| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| Scope (\_SB.PCI0.I2C1) |
| { |
| Device (STSA) |
| { |
| Name (_HID, "SYTS7508") |
| Name (_CID, "PNP0C50") |
| Name (_UID, 4) |
| Name (ISTP, 0) /* TouchScreen */ |
| |
| /* Fetch HidDescriptorAddress, Register offset in the |
| * I2C device at which the HID descriptor can be read |
| */ |
| Method (_DSM, 4, NotSerialized) |
| { |
| If (Arg0 == ToUUID ("3cdff6f7-4267-4555-ad05-b30a3d8938de")) |
| { |
| // DSM Revision |
| If (Arg2 == 0) |
| { |
| If (Arg1 == 1) |
| { |
| Return (Buffer (1) |
| { |
| 0x03 |
| }) |
| } |
| Else |
| { |
| Return (Buffer (1) |
| { |
| 0x00 |
| }) |
| } |
| } |
| // HID Function |
| If (Arg2 == 1) |
| { |
| Return (0x20) |
| } |
| } |
| Else |
| { |
| Return (Buffer (1) |
| { |
| 0x00 |
| }) |
| } |
| |
| Return (0) |
| } |
| |
| Method(_CRS, 0x0, NotSerialized) |
| { |
| Name (BUF0, ResourceTemplate () |
| { |
| I2cSerialBus( |
| 0x20, /* SlaveAddress */ |
| ControllerInitiated, /* SlaveMode */ |
| 400000, /* ConnectionSpeed */ |
| AddressingMode7Bit, /* AddressingMode */ |
| "\\_SB.PCI0.I2C1", /* ResourceSource */ |
| ) |
| GpioInt (Level, ActiveLow, SharedAndWake, PullDefault,, |
| "\\_SB.GPNC") { BOARD_TOUCH_GPIO_INDEX } |
| }) |
| Return (BUF0) |
| } |
| |
| Method (_STA) |
| { |
| If (\S1EN == 1) { |
| Return (0xF) |
| } Else { |
| Return (0x0) |
| } |
| } |
| #if CONFIG(CHROMEOS) |
| Name (_PRW, Package() { BOARD_TOUCHSCREEN_WAKE_GPIO, 0x3 }) |
| #endif |
| /* Allow device to power off in S0 */ |
| Name (_S0W, 4) |
| } |
| } |
