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Diffstat (limited to 'Documentation/media/uapi/dvb/ca_data_types.rst')
-rw-r--r-- | Documentation/media/uapi/dvb/ca_data_types.rst | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/Documentation/media/uapi/dvb/ca_data_types.rst b/Documentation/media/uapi/dvb/ca_data_types.rst new file mode 100644 index 0000000..025f910 --- /dev/null +++ b/Documentation/media/uapi/dvb/ca_data_types.rst @@ -0,0 +1,110 @@ +.. -*- coding: utf-8; mode: rst -*- + +.. _ca_data_types: + +************* +CA Data Types +************* + + +.. _ca-slot-info: + +ca_slot_info_t +============== + + +.. code-block:: c + + typedef struct ca_slot_info { + int num; /* slot number */ + + int type; /* CA interface this slot supports */ + #define CA_CI 1 /* CI high level interface */ + #define CA_CI_LINK 2 /* CI link layer level interface */ + #define CA_CI_PHYS 4 /* CI physical layer level interface */ + #define CA_DESCR 8 /* built-in descrambler */ + #define CA_SC 128 /* simple smart card interface */ + + unsigned int flags; + #define CA_CI_MODULE_PRESENT 1 /* module (or card) inserted */ + #define CA_CI_MODULE_READY 2 + } ca_slot_info_t; + + +.. _ca-descr-info: + +ca_descr_info_t +=============== + + +.. code-block:: c + + typedef struct ca_descr_info { + unsigned int num; /* number of available descramblers (keys) */ + unsigned int type; /* type of supported scrambling system */ + #define CA_ECD 1 + #define CA_NDS 2 + #define CA_DSS 4 + } ca_descr_info_t; + + +.. _ca-caps: + +ca_caps_t +========= + + +.. code-block:: c + + typedef struct ca_caps { + unsigned int slot_num; /* total number of CA card and module slots */ + unsigned int slot_type; /* OR of all supported types */ + unsigned int descr_num; /* total number of descrambler slots (keys) */ + unsigned int descr_type;/* OR of all supported types */ + } ca_cap_t; + + +.. _ca-msg: + +ca_msg_t +======== + + +.. code-block:: c + + /* a message to/from a CI-CAM */ + typedef struct ca_msg { + unsigned int index; + unsigned int type; + unsigned int length; + unsigned char msg[256]; + } ca_msg_t; + + +.. _ca-descr: + +ca_descr_t +========== + + +.. code-block:: c + + typedef struct ca_descr { + unsigned int index; + unsigned int parity; + unsigned char cw[8]; + } ca_descr_t; + + +.. _ca-pid: + +ca-pid +====== + + +.. code-block:: c + + typedef struct ca_pid { + unsigned int pid; + int index; /* -1 == disable*/ + } ca_pid_t; |