This patch add support gscaler device which is a new device
for scaling and color space conversion on EXYNOS5 SoCs.
This device supports the followings as key feature.
1) Input image format
- RGB888/565, YUV422 1P/2P, YUV420 2P/3P, TILE
2) Output image format
- RGB888/565, YUV422 1P/2P, YUV420 2P/3P, YUV444
3) Input rotation
- 0/90/180/270 degree, X/Y Flip
4) Scale ratio
- 1/16 scale down to 8 scale up
5) CSC
- RGB to YUV / YUV to RGB
6) Size
- 2048 x 2048 for tile or rotation
- 4800 x 3344 other case
changes since v1:
- Rebased on latest media-next tree
http://linuxtv.org/git/mchehab/media-next.git
- Addressed review comments from Sylwester Nawrocki
http://patchwork.linuxtv.org/patch/9909/
- Removed gscaler capture, output and media device features from V1,
as we have a plan to incremently add those gscaler features soon.
- adds NV12 format support
- adds custom controls specific to gscaler driver
Shaik Ameer Basha (1):
media: gscaler: Add new driver for generic scaler
drivers/media/video/Kconfig | 10 +
drivers/media/video/Makefile | 1 +
drivers/media/video/exynos/Kconfig | 11 +
drivers/media/video/exynos/Makefile | 1 +
drivers/media/video/exynos/gsc/Kconfig | 7 +
drivers/media/video/exynos/gsc/Makefile | 3 +
drivers/media/video/exynos/gsc/gsc-core.c | 1304 +++++++++++++++++++++++++++++
drivers/media/video/exynos/gsc/gsc-core.h | 652 ++++++++++++++
drivers/media/video/exynos/gsc/gsc-m2m.c | 751 +++++++++++++++++
drivers/media/video/exynos/gsc/gsc-regs.c | 579 +++++++++++++
drivers/media/video/exynos/gsc/gsc-regs.h | 211 +++++
include/linux/videodev2.h | 2 +
12 files changed, 3532 insertions(+), 0 deletions(-)
create mode 100644 drivers/media/video/exynos/Kconfig
create mode 100644 drivers/media/video/exynos/Makefile
create mode 100644 drivers/media/video/exynos/gsc/Kconfig
create mode 100644 drivers/media/video/exynos/gsc/Makefile
create mode 100644 drivers/media/video/exynos/gsc/gsc-core.c
create mode 100644 drivers/media/video/exynos/gsc/gsc-core.h
create mode 100644 drivers/media/video/exynos/gsc/gsc-m2m.c
create mode 100644 drivers/media/video/exynos/gsc/gsc-regs.c
create mode 100644 drivers/media/video/exynos/gsc/gsc-regs.h
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