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Rev 5363 Rev 9571
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;; Copyright (C) KolibriOS team 2013-2015. All rights reserved. ;;
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;; Copyright (C) KolibriOS team 2013-2015. All rights reserved. ;;
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;; Distributed under terms of the GNU General Public License    ;;
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;; Distributed under terms of the GNU General Public License    ;;
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;;                                                              ;;
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;;                                                              ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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$Revision: 5363 $
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$Revision: 9571 $
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        db      'UHCI',0
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        db      'UHCI',0
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ohci_service_name:
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ohci_service_name:
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        db      'OHCI',0
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        db      'OHCI',0
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ehci_service_name:
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ehci_service_name:
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        db      'EHCI',0
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        db      'EHCI',0
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xhci_service_name:
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        db      'XHCI',0
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endg
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endg
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; Initializes the USB subsystem.
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; Initializes the USB subsystem.
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proc usb_init
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proc usb_init
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        mov     ebx, ohci_service_name
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        mov     ebx, ohci_service_name
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        cmp     byte [esi+PCIDEV.class], 0x10
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        cmp     byte [esi+PCIDEV.class], 0x10
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        jz      .do_kickoff
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        jz      .do_kickoff
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        mov     ebx, ehci_service_name
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        mov     ebx, ehci_service_name
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        cmp     byte [esi+PCIDEV.class], 0x20
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        cmp     byte [esi+PCIDEV.class], 0x20
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        jz      .do_kickoff
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        mov     ebx, xhci_service_name
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        cmp     byte [esi+PCIDEV.class], 0x30
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        jnz     .kickoff
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        jnz     .kickoff
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.do_kickoff:
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.do_kickoff:
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        inc     dword [esp]
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        inc     dword [esp]
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        push    ebx esi
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        push    ebx esi
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        stdcall get_service, ebx
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        stdcall get_service, ebx
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; in the second loop. (One loop in reversed PCI order could also be used,
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; in the second loop. (One loop in reversed PCI order could also be used,
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; but seems less natural.)
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; but seems less natural.)
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; 4a. Loop over all PCI devices, call usb_init_controller
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; 4a. Loop over all PCI devices, call usb_init_controller
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; for all EHCI controllers.
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; for all EHCI controllers.
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        mov     eax, pcidev_list
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        mov     eax, pcidev_list
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.scan_xhci:
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        mov     eax, [eax+PCIDEV.fd]
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        cmp     eax, pcidev_list
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        jz      .done_xhci
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        cmp     [eax+PCIDEV.class], 0x0C0330
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        jnz     .scan_xhci
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        call    usb_init_controller
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        jmp     .scan_xhci
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.done_xhci:
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        mov     eax, pcidev_list
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.scan_ehci:
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.scan_ehci:
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        mov     eax, [eax+PCIDEV.fd]
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        mov     eax, [eax+PCIDEV.fd]
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        cmp     eax, pcidev_list
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        cmp     eax, pcidev_list
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        jz      .done_ehci
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        jz      .done_ehci
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        cmp     [eax+PCIDEV.class], 0x0C0320
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        cmp     [eax+PCIDEV.class], 0x0C0320