blob: cb93fe398f90277294b6aa48fa03b9d898c781d5 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 by Linus Nielsen Feltzing
*
* 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 "cpu.h"
#include <stdbool.h>
#include "adc.h"
#include "kernel.h"
#include "system.h"
#include "power.h"
#include "logf.h"
#include "pcf50605.h"
#include "usb.h"
#include "lcd.h"
void power_init(void)
{
#if defined(IPOD_1G2G) || defined(IPOD_3G)
GPIOC_ENABLE |= 0x40; /* GPIO C6 is HDD power (low active) */
GPIOC_OUTPUT_VAL &= ~0x40; /* on by default */
GPIOC_OUTPUT_EN |= 0x40; /* enable output */
#endif
#ifndef IPOD_1G2G
pcf50605_init();
#endif
}
#if CONFIG_CHARGING
unsigned int power_input_status(void)
{
unsigned int status = POWER_INPUT_NONE;
#if defined(IPOD_NANO) || defined(IPOD_VIDEO)
if ((GPIOL_INPUT_VAL & 0x08) == 0)
status = POWER_INPUT_MAIN_CHARGER;
if ((GPIOL_INPUT_VAL & 0x10) != 0)
status |= POWER_INPUT_USB_CHARGER;
/* */
#elif defined(IPOD_4G) || defined(IPOD_COLOR) \
|| defined(IPOD_MINI) || defined(IPOD_MINI2G)
/* C2 is firewire power */
if ((GPIOC_INPUT_VAL & 0x04) == 0)
status = POWER_INPUT_MAIN_CHARGER;
/* */
#else
/* This needs filling in for other ipods. */
#endif
return status;
}
/* Returns true if the unit is charging the batteries. */
bool charging_state(void) {
return (GPIOB_INPUT_VAL & 0x01)?false:true;
}
#endif /* CONFIG_CHARGING */
void ide_power_enable(bool on)
{
#if defined(IPOD_1G2G) || defined(IPOD_3G)
if (on)
GPIOC_OUTPUT_VAL &= ~0x40;
else
GPIOC_OUTPUT_VAL |= 0x40;
#elif defined(IPOD_4G) || defined(IPOD_COLOR) \
|| defined(IPOD_MINI) || defined(IPOD_MINI2G)
if (on)
{
GPIO_CLEAR_BITWISE(GPIOJ_OUTPUT_VAL, 0x04);
DEV_EN |= DEV_IDE0;
}
else
{
DEV_EN &= ~DEV_IDE0;
GPIO_SET_BITWISE(GPIOJ_OUTPUT_VAL, 0x04);
}
#elif defined(IPOD_VIDEO)
if (on)
{
GPO32_VAL &= ~0x40000000;
DEV_EN |= DEV_IDE0;
}
else
{
DEV_EN &= ~DEV_IDE0;
GPO32_VAL |= 0x40000000;
}
#else /* Nano */
(void)on; /* Do nothing. */
#endif
}
bool ide_powered(void)
{
#if defined(IPOD_1G2G) || defined(IPOD_3G)
return !(GPIOC_OUTPUT_VAL & 0x40);
#elif defined(IPOD_4G) || defined(IPOD_COLOR) \
|| defined(IPOD_MINI) || defined(IPOD_MINI2G)
return !(GPIOJ_OUTPUT_VAL & 0x04);
#elif defined(IPOD_VIDEO)
return !(GPO32_VAL & 0x40000000);
#else /* Nano */
return true; /* Pretend we are always powered */
#endif
}
void power_off(void)
{
#if defined(HAVE_LCD_COLOR)
/* Clear the screen and backdrop to
remove ghosting effect on shutdown */
lcd_set_backdrop(NULL);
lcd_set_background(LCD_WHITE);
lcd_clear_display();
lcd_update();
sleep(HZ/16);
#endif
#ifndef BOOTLOADER
#ifdef IPOD_1G2G
/* we cannot turn off the 1st gen/ 2nd gen yet. Need to figure out sleep mode. */
system_reboot();
#else
/* We don't turn off the ipod, we put it in a deep sleep */
pcf50605_standby_mode();
#endif
#endif
}
|
