patch-2.4.9 linux/arch/arm/mach-sa1100/leds-pfs168.c

• Lines: 100
• Date: Sun Aug 12 11:13:59 2001
• Orig file: v2.4.8/linux/arch/arm/mach-sa1100/leds-pfs168.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.8/linux/arch/arm/mach-sa1100/leds-pfs168.c linux/arch/arm/mach-sa1100/leds-pfs168.c
@@ -0,0 +1,99 @@
+/*
+ * linux/arch/arm/mach-sa1100/leds-pfs168.c
+ *
+ * Author: George Davis <davis_g@mvista.com>
+ */
+#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_GREEN	(1)
+#define	LED_MASK	(1)
+
+void pfs168_leds_event(led_event_t evt)
+{
+	unsigned long flags;
+
+	local_irq_save(flags);
+
+	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)
+		PFS168_SYSLED = (PFS168_SYSLED & ~LED_MASK) | hw_led_state;
+
+	local_irq_restore(flags);
+}