@@ -9,10 +9,11 @@ CA Function Calls
.. _ca_fopen:
-open()
-======
+DVB CA open()
+=============
-DESCRIPTION
+Description
+-----------
This system call opens a named ca device (e.g. /dev/ost/ca) for
subsequent use.
@@ -27,11 +28,13 @@ 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.
-SYNOPSIS
+Synopsis
+--------
-int open(const char *deviceName, int flags);
+.. cpp:function:: int open(const char *deviceName, int flags)
-PARAMETERS
+Arguments
+----------
@@ -42,7 +45,7 @@ PARAMETERS
- .. row 1
- - const char *deviceName
+ - const char \*deviceName
- Name of specific video device.
@@ -73,7 +76,8 @@ PARAMETERS
- (blocking mode is the default)
-RETURN VALUE
+Return Value
+------------
@@ -110,18 +114,21 @@ RETURN VALUE
.. _ca_fclose:
-close()
-=======
+DVB CA close()
+==============
-DESCRIPTION
+Description
+-----------
This system call closes a previously opened audio device.
-SYNOPSIS
+Synopsis
+--------
-int close(int fd);
+.. cpp:function:: int close(int fd)
-PARAMETERS
+Arguments
+----------
@@ -137,7 +144,8 @@ PARAMETERS
- File descriptor returned by a previous call to open().
-RETURN VALUE
+Return Value
+------------
@@ -159,15 +167,18 @@ RETURN VALUE
CA_RESET
========
-DESCRIPTION
+Description
+-----------
This ioctl is undocumented. Documentation is welcome.
-SYNOPSIS
+Synopsis
+--------
-int ioctl(fd, int request = CA_RESET);
+.. cpp:function:: int ioctl(fd, int request = CA_RESET)
-PARAMETERS
+Arguments
+----------
@@ -189,7 +200,8 @@ PARAMETERS
- Equals CA_RESET for this command.
-RETURN VALUE
+Return Value
+------------
On success 0 is returned, on error -1 and the ``errno`` variable is set
appropriately. The generic error codes are described at the
@@ -201,15 +213,18 @@ appropriately. The generic error codes are described at the
CA_GET_CAP
==========
-DESCRIPTION
+Description
+-----------
This ioctl is undocumented. Documentation is welcome.
-SYNOPSIS
+Synopsis
+--------
-int ioctl(fd, int request = CA_GET_CAP, ca_caps_t *);
+.. cpp:function:: int ioctl(fd, int request = CA_GET_CAP, ca_caps_t *)
-PARAMETERS
+Arguments
+----------
@@ -237,7 +252,8 @@ PARAMETERS
- Undocumented.
-RETURN VALUE
+Return Value
+------------
On success 0 is returned, on error -1 and the ``errno`` variable is set
appropriately. The generic error codes are described at the
@@ -249,15 +265,18 @@ appropriately. The generic error codes are described at the
CA_GET_SLOT_INFO
================
-DESCRIPTION
+Description
+-----------
This ioctl is undocumented. Documentation is welcome.
-SYNOPSIS
+Synopsis
+--------
-int ioctl(fd, int request = CA_GET_SLOT_INFO, ca_slot_info_t *);
+.. cpp:function:: int ioctl(fd, int request = CA_GET_SLOT_INFO, ca_slot_info_t *)
-PARAMETERS
+Arguments
+----------
@@ -280,12 +299,13 @@ PARAMETERS
- .. row 3
- - ca_slot_info_t *
+ - ca_slot_info_t \*
- Undocumented.
-RETURN VALUE
+Return Value
+------------
On success 0 is returned, on error -1 and the ``errno`` variable is set
appropriately. The generic error codes are described at the
@@ -297,15 +317,18 @@ appropriately. The generic error codes are described at the
CA_GET_DESCR_INFO
=================
-DESCRIPTION
+Description
+-----------
This ioctl is undocumented. Documentation is welcome.
-SYNOPSIS
+Synopsis
+--------
-int ioctl(fd, int request = CA_GET_DESCR_INFO, ca_descr_info_t *);
+.. cpp:function:: int ioctl(fd, int request = CA_GET_DESCR_INFO, ca_descr_info_t *)
-PARAMETERS
+Arguments
+----------
@@ -328,12 +351,13 @@ PARAMETERS
- .. row 3
- - ca_descr_info_t *
+ - ca_descr_info_t \*
- Undocumented.
-RETURN VALUE
+Return Value
+------------
On success 0 is returned, on error -1 and the ``errno`` variable is set
appropriately. The generic error codes are described at the
@@ -345,15 +369,18 @@ appropriately. The generic error codes are described at the
CA_GET_MSG
==========
-DESCRIPTION
+Description
+-----------
This ioctl is undocumented. Documentation is welcome.
-SYNOPSIS
+Synopsis
+--------
-int ioctl(fd, int request = CA_GET_MSG, ca_msg_t *);
+.. cpp:function:: int ioctl(fd, int request = CA_GET_MSG, ca_msg_t *)
-PARAMETERS
+Arguments
+----------
@@ -376,12 +403,13 @@ PARAMETERS
- .. row 3
- - ca_msg_t *
+ - ca_msg_t \*
- Undocumented.
-RETURN VALUE
+Return Value
+------------
On success 0 is returned, on error -1 and the ``errno`` variable is set
appropriately. The generic error codes are described at the
@@ -393,15 +421,18 @@ appropriately. The generic error codes are described at the
CA_SEND_MSG
===========
-DESCRIPTION
+Description
+-----------
This ioctl is undocumented. Documentation is welcome.
-SYNOPSIS
+Synopsis
+--------
-int ioctl(fd, int request = CA_SEND_MSG, ca_msg_t *);
+.. cpp:function:: int ioctl(fd, int request = CA_SEND_MSG, ca_msg_t *)
-PARAMETERS
+Arguments
+----------
@@ -424,12 +455,13 @@ PARAMETERS
- .. row 3
- - ca_msg_t *
+ - ca_msg_t \*
- Undocumented.
-RETURN VALUE
+Return Value
+------------
On success 0 is returned, on error -1 and the ``errno`` variable is set
appropriately. The generic error codes are described at the
@@ -441,15 +473,18 @@ appropriately. The generic error codes are described at the
CA_SET_DESCR
============
-DESCRIPTION
+Description
+-----------
This ioctl is undocumented. Documentation is welcome.
-SYNOPSIS
+Synopsis
+--------
-int ioctl(fd, int request = CA_SET_DESCR, ca_descr_t *);
+.. cpp:function:: int ioctl(fd, int request = CA_SET_DESCR, ca_descr_t *)
-PARAMETERS
+Arguments
+----------
@@ -472,12 +507,13 @@ PARAMETERS
- .. row 3
- - ca_descr_t *
+ - ca_descr_t \*
- Undocumented.
-RETURN VALUE
+Return Value
+------------
On success 0 is returned, on error -1 and the ``errno`` variable is set
appropriately. The generic error codes are described at the
@@ -489,15 +525,18 @@ appropriately. The generic error codes are described at the
CA_SET_PID
==========
-DESCRIPTION
+Description
+-----------
This ioctl is undocumented. Documentation is welcome.
-SYNOPSIS
+Synopsis
+--------
-int ioctl(fd, int request = CA_SET_PID, ca_pid_t *);
+.. cpp:function:: int ioctl(fd, int request = CA_SET_PID, ca_pid_t *)
-PARAMETERS
+Arguments
+----------
@@ -520,12 +559,13 @@ PARAMETERS
- .. row 3
- - ca_pid_t *
+ - ca_pid_t \*
- Undocumented.
-RETURN VALUE
+Return Value
+------------
On success 0 is returned, on error -1 and the ``errno`` variable is set
appropriately. The generic error codes are described at the
Parsing this file were causing lots of warnings with sphinx, due to the c function prototypes. Fix that by prepending them with .. cpp:function:: While here, use the same way we document man-like pages, at the V4L side of the book and add escapes to asterisks. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> --- .../linux_tv/media/dvb/ca_function_calls.rst | 162 +++++++++++++-------- 1 file changed, 101 insertions(+), 61 deletions(-)