struct vsp1_rwpf *vsp1_wpf_create(struct vsp1_device *vsp1, unsigned int index)
{
	struct v4l2_subdev *subdev;
	struct vsp1_video *video;
	struct vsp1_rwpf *wpf;
	unsigned int flags;
	int ret;

	wpf = devm_kzalloc(vsp1->dev, sizeof(*wpf), GFP_KERNEL);
	if (wpf == NULL)
		return ERR_PTR(-ENOMEM);

	wpf->max_width = WPF_MAX_WIDTH;
	wpf->max_height = WPF_MAX_HEIGHT;

	wpf->entity.type = VSP1_ENTITY_WPF;
	wpf->entity.index = index;

	ret = vsp1_entity_init(vsp1, &wpf->entity, 2);
	if (ret < 0)
		return ERR_PTR(ret);

	/* Initialize the V4L2 subdev. */
	subdev = &wpf->entity.subdev;
	v4l2_subdev_init(subdev, &wpf_ops);

	subdev->entity.ops = &vsp1_media_ops;
	subdev->internal_ops = &vsp1_subdev_internal_ops;
	snprintf(subdev->name, sizeof(subdev->name), "%s wpf.%u",
		 dev_name(vsp1->dev), index);
	v4l2_set_subdevdata(subdev, wpf);
	subdev->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;

	vsp1_entity_init_formats(subdev, NULL);

	/* Initialize the control handler. */
	v4l2_ctrl_handler_init(&wpf->ctrls, 1);
	v4l2_ctrl_new_std(&wpf->ctrls, &wpf_ctrl_ops, V4L2_CID_ALPHA_COMPONENT,
			  0, 255, 1, 255);

	wpf->entity.subdev.ctrl_handler = &wpf->ctrls;

	if (wpf->ctrls.error) {
		dev_err(vsp1->dev, "wpf%u: failed to initialize controls\n",
			index);
		ret = wpf->ctrls.error;
		goto error;
	}

	/* Initialize the video device. */
	video = &wpf->video;

	video->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
	video->vsp1 = vsp1;
	video->ops = &wpf_vdev_ops;

	ret = vsp1_video_init(video, &wpf->entity);
	if (ret < 0)
		goto error;

	wpf->entity.video = video;

	/* Connect the video device to the WPF. All connections are immutable
	 * except for the WPF0 source link if a LIF is present.
	 */
	flags = MEDIA_LNK_FL_ENABLED;
	if (!(vsp1->pdata.features & VSP1_HAS_LIF) || index != 0)
		flags |= MEDIA_LNK_FL_IMMUTABLE;

	ret = media_entity_create_link(&wpf->entity.subdev.entity,
				       RWPF_PAD_SOURCE,
				       &wpf->video.video.entity, 0, flags);
	if (ret < 0)
		goto error;

	wpf->entity.sink = &wpf->video.video.entity;

	return wpf;

error:
	vsp1_entity_destroy(&wpf->entity);
	return ERR_PTR(ret);
}
Exemple #2
0
struct vsp1_rwpf *vsp1_rpf_create(struct vsp1_device *vsp1, unsigned int index)
{
	struct v4l2_subdev *subdev;
	struct vsp1_video *video;
	struct vsp1_rwpf *rpf;
	int ret;

	rpf = devm_kzalloc(vsp1->dev, sizeof(*rpf), GFP_KERNEL);
	if (rpf == NULL)
		return ERR_PTR(-ENOMEM);

	rpf->max_width = RPF_MAX_WIDTH;
	rpf->max_height = RPF_MAX_HEIGHT;

	rpf->entity.type = VSP1_ENTITY_RPF;
	rpf->entity.index = index;

	ret = vsp1_entity_init(vsp1, &rpf->entity, 2);
	if (ret < 0)
		return ERR_PTR(ret);

	/* Initialize the V4L2 subdev. */
	subdev = &rpf->entity.subdev;
	v4l2_subdev_init(subdev, &rpf_ops);

	subdev->entity.ops = &vsp1_media_ops;
	subdev->internal_ops = &vsp1_subdev_internal_ops;
	snprintf(subdev->name, sizeof(subdev->name), "%s rpf.%u",
		 dev_name(vsp1->dev), index);
	v4l2_set_subdevdata(subdev, rpf);
	subdev->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;

	vsp1_entity_init_formats(subdev, NULL);

	/* Initialize the video device. */
	video = &rpf->video;

	video->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
	video->vsp1 = vsp1;
	video->ops = &rpf_vdev_ops;

	ret = vsp1_video_init(video, &rpf->entity);
	if (ret < 0)
		goto error_video;

	/* Connect the video device to the RPF. */
	ret = media_entity_create_link(&rpf->video.video.entity, 0,
				       &rpf->entity.subdev.entity,
				       RWPF_PAD_SINK,
				       MEDIA_LNK_FL_ENABLED |
				       MEDIA_LNK_FL_IMMUTABLE);
	if (ret < 0)
		goto error_link;

	return rpf;

error_link:
	vsp1_video_cleanup(video);
error_video:
	media_entity_cleanup(&rpf->entity.subdev.entity);
	return ERR_PTR(ret);
}
Exemple #3
0
struct vsp1_rwpf *vsp1_wpf_create(struct vsp1_device *vsp1, unsigned int index)
{
	struct v4l2_subdev *subdev;
	struct vsp1_video *video;
	struct vsp1_rwpf *wpf;
	unsigned int flags;
	int ret;

	wpf = devm_kzalloc(vsp1->dev, sizeof(*wpf), GFP_KERNEL);
	if (wpf == NULL)
		return ERR_PTR(-ENOMEM);

	wpf->max_width = WPF_MAX_WIDTH;
	wpf->max_height = WPF_MAX_HEIGHT;

	wpf->entity.type = VSP1_ENTITY_WPF;
	wpf->entity.index = index;
	wpf->entity.id = VI6_DPR_NODE_WPF(index);

	ret = vsp1_entity_init(vsp1, &wpf->entity, 2);
	if (ret < 0)
		return ERR_PTR(ret);

	/* Initialize the V4L2 subdev. */
	subdev = &wpf->entity.subdev;
	v4l2_subdev_init(subdev, &wpf_ops);

	subdev->entity.ops = &vsp1_media_ops;
	subdev->internal_ops = &vsp1_subdev_internal_ops;
	snprintf(subdev->name, sizeof(subdev->name), "%s wpf.%u",
		 dev_name(vsp1->dev), index);
	v4l2_set_subdevdata(subdev, wpf);
	subdev->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;

	vsp1_entity_init_formats(subdev, NULL);

	/* Initialize the video device. */
	video = &wpf->video;

	video->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
	video->vsp1 = vsp1;
	video->ops = &wpf_vdev_ops;

	ret = vsp1_video_init(video, &wpf->entity);
	if (ret < 0)
		goto error_video;

	/* Connect the video device to the WPF. All connections are immutable
	 * except for the WPF0 source link if a LIF is present.
	 */
	flags = MEDIA_LNK_FL_ENABLED;
	if (!(vsp1->pdata->features & VSP1_HAS_LIF) || index != 0)
		flags |= MEDIA_LNK_FL_IMMUTABLE;

	ret = media_entity_create_link(&wpf->entity.subdev.entity,
				       RWPF_PAD_SOURCE,
				       &wpf->video.video.entity, 0, flags);
	if (ret < 0)
		goto error_link;

	wpf->entity.sink = &wpf->video.video.entity;

	return wpf;

error_link:
	vsp1_video_cleanup(video);
error_video:
	media_entity_cleanup(&wpf->entity.subdev.entity);
	return ERR_PTR(ret);
}