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To support LCD I80 interface, the panel should generate Tearing Effect synchronization signal between MCU and FB to display video images. And the display controller should trigger to transfer video image at this signal. So the panel receives the TE IRQ, then calls these handler chains to notify it to the display controller. Signed-off-by: YoungJun Cho <yj44.cho@samsung.com> Acked-by: Inki Dae <inki.dae@samsung.com> Acked-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
47 lines
1.6 KiB
C
47 lines
1.6 KiB
C
/* exynos_drm_crtc.h
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*
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* Copyright (c) 2011 Samsung Electronics Co., Ltd.
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* Authors:
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* Inki Dae <inki.dae@samsung.com>
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* Joonyoung Shim <jy0922.shim@samsung.com>
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* Seung-Woo Kim <sw0312.kim@samsung.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*/
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#ifndef _EXYNOS_DRM_CRTC_H_
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#define _EXYNOS_DRM_CRTC_H_
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struct drm_device;
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struct drm_crtc;
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struct exynos_drm_manager;
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struct exynos_drm_overlay;
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int exynos_drm_crtc_create(struct exynos_drm_manager *manager);
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int exynos_drm_crtc_enable_vblank(struct drm_device *dev, int pipe);
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void exynos_drm_crtc_disable_vblank(struct drm_device *dev, int pipe);
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void exynos_drm_crtc_finish_pageflip(struct drm_device *dev, int pipe);
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void exynos_drm_crtc_complete_scanout(struct drm_framebuffer *fb);
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void exynos_drm_crtc_plane_mode_set(struct drm_crtc *crtc,
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struct exynos_drm_overlay *overlay);
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void exynos_drm_crtc_plane_commit(struct drm_crtc *crtc, int zpos);
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void exynos_drm_crtc_plane_enable(struct drm_crtc *crtc, int zpos);
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void exynos_drm_crtc_plane_disable(struct drm_crtc *crtc, int zpos);
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/* This function gets pipe value to crtc device matched with out_type. */
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int exynos_drm_crtc_get_pipe_from_type(struct drm_device *drm_dev,
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unsigned int out_type);
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/*
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* This function calls the crtc device(manager)'s te_handler() callback
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* to trigger to transfer video image at the tearing effect synchronization
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* signal.
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*/
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void exynos_drm_crtc_te_handler(struct drm_crtc *crtc);
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#endif
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