[libcamera-devel] [PATCH v2 19/20] lbcamera: ipu3: Configure ImgU with the computed parameters

[Jacopo Mondi]

Instrument the ImgUDevice::configureInput() function to use the provided
pipe configuration parameters to configure the IF, BDS and GDC
rectangles.

Signed-off-by: Jacopo Mondi <jacopo at jmondi.org>
---
 src/libcamera/pipeline/ipu3/imgu.    |  0
 src/libcamera/pipeline/ipu3/imgu.cpp | 35 ++++++++++++++++------------
 src/libcamera/pipeline/ipu3/imgu.h   |  2 +-
 src/libcamera/pipeline/ipu3/ipu3.cpp |  3 ++-
 4 files changed, 23 insertions(+), 17 deletions(-)
 create mode 100644 src/libcamera/pipeline/ipu3/imgu.

diff --git a/src/libcamera/pipeline/ipu3/imgu. b/src/libcamera/pipeline/ipu3/imgu.
new file mode 100644
index 000000000000..e69de29bb2d1
diff --git a/src/libcamera/pipeline/ipu3/imgu.cpp b/src/libcamera/pipeline/ipu3/imgu.cpp
index d1addb7d84d1..69bcc4f30962 100644
--- a/src/libcamera/pipeline/ipu3/imgu.cpp
+++ b/src/libcamera/pipeline/ipu3/imgu.cpp
@@ -441,11 +441,11 @@ ImgUDevice::PipeConfig ImgUDevice::calculatePipeConfig(Pipe *pipe)
 
 /**
  * \brief Configure the ImgU unit input
- * \param[in] size The ImgU input frame size
+ * \param[in] config The ImgU pipe configuration parameters
  * \param[in] inputFormat The format to be applied to ImgU input
  * \return 0 on success or a negative error code otherwise
  */
-int ImgUDevice::configureInput(const Size &size,
+int ImgUDevice::configureInput(const PipeConfig &pipeConfig,
 			       V4L2DeviceFormat *inputFormat)
 {
 	/* Configure the ImgU input video device with the requested sizes. */
@@ -465,32 +465,37 @@ int ImgUDevice::configureInput(const Size &size,
 	 * to configure the crop/compose rectangles, contradicting the
 	 * V4L2 specification.
 	 */
-	Rectangle rect = {
+	Rectangle iif = {
 		.x = 0,
 		.y = 0,
-		.width = inputFormat->size.width,
-		.height = inputFormat->size.height,
+		.width = pipeConfig.iif.width,
+		.height = pipeConfig.iif.height,
 	};
-	ret = imgu_->setSelection(PAD_INPUT, V4L2_SEL_TGT_CROP, &rect);
+	ret = imgu_->setSelection(PAD_INPUT, V4L2_SEL_TGT_CROP, &iif);
 	if (ret)
 		return ret;
+	LOG(IPU3, Debug) << "ImgU input feeder rectangle = " << iif.toString();
 
-	ret = imgu_->setSelection(PAD_INPUT, V4L2_SEL_TGT_COMPOSE, &rect);
+	Rectangle bds = {
+		.x = 0,
+		.y = 0,
+		.width = pipeConfig.bds.width,
+		.height = pipeConfig.bds.height,
+	};
+	ret = imgu_->setSelection(PAD_INPUT, V4L2_SEL_TGT_COMPOSE, &bds);
 	if (ret)
 		return ret;
+	LOG(IPU3, Debug) << "ImgU BDS rectangle = " << bds.toString();
 
-	LOG(IPU3, Debug) << "ImgU input feeder and BDS rectangle = "
-			 << rect.toString();
-
-	V4L2SubdeviceFormat imguFormat = {};
-	imguFormat.mbus_code = MEDIA_BUS_FMT_FIXED;
-	imguFormat.size = size;
+	V4L2SubdeviceFormat gdcFormat = {};
+	gdcFormat.mbus_code = MEDIA_BUS_FMT_FIXED;
+	gdcFormat.size = pipeConfig.gdc;
 
-	ret = imgu_->setFormat(PAD_INPUT, &imguFormat);
+	ret = imgu_->setFormat(PAD_INPUT, &gdcFormat);
 	if (ret)
 		return ret;
 
-	LOG(IPU3, Debug) << "ImgU GDC format = " << imguFormat.toString();
+	LOG(IPU3, Debug) << "ImgU GDC format = " << gdcFormat.toString();
 
 	return 0;
 }
diff --git a/src/libcamera/pipeline/ipu3/imgu.h b/src/libcamera/pipeline/ipu3/imgu.h
index 15ee9a7f5698..6193c84bf35d 100644
--- a/src/libcamera/pipeline/ipu3/imgu.h
+++ b/src/libcamera/pipeline/ipu3/imgu.h
@@ -45,7 +45,7 @@ public:
 
 	PipeConfig calculatePipeConfig(Pipe *pipe);
 
-	int configureInput(const Size &size, V4L2DeviceFormat *inputFormat);
+	int configureInput(const PipeConfig &pipeConfig, V4L2DeviceFormat *inputFormat);
 
 	int configureOutput(const StreamConfiguration &cfg,
 			    V4L2DeviceFormat *outputFormat)
diff --git a/src/libcamera/pipeline/ipu3/ipu3.cpp b/src/libcamera/pipeline/ipu3/ipu3.cpp
index 72261d16e9f8..d33aa7aee5e5 100644
--- a/src/libcamera/pipeline/ipu3/ipu3.cpp
+++ b/src/libcamera/pipeline/ipu3/ipu3.cpp
@@ -66,6 +66,7 @@ public:
 	Status validate() override;
 
 	const StreamConfiguration &cio2Format() const { return cio2Configuration_; };
+	const ImgUDevice::PipeConfig imguConfig() const { return pipeConfig_; }
 
 private:
 	IPU3CameraData *data_;
@@ -444,7 +445,7 @@ int PipelineHandlerIPU3::configure(Camera *camera, CameraConfiguration *c)
 	if (ret)
 		return ret;
 
-	ret = imgu->configureInput(sensorSize, &cio2Format);
+	ret = imgu->configureInput(config->imguConfig(), &cio2Format);
 	if (ret)
 		return ret;
 
-- 
2.27.0