76 sun6i_video_remote_subdev(struct sun6i_video *video, u32 *pad)  in sun6i_video_remote_subdev()  argument
80 	remote = media_entity_remote_pad(&video->pad);  in sun6i_video_remote_subdev()
97 	struct sun6i_video *video = vb2_get_drv_priv(vq);  in sun6i_video_queue_setup()  local
98 	unsigned int size = video->fmt.fmt.pix.sizeimage;  in sun6i_video_queue_setup()
114 	struct sun6i_video *video = vb2_get_drv_priv(vb->vb2_queue);  in sun6i_video_buffer_prepare()  local
115 	unsigned long size = video->fmt.fmt.pix.sizeimage;  in sun6i_video_buffer_prepare()
118 		v4l2_err(video->vdev.v4l2_dev, "buffer too small (%lu < %lu)\n",  in sun6i_video_buffer_prepare()
127 	vbuf->field = video->fmt.fmt.pix.field;  in sun6i_video_buffer_prepare()
134 	struct sun6i_video *video = vb2_get_drv_priv(vq);  in sun6i_video_start_streaming()  local
142 	video->sequence = 0;  in sun6i_video_start_streaming()
144 	ret = media_pipeline_start(&video->vdev.entity, &video->vdev.pipe);  in sun6i_video_start_streaming()
148 	if (video->mbus_code == 0) {  in sun6i_video_start_streaming()
153 	subdev = sun6i_video_remote_subdev(video, NULL);  in sun6i_video_start_streaming()
157 	config.pixelformat = video->fmt.fmt.pix.pixelformat;  in sun6i_video_start_streaming()
158 	config.code = video->mbus_code;  in sun6i_video_start_streaming()
159 	config.field = video->fmt.fmt.pix.field;  in sun6i_video_start_streaming()
160 	config.width = video->fmt.fmt.pix.width;  in sun6i_video_start_streaming()
161 	config.height = video->fmt.fmt.pix.height;  in sun6i_video_start_streaming()
163 	ret = sun6i_csi_update_config(video->csi, &config);  in sun6i_video_start_streaming()
167 	spin_lock_irqsave(&video->dma_queue_lock, flags);  in sun6i_video_start_streaming()
169 	buf = list_first_entry(&video->dma_queue,  in sun6i_video_start_streaming()
172 	sun6i_csi_update_buf_addr(video->csi, buf->dma_addr);  in sun6i_video_start_streaming()
174 	sun6i_csi_set_stream(video->csi, true);  in sun6i_video_start_streaming()
195 	sun6i_csi_update_buf_addr(video->csi, next_buf->dma_addr);  in sun6i_video_start_streaming()
197 	spin_unlock_irqrestore(&video->dma_queue_lock, flags);  in sun6i_video_start_streaming()
199 	ret = v4l2_subdev_call(subdev, video, s_stream, 1);  in sun6i_video_start_streaming()
206 	sun6i_csi_set_stream(video->csi, false);  in sun6i_video_start_streaming()
208 	media_pipeline_stop(&video->vdev.entity);  in sun6i_video_start_streaming()
210 	spin_lock_irqsave(&video->dma_queue_lock, flags);  in sun6i_video_start_streaming()
211 	list_for_each_entry(buf, &video->dma_queue, list)  in sun6i_video_start_streaming()
213 	INIT_LIST_HEAD(&video->dma_queue);  in sun6i_video_start_streaming()
214 	spin_unlock_irqrestore(&video->dma_queue_lock, flags);  in sun6i_video_start_streaming()
221 	struct sun6i_video *video = vb2_get_drv_priv(vq);  in sun6i_video_stop_streaming()  local
226 	subdev = sun6i_video_remote_subdev(video, NULL);  in sun6i_video_stop_streaming()
228 		v4l2_subdev_call(subdev, video, s_stream, 0);  in sun6i_video_stop_streaming()
230 	sun6i_csi_set_stream(video->csi, false);  in sun6i_video_stop_streaming()
232 	media_pipeline_stop(&video->vdev.entity);  in sun6i_video_stop_streaming()
235 	spin_lock_irqsave(&video->dma_queue_lock, flags);  in sun6i_video_stop_streaming()
236 	list_for_each_entry(buf, &video->dma_queue, list)  in sun6i_video_stop_streaming()
238 	INIT_LIST_HEAD(&video->dma_queue);  in sun6i_video_stop_streaming()
239 	spin_unlock_irqrestore(&video->dma_queue_lock, flags);  in sun6i_video_stop_streaming()
247 	struct sun6i_video *video = vb2_get_drv_priv(vb->vb2_queue);  in sun6i_video_buffer_queue()  local
250 	spin_lock_irqsave(&video->dma_queue_lock, flags);  in sun6i_video_buffer_queue()
252 	list_add_tail(&buf->list, &video->dma_queue);  in sun6i_video_buffer_queue()
253 	spin_unlock_irqrestore(&video->dma_queue_lock, flags);  in sun6i_video_buffer_queue()
256 void sun6i_video_frame_done(struct sun6i_video *video)  in sun6i_video_frame_done()  argument
262 	spin_lock(&video->dma_queue_lock);  in sun6i_video_frame_done()
264 	buf = list_first_entry(&video->dma_queue,  in sun6i_video_frame_done()
266 	if (list_is_last(&buf->list, &video->dma_queue)) {  in sun6i_video_frame_done()
267 		dev_dbg(video->csi->dev, "Frame dropped!\n");  in sun6i_video_frame_done()
279 		sun6i_csi_update_buf_addr(video->csi, next_buf->dma_addr);  in sun6i_video_frame_done()
280 		dev_dbg(video->csi->dev, "Frame dropped!\n");  in sun6i_video_frame_done()
287 	vbuf->sequence = video->sequence;  in sun6i_video_frame_done()
291 	if (!list_is_last(&next_buf->list, &video->dma_queue)) {  in sun6i_video_frame_done()
294 		sun6i_csi_update_buf_addr(video->csi, next_buf->dma_addr);  in sun6i_video_frame_done()
296 		dev_dbg(video->csi->dev, "Next frame will be dropped!\n");  in sun6i_video_frame_done()
300 	video->sequence++;  in sun6i_video_frame_done()
301 	spin_unlock(&video->dma_queue_lock);  in sun6i_video_frame_done()
317 	struct sun6i_video *video = video_drvdata(file);  in vidioc_querycap()  local
319 	strscpy(cap->driver, "sun6i-video", sizeof(cap->driver));  in vidioc_querycap()
320 	strscpy(cap->card, video->vdev.name, sizeof(cap->card));  in vidioc_querycap()
322 		 video->csi->dev->of_node->name);  in vidioc_querycap()
343 	struct sun6i_video *video = video_drvdata(file);  in vidioc_g_fmt_vid_cap()  local
345 	*fmt = video->fmt;  in vidioc_g_fmt_vid_cap()
350 static int sun6i_video_try_fmt(struct sun6i_video *video,  in sun6i_video_try_fmt()  argument
377 static int sun6i_video_set_fmt(struct sun6i_video *video, struct v4l2_format *f)  in sun6i_video_set_fmt()  argument
381 	ret = sun6i_video_try_fmt(video, f);  in sun6i_video_set_fmt()
385 	video->fmt = *f;  in sun6i_video_set_fmt()
393 	struct sun6i_video *video = video_drvdata(file);  in vidioc_s_fmt_vid_cap()  local
395 	if (vb2_is_busy(&video->vb2_vidq))  in vidioc_s_fmt_vid_cap()
398 	return sun6i_video_set_fmt(video, f);  in vidioc_s_fmt_vid_cap()
404 	struct sun6i_video *video = video_drvdata(file);  in vidioc_try_fmt_vid_cap()  local
406 	return sun6i_video_try_fmt(video, f);  in vidioc_try_fmt_vid_cap()
467 	struct sun6i_video *video = video_drvdata(file);  in sun6i_video_open()  local
470 	if (mutex_lock_interruptible(&video->lock))  in sun6i_video_open()
477 	ret = v4l2_pipeline_pm_get(&video->vdev.entity);  in sun6i_video_open()
485 	ret = sun6i_csi_set_power(video->csi, true);  in sun6i_video_open()
489 	mutex_unlock(&video->lock);  in sun6i_video_open()
495 	mutex_unlock(&video->lock);  in sun6i_video_open()
501 	struct sun6i_video *video = video_drvdata(file);  in sun6i_video_close()  local
504 	mutex_lock(&video->lock);  in sun6i_video_close()
510 	v4l2_pipeline_pm_put(&video->vdev.entity);  in sun6i_video_close()
513 		sun6i_csi_set_power(video->csi, false);  in sun6i_video_close()
515 	mutex_unlock(&video->lock);  in sun6i_video_close()
551 	struct sun6i_video *video = video_get_drvdata(vdev);  in sun6i_video_link_validate()  local
555 	video->mbus_code = 0;  in sun6i_video_link_validate()
558 		dev_info(video->csi->dev,  in sun6i_video_link_validate()
559 			 "video node %s pad not connected\n", vdev->name);  in sun6i_video_link_validate()
567 	if (!sun6i_csi_is_format_supported(video->csi,  in sun6i_video_link_validate()
568 					   video->fmt.fmt.pix.pixelformat,  in sun6i_video_link_validate()
570 		dev_err(video->csi->dev,  in sun6i_video_link_validate()
572 			video->fmt.fmt.pix.pixelformat,  in sun6i_video_link_validate()
577 	if (source_fmt.format.width != video->fmt.fmt.pix.width ||  in sun6i_video_link_validate()
578 	    source_fmt.format.height != video->fmt.fmt.pix.height) {  in sun6i_video_link_validate()
579 		dev_err(video->csi->dev,  in sun6i_video_link_validate()
581 			video->fmt.fmt.pix.width, video->fmt.fmt.pix.height,  in sun6i_video_link_validate()
586 	video->mbus_code = source_fmt.format.code;  in sun6i_video_link_validate()
595 int sun6i_video_init(struct sun6i_video *video, struct sun6i_csi *csi,  in sun6i_video_init()  argument
598 	struct video_device *vdev = &video->vdev;  in sun6i_video_init()
599 	struct vb2_queue *vidq = &video->vb2_vidq;  in sun6i_video_init()
603 	video->csi = csi;  in sun6i_video_init()
606 	video->pad.flags = MEDIA_PAD_FL_SINK | MEDIA_PAD_FL_MUST_CONNECT;  in sun6i_video_init()
608 	ret = media_entity_pads_init(&vdev->entity, 1, &video->pad);  in sun6i_video_init()
612 	mutex_init(&video->lock);  in sun6i_video_init()
614 	INIT_LIST_HEAD(&video->dma_queue);  in sun6i_video_init()
615 	spin_lock_init(&video->dma_queue_lock);  in sun6i_video_init()
617 	video->sequence = 0;  in sun6i_video_init()
625 	sun6i_video_set_fmt(video, &fmt);  in sun6i_video_init()
630 	vidq->drv_priv			= video;  in sun6i_video_init()
635 	vidq->lock			= &video->lock;  in sun6i_video_init()
646 	/* Register video device */  in sun6i_video_init()
655 	vdev->lock		= &video->lock;  in sun6i_video_init()
657 	video_set_drvdata(vdev, video);  in sun6i_video_init()
669 	media_entity_cleanup(&video->vdev.entity);  in sun6i_video_init()
670 	mutex_destroy(&video->lock);  in sun6i_video_init()
674 void sun6i_video_cleanup(struct sun6i_video *video)  in sun6i_video_cleanup()  argument
676 	vb2_video_unregister_device(&video->vdev);  in sun6i_video_cleanup()
677 	media_entity_cleanup(&video->vdev.entity);  in sun6i_video_cleanup()
678 	mutex_destroy(&video->lock);  in sun6i_video_cleanup()