| /* SPDX-License-Identifier: GPL-2.0-only */ |
| Scope (\_SB.PCI0.I2C4) |
| { |
| Device (TPAD) |
| { |
| Name(_ADR, One) |
| Name (_HID, "ALPS0001") |
| Name (_CID, "PNP0C50") |
| Name (_DDN, "ALPS Touchpad") |
| Name (_UID, 1) |
| Name (ISTP, 1) /* Touchpad */ |
| Name (_CRS, ResourceTemplate() |
| { |
| I2cSerialBus ( |
| 0x2C, // SlaveAddress |
| ControllerInitiated, // SlaveMode |
| 400000, // ConnectionSpeed |
| AddressingMode7Bit, // AddressingMode |
| "\\_SB.PCI0.I2C4", // ResourceSource |
| ) |
| Interrupt (ResourceConsumer, Level, ActiveLow) |
| { |
| GPIO_18_IRQ |
| } |
| GpioInt (Level, ActiveLow, ExclusiveAndWake, PullUp, 0x0000, "\\_SB.GPO1", 0x00, ResourceConsumer, ,) |
| { |
| 18 |
| } |
| }) |
| |
| Method (_STA) |
| { |
| Return (0xF) |
| } |
| Method(_DSM, 0x4, NotSerialized) |
| { |
| // DSM UUID for HIDI2C - HID driver does not load without DSM |
| If(LEqual(Arg0, ToUUID("3CDFF6F7-4267-4555-AD05-B30A3D8938DE"))) |
| { |
| // Function 0 : Query Function |
| If(LEqual(Arg2, Zero)) |
| { |
| // Revision 1 |
| If(LEqual(Arg1, One)) |
| { |
| Return (Buffer (One) {0x03}) |
| } |
| Else |
| { |
| Return (Buffer (One) {0x00}) |
| } |
| } ElseIf (LEqual(Arg2, One)) { // Function 1 : HID Function |
| // HID Descriptor Address (IHV Specific) |
| Return(0x0020) |
| } Else { |
| Return (Buffer (One) {0x00}) |
| } |
| } Else { |
| Return (Buffer (One) {0x00}) |
| } |
| } |
| } |
| } |