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, 181 insertions, 0 deletions

diff --git a/target/linux/bcm27xx/patches-5.4/950-0676-media-i2c-imx219-Implement-get_selection.patch b/target/linux/bcm27xx/patches-5.4/950-0676-media-i2c-imx219-Implement-get_selection.patch
new file mode 100644
index 0000000000..cb7a0af605
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.4/950-0676-media-i2c-imx219-Implement-get_selection.patch
@@ -0,0 +1,181 @@
+From f479cf37ccda2be7204a964fe2747dfcb4b56bf6 Mon Sep 17 00:00:00 2001
+From: Jacopo Mondi <jacopo@jmondi.org>
+Date: Wed, 29 Apr 2020 11:50:38 +0200
+Subject: [PATCH] media: i2c: imx219: Implement get_selection
+
+Implement the get_selection pad operation for the IMX219 sensor driver.
+The supported targets report the sensor's native size, the crop default
+rectangle and the crop rectangle.
+
+Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
+Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
+---
+ drivers/media/i2c/imx219.c | 94 ++++++++++++++++++++++++++++++++++++++
+ 1 file changed, 94 insertions(+)
+
+--- a/drivers/media/i2c/imx219.c
++++ b/drivers/media/i2c/imx219.c
+@@ -122,6 +122,14 @@ enum pad_types {
+ 	NUM_PADS
+ };
+ 
++/* IMX219 native and active pixel array size. */
++#define IMX219_NATIVE_WIDTH		3296U
++#define IMX219_NATIVE_HEIGHT		2480U
++#define IMX219_PIXEL_ARRAY_LEFT		8U
++#define IMX219_PIXEL_ARRAY_TOP		8U
++#define IMX219_PIXEL_ARRAY_WIDTH	3280U
++#define IMX219_PIXEL_ARRAY_HEIGHT	2464U
++
+ struct imx219_reg {
+ 	u16 address;
+ 	u8 val;
+@@ -139,6 +147,9 @@ struct imx219_mode {
+ 	/* Frame height */
+ 	unsigned int height;
+ 
++	/* Analog crop rectangle. */
++	struct v4l2_rect crop;
++
+ 	/* V-timing */
+ 	unsigned int vts_def;
+ 
+@@ -473,6 +484,12 @@ static const struct imx219_mode supporte
+ 		/* 8MPix 15fps mode */
+ 		.width = 3280,
+ 		.height = 2464,
++		.crop = {
++			.left = 0,
++			.top = 0,
++			.width = 3280,
++			.height = 2464
++		},
+ 		.vts_def = IMX219_VTS_15FPS,
+ 		.reg_list = {
+ 			.num_of_regs = ARRAY_SIZE(mode_3280x2464_regs),
+@@ -483,6 +500,12 @@ static const struct imx219_mode supporte
+ 		/* 1080P 30fps cropped */
+ 		.width = 1920,
+ 		.height = 1080,
++		.crop = {
++			.left = 680,
++			.top = 692,
++			.width = 1920,
++			.height = 1080
++		},
+ 		.vts_def = IMX219_VTS_30FPS_1080P,
+ 		.reg_list = {
+ 			.num_of_regs = ARRAY_SIZE(mode_1920_1080_regs),
+@@ -493,6 +516,12 @@ static const struct imx219_mode supporte
+ 		/* 2x2 binned 30fps mode */
+ 		.width = 1640,
+ 		.height = 1232,
++		.crop = {
++			.left = 0,
++			.top = 0,
++			.width = 3280,
++			.height = 2464
++		},
+ 		.vts_def = IMX219_VTS_30FPS_BINNED,
+ 		.reg_list = {
+ 			.num_of_regs = ARRAY_SIZE(mode_1640_1232_regs),
+@@ -503,6 +532,12 @@ static const struct imx219_mode supporte
+ 		/* 640x480 30fps mode */
+ 		.width = 640,
+ 		.height = 480,
++		.crop = {
++			.left = 1000,
++			.top = 752,
++			.width = 1280,
++			.height = 960
++		},
+ 		.vts_def = IMX219_VTS_30FPS_640x480,
+ 		.reg_list = {
+ 			.num_of_regs = ARRAY_SIZE(mode_640_480_regs),
+@@ -666,6 +701,7 @@ static int imx219_open(struct v4l2_subde
+ 		v4l2_subdev_get_try_format(sd, fh->pad, IMAGE_PAD);
+ 	struct v4l2_mbus_framefmt *try_fmt_meta =
+ 		v4l2_subdev_get_try_format(sd, fh->pad, METADATA_PAD);
++	struct v4l2_rect *try_crop;
+ 
+ 	mutex_lock(&imx219->mutex);
+ 
+@@ -682,6 +718,13 @@ static int imx219_open(struct v4l2_subde
+ 	try_fmt_meta->code = MEDIA_BUS_FMT_SENSOR_DATA;
+ 	try_fmt_meta->field = V4L2_FIELD_NONE;
+ 
++	/* Initialize try_crop rectangle. */
++	try_crop = v4l2_subdev_get_try_crop(sd, fh->pad, 0);
++	try_crop->top = IMX219_PIXEL_ARRAY_TOP;
++	try_crop->left = IMX219_PIXEL_ARRAY_LEFT;
++	try_crop->width = IMX219_PIXEL_ARRAY_WIDTH;
++	try_crop->height = IMX219_PIXEL_ARRAY_HEIGHT;
++
+ 	mutex_unlock(&imx219->mutex);
+ 
+ 	return 0;
+@@ -1011,6 +1054,56 @@ static int imx219_set_framefmt(struct im
+ 	return -EINVAL;
+ }
+ 
++static const struct v4l2_rect *
++__imx219_get_pad_crop(struct imx219 *imx219, 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(&imx219->sd, cfg, pad);
++	case V4L2_SUBDEV_FORMAT_ACTIVE:
++		return &imx219->mode->crop;
++	}
++
++	return NULL;
++}
++
++static int imx219_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 imx219 *imx219 = to_imx219(sd);
++
++		mutex_lock(&imx219->mutex);
++		sel->r = *__imx219_get_pad_crop(imx219, cfg, sel->pad,
++						sel->which);
++		mutex_unlock(&imx219->mutex);
++
++		return 0;
++	}
++
++	case V4L2_SEL_TGT_NATIVE_SIZE:
++		sel->r.top = 0;
++		sel->r.left = 0;
++		sel->r.width = IMX219_NATIVE_WIDTH;
++		sel->r.height = IMX219_NATIVE_HEIGHT;
++
++		return 0;
++
++	case V4L2_SEL_TGT_CROP_DEFAULT:
++		sel->r.top = IMX219_PIXEL_ARRAY_TOP;
++		sel->r.left = IMX219_PIXEL_ARRAY_LEFT;
++		sel->r.width = IMX219_PIXEL_ARRAY_WIDTH;
++		sel->r.height = IMX219_PIXEL_ARRAY_HEIGHT;
++
++		return 0;
++	}
++
++	return -EINVAL;
++}
++
+ static int imx219_start_streaming(struct imx219 *imx219)
+ {
+ 	struct i2c_client *client = v4l2_get_subdevdata(&imx219->sd);
+@@ -1235,6 +1328,7 @@ static const struct v4l2_subdev_pad_ops
+ 	.enum_mbus_code = imx219_enum_mbus_code,
+ 	.get_fmt = imx219_get_pad_format,
+ 	.set_fmt = imx219_set_pad_format,
++	.get_selection = imx219_get_selection,
+ 	.enum_frame_size = imx219_enum_frame_size,
+ };
+