include/linux/amlogic/media/vout/lcd/lcd_notify.h

/* SPDX-License-Identifier: GPL-2.0+ */
/*
 *
 * Copyright (C) 2019 Amlogic, Inc. All rights reserved.
 *
 */

#ifndef _INC_LCD_NOTIFY_H_
#define _INC_LCD_NOTIFY_H_

#include <linux/notifier.h>

#define LCD_PRIORITY_INIT_CONFIG       12
#define LCD_PRIORITY_INIT_VOUT         11

#define LCD_PRIORITY_SCREEN_BLACK      7
#define LCD_PRIORITY_POWER_BL_OFF      6
#define LCD_PRIORITY_POWER_IF_OFF      5
#define LCD_PRIORITY_POWER_ENCL_OFF    4
#define LCD_PRIORITY_POWER_ENCL_ON     3
#define LCD_PRIORITY_POWER_IF_ON       2
#define LCD_PRIORITY_POWER_BL_ON       1
#define LCD_PRIORITY_SCREEN_RESTORE    0

/* original event */
#define LCD_EVENT_SCREEN_BLACK         BIT(0)
#define LCD_EVENT_BL_OFF               BIT(1)
#define LCD_EVENT_IF_OFF               BIT(2)
#define LCD_EVENT_ENCL_OFF             BIT(3)
#define LCD_EVENT_ENCL_ON              BIT(4)
#define LCD_EVENT_IF_ON                BIT(5)
#define LCD_EVENT_BL_ON                BIT(6)
#define LCD_EVENT_SCREEN_RESTORE       BIT(7)

/* combined event */
#define LCD_EVENT_POWER_ON             \
	(LCD_EVENT_BL_ON | LCD_EVENT_IF_ON | LCD_EVENT_ENCL_ON | LCD_EVENT_SCREEN_RESTORE)
#define LCD_EVENT_IF_POWER_ON          \
	(LCD_EVENT_IF_ON | LCD_EVENT_BL_ON | LCD_EVENT_SCREEN_RESTORE)
#define LCD_EVENT_POWER_OFF            \
	(LCD_EVENT_SCREEN_BLACK | LCD_EVENT_BL_OFF | LCD_EVENT_IF_OFF | LCD_EVENT_ENCL_OFF)
#define LCD_EVENT_IF_POWER_OFF         \
	(LCD_EVENT_SCREEN_BLACK | LCD_EVENT_BL_OFF | LCD_EVENT_IF_OFF)

#define LCD_EVENT_PREPARE              (LCD_EVENT_ENCL_ON)
#define LCD_EVENT_ENABLE               \
	(LCD_EVENT_IF_ON | LCD_EVENT_BL_ON | LCD_EVENT_SCREEN_RESTORE)
#define LCD_EVENT_DISABLE              \
	(LCD_EVENT_SCREEN_BLACK | LCD_EVENT_BL_OFF | LCD_EVENT_IF_OFF)
#define LCD_EVENT_UNPREPARE            (LCD_EVENT_ENCL_OFF)

#define LCD_EVENT_GAMMA_UPDATE         BIT(12)
/* lcd bist pattern test occurred */
#define LCD_EVENT_TEST_PATTERN         BIT(13)

#define LCD_VLOCK_PARAM_NUM            5
#define LCD_VLOCK_PARAM_BIT_UPDATE     BIT(4)
#define LCD_VLOCK_PARAM_BIT_VALID      BIT(0)
#define LCD_EVENT_VLOCK_PARAM          BIT(16)

/* lcd backlight pwm_vs vfreq change occurred */
#define LCD_EVENT_BACKLIGHT_UPDATE     BIT(25)
/* lcd backlight brightness update by global dimming */
#define LCD_EVENT_BACKLIGHT_GD_DIM     BIT(26)
/* lcd backlight brightness on/off by global dimming */
#define LCD_EVENT_BACKLIGHT_GD_SEL     BIT(27)
/* lcd backlight brightness on/off by local dimming */
#define LCD_EVENT_BACKLIGHT_LD_SEL     BIT(28)

/* blocking notify */
int aml_lcd_notifier_register(struct notifier_block *nb);
int aml_lcd_notifier_unregister(struct notifier_block *nb);
int aml_lcd_notifier_call_chain(unsigned long event, void *v);
/* atomic notify */
int aml_lcd_atomic_notifier_register(struct notifier_block *nb);
int aml_lcd_atomic_notifier_unregister(struct notifier_block *nb);
int aml_lcd_atomic_notifier_call_chain(unsigned long event, void *v);

#endif /* _INC_LCD_NOTIFY_H_ */