diff options
Diffstat (limited to 'Documentation/DocBook/dvb/ca.xml')
| -rw-r--r-- | Documentation/DocBook/dvb/ca.xml | 221 |
1 files changed, 0 insertions, 221 deletions
diff --git a/Documentation/DocBook/dvb/ca.xml b/Documentation/DocBook/dvb/ca.xml deleted file mode 100644 index b1f1d2f..0000000 --- a/Documentation/DocBook/dvb/ca.xml +++ /dev/null @@ -1,221 +0,0 @@ -<title>DVB CA Device</title> -<para>The DVB CA device controls the conditional access hardware. It can be accessed through -<emphasis role="tt">/dev/dvb/adapter0/ca0</emphasis>. Data types and and ioctl definitions can be accessed by -including <emphasis role="tt">linux/dvb/ca.h</emphasis> in your application. -</para> - -<section id="ca_data_types"> -<title>CA Data Types</title> - - -<section id="ca_slot_info_t"> -<title>ca_slot_info_t</title> - <programlisting> - /⋆ slot interface types and info ⋆/ - - typedef struct ca_slot_info_s { - 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_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; -</programlisting> - -</section> -<section id="ca_descr_info_t"> -<title>ca_descr_info_t</title> - <programlisting> - typedef struct ca_descr_info_s { - 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; -</programlisting> - -</section> -<section id="ca_cap_t"> -<title>ca_cap_t</title> - <programlisting> - typedef struct ca_cap_s { - 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; -</programlisting> - -</section> -<section id="ca_msg_t"> -<title>ca_msg_t</title> - <programlisting> - /⋆ a message to/from a CI-CAM ⋆/ - typedef struct ca_msg_s { - unsigned int index; - unsigned int type; - unsigned int length; - unsigned char msg[256]; - } ca_msg_t; -</programlisting> - -</section> -<section id="ca_descr_t"> -<title>ca_descr_t</title> - <programlisting> - typedef struct ca_descr_s { - unsigned int index; - unsigned int parity; - unsigned char cw[8]; - } ca_descr_t; -</programlisting> - </section></section> -<section id="ca_function_calls"> -<title>CA Function Calls</title> - - -<section id="ca_fopen"> -<title>open()</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This system call opens a named ca device (e.g. /dev/ost/ca) for subsequent use.</para> -<para>When an open() call has succeeded, the device will be ready for use. - The significance of blocking or non-blocking mode is described in the - documentation for functions where there is a difference. It does not affect the - semantics of the open() call itself. A device opened in blocking mode can later - be put into non-blocking mode (and vice versa) using the F_SETFL command - of the fcntl system call. This is a standard system call, documented in the Linux - manual page for fcntl. Only one user can open the CA Device in O_RDWR - mode. All other attempts to open the device in this mode will fail, and an error - code will be returned.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int open(const char ⋆deviceName, int flags);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>const char - *deviceName</para> -</entry><entry - align="char"> -<para>Name of specific video device.</para> -</entry> - </row><row><entry - align="char"> -<para>int flags</para> -</entry><entry - align="char"> -<para>A bit-wise OR of the following flags:</para> -</entry> - </row><row><entry - align="char"> -</entry><entry - align="char"> -<para>O_RDONLY read-only access</para> -</entry> - </row><row><entry - align="char"> -</entry><entry - align="char"> -<para>O_RDWR read/write access</para> -</entry> - </row><row><entry - align="char"> -</entry><entry - align="char"> -<para>O_NONBLOCK open in non-blocking mode</para> -</entry> - </row><row><entry - align="char"> -</entry><entry - align="char"> -<para>(blocking mode is the default)</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>ERRORS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>ENODEV</para> -</entry><entry - align="char"> -<para>Device driver not loaded/available.</para> -</entry> - </row><row><entry - align="char"> -<para>EINTERNAL</para> -</entry><entry - align="char"> -<para>Internal error.</para> -</entry> - </row><row><entry - align="char"> -<para>EBUSY</para> -</entry><entry - align="char"> -<para>Device or resource busy.</para> -</entry> - </row><row><entry - align="char"> -<para>EINVAL</para> -</entry><entry - align="char"> -<para>Invalid argument.</para> -</entry> - </row></tbody></tgroup></informaltable> - -</section> -<section id="ca_fclose"> -<title>close()</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This system call closes a previously opened audio device.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int close(int fd);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>ERRORS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>EBADF</para> -</entry><entry - align="char"> -<para>fd is not a valid open file descriptor.</para> -</entry> - </row></tbody></tgroup></informaltable> - </section> -</section> |