[media] s5p-fimc: Add media operations in the capture entity driver
Add the link_setup handler for the camera capture video node. Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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@ -669,6 +669,37 @@ static const struct v4l2_ioctl_ops fimc_capture_ioctl_ops = {
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.vidioc_g_input = fimc_cap_g_input,
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};
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/* Media operations */
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static int fimc_link_setup(struct media_entity *entity,
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const struct media_pad *local,
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const struct media_pad *remote, u32 flags)
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{
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struct video_device *vd = media_entity_to_video_device(entity);
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struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(remote->entity);
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struct fimc_dev *fimc = video_get_drvdata(vd);
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if (WARN_ON(fimc == NULL))
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return 0;
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dbg("%s --> %s, flags: 0x%x. input: 0x%x",
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local->entity->name, remote->entity->name, flags,
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fimc->vid_cap.input);
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if (flags & MEDIA_LNK_FL_ENABLED) {
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if (fimc->vid_cap.input != 0)
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return -EBUSY;
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fimc->vid_cap.input = sd->grp_id;
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return 0;
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}
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fimc->vid_cap.input = 0;
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return 0;
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}
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static const struct media_entity_operations fimc_media_ops = {
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.link_setup = fimc_link_setup,
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};
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/* fimc->lock must be already initialized */
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int fimc_register_capture_device(struct fimc_dev *fimc,
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struct v4l2_device *v4l2_dev)
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@ -743,6 +774,7 @@ int fimc_register_capture_device(struct fimc_dev *fimc,
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if (ret)
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goto err_ent;
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vfd->entity.ops = &fimc_media_ops;
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vfd->ctrl_handler = &ctx->ctrl_handler;
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return 0;
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@ -305,6 +305,7 @@ struct fimc_m2m_device {
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* @reqbufs_count: the number of buffers requested in REQBUFS ioctl
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* @input_index: input (camera sensor) index
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* @refcnt: driver's private reference counter
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* @input: capture input type, grp_id of the attached subdev
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* @user_subdev_api: true if subdevs are not configured by the host driver
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*/
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struct fimc_vid_cap {
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@ -323,6 +324,7 @@ struct fimc_vid_cap {
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unsigned int reqbufs_count;
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int input_index;
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int refcnt;
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u32 input;
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bool user_subdev_api;
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};
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