3  * Driver for Renesas RZ/G2L CRU
21 #include "rzg2l-cru.h"
23 /* HW CRU Registers Definition */
25 /* CRU Control Register */
29 /* CRU Interrupt Enable Register */
33 /* CRU Interrupt Status Register */
37 /* CRU Reset Register */
41 /* Memory Bank Base Address (Lower) Register for CRU Image Data */
44 /* Memory Bank Base Address (Higher) Register for CRU Image Data */
47 /* Memory Bank Enable Register for CRU Image Data */
51 /* Memory Bank Status Register for CRU Image Data */
55 /* AXI Master FIFO Pointer Register for CRU Image Data */
60 /* AXI Master Transfer Stop Register for CRU Image Data */
64 /* AXI Master Transfer Stop Status Register for CRU Image Data */
68 /* CRU Image Processing Enable Register */
72 /* CRU Image Processing Main Control Register */
80 /* CRU Module Status Register */
84 /* CRU Data Output Mode Register */
108 static void rzg2l_cru_write(struct rzg2l_cru_dev *cru, u32 offset, u32 value)  in rzg2l_cru_write()  argument
110 	iowrite32(value, cru->base + offset);  in rzg2l_cru_write()
113 static u32 rzg2l_cru_read(struct rzg2l_cru_dev *cru, u32 offset)  in rzg2l_cru_read()  argument
115 	return ioread32(cru->base + offset);  in rzg2l_cru_read()
119 static void return_unused_buffers(struct rzg2l_cru_dev *cru,  in return_unused_buffers()  argument
126 	spin_lock_irqsave(&cru->qlock, flags);  in return_unused_buffers()
127 	for (i = 0; i < cru->num_buf; i++) {  in return_unused_buffers()
128 		if (cru->queue_buf[i]) {  in return_unused_buffers()
129 			vb2_buffer_done(&cru->queue_buf[i]->vb2_buf,  in return_unused_buffers()
131 			cru->queue_buf[i] = NULL;  in return_unused_buffers()
135 	list_for_each_entry_safe(buf, node, &cru->buf_list, list) {  in return_unused_buffers()
139 	spin_unlock_irqrestore(&cru->qlock, flags);  in return_unused_buffers()
146 	struct rzg2l_cru_dev *cru = vb2_get_drv_priv(vq);  in rzg2l_cru_queue_setup()  local
150 		return sizes[0] < cru->format.sizeimage ? -EINVAL : 0;  in rzg2l_cru_queue_setup()
153 	sizes[0] = cru->format.sizeimage;  in rzg2l_cru_queue_setup()
160 	struct rzg2l_cru_dev *cru = vb2_get_drv_priv(vb->vb2_queue);  in rzg2l_cru_buffer_prepare()  local
161 	unsigned long size = cru->format.sizeimage;  in rzg2l_cru_buffer_prepare()
164 		dev_err(cru->dev, "buffer too small (%lu < %lu)\n",  in rzg2l_cru_buffer_prepare()
177 	struct rzg2l_cru_dev *cru = vb2_get_drv_priv(vb->vb2_queue);  in rzg2l_cru_buffer_queue()  local
180 	spin_lock_irqsave(&cru->qlock, flags);  in rzg2l_cru_buffer_queue()
182 	list_add_tail(to_buf_list(vbuf), &cru->buf_list);  in rzg2l_cru_buffer_queue()
184 	spin_unlock_irqrestore(&cru->qlock, flags);  in rzg2l_cru_buffer_queue()
187 static int rzg2l_cru_mc_validate_format(struct rzg2l_cru_dev *cru,  in rzg2l_cru_mc_validate_format()  argument
220 	if (fmt.format.width != cru->format.width ||  in rzg2l_cru_mc_validate_format()
221 	    fmt.format.height != cru->format.height)  in rzg2l_cru_mc_validate_format()
227 static void rzg2l_cru_set_slot_addr(struct rzg2l_cru_dev *cru,  in rzg2l_cru_set_slot_addr()  argument
238 	rzg2l_cru_write(cru, AMnMBxADDRL(slot), addr);  in rzg2l_cru_set_slot_addr()
239 	rzg2l_cru_write(cru, AMnMBxADDRH(slot), 0);  in rzg2l_cru_set_slot_addr()
248 static void rzg2l_cru_fill_hw_slot(struct rzg2l_cru_dev *cru, int slot)  in rzg2l_cru_fill_hw_slot()  argument
255 	if (WARN_ON(cru->queue_buf[slot]))  in rzg2l_cru_fill_hw_slot()
258 	dev_dbg(cru->dev, "Filling HW slot: %d\n", slot);  in rzg2l_cru_fill_hw_slot()
260 	if (list_empty(&cru->buf_list)) {  in rzg2l_cru_fill_hw_slot()
261 		cru->queue_buf[slot] = NULL;  in rzg2l_cru_fill_hw_slot()
262 		phys_addr = cru->scratch_phys;  in rzg2l_cru_fill_hw_slot()
265 		buf = list_entry(cru->buf_list.next,  in rzg2l_cru_fill_hw_slot()
269 		cru->queue_buf[slot] = vbuf;  in rzg2l_cru_fill_hw_slot()
275 	rzg2l_cru_set_slot_addr(cru, slot, phys_addr);  in rzg2l_cru_fill_hw_slot()
278 static void rzg2l_cru_initialize_axi(struct rzg2l_cru_dev *cru)  in rzg2l_cru_initialize_axi()  argument
286 	rzg2l_cru_write(cru, AMnMBVALID, AMnMBVALID_MBVALID(cru->num_buf - 1));  in rzg2l_cru_initialize_axi()
288 	for (slot = 0; slot < cru->num_buf; slot++)  in rzg2l_cru_initialize_axi()
289 		rzg2l_cru_fill_hw_slot(cru, slot);  in rzg2l_cru_initialize_axi()
292 static void rzg2l_cru_csi2_setup(struct rzg2l_cru_dev *cru, bool *input_is_yuv,  in rzg2l_cru_csi2_setup()  argument
308 	icnmc |= (rzg2l_cru_read(cru, ICnMC) & ~ICnMC_INF_MASK);  in rzg2l_cru_csi2_setup()
311 	icnmc |= ICnMC_VCSEL(cru->csi.channel);  in rzg2l_cru_csi2_setup()
313 	rzg2l_cru_write(cru, ICnMC, icnmc);  in rzg2l_cru_csi2_setup()
316 static int rzg2l_cru_initialize_image_conv(struct rzg2l_cru_dev *cru,  in rzg2l_cru_initialize_image_conv()  argument
323 	rzg2l_cru_csi2_setup(cru, &input_is_yuv, ip_sd_fmt);  in rzg2l_cru_initialize_image_conv()
326 	switch (cru->format.pixelformat) {  in rzg2l_cru_initialize_image_conv()
332 		dev_err(cru->dev, "Invalid pixelformat (0x%x)\n",  in rzg2l_cru_initialize_image_conv()
333 			cru->format.pixelformat);  in rzg2l_cru_initialize_image_conv()
339 		rzg2l_cru_write(cru, ICnMC,  in rzg2l_cru_initialize_image_conv()
340 				rzg2l_cru_read(cru, ICnMC) | ICnMC_CSCTHR);  in rzg2l_cru_initialize_image_conv()
342 		rzg2l_cru_write(cru, ICnMC,  in rzg2l_cru_initialize_image_conv()
343 				rzg2l_cru_read(cru, ICnMC) & (~ICnMC_CSCTHR));  in rzg2l_cru_initialize_image_conv()
346 	rzg2l_cru_write(cru, ICnDMR, icndmr);  in rzg2l_cru_initialize_image_conv()
351 void rzg2l_cru_stop_image_processing(struct rzg2l_cru_dev *cru)  in rzg2l_cru_stop_image_processing()  argument
358 	spin_lock_irqsave(&cru->qlock, flags);  in rzg2l_cru_stop_image_processing()
361 	rzg2l_cru_write(cru, CRUnIE, 0);  in rzg2l_cru_stop_image_processing()
362 	rzg2l_cru_write(cru, CRUnINTS, 0x001F0F0F);  in rzg2l_cru_stop_image_processing()
365 	rzg2l_cru_write(cru, ICnEN, 0);  in rzg2l_cru_stop_image_processing()
368 	while ((rzg2l_cru_read(cru, ICnMS) & ICnMS_IA) && retries++ < RZG2L_RETRIES) {  in rzg2l_cru_stop_image_processing()
369 		spin_unlock_irqrestore(&cru->qlock, flags);  in rzg2l_cru_stop_image_processing()
371 		spin_lock_irqsave(&cru->qlock, flags);  in rzg2l_cru_stop_image_processing()
374 	icnms = rzg2l_cru_read(cru, ICnMS) & ICnMS_IA;  in rzg2l_cru_stop_image_processing()
376 		dev_err(cru->dev, "Failed stop HW, something is seriously broken\n");  in rzg2l_cru_stop_image_processing()
378 	cru->state = RZG2L_CRU_DMA_STOPPED;  in rzg2l_cru_stop_image_processing()
382 		amnfifopntr = rzg2l_cru_read(cru, AMnFIFOPNTR);  in rzg2l_cru_stop_image_processing()
395 		dev_err(cru->dev, "Failed to empty FIFO\n");  in rzg2l_cru_stop_image_processing()
398 	rzg2l_cru_write(cru, AMnAXISTP, AMnAXISTP_AXI_STOP);  in rzg2l_cru_stop_image_processing()
402 		if (rzg2l_cru_read(cru, AMnAXISTPACK) &  in rzg2l_cru_stop_image_processing()
411 		dev_err(cru->dev, "Failed to stop AXI bus\n");  in rzg2l_cru_stop_image_processing()
414 	rzg2l_cru_write(cru, AMnAXISTP, 0);  in rzg2l_cru_stop_image_processing()
416 	/* Reset the CRU (AXI-master) */  in rzg2l_cru_stop_image_processing()
417 	reset_control_assert(cru->aresetn);  in rzg2l_cru_stop_image_processing()
420 	rzg2l_cru_write(cru, CRUnRST, 0);  in rzg2l_cru_stop_image_processing()
422 	spin_unlock_irqrestore(&cru->qlock, flags);  in rzg2l_cru_stop_image_processing()
425 int rzg2l_cru_start_image_processing(struct rzg2l_cru_dev *cru)  in rzg2l_cru_start_image_processing()  argument
427 	struct v4l2_mbus_framefmt *fmt = rzg2l_cru_ip_get_src_fmt(cru);  in rzg2l_cru_start_image_processing()
431 	spin_lock_irqsave(&cru->qlock, flags);  in rzg2l_cru_start_image_processing()
434 	ret = rzg2l_cru_initialize_image_conv(cru, fmt);  in rzg2l_cru_start_image_processing()
436 		spin_unlock_irqrestore(&cru->qlock, flags);  in rzg2l_cru_start_image_processing()
441 	rzg2l_cru_write(cru, CRUnCTRL, CRUnCTRL_VINSEL(0));  in rzg2l_cru_start_image_processing()
444 	rzg2l_cru_write(cru, CRUnRST, CRUnRST_VRESETN);  in rzg2l_cru_start_image_processing()
447 	rzg2l_cru_write(cru, CRUnIE, 0);  in rzg2l_cru_start_image_processing()
448 	rzg2l_cru_write(cru, CRUnINTS, 0x001f000f);  in rzg2l_cru_start_image_processing()
451 	rzg2l_cru_initialize_axi(cru);  in rzg2l_cru_start_image_processing()
454 	rzg2l_cru_write(cru, CRUnIE, CRUnIE_EFE);  in rzg2l_cru_start_image_processing()
457 	rzg2l_cru_write(cru, ICnEN, ICnEN_ICEN);  in rzg2l_cru_start_image_processing()
459 	spin_unlock_irqrestore(&cru->qlock, flags);  in rzg2l_cru_start_image_processing()
464 void rzg2l_cru_vclk_unprepare(struct rzg2l_cru_dev *cru)  in rzg2l_cru_vclk_unprepare()  argument
466 	clk_disable_unprepare(cru->vclk);  in rzg2l_cru_vclk_unprepare()
469 int rzg2l_cru_vclk_prepare(struct rzg2l_cru_dev *cru)  in rzg2l_cru_vclk_prepare()  argument
471 	return clk_prepare_enable(cru->vclk);  in rzg2l_cru_vclk_prepare()
474 static int rzg2l_cru_set_stream(struct rzg2l_cru_dev *cru, int on)  in rzg2l_cru_set_stream()  argument
481 	pad = media_pad_remote_pad_first(&cru->pad);  in rzg2l_cru_set_stream()
500 		video_device_pipeline_stop(&cru->vdev);  in rzg2l_cru_set_stream()
502 		pm_runtime_put_sync(cru->dev);  in rzg2l_cru_set_stream()
503 		clk_disable_unprepare(cru->vclk);  in rzg2l_cru_set_stream()
508 	ret = pm_runtime_resume_and_get(cru->dev);  in rzg2l_cru_set_stream()
512 	ret = clk_prepare_enable(cru->vclk);  in rzg2l_cru_set_stream()
516 	ret = rzg2l_cru_mc_validate_format(cru, sd, pad);  in rzg2l_cru_set_stream()
520 	pipe = media_entity_pipeline(&sd->entity) ? : &cru->vdev.pipe;  in rzg2l_cru_set_stream()
521 	ret = video_device_pipeline_start(&cru->vdev, pipe);  in rzg2l_cru_set_stream()
543 	video_device_pipeline_stop(&cru->vdev);  in rzg2l_cru_set_stream()
546 	clk_disable_unprepare(cru->vclk);  in rzg2l_cru_set_stream()
549 	pm_runtime_put_sync(cru->dev);  in rzg2l_cru_set_stream()
554 static void rzg2l_cru_stop_streaming(struct rzg2l_cru_dev *cru)  in rzg2l_cru_stop_streaming()  argument
556 	cru->state = RZG2L_CRU_DMA_STOPPING;  in rzg2l_cru_stop_streaming()
558 	rzg2l_cru_set_stream(cru, 0);  in rzg2l_cru_stop_streaming()
563 	struct rzg2l_cru_dev *cru = data;  in rzg2l_cru_irq()  local
570 	spin_lock_irqsave(&cru->qlock, flags);  in rzg2l_cru_irq()
572 	irq_status = rzg2l_cru_read(cru, CRUnINTS);  in rzg2l_cru_irq()
578 	rzg2l_cru_write(cru, CRUnINTS, rzg2l_cru_read(cru, CRUnINTS));  in rzg2l_cru_irq()
581 	if (cru->state == RZG2L_CRU_DMA_STOPPED) {  in rzg2l_cru_irq()
582 		dev_dbg(cru->dev, "IRQ while state stopped\n");  in rzg2l_cru_irq()
587 	if (cru->state == RZG2L_CRU_DMA_STOPPING) {  in rzg2l_cru_irq()
589 			dev_dbg(cru->dev, "IRQ while state stopping\n");  in rzg2l_cru_irq()
594 	amnmbs = rzg2l_cru_read(cru, AMnMBS);  in rzg2l_cru_irq()
602 		slot = cru->num_buf - 1;  in rzg2l_cru_irq()
610 	if (cru->state == RZG2L_CRU_DMA_STARTING) {  in rzg2l_cru_irq()
612 			dev_dbg(cru->dev, "Starting sync slot: %d\n", slot);  in rzg2l_cru_irq()
616 		dev_dbg(cru->dev, "Capture start synced!\n");  in rzg2l_cru_irq()
617 		cru->state = RZG2L_CRU_DMA_RUNNING;  in rzg2l_cru_irq()
621 	if (cru->queue_buf[slot]) {  in rzg2l_cru_irq()
622 		cru->queue_buf[slot]->field = cru->format.field;  in rzg2l_cru_irq()
623 		cru->queue_buf[slot]->sequence = cru->sequence;  in rzg2l_cru_irq()
624 		cru->queue_buf[slot]->vb2_buf.timestamp = ktime_get_ns();  in rzg2l_cru_irq()
625 		vb2_buffer_done(&cru->queue_buf[slot]->vb2_buf,  in rzg2l_cru_irq()
627 		cru->queue_buf[slot] = NULL;  in rzg2l_cru_irq()
630 		dev_dbg(cru->dev, "Dropping frame %u\n", cru->sequence);  in rzg2l_cru_irq()
633 	cru->sequence++;  in rzg2l_cru_irq()
636 	rzg2l_cru_fill_hw_slot(cru, slot);  in rzg2l_cru_irq()
639 	spin_unlock_irqrestore(&cru->qlock, flags);  in rzg2l_cru_irq()
646 	struct rzg2l_cru_dev *cru = vb2_get_drv_priv(vq);  in rzg2l_cru_start_streaming_vq()  local
650 	ret = reset_control_deassert(cru->aresetn);  in rzg2l_cru_start_streaming_vq()
652 		dev_err(cru->dev, "failed to deassert aresetn\n");  in rzg2l_cru_start_streaming_vq()
656 	ret = reset_control_deassert(cru->presetn);  in rzg2l_cru_start_streaming_vq()
658 		reset_control_assert(cru->aresetn);  in rzg2l_cru_start_streaming_vq()
659 		dev_err(cru->dev, "failed to deassert presetn\n");  in rzg2l_cru_start_streaming_vq()
663 	ret = request_irq(cru->image_conv_irq, rzg2l_cru_irq,  in rzg2l_cru_start_streaming_vq()
664 			  IRQF_SHARED, KBUILD_MODNAME, cru);  in rzg2l_cru_start_streaming_vq()
666 		dev_err(cru->dev, "failed to request irq\n");  in rzg2l_cru_start_streaming_vq()
671 	cru->scratch = dma_alloc_coherent(cru->dev, cru->format.sizeimage,  in rzg2l_cru_start_streaming_vq()
672 					  &cru->scratch_phys, GFP_KERNEL);  in rzg2l_cru_start_streaming_vq()
673 	if (!cru->scratch) {  in rzg2l_cru_start_streaming_vq()
674 		return_unused_buffers(cru, VB2_BUF_STATE_QUEUED);  in rzg2l_cru_start_streaming_vq()
675 		dev_err(cru->dev, "Failed to allocate scratch buffer\n");  in rzg2l_cru_start_streaming_vq()
680 	cru->sequence = 0;  in rzg2l_cru_start_streaming_vq()
682 	ret = rzg2l_cru_set_stream(cru, 1);  in rzg2l_cru_start_streaming_vq()
684 		return_unused_buffers(cru, VB2_BUF_STATE_QUEUED);  in rzg2l_cru_start_streaming_vq()
688 	cru->state = RZG2L_CRU_DMA_STARTING;  in rzg2l_cru_start_streaming_vq()
689 	dev_dbg(cru->dev, "Starting to capture\n");  in rzg2l_cru_start_streaming_vq()
694 		dma_free_coherent(cru->dev, cru->format.sizeimage, cru->scratch,  in rzg2l_cru_start_streaming_vq()
695 				  cru->scratch_phys);  in rzg2l_cru_start_streaming_vq()
697 	free_irq(cru->image_conv_irq, cru);  in rzg2l_cru_start_streaming_vq()
700 	reset_control_assert(cru->presetn);  in rzg2l_cru_start_streaming_vq()
701 	reset_control_assert(cru->aresetn);  in rzg2l_cru_start_streaming_vq()
708 	struct rzg2l_cru_dev *cru = vb2_get_drv_priv(vq);  in rzg2l_cru_stop_streaming_vq()  local
710 	rzg2l_cru_stop_streaming(cru);  in rzg2l_cru_stop_streaming_vq()
713 	dma_free_coherent(cru->dev, cru->format.sizeimage,  in rzg2l_cru_stop_streaming_vq()
714 			  cru->scratch, cru->scratch_phys);  in rzg2l_cru_stop_streaming_vq()
716 	free_irq(cru->image_conv_irq, cru);  in rzg2l_cru_stop_streaming_vq()
717 	reset_control_assert(cru->presetn);  in rzg2l_cru_stop_streaming_vq()
719 	return_unused_buffers(cru, VB2_BUF_STATE_ERROR);  in rzg2l_cru_stop_streaming_vq()
732 void rzg2l_cru_dma_unregister(struct rzg2l_cru_dev *cru)  in rzg2l_cru_dma_unregister()  argument
734 	mutex_destroy(&cru->lock);  in rzg2l_cru_dma_unregister()
736 	v4l2_device_unregister(&cru->v4l2_dev);  in rzg2l_cru_dma_unregister()
737 	vb2_queue_release(&cru->queue);  in rzg2l_cru_dma_unregister()
740 int rzg2l_cru_dma_register(struct rzg2l_cru_dev *cru)  in rzg2l_cru_dma_register()  argument
742 	struct vb2_queue *q = &cru->queue;  in rzg2l_cru_dma_register()
747 	ret = v4l2_device_register(cru->dev, &cru->v4l2_dev);  in rzg2l_cru_dma_register()
751 	mutex_init(&cru->lock);  in rzg2l_cru_dma_register()
752 	INIT_LIST_HEAD(&cru->buf_list);  in rzg2l_cru_dma_register()
754 	spin_lock_init(&cru->qlock);  in rzg2l_cru_dma_register()
756 	cru->state = RZG2L_CRU_DMA_STOPPED;  in rzg2l_cru_dma_register()
759 		cru->queue_buf[i] = NULL;  in rzg2l_cru_dma_register()
764 	q->lock = &cru->lock;  in rzg2l_cru_dma_register()
765 	q->drv_priv = cru;  in rzg2l_cru_dma_register()
771 	q->dev = cru->dev;  in rzg2l_cru_dma_register()
775 		dev_err(cru->dev, "failed to initialize VB2 queue\n");  in rzg2l_cru_dma_register()
782 	mutex_destroy(&cru->lock);  in rzg2l_cru_dma_register()
783 	v4l2_device_unregister(&cru->v4l2_dev);  in rzg2l_cru_dma_register()
826 static void rzg2l_cru_format_align(struct rzg2l_cru_dev *cru,  in rzg2l_cru_format_align()  argument
845 	/* Limit to CRU capabilities */  in rzg2l_cru_format_align()
852 	dev_dbg(cru->dev, "Format %ux%u bpl: %u size: %u\n",  in rzg2l_cru_format_align()
856 static void rzg2l_cru_try_format(struct rzg2l_cru_dev *cru,  in rzg2l_cru_try_format()  argument
871 	rzg2l_cru_format_align(cru, pix);  in rzg2l_cru_try_format()
886 	struct rzg2l_cru_dev *cru = video_drvdata(file);  in rzg2l_cru_try_fmt_vid_cap()  local
888 	rzg2l_cru_try_format(cru, &f->fmt.pix);  in rzg2l_cru_try_fmt_vid_cap()
896 	struct rzg2l_cru_dev *cru = video_drvdata(file);  in rzg2l_cru_s_fmt_vid_cap()  local
898 	if (vb2_is_busy(&cru->queue))  in rzg2l_cru_s_fmt_vid_cap()
901 	rzg2l_cru_try_format(cru, &f->fmt.pix);  in rzg2l_cru_s_fmt_vid_cap()
903 	cru->format = f->fmt.pix;  in rzg2l_cru_s_fmt_vid_cap()
911 	struct rzg2l_cru_dev *cru = video_drvdata(file);  in rzg2l_cru_g_fmt_vid_cap()  local
913 	f->fmt.pix = cru->format;  in rzg2l_cru_g_fmt_vid_cap()
953 	struct rzg2l_cru_dev *cru = video_drvdata(file);  in rzg2l_cru_open()  local
956 	ret = mutex_lock_interruptible(&cru->lock);  in rzg2l_cru_open()
960 	file->private_data = cru;  in rzg2l_cru_open()
965 	mutex_unlock(&cru->lock);  in rzg2l_cru_open()
970 	mutex_unlock(&cru->lock);  in rzg2l_cru_open()
977 	struct rzg2l_cru_dev *cru = video_drvdata(file);  in rzg2l_cru_release()  local
980 	mutex_lock(&cru->lock);  in rzg2l_cru_release()
985 	mutex_unlock(&cru->lock);  in rzg2l_cru_release()
1000 static void rzg2l_cru_v4l2_init(struct rzg2l_cru_dev *cru)  in rzg2l_cru_v4l2_init()  argument
1002 	struct video_device *vdev = &cru->vdev;  in rzg2l_cru_v4l2_init()
1004 	vdev->v4l2_dev = &cru->v4l2_dev;  in rzg2l_cru_v4l2_init()
1005 	vdev->queue = &cru->queue;  in rzg2l_cru_v4l2_init()
1006 	snprintf(vdev->name, sizeof(vdev->name), "CRU output");  in rzg2l_cru_v4l2_init()
1008 	vdev->lock = &cru->lock;  in rzg2l_cru_v4l2_init()
1015 	cru->format.pixelformat	= RZG2L_CRU_DEFAULT_FORMAT;  in rzg2l_cru_v4l2_init()
1016 	cru->format.width = RZG2L_CRU_DEFAULT_WIDTH;  in rzg2l_cru_v4l2_init()
1017 	cru->format.height = RZG2L_CRU_DEFAULT_HEIGHT;  in rzg2l_cru_v4l2_init()
1018 	cru->format.field = RZG2L_CRU_DEFAULT_FIELD;  in rzg2l_cru_v4l2_init()
1019 	cru->format.colorspace = RZG2L_CRU_DEFAULT_COLORSPACE;  in rzg2l_cru_v4l2_init()
1020 	rzg2l_cru_format_align(cru, &cru->format);  in rzg2l_cru_v4l2_init()
1023 void rzg2l_cru_video_unregister(struct rzg2l_cru_dev *cru)  in rzg2l_cru_video_unregister()  argument
1025 	media_device_unregister(&cru->mdev);  in rzg2l_cru_video_unregister()
1026 	video_unregister_device(&cru->vdev);  in rzg2l_cru_video_unregister()
1029 int rzg2l_cru_video_register(struct rzg2l_cru_dev *cru)  in rzg2l_cru_video_register()  argument
1031 	struct video_device *vdev = &cru->vdev;  in rzg2l_cru_video_register()
1034 	if (video_is_registered(&cru->vdev)) {  in rzg2l_cru_video_register()
1037 		entity = &cru->vdev.entity;  in rzg2l_cru_video_register()
1039 			entity->graph_obj.mdev = &cru->mdev;  in rzg2l_cru_video_register()
1043 	rzg2l_cru_v4l2_init(cru);  in rzg2l_cru_video_register()
1044 	video_set_drvdata(vdev, cru);  in rzg2l_cru_video_register()
1047 		dev_err(cru->dev, "Failed to register video device\n");  in rzg2l_cru_video_register()
1051 	ret = media_device_register(&cru->mdev);  in rzg2l_cru_video_register()
1053 		video_unregister_device(&cru->vdev);  in rzg2l_cru_video_register()