55 lines
1.4 KiB
C
55 lines
1.4 KiB
C
/*
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* Copyright (c) 2012-2015, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __DRM_NOTIFY_H__
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#define __DRM_NOTIFY_H__
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#include <linux/notifier.h>
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/* DRM extension event */
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#define DRM_EXT_EVENT_BEFORE_BLANK 0xF0
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#define DRM_EXT_EVENT_AFTER_BLANK 0xF1
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/* DRM extension event data*/
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enum {
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DRM_BLANK_UNBLANK,
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DRM_BLANK_POWERDOWN,
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};
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struct drm_ext_event {
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void *data;
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};
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#ifdef CONFIG_DRM_SDE_SPECIFIC_PANEL
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extern int drm_register_client(struct notifier_block *nb);
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extern int drm_unregister_client(struct notifier_block *nb);
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extern int drm_notifier_call_chain(unsigned long val, void *v);
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#else
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static inline int drm_register_client(struct notifier_block *nb)
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{
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return 0;
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}
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static inline int drm_unregister_client(struct notifier_block *nb)
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{
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return 0;
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}
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static inline int drm_notifier_call_chain(unsigned long val, void *v)
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{
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return 0;
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}
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#endif /* CONFIG_DRM_SDE_SPECIFIC_PANEL */
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#endif /* __DRM_NOTIFY_H__ */
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