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
|
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2015 Google Inc.
*
* 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.
*/
#define BOARD_TRACKPAD_I2C_ADDR 0x15
#define BOARD_TRACKPAD_IRQ 0x33
Scope (\_SB)
{
Device (LID0)
{
Name (_HID, EisaId("PNP0C0D"))
Method (_LID, 0)
{
Return (\_SB.PCI0.LPCB.EC0.LIDS)
}
}
Device (PWRB)
{
Name(_HID, EisaId("PNP0C0C"))
}
/* Keyboard Backlight interface via EC */
Device (KBLT) {
Name (_HID, "GOOG0002")
Name (_UID, 1)
/* Read current backlight value */
Method (KBQC, 0)
{
Return (\_SB.PCI0.LPCB.EC0.KBLV)
}
/* Write new backlight value */
Method (KBCM, 1)
{
Store (Arg0, \_SB.PCI0.LPCB.EC0.KBLV)
}
}
}
/*
* LPC Trusted Platform Module
*/
Scope (\_SB.PCI0.LPCB)
{
#include <drivers/pc80/tpm/acpi/tpm.asl>
}
/* Trackpad */
Scope (\_SB.PCI0.I2C1)
{
Device (ELAN)
{
Name (_HID, "ELAN0000")
Name (_DDN, "Elan Touchpad")
Name (_UID, 3)
Name (_S0W, 4)
Name (ISTP, 1) /* TouchPad */
Name (_CRS, ResourceTemplate()
{
I2cSerialBus (
BOARD_TRACKPAD_I2C_ADDR, /* SlaveAddress */
ControllerInitiated, /* SlaveMode */
400000, /* ConnectionSpeed */
AddressingMode7Bit, /* AddressingMode */
"\\_SB.PCI0.I2C1", /* ResourceSource */
)
Interrupt (ResourceConsumer, Edge, ActiveLow)
{
BOARD_TRACKPAD_IRQ
}
})
Method (_STA)
{
Return (0xF)
}
}
}
|
