14,9 → 14,6 |
include '../proc32.inc' |
include '../imports.inc' |
|
OS_BASE equ 0x80000000 |
SLOT_BASE equ OS_BASE+0x0080000 |
|
struc UHCI |
{ |
.bus dd ? |
28,6 → 25,14 |
.reset dd ? |
.start dd ? |
.stop dd ? |
|
.port_c_suspend dd ? |
.resuming_ports dd ? |
.rh_state dd ? |
.rh_numports dd ? |
.is_stopped dd ? |
.dead dd ? |
|
.sizeof: |
} |
|
48,6 → 53,24 |
IOCTL IOCTL |
end virtual |
|
struc TD ;transfer descriptor |
{ |
.link dd ? |
.status dd ? |
.token dd ? |
.buffer dd ? |
|
.addr dd ? |
.frame dd ? |
.fd dd ? |
.bk dd ? |
.sizeof: |
} |
|
virtual at 0 |
TD TD |
end virtual |
|
public START |
public service_proc |
public version |
209,6 → 232,7 |
|
stdcall uhci_reset, esi |
|
stdcall finish_reset, [uhci] |
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.fail: |
if DEBUG |
229,10 → 253,28 |
UHCI_USBCMD_CONFIGURE equ 0x0040 ; Config Flag |
UHCI_USBINTR_RESUME equ 0x0002 ; Resume interrupt enable |
|
PORTSC0 equ 0x10 |
PORTSC1 equ 0x12 |
|
|
UHCI_RH_RESET equ 0 |
UHCI_RH_SUSPENDED equ 1 |
UHCI_RH_AUTO_STOPPED equ 2 |
UHCI_RH_RESUMING equ 3 |
|
; In this state the HC changes from running to halted |
; so it can legally appear either way. |
UHCI_RH_SUSPENDING equ 4 |
|
; In the following states it's an error if the HC is halted. |
; These two must come last. |
UHCI_RH_RUNNING equ 5 ; The normal state |
UHCI_RH_RUNNING_NODEVS equ 6 ; Running with no devices |
|
UHCI_IS_STOPPED equ 9999 |
|
align 4 |
proc uhci_reset stdcall, uhci:dword |
|
mov esi, [uhci] |
stdcall PciRead16, [esi+UHCI.bus], [esi+UHCI.devfn], USB_LEGKEY |
test eax, not (UHCI_USBLEGSUP_RO or UHCI_USBLEGSUP_RWC) |
248,6 → 290,11 |
|
test ax, UHCI_USBCMD_EGSM |
jz .reset |
|
add edx, UHCI_USBINTR |
in ax, dx |
test ax, not UHCI_USBINTR_RESUME |
jnz .reset |
ret |
.reset: |
stdcall PciWrite16, [esi+UHCI.bus], [esi+UHCI.devfn], USB_LEGKEY, UHCI_USBLEGSUP_RWC |
263,15 → 310,76 |
ret |
endp |
|
proc finish_reset stdcall, uhci:dword |
|
DEVICE_ID equ 0x8086; pci device id |
VENDOR_ID equ 0x24D4; device vendor id |
mov esi, [uhci] |
mov edx, [esi+UHCI.io_base] |
add edx, PORTSC0 |
xor eax, eax |
out dx, ax |
add edx, (PORTSC1-PORTSC0) |
out dx, ax |
|
mov [esi+UHCI.port_c_suspend], eax |
mov [esi+UHCI.resuming_ports], eax |
mov [esi+UHCI.rh_state], UHCI_RH_RESET |
mov [esi+UHCI.rh_numports], 2 |
|
mov [esi+UHCI.is_stopped], UHCI_IS_STOPPED |
; mov [ uhci_to_hcd(uhci)->state = HC_STATE_HALT; |
; uhci_to_hcd(uhci)->poll_rh = 0; |
|
mov [esi+UHCI.dead], eax ; Full reset resurrects the controller |
|
ret |
endp |
|
proc insert_td stdcall, td:dword, frame:dword |
|
mov edi, [td] |
mov eax, [frame] |
and eax, -1024 |
mov [edi+TD.frame], eax |
|
mov ebx, [framelist] |
mov edx, [dma_framelist] |
shl eax, 5 |
|
mov ecx, [eax+ebx] |
test ecx, ecx |
jz .empty |
|
mov ecx, [ecx+TD.bk] ;last TD |
|
mov edx, [ecx+TD.fd] |
mov [edi+TD.fd], edx |
mov [edi+TD.bk], ecx |
mov [ecx+TD.fd], edi |
mov [edx+TD.bk], edi |
|
mov eax, [ecx+TD.link] |
mov [edi+TD.link], eax |
mov ebx, [edi+TD.addr] |
mov [ecx+TD.link], ebx |
ret |
.empty: |
mov ecx, [eax+edx] |
mov [edi+TD.link], ecx |
mov [ebx+eax], edi |
mov ecx, [edi+TD.addr] |
mov [eax+edx], ecx |
ret |
endp |
|
DEVICE_ID equ 0x24D2 ; pci device id |
VENDOR_ID equ 0x8086 ; device vendor id |
QEMU_USB equ 0x7020 |
|
;all initialized data place here |
|
align 4 |
devices dd (DEVICE_ID shl 16)+VENDOR_ID |
dd (QEMU_USB shl 16)+VENDOR_ID |
dd 0 ;terminator |
|
version dd (5 shl 16) or (API_VERSION and 0xFFFF) |