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Linux_Drivers/linux_5.10/Documentation/userspace-api/media/dvb/frontend-property-satellite-systems.rst
sam.xiang 5c7dd7acc3 [linux] create linux_5.10.4 from T-head official:
repo: https://github.com/T-head-Semi/linux
	commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb

Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
2023-03-10 20:32:41 +08:00

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.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. _frontend-property-satellite-systems:
*********************************************
Properties used on satellite delivery systems
*********************************************
.. _dvbs-params:
DVB-S delivery system
=====================
The following parameters are valid for DVB-S:
- :ref:`DTV_API_VERSION <DTV-API-VERSION>`
- :ref:`DTV_DELIVERY_SYSTEM <DTV-DELIVERY-SYSTEM>`
- :ref:`DTV_TUNE <DTV-TUNE>`
- :ref:`DTV_CLEAR <DTV-CLEAR>`
- :ref:`DTV_FREQUENCY <DTV-FREQUENCY>`
- :ref:`DTV_INVERSION <DTV-INVERSION>`
- :ref:`DTV_SYMBOL_RATE <DTV-SYMBOL-RATE>`
- :ref:`DTV_INNER_FEC <DTV-INNER-FEC>`
- :ref:`DTV_VOLTAGE <DTV-VOLTAGE>`
- :ref:`DTV_TONE <DTV-TONE>`
In addition, the :ref:`DTV QoS statistics <frontend-stat-properties>`
are also valid.
Future implementations might add those two missing parameters:
- :ref:`DTV_DISEQC_MASTER <DTV-DISEQC-MASTER>`
- :ref:`DTV_DISEQC_SLAVE_REPLY <DTV-DISEQC-SLAVE-REPLY>`
.. _dvbs2-params:
DVB-S2 delivery system
======================
In addition to all parameters valid for DVB-S, DVB-S2 supports the
following parameters:
- :ref:`DTV_MODULATION <DTV-MODULATION>`
- :ref:`DTV_PILOT <DTV-PILOT>`
- :ref:`DTV_ROLLOFF <DTV-ROLLOFF>`
- :ref:`DTV_STREAM_ID <DTV-STREAM-ID>`
- :ref:`DTV_SCRAMBLING_SEQUENCE_INDEX <DTV-SCRAMBLING-SEQUENCE-INDEX>`
In addition, the :ref:`DTV QoS statistics <frontend-stat-properties>`
are also valid.
.. _turbo-params:
Turbo code delivery system
==========================
In addition to all parameters valid for DVB-S, turbo code supports the
following parameters:
- :ref:`DTV_MODULATION <DTV-MODULATION>`
.. _isdbs-params:
ISDB-S delivery system
======================
The following parameters are valid for ISDB-S:
- :ref:`DTV_API_VERSION <DTV-API-VERSION>`
- :ref:`DTV_DELIVERY_SYSTEM <DTV-DELIVERY-SYSTEM>`
- :ref:`DTV_TUNE <DTV-TUNE>`
- :ref:`DTV_CLEAR <DTV-CLEAR>`
- :ref:`DTV_FREQUENCY <DTV-FREQUENCY>`
- :ref:`DTV_INVERSION <DTV-INVERSION>`
- :ref:`DTV_SYMBOL_RATE <DTV-SYMBOL-RATE>`
- :ref:`DTV_INNER_FEC <DTV-INNER-FEC>`
- :ref:`DTV_VOLTAGE <DTV-VOLTAGE>`
- :ref:`DTV_STREAM_ID <DTV-STREAM-ID>`