#include "r2d/lcds/luna/r2d_luna_lcd.h"
#include "main/sys_types.h"
#include "armio.h"

static void lcd_suspend(void)
{
	if (r2d_lcd_hw_suspend)
		return;		/* already in suspend */
	r2d_lcd_hw_suspend = 1;
	LCD_REG_WR(0x0007, 0);			/* display off */
	rvf_delay(RVF_MS_TO_TICKS(50));
	LCD_REG_WR(0x0010, 1);			/* suspend mode */
	ABB_sleep_allowed = 1;
}

static void lcd_resume(void)
{
	if (!r2d_lcd_hw_suspend)
		return;		/* already on */
	ABB_sleep_allowed = 0;
	LCD_REG_WR(0x0010, 0);			/* out of suspend */
	rvf_delay(RVF_MS_TO_TICKS(50));
	LCD_REG_WR(0x0007, 0x1017);		/* display on */
	r2d_lcd_hw_suspend = 0;
	r2d_refresh();
}

static void r2d_onoff_action(enum blrr_display_state set_state)
{
	UBYTE on_off;

	/*
	 * PWL control: on our current Luna setups (Caramel2 or iWOW DSK)
	 * PWL is only an indicator LED for developers.  We use this PWL
	 * indicator to show the state of "virtual dimming", as there is
	 * no physical LCD backlight dimming control on Luna.
	 */
	switch (set_state) {
	case BLRR_DISPLAY_OFF:
		*(volatile SYS_UWORD8 *)0xFFFE8000 = 0;
		*(volatile SYS_UWORD8 *)0xFFFE8001 = 0;
		on_off = 0;
		break;
	case BLRR_DISPLAY_ON:
		*(volatile SYS_UWORD8 *)0xFFFE8000 = 255;
		*(volatile SYS_UWORD8 *)0xFFFE8001 = 1;
		on_off = 1;
		break;
	case BLRR_DISPLAY_INCALL:
		*(volatile SYS_UWORD8 *)0xFFFE8000 = 16;
		*(volatile SYS_UWORD8 *)0xFFFE8001 = 1;
		on_off = 1;
		break;
	case BLRR_DISPLAY_CHG_BOOT:
		*(volatile SYS_UWORD8 *)0xFFFE8000 = 64;
		*(volatile SYS_UWORD8 *)0xFFFE8001 = 1;
		on_off = 1;
		break;
	default:
		return;		/* error, but we are a void function */
	}
	/* physical LCD and backlight on/off */
	if (on_off) {
		lcd_resume();
		AI_SetBit(9);
	} else {
		AI_ResetBit(9);
		lcd_suspend();
	}
}