media: platform: rename exynos4-is/ to samsung/exynos4-is/

As the end goal is to have platform drivers split by vendor,
rename exynos4-is/ to samsung/exynos4-is/.

Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

1 files changed, 0 insertions, 656 deletions

diff --git a/drivers/media/platform/exynos4-is/fimc-isp-video.c b/drivers/media/platform/exynos4-is/fimc-isp-video.c
deleted file mode 100644
index 83688a7982f7..000000000000
--- a/drivers/media/platform/exynos4-is/fimc-isp-video.c
+++ /dev/null
@@ -1,656 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Samsung EXYNOS4x12 FIMC-IS (Imaging Subsystem) driver
- *
- * FIMC-IS ISP video input and video output DMA interface driver
- *
- * Copyright (C) 2013 Samsung Electronics Co., Ltd.
- * Author: Sylwester Nawrocki <s.nawrocki@samsung.com>
- *
- * The hardware handling code derived from a driver written by
- * Younghwan Joo <yhwan.joo@samsung.com>.
- */
-
-#include <linux/bitops.h>
-#include <linux/device.h>
-#include <linux/delay.h>
-#include <linux/errno.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/printk.h>
-#include <linux/pm_runtime.h>
-#include <linux/slab.h>
-#include <linux/videodev2.h>
-
-#include <media/v4l2-device.h>
-#include <media/v4l2-ioctl.h>
-#include <media/videobuf2-v4l2.h>
-#include <media/videobuf2-dma-contig.h>
-#include <media/drv-intf/exynos-fimc.h>
-
-#include "common.h"
-#include "media-dev.h"
-#include "fimc-is.h"
-#include "fimc-isp-video.h"
-#include "fimc-is-param.h"
-
-static int isp_video_capture_queue_setup(struct vb2_queue *vq,
-			unsigned int *num_buffers, unsigned int *num_planes,
-			unsigned int sizes[], struct device *alloc_devs[])
-{
-	struct fimc_isp *isp = vb2_get_drv_priv(vq);
-	struct v4l2_pix_format_mplane *vid_fmt = &isp->video_capture.pixfmt;
-	const struct fimc_fmt *fmt = isp->video_capture.format;
-	unsigned int wh, i;
-
-	wh = vid_fmt->width * vid_fmt->height;
-
-	if (fmt == NULL)
-		return -EINVAL;
-
-	*num_buffers = clamp_t(u32, *num_buffers, FIMC_ISP_REQ_BUFS_MIN,
-						FIMC_ISP_REQ_BUFS_MAX);
-	if (*num_planes) {
-		if (*num_planes != fmt->memplanes)
-			return -EINVAL;
-		for (i = 0; i < *num_planes; i++)
-			if (sizes[i] < (wh * fmt->depth[i]) / 8)
-				return -EINVAL;
-		return 0;
-	}
-
-	*num_planes = fmt->memplanes;
-
-	for (i = 0; i < fmt->memplanes; i++)
-		sizes[i] = (wh * fmt->depth[i]) / 8;
-
-	return 0;
-}
-
-static inline struct param_dma_output *__get_isp_dma2(struct fimc_is *is)
-{
-	return &__get_curr_is_config(is)->isp.dma2_output;
-}
-
-static int isp_video_capture_start_streaming(struct vb2_queue *q,
-						unsigned int count)
-{
-	struct fimc_isp *isp = vb2_get_drv_priv(q);
-	struct fimc_is *is = fimc_isp_to_is(isp);
-	struct param_dma_output *dma = __get_isp_dma2(is);
-	struct fimc_is_video *video = &isp->video_capture;
-	int ret;
-
-	if (!test_bit(ST_ISP_VID_CAP_BUF_PREP, &isp->state) ||
-	    test_bit(ST_ISP_VID_CAP_STREAMING, &isp->state))
-		return 0;
-
-
-	dma->cmd = DMA_OUTPUT_COMMAND_ENABLE;
-	dma->notify_dma_done = DMA_OUTPUT_NOTIFY_DMA_DONE_ENABLE;
-	dma->buffer_address = is->is_dma_p_region +
-				DMA2_OUTPUT_ADDR_ARRAY_OFFS;
-	dma->buffer_number = video->reqbufs_count;
-	dma->dma_out_mask = video->buf_mask;
-
-	isp_dbg(2, &video->ve.vdev,
-		"buf_count: %d, planes: %d, dma addr table: %#x\n",
-		video->buf_count, video->format->memplanes,
-		dma->buffer_address);
-
-	fimc_is_mem_barrier();
-
-	fimc_is_set_param_bit(is, PARAM_ISP_DMA2_OUTPUT);
-	__fimc_is_hw_update_param(is, PARAM_ISP_DMA2_OUTPUT);
-
-	ret = fimc_is_itf_s_param(is, false);
-	if (ret < 0)
-		return ret;
-
-	ret = fimc_pipeline_call(&video->ve, set_stream, 1);
-	if (ret < 0)
-		return ret;
-
-	set_bit(ST_ISP_VID_CAP_STREAMING, &isp->state);
-	return ret;
-}
-
-static void isp_video_capture_stop_streaming(struct vb2_queue *q)
-{
-	struct fimc_isp *isp = vb2_get_drv_priv(q);
-	struct fimc_is *is = fimc_isp_to_is(isp);
-	struct param_dma_output *dma = __get_isp_dma2(is);
-	int ret;
-
-	ret = fimc_pipeline_call(&isp->video_capture.ve, set_stream, 0);
-	if (ret < 0)
-		return;
-
-	dma->cmd = DMA_OUTPUT_COMMAND_DISABLE;
-	dma->notify_dma_done = DMA_OUTPUT_NOTIFY_DMA_DONE_DISABLE;
-	dma->buffer_number = 0;
-	dma->buffer_address = 0;
-	dma->dma_out_mask = 0;
-
-	fimc_is_set_param_bit(is, PARAM_ISP_DMA2_OUTPUT);
-	__fimc_is_hw_update_param(is, PARAM_ISP_DMA2_OUTPUT);
-
-	ret = fimc_is_itf_s_param(is, false);
-	if (ret < 0)
-		dev_warn(&is->pdev->dev, "%s: DMA stop failed\n", __func__);
-
-	fimc_is_hw_set_isp_buf_mask(is, 0);
-
-	clear_bit(ST_ISP_VID_CAP_BUF_PREP, &isp->state);
-	clear_bit(ST_ISP_VID_CAP_STREAMING, &isp->state);
-
-	isp->video_capture.buf_count = 0;
-}
-
-static int isp_video_capture_buffer_prepare(struct vb2_buffer *vb)
-{
-	struct fimc_isp *isp = vb2_get_drv_priv(vb->vb2_queue);
-	struct fimc_is_video *video = &isp->video_capture;
-	int i;
-
-	if (video->format == NULL)
-		return -EINVAL;
-
-	for (i = 0; i < video->format->memplanes; i++) {
-		unsigned long size = video->pixfmt.plane_fmt[i].sizeimage;
-
-		if (vb2_plane_size(vb, i) < size) {
-			v4l2_err(&video->ve.vdev,
-				 "User buffer too small (%ld < %ld)\n",
-				 vb2_plane_size(vb, i), size);
-			return -EINVAL;
-		}
-		vb2_set_plane_payload(vb, i, size);
-	}
-
-	/* Check if we get one of the already known buffers. */
-	if (test_bit(ST_ISP_VID_CAP_BUF_PREP, &isp->state)) {
-		dma_addr_t dma_addr = vb2_dma_contig_plane_dma_addr(vb, 0);
-		int i;
-
-		for (i = 0; i < video->buf_count; i++)
-			if (video->buffers[i]->dma_addr[0] == dma_addr)
-				return 0;
-		return -ENXIO;
-	}
-
-	return 0;
-}
-
-static void isp_video_capture_buffer_queue(struct vb2_buffer *vb)
-{
-	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
-	struct fimc_isp *isp = vb2_get_drv_priv(vb->vb2_queue);
-	struct fimc_is_video *video = &isp->video_capture;
-	struct fimc_is *is = fimc_isp_to_is(isp);
-	struct isp_video_buf *ivb = to_isp_video_buf(vbuf);
-	unsigned long flags;
-	unsigned int i;
-
-	if (test_bit(ST_ISP_VID_CAP_BUF_PREP, &isp->state)) {
-		spin_lock_irqsave(&is->slock, flags);
-		video->buf_mask |= BIT(ivb->index);
-		spin_unlock_irqrestore(&is->slock, flags);
-	} else {
-		unsigned int num_planes = video->format->memplanes;
-
-		ivb->index = video->buf_count;
-		video->buffers[ivb->index] = ivb;
-
-		for (i = 0; i < num_planes; i++) {
-			int buf_index = ivb->index * num_planes + i;
-
-			ivb->dma_addr[i] = vb2_dma_contig_plane_dma_addr(vb, i);
-			is->is_p_region->shared[32 + buf_index] =
-							ivb->dma_addr[i];
-
-			isp_dbg(2, &video->ve.vdev,
-				"dma_buf %d (%d/%d/%d) addr: %pad\n",
-				buf_index, ivb->index, i, vb->index,
-				&ivb->dma_addr[i]);
-		}
-
-		if (++video->buf_count < video->reqbufs_count)
-			return;
-
-		video->buf_mask = (1UL << video->buf_count) - 1;
-		set_bit(ST_ISP_VID_CAP_BUF_PREP, &isp->state);
-	}
-
-	if (!test_bit(ST_ISP_VID_CAP_STREAMING, &isp->state))
-		isp_video_capture_start_streaming(vb->vb2_queue, 0);
-}
-
-/*
- * FIMC-IS ISP input and output DMA interface interrupt handler.
- * Locking: called with is->slock spinlock held.
- */
-void fimc_isp_video_irq_handler(struct fimc_is *is)
-{
-	struct fimc_is_video *video = &is->isp.video_capture;
-	struct vb2_v4l2_buffer *vbuf;
-	int buf_index;
-
-	/* TODO: Ensure the DMA is really stopped in stop_streaming callback */
-	if (!test_bit(ST_ISP_VID_CAP_STREAMING, &is->isp.state))
-		return;
-
-	buf_index = (is->i2h_cmd.args[1] - 1) % video->buf_count;
-	vbuf = &video->buffers[buf_index]->vb;
-
-	vbuf->vb2_buf.timestamp = ktime_get_ns();
-	vb2_buffer_done(&vbuf->vb2_buf, VB2_BUF_STATE_DONE);
-
-	video->buf_mask &= ~BIT(buf_index);
-	fimc_is_hw_set_isp_buf_mask(is, video->buf_mask);
-}
-
-static const struct vb2_ops isp_video_capture_qops = {
-	.queue_setup	 = isp_video_capture_queue_setup,
-	.buf_prepare	 = isp_video_capture_buffer_prepare,
-	.buf_queue	 = isp_video_capture_buffer_queue,
-	.wait_prepare	 = vb2_ops_wait_prepare,
-	.wait_finish	 = vb2_ops_wait_finish,
-	.start_streaming = isp_video_capture_start_streaming,
-	.stop_streaming	 = isp_video_capture_stop_streaming,
-};
-
-static int isp_video_open(struct file *file)
-{
-	struct fimc_isp *isp = video_drvdata(file);
-	struct exynos_video_entity *ve = &isp->video_capture.ve;
-	struct media_entity *me = &ve->vdev.entity;
-	int ret;
-
-	if (mutex_lock_interruptible(&isp->video_lock))
-		return -ERESTARTSYS;
-
-	ret = v4l2_fh_open(file);
-	if (ret < 0)
-		goto unlock;
-
-	ret = pm_runtime_resume_and_get(&isp->pdev->dev);
-	if (ret < 0)
-		goto rel_fh;
-
-	if (v4l2_fh_is_singular_file(file)) {
-		mutex_lock(&me->graph_obj.mdev->graph_mutex);
-
-		ret = fimc_pipeline_call(ve, open, me, true);
-
-		/* Mark the video pipeline as in use. */
-		if (ret == 0)
-			me->use_count++;
-
-		mutex_unlock(&me->graph_obj.mdev->graph_mutex);
-	}
-	if (!ret)
-		goto unlock;
-rel_fh:
-	v4l2_fh_release(file);
-unlock:
-	mutex_unlock(&isp->video_lock);
-	return ret;
-}
-
-static int isp_video_release(struct file *file)
-{
-	struct fimc_isp *isp = video_drvdata(file);
-	struct fimc_is_video *ivc = &isp->video_capture;
-	struct media_entity *entity = &ivc->ve.vdev.entity;
-	struct media_device *mdev = entity->graph_obj.mdev;
-	bool is_singular_file;
-
-	mutex_lock(&isp->video_lock);
-
-	is_singular_file = v4l2_fh_is_singular_file(file);
-
-	if (is_singular_file && ivc->streaming) {
-		media_pipeline_stop(entity);
-		ivc->streaming = 0;
-	}
-
-	_vb2_fop_release(file, NULL);
-
-	if (is_singular_file) {
-		fimc_pipeline_call(&ivc->ve, close);
-
-		mutex_lock(&mdev->graph_mutex);
-		entity->use_count--;
-		mutex_unlock(&mdev->graph_mutex);
-	}
-
-	pm_runtime_put(&isp->pdev->dev);
-	mutex_unlock(&isp->video_lock);
-
-	return 0;
-}
-
-static const struct v4l2_file_operations isp_video_fops = {
-	.owner		= THIS_MODULE,
-	.open		= isp_video_open,
-	.release	= isp_video_release,
-	.poll		= vb2_fop_poll,
-	.unlocked_ioctl	= video_ioctl2,
-	.mmap		= vb2_fop_mmap,
-};
-
-/*
- * Video node ioctl operations
- */
-static int isp_video_querycap(struct file *file, void *priv,
-					struct v4l2_capability *cap)
-{
-	struct fimc_isp *isp = video_drvdata(file);
-
-	__fimc_vidioc_querycap(&isp->pdev->dev, cap);
-	return 0;
-}
-
-static int isp_video_enum_fmt(struct file *file, void *priv,
-			      struct v4l2_fmtdesc *f)
-{
-	const struct fimc_fmt *fmt;
-
-	if (f->index >= FIMC_ISP_NUM_FORMATS)
-		return -EINVAL;
-
-	fmt = fimc_isp_find_format(NULL, NULL, f->index);
-	if (WARN_ON(fmt == NULL))
-		return -EINVAL;
-
-	f->pixelformat = fmt->fourcc;
-
-	return 0;
-}
-
-static int isp_video_g_fmt_mplane(struct file *file, void *fh,
-					struct v4l2_format *f)
-{
-	struct fimc_isp *isp = video_drvdata(file);
-
-	f->fmt.pix_mp = isp->video_capture.pixfmt;
-	return 0;
-}
-
-static void __isp_video_try_fmt(struct fimc_isp *isp,
-				struct v4l2_pix_format_mplane *pixm,
-				const struct fimc_fmt **fmt)
-{
-	const struct fimc_fmt *__fmt;
-
-	__fmt = fimc_isp_find_format(&pixm->pixelformat, NULL, 2);
-
-	if (fmt)
-		*fmt = __fmt;
-
-	pixm->colorspace = V4L2_COLORSPACE_SRGB;
-	pixm->field = V4L2_FIELD_NONE;
-	pixm->num_planes = __fmt->memplanes;
-	pixm->pixelformat = __fmt->fourcc;
-	/*
-	 * TODO: double check with the docmentation these width/height
-	 * constraints are correct.
-	 */
-	v4l_bound_align_image(&pixm->width, FIMC_ISP_SOURCE_WIDTH_MIN,
-			      FIMC_ISP_SOURCE_WIDTH_MAX, 3,
-			      &pixm->height, FIMC_ISP_SOURCE_HEIGHT_MIN,
-			      FIMC_ISP_SOURCE_HEIGHT_MAX, 0, 0);
-}
-
-static int isp_video_try_fmt_mplane(struct file *file, void *fh,
-					struct v4l2_format *f)
-{
-	struct fimc_isp *isp = video_drvdata(file);
-
-	__isp_video_try_fmt(isp, &f->fmt.pix_mp, NULL);
-	return 0;
-}
-
-static int isp_video_s_fmt_mplane(struct file *file, void *priv,
-					struct v4l2_format *f)
-{
-	struct fimc_isp *isp = video_drvdata(file);
-	struct fimc_is *is = fimc_isp_to_is(isp);
-	struct v4l2_pix_format_mplane *pixm = &f->fmt.pix_mp;
-	const struct fimc_fmt *ifmt = NULL;
-	struct param_dma_output *dma = __get_isp_dma2(is);
-
-	__isp_video_try_fmt(isp, pixm, &ifmt);
-
-	if (WARN_ON(ifmt == NULL))
-		return -EINVAL;
-
-	dma->format = DMA_OUTPUT_FORMAT_BAYER;
-	dma->order = DMA_OUTPUT_ORDER_GB_BG;
-	dma->plane = ifmt->memplanes;
-	dma->bitwidth = ifmt->depth[0];
-	dma->width = pixm->width;
-	dma->height = pixm->height;
-
-	fimc_is_mem_barrier();
-
-	isp->video_capture.format = ifmt;
-	isp->video_capture.pixfmt = *pixm;
-
-	return 0;
-}
-
-/*
- * Check for source/sink format differences at each link.
- * Return 0 if the formats match or -EPIPE otherwise.
- */
-static int isp_video_pipeline_validate(struct fimc_isp *isp)
-{
-	struct v4l2_subdev *sd = &isp->subdev;
-	struct v4l2_subdev_format sink_fmt, src_fmt;
-	struct media_pad *pad;
-	int ret;
-
-	while (1) {
-		/* Retrieve format at the sink pad */
-		pad = &sd->entity.pads[0];
-		if (!(pad->flags & MEDIA_PAD_FL_SINK))
-			break;
-		sink_fmt.pad = pad->index;
-		sink_fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE;
-		ret = v4l2_subdev_call(sd, pad, get_fmt, NULL, &sink_fmt);
-		if (ret < 0 && ret != -ENOIOCTLCMD)
-			return -EPIPE;
-
-		/* Retrieve format at the source pad */
-		pad = media_entity_remote_pad(pad);
-		if (!pad || !is_media_entity_v4l2_subdev(pad->entity))
-			break;
-
-		sd = media_entity_to_v4l2_subdev(pad->entity);
-		src_fmt.pad = pad->index;
-		src_fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE;
-		ret = v4l2_subdev_call(sd, pad, get_fmt, NULL, &src_fmt);
-		if (ret < 0 && ret != -ENOIOCTLCMD)
-			return -EPIPE;
-
-		if (src_fmt.format.width != sink_fmt.format.width ||
-		    src_fmt.format.height != sink_fmt.format.height ||
-		    src_fmt.format.code != sink_fmt.format.code)
-			return -EPIPE;
-	}
-
-	return 0;
-}
-
-static int isp_video_streamon(struct file *file, void *priv,
-				      enum v4l2_buf_type type)
-{
-	struct fimc_isp *isp = video_drvdata(file);
-	struct exynos_video_entity *ve = &isp->video_capture.ve;
-	struct media_entity *me = &ve->vdev.entity;
-	int ret;
-
-	ret = media_pipeline_start(me, &ve->pipe->mp);
-	if (ret < 0)
-		return ret;
-
-	ret = isp_video_pipeline_validate(isp);
-	if (ret < 0)
-		goto p_stop;
-
-	ret = vb2_ioctl_streamon(file, priv, type);
-	if (ret < 0)
-		goto p_stop;
-
-	isp->video_capture.streaming = 1;
-	return 0;
-p_stop:
-	media_pipeline_stop(me);
-	return ret;
-}
-
-static int isp_video_streamoff(struct file *file, void *priv,
-					enum v4l2_buf_type type)
-{
-	struct fimc_isp *isp = video_drvdata(file);
-	struct fimc_is_video *video = &isp->video_capture;
-	int ret;
-
-	ret = vb2_ioctl_streamoff(file, priv, type);
-	if (ret < 0)
-		return ret;
-
-	media_pipeline_stop(&video->ve.vdev.entity);
-	video->streaming = 0;
-	return 0;
-}
-
-static int isp_video_reqbufs(struct file *file, void *priv,
-				struct v4l2_requestbuffers *rb)
-{
-	struct fimc_isp *isp = video_drvdata(file);
-	int ret;
-
-	ret = vb2_ioctl_reqbufs(file, priv, rb);
-	if (ret < 0)
-		return ret;
-
-	if (rb->count && rb->count < FIMC_ISP_REQ_BUFS_MIN) {
-		rb->count = 0;
-		vb2_ioctl_reqbufs(file, priv, rb);
-		ret = -ENOMEM;
-	}
-
-	isp->video_capture.reqbufs_count = rb->count;
-	return ret;
-}
-
-static const struct v4l2_ioctl_ops isp_video_ioctl_ops = {
-	.vidioc_querycap		= isp_video_querycap,
-	.vidioc_enum_fmt_vid_cap	= isp_video_enum_fmt,
-	.vidioc_try_fmt_vid_cap_mplane	= isp_video_try_fmt_mplane,
-	.vidioc_s_fmt_vid_cap_mplane	= isp_video_s_fmt_mplane,
-	.vidioc_g_fmt_vid_cap_mplane	= isp_video_g_fmt_mplane,
-	.vidioc_reqbufs			= isp_video_reqbufs,
-	.vidioc_querybuf		= vb2_ioctl_querybuf,
-	.vidioc_prepare_buf		= vb2_ioctl_prepare_buf,
-	.vidioc_create_bufs		= vb2_ioctl_create_bufs,
-	.vidioc_qbuf			= vb2_ioctl_qbuf,
-	.vidioc_dqbuf			= vb2_ioctl_dqbuf,
-	.vidioc_streamon		= isp_video_streamon,
-	.vidioc_streamoff		= isp_video_streamoff,
-};
-
-int fimc_isp_video_device_register(struct fimc_isp *isp,
-				   struct v4l2_device *v4l2_dev,
-				   enum v4l2_buf_type type)
-{
-	struct vb2_queue *q = &isp->video_capture.vb_queue;
-	struct fimc_is_video *iv;
-	struct video_device *vdev;
-	int ret;
-
-	if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
-		iv = &isp->video_capture;
-	else
-		return -ENOSYS;
-
-	mutex_init(&isp->video_lock);
-	INIT_LIST_HEAD(&iv->pending_buf_q);
-	INIT_LIST_HEAD(&iv->active_buf_q);
-	iv->format = fimc_isp_find_format(NULL, NULL, 0);
-	iv->pixfmt.width = IS_DEFAULT_WIDTH;
-	iv->pixfmt.height = IS_DEFAULT_HEIGHT;
-	iv->pixfmt.pixelformat = iv->format->fourcc;
-	iv->pixfmt.colorspace = V4L2_COLORSPACE_SRGB;
-	iv->reqbufs_count = 0;
-
-	memset(q, 0, sizeof(*q));
-	q->type = type;
-	q->io_modes = VB2_MMAP | VB2_USERPTR;
-	q->ops = &isp_video_capture_qops;
-	q->mem_ops = &vb2_dma_contig_memops;
-	q->buf_struct_size = sizeof(struct isp_video_buf);
-	q->drv_priv = isp;
-	q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
-	q->lock = &isp->video_lock;
-	q->dev = &isp->pdev->dev;
-
-	ret = vb2_queue_init(q);
-	if (ret < 0)
-		return ret;
-
-	vdev = &iv->ve.vdev;
-	memset(vdev, 0, sizeof(*vdev));
-	strscpy(vdev->name, "fimc-is-isp.capture", sizeof(vdev->name));
-	vdev->queue = q;
-	vdev->fops = &isp_video_fops;
-	vdev->ioctl_ops = &isp_video_ioctl_ops;
-	vdev->v4l2_dev = v4l2_dev;
-	vdev->minor = -1;
-	vdev->release = video_device_release_empty;
-	vdev->lock = &isp->video_lock;
-	vdev->device_caps = V4L2_CAP_STREAMING | V4L2_CAP_VIDEO_CAPTURE_MPLANE;
-
-	iv->pad.flags = MEDIA_PAD_FL_SINK;
-	ret = media_entity_pads_init(&vdev->entity, 1, &iv->pad);
-	if (ret < 0)
-		return ret;
-
-	video_set_drvdata(vdev, isp);
-
-	ret = video_register_device(vdev, VFL_TYPE_VIDEO, -1);
-	if (ret < 0) {
-		media_entity_cleanup(&vdev->entity);
-		return ret;
-	}
-
-	v4l2_info(v4l2_dev, "Registered %s as /dev/%s\n",
-		  vdev->name, video_device_node_name(vdev));
-
-	return 0;
-}
-
-void fimc_isp_video_device_unregister(struct fimc_isp *isp,
-				      enum v4l2_buf_type type)
-{
-	struct exynos_video_entity *ve;
-
-	if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
-		ve = &isp->video_capture.ve;
-	else
-		return;
-
-	mutex_lock(&isp->video_lock);
-
-	if (video_is_registered(&ve->vdev)) {
-		video_unregister_device(&ve->vdev);
-		media_entity_cleanup(&ve->vdev.entity);
-		ve->pipe = NULL;
-	}
-
-	mutex_unlock(&isp->video_lock);
-}