100 lines
1.5 KiB
C
100 lines
1.5 KiB
C
|
/*
|
||
|
|
* linux/arch/arm/mach-omap1/leds-innovator.c
|
||
|
|
*/
|
||
|
|
#include <linux/init.h>
|
||
|
|
|
||
|
|
#include <mach/hardware.h>
|
||
|
|
#include <asm/leds.h>
|
||
|
|
#include <asm/system.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;
|
||
|
|
|
||
|
|
void innovator_leds_event(led_event_t evt)
|
||
|
|
{
|
||
|
|
unsigned long flags;
|
||
|
|
|
||
|
|
local_irq_save(flags);
|
||
|
|
|
||
|
|
switch (evt) {
|
||
|
|
case led_start:
|
||
|
|
hw_led_state = 0;
|
||
|
|
led_state = LED_STATE_ENABLED;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case led_stop:
|
||
|
|
led_state &= ~LED_STATE_ENABLED;
|
||
|
|
hw_led_state = 0;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case led_claim:
|
||
|
|
led_state |= LED_STATE_CLAIMED;
|
||
|
|
hw_led_state = 0;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case led_release:
|
||
|
|
led_state &= ~LED_STATE_CLAIMED;
|
||
|
|
hw_led_state = 0;
|
||
|
|
break;
|
||
|
|
|
||
|
|
#ifdef CONFIG_LEDS_TIMER
|
||
|
|
case led_timer:
|
||
|
|
if (!(led_state & LED_STATE_CLAIMED))
|
||
|
|
hw_led_state ^= 0;
|
||
|
|
break;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef CONFIG_LEDS_CPU
|
||
|
|
case led_idle_start:
|
||
|
|
if (!(led_state & LED_STATE_CLAIMED))
|
||
|
|
hw_led_state |= 0;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case led_idle_end:
|
||
|
|
if (!(led_state & LED_STATE_CLAIMED))
|
||
|
|
hw_led_state &= ~0;
|
||
|
|
break;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
case led_halted:
|
||
|
|
break;
|
||
|
|
|
||
|
|
case led_green_on:
|
||
|
|
if (led_state & LED_STATE_CLAIMED)
|
||
|
|
hw_led_state &= ~0;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case led_green_off:
|
||
|
|
if (led_state & LED_STATE_CLAIMED)
|
||
|
|
hw_led_state |= 0;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case led_amber_on:
|
||
|
|
break;
|
||
|
|
|
||
|
|
case led_amber_off:
|
||
|
|
break;
|
||
|
|
|
||
|
|
case led_red_on:
|
||
|
|
if (led_state & LED_STATE_CLAIMED)
|
||
|
|
hw_led_state &= ~0;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case led_red_off:
|
||
|
|
if (led_state & LED_STATE_CLAIMED)
|
||
|
|
hw_led_state |= 0;
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
local_irq_restore(flags);
|
||
|
|
}
|