[PATCH v4 0/5] Add new driver for generic scaler

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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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