1240 lines
30 KiB
NASM
1240 lines
30 KiB
NASM
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Copyright (C) KolibriOS team 2004-2015. All rights reserved. ;;
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;; Distributed under terms of the GNU General Public License ;;
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;; ;;
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;; i8255x (Intel eepro 100) driver for KolibriOS ;;
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;; ;;
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;; Written by hidnplayr@kolibrios.org ;;
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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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;; Some parts of this driver are based on the code of eepro100.c ;;
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;; from linux. ;;
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;; ;;
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;; Intel's programming manual for i8255x: ;;
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;; http://www.intel.com/design/network/manuals/8255x_opensdm.htm ;;
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;; ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; TODO: use separate descriptors in memory instead of placing them in front of packets!
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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__ = 1
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__DEBUG_LEVEL__ = 2 ; 1 = verbose, 2 = errors only
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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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; Serial EEPROM
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EE_SK = 1 shl 0 ; serial clock
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EE_CS = 1 shl 1 ; chip select
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EE_DI = 1 shl 2 ; data in
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EE_DO = 1 shl 3 ; data out
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EE_MASK = EE_SK + EE_CS + EE_DI + EE_DO
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; opcodes, first bit is start bit and must be 1
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EE_READ = 110b
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EE_WRITE = 101b
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EE_ERASE = 111b
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||
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; The SCB accepts the following controls for the Tx and Rx units:
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CU_START = 0x0010
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CU_RESUME = 0x0020
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CU_STATSADDR = 0x0040
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CU_SHOWSTATS = 0x0050 ; Dump statistics counters.
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CU_CMD_BASE = 0x0060 ; Base address to add CU commands.
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CU_DUMPSTATS = 0x0070 ; Dump then reset stats counters.
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RX_START = 0x0001
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RX_RESUME = 0x0002
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RX_ABORT = 0x0004
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RX_ADDR_LOAD = 0x0006
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RX_RESUMENR = 0x0007
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INT_MASK = 0x0100
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DRVR_INT = 0x0200 ; Driver generated interrupt
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CmdIASetup = 0x0001
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CmdConfigure = 0x0002
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CmdTx = 0x0004
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CmdTxFlex = 0x0008
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Cmdsuspend = 0x4000
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reg_scb_status = 0
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reg_scb_cmd = 2
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reg_scb_ptr = 4
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reg_port = 8
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reg_eeprom = 14
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reg_mdi_ctrl = 16
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phy_100a = 0x000003E0
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phy_100c = 0x035002A8
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phy_82555_tx = 0x015002A8
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phy_nsc_tx = 0x5C002000
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phy_82562_et = 0x033002A8
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phy_82562_em = 0x032002A8
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phy_82562_ek = 0x031002A8
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phy_82562_eh = 0x017002A8
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phy_82552_v = 0xd061004d
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phy_unknown = 0xFFFFFFFF
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mac_82557_D100_A = 0
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mac_82557_D100_B = 1
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mac_82557_D100_C = 2
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mac_82558_D101_A4 = 4
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mac_82558_D101_B0 = 5
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mac_82559_D101M = 8
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mac_82559_D101S = 9
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mac_82550_D102 = 12
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mac_82550_D102_C = 13
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mac_82551_E = 14
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mac_82551_F = 15
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mac_82551_10 = 16
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mac_unknown = 0xFF
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struct rxfd
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status dw ?
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command dw ?
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link dd ?
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rx_buf_addr dd ?
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count dw ?
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size dw ?
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packet rb 1500
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ends
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struc txfd {
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.status dw ?
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.command dw ?
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.link dd ?
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.desc_addr dd ?
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.count dd ?
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.buf_addr0 dd ?
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.buf_size0 dd ?
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}
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struc confcmd {
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.status dw ?
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.command dw ?
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.link dd ?
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.data rb 64
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}
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struc lstats {
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.tx_good_frames dd ?
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.tx_coll16_errs dd ?
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.tx_late_colls dd ?
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.tx_underruns dd ?
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.tx_lost_carrier dd ?
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.tx_deferred dd ?
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.tx_one_colls dd ?
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.tx_multi_colls dd ?
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.tx_total_colls dd ?
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.rx_good_frames dd ?
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.rx_crc_errs dd ?
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.rx_align_errs dd ?
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.rx_resource_errs dd ?
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.rx_overrun_errs dd ?
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.rx_colls_errs dd ?
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.rx_runt_errs dd ?
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}
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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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rx_desc dd ?
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last_tx_buffer dd ?
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ee_bus_width db ?
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irq_line db ?
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rb 0x100 - ($ and 0xff) ; align 256
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txfd txfd
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rb 0x100 - ($ and 0xff) ; align 256
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confcmd confcmd
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rb 0x100 - ($ and 0xff) ; align 256
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lstats lstats
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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, state:dword
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cmp [state], 1
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jne .exit
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.entry:
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DEBUGF 1,"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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.exit:
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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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align 4
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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 io addres of the PCI device
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stdcall PCI_find_io, [ebx + device.pci_bus], [ebx + device.pci_dev]
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mov [ebx + device.io_addr], eax
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; We've found the io 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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mov [ebx + device.irq_line], al
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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.io_addr]:4
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; Ok, the eth_device structure is ready, let's probe the device
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pushf
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cli ; disable ints untilm initialisation is done
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call probe ; this function will output in eax
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test eax, eax
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jnz .err ; If an error occured, exit
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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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popf
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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 .err
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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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.err:
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invoke KernelFree, ebx
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.fail:
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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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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
|
||
;
|
||
;-------------
|
||
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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 PciRead32, [ebx + device.pci_bus], [ebx + device.pci_dev], PCI_header00.command
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or al, PCI_CMD_MASTER
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invoke PciWrite32, [ebx + device.pci_bus], [ebx + device.pci_dev], PCI_header00.command, eax
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;---------------------------
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; First, identify the device
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invoke PciRead32, [ebx + device.pci_bus], [ebx + device.pci_dev], PCI_header.vendor_id ; get device/vendor id
|
||
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DEBUGF 1,"Vendor_id=0x%x\n", ax
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cmp ax, 0x8086
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jne .notfound
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shr eax, 16
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DEBUGF 1,"Device_id=0x%x\n", ax
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mov ecx, DEVICE_IDs
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mov edi, device_id_list
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repne scasw
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jne .notfound
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jmp .found
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.notfound:
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DEBUGF 2,"Unsupported device!\n"
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or eax, -1
|
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ret
|
||
|
||
.found:
|
||
|
||
call ee_get_width
|
||
call MAC_read_eeprom
|
||
|
||
;;; TODO: detect phy
|
||
|
||
|
||
|
||
;----------
|
||
;
|
||
; Reset
|
||
;
|
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;----------
|
||
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align 4
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reset:
|
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movzx 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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DEBUGF 1,"Resetting\n"
|
||
|
||
;---------------
|
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; reset the card
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|
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set_io [ebx + device.io_addr], 0
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set_io [ebx + device.io_addr], reg_port
|
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xor eax, eax ; Software Reset
|
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out dx, eax
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|
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mov esi, 10
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invoke Sleep ; Give the card time to warm up.
|
||
|
||
;---------------------------------
|
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; Tell device where to store stats
|
||
|
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lea eax, [ebx + device.lstats.tx_good_frames] ; lstats
|
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invoke GetPhysAddr
|
||
set_io [ebx + device.io_addr], 0
|
||
set_io [ebx + device.io_addr], reg_scb_ptr
|
||
out dx, eax
|
||
|
||
mov ax, INT_MASK + CU_STATSADDR
|
||
set_io [ebx + device.io_addr], reg_scb_cmd
|
||
out dx, ax
|
||
call cmd_wait
|
||
|
||
;-----------------
|
||
; setup RX
|
||
|
||
set_io [ebx + device.io_addr], reg_scb_ptr
|
||
xor eax, eax
|
||
out dx, eax
|
||
|
||
set_io [ebx + device.io_addr], reg_scb_cmd
|
||
mov ax, INT_MASK + RX_ADDR_LOAD
|
||
out dx, ax
|
||
call cmd_wait
|
||
|
||
;-----------------------------
|
||
; Create RX and TX descriptors
|
||
|
||
call create_ring
|
||
|
||
; RX start
|
||
|
||
set_io [ebx + device.io_addr], 0
|
||
set_io [ebx + device.io_addr], reg_scb_ptr
|
||
mov eax, [ebx + device.rx_desc]
|
||
invoke GetPhysAddr
|
||
out dx, eax
|
||
|
||
mov ax, INT_MASK + RX_START
|
||
set_io [ebx + device.io_addr], reg_scb_cmd
|
||
out dx, ax
|
||
call cmd_wait
|
||
|
||
; Set-up TX
|
||
|
||
set_io [ebx + device.io_addr], reg_scb_ptr
|
||
xor eax, eax
|
||
out dx, eax
|
||
|
||
set_io [ebx + device.io_addr], reg_scb_cmd
|
||
mov ax, INT_MASK + CU_CMD_BASE
|
||
out dx, ax
|
||
call cmd_wait
|
||
|
||
; --------------------
|
||
|
||
mov [ebx + device.confcmd.command], CmdConfigure + Cmdsuspend
|
||
mov [ebx + device.confcmd.status], 0
|
||
lea eax, [ebx + device.txfd.status]
|
||
invoke GetPhysAddr
|
||
mov [ebx + device.confcmd.link], eax
|
||
|
||
mov esi, confcmd_data
|
||
lea edi, [ebx + device.confcmd.data]
|
||
mov ecx, 22
|
||
rep movsb
|
||
|
||
mov byte[ebx + device.confcmd.data + 1], 0x88 ; fifo of 8 each
|
||
mov byte[ebx + device.confcmd.data + 4], 0
|
||
mov byte[ebx + device.confcmd.data + 5], 0x80
|
||
mov byte[ebx + device.confcmd.data + 15], 0x48
|
||
mov byte[ebx + device.confcmd.data + 19], 0x80
|
||
mov byte[ebx + device.confcmd.data + 21], 0x05
|
||
|
||
mov [ebx + device.txfd.command], CmdIASetup
|
||
mov [ebx + device.txfd.status], 0
|
||
lea eax, [ebx + device.confcmd.status]
|
||
invoke GetPhysAddr
|
||
mov [ebx + device.txfd.link], eax
|
||
|
||
;;; copy in our MAC
|
||
|
||
lea edi, [ebx + device.txfd.desc_addr]
|
||
lea esi, [ebx + device.mac]
|
||
movsd
|
||
movsw
|
||
|
||
set_io [ebx + device.io_addr], reg_scb_ptr
|
||
lea eax, [ebx + device.txfd.status]
|
||
invoke GetPhysAddr
|
||
out dx, eax
|
||
|
||
; Start CU & enable ints
|
||
|
||
set_io [ebx + device.io_addr], reg_scb_cmd
|
||
mov ax, CU_START
|
||
out dx, ax
|
||
call cmd_wait
|
||
|
||
;-----------------------
|
||
; build txfd structure (again!)
|
||
|
||
lea eax, [ebx + device.txfd.status]
|
||
invoke GetPhysAddr
|
||
mov [ebx + device.txfd.link], eax
|
||
mov [ebx + device.txfd.count], 0x02208000
|
||
lea eax, [ebx + device.txfd.buf_addr0]
|
||
invoke GetPhysAddr
|
||
mov [ebx + device.txfd.desc_addr], eax
|
||
|
||
; Indicate that we have successfully reset the card
|
||
|
||
DEBUGF 1,"Reset complete\n"
|
||
|
||
mov [ebx + device.mtu], 1514
|
||
|
||
; Set link state to unknown
|
||
mov [ebx + device.state], ETH_LINK_UNKNOWN
|
||
|
||
xor eax, eax ; indicate that we have successfully reset the card
|
||
ret
|
||
|
||
|
||
align 4
|
||
create_ring:
|
||
|
||
DEBUGF 1,"Creating ring\n"
|
||
|
||
;---------------------
|
||
; build rxfd structure
|
||
|
||
invoke KernelAlloc, 2000
|
||
mov [ebx + device.rx_desc], eax
|
||
mov esi, eax
|
||
invoke GetPhysAddr
|
||
mov [esi + rxfd.status], 0x0000
|
||
mov [esi + rxfd.command], 0x0000
|
||
mov [esi + rxfd.link], eax
|
||
mov [esi + rxfd.count], 0
|
||
mov [esi + rxfd.size], 1528
|
||
|
||
;-----------------------
|
||
; build txfd structure
|
||
|
||
lea eax, [ebx + device.txfd.status]
|
||
invoke GetPhysAddr
|
||
mov [ebx + device.txfd.link], eax
|
||
mov [ebx + device.txfd.count], 0x01208000
|
||
lea eax, [ebx + device.txfd.buf_addr0]
|
||
invoke GetPhysAddr
|
||
mov [ebx + device.txfd.desc_addr], eax
|
||
|
||
ret
|
||
|
||
|
||
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
;; ;;
|
||
;; Transmit ;;
|
||
;; ;;
|
||
;; In: 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
|
||
|
||
;;; TODO: check if current descriptor is in use
|
||
; fill in buffer address and size
|
||
mov [ebx + device.last_tx_buffer], eax
|
||
invoke GetPhysAddr
|
||
mov [ebx + device.txfd.buf_addr0], eax
|
||
mov ecx, [buffersize]
|
||
mov [ebx + device.txfd.buf_size0], ecx
|
||
|
||
mov [ebx + device.txfd.status], 0
|
||
mov [ebx + device.txfd.command], Cmdsuspend + CmdTx + CmdTxFlex + 1 shl 15 ;;; EL bit
|
||
; mov [txfd.count], 0x02208000 ;;;;;;;;;;;
|
||
|
||
; Inform device of the new/updated transmit descriptor
|
||
lea eax, [ebx + device.txfd.status]
|
||
invoke GetPhysAddr
|
||
set_io [ebx + device.io_addr], 0
|
||
set_io [ebx + device.io_addr], reg_scb_ptr
|
||
out dx, eax
|
||
|
||
; Start the transmit
|
||
mov ax, CU_START
|
||
set_io [ebx + device.io_addr], reg_scb_cmd
|
||
out dx, ax
|
||
call cmd_wait
|
||
|
||
; Update stats
|
||
inc [ebx + device.packets_tx]
|
||
mov ecx, [buffersize]
|
||
add dword[ebx + device.bytes_tx], ecx
|
||
adc dword[ebx + device.bytes_tx + 4], 0
|
||
|
||
DEBUGF 1,"Transmit OK\n"
|
||
popf
|
||
xor eax, eax
|
||
ret
|
||
|
||
.fail:
|
||
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]
|
||
|
||
; set_io [ebx + device.io_addr], 0 ; reg_scb_status = 0
|
||
set_io [ebx + device.io_addr], reg_scb_status
|
||
in ax, dx
|
||
out dx, ax ; send it back to ACK
|
||
test ax, ax
|
||
jnz .got_it
|
||
.continue:
|
||
add esi, 4
|
||
dec ecx
|
||
jnz .nextdevice
|
||
.nothing:
|
||
pop edi esi ebx
|
||
xor eax, eax
|
||
|
||
ret ; If no device was found, abort (The irq was probably for a device, not registered to this driver)
|
||
|
||
.got_it:
|
||
|
||
DEBUGF 1,"Device: %x Status: %x\n", ebx, ax
|
||
|
||
test ax, 1 shl 14 ; did we receive a frame?
|
||
jz .no_rx
|
||
|
||
push ax
|
||
|
||
DEBUGF 1,"Receiving\n"
|
||
|
||
push ebx
|
||
.rx_loop:
|
||
pop ebx
|
||
|
||
mov esi, [ebx + device.rx_desc]
|
||
cmp [esi + rxfd.status], 0 ; we could also check bits C and OK (bit 15 and 13)
|
||
je .nodata
|
||
|
||
DEBUGF 1,"rxfd status=0x%x\n", [esi + rxfd.status]:4
|
||
|
||
movzx ecx, [esi + rxfd.count]
|
||
and ecx, 0x3fff
|
||
|
||
push ebx
|
||
push .rx_loop
|
||
push ecx
|
||
add esi, rxfd.packet
|
||
push esi
|
||
|
||
; Update stats
|
||
add dword [ebx + device.bytes_rx], ecx
|
||
adc dword [ebx + device.bytes_rx + 4], 0
|
||
inc dword [ebx + device.packets_rx]
|
||
|
||
; allocate new descriptor
|
||
|
||
invoke KernelAlloc, 2000
|
||
mov [ebx + device.rx_desc], eax
|
||
mov esi, eax
|
||
invoke GetPhysAddr
|
||
mov [esi + rxfd.status], 0x0000
|
||
mov [esi + rxfd.command], 0xc000 ; End of list + Suspend
|
||
mov [esi + rxfd.link], eax
|
||
mov [esi + rxfd.count], 0
|
||
mov [esi + rxfd.size], 1528
|
||
|
||
; restart RX
|
||
|
||
set_io [ebx + device.io_addr], 0
|
||
set_io [ebx + device.io_addr], reg_scb_ptr
|
||
; lea eax, [ebx + device.rx_desc]
|
||
; invoke GetPhysAddr
|
||
out dx, eax
|
||
|
||
set_io [ebx + device.io_addr], reg_scb_cmd
|
||
mov ax, RX_START
|
||
out dx, ax
|
||
call cmd_wait
|
||
|
||
; And give packet to kernel
|
||
jmp [Eth_input]
|
||
|
||
.nodata:
|
||
DEBUGF 1, "no more data\n"
|
||
pop ax
|
||
|
||
.no_rx:
|
||
|
||
; Cleanup after TX
|
||
cmp [ebx + device.txfd.status], 0
|
||
je .done
|
||
cmp [ebx + device.last_tx_buffer], 0
|
||
je .done
|
||
push ax
|
||
DEBUGF 1, "Removing packet 0x%x from RAM!\n", [ebx + device.last_tx_buffer]
|
||
invoke KernelFree, [ebx + device.last_tx_buffer]
|
||
mov [ebx + device.last_tx_buffer], 0
|
||
pop ax
|
||
|
||
.done:
|
||
and ax, 00111100b
|
||
cmp ax, 00001000b
|
||
jne .fail
|
||
|
||
DEBUGF 1, "out of resources!\n"
|
||
; Restart the RX
|
||
|
||
; allocate new descriptor
|
||
|
||
invoke KernelAlloc, 2000
|
||
mov [ebx + device.rx_desc], eax
|
||
mov esi, eax
|
||
invoke GetPhysAddr
|
||
mov [esi + rxfd.status], 0x0000
|
||
mov [esi + rxfd.command], 0xc000 ; End of list + Suspend
|
||
mov [esi + rxfd.link], eax
|
||
mov [esi + rxfd.count], 0
|
||
mov [esi + rxfd.size], 1528
|
||
|
||
; restart RX
|
||
|
||
set_io [ebx + device.io_addr], 0
|
||
set_io [ebx + device.io_addr], reg_scb_ptr
|
||
; lea eax, [ebx + device.rx_desc]
|
||
; invoke GetPhysAddr
|
||
out dx, eax
|
||
|
||
set_io [ebx + device.io_addr], reg_scb_cmd
|
||
mov ax, RX_START
|
||
out dx, ax
|
||
call cmd_wait
|
||
|
||
.fail:
|
||
pop edi esi ebx
|
||
xor eax, eax
|
||
inc eax
|
||
|
||
ret
|
||
|
||
|
||
|
||
|
||
align 4
|
||
cmd_wait:
|
||
|
||
in al, dx
|
||
test al, al
|
||
jnz cmd_wait
|
||
|
||
ret
|
||
|
||
|
||
|
||
|
||
|
||
|
||
align 4
|
||
ee_read: ; esi = address to read
|
||
|
||
DEBUGF 1,"Eeprom read from 0x%x\n", esi
|
||
|
||
set_io [ebx + device.io_addr], 0
|
||
set_io [ebx + device.io_addr], reg_eeprom
|
||
|
||
;-----------------------------------------------------
|
||
; Prepend start bit + read opcode to the address field
|
||
; and shift it to the very left bits of esi
|
||
|
||
mov cl, 29
|
||
sub cl, [ebx + device.ee_bus_width]
|
||
shl esi, cl
|
||
or esi, EE_READ shl 29
|
||
|
||
movzx ecx, [ebx + device.ee_bus_width]
|
||
add ecx, 3
|
||
|
||
mov al, EE_CS
|
||
out dx, al
|
||
call udelay
|
||
|
||
;-----------------------
|
||
; Write this to the chip
|
||
|
||
.loop:
|
||
mov al, EE_CS + EE_SK
|
||
shl esi, 1
|
||
jnc @f
|
||
or al, EE_DI
|
||
@@:
|
||
out dx, al
|
||
call udelay
|
||
|
||
and al, not EE_SK
|
||
out dx, al
|
||
call udelay
|
||
|
||
loop .loop
|
||
|
||
;------------------------------
|
||
; Now read the data from eeprom
|
||
|
||
xor esi, esi
|
||
mov ecx, 16
|
||
|
||
.loop2:
|
||
shl esi, 1
|
||
mov al, EE_CS + EE_SK
|
||
out dx, al
|
||
call udelay
|
||
|
||
in al, dx
|
||
test al, EE_DO
|
||
jz @f
|
||
inc esi
|
||
@@:
|
||
|
||
mov al, EE_CS
|
||
out dx, al
|
||
call udelay
|
||
|
||
loop .loop2
|
||
|
||
;-----------------------
|
||
; de-activate the eeprom
|
||
|
||
xor ax, ax
|
||
out dx, ax
|
||
|
||
|
||
DEBUGF 1,"0x%x\n", esi:4
|
||
ret
|
||
|
||
|
||
|
||
align 4
|
||
ee_write: ; esi = address to write to, di = data
|
||
|
||
DEBUGF 1,"Eeprom write 0x%x to 0x%x\n", di, esi
|
||
|
||
set_io [ebx + device.io_addr], 0
|
||
set_io [ebx + device.io_addr], reg_eeprom
|
||
|
||
;-----------------------------------------------------
|
||
; Prepend start bit + write opcode to the address field
|
||
; and shift it to the very left bits of esi
|
||
|
||
mov cl, 29
|
||
sub cl, [ebx + device.ee_bus_width]
|
||
shl esi, cl
|
||
or esi, EE_WRITE shl 29
|
||
|
||
movzx ecx, [ebx + device.ee_bus_width]
|
||
add ecx, 3
|
||
|
||
mov al, EE_CS ; enable chip
|
||
out dx, al
|
||
|
||
;-----------------------
|
||
; Write this to the chip
|
||
|
||
.loop:
|
||
mov al, EE_CS + EE_SK
|
||
shl esi, 1
|
||
jnc @f
|
||
or al, EE_DI
|
||
@@:
|
||
out dx, al
|
||
call udelay
|
||
|
||
and al, not EE_SK
|
||
out dx, al
|
||
call udelay
|
||
|
||
loop .loop
|
||
|
||
;-----------------------------
|
||
; Now write the data to eeprom
|
||
|
||
mov ecx, 16
|
||
|
||
.loop2:
|
||
mov al, EE_CS + EE_SK
|
||
shl di, 1
|
||
jnc @f
|
||
or al, EE_DI
|
||
@@:
|
||
out dx, al
|
||
call udelay
|
||
|
||
and al, not EE_SK
|
||
out dx, al
|
||
call udelay
|
||
|
||
loop .loop2
|
||
|
||
;-----------------------
|
||
; de-activate the eeprom
|
||
|
||
xor al, al
|
||
out dx, al
|
||
|
||
|
||
ret
|
||
|
||
|
||
|
||
align 4
|
||
ee_get_width:
|
||
|
||
set_io [ebx + device.io_addr], 0
|
||
set_io [ebx + device.io_addr], reg_eeprom
|
||
|
||
mov al, EE_CS ; activate eeprom
|
||
out dx, al
|
||
call udelay
|
||
|
||
mov si, EE_READ shl 13
|
||
xor ecx, ecx
|
||
.loop:
|
||
mov al, EE_CS + EE_SK
|
||
shl si, 1
|
||
jnc @f
|
||
or al, EE_DI
|
||
@@:
|
||
out dx, al
|
||
call udelay
|
||
|
||
and al, not EE_SK
|
||
out dx, al
|
||
call udelay
|
||
|
||
inc ecx
|
||
|
||
cmp ecx, 15
|
||
jae .give_up
|
||
|
||
in al, dx
|
||
test al, EE_DO
|
||
jnz .loop
|
||
|
||
xor al, al
|
||
out dx, al ; de-activate eeprom
|
||
|
||
sub cl, 3 ; dont count the opcode bits
|
||
mov [ebx + device.ee_bus_width], cl
|
||
DEBUGF 1, "Eeprom width=%u bit\n", ecx
|
||
|
||
ret
|
||
|
||
.give_up:
|
||
DEBUGF 2, "Eeprom not found!\n"
|
||
|
||
xor al, al
|
||
out dx, al ; de-activate eeprom
|
||
|
||
ret
|
||
|
||
|
||
; Wait a minimum of 2<>s
|
||
udelay:
|
||
pusha
|
||
mov esi, 1
|
||
invoke Sleep
|
||
popa
|
||
|
||
ret
|
||
|
||
|
||
|
||
; cx = phy addr
|
||
; dx = phy reg addr
|
||
|
||
; ax = data
|
||
|
||
align 4
|
||
mdio_read:
|
||
|
||
DEBUGF 1,"MDIO read\n"
|
||
|
||
shl ecx, 21 ; PHY addr
|
||
shl edx, 16 ; PHY reg addr
|
||
|
||
mov eax, ecx
|
||
or eax, edx
|
||
or eax, 10b shl 26 ; read opcode
|
||
|
||
set_io [ebx + device.io_addr], 0
|
||
set_io [ebx + device.io_addr], reg_mdi_ctrl
|
||
out dx, eax
|
||
|
||
.wait:
|
||
call udelay
|
||
in eax, dx
|
||
test eax, 1 shl 28 ; ready bit
|
||
jz .wait
|
||
|
||
ret
|
||
|
||
; ax = data
|
||
; cx = phy addr
|
||
; dx = phy reg addr
|
||
|
||
; ax = data
|
||
|
||
align 4
|
||
mdio_write:
|
||
|
||
DEBUGF 1,"MDIO write\n"
|
||
|
||
and eax, 0xffff
|
||
|
||
shl ecx, 21 ; PHY addr
|
||
shl edx, 16 ; PHY reg addr
|
||
|
||
or eax, ecx
|
||
or eax, edx
|
||
or eax, 01b shl 26 ; write opcode
|
||
|
||
set_io [ebx + device.io_addr], 0
|
||
set_io [ebx + device.io_addr], reg_mdi_ctrl
|
||
out dx, eax
|
||
|
||
.wait:
|
||
call udelay
|
||
in eax, dx
|
||
test eax, 1 shl 28 ; ready bit
|
||
jz .wait
|
||
|
||
ret
|
||
|
||
read_mac:
|
||
|
||
ret
|
||
|
||
|
||
|
||
align 4
|
||
MAC_read_eeprom:
|
||
|
||
mov esi, 0
|
||
call ee_read
|
||
mov word[ebx + device.mac], si
|
||
|
||
mov esi, 1
|
||
call ee_read
|
||
mov word[ebx + device.mac+2], si
|
||
|
||
mov esi, 2
|
||
call ee_read
|
||
mov word[ebx + device.mac+4], si
|
||
|
||
|
||
ret
|
||
|
||
|
||
align 4
|
||
MAC_write:
|
||
|
||
;;;;
|
||
|
||
ret
|
||
|
||
|
||
|
||
|
||
; End of code
|
||
|
||
|
||
data fixups
|
||
end data
|
||
|
||
include '../peimport.inc'
|
||
|
||
my_service db 'I8255X', 0 ; max 16 chars include zero
|
||
devicename db 'Intel Etherexpress pro/100', 0
|
||
|
||
confcmd_data db 22, 0x08, 0, 0, 0, 0x80, 0x32, 0x03, 1
|
||
db 0, 0x2e, 0, 0x60, 0, 0xf2, 0x48, 0, 0x40, 0xf2
|
||
db 0x80, 0x3f, 0x05 ; 22 bytes total
|
||
|
||
|
||
device_id_list:
|
||
|
||
dw 0x1029
|
||
dw 0x1030
|
||
dw 0x1031
|
||
dw 0x1032
|
||
dw 0x1033
|
||
dw 0x1034
|
||
dw 0x1038
|
||
dw 0x1039
|
||
dw 0x103A
|
||
dw 0x103B
|
||
dw 0x103C
|
||
dw 0x103D
|
||
dw 0x103E
|
||
dw 0x1050
|
||
dw 0x1051
|
||
dw 0x1052
|
||
dw 0x1053
|
||
dw 0x1054
|
||
dw 0x1055
|
||
dw 0x1056
|
||
dw 0x1057
|
||
dw 0x1059
|
||
dw 0x1064
|
||
dw 0x1065
|
||
dw 0x1066
|
||
dw 0x1067
|
||
dw 0x1068
|
||
dw 0x1069
|
||
dw 0x106A
|
||
dw 0x106B
|
||
dw 0x1091
|
||
dw 0x1092
|
||
dw 0x1093
|
||
dw 0x1094
|
||
dw 0x1095
|
||
dw 0x10fe
|
||
dw 0x1209
|
||
dw 0x1229
|
||
dw 0x2449
|
||
dw 0x2459
|
||
dw 0x245D
|
||
dw 0x27DC
|
||
|
||
DEVICE_IDs = ($ - device_id_list) / 2
|
||
|
||
include_debug_strings ; All data wich FDO uses will be included here
|
||
|
||
align 4
|
||
devices dd 0 ; number of currently running devices
|
||
device_list rd MAX_DEVICES ; This list contains all pointers to device structures the driver is handling
|
||
|