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path: root/drivers/media/platform/s5p-jpeg/jpeg-core.c
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Diffstat (limited to 'drivers/media/platform/s5p-jpeg/jpeg-core.c')
-rw-r--r--drivers/media/platform/s5p-jpeg/jpeg-core.c527
1 files changed, 515 insertions, 12 deletions
diff --git a/drivers/media/platform/s5p-jpeg/jpeg-core.c b/drivers/media/platform/s5p-jpeg/jpeg-core.c
index 0dcb796ecad9..126199e010c7 100644
--- a/drivers/media/platform/s5p-jpeg/jpeg-core.c
+++ b/drivers/media/platform/s5p-jpeg/jpeg-core.c
@@ -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,
},
{
@@ -70,6 +72,19 @@ static struct s5p_jpeg_fmt sjpeg_formats[] = {
.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,
.depth = 16,
@@ -83,6 +98,45 @@ static struct s5p_jpeg_fmt sjpeg_formats[] = {
.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,
.depth = 16,
@@ -100,6 +154,32 @@ static struct s5p_jpeg_fmt sjpeg_formats[] = {
.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,
+ .depth = 16,
+ .colplanes = 1,
.h_align = 0,
.v_align = 0,
.flags = SJPEG_FMT_FLAG_ENC_OUTPUT |
@@ -121,6 +201,19 @@ static struct s5p_jpeg_fmt sjpeg_formats[] = {
.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,
.depth = 24,
@@ -190,9 +283,23 @@ static struct s5p_jpeg_fmt sjpeg_formats[] = {
.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,
+ .depth = 12,
+ .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,
@@ -202,10 +309,24 @@ static struct s5p_jpeg_fmt sjpeg_formats[] = {
.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,
+ .depth = 12,
+ .colplanes = 2,
.h_align = 1,
.v_align = 1,
.flags = SJPEG_FMT_FLAG_ENC_OUTPUT |
SJPEG_FMT_FLAG_DEC_CAPTURE |
+ SJPEG_FMT_FLAG_EXYNOS3250 |
SJPEG_FMT_FLAG_EXYNOS4 |
SJPEG_FMT_NON_RGB,
.subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_420,
@@ -224,6 +345,19 @@ static struct s5p_jpeg_fmt sjpeg_formats[] = {
.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,
.depth = 8,
@@ -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,
@@ -2162,8 +2662,11 @@ 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,

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