media: platform: rename davinci/ to ti/davinci/

As the end goal is to have platform drivers split by vendor,
rename davinci/ to ti/davinci/.

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

1 files changed, 0 insertions, 1512 deletions

diff --git a/drivers/media/platform/davinci/vpbe_display.c b/drivers/media/platform/davinci/vpbe_display.c
deleted file mode 100644
index bf3c3e76b921..000000000000
--- a/drivers/media/platform/davinci/vpbe_display.c
+++ /dev/null
@@ -1,1512 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright (C) 2010 Texas Instruments Incorporated - https://www.ti.com/
- */
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/errno.h>
-#include <linux/interrupt.h>
-#include <linux/string.h>
-#include <linux/wait.h>
-#include <linux/time.h>
-#include <linux/platform_device.h>
-#include <linux/irq.h>
-#include <linux/mm.h>
-#include <linux/mutex.h>
-#include <linux/videodev2.h>
-#include <linux/slab.h>
-
-
-#include <media/v4l2-dev.h>
-#include <media/v4l2-common.h>
-#include <media/v4l2-ioctl.h>
-#include <media/v4l2-device.h>
-#include <media/davinci/vpbe_display.h>
-#include <media/davinci/vpbe_types.h>
-#include <media/davinci/vpbe.h>
-#include <media/davinci/vpbe_venc.h>
-#include <media/davinci/vpbe_osd.h>
-#include "vpbe_venc_regs.h"
-
-#define VPBE_DISPLAY_DRIVER "vpbe-v4l2"
-
-static int debug;
-
-#define VPBE_DEFAULT_NUM_BUFS 3
-
-module_param(debug, int, 0644);
-
-static int vpbe_set_osd_display_params(struct vpbe_display *disp_dev,
-			struct vpbe_layer *layer);
-
-static int venc_is_second_field(struct vpbe_display *disp_dev)
-{
-	struct vpbe_device *vpbe_dev = disp_dev->vpbe_dev;
-	int ret, val;
-
-	ret = v4l2_subdev_call(vpbe_dev->venc,
-			       core,
-			       command,
-			       VENC_GET_FLD,
-			       &val);
-	if (ret < 0) {
-		v4l2_err(&vpbe_dev->v4l2_dev,
-			 "Error in getting Field ID 0\n");
-		return 1;
-	}
-	return val;
-}
-
-static void vpbe_isr_even_field(struct vpbe_display *disp_obj,
-				struct vpbe_layer *layer)
-{
-	if (layer->cur_frm == layer->next_frm)
-		return;
-
-	layer->cur_frm->vb.vb2_buf.timestamp = ktime_get_ns();
-	vb2_buffer_done(&layer->cur_frm->vb.vb2_buf, VB2_BUF_STATE_DONE);
-	/* Make cur_frm pointing to next_frm */
-	layer->cur_frm = layer->next_frm;
-}
-
-static void vpbe_isr_odd_field(struct vpbe_display *disp_obj,
-				struct vpbe_layer *layer)
-{
-	struct osd_state *osd_device = disp_obj->osd_device;
-	unsigned long addr;
-
-	spin_lock(&disp_obj->dma_queue_lock);
-	if (list_empty(&layer->dma_queue) ||
-		(layer->cur_frm != layer->next_frm)) {
-		spin_unlock(&disp_obj->dma_queue_lock);
-		return;
-	}
-	/*
-	 * one field is displayed configure
-	 * the next frame if it is available
-	 * otherwise hold on current frame
-	 * Get next from the buffer queue
-	 */
-	layer->next_frm = list_entry(layer->dma_queue.next,
-			  struct  vpbe_disp_buffer, list);
-	/* Remove that from the buffer queue */
-	list_del(&layer->next_frm->list);
-	spin_unlock(&disp_obj->dma_queue_lock);
-	/* Mark state of the frame to active */
-	layer->next_frm->vb.vb2_buf.state = VB2_BUF_STATE_ACTIVE;
-	addr = vb2_dma_contig_plane_dma_addr(&layer->next_frm->vb.vb2_buf, 0);
-	osd_device->ops.start_layer(osd_device,
-			layer->layer_info.id,
-			addr,
-			disp_obj->cbcr_ofst);
-}
-
-/* interrupt service routine */
-static irqreturn_t venc_isr(int irq, void *arg)
-{
-	struct vpbe_display *disp_dev = (struct vpbe_display *)arg;
-	struct vpbe_layer *layer;
-	static unsigned last_event;
-	unsigned event = 0;
-	int fid;
-	int i;
-
-	if (!arg || !disp_dev->dev[0])
-		return IRQ_HANDLED;
-
-	if (venc_is_second_field(disp_dev))
-		event |= VENC_SECOND_FIELD;
-	else
-		event |= VENC_FIRST_FIELD;
-
-	if (event == (last_event & ~VENC_END_OF_FRAME)) {
-		/*
-		* If the display is non-interlaced, then we need to flag the
-		* end-of-frame event at every interrupt regardless of the
-		* value of the FIDST bit.  We can conclude that the display is
-		* non-interlaced if the value of the FIDST bit is unchanged
-		* from the previous interrupt.
-		*/
-		event |= VENC_END_OF_FRAME;
-	} else if (event == VENC_SECOND_FIELD) {
-		/* end-of-frame for interlaced display */
-		event |= VENC_END_OF_FRAME;
-	}
-	last_event = event;
-
-	for (i = 0; i < VPBE_DISPLAY_MAX_DEVICES; i++) {
-		layer = disp_dev->dev[i];
-
-		if (!vb2_start_streaming_called(&layer->buffer_queue))
-			continue;
-
-		if (layer->layer_first_int) {
-			layer->layer_first_int = 0;
-			continue;
-		}
-		/* Check the field format */
-		if ((V4L2_FIELD_NONE == layer->pix_fmt.field) &&
-			(event & VENC_END_OF_FRAME)) {
-			/* Progressive mode */
-
-			vpbe_isr_even_field(disp_dev, layer);
-			vpbe_isr_odd_field(disp_dev, layer);
-		} else {
-		/* Interlaced mode */
-
-			layer->field_id ^= 1;
-			if (event & VENC_FIRST_FIELD)
-				fid = 0;
-			else
-				fid = 1;
-
-			/*
-			* If field id does not match with store
-			* field id
-			*/
-			if (fid != layer->field_id) {
-				/* Make them in sync */
-				layer->field_id = fid;
-				continue;
-			}
-			/*
-			* device field id and local field id are
-			* in sync. If this is even field
-			*/
-			if (0 == fid)
-				vpbe_isr_even_field(disp_dev, layer);
-			else  /* odd field */
-				vpbe_isr_odd_field(disp_dev, layer);
-		}
-	}
-
-	return IRQ_HANDLED;
-}
-
-/*
- * vpbe_buffer_prepare()
- * This is the callback function called from vb2_qbuf() function
- * the buffer is prepared and user space virtual address is converted into
- * physical address
- */
-static int vpbe_buffer_prepare(struct vb2_buffer *vb)
-{
-	struct vb2_queue *q = vb->vb2_queue;
-	struct vpbe_layer *layer = vb2_get_drv_priv(q);
-	struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev;
-	unsigned long addr;
-
-	v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev,
-				"vpbe_buffer_prepare\n");
-
-	vb2_set_plane_payload(vb, 0, layer->pix_fmt.sizeimage);
-	if (vb2_get_plane_payload(vb, 0) > vb2_plane_size(vb, 0))
-		return -EINVAL;
-
-	addr = vb2_dma_contig_plane_dma_addr(vb, 0);
-	if (!IS_ALIGNED(addr, 8)) {
-		v4l2_err(&vpbe_dev->v4l2_dev,
-			 "buffer_prepare:offset is not aligned to 32 bytes\n");
-		return -EINVAL;
-	}
-	return 0;
-}
-
-/*
- * vpbe_buffer_setup()
- * This function allocates memory for the buffers
- */
-static int
-vpbe_buffer_queue_setup(struct vb2_queue *vq,
-			unsigned int *nbuffers, unsigned int *nplanes,
-			unsigned int sizes[], struct device *alloc_devs[])
-
-{
-	/* Get the file handle object and layer object */
-	struct vpbe_layer *layer = vb2_get_drv_priv(vq);
-	struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev;
-
-	v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "vpbe_buffer_setup\n");
-
-	/* Store number of buffers allocated in numbuffer member */
-	if (vq->num_buffers + *nbuffers < VPBE_DEFAULT_NUM_BUFS)
-		*nbuffers = VPBE_DEFAULT_NUM_BUFS - vq->num_buffers;
-
-	if (*nplanes)
-		return sizes[0] < layer->pix_fmt.sizeimage ? -EINVAL : 0;
-
-	*nplanes = 1;
-	sizes[0] = layer->pix_fmt.sizeimage;
-
-	return 0;
-}
-
-/*
- * vpbe_buffer_queue()
- * This function adds the buffer to DMA queue
- */
-static void vpbe_buffer_queue(struct vb2_buffer *vb)
-{
-	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
-	/* Get the file handle object and layer object */
-	struct vpbe_disp_buffer *buf = container_of(vbuf,
-				struct vpbe_disp_buffer, vb);
-	struct vpbe_layer *layer = vb2_get_drv_priv(vb->vb2_queue);
-	struct vpbe_display *disp = layer->disp_dev;
-	struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev;
-	unsigned long flags;
-
-	v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev,
-			"vpbe_buffer_queue\n");
-
-	/* add the buffer to the DMA queue */
-	spin_lock_irqsave(&disp->dma_queue_lock, flags);
-	list_add_tail(&buf->list, &layer->dma_queue);
-	spin_unlock_irqrestore(&disp->dma_queue_lock, flags);
-}
-
-static int vpbe_start_streaming(struct vb2_queue *vq, unsigned int count)
-{
-	struct vpbe_layer *layer = vb2_get_drv_priv(vq);
-	struct osd_state *osd_device = layer->disp_dev->osd_device;
-	int ret;
-
-	osd_device->ops.disable_layer(osd_device, layer->layer_info.id);
-
-	/* Get the next frame from the buffer queue */
-	layer->next_frm = layer->cur_frm = list_entry(layer->dma_queue.next,
-				struct vpbe_disp_buffer, list);
-	/* Remove buffer from the buffer queue */
-	list_del(&layer->cur_frm->list);
-	/* Mark state of the current frame to active */
-	layer->cur_frm->vb.vb2_buf.state = VB2_BUF_STATE_ACTIVE;
-	/* Initialize field_id and started member */
-	layer->field_id = 0;
-
-	/* Set parameters in OSD and VENC */
-	ret = vpbe_set_osd_display_params(layer->disp_dev, layer);
-	if (ret < 0) {
-		struct vpbe_disp_buffer *buf, *tmp;
-
-		vb2_buffer_done(&layer->cur_frm->vb.vb2_buf,
-				VB2_BUF_STATE_QUEUED);
-		list_for_each_entry_safe(buf, tmp, &layer->dma_queue, list) {
-			list_del(&buf->list);
-			vb2_buffer_done(&buf->vb.vb2_buf,
-					VB2_BUF_STATE_QUEUED);
-		}
-
-		return ret;
-	}
-
-	/*
-	 * if request format is yuv420 semiplanar, need to
-	 * enable both video windows
-	 */
-	layer->layer_first_int = 1;
-
-	return ret;
-}
-
-static void vpbe_stop_streaming(struct vb2_queue *vq)
-{
-	struct vpbe_layer *layer = vb2_get_drv_priv(vq);
-	struct osd_state *osd_device = layer->disp_dev->osd_device;
-	struct vpbe_display *disp = layer->disp_dev;
-	unsigned long flags;
-
-	if (!vb2_is_streaming(vq))
-		return;
-
-	osd_device->ops.disable_layer(osd_device, layer->layer_info.id);
-
-	/* release all active buffers */
-	spin_lock_irqsave(&disp->dma_queue_lock, flags);
-	if (layer->cur_frm == layer->next_frm) {
-		vb2_buffer_done(&layer->cur_frm->vb.vb2_buf,
-				VB2_BUF_STATE_ERROR);
-	} else {
-		if (layer->cur_frm)
-			vb2_buffer_done(&layer->cur_frm->vb.vb2_buf,
-					VB2_BUF_STATE_ERROR);
-		if (layer->next_frm)
-			vb2_buffer_done(&layer->next_frm->vb.vb2_buf,
-					VB2_BUF_STATE_ERROR);
-	}
-
-	while (!list_empty(&layer->dma_queue)) {
-		layer->next_frm = list_entry(layer->dma_queue.next,
-						struct vpbe_disp_buffer, list);
-		list_del(&layer->next_frm->list);
-		vb2_buffer_done(&layer->next_frm->vb.vb2_buf,
-				VB2_BUF_STATE_ERROR);
-	}
-	spin_unlock_irqrestore(&disp->dma_queue_lock, flags);
-}
-
-static const struct vb2_ops video_qops = {
-	.queue_setup = vpbe_buffer_queue_setup,
-	.wait_prepare = vb2_ops_wait_prepare,
-	.wait_finish = vb2_ops_wait_finish,
-	.buf_prepare = vpbe_buffer_prepare,
-	.start_streaming = vpbe_start_streaming,
-	.stop_streaming = vpbe_stop_streaming,
-	.buf_queue = vpbe_buffer_queue,
-};
-
-static
-struct vpbe_layer*
-_vpbe_display_get_other_win_layer(struct vpbe_display *disp_dev,
-			struct vpbe_layer *layer)
-{
-	enum vpbe_display_device_id thiswin, otherwin;
-	thiswin = layer->device_id;
-
-	otherwin = (thiswin == VPBE_DISPLAY_DEVICE_0) ?
-	VPBE_DISPLAY_DEVICE_1 : VPBE_DISPLAY_DEVICE_0;
-	return disp_dev->dev[otherwin];
-}
-
-static int vpbe_set_osd_display_params(struct vpbe_display *disp_dev,
-			struct vpbe_layer *layer)
-{
-	struct osd_layer_config *cfg  = &layer->layer_info.config;
-	struct osd_state *osd_device = disp_dev->osd_device;
-	struct vpbe_device *vpbe_dev = disp_dev->vpbe_dev;
-	unsigned long addr;
-	int ret;
-
-	addr = vb2_dma_contig_plane_dma_addr(&layer->cur_frm->vb.vb2_buf, 0);
-	/* Set address in the display registers */
-	osd_device->ops.start_layer(osd_device,
-				    layer->layer_info.id,
-				    addr,
-				    disp_dev->cbcr_ofst);
-
-	ret = osd_device->ops.enable_layer(osd_device,
-				layer->layer_info.id, 0);
-	if (ret < 0) {
-		v4l2_err(&vpbe_dev->v4l2_dev,
-			"Error in enabling osd window layer 0\n");
-		return -1;
-	}
-
-	/* Enable the window */
-	layer->layer_info.enable = 1;
-	if (cfg->pixfmt == PIXFMT_NV12) {
-		struct vpbe_layer *otherlayer =
-			_vpbe_display_get_other_win_layer(disp_dev, layer);
-
-		ret = osd_device->ops.enable_layer(osd_device,
-				otherlayer->layer_info.id, 1);
-		if (ret < 0) {
-			v4l2_err(&vpbe_dev->v4l2_dev,
-				"Error in enabling osd window layer 1\n");
-			return -1;
-		}
-		otherlayer->layer_info.enable = 1;
-	}
-	return 0;
-}
-
-static void
-vpbe_disp_calculate_scale_factor(struct vpbe_display *disp_dev,
-			struct vpbe_layer *layer,
-			int expected_xsize, int expected_ysize)
-{
-	struct display_layer_info *layer_info = &layer->layer_info;
-	struct v4l2_pix_format *pixfmt = &layer->pix_fmt;
-	struct osd_layer_config *cfg  = &layer->layer_info.config;
-	struct vpbe_device *vpbe_dev = disp_dev->vpbe_dev;
-	int calculated_xsize;
-	int h_exp = 0;
-	int v_exp = 0;
-	int h_scale;
-	int v_scale;
-
-	v4l2_std_id standard_id = vpbe_dev->current_timings.std_id;
-
-	/*
-	 * Application initially set the image format. Current display
-	 * size is obtained from the vpbe display controller. expected_xsize
-	 * and expected_ysize are set through S_SELECTION ioctl. Based on this,
-	 * driver will calculate the scale factors for vertical and
-	 * horizontal direction so that the image is displayed scaled
-	 * and expanded. Application uses expansion to display the image
-	 * in a square pixel. Otherwise it is displayed using displays
-	 * pixel aspect ratio.It is expected that application chooses
-	 * the crop coordinates for cropped or scaled display. if crop
-	 * size is less than the image size, it is displayed cropped or
-	 * it is displayed scaled and/or expanded.
-	 *
-	 * to begin with, set the crop window same as expected. Later we
-	 * will override with scaled window size
-	 */
-
-	cfg->xsize = pixfmt->width;
-	cfg->ysize = pixfmt->height;
-	layer_info->h_zoom = ZOOM_X1;	/* no horizontal zoom */
-	layer_info->v_zoom = ZOOM_X1;	/* no horizontal zoom */
-	layer_info->h_exp = H_EXP_OFF;	/* no horizontal zoom */
-	layer_info->v_exp = V_EXP_OFF;	/* no horizontal zoom */
-
-	if (pixfmt->width < expected_xsize) {
-		h_scale = vpbe_dev->current_timings.xres / pixfmt->width;
-		if (h_scale < 2)
-			h_scale = 1;
-		else if (h_scale >= 4)
-			h_scale = 4;
-		else
-			h_scale = 2;
-		cfg->xsize *= h_scale;
-		if (cfg->xsize < expected_xsize) {
-			if ((standard_id & V4L2_STD_525_60) ||
-			(standard_id & V4L2_STD_625_50)) {
-				calculated_xsize = (cfg->xsize *
-					VPBE_DISPLAY_H_EXP_RATIO_N) /
-					VPBE_DISPLAY_H_EXP_RATIO_D;
-				if (calculated_xsize <= expected_xsize) {
-					h_exp = 1;
-					cfg->xsize = calculated_xsize;
-				}
-			}
-		}
-		if (h_scale == 2)
-			layer_info->h_zoom = ZOOM_X2;
-		else if (h_scale == 4)
-			layer_info->h_zoom = ZOOM_X4;
-		if (h_exp)
-			layer_info->h_exp = H_EXP_9_OVER_8;
-	} else {
-		/* no scaling, only cropping. Set display area to crop area */
-		cfg->xsize = expected_xsize;
-	}
-
-	if (pixfmt->height < expected_ysize) {
-		v_scale = expected_ysize / pixfmt->height;
-		if (v_scale < 2)
-			v_scale = 1;
-		else if (v_scale >= 4)
-			v_scale = 4;
-		else
-			v_scale = 2;
-		cfg->ysize *= v_scale;
-		if (cfg->ysize < expected_ysize) {
-			if ((standard_id & V4L2_STD_625_50)) {
-				calculated_xsize = (cfg->ysize *
-					VPBE_DISPLAY_V_EXP_RATIO_N) /
-					VPBE_DISPLAY_V_EXP_RATIO_D;
-				if (calculated_xsize <= expected_ysize) {
-					v_exp = 1;
-					cfg->ysize = calculated_xsize;
-				}
-			}
-		}
-		if (v_scale == 2)
-			layer_info->v_zoom = ZOOM_X2;
-		else if (v_scale == 4)
-			layer_info->v_zoom = ZOOM_X4;
-		if (v_exp)
-			layer_info->v_exp = V_EXP_6_OVER_5;
-	} else {
-		/* no scaling, only cropping. Set display area to crop area */
-		cfg->ysize = expected_ysize;
-	}
-	v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev,
-		"crop display xsize = %d, ysize = %d\n",
-		cfg->xsize, cfg->ysize);
-}
-
-static void vpbe_disp_adj_position(struct vpbe_display *disp_dev,
-			struct vpbe_layer *layer,
-			int top, int left)
-{
-	struct osd_layer_config *cfg = &layer->layer_info.config;
-	struct vpbe_device *vpbe_dev = disp_dev->vpbe_dev;
-
-	cfg->xpos = min((unsigned int)left,
-			vpbe_dev->current_timings.xres - cfg->xsize);
-	cfg->ypos = min((unsigned int)top,
-			vpbe_dev->current_timings.yres - cfg->ysize);
-
-	v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev,
-		"new xpos = %d, ypos = %d\n",
-		cfg->xpos, cfg->ypos);
-}
-
-static void vpbe_disp_check_window_params(struct vpbe_display *disp_dev,
-			struct v4l2_rect *c)
-{
-	struct vpbe_device *vpbe_dev = disp_dev->vpbe_dev;
-
-	if ((c->width == 0) ||
-	  ((c->width + c->left) > vpbe_dev->current_timings.xres))
-		c->width = vpbe_dev->current_timings.xres - c->left;
-
-	if ((c->height == 0) || ((c->height + c->top) >
-	  vpbe_dev->current_timings.yres))
-		c->height = vpbe_dev->current_timings.yres - c->top;
-
-	/* window height must be even for interlaced display */
-	if (vpbe_dev->current_timings.interlaced)
-		c->height &= (~0x01);
-
-}
-
-/*
- * vpbe_try_format()
- * If user application provides width and height, and have bytesperline set
- * to zero, driver calculates bytesperline and sizeimage based on hardware
- * limits.
- */
-static int vpbe_try_format(struct vpbe_display *disp_dev,
-			struct v4l2_pix_format *pixfmt, int check)
-{
-	struct vpbe_device *vpbe_dev = disp_dev->vpbe_dev;
-	int min_height = 1;
-	int min_width = 32;
-	int max_height;
-	int max_width;
-	int bpp;
-
-	if ((pixfmt->pixelformat != V4L2_PIX_FMT_UYVY) &&
-	    (pixfmt->pixelformat != V4L2_PIX_FMT_NV12))
-		/* choose default as V4L2_PIX_FMT_UYVY */
-		pixfmt->pixelformat = V4L2_PIX_FMT_UYVY;
-
-	/* Check the field format */
-	if ((pixfmt->field != V4L2_FIELD_INTERLACED) &&
-		(pixfmt->field != V4L2_FIELD_NONE)) {
-		if (vpbe_dev->current_timings.interlaced)
-			pixfmt->field = V4L2_FIELD_INTERLACED;
-		else
-			pixfmt->field = V4L2_FIELD_NONE;
-	}
-
-	if (pixfmt->field == V4L2_FIELD_INTERLACED)
-		min_height = 2;
-
-	if (pixfmt->pixelformat == V4L2_PIX_FMT_NV12)
-		bpp = 1;
-	else
-		bpp = 2;
-
-	max_width = vpbe_dev->current_timings.xres;
-	max_height = vpbe_dev->current_timings.yres;
-
-	min_width /= bpp;
-
-	if (!pixfmt->width || (pixfmt->width < min_width) ||
-		(pixfmt->width > max_width)) {
-		pixfmt->width = vpbe_dev->current_timings.xres;
-	}
-
-	if (!pixfmt->height || (pixfmt->height  < min_height) ||
-		(pixfmt->height  > max_height)) {
-		pixfmt->height = vpbe_dev->current_timings.yres;
-	}
-
-	if (pixfmt->bytesperline < (pixfmt->width * bpp))
-		pixfmt->bytesperline = pixfmt->width * bpp;
-
-	/* Make the bytesperline 32 byte aligned */
-	pixfmt->bytesperline = ((pixfmt->width * bpp + 31) & ~31);
-
-	if (pixfmt->pixelformat == V4L2_PIX_FMT_NV12)
-		pixfmt->sizeimage = pixfmt->bytesperline * pixfmt->height +
-				(pixfmt->bytesperline * pixfmt->height >> 1);
-	else
-		pixfmt->sizeimage = pixfmt->bytesperline * pixfmt->height;
-
-	return 0;
-}
-
-static int vpbe_display_querycap(struct file *file, void  *priv,
-			       struct v4l2_capability *cap)
-{
-	struct vpbe_layer *layer = video_drvdata(file);
-	struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev;
-
-	snprintf(cap->driver, sizeof(cap->driver), "%s",
-		dev_name(vpbe_dev->pdev));
-	snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:%s",
-		 dev_name(vpbe_dev->pdev));
-	strscpy(cap->card, vpbe_dev->cfg->module_name, sizeof(cap->card));
-
-	return 0;
-}
-
-static int vpbe_display_s_selection(struct file *file, void *priv,
-			     struct v4l2_selection *sel)
-{
-	struct vpbe_layer *layer = video_drvdata(file);
-	struct vpbe_display *disp_dev = layer->disp_dev;
-	struct vpbe_device *vpbe_dev = disp_dev->vpbe_dev;
-	struct osd_layer_config *cfg = &layer->layer_info.config;
-	struct osd_state *osd_device = disp_dev->osd_device;
-	struct v4l2_rect rect = sel->r;
-	int ret;
-
-	v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev,
-		"VIDIOC_S_SELECTION, layer id = %d\n", layer->device_id);
-
-	if (sel->type != V4L2_BUF_TYPE_VIDEO_OUTPUT ||
-	    sel->target != V4L2_SEL_TGT_CROP)
-		return -EINVAL;
-
-	if (rect.top < 0)
-		rect.top = 0;
-	if (rect.left < 0)
-		rect.left = 0;
-
-	vpbe_disp_check_window_params(disp_dev, &rect);
-
-	osd_device->ops.get_layer_config(osd_device,
-			layer->layer_info.id, cfg);
-
-	vpbe_disp_calculate_scale_factor(disp_dev, layer,
-					rect.width,
-					rect.height);
-	vpbe_disp_adj_position(disp_dev, layer, rect.top,
-					rect.left);
-	ret = osd_device->ops.set_layer_config(osd_device,
-				layer->layer_info.id, cfg);
-	if (ret < 0) {
-		v4l2_err(&vpbe_dev->v4l2_dev,
-			"Error in set layer config:\n");
-		return -EINVAL;
-	}
-
-	/* apply zooming and h or v expansion */
-	osd_device->ops.set_zoom(osd_device,
-			layer->layer_info.id,
-			layer->layer_info.h_zoom,
-			layer->layer_info.v_zoom);
-	ret = osd_device->ops.set_vid_expansion(osd_device,
-			layer->layer_info.h_exp,
-			layer->layer_info.v_exp);
-	if (ret < 0) {
-		v4l2_err(&vpbe_dev->v4l2_dev,
-		"Error in set vid expansion:\n");
-		return -EINVAL;
-	}
-
-	if ((layer->layer_info.h_zoom != ZOOM_X1) ||
-		(layer->layer_info.v_zoom != ZOOM_X1) ||
-		(layer->layer_info.h_exp != H_EXP_OFF) ||
-		(layer->layer_info.v_exp != V_EXP_OFF))
-		/* Enable expansion filter */
-		osd_device->ops.set_interpolation_filter(osd_device, 1);
-	else
-		osd_device->ops.set_interpolation_filter(osd_device, 0);
-
-	sel->r = rect;
-	return 0;
-}
-
-static int vpbe_display_g_selection(struct file *file, void *priv,
-				    struct v4l2_selection *sel)
-{
-	struct vpbe_layer *layer = video_drvdata(file);
-	struct osd_layer_config *cfg = &layer->layer_info.config;
-	struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev;
-	struct osd_state *osd_device = layer->disp_dev->osd_device;
-	struct v4l2_rect *rect = &sel->r;
-
-	v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev,
-			"VIDIOC_G_SELECTION, layer id = %d\n",
-			layer->device_id);
-
-	if (sel->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
-		return -EINVAL;
-
-	switch (sel->target) {
-	case V4L2_SEL_TGT_CROP:
-		osd_device->ops.get_layer_config(osd_device,
-						 layer->layer_info.id, cfg);
-		rect->top = cfg->ypos;
-		rect->left = cfg->xpos;
-		rect->width = cfg->xsize;
-		rect->height = cfg->ysize;
-		break;
-	case V4L2_SEL_TGT_CROP_DEFAULT:
-	case V4L2_SEL_TGT_CROP_BOUNDS:
-		rect->left = 0;
-		rect->top = 0;
-		rect->width = vpbe_dev->current_timings.xres;
-		rect->height = vpbe_dev->current_timings.yres;
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-static int vpbe_display_g_pixelaspect(struct file *file, void *priv,
-				      int type, struct v4l2_fract *f)
-{
-	struct vpbe_layer *layer = video_drvdata(file);
-	struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev;
-
-	v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "VIDIOC_CROPCAP ioctl\n");
-
-	if (type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
-		return -EINVAL;
-
-	*f = vpbe_dev->current_timings.aspect;
-	return 0;
-}
-
-static int vpbe_display_g_fmt(struct file *file, void *priv,
-				struct v4l2_format *fmt)
-{
-	struct vpbe_layer *layer = video_drvdata(file);
-	struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev;
-
-	v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev,
-			"VIDIOC_G_FMT, layer id = %d\n",
-			layer->device_id);
-
-	/* If buffer type is video output */
-	if (V4L2_BUF_TYPE_VIDEO_OUTPUT != fmt->type) {
-		v4l2_err(&vpbe_dev->v4l2_dev, "invalid type\n");
-		return -EINVAL;
-	}
-	/* Fill in the information about format */
-	fmt->fmt.pix = layer->pix_fmt;
-
-	return 0;
-}
-
-static int vpbe_display_enum_fmt(struct file *file, void  *priv,
-				   struct v4l2_fmtdesc *fmt)
-{
-	struct vpbe_layer *layer = video_drvdata(file);
-	struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev;
-
-	v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev,
-				"VIDIOC_ENUM_FMT, layer id = %d\n",
-				layer->device_id);
-	if (fmt->index > 1) {
-		v4l2_err(&vpbe_dev->v4l2_dev, "Invalid format index\n");
-		return -EINVAL;
-	}
-
-	/* Fill in the information about format */
-	if (fmt->index == 0)
-		fmt->pixelformat = V4L2_PIX_FMT_UYVY;
-	else
-		fmt->pixelformat = V4L2_PIX_FMT_NV12;
-
-	return 0;
-}
-
-static int vpbe_display_s_fmt(struct file *file, void *priv,
-				struct v4l2_format *fmt)
-{
-	struct vpbe_layer *layer = video_drvdata(file);
-	struct vpbe_display *disp_dev = layer->disp_dev;
-	struct vpbe_device *vpbe_dev = disp_dev->vpbe_dev;
-	struct osd_layer_config *cfg  = &layer->layer_info.config;
-	struct v4l2_pix_format *pixfmt = &fmt->fmt.pix;
-	struct osd_state *osd_device = disp_dev->osd_device;
-	int ret;
-
-	v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev,
-			"VIDIOC_S_FMT, layer id = %d\n",
-			layer->device_id);
-
-	if (vb2_is_busy(&layer->buffer_queue))
-		return -EBUSY;
-
-	if (V4L2_BUF_TYPE_VIDEO_OUTPUT != fmt->type) {
-		v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "invalid type\n");
-		return -EINVAL;
-	}
-	/* Check for valid pixel format */
-	ret = vpbe_try_format(disp_dev, pixfmt, 1);
-	if (ret)
-		return ret;
-
-	/* YUV420 is requested, check availability of the
-	other video window */
-
-	layer->pix_fmt = *pixfmt;
-	if (pixfmt->pixelformat == V4L2_PIX_FMT_NV12) {
-		struct vpbe_layer *otherlayer;
-
-		otherlayer = _vpbe_display_get_other_win_layer(disp_dev, layer);
-		/* if other layer is available, only
-		 * claim it, do not configure it
-		 */
-		ret = osd_device->ops.request_layer(osd_device,
-						    otherlayer->layer_info.id);
-		if (ret < 0) {
-			v4l2_err(&vpbe_dev->v4l2_dev,
-				 "Display Manager failed to allocate layer\n");
-			return -EBUSY;
-		}
-	}
-
-	/* Get osd layer config */
-	osd_device->ops.get_layer_config(osd_device,
-			layer->layer_info.id, cfg);
-	/* Store the pixel format in the layer object */
-	cfg->xsize = pixfmt->width;
-	cfg->ysize = pixfmt->height;
-	cfg->line_length = pixfmt->bytesperline;
-	cfg->ypos = 0;
-	cfg->xpos = 0;
-	cfg->interlaced = vpbe_dev->current_timings.interlaced;
-
-	if (V4L2_PIX_FMT_UYVY == pixfmt->pixelformat)
-		cfg->pixfmt = PIXFMT_YCBCRI;
-
-	/* Change of the default pixel format for both video windows */
-	if (V4L2_PIX_FMT_NV12 == pixfmt->pixelformat) {
-		struct vpbe_layer *otherlayer;
-		cfg->pixfmt = PIXFMT_NV12;
-		otherlayer = _vpbe_display_get_other_win_layer(disp_dev,
-								layer);
-		otherlayer->layer_info.config.pixfmt = PIXFMT_NV12;
-	}
-
-	/* Set the layer config in the osd window */
-	ret = osd_device->ops.set_layer_config(osd_device,
-				layer->layer_info.id, cfg);
-	if (ret < 0) {
-		v4l2_err(&vpbe_dev->v4l2_dev,
-				"Error in S_FMT params:\n");
-		return -EINVAL;
-	}
-
-	/* Readback and fill the local copy of current pix format */
-	osd_device->ops.get_layer_config(osd_device,
-			layer->layer_info.id, cfg);
-
-	return 0;
-}
-
-static int vpbe_display_try_fmt(struct file *file, void *priv,
-				  struct v4l2_format *fmt)
-{
-	struct vpbe_layer *layer = video_drvdata(file);
-	struct vpbe_display *disp_dev = layer->disp_dev;
-	struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev;
-	struct v4l2_pix_format *pixfmt = &fmt->fmt.pix;
-
-	v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "VIDIOC_TRY_FMT\n");
-
-	if (V4L2_BUF_TYPE_VIDEO_OUTPUT != fmt->type) {
-		v4l2_err(&vpbe_dev->v4l2_dev, "invalid type\n");
-		return -EINVAL;
-	}
-
-	/* Check for valid field format */
-	return  vpbe_try_format(disp_dev, pixfmt, 0);
-
-}
-
-/*
- * vpbe_display_s_std - Set the given standard in the encoder
- *
- * Sets the standard if supported by the current encoder. Return the status.
- * 0 - success & -EINVAL on error
- */
-static int vpbe_display_s_std(struct file *file, void *priv,
-				v4l2_std_id std_id)
-{
-	struct vpbe_layer *layer = video_drvdata(file);
-	struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev;
-	int ret;
-
-	v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "VIDIOC_S_STD\n");
-
-	if (vb2_is_busy(&layer->buffer_queue))
-		return -EBUSY;
-
-	if (vpbe_dev->ops.s_std) {
-		ret = vpbe_dev->ops.s_std(vpbe_dev, std_id);
-		if (ret) {
-			v4l2_err(&vpbe_dev->v4l2_dev,
-			"Failed to set standard for sub devices\n");
-			return -EINVAL;
-		}
-	} else {
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-/*
- * vpbe_display_g_std - Get the standard in the current encoder
- *
- * Get the standard in the current encoder. Return the status. 0 - success
- * -EINVAL on error
- */
-static int vpbe_display_g_std(struct file *file, void *priv,
-				v4l2_std_id *std_id)
-{
-	struct vpbe_layer *layer = video_drvdata(file);
-	struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev;
-
-	v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev,	"VIDIOC_G_STD\n");
-
-	/* Get the standard from the current encoder */
-	if (vpbe_dev->current_timings.timings_type & VPBE_ENC_STD) {
-		*std_id = vpbe_dev->current_timings.std_id;
-		return 0;
-	}
-
-	return -EINVAL;
-}
-
-/*
- * vpbe_display_enum_output - enumerate outputs
- *
- * Enumerates the outputs available at the vpbe display
- * returns the status, -EINVAL if end of output list
- */
-static int vpbe_display_enum_output(struct file *file, void *priv,
-				    struct v4l2_output *output)
-{
-	struct vpbe_layer *layer = video_drvdata(file);
-	struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev;
-	int ret;
-
-	v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev,	"VIDIOC_ENUM_OUTPUT\n");
-
-	/* Enumerate outputs */
-	if (!vpbe_dev->ops.enum_outputs)
-		return -EINVAL;
-
-	ret = vpbe_dev->ops.enum_outputs(vpbe_dev, output);
-	if (ret) {
-		v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev,
-			"Failed to enumerate outputs\n");
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-/*
- * vpbe_display_s_output - Set output to
- * the output specified by the index
- */
-static int vpbe_display_s_output(struct file *file, void *priv,
-				unsigned int i)
-{
-	struct vpbe_layer *layer = video_drvdata(file);
-	struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev;
-	int ret;
-
-	v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev,	"VIDIOC_S_OUTPUT\n");
-
-	if (vb2_is_busy(&layer->buffer_queue))
-		return -EBUSY;
-
-	if (!vpbe_dev->ops.set_output)
-		return -EINVAL;
-
-	ret = vpbe_dev->ops.set_output(vpbe_dev, i);
-	if (ret) {
-		v4l2_err(&vpbe_dev->v4l2_dev,
-			"Failed to set output for sub devices\n");
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-/*
- * vpbe_display_g_output - Get output from subdevice
- * for a given by the index
- */
-static int vpbe_display_g_output(struct file *file, void *priv,
-				unsigned int *i)
-{
-	struct vpbe_layer *layer = video_drvdata(file);
-	struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev;
-
-	v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "VIDIOC_G_OUTPUT\n");
-	/* Get the standard from the current encoder */
-	*i = vpbe_dev->current_out_index;
-
-	return 0;
-}
-
-/*
- * vpbe_display_enum_dv_timings - Enumerate the dv timings
- *
- * enum the timings in the current encoder. Return the status. 0 - success
- * -EINVAL on error
- */
-static int
-vpbe_display_enum_dv_timings(struct file *file, void *priv,
-			struct v4l2_enum_dv_timings *timings)
-{
-	struct vpbe_layer *layer = video_drvdata(file);
-	struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev;
-	int ret;
-
-	v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "VIDIOC_ENUM_DV_TIMINGS\n");
-
-	/* Enumerate outputs */
-	if (!vpbe_dev->ops.enum_dv_timings)
-		return -EINVAL;
-
-	ret = vpbe_dev->ops.enum_dv_timings(vpbe_dev, timings);
-	if (ret) {
-		v4l2_err(&vpbe_dev->v4l2_dev,
-			"Failed to enumerate dv timings info\n");
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-/*
- * vpbe_display_s_dv_timings - Set the dv timings
- *
- * Set the timings in the current encoder. Return the status. 0 - success
- * -EINVAL on error
- */
-static int
-vpbe_display_s_dv_timings(struct file *file, void *priv,
-				struct v4l2_dv_timings *timings)
-{
-	struct vpbe_layer *layer = video_drvdata(file);
-	struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev;
-	int ret;
-
-	v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "VIDIOC_S_DV_TIMINGS\n");
-
-	if (vb2_is_busy(&layer->buffer_queue))
-		return -EBUSY;
-
-	/* Set the given standard in the encoder */
-	if (!vpbe_dev->ops.s_dv_timings)
-		return -EINVAL;
-
-	ret = vpbe_dev->ops.s_dv_timings(vpbe_dev, timings);
-	if (ret) {
-		v4l2_err(&vpbe_dev->v4l2_dev,
-			"Failed to set the dv timings info\n");
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-/*
- * vpbe_display_g_dv_timings - Set the dv timings
- *
- * Get the timings in the current encoder. Return the status. 0 - success
- * -EINVAL on error
- */
-static int
-vpbe_display_g_dv_timings(struct file *file, void *priv,
-				struct v4l2_dv_timings *dv_timings)
-{
-	struct vpbe_layer *layer = video_drvdata(file);
-	struct vpbe_device *vpbe_dev = layer->disp_dev->vpbe_dev;
-
-	v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "VIDIOC_G_DV_TIMINGS\n");
-
-	/* Get the given standard in the encoder */
-
-	if (vpbe_dev->current_timings.timings_type &
-				VPBE_ENC_DV_TIMINGS) {
-		*dv_timings = vpbe_dev->current_timings.dv_timings;
-	} else {
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-/*
- * vpbe_display_open()
- * It creates object of file handle structure and stores it in private_data
- * member of filepointer
- */
-static int vpbe_display_open(struct file *file)
-{
-	struct vpbe_layer *layer = video_drvdata(file);
-	struct vpbe_display *disp_dev = layer->disp_dev;
-	struct vpbe_device *vpbe_dev = disp_dev->vpbe_dev;
-	struct osd_state *osd_device = disp_dev->osd_device;
-	int err;
-
-	/* creating context for file descriptor */
-	err = v4l2_fh_open(file);
-	if (err) {
-		v4l2_err(&vpbe_dev->v4l2_dev, "v4l2_fh_open failed\n");
-		return err;
-	}
-
-	/* leaving if layer is already initialized */
-	if (!v4l2_fh_is_singular_file(file))
-		return err;
-
-	if (!layer->usrs) {
-		if (mutex_lock_interruptible(&layer->opslock))
-			return -ERESTARTSYS;
-		/* First claim the layer for this device */
-		err = osd_device->ops.request_layer(osd_device,
-						layer->layer_info.id);
-		mutex_unlock(&layer->opslock);
-		if (err < 0) {
-			/* Couldn't get layer */
-			v4l2_err(&vpbe_dev->v4l2_dev,
-				"Display Manager failed to allocate layer\n");
-			v4l2_fh_release(file);
-			return -EINVAL;
-		}
-	}
-	/* Increment layer usrs counter */
-	layer->usrs++;
-	v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev,
-			"vpbe display device opened successfully\n");
-	return 0;
-}
-
-/*
- * vpbe_display_release()
- * This function deletes buffer queue, frees the buffers and the davinci
- * display file * handle
- */
-static int vpbe_display_release(struct file *file)
-{
-	struct vpbe_layer *layer = video_drvdata(file);
-	struct osd_layer_config *cfg  = &layer->layer_info.config;
-	struct vpbe_display *disp_dev = layer->disp_dev;
-	struct vpbe_device *vpbe_dev = disp_dev->vpbe_dev;
-	struct osd_state *osd_device = disp_dev->osd_device;
-
-	v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "vpbe_display_release\n");
-
-	mutex_lock(&layer->opslock);
-
-	osd_device->ops.disable_layer(osd_device,
-			layer->layer_info.id);
-	/* Decrement layer usrs counter */
-	layer->usrs--;
-	/* If this file handle has initialize encoder device, reset it */
-	if (!layer->usrs) {
-		if (cfg->pixfmt == PIXFMT_NV12) {
-			struct vpbe_layer *otherlayer;
-			otherlayer =
-			_vpbe_display_get_other_win_layer(disp_dev, layer);
-			osd_device->ops.disable_layer(osd_device,
-					otherlayer->layer_info.id);
-			osd_device->ops.release_layer(osd_device,
-					otherlayer->layer_info.id);
-		}
-		osd_device->ops.disable_layer(osd_device,
-				layer->layer_info.id);
-		osd_device->ops.release_layer(osd_device,
-				layer->layer_info.id);
-	}
-
-	_vb2_fop_release(file, NULL);
-	mutex_unlock(&layer->opslock);
-
-	disp_dev->cbcr_ofst = 0;
-
-	return 0;
-}
-
-/* vpbe capture ioctl operations */
-static const struct v4l2_ioctl_ops vpbe_ioctl_ops = {
-	.vidioc_querycap	 = vpbe_display_querycap,
-	.vidioc_g_fmt_vid_out    = vpbe_display_g_fmt,
-	.vidioc_enum_fmt_vid_out = vpbe_display_enum_fmt,
-	.vidioc_s_fmt_vid_out    = vpbe_display_s_fmt,
-	.vidioc_try_fmt_vid_out  = vpbe_display_try_fmt,
-
-	.vidioc_reqbufs		 = vb2_ioctl_reqbufs,
-	.vidioc_create_bufs	 = vb2_ioctl_create_bufs,
-	.vidioc_querybuf	 = vb2_ioctl_querybuf,
-	.vidioc_qbuf		 = vb2_ioctl_qbuf,
-	.vidioc_dqbuf		 = vb2_ioctl_dqbuf,
-	.vidioc_streamon	 = vb2_ioctl_streamon,
-	.vidioc_streamoff	 = vb2_ioctl_streamoff,
-	.vidioc_expbuf		 = vb2_ioctl_expbuf,
-
-	.vidioc_g_pixelaspect	 = vpbe_display_g_pixelaspect,
-	.vidioc_g_selection	 = vpbe_display_g_selection,
-	.vidioc_s_selection	 = vpbe_display_s_selection,
-
-	.vidioc_s_std		 = vpbe_display_s_std,
-	.vidioc_g_std		 = vpbe_display_g_std,
-
-	.vidioc_enum_output	 = vpbe_display_enum_output,
-	.vidioc_s_output	 = vpbe_display_s_output,
-	.vidioc_g_output	 = vpbe_display_g_output,
-
-	.vidioc_s_dv_timings	 = vpbe_display_s_dv_timings,
-	.vidioc_g_dv_timings	 = vpbe_display_g_dv_timings,
-	.vidioc_enum_dv_timings	 = vpbe_display_enum_dv_timings,
-};
-
-static const struct v4l2_file_operations vpbe_fops = {
-	.owner = THIS_MODULE,
-	.open = vpbe_display_open,
-	.release = vpbe_display_release,
-	.unlocked_ioctl = video_ioctl2,
-	.mmap = vb2_fop_mmap,
-	.poll =  vb2_fop_poll,
-};
-
-static int vpbe_device_get(struct device *dev, void *data)
-{
-	struct platform_device *pdev = to_platform_device(dev);
-	struct vpbe_display *vpbe_disp  = data;
-
-	if (strcmp("vpbe_controller", pdev->name) == 0)
-		vpbe_disp->vpbe_dev = platform_get_drvdata(pdev);
-
-	if (strstr(pdev->name, "vpbe-osd"))
-		vpbe_disp->osd_device = platform_get_drvdata(pdev);
-
-	return 0;
-}
-
-static int init_vpbe_layer(int i, struct vpbe_display *disp_dev,
-			   struct platform_device *pdev)
-{
-	struct vpbe_layer *vpbe_display_layer = NULL;
-	struct video_device *vbd = NULL;
-
-	/* Allocate memory for four plane display objects */
-	disp_dev->dev[i] = kzalloc(sizeof(*disp_dev->dev[i]), GFP_KERNEL);
-	if (!disp_dev->dev[i])
-		return  -ENOMEM;
-
-	spin_lock_init(&disp_dev->dev[i]->irqlock);
-	mutex_init(&disp_dev->dev[i]->opslock);
-
-	/* Get the pointer to the layer object */
-	vpbe_display_layer = disp_dev->dev[i];
-	vbd = &vpbe_display_layer->video_dev;
-	/* Initialize field of video device */
-	vbd->release	= video_device_release_empty;
-	vbd->fops	= &vpbe_fops;
-	vbd->ioctl_ops	= &vpbe_ioctl_ops;
-	vbd->minor	= -1;
-	vbd->v4l2_dev   = &disp_dev->vpbe_dev->v4l2_dev;
-	vbd->lock	= &vpbe_display_layer->opslock;
-	vbd->vfl_dir	= VFL_DIR_TX;
-	vbd->device_caps = V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_STREAMING;
-
-	if (disp_dev->vpbe_dev->current_timings.timings_type &
-			VPBE_ENC_STD)
-		vbd->tvnorms = (V4L2_STD_525_60 | V4L2_STD_625_50);
-
-	snprintf(vbd->name, sizeof(vbd->name),
-			"DaVinci_VPBE Display_DRIVER_V%d.%d.%d",
-			(VPBE_DISPLAY_VERSION_CODE >> 16) & 0xff,
-			(VPBE_DISPLAY_VERSION_CODE >> 8) & 0xff,
-			(VPBE_DISPLAY_VERSION_CODE) & 0xff);
-
-	vpbe_display_layer->device_id = i;
-
-	vpbe_display_layer->layer_info.id =
-		((i == VPBE_DISPLAY_DEVICE_0) ? WIN_VID0 : WIN_VID1);
-
-
-	return 0;
-}
-
-static int register_device(struct vpbe_layer *vpbe_display_layer,
-			   struct vpbe_display *disp_dev,
-			   struct platform_device *pdev)
-{
-	int err;
-
-	v4l2_info(&disp_dev->vpbe_dev->v4l2_dev,
-		  "Trying to register VPBE display device.\n");
-	v4l2_info(&disp_dev->vpbe_dev->v4l2_dev,
-		  "layer=%p,layer->video_dev=%p\n",
-		  vpbe_display_layer,
-		  &vpbe_display_layer->video_dev);
-
-	vpbe_display_layer->video_dev.queue = &vpbe_display_layer->buffer_queue;
-	err = video_register_device(&vpbe_display_layer->video_dev,
-				    VFL_TYPE_VIDEO,
-				    -1);
-	if (err)
-		return -ENODEV;
-
-	vpbe_display_layer->disp_dev = disp_dev;
-	/* set the driver data in platform device */
-	platform_set_drvdata(pdev, disp_dev);
-	video_set_drvdata(&vpbe_display_layer->video_dev,
-			  vpbe_display_layer);
-
-	return 0;
-}
-
-
-
-/*
- * vpbe_display_probe()
- * This function creates device entries by register itself to the V4L2 driver
- * and initializes fields of each layer objects
- */
-static int vpbe_display_probe(struct platform_device *pdev)
-{
-	struct vpbe_display *disp_dev;
-	struct v4l2_device *v4l2_dev;
-	struct resource *res = NULL;
-	struct vb2_queue *q;
-	int k;
-	int i;
-	int err;
-	int irq;
-
-	printk(KERN_DEBUG "vpbe_display_probe\n");
-	/* Allocate memory for vpbe_display */
-	disp_dev = devm_kzalloc(&pdev->dev, sizeof(*disp_dev), GFP_KERNEL);
-	if (!disp_dev)
-		return -ENOMEM;
-
-	spin_lock_init(&disp_dev->dma_queue_lock);
-	/*
-	 * Scan all the platform devices to find the vpbe
-	 * controller device and get the vpbe_dev object
-	 */
-	err = bus_for_each_dev(&platform_bus_type, NULL, disp_dev,
-			vpbe_device_get);
-	if (err < 0)
-		return err;
-
-	v4l2_dev = &disp_dev->vpbe_dev->v4l2_dev;
-	/* Initialize the vpbe display controller */
-	if (disp_dev->vpbe_dev->ops.initialize) {
-		err = disp_dev->vpbe_dev->ops.initialize(&pdev->dev,
-							 disp_dev->vpbe_dev);
-		if (err) {
-			v4l2_err(v4l2_dev, "Error initing vpbe\n");
-			err = -ENOMEM;
-			goto probe_out;
-		}
-	}
-
-	for (i = 0; i < VPBE_DISPLAY_MAX_DEVICES; i++) {
-		if (init_vpbe_layer(i, disp_dev, pdev)) {
-			err = -ENODEV;
-			goto probe_out;
-		}
-	}
-
-	res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
-	if (!res) {
-		v4l2_err(v4l2_dev, "Unable to get VENC interrupt resource\n");
-		err = -ENODEV;
-		goto probe_out;
-	}
-
-	irq = res->start;
-	err = devm_request_irq(&pdev->dev, irq, venc_isr, 0,
-			       VPBE_DISPLAY_DRIVER, disp_dev);
-	if (err) {
-		v4l2_err(v4l2_dev, "VPBE IRQ request failed\n");
-		goto probe_out;
-	}
-
-	for (i = 0; i < VPBE_DISPLAY_MAX_DEVICES; i++) {
-		/* initialize vb2 queue */
-		q = &disp_dev->dev[i]->buffer_queue;
-		memset(q, 0, sizeof(*q));
-		q->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
-		q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
-		q->drv_priv = disp_dev->dev[i];
-		q->ops = &video_qops;
-		q->mem_ops = &vb2_dma_contig_memops;
-		q->buf_struct_size = sizeof(struct vpbe_disp_buffer);
-		q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
-		q->min_buffers_needed = 1;
-		q->lock = &disp_dev->dev[i]->opslock;
-		q->dev = disp_dev->vpbe_dev->pdev;
-		err = vb2_queue_init(q);
-		if (err) {
-			v4l2_err(v4l2_dev, "vb2_queue_init() failed\n");
-			goto probe_out;
-		}
-
-		INIT_LIST_HEAD(&disp_dev->dev[i]->dma_queue);
-
-		if (register_device(disp_dev->dev[i], disp_dev, pdev)) {
-			err = -ENODEV;
-			goto probe_out;
-		}
-	}
-
-	v4l2_dbg(1, debug, v4l2_dev,
-		 "Successfully completed the probing of vpbe v4l2 device\n");
-
-	return 0;
-
-probe_out:
-	for (k = 0; k < VPBE_DISPLAY_MAX_DEVICES; k++) {
-		/* Unregister video device */
-		if (disp_dev->dev[k]) {
-			video_unregister_device(&disp_dev->dev[k]->video_dev);
-			kfree(disp_dev->dev[k]);
-		}
-	}
-	return err;
-}
-
-/*
- * vpbe_display_remove()
- * It un-register hardware layer from V4L2 driver
- */
-static int vpbe_display_remove(struct platform_device *pdev)
-{
-	struct vpbe_layer *vpbe_display_layer;
-	struct vpbe_display *disp_dev = platform_get_drvdata(pdev);
-	struct vpbe_device *vpbe_dev = disp_dev->vpbe_dev;
-	int i;
-
-	v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "vpbe_display_remove\n");
-
-	/* deinitialize the vpbe display controller */
-	if (vpbe_dev->ops.deinitialize)
-		vpbe_dev->ops.deinitialize(&pdev->dev, vpbe_dev);
-	/* un-register device */
-	for (i = 0; i < VPBE_DISPLAY_MAX_DEVICES; i++) {
-		/* Get the pointer to the layer object */
-		vpbe_display_layer = disp_dev->dev[i];
-		/* Unregister video device */
-		video_unregister_device(&vpbe_display_layer->video_dev);
-
-	}
-	for (i = 0; i < VPBE_DISPLAY_MAX_DEVICES; i++) {
-		kfree(disp_dev->dev[i]);
-		disp_dev->dev[i] = NULL;
-	}
-
-	return 0;
-}
-
-static struct platform_driver vpbe_display_driver = {
-	.driver = {
-		.name = VPBE_DISPLAY_DRIVER,
-		.bus = &platform_bus_type,
-	},
-	.probe = vpbe_display_probe,
-	.remove = vpbe_display_remove,
-};
-
-module_platform_driver(vpbe_display_driver);
-
-MODULE_DESCRIPTION("TI DM644x/DM355/DM365 VPBE Display controller");
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Texas Instruments");