media/dvb/ca_high_level.rst

1 .. SPDX-License-Identifier: GPL-2.0
3 The High level CI API
10 This document describes the high level CI API as in accordance to the
14 With the High Level CI approach any new card with almost any random
33 .. code-block:: c
39 	#define CA_CI            1     /* CI high level interface */
40 	#define CA_CI_LINK       2     /* CI link layer level interface */
41 	#define CA_CI_PHYS       4     /* CI physical layer level interface */
42 	#define CA_DESCR         8     /* built-in descrambler */
50 This CI interface follows the CI high level interface, which is not
65 With this High Level CI interface, the interface can be defined with the
68 All these ioctls are also valid for the High level CI interface
81 .. code-block:: none
84 	----------------------------
89 	APP: CI High level interface
93 	----------------------------
101 	----------------------------
102 	Descriptors(Program Level)=[ 09 06 06 04 05 50 ff f1]
103 	Found CA descriptor @ program level
116 .. code-block:: c
118 	/* a message to/from a CI-CAM */
129 .. code-block:: none
132 	-----
138    --------------------------------------
139    |	  |				| High Level CI driver
151    --------------------------------------
156 The High Level CI interface uses the EN50221 DVB standard, following a