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diff --git a/Documentation/media/uapi/dvb/fe-type-t.rst b/Documentation/media/uapi/dvb/fe-type-t.rst deleted file mode 100644 index 9720d2f7ba35..000000000000 --- a/Documentation/media/uapi/dvb/fe-type-t.rst +++ /dev/null @@ -1,98 +0,0 @@ -.. Permission is granted to copy, distribute and/or modify this -.. document under the terms of the GNU Free Documentation License, -.. Version 1.1 or any later version published by the Free Software -.. Foundation, with no Invariant Sections, no Front-Cover Texts -.. and no Back-Cover Texts. A copy of the license is included at -.. Documentation/media/uapi/fdl-appendix.rst. -.. -.. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections - -************* -Frontend type -************* - -For historical reasons, frontend types are named by the type of -modulation used in transmission. The fontend types are given by -fe_type_t type, defined as: - - -.. c:type:: fe_type - -.. tabularcolumns:: |p{6.6cm}|p{2.2cm}|p{8.7cm}| - -.. flat-table:: Frontend types - :header-rows: 1 - :stub-columns: 0 - :widths: 3 1 4 - - - - .. row 1 - - - fe_type - - - Description - - - :ref:`DTV_DELIVERY_SYSTEM <DTV-DELIVERY-SYSTEM>` equivalent - type - - - .. row 2 - - - .. _FE-QPSK: - - ``FE_QPSK`` - - - For DVB-S standard - - - ``SYS_DVBS`` - - - .. row 3 - - - .. _FE-QAM: - - ``FE_QAM`` - - - For DVB-C annex A standard - - - ``SYS_DVBC_ANNEX_A`` - - - .. row 4 - - - .. _FE-OFDM: - - ``FE_OFDM`` - - - For DVB-T standard - - - ``SYS_DVBT`` - - - .. row 5 - - - .. _FE-ATSC: - - ``FE_ATSC`` - - - For ATSC standard (terrestrial) or for DVB-C Annex B (cable) used - in US. - - - ``SYS_ATSC`` (terrestrial) or ``SYS_DVBC_ANNEX_B`` (cable) - - -Newer formats like DVB-S2, ISDB-T, ISDB-S and DVB-T2 are not described -at the above, as they're supported via the new -:ref:`FE_GET_PROPERTY/FE_GET_SET_PROPERTY <FE_GET_PROPERTY>` -ioctl's, using the :ref:`DTV_DELIVERY_SYSTEM <DTV-DELIVERY-SYSTEM>` -parameter. - -In the old days, struct :c:type:`dvb_frontend_info` -used to contain ``fe_type_t`` field to indicate the delivery systems, -filled with either ``FE_QPSK, FE_QAM, FE_OFDM`` or ``FE_ATSC``. While this -is still filled to keep backward compatibility, the usage of this field -is deprecated, as it can report just one delivery system, but some -devices support multiple delivery systems. Please use -:ref:`DTV_ENUM_DELSYS <DTV-ENUM-DELSYS>` instead. - -On devices that support multiple delivery systems, struct -:c:type:`dvb_frontend_info`::``fe_type_t`` is -filled with the currently standard, as selected by the last call to -:ref:`FE_SET_PROPERTY <FE_GET_PROPERTY>` using the -:ref:`DTV_DELIVERY_SYSTEM <DTV-DELIVERY-SYSTEM>` property. |