bcm27xx: import latest patches from the RPi foundation

bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G
bcm2710: boot tested on RPi 3B v1.2
bcm2711: boot tested on RPi 4B v1.1 4G

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

1 files changed, 206 insertions, 0 deletions

diff --git a/target/linux/bcm27xx/patches-5.4/950-0677-media-i2c-ov5647-Add-support-for-g_selection-to-refl.patch b/target/linux/bcm27xx/patches-5.4/950-0677-media-i2c-ov5647-Add-support-for-g_selection-to-refl.patch
new file mode 100644
index 0000000000..66715a108e
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.4/950-0677-media-i2c-ov5647-Add-support-for-g_selection-to-refl.patch
@@ -0,0 +1,206 @@
+From 940cac315aaeca33483bffcf09a235195e3f5272 Mon Sep 17 00:00:00 2001
+From: Dave Stevenson <dave.stevenson@raspberrypi.com>
+Date: Wed, 29 Apr 2020 11:46:07 +0100
+Subject: [PATCH] media: i2c: ov5647: Add support for g_selection to
+ reflect cropping/binning
+
+In order to apply lens shading correctly the client needs to know how
+each mode crops or scales the image compared to the full sensor array.
+Implement this (based on the imx219 equivalent).
+
+Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
+---
+ drivers/media/i2c/ov5647.c | 119 ++++++++++++++++++++++++++++++-------
+ 1 file changed, 96 insertions(+), 23 deletions(-)
+
+--- a/drivers/media/i2c/ov5647.c
++++ b/drivers/media/i2c/ov5647.c
+@@ -70,25 +70,14 @@
+ #define VAL_TERM 0xfe
+ #define REG_DLY  0xffff
+ 
+-#define OV5647_ROW_START		0x01
+-#define OV5647_ROW_START_MIN		0
+-#define OV5647_ROW_START_MAX		2004
+-#define OV5647_ROW_START_DEF		54
+-
+-#define OV5647_COLUMN_START		0x02
+-#define OV5647_COLUMN_START_MIN		0
+-#define OV5647_COLUMN_START_MAX		2750
+-#define OV5647_COLUMN_START_DEF		16
+-
+-#define OV5647_WINDOW_HEIGHT		0x03
+-#define OV5647_WINDOW_HEIGHT_MIN	2
+-#define OV5647_WINDOW_HEIGHT_MAX	2006
+-#define OV5647_WINDOW_HEIGHT_DEF	1944
+-
+-#define OV5647_WINDOW_WIDTH		0x04
+-#define OV5647_WINDOW_WIDTH_MIN		2
+-#define OV5647_WINDOW_WIDTH_MAX		2752
+-#define OV5647_WINDOW_WIDTH_DEF		2592
++/* OV5647 native and active pixel array size */
++#define OV5647_NATIVE_WIDTH		2624U
++#define OV5647_NATIVE_HEIGHT		1956U
++
++#define OV5647_PIXEL_ARRAY_LEFT		16U
++#define OV5647_PIXEL_ARRAY_TOP		16U
++#define OV5647_PIXEL_ARRAY_WIDTH	2592U
++#define OV5647_PIXEL_ARRAY_HEIGHT	1944U
+ 
+ struct regval_list {
+ 	u16 addr;
+@@ -97,6 +86,9 @@ struct regval_list {
+ 
+ struct ov5647_mode {
+ 	struct v4l2_mbus_framefmt	format;
++	/* Analog crop rectangle. */
++	struct v4l2_rect crop;
++
+ 	struct regval_list		*reg_list;
+ 	unsigned int			num_regs;
+ };
+@@ -603,6 +595,12 @@ static struct ov5647_mode supported_mode
+ 			.width = 640,
+ 			.height = 480
+ 		},
++		.crop = {
++			.left = 0,
++			.top = 0,
++			.width = 1280,
++			.height = 960,
++		},
+ 		ov5647_640x480_8bit,
+ 		ARRAY_SIZE(ov5647_640x480_8bit)
+ 	},
+@@ -620,6 +618,12 @@ static struct ov5647_mode supported_mode
+ 			.width = 2592,
+ 			.height = 1944
+ 		},
++		.crop = {
++			.left = 0,
++			.top = 0,
++			.width = 2592,
++			.height = 1944
++		},
+ 		ov5647_2592x1944_10bit,
+ 		ARRAY_SIZE(ov5647_2592x1944_10bit)
+ 	},
+@@ -635,6 +639,12 @@ static struct ov5647_mode supported_mode
+ 			.width = 1920,
+ 			.height = 1080
+ 		},
++		.crop = {
++			.left = 348,
++			.top = 434,
++			.width = 1928,
++			.height = 1080,
++		},
+ 		ov5647_1080p30_10bit,
+ 		ARRAY_SIZE(ov5647_1080p30_10bit)
+ 	},
+@@ -649,6 +659,12 @@ static struct ov5647_mode supported_mode
+ 			.width = 1296,
+ 			.height = 972
+ 		},
++		.crop = {
++			.left = 0,
++			.top = 0,
++			.width = 2592,
++			.height = 1944,
++		},
+ 		ov5647_2x2binned_10bit,
+ 		ARRAY_SIZE(ov5647_2x2binned_10bit)
+ 	},
+@@ -664,6 +680,12 @@ static struct ov5647_mode supported_mode
+ 			.width = 640,
+ 			.height = 480
+ 		},
++		.crop = {
++			.left = 16,
++			.top = 0,
++			.width = 2560,
++			.height = 1920,
++		},
+ 		ov5647_640x480_10bit,
+ 		ARRAY_SIZE(ov5647_640x480_10bit)
+ 	},
+@@ -971,6 +993,56 @@ static const struct v4l2_subdev_core_ops
+ #endif
+ };
+ 
++static const struct v4l2_rect *
++__ov5647_get_pad_crop(struct ov5647 *ov5647, struct v4l2_subdev_pad_config *cfg,
++		      unsigned int pad, enum v4l2_subdev_format_whence which)
++{
++	switch (which) {
++	case V4L2_SUBDEV_FORMAT_TRY:
++		return v4l2_subdev_get_try_crop(&ov5647->sd, cfg, pad);
++	case V4L2_SUBDEV_FORMAT_ACTIVE:
++		return &ov5647->mode->crop;
++	}
++
++	return NULL;
++}
++
++static int ov5647_get_selection(struct v4l2_subdev *sd,
++				struct v4l2_subdev_pad_config *cfg,
++				struct v4l2_subdev_selection *sel)
++{
++	switch (sel->target) {
++	case V4L2_SEL_TGT_CROP: {
++		struct ov5647 *state = to_state(sd);
++
++		mutex_lock(&state->lock);
++		sel->r = *__ov5647_get_pad_crop(state, cfg, sel->pad,
++						sel->which);
++		mutex_unlock(&state->lock);
++
++		return 0;
++	}
++
++	case V4L2_SEL_TGT_NATIVE_SIZE:
++		sel->r.top = 0;
++		sel->r.left = 0;
++		sel->r.width = OV5647_NATIVE_WIDTH;
++		sel->r.height = OV5647_NATIVE_HEIGHT;
++
++		return 0;
++
++	case V4L2_SEL_TGT_CROP_DEFAULT:
++		sel->r.top = OV5647_PIXEL_ARRAY_TOP;
++		sel->r.left = OV5647_PIXEL_ARRAY_LEFT;
++		sel->r.width = OV5647_PIXEL_ARRAY_WIDTH;
++		sel->r.height = OV5647_PIXEL_ARRAY_HEIGHT;
++
++		return 0;
++	}
++
++	return -EINVAL;
++}
++
+ static int ov5647_s_stream(struct v4l2_subdev *sd, int enable)
+ {
+ 	struct ov5647 *state = to_state(sd);
+@@ -1122,6 +1194,7 @@ static const struct v4l2_subdev_pad_ops
+ 	.enum_mbus_code = ov5647_enum_mbus_code,
+ 	.set_fmt =	  ov5647_set_fmt,
+ 	.get_fmt =	  ov5647_get_fmt,
++	.get_selection =  ov5647_get_selection,
+ 	.enum_frame_size = ov5647_enum_frame_size,
+ };
+ 
+@@ -1170,10 +1243,10 @@ static int ov5647_open(struct v4l2_subde
+ 				v4l2_subdev_get_try_crop(sd, fh->pad, 0);
+ 	struct ov5647 *state = to_state(sd);
+ 
+-	crop->left = OV5647_COLUMN_START_DEF;
+-	crop->top = OV5647_ROW_START_DEF;
+-	crop->width = OV5647_WINDOW_WIDTH_DEF;
+-	crop->height = OV5647_WINDOW_HEIGHT_DEF;
++	crop->left = OV5647_PIXEL_ARRAY_LEFT;
++	crop->top = OV5647_PIXEL_ARRAY_TOP;
++	crop->width = OV5647_PIXEL_ARRAY_WIDTH;
++	crop->height = OV5647_PIXEL_ARRAY_HEIGHT;
+ 
+ 	/* Set the default format to the same as the sensor. */
+ 	*format = state->mode->format;