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diff --git a/include/media/v4l2-mc.h b/include/media/v4l2-mc.h
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+/*
+ * v4l2-mc.h - Media Controller V4L2 types and prototypes
+ *
+ * Copyright (C) 2016 Mauro Carvalho Chehab <mchehab@osg.samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 _V4L2_MC_H
+#define _V4L2_MC_H
+
+#include <media/media-device.h>
+
+/**
+ * enum tuner_pad_index - tuner pad index for MEDIA_ENT_F_TUNER
+ *
+ * @TUNER_PAD_RF_INPUT:	Radiofrequency (RF) sink pad, usually linked to a
+ *			RF connector entity.
+ * @TUNER_PAD_OUTPUT:	Tuner video output source pad. Contains the video
+ *			chrominance and luminance or the hole bandwidth
+ *			of the signal converted to an Intermediate Frequency
+ *			(IF) or to baseband (on zero-IF tuners).
+ * @TUNER_PAD_AUD_OUT:	Tuner audio output source pad. Tuners used to decode
+ *			analog TV signals have an extra pad for audio output.
+ *			Old tuners use an analog stage with a saw filter for
+ *			the audio IF frequency. The output of the pad is, in
+ *			this case, the audio IF, with should be decoded either
+ *			by the bridge chipset (that's the case of cx2388x
+ *			chipsets) or may require an external IF sound
+ *			processor, like msp34xx. On modern silicon tuners,
+ *			the audio IF decoder is usually incorporated at the
+ *			tuner. On such case, the output of this pad is an
+ *			audio sampled data.
+ * @TUNER_NUM_PADS:	Number of pads of the tuner.
+ */
+enum tuner_pad_index {
+	TUNER_PAD_RF_INPUT,
+	TUNER_PAD_OUTPUT,
+	TUNER_PAD_AUD_OUT,
+	TUNER_NUM_PADS
+};
+
+/**
+ * enum if_vid_dec_index - video IF-PLL pad index for
+ *			   MEDIA_ENT_F_IF_VID_DECODER
+ *
+ * @IF_VID_DEC_PAD_IF_INPUT:	video Intermediate Frequency (IF) sink pad
+ * @IF_VID_DEC_PAD_OUT:		IF-PLL video output source pad. Contains the
+ *				video chrominance and luminance IF signals.
+ * @IF_VID_DEC_PAD_NUM_PADS:	Number of pads of the video IF-PLL.
+ */
+enum if_vid_dec_pad_index {
+	IF_VID_DEC_PAD_IF_INPUT,
+	IF_VID_DEC_PAD_OUT,
+	IF_VID_DEC_PAD_NUM_PADS
+};
+
+/**
+ * enum if_aud_dec_index - audio/sound IF-PLL pad index for
+ *			   MEDIA_ENT_F_IF_AUD_DECODER
+ *
+ * @IF_AUD_DEC_PAD_IF_INPUT:	audio Intermediate Frequency (IF) sink pad
+ * @IF_AUD_DEC_PAD_OUT:		IF-PLL audio output source pad. Contains the
+ *				audio sampled stream data, usually connected
+ *				to the bridge bus via an Inter-IC Sound (I2S)
+ *				bus.
+ * @IF_AUD_DEC_PAD_NUM_PADS:	Number of pads of the audio IF-PLL.
+ */
+enum if_aud_dec_pad_index {
+	IF_AUD_DEC_PAD_IF_INPUT,
+	IF_AUD_DEC_PAD_OUT,
+	IF_AUD_DEC_PAD_NUM_PADS
+};
+
+/**
+ * enum demod_pad_index - analog TV pad index for MEDIA_ENT_F_ATV_DECODER
+ *
+ * @DEMOD_PAD_IF_INPUT:	IF input sink pad.
+ * @DEMOD_PAD_VID_OUT:	Video output source pad.
+ * @DEMOD_PAD_VBI_OUT:	Vertical Blank Interface (VBI) output source pad.
+ * @DEMOD_NUM_PADS:	Maximum number of output pads.
+ */
+enum demod_pad_index {
+	DEMOD_PAD_IF_INPUT,
+	DEMOD_PAD_VID_OUT,
+	DEMOD_PAD_VBI_OUT,
+	DEMOD_NUM_PADS
+};
+
+/* We don't need to include pci.h or usb.h here */
+struct pci_dev;
+struct usb_device;
+
+#ifdef CONFIG_MEDIA_CONTROLLER
+/**
+ * v4l2_mc_create_media_graph() - create Media Controller links at the graph.
+ *
+ * @mdev:	pointer to the &media_device struct.
+ *
+ * Add links between the entities commonly found on PC customer's hardware at
+ * the V4L2 side: camera sensors, audio and video PLL-IF decoders, tuners,
+ * analog TV decoder and I/O entities (video, VBI and Software Defined Radio).
+ * NOTE: webcams are modelled on a very simple way: the sensor is
+ * connected directly to the I/O entity. All dirty details, like
+ * scaler and crop HW are hidden. While such mapping is enough for v4l2
+ * interface centric PC-consumer's hardware, V4L2 subdev centric camera
+ * hardware should not use this routine, as it will not build the right graph.
+ */
+int v4l2_mc_create_media_graph(struct media_device *mdev);
+
+/**
+ * v4l2_mc_pci_media_device_init() - create and initialize a
+ *	struct &media_device from a PCI device.
+ *
+ * @pci_dev:	pointer to struct pci_dev
+ * @name:	media device name. If %NULL, the routine will use the default
+ *		name for the pci device, given by pci_name() macro.
+ */
+struct media_device *v4l2_mc_pci_media_device_init(struct pci_dev *pci_dev,
+						   const char *name);
+/**
+ * __v4l2_mc_usb_media_device_init() - create and initialize a
+ *	struct &media_device from a PCI device.
+ *
+ * @udev:	pointer to struct usb_device
+ * @board_name:	media device name. If %NULL, the routine will use the usb
+ *		product name, if available.
+ * @driver_name: name of the driver. if %NULL, the routine will use the name
+ *		given by udev->dev->driver->name, with is usually the wrong
+ *		thing to do.
+ *
+ * NOTE: It is better to call v4l2_mc_usb_media_device_init() instead, as
+ * such macro fills driver_name with %KBUILD_MODNAME.
+ */
+struct media_device *__v4l2_mc_usb_media_device_init(struct usb_device *udev,
+						     const char *board_name,
+						     const char *driver_name);
+
+#else
+static inline int v4l2_mc_create_media_graph(struct media_device *mdev)
+{
+	return 0;
+}
+
+static inline
+struct media_device *v4l2_mc_pci_media_device_init(struct pci_dev *pci_dev,
+						   char *name)
+{
+	return NULL;
+}
+
+static inline
+struct media_device *__v4l2_mc_usb_media_device_init(struct usb_device *udev,
+						     char *board_name,
+						     char *driver_name)
+{
+	return NULL;
+}
+#endif
+
+#define v4l2_mc_usb_media_device_init(udev, name) \
+	__v4l2_mc_usb_media_device_init(udev, name, KBUILD_MODNAME)
+
+#endif