drm/exynos: add rotator ipp driver
authorEunchul Kim <chulspro.kim@samsung.com>
Fri, 14 Dec 2012 08:58:56 +0000 (17:58 +0900)
committerInki Dae <daeinki@gmail.com>
Fri, 14 Dec 2012 17:39:41 +0000 (02:39 +0900)
commitbea8a429d91a1fd9a88c87df28062c632a1081f9
treecba3e81be4c5dd75b2715f195f1ace57d18ff9da
parent16102edb49b6cc7fbb68b10c04a42b78fbceb3ed
drm/exynos: add rotator ipp driver

This patch adds IPP subsystem-based rotator driver.
And Rotator supports the following features.
- Image crop operation support.
- Rotate operation support to 90, 180 or 270 degree.
- Flip operation support to vertical, horizontal or both.
  . as limitaions, the pixel format to source buffer should be
    same as the one to destination buffer and no scaler.

This driver is registered to IPP subsystem framework to be used by user side
and user can control the Rotator hardware through some interfaces of IPP
subsystem framework.

Changelog v6:
- fix build warning.

Changelog v1 ~ v5:
- added comments, code fixups and cleanups.

Signed-off-by: Eunchul Kim <chulspro.kim@samsung.com>
Signed-off-by: Youngjun Cho <yj44.cho@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
drivers/gpu/drm/exynos/Kconfig
drivers/gpu/drm/exynos/Makefile
drivers/gpu/drm/exynos/exynos_drm_drv.c
drivers/gpu/drm/exynos/exynos_drm_drv.h
drivers/gpu/drm/exynos/exynos_drm_rotator.c [new file with mode: 0644]
drivers/gpu/drm/exynos/exynos_drm_rotator.h [new file with mode: 0644]
drivers/gpu/drm/exynos/regs-rotator.h [new file with mode: 0644]