[media] s5p-jpeg: JPEG codec
authorJacek Anaszewski <j.anaszewski@samsung.com>
Wed, 18 Dec 2013 14:04:44 +0000 (11:04 -0300)
committerMauro Carvalho Chehab <m.chehab@samsung.com>
Wed, 18 Dec 2013 13:46:23 +0000 (11:46 -0200)
Add hardware API for the exynos4x12 on s5p-jpeg.

Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
drivers/media/platform/s5p-jpeg/Makefile
drivers/media/platform/s5p-jpeg/jpeg-core.c
drivers/media/platform/s5p-jpeg/jpeg-core.h
drivers/media/platform/s5p-jpeg/jpeg-hw-exynos4.c [new file with mode: 0644]
drivers/media/platform/s5p-jpeg/jpeg-hw-exynos4.h [new file with mode: 0644]
drivers/media/platform/s5p-jpeg/jpeg-regs.h

index faf6398..a1a9169 100644 (file)
@@ -1,2 +1,2 @@
-s5p-jpeg-objs := jpeg-core.o jpeg-hw-s5p.o
+s5p-jpeg-objs := jpeg-core.o jpeg-hw-exynos4.o jpeg-hw-s5p.o
 obj-$(CONFIG_VIDEO_SAMSUNG_S5P_JPEG) += s5p-jpeg.o
index 65922d9..fbadbb0 100644 (file)
@@ -1,9 +1,10 @@
 /* linux/drivers/media/platform/s5p-jpeg/jpeg-core.c
  *
- * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2011-2013 Samsung Electronics Co., Ltd.
  *             http://www.samsung.com
  *
  * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
+ * Author: Jacek Anaszewski <j.anaszewski@samsung.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
 
 #include "jpeg-core.h"
 #include "jpeg-hw-s5p.h"
+#include "jpeg-hw-exynos4.h"
+#include "jpeg-regs.h"
 
-static struct s5p_jpeg_fmt formats_enc[] = {
+static struct s5p_jpeg_fmt sjpeg_formats[] = {
        {
                .name           = "JPEG JFIF",
                .fourcc         = V4L2_PIX_FMT_JPEG,
+               .flags          = SJPEG_FMT_FLAG_ENC_CAPTURE |
+                                 SJPEG_FMT_FLAG_DEC_OUTPUT |
+                                 SJPEG_FMT_FLAG_S5P |
+                                 SJPEG_FMT_FLAG_EXYNOS4,
+       },
+       {
+               .name           = "YUV 4:2:2 packed, YCbYCr",
+               .fourcc         = V4L2_PIX_FMT_YUYV,
+               .depth          = 16,
                .colplanes      = 1,
-               .types          = MEM2MEM_CAPTURE,
+               .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,
        },
        {
                .name           = "YUV 4:2:2 packed, YCbYCr",
                .fourcc         = V4L2_PIX_FMT_YUYV,
                .depth          = 16,
                .colplanes      = 1,
-               .types          = MEM2MEM_OUTPUT,
+               .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,
+       },
+       {
+               .name           = "YUV 4:2:2 packed, YCrYCb",
+               .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,
        },
        {
                .name           = "RGB565",
                .fourcc         = V4L2_PIX_FMT_RGB565,
                .depth          = 16,
                .colplanes      = 1,
-               .types          = MEM2MEM_OUTPUT,
+               .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,
+       },
+       {
+               .name           = "RGB565",
+               .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,
+       },
+       {
+               .name           = "ARGB8888, 32 bpp",
+               .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,
+       },
+       {
+               .name           = "YUV 4:4:4 planar, Y/CbCr",
+               .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,
+       },
+       {
+               .name           = "YUV 4:4:4 planar, Y/CrCb",
+               .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,
+       },
+       {
+               .name           = "YUV 4:2:2 planar, Y/CrCb",
+               .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,
        },
-};
-#define NUM_FORMATS_ENC ARRAY_SIZE(formats_enc)
-
-static struct s5p_jpeg_fmt formats_dec[] = {
        {
-               .name           = "YUV 4:2:0 planar, YCbCr",
+               .name           = "YUV 4:2:2 planar, Y/CbCr",
+               .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,
+       },
+       {
+               .name           = "YUV 4:2:0 planar, Y/CbCr",
                .fourcc         = V4L2_PIX_FMT_NV12,
-               .depth          = 12,
-               .colplanes      = 3,
-               .h_align        = 4,
-               .v_align        = 4,
-               .types          = MEM2MEM_CAPTURE,
+               .depth          = 16,
+               .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,
        },
        {
-               .name           = "YUV 4:2:2 packed, YCbYCr",
-               .fourcc         = V4L2_PIX_FMT_YUYV,
+               .name           = "YUV 4:2:0 planar, Y/CbCr",
+               .fourcc         = V4L2_PIX_FMT_NV12,
                .depth          = 16,
-               .colplanes      = 1,
+               .colplanes      = 4,
                .h_align        = 4,
-               .v_align        = 3,
-               .types          = MEM2MEM_CAPTURE,
+               .v_align        = 1,
+               .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,
        },
        {
-               .name           = "JPEG JFIF",
-               .fourcc         = V4L2_PIX_FMT_JPEG,
+               .name           = "YUV 4:2:0 planar, Y/CrCb",
+               .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_EXYNOS4 |
+                                 SJPEG_FMT_NON_RGB,
+               .subsampling    = V4L2_JPEG_CHROMA_SUBSAMPLING_420,
+       },
+       {
+               .name           = "YUV 4:2:0 contiguous 3-planar, Y/Cb/Cr",
+               .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,
+       },
+       {
+               .name           = "Gray",
+               .fourcc         = V4L2_PIX_FMT_GREY,
+               .depth          = 8,
                .colplanes      = 1,
-               .types          = MEM2MEM_OUTPUT,
+               .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 NUM_FORMATS_DEC ARRAY_SIZE(formats_dec)
+#define SJPEG_NUM_FORMATS ARRAY_SIZE(sjpeg_formats)
 
 static const unsigned char qtbl_luminance[4][64] = {
        {/*level 0 - high compression quality */
@@ -277,6 +432,58 @@ static inline void s5p_jpeg_set_hactblg(void __iomem *regs)
                                                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]));
+}
+
+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));
+}
+
 /*
  * ============================================================================
  * Device file operations
@@ -285,8 +492,8 @@ static inline void s5p_jpeg_set_hactblg(void __iomem *regs)
 
 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(unsigned int mode,
-                                                __u32 pixelformat);
+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)
@@ -294,7 +501,7 @@ 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;
+       struct s5p_jpeg_fmt *out_fmt, *cap_fmt;
        int ret = 0;
 
        ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
@@ -315,16 +522,18 @@ static int s5p_jpeg_open(struct file *file)
        ctx->jpeg = jpeg;
        if (vfd == jpeg->vfd_encoder) {
                ctx->mode = S5P_JPEG_ENCODE;
-               out_fmt = s5p_jpeg_find_format(ctx->mode, V4L2_PIX_FMT_RGB565);
+               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->mode, V4L2_PIX_FMT_JPEG);
+               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);
        }
 
-       ret = s5p_jpeg_controls_create(ctx);
-       if (ret < 0)
-               goto error;
-
        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);
@@ -332,7 +541,12 @@ static int s5p_jpeg_open(struct file *file)
        }
 
        ctx->out_q.fmt = out_fmt;
-       ctx->cap_q.fmt = s5p_jpeg_find_format(ctx->mode, V4L2_PIX_FMT_YUYV);
+       ctx->cap_q.fmt = cap_fmt;
+
+       ret = s5p_jpeg_controls_create(ctx);
+       if (ret < 0)
+               goto error;
+
        mutex_unlock(&jpeg->lock);
        return 0;
 
@@ -352,11 +566,11 @@ static int s5p_jpeg_release(struct file *file)
 
        mutex_lock(&jpeg->lock);
        v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
-       mutex_unlock(&jpeg->lock);
        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;
 }
@@ -504,13 +718,13 @@ static int s5p_jpeg_querycap(struct file *file, void *priv,
        return 0;
 }
 
-static int enum_fmt(struct s5p_jpeg_fmt *formats, int n,
+static int enum_fmt(struct s5p_jpeg_fmt *sjpeg_formats, int n,
                    struct v4l2_fmtdesc *f, u32 type)
 {
        int i, num = 0;
 
        for (i = 0; i < n; ++i) {
-               if (formats[i].types & type) {
+               if (sjpeg_formats[i].flags & type) {
                        /* index-th format of type type found ? */
                        if (num == f->index)
                                break;
@@ -524,8 +738,8 @@ static int enum_fmt(struct s5p_jpeg_fmt *formats, int n,
        if (i >= n)
                return -EINVAL;
 
-       strlcpy(f->description, formats[i].name, sizeof(f->description));
-       f->pixelformat = formats[i].fourcc;
+       strlcpy(f->description, sjpeg_formats[i].name, sizeof(f->description));
+       f->pixelformat = sjpeg_formats[i].fourcc;
 
        return 0;
 }
@@ -536,10 +750,11 @@ static int s5p_jpeg_enum_fmt_vid_cap(struct file *file, void *priv,
        struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv);
 
        if (ctx->mode == S5P_JPEG_ENCODE)
-               return enum_fmt(formats_enc, NUM_FORMATS_ENC, f,
-                               MEM2MEM_CAPTURE);
+               return enum_fmt(sjpeg_formats, SJPEG_NUM_FORMATS, f,
+                               SJPEG_FMT_FLAG_ENC_CAPTURE);
 
-       return enum_fmt(formats_dec, NUM_FORMATS_DEC, f, MEM2MEM_CAPTURE);
+       return enum_fmt(sjpeg_formats, SJPEG_NUM_FORMATS, f,
+                                       SJPEG_FMT_FLAG_DEC_CAPTURE);
 }
 
 static int s5p_jpeg_enum_fmt_vid_out(struct file *file, void *priv,
@@ -548,10 +763,11 @@ static int s5p_jpeg_enum_fmt_vid_out(struct file *file, void *priv,
        struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv);
 
        if (ctx->mode == S5P_JPEG_ENCODE)
-               return enum_fmt(formats_enc, NUM_FORMATS_ENC, f,
-                               MEM2MEM_OUTPUT);
+               return enum_fmt(sjpeg_formats, SJPEG_NUM_FORMATS, f,
+                               SJPEG_FMT_FLAG_ENC_OUTPUT);
 
-       return enum_fmt(formats_dec, NUM_FORMATS_DEC, f, MEM2MEM_OUTPUT);
+       return enum_fmt(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,
@@ -598,29 +814,35 @@ static int s5p_jpeg_g_fmt(struct file *file, void *priv, struct v4l2_format *f)
        return 0;
 }
 
-static struct s5p_jpeg_fmt *s5p_jpeg_find_format(unsigned int mode,
-                                                u32 pixelformat)
+static struct s5p_jpeg_fmt *s5p_jpeg_find_format(struct s5p_jpeg_ctx *ctx,
+                               u32 pixelformat, unsigned int fmt_type)
 {
-       unsigned int k;
-       struct s5p_jpeg_fmt *formats;
-       int n;
+       unsigned int k, fmt_flag, ver_flag;
 
-       if (mode == S5P_JPEG_ENCODE) {
-               formats = formats_enc;
-               n = NUM_FORMATS_ENC;
-       } else {
-               formats = formats_dec;
-               n = NUM_FORMATS_DEC;
-       }
+       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 < n; k++) {
-               struct s5p_jpeg_fmt *fmt = &formats[k];
-               if (fmt->fourcc == pixelformat)
+       if (ctx->jpeg->variant->version == SJPEG_S5P)
+               ver_flag = SJPEG_FMT_FLAG_S5P;
+       else
+               ver_flag = SJPEG_FMT_FLAG_EXYNOS4;
+
+       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 & ver_flag) {
                        return fmt;
+               }
        }
 
        return NULL;
-
 }
 
 static void jpeg_bound_align_image(u32 *w, unsigned int wmin, unsigned int wmax,
@@ -656,7 +878,7 @@ static int vidioc_try_fmt(struct v4l2_format *f, struct s5p_jpeg_fmt *fmt,
 
        /* V4L2 specification suggests the driver corrects the format struct
         * if any of the dimensions is unsupported */
-       if (q_type == MEM2MEM_OUTPUT)
+       if (q_type == FMT_TYPE_OUTPUT)
                jpeg_bound_align_image(&pix->width, S5P_JPEG_MIN_WIDTH,
                                       S5P_JPEG_MAX_WIDTH, 0,
                                       &pix->height, S5P_JPEG_MIN_HEIGHT,
@@ -694,15 +916,16 @@ static int s5p_jpeg_try_fmt_vid_cap(struct file *file, void *priv,
        struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv);
        struct s5p_jpeg_fmt *fmt;
 
-       fmt = s5p_jpeg_find_format(ctx->mode, f->fmt.pix.pixelformat);
-       if (!fmt || !(fmt->types & MEM2MEM_CAPTURE)) {
+       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;
        }
 
-       return vidioc_try_fmt(f, fmt, ctx, MEM2MEM_CAPTURE);
+       return vidioc_try_fmt(f, fmt, ctx, FMT_TYPE_CAPTURE);
 }
 
 static int s5p_jpeg_try_fmt_vid_out(struct file *file, void *priv,
@@ -711,15 +934,16 @@ static int s5p_jpeg_try_fmt_vid_out(struct file *file, void *priv,
        struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv);
        struct s5p_jpeg_fmt *fmt;
 
-       fmt = s5p_jpeg_find_format(ctx->mode, f->fmt.pix.pixelformat);
-       if (!fmt || !(fmt->types & MEM2MEM_OUTPUT)) {
+       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, MEM2MEM_OUTPUT);
+       return vidioc_try_fmt(f, fmt, ctx, FMT_TYPE_OUTPUT);
 }
 
 static int s5p_jpeg_s_fmt(struct s5p_jpeg_ctx *ct, struct v4l2_format *f)
@@ -727,6 +951,7 @@ 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;
+       unsigned int f_type;
 
        vq = v4l2_m2m_get_vq(ct->fh.m2m_ctx, f->type);
        if (!vq)
@@ -740,7 +965,10 @@ static int s5p_jpeg_s_fmt(struct s5p_jpeg_ctx *ct, struct v4l2_format *f)
                return -EBUSY;
        }
 
-       q_data->fmt = s5p_jpeg_find_format(ct->mode, pix->pixelformat);
+       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);
        q_data->w = pix->width;
        q_data->h = pix->height;
        if (q_data->fmt->fourcc != V4L2_PIX_FMT_JPEG)
@@ -781,7 +1009,8 @@ static int s5p_jpeg_g_selection(struct file *file, void *priv,
        struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv);
 
        if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT &&
-           s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+           s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
+           ctx->jpeg->variant->version != SJPEG_S5P)
                return -EINVAL;
 
        /* For JPEG blob active == default == bounds */
@@ -1018,6 +1247,107 @@ static void s5p_jpeg_device_run(void *priv)
        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_buffer *vb;
+       struct s5p_jpeg_addr jpeg_addr;
+       u32 pix_size, padding_bytes = 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, 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_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, 0);
+       exynos4_jpeg_set_stream_buf_address(jpeg->regs, jpeg_addr);
+}
+
+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(&ctx->jpeg->slock, flags);
+
+       if (ctx->mode == S5P_JPEG_ENCODE) {
+               exynos4_jpeg_sw_reset(jpeg->regs);
+               exynos4_jpeg_set_interrupt(jpeg->regs);
+               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);
+
+               exynos4_jpeg_set_enc_out_fmt(jpeg->regs, ctx->subsampling);
+               exynos4_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);
+               exynos4_jpeg_set_img_addr(ctx);
+               exynos4_jpeg_set_jpeg_addr(ctx);
+               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_enc_dec_mode(jpeg->regs, ctx->mode);
+
+       spin_unlock_irqrestore(&ctx->jpeg->slock, flags);
+}
+
 static int s5p_jpeg_job_ready(void *priv)
 {
        struct s5p_jpeg_ctx *ctx = priv;
@@ -1035,6 +1365,12 @@ static struct v4l2_m2m_ops s5p_jpeg_m2m_ops = {
        .device_run     = s5p_jpeg_device_run,
        .job_ready      = s5p_jpeg_job_ready,
        .job_abort      = s5p_jpeg_job_abort,
+}
+;
+static struct v4l2_m2m_ops exynos_jpeg_m2m_ops = {
+       .device_run     = exynos4_jpeg_device_run,
+       .job_ready      = s5p_jpeg_job_ready,
+       .job_abort      = s5p_jpeg_job_abort,
 };
 
 /*
@@ -1241,6 +1577,69 @@ static irqreturn_t s5p_jpeg_irq(int irq, void *dev_id)
        return IRQ_HANDLED;
 }
 
+static irqreturn_t exynos4_jpeg_irq(int irq, void *priv)
+{
+       unsigned int int_status;
+       struct vb2_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);
+
+       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, 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);
+       }
+
+       v4l2_m2m_job_finish(jpeg->m2m_dev, curr_ctx->fh.m2m_ctx);
+       curr_ctx->subsampling = exynos4_jpeg_get_frame_fmt(jpeg->regs);
+
+       spin_unlock(&jpeg->slock);
+       return IRQ_HANDLED;
+}
+
+static void *jpeg_get_drv_data(struct platform_device *pdev);
+
 /*
  * ============================================================================
  * Driver basic infrastructure
@@ -1251,13 +1650,19 @@ static int s5p_jpeg_probe(struct platform_device *pdev)
 {
        struct s5p_jpeg *jpeg;
        struct resource *res;
+       struct v4l2_m2m_ops *samsung_jpeg_m2m_ops;
        int ret;
 
+       if (!pdev->dev.of_node)
+               return -ENODEV;
+
        /* 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);
+
        mutex_init(&jpeg->lock);
        spin_lock_init(&jpeg->slock);
        jpeg->dev = &pdev->dev;
@@ -1276,8 +1681,8 @@ static int s5p_jpeg_probe(struct platform_device *pdev)
                return ret;
        }
 
-       ret = devm_request_irq(&pdev->dev, jpeg->irq, s5p_jpeg_irq, 0,
-                       dev_name(&pdev->dev), jpeg);
+       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;
@@ -1299,8 +1704,13 @@ static int s5p_jpeg_probe(struct platform_device *pdev)
                goto clk_get_rollback;
        }
 
+       if (jpeg->variant->version == SJPEG_S5P)
+               samsung_jpeg_m2m_ops = &s5p_jpeg_m2m_ops;
+       else
+               samsung_jpeg_m2m_ops = &exynos_jpeg_m2m_ops;
+
        /* mem2mem device */
-       jpeg->m2m_dev = v4l2_m2m_init(&s5p_jpeg_m2m_ops);
+       jpeg->m2m_dev = v4l2_m2m_init(samsung_jpeg_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);
@@ -1448,12 +1858,16 @@ static int s5p_jpeg_runtime_resume(struct device *dev)
 
        /*
         * JPEG IP allows storing two Huffman tables for each component
-        * We fill table 0 for each component
+        * We fill table 0 for each component and do this here only
+        * for S5PC210 device as Exynos4x12 requires programming its
+        * Huffman tables each time the encoding process is initialized.
         */
-       s5p_jpeg_set_hdctbl(jpeg->regs);
-       s5p_jpeg_set_hdctblg(jpeg->regs);
-       s5p_jpeg_set_hactbl(jpeg->regs);
-       s5p_jpeg_set_hactblg(jpeg->regs);
+       if (jpeg->variant->version == SJPEG_S5P) {
+               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);
 
@@ -1482,27 +1896,60 @@ static const struct dev_pm_ops s5p_jpeg_pm_ops = {
 };
 
 #ifdef CONFIG_OF
-static const struct of_device_id s5p_jpeg_of_match[] = {
-       { .compatible = "samsung,s5pv210-jpeg" },
-       { .compatible = "samsung,exynos4210-jpeg" },
-       { /* sentinel */ },
+static struct s5p_jpeg_variant s5p_jpeg_drvdata = {
+       .version        = SJPEG_S5P,
+       .jpeg_irq       = s5p_jpeg_irq,
 };
-MODULE_DEVICE_TABLE(of, s5p_jpeg_of_match);
+
+static struct s5p_jpeg_variant exynos4_jpeg_drvdata = {
+       .version        = SJPEG_EXYNOS4,
+       .jpeg_irq       = exynos4_jpeg_irq,
+};
+
+static const struct of_device_id samsung_jpeg_match[] = {
+       {
+               .compatible = "samsung,s5pv210-jpeg",
+               .data = &s5p_jpeg_drvdata,
+       }, {
+               .compatible = "samsung,exynos4210-jpeg",
+               .data = &s5p_jpeg_drvdata,
+       }, {
+               .compatible = "samsung,exynos4212-jpeg",
+               .data = &exynos4_jpeg_drvdata,
+       },
+       {},
+};
+
+MODULE_DEVICE_TABLE(of, samsung_jpeg_match);
+
+static void *jpeg_get_drv_data(struct platform_device *pdev)
+{
+       struct s5p_jpeg_variant *driver_data = NULL;
+       const struct of_device_id *match;
+
+       match = of_match_node(of_match_ptr(samsung_jpeg_match),
+                                        pdev->dev.of_node);
+       if (match)
+               driver_data = (struct s5p_jpeg_variant *)match->data;
+
+       return driver_data;
+}
 #endif
 
 static struct platform_driver s5p_jpeg_driver = {
        .probe = s5p_jpeg_probe,
        .remove = s5p_jpeg_remove,
        .driver = {
-               .of_match_table = of_match_ptr(s5p_jpeg_of_match),
-               .owner = THIS_MODULE,
-               .name = S5P_JPEG_M2M_NAME,
-               .pm = &s5p_jpeg_pm_ops,
+               .of_match_table = of_match_ptr(samsung_jpeg_match),
+               .owner          = THIS_MODULE,
+               .name           = S5P_JPEG_M2M_NAME,
+               .pm             = &s5p_jpeg_pm_ops,
        },
 };
 
 module_platform_driver(s5p_jpeg_driver);
 
 MODULE_AUTHOR("Andrzej Pietrasiewicz <andrzej.p@samsung.com>");
+MODULE_AUTHOR("Jacek Anaszewski <j.anaszewski@samsung.com>");
 MODULE_DESCRIPTION("Samsung JPEG codec driver");
 MODULE_LICENSE("GPL");
index 7baadf3..f482dbf 100644 (file)
@@ -13,6 +13,7 @@
 #ifndef JPEG_CORE_H_
 #define JPEG_CORE_H_
 
+#include <linux/interrupt.h>
 #include <media/v4l2-device.h>
 #include <media/v4l2-fh.h>
 #include <media/v4l2-ctrls.h>
 #define EOI                            0xd9
 #define DHP                            0xde
 
+/* Flags that indicate a format can be used for capture/output */
+#define SJPEG_FMT_FLAG_ENC_CAPTURE     (1 << 0)
+#define SJPEG_FMT_FLAG_ENC_OUTPUT      (1 << 1)
+#define SJPEG_FMT_FLAG_DEC_CAPTURE     (1 << 2)
+#define SJPEG_FMT_FLAG_DEC_OUTPUT      (1 << 3)
+#define SJPEG_FMT_FLAG_S5P             (1 << 4)
+#define SJPEG_FMT_FLAG_EXYNOS4         (1 << 5)
+#define SJPEG_FMT_RGB                  (1 << 6)
+#define SJPEG_FMT_NON_RGB              (1 << 7)
+
 #define S5P_JPEG_ENCODE                0
 #define S5P_JPEG_DECODE                1
 
-/* Flags that indicate a format can be used for capture/output */
-#define MEM2MEM_CAPTURE                        (1 << 0)
-#define MEM2MEM_OUTPUT                 (1 << 1)
+#define FMT_TYPE_OUTPUT                0
+#define FMT_TYPE_CAPTURE       1
+
+#define SJPEG_SUBSAMPLING_444  0x11
+#define SJPEG_SUBSAMPLING_422  0x21
+#define SJPEG_SUBSAMPLING_420  0x22
 
+/* Version numbers */
+
+#define SJPEG_S5P      1
+#define SJPEG_EXYNOS4  2
+
+enum exynos4_jpeg_result {
+       OK_ENC_OR_DEC,
+       ERR_PROT,
+       ERR_DEC_INVALID_FORMAT,
+       ERR_MULTI_SCAN,
+       ERR_FRAME,
+       ERR_UNKNOWN,
+};
 
+enum  exynos4_jpeg_img_quality_level {
+       QUALITY_LEVEL_1 = 0,    /* high */
+       QUALITY_LEVEL_2,
+       QUALITY_LEVEL_3,
+       QUALITY_LEVEL_4,        /* low */
+};
 
 /**
  * struct s5p_jpeg - JPEG IP abstraction
@@ -76,9 +109,16 @@ struct s5p_jpeg {
 
        void __iomem            *regs;
        unsigned int            irq;
+       enum exynos4_jpeg_result irq_ret;
        struct clk              *clk;
        struct device           *dev;
        void                    *alloc_ctx;
+       struct s5p_jpeg_variant *variant;
+};
+
+struct s5p_jpeg_variant {
+       unsigned int    version;
+       irqreturn_t     (*jpeg_irq)(int irq, void *priv);
 };
 
 /**
@@ -89,16 +129,18 @@ struct s5p_jpeg {
  * @colplanes: number of color planes (1 for packed formats)
  * @h_align:   horizontal alignment order (align to 2^h_align)
  * @v_align:   vertical alignment order (align to 2^v_align)
- * @types:     types of queue this format is applicable to
+ * @flags:     flags describing format applicability
  */
 struct s5p_jpeg_fmt {
        char    *name;
        u32     fourcc;
        int     depth;
        int     colplanes;
+       int     memplanes;
        int     h_align;
        int     v_align;
-       u32     types;
+       int     subsampling;
+       u32     flags;
 };
 
 /**
@@ -150,4 +192,16 @@ struct s5p_jpeg_buffer {
        unsigned long data;
 };
 
+/**
+ * struct s5p_jpeg_addr - JPEG converter physical address set for DMA
+ * @y:   luminance plane physical address
+ * @cb:  Cb plane physical address
+ * @cr:  Cr plane physical address
+ */
+struct s5p_jpeg_addr {
+       u32     y;
+       u32     cb;
+       u32     cr;
+};
+
 #endif /* JPEG_CORE_H */
diff --git a/drivers/media/platform/s5p-jpeg/jpeg-hw-exynos4.c b/drivers/media/platform/s5p-jpeg/jpeg-hw-exynos4.c
new file mode 100644 (file)
index 0000000..da8d6a1
--- /dev/null
@@ -0,0 +1,279 @@
+/* Copyright (c) 2013 Samsung Electronics Co., Ltd.
+ *             http://www.samsung.com/
+ *
+ * Author: Jacek Anaszewski <j.anaszewski@samsung.com>
+ *
+ * Register interface file for JPEG driver on Exynos4x12.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/io.h>
+#include <linux/delay.h>
+
+#include "jpeg-core.h"
+#include "jpeg-hw-exynos4.h"
+#include "jpeg-regs.h"
+
+void exynos4_jpeg_sw_reset(void __iomem *base)
+{
+       unsigned int reg;
+
+       reg = readl(base + EXYNOS4_JPEG_CNTL_REG);
+       writel(reg & ~EXYNOS4_SOFT_RESET_HI, base + EXYNOS4_JPEG_CNTL_REG);
+
+       ndelay(100000);
+
+       writel(reg | EXYNOS4_SOFT_RESET_HI, base + EXYNOS4_JPEG_CNTL_REG);
+}
+
+void exynos4_jpeg_set_enc_dec_mode(void __iomem *base, unsigned int mode)
+{
+       unsigned int reg;
+
+       reg = readl(base + EXYNOS4_JPEG_CNTL_REG);
+       /* set exynos4_jpeg mod register */
+       if (mode == S5P_JPEG_DECODE) {
+               writel((reg & EXYNOS4_ENC_DEC_MODE_MASK) |
+                                       EXYNOS4_DEC_MODE,
+                       base + EXYNOS4_JPEG_CNTL_REG);
+       } else {/* encode */
+               writel((reg & EXYNOS4_ENC_DEC_MODE_MASK) |
+                                       EXYNOS4_ENC_MODE,
+                       base + EXYNOS4_JPEG_CNTL_REG);
+       }
+}
+
+void exynos4_jpeg_set_img_fmt(void __iomem *base, unsigned int img_fmt)
+{
+       unsigned int reg;
+
+       reg = readl(base + EXYNOS4_IMG_FMT_REG) &
+                       EXYNOS4_ENC_IN_FMT_MASK; /* clear except enc format */
+
+       switch (img_fmt) {
+       case V4L2_PIX_FMT_GREY:
+               reg = reg | EXYNOS4_ENC_GRAY_IMG | EXYNOS4_GRAY_IMG_IP;
+               break;
+       case V4L2_PIX_FMT_RGB32:
+               reg = reg | EXYNOS4_ENC_RGB_IMG |
+                               EXYNOS4_RGB_IP_RGB_32BIT_IMG;
+               break;
+       case V4L2_PIX_FMT_RGB565:
+               reg = reg | EXYNOS4_ENC_RGB_IMG |
+                               EXYNOS4_RGB_IP_RGB_16BIT_IMG;
+               break;
+       case V4L2_PIX_FMT_NV24:
+               reg = reg | EXYNOS4_ENC_YUV_444_IMG |
+                               EXYNOS4_YUV_444_IP_YUV_444_2P_IMG |
+                               EXYNOS4_SWAP_CHROMA_CBCR;
+               break;
+       case V4L2_PIX_FMT_NV42:
+               reg = reg | EXYNOS4_ENC_YUV_444_IMG |
+                               EXYNOS4_YUV_444_IP_YUV_444_2P_IMG |
+                               EXYNOS4_SWAP_CHROMA_CRCB;
+               break;
+       case V4L2_PIX_FMT_YUYV:
+               reg = reg | EXYNOS4_DEC_YUV_422_IMG |
+                               EXYNOS4_YUV_422_IP_YUV_422_1P_IMG |
+                               EXYNOS4_SWAP_CHROMA_CBCR;
+               break;
+
+       case V4L2_PIX_FMT_YVYU:
+               reg = reg | EXYNOS4_DEC_YUV_422_IMG |
+                               EXYNOS4_YUV_422_IP_YUV_422_1P_IMG |
+                               EXYNOS4_SWAP_CHROMA_CRCB;
+               break;
+       case V4L2_PIX_FMT_NV16:
+               reg = reg | EXYNOS4_DEC_YUV_422_IMG |
+                               EXYNOS4_YUV_422_IP_YUV_422_2P_IMG |
+                               EXYNOS4_SWAP_CHROMA_CBCR;
+               break;
+       case V4L2_PIX_FMT_NV61:
+               reg = reg | EXYNOS4_DEC_YUV_422_IMG |
+                               EXYNOS4_YUV_422_IP_YUV_422_2P_IMG |
+                               EXYNOS4_SWAP_CHROMA_CRCB;
+               break;
+       case V4L2_PIX_FMT_NV12:
+               reg = reg | EXYNOS4_DEC_YUV_420_IMG |
+                               EXYNOS4_YUV_420_IP_YUV_420_2P_IMG |
+                               EXYNOS4_SWAP_CHROMA_CBCR;
+               break;
+       case V4L2_PIX_FMT_NV21:
+               reg = reg | EXYNOS4_DEC_YUV_420_IMG |
+                               EXYNOS4_YUV_420_IP_YUV_420_2P_IMG |
+                               EXYNOS4_SWAP_CHROMA_CRCB;
+               break;
+       case V4L2_PIX_FMT_YUV420:
+               reg = reg | EXYNOS4_DEC_YUV_420_IMG |
+                               EXYNOS4_YUV_420_IP_YUV_420_3P_IMG |
+                               EXYNOS4_SWAP_CHROMA_CBCR;
+               break;
+       default:
+               break;
+
+       }
+
+       writel(reg, base + EXYNOS4_IMG_FMT_REG);
+}
+
+void exynos4_jpeg_set_enc_out_fmt(void __iomem *base, unsigned int out_fmt)
+{
+       unsigned int reg;
+
+       reg = readl(base + EXYNOS4_IMG_FMT_REG) &
+                       ~EXYNOS4_ENC_FMT_MASK; /* clear enc format */
+
+       switch (out_fmt) {
+       case V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY:
+               reg = reg | EXYNOS4_ENC_FMT_GRAY;
+               break;
+
+       case V4L2_JPEG_CHROMA_SUBSAMPLING_444:
+               reg = reg | EXYNOS4_ENC_FMT_YUV_444;
+               break;
+
+       case V4L2_JPEG_CHROMA_SUBSAMPLING_422:
+               reg = reg | EXYNOS4_ENC_FMT_YUV_422;
+               break;
+
+       case V4L2_JPEG_CHROMA_SUBSAMPLING_420:
+               reg = reg | EXYNOS4_ENC_FMT_YUV_420;
+               break;
+
+       default:
+               break;
+       }
+
+       writel(reg, base + EXYNOS4_IMG_FMT_REG);
+}
+
+void exynos4_jpeg_set_interrupt(void __iomem *base)
+{
+       unsigned int reg;
+
+       reg = readl(base + EXYNOS4_INT_EN_REG) & ~EXYNOS4_INT_EN_MASK;
+       writel(EXYNOS4_INT_EN_ALL, base + EXYNOS4_INT_EN_REG);
+}
+
+unsigned int exynos4_jpeg_get_int_status(void __iomem *base)
+{
+       unsigned int    int_status;
+
+       int_status = readl(base + EXYNOS4_INT_STATUS_REG);
+
+       return int_status;
+}
+
+unsigned int exynos4_jpeg_get_fifo_status(void __iomem *base)
+{
+       unsigned int fifo_status;
+
+       fifo_status = readl(base + EXYNOS4_FIFO_STATUS_REG);
+
+       return fifo_status;
+}
+
+void exynos4_jpeg_set_huf_table_enable(void __iomem *base, int value)
+{
+       unsigned int    reg;
+
+       reg = readl(base + EXYNOS4_JPEG_CNTL_REG) & ~EXYNOS4_HUF_TBL_EN;
+
+       if (value == 1)
+               writel(reg | EXYNOS4_HUF_TBL_EN,
+                                       base + EXYNOS4_JPEG_CNTL_REG);
+       else
+               writel(reg | ~EXYNOS4_HUF_TBL_EN,
+                                       base + EXYNOS4_JPEG_CNTL_REG);
+}
+
+void exynos4_jpeg_set_sys_int_enable(void __iomem *base, int value)
+{
+       unsigned int    reg;
+
+       reg = readl(base + EXYNOS4_JPEG_CNTL_REG) & ~(EXYNOS4_SYS_INT_EN);
+
+       if (value == 1)
+               writel(EXYNOS4_SYS_INT_EN, base + EXYNOS4_JPEG_CNTL_REG);
+       else
+               writel(~EXYNOS4_SYS_INT_EN, base + EXYNOS4_JPEG_CNTL_REG);
+}
+
+void exynos4_jpeg_set_stream_buf_address(void __iomem *base,
+                                        unsigned int address)
+{
+       writel(address, base + EXYNOS4_OUT_MEM_BASE_REG);
+}
+
+void exynos4_jpeg_set_stream_size(void __iomem *base,
+               unsigned int x_value, unsigned int y_value)
+{
+       writel(0x0, base + EXYNOS4_JPEG_IMG_SIZE_REG); /* clear */
+       writel(EXYNOS4_X_SIZE(x_value) | EXYNOS4_Y_SIZE(y_value),
+                       base + EXYNOS4_JPEG_IMG_SIZE_REG);
+}
+
+void exynos4_jpeg_set_frame_buf_address(void __iomem *base,
+                               struct s5p_jpeg_addr *exynos4_jpeg_addr)
+{
+       writel(exynos4_jpeg_addr->y, base + EXYNOS4_IMG_BA_PLANE_1_REG);
+       writel(exynos4_jpeg_addr->cb, base + EXYNOS4_IMG_BA_PLANE_2_REG);
+       writel(exynos4_jpeg_addr->cr, base + EXYNOS4_IMG_BA_PLANE_3_REG);
+}
+
+void exynos4_jpeg_set_encode_tbl_select(void __iomem *base,
+               enum exynos4_jpeg_img_quality_level level)
+{
+       unsigned int    reg;
+
+       reg = EXYNOS4_Q_TBL_COMP1_0 | EXYNOS4_Q_TBL_COMP2_1 |
+               EXYNOS4_Q_TBL_COMP3_1 |
+               EXYNOS4_HUFF_TBL_COMP1_AC_0_DC_1 |
+               EXYNOS4_HUFF_TBL_COMP2_AC_0_DC_0 |
+               EXYNOS4_HUFF_TBL_COMP3_AC_1_DC_1;
+
+       writel(reg, base + EXYNOS4_TBL_SEL_REG);
+}
+
+void exynos4_jpeg_set_encode_hoff_cnt(void __iomem *base, unsigned int fmt)
+{
+       if (fmt == V4L2_PIX_FMT_GREY)
+               writel(0xd2, base + EXYNOS4_HUFF_CNT_REG);
+       else
+               writel(0x1a2, base + EXYNOS4_HUFF_CNT_REG);
+}
+
+unsigned int exynos4_jpeg_get_stream_size(void __iomem *base)
+{
+       unsigned int size;
+
+       size = readl(base + EXYNOS4_BITSTREAM_SIZE_REG);
+       return size;
+}
+
+void exynos4_jpeg_set_dec_bitstream_size(void __iomem *base, unsigned int size)
+{
+       writel(size, base + EXYNOS4_BITSTREAM_SIZE_REG);
+}
+
+void exynos4_jpeg_get_frame_size(void __iomem *base,
+                       unsigned int *width, unsigned int *height)
+{
+       *width = (readl(base + EXYNOS4_DECODE_XY_SIZE_REG) &
+                               EXYNOS4_DECODED_SIZE_MASK);
+       *height = (readl(base + EXYNOS4_DECODE_XY_SIZE_REG) >> 16) &
+                               EXYNOS4_DECODED_SIZE_MASK;
+}
+
+unsigned int exynos4_jpeg_get_frame_fmt(void __iomem *base)
+{
+       return readl(base + EXYNOS4_DECODE_IMG_FMT_REG) &
+                               EXYNOS4_JPEG_DECODED_IMG_FMT_MASK;
+}
+
+void exynos4_jpeg_set_timer_count(void __iomem *base, unsigned int size)
+{
+       writel(size, base + EXYNOS4_INT_TIMER_COUNT_REG);
+}
diff --git a/drivers/media/platform/s5p-jpeg/jpeg-hw-exynos4.h b/drivers/media/platform/s5p-jpeg/jpeg-hw-exynos4.h
new file mode 100644 (file)
index 0000000..c228d28
--- /dev/null
@@ -0,0 +1,42 @@
+/* Copyright (c) 2013 Samsung Electronics Co., Ltd.
+ *             http://www.samsung.com/
+ *
+ * Author: Jacek Anaszewski <j.anaszewski@samsung.com>
+ *
+ * Header file of the register interface for JPEG driver on Exynos4x12.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef JPEG_HW_EXYNOS4_H_
+#define JPEG_HW_EXYNOS4_H_
+
+void exynos4_jpeg_sw_reset(void __iomem *base);
+void exynos4_jpeg_set_enc_dec_mode(void __iomem *base, unsigned int mode);
+void exynos4_jpeg_set_img_fmt(void __iomem *base, unsigned int img_fmt);
+void exynos4_jpeg_set_enc_out_fmt(void __iomem *base, unsigned int out_fmt);
+void exynos4_jpeg_set_enc_tbl(void __iomem *base);
+void exynos4_jpeg_set_interrupt(void __iomem *base);
+unsigned int exynos4_jpeg_get_int_status(void __iomem *base);
+void exynos4_jpeg_set_huf_table_enable(void __iomem *base, int value);
+void exynos4_jpeg_set_sys_int_enable(void __iomem *base, int value);
+void exynos4_jpeg_set_stream_buf_address(void __iomem *base,
+                                        unsigned int address);
+void exynos4_jpeg_set_stream_size(void __iomem *base,
+               unsigned int x_value, unsigned int y_value);
+void exynos4_jpeg_set_frame_buf_address(void __iomem *base,
+                               struct s5p_jpeg_addr *jpeg_addr);
+void exynos4_jpeg_set_encode_tbl_select(void __iomem *base,
+               enum exynos4_jpeg_img_quality_level level);
+void exynos4_jpeg_set_encode_hoff_cnt(void __iomem *base, unsigned int fmt);
+void exynos4_jpeg_set_dec_bitstream_size(void __iomem *base, unsigned int size);
+unsigned int exynos4_jpeg_get_stream_size(void __iomem *base);
+void exynos4_jpeg_get_frame_size(void __iomem *base,
+                       unsigned int *width, unsigned int *height);
+unsigned int exynos4_jpeg_get_frame_fmt(void __iomem *base);
+unsigned int exynos4_jpeg_get_fifo_status(void __iomem *base);
+void exynos4_jpeg_set_timer_count(void __iomem *base, unsigned int size);
+
+#endif /* JPEG_HW_EXYNOS4_H_ */
index 38e5081..33f2c73 100644 (file)
@@ -2,10 +2,11 @@
  *
  * Register definition file for Samsung JPEG codec driver
  *
- * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2011-2013 Samsung Electronics Co., Ltd.
  *             http://www.samsung.com
  *
  * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
+ * Author: Jacek Anaszewski <j.anaszewski@samsung.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -15,6 +16,8 @@
 #ifndef JPEG_REGS_H_
 #define JPEG_REGS_H_
 
+/* Register and bit definitions for S5PC210 */
+
 /* JPEG mode register */
 #define S5P_JPGMOD                     0x00
 #define S5P_PROC_MODE_MASK             (0x1 << 3)
 /* JPEG AC Huffman table register */
 #define S5P_JPG_HACTBLG(n)             (0x8c0 + (n) * 0x400)
 
+
+/* Register and bit definitions for Exynos 4x12 */
+
+/* JPEG Codec Control Registers */
+#define EXYNOS4_JPEG_CNTL_REG          0x00
+#define EXYNOS4_INT_EN_REG             0x04
+#define EXYNOS4_INT_TIMER_COUNT_REG    0x08
+#define EXYNOS4_INT_STATUS_REG         0x0c
+#define EXYNOS4_OUT_MEM_BASE_REG               0x10
+#define EXYNOS4_JPEG_IMG_SIZE_REG      0x14
+#define EXYNOS4_IMG_BA_PLANE_1_REG     0x18
+#define EXYNOS4_IMG_SO_PLANE_1_REG     0x1c
+#define EXYNOS4_IMG_PO_PLANE_1_REG     0x20
+#define EXYNOS4_IMG_BA_PLANE_2_REG     0x24
+#define EXYNOS4_IMG_SO_PLANE_2_REG     0x28
+#define EXYNOS4_IMG_PO_PLANE_2_REG     0x2c
+#define EXYNOS4_IMG_BA_PLANE_3_REG     0x30
+#define EXYNOS4_IMG_SO_PLANE_3_REG     0x34
+#define EXYNOS4_IMG_PO_PLANE_3_REG     0x38
+
+#define EXYNOS4_TBL_SEL_REG            0x3c
+
+#define EXYNOS4_IMG_FMT_REG            0x40
+
+#define EXYNOS4_BITSTREAM_SIZE_REG     0x44
+#define EXYNOS4_PADDING_REG            0x48
+#define EXYNOS4_HUFF_CNT_REG           0x4c
+#define EXYNOS4_FIFO_STATUS_REG        0x50
+#define EXYNOS4_DECODE_XY_SIZE_REG     0x54
+#define EXYNOS4_DECODE_IMG_FMT_REG     0x58
+
+#define EXYNOS4_QUAN_TBL_ENTRY_REG     0x100
+#define EXYNOS4_HUFF_TBL_ENTRY_REG     0x200
+
+
+/****************************************************************/
+/* Bit definition part                                         */
+/****************************************************************/
+
+/* JPEG CNTL Register bit */
+#define EXYNOS4_ENC_DEC_MODE_MASK      (0xfffffffc << 0)
+#define EXYNOS4_DEC_MODE                       (1 << 0)
+#define EXYNOS4_ENC_MODE                       (1 << 1)
+#define EXYNOS4_AUTO_RST_MARKER                (1 << 2)
+#define EXYNOS4_RST_INTERVAL_SHIFT     3
+#define EXYNOS4_RST_INTERVAL(x)                (((x) & 0xffff) \
+                                               << EXYNOS4_RST_INTERVAL_SHIFT)
+#define EXYNOS4_HUF_TBL_EN             (1 << 19)
+#define EXYNOS4_HOR_SCALING_SHIFT      20
+#define EXYNOS4_HOR_SCALING_MASK               (3 << EXYNOS4_HOR_SCALING_SHIFT)
+#define EXYNOS4_HOR_SCALING(x)         (((x) & 0x3) \
+                                               << EXYNOS4_HOR_SCALING_SHIFT)
+#define EXYNOS4_VER_SCALING_SHIFT      22
+#define EXYNOS4_VER_SCALING_MASK               (3 << EXYNOS4_VER_SCALING_SHIFT)
+#define EXYNOS4_VER_SCALING(x)         (((x) & 0x3) \
+                                               << EXYNOS4_VER_SCALING_SHIFT)
+#define EXYNOS4_PADDING                        (1 << 27)
+#define EXYNOS4_SYS_INT_EN             (1 << 28)
+#define EXYNOS4_SOFT_RESET_HI          (1 << 29)
+
+/* JPEG INT Register bit */
+#define EXYNOS4_INT_EN_MASK            (0x1f << 0)
+#define EXYNOS4_PROT_ERR_INT_EN                (1 << 0)
+#define EXYNOS4_IMG_COMPLETION_INT_EN  (1 << 1)
+#define EXYNOS4_DEC_INVALID_FORMAT_EN  (1 << 2)
+#define EXYNOS4_MULTI_SCAN_ERROR_EN    (1 << 3)
+#define EXYNOS4_FRAME_ERR_EN           (1 << 4)
+#define EXYNOS4_INT_EN_ALL             (0x1f << 0)
+
+#define EXYNOS4_MOD_REG_PROC_ENC               (0 << 3)
+#define EXYNOS4_MOD_REG_PROC_DEC               (1 << 3)
+
+#define EXYNOS4_MOD_REG_SUBSAMPLE_444  (0 << 0)
+#define EXYNOS4_MOD_REG_SUBSAMPLE_422  (1 << 0)
+#define EXYNOS4_MOD_REG_SUBSAMPLE_420  (2 << 0)
+#define EXYNOS4_MOD_REG_SUBSAMPLE_GRAY (3 << 0)
+
+
+/* JPEG IMAGE SIZE Register bit */
+#define EXYNOS4_X_SIZE_SHIFT           0
+#define EXYNOS4_X_SIZE_MASK            (0xffff << EXYNOS4_X_SIZE_SHIFT)
+#define EXYNOS4_X_SIZE(x)              (((x) & 0xffff) << EXYNOS4_X_SIZE_SHIFT)
+#define EXYNOS4_Y_SIZE_SHIFT           16
+#define EXYNOS4_Y_SIZE_MASK            (0xffff << EXYNOS4_Y_SIZE_SHIFT)
+#define EXYNOS4_Y_SIZE(x)              (((x) & 0xffff) << EXYNOS4_Y_SIZE_SHIFT)
+
+/* JPEG IMAGE FORMAT Register bit */
+#define EXYNOS4_ENC_IN_FMT_MASK                0xffff0000
+#define EXYNOS4_ENC_GRAY_IMG           (0 << 0)
+#define EXYNOS4_ENC_RGB_IMG            (1 << 0)
+#define EXYNOS4_ENC_YUV_444_IMG                (2 << 0)
+#define EXYNOS4_ENC_YUV_422_IMG                (3 << 0)
+#define EXYNOS4_ENC_YUV_440_IMG                (4 << 0)
+
+#define EXYNOS4_DEC_GRAY_IMG           (0 << 0)
+#define EXYNOS4_DEC_RGB_IMG            (1 << 0)
+#define EXYNOS4_DEC_YUV_444_IMG                (2 << 0)
+#define EXYNOS4_DEC_YUV_422_IMG                (3 << 0)
+#define EXYNOS4_DEC_YUV_420_IMG                (4 << 0)
+
+#define EXYNOS4_GRAY_IMG_IP_SHIFT      3
+#define EXYNOS4_GRAY_IMG_IP_MASK               (7 << EXYNOS4_GRAY_IMG_IP_SHIFT)
+#define EXYNOS4_GRAY_IMG_IP            (4 << EXYNOS4_GRAY_IMG_IP_SHIFT)
+
+#define EXYNOS4_RGB_IP_SHIFT           6
+#define EXYNOS4_RGB_IP_MASK            (7 << EXYNOS4_RGB_IP_SHIFT)
+#define EXYNOS4_RGB_IP_RGB_16BIT_IMG   (4 << EXYNOS4_RGB_IP_SHIFT)
+#define EXYNOS4_RGB_IP_RGB_32BIT_IMG   (5 << EXYNOS4_RGB_IP_SHIFT)
+
+#define EXYNOS4_YUV_444_IP_SHIFT                       9
+#define EXYNOS4_YUV_444_IP_MASK                        (7 << EXYNOS4_YUV_444_IP_SHIFT)
+#define EXYNOS4_YUV_444_IP_YUV_444_2P_IMG      (4 << EXYNOS4_YUV_444_IP_SHIFT)
+#define EXYNOS4_YUV_444_IP_YUV_444_3P_IMG      (5 << EXYNOS4_YUV_444_IP_SHIFT)
+
+#define EXYNOS4_YUV_422_IP_SHIFT                       12
+#define EXYNOS4_YUV_422_IP_MASK                        (7 << EXYNOS4_YUV_422_IP_SHIFT)
+#define EXYNOS4_YUV_422_IP_YUV_422_1P_IMG      (4 << EXYNOS4_YUV_422_IP_SHIFT)
+#define EXYNOS4_YUV_422_IP_YUV_422_2P_IMG      (5 << EXYNOS4_YUV_422_IP_SHIFT)
+#define EXYNOS4_YUV_422_IP_YUV_422_3P_IMG      (6 << EXYNOS4_YUV_422_IP_SHIFT)
+
+#define EXYNOS4_YUV_420_IP_SHIFT                       15
+#define EXYNOS4_YUV_420_IP_MASK                        (7 << EXYNOS4_YUV_420_IP_SHIFT)
+#define EXYNOS4_YUV_420_IP_YUV_420_2P_IMG      (4 << EXYNOS4_YUV_420_IP_SHIFT)
+#define EXYNOS4_YUV_420_IP_YUV_420_3P_IMG      (5 << EXYNOS4_YUV_420_IP_SHIFT)
+
+#define EXYNOS4_ENC_FMT_SHIFT                  24
+#define EXYNOS4_ENC_FMT_MASK                   (3 << EXYNOS4_ENC_FMT_SHIFT)
+#define EXYNOS4_ENC_FMT_GRAY                   (0 << EXYNOS4_ENC_FMT_SHIFT)
+#define EXYNOS4_ENC_FMT_YUV_444                        (1 << EXYNOS4_ENC_FMT_SHIFT)
+#define EXYNOS4_ENC_FMT_YUV_422                        (2 << EXYNOS4_ENC_FMT_SHIFT)
+#define EXYNOS4_ENC_FMT_YUV_420                        (3 << EXYNOS4_ENC_FMT_SHIFT)
+
+#define EXYNOS4_JPEG_DECODED_IMG_FMT_MASK      0x03
+
+#define EXYNOS4_SWAP_CHROMA_CRCB                       (1 << 26)
+#define EXYNOS4_SWAP_CHROMA_CBCR                       (0 << 26)
+
+/* JPEG HUFF count Register bit */
+#define EXYNOS4_HUFF_COUNT_MASK                        0xffff
+
+/* JPEG Decoded_img_x_y_size Register bit */
+#define EXYNOS4_DECODED_SIZE_MASK              0x0000ffff
+
+/* JPEG Decoded image format Register bit */
+#define EXYNOS4_DECODED_IMG_FMT_MASK           0x3
+
+/* JPEG TBL SEL Register bit */
+#define EXYNOS4_Q_TBL_COMP1_0          (0 << 0)
+#define EXYNOS4_Q_TBL_COMP1_1          (1 << 0)
+#define EXYNOS4_Q_TBL_COMP1_2          (2 << 0)
+#define EXYNOS4_Q_TBL_COMP1_3          (3 << 0)
+
+#define EXYNOS4_Q_TBL_COMP2_0          (0 << 2)
+#define EXYNOS4_Q_TBL_COMP2_1          (1 << 2)
+#define EXYNOS4_Q_TBL_COMP2_2          (2 << 2)
+#define EXYNOS4_Q_TBL_COMP2_3          (3 << 2)
+
+#define EXYNOS4_Q_TBL_COMP3_0          (0 << 4)
+#define EXYNOS4_Q_TBL_COMP3_1          (1 << 4)
+#define EXYNOS4_Q_TBL_COMP3_2          (2 << 4)
+#define EXYNOS4_Q_TBL_COMP3_3          (3 << 4)
+
+#define EXYNOS4_HUFF_TBL_COMP1_AC_0_DC_0       (0 << 6)
+#define EXYNOS4_HUFF_TBL_COMP1_AC_0_DC_1       (1 << 6)
+#define EXYNOS4_HUFF_TBL_COMP1_AC_1_DC_0       (2 << 6)
+#define EXYNOS4_HUFF_TBL_COMP1_AC_1_DC_1       (3 << 6)
+
+#define EXYNOS4_HUFF_TBL_COMP2_AC_0_DC_0       (0 << 8)
+#define EXYNOS4_HUFF_TBL_COMP2_AC_0_DC_1       (1 << 8)
+#define EXYNOS4_HUFF_TBL_COMP2_AC_1_DC_0       (2 << 8)
+#define EXYNOS4_HUFF_TBL_COMP2_AC_1_DC_1       (3 << 8)
+
+#define EXYNOS4_HUFF_TBL_COMP3_AC_0_DC_0       (0 << 10)
+#define EXYNOS4_HUFF_TBL_COMP3_AC_0_DC_1       (1 << 10)
+#define EXYNOS4_HUFF_TBL_COMP3_AC_1_DC_0       (2 << 10)
+#define EXYNOS4_HUFF_TBL_COMP3_AC_1_DC_1       (3 << 10)
+
+/* JPEG quantizer table register */
+#define EXYNOS4_QTBL_CONTENT(n)        (0x100 + (n) * 0x40)
+
+/* JPEG DC luminance (code length) Huffman table register */
+#define EXYNOS4_HUFF_TBL_HDCLL 0x200
+
+/* JPEG DC luminance (values) Huffman table register */
+#define EXYNOS4_HUFF_TBL_HDCLV 0x210
+
+/* JPEG DC chrominance (code length) Huffman table register */
+#define EXYNOS4_HUFF_TBL_HDCCL 0x220
+
+/* JPEG DC chrominance (values) Huffman table register */
+#define EXYNOS4_HUFF_TBL_HDCCV 0x230
+
+/* JPEG AC luminance (code length) Huffman table register */
+#define EXYNOS4_HUFF_TBL_HACLL 0x240
+
+/* JPEG AC luminance (values) Huffman table register */
+#define EXYNOS4_HUFF_TBL_HACLV 0x250
+
+/* JPEG AC chrominance (code length) Huffman table register */
+#define EXYNOS4_HUFF_TBL_HACCL 0x300
+
+/* JPEG AC chrominance (values) Huffman table register */
+#define EXYNOS4_HUFF_TBL_HACCV 0x310
+
 #endif /* JPEG_REGS_H_ */