/* | |
* linux/arch/arm/mach-omap1/leds-innovator.c | |
*/ | |
#include <linux/init.h> | |
#include <asm/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; | |
} | |
if (led_state & LED_STATE_ENABLED) | |
; | |
local_irq_restore(flags); | |
} |