From 4dfbd3d90a641a5b606d31f84d8137d1be07c673 Mon Sep 17 00:00:00 2001 From: Todor Tomov Date: Tue, 8 Aug 2017 09:30:18 -0400 Subject: [PATCH] media: 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 Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- .../media/v4l-drivers/qcom_camss.rst | 25 ++++------- .../media/v4l-drivers/qcom_camss_graph.dot | 41 +++++++++++++++++++ 2 files changed, 50 insertions(+), 16 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 e6e948f8d543..7ef632a42cb6 100644 --- a/Documentation/media/v4l-drivers/qcom_camss.rst +++ b/Documentation/media/v4l-drivers/qcom_camss.rst @@ -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 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 000000000000..827fc7112c1e --- /dev/null +++ b/Documentation/media/v4l-drivers/qcom_camss_graph.dot @@ -0,0 +1,41 @@ +digraph board { + rankdir=TB + n00000001 [label="{{ 0} | msm_csiphy0\n/dev/v4l-subdev0 | { 1}}", shape=Mrecord, style=filled, fillcolor=green] + n00000001:port1 -> n00000007:port0 [style=dashed] + n00000001:port1 -> n0000000a:port0 [style=dashed] + n00000004 [label="{{ 0} | msm_csiphy1\n/dev/v4l-subdev1 | { 1}}", shape=Mrecord, style=filled, fillcolor=green] + n00000004:port1 -> n00000007:port0 [style=dashed] + n00000004:port1 -> n0000000a:port0 [style=dashed] + n00000007 [label="{{ 0} | msm_csid0\n/dev/v4l-subdev2 | { 1}}", shape=Mrecord, style=filled, fillcolor=green] + n00000007:port1 -> n0000000d:port0 [style=dashed] + n00000007:port1 -> n00000010:port0 [style=dashed] + n0000000a [label="{{ 0} | msm_csid1\n/dev/v4l-subdev3 | { 1}}", shape=Mrecord, style=filled, fillcolor=green] + n0000000a:port1 -> n0000000d:port0 [style=dashed] + n0000000a:port1 -> n00000010:port0 [style=dashed] + n0000000d [label="{{ 0} | msm_ispif0\n/dev/v4l-subdev4 | { 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="{{ 0} | msm_ispif1\n/dev/v4l-subdev5 | { 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="{{ 0} | msm_vfe0_rdi0\n/dev/v4l-subdev6 | { 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="{{ 0} | msm_vfe0_rdi1\n/dev/v4l-subdev7 | { 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="{{ 0} | msm_vfe0_rdi2\n/dev/v4l-subdev8 | { 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="{{ 0} | msm_vfe0_pix\n/dev/v4l-subdev9 | { 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 | { 0}}", shape=Mrecord, style=filled, fillcolor=green] + n00000057:port0 -> n00000001:port0 [style=bold] + n00000059 [label="{{} | ov5645 1-0074\n/dev/v4l-subdev11 | { 0}}", shape=Mrecord, style=filled, fillcolor=green] + n00000059:port0 -> n00000004:port0 [style=bold] +}