Ravi Sarawadi | e02fd83 | 2022-05-08 00:27:31 -0700 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| 2 | |
| 3 | OperationRegion (XPRT, SystemMemory, BASE(_ADR), 0x100) |
| 4 | Field (XPRT, ByteAcc, NoLock, Preserve) |
| 5 | { |
| 6 | VDID, 32, |
| 7 | Offset(0x74), /* 0x74, XHCI CFG Power Control And Status */ |
| 8 | D0D3, 2, /* 0x74 BIT[1:0] */ |
| 9 | , 6, |
| 10 | PMEE, 1, /* PME Enable */ |
| 11 | , 6, |
| 12 | PMES, 1, /* PME Status */ |
| 13 | } |
| 14 | |
| 15 | Method (_PS0, 0, Serialized) |
| 16 | { |
| 17 | If (\_SB.PCI0.TXHC.PMEE == 1) { |
| 18 | /* Clear PME_EN of CPU xHCI */ |
| 19 | \_SB.PCI0.TXHC.PMEE = 0 |
| 20 | } |
| 21 | } |
| 22 | |
| 23 | Method (_PS3, 0, Serialized) |
| 24 | { |
| 25 | If (\_SB.PCI0.TXHC.PMEE == 0) { |
| 26 | /* Set PME_EN of CPU xHCI */ |
| 27 | \_SB.PCI0.TXHC.PMEE = 1 |
| 28 | } |
| 29 | } |
| 30 | |
| 31 | Method (_S0W, 0x0, NotSerialized) |
| 32 | { |
| 33 | Return (0x4) |
| 34 | } |
| 35 | |
| 36 | /* |
| 37 | * Variable to skip TCSS/TBT D3 cold; 1+: Skip D3CE, 0 - Enable D3CE |
| 38 | * TCSS D3 Cold and TBT RTD3 is only available when system power state is in S0. |
| 39 | */ |
| 40 | Name (SD3C, 0) |
| 41 | |
| 42 | Method (_PR0) |
| 43 | { |
| 44 | Return (Package () { \_SB.PCI0.D3C }) |
| 45 | } |
| 46 | |
| 47 | Method (_PR3) |
| 48 | { |
| 49 | Return (Package () { \_SB.PCI0.D3C }) |
| 50 | } |
| 51 | |
| 52 | /* |
| 53 | * XHCI controller _DSM method |
| 54 | */ |
| 55 | Method (_DSM, 4, serialized) |
| 56 | { |
| 57 | Return (Buffer() { 0 }) |
| 58 | } |
| 59 | |
| 60 | /* |
| 61 | * _SXD and _SXW methods |
| 62 | */ |
| 63 | Method (_S3D, 0, NotSerialized) |
| 64 | { |
| 65 | Return (3) |
| 66 | } |
| 67 | |
| 68 | Method (_S4D, 0, NotSerialized) |
| 69 | { |
| 70 | Return (3) |
| 71 | } |
| 72 | |
| 73 | Method (_S3W, 0, NotSerialized) |
| 74 | { |
| 75 | Return (3) |
| 76 | } |
| 77 | |
| 78 | Method (_S4W, 0, NotSerialized) |
| 79 | { |
| 80 | Return (3) |
| 81 | } |
| 82 | |
| 83 | /* |
| 84 | * Power resource for wake |
| 85 | */ |
| 86 | Method (_PRW, 0) |
| 87 | { |
| 88 | Return (Package() { 0x6D, 4 }) |
| 89 | } |
| 90 | |
| 91 | /* |
| 92 | * Device sleep wake |
| 93 | */ |
| 94 | Method (_DSW, 3) |
| 95 | { |
| 96 | C2PM (Arg0, Arg1, Arg2, DCPM) |
| 97 | /* If entering Sx (Arg1 > 1), need to skip TCSS D3Cold & TBT RTD3/D3Cold. */ |
| 98 | SD3C = Arg1 |
| 99 | } |
| 100 | |
| 101 | /* |
| 102 | * xHCI Root Hub Device |
| 103 | */ |
| 104 | Device (RHUB) |
| 105 | { |
| 106 | Name (_ADR, Zero) |
| 107 | |
| 108 | /* High Speed Ports */ |
| 109 | Device (HS01) |
| 110 | { |
| 111 | Name (_ADR, 0x01) |
| 112 | } |
| 113 | |
| 114 | /* Super Speed Ports */ |
| 115 | Device (SS01) |
| 116 | { |
| 117 | Name (_ADR, 0x02) |
| 118 | Method (_DSD, 0, NotSerialized) |
| 119 | { |
| 120 | Return( Package () |
| 121 | { |
| 122 | ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"), |
| 123 | Package () |
| 124 | { |
| 125 | Package (2) { "usb4-host-interface", \_SB.PCI0.TDM0 }, |
| 126 | Package (2) { "usb4-port-number", 0 } |
| 127 | } |
| 128 | }) |
| 129 | } |
| 130 | } |
| 131 | |
| 132 | Device (SS02) |
| 133 | { |
| 134 | Name (_ADR, 0x03) |
| 135 | Method (_DSD, 0, NotSerialized) |
| 136 | { |
| 137 | Return( Package () |
| 138 | { |
| 139 | ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"), |
| 140 | Package () |
| 141 | { |
| 142 | Package (2) { "usb4-host-interface", \_SB.PCI0.TDM0 }, |
| 143 | Package (2) { "usb4-port-number", 1 } |
| 144 | } |
| 145 | }) |
| 146 | } |
| 147 | } |
| 148 | |
| 149 | Device (SS03) |
| 150 | { |
| 151 | Name (_ADR, 0x04) |
| 152 | Method (_DSD, 0, NotSerialized) |
| 153 | { |
| 154 | Return( Package () |
| 155 | { |
| 156 | ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"), |
| 157 | Package () |
| 158 | { |
| 159 | Package (2) { "usb4-host-interface", \_SB.PCI0.TDM1 }, |
| 160 | Package (2) { "usb4-port-number", 0 } |
| 161 | } |
| 162 | }) |
| 163 | } |
| 164 | } |
| 165 | |
| 166 | Device (SS04) |
| 167 | { |
| 168 | Name (_ADR, 0x05) |
| 169 | Method (_DSD, 0, NotSerialized) |
| 170 | { |
| 171 | Return( Package () |
| 172 | { |
| 173 | ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"), |
| 174 | Package () |
| 175 | { |
| 176 | Package (2) { "usb4-host-interface", \_SB.PCI0.TDM1 }, |
| 177 | Package (2) { "usb4-port-number", 1 } |
| 178 | } |
| 179 | }) |
| 180 | } |
| 181 | } |
| 182 | } |