1 /**************************************************************************; 2 ;* *; 3 ;* *; 4 ;* Intel Corporation - ACPI Reference Code for the Baytrail *; 5 ;* Family of Customer Reference Boards. *; 6 ;* *; 7 ;* *; 8 ;* Copyright (c) 2012 - 2014, Intel Corporation. All rights reserved *; 9 ; 10 ; This program and the accompanying materials are licensed and made available under 11 ; the terms and conditions of the BSD License that accompanies this distribution. 12 ; The full text of the license may be found at 13 ; http://opensource.org/licenses/bsd-license.php. 14 ; 15 ; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 16 ; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 17 ; 18 ;* *; 19 ;* *; 20 ;**************************************************************************/ 21 DefinitionBlock ( 22 "Rtd3.aml", 23 "SSDT", 24 1, 25 "AcpiRef", 26 "Msg_Rtd3", 27 0x1000 28 ) 29 { 30 External(RTD3) //flag if RTD3 is enabled 31 32 If(LEqual(RTD3,1)) 33 { 34 Scope (\_SB) 35 { 36 Name(OSCI, 0) // \_SB._OSC DWORD2 input 37 Name(OSCO, 0) // \_SB._OSC DWORD2 output 38 39 //Arg0 -- A buffer containing UUID 40 //Arg1 -- An Interger containing a Revision ID of the buffer format 41 //Arg2 -- An interger containing a count of entries in Arg3 42 //Arg3 -- A buffer containing a list of DWORD capacities 43 Method(_OSC, 4, NotSerialized) 44 { 45 // Check for proper UUID 46 If(LEqual(Arg0, ToUUID("0811B06E-4A27-44F9-8D60-3CBBC22E7B48"))) 47 { 48 CreateDWordField(Arg3,0,CDW1) //bit1,2 is always clear 49 CreateDWordField(Arg3,4,CDW2) //Table 6-147 from ACPI spec 50 51 Store(CDW2, OSCI) // Save DWord2 52 Or(OSCI, 0x4, OSCO) // Only allow _PR3 support 53 54 If(LNotEqual(Arg1,One)) 55 { 56 Or(CDW1,0x08,CDW1) // Unknown revision 57 } 58 59 If(LNotEqual(OSCI, OSCO)) 60 { 61 Or(CDW1,0x10,CDW1) // Capabilities bits were masked 62 } 63 64 Store(OSCO, CDW2) // Replace DWord2 65 Return(Arg3) 66 } Else 67 { 68 Or(CDW1,4,CDW1) // Unrecognized UUID 69 Return(Arg3) 70 } 71 }// End _OSC 72 } 73 }//end of RTD3 condition 74 75 76 //USB RTD3 code 77 If(LEqual(RTD3,1)) 78 { 79 Scope(\_SB.PCI0.EHC1.HUBN.PR01.PR13) 80 { 81 Name(_PR0, Package() {\PR34}) 82 Name(_PR3, Package() {\PR34}) 83 84 Method(_S0W, 0) 85 { 86 If(And(\_SB.OSCO, 0x04)) // PMEs can be genrated from D3cold 87 { 88 Return(4) // OS comprehends D3cold, as described via \_SB._OSC 89 } Else 90 { 91 Return(3) 92 } 93 } // End _S0W 94 } 95 96 Scope(\_SB.PCI0.EHC1.HUBN.PR01.PR14) 97 { 98 Name(_PR0, Package() {\PR34}) 99 Name(_PR3, Package() {\PR34}) 100 101 Method(_S0W, 0) 102 { 103 If(And(\_SB.OSCO, 0x04)) 104 { 105 Return(4) 106 } Else 107 { 108 Return(3) 109 } 110 } // End _S0W 111 } 112 113 114 Scope(\_SB.PCI0.EHC1.HUBN.PR01.PR15) 115 { 116 Name(_PR0, Package() {\PR56}) 117 Name(_PR3, Package() {\PR56}) 118 119 Method(_S0W, 0) 120 { 121 If(And(\_SB.OSCO, 0x04)) 122 { 123 Return(4) 124 } Else 125 { 126 Return(3) 127 } 128 } // End _S0W 129 } 130 131 Scope(\_SB.PCI0.EHC1.HUBN.PR01.PR16) 132 { 133 Name(_PR0, Package() {\PR56}) 134 Name(_PR3, Package() {\PR56}) 135 136 Method(_S0W, 0) 137 { 138 If(And(\_SB.OSCO, 0x04)) 139 { 140 Return(4) 141 } Else 142 { 143 Return(3) 144 } 145 } // End _S0W 146 } 147 148 Scope(\_SB.PCI0.XHC1) // XHCI host only controller 149 { 150 151 Method(_PS0,0,Serialized) // set device into D0 state 152 { 153 } 154 155 Method(_PS3,0,Serialized) // place device into D3H state 156 { 157 //write to PMCSR 158 } 159 160 Method(_DSW, 3,Serialized) // enable or disable the devices ability to wake a sleeping system. 161 { 162 } 163 } 164 165 Scope(\_SB.PCI0.XHC1.RHUB.HS01) 166 { 167 168 } 169 170 Scope(\_SB.PCI0.XHC1.RHUB.SSP1) 171 { 172 173 } 174 175 Scope(\_SB.PCI0.XHC2) // OTG 176 { 177 178 Method(_PS0,0,Serialized) // set device into D0 state 179 { 180 } 181 182 Method(_PS3,0,Serialized) // place device into D3H state 183 { 184 //write to PMCSR 185 } 186 187 Method(_DSW, 3,Serialized) // enable or disable the devices ability to wake a sleeping system. 188 { 189 } 190 } 191 192 Scope(\_SB.PCI0.XHC2.RHUB.HS01) 193 { 194 195 } 196 197 Scope(\_SB.PCI0.XHC2.RHUB.SSP1) 198 { 199 200 } 201 } //If(LEqual(RTD3,1)) USB 202 203 }//end of SSDT 204
