mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-24 07:36:48 +03:00
436 lines
9.9 KiB
NASM
436 lines
9.9 KiB
NASM
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
;; ;;
|
|
;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;;
|
|
;; Distributed under terms of the GNU General Public License ;;
|
|
;; ;;
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
|
;driver sceletone
|
|
|
|
format MS COFF
|
|
|
|
API_VERSION equ 0 ;debug
|
|
|
|
include '../proc32.inc'
|
|
include '../imports.inc'
|
|
include 'urb.inc'
|
|
|
|
struc UHCI
|
|
{
|
|
.bus dd ?
|
|
.devfn dd ?
|
|
.io_base dd ?
|
|
.mm_base dd ?
|
|
.irq dd ?
|
|
.flags dd ?
|
|
.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:
|
|
}
|
|
|
|
virtual at 0
|
|
UHCI UHCI
|
|
end virtual
|
|
|
|
struc IOCTL
|
|
{ .handle dd ?
|
|
.io_code dd ?
|
|
.input dd ?
|
|
.inp_size dd ?
|
|
.output dd ?
|
|
.out_size dd ?
|
|
}
|
|
|
|
virtual at 0
|
|
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
|
|
|
|
DEBUG equ 1
|
|
|
|
DRV_ENTRY equ 1
|
|
DRV_EXIT equ -1
|
|
STRIDE equ 4 ;size of row in devices table
|
|
|
|
SRV_GETVERSION equ 0
|
|
|
|
section '.flat' code readable align 16
|
|
|
|
proc START stdcall, state:dword
|
|
|
|
cmp [state], 1
|
|
jne .exit
|
|
.entry:
|
|
|
|
if DEBUG
|
|
mov esi, msgInit
|
|
call SysMsgBoardStr
|
|
end if
|
|
|
|
call init
|
|
|
|
stdcall RegService, my_service, service_proc
|
|
ret
|
|
.fail:
|
|
.exit:
|
|
xor eax, eax
|
|
ret
|
|
endp
|
|
|
|
handle equ IOCTL.handle
|
|
io_code equ IOCTL.io_code
|
|
input equ IOCTL.input
|
|
inp_size equ IOCTL.inp_size
|
|
output equ IOCTL.output
|
|
out_size equ IOCTL.out_size
|
|
|
|
align 4
|
|
proc service_proc stdcall, ioctl:dword
|
|
|
|
mov ebx, [ioctl]
|
|
mov eax, [ebx+io_code]
|
|
cmp eax, SRV_GETVERSION
|
|
jne @F
|
|
|
|
mov eax, [ebx+output]
|
|
cmp [ebx+out_size], 4
|
|
jne .fail
|
|
mov [eax], dword API_VERSION
|
|
xor eax, eax
|
|
ret
|
|
@@:
|
|
.fail:
|
|
or eax, -1
|
|
ret
|
|
endp
|
|
|
|
restore handle
|
|
restore io_code
|
|
restore input
|
|
restore inp_size
|
|
restore output
|
|
restore out_size
|
|
|
|
align 4
|
|
proc detect
|
|
locals
|
|
last_bus dd ?
|
|
bus dd ?
|
|
devfn dd ?
|
|
endl
|
|
|
|
xor eax, eax
|
|
mov [bus], eax
|
|
inc eax
|
|
call PciApi
|
|
cmp eax, -1
|
|
je .err
|
|
|
|
mov [last_bus], eax
|
|
|
|
.next_bus:
|
|
and [devfn], 0
|
|
.next_dev:
|
|
stdcall PciRead32, [bus], [devfn], dword 0
|
|
test eax, eax
|
|
jz .next
|
|
cmp eax, -1
|
|
je .next
|
|
|
|
mov edi, devices
|
|
@@:
|
|
mov ebx, [edi]
|
|
test ebx, ebx
|
|
jz .next
|
|
|
|
cmp eax, ebx
|
|
je .found
|
|
|
|
add edi, STRIDE
|
|
jmp @B
|
|
.next:
|
|
inc [devfn]
|
|
cmp [devfn], 256
|
|
jb .next_dev
|
|
mov eax, [bus]
|
|
inc eax
|
|
mov [bus], eax
|
|
cmp eax, [last_bus]
|
|
jna .next_bus
|
|
xor eax, eax
|
|
ret
|
|
.found:
|
|
mov eax, UHCI.sizeof
|
|
call Kmalloc
|
|
test eax, eax
|
|
jz .mem_fail
|
|
|
|
mov ebx, [bus]
|
|
mov [eax+UHCI.bus], ebx
|
|
|
|
mov ecx, [devfn]
|
|
mov [eax+UHCI.devfn], ecx
|
|
ret
|
|
.mem_fail:
|
|
if DEBUG
|
|
mov esi, msgMemFail
|
|
call SysMsgBoardStr
|
|
end if
|
|
.err:
|
|
xor eax, eax
|
|
ret
|
|
endp
|
|
|
|
PCI_BASE equ 0x20
|
|
USB_LEGKEY equ 0xC0
|
|
|
|
align 4
|
|
proc init
|
|
locals
|
|
uhci dd ?
|
|
endl
|
|
|
|
call detect
|
|
test eax, eax
|
|
jz .fail
|
|
|
|
mov [uhci], eax
|
|
|
|
stdcall PciRead32, [eax+UHCI.bus], [eax+UHCI.devfn], PCI_BASE
|
|
and eax, 0xFFC0
|
|
mov esi, [uhci]
|
|
mov [esi+UHCI.io_base], eax
|
|
|
|
stdcall uhci_reset, esi
|
|
|
|
stdcall finish_reset, [uhci]
|
|
|
|
.fail:
|
|
if DEBUG
|
|
mov esi, msgDevNotFound
|
|
call SysMsgBoardStr
|
|
end if
|
|
ret
|
|
endp
|
|
|
|
UHCI_USBINTR equ 4 ; interrupt register
|
|
|
|
UHCI_USBLEGSUP_RWC equ 0x8f00 ; the R/WC bits
|
|
UHCI_USBLEGSUP_RO equ 0x5040 ; R/O and reserved bits
|
|
|
|
UHCI_USBCMD_RUN equ 0x0001 ; RUN/STOP bit
|
|
UHCI_USBCMD_HCRESET equ 0x0002 ; Host Controller reset
|
|
UHCI_USBCMD_EGSM equ 0x0008 ; Global Suspend Mode
|
|
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)
|
|
jnz .reset
|
|
|
|
mov edx, [esi+UHCI.io_base]
|
|
in ax, dx
|
|
test ax, UHCI_USBCMD_RUN
|
|
jnz .reset
|
|
|
|
test ax, UHCI_USBCMD_CONFIGURE
|
|
jz .reset
|
|
|
|
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
|
|
|
|
mov edx, [esi+UHCI.io_base]
|
|
mov ax, UHCI_USBCMD_HCRESET
|
|
out dx, ax
|
|
|
|
xor eax, eax
|
|
out dx, ax
|
|
add edx, UHCI_USBINTR
|
|
out dx, ax
|
|
ret
|
|
endp
|
|
|
|
proc finish_reset stdcall, uhci:dword
|
|
|
|
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
|
|
|
|
|
|
align 4
|
|
proc usb_get_descriptor stdcall, dev:dword, type:dword, index:dword,\
|
|
buf:dword, size:dword
|
|
|
|
locals
|
|
count dd ?
|
|
endl
|
|
|
|
mov esi, [buf]
|
|
mov ecx, [size]
|
|
xor eax, eax
|
|
cld
|
|
rep stosb
|
|
|
|
mov [count], 3
|
|
@@:
|
|
mov eax, [type]
|
|
shl eax, 8
|
|
add eax, [index]
|
|
stdcall usb_control_msg, [dev],pipe,USB_REQ_GET_DESCRIPTOR,\
|
|
USB_DIR_IN, eax,0,[buf], [size],\
|
|
USB_CTRL_GET_TIMEOUT
|
|
test eax, eax
|
|
jz .next
|
|
cmp eax, -1
|
|
je .next
|
|
jmp. ok
|
|
.next:
|
|
dec [count]
|
|
jnz @B
|
|
mov eax, -1
|
|
.ok:
|
|
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)
|
|
|
|
my_service db 'UHCI',0 ;max 16 chars include zero
|
|
|
|
msgInit db 'detect hardware...',13,10,0
|
|
msgPCI db 'PCI accsess not supported',13,10,0
|
|
msgDevNotFound db 'device not found',13,10,0
|
|
msgMemFail db 'Kmalloc failed', 10,10,0
|
|
;msgFail db 'device not found',13,10,0
|
|
|
|
section '.data' data readable writable align 16
|
|
|
|
;all uninitialized data place here
|
|
|