blob: 47c120715e73a49e130c9152021666097f530006 (
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
|
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 by Linus Nielsen Feltzing
*
* iPod driver based on code from the ipodlinux project - http://ipodlinux.org
* Adapted for Rockbox in January 2006
* Original file: podzilla/usb.c
* Copyright (C) 2005 Adam Johnston
*
* 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 "system.h"
#include "usb.h"
#include "button.h"
#include "ata.h"
#include "string.h"
#include "usb_core.h"
#include "usb_drv.h"
void usb_init_device(void)
{
/* enable usb module */
outl(inl(0x7000002C) | 0x3000000, 0x7000002C);
DEV_EN |= DEV_USB0;
DEV_EN |= DEV_USB1;
/* reset both USBs */
DEV_RS |= DEV_USB0;
DEV_RS &=~DEV_USB0;
DEV_RS |= DEV_USB1;
DEV_RS &=~DEV_USB1;
DEV_INIT2 |= INIT_USB;
while ((inl(0x70000028) & 0x80) == 0);
outl(inl(0x70000028) | 0x2, 0x70000028);
udelay(100000);
/* disable USB-devices until USB is detected via GPIO */
#ifndef BOOTLOADER
/* Disabling USB0 in the bootloader makes the OF not load,
Also something here breaks usb pin detect in bootloader.
leave it all enabled untill rockbox main loads */
DEV_EN &= ~DEV_USB0;
DEV_EN &= ~DEV_USB1;
DEV_INIT2 &= ~INIT_USB;
#endif
#if defined(IPOD_COLOR) || defined(IPOD_4G) \
|| defined(IPOD_MINI) || defined(IPOD_MINI2G)
/* GPIO C bit 1 is firewire detect */
GPIOC_ENABLE |= 0x02;
GPIOC_OUTPUT_EN &= ~0x02;
#endif
}
void usb_enable(bool on)
{
if (on) {
/* if USB is detected, re-enable the USB-devices, otherwise make sure it's disabled */
DEV_EN |= DEV_USB0;
DEV_EN |= DEV_USB1;
DEV_INIT2 |= INIT_USB;
usb_core_init();
}
else {
usb_core_exit();
/* Disable USB devices */
DEV_EN &=~ DEV_USB0;
DEV_EN &=~ DEV_USB1;
DEV_INIT2 &=~ INIT_USB;
}
}
static bool usb_pin_detect(void)
{
bool retval = false;
#if defined(IPOD_4G) || defined(IPOD_COLOR) \
|| defined(IPOD_MINI) || defined(IPOD_MINI2G)
/* GPIO D bit 3 is usb detect */
if (GPIOD_INPUT_VAL & 0x08)
retval = true;
#elif defined(IPOD_NANO) || defined(IPOD_VIDEO)
/* GPIO L bit 4 is usb detect */
if (GPIOL_INPUT_VAL & 0x10)
retval = true;
#elif defined(SANSA_C200)
/* GPIO H bit 1 is usb detect */
if (GPIOH_INPUT_VAL & 0x02)
retval = true;
#elif defined(SANSA_E200)
/* GPIO B bit 4 is usb detect */
if (GPIOB_INPUT_VAL & 0x10)
retval = true;
#elif defined(IRIVER_H10) || defined(IRIVER_H10_5GB) || defined(MROBE_100)
/* GPIO L bit 2 is usb detect */
if (GPIOL_INPUT_VAL & 0x4)
retval = true;
#endif
return retval;
}
/* detect host or charger (INSERTED or POWERED) */
int usb_detect(void)
{
if(usb_pin_detect()) {
return USB_INSERTED;
}
else {
return USB_EXTRACTED;
}
}
#if defined(IPOD_COLOR) || defined(IPOD_4G) \
|| defined(IPOD_MINI) || defined(IPOD_MINI2G)
bool firewire_detect(void)
{
/* GPIO C bit 1 is firewire detect */
if (!(GPIOC_INPUT_VAL & 0x02))
/* no charger detection needed for firewire */
return true;
else
return false;
}
#endif
|
