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\ Hypervisor Software File: usbprobe.fth
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id: @(#)usbprobe.fth 1.2 07/06/22
purpose: Create secondary USB nodes after main probe
copyright: Copyright 2007 Sun Microsystems, Inc.  All Rights Reserve
copyright: Use is subject to license terms.

\ Based on probe-scsi code.

headerless


\ co-routine to identify usb controllers and probe them

: usb-children  ( -- )
   \ Ignore nodes which are not class code c0300
   " class-code" get-property  if  exit  then	( enc$ )
   drop l@ h# ff not and			\ class code without version
   h# 000c0300 = if				\ Is class-code a USB node?
      " probe-usb" method-name 2!  call-method?
   then
;

\ co-routine to identify usb controllers and power-up the ports

: power-usb-children ( -- )
   \ Ignore nodes which are not class code c0300
   " class-code" get-property  if  exit  then	( enc$ )
   drop l@ h# ff not and			\ class code without version
   h# 000c0300 = if				\ Is class-code a USB node?
      " power-usb-ports" method-name 2!  call-method?
   then
;

headers

: probe-usb-all ( -- )
      " /" ['] power-usb-children scan-subtree
      d# 1000 ms	\ Wait for USB devices to settle down before probing.
      " /" ['] usb-children  scan-subtree
;