1 files changed, 72 insertions, 0 deletions

diff --git a/firmware/target/arm/philips/hdd6330/powermgmt-hdd6330.c b/firmware/target/arm/philips/hdd6330/powermgmt-hdd6330.c
new file mode 100644
index 0000000000..33bbb6af48
--- /dev/null
+++ b/firmware/target/arm/philips/hdd6330/powermgmt-hdd6330.c
@@ -0,0 +1,72 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2002 by Heikki Hannikainen, Uwe Freese
+ * Revisions copyright (C) 2005 by Gerald Van Baren
+ *
+ * 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 "adc.h"
+#include "powermgmt.h"
+
+#define SMLAL(lo, hi, x, y)              \
+    asm volatile ("smlal %0, %1, %2, %3" \
+         : "+r" (lo), "+r" (hi)              \
+         : "%r" (x), "r" (y))
+
+const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT] =
+{
+    3550
+};
+
+const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] =
+{
+    3500
+};
+
+/* voltages (millivolt) of 0%, 10%, ... 100% when charging disabled */
+const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] =
+{
+    { 3480, 3550, 3590, 3610, 3630, 3650, 3700, 3760, 3800, 3910, 3990 },
+};
+
+#if CONFIG_CHARGING
+/* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */
+const unsigned short percent_to_volt_charge[11] =
+{
+    3480, 3550, 3590, 3610, 3630, 3650, 3700, 3760, 3800, 3910, 3990
+};
+#endif /* CONFIG_CHARGING */
+
+#define BATTERY_SCALE_FACTOR 4200
+/* full-scale ADC readout (2^10) in millivolt */
+
+/* Returns battery voltage from ADC [millivolts] */
+unsigned int battery_adc_voltage(void)
+{
+    /* return (adc_read(ADC_UNREG_POWER) * BATTERY_SCALE_FACTOR) >> 10; */
+
+    /* This may be overly complicated (pulled from the OF) */
+    int lo = 0;
+    int val = adc_read(ADC_UNREG_POWER) * BATTERY_SCALE_FACTOR;
+
+    SMLAL(lo, val, 0x8a42f871, val);
+    val>>= 9;
+    val -= (val >> 31);
+    return val;
+}