ipu3: ipa: Report effective sensor controls with statistics to IPA

The Intel close sourced IPA requires the effective controls applied to
the sensor when the statistics are generated. Report effective sensor controls
with the statistics to IPA.

Signed-off-by: Han-Lin Chen <hanlinchen@chromium.org>
[Jean-Michel: Reword s/stastistics/statistics and move reset after IPA
start]
Signed-off-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>

2 files changed, 9 insertions, 0 deletions

diff --git a/src/libcamera/pipeline/ipu3/frames.h b/src/libcamera/pipeline/ipu3/frames.h
index 3ef7e445..614701e2 100644
--- a/src/libcamera/pipeline/ipu3/frames.h
+++ b/src/libcamera/pipeline/ipu3/frames.h
@@ -14,6 +14,8 @@
 
 #include <libcamera/base/signal.h>
 
+#include <libcamera/controls.h>
+
 namespace libcamera {
 
 class FrameBuffer;
@@ -34,6 +36,8 @@ public:
 		FrameBuffer *paramBuffer;
 		FrameBuffer *statBuffer;
 
+		ControlList effectiveSensorControls;
+
 		bool paramDequeued;
 		bool metadataProcessed;
 	};
diff --git a/src/libcamera/pipeline/ipu3/ipu3.cpp b/src/libcamera/pipeline/ipu3/ipu3.cpp
index 75fb2d90..63916caf 100644
--- a/src/libcamera/pipeline/ipu3/ipu3.cpp
+++ b/src/libcamera/pipeline/ipu3/ipu3.cpp
@@ -767,6 +767,8 @@ int PipelineHandlerIPU3::start(Camera *camera, [[maybe_unused]] const ControlLis
 	if (ret)
 		goto error;
 
+	data->delayedCtrls_->reset();
+
 	/*
 	 * Start the ImgU video devices, buffers will be queued to the
 	 * ImgU output and viewfinder when requests will be queued.
@@ -1363,6 +1365,8 @@ void IPU3CameraData::cio2BufferReady(FrameBuffer *buffer)
 	request->metadata().set(controls::SensorTimestamp,
 				buffer->metadata().timestamp);
 
+	info->effectiveSensorControls = delayedCtrls_->get(buffer->metadata().sequence);
+
 	if (request->findBuffer(&rawStream_))
 		pipe()->completeBuffer(request, buffer);
 
@@ -1419,6 +1423,7 @@ void IPU3CameraData::statBufferReady(FrameBuffer *buffer)
 	ev.frame = info->id;
 	ev.bufferId = info->statBuffer->cookie();
 	ev.frameTimestamp = request->metadata().get(controls::SensorTimestamp);
+	ev.sensorControls = info->effectiveSensorControls;
 	ipa_->processEvent(ev);
 }