bcm27xx: add kernel 5.10 support

Rebased RPi foundation patches on linux 5.10.59, removed applied and reverted
patches, wireless patches and defconfig patches.

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

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

1 files changed, 82 insertions, 0 deletions

diff --git a/target/linux/bcm27xx/patches-5.10/950-0502-staging-bcm2835-codec-Add-support-for-pixel-aspect-r.patch b/target/linux/bcm27xx/patches-5.10/950-0502-staging-bcm2835-codec-Add-support-for-pixel-aspect-r.patch
new file mode 100644
index 0000000000..ed5e3f7fa1
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.10/950-0502-staging-bcm2835-codec-Add-support-for-pixel-aspect-r.patch
@@ -0,0 +1,82 @@
+From 5a1f76940af2691627837bb4f181a672abfaffa2 Mon Sep 17 00:00:00 2001
+From: Dave Stevenson <dave.stevenson@raspberrypi.com>
+Date: Tue, 2 Feb 2021 15:50:18 +0000
+Subject: [PATCH] staging/bcm2835-codec: Add support for pixel aspect
+ ratio
+
+If the format is detected by the driver and a V4L2_EVENT_SOURCE_CHANGE
+event is generated, then pass on the pixel aspect ratio as well.
+
+Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
+---
+ .../bcm2835-codec/bcm2835-v4l2-codec.c        | 31 +++++++++++++++++++
+ 1 file changed, 31 insertions(+)
+
+--- a/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c
++++ b/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c
+@@ -602,6 +602,7 @@ struct bcm2835_codec_q_data {
+ 	unsigned int		crop_width;
+ 	unsigned int		crop_height;
+ 	bool			selection_set;
++	struct v4l2_fract	aspect_ratio;
+ 
+ 	unsigned int		sizeimage;
+ 	unsigned int		sequence;
+@@ -981,6 +982,9 @@ static void handle_fmt_changed(struct bc
+ 	if (format->es.video.color_space)
+ 		color_mmal2v4l(ctx, format->es.video.color_space);
+ 
++	q_data->aspect_ratio.numerator = format->es.video.par.num;
++	q_data->aspect_ratio.denominator = format->es.video.par.den;
++
+ 	queue_res_chg_event(ctx);
+ }
+ 
+@@ -1657,6 +1661,29 @@ static int vidioc_g_parm(struct file *fi
+ 	return 0;
+ }
+ 
++static int vidioc_g_pixelaspect(struct file *file, void *fh, int type,
++				struct v4l2_fract *f)
++{
++	struct bcm2835_codec_ctx *ctx = file2ctx(file);
++
++	/*
++	 * The selection API takes V4L2_BUF_TYPE_VIDEO_CAPTURE and
++	 * V4L2_BUF_TYPE_VIDEO_OUTPUT, even if the device implements the MPLANE
++	 * API. The V4L2 core will have converted the MPLANE variants to
++	 * non-MPLANE.
++	 * Open code this instead of using get_q_data in this case.
++	 */
++	if (ctx->dev->role != DECODE)
++		return -ENOIOCTLCMD;
++
++	if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
++		return -EINVAL;
++
++	*f = ctx->q_data[V4L2_M2M_DST].aspect_ratio;
++
++	return 0;
++}
++
+ static int vidioc_subscribe_evt(struct v4l2_fh *fh,
+ 				const struct v4l2_event_subscription *sub)
+ {
+@@ -2082,6 +2109,8 @@ static const struct v4l2_ioctl_ops bcm28
+ 	.vidioc_g_parm		= vidioc_g_parm,
+ 	.vidioc_s_parm		= vidioc_s_parm,
+ 
++	.vidioc_g_pixelaspect	= vidioc_g_pixelaspect,
++
+ 	.vidioc_subscribe_event = vidioc_subscribe_evt,
+ 	.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
+ 
+@@ -2640,6 +2669,8 @@ static int bcm2835_codec_open(struct fil
+ 			      ctx->q_data[V4L2_M2M_DST].crop_width,
+ 			      ctx->q_data[V4L2_M2M_DST].height,
+ 			      ctx->q_data[V4L2_M2M_DST].fmt);
++	ctx->q_data[V4L2_M2M_DST].aspect_ratio.numerator = 1;
++	ctx->q_data[V4L2_M2M_DST].aspect_ratio.denominator = 1;
+ 
+ 	ctx->colorspace = V4L2_COLORSPACE_REC709;
+ 	ctx->bitrate = 10 * 1000 * 1000;