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-rw-r--r--arch/arm/mach-sa1100/leds-simpad.c101
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);
+}
+
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