TBS 6981 (PCIe, DVB-S2, Dual-Tuner, Satellite-HDTV, Low-Profile)

Multimedia Multimedia, PCI-Express, PCIe, TBS, Televisión

TBS 6981 (PCIe, DVB-S2, Dual-Tuner, Satellite-HDTV, Low-Profile)
Compatibilidad con Linux:
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Revisión de Compatibilidad con Linux

The TBS 6981 is a PCI-Express card in low profile a uses a Conexant Dual-Tuner for DVB-S2 reception. The card is supported under Linux thanks to the driver cx23885 which is provided by TBS. The card is identified by the kernel in the following way:

02:00.0 Multimedia video controller: Conexant Systems, Inc. CX23885 PCI Video and Audio  Decoder  (rev   04)
Subsystem: Device 6981:8888
Kernel driver in use: cx23885
Kernel modules: cx23885

The driver can be downloaded from the TBS homepage: http://www.tbsdtv.com/download/#tbs6981.

After downloading and unpacking the driver:

unzip DOWNLOAD.zip
tar xf linux-tbs-drivers.tar.bz2

the installation script has to be executed:

cd linux-tbs-drivers/v4l/
sh ./tbs-x86_64.sh

Afterwards, the driver cx23885 can be compiled and installed

make
make install

and is available after a reboot of the system. The driver will load automatically:

cx25840 7-0044: loaded v4l-cx23885-avcore-01.fw firmware (16382 bytes)
cx23885_dvb_register() allocating 1 frontend(s)
cx23885[0]: cx23885 based dvb card
tbs6981fe: module license 'TurboSight Proprietary: www.tbsdtv.com' taints kernel.
Disabling lock debugging due to kernel taint
TurboSight TBS 6981 Frontend 0 Attaching...
DVB: registering new adapter (cx23885[0])
DVB: registering adapter 0 frontend 0 (TurboSight TBS 6981 DVBS/S2 frontend)...
TurboSight TBS698x Dual DVB-S2 card port0 MAC=00:22:ab:f0:36:fa
cx23885_dvb_register() allocating 1 frontend(s)
cx23885[0]: cx23885 based dvb card
TurboSight TBS 6981 Frontend 1 Attaching...
DVB: registering new adapter (cx23885[0])
DVB: registering adapter 1 frontend 0 (TurboSight TBS 6981 DVBS/S2 frontend)...
TurboSight TBS698x Dual DVB-S2 card port1 MAC=00:22:ab:f0:36:fb
cx23885_dev_checkrevision() Hardware revision = 0xa5
cx23885[0]/0: found at 0000:02:00.0, rev: 4, irq: 18, latency: 0, mmio: 0xfd400000
cx23885 0000:02:00.0: setting latency timer to 64

A second option to operate the TBS 6981 is the Open-Source driver, which is available at https://github.com/ljalves/linux_media/wiki.


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