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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 | ;; MTD80x driver for KolibriOS ;; |
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7 | ;; ;; |
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8 | ;; Based on mtd80x.c from the etherboot project ;; |
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9 | ;; ;; |
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10 | ;; Written by hidnplayr@kolibrios.org ;; |
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11 | ;; ;; |
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12 | ;; GNU GENERAL PUBLIC LICENSE ;; |
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13 | ;; Version 2, June 1991 ;; |
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14 | ;; ;; |
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15 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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16 | |||
17 | format MS COFF |
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18 | |||
19 | API_VERSION = 0x01000100 |
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20 | DRIVER_VERSION = 5 |
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21 | |||
22 | MAX_DEVICES = 16 |
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23 | |||
24 | DEBUG = 1 |
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25 | __DEBUG__ = 1 |
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26 | __DEBUG_LEVEL__ = 2 |
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27 | |||
28 | NUM_TX_DESC = 4 |
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29 | NUM_RX_DESC = 4 |
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30 | |||
31 | include '../proc32.inc' |
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32 | include '../imports.inc' |
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33 | include '../fdo.inc' |
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34 | include '../netdrv.inc' |
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35 | |||
36 | public START |
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37 | public service_proc |
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38 | public version |
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39 | |||
40 | |||
41 | ; for different PHY |
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42 | |||
43 | MysonPHY = 1 |
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44 | AhdocPHY = 2 |
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45 | SeeqPHY = 3 |
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46 | MarvellPHY = 4 |
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47 | Myson981 = 5 |
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48 | LevelOnePHY = 6 |
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49 | OtherPHY = 10 |
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50 | |||
51 | ; Offsets to the Command and Status Registers. |
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52 | |||
53 | PAR0 = 0x0 ; physical address 0-3 |
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54 | PAR1 = 0x04 ; physical address 4-5 |
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55 | MAR0 = 0x08 ; multicast address 0-3 |
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56 | MAR1 = 0x0C ; multicast address 4-7 |
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57 | FAR0 = 0x10 ; flow-control address 0-3 |
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58 | FAR1 = 0x14 ; flow-control address 4-5 |
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59 | TCRRCR = 0x18 ; receive & transmit configuration |
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60 | BCR = 0x1C ; bus command |
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61 | TXPDR = 0x20 ; transmit polling demand |
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62 | RXPDR = 0x24 ; receive polling demand |
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63 | RXCWP = 0x28 ; receive current word pointer |
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64 | TXLBA = 0x2C ; transmit list base address |
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65 | RXLBA = 0x30 ; receive list base address |
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66 | ISR = 0x34 ; interrupt status |
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67 | IMR = 0x38 ; interrupt mask |
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68 | FTH = 0x3C ; flow control high/low threshold |
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69 | MANAGEMENT = 0x40 ; bootrom/eeprom and mii management |
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70 | TALLY = 0x44 ; tally counters for crc and mpa |
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71 | TSR = 0x48 ; tally counter for transmit status |
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72 | BMCRSR = 0x4c ; basic mode control and status |
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73 | PHYIDENTIFIER = 0x50 ; phy identifier |
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74 | ANARANLPAR = 0x54 ; auto-negotiation advertisement and link partner ability |
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75 | ANEROCR = 0x58 ; auto-negotiation expansion and pci conf. |
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76 | BPREMRPSR = 0x5c ; bypass & receive error mask and phy status |
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77 | |||
78 | ; Bits in the interrupt status/enable registers. |
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79 | |||
80 | RFCON = 0x00020000 ; receive flow control xon packet |
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81 | RFCOFF = 0x00010000 ; receive flow control xoff packet |
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82 | LSCStatus = 0x00008000 ; link status change |
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83 | ANCStatus = 0x00004000 ; autonegotiation completed |
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84 | FBE = 0x00002000 ; fatal bus error |
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85 | FBEMask = 0x00001800 ; mask bit12-11 |
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86 | ParityErr = 0x00000000 ; parity error |
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87 | TargetErr = 0x00001000 ; target abort |
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88 | MasterErr = 0x00000800 ; master error |
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89 | TUNF = 0x00000400 ; transmit underflow |
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90 | ROVF = 0x00000200 ; receive overflow |
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91 | ETI = 0x00000100 ; transmit early int |
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92 | ERI = 0x00000080 ; receive early int |
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93 | CNTOVF = 0x00000040 ; counter overflow |
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94 | RBU = 0x00000020 ; receive buffer unavailable |
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95 | TBU = 0x00000010 ; transmit buffer unavilable |
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96 | TI = 0x00000008 ; transmit interrupt |
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97 | RI = 0x00000004 ; receive interrupt |
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98 | RxErr = 0x00000002 ; receive error |
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99 | |||
100 | ; Bits in the NetworkConfig register. |
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101 | |||
102 | RxModeMask = 0xe0 |
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103 | AcceptAllPhys = 0x80 ; promiscuous mode |
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104 | AcceptBroadcast = 0x40 ; accept broadcast |
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105 | AcceptMulticast = 0x20 ; accept mutlicast |
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106 | AcceptRunt = 0x08 ; receive runt pkt |
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107 | ALP = 0x04 ; receive long pkt |
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108 | AcceptErr = 0x02 ; receive error pkt |
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109 | |||
110 | AcceptMyPhys = 0x00000000 |
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111 | RxEnable = 0x00000001 |
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112 | RxFlowCtrl = 0x00002000 |
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113 | TxEnable = 0x00040000 |
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114 | TxModeFDX = 0x00100000 |
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115 | TxThreshold = 0x00e00000 |
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116 | |||
117 | PS1000 = 0x00010000 |
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118 | PS10 = 0x00080000 |
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119 | FD = 0x00100000 |
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120 | |||
121 | |||
122 | ; Bits in network_desc.status |
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123 | |||
124 | RXOWN = 0x80000000 ; own bit |
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125 | FLNGMASK = 0x0fff0000 ; frame length |
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126 | FLNGShift = 16 |
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127 | MARSTATUS = 0x00004000 ; multicast address received |
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128 | BARSTATUS = 0x00002000 ; broadcast address received |
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129 | PHYSTATUS = 0x00001000 ; physical address received |
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130 | RXFSD = 0x00000800 ; first descriptor |
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131 | RXLSD = 0x00000400 ; last descriptor |
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132 | ErrorSummary = 0x80 ; error summary |
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133 | RUNT = 0x40 ; runt packet received |
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134 | LONG = 0x20 ; long packet received |
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135 | FAE = 0x10 ; frame align error |
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136 | CRC = 0x08 ; crc error |
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137 | RXER = 0x04 ; receive error |
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138 | |||
139 | ; rx_desc_control_bits |
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140 | |||
141 | RXIC = 0x00800000 ; interrupt control |
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142 | RBSShift = 0 |
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143 | |||
144 | ; tx_desc_status_bits |
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145 | |||
146 | TXOWN = 0x80000000 ; own bit |
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147 | JABTO = 0x00004000 ; jabber timeout |
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148 | CSL = 0x00002000 ; carrier sense lost |
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149 | LC = 0x00001000 ; late collision |
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150 | EC = 0x00000800 ; excessive collision |
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151 | UDF = 0x00000400 ; fifo underflow |
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152 | DFR = 0x00000200 ; deferred |
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153 | HF = 0x00000100 ; heartbeat fail |
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154 | NCRMask = 0x000000ff ; collision retry count |
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155 | NCRShift = 0 |
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156 | |||
157 | ; tx_desc_control_bits |
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158 | |||
159 | TXIC = 0x80000000 ; interrupt control |
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160 | ETIControl = 0x40000000 ; early transmit interrupt |
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161 | TXLD = 0x20000000 ; last descriptor |
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162 | TXFD = 0x10000000 ; first descriptor |
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163 | CRCEnable = 0x08000000 ; crc control |
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164 | PADEnable = 0x04000000 ; padding control |
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165 | RetryTxLC = 0x02000000 ; retry late collision |
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166 | PKTSMask = 0x3ff800 ; packet size bit21-11 |
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167 | PKTSShift = 11 |
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168 | TBSMask = 0x000007ff ; transmit buffer bit 10-0 |
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169 | TBSShift = 0 |
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170 | |||
171 | ; BootROM/EEPROM/MII Management Register |
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172 | |||
173 | MASK_MIIR_MII_READ = 0x00000000 |
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174 | MASK_MIIR_MII_WRITE = 0x00000008 |
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175 | MASK_MIIR_MII_MDO = 0x00000004 |
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176 | MASK_MIIR_MII_MDI = 0x00000002 |
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177 | MASK_MIIR_MII_MDC = 0x00000001 |
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178 | |||
179 | ; ST+OP+PHYAD+REGAD+TA |
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180 | |||
181 | OP_READ = 0x6000 ; ST:01+OP:10+PHYAD+REGAD+TA:Z0 |
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182 | OP_WRITE = 0x5002 ; ST:01+OP:01+PHYAD+REGAD+TA:10 |
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183 | |||
184 | ; ------------------------------------------------------------------------- |
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185 | ; Constants for Myson PHY |
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186 | ; ------------------------------------------------------------------------- |
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187 | |||
188 | MysonPHYID = 0xd0000302 |
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189 | MysonPHYID0 = 0x0302 |
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190 | StatusRegister = 18 |
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191 | SPEED100 = 0x0400 ; bit10 |
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192 | FULLMODE = 0x0800 ; bit11 |
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193 | |||
194 | ; ------------------------------------------------------------------------- |
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195 | ; Constants for Seeq 80225 PHY |
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196 | ; ------------------------------------------------------------------------- |
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197 | |||
198 | SeeqPHYID0 = 0x0016 |
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199 | MIIRegister18 = 18 |
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200 | SPD_DET_100 = 0x80 |
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201 | DPLX_DET_FULL = 0x40 |
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202 | |||
203 | ; ------------------------------------------------------------------------- |
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204 | ; Constants for Ahdoc 101 PHY |
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205 | ; ------------------------------------------------------------------------- |
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206 | |||
207 | AhdocPHYID0 = 0x0022 |
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208 | DiagnosticReg = 18 |
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209 | DPLX_FULL = 0x0800 |
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210 | Speed_100 = 0x0400 |
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211 | |||
212 | ; -------------------------------------------------------------------------- |
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213 | ; Constants |
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214 | ; -------------------------------------------------------------------------- |
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215 | |||
216 | MarvellPHYID0 = 0x0141 |
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217 | LevelOnePHYID0 = 0x0013 |
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218 | |||
219 | MII1000BaseTControlReg = 9 |
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220 | MII1000BaseTStatusReg = 10 |
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221 | SpecificReg = 17 |
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222 | |||
223 | ; for 1000BaseT Control Register |
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224 | |||
225 | PHYAbletoPerform1000FullDuplex = 0x0200 |
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226 | PHYAbletoPerform1000HalfDuplex = 0x0100 |
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227 | PHY1000AbilityMask = 0x300 |
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228 | |||
229 | ; for phy specific status register, marvell phy. |
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230 | |||
231 | SpeedMask = 0x0c000 |
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232 | Speed_1000M = 0x08000 |
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233 | Speed_100M = 0x4000 |
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234 | Speed_10M = 0 |
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235 | Full_Duplex = 0x2000 |
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236 | |||
237 | ; for phy specific status register, levelone phy |
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238 | |||
239 | LXT1000_100M = 0x08000 |
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240 | LXT1000_1000M = 0x0c000 |
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241 | LXT1000_Full = 0x200 |
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242 | |||
243 | ; for PHY |
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244 | |||
245 | LinkIsUp = 0x0004 |
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246 | LinkIsUp2 = 0x00040000 |
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247 | |||
248 | |||
249 | |||
250 | virtual at 0 |
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251 | |||
252 | mtd_desc: |
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253 | .status dd ? |
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254 | .control dd ? |
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255 | .buffer dd ? |
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256 | .next_desc dd ? |
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257 | |||
258 | .next_desc_logical dd ? |
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259 | .skbuff dd ? |
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260 | |||
261 | .reserved1 dd ? |
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262 | .reserved2 dd ? |
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263 | |||
264 | .size = $ |
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265 | |||
266 | end virtual |
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267 | |||
268 | |||
269 | virtual at ebx |
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270 | |||
271 | device: |
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272 | |||
273 | ETH_DEVICE |
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274 | |||
275 | .tx_desc rb NUM_TX_DESC*mtd_desc.size |
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276 | .rx_desc rb NUM_RX_DESC*mtd_desc.size |
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277 | |||
278 | .io_addr dd ? |
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279 | .pci_bus dd ? |
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280 | .pci_dev dd ? |
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281 | .irq_line db ? |
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282 | .dev_id dw ? |
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283 | |||
284 | .flags dd ? |
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285 | |||
286 | .crvalue dd ? |
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287 | .bcrvalue dd ? |
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288 | |||
289 | .cur_rx dd ? |
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290 | .cur_tx dd ? |
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291 | |||
292 | ; These values are keep track of the transceiver/media in use. |
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293 | |||
294 | .linkok dd ? |
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295 | .line_speed dd ? |
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296 | .duplexmode dd ? |
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297 | .default_port dd ? |
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298 | .PHYType dd ? |
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299 | |||
300 | ; MII transceiver section. |
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301 | |||
302 | .mii_cnt dd ? ; MII device addresses. |
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303 | .phys db ? ; MII device addresses. |
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304 | |||
305 | device_size = $ - device |
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306 | |||
307 | end virtual |
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308 | |||
309 | |||
310 | |||
311 | section '.flat' code readable align 16 |
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312 | |||
313 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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314 | ;; ;; |
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315 | ;; proc START ;; |
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316 | ;; ;; |
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317 | ;; (standard driver proc) ;; |
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318 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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319 | |||
320 | align 4 |
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321 | proc START stdcall, state:dword |
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322 | |||
323 | cmp [state], 1 |
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324 | jne .exit |
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325 | |||
326 | .entry: |
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327 | |||
328 | DEBUGF 2,"Loading %s driver\n", my_service |
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329 | stdcall RegService, my_service, service_proc |
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330 | ret |
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331 | |||
332 | .fail: |
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333 | .exit: |
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334 | xor eax, eax |
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335 | ret |
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336 | |||
337 | endp |
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338 | |||
339 | |||
340 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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341 | ;; ;; |
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342 | ;; proc SERVICE_PROC ;; |
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343 | ;; ;; |
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344 | ;; (standard driver proc) ;; |
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345 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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346 | |||
347 | align 4 |
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348 | proc service_proc stdcall, ioctl:dword |
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349 | |||
350 | mov edx, [ioctl] |
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351 | mov eax, [IOCTL.io_code] |
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352 | |||
353 | ;------------------------------------------------------ |
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354 | |||
355 | cmp eax, 0 ;SRV_GETVERSION |
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356 | jne @F |
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357 | |||
358 | cmp [IOCTL.out_size], 4 |
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359 | jb .fail |
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360 | mov eax, [IOCTL.output] |
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361 | mov [eax], dword API_VERSION |
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362 | |||
363 | xor eax, eax |
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364 | ret |
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365 | |||
366 | ;------------------------------------------------------ |
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367 | @@: |
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368 | cmp eax, 1 ;SRV_HOOK |
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369 | jne .fail |
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370 | |||
371 | cmp [IOCTL.inp_size], 3 ; Data input must be at least 3 bytes |
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372 | jb .fail |
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373 | |||
374 | mov eax, [IOCTL.input] |
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375 | cmp byte [eax], 1 ; 1 means device number and bus number (pci) are given |
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376 | jne .fail ; other types arent supported for this card yet |
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377 | |||
378 | ; check if the device is already listed |
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379 | |||
380 | mov esi, device_list |
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381 | mov ecx, [devices] |
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382 | test ecx, ecx |
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383 | jz .firstdevice |
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384 | |||
385 | ; mov eax, [IOCTL.input] ; get the pci bus and device numbers |
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386 | mov ax , [eax+1] ; |
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387 | .nextdevice: |
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388 | mov ebx, [esi] |
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389 | cmp al, byte[device.pci_bus] |
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390 | jne @f |
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391 | cmp ah, byte[device.pci_dev] |
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392 | je .find_devicenum ; Device is already loaded, let's find it's device number |
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393 | @@: |
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394 | add esi, 4 |
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395 | loop .nextdevice |
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396 | |||
397 | |||
398 | ; This device doesnt have its own eth_device structure yet, lets create one |
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399 | .firstdevice: |
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400 | cmp [devices], MAX_DEVICES ; First check if the driver can handle one more card |
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401 | jae .fail |
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402 | |||
403 | allocate_and_clear ebx, device_size, .fail |
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404 | |||
405 | ; Fill in the direct call addresses into the struct |
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406 | |||
407 | mov [device.reset], reset |
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408 | mov [device.transmit], transmit |
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409 | mov [device.unload], unload |
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410 | mov [device.name], my_service |
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411 | |||
412 | ; save the pci bus and device numbers |
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413 | |||
414 | mov eax, [IOCTL.input] |
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415 | movzx ecx, byte[eax+1] |
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416 | mov [device.pci_bus], ecx |
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417 | movzx ecx, byte[eax+2] |
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418 | mov [device.pci_dev], ecx |
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419 | |||
420 | ; Now, it's time to find the base io addres of the PCI device |
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421 | |||
422 | PCI_find_io |
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423 | |||
424 | ; We've found the io address, find IRQ now |
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425 | |||
426 | PCI_find_irq |
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427 | |||
428 | DEBUGF 2,"Hooking into device, dev:%x, bus:%x, irq:%x, addr:%x\n",\ |
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429 | [device.pci_dev]:1,[device.pci_bus]:1,[device.irq_line]:1,[device.io_addr]:8 |
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430 | |||
431 | ; Ok, the eth_device structure is ready, let's probe the device |
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432 | ; Because initialization fires IRQ, IRQ handler must be aware of this device |
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433 | mov eax, [devices] ; Add the device structure to our device list |
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434 | mov [device_list+4*eax], ebx ; (IRQ handler uses this list to find device) |
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435 | inc [devices] ; |
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436 | |||
437 | call probe ; this function will output in eax |
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438 | test eax, eax |
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439 | jnz .err2 ; If an error occured, exit |
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440 | |||
441 | mov [device.type], NET_TYPE_ETH |
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442 | call NetRegDev |
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443 | |||
444 | cmp eax, -1 |
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445 | je .destroy |
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446 | |||
447 | ret |
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448 | |||
449 | ; If the device was already loaded, find the device number and return it in eax |
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450 | |||
451 | .find_devicenum: |
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452 | DEBUGF 2,"Trying to find device number of already registered device\n" |
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453 | call NetPtrToNum ; This kernel procedure converts a pointer to device struct in ebx |
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454 | ; into a device number in edi |
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455 | mov eax, edi ; Application wants it in eax instead |
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456 | DEBUGF 2,"Kernel says: %u\n", eax |
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457 | ret |
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458 | |||
459 | ; If an error occured, remove all allocated data and exit (returning -1 in eax) |
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460 | |||
461 | .destroy: |
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462 | ; todo: reset device into virgin state |
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463 | |||
464 | .err2: |
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465 | dec [devices] |
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466 | .err: |
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467 | DEBUGF 2,"removing device structure\n" |
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468 | stdcall KernelFree, ebx |
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469 | .fail: |
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470 | or eax, -1 |
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471 | ret |
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472 | |||
473 | ;------------------------------------------------------ |
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474 | endp |
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475 | |||
476 | |||
477 | ;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;; |
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478 | ;; ;; |
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479 | ;; Actual Hardware dependent code starts here ;; |
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480 | ;; ;; |
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481 | ;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;; |
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482 | |||
483 | |||
484 | |||
485 | align 4 |
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486 | unload: |
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487 | ; TODO: (in this particular order) |
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488 | ; |
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489 | ; - Stop the device |
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490 | |||
491 | ; /* Disable Tx Rx*/ |
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492 | ; outl( mtdx.crvalue & (~TxEnable) & (~RxEnable), mtdx.ioaddr + TCRRCR ); |
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493 | ; |
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494 | ; /* Reset the chip to erase previous misconfiguration. */ |
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495 | ; mtd_reset(nic); |
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496 | |||
497 | ; - Detach int handler |
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498 | ; - Remove device from local list (device_list) |
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499 | ; - call unregister function in kernel |
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500 | ; - Remove all allocated structures and buffers the card used |
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501 | |||
502 | or eax,-1 |
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503 | |||
504 | ret |
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505 | |||
506 | |||
507 | ;------- |
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508 | ; |
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509 | ; PROBE |
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510 | ; |
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511 | ;------- |
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512 | align 4 |
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513 | probe: |
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514 | |||
515 | DEBUGF 2,"Probing mtd80x device\n" |
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516 | |||
517 | PCI_make_bus_master |
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518 | |||
519 | stdcall PciRead32, [device.pci_bus], [device.pci_dev], 0 |
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520 | |||
521 | cmp ax, 0x1516 |
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522 | jne .notfound |
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523 | shr eax, 16 |
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524 | mov [device.dev_id], ax |
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525 | |||
526 | cmp ax, 0x0800 |
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527 | je .has_mii_xcvr |
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528 | |||
529 | cmp ax, 0x0803 |
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530 | je .has_chip_xcvr |
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531 | |||
532 | cmp ax, 0x0891 |
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533 | je .has_mii_xcvr |
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534 | |||
535 | .notfound: |
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536 | DEBUGF 1,"Device not supported!\n" |
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537 | xor eax, eax |
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538 | dec eax |
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539 | ret |
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540 | |||
541 | .has_chip_xcvr: |
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542 | DEBUGF 1,"Device has chip xcvr\n" |
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543 | |||
544 | jmp .xcvr_set |
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545 | |||
546 | .has_mii_xcvr: |
||
547 | DEBUGF 1,"Device has mii xcvr\n" |
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548 | |||
549 | .xcvr_set: |
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550 | |||
551 | call read_mac |
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552 | |||
553 | ; Reset the chip to erase previous misconfiguration. |
||
554 | |||
555 | set_io 0 |
||
556 | set_io BCR |
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557 | xor eax, eax |
||
558 | inc eax |
||
559 | out dx, eax |
||
560 | |||
561 | ; find the connected MII xcvrs |
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562 | |||
563 | cmp [device.dev_id], 0x0803 |
||
564 | je .is_803 |
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565 | |||
566 | ; int phy, phy_idx = 0; |
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567 | ; |
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568 | ; for (phy = 1; phy < 32 && phy_idx < 1; phy++) { |
||
569 | ; int mii_status = mdio_read(nic, phy, 1); |
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570 | ; |
||
571 | ; if (mii_status != 0xffff && mii_status != 0x0000) { |
||
572 | ; mtdx.phys[phy_idx] = phy; |
||
573 | ; |
||
574 | ; DBG ( "%s: MII PHY found at address %d, status " |
||
575 | ; "0x%4.4x.\n", mtdx.nic_name, phy, mii_status ); |
||
576 | ; /* get phy type */ |
||
577 | ; { |
||
578 | ; unsigned int data; |
||
579 | ; |
||
580 | ; data = mdio_read(nic, mtdx.phys[phy_idx], 2); |
||
581 | ; if (data equ= SeeqPHYID0) |
||
582 | ; mtdx.PHYType = SeeqPHY; |
||
583 | ; else if (data equ= AhdocPHYID0) |
||
584 | ; mtdx.PHYType = AhdocPHY; |
||
585 | ; else if (data equ= MarvellPHYID0) |
||
586 | ; mtdx.PHYType = MarvellPHY; |
||
587 | ; else if (data equ= MysonPHYID0) |
||
588 | ; mtdx.PHYType = Myson981; |
||
589 | ; else if (data equ= LevelOnePHYID0) |
||
590 | ; mtdx.PHYType = LevelOnePHY; |
||
591 | ; else |
||
592 | ; mtdx.PHYType = OtherPHY; |
||
593 | ; } |
||
594 | ; phy_idx++; |
||
595 | ; } |
||
596 | ; } |
||
597 | ; |
||
598 | ; mtdx.mii_cnt = phy_idx; |
||
599 | ; if (phy_idx equ= 0) { |
||
600 | ; printf("%s: MII PHY not found -- this device may " |
||
601 | ; "not operate correctly.\n", mtdx.nic_name); |
||
602 | ; } |
||
603 | |||
604 | jmp .no_803 |
||
605 | |||
606 | .is_803: |
||
607 | |||
608 | mov [device.phys], 32 |
||
609 | |||
610 | ; get phy type |
||
611 | set_io 0 |
||
612 | set_io PHYIDENTIFIER |
||
613 | in eax, dx |
||
614 | |||
615 | cmp eax, MysonPHYID |
||
616 | jne @f |
||
617 | |||
618 | mov [device.PHYType], MysonPHY |
||
619 | DEBUGF 1,"MysonPHY\n" |
||
620 | jmp .no_803 |
||
621 | |||
622 | @@: |
||
623 | mov [device.PHYType], OtherPHY |
||
624 | DEBUGF 1,"OtherPHY\n" |
||
625 | |||
626 | .no_803: |
||
627 | |||
628 | ;------- |
||
629 | ; |
||
630 | ; RESET |
||
631 | ; |
||
632 | ;------- |
||
633 | align 4 |
||
634 | reset: |
||
635 | |||
636 | DEBUGF 1,"Resetting mtd80x\n" |
||
637 | |||
638 | ;-------------------------------- |
||
639 | ; insert irq handler on given irq |
||
640 | |||
641 | movzx eax, [device.irq_line] |
||
642 | DEBUGF 1,"Attaching int handler to irq %x\n", eax:1 |
||
643 | stdcall AttachIntHandler, eax, int_handler, dword 0 |
||
644 | test eax, eax |
||
645 | jnz @f |
||
646 | DEBUGF 1,"\nCould not attach int handler!\n" |
||
647 | ; or eax, -1 |
||
648 | ; ret |
||
649 | @@: |
||
650 | |||
651 | ; Reset the chip to erase previous misconfiguration. |
||
652 | |||
653 | set_io 0 |
||
654 | set_io BCR |
||
655 | xor eax, eax |
||
656 | inc eax |
||
657 | out dx, eax |
||
658 | |||
659 | call init_ring |
||
660 | |||
661 | ; Initialize other registers. |
||
662 | ; Configure the PCI bus bursts and FIFO thresholds. |
||
663 | |||
664 | mov [device.bcrvalue], 0x10 ; little-endian, 8 burst length |
||
665 | mov [device.crvalue], 0xa00 ; 128 burst length |
||
666 | |||
667 | cmp [device.dev_id], 0x891 |
||
668 | jne @f |
||
669 | or [device.bcrvalue], 0x200 ; set PROG bit |
||
670 | or [device.crvalue], 0x02000000 ; set enhanced bit |
||
671 | @@: |
||
672 | |||
673 | or [device.crvalue], RxEnable + TxThreshold + TxEnable |
||
674 | |||
675 | call set_rx_mode |
||
676 | |||
677 | set_io 0 |
||
678 | set_io BCR |
||
679 | mov eax, [device.bcrvalue] |
||
680 | out dx, eax |
||
681 | |||
682 | set_io TCRRCR |
||
683 | mov eax, [device.crvalue] |
||
684 | out dx, eax |
||
685 | |||
686 | call getlinkstatus |
||
687 | call getlinktype |
||
688 | |||
689 | ; Restart Rx engine if stopped. |
||
690 | |||
691 | set_io 0 |
||
692 | set_io RXPDR |
||
693 | xor eax, eax |
||
694 | out dx, eax |
||
695 | |||
696 | ; Enable interrupts |
||
697 | |||
698 | set_io 0 |
||
699 | set_io ISR |
||
700 | mov eax, (FBE or TUNF or CNTOVF or RBU or TI or RI) |
||
701 | out dx, eax |
||
702 | |||
703 | set_io IMR |
||
704 | ; mov eax, (FBE or TUNF or CNTOVF or RBU or TI or RI) |
||
705 | out dx, eax |
||
706 | |||
707 | ; clear packet/byte counters |
||
708 | |||
709 | xor eax, eax |
||
710 | lea edi, [device.bytes_tx] |
||
711 | mov ecx, 6 |
||
712 | rep stosd |
||
713 | |||
714 | mov [device.mtu], 1514 |
||
715 | |||
716 | ; Set link state to unknown |
||
717 | mov [device.state], ETH_LINK_UNKOWN |
||
718 | |||
719 | xor eax, eax |
||
720 | ret |
||
721 | |||
722 | |||
723 | |||
724 | |||
725 | align 4 |
||
726 | init_ring: |
||
727 | |||
728 | DEBUGF 1,"initializing rx and tx ring\n" |
||
729 | |||
730 | ; Initialize all Rx descriptors |
||
731 | |||
732 | lea esi, [device.rx_desc] |
||
733 | mov [device.cur_rx], esi |
||
734 | mov ecx, NUM_RX_DESC |
||
735 | .rx_desc_loop: |
||
736 | mov [esi + mtd_desc.status], RXOWN |
||
737 | mov [esi + mtd_desc.control], 1536 shl RBSShift |
||
738 | |||
739 | lea eax, [esi + mtd_desc.size] |
||
740 | mov [esi + mtd_desc.next_desc_logical], eax |
||
741 | push ecx esi |
||
742 | GetRealAddr |
||
743 | mov [esi + mtd_desc.next_desc], eax |
||
744 | |||
745 | stdcall KernelAlloc, 1536 |
||
746 | pop esi |
||
747 | push esi |
||
748 | mov [esi + mtd_desc.skbuff], eax |
||
749 | call GetPgAddr |
||
750 | pop esi ecx |
||
751 | mov [esi + mtd_desc.buffer], eax |
||
752 | |||
753 | add esi, mtd_desc.size |
||
754 | loop .rx_desc_loop |
||
755 | |||
756 | ; Mark the last entry as wrapping the ring. |
||
757 | |||
758 | lea eax, [device.rx_desc] |
||
759 | mov [esi - mtd_desc.size + mtd_desc.next_desc_logical], eax |
||
760 | push esi |
||
761 | GetRealAddr |
||
762 | pop esi |
||
763 | mov [esi - mtd_desc.size + mtd_desc.next_desc], eax |
||
764 | |||
765 | set_io 0 |
||
766 | set_io RXLBA |
||
767 | out dx, eax |
||
768 | |||
769 | ; Initialize all Tx descriptors |
||
770 | |||
771 | lea esi, [device.tx_desc] |
||
772 | mov [device.cur_tx], esi |
||
773 | mov ecx, NUM_TX_DESC |
||
774 | .tx_desc_loop: |
||
775 | mov [esi + mtd_desc.status], 0 |
||
776 | |||
777 | lea eax, [esi + mtd_desc.size] |
||
778 | mov [esi + mtd_desc.next_desc_logical], eax |
||
779 | push ecx esi |
||
780 | GetRealAddr |
||
781 | pop esi ecx |
||
782 | mov [esi + mtd_desc.next_desc], eax |
||
783 | |||
784 | add esi, mtd_desc.size |
||
785 | loop .tx_desc_loop |
||
786 | |||
787 | ; Mark the last entry as wrapping the ring. |
||
788 | |||
789 | lea eax, [device.tx_desc] |
||
790 | mov [esi - mtd_desc.size + mtd_desc.next_desc_logical], eax |
||
791 | push esi |
||
792 | GetRealAddr |
||
793 | pop esi |
||
794 | mov [esi - mtd_desc.size + mtd_desc.next_desc], eax |
||
795 | |||
796 | set_io 0 |
||
797 | set_io TXLBA |
||
798 | out dx, eax |
||
799 | |||
800 | ret |
||
801 | |||
802 | |||
803 | align 4 |
||
804 | set_rx_mode: |
||
805 | |||
806 | DEBUGF 1,"Setting RX mode\n" |
||
807 | |||
808 | ; Too many to match, or accept all multicasts. |
||
809 | |||
810 | set_io 0 |
||
811 | set_io MAR0 |
||
812 | xor eax, eax |
||
813 | not eax |
||
814 | out dx, eax |
||
815 | set_io MAR1 |
||
816 | out dx, eax |
||
817 | |||
818 | and [device.crvalue], not (RxModeMask) |
||
819 | or [device.crvalue], AcceptBroadcast + AcceptMulticast + AcceptMyPhys |
||
820 | |||
821 | ret |
||
822 | |||
823 | |||
824 | align 4 |
||
825 | getlinkstatus: |
||
826 | |||
827 | DEBUGF 1,"Getting link status\n" |
||
828 | |||
829 | mov [device.linkok], 0 |
||
830 | |||
831 | cmp [device.PHYType], MysonPHY |
||
832 | jne .no_myson_phy |
||
833 | |||
834 | set_io 0 |
||
835 | set_io BMCRSR |
||
836 | mov ecx, 1000 |
||
837 | .loop1: |
||
838 | in eax, dx |
||
839 | test eax, LinkIsUp2 |
||
840 | jnz .link_ok |
||
841 | |||
842 | push ecx edx ebx |
||
843 | mov esi, 10 |
||
844 | call Sleep |
||
845 | pop ebx edx ecx |
||
846 | loop .loop1 |
||
847 | |||
848 | ret |
||
849 | |||
850 | .no_myson_phy: |
||
851 | |||
852 | ; for (i = 0; i < DelayTime; ++i) { |
||
853 | ; if (mdio_read(nic, mtdx.phys[0], MII_BMSR) & BMSR_LSTATUS) { |
||
854 | ; mtdx.linkok = 1; |
||
855 | ; return; |
||
856 | ; } |
||
857 | ; m80x_delay(100); |
||
858 | |||
859 | ret |
||
860 | |||
861 | .link_ok: |
||
862 | DEBUGF 1,"Link is up\n" |
||
863 | inc [device.linkok] |
||
864 | ret |
||
865 | |||
866 | |||
867 | |||
868 | |||
869 | align 4 |
||
870 | getlinktype: |
||
871 | |||
872 | DEBUGF 1,"Getting link type\n" |
||
873 | |||
874 | cmp [device.PHYType], MysonPHY |
||
875 | jne .no_myson_phy |
||
876 | |||
877 | DEBUGF 1,"myson PHY\n" |
||
878 | |||
879 | set_io 0 |
||
880 | set_io TCRRCR |
||
881 | in eax, dx |
||
882 | |||
883 | mov [device.duplexmode], 1 ; 1 = half duplex |
||
884 | test eax, FD |
||
885 | jne @f |
||
886 | DEBUGF 1,"full duplex\n" |
||
887 | inc [device.duplexmode] ; 2 = full duplex |
||
888 | @@: |
||
889 | |||
890 | mov [device.line_speed], 1 ; 1 = 10M |
||
891 | test eax, PS10 |
||
892 | jne @f |
||
893 | DEBUGF 1,"100mbit\n" |
||
894 | inc [device.line_speed] ; 2 = 100M |
||
895 | @@: |
||
896 | |||
897 | ret |
||
898 | |||
899 | .no_myson_phy: |
||
900 | |||
901 | DEBUGF 1,"no myson phy\n" |
||
902 | |||
903 | ; if (mtdx.PHYType equ= SeeqPHY) { /* this PHY is SEEQ 80225 */ |
||
904 | ; unsigned int data; |
||
905 | ; |
||
906 | ; data = mdio_read(dev, mtdx.phys[0], MIIRegister18); |
||
907 | ; if (data & SPD_DET_100) |
||
908 | ; mtdx.line_speed = 2; /* 100M */ |
||
909 | ; else |
||
910 | ; mtdx.line_speed = 1; /* 10M */ |
||
911 | ; if (data & DPLX_DET_FULL) |
||
912 | ; mtdx.duplexmode = 2; /* full duplex mode */ |
||
913 | ; else |
||
914 | ; mtdx.duplexmode = 1; /* half duplex mode */ |
||
915 | ; } else if (mtdx.PHYType equ= AhdocPHY) { |
||
916 | ; unsigned int data; |
||
917 | ; |
||
918 | ; data = mdio_read(dev, mtdx.phys[0], DiagnosticReg); |
||
919 | ; if (data & Speed_100) |
||
920 | ; mtdx.line_speed = 2; /* 100M */ |
||
921 | ; else |
||
922 | ; mtdx.line_speed = 1; /* 10M */ |
||
923 | ; if (data & DPLX_FULL) |
||
924 | ; mtdx.duplexmode = 2; /* full duplex mode */ |
||
925 | ; else |
||
926 | ; mtdx.duplexmode = 1; /* half duplex mode */ |
||
927 | ; } |
||
928 | ; else if (mtdx.PHYType equ= MarvellPHY) { |
||
929 | ; unsigned int data; |
||
930 | ; |
||
931 | ; data = mdio_read(dev, mtdx.phys[0], SpecificReg); |
||
932 | ; if (data & Full_Duplex) |
||
933 | ; mtdx.duplexmode = 2; /* full duplex mode */ |
||
934 | ; else |
||
935 | ; mtdx.duplexmode = 1; /* half duplex mode */ |
||
936 | ; data &= SpeedMask; |
||
937 | ; if (data equ= Speed_1000M) |
||
938 | ; mtdx.line_speed = 3; /* 1000M */ |
||
939 | ; else if (data equ= Speed_100M) |
||
940 | ; mtdx.line_speed = 2; /* 100M */ |
||
941 | ; else |
||
942 | ; mtdx.line_speed = 1; /* 10M */ |
||
943 | ; } |
||
944 | ; else if (mtdx.PHYType equ= Myson981) { |
||
945 | ; unsigned int data; |
||
946 | ; |
||
947 | ; data = mdio_read(dev, mtdx.phys[0], StatusRegister); |
||
948 | ; |
||
949 | ; if (data & SPEED100) |
||
950 | ; mtdx.line_speed = 2; |
||
951 | ; else |
||
952 | ; mtdx.line_speed = 1; |
||
953 | ; |
||
954 | ; if (data & FULLMODE) |
||
955 | ; mtdx.duplexmode = 2; |
||
956 | ; else |
||
957 | ; mtdx.duplexmode = 1; |
||
958 | ; } |
||
959 | ; else if (mtdx.PHYType equ= LevelOnePHY) { |
||
960 | ; unsigned int data; |
||
961 | ; |
||
962 | ; data = mdio_read(dev, mtdx.phys[0], SpecificReg); |
||
963 | ; if (data & LXT1000_Full) |
||
964 | ; mtdx.duplexmode = 2; /* full duplex mode */ |
||
965 | ; else |
||
966 | ; mtdx.duplexmode = 1; /* half duplex mode */ |
||
967 | ; data &= SpeedMask; |
||
968 | ; if (data equ= LXT1000_1000M) |
||
969 | ; mtdx.line_speed = 3; /* 1000M */ |
||
970 | ; else if (data equ= LXT1000_100M) |
||
971 | ; mtdx.line_speed = 2; /* 100M */ |
||
972 | ; else |
||
973 | ; mtdx.line_speed = 1; /* 10M */ |
||
974 | ; } |
||
975 | |||
976 | ; // chage crvalue |
||
977 | ; // mtdx.crvalue&equ(~PS10)&(~FD); |
||
978 | ; mtdx.crvalue &= (~PS10) & (~FD) & (~PS1000); |
||
979 | ; if (mtdx.line_speed equ= 1) |
||
980 | ; mtdx.crvalue |= PS10; |
||
981 | ; else if (mtdx.line_speed equ= 3) |
||
982 | ; mtdx.crvalue |= PS1000; |
||
983 | ; if (mtdx.duplexmode equ= 2) |
||
984 | ; mtdx.crvalue |= FD; |
||
985 | ; |
||
986 | |||
987 | ret |
||
988 | |||
989 | |||
990 | |||
991 | |||
992 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
993 | ;; ;; |
||
994 | ;; Transmit ;; |
||
995 | ;; ;; |
||
996 | ;; In: buffer pointer in [esp+4] ;; |
||
997 | ;; size of buffer in [esp+8] ;; |
||
998 | ;; pointer to device structure in ebx ;; |
||
999 | ;; ;; |
||
1000 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
1001 | |||
1002 | align 4 |
||
1003 | transmit: |
||
1004 | |||
1005 | DEBUGF 1,"Transmitting packet, buffer:%x, size:%u\n",[esp+4],[esp+8] |
||
1006 | mov eax, [esp+4] |
||
1007 | DEBUGF 1,"To: %x-%x-%x-%x-%x-%x From: %x-%x-%x-%x-%x-%x Type:%x%x\n",\ |
||
1008 | [eax+00]:2,[eax+01]:2,[eax+02]:2,[eax+03]:2,[eax+04]:2,[eax+05]:2,\ |
||
1009 | [eax+06]:2,[eax+07]:2,[eax+08]:2,[eax+09]:2,[eax+10]:2,[eax+11]:2,\ |
||
1010 | [eax+13]:2,[eax+12]:2 |
||
1011 | |||
1012 | cmp dword [esp+8], 1514 |
||
1013 | ja .fail |
||
1014 | |||
1015 | mov esi, [device.cur_tx] |
||
1016 | push [esi + mtd_desc.next_desc_logical] |
||
1017 | pop [device.cur_tx] |
||
1018 | |||
1019 | ; todo: check if descriptor is not owned by the device! |
||
1020 | |||
1021 | mov eax, [esp + 4] |
||
1022 | mov [esi + mtd_desc.skbuff], eax |
||
1023 | GetRealAddr |
||
1024 | mov [esi + mtd_desc.buffer], eax |
||
1025 | |||
1026 | mov eax, [esp + 8] |
||
1027 | shl eax, PKTSShift ; packet size |
||
1028 | or eax, TXLD + TXFD + CRCEnable + PADEnable + TXIC + 1536 shl TBSShift ; buffer size |
||
1029 | mov [esi + mtd_desc.control], eax |
||
1030 | |||
1031 | mov [esi + mtd_desc.status], TXOWN |
||
1032 | |||
1033 | ;------------- |
||
1034 | ; Update stats |
||
1035 | |||
1036 | inc [device.packets_tx] |
||
1037 | mov eax, [esp+8] |
||
1038 | add dword [device.bytes_tx], eax |
||
1039 | adc dword [device.bytes_tx + 4], 0 |
||
1040 | |||
1041 | ; Point to transmit descriptor |
||
1042 | |||
1043 | set_io 0 |
||
1044 | set_io TXLBA |
||
1045 | mov eax, esi |
||
1046 | GetRealAddr |
||
1047 | out dx, eax |
||
1048 | |||
1049 | ; set_io TCRRCR |
||
1050 | ; mov eax, [device.crvalue] |
||
1051 | ; out dx, eax |
||
1052 | |||
1053 | ; Wake the potentially-idle transmit channel. |
||
1054 | |||
1055 | set_io TXPDR ; TX Poll |
||
1056 | xor eax, eax |
||
1057 | out dx, eax |
||
1058 | |||
1059 | DEBUGF 1,"transmit ok\n" |
||
1060 | xor eax, eax |
||
1061 | ret 8 |
||
1062 | |||
1063 | .fail: |
||
1064 | DEBUGF 1,"transmit failed\n" |
||
4334 | hidnplayr | 1065 | stdcall KernelFree, [esp + 4] |
3545 | hidnplayr | 1066 | or eax, -1 |
1067 | ret 8 |
||
1068 | |||
1069 | |||
1070 | |||
1071 | align 4 |
||
1072 | read_mac: |
||
1073 | |||
1074 | set_io 0 |
||
1075 | set_io PAR0 |
||
1076 | lea edi, [device.mac] |
||
1077 | insd |
||
1078 | stosd |
||
1079 | set_io PAR1 |
||
1080 | insw |
||
1081 | stosw |
||
1082 | |||
1083 | DEBUGF 1,"MAC = %x-%x-%x-%x-%x-%x\n",\ |
||
1084 | [device.mac+0]:2,[device.mac+1]:2,[device.mac+2]:2,[device.mac+3]:2,[device.mac+4]:2,[device.mac+5]:2 |
||
1085 | |||
1086 | ret |
||
1087 | |||
1088 | align 4 |
||
1089 | write_mac: |
||
1090 | |||
1091 | ret |
||
1092 | |||
1093 | |||
1094 | |||
1095 | ;;;;;;;;;;;;;;;;;;;;;;; |
||
1096 | ;; ;; |
||
1097 | ;; Interrupt handler ;; |
||
1098 | ;; ;; |
||
1099 | ;;;;;;;;;;;;;;;;;;;;;;; |
||
1100 | |||
1101 | align 4 |
||
1102 | int_handler: |
||
1103 | |||
1104 | push ebx esi edi |
||
1105 | |||
1106 | DEBUGF 1,"\n%s int\n", my_service |
||
1107 | |||
1108 | ; find pointer of device wich made IRQ occur |
||
1109 | |||
1110 | mov ecx, [devices] |
||
1111 | test ecx, ecx |
||
1112 | jz .nothing |
||
1113 | mov esi, device_list |
||
1114 | .nextdevice: |
||
1115 | mov ebx, [esi] |
||
1116 | |||
1117 | set_io 0 |
||
1118 | set_io ISR |
||
1119 | in eax, dx |
||
1120 | out dx, eax ; send it back to ACK |
||
1121 | test eax, eax |
||
1122 | jnz .got_it |
||
1123 | .continue: |
||
1124 | add esi, 4 |
||
1125 | dec ecx |
||
1126 | jnz .nextdevice |
||
1127 | .nothing: |
||
1128 | pop edi esi ebx |
||
1129 | xor eax, eax |
||
1130 | |||
1131 | ret ; If no device was found, abort (The irq was probably for a device, not registered to this driver) |
||
1132 | |||
1133 | .got_it: |
||
1134 | |||
1135 | DEBUGF 1,"Device: %x Status: %x ", ebx, ax |
||
1136 | |||
1137 | test ax, RI ; receive interrupt |
||
1138 | jz .no_rx |
||
1139 | |||
1140 | DEBUGF 1,"Receive interrupt\n" |
||
1141 | .rx: |
||
1142 | push ax |
||
1143 | |||
1144 | .rx_loop: |
||
1145 | mov esi, [device.cur_rx] |
||
1146 | |||
1147 | test [esi + mtd_desc.status], RXOWN |
||
1148 | jnz .fail_rx |
||
1149 | |||
1150 | push .rx_complete |
||
1151 | |||
1152 | mov ecx, [esi + mtd_desc.status] |
||
1153 | shr ecx, FLNGShift |
||
1154 | sub ecx, 4 ; we dont need CRC |
||
1155 | push ecx |
||
1156 | |||
1157 | ;------------- |
||
1158 | ; Update stats |
||
1159 | |||
1160 | add dword [device.bytes_rx], ecx |
||
1161 | adc dword [device.bytes_rx + 4], 0 |
||
1162 | inc dword [device.packets_rx] |
||
1163 | |||
1164 | |||
1165 | push [esi + mtd_desc.skbuff] |
||
1166 | |||
1167 | jmp Eth_input |
||
1168 | |||
1169 | .rx_complete: |
||
1170 | mov esi, [device.cur_rx] |
||
1171 | |||
1172 | mov [esi + mtd_desc.control], 1536 shl RBSShift |
||
1173 | |||
1174 | stdcall KernelAlloc, 1536 |
||
1175 | mov [esi + mtd_desc.skbuff], eax |
||
1176 | call GetPgAddr |
||
1177 | mov [esi + mtd_desc.buffer], eax |
||
1178 | |||
1179 | mov [esi + mtd_desc.status], RXOWN |
||
1180 | |||
1181 | mov eax, [esi + mtd_desc.next_desc_logical] |
||
1182 | mov [device.cur_rx], eax |
||
1183 | |||
1184 | jmp .rx_loop |
||
1185 | ; |
||
1186 | ; while( ( mtdx.cur_rx->status & RXOWN ) == 0 ) |
||
1187 | ; { |
||
1188 | ; mtdx.cur_rx->status = RXOWN; |
||
1189 | ; mtdx.cur_rx = mtdx.cur_rx->next_desc_logical; |
||
1190 | ; } |
||
1191 | ; |
||
1192 | ; /* Restart Rx engine if stopped. */ |
||
1193 | ; outl(0, mtdx.ioaddr + RXPDR); |
||
1194 | |||
1195 | .fail_rx: |
||
1196 | DEBUGF 1,"RX failed\n" |
||
1197 | |||
1198 | pop ax |
||
1199 | .no_rx: |
||
1200 | |||
1201 | test ax, TI ; transmit interrupt |
||
1202 | jz .no_tx |
||
1203 | |||
1204 | DEBUGF 1,"Transmit interrupt\n" |
||
1205 | push ax |
||
1206 | |||
1207 | lea esi, [device.tx_desc] |
||
1208 | mov ecx, NUM_TX_DESC |
||
1209 | .tx_loop: |
||
1210 | |||
1211 | test [esi + mtd_desc.status], TXOWN |
||
1212 | jnz .skip_this_one |
||
1213 | |||
1214 | mov eax, [esi + mtd_desc.skbuff] |
||
1215 | test eax, eax |
||
1216 | je .skip_this_one |
||
1217 | |||
1218 | mov [esi + mtd_desc.skbuff], 0 |
||
1219 | |||
1220 | DEBUGF 1,"freeing buffer:%x\n", eax |
||
1221 | stdcall KernelFree, eax |
||
1222 | |||
1223 | .skip_this_one: |
||
1224 | mov esi, [esi + mtd_desc.next_desc_logical] |
||
1225 | loop .tx_loop |
||
1226 | |||
1227 | pop ax |
||
1228 | |||
1229 | .no_tx: |
||
1230 | |||
1231 | test ax, TBU |
||
1232 | jz .no_tbu |
||
1233 | |||
1234 | DEBUGF 1,"Transmit buffer unavailable!\n" |
||
1235 | |||
1236 | .no_tbu: |
||
1237 | |||
1238 | .fail: |
||
1239 | pop edi esi ebx |
||
1240 | xor eax, eax |
||
1241 | inc eax |
||
1242 | |||
1243 | ret |
||
1244 | |||
1245 | |||
1246 | ; End of code |
||
1247 | |||
1248 | align 4 ; Place all initialised data here |
||
1249 | |||
1250 | devices dd 0 |
||
1251 | version dd (DRIVER_VERSION shl 16) or (API_VERSION and 0xFFFF) |
||
1252 | my_service db 'mtd80x',0 ; max 16 chars include zero |
||
1253 | |||
1254 | |||
1255 | ; 0x1516, 0x0800, "MTD800", "Myson MTD800" |
||
1256 | ; 0x1516, 0x0803, "MTD803", "Surecom EP-320X" |
||
1257 | ; 0x1516, 0x0891, "MTD891", "Myson MTD891" |
||
1258 | |||
1259 | |||
1260 | include_debug_strings ; All data wich FDO uses will be included here |
||
1261 | |||
1262 | section '.data' data readable writable align 16 ; place all uninitialized data place here |
||
1263 | |||
1264 | device_list rd MAX_DEVICES ; This list contains all pointers to device structures the driver is handling>>> |
||
1265 |