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Diffstat (limited to 'Documentation/media/v4l-drivers/imx.rst')
| -rw-r--r-- | Documentation/media/v4l-drivers/imx.rst | 75 |
1 files changed, 66 insertions, 9 deletions
diff --git a/Documentation/media/v4l-drivers/imx.rst b/Documentation/media/v4l-drivers/imx.rst index 1d7eb8c7bd5c..1246573c1019 100644 --- a/Documentation/media/v4l-drivers/imx.rst +++ b/Documentation/media/v4l-drivers/imx.rst @@ -515,10 +515,10 @@ Streaming can then begin independently on the capture device nodes be used to select any supported YUV pixelformat on the capture device nodes, including planar. -SabreAuto with ADV7180 decoder ------------------------------- +i.MX6Q SabreAuto with ADV7180 decoder +------------------------------------- -On the SabreAuto, an on-board ADV7180 SD decoder is connected to the +On the i.MX6Q SabreAuto, an on-board ADV7180 SD decoder is connected to the parallel bus input on the internal video mux to IPU1 CSI0. The following example configures a pipeline to capture from the ADV7180 @@ -547,8 +547,6 @@ This example configures a pipeline to capture from the ADV7180 video decoder, assuming PAL 720x576 input signals, with Motion Compensated de-interlacing. The adv7180 must output sequential or alternating fields (field type 'seq-tb' for PAL, or 'alternate'). -$outputfmt can be any format supported by the ipu1_ic_prpvf entity -at its output pad: .. code-block:: none @@ -565,11 +563,70 @@ at its output pad: media-ctl -V "'ipu1_csi0':1 [fmt:AYUV32/720x576]" media-ctl -V "'ipu1_vdic':2 [fmt:AYUV32/720x576 field:none]" media-ctl -V "'ipu1_ic_prp':2 [fmt:AYUV32/720x576 field:none]" - media-ctl -V "'ipu1_ic_prpvf':1 [fmt:$outputfmt field:none]" + media-ctl -V "'ipu1_ic_prpvf':1 [fmt:AYUV32/720x576 field:none]" + # Configure "ipu1_ic_prpvf capture" interface (assumed at /dev/video2) + v4l2-ctl -d2 --set-fmt-video=field=none + +Streaming can then begin on /dev/video2. The v4l2-ctl tool can also be +used to select any supported YUV pixelformat on /dev/video2. + +This platform accepts Composite Video analog inputs to the ADV7180 on +Ain1 (connector J42). + +i.MX6DL SabreAuto with ADV7180 decoder +-------------------------------------- + +On the i.MX6DL SabreAuto, an on-board ADV7180 SD decoder is connected to the +parallel bus input on the internal video mux to IPU1 CSI0. + +The following example configures a pipeline to capture from the ADV7180 +video decoder, assuming NTSC 720x480 input signals, using simple +interweave (unconverted and without motion compensation). The adv7180 +must output sequential or alternating fields (field type 'seq-bt' for +NTSC, or 'alternate'): + +.. code-block:: none + + # Setup links + media-ctl -l "'adv7180 4-0021':0 -> 'ipu1_csi0_mux':4[1]" + media-ctl -l "'ipu1_csi0_mux':5 -> 'ipu1_csi0':0[1]" + media-ctl -l "'ipu1_csi0':2 -> 'ipu1_csi0 capture':0[1]" + # Configure pads + media-ctl -V "'adv7180 4-0021':0 [fmt:UYVY2X8/720x480 field:seq-bt]" + media-ctl -V "'ipu1_csi0_mux':5 [fmt:UYVY2X8/720x480]" + media-ctl -V "'ipu1_csi0':2 [fmt:AYUV32/720x480]" + # Configure "ipu1_csi0 capture" interface (assumed at /dev/video0) + v4l2-ctl -d0 --set-fmt-video=field=interlaced_bt + +Streaming can then begin on /dev/video0. The v4l2-ctl tool can also be +used to select any supported YUV pixelformat on /dev/video0. + +This example configures a pipeline to capture from the ADV7180 +video decoder, assuming PAL 720x576 input signals, with Motion +Compensated de-interlacing. The adv7180 must output sequential or +alternating fields (field type 'seq-tb' for PAL, or 'alternate'). + +.. code-block:: none + + # Setup links + media-ctl -l "'adv7180 4-0021':0 -> 'ipu1_csi0_mux':4[1]" + media-ctl -l "'ipu1_csi0_mux':5 -> 'ipu1_csi0':0[1]" + media-ctl -l "'ipu1_csi0':1 -> 'ipu1_vdic':0[1]" + media-ctl -l "'ipu1_vdic':2 -> 'ipu1_ic_prp':0[1]" + media-ctl -l "'ipu1_ic_prp':2 -> 'ipu1_ic_prpvf':0[1]" + media-ctl -l "'ipu1_ic_prpvf':1 -> 'ipu1_ic_prpvf capture':0[1]" + # Configure pads + media-ctl -V "'adv7180 4-0021':0 [fmt:UYVY2X8/720x576 field:seq-tb]" + media-ctl -V "'ipu1_csi0_mux':5 [fmt:UYVY2X8/720x576]" + media-ctl -V "'ipu1_csi0':1 [fmt:AYUV32/720x576]" + media-ctl -V "'ipu1_vdic':2 [fmt:AYUV32/720x576 field:none]" + media-ctl -V "'ipu1_ic_prp':2 [fmt:AYUV32/720x576 field:none]" + media-ctl -V "'ipu1_ic_prpvf':1 [fmt:AYUV32/720x576 field:none]" + # Configure "ipu1_ic_prpvf capture" interface (assumed at /dev/video2) + v4l2-ctl -d2 --set-fmt-video=field=none -Streaming can then begin on the capture device node at -"ipu1_ic_prpvf capture". The v4l2-ctl tool can be used to select any -supported YUV or RGB pixelformat on the capture device node. +Streaming can then begin on /dev/video2. The v4l2-ctl tool can also be +used to select any supported YUV pixelformat on /dev/video2. This platform accepts Composite Video analog inputs to the ADV7180 on Ain1 (connector J42). |