forked from KolibriOS/kolibrios
6f3b0e45fa
Only tested on AR8171 with rev B0 chip. git-svn-id: svn://kolibrios.org@7809 a494cfbc-eb01-0410-851d-a64ba20cac60
1755 lines
48 KiB
NASM
1755 lines
48 KiB
NASM
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Copyright (C) KolibriOS team 2018-2020. All rights reserved. ;;
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;; Distributed under terms of the GNU General Public License ;;
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;; ;;
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;; AR81XX driver for KolibriOS ;;
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;; ;;
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;; based on alx driver from TI-OpenLink ;;
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;; ;;
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;; Written by hidnplayr (hidnplayr@gmail.com) ;;
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;; ;;
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;; GNU GENERAL PUBLIC LICENSE ;;
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;; Version 2, June 1991 ;;
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;; ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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format PE DLL native
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entry START
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CURRENT_API = 0x0200
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COMPATIBLE_API = 0x0100
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API_VERSION = (COMPATIBLE_API shl 16) + CURRENT_API
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MAX_DEVICES = 16
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__DEBUG__ = 1
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__DEBUG_LEVEL__ = 2
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TX_RING_SIZE = 128 ; RING sizes must be a power of 2
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RX_RING_SIZE = 128
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RX_BUFFER_SIZE = 1536
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SMB_TIMER = 400
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IMT = 200
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ITH_TPD = TX_RING_SIZE / 3
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section '.flat' readable writable executable
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include '../proc32.inc'
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include '../struct.inc'
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include '../macros.inc'
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include '../fdo.inc'
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include '../netdrv.inc'
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include 'ar81xx.inc'
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; Transmit Packet Descriptor
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struct alx_tpd
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length dw ?
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vlan_tag dw ?
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word1 dd ?
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addr_l dd ?
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addr_h dd ?
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ends
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; Receive Return Descriptor
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struct alx_rrd
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word0 dd ? ; IP payload cksum + number of RFDs + start index of RFD-ring
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rss_hash dd ?
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word2 dd ? ; VLAN tag + Protocol ID + RSS Q num + RSS Hash algorithm
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word3 dd ? ; Packet length + status
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ends
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; Receive Free Descriptor
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struct alx_rfd
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addr_l dd ?
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addr_h dd ?
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ends
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struct device ETH_DEVICE
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io_addr dd ?
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pci_bus dd ?
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pci_dev dd ?
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irq_line dd ?
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pci_rev dd ?
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chip_rev dd ?
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mmio_addr dd ?
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; dma_chnl dd ?
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max_dma_chnl dd ?
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int_mask dd ?
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rx_ctrl dd ?
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rxq_read_idx dd ?
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rxq_write_idx dd ?
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; rxq_rrd_read_idx dd ?
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txq_read_idx dd ?
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txq_write_idx dd ?
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rb 0x100 - ($ and 0xff) ; align 256
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tpd_ring rb ((TX_RING_SIZE*sizeof.alx_tpd+16) and 0xfffffff0)
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rrd_ring rb ((RX_RING_SIZE*sizeof.alx_rrd+16) and 0xfffffff0)
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rfd_ring rb ((RX_RING_SIZE*sizeof.alx_rfd+16) and 0xfffffff0)
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tpd_ring_virt rd TX_RING_SIZE
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rfd_ring_virt rd RX_RING_SIZE
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ends
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; proc START ;;
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;; ;;
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;; (standard driver proc) ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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proc START c, reason:dword, cmdline:dword
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cmp [reason], DRV_ENTRY
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jne .fail
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DEBUGF 2,"Loading driver\n"
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invoke RegService, my_service, service_proc
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ret
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.fail:
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xor eax, eax
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ret
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endp
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; proc SERVICE_PROC ;;
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;; ;;
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;; (standard driver proc) ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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proc service_proc stdcall, ioctl:dword
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mov edx, [ioctl]
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mov eax, [edx + IOCTL.io_code]
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;------------------------------------------------------
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cmp eax, 0 ;SRV_GETVERSION
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jne @F
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cmp [edx + IOCTL.out_size], 4
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jb .fail
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mov eax, [edx + IOCTL.output]
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mov [eax], dword API_VERSION
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xor eax, eax
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ret
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;------------------------------------------------------
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@@:
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cmp eax, 1 ;SRV_HOOK
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jne .fail
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cmp [edx + IOCTL.inp_size], 3 ; Data input must be at least 3 bytes
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jb .fail
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mov eax, [edx + IOCTL.input]
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cmp byte [eax], 1 ; 1 means device number and bus number (pci) are given
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jne .fail ; other types arent supported for this card yet
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; check if the device is already listed
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mov esi, device_list
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mov ecx, [devices]
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test ecx, ecx
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jz .firstdevice
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; mov eax, [edx + IOCTL.input] ; get the pci bus and device numbers
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mov ax , [eax+1] ;
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.nextdevice:
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mov ebx, [esi]
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cmp al, byte[ebx + device.pci_bus]
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jne @f
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cmp ah, byte[ebx + device.pci_dev]
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je .find_devicenum ; Device is already loaded, let's find it's device number
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@@:
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add esi, 4
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loop .nextdevice
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; This device doesnt have its own eth_device structure yet, lets create one
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.firstdevice:
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cmp [devices], MAX_DEVICES ; First check if the driver can handle one more card
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jae .fail
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allocate_and_clear ebx, sizeof.device, .fail ; Allocate the buffer for device structure
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; Fill in the direct call addresses into the struct
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mov [ebx + device.reset], reset
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mov [ebx + device.transmit], transmit
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mov [ebx + device.unload], unload
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mov [ebx + device.name], my_service
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; save the pci bus and device numbers
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mov eax, [edx + IOCTL.input]
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movzx ecx, byte[eax+1]
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mov [ebx + device.pci_bus], ecx
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movzx ecx, byte[eax+2]
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mov [ebx + device.pci_dev], ecx
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; Now, it's time to find the base mmio addres of the PCI device
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stdcall PCI_find_mmio, [ebx + device.pci_bus], [ebx + device.pci_dev] ; returns in eax
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test eax, eax
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jz .destroy
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; Create virtual mapping of the physical memory
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invoke MapIoMem, eax, 10000h, PG_SW+PG_NOCACHE
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mov [ebx + device.mmio_addr], eax
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; We've found the mmio address, find IRQ now
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invoke PciRead8, [ebx + device.pci_bus], [ebx + device.pci_dev], PCI_header00.interrupt_line
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and eax, 0xff
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mov [ebx + device.irq_line], eax
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DEBUGF 1,"Hooking into device, dev:%x, bus:%x, irq:%x, addr:%x\n",\
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[ebx + device.pci_dev]:1, [ebx + device.pci_bus]:1, [ebx + device.irq_line]:1, [ebx + device.mmio_addr]:8
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; Ok, the eth_device structure is ready, let's probe the device
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mov eax, [devices] ; Add the device structure to our device list
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mov [device_list+4*eax], ebx ; (IRQ handler uses this list to find device)
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inc [devices] ;
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call probe ; this function will output in eax
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test eax, eax
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jnz .err2
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DEBUGF 2,"Initialised OK\n"
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mov [ebx + device.type], NET_TYPE_ETH
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invoke NetRegDev
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cmp eax, -1
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je .destroy
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ret
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; If the device was already loaded, find the device number and return it in eax
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.find_devicenum:
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DEBUGF 2,"Trying to find device number of already registered device\n"
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invoke NetPtrToNum ; This kernel procedure converts a pointer to device struct in ebx
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; into a device number in edi
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mov eax, edi ; Application wants it in eax instead
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DEBUGF 2,"Kernel says: %u\n", eax
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ret
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; If an error occured, remove all allocated data and exit (returning -1 in eax)
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.destroy:
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; todo: reset device into virgin state
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.err2:
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dec [devices]
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.err:
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invoke KernelFree, ebx
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.fail:
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DEBUGF 2, "Failed to load\n"
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or eax, -1
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ret
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;------------------------------------------------------
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endp
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;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;;
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;; ;;
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;; Actual Hardware dependent code starts here ;;
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;; ;;
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;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;;
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align 4
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unload:
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; TODO: (in this particular order)
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;
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; - Stop the device
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; - Detach int handler
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; - Remove device from local list (device_list)
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; - call unregister function in kernel
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; - Remove all allocated structures and buffers the card used
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or eax, -1
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ret
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;
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;; probe: enables the device (if it really is AR81XX)
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;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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align 4
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probe:
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DEBUGF 1,"Probing\n"
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; Make the device a bus master
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invoke PciRead16, [ebx + device.pci_bus], [ebx + device.pci_dev], PCI_header00.command
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or al, PCI_CMD_MASTER + PCI_CMD_MMIO + PCI_CMD_PIO
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and ax, not(PCI_CMD_INTX_DISABLE)
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invoke PciWrite16, [ebx + device.pci_bus], [ebx + device.pci_dev], PCI_header00.command, eax
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; get revision id.
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invoke PciRead8, [ebx + device.pci_bus], [ebx + device.pci_dev], PCI_header00.revision_id
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and eax, 0xff
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mov [ebx + device.pci_rev], eax
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shr al, ALX_PCI_REVID_SHIFT
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mov [ebx + device.chip_rev], eax
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DEBUGF 1,"revision: %u\n", al
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;;; call alx_reset_pcie
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mov ecx, (ALX_PMCTRL_L0S_EN or ALX_PMCTRL_L1_EN or ALX_PMCTRL_ASPM_FCEN)
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call alx_enable_aspm
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call alx_reset_phy
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call alx_reset_mac
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call alx_get_perm_macaddr
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align 4
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reset:
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DEBUGF 1,"Resetting\n"
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; alx init_sw
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call alx_identify_hw
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; mov eax, [ebx + device.max_dma_chnl]
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; mov [ebx + device.dma_chnl], eax
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mov [ebx + device.int_mask], ALX_ISR_MISC
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mov [ebx + device.rx_ctrl], ALX_MAC_CTRL_WOLSPED_SWEN or ALX_MAC_CTRL_MHASH_ALG_HI5B or ALX_MAC_CTRL_BRD_EN or ALX_MAC_CTRL_PCRCE or ALX_MAC_CTRL_CRCE or ALX_MAC_CTRL_RXFC_EN or ALX_MAC_CTRL_TXFC_EN or (7 shl ALX_MAC_CTRL_PRMBLEN_SHIFT)
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call alx_alloc_rings
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call alx_configure
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call alx_request_irq
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; attach interrupt handler
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mov eax, [ebx + device.irq_line]
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DEBUGF 1,"Attaching int handler to irq %x\n", eax:1
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invoke AttachIntHandler, eax, int_handler, ebx
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test eax, eax
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jnz @f
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DEBUGF 2,"Could not attach int handler!\n"
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or eax, -1
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ret
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@@:
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; Clear old interrupts
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mov edi, [ebx + device.mmio_addr]
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mov eax, not ALX_ISR_DIS
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mov [edi + ALX_ISR], eax
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call alx_irq_enable
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; Set the mtu, kernel will be able to send now
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mov [ebx + device.mtu], 1514
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call alx_check_link
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DEBUGF 1,"Reset ok\n"
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xor eax, eax
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ret
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Transmit ;;
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;; ;;
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;; In: pointer to device structure in ebx ;;
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;; ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; alx_start_xmit
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;; alx_map_tx_skb
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proc transmit stdcall bufferptr
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pushf
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cli
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mov esi, [bufferptr]
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DEBUGF 1,"Transmitting packet, buffer:%x, size:%u\n", [bufferptr], [esi + NET_BUFF.length]
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lea eax, [esi + NET_BUFF.data]
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DEBUGF 1,"To: %x-%x-%x-%x-%x-%x From: %x-%x-%x-%x-%x-%x Type:%x%x\n",\
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[eax+00]:2,[eax+01]:2,[eax+02]:2,[eax+03]:2,[eax+04]:2,[eax+05]:2,\
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[eax+06]:2,[eax+07]:2,[eax+08]:2,[eax+09]:2,[eax+10]:2,[eax+11]:2,\
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[eax+13]:2,[eax+12]:2
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cmp [esi + NET_BUFF.length], 1514
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ja .fail
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cmp [esi + NET_BUFF.length], 60
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jb .fail
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; Program the descriptor
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mov edi, [ebx + device.txq_write_idx]
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DEBUGF 1, "Using TPD: %u\n", edi
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mov dword[ebx + device.tpd_ring_virt + edi*4], esi
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shl edi, 4
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lea edi, [ebx + device.tpd_ring + edi]
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mov eax, esi
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add eax, [esi + NET_BUFF.offset]
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invoke GetPhysAddr
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mov [edi + alx_tpd.addr_l], eax
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mov [edi + alx_tpd.addr_h], 0
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mov ecx, [esi + NET_BUFF.length]
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mov [edi + alx_tpd.length], cx
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mov [edi + alx_tpd.word1], 1 shl TPD_EOP_SHIFT
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; Update Producer Index
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mov eax, [ebx + device.txq_write_idx]
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inc eax
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and eax, TX_RING_SIZE - 1
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mov [ebx + device.txq_write_idx], eax
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mov edi, [ebx + device.mmio_addr]
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mov word[edi + ALX_TPD_PRI0_PIDX], ax
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; Update stats
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inc [ebx + device.packets_tx]
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mov eax, [esi + NET_BUFF.length]
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add dword[ebx + device.bytes_tx], eax
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adc dword[ebx + device.bytes_tx + 4], 0
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popf
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xor eax, eax
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ret
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.fail:
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DEBUGF 2,"Send failed\n"
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invoke NetFree, [bufferptr]
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popf
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or eax, -1
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ret
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endp
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;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Interrupt handler ;;
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;; ;;
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;;;;;;;;;;;;;;;;;;;;;;;
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align 4
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int_handler:
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push ebx esi edi
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DEBUGF 1,"int\n"
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; Find pointer of device wich made IRQ occur
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mov ecx, [devices]
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test ecx, ecx
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jz .nothing
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mov esi, device_list
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.nextdevice:
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mov ebx, [esi]
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mov edi, [ebx + device.mmio_addr]
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mov eax, [edi + ALX_ISR]
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test eax, eax
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jnz .got_it
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.continue:
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add esi, 4
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dec ecx
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jnz .nextdevice
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.nothing:
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pop edi esi ebx
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xor eax, eax
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ret ; If no device was found, abort
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; At this point, test for all possible reasons, and handle accordingly
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.got_it:
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or eax, ALX_ISR_DIS
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mov [edi + ALX_ISR], eax ; ACK interrupt
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DEBUGF 1,"Device: %x Status: %x\n", ebx, eax
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test eax, ALX_ISR_TX_Q0
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jz .no_tx
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DEBUGF 1,"TX interrupt\n"
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pusha
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call alx_clean_tx_irq
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popa
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.no_tx:
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test eax, ALX_ISR_RX_Q0
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jz .no_rx
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DEBUGF 1,"RX interrupt\n"
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pusha
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call alx_clean_rx_irq
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popa
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.no_rx:
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test eax, ALX_ISR_PHY
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jz .no_phy
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DEBUGF 1,"PHY interrupt\n"
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pusha
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; TODO: queue link check and disable this interrupt cause meanwhile??
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call alx_check_link
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popa
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.no_phy:
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mov dword[edi + ALX_ISR], 0
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pop edi esi ebx
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ret
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align 16
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alx_identify_hw:
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cmp [ebx + device.chip_rev], ALX_REV_C0
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ja .einval
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mov [ebx + device.max_dma_chnl], 2
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cmp [ebx + device.chip_rev], ALX_REV_B0
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jb @f
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mov [ebx + device.max_dma_chnl], 4
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@@:
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xor eax, eax
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ret
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.einval:
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xor eax, eax
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dec eax
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ret
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|
|
|
|
|
|
|
align 16
|
|
alx_clean_tx_irq:
|
|
|
|
mov eax, [ebx + device.txq_read_idx]
|
|
movzx ecx, word[edi + ALX_TPD_PRI0_CIDX]
|
|
|
|
.loop:
|
|
cmp eax, ecx
|
|
je .done
|
|
|
|
DEBUGF 1,"Cleaning TX desc %u buffer 0x%x\n", eax, [ebx + device.tpd_ring_virt + eax*4]
|
|
push eax ecx
|
|
invoke NetFree, [ebx + device.tpd_ring_virt + eax*4]
|
|
pop ecx eax
|
|
|
|
inc eax
|
|
and eax, TX_RING_SIZE-1
|
|
jmp .loop
|
|
.done:
|
|
mov [ebx + device.txq_read_idx], eax
|
|
|
|
ret
|
|
|
|
|
|
align 16
|
|
alx_clean_rx_irq:
|
|
|
|
mov ecx, [ebx + device.rxq_read_idx]
|
|
.loop:
|
|
shl ecx, 2
|
|
lea esi, [ebx + device.rrd_ring + ecx*4]
|
|
test [esi + alx_rrd.word3], 1 shl RRD_UPDATED_SHIFT
|
|
jz .done
|
|
and [esi + alx_rrd.word3], not(1 shl RRD_UPDATED_SHIFT)
|
|
DEBUGF 1,"RRD=%u updated\n", [ebx + device.rxq_read_idx]
|
|
|
|
mov eax, [esi + alx_rrd.word0]
|
|
shr eax, RRD_SI_SHIFT
|
|
and eax, RRD_SI_MASK
|
|
cmp eax, [ebx + device.rxq_read_idx]
|
|
; jne .error
|
|
DEBUGF 1,"RFD=%u\n", eax
|
|
|
|
mov eax, [esi + alx_rrd.word0]
|
|
shr eax, RRD_NOR_SHIFT
|
|
and eax, RRD_NOR_MASK
|
|
cmp eax, 1
|
|
; jne .error
|
|
|
|
mov eax, [esi + alx_rrd.word3]
|
|
; shr eax, RRD_PKTLEN_SHIFT
|
|
and eax, RRD_PKTLEN_MASK
|
|
sub eax, 4 ;;;;;
|
|
mov edx, [ebx + device.rfd_ring_virt + ecx]
|
|
DEBUGF 1,"Received %u bytes in buffer 0x%x\n", eax, edx
|
|
|
|
mov [edx + NET_BUFF.length], eax
|
|
mov [edx + NET_BUFF.device], ebx
|
|
mov [edx + NET_BUFF.offset], NET_BUFF.data
|
|
|
|
; Update stats
|
|
add dword[ebx + device.bytes_rx], eax
|
|
adc dword[ebx + device.bytes_rx + 4], 0
|
|
inc [ebx + device.packets_rx]
|
|
|
|
; Allocate new descriptor
|
|
push esi ecx edx
|
|
invoke NetAlloc, RX_BUFFER_SIZE+NET_BUFF.data
|
|
pop edx ecx esi
|
|
test eax, eax
|
|
; jz .out_of_mem
|
|
mov [ebx + device.rfd_ring_virt + ecx], eax
|
|
add eax, NET_BUFF.data
|
|
invoke GetPhysAddr
|
|
mov dword[ebx + device.rfd_ring + ecx*2], eax
|
|
|
|
push ecx ebx
|
|
push .retaddr
|
|
push edx
|
|
jmp [EthInput]
|
|
.retaddr:
|
|
pop ebx ecx
|
|
|
|
shr ecx, 2
|
|
inc ecx
|
|
and ecx, RX_RING_SIZE-1
|
|
jmp .loop
|
|
|
|
.done:
|
|
shr ecx, 2
|
|
mov [ebx + device.rxq_read_idx], ecx
|
|
|
|
; Update producer index
|
|
mov esi, [ebx + device.mmio_addr]
|
|
mov [esi + ALX_RFD_PIDX], cx
|
|
|
|
ret
|
|
|
|
|
|
align 16
|
|
; ecx = additional bit flags (ALX_PMCTRL_L0S_EN, ALX_PMCTRL_L1_EN, ALX_PMCTRL_ASPM_FCEN)
|
|
alx_enable_aspm:
|
|
|
|
DEBUGF 1,"alx_enable_aspm (0x%x)\n", ecx
|
|
|
|
mov esi, [ebx + device.mmio_addr]
|
|
mov eax, dword[esi + ALX_PMCTRL]
|
|
|
|
and eax, not(ALX_PMCTRL_LCKDET_TIMER_MASK shl ALX_PMCTRL_LCKDET_TIMER_SHIFT)
|
|
or eax, (ALX_PMCTRL_LCKDET_TIMER_DEF shl ALX_PMCTRL_LCKDET_TIMER_SHIFT)
|
|
|
|
or eax, (ALX_PMCTRL_RCVR_WT_1US or ALX_PMCTRL_L1_CLKSW_EN or ALX_PMCTRL_L1_SRDSRX_PWD)
|
|
|
|
and eax, not(ALX_PMCTRL_L1REQ_TO_MASK shl ALX_PMCTRL_L1REQ_TO_SHIFT)
|
|
or eax, (ALX_PMCTRL_L1REG_TO_DEF shl ALX_PMCTRL_L1REQ_TO_SHIFT)
|
|
|
|
and eax, not(ALX_PMCTRL_L1_TIMER_MASK shl ALX_PMCTRL_L1_TIMER_SHIFT)
|
|
or eax, (ALX_PMCTRL_L1_TIMER_16US shl ALX_PMCTRL_L1_TIMER_SHIFT)
|
|
|
|
and eax, not(ALX_PMCTRL_L1_SRDS_EN or ALX_PMCTRL_L1_SRDSPLL_EN or ALX_PMCTRL_L1_BUFSRX_EN or ALX_PMCTRL_SADLY_EN or ALX_PMCTRL_HOTRST_WTEN or ALX_PMCTRL_L0S_EN or ALX_PMCTRL_L1_EN or ALX_PMCTRL_ASPM_FCEN or ALX_PMCTRL_TXL1_AFTER_L0S or ALX_PMCTRL_RXL1_AFTER_L0S)
|
|
|
|
cmp [ebx + device.chip_rev], ALX_REV_A1
|
|
ja @f
|
|
test [ebx + device.pci_rev], 1
|
|
jz @f
|
|
or eax, ALX_PMCTRL_L1_SRDS_EN or ALX_PMCTRL_L1_SRDSPLL_EN
|
|
@@:
|
|
|
|
or eax, ecx
|
|
mov dword[esi + ALX_PMCTRL], eax
|
|
|
|
ret
|
|
|
|
align 16
|
|
alx_reset_mac:
|
|
|
|
DEBUGF 1, "reset mac\n"
|
|
|
|
; disable all interrupts, RXQ/TXQ
|
|
mov esi, [ebx + device.mmio_addr]
|
|
mov dword[esi + ALX_MSIX_MASK], 0xffffffff
|
|
mov dword[esi + ALX_IMR], 0x0
|
|
mov dword[esi + ALX_ISR], ALX_ISR_DIS
|
|
|
|
call alx_stop_mac
|
|
|
|
; mac reset workaround
|
|
mov dword[esi + ALX_RFD_PIDX], 1
|
|
|
|
; disable l0s/l1 before mac reset on some chips
|
|
cmp [ebx + device.chip_rev], ALX_REV_A1
|
|
ja @f
|
|
test [ebx + device.pci_rev], 1 ; Card reader function? FIXME: according register definitions, this should be bit 1 ISO 0
|
|
jz @f
|
|
mov eax, [esi + ALX_PMCTRL]
|
|
mov edx, eax
|
|
and eax, not(ALX_PMCTRL_L1_EN or ALX_PMCTRL_L0S_EN)
|
|
mov [esi + ALX_PMCTRL], eax
|
|
@@:
|
|
|
|
; reset whole mac safely
|
|
mov eax, [esi + ALX_MASTER]
|
|
or eax, ALX_MASTER_DMA_MAC_RST + ALX_MASTER_OOB_DIS
|
|
mov [esi + ALX_MASTER], eax
|
|
|
|
; make sure it's real idle
|
|
push esi ecx edx
|
|
xor esi, esi
|
|
inc esi
|
|
invoke Sleep ; FIXME
|
|
pop edx ecx esi
|
|
|
|
mov ecx, ALX_DMA_MAC_RST_TO
|
|
.loop1:
|
|
mov eax, dword[esi + ALX_RFD_PIDX]
|
|
test eax, eax
|
|
jz @f
|
|
dec ecx
|
|
jnz .loop1
|
|
jmp .error
|
|
@@:
|
|
.loop2:
|
|
mov eax, dword[esi + ALX_MASTER]
|
|
test eax, ALX_MASTER_DMA_MAC_RST
|
|
jz @f
|
|
dec ecx
|
|
jnz .loop2
|
|
jmp .error
|
|
@@:
|
|
|
|
; restore l0s/l1
|
|
cmp [ebx + device.chip_rev], ALX_REV_A1
|
|
ja @f
|
|
test [ebx + device.pci_rev], 1 ; Card reader function? FIXME: according register definitions, this should be bit 1 ISO 0
|
|
jz @f
|
|
or eax, ALX_MASTER_PCLKSEL_SRDS
|
|
mov [esi + ALX_MASTER], eax
|
|
|
|
mov [esi + ALX_PMCTRL], edx
|
|
@@:
|
|
|
|
call alx_reset_osc
|
|
|
|
; clear Internal OSC settings, switching OSC by hw itself, disable isolate for rev A devices
|
|
|
|
mov eax, [esi + ALX_MISC3]
|
|
and eax, not (ALX_MISC3_25M_BY_SW)
|
|
or eax, ALX_MISC3_25M_NOTO_INTNL
|
|
mov [esi + ALX_MISC3], eax
|
|
|
|
mov eax, [esi + ALX_MISC]
|
|
and eax, not (ALX_MISC_INTNLOSC_OPEN)
|
|
|
|
cmp [ebx + device.chip_rev], ALX_REV_A1
|
|
ja @f
|
|
and eax, not ALX_MISC_ISO_EN
|
|
@@:
|
|
mov [esi + ALX_MISC], eax
|
|
|
|
push esi
|
|
xor esi, esi
|
|
inc esi
|
|
invoke Sleep ;; FIXME: udelay(20);
|
|
pop esi
|
|
|
|
; driver control speed/duplex, hash-alg
|
|
mov eax, [ebx + device.rx_ctrl]
|
|
mov [esi + ALX_MAC_CTRL], eax
|
|
|
|
mov eax, dword[esi + ALX_SERDES]
|
|
or eax, ALX_SERDES_MACCLK_SLWDWN or ALX_SERDES_PHYCLK_SLWDWN
|
|
mov dword[esi + ALX_SERDES], eax
|
|
|
|
DEBUGF 1, "OK\n"
|
|
xor eax, eax
|
|
ret
|
|
|
|
.error:
|
|
DEBUGF 1, "error\n"
|
|
xor eax, eax
|
|
dec eax
|
|
ret
|
|
|
|
|
|
align 16
|
|
alx_reset_phy:
|
|
|
|
DEBUGF 1, "Reset phy\n"
|
|
|
|
mov esi, [ebx + device.mmio_addr]
|
|
|
|
;; TODO
|
|
|
|
; set phy interrupt mask
|
|
stdcall alx_read_phy_reg, 0, ALX_MII_IER
|
|
or eax, ALX_IER_LINK_UP or ALX_IER_LINK_DOWN
|
|
stdcall alx_write_phy_reg, 0, ALX_MII_IER , eax
|
|
|
|
DEBUGF 1, "OK\n"
|
|
xor eax, eax
|
|
ret
|
|
|
|
.error:
|
|
DEBUGF 1, "error\n"
|
|
xor eax, eax
|
|
dec eax
|
|
ret
|
|
|
|
|
|
;align 16
|
|
;alx_enable_osc:
|
|
;
|
|
; mov esi, [ebx + device.mmio_addr]
|
|
;
|
|
;; rising edge
|
|
; mov eax, dword[esi + ALX_MISC]
|
|
; and eax, not ALX_MISC_INTNLOSC_OPEN
|
|
; mov dword[esi + ALX_MISC], eax
|
|
; or eax, ALX_MISC_INTNLOSC_OPEN
|
|
; mov dword[esi + ALX_MISC], eax
|
|
;
|
|
; ret
|
|
|
|
|
|
align 16
|
|
alx_reset_osc:
|
|
|
|
mov esi, [ebx + device.mmio_addr]
|
|
|
|
; clear Internal OSC settings, switching OSC by hw itself
|
|
mov eax, dword[esi + ALX_MISC3]
|
|
and eax, not ALX_MISC3_25M_BY_SW
|
|
or eax, ALX_MISC3_25M_NOTO_INTNL
|
|
mov dword[esi + ALX_MISC3], eax
|
|
|
|
; clk from chipset may be unstable 1s after de-assert of
|
|
; PERST, driver need re-calibrate before enter Sleep for WoL
|
|
mov eax, dword[esi + ALX_MISC]
|
|
cmp [ebx + device.chip_rev], ALX_REV_B0
|
|
jb .rev_a
|
|
|
|
; restore over current protection def-val, this val could be reset by MAC-RST
|
|
and eax, not (ALX_MISC_PSW_OCP_MASK shl ALX_MISC_PSW_OCP_SHIFT)
|
|
or eax, ALX_MISC_PSW_OCP_DEF shl ALX_MISC_PSW_OCP_SHIFT
|
|
; a 0->1 change will update the internal val of osc
|
|
and eax, not ALX_MISC_INTNLOSC_OPEN
|
|
mov dword[esi + ALX_MISC], eax
|
|
or eax, ALX_MISC_INTNLOSC_OPEN
|
|
mov dword[esi + ALX_MISC], eax
|
|
|
|
; hw will automatically dis OSC after cab
|
|
mov eax, dword[esi + ALX_MSIC2]
|
|
and eax, not ALX_MSIC2_CALB_START
|
|
mov dword[esi + ALX_MSIC2], eax
|
|
or eax, ALX_MSIC2_CALB_START
|
|
mov dword[esi + ALX_MSIC2], eax
|
|
|
|
push esi ecx
|
|
xor esi, esi
|
|
inc esi
|
|
invoke Sleep ;; FIXME: udelay(20)
|
|
pop ecx esi
|
|
|
|
ret
|
|
|
|
.rev_a:
|
|
|
|
; disable isolate for rev A devices
|
|
and eax, not ( ALX_MISC_ISO_EN)
|
|
or eax, ALX_MISC_INTNLOSC_OPEN
|
|
mov dword[esi + ALX_MISC], eax
|
|
and eax, not ALX_MISC_INTNLOSC_OPEN
|
|
mov dword[esi + ALX_MISC], eax
|
|
|
|
push esi ecx
|
|
xor esi, esi
|
|
inc esi
|
|
invoke Sleep ;; FIXME: udelay(20)
|
|
pop ecx esi
|
|
|
|
ret
|
|
|
|
align 16
|
|
alx_read_macaddr:
|
|
|
|
mov esi, [ebx + device.mmio_addr]
|
|
mov eax, dword[esi + ALX_STAD0]
|
|
bswap eax
|
|
mov dword[ebx + device.mac + 2], eax
|
|
mov ax, word[esi + ALX_STAD1]
|
|
xchg al, ah
|
|
mov word[ebx + device.mac], ax
|
|
|
|
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
|
|
|
|
; check if it is a valid MAC
|
|
cmp dword[ebx + device.mac], 0x0
|
|
jne @f
|
|
cmp word[ebx + device.mac + 4], 0x0
|
|
je .invalid
|
|
@@:
|
|
cmp dword[ebx + device.mac], 0xffffffff
|
|
jne @f
|
|
cmp word[ebx + device.mac + 4], 0xffff
|
|
je .invalid
|
|
@@:
|
|
; TODO: check if it's not a multicast
|
|
xor eax, eax
|
|
ret
|
|
|
|
.invalid:
|
|
xor eax, eax
|
|
inc eax
|
|
ret
|
|
|
|
|
|
align 16
|
|
alx_get_perm_macaddr:
|
|
|
|
; try to get it from register first
|
|
call alx_read_macaddr
|
|
test eax, eax
|
|
jz .done
|
|
|
|
; try to load from efuse
|
|
mov esi, [ebx + device.mmio_addr]
|
|
mov ecx, ALX_SLD_MAX_TO
|
|
.loop1:
|
|
mov eax, dword[esi + ALX_SLD]
|
|
test eax, ALX_SLD_STAT or ALX_SLD_START
|
|
jz @f
|
|
|
|
dec ecx
|
|
jz .error
|
|
|
|
push esi ecx
|
|
xor esi, esi
|
|
inc esi
|
|
invoke Sleep
|
|
pop ecx esi
|
|
jmp .loop1
|
|
@@:
|
|
or eax, ALX_SLD_START
|
|
mov dword[esi + ALX_SLD], eax
|
|
|
|
mov ecx, ALX_SLD_MAX_TO
|
|
.loop2:
|
|
mov eax, dword[esi + ALX_SLD]
|
|
test eax, ALX_SLD_START
|
|
jz @f
|
|
|
|
dec ecx
|
|
jz .error
|
|
|
|
push esi ecx
|
|
xor esi, esi
|
|
inc esi
|
|
invoke Sleep
|
|
pop ecx esi
|
|
jmp .loop2
|
|
@@:
|
|
|
|
call alx_read_macaddr
|
|
test eax, eax
|
|
jz .done
|
|
|
|
; try to load from flash/eeprom (if present)
|
|
set_io [ebx + device.io_addr], 0
|
|
set_io [ebx + device.io_addr], ALX_EFLD
|
|
in eax, dx
|
|
test eax, ALX_EFLD_F_EXIST or ALX_EFLD_E_EXIST
|
|
jz .error
|
|
|
|
mov ecx, ALX_SLD_MAX_TO
|
|
.loop3:
|
|
in eax, dx
|
|
test eax, ALX_EFLD_STAT or ALX_EFLD_START
|
|
jz @f
|
|
|
|
dec ecx
|
|
jz .error
|
|
|
|
push esi edx ecx
|
|
xor esi, esi
|
|
inc esi
|
|
invoke Sleep
|
|
pop ecx edx esi
|
|
jmp .loop3
|
|
@@:
|
|
or eax, ALX_EFLD_START
|
|
out dx, eax
|
|
|
|
mov ecx, ALX_SLD_MAX_TO
|
|
.loop4:
|
|
in eax, dx
|
|
test eax, ALX_EFLD_START
|
|
jz @f
|
|
|
|
dec ecx
|
|
jz .error
|
|
|
|
push esi edx ecx
|
|
xor esi, esi
|
|
inc esi
|
|
invoke Sleep
|
|
pop ecx edx esi
|
|
jmp .loop4
|
|
@@:
|
|
|
|
call alx_read_macaddr
|
|
test eax, eax
|
|
jz .done
|
|
|
|
.error:
|
|
DEBUGF 1, "error obtaining MAC\n"
|
|
xor eax, eax
|
|
dec eax
|
|
ret
|
|
|
|
.done:
|
|
DEBUGF 1, "MAC OK\n"
|
|
xor eax, eax
|
|
ret
|
|
|
|
align 16
|
|
alx_stop_mac:
|
|
|
|
DEBUGF 1,"alx_stop_mac\n"
|
|
|
|
mov esi, [ebx + device.mmio_addr]
|
|
|
|
mov eax, dword[esi + ALX_RXQ0]
|
|
and eax, not ALX_RXQ0_EN
|
|
mov dword[esi + ALX_RXQ0], eax
|
|
|
|
mov eax, dword[esi + ALX_TXQ0]
|
|
and eax, not ALX_TXQ0_EN
|
|
mov dword[esi + ALX_TXQ0], eax
|
|
|
|
push esi
|
|
xor esi, esi
|
|
inc esi
|
|
invoke Sleep ; FIME: udelay(40)
|
|
pop esi
|
|
|
|
mov eax, [ebx + device.rx_ctrl]
|
|
and eax, not(ALX_MAC_CTRL_TX_EN or ALX_MAC_CTRL_RX_EN)
|
|
mov [ebx + device.rx_ctrl], eax
|
|
mov [esi + ALX_MAC_CTRL], eax
|
|
|
|
mov ecx, ALX_DMA_MAC_RST_TO
|
|
.loop:
|
|
mov eax, [esi + ALX_MAC_STS]
|
|
test eax, ALX_MAC_STS_IDLE
|
|
jz .done
|
|
|
|
push esi
|
|
xor esi, esi
|
|
inc esi
|
|
invoke Sleep ; FIME: udelay(10)
|
|
pop esi
|
|
|
|
dec ecx
|
|
jnz .loop
|
|
|
|
DEBUGF 1,"alx_stop_mac timeout!\n"
|
|
xor eax, eax
|
|
dec eax
|
|
ret
|
|
|
|
.done:
|
|
DEBUGF 1,"alx_stop_mac ok\n"
|
|
xor eax, eax
|
|
ret
|
|
|
|
|
|
align 16
|
|
alx_start_mac:
|
|
|
|
DEBUGF 1,"alx_start_mac\n"
|
|
|
|
mov esi, [ebx + device.mmio_addr]
|
|
|
|
mov eax, dword[esi + ALX_RXQ0]
|
|
or eax, ALX_RXQ0_EN
|
|
mov dword[esi + ALX_RXQ0], eax
|
|
|
|
mov eax, dword[esi + ALX_TXQ0]
|
|
or eax, ALX_TXQ0_EN
|
|
mov dword[esi + ALX_TXQ0], eax
|
|
|
|
mov eax, [ebx + device.rx_ctrl]
|
|
or eax, ALX_MAC_CTRL_TX_EN or ALX_MAC_CTRL_RX_EN
|
|
and eax, not ALX_MAC_CTRL_FULLD
|
|
test [ebx + device.state], ETH_LINK_FD
|
|
jz @f
|
|
or eax, ALX_MAC_CTRL_FULLD
|
|
@@:
|
|
and eax, not (ALX_MAC_CTRL_SPEED_MASK shl ALX_MAC_CTRL_SPEED_SHIFT)
|
|
test [ebx + device.state], ETH_LINK_1G
|
|
jz .10_100
|
|
or eax, (ALX_MAC_CTRL_SPEED_1000 shl ALX_MAC_CTRL_SPEED_SHIFT)
|
|
|
|
mov [ebx + device.rx_ctrl], eax
|
|
mov [esi + ALX_MAC_CTRL], eax
|
|
|
|
ret
|
|
|
|
.10_100:
|
|
or eax, (ALX_MAC_CTRL_SPEED_10_100 shl ALX_MAC_CTRL_SPEED_SHIFT)
|
|
|
|
mov [ebx + device.rx_ctrl], eax
|
|
mov [esi + ALX_MAC_CTRL], eax
|
|
|
|
ret
|
|
|
|
|
|
|
|
align 16
|
|
alx_init_ring_ptrs:
|
|
|
|
DEBUGF 1,"alx_init_ring_ptrs\n"
|
|
|
|
mov esi, [ebx + device.mmio_addr]
|
|
|
|
; Receive descriptors
|
|
mov [ebx + device.rxq_read_idx], 0
|
|
mov [ebx + device.rxq_write_idx], 0
|
|
; mov [ebx + device.rxq_rrd_read_idx], 0
|
|
|
|
mov dword[esi + ALX_RX_BASE_ADDR_HI], 0
|
|
|
|
lea eax, [ebx + device.rrd_ring]
|
|
invoke GetPhysAddr
|
|
mov dword[esi + ALX_RRD_ADDR_LO], eax
|
|
mov dword[esi + ALX_RRD_RING_SZ], RX_RING_SIZE
|
|
|
|
lea eax, [ebx + device.rfd_ring]
|
|
invoke GetPhysAddr
|
|
mov dword[esi + ALX_RFD_ADDR_LO], eax
|
|
mov dword[esi + ALX_RFD_RING_SZ], RX_RING_SIZE
|
|
mov dword[esi + ALX_RFD_BUF_SZ], RX_BUFFER_SIZE
|
|
|
|
; Transmit descriptors
|
|
mov [ebx + device.txq_read_idx], 0
|
|
mov [ebx + device.txq_write_idx], 0
|
|
|
|
mov dword[esi + ALX_TX_BASE_ADDR_HI], 0
|
|
|
|
lea eax, [ebx + device.tpd_ring]
|
|
invoke GetPhysAddr
|
|
mov dword[esi + ALX_TPD_PRI0_ADDR_LO], eax
|
|
mov dword[esi + ALX_TPD_RING_SZ], TX_RING_SIZE
|
|
|
|
; Load these pointers into the chip
|
|
mov dword[esi + ALX_SRAM9], ALX_SRAM_LOAD_PTR
|
|
|
|
xor eax, eax
|
|
|
|
ret
|
|
|
|
|
|
align 16
|
|
alx_alloc_descriptors:
|
|
|
|
DEBUGF 1,"alx_alloc_descriptors\n"
|
|
|
|
; physical tx/rx ring descriptors
|
|
|
|
; alx->descmem.size = sizeof.tx_desc * TX_RING_SIZE + sizeof.rx_desc * RX_RING_SIZE + sizeof(struct alx_rfd) * RX_RING_SIZE;
|
|
; alx->descmem.virt = dma_zalloc_coherent(&alx->hw.pdev->dev, alx->descmem.size, &alx->descmem.dma, GFP_KERNEL);
|
|
; if (!alx->descmem.virt)
|
|
; goto out_free;
|
|
;
|
|
; alx->txq.tpd = (void *)alx->descmem.virt;
|
|
; alx->txq.tpd_dma = alx->descmem.dma;
|
|
|
|
; alignment requirement for next block
|
|
; BUILD_BUG_ON(tx_desc.sizeof % 8);
|
|
;
|
|
; alx->rxq.rrd = (void *)((u8 *)alx->descmem.virt + tx_desc.sizeof * TX_RING_SIZE);
|
|
; alx->rxq.rrd_dma = alx->descmem.dma + sizeof.tx_desc * TX_RING_SIZE;
|
|
;
|
|
; alignment requirement for next block
|
|
; BUILD_BUG_ON(rx_desc.sizeof % 8);
|
|
;
|
|
; alx->rxq.rfd = (void *)((u8 *)alx->descmem.virt + sizeof.tx_desx * TX_RING_SIZE + sizeof.rx_desc * RX_RING_SIZE);
|
|
; alx->rxq.rfd_dma = alx->descmem.dma + sizeof.tx_desc * TX_RING_SIZE + sizeof.rx_desc * RX_RING_SIZE;
|
|
|
|
xor eax, eax
|
|
ret
|
|
|
|
|
|
align 16
|
|
alx_alloc_rings:
|
|
|
|
DEBUGF 1,"alx_alloc_rings\n"
|
|
|
|
call alx_alloc_descriptors
|
|
test eax, eax
|
|
jnz .ret_err
|
|
|
|
and [ebx + device.int_mask], not ALX_ISR_ALL_QUEUES
|
|
or [ebx + device.int_mask], ALX_ISR_TX_Q0 or ALX_ISR_RX_Q0
|
|
; netif_napi_add(alx->dev, &alx->napi, alx_poll, 64);
|
|
|
|
call alx_reinit_rings
|
|
.ret_err:
|
|
ret
|
|
|
|
|
|
align 16
|
|
alx_reinit_rings:
|
|
|
|
DEBUGF 1,"alx_reinit_rings\n"
|
|
|
|
call alx_free_rx_ring
|
|
call alx_init_ring_ptrs
|
|
call alx_refill_rx_ring
|
|
|
|
ret
|
|
|
|
|
|
align 16
|
|
alx_refill_rx_ring:
|
|
|
|
DEBUGF 1,"alx_refill_rx_ring\n"
|
|
|
|
mov ecx, [ebx + device.rxq_write_idx]
|
|
.loop:
|
|
cmp dword[ebx + device.rfd_ring+ecx*sizeof.alx_rfd + alx_rfd.addr_l], 0
|
|
jne .done
|
|
|
|
invoke NetAlloc, NET_BUFF.data+RX_BUFFER_SIZE
|
|
test eax, eax
|
|
jz .done
|
|
mov [ebx + device.rfd_ring_virt + ecx*4], eax
|
|
add eax, NET_BUFF.data
|
|
invoke GetPhysAddr
|
|
mov dword[ebx + device.rfd_ring+ecx*sizeof.alx_rfd + alx_rfd.addr_l], eax
|
|
mov dword[ebx + device.rfd_ring+ecx*sizeof.alx_rfd + alx_rfd.addr_h], 0
|
|
|
|
mov eax, ecx
|
|
inc ecx
|
|
and ecx, RX_RING_SIZE - 1
|
|
|
|
cmp ecx, [ebx + device.rxq_read_idx]
|
|
jne .loop
|
|
|
|
mov ecx, eax
|
|
|
|
.done:
|
|
cmp ecx, [ebx + device.rxq_write_idx]
|
|
je .none
|
|
|
|
mov [ebx + device.rxq_write_idx], ecx
|
|
mov esi, [ebx + device.mmio_addr]
|
|
mov [esi + ALX_RFD_PIDX], cx
|
|
|
|
.none:
|
|
xor eax, eax
|
|
|
|
ret
|
|
|
|
|
|
align 16
|
|
alx_free_rx_ring:
|
|
|
|
DEBUGF 1,"alx_free_rx_ring\n"
|
|
|
|
xor ecx, ecx
|
|
.loop:
|
|
mov eax, [ebx + device.rfd_ring_virt + ecx*4]
|
|
test eax, eax
|
|
jz .next
|
|
|
|
invoke NetFree, eax
|
|
|
|
xor eax, eax
|
|
mov dword[ebx + device.rfd_ring+ecx*sizeof.alx_rfd + alx_rfd.addr_l], eax
|
|
mov dword[ebx + device.rfd_ring+ecx*sizeof.alx_rfd + alx_rfd.addr_h], eax
|
|
mov [ebx + device.rfd_ring_virt + ecx*4], eax
|
|
|
|
.next:
|
|
inc ecx
|
|
cmp ecx, RX_RING_SIZE
|
|
jb .loop
|
|
|
|
ret
|
|
|
|
|
|
align 16
|
|
alx_configure:
|
|
|
|
DEBUGF 1,"alx_configure\n"
|
|
|
|
call alx_configure_basic
|
|
call alx_disable_rss
|
|
call __alx_set_rx_mode
|
|
|
|
mov esi, [ebx + device.mmio_addr]
|
|
mov eax, [ebx + device.rx_ctrl]
|
|
mov [esi + ALX_MAC_CTRL], eax
|
|
|
|
xor eax, eax
|
|
ret
|
|
|
|
|
|
align 16
|
|
alx_irq_enable:
|
|
|
|
DEBUGF 1,"alx_irq_enable\n"
|
|
|
|
mov esi, [ebx + device.mmio_addr]
|
|
mov dword[esi + ALX_ISR], 0
|
|
mov eax, [ebx + device.int_mask]
|
|
mov [esi + ALX_IMR], eax
|
|
|
|
call alx_post_write
|
|
|
|
ret
|
|
|
|
align 16
|
|
alx_irq_disable:
|
|
|
|
DEBUGF 1,"alx_irq_disable\n"
|
|
|
|
mov esi, [ebx + device.mmio_addr]
|
|
mov dword[esi + ALX_ISR], ALX_ISR_DIS
|
|
mov dword[esi + ALX_IMR], 0
|
|
|
|
call alx_post_write
|
|
|
|
ret
|
|
|
|
|
|
align 16
|
|
alx_post_write:
|
|
|
|
push eax
|
|
mov esi, [ebx + device.mmio_addr]
|
|
mov eax, [esi]
|
|
pop eax
|
|
|
|
ret
|
|
|
|
|
|
align 16
|
|
alx_configure_basic:
|
|
|
|
DEBUGF 1,"alx_configure_basic\n"
|
|
|
|
mov esi, [ebx + device.mmio_addr]
|
|
|
|
;;; call alx_set_macaddr
|
|
|
|
mov dword[esi + ALX_CLK_GATE], ALX_CLK_GATE_ALL
|
|
|
|
; idle timeout to switch clk_125M
|
|
|
|
cmp [ebx + device.chip_rev], ALX_REV_B0
|
|
jb @f
|
|
mov dword[esi + ALX_IDLE_DECISN_TIMER], ALX_IDLE_DECISN_TIMER_DEF
|
|
@@:
|
|
|
|
mov dword[esi + ALX_SMB_TIMER], SMB_TIMER * 500
|
|
|
|
mov eax, [esi + ALX_MASTER]
|
|
or eax, ALX_MASTER_IRQMOD2_EN or ALX_MASTER_IRQMOD1_EN or ALX_MASTER_SYSALVTIMER_EN
|
|
mov [esi + ALX_MASTER], eax
|
|
|
|
mov dword[esi + ALX_IRQ_MODU_TIMER], (IMT / 2) shl ALX_IRQ_MODU_TIMER1_SHIFT
|
|
|
|
; intr re-trig timeout
|
|
mov dword[esi + ALX_INT_RETRIG], ALX_INT_RETRIG_TO
|
|
|
|
; tpd threshold to trig int
|
|
mov dword[esi + ALX_TINT_TPD_THRSHLD], ITH_TPD
|
|
mov dword[esi + ALX_TINT_TIMER], IMT
|
|
|
|
mov dword[esi + ALX_MTU], RX_BUFFER_SIZE + 8 ;;;;
|
|
|
|
mov dword[esi + ALX_TXQ1], (((RX_BUFFER_SIZE + 8 + 7) shr 3) or ALX_TXQ1_ERRLGPKT_DROP_EN)
|
|
|
|
; rxq, flow control
|
|
|
|
; TODO set ALX_RXQ2
|
|
|
|
; RXQ0
|
|
mov eax, (ALX_RXQ0_NUM_RFD_PREF_DEF shl ALX_RXQ0_NUM_RFD_PREF_SHIFT) \
|
|
or (ALX_RXQ0_RSS_MODE_DIS shl ALX_RXQ0_RSS_MODE_SHIFT) \
|
|
or (ALX_RXQ0_IDT_TBL_SIZE_DEF shl ALX_RXQ0_IDT_TBL_SIZE_SHIFT) \
|
|
or ALX_RXQ0_RSS_HSTYP_ALL or ALX_RXQ0_RSS_HASH_EN or ALX_RXQ0_IPV6_PARSE_EN
|
|
|
|
test [ebx + device.pci_dev], 1 ;;; FIXME: is gigabit device?
|
|
jz @f
|
|
or eax, ALX_RXQ0_ASPM_THRESH_100M shl ALX_RXQ0_ASPM_THRESH_SHIFT
|
|
@@:
|
|
mov dword[esi + ALX_RXQ0], eax
|
|
|
|
; TODO: DMA
|
|
; mov eax, [esi + ALX_DMA] ; read and ignore?
|
|
; mov eax, [ebx + device.dma_chnl]
|
|
; dec eax
|
|
; shl eax, ALX_DMA_RCHNL_SEL_SHIFT
|
|
; or eax, (ALX_DMA_RORDER_MODE_OUT shl ALX_DMA_RORDER_MODE_SHIFT) \
|
|
; or ALX_DMA_RREQ_PRI_DATA \
|
|
; or (max_payload shl ALX_DMA_RREQ_BLEN_SHIFT ) \
|
|
; or (ALX_DMA_WDLY_CNT_DEF shl ALX_DMA_WDLY_CNT_SHIFT ) \
|
|
; or (ALX_DMA_RDLY_CNT_DEF shl ALX_DMA_RDLY_CNT_SHIFT )
|
|
; mov [esi + ALX_DMA], eax
|
|
|
|
|
|
; default multi-tx-q weights
|
|
mov eax, (ALX_WRR_PRI_RESTRICT_NONE shl ALX_WRR_PRI_SHIFT) \
|
|
or (4 shl ALX_WRR_PRI0_SHIFT) \
|
|
or (4 shl ALX_WRR_PRI1_SHIFT) \
|
|
or (4 shl ALX_WRR_PRI2_SHIFT) \
|
|
or (4 shl ALX_WRR_PRI3_SHIFT)
|
|
mov [esi + ALX_WRR], eax
|
|
|
|
ret
|
|
|
|
|
|
align 16
|
|
alx_disable_rss:
|
|
|
|
DEBUGF 1,"alx_disable_rss\n"
|
|
|
|
mov esi, [ebx + device.mmio_addr]
|
|
|
|
mov eax, [esi + ALX_RXQ0]
|
|
and eax, not (ALX_RXQ0_RSS_HASH_EN)
|
|
mov [esi + ALX_RXQ0] , eax
|
|
|
|
ret
|
|
|
|
align 16
|
|
__alx_set_rx_mode:
|
|
|
|
DEBUGF 1,"__alx_set_rx_mode\n"
|
|
|
|
mov esi, [ebx + device.mmio_addr]
|
|
|
|
; if (!(netdev->flags & IFF_ALLMULTI)) {
|
|
; netdev_for_each_mc_addr(ha, netdev)
|
|
; alx_add_mc_addr(hw, ha->addr, mc_hash);
|
|
;
|
|
; alx_write_mem32(hw, ALX_HASH_TBL0, mc_hash[0]);
|
|
; alx_write_mem32(hw, ALX_HASH_TBL1, mc_hash[1]);
|
|
; }
|
|
|
|
mov eax, [ebx + device.rx_ctrl]
|
|
or eax, ALX_MAC_CTRL_PROMISC_EN or ALX_MAC_CTRL_MULTIALL_EN
|
|
mov [ebx + device.rx_ctrl], eax
|
|
mov dword[esi + ALX_MAC_CTRL], eax
|
|
|
|
ret
|
|
|
|
|
|
align 16
|
|
alx_check_link:
|
|
|
|
call alx_clear_phy_intr
|
|
|
|
mov edx, [ebx + device.state]
|
|
|
|
call alx_get_phy_link
|
|
cmp eax, 0
|
|
jl .reset
|
|
|
|
mov esi, [ebx + device.mmio_addr]
|
|
|
|
spin_lock_irqsave
|
|
or [ebx + device.int_mask], ALX_ISR_PHY
|
|
mov eax, [ebx + device.int_mask]
|
|
mov [esi + ALX_IMR], eax
|
|
spin_unlock_irqrestore
|
|
|
|
cmp edx, [ebx + device.state]
|
|
je .no_change
|
|
|
|
cmp [ebx + device.state], ETH_LINK_DOWN
|
|
je .link_down
|
|
|
|
call alx_post_phy_link
|
|
mov ecx, (ALX_PMCTRL_L0S_EN or ALX_PMCTRL_L1_EN or ALX_PMCTRL_ASPM_FCEN)
|
|
call alx_enable_aspm
|
|
call alx_start_mac
|
|
|
|
invoke NetLinkChanged
|
|
|
|
ret
|
|
|
|
.no_change:
|
|
DEBUGF 1, "link state unchanged\n"
|
|
|
|
ret
|
|
|
|
.link_down:
|
|
; Link is now down
|
|
|
|
call alx_reset_mac
|
|
test eax, eax
|
|
jnz .reset
|
|
|
|
call alx_irq_disable
|
|
|
|
; MAC reset causes all HW settings to be lost, restore all
|
|
call alx_reinit_rings
|
|
test eax, eax
|
|
jnz .reset
|
|
|
|
call alx_configure
|
|
mov ecx, (ALX_PMCTRL_L1_EN or ALX_PMCTRL_ASPM_FCEN)
|
|
call alx_enable_aspm
|
|
call alx_post_phy_link
|
|
call alx_irq_enable
|
|
|
|
invoke NetLinkChanged
|
|
|
|
ret
|
|
|
|
.reset:
|
|
DEBUGF 1, "alx_schedule_reset"
|
|
;;; call alx_schedule_reset
|
|
|
|
ret
|
|
|
|
|
|
align 16
|
|
alx_post_phy_link:
|
|
|
|
cmp [ebx + device.chip_rev], ALX_REV_B0
|
|
ja .done
|
|
|
|
cmp [ebx + device.state], ETH_LINK_UNKNOWN
|
|
jae @f
|
|
|
|
; TODO
|
|
; stdcall alx_read_phy_ext, ALX_MIIEXT_AFE, ALX_MIIEXT_ANEG
|
|
; and eax, not (ALX_AFE_10BT_100M_TH)
|
|
; stdcall alx_write_phy_ext, ALX_MIIEXT_AFE, ALX_MIIEXT_ANEG, eax
|
|
|
|
ret
|
|
@@:
|
|
|
|
.done:
|
|
|
|
ret
|
|
|
|
|
|
align 16
|
|
alx_clear_phy_intr:
|
|
|
|
stdcall alx_read_phy_reg, 0, ALX_MII_ISR
|
|
|
|
ret
|
|
|
|
|
|
align 16
|
|
alx_get_phy_link:
|
|
|
|
DEBUGF 1,"alx_get_phy_link\n"
|
|
|
|
stdcall alx_read_phy_reg, 0, MII_BMSR
|
|
stdcall alx_read_phy_reg, 0, MII_BMSR
|
|
|
|
mov [ebx + device.state], ETH_LINK_DOWN
|
|
|
|
test ax, BMSR_LSTATUS
|
|
jnz @f
|
|
DEBUGF 1,"link is down\n"
|
|
xor eax, eax
|
|
ret
|
|
@@:
|
|
stdcall alx_read_phy_reg, 0, ALX_MII_GIGA_PSSR
|
|
test ax, ALX_GIGA_PSSR_SPD_DPLX_RESOLVED
|
|
jz .wrong_speed
|
|
|
|
DEBUGF 1,"link is up\n"
|
|
|
|
test ax, ALX_GIGA_PSSR_DPLX
|
|
jz @f
|
|
or [ebx + device.state], ETH_LINK_FD
|
|
DEBUGF 1,"full duplex\n"
|
|
@@:
|
|
|
|
and ax, ALX_GIGA_PSSR_SPEED
|
|
cmp ax, ALX_GIGA_PSSR_1000MBS
|
|
jne @f
|
|
or [ebx + device.state], ETH_LINK_1G
|
|
DEBUGF 1,"1 gigabit\n"
|
|
ret
|
|
|
|
@@:
|
|
cmp ax, ALX_GIGA_PSSR_100MBS
|
|
jne @f
|
|
or [ebx + device.state], ETH_LINK_100M
|
|
DEBUGF 1,"100 mbit\n"
|
|
ret
|
|
|
|
@@:
|
|
cmp ax, ALX_GIGA_PSSR_10MBS
|
|
jne @f
|
|
or [ebx + device.state], ETH_LINK_10M
|
|
DEBUGF 1,"10 mbit\n"
|
|
ret
|
|
|
|
@@:
|
|
mov [ebx + device.state], ETH_LINK_UNKNOWN
|
|
DEBUGF 1,"speed unknown\n"
|
|
ret
|
|
|
|
.wrong_speed:
|
|
DEBUGF 1,"wrong speed\n"
|
|
xor eax, eax
|
|
dec eax
|
|
ret
|
|
|
|
|
|
|
|
|
|
align 16
|
|
proc alx_read_phy_reg stdcall, phy_addr:dword, reg:dword
|
|
|
|
; FIXME: Only internal PHY for now, fixed clock
|
|
|
|
DEBUGF 1,"PHY read, addr=0x%x reg=0x%x\n", [phy_addr]:8, [reg]:8
|
|
|
|
mov esi, [ebx + device.mmio_addr]
|
|
|
|
mov eax, [reg]
|
|
shl eax, ALX_MDIO_REG_SHIFT
|
|
or eax, ALX_MDIO_SPRES_PRMBL or (ALX_MDIO_CLK_SEL_25MD4 shl ALX_MDIO_CLK_SEL_SHIFT) or ALX_MDIO_START or ALX_MDIO_OP_READ
|
|
mov dword[esi + ALX_MDIO], eax
|
|
|
|
mov ecx, ALX_MDIO_MAX_AC_TO
|
|
.loop:
|
|
mov eax, dword[esi + ALX_MDIO]
|
|
test eax, ALX_MDIO_BUSY
|
|
jz .ready
|
|
|
|
push esi ecx
|
|
xor esi, esi
|
|
inc esi
|
|
invoke Sleep ;; FIXME: udelay(10)
|
|
pop ecx esi
|
|
|
|
dec ecx
|
|
jnz .loop
|
|
|
|
DEBUGF 1,"PHY read timeout!\n"
|
|
xor eax, eax
|
|
dec eax
|
|
ret
|
|
|
|
.ready:
|
|
; shr eax, ALX_MDIO_DATA_SHIFT
|
|
and eax, ALX_MDIO_DATA_MASK
|
|
|
|
DEBUGF 1,"PHY read, val=0x%x\n", eax:4
|
|
|
|
ret
|
|
|
|
endp
|
|
|
|
|
|
|
|
|
|
align 16
|
|
proc alx_write_phy_reg stdcall, phy_addr:dword, reg:dword, val:dword
|
|
|
|
; FIXME: Only internal PHY for now, fixed clock
|
|
|
|
DEBUGF 1,"PHY write, addr=0x%x reg=0x%x, data=0x%x\n", [phy_addr]:8, [reg]:8, [val]:8
|
|
|
|
mov esi, [ebx + device.mmio_addr]
|
|
|
|
mov eax, [reg]
|
|
shl eax, ALX_MDIO_REG_SHIFT
|
|
mov ax, word[val] ; data must be in 16 lower bits :)
|
|
or eax, ALX_MDIO_SPRES_PRMBL or (ALX_MDIO_CLK_SEL_25MD4 shl ALX_MDIO_CLK_SEL_SHIFT) or ALX_MDIO_START
|
|
mov dword[esi + ALX_MDIO], eax
|
|
|
|
mov ecx, ALX_MDIO_MAX_AC_TO
|
|
.loop:
|
|
mov eax, dword[esi + ALX_MDIO]
|
|
test eax, ALX_MDIO_BUSY
|
|
jz .ready
|
|
|
|
push esi ecx
|
|
xor esi, esi
|
|
inc esi
|
|
invoke Sleep ;; FIXME: udelay(10)
|
|
pop ecx esi
|
|
|
|
dec ecx
|
|
jnz .loop
|
|
|
|
DEBUGF 1,"PHY write timeout!\n"
|
|
xor eax, eax
|
|
dec eax
|
|
ret
|
|
|
|
.ready:
|
|
DEBUGF 1,"PHY write OK\n"
|
|
xor eax, eax
|
|
|
|
ret
|
|
endp
|
|
|
|
align 16
|
|
alx_request_irq:
|
|
|
|
DEBUGF 1,"Request IRQ\n"
|
|
|
|
mov esi, [ebx + device.mmio_addr]
|
|
|
|
; Only legacy interrupts supported for now.
|
|
mov dword[esi + ALX_MSI_RETRANS_TIMER], 0
|
|
|
|
ret
|
|
|
|
|
|
; End of code
|
|
|
|
data fixups
|
|
end data
|
|
|
|
include '../peimport.inc'
|
|
|
|
my_service db 'AR81XX',0 ; max 16 chars include zero
|
|
|
|
include_debug_strings
|
|
|
|
align 4
|
|
devices dd 0
|
|
device_list rd MAX_DEVICES ; This list contains all pointers to device structures the driver is handling
|
|
|