diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c
index 6f5a866..5863c5b 100644
--- a/arch/arm/mach-omap2/board-omap3evm.c
+++ b/arch/arm/mach-omap2/board-omap3evm.c
@@ -42,7 +42,6 @@
 #include "twl4030-generic-scripts.h"
 #include "mmc-twl4030.h"

-
 static struct resource omap3evm_smc911x_resources[] = {
 	[0] =	{
 		.start  = OMAP3EVM_ETHR_START,
@@ -63,6 +62,20 @@ static struct platform_device omap3evm_smc911x_device = {
 	.resource	= &omap3evm_smc911x_resources [0],
 };

+#ifdef CONFIG_FB_OMAP2
+static struct resource omap3evm_vout_resource[3 - CONFIG_FB_OMAP2_NUM_FBS] = {
+};
+#else
+static struct resource omap3evm_vout_resource[2] = {
+};
+#endif
+
+static struct platform_device omap3evm_vout_device = {
+	.name			= "omap_vout",
+	.num_resources	= ARRAY_SIZE(omap3evm_vout_resource),
+	.resource 		= &omap3evm_vout_resource[0],
+	.id		= -1,
+};
 static inline void __init omap3evm_init_smc911x(void)
 {
 	int eth_cs;
@@ -363,7 +376,6 @@ static struct omap_dss_display_config omap3_evm_display_data_tv = {
 	.panel_disable = omap3_evm_panel_disable_tv,
 };

-
 static int omap3_evm_panel_enable_dvi(struct omap_display *display)
 {
 	if (lcd_enabled) {
@@ -489,6 +501,8 @@ static struct omap_board_config_kernel omap3_evm_config[] __initdata = {
 static struct platform_device *omap3_evm_devices[] __initdata = {
 	&omap3_evm_dss_device,
 	&omap3evm_smc911x_device,
+	&omap3evm_vout_device,
+
 };

 static void __init omap3_evm_init(void)
diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig
index 19cf3b8..5c3fc8c 100644
--- a/drivers/media/video/Kconfig
+++ b/drivers/media/video/Kconfig
@@ -711,6 +711,18 @@ config VIDEO_CAFE_CCIC
 	  CMOS camera controller.  This is the controller found on first-
 	  generation OLPC systems.

+config VIDEO_OMAP3
+	bool "OMAP2/OMAP3 Camera and V4L2-DSS drivers"
+	select VIDEOBUF_GEN
+	select VIDEOBUF_DMA_SG
+	select OMAP2_DSS
+	depends on VIDEO_DEV && (ARCH_OMAP24XX || ARCH_OMAP34XX)
+	default y
+	---help---
+        V4L2 DSS and Camera driver support for OMAP2/3 based boards.
+
+source "drivers/media/video/omap/Kconfig"
+
 config SOC_CAMERA
 	tristate "SoC camera support"
 	depends on VIDEO_V4L2 && HAS_DMA
diff --git a/drivers/media/video/Makefile b/drivers/media/video/Makefile
index 72f6d03..59ff24e 100644
--- a/drivers/media/video/Makefile
+++ b/drivers/media/video/Makefile
@@ -108,6 +108,8 @@ obj-$(CONFIG_VIDEO_OV7670) 	+= ov7670.o

 obj-$(CONFIG_VIDEO_TCM825X) += tcm825x.o

+obj-$(CONFIG_VIDEO_OMAP3) += omap/
+
 obj-$(CONFIG_USB_DABUSB)        += dabusb.o
 obj-$(CONFIG_USB_OV511)         += ov511.o
 obj-$(CONFIG_USB_SE401)         += se401.o
diff --git a/drivers/media/video/omap/Kconfig b/drivers/media/video/omap/Kconfig
new file mode 100644
index 0000000..d7293a4
--- /dev/null
+++ b/drivers/media/video/omap/Kconfig
@@ -0,0 +1,27 @@
+config VIDEO_OMAP_VIDEOLIB
+	tristate "OMAP Video out library"
+	depends on VIDEO_OMAP3
+	default VIDEO_OMAP3
+
+config VIDEO_OMAP_VIDEOOUT
+	tristate "OMAP Video out driver"
+	select VIDEOBUF_DMA_SG
+	select VIDEOBUF_GEN
+	depends on VIDEO_OMAP3
+	default VIDEO_OMAP3
+
+choice
+        prompt "TV Mode"
+        default NTSC_M
+
+config NTSC_M
+        bool "Use NTSC_M mode"
+        help
+          Select this option if you want NTSC_M mode on TV
+
+config PAL_BDGHI
+        bool "Use PAL_BDGHI mode"
+        help
+          Select this option if you want PAL_BDGHI mode on TV
+
+endchoice
diff --git a/drivers/media/video/omap/Makefile b/drivers/media/video/omap/Makefile
new file mode 100644
index 0000000..75e01d3
--- /dev/null
+++ b/drivers/media/video/omap/Makefile
@@ -0,0 +1,3 @@
+obj-$(CONFIG_VIDEO_OMAP_VIDEOLIB) += omap_voutlib.o
+obj-$(CONFIG_VIDEO_OMAP_VIDEOOUT) += omap_vout.o
+
diff --git a/drivers/media/video/omap/omap_vout.c b/drivers/media/video/omap/omap_vout.c
new file mode 100644
index 0000000..9b4a0d7
--- /dev/null
+++ b/drivers/media/video/omap/omap_vout.c
@@ -0,0 +1,2636 @@
+/*
+ * drivers/media/video/omap/omap_vout.c
+ *
+ * Copyright (C) 2005-2009 Texas Instruments.
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ *
+ * Leveraged code from the OMAP2 camera driver
+ * Video-for-Linux (Version 2) camera capture driver for
+ * the OMAP24xx camera controller.
+ *
+ * Author: Andy Lowe (source@mvista.com)
+ *
+ * Copyright (C) 2004 MontaVista Software, Inc.
+ * Copyright (C) 2009 Texas Instruments.
+ *
+ * History:
+ * 20-APR-2006	Khasim		Modified VRFB based Rotation,
+ *				The image data is always read from 0 degree
+ *				view and written
+ *				to the virtual space of desired rotation angle
+ * 4-DEC-2006 Jian		Changed to support better memory management
+ *
+ * 17-Nov-2008 Hardik		Changed to used the new DSS paches by Tomi
+ *				Changed driver to use video_ioctl2
+ *
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/errno.h>
+#include <linux/fs.h>
+#include <linux/kernel.h>
+#include <linux/vmalloc.h>
+#include <linux/slab.h>
+#include <linux/sched.h>
+#include <linux/smp_lock.h>
+#include <linux/interrupt.h>
+#include <linux/kdev_t.h>
+#include <linux/types.h>
+#include <linux/wait.h>
+#include <linux/videodev2.h>
+#include <linux/pci.h>
+#include <linux/platform_device.h>
+#include <media/videobuf-dma-sg.h>
+#include <linux/input.h>
+#include <linux/dma-mapping.h>
+#include <media/v4l2-dev.h>
+#include <media/v4l2-ioctl.h>
+#include <mach/display.h>
+#include <linux/io.h>
+#include <linux/irq.h>
+#include <linux/semaphore.h>
+#include <asm/processor.h>
+#include <mach/dma.h>
+#include <mach/vrfb.h>
+#include <media/v4l2-common.h>
+#include <mach/display.h>
+#include "omap_voutlib.h"
+#include "omap_voutdef.h"
+
+#define OMAP_VIDEO1 0
+#define OMAP_VIDEO2 1
+
+/* configuration macros */
+#define VOUT_NAME		"omap_vout"
+
+#define QQVGA_WIDTH		160
+#define QQVGA_HEIGHT		120
+
+#define NUM_OF_VIDEO_CHANNELS	2
+
+#define VID_MAX_WIDTH		1280	/* Largest width */
+#define VID_MAX_HEIGHT		720/* Largest height */
+
+/* Mimimum requirement is 2x2 for DSS */
+#define VID_MIN_WIDTH		2
+#define VID_MIN_HEIGHT		2
+
+/* 2048 x 2048 is max res supported by OMAP display controller */
+#define DMA_CHAN_ALLOTED        1
+#define DMA_CHAN_NOT_ALLOTED    0
+#define MAX_PIXELS_PER_LINE     2048
+#define VRFB_TX_TIMEOUT         1000
+
+/* IRQ Bits mask of DSS */
+#define OMAP_VOUT_MAX_BUF_SIZE (VID_MAX_WIDTH*VID_MAX_HEIGHT*4)
+
+static struct videobuf_queue_ops video_vbq_ops;
+
+static u32 video1_numbuffers = 3;
+static u32 video2_numbuffers = 3;
+static u32 video1_bufsize = OMAP_VOUT_MAX_BUF_SIZE;
+static u32 video2_bufsize = OMAP_VOUT_MAX_BUF_SIZE;
+static u32 vid1_static_vrfb_alloc;
+static u32 vid2_static_vrfb_alloc;
+static int debug;
+
+/* Module parameters */
+module_param(video1_numbuffers, uint, S_IRUGO);
+MODULE_PARM_DESC(video1_numbuffers, "Number of buffers to be allocated at \
+		init time for Video1 device.");
+
+module_param(video2_numbuffers, uint, S_IRUGO);
+MODULE_PARM_DESC(video2_numbuffers, "Number of buffers to be allocated at \
+		init time for Video2 device.");
+
+module_param(video1_bufsize, uint, S_IRUGO);
+MODULE_PARM_DESC(video1_bufsize, "Size of the buffer to be allocated for \
+		video1 device");
+
+module_param(video2_bufsize, uint, S_IRUGO);
+MODULE_PARM_DESC(video2_bufsize, "Size of the buffer to be allocated for \
+		video2 device");
+
+module_param(vid1_static_vrfb_alloc, bool, S_IRUGO);
+MODULE_PARM_DESC(vid1_static_vrfb_alloc, "Static allocation of the VRFB \
+		buffer for video1 device");
+
+module_param(vid2_static_vrfb_alloc, bool, S_IRUGO);
+MODULE_PARM_DESC(vid2_static_vrfb_alloc, "Static allocation of the VRFB \
+		buffer for video2 device");
+
+module_param(debug, bool, S_IRUGO);
+MODULE_PARM_DESC(debug, "Debug level (0-1)");
+
+/* Local Helper functions */
+static int omap_vout_create_video_devices(struct platform_device *pdev);
+static int omapvid_apply_changes(struct omap_vout_device *vout);
+static int omapvid_init(struct omap_vout_device *vout, u32 addr);
+static int omapvid_setup_overlay(struct omap_vout_device *vout,
+		struct omap_overlay *ovl, int posx, int posy,
+		int outw, int outh, u32 addr);
+static enum omap_color_mode video_mode_to_dss_mode(struct omap_vout_device
+		*vout);
+static void omap_vout_isr(void *arg, unsigned int irqstatus);
+static void omap_vout_cleanup_device(struct omap_vout_device *vout);
+
+/*
+ * Maximum amount of memory to use for rendering buffers.
+ * Default is enough to four (RGB24) DVI 720P buffers.
+ */
+#define MAX_ALLOWED_VIDBUFFERS            4
+
+/* list of image formats supported by OMAP2 video pipelines */
+const static struct v4l2_fmtdesc omap_formats[] = {
+	{
+	 /* Note:  V4L2 defines RGB565 as:
+	  *
+	  *      Byte 0                    Byte 1
+	  *      g2 g1 g0 r4 r3 r2 r1 r0   b4 b3 b2 b1 b0 g5 g4 g3
+	  *
+	  * We interpret RGB565 as:
+	  *
+	  *      Byte 0                    Byte 1
+	  *      g2 g1 g0 b4 b3 b2 b1 b0   r4 r3 r2 r1 r0 g5 g4 g3
+	  */
+	 .description = "RGB565, le",
+	 .pixelformat = V4L2_PIX_FMT_RGB565,
+	 },
+	{
+	 /* Note:  V4L2 defines RGB32 as: RGB-8-8-8-8  we use
+	  *  this for RGB24 unpack mode, the last 8 bits are ignored
+	  * */
+	 .description = "RGB32, le",
+	 .pixelformat = V4L2_PIX_FMT_RGB32,
+	 },
+	{
+	 /* Note:  V4L2 defines RGB24 as: RGB-8-8-8  we use
+	  *        this for RGB24 packed mode
+	  *
+	  */
+	 .description = "RGB24, le",
+	 .pixelformat = V4L2_PIX_FMT_RGB24,
+	 },
+	{
+	 .description = "YUYV (YUV 4:2:2), packed",
+	 .pixelformat = V4L2_PIX_FMT_YUYV,
+	 },
+	{
+	 .description = "UYVY, packed",
+	 .pixelformat = V4L2_PIX_FMT_UYVY,
+	 },
+};
+
+#define NUM_OUTPUT_FORMATS (sizeof(omap_formats)/sizeof(omap_formats[0]))
+
+/* Allocate buffers */
+static unsigned long omap_vout_alloc_buffer(u32 buf_size, u32 *phys_addr)
+{
+	unsigned long virt_addr, addr;
+	u32 order, size;
+
+	size = PAGE_ALIGN(buf_size);
+	order = get_order(size);
+	virt_addr = __get_free_pages(GFP_KERNEL | GFP_DMA, order);
+	addr = virt_addr;
+
+	if (virt_addr) {
+		while (size > 0) {
+			SetPageReserved(virt_to_page(addr));
+			addr += PAGE_SIZE;
+			size -= PAGE_SIZE;
+		}
+	}
+	*phys_addr = (u32) virt_to_phys((void *) virt_addr);
+	return virt_addr;
+}
+
+/* Free buffers */
+static void omap_vout_free_buffer(unsigned long virtaddr, u32 phys_addr,
+			 u32 buf_size)
+{
+	unsigned long addr = virtaddr;
+	u32 order, size;
+
+	size = PAGE_ALIGN(buf_size);
+	order = get_order(size);
+
+	while (size > 0) {
+		ClearPageReserved(virt_to_page(addr));
+		addr += PAGE_SIZE;
+		size -= PAGE_SIZE;
+	}
+	free_pages((unsigned long) virtaddr, order);
+}
+
+/* Function for allocating video buffers */
+static int omap_vout_allocate_vrfb_buffers(struct omap_vout_device *vout,
+		int count)
+{
+	int i, j;
+
+	for (i = 0; i < count; i++) {
+		if (!vout->smsshado_virt_addr[i]) {
+			vout->smsshado_virt_addr[i] =
+				omap_vout_alloc_buffer(vout->smsshado_size,
+						&vout->smsshado_phy_addr[i]);
+		}
+		if (!vout->smsshado_virt_addr[i]) {
+			for (j = 0; j < i; j++) {
+				omap_vout_free_buffer(
+						vout->smsshado_virt_addr[j],
+						vout->smsshado_phy_addr[j],
+						vout->smsshado_size);
+				vout->smsshado_virt_addr[j] = 0;
+				vout->smsshado_phy_addr[j] = 0;
+			}
+			count = 0;
+			return -ENOMEM;
+		}
+		memset((void *) vout->smsshado_virt_addr[i], 0,
+				vout->smsshado_size);
+	}
+	return 0;
+}
+
+/* Try format */
+static int omap_vout_try_format(struct v4l2_pix_format *pix,
+				struct v4l2_pix_format *def_pix)
+{
+	int ifmt, bpp = 0;
+
+	if (pix->width > VID_MAX_WIDTH)
+		pix->width = VID_MAX_WIDTH;
+	if (pix->height > VID_MAX_HEIGHT)
+		pix->height = VID_MAX_HEIGHT;
+
+	if (pix->width <= VID_MIN_WIDTH)
+		pix->width = def_pix->width;
+	if (pix->height <= VID_MIN_HEIGHT)
+		pix->height = def_pix->height;
+
+	for (ifmt = 0; ifmt < NUM_OUTPUT_FORMATS; ifmt++) {
+		if (pix->pixelformat == omap_formats[ifmt].pixelformat)
+			break;
+	}
+
+	if (ifmt == NUM_OUTPUT_FORMATS)
+		ifmt = 0;
+
+	pix->pixelformat = omap_formats[ifmt].pixelformat;
+	pix->field = V4L2_FIELD_ANY;
+	pix->priv = 0;
+
+	switch (pix->pixelformat) {
+	case V4L2_PIX_FMT_YUYV:
+	case V4L2_PIX_FMT_UYVY:
+	default:
+		pix->colorspace = V4L2_COLORSPACE_JPEG;
+		bpp = YUYV_BPP;
+		break;
+	case V4L2_PIX_FMT_RGB565:
+	case V4L2_PIX_FMT_RGB565X:
+		pix->colorspace = V4L2_COLORSPACE_SRGB;
+		bpp = RGB565_BPP;
+		break;
+	case V4L2_PIX_FMT_RGB24:
+		pix->colorspace = V4L2_COLORSPACE_SRGB;
+		bpp = RGB24_BPP;
+		break;
+	case V4L2_PIX_FMT_RGB32:
+	case V4L2_PIX_FMT_BGR32:
+		pix->colorspace = V4L2_COLORSPACE_SRGB;
+		bpp = RGB32_BPP;
+		break;
+	}
+	pix->bytesperline = pix->width * bpp;
+	pix->sizeimage = pix->bytesperline * pix->height;
+	return bpp;
+}
+
+/*
+ * omap_vout_uservirt_to_phys: This inline function is used to convert user
+ * space virtual address to physical address.
+ */
+static inline u32 omap_vout_uservirt_to_phys(u32 virtp)
+{
+	unsigned long physp = 0;
+	struct mm_struct *mm = current->mm;
+	struct vm_area_struct *vma;
+
+	vma = find_vma(mm, virtp);
+	/* For kernel direct-mapped memory, take the easy way */
+	if (virtp >= PAGE_OFFSET) {
+		physp = virt_to_phys((void *) virtp);
+	} else if ((vma) && (vma->vm_flags & VM_IO)
+			&& (vma->vm_pgoff)) {
+		/* this will catch, kernel-allocated,
+		   mmaped-to-usermode addresses */
+		physp = (vma->vm_pgoff << PAGE_SHIFT) + (virtp - vma->vm_start);
+	} else {
+		/* otherwise, use get_user_pages() for general userland pages */
+		int res, nr_pages = 1;
+		struct page *pages;
+		down_read(&current->mm->mmap_sem);
+
+		res = get_user_pages(current, current->mm, virtp, nr_pages,
+				1, 0, &pages, NULL);
+		up_read(&current->mm->mmap_sem);
+
+		if (res == nr_pages) {
+			physp =  __pa(page_address(&pages[0]) +
+					(virtp & ~PAGE_MASK));
+		} else {
+			printk(KERN_WARNING VOUT_NAME
+				"omap_vout_uservirt_to_phys:\
+					get_user_pages failed\n");
+			return 0;
+		}
+	}
+
+	return physp;
+}
+
+/* This functions wakes up the application once
+ * the DMA transfer to VRFB space is completed. */
+static void omap_vout_vrfb_dma_tx_callback(int lch, u16 ch_status, void *data)
+{
+	struct vid_vrfb_dma *t = (struct vid_vrfb_dma *) data;
+
+	t->tx_status = 1;
+	wake_up_interruptible(&t->wait);
+}
+
+/* Release the VRFB context once the module exits */
+static void omap_vout_release_vrfb(struct omap_vout_device *vout)
+{
+	int i;
+
+	for (i = 0; i < 4; i++)
+		omap_vrfb_release_ctx(&vout->vrfb_context[i]);
+
+	if (vout->vrfb_dma_tx.req_status == DMA_CHAN_ALLOTED) {
+		vout->vrfb_dma_tx.req_status = DMA_CHAN_NOT_ALLOTED;
+		omap_free_dma(vout->vrfb_dma_tx.dma_ch);
+	}
+
+}
+
+/* Return true if rotation is 90 or 270 */
+static inline int rotate_90_or_270(int rotation)
+{
+	return rotation == 1 || rotation == 3;
+}
+
+/* Return true if rotation is enabled */
+static inline int rotation_enabled(int rotation)
+{
+	return rotation != -1;
+}
+
+/* Reverse the rotation degree if mirroring is enabled */
+static inline int rotation_with_mirror(int rotation)
+{
+	return (rotation == 1) ? 3 :
+		(rotation == 3) ? 1 :
+		(rotation == 2) ? 0 : 2;
+}
+
+/* Free the V4L2 buffers */
+static void omap_vout_free_buffers(struct omap_vout_device *vout)
+{
+	int i, numbuffers;
+
+	/* Allocate memory for the buffes */
+	numbuffers = (vout->vid) ?  video2_numbuffers : video1_numbuffers;
+	vout->buffer_size = (vout->vid) ? video2_bufsize : video1_bufsize;
+
+	for (i = 0; i < numbuffers; i++) {
+		omap_vout_free_buffer(vout->buf_virt_addr[i],
+			 vout->buf_phy_addr[i], vout->buffer_size);
+		vout->buf_phy_addr[i] = 0;
+		vout->buf_virt_addr[i] = 0;
+	}
+}
+
+/* Free VRFB buffers */
+static void omap_vout_free_vrfb_buffers(struct omap_vout_device *vout)
+{
+	int j;
+
+	for (j = 0; j < 4; j++) {
+		omap_vout_free_buffer(vout->smsshado_virt_addr[j],
+				vout->smsshado_phy_addr[j],
+				vout->smsshado_size);
+		vout->smsshado_virt_addr[j] = 0;
+		vout->smsshado_phy_addr[j] = 0;
+	}
+}
+
+/* Allocate the buffers for the VRFB space.  Data is copied from V4L2
+ * buffers to the VRFB buffers using the DMA engine.*/
+static int omap_vout_vrfb_buffer_setup(struct omap_vout_device *vout,
+			  unsigned int *count, unsigned int startindex)
+{
+	int i, j;
+
+	/* Allocate the VRFB buffers only if the buffers are not
+	 * allocated during init time.
+	 */
+	if ((rotation_enabled(vout->rotation)) &&
+			!vout->vrfb_static_allocation) {
+		for (i = 0; i < *count; i++) {
+			if (!vout->smsshado_virt_addr[i]) {
+				vout->smsshado_virt_addr[i] =
+					omap_vout_alloc_buffer(
+						vout->smsshado_size,
+						&vout->smsshado_phy_addr[i]);
+			}
+			if (!vout->smsshado_virt_addr[i]) {
+				if (V4L2_MEMORY_MMAP == vout->memory
+						&& i >= startindex)
+					break;
+				for (j = 0; j < i; j++) {
+					omap_vout_free_buffer(
+						vout->smsshado_virt_addr[j],
+						vout->smsshado_phy_addr[j],
+						vout->smsshado_size);
+					vout->smsshado_virt_addr[j] = 0;
+					vout->smsshado_phy_addr[j] = 0;
+				}
+				*count = 0;
+				return -ENOMEM;
+			}
+
+			memset((void *) vout->smsshado_virt_addr[i], 0,
+					vout->smsshado_size);
+		}
+	}
+	for (i = 0; i < *count; i++) {
+			omap_vrfb_setup(&vout->vrfb_context[i],
+				vout->smsshado_phy_addr[i],
+				vout->pix.width, vout->pix.height,
+				vout->dss_mode);
+	}
+	return 0;
+}
+
+/* Convert V4L2 rotation to DSS rotation
+ * V4L2 understand 0, 90, 180, 270.
+ * convert to 0, 1, 2 and 3 repsectively for DSS */
+static int v4l2_rot_to_dss_rot(int v4l2_rotation, int *dss_rotation,
+		int mirror)
+{
+	switch (v4l2_rotation) {
+	case 90:
+		*dss_rotation = 1;
+		return 0;
+	case 180:
+		*dss_rotation = 2;
+		return 0;
+	case 270:
+		*dss_rotation = 3;
+		return 0;
+	case 0:
+		if (mirror)
+			*dss_rotation = 0;
+		else
+			*dss_rotation = -1;
+		return 0;
+	default:
+		return -EINVAL;
+	}
+
+}
+
+/* Calculate the buffer offsets from which the streaming should
+ * start.  This offset calculation is mainly required because of
+ * the VRFB 32 pixels alignment with rotation
+ */
+static int omap_vout_calculate_offset(struct omap_vout_device *vout)
+{
+	struct v4l2_pix_format *pix = &(vout->pix);
+	struct v4l2_rect *crop = &(vout->crop);
+	struct v4l2_window *win = &(vout->win);
+	int rotation;
+	int mirroring = vout->mirror;
+	int vr_ps = 1, ps = 2, temp_ps = 2;
+	int offset = 0, ctop = 0, cleft = 0, line_length = 0;
+	struct omapvideo_info *ovid;
+	struct omap_overlay *ovl;
+	struct omap_display *cur_display;
+	int *cropped_offset = &(vout->cropped_offset);
+
+	ovid = &(vout->vid_info);
+	ovl = ovid->overlays[0];
+	/* get the display device attached to the overlay */
+	if (!ovl->manager || !ovl->manager->display)
+		return -1;
+	cur_display = ovl->manager->display;
+
+	if ((cur_display->type == OMAP_DISPLAY_TYPE_VENC) &&
+	    ((win->w.width == crop->width)
+	     && (win->w.height == crop->height)))
+		vout->flicker_filter = 1;
+	else
+		vout->flicker_filter = 0;
+
+	if (1 == vout->mirror)
+		rotation = rotation_with_mirror(vout->rotation);
+	else
+		rotation = vout->rotation;
+
+	if (V4L2_PIX_FMT_YUYV == pix->pixelformat ||
+	    V4L2_PIX_FMT_UYVY == pix->pixelformat) {
+		if (rotation_enabled(vout->rotation)) {
+			/*
+			 * ps    - Actual pixel size for YUYV/UYVY for
+			 *              VRFB/Mirroring is 4 bytes
+			 * vr_ps - Virtually pixel size for YUYV/UYVY is
+			 *              2 bytes
+			 */
+			ps = 4;
+			vr_ps = 2;
+		} else {
+			ps = 2;	/* otherwise the pixel size is 2 byte */
+		}
+	} else if (V4L2_PIX_FMT_RGB32 == pix->pixelformat) {
+		ps = 4;
+	} else if (V4L2_PIX_FMT_RGB24 == pix->pixelformat) {
+		ps = 3;
+	}
+	vout->ps = ps;
+	vout->vr_ps = vr_ps;
+	if (rotation_enabled(vout->rotation)) {
+		line_length = MAX_PIXELS_PER_LINE;
+		ctop = (pix->height - crop->height) - crop->top;
+		cleft = (pix->width - crop->width) - crop->left;
+	} else {
+		line_length = pix->width;
+	}
+	vout->line_length = line_length;
+	switch (rotation) {
+	case 1:
+		offset = vout->vrfb_context[0].yoffset *
+			vout->vrfb_context[0].bytespp;
+		temp_ps = ps / vr_ps;
+		if (mirroring == 0) {
+			*cropped_offset = offset + line_length *
+				temp_ps * cleft + crop->top * temp_ps;
+		} else {
+			*cropped_offset = offset + line_length * temp_ps *
+				cleft + crop->top * temp_ps + (line_length *
+				((crop->width / (vr_ps)) - 1) * ps);
+		}
+		break;
+	case 2:
+		offset = ((MAX_PIXELS_PER_LINE * vout->vrfb_context[0].yoffset *
+			vout->vrfb_context[0].bytespp) +
+			(vout->vrfb_context[0].xoffset *
+			vout->vrfb_context[0].bytespp));
+		if (mirroring == 0) {
+			*cropped_offset = offset + (line_length * ps * ctop) +
+				(cleft / vr_ps) * ps;
+
+		} else {
+			*cropped_offset = offset + (line_length * ps * ctop) +
+				(cleft / vr_ps) * ps + (line_length *
+				(crop->height - 1) * ps);
+		}
+		break;
+	case 3:
+		offset = MAX_PIXELS_PER_LINE * vout->vrfb_context[0].xoffset *
+			vout->vrfb_context[0].bytespp;
+		temp_ps = ps / vr_ps;
+		if (mirroring == 0) {
+			*cropped_offset = offset + line_length *
+			    temp_ps * crop->left + ctop * ps;
+		} else {
+			*cropped_offset = offset + line_length *
+				temp_ps * crop->left + ctop * ps +
+				(line_length * ((crop->width / vr_ps) - 1) *
+				 ps);
+		}
+		break;
+	case 0:
+		if (mirroring == 0) {
+			*cropped_offset = (line_length * ps) *
+				crop->top + (crop->left / vr_ps) * ps;
+		} else {
+			*cropped_offset = (line_length * ps) *
+				crop->top + (crop->left / vr_ps) * ps +
+				(line_length * (crop->height - 1) * ps);
+		}
+		break;
+	default:
+		if (mirroring == 0) {
+			*cropped_offset =
+			    line_length * ps * crop->top + crop->left * ps;
+		} else {
+			*cropped_offset = (line_length * ps * crop->top) /
+				vr_ps + (crop->left * ps) / vr_ps +
+				((crop->width / vr_ps) - 1) * ps;
+		}
+		break;
+	}
+	v4l2_dbg(1, debug, vout->dev->driver,
+	"%s Offset:%x\n", __func__, *cropped_offset);
+	return 0;
+}
+
+/* Initialize the overlay structure */
+int omapvid_init(struct omap_vout_device *vout, u32 addr)
+{
+	int r = 0;
+	struct omapvideo_info *ovid = &(vout->vid_info);
+	struct omap_overlay *ovl;
+	int posx, posy;
+	int outw, outh, temp, rotation;
+	int i;
+	struct v4l2_window *win;
+	struct omap_video_timings *timing;
+
+	win = &vout->win;
+	rotation = vout->rotation;
+	for (i = 0; i < ovid->num_overlays; i++) {
+		ovl = ovid->overlays[i];
+		if (!ovl->manager || !ovl->manager->display)
+			return -EINVAL;
+
+		timing = &ovl->manager->display->panel->timings;
+
+		outw = win->w.width;
+		outh = win->w.height;
+		switch (rotation) {
+
+		case 1:
+			/* Invert the height and widht for 90
+			 * and 270 degree rotation
+			 */
+			temp = outw;
+			outw = outh;
+			outh = temp;
+			posy = (timing->y_res - win->w.width)-
+				win->w.left;
+			posx = win->w.top;
+			break;
+
+		case 2:
+			posx = (timing->x_res - win->w.width) -
+				win->w.left;
+			posy = (timing->y_res - win->w.height) -
+				win->w.top;
+			break;
+
+		case 3:
+			temp = outw;
+			outw = outh;
+			outh = temp;
+			posy = win->w.left;
+			posx = (timing->x_res - win->w.height)
+				- win->w.top;
+			break;
+
+		default:
+			posx = win->w.left;
+			posy = win->w.top;
+			break;
+		}
+
+		r = omapvid_setup_overlay(vout, ovl, posx, posy, outw,
+				outh, addr);
+		if (r)
+			goto err;
+	}
+	return 0;
+err:
+	printk(KERN_WARNING VOUT_NAME "apply_changes failed\n");
+	return r;
+}
+
+/*  Apply the changes set the go bit of DSS */
+int omapvid_apply_changes(struct omap_vout_device *vout)
+{
+	struct omapvideo_info *ovid = &(vout->vid_info);
+	struct omap_overlay *ovl;
+	int i;
+
+	for (i = 0; i < ovid->num_overlays; i++) {
+		ovl = ovid->overlays[i];
+		if (!ovl->manager || !ovl->manager->display)
+			return -EINVAL;
+		ovl->manager->apply(ovl->manager);
+	}
+	return 0;
+
+}
+
+/* Setup the overlay */
+int omapvid_setup_overlay(struct omap_vout_device *vout,
+		struct omap_overlay *ovl, int posx, int posy, int outw,
+		int outh, u32 addr)
+{
+	int r = 0;
+	enum omap_color_mode mode = 0;
+	int rotation, mirror;
+	int cropheight, cropwidth, pixheight, pixwidth;
+	struct omap_overlay_info info;
+
+	if ((ovl->caps & OMAP_DSS_OVL_CAP_SCALE) == 0 &&
+			(outw != vout->pix.width || outh != vout->pix.height)) {
+		r = -EINVAL;
+		goto err;
+	}
+
+	vout->dss_mode = video_mode_to_dss_mode(vout);
+
+	if (mode == -EINVAL) {
+		r = -EINVAL;
+		goto err;
+	}
+
+	rotation = vout->rotation;
+	mirror = vout->mirror;
+
+	/* Setup the input plane parameters according to
+	 * rotation value selected.
+	 */
+	if (rotate_90_or_270(vout->rotation)) {
+		cropheight = vout->crop.width;
+		cropwidth = vout->crop.height;
+		pixheight = vout->pix.width;
+		pixwidth = vout->pix.height;
+	} else {
+		cropheight = vout->crop.height;
+		cropwidth = vout->crop.width;
+		pixheight = vout->pix.height;
+		pixwidth = vout->pix.width;
+	}
+
+	ovl->get_overlay_info(ovl, &info);
+	info.paddr = addr;
+	info.vaddr = NULL;
+	info.width = cropwidth;
+	info.height = cropheight;
+	info.color_mode = vout->dss_mode;
+	info.mirror = mirror;
+	info.pos_x = posx;
+	info.pos_y = posy;
+	info.out_width = outw;
+	info.out_height = outh;
+	if (!rotation_enabled(vout->rotation)) {
+		info.rotation = 0;
+		info.rotation_type = OMAP_DSS_ROT_DMA;
+		info.screen_width = pixwidth;
+	} else {
+		info.rotation = vout->rotation;
+		info.rotation_type = OMAP_DSS_ROT_VRFB;
+		info.screen_width = 2048;
+	}
+
+	v4l2_dbg(1, debug, vout->dev->driver,
+	"%s info.enable=%d info.addr=%x info.width=%d\n info.height=%d \
+	info.color_mode=%d info.rotation=%d info.mirror=%d\n \
+	info.posx=%d info.posy=%d info.out_width = %d info.out_height=%d\n \
+	info.rotation_type=%d info.screen_width=%d\n", __func__, info.enabled,
+	info.paddr, info.width, info.height, info.color_mode, info.rotation,
+	info.mirror, info.pos_x, info.pos_y, info.out_width, info.out_height,
+	info.rotation_type, info.screen_width);
+
+	r = ovl->set_overlay_info(ovl, &info);
+	if (r)
+		goto err;
+
+	return 0;
+err:
+	printk(KERN_WARNING VOUT_NAME "setup_overlay failed\n");
+	return r;
+}
+
+/* convert V4L2 pixel format to DSS pixel format */
+static enum omap_color_mode video_mode_to_dss_mode(struct omap_vout_device
+			*vout)
+{
+	struct v4l2_pix_format *pix = &vout->pix;
+
+	switch (pix->pixelformat) {
+	case 0:
+		break;
+	case V4L2_PIX_FMT_YUYV:
+		return OMAP_DSS_COLOR_YUV2;
+
+	case V4L2_PIX_FMT_UYVY:
+		return OMAP_DSS_COLOR_UYVY;
+
+	case V4L2_PIX_FMT_RGB565:
+		return OMAP_DSS_COLOR_RGB16;
+
+	case V4L2_PIX_FMT_RGB24:
+		return OMAP_DSS_COLOR_RGB24P;
+
+	case V4L2_PIX_FMT_RGB32:
+		return (vout->vid == OMAP_VIDEO1) ?
+			OMAP_DSS_COLOR_RGB24U : OMAP_DSS_COLOR_ARGB32;
+	case V4L2_PIX_FMT_BGR32:
+		return OMAP_DSS_COLOR_RGBX32;
+
+	default:
+		return -EINVAL;
+	}
+	return -EINVAL;
+}
+
+/* Video buffer call backs */
+
+/* Buffer setup function is called by videobuf layer when REQBUF ioctl is
+ * called. This is used to setup buffers and return size and count of
+ * buffers allocated. After the call to this buffer, videobuf layer will
+ * setup buffer queue depending on the size and count of buffers
+ */
+static int omap_vout_buffer_setup(struct videobuf_queue *q, unsigned int *count,
+			  unsigned int *size)
+{
+	struct omap_vout_device *vout = q->priv_data;
+	int startindex = 0, i, j;
+	u32 phy_addr = 0, virt_addr = 0;
+
+	if (!vout)
+		return -EINVAL;
+
+	if (V4L2_BUF_TYPE_VIDEO_OUTPUT != q->type)
+		return -EINVAL;
+
+	startindex = (vout->vid == OMAP_VIDEO1) ?
+		video1_numbuffers : video2_numbuffers;
+	if (V4L2_MEMORY_MMAP == vout->memory && *count < startindex)
+		*count = startindex;
+
+	if ((rotation_enabled(vout->rotation)) && *count > 4)
+		*count = 4;
+
+	/* If rotation is enabled, allocate memory for VRFB space also */
+	if (rotation_enabled(vout->rotation)) {
+		if (omap_vout_vrfb_buffer_setup(vout, count, startindex))
+			return -ENOMEM;
+	}
+
+	if (V4L2_MEMORY_MMAP != vout->memory)
+		return 0;
+
+	/* Now allocated the V4L2 buffers */
+	*size = vout->buffer_size;
+	startindex = (vout->vid == OMAP_VIDEO1) ?
+		video1_numbuffers : video2_numbuffers;
+	for (i = startindex; i < *count; i++) {
+		vout->buffer_size = *size;
+
+		virt_addr = omap_vout_alloc_buffer(vout->buffer_size,
+				&phy_addr);
+		if (!virt_addr) {
+			if (!rotation_enabled(vout->rotation))
+				break;
+			/* Free the VRFB buffers if no space for V4L2 buffers */
+			for (j = i; j < *count; j++) {
+				omap_vout_free_buffer(
+					vout->smsshado_virt_addr[j],
+					vout->smsshado_phy_addr[j],
+					vout->smsshado_size);
+				vout->smsshado_virt_addr[j] = 0;
+				vout->smsshado_phy_addr[j] = 0;
+			}
+		}
+		vout->buf_virt_addr[i] = virt_addr;
+		vout->buf_phy_addr[i] = phy_addr;
+	}
+	*count = vout->buffer_allocated = i;
+	return 0;
+}
+
+/* Free the V4L2 buffers additionally allocated than default
+ * number of buffers and free all the VRFB buffers */
+static void omap_vout_free_allbuffers(struct omap_vout_device *vout)
+{
+	int num_buffers = 0, i;
+
+	num_buffers = (vout->vid == OMAP_VIDEO1) ?
+		video1_numbuffers : video2_numbuffers;
+	for (i = num_buffers; i < vout->buffer_allocated; i++) {
+		if (vout->buf_virt_addr[i]) {
+			omap_vout_free_buffer(vout->buf_virt_addr[i],
+				vout->buf_phy_addr[i], vout->buffer_size);
+		}
+		vout->buf_virt_addr[i] = 0;
+		vout->buf_phy_addr[i] = 0;
+	}
+	/* Free the VRFB buffers only if they are allocated
+	 * during reqbufs.  Don't free if init time allocated
+	 */
+	if (!vout->vrfb_static_allocation) {
+		for (i = 0; i < 4; i++) {
+			if (vout->smsshado_virt_addr[i]) {
+				omap_vout_free_buffer(
+						vout->smsshado_virt_addr[i],
+						vout->smsshado_phy_addr[i],
+						vout->smsshado_size);
+				vout->smsshado_virt_addr[i] = 0;
+				vout->smsshado_phy_addr[i] = 0;
+			}
+		}
+	}
+	vout->buffer_allocated = num_buffers;
+}
+
+/* This function will be called when VIDIOC_QBUF ioctl is called.
+ * It prepare buffers before give out for the display. This function
+ * user space virtual address into physical address if userptr memory
+ * exchange mechanism is used. If rotation is enabled, it copies entire
+ * buffer into VRFB memory space before giving it to the DSS.
+ */
+static int omap_vout_buffer_prepare(struct videobuf_queue *q,
+			    struct videobuf_buffer *vb,
+			    enum v4l2_field field)
+{
+	struct omap_vout_device *vout = q->priv_data;
+	u32 dest_frame_index = 0, src_element_index = 0;
+	u32 dest_element_index = 0, src_frame_index = 0;
+	u32 elem_count = 0, frame_count = 0, pixsize = 2;
+	struct videobuf_dmabuf *dmabuf = NULL;
+	int rotation;
+
+	if (VIDEOBUF_NEEDS_INIT == vb->state) {
+		vb->width = vout->pix.width;
+		vb->height = vout->pix.height;
+		vb->size = vb->width * vb->height * vout->bpp;
+		vb->field = field;
+	}
+	vb->state = VIDEOBUF_PREPARED;
+	/* if user pointer memory mechanism is used, get the physical
+	 * address of the buffer
+	 */
+	if (V4L2_MEMORY_USERPTR == vb->memory) {
+		if (0 == vb->baddr)
+			return -EINVAL;
+		/* Virtual address */
+		/* priv points to struct videobuf_pci_sg_memory. But we went
+		 * pointer to videobuf_dmabuf, which is member of
+		 * videobuf_pci_sg_memory */
+		dmabuf = videobuf_to_dma(q->bufs[vb->i]);
+		dmabuf->vmalloc = (void *) vb->baddr;
+
+		/* Physical address */
+		dmabuf->bus_addr =
+			(dma_addr_t) omap_vout_uservirt_to_phys(vb->baddr);
+	}
+
+	if (!rotation_enabled(vout->rotation)) {
+		dmabuf = videobuf_to_dma(q->bufs[vb->i]);
+
+		vout->queued_buf_addr[vb->i] = (u8 *) dmabuf->bus_addr;
+		return 0;
+	}
+	dmabuf = videobuf_to_dma(q->bufs[vb->i]);
+	/* If rotation is enabled, copy input buffer into VRFB
+	 * memory space using DMA. We are copying input buffer
+	 * into VRFB memory space of desired angle and DSS will
+	 * read image VRFB memory for 0 degree angle
+	 */
+	pixsize = vout->bpp * vout->vrfb_bpp;
+	/*
+	 * DMA transfer in double index mode
+	 */
+
+	/* Frame index */
+	dest_frame_index = ((MAX_PIXELS_PER_LINE * pixsize) -
+			(vout->pix.width * vout->bpp)) + 1;
+
+	/* Source and destination parameters */
+	src_element_index = 0;
+	src_frame_index = 0;
+	dest_element_index = 1;
+	/* Number of elements per frame */
+	elem_count = vout->pix.width * vout->bpp;
+	frame_count = vout->pix.height;
+	vout->vrfb_dma_tx.tx_status = 0;
+	omap_set_dma_transfer_params(vout->vrfb_dma_tx.dma_ch,
+			OMAP_DMA_DATA_TYPE_S32, (elem_count / 4), frame_count,
+			OMAP_DMA_SYNC_ELEMENT, vout->vrfb_dma_tx.dev_id, 0x0);
+	/* src_port required only for OMAP1 */
+	omap_set_dma_src_params(vout->vrfb_dma_tx.dma_ch, 0,
+			OMAP_DMA_AMODE_POST_INC, dmabuf->bus_addr,
+			src_element_index, src_frame_index);
+	/*set dma source burst mode for VRFB */
+	omap_set_dma_src_burst_mode(vout->vrfb_dma_tx.dma_ch,
+			OMAP_DMA_DATA_BURST_16);
+	if (vout->mirror)
+		rotation = rotation_with_mirror(vout->rotation);
+	else
+		rotation = vout->rotation;
+
+	/* dest_port required only for OMAP1 */
+	omap_set_dma_dest_params(vout->vrfb_dma_tx.dma_ch, 0,
+			OMAP_DMA_AMODE_DOUBLE_IDX,
+			vout->vrfb_context[vb->i].paddr[0],
+			dest_element_index, dest_frame_index);
+	/*set dma dest burst mode for VRFB */
+	omap_set_dma_dest_burst_mode(vout->vrfb_dma_tx.dma_ch,
+			OMAP_DMA_DATA_BURST_16);
+	omap_dma_set_global_params(DMA_DEFAULT_ARB_RATE, 0x20, 0);
+
+	omap_start_dma(vout->vrfb_dma_tx.dma_ch);
+	interruptible_sleep_on_timeout(&vout->vrfb_dma_tx.wait,
+			VRFB_TX_TIMEOUT);
+
+	if (vout->vrfb_dma_tx.tx_status == 0) {
+		omap_stop_dma(vout->vrfb_dma_tx.dma_ch);
+		return -EINVAL;
+	}
+	/* Store buffers physical address into an array. Addresses
+	 * from this array will be used to configure DSS */
+	vout->queued_buf_addr[vb->i] = (u8 *)
+		vout->vrfb_context[vb->i].paddr[rotation];
+	return 0;
+}
+
+/* Buffer queue funtion will be called from the videobuf layer when _QBUF
+ * ioctl is called. It is used to enqueue buffer, which is ready to be
+ * displayed. */
+static void omap_vout_buffer_queue(struct videobuf_queue *q,
+			  struct videobuf_buffer *vb)
+{
+	struct omap_vout_device *vout = q->priv_data;
+
+	/* Driver is also maintainig a queue. So enqueue buffer in the driver
+	 * queue */
+	list_add_tail(&vb->queue, &vout->dma_queue);
+
+	vb->state = VIDEOBUF_PREPARED;
+}
+
+/* Buffer release function is called from videobuf layer to release buffer
+ * which are already allocated */
+static void omap_vout_buffer_release(struct videobuf_queue *q,
+			    struct videobuf_buffer *vb)
+{
+	struct omap_vout_device *vout = q->priv_data;
+
+	vb->state = VIDEOBUF_NEEDS_INIT;
+
+	if (V4L2_MEMORY_MMAP != vout->memory)
+		return;
+}
+
+/*
+ *  File operations
+ */
+static void omap_vout_vm_open(struct vm_area_struct *vma)
+{
+	struct omap_vout_device *vout = vma->vm_private_data;
+
+	v4l2_dbg(1, debug, vout->dev->driver,
+	"vm_open [vma=%08lx-%08lx]\n", vma->vm_start, vma->vm_end);
+	vout->mmap_count++;
+}
+
+static void omap_vout_vm_close(struct vm_area_struct *vma)
+{
+	struct omap_vout_device *vout = vma->vm_private_data;
+
+	v4l2_dbg(1, debug, vout->dev->driver,
+	"vm_close [vma=%08lx-%08lx]\n", vma->vm_start, vma->vm_end);
+	vout->mmap_count--;
+}
+
+static struct vm_operations_struct omap_vout_vm_ops = {
+	.open = omap_vout_vm_open,
+	.close = omap_vout_vm_close,
+};
+
+static int omap_vout_mmap(struct file *file, struct vm_area_struct *vma)
+{
+	struct omap_vout_device *vout = file->private_data;
+	struct videobuf_queue *q = &vout->vbq;
+	unsigned long size = (vma->vm_end - vma->vm_start);
+	unsigned long start = vma->vm_start;
+	int i;
+	void *pos;
+	struct videobuf_dmabuf *dmabuf = NULL;
+
+	v4l2_dbg(1, debug, vout->dev->driver,
+		" %s pgoff=0x%lx, start=0x%lx, end=0x%lx\n", __func__,
+		vma->vm_pgoff, vma->vm_start, vma->vm_end);
+
+	/* look for the buffer to map */
+	for (i = 0; i < VIDEO_MAX_FRAME; i++) {
+		if (NULL == q->bufs[i])
+			continue;
+		if (V4L2_MEMORY_MMAP != q->bufs[i]->memory)
+			continue;
+		if (q->bufs[i]->boff == (vma->vm_pgoff << PAGE_SHIFT))
+			break;
+	}
+
+	if (VIDEO_MAX_FRAME == i) {
+		v4l2_dbg(1, debug, vout->dev->driver,
+		"offset invalid [offset=0x%lx]\n",
+			(vma->vm_pgoff << PAGE_SHIFT));
+		return -EINVAL;
+	}
+	q->bufs[i]->baddr = vma->vm_start;
+
+	vma->vm_flags |= VM_RESERVED;
+	vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
+	vma->vm_ops = &omap_vout_vm_ops;
+	vma->vm_private_data = (void *) vout;
+	dmabuf = videobuf_to_dma(q->bufs[i]);
+	pos = dmabuf->vmalloc;
+	vma->vm_pgoff = virt_to_phys((void *)pos) >> PAGE_SHIFT;
+	while (size > 0) {
+		unsigned long pfn;
+		pfn = virt_to_phys((void *) pos) >> PAGE_SHIFT;
+		if (remap_pfn_range(vma, start, pfn, PAGE_SIZE, PAGE_SHARED))
+			return -EAGAIN;
+		start += PAGE_SIZE;
+		pos += PAGE_SIZE;
+		size -= PAGE_SIZE;
+	}
+	vout->mmap_count++;
+	v4l2_dbg(1, debug, vout->dev->driver, "Exiting %s\n", __func__);
+	return 0;
+}
+
+static int omap_vout_release(struct file *file)
+{
+
+	struct omap_vout_device *vout = file->private_data;
+	struct videobuf_queue *q;
+	unsigned int t;
+	struct omapvideo_info *ovid;
+	unsigned int r;
+
+	v4l2_dbg(1, debug, vout->dev->driver, "Entering %s\n", __func__);
+	ovid = &(vout->vid_info);
+
+	if (!vout)
+		return 0;
+	q = &vout->vbq;
+
+	/* Disable all the overlay managers connected with this interface */
+	for (t = 0; t < ovid->num_overlays; t++) {
+			struct omap_overlay *ovl = ovid->overlays[t];
+			if (ovl->manager && ovl->manager->display) {
+				struct omap_overlay_info info;
+				ovl->get_overlay_info(ovl, &info);
+				info.enabled = 0;
+				ovl->set_overlay_info(ovl, &info);
+			}
+
+		}
+	/* Turn off the pipeline */
+	r = omapvid_apply_changes(vout);
+	if (r)
+		printk(KERN_WARNING VOUT_NAME "Unable to apply changes\n");
+
+	/* Free all buffers */
+	omap_vout_free_allbuffers(vout);
+	videobuf_mmap_free(q);
+
+	/* Even if apply changes fails we should continue
+	   freeing allocated memeory */
+	if (vout->streaming) {
+		u32 mask = 0;
+
+		mask = DISPC_IRQ_VSYNC | DISPC_IRQ_EVSYNC_EVEN |
+			DISPC_IRQ_EVSYNC_ODD;
+		omap_dispc_unregister_isr(omap_vout_isr, vout, mask);
+		vout->streaming = 0;
+
+		videobuf_streamoff(q);
+		videobuf_queue_cancel(q);
+
+	}
+
+	if (vout->mmap_count != 0)
+		vout->mmap_count = 0;
+
+	vout->opened -= 1;
+	file->private_data = NULL;
+
+	if (vout->buffer_allocated)
+		videobuf_mmap_free(q);
+	v4l2_dbg(1, debug, vout->dev->driver, "Exiting %s\n", __func__);
+	return r;
+}
+
+static int omap_vout_open(struct file *file)
+{
+	struct omap_vout_device *vout = NULL;
+	struct videobuf_queue *q;
+
+	vout = video_drvdata(file);
+	v4l2_dbg(1, debug, vout->dev->driver, "Entering %s\n", __func__);
+
+	if (vout == NULL)
+		return -ENODEV;
+
+	/* for now, we only support single open */
+	if (vout->opened)
+		return -EBUSY;
+
+	vout->opened += 1;
+
+	file->private_data = vout;
+	vout->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
+
+	q = &vout->vbq;
+	video_vbq_ops.buf_setup = omap_vout_buffer_setup;
+	video_vbq_ops.buf_prepare = omap_vout_buffer_prepare;
+	video_vbq_ops.buf_release = omap_vout_buffer_release;
+	video_vbq_ops.buf_queue = omap_vout_buffer_queue;
+	spin_lock_init(&vout->vbq_lock);
+
+	videobuf_queue_sg_init(q, &video_vbq_ops, NULL, &vout->vbq_lock,
+			       vout->type, V4L2_FIELD_NONE, sizeof
+			       (struct videobuf_buffer), vout);
+	v4l2_dbg(1, debug, vout->dev->driver, "Exiting %s\n", __func__);
+	return 0;
+}
+
+/* V4L2 ioctls */
+static int vidioc_querycap(struct file *file, void *fh,
+		struct v4l2_capability *cap)
+{
+	struct omap_vout_device *vout = fh;
+
+	strlcpy(cap->driver, VOUT_NAME,
+		sizeof(cap->driver));
+	strlcpy(cap->card, vout->vfd->name, sizeof(cap->card));
+	cap->bus_info[0] = '\0';
+	cap->capabilities = V4L2_CAP_STREAMING | V4L2_CAP_VIDEO_OUTPUT;
+	return 0;
+}
+
+static int vidioc_enum_fmt_vid_out(struct file *file, void *fh,
+			struct v4l2_fmtdesc *fmt)
+{
+	int index = fmt->index;
+	enum v4l2_buf_type type = fmt->type;
+
+	fmt->index = index;
+	fmt->type = type;
+	if (index >= NUM_OUTPUT_FORMATS)
+		return -EINVAL;
+
+	fmt->flags = omap_formats[index].flags;
+	strlcpy(fmt->description, omap_formats[index].description,
+			sizeof(fmt->description));
+	fmt->pixelformat = omap_formats[index].pixelformat;
+	return 0;
+}
+
+static int vidioc_g_fmt_vid_out(struct file *file, void *fh,
+			struct v4l2_format *f)
+{
+	struct omap_vout_device *vout = fh;
+
+	struct v4l2_pix_format *pix = &f->fmt.pix;
+	*pix = vout->pix;
+	return 0;
+
+}
+
+static int vidioc_try_fmt_vid_out(struct file *file, void *fh,
+			struct v4l2_format *f)
+{
+	struct omap_vout_device *vout = fh;
+	struct omapvideo_info *ovid;
+	struct omap_overlay *ovl;
+	struct omap_video_timings *timing;
+
+	if (vout->streaming)
+		return -EBUSY;
+
+	ovid = &(vout->vid_info);
+	ovl = ovid->overlays[0];
+
+	if (!ovl->manager || !ovl->manager->display)
+		return -EINVAL;
+	/* get the display device attached to the overlay */
+	timing = &ovl->manager->display->panel->timings;
+
+	vout->fbuf.fmt.height = timing->y_res;
+	vout->fbuf.fmt.width = timing->x_res;
+
+	omap_vout_try_format(&f->fmt.pix, &vout->fbuf.fmt);
+	return 0;
+}
+
+static int vidioc_s_fmt_vid_out(struct file *file, void *fh,
+			struct v4l2_format *f)
+{
+	struct omap_vout_device *vout = fh;
+	int bpp;
+	int r;
+	struct omapvideo_info *ovid;
+	struct omap_overlay *ovl;
+	struct omap_video_timings *timing;
+
+	if (vout->streaming)
+		return -EBUSY;
+
+	mutex_lock(&vout->lock);
+
+	ovid = &(vout->vid_info);
+	ovl = ovid->overlays[0];
+
+	/* get the display device attached to the overlay */
+	if (!ovl->manager || !ovl->manager->display) {
+		mutex_unlock(&vout->lock);
+		return -EINVAL;
+	}
+	timing = &ovl->manager->display->panel->timings;
+
+	/* We dont support RGB24-packed mode if vrfb rotation
+	 * is enabled*/
+	if ((rotation_enabled(vout->rotation)) &&
+			f->fmt.pix.pixelformat == V4L2_PIX_FMT_RGB24) {
+		mutex_unlock(&vout->lock);
+		return -EINVAL;
+	}
+
+	/* get the framebuffer parameters */
+
+	if (rotate_90_or_270(vout->rotation)) {
+		vout->fbuf.fmt.height = timing->x_res;
+		vout->fbuf.fmt.width = timing->y_res;
+	} else {
+		vout->fbuf.fmt.height = timing->y_res;
+		vout->fbuf.fmt.width = timing->x_res;
+	}
+
+	/* change to samller size is OK */
+
+	bpp = omap_vout_try_format(&f->fmt.pix, &vout->fbuf.fmt);
+	f->fmt.pix.sizeimage = f->fmt.pix.width * f->fmt.pix.height * bpp;
+
+	/* try & set the new output format */
+	vout->bpp = bpp;
+	vout->pix = f->fmt.pix;
+	vout->vrfb_bpp = 1;
+
+	/* If YUYV then vrfb bpp is 2, for  others its 1 */
+	if (V4L2_PIX_FMT_YUYV == vout->pix.pixelformat ||
+		V4L2_PIX_FMT_UYVY == vout->pix.pixelformat)
+		vout->vrfb_bpp = 2;
+
+	/* set default crop and win */
+	omap_vout_new_format(&vout->pix, &vout->fbuf, &vout->crop, &vout->win);
+
+	/* Save the changes in the overlay strcuture */
+	r = omapvid_init(vout, 0);
+	if (r) {
+		printk(KERN_ERR VOUT_NAME "failed to change mode\n");
+		mutex_unlock(&vout->lock);
+		return -EINVAL;
+	}
+	mutex_unlock(&vout->lock);
+	return 0;
+}
+
+static int vidioc_try_fmt_vid_overlay(struct file *file, void *fh,
+			struct v4l2_format *f)
+{
+	int err = -EINVAL;
+	struct omap_vout_device *vout = fh;
+	struct v4l2_window *win = &f->fmt.win;
+
+	err = omap_vout_try_window(&vout->fbuf, win);
+
+	if (err)
+		return err;
+
+	if (vout->vid == OMAP_VIDEO1)
+		win->global_alpha = 255;
+	return 0;
+}
+
+static int vidioc_s_fmt_vid_overlay(struct file *file, void *fh,
+			struct v4l2_format *f)
+{
+	struct omap_vout_device *vout = fh;
+	int err = -EINVAL;
+	struct v4l2_window *win = &f->fmt.win;
+
+	mutex_lock(&vout->lock);
+	err = omap_vout_new_window(&vout->crop, &vout->win, &vout->fbuf, win);
+	if (err) {
+		mutex_unlock(&vout->lock);
+		return err;
+	}
+	if (vout->vid == OMAP_VIDEO1)
+		vout->win.global_alpha = 255;
+	else
+		vout->win.global_alpha = f->fmt.win.global_alpha;
+
+	vout->win.chromakey = f->fmt.win.chromakey;
+	mutex_unlock(&vout->lock);
+	return 0;
+}
+
+static int vidioc_enum_fmt_vid_overlay(struct file *file, void *fh,
+			struct v4l2_fmtdesc *fmt)
+{
+	int index = fmt->index;
+	enum v4l2_buf_type type = fmt->type;
+
+	fmt->index = index;
+	fmt->type = type;
+	if (index >= NUM_OUTPUT_FORMATS)
+		return -EINVAL;
+
+	fmt->flags = omap_formats[index].flags;
+	strlcpy(fmt->description, omap_formats[index].description,
+		sizeof(fmt->description));
+	fmt->pixelformat = omap_formats[index].pixelformat;
+	return 0;
+}
+
+static int vidioc_g_fmt_vid_overlay(struct file *file, void *fh,
+			struct v4l2_format *f)
+{
+	struct omap_vout_device *vout = fh;
+	struct omap_overlay *ovl;
+	struct omapvideo_info *ovid;
+	struct v4l2_window *win = &f->fmt.win;
+	u32 key_value =  0;
+
+	ovid = &(vout->vid_info);
+	ovl = ovid->overlays[0];
+
+	win->w = vout->win.w;
+	win->field = vout->win.field;
+	win->global_alpha = vout->win.global_alpha;
+
+	if (ovl->manager && ovl->manager->get_trans_key_type_and_value)
+		ovl->manager->get_trans_key_type_and_value(ovl->manager, NULL,
+				&key_value);
+	win->chromakey = key_value;
+	return 0;
+}
+
+static int vidioc_cropcap(struct file *file, void *fh,
+			struct v4l2_cropcap *cropcap)
+{
+	struct omap_vout_device *vout = fh;
+	enum v4l2_buf_type type = cropcap->type;
+	struct v4l2_pix_format *pix = &vout->pix;
+
+	cropcap->type = type;
+	if (type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
+		return -EINVAL;
+
+	/* Width and height are always even */
+	cropcap->bounds.width = pix->width & ~1;
+	cropcap->bounds.height = pix->height & ~1;
+
+	omap_vout_default_crop(&vout->pix, &vout->fbuf, &cropcap->defrect);
+	cropcap->pixelaspect.numerator = 1;
+	cropcap->pixelaspect.denominator = 1;
+	return 0;
+}
+
+static int vidioc_g_crop(struct file *file, void *fh,
+	struct v4l2_crop *crop)
+{
+	struct omap_vout_device *vout = fh;
+
+	if (crop->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
+		return -EINVAL;
+	crop->c = vout->crop;
+	return 0;
+}
+
+static int vidioc_s_crop(struct file *file, void *fh,
+			struct v4l2_crop *crop)
+{
+	struct omap_vout_device *vout = fh;
+	int err = -EINVAL;
+	struct omapvideo_info *ovid;
+	struct omap_overlay *ovl;
+	struct omap_video_timings *timing;
+
+	if (vout->streaming)
+		return -EBUSY;
+
+	mutex_lock(&vout->lock);
+	ovid = &(vout->vid_info);
+	ovl = ovid->overlays[0];
+
+	if (!ovl->manager || !ovl->manager->display) {
+		mutex_unlock(&vout->lock);
+		return -EINVAL;
+	}
+	/* get the display device attached to the overlay */
+	timing = &ovl->manager->display->panel->timings;
+
+	if (rotate_90_or_270(vout->rotation)) {
+		vout->fbuf.fmt.height = timing->x_res;
+		vout->fbuf.fmt.width = timing->y_res;
+	} else {
+		vout->fbuf.fmt.height = timing->y_res;
+		vout->fbuf.fmt.width = timing->x_res;
+	}
+
+	if (crop->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
+		err = omap_vout_new_crop(&vout->pix, &vout->crop, &vout->win,
+			&vout->fbuf, &crop->c);
+		mutex_unlock(&vout->lock);
+		return err;
+	} else {
+		mutex_unlock(&vout->lock);
+		return -EINVAL;
+	}
+}
+
+static int vidioc_queryctrl(struct file *file, void *fh,
+		struct v4l2_queryctrl *ctrl)
+{
+	switch (ctrl->id) {
+	case V4L2_CID_ROTATE:
+		v4l2_ctrl_query_fill(ctrl, 0, 270, 90, 0);
+		break;
+	case V4L2_CID_BG_COLOR:
+		v4l2_ctrl_query_fill(ctrl, 0, 0xFFFFFF, 1, 0);
+		break;
+	case V4L2_CID_VFLIP:
+		v4l2_ctrl_query_fill(ctrl, 0, 1, 1, 0);
+	default:
+		ctrl->name[0] = '\0';
+		return -EINVAL;
+
+	}
+	return 0;
+}
+
+static int vidioc_g_ctrl(struct file *file, void *fh, struct v4l2_control *ctrl)
+{
+	struct omap_vout_device *vout = fh;
+
+	switch (ctrl->id) {
+	case V4L2_CID_ROTATE:
+		ctrl->value = vout->control[0].value;
+		return 0;
+	case V4L2_CID_BG_COLOR:
+	{
+		struct omapvideo_info *ovid;
+		struct omap_overlay *ovl;
+		unsigned int color;
+		ovid = &(vout->vid_info);
+		ovl = ovid->overlays[0];
+
+		if (!ovl->manager || !ovl->manager->get_default_color)
+			return -EINVAL;
+
+		color = ovl->manager->get_default_color(ovl->manager);
+		ctrl->value = color;
+		return 0;
+	}
+
+	case V4L2_CID_VFLIP:
+		ctrl->value = vout->control[2].value;
+		return 0;
+	default:
+		return -EINVAL;
+	}
+}
+
+static int vidioc_s_ctrl(struct file *file, void *fh, struct v4l2_control *a)
+{
+	struct omap_vout_device *vout = fh;
+
+	switch (a->id) {
+	case V4L2_CID_ROTATE:
+	{
+		int rotation = a->value;
+
+		mutex_lock(&vout->lock);
+		if ((v4l2_rot_to_dss_rot(rotation, &vout->rotation,
+				vout->mirror))) {
+			mutex_unlock(&vout->lock);
+			return -EINVAL;
+		}
+		if (vout->pix.pixelformat == V4L2_PIX_FMT_RGB24 &&
+				rotation_enabled(vout->rotation)) {
+			mutex_unlock(&vout->lock);
+			return -EINVAL;
+		}
+		vout->control[0].value = rotation;
+		mutex_unlock(&vout->lock);
+		return 0;
+	}
+	case V4L2_CID_BG_COLOR:
+	{
+		unsigned int  color = a->value;
+		struct omapvideo_info *ovid;
+		struct omap_overlay *ovl;
+		ovid = &(vout->vid_info);
+		ovl = ovid->overlays[0];
+
+		mutex_lock(&vout->lock);
+		if (!ovl->manager || !ovl->manager->set_default_color) {
+			mutex_unlock(&vout->lock);
+			return -EINVAL;
+		}
+
+		ovl->manager->set_default_color(ovl->manager,
+				color);
+		vout->control[1].value = color;
+		mutex_unlock(&vout->lock);
+		return 0;
+	}
+	case V4L2_CID_VFLIP:
+	{
+		unsigned int  mirror = a->value;
+		struct omapvideo_info *ovid;
+		struct omap_overlay *ovl;
+		ovid = &(vout->vid_info);
+		ovl = ovid->overlays[0];
+
+		mutex_lock(&vout->lock);
+
+		if (mirror  && vout->pix.pixelformat == V4L2_PIX_FMT_RGB24) {
+			mutex_unlock(&vout->lock);
+			return -EINVAL;
+		}
+		/* Use VRFB if mirroring is enabled */
+		if (mirror && !rotation_enabled(vout->rotation))
+			vout->rotation = 0;
+		/* Disabled VRFB if mirroring is disabled */
+		if (!mirror && vout->rotation == 0)
+			vout->rotation = -1;
+
+		vout->mirror = mirror;
+		vout->control[2].value = mirror;
+		mutex_unlock(&vout->lock);
+		return 0;
+	}
+
+	default:
+		return -EINVAL;
+	}
+
+}
+
+static int vidioc_reqbufs(struct file *file, void *fh,
+			struct v4l2_requestbuffers *req)
+{
+	struct omap_vout_device *vout = fh;
+	struct videobuf_queue *q = &(vout->vbq);
+	unsigned int i, num_buffers = 0;
+	int ret = 0;
+	struct videobuf_dmabuf *dmabuf = NULL;
+
+	if ((req->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) || (req->count < 0))
+		return -EINVAL;
+	/* if memory is not mmp or userptr
+	   return error */
+	if ((V4L2_MEMORY_MMAP != req->memory) &&
+		(V4L2_MEMORY_USERPTR != req->memory))
+		return -EINVAL;
+
+	mutex_lock(&vout->lock);
+	/* Cannot be requested when streaming is on */
+	if (vout->streaming) {
+		mutex_unlock(&vout->lock);
+		return -EBUSY;
+	}
+
+	/* If buffers are already allocated free them */
+	if (q->bufs[0] && (V4L2_MEMORY_MMAP == q->bufs[0]->memory)) {
+		if (vout->mmap_count) {
+			mutex_unlock(&vout->lock);
+			return -EBUSY;
+		}
+		num_buffers = (vout->vid == OMAP_VIDEO1) ?
+			video1_numbuffers : video2_numbuffers;
+		for (i = num_buffers; i < vout->buffer_allocated; i++) {
+			dmabuf = videobuf_to_dma(q->bufs[i]);
+			omap_vout_free_buffer((u32)dmabuf->vmalloc,
+				dmabuf->bus_addr, vout->buffer_size);
+			vout->buf_virt_addr[i] = 0;
+			vout->buf_phy_addr[i] = 0;
+		}
+		vout->buffer_allocated = num_buffers;
+		videobuf_mmap_free(q);
+	} else if (q->bufs[0] && (V4L2_MEMORY_USERPTR == q->bufs[0]->memory)) {
+		if (vout->buffer_allocated) {
+			videobuf_mmap_free(q);
+			for (i = 0; i < vout->buffer_allocated; i++) {
+				kfree(q->bufs[i]);
+				q->bufs[i] = NULL;
+			}
+			vout->buffer_allocated = 0;
+		}
+	}
+
+	/*store the memory type in data structure */
+	vout->memory = req->memory;
+
+	INIT_LIST_HEAD(&vout->dma_queue);
+
+	/* call videobuf_reqbufs api */
+	ret = videobuf_reqbufs(q, req);
+	if (ret < 0) {
+		mutex_unlock(&vout->lock);
+		return ret;
+	}
+
+	vout->buffer_allocated = req->count;
+	for (i = 0; i < req->count; i++) {
+		dmabuf = videobuf_to_dma(q->bufs[i]);
+		dmabuf->vmalloc = (void *) vout->buf_virt_addr[i];
+		dmabuf->bus_addr = (dma_addr_t) vout->buf_phy_addr[i];
+		dmabuf->sglen = 1;
+	}
+	mutex_unlock(&vout->lock);
+	return 0;
+}
+
+static int vidioc_querybuf(struct file *file, void *fh,
+			struct v4l2_buffer *b)
+{
+	struct omap_vout_device *vout = fh;
+
+	return videobuf_querybuf(&(vout->vbq), b);
+}
+
+static int vidioc_qbuf(struct file *file, void *fh,
+			struct v4l2_buffer *buffer)
+{
+	struct omap_vout_device *vout = fh;
+	struct videobuf_queue *q = &vout->vbq;
+	int ret = 0;
+
+	if ((V4L2_BUF_TYPE_VIDEO_OUTPUT != buffer->type) ||
+			(buffer->index >= vout->buffer_allocated) ||
+			(q->bufs[buffer->index]->memory != buffer->memory)) {
+		return -EINVAL;
+	}
+	if (V4L2_MEMORY_USERPTR == buffer->memory) {
+		if ((buffer->length < vout->pix.sizeimage) ||
+			(0 == buffer->m.userptr)) {
+			return -EINVAL;
+		}
+	}
+
+	if ((rotation_enabled(vout->rotation)) &&
+			vout->vrfb_dma_tx.req_status == DMA_CHAN_NOT_ALLOTED) {
+		printk(KERN_WARNING VOUT_NAME
+				"DMA Channel not allocated for Rotation\n");
+		return -EINVAL;
+	}
+
+	ret = videobuf_qbuf(q, buffer);
+	return ret;
+}
+
+static int vidioc_dqbuf(struct file *file, void *fh,
+			struct v4l2_buffer *b)
+{
+	struct omap_vout_device *vout = fh;
+	struct videobuf_queue *q = &vout->vbq;
+	int ret = 0;
+
+	if (!vout->streaming)
+		return -EINVAL;
+
+	if (file->f_flags & O_NONBLOCK)
+		/* Call videobuf_dqbuf for non blocking mode */
+		ret = videobuf_dqbuf(q, (struct v4l2_buffer *)b, 1);
+	else
+		/* Call videobuf_dqbuf for  blocking mode */
+		ret = videobuf_dqbuf(q, (struct v4l2_buffer *)b, 0);
+	return ret;
+}
+
+static int vidioc_streamon(struct file *file, void *fh,
+			enum v4l2_buf_type i)
+{
+	struct omap_vout_device *vout = fh;
+	struct videobuf_queue *q = &vout->vbq;
+	u32 addr = 0;
+	int r = 0;
+	int t;
+	struct omapvideo_info *ovid = &(vout->vid_info);
+	u32 mask = 0;
+
+	mutex_lock(&vout->lock);
+
+	if (vout->streaming) {
+		mutex_unlock(&vout->lock);
+		return -EBUSY;
+	}
+
+	r = videobuf_streamon(q);
+	if (r < 0) {
+		mutex_unlock(&vout->lock);
+		return r;
+	}
+
+	if (list_empty(&vout->dma_queue)) {
+		mutex_unlock(&vout->lock);
+		return -EIO;
+	}
+	/* Get the next frame from the buffer queue */
+	vout->next_frm = vout->cur_frm = list_entry(vout->dma_queue.next,
+				struct videobuf_buffer, queue);
+	/* Remove buffer from the buffer queue */
+	list_del(&vout->cur_frm->queue);
+	/* Mark state of the current frame to active */
+	vout->cur_frm->state = VIDEOBUF_ACTIVE;
+	/* Initialize field_id and started member */
+	vout->field_id = 0;
+
+	/* set flag here. Next QBUF will start DMA */
+	vout->streaming = 1;
+
+	vout->first_int = 1;
+
+	if (omap_vout_calculate_offset(vout)) {
+		mutex_unlock(&vout->lock);
+		return -EINVAL;
+	}
+	addr = (unsigned long) vout->queued_buf_addr[vout->cur_frm->i]
+	+ vout->cropped_offset;
+
+	mask = DISPC_IRQ_VSYNC | DISPC_IRQ_EVSYNC_EVEN |
+			DISPC_IRQ_EVSYNC_ODD;
+
+	omap_dispc_register_isr(omap_vout_isr, vout, mask);
+
+	for (t = 0; t < ovid->num_overlays; t++) {
+		struct omap_overlay *ovl = ovid->overlays[t];
+		if (ovl->manager && ovl->manager->display) {
+			struct omap_overlay_info info;
+			ovl->get_overlay_info(ovl, &info);
+			info.enabled = 1;
+			info.paddr = addr;
+			if (ovl->set_overlay_info(ovl, &info))
+				return -EINVAL;
+		}
+	}
+
+	/* First save the configuration in ovelray structure */
+	r = omapvid_init(vout, addr);
+	if (r)
+		printk(KERN_ERR VOUT_NAME "failed to set overlay info\n");
+	/* Enable the pipeline and set the Go bit */
+	r = omapvid_apply_changes(vout);
+	if (r)
+		printk(KERN_ERR VOUT_NAME "failed to change mode\n");
+
+	mutex_unlock(&vout->lock);
+	return r;
+}
+
+static int vidioc_streamoff(struct file *file, void *fh,
+			enum v4l2_buf_type i)
+{
+	struct omap_vout_device *vout = fh;
+	int t, r = 0;
+	struct omapvideo_info *ovid = &(vout->vid_info);
+	u32 mask = 0;
+
+	if (!vout->streaming)
+		return -EINVAL;
+	if (vout->streaming) {
+		vout->streaming = 0;
+		mask = DISPC_IRQ_VSYNC | DISPC_IRQ_EVSYNC_EVEN |
+			DISPC_IRQ_EVSYNC_ODD;
+
+		omap_dispc_unregister_isr(omap_vout_isr, vout, mask);
+
+		for (t = 0; t < ovid->num_overlays; t++) {
+			struct omap_overlay *ovl = ovid->overlays[t];
+			if (ovl->manager && ovl->manager->display) {
+				struct omap_overlay_info info;
+
+				ovl->get_overlay_info(ovl, &info);
+				info.enabled = 0;
+				return ovl->set_overlay_info(ovl, &info);
+			}
+		}
+
+		/* Turn of the pipeline */
+		r = omapvid_apply_changes(vout);
+		if (r) {
+			printk(KERN_ERR VOUT_NAME "failed to change mode\n");
+			return r;
+		}
+		videobuf_streamoff(&vout->vbq);
+		videobuf_queue_cancel(&vout->vbq);
+	}
+	return 0;
+}
+
+static int vidioc_s_fbuf(struct file *file, void *fh,
+		struct v4l2_framebuffer *a)
+{
+	struct omap_vout_device *vout = fh;
+	struct omapvideo_info *ovid;
+	struct omap_overlay *ovl;
+	enum omap_dss_color_key_type key_type = OMAP_DSS_COLOR_KEY_GFX_DST;
+	int enable = 0;
+
+	ovid = &(vout->vid_info);
+	ovl = ovid->overlays[0];
+
+	/* OMAP DSS doesn't support Source and Destination color
+	   key together */
+	if ((a->flags & V4L2_FBUF_FLAG_SRC_CHROMAKEY) &&
+			(a->flags & V4L2_FBUF_FLAG_CHROMAKEY))
+		return -EINVAL;
+	/* OMAP DSS Doesn't support the Destination color key
+	   and alpha blending together */
+	if (a->flags & V4L2_FBUF_FLAG_CHROMAKEY &&
+			(a->flags & V4L2_FBUF_FLAG_LOCAL_ALPHA))
+		return -EINVAL;
+
+	if ((a->flags & V4L2_FBUF_FLAG_SRC_CHROMAKEY)) {
+		vout->fbuf.flags |= V4L2_FBUF_FLAG_SRC_CHROMAKEY;
+		key_type =  OMAP_DSS_COLOR_KEY_VID_SRC;
+	} else
+		vout->fbuf.flags &= ~V4L2_FBUF_FLAG_SRC_CHROMAKEY;
+
+	if ((a->flags & V4L2_FBUF_FLAG_CHROMAKEY)) {
+		vout->fbuf.flags |= V4L2_FBUF_FLAG_CHROMAKEY;
+		key_type =  OMAP_DSS_COLOR_KEY_GFX_DST;
+	} else
+		vout->fbuf.flags &=  ~V4L2_FBUF_FLAG_CHROMAKEY;
+
+	if (a->flags & (V4L2_FBUF_FLAG_CHROMAKEY |
+				V4L2_FBUF_FLAG_SRC_CHROMAKEY))
+		enable = 1;
+	else
+		enable = 0;
+	if (ovl->manager && ovl->manager->enable_trans_key &&
+			ovl->manager->set_trans_key_type_and_value) {
+		ovl->manager->enable_trans_key(
+				ovl->manager, enable);
+		ovl->manager->set_trans_key_type_and_value(
+				ovl->manager, key_type, vout->win.chromakey);
+	}
+	if (a->flags & V4L2_FBUF_FLAG_LOCAL_ALPHA) {
+		vout->fbuf.flags |= V4L2_FBUF_FLAG_LOCAL_ALPHA;
+		enable = 1;
+	} else if (!(a->flags & V4L2_FBUF_FLAG_LOCAL_ALPHA)) {
+		vout->fbuf.flags &= ~V4L2_FBUF_FLAG_LOCAL_ALPHA;
+		enable = 0;
+	}
+	if (ovl->manager && ovl->manager->enable_alpha_blending)
+		ovl->manager->enable_alpha_blending(ovl->manager, enable);
+
+	return 0;
+}
+
+static int vidioc_g_fbuf(struct file *file, void *fh,
+		struct v4l2_framebuffer *a)
+{
+	struct omap_vout_device *vout = fh;
+	struct omapvideo_info *ovid;
+	struct omap_overlay *ovl;
+	enum omap_dss_color_key_type key_type;
+
+	ovid = &(vout->vid_info);
+	ovl = ovid->overlays[0];
+
+	a->flags = 0x0;
+
+	a->capability = V4L2_FBUF_CAP_LOCAL_ALPHA | V4L2_FBUF_CAP_CHROMAKEY
+		| V4L2_FBUF_CAP_SRC_CHROMAKEY;
+
+	if (ovl->manager && ovl->manager->get_trans_key_status
+			&& ovl->manager->get_trans_key_type_and_value) {
+		if (ovl->manager->get_trans_key_status(ovl->manager)) {
+			ovl->manager->get_trans_key_type_and_value(
+					ovl->manager, &key_type, NULL);
+			if (key_type == OMAP_DSS_COLOR_KEY_VID_SRC)
+				a->flags |= V4L2_FBUF_FLAG_SRC_CHROMAKEY;
+			if (key_type == OMAP_DSS_COLOR_KEY_GFX_DST)
+				a->flags |= V4L2_FBUF_FLAG_CHROMAKEY;
+
+		}
+	}
+	if (ovl->manager && ovl->manager->get_alpha_blending_status)
+		if (ovl->manager->get_alpha_blending_status(ovl->manager))
+			a->flags |= V4L2_FBUF_FLAG_LOCAL_ALPHA;
+
+	return 0;
+}
+
+static const struct v4l2_ioctl_ops vout_ioctl_ops = {
+	.vidioc_querycap      			= vidioc_querycap,
+	.vidioc_enum_fmt_vid_out 		= vidioc_enum_fmt_vid_out,
+	.vidioc_g_fmt_vid_out			= vidioc_g_fmt_vid_out,
+	.vidioc_try_fmt_vid_out			= vidioc_try_fmt_vid_out,
+	.vidioc_s_fmt_vid_out			= vidioc_s_fmt_vid_out,
+	.vidioc_queryctrl    			= vidioc_queryctrl,
+	.vidioc_g_ctrl       			= vidioc_g_ctrl,
+	.vidioc_s_fbuf				= vidioc_s_fbuf,
+	.vidioc_g_fbuf				= vidioc_g_fbuf,
+	.vidioc_s_ctrl       			= vidioc_s_ctrl,
+	.vidioc_try_fmt_vid_overlay 		= vidioc_try_fmt_vid_overlay,
+	.vidioc_s_fmt_vid_overlay		= vidioc_s_fmt_vid_overlay,
+	.vidioc_enum_fmt_vid_overlay		= vidioc_enum_fmt_vid_overlay,
+	.vidioc_g_fmt_vid_overlay		= vidioc_g_fmt_vid_overlay,
+	.vidioc_cropcap				= vidioc_cropcap,
+	.vidioc_g_crop				= vidioc_g_crop,
+	.vidioc_s_crop				= vidioc_s_crop,
+	.vidioc_reqbufs				= vidioc_reqbufs,
+	.vidioc_querybuf			= vidioc_querybuf,
+	.vidioc_qbuf				= vidioc_qbuf,
+	.vidioc_dqbuf				= vidioc_dqbuf,
+	.vidioc_streamon			= vidioc_streamon,
+	.vidioc_streamoff			= vidioc_streamoff,
+};
+
+static const struct v4l2_file_operations omap_vout_fops = {
+	.owner 		= THIS_MODULE,
+	.ioctl 		= video_ioctl2,
+	.mmap 		= omap_vout_mmap,
+	.open 		= omap_vout_open,
+	.release 	= omap_vout_release,
+};
+
+/* Init functions used during driver intitalization */
+/* Initial setup of video_data */
+static int __init omap_vout_setup_video_data(struct omap_vout_device *vout)
+{
+	struct v4l2_pix_format *pix;
+	struct video_device *vfd;
+	struct v4l2_control *control;
+	struct omap_display *display =
+		vout->vid_info.overlays[0]->manager->display;
+
+	/* set the default pix */
+	pix = &vout->pix;
+
+	/* Set the default picture of QVGA  */
+	pix->width = QQVGA_WIDTH;
+	pix->height = QQVGA_HEIGHT;
+
+	/* Default pixel format is RGB 5-6-5 */
+	pix->pixelformat = V4L2_PIX_FMT_RGB565;
+	pix->field = V4L2_FIELD_ANY;
+	pix->bytesperline = pix->width * 2;
+	pix->sizeimage = pix->bytesperline * pix->height;
+	pix->priv = 0;
+	pix->colorspace = V4L2_COLORSPACE_JPEG;
+
+	vout->bpp = RGB565_BPP;
+	vout->fbuf.fmt.width  =  display->panel->timings.x_res;
+	vout->fbuf.fmt.height =  display->panel->timings.y_res;
+
+	/* Set the data structures for the overlay parameters*/
+	vout->win.global_alpha = 255;
+	vout->fbuf.flags = 0;
+	vout->fbuf.capability = V4L2_FBUF_CAP_LOCAL_ALPHA |
+		V4L2_FBUF_CAP_SRC_CHROMAKEY | V4L2_FBUF_CAP_CHROMAKEY;
+	vout->win.chromakey = 0;
+
+	omap_vout_new_format(pix, &vout->fbuf, &vout->crop, &vout->win);
+
+	/*Disable the rotation. */
+	control = vout->control;
+
+	control[0].id = V4L2_CID_ROTATE;
+	control[0].value = 0;
+	vout->rotation = -1;
+	vout->mirror = 0;
+	vout->vrfb_bpp = 2;
+
+	control[1].id = V4L2_CID_BG_COLOR;
+	control[1].value = 0;
+
+	/* initialize the video_device struct */
+	vfd = vout->vfd = video_device_alloc();
+
+	if (!vfd) {
+		printk(KERN_ERR VOUT_NAME ": could not allocate\
+				video device struct\n");
+		return -ENOMEM;
+	}
+	vfd->release = video_device_release;
+	vfd->ioctl_ops = &vout_ioctl_ops;
+
+	strlcpy(vfd->name, VOUT_NAME, sizeof(vfd->name));
+	vfd->vfl_type = VID_TYPE_OVERLAY | VID_TYPE_CHROMAKEY;
+
+	/* need to register for a VID_HARDWARE_* ID in videodev.h */
+	vfd->fops = &omap_vout_fops;
+	mutex_init(&vout->lock);
+
+	vfd->minor = -1;
+	return 0;
+
+}
+
+/* Setup video buffers */
+static int __init omap_vout_setup_video_bufs(struct platform_device *pdev,
+		int vid_num)
+{
+	struct omap2video_device *vid_dev = platform_get_drvdata(pdev);
+	struct omap_vout_device *vout;
+	int i, j, r = 0;
+	int image_width, image_height;
+	unsigned numbuffers;
+	struct video_device *vfd;
+	int static_vrfb_allocation = 0, vrfb_num_bufs = 4;
+
+	vout = vid_dev->vouts[vid_num];
+	vfd = vout->vfd;
+
+	numbuffers = (vid_num == 0) ? video1_numbuffers : video2_numbuffers;
+	vout->buffer_size = (vid_num == 0) ? video1_bufsize : video2_bufsize;
+	printk(KERN_INFO VOUT_NAME "Buffer Size = %d\n", vout->buffer_size);
+	for (i = 0; i < numbuffers; i++) {
+		vout->buf_virt_addr[i] =
+			omap_vout_alloc_buffer(vout->buffer_size,
+					(u32 *) &vout->buf_phy_addr[i]);
+		if (!vout->buf_virt_addr[i]) {
+			numbuffers = i;
+			r = -ENOMEM;
+			goto free_buffers;
+		}
+	}
+
+	for (i = 0; i < 4; i++) {
+
+		if (omap_vrfb_request_ctx(&vout->vrfb_context[i])) {
+			printk(KERN_INFO VOUT_NAME ": VRFB Region allocation \
+					for rotation failed\n");
+			r = -ENOMEM;
+			break;
+		}
+	}
+	if (r == -ENOMEM) {
+		for (j = 0; j < i; j++)
+			omap_vrfb_release_ctx(&vout->vrfb_context[j]);
+
+		goto free_buffers;
+	}
+
+	vout->cropped_offset = 0;
+
+	/* Calculate VRFB memory size */
+	/* allocate for worst case size */
+	image_width = VID_MAX_WIDTH / TILE_SIZE;
+	if (VID_MAX_WIDTH % TILE_SIZE)
+		image_width++;
+
+	image_width = image_width * TILE_SIZE;
+	image_height = VID_MAX_HEIGHT / TILE_SIZE;
+
+	if (VID_MAX_HEIGHT % TILE_SIZE)
+		image_height++;
+
+	image_height = image_height * TILE_SIZE;
+	vout->smsshado_size = PAGE_ALIGN(image_width * image_height * 2 * 2);
+
+	/*
+	 * Request and Initialize DMA, for DMA based VRFB transfer
+	 */
+	vout->vrfb_dma_tx.dev_id = OMAP_DMA_NO_DEVICE;
+	vout->vrfb_dma_tx.dma_ch = -1;
+	vout->vrfb_dma_tx.req_status = DMA_CHAN_ALLOTED;
+	r = omap_request_dma(vout->vrfb_dma_tx.dev_id, "VRFB DMA TX",
+			omap_vout_vrfb_dma_tx_callback,
+			(void *) &vout->vrfb_dma_tx, &vout->vrfb_dma_tx.dma_ch);
+	if (r < 0) {
+		vout->vrfb_dma_tx.req_status = DMA_CHAN_NOT_ALLOTED;
+		printk(KERN_INFO VOUT_NAME ": DMA Channel not alloted\
+				for video%d [v4l2]\n", vfd->minor);
+	}
+	init_waitqueue_head(&vout->vrfb_dma_tx.wait);
+
+	/* Allocate VRFB buffers if selected through bootargs */
+	static_vrfb_allocation = (vid_num == 0) ?
+		vid1_static_vrfb_alloc : vid2_static_vrfb_alloc;
+
+	/* statically allocated the VRFB buffer is done through
+	   commands line aruments */
+	if (static_vrfb_allocation) {
+		if (omap_vout_allocate_vrfb_buffers(vout, vrfb_num_bufs)) {
+			r =  -ENOMEM;
+			goto free_buffers;
+		}
+		vout->vrfb_static_allocation = 1;
+	}
+	return 0;
+
+free_buffers:
+	for (i = 0; i < numbuffers; i++) {
+		omap_vout_free_buffer(vout->buf_virt_addr[i],
+				vout->buf_phy_addr[i], vout->buffer_size);
+		vout->buf_virt_addr[i] = 0;
+		vout->buf_phy_addr[i] = 0;
+	}
+	return r;
+
+}
+
+/* Create video out devices */
+static int __init omap_vout_create_video_devices(struct platform_device *pdev)
+{
+	int r = 0, k;
+	struct omap_vout_device *vout;
+	struct video_device *vfd = NULL;
+	struct omap2video_device *vid_dev = platform_get_drvdata(pdev);
+
+	for (k = 0; k < pdev->num_resources; k++) {
+
+		vout = kmalloc(sizeof(struct omap_vout_device), GFP_KERNEL);
+		if (!vout) {
+			printk(KERN_ERR VOUT_NAME ": could not allocate \
+					memory\n");
+			return -ENOMEM;
+		}
+
+		memset(vout, 0, sizeof(struct omap_vout_device));
+
+		vout->dev = &pdev->dev;
+		vout->vid = k;
+		vid_dev->vouts[k] = vout;
+		vout->vid_info.vid_dev = vid_dev;
+		vout->vid_info.overlays[0] = vid_dev->overlays[k + 1];
+		vout->vid_info.num_overlays = 1;
+		vout->vid_info.id = k + 1;
+		vid_dev->num_videos++;
+
+		/* Setup the default configuration for the video devices
+		 */
+		if (omap_vout_setup_video_data(vout) != 0) {
+			r = -ENOMEM;
+			goto error;
+		}
+
+		/* Allocate default number of buffers for the video streaming
+		 * and reserve the VRFB space for rotation
+		 */
+		if (omap_vout_setup_video_bufs(pdev, k) != 0) {
+			r = -ENOMEM;
+			goto error1;
+		}
+
+		/* Register the Video device with V4L2
+		 */
+		vfd = vout->vfd;
+		if (video_register_device(vfd, VFL_TYPE_GRABBER, k + 1) < 0) {
+			printk(KERN_ERR VOUT_NAME ": could not register \
+					Video for Linux device\n");
+			vfd->minor = -1;
+			r = -ENODEV;
+			goto error2;
+		}
+		video_set_drvdata(vfd, vout);
+
+		/* Configure the overlay structure */
+		r = omapvid_init(vid_dev->vouts[k], 0);
+
+		if (r)
+			goto error2;
+		else
+			goto success;
+error2:
+	omap_vout_release_vrfb(vout);
+	omap_vout_free_buffers(vout);
+error1:
+	video_device_release(vfd);
+error:
+	kfree(vout);
+	return r;
+
+success:
+	printk(KERN_INFO VOUT_NAME ": registered and initialized\
+			video device %d [v4l2]\n", vfd->minor);
+	if (k == (pdev->num_resources - 1))
+		return 0;
+	}
+	return -ENODEV;
+
+}
+/* Driver functions */
+static int omap_vout_remove(struct platform_device *pdev)
+{
+
+	struct omap2video_device *vid_dev = platform_get_drvdata(pdev);
+	int k;
+
+	for (k = 0; k < pdev->num_resources; k++)
+		omap_vout_cleanup_device(vid_dev->vouts[k]);
+
+	for (k = 0; k < vid_dev->num_displays; k++) {
+		if (vid_dev->displays[k]->state != OMAP_DSS_DISPLAY_DISABLED)
+			vid_dev->displays[k]->disable(vid_dev->displays[k]);
+
+		omap_dss_put_display(vid_dev->displays[k]);
+	}
+	kfree(vid_dev);
+	return 0;
+}
+
+static int __init omap_vout_probe(struct platform_device *pdev)
+{
+	int r = 0, i, t;
+	struct omap2video_device *vid_dev = NULL;
+	struct omap_overlay *ovl;
+	struct omap_display *def_display;
+
+	if (pdev->num_resources == 0) {
+		dev_err(&pdev->dev, "probed for an unknown device\n");
+		r = -ENODEV;
+		return r;
+	}
+
+	vid_dev = kzalloc(sizeof(struct omap2video_device), GFP_KERNEL);
+	if (vid_dev == NULL) {
+		r = -ENOMEM;
+		return r;
+	}
+
+	platform_set_drvdata(pdev, vid_dev);
+
+	vid_dev->num_displays = 0;
+	t = omap_dss_get_num_displays();
+	for (i = 0; i < t; i++) {
+		struct omap_display *display;
+		display = omap_dss_get_display(i);
+		if (!display) {
+			dev_err(&pdev->dev, "probed for an unknown device\n");
+			r = -EINVAL;
+			goto error0;
+		}
+		vid_dev->displays[vid_dev->num_displays++] = display;
+	}
+
+	if (vid_dev->num_displays == 0) {
+		dev_err(&pdev->dev, "probed for an unknown device\n");
+		r = -EINVAL;
+		goto error0;
+	}
+
+	vid_dev->num_overlays = omap_dss_get_num_overlays();
+	for (i = 0; i < vid_dev->num_overlays; i++)
+		vid_dev->overlays[i] = omap_dss_get_overlay(i);
+
+	vid_dev->num_managers = omap_dss_get_num_overlay_managers();
+	for (i = 0; i < vid_dev->num_managers; i++)
+		vid_dev->managers[i] = omap_dss_get_overlay_manager(i);
+
+	/* Get the Video1 overlay and video2 overlay.
+	 * Setup the Display attached to that overlays
+	 */
+	 for (i = 1; i < 3; i++) {
+		ovl = omap_dss_get_overlay(i);
+		if (ovl->manager && ovl->manager->display) {
+			def_display = ovl->manager->display;
+		} else {
+			dev_err(&pdev->dev, "probed for an unknown device\n");
+			r = -EINVAL;
+			goto error0;
+		}
+		r = def_display->enable(def_display);
+		if (r) {
+			/* Here we are not considering a error as display may be
+			enabled by frame buffer driver */
+			printk(KERN_WARNING VOUT_NAME
+					"Display already enabled\n");
+		}
+		/* set the update mode */
+		if (def_display->caps & OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE) {
+#ifdef CONFIG_FB_OMAP2_FORCE_AUTO_UPDATE
+			if (def_display->set_update_mode)
+				def_display->set_update_mode(def_display,
+						OMAP_DSS_UPDATE_AUTO);
+			if (def_display->enable_te)
+				def_display->enable_te(def_display, 1);
+#else
+			if (def_display->set_update_mode)
+				def_display->set_update_mode(def_display,
+						OMAP_DSS_UPDATE_MANUAL);
+			if (def_display->enable_te)
+				def_display->enable_te(def_display, 0);
+#endif
+		} else {
+			if (def_display->set_update_mode)
+				def_display->set_update_mode(def_display,
+						OMAP_DSS_UPDATE_AUTO);
+		}
+	 }
+
+	r = omap_vout_create_video_devices(pdev);
+	if (r)
+		goto error0;
+
+	for (i = 0; i < vid_dev->num_displays; i++) {
+		struct omap_display *display = vid_dev->displays[i];
+
+		if (display->update)
+			display->update(display, 0, 0,
+			display->panel->timings.x_res,
+			display->panel->timings.y_res);
+	}
+	printk(KERN_INFO VOUT_NAME "display->updated\n");
+	return 0;
+
+error0:
+	kfree(vid_dev);
+	return r;
+}
+
+static struct platform_driver omap_vout_driver = {
+	.driver = {
+		   .name = VOUT_NAME,
+		   },
+	.probe = omap_vout_probe,
+	.remove = omap_vout_remove,
+};
+
+void omap_vout_isr(void *arg, unsigned int irqstatus)
+{
+	int r;
+	struct timeval timevalue;
+	struct omap_vout_device *vout =
+	    (struct omap_vout_device *) arg;
+	u32 addr, fid;
+	struct omapvideo_info *ovid;
+	struct omap_overlay *ovl;
+	struct omap_display *cur_display;
+
+	if (!vout->streaming)
+		return;
+
+	ovid = &(vout->vid_info);
+	ovl = ovid->overlays[0];
+	/* get the display device attached to the overlay */
+	if (!ovl->manager || !ovl->manager->display)
+		return;
+	cur_display = ovl->manager->display;
+
+	spin_lock(&vout->vbq_lock);
+	do_gettimeofday(&timevalue);
+	if (cur_display->type == OMAP_DISPLAY_TYPE_DPI) {
+		if (!(irqstatus & DISPC_IRQ_VSYNC))
+			return;
+		if (!vout->first_int && (vout->cur_frm != vout->next_frm)) {
+			vout->cur_frm->ts = timevalue;
+			vout->cur_frm->state = VIDEOBUF_DONE;
+			wake_up_interruptible(&vout->cur_frm->done);
+			vout->cur_frm = vout->next_frm;
+		}
+		vout->first_int = 0;
+		if (list_empty(&vout->dma_queue)) {
+			spin_unlock(&vout->vbq_lock);
+			return;
+		}
+
+		vout->next_frm = list_entry(vout->dma_queue.next,
+					struct videobuf_buffer, queue);
+		list_del(&vout->next_frm->queue);
+
+		vout->next_frm->state = VIDEOBUF_ACTIVE;
+
+		addr = (unsigned long) vout->queued_buf_addr[vout->next_frm->i]
+			+ vout->cropped_offset;
+
+		/* First save the configuration in ovelray structure */
+		r = omapvid_init(vout, addr);
+		if (r)
+			printk(KERN_ERR VOUT_NAME "failed to set overlay info\n");
+		/* Enable the pipeline and set the Go bit */
+		r = omapvid_apply_changes(vout);
+		if (r)
+			printk(KERN_ERR VOUT_NAME "failed to change mode\n");
+	} else {
+
+		if (vout->first_int) {
+			vout->first_int = 0;
+			spin_unlock(&vout->vbq_lock);
+			return;
+		}
+		if (irqstatus & DISPC_IRQ_EVSYNC_ODD) {
+			fid = 1;
+		} else if (irqstatus & DISPC_IRQ_EVSYNC_EVEN) {
+			fid = 0;
+		} else {
+			spin_unlock(&vout->vbq_lock);
+			return;
+		}
+		vout->field_id ^= 1;
+		if (fid != vout->field_id) {
+			if (0 == fid)
+				vout->field_id = fid;
+
+			spin_unlock(&vout->vbq_lock);
+			return;
+		}
+		if (0 == fid) {
+			if (vout->cur_frm == vout->next_frm) {
+				spin_unlock(&vout->vbq_lock);
+				return;
+			}
+			vout->cur_frm->ts = timevalue;
+			vout->cur_frm->state = VIDEOBUF_DONE;
+			wake_up_interruptible(&vout->cur_frm->done);
+			vout->cur_frm = vout->next_frm;
+		} else if (1 == fid) {
+			if (list_empty(&vout->dma_queue) ||
+			    (vout->cur_frm != vout->next_frm)) {
+				spin_unlock(&vout->vbq_lock);
+				return;
+			}
+			vout->next_frm = list_entry(vout->dma_queue.next,
+					   struct videobuf_buffer, queue);
+			list_del(&vout->next_frm->queue);
+
+			vout->next_frm->state = VIDEOBUF_ACTIVE;
+			addr = (unsigned long)
+			    vout->queued_buf_addr[vout->next_frm->i] +
+			    vout->cropped_offset;
+			/* First save the configuration in ovelray structure */
+			r = omapvid_init(vout, addr);
+			if (r)
+				printk(KERN_ERR VOUT_NAME "failed to set overlay info\n");
+			/* Enable the pipeline and set the Go bit */
+			r = omapvid_apply_changes(vout);
+			if (r)
+				printk(KERN_ERR VOUT_NAME "failed to change mode\n");
+		}
+
+	}
+	spin_unlock(&vout->vbq_lock);
+}
+
+static void omap_vout_cleanup_device(struct omap_vout_device *vout)
+{
+
+	struct video_device *vfd;
+
+	if (!vout)
+		return;
+	vfd = vout->vfd;
+
+	if (vfd) {
+		if (vfd->minor == -1) {
+			/*
+			 * The device was never registered, so release the
+			 * video_device struct directly.
+			 */
+			video_device_release(vfd);
+		} else {
+			/*
+			 * The unregister function will release the video_device
+			 * struct as well as unregistering it.
+			 */
+			video_unregister_device(vfd);
+		}
+	}
+
+	omap_vout_release_vrfb(vout);
+
+	omap_vout_free_buffers(vout);
+	/* Free the VRFB buffer if allocated
+	 * init time
+	 */
+	if (vout->vrfb_static_allocation)
+		omap_vout_free_vrfb_buffers(vout);
+
+	kfree(vout);
+}
+
+static int __init omap_vout_init(void)
+{
+
+	if (platform_driver_register(&omap_vout_driver) != 0) {
+		printk(KERN_ERR VOUT_NAME ": could not register \
+				Video driver\n");
+		return -EINVAL;
+	}
+	return 0;
+}
+
+static void omap_vout_cleanup(void)
+{
+	platform_driver_unregister(&omap_vout_driver);
+}
+
+MODULE_AUTHOR("Texas Instruments.");
+MODULE_DESCRIPTION("OMAP Video for Linux Video out driver");
+MODULE_LICENSE("GPL");
+
+late_initcall(omap_vout_init);
+module_exit(omap_vout_cleanup);
diff --git a/drivers/media/video/omap/omap_voutdef.h b/drivers/media/video/omap/omap_voutdef.h
new file mode 100644
index 0000000..16e5059
--- /dev/null
+++ b/drivers/media/video/omap/omap_voutdef.h
@@ -0,0 +1,134 @@
+/*
+ * drivers/media/video/omap/omap_voutdef.h
+ *
+ * Copyright (C) 2009 Texas Instruments.
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+#ifndef OMAP_VOUTDEF_H
+#define OMAP_VOUTDEF_H
+
+#include <mach/display.h>
+
+#define YUYV_BPP        2
+#define RGB565_BPP      2
+#define RGB24_BPP       3
+#define RGB32_BPP       4
+#define TILE_SIZE       32
+#define YUYV_VRFB_BPP   2
+#define RGB_VRFB_BPP    1
+#define MAX_CID			3
+
+/*
+ * This structure is used to store the DMA transfer parameters
+ * for VRFB hidden buffer
+ */
+struct vid_vrfb_dma {
+	int dev_id;
+	int dma_ch;
+	int req_status;
+	int tx_status;
+	wait_queue_head_t wait;
+};
+
+struct omapvideo_info {
+	int id;
+	int num_overlays;
+	struct omap_overlay *overlays[3];
+	struct omap2video_device *vid_dev;
+};
+
+struct omap2video_device {
+	struct device *dev;
+	struct mutex  mtx;
+
+	int state;
+
+	int num_videos;
+	struct omap_vout_device *vouts[10];
+
+	int num_displays;
+	struct omap_display *displays[10];
+	int num_overlays;
+	struct omap_overlay *overlays[10];
+	int num_managers;
+	struct omap_overlay_manager *managers[10];
+};
+
+/* per-device data structure */
+struct omap_vout_device {
+
+	struct omapvideo_info vid_info;
+	struct device *dev;
+	struct video_device *vfd;
+	int vid;
+	int opened;
+
+	/* we don't allow to change image fmt/size once buffer has
+	 * been allocated
+	 */
+	int buffer_allocated;
+	/* allow to reuse previosuly allocated buffer which is big enough */
+	int buffer_size;
+	/* keep buffer info accross opens */
+	unsigned long buf_virt_addr[VIDEO_MAX_FRAME];
+	unsigned long buf_phy_addr[VIDEO_MAX_FRAME];
+	enum omap_color_mode dss_mode;
+
+	/* we don't allow to request new buffer when old buffers are
+	 * still mmaped
+	 */
+	int mmap_count;
+
+	spinlock_t vbq_lock;		/* spinlock for videobuf queues */
+	unsigned long field_count;	/* field counter for videobuf_buffer */
+
+	/* non-NULL means streaming is in progress. */
+	bool streaming;
+
+	struct v4l2_pix_format pix;
+	struct v4l2_rect crop;
+	struct v4l2_window win;
+	struct v4l2_framebuffer fbuf;
+
+	/* Lock to protect the shared data structures in ioctl */
+	struct mutex lock;
+
+	/* V4L2 control structure for different control id */
+	struct v4l2_control control[MAX_CID];
+	int rotation;
+	int mirror;
+	int flicker_filter;
+	/* V4L2 control structure for different control id */
+
+	int bpp; /* bytes per pixel */
+	int vrfb_bpp; /* bytes per pixel with respect to VRFB */
+
+	struct vid_vrfb_dma vrfb_dma_tx;
+	unsigned int smsshado_phy_addr[4];
+	unsigned int smsshado_virt_addr[4];
+	struct vrfb vrfb_context[4];
+	bool vrfb_static_allocation;
+	unsigned int smsshado_size;
+	unsigned char pos;
+
+	int ps, vr_ps, line_length, first_int, field_id;
+	enum v4l2_memory memory;
+	struct videobuf_buffer *cur_frm, *next_frm;
+	struct list_head dma_queue;
+	u8 *queued_buf_addr[32];
+	u32 cropped_offset;
+	s32 tv_field1_offset;
+	void *isr_handle;
+
+	/* Buffer queue variabled */
+	struct omap_vout_device *vout;
+	enum v4l2_buf_type type;
+	struct videobuf_queue vbq;
+	int io_allowed;
+
+};
+#endif	/* ifndef OMAP_VOUTDEF_H */
diff --git a/drivers/media/video/omap/omap_voutlib.c b/drivers/media/video/omap/omap_voutlib.c
new file mode 100644
index 0000000..4a29d81
--- /dev/null
+++ b/drivers/media/video/omap/omap_voutlib.c
@@ -0,0 +1,266 @@
+/*
+ * drivers/media/video/omap/omap_voutlib.c
+ *
+ * Copyright (C) 2005-2009 Texas Instruments.
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ *
+ * Based on the OMAP2 camera driver
+ * Video-for-Linux (Version 2) camera capture driver for
+ * the OMAP24xx camera controller.
+ *
+ * Author: Andy Lowe (source@mvista.com)
+ *
+ * Copyright (C) 2004 MontaVista Software, Inc.
+ * Copyright (C) 2009 Texas Instruments.
+ *
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/vmalloc.h>
+#include <linux/slab.h>
+#include <linux/sched.h>
+#include <linux/smp_lock.h>
+#include <linux/kdev_t.h>
+#include <linux/types.h>
+#include <linux/wait.h>
+#include <linux/videodev2.h>
+#include <linux/semaphore.h>
+
+/* Return the default overlay cropping rectangle in crop given the image
+ * size in pix and the video display size in fbuf.  The default
+ * cropping rectangle is the largest rectangle no larger than the capture size
+ * that will fit on the display.  The default cropping rectangle is centered in
+ * the image.  All dimensions and offsets are rounded down to even numbers.
+ */
+void omap_vout_default_crop(struct v4l2_pix_format *pix,
+		  struct v4l2_framebuffer *fbuf, struct v4l2_rect *crop)
+{
+	crop->width = (pix->width < fbuf->fmt.width) ?
+		pix->width : fbuf->fmt.width;
+	crop->height = (pix->height < fbuf->fmt.height) ?
+		pix->height : fbuf->fmt.height;
+	crop->width &= ~1;
+	crop->height &= ~1;
+	crop->left = ((pix->width - crop->width) >> 1) & ~1;
+	crop->top = ((pix->height - crop->height) >> 1) & ~1;
+}
+EXPORT_SYMBOL_GPL(omap_vout_default_crop);
+
+/* Given a new render window in new_win, adjust the window to the
+ * nearest supported configuration.  The adjusted window parameters are
+ * returned in new_win.
+ * Returns zero if succesful, or -EINVAL if the requested window is
+ * impossible and cannot reasonably be adjusted.
+ */
+int omap_vout_try_window(struct v4l2_framebuffer *fbuf,
+			struct v4l2_window *new_win)
+{
+	struct v4l2_rect try_win;
+
+	/* make a working copy of the new_win rectangle */
+	try_win = new_win->w;
+
+	/* adjust the preview window so it fits on the display by clipping any
+	 * offscreen areas
+	 */
+	if (try_win.left < 0) {
+		try_win.width += try_win.left;
+		try_win.left = 0;
+	}
+	if (try_win.top < 0) {
+		try_win.height += try_win.top;
+		try_win.top = 0;
+	}
+	try_win.width = (try_win.width < fbuf->fmt.width) ?
+		try_win.width : fbuf->fmt.width;
+	try_win.height = (try_win.height < fbuf->fmt.height) ?
+		try_win.height : fbuf->fmt.height;
+	if (try_win.left + try_win.width > fbuf->fmt.width)
+		try_win.width = fbuf->fmt.width - try_win.left;
+	if (try_win.top + try_win.height > fbuf->fmt.height)
+		try_win.height = fbuf->fmt.height - try_win.top;
+	try_win.width &= ~1;
+	try_win.height &= ~1;
+
+	if (try_win.width <= 0 || try_win.height <= 0)
+		return -EINVAL;
+
+	/* We now have a valid preview window, so go with it */
+	new_win->w = try_win;
+	new_win->field = V4L2_FIELD_ANY;
+	return 0;
+}
+EXPORT_SYMBOL_GPL(omap_vout_try_window);
+
+/* Given a new render window in new_win, adjust the window to the
+ * nearest supported configuration.  The image cropping window in crop
+ * will also be adjusted if necessary.  Preference is given to keeping the
+ * the window as close to the requested configuration as possible.  If
+ * successful, new_win, vout->win, and crop are updated.
+ * Returns zero if succesful, or -EINVAL if the requested preview window is
+ * impossible and cannot reasonably be adjusted.
+ */
+int omap_vout_new_window(struct v4l2_rect *crop,
+		struct v4l2_window *win, struct v4l2_framebuffer *fbuf,
+		struct v4l2_window *new_win)
+{
+	int err;
+
+	err = omap_vout_try_window(fbuf, new_win);
+	if (err)
+		return err;
+
+	/* update our preview window */
+	win->w = new_win->w;
+	win->field = new_win->field;
+	win->chromakey = new_win->chromakey;
+
+	/* adjust the cropping window to allow for resizing limitations */
+	if ((crop->height/win->w.height) >= 4) {
+		/* The maximum vertical downsizing ratio is 4:1 */
+		crop->height = win->w.height * 4;
+	}
+	if ((crop->width/win->w.width) >= 4) {
+		/* The maximum horizontal downsizing ratio is 4:1 */
+		crop->width = win->w.width * 4;
+	}
+	return 0;
+}
+EXPORT_SYMBOL_GPL(omap_vout_new_window);
+
+/* Given a new cropping rectangle in new_crop, adjust the cropping rectangle to
+ * the nearest supported configuration.  The image render window in win will
+ * also be adjusted if necessary.  The preview window is adjusted such that the
+ * horizontal and vertical rescaling ratios stay constant.  If the render
+ * window would fall outside the display boundaries, the cropping rectangle
+ * will also be adjusted to maintain the rescaling ratios.  If successful, crop
+ * and win are updated.
+ * Returns zero if succesful, or -EINVAL if the requested cropping rectangle is
+ * impossible and cannot reasonably be adjusted.
+ */
+int omap_vout_new_crop(struct v4l2_pix_format *pix,
+	      struct v4l2_rect *crop, struct v4l2_window *win,
+	      struct v4l2_framebuffer *fbuf, const struct v4l2_rect *new_crop)
+{
+	struct v4l2_rect try_crop;
+	unsigned long vresize, hresize;
+
+	/* make a working copy of the new_crop rectangle */
+	try_crop = *new_crop;
+
+	/* adjust the cropping rectangle so it fits in the image */
+	if (try_crop.left < 0) {
+		try_crop.width += try_crop.left;
+		try_crop.left = 0;
+	}
+	if (try_crop.top < 0) {
+		try_crop.height += try_crop.top;
+		try_crop.top = 0;
+	}
+	try_crop.width = (try_crop.width < pix->width) ?
+		try_crop.width : pix->width;
+	try_crop.height = (try_crop.height < pix->height) ?
+		try_crop.height : pix->height;
+	if (try_crop.left + try_crop.width > pix->width)
+		try_crop.width = pix->width - try_crop.left;
+	if (try_crop.top + try_crop.height > pix->height)
+		try_crop.height = pix->height - try_crop.top;
+	try_crop.width &= ~1;
+	try_crop.height &= ~1;
+	if (try_crop.width <= 0 || try_crop.height <= 0)
+		return -EINVAL;
+
+	if (crop->height != win->w.height) {
+		/* If we're resizing vertically, we can't support a crop width
+		 * wider than 768 pixels.
+		 */
+		if (try_crop.width > 768)
+			try_crop.width = 768;
+	}
+	/* vertical resizing */
+	vresize = (1024 * crop->height) / win->w.height;
+	if (vresize > 4096)
+		vresize = 4096;
+	else if (vresize == 0)
+		vresize = 1;
+	win->w.height = ((1024 * try_crop.height) / vresize) & ~1;
+	if (win->w.height == 0)
+		win->w.height = 2;
+	if (win->w.height + win->w.top > fbuf->fmt.height) {
+		/* We made the preview window extend below the bottom of the
+		 * display, so clip it to the display boundary and resize the
+		 * cropping height to maintain the vertical resizing ratio.
+		 */
+		win->w.height = (fbuf->fmt.height - win->w.top) & ~1;
+		if (try_crop.height == 0)
+			try_crop.height = 2;
+	}
+	/* horizontal resizing */
+	hresize = (1024 * crop->width) / win->w.width;
+	if (hresize > 4096)
+		hresize = 4096;
+	else if (hresize == 0)
+		hresize = 1;
+	win->w.width = ((1024 * try_crop.width) / hresize) & ~1;
+	if (win->w.width == 0)
+		win->w.width = 2;
+	if (win->w.width + win->w.left > fbuf->fmt.width) {
+		/* We made the preview window extend past the right side of the
+		 * display, so clip it to the display boundary and resize the
+		 * cropping width to maintain the horizontal resizing ratio.
+		 */
+		win->w.width = (fbuf->fmt.width - win->w.left) & ~1;
+		if (try_crop.width == 0)
+			try_crop.width = 2;
+	}
+
+	/* Check for resizing constraints */
+	if ((try_crop.height/win->w.height) >= 4) {
+		/* The maximum vertical downsizing ratio is 4:1 */
+		try_crop.height = win->w.height * 4;
+	}
+	if ((try_crop.width/win->w.width) >= 4) {
+		/* The maximum horizontal downsizing ratio is 4:1 */
+		try_crop.width = win->w.width * 4;
+	}
+
+	/* update our cropping rectangle and we're done */
+	*crop = try_crop;
+	return 0;
+}
+EXPORT_SYMBOL_GPL(omap_vout_new_crop);
+
+/* Given a new format in pix and fbuf,  crop and win
+ * structures are initialized to default values. crop
+ * is initialized to the largest window size that will fit on the display.  The
+ * crop window is centered in the image. win is initialized to
+ * the same size as crop and is centered on the display.
+ * All sizes and offsets are constrained to be even numbers.
+ */
+void omap_vout_new_format(struct v4l2_pix_format *pix,
+		struct v4l2_framebuffer *fbuf, struct v4l2_rect *crop,
+		struct v4l2_window *win)
+{
+	/* crop defines the preview source window in the image capture
+	 * buffer
+	 */
+	omap_vout_default_crop(pix, fbuf, crop);
+
+	/* win defines the preview target window on the display */
+	win->w.width = crop->width;
+	win->w.height = crop->height;
+	win->w.left = ((fbuf->fmt.width - win->w.width) >> 1) & ~1;
+	win->w.top = ((fbuf->fmt.height - win->w.height) >> 1) & ~1;
+}
+EXPORT_SYMBOL_GPL(omap_vout_new_format);
+
+MODULE_AUTHOR("Texas Instruments.");
+MODULE_DESCRIPTION("OMAP Video library");
+MODULE_LICENSE("GPL");
diff --git a/drivers/media/video/omap/omap_voutlib.h b/drivers/media/video/omap/omap_voutlib.h
new file mode 100644
index 0000000..8ef6e25
--- /dev/null
+++ b/drivers/media/video/omap/omap_voutlib.h
@@ -0,0 +1,34 @@
+/*
+ * drivers/media/video/omap/omap_voutlib.h
+ *
+ * Copyright (C) 2009 Texas Instruments.
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ *
+ */
+
+#ifndef OMAP_VOUTLIB_H
+#define OMAP_VOUTLIB_H
+
+extern void omap_vout_default_crop(struct v4l2_pix_format *pix,
+		struct v4l2_framebuffer *fbuf, struct v4l2_rect *crop);
+
+extern int omap_vout_new_crop(struct v4l2_pix_format *pix,
+		struct v4l2_rect *crop, struct v4l2_window *win,
+		struct v4l2_framebuffer *fbuf,
+		const struct v4l2_rect *new_crop);
+
+extern int omap_vout_try_window(struct v4l2_framebuffer *fbuf,
+		struct v4l2_window *new_win);
+
+extern int omap_vout_new_window(struct v4l2_rect *crop,
+		struct v4l2_window *win, struct v4l2_framebuffer *fbuf,
+		struct v4l2_window *new_win);
+
+extern void omap_vout_new_format(struct v4l2_pix_format *pix,
+		struct v4l2_framebuffer *fbuf, struct v4l2_rect *crop,
+		struct v4l2_window *win);
+#endif	/* #ifndef OMAP_LIB_H */
+
