1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * Samsung S5P/EXYNOS4 SoC series FIMC (video postprocessor) driver
5  * Copyright (C) 2012 - 2013 Samsung Electronics Co., Ltd.
22 #include <media/v4l2-ioctl.h>
23 #include <media/videobuf2-v4l2.h>
24 #include <media/videobuf2-dma-contig.h>
27 #include "fimc-core.h"
28 #include "fimc-reg.h"
29 #include "media-dev.h"
43 	if (!ctx || !ctx->fh.m2m_ctx)  in fimc_m2m_job_finish()
46 	src_vb = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);  in fimc_m2m_job_finish()
47 	dst_vb = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);  in fimc_m2m_job_finish()
54 		v4l2_m2m_job_finish(ctx->fimc_dev->m2m.m2m_dev,  in fimc_m2m_job_finish()
55 				    ctx->fh.m2m_ctx);  in fimc_m2m_job_finish()
61 	struct fimc_dev *fimc = ctx->fimc_dev;  in fimc_m2m_shutdown()  local
63 	if (!fimc_m2m_pending(fimc))  in fimc_m2m_shutdown()
68 	wait_event_timeout(fimc->irq_queue,  in fimc_m2m_shutdown()
75 	struct fimc_ctx *ctx = q->drv_priv;  in start_streaming()
77 	return pm_runtime_resume_and_get(&ctx->fimc_dev->pdev->dev);  in start_streaming()
82 	struct fimc_ctx *ctx = q->drv_priv;  in stop_streaming()
86 	pm_runtime_put(&ctx->fimc_dev->pdev->dev);  in stop_streaming()
94 	struct fimc_dev *fimc;  in fimc_device_run()  local
101 	fimc = ctx->fimc_dev;  in fimc_device_run()
102 	spin_lock_irqsave(&fimc->slock, flags);  in fimc_device_run()
104 	set_bit(ST_M2M_PEND, &fimc->state);  in fimc_device_run()
105 	sf = &ctx->s_frame;  in fimc_device_run()
106 	df = &ctx->d_frame;  in fimc_device_run()
108 	if (ctx->state & FIMC_PARAMS) {  in fimc_device_run()
114 	src_vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);  in fimc_device_run()
115 	ret = fimc_prepare_addr(ctx, &src_vb->vb2_buf, sf, &sf->addr);  in fimc_device_run()
119 	dst_vb = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);  in fimc_device_run()
120 	ret = fimc_prepare_addr(ctx, &dst_vb->vb2_buf, df, &df->addr);  in fimc_device_run()
124 	dst_vb->vb2_buf.timestamp = src_vb->vb2_buf.timestamp;  in fimc_device_run()
125 	dst_vb->flags &= ~V4L2_BUF_FLAG_TSTAMP_SRC_MASK;  in fimc_device_run()
126 	dst_vb->flags |=  in fimc_device_run()
127 		src_vb->flags & V4L2_BUF_FLAG_TSTAMP_SRC_MASK;  in fimc_device_run()
130 	if (fimc->m2m.ctx != ctx) {  in fimc_device_run()
131 		ctx->state |= FIMC_PARAMS;  in fimc_device_run()
132 		fimc->m2m.ctx = ctx;  in fimc_device_run()
135 	if (ctx->state & FIMC_PARAMS) {  in fimc_device_run()
148 		if (fimc->drv_data->alpha_color)  in fimc_device_run()
152 	fimc_hw_set_input_addr(fimc, &sf->addr);  in fimc_device_run()
153 	fimc_hw_set_output_addr(fimc, &df->addr, -1);  in fimc_device_run()
156 	ctx->state &= (FIMC_CTX_M2M | FIMC_CTX_CAP);  in fimc_device_run()
157 	fimc_hw_activate_input_dma(fimc, true);  in fimc_device_run()
160 	spin_unlock_irqrestore(&fimc->slock, flags);  in fimc_device_run()
176 	f = ctx_get_frame(ctx, vq->type);  in fimc_queue_setup()
180 	 * Return number of non-contiguous planes (plane buffers)  in fimc_queue_setup()
183 	if (!f->fmt)  in fimc_queue_setup()
184 		return -EINVAL;  in fimc_queue_setup()
186 	*num_planes = f->fmt->memplanes;  in fimc_queue_setup()
187 	for (i = 0; i < f->fmt->memplanes; i++)  in fimc_queue_setup()
188 		sizes[i] = f->payload[i];  in fimc_queue_setup()
194 	struct fimc_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);  in fimc_buf_prepare()
198 	frame = ctx_get_frame(ctx, vb->vb2_queue->type);  in fimc_buf_prepare()
202 	for (i = 0; i < frame->fmt->memplanes; i++)  in fimc_buf_prepare()
203 		vb2_set_plane_payload(vb, i, frame->payload[i]);  in fimc_buf_prepare()
211 	struct fimc_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);  in fimc_buf_queue()
212 	v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vbuf);  in fimc_buf_queue()
231 	struct fimc_dev *fimc = video_drvdata(file);  in fimc_m2m_querycap()  local
233 	__fimc_vidioc_querycap(&fimc->pdev->dev, cap);  in fimc_m2m_querycap()
242 	fmt = fimc_find_format(NULL, NULL, get_m2m_fmt_flags(f->type),  in fimc_m2m_enum_fmt()
243 			       f->index);  in fimc_m2m_enum_fmt()
245 		return -EINVAL;  in fimc_m2m_enum_fmt()
247 	f->pixelformat = fmt->fourcc;  in fimc_m2m_enum_fmt()
255 	const struct fimc_frame *frame = ctx_get_frame(ctx, f->type);  in fimc_m2m_g_fmt_mplane()
266 	struct fimc_dev *fimc = ctx->fimc_dev;  in fimc_try_fmt_mplane()  local
267 	const struct fimc_variant *variant = fimc->variant;  in fimc_try_fmt_mplane()
268 	struct v4l2_pix_format_mplane *pix = &f->fmt.pix_mp;  in fimc_try_fmt_mplane()
272 	if (!IS_M2M(f->type))  in fimc_try_fmt_mplane()
273 		return -EINVAL;  in fimc_try_fmt_mplane()
275 	fmt = fimc_find_format(&pix->pixelformat, NULL,  in fimc_try_fmt_mplane()
276 			       get_m2m_fmt_flags(f->type), 0);  in fimc_try_fmt_mplane()
278 		return -EINVAL;  in fimc_try_fmt_mplane()
280 	if (pix->field == V4L2_FIELD_ANY)  in fimc_try_fmt_mplane()
281 		pix->field = V4L2_FIELD_NONE;  in fimc_try_fmt_mplane()
282 	else if (pix->field != V4L2_FIELD_NONE)  in fimc_try_fmt_mplane()
283 		return -EINVAL;  in fimc_try_fmt_mplane()
285 	if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {  in fimc_try_fmt_mplane()
286 		max_w = variant->pix_limit->scaler_dis_w;  in fimc_try_fmt_mplane()
287 		mod_x = ffs(variant->min_inp_pixsize) - 1;  in fimc_try_fmt_mplane()
289 		max_w = variant->pix_limit->out_rot_dis_w;  in fimc_try_fmt_mplane()
290 		mod_x = ffs(variant->min_out_pixsize) - 1;  in fimc_try_fmt_mplane()
297 		if (variant->min_vsize_align == 1)  in fimc_try_fmt_mplane()
298 			mod_y = fimc_fmt_is_rgb(fmt->color) ? 0 : 1;  in fimc_try_fmt_mplane()
300 			mod_y = ffs(variant->min_vsize_align) - 1;  in fimc_try_fmt_mplane()
303 	v4l_bound_align_image(&pix->width, 16, max_w, mod_x,  in fimc_try_fmt_mplane()
304 		&pix->height, 8, variant->pix_limit->scaler_dis_w, mod_y, 0);  in fimc_try_fmt_mplane()
306 	fimc_adjust_mplane_format(fmt, pix->width, pix->height, &f->fmt.pix_mp);  in fimc_try_fmt_mplane()
323 	for (i = 0; i < fmt->memplanes; i++) {  in __set_frame_format()
324 		frame->bytesperline[i] = pixm->plane_fmt[i].bytesperline;  in __set_frame_format()
325 		frame->payload[i] = pixm->plane_fmt[i].sizeimage;  in __set_frame_format()
328 	frame->f_width = pixm->width;  in __set_frame_format()
329 	frame->f_height	= pixm->height;  in __set_frame_format()
330 	frame->o_width = pixm->width;  in __set_frame_format()
331 	frame->o_height = pixm->height;  in __set_frame_format()
332 	frame->width = pixm->width;  in __set_frame_format()
333 	frame->height = pixm->height;  in __set_frame_format()
334 	frame->offs_h = 0;  in __set_frame_format()
335 	frame->offs_v = 0;  in __set_frame_format()
336 	frame->fmt = fmt;  in __set_frame_format()
343 	struct fimc_dev *fimc = ctx->fimc_dev;  in fimc_m2m_s_fmt_mplane()  local
353 	vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type);  in fimc_m2m_s_fmt_mplane()
356 		v4l2_err(&fimc->m2m.vfd, "queue (%d) busy\n", f->type);  in fimc_m2m_s_fmt_mplane()
357 		return -EBUSY;  in fimc_m2m_s_fmt_mplane()
360 	if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)  in fimc_m2m_s_fmt_mplane()
361 		frame = &ctx->s_frame;  in fimc_m2m_s_fmt_mplane()
363 		frame = &ctx->d_frame;  in fimc_m2m_s_fmt_mplane()
365 	fmt = fimc_find_format(&f->fmt.pix_mp.pixelformat, NULL,  in fimc_m2m_s_fmt_mplane()
366 			       get_m2m_fmt_flags(f->type), 0);  in fimc_m2m_s_fmt_mplane()
368 		return -EINVAL;  in fimc_m2m_s_fmt_mplane()
370 	__set_frame_format(frame, fmt, &f->fmt.pix_mp);  in fimc_m2m_s_fmt_mplane()
384 	frame = ctx_get_frame(ctx, s->type);  in fimc_m2m_g_selection()
388 	switch (s->target) {  in fimc_m2m_g_selection()
392 		if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)  in fimc_m2m_g_selection()
393 			return -EINVAL;  in fimc_m2m_g_selection()
398 		if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)  in fimc_m2m_g_selection()
399 			return -EINVAL;  in fimc_m2m_g_selection()
402 		return -EINVAL;  in fimc_m2m_g_selection()
405 	switch (s->target) {  in fimc_m2m_g_selection()
408 		s->r.left = frame->offs_h;  in fimc_m2m_g_selection()
409 		s->r.top = frame->offs_v;  in fimc_m2m_g_selection()
410 		s->r.width = frame->width;  in fimc_m2m_g_selection()
411 		s->r.height = frame->height;  in fimc_m2m_g_selection()
417 		s->r.left = 0;  in fimc_m2m_g_selection()
418 		s->r.top = 0;  in fimc_m2m_g_selection()
419 		s->r.width = frame->o_width;  in fimc_m2m_g_selection()
420 		s->r.height = frame->o_height;  in fimc_m2m_g_selection()
423 		return -EINVAL;  in fimc_m2m_g_selection()
431 	struct fimc_dev *fimc = ctx->fimc_dev;  in fimc_m2m_try_selection()  local
436 	if (s->r.top < 0 || s->r.left < 0) {  in fimc_m2m_try_selection()
437 		v4l2_err(&fimc->m2m.vfd,  in fimc_m2m_try_selection()
439 		return -EINVAL;  in fimc_m2m_try_selection()
441 	if (s->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {  in fimc_m2m_try_selection()
442 		f = &ctx->d_frame;  in fimc_m2m_try_selection()
443 		if (s->target != V4L2_SEL_TGT_COMPOSE)  in fimc_m2m_try_selection()
444 			return -EINVAL;  in fimc_m2m_try_selection()
445 	} else if (s->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {  in fimc_m2m_try_selection()
446 		f = &ctx->s_frame;  in fimc_m2m_try_selection()
447 		if (s->target != V4L2_SEL_TGT_CROP)  in fimc_m2m_try_selection()
448 			return -EINVAL;  in fimc_m2m_try_selection()
450 		return -EINVAL;  in fimc_m2m_try_selection()
453 	min_size = (f == &ctx->s_frame) ?  in fimc_m2m_try_selection()
454 		fimc->variant->min_inp_pixsize : fimc->variant->min_out_pixsize;  in fimc_m2m_try_selection()
457 	if (fimc->variant->min_vsize_align == 1)  in fimc_m2m_try_selection()
458 		halign = fimc_fmt_is_rgb(f->fmt->color) ? 0 : 1;  in fimc_m2m_try_selection()
460 		halign = ffs(fimc->variant->min_vsize_align) - 1;  in fimc_m2m_try_selection()
462 	for (i = 0; i < f->fmt->memplanes; i++)  in fimc_m2m_try_selection()
463 		depth += f->fmt->depth[i];  in fimc_m2m_try_selection()
465 	v4l_bound_align_image(&s->r.width, min_size, f->o_width,  in fimc_m2m_try_selection()
466 			      ffs(min_size) - 1,  in fimc_m2m_try_selection()
467 			      &s->r.height, min_size, f->o_height,  in fimc_m2m_try_selection()
470 	/* adjust left/top if cropping rectangle is out of bounds */  in fimc_m2m_try_selection()
471 	if (s->r.left + s->r.width > f->o_width)  in fimc_m2m_try_selection()
472 		s->r.left = f->o_width - s->r.width;  in fimc_m2m_try_selection()
473 	if (s->r.top + s->r.height > f->o_height)  in fimc_m2m_try_selection()
474 		s->r.top = f->o_height - s->r.height;  in fimc_m2m_try_selection()
476 	s->r.left = round_down(s->r.left, min_size);  in fimc_m2m_try_selection()
477 	s->r.top  = round_down(s->r.top, fimc->variant->hor_offs_align);  in fimc_m2m_try_selection()
480 	    s->r.left, s->r.top, s->r.width, s->r.height,  in fimc_m2m_try_selection()
481 	    f->f_width, f->f_height);  in fimc_m2m_try_selection()
490 	struct fimc_dev *fimc = ctx->fimc_dev;  in fimc_m2m_s_selection()  local
498 	f = (s->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) ?  in fimc_m2m_s_selection()
499 		&ctx->s_frame : &ctx->d_frame;  in fimc_m2m_s_selection()
501 	/* Check to see if scaling ratio is within supported range */  in fimc_m2m_s_selection()
502 	if (s->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {  in fimc_m2m_s_selection()
503 		ret = fimc_check_scaler_ratio(ctx, s->r.width,  in fimc_m2m_s_selection()
504 				s->r.height, ctx->d_frame.width,  in fimc_m2m_s_selection()
505 				ctx->d_frame.height, ctx->rotation);  in fimc_m2m_s_selection()
507 		ret = fimc_check_scaler_ratio(ctx, ctx->s_frame.width,  in fimc_m2m_s_selection()
508 				ctx->s_frame.height, s->r.width,  in fimc_m2m_s_selection()
509 				s->r.height, ctx->rotation);  in fimc_m2m_s_selection()
512 		v4l2_err(&fimc->m2m.vfd, "Out of scaler range\n");  in fimc_m2m_s_selection()
513 		return -EINVAL;  in fimc_m2m_s_selection()
516 	f->offs_h = s->r.left;  in fimc_m2m_s_selection()
517 	f->offs_v = s->r.top;  in fimc_m2m_s_selection()
518 	f->width  = s->r.width;  in fimc_m2m_s_selection()
519 	f->height = s->r.height;  in fimc_m2m_s_selection()
554 	src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;  in queue_init()
555 	src_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;  in queue_init()
556 	src_vq->drv_priv = ctx;  in queue_init()
557 	src_vq->ops = &fimc_qops;  in queue_init()
558 	src_vq->mem_ops = &vb2_dma_contig_memops;  in queue_init()
559 	src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);  in queue_init()
560 	src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;  in queue_init()
561 	src_vq->lock = &ctx->fimc_dev->lock;  in queue_init()
562 	src_vq->dev = &ctx->fimc_dev->pdev->dev;  in queue_init()
568 	dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;  in queue_init()
569 	dst_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;  in queue_init()
570 	dst_vq->drv_priv = ctx;  in queue_init()
571 	dst_vq->ops = &fimc_qops;  in queue_init()
572 	dst_vq->mem_ops = &vb2_dma_contig_memops;  in queue_init()
573 	dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);  in queue_init()
574 	dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;  in queue_init()
575 	dst_vq->lock = &ctx->fimc_dev->lock;  in queue_init()
576 	dst_vq->dev = &ctx->fimc_dev->pdev->dev;  in queue_init()
596 		return -EINVAL;  in fimc_m2m_set_default_format()
598 	__set_frame_format(&ctx->s_frame, fmt, &pixm);  in fimc_m2m_set_default_format()
599 	__set_frame_format(&ctx->d_frame, fmt, &pixm);  in fimc_m2m_set_default_format()
606 	struct fimc_dev *fimc = video_drvdata(file);  in fimc_m2m_open()  local
608 	int ret = -EBUSY;  in fimc_m2m_open()
610 	pr_debug("pid: %d, state: %#lx\n", task_pid_nr(current), fimc->state);  in fimc_m2m_open()
612 	if (mutex_lock_interruptible(&fimc->lock))  in fimc_m2m_open()
613 		return -ERESTARTSYS;  in fimc_m2m_open()
615 	 * Don't allow simultaneous open() of the mem-to-mem and the  in fimc_m2m_open()
616 	 * capture video node that belong to same FIMC IP instance.  in fimc_m2m_open()
618 	if (test_bit(ST_CAPT_BUSY, &fimc->state))  in fimc_m2m_open()
623 		ret = -ENOMEM;  in fimc_m2m_open()
626 	v4l2_fh_init(&ctx->fh, &fimc->m2m.vfd);  in fimc_m2m_open()
627 	ctx->fimc_dev = fimc;  in fimc_m2m_open()
630 	ctx->s_frame.fmt = fimc_get_format(0);  in fimc_m2m_open()
631 	ctx->d_frame.fmt = fimc_get_format(0);  in fimc_m2m_open()
638 	ctx->fh.ctrl_handler = &ctx->ctrls.handler;  in fimc_m2m_open()
639 	file->private_data = &ctx->fh;  in fimc_m2m_open()
640 	v4l2_fh_add(&ctx->fh);  in fimc_m2m_open()
642 	/* Setup the device context for memory-to-memory mode */  in fimc_m2m_open()
643 	ctx->state = FIMC_CTX_M2M;  in fimc_m2m_open()
644 	ctx->flags = 0;  in fimc_m2m_open()
645 	ctx->in_path = FIMC_IO_DMA;  in fimc_m2m_open()
646 	ctx->out_path = FIMC_IO_DMA;  in fimc_m2m_open()
647 	ctx->scaler.enabled = 1;  in fimc_m2m_open()
649 	ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(fimc->m2m.m2m_dev, ctx, queue_init);  in fimc_m2m_open()
650 	if (IS_ERR(ctx->fh.m2m_ctx)) {  in fimc_m2m_open()
651 		ret = PTR_ERR(ctx->fh.m2m_ctx);  in fimc_m2m_open()
655 	if (fimc->m2m.refcnt++ == 0)  in fimc_m2m_open()
656 		set_bit(ST_M2M_RUN, &fimc->state);  in fimc_m2m_open()
662 	mutex_unlock(&fimc->lock);  in fimc_m2m_open()
666 	v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);  in fimc_m2m_open()
669 	v4l2_fh_del(&ctx->fh);  in fimc_m2m_open()
671 	v4l2_fh_exit(&ctx->fh);  in fimc_m2m_open()
674 	mutex_unlock(&fimc->lock);  in fimc_m2m_open()
680 	struct fimc_ctx *ctx = fh_to_ctx(file->private_data);  in fimc_m2m_release()
681 	struct fimc_dev *fimc = ctx->fimc_dev;  in fimc_m2m_release()  local
684 		task_pid_nr(current), fimc->state, fimc->m2m.refcnt);  in fimc_m2m_release()
686 	mutex_lock(&fimc->lock);  in fimc_m2m_release()
688 	v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);  in fimc_m2m_release()
690 	v4l2_fh_del(&ctx->fh);  in fimc_m2m_release()
691 	v4l2_fh_exit(&ctx->fh);  in fimc_m2m_release()
693 	if (--fimc->m2m.refcnt <= 0)  in fimc_m2m_release()
694 		clear_bit(ST_M2M_RUN, &fimc->state);  in fimc_m2m_release()
697 	mutex_unlock(&fimc->lock);  in fimc_m2m_release()
715 int fimc_register_m2m_device(struct fimc_dev *fimc,  in fimc_register_m2m_device()  argument
718 	struct video_device *vfd = &fimc->m2m.vfd;  in fimc_register_m2m_device()
721 	fimc->v4l2_dev = v4l2_dev;  in fimc_register_m2m_device()
724 	vfd->fops = &fimc_m2m_fops;  in fimc_register_m2m_device()
725 	vfd->ioctl_ops = &fimc_m2m_ioctl_ops;  in fimc_register_m2m_device()
726 	vfd->v4l2_dev = v4l2_dev;  in fimc_register_m2m_device()
727 	vfd->minor = -1;  in fimc_register_m2m_device()
728 	vfd->release = video_device_release_empty;  in fimc_register_m2m_device()
729 	vfd->lock = &fimc->lock;  in fimc_register_m2m_device()
730 	vfd->vfl_dir = VFL_DIR_M2M;  in fimc_register_m2m_device()
731 	vfd->device_caps = V4L2_CAP_STREAMING | V4L2_CAP_VIDEO_M2M_MPLANE;  in fimc_register_m2m_device()
732 	set_bit(V4L2_FL_QUIRK_INVERTED_CROP, &vfd->flags);  in fimc_register_m2m_device()
734 	snprintf(vfd->name, sizeof(vfd->name), "fimc.%d.m2m", fimc->id);  in fimc_register_m2m_device()
735 	video_set_drvdata(vfd, fimc);  in fimc_register_m2m_device()
737 	fimc->m2m.m2m_dev = v4l2_m2m_init(&m2m_ops);  in fimc_register_m2m_device()
738 	if (IS_ERR(fimc->m2m.m2m_dev)) {  in fimc_register_m2m_device()
739 		v4l2_err(v4l2_dev, "failed to initialize v4l2-m2m device\n");  in fimc_register_m2m_device()
740 		return PTR_ERR(fimc->m2m.m2m_dev);  in fimc_register_m2m_device()
743 	ret = media_entity_pads_init(&vfd->entity, 0, NULL);  in fimc_register_m2m_device()
747 	ret = video_register_device(vfd, VFL_TYPE_VIDEO, -1);  in fimc_register_m2m_device()
752 		  vfd->name, video_device_node_name(vfd));  in fimc_register_m2m_device()
756 	media_entity_cleanup(&vfd->entity);  in fimc_register_m2m_device()
758 	v4l2_m2m_release(fimc->m2m.m2m_dev);  in fimc_register_m2m_device()
762 void fimc_unregister_m2m_device(struct fimc_dev *fimc)  in fimc_unregister_m2m_device()  argument
764 	if (!fimc)  in fimc_unregister_m2m_device()
767 	if (fimc->m2m.m2m_dev)  in fimc_unregister_m2m_device()
768 		v4l2_m2m_release(fimc->m2m.m2m_dev);  in fimc_unregister_m2m_device()
770 	if (video_is_registered(&fimc->m2m.vfd)) {  in fimc_unregister_m2m_device()
771 		video_unregister_device(&fimc->m2m.vfd);  in fimc_unregister_m2m_device()
772 		media_entity_cleanup(&fimc->m2m.vfd.entity);  in fimc_unregister_m2m_device()