1 files changed, 0 insertions, 899 deletions

diff --git a/drivers/media/video/sh_mobile_ceu_camera.c b/drivers/media/video/sh_mobile_ceu_camera.c
deleted file mode 100644
index ddcb81d0b81..00000000000
--- a/drivers/media/video/sh_mobile_ceu_camera.c
+++ /dev/null
@@ -1,899 +0,0 @@
-/*
- * V4L2 Driver for SuperH Mobile CEU interface
- *
- * Copyright (C) 2008 Magnus Damm
- *
- * Based on V4L2 Driver for PXA camera host - "pxa_camera.c",
- *
- * Copyright (C) 2006, Sascha Hauer, Pengutronix
- * Copyright (C) 2008, Guennadi Liakhovetski <kernel@pengutronix.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- */
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/io.h>
-#include <linux/delay.h>
-#include <linux/dma-mapping.h>
-#include <linux/errno.h>
-#include <linux/fs.h>
-#include <linux/interrupt.h>
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/moduleparam.h>
-#include <linux/time.h>
-#include <linux/version.h>
-#include <linux/device.h>
-#include <linux/platform_device.h>
-#include <linux/videodev2.h>
-#include <linux/clk.h>
-
-#include <media/v4l2-common.h>
-#include <media/v4l2-dev.h>
-#include <media/soc_camera.h>
-#include <media/sh_mobile_ceu.h>
-#include <media/videobuf-dma-contig.h>
-
-/* register offsets for sh7722 / sh7723 */
-
-#define CAPSR  0x00 /* Capture start register */
-#define CAPCR  0x04 /* Capture control register */
-#define CAMCR  0x08 /* Capture interface control register */
-#define CMCYR  0x0c /* Capture interface cycle  register */
-#define CAMOR  0x10 /* Capture interface offset register */
-#define CAPWR  0x14 /* Capture interface width register */
-#define CAIFR  0x18 /* Capture interface input format register */
-#define CSTCR  0x20 /* Camera strobe control register (<= sh7722) */
-#define CSECR  0x24 /* Camera strobe emission count register (<= sh7722) */
-#define CRCNTR 0x28 /* CEU register control register */
-#define CRCMPR 0x2c /* CEU register forcible control register */
-#define CFLCR  0x30 /* Capture filter control register */
-#define CFSZR  0x34 /* Capture filter size clip register */
-#define CDWDR  0x38 /* Capture destination width register */
-#define CDAYR  0x3c /* Capture data address Y register */
-#define CDACR  0x40 /* Capture data address C register */
-#define CDBYR  0x44 /* Capture data bottom-field address Y register */
-#define CDBCR  0x48 /* Capture data bottom-field address C register */
-#define CBDSR  0x4c /* Capture bundle destination size register */
-#define CFWCR  0x5c /* Firewall operation control register */
-#define CLFCR  0x60 /* Capture low-pass filter control register */
-#define CDOCR  0x64 /* Capture data output control register */
-#define CDDCR  0x68 /* Capture data complexity level register */
-#define CDDAR  0x6c /* Capture data complexity level address register */
-#define CEIER  0x70 /* Capture event interrupt enable register */
-#define CETCR  0x74 /* Capture event flag clear register */
-#define CSTSR  0x7c /* Capture status register */
-#define CSRTR  0x80 /* Capture software reset register */
-#define CDSSR  0x84 /* Capture data size register */
-#define CDAYR2 0x90 /* Capture data address Y register 2 */
-#define CDACR2 0x94 /* Capture data address C register 2 */
-#define CDBYR2 0x98 /* Capture data bottom-field address Y register 2 */
-#define CDBCR2 0x9c /* Capture data bottom-field address C register 2 */
-
-/* per video frame buffer */
-struct sh_mobile_ceu_buffer {
-	struct videobuf_buffer vb; /* v4l buffer must be first */
-	const struct soc_camera_data_format *fmt;
-};
-
-struct sh_mobile_ceu_dev {
-	struct device *dev;
-	struct soc_camera_host ici;
-	struct soc_camera_device *icd;
-
-	unsigned int irq;
-	void __iomem *base;
-	struct clk *clk;
-	unsigned long video_limit;
-
-	/* lock used to protect videobuf */
-	spinlock_t lock;
-	struct list_head capture;
-	struct videobuf_buffer *active;
-	int is_interlace;
-
-	struct sh_mobile_ceu_info *pdata;
-
-	const struct soc_camera_data_format *camera_fmt;
-};
-
-static void ceu_write(struct sh_mobile_ceu_dev *priv,
-		      unsigned long reg_offs, u32 data)
-{
-	iowrite32(data, priv->base + reg_offs);
-}
-
-static u32 ceu_read(struct sh_mobile_ceu_dev *priv, unsigned long reg_offs)
-{
-	return ioread32(priv->base + reg_offs);
-}
-
-/*
- *  Videobuf operations
- */
-static int sh_mobile_ceu_videobuf_setup(struct videobuf_queue *vq,
-					unsigned int *count,
-					unsigned int *size)
-{
-	struct soc_camera_device *icd = vq->priv_data;
-	struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
-	struct sh_mobile_ceu_dev *pcdev = ici->priv;
-	int bytes_per_pixel = (icd->current_fmt->depth + 7) >> 3;
-
-	*size = PAGE_ALIGN(icd->width * icd->height * bytes_per_pixel);
-
-	if (0 == *count)
-		*count = 2;
-
-	if (pcdev->video_limit) {
-		while (*size * *count > pcdev->video_limit)
-			(*count)--;
-	}
-
-	dev_dbg(&icd->dev, "count=%d, size=%d\n", *count, *size);
-
-	return 0;
-}
-
-static void free_buffer(struct videobuf_queue *vq,
-			struct sh_mobile_ceu_buffer *buf)
-{
-	struct soc_camera_device *icd = vq->priv_data;
-
-	dev_dbg(&icd->dev, "%s (vb=0x%p) 0x%08lx %zd\n", __func__,
-		&buf->vb, buf->vb.baddr, buf->vb.bsize);
-
-	if (in_interrupt())
-		BUG();
-
-	videobuf_dma_contig_free(vq, &buf->vb);
-	dev_dbg(&icd->dev, "%s freed\n", __func__);
-	buf->vb.state = VIDEOBUF_NEEDS_INIT;
-}
-
-#define CEU_CETCR_MAGIC 0x0317f313 /* acknowledge magical interrupt sources */
-#define CEU_CETCR_IGRW (1 << 4) /* prohibited register access interrupt bit */
-#define CEU_CEIER_CPEIE (1 << 0) /* one-frame capture end interrupt */
-#define CEU_CAPCR_CTNCP (1 << 16) /* continuous capture mode (if set) */
-
-
-static void sh_mobile_ceu_capture(struct sh_mobile_ceu_dev *pcdev)
-{
-	struct soc_camera_device *icd = pcdev->icd;
-	dma_addr_t phys_addr_top, phys_addr_bottom;
-
-	/* The hardware is _very_ picky about this sequence. Especially
-	 * the CEU_CETCR_MAGIC value. It seems like we need to acknowledge
-	 * several not-so-well documented interrupt sources in CETCR.
-	 */
-	ceu_write(pcdev, CEIER, ceu_read(pcdev, CEIER) & ~CEU_CEIER_CPEIE);
-	ceu_write(pcdev, CETCR, ~ceu_read(pcdev, CETCR) & CEU_CETCR_MAGIC);
-	ceu_write(pcdev, CEIER, ceu_read(pcdev, CEIER) | CEU_CEIER_CPEIE);
-	ceu_write(pcdev, CAPCR, ceu_read(pcdev, CAPCR) & ~CEU_CAPCR_CTNCP);
-	ceu_write(pcdev, CETCR, CEU_CETCR_MAGIC ^ CEU_CETCR_IGRW);
-
-	if (!pcdev->active)
-		return;
-
-	phys_addr_top = videobuf_to_dma_contig(pcdev->active);
-	ceu_write(pcdev, CDAYR, phys_addr_top);
-	if (pcdev->is_interlace) {
-		phys_addr_bottom = phys_addr_top + icd->width;
-		ceu_write(pcdev, CDBYR, phys_addr_bottom);
-	}
-
-	switch (icd->current_fmt->fourcc) {
-	case V4L2_PIX_FMT_NV12:
-	case V4L2_PIX_FMT_NV21:
-	case V4L2_PIX_FMT_NV16:
-	case V4L2_PIX_FMT_NV61:
-		phys_addr_top += icd->width * icd->height;
-		ceu_write(pcdev, CDACR, phys_addr_top);
-		if (pcdev->is_interlace) {
-			phys_addr_bottom = phys_addr_top + icd->width;
-			ceu_write(pcdev, CDBCR, phys_addr_bottom);
-		}
-	}
-
-	pcdev->active->state = VIDEOBUF_ACTIVE;
-	ceu_write(pcdev, CAPSR, 0x1); /* start capture */
-}
-
-static int sh_mobile_ceu_videobuf_prepare(struct videobuf_queue *vq,
-					  struct videobuf_buffer *vb,
-					  enum v4l2_field field)
-{
-	struct soc_camera_device *icd = vq->priv_data;
-	struct sh_mobile_ceu_buffer *buf;
-	int ret;
-
-	buf = container_of(vb, struct sh_mobile_ceu_buffer, vb);
-
-	dev_dbg(&icd->dev, "%s (vb=0x%p) 0x%08lx %zd\n", __func__,
-		vb, vb->baddr, vb->bsize);
-
-	/* Added list head initialization on alloc */
-	WARN_ON(!list_empty(&vb->queue));
-
-#ifdef DEBUG
-	/* This can be useful if you want to see if we actually fill
-	 * the buffer with something */
-	memset((void *)vb->baddr, 0xaa, vb->bsize);
-#endif
-
-	BUG_ON(NULL == icd->current_fmt);
-
-	if (buf->fmt	!= icd->current_fmt ||
-	    vb->width	!= icd->width ||
-	    vb->height	!= icd->height ||
-	    vb->field	!= field) {
-		buf->fmt	= icd->current_fmt;
-		vb->width	= icd->width;
-		vb->height	= icd->height;
-		vb->field	= field;
-		vb->state	= VIDEOBUF_NEEDS_INIT;
-	}
-
-	vb->size = vb->width * vb->height * ((buf->fmt->depth + 7) >> 3);
-	if (0 != vb->baddr && vb->bsize < vb->size) {
-		ret = -EINVAL;
-		goto out;
-	}
-
-	if (vb->state == VIDEOBUF_NEEDS_INIT) {
-		ret = videobuf_iolock(vq, vb, NULL);
-		if (ret)
-			goto fail;
-		vb->state = VIDEOBUF_PREPARED;
-	}
-
-	return 0;
-fail:
-	free_buffer(vq, buf);
-out:
-	return ret;
-}
-
-static void sh_mobile_ceu_videobuf_queue(struct videobuf_queue *vq,
-					 struct videobuf_buffer *vb)
-{
-	struct soc_camera_device *icd = vq->priv_data;
-	struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
-	struct sh_mobile_ceu_dev *pcdev = ici->priv;
-	unsigned long flags;
-
-	dev_dbg(&icd->dev, "%s (vb=0x%p) 0x%08lx %zd\n", __func__,
-		vb, vb->baddr, vb->bsize);
-
-	vb->state = VIDEOBUF_QUEUED;
-	spin_lock_irqsave(&pcdev->lock, flags);
-	list_add_tail(&vb->queue, &pcdev->capture);
-
-	if (!pcdev->active) {
-		pcdev->active = vb;
-		sh_mobile_ceu_capture(pcdev);
-	}
-
-	spin_unlock_irqrestore(&pcdev->lock, flags);
-}
-
-static void sh_mobile_ceu_videobuf_release(struct videobuf_queue *vq,
-					   struct videobuf_buffer *vb)
-{
-	free_buffer(vq, container_of(vb, struct sh_mobile_ceu_buffer, vb));
-}
-
-static struct videobuf_queue_ops sh_mobile_ceu_videobuf_ops = {
-	.buf_setup      = sh_mobile_ceu_videobuf_setup,
-	.buf_prepare    = sh_mobile_ceu_videobuf_prepare,
-	.buf_queue      = sh_mobile_ceu_videobuf_queue,
-	.buf_release    = sh_mobile_ceu_videobuf_release,
-};
-
-static irqreturn_t sh_mobile_ceu_irq(int irq, void *data)
-{
-	struct sh_mobile_ceu_dev *pcdev = data;
-	struct videobuf_buffer *vb;
-	unsigned long flags;
-
-	spin_lock_irqsave(&pcdev->lock, flags);
-
-	vb = pcdev->active;
-	list_del_init(&vb->queue);
-
-	if (!list_empty(&pcdev->capture))
-		pcdev->active = list_entry(pcdev->capture.next,
-					   struct videobuf_buffer, queue);
-	else
-		pcdev->active = NULL;
-
-	sh_mobile_ceu_capture(pcdev);
-
-	vb->state = VIDEOBUF_DONE;
-	do_gettimeofday(&vb->ts);
-	vb->field_count++;
-	wake_up(&vb->done);
-	spin_unlock_irqrestore(&pcdev->lock, flags);
-
-	return IRQ_HANDLED;
-}
-
-/* Called with .video_lock held */
-static int sh_mobile_ceu_add_device(struct soc_camera_device *icd)
-{
-	struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
-	struct sh_mobile_ceu_dev *pcdev = ici->priv;
-	int ret = -EBUSY;
-
-	if (pcdev->icd)
-		goto err;
-
-	dev_info(&icd->dev,
-		 "SuperH Mobile CEU driver attached to camera %d\n",
-		 icd->devnum);
-
-	ret = icd->ops->init(icd);
-	if (ret)
-		goto err;
-
-	clk_enable(pcdev->clk);
-
-	ceu_write(pcdev, CAPSR, 1 << 16); /* reset */
-	while (ceu_read(pcdev, CSTSR) & 1)
-		msleep(1);
-
-	pcdev->icd = icd;
-err:
-	return ret;
-}
-
-/* Called with .video_lock held */
-static void sh_mobile_ceu_remove_device(struct soc_camera_device *icd)
-{
-	struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
-	struct sh_mobile_ceu_dev *pcdev = ici->priv;
-	unsigned long flags;
-
-	BUG_ON(icd != pcdev->icd);
-
-	/* disable capture, disable interrupts */
-	ceu_write(pcdev, CEIER, 0);
-	ceu_write(pcdev, CAPSR, 1 << 16); /* reset */
-
-	/* make sure active buffer is canceled */
-	spin_lock_irqsave(&pcdev->lock, flags);
-	if (pcdev->active) {
-		list_del(&pcdev->active->queue);
-		pcdev->active->state = VIDEOBUF_ERROR;
-		wake_up_all(&pcdev->active->done);
-		pcdev->active = NULL;
-	}
-	spin_unlock_irqrestore(&pcdev->lock, flags);
-
-	clk_disable(pcdev->clk);
-
-	icd->ops->release(icd);
-
-	dev_info(&icd->dev,
-		 "SuperH Mobile CEU driver detached from camera %d\n",
-		 icd->devnum);
-
-	pcdev->icd = NULL;
-}
-
-static int sh_mobile_ceu_set_bus_param(struct soc_camera_device *icd,
-				       __u32 pixfmt)
-{
-	struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
-	struct sh_mobile_ceu_dev *pcdev = ici->priv;
-	int ret, buswidth, width, height, cfszr_width, cdwdr_width;
-	unsigned long camera_flags, common_flags, value;
-	int yuv_mode, yuv_lineskip;
-
-	camera_flags = icd->ops->query_bus_param(icd);
-	common_flags = soc_camera_bus_param_compatible(camera_flags,
-						       pcdev->pdata->flags);
-	if (!common_flags)
-		return -EINVAL;
-
-	ret = icd->ops->set_bus_param(icd, common_flags);
-	if (ret < 0)
-		return ret;
-
-	switch (common_flags & SOCAM_DATAWIDTH_MASK) {
-	case SOCAM_DATAWIDTH_8:
-		buswidth = 8;
-		break;
-	case SOCAM_DATAWIDTH_16:
-		buswidth = 16;
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	ceu_write(pcdev, CRCNTR, 0);
-	ceu_write(pcdev, CRCMPR, 0);
-
-	value = 0x00000010; /* data fetch by default */
-	yuv_mode = yuv_lineskip = 0;
-
-	switch (icd->current_fmt->fourcc) {
-	case V4L2_PIX_FMT_NV12:
-	case V4L2_PIX_FMT_NV21:
-		yuv_lineskip = 1; /* skip for NV12/21, no skip for NV16/61 */
-		/* fall-through */
-	case V4L2_PIX_FMT_NV16:
-	case V4L2_PIX_FMT_NV61:
-		yuv_mode = 1;
-		switch (pcdev->camera_fmt->fourcc) {
-		case V4L2_PIX_FMT_UYVY:
-			value = 0x00000000; /* Cb0, Y0, Cr0, Y1 */
-			break;
-		case V4L2_PIX_FMT_VYUY:
-			value = 0x00000100; /* Cr0, Y0, Cb0, Y1 */
-			break;
-		case V4L2_PIX_FMT_YUYV:
-			value = 0x00000200; /* Y0, Cb0, Y1, Cr0 */
-			break;
-		case V4L2_PIX_FMT_YVYU:
-			value = 0x00000300; /* Y0, Cr0, Y1, Cb0 */
-			break;
-		default:
-			BUG();
-		}
-	}
-
-	if (icd->current_fmt->fourcc == V4L2_PIX_FMT_NV21 ||
-	    icd->current_fmt->fourcc == V4L2_PIX_FMT_NV61)
-		value ^= 0x00000100; /* swap U, V to change from NV1x->NVx1 */
-
-	value |= common_flags & SOCAM_VSYNC_ACTIVE_LOW ? 1 << 1 : 0;
-	value |= common_flags & SOCAM_HSYNC_ACTIVE_LOW ? 1 << 0 : 0;
-	value |= buswidth == 16 ? 1 << 12 : 0;
-	ceu_write(pcdev, CAMCR, value);
-
-	ceu_write(pcdev, CAPCR, 0x00300000);
-	ceu_write(pcdev, CAIFR, (pcdev->is_interlace) ? 0x101 : 0);
-
-	mdelay(1);
-
-	if (yuv_mode) {
-		width = icd->width * 2;
-		width = buswidth == 16 ? width / 2 : width;
-		cfszr_width = cdwdr_width = icd->width;
-	} else {
-		width = icd->width * ((icd->current_fmt->depth + 7) >> 3);
-		width = buswidth == 16 ? width / 2 : width;
-		cfszr_width = buswidth == 8 ? width / 2 : width;
-		cdwdr_width = buswidth == 16 ? width * 2 : width;
-	}
-
-	height = icd->height;
-	if (pcdev->is_interlace) {
-		height /= 2;
-		cdwdr_width *= 2;
-	}
-
-	ceu_write(pcdev, CAMOR, 0);
-	ceu_write(pcdev, CAPWR, (height << 16) | width);
-	ceu_write(pcdev, CFLCR, 0); /* no scaling */
-	ceu_write(pcdev, CFSZR, (height << 16) | cfszr_width);
-	ceu_write(pcdev, CLFCR, 0); /* no lowpass filter */
-
-	/* A few words about byte order (observed in Big Endian mode)
-	 *
-	 * In data fetch mode bytes are received in chunks of 8 bytes.
-	 * D0, D1, D2, D3, D4, D5, D6, D7 (D0 received first)
-	 *
-	 * The data is however by default written to memory in reverse order:
-	 * D7, D6, D5, D4, D3, D2, D1, D0 (D7 written to lowest byte)
-	 *
-	 * The lowest three bits of CDOCR allows us to do swapping,
-	 * using 7 we swap the data bytes to match the incoming order:
-	 * D0, D1, D2, D3, D4, D5, D6, D7
-	 */
-	value = 0x00000017;
-	if (yuv_lineskip)
-		value &= ~0x00000010; /* convert 4:2:2 -> 4:2:0 */
-
-	ceu_write(pcdev, CDOCR, value);
-
-	ceu_write(pcdev, CDWDR, cdwdr_width);
-	ceu_write(pcdev, CFWCR, 0); /* keep "datafetch firewall" disabled */
-
-	/* not in bundle mode: skip CBDSR, CDAYR2, CDACR2, CDBYR2, CDBCR2 */
-	return 0;
-}
-
-static int sh_mobile_ceu_try_bus_param(struct soc_camera_device *icd)
-{
-	struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
-	struct sh_mobile_ceu_dev *pcdev = ici->priv;
-	unsigned long camera_flags, common_flags;
-
-	camera_flags = icd->ops->query_bus_param(icd);
-	common_flags = soc_camera_bus_param_compatible(camera_flags,
-						       pcdev->pdata->flags);
-	if (!common_flags)
-		return -EINVAL;
-
-	return 0;
-}
-
-static const struct soc_camera_data_format sh_mobile_ceu_formats[] = {
-	{
-		.name		= "NV12",
-		.depth		= 12,
-		.fourcc		= V4L2_PIX_FMT_NV12,
-		.colorspace	= V4L2_COLORSPACE_JPEG,
-	},
-	{
-		.name		= "NV21",
-		.depth		= 12,
-		.fourcc		= V4L2_PIX_FMT_NV21,
-		.colorspace	= V4L2_COLORSPACE_JPEG,
-	},
-	{
-		.name		= "NV16",
-		.depth		= 16,
-		.fourcc		= V4L2_PIX_FMT_NV16,
-		.colorspace	= V4L2_COLORSPACE_JPEG,
-	},
-	{
-		.name		= "NV61",
-		.depth		= 16,
-		.fourcc		= V4L2_PIX_FMT_NV61,
-		.colorspace	= V4L2_COLORSPACE_JPEG,
-	},
-};
-
-static int sh_mobile_ceu_get_formats(struct soc_camera_device *icd, int idx,
-				     struct soc_camera_format_xlate *xlate)
-{
-	struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
-	int ret, k, n;
-	int formats = 0;
-
-	ret = sh_mobile_ceu_try_bus_param(icd);
-	if (ret < 0)
-		return 0;
-
-	switch (icd->formats[idx].fourcc) {
-	case V4L2_PIX_FMT_UYVY:
-	case V4L2_PIX_FMT_VYUY:
-	case V4L2_PIX_FMT_YUYV:
-	case V4L2_PIX_FMT_YVYU:
-		n = ARRAY_SIZE(sh_mobile_ceu_formats);
-		formats += n;
-		for (k = 0; xlate && k < n; k++) {
-			xlate->host_fmt = &sh_mobile_ceu_formats[k];
-			xlate->cam_fmt = icd->formats + idx;
-			xlate->buswidth = icd->formats[idx].depth;
-			xlate++;
-			dev_dbg(&ici->dev, "Providing format %s using %s\n",
-				sh_mobile_ceu_formats[k].name,
-				icd->formats[idx].name);
-		}
-	default:
-		/* Generic pass-through */
-		formats++;
-		if (xlate) {
-			xlate->host_fmt = icd->formats + idx;
-			xlate->cam_fmt = icd->formats + idx;
-			xlate->buswidth = icd->formats[idx].depth;
-			xlate++;
-			dev_dbg(&ici->dev,
-				"Providing format %s in pass-through mode\n",
-				icd->formats[idx].name);
-		}
-	}
-
-	return formats;
-}
-
-static int sh_mobile_ceu_set_fmt(struct soc_camera_device *icd,
-				 __u32 pixfmt, struct v4l2_rect *rect)
-{
-	struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
-	struct sh_mobile_ceu_dev *pcdev = ici->priv;
-	const struct soc_camera_format_xlate *xlate;
-	int ret;
-
-	if (!pixfmt)
-		return icd->ops->set_fmt(icd, pixfmt, rect);
-
-	xlate = soc_camera_xlate_by_fourcc(icd, pixfmt);
-	if (!xlate) {
-		dev_warn(&ici->dev, "Format %x not found\n", pixfmt);
-		return -EINVAL;
-	}
-
-	ret = icd->ops->set_fmt(icd, xlate->cam_fmt->fourcc, rect);
-
-	if (!ret) {
-		icd->buswidth = xlate->buswidth;
-		icd->current_fmt = xlate->host_fmt;
-		pcdev->camera_fmt = xlate->cam_fmt;
-	}
-
-	return ret;
-}
-
-static int sh_mobile_ceu_try_fmt(struct soc_camera_device *icd,
-				 struct v4l2_format *f)
-{
-	struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
-	struct sh_mobile_ceu_dev *pcdev = ici->priv;
-	const struct soc_camera_format_xlate *xlate;
-	__u32 pixfmt = f->fmt.pix.pixelformat;
-	int ret;
-
-	xlate = soc_camera_xlate_by_fourcc(icd, pixfmt);
-	if (!xlate) {
-		dev_warn(&ici->dev, "Format %x not found\n", pixfmt);
-		return -EINVAL;
-	}
-
-	/* FIXME: calculate using depth and bus width */
-
-	if (f->fmt.pix.height < 4)
-		f->fmt.pix.height = 4;
-	if (f->fmt.pix.height > 1920)
-		f->fmt.pix.height = 1920;
-	if (f->fmt.pix.width < 2)
-		f->fmt.pix.width = 2;
-	if (f->fmt.pix.width > 2560)
-		f->fmt.pix.width = 2560;
-	f->fmt.pix.width &= ~0x01;
-	f->fmt.pix.height &= ~0x03;
-
-	f->fmt.pix.bytesperline = f->fmt.pix.width *
-		DIV_ROUND_UP(xlate->host_fmt->depth, 8);
-	f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline;
-
-	/* limit to sensor capabilities */
-	ret = icd->ops->try_fmt(icd, f);
-	if (ret < 0)
-		return ret;
-
-	switch (f->fmt.pix.field) {
-	case V4L2_FIELD_INTERLACED:
-		pcdev->is_interlace = 1;
-		break;
-	case V4L2_FIELD_ANY:
-		f->fmt.pix.field = V4L2_FIELD_NONE;
-		/* fall-through */
-	case V4L2_FIELD_NONE:
-		pcdev->is_interlace = 0;
-		break;
-	default:
-		ret = -EINVAL;
-		break;
-	}
-
-	return ret;
-}
-
-static int sh_mobile_ceu_reqbufs(struct soc_camera_file *icf,
-				 struct v4l2_requestbuffers *p)
-{
-	int i;
-
-	/* This is for locking debugging only. I removed spinlocks and now I
-	 * check whether .prepare is ever called on a linked buffer, or whether
-	 * a dma IRQ can occur for an in-work or unlinked buffer. Until now
-	 * it hadn't triggered */
-	for (i = 0; i < p->count; i++) {
-		struct sh_mobile_ceu_buffer *buf;
-
-		buf = container_of(icf->vb_vidq.bufs[i],
-				   struct sh_mobile_ceu_buffer, vb);
-		INIT_LIST_HEAD(&buf->vb.queue);
-	}
-
-	return 0;
-}
-
-static unsigned int sh_mobile_ceu_poll(struct file *file, poll_table *pt)
-{
-	struct soc_camera_file *icf = file->private_data;
-	struct sh_mobile_ceu_buffer *buf;
-
-	buf = list_entry(icf->vb_vidq.stream.next,
-			 struct sh_mobile_ceu_buffer, vb.stream);
-
-	poll_wait(file, &buf->vb.done, pt);
-
-	if (buf->vb.state == VIDEOBUF_DONE ||
-	    buf->vb.state == VIDEOBUF_ERROR)
-		return POLLIN|POLLRDNORM;
-
-	return 0;
-}
-
-static int sh_mobile_ceu_querycap(struct soc_camera_host *ici,
-				  struct v4l2_capability *cap)
-{
-	strlcpy(cap->card, "SuperH_Mobile_CEU", sizeof(cap->card));
-	cap->version = KERNEL_VERSION(0, 0, 5);
-	cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING;
-	return 0;
-}
-
-static void sh_mobile_ceu_init_videobuf(struct videobuf_queue *q,
-					struct soc_camera_device *icd)
-{
-	struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
-	struct sh_mobile_ceu_dev *pcdev = ici->priv;
-
-	videobuf_queue_dma_contig_init(q,
-				       &sh_mobile_ceu_videobuf_ops,
-				       &ici->dev, &pcdev->lock,
-				       V4L2_BUF_TYPE_VIDEO_CAPTURE,
-				       V4L2_FIELD_ANY,
-				       sizeof(struct sh_mobile_ceu_buffer),
-				       icd);
-}
-
-static struct soc_camera_host_ops sh_mobile_ceu_host_ops = {
-	.owner		= THIS_MODULE,
-	.add		= sh_mobile_ceu_add_device,
-	.remove		= sh_mobile_ceu_remove_device,
-	.get_formats	= sh_mobile_ceu_get_formats,
-	.set_fmt	= sh_mobile_ceu_set_fmt,
-	.try_fmt	= sh_mobile_ceu_try_fmt,
-	.reqbufs	= sh_mobile_ceu_reqbufs,
-	.poll		= sh_mobile_ceu_poll,
-	.querycap	= sh_mobile_ceu_querycap,
-	.set_bus_param	= sh_mobile_ceu_set_bus_param,
-	.init_videobuf	= sh_mobile_ceu_init_videobuf,
-};
-
-static int sh_mobile_ceu_probe(struct platform_device *pdev)
-{
-	struct sh_mobile_ceu_dev *pcdev;
-	struct resource *res;
-	void __iomem *base;
-	char clk_name[8];
-	unsigned int irq;
-	int err = 0;
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	irq = platform_get_irq(pdev, 0);
-	if (!res || !irq) {
-		dev_err(&pdev->dev, "Not enough CEU platform resources.\n");
-		err = -ENODEV;
-		goto exit;
-	}
-
-	pcdev = kzalloc(sizeof(*pcdev), GFP_KERNEL);
-	if (!pcdev) {
-		dev_err(&pdev->dev, "Could not allocate pcdev\n");
-		err = -ENOMEM;
-		goto exit;
-	}
-
-	platform_set_drvdata(pdev, pcdev);
-	INIT_LIST_HEAD(&pcdev->capture);
-	spin_lock_init(&pcdev->lock);
-
-	pcdev->pdata = pdev->dev.platform_data;
-	if (!pcdev->pdata) {
-		err = -EINVAL;
-		dev_err(&pdev->dev, "CEU platform data not set.\n");
-		goto exit_kfree;
-	}
-
-	base = ioremap_nocache(res->start, res->end - res->start + 1);
-	if (!base) {
-		err = -ENXIO;
-		dev_err(&pdev->dev, "Unable to ioremap CEU registers.\n");
-		goto exit_kfree;
-	}
-
-	pcdev->irq = irq;
-	pcdev->base = base;
-	pcdev->video_limit = 0; /* only enabled if second resource exists */
-	pcdev->dev = &pdev->dev;
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
-	if (res) {
-		err = dma_declare_coherent_memory(&pdev->dev, res->start,
-						  res->start,
-						  (res->end - res->start) + 1,
-						  DMA_MEMORY_MAP |
-						  DMA_MEMORY_EXCLUSIVE);
-		if (!err) {
-			dev_err(&pdev->dev, "Unable to declare CEU memory.\n");
-			err = -ENXIO;
-			goto exit_iounmap;
-		}
-
-		pcdev->video_limit = (res->end - res->start) + 1;
-	}
-
-	/* request irq */
-	err = request_irq(pcdev->irq, sh_mobile_ceu_irq, IRQF_DISABLED,
-			  dev_name(&pdev->dev), pcdev);
-	if (err) {
-		dev_err(&pdev->dev, "Unable to register CEU interrupt.\n");
-		goto exit_release_mem;
-	}
-
-	snprintf(clk_name, sizeof(clk_name), "ceu%d", pdev->id);
-	pcdev->clk = clk_get(&pdev->dev, clk_name);
-	if (IS_ERR(pcdev->clk)) {
-		dev_err(&pdev->dev, "cannot get clock \"%s\"\n", clk_name);
-		err = PTR_ERR(pcdev->clk);
-		goto exit_free_irq;
-	}
-
-	pcdev->ici.priv = pcdev;
-	pcdev->ici.dev.parent = &pdev->dev;
-	pcdev->ici.nr = pdev->id;
-	pcdev->ici.drv_name = dev_name(&pdev->dev);
-	pcdev->ici.ops = &sh_mobile_ceu_host_ops;
-
-	err = soc_camera_host_register(&pcdev->ici);
-	if (err)
-		goto exit_free_clk;
-
-	return 0;
-
-exit_free_clk:
-	clk_put(pcdev->clk);
-exit_free_irq:
-	free_irq(pcdev->irq, pcdev);
-exit_release_mem:
-	if (platform_get_resource(pdev, IORESOURCE_MEM, 1))
-		dma_release_declared_memory(&pdev->dev);
-exit_iounmap:
-	iounmap(base);
-exit_kfree:
-	kfree(pcdev);
-exit:
-	return err;
-}
-
-static int sh_mobile_ceu_remove(struct platform_device *pdev)
-{
-	struct sh_mobile_ceu_dev *pcdev = platform_get_drvdata(pdev);
-
-	soc_camera_host_unregister(&pcdev->ici);
-	clk_put(pcdev->clk);
-	free_irq(pcdev->irq, pcdev);
-	if (platform_get_resource(pdev, IORESOURCE_MEM, 1))
-		dma_release_declared_memory(&pdev->dev);
-	iounmap(pcdev->base);
-	kfree(pcdev);
-	return 0;
-}
-
-static struct platform_driver sh_mobile_ceu_driver = {
-	.driver 	= {
-		.name	= "sh_mobile_ceu",
-	},
-	.probe		= sh_mobile_ceu_probe,
-	.remove		= sh_mobile_ceu_remove,
-};
-
-static int __init sh_mobile_ceu_init(void)
-{
-	return platform_driver_register(&sh_mobile_ceu_driver);
-}
-
-static void __exit sh_mobile_ceu_exit(void)
-{
-	platform_driver_unregister(&sh_mobile_ceu_driver);
-}
-
-module_init(sh_mobile_ceu_init);
-module_exit(sh_mobile_ceu_exit);
-
-MODULE_DESCRIPTION("SuperH Mobile CEU driver");
-MODULE_AUTHOR("Magnus Damm");
-MODULE_LICENSE("GPL");