summaryrefslogtreecommitdiff
path: root/src/mainboard/lenovo/x201/acpi/platform.asl
blob: 44b06c6a05db0b23b12ca10833af2bf5e84a77b5 (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
/* SPDX-License-Identifier: GPL-2.0-only */

/* The _PTS method (Prepare To Sleep) is called before the OS is
 * entering a sleep state. The sleep state number is passed in Arg0
 */

Method(_PTS,1)
{
	\_SB.PCI0.LPCB.EC.MUTE(1)
	\_SB.PCI0.LPCB.EC.USBP(0)
	\_SB.PCI0.LPCB.EC.RADI(0)
}

/* The _WAK method is called on system wakeup */

Method(_WAK,1)
{
	/* ME may not be up yet. */
	\_TZ.MEB1 = 0
	\_TZ.MEB2 = 0

	/* Wake the HKEY to init BT/WWAN */
	\_SB.PCI0.LPCB.EC.HKEY.WAKE (Arg0)

	/* Not implemented. */
	Return(Package(){0,0})
}

/* System Bus */

Scope(\_SB)
{
	/* This method is placed on the top level, so we can make sure it's the
	 * first executed _INI method.
	 */
	Method(_INI, 0)
	{
		/* The DTS data in NVS is probably not up to date.
		 * Update temperature values and make sure AP thermal
		 * interrupts can happen
		 */

		/* TRAP(71) */ /* TODO */

		/* Determine the Operating System and save the value in OSYS.
		 * We have to do this in order to be able to work around
		 * certain windows bugs.
		 *
		 *    OSYS value | Operating System
		 *    -----------+------------------
		 *       2000    | Windows 2000
		 *       2001    | Windows XP(+SP1)
		 *       2002    | Windows XP SP2
		 *       2006    | Windows Vista
		 *       ????    | Windows 7
		 */

		/* Let's assume we're running at least Windows 2000 */
		OSYS =  2000

		If (CondRefOf(_OSI)) {
			If (_OSI("Windows 2001")) {
				OSYS = 2001
			}

			If (_OSI("Windows 2001 SP1")) {
				OSYS = 2001
			}

			If (_OSI("Windows 2001 SP2")) {
				OSYS = 2002
			}

			If (_OSI("Windows 2001.1")) {
				OSYS = 2001
			}

			If (_OSI("Windows 2001.1 SP1")) {
				OSYS = 2001
			}

			If (_OSI("Windows 2006")) {
				OSYS = 2006
			}

			If (_OSI("Windows 2006.1")) {
				OSYS = 2006
			}

			If (_OSI("Windows 2006 SP1")) {
				OSYS = 2006
			}

			If (_OSI("Windows 2009")) {
				OSYS = 2009
			}

			If (_OSI("Windows 2012")) {
				OSYS = 2012
			}
		}
	}
}