1 files changed, 101 insertions, 0 deletions

diff --git a/arch/arm/mach-sa1100/leds-simpad.c b/arch/arm/mach-sa1100/leds-simpad.c
new file mode 100644
index 000000000000..6a27a2d32206
--- /dev/null
+++ b/arch/arm/mach-sa1100/leds-simpad.c
@@ -0,0 +1,101 @@
+/*
+ * linux/arch/arm/mach-sa1100/leds-simpad.c
+ *
+ * Author: Juergen Messerer <juergen.messerer@siemens.ch>
+ */
+#include <linux/config.h>
+#include <linux/init.h>
+
+#include <asm/hardware.h>
+#include <asm/leds.h>
+#include <asm/system.h>
+#include <asm/arch/simpad.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_GREEN       (1)
+#define LED_MASK        (1)
+
+extern void set_cs3_bit(int value);
+extern void clear_cs3_bit(int value);     
+
+void simpad_leds_event(led_event_t evt)
+{
+        switch (evt)
+        {
+        case led_start:
+                hw_led_state = LED_GREEN;
+                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_GREEN;
+                break;
+
+        case led_release:
+                led_state &= ~LED_STATE_CLAIMED;
+                hw_led_state = LED_GREEN;
+                break;
+
+#ifdef CONFIG_LEDS_TIMER
+        case led_timer:
+                if (!(led_state & LED_STATE_CLAIMED))
+                        hw_led_state ^= LED_GREEN;
+                break;
+#endif
+
+#ifdef CONFIG_LEDS_CPU
+        case led_idle_start:
+                break;
+
+        case led_idle_end:
+                break;
+#endif
+
+        case led_halted:
+                break;
+
+        case led_green_on:
+                if (led_state & LED_STATE_CLAIMED)
+                        hw_led_state |= LED_GREEN;
+                break;
+
+        case led_green_off:
+                if (led_state & LED_STATE_CLAIMED)
+                        hw_led_state &= ~LED_GREEN;
+                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)
+                set_cs3_bit(LED2_ON);
+        else 
+                clear_cs3_bit(LED2_ON);
+}
+