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| author | Shaik Ameer Basha <shaik.ameer@samsung.com> | 2012-11-07 07:37:07 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-12-21 13:18:48 +0100 |
| commit | aecede4c45ae32944e822ef98d4837733837887d (patch) | |
| tree | d291d8f6b7754024c30d1c18d57576a2fd42996f /drivers | |
| parent | [media] ivtv: ivtv-driver: Replace 'flush_work_sync()' (diff) | |
| download | linux-aecede4c45ae32944e822ef98d4837733837887d.tar.xz linux-aecede4c45ae32944e822ef98d4837733837887d.zip | |
[media] exynos-gsc: Adding tiled multi-planar format to G-Scaler
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/platform/exynos-gsc/gsc-core.c | 9 | ||||
| -rw-r--r-- | drivers/media/platform/exynos-gsc/gsc-core.h | 5 | ||||
| -rw-r--r-- | drivers/media/platform/exynos-gsc/gsc-regs.c | 6 |
3 files changed, 20 insertions, 0 deletions
diff --git a/drivers/media/platform/exynos-gsc/gsc-core.c b/drivers/media/platform/exynos-gsc/gsc-core.c index cc7b218d047c..6d6f65d8c1e5 100644 --- a/drivers/media/platform/exynos-gsc/gsc-core.c +++ b/drivers/media/platform/exynos-gsc/gsc-core.c @@ -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, } }; diff --git a/drivers/media/platform/exynos-gsc/gsc-core.h b/drivers/media/platform/exynos-gsc/gsc-core.h index 5f157efd24f0..cc19bba09bd1 100644 --- a/drivers/media/platform/exynos-gsc/gsc-core.h +++ b/drivers/media/platform/exynos-gsc/gsc-core.h @@ -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); diff --git a/drivers/media/platform/exynos-gsc/gsc-regs.c b/drivers/media/platform/exynos-gsc/gsc-regs.c index 0146b354dc22..6f5b5a486cf3 100644 --- a/drivers/media/platform/exynos-gsc/gsc-regs.c +++ b/drivers/media/platform/exynos-gsc/gsc-regs.c @@ -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); } |