/*
 * linux/arch/arm/mach-omap1/leds-h2p2-debug.c
 *
 * Copyright 2003 by Texas Instruments Incorporated
 *
 * There are 16 LEDs on the debug board (all green); four may be used
 * for logical 'green', 'amber', 'red', and 'blue' (after "claiming").
 *
 * The "surfer" expansion board and H2 sample board also have two-color
 * green+red LEDs (in parallel), used here for timer and idle indicators.
 */
#include <linux/init.h>
#include <linux/kernel_stat.h>
#include <linux/sched.h>

#include <asm/io.h>
#include <asm/hardware.h>
#include <asm/leds.h>
#include <asm/system.h>
#include <asm/mach-types.h>

#include <asm/arch/regs-gpio.h>

#include "leds.h"

#define LED0	S3C_GPN12
#define LED1	S3C_GPN13
#define LED2	S3C_GPN14
#define LED3	S3C_GPN15

#define LED_STATE_ENABLED	1<<0
#define LED_STATE_CLAIMED	1<<1
#define LED_TIMER_ON		1<<2
#define LED_IDLE		1<<3


void smdk6400_leds_event(led_event_t evt)
{
	unsigned long flags;

	static u16 led_state, hw_led_state;

	local_irq_save(flags);

	if (!(led_state & LED_STATE_ENABLED) && evt != led_start)
		goto done;

	switch (evt) {
	case led_start:
		led_state |= LED_STATE_ENABLED;
		break;

	case led_stop:
	case led_halted:
		/* all leds off during suspend or shutdown */
		led_state &= ~LED_STATE_ENABLED;
		break;

	case led_claim:
		led_state |= LED_STATE_CLAIMED;
		hw_led_state = 0;
		break;

	case led_release:
		led_state &= ~LED_STATE_CLAIMED;
		break;

#ifdef CONFIG_LEDS_TIMER
	case led_timer:
		led_state ^= LED_TIMER_ON;

		if (led_state & LED_TIMER_ON)
			s3c_gpio_setpin(LED0, 1);
		else {
			s3c_gpio_setpin(LED0, 0);
		}

		break;
#endif

#ifdef CONFIG_LEDS_CPU
	case led_idle_start:
		s3c_gpio_setpin(LED1, 1);
		break;

	case led_idle_end:
		s3c_gpio_setpin(LED1, 0);
		break;
#endif

	case led_green_on:
		break;
	case led_green_off:
		break;

	case led_amber_on:
		break;
	case led_amber_off:
		break;

	case led_red_on:
		break;
	case led_red_off:
		break;

	case led_blue_on:
		break;
	case led_blue_off:
		break;

	default:
		break;
	}

done:
	local_irq_restore(flags);
}