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Rev | Author | Line No. | Line |
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3545 | hidnplayr | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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3 | ;; Copyright (C) KolibriOS team 2004-2013. All rights reserved. ;; |
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4 | ;; Distributed under terms of the GNU General Public License ;; |
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5 | ;; ;; |
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6 | ;; Ethernet driver for KolibriOS ;; |
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7 | ;; This is an adaptation of MenuetOS driver with minimal changes. ;; |
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8 | ;; Changes were made by CleverMouse. Original copyright follows. ;; |
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9 | ;; ;; |
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10 | ;; This driver is based on the SIS900 driver from ;; |
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11 | ;; the etherboot 5.0.6 project. The copyright statement is ;; |
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12 | ;; ;; |
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13 | ;; GNU GENERAL PUBLIC LICENSE ;; |
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14 | ;; Version 2, June 1991 ;; |
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15 | ;; ;; |
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16 | ;; remaining parts Copyright 2004 Jason Delozier, ;; |
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17 | ;; cordata51@hotmail.com ;; |
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18 | ;; ;; |
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19 | ;; See file COPYING for details ;; |
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20 | ;; ;; |
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21 | ;; Updates: ;; |
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22 | ;; Revision Look up table and SIS635 Mac Address by Jarek Pelczar ;; |
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23 | ;; ;; |
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24 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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25 | |||
26 | format MS COFF |
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27 | |||
28 | NUM_RX_DESC = 4 ; Number of RX descriptors |
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29 | NUM_TX_DESC = 4 ; Number of TX descriptors |
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30 | RX_BUFF_SZ = 1520 ; Buffer size for each Rx buffer |
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31 | TX_BUFF_SZ = 1516 ; Buffer size for each Tx buffer |
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32 | MAX_ETH_FRAME_SIZE = 1516 |
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33 | |||
34 | API_VERSION = 0x01000100 |
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35 | DRIVER_VERSION = 5 |
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36 | |||
37 | MAX_DEVICES = 16 |
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38 | |||
39 | DEBUG = 1 |
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40 | __DEBUG__ = 1 |
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41 | __DEBUG_LEVEL__ = 2 |
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42 | |||
43 | DSIZE = 0x00000fff |
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44 | CRC_SIZE = 4 |
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45 | RFADDR_shift = 16 |
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46 | |||
47 | ; If you are having problems sending/receiving packet try changing the |
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48 | ; Max DMA Burst, Possible settings are as follows: |
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49 | ; |
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50 | ; 0x00000000 = 512 bytes |
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51 | ; 0x00100000 = 4 bytes |
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52 | ; 0x00200000 = 8 bytes |
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53 | ; 0x00300000 = 16 bytes |
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54 | ; 0x00400000 = 32 bytes |
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55 | ; 0x00500000 = 64 bytes |
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56 | ; 0x00600000 = 128 bytes |
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57 | ; 0x00700000 = 256 bytes |
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58 | |||
59 | RX_DMA = 0x00600000 |
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60 | TX_DMA = 0x00600000 |
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61 | |||
62 | ;------------------------------------------------------------------------------------------------- |
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63 | ; Symbolic offsets to registers. |
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64 | cr = 0x0 ; Command Register |
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65 | cfg = 0x4 ; Configuration Register |
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66 | mear = 0x8 ; EEPROM Access Register |
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67 | ptscr = 0xc ; PCI Test Control Register |
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68 | isr = 0x10 ; Interrupt Status Register |
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69 | imr = 0x14 ; Interrupt Mask Register |
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70 | ier = 0x18 ; Interrupt Enable Register |
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71 | epar = 0x18 ; Enhanced PHY Access Register |
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72 | txdp = 0x20 ; Transmit Descriptor Pointer Register |
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73 | txcfg = 0x24 ; Transmit Configuration Register |
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74 | rxdp = 0x30 ; Receive Descriptor Pointer Register |
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75 | rxcfg = 0x34 ; Receive Configuration Register |
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76 | flctrl = 0x38 ; Flow Control Register |
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77 | rxlen = 0x3c ; Receive Packet Length Register |
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78 | rfcr = 0x48 ; Receive Filter Control Register |
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79 | rfdr = 0x4C ; Receive Filter Data Register |
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80 | pmctrl = 0xB0 ; Power Management Control Register |
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81 | pmer = 0xB4 ; Power Management Wake-up Event Register |
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82 | |||
83 | ; Command Register Bits |
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84 | RELOAD = 0x00000400 |
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85 | ACCESSMODE = 0x00000200 |
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86 | RESET = 0x00000100 |
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87 | SWI = 0x00000080 |
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88 | RxRESET = 0x00000020 |
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89 | TxRESET = 0x00000010 |
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90 | RxDIS = 0x00000008 |
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91 | RxENA = 0x00000004 |
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92 | TxDIS = 0x00000002 |
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93 | TxENA = 0x00000001 |
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94 | |||
95 | ; Configuration Register Bits |
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96 | DESCRFMT = 0x00000100 ; 7016 specific |
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97 | REQALG = 0x00000080 |
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98 | SB = 0x00000040 |
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99 | POW = 0x00000020 |
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100 | EXD = 0x00000010 |
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101 | PESEL = 0x00000008 |
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102 | LPM = 0x00000004 |
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103 | BEM = 0x00000001 |
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104 | RND_CNT = 0x00000400 |
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105 | FAIR_BACKOFF = 0x00000200 |
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106 | EDB_MASTER_EN = 0x00002000 |
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107 | |||
108 | ; Eeprom Access Reigster Bits |
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109 | MDC = 0x00000040 |
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110 | MDDIR = 0x00000020 |
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111 | MDIO = 0x00000010 ; 7016 specific |
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112 | EECS = 0x00000008 |
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113 | EECLK = 0x00000004 |
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114 | EEDO = 0x00000002 |
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115 | EEDI = 0x00000001 |
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116 | |||
117 | ; TX Configuration Register Bits |
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118 | ATP = 0x10000000 ; Automatic Transmit Padding |
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119 | MLB = 0x20000000 ; Mac Loopback Enable |
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120 | HBI = 0x40000000 ; HeartBeat Ignore (Req for full-dup) |
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121 | CSI = 0x80000000 ; CarrierSenseIgnore (Req for full-du |
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122 | |||
123 | ; RX Configuration Register Bits |
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124 | AJAB = 0x08000000 ; |
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125 | ATX = 0x10000000 ; Accept Transmit Packets |
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126 | ARP = 0x40000000 ; accept runt packets (<64bytes) |
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127 | AEP = 0x80000000 ; accept error packets |
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128 | |||
129 | ; Interrupt Register Bits |
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130 | WKEVT = 0x10000000 |
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131 | TxPAUSEEND = 0x08000000 |
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132 | TxPAUSE = 0x04000000 |
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133 | TxRCMP = 0x02000000 ; Transmit Reset Complete |
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134 | RxRCMP = 0x01000000 ; Receive Reset Complete |
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135 | DPERR = 0x00800000 |
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136 | SSERR = 0x00400000 |
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137 | RMABT = 0x00200000 |
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138 | RTABT = 0x00100000 |
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139 | RxSOVR = 0x00010000 |
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140 | HIBERR = 0x00008000 |
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141 | SWINT = 0x00001000 |
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142 | MIBINT = 0x00000800 |
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143 | TxURN = 0x00000400 |
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144 | TxIDLE = 0x00000200 |
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145 | TxERR = 0x00000100 |
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146 | TxDESC = 0x00000080 |
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147 | TxOK = 0x00000040 |
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148 | RxORN = 0x00000020 |
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149 | RxIDLE = 0x00000010 |
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150 | RxEARLY = 0x00000008 |
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151 | RxERR = 0x00000004 |
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152 | RxDESC = 0x00000002 |
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153 | RxOK = 0x00000001 |
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154 | |||
155 | ; Interrupt Enable Register Bits |
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156 | IE = RxOK + TxOK |
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157 | |||
158 | ; Revision ID |
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159 | SIS900B_900_REV = 0x03 |
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160 | SIS630A_900_REV = 0x80 |
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161 | SIS630E_900_REV = 0x81 |
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162 | SIS630S_900_REV = 0x82 |
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163 | SIS630EA1_900_REV = 0x83 |
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164 | SIS630ET_900_REV = 0x84 |
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165 | SIS635A_900_REV = 0x90 |
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166 | SIS900_960_REV = 0x91 |
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167 | |||
168 | ; Receive Filter Control Register Bits |
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169 | RFEN = 0x80000000 ; enable |
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170 | RFAAB = 0x40000000 ; accept all broadcasts |
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171 | RFAAM = 0x20000000 ; accept all multicasts |
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172 | RFAAP = 0x10000000 ; accept all packets |
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173 | |||
174 | ; Reveive Filter Data Mask |
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175 | RFDAT = 0x0000FFFF |
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176 | |||
177 | ; Eeprom Address |
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178 | EEPROMSignature = 0x00 |
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179 | EEPROMVendorID = 0x02 |
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180 | EEPROMDeviceID = 0x03 |
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181 | EEPROMMACAddr = 0x08 |
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182 | EEPROMChecksum = 0x0b |
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183 | |||
184 | ; The EEPROM commands include the alway-set leading bit. |
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185 | EEread = 0x0180 |
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186 | EEwrite = 0x0140 |
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187 | EEerase = 0x01C0 |
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188 | EEwriteEnable = 0x0130 |
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189 | EEwriteDisable = 0x0100 |
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190 | EEeraseAll = 0x0120 |
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191 | EEwriteAll = 0x0110 |
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192 | EEaddrMask = 0x013F |
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193 | EEcmdShift = 16 |
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194 | |||
195 | ; For SiS962 or SiS963, request the eeprom software access |
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196 | EEREQ = 0x00000400 |
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197 | EEDONE = 0x00000200 |
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198 | EEGNT = 0x00000100 |
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199 | |||
200 | |||
201 | include '../proc32.inc' |
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202 | include '../imports.inc' |
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203 | include '../fdo.inc' |
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204 | include '../netdrv.inc' |
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205 | |||
206 | public START |
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207 | public version |
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208 | |||
209 | |||
210 | virtual at ebx |
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211 | device: |
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212 | |||
213 | ETH_DEVICE |
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214 | |||
215 | .io_addr dd ? |
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216 | .pci_bus dd ? |
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217 | .pci_dev dd ? |
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218 | .irq_line db ? |
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219 | .cur_rx db ? |
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220 | .cur_tx db ? |
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221 | .last_tx db ? |
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222 | .pci_revision db ? |
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223 | .table_entries db ? |
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224 | rb 2 ; alignment |
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225 | |||
226 | .txd rd (4 * NUM_TX_DESC) |
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227 | .rxd rd (4 * NUM_RX_DESC) |
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228 | |||
229 | .size = $ - device |
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230 | |||
231 | end virtual |
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232 | |||
233 | macro ee_delay { |
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234 | push eax |
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235 | in eax, dx |
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236 | in eax, dx |
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237 | in eax, dx |
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238 | in eax, dx |
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239 | in eax, dx |
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240 | in eax, dx |
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241 | in eax, dx |
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242 | in eax, dx |
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243 | in eax, dx |
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244 | in eax, dx |
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245 | pop eax |
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246 | } |
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247 | |||
248 | |||
249 | section '.flat' code readable align 16 |
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250 | |||
251 | ; Driver entry point - register our service when the driver is loading. |
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252 | ; TODO: add needed operations when unloading |
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253 | START: |
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254 | cmp dword [esp+4], 1 |
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255 | jne .exit |
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256 | stdcall RegService, my_service, service_proc |
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257 | ret 4 |
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258 | .exit: |
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259 | xor eax, eax |
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260 | ret 4 |
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261 | |||
262 | ; Service procedure for the driver - handle all I/O requests for the driver. |
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263 | ; Currently handled requests are: SRV_GETVERSION = 0 and SRV_HOOK = 1. |
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264 | service_proc: |
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265 | ; 1. Get parameter from the stack: [esp+4] is the first parameter, |
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266 | ; pointer to IOCTL structure. |
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267 | mov edx, [esp+4] ; edx -> IOCTL |
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268 | ; 2. Get request code and select a handler for the code. |
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269 | mov eax, [IOCTL.io_code] |
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270 | test eax, eax ; check for SRV_GETVERSION |
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271 | jnz @f |
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272 | ; 3. This is SRV_GETVERSION request, no input, 4 bytes output, API_VERSION. |
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273 | ; 3a. Output size must be at least 4 bytes. |
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274 | cmp [IOCTL.out_size], 4 |
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275 | jb .fail |
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276 | ; 3b. Write result to the output buffer. |
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277 | mov eax, [IOCTL.output] |
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278 | mov [eax], dword API_VERSION |
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279 | ; 3c. Return success. |
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280 | xor eax, eax |
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281 | ret 4 |
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282 | @@: |
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283 | dec eax ; check for SRV_HOOK |
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284 | jnz .fail |
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285 | ; 4. This is SRV_HOOK request, input defines the device to hook, no output. |
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286 | ; 4a. The driver works only with PCI devices, |
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287 | ; so input must be at least 3 bytes long. |
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288 | cmp [IOCTL.inp_size], 3 |
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289 | jb .fail |
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290 | ; 4b. First byte of input is bus type, 1 stands for PCI. |
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291 | mov eax, [IOCTL.input] |
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292 | cmp byte [eax], 1 |
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293 | jne .fail |
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294 | ; 4c. Second and third bytes of the input define the device: bus and dev. |
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295 | ; Word in bx holds both bytes. |
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296 | mov bx, [eax+1] |
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297 | ; 4d. Check if the device was already hooked, |
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298 | ; scan through the list of known devices. |
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299 | ; check if the device is already listed |
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300 | mov esi, device_list |
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301 | mov ecx, [devices] |
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302 | test ecx, ecx |
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303 | jz .firstdevice |
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304 | |||
305 | ; mov eax, [IOCTL.input] ; get the pci bus and device numbers |
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306 | mov ax, [eax+1] ; |
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307 | .nextdevice: |
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308 | mov ebx, [esi] |
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309 | cmp al, byte[device.pci_bus] |
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310 | jne @f |
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311 | cmp ah, byte[device.pci_dev] |
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312 | je .find_devicenum ; Device is already loaded, let's find it's device number |
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313 | @@: |
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314 | add esi, 4 |
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315 | loop .nextdevice |
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316 | ; 4e. This device doesn't have its own eth_device structure yet, let's create one |
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317 | .firstdevice: |
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318 | ; 4f. Check that we have place for new device. |
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319 | cmp [devices], MAX_DEVICES |
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320 | jae .fail |
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321 | ; 4g. Allocate memory for device descriptor and receive+transmit buffers. |
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322 | ; 4h. Zero the structure. |
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323 | allocate_and_clear ebx, device.size, .fail |
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324 | ; 4i. Save PCI coordinates |
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325 | mov eax, [IOCTL.input] |
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326 | movzx ecx, byte[eax+1] |
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327 | mov [device.pci_bus], ecx |
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328 | movzx ecx, byte[eax+2] |
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329 | mov [device.pci_dev], ecx |
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330 | ; 4j. Fill in the direct call addresses into the struct. |
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331 | mov [device.reset], reset |
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332 | mov [device.transmit], transmit |
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333 | mov [device.unload], unload |
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334 | mov [device.name], my_service |
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335 | |||
336 | ; 4k. Now, it's time to find the base io addres of the PCI device |
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337 | ; TODO: implement check if bus and dev exist on this machine |
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338 | |||
339 | ; Now, it's time to find the base io addres of the PCI device |
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340 | PCI_find_io |
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341 | |||
342 | ; We've found the io address, find IRQ now |
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343 | PCI_find_irq |
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344 | |||
345 | ; 4m. Add new device to the list (required for int_handler). |
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346 | mov eax, [devices] |
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347 | mov [device_list+4*eax], ebx |
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348 | inc [devices] |
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349 | |||
350 | ; 4m. Ok, the eth_device structure is ready, let's probe the device |
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351 | call probe |
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352 | test eax, eax |
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353 | jnz .destroy |
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354 | ; 4n. If device was successfully initialized, register it for the kernel. |
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355 | |||
356 | mov [device.type], NET_TYPE_ETH |
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357 | call NetRegDev |
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358 | |||
359 | cmp eax, -1 |
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360 | je .destroy |
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361 | |||
362 | ret 4 |
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363 | |||
364 | ; 5. If the device was already loaded, find the device number and return it in eax |
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365 | |||
366 | .find_devicenum: |
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367 | call NetPtrToNum ; This kernel procedure converts a pointer to device struct in ebx |
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368 | ; into a device number in edi |
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369 | mov eax, edi ; Application wants it in eax instead |
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370 | ret 4 |
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371 | |||
372 | ; If an error occured, remove all allocated data and exit (returning -1 in eax) |
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373 | |||
374 | .destroy: |
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375 | dec [devices] |
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376 | ; todo: reset device into virgin state |
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377 | |||
378 | .err: |
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379 | stdcall KernelFree, ebx |
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380 | |||
381 | .fail: |
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382 | xor eax, eax |
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383 | ret 4 |
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384 | |||
385 | |||
386 | ;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;; |
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387 | ;; ;; |
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388 | ;; Actual Hardware dependent code starts here ;; |
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389 | ;; ;; |
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390 | ;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;; |
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391 | |||
392 | unload: |
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393 | ; TODO: (in this particular order) |
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394 | ; |
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395 | ; - Stop the device |
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396 | ; - Detach int handler |
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397 | ; - Remove device from local list |
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398 | ; - call unregister function in kernel |
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399 | ; - Remove all allocated structures and buffers the card used |
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400 | |||
401 | or eax,-1 |
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402 | |||
403 | ret |
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404 | |||
405 | ;*************************************************************************** |
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406 | ; |
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407 | ; probe |
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408 | ; |
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409 | ; checks the card and enables it |
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410 | ; |
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411 | ; TODO: probe mii transceivers |
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412 | ; |
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413 | ;*************************************************************************** |
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414 | align 4 |
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415 | probe: |
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416 | DEBUGF 1, "Probe\n" |
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417 | |||
418 | ; wake up device CHECKME |
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419 | stdcall PciWrite8, [device.pci_bus], [device.pci_dev], 0x40, 0 |
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420 | |||
421 | PCI_make_bus_master |
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422 | |||
423 | PCI_adjust_latency 64 |
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424 | |||
425 | ; Get Card Revision |
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426 | stdcall PciRead8, [device.pci_bus], [device.pci_dev], 0x08 |
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427 | mov [device.pci_revision], al ; save the revision for later use |
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428 | |||
429 | ; Look up through the specific_table |
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430 | mov esi, specific_table |
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431 | .tableloop: |
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432 | cmp dword [esi], 0 ; Check if we reached end of the list |
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433 | je .notsupported |
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434 | cmp al, [esi] ; Check if revision is OK |
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435 | je .ok |
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436 | add esi, 12 ; Advance to next entry |
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437 | jmp .tableloop |
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438 | |||
439 | .ok: |
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440 | |||
441 | call dword[esi + 4] ; "get MAC" function |
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442 | |||
443 | ; Set table entries |
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444 | mov [device.table_entries], 16 |
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445 | cmp [device.pci_revision], SIS635A_900_REV |
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446 | jae @f |
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447 | cmp [device.pci_revision], SIS900B_900_REV |
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448 | je @f |
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449 | mov [device.table_entries], 8 |
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450 | @@: |
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451 | |||
452 | ; TODO: Probe for mii transceiver |
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453 | |||
454 | jmp reset |
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455 | |||
456 | .notsupported: |
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457 | DEBUGF 1, "Device not supported\n" |
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458 | or eax, -1 |
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459 | |||
460 | ret |
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461 | |||
462 | reset: |
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463 | |||
464 | DEBUGF 1, "reset\n" |
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465 | |||
466 | movzx eax, [device.irq_line] |
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467 | stdcall AttachIntHandler, eax, int_handler, 0 |
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468 | |||
469 | ;-------------------------------------------- |
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470 | ; Disable Interrupts and reset Receive Filter |
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471 | |||
472 | set_io 0 |
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473 | set_io ier |
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474 | xor eax, eax |
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475 | out dx, eax |
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476 | |||
477 | set_io imr |
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478 | out dx, eax |
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479 | |||
480 | set_io rfcr |
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481 | out dx, eax |
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482 | |||
483 | ;----------- |
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484 | ; Reset Card |
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485 | |||
486 | set_io cr |
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487 | in eax, dx ; Get current Command Register |
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488 | or eax, RESET + RxRESET + TxRESET ; set flags |
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489 | out dx, eax ; Write new Command Register |
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490 | |||
491 | ;---------- |
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492 | ; Wait loop |
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493 | |||
494 | set_io isr |
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495 | mov ecx, 1000 |
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496 | .loop: |
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497 | dec ecx |
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498 | jz .fail |
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499 | in eax, dx ; read interrupt status |
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500 | test eax, TxRCMP + RxRCMP |
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501 | jz .loop |
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502 | DEBUGF 1, "status=%x\n", eax |
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503 | |||
504 | ;------------------------------------------------------ |
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505 | ; Set Configuration Register depending on Card Revision |
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506 | |||
507 | set_io cfg |
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508 | mov eax, PESEL ; Configuration Register Bit |
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509 | cmp [device.pci_revision], SIS635A_900_REV |
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510 | je .match |
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511 | cmp [device.pci_revision], SIS900B_900_REV ; Check card revision |
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512 | jne .done |
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513 | .match: ; Revision match |
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514 | or eax, RND_CNT ; Configuration Register Bit |
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515 | .done: |
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516 | out dx, eax |
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517 | |||
518 | DEBUGF 1, "Initialising RX Filter\n" |
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519 | |||
520 | ; Get Receive Filter Control Register |
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521 | set_io rfcr |
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522 | in eax, dx |
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523 | push eax |
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524 | |||
525 | ; disable packet filtering before setting filter |
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526 | and eax, not RFEN |
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527 | out dx, eax |
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528 | |||
529 | ; load MAC addr to filter data register |
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530 | xor ecx, ecx |
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531 | .macloop: |
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532 | mov eax, ecx |
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533 | set_io 0 |
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534 | set_io rfcr |
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535 | shl eax, 16 ; high word of eax tells card which mac byte to write |
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536 | out dx, eax ; |
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537 | set_io rfdr |
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538 | mov ax, word [device.mac + ecx*2] ; Get Mac ID word |
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539 | out dx, ax ; Send Mac ID |
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540 | inc cl ; send next word |
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541 | cmp cl, 3 ; more to send? |
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542 | jne .macloop |
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543 | |||
544 | ; enable packet filtering |
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545 | pop eax ; old register value |
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546 | set_io rfcr |
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547 | or eax, RFEN ; enable filtering |
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548 | out dx, eax ; set register |
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549 | |||
550 | DEBUGF 1, "Initialising TX Descriptors\n" |
||
551 | |||
552 | mov ecx, NUM_TX_DESC |
||
553 | lea esi, [device.txd] |
||
554 | .txdescloop: |
||
555 | lea eax, [esi + 16] ; next ptr |
||
556 | GetRealAddr |
||
557 | mov dword [esi], eax ; link to next desc |
||
558 | mov dword [esi + 4], 0 ; status field |
||
559 | mov dword [esi + 8], 0 ; ptr to buffer |
||
560 | add esi, 16 |
||
561 | dec ecx |
||
562 | jnz .txdescloop |
||
563 | |||
564 | lea eax, [device.txd] |
||
565 | GetRealAddr |
||
566 | mov dword [esi - 16], eax ; correct last descriptor link ptr |
||
567 | |||
568 | set_io txdp ; TX Descriptor Pointer |
||
569 | ; lea eax, [device.txd] |
||
570 | ; GetRealAddr |
||
571 | out dx, eax |
||
572 | |||
573 | mov [device.cur_tx], 0 ; Set current tx descriptor to 0 |
||
574 | mov [device.last_tx], 0 |
||
575 | |||
576 | DEBUGF 1, "Initialising RX Descriptors\n" |
||
577 | |||
578 | mov ecx, NUM_RX_DESC |
||
579 | lea esi, [device.rxd] |
||
580 | .rxdescloop: |
||
581 | lea eax, [esi + 16] ; next ptr |
||
582 | GetRealAddr |
||
583 | mov dword [esi], eax |
||
584 | mov dword [esi + 4], RX_BUFF_SZ ; size |
||
585 | |||
586 | push ecx esi |
||
587 | stdcall KernelAlloc, RX_BUFF_SZ |
||
588 | pop esi ecx |
||
589 | test eax, eax |
||
590 | jz .fail |
||
591 | mov dword [esi + 12], eax ; address |
||
592 | GetRealAddr |
||
593 | mov dword [esi + 8], eax ; real address |
||
594 | add esi, 16 |
||
595 | dec ecx |
||
596 | jnz .rxdescloop |
||
597 | |||
598 | lea eax, [device.rxd] |
||
599 | GetRealAddr |
||
600 | mov dword [esi - 16], eax ; correct last descriptor link ptr |
||
601 | |||
602 | set_io 0 |
||
603 | set_io rxdp |
||
604 | ; lea eax, [device.rxd] |
||
605 | ; GetRealAddr |
||
606 | out dx, eax |
||
607 | |||
608 | mov [device.cur_rx], 0 ; Set current rx descriptor to 0 |
||
609 | |||
610 | DEBUGF 1, "setting RX mode\n" |
||
611 | |||
612 | xor cl, cl |
||
613 | .rxfilterloop: |
||
614 | set_io 0 |
||
615 | set_io rfcr ; Receive Filter Control Reg offset |
||
616 | mov eax, 4 ; determine table entry |
||
617 | add al, cl |
||
618 | shl eax, 16 |
||
619 | out dx, eax ; tell card which entry to modify |
||
620 | |||
621 | set_io rfdr ; Receive Filter Control Reg offset |
||
622 | mov eax, 0xffff ; entry value |
||
623 | out dx, ax ; write value to table in card |
||
624 | |||
625 | inc cl ; next entry |
||
626 | cmp cl, [device.table_entries] |
||
627 | jb .rxfilterloop |
||
628 | |||
629 | set_io rfcr ; Receive Filter Control Register offset |
||
630 | mov eax, RFAAB + RFAAM + RFAAP + RFEN |
||
631 | out dx, eax |
||
632 | |||
633 | set_io rxcfg ; Receive Config Register offset |
||
634 | mov eax, ATX + RX_DMA + 2 ; 0x2 : RX Drain Threshold = 8*8=64 bytes |
||
635 | out dx, eax |
||
636 | |||
637 | DEBUGF 1, "setting TX mode\n" |
||
638 | |||
639 | set_io txcfg ; Transmit config Register offset |
||
640 | mov eax, ATP + HBI + CSI + TX_DMA + 0x120 |
||
641 | ; TX Fill threshold = 0x100 |
||
642 | ; TX Drain Threshold = 0x20 |
||
643 | out dx, eax |
||
644 | |||
645 | DEBUGF 1, "Enabling interrupts\n" |
||
646 | |||
647 | set_io imr |
||
648 | mov eax, IE ; Interrupt enable mask |
||
649 | out dx, eax |
||
650 | |||
651 | set_io cr |
||
652 | in eax, dx |
||
653 | or eax, RxENA ; Enable Receive |
||
654 | out dx, eax |
||
655 | |||
656 | set_io ier ; Interrupt enable |
||
657 | mov eax, 1 |
||
658 | out dx, eax |
||
659 | |||
660 | mov [device.mtu], 1514 |
||
661 | |||
662 | ; Set link state to unknown |
||
663 | mov [device.state], ETH_LINK_UNKOWN |
||
664 | |||
665 | xor eax, eax |
||
666 | ret |
||
667 | |||
668 | .fail: |
||
669 | DEBUGF 1, "Resetting device failed\n" |
||
670 | or eax, -1 |
||
671 | |||
672 | ret |
||
673 | |||
674 | |||
675 | ;*************************************************************************** |
||
676 | ; |
||
677 | ; SIS960_get_mac_addr: - Get MAC address for SiS962 or SiS963 model |
||
678 | ; |
||
679 | ; SiS962 or SiS963 model, use EEPROM to store MAC address. |
||
680 | ; EEPROM is shared by LAN and 1394. |
||
681 | ; When access EEPROM, send EEREQ signal to hardware first, and wait for EEGNT. |
||
682 | ; If EEGNT is ON, EEPROM is permitted to be accessed by LAN, otherwise is not. |
||
683 | ; After MAC address is read from EEPROM, send |
||
684 | ; EEDONE signal to refuse EEPROM access by LAN. |
||
685 | ; The EEPROM map of SiS962 or SiS963 is different to SiS900. |
||
686 | ; The signature field in SiS962 or SiS963 spec is meaningless. |
||
687 | ; |
||
688 | ; Return 0 is EAX = failure |
||
689 | ; |
||
690 | ;*************************************************************************** |
||
691 | align 4 |
||
692 | SIS960_get_mac_addr: |
||
693 | DEBUGF 1, "SIS960 - get mac: " |
||
694 | |||
695 | ;------------------------------- |
||
696 | ; Send Request for eeprom access |
||
697 | |||
698 | set_io 0 |
||
699 | set_io mear ; Eeprom access register |
||
700 | mov eax, EEREQ ; Request access to eeprom |
||
701 | out dx, eax ; Send request |
||
702 | |||
703 | ;----------------------------------------------------- |
||
704 | ; Loop 4000 times and if access not granted, error out |
||
705 | |||
706 | mov ecx, 4000 |
||
707 | .loop: |
||
708 | in eax, dx ; get eeprom status |
||
709 | test eax, EEGNT ; see if eeprom access granted flag is set |
||
710 | jnz .got_access ; if it is, go access the eeprom |
||
711 | loop .loop ; else keep waiting |
||
712 | |||
713 | DEBUGF 1, "Access to EEprom failed!\n", 0 |
||
714 | |||
715 | set_io mear ; Eeprom access register |
||
716 | mov eax, EEDONE ; tell eeprom we are done |
||
717 | out dx, eax |
||
718 | |||
719 | or eax, -1 ; error |
||
720 | ret |
||
721 | |||
722 | .got_access: |
||
723 | |||
724 | ;------------------------------------------ |
||
725 | ; EEprom access granted, read MAC from card |
||
726 | |||
727 | ; zero based so 3-16 bit reads will take place |
||
728 | |||
729 | mov ecx, 2 |
||
730 | .read_loop: |
||
731 | mov eax, EEPROMMACAddr ; Base Mac Address |
||
732 | add eax, ecx ; Current Mac Byte Offset |
||
733 | push ecx |
||
734 | call read_eeprom ; try to read 16 bits |
||
735 | pop ecx |
||
736 | mov word [device.mac+ecx*2], ax ; save 16 bits to the MAC ID varible |
||
737 | dec ecx ; one less word to read |
||
738 | jns .read_loop ; if more read more |
||
739 | mov eax, 1 ; return non-zero indicating success |
||
740 | |||
741 | DEBUGF 2,"%x-%x-%x-%x-%x-%x\n",[device.mac]:2,[device.mac+1]:2,[device.mac+2]:2,[device.mac+3]:2,[device.mac+4]:2,[device.mac+5]:2 |
||
742 | |||
743 | ;------------------------------------- |
||
744 | ; Tell EEPROM We are Done Accessing It |
||
745 | |||
746 | .done: |
||
747 | set_io 0 |
||
748 | set_io mear ; Eeprom access register |
||
749 | mov eax, EEDONE ; tell eeprom we are done |
||
750 | out dx, eax |
||
751 | |||
752 | xor eax, eax ; ok |
||
753 | ret |
||
754 | |||
755 | |||
756 | |||
757 | |||
758 | ;*************************************************************************** |
||
759 | ; |
||
760 | ; get_mac_addr: - Get MAC address for stand alone SiS900 model |
||
761 | ; |
||
762 | ; Older SiS900 and friends, use EEPROM to store MAC address. |
||
763 | ; |
||
764 | ;*************************************************************************** |
||
765 | align 4 |
||
766 | SIS900_get_mac_addr: |
||
767 | DEBUGF 1, "SIS900 - get mac: " |
||
768 | |||
769 | ;------------------------------------ |
||
770 | ; check to see if we have sane EEPROM |
||
771 | |||
772 | mov eax, EEPROMSignature ; Base Eeprom Signature |
||
773 | call read_eeprom ; try to read 16 bits |
||
774 | cmp ax, 0xffff |
||
775 | je .err |
||
776 | test ax, ax |
||
777 | je .err |
||
778 | |||
779 | ;----------- |
||
780 | ; Read MacID |
||
781 | |||
782 | ; zero based so 3-16 bit reads will take place |
||
783 | |||
784 | mov ecx, 2 |
||
785 | .loop: |
||
786 | mov eax, EEPROMMACAddr ; Base Mac Address |
||
787 | add eax, ecx ; Current Mac Byte Offset |
||
788 | push ecx |
||
789 | call read_eeprom ; try to read 16 bits |
||
790 | pop ecx |
||
791 | mov word [device.mac+ecx*2], ax ; save 16 bits to the MAC ID storage |
||
792 | dec ecx ; one less word to read |
||
793 | jns .loop ; if more read more |
||
794 | |||
795 | DEBUGF 2,"%x-%x-%x-%x-%x-%x\n",[device.mac]:2,[device.mac+1]:2,[device.mac+2]:2,[device.mac+3]:2,[device.mac+4]:2,[device.mac+5]:2 |
||
796 | |||
797 | xor eax, eax |
||
798 | ret |
||
799 | |||
800 | |||
801 | .err: |
||
802 | DEBUGF 1, "Access to EEprom failed!\n", 0 |
||
803 | |||
804 | or eax, -1 |
||
805 | ret |
||
806 | |||
807 | |||
808 | ;*************************************************************************** |
||
809 | ; |
||
810 | ; Get_Mac_SIS635_900_REV: - Get MAC address for model 635 |
||
811 | ; |
||
812 | ;*************************************************************************** |
||
813 | align 4 |
||
814 | Get_Mac_SIS635_900_REV: |
||
815 | DEBUGF 1, "SIS635 - get mac: " |
||
816 | |||
817 | set_io 0 |
||
818 | set_io rfcr |
||
819 | in eax, dx |
||
820 | mov esi, eax |
||
821 | |||
822 | set_io cr |
||
823 | or eax, RELOAD |
||
824 | out dx, eax |
||
825 | |||
826 | xor eax, eax |
||
827 | out dx, eax |
||
828 | |||
829 | ;----------------------------------------------- |
||
830 | ; Disable packet filtering before setting filter |
||
831 | |||
832 | set_io rfcr |
||
833 | mov eax, esi |
||
834 | and eax, not RFEN |
||
835 | out dx, eax |
||
836 | |||
837 | ;--------------------------------- |
||
838 | ; Load MAC to filter data register |
||
839 | |||
840 | xor ecx, ecx |
||
841 | lea edi, [device.mac] |
||
842 | .loop: |
||
843 | set_io 0 |
||
844 | set_io rfcr |
||
845 | mov eax, ecx |
||
846 | shl eax, RFADDR_shift |
||
847 | out dx, eax |
||
848 | |||
849 | set_io rfdr |
||
850 | in ax, dx |
||
851 | stosw |
||
852 | inc ecx |
||
853 | cmp ecx, 3 |
||
854 | jb .loop |
||
855 | |||
856 | ;------------------------ |
||
857 | ; Enable packet filtering |
||
858 | |||
859 | set_io rfcr |
||
860 | mov eax, esi |
||
861 | or eax, RFEN |
||
862 | out dx, eax |
||
863 | |||
864 | DEBUGF 2,"%x-%x-%x-%x-%x-%x\n",[device.mac]:2,[device.mac+1]:2,[device.mac+2]:2,[device.mac+3]:2,[device.mac+4]:2,[device.mac+5]:2 |
||
865 | |||
866 | xor eax, eax |
||
867 | ret |
||
868 | |||
869 | ;*************************************************************************** |
||
870 | ; |
||
871 | ; read_eeprom |
||
872 | ; |
||
873 | ; reads and returns a given location from EEPROM |
||
874 | ; |
||
875 | ; IN: si = addr |
||
876 | ; OUT: ax = data |
||
877 | ; |
||
878 | ;*************************************************************************** |
||
879 | align 4 |
||
880 | read_eeprom: |
||
881 | |||
882 | set_io 0 |
||
883 | set_io mear |
||
884 | |||
885 | xor eax, eax ; start send |
||
886 | out dx, eax |
||
887 | ee_delay |
||
888 | |||
889 | or eax, EECLK |
||
890 | out dx, eax |
||
891 | ee_delay |
||
892 | |||
893 | ;------------------------------------ |
||
894 | ; Send the read command |
||
895 | |||
896 | or esi, EEread |
||
897 | mov ecx, 1 shl 9 |
||
898 | |||
899 | .loop: |
||
900 | mov eax, EECS |
||
901 | test esi, ecx |
||
902 | jz @f |
||
903 | or eax, EEDI |
||
904 | @@: |
||
905 | out dx, eax |
||
906 | ee_delay |
||
907 | |||
908 | or eax, EECLK |
||
909 | out dx, eax |
||
910 | ee_delay |
||
911 | |||
912 | shr esi, 1 |
||
913 | jnc .loop |
||
914 | |||
915 | mov eax, EECS |
||
916 | out dx, eax |
||
917 | ee_delay |
||
918 | |||
919 | ;------------------------ |
||
920 | ; Read 16-bits of data in |
||
921 | |||
922 | xor esi, esi |
||
923 | mov cx, 16 |
||
924 | .loop2: |
||
925 | mov eax, EECS |
||
926 | out dx, eax |
||
927 | ee_delay |
||
928 | |||
929 | or eax, EECLK |
||
930 | out dx, eax |
||
931 | ee_delay |
||
932 | |||
933 | in eax, dx |
||
934 | shl esi, 1 |
||
935 | test eax, EEDO |
||
936 | jz @f |
||
937 | inc esi |
||
938 | @@: |
||
939 | loop .loop2 |
||
940 | |||
941 | ;---------------------------- |
||
942 | ; Terminate the EEPROM access |
||
943 | |||
944 | xor eax, eax |
||
945 | out dx, eax |
||
946 | ee_delay |
||
947 | |||
948 | mov eax, EECLK |
||
949 | out dx, eax |
||
950 | ee_delay |
||
951 | |||
952 | movzx eax, si |
||
953 | |||
954 | ret |
||
955 | |||
956 | |||
957 | |||
958 | align 4 |
||
959 | write_mac: |
||
960 | DEBUGF 1,'Setting MAC is not supported for SIS900 card.\n' |
||
961 | add esp, 6 |
||
962 | ret |
||
963 | |||
964 | |||
965 | |||
966 | |||
967 | ;*************************************************************************** |
||
968 | ; Function |
||
969 | ; transmit |
||
970 | ; Description |
||
971 | ; Transmits a packet of data via the ethernet card |
||
972 | ; buffer pointer in [esp+4] |
||
973 | ; size of buffer in [esp+8] |
||
974 | ; pointer to device structure in ebx |
||
975 | ; |
||
976 | ;*************************************************************************** |
||
977 | align 4 |
||
978 | transmit: |
||
979 | DEBUGF 1,"Transmitting packet, buffer:%x, size:%u\n",[esp+4],[esp+8] |
||
980 | mov eax, [esp+4] |
||
981 | DEBUGF 1,"To: %x-%x-%x-%x-%x-%x From: %x-%x-%x-%x-%x-%x Type:%x%x\n",\ |
||
982 | [eax+00]:2,[eax+01]:2,[eax+02]:2,[eax+03]:2,[eax+04]:2,[eax+05]:2,\ |
||
983 | [eax+06]:2,[eax+07]:2,[eax+08]:2,[eax+09]:2,[eax+10]:2,[eax+11]:2,\ |
||
984 | [eax+13]:2,[eax+12]:2 |
||
985 | |||
986 | cmp dword [esp + 8], MAX_ETH_FRAME_SIZE |
||
987 | ja .error |
||
988 | cmp dword [esp + 8], 60 |
||
989 | jb .error |
||
990 | |||
991 | movzx ecx, [device.cur_tx] |
||
992 | shl ecx, 4 ; *16 |
||
993 | lea ecx, [device.txd + ecx] |
||
994 | |||
995 | test dword [ecx + 4], 0x80000000 ; card owns descriptor ? |
||
996 | jnz .error |
||
997 | |||
998 | mov eax, [esp + 4] |
||
999 | mov dword [ecx + 12], eax |
||
1000 | GetRealAddr |
||
1001 | mov dword [ecx + 8], eax ; buffer address |
||
1002 | |||
1003 | mov eax, [esp + 8] |
||
1004 | and eax, DSIZE |
||
1005 | or eax, 0x80000000 ; card owns descriptor |
||
1006 | mov dword [ecx + 4], eax ; status field |
||
1007 | |||
1008 | set_io 0 |
||
1009 | set_io cr |
||
1010 | in eax, dx |
||
1011 | or eax, TxENA ; Enable the transmit state machine |
||
1012 | out dx, eax |
||
1013 | |||
1014 | inc [device.cur_tx] |
||
1015 | and [device.cur_tx], NUM_TX_DESC-1 |
||
1016 | |||
1017 | ; update stats |
||
1018 | mov ecx, [esp + 8] |
||
1019 | inc [device.packets_tx] |
||
1020 | add dword [device.bytes_tx], ecx |
||
1021 | adc dword [device.bytes_tx + 4], 0 |
||
1022 | |||
1023 | .finish: |
||
1024 | DEBUGF 1,"Packet sent!\n" |
||
1025 | xor eax, eax |
||
1026 | ret 8 |
||
1027 | |||
1028 | .error: |
||
1029 | DEBUGF 1,"ERROR!\n" |
||
1030 | stdcall KernelFree, [esp+4] |
||
1031 | or eax, -1 |
||
1032 | ret 8 |
||
1033 | |||
1034 | |||
1035 | ;*************************************************************************** |
||
1036 | ; |
||
1037 | ; int_handler |
||
1038 | ; |
||
1039 | ; handles received IRQs, which signal received packets |
||
1040 | ; |
||
1041 | ; Currently only supports one descriptor per packet, if packet is fragmented |
||
1042 | ; between multiple descriptors you will lose part of the packet |
||
1043 | ; |
||
1044 | ;*************************************************************************** |
||
1045 | |||
1046 | align 4 |
||
1047 | int_handler: |
||
1048 | |||
1049 | push ebx esi edi |
||
1050 | |||
1051 | DEBUGF 1,"\n%s int\n", my_service |
||
1052 | |||
1053 | ; find pointer of device which made IRQ occur |
||
1054 | |||
1055 | mov ecx, [devices] |
||
1056 | test ecx, ecx |
||
1057 | jz .nothing |
||
1058 | mov esi, device_list |
||
1059 | .nextdevice: |
||
1060 | mov ebx, [esi] |
||
1061 | |||
1062 | set_io 0 |
||
1063 | set_io isr |
||
1064 | in eax, dx ; note that this clears all interrupts |
||
1065 | test ax, IE |
||
1066 | jnz .got_it |
||
1067 | .continue: |
||
1068 | add esi, 4 |
||
1069 | dec ecx |
||
1070 | jnz .nextdevice |
||
1071 | .nothing: |
||
1072 | pop edi esi ebx |
||
1073 | xor eax, eax |
||
1074 | |||
1075 | ret |
||
1076 | |||
1077 | .got_it: |
||
1078 | |||
1079 | DEBUGF 1,"Device: %x Status: %x ", ebx, ax |
||
1080 | |||
1081 | test ax, RxOK |
||
1082 | jz .no_rx_ |
||
1083 | |||
1084 | push ax |
||
1085 | |||
1086 | .rx_loop: |
||
1087 | |||
1088 | ;----------- |
||
1089 | ; Get Status |
||
1090 | movzx eax, [device.cur_rx] ; find current descriptor |
||
1091 | shl eax, 4 ; * 16 |
||
1092 | mov ecx, dword[device.rxd + eax + 4] ; get receive status |
||
1093 | |||
1094 | ;------------------------------------------- |
||
1095 | ; Check RX_Status to see if packet is waiting |
||
1096 | test ecx, 0x80000000 |
||
1097 | jz .no_rx |
||
1098 | |||
1099 | ;---------------------------------------------- |
||
1100 | ; There is a packet waiting check it for errors |
||
1101 | test ecx, 0x67C0000 ; see if there are any errors |
||
1102 | jnz .error_status |
||
1103 | |||
1104 | ;--------------------- |
||
1105 | ; Check size of packet |
||
1106 | and ecx, DSIZE ; get packet size minus CRC |
||
1107 | sub ecx, CRC_SIZE ; make sure packet contains data |
||
1108 | jbe .error_size |
||
1109 | |||
1110 | ; update statistics |
||
1111 | inc dword [device.packets_rx] |
||
1112 | add dword [device.bytes_rx], ecx |
||
1113 | adc dword [device.bytes_rx + 4], 0 |
||
1114 | |||
1115 | push ebx |
||
1116 | push .return |
||
1117 | push ecx ; packet size |
||
1118 | pushd [device.rxd + eax + 12] ; packet ptr |
||
1119 | DEBUGF 1, "Packet received OK\n" |
||
1120 | jmp Eth_input |
||
1121 | .return: |
||
1122 | pop ebx |
||
1123 | |||
1124 | ; Reset status, allow ethernet card access to descriptor |
||
1125 | stdcall KernelAlloc, RX_BUFF_SZ |
||
1126 | test eax, eax |
||
1127 | jz .fail |
||
1128 | movzx ecx, [device.cur_rx] |
||
1129 | shl ecx, 4 ; *16 |
||
1130 | lea ecx, [device.rxd + ecx] |
||
1131 | mov dword [ecx + 12], eax |
||
1132 | GetRealAddr |
||
1133 | mov dword [ecx + 8], eax |
||
1134 | mov dword [ecx + 4], RX_BUFF_SZ |
||
1135 | |||
1136 | inc [device.cur_rx] ; get next descriptor |
||
1137 | and [device.cur_rx], NUM_RX_DESC-1 ; only 4 descriptors 0-3 |
||
1138 | |||
1139 | jmp .rx_loop |
||
1140 | |||
1141 | .no_rx: |
||
1142 | set_io 0 |
||
1143 | set_io cr |
||
1144 | in eax, dx |
||
1145 | or eax, RxENA ; Re-Enable the Receive state machine |
||
1146 | out dx, eax |
||
1147 | |||
1148 | pop ax |
||
1149 | |||
1150 | .no_rx_: |
||
1151 | test ax, TxOK |
||
1152 | jz .no_tx |
||
1153 | |||
1154 | DEBUGF 1, "TX ok!\n" |
||
1155 | |||
1156 | .tx_loop: |
||
1157 | movzx ecx, [device.last_tx] |
||
1158 | shl ecx, 4 ; *16 |
||
1159 | lea ecx, [device.txd + ecx] |
||
1160 | |||
1161 | test dword [ecx + 4], 0x80000000 ; card owns descr |
||
1162 | jnz .no_tx |
||
1163 | cmp dword [ecx + 12], 0 |
||
1164 | je .no_tx |
||
1165 | |||
1166 | DEBUGF 1, "Freeing packet = %x\n", [ecx + 12]:8 |
||
1167 | push dword [ecx + 12] |
||
1168 | mov dword [ecx + 12], 0 |
||
1169 | call KernelFree |
||
1170 | |||
1171 | inc [device.last_tx] |
||
1172 | and [device.last_tx], NUM_TX_DESC-1 |
||
1173 | jmp .tx_loop |
||
1174 | |||
1175 | .no_tx: |
||
1176 | .fail: |
||
1177 | pop edi esi ebx |
||
1178 | xor eax, eax |
||
1179 | inc eax |
||
1180 | |||
1181 | ret |
||
1182 | |||
1183 | ret |
||
1184 | |||
1185 | .error_status: |
||
1186 | DEBUGF 1, "Packet error: %x\n", ecx |
||
1187 | jmp .fail |
||
1188 | |||
1189 | .error_size: |
||
1190 | DEBUGF 1, "Packet too large/small\n" |
||
1191 | jmp .fail |
||
1192 | |||
1193 | |||
1194 | |||
1195 | |||
1196 | |||
1197 | ; End of code |
||
1198 | |||
1199 | align 4 ; Place all initialised data here |
||
1200 | |||
1201 | devices dd 0 |
||
1202 | |||
1203 | specific_table: |
||
1204 | ; dd SIS630A_900_REV, Get_Mac_SIS630A_900_REV, 0 |
||
1205 | ; dd SIS630E_900_REV, Get_Mac_SIS630E_900_REV, 0 |
||
1206 | dd SIS630S_900_REV, Get_Mac_SIS635_900_REV, 0 |
||
1207 | dd SIS630EA1_900_REV, Get_Mac_SIS635_900_REV, 0 |
||
1208 | dd SIS630ET_900_REV, Get_Mac_SIS635_900_REV, 0 ;SIS630ET_900_REV_SpecialFN |
||
1209 | dd SIS635A_900_REV, Get_Mac_SIS635_900_REV, 0 |
||
1210 | dd SIS900_960_REV, SIS960_get_mac_addr, 0 |
||
1211 | dd SIS900B_900_REV, SIS900_get_mac_addr, 0 |
||
1212 | dd 0 ; end of list |
||
1213 | |||
1214 | version dd (DRIVER_VERSION shl 16) or (API_VERSION and 0xFFFF) |
||
1215 | my_service db 'SIS900',0 ; max 16 chars include zero |
||
1216 | |||
1217 | include_debug_strings ; All data wich FDO uses will be included here |
||
1218 | |||
1219 | section '.data' data readable writable align 16; place all uninitialized data place here |
||
1220 | |||
1221 | device_list rd MAX_DEVICES ; This list contains all pointers to device structures the driver is handling64bytes) |
||
1222 |