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diff --git a/lib/xlnx-priv.h b/lib/xlnx-priv.h
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+/*
+ * Xilinx Video Library - Internal API
+ *
+ * Copyright (C) 2014-2016 Ideas on board Oy
+ *
+ * Contact: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
+ *
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or (at
+ * your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ */
+#ifndef __XLNX_PRIV_H__
+#define __XLNX_PRIV_H__
+/** \cond INTERNAL_API */
+
+#include <stdbool.h>
+#include <stdlib.h>
+
+#include <xlnx-list.h>
+#include <xlnx-video.h>
+
+struct media_device;
+struct media_entity;
+struct media_entity_desc;
+
+/**
+ * \brief Xilinx video entity in a component
+ */
+struct xlnx_video_entity {
+	/** Entities list */
+	struct list_entry list;
+	/** Media entity */
+	struct media_entity *entity;
+	/** Media entity information */
+	const struct media_entity_desc *info;
+	/** Indicates whether this is the last entity in the component */
+	bool last;
+};
+
+/**
+ * \brief Xilinx video component
+ */
+struct xlnx_video_component {
+	/** The library context */
+	struct xlnx_video *xv;
+	/** List entry in the context's components list */
+	struct list_entry list;
+	/** List of video entities in the component */
+	struct list_entry entities;
+
+	/** Component type */
+	enum xlnx_video_component_type type;
+	/** Component name */
+	const char *name;
+
+	/**
+	 * Entity at the input of the component (NULL if the component has no
+	 * input entity).
+	 */
+	struct xlnx_video_entity *input;
+	/**
+	 * Entity at the output of the component (NULL if the component has no
+	 * output entity).
+	 */
+	struct xlnx_video_entity *output;
+};
+
+/**
+ * \brief Xilinx video library context
+ */
+struct xlnx_video {
+	/** List of video components in the system */
+	struct list_entry components;
+	/** Number of components in the components list */
+	unsigned int num_components;
+
+	/** List of loaded plugins */
+	struct list_entry plugins;
+
+	/** Event handler operations */
+	const struct xlnx_video_event_operations *event_ops;
+	/** Event handler private data */
+	void *event_handler;
+
+	/** Log level for library messages */
+	enum xlnx_log_level log_level;
+};
+
+int xlnx_video_plugin_init(struct xlnx_video *xv);
+void xlnx_video_plugin_fini(struct xlnx_video *xv);
+struct xlnx_video_component *xlnx_video_plugin_scan(struct xlnx_video *xv,
+						    struct media_device *mdev);
+
+void xlnx_video_log_print(struct xlnx_video *xv, unsigned int level,
+			  const char *func, const char *fmt, ...);
+
+#define xlnx_dbg(xv, fmt...) \
+	xlnx_video_log_print(xv, XLNX_LOG_DEBUG, __func__, fmt)
+
+/** \endcond INTERNAL_API */
+#endif /* __XLNX_PRIV_H__ */