1 files changed, 229 insertions, 132 deletions

diff --git a/drivers/media/video/pxa_camera.c b/drivers/media/video/pxa_camera.c
index 016bb45ba0c..51b683c63b7 100644
--- a/drivers/media/video/pxa_camera.c
+++ b/drivers/media/video/pxa_camera.c
@@ -26,6 +26,7 @@
 #include <linux/device.h>
 #include <linux/platform_device.h>
 #include <linux/clk.h>
+#include <linux/sched.h>
 
 #include <media/v4l2-common.h>
 #include <media/v4l2-dev.h>
@@ -225,6 +226,10 @@ struct pxa_camera_dev {
 	u32			save_cicr[5];
 };
 
+struct pxa_cam {
+	unsigned long flags;
+};
+
 static const char *pxa_cam_driver_description = "PXA_Camera";
 
 static unsigned int vid_limit = 16;	/* Video memory limit, in Mb */
@@ -237,9 +242,9 @@ static int pxa_videobuf_setup(struct videobuf_queue *vq, unsigned int *count,
 {
 	struct soc_camera_device *icd = vq->priv_data;
 
-	dev_dbg(&icd->dev, "count=%d, size=%d\n", *count, *size);
+	dev_dbg(icd->dev.parent, "count=%d, size=%d\n", *count, *size);
 
-	*size = roundup(icd->width * icd->height *
+	*size = roundup(icd->user_width * icd->user_height *
 			((icd->current_fmt->depth + 7) >> 3), 8);
 
 	if (0 == *count)
@@ -259,7 +264,7 @@ static void free_buffer(struct videobuf_queue *vq, struct pxa_buffer *buf)
 
 	BUG_ON(in_interrupt());
 
-	dev_dbg(&icd->dev, "%s (vb=0x%p) 0x%08lx %d\n", __func__,
+	dev_dbg(icd->dev.parent, "%s (vb=0x%p) 0x%08lx %d\n", __func__,
 		&buf->vb, buf->vb.baddr, buf->vb.bsize);
 
 	/* This waits until this buffer is out of danger, i.e., until it is no
@@ -270,7 +275,8 @@ static void free_buffer(struct videobuf_queue *vq, struct pxa_buffer *buf)
 
 	for (i = 0; i < ARRAY_SIZE(buf->dmas); i++) {
 		if (buf->dmas[i].sg_cpu)
-			dma_free_coherent(ici->dev, buf->dmas[i].sg_size,
+			dma_free_coherent(ici->v4l2_dev.dev,
+					  buf->dmas[i].sg_size,
 					  buf->dmas[i].sg_cpu,
 					  buf->dmas[i].sg_dma);
 		buf->dmas[i].sg_cpu = NULL;
@@ -325,19 +331,20 @@ static int pxa_init_dma_channel(struct pxa_camera_dev *pcdev,
 				struct scatterlist **sg_first, int *sg_first_ofs)
 {
 	struct pxa_cam_dma *pxa_dma = &buf->dmas[channel];
+	struct device *dev = pcdev->soc_host.v4l2_dev.dev;
 	struct scatterlist *sg;
 	int i, offset, sglen;
 	int dma_len = 0, xfer_len = 0;
 
 	if (pxa_dma->sg_cpu)
-		dma_free_coherent(pcdev->soc_host.dev, pxa_dma->sg_size,
+		dma_free_coherent(dev, pxa_dma->sg_size,
 				  pxa_dma->sg_cpu, pxa_dma->sg_dma);
 
 	sglen = calculate_dma_sglen(*sg_first, dma->sglen,
 				    *sg_first_ofs, size);
 
 	pxa_dma->sg_size = (sglen + 1) * sizeof(struct pxa_dma_desc);
-	pxa_dma->sg_cpu = dma_alloc_coherent(pcdev->soc_host.dev, pxa_dma->sg_size,
+	pxa_dma->sg_cpu = dma_alloc_coherent(dev, pxa_dma->sg_size,
 					     &pxa_dma->sg_dma, GFP_KERNEL);
 	if (!pxa_dma->sg_cpu)
 		return -ENOMEM;
@@ -345,7 +352,7 @@ static int pxa_init_dma_channel(struct pxa_camera_dev *pcdev,
 	pxa_dma->sglen = sglen;
 	offset = *sg_first_ofs;
 
-	dev_dbg(pcdev->soc_host.dev, "DMA: sg_first=%p, sglen=%d, ofs=%d, dma.desc=%x\n",
+	dev_dbg(dev, "DMA: sg_first=%p, sglen=%d, ofs=%d, dma.desc=%x\n",
 		*sg_first, sglen, *sg_first_ofs, pxa_dma->sg_dma);
 
 
@@ -368,7 +375,7 @@ static int pxa_init_dma_channel(struct pxa_camera_dev *pcdev,
 		pxa_dma->sg_cpu[i].ddadr =
 			pxa_dma->sg_dma + (i + 1) * sizeof(struct pxa_dma_desc);
 
-		dev_vdbg(pcdev->soc_host.dev, "DMA: desc.%08x->@phys=0x%08x, len=%d\n",
+		dev_vdbg(dev, "DMA: desc.%08x->@phys=0x%08x, len=%d\n",
 			 pxa_dma->sg_dma + i * sizeof(struct pxa_dma_desc),
 			 sg_dma_address(sg) + offset, xfer_len);
 		offset = 0;
@@ -418,11 +425,12 @@ static int pxa_videobuf_prepare(struct videobuf_queue *vq,
 	struct soc_camera_device *icd = vq->priv_data;
 	struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
 	struct pxa_camera_dev *pcdev = ici->priv;
+	struct device *dev = pcdev->soc_host.v4l2_dev.dev;
 	struct pxa_buffer *buf = container_of(vb, struct pxa_buffer, vb);
 	int ret;
 	int size_y, size_u = 0, size_v = 0;
 
-	dev_dbg(&icd->dev, "%s (vb=0x%p) 0x%08lx %d\n", __func__,
+	dev_dbg(dev, "%s (vb=0x%p) 0x%08lx %d\n", __func__,
 		vb, vb->baddr, vb->bsize);
 
 	/* Added list head initialization on alloc */
@@ -441,12 +449,12 @@ static int pxa_videobuf_prepare(struct videobuf_queue *vq,
 	buf->inwork = 1;
 
 	if (buf->fmt	!= icd->current_fmt ||
-	    vb->width	!= icd->width ||
-	    vb->height	!= icd->height ||
+	    vb->width	!= icd->user_width ||
+	    vb->height	!= icd->user_height ||
 	    vb->field	!= field) {
 		buf->fmt	= icd->current_fmt;
-		vb->width	= icd->width;
-		vb->height	= icd->height;
+		vb->width	= icd->user_width;
+		vb->height	= icd->user_height;
 		vb->field	= field;
 		vb->state	= VIDEOBUF_NEEDS_INIT;
 	}
@@ -480,8 +488,7 @@ static int pxa_videobuf_prepare(struct videobuf_queue *vq,
 		ret = pxa_init_dma_channel(pcdev, buf, dma, 0, CIBR0, size_y,
 					   &sg, &next_ofs);
 		if (ret) {
-			dev_err(pcdev->soc_host.dev,
-				"DMA initialization for Y/RGB failed\n");
+			dev_err(dev, "DMA initialization for Y/RGB failed\n");
 			goto fail;
 		}
 
@@ -490,8 +497,7 @@ static int pxa_videobuf_prepare(struct videobuf_queue *vq,
 			ret = pxa_init_dma_channel(pcdev, buf, dma, 1, CIBR1,
 						   size_u, &sg, &next_ofs);
 		if (ret) {
-			dev_err(pcdev->soc_host.dev,
-				"DMA initialization for U failed\n");
+			dev_err(dev, "DMA initialization for U failed\n");
 			goto fail_u;
 		}
 
@@ -500,8 +506,7 @@ static int pxa_videobuf_prepare(struct videobuf_queue *vq,
 			ret = pxa_init_dma_channel(pcdev, buf, dma, 2, CIBR2,
 						   size_v, &sg, &next_ofs);
 		if (ret) {
-			dev_err(pcdev->soc_host.dev,
-				"DMA initialization for V failed\n");
+			dev_err(dev, "DMA initialization for V failed\n");
 			goto fail_v;
 		}
 
@@ -514,10 +519,10 @@ static int pxa_videobuf_prepare(struct videobuf_queue *vq,
 	return 0;
 
 fail_v:
-	dma_free_coherent(pcdev->soc_host.dev, buf->dmas[1].sg_size,
+	dma_free_coherent(dev, buf->dmas[1].sg_size,
 			  buf->dmas[1].sg_cpu, buf->dmas[1].sg_dma);
 fail_u:
-	dma_free_coherent(pcdev->soc_host.dev, buf->dmas[0].sg_size,
+	dma_free_coherent(dev, buf->dmas[0].sg_size,
 			  buf->dmas[0].sg_cpu, buf->dmas[0].sg_dma);
 fail:
 	free_buffer(vq, buf);
@@ -541,7 +546,8 @@ static void pxa_dma_start_channels(struct pxa_camera_dev *pcdev)
 	active = pcdev->active;
 
 	for (i = 0; i < pcdev->channels; i++) {
-		dev_dbg(pcdev->soc_host.dev, "%s (channel=%d) ddadr=%08x\n", __func__,
+		dev_dbg(pcdev->soc_host.v4l2_dev.dev,
+			"%s (channel=%d) ddadr=%08x\n", __func__,
 			i, active->dmas[i].sg_dma);
 		DDADR(pcdev->dma_chans[i]) = active->dmas[i].sg_dma;
 		DCSR(pcdev->dma_chans[i]) = DCSR_RUN;
@@ -553,7 +559,8 @@ static void pxa_dma_stop_channels(struct pxa_camera_dev *pcdev)
 	int i;
 
 	for (i = 0; i < pcdev->channels; i++) {
-		dev_dbg(pcdev->soc_host.dev, "%s (channel=%d)\n", __func__, i);
+		dev_dbg(pcdev->soc_host.v4l2_dev.dev,
+			"%s (channel=%d)\n", __func__, i);
 		DCSR(pcdev->dma_chans[i]) = 0;
 	}
 }
@@ -589,7 +596,7 @@ static void pxa_camera_start_capture(struct pxa_camera_dev *pcdev)
 {
 	unsigned long cicr0, cifr;
 
-	dev_dbg(pcdev->soc_host.dev, "%s\n", __func__);
+	dev_dbg(pcdev->soc_host.v4l2_dev.dev, "%s\n", __func__);
 	/* Reset the FIFOs */
 	cifr = __raw_readl(pcdev->base + CIFR) | CIFR_RESET_F;
 	__raw_writel(cifr, pcdev->base + CIFR);
@@ -609,7 +616,7 @@ static void pxa_camera_stop_capture(struct pxa_camera_dev *pcdev)
 	__raw_writel(cicr0, pcdev->base + CICR0);
 
 	pcdev->active = NULL;
-	dev_dbg(pcdev->soc_host.dev, "%s\n", __func__);
+	dev_dbg(pcdev->soc_host.v4l2_dev.dev, "%s\n", __func__);
 }
 
 /* Called under spinlock_irqsave(&pcdev->lock, ...) */
@@ -621,8 +628,8 @@ static void pxa_videobuf_queue(struct videobuf_queue *vq,
 	struct pxa_camera_dev *pcdev = ici->priv;
 	struct pxa_buffer *buf = container_of(vb, struct pxa_buffer, vb);
 
-	dev_dbg(&icd->dev, "%s (vb=0x%p) 0x%08lx %d active=%p\n", __func__,
-		vb, vb->baddr, vb->bsize, pcdev->active);
+	dev_dbg(icd->dev.parent, "%s (vb=0x%p) 0x%08lx %d active=%p\n",
+		__func__, vb, vb->baddr, vb->bsize, pcdev->active);
 
 	list_add_tail(&vb->queue, &pcdev->capture);
 
@@ -639,22 +646,23 @@ static void pxa_videobuf_release(struct videobuf_queue *vq,
 	struct pxa_buffer *buf = container_of(vb, struct pxa_buffer, vb);
 #ifdef DEBUG
 	struct soc_camera_device *icd = vq->priv_data;
+	struct device *dev = icd->dev.parent;
 
-	dev_dbg(&icd->dev, "%s (vb=0x%p) 0x%08lx %d\n", __func__,
+	dev_dbg(dev, "%s (vb=0x%p) 0x%08lx %d\n", __func__,
 		vb, vb->baddr, vb->bsize);
 
 	switch (vb->state) {
 	case VIDEOBUF_ACTIVE:
-		dev_dbg(&icd->dev, "%s (active)\n", __func__);
+		dev_dbg(dev, "%s (active)\n", __func__);
 		break;
 	case VIDEOBUF_QUEUED:
-		dev_dbg(&icd->dev, "%s (queued)\n", __func__);
+		dev_dbg(dev, "%s (queued)\n", __func__);
 		break;
 	case VIDEOBUF_PREPARED:
-		dev_dbg(&icd->dev, "%s (prepared)\n", __func__);
+		dev_dbg(dev, "%s (prepared)\n", __func__);
 		break;
 	default:
-		dev_dbg(&icd->dev, "%s (unknown)\n", __func__);
+		dev_dbg(dev, "%s (unknown)\n", __func__);
 		break;
 	}
 #endif
@@ -674,7 +682,8 @@ static void pxa_camera_wakeup(struct pxa_camera_dev *pcdev,
 	do_gettimeofday(&vb->ts);
 	vb->field_count++;
 	wake_up(&vb->done);
-	dev_dbg(pcdev->soc_host.dev, "%s dequeud buffer (vb=0x%p)\n", __func__, vb);
+	dev_dbg(pcdev->soc_host.v4l2_dev.dev, "%s dequeud buffer (vb=0x%p)\n",
+		__func__, vb);
 
 	if (list_empty(&pcdev->capture)) {
 		pxa_camera_stop_capture(pcdev);
@@ -710,7 +719,8 @@ static void pxa_camera_check_link_miss(struct pxa_camera_dev *pcdev)
 	for (i = 0; i < pcdev->channels; i++)
 		if (DDADR(pcdev->dma_chans[i]) != DDADR_STOP)
 			is_dma_stopped = 0;
-	dev_dbg(pcdev->soc_host.dev, "%s : top queued buffer=%p, dma_stopped=%d\n",
+	dev_dbg(pcdev->soc_host.v4l2_dev.dev,
+		"%s : top queued buffer=%p, dma_stopped=%d\n",
 		__func__, pcdev->active, is_dma_stopped);
 	if (pcdev->active && is_dma_stopped)
 		pxa_camera_start_capture(pcdev);
@@ -719,6 +729,7 @@ static void pxa_camera_check_link_miss(struct pxa_camera_dev *pcdev)
 static void pxa_camera_dma_irq(int channel, struct pxa_camera_dev *pcdev,
 			       enum pxa_camera_active_dma act_dma)
 {
+	struct device *dev = pcdev->soc_host.v4l2_dev.dev;
 	struct pxa_buffer *buf;
 	unsigned long flags;
 	u32 status, camera_status, overrun;
@@ -735,13 +746,13 @@ static void pxa_camera_dma_irq(int channel, struct pxa_camera_dev *pcdev,
 		overrun |= CISR_IFO_1 | CISR_IFO_2;
 
 	if (status & DCSR_BUSERR) {
-		dev_err(pcdev->soc_host.dev, "DMA Bus Error IRQ!\n");
+		dev_err(dev, "DMA Bus Error IRQ!\n");
 		goto out;
 	}
 
 	if (!(status & (DCSR_ENDINTR | DCSR_STARTINTR))) {
-		dev_err(pcdev->soc_host.dev, "Unknown DMA IRQ source, "
-			"status: 0x%08x\n", status);
+		dev_err(dev, "Unknown DMA IRQ source, status: 0x%08x\n",
+			status);
 		goto out;
 	}
 
@@ -764,7 +775,7 @@ static void pxa_camera_dma_irq(int channel, struct pxa_camera_dev *pcdev,
 	buf = container_of(vb, struct pxa_buffer, vb);
 	WARN_ON(buf->inwork || list_empty(&vb->queue));
 
-	dev_dbg(pcdev->soc_host.dev, "%s channel=%d %s%s(vb=0x%p) dma.desc=%x\n",
+	dev_dbg(dev, "%s channel=%d %s%s(vb=0x%p) dma.desc=%x\n",
 		__func__, channel, status & DCSR_STARTINTR ? "SOF " : "",
 		status & DCSR_ENDINTR ? "EOF " : "", vb, DDADR(channel));
 
@@ -775,7 +786,7 @@ static void pxa_camera_dma_irq(int channel, struct pxa_camera_dev *pcdev,
 		 */
 		if (camera_status & overrun &&
 		    !list_is_last(pcdev->capture.next, &pcdev->capture)) {
-			dev_dbg(pcdev->soc_host.dev, "FIFO overrun! CISR: %x\n",
+			dev_dbg(dev, "FIFO overrun! CISR: %x\n",
 				camera_status);
 			pxa_camera_stop_capture(pcdev);
 			pxa_camera_start_capture(pcdev);
@@ -830,9 +841,11 @@ static void pxa_camera_init_videobuf(struct videobuf_queue *q,
 				sizeof(struct pxa_buffer), icd);
 }
 
-static u32 mclk_get_divisor(struct pxa_camera_dev *pcdev)
+static u32 mclk_get_divisor(struct platform_device *pdev,
+			    struct pxa_camera_dev *pcdev)
 {
 	unsigned long mclk = pcdev->mclk;
+	struct device *dev = &pdev->dev;
 	u32 div;
 	unsigned long lcdclk;
 
@@ -842,7 +855,7 @@ static u32 mclk_get_divisor(struct pxa_camera_dev *pcdev)
 	/* mclk <= ciclk / 4 (27.4.2) */
 	if (mclk > lcdclk / 4) {
 		mclk = lcdclk / 4;
-		dev_warn(pcdev->soc_host.dev, "Limiting master clock to %lu\n", mclk);
+		dev_warn(dev, "Limiting master clock to %lu\n", mclk);
 	}
 
 	/* We verify mclk != 0, so if anyone breaks it, here comes their Oops */
@@ -852,8 +865,8 @@ static u32 mclk_get_divisor(struct pxa_camera_dev *pcdev)
 	if (pcdev->platform_flags & PXA_CAMERA_MCLK_EN)
 		pcdev->mclk = lcdclk / (2 * (div + 1));
 
-	dev_dbg(pcdev->soc_host.dev, "LCD clock %luHz, target freq %luHz, "
-		"divisor %u\n", lcdclk, mclk, div);
+	dev_dbg(dev, "LCD clock %luHz, target freq %luHz, divisor %u\n",
+		lcdclk, mclk, div);
 
 	return div;
 }
@@ -870,14 +883,15 @@ static void recalculate_fifo_timeout(struct pxa_camera_dev *pcdev,
 static void pxa_camera_activate(struct pxa_camera_dev *pcdev)
 {
 	struct pxacamera_platform_data *pdata = pcdev->pdata;
+	struct device *dev = pcdev->soc_host.v4l2_dev.dev;
 	u32 cicr4 = 0;
 
-	dev_dbg(pcdev->soc_host.dev, "Registered platform device at %p data %p\n",
+	dev_dbg(dev, "Registered platform device at %p data %p\n",
 		pcdev, pdata);
 
 	if (pdata && pdata->init) {
-		dev_dbg(pcdev->soc_host.dev, "%s: Init gpios\n", __func__);
-		pdata->init(pcdev->soc_host.dev);
+		dev_dbg(dev, "%s: Init gpios\n", __func__);
+		pdata->init(dev);
 	}
 
 	/* disable all interrupts */
@@ -919,7 +933,8 @@ static irqreturn_t pxa_camera_irq(int irq, void *data)
 	struct videobuf_buffer *vb;
 
 	status = __raw_readl(pcdev->base + CISR);
-	dev_dbg(pcdev->soc_host.dev, "Camera interrupt status 0x%lx\n", status);
+	dev_dbg(pcdev->soc_host.v4l2_dev.dev,
+		"Camera interrupt status 0x%lx\n", status);
 
 	if (!status)
 		return IRQ_NONE;
@@ -951,24 +966,18 @@ static int pxa_camera_add_device(struct soc_camera_device *icd)
 {
 	struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
 	struct pxa_camera_dev *pcdev = ici->priv;
-	int ret;
 
-	if (pcdev->icd) {
-		ret = -EBUSY;
-		goto ebusy;
-	}
-
-	dev_info(&icd->dev, "PXA Camera driver attached to camera %d\n",
-		 icd->devnum);
+	if (pcdev->icd)
+		return -EBUSY;
 
 	pxa_camera_activate(pcdev);
-	ret = icd->ops->init(icd);
 
-	if (!ret)
-		pcdev->icd = icd;
+	pcdev->icd = icd;
 
-ebusy:
-	return ret;
+	dev_info(icd->dev.parent, "PXA Camera driver attached to camera %d\n",
+		 icd->devnum);
+
+	return 0;
 }
 
 /* Called with .video_lock held */
@@ -979,7 +988,7 @@ static void pxa_camera_remove_device(struct soc_camera_device *icd)
 
 	BUG_ON(icd != pcdev->icd);
 
-	dev_info(&icd->dev, "PXA Camera driver detached from camera %d\n",
+	dev_info(icd->dev.parent, "PXA Camera driver detached from camera %d\n",
 		 icd->devnum);
 
 	/* disable capture, disable interrupts */
@@ -990,8 +999,6 @@ static void pxa_camera_remove_device(struct soc_camera_device *icd)
 	DCSR(pcdev->dma_chans[1]) = 0;
 	DCSR(pcdev->dma_chans[2]) = 0;
 
-	icd->ops->release(icd);
-
 	pxa_camera_deactivate(pcdev);
 
 	pcdev->icd = NULL;
@@ -1039,57 +1046,17 @@ static int test_platform_param(struct pxa_camera_dev *pcdev,
 	return 0;
 }
 
-static int pxa_camera_set_bus_param(struct soc_camera_device *icd, __u32 pixfmt)
+static void pxa_camera_setup_cicr(struct soc_camera_device *icd,
+				  unsigned long flags, __u32 pixfmt)
 {
 	struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
 	struct pxa_camera_dev *pcdev = ici->priv;
-	unsigned long dw, bpp, bus_flags, camera_flags, common_flags;
+	unsigned long dw, bpp;
 	u32 cicr0, cicr1, cicr2, cicr3, cicr4 = 0;
-	int ret = test_platform_param(pcdev, icd->buswidth, &bus_flags);
-
-	if (ret < 0)
-		return ret;
-
-	camera_flags = icd->ops->query_bus_param(icd);
-
-	common_flags = soc_camera_bus_param_compatible(camera_flags, bus_flags);
-	if (!common_flags)
-		return -EINVAL;
-
-	pcdev->channels = 1;
-
-	/* Make choises, based on platform preferences */
-	if ((common_flags & SOCAM_HSYNC_ACTIVE_HIGH) &&
-	    (common_flags & SOCAM_HSYNC_ACTIVE_LOW)) {
-		if (pcdev->platform_flags & PXA_CAMERA_HSP)
-			common_flags &= ~SOCAM_HSYNC_ACTIVE_HIGH;
-		else
-			common_flags &= ~SOCAM_HSYNC_ACTIVE_LOW;
-	}
-
-	if ((common_flags & SOCAM_VSYNC_ACTIVE_HIGH) &&
-	    (common_flags & SOCAM_VSYNC_ACTIVE_LOW)) {
-		if (pcdev->platform_flags & PXA_CAMERA_VSP)
-			common_flags &= ~SOCAM_VSYNC_ACTIVE_HIGH;
-		else
-			common_flags &= ~SOCAM_VSYNC_ACTIVE_LOW;
-	}
-
-	if ((common_flags & SOCAM_PCLK_SAMPLE_RISING) &&
-	    (common_flags & SOCAM_PCLK_SAMPLE_FALLING)) {
-		if (pcdev->platform_flags & PXA_CAMERA_PCP)
-			common_flags &= ~SOCAM_PCLK_SAMPLE_RISING;
-		else
-			common_flags &= ~SOCAM_PCLK_SAMPLE_FALLING;
-	}
-
-	ret = icd->ops->set_bus_param(icd, common_flags);
-	if (ret < 0)
-		return ret;
 
 	/* Datawidth is now guaranteed to be equal to one of the three values.
 	 * We fix bit-per-pixel equal to data-width... */
-	switch (common_flags & SOCAM_DATAWIDTH_MASK) {
+	switch (flags & SOCAM_DATAWIDTH_MASK) {
 	case SOCAM_DATAWIDTH_10:
 		dw = 4;
 		bpp = 0x40;
@@ -1110,18 +1077,18 @@ static int pxa_camera_set_bus_param(struct soc_camera_device *icd, __u32 pixfmt)
 		cicr4 |= CICR4_PCLK_EN;
 	if (pcdev->platform_flags & PXA_CAMERA_MCLK_EN)
 		cicr4 |= CICR4_MCLK_EN;
-	if (common_flags & SOCAM_PCLK_SAMPLE_FALLING)
+	if (flags & SOCAM_PCLK_SAMPLE_FALLING)
 		cicr4 |= CICR4_PCP;
-	if (common_flags & SOCAM_HSYNC_ACTIVE_LOW)
+	if (flags & SOCAM_HSYNC_ACTIVE_LOW)
 		cicr4 |= CICR4_HSP;
-	if (common_flags & SOCAM_VSYNC_ACTIVE_LOW)
+	if (flags & SOCAM_VSYNC_ACTIVE_LOW)
 		cicr4 |= CICR4_VSP;
 
 	cicr0 = __raw_readl(pcdev->base + CICR0);
 	if (cicr0 & CICR0_ENB)
 		__raw_writel(cicr0 & ~CICR0_ENB, pcdev->base + CICR0);
 
-	cicr1 = CICR1_PPL_VAL(icd->width - 1) | bpp | dw;
+	cicr1 = CICR1_PPL_VAL(icd->user_width - 1) | bpp | dw;
 
 	switch (pixfmt) {
 	case V4L2_PIX_FMT_YUV422P:
@@ -1150,7 +1117,7 @@ static int pxa_camera_set_bus_param(struct soc_camera_device *icd, __u32 pixfmt)
 	}
 
 	cicr2 = 0;
-	cicr3 = CICR3_LPF_VAL(icd->height - 1) |
+	cicr3 = CICR3_LPF_VAL(icd->user_height - 1) |
 		CICR3_BFW_VAL(min((unsigned short)255, icd->y_skip_top));
 	cicr4 |= pcdev->mclk_divisor;
 
@@ -1164,6 +1131,59 @@ static int pxa_camera_set_bus_param(struct soc_camera_device *icd, __u32 pixfmt)
 		CICR0_SIM_MP : (CICR0_SL_CAP_EN | CICR0_SIM_SP));
 	cicr0 |= CICR0_DMAEN | CICR0_IRQ_MASK;
 	__raw_writel(cicr0, pcdev->base + CICR0);
+}
+
+static int pxa_camera_set_bus_param(struct soc_camera_device *icd, __u32 pixfmt)
+{
+	struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
+	struct pxa_camera_dev *pcdev = ici->priv;
+	unsigned long bus_flags, camera_flags, common_flags;
+	int ret = test_platform_param(pcdev, icd->buswidth, &bus_flags);
+	struct pxa_cam *cam = icd->host_priv;
+
+	if (ret < 0)
+		return ret;
+
+	camera_flags = icd->ops->query_bus_param(icd);
+
+	common_flags = soc_camera_bus_param_compatible(camera_flags, bus_flags);
+	if (!common_flags)
+		return -EINVAL;
+
+	pcdev->channels = 1;
+
+	/* Make choises, based on platform preferences */
+	if ((common_flags & SOCAM_HSYNC_ACTIVE_HIGH) &&
+	    (common_flags & SOCAM_HSYNC_ACTIVE_LOW)) {
+		if (pcdev->platform_flags & PXA_CAMERA_HSP)
+			common_flags &= ~SOCAM_HSYNC_ACTIVE_HIGH;
+		else
+			common_flags &= ~SOCAM_HSYNC_ACTIVE_LOW;
+	}
+
+	if ((common_flags & SOCAM_VSYNC_ACTIVE_HIGH) &&
+	    (common_flags & SOCAM_VSYNC_ACTIVE_LOW)) {
+		if (pcdev->platform_flags & PXA_CAMERA_VSP)
+			common_flags &= ~SOCAM_VSYNC_ACTIVE_HIGH;
+		else
+			common_flags &= ~SOCAM_VSYNC_ACTIVE_LOW;
+	}
+
+	if ((common_flags & SOCAM_PCLK_SAMPLE_RISING) &&
+	    (common_flags & SOCAM_PCLK_SAMPLE_FALLING)) {
+		if (pcdev->platform_flags & PXA_CAMERA_PCP)
+			common_flags &= ~SOCAM_PCLK_SAMPLE_RISING;
+		else
+			common_flags &= ~SOCAM_PCLK_SAMPLE_FALLING;
+	}
+
+	cam->flags = common_flags;
+
+	ret = icd->ops->set_bus_param(icd, common_flags);
+	if (ret < 0)
+		return ret;
+
+	pxa_camera_setup_cicr(icd, common_flags, pixfmt);
 
 	return 0;
 }
@@ -1227,8 +1247,9 @@ static int required_buswidth(const struct soc_camera_data_format *fmt)
 static int pxa_camera_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);
+	struct device *dev = icd->dev.parent;
 	int formats = 0, buswidth, ret;
+	struct pxa_cam *cam;
 
 	buswidth = required_buswidth(icd->formats + idx);
 
@@ -1239,6 +1260,16 @@ static int pxa_camera_get_formats(struct soc_camera_device *icd, int idx,
 	if (ret < 0)
 		return 0;
 
+	if (!icd->host_priv) {
+		cam = kzalloc(sizeof(*cam), GFP_KERNEL);
+		if (!cam)
+			return -ENOMEM;
+
+		icd->host_priv = cam;
+	} else {
+		cam = icd->host_priv;
+	}
+
 	switch (icd->formats[idx].fourcc) {
 	case V4L2_PIX_FMT_UYVY:
 		formats++;
@@ -1247,7 +1278,7 @@ static int pxa_camera_get_formats(struct soc_camera_device *icd, int idx,
 			xlate->cam_fmt = icd->formats + idx;
 			xlate->buswidth = buswidth;
 			xlate++;
-			dev_dbg(ici->dev, "Providing format %s using %s\n",
+			dev_dbg(dev, "Providing format %s using %s\n",
 				pxa_camera_formats[0].name,
 				icd->formats[idx].name);
 		}
@@ -1262,7 +1293,7 @@ static int pxa_camera_get_formats(struct soc_camera_device *icd, int idx,
 			xlate->cam_fmt = icd->formats + idx;
 			xlate->buswidth = buswidth;
 			xlate++;
-			dev_dbg(ici->dev, "Providing format %s packed\n",
+			dev_dbg(dev, "Providing format %s packed\n",
 				icd->formats[idx].name);
 		}
 		break;
@@ -1274,7 +1305,7 @@ static int pxa_camera_get_formats(struct soc_camera_device *icd, int idx,
 			xlate->cam_fmt = icd->formats + idx;
 			xlate->buswidth = icd->formats[idx].depth;
 			xlate++;
-			dev_dbg(ici->dev,
+			dev_dbg(dev,
 				"Providing format %s in pass-through mode\n",
 				icd->formats[idx].name);
 		}
@@ -1283,31 +1314,80 @@ static int pxa_camera_get_formats(struct soc_camera_device *icd, int idx,
 	return formats;
 }
 
+static void pxa_camera_put_formats(struct soc_camera_device *icd)
+{
+	kfree(icd->host_priv);
+	icd->host_priv = NULL;
+}
+
+static int pxa_camera_check_frame(struct v4l2_pix_format *pix)
+{
+	/* limit to pxa hardware capabilities */
+	return pix->height < 32 || pix->height > 2048 || pix->width < 48 ||
+		pix->width > 2048 || (pix->width & 0x01);
+}
+
 static int pxa_camera_set_crop(struct soc_camera_device *icd,
-			       struct v4l2_rect *rect)
+			       struct v4l2_crop *a)
 {
+	struct v4l2_rect *rect = &a->c;
 	struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
 	struct pxa_camera_dev *pcdev = ici->priv;
+	struct device *dev = icd->dev.parent;
+	struct v4l2_subdev *sd = soc_camera_to_subdev(icd);
 	struct soc_camera_sense sense = {
 		.master_clock = pcdev->mclk,
 		.pixel_clock_max = pcdev->ciclk / 4,
 	};
+	struct v4l2_format f;
+	struct v4l2_pix_format *pix = &f.fmt.pix, pix_tmp;
+	struct pxa_cam *cam = icd->host_priv;
 	int ret;
 
 	/* If PCLK is used to latch data from the sensor, check sense */
 	if (pcdev->platform_flags & PXA_CAMERA_PCLK_EN)
 		icd->sense = &sense;
 
-	ret = icd->ops->set_crop(icd, rect);
+	ret = v4l2_subdev_call(sd, video, s_crop, a);
 
 	icd->sense = NULL;
 
 	if (ret < 0) {
-		dev_warn(ici->dev, "Failed to crop to %ux%u@%u:%u\n",
+		dev_warn(dev, "Failed to crop to %ux%u@%u:%u\n",
 			 rect->width, rect->height, rect->left, rect->top);
-	} else if (sense.flags & SOCAM_SENSE_PCLK_CHANGED) {
+		return ret;
+	}
+
+	f.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+
+	ret = v4l2_subdev_call(sd, video, g_fmt, &f);
+	if (ret < 0)
+		return ret;
+
+	pix_tmp = *pix;
+	if (pxa_camera_check_frame(pix)) {
+		/*
+		 * Camera cropping produced a frame beyond our capabilities.
+		 * FIXME: just extract a subframe, that we can process.
+		 */
+		v4l_bound_align_image(&pix->width, 48, 2048, 1,
+			&pix->height, 32, 2048, 0,
+			icd->current_fmt->fourcc == V4L2_PIX_FMT_YUV422P ?
+				4 : 0);
+		ret = v4l2_subdev_call(sd, video, s_fmt, &f);
+		if (ret < 0)
+			return ret;
+
+		if (pxa_camera_check_frame(pix)) {
+			dev_warn(icd->dev.parent,
+				 "Inconsistent state. Use S_FMT to repair\n");
+			return -EINVAL;
+		}
+	}
+
+	if (sense.flags & SOCAM_SENSE_PCLK_CHANGED) {
 		if (sense.pixel_clock > sense.pixel_clock_max) {
-			dev_err(ici->dev,
+			dev_err(dev,
 				"pixel clock %lu set by the camera too high!",
 				sense.pixel_clock);
 			return -EIO;
@@ -1315,6 +1395,11 @@ static int pxa_camera_set_crop(struct soc_camera_device *icd,
 		recalculate_fifo_timeout(pcdev, sense.pixel_clock);
 	}
 
+	icd->user_width = pix->width;
+	icd->user_height = pix->height;
+
+	pxa_camera_setup_cicr(icd, cam->flags, icd->current_fmt->fourcc);
+
 	return ret;
 }
 
@@ -1323,6 +1408,8 @@ static int pxa_camera_set_fmt(struct soc_camera_device *icd,
 {
 	struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
 	struct pxa_camera_dev *pcdev = ici->priv;
+	struct device *dev = icd->dev.parent;
+	struct v4l2_subdev *sd = soc_camera_to_subdev(icd);
 	const struct soc_camera_data_format *cam_fmt = NULL;
 	const struct soc_camera_format_xlate *xlate = NULL;
 	struct soc_camera_sense sense = {
@@ -1335,7 +1422,7 @@ static int pxa_camera_set_fmt(struct soc_camera_device *icd,
 
 	xlate = soc_camera_xlate_by_fourcc(icd, pix->pixelformat);
 	if (!xlate) {
-		dev_warn(ici->dev, "Format %x not found\n", pix->pixelformat);
+		dev_warn(dev, "Format %x not found\n", pix->pixelformat);
 		return -EINVAL;
 	}
 
@@ -1346,16 +1433,23 @@ static int pxa_camera_set_fmt(struct soc_camera_device *icd,
 		icd->sense = &sense;
 
 	cam_f.fmt.pix.pixelformat = cam_fmt->fourcc;
-	ret = icd->ops->set_fmt(icd, &cam_f);
+	ret = v4l2_subdev_call(sd, video, s_fmt, &cam_f);
+	cam_f.fmt.pix.pixelformat = pix->pixelformat;
+	*pix = cam_f.fmt.pix;
 
 	icd->sense = NULL;
 
 	if (ret < 0) {
-		dev_warn(ici->dev, "Failed to configure for format %x\n",
+		dev_warn(dev, "Failed to configure for format %x\n",
 			 pix->pixelformat);
+	} else if (pxa_camera_check_frame(pix)) {
+		dev_warn(dev,
+			 "Camera driver produced an unsupported frame %dx%d\n",
+			 pix->width, pix->height);
+		ret = -EINVAL;
 	} else if (sense.flags & SOCAM_SENSE_PCLK_CHANGED) {
 		if (sense.pixel_clock > sense.pixel_clock_max) {
-			dev_err(ici->dev,
+			dev_err(dev,
 				"pixel clock %lu set by the camera too high!",
 				sense.pixel_clock);
 			return -EIO;
@@ -1375,6 +1469,7 @@ static int pxa_camera_try_fmt(struct soc_camera_device *icd,
 			      struct v4l2_format *f)
 {
 	struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
+	struct v4l2_subdev *sd = soc_camera_to_subdev(icd);
 	const struct soc_camera_format_xlate *xlate;
 	struct v4l2_pix_format *pix = &f->fmt.pix;
 	__u32 pixfmt = pix->pixelformat;
@@ -1383,7 +1478,7 @@ static int pxa_camera_try_fmt(struct soc_camera_device *icd,
 
 	xlate = soc_camera_xlate_by_fourcc(icd, pixfmt);
 	if (!xlate) {
-		dev_warn(ici->dev, "Format %x not found\n", pixfmt);
+		dev_warn(ici->v4l2_dev.dev, "Format %x not found\n", pixfmt);
 		return -EINVAL;
 	}
 
@@ -1395,7 +1490,7 @@ static int pxa_camera_try_fmt(struct soc_camera_device *icd,
 	 */
 	v4l_bound_align_image(&pix->width, 48, 2048, 1,
 			      &pix->height, 32, 2048, 0,
-			      xlate->host_fmt->fourcc == V4L2_PIX_FMT_YUV422P ? 4 : 0);
+			      pixfmt == V4L2_PIX_FMT_YUV422P ? 4 : 0);
 
 	pix->bytesperline = pix->width *
 		DIV_ROUND_UP(xlate->host_fmt->depth, 8);
@@ -1404,15 +1499,15 @@ static int pxa_camera_try_fmt(struct soc_camera_device *icd,
 	/* camera has to see its format, but the user the original one */
 	pix->pixelformat = xlate->cam_fmt->fourcc;
 	/* limit to sensor capabilities */
-	ret = icd->ops->try_fmt(icd, f);
-	pix->pixelformat = xlate->host_fmt->fourcc;
+	ret = v4l2_subdev_call(sd, video, try_fmt, f);
+	pix->pixelformat = pixfmt;
 
 	field = pix->field;
 
 	if (field == V4L2_FIELD_ANY) {
 		pix->field = V4L2_FIELD_NONE;
 	} else if (field != V4L2_FIELD_NONE) {
-		dev_err(&icd->dev, "Field type %d unsupported.\n", field);
+		dev_err(icd->dev.parent, "Field type %d unsupported.\n", field);
 		return -EINVAL;
 	}
 
@@ -1518,6 +1613,7 @@ static struct soc_camera_host_ops pxa_soc_camera_host_ops = {
 	.resume		= pxa_camera_resume,
 	.set_crop	= pxa_camera_set_crop,
 	.get_formats	= pxa_camera_get_formats,
+	.put_formats	= pxa_camera_put_formats,
 	.set_fmt	= pxa_camera_set_fmt,
 	.try_fmt	= pxa_camera_try_fmt,
 	.init_videobuf	= pxa_camera_init_videobuf,
@@ -1575,8 +1671,7 @@ static int __devinit pxa_camera_probe(struct platform_device *pdev)
 		pcdev->mclk = 20000000;
 	}
 
-	pcdev->soc_host.dev = &pdev->dev;
-	pcdev->mclk_divisor = mclk_get_divisor(pcdev);
+	pcdev->mclk_divisor = mclk_get_divisor(pdev, pcdev);
 
 	INIT_LIST_HEAD(&pcdev->capture);
 	spin_lock_init(&pcdev->lock);
@@ -1641,6 +1736,7 @@ static int __devinit pxa_camera_probe(struct platform_device *pdev)
 	pcdev->soc_host.drv_name	= PXA_CAM_DRV_NAME;
 	pcdev->soc_host.ops		= &pxa_soc_camera_host_ops;
 	pcdev->soc_host.priv		= pcdev;
+	pcdev->soc_host.v4l2_dev.dev	= &pdev->dev;
 	pcdev->soc_host.nr		= pdev->id;
 
 	err = soc_camera_host_register(&pcdev->soc_host);
@@ -1722,3 +1818,4 @@ module_exit(pxa_camera_exit);
 MODULE_DESCRIPTION("PXA27x SoC Camera Host driver");
 MODULE_AUTHOR("Guennadi Liakhovetski <kernel@pengutronix.de>");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:" PXA_CAM_DRV_NAME);