| 64,7 → 64,7 |
|---|
| ; 2. Next 4 bits (bits 7-10) are EndpointNumber. This is the USB address of |
| ; the endpoint within the function. |
| ; 3. Next 2 bits (bits 11-12) are Direction. This 2-bit field indicates the |
| ; direction of data flow: 1 = IN, 2 = OUT. If neither IN nor OUT is |
| ; direction of data flow: 1 = OUT, 2 = IN. If neither IN nor OUT is |
| ; specified, then the direction is determined from the PID field of the TD. |
| ; For CONTROL endpoints, the transfer direction is different |
| ; for different transfers, so the value of this field is 0 |
| 322,6 → 322,8 |
|---|
| dd ohci_alloc_transfer |
| dd ohci_insert_transfer |
| dd ohci_new_device |
| dd ohci_disable_pipe |
| dd ohci_enable_pipe |
| ohci_name db 'OHCI',0 |
| endg |
| |
| 1014,6 → 1016,7 |
|---|
| ; Inserting to tail would work as well, |
| ; but let's be consistent with other controllers. |
| .insert: |
| mov [edi+usb_pipe.BaseList], edx |
| mov ecx, [edx+usb_pipe.NextVirt] |
| mov [edi+usb_pipe.NextVirt], ecx |
| mov [edi+usb_pipe.PrevVirt], edx |
| 1614,20 → 1617,44 |
|---|
| mov eax, [ebx+ohci_pipe.Flags-sizeof.ohci_pipe] |
| bt eax, 13 |
| setc cl |
| bt eax, 11 |
| bt eax, 12 |
| setc ch |
| shr eax, 16 |
| stdcall usb1_interrupt_list_unlink, eax, ecx |
| @@: |
| mov edx, [ebx+usb_pipe.NextVirt] |
| mov eax, [ebx+usb_pipe.PrevVirt] |
| mov [edx+usb_pipe.PrevVirt], eax |
| mov [eax+usb_pipe.NextVirt], edx |
| mov edx, [ebx+ohci_pipe.NextED-sizeof.ohci_pipe] |
| mov [eax+ohci_pipe.NextED-sizeof.ohci_pipe], edx |
| ret |
| endp |
| |
| ; This procedure temporarily removes the given pipe from hardware queue, |
| ; keeping it in software lists. |
| ; esi -> usb_controller, ebx -> usb_pipe |
| proc ohci_disable_pipe |
| mov eax, [ebx+ohci_pipe.NextED-sizeof.ohci_pipe] |
| mov edx, [ebx+usb_pipe.PrevVirt] |
| mov [edx+ohci_pipe.NextED-sizeof.ohci_pipe], eax |
| ret |
| endp |
| |
| ; This procedure reinserts the given pipe from hardware queue |
| ; after ehci_disable_pipe, with clearing transfer queue. |
| ; esi -> usb_controller, ebx -> usb_pipe |
| ; edx -> current descriptor, eax -> new last descriptor |
| proc ohci_enable_pipe |
| sub eax, sizeof.ohci_gtd |
| invoke GetPhysAddr |
| mov edx, [ebx+ohci_pipe.HeadP-sizeof.ohci_pipe] |
| and edx, 2 |
| or eax, edx |
| mov [ebx+ohci_pipe.HeadP-sizeof.ohci_pipe], eax |
| lea eax, [ebx-sizeof.ohci_pipe] |
| invoke GetPhysAddr |
| mov edx, [ebx+usb_pipe.PrevVirt] |
| mov ecx, [edx+ohci_pipe.NextED-sizeof.ohci_pipe] |
| mov [ebx+ohci_pipe.NextED-sizeof.ohci_pipe], ecx |
| mov [edx+ohci_pipe.NextED-sizeof.ohci_pipe], eax |
| ret |
| endp |
| |
| ; Allocates one endpoint structure for OHCI. |
| ; Returns pointer to software part (usb_pipe) in eax. |
| proc ohci_alloc_pipe |