[linux-dvb] Mantis 2033 dvb-tuning problems

Ernst Persson ernstp at gmail.com
Thu Oct 23 21:19:40 CEST 2008


Hi,

this sounds like exactly my problem! I have a TwinHan / AzureWave
AD-CP400 CI DVB-C
with a Conax CA module and I'm using the ComHem network also. Will try
out the patch soon!

I don't know which tuner is in the CP400 but this is what it detects:

[   12.453080]     Mantis Rev 1 [1822:0043], irq: 20, latency: 32
[   12.453082]     memory: 0xfdbff000, mmio: 0xf88b2000
[   12.456000]     MAC Address=[00:08:ca:1c:65:a0]
[   12.456033] mantis_alloc_buffers (0): DMA=0x36280000 cpu=0xf6280000
size=65536
[   12.456038] mantis_alloc_buffers (0): RISC=0x378ec000
cpu=0xf78ec000 size=1000
[   12.456041] DVB: registering new adapter (Mantis dvb adapter)
[   12.473335] lirc_dev: lirc_register_plugin: sample_rate: 0
[   12.477293] lirc_mceusb2[2]: Philips eHome Infrared Transceiver on usb2:2
[   12.477344] usbcore: registered new interface driver lirc_mceusb2
[   12.972617] mantis_frontend_init (0): Probing for CU1216 (DVB-C)
[   12.974710] mantis_frontend_init (0): found Philips CU1216 DVB-C
frontend (TDA10023) @ 0x0c
[   12.974713] mantis_frontend_init (0): Mantis DVB-C Philips CU1216
frontend attach success
[   12.974718] DVB: registering frontend 0 (Philips TDA10023 DVB-C)...
[   12.974868] mantis_ca_init (0): Registering EN50221 device
[   12.974958] mantis_ca_init (0): Registered EN50221 device
[   12.974970] mantis_hif_init (0): Adapter(0) Initializing Mantis
Host Interface
[   14.106576] dvb_ca adapter 0: DVB CAM detected and initialised successfully

regards
/Ernst

On Thu, Oct 23, 2008 at 15:13, Mårten Gustafsson <reklam at holisticode.se> wrote:
>
> Nikke
>
> I tried your patch, and it "improve" things a bit. Kaffeine is able to scan
> a few channels now without any entries in /var/log/messages. w_scan finds a
> few frequencies, but no services. Scan results are different between scans.
> w_scan works "better" if timeout settings are increased.
>
> The channels found by Kaffeine are not viewable, there is something moving,
> but I guess the driver is unable to descramble the signal.
>
> My system is an Ubuntu 8.10 amd64. The network is ComHem and the CI is from
> Conax. I also have the AzureWave AD-CP300.
>
> Since this is an improvement I agree with you, Manu should apply the patch.
>
> Mårten
>
> -----Ursprungligt meddelande-----
>
>
> =================================================
> On Wed, 15 Oct 2008, Hans Bergersen wrote:
>
> > Hi,
> >
>
> > I have got a Twinhan vp-2033 based card. I run Ubuntu 8.04. I have
> > downloaded the driver from http://jusst.de/hg/mantis and it compiled
> > just fine. But when i try to tune a channel the tuning fails. It is
> > a newer card with the tda10023 tuner but when the driver loads it
> > uses the tda10021. What do I have to do to make it use the right
> > tuner? Can i give some options when compiling or when loading the
> > module?
> <snip>
> > Any ideas?
>
> Try the attached patch which fixes this for my Azurewave AD-CP300 (at
> least last time I compiled it).
>
> I've sent it to Manu and he was going to apply it, but it hasn't shown
> up on http://jusst.de/hg/mantis/ yet...
>
>
> /Nikke
> --
> -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
>  Niklas Edmundsson, Admin @ {acc,hpc2n}.umu.se      |     nikke at acc.umu.se
> ---------------------------------------------------------------------------
>  "I don't believe it. There are no respected plastic surgeons." - Logan
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
> -------------- next part --------------
>
> Fix tda10021 to not claim tda10023.
>
> Previously mantis_frontend_init() relied on the PCI ID alone, this
> causes trouble when a card has a different chip depending on
> the manufacturing date. This match makes it work with newer
> Azurewave AD-CP300 cards while (hopefully) maintaining compatibility
> with older cards.
>
>
>
> _______________________________________________
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> linux-dvb at linuxtv.org
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