3 files changed, 20 insertions, 0 deletions
diff --git a/src/ipa/rkisp1/ipa_context.cpp b/src/ipa/rkisp1/ipa_context.cpp
index 819b2c73..6b53dfdf 100644
--- a/src/ipa/rkisp1/ipa_context.cpp
+++ b/src/ipa/rkisp1/ipa_context.cpp
@@ -55,4 +55,12 @@ namespace libcamera::ipa::rkisp1 {
  * are run. This needs to be turned into real per-frame data storage.
  */
 
+/**
+ * \var IPASessionConfiguration::hw
+ * \brief RkISP1-specific hardware information
+ *
+ * \var IPASessionConfiguration::hw.revision
+ * \brief Hardware revision of the ISP
+ */
+
 } /* namespace libcamera::ipa::rkisp1 */
diff --git a/src/ipa/rkisp1/ipa_context.h b/src/ipa/rkisp1/ipa_context.h
index 919139dd..9342025b 100644
--- a/src/ipa/rkisp1/ipa_context.h
+++ b/src/ipa/rkisp1/ipa_context.h
@@ -8,11 +8,16 @@
 
 #pragma once
 
+#include <linux/rkisp1-config.h>
+
 namespace libcamera {
 
 namespace ipa::rkisp1 {
 
 struct IPASessionConfiguration {
+	struct {
+		rkisp1_cif_isp_version revision;
+	} hw;
 };
 
 struct IPAFrameContext {
diff --git a/src/ipa/rkisp1/rkisp1.cpp b/src/ipa/rkisp1/rkisp1.cpp
index 2b073258..59676a70 100644
--- a/src/ipa/rkisp1/rkisp1.cpp
+++ b/src/ipa/rkisp1/rkisp1.cpp
@@ -74,6 +74,7 @@ private:
 	uint32_t maxGain_;
 
 	/* revision-specific data */
+	rkisp1_cif_isp_version hwRevision_;
 	unsigned int hwAeMeanMax_;
 	unsigned int hwHistBinNMax_;
 	unsigned int hwGammaOutMaxSamples_;
@@ -114,6 +115,9 @@ int IPARkISP1::init(const IPASettings &settings, unsigned int hwRevision)
 
 	LOG(IPARkISP1, Debug) << "Hardware revision is " << hwRevision;
 
+	/* Cache the value to set it in configure. */
+	hwRevision_ = static_cast<rkisp1_cif_isp_version>(hwRevision);
+
 	camHelper_ = CameraSensorHelperFactory::create(settings.sensorModel);
 	if (!camHelper_) {
 		LOG(IPARkISP1, Error)
@@ -176,6 +180,9 @@ int IPARkISP1::configure([[maybe_unused]] const IPACameraSensorInfo &info,
 	/* Clean context at configuration */
 	context_ = {};
 
+	/* Set the hardware revision for the algorithms. */
+	context_.configuration.hw.revision = hwRevision_;
+
 	return 0;
 }