[PATCH v5 14/14] admin-guide: media: Update documents for StarFive Camera Subsystem

Changhuang Liang
2024-07-09T08:40:09Z

Add ISP output parameters and 3A statistisc collection data video
device for documents.

Signed-off-by: Changhuang Liang <changhuang.liang@starfivetech.com>
---
.../admin-guide/media/starfive_camss.rst | 11 +++++++---
.../media/starfive_camss_graph.dot | 22 +++++++++++--------
2 files changed, 21 insertions(+), 12 deletions(-)

diff --git a/Documentation/admin-guide/media/starfive_camss.rst b/Documentation/admin-guide/media/starfive_camss.rst
index ca42e9447c47..020f1969e67f 100644
--- a/Documentation/admin-guide/media/starfive_camss.rst
+++ b/Documentation/admin-guide/media/starfive_camss.rst
@@ -58,15 +58,20 @@ The media controller pipeline graph is as follows:
:alt: starfive_camss_graph.dot
:align: center

-The driver has 2 video devices:
+The driver has 4 video devices:

+- output_params: The meta output device, transmitting the parameters to ISP
+ module.
- capture_raw: The capture device, capturing image data directly from a sensor.
- capture_yuv: The capture device, capturing YUV frame data processed by the
- ISP module
+ ISP module.
+- capture_scd: The meta capture device, capturing 3A statistics collection data
+ processed by the ISP module.

The driver has 3 subdevices:

-- stf_isp: is responsible for all the isp operations, outputs YUV frames.
+- stf_isp: is responsible for all the isp operations, outputs YUV frames
+ and 3A statistics collection data.
- cdns_csi2rx: a CSI-2 bridge supporting up to 4 CSI lanes in input, and 4
different pixel streams in output.
- imx219: an image sensor, image data is sent through MIPI CSI-2.
diff --git a/Documentation/admin-guide/media/starfive_camss_graph.dot b/Documentation/admin-guide/media/starfive_camss_graph.dot
index 8eff1f161ac7..7961255d3ad6 100644
--- a/Documentation/admin-guide/media/starfive_camss_graph.dot
+++ b/Documentation/admin-guide/media/starfive_camss_graph.dot
@@ -1,12 +1,16 @@
digraph board {
rankdir=TB
- n00000001 [label="{{<port0> 0} | stf_isp\n/dev/v4l-subdev0 | {<port1> 1}}", shape=Mrecord, style=filled, fillcolor=green]
- n00000001:port1 -> n00000008 [style=dashed]
- n00000004 [label="capture_raw\n/dev/video0", shape=box, style=filled, fillcolor=yellow]
- n00000008 [label="capture_yuv\n/dev/video1", shape=box, style=filled, fillcolor=yellow]
- n0000000e [label="{{<port0> 0} | cdns_csi2rx.19800000.csi-bridge\n | {<port1> 1 | <port2> 2 | <port3> 3 | <port4> 4}}", shape=Mrecord, style=filled, fillcolor=green]
- n0000000e:port1 -> n00000001:port0 [style=dashed]
- n0000000e:port1 -> n00000004 [style=dashed]
- n00000018 [label="{{} | imx219 6-0010\n/dev/v4l-subdev1 | {<port0> 0}}", shape=Mrecord, style=filled, fillcolor=green]
- n00000018:port0 -> n0000000e:port0 [style=bold]
+ n00000001 [label="{{<port0> 0 | <port1> 1} | stf_isp\n/dev/v4l-subdev0 | {<port2> 2 | <port3> 3}}", shape=Mrecord, style=filled, fillcolor=green]
+ n00000001:port2 -> n0000000e
+ n00000001:port3 -> n00000012 [style=dashed]
+ n00000006 [label="output_params\n/dev/video0", shape=box, style=filled, fillcolor=yellow]
+ n00000006 -> n00000001:port1 [style=dashed]
+ n0000000a [label="capture_raw\n/dev/video1", shape=box, style=filled, fillcolor=yellow]
+ n0000000e [label="capture_yuv\n/dev/video2", shape=box, style=filled, fillcolor=yellow]
+ n00000012 [label="capture_scd\n/dev/video3", shape=box, style=filled, fillcolor=yellow]
+ n0000001c [label="{{<port0> 0} | cdns_csi2rx.19800000.csi-bridge\n/dev/v4l-subdev1 | {<port1> 1 | <port2> 2 | <port3> 3 | <port4> 4}}", shape=Mrecord, style=filled, fillcolor=green]
+ n0000001c:port1 -> n00000001:port0 [style=dashed]
+ n0000001c:port1 -> n0000000a [style=dashed]
+ n00000026 [label="{{} | imx219 6-0010\n/dev/v4l-subdev2 | {<port0> 0}}", shape=Mrecord, style=filled, fillcolor=green]
+ n00000026:port0 -> n0000001c:port0 [style=bold]
}
--
2.25.1