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[media] exynos-gsc: Adding tiled multi-planar format to G-Scaler

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Adding V4L2_PIX_FMT_NV12MT_16X16 to G-Scaler supported formats.
If the output or input format is V4L2_PIX_FMT_NV12MT_16X16, configure
G-Scaler to use GSC_IN_TILE_MODE.

[s.nawrocki: shortened the pixel format description]

Signed-off-by: Shaik Ameer Basha <shaik.ameer@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Shaik Ameer Basha 2012-11-07 03:37:07 -03:00 committed by Mauro Carvalho Chehab
parent 4bb891ebf6
commit aecede4c45
3 changed files with 20 additions and 0 deletions
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9
drivers/media/platform/exynos-gsc/gsc-core.c
View File

@ -185,6 +185,15 @@ static const struct gsc_fmt gsc_formats[] = {
.corder = GSC_CRCB,
.num_planes = 3,
.num_comp = 3,
}, {
.name = "YUV 4:2:0 n.c. 2p, Y/CbCr tiled",
.pixelformat = V4L2_PIX_FMT_NV12MT_16X16,
.depth = { 8, 4 },
.color = GSC_YUV420,
.yorder = GSC_LSB_Y,
.corder = GSC_CBCR,
.num_planes = 2,
.num_comp = 2,
}
};

5
drivers/media/platform/exynos-gsc/gsc-core.h
View File

@ -427,6 +427,11 @@ static inline void gsc_ctx_state_lock_clear(u32 state, struct gsc_ctx *ctx)
spin_unlock_irqrestore(&ctx->gsc_dev->slock, flags);
}
static inline int is_tiled(const struct gsc_fmt *fmt)
{
return fmt->pixelformat == V4L2_PIX_FMT_NV12MT_16X16;
}
static inline void gsc_hw_enable_control(struct gsc_dev *dev, bool on)
{
u32 cfg = readl(dev->regs + GSC_ENABLE);

6
drivers/media/platform/exynos-gsc/gsc-regs.c
View File

@ -214,6 +214,9 @@ void gsc_hw_set_in_image_format(struct gsc_ctx *ctx)
break;
}
if (is_tiled(frame->fmt))
cfg |= GSC_IN_TILE_C_16x8 | GSC_IN_TILE_MODE;
writel(cfg, dev->regs + GSC_IN_CON);
}
@ -334,6 +337,9 @@ void gsc_hw_set_out_image_format(struct gsc_ctx *ctx)
break;
}
if (is_tiled(frame->fmt))
cfg |= GSC_OUT_TILE_C_16x8 | GSC_OUT_TILE_MODE;
end_set:
writel(cfg, dev->regs + GSC_OUT_CON);
}