summaryrefslogtreecommitdiffstats
path: root/firmware/target/arm/olympus/mrobe-100/powermgmt-mr100.c
diff options
context:
space:
mode:
Diffstat (limited to 'firmware/target/arm/olympus/mrobe-100/powermgmt-mr100.c')
-rw-r--r--firmware/target/arm/olympus/mrobe-100/powermgmt-mr100.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/firmware/target/arm/olympus/mrobe-100/powermgmt-mr100.c b/firmware/target/arm/olympus/mrobe-100/powermgmt-mr100.c
new file mode 100644
index 0000000000..1b6a52f517
--- /dev/null
+++ b/firmware/target/arm/olympus/mrobe-100/powermgmt-mr100.c
@@ -0,0 +1,59 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ * $Id$
+ *
+ * Copyright (C) 2002 by Heikki Hannikainen, Uwe Freese
+ * Revisions copyright (C) 2005 by Gerald Van Baren
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * 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"
+
+/* FIXME: All voltages copied from H10/Tatung Elio. This will need changing
+ proper power management. */
+
+const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT] =
+{
+ 3760
+};
+
+const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] =
+{
+ 3650
+};
+
+/* voltages (millivolt) of 0%, 10%, ... 100% when charging disabled */
+const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] =
+{
+ { 3760, 3800, 3850, 3870, 3900, 3950, 4020, 4070, 4110, 4180, 4240 }
+};
+
+#if CONFIG_CHARGING
+/* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */
+const unsigned short percent_to_volt_charge[11] =
+{
+ 3990, 4030, 4060, 4080, 4100, 4120, 4150, 4180, 4220, 4260, 4310
+};
+#endif /* CONFIG_CHARGING */
+
+#define BATTERY_SCALE_FACTOR 4650
+/* 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;
+}