36 vsp1_histogram_buffer_get(struct vsp1_histogram *histo)  in vsp1_histogram_buffer_get()  argument
40 	spin_lock(&histo->irqlock);  in vsp1_histogram_buffer_get()
42 	if (list_empty(&histo->irqqueue))  in vsp1_histogram_buffer_get()
45 	buf = list_first_entry(&histo->irqqueue, struct vsp1_histogram_buffer,  in vsp1_histogram_buffer_get()
48 	histo->readout = true;  in vsp1_histogram_buffer_get()
51 	spin_unlock(&histo->irqlock);  in vsp1_histogram_buffer_get()
55 void vsp1_histogram_buffer_complete(struct vsp1_histogram *histo,  in vsp1_histogram_buffer_complete()  argument
59 	struct vsp1_pipeline *pipe = histo->entity.pipe;  in vsp1_histogram_buffer_complete()
71 	spin_lock(&histo->irqlock);  in vsp1_histogram_buffer_complete()
72 	histo->readout = false;  in vsp1_histogram_buffer_complete()
73 	wake_up(&histo->wait_queue);  in vsp1_histogram_buffer_complete()
74 	spin_unlock(&histo->irqlock);  in vsp1_histogram_buffer_complete()
85 	struct vsp1_histogram *histo = vb2_get_drv_priv(vq);  in histo_queue_setup()  local
91 		if (sizes[0] < histo->data_size)  in histo_queue_setup()
98 	sizes[0] = histo->data_size;  in histo_queue_setup()
106 	struct vsp1_histogram *histo = vb2_get_drv_priv(vb->vb2_queue);  in histo_buffer_prepare()  local
112 	if (vb2_plane_size(vb, 0) < histo->data_size)  in histo_buffer_prepare()
123 	struct vsp1_histogram *histo = vb2_get_drv_priv(vb->vb2_queue);  in histo_buffer_queue()  local
126 	spin_lock_irq(&histo->irqlock);  in histo_buffer_queue()
127 	list_add_tail(&buf->queue, &histo->irqqueue);  in histo_buffer_queue()
128 	spin_unlock_irq(&histo->irqlock);  in histo_buffer_queue()
138 	struct vsp1_histogram *histo = vb2_get_drv_priv(vq);  in histo_stop_streaming()  local
141 	spin_lock_irq(&histo->irqlock);  in histo_stop_streaming()
144 	list_for_each_entry(buffer, &histo->irqqueue, queue)  in histo_stop_streaming()
146 	INIT_LIST_HEAD(&histo->irqqueue);  in histo_stop_streaming()
149 	wait_event_lock_irq(histo->wait_queue, !histo->readout, histo->irqlock);  in histo_stop_streaming()
151 	spin_unlock_irq(&histo->irqlock);  in histo_stop_streaming()
172 	struct vsp1_histogram *histo = subdev_to_histo(subdev);  in histo_enum_mbus_code()  local
180 					  histo->formats,  in histo_enum_mbus_code()
181 					  histo->num_formats);  in histo_enum_mbus_code()
201 	struct vsp1_histogram *histo = subdev_to_histo(subdev);  in histo_get_selection()  local
210 	mutex_lock(&histo->entity.lock);  in histo_get_selection()
212 	state = vsp1_entity_get_state(&histo->entity, sd_state, sel->which);  in histo_get_selection()
251 	mutex_unlock(&histo->entity.lock);  in histo_get_selection()
328 	struct vsp1_histogram *histo = subdev_to_histo(subdev);  in histo_set_selection()  local
335 	mutex_lock(&histo->entity.lock);  in histo_set_selection()
337 	state = vsp1_entity_get_state(&histo->entity, sd_state, sel->which);  in histo_set_selection()
351 	mutex_unlock(&histo->entity.lock);  in histo_set_selection()
359 	struct vsp1_histogram *histo = subdev_to_histo(subdev);  in histo_set_format()  local
372 					  histo->formats, histo->num_formats,  in histo_set_format()
398 	struct vsp1_histogram *histo = vdev_to_histo(vfh->vdev);  in histo_v4l2_querycap()  local
406 	strscpy(cap->card, histo->video.name, sizeof(cap->card));  in histo_v4l2_querycap()
415 	struct vsp1_histogram *histo = vdev_to_histo(vfh->vdev);  in histo_v4l2_enum_format()  local
417 	if (f->index > 0 || f->type != histo->queue.type)  in histo_v4l2_enum_format()
420 	f->pixelformat = histo->meta_format;  in histo_v4l2_enum_format()
429 	struct vsp1_histogram *histo = vdev_to_histo(vfh->vdev);  in histo_v4l2_get_format()  local
432 	if (format->type != histo->queue.type)  in histo_v4l2_get_format()
437 	meta->dataformat = histo->meta_format;  in histo_v4l2_get_format()
438 	meta->buffersize = histo->data_size;  in histo_v4l2_get_format()
472 static void vsp1_histogram_cleanup(struct vsp1_histogram *histo)  in vsp1_histogram_cleanup()  argument
474 	if (video_is_registered(&histo->video))  in vsp1_histogram_cleanup()
475 		video_unregister_device(&histo->video);  in vsp1_histogram_cleanup()
477 	media_entity_cleanup(&histo->video.entity);  in vsp1_histogram_cleanup()
482 	struct vsp1_histogram *histo = subdev_to_histo(&entity->subdev);  in vsp1_histogram_destroy()  local
484 	vsp1_histogram_cleanup(histo);  in vsp1_histogram_destroy()
487 int vsp1_histogram_init(struct vsp1_device *vsp1, struct vsp1_histogram *histo,  in vsp1_histogram_init()  argument
495 	histo->formats = formats;  in vsp1_histogram_init()
496 	histo->num_formats = num_formats;  in vsp1_histogram_init()
497 	histo->data_size = data_size;  in vsp1_histogram_init()
498 	histo->meta_format = meta_format;  in vsp1_histogram_init()
500 	histo->pad.flags = MEDIA_PAD_FL_SINK;  in vsp1_histogram_init()
501 	histo->video.vfl_dir = VFL_DIR_RX;  in vsp1_histogram_init()
503 	mutex_init(&histo->lock);  in vsp1_histogram_init()
504 	spin_lock_init(&histo->irqlock);  in vsp1_histogram_init()
505 	INIT_LIST_HEAD(&histo->irqqueue);  in vsp1_histogram_init()
506 	init_waitqueue_head(&histo->wait_queue);  in vsp1_histogram_init()
509 	histo->entity.ops = ops;  in vsp1_histogram_init()
510 	histo->entity.type = type;  in vsp1_histogram_init()
512 	ret = vsp1_entity_init(vsp1, &histo->entity, name, 2, &histo_ops,  in vsp1_histogram_init()
518 	ret = media_entity_pads_init(&histo->video.entity, 1, &histo->pad);  in vsp1_histogram_init()
523 	histo->video.v4l2_dev = &vsp1->v4l2_dev;  in vsp1_histogram_init()
524 	histo->video.fops = &histo_v4l2_fops;  in vsp1_histogram_init()
525 	snprintf(histo->video.name, sizeof(histo->video.name),  in vsp1_histogram_init()
526 		 "%s histo", histo->entity.subdev.name);  in vsp1_histogram_init()
527 	histo->video.vfl_type = VFL_TYPE_VIDEO;  in vsp1_histogram_init()
528 	histo->video.release = video_device_release_empty;  in vsp1_histogram_init()
529 	histo->video.ioctl_ops = &histo_v4l2_ioctl_ops;  in vsp1_histogram_init()
530 	histo->video.device_caps = V4L2_CAP_META_CAPTURE | V4L2_CAP_STREAMING;  in vsp1_histogram_init()
532 	video_set_drvdata(&histo->video, histo);  in vsp1_histogram_init()
535 	histo->queue.type = V4L2_BUF_TYPE_META_CAPTURE;  in vsp1_histogram_init()
536 	histo->queue.io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;  in vsp1_histogram_init()
537 	histo->queue.lock = &histo->lock;  in vsp1_histogram_init()
538 	histo->queue.drv_priv = histo;  in vsp1_histogram_init()
539 	histo->queue.buf_struct_size = sizeof(struct vsp1_histogram_buffer);  in vsp1_histogram_init()
540 	histo->queue.ops = &histo_video_queue_qops;  in vsp1_histogram_init()
541 	histo->queue.mem_ops = &vb2_vmalloc_memops;  in vsp1_histogram_init()
542 	histo->queue.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;  in vsp1_histogram_init()
543 	histo->queue.dev = vsp1->dev;  in vsp1_histogram_init()
544 	ret = vb2_queue_init(&histo->queue);  in vsp1_histogram_init()
551 	histo->video.queue = &histo->queue;  in vsp1_histogram_init()
552 	ret = video_register_device(&histo->video, VFL_TYPE_VIDEO, -1);  in vsp1_histogram_init()
561 	vsp1_histogram_cleanup(histo);  in vsp1_histogram_init()