0,0 → 1,424 |
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
;; ;; |
;; Copyright (C) KolibriOS team 2004-2014. All rights reserved. ;; |
;; Distributed under terms of the GNU General Public License ;; |
;; ;; |
;; Broadcom NetXtreme 57xx driver for KolibriOS ;; |
;; ;; |
;; ;; |
;; GNU GENERAL PUBLIC LICENSE ;; |
;; Version 2, June 1991 ;; |
;; ;; |
;; Broadcom's programmers's manual for the BCM57xx ;; |
;; http://www.broadcom.com/collateral/pg/57XX-PG105-R.pdf ;; |
;; ;; |
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
|
format PE DLL native |
entry START |
|
CURRENT_API = 0x0200 |
COMPATIBLE_API = 0x0100 |
API_VERSION = (COMPATIBLE_API shl 16) + CURRENT_API |
|
MAX_DEVICES = 16 |
|
__DEBUG__ = 1 |
__DEBUG_LEVEL__ = 2 |
|
section '.flat' readable writable executable |
|
include '../proc32.inc' |
include '../struct.inc' |
include '../macros.inc' |
include '../fdo.inc' |
include '../netdrv_pe.inc' |
|
struct device ETH_DEVICE |
|
mmio_addr dd ? |
pci_bus dd ? |
pci_dev dd ? |
irq_line db ? |
|
cur_tx dd ? |
last_tx dd ? |
|
rb 0x100 - ($ and 0xff) ; align 256 |
rx_desc rd 256/8 |
|
rb 0x100 - ($ and 0xff) ; align 256 |
tx_desc rd 256/8 |
|
ends |
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
;; ;; |
;; proc START ;; |
;; ;; |
;; (standard driver proc) ;; |
;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
|
proc START c, reason:dword, cmdline:dword |
|
cmp [reason], DRV_ENTRY |
jne .fail |
|
DEBUGF 1,"Loading driver\n" |
invoke RegService, my_service, service_proc |
ret |
|
.fail: |
xor eax, eax |
ret |
|
endp |
|
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
;; ;; |
;; proc SERVICE_PROC ;; |
;; ;; |
;; (standard driver proc) ;; |
;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
|
proc service_proc stdcall, ioctl:dword |
|
mov edx, [ioctl] |
mov eax, [edx + IOCTL.io_code] |
|
;------------------------------------------------------ |
|
cmp eax, 0 ;SRV_GETVERSION |
jne @F |
|
cmp [edx + IOCTL.out_size], 4 |
jb .fail |
mov eax, [edx + IOCTL.output] |
mov [eax], dword API_VERSION |
|
xor eax, eax |
ret |
|
;------------------------------------------------------ |
@@: |
cmp eax, 1 ;SRV_HOOK |
jne .fail |
|
cmp [edx + IOCTL.inp_size], 3 ; Data input must be at least 3 bytes |
jb .fail |
|
mov eax, [edx + IOCTL.input] |
cmp byte [eax], 1 ; 1 means device number and bus number (pci) are given |
jne .fail ; other types arent supported for this card yet |
|
; check if the device is already listed |
|
mov esi, device_list |
mov ecx, [devices] |
test ecx, ecx |
jz .firstdevice |
|
; mov eax, [edx + IOCTL.input] ; get the pci bus and device numbers |
mov ax, [eax+1] ; |
.nextdevice: |
mov ebx, [esi] |
cmp al, byte [ebx + device.pci_bus] |
jne .next |
cmp ah, byte [ebx + device.pci_dev] |
je .find_devicenum ; Device is already loaded, let's find it's device number |
.next: |
add esi, 4 |
loop .nextdevice |
|
|
; This device doesnt have its own eth_device structure yet, lets create one |
.firstdevice: |
cmp [devices], MAX_DEVICES ; First check if the driver can handle one more card |
jae .fail |
|
allocate_and_clear ebx, sizeof.device, .fail ; Allocate the buffer for device structure |
|
; Fill in the direct call addresses into the struct |
|
mov [ebx + device.reset], reset |
mov [ebx + device.transmit], transmit |
mov [ebx + device.unload], unload |
mov [ebx + device.name], my_service |
|
; save the pci bus and device numbers |
|
mov eax, [edx + IOCTL.input] |
movzx ecx, byte [eax+1] |
mov [ebx + device.pci_bus], ecx |
movzx ecx, byte [eax+2] |
mov [ebx + device.pci_dev], ecx |
|
; Now, it's time to find the base mmio addres of the PCI device |
|
stdcall PCI_find_mmio32, [ebx + device.pci_bus], [ebx + device.pci_dev] |
|
; Create virtual mapping of the physical memory |
|
push 1Bh ; PG_SW+PG_NOCACHE |
push 10000h ; size of the map |
push eax |
invoke MapIoMem |
mov [ebx + device.mmio_addr], eax |
|
; We've found the mmio address, find IRQ now |
|
invoke PciRead8, [ebx + device.pci_bus], [ebx + device.pci_dev], PCI_header00.interrupt_line |
mov [ebx + device.irq_line], al |
|
DEBUGF 1,"Hooking into device, dev:%x, bus:%x, irq:%x, addr:%x\n",\ |
[ebx + device.pci_dev]:1,[ebx + device.pci_bus]:1,[ebx + device.irq_line]:1,[ebx + device.mmio_addr]:8 |
|
; Ok, the eth_device structure is ready, let's probe the device |
call probe ; this function will output in eax |
test eax, eax |
jnz .err ; If an error occured, exit |
|
mov eax, [devices] ; Add the device structure to our device list |
mov [device_list+4*eax], ebx ; (IRQ handler uses this list to find device) |
inc [devices] ; |
|
mov [ebx + device.type], NET_TYPE_ETH |
invoke NetRegDev |
|
cmp eax, -1 |
je .destroy |
|
ret |
|
; If the device was already loaded, find the device number and return it in eax |
|
.find_devicenum: |
DEBUGF 1,"Trying to find device number of already registered device\n" |
invoke NetPtrToNum ; 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 |
DEBUGF 1,"Kernel says: %u\n", eax |
ret |
|
; If an error occured, remove all allocated data and exit (returning -1 in eax) |
|
.destroy: |
; todo: reset device into virgin state |
|
.err: |
invoke KernelFree, ebx |
|
.fail: |
or eax, -1 |
ret |
|
;------------------------------------------------------ |
endp |
|
|
;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;; |
;; ;; |
;; Actual Hardware dependent code starts here ;; |
;; ;; |
;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;; |
|
unload: |
; TODO: (in this particular order) |
; |
; - Stop the device |
; - Detach int handler |
; - Remove device from local list (device_list) |
; - call unregister function in kernel |
; - Remove all allocated structures and buffers the card used |
|
or eax, -1 |
|
ret |
|
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
;; |
;; probe: enables the device (if it really is BCM57XX) |
;; |
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
|
probe: |
|
DEBUGF 1,"Probe\n" |
|
; Make the device a bus master |
invoke PciRead32, [ebx + device.pci_bus], [ebx + device.pci_dev], PCI_header00.command |
or al, PCI_CMD_MASTER |
invoke PciWrite32, [ebx + device.pci_bus], [ebx + device.pci_dev], PCI_header00.command, eax |
|
|
; TODO: validate the device |
|
|
|
|
reset: |
|
DEBUGF 1,"Reset\n" |
|
movzx eax, [ebx + device.irq_line] |
DEBUGF 1,"Attaching int handler to irq %x\n", eax:1 |
invoke AttachIntHandler, eax, int_handler, ebx |
test eax, eax |
jnz @f |
DEBUGF 1,"\nCould not attach int handler!\n" |
; or eax, -1 |
; ret |
@@: |
|
call read_mac |
|
; Set the mtu, kernel will be able to send now |
mov [ebx + device.mtu], 1514 |
|
; Set link state to unknown |
mov [ebx + device.state], ETH_LINK_UNKNOWN |
|
ret |
|
|
|
|
align 4 |
read_mac: |
|
DEBUGF 1,"Read MAC\n" |
|
mov esi, [ebx + device.mmio_addr] |
lea edi, [ebx + device.mac] |
movsd |
movsw |
|
.mac_ok: |
DEBUGF 1,"MAC = %x-%x-%x-%x-%x-%x\n",\ |
[ebx + device.mac+0]:2,[ebx + device.mac+1]:2,[ebx + device.mac+2]:2,[ebx + device.mac+3]:2,[ebx + device.mac+4]:2,[ebx + device.mac+5]:2 |
|
ret |
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
;; ;; |
;; Transmit ;; |
;; ;; |
;; In: buffer pointer in [esp+4] ;; |
;; size of buffer in [esp+8] ;; |
;; pointer to device structure in ebx ;; |
;; ;; |
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
|
proc transmit stdcall bufferptr, buffersize |
|
pushf |
cli |
|
DEBUGF 1,"Transmitting packet, buffer:%x, size:%u\n", [bufferptr], [buffersize] |
mov eax, [bufferptr] |
DEBUGF 1,"To: %x-%x-%x-%x-%x-%x From: %x-%x-%x-%x-%x-%x Type:%x%x\n",\ |
[eax+00]:2,[eax+01]:2,[eax+02]:2,[eax+03]:2,[eax+04]:2,[eax+05]:2,\ |
[eax+06]:2,[eax+07]:2,[eax+08]:2,[eax+09]:2,[eax+10]:2,[eax+11]:2,\ |
[eax+13]:2,[eax+12]:2 |
|
cmp [buffersize], 1514 |
ja .fail |
cmp [buffersize], 60 |
jb .fail |
|
|
|
|
|
; Update stats |
inc [ebx + device.packets_tx] |
mov eax, [buffersize] |
add dword[ebx + device.bytes_tx], eax |
adc dword[ebx + device.bytes_tx + 4], 0 |
|
DEBUGF 1,"Transmit OK\n" |
popf |
xor eax, eax |
ret |
|
.fail: |
DEBUGF 2,"Transmit failed\n" |
invoke KernelFree, [bufferptr] |
popf |
or eax, -1 |
ret |
|
endp |
|
|
;;;;;;;;;;;;;;;;;;;;;;; |
;; ;; |
;; Interrupt handler ;; |
;; ;; |
;;;;;;;;;;;;;;;;;;;;;;; |
|
align 4 |
int_handler: |
|
push ebx esi edi |
|
DEBUGF 1,"INT\n" |
;------------------------------------------- |
; Find pointer of device wich made IRQ occur |
|
mov ecx, [devices] |
test ecx, ecx |
jz .nothing |
mov esi, device_list |
.nextdevice: |
mov ebx, [esi] |
|
; mov edi, [ebx + device.mmio_addr] |
; mov eax, [edi + REG_ICR] |
test eax, eax |
jnz .got_it |
.continue: |
add esi, 4 |
dec ecx |
jnz .nextdevice |
.nothing: |
pop edi esi ebx |
xor eax, eax |
|
ret |
|
.got_it: |
|
DEBUGF 1,"Device: %x Status: %x ", ebx, eax |
|
pop edi esi ebx |
xor eax, eax |
inc eax |
|
ret |
|
|
|
|
; End of code |
|
data fixups |
end data |
|
include '../peimport.inc' |
|
my_service db 'BCM57XX',0 ; max 16 chars include zero |
|
include_debug_strings ; All data wich FDO uses will be included here |
|
align 4 |
devices dd 0 |
device_list rd MAX_DEVICES ; This list contains all pointers to device structures the driver is handling |
|
|
Property changes: |
Added: svn:eol-style |
+native |
\ No newline at end of property |