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Re: saa7134, help with integrated remote!




Am Freitag, den 26.06.2009, 23:53 +0200 schrieb hermann pitton:
> Hi Vikraman,
> 
> Am Donnerstag, den 25.06.2009, 22:38 +0530 schrieb Vikraman Choudhury: 
> > Hi, I have an analog TV tuner card (Enter 210-TV --
> > http://www.entermultimedia.com/tv_tuner_internal.html) with a Philips
> > SAA7134 chipset.
> > I can tune to all channels (PAL) by loading the module saa7134 passing
> > card=106 (card=3,10,42 , tuner=37,69 also work), and get audio using the
> > line-in cable.
> > However, I can't get the integrated ir remote to work, using any of the
> > above options. The device saa7134 IR is detected as /dev/input/event7, but
> > cat /dev/input/event7 either doesn't show any output or spits out the same
> > code repeatedly (without the remote pressed). I understand this means that
> > the card is not the model passed as argument. But, is there any possible way
> > to find the correct card= and tuner= configuration ?
> > 
> > System: Gentoo 2008.0 with vanilla-sources 2.6.30 CFLAGS="-O2
> > -march=pentium4 -pipe -fomit-frame-pointer" CHOST="i686-pc-linux-gnu"
> > 
> > Output from dmesg (options saa7134 card=106 in /etc/modprobe.conf) :
> > [    3.210960] saa7130/34: v4l2 driver version 0.2.15 loaded
> > [    3.211039] saa7134 0000:01:00.0: PCI INT A -> GSI 18 (level, low) -> IRQ
> > 18
> > [    3.211048] saa7130[0]: found at 0000:01:00.0, rev: 1, irq: 18, latency:
> > 32, mmio: 0xe8000000
> > [    3.211057] saa7130[0]: subsystem: 1131:0000, board: 10MOONS TM300 TV
> > Card [card=116,insmod option]
> > [    3.211077] saa7130[0]: board init: gpio is 17f00
> > [    3.211177] input: saa7134 IR (10MOONS TM300 TV Ca as
> > /devices/pci0000:00/0000:00:1e.0/0000:01:00.0/input/input6
> > [    3.211247] IRQ 18/saa7130[0]: IRQF_DISABLED is not guaranteed on shared
> > IRQs
> > [    3.312299] saa7130[0]: Huh, no eeprom present (err=-5)?
> > [    3.328111] tuner 1-0061: chip found @ 0xc2 (saa7130[0])
> > [    3.330042] tuner-simple 1-0061: creating new instance
> > [    3.330048] tuner-simple 1-0061: type set to 37 (LG PAL (newer TAPC
> > series))
> > [    3.336196] saa7130[0]: registered device video0 [v4l2]
> > [    3.336224] saa7130[0]: registered device vbi0
> 
> we have lots of cards without eeprom like yours, especially with saa7130
> chips and you can't tell much about them without having them.
> 
> For all the old tuners on them it is the same, if you don't look them
> up, but tuner=69 covers a lot of them. Tuner=37 might fail on UHF I
> guess.
> 
> If you boot without forcing any other card previously, the gpio init of
> the card is the only thin trace to something it might have in common
> with others already or makes it unique.
> 
> For "board init: gpio is 17f00" I seem not to find any trace in the
> archives and also not on the bttv-gallery.
> 
> If the gpio init stays unchanged, you likely have to do the remote
> support yourself.
> 
> If you can identify an IR micro controller on the board with connections
> to the gpio pins of the saa7130, you might find it on the
> http://www.bttv-gallery.de already on other cards too.
> 
> The pinning of the saa7130 is available from Philps/NXP and links to
> such information can be found on the wiki.
> 
> Also some instructions about how to get such stuff working.
> 
> Basically you start with a mask_keycode 0x0 for a device in
> saa7134-input.c you are using to see all activity caused by the remote
> on the gpio pins. Then you try to find the keydown/up button and further
> all other gpios in use to get unique code for each button.
> 
> Recent remotes are often more tricky, but for now I would not expect
> those on your hardware.
> 
> BTW, we changed to linux-media@xxxxxxxxxxxxxxxx
> 
> Cheers,
> Hermann
> 

Hello hermann pitton,

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  Vikraman Choudhury


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-------------

That is of course the opposite of that what works here.

Please stay away from further support requests and don't ask for my time
ever again ;)

Cheers,
Hermann






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