| /* |
| * 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, |
| /* 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; |
| }; |
| |
| int msm_drm_register_client(struct notifier_block *nb); |
| int msm_drm_unregister_client(struct notifier_block *nb); |
| #endif |