Merge tag 'media/v6.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media updates from Mauro Carvalho Chehab:

 - removal of the old omap4iss media driver

 - mantis: remove orphan mantis_core.h

 - add support for Raspberypi CFE

 - uvc driver got a co-maintainer

 - main media tree moved to git://linuxtv.org/media.git

 - lots of driver cleanups, updates and fixes

* tag 'media/v6.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (233 commits)
  docs: media: update location of the media patches
  MAINTAINERS: update location of media main tree
  media: MAINTAINERS: Add Hans de Goede as USB VIDEO CLASS co-maintainer
  media: platform: samsung: s5p-jpeg: Remove deadcode
  media: qcom: camss: Add MSM8953 resources
  media: dt-bindings: Add qcom,msm8953-camss
  media: qcom: camss: implement pm domain ops for VFE v4.1
  media: platform: exynos4-is: Fix an OF node reference leak in fimc_md_is_isp_available
  media: adv7180: Also check for "adi,force-bt656-4"
  media: dt-bindings: adv7180: Document 'adi,force-bt656-4'
  media: mgb4: Fix inconsistent input/output alignment in loopback mode
  media: replace obsolete hans.verkuil@cisco.com alias
  Documentation: media: improve V4L2_CID_MIN_BUFFERS_FOR_*, doc
  media: vicodec: add V4L2_CID_MIN_BUFFERS_FOR_* controls
  media: atomisp: Add check for rgby_data memory allocation failure
  media: atomisp: remove redundant re-checking of err
  media: atomisp: Fix spelling errors reported by codespell
  media: atomisp: Remove License information boilerplate
  media: atomisp: Fix typos in comment
  media: atomisp: hmm_bo: Fix spelling errors in hmm_bo.h
  ...

13 files changed, 447 insertions, 100 deletions

diff --git a/include/linux/platform_data/media/omap4iss.h b/include/linux/platform_data/media/omap4iss.h
deleted file mode 100644
index 2a511a8fcda7..000000000000
--- a/include/linux/platform_data/media/omap4iss.h
+++ /dev/null
@@ -1,66 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef ARCH_ARM_PLAT_OMAP4_ISS_H
-#define ARCH_ARM_PLAT_OMAP4_ISS_H
-
-#include <linux/i2c.h>
-
-struct iss_device;
-
-enum iss_interface_type {
-	ISS_INTERFACE_CSI2A_PHY1,
-	ISS_INTERFACE_CSI2B_PHY2,
-};
-
-/**
- * struct iss_csiphy_lane: CSI2 lane position and polarity
- * @pos: position of the lane
- * @pol: polarity of the lane
- */
-struct iss_csiphy_lane {
-	u8 pos;
-	u8 pol;
-};
-
-#define ISS_CSIPHY1_NUM_DATA_LANES	4
-#define ISS_CSIPHY2_NUM_DATA_LANES	1
-
-/**
- * struct iss_csiphy_lanes_cfg - CSI2 lane configuration
- * @data: Configuration of one or two data lanes
- * @clk: Clock lane configuration
- */
-struct iss_csiphy_lanes_cfg {
-	struct iss_csiphy_lane data[ISS_CSIPHY1_NUM_DATA_LANES];
-	struct iss_csiphy_lane clk;
-};
-
-/**
- * struct iss_csi2_platform_data - CSI2 interface platform data
- * @crc: Enable the cyclic redundancy check
- * @vpclk_div: Video port output clock control
- */
-struct iss_csi2_platform_data {
-	unsigned crc:1;
-	unsigned vpclk_div:2;
-	struct iss_csiphy_lanes_cfg lanecfg;
-};
-
-struct iss_subdev_i2c_board_info {
-	struct i2c_board_info *board_info;
-	int i2c_adapter_id;
-};
-
-struct iss_v4l2_subdevs_group {
-	struct iss_subdev_i2c_board_info *subdevs;
-	enum iss_interface_type interface;
-	union {
-		struct iss_csi2_platform_data csi2;
-	} bus; /* gcc < 4.6.0 chokes on anonymous union initializers */
-};
-
-struct iss_platform_data {
-	struct iss_v4l2_subdevs_group *subdevs;
-	void (*set_constraints)(struct iss_device *iss, bool enable);
-};
-
-#endif
diff --git a/include/linux/usb/uvc.h b/include/linux/usb/uvc.h
index 88d96095bcb1..bce95153e5a6 100644
--- a/include/linux/usb/uvc.h
+++ b/include/linux/usb/uvc.h
@@ -118,6 +118,9 @@
 #define UVC_GUID_FORMAT_Y12I \
 	{ 'Y',  '1',  '2',  'I', 0x00, 0x00, 0x10, 0x00, \
 	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_Y16I \
+	{ 'Y',  '1',  '6',  'I', 0x00, 0x00, 0x10, 0x00, \
+	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
 #define UVC_GUID_FORMAT_Z16 \
 	{ 'Z',  '1',  '6',  ' ', 0x00, 0x00, 0x10, 0x00, \
 	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
@@ -140,6 +143,9 @@
 #define UVC_GUID_FORMAT_D3DFMT_L8 \
 	{0x32, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, \
 	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_D3DFMT_R5G6B5 \
+	{0x7b, 0xeb, 0x36, 0xe4, 0x4f, 0x52, 0xce, 0x11, \
+	 0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}
 #define UVC_GUID_FORMAT_KSMEDIA_L8_IR \
 	{0x32, 0x00, 0x00, 0x00, 0x02, 0x00, 0x10, 0x00, \
 	 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
diff --git a/include/media/i2c/mt9p031.h b/include/media/i2c/mt9p031.h
deleted file mode 100644
index f933cd0be8e5..000000000000
--- a/include/media/i2c/mt9p031.h
+++ /dev/null
@@ -1,18 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef MT9P031_H
-#define MT9P031_H
-
-struct v4l2_subdev;
-
-/*
- * struct mt9p031_platform_data - MT9P031 platform data
- * @ext_freq: Input clock frequency
- * @target_freq: Pixel clock frequency
- */
-struct mt9p031_platform_data {
-	unsigned int pixclk_pol:1;
-	int ext_freq;
-	int target_freq;
-};
-
-#endif
diff --git a/include/media/i2c/ths7303.h b/include/media/i2c/ths7303.h
index fee2818c558d..fc937025cdb4 100644
--- a/include/media/i2c/ths7303.h
+++ b/include/media/i2c/ths7303.h
@@ -5,7 +5,7 @@
  * Copyright 2013 Cisco Systems, Inc. and/or its affiliates.
  *
  * Contributors:
- *     Hans Verkuil <hans.verkuil@cisco.com>
+ *     Hans Verkuil <hansverk@cisco.com>
  *     Lad, Prabhakar <prabhakar.lad@ti.com>
  *     Martin Bugge <marbugge@cisco.com>
  */
diff --git a/include/media/media-entity.h b/include/media/media-entity.h
index 0393b23129eb..64cf590b1134 100644
--- a/include/media/media-entity.h
+++ b/include/media/media-entity.h
@@ -1143,10 +1143,10 @@ struct media_entity *media_graph_walk_next(struct media_graph *graph);
 
 /**
  * media_pipeline_start - Mark a pipeline as streaming
- * @pad: Starting pad
+ * @origin: Starting pad
  * @pipe: Media pipeline to be assigned to all pads in the pipeline.
  *
- * Mark all pads connected to a given pad through enabled links, either
+ * Mark all pads connected to pad @origin through enabled links, either
  * directly or indirectly, as streaming. The given pipeline object is assigned
  * to every pad in the pipeline and stored in the media_pad pipe field.
  *
@@ -1155,17 +1155,17 @@ struct media_entity *media_graph_walk_next(struct media_graph *graph);
  * pipeline pointer must be identical for all nested calls to
  * media_pipeline_start().
  */
-__must_check int media_pipeline_start(struct media_pad *pad,
+__must_check int media_pipeline_start(struct media_pad *origin,
 				      struct media_pipeline *pipe);
 /**
  * __media_pipeline_start - Mark a pipeline as streaming
  *
- * @pad: Starting pad
+ * @origin: Starting pad
  * @pipe: Media pipeline to be assigned to all pads in the pipeline.
  *
  * ..note:: This is the non-locking version of media_pipeline_start()
  */
-__must_check int __media_pipeline_start(struct media_pad *pad,
+__must_check int __media_pipeline_start(struct media_pad *origin,
 					struct media_pipeline *pipe);
 
 /**
diff --git a/include/media/media-request.h b/include/media/media-request.h
index 3cd25a2717ce..d4ac557678a7 100644
--- a/include/media/media-request.h
+++ b/include/media/media-request.h
@@ -5,7 +5,7 @@
  * Copyright 2018 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
  * Copyright (C) 2018 Intel Corporation
  *
- * Author: Hans Verkuil <hans.verkuil@cisco.com>
+ * Author: Hans Verkuil <hansverk@cisco.com>
  * Author: Sakari Ailus <sakari.ailus@linux.intel.com>
  */
 
diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h
index d82dfdbf6e58..1b6222fab24e 100644
--- a/include/media/v4l2-dev.h
+++ b/include/media/v4l2-dev.h
@@ -62,6 +62,7 @@ struct v4l2_ioctl_callbacks;
 struct video_device;
 struct v4l2_device;
 struct v4l2_ctrl_handler;
+struct dentry;
 
 /**
  * enum v4l2_video_device_flags - Flags used by &struct video_device
@@ -539,6 +540,20 @@ static inline int video_is_registered(struct video_device *vdev)
 	return test_bit(V4L2_FL_REGISTERED, &vdev->flags);
 }
 
+/**
+ * v4l2_debugfs_root - returns the dentry of the top-level "v4l2" debugfs dir
+ *
+ * If this directory does not yet exist, then it will be created.
+ */
+#ifdef CONFIG_DEBUG_FS
+struct dentry *v4l2_debugfs_root(void);
+#else
+static inline struct dentry *v4l2_debugfs_root(void)
+{
+	return NULL;
+}
+#endif
+
 #if defined(CONFIG_MEDIA_CONTROLLER)
 
 /**
diff --git a/include/media/v4l2-dv-timings.h b/include/media/v4l2-dv-timings.h
index 8fa963326bf6..ff07dc6b103c 100644
--- a/include/media/v4l2-dv-timings.h
+++ b/include/media/v4l2-dv-timings.h
@@ -8,6 +8,7 @@
 #ifndef __V4L2_DV_TIMINGS_H
 #define __V4L2_DV_TIMINGS_H
 
+#include <linux/debugfs.h>
 #include <linux/videodev2.h>
 
 /**
@@ -146,15 +147,18 @@ void v4l2_print_dv_timings(const char *dev_prefix, const char *prefix,
  * @polarities: the horizontal and vertical polarities (same as struct
  *		v4l2_bt_timings polarities).
  * @interlaced: if this flag is true, it indicates interlaced format
+ * @cap: the v4l2_dv_timings_cap capabilities.
  * @fmt: the resulting timings.
  *
  * This function will attempt to detect if the given values correspond to a
  * valid CVT format. If so, then it will return true, and fmt will be filled
  * in with the found CVT timings.
  */
-bool v4l2_detect_cvt(unsigned frame_height, unsigned hfreq, unsigned vsync,
-		unsigned active_width, u32 polarities, bool interlaced,
-		struct v4l2_dv_timings *fmt);
+bool v4l2_detect_cvt(unsigned int frame_height, unsigned int hfreq,
+		     unsigned int vsync, unsigned int active_width,
+		     u32 polarities, bool interlaced,
+		     const struct v4l2_dv_timings_cap *cap,
+		     struct v4l2_dv_timings *fmt);
 
 /**
  * v4l2_detect_gtf - detect if the given timings follow the GTF standard
@@ -170,15 +174,18 @@ bool v4l2_detect_cvt(unsigned frame_height, unsigned hfreq, unsigned vsync,
  *		image height, so it has to be passed explicitly. Usually
  *		the native screen aspect ratio is used for this. If it
  *		is not filled in correctly, then 16:9 will be assumed.
+ * @cap: the v4l2_dv_timings_cap capabilities.
  * @fmt: the resulting timings.
  *
  * This function will attempt to detect if the given values correspond to a
  * valid GTF format. If so, then it will return true, and fmt will be filled
  * in with the found GTF timings.
  */
-bool v4l2_detect_gtf(unsigned frame_height, unsigned hfreq, unsigned vsync,
-		u32 polarities, bool interlaced, struct v4l2_fract aspect,
-		struct v4l2_dv_timings *fmt);
+bool v4l2_detect_gtf(unsigned int frame_height, unsigned int hfreq,
+		     unsigned int vsync, u32 polarities, bool interlaced,
+		     struct v4l2_fract aspect,
+		     const struct v4l2_dv_timings_cap *cap,
+		     struct v4l2_dv_timings *fmt);
 
 /**
  * v4l2_calc_aspect_ratio - calculate the aspect ratio based on bytes
@@ -251,4 +258,51 @@ void v4l2_set_edid_phys_addr(u8 *edid, unsigned int size, u16 phys_addr);
 u16 v4l2_phys_addr_for_input(u16 phys_addr, u8 input);
 int v4l2_phys_addr_validate(u16 phys_addr, u16 *parent, u16 *port);
 
+/* Add support for exporting InfoFrames to debugfs */
+
+/*
+ * HDMI InfoFrames start with a 3 byte header, then a checksum,
+ * followed by the actual IF payload.
+ *
+ * The payload length is limited to 30 bytes according to the HDMI spec,
+ * but since the length is encoded in 5 bits, it can be 31 bytes theoretically.
+ * So set the max length as 31 + 3 (header) + 1 (checksum) = 35.
+ */
+#define V4L2_DEBUGFS_IF_MAX_LEN (35)
+
+#define V4L2_DEBUGFS_IF_AVI	BIT(0)
+#define V4L2_DEBUGFS_IF_AUDIO	BIT(1)
+#define V4L2_DEBUGFS_IF_SPD	BIT(2)
+#define V4L2_DEBUGFS_IF_HDMI	BIT(3)
+
+typedef ssize_t (*v4l2_debugfs_if_read_t)(u32 type, void *priv,
+					  struct file *filp, char __user *ubuf,
+					  size_t count, loff_t *ppos);
+
+struct v4l2_debugfs_if {
+	struct dentry *if_dir;
+	void *priv;
+
+	v4l2_debugfs_if_read_t if_read;
+};
+
+#ifdef CONFIG_DEBUG_FS
+struct v4l2_debugfs_if *v4l2_debugfs_if_alloc(struct dentry *root, u32 if_types,
+					      void *priv,
+					      v4l2_debugfs_if_read_t if_read);
+void v4l2_debugfs_if_free(struct v4l2_debugfs_if *infoframes);
+#else
+static inline
+struct v4l2_debugfs_if *v4l2_debugfs_if_alloc(struct dentry *root, u32 if_types,
+					      void *priv,
+					      v4l2_debugfs_if_read_t if_read)
+{
+	return NULL;
+}
+
+static inline void v4l2_debugfs_if_free(struct v4l2_debugfs_if *infoframes)
+{
+}
+#endif
+
 #endif
diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h
index 8daa0929865c..2f2200875b03 100644
--- a/include/media/v4l2-subdev.h
+++ b/include/media/v4l2-subdev.h
@@ -450,8 +450,9 @@ enum v4l2_subdev_pre_streamon_flags {
  *	already started or stopped subdev. Also see call_s_stream wrapper in
  *	v4l2-subdev.c.
  *
- *	New drivers should instead implement &v4l2_subdev_pad_ops.enable_streams
- *	and &v4l2_subdev_pad_ops.disable_streams operations, and use
+ *	This callback is DEPRECATED. New drivers should instead implement
+ *	&v4l2_subdev_pad_ops.enable_streams and
+ *	&v4l2_subdev_pad_ops.disable_streams operations, and use
  *	v4l2_subdev_s_stream_helper for the &v4l2_subdev_video_ops.s_stream
  *	operation to support legacy users.
  *
@@ -833,11 +834,19 @@ struct v4l2_subdev_state {
  *	v4l2_subdev_init_finalize() at initialization time). Do not call
  *	directly, use v4l2_subdev_enable_streams() instead.
  *
+ *	Drivers that support only a single stream without setting the
+ *	V4L2_SUBDEV_CAP_STREAMS sub-device capability flag can ignore the mask
+ *	argument.
+ *
  * @disable_streams: Disable the streams defined in streams_mask on the given
  *	source pad. Subdevs that implement this operation must use the active
  *	state management provided by the subdev core (enabled through a call to
  *	v4l2_subdev_init_finalize() at initialization time). Do not call
  *	directly, use v4l2_subdev_disable_streams() instead.
+ *
+ *	Drivers that support only a single stream without setting the
+ *	V4L2_SUBDEV_CAP_STREAMS sub-device capability flag can ignore the mask
+ *	argument.
  */
 struct v4l2_subdev_pad_ops {
 	int (*enum_mbus_code)(struct v4l2_subdev *sd,
@@ -1676,6 +1685,8 @@ int v4l2_subdev_routing_validate(struct v4l2_subdev *sd,
  * function implements a best-effort compatibility by calling the .s_stream()
  * operation, limited to subdevs that have a single source pad.
  *
+ * Drivers that are not stream-aware shall set @streams_mask to BIT_ULL(0).
+ *
  * Return:
  * * 0: Success
  * * -EALREADY: One of the streams in streams_mask is already enabled
@@ -1706,6 +1717,8 @@ int v4l2_subdev_enable_streams(struct v4l2_subdev *sd, u32 pad,
  * function implements a best-effort compatibility by calling the .s_stream()
  * operation, limited to subdevs that have a single source pad.
  *
+ * Drivers that are not stream-aware shall set @streams_mask to BIT_ULL(0).
+ *
  * Return:
  * * 0: Success
  * * -EALREADY: One of the streams in streams_mask is not enabled
diff --git a/include/uapi/linux/media/raspberrypi/pisp_fe_config.h b/include/uapi/linux/media/raspberrypi/pisp_fe_config.h
new file mode 100644
index 000000000000..77237460a3b5
--- /dev/null
+++ b/include/uapi/linux/media/raspberrypi/pisp_fe_config.h
@@ -0,0 +1,273 @@
+/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
+/*
+ * RP1 PiSP Front End Driver Configuration structures
+ *
+ * Copyright (C) 2021 - Raspberry Pi Ltd.
+ *
+ */
+#ifndef _UAPI_PISP_FE_CONFIG_
+#define _UAPI_PISP_FE_CONFIG_
+
+#include <linux/types.h>
+
+#include "pisp_common.h"
+#include "pisp_fe_statistics.h"
+
+#define PISP_FE_NUM_OUTPUTS 2
+
+enum pisp_fe_enable {
+	PISP_FE_ENABLE_INPUT = 0x000001,
+	PISP_FE_ENABLE_DECOMPRESS = 0x000002,
+	PISP_FE_ENABLE_DECOMPAND = 0x000004,
+	PISP_FE_ENABLE_BLA = 0x000008,
+	PISP_FE_ENABLE_DPC = 0x000010,
+	PISP_FE_ENABLE_STATS_CROP = 0x000020,
+	PISP_FE_ENABLE_DECIMATE = 0x000040,
+	PISP_FE_ENABLE_BLC = 0x000080,
+	PISP_FE_ENABLE_CDAF_STATS = 0x000100,
+	PISP_FE_ENABLE_AWB_STATS = 0x000200,
+	PISP_FE_ENABLE_RGBY = 0x000400,
+	PISP_FE_ENABLE_LSC = 0x000800,
+	PISP_FE_ENABLE_AGC_STATS = 0x001000,
+	PISP_FE_ENABLE_CROP0 = 0x010000,
+	PISP_FE_ENABLE_DOWNSCALE0 = 0x020000,
+	PISP_FE_ENABLE_COMPRESS0 = 0x040000,
+	PISP_FE_ENABLE_OUTPUT0 = 0x080000,
+	PISP_FE_ENABLE_CROP1 = 0x100000,
+	PISP_FE_ENABLE_DOWNSCALE1 = 0x200000,
+	PISP_FE_ENABLE_COMPRESS1 = 0x400000,
+	PISP_FE_ENABLE_OUTPUT1 = 0x800000
+};
+
+#define PISP_FE_ENABLE_CROP(i) (PISP_FE_ENABLE_CROP0 << (4 * (i)))
+#define PISP_FE_ENABLE_DOWNSCALE(i) (PISP_FE_ENABLE_DOWNSCALE0 << (4 * (i)))
+#define PISP_FE_ENABLE_COMPRESS(i) (PISP_FE_ENABLE_COMPRESS0 << (4 * (i)))
+#define PISP_FE_ENABLE_OUTPUT(i) (PISP_FE_ENABLE_OUTPUT0 << (4 * (i)))
+
+/*
+ * We use the enable flags to show when blocks are "dirty", but we need some
+ * extra ones too.
+ */
+enum pisp_fe_dirty {
+	PISP_FE_DIRTY_GLOBAL = 0x0001,
+	PISP_FE_DIRTY_FLOATING = 0x0002,
+	PISP_FE_DIRTY_OUTPUT_AXI = 0x0004
+};
+
+struct pisp_fe_global_config {
+	__u32 enables;
+	__u8 bayer_order;
+	__u8 pad[3];
+} __attribute__((packed));
+
+struct pisp_fe_input_axi_config {
+	/* burst length minus one, in the range 0..15; OR'd with flags */
+	__u8 maxlen_flags;
+	/* { prot[2:0], cache[3:0] } fields */
+	__u8 cache_prot;
+	/* QoS (only 4 LS bits are used) */
+	__u16 qos;
+} __attribute__((packed));
+
+struct pisp_fe_output_axi_config {
+	/* burst length minus one, in the range 0..15; OR'd with flags */
+	__u8 maxlen_flags;
+	/* { prot[2:0], cache[3:0] } fields */
+	__u8 cache_prot;
+	/* QoS (4 bitfields of 4 bits each for different panic levels) */
+	__u16 qos;
+	/*  For Panic mode: Output FIFO panic threshold */
+	__u16 thresh;
+	/*  For Panic mode: Output FIFO statistics throttle threshold */
+	__u16 throttle;
+} __attribute__((packed));
+
+struct pisp_fe_input_config {
+	__u8 streaming;
+	__u8 pad[3];
+	struct pisp_image_format_config format;
+	struct pisp_fe_input_axi_config axi;
+	/* Extra cycles delay before issuing each burst request */
+	__u8 holdoff;
+	__u8 pad2[3];
+} __attribute__((packed));
+
+struct pisp_fe_output_config {
+	struct pisp_image_format_config format;
+	__u16 ilines;
+	__u8 pad[2];
+} __attribute__((packed));
+
+struct pisp_fe_input_buffer_config {
+	__u32 addr_lo;
+	__u32 addr_hi;
+	__u16 frame_id;
+	__u16 pad;
+} __attribute__((packed));
+
+#define PISP_FE_DECOMPAND_LUT_SIZE 65
+
+struct pisp_fe_decompand_config {
+	__u16 lut[PISP_FE_DECOMPAND_LUT_SIZE];
+	__u16 pad;
+} __attribute__((packed));
+
+struct pisp_fe_dpc_config {
+	__u8 coeff_level;
+	__u8 coeff_range;
+	__u8 coeff_range2;
+#define PISP_FE_DPC_FLAG_FOLDBACK 1
+#define PISP_FE_DPC_FLAG_VFLAG 2
+	__u8 flags;
+} __attribute__((packed));
+
+#define PISP_FE_LSC_LUT_SIZE 16
+
+struct pisp_fe_lsc_config {
+	__u8 shift;
+	__u8 pad0;
+	__u16 scale;
+	__u16 centre_x;
+	__u16 centre_y;
+	__u16 lut[PISP_FE_LSC_LUT_SIZE];
+} __attribute__((packed));
+
+struct pisp_fe_rgby_config {
+	__u16 gain_r;
+	__u16 gain_g;
+	__u16 gain_b;
+	__u8 maxflag;
+	__u8 pad;
+} __attribute__((packed));
+
+struct pisp_fe_agc_stats_config {
+	__u16 offset_x;
+	__u16 offset_y;
+	__u16 size_x;
+	__u16 size_y;
+	/* each weight only 4 bits */
+	__u8 weights[PISP_AGC_STATS_NUM_ZONES / 2];
+	__u16 row_offset_x;
+	__u16 row_offset_y;
+	__u16 row_size_x;
+	__u16 row_size_y;
+	__u8 row_shift;
+	__u8 float_shift;
+	__u8 pad1[2];
+} __attribute__((packed));
+
+struct pisp_fe_awb_stats_config {
+	__u16 offset_x;
+	__u16 offset_y;
+	__u16 size_x;
+	__u16 size_y;
+	__u8 shift;
+	__u8 pad[3];
+	__u16 r_lo;
+	__u16 r_hi;
+	__u16 g_lo;
+	__u16 g_hi;
+	__u16 b_lo;
+	__u16 b_hi;
+} __attribute__((packed));
+
+struct pisp_fe_floating_stats_region {
+	__u16 offset_x;
+	__u16 offset_y;
+	__u16 size_x;
+	__u16 size_y;
+} __attribute__((packed));
+
+struct pisp_fe_floating_stats_config {
+	struct pisp_fe_floating_stats_region
+		regions[PISP_FLOATING_STATS_NUM_ZONES];
+} __attribute__((packed));
+
+#define PISP_FE_CDAF_NUM_WEIGHTS 8
+
+struct pisp_fe_cdaf_stats_config {
+	__u16 noise_constant;
+	__u16 noise_slope;
+	__u16 offset_x;
+	__u16 offset_y;
+	__u16 size_x;
+	__u16 size_y;
+	__u16 skip_x;
+	__u16 skip_y;
+	__u32 mode;
+} __attribute__((packed));
+
+struct pisp_fe_stats_buffer_config {
+	__u32 addr_lo;
+	__u32 addr_hi;
+} __attribute__((packed));
+
+struct pisp_fe_crop_config {
+	__u16 offset_x;
+	__u16 offset_y;
+	__u16 width;
+	__u16 height;
+} __attribute__((packed));
+
+enum pisp_fe_downscale_flags {
+	/* downscale the four Bayer components independently... */
+	DOWNSCALE_BAYER = 1,
+	/* ...without trying to preserve their spatial relationship */
+	DOWNSCALE_BIN = 2,
+};
+
+struct pisp_fe_downscale_config {
+	__u8 xin;
+	__u8 xout;
+	__u8 yin;
+	__u8 yout;
+	__u8 flags; /* enum pisp_fe_downscale_flags */
+	__u8 pad[3];
+	__u16 output_width;
+	__u16 output_height;
+} __attribute__((packed));
+
+struct pisp_fe_output_buffer_config {
+	__u32 addr_lo;
+	__u32 addr_hi;
+} __attribute__((packed));
+
+/* Each of the two output channels/branches: */
+struct pisp_fe_output_branch_config {
+	struct pisp_fe_crop_config crop;
+	struct pisp_fe_downscale_config downscale;
+	struct pisp_compress_config compress;
+	struct pisp_fe_output_config output;
+	__u32 pad;
+} __attribute__((packed));
+
+/* And finally one to rule them all: */
+struct pisp_fe_config {
+	/* I/O configuration: */
+	struct pisp_fe_stats_buffer_config stats_buffer;
+	struct pisp_fe_output_buffer_config output_buffer[PISP_FE_NUM_OUTPUTS];
+	struct pisp_fe_input_buffer_config input_buffer;
+	/* processing configuration: */
+	struct pisp_fe_global_config global;
+	struct pisp_fe_input_config input;
+	struct pisp_decompress_config decompress;
+	struct pisp_fe_decompand_config decompand;
+	struct pisp_bla_config bla;
+	struct pisp_fe_dpc_config dpc;
+	struct pisp_fe_crop_config stats_crop;
+	__u32 spare1; /* placeholder for future decimate configuration */
+	struct pisp_bla_config blc;
+	struct pisp_fe_rgby_config rgby;
+	struct pisp_fe_lsc_config lsc;
+	struct pisp_fe_agc_stats_config agc_stats;
+	struct pisp_fe_awb_stats_config awb_stats;
+	struct pisp_fe_cdaf_stats_config cdaf_stats;
+	struct pisp_fe_floating_stats_config floating_stats;
+	struct pisp_fe_output_axi_config output_axi;
+	struct pisp_fe_output_branch_config ch[PISP_FE_NUM_OUTPUTS];
+	/* non-register fields: */
+	__u32 dirty_flags; /* these use pisp_fe_enable */
+	__u32 dirty_flags_extra; /* these use pisp_fe_dirty */
+} __attribute__((packed));
+
+#endif /* _UAPI_PISP_FE_CONFIG_ */
diff --git a/include/uapi/linux/media/raspberrypi/pisp_fe_statistics.h b/include/uapi/linux/media/raspberrypi/pisp_fe_statistics.h
new file mode 100644
index 000000000000..a7d42985aee8
--- /dev/null
+++ b/include/uapi/linux/media/raspberrypi/pisp_fe_statistics.h
@@ -0,0 +1,64 @@
+/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
+/*
+ * RP1 PiSP Front End statistics definitions
+ *
+ * Copyright (C) 2021 - Raspberry Pi Ltd.
+ *
+ */
+#ifndef _UAPI_PISP_FE_STATISTICS_H_
+#define _UAPI_PISP_FE_STATISTICS_H_
+
+#include <linux/types.h>
+
+#define PISP_FLOATING_STATS_NUM_ZONES 4
+#define PISP_AGC_STATS_NUM_BINS 1024
+#define PISP_AGC_STATS_SIZE 16
+#define PISP_AGC_STATS_NUM_ZONES (PISP_AGC_STATS_SIZE * PISP_AGC_STATS_SIZE)
+#define PISP_AGC_STATS_NUM_ROW_SUMS 512
+
+struct pisp_agc_statistics_zone {
+	__u64 Y_sum;
+	__u32 counted;
+	__u32 pad;
+} __attribute__((packed));
+
+struct pisp_agc_statistics {
+	__u32 row_sums[PISP_AGC_STATS_NUM_ROW_SUMS];
+	/*
+	 * 32-bits per bin means an image (just less than) 16384x16384 pixels
+	 * in size can weight every pixel from 0 to 15.
+	 */
+	__u32 histogram[PISP_AGC_STATS_NUM_BINS];
+	struct pisp_agc_statistics_zone floating[PISP_FLOATING_STATS_NUM_ZONES];
+} __attribute__((packed));
+
+#define PISP_AWB_STATS_SIZE 32
+#define PISP_AWB_STATS_NUM_ZONES (PISP_AWB_STATS_SIZE * PISP_AWB_STATS_SIZE)
+
+struct pisp_awb_statistics_zone {
+	__u32 R_sum;
+	__u32 G_sum;
+	__u32 B_sum;
+	__u32 counted;
+} __attribute__((packed));
+
+struct pisp_awb_statistics {
+	struct pisp_awb_statistics_zone zones[PISP_AWB_STATS_NUM_ZONES];
+	struct pisp_awb_statistics_zone floating[PISP_FLOATING_STATS_NUM_ZONES];
+} __attribute__((packed));
+
+#define PISP_CDAF_STATS_SIZE 8
+#define PISP_CDAF_STATS_NUM_FOMS (PISP_CDAF_STATS_SIZE * PISP_CDAF_STATS_SIZE)
+
+struct pisp_cdaf_statistics {
+	__u64 foms[PISP_CDAF_STATS_NUM_FOMS];
+	__u64 floating[PISP_FLOATING_STATS_NUM_ZONES];
+} __attribute__((packed));
+
+struct pisp_statistics {
+	struct pisp_awb_statistics awb;
+	struct pisp_agc_statistics agc;
+	struct pisp_cdaf_statistics cdaf;
+} __attribute__((packed));
+
+#endif /* _UAPI_PISP_FE_STATISTICS_H_ */
diff --git a/include/uapi/linux/v4l2-dv-timings.h b/include/uapi/linux/v4l2-dv-timings.h
index ef0128c7369c..44a16e0e5a12 100644
--- a/include/uapi/linux/v4l2-dv-timings.h
+++ b/include/uapi/linux/v4l2-dv-timings.h
@@ -2,7 +2,7 @@
 /*
  * V4L2 DV timings header.
  *
- * Copyright (C) 2012-2016  Hans Verkuil <hans.verkuil@cisco.com>
+ * Copyright (C) 2012-2016  Hans Verkuil <hansverk@cisco.com>
  */
 
 #ifndef _V4L2_DV_TIMINGS_H
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index 27239cb64065..e7c4dce39007 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -798,6 +798,7 @@ struct v4l2_pix_format {
 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */
 #define V4L2_PIX_FMT_Y8I      v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */
 #define V4L2_PIX_FMT_Y12I     v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */
+#define V4L2_PIX_FMT_Y16I     v4l2_fourcc('Y', '1', '6', 'I') /* Greyscale 16-bit L/R interleaved */
 #define V4L2_PIX_FMT_Z16      v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */
 #define V4L2_PIX_FMT_MT21C    v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode  */
 #define V4L2_PIX_FMT_MM21     v4l2_fourcc('M', 'M', '2', '1') /* Mediatek 8-bit block mode, two non-contiguous planes */
@@ -859,6 +860,8 @@ struct v4l2_pix_format {
 
 /* Vendor specific - used for RaspberryPi PiSP */
 #define V4L2_META_FMT_RPI_BE_CFG	v4l2_fourcc('R', 'P', 'B', 'C') /* PiSP BE configuration */
+#define V4L2_META_FMT_RPI_FE_CFG	v4l2_fourcc('R', 'P', 'F', 'C') /* PiSP FE configuration */
+#define V4L2_META_FMT_RPI_FE_STATS	v4l2_fourcc('R', 'P', 'F', 'S') /* PiSP FE stats */
 
 #ifdef __KERNEL__
 /*
@@ -906,6 +909,9 @@ struct v4l2_fmtdesc {
 #define V4L2_FMT_FLAG_CSC_QUANTIZATION		0x0100
 #define V4L2_FMT_FLAG_META_LINE_BASED		0x0200
 
+/*  Format description flag, to be ORed with the index */
+#define V4L2_FMTDESC_FLAG_ENUM_ALL		0x80000000
+
 	/* Frame Size and frame rate enumeration */
 /*
  *	F R A M E   S I Z E   E N U M E R A T I O N