Linux-libre 4.6.2-gnu

12 files changed, 467 insertions, 54 deletions

diff --git a/include/media/i2c/tvp5150.h b/include/media/i2c/tvp5150.h
deleted file mode 100644
index 649908a25..000000000
--- a/include/media/i2c/tvp5150.h
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
-    tvp5150.h - definition for tvp5150 inputs
-
-    Copyright (C) 2006 Hans Verkuil (hverkuil@xs4all.nl)
-
-    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.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
-
-#ifndef _TVP5150_H_
-#define _TVP5150_H_
-
-/* TVP5150 HW inputs */
-#define TVP5150_COMPOSITE0 0
-#define TVP5150_COMPOSITE1 1
-#define TVP5150_SVIDEO     2
-
-/* TVP5150 HW outputs */
-#define TVP5150_NORMAL       0
-#define TVP5150_BLACK_SCREEN 1
-
-#endif
diff --git a/include/media/media-device.h b/include/media/media-device.h
index d3855898c..df74cfa7d 100644
--- a/include/media/media-device.h
+++ b/include/media/media-device.h
@@ -265,9 +265,29 @@ struct ida;
 struct device;
 
 /**
+ * struct media_entity_notify - Media Entity Notify
+ *
+ * @list: List head
+ * @notify_data: Input data to invoke the callback
+ * @notify: Callback function pointer
+ *
+ * Drivers may register a callback to take action when
+ * new entities get registered with the media device.
+ */
+struct media_entity_notify {
+	struct list_head list;
+	void *notify_data;
+	void (*notify)(struct media_entity *entity, void *notify_data);
+};
+
+/**
  * struct media_device - Media device
  * @dev:	Parent device
  * @devnode:	Media device node
+ * @driver_name: Optional device driver name. If not set, calls to
+ *		%MEDIA_IOC_DEVICE_INFO will return dev->driver->name.
+ *		This is needed for USB drivers for example, as otherwise
+ *		they'll all appear as if the driver name was "usb".
  * @model:	Device model name
  * @serial:	Device serial number (optional)
  * @bus_info:	Unique and stable device location identifier
@@ -283,8 +303,16 @@ struct device;
  * @interfaces:	List of registered interfaces
  * @pads:	List of registered pads
  * @links:	List of registered links
+ * @entity_notify: List of registered entity_notify callbacks
  * @lock:	Entities list lock
  * @graph_mutex: Entities graph operation lock
+ * @pm_count_walk: Graph walk for power state walk. Access serialised using
+ *		   graph_mutex.
+ *
+ * @source_priv: Driver Private data for enable/disable source handlers
+ * @enable_source: Enable Source Handler function pointer
+ * @disable_source: Disable Source Handler function pointer
+ *
  * @link_notify: Link state change notification callback
  *
  * This structure represents an abstract high-level media device. It allows easy
@@ -296,6 +324,26 @@ struct device;
  *
  * @model is a descriptive model name exported through sysfs. It doesn't have to
  * be unique.
+ *
+ * @enable_source is a handler to find source entity for the
+ * sink entity  and activate the link between them if source
+ * entity is free. Drivers should call this handler before
+ * accessing the source.
+ *
+ * @disable_source is a handler to find source entity for the
+ * sink entity  and deactivate the link between them. Drivers
+ * should call this handler to release the source.
+ *
+ * Note: Bridge driver is expected to implement and set the
+ * handler when media_device is registered or when
+ * bridge driver finds the media_device during probe.
+ * Bridge driver sets source_priv with information
+ * necessary to run enable/disable source handlers.
+ *
+ * Use-case: find tuner entity connected to the decoder
+ * entity and check if it is available, and activate the
+ * the link between them from enable_source and deactivate
+ * from disable_source.
  */
 struct media_device {
 	/* dev->driver_data points to this struct. */
@@ -303,6 +351,7 @@ struct media_device {
 	struct media_devnode devnode;
 
 	char model[32];
+	char driver_name[32];
 	char serial[40];
 	char bus_info[32];
 	u32 hw_revision;
@@ -319,15 +368,28 @@ struct media_device {
 	struct list_head pads;
 	struct list_head links;
 
+	/* notify callback list invoked when a new entity is registered */
+	struct list_head entity_notify;
+
 	/* Protects the graph objects creation/removal */
 	spinlock_t lock;
 	/* Serializes graph operations. */
 	struct mutex graph_mutex;
+	struct media_entity_graph pm_count_walk;
+
+	void *source_priv;
+	int (*enable_source)(struct media_entity *entity,
+			     struct media_pipeline *pipe);
+	void (*disable_source)(struct media_entity *entity);
 
 	int (*link_notify)(struct media_link *link, u32 flags,
 			   unsigned int notification);
 };
 
+/* We don't need to include pci.h or usb.h here */
+struct pci_dev;
+struct usb_device;
+
 #ifdef CONFIG_MEDIA_CONTROLLER
 
 /* Supported link_notify @notification values. */
@@ -498,6 +560,31 @@ int __must_check media_device_register_entity(struct media_device *mdev,
 void media_device_unregister_entity(struct media_entity *entity);
 
 /**
+ * media_device_register_entity_notify() - Registers a media entity_notify
+ *					   callback
+ *
+ * @mdev:      The media device
+ * @nptr:      The media_entity_notify
+ *
+ * Note: When a new entity is registered, all the registered
+ * media_entity_notify callbacks are invoked.
+ */
+
+int __must_check media_device_register_entity_notify(struct media_device *mdev,
+					struct media_entity_notify *nptr);
+
+/**
+ * media_device_unregister_entity_notify() - Unregister a media entity notify
+ *					     callback
+ *
+ * @mdev:      The media device
+ * @nptr:      The media_entity_notify
+ *
+ */
+void media_device_unregister_entity_notify(struct media_device *mdev,
+					struct media_entity_notify *nptr);
+
+/**
  * media_device_get_devres() -	get media device as device resource
  *				creates if one doesn't exist
  *
@@ -536,6 +623,39 @@ struct media_device *media_device_find_devres(struct device *dev);
 /* Iterate over all links. */
 #define media_device_for_each_link(link, mdev)			\
 	list_for_each_entry(link, &(mdev)->links, graph_obj.list)
+
+/**
+ * media_device_pci_init() - create and initialize a
+ *	struct &media_device from a PCI device.
+ *
+ * @mdev:	pointer to struct &media_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.
+ */
+void media_device_pci_init(struct media_device *mdev,
+			   struct pci_dev *pci_dev,
+			   const char *name);
+/**
+ * __media_device_usb_init() - create and initialize a
+ *	struct &media_device from a PCI device.
+ *
+ * @mdev:	pointer to struct &media_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 media_device_usb_init() instead, as
+ * such macro fills driver_name with %KBUILD_MODNAME.
+ */
+void __media_device_usb_init(struct media_device *mdev,
+			     struct usb_device *udev,
+			     const char *board_name,
+			     const char *driver_name);
+
 #else
 static inline int media_device_register(struct media_device *mdev)
 {
@@ -552,6 +672,17 @@ static inline int media_device_register_entity(struct media_device *mdev,
 static inline void media_device_unregister_entity(struct media_entity *entity)
 {
 }
+static inline int media_device_register_entity_notify(
+					struct media_device *mdev,
+					struct media_entity_notify *nptr)
+{
+	return 0;
+}
+static inline void media_device_unregister_entity_notify(
+					struct media_device *mdev,
+					struct media_entity_notify *nptr)
+{
+}
 static inline struct media_device *media_device_get_devres(struct device *dev)
 {
 	return NULL;
@@ -560,5 +691,23 @@ static inline struct media_device *media_device_find_devres(struct device *dev)
 {
 	return NULL;
 }
+
+static inline void media_device_pci_init(struct media_device *mdev,
+					 struct pci_dev *pci_dev,
+					 char *name)
+{
+}
+
+static inline void __media_device_usb_init(struct media_device *mdev,
+					   struct usb_device *udev,
+					   char *board_name,
+					   char *driver_name)
+{
+}
+
 #endif /* CONFIG_MEDIA_CONTROLLER */
+
+#define media_device_usb_init(mdev, udev, name) \
+	__media_device_usb_init(mdev, udev, name, KBUILD_MODNAME)
+
 #endif
diff --git a/include/media/media-entity.h b/include/media/media-entity.h
index fe485d367..6dc9e4e8c 100644
--- a/include/media/media-entity.h
+++ b/include/media/media-entity.h
@@ -24,6 +24,7 @@
 #define _MEDIA_ENTITY_H
 
 #include <linux/bitmap.h>
+#include <linux/bug.h>
 #include <linux/kernel.h>
 #include <linux/list.h>
 #include <linux/media.h>
@@ -832,6 +833,16 @@ media_entity_graph_walk_next(struct media_entity_graph *graph);
  */
 __must_check int media_entity_pipeline_start(struct media_entity *entity,
 					     struct media_pipeline *pipe);
+/**
+ * __media_entity_pipeline_start - Mark a pipeline as streaming
+ *
+ * @entity: Starting entity
+ * @pipe: Media pipeline to be assigned to all entities in the pipeline.
+ *
+ * Note: This is the non-locking version of media_entity_pipeline_start()
+ */
+__must_check int __media_entity_pipeline_start(struct media_entity *entity,
+					       struct media_pipeline *pipe);
 
 /**
  * media_entity_pipeline_stop - Mark a pipeline as not streaming
@@ -848,6 +859,15 @@ __must_check int media_entity_pipeline_start(struct media_entity *entity,
 void media_entity_pipeline_stop(struct media_entity *entity);
 
 /**
+ * __media_entity_pipeline_stop - Mark a pipeline as not streaming
+ *
+ * @entity: Starting entity
+ *
+ * Note: This is the non-locking version of media_entity_pipeline_stop()
+ */
+void __media_entity_pipeline_stop(struct media_entity *entity);
+
+/**
  * media_devnode_create() - creates and initializes a device node interface
  *
  * @mdev:	pointer to struct &media_device
diff --git a/include/media/rc-core.h b/include/media/rc-core.h
index f6494709e..0f77b3dff 100644
--- a/include/media/rc-core.h
+++ b/include/media/rc-core.h
@@ -60,6 +60,7 @@ enum rc_filter_type {
 /**
  * struct rc_dev - represents a remote control device
  * @dev: driver model's view of this device
+ * @initialized: 1 if the device init has completed, 0 otherwise
  * @sysfs_groups: sysfs attribute groups
  * @input_name: name of the input child device
  * @input_phys: physical path to the input child device
@@ -121,6 +122,7 @@ enum rc_filter_type {
  */
 struct rc_dev {
 	struct device			dev;
+	atomic_t			initialized;
 	const struct attribute_group	*sysfs_groups[5];
 	const char			*input_name;
 	const char			*input_phys;
diff --git a/include/media/tuner.h b/include/media/tuner.h
index e5321fda5..b3edc14e7 100644
--- a/include/media/tuner.h
+++ b/include/media/tuner.h
@@ -20,14 +20,7 @@
 #ifdef __KERNEL__
 
 #include <linux/videodev2.h>
-
-/* Tuner PADs */
-/* FIXME: is this the right place for it? */
-enum tuner_pad_index {
-	TUNER_PAD_RF_INPUT,
-	TUNER_PAD_IF_OUTPUT,
-	TUNER_NUM_PADS
-};
+#include <media/v4l2-mc.h>
 
 #define ADDR_UNSET (255)
 
diff --git a/include/media/v4l2-ctrls.h b/include/media/v4l2-ctrls.h
index da6fe9802..0bc9b35b8 100644
--- a/include/media/v4l2-ctrls.h
+++ b/include/media/v4l2-ctrls.h
@@ -535,18 +535,6 @@ struct v4l2_ctrl *v4l2_ctrl_new_int_menu(struct v4l2_ctrl_handler *hdl,
 			u32 id, u8 max, u8 def, const s64 *qmenu_int);
 
 /**
- * v4l2_ctrl_add_ctrl() - Add a control from another handler to this handler.
- * @hdl:	The control handler.
- * @ctrl:	The control to add.
- *
- * It will return NULL if it was unable to add the control reference.
- * If the control already belonged to the handler, then it will do
- * nothing and just return @ctrl.
- */
-struct v4l2_ctrl *v4l2_ctrl_add_ctrl(struct v4l2_ctrl_handler *hdl,
-					  struct v4l2_ctrl *ctrl);
-
-/**
  * v4l2_ctrl_add_handler() - Add all controls from handler @add to
  * handler @hdl.
  * @hdl:	The control handler.
diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h
index eeabf20e8..76056ab5c 100644
--- a/include/media/v4l2-dev.h
+++ b/include/media/v4l2-dev.h
@@ -87,6 +87,7 @@ struct video_device
 #if defined(CONFIG_MEDIA_CONTROLLER)
 	struct media_entity entity;
 	struct media_intf_devnode *intf_devnode;
+	struct media_pipeline pipe;
 #endif
 	/* device ops */
 	const struct v4l2_file_operations *fops;
diff --git a/include/media/v4l2-mc.h b/include/media/v4l2-mc.h
new file mode 100644
index 000000000..98a938aab
--- /dev/null
+++ b/include/media/v4l2-mc.h
@@ -0,0 +1,243 @@
+/*
+ * v4l2-mc.h - Media Controller V4L2 types and prototypes
+ *
+ * Copyright (C) 2016 Mauro Carvalho Chehab <mchehab@osg.samsung.com>
+ * Copyright (C) 2006-2010 Nokia Corporation
+ * Copyright (c) 2016 Intel Corporation.
+ *
+ * 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>
+#include <media/v4l2-dev.h>
+#include <linux/types.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_PAD_AUDIO_OUT: Audio 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_PAD_AUDIO_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);
+
+/**
+ * v4l_enable_media_source() -	Hold media source for exclusive use
+ *				if free
+ *
+ * @vdev:	pointer to struct video_device
+ *
+ * This interface calls enable_source handler to determine if
+ * media source is free for use. The enable_source handler is
+ * responsible for checking is the media source is free and
+ * start a pipeline between the media source and the media
+ * entity associated with the video device. This interface
+ * should be called from v4l2-core and dvb-core interfaces
+ * that change the source configuration.
+ *
+ * Return: returns zero on success or a negative error code.
+ */
+int v4l_enable_media_source(struct video_device *vdev);
+
+/**
+ * v4l_disable_media_source() -	Release media source
+ *
+ * @vdev:	pointer to struct video_device
+ *
+ * This interface calls disable_source handler to release
+ * the media source. The disable_source handler stops the
+ * active media pipeline between the media source and the
+ * media entity associated with the video device.
+ *
+ * Return: returns zero on success or a negative error code.
+ */
+void v4l_disable_media_source(struct video_device *vdev);
+
+/*
+ * v4l_vb2q_enable_media_tuner -  Hold media source for exclusive use
+ *				  if free.
+ * @q - pointer to struct vb2_queue
+ *
+ * Wrapper for v4l_enable_media_source(). This function should
+ * be called from v4l2-core to enable the media source with
+ * pointer to struct vb2_queue as the input argument. Some
+ * v4l2-core interfaces don't have access to video device and
+ * this interface finds the struct video_device for the q and
+ * calls v4l_enable_media_source().
+ */
+int v4l_vb2q_enable_media_source(struct vb2_queue *q);
+
+
+/**
+ * v4l2_pipeline_pm_use - Update the use count of an entity
+ * @entity: The entity
+ * @use: Use (1) or stop using (0) the entity
+ *
+ * Update the use count of all entities in the pipeline and power entities on or
+ * off accordingly.
+ *
+ * This function is intended to be called in video node open (use ==
+ * 1) and release (use == 0). It uses struct media_entity.use_count to
+ * track the power status. The use of this function should be paired
+ * with v4l2_pipeline_link_notify().
+ *
+ * Return 0 on success or a negative error code on failure. Powering entities
+ * off is assumed to never fail. No failure can occur when the use parameter is
+ * set to 0.
+ */
+int v4l2_pipeline_pm_use(struct media_entity *entity, int use);
+
+
+/**
+ * v4l2_pipeline_link_notify - Link management notification callback
+ * @link: The link
+ * @flags: New link flags that will be applied
+ * @notification: The link's state change notification type (MEDIA_DEV_NOTIFY_*)
+ *
+ * React to link management on powered pipelines by updating the use count of
+ * all entities in the source and sink sides of the link. Entities are powered
+ * on or off accordingly. The use of this function should be paired
+ * with v4l2_pipeline_pm_use().
+ *
+ * Return 0 on success or a negative error code on failure. Powering entities
+ * off is assumed to never fail. This function will not fail for disconnection
+ * events.
+ */
+int v4l2_pipeline_link_notify(struct media_link *link, u32 flags,
+			      unsigned int notification);
+
+#else /* CONFIG_MEDIA_CONTROLLER */
+
+static inline int v4l2_mc_create_media_graph(struct media_device *mdev)
+{
+	return 0;
+}
+
+static inline int v4l_enable_media_source(struct video_device *vdev)
+{
+	return 0;
+}
+
+static inline void v4l_disable_media_source(struct video_device *vdev)
+{
+}
+
+static inline int v4l_vb2q_enable_media_source(struct vb2_queue *q)
+{
+	return 0;
+}
+
+static inline int v4l2_pipeline_pm_use(struct media_entity *entity, int use)
+{
+	return 0;
+}
+
+static inline int v4l2_pipeline_link_notify(struct media_link *link, u32 flags,
+					    unsigned int notification)
+{
+	return 0;
+}
+
+#endif /* CONFIG_MEDIA_CONTROLLER */
+#endif /* _V4L2_MC_H */
diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h
index b273cf9ac..11e2dfec0 100644
--- a/include/media/v4l2-subdev.h
+++ b/include/media/v4l2-subdev.h
@@ -179,6 +179,8 @@ struct v4l2_subdev_io_pin_config {
  *		     for it to be warned when the value of a control changes.
  *
  * @unsubscribe_event: remove event subscription from the control framework.
+ *
+ * @registered_async: the subdevice has been registered async.
  */
 struct v4l2_subdev_core_ops {
 	int (*log_status)(struct v4l2_subdev *sd);
@@ -211,6 +213,7 @@ struct v4l2_subdev_core_ops {
 			       struct v4l2_event_subscription *sub);
 	int (*unsubscribe_event)(struct v4l2_subdev *sd, struct v4l2_fh *fh,
 				 struct v4l2_event_subscription *sub);
+	int (*registered_async)(struct v4l2_subdev *sd);
 };
 
 /**
diff --git a/include/media/videobuf2-dma-contig.h b/include/media/videobuf2-dma-contig.h
index c33dfa69d..2087c9a68 100644
--- a/include/media/videobuf2-dma-contig.h
+++ b/include/media/videobuf2-dma-contig.h
@@ -16,6 +16,8 @@
 #include <media/videobuf2-v4l2.h>
 #include <linux/dma-mapping.h>
 
+struct dma_attrs;
+
 static inline dma_addr_t
 vb2_dma_contig_plane_dma_addr(struct vb2_buffer *vb, unsigned int plane_no)
 {
@@ -24,7 +26,14 @@ vb2_dma_contig_plane_dma_addr(struct vb2_buffer *vb, unsigned int plane_no)
 	return *addr;
 }
 
-void *vb2_dma_contig_init_ctx(struct device *dev);
+void *vb2_dma_contig_init_ctx_attrs(struct device *dev,
+				    struct dma_attrs *attrs);
+
+static inline void *vb2_dma_contig_init_ctx(struct device *dev)
+{
+	return vb2_dma_contig_init_ctx_attrs(dev, NULL);
+}
+
 void vb2_dma_contig_cleanup_ctx(void *alloc_ctx);
 
 extern const struct vb2_mem_ops vb2_dma_contig_memops;
diff --git a/include/media/videobuf2-dvb.h b/include/media/videobuf2-dvb.h
index 5b64c9eac..87b559024 100644
--- a/include/media/videobuf2-dvb.h
+++ b/include/media/videobuf2-dvb.h
@@ -8,6 +8,10 @@
 #include <dvb_frontend.h>
 
 #include <media/videobuf2-v4l2.h>
+
+/* We don't actually need to include media-device.h here */
+struct media_device;
+
 /*
  * TODO: This header file should be replaced with videobuf2-core.h
  * Currently, vb2_thread is not a stuff of videobuf2-core,
@@ -50,6 +54,7 @@ int vb2_dvb_register_bus(struct vb2_dvb_frontends *f,
 			 struct module *module,
 			 void *adapter_priv,
 			 struct device *device,
+			 struct media_device *mdev,
 			 short *adapter_nr,
 			 int mfe_shared);
 
diff --git a/include/media/vsp1.h b/include/media/vsp1.h
new file mode 100644
index 000000000..cc5417538
--- /dev/null
+++ b/include/media/vsp1.h
@@ -0,0 +1,33 @@
+/*
+ * vsp1.h  --  R-Car VSP1 API
+ *
+ * Copyright (C) 2015 Renesas Electronics Corporation
+ *
+ * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.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.
+ */
+#ifndef __MEDIA_VSP1_H__
+#define __MEDIA_VSP1_H__
+
+#include <linux/types.h>
+
+struct device;
+struct v4l2_rect;
+
+int vsp1_du_init(struct device *dev);
+
+int vsp1_du_setup_lif(struct device *dev, unsigned int width,
+		      unsigned int height);
+
+int vsp1_du_atomic_begin(struct device *dev);
+int vsp1_du_atomic_update(struct device *dev, unsigned int rpf, u32 pixelformat,
+			  unsigned int pitch, dma_addr_t mem[2],
+			  const struct v4l2_rect *src,
+			  const struct v4l2_rect *dst);
+int vsp1_du_atomic_flush(struct device *dev);
+
+#endif /* __MEDIA_VSP1_H__ */