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V4L/DVB: v4l: s5p-fimc: Fix 3-planar formats handling and pixel offset error on S5PV210 SoCs 

Fix DMA engine pixel offset calculation for 3-planar YUV formats.
On S5PV210 SoCs horizontal offset is applied as number of pixels,
not bytes per line.

[mchehab@redhat.com: CodingStyle cleanup]
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Sylwester Nawrocki 2010-09-06 03:53:44 -03:00 committed by Mauro Carvalho Chehab
parent 81c69fc200
commit ddc79e0fdc
1 changed files with 37 additions and 50 deletions
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87
drivers/media/video/s5p-fimc/fimc-core.c
View File

@ -393,6 +393,37 @@ static void fimc_set_yuv_order(struct fimc_ctx *ctx)
dbg("ctx->out_order_1p= %d", ctx->out_order_1p);
}
static void fimc_prepare_dma_offset(struct fimc_ctx *ctx, struct fimc_frame *f)
{
struct samsung_fimc_variant *variant = ctx->fimc_dev->variant;
f->dma_offset.y_h = f->offs_h;
if (!variant->pix_hoff)
f->dma_offset.y_h *= (f->fmt->depth >> 3);
f->dma_offset.y_v = f->offs_v;
f->dma_offset.cb_h = f->offs_h;
f->dma_offset.cb_v = f->offs_v;
f->dma_offset.cr_h = f->offs_h;
f->dma_offset.cr_v = f->offs_v;
if (!variant->pix_hoff) {
if (f->fmt->planes_cnt == 3) {
f->dma_offset.cb_h >>= 1;
f->dma_offset.cr_h >>= 1;
}
if (f->fmt->color == S5P_FIMC_YCBCR420) {
f->dma_offset.cb_v >>= 1;
f->dma_offset.cr_v >>= 1;
}
}
dbg("in_offset: color= %d, y_h= %d, y_v= %d",
f->fmt->color, f->dma_offset.y_h, f->dma_offset.y_v);
}
/**
* fimc_prepare_config - check dimensions, operation and color mode
* and pre-calculate offset and the scaling coefficients.
@ -406,7 +437,6 @@ static int fimc_prepare_config(struct fimc_ctx *ctx, u32 flags)
{
struct fimc_frame *s_frame, *d_frame;
struct fimc_vid_buffer *buf = NULL;
struct samsung_fimc_variant *variant = ctx->fimc_dev->variant;
int ret = 0;
s_frame = &ctx->s_frame;
@ -419,61 +449,16 @@ static int fimc_prepare_config(struct fimc_ctx *ctx, u32 flags)
swap(d_frame->width, d_frame->height);
}
/* Prepare the output offset ratios for scaler. */
d_frame->dma_offset.y_h = d_frame->offs_h;
if (!variant->pix_hoff)
d_frame->dma_offset.y_h *= (d_frame->fmt->depth >> 3);
/* Prepare the DMA offset ratios for scaler. */
fimc_prepare_dma_offset(ctx, &ctx->s_frame);
fimc_prepare_dma_offset(ctx, &ctx->d_frame);
d_frame->dma_offset.y_v = d_frame->offs_v;
d_frame->dma_offset.cb_h = d_frame->offs_h;
d_frame->dma_offset.cb_v = d_frame->offs_v;
d_frame->dma_offset.cr_h = d_frame->offs_h;
d_frame->dma_offset.cr_v = d_frame->offs_v;
if (!variant->pix_hoff && d_frame->fmt->planes_cnt == 3) {
d_frame->dma_offset.cb_h >>= 1;
d_frame->dma_offset.cb_v >>= 1;
d_frame->dma_offset.cr_h >>= 1;
d_frame->dma_offset.cr_v >>= 1;
}
dbg("out offset: color= %d, y_h= %d, y_v= %d",
d_frame->fmt->color,
d_frame->dma_offset.y_h, d_frame->dma_offset.y_v);
/* Prepare the input offset ratios for scaler. */
s_frame->dma_offset.y_h = s_frame->offs_h;
if (!variant->pix_hoff)
s_frame->dma_offset.y_h *= (s_frame->fmt->depth >> 3);
s_frame->dma_offset.y_v = s_frame->offs_v;
s_frame->dma_offset.cb_h = s_frame->offs_h;
s_frame->dma_offset.cb_v = s_frame->offs_v;
s_frame->dma_offset.cr_h = s_frame->offs_h;
s_frame->dma_offset.cr_v = s_frame->offs_v;
if (!variant->pix_hoff && s_frame->fmt->planes_cnt == 3) {
s_frame->dma_offset.cb_h >>= 1;
s_frame->dma_offset.cb_v >>= 1;
s_frame->dma_offset.cr_h >>= 1;
s_frame->dma_offset.cr_v >>= 1;
}
dbg("in offset: color= %d, y_h= %d, y_v= %d",
s_frame->fmt->color, s_frame->dma_offset.y_h,
s_frame->dma_offset.y_v);
fimc_set_yuv_order(ctx);
/* Check against the scaler ratio. */
if (s_frame->height > (SCALER_MAX_VRATIO * d_frame->height) ||
s_frame->width > (SCALER_MAX_HRATIO * d_frame->width)) {
err("out of scaler range");
return -EINVAL;
}
fimc_set_yuv_order(ctx);
}
/* Input DMA mode is not allowed when the scaler is disabled. */
@ -1495,6 +1480,7 @@ static struct samsung_fimc_variant fimc2_variant_s5p = {
};
static struct samsung_fimc_variant fimc01_variant_s5pv210 = {
.pix_hoff = 1,
.has_inp_rot = 1,
.has_out_rot = 1,
.min_inp_pixsize = 16,
@ -1509,6 +1495,7 @@ static struct samsung_fimc_variant fimc01_variant_s5pv210 = {
};
static struct samsung_fimc_variant fimc2_variant_s5pv210 = {
.pix_hoff = 1,
.min_inp_pixsize = 16,
.min_out_pixsize = 32,