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Line 62... Line 62...
62 
; 1. Lower 7 bits (bits 0-6) are FunctionAddress. This is the USB address of
 62 
; 1. Lower 7 bits (bits 0-6) are FunctionAddress. This is the USB address of
63 
;    the function containing the endpoint that this ED controls.
 63 
;    the function containing the endpoint that this ED controls.
64 
; 2. Next 4 bits (bits 7-10) are EndpointNumber. This is the USB address of
 64 
; 2. Next 4 bits (bits 7-10) are EndpointNumber. This is the USB address of
65 
;    the endpoint within the function.
 65 
;    the endpoint within the function.
66 
; 3. Next 2 bits (bits 11-12) are Direction. This 2-bit field indicates the
 66 
; 3. Next 2 bits (bits 11-12) are Direction. This 2-bit field indicates the
67 
;    direction of data flow: 1 = IN, 2 = OUT. If neither IN nor OUT is
 67 
;    direction of data flow: 1 = OUT, 2 = IN. If neither IN nor OUT is
68 
;    specified, then the direction is determined from the PID field of the TD.
 68 
;    specified, then the direction is determined from the PID field of the TD.
69 
;    For CONTROL endpoints, the transfer direction is different
 69 
;    For CONTROL endpoints, the transfer direction is different
70 
;    for different transfers, so the value of this field is 0
 70 
;    for different transfers, so the value of this field is 0
71 
;    (3 would have the same effect) and the actual direction
 71 
;    (3 would have the same effect) and the actual direction
72 
;    of one transfer is encoded in the Transfer Descriptor.
 72 
;    of one transfer is encoded in the Transfer Descriptor.
Line 320... Line 320...
320 
        dd      ohci_alloc_gtd
 320 
        dd      ohci_alloc_gtd
321 
        dd      ohci_free_gtd
 321 
        dd      ohci_free_gtd
322 
        dd      ohci_alloc_transfer
 322 
        dd      ohci_alloc_transfer
323 
        dd      ohci_insert_transfer
 323 
        dd      ohci_insert_transfer
324 
        dd      ohci_new_device
 324 
        dd      ohci_new_device
- 
 
 325 
        dd      ohci_disable_pipe
- 
 
 326 
        dd      ohci_enable_pipe
325 
ohci_name db    'OHCI',0
 327 
ohci_name db    'OHCI',0
326 
endg
 328 
endg
Line 327... Line 329...
327 
 
 329 
 
328 
; =============================================================================
 330 
; =============================================================================
Line 1012... Line 1014...
1012 
        jz      .return0
 1014 
        jz      .return0
1013 
; 3c. Insert endpoint at edi to the head of list in edx.
 1015 
; 3c. Insert endpoint at edi to the head of list in edx.
1014 
; Inserting to tail would work as well,
 1016 
; Inserting to tail would work as well,
1015 
; but let's be consistent with other controllers.
 1017 
; but let's be consistent with other controllers.
1016 
.insert:
 1018 
.insert:
- 
 
 1019 
        mov     [edi+usb_pipe.BaseList], edx
1017 
        mov     ecx, [edx+usb_pipe.NextVirt]
 1020 
        mov     ecx, [edx+usb_pipe.NextVirt]
1018 
        mov     [edi+usb_pipe.NextVirt], ecx
 1021 
        mov     [edi+usb_pipe.NextVirt], ecx
1019 
        mov     [edi+usb_pipe.PrevVirt], edx
 1022 
        mov     [edi+usb_pipe.PrevVirt], edx
1020 
        mov     [ecx+usb_pipe.PrevVirt], edi
 1023 
        mov     [ecx+usb_pipe.PrevVirt], edi
1021 
        mov     [edx+usb_pipe.NextVirt], edi
 1024 
        mov     [edx+usb_pipe.NextVirt], edi
Line 1612... Line 1615...
1612 
        cmp     [ebx+usb_pipe.Type], INTERRUPT_PIPE
 1615 
        cmp     [ebx+usb_pipe.Type], INTERRUPT_PIPE
1613 
        jnz     @f
 1616 
        jnz     @f
1614 
        mov     eax, [ebx+ohci_pipe.Flags-sizeof.ohci_pipe]
 1617 
        mov     eax, [ebx+ohci_pipe.Flags-sizeof.ohci_pipe]
1615 
        bt      eax, 13
 1618 
        bt      eax, 13
1616 
        setc    cl
 1619 
        setc    cl
1617 
        bt      eax, 11
 1620 
        bt      eax, 12
1618 
        setc    ch
 1621 
        setc    ch
1619 
        shr     eax, 16
 1622 
        shr     eax, 16
1620 
        stdcall usb1_interrupt_list_unlink, eax, ecx
 1623 
        stdcall usb1_interrupt_list_unlink, eax, ecx
1621 
@@:
 1624 
@@:
- 
 
 1625 
        ret
- 
 
 1626 
endp
- 
 
 1627 
 
- 
 
 1628 
; This procedure temporarily removes the given pipe from hardware queue,
- 
 
 1629 
; keeping it in software lists.
- 
 
 1630 
; esi -> usb_controller, ebx -> usb_pipe
- 
 
 1631 
proc ohci_disable_pipe
1622 
        mov     edx, [ebx+usb_pipe.NextVirt]
 1632 
        mov     eax, [ebx+ohci_pipe.NextED-sizeof.ohci_pipe]
1623 
        mov     eax, [ebx+usb_pipe.PrevVirt]
 1633 
        mov     edx, [ebx+usb_pipe.PrevVirt]
- 
 
 1634 
        mov     [edx+ohci_pipe.NextED-sizeof.ohci_pipe], eax
- 
 
 1635 
        ret
- 
 
 1636 
endp
- 
 
 1637 
 
- 
 
 1638 
; This procedure reinserts the given pipe from hardware queue
- 
 
 1639 
; after ehci_disable_pipe, with clearing transfer queue.
- 
 
 1640 
; esi -> usb_controller, ebx -> usb_pipe
- 
 
 1641 
; edx -> current descriptor, eax -> new last descriptor
- 
 
 1642 
proc ohci_enable_pipe
- 
 
 1643 
        sub     eax, sizeof.ohci_gtd
- 
 
 1644 
        invoke  GetPhysAddr
- 
 
 1645 
        mov     edx, [ebx+ohci_pipe.HeadP-sizeof.ohci_pipe]
- 
 
 1646 
        and     edx, 2
- 
 
 1647 
        or      eax, edx
1624 
        mov     [edx+usb_pipe.PrevVirt], eax
 1648 
        mov     [ebx+ohci_pipe.HeadP-sizeof.ohci_pipe], eax
- 
 
 1649 
        lea     eax, [ebx-sizeof.ohci_pipe]
- 
 
 1650 
        invoke  GetPhysAddr
1625 
        mov     [eax+usb_pipe.NextVirt], edx
 1651 
        mov     edx, [ebx+usb_pipe.PrevVirt]
1626 
        mov     edx, [ebx+ohci_pipe.NextED-sizeof.ohci_pipe]
 1652 
        mov     ecx, [edx+ohci_pipe.NextED-sizeof.ohci_pipe]
- 
 
 1653 
        mov     [ebx+ohci_pipe.NextED-sizeof.ohci_pipe], ecx
1627 
        mov     [eax+ohci_pipe.NextED-sizeof.ohci_pipe], edx
 1654 
        mov     [edx+ohci_pipe.NextED-sizeof.ohci_pipe], eax
1628 
        ret
 1655 
        ret
1629 
endp
 1656 
endp
Line 1630... Line 1657...
1630 
 
 1657 
 
1631 
; Allocates one endpoint structure for OHCI.
 1658 
; Allocates one endpoint structure for OHCI.