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media: doc: media/v4l-drivers: Qualcomm Camera Subsystem - Media graph

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Update the Qualcomm Camera Subsystem driver document with a media
controller pipeline graph diagram.

Signed-off-by: Todor Tomov <todor.tomov@linaro.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Todor Tomov 2017-08-08 09:30:18 -04:00 committed by Mauro Carvalho Chehab
parent bbde310474
commit 4dfbd3d90a
2 changed files with 50 additions and 16 deletions
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25
Documentation/media/v4l-drivers/qcom_camss.rst
View File

@ -114,23 +114,16 @@ The considerations to split the driver in this particular way are as follows:
Each VFE sub-device is linked to a separate video device node.
The complete list of the media entities (V4L2 sub-devices and video device
nodes) is as follows:
The media controller pipeline graph is as follows (with connected two OV5645
camera sensors):
- msm_csiphy0
- msm_csiphy1
- msm_csid0
- msm_csid1
- msm_ispif0
- msm_ispif1
- msm_vfe0_rdi0
- msm_vfe0_video0
- msm_vfe0_rdi1
- msm_vfe0_video1
- msm_vfe0_rdi2
- msm_vfe0_video2
- msm_vfe0_pix
- msm_vfe0_video3
.. _qcom_camss_graph:
.. kernel-figure:: qcom_camss_graph.dot
:alt: qcom_camss_graph.dot
:align: center
Media pipeline graph
Implementation

41
Documentation/media/v4l-drivers/qcom_camss_graph.dot Normal file
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@ -0,0 +1,41 @@
digraph board {
rankdir=TB
n00000001 [label="{{<port0> 0} | msm_csiphy0\n/dev/v4l-subdev0 | {<port1> 1}}", shape=Mrecord, style=filled, fillcolor=green]
n00000001:port1 -> n00000007:port0 [style=dashed]
n00000001:port1 -> n0000000a:port0 [style=dashed]
n00000004 [label="{{<port0> 0} | msm_csiphy1\n/dev/v4l-subdev1 | {<port1> 1}}", shape=Mrecord, style=filled, fillcolor=green]
n00000004:port1 -> n00000007:port0 [style=dashed]
n00000004:port1 -> n0000000a:port0 [style=dashed]
n00000007 [label="{{<port0> 0} | msm_csid0\n/dev/v4l-subdev2 | {<port1> 1}}", shape=Mrecord, style=filled, fillcolor=green]
n00000007:port1 -> n0000000d:port0 [style=dashed]
n00000007:port1 -> n00000010:port0 [style=dashed]
n0000000a [label="{{<port0> 0} | msm_csid1\n/dev/v4l-subdev3 | {<port1> 1}}", shape=Mrecord, style=filled, fillcolor=green]
n0000000a:port1 -> n0000000d:port0 [style=dashed]
n0000000a:port1 -> n00000010:port0 [style=dashed]
n0000000d [label="{{<port0> 0} | msm_ispif0\n/dev/v4l-subdev4 | {<port1> 1}}", shape=Mrecord, style=filled, fillcolor=green]
n0000000d:port1 -> n00000013:port0 [style=dashed]
n0000000d:port1 -> n0000001c:port0 [style=dashed]
n0000000d:port1 -> n00000025:port0 [style=dashed]
n0000000d:port1 -> n0000002e:port0 [style=dashed]
n00000010 [label="{{<port0> 0} | msm_ispif1\n/dev/v4l-subdev5 | {<port1> 1}}", shape=Mrecord, style=filled, fillcolor=green]
n00000010:port1 -> n00000013:port0 [style=dashed]
n00000010:port1 -> n0000001c:port0 [style=dashed]
n00000010:port1 -> n00000025:port0 [style=dashed]
n00000010:port1 -> n0000002e:port0 [style=dashed]
n00000013 [label="{{<port0> 0} | msm_vfe0_rdi0\n/dev/v4l-subdev6 | {<port1> 1}}", shape=Mrecord, style=filled, fillcolor=green]
n00000013:port1 -> n00000016 [style=bold]
n00000016 [label="msm_vfe0_video0\n/dev/video0", shape=box, style=filled, fillcolor=yellow]
n0000001c [label="{{<port0> 0} | msm_vfe0_rdi1\n/dev/v4l-subdev7 | {<port1> 1}}", shape=Mrecord, style=filled, fillcolor=green]
n0000001c:port1 -> n0000001f [style=bold]
n0000001f [label="msm_vfe0_video1\n/dev/video1", shape=box, style=filled, fillcolor=yellow]
n00000025 [label="{{<port0> 0} | msm_vfe0_rdi2\n/dev/v4l-subdev8 | {<port1> 1}}", shape=Mrecord, style=filled, fillcolor=green]
n00000025:port1 -> n00000028 [style=bold]
n00000028 [label="msm_vfe0_video2\n/dev/video2", shape=box, style=filled, fillcolor=yellow]
n0000002e [label="{{<port0> 0} | msm_vfe0_pix\n/dev/v4l-subdev9 | {<port1> 1}}", shape=Mrecord, style=filled, fillcolor=green]
n0000002e:port1 -> n00000031 [style=bold]
n00000031 [label="msm_vfe0_video3\n/dev/video3", shape=box, style=filled, fillcolor=yellow]
n00000057 [label="{{} | ov5645 1-0076\n/dev/v4l-subdev10 | {<port0> 0}}", shape=Mrecord, style=filled, fillcolor=green]
n00000057:port0 -> n00000001:port0 [style=bold]
n00000059 [label="{{} | ov5645 1-0074\n/dev/v4l-subdev11 | {<port0> 0}}", shape=Mrecord, style=filled, fillcolor=green]
n00000059:port0 -> n00000004:port0 [style=bold]
}