1 files changed, 42 insertions, 0 deletions
diff --git a/src/ipa/mali-c55/algorithms/blc.h b/src/ipa/mali-c55/algorithms/blc.h
new file mode 100644
index 00000000..9696e8e9
--- /dev/null
+++ b/src/ipa/mali-c55/algorithms/blc.h
@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2024, Ideas On Board
+ *
+ * Mali-C55 sensor offset (black level) correction
+ */
+
+#include "algorithm.h"
+
+namespace libcamera {
+
+namespace ipa::mali_c55::algorithms {
+
+class BlackLevelCorrection : public Algorithm
+{
+public:
+	BlackLevelCorrection();
+	~BlackLevelCorrection() = default;
+
+	int init(IPAContext &context, const YamlObject &tuningData) override;
+	int configure(IPAContext &context,
+		      const IPACameraSensorInfo &configInfo) override;
+	void prepare(IPAContext &context, const uint32_t frame,
+		     IPAFrameContext &frameContext,
+		     mali_c55_params_buffer *params) override;
+	void process(IPAContext &context, const uint32_t frame,
+		     IPAFrameContext &frameContext,
+		     const mali_c55_stats_buffer *stats,
+		     ControlList &metadata) override;
+
+private:
+	static constexpr uint32_t kMaxOffset = 0xfffff;
+
+	bool tuningParameters_;
+	uint32_t offset00;
+	uint32_t offset01;
+	uint32_t offset10;
+	uint32_t offset11;
+};
+
+} /* namespace ipa::mali_c55::algorithms */
+} /* namespace libcamera */