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/*
* Copyright (c) 2017, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef _MSM_DRM_NOTIFY_H_
#define _MSM_DRM_NOTIFY_H_
#include <linux/notifier.h>
/* A hardware display blank change occurred */
#define MSM_DRM_EVENT_BLANK 0x01
/* A hardware display blank early change occurred */
#define MSM_DRM_EARLY_EVENT_BLANK 0x02
enum {
/* panel: power on */
MSM_DRM_BLANK_UNBLANK,
MSM_DRM_BLANK_LP1,
MSM_DRM_BLANK_LP2,
MSM_DRM_BLANK_STANDBY,
MSM_DRM_BLANK_SUSPEND,
/* panel: power off */
MSM_DRM_BLANK_POWERDOWN,
};
enum msm_drm_display_id {
/* primary display */
MSM_DRM_PRIMARY_DISPLAY,
/* external display */
MSM_DRM_EXTERNAL_DISPLAY,
MSM_DRM_DISPLAY_MAX
};
struct msm_drm_notifier {
enum msm_drm_display_id id;
void *data;
bool is_primary;
};
int msm_drm_register_client(struct notifier_block *nb);
int msm_drm_unregister_client(struct notifier_block *nb);
int msm_drm_notifier_call_chain(unsigned long val, void *v);
#endif
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