media: platform: rename s5p-jpeg/ to samsung/s5p-jpeg/

As the end goal is to have platform drivers split by vendor,
rename s5p-jpeg/ to samsung/s5p-jpeg/.

Acked-by: Andrzej Pietrasiewicz <andrzejtp2010@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

1 files changed, 0 insertions, 3182 deletions

diff --git a/drivers/media/platform/s5p-jpeg/jpeg-core.c b/drivers/media/platform/s5p-jpeg/jpeg-core.c
deleted file mode 100644
index a8d9159d5ed8..000000000000
--- a/drivers/media/platform/s5p-jpeg/jpeg-core.c
+++ /dev/null
@@ -1,3182 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/* linux/drivers/media/platform/s5p-jpeg/jpeg-core.c
- *
- * Copyright (c) 2011-2014 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com
- *
- * Author: Andrzej Pietrasiewicz <andrzejtp2010@gmail.com>
- * Author: Jacek Anaszewski <j.anaszewski@samsung.com>
- */
-
-#include <linux/clk.h>
-#include <linux/err.h>
-#include <linux/gfp.h>
-#include <linux/interrupt.h>
-#include <linux/io.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/of.h>
-#include <linux/platform_device.h>
-#include <linux/pm_runtime.h>
-#include <linux/slab.h>
-#include <linux/spinlock.h>
-#include <linux/string.h>
-#include <media/v4l2-event.h>
-#include <media/v4l2-mem2mem.h>
-#include <media/v4l2-ioctl.h>
-#include <media/v4l2-rect.h>
-#include <media/videobuf2-v4l2.h>
-#include <media/videobuf2-dma-contig.h>
-
-#include "jpeg-core.h"
-#include "jpeg-hw-s5p.h"
-#include "jpeg-hw-exynos4.h"
-#include "jpeg-hw-exynos3250.h"
-#include "jpeg-regs.h"
-
-static struct s5p_jpeg_fmt sjpeg_formats[] = {
-	{
-		.fourcc		= V4L2_PIX_FMT_JPEG,
-		.flags		= SJPEG_FMT_FLAG_ENC_CAPTURE |
-				  SJPEG_FMT_FLAG_DEC_OUTPUT |
-				  SJPEG_FMT_FLAG_S5P |
-				  SJPEG_FMT_FLAG_EXYNOS3250 |
-				  SJPEG_FMT_FLAG_EXYNOS4,
-	},
-	{
-		.fourcc		= V4L2_PIX_FMT_YUYV,
-		.depth		= 16,
-		.colplanes	= 1,
-		.h_align	= 4,
-		.v_align	= 3,
-		.flags		= SJPEG_FMT_FLAG_ENC_OUTPUT |
-				  SJPEG_FMT_FLAG_DEC_CAPTURE |
-				  SJPEG_FMT_FLAG_S5P |
-				  SJPEG_FMT_NON_RGB,
-		.subsampling	= V4L2_JPEG_CHROMA_SUBSAMPLING_422,
-	},
-	{
-		.fourcc		= V4L2_PIX_FMT_YUYV,
-		.depth		= 16,
-		.colplanes	= 1,
-		.h_align	= 1,
-		.v_align	= 0,
-		.flags		= SJPEG_FMT_FLAG_ENC_OUTPUT |
-				  SJPEG_FMT_FLAG_DEC_CAPTURE |
-				  SJPEG_FMT_FLAG_EXYNOS4 |
-				  SJPEG_FMT_NON_RGB,
-		.subsampling	= V4L2_JPEG_CHROMA_SUBSAMPLING_422,
-	},
-	{
-		.fourcc		= V4L2_PIX_FMT_YUYV,
-		.depth		= 16,
-		.colplanes	= 1,
-		.h_align	= 2,
-		.v_align	= 0,
-		.flags		= SJPEG_FMT_FLAG_ENC_OUTPUT |
-				  SJPEG_FMT_FLAG_DEC_CAPTURE |
-				  SJPEG_FMT_FLAG_EXYNOS3250 |
-				  SJPEG_FMT_NON_RGB,
-		.subsampling	= V4L2_JPEG_CHROMA_SUBSAMPLING_422,
-	},
-	{
-		.fourcc		= V4L2_PIX_FMT_YVYU,
-		.depth		= 16,
-		.colplanes	= 1,
-		.h_align	= 1,
-		.v_align	= 0,
-		.flags		= SJPEG_FMT_FLAG_ENC_OUTPUT |
-				  SJPEG_FMT_FLAG_DEC_CAPTURE |
-				  SJPEG_FMT_FLAG_EXYNOS4 |
-				  SJPEG_FMT_NON_RGB,
-		.subsampling	= V4L2_JPEG_CHROMA_SUBSAMPLING_422,
-	},
-	{
-		.fourcc		= V4L2_PIX_FMT_YVYU,
-		.depth		= 16,
-		.colplanes	= 1,
-		.h_align	= 2,
-		.v_align	= 0,
-		.flags		= SJPEG_FMT_FLAG_ENC_OUTPUT |
-				  SJPEG_FMT_FLAG_DEC_CAPTURE |
-				  SJPEG_FMT_FLAG_EXYNOS3250 |
-				  SJPEG_FMT_NON_RGB,
-		.subsampling	= V4L2_JPEG_CHROMA_SUBSAMPLING_422,
-	},
-	{
-		.fourcc		= V4L2_PIX_FMT_UYVY,
-		.depth		= 16,
-		.colplanes	= 1,
-		.h_align	= 2,
-		.v_align	= 0,
-		.flags		= SJPEG_FMT_FLAG_ENC_OUTPUT |
-				  SJPEG_FMT_FLAG_DEC_CAPTURE |
-				  SJPEG_FMT_FLAG_EXYNOS3250 |
-				  SJPEG_FMT_NON_RGB,
-		.subsampling	= V4L2_JPEG_CHROMA_SUBSAMPLING_422,
-	},
-	{
-		.fourcc		= V4L2_PIX_FMT_VYUY,
-		.depth		= 16,
-		.colplanes	= 1,
-		.h_align	= 2,
-		.v_align	= 0,
-		.flags		= SJPEG_FMT_FLAG_ENC_OUTPUT |
-				  SJPEG_FMT_FLAG_DEC_CAPTURE |
-				  SJPEG_FMT_FLAG_EXYNOS3250 |
-				  SJPEG_FMT_NON_RGB,
-		.subsampling	= V4L2_JPEG_CHROMA_SUBSAMPLING_422,
-	},
-	{
-		.fourcc		= V4L2_PIX_FMT_RGB565,
-		.depth		= 16,
-		.colplanes	= 1,
-		.h_align	= 0,
-		.v_align	= 0,
-		.flags		= SJPEG_FMT_FLAG_ENC_OUTPUT |
-				  SJPEG_FMT_FLAG_DEC_CAPTURE |
-				  SJPEG_FMT_FLAG_EXYNOS4 |
-				  SJPEG_FMT_RGB,
-		.subsampling	= V4L2_JPEG_CHROMA_SUBSAMPLING_444,
-	},
-	{
-		.fourcc		= V4L2_PIX_FMT_RGB565,
-		.depth		= 16,
-		.colplanes	= 1,
-		.h_align	= 2,
-		.v_align	= 0,
-		.flags		= SJPEG_FMT_FLAG_ENC_OUTPUT |
-				  SJPEG_FMT_FLAG_DEC_CAPTURE |
-				  SJPEG_FMT_FLAG_EXYNOS3250 |
-				  SJPEG_FMT_RGB,
-		.subsampling	= V4L2_JPEG_CHROMA_SUBSAMPLING_444,
-	},
-	{
-		.fourcc		= V4L2_PIX_FMT_RGB565X,
-		.depth		= 16,
-		.colplanes	= 1,
-		.h_align	= 2,
-		.v_align	= 0,
-		.flags		= SJPEG_FMT_FLAG_ENC_OUTPUT |
-				  SJPEG_FMT_FLAG_DEC_CAPTURE |
-				  SJPEG_FMT_FLAG_EXYNOS3250 |
-				  SJPEG_FMT_RGB,
-		.subsampling	= V4L2_JPEG_CHROMA_SUBSAMPLING_444,
-	},
-	{
-		.fourcc		= V4L2_PIX_FMT_RGB565,
-		.depth		= 16,
-		.colplanes	= 1,
-		.h_align	= 0,
-		.v_align	= 0,
-		.flags		= SJPEG_FMT_FLAG_ENC_OUTPUT |
-				  SJPEG_FMT_FLAG_S5P |
-				  SJPEG_FMT_RGB,
-		.subsampling	= V4L2_JPEG_CHROMA_SUBSAMPLING_444,
-	},
-	{
-		.fourcc		= V4L2_PIX_FMT_RGB32,
-		.depth		= 32,
-		.colplanes	= 1,
-		.h_align	= 0,
-		.v_align	= 0,
-		.flags		= SJPEG_FMT_FLAG_ENC_OUTPUT |
-				  SJPEG_FMT_FLAG_DEC_CAPTURE |
-				  SJPEG_FMT_FLAG_EXYNOS4 |
-				  SJPEG_FMT_RGB,
-		.subsampling	= V4L2_JPEG_CHROMA_SUBSAMPLING_444,
-	},
-	{
-		.fourcc		= V4L2_PIX_FMT_RGB32,
-		.depth		= 32,
-		.colplanes	= 1,
-		.h_align	= 2,
-		.v_align	= 0,
-		.flags		= SJPEG_FMT_FLAG_ENC_OUTPUT |
-				  SJPEG_FMT_FLAG_DEC_CAPTURE |
-				  SJPEG_FMT_FLAG_EXYNOS3250 |
-				  SJPEG_FMT_RGB,
-		.subsampling	= V4L2_JPEG_CHROMA_SUBSAMPLING_444,
-	},
-	{
-		.fourcc		= V4L2_PIX_FMT_NV24,
-		.depth		= 24,
-		.colplanes	= 2,
-		.h_align	= 0,
-		.v_align	= 0,
-		.flags		= SJPEG_FMT_FLAG_ENC_OUTPUT |
-				  SJPEG_FMT_FLAG_DEC_CAPTURE |
-				  SJPEG_FMT_FLAG_EXYNOS4 |
-				  SJPEG_FMT_NON_RGB,
-		.subsampling	= V4L2_JPEG_CHROMA_SUBSAMPLING_444,
-	},
-	{
-		.fourcc		= V4L2_PIX_FMT_NV42,
-		.depth		= 24,
-		.colplanes	= 2,
-		.h_align	= 0,
-		.v_align	= 0,
-		.flags		= SJPEG_FMT_FLAG_ENC_OUTPUT |
-				  SJPEG_FMT_FLAG_DEC_CAPTURE |
-				  SJPEG_FMT_FLAG_EXYNOS4 |
-				  SJPEG_FMT_NON_RGB,
-		.subsampling	= V4L2_JPEG_CHROMA_SUBSAMPLING_444,
-	},
-	{
-		.fourcc		= V4L2_PIX_FMT_NV61,
-		.depth		= 16,
-		.colplanes	= 2,
-		.h_align	= 1,
-		.v_align	= 0,
-		.flags		= SJPEG_FMT_FLAG_ENC_OUTPUT |
-				  SJPEG_FMT_FLAG_DEC_CAPTURE |
-				  SJPEG_FMT_FLAG_EXYNOS4 |
-				  SJPEG_FMT_NON_RGB,
-		.subsampling	= V4L2_JPEG_CHROMA_SUBSAMPLING_422,
-	},
-	{
-		.fourcc		= V4L2_PIX_FMT_NV16,
-		.depth		= 16,
-		.colplanes	= 2,
-		.h_align	= 1,
-		.v_align	= 0,
-		.flags		= SJPEG_FMT_FLAG_ENC_OUTPUT |
-				  SJPEG_FMT_FLAG_DEC_CAPTURE |
-				  SJPEG_FMT_FLAG_EXYNOS4 |
-				  SJPEG_FMT_NON_RGB,
-		.subsampling	= V4L2_JPEG_CHROMA_SUBSAMPLING_422,
-	},
-	{
-		.fourcc		= V4L2_PIX_FMT_NV12,
-		.depth		= 12,
-		.colplanes	= 2,
-		.h_align	= 1,
-		.v_align	= 1,
-		.flags		= SJPEG_FMT_FLAG_ENC_OUTPUT |
-				  SJPEG_FMT_FLAG_DEC_CAPTURE |
-				  SJPEG_FMT_FLAG_EXYNOS4 |
-				  SJPEG_FMT_NON_RGB,
-		.subsampling	= V4L2_JPEG_CHROMA_SUBSAMPLING_420,
-	},
-	{
-		.fourcc		= V4L2_PIX_FMT_NV12,
-		.depth		= 12,
-		.colplanes	= 2,
-		.h_align	= 3,
-		.v_align	= 3,
-		.flags		= SJPEG_FMT_FLAG_ENC_OUTPUT |
-				  SJPEG_FMT_FLAG_DEC_CAPTURE |
-				  SJPEG_FMT_FLAG_EXYNOS3250 |
-				  SJPEG_FMT_NON_RGB,
-		.subsampling	= V4L2_JPEG_CHROMA_SUBSAMPLING_420,
-	},
-	{
-		.fourcc		= V4L2_PIX_FMT_NV12,
-		.depth		= 12,
-		.colplanes	= 2,
-		.h_align	= 4,
-		.v_align	= 4,
-		.flags		= SJPEG_FMT_FLAG_ENC_OUTPUT |
-				  SJPEG_FMT_FLAG_DEC_CAPTURE |
-				  SJPEG_FMT_FLAG_S5P |
-				  SJPEG_FMT_NON_RGB,
-		.subsampling	= V4L2_JPEG_CHROMA_SUBSAMPLING_420,
-	},
-	{
-		.fourcc		= V4L2_PIX_FMT_NV21,
-		.depth		= 12,
-		.colplanes	= 2,
-		.h_align	= 3,
-		.v_align	= 3,
-		.flags		= SJPEG_FMT_FLAG_ENC_OUTPUT |
-				  SJPEG_FMT_FLAG_DEC_CAPTURE |
-				  SJPEG_FMT_FLAG_EXYNOS3250 |
-				  SJPEG_FMT_NON_RGB,
-		.subsampling	= V4L2_JPEG_CHROMA_SUBSAMPLING_420,
-	},
-	{
-		.fourcc		= V4L2_PIX_FMT_NV21,
-		.depth		= 12,
-		.colplanes	= 2,
-		.h_align	= 1,
-		.v_align	= 1,
-		.flags		= SJPEG_FMT_FLAG_ENC_OUTPUT |
-				  SJPEG_FMT_FLAG_DEC_CAPTURE |
-				  SJPEG_FMT_FLAG_EXYNOS3250 |
-				  SJPEG_FMT_FLAG_EXYNOS4 |
-				  SJPEG_FMT_NON_RGB,
-		.subsampling	= V4L2_JPEG_CHROMA_SUBSAMPLING_420,
-	},
-	{
-		.fourcc		= V4L2_PIX_FMT_YUV420,
-		.depth		= 12,
-		.colplanes	= 3,
-		.h_align	= 1,
-		.v_align	= 1,
-		.flags		= SJPEG_FMT_FLAG_ENC_OUTPUT |
-				  SJPEG_FMT_FLAG_DEC_CAPTURE |
-				  SJPEG_FMT_FLAG_EXYNOS4 |
-				  SJPEG_FMT_NON_RGB,
-		.subsampling	= V4L2_JPEG_CHROMA_SUBSAMPLING_420,
-	},
-	{
-		.fourcc		= V4L2_PIX_FMT_YUV420,
-		.depth		= 12,
-		.colplanes	= 3,
-		.h_align	= 4,
-		.v_align	= 4,
-		.flags		= SJPEG_FMT_FLAG_ENC_OUTPUT |
-				  SJPEG_FMT_FLAG_DEC_CAPTURE |
-				  SJPEG_FMT_FLAG_EXYNOS3250 |
-				  SJPEG_FMT_NON_RGB,
-		.subsampling	= V4L2_JPEG_CHROMA_SUBSAMPLING_420,
-	},
-	{
-		.fourcc		= V4L2_PIX_FMT_GREY,
-		.depth		= 8,
-		.colplanes	= 1,
-		.flags		= SJPEG_FMT_FLAG_ENC_OUTPUT |
-				  SJPEG_FMT_FLAG_DEC_CAPTURE |
-				  SJPEG_FMT_FLAG_EXYNOS4 |
-				  SJPEG_FMT_NON_RGB,
-		.subsampling	= V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY,
-	},
-};
-#define SJPEG_NUM_FORMATS ARRAY_SIZE(sjpeg_formats)
-
-static const unsigned char qtbl_luminance[4][64] = {
-	{/*level 0 - high compression quality */
-		20, 16, 25, 39, 50, 46, 62, 68,
-		16, 18, 23, 38, 38, 53, 65, 68,
-		25, 23, 31, 38, 53, 65, 68, 68,
-		39, 38, 38, 53, 65, 68, 68, 68,
-		50, 38, 53, 65, 68, 68, 68, 68,
-		46, 53, 65, 68, 68, 68, 68, 68,
-		62, 65, 68, 68, 68, 68, 68, 68,
-		68, 68, 68, 68, 68, 68, 68, 68
-	},
-	{/* level 1 */
-		16, 11, 11, 16, 23, 27, 31, 30,
-		11, 12, 12, 15, 20, 23, 23, 30,
-		11, 12, 13, 16, 23, 26, 35, 47,
-		16, 15, 16, 23, 26, 37, 47, 64,
-		23, 20, 23, 26, 39, 51, 64, 64,
-		27, 23, 26, 37, 51, 64, 64, 64,
-		31, 23, 35, 47, 64, 64, 64, 64,
-		30, 30, 47, 64, 64, 64, 64, 64
-	},
-	{/* level 2 */
-		12,  8,  8, 12, 17, 21, 24, 23,
-		 8,  9,  9, 11, 15, 19, 18, 23,
-		 8,  9, 10, 12, 19, 20, 27, 36,
-		12, 11, 12, 21, 20, 28, 36, 53,
-		17, 15, 19, 20, 30, 39, 51, 59,
-		21, 19, 20, 28, 39, 51, 59, 59,
-		24, 18, 27, 36, 51, 59, 59, 59,
-		23, 23, 36, 53, 59, 59, 59, 59
-	},
-	{/* level 3 - low compression quality */
-		 8,  6,  6,  8, 12, 14, 16, 17,
-		 6,  6,  6,  8, 10, 13, 12, 15,
-		 6,  6,  7,  8, 13, 14, 18, 24,
-		 8,  8,  8, 14, 13, 19, 24, 35,
-		12, 10, 13, 13, 20, 26, 34, 39,
-		14, 13, 14, 19, 26, 34, 39, 39,
-		16, 12, 18, 24, 34, 39, 39, 39,
-		17, 15, 24, 35, 39, 39, 39, 39
-	}
-};
-
-static const unsigned char qtbl_chrominance[4][64] = {
-	{/*level 0 - high compression quality */
-		21, 25, 32, 38, 54, 68, 68, 68,
-		25, 28, 24, 38, 54, 68, 68, 68,
-		32, 24, 32, 43, 66, 68, 68, 68,
-		38, 38, 43, 53, 68, 68, 68, 68,
-		54, 54, 66, 68, 68, 68, 68, 68,
-		68, 68, 68, 68, 68, 68, 68, 68,
-		68, 68, 68, 68, 68, 68, 68, 68,
-		68, 68, 68, 68, 68, 68, 68, 68
-	},
-	{/* level 1 */
-		17, 15, 17, 21, 20, 26, 38, 48,
-		15, 19, 18, 17, 20, 26, 35, 43,
-		17, 18, 20, 22, 26, 30, 46, 53,
-		21, 17, 22, 28, 30, 39, 53, 64,
-		20, 20, 26, 30, 39, 48, 64, 64,
-		26, 26, 30, 39, 48, 63, 64, 64,
-		38, 35, 46, 53, 64, 64, 64, 64,
-		48, 43, 53, 64, 64, 64, 64, 64
-	},
-	{/* level 2 */
-		13, 11, 13, 16, 20, 20, 29, 37,
-		11, 14, 14, 14, 16, 20, 26, 32,
-		13, 14, 15, 17, 20, 23, 35, 40,
-		16, 14, 17, 21, 23, 30, 40, 50,
-		20, 16, 20, 23, 30, 37, 50, 59,
-		20, 20, 23, 30, 37, 48, 59, 59,
-		29, 26, 35, 40, 50, 59, 59, 59,
-		37, 32, 40, 50, 59, 59, 59, 59
-	},
-	{/* level 3 - low compression quality */
-		 9,  8,  9, 11, 14, 17, 19, 24,
-		 8, 10,  9, 11, 14, 13, 17, 22,
-		 9,  9, 13, 14, 13, 15, 23, 26,
-		11, 11, 14, 14, 15, 20, 26, 33,
-		14, 14, 13, 15, 20, 24, 33, 39,
-		17, 13, 15, 20, 24, 32, 39, 39,
-		19, 17, 23, 26, 33, 39, 39, 39,
-		24, 22, 26, 33, 39, 39, 39, 39
-	}
-};
-
-static const unsigned char hdctbl0[16] = {
-	0, 1, 5, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0
-};
-
-static const unsigned char hdctblg0[12] = {
-	0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0xa, 0xb
-};
-static const unsigned char hactbl0[16] = {
-	0, 2, 1, 3, 3, 2, 4, 3, 5, 5, 4, 4, 0, 0, 1, 0x7d
-};
-static const unsigned char hactblg0[162] = {
-	0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12,
-	0x21, 0x31, 0x41, 0x06, 0x13, 0x51, 0x61, 0x07,
-	0x22, 0x71, 0x14, 0x32, 0x81, 0x91, 0xa1, 0x08,
-	0x23, 0x42, 0xb1, 0xc1, 0x15, 0x52, 0xd1, 0xf0,
-	0x24, 0x33, 0x62, 0x72, 0x82, 0x09, 0x0a, 0x16,
-	0x17, 0x18, 0x19, 0x1a, 0x25, 0x26, 0x27, 0x28,
-	0x29, 0x2a, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39,
-	0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49,
-	0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59,
-	0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69,
-	0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79,
-	0x7a, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89,
-	0x8a, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98,
-	0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
-	0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6,
-	0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, 0xc4, 0xc5,
-	0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2, 0xd3, 0xd4,
-	0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xe1, 0xe2,
-	0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea,
-	0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8,
-	0xf9, 0xfa
-};
-
-/*
- * Fourcc downgrade schema lookup tables for 422 and 420
- * chroma subsampling - fourcc on each position maps on the
- * fourcc from the table fourcc_to_dwngrd_schema_id which allows
- * to get the most suitable fourcc counterpart for the given
- * downgraded subsampling property.
- */
-static const u32 subs422_fourcc_dwngrd_schema[] = {
-	V4L2_PIX_FMT_NV16,
-	V4L2_PIX_FMT_NV61,
-};
-
-static const u32 subs420_fourcc_dwngrd_schema[] = {
-	V4L2_PIX_FMT_NV12,
-	V4L2_PIX_FMT_NV21,
-	V4L2_PIX_FMT_NV12,
-	V4L2_PIX_FMT_NV21,
-	V4L2_PIX_FMT_NV12,
-	V4L2_PIX_FMT_NV21,
-	V4L2_PIX_FMT_GREY,
-	V4L2_PIX_FMT_GREY,
-	V4L2_PIX_FMT_GREY,
-	V4L2_PIX_FMT_GREY,
-};
-
-/*
- * Lookup table for translation of a fourcc to the position
- * of its downgraded counterpart in the *fourcc_dwngrd_schema
- * tables.
- */
-static const u32 fourcc_to_dwngrd_schema_id[] = {
-	V4L2_PIX_FMT_NV24,
-	V4L2_PIX_FMT_NV42,
-	V4L2_PIX_FMT_NV16,
-	V4L2_PIX_FMT_NV61,
-	V4L2_PIX_FMT_YUYV,
-	V4L2_PIX_FMT_YVYU,
-	V4L2_PIX_FMT_NV12,
-	V4L2_PIX_FMT_NV21,
-	V4L2_PIX_FMT_YUV420,
-	V4L2_PIX_FMT_GREY,
-};
-
-static int s5p_jpeg_get_dwngrd_sch_id_by_fourcc(u32 fourcc)
-{
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(fourcc_to_dwngrd_schema_id); ++i) {
-		if (fourcc_to_dwngrd_schema_id[i] == fourcc)
-			return i;
-	}
-
-	return -EINVAL;
-}
-
-static int s5p_jpeg_adjust_fourcc_to_subsampling(
-					enum v4l2_jpeg_chroma_subsampling subs,
-					u32 in_fourcc,
-					u32 *out_fourcc,
-					struct s5p_jpeg_ctx *ctx)
-{
-	int dwngrd_sch_id;
-
-	if (ctx->subsampling != V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY) {
-		dwngrd_sch_id =
-			s5p_jpeg_get_dwngrd_sch_id_by_fourcc(in_fourcc);
-		if (dwngrd_sch_id < 0)
-			return -EINVAL;
-	}
-
-	switch (ctx->subsampling) {
-	case V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY:
-		*out_fourcc = V4L2_PIX_FMT_GREY;
-		break;
-	case V4L2_JPEG_CHROMA_SUBSAMPLING_420:
-		if (dwngrd_sch_id >
-				ARRAY_SIZE(subs420_fourcc_dwngrd_schema) - 1)
-			return -EINVAL;
-		*out_fourcc = subs420_fourcc_dwngrd_schema[dwngrd_sch_id];
-		break;
-	case V4L2_JPEG_CHROMA_SUBSAMPLING_422:
-		if (dwngrd_sch_id >
-				ARRAY_SIZE(subs422_fourcc_dwngrd_schema) - 1)
-			return -EINVAL;
-		*out_fourcc = subs422_fourcc_dwngrd_schema[dwngrd_sch_id];
-		break;
-	default:
-		*out_fourcc = V4L2_PIX_FMT_GREY;
-		break;
-	}
-
-	return 0;
-}
-
-static int exynos4x12_decoded_subsampling[] = {
-	V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY,
-	V4L2_JPEG_CHROMA_SUBSAMPLING_444,
-	V4L2_JPEG_CHROMA_SUBSAMPLING_422,
-	V4L2_JPEG_CHROMA_SUBSAMPLING_420,
-};
-
-static int exynos3250_decoded_subsampling[] = {
-	V4L2_JPEG_CHROMA_SUBSAMPLING_444,
-	V4L2_JPEG_CHROMA_SUBSAMPLING_422,
-	V4L2_JPEG_CHROMA_SUBSAMPLING_420,
-	V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY,
-	-1,
-	-1,
-	V4L2_JPEG_CHROMA_SUBSAMPLING_411,
-};
-
-static inline struct s5p_jpeg_ctx *ctrl_to_ctx(struct v4l2_ctrl *c)
-{
-	return container_of(c->handler, struct s5p_jpeg_ctx, ctrl_handler);
-}
-
-static inline struct s5p_jpeg_ctx *fh_to_ctx(struct v4l2_fh *fh)
-{
-	return container_of(fh, struct s5p_jpeg_ctx, fh);
-}
-
-static int s5p_jpeg_to_user_subsampling(struct s5p_jpeg_ctx *ctx)
-{
-	switch (ctx->jpeg->variant->version) {
-	case SJPEG_S5P:
-		WARN_ON(ctx->subsampling > 3);
-		if (ctx->subsampling > 2)
-			return V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY;
-		return ctx->subsampling;
-	case SJPEG_EXYNOS3250:
-	case SJPEG_EXYNOS5420:
-		WARN_ON(ctx->subsampling > 6);
-		if (ctx->subsampling > 3)
-			return V4L2_JPEG_CHROMA_SUBSAMPLING_411;
-		return exynos3250_decoded_subsampling[ctx->subsampling];
-	case SJPEG_EXYNOS4:
-		WARN_ON(ctx->subsampling > 3);
-		if (ctx->subsampling > 2)
-			return V4L2_JPEG_CHROMA_SUBSAMPLING_420;
-		return exynos4x12_decoded_subsampling[ctx->subsampling];
-	case SJPEG_EXYNOS5433:
-		return ctx->subsampling; /* parsed from header */
-	default:
-		WARN_ON(ctx->subsampling > 3);
-		return V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY;
-	}
-}
-
-static inline void s5p_jpeg_set_qtbl(void __iomem *regs,
-				     const unsigned char *qtbl,
-				     unsigned long tab, int len)
-{
-	int i;
-
-	for (i = 0; i < len; i++)
-		writel((unsigned int)qtbl[i], regs + tab + (i * 0x04));
-}
-
-static inline void s5p_jpeg_set_qtbl_lum(void __iomem *regs, int quality)
-{
-	/* this driver fills quantisation table 0 with data for luma */
-	s5p_jpeg_set_qtbl(regs, qtbl_luminance[quality],
-			  S5P_JPG_QTBL_CONTENT(0),
-			  ARRAY_SIZE(qtbl_luminance[quality]));
-}
-
-static inline void s5p_jpeg_set_qtbl_chr(void __iomem *regs, int quality)
-{
-	/* this driver fills quantisation table 1 with data for chroma */
-	s5p_jpeg_set_qtbl(regs, qtbl_chrominance[quality],
-			  S5P_JPG_QTBL_CONTENT(1),
-			  ARRAY_SIZE(qtbl_chrominance[quality]));
-}
-
-static inline void s5p_jpeg_set_htbl(void __iomem *regs,
-				     const unsigned char *htbl,
-				     unsigned long tab, int len)
-{
-	int i;
-
-	for (i = 0; i < len; i++)
-		writel((unsigned int)htbl[i], regs + tab + (i * 0x04));
-}
-
-static inline void s5p_jpeg_set_hdctbl(void __iomem *regs)
-{
-	/* this driver fills table 0 for this component */
-	s5p_jpeg_set_htbl(regs, hdctbl0, S5P_JPG_HDCTBL(0),
-						ARRAY_SIZE(hdctbl0));
-}
-
-static inline void s5p_jpeg_set_hdctblg(void __iomem *regs)
-{
-	/* this driver fills table 0 for this component */
-	s5p_jpeg_set_htbl(regs, hdctblg0, S5P_JPG_HDCTBLG(0),
-						ARRAY_SIZE(hdctblg0));
-}
-
-static inline void s5p_jpeg_set_hactbl(void __iomem *regs)
-{
-	/* this driver fills table 0 for this component */
-	s5p_jpeg_set_htbl(regs, hactbl0, S5P_JPG_HACTBL(0),
-						ARRAY_SIZE(hactbl0));
-}
-
-static inline void s5p_jpeg_set_hactblg(void __iomem *regs)
-{
-	/* this driver fills table 0 for this component */
-	s5p_jpeg_set_htbl(regs, hactblg0, S5P_JPG_HACTBLG(0),
-						ARRAY_SIZE(hactblg0));
-}
-
-static inline void exynos4_jpeg_set_tbl(void __iomem *regs,
-					const unsigned char *tbl,
-					unsigned long tab, int len)
-{
-	int i;
-	unsigned int dword;
-
-	for (i = 0; i < len; i += 4) {
-		dword = tbl[i] |
-			(tbl[i + 1] << 8) |
-			(tbl[i + 2] << 16) |
-			(tbl[i + 3] << 24);
-		writel(dword, regs + tab + i);
-	}
-}
-
-static inline void exynos4_jpeg_set_qtbl_lum(void __iomem *regs, int quality)
-{
-	/* this driver fills quantisation table 0 with data for luma */
-	exynos4_jpeg_set_tbl(regs, qtbl_luminance[quality],
-			     EXYNOS4_QTBL_CONTENT(0),
-			     ARRAY_SIZE(qtbl_luminance[quality]));
-}
-
-static inline void exynos4_jpeg_set_qtbl_chr(void __iomem *regs, int quality)
-{
-	/* this driver fills quantisation table 1 with data for chroma */
-	exynos4_jpeg_set_tbl(regs, qtbl_chrominance[quality],
-			     EXYNOS4_QTBL_CONTENT(1),
-			     ARRAY_SIZE(qtbl_chrominance[quality]));
-}
-
-static void exynos4_jpeg_set_huff_tbl(void __iomem *base)
-{
-	exynos4_jpeg_set_tbl(base, hdctbl0, EXYNOS4_HUFF_TBL_HDCLL,
-							ARRAY_SIZE(hdctbl0));
-	exynos4_jpeg_set_tbl(base, hdctbl0, EXYNOS4_HUFF_TBL_HDCCL,
-							ARRAY_SIZE(hdctbl0));
-	exynos4_jpeg_set_tbl(base, hdctblg0, EXYNOS4_HUFF_TBL_HDCLV,
-							ARRAY_SIZE(hdctblg0));
-	exynos4_jpeg_set_tbl(base, hdctblg0, EXYNOS4_HUFF_TBL_HDCCV,
-							ARRAY_SIZE(hdctblg0));
-	exynos4_jpeg_set_tbl(base, hactbl0, EXYNOS4_HUFF_TBL_HACLL,
-							ARRAY_SIZE(hactbl0));
-	exynos4_jpeg_set_tbl(base, hactbl0, EXYNOS4_HUFF_TBL_HACCL,
-							ARRAY_SIZE(hactbl0));
-	exynos4_jpeg_set_tbl(base, hactblg0, EXYNOS4_HUFF_TBL_HACLV,
-							ARRAY_SIZE(hactblg0));
-	exynos4_jpeg_set_tbl(base, hactblg0, EXYNOS4_HUFF_TBL_HACCV,
-							ARRAY_SIZE(hactblg0));
-}
-
-static inline int __exynos4_huff_tbl(int class, int id, bool lenval)
-{
-	/*
-	 * class: 0 - DC, 1 - AC
-	 * id: 0 - Y, 1 - Cb/Cr
-	 */
-	if (class) {
-		if (id)
-			return lenval ? EXYNOS4_HUFF_TBL_HACCL :
-				EXYNOS4_HUFF_TBL_HACCV;
-		return lenval ? EXYNOS4_HUFF_TBL_HACLL : EXYNOS4_HUFF_TBL_HACLV;
-
-	}
-	/* class == 0 */
-	if (id)
-		return lenval ? EXYNOS4_HUFF_TBL_HDCCL : EXYNOS4_HUFF_TBL_HDCCV;
-
-	return lenval ? EXYNOS4_HUFF_TBL_HDCLL : EXYNOS4_HUFF_TBL_HDCLV;
-}
-
-static inline int exynos4_huff_tbl_len(int class, int id)
-{
-	return __exynos4_huff_tbl(class, id, true);
-}
-
-static inline int exynos4_huff_tbl_val(int class, int id)
-{
-	return __exynos4_huff_tbl(class, id, false);
-}
-
-static int get_byte(struct s5p_jpeg_buffer *buf);
-static int get_word_be(struct s5p_jpeg_buffer *buf, unsigned int *word);
-static void skip(struct s5p_jpeg_buffer *buf, long len);
-
-static void exynos4_jpeg_parse_decode_h_tbl(struct s5p_jpeg_ctx *ctx)
-{
-	struct s5p_jpeg *jpeg = ctx->jpeg;
-	struct vb2_v4l2_buffer *vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
-	struct s5p_jpeg_buffer jpeg_buffer;
-	unsigned int word;
-	int c, x, components;
-
-	jpeg_buffer.size = 2; /* Ls */
-	jpeg_buffer.data =
-		(unsigned long)vb2_plane_vaddr(&vb->vb2_buf, 0) + ctx->out_q.sos + 2;
-	jpeg_buffer.curr = 0;
-
-	word = 0;
-
-	if (get_word_be(&jpeg_buffer, &word))
-		return;
-	jpeg_buffer.size = (long)word - 2;
-	jpeg_buffer.data += 2;
-	jpeg_buffer.curr = 0;
-
-	components = get_byte(&jpeg_buffer);
-	if (components == -1)
-		return;
-	while (components--) {
-		c = get_byte(&jpeg_buffer);
-		if (c == -1)
-			return;
-		x = get_byte(&jpeg_buffer);
-		if (x == -1)
-			return;
-		exynos4_jpeg_select_dec_h_tbl(jpeg->regs, c,
-					(((x >> 4) & 0x1) << 1) | (x & 0x1));
-	}
-
-}
-
-static void exynos4_jpeg_parse_huff_tbl(struct s5p_jpeg_ctx *ctx)
-{
-	struct s5p_jpeg *jpeg = ctx->jpeg;
-	struct vb2_v4l2_buffer *vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
-	struct s5p_jpeg_buffer jpeg_buffer;
-	unsigned int word;
-	int c, i, n, j;
-
-	for (j = 0; j < ctx->out_q.dht.n; ++j) {
-		jpeg_buffer.size = ctx->out_q.dht.len[j];
-		jpeg_buffer.data = (unsigned long)vb2_plane_vaddr(&vb->vb2_buf, 0) +
-				   ctx->out_q.dht.marker[j];
-		jpeg_buffer.curr = 0;
-
-		word = 0;
-		while (jpeg_buffer.curr < jpeg_buffer.size) {
-			char id, class;
-
-			c = get_byte(&jpeg_buffer);
-			if (c == -1)
-				return;
-			id = c & 0xf;
-			class = (c >> 4) & 0xf;
-			n = 0;
-			for (i = 0; i < 16; ++i) {
-				c = get_byte(&jpeg_buffer);
-				if (c == -1)
-					return;
-				word |= c << ((i % 4) * 8);
-				if ((i + 1) % 4 == 0) {
-					writel(word, jpeg->regs +
-					exynos4_huff_tbl_len(class, id) +
-					(i / 4) * 4);
-					word = 0;
-				}
-				n += c;
-			}
-			word = 0;
-			for (i = 0; i < n; ++i) {
-				c = get_byte(&jpeg_buffer);
-				if (c == -1)
-					return;
-				word |= c << ((i % 4) * 8);
-				if ((i + 1) % 4 == 0) {
-					writel(word, jpeg->regs +
-					exynos4_huff_tbl_val(class, id) +
-					(i / 4) * 4);
-					word = 0;
-				}
-			}
-			if (i % 4) {
-				writel(word, jpeg->regs +
-				exynos4_huff_tbl_val(class, id) + (i / 4) * 4);
-			}
-			word = 0;
-		}
-	}
-}
-
-static void exynos4_jpeg_parse_decode_q_tbl(struct s5p_jpeg_ctx *ctx)
-{
-	struct s5p_jpeg *jpeg = ctx->jpeg;
-	struct vb2_v4l2_buffer *vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
-	struct s5p_jpeg_buffer jpeg_buffer;
-	int c, x, components;
-
-	jpeg_buffer.size = ctx->out_q.sof_len;
-	jpeg_buffer.data =
-		(unsigned long)vb2_plane_vaddr(&vb->vb2_buf, 0) + ctx->out_q.sof;
-	jpeg_buffer.curr = 0;
-
-	skip(&jpeg_buffer, 5); /* P, Y, X */
-	components = get_byte(&jpeg_buffer);
-	if (components == -1)
-		return;
-
-	exynos4_jpeg_set_dec_components(jpeg->regs, components);
-
-	while (components--) {
-		c = get_byte(&jpeg_buffer);
-		if (c == -1)
-			return;
-		skip(&jpeg_buffer, 1);
-		x = get_byte(&jpeg_buffer);
-		if (x == -1)
-			return;
-		exynos4_jpeg_select_dec_q_tbl(jpeg->regs, c, x);
-	}
-}
-
-static void exynos4_jpeg_parse_q_tbl(struct s5p_jpeg_ctx *ctx)
-{
-	struct s5p_jpeg *jpeg = ctx->jpeg;
-	struct vb2_v4l2_buffer *vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
-	struct s5p_jpeg_buffer jpeg_buffer;
-	unsigned int word;
-	int c, i, j;
-
-	for (j = 0; j < ctx->out_q.dqt.n; ++j) {
-		jpeg_buffer.size = ctx->out_q.dqt.len[j];
-		jpeg_buffer.data = (unsigned long)vb2_plane_vaddr(&vb->vb2_buf, 0) +
-				   ctx->out_q.dqt.marker[j];
-		jpeg_buffer.curr = 0;
-
-		word = 0;
-		while (jpeg_buffer.size - jpeg_buffer.curr >= 65) {
-			char id;
-
-			c = get_byte(&jpeg_buffer);
-			if (c == -1)
-				return;
-			id = c & 0xf;
-			/* nonzero means extended mode - not supported */
-			if ((c >> 4) & 0xf)
-				return;
-			for (i = 0; i < 64; ++i) {
-				c = get_byte(&jpeg_buffer);
-				if (c == -1)
-					return;
-				word |= c << ((i % 4) * 8);
-				if ((i + 1) % 4 == 0) {
-					writel(word, jpeg->regs +
-					EXYNOS4_QTBL_CONTENT(id) + (i / 4) * 4);
-					word = 0;
-				}
-			}
-			word = 0;
-		}
-	}
-}
-
-/*
- * ============================================================================
- * Device file operations
- * ============================================================================
- */
-
-static int queue_init(void *priv, struct vb2_queue *src_vq,
-		      struct vb2_queue *dst_vq);
-static struct s5p_jpeg_fmt *s5p_jpeg_find_format(struct s5p_jpeg_ctx *ctx,
-				__u32 pixelformat, unsigned int fmt_type);
-static int s5p_jpeg_controls_create(struct s5p_jpeg_ctx *ctx);
-
-static int s5p_jpeg_open(struct file *file)
-{
-	struct s5p_jpeg *jpeg = video_drvdata(file);
-	struct video_device *vfd = video_devdata(file);
-	struct s5p_jpeg_ctx *ctx;
-	struct s5p_jpeg_fmt *out_fmt, *cap_fmt;
-	int ret = 0;
-
-	ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
-	if (!ctx)
-		return -ENOMEM;
-
-	if (mutex_lock_interruptible(&jpeg->lock)) {
-		ret = -ERESTARTSYS;
-		goto free;
-	}
-
-	v4l2_fh_init(&ctx->fh, vfd);
-	/* Use separate control handler per file handle */
-	ctx->fh.ctrl_handler = &ctx->ctrl_handler;
-	file->private_data = &ctx->fh;
-	v4l2_fh_add(&ctx->fh);
-
-	ctx->jpeg = jpeg;
-	if (vfd == jpeg->vfd_encoder) {
-		ctx->mode = S5P_JPEG_ENCODE;
-		out_fmt = s5p_jpeg_find_format(ctx, V4L2_PIX_FMT_RGB565,
-							FMT_TYPE_OUTPUT);
-		cap_fmt = s5p_jpeg_find_format(ctx, V4L2_PIX_FMT_JPEG,
-							FMT_TYPE_CAPTURE);
-	} else {
-		ctx->mode = S5P_JPEG_DECODE;
-		out_fmt = s5p_jpeg_find_format(ctx, V4L2_PIX_FMT_JPEG,
-							FMT_TYPE_OUTPUT);
-		cap_fmt = s5p_jpeg_find_format(ctx, V4L2_PIX_FMT_YUYV,
-							FMT_TYPE_CAPTURE);
-		ctx->scale_factor = EXYNOS3250_DEC_SCALE_FACTOR_8_8;
-	}
-
-	ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(jpeg->m2m_dev, ctx, queue_init);
-	if (IS_ERR(ctx->fh.m2m_ctx)) {
-		ret = PTR_ERR(ctx->fh.m2m_ctx);
-		goto error;
-	}
-
-	ctx->out_q.fmt = out_fmt;
-	ctx->cap_q.fmt = cap_fmt;
-
-	ret = s5p_jpeg_controls_create(ctx);
-	if (ret < 0)
-		goto error;
-
-	mutex_unlock(&jpeg->lock);
-	return 0;
-
-error:
-	v4l2_fh_del(&ctx->fh);
-	v4l2_fh_exit(&ctx->fh);
-	mutex_unlock(&jpeg->lock);
-free:
-	kfree(ctx);
-	return ret;
-}
-
-static int s5p_jpeg_release(struct file *file)
-{
-	struct s5p_jpeg *jpeg = video_drvdata(file);
-	struct s5p_jpeg_ctx *ctx = fh_to_ctx(file->private_data);
-
-	mutex_lock(&jpeg->lock);
-	v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
-	v4l2_ctrl_handler_free(&ctx->ctrl_handler);
-	v4l2_fh_del(&ctx->fh);
-	v4l2_fh_exit(&ctx->fh);
-	kfree(ctx);
-	mutex_unlock(&jpeg->lock);
-
-	return 0;
-}
-
-static const struct v4l2_file_operations s5p_jpeg_fops = {
-	.owner		= THIS_MODULE,
-	.open		= s5p_jpeg_open,
-	.release	= s5p_jpeg_release,
-	.poll		= v4l2_m2m_fop_poll,
-	.unlocked_ioctl	= video_ioctl2,
-	.mmap		= v4l2_m2m_fop_mmap,
-};
-
-/*
- * ============================================================================
- * video ioctl operations
- * ============================================================================
- */
-
-static int get_byte(struct s5p_jpeg_buffer *buf)
-{
-	if (buf->curr >= buf->size)
-		return -1;
-
-	return ((unsigned char *)buf->data)[buf->curr++];
-}
-
-static int get_word_be(struct s5p_jpeg_buffer *buf, unsigned int *word)
-{
-	unsigned int temp;
-	int byte;
-
-	byte = get_byte(buf);
-	if (byte == -1)
-		return -1;
-	temp = byte << 8;
-	byte = get_byte(buf);
-	if (byte == -1)
-		return -1;
-	*word = (unsigned int)byte | temp;
-	return 0;
-}
-
-static void skip(struct s5p_jpeg_buffer *buf, long len)
-{
-	if (len <= 0)
-		return;
-
-	while (len--)
-		get_byte(buf);
-}
-
-static bool s5p_jpeg_subsampling_decode(struct s5p_jpeg_ctx *ctx,
-					unsigned int subsampling)
-{
-	unsigned int version;
-
-	switch (subsampling) {
-	case 0x11:
-		ctx->subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_444;
-		break;
-	case 0x21:
-		ctx->subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_422;
-		break;
-	case 0x22:
-		ctx->subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_420;
-		break;
-	case 0x33:
-		ctx->subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY;
-		break;
-	case 0x41:
-		/*
-		 * 4:1:1 subsampling only supported by 3250, 5420, and 5433
-		 * variants
-		 */
-		version = ctx->jpeg->variant->version;
-		if (version != SJPEG_EXYNOS3250 &&
-		    version != SJPEG_EXYNOS5420 &&
-		    version != SJPEG_EXYNOS5433)
-			return false;
-
-		ctx->subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_411;
-		break;
-	default:
-		return false;
-	}
-
-	return true;
-}
-
-static bool s5p_jpeg_parse_hdr(struct s5p_jpeg_q_data *result,
-			       unsigned long buffer, unsigned long size,
-			       struct s5p_jpeg_ctx *ctx)
-{
-	int c, components = 0, notfound, n_dht = 0, n_dqt = 0;
-	unsigned int height = 0, width = 0, word, subsampling = 0;
-	unsigned int sos = 0, sof = 0, sof_len = 0;
-	unsigned int dht[S5P_JPEG_MAX_MARKER], dht_len[S5P_JPEG_MAX_MARKER];
-	unsigned int dqt[S5P_JPEG_MAX_MARKER], dqt_len[S5P_JPEG_MAX_MARKER];
-	long length;
-	struct s5p_jpeg_buffer jpeg_buffer;
-
-	jpeg_buffer.size = size;
-	jpeg_buffer.data = buffer;
-	jpeg_buffer.curr = 0;
-
-	notfound = 1;
-	while (notfound || !sos) {
-		c = get_byte(&jpeg_buffer);
-		if (c == -1)
-			return false;
-		if (c != 0xff)
-			continue;
-		do
-			c = get_byte(&jpeg_buffer);
-		while (c == 0xff);
-		if (c == -1)
-			return false;
-		if (c == 0)
-			continue;
-		length = 0;
-		switch (c) {
-		/* JPEG_MARKER_SOF0: baseline JPEG */
-		case JPEG_MARKER_SOF0:
-			if (get_word_be(&jpeg_buffer, &word))
-				break;
-			length = (long)word - 2;
-			if (!length)
-				return false;
-			sof = jpeg_buffer.curr; /* after 0xffc0 */
-			sof_len = length;
-			if (get_byte(&jpeg_buffer) == -1)
-				break;
-			if (get_word_be(&jpeg_buffer, &height))
-				break;
-			if (get_word_be(&jpeg_buffer, &width))
-				break;
-			components = get_byte(&jpeg_buffer);
-			if (components == -1)
-				break;
-
-			if (components == 1) {
-				subsampling = 0x33;
-			} else {
-				skip(&jpeg_buffer, 1);
-				subsampling = get_byte(&jpeg_buffer);
-				skip(&jpeg_buffer, 1);
-			}
-			if (components > 3)
-				return false;
-			skip(&jpeg_buffer, components * 2);
-			notfound = 0;
-			break;
-
-		case JPEG_MARKER_DQT:
-			if (get_word_be(&jpeg_buffer, &word))
-				break;
-			length = (long)word - 2;
-			if (!length)
-				return false;
-			if (n_dqt >= S5P_JPEG_MAX_MARKER)
-				return false;
-			dqt[n_dqt] = jpeg_buffer.curr; /* after 0xffdb */
-			dqt_len[n_dqt++] = length;
-			skip(&jpeg_buffer, length);
-			break;
-
-		case JPEG_MARKER_DHT:
-			if (get_word_be(&jpeg_buffer, &word))
-				break;
-			length = (long)word - 2;
-			if (!length)
-				return false;
-			if (n_dht >= S5P_JPEG_MAX_MARKER)
-				return false;
-			dht[n_dht] = jpeg_buffer.curr; /* after 0xffc4 */
-			dht_len[n_dht++] = length;
-			skip(&jpeg_buffer, length);
-			break;
-
-		case JPEG_MARKER_SOS:
-			sos = jpeg_buffer.curr - 2; /* 0xffda */
-			break;
-
-		/* skip payload-less markers */
-		case JPEG_MARKER_RST ... JPEG_MARKER_RST + 7:
-		case JPEG_MARKER_SOI:
-		case JPEG_MARKER_EOI:
-		case JPEG_MARKER_TEM:
-			break;
-
-		/* skip uninteresting payload markers */
-		default:
-			if (get_word_be(&jpeg_buffer, &word))
-				break;
-			length = (long)word - 2;
-			skip(&jpeg_buffer, length);
-			break;
-		}
-	}
-
-	if (notfound || !sos || !s5p_jpeg_subsampling_decode(ctx, subsampling))
-		return false;
-
-	result->w = width;
-	result->h = height;
-	result->sos = sos;
-	result->dht.n = n_dht;
-	while (n_dht--) {
-		result->dht.marker[n_dht] = dht[n_dht];
-		result->dht.len[n_dht] = dht_len[n_dht];
-	}
-	result->dqt.n = n_dqt;
-	while (n_dqt--) {
-		result->dqt.marker[n_dqt] = dqt[n_dqt];
-		result->dqt.len[n_dqt] = dqt_len[n_dqt];
-	}
-	result->sof = sof;
-	result->sof_len = sof_len;
-
-	return true;
-}
-
-static int s5p_jpeg_querycap(struct file *file, void *priv,
-			   struct v4l2_capability *cap)
-{
-	struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv);
-
-	if (ctx->mode == S5P_JPEG_ENCODE) {
-		strscpy(cap->driver, S5P_JPEG_M2M_NAME,
-			sizeof(cap->driver));
-		strscpy(cap->card, S5P_JPEG_M2M_NAME " encoder",
-			sizeof(cap->card));
-	} else {
-		strscpy(cap->driver, S5P_JPEG_M2M_NAME,
-			sizeof(cap->driver));
-		strscpy(cap->card, S5P_JPEG_M2M_NAME " decoder",
-			sizeof(cap->card));
-	}
-	snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:%s",
-		 dev_name(ctx->jpeg->dev));
-	return 0;
-}
-
-static int enum_fmt(struct s5p_jpeg_ctx *ctx,
-		    struct s5p_jpeg_fmt *sjpeg_formats, int n,
-		    struct v4l2_fmtdesc *f, u32 type)
-{
-	int i, num = 0;
-	unsigned int fmt_ver_flag = ctx->jpeg->variant->fmt_ver_flag;
-
-	for (i = 0; i < n; ++i) {
-		if (sjpeg_formats[i].flags & type &&
-		    sjpeg_formats[i].flags & fmt_ver_flag) {
-			/* index-th format of type type found ? */
-			if (num == f->index)
-				break;
-			/* Correct type but haven't reached our index yet,
-			 * just increment per-type index
-			 */
-			++num;
-		}
-	}
-
-	/* Format not found */
-	if (i >= n)
-		return -EINVAL;
-
-	f->pixelformat = sjpeg_formats[i].fourcc;
-
-	return 0;
-}
-
-static int s5p_jpeg_enum_fmt_vid_cap(struct file *file, void *priv,
-				   struct v4l2_fmtdesc *f)
-{
-	struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv);
-
-	if (ctx->mode == S5P_JPEG_ENCODE)
-		return enum_fmt(ctx, sjpeg_formats, SJPEG_NUM_FORMATS, f,
-				SJPEG_FMT_FLAG_ENC_CAPTURE);
-
-	return enum_fmt(ctx, sjpeg_formats, SJPEG_NUM_FORMATS, f,
-			SJPEG_FMT_FLAG_DEC_CAPTURE);
-}
-
-static int s5p_jpeg_enum_fmt_vid_out(struct file *file, void *priv,
-				   struct v4l2_fmtdesc *f)
-{
-	struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv);
-
-	if (ctx->mode == S5P_JPEG_ENCODE)
-		return enum_fmt(ctx, sjpeg_formats, SJPEG_NUM_FORMATS, f,
-				SJPEG_FMT_FLAG_ENC_OUTPUT);
-
-	return enum_fmt(ctx, sjpeg_formats, SJPEG_NUM_FORMATS, f,
-			SJPEG_FMT_FLAG_DEC_OUTPUT);
-}
-
-static struct s5p_jpeg_q_data *get_q_data(struct s5p_jpeg_ctx *ctx,
-					  enum v4l2_buf_type type)
-{
-	if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
-		return &ctx->out_q;
-	if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
-		return &ctx->cap_q;
-
-	return NULL;
-}
-
-static int s5p_jpeg_g_fmt(struct file *file, void *priv, struct v4l2_format *f)
-{
-	struct vb2_queue *vq;
-	struct s5p_jpeg_q_data *q_data = NULL;
-	struct v4l2_pix_format *pix = &f->fmt.pix;
-	struct s5p_jpeg_ctx *ct = fh_to_ctx(priv);
-
-	vq = v4l2_m2m_get_vq(ct->fh.m2m_ctx, f->type);
-	if (!vq)
-		return -EINVAL;
-
-	if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE &&
-	    ct->mode == S5P_JPEG_DECODE && !ct->hdr_parsed)
-		return -EINVAL;
-	q_data = get_q_data(ct, f->type);
-	BUG_ON(q_data == NULL);
-
-	pix->width = q_data->w;
-	pix->height = q_data->h;
-	pix->field = V4L2_FIELD_NONE;
-	pix->pixelformat = q_data->fmt->fourcc;
-	pix->bytesperline = 0;
-	if (q_data->fmt->fourcc != V4L2_PIX_FMT_JPEG) {
-		u32 bpl = q_data->w;
-
-		if (q_data->fmt->colplanes == 1)
-			bpl = (bpl * q_data->fmt->depth) >> 3;
-		pix->bytesperline = bpl;
-	}
-	pix->sizeimage = q_data->size;
-
-	return 0;
-}
-
-static struct s5p_jpeg_fmt *s5p_jpeg_find_format(struct s5p_jpeg_ctx *ctx,
-				u32 pixelformat, unsigned int fmt_type)
-{
-	unsigned int k, fmt_flag;
-
-	if (ctx->mode == S5P_JPEG_ENCODE)
-		fmt_flag = (fmt_type == FMT_TYPE_OUTPUT) ?
-				SJPEG_FMT_FLAG_ENC_OUTPUT :
-				SJPEG_FMT_FLAG_ENC_CAPTURE;
-	else
-		fmt_flag = (fmt_type == FMT_TYPE_OUTPUT) ?
-				SJPEG_FMT_FLAG_DEC_OUTPUT :
-				SJPEG_FMT_FLAG_DEC_CAPTURE;
-
-	for (k = 0; k < ARRAY_SIZE(sjpeg_formats); k++) {
-		struct s5p_jpeg_fmt *fmt = &sjpeg_formats[k];
-
-		if (fmt->fourcc == pixelformat &&
-		    fmt->flags & fmt_flag &&
-		    fmt->flags & ctx->jpeg->variant->fmt_ver_flag) {
-			return fmt;
-		}
-	}
-
-	return NULL;
-}
-
-static void jpeg_bound_align_image(struct s5p_jpeg_ctx *ctx,
-				   u32 *w, unsigned int wmin, unsigned int wmax,
-				   unsigned int walign,
-				   u32 *h, unsigned int hmin, unsigned int hmax,
-				   unsigned int halign)
-{
-	int width, height, w_step, h_step;
-
-	width = *w;
-	height = *h;
-
-	w_step = 1 << walign;
-	h_step = 1 << halign;
-
-	if (ctx->jpeg->variant->hw3250_compat) {
-		/*
-		 * Rightmost and bottommost pixels are cropped by the
-		 * Exynos3250/compatible JPEG IP for RGB formats, for the
-		 * specific width and height values respectively. This
-		 * assignment will result in v4l_bound_align_image returning
-		 * dimensions reduced by 1 for the aforementioned cases.
-		 */
-		if (w_step == 4 && ((width & 3) == 1)) {
-			wmax = width;
-			hmax = height;
-		}
-	}
-
-	v4l_bound_align_image(w, wmin, wmax, walign, h, hmin, hmax, halign, 0);
-
-	if (*w < width && (*w + w_step) < wmax)
-		*w += w_step;
-	if (*h < height && (*h + h_step) < hmax)
-		*h += h_step;
-}
-
-static int vidioc_try_fmt(struct v4l2_format *f, struct s5p_jpeg_fmt *fmt,
-			  struct s5p_jpeg_ctx *ctx, int q_type)
-{
-	struct v4l2_pix_format *pix = &f->fmt.pix;
-
-	if (pix->field == V4L2_FIELD_ANY)
-		pix->field = V4L2_FIELD_NONE;
-	else if (pix->field != V4L2_FIELD_NONE)
-		return -EINVAL;
-
-	/* V4L2 specification suggests the driver corrects the format struct
-	 * if any of the dimensions is unsupported
-	 */
-	if (q_type == FMT_TYPE_OUTPUT)
-		jpeg_bound_align_image(ctx, &pix->width, S5P_JPEG_MIN_WIDTH,
-				       S5P_JPEG_MAX_WIDTH, 0,
-				       &pix->height, S5P_JPEG_MIN_HEIGHT,
-				       S5P_JPEG_MAX_HEIGHT, 0);
-	else
-		jpeg_bound_align_image(ctx, &pix->width, S5P_JPEG_MIN_WIDTH,
-				       S5P_JPEG_MAX_WIDTH, fmt->h_align,
-				       &pix->height, S5P_JPEG_MIN_HEIGHT,
-				       S5P_JPEG_MAX_HEIGHT, fmt->v_align);
-
-	if (fmt->fourcc == V4L2_PIX_FMT_JPEG) {
-		if (pix->sizeimage <= 0)
-			pix->sizeimage = PAGE_SIZE;
-		pix->bytesperline = 0;
-	} else {
-		u32 bpl = pix->bytesperline;
-
-		if (fmt->colplanes > 1 && bpl < pix->width)
-			bpl = pix->width; /* planar */
-
-		if (fmt->colplanes == 1 && /* packed */
-		    (bpl << 3) / fmt->depth < pix->width)
-			bpl = (pix->width * fmt->depth) >> 3;
-
-		pix->bytesperline = bpl;
-		pix->sizeimage = (pix->width * pix->height * fmt->depth) >> 3;
-	}
-
-	return 0;
-}
-
-static int s5p_jpeg_try_fmt_vid_cap(struct file *file, void *priv,
-				  struct v4l2_format *f)
-{
-	struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv);
-	struct v4l2_pix_format *pix = &f->fmt.pix;
-	struct s5p_jpeg_fmt *fmt;
-	int ret;
-
-	fmt = s5p_jpeg_find_format(ctx, f->fmt.pix.pixelformat,
-						FMT_TYPE_CAPTURE);
-	if (!fmt) {
-		v4l2_err(&ctx->jpeg->v4l2_dev,
-			 "Fourcc format (0x%08x) invalid.\n",
-			 f->fmt.pix.pixelformat);
-		return -EINVAL;
-	}
-
-	if (!ctx->jpeg->variant->hw_ex4_compat || ctx->mode != S5P_JPEG_DECODE)
-		goto exit;
-
-	/*
-	 * The exynos4x12 device requires resulting YUV image
-	 * subsampling not to be lower than the input jpeg subsampling.
-	 * If this requirement is not met then downgrade the requested
-	 * capture format to the one with subsampling equal to the input jpeg.
-	 */
-	if ((fmt->flags & SJPEG_FMT_NON_RGB) &&
-	    (fmt->subsampling < ctx->subsampling)) {
-		ret = s5p_jpeg_adjust_fourcc_to_subsampling(ctx->subsampling,
-							    fmt->fourcc,
-							    &pix->pixelformat,
-							    ctx);
-		if (ret < 0)
-			pix->pixelformat = V4L2_PIX_FMT_GREY;
-
-		fmt = s5p_jpeg_find_format(ctx, pix->pixelformat,
-							FMT_TYPE_CAPTURE);
-	}
-
-	/*
-	 * Decompression of a JPEG file with 4:2:0 subsampling and odd
-	 * width to the YUV 4:2:0 compliant formats produces a raw image
-	 * with broken luma component. Adjust capture format to RGB565
-	 * in such a case.
-	 */
-	if (ctx->subsampling == V4L2_JPEG_CHROMA_SUBSAMPLING_420 &&
-	    (ctx->out_q.w & 1) &&
-	    (pix->pixelformat == V4L2_PIX_FMT_NV12 ||
-	     pix->pixelformat == V4L2_PIX_FMT_NV21 ||
-	     pix->pixelformat == V4L2_PIX_FMT_YUV420)) {
-		pix->pixelformat = V4L2_PIX_FMT_RGB565;
-		fmt = s5p_jpeg_find_format(ctx, pix->pixelformat,
-							FMT_TYPE_CAPTURE);
-	}
-
-exit:
-	return vidioc_try_fmt(f, fmt, ctx, FMT_TYPE_CAPTURE);
-}
-
-static int s5p_jpeg_try_fmt_vid_out(struct file *file, void *priv,
-				  struct v4l2_format *f)
-{
-	struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv);
-	struct s5p_jpeg_fmt *fmt;
-
-	fmt = s5p_jpeg_find_format(ctx, f->fmt.pix.pixelformat,
-						FMT_TYPE_OUTPUT);
-	if (!fmt) {
-		v4l2_err(&ctx->jpeg->v4l2_dev,
-			 "Fourcc format (0x%08x) invalid.\n",
-			 f->fmt.pix.pixelformat);
-		return -EINVAL;
-	}
-
-	return vidioc_try_fmt(f, fmt, ctx, FMT_TYPE_OUTPUT);
-}
-
-static int exynos4_jpeg_get_output_buffer_size(struct s5p_jpeg_ctx *ctx,
-						struct v4l2_format *f,
-						int fmt_depth)
-{
-	struct v4l2_pix_format *pix = &f->fmt.pix;
-	u32 pix_fmt = f->fmt.pix.pixelformat;
-	int w = pix->width, h = pix->height, wh_align;
-	int padding = 0;
-
-	if (pix_fmt == V4L2_PIX_FMT_RGB32 ||
-	    pix_fmt == V4L2_PIX_FMT_RGB565 ||
-	    pix_fmt == V4L2_PIX_FMT_NV24 ||
-	    pix_fmt == V4L2_PIX_FMT_NV42 ||
-	    pix_fmt == V4L2_PIX_FMT_NV12 ||
-	    pix_fmt == V4L2_PIX_FMT_NV21 ||
-	    pix_fmt == V4L2_PIX_FMT_YUV420)
-		wh_align = 4;
-	else
-		wh_align = 1;
-
-	jpeg_bound_align_image(ctx, &w, S5P_JPEG_MIN_WIDTH,
-			       S5P_JPEG_MAX_WIDTH, wh_align,
-			       &h, S5P_JPEG_MIN_HEIGHT,
-			       S5P_JPEG_MAX_HEIGHT, wh_align);
-
-	if (ctx->jpeg->variant->version == SJPEG_EXYNOS4)
-		padding = PAGE_SIZE;
-
-	return (w * h * fmt_depth >> 3) + padding;
-}
-
-static int exynos3250_jpeg_try_downscale(struct s5p_jpeg_ctx *ctx,
-				   struct v4l2_rect *r);
-
-static int s5p_jpeg_s_fmt(struct s5p_jpeg_ctx *ct, struct v4l2_format *f)
-{
-	struct vb2_queue *vq;
-	struct s5p_jpeg_q_data *q_data = NULL;
-	struct v4l2_pix_format *pix = &f->fmt.pix;
-	struct v4l2_ctrl *ctrl_subs;
-	struct v4l2_rect scale_rect;
-	unsigned int f_type;
-
-	vq = v4l2_m2m_get_vq(ct->fh.m2m_ctx, f->type);
-	if (!vq)
-		return -EINVAL;
-
-	q_data = get_q_data(ct, f->type);
-	BUG_ON(q_data == NULL);
-
-	if (vb2_is_busy(vq)) {
-		v4l2_err(&ct->jpeg->v4l2_dev, "%s queue busy\n", __func__);
-		return -EBUSY;
-	}
-
-	f_type = V4L2_TYPE_IS_OUTPUT(f->type) ?
-			FMT_TYPE_OUTPUT : FMT_TYPE_CAPTURE;
-
-	q_data->fmt = s5p_jpeg_find_format(ct, pix->pixelformat, f_type);
-	if (ct->mode == S5P_JPEG_ENCODE ||
-		(ct->mode == S5P_JPEG_DECODE &&
-		q_data->fmt->fourcc != V4L2_PIX_FMT_JPEG)) {
-		q_data->w = pix->width;
-		q_data->h = pix->height;
-	}
-	if (q_data->fmt->fourcc != V4L2_PIX_FMT_JPEG) {
-		/*
-		 * During encoding Exynos4x12 SoCs access wider memory area
-		 * than it results from Image_x and Image_y values written to
-		 * the JPEG_IMAGE_SIZE register. In order to avoid sysmmu
-		 * page fault calculate proper buffer size in such a case.
-		 */
-		if (ct->jpeg->variant->hw_ex4_compat &&
-		    f_type == FMT_TYPE_OUTPUT && ct->mode == S5P_JPEG_ENCODE)
-			q_data->size = exynos4_jpeg_get_output_buffer_size(ct,
-							f,
-							q_data->fmt->depth);
-		else
-			q_data->size = q_data->w * q_data->h *
-						q_data->fmt->depth >> 3;
-	} else {
-		q_data->size = pix->sizeimage;
-	}
-
-	if (f_type == FMT_TYPE_OUTPUT) {
-		ctrl_subs = v4l2_ctrl_find(&ct->ctrl_handler,
-					V4L2_CID_JPEG_CHROMA_SUBSAMPLING);
-		if (ctrl_subs)
-			v4l2_ctrl_s_ctrl(ctrl_subs, q_data->fmt->subsampling);
-		ct->crop_altered = false;
-	}
-
-	/*
-	 * For decoding init crop_rect with capture buffer dimmensions which
-	 * contain aligned dimensions of the input JPEG image and do it only
-	 * if crop rectangle hasn't been altered by the user space e.g. with
-	 * S_SELECTION ioctl. For encoding assign output buffer dimensions.
-	 */
-	if (!ct->crop_altered &&
-	    ((ct->mode == S5P_JPEG_DECODE && f_type == FMT_TYPE_CAPTURE) ||
-	     (ct->mode == S5P_JPEG_ENCODE && f_type == FMT_TYPE_OUTPUT))) {
-		ct->crop_rect.width = pix->width;
-		ct->crop_rect.height = pix->height;
-	}
-
-	/*
-	 * Prevent downscaling to YUV420 format by more than 2
-	 * for Exynos3250/compatible SoC as it produces broken raw image
-	 * in such cases.
-	 */
-	if (ct->mode == S5P_JPEG_DECODE &&
-	    f_type == FMT_TYPE_CAPTURE &&
-	    ct->jpeg->variant->hw3250_compat &&
-	    pix->pixelformat == V4L2_PIX_FMT_YUV420 &&
-	    ct->scale_factor > 2) {
-		scale_rect.width = ct->out_q.w / 2;
-		scale_rect.height = ct->out_q.h / 2;
-		exynos3250_jpeg_try_downscale(ct, &scale_rect);
-	}
-
-	return 0;
-}
-
-static int s5p_jpeg_s_fmt_vid_cap(struct file *file, void *priv,
-				struct v4l2_format *f)
-{
-	int ret;
-
-	ret = s5p_jpeg_try_fmt_vid_cap(file, priv, f);
-	if (ret)
-		return ret;
-
-	return s5p_jpeg_s_fmt(fh_to_ctx(priv), f);
-}
-
-static int s5p_jpeg_s_fmt_vid_out(struct file *file, void *priv,
-				struct v4l2_format *f)
-{
-	int ret;
-
-	ret = s5p_jpeg_try_fmt_vid_out(file, priv, f);
-	if (ret)
-		return ret;
-
-	return s5p_jpeg_s_fmt(fh_to_ctx(priv), f);
-}
-
-static int s5p_jpeg_subscribe_event(struct v4l2_fh *fh,
-				    const struct v4l2_event_subscription *sub)
-{
-	if (sub->type == V4L2_EVENT_SOURCE_CHANGE)
-		return v4l2_src_change_event_subscribe(fh, sub);
-
-	return -EINVAL;
-}
-
-static int exynos3250_jpeg_try_downscale(struct s5p_jpeg_ctx *ctx,
-				   struct v4l2_rect *r)
-{
-	int w_ratio, h_ratio, scale_factor, cur_ratio, i;
-
-	w_ratio = ctx->out_q.w / r->width;
-	h_ratio = ctx->out_q.h / r->height;
-
-	scale_factor = w_ratio > h_ratio ? w_ratio : h_ratio;
-	scale_factor = clamp_val(scale_factor, 1, 8);
-
-	/* Align scale ratio to the nearest power of 2 */
-	for (i = 0; i <= 3; ++i) {
-		cur_ratio = 1 << i;
-		if (scale_factor <= cur_ratio) {
-			ctx->scale_factor = cur_ratio;
-			break;
-		}
-	}
-
-	r->width = round_down(ctx->out_q.w / ctx->scale_factor, 2);
-	r->height = round_down(ctx->out_q.h / ctx->scale_factor, 2);
-
-	ctx->crop_rect.width = r->width;
-	ctx->crop_rect.height = r->height;
-	ctx->crop_rect.left = 0;
-	ctx->crop_rect.top = 0;
-
-	ctx->crop_altered = true;
-
-	return 0;
-}
-
-static int exynos3250_jpeg_try_crop(struct s5p_jpeg_ctx *ctx,
-				   struct v4l2_rect *r)
-{
-	struct v4l2_rect base_rect;
-	int w_step, h_step;
-
-	switch (ctx->cap_q.fmt->fourcc) {
-	case V4L2_PIX_FMT_NV12:
-	case V4L2_PIX_FMT_NV21:
-		w_step = 1;
-		h_step = 2;
-		break;
-	case V4L2_PIX_FMT_YUV420:
-		w_step = 2;
-		h_step = 2;
-		break;
-	default:
-		w_step = 1;
-		h_step = 1;
-		break;
-	}
-
-	base_rect.top = 0;
-	base_rect.left = 0;
-	base_rect.width = ctx->out_q.w;
-	base_rect.height = ctx->out_q.h;
-
-	r->width = round_down(r->width, w_step);
-	r->height = round_down(r->height, h_step);
-	r->left = round_down(r->left, 2);
-	r->top = round_down(r->top, 2);
-
-	if (!v4l2_rect_enclosed(r, &base_rect))
-		return -EINVAL;
-
-	ctx->crop_rect.left = r->left;
-	ctx->crop_rect.top = r->top;
-	ctx->crop_rect.width = r->width;
-	ctx->crop_rect.height = r->height;
-
-	ctx->crop_altered = true;
-
-	return 0;
-}
-
-/*
- * V4L2 controls
- */
-
-static int s5p_jpeg_g_selection(struct file *file, void *priv,
-			 struct v4l2_selection *s)
-{
-	struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv);
-
-	if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT &&
-	    s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
-		return -EINVAL;
-
-	/* For JPEG blob active == default == bounds */
-	switch (s->target) {
-	case V4L2_SEL_TGT_CROP:
-	case V4L2_SEL_TGT_CROP_BOUNDS:
-	case V4L2_SEL_TGT_CROP_DEFAULT:
-	case V4L2_SEL_TGT_COMPOSE_DEFAULT:
-		s->r.width = ctx->out_q.w;
-		s->r.height = ctx->out_q.h;
-		s->r.left = 0;
-		s->r.top = 0;
-		break;
-	case V4L2_SEL_TGT_COMPOSE:
-	case V4L2_SEL_TGT_COMPOSE_BOUNDS:
-	case V4L2_SEL_TGT_COMPOSE_PADDED:
-		s->r.width = ctx->crop_rect.width;
-		s->r.height =  ctx->crop_rect.height;
-		s->r.left = ctx->crop_rect.left;
-		s->r.top = ctx->crop_rect.top;
-		break;
-	default:
-		return -EINVAL;
-	}
-	return 0;
-}
-
-/*
- * V4L2 controls
- */
-static int s5p_jpeg_s_selection(struct file *file, void *fh,
-				  struct v4l2_selection *s)
-{
-	struct s5p_jpeg_ctx *ctx = fh_to_ctx(file->private_data);
-	struct v4l2_rect *rect = &s->r;
-	int ret = -EINVAL;
-
-	if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
-		return -EINVAL;
-
-	if (s->target == V4L2_SEL_TGT_COMPOSE) {
-		if (ctx->mode != S5P_JPEG_DECODE)
-			return -EINVAL;
-		if (ctx->jpeg->variant->hw3250_compat)
-			ret = exynos3250_jpeg_try_downscale(ctx, rect);
-	} else if (s->target == V4L2_SEL_TGT_CROP) {
-		if (ctx->mode != S5P_JPEG_ENCODE)
-			return -EINVAL;
-		if (ctx->jpeg->variant->hw3250_compat)
-			ret = exynos3250_jpeg_try_crop(ctx, rect);
-	}
-
-	return ret;
-}
-
-static int s5p_jpeg_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
-{
-	struct s5p_jpeg_ctx *ctx = ctrl_to_ctx(ctrl);
-	struct s5p_jpeg *jpeg = ctx->jpeg;
-	unsigned long flags;
-
-	switch (ctrl->id) {
-	case V4L2_CID_JPEG_CHROMA_SUBSAMPLING:
-		spin_lock_irqsave(&jpeg->slock, flags);
-		ctrl->val = s5p_jpeg_to_user_subsampling(ctx);
-		spin_unlock_irqrestore(&jpeg->slock, flags);
-		break;
-	}
-
-	return 0;
-}
-
-static int s5p_jpeg_adjust_subs_ctrl(struct s5p_jpeg_ctx *ctx, int *ctrl_val)
-{
-	switch (ctx->jpeg->variant->version) {
-	case SJPEG_S5P:
-		return 0;
-	case SJPEG_EXYNOS3250:
-	case SJPEG_EXYNOS5420:
-		/*
-		 * The exynos3250/compatible device can produce JPEG image only
-		 * of 4:4:4 subsampling when given RGB32 source image.
-		 */
-		if (ctx->out_q.fmt->fourcc == V4L2_PIX_FMT_RGB32)
-			*ctrl_val = 0;
-		break;
-	case SJPEG_EXYNOS4:
-		/*
-		 * The exynos4x12 device requires input raw image fourcc
-		 * to be V4L2_PIX_FMT_GREY if gray jpeg format
-		 * is to be set.
-		 */
-		if (ctx->out_q.fmt->fourcc != V4L2_PIX_FMT_GREY &&
-		    *ctrl_val == V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY)
-			return -EINVAL;
-		break;
-	}
-
-	/*
-	 * The exynos4x12 and exynos3250/compatible devices require resulting
-	 * jpeg subsampling not to be lower than the input raw image
-	 * subsampling.
-	 */
-	if (ctx->out_q.fmt->subsampling > *ctrl_val)
-		*ctrl_val = ctx->out_q.fmt->subsampling;
-
-	return 0;
-}
-
-static int s5p_jpeg_try_ctrl(struct v4l2_ctrl *ctrl)
-{
-	struct s5p_jpeg_ctx *ctx = ctrl_to_ctx(ctrl);
-	unsigned long flags;
-	int ret = 0;
-
-	spin_lock_irqsave(&ctx->jpeg->slock, flags);
-
-	if (ctrl->id == V4L2_CID_JPEG_CHROMA_SUBSAMPLING)
-		ret = s5p_jpeg_adjust_subs_ctrl(ctx, &ctrl->val);
-
-	spin_unlock_irqrestore(&ctx->jpeg->slock, flags);
-	return ret;
-}
-
-static int s5p_jpeg_s_ctrl(struct v4l2_ctrl *ctrl)
-{
-	struct s5p_jpeg_ctx *ctx = ctrl_to_ctx(ctrl);
-	unsigned long flags;
-
-	spin_lock_irqsave(&ctx->jpeg->slock, flags);
-
-	switch (ctrl->id) {
-	case V4L2_CID_JPEG_COMPRESSION_QUALITY:
-		ctx->compr_quality = ctrl->val;
-		break;
-	case V4L2_CID_JPEG_RESTART_INTERVAL:
-		ctx->restart_interval = ctrl->val;
-		break;
-	case V4L2_CID_JPEG_CHROMA_SUBSAMPLING:
-		ctx->subsampling = ctrl->val;
-		break;
-	}
-
-	spin_unlock_irqrestore(&ctx->jpeg->slock, flags);
-	return 0;
-}
-
-static const struct v4l2_ctrl_ops s5p_jpeg_ctrl_ops = {
-	.g_volatile_ctrl	= s5p_jpeg_g_volatile_ctrl,
-	.try_ctrl		= s5p_jpeg_try_ctrl,
-	.s_ctrl			= s5p_jpeg_s_ctrl,
-};
-
-static int s5p_jpeg_controls_create(struct s5p_jpeg_ctx *ctx)
-{
-	unsigned int mask = ~0x27; /* 444, 422, 420, GRAY */
-	struct v4l2_ctrl *ctrl;
-	int ret;
-
-	v4l2_ctrl_handler_init(&ctx->ctrl_handler, 3);
-
-	if (ctx->mode == S5P_JPEG_ENCODE) {
-		v4l2_ctrl_new_std(&ctx->ctrl_handler, &s5p_jpeg_ctrl_ops,
-				  V4L2_CID_JPEG_COMPRESSION_QUALITY,
-				  0, 3, 1, S5P_JPEG_COMPR_QUAL_WORST);
-
-		v4l2_ctrl_new_std(&ctx->ctrl_handler, &s5p_jpeg_ctrl_ops,
-				  V4L2_CID_JPEG_RESTART_INTERVAL,
-				  0, 0xffff, 1, 0);
-		if (ctx->jpeg->variant->version == SJPEG_S5P)
-			mask = ~0x06; /* 422, 420 */
-	}
-
-	ctrl = v4l2_ctrl_new_std_menu(&ctx->ctrl_handler, &s5p_jpeg_ctrl_ops,
-				      V4L2_CID_JPEG_CHROMA_SUBSAMPLING,
-				      V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY, mask,
-				      V4L2_JPEG_CHROMA_SUBSAMPLING_422);
-
-	if (ctx->ctrl_handler.error) {
-		ret = ctx->ctrl_handler.error;
-		goto error_free;
-	}
-
-	if (ctx->mode == S5P_JPEG_DECODE)
-		ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE |
-			V4L2_CTRL_FLAG_READ_ONLY;
-
-	ret = v4l2_ctrl_handler_setup(&ctx->ctrl_handler);
-	if (ret < 0)
-		goto error_free;
-
-	return ret;
-
-error_free:
-	v4l2_ctrl_handler_free(&ctx->ctrl_handler);
-	return ret;
-}
-
-static const struct v4l2_ioctl_ops s5p_jpeg_ioctl_ops = {
-	.vidioc_querycap		= s5p_jpeg_querycap,
-
-	.vidioc_enum_fmt_vid_cap	= s5p_jpeg_enum_fmt_vid_cap,
-	.vidioc_enum_fmt_vid_out	= s5p_jpeg_enum_fmt_vid_out,
-
-	.vidioc_g_fmt_vid_cap		= s5p_jpeg_g_fmt,
-	.vidioc_g_fmt_vid_out		= s5p_jpeg_g_fmt,
-
-	.vidioc_try_fmt_vid_cap		= s5p_jpeg_try_fmt_vid_cap,
-	.vidioc_try_fmt_vid_out		= s5p_jpeg_try_fmt_vid_out,
-
-	.vidioc_s_fmt_vid_cap		= s5p_jpeg_s_fmt_vid_cap,
-	.vidioc_s_fmt_vid_out		= s5p_jpeg_s_fmt_vid_out,
-
-	.vidioc_reqbufs			= v4l2_m2m_ioctl_reqbufs,
-	.vidioc_querybuf		= v4l2_m2m_ioctl_querybuf,
-	.vidioc_qbuf			= v4l2_m2m_ioctl_qbuf,
-	.vidioc_dqbuf			= v4l2_m2m_ioctl_dqbuf,
-
-	.vidioc_streamon		= v4l2_m2m_ioctl_streamon,
-	.vidioc_streamoff		= v4l2_m2m_ioctl_streamoff,
-
-	.vidioc_g_selection		= s5p_jpeg_g_selection,
-	.vidioc_s_selection		= s5p_jpeg_s_selection,
-
-	.vidioc_subscribe_event		= s5p_jpeg_subscribe_event,
-	.vidioc_unsubscribe_event	= v4l2_event_unsubscribe,
-};
-
-/*
- * ============================================================================
- * mem2mem callbacks
- * ============================================================================
- */
-
-static void s5p_jpeg_device_run(void *priv)
-{
-	struct s5p_jpeg_ctx *ctx = priv;
-	struct s5p_jpeg *jpeg = ctx->jpeg;
-	struct vb2_v4l2_buffer *src_buf, *dst_buf;
-	unsigned long src_addr, dst_addr, flags;
-
-	spin_lock_irqsave(&ctx->jpeg->slock, flags);
-
-	src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
-	dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
-	src_addr = vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, 0);
-	dst_addr = vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 0);
-
-	s5p_jpeg_reset(jpeg->regs);
-	s5p_jpeg_poweron(jpeg->regs);
-	s5p_jpeg_proc_mode(jpeg->regs, ctx->mode);
-	if (ctx->mode == S5P_JPEG_ENCODE) {
-		if (ctx->out_q.fmt->fourcc == V4L2_PIX_FMT_RGB565)
-			s5p_jpeg_input_raw_mode(jpeg->regs,
-							S5P_JPEG_RAW_IN_565);
-		else
-			s5p_jpeg_input_raw_mode(jpeg->regs,
-							S5P_JPEG_RAW_IN_422);
-		s5p_jpeg_subsampling_mode(jpeg->regs, ctx->subsampling);
-		s5p_jpeg_dri(jpeg->regs, ctx->restart_interval);
-		s5p_jpeg_x(jpeg->regs, ctx->out_q.w);
-		s5p_jpeg_y(jpeg->regs, ctx->out_q.h);
-		s5p_jpeg_imgadr(jpeg->regs, src_addr);
-		s5p_jpeg_jpgadr(jpeg->regs, dst_addr);
-
-		/* ultimately comes from sizeimage from userspace */
-		s5p_jpeg_enc_stream_int(jpeg->regs, ctx->cap_q.size);
-
-		/* JPEG RGB to YCbCr conversion matrix */
-		s5p_jpeg_coef(jpeg->regs, 1, 1, S5P_JPEG_COEF11);
-		s5p_jpeg_coef(jpeg->regs, 1, 2, S5P_JPEG_COEF12);
-		s5p_jpeg_coef(jpeg->regs, 1, 3, S5P_JPEG_COEF13);
-		s5p_jpeg_coef(jpeg->regs, 2, 1, S5P_JPEG_COEF21);
-		s5p_jpeg_coef(jpeg->regs, 2, 2, S5P_JPEG_COEF22);
-		s5p_jpeg_coef(jpeg->regs, 2, 3, S5P_JPEG_COEF23);
-		s5p_jpeg_coef(jpeg->regs, 3, 1, S5P_JPEG_COEF31);
-		s5p_jpeg_coef(jpeg->regs, 3, 2, S5P_JPEG_COEF32);
-		s5p_jpeg_coef(jpeg->regs, 3, 3, S5P_JPEG_COEF33);
-
-		/*
-		 * JPEG IP allows storing 4 quantization tables
-		 * We fill table 0 for luma and table 1 for chroma
-		 */
-		s5p_jpeg_set_qtbl_lum(jpeg->regs, ctx->compr_quality);
-		s5p_jpeg_set_qtbl_chr(jpeg->regs, ctx->compr_quality);
-		/* use table 0 for Y */
-		s5p_jpeg_qtbl(jpeg->regs, 1, 0);
-		/* use table 1 for Cb and Cr*/
-		s5p_jpeg_qtbl(jpeg->regs, 2, 1);
-		s5p_jpeg_qtbl(jpeg->regs, 3, 1);
-
-		/* Y, Cb, Cr use Huffman table 0 */
-		s5p_jpeg_htbl_ac(jpeg->regs, 1);
-		s5p_jpeg_htbl_dc(jpeg->regs, 1);
-		s5p_jpeg_htbl_ac(jpeg->regs, 2);
-		s5p_jpeg_htbl_dc(jpeg->regs, 2);
-		s5p_jpeg_htbl_ac(jpeg->regs, 3);
-		s5p_jpeg_htbl_dc(jpeg->regs, 3);
-	} else { /* S5P_JPEG_DECODE */
-		s5p_jpeg_rst_int_enable(jpeg->regs, true);
-		s5p_jpeg_data_num_int_enable(jpeg->regs, true);
-		s5p_jpeg_final_mcu_num_int_enable(jpeg->regs, true);
-		if (ctx->cap_q.fmt->fourcc == V4L2_PIX_FMT_YUYV)
-			s5p_jpeg_outform_raw(jpeg->regs, S5P_JPEG_RAW_OUT_422);
-		else
-			s5p_jpeg_outform_raw(jpeg->regs, S5P_JPEG_RAW_OUT_420);
-		s5p_jpeg_jpgadr(jpeg->regs, src_addr);
-		s5p_jpeg_imgadr(jpeg->regs, dst_addr);
-	}
-
-	s5p_jpeg_start(jpeg->regs);
-
-	spin_unlock_irqrestore(&ctx->jpeg->slock, flags);
-}
-
-static void exynos4_jpeg_set_img_addr(struct s5p_jpeg_ctx *ctx)
-{
-	struct s5p_jpeg *jpeg = ctx->jpeg;
-	struct s5p_jpeg_fmt *fmt;
-	struct vb2_v4l2_buffer *vb;
-	struct s5p_jpeg_addr jpeg_addr = {};
-	u32 pix_size, padding_bytes = 0;
-
-	jpeg_addr.cb = 0;
-	jpeg_addr.cr = 0;
-
-	pix_size = ctx->cap_q.w * ctx->cap_q.h;
-
-	if (ctx->mode == S5P_JPEG_ENCODE) {
-		vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
-		fmt = ctx->out_q.fmt;
-		if (ctx->out_q.w % 2 && fmt->h_align > 0)
-			padding_bytes = ctx->out_q.h;
-	} else {
-		fmt = ctx->cap_q.fmt;
-		vb = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
-	}
-
-	jpeg_addr.y = vb2_dma_contig_plane_dma_addr(&vb->vb2_buf, 0);
-
-	if (fmt->colplanes == 2) {
-		jpeg_addr.cb = jpeg_addr.y + pix_size - padding_bytes;
-	} else if (fmt->colplanes == 3) {
-		jpeg_addr.cb = jpeg_addr.y + pix_size;
-		if (fmt->fourcc == V4L2_PIX_FMT_YUV420)
-			jpeg_addr.cr = jpeg_addr.cb + pix_size / 4;
-		else
-			jpeg_addr.cr = jpeg_addr.cb + pix_size / 2;
-	}
-
-	exynos4_jpeg_set_frame_buf_address(jpeg->regs, &jpeg_addr);
-}
-
-static void exynos4_jpeg_set_jpeg_addr(struct s5p_jpeg_ctx *ctx)
-{
-	struct s5p_jpeg *jpeg = ctx->jpeg;
-	struct vb2_v4l2_buffer *vb;
-	unsigned int jpeg_addr = 0;
-
-	if (ctx->mode == S5P_JPEG_ENCODE)
-		vb = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
-	else
-		vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
-
-	jpeg_addr = vb2_dma_contig_plane_dma_addr(&vb->vb2_buf, 0);
-	if (jpeg->variant->version == SJPEG_EXYNOS5433 &&
-	    ctx->mode == S5P_JPEG_DECODE)
-		jpeg_addr += ctx->out_q.sos;
-	exynos4_jpeg_set_stream_buf_address(jpeg->regs, jpeg_addr);
-}
-
-static inline void exynos4_jpeg_set_img_fmt(void __iomem *base,
-					    unsigned int img_fmt)
-{
-	__exynos4_jpeg_set_img_fmt(base, img_fmt, SJPEG_EXYNOS4);
-}
-
-static inline void exynos5433_jpeg_set_img_fmt(void __iomem *base,
-					       unsigned int img_fmt)
-{
-	__exynos4_jpeg_set_img_fmt(base, img_fmt, SJPEG_EXYNOS5433);
-}
-
-static inline void exynos4_jpeg_set_enc_out_fmt(void __iomem *base,
-						unsigned int out_fmt)
-{
-	__exynos4_jpeg_set_enc_out_fmt(base, out_fmt, SJPEG_EXYNOS4);
-}
-
-static inline void exynos5433_jpeg_set_enc_out_fmt(void __iomem *base,
-						   unsigned int out_fmt)
-{
-	__exynos4_jpeg_set_enc_out_fmt(base, out_fmt, SJPEG_EXYNOS5433);
-}
-
-static void exynos4_jpeg_device_run(void *priv)
-{
-	struct s5p_jpeg_ctx *ctx = priv;
-	struct s5p_jpeg *jpeg = ctx->jpeg;
-	unsigned int bitstream_size;
-	unsigned long flags;
-
-	spin_lock_irqsave(&jpeg->slock, flags);
-
-	if (ctx->mode == S5P_JPEG_ENCODE) {
-		exynos4_jpeg_sw_reset(jpeg->regs);
-		exynos4_jpeg_set_interrupt(jpeg->regs, jpeg->variant->version);
-		exynos4_jpeg_set_huf_table_enable(jpeg->regs, 1);
-
-		exynos4_jpeg_set_huff_tbl(jpeg->regs);
-
-		/*
-		 * JPEG IP allows storing 4 quantization tables
-		 * We fill table 0 for luma and table 1 for chroma
-		 */
-		exynos4_jpeg_set_qtbl_lum(jpeg->regs, ctx->compr_quality);
-		exynos4_jpeg_set_qtbl_chr(jpeg->regs, ctx->compr_quality);
-
-		exynos4_jpeg_set_encode_tbl_select(jpeg->regs,
-							ctx->compr_quality);
-		exynos4_jpeg_set_stream_size(jpeg->regs, ctx->cap_q.w,
-							ctx->cap_q.h);
-
-		if (ctx->jpeg->variant->version == SJPEG_EXYNOS4) {
-			exynos4_jpeg_set_enc_out_fmt(jpeg->regs,
-						     ctx->subsampling);
-			exynos4_jpeg_set_img_fmt(jpeg->regs,
-						 ctx->out_q.fmt->fourcc);
-		} else {
-			exynos5433_jpeg_set_enc_out_fmt(jpeg->regs,
-							ctx->subsampling);
-			exynos5433_jpeg_set_img_fmt(jpeg->regs,
-						    ctx->out_q.fmt->fourcc);
-		}
-		exynos4_jpeg_set_img_addr(ctx);
-		exynos4_jpeg_set_jpeg_addr(ctx);
-		exynos4_jpeg_set_encode_hoff_cnt(jpeg->regs,
-							ctx->out_q.fmt->fourcc);
-	} else {
-		exynos4_jpeg_sw_reset(jpeg->regs);
-		exynos4_jpeg_set_interrupt(jpeg->regs,
-					   jpeg->variant->version);
-		exynos4_jpeg_set_img_addr(ctx);
-		exynos4_jpeg_set_jpeg_addr(ctx);
-
-		if (jpeg->variant->version == SJPEG_EXYNOS5433) {
-			exynos4_jpeg_parse_huff_tbl(ctx);
-			exynos4_jpeg_parse_decode_h_tbl(ctx);
-
-			exynos4_jpeg_parse_q_tbl(ctx);
-			exynos4_jpeg_parse_decode_q_tbl(ctx);
-
-			exynos4_jpeg_set_huf_table_enable(jpeg->regs, 1);
-
-			exynos4_jpeg_set_stream_size(jpeg->regs, ctx->cap_q.w,
-					ctx->cap_q.h);
-			exynos5433_jpeg_set_enc_out_fmt(jpeg->regs,
-							ctx->subsampling);
-			exynos5433_jpeg_set_img_fmt(jpeg->regs,
-						    ctx->cap_q.fmt->fourcc);
-			bitstream_size = DIV_ROUND_UP(ctx->out_q.size, 16);
-		} else {
-			exynos4_jpeg_set_img_fmt(jpeg->regs,
-						 ctx->cap_q.fmt->fourcc);
-			bitstream_size = DIV_ROUND_UP(ctx->out_q.size, 32);
-		}
-
-		exynos4_jpeg_set_dec_bitstream_size(jpeg->regs, bitstream_size);
-	}
-
-	exynos4_jpeg_set_sys_int_enable(jpeg->regs, 1);
-	exynos4_jpeg_set_enc_dec_mode(jpeg->regs, ctx->mode);
-
-	spin_unlock_irqrestore(&jpeg->slock, flags);
-}
-
-static void exynos3250_jpeg_set_img_addr(struct s5p_jpeg_ctx *ctx)
-{
-	struct s5p_jpeg *jpeg = ctx->jpeg;
-	struct s5p_jpeg_fmt *fmt;
-	struct vb2_v4l2_buffer *vb;
-	struct s5p_jpeg_addr jpeg_addr = {};
-	u32 pix_size;
-
-	pix_size = ctx->cap_q.w * ctx->cap_q.h;
-
-	if (ctx->mode == S5P_JPEG_ENCODE) {
-		vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
-		fmt = ctx->out_q.fmt;
-	} else {
-		vb = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
-		fmt = ctx->cap_q.fmt;
-	}
-
-	jpeg_addr.y = vb2_dma_contig_plane_dma_addr(&vb->vb2_buf, 0);
-
-	if (fmt->colplanes == 2) {
-		jpeg_addr.cb = jpeg_addr.y + pix_size;
-	} else if (fmt->colplanes == 3) {
-		jpeg_addr.cb = jpeg_addr.y + pix_size;
-		if (fmt->fourcc == V4L2_PIX_FMT_YUV420)
-			jpeg_addr.cr = jpeg_addr.cb + pix_size / 4;
-		else
-			jpeg_addr.cr = jpeg_addr.cb + pix_size / 2;
-	}
-
-	exynos3250_jpeg_imgadr(jpeg->regs, &jpeg_addr);
-}
-
-static void exynos3250_jpeg_set_jpeg_addr(struct s5p_jpeg_ctx *ctx)
-{
-	struct s5p_jpeg *jpeg = ctx->jpeg;
-	struct vb2_v4l2_buffer *vb;
-	unsigned int jpeg_addr = 0;
-
-	if (ctx->mode == S5P_JPEG_ENCODE)
-		vb = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
-	else
-		vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
-
-	jpeg_addr = vb2_dma_contig_plane_dma_addr(&vb->vb2_buf, 0);
-	exynos3250_jpeg_jpgadr(jpeg->regs, jpeg_addr);
-}
-
-static void exynos3250_jpeg_device_run(void *priv)
-{
-	struct s5p_jpeg_ctx *ctx = priv;
-	struct s5p_jpeg *jpeg = ctx->jpeg;
-	unsigned long flags;
-
-	spin_lock_irqsave(&ctx->jpeg->slock, flags);
-
-	exynos3250_jpeg_reset(jpeg->regs);
-	exynos3250_jpeg_set_dma_num(jpeg->regs);
-	exynos3250_jpeg_poweron(jpeg->regs);
-	exynos3250_jpeg_clk_set(jpeg->regs);
-	exynos3250_jpeg_proc_mode(jpeg->regs, ctx->mode);
-
-	if (ctx->mode == S5P_JPEG_ENCODE) {
-		exynos3250_jpeg_input_raw_fmt(jpeg->regs,
-					      ctx->out_q.fmt->fourcc);
-		exynos3250_jpeg_dri(jpeg->regs, ctx->restart_interval);
-
-		/*
-		 * JPEG IP allows storing 4 quantization tables
-		 * We fill table 0 for luma and table 1 for chroma
-		 */
-		s5p_jpeg_set_qtbl_lum(jpeg->regs, ctx->compr_quality);
-		s5p_jpeg_set_qtbl_chr(jpeg->regs, ctx->compr_quality);
-		/* use table 0 for Y */
-		exynos3250_jpeg_qtbl(jpeg->regs, 1, 0);
-		/* use table 1 for Cb and Cr*/
-		exynos3250_jpeg_qtbl(jpeg->regs, 2, 1);
-		exynos3250_jpeg_qtbl(jpeg->regs, 3, 1);
-
-		/*
-		 * Some SoCs require setting Huffman tables before each run
-		 */
-		if (jpeg->variant->htbl_reinit) {
-			s5p_jpeg_set_hdctbl(jpeg->regs);
-			s5p_jpeg_set_hdctblg(jpeg->regs);
-			s5p_jpeg_set_hactbl(jpeg->regs);
-			s5p_jpeg_set_hactblg(jpeg->regs);
-		}
-
-		/* Y, Cb, Cr use Huffman table 0 */
-		exynos3250_jpeg_htbl_ac(jpeg->regs, 1);
-		exynos3250_jpeg_htbl_dc(jpeg->regs, 1);
-		exynos3250_jpeg_htbl_ac(jpeg->regs, 2);
-		exynos3250_jpeg_htbl_dc(jpeg->regs, 2);
-		exynos3250_jpeg_htbl_ac(jpeg->regs, 3);
-		exynos3250_jpeg_htbl_dc(jpeg->regs, 3);
-
-		exynos3250_jpeg_set_x(jpeg->regs, ctx->crop_rect.width);
-		exynos3250_jpeg_set_y(jpeg->regs, ctx->crop_rect.height);
-		exynos3250_jpeg_stride(jpeg->regs, ctx->out_q.fmt->fourcc,
-								ctx->out_q.w);
-		exynos3250_jpeg_offset(jpeg->regs, ctx->crop_rect.left,
-							ctx->crop_rect.top);
-		exynos3250_jpeg_set_img_addr(ctx);
-		exynos3250_jpeg_set_jpeg_addr(ctx);
-		exynos3250_jpeg_subsampling_mode(jpeg->regs, ctx->subsampling);
-
-		/* ultimately comes from sizeimage from userspace */
-		exynos3250_jpeg_enc_stream_bound(jpeg->regs, ctx->cap_q.size);
-
-		if (ctx->out_q.fmt->fourcc == V4L2_PIX_FMT_RGB565 ||
-		    ctx->out_q.fmt->fourcc == V4L2_PIX_FMT_RGB565X ||
-		    ctx->out_q.fmt->fourcc == V4L2_PIX_FMT_RGB32)
-			exynos3250_jpeg_set_y16(jpeg->regs, true);
-	} else {
-		exynos3250_jpeg_set_img_addr(ctx);
-		exynos3250_jpeg_set_jpeg_addr(ctx);
-		exynos3250_jpeg_stride(jpeg->regs, ctx->cap_q.fmt->fourcc,
-								ctx->cap_q.w);
-		exynos3250_jpeg_offset(jpeg->regs, 0, 0);
-		exynos3250_jpeg_dec_scaling_ratio(jpeg->regs,
-							ctx->scale_factor);
-		exynos3250_jpeg_dec_stream_size(jpeg->regs, ctx->out_q.size);
-		exynos3250_jpeg_output_raw_fmt(jpeg->regs,
-						ctx->cap_q.fmt->fourcc);
-	}
-
-	exynos3250_jpeg_interrupts_enable(jpeg->regs);
-
-	/* JPEG RGB to YCbCr conversion matrix */
-	exynos3250_jpeg_coef(jpeg->regs, ctx->mode);
-
-	exynos3250_jpeg_set_timer(jpeg->regs, EXYNOS3250_IRQ_TIMEOUT);
-	jpeg->irq_status = 0;
-	exynos3250_jpeg_start(jpeg->regs);
-
-	spin_unlock_irqrestore(&ctx->jpeg->slock, flags);
-}
-
-static int s5p_jpeg_job_ready(void *priv)
-{
-	struct s5p_jpeg_ctx *ctx = priv;
-
-	if (ctx->mode == S5P_JPEG_DECODE) {
-		/*
-		 * We have only one input buffer and one output buffer. If there
-		 * is a resolution change event, no need to continue decoding.
-		 */
-		if (ctx->state == JPEGCTX_RESOLUTION_CHANGE)
-			return 0;
-
-		return ctx->hdr_parsed;
-	}
-
-	return 1;
-}
-
-static const struct v4l2_m2m_ops s5p_jpeg_m2m_ops = {
-	.device_run	= s5p_jpeg_device_run,
-	.job_ready	= s5p_jpeg_job_ready,
-};
-
-static const struct v4l2_m2m_ops exynos3250_jpeg_m2m_ops = {
-	.device_run	= exynos3250_jpeg_device_run,
-	.job_ready	= s5p_jpeg_job_ready,
-};
-
-static const struct v4l2_m2m_ops exynos4_jpeg_m2m_ops = {
-	.device_run	= exynos4_jpeg_device_run,
-	.job_ready	= s5p_jpeg_job_ready,
-};
-
-/*
- * ============================================================================
- * Queue operations
- * ============================================================================
- */
-
-static int s5p_jpeg_queue_setup(struct vb2_queue *vq,
-			   unsigned int *nbuffers, unsigned int *nplanes,
-			   unsigned int sizes[], struct device *alloc_devs[])
-{
-	struct s5p_jpeg_ctx *ctx = vb2_get_drv_priv(vq);
-	struct s5p_jpeg_q_data *q_data = NULL;
-	unsigned int size, count = *nbuffers;
-
-	q_data = get_q_data(ctx, vq->type);
-	BUG_ON(q_data == NULL);
-
-	size = q_data->size;
-
-	/*
-	 * header is parsed during decoding and parsed information stored
-	 * in the context so we do not allow another buffer to overwrite it
-	 */
-	if (ctx->mode == S5P_JPEG_DECODE)
-		count = 1;
-
-	*nbuffers = count;
-	*nplanes = 1;
-	sizes[0] = size;
-
-	return 0;
-}
-
-static int s5p_jpeg_buf_prepare(struct vb2_buffer *vb)
-{
-	struct s5p_jpeg_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
-	struct s5p_jpeg_q_data *q_data = NULL;
-
-	q_data = get_q_data(ctx, vb->vb2_queue->type);
-	BUG_ON(q_data == NULL);
-
-	if (vb2_plane_size(vb, 0) < q_data->size) {
-		pr_err("%s data will not fit into plane (%lu < %lu)\n",
-				__func__, vb2_plane_size(vb, 0),
-				(long)q_data->size);
-		return -EINVAL;
-	}
-
-	vb2_set_plane_payload(vb, 0, q_data->size);
-
-	return 0;
-}
-
-static void s5p_jpeg_set_capture_queue_data(struct s5p_jpeg_ctx *ctx)
-{
-	struct s5p_jpeg_q_data *q_data = &ctx->cap_q;
-
-	q_data->w = ctx->out_q.w;
-	q_data->h = ctx->out_q.h;
-
-	/*
-	 * This call to jpeg_bound_align_image() takes care of width and
-	 * height values alignment when user space calls the QBUF of
-	 * OUTPUT buffer after the S_FMT of CAPTURE buffer.
-	 * Please note that on Exynos4x12 SoCs, resigning from executing
-	 * S_FMT on capture buffer for each JPEG image can result in a
-	 * hardware hangup if subsampling is lower than the one of input
-	 * JPEG.
-	 */
-	jpeg_bound_align_image(ctx, &q_data->w, S5P_JPEG_MIN_WIDTH,
-			       S5P_JPEG_MAX_WIDTH, q_data->fmt->h_align,
-			       &q_data->h, S5P_JPEG_MIN_HEIGHT,
-			       S5P_JPEG_MAX_HEIGHT, q_data->fmt->v_align);
-
-	q_data->size = q_data->w * q_data->h * q_data->fmt->depth >> 3;
-}
-
-static void s5p_jpeg_buf_queue(struct vb2_buffer *vb)
-{
-	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
-	struct s5p_jpeg_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
-
-	if (ctx->mode == S5P_JPEG_DECODE &&
-	    vb->vb2_queue->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
-		static const struct v4l2_event ev_src_ch = {
-			.type = V4L2_EVENT_SOURCE_CHANGE,
-			.u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,
-		};
-		struct vb2_queue *dst_vq;
-		u32 ori_w;
-		u32 ori_h;
-
-		dst_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx,
-					 V4L2_BUF_TYPE_VIDEO_CAPTURE);
-		ori_w = ctx->out_q.w;
-		ori_h = ctx->out_q.h;
-
-		ctx->hdr_parsed = s5p_jpeg_parse_hdr(&ctx->out_q,
-		     (unsigned long)vb2_plane_vaddr(vb, 0),
-		     min((unsigned long)ctx->out_q.size,
-			 vb2_get_plane_payload(vb, 0)), ctx);
-		if (!ctx->hdr_parsed) {
-			vb2_buffer_done(vb, VB2_BUF_STATE_ERROR);
-			return;
-		}
-
-		/*
-		 * If there is a resolution change event, only update capture
-		 * queue when it is not streaming. Otherwise, update it in
-		 * STREAMOFF. See s5p_jpeg_stop_streaming for detail.
-		 */
-		if (ctx->out_q.w != ori_w || ctx->out_q.h != ori_h) {
-			v4l2_event_queue_fh(&ctx->fh, &ev_src_ch);
-			if (vb2_is_streaming(dst_vq))
-				ctx->state = JPEGCTX_RESOLUTION_CHANGE;
-			else
-				s5p_jpeg_set_capture_queue_data(ctx);
-		}
-	}
-
-	v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vbuf);
-}
-
-static int s5p_jpeg_start_streaming(struct vb2_queue *q, unsigned int count)
-{
-	struct s5p_jpeg_ctx *ctx = vb2_get_drv_priv(q);
-
-	return pm_runtime_resume_and_get(ctx->jpeg->dev);
-}
-
-static void s5p_jpeg_stop_streaming(struct vb2_queue *q)
-{
-	struct s5p_jpeg_ctx *ctx = vb2_get_drv_priv(q);
-
-	/*
-	 * STREAMOFF is an acknowledgment for resolution change event.
-	 * Before STREAMOFF, we still have to return the old resolution and
-	 * subsampling. Update capture queue when the stream is off.
-	 */
-	if (ctx->state == JPEGCTX_RESOLUTION_CHANGE &&
-	    q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
-		s5p_jpeg_set_capture_queue_data(ctx);
-		ctx->state = JPEGCTX_RUNNING;
-	}
-
-	pm_runtime_put(ctx->jpeg->dev);
-}
-
-static const struct vb2_ops s5p_jpeg_qops = {
-	.queue_setup		= s5p_jpeg_queue_setup,
-	.buf_prepare		= s5p_jpeg_buf_prepare,
-	.buf_queue		= s5p_jpeg_buf_queue,
-	.wait_prepare		= vb2_ops_wait_prepare,
-	.wait_finish		= vb2_ops_wait_finish,
-	.start_streaming	= s5p_jpeg_start_streaming,
-	.stop_streaming		= s5p_jpeg_stop_streaming,
-};
-
-static int queue_init(void *priv, struct vb2_queue *src_vq,
-		      struct vb2_queue *dst_vq)
-{
-	struct s5p_jpeg_ctx *ctx = priv;
-	int ret;
-
-	src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
-	src_vq->io_modes = VB2_MMAP | VB2_USERPTR;
-	src_vq->drv_priv = ctx;
-	src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
-	src_vq->ops = &s5p_jpeg_qops;
-	src_vq->mem_ops = &vb2_dma_contig_memops;
-	src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
-	src_vq->lock = &ctx->jpeg->lock;
-	src_vq->dev = ctx->jpeg->dev;
-
-	ret = vb2_queue_init(src_vq);
-	if (ret)
-		return ret;
-
-	dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-	dst_vq->io_modes = VB2_MMAP | VB2_USERPTR;
-	dst_vq->drv_priv = ctx;
-	dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
-	dst_vq->ops = &s5p_jpeg_qops;
-	dst_vq->mem_ops = &vb2_dma_contig_memops;
-	dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
-	dst_vq->lock = &ctx->jpeg->lock;
-	dst_vq->dev = ctx->jpeg->dev;
-
-	return vb2_queue_init(dst_vq);
-}
-
-/*
- * ============================================================================
- * ISR
- * ============================================================================
- */
-
-static irqreturn_t s5p_jpeg_irq(int irq, void *dev_id)
-{
-	struct s5p_jpeg *jpeg = dev_id;
-	struct s5p_jpeg_ctx *curr_ctx;
-	struct vb2_v4l2_buffer *src_buf, *dst_buf;
-	unsigned long payload_size = 0;
-	enum vb2_buffer_state state = VB2_BUF_STATE_DONE;
-	bool enc_jpeg_too_large = false;
-	bool timer_elapsed = false;
-	bool op_completed = false;
-
-	spin_lock(&jpeg->slock);
-
-	curr_ctx = v4l2_m2m_get_curr_priv(jpeg->m2m_dev);
-
-	src_buf = v4l2_m2m_src_buf_remove(curr_ctx->fh.m2m_ctx);
-	dst_buf = v4l2_m2m_dst_buf_remove(curr_ctx->fh.m2m_ctx);
-
-	if (curr_ctx->mode == S5P_JPEG_ENCODE)
-		enc_jpeg_too_large = s5p_jpeg_enc_stream_stat(jpeg->regs);
-	timer_elapsed = s5p_jpeg_timer_stat(jpeg->regs);
-	op_completed = s5p_jpeg_result_stat_ok(jpeg->regs);
-	if (curr_ctx->mode == S5P_JPEG_DECODE)
-		op_completed = op_completed &&
-					s5p_jpeg_stream_stat_ok(jpeg->regs);
-
-	if (enc_jpeg_too_large) {
-		state = VB2_BUF_STATE_ERROR;
-		s5p_jpeg_clear_enc_stream_stat(jpeg->regs);
-	} else if (timer_elapsed) {
-		state = VB2_BUF_STATE_ERROR;
-		s5p_jpeg_clear_timer_stat(jpeg->regs);
-	} else if (!op_completed) {
-		state = VB2_BUF_STATE_ERROR;
-	} else {
-		payload_size = s5p_jpeg_compressed_size(jpeg->regs);
-	}
-
-	dst_buf->timecode = src_buf->timecode;
-	dst_buf->vb2_buf.timestamp = src_buf->vb2_buf.timestamp;
-	dst_buf->flags &= ~V4L2_BUF_FLAG_TSTAMP_SRC_MASK;
-	dst_buf->flags |=
-		src_buf->flags & V4L2_BUF_FLAG_TSTAMP_SRC_MASK;
-
-	v4l2_m2m_buf_done(src_buf, state);
-	if (curr_ctx->mode == S5P_JPEG_ENCODE)
-		vb2_set_plane_payload(&dst_buf->vb2_buf, 0, payload_size);
-	v4l2_m2m_buf_done(dst_buf, state);
-
-	curr_ctx->subsampling = s5p_jpeg_get_subsampling_mode(jpeg->regs);
-	spin_unlock(&jpeg->slock);
-
-	s5p_jpeg_clear_int(jpeg->regs);
-
-	v4l2_m2m_job_finish(jpeg->m2m_dev, curr_ctx->fh.m2m_ctx);
-	return IRQ_HANDLED;
-}
-
-static irqreturn_t exynos4_jpeg_irq(int irq, void *priv)
-{
-	unsigned int int_status;
-	struct vb2_v4l2_buffer *src_vb, *dst_vb;
-	struct s5p_jpeg *jpeg = priv;
-	struct s5p_jpeg_ctx *curr_ctx;
-	unsigned long payload_size = 0;
-
-	spin_lock(&jpeg->slock);
-
-	exynos4_jpeg_set_sys_int_enable(jpeg->regs, 0);
-
-	curr_ctx = v4l2_m2m_get_curr_priv(jpeg->m2m_dev);
-
-	src_vb = v4l2_m2m_src_buf_remove(curr_ctx->fh.m2m_ctx);
-	dst_vb = v4l2_m2m_dst_buf_remove(curr_ctx->fh.m2m_ctx);
-
-	int_status = exynos4_jpeg_get_int_status(jpeg->regs);
-
-	if (int_status) {
-		switch (int_status & 0x1f) {
-		case 0x1:
-			jpeg->irq_ret = ERR_PROT;
-			break;
-		case 0x2:
-			jpeg->irq_ret = OK_ENC_OR_DEC;
-			break;
-		case 0x4:
-			jpeg->irq_ret = ERR_DEC_INVALID_FORMAT;
-			break;
-		case 0x8:
-			jpeg->irq_ret = ERR_MULTI_SCAN;
-			break;
-		case 0x10:
-			jpeg->irq_ret = ERR_FRAME;
-			break;
-		default:
-			jpeg->irq_ret = ERR_UNKNOWN;
-			break;
-		}
-	} else {
-		jpeg->irq_ret = ERR_UNKNOWN;
-	}
-
-	if (jpeg->irq_ret == OK_ENC_OR_DEC) {
-		if (curr_ctx->mode == S5P_JPEG_ENCODE) {
-			payload_size = exynos4_jpeg_get_stream_size(jpeg->regs);
-			vb2_set_plane_payload(&dst_vb->vb2_buf,
-					0, payload_size);
-		}
-		v4l2_m2m_buf_done(src_vb, VB2_BUF_STATE_DONE);
-		v4l2_m2m_buf_done(dst_vb, VB2_BUF_STATE_DONE);
-	} else {
-		v4l2_m2m_buf_done(src_vb, VB2_BUF_STATE_ERROR);
-		v4l2_m2m_buf_done(dst_vb, VB2_BUF_STATE_ERROR);
-	}
-
-	if (jpeg->variant->version == SJPEG_EXYNOS4)
-		curr_ctx->subsampling = exynos4_jpeg_get_frame_fmt(jpeg->regs);
-
-	exynos4_jpeg_set_enc_dec_mode(jpeg->regs, S5P_JPEG_DISABLE);
-
-	spin_unlock(&jpeg->slock);
-
-	v4l2_m2m_job_finish(jpeg->m2m_dev, curr_ctx->fh.m2m_ctx);
-	return IRQ_HANDLED;
-}
-
-static irqreturn_t exynos3250_jpeg_irq(int irq, void *dev_id)
-{
-	struct s5p_jpeg *jpeg = dev_id;
-	struct s5p_jpeg_ctx *curr_ctx;
-	struct vb2_v4l2_buffer *src_buf, *dst_buf;
-	unsigned long payload_size = 0;
-	enum vb2_buffer_state state = VB2_BUF_STATE_DONE;
-	bool interrupt_timeout = false;
-	bool stream_error = false;
-	u32 irq_status;
-
-	spin_lock(&jpeg->slock);
-
-	irq_status = exynos3250_jpeg_get_timer_status(jpeg->regs);
-	if (irq_status & EXYNOS3250_TIMER_INT_STAT) {
-		exynos3250_jpeg_clear_timer_status(jpeg->regs);
-		interrupt_timeout = true;
-		dev_err(jpeg->dev, "Interrupt timeout occurred.\n");
-	}
-
-	irq_status = exynos3250_jpeg_get_int_status(jpeg->regs);
-	exynos3250_jpeg_clear_int_status(jpeg->regs, irq_status);
-
-	jpeg->irq_status |= irq_status;
-
-	if (jpeg->variant->version == SJPEG_EXYNOS5420 &&
-	    irq_status & EXYNOS3250_STREAM_STAT) {
-		stream_error = true;
-		dev_err(jpeg->dev, "Syntax error or unrecoverable error occurred.\n");
-	}
-
-	curr_ctx = v4l2_m2m_get_curr_priv(jpeg->m2m_dev);
-
-	if (!curr_ctx)
-		goto exit_unlock;
-
-	if ((irq_status & EXYNOS3250_HEADER_STAT) &&
-	    (curr_ctx->mode == S5P_JPEG_DECODE)) {
-		exynos3250_jpeg_rstart(jpeg->regs);
-		goto exit_unlock;
-	}
-
-	if (jpeg->irq_status & (EXYNOS3250_JPEG_DONE |
-				EXYNOS3250_WDMA_DONE |
-				EXYNOS3250_RDMA_DONE |
-				EXYNOS3250_RESULT_STAT))
-		payload_size = exynos3250_jpeg_compressed_size(jpeg->regs);
-	else if (interrupt_timeout || stream_error)
-		state = VB2_BUF_STATE_ERROR;
-	else
-		goto exit_unlock;
-
-	src_buf = v4l2_m2m_src_buf_remove(curr_ctx->fh.m2m_ctx);
-	dst_buf = v4l2_m2m_dst_buf_remove(curr_ctx->fh.m2m_ctx);
-
-	dst_buf->timecode = src_buf->timecode;
-	dst_buf->vb2_buf.timestamp = src_buf->vb2_buf.timestamp;
-
-	v4l2_m2m_buf_done(src_buf, state);
-	if (curr_ctx->mode == S5P_JPEG_ENCODE)
-		vb2_set_plane_payload(&dst_buf->vb2_buf, 0, payload_size);
-	v4l2_m2m_buf_done(dst_buf, state);
-
-	curr_ctx->subsampling =
-			exynos3250_jpeg_get_subsampling_mode(jpeg->regs);
-
-	spin_unlock(&jpeg->slock);
-
-	v4l2_m2m_job_finish(jpeg->m2m_dev, curr_ctx->fh.m2m_ctx);
-	return IRQ_HANDLED;
-
-exit_unlock:
-	spin_unlock(&jpeg->slock);
-	return IRQ_HANDLED;
-}
-
-static void *jpeg_get_drv_data(struct device *dev);
-
-/*
- * ============================================================================
- * Driver basic infrastructure
- * ============================================================================
- */
-
-static int s5p_jpeg_probe(struct platform_device *pdev)
-{
-	struct s5p_jpeg *jpeg;
-	int i, ret;
-
-	/* JPEG IP abstraction struct */
-	jpeg = devm_kzalloc(&pdev->dev, sizeof(struct s5p_jpeg), GFP_KERNEL);
-	if (!jpeg)
-		return -ENOMEM;
-
-	jpeg->variant = jpeg_get_drv_data(&pdev->dev);
-	if (!jpeg->variant)
-		return -ENODEV;
-
-	mutex_init(&jpeg->lock);
-	spin_lock_init(&jpeg->slock);
-	jpeg->dev = &pdev->dev;
-
-	/* memory-mapped registers */
-	jpeg->regs = devm_platform_ioremap_resource(pdev, 0);
-	if (IS_ERR(jpeg->regs))
-		return PTR_ERR(jpeg->regs);
-
-	/* interrupt service routine registration */
-	jpeg->irq = ret = platform_get_irq(pdev, 0);
-	if (ret < 0) {
-		dev_err(&pdev->dev, "cannot find IRQ\n");
-		return ret;
-	}
-
-	ret = devm_request_irq(&pdev->dev, jpeg->irq, jpeg->variant->jpeg_irq,
-				0, dev_name(&pdev->dev), jpeg);
-	if (ret) {
-		dev_err(&pdev->dev, "cannot claim IRQ %d\n", jpeg->irq);
-		return ret;
-	}
-
-	/* clocks */
-	for (i = 0; i < jpeg->variant->num_clocks; i++) {
-		jpeg->clocks[i] = devm_clk_get(&pdev->dev,
-					      jpeg->variant->clk_names[i]);
-		if (IS_ERR(jpeg->clocks[i])) {
-			dev_err(&pdev->dev, "failed to get clock: %s\n",
-				jpeg->variant->clk_names[i]);
-			return PTR_ERR(jpeg->clocks[i]);
-		}
-	}
-
-	/* v4l2 device */
-	ret = v4l2_device_register(&pdev->dev, &jpeg->v4l2_dev);
-	if (ret) {
-		dev_err(&pdev->dev, "Failed to register v4l2 device\n");
-		return ret;
-	}
-
-	/* mem2mem device */
-	jpeg->m2m_dev = v4l2_m2m_init(jpeg->variant->m2m_ops);
-	if (IS_ERR(jpeg->m2m_dev)) {
-		v4l2_err(&jpeg->v4l2_dev, "Failed to init mem2mem device\n");
-		ret = PTR_ERR(jpeg->m2m_dev);
-		goto device_register_rollback;
-	}
-
-	vb2_dma_contig_set_max_seg_size(&pdev->dev, DMA_BIT_MASK(32));
-
-	/* JPEG encoder /dev/videoX node */
-	jpeg->vfd_encoder = video_device_alloc();
-	if (!jpeg->vfd_encoder) {
-		v4l2_err(&jpeg->v4l2_dev, "Failed to allocate video device\n");
-		ret = -ENOMEM;
-		goto m2m_init_rollback;
-	}
-	snprintf(jpeg->vfd_encoder->name, sizeof(jpeg->vfd_encoder->name),
-				"%s-enc", S5P_JPEG_M2M_NAME);
-	jpeg->vfd_encoder->fops		= &s5p_jpeg_fops;
-	jpeg->vfd_encoder->ioctl_ops	= &s5p_jpeg_ioctl_ops;
-	jpeg->vfd_encoder->minor	= -1;
-	jpeg->vfd_encoder->release	= video_device_release;
-	jpeg->vfd_encoder->lock		= &jpeg->lock;
-	jpeg->vfd_encoder->v4l2_dev	= &jpeg->v4l2_dev;
-	jpeg->vfd_encoder->vfl_dir	= VFL_DIR_M2M;
-	jpeg->vfd_encoder->device_caps	= V4L2_CAP_STREAMING | V4L2_CAP_VIDEO_M2M;
-
-	ret = video_register_device(jpeg->vfd_encoder, VFL_TYPE_VIDEO, -1);
-	if (ret) {
-		v4l2_err(&jpeg->v4l2_dev, "Failed to register video device\n");
-		video_device_release(jpeg->vfd_encoder);
-		goto m2m_init_rollback;
-	}
-
-	video_set_drvdata(jpeg->vfd_encoder, jpeg);
-	v4l2_info(&jpeg->v4l2_dev,
-		  "encoder device registered as /dev/video%d\n",
-		  jpeg->vfd_encoder->num);
-
-	/* JPEG decoder /dev/videoX node */
-	jpeg->vfd_decoder = video_device_alloc();
-	if (!jpeg->vfd_decoder) {
-		v4l2_err(&jpeg->v4l2_dev, "Failed to allocate video device\n");
-		ret = -ENOMEM;
-		goto enc_vdev_register_rollback;
-	}
-	snprintf(jpeg->vfd_decoder->name, sizeof(jpeg->vfd_decoder->name),
-				"%s-dec", S5P_JPEG_M2M_NAME);
-	jpeg->vfd_decoder->fops		= &s5p_jpeg_fops;
-	jpeg->vfd_decoder->ioctl_ops	= &s5p_jpeg_ioctl_ops;
-	jpeg->vfd_decoder->minor	= -1;
-	jpeg->vfd_decoder->release	= video_device_release;
-	jpeg->vfd_decoder->lock		= &jpeg->lock;
-	jpeg->vfd_decoder->v4l2_dev	= &jpeg->v4l2_dev;
-	jpeg->vfd_decoder->vfl_dir	= VFL_DIR_M2M;
-	jpeg->vfd_decoder->device_caps	= V4L2_CAP_STREAMING | V4L2_CAP_VIDEO_M2M;
-
-	ret = video_register_device(jpeg->vfd_decoder, VFL_TYPE_VIDEO, -1);
-	if (ret) {
-		v4l2_err(&jpeg->v4l2_dev, "Failed to register video device\n");
-		video_device_release(jpeg->vfd_decoder);
-		goto enc_vdev_register_rollback;
-	}
-
-	video_set_drvdata(jpeg->vfd_decoder, jpeg);
-	v4l2_info(&jpeg->v4l2_dev,
-		  "decoder device registered as /dev/video%d\n",
-		  jpeg->vfd_decoder->num);
-
-	/* final statements & power management */
-	platform_set_drvdata(pdev, jpeg);
-
-	pm_runtime_enable(&pdev->dev);
-
-	v4l2_info(&jpeg->v4l2_dev, "Samsung S5P JPEG codec\n");
-
-	return 0;
-
-enc_vdev_register_rollback:
-	video_unregister_device(jpeg->vfd_encoder);
-
-m2m_init_rollback:
-	v4l2_m2m_release(jpeg->m2m_dev);
-
-device_register_rollback:
-	v4l2_device_unregister(&jpeg->v4l2_dev);
-
-	return ret;
-}
-
-static int s5p_jpeg_remove(struct platform_device *pdev)
-{
-	struct s5p_jpeg *jpeg = platform_get_drvdata(pdev);
-	int i;
-
-	pm_runtime_disable(jpeg->dev);
-
-	video_unregister_device(jpeg->vfd_decoder);
-	video_unregister_device(jpeg->vfd_encoder);
-	vb2_dma_contig_clear_max_seg_size(&pdev->dev);
-	v4l2_m2m_release(jpeg->m2m_dev);
-	v4l2_device_unregister(&jpeg->v4l2_dev);
-
-	if (!pm_runtime_status_suspended(&pdev->dev)) {
-		for (i = jpeg->variant->num_clocks - 1; i >= 0; i--)
-			clk_disable_unprepare(jpeg->clocks[i]);
-	}
-
-	return 0;
-}
-
-#ifdef CONFIG_PM
-static int s5p_jpeg_runtime_suspend(struct device *dev)
-{
-	struct s5p_jpeg *jpeg = dev_get_drvdata(dev);
-	int i;
-
-	for (i = jpeg->variant->num_clocks - 1; i >= 0; i--)
-		clk_disable_unprepare(jpeg->clocks[i]);
-
-	return 0;
-}
-
-static int s5p_jpeg_runtime_resume(struct device *dev)
-{
-	struct s5p_jpeg *jpeg = dev_get_drvdata(dev);
-	unsigned long flags;
-	int i, ret;
-
-	for (i = 0; i < jpeg->variant->num_clocks; i++) {
-		ret = clk_prepare_enable(jpeg->clocks[i]);
-		if (ret) {
-			while (--i >= 0)
-				clk_disable_unprepare(jpeg->clocks[i]);
-			return ret;
-		}
-	}
-
-	spin_lock_irqsave(&jpeg->slock, flags);
-
-	/*
-	 * JPEG IP allows storing two Huffman tables for each component.
-	 * We fill table 0 for each component and do this here only
-	 * for S5PC210 and Exynos3250 SoCs. Exynos4x12 and Exynos542x SoC
-	 * require programming their Huffman tables each time the encoding
-	 * process is initialized, and thus it is accomplished in the
-	 * device_run callback of m2m_ops.
-	 */
-	if (!jpeg->variant->htbl_reinit) {
-		s5p_jpeg_set_hdctbl(jpeg->regs);
-		s5p_jpeg_set_hdctblg(jpeg->regs);
-		s5p_jpeg_set_hactbl(jpeg->regs);
-		s5p_jpeg_set_hactblg(jpeg->regs);
-	}
-
-	spin_unlock_irqrestore(&jpeg->slock, flags);
-
-	return 0;
-}
-#endif /* CONFIG_PM */
-
-static const struct dev_pm_ops s5p_jpeg_pm_ops = {
-	SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
-				pm_runtime_force_resume)
-	SET_RUNTIME_PM_OPS(s5p_jpeg_runtime_suspend, s5p_jpeg_runtime_resume,
-			   NULL)
-};
-
-static struct s5p_jpeg_variant s5p_jpeg_drvdata = {
-	.version	= SJPEG_S5P,
-	.jpeg_irq	= s5p_jpeg_irq,
-	.m2m_ops	= &s5p_jpeg_m2m_ops,
-	.fmt_ver_flag	= SJPEG_FMT_FLAG_S5P,
-	.clk_names	= {"jpeg"},
-	.num_clocks	= 1,
-};
-
-static struct s5p_jpeg_variant exynos3250_jpeg_drvdata = {
-	.version	= SJPEG_EXYNOS3250,
-	.jpeg_irq	= exynos3250_jpeg_irq,
-	.m2m_ops	= &exynos3250_jpeg_m2m_ops,
-	.fmt_ver_flag	= SJPEG_FMT_FLAG_EXYNOS3250,
-	.hw3250_compat	= 1,
-	.clk_names	= {"jpeg", "sclk"},
-	.num_clocks	= 2,
-};
-
-static struct s5p_jpeg_variant exynos4_jpeg_drvdata = {
-	.version	= SJPEG_EXYNOS4,
-	.jpeg_irq	= exynos4_jpeg_irq,
-	.m2m_ops	= &exynos4_jpeg_m2m_ops,
-	.fmt_ver_flag	= SJPEG_FMT_FLAG_EXYNOS4,
-	.htbl_reinit	= 1,
-	.clk_names	= {"jpeg"},
-	.num_clocks	= 1,
-	.hw_ex4_compat	= 1,
-};
-
-static struct s5p_jpeg_variant exynos5420_jpeg_drvdata = {
-	.version	= SJPEG_EXYNOS5420,
-	.jpeg_irq	= exynos3250_jpeg_irq,		/* intentionally 3250 */
-	.m2m_ops	= &exynos3250_jpeg_m2m_ops,	/* intentionally 3250 */
-	.fmt_ver_flag	= SJPEG_FMT_FLAG_EXYNOS3250,	/* intentionally 3250 */
-	.hw3250_compat	= 1,
-	.htbl_reinit	= 1,
-	.clk_names	= {"jpeg"},
-	.num_clocks	= 1,
-};
-
-static struct s5p_jpeg_variant exynos5433_jpeg_drvdata = {
-	.version	= SJPEG_EXYNOS5433,
-	.jpeg_irq	= exynos4_jpeg_irq,
-	.m2m_ops	= &exynos4_jpeg_m2m_ops,
-	.fmt_ver_flag	= SJPEG_FMT_FLAG_EXYNOS4,
-	.htbl_reinit	= 1,
-	.clk_names	= {"pclk", "aclk", "aclk_xiu", "sclk"},
-	.num_clocks	= 4,
-	.hw_ex4_compat	= 1,
-};
-
-static const struct of_device_id samsung_jpeg_match[] = {
-	{
-		.compatible = "samsung,s5pv210-jpeg",
-		.data = &s5p_jpeg_drvdata,
-	}, {
-		.compatible = "samsung,exynos3250-jpeg",
-		.data = &exynos3250_jpeg_drvdata,
-	}, {
-		.compatible = "samsung,exynos4210-jpeg",
-		.data = &exynos4_jpeg_drvdata,
-	}, {
-		.compatible = "samsung,exynos4212-jpeg",
-		.data = &exynos4_jpeg_drvdata,
-	}, {
-		.compatible = "samsung,exynos5420-jpeg",
-		.data = &exynos5420_jpeg_drvdata,
-	}, {
-		.compatible = "samsung,exynos5433-jpeg",
-		.data = &exynos5433_jpeg_drvdata,
-	},
-	{},
-};
-
-MODULE_DEVICE_TABLE(of, samsung_jpeg_match);
-
-static void *jpeg_get_drv_data(struct device *dev)
-{
-	struct s5p_jpeg_variant *driver_data = NULL;
-	const struct of_device_id *match;
-
-	if (!IS_ENABLED(CONFIG_OF) || !dev->of_node)
-		return &s5p_jpeg_drvdata;
-
-	match = of_match_node(samsung_jpeg_match, dev->of_node);
-
-	if (match)
-		driver_data = (struct s5p_jpeg_variant *)match->data;
-
-	return driver_data;
-}
-
-static struct platform_driver s5p_jpeg_driver = {
-	.probe = s5p_jpeg_probe,
-	.remove = s5p_jpeg_remove,
-	.driver = {
-		.of_match_table	= of_match_ptr(samsung_jpeg_match),
-		.name		= S5P_JPEG_M2M_NAME,
-		.pm		= &s5p_jpeg_pm_ops,
-	},
-};
-
-module_platform_driver(s5p_jpeg_driver);
-
-MODULE_AUTHOR("Andrzej Pietrasiewicz <andrzejtp2010@gmail.com>");
-MODULE_AUTHOR("Jacek Anaszewski <j.anaszewski@samsung.com>");
-MODULE_DESCRIPTION("Samsung JPEG codec driver");
-MODULE_LICENSE("GPL");