Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux

Pulled mainline in order to get the UAPI infrastructure already
merged before I pull in David Howells's UAPI trees for networking.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 0 insertions, 1063 deletions

diff --git a/drivers/media/video/blackfin/bfin_capture.c b/drivers/media/video/blackfin/bfin_capture.c
deleted file mode 100644
index 0aba45e..0000000
--- a/drivers/media/video/blackfin/bfin_capture.c
+++ /dev/null
@@ -1,1063 +0,0 @@
-/*
- * Analog Devices video capture driver
- *
- * Copyright (c) 2011 Analog Devices Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/completion.h>
-#include <linux/delay.h>
-#include <linux/errno.h>
-#include <linux/fs.h>
-#include <linux/i2c.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/io.h>
-#include <linux/mm.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/slab.h>
-#include <linux/time.h>
-#include <linux/types.h>
-
-#include <media/v4l2-chip-ident.h>
-#include <media/v4l2-common.h>
-#include <media/v4l2-ctrls.h>
-#include <media/v4l2-device.h>
-#include <media/v4l2-ioctl.h>
-#include <media/videobuf2-dma-contig.h>
-
-#include <asm/dma.h>
-
-#include <media/blackfin/bfin_capture.h>
-#include <media/blackfin/ppi.h>
-
-#define CAPTURE_DRV_NAME        "bfin_capture"
-#define BCAP_MIN_NUM_BUF        2
-
-struct bcap_format {
-	char *desc;
-	u32 pixelformat;
-	enum v4l2_mbus_pixelcode mbus_code;
-	int bpp; /* bits per pixel */
-};
-
-struct bcap_buffer {
-	struct vb2_buffer vb;
-	struct list_head list;
-};
-
-struct bcap_device {
-	/* capture device instance */
-	struct v4l2_device v4l2_dev;
-	/* v4l2 control handler */
-	struct v4l2_ctrl_handler ctrl_handler;
-	/* device node data */
-	struct video_device *video_dev;
-	/* sub device instance */
-	struct v4l2_subdev *sd;
-	/* capture config */
-	struct bfin_capture_config *cfg;
-	/* ppi interface */
-	struct ppi_if *ppi;
-	/* current input */
-	unsigned int cur_input;
-	/* current selected standard */
-	v4l2_std_id std;
-	/* used to store pixel format */
-	struct v4l2_pix_format fmt;
-	/* bits per pixel*/
-	int bpp;
-	/* used to store sensor supported format */
-	struct bcap_format *sensor_formats;
-	/* number of sensor formats array */
-	int num_sensor_formats;
-	/* pointing to current video buffer */
-	struct bcap_buffer *cur_frm;
-	/* pointing to next video buffer */
-	struct bcap_buffer *next_frm;
-	/* buffer queue used in videobuf2 */
-	struct vb2_queue buffer_queue;
-	/* allocator-specific contexts for each plane */
-	struct vb2_alloc_ctx *alloc_ctx;
-	/* queue of filled frames */
-	struct list_head dma_queue;
-	/* used in videobuf2 callback */
-	spinlock_t lock;
-	/* used to access capture device */
-	struct mutex mutex;
-	/* used to wait ppi to complete one transfer */
-	struct completion comp;
-	/* prepare to stop */
-	bool stop;
-};
-
-struct bcap_fh {
-	struct v4l2_fh fh;
-	/* indicates whether this file handle is doing IO */
-	bool io_allowed;
-};
-
-static const struct bcap_format bcap_formats[] = {
-	{
-		.desc        = "YCbCr 4:2:2 Interleaved UYVY",
-		.pixelformat = V4L2_PIX_FMT_UYVY,
-		.mbus_code   = V4L2_MBUS_FMT_UYVY8_2X8,
-		.bpp         = 16,
-	},
-	{
-		.desc        = "YCbCr 4:2:2 Interleaved YUYV",
-		.pixelformat = V4L2_PIX_FMT_YUYV,
-		.mbus_code   = V4L2_MBUS_FMT_YUYV8_2X8,
-		.bpp         = 16,
-	},
-	{
-		.desc        = "RGB 565",
-		.pixelformat = V4L2_PIX_FMT_RGB565,
-		.mbus_code   = V4L2_MBUS_FMT_RGB565_2X8_LE,
-		.bpp         = 16,
-	},
-	{
-		.desc        = "RGB 444",
-		.pixelformat = V4L2_PIX_FMT_RGB444,
-		.mbus_code   = V4L2_MBUS_FMT_RGB444_2X8_PADHI_LE,
-		.bpp         = 16,
-	},
-
-};
-#define BCAP_MAX_FMTS ARRAY_SIZE(bcap_formats)
-
-static irqreturn_t bcap_isr(int irq, void *dev_id);
-
-static struct bcap_buffer *to_bcap_vb(struct vb2_buffer *vb)
-{
-	return container_of(vb, struct bcap_buffer, vb);
-}
-
-static int bcap_init_sensor_formats(struct bcap_device *bcap_dev)
-{
-	enum v4l2_mbus_pixelcode code;
-	struct bcap_format *sf;
-	unsigned int num_formats = 0;
-	int i, j;
-
-	while (!v4l2_subdev_call(bcap_dev->sd, video,
-				enum_mbus_fmt, num_formats, &code))
-		num_formats++;
-	if (!num_formats)
-		return -ENXIO;
-
-	sf = kzalloc(num_formats * sizeof(*sf), GFP_KERNEL);
-	if (!sf)
-		return -ENOMEM;
-
-	for (i = 0; i < num_formats; i++) {
-		v4l2_subdev_call(bcap_dev->sd, video,
-				enum_mbus_fmt, i, &code);
-		for (j = 0; j < BCAP_MAX_FMTS; j++)
-			if (code == bcap_formats[j].mbus_code)
-				break;
-		if (j == BCAP_MAX_FMTS) {
-			/* we don't allow this sensor working with our bridge */
-			kfree(sf);
-			return -EINVAL;
-		}
-		sf[i] = bcap_formats[j];
-	}
-	bcap_dev->sensor_formats = sf;
-	bcap_dev->num_sensor_formats = num_formats;
-	return 0;
-}
-
-static void bcap_free_sensor_formats(struct bcap_device *bcap_dev)
-{
-	bcap_dev->num_sensor_formats = 0;
-	kfree(bcap_dev->sensor_formats);
-	bcap_dev->sensor_formats = NULL;
-}
-
-static int bcap_open(struct file *file)
-{
-	struct bcap_device *bcap_dev = video_drvdata(file);
-	struct video_device *vfd = bcap_dev->video_dev;
-	struct bcap_fh *bcap_fh;
-
-	if (!bcap_dev->sd) {
-		v4l2_err(&bcap_dev->v4l2_dev, "No sub device registered\n");
-		return -ENODEV;
-	}
-
-	bcap_fh = kzalloc(sizeof(*bcap_fh), GFP_KERNEL);
-	if (!bcap_fh) {
-		v4l2_err(&bcap_dev->v4l2_dev,
-			 "unable to allocate memory for file handle object\n");
-		return -ENOMEM;
-	}
-
-	v4l2_fh_init(&bcap_fh->fh, vfd);
-
-	/* store pointer to v4l2_fh in private_data member of file */
-	file->private_data = &bcap_fh->fh;
-	v4l2_fh_add(&bcap_fh->fh);
-	bcap_fh->io_allowed = false;
-	return 0;
-}
-
-static int bcap_release(struct file *file)
-{
-	struct bcap_device *bcap_dev = video_drvdata(file);
-	struct v4l2_fh *fh = file->private_data;
-	struct bcap_fh *bcap_fh = container_of(fh, struct bcap_fh, fh);
-
-	/* if this instance is doing IO */
-	if (bcap_fh->io_allowed)
-		vb2_queue_release(&bcap_dev->buffer_queue);
-
-	file->private_data = NULL;
-	v4l2_fh_del(&bcap_fh->fh);
-	v4l2_fh_exit(&bcap_fh->fh);
-	kfree(bcap_fh);
-	return 0;
-}
-
-static int bcap_mmap(struct file *file, struct vm_area_struct *vma)
-{
-	struct bcap_device *bcap_dev = video_drvdata(file);
-
-	return vb2_mmap(&bcap_dev->buffer_queue, vma);
-}
-
-#ifndef CONFIG_MMU
-static unsigned long bcap_get_unmapped_area(struct file *file,
-					    unsigned long addr,
-					    unsigned long len,
-					    unsigned long pgoff,
-					    unsigned long flags)
-{
-	struct bcap_device *bcap_dev = video_drvdata(file);
-
-	return vb2_get_unmapped_area(&bcap_dev->buffer_queue,
-				     addr,
-				     len,
-				     pgoff,
-				     flags);
-}
-#endif
-
-static unsigned int bcap_poll(struct file *file, poll_table *wait)
-{
-	struct bcap_device *bcap_dev = video_drvdata(file);
-
-	return vb2_poll(&bcap_dev->buffer_queue, file, wait);
-}
-
-static int bcap_queue_setup(struct vb2_queue *vq,
-				const struct v4l2_format *fmt,
-				unsigned int *nbuffers, unsigned int *nplanes,
-				unsigned int sizes[], void *alloc_ctxs[])
-{
-	struct bcap_device *bcap_dev = vb2_get_drv_priv(vq);
-
-	if (*nbuffers < BCAP_MIN_NUM_BUF)
-		*nbuffers = BCAP_MIN_NUM_BUF;
-
-	*nplanes = 1;
-	sizes[0] = bcap_dev->fmt.sizeimage;
-	alloc_ctxs[0] = bcap_dev->alloc_ctx;
-
-	return 0;
-}
-
-static int bcap_buffer_init(struct vb2_buffer *vb)
-{
-	struct bcap_buffer *buf = to_bcap_vb(vb);
-
-	INIT_LIST_HEAD(&buf->list);
-	return 0;
-}
-
-static int bcap_buffer_prepare(struct vb2_buffer *vb)
-{
-	struct bcap_device *bcap_dev = vb2_get_drv_priv(vb->vb2_queue);
-	struct bcap_buffer *buf = to_bcap_vb(vb);
-	unsigned long size;
-
-	size = bcap_dev->fmt.sizeimage;
-	if (vb2_plane_size(vb, 0) < size) {
-		v4l2_err(&bcap_dev->v4l2_dev, "buffer too small (%lu < %lu)\n",
-				vb2_plane_size(vb, 0), size);
-		return -EINVAL;
-	}
-	vb2_set_plane_payload(&buf->vb, 0, size);
-
-	return 0;
-}
-
-static void bcap_buffer_queue(struct vb2_buffer *vb)
-{
-	struct bcap_device *bcap_dev = vb2_get_drv_priv(vb->vb2_queue);
-	struct bcap_buffer *buf = to_bcap_vb(vb);
-	unsigned long flags;
-
-	spin_lock_irqsave(&bcap_dev->lock, flags);
-	list_add_tail(&buf->list, &bcap_dev->dma_queue);
-	spin_unlock_irqrestore(&bcap_dev->lock, flags);
-}
-
-static void bcap_buffer_cleanup(struct vb2_buffer *vb)
-{
-	struct bcap_device *bcap_dev = vb2_get_drv_priv(vb->vb2_queue);
-	struct bcap_buffer *buf = to_bcap_vb(vb);
-	unsigned long flags;
-
-	spin_lock_irqsave(&bcap_dev->lock, flags);
-	list_del_init(&buf->list);
-	spin_unlock_irqrestore(&bcap_dev->lock, flags);
-}
-
-static void bcap_lock(struct vb2_queue *vq)
-{
-	struct bcap_device *bcap_dev = vb2_get_drv_priv(vq);
-	mutex_lock(&bcap_dev->mutex);
-}
-
-static void bcap_unlock(struct vb2_queue *vq)
-{
-	struct bcap_device *bcap_dev = vb2_get_drv_priv(vq);
-	mutex_unlock(&bcap_dev->mutex);
-}
-
-static int bcap_start_streaming(struct vb2_queue *vq, unsigned int count)
-{
-	struct bcap_device *bcap_dev = vb2_get_drv_priv(vq);
-	struct ppi_if *ppi = bcap_dev->ppi;
-	struct ppi_params params;
-	int ret;
-
-	/* enable streamon on the sub device */
-	ret = v4l2_subdev_call(bcap_dev->sd, video, s_stream, 1);
-	if (ret && (ret != -ENOIOCTLCMD)) {
-		v4l2_err(&bcap_dev->v4l2_dev, "stream on failed in subdev\n");
-		return ret;
-	}
-
-	/* set ppi params */
-	params.width = bcap_dev->fmt.width;
-	params.height = bcap_dev->fmt.height;
-	params.bpp = bcap_dev->bpp;
-	params.ppi_control = bcap_dev->cfg->ppi_control;
-	params.int_mask = bcap_dev->cfg->int_mask;
-	params.blank_clocks = bcap_dev->cfg->blank_clocks;
-	ret = ppi->ops->set_params(ppi, &params);
-	if (ret < 0) {
-		v4l2_err(&bcap_dev->v4l2_dev,
-				"Error in setting ppi params\n");
-		return ret;
-	}
-
-	/* attach ppi DMA irq handler */
-	ret = ppi->ops->attach_irq(ppi, bcap_isr);
-	if (ret < 0) {
-		v4l2_err(&bcap_dev->v4l2_dev,
-				"Error in attaching interrupt handler\n");
-		return ret;
-	}
-
-	INIT_COMPLETION(bcap_dev->comp);
-	bcap_dev->stop = false;
-	return 0;
-}
-
-static int bcap_stop_streaming(struct vb2_queue *vq)
-{
-	struct bcap_device *bcap_dev = vb2_get_drv_priv(vq);
-	struct ppi_if *ppi = bcap_dev->ppi;
-	int ret;
-
-	if (!vb2_is_streaming(vq))
-		return 0;
-
-	bcap_dev->stop = true;
-	wait_for_completion(&bcap_dev->comp);
-	ppi->ops->stop(ppi);
-	ppi->ops->detach_irq(ppi);
-	ret = v4l2_subdev_call(bcap_dev->sd, video, s_stream, 0);
-	if (ret && (ret != -ENOIOCTLCMD))
-		v4l2_err(&bcap_dev->v4l2_dev,
-				"stream off failed in subdev\n");
-
-	/* release all active buffers */
-	while (!list_empty(&bcap_dev->dma_queue)) {
-		bcap_dev->next_frm = list_entry(bcap_dev->dma_queue.next,
-						struct bcap_buffer, list);
-		list_del(&bcap_dev->next_frm->list);
-		vb2_buffer_done(&bcap_dev->next_frm->vb, VB2_BUF_STATE_ERROR);
-	}
-	return 0;
-}
-
-static struct vb2_ops bcap_video_qops = {
-	.queue_setup            = bcap_queue_setup,
-	.buf_init               = bcap_buffer_init,
-	.buf_prepare            = bcap_buffer_prepare,
-	.buf_cleanup            = bcap_buffer_cleanup,
-	.buf_queue              = bcap_buffer_queue,
-	.wait_prepare           = bcap_unlock,
-	.wait_finish            = bcap_lock,
-	.start_streaming        = bcap_start_streaming,
-	.stop_streaming         = bcap_stop_streaming,
-};
-
-static int bcap_reqbufs(struct file *file, void *priv,
-			struct v4l2_requestbuffers *req_buf)
-{
-	struct bcap_device *bcap_dev = video_drvdata(file);
-	struct vb2_queue *vq = &bcap_dev->buffer_queue;
-	struct v4l2_fh *fh = file->private_data;
-	struct bcap_fh *bcap_fh = container_of(fh, struct bcap_fh, fh);
-
-	if (vb2_is_busy(vq))
-		return -EBUSY;
-
-	bcap_fh->io_allowed = true;
-
-	return vb2_reqbufs(vq, req_buf);
-}
-
-static int bcap_querybuf(struct file *file, void *priv,
-				struct v4l2_buffer *buf)
-{
-	struct bcap_device *bcap_dev = video_drvdata(file);
-
-	return vb2_querybuf(&bcap_dev->buffer_queue, buf);
-}
-
-static int bcap_qbuf(struct file *file, void *priv,
-			struct v4l2_buffer *buf)
-{
-	struct bcap_device *bcap_dev = video_drvdata(file);
-	struct v4l2_fh *fh = file->private_data;
-	struct bcap_fh *bcap_fh = container_of(fh, struct bcap_fh, fh);
-
-	if (!bcap_fh->io_allowed)
-		return -EBUSY;
-
-	return vb2_qbuf(&bcap_dev->buffer_queue, buf);
-}
-
-static int bcap_dqbuf(struct file *file, void *priv,
-			struct v4l2_buffer *buf)
-{
-	struct bcap_device *bcap_dev = video_drvdata(file);
-	struct v4l2_fh *fh = file->private_data;
-	struct bcap_fh *bcap_fh = container_of(fh, struct bcap_fh, fh);
-
-	if (!bcap_fh->io_allowed)
-		return -EBUSY;
-
-	return vb2_dqbuf(&bcap_dev->buffer_queue,
-				buf, file->f_flags & O_NONBLOCK);
-}
-
-static irqreturn_t bcap_isr(int irq, void *dev_id)
-{
-	struct ppi_if *ppi = dev_id;
-	struct bcap_device *bcap_dev = ppi->priv;
-	struct timeval timevalue;
-	struct vb2_buffer *vb = &bcap_dev->cur_frm->vb;
-	dma_addr_t addr;
-
-	spin_lock(&bcap_dev->lock);
-
-	if (bcap_dev->cur_frm != bcap_dev->next_frm) {
-		do_gettimeofday(&timevalue);
-		vb->v4l2_buf.timestamp = timevalue;
-		vb2_buffer_done(vb, VB2_BUF_STATE_DONE);
-		bcap_dev->cur_frm = bcap_dev->next_frm;
-	}
-
-	ppi->ops->stop(ppi);
-
-	if (bcap_dev->stop) {
-		complete(&bcap_dev->comp);
-	} else {
-		if (!list_empty(&bcap_dev->dma_queue)) {
-			bcap_dev->next_frm = list_entry(bcap_dev->dma_queue.next,
-						struct bcap_buffer, list);
-			list_del(&bcap_dev->next_frm->list);
-			addr = vb2_dma_contig_plane_dma_addr(&bcap_dev->next_frm->vb, 0);
-			ppi->ops->update_addr(ppi, (unsigned long)addr);
-		}
-		ppi->ops->start(ppi);
-	}
-
-	spin_unlock(&bcap_dev->lock);
-
-	return IRQ_HANDLED;
-}
-
-static int bcap_streamon(struct file *file, void *priv,
-				enum v4l2_buf_type buf_type)
-{
-	struct bcap_device *bcap_dev = video_drvdata(file);
-	struct bcap_fh *fh = file->private_data;
-	struct ppi_if *ppi = bcap_dev->ppi;
-	dma_addr_t addr;
-	int ret;
-
-	if (!fh->io_allowed)
-		return -EBUSY;
-
-	/* call streamon to start streaming in videobuf */
-	ret = vb2_streamon(&bcap_dev->buffer_queue, buf_type);
-	if (ret)
-		return ret;
-
-	/* if dma queue is empty, return error */
-	if (list_empty(&bcap_dev->dma_queue)) {
-		v4l2_err(&bcap_dev->v4l2_dev, "dma queue is empty\n");
-		ret = -EINVAL;
-		goto err;
-	}
-
-	/* get the next frame from the dma queue */
-	bcap_dev->next_frm = list_entry(bcap_dev->dma_queue.next,
-					struct bcap_buffer, list);
-	bcap_dev->cur_frm = bcap_dev->next_frm;
-	/* remove buffer from the dma queue */
-	list_del(&bcap_dev->cur_frm->list);
-	addr = vb2_dma_contig_plane_dma_addr(&bcap_dev->cur_frm->vb, 0);
-	/* update DMA address */
-	ppi->ops->update_addr(ppi, (unsigned long)addr);
-	/* enable ppi */
-	ppi->ops->start(ppi);
-
-	return 0;
-err:
-	vb2_streamoff(&bcap_dev->buffer_queue, buf_type);
-	return ret;
-}
-
-static int bcap_streamoff(struct file *file, void *priv,
-				enum v4l2_buf_type buf_type)
-{
-	struct bcap_device *bcap_dev = video_drvdata(file);
-	struct bcap_fh *fh = file->private_data;
-
-	if (!fh->io_allowed)
-		return -EBUSY;
-
-	return vb2_streamoff(&bcap_dev->buffer_queue, buf_type);
-}
-
-static int bcap_querystd(struct file *file, void *priv, v4l2_std_id *std)
-{
-	struct bcap_device *bcap_dev = video_drvdata(file);
-
-	return v4l2_subdev_call(bcap_dev->sd, video, querystd, std);
-}
-
-static int bcap_g_std(struct file *file, void *priv, v4l2_std_id *std)
-{
-	struct bcap_device *bcap_dev = video_drvdata(file);
-
-	*std = bcap_dev->std;
-	return 0;
-}
-
-static int bcap_s_std(struct file *file, void *priv, v4l2_std_id *std)
-{
-	struct bcap_device *bcap_dev = video_drvdata(file);
-	int ret;
-
-	if (vb2_is_busy(&bcap_dev->buffer_queue))
-		return -EBUSY;
-
-	ret = v4l2_subdev_call(bcap_dev->sd, core, s_std, *std);
-	if (ret < 0)
-		return ret;
-
-	bcap_dev->std = *std;
-	return 0;
-}
-
-static int bcap_enum_input(struct file *file, void *priv,
-				struct v4l2_input *input)
-{
-	struct bcap_device *bcap_dev = video_drvdata(file);
-	struct bfin_capture_config *config = bcap_dev->cfg;
-	int ret;
-	u32 status;
-
-	if (input->index >= config->num_inputs)
-		return -EINVAL;
-
-	*input = config->inputs[input->index];
-	/* get input status */
-	ret = v4l2_subdev_call(bcap_dev->sd, video, g_input_status, &status);
-	if (!ret)
-		input->status = status;
-	return 0;
-}
-
-static int bcap_g_input(struct file *file, void *priv, unsigned int *index)
-{
-	struct bcap_device *bcap_dev = video_drvdata(file);
-
-	*index = bcap_dev->cur_input;
-	return 0;
-}
-
-static int bcap_s_input(struct file *file, void *priv, unsigned int index)
-{
-	struct bcap_device *bcap_dev = video_drvdata(file);
-	struct bfin_capture_config *config = bcap_dev->cfg;
-	struct bcap_route *route;
-	int ret;
-
-	if (vb2_is_busy(&bcap_dev->buffer_queue))
-		return -EBUSY;
-
-	if (index >= config->num_inputs)
-		return -EINVAL;
-
-	route = &config->routes[index];
-	ret = v4l2_subdev_call(bcap_dev->sd, video, s_routing,
-				route->input, route->output, 0);
-	if ((ret < 0) && (ret != -ENOIOCTLCMD)) {
-		v4l2_err(&bcap_dev->v4l2_dev, "Failed to set input\n");
-		return ret;
-	}
-	bcap_dev->cur_input = index;
-	return 0;
-}
-
-static int bcap_try_format(struct bcap_device *bcap,
-				struct v4l2_pix_format *pixfmt,
-				enum v4l2_mbus_pixelcode *mbus_code,
-				int *bpp)
-{
-	struct bcap_format *sf = bcap->sensor_formats;
-	struct bcap_format *fmt = NULL;
-	struct v4l2_mbus_framefmt mbus_fmt;
-	int ret, i;
-
-	for (i = 0; i < bcap->num_sensor_formats; i++) {
-		fmt = &sf[i];
-		if (pixfmt->pixelformat == fmt->pixelformat)
-			break;
-	}
-	if (i == bcap->num_sensor_formats)
-		fmt = &sf[0];
-
-	if (mbus_code)
-		*mbus_code = fmt->mbus_code;
-	if (bpp)
-		*bpp = fmt->bpp;
-	v4l2_fill_mbus_format(&mbus_fmt, pixfmt, fmt->mbus_code);
-	ret = v4l2_subdev_call(bcap->sd, video,
-				try_mbus_fmt, &mbus_fmt);
-	if (ret < 0)
-		return ret;
-	v4l2_fill_pix_format(pixfmt, &mbus_fmt);
-	pixfmt->bytesperline = pixfmt->width * fmt->bpp / 8;
-	pixfmt->sizeimage = pixfmt->bytesperline * pixfmt->height;
-	return 0;
-}
-
-static int bcap_enum_fmt_vid_cap(struct file *file, void  *priv,
-					struct v4l2_fmtdesc *fmt)
-{
-	struct bcap_device *bcap_dev = video_drvdata(file);
-	struct bcap_format *sf = bcap_dev->sensor_formats;
-
-	if (fmt->index >= bcap_dev->num_sensor_formats)
-		return -EINVAL;
-
-	fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-	strlcpy(fmt->description,
-		sf[fmt->index].desc,
-		sizeof(fmt->description));
-	fmt->pixelformat = sf[fmt->index].pixelformat;
-	return 0;
-}
-
-static int bcap_try_fmt_vid_cap(struct file *file, void *priv,
-					struct v4l2_format *fmt)
-{
-	struct bcap_device *bcap_dev = video_drvdata(file);
-	struct v4l2_pix_format *pixfmt = &fmt->fmt.pix;
-
-	return bcap_try_format(bcap_dev, pixfmt, NULL, NULL);
-}
-
-static int bcap_g_fmt_vid_cap(struct file *file, void *priv,
-				struct v4l2_format *fmt)
-{
-	struct bcap_device *bcap_dev = video_drvdata(file);
-
-	fmt->fmt.pix = bcap_dev->fmt;
-	return 0;
-}
-
-static int bcap_s_fmt_vid_cap(struct file *file, void *priv,
-				struct v4l2_format *fmt)
-{
-	struct bcap_device *bcap_dev = video_drvdata(file);
-	struct v4l2_mbus_framefmt mbus_fmt;
-	enum v4l2_mbus_pixelcode mbus_code;
-	struct v4l2_pix_format *pixfmt = &fmt->fmt.pix;
-	int ret, bpp;
-
-	if (vb2_is_busy(&bcap_dev->buffer_queue))
-		return -EBUSY;
-
-	/* see if format works */
-	ret = bcap_try_format(bcap_dev, pixfmt, &mbus_code, &bpp);
-	if (ret < 0)
-		return ret;
-
-	v4l2_fill_mbus_format(&mbus_fmt, pixfmt, mbus_code);
-	ret = v4l2_subdev_call(bcap_dev->sd, video, s_mbus_fmt, &mbus_fmt);
-	if (ret < 0)
-		return ret;
-	bcap_dev->fmt = *pixfmt;
-	bcap_dev->bpp = bpp;
-	return 0;
-}
-
-static int bcap_querycap(struct file *file, void  *priv,
-				struct v4l2_capability *cap)
-{
-	struct bcap_device *bcap_dev = video_drvdata(file);
-
-	cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING;
-	strlcpy(cap->driver, CAPTURE_DRV_NAME, sizeof(cap->driver));
-	strlcpy(cap->bus_info, "Blackfin Platform", sizeof(cap->bus_info));
-	strlcpy(cap->card, bcap_dev->cfg->card_name, sizeof(cap->card));
-	return 0;
-}
-
-static int bcap_g_parm(struct file *file, void *fh,
-				struct v4l2_streamparm *a)
-{
-	struct bcap_device *bcap_dev = video_drvdata(file);
-
-	if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
-		return -EINVAL;
-	return v4l2_subdev_call(bcap_dev->sd, video, g_parm, a);
-}
-
-static int bcap_s_parm(struct file *file, void *fh,
-				struct v4l2_streamparm *a)
-{
-	struct bcap_device *bcap_dev = video_drvdata(file);
-
-	if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
-		return -EINVAL;
-	return v4l2_subdev_call(bcap_dev->sd, video, s_parm, a);
-}
-
-static int bcap_g_chip_ident(struct file *file, void *priv,
-		struct v4l2_dbg_chip_ident *chip)
-{
-	struct bcap_device *bcap_dev = video_drvdata(file);
-
-	chip->ident = V4L2_IDENT_NONE;
-	chip->revision = 0;
-	if (chip->match.type != V4L2_CHIP_MATCH_I2C_DRIVER &&
-			chip->match.type != V4L2_CHIP_MATCH_I2C_ADDR)
-		return -EINVAL;
-
-	return v4l2_subdev_call(bcap_dev->sd, core,
-			g_chip_ident, chip);
-}
-
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-static int bcap_dbg_g_register(struct file *file, void *priv,
-		struct v4l2_dbg_register *reg)
-{
-	struct bcap_device *bcap_dev = video_drvdata(file);
-
-	return v4l2_subdev_call(bcap_dev->sd, core,
-			g_register, reg);
-}
-
-static int bcap_dbg_s_register(struct file *file, void *priv,
-		struct v4l2_dbg_register *reg)
-{
-	struct bcap_device *bcap_dev = video_drvdata(file);
-
-	return v4l2_subdev_call(bcap_dev->sd, core,
-			s_register, reg);
-}
-#endif
-
-static int bcap_log_status(struct file *file, void *priv)
-{
-	struct bcap_device *bcap_dev = video_drvdata(file);
-	/* status for sub devices */
-	v4l2_device_call_all(&bcap_dev->v4l2_dev, 0, core, log_status);
-	return 0;
-}
-
-static const struct v4l2_ioctl_ops bcap_ioctl_ops = {
-	.vidioc_querycap         = bcap_querycap,
-	.vidioc_g_fmt_vid_cap    = bcap_g_fmt_vid_cap,
-	.vidioc_enum_fmt_vid_cap = bcap_enum_fmt_vid_cap,
-	.vidioc_s_fmt_vid_cap    = bcap_s_fmt_vid_cap,
-	.vidioc_try_fmt_vid_cap  = bcap_try_fmt_vid_cap,
-	.vidioc_enum_input       = bcap_enum_input,
-	.vidioc_g_input          = bcap_g_input,
-	.vidioc_s_input          = bcap_s_input,
-	.vidioc_querystd         = bcap_querystd,
-	.vidioc_s_std            = bcap_s_std,
-	.vidioc_g_std            = bcap_g_std,
-	.vidioc_reqbufs          = bcap_reqbufs,
-	.vidioc_querybuf         = bcap_querybuf,
-	.vidioc_qbuf             = bcap_qbuf,
-	.vidioc_dqbuf            = bcap_dqbuf,
-	.vidioc_streamon         = bcap_streamon,
-	.vidioc_streamoff        = bcap_streamoff,
-	.vidioc_g_parm           = bcap_g_parm,
-	.vidioc_s_parm           = bcap_s_parm,
-	.vidioc_g_chip_ident     = bcap_g_chip_ident,
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-	.vidioc_g_register       = bcap_dbg_g_register,
-	.vidioc_s_register       = bcap_dbg_s_register,
-#endif
-	.vidioc_log_status       = bcap_log_status,
-};
-
-static struct v4l2_file_operations bcap_fops = {
-	.owner = THIS_MODULE,
-	.open = bcap_open,
-	.release = bcap_release,
-	.unlocked_ioctl = video_ioctl2,
-	.mmap = bcap_mmap,
-#ifndef CONFIG_MMU
-	.get_unmapped_area = bcap_get_unmapped_area,
-#endif
-	.poll = bcap_poll
-};
-
-static int __devinit bcap_probe(struct platform_device *pdev)
-{
-	struct bcap_device *bcap_dev;
-	struct video_device *vfd;
-	struct i2c_adapter *i2c_adap;
-	struct bfin_capture_config *config;
-	struct vb2_queue *q;
-	int ret;
-
-	config = pdev->dev.platform_data;
-	if (!config) {
-		v4l2_err(pdev->dev.driver, "Unable to get board config\n");
-		return -ENODEV;
-	}
-
-	bcap_dev = kzalloc(sizeof(*bcap_dev), GFP_KERNEL);
-	if (!bcap_dev) {
-		v4l2_err(pdev->dev.driver, "Unable to alloc bcap_dev\n");
-		return -ENOMEM;
-	}
-
-	bcap_dev->cfg = config;
-
-	bcap_dev->ppi = ppi_create_instance(config->ppi_info);
-	if (!bcap_dev->ppi) {
-		v4l2_err(pdev->dev.driver, "Unable to create ppi\n");
-		ret = -ENODEV;
-		goto err_free_dev;
-	}
-	bcap_dev->ppi->priv = bcap_dev;
-
-	bcap_dev->alloc_ctx = vb2_dma_contig_init_ctx(&pdev->dev);
-	if (IS_ERR(bcap_dev->alloc_ctx)) {
-		ret = PTR_ERR(bcap_dev->alloc_ctx);
-		goto err_free_ppi;
-	}
-
-	vfd = video_device_alloc();
-	if (!vfd) {
-		ret = -ENOMEM;
-		v4l2_err(pdev->dev.driver, "Unable to alloc video device\n");
-		goto err_cleanup_ctx;
-	}
-
-	/* initialize field of video device */
-	vfd->release            = video_device_release;
-	vfd->fops               = &bcap_fops;
-	vfd->ioctl_ops          = &bcap_ioctl_ops;
-	vfd->tvnorms            = 0;
-	vfd->v4l2_dev           = &bcap_dev->v4l2_dev;
-	set_bit(V4L2_FL_USE_FH_PRIO, &vfd->flags);
-	strncpy(vfd->name, CAPTURE_DRV_NAME, sizeof(vfd->name));
-	bcap_dev->video_dev     = vfd;
-
-	ret = v4l2_device_register(&pdev->dev, &bcap_dev->v4l2_dev);
-	if (ret) {
-		v4l2_err(pdev->dev.driver,
-				"Unable to register v4l2 device\n");
-		goto err_release_vdev;
-	}
-	v4l2_info(&bcap_dev->v4l2_dev, "v4l2 device registered\n");
-
-	bcap_dev->v4l2_dev.ctrl_handler = &bcap_dev->ctrl_handler;
-	ret = v4l2_ctrl_handler_init(&bcap_dev->ctrl_handler, 0);
-	if (ret) {
-		v4l2_err(&bcap_dev->v4l2_dev,
-				"Unable to init control handler\n");
-		goto err_unreg_v4l2;
-	}
-
-	spin_lock_init(&bcap_dev->lock);
-	/* initialize queue */
-	q = &bcap_dev->buffer_queue;
-	q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-	q->io_modes = VB2_MMAP;
-	q->drv_priv = bcap_dev;
-	q->buf_struct_size = sizeof(struct bcap_buffer);
-	q->ops = &bcap_video_qops;
-	q->mem_ops = &vb2_dma_contig_memops;
-
-	vb2_queue_init(q);
-
-	mutex_init(&bcap_dev->mutex);
-	init_completion(&bcap_dev->comp);
-
-	/* init video dma queues */
-	INIT_LIST_HEAD(&bcap_dev->dma_queue);
-
-	vfd->lock = &bcap_dev->mutex;
-	/* Locking in file operations other than ioctl should be done
-	   by the driver, not the V4L2 core.
-	   This driver needs auditing so that this flag can be removed. */
-	set_bit(V4L2_FL_LOCK_ALL_FOPS, &vfd->flags);
-
-	/* register video device */
-	ret = video_register_device(bcap_dev->video_dev, VFL_TYPE_GRABBER, -1);
-	if (ret) {
-		v4l2_err(&bcap_dev->v4l2_dev,
-				"Unable to register video device\n");
-		goto err_free_handler;
-	}
-	video_set_drvdata(bcap_dev->video_dev, bcap_dev);
-	v4l2_info(&bcap_dev->v4l2_dev, "video device registered as: %s\n",
-			video_device_node_name(vfd));
-
-	/* load up the subdevice */
-	i2c_adap = i2c_get_adapter(config->i2c_adapter_id);
-	if (!i2c_adap) {
-		v4l2_err(&bcap_dev->v4l2_dev,
-				"Unable to find i2c adapter\n");
-		goto err_unreg_vdev;
-
-	}
-	bcap_dev->sd = v4l2_i2c_new_subdev_board(&bcap_dev->v4l2_dev,
-						 i2c_adap,
-						 &config->board_info,
-						 NULL);
-	if (bcap_dev->sd) {
-		int i;
-		/* update tvnorms from the sub devices */
-		for (i = 0; i < config->num_inputs; i++)
-			vfd->tvnorms |= config->inputs[i].std;
-	} else {
-		v4l2_err(&bcap_dev->v4l2_dev,
-				"Unable to register sub device\n");
-		goto err_unreg_vdev;
-	}
-
-	v4l2_info(&bcap_dev->v4l2_dev, "v4l2 sub device registered\n");
-
-	/* now we can probe the default state */
-	if (vfd->tvnorms) {
-		v4l2_std_id std;
-		ret = v4l2_subdev_call(bcap_dev->sd, core, g_std, &std);
-		if (ret) {
-			v4l2_err(&bcap_dev->v4l2_dev,
-					"Unable to get std\n");
-			goto err_unreg_vdev;
-		}
-		bcap_dev->std = std;
-	}
-	ret = bcap_init_sensor_formats(bcap_dev);
-	if (ret) {
-		v4l2_err(&bcap_dev->v4l2_dev,
-				"Unable to create sensor formats table\n");
-		goto err_unreg_vdev;
-	}
-	return 0;
-err_unreg_vdev:
-	video_unregister_device(bcap_dev->video_dev);
-	bcap_dev->video_dev = NULL;
-err_free_handler:
-	v4l2_ctrl_handler_free(&bcap_dev->ctrl_handler);
-err_unreg_v4l2:
-	v4l2_device_unregister(&bcap_dev->v4l2_dev);
-err_release_vdev:
-	if (bcap_dev->video_dev)
-		video_device_release(bcap_dev->video_dev);
-err_cleanup_ctx:
-	vb2_dma_contig_cleanup_ctx(bcap_dev->alloc_ctx);
-err_free_ppi:
-	ppi_delete_instance(bcap_dev->ppi);
-err_free_dev:
-	kfree(bcap_dev);
-	return ret;
-}
-
-static int __devexit bcap_remove(struct platform_device *pdev)
-{
-	struct v4l2_device *v4l2_dev = platform_get_drvdata(pdev);
-	struct bcap_device *bcap_dev = container_of(v4l2_dev,
-						struct bcap_device, v4l2_dev);
-
-	bcap_free_sensor_formats(bcap_dev);
-	video_unregister_device(bcap_dev->video_dev);
-	v4l2_ctrl_handler_free(&bcap_dev->ctrl_handler);
-	v4l2_device_unregister(v4l2_dev);
-	vb2_dma_contig_cleanup_ctx(bcap_dev->alloc_ctx);
-	ppi_delete_instance(bcap_dev->ppi);
-	kfree(bcap_dev);
-	return 0;
-}
-
-static struct platform_driver bcap_driver = {
-	.driver = {
-		.name  = CAPTURE_DRV_NAME,
-		.owner = THIS_MODULE,
-	},
-	.probe = bcap_probe,
-	.remove = __devexit_p(bcap_remove),
-};
-
-static __init int bcap_init(void)
-{
-	return platform_driver_register(&bcap_driver);
-}
-
-static __exit void bcap_exit(void)
-{
-	platform_driver_unregister(&bcap_driver);
-}
-
-module_init(bcap_init);
-module_exit(bcap_exit);
-
-MODULE_DESCRIPTION("Analog Devices blackfin video capture driver");
-MODULE_AUTHOR("Scott Jiang <Scott.Jiang.Linux@gmail.com>");
-MODULE_LICENSE("GPL v2");