Linux-libre 4.7.1-gnupck-4.7.1-gnu

11 files changed, 973 insertions, 68 deletions

diff --git a/include/media/media-device.h b/include/media/media-device.h
index df74cfa7d..a9b33c473 100644
--- a/include/media/media-device.h
+++ b/include/media/media-device.h
@@ -25,7 +25,6 @@
 
 #include <linux/list.h>
 #include <linux/mutex.h>
-#include <linux/spinlock.h>
 
 #include <media/media-devnode.h>
 #include <media/media-entity.h>
@@ -304,8 +303,7 @@ struct media_entity_notify {
  * @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
+ * @graph_mutex: Protects access to struct media_device data
  * @pm_count_walk: Graph walk for power state walk. Access serialised using
  *		   graph_mutex.
  *
@@ -313,7 +311,8 @@ struct media_entity_notify {
  * @enable_source: Enable Source Handler function pointer
  * @disable_source: Disable Source Handler function pointer
  *
- * @link_notify: Link state change notification callback
+ * @link_notify: Link state change notification callback. This callback is
+ *		 called with the graph_mutex held.
  *
  * This structure represents an abstract high-level media device. It allows easy
  * access to entities and provides basic media device-level support. The
@@ -357,7 +356,7 @@ struct media_device {
 	u32 hw_revision;
 	u32 driver_version;
 
-	u32 topology_version;
+	u64 topology_version;
 
 	u32 id;
 	struct ida entity_internal_idx;
@@ -371,8 +370,6 @@ struct media_device {
 	/* 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;
@@ -494,7 +491,7 @@ int __must_check __media_device_register(struct media_device *mdev,
 #define media_device_register(mdev) __media_device_register(mdev, THIS_MODULE)
 
 /**
- * __media_device_unregister() - Unegisters a media device element
+ * media_device_unregister() - Unregisters a media device element
  *
  * @mdev:	pointer to struct &media_device
  *
diff --git a/include/media/media-entity.h b/include/media/media-entity.h
index 6dc9e4e8c..cbb266f7f 100644
--- a/include/media/media-entity.h
+++ b/include/media/media-entity.h
@@ -179,6 +179,9 @@ struct media_pad {
  * @link_validate:	Return whether a link is valid from the entity point of
  *			view. The media_entity_pipeline_start() function
  *			validates all links by calling this operation. Optional.
+ *
+ * Note: Those these callbacks are called with struct media_device.@graph_mutex
+ * mutex held.
  */
 struct media_entity_operations {
 	int (*link_setup)(struct media_entity *entity,
@@ -188,10 +191,38 @@ struct media_entity_operations {
 };
 
 /**
+ * enum media_entity_type - Media entity type
+ *
+ * @MEDIA_ENTITY_TYPE_BASE:
+ *	The entity isn't embedded in another subsystem structure.
+ * @MEDIA_ENTITY_TYPE_VIDEO_DEVICE:
+ *	The entity is embedded in a struct video_device instance.
+ * @MEDIA_ENTITY_TYPE_V4L2_SUBDEV:
+ *	The entity is embedded in a struct v4l2_subdev instance.
+ *
+ * Media entity objects are often not instantiated directly, but the media
+ * entity structure is inherited by (through embedding) other subsystem-specific
+ * structures. The media entity type identifies the type of the subclass
+ * structure that implements a media entity instance.
+ *
+ * This allows runtime type identification of media entities and safe casting to
+ * the correct object type. For instance, a media entity structure instance
+ * embedded in a v4l2_subdev structure instance will have the type
+ * MEDIA_ENTITY_TYPE_V4L2_SUBDEV and can safely be cast to a v4l2_subdev
+ * structure using the container_of() macro.
+ */
+enum media_entity_type {
+	MEDIA_ENTITY_TYPE_BASE,
+	MEDIA_ENTITY_TYPE_VIDEO_DEVICE,
+	MEDIA_ENTITY_TYPE_V4L2_SUBDEV,
+};
+
+/**
  * struct media_entity - A media entity graph object.
  *
  * @graph_obj:	Embedded structure containing the media object common data.
  * @name:	Entity name.
+ * @obj_type:	Type of the object that implements the media_entity.
  * @function:	Entity main function, as defined in uapi/media.h
  *		(MEDIA_ENT_F_*)
  * @flags:	Entity flags, as defined in uapi/media.h (MEDIA_ENT_FL_*)
@@ -220,6 +251,7 @@ struct media_entity_operations {
 struct media_entity {
 	struct media_gobj graph_obj;	/* must be first field in struct */
 	const char *name;
+	enum media_entity_type obj_type;
 	u32 function;
 	unsigned long flags;
 
@@ -329,56 +361,29 @@ static inline u32 media_gobj_gen_id(enum media_gobj_type type, u64 local_id)
 }
 
 /**
- * is_media_entity_v4l2_io() - identify if the entity main function
- *			       is a V4L2 I/O
- *
+ * is_media_entity_v4l2_video_device() - Check if the entity is a video_device
  * @entity:	pointer to entity
  *
- * Return: true if the entity main function is one of the V4L2 I/O types
- *	(video, VBI or SDR radio); false otherwise.
+ * Return: true if the entity is an instance of a video_device object and can
+ * safely be cast to a struct video_device using the container_of() macro, or
+ * false otherwise.
  */
-static inline bool is_media_entity_v4l2_io(struct media_entity *entity)
+static inline bool is_media_entity_v4l2_video_device(struct media_entity *entity)
 {
-	if (!entity)
-		return false;
-
-	switch (entity->function) {
-	case MEDIA_ENT_F_IO_V4L:
-	case MEDIA_ENT_F_IO_VBI:
-	case MEDIA_ENT_F_IO_SWRADIO:
-		return true;
-	default:
-		return false;
-	}
+	return entity && entity->obj_type == MEDIA_ENTITY_TYPE_VIDEO_DEVICE;
 }
 
 /**
- * is_media_entity_v4l2_subdev - return true if the entity main function is
- *				 associated with the V4L2 API subdev usage
- *
+ * is_media_entity_v4l2_subdev() - Check if the entity is a v4l2_subdev
  * @entity:	pointer to entity
  *
- * This is an ancillary function used by subdev-based V4L2 drivers.
- * It checks if the entity function is one of functions used by a V4L2 subdev,
- * e. g. camera-relatef functions, analog TV decoder, TV tuner, V4L2 DSPs.
+ * Return: true if the entity is an instance of a v4l2_subdev object and can
+ * safely be cast to a struct v4l2_subdev using the container_of() macro, or
+ * false otherwise.
  */
 static inline bool is_media_entity_v4l2_subdev(struct media_entity *entity)
 {
-	if (!entity)
-		return false;
-
-	switch (entity->function) {
-	case MEDIA_ENT_F_V4L2_SUBDEV_UNKNOWN:
-	case MEDIA_ENT_F_CAM_SENSOR:
-	case MEDIA_ENT_F_FLASH:
-	case MEDIA_ENT_F_LENS:
-	case MEDIA_ENT_F_ATV_DECODER:
-	case MEDIA_ENT_F_TUNER:
-		return true;
-
-	default:
-		return false;
-	}
+	return entity && entity->obj_type == MEDIA_ENTITY_TYPE_V4L2_SUBDEV;
 }
 
 /**
diff --git a/include/media/rc-core.h b/include/media/rc-core.h
index 0f77b3dff..b6586a911 100644
--- a/include/media/rc-core.h
+++ b/include/media/rc-core.h
@@ -215,12 +215,9 @@ enum raw_event_type {
 struct ir_raw_event {
 	union {
 		u32             duration;
-
-		struct {
-			u32     carrier;
-			u8      duty_cycle;
-		};
+		u32             carrier;
 	};
+	u8                      duty_cycle;
 
 	unsigned                pulse:1;
 	unsigned                reset:1;
@@ -228,13 +225,7 @@ struct ir_raw_event {
 	unsigned                carrier_report:1;
 };
 
-#define DEFINE_IR_RAW_EVENT(event) \
-	struct ir_raw_event event = { \
-		{ .duration = 0 } , \
-		.pulse = 0, \
-		.reset = 0, \
-		.timeout = 0, \
-		.carrier_report = 0 }
+#define DEFINE_IR_RAW_EVENT(event) struct ir_raw_event event = {}
 
 static inline void init_ir_raw_event(struct ir_raw_event *ev)
 {
@@ -256,8 +247,7 @@ void ir_raw_event_set_idle(struct rc_dev *dev, bool idle);
 
 static inline void ir_raw_event_reset(struct rc_dev *dev)
 {
-	DEFINE_IR_RAW_EVENT(ev);
-	ev.reset = true;
+	struct ir_raw_event ev = { .reset = true };
 
 	ir_raw_event_store(dev, &ev);
 	ir_raw_event_handle(dev);
diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h
index 76056ab5c..25a319030 100644
--- a/include/media/v4l2-dev.h
+++ b/include/media/v4l2-dev.h
@@ -92,6 +92,9 @@ struct video_device
 	/* device ops */
 	const struct v4l2_file_operations *fops;
 
+	/* device capabilities as used in v4l2_capabilities */
+	u32 device_caps;
+
 	/* sysfs */
 	struct device dev;		/* v4l device */
 	struct cdev *cdev;		/* character device */
diff --git a/include/media/v4l2-device.h b/include/media/v4l2-device.h
index 9c5815787..d5d45a8d3 100644
--- a/include/media/v4l2-device.h
+++ b/include/media/v4l2-device.h
@@ -196,11 +196,64 @@ static inline void v4l2_subdev_notify(struct v4l2_subdev *sd,
 			##args);					\
 })
 
-#define v4l2_device_has_op(v4l2_dev, o, f)				\
+/*
+ * Call the specified callback for all subdevs where grp_id & grpmsk != 0
+ * (if grpmsk == `0, then match them all). Ignore any errors. Note that you
+ * cannot add or delete a subdev while walking the subdevs list.
+ */
+#define v4l2_device_mask_call_all(v4l2_dev, grpmsk, o, f, args...)	\
+	do {								\
+		struct v4l2_subdev *__sd;				\
+									\
+		__v4l2_device_call_subdevs_p(v4l2_dev, __sd,		\
+			!(grpmsk) || (__sd->grp_id & (grpmsk)), o, f ,	\
+			##args);					\
+	} while (0)
+
+/*
+ * Call the specified callback for all subdevs where grp_id & grpmsk != 0
+ * (if grpmsk == `0, then match them all). If the callback returns an error
+ * other than 0 or -ENOIOCTLCMD, then return with that error code. Note that
+ * you cannot add or delete a subdev while walking the subdevs list.
+ */
+#define v4l2_device_mask_call_until_err(v4l2_dev, grpmsk, o, f, args...) \
+({									\
+	struct v4l2_subdev *__sd;					\
+	__v4l2_device_call_subdevs_until_err_p(v4l2_dev, __sd,		\
+			!(grpmsk) || (__sd->grp_id & (grpmsk)), o, f ,	\
+			##args);					\
+})
+
+/*
+ * Does any subdev with matching grpid (or all if grpid == 0) has the given
+ * op?
+ */
+#define v4l2_device_has_op(v4l2_dev, grpid, o, f)			\
+({									\
+	struct v4l2_subdev *__sd;					\
+	bool __result = false;						\
+	list_for_each_entry(__sd, &(v4l2_dev)->subdevs, list) {		\
+		if ((grpid) && __sd->grp_id != (grpid))			\
+			continue;					\
+		if (v4l2_subdev_has_op(__sd, o, f)) {			\
+			__result = true;				\
+			break;						\
+		}							\
+	}								\
+	__result;							\
+})
+
+/*
+ * Does any subdev with matching grpmsk (or all if grpmsk == 0) has the given
+ * op?
+ */
+#define v4l2_device_mask_has_op(v4l2_dev, grpmsk, o, f)			\
 ({									\
 	struct v4l2_subdev *__sd;					\
 	bool __result = false;						\
 	list_for_each_entry(__sd, &(v4l2_dev)->subdevs, list) {		\
+		if ((grpmsk) && !(__sd->grp_id & (grpmsk)))		\
+			continue;					\
 		if (v4l2_subdev_has_op(__sd, o, f)) {			\
 			__result = true;				\
 			break;						\
diff --git a/include/media/v4l2-mc.h b/include/media/v4l2-mc.h
index 98a938aab..7a8d6037a 100644
--- a/include/media/v4l2-mc.h
+++ b/include/media/v4l2-mc.h
@@ -1,7 +1,7 @@
 /*
  * v4l2-mc.h - Media Controller V4L2 types and prototypes
  *
- * Copyright (C) 2016 Mauro Carvalho Chehab <mchehab@osg.samsung.com>
+ * Copyright (C) 2016 Mauro Carvalho Chehab <mchehab@kernel.org>
  * Copyright (C) 2006-2010 Nokia Corporation
  * Copyright (c) 2016 Intel Corporation.
  *
diff --git a/include/media/v4l2-rect.h b/include/media/v4l2-rect.h
new file mode 100644
index 000000000..d2125f0cc
--- /dev/null
+++ b/include/media/v4l2-rect.h
@@ -0,0 +1,173 @@
+/*
+ * v4l2-rect.h - v4l2_rect helper functions
+ *
+ * Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef _V4L2_RECT_H_
+#define _V4L2_RECT_H_
+
+#include <linux/videodev2.h>
+
+/**
+ * v4l2_rect_set_size_to() - copy the width/height values.
+ * @r: rect whose width and height fields will be set
+ * @size: rect containing the width and height fields you need.
+ */
+static inline void v4l2_rect_set_size_to(struct v4l2_rect *r,
+					 const struct v4l2_rect *size)
+{
+	r->width = size->width;
+	r->height = size->height;
+}
+
+/**
+ * v4l2_rect_set_min_size() - width and height of r should be >= min_size.
+ * @r: rect whose width and height will be modified
+ * @min_size: rect containing the minimal width and height
+ */
+static inline void v4l2_rect_set_min_size(struct v4l2_rect *r,
+					  const struct v4l2_rect *min_size)
+{
+	if (r->width < min_size->width)
+		r->width = min_size->width;
+	if (r->height < min_size->height)
+		r->height = min_size->height;
+}
+
+/**
+ * v4l2_rect_set_max_size() - width and height of r should be <= max_size
+ * @r: rect whose width and height will be modified
+ * @max_size: rect containing the maximum width and height
+ */
+static inline void v4l2_rect_set_max_size(struct v4l2_rect *r,
+					  const struct v4l2_rect *max_size)
+{
+	if (r->width > max_size->width)
+		r->width = max_size->width;
+	if (r->height > max_size->height)
+		r->height = max_size->height;
+}
+
+/**
+ * v4l2_rect_map_inside()- r should be inside boundary.
+ * @r: rect that will be modified
+ * @boundary: rect containing the boundary for @r
+ */
+static inline void v4l2_rect_map_inside(struct v4l2_rect *r,
+					const struct v4l2_rect *boundary)
+{
+	v4l2_rect_set_max_size(r, boundary);
+	if (r->left < boundary->left)
+		r->left = boundary->left;
+	if (r->top < boundary->top)
+		r->top = boundary->top;
+	if (r->left + r->width > boundary->width)
+		r->left = boundary->width - r->width;
+	if (r->top + r->height > boundary->height)
+		r->top = boundary->height - r->height;
+}
+
+/**
+ * v4l2_rect_same_size() - return true if r1 has the same size as r2
+ * @r1: rectangle.
+ * @r2: rectangle.
+ *
+ * Return true if both rectangles have the same size.
+ */
+static inline bool v4l2_rect_same_size(const struct v4l2_rect *r1,
+				       const struct v4l2_rect *r2)
+{
+	return r1->width == r2->width && r1->height == r2->height;
+}
+
+/**
+ * v4l2_rect_intersect() - calculate the intersection of two rects.
+ * @r: intersection of @r1 and @r2.
+ * @r1: rectangle.
+ * @r2: rectangle.
+ */
+static inline void v4l2_rect_intersect(struct v4l2_rect *r,
+				       const struct v4l2_rect *r1,
+				       const struct v4l2_rect *r2)
+{
+	int right, bottom;
+
+	r->top = max(r1->top, r2->top);
+	r->left = max(r1->left, r2->left);
+	bottom = min(r1->top + r1->height, r2->top + r2->height);
+	right = min(r1->left + r1->width, r2->left + r2->width);
+	r->height = max(0, bottom - r->top);
+	r->width = max(0, right - r->left);
+}
+
+/**
+ * v4l2_rect_scale() - scale rect r by to/from
+ * @r: rect to be scaled.
+ * @from: from rectangle.
+ * @to: to rectangle.
+ *
+ * This scales rectangle @r horizontally by @to->width / @from->width and
+ * vertically by @to->height / @from->height.
+ *
+ * Typically @r is a rectangle inside @from and you want the rectangle as
+ * it would appear after scaling @from to @to. So the resulting @r will
+ * be the scaled rectangle inside @to.
+ */
+static inline void v4l2_rect_scale(struct v4l2_rect *r,
+				   const struct v4l2_rect *from,
+				   const struct v4l2_rect *to)
+{
+	if (from->width == 0 || from->height == 0) {
+		r->left = r->top = r->width = r->height = 0;
+		return;
+	}
+	r->left = (((r->left - from->left) * to->width) / from->width) & ~1;
+	r->width = ((r->width * to->width) / from->width) & ~1;
+	r->top = ((r->top - from->top) * to->height) / from->height;
+	r->height = (r->height * to->height) / from->height;
+}
+
+/**
+ * v4l2_rect_overlap() - do r1 and r2 overlap?
+ * @r1: rectangle.
+ * @r2: rectangle.
+ *
+ * Returns true if @r1 and @r2 overlap.
+ */
+static inline bool v4l2_rect_overlap(const struct v4l2_rect *r1,
+				     const struct v4l2_rect *r2)
+{
+	/*
+	 * IF the left side of r1 is to the right of the right side of r2 OR
+	 *    the left side of r2 is to the right of the right side of r1 THEN
+	 * they do not overlap.
+	 */
+	if (r1->left >= r2->left + r2->width ||
+	    r2->left >= r1->left + r1->width)
+		return false;
+	/*
+	 * IF the top side of r1 is below the bottom of r2 OR
+	 *    the top side of r2 is below the bottom of r1 THEN
+	 * they do not overlap.
+	 */
+	if (r1->top >= r2->top + r2->height ||
+	    r2->top >= r1->top + r1->height)
+		return false;
+	return true;
+}
+
+#endif
diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h
index 11e2dfec0..32fc7a4be 100644
--- a/include/media/v4l2-subdev.h
+++ b/include/media/v4l2-subdev.h
@@ -572,6 +572,7 @@ struct v4l2_subdev_pad_config {
 /**
  * struct v4l2_subdev_pad_ops - v4l2-subdev pad level operations
  *
+ * @init_cfg: initialize the pad config to default values
  * @enum_mbus_code: callback for VIDIOC_SUBDEV_ENUM_MBUS_CODE ioctl handler
  *		    code.
  * @enum_frame_size: callback for VIDIOC_SUBDEV_ENUM_FRAME_SIZE ioctl handler
@@ -607,6 +608,8 @@ struct v4l2_subdev_pad_config {
  *                  may be adjusted by the subdev driver to device capabilities.
  */
 struct v4l2_subdev_pad_ops {
+	int (*init_cfg)(struct v4l2_subdev *sd,
+			struct v4l2_subdev_pad_config *cfg);
 	int (*enum_mbus_code)(struct v4l2_subdev *sd,
 			      struct v4l2_subdev_pad_config *cfg,
 			      struct v4l2_subdev_mbus_code_enum *code);
@@ -801,7 +804,12 @@ int v4l2_subdev_link_validate_default(struct v4l2_subdev *sd,
 				      struct v4l2_subdev_format *source_fmt,
 				      struct v4l2_subdev_format *sink_fmt);
 int v4l2_subdev_link_validate(struct media_link *link);
+
+struct v4l2_subdev_pad_config *
+v4l2_subdev_alloc_pad_config(struct v4l2_subdev *sd);
+void v4l2_subdev_free_pad_config(struct v4l2_subdev_pad_config *cfg);
 #endif /* CONFIG_MEDIA_CONTROLLER */
+
 void v4l2_subdev_init(struct v4l2_subdev *sd,
 		      const struct v4l2_subdev_ops *ops);
 
diff --git a/include/media/v4l2-tpg-colors.h b/include/media/v4l2-tpg-colors.h
new file mode 100644
index 000000000..2a88d1fae
--- /dev/null
+++ b/include/media/v4l2-tpg-colors.h
@@ -0,0 +1,68 @@
+/*
+ * v4l2-tpg-colors.h - Color definitions for the test pattern generator
+ *
+ * Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef _V4L2_TPG_COLORS_H_
+#define _V4L2_TPG_COLORS_H_
+
+struct color {
+	unsigned char r, g, b;
+};
+
+struct color16 {
+	int r, g, b;
+};
+
+enum tpg_color {
+	TPG_COLOR_CSC_WHITE,
+	TPG_COLOR_CSC_YELLOW,
+	TPG_COLOR_CSC_CYAN,
+	TPG_COLOR_CSC_GREEN,
+	TPG_COLOR_CSC_MAGENTA,
+	TPG_COLOR_CSC_RED,
+	TPG_COLOR_CSC_BLUE,
+	TPG_COLOR_CSC_BLACK,
+	TPG_COLOR_75_YELLOW,
+	TPG_COLOR_75_CYAN,
+	TPG_COLOR_75_GREEN,
+	TPG_COLOR_75_MAGENTA,
+	TPG_COLOR_75_RED,
+	TPG_COLOR_75_BLUE,
+	TPG_COLOR_100_WHITE,
+	TPG_COLOR_100_YELLOW,
+	TPG_COLOR_100_CYAN,
+	TPG_COLOR_100_GREEN,
+	TPG_COLOR_100_MAGENTA,
+	TPG_COLOR_100_RED,
+	TPG_COLOR_100_BLUE,
+	TPG_COLOR_100_BLACK,
+	TPG_COLOR_TEXTFG,
+	TPG_COLOR_TEXTBG,
+	TPG_COLOR_RANDOM,
+	TPG_COLOR_RAMP,
+	TPG_COLOR_MAX = TPG_COLOR_RAMP + 256
+};
+
+extern const struct color tpg_colors[TPG_COLOR_MAX];
+extern const unsigned short tpg_rec709_to_linear[255 * 16 + 1];
+extern const unsigned short tpg_linear_to_rec709[255 * 16 + 1];
+extern const struct color16 tpg_csc_colors[V4L2_COLORSPACE_DCI_P3 + 1]
+					  [V4L2_XFER_FUNC_SMPTE2084 + 1]
+					  [TPG_COLOR_CSC_BLACK + 1];
+
+#endif
diff --git a/include/media/v4l2-tpg.h b/include/media/v4l2-tpg.h
new file mode 100644
index 000000000..329bebfa9
--- /dev/null
+++ b/include/media/v4l2-tpg.h
@@ -0,0 +1,597 @@
+/*
+ * v4l2-tpg.h - Test Pattern Generator
+ *
+ * Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef _V4L2_TPG_H_
+#define _V4L2_TPG_H_
+
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/random.h>
+#include <linux/slab.h>
+#include <linux/vmalloc.h>
+#include <linux/videodev2.h>
+#include <media/v4l2-tpg-colors.h>
+
+enum tpg_pattern {
+	TPG_PAT_75_COLORBAR,
+	TPG_PAT_100_COLORBAR,
+	TPG_PAT_CSC_COLORBAR,
+	TPG_PAT_100_HCOLORBAR,
+	TPG_PAT_100_COLORSQUARES,
+	TPG_PAT_BLACK,
+	TPG_PAT_WHITE,
+	TPG_PAT_RED,
+	TPG_PAT_GREEN,
+	TPG_PAT_BLUE,
+	TPG_PAT_CHECKERS_16X16,
+	TPG_PAT_CHECKERS_2X2,
+	TPG_PAT_CHECKERS_1X1,
+	TPG_PAT_COLOR_CHECKERS_2X2,
+	TPG_PAT_COLOR_CHECKERS_1X1,
+	TPG_PAT_ALTERNATING_HLINES,
+	TPG_PAT_ALTERNATING_VLINES,
+	TPG_PAT_CROSS_1_PIXEL,
+	TPG_PAT_CROSS_2_PIXELS,
+	TPG_PAT_CROSS_10_PIXELS,
+	TPG_PAT_GRAY_RAMP,
+
+	/* Must be the last pattern */
+	TPG_PAT_NOISE,
+};
+
+extern const char * const tpg_pattern_strings[];
+
+enum tpg_quality {
+	TPG_QUAL_COLOR,
+	TPG_QUAL_GRAY,
+	TPG_QUAL_NOISE
+};
+
+enum tpg_video_aspect {
+	TPG_VIDEO_ASPECT_IMAGE,
+	TPG_VIDEO_ASPECT_4X3,
+	TPG_VIDEO_ASPECT_14X9_CENTRE,
+	TPG_VIDEO_ASPECT_16X9_CENTRE,
+	TPG_VIDEO_ASPECT_16X9_ANAMORPHIC,
+};
+
+enum tpg_pixel_aspect {
+	TPG_PIXEL_ASPECT_SQUARE,
+	TPG_PIXEL_ASPECT_NTSC,
+	TPG_PIXEL_ASPECT_PAL,
+};
+
+enum tpg_move_mode {
+	TPG_MOVE_NEG_FAST,
+	TPG_MOVE_NEG,
+	TPG_MOVE_NEG_SLOW,
+	TPG_MOVE_NONE,
+	TPG_MOVE_POS_SLOW,
+	TPG_MOVE_POS,
+	TPG_MOVE_POS_FAST,
+};
+
+extern const char * const tpg_aspect_strings[];
+
+#define TPG_MAX_PLANES 3
+#define TPG_MAX_PAT_LINES 8
+
+struct tpg_data {
+	/* Source frame size */
+	unsigned			src_width, src_height;
+	/* Buffer height */
+	unsigned			buf_height;
+	/* Scaled output frame size */
+	unsigned			scaled_width;
+	u32				field;
+	bool				field_alternate;
+	/* crop coordinates are frame-based */
+	struct v4l2_rect		crop;
+	/* compose coordinates are format-based */
+	struct v4l2_rect		compose;
+	/* border and square coordinates are frame-based */
+	struct v4l2_rect		border;
+	struct v4l2_rect		square;
+
+	/* Color-related fields */
+	enum tpg_quality		qual;
+	unsigned			qual_offset;
+	u8				alpha_component;
+	bool				alpha_red_only;
+	u8				brightness;
+	u8				contrast;
+	u8				saturation;
+	s16				hue;
+	u32				fourcc;
+	bool				is_yuv;
+	u32				colorspace;
+	u32				xfer_func;
+	u32				ycbcr_enc;
+	/*
+	 * Stores the actual transfer function, i.e. will never be
+	 * V4L2_XFER_FUNC_DEFAULT.
+	 */
+	u32				real_xfer_func;
+	/*
+	 * Stores the actual Y'CbCr encoding, i.e. will never be
+	 * V4L2_YCBCR_ENC_DEFAULT.
+	 */
+	u32				real_ycbcr_enc;
+	u32				quantization;
+	/*
+	 * Stores the actual quantization, i.e. will never be
+	 * V4L2_QUANTIZATION_DEFAULT.
+	 */
+	u32				real_quantization;
+	enum tpg_video_aspect		vid_aspect;
+	enum tpg_pixel_aspect		pix_aspect;
+	unsigned			rgb_range;
+	unsigned			real_rgb_range;
+	unsigned			buffers;
+	unsigned			planes;
+	bool				interleaved;
+	u8				vdownsampling[TPG_MAX_PLANES];
+	u8				hdownsampling[TPG_MAX_PLANES];
+	/*
+	 * horizontal positions must be ANDed with this value to enforce
+	 * correct boundaries for packed YUYV values.
+	 */
+	unsigned			hmask[TPG_MAX_PLANES];
+	/* Used to store the colors in native format, either RGB or YUV */
+	u8				colors[TPG_COLOR_MAX][3];
+	u8				textfg[TPG_MAX_PLANES][8], textbg[TPG_MAX_PLANES][8];
+	/* size in bytes for two pixels in each plane */
+	unsigned			twopixelsize[TPG_MAX_PLANES];
+	unsigned			bytesperline[TPG_MAX_PLANES];
+
+	/* Configuration */
+	enum tpg_pattern		pattern;
+	bool				hflip;
+	bool				vflip;
+	unsigned			perc_fill;
+	bool				perc_fill_blank;
+	bool				show_border;
+	bool				show_square;
+	bool				insert_sav;
+	bool				insert_eav;
+
+	/* Test pattern movement */
+	enum tpg_move_mode		mv_hor_mode;
+	int				mv_hor_count;
+	int				mv_hor_step;
+	enum tpg_move_mode		mv_vert_mode;
+	int				mv_vert_count;
+	int				mv_vert_step;
+
+	bool				recalc_colors;
+	bool				recalc_lines;
+	bool				recalc_square_border;
+
+	/* Used to store TPG_MAX_PAT_LINES lines, each with up to two planes */
+	unsigned			max_line_width;
+	u8				*lines[TPG_MAX_PAT_LINES][TPG_MAX_PLANES];
+	u8				*downsampled_lines[TPG_MAX_PAT_LINES][TPG_MAX_PLANES];
+	u8				*random_line[TPG_MAX_PLANES];
+	u8				*contrast_line[TPG_MAX_PLANES];
+	u8				*black_line[TPG_MAX_PLANES];
+};
+
+void tpg_init(struct tpg_data *tpg, unsigned w, unsigned h);
+int tpg_alloc(struct tpg_data *tpg, unsigned max_w);
+void tpg_free(struct tpg_data *tpg);
+void tpg_reset_source(struct tpg_data *tpg, unsigned width, unsigned height,
+		       u32 field);
+void tpg_log_status(struct tpg_data *tpg);
+
+void tpg_set_font(const u8 *f);
+void tpg_gen_text(const struct tpg_data *tpg,
+		u8 *basep[TPG_MAX_PLANES][2], int y, int x, char *text);
+void tpg_calc_text_basep(struct tpg_data *tpg,
+		u8 *basep[TPG_MAX_PLANES][2], unsigned p, u8 *vbuf);
+unsigned tpg_g_interleaved_plane(const struct tpg_data *tpg, unsigned buf_line);
+void tpg_fill_plane_buffer(struct tpg_data *tpg, v4l2_std_id std,
+			   unsigned p, u8 *vbuf);
+void tpg_fillbuffer(struct tpg_data *tpg, v4l2_std_id std,
+		    unsigned p, u8 *vbuf);
+bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc);
+void tpg_s_crop_compose(struct tpg_data *tpg, const struct v4l2_rect *crop,
+		const struct v4l2_rect *compose);
+
+static inline void tpg_s_pattern(struct tpg_data *tpg, enum tpg_pattern pattern)
+{
+	if (tpg->pattern == pattern)
+		return;
+	tpg->pattern = pattern;
+	tpg->recalc_colors = true;
+}
+
+static inline void tpg_s_quality(struct tpg_data *tpg,
+				    enum tpg_quality qual, unsigned qual_offset)
+{
+	if (tpg->qual == qual && tpg->qual_offset == qual_offset)
+		return;
+	tpg->qual = qual;
+	tpg->qual_offset = qual_offset;
+	tpg->recalc_colors = true;
+}
+
+static inline enum tpg_quality tpg_g_quality(const struct tpg_data *tpg)
+{
+	return tpg->qual;
+}
+
+static inline void tpg_s_alpha_component(struct tpg_data *tpg,
+					    u8 alpha_component)
+{
+	if (tpg->alpha_component == alpha_component)
+		return;
+	tpg->alpha_component = alpha_component;
+	tpg->recalc_colors = true;
+}
+
+static inline void tpg_s_alpha_mode(struct tpg_data *tpg,
+					    bool red_only)
+{
+	if (tpg->alpha_red_only == red_only)
+		return;
+	tpg->alpha_red_only = red_only;
+	tpg->recalc_colors = true;
+}
+
+static inline void tpg_s_brightness(struct tpg_data *tpg,
+					u8 brightness)
+{
+	if (tpg->brightness == brightness)
+		return;
+	tpg->brightness = brightness;
+	tpg->recalc_colors = true;
+}
+
+static inline void tpg_s_contrast(struct tpg_data *tpg,
+					u8 contrast)
+{
+	if (tpg->contrast == contrast)
+		return;
+	tpg->contrast = contrast;
+	tpg->recalc_colors = true;
+}
+
+static inline void tpg_s_saturation(struct tpg_data *tpg,
+					u8 saturation)
+{
+	if (tpg->saturation == saturation)
+		return;
+	tpg->saturation = saturation;
+	tpg->recalc_colors = true;
+}
+
+static inline void tpg_s_hue(struct tpg_data *tpg,
+					s16 hue)
+{
+	if (tpg->hue == hue)
+		return;
+	tpg->hue = hue;
+	tpg->recalc_colors = true;
+}
+
+static inline void tpg_s_rgb_range(struct tpg_data *tpg,
+					unsigned rgb_range)
+{
+	if (tpg->rgb_range == rgb_range)
+		return;
+	tpg->rgb_range = rgb_range;
+	tpg->recalc_colors = true;
+}
+
+static inline void tpg_s_real_rgb_range(struct tpg_data *tpg,
+					unsigned rgb_range)
+{
+	if (tpg->real_rgb_range == rgb_range)
+		return;
+	tpg->real_rgb_range = rgb_range;
+	tpg->recalc_colors = true;
+}
+
+static inline void tpg_s_colorspace(struct tpg_data *tpg, u32 colorspace)
+{
+	if (tpg->colorspace == colorspace)
+		return;
+	tpg->colorspace = colorspace;
+	tpg->recalc_colors = true;
+}
+
+static inline u32 tpg_g_colorspace(const struct tpg_data *tpg)
+{
+	return tpg->colorspace;
+}
+
+static inline void tpg_s_ycbcr_enc(struct tpg_data *tpg, u32 ycbcr_enc)
+{
+	if (tpg->ycbcr_enc == ycbcr_enc)
+		return;
+	tpg->ycbcr_enc = ycbcr_enc;
+	tpg->recalc_colors = true;
+}
+
+static inline u32 tpg_g_ycbcr_enc(const struct tpg_data *tpg)
+{
+	return tpg->ycbcr_enc;
+}
+
+static inline void tpg_s_xfer_func(struct tpg_data *tpg, u32 xfer_func)
+{
+	if (tpg->xfer_func == xfer_func)
+		return;
+	tpg->xfer_func = xfer_func;
+	tpg->recalc_colors = true;
+}
+
+static inline u32 tpg_g_xfer_func(const struct tpg_data *tpg)
+{
+	return tpg->xfer_func;
+}
+
+static inline void tpg_s_quantization(struct tpg_data *tpg, u32 quantization)
+{
+	if (tpg->quantization == quantization)
+		return;
+	tpg->quantization = quantization;
+	tpg->recalc_colors = true;
+}
+
+static inline u32 tpg_g_quantization(const struct tpg_data *tpg)
+{
+	return tpg->quantization;
+}
+
+static inline unsigned tpg_g_buffers(const struct tpg_data *tpg)
+{
+	return tpg->buffers;
+}
+
+static inline unsigned tpg_g_planes(const struct tpg_data *tpg)
+{
+	return tpg->interleaved ? 1 : tpg->planes;
+}
+
+static inline bool tpg_g_interleaved(const struct tpg_data *tpg)
+{
+	return tpg->interleaved;
+}
+
+static inline unsigned tpg_g_twopixelsize(const struct tpg_data *tpg, unsigned plane)
+{
+	return tpg->twopixelsize[plane];
+}
+
+static inline unsigned tpg_hdiv(const struct tpg_data *tpg,
+				  unsigned plane, unsigned x)
+{
+	return ((x / tpg->hdownsampling[plane]) & tpg->hmask[plane]) *
+		tpg->twopixelsize[plane] / 2;
+}
+
+static inline unsigned tpg_hscale(const struct tpg_data *tpg, unsigned x)
+{
+	return (x * tpg->scaled_width) / tpg->src_width;
+}
+
+static inline unsigned tpg_hscale_div(const struct tpg_data *tpg,
+				      unsigned plane, unsigned x)
+{
+	return tpg_hdiv(tpg, plane, tpg_hscale(tpg, x));
+}
+
+static inline unsigned tpg_g_bytesperline(const struct tpg_data *tpg, unsigned plane)
+{
+	return tpg->bytesperline[plane];
+}
+
+static inline void tpg_s_bytesperline(struct tpg_data *tpg, unsigned plane, unsigned bpl)
+{
+	unsigned p;
+
+	if (tpg->buffers > 1) {
+		tpg->bytesperline[plane] = bpl;
+		return;
+	}
+
+	for (p = 0; p < tpg_g_planes(tpg); p++) {
+		unsigned plane_w = bpl * tpg->twopixelsize[p] / tpg->twopixelsize[0];
+
+		tpg->bytesperline[p] = plane_w / tpg->hdownsampling[p];
+	}
+	if (tpg_g_interleaved(tpg))
+		tpg->bytesperline[1] = tpg->bytesperline[0];
+}
+
+
+static inline unsigned tpg_g_line_width(const struct tpg_data *tpg, unsigned plane)
+{
+	unsigned w = 0;
+	unsigned p;
+
+	if (tpg->buffers > 1)
+		return tpg_g_bytesperline(tpg, plane);
+	for (p = 0; p < tpg_g_planes(tpg); p++) {
+		unsigned plane_w = tpg_g_bytesperline(tpg, p);
+
+		w += plane_w / tpg->vdownsampling[p];
+	}
+	return w;
+}
+
+static inline unsigned tpg_calc_line_width(const struct tpg_data *tpg,
+					   unsigned plane, unsigned bpl)
+{
+	unsigned w = 0;
+	unsigned p;
+
+	if (tpg->buffers > 1)
+		return bpl;
+	for (p = 0; p < tpg_g_planes(tpg); p++) {
+		unsigned plane_w = bpl * tpg->twopixelsize[p] / tpg->twopixelsize[0];
+
+		plane_w /= tpg->hdownsampling[p];
+		w += plane_w / tpg->vdownsampling[p];
+	}
+	return w;
+}
+
+static inline unsigned tpg_calc_plane_size(const struct tpg_data *tpg, unsigned plane)
+{
+	if (plane >= tpg_g_planes(tpg))
+		return 0;
+
+	return tpg_g_bytesperline(tpg, plane) * tpg->buf_height /
+	       tpg->vdownsampling[plane];
+}
+
+static inline void tpg_s_buf_height(struct tpg_data *tpg, unsigned h)
+{
+	tpg->buf_height = h;
+}
+
+static inline void tpg_s_field(struct tpg_data *tpg, unsigned field, bool alternate)
+{
+	tpg->field = field;
+	tpg->field_alternate = alternate;
+}
+
+static inline void tpg_s_perc_fill(struct tpg_data *tpg,
+				      unsigned perc_fill)
+{
+	tpg->perc_fill = perc_fill;
+}
+
+static inline unsigned tpg_g_perc_fill(const struct tpg_data *tpg)
+{
+	return tpg->perc_fill;
+}
+
+static inline void tpg_s_perc_fill_blank(struct tpg_data *tpg,
+					 bool perc_fill_blank)
+{
+	tpg->perc_fill_blank = perc_fill_blank;
+}
+
+static inline void tpg_s_video_aspect(struct tpg_data *tpg,
+					enum tpg_video_aspect vid_aspect)
+{
+	if (tpg->vid_aspect == vid_aspect)
+		return;
+	tpg->vid_aspect = vid_aspect;
+	tpg->recalc_square_border = true;
+}
+
+static inline enum tpg_video_aspect tpg_g_video_aspect(const struct tpg_data *tpg)
+{
+	return tpg->vid_aspect;
+}
+
+static inline void tpg_s_pixel_aspect(struct tpg_data *tpg,
+					enum tpg_pixel_aspect pix_aspect)
+{
+	if (tpg->pix_aspect == pix_aspect)
+		return;
+	tpg->pix_aspect = pix_aspect;
+	tpg->recalc_square_border = true;
+}
+
+static inline void tpg_s_show_border(struct tpg_data *tpg,
+					bool show_border)
+{
+	tpg->show_border = show_border;
+}
+
+static inline void tpg_s_show_square(struct tpg_data *tpg,
+					bool show_square)
+{
+	tpg->show_square = show_square;
+}
+
+static inline void tpg_s_insert_sav(struct tpg_data *tpg, bool insert_sav)
+{
+	tpg->insert_sav = insert_sav;
+}
+
+static inline void tpg_s_insert_eav(struct tpg_data *tpg, bool insert_eav)
+{
+	tpg->insert_eav = insert_eav;
+}
+
+void tpg_update_mv_step(struct tpg_data *tpg);
+
+static inline void tpg_s_mv_hor_mode(struct tpg_data *tpg,
+				enum tpg_move_mode mv_hor_mode)
+{
+	tpg->mv_hor_mode = mv_hor_mode;
+	tpg_update_mv_step(tpg);
+}
+
+static inline void tpg_s_mv_vert_mode(struct tpg_data *tpg,
+				enum tpg_move_mode mv_vert_mode)
+{
+	tpg->mv_vert_mode = mv_vert_mode;
+	tpg_update_mv_step(tpg);
+}
+
+static inline void tpg_init_mv_count(struct tpg_data *tpg)
+{
+	tpg->mv_hor_count = tpg->mv_vert_count = 0;
+}
+
+static inline void tpg_update_mv_count(struct tpg_data *tpg, bool frame_is_field)
+{
+	tpg->mv_hor_count += tpg->mv_hor_step * (frame_is_field ? 1 : 2);
+	tpg->mv_vert_count += tpg->mv_vert_step * (frame_is_field ? 1 : 2);
+}
+
+static inline void tpg_s_hflip(struct tpg_data *tpg, bool hflip)
+{
+	if (tpg->hflip == hflip)
+		return;
+	tpg->hflip = hflip;
+	tpg_update_mv_step(tpg);
+	tpg->recalc_lines = true;
+}
+
+static inline bool tpg_g_hflip(const struct tpg_data *tpg)
+{
+	return tpg->hflip;
+}
+
+static inline void tpg_s_vflip(struct tpg_data *tpg, bool vflip)
+{
+	tpg->vflip = vflip;
+}
+
+static inline bool tpg_g_vflip(const struct tpg_data *tpg)
+{
+	return tpg->vflip;
+}
+
+static inline bool tpg_pattern_is_static(const struct tpg_data *tpg)
+{
+	return tpg->pattern != TPG_PAT_NOISE &&
+	       tpg->mv_hor_mode == TPG_MOVE_NONE &&
+	       tpg->mv_vert_mode == TPG_MOVE_NONE;
+}
+
+#endif
diff --git a/include/media/vsp1.h b/include/media/vsp1.h
index cc5417538..3e654a045 100644
--- a/include/media/vsp1.h
+++ b/include/media/vsp1.h
@@ -23,11 +23,22 @@ 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);
+void vsp1_du_atomic_begin(struct device *dev);
+int vsp1_du_atomic_update_ext(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, unsigned int alpha,
+			      unsigned int zpos);
+void vsp1_du_atomic_flush(struct device *dev);
+
+static inline int vsp1_du_atomic_update(struct device *dev,
+					unsigned int rpf_index, u32 pixelformat,
+					unsigned int pitch, dma_addr_t mem[2],
+					const struct v4l2_rect *src,
+					const struct v4l2_rect *dst)
+{
+	return vsp1_du_atomic_update_ext(dev, rpf_index, pixelformat, pitch,
+					 mem, src, dst, 255, 0);
+}
 
 #endif /* __MEDIA_VSP1_H__ */