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Merge branch 'devel-for-v3.10' into v4l_for_linus

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* patchwork: (831 commits)
  [media] cx88: make core less verbose
  [media] em28xx: fix oops at em28xx_dvb_bus_ctrl()
  [media] s5c73m3: fix indentation of the help section in Kconfig
  [media] cx25821-alsa: get rid of a __must_check warning
  [media] cx25821-video: declare cx25821_vidioc_s_std as static
  [media] cx25821-video: remove maxw from cx25821_vidioc_try_fmt_vid_cap
  [media] r820t: Remove a warning for an unused value
  [media] dib0090: Fix a warning at dib0090_set_EFUSE
  [media] dib8000: fix a warning
  [media] dib8000: Fix sub-channel range
  [media] dib8000: store dtv_property_cache in a temp var
  [media] dib8000: warning fix: declare internal functions as static
  [media] r820t: quiet gcc warning on n_ring
  [media] r820t: memory leak in release()
  [media] r820t: precendence bug in r820t_xtal_check()
  [media] videodev2.h: Remove the unused old V4L1 buffer types
  [media] anysee: Grammar s/report the/report to/
  [media] anysee: Initialize ret = 0 in anysee_frontend_attach()
  [media] media: videobuf2: fix the length check for mmap
  [media] em28xx: save isoc endpoint number for DVB only if endpoint has alt settings with xMaxPacketSize != 0
  ...

Conflicts:
	drivers/media/pci/cx25821/cx25821-video.c
	drivers/media/platform/Kconfig
This commit is contained in:
Mauro Carvalho Chehab 2013-04-30 09:01:04 -03:00
commit df90e22589
655 changed files with 40833 additions and 28655 deletions
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52
Documentation/DocBook/media/dvb/dvbproperty.xml
View file

@ -1,6 +1,6 @@
<section id="FE_GET_SET_PROPERTY">
<title><constant>FE_GET_PROPERTY/FE_SET_PROPERTY</constant></title>
<para>This section describes the DVB version 5 extention of the DVB-API, also
<para>This section describes the DVB version 5 extension of the DVB-API, also
called "S2API", as this API were added to provide support for DVB-S2. It was
designed to be able to replace the old frontend API. Yet, the DISEQC and
the capability ioctls weren't implemented yet via the new way.</para>
@ -903,14 +903,12 @@ enum fe_interleaving {
<constant>svalue</constant> is for signed values of the measure (dB measures)
and <constant>uvalue</constant> is for unsigned values (counters, relative scale)</para></listitem>
<listitem><para><constant>scale</constant> - Scale for the value. It can be:</para>
<section id = "fecap-scale-params">
<itemizedlist mark='bullet'>
<itemizedlist mark='bullet' id="fecap-scale-params">
<listitem><para><constant>FE_SCALE_NOT_AVAILABLE</constant> - The parameter is supported by the frontend, but it was not possible to collect it (could be a transitory or permanent condition)</para></listitem>
<listitem><para><constant>FE_SCALE_DECIBEL</constant> - parameter is a signed value, measured in 1/1000 dB</para></listitem>
<listitem><para><constant>FE_SCALE_RELATIVE</constant> - parameter is a unsigned value, where 0 means 0% and 65535 means 100%.</para></listitem>
<listitem><para><constant>FE_SCALE_COUNTER</constant> - parameter is a unsigned value that counts the occurrence of an event, like bit error, block error, or lapsed time.</para></listitem>
</itemizedlist>
</section>
</listitem>
</itemizedlist>
<section id="DTV-STAT-SIGNAL-STRENGTH">
@ -918,9 +916,9 @@ enum fe_interleaving {
<para>Indicates the signal strength level at the analog part of the tuner or of the demod.</para>
<para>Possible scales for this metric are:</para>
<itemizedlist mark='bullet'>
<listitem><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</listitem>
<listitem><constant>FE_SCALE_DECIBEL</constant> - signal strength is in 0.0001 dBm units, power measured in miliwatts. This value is generally negative.</listitem>
<listitem><constant>FE_SCALE_RELATIVE</constant> - The frontend provides a 0% to 100% measurement for power (actually, 0 to 65535).</listitem>
<listitem><para><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</para></listitem>
<listitem><para><constant>FE_SCALE_DECIBEL</constant> - signal strength is in 0.0001 dBm units, power measured in miliwatts. This value is generally negative.</para></listitem>
<listitem><para><constant>FE_SCALE_RELATIVE</constant> - The frontend provides a 0% to 100% measurement for power (actually, 0 to 65535).</para></listitem>
</itemizedlist>
</section>
<section id="DTV-STAT-CNR">
@ -928,9 +926,9 @@ enum fe_interleaving {
<para>Indicates the Signal to Noise ratio for the main carrier.</para>
<para>Possible scales for this metric are:</para>
<itemizedlist mark='bullet'>
<listitem><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</listitem>
<listitem><constant>FE_SCALE_DECIBEL</constant> - Signal/Noise ratio is in 0.0001 dB units.</listitem>
<listitem><constant>FE_SCALE_RELATIVE</constant> - The frontend provides a 0% to 100% measurement for Signal/Noise (actually, 0 to 65535).</listitem>
<listitem><para><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</para></listitem>
<listitem><para><constant>FE_SCALE_DECIBEL</constant> - Signal/Noise ratio is in 0.0001 dB units.</para></listitem>
<listitem><para><constant>FE_SCALE_RELATIVE</constant> - The frontend provides a 0% to 100% measurement for Signal/Noise (actually, 0 to 65535).</para></listitem>
</itemizedlist>
</section>
<section id="DTV-STAT-PRE-ERROR-BIT-COUNT">
@ -943,8 +941,8 @@ enum fe_interleaving {
The frontend may reset it when a channel/transponder is tuned.</para>
<para>Possible scales for this metric are:</para>
<itemizedlist mark='bullet'>
<listitem><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</listitem>
<listitem><constant>FE_SCALE_COUNTER</constant> - Number of error bits counted before the inner coding.</listitem>
<listitem><para><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</para></listitem>
<listitem><para><constant>FE_SCALE_COUNTER</constant> - Number of error bits counted before the inner coding.</para></listitem>
</itemizedlist>
</section>
<section id="DTV-STAT-PRE-TOTAL-BIT-COUNT">
@ -952,14 +950,14 @@ enum fe_interleaving {
<para>Measures the amount of bits received before the inner code block, during the same period as
<link linkend="DTV-STAT-PRE-ERROR-BIT-COUNT"><constant>DTV_STAT_PRE_ERROR_BIT_COUNT</constant></link> measurement was taken.</para>
<para>It should be noticed that this measurement can be smaller than the total amount of bits on the transport stream,
as the frontend may need to manually restart the measurement, loosing some data between each measurement interval.</para>
as the frontend may need to manually restart the measurement, losing some data between each measurement interval.</para>
<para>This measurement is monotonically increased, as the frontend gets more bit count measurements.
The frontend may reset it when a channel/transponder is tuned.</para>
<para>Possible scales for this metric are:</para>
<itemizedlist mark='bullet'>
<listitem><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</listitem>
<listitem><constant>FE_SCALE_COUNTER</constant> - Number of bits counted while measuring
<link linkend="DTV-STAT-PRE-ERROR-BIT-COUNT"><constant>DTV_STAT_PRE_ERROR_BIT_COUNT</constant></link>.</listitem>
<listitem><para><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</para></listitem>
<listitem><para><constant>FE_SCALE_COUNTER</constant> - Number of bits counted while measuring
<link linkend="DTV-STAT-PRE-ERROR-BIT-COUNT"><constant>DTV_STAT_PRE_ERROR_BIT_COUNT</constant></link>.</para></listitem>
</itemizedlist>
</section>
<section id="DTV-STAT-POST-ERROR-BIT-COUNT">
@ -972,8 +970,8 @@ enum fe_interleaving {
The frontend may reset it when a channel/transponder is tuned.</para>
<para>Possible scales for this metric are:</para>
<itemizedlist mark='bullet'>
<listitem><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</listitem>
<listitem><constant>FE_SCALE_COUNTER</constant> - Number of error bits counted after the inner coding.</listitem>
<listitem><para><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</para></listitem>
<listitem><para><constant>FE_SCALE_COUNTER</constant> - Number of error bits counted after the inner coding.</para></listitem>
</itemizedlist>
</section>
<section id="DTV-STAT-POST-TOTAL-BIT-COUNT">
@ -981,14 +979,14 @@ enum fe_interleaving {
<para>Measures the amount of bits received after the inner coding, during the same period as
<link linkend="DTV-STAT-POST-ERROR-BIT-COUNT"><constant>DTV_STAT_POST_ERROR_BIT_COUNT</constant></link> measurement was taken.</para>
<para>It should be noticed that this measurement can be smaller than the total amount of bits on the transport stream,
as the frontend may need to manually restart the measurement, loosing some data between each measurement interval.</para>
as the frontend may need to manually restart the measurement, losing some data between each measurement interval.</para>
<para>This measurement is monotonically increased, as the frontend gets more bit count measurements.
The frontend may reset it when a channel/transponder is tuned.</para>
<para>Possible scales for this metric are:</para>
<itemizedlist mark='bullet'>
<listitem><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</listitem>
<listitem><constant>FE_SCALE_COUNTER</constant> - Number of bits counted while measuring
<link linkend="DTV-STAT-POST-ERROR-BIT-COUNT"><constant>DTV_STAT_POST_ERROR_BIT_COUNT</constant></link>.</listitem>
<listitem><para><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</para></listitem>
<listitem><para><constant>FE_SCALE_COUNTER</constant> - Number of bits counted while measuring
<link linkend="DTV-STAT-POST-ERROR-BIT-COUNT"><constant>DTV_STAT_POST_ERROR_BIT_COUNT</constant></link>.</para></listitem>
</itemizedlist>
</section>
<section id="DTV-STAT-ERROR-BLOCK-COUNT">
@ -998,8 +996,8 @@ enum fe_interleaving {
The frontend may reset it when a channel/transponder is tuned.</para>
<para>Possible scales for this metric are:</para>
<itemizedlist mark='bullet'>
<listitem><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</listitem>
<listitem><constant>FE_SCALE_COUNTER</constant> - Number of error blocks counted after the outer coding.</listitem>
<listitem><para><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</para></listitem>
<listitem><para><constant>FE_SCALE_COUNTER</constant> - Number of error blocks counted after the outer coding.</para></listitem>
</itemizedlist>
</section>
<section id="DTV-STAT-TOTAL-BLOCK-COUNT">
@ -1011,9 +1009,9 @@ enum fe_interleaving {
by <link linkend="DTV-STAT-TOTAL-BLOCK-COUNT"><constant>DTV-STAT-TOTAL-BLOCK-COUNT</constant></link>.</para>
<para>Possible scales for this metric are:</para>
<itemizedlist mark='bullet'>
<listitem><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</listitem>
<listitem><constant>FE_SCALE_COUNTER</constant> - Number of blocks counted while measuring
<link linkend="DTV-STAT-ERROR-BLOCK-COUNT"><constant>DTV_STAT_ERROR_BLOCK_COUNT</constant></link>.</listitem>
<listitem><para><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</para></listitem>
<listitem><para><constant>FE_SCALE_COUNTER</constant> - Number of blocks counted while measuring
<link linkend="DTV-STAT-ERROR-BLOCK-COUNT"><constant>DTV_STAT_ERROR_BLOCK_COUNT</constant></link>.</para></listitem>
</itemizedlist>
</section>
</section>

14
Documentation/DocBook/media/v4l/common.xml
View file

@ -749,15 +749,6 @@ polarities, frontporch, backporch etc. The <filename>linux/v4l2-dv-timings.h</fi
header can be used to get the timings of the formats in the <xref linkend="cea861" /> and
<xref linkend="vesadmt" /> standards.
</para>
</listitem>
<listitem>
<para>DV Presets: Digital Video (DV) presets (<emphasis role="bold">deprecated</emphasis>).
These are IDs representing a
video timing at the input/output. Presets are pre-defined timings implemented
by the hardware according to video standards. A __u32 data type is used to represent
a preset unlike the bit mask that is used in &v4l2-std-id; allowing future extensions
to support as many different presets as needed. This API is deprecated in favor of the DV Timings
API.</para>
</listitem>
</itemizedlist>
<para>To enumerate and query the attributes of the DV timings supported by a device,
@ -766,11 +757,6 @@ API.</para>
&VIDIOC-S-DV-TIMINGS; ioctl and to get current DV timings they use the
&VIDIOC-G-DV-TIMINGS; ioctl. To detect the DV timings as seen by the video receiver applications
use the &VIDIOC-QUERY-DV-TIMINGS; ioctl.</para>
<para>To enumerate and query the attributes of DV presets supported by a device,
applications use the &VIDIOC-ENUM-DV-PRESETS; ioctl. To get the current DV preset,
applications use the &VIDIOC-G-DV-PRESET; ioctl and to set a preset they use the
&VIDIOC-S-DV-PRESET; ioctl. To detect the preset as seen by the video receiver applications
use the &VIDIOC-QUERY-DV-PRESET; ioctl.</para>
<para>Applications can make use of the <xref linkend="input-capabilities" /> and
<xref linkend="output-capabilities"/> flags to decide what ioctls are available to set the
video timings for the device.</para>

24
Documentation/DocBook/media/v4l/compat.xml
View file

@ -2310,6 +2310,9 @@ more information.</para>
<listitem>
<para>Added FM Modulator (FM TX) Extended Control Class: <constant>V4L2_CTRL_CLASS_FM_TX</constant> and their Control IDs.</para>
</listitem>
<listitem>
<para>Added FM Receiver (FM RX) Extended Control Class: <constant>V4L2_CTRL_CLASS_FM_RX</constant> and their Control IDs.</para>
</listitem>
<listitem>
<para>Added Remote Controller chapter, describing the default Remote Controller mapping for media devices.</para>
</listitem>
@ -2493,6 +2496,23 @@ that used it. It was originally scheduled for removal in 2.6.35.
</orderedlist>
</section>
<section>
<title>V4L2 in Linux 3.10</title>
<orderedlist>
<listitem>
<para>Removed obsolete and unused DV_PRESET ioctls
VIDIOC_G_DV_PRESET, VIDIOC_S_DV_PRESET, VIDIOC_QUERY_DV_PRESET and
VIDIOC_ENUM_DV_PRESET. Remove the related v4l2_input/output capability
flags V4L2_IN_CAP_PRESETS and V4L2_OUT_CAP_PRESETS.
</para>
</listitem>
<listitem>
<para>Added new debugging ioctl &VIDIOC-DBG-G-CHIP-INFO;.
</para>
</listitem>
</orderedlist>
</section>
<section id="other">
<title>Relation of V4L2 to other Linux multimedia APIs</title>
@ -2625,8 +2645,8 @@ interfaces and should not be implemented in new drivers.</para>
<xref linkend="extended-controls" />.</para>
</listitem>
<listitem>
<para>&VIDIOC-G-DV-PRESET;, &VIDIOC-S-DV-PRESET;, &VIDIOC-ENUM-DV-PRESETS; and
&VIDIOC-QUERY-DV-PRESET; ioctls. Use the DV Timings API (<xref linkend="dv-timings" />).</para>
<para>VIDIOC_G_DV_PRESET, VIDIOC_S_DV_PRESET, VIDIOC_ENUM_DV_PRESETS and
VIDIOC_QUERY_DV_PRESET ioctls. Use the DV Timings API (<xref linkend="dv-timings" />).</para>
</listitem>
<listitem>
<para><constant>VIDIOC_SUBDEV_G_CROP</constant> and

87
Documentation/DocBook/media/v4l/controls.xml
View file

@ -2299,6 +2299,12 @@ Possible values are:</entry>
</entrytbl>
</row>
<row><entry></entry></row>
<row>
<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_REPEAT_SEQ_HEADER</constant>&nbsp;</entry>
<entry>boolean</entry>
</row><row><entry spanname="descr">Repeat the video sequence headers. Repeating these
headers makes random access to the video stream easier. Applicable to the MPEG1, 2 and 4 encoder.</entry>
</row>
<row>
<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER</constant>&nbsp;</entry>
<entry>boolean</entry>
@ -3136,6 +3142,13 @@ giving priority to the center of the metered area.</entry>
<entry><constant>V4L2_EXPOSURE_METERING_SPOT</constant>&nbsp;</entry>
<entry>Measure only very small area at the center of the frame.</entry>
</row>
<row>
<entry><constant>V4L2_EXPOSURE_METERING_MATRIX</constant>&nbsp;</entry>
<entry>A multi-zone metering. The light intensity is measured
in several points of the frame and the the results are combined. The
algorithm of the zones selection and their significance in calculating the
final value is device dependant.</entry>
</row>
</tbody>
</entrytbl>
</row>
@ -3848,7 +3861,7 @@ in Hz. The range and step are driver-specific.</entry>
</row>
<row>
<entry spanname="id"><constant>V4L2_CID_TUNE_PREEMPHASIS</constant>&nbsp;</entry>
<entry>integer</entry>
<entry>enum v4l2_preemphasis</entry>
</row>
<row id="v4l2-preemphasis"><entry spanname="descr">Configures the pre-emphasis value for broadcasting.
A pre-emphasis filter is applied to the broadcast to accentuate the high audio frequencies.
@ -4687,4 +4700,76 @@ interface and may change in the future.</para>
</table>
</section>
<section id="fm-rx-controls">
<title>FM Receiver Control Reference</title>
<para>The FM Receiver (FM_RX) class includes controls for common features of
FM Reception capable devices.</para>
<table pgwide="1" frame="none" id="fm-rx-control-id">
<title>FM_RX Control IDs</title>
<tgroup cols="4">
<colspec colname="c1" colwidth="1*" />
<colspec colname="c2" colwidth="6*" />
<colspec colname="c3" colwidth="2*" />
<colspec colname="c4" colwidth="6*" />
<spanspec namest="c1" nameend="c2" spanname="id" />
<spanspec namest="c2" nameend="c4" spanname="descr" />
<thead>
<row>
<entry spanname="id" align="left">ID</entry>
<entry align="left">Type</entry>
</row><row rowsep="1"><entry spanname="descr" align="left">Description</entry>
</row>
</thead>
<tbody valign="top">
<row><entry></entry></row>
<row>
<entry spanname="id"><constant>V4L2_CID_FM_RX_CLASS</constant>&nbsp;</entry>
<entry>class</entry>
</row><row><entry spanname="descr">The FM_RX class
descriptor. Calling &VIDIOC-QUERYCTRL; for this control will return a
description of this control class.</entry>
</row>
<row>
<entry spanname="id"><constant>V4L2_CID_RDS_RECEPTION</constant>&nbsp;</entry>
<entry>boolean</entry>
</row><row><entry spanname="descr">Enables/disables RDS
reception by the radio tuner</entry>
</row>
<row>
<entry spanname="id"><constant>V4L2_CID_TUNE_DEEMPHASIS</constant>&nbsp;</entry>
<entry>enum v4l2_deemphasis</entry>
</row>
<row id="v4l2-deemphasis"><entry spanname="descr">Configures the de-emphasis value for reception.
A de-emphasis filter is applied to the broadcast to accentuate the high audio frequencies.
Depending on the region, a time constant of either 50 or 75 useconds is used. The enum&nbsp;v4l2_deemphasis
defines possible values for de-emphasis. Here they are:</entry>
</row><row>
<entrytbl spanname="descr" cols="2">
<tbody valign="top">
<row>
<entry><constant>V4L2_DEEMPHASIS_DISABLED</constant>&nbsp;</entry>
<entry>No de-emphasis is applied.</entry>
</row>
<row>
<entry><constant>V4L2_DEEMPHASIS_50_uS</constant>&nbsp;</entry>
<entry>A de-emphasis of 50 uS is used.</entry>
</row>
<row>
<entry><constant>V4L2_DEEMPHASIS_75_uS</constant>&nbsp;</entry>
<entry>A de-emphasis of 75 uS is used.</entry>
</row>
</tbody>
</entrytbl>
</row>
<row><entry></entry></row>
</tbody>
</tgroup>
</table>
</section>
</section>

6
Documentation/DocBook/media/v4l/io.xml
View file

@ -1145,6 +1145,12 @@ in which case caches have not been used.</entry>
same clock outside V4L2, use
<function>clock_gettime(2)</function> .</entry>
</row>
<row>
<entry><constant>V4L2_BUF_FLAG_TIMESTAMP_COPY</constant></entry>
<entry>0x4000</entry>
<entry>The CAPTURE buffer timestamp has been taken from the
corresponding OUTPUT buffer. This flag applies only to mem2mem devices.</entry>
</row>
</tbody>
</tgroup>
</table>

10
Documentation/DocBook/media/v4l/media-ioc-enum-entities.xml
View file

@ -272,6 +272,16 @@
<entry><constant>MEDIA_ENT_T_V4L2_SUBDEV_LENS</constant></entry>
<entry>Lens controller</entry>
</row>
<row>
<entry><constant>MEDIA_ENT_T_V4L2_SUBDEV_DECODER</constant></entry>
<entry>Video decoder, the basic function of the video decoder is to
accept analogue video from a wide variety of sources such as
broadcast, DVD players, cameras and video cassette recorders, in
either NTSC, PAL or HD format and still occasionally SECAM, separate
it into its component parts, luminance and chrominance, and output
it in some digital video standard, with appropriate embedded timing
signals.</entry>
</row>
</tbody>
</tgroup>
</table>

206
Documentation/DocBook/media/v4l/subdev-formats.xml
View file

@ -93,19 +93,35 @@
<table pgwide="0" frame="none" id="v4l2-mbus-pixelcode-rgb">
<title>RGB formats</title>
<tgroup cols="11">
<tgroup cols="27">
<colspec colname="id" align="left" />
<colspec colname="code" align="center"/>
<colspec colname="bit" />
<colspec colnum="4" colname="b07" align="center" />
<colspec colnum="5" colname="b06" align="center" />
<colspec colnum="6" colname="b05" align="center" />
<colspec colnum="7" colname="b04" align="center" />
<colspec colnum="8" colname="b03" align="center" />
<colspec colnum="9" colname="b02" align="center" />
<colspec colnum="10" colname="b01" align="center" />
<colspec colnum="11" colname="b00" align="center" />
<spanspec namest="b07" nameend="b00" spanname="b0" />
<colspec colnum="4" colname="b23" align="center" />
<colspec colnum="5" colname="b22" align="center" />
<colspec colnum="6" colname="b21" align="center" />
<colspec colnum="7" colname="b20" align="center" />
<colspec colnum="8" colname="b19" align="center" />
<colspec colnum="9" colname="b18" align="center" />
<colspec colnum="10" colname="b17" align="center" />
<colspec colnum="11" colname="b16" align="center" />
<colspec colnum="12" colname="b15" align="center" />
<colspec colnum="13" colname="b14" align="center" />
<colspec colnum="14" colname="b13" align="center" />
<colspec colnum="15" colname="b12" align="center" />
<colspec colnum="16" colname="b11" align="center" />
<colspec colnum="17" colname="b10" align="center" />
<colspec colnum="18" colname="b09" align="center" />
<colspec colnum="19" colname="b08" align="center" />
<colspec colnum="20" colname="b07" align="center" />
<colspec colnum="21" colname="b06" align="center" />
<colspec colnum="22" colname="b05" align="center" />
<colspec colnum="23" colname="b04" align="center" />
<colspec colnum="24" colname="b03" align="center" />
<colspec colnum="25" colname="b02" align="center" />
<colspec colnum="26" colname="b01" align="center" />
<colspec colnum="27" colname="b00" align="center" />
<spanspec namest="b23" nameend="b00" spanname="b0" />
<thead>
<row>
<entry>Identifier</entry>
@ -117,6 +133,22 @@
<entry></entry>
<entry></entry>
<entry>Bit</entry>
<entry>23</entry>
<entry>22</entry>
<entry>21</entry>
<entry>20</entry>
<entry>19</entry>
<entry>18</entry>
<entry>17</entry>
<entry>16</entry>
<entry>15</entry>
<entry>14</entry>
<entry>13</entry>
<entry>12</entry>
<entry>11</entry>
<entry>10</entry>
<entry>9</entry>
<entry>8</entry>
<entry>7</entry>
<entry>6</entry>
<entry>5</entry>
@ -132,6 +164,7 @@
<entry>V4L2_MBUS_FMT_RGB444_2X8_PADHI_BE</entry>
<entry>0x1001</entry>
<entry></entry>
&dash-ent-16;
<entry>0</entry>
<entry>0</entry>
<entry>0</entry>
@ -145,6 +178,7 @@
<entry></entry>
<entry></entry>
<entry></entry>
&dash-ent-16;
<entry>g<subscript>3</subscript></entry>
<entry>g<subscript>2</subscript></entry>
<entry>g<subscript>1</subscript></entry>
@ -158,6 +192,7 @@
<entry>V4L2_MBUS_FMT_RGB444_2X8_PADHI_LE</entry>
<entry>0x1002</entry>
<entry></entry>
&dash-ent-16;
<entry>g<subscript>3</subscript></entry>
<entry>g<subscript>2</subscript></entry>
<entry>g<subscript>1</subscript></entry>
@ -171,6 +206,7 @@
<entry></entry>
<entry></entry>
<entry></entry>
&dash-ent-16;
<entry>0</entry>
<entry>0</entry>
<entry>0</entry>
@ -184,6 +220,7 @@
<entry>V4L2_MBUS_FMT_RGB555_2X8_PADHI_BE</entry>
<entry>0x1003</entry>
<entry></entry>
&dash-ent-16;
<entry>0</entry>
<entry>r<subscript>4</subscript></entry>
<entry>r<subscript>3</subscript></entry>
@ -197,6 +234,7 @@
<entry></entry>
<entry></entry>
<entry></entry>
&dash-ent-16;
<entry>g<subscript>2</subscript></entry>
<entry>g<subscript>1</subscript></entry>
<entry>g<subscript>0</subscript></entry>
@ -210,6 +248,7 @@
<entry>V4L2_MBUS_FMT_RGB555_2X8_PADHI_LE</entry>
<entry>0x1004</entry>
<entry></entry>
&dash-ent-16;
<entry>g<subscript>2</subscript></entry>
<entry>g<subscript>1</subscript></entry>
<entry>g<subscript>0</subscript></entry>
@ -223,6 +262,7 @@
<entry></entry>
<entry></entry>
<entry></entry>
&dash-ent-16;
<entry>0</entry>
<entry>r<subscript>4</subscript></entry>
<entry>r<subscript>3</subscript></entry>
@ -236,6 +276,7 @@
<entry>V4L2_MBUS_FMT_BGR565_2X8_BE</entry>
<entry>0x1005</entry>
<entry></entry>
&dash-ent-16;
<entry>b<subscript>4</subscript></entry>
<entry>b<subscript>3</subscript></entry>
<entry>b<subscript>2</subscript></entry>
@ -249,6 +290,7 @@
<entry></entry>
<entry></entry>
<entry></entry>
&dash-ent-16;
<entry>g<subscript>2</subscript></entry>
<entry>g<subscript>1</subscript></entry>
<entry>g<subscript>0</subscript></entry>
@ -262,6 +304,7 @@
<entry>V4L2_MBUS_FMT_BGR565_2X8_LE</entry>
<entry>0x1006</entry>
<entry></entry>
&dash-ent-16;
<entry>g<subscript>2</subscript></entry>
<entry>g<subscript>1</subscript></entry>
<entry>g<subscript>0</subscript></entry>
@ -275,6 +318,7 @@
<entry></entry>
<entry></entry>
<entry></entry>
&dash-ent-16;
<entry>b<subscript>4</subscript></entry>
<entry>b<subscript>3</subscript></entry>
<entry>b<subscript>2</subscript></entry>
@ -288,6 +332,7 @@
<entry>V4L2_MBUS_FMT_RGB565_2X8_BE</entry>
<entry>0x1007</entry>
<entry></entry>
&dash-ent-16;
<entry>r<subscript>4</subscript></entry>
<entry>r<subscript>3</subscript></entry>
<entry>r<subscript>2</subscript></entry>
@ -301,6 +346,7 @@
<entry></entry>
<entry></entry>
<entry></entry>
&dash-ent-16;
<entry>g<subscript>2</subscript></entry>
<entry>g<subscript>1</subscript></entry>
<entry>g<subscript>0</subscript></entry>
@ -314,6 +360,7 @@
<entry>V4L2_MBUS_FMT_RGB565_2X8_LE</entry>
<entry>0x1008</entry>
<entry></entry>
&dash-ent-16;
<entry>g<subscript>2</subscript></entry>
<entry>g<subscript>1</subscript></entry>
<entry>g<subscript>0</subscript></entry>
@ -327,6 +374,7 @@
<entry></entry>
<entry></entry>
<entry></entry>
&dash-ent-16;
<entry>r<subscript>4</subscript></entry>
<entry>r<subscript>3</subscript></entry>
<entry>r<subscript>2</subscript></entry>
@ -336,6 +384,144 @@
<entry>g<subscript>4</subscript></entry>
<entry>g<subscript>3</subscript></entry>
</row>
<row id="V4L2-MBUS-FMT-RGB666-1X18">
<entry>V4L2_MBUS_FMT_RGB666_1X18</entry>
<entry>0x1009</entry>
<entry></entry>
<entry>-</entry>
<entry>-</entry>
<entry>-</entry>
<entry>-</entry>
<entry>-</entry>
<entry>-</entry>
<entry>r<subscript>5</subscript></entry>
<entry>r<subscript>4</subscript></entry>
<entry>r<subscript>3</subscript></entry>
<entry>r<subscript>2</subscript></entry>
<entry>r<subscript>1</subscript></entry>
<entry>r<subscript>0</subscript></entry>
<entry>g<subscript>5</subscript></entry>
<entry>g<subscript>4</subscript></entry>
<entry>g<subscript>3</subscript></entry>
<entry>g<subscript>2</subscript></entry>
<entry>g<subscript>1</subscript></entry>
<entry>g<subscript>0</subscript></entry>
<entry>b<subscript>5</subscript></entry>
<entry>b<subscript>4</subscript></entry>
<entry>b<subscript>3</subscript></entry>
<entry>b<subscript>2</subscript></entry>
<entry>b<subscript>1</subscript></entry>
<entry>b<subscript>0</subscript></entry>
</row>
<row id="V4L2-MBUS-FMT-RGB888-1X24">
<entry>V4L2_MBUS_FMT_RGB888_1X24</entry>
<entry>0x100a</entry>
<entry></entry>
<entry>r<subscript>7</subscript></entry>
<entry>r<subscript>6</subscript></entry>
<entry>r<subscript>5</subscript></entry>
<entry>r<subscript>4</subscript></entry>
<entry>r<subscript>3</subscript></entry>
<entry>r<subscript>2</subscript></entry>
<entry>r<subscript>1</subscript></entry>
<entry>r<subscript>0</subscript></entry>
<entry>g<subscript>7</subscript></entry>
<entry>g<subscript>6</subscript></entry>
<entry>g<subscript>5</subscript></entry>
<entry>g<subscript>4</subscript></entry>
<entry>g<subscript>3</subscript></entry>
<entry>g<subscript>2</subscript></entry>
<entry>g<subscript>1</subscript></entry>
<entry>g<subscript>0</subscript></entry>
<entry>b<subscript>7</subscript></entry>
<entry>b<subscript>6</subscript></entry>
<entry>b<subscript>5</subscript></entry>
<entry>b<subscript>4</subscript></entry>
<entry>b<subscript>3</subscript></entry>
<entry>b<subscript>2</subscript></entry>
<entry>b<subscript>1</subscript></entry>
<entry>b<subscript>0</subscript></entry>
</row>
<row id="V4L2-MBUS-FMT-RGB888-2X12-BE">
<entry>V4L2_MBUS_FMT_RGB888_2X12_BE</entry>
<entry>0x100b</entry>
<entry></entry>
&dash-ent-10;
<entry>-</entry>
<entry>-</entry>
<entry>r<subscript>7</subscript></entry>
<entry>r<subscript>6</subscript></entry>
<entry>r<subscript>5</subscript></entry>
<entry>r<subscript>4</subscript></entry>
<entry>r<subscript>3</subscript></entry>
<entry>r<subscript>2</subscript></entry>
<entry>r<subscript>1</subscript></entry>
<entry>r<subscript>0</subscript></entry>
<entry>g<subscript>7</subscript></entry>
<entry>g<subscript>6</subscript></entry>
<entry>g<subscript>5</subscript></entry>
<entry>g<subscript>4</subscript></entry>
</row>
<row>
<entry></entry>
<entry></entry>
<entry></entry>
&dash-ent-10;
<entry>-</entry>
<entry>-</entry>
<entry>g<subscript>3</subscript></entry>
<entry>g<subscript>2</subscript></entry>
<entry>g<subscript>1</subscript></entry>
<entry>g<subscript>0</subscript></entry>
<entry>b<subscript>7</subscript></entry>
<entry>b<subscript>6</subscript></entry>
<entry>b<subscript>5</subscript></entry>
<entry>b<subscript>4</subscript></entry>
<entry>b<subscript>3</subscript></entry>
<entry>b<subscript>2</subscript></entry>
<entry>b<subscript>1</subscript></entry>
<entry>b<subscript>0</subscript></entry>
</row>
<row id="V4L2-MBUS-FMT-RGB888-2X12-LE">
<entry>V4L2_MBUS_FMT_RGB888_2X12_LE</entry>
<entry>0x100c</entry>
<entry></entry>
&dash-ent-10;
<entry>-</entry>
<entry>-</entry>
<entry>g<subscript>3</subscript></entry>
<entry>g<subscript>2</subscript></entry>
<entry>g<subscript>1</subscript></entry>
<entry>g<subscript>0</subscript></entry>
<entry>b<subscript>7</subscript></entry>
<entry>b<subscript>6</subscript></entry>
<entry>b<subscript>5</subscript></entry>
<entry>b<subscript>4</subscript></entry>
<entry>b<subscript>3</subscript></entry>
<entry>b<subscript>2</subscript></entry>
<entry>b<subscript>1</subscript></entry>
<entry>b<subscript>0</subscript></entry>
</row>
<row>
<entry></entry>
<entry></entry>
<entry></entry>
&dash-ent-10;
<entry>-</entry>
<entry>-</entry>
<entry>r<subscript>7</subscript></entry>
<entry>r<subscript>6</subscript></entry>
<entry>r<subscript>5</subscript></entry>
<entry>r<subscript>4</subscript></entry>
<entry>r<subscript>3</subscript></entry>
<entry>r<subscript>2</subscript></entry>
<entry>r<subscript>1</subscript></entry>
<entry>r<subscript>0</subscript></entry>
<entry>g<subscript>7</subscript></entry>
<entry>g<subscript>6</subscript></entry>
<entry>g<subscript>5</subscript></entry>
<entry>g<subscript>4</subscript></entry>
</row>
</tbody>
</tgroup>
</table>

19
Documentation/DocBook/media/v4l/v4l2.xml
View file

@ -124,6 +124,7 @@ Remote Controller chapter.</contrib>
<year>2010</year>
<year>2011</year>
<year>2012</year>
<year>2013</year>
<holder>Bill Dirks, Michael H. Schimek, Hans Verkuil, Martin
Rubli, Andy Walls, Muralidharan Karicheri, Mauro Carvalho Chehab,
Pawel Osciak</holder>
@ -139,13 +140,23 @@ structs, ioctls) must be noted in more detail in the history chapter
(compat.xml), along with the possible impact on existing drivers and
applications. -->
<revision>
<revnumber>3.10</revnumber>
<date>2013-03-25</date>
<authorinitials>hv</authorinitials>
<revremark>Remove obsolete and unused DV_PRESET ioctls:
VIDIOC_G_DV_PRESET, VIDIOC_S_DV_PRESET, VIDIOC_QUERY_DV_PRESET and
VIDIOC_ENUM_DV_PRESET. Remove the related v4l2_input/output capability
flags V4L2_IN_CAP_PRESETS and V4L2_OUT_CAP_PRESETS. Added VIDIOC_DBG_G_CHIP_INFO.
</revremark>
</revision>
<revision>
<revnumber>3.9</revnumber>
<date>2012-12-03</date>
<authorinitials>sa, sn</authorinitials>
<revremark>Added timestamp types to v4l2_buffer.
Added <constant>V4L2_EVENT_CTRL_CH_RANGE</constant> control
event changes flag, see <xref linkend="changes-flags"/>.
Added V4L2_EVENT_CTRL_CH_RANGE control event changes flag.
</revremark>
</revision>
@ -537,6 +548,7 @@ and discussions on the V4L mailing list.</revremark>
&sub-create-bufs;
&sub-cropcap;
&sub-dbg-g-chip-ident;
&sub-dbg-g-chip-info;
&sub-dbg-g-register;
&sub-decoder-cmd;
&sub-dqevent;
@ -544,7 +556,6 @@ and discussions on the V4L mailing list.</revremark>
&sub-encoder-cmd;
&sub-enumaudio;
&sub-enumaudioout;
&sub-enum-dv-presets;
&sub-enum-dv-timings;
&sub-enum-fmt;
&sub-enum-framesizes;
@ -558,7 +569,6 @@ and discussions on the V4L mailing list.</revremark>
&sub-g-audioout;
&sub-g-crop;
&sub-g-ctrl;
&sub-g-dv-preset;
&sub-g-dv-timings;
&sub-g-enc-index;
&sub-g-ext-ctrls;
@ -582,7 +592,6 @@ and discussions on the V4L mailing list.</revremark>
&sub-querybuf;
&sub-querycap;
&sub-queryctrl;
&sub-query-dv-preset;
&sub-query-dv-timings;
&sub-querystd;
&sub-reqbufs;

9
Documentation/DocBook/media/v4l/vidioc-dbg-g-chip-ident.xml
View file

@ -200,10 +200,10 @@ the values from <xref linkend="chip-ids" />.</entry>
&cs-def;
<tbody valign="top">
<row>
<entry><constant>V4L2_CHIP_MATCH_HOST</constant></entry>
<entry><constant>V4L2_CHIP_MATCH_BRIDGE</constant></entry>
<entry>0</entry>
<entry>Match the nth chip on the card, zero for the
host chip. Does not match &i2c; chips.</entry>
bridge chip. Does not match sub-devices.</entry>
</row>
<row>
<entry><constant>V4L2_CHIP_MATCH_I2C_DRIVER</constant></entry>
@ -220,6 +220,11 @@ the values from <xref linkend="chip-ids" />.</entry>
<entry>3</entry>
<entry>Match the nth anciliary AC97 chip.</entry>
</row>
<row>
<entry><constant>V4L2_CHIP_MATCH_SUBDEV</constant></entry>
<entry>4</entry>
<entry>Match the nth sub-device. Can't be used with this ioctl.</entry>
</row>
</tbody>
</tgroup>
</table>

223
Documentation/DocBook/media/v4l/vidioc-dbg-g-chip-info.xml Normal file
View file

@ -0,0 +1,223 @@
<refentry id="vidioc-dbg-g-chip-info">
<refmeta>
<refentrytitle>ioctl VIDIOC_DBG_G_CHIP_INFO</refentrytitle>
&manvol;
</refmeta>
<refnamediv>
<refname>VIDIOC_DBG_G_CHIP_INFO</refname>
<refpurpose>Identify the chips on a TV card</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 v4l2_dbg_chip_info
*<parameter>argp</parameter></paramdef>
</funcprototype>
</funcsynopsis>
</refsynopsisdiv>
<refsect1>
<title>Arguments</title>
<variablelist>
<varlistentry>
<term><parameter>fd</parameter></term>
<listitem>
<para>&fd;</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>request</parameter></term>
<listitem>
<para>VIDIOC_DBG_G_CHIP_INFO</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>argp</parameter></term>
<listitem>
<para></para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1>
<title>Description</title>
<note>
<title>Experimental</title>
<para>This is an <link
linkend="experimental">experimental</link> interface and may change in
the future.</para>
</note>
<para>For driver debugging purposes this ioctl allows test
applications to query the driver about the chips present on the TV
card. Regular applications must not use it. When you found a chip
specific bug, please contact the linux-media mailing list (&v4l-ml;)
so it can be fixed.</para>
<para>Additionally the Linux kernel must be compiled with the
<constant>CONFIG_VIDEO_ADV_DEBUG</constant> option to enable this ioctl.</para>
<para>To query the driver applications must initialize the
<structfield>match.type</structfield> and
<structfield>match.addr</structfield> or <structfield>match.name</structfield>
fields of a &v4l2-dbg-chip-info;
and call <constant>VIDIOC_DBG_G_CHIP_INFO</constant> with a pointer to
this structure. On success the driver stores information about the
selected chip in the <structfield>name</structfield> and
<structfield>flags</structfield> fields. On failure the structure
remains unchanged.</para>
<para>When <structfield>match.type</structfield> is
<constant>V4L2_CHIP_MATCH_BRIDGE</constant>,
<structfield>match.addr</structfield> selects the nth bridge 'chip'
on the TV card. You can enumerate all chips by starting at zero and
incrementing <structfield>match.addr</structfield> by one until
<constant>VIDIOC_DBG_G_CHIP_INFO</constant> fails with an &EINVAL;.
The number zero always selects the bridge chip itself, &eg; the chip
connected to the PCI or USB bus. Non-zero numbers identify specific
parts of the bridge chip such as an AC97 register block.</para>
<para>When <structfield>match.type</structfield> is
<constant>V4L2_CHIP_MATCH_SUBDEV</constant>,
<structfield>match.addr</structfield> selects the nth sub-device. This
allows you to enumerate over all sub-devices.</para>
<para>On success, the <structfield>name</structfield> field will
contain a chip name and the <structfield>flags</structfield> field will
contain <constant>V4L2_CHIP_FL_READABLE</constant> if the driver supports
reading registers from the device or <constant>V4L2_CHIP_FL_WRITABLE</constant>
if the driver supports writing registers to the device.</para>
<para>We recommended the <application>v4l2-dbg</application>
utility over calling this ioctl directly. It is available from the
LinuxTV v4l-dvb repository; see <ulink
url="http://linuxtv.org/repo/">http://linuxtv.org/repo/</ulink> for
access instructions.</para>
<!-- Note for convenience vidioc-dbg-g-register.sgml
contains a duplicate of this table. -->
<table pgwide="1" frame="none" id="name-v4l2-dbg-match">
<title>struct <structname>v4l2_dbg_match</structname></title>
<tgroup cols="4">
&cs-ustr;
<tbody valign="top">
<row>
<entry>__u32</entry>
<entry><structfield>type</structfield></entry>
<entry>See <xref linkend="name-chip-match-types" /> for a list of
possible types.</entry>
</row>
<row>
<entry>union</entry>
<entry>(anonymous)</entry>
</row>
<row>
<entry></entry>
<entry>__u32</entry>
<entry><structfield>addr</structfield></entry>
<entry>Match a chip by this number, interpreted according
to the <structfield>type</structfield> field.</entry>
</row>
<row>
<entry></entry>
<entry>char</entry>
<entry><structfield>name[32]</structfield></entry>
<entry>Match a chip by this name, interpreted according
to the <structfield>type</structfield> field.</entry>
</row>
</tbody>
</tgroup>
</table>
<table pgwide="1" frame="none" id="v4l2-dbg-chip-info">
<title>struct <structname>v4l2_dbg_chip_info</structname></title>
<tgroup cols="3">
&cs-str;
<tbody valign="top">
<row>
<entry>struct v4l2_dbg_match</entry>
<entry><structfield>match</structfield></entry>
<entry>How to match the chip, see <xref linkend="name-v4l2-dbg-match" />.</entry>
</row>
<row>
<entry>char</entry>
<entry><structfield>name[32]</structfield></entry>
<entry>The name of the chip.</entry>
</row>
<row>
<entry>__u32</entry>
<entry><structfield>flags</structfield></entry>
<entry>Set by the driver. If <constant>V4L2_CHIP_FL_READABLE</constant>
is set, then the driver supports reading registers from the device. If
<constant>V4L2_CHIP_FL_WRITABLE</constant> is set, then it supports writing registers.</entry>
</row>
<row>
<entry>__u32</entry>
<entry><structfield>reserved[8]</structfield></entry>
<entry>Reserved fields, both application and driver must set these to 0.</entry>
</row>
</tbody>
</tgroup>
</table>
<!-- Note for convenience vidioc-dbg-g-register.sgml
contains a duplicate of this table. -->
<table pgwide="1" frame="none" id="name-chip-match-types">
<title>Chip Match Types</title>
<tgroup cols="3">
&cs-def;
<tbody valign="top">
<row>
<entry><constant>V4L2_CHIP_MATCH_BRIDGE</constant></entry>
<entry>0</entry>
<entry>Match the nth chip on the card, zero for the
bridge chip. Does not match sub-devices.</entry>
</row>
<row>
<entry><constant>V4L2_CHIP_MATCH_I2C_DRIVER</constant></entry>
<entry>1</entry>
<entry>Match an &i2c; chip by its driver name. Can't be used with this ioctl.</entry>
</row>
<row>
<entry><constant>V4L2_CHIP_MATCH_I2C_ADDR</constant></entry>
<entry>2</entry>
<entry>Match a chip by its 7 bit &i2c; bus address. Can't be used with this ioctl.</entry>
</row>
<row>
<entry><constant>V4L2_CHIP_MATCH_AC97</constant></entry>
<entry>3</entry>
<entry>Match the nth anciliary AC97 chip. Can't be used with this ioctl.</entry>
</row>
<row>
<entry><constant>V4L2_CHIP_MATCH_SUBDEV</constant></entry>
<entry>4</entry>
<entry>Match the nth sub-device.</entry>
</row>
</tbody>
</tgroup>
</table>
</refsect1>
<refsect1>
&return-value;
<variablelist>
<varlistentry>
<term><errorcode>EINVAL</errorcode></term>
<listitem>
<para>The <structfield>match_type</structfield> is invalid or
no device could be matched.</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
</refentry>

29
Documentation/DocBook/media/v4l/vidioc-dbg-g-register.xml
View file

@ -87,7 +87,7 @@ written into the register.</para>
<para>To read a register applications must initialize the
<structfield>match.type</structfield>,
<structfield>match.chip</structfield> or <structfield>match.name</structfield> and
<structfield>match.addr</structfield> or <structfield>match.name</structfield> and
<structfield>reg</structfield> fields, and call
<constant>VIDIOC_DBG_G_REGISTER</constant> with a pointer to this
structure. On success the driver stores the register value in the
@ -95,11 +95,11 @@ structure. On success the driver stores the register value in the
unchanged.</para>
<para>When <structfield>match.type</structfield> is
<constant>V4L2_CHIP_MATCH_HOST</constant>,
<structfield>match.addr</structfield> selects the nth non-&i2c; chip
<constant>V4L2_CHIP_MATCH_BRIDGE</constant>,
<structfield>match.addr</structfield> selects the nth non-sub-device chip
on the TV card. The number zero always selects the host chip, &eg; the
chip connected to the PCI or USB bus. You can find out which chips are
present with the &VIDIOC-DBG-G-CHIP-IDENT; ioctl.</para>
present with the &VIDIOC-DBG-G-CHIP-INFO; ioctl.</para>
<para>When <structfield>match.type</structfield> is
<constant>V4L2_CHIP_MATCH_I2C_DRIVER</constant>,
@ -109,7 +109,7 @@ For instance
supported by the saa7127 driver, regardless of its &i2c; bus address.
When multiple chips supported by the same driver are present, the
effect of these ioctls is undefined. Again with the
&VIDIOC-DBG-G-CHIP-IDENT; ioctl you can find out which &i2c; chips are
&VIDIOC-DBG-G-CHIP-INFO; ioctl you can find out which &i2c; chips are
present.</para>
<para>When <structfield>match.type</structfield> is
@ -122,19 +122,23 @@ bus address.</para>
<structfield>match.addr</structfield> selects the nth AC97 chip
on the TV card.</para>
<para>When <structfield>match.type</structfield> is
<constant>V4L2_CHIP_MATCH_SUBDEV</constant>,
<structfield>match.addr</structfield> selects the nth sub-device.</para>
<note>
<title>Success not guaranteed</title>
<para>Due to a flaw in the Linux &i2c; bus driver these ioctls may
return successfully without actually reading or writing a register. To
catch the most likely failure we recommend a &VIDIOC-DBG-G-CHIP-IDENT;
catch the most likely failure we recommend a &VIDIOC-DBG-G-CHIP-INFO;
call confirming the presence of the selected &i2c; chip.</para>
</note>
<para>These ioctls are optional, not all drivers may support them.
However when a driver supports these ioctls it must also support
&VIDIOC-DBG-G-CHIP-IDENT;. Conversely it may support
<constant>VIDIOC_DBG_G_CHIP_IDENT</constant> but not these ioctls.</para>
&VIDIOC-DBG-G-CHIP-INFO;. Conversely it may support
<constant>VIDIOC_DBG_G_CHIP_INFO</constant> but not these ioctls.</para>
<para><constant>VIDIOC_DBG_G_REGISTER</constant> and
<constant>VIDIOC_DBG_S_REGISTER</constant> were introduced in Linux
@ -217,10 +221,10 @@ register.</entry>
&cs-def;
<tbody valign="top">
<row>
<entry><constant>V4L2_CHIP_MATCH_HOST</constant></entry>
<entry><constant>V4L2_CHIP_MATCH_BRIDGE</constant></entry>
<entry>0</entry>
<entry>Match the nth chip on the card, zero for the
host chip. Does not match &i2c; chips.</entry>
bridge chip. Does not match sub-devices.</entry>
</row>
<row>
<entry><constant>V4L2_CHIP_MATCH_I2C_DRIVER</constant></entry>
@ -237,6 +241,11 @@ register.</entry>
<entry>3</entry>
<entry>Match the nth anciliary AC97 chip.</entry>
</row>
<row>
<entry><constant>V4L2_CHIP_MATCH_SUBDEV</constant></entry>
<entry>4</entry>
<entry>Match the nth sub-device.</entry>
</row>
</tbody>
</tgroup>
</table>

240
Documentation/DocBook/media/v4l/vidioc-enum-dv-presets.xml
View file

@ -1,240 +0,0 @@
<refentry id="vidioc-enum-dv-presets">
<refmeta>
<refentrytitle>ioctl VIDIOC_ENUM_DV_PRESETS</refentrytitle>
&manvol;
</refmeta>
<refnamediv>
<refname>VIDIOC_ENUM_DV_PRESETS</refname>
<refpurpose>Enumerate supported Digital Video presets</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 v4l2_dv_enum_preset *<parameter>argp</parameter></paramdef>
</funcprototype>
</funcsynopsis>
</refsynopsisdiv>
<refsect1>
<title>Arguments</title>
<variablelist>
<varlistentry>
<term><parameter>fd</parameter></term>
<listitem>
<para>&fd;</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>request</parameter></term>
<listitem>
<para>VIDIOC_ENUM_DV_PRESETS</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>argp</parameter></term>
<listitem>
<para></para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1>
<title>Description</title>
<para>This ioctl is <emphasis role="bold">deprecated</emphasis>.
New drivers and applications should use &VIDIOC-ENUM-DV-TIMINGS; instead.
</para>
<para>To query the attributes of a DV preset, applications initialize the
<structfield>index</structfield> field and zero the reserved array of &v4l2-dv-enum-preset;
and call the <constant>VIDIOC_ENUM_DV_PRESETS</constant> ioctl with a pointer to this
structure. Drivers fill the rest of the structure or return an
&EINVAL; when the index is out of bounds. To enumerate all DV Presets supported,
applications shall begin at index zero, incrementing by one until the
driver returns <errorcode>EINVAL</errorcode>. Drivers may enumerate a
different set of DV presets after switching the video input or
output.</para>
<table pgwide="1" frame="none" id="v4l2-dv-enum-preset">
<title>struct <structname>v4l2_dv_enum_presets</structname></title>
<tgroup cols="3">
&cs-str;
<tbody valign="top">
<row>
<entry>__u32</entry>
<entry><structfield>index</structfield></entry>
<entry>Number of the DV preset, set by the
application.</entry>
</row>
<row>
<entry>__u32</entry>
<entry><structfield>preset</structfield></entry>
<entry>This field identifies one of the DV preset values listed in <xref linkend="v4l2-dv-presets-vals"/>.</entry>
</row>
<row>
<entry>__u8</entry>
<entry><structfield>name</structfield>[24]</entry>
<entry>Name of the preset, a NUL-terminated ASCII string, for example: "720P-60", "1080I-60". This information is
intended for the user.</entry>
</row>
<row>
<entry>__u32</entry>
<entry><structfield>width</structfield></entry>
<entry>Width of the active video in pixels for the DV preset.</entry>
</row>
<row>
<entry>__u32</entry>
<entry><structfield>height</structfield></entry>
<entry>Height of the active video in lines for the DV preset.</entry>
</row>
<row>
<entry>__u32</entry>
<entry><structfield>reserved</structfield>[4]</entry>
<entry>Reserved for future extensions. Drivers must set the array to zero.</entry>
</row>
</tbody>
</tgroup>
</table>
<table pgwide="1" frame="none" id="v4l2-dv-presets-vals">
<title>struct <structname>DV Presets</structname></title>
<tgroup cols="3">
&cs-str;
<tbody valign="top">
<row>
<entry>Preset</entry>
<entry>Preset value</entry>
<entry>Description</entry>
</row>
<row>
<entry></entry>
<entry></entry>
<entry></entry>
</row>
<row>
<entry>V4L2_DV_INVALID</entry>
<entry>0</entry>
<entry>Invalid preset value.</entry>
</row>
<row>
<entry>V4L2_DV_480P59_94</entry>
<entry>1</entry>
<entry>720x480 progressive video at 59.94 fps as per BT.1362.</entry>
</row>
<row>
<entry>V4L2_DV_576P50</entry>
<entry>2</entry>
<entry>720x576 progressive video at 50 fps as per BT.1362.</entry>
</row>
<row>
<entry>V4L2_DV_720P24</entry>
<entry>3</entry>
<entry>1280x720 progressive video at 24 fps as per SMPTE 296M.</entry>
</row>
<row>
<entry>V4L2_DV_720P25</entry>
<entry>4</entry>
<entry>1280x720 progressive video at 25 fps as per SMPTE 296M.</entry>
</row>
<row>
<entry>V4L2_DV_720P30</entry>
<entry>5</entry>
<entry>1280x720 progressive video at 30 fps as per SMPTE 296M.</entry>
</row>
<row>
<entry>V4L2_DV_720P50</entry>
<entry>6</entry>
<entry>1280x720 progressive video at 50 fps as per SMPTE 296M.</entry>
</row>
<row>
<entry>V4L2_DV_720P59_94</entry>
<entry>7</entry>
<entry>1280x720 progressive video at 59.94 fps as per SMPTE 274M.</entry>
</row>
<row>
<entry>V4L2_DV_720P60</entry>
<entry>8</entry>
<entry>1280x720 progressive video at 60 fps as per SMPTE 274M/296M.</entry>
</row>
<row>
<entry>V4L2_DV_1080I29_97</entry>
<entry>9</entry>
<entry>1920x1080 interlaced video at 29.97 fps as per BT.1120/SMPTE 274M.</entry>
</row>
<row>
<entry>V4L2_DV_1080I30</entry>
<entry>10</entry>
<entry>1920x1080 interlaced video at 30 fps as per BT.1120/SMPTE 274M.</entry>
</row>
<row>
<entry>V4L2_DV_1080I25</entry>
<entry>11</entry>
<entry>1920x1080 interlaced video at 25 fps as per BT.1120.</entry>
</row>
<row>
<entry>V4L2_DV_1080I50</entry>
<entry>12</entry>
<entry>1920x1080 interlaced video at 50 fps as per SMPTE 296M.</entry>
</row>
<row>
<entry>V4L2_DV_1080I60</entry>
<entry>13</entry>
<entry>1920x1080 interlaced video at 60 fps as per SMPTE 296M.</entry>
</row>
<row>
<entry>V4L2_DV_1080P24</entry>
<entry>14</entry>
<entry>1920x1080 progressive video at 24 fps as per SMPTE 296M.</entry>
</row>
<row>
<entry>V4L2_DV_1080P25</entry>
<entry>15</entry>
<entry>1920x1080 progressive video at 25 fps as per SMPTE 296M.</entry>
</row>
<row>
<entry>V4L2_DV_1080P30</entry>
<entry>16</entry>
<entry>1920x1080 progressive video at 30 fps as per SMPTE 296M.</entry>
</row>
<row>
<entry>V4L2_DV_1080P50</entry>
<entry>17</entry>
<entry>1920x1080 progressive video at 50 fps as per BT.1120.</entry>
</row>
<row>
<entry>V4L2_DV_1080P60</entry>
<entry>18</entry>
<entry>1920x1080 progressive video at 60 fps as per BT.1120.</entry>
</row>
</tbody>
</tgroup>
</table>
</refsect1>
<refsect1>
&return-value;
<variablelist>
<varlistentry>
<term><errorcode>EINVAL</errorcode></term>
<listitem>
<para>The &v4l2-dv-enum-preset; <structfield>index</structfield>
is out of bounds.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><errorcode>ENODATA</errorcode></term>
<listitem>
<para>Digital video presets are not supported for this input or output.</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
</refentry>

5
Documentation/DocBook/media/v4l/vidioc-enuminput.xml
View file

@ -277,11 +277,6 @@ input/output interface to [email protected] on 19 Oct 2009.
<tgroup cols="3">
&cs-def;
<tbody valign="top">
<row>
<entry><constant>V4L2_IN_CAP_PRESETS</constant></entry>
<entry>0x00000001</entry>
<entry>This input supports setting DV presets by using VIDIOC_S_DV_PRESET.</entry>
</row>
<row>
<entry><constant>V4L2_IN_CAP_DV_TIMINGS</constant></entry>
<entry>0x00000002</entry>

5
Documentation/DocBook/media/v4l/vidioc-enumoutput.xml
View file

@ -162,11 +162,6 @@ input/output interface to [email protected] on 19 Oct 2009.
<tgroup cols="3">
&cs-def;
<tbody valign="top">
<row>
<entry><constant>V4L2_OUT_CAP_PRESETS</constant></entry>
<entry>0x00000001</entry>
<entry>This output supports setting DV presets by using VIDIOC_S_DV_PRESET.</entry>
</row>
<row>
<entry><constant>V4L2_OUT_CAP_DV_TIMINGS</constant></entry>
<entry>0x00000002</entry>

113
Documentation/DocBook/media/v4l/vidioc-g-dv-preset.xml
View file

@ -1,113 +0,0 @@
<refentry id="vidioc-g-dv-preset">
<refmeta>
<refentrytitle>ioctl VIDIOC_G_DV_PRESET, VIDIOC_S_DV_PRESET</refentrytitle>
&manvol;
</refmeta>
<refnamediv>
<refname>VIDIOC_G_DV_PRESET</refname>
<refname>VIDIOC_S_DV_PRESET</refname>
<refpurpose>Query or select the DV preset of the current input or output</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 v4l2_dv_preset *<parameter>argp</parameter></paramdef>
</funcprototype>
</funcsynopsis>
</refsynopsisdiv>
<refsect1>
<title>Arguments</title>
<variablelist>
<varlistentry>
<term><parameter>fd</parameter></term>
<listitem>
<para>&fd;</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>request</parameter></term>
<listitem>
<para>VIDIOC_G_DV_PRESET, VIDIOC_S_DV_PRESET</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>argp</parameter></term>
<listitem>
<para></para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1>
<title>Description</title>
<para>These ioctls are <emphasis role="bold">deprecated</emphasis>.
New drivers and applications should use &VIDIOC-G-DV-TIMINGS; and &VIDIOC-S-DV-TIMINGS;
instead.
</para>
<para>To query and select the current DV preset, applications
use the <constant>VIDIOC_G_DV_PRESET</constant> and <constant>VIDIOC_S_DV_PRESET</constant>
ioctls which take a pointer to a &v4l2-dv-preset; type as argument.
Applications must zero the reserved array in &v4l2-dv-preset;.
<constant>VIDIOC_G_DV_PRESET</constant> returns a dv preset in the field
<structfield>preset</structfield> of &v4l2-dv-preset;.</para>
<para><constant>VIDIOC_S_DV_PRESET</constant> accepts a pointer to a &v4l2-dv-preset;
that has the preset value to be set. Applications must zero the reserved array in &v4l2-dv-preset;.
If the preset is not supported, it returns an &EINVAL; </para>
</refsect1>
<refsect1>
&return-value;
<variablelist>
<varlistentry>
<term><errorcode>EINVAL</errorcode></term>
<listitem>
<para>This ioctl is not supported, or the
<constant>VIDIOC_S_DV_PRESET</constant>,<constant>VIDIOC_S_DV_PRESET</constant> parameter was unsuitable.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><errorcode>ENODATA</errorcode></term>
<listitem>
<para>Digital video presets are not supported for this input or output.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><errorcode>EBUSY</errorcode></term>
<listitem>
<para>The device is busy and therefore can not change the preset.</para>
</listitem>
</varlistentry>
</variablelist>
<table pgwide="1" frame="none" id="v4l2-dv-preset">
<title>struct <structname>v4l2_dv_preset</structname></title>
<tgroup cols="3">
&cs-str;
<tbody valign="top">
<row>
<entry>__u32</entry>
<entry><structfield>preset</structfield></entry>
<entry>Preset value to represent the digital video timings</entry>
</row>
<row>
<entry>__u32</entry>
<entry><structfield>reserved[4]</structfield></entry>
<entry>Reserved fields for future use</entry>
</row>
</tbody>
</tgroup>
</table>
</refsect1>
</refentry>

9
Documentation/DocBook/media/v4l/vidioc-g-ext-ctrls.xml
View file

@ -319,6 +319,15 @@ These controls are described in <xref
processing controls. These controls are described in <xref
linkend="image-process-controls" />.</entry>
</row>
<row>
<entry><constant>V4L2_CTRL_CLASS_FM_RX</constant></entry>
<entry>0xa10000</entry>
<entry>The class containing FM Receiver (FM RX) controls.
These controls are described in <xref
linkend="fm-rx-controls" />.</entry>
</row>
</tbody>
</tgroup>
</table>

78
Documentation/DocBook/media/v4l/vidioc-query-dv-preset.xml
View file

@ -1,78 +0,0 @@
<refentry id="vidioc-query-dv-preset">
<refmeta>
<refentrytitle>ioctl VIDIOC_QUERY_DV_PRESET</refentrytitle>
&manvol;
</refmeta>
<refnamediv>
<refname>VIDIOC_QUERY_DV_PRESET</refname>
<refpurpose>Sense the DV preset received by the current
input</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 v4l2_dv_preset *<parameter>argp</parameter></paramdef>
</funcprototype>
</funcsynopsis>
</refsynopsisdiv>
<refsect1>
<title>Arguments</title>
<variablelist>
<varlistentry>
<term><parameter>fd</parameter></term>
<listitem>
<para>&fd;</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>request</parameter></term>
<listitem>
<para>VIDIOC_QUERY_DV_PRESET</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>argp</parameter></term>
<listitem>
<para></para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1>
<title>Description</title>
<para>This ioctl is <emphasis role="bold">deprecated</emphasis>.
New drivers and applications should use &VIDIOC-QUERY-DV-TIMINGS; instead.
</para>
<para>The hardware may be able to detect the current DV preset
automatically, similar to sensing the video standard. To do so, applications
call <constant> VIDIOC_QUERY_DV_PRESET</constant> with a pointer to a
&v4l2-dv-preset; type. Once the hardware detects a preset, that preset is
returned in the preset field of &v4l2-dv-preset;. If the preset could not be
detected because there was no signal, or the signal was unreliable, or the
signal did not map to a supported preset, then the value V4L2_DV_INVALID is
returned.</para>
</refsect1>
<refsect1>
&return-value;
<variablelist>
<varlistentry>
<term><errorcode>ENODATA</errorcode></term>
<listitem>
<para>Digital video presets are not supported for this input or output.</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
</refentry>

1
Documentation/DocBook/media_api.tmpl
View file

@ -23,6 +23,7 @@
<!-- LinuxTV v4l-dvb repository. -->
<!ENTITY v4l-dvb "<ulink url='http://linuxtv.org/repo/'>http://linuxtv.org/repo/</ulink>">
<!ENTITY dash-ent-10 "<entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry>">
<!ENTITY dash-ent-16 "<entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry>">
]>
<book id="media_api">