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/*
* linux/arch/arm/mach-sa1100/leds-simpad.c
*
* Author: Juergen Messerer <juergen.messerer@siemens.ch>
*/
#include <linux/init.h>
#include <asm/arch/hardware.h>
#include <asm/leds.h>
#include <asm/system.h>
#include <asm/arch/simpad.h>
#include "leds.h"
#define LED_STATE_ENABLED 1
#define LED_STATE_CLAIMED 2
static unsigned int led_state;
static unsigned int hw_led_state;
#define LED_GREEN (1)
#define LED_MASK (1)
extern void set_cs3_bit(int value);
extern void clear_cs3_bit(int value);
void simpad_leds_event(led_event_t evt)
{
switch (evt)
{
case led_start:
hw_led_state = LED_GREEN;
led_state = LED_STATE_ENABLED;
break;
case led_stop:
led_state &= ~LED_STATE_ENABLED;
break;
case led_claim:
led_state |= LED_STATE_CLAIMED;
hw_led_state = LED_GREEN;
break;
case led_release:
led_state &= ~LED_STATE_CLAIMED;
hw_led_state = LED_GREEN;
break;
#ifdef CONFIG_LEDS_TIMER
case led_timer:
if (!(led_state & LED_STATE_CLAIMED))
hw_led_state ^= LED_GREEN;
break;
#endif
#ifdef CONFIG_LEDS_CPU
case led_idle_start:
break;
case led_idle_end:
break;
#endif
case led_halted:
break;
case led_green_on:
if (led_state & LED_STATE_CLAIMED)
hw_led_state |= LED_GREEN;
break;
case led_green_off:
if (led_state & LED_STATE_CLAIMED)
hw_led_state &= ~LED_GREEN;
break;
case led_amber_on:
break;
case led_amber_off:
break;
case led_red_on:
break;
case led_red_off:
break;
default:
break;
}
if (led_state & LED_STATE_ENABLED)
set_cs3_bit(LED2_ON);
else
clear_cs3_bit(LED2_ON);
}
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