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-rw-r--r--src/ipa/rkisp1/algorithms/af.cpp70
-rw-r--r--src/ipa/rkisp1/algorithms/af.h32
-rw-r--r--src/ipa/rkisp1/algorithms/meson.build1
3 files changed, 103 insertions, 0 deletions
diff --git a/src/ipa/rkisp1/algorithms/af.cpp b/src/ipa/rkisp1/algorithms/af.cpp
new file mode 100644
index 00000000..6e047804
--- /dev/null
+++ b/src/ipa/rkisp1/algorithms/af.cpp
@@ -0,0 +1,70 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2022, Theobroma Systems
+ *
+ * af.cpp - RkISP1 AF hill climbing based control algorithm
+ */
+
+#include "af.h"
+
+/**
+ * \file af.h
+ */
+
+namespace libcamera::ipa::rkisp1::algorithms {
+
+/**
+ * \class Af
+ * \brief AF control algorithm
+ */
+
+LOG_DEFINE_CATEGORY(RkISP1Af)
+
+/**
+ * \copydoc libcamera::ipa::Algorithm::configure
+ */
+int Af::configure([[maybe_unused]] IPAContext &context,
+ [[maybe_unused]] const IPACameraSensorInfo &configInfo)
+{
+ return 0;
+}
+
+/**
+ * \copydoc libcamera::ipa::Algorithm::prepare
+ */
+void Af::prepare([[maybe_unused]] IPAContext &context, [[maybe_unused]] rkisp1_params_cfg *params)
+{
+}
+
+/**
+ * \copydoc libcamera::ipa::Algorithm::process
+ */
+void Af::process(IPAContext &context,
+ [[maybe_unused]] IPAFrameContext *frameCtx,
+ const rkisp1_stat_buffer *stats)
+{
+ uint32_t sharpness = stats->params.af.window[0].sum;
+ uint32_t luminance = stats->params.af.window[0].lum;
+
+ LOG(RkISP1Af, Debug) << "lensPosition: " << context.frameContext.af.focus
+ << ", Sharpness: " << sharpness
+ << ", Luminance: " << luminance;
+
+ uint32_t lensPosition = processAutofocus(sharpness);
+
+ context.frameContext.af.focus = lensPosition;
+}
+
+void Af::setMetering([[maybe_unused]] controls::AfMeteringEnum metering)
+{
+ LOG(RkISP1Af, Error) << __FUNCTION__ << " not implemented!";
+}
+
+void Af::setWindows([[maybe_unused]] Span<const Rectangle> windows)
+{
+ LOG(RkISP1Af, Error) << __FUNCTION__ << " not implemented!";
+}
+
+REGISTER_IPA_ALGORITHM(Af, "Af")
+
+} /* namespace libcamera::ipa::rkisp1::algorithms */
diff --git a/src/ipa/rkisp1/algorithms/af.h b/src/ipa/rkisp1/algorithms/af.h
new file mode 100644
index 00000000..e9afbb98
--- /dev/null
+++ b/src/ipa/rkisp1/algorithms/af.h
@@ -0,0 +1,32 @@
+/* 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 "module.h"
+
+namespace libcamera::ipa::rkisp1::algorithms {
+
+class Af : public ipa::common::algorithms::AfHillClimbing<Module>
+{
+public:
+ Af() = default;
+ ~Af() = default;
+
+ int configure(IPAContext &context, const IPACameraSensorInfo &configInfo) override;
+ void prepare(IPAContext &context, rkisp1_params_cfg *params) override;
+ void process(IPAContext &context, IPAFrameContext *frameCtx,
+ const rkisp1_stat_buffer *stats) override;
+
+ void setMetering(controls::AfMeteringEnum metering) override;
+ void setWindows(Span<const Rectangle> windows) override;
+};
+
+} /* namespace libcamera::ipa::rkisp1::algorithms */
diff --git a/src/ipa/rkisp1/algorithms/meson.build b/src/ipa/rkisp1/algorithms/meson.build
index 7ec53d89..81addcc9 100644
--- a/src/ipa/rkisp1/algorithms/meson.build
+++ b/src/ipa/rkisp1/algorithms/meson.build
@@ -1,6 +1,7 @@
# SPDX-License-Identifier: CC0-1.0
rkisp1_ipa_algorithms = files([
+ 'af.cpp',
'agc.cpp',
'awb.cpp',
'blc.cpp',