[v4,5/7] libcamera: mali-c55: Configure camera in memory-to-memory
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Message ID 20260313-mali-cru-v4-5-c0d9bc8cd8fa@ideasonboard.com
State New
Headers show
Series
  • libcamera: mali-c55: Add support for memory-to-memory
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Commit Message

Jacopo Mondi March 13, 2026, 11:33 a.m. UTC 
Add support for memory-to-memory Camera to the
PipelineHandlerMaliC55::configure() function.

Start by enabling the IVC links, then configure the CRU and
propagate the format to the IVC.

Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
---
 src/libcamera/pipeline/mali-c55/mali-c55.cpp | 26 ++++++++++++++++++++++++--
 1 file changed, 24 insertions(+), 2 deletions(-)

Patch
diff mbox series 

diff --git a/src/libcamera/pipeline/mali-c55/mali-c55.cpp b/src/libcamera/pipeline/mali-c55/mali-c55.cpp
index 3c8848d28707..575c8451fc4f 100644
--- a/src/libcamera/pipeline/mali-c55/mali-c55.cpp
+++ b/src/libcamera/pipeline/mali-c55/mali-c55.cpp
@@ -1042,9 +1042,12 @@  int PipelineHandlerMaliC55::configure(Camera *camera,
 	if (std::holds_alternative<MaliC55CameraData::Tpg>(data->input_)) {
 		const MediaEntity *tpgEntity = data->subdev()->entity();
 		ret = tpgEntity->getPadByIndex(0)->links()[0]->setEnabled(true);
-	} else {
+	} else if (std::holds_alternative<MaliC55CameraData::Inline>(data->input_)) {
 		const MediaEntity *csi2Entity = data->csi2()->entity();
 		ret = csi2Entity->getPadByIndex(1)->links()[0]->setEnabled(true);
+	} else {
+		const MediaEntity *ivcEntity = ivcSd_->entity();
+		ret = ivcEntity->getPadByIndex(1)->links()[0]->setEnabled(true);
 	}
 	if (ret)
 		return ret;
@@ -1056,7 +1059,7 @@  int PipelineHandlerMaliC55::configure(Camera *camera,
 	/* Apply format to the origin of the pipeline and propagate it. */
 	if (std::holds_alternative<MaliC55CameraData::Tpg>(data->input_)) {
 		ret = data->subdev()->setFormat(0, &subdevFormat);
-	} else {
+	} else if (std::holds_alternative<MaliC55CameraData::Inline>(data->input_)) {
 		ret = data->sensor()->setFormat(&subdevFormat,
 						maliConfig->combinedTransform());
 		if (ret)
@@ -1067,6 +1070,25 @@  int PipelineHandlerMaliC55::configure(Camera *camera,
 			return ret;
 
 		ret = data->csi2()->getFormat(1, &subdevFormat);
+	} else {
+		V4L2DeviceFormat inputFormat;
+
+		ret = data->cru()->configure(&subdevFormat, &inputFormat);
+		if (ret)
+			return ret;
+
+		/* Propagate the CRU format to the IVC input. */
+		ret = ivcSd_->setFormat(0, &subdevFormat);
+		if (ret)
+			return ret;
+
+		ret = ivcSd_->getFormat(1, &subdevFormat);
+		if (ret)
+			return ret;
+
+		ret = ivc_->setFormat(&inputFormat);
+		if (ret)
+			return ret;
 	}
 	if (ret)
 		return ret;