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Commit 80aa2659 authored by Ulrich Hecht's avatar Ulrich Hecht Committed by Mauro Carvalho Chehab
Browse files

[media] media: rcar-vin: add DV timings support 



Adds ioctls DV_TIMINGS_CAP, ENUM_DV_TIMINGS, G_DV_TIMINGS, S_DV_TIMINGS,
and QUERY_DV_TIMINGS.

Signed-off-by: default avatarUlrich Hecht <ulrich.hecht+renesas@gmail.com>
Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
parent 181905e0

drivers/media/platform/rcar-vin/rcar-v4l2.c

+82 −0
Original line number Diff line number Diff line
@@ -400,6 +400,10 @@ static int rvin_enum_input(struct file *file, void *priv, 


	i->type = V4L2_INPUT_TYPE_CAMERA;

	i->std = vin->vdev.tvnorms;



	if (v4l2_subdev_has_op(sd, pad, dv_timings_cap))

		i->capabilities = V4L2_IN_CAP_DV_TIMINGS;



	strlcpy(i->name, "Camera", sizeof(i->name));



	return 0;
@@ -478,6 +482,78 @@ static int rvin_subscribe_event(struct v4l2_fh *fh, 
	return v4l2_ctrl_subscribe_event(fh, sub);

}



static int rvin_enum_dv_timings(struct file *file, void *priv_fh,

				    struct v4l2_enum_dv_timings *timings)

{

	struct rvin_dev *vin = video_drvdata(file);

	struct v4l2_subdev *sd = vin_to_source(vin);

	int pad, ret;



	pad = timings->pad;

	timings->pad = vin->src_pad_idx;



	ret = v4l2_subdev_call(sd, pad, enum_dv_timings, timings);



	timings->pad = pad;



	return ret;

}



static int rvin_s_dv_timings(struct file *file, void *priv_fh,

				    struct v4l2_dv_timings *timings)

{

	struct rvin_dev *vin = video_drvdata(file);

	struct v4l2_subdev *sd = vin_to_source(vin);

	int err;



	err = v4l2_subdev_call(sd,

			video, s_dv_timings, timings);

	if (!err) {

		vin->source.width = timings->bt.width;

		vin->source.height = timings->bt.height;

		vin->format.width = timings->bt.width;

		vin->format.height = timings->bt.height;

	}

	return err;

}



static int rvin_g_dv_timings(struct file *file, void *priv_fh,

				    struct v4l2_dv_timings *timings)

{

	struct rvin_dev *vin = video_drvdata(file);

	struct v4l2_subdev *sd = vin_to_source(vin);



	return v4l2_subdev_call(sd,

			video, g_dv_timings, timings);

}



static int rvin_query_dv_timings(struct file *file, void *priv_fh,

				    struct v4l2_dv_timings *timings)

{

	struct rvin_dev *vin = video_drvdata(file);

	struct v4l2_subdev *sd = vin_to_source(vin);



	return v4l2_subdev_call(sd,

			video, query_dv_timings, timings);

}



static int rvin_dv_timings_cap(struct file *file, void *priv_fh,

				    struct v4l2_dv_timings_cap *cap)

{

	struct rvin_dev *vin = video_drvdata(file);

	struct v4l2_subdev *sd = vin_to_source(vin);

	int pad, ret;



	pad = cap->pad;

	cap->pad = vin->src_pad_idx;



	ret = v4l2_subdev_call(sd, pad, dv_timings_cap, cap);



	cap->pad = pad;



	return ret;

}



static const struct v4l2_ioctl_ops rvin_ioctl_ops = {

	.vidioc_querycap		= rvin_querycap,

	.vidioc_try_fmt_vid_cap		= rvin_try_fmt_vid_cap,
@@ -494,6 +570,12 @@ static const struct v4l2_ioctl_ops rvin_ioctl_ops = { 
	.vidioc_g_input			= rvin_g_input,

	.vidioc_s_input			= rvin_s_input,



	.vidioc_dv_timings_cap		= rvin_dv_timings_cap,

	.vidioc_enum_dv_timings		= rvin_enum_dv_timings,

	.vidioc_g_dv_timings		= rvin_g_dv_timings,

	.vidioc_s_dv_timings		= rvin_s_dv_timings,

	.vidioc_query_dv_timings	= rvin_query_dv_timings,



	.vidioc_querystd		= rvin_querystd,

	.vidioc_g_std			= rvin_g_std,

	.vidioc_s_std			= rvin_s_std,