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| author | Charles-Antoine Couret <charles-antoine.couret@nexvision.fr> | 2016-09-15 16:53:55 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2016-09-19 20:34:41 +0300 |
| commit | e74c8cda4ca0c697dd8f0cc5928fe8403fb58f7c (patch) | |
| tree | aed10022552ca02aa9fb20e2d1da38eb0799c414 /Documentation/media | |
| parent | 7389e6ef347443ac90116c2208bbdfb4f9d135ba (diff) | |
| download | linux-e74c8cda4ca0c697dd8f0cc5928fe8403fb58f7c.tar.xz | |
[media] V4L2: Add documentation for SDI timings and related flags
Describe new needed constants defined by SDI format.
Signed-off-by: Charles-Antoine Couret <charles-antoine.couret@nexvision.fr>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'Documentation/media')
| -rw-r--r-- | Documentation/media/uapi/v4l/vidioc-enuminput.rst | 31 | ||||
| -rw-r--r-- | Documentation/media/uapi/v4l/vidioc-g-dv-timings.rst | 15 |
2 files changed, 39 insertions, 7 deletions
diff --git a/Documentation/media/uapi/v4l/vidioc-enuminput.rst b/Documentation/media/uapi/v4l/vidioc-enuminput.rst index be03e04e3dac..c38bde400dc1 100644 --- a/Documentation/media/uapi/v4l/vidioc-enuminput.rst +++ b/Documentation/media/uapi/v4l/vidioc-enuminput.rst @@ -272,17 +272,34 @@ at index zero, incrementing by one until the driver returns ``EINVAL``. - .. row 11 - - :cspan:`2` Digital Video + - ``V4L2_IN_ST_NO_V_LOCK`` + + - 0x00000400 + + - No vertical sync lock. - .. row 12 + - ``V4L2_IN_ST_NO_STD_LOCK`` + + - 0x00000800 + + - No standard format lock in case of auto-detection format + by the component. + + - .. row 13 + + - :cspan:`2` Digital Video + + - .. row 14 + - ``V4L2_IN_ST_NO_SYNC`` - 0x00010000 - No synchronization lock. - - .. row 13 + - .. row 15 - ``V4L2_IN_ST_NO_EQU`` @@ -290,7 +307,7 @@ at index zero, incrementing by one until the driver returns ``EINVAL``. - No equalizer lock. - - .. row 14 + - .. row 16 - ``V4L2_IN_ST_NO_CARRIER`` @@ -298,11 +315,11 @@ at index zero, incrementing by one until the driver returns ``EINVAL``. - Carrier recovery failed. - - .. row 15 + - .. row 17 - :cspan:`2` VCR and Set-Top Box - - .. row 16 + - .. row 18 - ``V4L2_IN_ST_MACROVISION`` @@ -312,7 +329,7 @@ at index zero, incrementing by one until the driver returns ``EINVAL``. signal to confuse video recorders. When this flag is set Macrovision has been detected. - - .. row 17 + - .. row 19 - ``V4L2_IN_ST_NO_ACCESS`` @@ -320,7 +337,7 @@ at index zero, incrementing by one until the driver returns ``EINVAL``. - Conditional access denied. - - .. row 18 + - .. row 20 - ``V4L2_IN_ST_VTR`` diff --git a/Documentation/media/uapi/v4l/vidioc-g-dv-timings.rst b/Documentation/media/uapi/v4l/vidioc-g-dv-timings.rst index 379f2be0bc92..a2f58319cebe 100644 --- a/Documentation/media/uapi/v4l/vidioc-g-dv-timings.rst +++ b/Documentation/media/uapi/v4l/vidioc-g-dv-timings.rst @@ -352,6 +352,13 @@ EBUSY - The timings follow the VESA Generalized Timings Formula standard + - .. row 7 + + - ``V4L2_DV_BT_STD_SDI`` + + - The timings follow the SDI Timings standard. + There are no horizontal syncs/porches at all in this format. + Total blanking timings must be set in hsync or vsync fields only. .. tabularcolumns:: |p{6.0cm}|p{11.5cm}| @@ -424,3 +431,11 @@ EBUSY R'G'B' values use limited range (i.e. 16-235) as opposed to full range (i.e. 0-255). All formats defined in CEA-861 except for the 640x480p59.94 format are CE formats. + + - .. row 8 + + - ``V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE`` + + - Some formats like SMPTE-125M have an interlaced signal with a odd + total height. For these formats, if this flag is set, the first + field has the extra line. Else, it is the second field. |