[media] s5p-jpeg: JPEG codec
Add hardware API for the exynos4x12 on s5p-jpeg.
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
diff --git a/drivers/media/platform/s5p-jpeg/jpeg-core.c b/drivers/media/platform/s5p-jpeg/jpeg-core.c
index 65922d9..fbadbb0 100644
--- a/drivers/media/platform/s5p-jpeg/jpeg-core.c
+++ b/drivers/media/platform/s5p-jpeg/jpeg-core.c
@@ -1,9 +1,10 @@
/* linux/drivers/media/platform/s5p-jpeg/jpeg-core.c
*
- * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2011-2013 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
+ * Author: Jacek Anaszewski <j.anaszewski@samsung.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@@ -30,40 +31,17 @@
#include "jpeg-core.h"
#include "jpeg-hw-s5p.h"
+#include "jpeg-hw-exynos4.h"
+#include "jpeg-regs.h"
-static struct s5p_jpeg_fmt formats_enc[] = {
+static struct s5p_jpeg_fmt sjpeg_formats[] = {
{
.name = "JPEG JFIF",
.fourcc = V4L2_PIX_FMT_JPEG,
- .colplanes = 1,
- .types = MEM2MEM_CAPTURE,
- },
- {
- .name = "YUV 4:2:2 packed, YCbYCr",
- .fourcc = V4L2_PIX_FMT_YUYV,
- .depth = 16,
- .colplanes = 1,
- .types = MEM2MEM_OUTPUT,
- },
- {
- .name = "RGB565",
- .fourcc = V4L2_PIX_FMT_RGB565,
- .depth = 16,
- .colplanes = 1,
- .types = MEM2MEM_OUTPUT,
- },
-};
-#define NUM_FORMATS_ENC ARRAY_SIZE(formats_enc)
-
-static struct s5p_jpeg_fmt formats_dec[] = {
- {
- .name = "YUV 4:2:0 planar, YCbCr",
- .fourcc = V4L2_PIX_FMT_NV12,
- .depth = 12,
- .colplanes = 3,
- .h_align = 4,
- .v_align = 4,
- .types = MEM2MEM_CAPTURE,
+ .flags = SJPEG_FMT_FLAG_ENC_CAPTURE |
+ SJPEG_FMT_FLAG_DEC_OUTPUT |
+ SJPEG_FMT_FLAG_S5P |
+ SJPEG_FMT_FLAG_EXYNOS4,
},
{
.name = "YUV 4:2:2 packed, YCbYCr",
@@ -72,16 +50,193 @@
.colplanes = 1,
.h_align = 4,
.v_align = 3,
- .types = MEM2MEM_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_422,
},
{
- .name = "JPEG JFIF",
- .fourcc = V4L2_PIX_FMT_JPEG,
+ .name = "YUV 4:2:2 packed, YCbYCr",
+ .fourcc = V4L2_PIX_FMT_YUYV,
+ .depth = 16,
.colplanes = 1,
- .types = MEM2MEM_OUTPUT,
+ .h_align = 1,
+ .v_align = 0,
+ .flags = SJPEG_FMT_FLAG_ENC_OUTPUT |
+ SJPEG_FMT_FLAG_DEC_CAPTURE |
+ SJPEG_FMT_FLAG_EXYNOS4 |
+ SJPEG_FMT_NON_RGB,
+ .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_422,
+ },
+ {
+ .name = "YUV 4:2:2 packed, YCrYCb",
+ .fourcc = V4L2_PIX_FMT_YVYU,
+ .depth = 16,
+ .colplanes = 1,
+ .h_align = 1,
+ .v_align = 0,
+ .flags = SJPEG_FMT_FLAG_ENC_OUTPUT |
+ SJPEG_FMT_FLAG_DEC_CAPTURE |
+ SJPEG_FMT_FLAG_EXYNOS4 |
+ SJPEG_FMT_NON_RGB,
+ .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_422,
+ },
+ {
+ .name = "RGB565",
+ .fourcc = V4L2_PIX_FMT_RGB565,
+ .depth = 16,
+ .colplanes = 1,
+ .h_align = 0,
+ .v_align = 0,
+ .flags = SJPEG_FMT_FLAG_ENC_OUTPUT |
+ SJPEG_FMT_FLAG_DEC_CAPTURE |
+ SJPEG_FMT_FLAG_EXYNOS4 |
+ SJPEG_FMT_RGB,
+ .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_444,
+ },
+ {
+ .name = "RGB565",
+ .fourcc = V4L2_PIX_FMT_RGB565,
+ .depth = 16,
+ .colplanes = 1,
+ .h_align = 0,
+ .v_align = 0,
+ .flags = SJPEG_FMT_FLAG_ENC_OUTPUT |
+ SJPEG_FMT_FLAG_S5P |
+ SJPEG_FMT_RGB,
+ .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_444,
+ },
+ {
+ .name = "ARGB8888, 32 bpp",
+ .fourcc = V4L2_PIX_FMT_RGB32,
+ .depth = 32,
+ .colplanes = 1,
+ .h_align = 0,
+ .v_align = 0,
+ .flags = SJPEG_FMT_FLAG_ENC_OUTPUT |
+ SJPEG_FMT_FLAG_DEC_CAPTURE |
+ SJPEG_FMT_FLAG_EXYNOS4 |
+ SJPEG_FMT_RGB,
+ .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_444,
+ },
+ {
+ .name = "YUV 4:4:4 planar, Y/CbCr",
+ .fourcc = V4L2_PIX_FMT_NV24,
+ .depth = 24,
+ .colplanes = 2,
+ .h_align = 0,
+ .v_align = 0,
+ .flags = SJPEG_FMT_FLAG_ENC_OUTPUT |
+ SJPEG_FMT_FLAG_DEC_CAPTURE |
+ SJPEG_FMT_FLAG_EXYNOS4 |
+ SJPEG_FMT_NON_RGB,
+ .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_444,
+ },
+ {
+ .name = "YUV 4:4:4 planar, Y/CrCb",
+ .fourcc = V4L2_PIX_FMT_NV42,
+ .depth = 24,
+ .colplanes = 2,
+ .h_align = 0,
+ .v_align = 0,
+ .flags = SJPEG_FMT_FLAG_ENC_OUTPUT |
+ SJPEG_FMT_FLAG_DEC_CAPTURE |
+ SJPEG_FMT_FLAG_EXYNOS4 |
+ SJPEG_FMT_NON_RGB,
+ .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_444,
+ },
+ {
+ .name = "YUV 4:2:2 planar, Y/CrCb",
+ .fourcc = V4L2_PIX_FMT_NV61,
+ .depth = 16,
+ .colplanes = 2,
+ .h_align = 1,
+ .v_align = 0,
+ .flags = SJPEG_FMT_FLAG_ENC_OUTPUT |
+ SJPEG_FMT_FLAG_DEC_CAPTURE |
+ SJPEG_FMT_FLAG_EXYNOS4 |
+ SJPEG_FMT_NON_RGB,
+ .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_422,
+ },
+ {
+ .name = "YUV 4:2:2 planar, Y/CbCr",
+ .fourcc = V4L2_PIX_FMT_NV16,
+ .depth = 16,
+ .colplanes = 2,
+ .h_align = 1,
+ .v_align = 0,
+ .flags = SJPEG_FMT_FLAG_ENC_OUTPUT |
+ SJPEG_FMT_FLAG_DEC_CAPTURE |
+ SJPEG_FMT_FLAG_EXYNOS4 |
+ SJPEG_FMT_NON_RGB,
+ .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_422,
+ },
+ {
+ .name = "YUV 4:2:0 planar, Y/CbCr",
+ .fourcc = V4L2_PIX_FMT_NV12,
+ .depth = 16,
+ .colplanes = 2,
+ .h_align = 1,
+ .v_align = 1,
+ .flags = SJPEG_FMT_FLAG_ENC_OUTPUT |
+ SJPEG_FMT_FLAG_DEC_CAPTURE |
+ SJPEG_FMT_FLAG_EXYNOS4 |
+ SJPEG_FMT_NON_RGB,
+ .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_420,
+ },
+ {
+ .name = "YUV 4:2:0 planar, Y/CbCr",
+ .fourcc = V4L2_PIX_FMT_NV12,
+ .depth = 16,
+ .colplanes = 4,
+ .h_align = 4,
+ .v_align = 1,
+ .flags = SJPEG_FMT_FLAG_ENC_OUTPUT |
+ SJPEG_FMT_FLAG_DEC_CAPTURE |
+ SJPEG_FMT_FLAG_S5P |
+ SJPEG_FMT_NON_RGB,
+ .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_420,
+ },
+ {
+ .name = "YUV 4:2:0 planar, Y/CrCb",
+ .fourcc = V4L2_PIX_FMT_NV21,
+ .depth = 12,
+ .colplanes = 2,
+ .h_align = 1,
+ .v_align = 1,
+ .flags = SJPEG_FMT_FLAG_ENC_OUTPUT |
+ SJPEG_FMT_FLAG_DEC_CAPTURE |
+ SJPEG_FMT_FLAG_EXYNOS4 |
+ SJPEG_FMT_NON_RGB,
+ .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_420,
+ },
+ {
+ .name = "YUV 4:2:0 contiguous 3-planar, Y/Cb/Cr",
+ .fourcc = V4L2_PIX_FMT_YUV420,
+ .depth = 12,
+ .colplanes = 3,
+ .h_align = 1,
+ .v_align = 1,
+ .flags = SJPEG_FMT_FLAG_ENC_OUTPUT |
+ SJPEG_FMT_FLAG_DEC_CAPTURE |
+ SJPEG_FMT_FLAG_EXYNOS4 |
+ SJPEG_FMT_NON_RGB,
+ .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_420,
+ },
+ {
+ .name = "Gray",
+ .fourcc = V4L2_PIX_FMT_GREY,
+ .depth = 8,
+ .colplanes = 1,
+ .flags = SJPEG_FMT_FLAG_ENC_OUTPUT |
+ SJPEG_FMT_FLAG_DEC_CAPTURE |
+ SJPEG_FMT_FLAG_EXYNOS4 |
+ SJPEG_FMT_NON_RGB,
+ .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY,
},
};
-#define NUM_FORMATS_DEC ARRAY_SIZE(formats_dec)
+#define SJPEG_NUM_FORMATS ARRAY_SIZE(sjpeg_formats)
static const unsigned char qtbl_luminance[4][64] = {
{/*level 0 - high compression quality */
@@ -277,6 +432,58 @@
ARRAY_SIZE(hactblg0));
}
+static inline void exynos4_jpeg_set_tbl(void __iomem *regs,
+ const unsigned char *tbl,
+ unsigned long tab, int len)
+{
+ int i;
+ unsigned int dword;
+
+ for (i = 0; i < len; i += 4) {
+ dword = tbl[i] |
+ (tbl[i + 1] << 8) |
+ (tbl[i + 2] << 16) |
+ (tbl[i + 3] << 24);
+ writel(dword, regs + tab + i);
+ }
+}
+
+static inline void exynos4_jpeg_set_qtbl_lum(void __iomem *regs, int quality)
+{
+ /* this driver fills quantisation table 0 with data for luma */
+ exynos4_jpeg_set_tbl(regs, qtbl_luminance[quality],
+ EXYNOS4_QTBL_CONTENT(0),
+ ARRAY_SIZE(qtbl_luminance[quality]));
+}
+
+static inline void exynos4_jpeg_set_qtbl_chr(void __iomem *regs, int quality)
+{
+ /* this driver fills quantisation table 1 with data for chroma */
+ exynos4_jpeg_set_tbl(regs, qtbl_chrominance[quality],
+ EXYNOS4_QTBL_CONTENT(1),
+ ARRAY_SIZE(qtbl_chrominance[quality]));
+}
+
+void exynos4_jpeg_set_huff_tbl(void __iomem *base)
+{
+ exynos4_jpeg_set_tbl(base, hdctbl0, EXYNOS4_HUFF_TBL_HDCLL,
+ ARRAY_SIZE(hdctbl0));
+ exynos4_jpeg_set_tbl(base, hdctbl0, EXYNOS4_HUFF_TBL_HDCCL,
+ ARRAY_SIZE(hdctbl0));
+ exynos4_jpeg_set_tbl(base, hdctblg0, EXYNOS4_HUFF_TBL_HDCLV,
+ ARRAY_SIZE(hdctblg0));
+ exynos4_jpeg_set_tbl(base, hdctblg0, EXYNOS4_HUFF_TBL_HDCCV,
+ ARRAY_SIZE(hdctblg0));
+ exynos4_jpeg_set_tbl(base, hactbl0, EXYNOS4_HUFF_TBL_HACLL,
+ ARRAY_SIZE(hactbl0));
+ exynos4_jpeg_set_tbl(base, hactbl0, EXYNOS4_HUFF_TBL_HACCL,
+ ARRAY_SIZE(hactbl0));
+ exynos4_jpeg_set_tbl(base, hactblg0, EXYNOS4_HUFF_TBL_HACLV,
+ ARRAY_SIZE(hactblg0));
+ exynos4_jpeg_set_tbl(base, hactblg0, EXYNOS4_HUFF_TBL_HACCV,
+ ARRAY_SIZE(hactblg0));
+}
+
/*
* ============================================================================
* Device file operations
@@ -285,8 +492,8 @@
static int queue_init(void *priv, struct vb2_queue *src_vq,
struct vb2_queue *dst_vq);
-static struct s5p_jpeg_fmt *s5p_jpeg_find_format(unsigned int mode,
- __u32 pixelformat);
+static struct s5p_jpeg_fmt *s5p_jpeg_find_format(struct s5p_jpeg_ctx *ctx,
+ __u32 pixelformat, unsigned int fmt_type);
static int s5p_jpeg_controls_create(struct s5p_jpeg_ctx *ctx);
static int s5p_jpeg_open(struct file *file)
@@ -294,7 +501,7 @@
struct s5p_jpeg *jpeg = video_drvdata(file);
struct video_device *vfd = video_devdata(file);
struct s5p_jpeg_ctx *ctx;
- struct s5p_jpeg_fmt *out_fmt;
+ struct s5p_jpeg_fmt *out_fmt, *cap_fmt;
int ret = 0;
ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
@@ -315,16 +522,18 @@
ctx->jpeg = jpeg;
if (vfd == jpeg->vfd_encoder) {
ctx->mode = S5P_JPEG_ENCODE;
- out_fmt = s5p_jpeg_find_format(ctx->mode, V4L2_PIX_FMT_RGB565);
+ out_fmt = s5p_jpeg_find_format(ctx, V4L2_PIX_FMT_RGB565,
+ FMT_TYPE_OUTPUT);
+ cap_fmt = s5p_jpeg_find_format(ctx, V4L2_PIX_FMT_JPEG,
+ FMT_TYPE_CAPTURE);
} else {
ctx->mode = S5P_JPEG_DECODE;
- out_fmt = s5p_jpeg_find_format(ctx->mode, V4L2_PIX_FMT_JPEG);
+ out_fmt = s5p_jpeg_find_format(ctx, V4L2_PIX_FMT_JPEG,
+ FMT_TYPE_OUTPUT);
+ cap_fmt = s5p_jpeg_find_format(ctx, V4L2_PIX_FMT_YUYV,
+ FMT_TYPE_CAPTURE);
}
- ret = s5p_jpeg_controls_create(ctx);
- if (ret < 0)
- goto error;
-
ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(jpeg->m2m_dev, ctx, queue_init);
if (IS_ERR(ctx->fh.m2m_ctx)) {
ret = PTR_ERR(ctx->fh.m2m_ctx);
@@ -332,7 +541,12 @@
}
ctx->out_q.fmt = out_fmt;
- ctx->cap_q.fmt = s5p_jpeg_find_format(ctx->mode, V4L2_PIX_FMT_YUYV);
+ ctx->cap_q.fmt = cap_fmt;
+
+ ret = s5p_jpeg_controls_create(ctx);
+ if (ret < 0)
+ goto error;
+
mutex_unlock(&jpeg->lock);
return 0;
@@ -352,11 +566,11 @@
mutex_lock(&jpeg->lock);
v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
- mutex_unlock(&jpeg->lock);
v4l2_ctrl_handler_free(&ctx->ctrl_handler);
v4l2_fh_del(&ctx->fh);
v4l2_fh_exit(&ctx->fh);
kfree(ctx);
+ mutex_unlock(&jpeg->lock);
return 0;
}
@@ -504,13 +718,13 @@
return 0;
}
-static int enum_fmt(struct s5p_jpeg_fmt *formats, int n,
+static int enum_fmt(struct s5p_jpeg_fmt *sjpeg_formats, int n,
struct v4l2_fmtdesc *f, u32 type)
{
int i, num = 0;
for (i = 0; i < n; ++i) {
- if (formats[i].types & type) {
+ if (sjpeg_formats[i].flags & type) {
/* index-th format of type type found ? */
if (num == f->index)
break;
@@ -524,8 +738,8 @@
if (i >= n)
return -EINVAL;
- strlcpy(f->description, formats[i].name, sizeof(f->description));
- f->pixelformat = formats[i].fourcc;
+ strlcpy(f->description, sjpeg_formats[i].name, sizeof(f->description));
+ f->pixelformat = sjpeg_formats[i].fourcc;
return 0;
}
@@ -536,10 +750,11 @@
struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv);
if (ctx->mode == S5P_JPEG_ENCODE)
- return enum_fmt(formats_enc, NUM_FORMATS_ENC, f,
- MEM2MEM_CAPTURE);
+ return enum_fmt(sjpeg_formats, SJPEG_NUM_FORMATS, f,
+ SJPEG_FMT_FLAG_ENC_CAPTURE);
- return enum_fmt(formats_dec, NUM_FORMATS_DEC, f, MEM2MEM_CAPTURE);
+ return enum_fmt(sjpeg_formats, SJPEG_NUM_FORMATS, f,
+ SJPEG_FMT_FLAG_DEC_CAPTURE);
}
static int s5p_jpeg_enum_fmt_vid_out(struct file *file, void *priv,
@@ -548,10 +763,11 @@
struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv);
if (ctx->mode == S5P_JPEG_ENCODE)
- return enum_fmt(formats_enc, NUM_FORMATS_ENC, f,
- MEM2MEM_OUTPUT);
+ return enum_fmt(sjpeg_formats, SJPEG_NUM_FORMATS, f,
+ SJPEG_FMT_FLAG_ENC_OUTPUT);
- return enum_fmt(formats_dec, NUM_FORMATS_DEC, f, MEM2MEM_OUTPUT);
+ return enum_fmt(sjpeg_formats, SJPEG_NUM_FORMATS, f,
+ SJPEG_FMT_FLAG_DEC_OUTPUT);
}
static struct s5p_jpeg_q_data *get_q_data(struct s5p_jpeg_ctx *ctx,
@@ -598,29 +814,35 @@
return 0;
}
-static struct s5p_jpeg_fmt *s5p_jpeg_find_format(unsigned int mode,
- u32 pixelformat)
+static struct s5p_jpeg_fmt *s5p_jpeg_find_format(struct s5p_jpeg_ctx *ctx,
+ u32 pixelformat, unsigned int fmt_type)
{
- unsigned int k;
- struct s5p_jpeg_fmt *formats;
- int n;
+ unsigned int k, fmt_flag, ver_flag;
- if (mode == S5P_JPEG_ENCODE) {
- formats = formats_enc;
- n = NUM_FORMATS_ENC;
- } else {
- formats = formats_dec;
- n = NUM_FORMATS_DEC;
- }
+ if (ctx->mode == S5P_JPEG_ENCODE)
+ fmt_flag = (fmt_type == FMT_TYPE_OUTPUT) ?
+ SJPEG_FMT_FLAG_ENC_OUTPUT :
+ SJPEG_FMT_FLAG_ENC_CAPTURE;
+ else
+ fmt_flag = (fmt_type == FMT_TYPE_OUTPUT) ?
+ SJPEG_FMT_FLAG_DEC_OUTPUT :
+ SJPEG_FMT_FLAG_DEC_CAPTURE;
- for (k = 0; k < n; k++) {
- struct s5p_jpeg_fmt *fmt = &formats[k];
- if (fmt->fourcc == pixelformat)
+ if (ctx->jpeg->variant->version == SJPEG_S5P)
+ ver_flag = SJPEG_FMT_FLAG_S5P;
+ else
+ ver_flag = SJPEG_FMT_FLAG_EXYNOS4;
+
+ for (k = 0; k < ARRAY_SIZE(sjpeg_formats); k++) {
+ struct s5p_jpeg_fmt *fmt = &sjpeg_formats[k];
+ if (fmt->fourcc == pixelformat &&
+ fmt->flags & fmt_flag &&
+ fmt->flags & ver_flag) {
return fmt;
+ }
}
return NULL;
-
}
static void jpeg_bound_align_image(u32 *w, unsigned int wmin, unsigned int wmax,
@@ -656,7 +878,7 @@
/* V4L2 specification suggests the driver corrects the format struct
* if any of the dimensions is unsupported */
- if (q_type == MEM2MEM_OUTPUT)
+ if (q_type == FMT_TYPE_OUTPUT)
jpeg_bound_align_image(&pix->width, S5P_JPEG_MIN_WIDTH,
S5P_JPEG_MAX_WIDTH, 0,
&pix->height, S5P_JPEG_MIN_HEIGHT,
@@ -694,15 +916,16 @@
struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv);
struct s5p_jpeg_fmt *fmt;
- fmt = s5p_jpeg_find_format(ctx->mode, f->fmt.pix.pixelformat);
- if (!fmt || !(fmt->types & MEM2MEM_CAPTURE)) {
+ fmt = s5p_jpeg_find_format(ctx, f->fmt.pix.pixelformat,
+ FMT_TYPE_CAPTURE);
+ if (!fmt) {
v4l2_err(&ctx->jpeg->v4l2_dev,
"Fourcc format (0x%08x) invalid.\n",
f->fmt.pix.pixelformat);
return -EINVAL;
}
- return vidioc_try_fmt(f, fmt, ctx, MEM2MEM_CAPTURE);
+ return vidioc_try_fmt(f, fmt, ctx, FMT_TYPE_CAPTURE);
}
static int s5p_jpeg_try_fmt_vid_out(struct file *file, void *priv,
@@ -711,15 +934,16 @@
struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv);
struct s5p_jpeg_fmt *fmt;
- fmt = s5p_jpeg_find_format(ctx->mode, f->fmt.pix.pixelformat);
- if (!fmt || !(fmt->types & MEM2MEM_OUTPUT)) {
+ fmt = s5p_jpeg_find_format(ctx, f->fmt.pix.pixelformat,
+ FMT_TYPE_OUTPUT);
+ if (!fmt) {
v4l2_err(&ctx->jpeg->v4l2_dev,
"Fourcc format (0x%08x) invalid.\n",
f->fmt.pix.pixelformat);
return -EINVAL;
}
- return vidioc_try_fmt(f, fmt, ctx, MEM2MEM_OUTPUT);
+ return vidioc_try_fmt(f, fmt, ctx, FMT_TYPE_OUTPUT);
}
static int s5p_jpeg_s_fmt(struct s5p_jpeg_ctx *ct, struct v4l2_format *f)
@@ -727,6 +951,7 @@
struct vb2_queue *vq;
struct s5p_jpeg_q_data *q_data = NULL;
struct v4l2_pix_format *pix = &f->fmt.pix;
+ unsigned int f_type;
vq = v4l2_m2m_get_vq(ct->fh.m2m_ctx, f->type);
if (!vq)
@@ -740,7 +965,10 @@
return -EBUSY;
}
- q_data->fmt = s5p_jpeg_find_format(ct->mode, pix->pixelformat);
+ f_type = V4L2_TYPE_IS_OUTPUT(f->type) ?
+ FMT_TYPE_OUTPUT : FMT_TYPE_CAPTURE;
+
+ q_data->fmt = s5p_jpeg_find_format(ct, pix->pixelformat, f_type);
q_data->w = pix->width;
q_data->h = pix->height;
if (q_data->fmt->fourcc != V4L2_PIX_FMT_JPEG)
@@ -781,7 +1009,8 @@
struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv);
if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT &&
- s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+ s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
+ ctx->jpeg->variant->version != SJPEG_S5P)
return -EINVAL;
/* For JPEG blob active == default == bounds */
@@ -1018,6 +1247,107 @@
spin_unlock_irqrestore(&ctx->jpeg->slock, flags);
}
+static void exynos4_jpeg_set_img_addr(struct s5p_jpeg_ctx *ctx)
+{
+ struct s5p_jpeg *jpeg = ctx->jpeg;
+ struct s5p_jpeg_fmt *fmt;
+ struct vb2_buffer *vb;
+ struct s5p_jpeg_addr jpeg_addr;
+ u32 pix_size, padding_bytes = 0;
+
+ pix_size = ctx->cap_q.w * ctx->cap_q.h;
+
+ if (ctx->mode == S5P_JPEG_ENCODE) {
+ vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
+ fmt = ctx->out_q.fmt;
+ if (ctx->out_q.w % 2 && fmt->h_align > 0)
+ padding_bytes = ctx->out_q.h;
+ } else {
+ fmt = ctx->cap_q.fmt;
+ vb = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
+ }
+
+ jpeg_addr.y = vb2_dma_contig_plane_dma_addr(vb, 0);
+
+ if (fmt->colplanes == 2) {
+ jpeg_addr.cb = jpeg_addr.y + pix_size - padding_bytes;
+ } else if (fmt->colplanes == 3) {
+ jpeg_addr.cb = jpeg_addr.y + pix_size;
+ if (fmt->fourcc == V4L2_PIX_FMT_YUV420)
+ jpeg_addr.cr = jpeg_addr.cb + pix_size / 4;
+ else
+ jpeg_addr.cr = jpeg_addr.cb + pix_size / 2;
+ }
+
+ exynos4_jpeg_set_frame_buf_address(jpeg->regs, &jpeg_addr);
+}
+
+static void exynos4_jpeg_set_jpeg_addr(struct s5p_jpeg_ctx *ctx)
+{
+ struct s5p_jpeg *jpeg = ctx->jpeg;
+ struct vb2_buffer *vb;
+ unsigned int jpeg_addr = 0;
+
+ if (ctx->mode == S5P_JPEG_ENCODE)
+ vb = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
+ else
+ vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
+
+ jpeg_addr = vb2_dma_contig_plane_dma_addr(vb, 0);
+ exynos4_jpeg_set_stream_buf_address(jpeg->regs, jpeg_addr);
+}
+
+static void exynos4_jpeg_device_run(void *priv)
+{
+ struct s5p_jpeg_ctx *ctx = priv;
+ struct s5p_jpeg *jpeg = ctx->jpeg;
+ unsigned int bitstream_size;
+ unsigned long flags;
+
+ spin_lock_irqsave(&ctx->jpeg->slock, flags);
+
+ if (ctx->mode == S5P_JPEG_ENCODE) {
+ exynos4_jpeg_sw_reset(jpeg->regs);
+ exynos4_jpeg_set_interrupt(jpeg->regs);
+ exynos4_jpeg_set_huf_table_enable(jpeg->regs, 1);
+
+ exynos4_jpeg_set_huff_tbl(jpeg->regs);
+
+ /*
+ * JPEG IP allows storing 4 quantization tables
+ * We fill table 0 for luma and table 1 for chroma
+ */
+ exynos4_jpeg_set_qtbl_lum(jpeg->regs, ctx->compr_quality);
+ exynos4_jpeg_set_qtbl_chr(jpeg->regs, ctx->compr_quality);
+
+ exynos4_jpeg_set_encode_tbl_select(jpeg->regs,
+ ctx->compr_quality);
+ exynos4_jpeg_set_stream_size(jpeg->regs, ctx->cap_q.w,
+ ctx->cap_q.h);
+
+ exynos4_jpeg_set_enc_out_fmt(jpeg->regs, ctx->subsampling);
+ exynos4_jpeg_set_img_fmt(jpeg->regs, ctx->out_q.fmt->fourcc);
+ exynos4_jpeg_set_img_addr(ctx);
+ exynos4_jpeg_set_jpeg_addr(ctx);
+ exynos4_jpeg_set_encode_hoff_cnt(jpeg->regs,
+ ctx->out_q.fmt->fourcc);
+ } else {
+ exynos4_jpeg_sw_reset(jpeg->regs);
+ exynos4_jpeg_set_interrupt(jpeg->regs);
+ exynos4_jpeg_set_img_addr(ctx);
+ exynos4_jpeg_set_jpeg_addr(ctx);
+ exynos4_jpeg_set_img_fmt(jpeg->regs, ctx->cap_q.fmt->fourcc);
+
+ bitstream_size = DIV_ROUND_UP(ctx->out_q.size, 32);
+
+ exynos4_jpeg_set_dec_bitstream_size(jpeg->regs, bitstream_size);
+ }
+
+ exynos4_jpeg_set_enc_dec_mode(jpeg->regs, ctx->mode);
+
+ spin_unlock_irqrestore(&ctx->jpeg->slock, flags);
+}
+
static int s5p_jpeg_job_ready(void *priv)
{
struct s5p_jpeg_ctx *ctx = priv;
@@ -1035,6 +1365,12 @@
.device_run = s5p_jpeg_device_run,
.job_ready = s5p_jpeg_job_ready,
.job_abort = s5p_jpeg_job_abort,
+}
+;
+static struct v4l2_m2m_ops exynos_jpeg_m2m_ops = {
+ .device_run = exynos4_jpeg_device_run,
+ .job_ready = s5p_jpeg_job_ready,
+ .job_abort = s5p_jpeg_job_abort,
};
/*
@@ -1241,6 +1577,69 @@
return IRQ_HANDLED;
}
+static irqreturn_t exynos4_jpeg_irq(int irq, void *priv)
+{
+ unsigned int int_status;
+ struct vb2_buffer *src_vb, *dst_vb;
+ struct s5p_jpeg *jpeg = priv;
+ struct s5p_jpeg_ctx *curr_ctx;
+ unsigned long payload_size = 0;
+
+ spin_lock(&jpeg->slock);
+
+ curr_ctx = v4l2_m2m_get_curr_priv(jpeg->m2m_dev);
+
+ src_vb = v4l2_m2m_src_buf_remove(curr_ctx->fh.m2m_ctx);
+ dst_vb = v4l2_m2m_dst_buf_remove(curr_ctx->fh.m2m_ctx);
+
+ int_status = exynos4_jpeg_get_int_status(jpeg->regs);
+
+ if (int_status) {
+ switch (int_status & 0x1f) {
+ case 0x1:
+ jpeg->irq_ret = ERR_PROT;
+ break;
+ case 0x2:
+ jpeg->irq_ret = OK_ENC_OR_DEC;
+ break;
+ case 0x4:
+ jpeg->irq_ret = ERR_DEC_INVALID_FORMAT;
+ break;
+ case 0x8:
+ jpeg->irq_ret = ERR_MULTI_SCAN;
+ break;
+ case 0x10:
+ jpeg->irq_ret = ERR_FRAME;
+ break;
+ default:
+ jpeg->irq_ret = ERR_UNKNOWN;
+ break;
+ }
+ } else {
+ jpeg->irq_ret = ERR_UNKNOWN;
+ }
+
+ if (jpeg->irq_ret == OK_ENC_OR_DEC) {
+ if (curr_ctx->mode == S5P_JPEG_ENCODE) {
+ payload_size = exynos4_jpeg_get_stream_size(jpeg->regs);
+ vb2_set_plane_payload(dst_vb, 0, payload_size);
+ }
+ v4l2_m2m_buf_done(src_vb, VB2_BUF_STATE_DONE);
+ v4l2_m2m_buf_done(dst_vb, VB2_BUF_STATE_DONE);
+ } else {
+ v4l2_m2m_buf_done(src_vb, VB2_BUF_STATE_ERROR);
+ v4l2_m2m_buf_done(dst_vb, VB2_BUF_STATE_ERROR);
+ }
+
+ v4l2_m2m_job_finish(jpeg->m2m_dev, curr_ctx->fh.m2m_ctx);
+ curr_ctx->subsampling = exynos4_jpeg_get_frame_fmt(jpeg->regs);
+
+ spin_unlock(&jpeg->slock);
+ return IRQ_HANDLED;
+}
+
+static void *jpeg_get_drv_data(struct platform_device *pdev);
+
/*
* ============================================================================
* Driver basic infrastructure
@@ -1251,13 +1650,19 @@
{
struct s5p_jpeg *jpeg;
struct resource *res;
+ struct v4l2_m2m_ops *samsung_jpeg_m2m_ops;
int ret;
+ if (!pdev->dev.of_node)
+ return -ENODEV;
+
/* JPEG IP abstraction struct */
jpeg = devm_kzalloc(&pdev->dev, sizeof(struct s5p_jpeg), GFP_KERNEL);
if (!jpeg)
return -ENOMEM;
+ jpeg->variant = jpeg_get_drv_data(pdev);
+
mutex_init(&jpeg->lock);
spin_lock_init(&jpeg->slock);
jpeg->dev = &pdev->dev;
@@ -1276,8 +1681,8 @@
return ret;
}
- ret = devm_request_irq(&pdev->dev, jpeg->irq, s5p_jpeg_irq, 0,
- dev_name(&pdev->dev), jpeg);
+ ret = devm_request_irq(&pdev->dev, jpeg->irq, jpeg->variant->jpeg_irq,
+ 0, dev_name(&pdev->dev), jpeg);
if (ret) {
dev_err(&pdev->dev, "cannot claim IRQ %d\n", jpeg->irq);
return ret;
@@ -1299,8 +1704,13 @@
goto clk_get_rollback;
}
+ if (jpeg->variant->version == SJPEG_S5P)
+ samsung_jpeg_m2m_ops = &s5p_jpeg_m2m_ops;
+ else
+ samsung_jpeg_m2m_ops = &exynos_jpeg_m2m_ops;
+
/* mem2mem device */
- jpeg->m2m_dev = v4l2_m2m_init(&s5p_jpeg_m2m_ops);
+ jpeg->m2m_dev = v4l2_m2m_init(samsung_jpeg_m2m_ops);
if (IS_ERR(jpeg->m2m_dev)) {
v4l2_err(&jpeg->v4l2_dev, "Failed to init mem2mem device\n");
ret = PTR_ERR(jpeg->m2m_dev);
@@ -1448,12 +1858,16 @@
/*
* JPEG IP allows storing two Huffman tables for each component
- * We fill table 0 for each component
+ * We fill table 0 for each component and do this here only
+ * for S5PC210 device as Exynos4x12 requires programming its
+ * Huffman tables each time the encoding process is initialized.
*/
- s5p_jpeg_set_hdctbl(jpeg->regs);
- s5p_jpeg_set_hdctblg(jpeg->regs);
- s5p_jpeg_set_hactbl(jpeg->regs);
- s5p_jpeg_set_hactblg(jpeg->regs);
+ if (jpeg->variant->version == SJPEG_S5P) {
+ s5p_jpeg_set_hdctbl(jpeg->regs);
+ s5p_jpeg_set_hdctblg(jpeg->regs);
+ s5p_jpeg_set_hactbl(jpeg->regs);
+ s5p_jpeg_set_hactblg(jpeg->regs);
+ }
spin_unlock_irqrestore(&jpeg->slock, flags);
@@ -1482,27 +1896,60 @@
};
#ifdef CONFIG_OF
-static const struct of_device_id s5p_jpeg_of_match[] = {
- { .compatible = "samsung,s5pv210-jpeg" },
- { .compatible = "samsung,exynos4210-jpeg" },
- { /* sentinel */ },
+static struct s5p_jpeg_variant s5p_jpeg_drvdata = {
+ .version = SJPEG_S5P,
+ .jpeg_irq = s5p_jpeg_irq,
};
-MODULE_DEVICE_TABLE(of, s5p_jpeg_of_match);
+
+static struct s5p_jpeg_variant exynos4_jpeg_drvdata = {
+ .version = SJPEG_EXYNOS4,
+ .jpeg_irq = exynos4_jpeg_irq,
+};
+
+static const struct of_device_id samsung_jpeg_match[] = {
+ {
+ .compatible = "samsung,s5pv210-jpeg",
+ .data = &s5p_jpeg_drvdata,
+ }, {
+ .compatible = "samsung,exynos4210-jpeg",
+ .data = &s5p_jpeg_drvdata,
+ }, {
+ .compatible = "samsung,exynos4212-jpeg",
+ .data = &exynos4_jpeg_drvdata,
+ },
+ {},
+};
+
+MODULE_DEVICE_TABLE(of, samsung_jpeg_match);
+
+static void *jpeg_get_drv_data(struct platform_device *pdev)
+{
+ struct s5p_jpeg_variant *driver_data = NULL;
+ const struct of_device_id *match;
+
+ match = of_match_node(of_match_ptr(samsung_jpeg_match),
+ pdev->dev.of_node);
+ if (match)
+ driver_data = (struct s5p_jpeg_variant *)match->data;
+
+ return driver_data;
+}
#endif
static struct platform_driver s5p_jpeg_driver = {
.probe = s5p_jpeg_probe,
.remove = s5p_jpeg_remove,
.driver = {
- .of_match_table = of_match_ptr(s5p_jpeg_of_match),
- .owner = THIS_MODULE,
- .name = S5P_JPEG_M2M_NAME,
- .pm = &s5p_jpeg_pm_ops,
+ .of_match_table = of_match_ptr(samsung_jpeg_match),
+ .owner = THIS_MODULE,
+ .name = S5P_JPEG_M2M_NAME,
+ .pm = &s5p_jpeg_pm_ops,
},
};
module_platform_driver(s5p_jpeg_driver);
MODULE_AUTHOR("Andrzej Pietrasiewicz <andrzej.p@samsung.com>");
+MODULE_AUTHOR("Jacek Anaszewski <j.anaszewski@samsung.com>");
MODULE_DESCRIPTION("Samsung JPEG codec driver");
MODULE_LICENSE("GPL");