This patch adds support for the 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 v3:
- Rebased on latest media-tree git, branch staging/for_v3.6.
http://linuxtv.org/git/media_tree.git
- Addressed review comments from Sylwester Nawrocki
http://patchwork.linuxtv.org/patch/13465/
http://patchwork.linuxtv.org/patch/13469/
http://patchwork.linuxtv.org/patch/13479/
http://patchwork.linuxtv.org/patch/13467/
http://patchwork.linuxtv.org/patch/13468/
Note: This patch set is based on the following two patches
1] "V4L: Remove "_ACTIVE" from the selection target name definitions"
2] "v4l: add fourcc definitions for new formats"
Shaik Ameer Basha (2):
v4l: Add new YVU420 multi planar fourcc definition
media: gscaler: Add Makefile for G-Scaler Driver
Sungchun Kang (3):
media: gscaler: Add new driver for generic scaler
media: gscaler: Add core functionality for the G-Scaler driver
media: gscaler: Add m2m functionality for the G-Scaler driver
Documentation/DocBook/media/v4l/pixfmt-yvu420m.xml | 154 +++
Documentation/DocBook/media/v4l/pixfmt.xml | 1 +
drivers/media/video/Kconfig | 8 +
drivers/media/video/Makefile | 2 +
drivers/media/video/exynos-gsc/Makefile | 3 +
drivers/media/video/exynos-gsc/gsc-core.c | 1263 ++++++++++++++++++++
drivers/media/video/exynos-gsc/gsc-core.h | 537 +++++++++
drivers/media/video/exynos-gsc/gsc-m2m.c | 772 ++++++++++++
drivers/media/video/exynos-gsc/gsc-regs.c | 431 +++++++
drivers/media/video/exynos-gsc/gsc-regs.h | 172 +++
include/linux/videodev2.h | 1 +
11 files changed, 3344 insertions(+), 0 deletions(-)
create mode 100644 Documentation/DocBook/media/v4l/pixfmt-yvu420m.xml
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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