system76-coreboot/src/southbridge/intel/i82801gx/acpi/usb.asl

/* SPDX-License-Identifier: GPL-2.0-only */

/* Intel ICH USB support */

// USB Controller 0:1d.0

Device (USB1)
{
	Name(_ADR, 0x001d0000)

	OperationRegion(U01P, PCI_Config, 0, 256)
	Field(U01P, DWordAcc, NoLock, Preserve)
	{
		Offset(0xc4),
		U1WE, 2		// USB Wake Enable
	}

	Name (_PRW, Package(){ 3, 4 }) // Power Resources for Wake

	Method (_PSW, 1)	// Power State Wake method
	{
		// USB Controller can wake OS from Sleep State
		If (Arg0) {
			U1WE = 3
		} Else {
			U1WE = 0
		}
	}

	// Leave USB ports on for to allow Wake from USB

	Method(_S3D,0)	// Highest D State in S3 State
	{
		Return (2)
	}

	Method(_S4D,0)	// Highest D State in S4 State
	{
		Return (2)
	}
}

// USB Controller 0:1d.1

Device (USB2)
{
	Name(_ADR, 0x001d0001)

	OperationRegion(U02P, PCI_Config, 0, 256)
	Field(U02P, DWordAcc, NoLock, Preserve)
	{
		Offset(0xc4),
		U2WE, 2		// USB Wake Enable
	}

	Name (_PRW, Package(){ 3, 4 }) // Power Resources for Wake

	Method (_PSW, 1)	// Power State Wake method
	{
		// USB Controller can wake OS from Sleep State
		If (Arg0) {
			U2WE = 3
		} Else {
			U2WE = 0
		}
	}

	// Leave USB ports on for to allow Wake from USB

	Method(_S3D,0)	// Highest D State in S3 State
	{
		Return (2)
	}

	Method(_S4D,0)	// Highest D State in S4 State
	{
		Return (2)
	}

}

// USB Controller 0:1d.2

Device (USB3)
{
	Name(_ADR, 0x001d0002)

	OperationRegion(U03P, PCI_Config, 0, 256)
	Field(U03P, DWordAcc, NoLock, Preserve)
	{
		Offset(0xc4),
		U3WE, 2		// USB Wake Enable
	}

	Name (_PRW, Package(){ 3, 4 }) // Power Resources for Wake

	Method (_PSW, 1)	// Power State Wake method
	{
		// USB Controller can wake OS from Sleep State
		If (Arg0) {
			U3WE = 3
		} Else {
			U3WE = 0
		}
	}

	// Leave USB ports on for to allow Wake from USB

	Method(_S3D,0)	// Highest D State in S3 State
	{
		Return (2)
	}

	Method(_S4D,0)	// Highest D State in S4 State
	{
		Return (2)
	}

}

// USB Controller 0:1d.3

Device (USB4)
{
	Name(_ADR, 0x001d0003)

	OperationRegion(U04P, PCI_Config, 0, 256)
	Field(U04P, DWordAcc, NoLock, Preserve)
	{
		Offset(0xc4),
		U4WE, 2		// USB Wake Enable
	}

	Name (_PRW, Package(){ 3, 4 }) // Power Resources for Wake

	Method (_PSW, 1)	// Power State Wake method
	{
		// USB Controller can wake OS from Sleep State
		If (Arg0) {
			U4WE = 3
		} Else {
			U4WE = 0
		}
	}

	// Leave USB ports on for to allow Wake from USB

	Method(_S3D,0)	// Highest D State in S3 State
	{
		Return (2)
	}

	Method(_S4D,0)	// Highest D State in S4 State
	{
		Return (2)
	}

}

// EHCI Controller 0:1d.7

Device (EHC1)
{
	Name(_ADR, 0x001d0007)

	Name (_PRW, Package(){ 13, 4 }) // Power Resources for Wake

	// Leave USB ports on for to allow Wake from USB

	Method(_S3D,0)	// Highest D State in S3 State
	{
		Return (2)
	}

	Method(_S4D,0)	// Highest D State in S4 State
	{
		Return (2)
	}

	Device (HUB7)
	{
		Name (_ADR, 0x00000000)

		// How many are there?
		Device (PRT1) { Name (_ADR, 1) } // USB Port 0
		Device (PRT2) { Name (_ADR, 2) } // USB Port 1
		Device (PRT3) { Name (_ADR, 3) } // USB Port 2
		Device (PRT4) { Name (_ADR, 4) } // USB Port 3
		Device (PRT5) { Name (_ADR, 5) } // USB Port 4
		Device (PRT6) { Name (_ADR, 6) } // USB Port 5
	}
}