2 * linux/arch/arm/mach-pxa/leds-lubbock.c
4 * Copyright (C) 2000 John Dorsey <john+@cs.cmu.edu>
6 * Copyright (c) 2001 Jeff Sutherland <jeffs@accelent.com>
8 * Original (leds-footbridge.c) by Russell King
10 * Major surgery on April 2004 by Nicolas Pitre for less global
11 * namespace collision. Mostly adapted the Mainstone version.
14 #include <linux/config.h>
15 #include <linux/init.h>
17 #include <asm/hardware.h>
19 #include <asm/system.h>
24 * 8 discrete leds available for general use:
26 * Note: bits [15-8] are used to enable/blank the 8 7 segment hex displays
27 * so be sure to not monkey with them here.
39 #define LED_STATE_ENABLED 1
40 #define LED_STATE_CLAIMED 2
42 static unsigned int led_state;
43 static unsigned int hw_led_state;
45 void lubbock_leds_event(led_event_t evt)
49 local_irq_save(flags);
54 led_state = LED_STATE_ENABLED;
58 led_state &= ~LED_STATE_ENABLED;
62 led_state |= LED_STATE_CLAIMED;
67 led_state &= ~LED_STATE_CLAIMED;
71 #ifdef CONFIG_LEDS_TIMER
77 #ifdef CONFIG_LEDS_CPU
103 hw_led_state &= ~D22;
107 hw_led_state |= D23;;
111 hw_led_state &= ~D23;
118 if (led_state & LED_STATE_ENABLED)
119 LUB_DISC_BLNK_LED = (LUB_DISC_BLNK_LED | 0xff) & ~hw_led_state;
121 LUB_DISC_BLNK_LED |= 0xff;
123 local_irq_restore(flags);