[4/7] libcamera: mali-c55: Configure camera in memory-to-memory
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Message ID 20251205-mali-cru-v1-4-d81bb5ffe73a@ideasonboard.com
State New
Headers show
Series
  • libcamera: mali-c55: Add support for memory-to-memory
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Commit Message

Jacopo Mondi Dec. 5, 2025, 2:52 p.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 6816bf7179ae09434ec10c35ea296725d3ac0700..6dce315c1c82db3554e8c0eae727cba9d632ca82 100644
--- a/src/libcamera/pipeline/mali-c55/mali-c55.cpp
+++ b/src/libcamera/pipeline/mali-c55/mali-c55.cpp
@@ -1021,9 +1021,12 @@  int PipelineHandlerMaliC55::configure(Camera *camera,
 		ret = csi2Entity->getPadByIndex(1)->links()[0]->setEnabled(true);
 		break;
 	}
-	case MaliC55CameraData::Memory:
+	case MaliC55CameraData::Memory: {
+		const MediaEntity *ivcEntity = ivc_->entity();
+		ret = ivcEntity->getPadByIndex(1)->links()[0]->setEnabled(true);
 		break;
 	}
+	}
 	if (ret)
 		return ret;
 
@@ -1049,9 +1052,28 @@  int PipelineHandlerMaliC55::configure(Camera *camera,
 		ret = data->inlineInput.csi2_->getFormat(1, &subdevFormat);
 
 		break;
-	case MaliC55CameraData::Memory:
+	case MaliC55CameraData::Memory: {
+		V4L2DeviceFormat inputFormat;
+		ret = data->memoryInput.cru_->configure(&subdevFormat, &inputFormat);
+		if (ret)
+			return ret;
+
+		/* Propagate the CRU format to the IVC input. */
+		ret = ivc_->setFormat(0, &subdevFormat);
+		if (ret)
+			return ret;
+
+		ret = ivc_->getFormat(1, &subdevFormat);
+		if (ret)
+			return ret;
+
+		ret = input_->setFormat(&inputFormat);
+		if (ret)
+			return ret;
+
 		break;
 	}
+	}
 	if (ret)
 		return ret;