1 .. Permission is granted to copy, distribute and/or modify this
2 .. document under the terms of the GNU Free Documentation License,
3 .. Version 1.1 or any later version published by the Free Software
4 .. Foundation, with no Invariant Sections, no Front-Cover Texts
5 .. and no Back-Cover Texts. A copy of the license is included at
6 .. Documentation/media/uapi/fdl-appendix.rst.
8 .. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections
16 The Digital TV CA device controls the conditional access hardware. It
17 can be accessed through ``/dev/dvb/adapter?/ca?``. Data types and and ioctl
18 definitions can be accessed by including ``linux/dvb/ca.h`` in your
23 There are three ioctls at this API that aren't documented:
24 :ref:`CA_GET_MSG`, :ref:`CA_SEND_MSG` and :ref:`CA_SET_DESCR`.
25 Documentation for them are welcome.