| 0,0 → 1,424 |
|---|
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| ;; ;; |
| ;; Copyright (C) KolibriOS team 2004-2013. 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 ;; |
| ;; ;; |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| |
| ; TODO: make better use of the available descriptors |
| |
| format MS COFF |
| |
| API_VERSION = 0x01000100 |
| DRIVER_VERSION = 5 |
| |
| MAX_DEVICES = 16 |
| |
| DEBUG = 1 |
| __DEBUG__ = 1 |
| __DEBUG_LEVEL__ = 2 |
| |
| |
| include '../proc32.inc' |
| include '../imports.inc' |
| include '../fdo.inc' |
| include '../netdrv.inc' |
| |
| public START |
| public service_proc |
| public version |
| |
| |
| virtual at ebx |
| device: |
| ETH_DEVICE |
| |
| .mmio_addr dd ? |
| .pci_bus dd ? |
| .pci_dev dd ? |
| .irq_line db ? |
| |
| .cur_tx dd ? |
| .last_tx dd ? |
| |
| rb 0x100 - (($ - device) and 0xff) |
| .rx_desc rd 256/8 |
| |
| rb 0x100 - (($ - device) and 0xff) |
| .tx_desc rd 256/8 |
| |
| sizeof.device_struct = $ - device |
| |
| end virtual |
| |
| section '.flat' code readable align 16 |
| |
| |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| ;; ;; |
| ;; proc START ;; |
| ;; ;; |
| ;; (standard driver proc) ;; |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| |
| align 4 |
| proc START stdcall, state:dword |
| |
| cmp [state], 1 |
| jne .exit |
| |
| .entry: |
| |
| DEBUGF 2,"Loading %s driver\n", my_service |
| stdcall RegService, my_service, service_proc |
| ret |
| |
| .fail: |
| .exit: |
| xor eax, eax |
| ret |
| |
| endp |
| |
| |
| |
| |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| ;; ;; |
| ;; proc SERVICE_PROC ;; |
| ;; ;; |
| ;; (standard driver proc) ;; |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| |
| align 4 |
| proc service_proc stdcall, ioctl:dword |
| |
| mov edx, [ioctl] |
| mov eax, [IOCTL.io_code] |
| |
| ;------------------------------------------------------ |
| |
| cmp eax, 0 ;SRV_GETVERSION |
| jne @F |
| |
| cmp [IOCTL.out_size], 4 |
| jb .fail |
| mov eax, [IOCTL.output] |
| mov [eax], dword API_VERSION |
| |
| xor eax, eax |
| ret |
| |
| ;------------------------------------------------------ |
| @@: |
| cmp eax, 1 ;SRV_HOOK |
| jne .fail |
| |
| cmp [IOCTL.inp_size], 3 ; Data input must be at least 3 bytes |
| jb .fail |
| |
| mov eax, [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, [IOCTL.input] ; get the pci bus and device numbers |
| mov ax, [eax+1] ; |
| .nextdevice: |
| mov ebx, [esi] |
| cmp al, byte [device.pci_bus] |
| jne .next |
| cmp ah, byte [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_struct, .fail ; Allocate the buffer for device structure |
| |
| ; Fill in the direct call addresses into the struct |
| |
| mov [device.reset], reset |
| mov [device.transmit], transmit |
| mov [device.unload], unload |
| mov [device.name], my_service |
| |
| ; save the pci bus and device numbers |
| |
| mov eax, [IOCTL.input] |
| movzx ecx, byte [eax+1] |
| mov [device.pci_bus], ecx |
| movzx ecx, byte [eax+2] |
| mov [device.pci_dev], ecx |
| |
| ; Now, it's time to find the base mmio addres of the PCI device |
| |
| PCI_find_mmio32 |
| |
| ; Create virtual mapping of the physical memory |
| |
| push 1Bh ; PG_SW+PG_NOCACHE |
| push 10000h ; size of the map |
| push eax |
| call MapIoMem |
| mov [device.mmio_addr], eax |
| |
| ; We've found the mmio address, find IRQ now |
| |
| PCI_find_irq |
| |
| DEBUGF 1,"Hooking into device, dev:%x, bus:%x, irq:%x, addr:%x\n",\ |
| [device.pci_dev]:1,[device.pci_bus]:1,[device.irq_line]:1,[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 [device.type], NET_TYPE_ETH |
| call 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" |
| call 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: |
| stdcall KernelFree, ebx |
| |
| .fail: |
| or eax, -1 |
| ret |
| |
| ;------------------------------------------------------ |
| endp |
| |
| |
| ;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;; |
| ;; ;; |
| ;; Actual Hardware dependent code starts here ;; |
| ;; ;; |
| ;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;; |
| |
| |
| align 4 |
| 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 I8254X) |
| ;; |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| align 4 |
| probe: |
| |
| DEBUGF 1,"Probe\n" |
| |
| PCI_make_bus_master |
| |
| ; TODO: validate the device |
| |
| |
| |
| |
| |
| align 4 |
| reset: |
| |
| DEBUGF 1,"Reset\n" |
| |
| movzx eax, [device.irq_line] |
| DEBUGF 1,"Attaching int handler to irq %x\n", eax:1 |
| stdcall AttachIntHandler, eax, int_handler, dword 0 |
| 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 [device.mtu], 1514 |
| |
| ; Set link state to unknown |
| mov [device.state], ETH_LINK_UNKOWN |
| |
| ret |
| |
| |
| |
| |
| align 4 |
| read_mac: |
| |
| DEBUGF 1,"Read MAC\n" |
| |
| mov esi, [device.mmio_addr] |
| lea edi, [device.mac] |
| movsd |
| movsw |
| |
| .mac_ok: |
| DEBUGF 1,"MAC = %x-%x-%x-%x-%x-%x\n",\ |
| [device.mac+0]:2,[device.mac+1]:2,[device.mac+2]:2,[device.mac+3]:2,[device.mac+4]:2,[device.mac+5]:2 |
| |
| ret |
| |
| |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| ;; ;; |
| ;; Transmit ;; |
| ;; ;; |
| ;; In: buffer pointer in [esp+4] ;; |
| ;; size of buffer in [esp+8] ;; |
| ;; pointer to device structure in ebx ;; |
| ;; ;; |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| align 4 |
| transmit: |
| DEBUGF 2,"\nTransmitting packet, buffer:%x, size:%u\n", [esp+4], [esp+8] |
| mov eax, [esp+4] |
| DEBUGF 2,"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 dword [esp + 8], 1514 |
| ja .fail |
| cmp dword [esp + 8], 60 |
| jb .fail |
| |
| |
| |
| |
| ; Update stats |
| inc [device.packets_tx] |
| mov eax, [esp + 8] |
| add dword [device.bytes_tx], eax |
| adc dword [device.bytes_tx + 4], 0 |
| |
| ret 8 |
| |
| .fail: |
| DEBUGF 1,"Send failed\n" |
| ret 8 |
| |
| |
| ;;;;;;;;;;;;;;;;;;;;;;; |
| ;; ;; |
| ;; Interrupt handler ;; |
| ;; ;; |
| ;;;;;;;;;;;;;;;;;;;;;;; |
| |
| align 4 |
| int_handler: |
| |
| push ebx esi edi |
| |
| DEBUGF 1,"\n%s int\n", my_service |
| ;------------------------------------------- |
| ; 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, [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 |
| |
| section '.data' data readable writable align 16 |
| align 4 |
| |
| devices dd 0 |
| version dd (DRIVER_VERSION shl 16) or (API_VERSION and 0xFFFF) |
| my_service db 'BCM57XX',0 ; max 16 chars include zero |
| |
| include_debug_strings ; All data wich FDO uses will be included here |
| |
| 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 |
|---|