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-rw-r--r--firmware/target/arm/tatung/tpj1022/powermgmt-tpj1022.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/firmware/target/arm/tatung/tpj1022/powermgmt-tpj1022.c b/firmware/target/arm/tatung/tpj1022/powermgmt-tpj1022.c
new file mode 100644
index 0000000000..a50932dd92
--- /dev/null
+++ b/firmware/target/arm/tatung/tpj1022/powermgmt-tpj1022.c
@@ -0,0 +1,60 @@
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2002 by Heikki Hannikainen, Uwe Freese
11 * Revisions copyright (C) 2005 by Gerald Van Baren
12 *
13 * All files in this archive are subject to the GNU General Public License.
14 * See the file COPYING in the source tree root for full license agreement.
15 *
16 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
17 * KIND, either express or implied.
18 *
19 ****************************************************************************/
20
21#include "config.h"
22#include "adc.h"
23#include "powermgmt.h"
24
25/* FIXME: All voltages copied from H10 according to the battery type given
26 * in config-tpj1022.h at the time of splitting. This probably needs changing
27 * if that port ever gets up to speed. */
28
29const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT] =
30{
31 3760
32};
33
34const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] =
35{
36 3650
37};
38
39/* voltages (millivolt) of 0%, 10%, ... 100% when charging disabled */
40const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] =
41{
42 { 3760, 3800, 3850, 3870, 3900, 3950, 4020, 4070, 4110, 4180, 4240 }
43};
44
45#if CONFIG_CHARGING
46/* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */
47const unsigned short percent_to_volt_charge[11] =
48{
49 3990, 4030, 4060, 4080, 4100, 4120, 4150, 4180, 4220, 4260, 4310
50};
51#endif /* CONFIG_CHARGING */
52
53#define BATTERY_SCALE_FACTOR 6000
54/* full-scale ADC readout (2^10) in millivolt */
55
56/* Returns battery voltage from ADC [millivolts] */
57unsigned int battery_adc_voltage(void)
58{
59 return (adc_read(ADC_UNREG_POWER) * BATTERY_SCALE_FACTOR) >> 10;
60}