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Date: Mon, 17 Jul 2017 13:33:49 +0300
From: Todor Tomov <todor.tomov@...aro.org>
To: mchehab@...nel.org, hans.verkuil@...co.com, javier@....samsung.com,
s.nawrocki@...sung.com, sakari.ailus@....fi,
linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-arm-msm@...r.kernel.org
Cc: Todor Tomov <todor.tomov@...aro.org>
Subject: [PATCH v3 23/23] doc: media/v4l-drivers: Qualcomm Camera Subsystem - Media graph
Update the Qualcomm Camera Subsystem driver document with a media
controller pipeline graph diagram.
Signed-off-by: Todor Tomov <todor.tomov@...aro.org>
---
Documentation/media/v4l-drivers/qcom_camss.rst | 27 ++++++--------
.../media/v4l-drivers/qcom_camss_graph.dot | 41 ++++++++++++++++++++++
2 files changed, 51 insertions(+), 17 deletions(-)
create mode 100644 Documentation/media/v4l-drivers/qcom_camss_graph.dot
diff --git a/Documentation/media/v4l-drivers/qcom_camss.rst b/Documentation/media/v4l-drivers/qcom_camss.rst
index 7e4ab6e..7ae4a45 100644
--- a/Documentation/media/v4l-drivers/qcom_camss.rst
+++ b/Documentation/media/v4l-drivers/qcom_camss.rst
@@ -109,23 +109,16 @@ 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:
-
-- 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
+The media controller pipeline graph is as follows (with connected two OV5645
+camera sensors):
+
+.. _qcom_camss_graph:
+
+.. kernel-figure:: qcom_camss_graph.dot
+ :alt: qcom_camss_graph.dot
+ :align: center
+
+ Media pipeline graph
Implementation
diff --git a/Documentation/media/v4l-drivers/qcom_camss_graph.dot b/Documentation/media/v4l-drivers/qcom_camss_graph.dot
new file mode 100644
index 0000000..827fc71
--- /dev/null
+++ b/Documentation/media/v4l-drivers/qcom_camss_graph.dot
@@ -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]
+}
--
2.7.4
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