[mythtv-users] Twin DVB-S2 PCIe device
Gavin Whitehead
gavin at alabastercranium.demon.co.uk
Mon Jun 2 21:48:55 UTC 2014
On 02/06/2014 09:49, Mike Bibbings wrote:
> On 01/06/14 19:00, Gavin Whitehead wrote:
>> On 01/06/2014 08:26, Mike Bibbings wrote:
>>> On 31/05/2014 22:24, Gavin Whitehead wrote:
>>>> On 29/05/2014 10:38, Scott Moncrieff wrote:
>>>>> I also use a TBS6981 dual dvb-s2 and the open source drivers are
>>>>> included in the current kernel. All you need to do to get it
>>>>> working is get the firmware from the TBS site and copy it to
>>>>> /lib/firmware/
>>>>>
>>>>> I spent a lot of time trying to make the TBS drivers work without
>>>>> any luck.
>>>>>
>>>>>
>>>>>
>>>>> On Thu, May 29, 2014 at 9:11 AM, Mike Bibbings
>>>>> <mike.bibbings at gmail.com <mailto:mike.bibbings at gmail.com>> wrote:
>>>>>
>>>>> On 29/05/14 07:35, Josu Lazkano wrote:
>>>>>
>>>>> Hello,
>>>>>
>>>>> I want to upgrade mythbackend with a double DVB-S2 device,
>>>>> I want to
>>>>> use the PCIe interface for it.
>>>>>
>>>>> I search some cheap devices:
>>>>>
>>>>> - DVBSky S952:
>>>>> http://linuxtv.org/wiki/index.php/DVBSky_S952
>>>>>
>>>>> - TeVii S480: http://linuxtv.org/wiki/index.php/TeVii_S480
>>>>>
>>>>> Anyone has this devices? Any recommendation?
>>>>>
>>>>> I want to add it in a HP ProLiant MicroServer (150 W).
>>>>>
>>>>> Regards.
>>>>>
>>>>> I use the TBS 6981, originally with the TBS linux drivers, but
>>>>> am now using the open source drivers in the latest kernels
>>>>> (3.12 and on from memory).
>>>>>
>>>>> The TBS linux drivers do work, but use a very old version of
>>>>> the media software stack, which can cause problems if you have
>>>>> devices from other suppliers.
>>>>>
>>>>> Mike
>>>>>
>>>>>
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>>>>>
>>>>>
>>>>>
>>>>>
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>>>> Scott, I've just upgraded from Xubuntu 12.04 to 14.04 and tried to
>>>> get my TBS 6981 to work with the kernel drivers (3.13.0.x). No
>>>> luck. /var/log/syslog reported that the the 'on demand' firmware
>>>> didn't load.
>>>>
>>>> Can you let me know what steps you went through to get this
>>>> working? And what Os are you running?
>>>>
>>>> Gavin
>>>>
>>>>
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>>> This page gives the instructions for the "dvb-fe-cx24117.fw"
>>> firmware file in /lib/firmware/ :
>>>
>>> https://github.com/ljalves/linux_media/wiki/CX24117-firmware
>>>
>>> Mike
>>>
>>>
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>>
>> I'm reasonably sure that I had done these things.
>> I believe the TBS 6891 uses the cx23885 chipset/firmware, not the
>> cx24117.
>>
>> The files 'v4l-cx23885-avcore-01.fw' and 'v4l-cx23885-enc.fw' were
>> already in /lib/firmware (from the 12.04 installation using the TBS
>> drivers) and I copied '|dvb-fe-cx24117.fw|' to /lib/firmware having
>> followed the instructions at
>> https://github.com/ljalves/linux_media/wiki/CX24117-firmware.
>>
>> Is there more to installing the firmware than just 'sudo cp
>> v4l-cx23885-avcore-01.fw/lib/firmware'?
>>
>> I will try again (though not until next weekend)
>>
>> Thanks for the advice,
>>
>> Gavin
>>
>>
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> Gavin,
> I presume you did a reboot after copying the firmware to /lib/firmware.
>
> If you open a terminal and do 'dmesg | grep frontend' you should see
> something similar to:
>
> [ 13.184611] cx23885_dvb_register() allocating 1 frontend(s)
> [ 13.187238] i2c i2c-6: cx24117: Attaching frontend 0
> [ 13.187245] cx23885 0000:02:00.0: DVB: registering adapter 4
> frontend 0 (Conexant CX24117/CX24132)...
> [ 13.187458] cx23885_dvb_register() allocating 1 frontend(s)
> [ 13.187464] i2c i2c-6: cx24117: Attaching frontend 1
> [ 13.187468] cx23885 0000:02:00.0: DVB: registering adapter 5
> frontend 0 (Conexant CX24117/CX24132)...
>
> Note your adapter numbers (4 & 5 in my case) may be different (0 &1)
> if no other dvb devices on mythbuntu.
>
> You should also see something like this if you do 'dmesg |grep firmware' :
>
> [ 11.957967] usb 1-2: r8712u: Loading firmware from
> "rtlwifi/rtl8712u.bin"
> [ 13.169187] cx25840 7-0044: loaded v4l-cx23885-avcore-01.fw
> firmware (16382 bytes)
> [ 35.470272] i2c i2c-6: cx24117_load_firmware: FW version 1.44.95.2
> [ 35.470285] i2c i2c-6: cx24117_firmware_ondemand: Firmware upload
> complete
>
> Both v4l-cx23885... and cx24117 firmwares are used, ignore rtlwifi...
> bit I am using wifi on the server.
>
> The above were done on a fresh install of Myhthbuntu 14.04, with
> mythtv master (0.28-pre).
>
> Mike
>
>
>
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Mike,
Thanks for that - I will try again
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