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
|
/*
* Resume reason sysfs for the FIC Neo1973 GSM Phone
*
* (C) 2008 by Openmoko Inc.
* Author: Andy Green <andy@openmoko.com>
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License resume_reason 2 as
* published by the Free Software Foundation
*
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
#ifdef CONFIG_MACH_NEO1973_GTA02
#include <asm/arch/gta02.h>
#include <linux/pcf50633.h>
#endif
static unsigned int *gstatus4_mapped;
static char *resume_reasons[][17] = { { /* GTA01 */
"EINT00_NULL",
"EINT01_GSM",
"EINT02_NULL",
"EINT03_NULL",
"EINT04_JACK",
"EINT05_SDCARD",
"EINT06_AUXKEY",
"EINT07_HOLDKEY",
"EINT08_NULL",
"EINT09_NULL",
"EINT10_NULL",
"EINT11_NULL",
"EINT12_NULL",
"EINT13_NULL",
"EINT14_NULL",
"EINT15_NULL",
NULL
}, { /* GTA02 */
"EINT00_ACCEL1",
"EINT01_GSM",
"EINT02_BLUETOOTH",
"EINT03_DEBUGBRD",
"EINT04_JACK",
"EINT05_WLAN",
"EINT06_AUXKEY",
"EINT07_HOLDKEY",
"EINT08_ACCEL2",
"EINT09_PMU",
"EINT10_NULL",
"EINT11_NULL",
"EINT12_GLAMO",
"EINT13_NULL",
"EINT14_NULL",
"EINT15_NULL",
NULL
} };
static ssize_t resume_reason_read(struct device *dev,
struct device_attribute *attr,
char *buf)
{
int bit = 0;
char *end = buf;
int gta = !!machine_is_neo1973_gta02();
for (bit = 0; resume_reasons[gta][bit]; bit++) {
if ((*gstatus4_mapped) & (1 << bit))
end += sprintf(end, "* %s\n", resume_reasons[gta][bit]);
else
end += sprintf(end, " %s\n", resume_reasons[gta][bit]);
#ifdef CONFIG_MACH_NEO1973_GTA02
if ((gta) && (bit == 9)) /* PMU */
end += pcf50633_report_resumers(pcf50633_global, end);
#endif
}
return end - buf;
}
static DEVICE_ATTR(resume_reason, 0644, resume_reason_read, NULL);
static struct attribute *neo1973_resume_reason_sysfs_entries[] = {
&dev_attr_resume_reason.attr,
NULL
};
static struct attribute_group neo1973_resume_reason_attr_group = {
.name = NULL,
.attrs = neo1973_resume_reason_sysfs_entries,
};
static int __init neo1973_resume_reason_probe(struct platform_device *pdev)
{
dev_info(&pdev->dev, "starting\n");
gstatus4_mapped = ioremap(0x560000BC /* GSTATUS4 */, 0x4);
if (!gstatus4_mapped) {
dev_err(&pdev->dev, "failed to ioremap() memory region\n");
return -EINVAL;
}
return sysfs_create_group(&pdev->dev.kobj,
&neo1973_resume_reason_attr_group);
}
static int neo1973_resume_reason_remove(struct platform_device *pdev)
{
sysfs_remove_group(&pdev->dev.kobj, &neo1973_resume_reason_attr_group);
iounmap(gstatus4_mapped);
return 0;
}
static struct platform_driver neo1973_resume_reason_driver = {
.probe = neo1973_resume_reason_probe,
.remove = neo1973_resume_reason_remove,
.driver = {
.name = "neo1973-resume",
},
};
static int __devinit neo1973_resume_reason_init(void)
{
return platform_driver_register(&neo1973_resume_reason_driver);
}
static void neo1973_resume_reason_exit(void)
{
platform_driver_unregister(&neo1973_resume_reason_driver);
}
module_init(neo1973_resume_reason_init);
module_exit(neo1973_resume_reason_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Andy Green <andy@openmoko.com>");
MODULE_DESCRIPTION("Neo1973 resume_reason");
|
