Add cleaned-up xDuoo X3 support

Cleaned up, rebased, and forward-ported from the xvortex fork.

(original credit to vsoftster@gmail.com)

Change-Id: Ibcc023a0271ea81e901450a88317708c2683236d
Signed-off-by: Solomon Peachy <pizza@shaftnet.org>

1 files changed, 46 insertions, 0 deletions

diff --git a/firmware/target/mips/ingenic_jz47xx/xduoo_x3/power-xduoo_x3.c b/firmware/target/mips/ingenic_jz47xx/xduoo_x3/power-xduoo_x3.c
new file mode 100644
index 0000000000..9ae602ba56
--- /dev/null
+++ b/firmware/target/mips/ingenic_jz47xx/xduoo_x3/power-xduoo_x3.c
@@ -0,0 +1,46 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2016 by Roman Stolyarov
+ *
+ * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#include "config.h"
+#include "power.h"
+#include "cpu.h"
+
+#define CHARGE_STAT_GPIO (32*1+6) /* STAT port */
+
+/* Detect which power sources are present. */
+unsigned int power_input_status(void)
+{
+    if(!__gpio_get_pin(CHARGE_STAT_GPIO))
+        return POWER_INPUT_USB_CHARGER;
+
+    return POWER_INPUT_NONE;
+}
+
+void power_init(void)
+{
+    __gpio_as_input(CHARGE_STAT_GPIO);
+    __gpio_disable_pull(CHARGE_STAT_GPIO);
+}
+
+bool charging_state(void)
+{
+    return (power_input_status() == POWER_INPUT_USB_CHARGER);
+}