imx233/fuze+: implement lradc function and adc on top of it

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30534 a1c6a512-1295-4272-9138-f99709370657

firmware/target/arm/imx233/adc-imx233.h

@@ -0,0 +1,38 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2011 by Amaury Pouly
+ *
+ * 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.
+ *
+ ****************************************************************************/
+#ifndef _ADC_IMX233_H_
+#define _ADC_IMX233_H_
+
+#include "system.h"
+#include "lradc-imx233.h"
+#include "adc-imx233.h"
+
+/* Virtual channels */
+#define IMX233_ADC_BATTERY      -1 /* Battery voltage (mV) */
+#define IMX233_ADC_DIE_TEMP     -2 /* Die temperature (°C) */
+#define IMX233_ADC_VDDIO        -3 /* VddIO voltage (mV) */
+
+/* Channel mapping */
+extern int imx233_adc_mapping[];
+/* Channel names */
+extern const char *imx233_adc_channel_name[];
+
+#endif