[mythtv-users] Tale of two Tuners Hauppauge HVR-1250 Kworld ATSC 115

[Patrick Oglesby]

On Sat, Jun 25, 2011 at 3:07 AM, Mir Islam <mislam at mirislam.com> wrote:
> Hi, I recently added a Hauppauge WintV-HVR-1250 tuner to my MythBuntu
> box. I already had Kworld ATSC 115 tuner which has been working fine.
> However I can't get the new tuner to work. The tuner is getting
> recognized during boot time. But giving an error in initializing
> frontend. As per some suggestions on ubuntuforum I added hvr1250.conf
> with the content: options cx23885 card=20
>
>
> Any idea on howto get it to work? Myth backend setup finds Kworld card
> only and for mpeg-2 encoder it shows "Failed to Probe" error message.
>
> Thanks
> Mir
>
>
> Output of dmesg
>
> [ 2325.960940] cx23885 driver version 0.0.2 loaded
> [ 2325.960980] cx23885 0000:03:00.0: PCI INT A -> GSI 19 (level, low) ->
> IRQ 19
> [ 2325.961239] CORE cx23885[0]: subsystem: 0070:7911, board: Hauppauge
> WinTV-HVR1255 [card=20,insmod option]
> [ 2326.107586] cx23885[0]: hauppauge eeprom: model=79571
> [ 2326.107589] cx23885_dvb_register() allocating 1 frontend(s)
> [ 2326.107592] cx23885[0]: cx23885 based dvb card
> [ 2326.108197] cx23885[0]: frontend initialization failed
> [ 2326.108199] cx23885_dvb_register() dvb_register failed err = -1
> [ 2326.108202] cx23885_dev_setup() Failed to register dvb on VID_C
> [ 2326.108205] cx23885_dev_checkrevision() Hardware revision = 0xa5
> [ 2326.108213] cx23885[0]/0: found at 0000:03:00.0, rev: 4, irq: 19,
> latency: 0, mmio: 0xfd600000
> [ 2326.108222] cx23885 0000:03:00.0: setting latency timer to 64
> [ 2326.108303] cx23885 0000:03:00.0: irq 45 for MSI/MSI-X
>
>
> Output of lspci -v for both tuners
>
> 03:00.0 Multimedia video controller: Conexant Systems, Inc. CX23885 PCI
> Video and Audio Decoder (rev 04)
>    Subsystem: Hauppauge computer works Inc. Device 7911
>    Flags: bus master, fast devsel, latency 0, IRQ 45
>    Memory at fd600000 (64-bit, non-prefetchable) [size=2M]
>    Capabilities: <access denied>
>    Kernel driver in use: cx23885
>    Kernel modules: cx23885
>
>
> 04:01.0 Multimedia controller: Philips Semiconductors
> SAA7131/SAA7133/SAA7135 Video Broadcast Decoder (rev d1)
>    Subsystem: KWorld Computer Co. Ltd. ATSC 115 Digital / Analog HDTV Tuner
>    Flags: bus master, medium devsel, latency 255, IRQ 16
>    Memory at fddfe000 (32-bit, non-prefetchable) [size=2K]
>    Capabilities: <access denied>
>    Kernel driver in use: saa7134
>    Kernel modules: saa7134
>
> _______________________________________________
> mythtv-users mailing list
> mythtv-users at mythtv.org
> http://www.mythtv.org/mailman/listinfo/mythtv-users
>

Analog for this card is not supported and probably will never be,
given that it is just a frame grabber.
http://linuxtv.org/wiki/index.php/Hauppauge_WinTV-HVR-1250

For the digital tuner, you should be adding it as a DVB device, not
MPEG.  You should have another /dev/dvb/adapterX to use for this card.

- Patrick