diff options
Diffstat (limited to 'arch/arm/mach-footbridge/ebsa285-leds.c')
-rw-r--r-- | arch/arm/mach-footbridge/ebsa285-leds.c | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/arch/arm/mach-footbridge/ebsa285-leds.c b/arch/arm/mach-footbridge/ebsa285-leds.c deleted file mode 100644 index 5bd2667..0000000 --- a/arch/arm/mach-footbridge/ebsa285-leds.c +++ /dev/null @@ -1,138 +0,0 @@ -/* - * linux/arch/arm/mach-footbridge/ebsa285-leds.c - * - * Copyright (C) 1998-1999 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * EBSA-285 control routines. - * - * The EBSA-285 uses the leds as follows: - * - Green - toggles state every 50 timer interrupts - * - Amber - On if system is not idle - * - Red - currently unused - * - * Changelog: - * 02-05-1999 RMK Various cleanups - */ -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/spinlock.h> - -#include <mach/hardware.h> -#include <asm/leds.h> -#include <asm/mach-types.h> - -#define LED_STATE_ENABLED 1 -#define LED_STATE_CLAIMED 2 -static char led_state; -static char hw_led_state; - -static DEFINE_SPINLOCK(leds_lock); - -static void ebsa285_leds_event(led_event_t evt) -{ - unsigned long flags; - - spin_lock_irqsave(&leds_lock, flags); - - switch (evt) { - case led_start: - hw_led_state = XBUS_LED_RED | XBUS_LED_GREEN; -#ifndef CONFIG_LEDS_CPU - hw_led_state |= XBUS_LED_AMBER; -#endif - 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 = XBUS_LED_RED | XBUS_LED_GREEN | XBUS_LED_AMBER; - break; - - case led_release: - led_state &= ~LED_STATE_CLAIMED; - hw_led_state = XBUS_LED_RED | XBUS_LED_GREEN | XBUS_LED_AMBER; - break; - -#ifdef CONFIG_LEDS_TIMER - case led_timer: - if (!(led_state & LED_STATE_CLAIMED)) - hw_led_state ^= XBUS_LED_GREEN; - break; -#endif - -#ifdef CONFIG_LEDS_CPU - case led_idle_start: - if (!(led_state & LED_STATE_CLAIMED)) - hw_led_state |= XBUS_LED_AMBER; - break; - - case led_idle_end: - if (!(led_state & LED_STATE_CLAIMED)) - hw_led_state &= ~XBUS_LED_AMBER; - break; -#endif - - case led_halted: - if (!(led_state & LED_STATE_CLAIMED)) - hw_led_state &= ~XBUS_LED_RED; - break; - - case led_green_on: - if (led_state & LED_STATE_CLAIMED) - hw_led_state &= ~XBUS_LED_GREEN; - break; - - case led_green_off: - if (led_state & LED_STATE_CLAIMED) - hw_led_state |= XBUS_LED_GREEN; - break; - - case led_amber_on: - if (led_state & LED_STATE_CLAIMED) - hw_led_state &= ~XBUS_LED_AMBER; - break; - - case led_amber_off: - if (led_state & LED_STATE_CLAIMED) - hw_led_state |= XBUS_LED_AMBER; - break; - - case led_red_on: - if (led_state & LED_STATE_CLAIMED) - hw_led_state &= ~XBUS_LED_RED; - break; - - case led_red_off: - if (led_state & LED_STATE_CLAIMED) - hw_led_state |= XBUS_LED_RED; - break; - - default: - break; - } - - if (led_state & LED_STATE_ENABLED) - *XBUS_LEDS = hw_led_state; - - spin_unlock_irqrestore(&leds_lock, flags); -} - -static int __init leds_init(void) -{ - if (machine_is_ebsa285()) - leds_event = ebsa285_leds_event; - - leds_event(led_start); - - return 0; -} - -__initcall(leds_init); |