ipa: rpi: Provide the camera helper with the hardware configuration

Add a CamHelper::setHwConfig() helper used by the IPA to set the
hardware configuartion in use by the pipeline. This will be needed by
the IMX500 camera helper in a future commit to determine if the
metadata buffer is strided.

Signed-off-by: Naushir Patuck <[email protected]>

Author: naushir

src/ipa/rpi/cam_helper/cam_helper.cpp

@@ -156,6 +156,11 @@ void CamHelper::setCameraMode(const CameraMode &mode)
 	}
 }
 
+void CamHelper::setHwConfig(const Controller::HardwareConfig &hwConfig)
+{
+	hwConfig_ = hwConfig;
+}
+
 void CamHelper::getDelays(int &exposureDelay, int &gainDelay,
 			  int &vblankDelay, int &hblankDelay) const
 {

src/ipa/rpi/cam_helper/cam_helper.h

@@ -76,6 +76,7 @@ class CamHelper
 	CamHelper(std::unique_ptr<MdParser> parser, unsigned int frameIntegrationDiff);
 	virtual ~CamHelper();
 	void setCameraMode(const CameraMode &mode);
+	void setHwConfig(const Controller::HardwareConfig &hwConfig);
 	virtual void prepare(libcamera::Span<const uint8_t> buffer,
 			     Metadata &metadata);
 	virtual void process(StatisticsPtr &stats, Metadata &metadata);
@@ -108,6 +109,7 @@ class CamHelper
 
 	std::unique_ptr<MdParser> parser_;
 	CameraMode mode_;
+	Controller::HardwareConfig hwConfig_;
 
 private:
 	/*

src/ipa/rpi/common/ipa_base.cpp

@@ -155,6 +155,7 @@ int32_t IpaBase::init(const IPASettings &settings, const InitParams &params, Ini
 	lensPresent_ = params.lensPresent;
 
 	controller_.initialise();
+	helper_->setHwConfig(controller_.getHardwareConfig());
 
 	/* Return the controls handled by the IPA */
 	ControlInfoMap::Map ctrlMap = ipaControls;