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[media] s5p-jpeg: Add support for Exynos3250 SoC

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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>
This commit is contained in:
Jacek Anaszewski 2014-07-11 12:19:42 -03:00 committed by Mauro Carvalho Chehab
parent 1774afe7d9
commit 3246fdaa0a
7 changed files with 1338 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/media/platform/Kconfig
View 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"

2
drivers/media/platform/s5p-jpeg/Makefile
View 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

527
drivers/media/platform/s5p-jpeg/jpeg-core.c
View 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 @@ static int s5p_jpeg_probe(struct platform_device *pdev)
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,

32
drivers/media/platform/s5p-jpeg/jpeg-core.h
View 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
@ -49,9 +51,10 @@
#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;
};

487
drivers/media/platform/s5p-jpeg/jpeg-hw-exynos3250.c Normal file
View File

@ -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);
}

60
drivers/media/platform/s5p-jpeg/jpeg-hw-exynos3250.h Normal file
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@ -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_ */

247
drivers/media/platform/s5p-jpeg/jpeg-regs.h
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@ -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>
@ -373,5 +373,250 @@
/* 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_ */