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
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
|
/**************************************************************************;
;* *;
;* *;
;* Intel Corporation - ACPI Reference Code for the Baytrail *;
;* Family of Customer Reference Boards. *;
;* *;
;* *;
;* Copyright (c) 2012 - 2014, Intel Corporation. All rights reserved *;
;
; This program and the accompanying materials are licensed and made available under
; the terms and conditions of the BSD License that accompanies this distribution.
; The full text of the license may be found at
; http://opensource.org/licenses/bsd-license.php.
;
; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
;
;* *;
;* *;
;**************************************************************************/
DefinitionBlock (
"Rtd3.aml",
"SSDT",
1,
"AcpiRef",
"Msg_Rtd3",
0x1000
)
{
External(RTD3) //flag if RTD3 is enabled
If(LEqual(RTD3,1))
{
Scope (\_SB)
{
Name(OSCI, 0) // \_SB._OSC DWORD2 input
Name(OSCO, 0) // \_SB._OSC DWORD2 output
//Arg0 -- A buffer containing UUID
//Arg1 -- An Interger containing a Revision ID of the buffer format
//Arg2 -- An interger containing a count of entries in Arg3
//Arg3 -- A buffer containing a list of DWORD capacities
Method(_OSC, 4, NotSerialized)
{
// Check for proper UUID
If(LEqual(Arg0, ToUUID("0811B06E-4A27-44F9-8D60-3CBBC22E7B48")))
{
CreateDWordField(Arg3,0,CDW1) //bit1,2 is always clear
CreateDWordField(Arg3,4,CDW2) //Table 6-147 from ACPI spec
Store(CDW2, OSCI) // Save DWord2
Or(OSCI, 0x4, OSCO) // Only allow _PR3 support
If(LNotEqual(Arg1,One))
{
Or(CDW1,0x08,CDW1) // Unknown revision
}
If(LNotEqual(OSCI, OSCO))
{
Or(CDW1,0x10,CDW1) // Capabilities bits were masked
}
Store(OSCO, CDW2) // Replace DWord2
Return(Arg3)
} Else
{
Or(CDW1,4,CDW1) // Unrecognized UUID
Return(Arg3)
}
}// End _OSC
}
}//end of RTD3 condition
//USB RTD3 code
If(LEqual(RTD3,1))
{
Scope(\_SB.PCI0.EHC1.HUBN.PR01.PR13)
{
Name(_PR0, Package() {\PR34})
Name(_PR3, Package() {\PR34})
Method(_S0W, 0)
{
If(And(\_SB.OSCO, 0x04)) // PMEs can be genrated from D3cold
{
Return(4) // OS comprehends D3cold, as described via \_SB._OSC
} Else
{
Return(3)
}
} // End _S0W
}
Scope(\_SB.PCI0.EHC1.HUBN.PR01.PR14)
{
Name(_PR0, Package() {\PR34})
Name(_PR3, Package() {\PR34})
Method(_S0W, 0)
{
If(And(\_SB.OSCO, 0x04))
{
Return(4)
} Else
{
Return(3)
}
} // End _S0W
}
Scope(\_SB.PCI0.EHC1.HUBN.PR01.PR15)
{
Name(_PR0, Package() {\PR56})
Name(_PR3, Package() {\PR56})
Method(_S0W, 0)
{
If(And(\_SB.OSCO, 0x04))
{
Return(4)
} Else
{
Return(3)
}
} // End _S0W
}
Scope(\_SB.PCI0.EHC1.HUBN.PR01.PR16)
{
Name(_PR0, Package() {\PR56})
Name(_PR3, Package() {\PR56})
Method(_S0W, 0)
{
If(And(\_SB.OSCO, 0x04))
{
Return(4)
} Else
{
Return(3)
}
} // End _S0W
}
Scope(\_SB.PCI0.XHC1) // XHCI host only controller
{
Method(_PS0,0,Serialized) // set device into D0 state
{
}
Method(_PS3,0,Serialized) // place device into D3H state
{
//write to PMCSR
}
Method(_DSW, 3,Serialized) // enable or disable the device’s ability to wake a sleeping system.
{
}
}
Scope(\_SB.PCI0.XHC1.RHUB.HS01)
{
}
Scope(\_SB.PCI0.XHC1.RHUB.SSP1)
{
}
Scope(\_SB.PCI0.XHC2) // OTG
{
Method(_PS0,0,Serialized) // set device into D0 state
{
}
Method(_PS3,0,Serialized) // place device into D3H state
{
//write to PMCSR
}
Method(_DSW, 3,Serialized) // enable or disable the device’s ability to wake a sleeping system.
{
}
}
Scope(\_SB.PCI0.XHC2.RHUB.HS01)
{
}
Scope(\_SB.PCI0.XHC2.RHUB.SSP1)
{
}
} //If(LEqual(RTD3,1)) USB
}//end of SSDT
|
