From: Eunchul Kim <chulspro.kim@samsung.com>
Date: Fri, 14 Dec 2012 08:58:56 +0000 (+0900)
Subject: drm/exynos: add rotator ipp driver
X-Git-Tag: v3.8-rc1~82^2~1^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bea8a429d91a1fd9a88c87df28062c632a1081f9;p=pandora-kernel.git

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>
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