0,0 → 1,1440 |
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
;; ;; |
;; Copyright (C) KolibriOS team 2004-2009. All rights reserved. ;; |
;; Distributed under terms of the GNU General Public License ;; |
;; ;; |
;; Ethernet driver for KolibriOS ;; |
;; This is an adaptation of MenuetOS driver with minimal changes. ;; |
;; Changes were made by CleverMouse. Original copyright follows. ;; |
;; ;; |
;; This driver is based on the SIS900 driver from ;; |
;; the etherboot 5.0.6 project. The copyright statement is ;; |
;; ;; |
;; GNU GENERAL PUBLIC LICENSE ;; |
;; Version 2, June 1991 ;; |
;; ;; |
;; remaining parts Copyright 2004 Jason Delozier, ;; |
;; cordata51@hotmail.com ;; |
;; ;; |
;; See file COPYING for details ;; |
;; ;; |
;; Updates: ;; |
;; Revision Look up table and SIS635 Mac Address by Jarek Pelczar ;; |
;; ;; |
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
|
; $Revision$ |
|
format MS COFF |
|
API_VERSION equ 0x01000100 |
|
DEBUG equ 1 |
__DEBUG__ equ 1 |
__DEBUG_LEVEL__ equ 1 |
|
include 'proc32.inc' |
include 'imports.inc' |
include 'fdo.inc' |
|
public START |
public version |
|
struc IOCTL { |
.handle dd ? |
.io_code dd ? |
.input dd ? |
.inp_size dd ? |
.output dd ? |
.out_size dd ? |
} |
|
virtual at 0 |
IOCTL IOCTL |
end virtual |
|
NUM_RX_DESC equ 4 ;* Number of RX descriptors * |
NUM_TX_DESC equ 1 ;* Number of TX descriptors * |
RX_BUFF_SZ equ 1520 ;* Buffer size for each Rx buffer * |
TX_BUFF_SZ equ 1516 ;* Buffer size for each Tx buffer * |
MAX_ETH_FRAME_SIZE equ 1516 |
|
TOTAL_BUFFERS_SIZE equ NUM_RX_DESC*RX_BUFF_SZ + NUM_TX_DESC*TX_BUFF_SZ |
|
struc ETH_DEVICE { |
; pointers to procedures |
.unload dd ? |
.reset dd ? |
.transmit dd ? |
.set_MAC dd ? |
.get_MAC dd ? |
.set_mode dd ? |
.get_mode dd ? |
; status & variables |
.bytes_tx dq ? |
.bytes_rx dq ? |
.packets_tx dd ? |
.packets_rx dd ? |
.mode dd ? ; This dword contains cable status (10mbit/100mbit, full/half duplex, auto negotiation or not,..) |
.name dd ? |
.mac dp ? |
; device specific |
.io_addr dd ? |
.pci_bus db ? |
.pci_dev db ? |
.irq_line db ? |
.cur_rx db ? |
.pci_revision db ? |
.table_entries: db ? |
align 4 |
.special_func: dd 0 |
.txd: times (3 * NUM_TX_DESC) dd 0 |
.rxd: times (3 * NUM_RX_DESC) dd 0 |
.size: |
} |
|
; First page is designated to ETH_DEVICE, buffers start from second |
ALLOCATION_SIZE = ((device.size+0FFFh) and not 0FFFh) + TOTAL_BUFFERS_SIZE |
; Note that buffers must be contiguous in the physical memory; |
; because KernelAlloc allocates contiguous physical pages only in 8-pages blocks, |
; align ALLOCATION_SIZE up to 8*(page size) = 8000h |
ALLOCATION_SIZE = (ALLOCATION_SIZE + 7FFFh) and not 7FFFh |
|
MAX_DEVICES = 16 ; maximum number of devices which this driver can handle |
|
virtual at 0 |
device ETH_DEVICE |
end virtual |
|
PCI_HEADER_TYPE equ 0x0e ;8 bit |
PCI_BASE_ADDRESS_0 equ 0x10 ;32 bit |
PCI_BASE_ADDRESS_5 equ 0x24 ;32 bits |
PCI_BASE_ADDRESS_SPACE_IO equ 0x01 |
PCI_VENDOR_ID equ 0x00 ;16 bit |
PCI_BASE_ADDRESS_IO_MASK equ 0xFFFFFFFC |
|
section '.flat' code readable align 16 |
|
; Driver entry point - register our service when the driver is loading. |
; TODO: add needed operations when unloading |
START: |
cmp dword [esp+4], 1 |
jne .exit |
stdcall RegService, my_service, service_proc |
ret 4 |
.exit: |
xor eax, eax |
ret 4 |
|
; Service procedure for the driver - handle all I/O requests for the driver. |
; Currently handled requests are: SRV_GETVERSION = 0 and SRV_HOOK = 1. |
service_proc: |
; 1. Get parameter from the stack: [esp+4] is the first parameter, |
; pointer to IOCTL structure. |
mov edx, [esp+4] ; edx -> IOCTL |
; 2. Get request code and select a handler for the code. |
mov eax, [ebx+IOCTL.io_code] |
test eax, eax ; check for SRV_GETVERSION |
jnz @f |
; 3. This is SRV_GETVERSION request, no input, 4 bytes output, API_VERSION. |
; 3a. Output size must be at least 4 bytes. |
cmp [edx+IOCTL.out_size], 4 |
jl .fail |
; 3b. Write result to the output buffer. |
mov eax, [edx+IOCTL.output] |
mov [eax], dword API_VERSION |
; 3c. Return success. |
xor eax, eax |
ret 4 |
@@: |
dec eax ; check for SRV_HOOK |
jnz .fail |
; 4. This is SRV_HOOK request, input defines the device to hook, no output. |
; 4a. The driver works only with PCI devices, |
; so input must be at least 3 bytes long. |
cmp [edx + IOCTL.inp_size], 3 |
jl .fail |
; 4b. First byte of input is bus type, 1 stands for PCI. |
mov eax, [edx + IOCTL.input] |
cmp byte [eax], 1 |
jne .fail |
; 4c. Second and third bytes of the input define the device: bus and dev. |
; Word in bx holds both bytes. |
mov bx, [eax+1] |
; 4d. Check if the device was already hooked, |
; scan through the list of known devices. |
mov esi, DEV_LIST |
mov ecx, [NUM_DEV] |
test ecx, ecx |
jz .firstdevice |
.nextdevice: |
lodsd |
cmp bx, word [eax + device.pci_bus] |
je .find_devicenum |
loop .nextdevice |
; 4e. This device doesn't have its own eth_device structure yet, let's create one |
.firstdevice: |
; 4f. Check that we have place for new device. |
cmp [NUM_DEV], MAX_DEVICES |
jge .fail |
; 4g. Allocate memory for device descriptor and receive+transmit buffers. |
stdcall KernelAlloc, ALLOCATION_SIZE |
test eax, eax |
jz .fail |
; 4h. Zero the structure. |
push eax |
mov edi, eax |
mov ecx, (device.size + 3) shr 2 |
xor eax, eax |
rep stosd |
pop eax |
; 4i. Save PCI coordinates, loaded to bx at 4c. |
mov word [eax+device.pci_bus], bx |
mov ebx, eax ; ebx is always used as a pointer to the structure (in driver, but also in kernel code) |
; 4j. Fill in the direct call addresses into the struct. |
; Note that get_MAC pointer is filled in initialization by SIS900_probe. |
mov dword [ebx+device.reset], sis900_init |
mov dword [ebx+device.transmit], transmit |
; mov dword [ebx+device.get_MAC], read_mac |
mov dword [ebx+device.set_MAC], write_mac |
mov dword [ebx+device.unload], unload |
mov dword [ebx+device.name], my_service |
|
; 4k. Now, it's time to find the base io addres of the PCI device |
; TODO: implement check if bus and dev exist on this machine |
|
mov edx, PCI_BASE_ADDRESS_0 |
.reg_check: |
push edx |
stdcall PciRead16, dword [ebx+device.pci_bus], dword [ebx+device.pci_dev], edx |
pop edx |
test al, PCI_BASE_ADDRESS_SPACE_IO |
jz .inc_reg |
and eax, PCI_BASE_ADDRESS_IO_MASK |
jnz .got_io |
|
.inc_reg: |
add edx, 4 |
cmp edx, PCI_BASE_ADDRESS_5 |
jbe .reg_check |
jmp .fail |
|
.got_io: |
mov [ebx+device.io_addr], eax |
|
; 4l. We've found the io address, find IRQ now |
stdcall PciRead8, dword [ebx+device.pci_bus], dword [ebx+device.pci_dev], 0x3c |
mov byte [ebx+device.irq_line], al |
|
; 4m. Add new device to the list (required for int_handler). |
mov eax, [NUM_DEV] |
mov [DEV_LIST+4*eax], ebx |
inc [NUM_DEV] |
|
; 4m. Ok, the eth_device structure is ready, let's probe the device |
|
call SIS900_probe |
test eax, eax |
jnz .destroy |
; 4n. If device was successfully initialized, register it for the kernel. |
|
call EthRegDev |
cmp eax, -1 |
je .destroy |
|
ret 4 |
|
; 5. If the device was already loaded, find the device number and return it in eax |
|
.find_devicenum: |
mov ebx, eax |
call EthStruc2Dev ; This kernel procedure converts a pointer to device struct in ebx |
; into a device number in edi |
mov eax, edi ; Application wants it in eax instead |
ret 4 |
|
; If an error occured, remove all allocated data and exit (returning -1 in eax) |
|
.destroy: |
dec [NUM_DEV] |
; todo: reset device into virgin state |
|
.err: |
stdcall KernelFree, ebx |
|
|
.fail: |
xor eax, eax |
ret 4 |
|
|
;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;; |
;; ;; |
;; Actual Hardware dependent code starts here ;; |
;; ;; |
;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;; |
|
unload: |
; TODO: (in this particular order) |
; |
; - Stop the device |
; - Detach int handler |
; - Remove device from local list |
; - call unregister function in kernel |
; - Remove all allocated structures and buffers the card used |
|
or eax,-1 |
|
ret |
|
;******************************************************************** |
; Interface |
; SIS900_reset |
; SIS900_probe |
; SIS900_poll |
; SIS900_transmit |
; |
;******************************************************************** |
;******************************************************************** |
; Comments: |
; Known to work with the following SIS900 ethernet cards: |
; - Device ID: 0x0900 Vendor ID: 0x1039 Revision: 0x91 |
; - Device ID: 0x0900 Vendor ID: 0x1039 Revision: 0x90 |
; |
; If your card is not listed, try it and let me know if it |
; functions properly and it will be aded to the list. If not |
; we may be able to add support for it. |
; |
; ToDo: |
; - Enable MII interface for reading speed |
; and duplex settings. |
; |
; - Update Poll routine to support packet fragmentation. |
; |
; - Add additional support for other sis900 based cards |
; |
;******************************************************************** |
|
; comment the next line out if you don't want debug info printed |
; on the debug board. This option adds a lot of bytes to the driver |
; so it's worth to comment it out. |
; SIS900_DEBUG equ 1 |
|
SIS900_ETH_ALEN equ 6 ;* Size of Ethernet address * |
SIS900_ETH_HLEN equ 14 ;* Size of ethernet header * |
SIS900_ETH_ZLEN equ 60 ;* Minimum packet length * |
SIS900_DSIZE equ 0x00000fff |
SIS900_CRC_SIZE equ 4 |
SIS900_RFADDR_shift equ 16 |
;SIS900 Symbolic offsets to registers. |
SIS900_cr equ 0x0 ; Command Register |
SIS900_cfg equ 0x4 ; Configuration Register |
SIS900_mear equ 0x8 ; EEPROM Access Register |
SIS900_ptscr equ 0xc ; PCI Test Control Register |
SIS900_isr equ 0x10 ; Interrupt Status Register |
SIS900_imr equ 0x14 ; Interrupt Mask Register |
SIS900_ier equ 0x18 ; Interrupt Enable Register |
SIS900_epar equ 0x18 ; Enhanced PHY Access Register |
SIS900_txdp equ 0x20 ; Transmit Descriptor Pointer Register |
SIS900_txcfg equ 0x24 ; Transmit Configuration Register |
SIS900_rxdp equ 0x30 ; Receive Descriptor Pointer Register |
SIS900_rxcfg equ 0x34 ; Receive Configuration Register |
SIS900_flctrl equ 0x38 ; Flow Control Register |
SIS900_rxlen equ 0x3c ; Receive Packet Length Register |
SIS900_rfcr equ 0x48 ; Receive Filter Control Register |
SIS900_rfdr equ 0x4C ; Receive Filter Data Register |
SIS900_pmctrl equ 0xB0 ; Power Management Control Register |
SIS900_pmer equ 0xB4 ; Power Management Wake-up Event Register |
;SIS900 Command Register Bits |
SIS900_RELOAD equ 0x00000400 |
SIS900_ACCESSMODE equ 0x00000200 |
SIS900_RESET equ 0x00000100 |
SIS900_SWI equ 0x00000080 |
SIS900_RxRESET equ 0x00000020 |
SIS900_TxRESET equ 0x00000010 |
SIS900_RxDIS equ 0x00000008 |
SIS900_RxENA equ 0x00000004 |
SIS900_TxDIS equ 0x00000002 |
SIS900_TxENA equ 0x00000001 |
;SIS900 Configuration Register Bits |
SIS900_DESCRFMT equ 0x00000100 ; 7016 specific |
SIS900_REQALG equ 0x00000080 |
SIS900_SB equ 0x00000040 |
SIS900_POW equ 0x00000020 |
SIS900_EXD equ 0x00000010 |
SIS900_PESEL equ 0x00000008 |
SIS900_LPM equ 0x00000004 |
SIS900_BEM equ 0x00000001 |
SIS900_RND_CNT equ 0x00000400 |
SIS900_FAIR_BACKOFF equ 0x00000200 |
SIS900_EDB_MASTER_EN equ 0x00002000 |
;SIS900 Eeprom Access Reigster Bits |
SIS900_MDC equ 0x00000040 |
SIS900_MDDIR equ 0x00000020 |
SIS900_MDIO equ 0x00000010 ; 7016 specific |
SIS900_EECS equ 0x00000008 |
SIS900_EECLK equ 0x00000004 |
SIS900_EEDO equ 0x00000002 |
SIS900_EEDI equ 0x00000001 |
;SIS900 TX Configuration Register Bits |
SIS900_ATP equ 0x10000000 ;Automatic Transmit Padding |
SIS900_MLB equ 0x20000000 ;Mac Loopback Enable |
SIS900_HBI equ 0x40000000 ;HeartBeat Ignore (Req for full-dup) |
SIS900_CSI equ 0x80000000 ;CarrierSenseIgnore (Req for full-du |
;SIS900 RX Configuration Register Bits |
SIS900_AJAB equ 0x08000000 ; |
SIS900_ATX equ 0x10000000 ;Accept Transmit Packets |
SIS900_ARP equ 0x40000000 ;accept runt packets (<64bytes) |
SIS900_AEP equ 0x80000000 ;accept error packets |
;SIS900 Interrupt Reigster Bits |
SIS900_WKEVT equ 0x10000000 |
SIS900_TxPAUSEEND equ 0x08000000 |
SIS900_TxPAUSE equ 0x04000000 |
SIS900_TxRCMP equ 0x02000000 |
SIS900_RxRCMP equ 0x01000000 |
SIS900_DPERR equ 0x00800000 |
SIS900_SSERR equ 0x00400000 |
SIS900_RMABT equ 0x00200000 |
SIS900_RTABT equ 0x00100000 |
SIS900_RxSOVR equ 0x00010000 |
SIS900_HIBERR equ 0x00008000 |
SIS900_SWINT equ 0x00001000 |
SIS900_MIBINT equ 0x00000800 |
SIS900_TxURN equ 0x00000400 |
SIS900_TxIDLE equ 0x00000200 |
SIS900_TxERR equ 0x00000100 |
SIS900_TxDESC equ 0x00000080 |
SIS900_TxOK equ 0x00000040 |
SIS900_RxORN equ 0x00000020 |
SIS900_RxIDLE equ 0x00000010 |
SIS900_RxEARLY equ 0x00000008 |
SIS900_RxERR equ 0x00000004 |
SIS900_RxDESC equ 0x00000002 |
SIS900_RxOK equ 0x00000001 |
;SIS900 Interrupt Enable Reigster Bits |
SIS900_IE equ 0x00000001 |
;SIS900 Revision ID |
SIS900B_900_REV equ 0x03 |
SIS630A_900_REV equ 0x80 |
SIS630E_900_REV equ 0x81 |
SIS630S_900_REV equ 0x82 |
SIS630EA1_900_REV equ 0x83 |
SIS630ET_900_REV equ 0x84 |
SIS635A_900_REV equ 0x90 |
SIS900_960_REV equ 0x91 |
;SIS900 Receive Filter Control Register Bits |
SIS900_RFEN equ 0x80000000 |
SIS900_RFAAB equ 0x40000000 |
SIS900_RFAAM equ 0x20000000 |
SIS900_RFAAP equ 0x10000000 |
SIS900_RFPromiscuous equ 0x70000000 |
;SIS900 Reveive Filter Data Mask |
SIS900_RFDAT equ 0x0000FFFF |
;SIS900 Eeprom Address |
SIS900_EEPROMSignature equ 0x00 |
SIS900_EEPROMVendorID equ 0x02 |
SIS900_EEPROMDeviceID equ 0x03 |
SIS900_EEPROMMACAddr equ 0x08 |
SIS900_EEPROMChecksum equ 0x0b |
;The EEPROM commands include the alway-set leading bit. |
;SIS900 Eeprom Command |
SIS900_EEread equ 0x0180 |
SIS900_EEwrite equ 0x0140 |
SIS900_EEerase equ 0x01C0 |
SIS900_EEwriteEnable equ 0x0130 |
SIS900_EEwriteDisable equ 0x0100 |
SIS900_EEeraseAll equ 0x0120 |
SIS900_EEwriteAll equ 0x0110 |
SIS900_EEaddrMask equ 0x013F |
SIS900_EEcmdShift equ 16 |
;For SiS962 or SiS963, request the eeprom software access |
SIS900_EEREQ equ 0x00000400 |
SIS900_EEDONE equ 0x00000200 |
SIS900_EEGNT equ 0x00000100 |
|
SIS900_pci_revision equ ebx+device.pci_revision |
sis900_get_mac_func equ ebx+device.get_MAC |
sis900_special_func equ ebx+device.special_func |
sis900_table_entries equ ebx+device.table_entries |
cur_rx equ ebx+device.cur_rx |
sys_msg_board_str equ SysMsgBoardStr |
;*************************************************************************** |
; Function |
; SIS900_probe |
; Description |
; Searches for an ethernet card, enables it and clears the rx buffer |
; If a card was found, it enables the ethernet -> TCPIP link |
;not done - still need to probe mii transcievers |
;*************************************************************************** |
if defined SIS900_DEBUG |
SIS900_Debug_Str_Unsupported db 'Sorry your card is unsupported ',13,10,0 |
end if |
SIS900_probe: |
;******Wake Up Chip******* |
stdcall PciWrite8, dword [ebx+device.pci_bus], dword [ebx+device.pci_dev], 0x40, 0 |
;*******Set some PCI Settings********* |
call SIS900_adjust_pci_device |
;*****Get Card Revision****** |
stdcall PciRead8, dword [ebx+device.pci_bus], dword [ebx+device.pci_dev], 0x08 |
mov [SIS900_pci_revision], al ;save the revision for later use |
;****** Look up through the sis900_specific_table |
mov esi,sis900_specific_table |
.probe_loop: |
cmp dword [esi],0 ; Check if we reached end of the list |
je .probe_loop_failed |
cmp al,[esi] ; Check if revision is OK |
je .probe_loop_ok |
add esi,12 ; Advance to next entry |
jmp .probe_loop |
.probe_loop_failed: |
jmp SIS900_Probe_Unsupported |
;*********Find Get Mac Function********* |
.probe_loop_ok: |
mov eax,[esi+4] ; Get pointer to "get MAC" function |
mov [sis900_get_mac_func],eax |
mov eax,[esi+8] ; Get pointer to special initialization fn |
mov [sis900_special_func],eax |
;******** Get MAC ******** |
call dword [sis900_get_mac_func] |
;******** Call special initialization fn if requested ******** |
cmp dword [sis900_special_func],0 |
je .no_special_init |
call dword [sis900_special_func] |
.no_special_init: |
;******** Set table entries ******** |
mov al,[SIS900_pci_revision] |
cmp al,SIS635A_900_REV |
jae .ent16 |
cmp al,SIS900B_900_REV |
je .ent16 |
mov byte [sis900_table_entries],8 |
jmp .ent8 |
.ent16: |
mov byte [sis900_table_entries],16 |
.ent8: |
;*******Probe for mii transceiver******* |
;TODO!!********************* |
;*******Initialize Device******* |
call sis900_init |
ret |
|
SIS900_Probe_Unsupported: |
if defined SIS900_DEBUG |
mov esi, SIS900_Debug_Str_Unsupported |
call sys_msg_board_str |
end if |
or eax, -1 |
ret |
;*************************************************************************** |
; Function: sis900_init |
; |
; Description: resets the ethernet controller chip and various |
; data structures required for sending and receiving packets. |
; |
; Arguments: |
; |
; returns: none |
;not done |
;*************************************************************************** |
sis900_init: |
call SIS900_reset ;Done |
call SIS900_init_rxfilter ;Done |
call SIS900_init_txd ;Done |
call SIS900_init_rxd ;Done |
call SIS900_set_rx_mode ;done |
call SIS900_set_tx_mode |
;call SIS900_check_mode |
; enable interrupts on packet receive |
xor eax, eax |
inc eax ; eax = 1 = SIS900_RxOK |
mov edx, [ebx+device.io_addr] |
add edx, SIS900_imr |
out dx, eax |
; globally enable interrupts |
add edx, SIS900_ier-SIS900_imr |
out dx, eax ; eax is still 1 |
xor eax, eax |
ret |
|
;*************************************************************************** |
; Function |
; SIS900_reset |
; Description |
; disables interrupts and soft resets the controller chip |
; |
;done+ |
;*************************************************************************** |
if defined SIS900_DEBUG |
SIS900_Debug_Reset_Failed db 'Reset Failed ',0 |
end if |
SIS900_reset: |
movzx eax, [ebx+device.irq_line] |
stdcall AttachIntHandler, eax, int_handler, 0 |
push ebp |
mov ebp, [ebx+device.io_addr] ; base address |
;******Disable Interrupts and reset Receive Filter******* |
xor eax, eax ; 0 to initialize |
lea edx,[ebp+SIS900_ier] |
out dx, eax ; Write 0 to location |
lea edx,[ebp+SIS900_imr] |
out dx, eax ; Write 0 to location |
lea edx,[ebp+SIS900_rfcr] |
out dx, eax ; Write 0 to location |
;*******Reset Card*********************************************** |
lea edx,[ebp+SIS900_cr] |
in eax, dx ; Get current Command Register |
or eax, SIS900_RESET ; set flags |
or eax, SIS900_RxRESET ; |
or eax, SIS900_TxRESET ; |
out dx, eax ; Write new Command Register |
;*******Wait Loop************************************************ |
push ebx |
lea edx,[ebp+SIS900_isr] |
mov ecx, 0x03000000 ; Status we would like to see from card |
mov ebx, 2001 ; only loop 1000 times |
SIS900_Wait: |
dec ebx ; 1 less loop |
jz SIS900_DoneWait_e ; 1000 times yet? |
in eax, dx ; move interrup status to eax |
and eax, ecx |
xor ecx, eax |
jz SIS900_DoneWait |
jmp SIS900_Wait |
SIS900_DoneWait_e: |
if defined SIS900_DEBUG |
mov esi, SIS900_Debug_Reset_Failed |
call sys_msg_board_str |
end if |
SIS900_DoneWait: |
pop ebx |
;*******Set Configuration Register depending on Card Revision******** |
lea edx,[ebp+SIS900_cfg] |
mov eax, SIS900_PESEL ; Configuration Register Bit |
mov cl, [SIS900_pci_revision] ; card revision |
cmp cl, SIS635A_900_REV |
je SIS900_RevMatch |
cmp cl, SIS900B_900_REV ; Check card revision |
je SIS900_RevMatch |
out dx, eax ; no revision match |
jmp SIS900_Reset_Complete |
SIS900_RevMatch: ; Revision match |
or eax, SIS900_RND_CNT ; Configuration Register Bit |
out dx, eax |
SIS900_Reset_Complete: |
xor eax, eax |
pop ebp |
ret |
|
;*************************************************************************** |
; Function: sis_init_rxfilter |
; |
; Description: sets receive filter address to our MAC address |
; |
; Arguments: |
; |
; returns: |
;done+ |
;*************************************************************************** |
SIS900_init_rxfilter: |
push ebp |
mov ebp, [ebx+device.io_addr] ; base address |
;****Get Receive Filter Control Register ******** |
lea edx,[ebp+SIS900_rfcr] |
in eax, dx ; get register |
push eax |
;****disable packet filtering before setting filter******* |
mov eax, SIS900_RFEN ;move receive filter enable flag |
not eax ;1s complement |
and eax, [esp] ;disable receiver |
out dx, eax ;set receive disabled |
;********load MAC addr to filter data register********* |
xor ecx, ecx |
SIS900_RXINT_Mac_Write: |
;high word of eax tells card which mac byte to write |
mov eax, ecx |
lea edx,[ebp+SIS900_rfcr] |
shl eax, 16 ; |
out dx, eax ; |
lea edx,[ebp+SIS900_rfdr] |
mov ax, word [ebx+device.mac+ecx*2] ; Get Mac ID word |
out dx, ax ; Send Mac ID |
inc cl ; send next word |
cmp cl, 3 ; more to send? |
jne SIS900_RXINT_Mac_Write |
;********enable packet filitering ***** |
pop eax ;old register value |
lea edx,[ebp+SIS900_rfcr] |
or eax, SIS900_RFEN ;enable filtering |
out dx, eax ;set register |
pop ebp |
ret |
|
;*************************************************************************** |
;* |
;* Function: sis_init_txd |
;* |
;* Description: initializes the Tx descriptor |
;* |
;* Arguments: |
;* |
;* returns: |
;*done |
;*************************************************************************** |
SIS900_init_txd: |
;********** initialize TX descriptor ************** |
mov [ebx+device.txd], dword 0 ;put link to next descriptor in link field |
mov [ebx+device.txd+4],dword 0 ;clear status field |
lea eax, [ebx+0x1000] |
call GetPgAddr |
mov [ebx+device.txd+8], eax ;save address to buffer ptr field |
;*************** load Transmit Descriptor Register *************** |
mov edx, [ebx+device.io_addr] ; base address |
add edx, SIS900_txdp ; TX Descriptor Pointer |
add eax, device.txd - 0x1000 ; First Descriptor |
out dx, eax ; move the pointer |
ret |
|
;*************************************************************************** |
;* Function: sis_init_rxd |
;* |
;* Description: initializes the Rx descriptor ring |
;* |
;* Arguments: |
;* |
;* Returns: |
;*done |
;*************************************************************************** |
SIS900_init_rxd: |
xor ecx,ecx |
mov [cur_rx], cl ;Set cuurent rx discriptor to 0 |
mov eax, ebx |
call GetPgAddr |
mov esi, eax |
;******** init RX descriptors ******** |
SIS900_init_rxd_Loop: |
mov edx, ecx ;current descriptor |
imul edx, 12 ; |
mov eax, ecx ;determine next link descriptor |
inc eax ; |
cmp eax, NUM_RX_DESC ; |
jne SIS900_init_rxd_Loop_0 ; |
xor eax, eax ; |
SIS900_init_rxd_Loop_0: ; |
imul eax, 12 ; |
lea eax, [eax+esi+device.rxd] |
mov [ebx+device.rxd+edx], eax ;save link to next descriptor |
mov [ebx+device.rxd+edx+4],dword RX_BUFF_SZ ;status bits init to buf size |
mov eax, ecx ;find where the buf is located |
imul eax,RX_BUFF_SZ ; |
lea eax, [eax+esi+0x1000+NUM_TX_DESC*TX_BUFF_SZ] |
mov [ebx+device.rxd+edx+8], eax ;save buffer pointer |
inc ecx ;next descriptor |
cmp ecx, NUM_RX_DESC ; |
jne SIS900_init_rxd_Loop ; |
;********* load Receive Descriptor Register with address of first |
; descriptor********* |
mov edx, [ebx+device.io_addr] |
add edx, SIS900_rxdp |
lea eax, [esi+device.rxd] |
out dx, eax |
ret |
|
;*************************************************************************** |
;* Function: sis900_set_tx_mode |
;* |
;* Description: |
;* sets the transmit mode to allow for full duplex |
;* |
;* |
;* Arguments: |
;* |
;* Returns: |
;* |
;* Comments: |
;* If you are having problems transmitting packet try changing the |
;* Max DMA Burst, Possible settings are as follows: |
;* 0x00000000 = 512 bytes |
;* 0x00100000 = 4 bytes |
;* 0x00200000 = 8 bytes |
;* 0x00300000 = 16 bytes |
;* 0x00400000 = 32 bytes |
;* 0x00500000 = 64 bytes |
;* 0x00600000 = 128 bytes |
;* 0x00700000 = 256 bytes |
;*************************************************************************** |
SIS900_set_tx_mode: |
push ebp |
mov ebp,[ebx+device.io_addr] |
lea edx,[ebp+SIS900_cr] |
in eax, dx ; Get current Command Register |
or eax, SIS900_TxENA ;Enable Receive |
out dx, eax |
lea edx,[ebp+SIS900_txcfg]; Transmit config Register offset |
mov eax, SIS900_ATP ;allow automatic padding |
or eax, SIS900_HBI ;allow heartbeat ignore |
or eax, SIS900_CSI ;allow carrier sense ignore |
or eax, 0x00600000 ;Max DMA Burst |
or eax, 0x00000100 ;TX Fill Threshold |
or eax, 0x00000020 ;TX Drain Threshold |
out dx, eax |
pop ebp |
ret |
|
;*************************************************************************** |
;* Function: sis900_set_rx_mode |
;* |
;* Description: |
;* sets the receive mode to accept all broadcast packets and packets |
;* with our MAC address, and reject all multicast packets. Also allows |
;* full-duplex |
;* |
;* Arguments: |
;* |
;* Returns: |
;* |
;* Comments: |
;* If you are having problems receiving packet try changing the |
;* Max DMA Burst, Possible settings are as follows: |
;* 0x00000000 = 512 bytes |
;* 0x00100000 = 4 bytes |
;* 0x00200000 = 8 bytes |
;* 0x00300000 = 16 bytes |
;* 0x00400000 = 32 bytes |
;* 0x00500000 = 64 bytes |
;* 0x00600000 = 128 bytes |
;* 0x00700000 = 256 bytes |
;*************************************************************************** |
SIS900_set_rx_mode: |
push ebp |
mov ebp,[ebx+device.io_addr] |
;**************update Multicast Hash Table in Receive Filter |
xor cl, cl |
SIS900_set_rx_mode_Loop: |
mov eax, ecx |
shl eax, 1 |
lea edx,[ebp+SIS900_rfcr] ; Receive Filter Control Reg offset |
mov eax, 4 ;determine table entry |
add al, cl |
shl eax, 16 |
out dx, eax ;tell card which entry to modify |
lea edx,[ebp+SIS900_rfdr] ; Receive Filter Control Reg offset |
mov eax, 0xffff ;entry value |
out dx, ax ;write value to table in card |
inc cl ;next entry |
cmp cl,[sis900_table_entries] ; |
jl SIS900_set_rx_mode_Loop |
;*******Set Receive Filter Control Register************* |
lea edx,[ebp+SIS900_rfcr] ; Receive Filter Control Register offset |
mov eax, SIS900_RFAAB ;accecpt all broadcast packets |
or eax, SIS900_RFAAM ;accept all multicast packets |
or eax, SIS900_RFAAP ;Accept all packets |
or eax, SIS900_RFEN ;enable receiver filter |
out dx, eax |
;******Enable Receiver************ |
lea edx,[ebp+SIS900_cr] ; Command Register offset |
in eax, dx ; Get current Command Register |
or eax, SIS900_RxENA ;Enable Receive |
out dx, eax |
;*********Set |
lea edx,[ebp+SIS900_rxcfg] ; Receive Config Register offset |
mov eax, SIS900_ATX ;Accept Transmit Packets |
; (Req for full-duplex and PMD Loopback) |
or eax, 0x00600000 ;Max DMA Burst |
or eax, 0x00000002 ;RX Drain Threshold, 8X8 bytes or 64bytes |
out dx, eax ; |
pop ebp |
ret |
|
;*************************************************************************** |
; * SIS960_get_mac_addr: - Get MAC address for SiS962 or SiS963 model |
; * @pci_dev: the sis900 pci device |
; * @net_dev: the net device to get address for |
; * |
; * SiS962 or SiS963 model, use EEPROM to store MAC address. And EEPROM |
; * is shared by |
; * LAN and 1394. When access EEPROM, send EEREQ signal to hardware first |
; * and wait for EEGNT. If EEGNT is ON, EEPROM is permitted to be access |
; * by LAN, otherwise is not. After MAC address is read from EEPROM, send |
; * EEDONE signal to refuse EEPROM access by LAN. |
; * The EEPROM map of SiS962 or SiS963 is different to SiS900. |
; * The signature field in SiS962 or SiS963 spec is meaningless. |
; * MAC address is read into @net_dev->dev_addr. |
; *done |
;* |
;* Return 0 is EAX = failure |
;*Done+ |
;*************************************************************************** |
if defined SIS900_DEBUG |
SIS900_Debug_Str_GetMac_Start db 'Attempting to get SIS900 Mac ID: ',13,10,0 |
SIS900_Debug_Str_GetMac_Failed db 'Access to EEprom Failed',13,10,0 |
SIS900_Debug_Str_GetMac_Address db 'Your Mac ID is: ',0 |
SIS900_Debug_Str_GetMac_Address2 db 'Your SIS96x Mac ID is: ',0 |
end if |
SIS960_get_mac_addr: |
push ebp |
mov ebp,[ebx+device.io_addr] |
;**********Send Request for eeprom access********************* |
lea edx,[ebp+SIS900_mear] ; Eeprom access register |
mov eax, SIS900_EEREQ ; Request access to eeprom |
out dx, eax ; Send request |
xor ecx,ecx ; |
;******Loop 4000 times and if access not granted error out***** |
SIS96X_Get_Mac_Wait: |
in eax, dx ;get eeprom status |
and eax, SIS900_EEGNT ;see if eeprom access granted flag is set |
jnz SIS900_Got_EEP_Access ;if it is, go access the eeprom |
inc ecx ;else keep waiting |
cmp ecx, 4000 ;have we tried 4000 times yet? |
jl SIS96X_Get_Mac_Wait ;if not ask again |
xor eax, eax ;return zero in eax indicating failure |
;*******Debug ********************** |
if defined SIS900_DEBUG |
mov esi,SIS900_Debug_Str_GetMac_Failed |
call sys_msg_board_str |
end if |
jmp SIS960_get_mac_addr_done |
;**********EEprom access granted, read MAC from card************* |
SIS900_Got_EEP_Access: |
; zero based so 3-16 bit reads will take place |
mov ecx, 2 |
SIS96x_mac_read_loop: |
mov eax, SIS900_EEPROMMACAddr ;Base Mac Address |
add eax, ecx ;Current Mac Byte Offset |
push ecx |
call sis900_read_eeprom ;try to read 16 bits |
pop ecx |
mov word [ebx+device.mac+ecx*2], ax ;save 16 bits to the MAC ID varible |
dec ecx ;one less word to read |
jns SIS96x_mac_read_loop ;if more read more |
mov eax, 1 ;return non-zero indicating success |
;*******Debug Print MAC ID to debug window********************** |
if defined SIS900_DEBUG |
mov esi,SIS900_Debug_Str_GetMac_Address2 |
call sys_msg_board_str |
lea edx, [ebx+device.mac] |
call Create_Mac_String |
end if |
;**********Tell EEPROM We are Done Accessing It********************* |
SIS960_get_mac_addr_done: |
lea edx,[ebp+SIS900_mear] ; Eeprom access register |
mov eax, SIS900_EEDONE ;tell eeprom we are done |
out dx,eax |
pop ebp |
ret |
;*************************************************************************** |
;* sis900_get_mac_addr: - Get MAC address for stand alone SiS900 model |
;* @pci_dev: the sis900 pci device |
;* @net_dev: the net device to get address for |
;* |
;* Older SiS900 and friends, use EEPROM to store MAC address. |
;* MAC address is read from read_eeprom() into @net_dev->dev_addr. |
;* done/untested |
;*************************************************************************** |
SIS900_get_mac_addr: |
;*******Debug ********************** |
if defined SIS900_DEBUG |
mov esi,SIS900_Debug_Str_GetMac_Start |
call sys_msg_board_str |
end if |
;******** check to see if we have sane EEPROM ******* |
mov eax, SIS900_EEPROMSignature ;Base Eeprom Signature |
call sis900_read_eeprom ;try to read 16 bits |
cmp ax, 0xffff |
je SIS900_Bad_Eeprom |
cmp ax, 0 |
je SIS900_Bad_Eeprom |
;**************Read MacID************** |
; zero based so 3-16 bit reads will take place |
mov ecx, 2 |
SIS900_mac_read_loop: |
mov eax, SIS900_EEPROMMACAddr ;Base Mac Address |
add eax, ecx ;Current Mac Byte Offset |
push ecx |
call sis900_read_eeprom ;try to read 16 bits |
pop ecx |
mov word [ebx+device.mac+ecx*2], ax ;save 16 bits to the MAC ID storage |
dec ecx ;one less word to read |
jns SIS900_mac_read_loop ;if more read more |
mov eax, 1 ;return non-zero indicating success |
;*******Debug Print MAC ID to debug window********************** |
if defined SIS900_DEBUG |
mov esi,SIS900_Debug_Str_GetMac_Address |
call sys_msg_board_str |
lea edx, [ebx+device.mac] |
call Create_Mac_String |
end if |
ret |
|
SIS900_Bad_Eeprom: |
xor eax, eax |
;*******Debug ********************** |
if defined SIS900_DEBUG |
mov esi,SIS900_Debug_Str_GetMac_Failed |
call sys_msg_board_str |
end if |
ret |
;*************************************************************************** |
;* Get_Mac_SIS635_900_REV: - Get MAC address for model 635 |
;* |
;* |
;*************************************************************************** |
Get_Mac_SIS635_900_REV: |
if defined SIS900_DEBUG |
mov esi,SIS900_Debug_Str_GetMac_Start |
call sys_msg_board_str |
end if |
push ebp |
mov ebp,[ebx+device.io_addr] |
lea edx,[ebp+SIS900_rfcr] |
in eax,dx |
mov edi,eax ; EDI=rfcrSave |
lea edx,[ebp+SIS900_cr] |
or eax,SIS900_RELOAD |
out dx,eax |
xor eax,eax |
out dx,eax |
; Disable packet filtering before setting filter |
lea edx,[ebp+SIS900_rfcr] |
mov eax,edi |
and edi,not SIS900_RFEN |
out dx,eax |
; Load MAC to filter data register |
xor ecx,ecx |
lea esi,[ebx+device.mac] |
.get_mac_loop: |
lea edx,[ebp+SIS900_rfcr] |
mov eax,ecx |
shl eax,SIS900_RFADDR_shift |
out dx,eax |
lea edx,[ebp+SIS900_rfdr] |
in eax,dx |
mov [esi],ax |
add esi,2 |
inc ecx |
cmp ecx,3 |
jne .get_mac_loop |
; Enable packet filtering |
;lea edx,[ebp+SIS900_rfcr] |
;mov eax,edi |
;or eax,SIS900_RFEN |
;out dx, eax |
;*******Debug Print MAC ID to debug window********************** |
if defined SIS900_DEBUG |
mov esi,SIS900_Debug_Str_GetMac_Address |
call sys_msg_board_str |
lea edx, [ebx+device.mac] |
call Create_Mac_String |
end if |
pop ebp |
ret |
;*************************************************************************** |
;* Function: sis900_read_eeprom |
;* |
;* Description: reads and returns a given location from EEPROM |
;* |
;* Arguments: eax - location: requested EEPROM location |
;* |
;* Returns: eax : contents of requested EEPROM location |
;* |
; Read Serial EEPROM through EEPROM Access Register, Note that location is |
; in word (16 bits) unit */ |
;done+ |
;*************************************************************************** |
sis900_read_eeprom: |
push esi |
push edx |
push ecx |
push ebx |
push ebp |
mov ebp,[ebx+device.io_addr] |
mov ebx, eax ;location of Mac byte to read |
or ebx, SIS900_EEread ; |
lea edx,[ebp+SIS900_mear] ; Eeprom access register |
xor eax, eax ; start send |
out dx,eax |
call SIS900_Eeprom_Delay_1 |
mov eax, SIS900_EECLK |
out dx, eax |
call SIS900_Eeprom_Delay_1 |
;************ Shift the read command (9) bits out. ********* |
mov cl, 8 ; |
sis900_read_eeprom_Send: |
mov eax, 1 |
shl eax, cl |
and eax, ebx |
jz SIS900_Read_Eeprom_8 |
mov eax, 9 |
jmp SIS900_Read_Eeprom_9 |
SIS900_Read_Eeprom_8: |
mov eax, 8 |
SIS900_Read_Eeprom_9: |
out dx, eax |
call SIS900_Eeprom_Delay_1 |
or eax, SIS900_EECLK |
out dx, eax |
call SIS900_Eeprom_Delay_1 |
cmp cl, 0 |
je sis900_read_eeprom_Send_Done |
dec cl |
jmp sis900_read_eeprom_Send |
;********************* |
sis900_read_eeprom_Send_Done: |
mov eax, SIS900_EECS ; |
out dx, eax |
call SIS900_Eeprom_Delay_1 |
;********** Read 16-bits of data in *************** |
mov cx, 16 ;16 bits to read |
sis900_read_eeprom_Send2: |
mov eax, SIS900_EECS |
out dx, eax |
call SIS900_Eeprom_Delay_1 |
or eax, SIS900_EECLK |
out dx, eax |
call SIS900_Eeprom_Delay_1 |
in eax, dx |
shl ebx, 1 |
and eax, SIS900_EEDO |
jz SIS900_Read_Eeprom_0 |
or ebx, 1 |
SIS900_Read_Eeprom_0: |
dec cx |
jnz sis900_read_eeprom_Send2 |
;************** Terminate the EEPROM access. ************** |
xor eax, eax |
out dx, eax |
call SIS900_Eeprom_Delay_1 |
mov eax, SIS900_EECLK |
out dx, eax |
mov eax, ebx |
and eax, 0x0000ffff ;return only 16 bits |
pop ebp |
pop ebx |
pop ecx |
pop edx |
pop esi |
ret |
;*************************************************************************** |
; Function |
; SIS900_Eeprom_Delay_1 |
; Description |
; |
; |
; |
; |
;*************************************************************************** |
SIS900_Eeprom_Delay_1: |
push eax |
in eax, dx |
pop eax |
ret |
|
write_mac: |
DEBUGF 1,'Setting MAC is not supported for SIS900 card.\n' |
add esp, 6 |
ret |
|
;*************************************************************************** |
; Function |
; int_handler |
; Description |
; handles received IRQs, which signal received packets |
; |
; Currently only supports one descriptor per packet, if packet is fragmented |
; between multiple descriptors you will lose part of the packet |
;*************************************************************************** |
if defined SIS900_DEBUG |
SIS900_Debug_Pull_Packet_good db 'Good Packet Waiting: ',13,10,0 |
SIS900_Debug_Pull_Bad_Packet_Status db 'Bad Packet Waiting: Status',13,10,0 |
SIS900_Debug_Pull_Bad_Packet_Size db 'Bad Packet Waiting: Size',13,10,0 |
end if |
int_handler: |
; find pointer of device which made IRQ occur |
mov esi, DEV_LIST |
mov ecx, [NUM_DEV] |
test ecx, ecx |
jz .nothing |
.nextdevice: |
mov ebx, [esi] |
mov edx, [ebx+device.io_addr] |
add edx, SIS900_isr |
in eax, dx ; note that this clears all interrupts |
test al, SIS900_RxOK |
jnz .got_it |
loop .nextdevice |
.nothing: |
ret |
.got_it: |
;**************Get Status ************** |
movzx eax, [ebx+device.cur_rx] ;find current discriptor |
imul eax, 12 ; |
mov ecx, [ebx+device.rxd+eax+4] ; get receive status |
;**************Check Status ************** |
;Check RX_Status to see if packet is waiting |
test ecx, 0x80000000 |
jnz SIS900_poll_IS_packet |
ret |
;**********There is a packet waiting check it for errors************** |
SIS900_poll_IS_packet: |
test ecx, 0x67C0000 ;see if there are any errors |
jnz SIS900_Poll_Error_Status |
;**************Check size of packet************* |
and ecx, SIS900_DSIZE ;get packet size minus CRC |
cmp ecx, SIS900_CRC_SIZE |
;make sure packet contains data |
jle SIS900_Poll_Error_Size |
;*******Copy Good Packet to receive buffer****** |
sub ecx, SIS900_CRC_SIZE ;dont want crc |
; update statistics |
inc dword [ebx+device.packets_rx] |
add dword [ebx+device.bytes_rx], ecx |
adc dword [ebx+device.bytes_rx+4], 0 |
push ecx |
stdcall KernelAlloc, ecx |
pop ecx |
test eax, eax |
jz int_handler.nothing |
push ebx |
push .return ; return address for EthReceiver |
;**********Continue copying packet**************** |
push ecx eax ; save buffer pointer and size for EthReceiver |
mov edi, eax |
movzx esi, byte [ebx+device.cur_rx] |
imul esi, RX_BUFF_SZ |
lea esi, [esi+ebx+0x1000+NUM_TX_DESC*TX_BUFF_SZ] |
; first copy dword-wise, divide size by 4 |
shr ecx, 2 |
rep movsd ; copy the dwords |
mov ecx, [esp+4] |
and ecx, 3 ; |
rep movsb |
;********Debug, tell user we have a good packet************* |
if defined SIS900_DEBUG |
mov esi, SIS900_Debug_Pull_Packet_good |
call sys_msg_board_str |
end if |
jmp EthReceiver |
.return: |
pop ebx |
jmp SIS900_Poll_Cnt |
;*************Error occured let user know through debug window*********** |
SIS900_Poll_Error_Status: |
if defined SIS900_DEBUG |
mov esi, SIS900_Debug_Pull_Bad_Packet_Status |
call sys_msg_board_str |
end if |
jmp SIS900_Poll_Cnt |
SIS900_Poll_Error_Size: |
if defined SIS900_DEBUG |
mov esi, SIS900_Debug_Pull_Bad_Packet_Size |
call sys_msg_board_str |
end if |
;*************Increment to next available descriptor************** |
SIS900_Poll_Cnt: |
;Reset status, allow ethernet card access to descriptor |
movzx eax, [ebx+device.cur_rx] |
lea eax, [eax*3] |
mov ecx, RX_BUFF_SZ |
mov [ebx+device.rxd+eax*4+4], ecx ; |
inc [ebx+device.cur_rx] ;get next descriptor |
and [ebx+device.cur_rx],NUM_RX_DESC-1 ;only 4 descriptors 0-3 |
;******Enable Receiver************ |
mov edx, [ebx+device.io_addr] |
add edx, SIS900_cr ; Command Register offset |
in eax, dx ; Get current Command Register |
or eax, SIS900_RxENA ;Enable Receive |
out dx, eax |
ret |
;*************************************************************************** |
; Function |
; transmit |
; Description |
; Transmits a packet of data via the ethernet card |
; buffer pointer in [esp] |
; size of buffer in [esp+4] |
; pointer to device structure in ebx |
; |
; only one transmit descriptor is used |
; |
;*************************************************************************** |
if defined SIS900_DEBUG |
SIS900_Debug_Transmit_Packet db 'Transmitting Packet: ',13,10,0 |
SIS900_Debug_Transmit_Packet_Err db 'Transmitting Packet Error: ',13,10,0 |
end if |
str1 db 'Transmitting packet:',13,10,0 |
str2 db ' ',0 |
transmit: |
cmp dword [esp+4], MAX_ETH_FRAME_SIZE |
jg transmit_finish |
cmp dword [esp+4], 60 |
jl transmit_finish |
push ebp |
mov ebp, [ebx+device.io_addr] ; Base Address |
;******** Stop the transmitter ******** |
lea edx,[ebp+SIS900_cr] ; Command Register offset |
in eax, dx ; Get current Command Register |
or eax, SIS900_TxDIS ; Disable Transmitter |
out dx, eax |
;*******load Transmit Descriptor Register ******* |
lea edx,[ebp+SIS900_txdp] |
mov eax, ebx |
call GetPgAddr |
add eax, device.txd |
out dx, eax |
;******* copy packet to descriptor******* |
mov esi, [esp+4] |
lea edi, [ebx+0x1000] |
mov ecx, [esp+8] |
mov edx, ecx |
shr ecx, 2 |
and edx, 3 |
rep movsd |
mov ecx, edx |
rep movsb |
;**************set length tag************** |
mov ecx, [esp+8] ;restore packet size |
and ecx, SIS900_DSIZE ; |
inc [ebx+device.packets_tx] |
add dword [ebx+device.bytes_tx], ecx |
adc dword [ebx+device.bytes_tx+4], 0 |
;**************pad to minimum packet size **************not needed |
;cmp ecx, SIS900_ETH_ZLEN |
;jge SIS900_transmit_Size_Ok |
;push ecx |
;mov ebx, SIS900_ETH_ZLEN |
;sub ebx, ecx |
;mov ecx, ebx |
;rep movsb |
;pop ecx |
SIS900_transmit_Size_Ok: |
or ecx, 0x80000000 ;card owns descriptor |
mov [ebx+device.txd+4], ecx |
if defined SIS900_DEBUG |
mov esi, SIS900_Debug_Transmit_Packet |
call sys_msg_board_str |
end if |
;***************restart the transmitter ******** |
lea edx,[ebp+SIS900_cr] |
in eax, dx ; Get current Command Register |
or eax, SIS900_TxENA ; Enable Transmitter |
out dx, eax |
;****make sure packet transmitted successfully**** |
; mov esi,10 |
; call delay_ms |
mov eax, [ebx+device.txd+4] |
and eax, 0x6200000 |
jz SIS900_transmit_OK |
;**************Tell user there was an error through debug window |
if defined SIS900_DEBUG |
mov esi, SIS900_Debug_Transmit_Packet_Err |
call sys_msg_board_str |
end if |
SIS900_transmit_OK: |
pop ebp |
transmit_finish: |
call KernelFree |
add esp, 4 |
ret |
|
;*************************************************************************** |
;* Function: Create_Mac_String |
;* |
;* Description: Converts the 48 bit value to a string for display |
;* |
;* String Format: XX:XX:XX:XX:XX:XX |
;* |
;* Arguments: node_addr is location of 48 bit MAC ID |
;* |
;* Returns: Prints string to general debug window |
;* |
;* |
;done |
;*************************************************************************** |
if defined SIS900_DEBUG |
|
SIS900_Char_String db '0','1','2','3','4','5','6','7','8','9' |
db 'A','B','C','D','E','F' |
Mac_str_build: times 20 db 0 |
Create_Mac_String: |
pusha |
xor ecx, ecx |
Create_Mac_String_loop: |
mov al,byte [edx+ecx];[node_addr+ecx] |
push eax |
shr eax, 4 |
and eax, 0x0f |
mov bl, byte [SIS900_Char_String+eax] |
mov [Mac_str_build+ecx*3], bl |
pop eax |
and eax, 0x0f |
mov bl, byte [SIS900_Char_String+eax] |
mov [Mac_str_build+1+ecx*3], bl |
cmp ecx, 5 |
je Create_Mac_String_done |
mov bl, ':' |
mov [Mac_str_build+2+ecx*3], bl |
inc ecx |
jmp Create_Mac_String_loop |
Create_Mac_String_done: ;Insert CR and Zero Terminate |
mov [Mac_str_build+2+ecx*3],byte 13 |
mov [Mac_str_build+3+ecx*3],byte 10 |
mov [Mac_str_build+4+ecx*3],byte 0 |
mov esi, Mac_str_build |
call sys_msg_board_str ;Print String to message board |
popa |
ret |
end if |
;*************************************************************************** |
;* Set device to be a busmaster in case BIOS neglected to do so. |
;* Also adjust PCI latency timer to a reasonable value, 64. |
;*************************************************************************** |
SIS900_adjust_pci_device: |
;*******Get current setting************************ |
stdcall PciRead16, dword [ebx+device.pci_bus], dword [ebx+device.pci_dev], 0x04 |
;******see if its already set as bus master******** |
mov cx, ax |
and cx,5 |
cmp cx,5 |
je SIS900_adjust_pci_device_Latency |
;******Make card a bus master******* |
mov cx, ax ;value to write |
or cx,5 |
stdcall PciWrite16, dword [ebx+device.pci_bus], dword [ebx+device.pci_dev], 0x04, ecx |
;******Check latency setting*********** |
SIS900_adjust_pci_device_Latency: |
;*******Get current latency setting************************ |
stdcall PciRead8, dword [ebx+device.pci_bus], dword [ebx+device.pci_dev], 0x0D |
;******see if its aat least 64 clocks******** |
cmp al,64 |
jge SIS900_adjust_pci_device_Done |
;******Set latency to 32 clocks******* |
stdcall PciWrite8, dword [ebx+device.pci_bus], dword [ebx+device.pci_dev], 0x0D, 64 |
;******Check latency setting*********** |
SIS900_adjust_pci_device_Done: |
ret |
|
; End of code |
|
align 4 ; Place all initialised data here |
|
NUM_DEV dd 0 |
|
sis900_specific_table: |
; dd SIS630A_900_REV,Get_Mac_SIS630A_900_REV,0 |
; dd SIS630E_900_REV,Get_Mac_SIS630E_900_REV,0 |
dd SIS630S_900_REV,Get_Mac_SIS635_900_REV,0 |
dd SIS630EA1_900_REV,Get_Mac_SIS635_900_REV,0 |
dd SIS630ET_900_REV,Get_Mac_SIS635_900_REV,0;SIS630ET_900_REV_SpecialFN |
dd SIS635A_900_REV,Get_Mac_SIS635_900_REV,0 |
dd SIS900_960_REV,SIS960_get_mac_addr,0 |
dd SIS900B_900_REV,SIS900_get_mac_addr,0 |
dd 0,0,0,0 ; end of list |
|
version dd (5 shl 16) or (API_VERSION and 0xFFFF) |
my_service db 'SIS900',0 ; max 16 chars include zero |
|
include_debug_strings ; All data wich FDO uses will be included here |
|
section '.data' data readable writable align 16 ; place all uninitialized data place here |
|
DEV_LIST rd MAX_DEVICES ; This list contains all pointers to device structures the driver is handling |
|
Property changes: |
Added: svn:keywords |
+Rev |
\ No newline at end of property |
Added: svn:mergeinfo |