diff options
Diffstat (limited to 'firmware/target/arm/tatung')
-rw-r--r-- | firmware/target/arm/tatung/tpj1022/powermgmt-tpj1022.c | 60 |
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 | |||
29 | const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT] = | ||
30 | { | ||
31 | 3760 | ||
32 | }; | ||
33 | |||
34 | const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] = | ||
35 | { | ||
36 | 3650 | ||
37 | }; | ||
38 | |||
39 | /* voltages (millivolt) of 0%, 10%, ... 100% when charging disabled */ | ||
40 | const 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 */ | ||
47 | const 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] */ | ||
57 | unsigned int battery_adc_voltage(void) | ||
58 | { | ||
59 | return (adc_read(ADC_UNREG_POWER) * BATTERY_SCALE_FACTOR) >> 10; | ||
60 | } | ||