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
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
|
/*
* hotkeys.c -- code to handling Hotkey/E-Key/EasyAccess buttons
*
* 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, or (at your option) any
* later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* Written by Soós Péter <sp@osb.hu>, 2002-2004
* Modified by Mathieu Bérard <mathieu.berard@crans.org>, 2006
*/
#include "omnibook.h"
#include "hardware.h"
/* Predefined convinient on/off states */
#define HKEY_ON HKEY_ONETOUCH|HKEY_MULTIMEDIA|HKEY_FN|HKEY_DOCK|HKEY_FNF5
#define HKEY_OFF 0
/*
* Set hotkeys status and update recorded saved state
*/
static int hotkeys_set_save(struct omnibook_operation *io_op, unsigned int state)
{
int retval;
if(mutex_lock_interruptible(&io_op->backend->mutex))
return -ERESTARTSYS;
retval = __backend_hotkeys_set(io_op, state);
if (retval < 0)
goto out;
/* Update saved state */
io_op->backend->hotkeys_state = state & io_op->backend->hotkeys_write_cap;
out:
mutex_unlock(&io_op->backend->mutex);
return retval;
}
/*
* Read hotkeys status, fallback to reading saved state if real probing is not
* supported.
*/
static int hotkeys_get_save(struct omnibook_operation *io_op, unsigned int *state)
{
unsigned int read_state = 0;
int retval = 0;
if(mutex_lock_interruptible(&io_op->backend->mutex))
return -ERESTARTSYS;
if (io_op->backend->hotkeys_get)
retval = __backend_hotkeys_get(io_op, &read_state);
if (retval < 0)
goto out;
/* Return previously set state for the fields that are write only */
*state = (read_state & io_op->backend->hotkeys_read_cap) +
(io_op->backend->hotkeys_state & ~io_op->backend->hotkeys_read_cap);
out:
mutex_unlock(&io_op->backend->mutex);
return 0;
}
/*
* Power management handlers
*/
/*
* Restore previously saved state
*/
static int omnibook_hotkeys_resume(struct omnibook_operation *io_op)
{
int retval;
mutex_lock(&io_op->backend->mutex);
retval = __backend_hotkeys_set(io_op, io_op->backend->hotkeys_state);
mutex_unlock(&io_op->backend->mutex);
return retval;
}
/*
* Disable hotkeys upon suspend (FIXME is the disabling required ?)
*/
static int omnibook_hotkeys_suspend(struct omnibook_operation *io_op)
{
int retval = 0;
retval = backend_hotkeys_set(io_op, HKEY_OFF);
return retval;
}
static const char pretty_name[][27] = {
"Onetouch buttons are",
"Multimedia hotkeys are",
"Fn hotkeys are",
"Stick key is",
"Press Fn twice to lock is",
"Dock events are",
"Fn + F5 hotkey is",
};
static int omnibook_hotkeys_read(char *buffer, struct omnibook_operation *io_op)
{
int len = 0;
int retval;
unsigned int read_state = 0; /* buggy gcc 4.1 warning fix */
unsigned int shift, mask;
retval = hotkeys_get_save(io_op, &read_state);
if (retval < 0)
return retval;
for (shift = 0; shift <= HKEY_LAST_SHIFT ; shift++) {
mask = 1 << shift;
/* we assume write capability or read capability imply support */
if ((io_op->backend->hotkeys_read_cap | io_op->backend->hotkeys_write_cap) & mask)
len +=
sprintf(buffer + len, "%s %s.\n", pretty_name[shift],
(read_state & mask) ? "enabled" : "disabled");
}
return len;
}
static int omnibook_hotkeys_write(char *buffer, struct omnibook_operation *io_op)
{
unsigned int state;
char *endp;
if (strncmp(buffer, "off", 3) == 0)
hotkeys_set_save(io_op, HKEY_OFF);
else if (strncmp(buffer, "on", 2) == 0)
hotkeys_set_save(io_op, HKEY_ON);
else {
state = simple_strtoul(buffer, &endp, 16);
if (endp == buffer)
return -EINVAL;
else
hotkeys_set_save(io_op, state);
}
return 0;
}
static int __init omnibook_hotkeys_init(struct omnibook_operation *io_op)
{
int retval;
printk(O_INFO "Enabling all hotkeys.\n");
retval = hotkeys_set_save(io_op, HKEY_ON);
return retval < 0 ? retval : 0;
}
static void __exit omnibook_hotkeys_cleanup(struct omnibook_operation *io_op)
{
printk(O_INFO "Disabling all hotkeys.\n");
hotkeys_set_save(io_op, HKEY_OFF);
}
static struct omnibook_tbl hotkeys_table[] __initdata = {
{XE3GF | XE3GC | OB500 | OB510 | OB6000 | OB6100 | XE4500 | AMILOD | TSP10 | TSM30X,
COMMAND(KBC,OMNIBOOK_KBC_CMD_ONETOUCH_ENABLE,OMNIBOOK_KBC_CMD_ONETOUCH_DISABLE)},
{TSM70, {CDI,}},
{TSM40, {SMI,}},
{TSX205, {ACPI,}},
{0,}
};
static struct omnibook_feature __declared_feature hotkeys_driver = {
.name = "hotkeys",
.enabled = 1,
.read = omnibook_hotkeys_read,
.write = omnibook_hotkeys_write,
.init = omnibook_hotkeys_init,
.exit = omnibook_hotkeys_cleanup,
.suspend = omnibook_hotkeys_suspend,
.resume = omnibook_hotkeys_resume,
.ectypes =
XE3GF | XE3GC | OB500 | OB510 | OB6000 | OB6100 | XE4500 | AMILOD | TSP10 | TSM70 | TSM30X |
TSM40 | TSX205,
.tbl = hotkeys_table,
};
module_param_named(hotkeys, hotkeys_driver.enabled, int, S_IRUGO);
MODULE_PARM_DESC(hotkeys, "Use 0 to disable, 1 to enable hotkeys handling");
/* End of file */
|
