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include: linux: add ebc.h

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Change-Id: Id475a878e770f37f9110391d8864f8fcccbd3bfa
Signed-off-by: Zorro Liu <lyx@rock-chips.com>
This commit is contained in:
Zorro Liu 2024-03-25 14:54:24 +08:00 • committed by Tao Huang
commit 97872f0a58
2 changed files with 43 additions and 29 deletions
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30
drivers/gpu/drm/rockchip/ebc-dev/ebc_dev.h
View file

@ -8,6 +8,7 @@
#ifndef __EBC_DEV_H__
#define __EBC_DEV_H__
#include <linux/ebc.h>
#include <linux/notifier.h>
/*
@ -25,14 +26,6 @@
#define EBC_SUCCESS (0)
#define EBC_ERROR (-1)
/*
* ebc status notify
*/
#define EBC_OFF (0)
#define EBC_ON (1)
#define EBC_FB_BLANK (2)
#define EBC_FB_UNBLANK (3)
/*
* ebc system ioctl command
*/
@ -90,25 +83,4 @@ struct ebc_buf_info {
int height_mm;
};
#if IS_ENABLED(CONFIG_ROCKCHIP_EBC_DEV)
int ebc_register_notifier(struct notifier_block *nb);
int ebc_unregister_notifier(struct notifier_block *nb);
int ebc_notify(unsigned long event);
#else
static inline int ebc_register_notifier(struct notifier_block *nb)
{
return 0;
}
static inline int ebc_unregister_notifier(struct notifier_block *nb)
{
return 0;
}
static inline int ebc_notify(unsigned long event)
{
return 0;
}
#endif
#endif

42
include/linux/ebc.h Normal file
View file

@ -0,0 +1,42 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2024 Rockchip Electronics Co. Ltd.
*
* Author: Zorro Liu <zorro.liu@rock-chips.com>
*/
#ifndef __LINUX_EBC_H__
#define __LINUX_EBC_H__
#include <linux/notifier.h>
/*
* ebc status notify
*/
#define EBC_OFF (0)
#define EBC_ON (1)
#define EBC_FB_BLANK (2)
#define EBC_FB_UNBLANK (3)
#if IS_REACHABLE(CONFIG_ROCKCHIP_EBC_DEV)
int ebc_register_notifier(struct notifier_block *nb);
int ebc_unregister_notifier(struct notifier_block *nb);
int ebc_notify(unsigned long event);
#else
static inline int ebc_register_notifier(struct notifier_block *nb)
{
return 0;
}
static inline int ebc_unregister_notifier(struct notifier_block *nb)
{
return 0;
}
static inline int ebc_notify(unsigned long event)
{
return 0;
}
#endif
#endif