1 files changed, 42 insertions, 0 deletions
diff --git a/src/ipa/rkisp1/algorithms/af.h b/src/ipa/rkisp1/algorithms/af.h
new file mode 100644
index 00000000..882be952
--- /dev/null
+++ b/src/ipa/rkisp1/algorithms/af.h
@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2022, Theobroma Systems
+ *
+ * af.h - RkISP1 AF hill climbing based control algorithm
+ */
+
+#pragma once
+
+#include <linux/rkisp1-config.h>
+
+#include "libipa/algorithms/af_hill_climbing.h"
+
+#include "algorithm.h"
+
+namespace libcamera::ipa::rkisp1::algorithms {
+
+class Af : public ipa::common::algorithms::AfHillClimbing, public Algorithm
+{
+public:
+	Af() = default;
+	~Af() = default;
+
+	int init(IPAContext &context, const YamlObject &tuningData) override;
+	int configure(IPAContext &context, const IPACameraSensorInfo &configInfo) override;
+	void queueRequest(IPAContext &context, const uint32_t frame,
+			  IPAFrameContext &frameContext, const ControlList &controls) override;
+	void prepare(IPAContext &context, const uint32_t frame,
+		     IPAFrameContext &frameContext, rkisp1_params_cfg *params) override;
+	void process(IPAContext &context, const uint32_t frame,
+		     IPAFrameContext &frameContext, const rkisp1_stat_buffer *stats,
+		     ControlList &metadata) override;
+
+private:
+	void setMeteringMode(controls::AfMeteringEnum metering) final;
+	void setWindows(Span<const Rectangle> windows) final;
+
+	/* Wait number of frames after changing lens position */
+	uint32_t waitFramesLens_;
+};
+
+} /* namespace libcamera::ipa::rkisp1::algorithms */