This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / arch / arm / mach-pxa / leds-trizeps4.c

diff --git a/arch/arm/mach-pxa/leds-trizeps4.c b/arch/arm/mach-pxa/leds-trizeps4.c
new file mode 100644 (file)
index 0000000..2271d20
--- /dev/null
+++ b/arch/arm/mach-pxa/leds-trizeps4.c
@@ -0,0 +1,133 @@
+/*
+ * linux/arch/arm/mach-pxa/leds-trizeps4.c
+ *
+ *  Author:    Jürgen Schindele
+ *  Created:   20 02, 2006
+ *  Copyright: Jürgen Schindele
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+
+#include <asm/hardware.h>
+#include <asm/system.h>
+#include <asm/types.h>
+#include <asm/leds.h>
+
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/trizeps4.h>
+
+#include "leds.h"
+
+#define LED_STATE_ENABLED      1
+#define LED_STATE_CLAIMED      2
+
+#define SYS_BUSY               0x01
+#define HEARTBEAT              0x02
+#define BLINK                  0x04
+
+static unsigned int led_state;
+static unsigned int hw_led_state;
+
+void trizeps4_leds_event(led_event_t evt)
+{
+       unsigned long flags;
+
+       local_irq_save(flags);
+
+       switch (evt) {
+       case led_start:
+               hw_led_state = 0;
+               pxa_gpio_mode( GPIO_SYS_BUSY_LED  | GPIO_OUT);          /* LED1 */
+               pxa_gpio_mode( GPIO_HEARTBEAT_LED | GPIO_OUT);          /* LED2 */
+               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 = 0;
+               break;
+
+       case led_release:
+               led_state &= ~LED_STATE_CLAIMED;
+               hw_led_state = 0;
+               break;
+
+#ifdef CONFIG_LEDS_TIMER
+       case led_timer:
+               hw_led_state ^= HEARTBEAT;
+               break;
+#endif
+
+#ifdef CONFIG_LEDS_CPU
+       case led_idle_start:
+               hw_led_state &= ~SYS_BUSY;
+               break;
+
+       case led_idle_end:
+               hw_led_state |= SYS_BUSY;
+               break;
+#endif
+
+       case led_halted:
+               break;
+
+       case led_green_on:
+               hw_led_state |= BLINK;
+               break;
+
+       case led_green_off:
+               hw_led_state &= ~BLINK;
+               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) {
+               switch (hw_led_state) {
+                       case 0:
+                               GPSR(GPIO_SYS_BUSY_LED)  |= GPIO_bit(GPIO_SYS_BUSY_LED);
+                               GPSR(GPIO_HEARTBEAT_LED) |= GPIO_bit(GPIO_HEARTBEAT_LED);
+                               break;
+                       case 1:
+                               GPCR(GPIO_SYS_BUSY_LED)  |= GPIO_bit(GPIO_SYS_BUSY_LED);
+                               GPSR(GPIO_HEARTBEAT_LED) |= GPIO_bit(GPIO_HEARTBEAT_LED);
+                               break;
+                       case 2:
+                               GPSR(GPIO_SYS_BUSY_LED)  |= GPIO_bit(GPIO_SYS_BUSY_LED);
+                               GPCR(GPIO_HEARTBEAT_LED) |= GPIO_bit(GPIO_HEARTBEAT_LED);
+                               break;
+                       case 3:
+                               GPCR(GPIO_SYS_BUSY_LED)  |= GPIO_bit(GPIO_SYS_BUSY_LED);
+                               GPCR(GPIO_HEARTBEAT_LED) |= GPIO_bit(GPIO_HEARTBEAT_LED);
+                               break;
+               }
+       }
+       else {
+               /* turn all off */
+               GPSR(GPIO_SYS_BUSY_LED)  |= GPIO_bit(GPIO_SYS_BUSY_LED);
+               GPSR(GPIO_HEARTBEAT_LED) |= GPIO_bit(GPIO_HEARTBEAT_LED);
+       }
+
+       local_irq_restore(flags);
+}