1 files changed, 102 insertions, 0 deletions
diff --git a/src/ipa/ipu3/ipa_context.h b/src/ipa/ipu3/ipa_context.h
new file mode 100644
index 00000000..97fcf06c
--- /dev/null
+++ b/src/ipa/ipu3/ipa_context.h
@@ -0,0 +1,102 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2021, Google Inc.
+ *
+ * IPU3 IPA Context
+ *
+ */
+
+#pragma once
+
+#include <linux/intel-ipu3.h>
+
+#include <libcamera/base/utils.h>
+
+#include <libcamera/controls.h>
+#include <libcamera/geometry.h>
+
+#include <libipa/fc_queue.h>
+
+namespace libcamera {
+
+namespace ipa::ipu3 {
+
+struct IPASessionConfiguration {
+	struct {
+		ipu3_uapi_grid_config bdsGrid;
+		Size bdsOutputSize;
+		uint32_t stride;
+	} grid;
+
+	struct {
+		ipu3_uapi_grid_config afGrid;
+	} af;
+
+	struct {
+		utils::Duration minExposureTime;
+		utils::Duration maxExposureTime;
+		double minAnalogueGain;
+		double maxAnalogueGain;
+	} agc;
+
+	struct {
+		int32_t defVBlank;
+		utils::Duration lineDuration;
+		Size size;
+	} sensor;
+};
+
+struct IPAActiveState {
+	struct {
+		uint32_t focus;
+		double maxVariance;
+		bool stable;
+	} af;
+
+	struct {
+		uint32_t exposure;
+		double gain;
+		uint32_t constraintMode;
+		uint32_t exposureMode;
+	} agc;
+
+	struct {
+		struct {
+			double red;
+			double green;
+			double blue;
+		} gains;
+
+		double temperatureK;
+	} awb;
+
+	struct {
+		double gamma;
+		struct ipu3_uapi_gamma_corr_lut gammaCorrection;
+	} toneMapping;
+};
+
+struct IPAFrameContext : public FrameContext {
+	struct {
+		uint32_t exposure;
+		double gain;
+	} sensor;
+};
+
+struct IPAContext {
+	IPAContext(unsigned int frameContextSize)
+		: frameContexts(frameContextSize)
+	{
+	}
+
+	IPASessionConfiguration configuration;
+	IPAActiveState activeState;
+
+	FCQueue<IPAFrameContext> frameContexts;
+
+	ControlInfoMap::Map ctrlMap;
+};
+
+} /* namespace ipa::ipu3 */
+
+} /* namespace libcamera*/