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1.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later2 3.. _dvb_ca:4 5####################6Digital TV CA Device7####################8 9The Digital TV CA device controls the conditional access hardware. It10can be accessed through ``/dev/dvb/adapter?/ca?``. Data types and ioctl11definitions can be accessed by including ``linux/dvb/ca.h`` in your12application.13 14.. note::15 16 There are three ioctls at this API that aren't documented:17 :ref:`CA_GET_MSG`, :ref:`CA_SEND_MSG` and :ref:`CA_SET_DESCR`.18 Documentation for them are welcome.19 20.. toctree::21 :maxdepth: 122 23 ca_data_types24 ca_function_calls25 ca_high_level26