[media] s5p-jpeg: Add support for Exynos3250 SoC
authorJacek Anaszewski <j.anaszewski@samsung.com>
Fri, 11 Jul 2014 15:19:42 +0000 (12:19 -0300)
committerMauro Carvalho Chehab <m.chehab@samsung.com>
Wed, 30 Jul 2014 22:15:06 +0000 (19:15 -0300)
This patch adds support for jpeg codec on Exynos3250 SoC to
the s5p-jpeg driver. Supported raw formats are: YUYV, YVYU, UYVY,
VYUY, RGB565, RGB565X, RGB32, NV12, NV21. The support includes
also scaling and cropping features.

Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
drivers/media/platform/Kconfig
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-exynos3250.c [new file with mode: 0644]
drivers/media/platform/s5p-jpeg/jpeg-hw-exynos3250.h [new file with mode: 0644]
drivers/media/platform/s5p-jpeg/jpeg-regs.h

index 433f0bf2ed603e94d4dcb1b1e7355e976e379dcb..6d86646d97433e2436435d52884e2e92ed1c2e33 100644 (file)
@@ -167,12 +167,13 @@ config VIDEO_SAMSUNG_S5P_G2D
          2d graphics accelerator.
 
 config VIDEO_SAMSUNG_S5P_JPEG
-       tristate "Samsung S5P/Exynos4 JPEG codec driver"
+       tristate "Samsung S5P/Exynos3250/Exynos4 JPEG codec driver"
        depends on VIDEO_DEV && VIDEO_V4L2 && (PLAT_S5P || ARCH_EXYNOS)
        select VIDEOBUF2_DMA_CONTIG
        select V4L2_MEM2MEM_DEV
        ---help---
-         This is a v4l2 driver for Samsung S5P and EXYNOS4 JPEG codec
+         This is a v4l2 driver for Samsung S5P, EXYNOS3250
+         and EXYNOS4 JPEG codec
 
 config VIDEO_SAMSUNG_S5P_MFC
        tristate "Samsung S5P MFC Video Codec"
index a1a9169254c346f96348d871d4d90bff537ae040..9e5f214c4667129dad93736d67a57dffd0d89824 100644 (file)
@@ -1,2 +1,2 @@
-s5p-jpeg-objs := jpeg-core.o jpeg-hw-exynos4.o jpeg-hw-s5p.o
+s5p-jpeg-objs := jpeg-core.o jpeg-hw-exynos3250.o jpeg-hw-exynos4.o jpeg-hw-s5p.o
 obj-$(CONFIG_VIDEO_SAMSUNG_S5P_JPEG) += s5p-jpeg.o
index 0dcb796ecad9faf1dffe6b05079b3b06d6254ec7..126199e010c7161bae30d6f69db51eb386b98ffe 100644 (file)
@@ -1,6 +1,6 @@
 /* linux/drivers/media/platform/s5p-jpeg/jpeg-core.c
  *
- * Copyright (c) 2011-2013 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2011-2014 Samsung Electronics Co., Ltd.
  *             http://www.samsung.com
  *
  * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
@@ -32,6 +32,7 @@
 #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[] = {
@@ -41,6 +42,7 @@ static struct s5p_jpeg_fmt sjpeg_formats[] = {
                .flags          = SJPEG_FMT_FLAG_ENC_CAPTURE |
                                  SJPEG_FMT_FLAG_DEC_OUTPUT |
                                  SJPEG_FMT_FLAG_S5P |
+                                 SJPEG_FMT_FLAG_EXYNOS3250 |
                                  SJPEG_FMT_FLAG_EXYNOS4,
        },
        {
@@ -69,6 +71,19 @@ static struct s5p_jpeg_fmt sjpeg_formats[] = {
                                  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,
+               .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,
+       },
        {
                .name           = "YUV 4:2:2 packed, YCrYCb",
                .fourcc         = V4L2_PIX_FMT_YVYU,
@@ -82,6 +97,45 @@ static struct s5p_jpeg_fmt sjpeg_formats[] = {
                                  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        = 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,
+       },
+       {
+               .name           = "YUV 4:2:2 packed, YCrYCb",
+               .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,
+       },
+       {
+               .name           = "YUV 4:2:2 packed, YCrYCb",
+               .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,
+       },
        {
                .name           = "RGB565",
                .fourcc         = V4L2_PIX_FMT_RGB565,
@@ -95,6 +149,32 @@ static struct s5p_jpeg_fmt sjpeg_formats[] = {
                                  SJPEG_FMT_RGB,
                .subsampling    = V4L2_JPEG_CHROMA_SUBSAMPLING_444,
        },
+       {
+               .name           = "RGB565",
+               .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,
+       },
+       {
+               .name           = "RGB565X",
+               .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,
+       },
        {
                .name           = "RGB565",
                .fourcc         = V4L2_PIX_FMT_RGB565,
@@ -120,6 +200,19 @@ static struct s5p_jpeg_fmt sjpeg_formats[] = {
                                  SJPEG_FMT_RGB,
                .subsampling    = V4L2_JPEG_CHROMA_SUBSAMPLING_444,
        },
+       {
+               .name           = "ARGB8888, 32 bpp",
+               .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,
+       },
        {
                .name           = "YUV 4:4:4 planar, Y/CbCr",
                .fourcc         = V4L2_PIX_FMT_NV24,
@@ -185,6 +278,19 @@ static struct s5p_jpeg_fmt sjpeg_formats[] = {
                                  SJPEG_FMT_NON_RGB,
                .subsampling    = V4L2_JPEG_CHROMA_SUBSAMPLING_420,
        },
+       {
+               .name           = "YUV 4:2:0 planar, Y/CbCr",
+               .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,
+       },
        {
                .name           = "YUV 4:2:0 planar, Y/CbCr",
                .fourcc         = V4L2_PIX_FMT_NV12,
@@ -192,11 +298,25 @@ static struct s5p_jpeg_fmt sjpeg_formats[] = {
                .colplanes      = 2,
                .h_align        = 4,
                .v_align        = 4,
-               .flags          = SJPEG_FMT_FLAG_DEC_CAPTURE |
+               .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           = "YUV 4:2:0 planar, Y/CrCb",
+               .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,
+       },
        {
                .name           = "YUV 4:2:0 planar, Y/CrCb",
                .fourcc         = V4L2_PIX_FMT_NV21,
@@ -206,6 +326,7 @@ static struct s5p_jpeg_fmt sjpeg_formats[] = {
                .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,
@@ -223,6 +344,19 @@ static struct s5p_jpeg_fmt sjpeg_formats[] = {
                                  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        = 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,
+       },
        {
                .name           = "Gray",
                .fourcc         = V4L2_PIX_FMT_GREY,
@@ -457,6 +591,16 @@ static int exynos4x12_decoded_subsampling[] = {
        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);
@@ -471,14 +615,21 @@ static int s5p_jpeg_to_user_subsampling(struct s5p_jpeg_ctx *ctx)
 {
        WARN_ON(ctx->subsampling > 3);
 
-       if (ctx->jpeg->variant->version == SJPEG_S5P) {
+       switch (ctx->jpeg->variant->version) {
+       case SJPEG_S5P:
                if (ctx->subsampling > 2)
                        return V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY;
                return ctx->subsampling;
-       } else {
+       case SJPEG_EXYNOS3250:
+               if (ctx->subsampling > 3)
+                       return V4L2_JPEG_CHROMA_SUBSAMPLING_411;
+               return exynos3250_decoded_subsampling[ctx->subsampling];
+       case SJPEG_EXYNOS4:
                if (ctx->subsampling > 2)
                        return V4L2_JPEG_CHROMA_SUBSAMPLING_420;
                return exynos4x12_decoded_subsampling[ctx->subsampling];
+       default:
+               return V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY;
        }
 }
 
@@ -646,6 +797,7 @@ static int s5p_jpeg_open(struct file *file)
                                                        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);
@@ -1229,6 +1381,101 @@ static int s5p_jpeg_s_fmt_vid_out(struct file *file, void *priv,
        return s5p_jpeg_s_fmt(fh_to_ctx(priv), f);
 }
 
+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;
+}
+
+/* Return 1 if rectangle a is enclosed in rectangle b, or 0 otherwise. */
+static int enclosed_rectangle(struct v4l2_rect *a, struct v4l2_rect *b)
+{
+       if (a->left < b->left || a->top < b->top)
+               return 0;
+       if (a->left + a->width > b->left + b->width)
+               return 0;
+       if (a->top + a->height > b->top + b->height)
+               return 0;
+
+       return 1;
+}
+
+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 (!enclosed_rectangle(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)
 {
@@ -1264,6 +1511,30 @@ static int s5p_jpeg_g_selection(struct file *file, void *priv,
 /*
  * 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->version == SJPEG_EXYNOS3250)
+                       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->version == SJPEG_EXYNOS3250)
+                       ret = exynos3250_jpeg_try_crop(ctx, rect);
+       }
+
+       return ret;
+}
 
 static int s5p_jpeg_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
 {
@@ -1414,6 +1685,7 @@ static const struct v4l2_ioctl_ops s5p_jpeg_ioctl_ops = {
        .vidioc_streamoff               = v4l2_m2m_ioctl_streamoff,
 
        .vidioc_g_selection             = s5p_jpeg_g_selection,
+       .vidioc_s_selection             = s5p_jpeg_s_selection,
 };
 
 /*
@@ -1604,6 +1876,135 @@ static void exynos4_jpeg_device_run(void *priv)
        spin_unlock_irqrestore(&ctx->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_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, 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_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);
+       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);
+
+               /* 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;
@@ -1621,8 +2022,14 @@ 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 exynos3250_jpeg_m2m_ops = {
+       .device_run     = exynos3250_jpeg_device_run,
+       .job_ready      = s5p_jpeg_job_ready,
+       .job_abort      = s5p_jpeg_job_abort,
+};
+
 static struct v4l2_m2m_ops exynos4_jpeg_m2m_ops = {
        .device_run     = exynos4_jpeg_device_run,
        .job_ready      = s5p_jpeg_job_ready,
@@ -1895,6 +2302,70 @@ static irqreturn_t exynos4_jpeg_irq(int irq, void *priv)
        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_buffer *src_buf, *dst_buf;
+       unsigned long payload_size = 0;
+       enum vb2_buffer_state state = VB2_BUF_STATE_DONE;
+       bool interrupt_timeout = 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;
+
+       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)
+               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->v4l2_buf.timecode = src_buf->v4l2_buf.timecode;
+       dst_buf->v4l2_buf.timestamp = src_buf->v4l2_buf.timestamp;
+
+       v4l2_m2m_buf_done(src_buf, state);
+       if (curr_ctx->mode == S5P_JPEG_ENCODE)
+               vb2_set_plane_payload(dst_buf, 0, payload_size);
+       v4l2_m2m_buf_done(dst_buf, state);
+       v4l2_m2m_job_finish(jpeg->m2m_dev, curr_ctx->fh.m2m_ctx);
+
+       curr_ctx->subsampling =
+                       exynos3250_jpeg_get_subsampling_mode(jpeg->regs);
+exit_unlock:
+       spin_unlock(&jpeg->slock);
+       return IRQ_HANDLED;
+}
+
 static void *jpeg_get_drv_data(struct device *dev);
 
 /*
@@ -1950,6 +2421,10 @@ static int s5p_jpeg_probe(struct platform_device *pdev)
        }
        dev_dbg(&pdev->dev, "clock source %p\n", jpeg->clk);
 
+       jpeg->sclk = clk_get(&pdev->dev, "sclk");
+       if (IS_ERR(jpeg->sclk))
+               dev_info(&pdev->dev, "sclk clock not available\n");
+
        /* v4l2 device */
        ret = v4l2_device_register(&pdev->dev, &jpeg->v4l2_dev);
        if (ret) {
@@ -2057,6 +2532,8 @@ device_register_rollback:
 
 clk_get_rollback:
        clk_put(jpeg->clk);
+       if (!IS_ERR(jpeg->sclk))
+               clk_put(jpeg->sclk);
 
        return ret;
 }
@@ -2075,10 +2552,15 @@ static int s5p_jpeg_remove(struct platform_device *pdev)
        v4l2_m2m_release(jpeg->m2m_dev);
        v4l2_device_unregister(&jpeg->v4l2_dev);
 
-       if (!pm_runtime_status_suspended(&pdev->dev))
+       if (!pm_runtime_status_suspended(&pdev->dev)) {
                clk_disable_unprepare(jpeg->clk);
+               if (!IS_ERR(jpeg->sclk))
+                       clk_disable_unprepare(jpeg->sclk);
+       }
 
        clk_put(jpeg->clk);
+       if (!IS_ERR(jpeg->sclk))
+               clk_put(jpeg->sclk);
 
        return 0;
 }
@@ -2088,6 +2570,8 @@ static int s5p_jpeg_runtime_suspend(struct device *dev)
        struct s5p_jpeg *jpeg = dev_get_drvdata(dev);
 
        clk_disable_unprepare(jpeg->clk);
+       if (!IS_ERR(jpeg->sclk))
+               clk_disable_unprepare(jpeg->sclk);
 
        return 0;
 }
@@ -2102,15 +2586,24 @@ static int s5p_jpeg_runtime_resume(struct device *dev)
        if (ret < 0)
                return ret;
 
+       if (!IS_ERR(jpeg->sclk)) {
+               ret = clk_prepare_enable(jpeg->sclk);
+               if (ret < 0)
+                       return ret;
+       }
+
        spin_lock_irqsave(&jpeg->slock, flags);
 
        /*
-        * JPEG IP allows storing two Huffman tables for each component
+        * JPEG IP allows storing two Huffman tables 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.
+        * for S5PC210 and Exynos3250 SoCs. Exynos4x12 SoC requires
+        * programming its 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->version == SJPEG_S5P) {
+       if (jpeg->variant->version == SJPEG_S5P ||
+           jpeg->variant->version == SJPEG_EXYNOS3250) {
                s5p_jpeg_set_hdctbl(jpeg->regs);
                s5p_jpeg_set_hdctblg(jpeg->regs);
                s5p_jpeg_set_hactbl(jpeg->regs);
@@ -2150,6 +2643,13 @@ static struct s5p_jpeg_variant s5p_jpeg_drvdata = {
        .fmt_ver_flag   = SJPEG_FMT_FLAG_S5P,
 };
 
+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,
+};
+
 static struct s5p_jpeg_variant exynos4_jpeg_drvdata = {
        .version        = SJPEG_EXYNOS4,
        .jpeg_irq       = exynos4_jpeg_irq,
@@ -2161,9 +2661,12 @@ 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 = &s5p_jpeg_drvdata,
+               .data = &exynos4_jpeg_drvdata,
        }, {
                .compatible = "samsung,exynos4212-jpeg",
                .data = &exynos4_jpeg_drvdata,
index 3e4786329727087655a0121d52dd2bfd2831a0ca..764b32de326b2cd4e31ab0b5bc4b5641b260e09d 100644 (file)
@@ -35,6 +35,8 @@
 #define S5P_JPEG_COEF32                        0x6e
 #define S5P_JPEG_COEF33                        0x13
 
+#define EXYNOS3250_IRQ_TIMEOUT         0x10000000
+
 /* a selection of JPEG markers */
 #define TEM                            0x01
 #define SOF0                           0xc0
 #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 SJPEG_FMT_FLAG_EXYNOS3250      (1 << 5)
+#define SJPEG_FMT_FLAG_EXYNOS4         (1 << 6)
+#define SJPEG_FMT_RGB                  (1 << 7)
+#define SJPEG_FMT_NON_RGB              (1 << 8)
 
 #define S5P_JPEG_ENCODE                0
 #define S5P_JPEG_DECODE                1
@@ -65,8 +68,9 @@
 
 /* Version numbers */
 
-#define SJPEG_S5P      1
-#define SJPEG_EXYNOS4  2
+#define SJPEG_S5P              1
+#define SJPEG_EXYNOS3250       2
+#define SJPEG_EXYNOS4          3
 
 enum exynos4_jpeg_result {
        OK_ENC_OR_DEC,
@@ -95,8 +99,13 @@ enum  exynos4_jpeg_img_quality_level {
  * @regs:              JPEG IP registers mapping
  * @irq:               JPEG IP irq
  * @clk:               JPEG IP clock
+ * @sclk:              Exynos3250 JPEG IP special clock
  * @dev:               JPEG IP struct device
  * @alloc_ctx:         videobuf2 memory allocator's context
+ * @variant:           driver variant to be used
+ * @irq_status         interrupt flags set during single encode/decode
+                       operation
+
  */
 struct s5p_jpeg {
        struct mutex            lock;
@@ -111,9 +120,11 @@ struct s5p_jpeg {
        unsigned int            irq;
        enum exynos4_jpeg_result irq_ret;
        struct clk              *clk;
+       struct clk              *sclk;
        struct device           *dev;
        void                    *alloc_ctx;
        struct s5p_jpeg_variant *variant;
+       u32                     irq_status;
 };
 
 struct s5p_jpeg_variant {
@@ -164,9 +175,15 @@ struct s5p_jpeg_q_data {
  * @jpeg:              JPEG IP device for this context
  * @mode:              compression (encode) operation or decompression (decode)
  * @compr_quality:     destination image quality in compression (encode) mode
+ * @restart_interval:  JPEG restart interval for JPEG encoding
+ * @subsampling:       subsampling of a raw format or a JPEG
  * @out_q:             source (output) queue information
- * @cap_fmt:           destination (capture) queue queue information
+ * @cap_q:             destination (capture) queue queue information
+ * @scale_factor:      scale factor for JPEG decoding
+ * @crop_rect:         a rectangle representing crop area of the output buffer
+ * @fh:                        V4L2 file handle
  * @hdr_parsed:                set if header has been parsed during decompression
+ * @crop_altered:      set if crop rectangle has been altered by the user space
  * @ctrl_handler:      controls handler
  */
 struct s5p_jpeg_ctx {
@@ -177,8 +194,11 @@ struct s5p_jpeg_ctx {
        unsigned short          subsampling;
        struct s5p_jpeg_q_data  out_q;
        struct s5p_jpeg_q_data  cap_q;
+       unsigned int            scale_factor;
+       struct v4l2_rect        crop_rect;
        struct v4l2_fh          fh;
        bool                    hdr_parsed;
+       bool                    crop_altered;
        struct v4l2_ctrl_handler ctrl_handler;
 };
 
diff --git a/drivers/media/platform/s5p-jpeg/jpeg-hw-exynos3250.c b/drivers/media/platform/s5p-jpeg/jpeg-hw-exynos3250.c
new file mode 100644 (file)
index 0000000..d26e1f8
--- /dev/null
@@ -0,0 +1,487 @@
+/* linux/drivers/media/platform/exynos3250-jpeg/jpeg-hw.h
+ *
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ *             http://www.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
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/io.h>
+#include <linux/videodev2.h>
+#include <linux/delay.h>
+
+#include "jpeg-core.h"
+#include "jpeg-regs.h"
+#include "jpeg-hw-exynos3250.h"
+
+void exynos3250_jpeg_reset(void __iomem *regs)
+{
+       u32 reg = 0;
+       int count = 1000;
+
+       writel(1, regs + EXYNOS3250_SW_RESET);
+       /* no other way but polling for when JPEG IP becomes operational */
+       while (reg != 0 && --count > 0) {
+               udelay(1);
+               cpu_relax();
+               reg = readl(regs + EXYNOS3250_SW_RESET);
+       }
+
+       reg = 0;
+       count = 1000;
+
+       while (reg != 1 && --count > 0) {
+               writel(1, regs + EXYNOS3250_JPGDRI);
+               udelay(1);
+               cpu_relax();
+               reg = readl(regs + EXYNOS3250_JPGDRI);
+       }
+
+       writel(0, regs + EXYNOS3250_JPGDRI);
+}
+
+void exynos3250_jpeg_poweron(void __iomem *regs)
+{
+       writel(EXYNOS3250_POWER_ON, regs + EXYNOS3250_JPGCLKCON);
+}
+
+void exynos3250_jpeg_set_dma_num(void __iomem *regs)
+{
+       writel(((EXYNOS3250_DMA_MO_COUNT << EXYNOS3250_WDMA_ISSUE_NUM_SHIFT) &
+                       EXYNOS3250_WDMA_ISSUE_NUM_MASK) |
+              ((EXYNOS3250_DMA_MO_COUNT << EXYNOS3250_RDMA_ISSUE_NUM_SHIFT) &
+                       EXYNOS3250_RDMA_ISSUE_NUM_MASK) |
+              ((EXYNOS3250_DMA_MO_COUNT << EXYNOS3250_ISSUE_GATHER_NUM_SHIFT) &
+                       EXYNOS3250_ISSUE_GATHER_NUM_MASK),
+               regs + EXYNOS3250_DMA_ISSUE_NUM);
+}
+
+void exynos3250_jpeg_clk_set(void __iomem *base)
+{
+       u32 reg;
+
+       reg = readl(base + EXYNOS3250_JPGCMOD) & ~EXYNOS3250_HALF_EN_MASK;
+
+       writel(reg | EXYNOS3250_HALF_EN, base + EXYNOS3250_JPGCMOD);
+}
+
+void exynos3250_jpeg_input_raw_fmt(void __iomem *regs, unsigned int fmt)
+{
+       u32 reg;
+
+       reg = readl(regs + EXYNOS3250_JPGCMOD) &
+                       EXYNOS3250_MODE_Y16_MASK;
+
+       switch (fmt) {
+       case V4L2_PIX_FMT_RGB32:
+               reg |= EXYNOS3250_MODE_SEL_ARGB8888;
+               break;
+       case V4L2_PIX_FMT_BGR32:
+               reg |= EXYNOS3250_MODE_SEL_ARGB8888 | EXYNOS3250_SRC_SWAP_RGB;
+               break;
+       case V4L2_PIX_FMT_RGB565:
+               reg |= EXYNOS3250_MODE_SEL_RGB565;
+               break;
+       case V4L2_PIX_FMT_RGB565X:
+               reg |= EXYNOS3250_MODE_SEL_RGB565 | EXYNOS3250_SRC_SWAP_RGB;
+               break;
+       case V4L2_PIX_FMT_YUYV:
+               reg |= EXYNOS3250_MODE_SEL_422_1P_LUM_CHR;
+               break;
+       case V4L2_PIX_FMT_YVYU:
+               reg |= EXYNOS3250_MODE_SEL_422_1P_LUM_CHR |
+                       EXYNOS3250_SRC_SWAP_UV;
+               break;
+       case V4L2_PIX_FMT_UYVY:
+               reg |= EXYNOS3250_MODE_SEL_422_1P_CHR_LUM;
+               break;
+       case V4L2_PIX_FMT_VYUY:
+               reg |= EXYNOS3250_MODE_SEL_422_1P_CHR_LUM |
+                       EXYNOS3250_SRC_SWAP_UV;
+               break;
+       case V4L2_PIX_FMT_NV12:
+               reg |= EXYNOS3250_MODE_SEL_420_2P | EXYNOS3250_SRC_NV12;
+               break;
+       case V4L2_PIX_FMT_NV21:
+               reg |= EXYNOS3250_MODE_SEL_420_2P | EXYNOS3250_SRC_NV21;
+               break;
+       case V4L2_PIX_FMT_YUV420:
+               reg |= EXYNOS3250_MODE_SEL_420_3P;
+               break;
+       default:
+               break;
+
+       }
+
+       writel(reg, regs + EXYNOS3250_JPGCMOD);
+}
+
+void exynos3250_jpeg_set_y16(void __iomem *regs, bool y16)
+{
+       u32 reg;
+
+       reg = readl(regs + EXYNOS3250_JPGCMOD);
+       if (y16)
+               reg |= EXYNOS3250_MODE_Y16;
+       else
+               reg &= ~EXYNOS3250_MODE_Y16_MASK;
+       writel(reg, regs + EXYNOS3250_JPGCMOD);
+}
+
+void exynos3250_jpeg_proc_mode(void __iomem *regs, unsigned int mode)
+{
+       u32 reg, m;
+
+       if (mode == S5P_JPEG_ENCODE)
+               m = EXYNOS3250_PROC_MODE_COMPR;
+       else
+               m = EXYNOS3250_PROC_MODE_DECOMPR;
+       reg = readl(regs + EXYNOS3250_JPGMOD);
+       reg &= ~EXYNOS3250_PROC_MODE_MASK;
+       reg |= m;
+       writel(reg, regs + EXYNOS3250_JPGMOD);
+}
+
+void exynos3250_jpeg_subsampling_mode(void __iomem *regs, unsigned int mode)
+{
+       u32 reg, m = 0;
+
+       switch (mode) {
+       case V4L2_JPEG_CHROMA_SUBSAMPLING_444:
+               m = EXYNOS3250_SUBSAMPLING_MODE_444;
+               break;
+       case V4L2_JPEG_CHROMA_SUBSAMPLING_422:
+               m = EXYNOS3250_SUBSAMPLING_MODE_422;
+               break;
+       case V4L2_JPEG_CHROMA_SUBSAMPLING_420:
+               m = EXYNOS3250_SUBSAMPLING_MODE_420;
+               break;
+       }
+
+       reg = readl(regs + EXYNOS3250_JPGMOD);
+       reg &= ~EXYNOS3250_SUBSAMPLING_MODE_MASK;
+       reg |= m;
+       writel(reg, regs + EXYNOS3250_JPGMOD);
+}
+
+unsigned int exynos3250_jpeg_get_subsampling_mode(void __iomem *regs)
+{
+       return readl(regs + EXYNOS3250_JPGMOD) &
+                               EXYNOS3250_SUBSAMPLING_MODE_MASK;
+}
+
+void exynos3250_jpeg_dri(void __iomem *regs, unsigned int dri)
+{
+       u32 reg;
+
+       reg = dri & EXYNOS3250_JPGDRI_MASK;
+       writel(reg, regs + EXYNOS3250_JPGDRI);
+}
+
+void exynos3250_jpeg_qtbl(void __iomem *regs, unsigned int t, unsigned int n)
+{
+       unsigned long reg;
+
+       reg = readl(regs + EXYNOS3250_QHTBL);
+       reg &= ~EXYNOS3250_QT_NUM_MASK(t);
+       reg |= (n << EXYNOS3250_QT_NUM_SHIFT(t)) &
+                                       EXYNOS3250_QT_NUM_MASK(t);
+       writel(reg, regs + EXYNOS3250_QHTBL);
+}
+
+void exynos3250_jpeg_htbl_ac(void __iomem *regs, unsigned int t)
+{
+       unsigned long reg;
+
+       reg = readl(regs + EXYNOS3250_QHTBL);
+       reg &= ~EXYNOS3250_HT_NUM_AC_MASK(t);
+       /* this driver uses table 0 for all color components */
+       reg |= (0 << EXYNOS3250_HT_NUM_AC_SHIFT(t)) &
+                                       EXYNOS3250_HT_NUM_AC_MASK(t);
+       writel(reg, regs + EXYNOS3250_QHTBL);
+}
+
+void exynos3250_jpeg_htbl_dc(void __iomem *regs, unsigned int t)
+{
+       unsigned long reg;
+
+       reg = readl(regs + EXYNOS3250_QHTBL);
+       reg &= ~EXYNOS3250_HT_NUM_DC_MASK(t);
+       /* this driver uses table 0 for all color components */
+       reg |= (0 << EXYNOS3250_HT_NUM_DC_SHIFT(t)) &
+                                       EXYNOS3250_HT_NUM_DC_MASK(t);
+       writel(reg, regs + EXYNOS3250_QHTBL);
+}
+
+void exynos3250_jpeg_set_y(void __iomem *regs, unsigned int y)
+{
+       u32 reg;
+
+       reg = y & EXYNOS3250_JPGY_MASK;
+       writel(reg, regs + EXYNOS3250_JPGY);
+}
+
+void exynos3250_jpeg_set_x(void __iomem *regs, unsigned int x)
+{
+       u32 reg;
+
+       reg = x & EXYNOS3250_JPGX_MASK;
+       writel(reg, regs + EXYNOS3250_JPGX);
+}
+
+unsigned int exynos3250_jpeg_get_y(void __iomem *regs)
+{
+       return readl(regs + EXYNOS3250_JPGY);
+}
+
+unsigned int exynos3250_jpeg_get_x(void __iomem *regs)
+{
+       return readl(regs + EXYNOS3250_JPGX);
+}
+
+void exynos3250_jpeg_interrupts_enable(void __iomem *regs)
+{
+       u32 reg;
+
+       reg = readl(regs + EXYNOS3250_JPGINTSE);
+       reg |= (EXYNOS3250_JPEG_DONE_EN |
+               EXYNOS3250_WDMA_DONE_EN |
+               EXYNOS3250_RDMA_DONE_EN |
+               EXYNOS3250_ENC_STREAM_INT_EN |
+               EXYNOS3250_CORE_DONE_EN |
+               EXYNOS3250_ERR_INT_EN |
+               EXYNOS3250_HEAD_INT_EN);
+       writel(reg, regs + EXYNOS3250_JPGINTSE);
+}
+
+void exynos3250_jpeg_enc_stream_bound(void __iomem *regs, unsigned int size)
+{
+       u32 reg;
+
+       reg = size & EXYNOS3250_ENC_STREAM_BOUND_MASK;
+       writel(reg, regs + EXYNOS3250_ENC_STREAM_BOUND);
+}
+
+void exynos3250_jpeg_output_raw_fmt(void __iomem *regs, unsigned int fmt)
+{
+       u32 reg;
+
+       switch (fmt) {
+       case V4L2_PIX_FMT_RGB32:
+               reg = EXYNOS3250_OUT_FMT_ARGB8888;
+               break;
+       case V4L2_PIX_FMT_BGR32:
+               reg = EXYNOS3250_OUT_FMT_ARGB8888 | EXYNOS3250_OUT_SWAP_RGB;
+               break;
+       case V4L2_PIX_FMT_RGB565:
+               reg = EXYNOS3250_OUT_FMT_RGB565;
+               break;
+       case V4L2_PIX_FMT_RGB565X:
+               reg = EXYNOS3250_OUT_FMT_RGB565 | EXYNOS3250_OUT_SWAP_RGB;
+               break;
+       case V4L2_PIX_FMT_YUYV:
+               reg = EXYNOS3250_OUT_FMT_422_1P_LUM_CHR;
+               break;
+       case V4L2_PIX_FMT_YVYU:
+               reg = EXYNOS3250_OUT_FMT_422_1P_LUM_CHR |
+                       EXYNOS3250_OUT_SWAP_UV;
+               break;
+       case V4L2_PIX_FMT_UYVY:
+               reg = EXYNOS3250_OUT_FMT_422_1P_CHR_LUM;
+               break;
+       case V4L2_PIX_FMT_VYUY:
+               reg = EXYNOS3250_OUT_FMT_422_1P_CHR_LUM |
+                       EXYNOS3250_OUT_SWAP_UV;
+               break;
+       case V4L2_PIX_FMT_NV12:
+               reg = EXYNOS3250_OUT_FMT_420_2P | EXYNOS3250_OUT_NV12;
+               break;
+       case V4L2_PIX_FMT_NV21:
+               reg = EXYNOS3250_OUT_FMT_420_2P | EXYNOS3250_OUT_NV21;
+               break;
+       case V4L2_PIX_FMT_YUV420:
+               reg = EXYNOS3250_OUT_FMT_420_3P;
+               break;
+       default:
+               reg = 0;
+               break;
+       }
+
+       writel(reg, regs + EXYNOS3250_OUTFORM);
+}
+
+void exynos3250_jpeg_jpgadr(void __iomem *regs, unsigned int addr)
+{
+       writel(addr, regs + EXYNOS3250_JPG_JPGADR);
+}
+
+void exynos3250_jpeg_imgadr(void __iomem *regs, struct s5p_jpeg_addr *img_addr)
+{
+       writel(img_addr->y, regs + EXYNOS3250_LUMA_BASE);
+       writel(img_addr->cb, regs + EXYNOS3250_CHROMA_BASE);
+       writel(img_addr->cr, regs + EXYNOS3250_CHROMA_CR_BASE);
+}
+
+void exynos3250_jpeg_stride(void __iomem *regs, unsigned int img_fmt,
+                           unsigned int width)
+{
+       u32 reg_luma = 0, reg_cr = 0, reg_cb = 0;
+
+       switch (img_fmt) {
+       case V4L2_PIX_FMT_RGB32:
+               reg_luma = 4 * width;
+               break;
+       case V4L2_PIX_FMT_RGB565:
+       case V4L2_PIX_FMT_RGB565X:
+       case V4L2_PIX_FMT_YUYV:
+       case V4L2_PIX_FMT_YVYU:
+       case V4L2_PIX_FMT_UYVY:
+       case V4L2_PIX_FMT_VYUY:
+               reg_luma = 2 * width;
+               break;
+       case V4L2_PIX_FMT_NV12:
+       case V4L2_PIX_FMT_NV21:
+               reg_luma = width;
+               reg_cb = reg_luma;
+               break;
+       case V4L2_PIX_FMT_YUV420:
+               reg_luma = width;
+               reg_cb = reg_cr = reg_luma / 2;
+               break;
+       default:
+               break;
+       }
+
+       writel(reg_luma, regs + EXYNOS3250_LUMA_STRIDE);
+       writel(reg_cb, regs + EXYNOS3250_CHROMA_STRIDE);
+       writel(reg_cr, regs + EXYNOS3250_CHROMA_CR_STRIDE);
+}
+
+void exynos3250_jpeg_offset(void __iomem *regs, unsigned int x_offset,
+                               unsigned int y_offset)
+{
+       u32 reg;
+
+       reg = (y_offset << EXYNOS3250_LUMA_YY_OFFSET_SHIFT) &
+                       EXYNOS3250_LUMA_YY_OFFSET_MASK;
+       reg |= (x_offset << EXYNOS3250_LUMA_YX_OFFSET_SHIFT) &
+                       EXYNOS3250_LUMA_YX_OFFSET_MASK;
+
+       writel(reg, regs + EXYNOS3250_LUMA_XY_OFFSET);
+
+       reg = (y_offset << EXYNOS3250_CHROMA_YY_OFFSET_SHIFT) &
+                       EXYNOS3250_CHROMA_YY_OFFSET_MASK;
+       reg |= (x_offset << EXYNOS3250_CHROMA_YX_OFFSET_SHIFT) &
+                       EXYNOS3250_CHROMA_YX_OFFSET_MASK;
+
+       writel(reg, regs + EXYNOS3250_CHROMA_XY_OFFSET);
+
+       reg = (y_offset << EXYNOS3250_CHROMA_CR_YY_OFFSET_SHIFT) &
+                       EXYNOS3250_CHROMA_CR_YY_OFFSET_MASK;
+       reg |= (x_offset << EXYNOS3250_CHROMA_CR_YX_OFFSET_SHIFT) &
+                       EXYNOS3250_CHROMA_CR_YX_OFFSET_MASK;
+
+       writel(reg, regs + EXYNOS3250_CHROMA_CR_XY_OFFSET);
+}
+
+void exynos3250_jpeg_coef(void __iomem *base, unsigned int mode)
+{
+       if (mode == S5P_JPEG_ENCODE) {
+               writel(EXYNOS3250_JPEG_ENC_COEF1,
+                                       base + EXYNOS3250_JPG_COEF(1));
+               writel(EXYNOS3250_JPEG_ENC_COEF2,
+                                       base + EXYNOS3250_JPG_COEF(2));
+               writel(EXYNOS3250_JPEG_ENC_COEF3,
+                                       base + EXYNOS3250_JPG_COEF(3));
+       } else {
+               writel(EXYNOS3250_JPEG_DEC_COEF1,
+                                       base + EXYNOS3250_JPG_COEF(1));
+               writel(EXYNOS3250_JPEG_DEC_COEF2,
+                                       base + EXYNOS3250_JPG_COEF(2));
+               writel(EXYNOS3250_JPEG_DEC_COEF3,
+                                       base + EXYNOS3250_JPG_COEF(3));
+       }
+}
+
+void exynos3250_jpeg_start(void __iomem *regs)
+{
+       writel(1, regs + EXYNOS3250_JSTART);
+}
+
+void exynos3250_jpeg_rstart(void __iomem *regs)
+{
+       writel(1, regs + EXYNOS3250_JRSTART);
+}
+
+unsigned int exynos3250_jpeg_get_int_status(void __iomem *regs)
+{
+       return readl(regs + EXYNOS3250_JPGINTST);
+}
+
+void exynos3250_jpeg_clear_int_status(void __iomem *regs,
+                                               unsigned int value)
+{
+       return writel(value, regs + EXYNOS3250_JPGINTST);
+}
+
+unsigned int exynos3250_jpeg_operating(void __iomem *regs)
+{
+       return readl(regs + S5P_JPGOPR) & EXYNOS3250_JPGOPR_MASK;
+}
+
+unsigned int exynos3250_jpeg_compressed_size(void __iomem *regs)
+{
+       return readl(regs + EXYNOS3250_JPGCNT) & EXYNOS3250_JPGCNT_MASK;
+}
+
+void exynos3250_jpeg_dec_stream_size(void __iomem *regs,
+                                               unsigned int size)
+{
+       writel(size & EXYNOS3250_DEC_STREAM_MASK,
+                               regs + EXYNOS3250_DEC_STREAM_SIZE);
+}
+
+void exynos3250_jpeg_dec_scaling_ratio(void __iomem *regs,
+                                               unsigned int sratio)
+{
+       switch (sratio) {
+       case 1:
+       default:
+               sratio = EXYNOS3250_DEC_SCALE_FACTOR_8_8;
+               break;
+       case 2:
+               sratio = EXYNOS3250_DEC_SCALE_FACTOR_4_8;
+               break;
+       case 4:
+               sratio = EXYNOS3250_DEC_SCALE_FACTOR_2_8;
+               break;
+       case 8:
+               sratio = EXYNOS3250_DEC_SCALE_FACTOR_1_8;
+               break;
+       }
+
+       writel(sratio & EXYNOS3250_DEC_SCALE_FACTOR_MASK,
+                               regs + EXYNOS3250_DEC_SCALING_RATIO);
+}
+
+void exynos3250_jpeg_set_timer(void __iomem *regs, unsigned int time_value)
+{
+       time_value &= EXYNOS3250_TIMER_INIT_MASK;
+
+       writel(EXYNOS3250_TIMER_INT_STAT | time_value,
+                                       regs + EXYNOS3250_TIMER_SE);
+}
+
+unsigned int exynos3250_jpeg_get_timer_status(void __iomem *regs)
+{
+       return readl(regs + EXYNOS3250_TIMER_ST);
+}
+
+void exynos3250_jpeg_clear_timer_status(void __iomem *regs)
+{
+       writel(EXYNOS3250_TIMER_INT_STAT, regs + EXYNOS3250_TIMER_ST);
+}
diff --git a/drivers/media/platform/s5p-jpeg/jpeg-hw-exynos3250.h b/drivers/media/platform/s5p-jpeg/jpeg-hw-exynos3250.h
new file mode 100644 (file)
index 0000000..b6e3be8
--- /dev/null
@@ -0,0 +1,60 @@
+/* linux/drivers/media/platform/s5p-jpeg/jpeg-hw-exynos3250.h
+ *
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ *             http://www.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
+ * published by the Free Software Foundation.
+ */
+#ifndef JPEG_HW_EXYNOS3250_H_
+#define JPEG_HW_EXYNOS3250_H_
+
+#include <linux/io.h>
+#include <linux/videodev2.h>
+
+#include "jpeg-regs.h"
+
+void exynos3250_jpeg_reset(void __iomem *regs);
+void exynos3250_jpeg_poweron(void __iomem *regs);
+void exynos3250_jpeg_set_dma_num(void __iomem *regs);
+void exynos3250_jpeg_clk_set(void __iomem *base);
+void exynos3250_jpeg_input_raw_fmt(void __iomem *regs, unsigned int fmt);
+void exynos3250_jpeg_output_raw_fmt(void __iomem *regs, unsigned int fmt);
+void exynos3250_jpeg_set_y16(void __iomem *regs, bool y16);
+void exynos3250_jpeg_proc_mode(void __iomem *regs, unsigned int mode);
+void exynos3250_jpeg_subsampling_mode(void __iomem *regs, unsigned int mode);
+unsigned int exynos3250_jpeg_get_subsampling_mode(void __iomem *regs);
+void exynos3250_jpeg_dri(void __iomem *regs, unsigned int dri);
+void exynos3250_jpeg_qtbl(void __iomem *regs, unsigned int t, unsigned int n);
+void exynos3250_jpeg_htbl_ac(void __iomem *regs, unsigned int t);
+void exynos3250_jpeg_htbl_dc(void __iomem *regs, unsigned int t);
+void exynos3250_jpeg_set_y(void __iomem *regs, unsigned int y);
+void exynos3250_jpeg_set_x(void __iomem *regs, unsigned int x);
+void exynos3250_jpeg_interrupts_enable(void __iomem *regs);
+void exynos3250_jpeg_enc_stream_bound(void __iomem *regs, unsigned int size);
+void exynos3250_jpeg_outform_raw(void __iomem *regs, unsigned long format);
+void exynos3250_jpeg_jpgadr(void __iomem *regs, unsigned int addr);
+void exynos3250_jpeg_imgadr(void __iomem *regs, struct s5p_jpeg_addr *img_addr);
+void exynos3250_jpeg_stride(void __iomem *regs, unsigned int img_fmt,
+                           unsigned int width);
+void exynos3250_jpeg_offset(void __iomem *regs, unsigned int x_offset,
+                               unsigned int y_offset);
+void exynos3250_jpeg_coef(void __iomem *base, unsigned int mode);
+void exynos3250_jpeg_start(void __iomem *regs);
+void exynos3250_jpeg_rstart(void __iomem *regs);
+unsigned int exynos3250_jpeg_get_int_status(void __iomem *regs);
+void exynos3250_jpeg_clear_int_status(void __iomem *regs,
+                                               unsigned int value);
+unsigned int exynos3250_jpeg_operating(void __iomem *regs);
+unsigned int exynos3250_jpeg_compressed_size(void __iomem *regs);
+void exynos3250_jpeg_dec_stream_size(void __iomem *regs, unsigned int size);
+void exynos3250_jpeg_dec_scaling_ratio(void __iomem *regs, unsigned int sratio);
+void exynos3250_jpeg_set_timer(void __iomem *regs, unsigned int time_value);
+unsigned int exynos3250_jpeg_get_timer_status(void __iomem *regs);
+void exynos3250_jpeg_set_timer_status(void __iomem *regs);
+void exynos3250_jpeg_clear_timer_status(void __iomem *regs);
+
+#endif /* JPEG_HW_EXYNOS3250_H_ */
index 57fb05bb8c7742fccf24a5e0d9f4ad1181055de7..050fc440248fb81229a17807cc90437d3b39bfe2 100644 (file)
@@ -2,7 +2,7 @@
  *
  * Register definition file for Samsung JPEG codec driver
  *
- * Copyright (c) 2011-2013 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2011-2014 Samsung Electronics Co., Ltd.
  *             http://www.samsung.com
  *
  * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
 /* JPEG AC chrominance (values) Huffman table register */
 #define EXYNOS4_HUFF_TBL_HACCV 0x310
 
+/* Register and bit definitions for Exynos 3250 */
+
+/* JPEG mode register */
+#define EXYNOS3250_JPGMOD                      0x00
+#define EXYNOS3250_PROC_MODE_MASK              (0x1 << 3)
+#define EXYNOS3250_PROC_MODE_DECOMPR           (0x1 << 3)
+#define EXYNOS3250_PROC_MODE_COMPR             (0x0 << 3)
+#define EXYNOS3250_SUBSAMPLING_MODE_MASK       (0x7 << 0)
+#define EXYNOS3250_SUBSAMPLING_MODE_444                (0x0 << 0)
+#define EXYNOS3250_SUBSAMPLING_MODE_422                (0x1 << 0)
+#define EXYNOS3250_SUBSAMPLING_MODE_420                (0x2 << 0)
+#define EXYNOS3250_SUBSAMPLING_MODE_411                (0x6 << 0)
+#define EXYNOS3250_SUBSAMPLING_MODE_GRAY       (0x3 << 0)
+
+/* JPEG operation status register */
+#define EXYNOS3250_JPGOPR                      0x04
+#define EXYNOS3250_JPGOPR_MASK                 0x01
+
+/* Quantization and Huffman tables register */
+#define EXYNOS3250_QHTBL                       0x08
+#define EXYNOS3250_QT_NUM_SHIFT(t)             ((((t) - 1) << 1) + 8)
+#define EXYNOS3250_QT_NUM_MASK(t)              (0x3 << EXYNOS3250_QT_NUM_SHIFT(t))
+
+/* Huffman tables */
+#define EXYNOS3250_HT_NUM_AC_SHIFT(t)          (((t) << 1) - 1)
+#define EXYNOS3250_HT_NUM_AC_MASK(t)           (0x1 << EXYNOS3250_HT_NUM_AC_SHIFT(t))
+
+#define EXYNOS3250_HT_NUM_DC_SHIFT(t)          (((t) - 1) << 1)
+#define EXYNOS3250_HT_NUM_DC_MASK(t)           (0x1 << EXYNOS3250_HT_NUM_DC_SHIFT(t))
+
+/* JPEG restart interval register */
+#define EXYNOS3250_JPGDRI                      0x0c
+#define EXYNOS3250_JPGDRI_MASK                 0xffff
+
+/* JPEG vertical resolution register */
+#define EXYNOS3250_JPGY                                0x10
+#define EXYNOS3250_JPGY_MASK                   0xffff
+
+/* JPEG horizontal resolution register */
+#define EXYNOS3250_JPGX                                0x14
+#define EXYNOS3250_JPGX_MASK                   0xffff
+
+/* JPEG byte count register */
+#define EXYNOS3250_JPGCNT                      0x18
+#define EXYNOS3250_JPGCNT_MASK                 0xffffff
+
+/* JPEG interrupt mask register */
+#define EXYNOS3250_JPGINTSE                    0x1c
+#define EXYNOS3250_JPEG_DONE_EN                        (1 << 11)
+#define EXYNOS3250_WDMA_DONE_EN                        (1 << 10)
+#define EXYNOS3250_RDMA_DONE_EN                        (1 << 9)
+#define EXYNOS3250_ENC_STREAM_INT_EN           (1 << 8)
+#define EXYNOS3250_CORE_DONE_EN                        (1 << 5)
+#define EXYNOS3250_ERR_INT_EN                  (1 << 4)
+#define EXYNOS3250_HEAD_INT_EN                 (1 << 3)
+
+/* JPEG interrupt status register */
+#define EXYNOS3250_JPGINTST                    0x20
+#define EXYNOS3250_JPEG_DONE                   (1 << 11)
+#define EXYNOS3250_WDMA_DONE                   (1 << 10)
+#define EXYNOS3250_RDMA_DONE                   (1 << 9)
+#define EXYNOS3250_ENC_STREAM_STAT             (1 << 8)
+#define EXYNOS3250_RESULT_STAT                 (1 << 5)
+#define EXYNOS3250_STREAM_STAT                 (1 << 4)
+#define EXYNOS3250_HEADER_STAT                 (1 << 3)
+
+/*
+ * Base address of the luma component DMA buffer
+ * of the raw input or output image.
+ */
+#define EXYNOS3250_LUMA_BASE                   0x100
+#define EXYNOS3250_SRC_TILE_EN_MASK            0x100
+
+/* Stride of source or destination luma raw image buffer */
+#define EXYNOS3250_LUMA_STRIDE                 0x104
+
+/* Horizontal/vertical offset of active region in luma raw image buffer */
+#define EXYNOS3250_LUMA_XY_OFFSET              0x108
+#define EXYNOS3250_LUMA_YY_OFFSET_SHIFT                18
+#define EXYNOS3250_LUMA_YY_OFFSET_MASK         (0x1fff << EXYNOS3250_LUMA_YY_OFFSET_SHIFT)
+#define EXYNOS3250_LUMA_YX_OFFSET_SHIFT                2
+#define EXYNOS3250_LUMA_YX_OFFSET_MASK         (0x1fff << EXYNOS3250_LUMA_YX_OFFSET_SHIFT)
+
+/*
+ * Base address of the chroma(Cb) component DMA buffer
+ * of the raw input or output image.
+ */
+#define EXYNOS3250_CHROMA_BASE                 0x10c
+
+/* Stride of source or destination chroma(Cb) raw image buffer */
+#define EXYNOS3250_CHROMA_STRIDE               0x110
+
+/* Horizontal/vertical offset of active region in chroma(Cb) raw image buffer */
+#define EXYNOS3250_CHROMA_XY_OFFSET            0x114
+#define EXYNOS3250_CHROMA_YY_OFFSET_SHIFT      18
+#define EXYNOS3250_CHROMA_YY_OFFSET_MASK       (0x1fff << EXYNOS3250_CHROMA_YY_OFFSET_SHIFT)
+#define EXYNOS3250_CHROMA_YX_OFFSET_SHIFT      2
+#define EXYNOS3250_CHROMA_YX_OFFSET_MASK       (0x1fff << EXYNOS3250_CHROMA_YX_OFFSET_SHIFT)
+
+/*
+ * Base address of the chroma(Cr) component DMA buffer
+ * of the raw input or output image.
+ */
+#define EXYNOS3250_CHROMA_CR_BASE              0x118
+
+/* Stride of source or destination chroma(Cr) raw image buffer */
+#define EXYNOS3250_CHROMA_CR_STRIDE            0x11c
+
+/* Horizontal/vertical offset of active region in chroma(Cb) raw image buffer */
+#define EXYNOS3250_CHROMA_CR_XY_OFFSET         0x120
+#define EXYNOS3250_CHROMA_CR_YY_OFFSET_SHIFT   18
+#define EXYNOS3250_CHROMA_CR_YY_OFFSET_MASK    (0x1fff << EXYNOS3250_CHROMA_CR_YY_OFFSET_SHIFT)
+#define EXYNOS3250_CHROMA_CR_YX_OFFSET_SHIFT   2
+#define EXYNOS3250_CHROMA_CR_YX_OFFSET_MASK    (0x1fff << EXYNOS3250_CHROMA_CR_YX_OFFSET_SHIFT)
+
+/* Raw image data r/w address register */
+#define EXYNOS3250_JPG_IMGADR                  0x50
+
+/* Source or destination JPEG file DMA buffer address */
+#define EXYNOS3250_JPG_JPGADR                  0x124
+
+/* Coefficients for RGB-to-YCbCr converter register */
+#define EXYNOS3250_JPG_COEF(n)                 (0x128 + (((n) - 1) << 2))
+#define EXYNOS3250_COEF_SHIFT(j)               ((3 - (j)) << 3)
+#define EXYNOS3250_COEF_MASK(j)                        (0xff << EXYNOS3250_COEF_SHIFT(j))
+
+/* Raw input format setting */
+#define EXYNOS3250_JPGCMOD                     0x134
+#define EXYNOS3250_SRC_TILE_EN                 (0x1 << 10)
+#define EXYNOS3250_SRC_NV_MASK                 (0x1 << 9)
+#define EXYNOS3250_SRC_NV12                    (0x0 << 9)
+#define EXYNOS3250_SRC_NV21                    (0x1 << 9)
+#define EXYNOS3250_SRC_BIG_ENDIAN_MASK         (0x1 << 8)
+#define EXYNOS3250_SRC_BIG_ENDIAN              (0x1 << 8)
+#define EXYNOS3250_MODE_SEL_MASK               (0x7 << 5)
+#define EXYNOS3250_MODE_SEL_420_2P             (0x0 << 5)
+#define EXYNOS3250_MODE_SEL_422_1P_LUM_CHR     (0x1 << 5)
+#define EXYNOS3250_MODE_SEL_RGB565             (0x2 << 5)
+#define EXYNOS3250_MODE_SEL_422_1P_CHR_LUM     (0x3 << 5)
+#define EXYNOS3250_MODE_SEL_ARGB8888           (0x4 << 5)
+#define EXYNOS3250_MODE_SEL_420_3P             (0x5 << 5)
+#define EXYNOS3250_SRC_SWAP_RGB                        (0x1 << 3)
+#define EXYNOS3250_SRC_SWAP_UV                 (0x1 << 2)
+#define EXYNOS3250_MODE_Y16_MASK               (0x1 << 1)
+#define EXYNOS3250_MODE_Y16                    (0x1 << 1)
+#define EXYNOS3250_HALF_EN_MASK                        (0x1 << 0)
+#define EXYNOS3250_HALF_EN                     (0x1 << 0)
+
+/* Power on/off and clock down control */
+#define EXYNOS3250_JPGCLKCON                   0x138
+#define EXYNOS3250_CLK_DOWN_READY              (0x1 << 1)
+#define EXYNOS3250_POWER_ON                    (0x1 << 0)
+
+/* Start compression or decompression */
+#define EXYNOS3250_JSTART                      0x13c
+
+/* Restart decompression after header analysis */
+#define EXYNOS3250_JRSTART                     0x140
+
+/* JPEG SW reset register */
+#define EXYNOS3250_SW_RESET                    0x144
+
+/* JPEG timer setting register */
+#define EXYNOS3250_TIMER_SE                    0x148
+#define EXYNOS3250_TIMER_INT_EN_SHIFT          31
+#define EXYNOS3250_TIMER_INT_EN                        (1 << EXYNOS3250_TIMER_INT_EN_SHIFT)
+#define EXYNOS3250_TIMER_INIT_MASK             0x7fffffff
+
+/* JPEG timer status register */
+#define EXYNOS3250_TIMER_ST                    0x14c
+#define EXYNOS3250_TIMER_INT_STAT_SHIFT                31
+#define EXYNOS3250_TIMER_INT_STAT              (1 << EXYNOS3250_TIMER_INT_STAT_SHIFT)
+#define EXYNOS3250_TIMER_CNT_SHIFT             0
+#define EXYNOS3250_TIMER_CNT_MASK              0x7fffffff
+
+/* Command status register */
+#define EXYNOS3250_COMSTAT                     0x150
+#define EXYNOS3250_CUR_PROC_MODE               (0x1 << 1)
+#define EXYNOS3250_CUR_COM_MODE                        (0x1 << 0)
+
+/* JPEG decompression output format register */
+#define EXYNOS3250_OUTFORM                     0x154
+#define EXYNOS3250_OUT_ALPHA_MASK              (0xff << 24)
+#define EXYNOS3250_OUT_TILE_EN                 (0x1 << 10)
+#define EXYNOS3250_OUT_NV_MASK                 (0x1 << 9)
+#define EXYNOS3250_OUT_NV12                    (0x0 << 9)
+#define EXYNOS3250_OUT_NV21                    (0x1 << 9)
+#define EXYNOS3250_OUT_BIG_ENDIAN_MASK         (0x1 << 8)
+#define EXYNOS3250_OUT_BIG_ENDIAN              (0x1 << 8)
+#define EXYNOS3250_OUT_SWAP_RGB                        (0x1 << 7)
+#define EXYNOS3250_OUT_SWAP_UV                 (0x1 << 6)
+#define EXYNOS3250_OUT_FMT_MASK                        (0x7 << 0)
+#define EXYNOS3250_OUT_FMT_420_2P              (0x0 << 0)
+#define EXYNOS3250_OUT_FMT_422_1P_LUM_CHR      (0x1 << 0)
+#define EXYNOS3250_OUT_FMT_422_1P_CHR_LUM      (0x3 << 0)
+#define EXYNOS3250_OUT_FMT_420_3P              (0x4 << 0)
+#define EXYNOS3250_OUT_FMT_RGB565              (0x5 << 0)
+#define EXYNOS3250_OUT_FMT_ARGB8888            (0x6 << 0)
+
+/* Input JPEG stream byte size for decompression */
+#define EXYNOS3250_DEC_STREAM_SIZE             0x158
+#define EXYNOS3250_DEC_STREAM_MASK             0x1fffffff
+
+/* The upper bound of the byte size of output compressed stream */
+#define EXYNOS3250_ENC_STREAM_BOUND            0x15c
+#define EXYNOS3250_ENC_STREAM_BOUND_MASK       0xffffc0
+
+/* Scale-down ratio when decoding */
+#define EXYNOS3250_DEC_SCALING_RATIO           0x160
+#define EXYNOS3250_DEC_SCALE_FACTOR_MASK       0x3
+#define EXYNOS3250_DEC_SCALE_FACTOR_8_8                0x0
+#define EXYNOS3250_DEC_SCALE_FACTOR_4_8                0x1
+#define EXYNOS3250_DEC_SCALE_FACTOR_2_8                0x2
+#define EXYNOS3250_DEC_SCALE_FACTOR_1_8                0x3
+
+/* Error check */
+#define EXYNOS3250_CRC_RESULT                  0x164
+
+/* RDMA and WDMA operation status register */
+#define EXYNOS3250_DMA_OPER_STATUS             0x168
+#define EXYNOS3250_WDMA_OPER_STATUS            (0x1 << 1)
+#define EXYNOS3250_RDMA_OPER_STATUS            (0x1 << 0)
+
+/* DMA issue gathering number and issue number settings */
+#define EXYNOS3250_DMA_ISSUE_NUM               0x16c
+#define EXYNOS3250_WDMA_ISSUE_NUM_SHIFT                16
+#define EXYNOS3250_WDMA_ISSUE_NUM_MASK         (0x7 << EXYNOS3250_WDMA_ISSUE_NUM_SHIFT)
+#define EXYNOS3250_RDMA_ISSUE_NUM_SHIFT                8
+#define EXYNOS3250_RDMA_ISSUE_NUM_MASK         (0x7 << EXYNOS3250_RDMA_ISSUE_NUM_SHIFT)
+#define EXYNOS3250_ISSUE_GATHER_NUM_SHIFT      0
+#define EXYNOS3250_ISSUE_GATHER_NUM_MASK       (0x7 << EXYNOS3250_ISSUE_GATHER_NUM_SHIFT)
+#define EXYNOS3250_DMA_MO_COUNT                        0x7
+
+/* Version register */
+#define EXYNOS3250_VERSION                     0x1fc
+
+/* RGB <-> YUV conversion coefficients */
+#define EXYNOS3250_JPEG_ENC_COEF1              0x01352e1e
+#define EXYNOS3250_JPEG_ENC_COEF2              0x00b0ae83
+#define EXYNOS3250_JPEG_ENC_COEF3              0x020cdc13
+
+#define EXYNOS3250_JPEG_DEC_COEF1              0x04a80199
+#define EXYNOS3250_JPEG_DEC_COEF2              0x04a9a064
+#define EXYNOS3250_JPEG_DEC_COEF3              0x04a80102
+
 #endif /* JPEG_REGS_H_ */
 
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