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
|
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2007-2009 coresystems GmbH
*
* 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; version 2 of
* the License.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc.
*/
External(LCD0, DeviceObj)
Name (BRCT, 0)
Method(BRID, 1, NotSerialized)
{
Store (Match (BRIG, MEQ, Arg0, MTR, Zero, 2), Local0)
If (LEqual (Local0, Ones))
{
Return (Subtract(SizeOf(BRIG), One))
}
Return (Local0)
}
Method (XBCL, 0, NotSerialized)
{
Store (1, BRCT)
Return (BRIG)
}
/* Display Output Switching */
Method (_DOS, 1)
{
/* Windows 2000 and Windows XP call _DOS to enable/disable
* Display Output Switching during init and while a switch
* is already active
*/
Store (And(Arg0, 7), DSEN)
}
/* Using Notify is the right way. But Windows doesn't handle
it well. So use both method in a way to avoid double action.
*/
Method (DECB, 0, NotSerialized)
{
If (BRCT)
{
Notify (LCD0, 0x87)
} Else {
Store (BRID (XBQC ()), Local0)
If (LNotEqual (Local0, 2))
{
Decrement (Local0)
}
XBCM (DerefOf (Index (BRIG, Local0)))
}
}
Method (INCB, 0, NotSerialized)
{
If (BRCT)
{
Notify (LCD0, 0x86)
} Else {
Store (BRID (XBQC ()), Local0)
If (LNotEqual (Local0, Subtract(SizeOf(BRIG), One)))
{
Increment (Local0)
}
XBCM (DerefOf (Index (BRIG, Local0)))
}
}
/* Device Current Status */
Method(XDCS, 1)
{
TRAP(1)
If (And(CSTE, ShiftLeft (1, Arg0))) {
Return (0x1f)
}
Return(0x1d)
}
/* Query Device Graphics State */
Method(XDGS, 1)
{
If (And(NSTE, ShiftLeft (1, Arg0))) {
Return(1)
}
Return(0)
}
/* Device Set State */
Method(XDSS, 2)
{
/* If Parameter Arg0 is (1 << 31) | (1 << 30), the
* display switch was completed
*/
If (LEqual(And(Arg0, 0xc0000000), 0xc0000000)) {
Store (NSTE, CSTE)
}
}
|
