diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig
index 99937c9..9cebf7b 100644
--- a/drivers/media/video/Kconfig
+++ b/drivers/media/video/Kconfig
@@ -1179,6 +1179,15 @@ config VIDEO_MEM2MEM_TESTDEV
 	  This is a virtual test device for the memory-to-memory driver
 	  framework.
 
+config VIDEO_CODA
+	tristate "Chips&Media Coda multi-standard codec IP"
+	depends on VIDEO_DEV && VIDEO_V4L2
+	select VIDEOBUF2_DMA_CONTIG
+	select V4L2_MEM2MEM_DEV
+	---help---
+	   Coda is a range of video codec IPs that supports
+	   H.264, MPEG-4, and other video formats.
+
 config VIDEO_SAMSUNG_S5P_G2D
 	tristate "Samsung S5P and EXYNOS4 G2D 2d graphics accelerator driver"
 	depends on VIDEO_DEV && VIDEO_V4L2 && PLAT_S5P
diff --git a/drivers/media/video/Makefile b/drivers/media/video/Makefile
index d209de0..a04c307 100644
--- a/drivers/media/video/Makefile
+++ b/drivers/media/video/Makefile
@@ -187,6 +187,7 @@ obj-$(CONFIG_VIDEO_OMAP1)		+= omap1_camera.o
 obj-$(CONFIG_VIDEO_ATMEL_ISI)		+= atmel-isi.o
 
 obj-$(CONFIG_VIDEO_MX2_EMMAPRP)		+= mx2_emmaprp.o
+obj-$(CONFIG_VIDEO_CODA) 			+= coda.o
 
 obj-$(CONFIG_VIDEO_SAMSUNG_S5P_FIMC) 	+= s5p-fimc/
 obj-$(CONFIG_VIDEO_SAMSUNG_S5P_JPEG)	+= s5p-jpeg/
diff --git a/drivers/media/video/coda.c b/drivers/media/video/coda.c
new file mode 100644
index 0000000..39f956e
--- /dev/null
+++ b/drivers/media/video/coda.c
@@ -0,0 +1,1879 @@
+/*
+ * Coda multi-standard codec IP
+ *
+ * Copyright (C) 2012 Vista Silicon S.L.
+ *    Javier Martin, <javier.martin@vista-silicon.com>
+ *    Xavier Duret
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/firmware.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/irq.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/videodev2.h>
+
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-ioctl.h>
+#include <media/v4l2-mem2mem.h>
+#include <media/videobuf2-core.h>
+#include <media/videobuf2-dma-contig.h>
+
+#include "coda.h"
+
+#define CODA_NAME		"coda"
+
+#define CODA_MAX_INSTANCES	4
+
+#define CODA_FMO_BUF_SIZE	32
+#define CODADX6_WORK_BUF_SIZE	(288 * 1024 + CODA_FMO_BUF_SIZE * 8 * 1024)
+#define CODA7_WORK_BUF_SIZE	(512 * 1024 + CODA_FMO_BUF_SIZE * 8 * 1024)
+#define CODA_PARA_BUF_SIZE	(10 * 1024)
+#define CODA_ISRAM_SIZE	(2048 * 2)
+
+#define CODA_OUTPUT_BUFS	4
+#define CODA_CAPTURE_BUFS	2
+
+#define CODA_MAX_WIDTH		720
+#define CODA_MAX_HEIGHT		576
+#define CODA_MAX_FRAME_SIZE	0x90000
+#define FMO_SLICE_SAVE_BUF_SIZE         (32)
+#define CODA_DEFAULT_GAMMA		4096
+
+#define MIN_W 176
+#define MIN_H 144
+#define MAX_W 720
+#define MAX_H 576
+
+#define S_ALIGN		1 /* multiple of 2 */
+#define W_ALIGN		1 /* multiple of 2 */
+#define H_ALIGN		1 /* multiple of 2 */
+
+#define fh_to_ctx(__fh)	container_of(__fh, struct coda_ctx, fh)
+
+static int coda_debug;
+module_param(coda_debug, int, 0);
+MODULE_PARM_DESC(coda_debug, "Debug level (0-1)");
+
+enum {
+	V4L2_M2M_SRC = 0,
+	V4L2_M2M_DST = 1,
+};
+
+enum coda_fmt_type {
+	CODA_FMT_ENC,
+	CODA_FMT_RAW,
+};
+
+enum coda_inst_type {
+	CODA_INST_INVALID,
+	CODA_INST_ENCODER,
+	CODA_INST_DECODER,
+};
+
+enum coda_product {
+	CODA_DX6 = 0xf001,
+};
+
+struct coda_fmt {
+	char *name;
+	u32 fourcc;
+	enum coda_fmt_type type;
+};
+
+struct coda_devtype {
+	char			*firmware;
+	enum coda_product	product;
+	struct coda_fmt		*formats;
+	unsigned int		num_formats;
+	size_t			workbuf_size;
+};
+
+/* Per-queue, driver-specific private data */
+struct coda_q_data {
+	unsigned int		width;
+	unsigned int		height;
+	unsigned int		sizeimage;
+	struct coda_fmt	*fmt;
+};
+
+struct coda_aux_buf {
+	void			*vaddr;
+	dma_addr_t		paddr;
+};
+
+struct coda_dev {
+	struct v4l2_device	v4l2_dev;
+	struct video_device	vfd;
+	struct platform_device	*plat_dev;
+	struct coda_devtype	*devtype;
+
+	void __iomem		*regs_base;
+	struct clk		*clk_per;
+	struct clk		*clk_ahb;
+	int			irq;
+
+	size_t			codebuf_size;
+	struct coda_aux_buf	codebuf;
+	struct coda_aux_buf	workbuf;
+
+	spinlock_t		irqlock;
+	struct mutex		dev_mutex;
+	struct v4l2_m2m_dev	*m2m_dev;
+	struct vb2_alloc_ctx	*alloc_ctx;
+	int			instances;
+};
+
+struct coda_params {
+	u8			h264_intra_qp;
+	u8			h264_inter_qp;
+	u8			mpeg4_intra_qp;
+	u8			mpeg4_inter_qp;
+	u8			gop_size;
+	int			codec_mode;
+	enum v4l2_mpeg_video_multi_slice_mode slice_mode;
+	u32			framerate;
+	u16			bitrate;
+	u32			slice_max_mb;
+};
+
+struct coda_ctx {
+	struct coda_dev			*dev;
+	int				aborting;
+	int				rawstreamon;
+	int				compstreamon;
+	u32				isequence;
+	struct coda_q_data		q_data[2];
+	enum coda_inst_type		inst_type;
+	enum v4l2_colorspace		colorspace;
+	struct coda_params		params;
+	struct v4l2_m2m_ctx		*m2m_ctx;
+	struct v4l2_ctrl_handler	ctrls;
+	struct v4l2_fh			fh;
+	struct vb2_buffer		*reference;
+	int				gopcounter;
+	char				vpu_header[3][64];
+	int				vpu_header_size[3];
+	struct coda_aux_buf		parabuf;
+	int				idx;
+};
+
+static inline void coda_write(struct coda_dev *dev, u32 data, u32 reg)
+{
+	v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
+		 "%s: data=0x%x, reg=0x%x\n", __func__, data, reg);
+	writel(data, dev->regs_base + reg);
+}
+
+static inline unsigned int coda_read(struct coda_dev *dev, u32 reg)
+{
+	u32 data;
+	data = readl(dev->regs_base + reg);
+	v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
+		 "%s: data=0x%x, reg=0x%x\n", __func__, data, reg);
+	return data;
+}
+
+static inline unsigned long coda_isbusy(struct coda_dev *dev)
+{
+	return coda_read(dev, CODA_REG_BIT_BUSY);
+}
+
+static inline int coda_is_initialized(struct coda_dev *dev)
+{
+	return (coda_read(dev, CODA_REG_BIT_CUR_PC) != 0);
+}
+
+static int coda_wait_timeout(struct coda_dev *dev)
+{
+	unsigned long timeout = jiffies + msecs_to_jiffies(1000);
+
+	while (coda_isbusy(dev)) {
+		if (time_after(jiffies, timeout))
+			return -ETIMEDOUT;
+	};
+	return 0;
+}
+
+static void coda_command_async(struct coda_ctx *ctx, int cmd)
+{
+	struct coda_dev *dev = ctx->dev;
+	coda_write(dev, CODA_REG_BIT_BUSY_FLAG, CODA_REG_BIT_BUSY);
+
+	coda_write(dev, ctx->idx, CODA_REG_BIT_RUN_INDEX);
+	coda_write(dev, ctx->params.codec_mode, CODA_REG_BIT_RUN_COD_STD);
+	coda_write(dev, cmd, CODA_REG_BIT_RUN_COMMAND);
+}
+
+static int coda_command_sync(struct coda_ctx *ctx, int cmd)
+{
+	struct coda_dev *dev = ctx->dev;
+
+	coda_command_async(ctx, cmd);
+	return coda_wait_timeout(dev);
+}
+
+static struct coda_q_data *get_q_data(struct coda_ctx *ctx,
+					 enum v4l2_buf_type type)
+{
+	switch (type) {
+	case V4L2_BUF_TYPE_VIDEO_OUTPUT:
+		return &(ctx->q_data[V4L2_M2M_SRC]);
+	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+		return &(ctx->q_data[V4L2_M2M_DST]);
+	default:
+		BUG();
+	}
+	return NULL;
+}
+
+/*
+ * Add one array of supported formats for each version of Coda:
+ *  i.MX27 -> codadx6
+ *  i.MX51 -> coda7
+ *  i.MX6  -> coda960
+ */
+static struct coda_fmt codadx6_formats[] = {
+	{
+		.name = "YUV 4:2:0 Planar",
+		.fourcc = V4L2_PIX_FMT_YUV420,
+		.type = CODA_FMT_RAW,
+	},
+	{
+		.name = "H264 Encoded Stream",
+		.fourcc = V4L2_PIX_FMT_H264,
+		.type = CODA_FMT_ENC,
+	},
+	{
+		.name = "MPEG4 Encoded Stream",
+		.fourcc = V4L2_PIX_FMT_MPEG4,
+		.type = CODA_FMT_ENC,
+	},
+};
+
+static struct coda_fmt *find_format(struct coda_dev *dev, struct v4l2_format *f)
+{
+	struct coda_fmt *formats = dev->devtype->formats;
+	struct coda_fmt *fmt;
+	int num_formats = dev->devtype->num_formats;
+	unsigned int k;
+
+	for (k = 0; k < num_formats; k++) {
+		fmt = &formats[k];
+		if (fmt->fourcc == f->fmt.pix.pixelformat)
+			break;
+	}
+
+	if (k == num_formats)
+		return NULL;
+
+	return &formats[k];
+}
+
+/*
+ * V4L2 ioctl() operations.
+ */
+static int vidioc_querycap(struct file *file, void *priv,
+			   struct v4l2_capability *cap)
+{
+	strncpy(cap->driver, CODA_NAME, sizeof(cap->driver) - 1);
+	strncpy(cap->card, CODA_NAME, sizeof(cap->card) - 1);
+	cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VIDEO_OUTPUT
+				| V4L2_CAP_STREAMING;
+	cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
+
+	return 0;
+}
+
+static int enum_fmt(void *priv, struct v4l2_fmtdesc *f,
+			enum coda_fmt_type type)
+{
+	struct coda_ctx *ctx = fh_to_ctx(priv);
+	struct coda_dev *dev = ctx->dev;
+	struct coda_fmt *formats = dev->devtype->formats;
+	struct coda_fmt *fmt;
+	int num_formats = dev->devtype->num_formats;
+	int i, num = 0;
+
+	for (i = 0; i < num_formats; i++) {
+		if (formats[i].type == type) {
+			if (num == f->index)
+				break;
+			++num;
+		}
+	}
+
+	if (i < num_formats) {
+		fmt = &formats[i];
+		strlcpy(f->description, fmt->name, sizeof(f->description) - 1);
+		f->pixelformat = fmt->fourcc;
+		return 0;
+	}
+
+	/* Format not found */
+	return -EINVAL;
+}
+
+static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
+				   struct v4l2_fmtdesc *f)
+{
+	return enum_fmt(priv, f, CODA_FMT_ENC);
+}
+
+static int vidioc_enum_fmt_vid_out(struct file *file, void *priv,
+				   struct v4l2_fmtdesc *f)
+{
+	return enum_fmt(priv, f, CODA_FMT_RAW);
+}
+
+static int vidioc_g_fmt(struct coda_ctx *ctx, struct v4l2_format *f)
+{
+	struct vb2_queue *vq;
+	struct coda_q_data *q_data;
+
+	vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
+	if (!vq)
+		return -EINVAL;
+
+	q_data = get_q_data(ctx, f->type);
+
+	f->fmt.pix.field	= V4L2_FIELD_NONE;
+	f->fmt.pix.pixelformat	= q_data->fmt->fourcc;
+	if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUV420) {
+		f->fmt.pix.width	= q_data->width;
+		f->fmt.pix.height	= q_data->height;
+		f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 2);
+	} else { /* encoded formats h.264/mpeg4 */
+		f->fmt.pix.width	= 0;
+		f->fmt.pix.height	= 0;
+		f->fmt.pix.bytesperline = 0;
+	}
+	f->fmt.pix.sizeimage	= q_data->sizeimage;
+	f->fmt.pix.colorspace	= ctx->colorspace;
+
+	return 0;
+}
+
+static int vidioc_g_fmt_vid_out(struct file *file, void *priv,
+				struct v4l2_format *f)
+{
+	return vidioc_g_fmt(fh_to_ctx(priv), f);
+}
+
+static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
+				struct v4l2_format *f)
+{
+	return vidioc_g_fmt(fh_to_ctx(priv), f);
+}
+
+static int vidioc_try_fmt(struct coda_dev *dev, struct v4l2_format *f)
+{
+	enum v4l2_field field;
+
+	if (!find_format(dev, f))
+		return -EINVAL;
+
+	field = f->fmt.pix.field;
+	if (field == V4L2_FIELD_ANY)
+		field = V4L2_FIELD_NONE;
+	else if (V4L2_FIELD_NONE != field)
+		return -EINVAL;
+
+	/* V4L2 specification suggests the driver corrects the format struct
+	 * if any of the dimensions is unsupported */
+	f->fmt.pix.field = field;
+
+	if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUV420) {
+		v4l_bound_align_image(&f->fmt.pix.width, MIN_W, MAX_W,
+				      W_ALIGN, &f->fmt.pix.height,
+				      MIN_H, MAX_H, H_ALIGN, S_ALIGN);
+		f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 2);
+		f->fmt.pix.sizeimage = f->fmt.pix.height *
+					f->fmt.pix.bytesperline;
+	} else { /*encoded formats h.264/mpeg4 */
+		f->fmt.pix.bytesperline = 0;
+		f->fmt.pix.sizeimage = CODA_MAX_FRAME_SIZE;
+	}
+
+	return 0;
+}
+
+static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
+				  struct v4l2_format *f)
+{
+	int ret;
+	struct coda_fmt *fmt;
+	struct coda_ctx *ctx = fh_to_ctx(priv);
+
+	fmt = find_format(ctx->dev, f);
+	/*
+	 * Since decoding support is not implemented yet do not allow
+	 * CODA_FMT_RAW formats in the capture interface.
+	 */
+	if (!fmt || !(fmt->type == CODA_FMT_ENC)) {
+		v4l2_err(&ctx->dev->v4l2_dev,
+			 "Fourcc format (0x%08x) invalid.\n",
+			 f->fmt.pix.pixelformat);
+		return -EINVAL;
+	}
+
+	ret = vidioc_try_fmt(ctx->dev, f);
+	if (ret < 0)
+		return ret;
+
+	f->fmt.pix.colorspace = ctx->colorspace;
+
+	return 0;
+}
+
+static int vidioc_try_fmt_vid_out(struct file *file, void *priv,
+				  struct v4l2_format *f)
+{
+	struct coda_ctx *ctx = fh_to_ctx(priv);
+	struct coda_fmt *fmt;
+	int ret;
+
+	fmt = find_format(ctx->dev, f);
+	/*
+	 * Since decoding support is not implemented yet do not allow
+	 * CODA_FMT formats in the capture interface.
+	 */
+	if (!fmt || !(fmt->type == CODA_FMT_RAW)) {
+		v4l2_err(&ctx->dev->v4l2_dev,
+			 "Fourcc format (0x%08x) invalid.\n",
+			 f->fmt.pix.pixelformat);
+		return -EINVAL;
+	}
+
+	ret = vidioc_try_fmt(ctx->dev, f);
+	if (ret < 0)
+		return ret;
+
+	if (!f->fmt.pix.colorspace)
+		f->fmt.pix.colorspace = V4L2_COLORSPACE_REC709;
+
+	return 0;
+}
+
+static int vidioc_s_fmt(struct coda_ctx *ctx, struct v4l2_format *f)
+{
+	struct coda_q_data *q_data;
+	struct vb2_queue *vq;
+	int ret;
+
+	vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
+	if (!vq)
+		return -EINVAL;
+
+	q_data = get_q_data(ctx, f->type);
+	if (!q_data)
+		return -EINVAL;
+
+	if (vb2_is_busy(vq)) {
+		v4l2_err(&ctx->dev->v4l2_dev, "%s queue busy\n", __func__);
+		return -EBUSY;
+	}
+
+	ret = vidioc_try_fmt(ctx->dev, f);
+	if (ret)
+		return ret;
+
+	q_data->fmt		= find_format(ctx->dev, f);
+	if (q_data->fmt->fourcc == V4L2_PIX_FMT_YUV420) {
+		q_data->width		= f->fmt.pix.width;
+		q_data->height		= f->fmt.pix.height;
+		q_data->sizeimage = q_data->width * q_data->height * 3 / 2;
+	} else { /* encoded format h.264/mpeg-4 */
+		q_data->sizeimage = CODA_MAX_FRAME_SIZE;
+	}
+
+	v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
+		"Setting format for type %d, wxh: %dx%d, fmt: %d\n",
+		f->type, q_data->width, q_data->height, q_data->fmt->fourcc);
+
+	return 0;
+}
+
+static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
+				struct v4l2_format *f)
+{
+	int ret;
+
+	ret = vidioc_try_fmt_vid_cap(file, priv, f);
+	if (ret)
+		return ret;
+
+	return vidioc_s_fmt(fh_to_ctx(priv), f);
+}
+
+static int vidioc_s_fmt_vid_out(struct file *file, void *priv,
+				struct v4l2_format *f)
+{
+	struct coda_ctx *ctx = fh_to_ctx(priv);
+	int ret;
+
+	ret = vidioc_try_fmt_vid_out(file, priv, f);
+	if (ret)
+		return ret;
+
+	ret = vidioc_s_fmt(fh_to_ctx(priv), f);
+	if (ret)
+		ctx->colorspace = f->fmt.pix.colorspace;
+
+	return ret;
+}
+
+static int vidioc_reqbufs(struct file *file, void *priv,
+			  struct v4l2_requestbuffers *reqbufs)
+{
+	struct coda_ctx *ctx = fh_to_ctx(priv);
+
+	return v4l2_m2m_reqbufs(file, ctx->m2m_ctx, reqbufs);
+}
+
+static int vidioc_querybuf(struct file *file, void *priv,
+			   struct v4l2_buffer *buf)
+{
+	struct coda_ctx *ctx = fh_to_ctx(priv);
+
+	return v4l2_m2m_querybuf(file, ctx->m2m_ctx, buf);
+}
+
+static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
+{
+	int ret;
+	struct coda_ctx *ctx = fh_to_ctx(priv);
+
+	ret = v4l2_m2m_qbuf(file, ctx->m2m_ctx, buf);
+	return ret;
+}
+
+static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
+{
+	struct coda_ctx *ctx = fh_to_ctx(priv);
+
+	return v4l2_m2m_dqbuf(file, ctx->m2m_ctx, buf);
+}
+
+static int vidioc_streamon(struct file *file, void *priv,
+			   enum v4l2_buf_type type)
+{
+	struct coda_ctx *ctx = fh_to_ctx(priv);
+
+	return v4l2_m2m_streamon(file, ctx->m2m_ctx, type);
+}
+
+static int vidioc_streamoff(struct file *file, void *priv,
+			    enum v4l2_buf_type type)
+{
+	struct coda_ctx *ctx = fh_to_ctx(priv);
+
+	return v4l2_m2m_streamoff(file, ctx->m2m_ctx, type);
+}
+
+static const struct v4l2_ioctl_ops coda_ioctl_ops = {
+	.vidioc_querycap	= vidioc_querycap,
+
+	.vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
+	.vidioc_g_fmt_vid_cap	= vidioc_g_fmt_vid_cap,
+	.vidioc_try_fmt_vid_cap	= vidioc_try_fmt_vid_cap,
+	.vidioc_s_fmt_vid_cap	= vidioc_s_fmt_vid_cap,
+
+	.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_reqbufs		= vidioc_reqbufs,
+	.vidioc_querybuf	= vidioc_querybuf,
+
+	.vidioc_qbuf		= vidioc_qbuf,
+	.vidioc_dqbuf		= vidioc_dqbuf,
+
+	.vidioc_streamon	= vidioc_streamon,
+	.vidioc_streamoff	= vidioc_streamoff,
+};
+
+/*
+ * Mem-to-mem operations.
+ */
+
+static int coda_isr(struct coda_dev *dev)
+{
+	struct coda_ctx *ctx;
+	struct vb2_buffer *src_buf, *dst_buf, *tmp_buf;
+	u32 wr_ptr, start_ptr;
+
+	ctx = v4l2_m2m_get_curr_priv(dev->m2m_dev);
+	if (ctx == NULL) {
+		v4l2_err(&dev->v4l2_dev, "Instance released before the end of transaction\n");
+		return IRQ_HANDLED;
+	}
+
+	if (ctx->aborting) {
+		v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
+			 "task has been aborted\n");
+		return IRQ_HANDLED;
+	}
+
+	if (coda_isbusy(ctx->dev)) {
+		v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
+			 "coda is still busy!!!!\n");
+		return IRQ_NONE;
+	}
+
+	src_buf = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
+	dst_buf = v4l2_m2m_next_dst_buf(ctx->m2m_ctx);
+
+	/* Get results from the coda */
+	coda_read(dev, CODA_RET_ENC_PIC_TYPE);
+	start_ptr = coda_read(dev, CODA_CMD_ENC_PIC_BB_START);
+	wr_ptr = coda_read(dev, CODA_REG_BIT_WR_PTR(ctx->idx));
+	/* Calculate bytesused field */
+	if (dst_buf->v4l2_buf.sequence == 0) {
+		dst_buf->v4l2_planes[0].bytesused = (wr_ptr - start_ptr) +
+						ctx->vpu_header_size[0] +
+						ctx->vpu_header_size[1] +
+						ctx->vpu_header_size[2];
+	} else {
+		dst_buf->v4l2_planes[0].bytesused = (wr_ptr - start_ptr);
+	}
+
+	v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, "frame size = %u\n",
+		 wr_ptr - start_ptr);
+
+	coda_read(dev, CODA_RET_ENC_PIC_SLICE_NUM);
+	coda_read(dev, CODA_RET_ENC_PIC_FLAG);
+
+	if (src_buf->v4l2_buf.flags & V4L2_BUF_FLAG_KEYFRAME) {
+		dst_buf->v4l2_buf.flags |= V4L2_BUF_FLAG_KEYFRAME;
+		dst_buf->v4l2_buf.flags &= ~V4L2_BUF_FLAG_PFRAME;
+	} else {
+		dst_buf->v4l2_buf.flags |= V4L2_BUF_FLAG_PFRAME;
+		dst_buf->v4l2_buf.flags &= ~V4L2_BUF_FLAG_KEYFRAME;
+	}
+
+	/* Free previous reference picture if available */
+	if (ctx->reference) {
+		v4l2_m2m_buf_done(ctx->reference, VB2_BUF_STATE_DONE);
+		ctx->reference = NULL;
+	}
+
+	/*
+	 * For the last frame of the gop we don't need to save
+	 * a reference picture.
+	 */
+	v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
+	tmp_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
+	if (ctx->gopcounter == 0)
+		v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE);
+	else
+		ctx->reference = tmp_buf;
+
+	v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_DONE);
+
+	ctx->gopcounter--;
+	if (ctx->gopcounter < 0)
+		ctx->gopcounter = ctx->params.gop_size - 1;
+
+	v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
+		"job finished: encoding frame (%d) (%s)\n",
+		dst_buf->v4l2_buf.sequence,
+		(dst_buf->v4l2_buf.flags & V4L2_BUF_FLAG_KEYFRAME) ?
+		"KEYFRAME" : "PFRAME");
+
+	v4l2_m2m_job_finish(ctx->dev->m2m_dev, ctx->m2m_ctx);
+
+	return IRQ_HANDLED;
+}
+
+static void coda_device_run(void *m2m_priv)
+{
+	struct coda_ctx *ctx = m2m_priv;
+	struct coda_q_data *q_data_src, *q_data_dst;
+	struct vb2_buffer *src_buf, *dst_buf;
+	struct coda_dev *dev = ctx->dev;
+	int force_ipicture;
+	int quant_param = 0;
+	u32 picture_y, picture_cb, picture_cr;
+	u32 pic_stream_buffer_addr, pic_stream_buffer_size;
+	u32 dst_fourcc;
+
+	src_buf = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
+	dst_buf = v4l2_m2m_next_dst_buf(ctx->m2m_ctx);
+	q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
+	q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
+	dst_fourcc = q_data_dst->fmt->fourcc;
+
+	src_buf->v4l2_buf.sequence = ctx->isequence;
+	dst_buf->v4l2_buf.sequence = ctx->isequence;
+	ctx->isequence++;
+
+	/*
+	 * Workaround coda firmware BUG that only marks the first
+	 * frame as IDR. This is a problem for some decoders that can't
+	 * recover when a frame is lost.
+	 */
+	if (src_buf->v4l2_buf.sequence % ctx->params.gop_size) {
+		src_buf->v4l2_buf.flags |= V4L2_BUF_FLAG_PFRAME;
+		src_buf->v4l2_buf.flags &= ~V4L2_BUF_FLAG_KEYFRAME;
+	} else {
+		src_buf->v4l2_buf.flags |= V4L2_BUF_FLAG_KEYFRAME;
+		src_buf->v4l2_buf.flags &= ~V4L2_BUF_FLAG_PFRAME;
+	}
+
+	/*
+	 * Copy headers at the beginning of the first frame for H.264 only.
+	 * In MPEG4 they are already copied by the coda.
+	 */
+	if (src_buf->v4l2_buf.sequence == 0) {
+		pic_stream_buffer_addr =
+			vb2_dma_contig_plane_dma_addr(dst_buf, 0) +
+			ctx->vpu_header_size[0] +
+			ctx->vpu_header_size[1] +
+			ctx->vpu_header_size[2];
+		pic_stream_buffer_size = CODA_MAX_FRAME_SIZE -
+			ctx->vpu_header_size[0] -
+			ctx->vpu_header_size[1] -
+			ctx->vpu_header_size[2];
+		memcpy(vb2_plane_vaddr(dst_buf, 0),
+		       &ctx->vpu_header[0][0], ctx->vpu_header_size[0]);
+		memcpy(vb2_plane_vaddr(dst_buf, 0) + ctx->vpu_header_size[0],
+		       &ctx->vpu_header[1][0], ctx->vpu_header_size[1]);
+		memcpy(vb2_plane_vaddr(dst_buf, 0) + ctx->vpu_header_size[0] +
+			ctx->vpu_header_size[1], &ctx->vpu_header[2][0],
+			ctx->vpu_header_size[2]);
+	} else {
+		pic_stream_buffer_addr =
+			vb2_dma_contig_plane_dma_addr(dst_buf, 0);
+		pic_stream_buffer_size = CODA_MAX_FRAME_SIZE;
+	}
+
+	if (src_buf->v4l2_buf.flags & V4L2_BUF_FLAG_KEYFRAME) {
+		force_ipicture = 1;
+		switch (dst_fourcc) {
+		case V4L2_PIX_FMT_H264:
+			quant_param = ctx->params.h264_intra_qp;
+			break;
+		case V4L2_PIX_FMT_MPEG4:
+			quant_param = ctx->params.mpeg4_intra_qp;
+			break;
+		default:
+			v4l2_warn(&ctx->dev->v4l2_dev,
+				"cannot set intra qp, fmt not supported\n");
+			break;
+		}
+	} else {
+		force_ipicture = 0;
+		switch (dst_fourcc) {
+		case V4L2_PIX_FMT_H264:
+			quant_param = ctx->params.h264_inter_qp;
+			break;
+		case V4L2_PIX_FMT_MPEG4:
+			quant_param = ctx->params.mpeg4_inter_qp;
+			break;
+		default:
+			v4l2_warn(&ctx->dev->v4l2_dev,
+				"cannot set inter qp, fmt not supported\n");
+			break;
+		}
+	}
+
+	/* submit */
+	coda_write(dev, 0, CODA_CMD_ENC_PIC_ROT_MODE);
+	coda_write(dev, quant_param, CODA_CMD_ENC_PIC_QS);
+
+
+	picture_y = vb2_dma_contig_plane_dma_addr(src_buf, 0);
+	picture_cb = picture_y + q_data_src->width * q_data_src->height;
+	picture_cr = picture_cb + q_data_src->width / 2 *
+			q_data_src->height / 2;
+
+	coda_write(dev, picture_y, CODA_CMD_ENC_PIC_SRC_ADDR_Y);
+	coda_write(dev, picture_cb, CODA_CMD_ENC_PIC_SRC_ADDR_CB);
+	coda_write(dev, picture_cr, CODA_CMD_ENC_PIC_SRC_ADDR_CR);
+	coda_write(dev, force_ipicture << 1 & 0x2,
+		   CODA_CMD_ENC_PIC_OPTION);
+
+	coda_write(dev, pic_stream_buffer_addr, CODA_CMD_ENC_PIC_BB_START);
+	coda_write(dev, pic_stream_buffer_size / 1024,
+		   CODA_CMD_ENC_PIC_BB_SIZE);
+	coda_command_async(ctx, CODA_COMMAND_PIC_RUN);
+}
+
+static int coda_job_ready(void *m2m_priv)
+{
+	struct coda_ctx *ctx = m2m_priv;
+
+	/*
+	 * For both 'P' and 'key' frame cases 1 picture
+	 * and 1 frame are needed.
+	 */
+	if (!(v4l2_m2m_num_src_bufs_ready(ctx->m2m_ctx) >= 1) ||
+		!(v4l2_m2m_num_dst_bufs_ready(ctx->m2m_ctx) >= 1)) {
+		v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
+			 "not ready: not enough video buffers.\n");
+		return 0;
+	}
+
+	/* For P frames a reference picture is needed too */
+	if ((ctx->gopcounter != (ctx->params.gop_size - 1)) &&
+	   (!ctx->reference)) {
+		v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
+			 "not ready: reference picture not available.\n");
+		return 0;
+	}
+
+	if (coda_isbusy(ctx->dev)) {
+		v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
+			 "not ready: coda is still busy.\n");
+		return 0;
+	}
+
+	v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
+			"job ready\n");
+	return 1;
+}
+
+static void coda_job_abort(void *priv)
+{
+	struct coda_ctx *ctx = priv;
+	struct coda_dev *dev = ctx->dev;
+
+	ctx->aborting = 1;
+
+	v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
+		 "Aborting task\n");
+
+	v4l2_m2m_job_finish(dev->m2m_dev, ctx->m2m_ctx);
+}
+
+static void coda_lock(void *m2m_priv)
+{
+	struct coda_ctx *ctx = m2m_priv;
+	struct coda_dev *pcdev = ctx->dev;
+	mutex_lock(&pcdev->dev_mutex);
+}
+
+static void coda_unlock(void *m2m_priv)
+{
+	struct coda_ctx *ctx = m2m_priv;
+	struct coda_dev *pcdev = ctx->dev;
+	mutex_unlock(&pcdev->dev_mutex);
+}
+
+static struct v4l2_m2m_ops coda_m2m_ops = {
+	.device_run	= coda_device_run,
+	.job_ready	= coda_job_ready,
+	.job_abort	= coda_job_abort,
+	.lock		= coda_lock,
+	.unlock		= coda_unlock,
+};
+
+static void set_default_params(struct coda_ctx *ctx)
+{
+	struct coda_dev *dev = ctx->dev;
+
+	ctx->params.codec_mode = CODA_MODE_INVALID;
+	ctx->colorspace = V4L2_COLORSPACE_REC709;
+	ctx->params.framerate = 30;
+	ctx->reference = NULL;
+	ctx->aborting = 0;
+
+	/* Default formats for output and input queues */
+	ctx->q_data[V4L2_M2M_SRC].fmt = &dev->devtype->formats[0];
+	ctx->q_data[V4L2_M2M_DST].fmt = &dev->devtype->formats[1];
+}
+
+/*
+ * Queue operations
+ */
+static int coda_queue_setup(struct vb2_queue *vq,
+				const struct v4l2_format *fmt,
+				unsigned int *nbuffers, unsigned int *nplanes,
+				unsigned int sizes[], void *alloc_ctxs[])
+{
+	struct coda_ctx *ctx = vb2_get_drv_priv(vq);
+	unsigned int size;
+
+	if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
+		*nbuffers = CODA_OUTPUT_BUFS;
+		if (fmt)
+			size = fmt->fmt.pix.width *
+				fmt->fmt.pix.height * 3 / 2;
+		else
+			size = CODA_MAX_WIDTH *
+				CODA_MAX_HEIGHT * 3 / 2;
+	} else {
+		*nbuffers = CODA_CAPTURE_BUFS;
+		size = CODA_MAX_FRAME_SIZE;
+	}
+
+	*nplanes = 1;
+	sizes[0] = size;
+
+	alloc_ctxs[0] = ctx->dev->alloc_ctx;
+
+	v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
+		 "get %d buffer(s) of size %d each.\n", *nbuffers, size);
+
+	return 0;
+}
+
+static int coda_buf_prepare(struct vb2_buffer *vb)
+{
+	struct coda_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
+	struct coda_q_data *q_data;
+
+	q_data = get_q_data(ctx, vb->vb2_queue->type);
+
+	if (vb2_plane_size(vb, 0) < q_data->sizeimage) {
+		v4l2_warn(&ctx->dev->v4l2_dev,
+			  "%s data will not fit into plane (%lu < %lu)\n",
+			  __func__, vb2_plane_size(vb, 0),
+			  (long)q_data->sizeimage);
+		return -EINVAL;
+	}
+
+	vb2_set_plane_payload(vb, 0, q_data->sizeimage);
+
+	return 0;
+}
+
+static void coda_buf_queue(struct vb2_buffer *vb)
+{
+	struct coda_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
+	v4l2_m2m_buf_queue(ctx->m2m_ctx, vb);
+}
+
+static void coda_wait_prepare(struct vb2_queue *q)
+{
+	struct coda_ctx *ctx = vb2_get_drv_priv(q);
+	coda_unlock(ctx);
+}
+
+static void coda_wait_finish(struct vb2_queue *q)
+{
+	struct coda_ctx *ctx = vb2_get_drv_priv(q);
+	coda_lock(ctx);
+}
+
+static int coda_start_streaming(struct vb2_queue *q, unsigned int count)
+{
+	struct coda_ctx *ctx = vb2_get_drv_priv(q);
+	struct coda_dev *dev = ctx->dev;
+	u32 bitstream_buf, bitstream_size;
+
+	if (count < 1)
+		return -EINVAL;
+
+	if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
+		ctx->rawstreamon = 1;
+	else
+		ctx->compstreamon = 1;
+
+	if (ctx->rawstreamon & ctx->compstreamon) {
+		struct coda_q_data *q_data_src, *q_data_dst;
+		u32 dst_fourcc;
+		struct vb2_buffer *buf;
+		struct vb2_queue *src_vq;
+		u32 value;
+		int i = 0;
+
+		ctx->gopcounter = ctx->params.gop_size - 1;
+
+		q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
+		buf = v4l2_m2m_next_dst_buf(ctx->m2m_ctx);
+		bitstream_buf = vb2_dma_contig_plane_dma_addr(buf, 0);
+		q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
+		bitstream_size = q_data_dst->sizeimage;
+		dst_fourcc = q_data_dst->fmt->fourcc;
+
+		/* Find out whether coda must encode or decode */
+		if (q_data_src->fmt->type == CODA_FMT_RAW &&
+		    q_data_dst->fmt->type == CODA_FMT_ENC) {
+			ctx->inst_type = CODA_INST_ENCODER;
+		} else if (q_data_src->fmt->type == CODA_FMT_ENC &&
+			   q_data_dst->fmt->type == CODA_FMT_RAW) {
+			ctx->inst_type = CODA_INST_DECODER;
+			v4l2_err(&ctx->dev->v4l2_dev, "decoding not supported.\n");
+			return -EINVAL;
+		} else {
+			v4l2_err(&ctx->dev->v4l2_dev, "couldn't tell instance type.\n");
+			return -EINVAL;
+		}
+
+		if (!coda_is_initialized(dev)) {
+			v4l2_err(&ctx->dev->v4l2_dev, "coda is not initialized.\n");
+			return -EFAULT;
+		}
+		coda_write(dev, ctx->parabuf.paddr, CODA_REG_BIT_PARA_BUF_ADDR);
+		coda_write(dev, bitstream_buf, CODA_REG_BIT_RD_PTR(ctx->idx));
+		coda_write(dev, bitstream_buf, CODA_REG_BIT_WR_PTR(ctx->idx));
+		switch (dev->devtype->product) {
+		case CODA_DX6:
+			coda_write(dev, CODADX6_STREAM_BUF_DYNALLOC_EN |
+				CODADX6_STREAM_BUF_PIC_RESET, CODA_REG_BIT_STREAM_CTRL);
+			break;
+		default:
+			coda_write(dev, CODA7_STREAM_BUF_DYNALLOC_EN |
+				CODA7_STREAM_BUF_PIC_RESET, CODA_REG_BIT_STREAM_CTRL);
+		}
+
+		/* Configure the coda */
+		coda_write(dev, 0xffff4c00, CODA_REG_BIT_SEARCH_RAM_BASE_ADDR);
+
+		/* Could set rotation here if needed */
+		switch (dev->devtype->product) {
+		case CODA_DX6:
+			value = (q_data_src->width & CODADX6_PICWIDTH_MASK) << CODADX6_PICWIDTH_OFFSET;
+			break;
+		default:
+			value = (q_data_src->width & CODA7_PICWIDTH_MASK) << CODA7_PICWIDTH_OFFSET;
+		}
+		value |= (q_data_src->height & CODA_PICHEIGHT_MASK) << CODA_PICHEIGHT_OFFSET;
+		coda_write(dev, value, CODA_CMD_ENC_SEQ_SRC_SIZE);
+		coda_write(dev, ctx->params.framerate,
+			   CODA_CMD_ENC_SEQ_SRC_F_RATE);
+
+		switch (dst_fourcc) {
+		case V4L2_PIX_FMT_MPEG4:
+			ctx->params.codec_mode = (dev->devtype->product == CODA_DX6) ? CODADX6_MODE_ENCODE_MP4 : CODA7_MODE_ENCODE_MP4;
+			coda_write(dev, CODA_STD_MPEG4, CODA_CMD_ENC_SEQ_COD_STD);
+			value  = (0 & CODA_MP4PARAM_VERID_MASK) << CODA_MP4PARAM_VERID_OFFSET;
+			value |= (0 & CODA_MP4PARAM_INTRADCVLCTHR_MASK) << CODA_MP4PARAM_INTRADCVLCTHR_OFFSET;
+			value |= (0 & CODA_MP4PARAM_REVERSIBLEVLCENABLE_MASK) << CODA_MP4PARAM_REVERSIBLEVLCENABLE_OFFSET;
+			value |=  0 & CODA_MP4PARAM_DATAPARTITIONENABLE_MASK;
+			coda_write(dev, value, CODA_CMD_ENC_SEQ_MP4_PARA);
+			break;
+		case V4L2_PIX_FMT_H264:
+			ctx->params.codec_mode = (dev->devtype->product == CODA_DX6) ? CODADX6_MODE_ENCODE_H264 : CODA7_MODE_ENCODE_H264;
+			coda_write(dev, CODA_STD_H264, CODA_CMD_ENC_SEQ_COD_STD);
+			value  = (0 & CODA_264PARAM_DEBLKFILTEROFFSETBETA_MASK) << CODA_264PARAM_DEBLKFILTEROFFSETBETA_OFFSET;
+			value |= (0 & CODA_264PARAM_DEBLKFILTEROFFSETALPHA_MASK) << CODA_264PARAM_DEBLKFILTEROFFSETALPHA_OFFSET;
+			value |= (0 & CODA_264PARAM_DISABLEDEBLK_MASK) << CODA_264PARAM_DISABLEDEBLK_OFFSET;
+			value |= (0 & CODA_264PARAM_CONSTRAINEDINTRAPREDFLAG_MASK) << CODA_264PARAM_CONSTRAINEDINTRAPREDFLAG_OFFSET;
+			value |=  0 & CODA_264PARAM_CHROMAQPOFFSET_MASK;
+			coda_write(dev, value, CODA_CMD_ENC_SEQ_264_PARA);
+			break;
+		default:
+			v4l2_err(&ctx->dev->v4l2_dev,
+				 "dst format (0x%08x) invalid.\n", dst_fourcc);
+			return -EINVAL;
+		}
+
+		value  = (ctx->params.slice_max_mb & CODA_SLICING_SIZE_MASK) << CODA_SLICING_SIZE_OFFSET;
+		value |= (1 & CODA_SLICING_UNIT_MASK) << CODA_SLICING_UNIT_OFFSET;
+		if (ctx->params.slice_mode == V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_MB)
+			value |=  1 & CODA_SLICING_MODE_MASK;
+		coda_write(dev, value, CODA_CMD_ENC_SEQ_SLICE_MODE);
+		value  =  ctx->params.gop_size & CODA_GOP_SIZE_MASK;
+		coda_write(dev, value, CODA_CMD_ENC_SEQ_GOP_SIZE);
+
+		if (ctx->params.bitrate) {
+			/* Rate control enabled */
+			value  = (0 & CODA_RATECONTROL_AUTOSKIP_MASK) << CODA_RATECONTROL_AUTOSKIP_OFFSET;
+			value |= (0 & CODA_RATECONTROL_INITIALDELAY_MASK) << CODA_RATECONTROL_INITIALDELAY_OFFSET;
+			value |= (ctx->params.bitrate & CODA_RATECONTROL_BITRATE_MASK) << CODA_RATECONTROL_BITRATE_OFFSET;
+			value |=  1 & CODA_RATECONTROL_ENABLE_MASK;
+		} else {
+			value = 0;
+		}
+		coda_write(dev, value, CODA_CMD_ENC_SEQ_RC_PARA);
+
+		coda_write(dev, 0, CODA_CMD_ENC_SEQ_RC_BUF_SIZE);
+		coda_write(dev, 0, CODA_CMD_ENC_SEQ_INTRA_REFRESH);
+
+		coda_write(dev, bitstream_buf, CODA_CMD_ENC_SEQ_BB_START);
+		coda_write(dev, bitstream_size / 1024, CODA_CMD_ENC_SEQ_BB_SIZE);
+
+		/* set default gamma */
+		value = (CODA_DEFAULT_GAMMA & CODA_GAMMA_MASK) << CODA_GAMMA_OFFSET;
+		coda_write(dev, value, CODA_CMD_ENC_SEQ_RC_GAMMA);
+
+		value  = (CODA_DEFAULT_GAMMA > 0) << CODA_OPTION_GAMMA_OFFSET;
+		value |= (0 & CODA_OPTION_SLICEREPORT_MASK) << CODA_OPTION_SLICEREPORT_OFFSET;
+		coda_write(dev, value, CODA_CMD_ENC_SEQ_OPTION);
+
+		if (dst_fourcc == V4L2_PIX_FMT_H264) {
+			value  = (FMO_SLICE_SAVE_BUF_SIZE << 7);
+			value |= (0 & CODA_FMOPARAM_TYPE_MASK) << CODA_FMOPARAM_TYPE_OFFSET;
+			value |=  0 & CODA_FMOPARAM_SLICENUM_MASK;
+			coda_write(dev, value, CODA_CMD_ENC_SEQ_FMO);
+		}
+
+		if (coda_command_sync(ctx, CODA_COMMAND_SEQ_INIT)) {
+			v4l2_err(&ctx->dev->v4l2_dev, "CODA_COMMAND_SEQ_INIT timeout\n");
+			return -ETIMEDOUT;
+		}
+
+		if (coda_read(dev, CODA_RET_ENC_SEQ_SUCCESS) == 0)
+			return -EFAULT;
+
+		/*
+		 * Walk the src buffer list and let the codec know the
+		 * addresses of the pictures.
+		 */
+		src_vq = v4l2_m2m_get_vq(ctx->m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
+		for (i = 0; i < src_vq->num_buffers; i++) {
+			u32 *p;
+
+			buf = src_vq->bufs[i];
+			p = ctx->parabuf.vaddr;
+
+			p[i * 3] = vb2_dma_contig_plane_dma_addr(buf, 0);
+			p[i * 3 + 1] = p[i * 3] + q_data_src->width *
+					q_data_src->height;
+			p[i * 3 + 2] = p[i * 3 + 1] + q_data_src->width / 2 *
+					q_data_src->height / 2;
+		}
+
+		coda_write(dev, src_vq->num_buffers, CODA_CMD_SET_FRAME_BUF_NUM);
+		coda_write(dev, q_data_src->width, CODA_CMD_SET_FRAME_BUF_STRIDE);
+		if (coda_command_sync(ctx, CODA_COMMAND_SET_FRAME_BUF)) {
+			v4l2_err(&ctx->dev->v4l2_dev, "CODA_COMMAND_SET_FRAME_BUF timeout\n");
+			return -ETIMEDOUT;
+		}
+
+		/* Save stream headers */
+		buf = v4l2_m2m_next_dst_buf(ctx->m2m_ctx);
+		switch (dst_fourcc) {
+		case V4L2_PIX_FMT_H264:
+			/*
+			 * Get SPS in the first frame and copy it to an
+			 * intermediate buffer.
+			 */
+			coda_write(dev, vb2_dma_contig_plane_dma_addr(buf, 0), CODA_CMD_ENC_HEADER_BB_START);
+			coda_write(dev, bitstream_size, CODA_CMD_ENC_HEADER_BB_SIZE);
+			coda_write(dev, CODA_HEADER_H264_SPS, CODA_CMD_ENC_HEADER_CODE);
+			if (coda_command_sync(ctx, CODA_COMMAND_ENCODE_HEADER)) {
+				v4l2_err(&ctx->dev->v4l2_dev, "CODA_COMMAND_ENCODE_HEADER timeout\n");
+				return -ETIMEDOUT;
+			}
+			ctx->vpu_header_size[0] = coda_read(dev, CODA_REG_BIT_WR_PTR(ctx->idx)) -
+					coda_read(dev, CODA_CMD_ENC_HEADER_BB_START);
+			memcpy(&ctx->vpu_header[0][0], vb2_plane_vaddr(buf, 0),
+			       ctx->vpu_header_size[0]);
+
+			/*
+			 * Get PPS in the first frame and copy it to an
+			 * intermediate buffer.
+			 */
+			coda_write(dev, vb2_dma_contig_plane_dma_addr(buf, 0), CODA_CMD_ENC_HEADER_BB_START);
+			coda_write(dev, bitstream_size, CODA_CMD_ENC_HEADER_BB_SIZE);
+			coda_write(dev, CODA_HEADER_H264_PPS, CODA_CMD_ENC_HEADER_CODE);
+			if (coda_command_sync(ctx, CODA_COMMAND_ENCODE_HEADER)) {
+				v4l2_err(&ctx->dev->v4l2_dev, "CODA_COMMAND_ENCODE_HEADER timeout\n");
+				return -ETIMEDOUT;
+			}
+			ctx->vpu_header_size[1] = coda_read(dev, CODA_REG_BIT_WR_PTR(ctx->idx)) -
+					coda_read(dev, CODA_CMD_ENC_HEADER_BB_START);
+			memcpy(&ctx->vpu_header[1][0], vb2_plane_vaddr(buf, 0),
+			       ctx->vpu_header_size[1]);
+			ctx->vpu_header_size[2] = 0;
+			break;
+		case V4L2_PIX_FMT_MPEG4:
+			/*
+			 * Get VOS in the first frame and copy it to an
+			 * intermediate buffer
+			 */
+			coda_write(dev, vb2_dma_contig_plane_dma_addr(buf, 0), CODA_CMD_ENC_HEADER_BB_START);
+			coda_write(dev, bitstream_size, CODA_CMD_ENC_HEADER_BB_SIZE);
+			coda_write(dev, CODA_HEADER_MP4V_VOS, CODA_CMD_ENC_HEADER_CODE);
+			if (coda_command_sync(ctx, CODA_COMMAND_ENCODE_HEADER)) {
+				v4l2_err(&ctx->dev->v4l2_dev, "CODA_COMMAND_ENCODE_HEADER timeout\n");
+				return -ETIMEDOUT;
+			}
+			ctx->vpu_header_size[0] = coda_read(dev, CODA_REG_BIT_WR_PTR(ctx->idx)) -
+					coda_read(dev, CODA_CMD_ENC_HEADER_BB_START);
+			memcpy(&ctx->vpu_header[0][0], vb2_plane_vaddr(buf, 0),
+			       ctx->vpu_header_size[0]);
+
+			coda_write(dev, vb2_dma_contig_plane_dma_addr(buf, 0), CODA_CMD_ENC_HEADER_BB_START);
+			coda_write(dev, bitstream_size, CODA_CMD_ENC_HEADER_BB_SIZE);
+			coda_write(dev, CODA_HEADER_MP4V_VIS, CODA_CMD_ENC_HEADER_CODE);
+			if (coda_command_sync(ctx, CODA_COMMAND_ENCODE_HEADER)) {
+				v4l2_err(&ctx->dev->v4l2_dev, "CODA_COMMAND_ENCODE_HEADER failed\n");
+				return -ETIMEDOUT;
+			}
+			ctx->vpu_header_size[1] = coda_read(dev, CODA_REG_BIT_WR_PTR(ctx->idx)) -
+					coda_read(dev, CODA_CMD_ENC_HEADER_BB_START);
+			memcpy(&ctx->vpu_header[1][0], vb2_plane_vaddr(buf, 0),
+			       ctx->vpu_header_size[1]);
+
+			coda_write(dev, vb2_dma_contig_plane_dma_addr(buf, 0), CODA_CMD_ENC_HEADER_BB_START);
+			coda_write(dev, bitstream_size, CODA_CMD_ENC_HEADER_BB_SIZE);
+			coda_write(dev, CODA_HEADER_MP4V_VOL, CODA_CMD_ENC_HEADER_CODE);
+			if (coda_command_sync(ctx, CODA_COMMAND_ENCODE_HEADER)) {
+				v4l2_err(&ctx->dev->v4l2_dev, "CODA_COMMAND_ENCODE_HEADER failed\n");
+				return -ETIMEDOUT;
+			}
+			ctx->vpu_header_size[2] = coda_read(dev, CODA_REG_BIT_WR_PTR(ctx->idx)) -
+					coda_read(dev, CODA_CMD_ENC_HEADER_BB_START);
+			memcpy(&ctx->vpu_header[2][0], vb2_plane_vaddr(buf, 0),
+			       ctx->vpu_header_size[2]);
+			break;
+		default:
+			/* No more formats need to save headers at the moment */
+			break;
+		}
+	}
+	return 0;
+}
+
+static int coda_stop_streaming(struct vb2_queue *q)
+{
+	struct coda_ctx *ctx = vb2_get_drv_priv(q);
+
+	if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
+		v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
+			 "%s: output\n", __func__);
+		ctx->rawstreamon = 0;
+	} else {
+		v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
+			 "%s: capture\n", __func__);
+		ctx->compstreamon = 0;
+	}
+
+	if (!ctx->rawstreamon && !ctx->compstreamon) {
+		v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
+			 "%s: sent command 'SEQ_END' to coda\n", __func__);
+		if (coda_command_sync(ctx, CODA_COMMAND_SEQ_END)) {
+			v4l2_err(&ctx->dev->v4l2_dev,
+				 "CODA_COMMAND_SEQ_END failed\n");
+			return -ETIMEDOUT;
+		}
+	}
+
+	return 0;
+}
+
+static struct vb2_ops coda_qops = {
+	.queue_setup		= coda_queue_setup,
+	.buf_prepare		= coda_buf_prepare,
+	.buf_queue		= coda_buf_queue,
+	.wait_prepare		= coda_wait_prepare,
+	.wait_finish		= coda_wait_finish,
+	.start_streaming	= coda_start_streaming,
+	.stop_streaming		= coda_stop_streaming,
+};
+
+static int coda_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+	struct coda_ctx *ctx =
+			container_of(ctrl->handler, struct coda_ctx, ctrls);
+
+	v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
+		 "s_ctrl: id = %d, val = %d\n", ctrl->id, ctrl->val);
+
+	switch (ctrl->id) {
+	case V4L2_CID_MPEG_VIDEO_BITRATE:
+		ctx->params.bitrate = ctrl->val / 1000;
+		break;
+	case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
+		ctx->params.gop_size = ctrl->val;
+		break;
+	case V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP:
+		ctx->params.h264_intra_qp = ctrl->val;
+		break;
+	case V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP:
+		ctx->params.h264_inter_qp = ctrl->val;
+		break;
+	case V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP:
+		ctx->params.mpeg4_intra_qp = ctrl->val;
+		break;
+	case V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP:
+		ctx->params.mpeg4_inter_qp = ctrl->val;
+		break;
+	case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE:
+		ctx->params.slice_mode = ctrl->val;
+		break;
+	case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB:
+		ctx->params.slice_max_mb = ctrl->val;
+		break;
+	case V4L2_CID_MPEG_VIDEO_HEADER_MODE:
+		break;
+	default:
+		v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
+			"Invalid control, id=%d, val=%d\n",
+			ctrl->id, ctrl->val);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static struct v4l2_ctrl_ops coda_ctrl_ops = {
+	.s_ctrl = coda_s_ctrl,
+};
+
+static int coda_ctrls_setup(struct coda_ctx *ctx)
+{
+	v4l2_ctrl_handler_init(&ctx->ctrls, 9);
+
+	v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
+		V4L2_CID_MPEG_VIDEO_BITRATE, 0, 32767000, 1, 0);
+	v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
+		V4L2_CID_MPEG_VIDEO_GOP_SIZE, 1, 60, 1, 16);
+	v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
+		V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP, 1, 51, 1, 25);
+	v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
+		V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP, 1, 51, 1, 25);
+	v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
+		V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP, 1, 31, 1, 2);
+	v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
+		V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP, 1, 31, 1, 2);
+	v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
+		V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE,
+		V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_MB, 0,
+		V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_MB);
+	v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
+		V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB, 1, 0x3fffffff, 1, 1);
+	v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
+		V4L2_CID_MPEG_VIDEO_HEADER_MODE,
+		V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME,
+		(1 << V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE),
+		V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME);
+
+	return v4l2_ctrl_handler_setup(&ctx->ctrls);
+}
+
+static int coda_queue_init(void *priv, struct vb2_queue *src_vq,
+		      struct vb2_queue *dst_vq)
+{
+	struct coda_ctx *ctx = priv;
+	int ret;
+
+	memset(src_vq, 0, sizeof(*src_vq));
+	src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
+	src_vq->io_modes = VB2_MMAP;
+	src_vq->drv_priv = ctx;
+	src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
+	src_vq->ops = &coda_qops;
+	src_vq->mem_ops = &vb2_dma_contig_memops;
+
+	ret = vb2_queue_init(src_vq);
+	if (ret)
+		return ret;
+
+	memset(dst_vq, 0, sizeof(*dst_vq));
+	dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+	dst_vq->io_modes = VB2_MMAP;
+	dst_vq->drv_priv = ctx;
+	dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
+	dst_vq->ops = &coda_qops;
+	dst_vq->mem_ops = &vb2_dma_contig_memops;
+
+	return vb2_queue_init(dst_vq);
+}
+
+static int coda_open(struct file *file)
+{
+	struct coda_dev *dev = video_drvdata(file);
+	struct coda_ctx *ctx = NULL;
+	int ret = 0;
+
+	if (dev->instances >= CODA_MAX_INSTANCES)
+		return -EBUSY;
+
+	ctx = kzalloc(sizeof *ctx, GFP_KERNEL);
+	if (!ctx)
+		return -ENOMEM;
+
+	v4l2_fh_init(&ctx->fh, video_devdata(file));
+	file->private_data = &ctx->fh;
+	v4l2_fh_add(&ctx->fh);
+	ctx->dev = dev;
+
+	set_default_params(ctx);
+	ctx->m2m_ctx = v4l2_m2m_ctx_init(dev->m2m_dev, ctx,
+					 &coda_queue_init);
+	if (IS_ERR(ctx->m2m_ctx)) {
+		int ret = PTR_ERR(ctx->m2m_ctx);
+
+		v4l2_err(&dev->v4l2_dev, "%s return error (%d)\n",
+			 __func__, ret);
+		goto err;
+	}
+	ret = coda_ctrls_setup(ctx);
+	if (ret) {
+		v4l2_err(&dev->v4l2_dev, "failed to setup coda controls\n");
+
+		goto err;
+	}
+
+	ctx->fh.ctrl_handler = &ctx->ctrls;
+
+	ctx->parabuf.vaddr = dma_alloc_coherent(&dev->plat_dev->dev,
+			CODA_PARA_BUF_SIZE, &ctx->parabuf.paddr, GFP_KERNEL);
+	if (!ctx->parabuf.vaddr) {
+		v4l2_err(&dev->v4l2_dev, "failed to allocate parabuf");
+		ret = -ENOMEM;
+		goto err;
+	}
+
+	coda_lock(ctx);
+	ctx->idx = dev->instances++;
+	coda_unlock(ctx);
+
+	clk_prepare_enable(dev->clk_per);
+	clk_prepare_enable(dev->clk_ahb);
+
+	v4l2_dbg(1, coda_debug, &dev->v4l2_dev, "Created instance %d (%p)\n",
+		 ctx->idx, ctx);
+
+	return 0;
+
+err:
+	v4l2_fh_del(&ctx->fh);
+	v4l2_fh_exit(&ctx->fh);
+	kfree(ctx);
+	return ret;
+}
+
+static int coda_release(struct file *file)
+{
+	struct coda_dev *dev = video_drvdata(file);
+	struct coda_ctx *ctx = fh_to_ctx(file->private_data);
+
+	v4l2_dbg(1, coda_debug, &dev->v4l2_dev, "Releasing instance %p\n",
+		 ctx);
+
+	coda_lock(ctx);
+	dev->instances--;
+	coda_unlock(ctx);
+
+	dma_free_coherent(&dev->plat_dev->dev, CODA_PARA_BUF_SIZE,
+		ctx->parabuf.vaddr, ctx->parabuf.paddr);
+	v4l2_m2m_ctx_release(ctx->m2m_ctx);
+	v4l2_ctrl_handler_free(&ctx->ctrls);
+	clk_disable_unprepare(dev->clk_per);
+	clk_disable_unprepare(dev->clk_ahb);
+	v4l2_fh_del(&ctx->fh);
+	v4l2_fh_exit(&ctx->fh);
+	kfree(ctx);
+
+	return 0;
+}
+
+static unsigned int coda_poll(struct file *file,
+				 struct poll_table_struct *wait)
+{
+	struct coda_ctx *ctx = fh_to_ctx(file->private_data);
+	int ret;
+
+	coda_lock(ctx);
+	ret = v4l2_m2m_poll(file, ctx->m2m_ctx, wait);
+	coda_unlock(ctx);
+	return ret;
+}
+
+static int coda_mmap(struct file *file, struct vm_area_struct *vma)
+{
+	struct coda_ctx *ctx = fh_to_ctx(file->private_data);
+
+	return v4l2_m2m_mmap(file, ctx->m2m_ctx, vma);
+}
+
+static const struct v4l2_file_operations coda_fops = {
+	.owner		= THIS_MODULE,
+	.open		= coda_open,
+	.release	= coda_release,
+	.poll		= coda_poll,
+	.unlocked_ioctl	= video_ioctl2,
+	.mmap		= coda_mmap,
+};
+
+static irqreturn_t coda_irq_handler(int irq, void *data)
+{
+	struct coda_dev *dev = data;
+
+	/* read status register to attend the IRQ */
+	coda_read(dev, CODA_REG_BIT_INT_STATUS);
+	coda_write(dev, CODA_REG_BIT_INT_CLEAR_SET,
+		      CODA_REG_BIT_INT_CLEAR);
+
+	return coda_isr(dev);
+}
+
+static u32 coda_supported_firmwares[] = {
+	CODA_FIRMWARE_VERNUM(CODA_DX6, 2, 2, 5),
+};
+
+static bool coda_firmware_supported(u32 vernum)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(coda_supported_firmwares); i++)
+		if (vernum == coda_supported_firmwares[i])
+			return true;
+	return false;
+}
+
+static char *coda_product_name(int product)
+{
+	static char buf[9];
+
+	switch (product) {
+	case CODA_DX6:
+		return "CodaDx6";
+	default:
+		snprintf(buf, sizeof(buf), "(0x%04x)", product);
+		return buf;
+	}
+}
+
+static int coda_hw_init(struct coda_dev *dev, const struct firmware *fw)
+{
+	u16 product, major, minor, release;
+	u32 data;
+	u16 *p;
+	int i;
+
+	clk_prepare_enable(dev->clk_per);
+	clk_prepare_enable(dev->clk_ahb);
+
+	/* Copy the whole firmware image to the code buffer */
+	memcpy(dev->codebuf.vaddr, fw->data, fw->size);
+	/*
+	 * Copy the first CODA_ISRAM_SIZE in the internal SRAM.
+	 * This memory seems to be big-endian here, which is weird, since
+	 * the internal ARM processor of the coda is little endian.
+	 * Data in this SRAM survives a reboot.
+	 */
+	p = (u16 *)fw->data;
+	for (i = 0; i < (CODA_ISRAM_SIZE / 2); i++)  {
+		data = CODA_DOWN_ADDRESS_SET(i) |
+			CODA_DOWN_DATA_SET(p[i ^ 1]);
+		coda_write(dev, data, CODA_REG_BIT_CODE_DOWN);
+	}
+	release_firmware(fw);
+
+	/* Tell the BIT where to find everything it needs */
+	coda_write(dev, dev->workbuf.paddr,
+		      CODA_REG_BIT_WORK_BUF_ADDR);
+	coda_write(dev, dev->codebuf.paddr,
+		      CODA_REG_BIT_CODE_BUF_ADDR);
+	coda_write(dev, 0, CODA_REG_BIT_CODE_RUN);
+
+	/* Set default values */
+	switch (dev->devtype->product) {
+	case CODA_DX6:
+		coda_write(dev, CODADX6_STREAM_BUF_PIC_FLUSH, CODA_REG_BIT_STREAM_CTRL);
+		break;
+	default:
+        coda_write(dev, CODA7_STREAM_BUF_PIC_FLUSH, CODA_REG_BIT_STREAM_CTRL);
+	}
+	coda_write(dev, 0, CODA_REG_BIT_FRAME_MEM_CTRL);
+	coda_write(dev, CODA_INT_INTERRUPT_ENABLE,
+		      CODA_REG_BIT_INT_ENABLE);
+
+	/* Reset VPU and start processor */
+	data = coda_read(dev, CODA_REG_BIT_CODE_RESET);
+	data |= CODA_REG_RESET_ENABLE;
+	coda_write(dev, data, CODA_REG_BIT_CODE_RESET);
+	udelay(10);
+	data &= ~CODA_REG_RESET_ENABLE;
+	coda_write(dev, data, CODA_REG_BIT_CODE_RESET);
+	coda_write(dev, CODA_REG_RUN_ENABLE, CODA_REG_BIT_CODE_RUN);
+
+	/* Load firmware */
+	coda_write(dev, 0, CODA_CMD_FIRMWARE_VERNUM);
+	coda_write(dev, CODA_REG_BIT_BUSY_FLAG, CODA_REG_BIT_BUSY);
+	coda_write(dev, 0, CODA_REG_BIT_RUN_INDEX);
+	coda_write(dev, 0, CODA_REG_BIT_RUN_COD_STD);
+	coda_write(dev, CODA_COMMAND_FIRMWARE_GET, CODA_REG_BIT_RUN_COMMAND);
+	if (coda_wait_timeout(dev)) {
+		clk_disable_unprepare(dev->clk_per);
+		clk_disable_unprepare(dev->clk_ahb);
+		v4l2_err(&dev->v4l2_dev, "firmware get command error\n");
+		return -EIO;
+	}
+
+	/* Check we are compatible with the loaded firmware */
+	data = coda_read(dev, CODA_CMD_FIRMWARE_VERNUM);
+	product = CODA_FIRMWARE_PRODUCT(data);
+	major = CODA_FIRMWARE_MAJOR(data);
+	minor = CODA_FIRMWARE_MINOR(data);
+	release = CODA_FIRMWARE_RELEASE(data);
+
+	clk_disable_unprepare(dev->clk_per);
+	clk_disable_unprepare(dev->clk_ahb);
+
+	if (product != dev->devtype->product) {
+		v4l2_err(&dev->v4l2_dev, "Wrong firmware. Hw: %s, Fw: %s,"
+			 " Version: %u.%u.%u\n",
+			 coda_product_name(dev->devtype->product),
+			 coda_product_name(product), major, minor, release);
+		return -EINVAL;
+	}
+
+	v4l2_info(&dev->v4l2_dev, "Initialized %s.\n",
+		  coda_product_name(product));
+
+	if (coda_firmware_supported(data)) {
+		v4l2_info(&dev->v4l2_dev, "Firmware version: %u.%u.%u\n",
+			  major, minor, release);
+	} else {
+		v4l2_warn(&dev->v4l2_dev, "Unsupported firmware version: "
+			  "%u.%u.%u\n", major, minor, release);
+	}
+
+	return 0;
+}
+
+static void coda_fw_callback(const struct firmware *fw, void *context)
+{
+	struct coda_dev *dev = context;
+	struct platform_device *pdev = dev->plat_dev;
+	int ret;
+
+	if (!fw) {
+		v4l2_err(&dev->v4l2_dev, "firmware request failed\n");
+		return;
+	}
+
+	/* allocate auxiliary per-device code buffer for the BIT processor */
+	dev->codebuf_size = fw->size;
+	dev->codebuf.vaddr = dma_alloc_coherent(&pdev->dev, fw->size,
+						    &dev->codebuf.paddr,
+						    GFP_KERNEL);
+	if (!dev->codebuf.vaddr) {
+		dev_err(&pdev->dev, "failed to allocate code buffer\n");
+		return;
+	}
+
+	ret = coda_hw_init(dev, fw);
+	if (ret) {
+		v4l2_err(&dev->v4l2_dev, "HW initialization failed\n");
+		return;
+	}
+
+	dev->vfd.fops	= &coda_fops,
+	dev->vfd.ioctl_ops	= &coda_ioctl_ops;
+	dev->vfd.release	= video_device_release_empty,
+	dev->vfd.lock	= &dev->dev_mutex;
+	dev->vfd.v4l2_dev	= &dev->v4l2_dev;
+	snprintf(dev->vfd.name, sizeof(dev->vfd.name), "%s", CODA_NAME);
+	video_set_drvdata(&dev->vfd, dev);
+
+	dev->alloc_ctx = vb2_dma_contig_init_ctx(&pdev->dev);
+	if (IS_ERR(dev->alloc_ctx)) {
+		v4l2_err(&dev->v4l2_dev, "Failed to alloc vb2 context\n");
+		return;
+	}
+
+	dev->m2m_dev = v4l2_m2m_init(&coda_m2m_ops);
+	if (IS_ERR(dev->m2m_dev)) {
+		v4l2_err(&dev->v4l2_dev, "Failed to init mem2mem device\n");
+		goto rel_ctx;
+	}
+
+	ret = video_register_device(&dev->vfd, VFL_TYPE_GRABBER, 0);
+	if (ret) {
+		v4l2_err(&dev->v4l2_dev, "Failed to register video device\n");
+		goto rel_m2m;
+	}
+	v4l2_info(&dev->v4l2_dev, "codec registered as /dev/video%d\n",
+		  dev->vfd.num);
+
+	return;
+
+rel_m2m:
+	v4l2_m2m_release(dev->m2m_dev);
+rel_ctx:
+	vb2_dma_contig_cleanup_ctx(dev->alloc_ctx);
+
+	return;
+}
+
+static int coda_firmware_request(struct coda_dev *dev)
+{
+	char *fw = dev->devtype->firmware;
+
+	dev_dbg(&dev->plat_dev->dev, "requesting firmware '%s' for %s\n", fw,
+		coda_product_name(dev->devtype->product));
+
+	return request_firmware_nowait(THIS_MODULE, true,
+		fw, &dev->plat_dev->dev, GFP_KERNEL, dev, coda_fw_callback);
+}
+
+enum coda_platform {
+	CODA_IMX27,
+};
+
+static struct coda_devtype coda_devdata[] = {
+	[CODA_IMX27] = {
+		.firmware    = "v4l-codadx6-imx27.bin",
+		.product     = CODA_DX6,
+		.formats     = codadx6_formats,
+		.num_formats = ARRAY_SIZE(codadx6_formats),
+	},
+};
+
+static struct platform_device_id coda_platform_ids[] = {
+	{ .name = "coda-imx27", .driver_data = CODA_IMX27 },
+	{ /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(platform, coda_platform_ids);
+
+#ifdef CONFIG_OF
+static const struct of_device_id coda_dt_ids[] = {
+	{ .compatible = "fsl,imx27-vpu", .data = &coda_platform_ids[CODA_IMX27] },
+	{ /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, coda_dt_ids);
+#endif
+
+static int __devinit coda_probe(struct platform_device *pdev)
+{
+	const struct of_device_id *of_id =
+			of_match_device(of_match_ptr(coda_dt_ids), &pdev->dev);
+	const struct platform_device_id *pdev_id;
+	struct coda_dev *dev;
+	struct resource *res;
+	unsigned int bufsize;
+	int ret;
+
+	dev = devm_kzalloc(&pdev->dev, sizeof *dev, GFP_KERNEL);
+	if (!dev) {
+		dev_err(&pdev->dev, "Not enough memory for %s\n",
+			CODA_NAME);
+		return -ENOMEM;
+	}
+
+	spin_lock_init(&dev->irqlock);
+
+	dev->plat_dev = pdev;
+	dev->clk_per = devm_clk_get(&pdev->dev, "per");
+	if (IS_ERR(dev->clk_per)) {
+		dev_err(&pdev->dev, "Could not get per clock\n");
+		return PTR_ERR(dev->clk_per);
+	}
+
+	dev->clk_ahb = devm_clk_get(&pdev->dev, "ahb");
+	if (IS_ERR(dev->clk_ahb)) {
+		dev_err(&pdev->dev, "Could not get ahb clock\n");
+		return PTR_ERR(dev->clk_ahb);
+	}
+
+	/* Get  memory for physical registers */
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (res == NULL) {
+		dev_err(&pdev->dev, "failed to get memory region resource\n");
+		return -ENOENT;
+	}
+
+	if (devm_request_mem_region(&pdev->dev, res->start,
+			resource_size(res), CODA_NAME) == NULL) {
+		dev_err(&pdev->dev, "failed to request memory region\n");
+		return -ENOENT;
+	}
+	dev->regs_base = devm_ioremap(&pdev->dev, res->start,
+				      resource_size(res));
+	if (!dev->regs_base) {
+		dev_err(&pdev->dev, "failed to ioremap address region\n");
+		return -ENOENT;
+	}
+
+	/* IRQ */
+	dev->irq = platform_get_irq(pdev, 0);
+	if (dev->irq < 0) {
+		dev_err(&pdev->dev, "failed to get irq resource\n");
+		return -ENOENT;
+	}
+
+	if (devm_request_irq(&pdev->dev, dev->irq, coda_irq_handler,
+		0, CODA_NAME, dev) < 0) {
+		dev_err(&pdev->dev, "failed to request irq\n");
+		return -ENOENT;
+	}
+
+	ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev);
+	if (ret)
+		return ret;
+
+	mutex_init(&dev->dev_mutex);
+
+	pdev_id = of_id ? of_id->data : platform_get_device_id(pdev);
+
+	if (of_id)
+		dev->devtype = of_id->data;
+	else if (pdev_id)
+		dev->devtype = &coda_devdata[pdev_id->driver_data];
+	else
+		return -EINVAL;
+
+	/* allocate auxiliary per-device buffers for the BIT processor */
+	switch (dev->devtype->product) {
+	case CODA_DX6:
+		bufsize = CODADX6_WORK_BUF_SIZE;
+		break;
+	default:
+		bufsize = CODA7_WORK_BUF_SIZE;
+	}
+	dev->workbuf.vaddr = dma_alloc_coherent(&pdev->dev, bufsize,
+						    &dev->workbuf.paddr,
+						    GFP_KERNEL);
+	if (!dev->workbuf.vaddr) {
+		dev_err(&pdev->dev, "failed to allocate work buffer\n");
+		return -ENOMEM;
+	}
+
+	platform_set_drvdata(pdev, dev);
+
+	return coda_firmware_request(dev);
+}
+
+static int coda_remove(struct platform_device *pdev)
+{
+	struct coda_dev *dev = platform_get_drvdata(pdev);
+	unsigned int bufsize;
+
+	switch (dev->devtype->product) {
+	case CODA_DX6:
+		bufsize = CODADX6_WORK_BUF_SIZE;
+		break;
+	default:
+		bufsize = CODA7_WORK_BUF_SIZE;
+	}
+
+	video_unregister_device(&dev->vfd);
+	v4l2_m2m_release(dev->m2m_dev);
+	vb2_dma_contig_cleanup_ctx(dev->alloc_ctx);
+	v4l2_device_unregister(&dev->v4l2_dev);
+	if (dev->codebuf.vaddr)
+		dma_free_coherent(&pdev->dev, dev->codebuf_size,
+				  &dev->codebuf.vaddr, dev->codebuf.paddr);
+	dma_free_coherent(&pdev->dev, bufsize, &dev->workbuf.vaddr,
+			  dev->workbuf.paddr);
+	return 0;
+}
+
+static struct platform_driver coda_driver = {
+	.probe	= coda_probe,
+	.remove	= __devexit_p(coda_remove),
+	.driver	= {
+		.name	= CODA_NAME,
+		.owner	= THIS_MODULE,
+		.of_match_table = of_match_ptr(coda_dt_ids),
+	},
+	.id_table = coda_platform_ids,
+};
+
+module_platform_driver(coda_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com>");
+MODULE_DESCRIPTION("Coda multi-standard codec V4L2 driver");
diff --git a/drivers/media/video/coda.h b/drivers/media/video/coda.h
new file mode 100644
index 0000000..4cf4a04
--- /dev/null
+++ b/drivers/media/video/coda.h
@@ -0,0 +1,216 @@
+/*
+ * linux/drivers/media/video/coda/coda_regs.h
+ *
+ * Copyright (C) 2012 Vista Silicon SL
+ *    Javier Martin <javier.martin@vista-silicon.com>
+ *    Xavier Duret
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef _REGS_CODA_H_
+#define _REGS_CODA_H_
+
+/* HW registers */
+#define CODA_REG_BIT_CODE_RUN			0x000
+#define		CODA_REG_RUN_ENABLE		(1 << 0)
+#define CODA_REG_BIT_CODE_DOWN			0x004
+#define		CODA_DOWN_ADDRESS_SET(x)	(((x) & 0xffff) << 16)
+#define		CODA_DOWN_DATA_SET(x)		((x) & 0xffff)
+#define CODA_REG_BIT_HOST_IN_REQ		0x008
+#define CODA_REG_BIT_INT_CLEAR			0x00c
+#define		CODA_REG_BIT_INT_CLEAR_SET	0x1
+#define CODA_REG_BIT_INT_STATUS		0x010
+#define CODA_REG_BIT_CODE_RESET		0x014
+#define		CODA_REG_RESET_ENABLE		(1 << 0)
+#define CODA_REG_BIT_CUR_PC			0x018
+
+/* Static SW registers */
+#define CODA_REG_BIT_CODE_BUF_ADDR		0x100
+#define CODA_REG_BIT_WORK_BUF_ADDR		0x104
+#define CODA_REG_BIT_PARA_BUF_ADDR		0x108
+#define CODA_REG_BIT_STREAM_CTRL		0x10c
+#define		CODA7_STREAM_BUF_PIC_RESET	(1 << 4)
+#define		CODADX6_STREAM_BUF_PIC_RESET	(1 << 3)
+#define		CODA7_STREAM_BUF_PIC_FLUSH	(1 << 3)
+#define		CODADX6_STREAM_BUF_PIC_FLUSH	(1 << 2)
+#define		CODA7_STREAM_BUF_DYNALLOC_EN	(1 << 5)
+#define		CODADX6_STREAM_BUF_DYNALLOC_EN	(1 << 4)
+#define 	CODA_STREAM_CHKDIS_OFFSET	(1 << 1)
+#define		CODA_STREAM_ENDIAN_SELECT	(1 << 0)
+#define CODA_REG_BIT_FRAME_MEM_CTRL		0x110
+#define		CODA_IMAGE_ENDIAN_SELECT	(1 << 0)
+#define CODA_REG_BIT_RD_PTR(x)			(0x120 + 8 * (x))
+#define CODA_REG_BIT_WR_PTR(x)			(0x124 + 8 * (x))
+#define CODA_REG_BIT_SEARCH_RAM_BASE_ADDR	0x140
+#define CODA_REG_BIT_BUSY			0x160
+#define		CODA_REG_BIT_BUSY_FLAG		1
+#define CODA_REG_BIT_RUN_COMMAND		0x164
+#define		CODA_COMMAND_SEQ_INIT		1
+#define		CODA_COMMAND_SEQ_END		2
+#define		CODA_COMMAND_PIC_RUN		3
+#define		CODA_COMMAND_SET_FRAME_BUF	4
+#define		CODA_COMMAND_ENCODE_HEADER	5
+#define		CODA_COMMAND_ENC_PARA_SET	6
+#define		CODA_COMMAND_DEC_PARA_SET	7
+#define		CODA_COMMAND_DEC_BUF_FLUSH	8
+#define		CODA_COMMAND_RC_CHANGE_PARAMETER 9
+#define		CODA_COMMAND_FIRMWARE_GET	0xf
+#define CODA_REG_BIT_RUN_INDEX			0x168
+#define		CODA_INDEX_SET(x)		((x) & 0x3)
+#define CODA_REG_BIT_RUN_COD_STD		0x16c
+#define		CODADX6_MODE_DECODE_MP4		0
+#define		CODADX6_MODE_ENCODE_MP4		1
+#define		CODADX6_MODE_DECODE_H264	2
+#define		CODADX6_MODE_ENCODE_H264	3
+#define		CODA7_MODE_DECODE_H264		0
+#define		CODA7_MODE_DECODE_VC1		1
+#define		CODA7_MODE_DECODE_MP2		2
+#define		CODA7_MODE_DECODE_MP4		3
+#define		CODA7_MODE_DECODE_DV3		3
+#define		CODA7_MODE_DECODE_RV		4
+#define		CODA7_MODE_DECODE_MJPG		5
+#define		CODA7_MODE_ENCODE_H264		8
+#define		CODA7_MODE_ENCODE_MP4		11
+#define		CODA7_MODE_ENCODE_MJPG		13
+#define 	CODA_MODE_INVALID		0xffff
+#define CODA_REG_BIT_INT_ENABLE		0x170
+#define		CODA_INT_INTERRUPT_ENABLE	(1 << 3)
+
+/*
+ * Commands' mailbox:
+ * registers with offsets in the range 0x180-0x1d0
+ * have different meaning depending on the command being
+ * issued.
+ */
+
+/* Encoder Sequence Initialization */
+#define CODA_CMD_ENC_SEQ_BB_START				0x180
+#define CODA_CMD_ENC_SEQ_BB_SIZE				0x184
+#define CODA_CMD_ENC_SEQ_OPTION				0x188
+#define		CODA_OPTION_GAMMA_OFFSET			7
+#define		CODA_OPTION_GAMMA_MASK				0x01
+#define		CODA_OPTION_LIMITQP_OFFSET			6
+#define		CODA_OPTION_LIMITQP_MASK			0x01
+#define		CODA_OPTION_RCINTRAQP_OFFSET			5
+#define		CODA_OPTION_RCINTRAQP_MASK			0x01
+#define		CODA_OPTION_FMO_OFFSET				4
+#define		CODA_OPTION_FMO_MASK				0x01
+#define		CODA_OPTION_SLICEREPORT_OFFSET			1
+#define		CODA_OPTION_SLICEREPORT_MASK			0x01
+#define CODA_CMD_ENC_SEQ_COD_STD				0x18c
+#define		CODA_STD_MPEG4					0
+#define		CODA_STD_H263					1
+#define		CODA_STD_H264					2
+#define		CODA_STD_MJPG					3
+#define CODA_CMD_ENC_SEQ_SRC_SIZE				0x190
+#define		CODA7_PICWIDTH_OFFSET				16
+#define		CODA7_PICWIDTH_MASK				0xffff
+#define		CODADX6_PICWIDTH_OFFSET				10
+#define		CODADX6_PICWIDTH_MASK				0x3ff
+#define		CODA_PICHEIGHT_OFFSET				0
+#define		CODA_PICHEIGHT_MASK				0x3ff
+#define CODA_CMD_ENC_SEQ_SRC_F_RATE				0x194
+#define CODA_CMD_ENC_SEQ_MP4_PARA				0x198
+#define		CODA_MP4PARAM_VERID_OFFSET			6
+#define		CODA_MP4PARAM_VERID_MASK			0x01
+#define		CODA_MP4PARAM_INTRADCVLCTHR_OFFSET		2
+#define		CODA_MP4PARAM_INTRADCVLCTHR_MASK		0x07
+#define		CODA_MP4PARAM_REVERSIBLEVLCENABLE_OFFSET	1
+#define		CODA_MP4PARAM_REVERSIBLEVLCENABLE_MASK		0x01
+#define		CODA_MP4PARAM_DATAPARTITIONENABLE_OFFSET	0
+#define		CODA_MP4PARAM_DATAPARTITIONENABLE_MASK		0x01
+#define CODA_CMD_ENC_SEQ_263_PARA				0x19c
+#define		CODA_263PARAM_ANNEXJENABLE_OFFSET		2
+#define		CODA_263PARAM_ANNEXJENABLE_MASK		0x01
+#define		CODA_263PARAM_ANNEXKENABLE_OFFSET		1
+#define		CODA_263PARAM_ANNEXKENABLE_MASK		0x01
+#define		CODA_263PARAM_ANNEXTENABLE_OFFSET		0
+#define		CODA_263PARAM_ANNEXTENABLE_MASK		0x01
+#define CODA_CMD_ENC_SEQ_264_PARA				0x1a0
+#define		CODA_264PARAM_DEBLKFILTEROFFSETBETA_OFFSET	12
+#define		CODA_264PARAM_DEBLKFILTEROFFSETBETA_MASK	0x0f
+#define		CODA_264PARAM_DEBLKFILTEROFFSETALPHA_OFFSET	8
+#define		CODA_264PARAM_DEBLKFILTEROFFSETALPHA_MASK	0x0f
+#define		CODA_264PARAM_DISABLEDEBLK_OFFSET		6
+#define		CODA_264PARAM_DISABLEDEBLK_MASK		0x01
+#define		CODA_264PARAM_CONSTRAINEDINTRAPREDFLAG_OFFSET	5
+#define		CODA_264PARAM_CONSTRAINEDINTRAPREDFLAG_MASK	0x01
+#define		CODA_264PARAM_CHROMAQPOFFSET_OFFSET		0
+#define		CODA_264PARAM_CHROMAQPOFFSET_MASK		0x1f
+#define CODA_CMD_ENC_SEQ_SLICE_MODE				0x1a4
+#define		CODA_SLICING_SIZE_OFFSET			2
+#define		CODA_SLICING_SIZE_MASK				0x3fffffff
+#define		CODA_SLICING_UNIT_OFFSET			1
+#define		CODA_SLICING_UNIT_MASK				0x01
+#define		CODA_SLICING_MODE_OFFSET			0
+#define		CODA_SLICING_MODE_MASK				0x01
+#define CODA_CMD_ENC_SEQ_GOP_SIZE				0x1a8
+#define		CODA_GOP_SIZE_OFFSET				0
+#define		CODA_GOP_SIZE_MASK				0x3f
+#define CODA_CMD_ENC_SEQ_RC_PARA				0x1ac
+#define		CODA_RATECONTROL_AUTOSKIP_OFFSET		31
+#define		CODA_RATECONTROL_AUTOSKIP_MASK			0x01
+#define		CODA_RATECONTROL_INITIALDELAY_OFFSET		16
+#define		CODA_RATECONTROL_INITIALDELAY_MASK		0x7f
+#define		CODA_RATECONTROL_BITRATE_OFFSET		1
+#define		CODA_RATECONTROL_BITRATE_MASK			0x7f
+#define		CODA_RATECONTROL_ENABLE_OFFSET			0
+#define		CODA_RATECONTROL_ENABLE_MASK			0x01
+#define CODA_CMD_ENC_SEQ_RC_BUF_SIZE				0x1b0
+#define CODA_CMD_ENC_SEQ_INTRA_REFRESH				0x1b4
+#define CODA_CMD_ENC_SEQ_FMO					0x1b8
+#define		CODA_FMOPARAM_TYPE_OFFSET			4
+#define		CODA_FMOPARAM_TYPE_MASK				1
+#define		CODA_FMOPARAM_SLICENUM_OFFSET			0
+#define		CODA_FMOPARAM_SLICENUM_MASK			0x0f
+#define CODA_CMD_ENC_SEQ_RC_QP_MAX				0x1c8
+#define		CODA_QPMAX_OFFSET				0
+#define		CODA_QPMAX_MASK					0x3f
+#define CODA_CMD_ENC_SEQ_RC_GAMMA				0x1cc
+#define		CODA_GAMMA_OFFSET				0
+#define		CODA_GAMMA_MASK					0xffff
+#define CODA_RET_ENC_SEQ_SUCCESS				0x1c0
+
+/* Encoder Picture Run */
+#define CODA_CMD_ENC_PIC_SRC_ADDR_Y	0x180
+#define CODA_CMD_ENC_PIC_SRC_ADDR_CB	0x184
+#define CODA_CMD_ENC_PIC_SRC_ADDR_CR	0x188
+#define CODA_CMD_ENC_PIC_QS		0x18c
+#define CODA_CMD_ENC_PIC_ROT_MODE	0x190
+#define CODA_CMD_ENC_PIC_OPTION	0x194
+#define CODA_CMD_ENC_PIC_BB_START	0x198
+#define CODA_CMD_ENC_PIC_BB_SIZE	0x19c
+#define CODA_RET_ENC_PIC_TYPE		0x1c4
+#define CODA_RET_ENC_PIC_SLICE_NUM	0x1cc
+#define CODA_RET_ENC_PIC_FLAG		0x1d0
+
+/* Set Frame Buffer */
+#define CODA_CMD_SET_FRAME_BUF_NUM	0x180
+#define CODA_CMD_SET_FRAME_BUF_STRIDE	0x184
+
+/* Encoder Header */
+#define CODA_CMD_ENC_HEADER_CODE	0x180
+#define		CODA_GAMMA_OFFSET	0
+#define		CODA_HEADER_H264_SPS	0
+#define		CODA_HEADER_H264_PPS	1
+#define		CODA_HEADER_MP4V_VOL	0
+#define		CODA_HEADER_MP4V_VOS	1
+#define		CODA_HEADER_MP4V_VIS	2
+#define CODA_CMD_ENC_HEADER_BB_START	0x184
+#define CODA_CMD_ENC_HEADER_BB_SIZE	0x188
+
+/* Get Version */
+#define CODA_CMD_FIRMWARE_VERNUM		0x1c0
+#define		CODA_FIRMWARE_PRODUCT(x)	(((x) >> 16) & 0xffff)
+#define		CODA_FIRMWARE_MAJOR(x)		(((x) >> 12) & 0x0f)
+#define		CODA_FIRMWARE_MINOR(x)		(((x) >> 8) & 0x0f)
+#define		CODA_FIRMWARE_RELEASE(x)	((x) & 0xff)
+#define		CODA_FIRMWARE_VERNUM(product, major, minor, release)	\
+			((product) << 16 | ((major) << 12) |		\
+			((minor) << 8) | (release))
+
+#endif
