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/* exynos_drm_crtc.h
*
* Copyright (c) 2011 Samsung Electronics Co., Ltd.
* Authors:
* Inki Dae <inki.dae@samsung.com>
* Joonyoung Shim <jy0922.shim@samsung.com>
* Seung-Woo Kim <sw0312.kim@samsung.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef _EXYNOS_DRM_CRTC_H_
#define _EXYNOS_DRM_CRTC_H_
struct exynos_drm_overlay *get_exynos_drm_overlay(struct drm_device *dev,
struct drm_crtc *crtc);
int exynos_drm_crtc_create(struct drm_device *dev, unsigned int nr);
int exynos_drm_crtc_enable_vblank(struct drm_device *dev, int crtc);
void exynos_drm_crtc_disable_vblank(struct drm_device *dev, int crtc);
/*
* Exynos specific crtc postion structure.
*
* @fb_x: offset x on a framebuffer to be displyed
* - the unit is screen coordinates.
* @fb_y: offset y on a framebuffer to be displayed
* - the unit is screen coordinates.
* @src_w: width of source area to be displayed from a framebuffer.
* @src_h: height of source area to be displayed from a framebuffer.
* @crtc_x: offset x on hardware screen.
* @crtc_y: offset y on hardware screen.
* @crtc_w: width of hardware screen.
* @crtc_h: height of hardware screen.
*/
struct exynos_drm_crtc_pos {
unsigned int fb_x;
unsigned int fb_y;
unsigned int src_w;
unsigned int src_h;
unsigned int crtc_x;
unsigned int crtc_y;
unsigned int crtc_w;
unsigned int crtc_h;
};
int exynos_drm_overlay_update(struct exynos_drm_overlay *overlay,
struct drm_framebuffer *fb,
struct drm_display_mode *mode,
struct exynos_drm_crtc_pos *pos);
#endif
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