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
|
/*
* dock.c -- docking station/port replicator support
*
* 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"
static int omnibook_dock_read(char *buffer, struct omnibook_operation *io_op)
{
int len = 0;
u8 dock;
int retval;
if ((retval = backend_byte_read(io_op, &dock)))
return retval;
len += sprintf(buffer + len, "Laptop is %s\n", (dock) ? "docked" : "undocked");
return len;
}
static int omnibook_dock_write(char *buffer, struct omnibook_operation *io_op)
{
int retval;
switch (*buffer) {
case '0':
retval = backend_byte_write(io_op, 0);
break;
case '1':
retval = backend_byte_write(io_op, 1);
break;
default:
retval = -EINVAL;
}
return retval;
}
static struct omnibook_feature dock_driver;
static int __init omnibook_dock_init(struct omnibook_operation *io_op)
{
/* writing is only supported on ectype 13 */
if(!(omnibook_ectype & TSM40))
dock_driver.write = NULL;
return 0;
}
static struct omnibook_tbl dock_table[] __initdata = {
{XE3GF, SIMPLE_BYTE(EC, XE3GF_CSPR, XE3GF_CSPR_MASK)},
{OB500 | OB510 | OB6000 | OB6100, SIMPLE_BYTE(EC, OB500_STA1, OB500_DCKS_MASK)},
{OB4150, SIMPLE_BYTE(EC, OB4150_DCID, 0)},
{TSM40, {SMI, SMI_GET_DOCK, SMI_SET_DOCK, 0, 0, 0}},
{0,}
};
static struct omnibook_feature __declared_feature dock_driver = {
.name = "dock",
.enabled = 0,
.init = omnibook_dock_init,
.read = omnibook_dock_read,
.write = omnibook_dock_write,
.ectypes = XE3GF | OB500 | OB510 | OB6000 | OB6100 | OB4150 | TSM40,
.tbl = dock_table,
};
module_param_named(dock, dock_driver.enabled, int, S_IRUGO);
MODULE_PARM_DESC(dock, "Use 0 to disable, 1 to enable docking station support");
/* End of file */
|
