patch-2.4.22 linux-2.4.22/arch/arm/mach-sa1100/leds-adsbitsyplus.c
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- Lines: 98
- Date:
2003-08-25 04:44:39.000000000 -0700
- Orig file:
linux-2.4.21/arch/arm/mach-sa1100/leds-adsbitsyplus.c
- Orig date:
1969-12-31 16:00:00.000000000 -0800
diff -urN linux-2.4.21/arch/arm/mach-sa1100/leds-adsbitsyplus.c linux-2.4.22/arch/arm/mach-sa1100/leds-adsbitsyplus.c
@@ -0,0 +1,97 @@
+/*
+ * linux/arch/arm/mach-sa1100/leds-adsbitsy.c
+ *
+ * ADS Bitsy LED
+ * 2/7/2003 Robert Whaley
+ * This file comes from leds-adsbitsy.c of Woojung Huh <whuh@applieddata.net>
+ */
+#include <linux/config.h>
+#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;
+
+#define LED_TIMER GPIO_GPIO20 /* green heartbeat */
+
+#define LED_MASK (LED_TIMER)
+
+void adsbitsyplus_leds_event(led_event_t evt)
+{
+ unsigned long flags;
+
+ local_irq_save(flags);
+
+ switch (evt) {
+ case led_start:
+ hw_led_state = 0; /* gc leds are positive logic */
+ 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_MASK;
+ break;
+
+ case led_release:
+ led_state &= ~LED_STATE_CLAIMED;
+ hw_led_state = LED_MASK;
+ break;
+
+#ifdef CONFIG_LEDS_TIMER
+ case led_timer:
+ if (!(led_state & LED_STATE_CLAIMED))
+ hw_led_state ^= LED_TIMER;
+ break;
+#endif
+
+#ifdef CONFIG_LEDS_CPU
+ case led_idle_start:
+ break;
+
+ case led_idle_end:
+ break;
+#endif
+
+ case led_green_on:
+ break;
+
+ case led_green_off:
+ 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) {
+ GPSR = hw_led_state;
+ GPCR = hw_led_state ^ LED_MASK;
+ }
+
+ local_irq_restore(flags);
+}
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