1*4882a593Smuzhiyun.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 2*4882a593Smuzhiyun 3*4882a593Smuzhiyun.. _dvb_ca: 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun#################### 6*4882a593SmuzhiyunDigital TV CA Device 7*4882a593Smuzhiyun#################### 8*4882a593Smuzhiyun 9*4882a593SmuzhiyunThe Digital TV CA device controls the conditional access hardware. It 10*4882a593Smuzhiyuncan be accessed through ``/dev/dvb/adapter?/ca?``. Data types and and ioctl 11*4882a593Smuzhiyundefinitions can be accessed by including ``linux/dvb/ca.h`` in your 12*4882a593Smuzhiyunapplication. 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun.. note:: 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun There are three ioctls at this API that aren't documented: 17*4882a593Smuzhiyun :ref:`CA_GET_MSG`, :ref:`CA_SEND_MSG` and :ref:`CA_SET_DESCR`. 18*4882a593Smuzhiyun Documentation for them are welcome. 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun.. toctree:: 21*4882a593Smuzhiyun :maxdepth: 1 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun ca_data_types 24*4882a593Smuzhiyun ca_function_calls 25*4882a593Smuzhiyun ca_high_level 26