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Diffstat (limited to 'Documentation/DocBook/media/v4l/cec-ioc-adap-g-caps.xml')
-rw-r--r-- | Documentation/DocBook/media/v4l/cec-ioc-adap-g-caps.xml | 151 |
1 files changed, 0 insertions, 151 deletions
diff --git a/Documentation/DocBook/media/v4l/cec-ioc-adap-g-caps.xml b/Documentation/DocBook/media/v4l/cec-ioc-adap-g-caps.xml deleted file mode 100644 index 3523ef2259b1..000000000000 --- a/Documentation/DocBook/media/v4l/cec-ioc-adap-g-caps.xml +++ /dev/null @@ -1,151 +0,0 @@ -<refentry id="cec-ioc-adap-g-caps"> - <refmeta> - <refentrytitle>ioctl CEC_ADAP_G_CAPS</refentrytitle> - &manvol; - </refmeta> - - <refnamediv> - <refname>CEC_ADAP_G_CAPS</refname> - <refpurpose>Query device capabilities</refpurpose> - </refnamediv> - - <refsynopsisdiv> - <funcsynopsis> - <funcprototype> - <funcdef>int <function>ioctl</function></funcdef> - <paramdef>int <parameter>fd</parameter></paramdef> - <paramdef>int <parameter>request</parameter></paramdef> - <paramdef>struct cec_caps *<parameter>argp</parameter></paramdef> - </funcprototype> - </funcsynopsis> - </refsynopsisdiv> - - <refsect1> - <title>Arguments</title> - - <variablelist> - <varlistentry> - <term><parameter>fd</parameter></term> - <listitem> - <para>File descriptor returned by - <link linkend='cec-func-open'><function>open()</function></link>.</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>request</parameter></term> - <listitem> - <para>CEC_ADAP_G_CAPS</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>argp</parameter></term> - <listitem> - <para></para> - </listitem> - </varlistentry> - </variablelist> - </refsect1> - - <refsect1> - <title>Description</title> - - <para> - Note: this documents the proposed CEC API. This API is not yet finalized and - is currently only available as a staging kernel module. - </para> - - <para>All cec devices must support the <constant>CEC_ADAP_G_CAPS</constant> - ioctl. To query device information, applications call the ioctl with a - pointer to a &cec-caps;. The driver fills the structure and returns - the information to the application. - The ioctl never fails.</para> - - <table pgwide="1" frame="none" id="cec-caps"> - <title>struct <structname>cec_caps</structname></title> - <tgroup cols="3"> - &cs-str; - <tbody valign="top"> - <row> - <entry>char</entry> - <entry><structfield>driver[32]</structfield></entry> - <entry>The name of the cec adapter driver.</entry> - </row> - <row> - <entry>char</entry> - <entry><structfield>name[32]</structfield></entry> - <entry>The name of this CEC adapter. The combination <structfield>driver</structfield> - and <structfield>name</structfield> must be unique.</entry> - </row> - <row> - <entry>__u32</entry> - <entry><structfield>capabilities</structfield></entry> - <entry>The capabilities of the CEC adapter, see <xref - linkend="cec-capabilities" />.</entry> - </row> - <row> - <entry>__u32</entry> - <entry><structfield>version</structfield></entry> - <entry>CEC Framework API version, formatted with the - <constant>KERNEL_VERSION()</constant> macro.</entry> - </row> - </tbody> - </tgroup> - </table> - - <table pgwide="1" frame="none" id="cec-capabilities"> - <title>CEC Capabilities Flags</title> - <tgroup cols="3"> - &cs-def; - <tbody valign="top"> - <row> - <entry><constant>CEC_CAP_PHYS_ADDR</constant></entry> - <entry>0x00000001</entry> - <entry>Userspace has to configure the physical address by - calling &CEC-ADAP-S-PHYS-ADDR;. If this capability isn't set, - then setting the physical address is handled by the kernel - whenever the EDID is set (for an HDMI receiver) or read (for - an HDMI transmitter).</entry> - </row> - <row> - <entry><constant>CEC_CAP_LOG_ADDRS</constant></entry> - <entry>0x00000002</entry> - <entry>Userspace has to configure the logical addresses by - calling &CEC-ADAP-S-LOG-ADDRS;. If this capability isn't set, - then the kernel will have configured this.</entry> - </row> - <row> - <entry><constant>CEC_CAP_TRANSMIT</constant></entry> - <entry>0x00000004</entry> - <entry>Userspace can transmit CEC messages by calling &CEC-TRANSMIT;. This - implies that userspace can be a follower as well, since being able to - transmit messages is a prerequisite of becoming a follower. If this - capability isn't set, then the kernel will handle all CEC transmits - and process all CEC messages it receives. - </entry> - </row> - <row> - <entry><constant>CEC_CAP_PASSTHROUGH</constant></entry> - <entry>0x00000008</entry> - <entry>Userspace can use the passthrough mode by - calling &CEC-S-MODE;.</entry> - </row> - <row> - <entry><constant>CEC_CAP_RC</constant></entry> - <entry>0x00000010</entry> - <entry>This adapter supports the remote control protocol.</entry> - </row> - <row> - <entry><constant>CEC_CAP_MONITOR_ALL</constant></entry> - <entry>0x00000020</entry> - <entry>The CEC hardware can monitor all messages, not just directed and - broadcast messages.</entry> - </row> - </tbody> - </tgroup> - </table> - </refsect1> - - <refsect1> - &return-value; - </refsect1> -</refentry> |