Hi Hans,
A few comments below.
On Thu, Dec 04, 2014 at 10:54:59AM +0100, Hans Verkuil wrote:
> From: Hans Verkuil <hans.verk...@cisco.com>
>
> Signed-off-by: Hans Verkuil <hans.verk...@cisco.com>
> ---
> drivers/media/i2c/ak881x.c | 32 +++--
> drivers/media/i2c/soc_camera/imx074.c | 46 ++++----
> drivers/media/i2c/soc_camera/mt9m001.c | 74 +++++++-----
> drivers/media/i2c/soc_camera/mt9m111.c | 61 +++++-----
> drivers/media/i2c/soc_camera/mt9t031.c | 56 +++++----
> drivers/media/i2c/soc_camera/mt9t112.c | 64 +++++-----
> drivers/media/i2c/soc_camera/mt9v022.c | 72 +++++++-----
> drivers/media/i2c/soc_camera/ov2640.c | 45 ++++---
> drivers/media/i2c/soc_camera/ov5642.c | 57 +++++----
> drivers/media/i2c/soc_camera/ov6650.c | 78 +++++++------
> drivers/media/i2c/soc_camera/ov772x.c | 48 ++++----
> drivers/media/i2c/soc_camera/ov9640.c | 45 ++++---
> drivers/media/i2c/soc_camera/ov9740.c | 49 ++++----
> drivers/media/i2c/soc_camera/rj54n1cb0c.c | 56 +++++----
> drivers/media/i2c/soc_camera/tw9910.c | 51 +++-----
> drivers/media/i2c/tvp5150.c | 85 +++++++-------
> drivers/media/platform/omap3isp/ispvideo.c | 88 +++++++++-----
> drivers/media/platform/sh_vou.c | 13 ++-
> drivers/media/platform/soc_camera/mx2_camera.c | 18 ++-
> drivers/media/platform/soc_camera/mx3_camera.c | 18 ++-
> drivers/media/platform/soc_camera/omap1_camera.c | 23 ++--
> drivers/media/platform/soc_camera/pxa_camera.c | 17 ++-
> drivers/media/platform/soc_camera/rcar_vin.c | 26 ++---
> .../platform/soc_camera/sh_mobile_ceu_camera.c | 32 +++--
> drivers/media/platform/soc_camera/soc_camera.c | 130
> ++++++---------------
> .../platform/soc_camera/soc_camera_platform.c | 49 ++++----
> drivers/media/platform/soc_camera/soc_scale_crop.c | 85 ++++++++------
> drivers/media/platform/soc_camera/soc_scale_crop.h | 6 +-
> drivers/staging/media/omap4iss/iss_video.c | 88 +++++++++-----
> include/media/soc_camera.h | 7 +-
> include/media/v4l2-subdev.h | 3 -
> 31 files changed, 805 insertions(+), 717 deletions(-)
>
> diff --git a/drivers/media/i2c/ak881x.c b/drivers/media/i2c/ak881x.c
> index 69aeaf3..29d3b2a 100644
> --- a/drivers/media/i2c/ak881x.c
> +++ b/drivers/media/i2c/ak881x.c
> @@ -128,21 +128,27 @@ static int ak881x_enum_mbus_fmt(struct v4l2_subdev *sd,
> unsigned int index,
> return 0;
> }
>
> -static int ak881x_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a)
> +static int ak881x_get_selection(struct v4l2_subdev *sd,
> + struct v4l2_subdev_pad_config *cfg,
> + struct v4l2_subdev_selection *sel)
> {
> struct i2c_client *client = v4l2_get_subdevdata(sd);
> struct ak881x *ak881x = to_ak881x(client);
>
> - a->bounds.left = 0;
> - a->bounds.top = 0;
> - a->bounds.width = 720;
> - a->bounds.height = ak881x->lines;
> - a->defrect = a->bounds;
> - a->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
> - a->pixelaspect.numerator = 1;
> - a->pixelaspect.denominator = 1;
> + if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE)
> + return -EINVAL;
>
> - return 0;
> + switch (sel->target) {
> + case V4L2_SEL_TGT_CROP_BOUNDS:
> + case V4L2_SEL_TGT_CROP_DEFAULT:
The default targets are currently documented not to be applicable to the
V4L2 sub-device interface. I have to say I don't remember why that was the
conclusion, but could have as well been that there was no need for them at
the time.
Still the documentation
(Documentation/DocBook/media/v4l/selections-common.xml) should be changed to
reflect this.
> + sel->r.left = 0;
> + sel->r.top = 0;
> + sel->r.width = 720;
> + sel->r.height = ak881x->lines;
> + return 0;
> + default:
> + return -EINVAL;
> + }
> }
>
...
> diff --git a/drivers/staging/media/omap4iss/iss_video.c
> b/drivers/staging/media/omap4iss/iss_video.c
> index cdee596..65dd272 100644
> --- a/drivers/staging/media/omap4iss/iss_video.c
> +++ b/drivers/staging/media/omap4iss/iss_video.c
> @@ -643,40 +643,45 @@ iss_video_try_format(struct file *file, void *fh,
> struct v4l2_format *format)
> }
>
> static int
> -iss_video_cropcap(struct file *file, void *fh, struct v4l2_cropcap *cropcap)
> -{
> - struct iss_video *video = video_drvdata(file);
> - struct v4l2_subdev *subdev;
> - int ret;
> -
> - subdev = iss_video_remote_subdev(video, NULL);
> - if (subdev == NULL)
> - return -EINVAL;
> -
> - mutex_lock(&video->mutex);
> - ret = v4l2_subdev_call(subdev, video, cropcap, cropcap);
> - mutex_unlock(&video->mutex);
> -
> - return ret == -ENOIOCTLCMD ? -ENOTTY : ret;
> -}
> -
> -static int
> -iss_video_get_crop(struct file *file, void *fh, struct v4l2_crop *crop)
> +iss_video_get_selection(struct file *file, void *fh, struct v4l2_selection
> *sel)
> {
> struct iss_video *video = video_drvdata(file);
> struct v4l2_subdev_format format;
> struct v4l2_subdev *subdev;
> + struct v4l2_subdev_selection sdsel = {
> + .which = V4L2_SUBDEV_FORMAT_ACTIVE,
> + .target = sel->target,
> + };
> u32 pad;
> int ret;
>
> + switch (sel->target) {
> + case V4L2_SEL_TGT_CROP:
> + case V4L2_SEL_TGT_CROP_BOUNDS:
> + case V4L2_SEL_TGT_CROP_DEFAULT:
> + if (video->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
> + return -EINVAL;
> + break;
> + case V4L2_SEL_TGT_COMPOSE:
> + case V4L2_SEL_TGT_COMPOSE_BOUNDS:
> + case V4L2_SEL_TGT_COMPOSE_DEFAULT:
> + if (video->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
> + return -EINVAL;
> + break;
> + default:
> + return -EINVAL;
> + }
> subdev = iss_video_remote_subdev(video, &pad);
> if (subdev == NULL)
> return -EINVAL;
>
> - /* Try the get crop operation first and fallback to get format if not
> + /* Try the get selection operation first and fallback to get format if
> not
> * implemented.
> */
> - ret = v4l2_subdev_call(subdev, video, g_crop, crop);
> + sdsel.pad = pad;
> + ret = v4l2_subdev_call(subdev, pad, get_selection, NULL, &sdsel);
> + if (!ret)
> + sel->r = sdsel.r;
> if (ret != -ENOIOCTLCMD)
> return ret;
>
> @@ -686,28 +691,50 @@ iss_video_get_crop(struct file *file, void *fh, struct
> v4l2_crop *crop)
> if (ret < 0)
> return ret == -ENOIOCTLCMD ? -ENOTTY : ret;
>
> - crop->c.left = 0;
> - crop->c.top = 0;
> - crop->c.width = format.format.width;
> - crop->c.height = format.format.height;
> + sel->r.left = 0;
> + sel->r.top = 0;
> + sel->r.width = format.format.width;
> + sel->r.height = format.format.height;
>
> return 0;
> }
>
> static int
> -iss_video_set_crop(struct file *file, void *fh, const struct v4l2_crop *crop)
> +iss_video_set_selection(struct file *file, void *fh, struct v4l2_selection
> *sel)
> {
> struct iss_video *video = video_drvdata(file);
> struct v4l2_subdev *subdev;
> + struct v4l2_subdev_selection sdsel = {
> + .which = V4L2_SUBDEV_FORMAT_ACTIVE,
> + .target = sel->target,
> + .flags = sel->flags,
> + .r = sel->r,
> + };
> + u32 pad;
> int ret;
>
> - subdev = iss_video_remote_subdev(video, NULL);
> + switch (sel->target) {
> + case V4L2_SEL_TGT_CROP:
> + if (video->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
> + return -EINVAL;
> + break;
> + case V4L2_SEL_TGT_COMPOSE:
> + if (video->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
> + return -EINVAL;
> + break;
> + default:
> + return -EINVAL;
> + }
> + subdev = iss_video_remote_subdev(video, &pad);
> if (subdev == NULL)
> return -EINVAL;
>
> + sdsel.pad = pad;
> mutex_lock(&video->mutex);
> - ret = v4l2_subdev_call(subdev, video, s_crop, crop);
> + ret = v4l2_subdev_call(subdev, pad, set_selection, NULL, &sdsel);
None of the omap4iss sub-devices support crop nor selection. I think this is
a leftover from a time when cropping was supported on some of the video node
of the omap3isp driver.
The compose target has never been supported on video nodes by either
drivers, so I suggest to remove the references to that from this patch.
I can submit a patch to remove support for crop on video nodes for both.
> mutex_unlock(&video->mutex);
> + if (!ret)
> + sel->r = sdsel.r;
>
> return ret == -ENOIOCTLCMD ? -ENOTTY : ret;
> }
> @@ -1013,9 +1040,8 @@ static const struct v4l2_ioctl_ops iss_video_ioctl_ops
> = {
> .vidioc_g_fmt_vid_out = iss_video_get_format,
> .vidioc_s_fmt_vid_out = iss_video_set_format,
> .vidioc_try_fmt_vid_out = iss_video_try_format,
> - .vidioc_cropcap = iss_video_cropcap,
> - .vidioc_g_crop = iss_video_get_crop,
> - .vidioc_s_crop = iss_video_set_crop,
> + .vidioc_g_selection = iss_video_get_selection,
> + .vidioc_s_selection = iss_video_set_selection,
> .vidioc_g_parm = iss_video_get_param,
> .vidioc_s_parm = iss_video_set_param,
> .vidioc_reqbufs = iss_video_reqbufs,
--
Kind regards,
Sakari Ailus
e-mail: sakari.ai...@iki.fi XMPP: sai...@retiisi.org.uk
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