Advanced Configuration and Power Interface Specification

Advanced Configuration and Power Interface Specification
Example
Scope( \_SB) {
…
Device(PCI0) {
…
Device( USB0) {
Name(_ADR, 0xyyyyzzzz)
Device(RHUB) {
Name(_ADR, 0x00000000)
Device(PRT1) {
Name(_ADR, 0x00000001)
// Host controller (EHCI)
// PCI device#/Function# for this HC. Encoded as specified in the ACPI
// specification
// Root hub device for this HC #1.
// must be zero for USB root hub
// Root hub, port 1
// USB port configuration object. This object returns the system
// specific USB port configuration information for port number 1
// Must match the _UPC declaration for USB1.RHUB.PRT1 as it is this
// host controller’s companion
Name( _UPC, Package(){
0xFF,
// Port is connectable
0x00, // Connector type – Type ‘A’
0x00000000, // Reserved 0 – must be zero
0x00000000})
// Reserved 1 – must be zero
// provide physical port location info for port 1
// Must match the _UPC declaration for USB1.RHUB.PRT1 as it is this
// host controller’s companion
Name( _PLD, Package(1) {
Buffer(0x14) {
0x82,0x00,0x00,0x00, // Revision 2, Ignore color
// Color (ignored), width and height not
0x00,0x00,0x00,0x00, // required as this is a standard USB ‘A’
// type connector
0xa1,0x10,0x00,0x00, // User visible, front panel, Vertical
// lower, horz. Left, shape = horz. Rect.
0x03,0x00,0x00,0x00, // ejectable, needs OPSM eject assistance
0xFF,0xFF,0xFF,0xFF})} // Vert. and Horiz. Offsets not supplied
} // Device( PRT1)
//
// Define other ports, control methods, etc
…
…
} // Device( RHUB)
} // Device( USB0)
Device( USB1) {
Name(_ADR, 0xyyyyzzzz)
Device(RHUB) {
Name(_ADR, 0x00000000)
// Companion Host controller (OHCI or UHCI)
// PCI device#/Function# for this HC. Encoded as specified in the ACPI
// specification
// Root hub device for this HC #1.
// must be zero for USB root hub
// Root hub, port 1
530 April, 2015 Version 6.0