
> > >> > 
> > >> > Am I doing the right steps or should I be doing something else to
> > >> > git, build and install  the latest drivers ?
> > >> > 
> > >> > Thanks,
> > >> > Declan
> > >> 
> > >> Hello Declan,
> > >> 
> > >> Blame Mauro and the other LinuxTV developers for moving to Git.  When
> > >> we had HG you could do just the v4l-dvb stack and apply it to your
> > >> existing kernel.  Now you have to suck down the *entire* kernel, and
> > >> there's no easy way to separate out just the v4l-dvb stuff (like the
> > >> saa7164 driver).  The net effect is it's that much harder for
> > >> end-users to try out new drivers, and even harder still for developers
> > >> to maintain drivers out-of-tree.
> > >> 
> > >> All that said, Ubuntu 10.10 deviates very little in terms of the
> > >> saa7164 driver.  What you have is probably already identical to what's
> > >> in the kernellabs.com tree.
> > >> 
> > >> And yes, PAL support is broken even in the kernellabs tree, so if that
> > >> was your motivation then updating to the current KL stable tree won't
> > >> help you.
> > >> 
> > >> Cheers,
> > >> 
> > >> Devin
> > > 
> > > Many thanks for the clarification about git.
> > > 
> > > The only reason why I'm attempting to use a newer saa7164 driver is
> > > because the driver in my ubuntu 10.10 (2.6.35-30, x86 32bit) doesn't
> > > recognise the 8940 edition of my HVR-2200  (and doesn't support the
> > > 
> > >  "card=9" option that I believe is specifically for the 8940 edition).
> > > 
> > > Example dmesg output:
> > >  $ dmesg | grep saa7
> > >  [   18.367431] saa7164 driver loaded
> > >  [   18.367467] saa7164 0000:02:00.0: PCI INT A -> GSI 16 (level, low)
> > >  ->
> > > 
> > > IRQ 16 [   18.367472] saa7164[0]: Your board isn't known (yet) to the
> > > driver. [   18.367473] saa7164[0]: Try to pick one of the existing card
> > > configs via [   18.367474] saa7164[0]: card=<n> insmod option. 
> > > Updating to the latest [   18.367475] saa7164[0]: version might help
> > > as well.
> > > 
> > >  [   18.367684] saa7164[0]: Here are valid choices for the card=<n>
> > > 
> > > insmod option: [   18.367739] saa7164[0]:    card=0 -> Unknown
> > > 
> > >  [   18.367789] saa7164[0]:    card=1 -> Generic Rev2
> > >  [   18.367840] saa7164[0]:    card=2 -> Generic Rev3
> > >  [   18.367891] saa7164[0]:    card=3 -> Hauppauge WinTV-HVR2250
> > >  [   18.367943] saa7164[0]:    card=4 -> Hauppauge WinTV-HVR2200
> > >  [   18.367995] saa7164[0]:    card=5 -> Hauppauge WinTV-HVR2200
> > >  [   18.368059] saa7164[0]:    card=6 -> Hauppauge WinTV-HVR2200
> > >  [   18.368112] saa7164[0]:    card=7 -> Hauppauge WinTV-HVR2250
> > >  [   18.368164] saa7164[0]:    card=8 -> Hauppauge WinTV-HVR2250
> > >  [   18.369142] CORE saa7164[0]: subsystem: 0070:8940, board: Unknown
> > > 
> > > [card=0,autodetected] [   18.369147] saa7164[0]/0: found at
> > > 0000:02:00.0, rev: 129, irq: 16, latency: 0, mmio: 0xfd400000 [
> > > 18.369152] saa7164 0000:02:00.0: setting latency timer to 64 [
> > > 18.369162] saa7164_initdev() Unsupported board detected, registering
> > > without firmware
> > > 
> > > To get this 8940 card working with my ubuntu 10.10 system,
> > > what would you recommend I try ?
> > > 
> > > Should I be trying to extract the new driver from what the above
> > > git and makes, ie just copy into place the new saa7164.ko file ?
> > > Or should my existing driver work if i use the card=4 option ?
> > > 
> > > Thanks,
> > > Declan
> > > --
> > > To unsubscribe from this list: send the line "unsubscribe linux-media"
> > > in the body of a message to majordomo@xxxxxxxxxxxxxxx
> > > More majordomo info at  http://vger.kernel.org/majordomo-info.html
> 
> Hi Devin
> 
> With respect to installing the new saa7164 driver (from
> kernellabs.com/stoth/saa7164-stable.git) into my ubuntu/mythbuntu 10.10
> system (x86 32bit kernel 2.6.35-30), assuming that I've already put the
> correct firmware in place, do I just replace my existing saa7164.ko with
> the new one created by the above make and reboot ? Or is there more to it
> ?
> 
> Thanks,
> Declan

I copied the new saa7164.ko to "/lib/modules/2.6.35-30-generic-
pae/kernel/drivers/media/video/saa7164/saa7164.ko" and rebooted. However the 
new saa7164.ko seems to be incompatible with my existing kernel, as dmesg now 
reports: "saa7164: disagrees about version of symbol module_layout"

So how do I get a 8940 edition of a HVR-2200 working with Ubuntu ?


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