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Rev 4423 Rev 5201
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;                                                              ;;
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;; Copyright (C) KolibriOS team 2013-2014. All rights reserved. ;;
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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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$Revision: 4850 $
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; USB Host Controller support code: hardware-independent part,
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; USB Host Controller support code: hardware-independent part,
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; common for all controller types.
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; common for all controller types.
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iglobal
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iglobal
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        add     eax, ecx
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        add     eax, ecx
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        pop     ecx
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        pop     ecx
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        ret
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        ret
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endp
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endp
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; Put the given control pipe in the wait list;
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; Put the given control/bulk pipe in the wait list;
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; called when the pipe structure is changed and a possible hardware cache
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; called when the pipe structure is changed and a possible hardware cache
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; needs to be synchronized. When it will be known that the cache is updated,
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; needs to be synchronized. When it will be known that the cache is updated,
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; usb_subscription_done procedure will be called.
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; usb_subscription_done procedure will be called.
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proc usb_subscribe_control
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proc usb_subscribe_control
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        mov     [esi+usb_controller.WaitPipeListAsync], ebx
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        mov     [esi+usb_controller.WaitPipeListAsync], ebx
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@@:
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@@:
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        ret
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        ret
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endp
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endp
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; Same as usb_subscribe_control, but for interrupt/isochronous pipe.
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proc usb_subscribe_periodic
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        cmp     [ebx+usb_pipe.NextWait], -1
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        jnz     @f
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        mov     eax, [esi+usb_controller.WaitPipeListPeriodic]
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        mov     [ebx+usb_pipe.NextWait], eax
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        mov     [esi+usb_controller.WaitPipeListPeriodic], ebx
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@@:
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        ret
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endp
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; Called after synchronization of hardware cache with software changes.
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; Called after synchronization of hardware cache with software changes.
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; Continues process of device enumeration based on when it was delayed
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; Continues process of device enumeration based on when it was delayed
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; due to call to usb_subscribe_control.
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; due to call to usb_subscribe_control.
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proc usb_subscription_done
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proc usb_subscription_done
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        mov     eax, [esi+usb_controller.WaitPipeListAsync+edx]
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        mov     eax, [esi+usb_controller.WaitPipeListAsync+edx]
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        mov     [ebx+usb_pipe.NextWait], eax
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        mov     [ebx+usb_pipe.NextWait], eax
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        mov     [esi+usb_controller.WaitPipeListAsync+edx], ebx
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        mov     [esi+usb_controller.WaitPipeListAsync+edx], ebx
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        jmp     .continue
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        jmp     .continue
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.process:
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.process:
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; 7. Call the handler depending on USB_FLAG_CLOSED.
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; 7. Call the handler depending on USB_FLAG_CLOSED and USB_FLAG_DISABLED.
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        or      [ebx+usb_pipe.NextWait], -1
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        or      [ebx+usb_pipe.NextWait], -1
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        test    [ebx+usb_pipe.Flags], USB_FLAG_CLOSED
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        test    [ebx+usb_pipe.Flags], USB_FLAG_CLOSED
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        jz      .nodisconnect
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        jz      .nodisconnect
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        call    usb_pipe_closed
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        call    usb_pipe_closed
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        jmp     .continue
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        jmp     .continue
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.nodisconnect:
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.nodisconnect:
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        test    [ebx+usb_pipe.Flags], USB_FLAG_DISABLED
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        jz      .nodisabled
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        call    usb_pipe_disabled
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        jmp     .continue
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.nodisabled:
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        call    usb_subscription_done
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        call    usb_subscription_done
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.continue:
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.continue:
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; 8. Restore edx and next pipe saved in step 5 and continue the loop.
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; 8. Restore edx and next pipe saved in step 5 and continue the loop.
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        pop     ebx
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        pop     ebx
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        pop     edx
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        pop     edx