summaryrefslogtreecommitdiff
path: root/src/mainboard/lenovo/t60/acpi/platform.asl
blob: 50da033b2d4a03204d9e0cd179c0e2b07d6b7f47 (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
/* 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)
{
	/* Wake the HKEY to init BT/WWAN */
	\_SB.PCI0.LPCB.EC.HKEY.WAKE (Arg0)

	// CPU specific part

	// Notify PCI Express slots in case a card
	// was inserted while a sleep state was active.

	// Are we going to S3?
	If (Arg0 == 3) {
		// ..
	}

	// Are we going to S4?
	If (Arg0 == 4) {
		// ..
	}

	// TODO: Windows XP SP2 P-State restore

	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

		\GOS()

		/* SMM power state and C4-on-C3 settings need to be updated */
		// TRAP(43) // TODO
	}
}