Digital TV CA Device

.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later

.. _dvb_ca:

#################### Digital TV CA Device ####################

The Digital TV CA device controls the conditional access hardware. It can be accessed through /dev/dvb/adapter?/ca?. Data types and ioctl definitions can be accessed by including linux/dvb/ca.h in your application.

.. note::

There are three ioctls at this API that aren't documented: :ref:CA_GET_MSG, :ref:CA_SEND_MSG and :ref:CA_SET_DESCR. Documentation for them are welcome.

.. toctree:: :maxdepth: 1

ca_data_types
ca_function_calls
ca_high_level