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-rw-r--r--board/logicpd/zoom2/led.c129
1 files changed, 129 insertions, 0 deletions
diff --git a/board/logicpd/zoom2/led.c b/board/logicpd/zoom2/led.c
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+++ b/board/logicpd/zoom2/led.c
@@ -0,0 +1,129 @@
+/*
+ * Copyright (c) 2009 Wind River Systems, Inc.
+ * Tom Rix <Tom.Rix@windriver.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#include <common.h>
+#include <status_led.h>
+#include <asm/arch/cpu.h>
+#include <asm/io.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/gpio.h>
+
+static unsigned int saved_state[2] = {STATUS_LED_OFF, STATUS_LED_OFF};
+
+/*
+ * GPIO LEDs
+ * 173 red
+ * 154 blue
+ * 61 blue2
+ */
+#define ZOOM2_LED_RED 173
+#define ZOOM2_LED_BLUE 154
+#define ZOOM2_LED_BLUE2 61
+
+void red_LED_off (void)
+{
+ /* red */
+ if (!omap_request_gpio(ZOOM2_LED_RED)) {
+ omap_set_gpio_direction(ZOOM2_LED_RED, 0);
+ omap_set_gpio_dataout(ZOOM2_LED_RED, 0);
+ }
+ saved_state[STATUS_LED_RED] = STATUS_LED_OFF;
+}
+
+void blue_LED_off (void)
+{
+ /* blue */
+ if (!omap_request_gpio(ZOOM2_LED_BLUE)) {
+ omap_set_gpio_direction(ZOOM2_LED_BLUE, 0);
+ omap_set_gpio_dataout(ZOOM2_LED_BLUE, 0);
+ }
+
+ /* blue 2 */
+ if (!omap_request_gpio(ZOOM2_LED_BLUE2)) {
+ omap_set_gpio_direction(ZOOM2_LED_BLUE2, 0);
+ omap_set_gpio_dataout(ZOOM2_LED_BLUE2, 0);
+ }
+ saved_state[STATUS_LED_BLUE] = STATUS_LED_OFF;
+}
+
+void red_LED_on (void)
+{
+ blue_LED_off ();
+
+ /* red */
+ if (!omap_request_gpio(ZOOM2_LED_RED)) {
+ omap_set_gpio_direction(ZOOM2_LED_RED, 0);
+ omap_set_gpio_dataout(ZOOM2_LED_RED, 1);
+ }
+ saved_state[STATUS_LED_RED] = STATUS_LED_ON;
+}
+
+void blue_LED_on (void)
+{
+ red_LED_off ();
+
+ /* blue */
+ if (!omap_request_gpio(ZOOM2_LED_BLUE)) {
+ omap_set_gpio_direction(ZOOM2_LED_BLUE, 0);
+ omap_set_gpio_dataout(ZOOM2_LED_BLUE, 1);
+ }
+
+ /* blue 2 */
+ if (!omap_request_gpio(ZOOM2_LED_BLUE2)) {
+ omap_set_gpio_direction(ZOOM2_LED_BLUE2, 0);
+ omap_set_gpio_dataout(ZOOM2_LED_BLUE2, 1);
+ }
+
+ saved_state[STATUS_LED_BLUE] = STATUS_LED_ON;
+}
+
+void __led_init (led_id_t mask, int state)
+{
+ __led_set (mask, state);
+}
+
+void __led_toggle (led_id_t mask)
+{
+ if (STATUS_LED_BLUE == mask) {
+ if (STATUS_LED_ON == saved_state[STATUS_LED_BLUE])
+ blue_LED_off ();
+ else
+ blue_LED_on ();
+ } else if (STATUS_LED_RED == mask) {
+ if (STATUS_LED_ON == saved_state[STATUS_LED_RED])
+ red_LED_off ();
+ else
+ red_LED_on ();
+ }
+}
+
+void __led_set (led_id_t mask, int state)
+{
+ if (STATUS_LED_BLUE == mask) {
+ if (STATUS_LED_ON == state)
+ blue_LED_on ();
+ else
+ blue_LED_off ();
+ } else if (STATUS_LED_RED == mask) {
+ if (STATUS_LED_ON == state)
+ red_LED_on ();
+ else
+ red_LED_off ();
+ }
+}