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

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

Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Ulrich Hecht 2016-05-11 11:02:53 -03:00 committed by Mauro Carvalho Chehab
parent 181905e08d
commit 80aa26593e
1 changed files with 82 additions and 0 deletions
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82
drivers/media/platform/rcar-vin/rcar-v4l2.c
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@ -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,