diff options
Diffstat (limited to 'firmware/target/arm/s3c2440/mini2440/powermgmt-mini2440.c')
-rw-r--r-- | firmware/target/arm/s3c2440/mini2440/powermgmt-mini2440.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/firmware/target/arm/s3c2440/mini2440/powermgmt-mini2440.c b/firmware/target/arm/s3c2440/mini2440/powermgmt-mini2440.c new file mode 100644 index 0000000000..5584993040 --- /dev/null +++ b/firmware/target/arm/s3c2440/mini2440/powermgmt-mini2440.c | |||
@@ -0,0 +1,69 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2009 by Bob Cousins | ||
11 | * | ||
12 | * This program is free software; you can redistribute it and/or | ||
13 | * modify it under the terms of the GNU General Public License | ||
14 | * as published by the Free Software Foundation; either version 2 | ||
15 | * of the License, or (at your option) any later version. | ||
16 | * | ||
17 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
18 | * KIND, either express or implied. | ||
19 | * | ||
20 | ****************************************************************************/ | ||
21 | #include "config.h" | ||
22 | #include "system.h" | ||
23 | #include "adc.h" | ||
24 | #include "power.h" | ||
25 | #include "powermgmt.h" | ||
26 | |||
27 | /* The following constants are dummy values since there is no battery */ | ||
28 | const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT] = | ||
29 | { | ||
30 | 3450 | ||
31 | }; | ||
32 | |||
33 | const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] = | ||
34 | { | ||
35 | 3400 | ||
36 | }; | ||
37 | |||
38 | /* voltages (millivolt) of 0%, 10%, ... 100% when charging disabled */ | ||
39 | const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] = | ||
40 | { | ||
41 | /* Typical Li Ion 830mAH */ | ||
42 | { 3480, 3550, 3590, 3610, 3630, 3650, 3700, 3760, 3800, 3910, 3990 }, | ||
43 | }; | ||
44 | |||
45 | /* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */ | ||
46 | const unsigned short percent_to_volt_charge[11] = | ||
47 | { | ||
48 | /* Typical Li Ion 830mAH */ | ||
49 | 3480, 3550, 3590, 3610, 3630, 3650, 3700, 3760, 3800, 3910, 3990 | ||
50 | }; | ||
51 | |||
52 | |||
53 | /* Returns battery voltage from ADC [millivolts] */ | ||
54 | /* full-scale (2^10) in millivolt */ | ||
55 | unsigned int battery_adc_voltage(void) | ||
56 | { | ||
57 | /* Since we have no battery, return a fully charged value */ | ||
58 | return 4000 * 1024 / 1000; | ||
59 | } | ||
60 | |||
61 | unsigned int input_millivolts(void) | ||
62 | { | ||
63 | unsigned int batt_millivolts = battery_voltage(); | ||
64 | |||
65 | /* No battery, return nominal value */ | ||
66 | return batt_millivolts; | ||
67 | } | ||
68 | |||
69 | |||