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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 | ;; FORCEDETH.INC ;; |
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7 | ;; ;; |
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8 | ;; Ethernet driver for Kolibri OS ;; |
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9 | ;; ;; |
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10 | ;; Driver for chips of NVIDIA nForce2 ;; |
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11 | ;; References: ;; |
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12 | ;; forcedeth.c - linux driver (etherboot project) ;; |
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13 | ;; ethernet driver template by Mike Hibbett ;; |
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14 | ;; ;; |
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15 | ;; The copyright statement is ;; |
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16 | ;; ;; |
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17 | ;; GNU GENERAL PUBLIC LICENSE ;; |
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18 | ;; Version 2, June 1991 ;; |
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19 | ;; ;; |
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20 | ;; Copyright 2008 shurf, ;; |
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21 | ;; cit.utc@gmail.com ;; |
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22 | ;; ;; |
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23 | ;; See file COPYING for details ;; |
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24 | ;; ;; |
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25 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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26 | |||
27 | |||
28 | format MS COFF |
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29 | |||
30 | API_VERSION = 0x01000100 |
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31 | DRIVER_VERSION = 5 |
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32 | |||
33 | MAX_DEVICES = 16 |
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34 | |||
35 | RBLEN = 0 ; Receive buffer size: 0=4K 1=8k 2=16k 3=32k 4=64k |
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36 | ; FIXME: option 1 and 2 will not allocate buffer correctly causing data loss! |
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37 | |||
38 | DEBUG = 1 |
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39 | __DEBUG__ = 1 |
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40 | __DEBUG_LEVEL__ = 2 |
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41 | |||
42 | RX_RING = 4 |
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43 | TX_RING = 4 |
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44 | |||
45 | include '../proc32.inc' |
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46 | include '../imports.inc' |
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47 | include '../fdo.inc' |
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48 | include '../struct.inc' |
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49 | include '../netdrv.inc' |
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50 | |||
51 | public START |
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52 | public service_proc |
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53 | public version |
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54 | |||
55 | ;************************************************************************** |
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56 | ; forcedeth Register Definitions |
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57 | ;************************************************************************** |
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58 | |||
59 | PCI_DEVICE_ID_NVIDIA_NVENET_1 = 0x01c3 |
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60 | PCI_DEVICE_ID_NVIDIA_NVENET_2 = 0x0066 |
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61 | PCI_DEVICE_ID_NVIDIA_NVENET_4 = 0x0086 |
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62 | PCI_DEVICE_ID_NVIDIA_NVENET_5 = 0x008c |
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63 | PCI_DEVICE_ID_NVIDIA_NVENET_3 = 0x00d6 |
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64 | PCI_DEVICE_ID_NVIDIA_NVENET_7 = 0x00df |
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65 | PCI_DEVICE_ID_NVIDIA_NVENET_6 = 0x00e6 |
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66 | PCI_DEVICE_ID_NVIDIA_NVENET_8 = 0x0056 |
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67 | PCI_DEVICE_ID_NVIDIA_NVENET_9 = 0x0057 |
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68 | PCI_DEVICE_ID_NVIDIA_NVENET_10 = 0x0037 |
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69 | PCI_DEVICE_ID_NVIDIA_NVENET_11 = 0x0038 |
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70 | PCI_DEVICE_ID_NVIDIA_NVENET_12 = 0x0268 |
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71 | PCI_DEVICE_ID_NVIDIA_NVENET_13 = 0x0269 |
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72 | PCI_DEVICE_ID_NVIDIA_NVENET_14 = 0x0372 |
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73 | PCI_DEVICE_ID_NVIDIA_NVENET_15 = 0x0373 |
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74 | |||
75 | UNKSETUP1_VAL = 0x16070f |
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76 | UNKSETUP2_VAL = 0x16 |
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77 | UNKSETUP3_VAL1 = 0x200010 |
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78 | UNKSETUP4_VAL = 8 |
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79 | UNKSETUP5_BIT31 = (1 shl 31) |
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80 | UNKSETUP6_VAL = 3 |
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81 | |||
82 | TXRXCTL_RXCHECK = 0x0400 |
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83 | MIISTAT_ERROR = 0x0001 |
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84 | MIISTAT_MASK = 0x000f |
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85 | MIISTAT_MASK2 = 0x000f |
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86 | MIICTL_INUSE = 0x08000 |
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87 | MIICTL_WRITE = 0x00400 |
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88 | MIICTL_ADDRSHIFT = 5 |
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89 | |||
90 | MIISPEED_BIT8 = (1 shl 8) |
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91 | MIIDELAY = 5 |
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92 | |||
93 | IRQ_RX_ERROR = 0x0001 |
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94 | IRQ_RX = 0x0002 |
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95 | IRQ_RX_NOBUF = 0x0004 |
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96 | IRQ_LINK = 0x0040 |
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97 | IRQ_TIMER = 0x0020 |
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98 | IRQMASK_WANTED_2 = 0x0147 |
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99 | |||
100 | IRQ_RX_ALL = IRQ_RX_ERROR or IRQ_RX or IRQ_RX_NOBUF |
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101 | IRQ_TX_ALL = 0 ; ??????????? |
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102 | IRQ_OTHER_ALL = IRQ_LINK ;or IRQ_TIMER |
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103 | |||
104 | IRQSTAT_MASK = 0x1ff |
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105 | |||
106 | TXRXCTL_KICK = 0x0001 |
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107 | TXRXCTL_BIT1 = 0x0002 |
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108 | TXRXCTL_BIT2 = 0x0004 |
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109 | TXRXCTL_IDLE = 0x0008 |
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110 | TXRXCTL_RESET = 0x0010 |
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111 | TXRXCTL_RXCHECK = 0x0400 |
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112 | |||
113 | MCASTADDRA_FORCE = 0x01 |
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114 | |||
115 | MAC_RESET_ASSERT = 0x0F3 |
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116 | |||
117 | MISC1_HD = 0x02 |
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118 | MISC1_FORCE = 0x3b0f3c |
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119 | |||
120 | PFF_ALWAYS = 0x7F0008 |
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121 | PFF_PROMISC = 0x80 |
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122 | PFF_MYADDR = 0x20 |
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123 | |||
124 | OFFLOAD_HOMEPHY = 0x601 |
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125 | OFFLOAD_NORMAL = 4096 shl RBLEN |
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126 | |||
127 | RNDSEED_MASK = 0x00ff |
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128 | RNDSEED_FORCE = 0x7f00 |
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129 | RNDSEED_FORCE2 = 0x2d00 |
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130 | RNDSEED_FORCE3 = 0x7400 |
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131 | |||
132 | ; POLL_DEFAULT is the interval length of the timer source on the nic |
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133 | ; POLL_DEFAULT=97 would result in an interval length of 1 ms |
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134 | POLL_DEFAULT = 970 |
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135 | |||
136 | ADAPTCTL_START = 0x02 |
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137 | ADAPTCTL_LINKUP = 0x04 |
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138 | ADAPTCTL_PHYVALID = 0x40000 |
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139 | ADAPTCTL_RUNNING = 0x100000 |
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140 | ADAPTCTL_PHYSHIFT = 24 |
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141 | |||
142 | WAKEUPFLAGS_VAL = 0x7770 |
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143 | |||
144 | POWERSTATE_POWEREDUP = 0x8000 |
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145 | POWERSTATE_VALID = 0x0100 |
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146 | POWERSTATE_MASK = 0x0003 |
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147 | POWERSTATE_D0 = 0x0000 |
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148 | POWERSTATE_D1 = 0x0001 |
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149 | POWERSTATE_D2 = 0x0002 |
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150 | POWERSTATE_D3 = 0x0003 |
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151 | |||
152 | POWERSTATE2_POWERUP_MASK = 0x0F11 |
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153 | POWERSTATE2_POWERUP_REV_A3= 0x0001 |
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154 | |||
155 | RCVCTL_START = 0x01 |
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156 | RCVSTAT_BUSY = 0x01 |
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157 | |||
158 | XMITCTL_START = 0x01 |
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159 | |||
160 | LINKSPEED_FORCE = 0x10000 |
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161 | LINKSPEED_10 = 1000 |
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162 | LINKSPEED_100 = 100 |
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163 | LINKSPEED_1000 = 50 |
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164 | |||
165 | RINGSZ_TXSHIFT = 0 |
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166 | RINGSZ_RXSHIFT = 16 |
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167 | |||
168 | LPA_1000FULL = 0x0800 |
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169 | |||
170 | ; Link partner ability register. |
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171 | LPA_SLCT = 0x001f ; Same as advertise selector |
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172 | LPA_10HALF = 0x0020 ; Can do 10mbps half-duplex |
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173 | LPA_10FULL = 0x0040 ; Can do 10mbps full-duplex |
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174 | LPA_100HALF = 0x0080 ; Can do 100mbps half-duplex |
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175 | LPA_100FULL = 0x0100 ; Can do 100mbps full-duplex |
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176 | LPA_100BASE4 = 0x0200 ; Can do 100mbps 4k packets |
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177 | LPA_RESV = 0x1c00 ; Unused... |
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178 | LPA_RFAULT = 0x2000 ; Link partner faulted |
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179 | LPA_LPACK = 0x4000 ; Link partner acked us |
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180 | LPA_NPAGE = 0x8000 ; Next page bit |
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181 | |||
182 | MII_READ = (-1) |
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183 | MII_PHYSID1 = 0x02 ; PHYS ID 1 |
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184 | MII_PHYSID2 = 0x03 ; PHYS ID 2 |
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185 | MII_BMCR = 0x00 ; Basic mode control register |
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186 | MII_BMSR = 0x01 ; Basic mode status register |
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187 | MII_ADVERTISE = 0x04 ; Advertisement control reg |
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188 | MII_LPA = 0x05 ; Link partner ability reg |
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189 | MII_SREVISION = 0x16 ; Silicon revision |
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190 | MII_RESV1 = 0x17 ; Reserved... |
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191 | MII_NCONFIG = 0x1c ; Network interface config |
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192 | |||
193 | ; PHY defines |
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194 | PHY_OUI_MARVELL = 0x5043 |
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195 | PHY_OUI_CICADA = 0x03f1 |
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196 | PHYID1_OUI_MASK = 0x03ff |
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197 | PHYID1_OUI_SHFT = 6 |
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198 | PHYID2_OUI_MASK = 0xfc00 |
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199 | PHYID2_OUI_SHFT = 10 |
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200 | PHY_INIT1 = 0x0f000 |
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201 | PHY_INIT2 = 0x0e00 |
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202 | PHY_INIT3 = 0x01000 |
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203 | PHY_INIT4 = 0x0200 |
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204 | PHY_INIT5 = 0x0004 |
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205 | PHY_INIT6 = 0x02000 |
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206 | PHY_GIGABIT = 0x0100 |
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207 | |||
208 | PHY_TIMEOUT = 0x1 |
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209 | PHY_ERROR = 0x2 |
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210 | |||
211 | PHY_100 = 0x1 |
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212 | PHY_1000 = 0x2 |
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213 | PHY_HALF = 0x100 |
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214 | |||
215 | PHY_RGMII = 0x10000000 |
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216 | |||
217 | ; desc_ver values: |
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218 | ; This field has two purposes: |
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219 | ; - Newer nics uses a different ring layout. The layout is selected by |
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220 | ; comparing np->desc_ver with DESC_VER_xy. |
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221 | ; - It contains bits that are forced on when writing to TxRxControl. |
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222 | DESC_VER_1 = 0x0 |
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223 | DESC_VER_2 = (0x02100 or TXRXCTL_RXCHECK) |
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224 | |||
225 | MAC_ADDR_LEN = 6 |
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226 | |||
227 | NV_TX_LASTPACKET = (1 shl 16) |
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228 | NV_TX_RETRYERROR = (1 shl 19) |
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229 | NV_TX_LASTPACKET1 = (1 shl 24) |
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230 | NV_TX_DEFERRED = (1 shl 26) |
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231 | NV_TX_CARRIERLOST = (1 shl 27) |
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232 | NV_TX_LATECOLLISION = (1 shl 28) |
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233 | NV_TX_UNDERFLOW = (1 shl 29) |
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234 | NV_TX_ERROR = (1 shl 30) |
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235 | NV_TX_VALID = (1 shl 31) |
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236 | |||
237 | NV_TX2_LASTPACKET = (1 shl 29) |
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238 | NV_TX2_RETRYERROR = (1 shl 18) |
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239 | NV_TX2_LASTPACKET1 = (1 shl 23) |
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240 | NV_TX2_DEFERRED = (1 shl 25) |
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241 | NV_TX2_CARRIERLOST = (1 shl 26) |
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242 | NV_TX2_LATECOLLISION = (1 shl 27) |
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243 | NV_TX2_UNDERFLOW = (1 shl 28) |
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244 | ; error and valid are the same for both |
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245 | NV_TX2_ERROR = (1 shl 30) |
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246 | NV_TX2_VALID = (1 shl 31) |
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247 | |||
248 | NV_RX_DESCRIPTORVALID = (1 shl 16) |
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249 | NV_RX_AVAIL = (1 shl 31) |
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250 | |||
251 | NV_RX2_DESCRIPTORVALID = (1 shl 29) |
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252 | |||
253 | FLAG_MASK_V1 = 0xffff0000 |
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254 | FLAG_MASK_V2 = 0xffffc000 |
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255 | LEN_MASK_V1 = (0xffffffff xor FLAG_MASK_V1) |
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256 | LEN_MASK_V2 = (0xffffffff xor FLAG_MASK_V2) |
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257 | |||
258 | ; Miscelaneous hardware related defines: |
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259 | NV_PCI_REGSZ_VER1 = 0x270 |
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260 | NV_PCI_REGSZ_VER2 = 0x604 |
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261 | ; various timeout delays: all in usec |
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262 | NV_TXRX_RESET_DELAY = 4 |
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263 | NV_TXSTOP_DELAY1 = 10 |
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264 | NV_TXSTOP_DELAY1MAX = 500000 |
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265 | NV_TXSTOP_DELAY2 = 100 |
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266 | NV_RXSTOP_DELAY1 = 10 |
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267 | NV_RXSTOP_DELAY1MAX = 500000 |
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268 | NV_RXSTOP_DELAY2 = 100 |
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269 | NV_SETUP5_DELAY = 5 |
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270 | NV_SETUP5_DELAYMAX = 50000 |
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271 | NV_POWERUP_DELAY = 5 |
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272 | NV_POWERUP_DELAYMAX = 5000 |
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273 | NV_MIIBUSY_DELAY = 50 |
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274 | NV_MIIPHY_DELAY = 10 |
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275 | NV_MIIPHY_DELAYMAX = 10000 |
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276 | NV_MAC_RESET_DELAY = 64 |
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277 | NV_WAKEUPPATTERNS = 5 |
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278 | NV_WAKEUPMASKENTRIES = 4 |
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279 | |||
280 | ; Advertisement control register. |
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281 | ADVERTISE_SLCT = 0x001f ; Selector bits |
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282 | ADVERTISE_CSMA = 0x0001 ; Only selector supported |
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283 | ADVERTISE_10HALF = 0x0020 ; Try for 10mbps half-duplex |
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284 | ADVERTISE_10FULL = 0x0040 ; Try for 10mbps full-duplex |
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285 | ADVERTISE_100HALF = 0x0080 ; Try for 100mbps half-duplex |
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286 | ADVERTISE_100FULL = 0x0100 ; Try for 100mbps full-duplex |
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287 | ADVERTISE_100BASE4 = 0x0200 ; Try for 100mbps 4k packets |
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288 | ADVERTISE_RESV = 0x1c00 ; Unused... |
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289 | ADVERTISE_RFAULT = 0x2000 ; Say we can detect faults |
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290 | ADVERTISE_LPACK = 0x4000 ; Ack link partners response |
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291 | ADVERTISE_NPAGE = 0x8000 ; Next page bit |
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292 | |||
293 | ADVERTISE_FULL = (ADVERTISE_100FULL or ADVERTISE_10FULL or ADVERTISE_CSMA) |
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294 | ADVERTISE_ALL = (ADVERTISE_10HALF or ADVERTISE_10FULL or ADVERTISE_100HALF or ADVERTISE_100FULL) |
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295 | |||
296 | MII_1000BT_CR = 0x09 |
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297 | MII_1000BT_SR = 0x0a |
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298 | ADVERTISE_1000FULL = 0x0200 |
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299 | ADVERTISE_1000HALF = 0x0100 |
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300 | |||
301 | BMCR_ANRESTART = 0x0200 ; Auto negotiation restart |
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302 | BMCR_ANENABLE = 0x1000 ; Enable auto negotiation |
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303 | BMCR_SPEED100 = 0x2000 ; Select 100Mbps |
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304 | BMCR_LOOPBACK = 0x4000 ; TXD loopback bits |
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305 | BMCR_RESET = 0x8000 ; Reset the DP83840 |
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306 | |||
307 | ; Basic mode status register. |
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308 | BMSR_ERCAP = 0x0001 ; Ext-reg capability |
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309 | BMSR_JCD = 0x0002 ; Jabber detected |
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310 | BMSR_LSTATUS = 0x0004 ; Link status |
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311 | BMSR_ANEGCAPABLE = 0x0008 ; Able to do auto-negotiation |
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312 | BMSR_RFAULT = 0x0010 ; Remote fault detected |
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313 | BMSR_ANEGCOMPLETE = 0x0020 ; Auto-negotiation complete |
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314 | BMSR_RESV = 0x07c0 ; Unused... |
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315 | BMSR_10HALF = 0x0800 ; Can do 10mbps, half-duplex |
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316 | BMSR_10FULL = 0x1000 ; Can do 10mbps, full-duplex |
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317 | BMSR_100HALF = 0x2000 ; Can do 100mbps, half-duplex |
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318 | BMSR_100FULL = 0x4000 ; Can do 100mbps, full-duplex |
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319 | BMSR_100BASE4 = 0x8000 ; Can do 100mbps, 4k packets |
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320 | |||
321 | struct TxDesc |
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322 | PacketBuffer dd ? |
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323 | FlagLen dd ? |
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324 | ends |
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325 | |||
326 | struct RxDesc |
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327 | PacketBuffer dd ? |
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328 | FlagLen dd ? |
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329 | ends |
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330 | |||
331 | virtual at ebx |
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332 | |||
333 | device: |
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334 | |||
335 | ETH_DEVICE |
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336 | |||
337 | .pci_bus dd ? |
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338 | .pci_dev dd ? |
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339 | |||
340 | .mmio_addr dd ? |
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341 | .vendor_id dw ? |
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342 | .device_id dw ? |
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343 | .txflags dd ? |
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344 | .desc_ver dd ? |
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345 | .irqmask dd ? |
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346 | .wolenabled dd ? |
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347 | .in_shutdown dd ? |
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348 | .cur_rx dd ? |
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349 | .phyaddr dd ? |
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350 | .phy_oui dd ? |
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351 | .gigabit dd ? |
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352 | .needs_mac_reset dd ? |
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353 | .linkspeed dd ? |
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354 | .duplex dd ? |
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355 | .next_tx dd ? |
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356 | .nocable dd ? |
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357 | |||
358 | rb 0x100 - (($ - device) and 0xff) |
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359 | .tx_ring rd (TX_RING * sizeof.TxDesc) /4*2 |
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360 | |||
361 | rb 0x100 - (($ - device) and 0xff) |
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362 | .rx_ring rd (RX_RING * sizeof.RxDesc) /4*2 |
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363 | |||
364 | sizeof.device_struct = $ - device |
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365 | end virtual |
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366 | |||
367 | |||
368 | virtual at edi |
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369 | IrqStatus dd ? |
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370 | IrqMask dd ? |
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371 | UnknownSetupReg6 dd ? |
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372 | PollingInterval dd ? |
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373 | end virtual |
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374 | |||
375 | virtual at edi + 0x3c |
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376 | MacReset dd ? |
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377 | end virtual |
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378 | |||
379 | virtual at edi + 0x80 |
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380 | Misc1 dd ? |
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381 | TransmitterControl dd ? |
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382 | TransmitterStatus dd ? |
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383 | PacketFilterFlags dd ? |
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384 | OffloadConfig dd ? |
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385 | ReceiverControl dd ? |
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386 | ReceiverStatus dd ? |
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387 | RandomSeed dd ? |
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388 | UnknownSetupReg1 dd ? |
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389 | UnknownSetupReg2 dd ? |
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390 | MacAddrA dd ? |
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391 | MacAddrB dd ? |
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392 | MulticastAddrA dd ? |
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393 | MulticastAddrB dd ? |
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394 | MulticastMaskA dd ? |
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395 | MulticastMaskB dd ? |
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396 | PhyInterface dd ? |
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397 | end virtual |
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398 | |||
399 | virtual at edi + 0x100 |
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400 | TxRingPhysAddr dd ? |
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401 | RxRingPhysAddr dd ? |
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402 | RingSizes dd ? |
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403 | UnknownTransmitterReg dd ? |
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404 | LinkSpeed dd ? |
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405 | end virtual |
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406 | |||
407 | virtual at edi + 0x130 |
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408 | UnknownSetupReg5 dd ? |
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409 | end virtual |
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410 | |||
411 | virtual at edi + 0x13c |
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412 | UnknownSetupReg3 dd ? |
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413 | end virtual |
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414 | |||
415 | virtual at edi + 0x144 |
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416 | TxRxControl dd ? |
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417 | end virtual |
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418 | |||
419 | virtual at edi + 0x180 |
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420 | MIIStatus dd ? |
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421 | UnknownSetupReg4 dd ? |
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422 | AdapterControl dd ? |
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423 | MIISpeed dd ? |
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424 | MIIControl dd ? |
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425 | MIIData dd ? |
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426 | end virtual |
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427 | |||
428 | virtual at edi + 0x200 |
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429 | WakeUpFlags dd ? |
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430 | end virtual |
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431 | |||
432 | virtual at edi + 0x26c |
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433 | PowerState dd ? |
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434 | end virtual |
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435 | |||
436 | virtual at edi + 0x600 |
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437 | PowerState2 dd ? |
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438 | end virtual |
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439 | |||
440 | |||
441 | section '.flat' code readable align 16 |
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442 | |||
443 | |||
444 | |||
445 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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446 | ;; ;; |
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447 | ;; proc START ;; |
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448 | ;; ;; |
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449 | ;; (standard driver proc) ;; |
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450 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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451 | |||
452 | align 4 |
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453 | proc START stdcall, state:dword |
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454 | |||
455 | cmp [state], 1 |
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456 | jne .exit |
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457 | |||
458 | DEBUGF 2,"Loading %s driver\n", my_service |
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459 | stdcall RegService, my_service, service_proc |
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460 | ret |
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461 | |||
462 | .exit: |
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463 | xor eax, eax |
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464 | ret |
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465 | |||
466 | endp |
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467 | |||
468 | |||
469 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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470 | ;; ;; |
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471 | ;; proc SERVICE_PROC ;; |
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472 | ;; ;; |
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473 | ;; (standard driver proc) ;; |
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474 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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475 | |||
476 | align 4 |
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477 | proc service_proc stdcall, ioctl:dword |
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478 | |||
479 | mov edx, [ioctl] |
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480 | mov eax, [IOCTL.io_code] |
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481 | |||
482 | ;------------------------------------------------------ |
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483 | |||
484 | cmp eax, 0 ;SRV_GETVERSION |
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485 | jne @F |
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486 | |||
487 | cmp [IOCTL.out_size], 4 |
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488 | jb .fail |
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489 | mov eax, [IOCTL.output] |
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490 | mov [eax], dword API_VERSION |
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491 | |||
492 | xor eax, eax |
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493 | ret |
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494 | |||
495 | ;------------------------------------------------------ |
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496 | @@: |
||
497 | cmp eax, 1 ;SRV_HOOK |
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498 | jne .fail |
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499 | |||
500 | cmp [IOCTL.inp_size], 3 ; Data input must be at least 3 bytes |
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501 | jb .fail |
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502 | |||
503 | mov eax, [IOCTL.input] |
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504 | cmp byte [eax], 1 ; 1 means device number and bus number (pci) are given |
||
505 | jne .fail ; other types arent supported for this card yet |
||
506 | |||
507 | ; check if the device is already listed |
||
508 | |||
509 | mov esi, device_list |
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510 | mov ecx, [devices] |
||
511 | test ecx, ecx |
||
512 | jz .firstdevice |
||
513 | |||
514 | ; mov eax, [IOCTL.input] ; get the pci bus and device numbers |
||
515 | mov ax, [eax+1] |
||
516 | .nextdevice: |
||
517 | mov ebx, [esi] |
||
518 | cmp al, byte [device.pci_bus] ; compare with pci and device num in device list (notice the usage of word instead of byte) |
||
519 | jne @f |
||
520 | cmp ah, byte [device.pci_dev] |
||
521 | je .find_devicenum ; Device is already loaded, let's find it's device number |
||
522 | @@: |
||
523 | add esi, 4 |
||
524 | loop .nextdevice |
||
525 | |||
526 | |||
527 | ; This device doesnt have its own eth_device structure yet, lets create one |
||
528 | .firstdevice: |
||
529 | cmp [devices], MAX_DEVICES ; First check if the driver can handle one more card |
||
530 | jae .fail |
||
531 | |||
532 | allocate_and_clear ebx, sizeof.device_struct, .fail ; Allocate the buffer for device structure |
||
533 | |||
534 | ; Fill in the direct call addresses into the struct |
||
535 | |||
536 | mov [device.reset], reset |
||
537 | mov [device.transmit], transmit |
||
538 | mov [device.unload], .fail |
||
539 | mov [device.name], my_service |
||
540 | |||
541 | ; save the pci bus and device numbers |
||
542 | |||
543 | mov eax, [IOCTL.input] |
||
544 | movzx ecx, byte [eax+1] |
||
545 | mov [device.pci_bus], ecx |
||
546 | movzx ecx, byte [eax+2] |
||
547 | mov [device.pci_dev], ecx |
||
548 | |||
549 | DEBUGF 1,"Hooking into device, dev:%x, bus:%x\n", [device.pci_dev], [device.pci_bus] |
||
550 | |||
551 | ; Ok, the eth_device structure is ready, let's probe the device |
||
552 | call probe ; this function will output in eax |
||
553 | test eax, eax |
||
554 | jnz .err ; If an error occured, exit |
||
555 | |||
556 | mov eax, [devices] ; Add the device structure to our device list |
||
557 | mov [device_list+4*eax], ebx ; (IRQ handler uses this list to find device) |
||
558 | inc [devices] ; |
||
559 | |||
560 | mov [device.type], NET_TYPE_ETH |
||
561 | call NetRegDev |
||
562 | |||
563 | cmp eax, -1 |
||
564 | je .destroy |
||
565 | |||
566 | ret |
||
567 | |||
568 | ; If the device was already loaded, find the device number and return it in eax |
||
569 | |||
570 | .find_devicenum: |
||
571 | DEBUGF 1,"Trying to find device number of already registered device\n" |
||
572 | call NetPtrToNum ; This kernel procedure converts a pointer to device struct in ebx |
||
573 | ; into a device number in edi |
||
574 | mov eax, edi ; Application wants it in eax instead |
||
575 | DEBUGF 1,"Kernel says: %u\n", eax |
||
576 | ret |
||
577 | |||
578 | ; If an error occured, remove all allocated data and exit (returning -1 in eax) |
||
579 | |||
580 | .destroy: |
||
581 | ; todo: reset device into virgin state |
||
582 | |||
583 | .err: |
||
584 | stdcall KernelFree, ebx |
||
585 | .fail: |
||
586 | |||
587 | ret |
||
588 | |||
589 | ;------------------------------------------------------ |
||
590 | endp |
||
591 | |||
592 | |||
593 | ;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;; |
||
594 | ;; ;; |
||
595 | ;; Actual Hardware dependent code starts here ;; |
||
596 | ;; ;; |
||
597 | ;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;; |
||
598 | |||
599 | |||
600 | |||
601 | |||
602 | ;*************************************************************************** |
||
603 | ; Function |
||
604 | ; probe |
||
605 | ; Description |
||
606 | ; Searches for an ethernet card, enables it and clears the rx buffer |
||
607 | ; |
||
608 | ;*************************************************************************** |
||
609 | align 4 |
||
610 | probe: |
||
611 | |||
612 | DEBUGF 1,"probe\n" |
||
613 | |||
614 | mov [device.needs_mac_reset], 0 |
||
615 | |||
616 | PCI_make_bus_master |
||
617 | PCI_adjust_latency 32 |
||
618 | PCI_find_mmio32 |
||
619 | |||
620 | DEBUGF 1,"mmio_addr= 0x%x\n", [device.mmio_addr]:8 |
||
621 | |||
622 | stdcall MapIoMem, [device.mmio_addr], 2048, (PG_SW + PG_NOCACHE) |
||
623 | test eax, eax |
||
624 | jz fail |
||
625 | mov [device.mmio_addr], eax |
||
626 | mov edi, eax |
||
627 | |||
628 | DEBUGF 1,"mapped mmio_addr= 0x%x\n", [device.mmio_addr]:8 |
||
629 | |||
630 | ;------------------------------------- |
||
631 | ; handle different descriptor versions |
||
632 | mov [device.desc_ver], DESC_VER_1 |
||
633 | movzx eax, [device.device_id] |
||
634 | cmp eax, PCI_DEVICE_ID_NVIDIA_NVENET_1 |
||
635 | je .ver1 |
||
636 | cmp eax, PCI_DEVICE_ID_NVIDIA_NVENET_2 |
||
637 | je .ver1 |
||
638 | cmp eax, PCI_DEVICE_ID_NVIDIA_NVENET_3 |
||
639 | je .ver1 |
||
640 | mov [device.desc_ver], DESC_VER_2 |
||
641 | .ver1: |
||
642 | |||
643 | call read_mac |
||
644 | |||
645 | ; disable WOL |
||
646 | mov [WakeUpFlags], 0 |
||
647 | mov [device.wolenabled], 0 |
||
648 | |||
649 | mov [device.txflags], (NV_TX2_LASTPACKET or NV_TX2_VALID) |
||
650 | cmp [device.desc_ver], DESC_VER_1 |
||
651 | jne @f |
||
652 | mov [device.txflags], (NV_TX_LASTPACKET or NV_TX_VALID) |
||
653 | @@: |
||
654 | |||
655 | ; BEGIN of switch (pci->dev_id) |
||
656 | |||
657 | cmp [device.device_id], 0x01C3 |
||
658 | jne .next_0x0066 |
||
659 | ; nforce |
||
660 | mov [device.irqmask], 0 ;;;;;;;;;;;;;;;(IRQMASK_WANTED_2 or IRQ_TIMER) |
||
661 | jmp .find_phy |
||
662 | |||
663 | .next_0x0066: |
||
664 | cmp [device.device_id], 0x0066 |
||
665 | je @f |
||
666 | cmp [device.device_id], 0x00D6 |
||
667 | je @f |
||
668 | jmp .next_0x0086 |
||
669 | @@: |
||
670 | mov [device.irqmask], 0 ;;;;;;;;;;;;;;;;(IRQMASK_WANTED_2 or IRQ_TIMER) |
||
671 | cmp [device.desc_ver], DESC_VER_1 |
||
672 | jne @f |
||
673 | or [device.txflags], NV_TX_LASTPACKET1 |
||
674 | jmp .find_phy |
||
675 | @@: |
||
676 | or [device.txflags], NV_TX2_LASTPACKET1 |
||
677 | jmp .find_phy |
||
678 | |||
679 | .next_0x0086: |
||
680 | cmp [device.device_id], 0x0086 |
||
681 | je @f |
||
682 | cmp [device.device_id], 0x008c |
||
683 | je @f |
||
684 | cmp [device.device_id], 0x00e6 |
||
685 | je @f |
||
686 | cmp [device.device_id], 0x00df |
||
687 | je @f |
||
688 | cmp [device.device_id], 0x0056 |
||
689 | je @f |
||
690 | cmp [device.device_id], 0x0057 |
||
691 | je @f |
||
692 | cmp [device.device_id], 0x0037 |
||
693 | je @f |
||
694 | cmp [device.device_id], 0x0038 |
||
695 | je @f |
||
696 | jmp .find_phy |
||
697 | |||
698 | @@: |
||
699 | mov [device.irqmask], 0 ;;;;;;;;;;;;;;;;(IRQMASK_WANTED_2 or IRQ_TIMER) |
||
700 | |||
701 | cmp [device.desc_ver], DESC_VER_1 |
||
702 | jne @f |
||
703 | or [device.txflags], NV_TX_LASTPACKET1 |
||
704 | jmp .find_phy |
||
705 | @@: |
||
706 | or [device.txflags], NV_TX2_LASTPACKET1 |
||
707 | jmp .find_phy |
||
708 | |||
709 | .next_0x0268: |
||
710 | ; cmp word [device_id], 0x0268 |
||
711 | ; je @f |
||
712 | ; cmp word [device_id], 0x0269 |
||
713 | ; je @f |
||
714 | ; cmp word [device_id], 0x0372 |
||
715 | ; je @f |
||
716 | ; cmp word [device_id], 0x0373 |
||
717 | ; je @f |
||
718 | ; jmp .default_switch |
||
719 | ;@@: |
||
720 | cmp [device.device_id], 0x0268 |
||
721 | jb .undefined |
||
722 | |||
723 | ; Get device revision |
||
724 | |||
725 | stdcall PciRead8, [device.pci_bus], [device.pci_dev], PCI_REVISION_ID |
||
726 | |||
727 | ; take phy and nic out of low power mode |
||
728 | mov ecx, [PowerState2] |
||
729 | and ecx, not POWERSTATE2_POWERUP_MASK |
||
730 | cmp [device.device_id], PCI_DEVICE_ID_NVIDIA_NVENET_12 |
||
731 | jne @f |
||
732 | cmp [device.device_id], PCI_DEVICE_ID_NVIDIA_NVENET_13 |
||
733 | jne @f |
||
734 | cmp al, 0xA3 |
||
735 | jb @f |
||
736 | or ecx, POWERSTATE2_POWERUP_REV_A3 |
||
737 | @@: |
||
738 | mov [PowerState2], ecx |
||
739 | |||
740 | ; DEV_NEED_LASTPACKET1|DEV_IRQMASK_2|DEV_NEED_TIMERIRQ |
||
741 | mov [device.irqmask], 0 ;;;;;;;;;;;;;;;;(IRQMASK_WANTED_2 or IRQ_TIMER) |
||
742 | |||
743 | mov [device.needs_mac_reset], 1 |
||
744 | cmp [device.desc_ver], DESC_VER_1 |
||
745 | jne @f |
||
746 | or [device.txflags], NV_TX_LASTPACKET1 |
||
747 | jmp .find_phy |
||
748 | @@: |
||
749 | cmp [device.desc_ver], DESC_VER_2 |
||
750 | jne .undefined |
||
751 | or [device.txflags], NV_TX2_LASTPACKET1 |
||
752 | jmp .find_phy |
||
753 | |||
754 | .undefined: |
||
755 | DEBUGF 1,"Your card was undefined in this driver.\n" |
||
756 | DEBUGF 1,"Review driver_data in Kolibri driver and send a patch\n" |
||
757 | |||
758 | ; Find a suitable phy |
||
759 | ; Start with address 1 to 31, then do 0, then fail |
||
760 | |||
761 | .find_phy: |
||
762 | xor edx, edx |
||
763 | .phy_loop: |
||
764 | inc edx |
||
765 | and edx, 0x1f ; phyaddr = i & 0x1f |
||
766 | mov eax, MII_PHYSID1 |
||
767 | mov ecx, MII_READ |
||
768 | call mii_rw ; EDX - addr, EAX - miireg, ECX - value |
||
769 | |||
770 | cmp eax, 0xffff |
||
771 | je .try_next |
||
772 | cmp eax, 0 |
||
773 | jl .try_next |
||
774 | mov esi, eax |
||
775 | |||
776 | mov eax, MII_PHYSID2 |
||
777 | mov ecx, MII_READ |
||
778 | call mii_rw |
||
779 | |||
780 | cmp eax, 0xffff |
||
781 | je .try_next |
||
782 | cmp eax, 0 |
||
783 | jl .try_next |
||
784 | jmp .got_it |
||
785 | |||
786 | .try_next: |
||
787 | test edx, edx |
||
788 | jnz .phy_loop |
||
789 | |||
790 | ; PHY in isolate mode? No phy attached and user wants to test loopback? |
||
791 | ; Very odd, but can be correct. |
||
792 | |||
793 | DEBUGF 1,"Could not find a valid PHY.\n" |
||
794 | jmp .no_phy |
||
795 | |||
796 | .got_it: |
||
797 | |||
798 | and esi, PHYID1_OUI_MASK |
||
799 | shl esi, PHYID1_OUI_SHFT |
||
800 | |||
801 | and eax, PHYID2_OUI_MASK |
||
802 | shr eax, PHYID2_OUI_SHFT |
||
803 | |||
804 | DEBUGF 1,"Found PHY 0x%x:0x%x at address 0x%x\n", esi:8, eax:8, edx |
||
805 | |||
806 | mov [device.phyaddr], edx |
||
807 | or eax, esi |
||
808 | mov [device.phy_oui], eax |
||
809 | |||
810 | call phy_init |
||
811 | |||
812 | .no_phy: |
||
813 | |||
814 | cmp [device.needs_mac_reset], 0 |
||
815 | je @f |
||
816 | call mac_reset |
||
817 | @@: |
||
818 | |||
819 | ;*************************************************************************** |
||
820 | ; Function |
||
821 | ; reset |
||
822 | ; Description |
||
823 | ; Place the chip (ie, the ethernet card) into a virgin state |
||
824 | ; No inputs |
||
825 | ; All registers destroyed |
||
826 | ; |
||
827 | ;*************************************************************************** |
||
828 | reset: |
||
829 | |||
830 | DEBUGF 1,"Resetting\n" |
||
831 | |||
832 | stdcall PciRead8, [device.pci_bus], [device.pci_dev], PCI_REG_IRQ |
||
833 | movzx eax, al |
||
834 | stdcall AttachIntHandler, eax, int_handler, dword 0 |
||
835 | test eax, eax |
||
836 | jnz @f |
||
837 | DEBUGF 1,"\nCould not attach int handler!\n" |
||
838 | ; or eax, -1 |
||
839 | ; ret |
||
840 | @@: |
||
841 | |||
842 | ; erase previous misconfiguration |
||
843 | |||
844 | mov edi, [device.mmio_addr] |
||
845 | mov [MulticastAddrA], MCASTADDRA_FORCE |
||
846 | mov [MulticastAddrB], 0 |
||
847 | mov [MulticastMaskA], 0 |
||
848 | mov [MulticastMaskB], 0 |
||
849 | mov [PacketFilterFlags], 0 |
||
850 | mov [TransmitterControl], 0 |
||
851 | mov [ReceiverControl], 0 |
||
852 | mov [AdapterControl], 0 |
||
853 | |||
854 | ; initialize descriptor rings |
||
855 | |||
856 | call init_ring |
||
857 | |||
858 | mov [LinkSpeed], 0 |
||
859 | mov [UnknownTransmitterReg], 0 |
||
860 | |||
861 | call txrx_reset |
||
862 | |||
863 | mov [UnknownSetupReg6], 0 |
||
864 | mov [device.in_shutdown], 0 |
||
865 | |||
866 | ; give hw rings |
||
867 | |||
868 | lea eax, [device.rx_ring] |
||
869 | GetRealAddr |
||
870 | mov [RxRingPhysAddr], eax |
||
871 | |||
872 | lea eax, [device.tx_ring] |
||
873 | GetRealAddr |
||
874 | mov [TxRingPhysAddr], eax |
||
875 | |||
876 | mov [RingSizes], (((RX_RING - 1) shl RINGSZ_RXSHIFT) + ((TX_RING - 1) shl RINGSZ_TXSHIFT)) |
||
877 | |||
878 | ; |
||
879 | |||
880 | mov [device.linkspeed], (LINKSPEED_FORCE or LINKSPEED_10) |
||
881 | mov [device.duplex], 0 |
||
882 | mov [LinkSpeed], (LINKSPEED_FORCE or LINKSPEED_10) |
||
883 | mov [UnknownSetupReg3], UNKSETUP3_VAL1 |
||
884 | |||
885 | mov eax, [device.desc_ver] |
||
886 | mov [TxRxControl], eax |
||
887 | call pci_push |
||
888 | or eax, TXRXCTL_BIT1 |
||
889 | mov [TxRxControl], eax |
||
890 | |||
891 | stdcall reg_delay, UnknownSetupReg5-edi, UNKSETUP5_BIT31, UNKSETUP5_BIT31, NV_SETUP5_DELAY, NV_SETUP5_DELAYMAX, 0 |
||
892 | |||
893 | mov [UnknownSetupReg4], 0 |
||
894 | mov [MIIStatus], MIISTAT_MASK2 |
||
895 | |||
896 | ; |
||
897 | |||
898 | mov [Misc1], (MISC1_FORCE or MISC1_HD) |
||
899 | |||
900 | mov eax, [TransmitterStatus] |
||
901 | mov [TransmitterStatus], eax |
||
902 | |||
903 | mov [PacketFilterFlags], PFF_ALWAYS |
||
904 | |||
905 | mov [OffloadConfig], OFFLOAD_NORMAL |
||
906 | |||
907 | mov eax, [ReceiverStatus] |
||
908 | mov [ReceiverStatus], eax |
||
909 | |||
910 | ; set random seed |
||
911 | push ebx |
||
912 | stdcall GetTimerTicks ; bad idea, driver is started at system startup in 90% of cases.. |
||
913 | pop ebx |
||
914 | |||
915 | mov edi, [device.mmio_addr] |
||
916 | |||
917 | and eax, RNDSEED_MASK |
||
918 | or eax, RNDSEED_FORCE |
||
919 | mov [RandomSeed], eax |
||
920 | |||
921 | mov [UnknownSetupReg1], UNKSETUP1_VAL |
||
922 | mov [UnknownSetupReg2], UNKSETUP2_VAL |
||
923 | mov [PollingInterval], POLL_DEFAULT |
||
924 | mov [UnknownSetupReg6], UNKSETUP6_VAL |
||
925 | |||
926 | mov eax, [device.phyaddr] |
||
927 | shl eax, ADAPTCTL_PHYSHIFT |
||
928 | or eax, (ADAPTCTL_PHYVALID or ADAPTCTL_RUNNING) |
||
929 | mov [AdapterControl], eax |
||
930 | |||
931 | mov [MIISpeed], (MIISPEED_BIT8 or MIIDELAY) |
||
932 | mov [UnknownSetupReg4], UNKSETUP4_VAL |
||
933 | mov [WakeUpFlags], WAKEUPFLAGS_VAL |
||
934 | |||
935 | or [PowerState], POWERSTATE_POWEREDUP |
||
936 | call pci_push |
||
937 | |||
938 | mov esi, 10 |
||
939 | call Sleep |
||
940 | |||
941 | or [PowerState], POWERSTATE_VALID |
||
942 | mov [IrqMask], 0 |
||
943 | |||
944 | ;;; ; ??? Mask RX interrupts |
||
945 | mov [IrqMask], IRQ_RX_ALL + IRQ_TX_ALL |
||
946 | ;;; ; ??? Mask TX interrupts |
||
947 | ;;; mov [IrqMask], IRQ_TX_ALL |
||
948 | ;;; ; ??? Mask OTHER interrupts |
||
949 | ;;; mov [IrqMask], IRQ_OTHER_ALL |
||
950 | call pci_push |
||
951 | |||
952 | mov [MIIStatus], MIISTAT_MASK2 |
||
953 | mov [IrqStatus], IRQSTAT_MASK |
||
954 | call pci_push |
||
955 | |||
956 | mov [MulticastAddrA], MCASTADDRA_FORCE |
||
957 | mov [MulticastAddrB], 0 |
||
958 | mov [MulticastMaskA], 0 |
||
959 | mov [MulticastMaskB], 0 |
||
960 | |||
961 | mov [PacketFilterFlags], (PFF_ALWAYS or PFF_MYADDR) |
||
962 | |||
963 | call set_multicast |
||
964 | |||
965 | ; One manual link speed update: Interrupts are enabled, future link |
||
966 | ; speed changes cause interrupts and are handled by nv_link_irq(). |
||
967 | |||
968 | mov eax, [MIIStatus] |
||
969 | mov [MIIStatus], MIISTAT_MASK |
||
970 | DEBUGF 1,"startup: got 0x%x\n", eax |
||
971 | |||
972 | call update_linkspeed |
||
973 | |||
974 | mov [TransmitterControl], XMITCTL_START ; start TX |
||
975 | call pci_push |
||
976 | |||
977 | mov [device.nocable], 0 |
||
978 | test eax, eax |
||
979 | jnz .return |
||
980 | DEBUGF 1,"no link during initialization.\n" |
||
981 | mov [device.nocable], 1 |
||
982 | |||
983 | .return: |
||
984 | xor eax, eax ; Indicate that we have successfully reset the card |
||
985 | mov [device.mtu], 1514 ;;; FIXME |
||
986 | |||
987 | ; Set link state to unknown |
||
988 | mov [device.state], ETH_LINK_UNKOWN |
||
989 | |||
990 | ret |
||
991 | |||
992 | |||
993 | fail: |
||
994 | or eax, -1 |
||
995 | |||
996 | ret |
||
997 | |||
998 | ;-------------------------------------------------------- |
||
999 | ; |
||
1000 | ; MII_RW |
||
1001 | ; |
||
1002 | ; read/write a register on the PHY. |
||
1003 | ; Caller must guarantee serialization |
||
1004 | ; Input: EAX - miireg, EDX - addr, ECX - value |
||
1005 | ; Output: EAX - retval |
||
1006 | ; |
||
1007 | ;-------------------------------------------------------- |
||
1008 | |||
1009 | mii_rw: |
||
1010 | |||
1011 | DEBUGF 1,"mii_rw: 0x%x to reg %d at PHY %d\n", ecx, eax, edx |
||
1012 | |||
1013 | push edx |
||
1014 | |||
1015 | mov edi, [device.mmio_addr] |
||
1016 | mov [MIIStatus], MIISTAT_MASK |
||
1017 | |||
1018 | test [MIIControl], MIICTL_INUSE |
||
1019 | jz @f |
||
1020 | mov [MIIControl], MIICTL_INUSE |
||
1021 | |||
1022 | mov esi, NV_MIIBUSY_DELAY |
||
1023 | call Sleep |
||
1024 | @@: |
||
1025 | |||
1026 | shl edx, MIICTL_ADDRSHIFT |
||
1027 | or edx, eax |
||
1028 | |||
1029 | cmp ecx, MII_READ |
||
1030 | je @f |
||
1031 | |||
1032 | mov [MIIData], ecx |
||
1033 | or edx, MIICTL_WRITE |
||
1034 | @@: |
||
1035 | mov [MIIControl], edx |
||
1036 | |||
1037 | stdcall reg_delay, MIIControl-edi, MIICTL_INUSE, 0, NV_MIIPHY_DELAY, NV_MIIPHY_DELAYMAX, 0 |
||
1038 | |||
1039 | test eax, eax |
||
1040 | jz @f |
||
1041 | DEBUGF 1,"mii_rw timed out.\n" |
||
1042 | or eax, -1 |
||
1043 | jmp .return |
||
1044 | @@: |
||
1045 | |||
1046 | cmp ecx, MII_READ |
||
1047 | je @f |
||
1048 | ; it was a write operation - fewer failures are detectable |
||
1049 | DEBUGF 1,"mii_rw write: ok\n" |
||
1050 | xor eax, eax |
||
1051 | jmp .return |
||
1052 | @@: |
||
1053 | |||
1054 | mov eax, [MIIStatus] |
||
1055 | test eax, MIISTAT_ERROR |
||
1056 | jz @f |
||
1057 | DEBUGF 1,"mii read: failed.\n" |
||
1058 | or eax, -1 |
||
1059 | jmp .return |
||
1060 | @@: |
||
1061 | |||
1062 | mov eax, [MIIData] |
||
1063 | DEBUGF 1,"mii read: 0x%x.\n", eax |
||
1064 | |||
1065 | .return: |
||
1066 | pop edx |
||
1067 | ret |
||
1068 | |||
1069 | |||
1070 | |||
1071 | |||
1072 | |||
1073 | ; Input: offset:word, mask:dword, target:dword, delay:word, delaymax:word, msg:dword |
||
1074 | ; Output: EAX - 0|1 |
||
1075 | |||
1076 | proc reg_delay, offset:dword, mask:dword, target:dword, delay:dword, delaymax:dword, msg:dword |
||
1077 | |||
1078 | ; DEBUGF 1,"reg_delay\n" |
||
1079 | |||
1080 | push esi |
||
1081 | call pci_push |
||
1082 | |||
1083 | .loop: |
||
1084 | mov esi, [delay] |
||
1085 | call Sleep |
||
1086 | mov eax, [delaymax] |
||
1087 | sub eax, [delay] |
||
1088 | mov [delaymax], eax |
||
1089 | |||
1090 | cmp eax, 0 |
||
1091 | jl .fail |
||
1092 | |||
1093 | mov eax, [offset] |
||
1094 | mov eax, [edi + eax] |
||
1095 | and eax, [mask] |
||
1096 | cmp eax, [target] |
||
1097 | jne .loop |
||
1098 | |||
1099 | pop esi |
||
1100 | xor eax, eax |
||
1101 | ret |
||
1102 | |||
1103 | .fail: |
||
1104 | pop esi |
||
1105 | xor eax, eax |
||
1106 | inc eax |
||
1107 | ret |
||
1108 | |||
1109 | endp |
||
1110 | |||
1111 | |||
1112 | |||
1113 | |||
1114 | |||
1115 | ; Input: none |
||
1116 | ; Output: EAX - result (0 = OK, other = error) |
||
1117 | phy_init: |
||
1118 | |||
1119 | push ebx ecx |
||
1120 | |||
1121 | ; set advertise register |
||
1122 | mov edx, [device.phyaddr] |
||
1123 | mov eax, MII_ADVERTISE |
||
1124 | mov ecx, MII_READ |
||
1125 | call mii_rw |
||
1126 | |||
1127 | or eax, (ADVERTISE_10HALF or ADVERTISE_10FULL or ADVERTISE_100HALF or ADVERTISE_100FULL or 0x800 or 0x400) |
||
1128 | |||
1129 | mov ecx, eax |
||
1130 | mov eax, MII_ADVERTISE |
||
1131 | call mii_rw |
||
1132 | |||
1133 | test eax, eax |
||
1134 | jz @f |
||
1135 | |||
1136 | DEBUGF 1,"phy write to advertise failed.\n" |
||
1137 | |||
1138 | mov eax, PHY_ERROR |
||
1139 | jmp .return |
||
1140 | @@: |
||
1141 | |||
1142 | ; get phy interface type |
||
1143 | mov edi, [device.mmio_addr] |
||
1144 | mov eax, [PhyInterface] |
||
1145 | DEBUGF 1,"phy interface type = 0x%x\n", eax:8 |
||
1146 | |||
1147 | ; see if gigabit phy |
||
1148 | mov eax, MII_BMSR |
||
1149 | mov ecx, MII_READ |
||
1150 | call mii_rw |
||
1151 | |||
1152 | test eax, PHY_GIGABIT |
||
1153 | jnz .gigabit |
||
1154 | mov [device.gigabit], 0 |
||
1155 | jmp .next_if |
||
1156 | |||
1157 | .gigabit: |
||
1158 | mov [device.gigabit], PHY_GIGABIT |
||
1159 | |||
1160 | mov eax, MII_1000BT_CR |
||
1161 | mov ecx, MII_READ |
||
1162 | call mii_rw |
||
1163 | |||
1164 | and eax, (not ADVERTISE_1000HALF) |
||
1165 | |||
1166 | test [PhyInterface], PHY_RGMII |
||
1167 | jz @f |
||
1168 | or eax, ADVERTISE_1000FULL |
||
1169 | jmp .next |
||
1170 | @@: |
||
1171 | |||
1172 | and eax, (not ADVERTISE_1000FULL) |
||
1173 | |||
1174 | .next: |
||
1175 | mov ecx, eax |
||
1176 | mov eax, MII_1000BT_CR |
||
1177 | call mii_rw |
||
1178 | |||
1179 | test eax, eax |
||
1180 | jz .next_if |
||
1181 | |||
1182 | DEBUGF 1,"phy init failed.\n" |
||
1183 | |||
1184 | mov eax, PHY_ERROR |
||
1185 | jmp .return |
||
1186 | |||
1187 | .next_if: |
||
1188 | |||
1189 | call phy_reset |
||
1190 | test eax, eax |
||
1191 | jz @f |
||
1192 | |||
1193 | DEBUGF 1,"phy reset failed.\n" |
||
1194 | |||
1195 | mov eax, PHY_ERROR |
||
1196 | jmp .return |
||
1197 | @@: |
||
1198 | |||
1199 | ; phy vendor specific configuration |
||
1200 | cmp [device.phy_oui], PHY_OUI_CICADA |
||
1201 | jne .next_if2 |
||
1202 | test [PhyInterface], PHY_RGMII |
||
1203 | jz .next_if2 |
||
1204 | |||
1205 | mov eax, MII_RESV1 |
||
1206 | mov ecx, MII_READ |
||
1207 | call mii_rw |
||
1208 | |||
1209 | and eax, (not (PHY_INIT1 or PHY_INIT2)) |
||
1210 | or eax, (PHY_INIT3 or PHY_INIT4) |
||
1211 | mov ecx, eax |
||
1212 | mov eax, MII_RESV1 |
||
1213 | call mii_rw |
||
1214 | |||
1215 | test eax, eax |
||
1216 | jz @f |
||
1217 | |||
1218 | DEBUGF 1,"phy init failed.\n" |
||
1219 | |||
1220 | mov eax, PHY_ERROR |
||
1221 | jmp .return |
||
1222 | @@: |
||
1223 | |||
1224 | mov eax, MII_NCONFIG |
||
1225 | mov ecx, MII_READ |
||
1226 | call mii_rw |
||
1227 | |||
1228 | or eax, PHY_INIT5 |
||
1229 | mov ecx, eax |
||
1230 | mov eax, MII_NCONFIG |
||
1231 | call mii_rw |
||
1232 | test eax, eax |
||
1233 | jz .next_if2 |
||
1234 | |||
1235 | DEBUGF 1,"phy init failed.\n" |
||
1236 | |||
1237 | mov eax, PHY_ERROR |
||
1238 | jmp .return |
||
1239 | |||
1240 | |||
1241 | |||
1242 | .next_if2: |
||
1243 | |||
1244 | cmp [device.phy_oui], PHY_OUI_CICADA |
||
1245 | jne .restart |
||
1246 | |||
1247 | mov eax, MII_SREVISION |
||
1248 | mov ecx, MII_READ |
||
1249 | call mii_rw |
||
1250 | |||
1251 | or eax, PHY_INIT6 |
||
1252 | mov ecx, eax |
||
1253 | mov eax, MII_SREVISION |
||
1254 | call mii_rw |
||
1255 | test eax, eax |
||
1256 | jz .restart |
||
1257 | |||
1258 | DEBUGF 1,"phy init failed.\n" |
||
1259 | |||
1260 | jmp .return |
||
1261 | |||
1262 | .restart: |
||
1263 | ; restart auto negotiation |
||
1264 | |||
1265 | mov eax, MII_BMCR |
||
1266 | mov ecx, MII_READ |
||
1267 | call mii_rw |
||
1268 | |||
1269 | or eax, (BMCR_ANRESTART or BMCR_ANENABLE) |
||
1270 | mov ecx, eax |
||
1271 | mov eax, MII_BMCR |
||
1272 | call mii_rw |
||
1273 | test eax, eax |
||
1274 | jz .ok |
||
1275 | |||
1276 | mov eax, PHY_ERROR |
||
1277 | jmp .return |
||
1278 | |||
1279 | .ok: |
||
1280 | xor eax, eax |
||
1281 | .return: |
||
1282 | pop ecx ebx |
||
1283 | |||
1284 | ret |
||
1285 | |||
1286 | |||
1287 | ; Input: none |
||
1288 | ; Output: EAX - result (0 = OK, other = error) |
||
1289 | phy_reset: |
||
1290 | |||
1291 | DEBUGF 1,"phy_reset\n" |
||
1292 | |||
1293 | push ebx ecx edx |
||
1294 | |||
1295 | mov edx, [device.phyaddr] |
||
1296 | mov eax, MII_BMCR |
||
1297 | mov ecx, MII_READ |
||
1298 | call mii_rw |
||
1299 | |||
1300 | or eax, BMCR_RESET |
||
1301 | push eax |
||
1302 | mov ecx, eax |
||
1303 | mov eax, MII_BMCR |
||
1304 | call mii_rw |
||
1305 | |||
1306 | test eax, eax |
||
1307 | jz @f |
||
1308 | |||
1309 | pop eax |
||
1310 | mov eax, 0xffffffff |
||
1311 | jmp .return |
||
1312 | @@: |
||
1313 | |||
1314 | pop eax |
||
1315 | |||
1316 | mov esi, 500 |
||
1317 | call Sleep |
||
1318 | |||
1319 | ; must wait till reset is deasserted |
||
1320 | mov esi, 100 ; FIXME: 100 tries seem excessive |
||
1321 | .while_loop: |
||
1322 | test eax, BMCR_RESET |
||
1323 | jz .while_loop_exit |
||
1324 | |||
1325 | push esi |
||
1326 | mov esi, 10 |
||
1327 | call Sleep |
||
1328 | pop esi |
||
1329 | |||
1330 | mov eax, MII_BMCR |
||
1331 | mov ecx, MII_READ |
||
1332 | call mii_rw |
||
1333 | |||
1334 | dec esi |
||
1335 | jnz .while_loop |
||
1336 | |||
1337 | mov eax, 0xffffffff |
||
1338 | jmp .return |
||
1339 | |||
1340 | .while_loop_exit: |
||
1341 | xor eax, eax |
||
1342 | .return: |
||
1343 | pop edx ecx ebx |
||
1344 | |||
1345 | ret |
||
1346 | |||
1347 | |||
1348 | align 4 |
||
1349 | pci_push: |
||
1350 | |||
1351 | push eax |
||
1352 | mov eax, [edi] |
||
1353 | pop eax |
||
1354 | |||
1355 | ret |
||
1356 | |||
1357 | |||
1358 | |||
1359 | |||
1360 | align 4 |
||
1361 | mac_reset: |
||
1362 | |||
1363 | push esi edi |
||
1364 | |||
1365 | DEBUGF 1,"mac_reset.\n" |
||
1366 | |||
1367 | mov edi, [device.mmio_addr] |
||
1368 | mov eax, [device.desc_ver] |
||
1369 | or eax, (TXRXCTL_BIT2 or TXRXCTL_RESET) |
||
1370 | mov [TxRxControl], eax |
||
1371 | call pci_push |
||
1372 | |||
1373 | mov [MacReset], MAC_RESET_ASSERT |
||
1374 | call pci_push |
||
1375 | |||
1376 | mov esi, NV_MAC_RESET_DELAY |
||
1377 | call Sleep |
||
1378 | |||
1379 | mov [MacReset], 0 |
||
1380 | call pci_push |
||
1381 | |||
1382 | mov esi, NV_MAC_RESET_DELAY |
||
1383 | call Sleep |
||
1384 | |||
1385 | mov eax, [device.desc_ver] |
||
1386 | or eax, TXRXCTL_BIT2 |
||
1387 | mov [TxRxControl], eax |
||
1388 | call pci_push |
||
1389 | |||
1390 | pop edi esi |
||
1391 | |||
1392 | ret |
||
1393 | |||
1394 | |||
1395 | |||
1396 | |||
1397 | |||
1398 | align 4 |
||
1399 | init_ring: |
||
1400 | |||
1401 | DEBUGF 1,"init rings\n" |
||
1402 | push eax esi ecx |
||
1403 | |||
1404 | mov [device.next_tx], 0 |
||
1405 | |||
1406 | mov ecx, TX_RING |
||
1407 | lea esi, [device.tx_ring] |
||
1408 | .tx_loop: |
||
1409 | mov [esi + TxDesc.FlagLen], 0 |
||
1410 | add esi, sizeof.TxDesc |
||
1411 | dec ecx |
||
1412 | jnz .tx_loop |
||
1413 | |||
1414 | mov [device.cur_rx], 0 |
||
1415 | |||
1416 | mov ecx, RX_RING |
||
1417 | lea esi, [device.rx_ring] |
||
1418 | .rx_loop: |
||
1419 | push ecx esi |
||
1420 | stdcall KernelAlloc, 4096 shl RBLEN ; push/pop esi not needed, but just in case... |
||
1421 | pop esi |
||
1422 | mov [esi + RX_RING*sizeof.RxDesc], eax |
||
1423 | GetRealAddr |
||
1424 | mov [esi + RxDesc.PacketBuffer], eax |
||
1425 | mov [esi + RxDesc.FlagLen], (4096 shl RBLEN or NV_RX_AVAIL) |
||
1426 | add esi, sizeof.RxDesc |
||
1427 | pop ecx |
||
1428 | dec ecx |
||
1429 | jnz .rx_loop |
||
1430 | |||
1431 | pop ecx esi eax |
||
1432 | |||
1433 | ret |
||
1434 | |||
1435 | |||
1436 | |||
1437 | |||
1438 | |||
1439 | ; Input: none |
||
1440 | ; Output: none |
||
1441 | align 4 |
||
1442 | txrx_reset: |
||
1443 | |||
1444 | push eax esi |
||
1445 | |||
1446 | DEBUGF 1,"txrx_reset\n" |
||
1447 | |||
1448 | mov edi, [device.mmio_addr] |
||
1449 | mov eax, [device.desc_ver] |
||
1450 | or eax, (TXRXCTL_BIT2 or TXRXCTL_RESET) |
||
1451 | mov [TxRxControl], eax |
||
1452 | call pci_push |
||
1453 | |||
1454 | mov esi, NV_TXRX_RESET_DELAY |
||
1455 | call Sleep |
||
1456 | |||
1457 | mov eax, [device.desc_ver] |
||
1458 | or eax, TXRXCTL_BIT2 |
||
1459 | mov [TxRxControl], eax |
||
1460 | call pci_push |
||
1461 | |||
1462 | pop esi eax |
||
1463 | |||
1464 | ret |
||
1465 | |||
1466 | |||
1467 | |||
1468 | |||
1469 | |||
1470 | ; Input: none |
||
1471 | ; Output: none |
||
1472 | set_multicast: |
||
1473 | |||
1474 | ; u32 addr[2]; |
||
1475 | ; u32 mask[2]; |
||
1476 | ; u32 pff; |
||
1477 | ; u32 alwaysOff[2]; |
||
1478 | ; u32 alwaysOn[2]; |
||
1479 | ; |
||
1480 | ; memset(addr, 0, sizeof(addr)); |
||
1481 | ; memset(mask, 0, sizeof(mask)); |
||
1482 | ; |
||
1483 | ; pff = PFF_MYADDR; |
||
1484 | ; |
||
1485 | ; alwaysOn[0] = alwaysOn[1] = alwaysOff[0] = alwaysOff[1] = 0; |
||
1486 | ; |
||
1487 | ; addr[0] = alwaysOn[0]; |
||
1488 | ; addr[1] = alwaysOn[1]; |
||
1489 | ; mask[0] = alwaysOn[0] | alwaysOff[0]; |
||
1490 | ; mask[1] = alwaysOn[1] | alwaysOff[1]; |
||
1491 | ; |
||
1492 | ; addr[0] |= MCASTADDRA_FORCE; |
||
1493 | ; pff |= PFF_ALWAYS; |
||
1494 | |||
1495 | call stop_rx |
||
1496 | |||
1497 | mov edi, [device.mmio_addr] |
||
1498 | mov [MulticastAddrA], MCASTADDRA_FORCE |
||
1499 | |||
1500 | mov [MulticastAddrB], 0 |
||
1501 | mov [MulticastMaskA], 0 |
||
1502 | mov [MulticastMaskB], 0 |
||
1503 | mov [PacketFilterFlags], (PFF_MYADDR or PFF_ALWAYS) |
||
1504 | |||
1505 | call start_rx |
||
1506 | |||
1507 | ret |
||
1508 | |||
1509 | |||
1510 | |||
1511 | |||
1512 | |||
1513 | ; Input: none |
||
1514 | ; Output: none |
||
1515 | start_rx: |
||
1516 | |||
1517 | push edi |
||
1518 | |||
1519 | DEBUGF 1,"start_rx\n" |
||
1520 | |||
1521 | ; Already running? Stop it. |
||
1522 | mov edi, [device.mmio_addr] |
||
1523 | mov eax, [ReceiverControl] |
||
1524 | test eax, RCVCTL_START |
||
1525 | jz @f |
||
1526 | mov [ReceiverControl], 0 |
||
1527 | call pci_push |
||
1528 | @@: |
||
1529 | |||
1530 | mov eax, [device.linkspeed] |
||
1531 | mov [LinkSpeed], eax |
||
1532 | call pci_push |
||
1533 | |||
1534 | mov [ReceiverControl], RCVCTL_START |
||
1535 | call pci_push |
||
1536 | |||
1537 | pop edi |
||
1538 | |||
1539 | ret |
||
1540 | |||
1541 | |||
1542 | |||
1543 | |||
1544 | ; Input: none |
||
1545 | ; Output: none |
||
1546 | stop_rx: |
||
1547 | |||
1548 | push esi edi |
||
1549 | |||
1550 | DEBUGF 1,"stop_rx.\n" |
||
1551 | |||
1552 | mov edi, [device.mmio_addr] |
||
1553 | mov [ReceiverControl], 0 |
||
1554 | |||
1555 | push ebx edx edi |
||
1556 | stdcall reg_delay, ReceiverStatus-edi, RCVSTAT_BUSY, 0, NV_RXSTOP_DELAY1, NV_RXSTOP_DELAY1MAX, 0 |
||
1557 | pop edi edx ebx |
||
1558 | |||
1559 | mov esi, NV_RXSTOP_DELAY2 |
||
1560 | call Sleep |
||
1561 | |||
1562 | mov [LinkSpeed], 0 |
||
1563 | |||
1564 | pop edi esi |
||
1565 | |||
1566 | ret |
||
1567 | |||
1568 | |||
1569 | |||
1570 | |||
1571 | ; Input: none |
||
1572 | ; Output: EAX |
||
1573 | update_linkspeed: |
||
1574 | |||
1575 | DEBUGF 1,"update linkspeed\n" |
||
1576 | |||
1577 | ; BMSR_LSTATUS is latched, read it twice: we want the current value. |
||
1578 | |||
1579 | mov edx, [device.phyaddr] |
||
1580 | mov eax, MII_BMSR |
||
1581 | mov ecx, MII_READ |
||
1582 | call mii_rw |
||
1583 | |||
1584 | mov eax, MII_BMSR |
||
1585 | mov ecx, MII_READ |
||
1586 | call mii_rw |
||
1587 | |||
1588 | test eax, BMSR_LSTATUS ; Link up? |
||
1589 | jz .10mbit_hd |
||
1590 | |||
1591 | test eax, BMSR_ANEGCOMPLETE ; still in autonegotiation? |
||
1592 | jz .10mbit_hd |
||
1593 | |||
1594 | cmp [device.gigabit], PHY_GIGABIT |
||
1595 | jne .no_gigabit |
||
1596 | |||
1597 | ;mov edx, [device.phyaddr] |
||
1598 | mov eax, MII_1000BT_CR |
||
1599 | mov ecx, MII_READ |
||
1600 | call mii_rw |
||
1601 | push eax |
||
1602 | |||
1603 | ;mov edx, [device.phyaddr] |
||
1604 | mov eax, MII_1000BT_SR |
||
1605 | mov ecx, MII_READ |
||
1606 | call mii_rw |
||
1607 | pop ecx |
||
1608 | |||
1609 | test eax, LPA_1000FULL |
||
1610 | jz .no_gigabit |
||
1611 | test ecx, ADVERTISE_1000FULL |
||
1612 | jz .no_gigabit |
||
1613 | |||
1614 | DEBUGF 1,"update_linkspeed: GBit ethernet detected.\n" |
||
1615 | mov ecx, (LINKSPEED_FORCE or LINKSPEED_1000) |
||
1616 | xor eax, eax |
||
1617 | inc eax |
||
1618 | jmp set_speed |
||
1619 | .no_gigabit: |
||
1620 | |||
1621 | ;mov edx, [device.phyaddr] |
||
1622 | mov eax, MII_ADVERTISE |
||
1623 | mov ecx, MII_READ |
||
1624 | call mii_rw ; adv = eax |
||
1625 | push eax |
||
1626 | |||
1627 | ;mov edx, [device.phyaddr] |
||
1628 | mov eax, MII_LPA |
||
1629 | mov ecx, MII_READ |
||
1630 | call mii_rw ; lpa = eax |
||
1631 | pop ecx |
||
1632 | |||
1633 | DEBUGF 1,"PHY advertises 0x%x, lpa 0x%x\n", ecx, eax |
||
1634 | and eax, ecx ; FIXME: handle parallel detection properly, handle gigabit ethernet |
||
1635 | |||
1636 | test eax, LPA_100FULL |
||
1637 | jz @f |
||
1638 | DEBUGF 1,"update_linkspeed: 100 mbit full duplex\n" |
||
1639 | mov ecx, (LINKSPEED_FORCE or LINKSPEED_100) |
||
1640 | xor eax, eax |
||
1641 | inc eax |
||
1642 | jmp set_speed |
||
1643 | @@: |
||
1644 | |||
1645 | test eax, LPA_100HALF |
||
1646 | jz @f |
||
1647 | DEBUGF 1,"update_linkspeed: 100 mbit half duplex\n" |
||
1648 | mov ecx, (LINKSPEED_FORCE or LINKSPEED_100) |
||
1649 | xor eax, eax |
||
1650 | jmp set_speed |
||
1651 | @@: |
||
1652 | |||
1653 | test eax, LPA_10FULL |
||
1654 | jz @f |
||
1655 | DEBUGF 1,"update_linkspeed: 10 mbit full duplex\n" |
||
1656 | mov ecx, (LINKSPEED_FORCE or LINKSPEED_10) |
||
1657 | xor eax, eax |
||
1658 | inc eax |
||
1659 | jmp set_speed |
||
1660 | @@: |
||
1661 | |||
1662 | .10mbit_hd: |
||
1663 | DEBUGF 1,"update_linkspeed: 10 mbit half duplex\n" |
||
1664 | mov ecx, (LINKSPEED_FORCE or LINKSPEED_10) |
||
1665 | xor eax, eax |
||
1666 | jmp set_speed |
||
1667 | |||
1668 | |||
1669 | align 4 |
||
1670 | set_speed: |
||
1671 | |||
1672 | cmp eax, [device.duplex] |
||
1673 | jne .update |
||
1674 | cmp ecx, [device.linkspeed] |
||
1675 | jne .update |
||
1676 | |||
1677 | ret |
||
1678 | |||
1679 | .update: |
||
1680 | DEBUGF 1,"update_linkspeed: changing link to 0x%x/XD.\n", ecx |
||
1681 | |||
1682 | mov [device.duplex], eax |
||
1683 | mov [device.linkspeed], ecx |
||
1684 | |||
1685 | cmp [device.gigabit], PHY_GIGABIT |
||
1686 | jne .no_gigabit |
||
1687 | |||
1688 | mov edi, [device.mmio_addr] |
||
1689 | mov eax, [RandomSeed] |
||
1690 | |||
1691 | and eax, not (0x3FF00) |
||
1692 | mov ecx, eax ; phyreg = ecx |
||
1693 | |||
1694 | mov eax, [device.linkspeed] |
||
1695 | and eax, 0xFFF |
||
1696 | cmp eax, LINKSPEED_10 |
||
1697 | jne @f |
||
1698 | or ecx, RNDSEED_FORCE3 |
||
1699 | jmp .end_if4 |
||
1700 | @@: |
||
1701 | |||
1702 | cmp eax, LINKSPEED_100 |
||
1703 | jne @f |
||
1704 | or ecx, RNDSEED_FORCE2 |
||
1705 | jmp .end_if4 |
||
1706 | @@: |
||
1707 | |||
1708 | cmp eax, LINKSPEED_1000 |
||
1709 | jne .end_if4 |
||
1710 | or ecx, RNDSEED_FORCE |
||
1711 | .end_if4: |
||
1712 | mov [RandomSeed], ecx |
||
1713 | .no_gigabit: |
||
1714 | |||
1715 | mov ecx, [PhyInterface] |
||
1716 | and ecx, not (PHY_HALF or PHY_100 or PHY_1000) |
||
1717 | |||
1718 | cmp [device.duplex], 0 |
||
1719 | jne @f |
||
1720 | or ecx, PHY_HALF |
||
1721 | @@: |
||
1722 | |||
1723 | mov eax, [device.linkspeed] |
||
1724 | and eax, 0xFFF |
||
1725 | cmp eax, LINKSPEED_100 |
||
1726 | jne @f |
||
1727 | or ecx, PHY_100 |
||
1728 | jmp .end_if5 |
||
1729 | @@: |
||
1730 | |||
1731 | cmp eax, LINKSPEED_1000 |
||
1732 | jne .end_if5 |
||
1733 | or ecx, PHY_1000 |
||
1734 | |||
1735 | .end_if5: |
||
1736 | mov [PhyInterface], ecx |
||
1737 | |||
1738 | cmp [device.duplex], 0 |
||
1739 | je @f |
||
1740 | xor ecx, ecx |
||
1741 | jmp .next |
||
1742 | @@: |
||
1743 | |||
1744 | mov ecx, MISC1_HD |
||
1745 | .next: |
||
1746 | or ecx, MISC1_FORCE |
||
1747 | mov [Misc1], ecx |
||
1748 | |||
1749 | call pci_push |
||
1750 | |||
1751 | mov eax, [device.linkspeed] |
||
1752 | mov [LinkSpeed], eax |
||
1753 | |||
1754 | call pci_push |
||
1755 | |||
1756 | ret |
||
1757 | |||
1758 | |||
1759 | |||
1760 | |||
1761 | |||
1762 | |||
1763 | align 4 |
||
1764 | read_mac: |
||
1765 | |||
1766 | mov edi, [device.mmio_addr] |
||
1767 | |||
1768 | mov eax, [MacAddrA] |
||
1769 | mov ecx, [MacAddrB] |
||
1770 | |||
1771 | mov dword [device.mac], eax |
||
1772 | mov word [device.mac + 4], cx |
||
1773 | |||
1774 | cmp [device.device_id], 0x03E5 |
||
1775 | jae @f |
||
1776 | bswap eax |
||
1777 | xchg cl, ch |
||
1778 | mov dword [device.mac + 2], eax |
||
1779 | mov word [device.mac], cx |
||
1780 | @@: |
||
1781 | |||
1782 | DEBUGF 1,"MAC = %x-%x-%x-%x-%x-%x\n", \ |
||
1783 | [device.mac+0]:2,[device.mac+1]:2,[device.mac+2]:2,[device.mac+3]:2,[device.mac+4]:2,[device.mac+5]:2 |
||
1784 | |||
1785 | ret |
||
1786 | |||
1787 | |||
1788 | |||
1789 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
1790 | ;; ;; |
||
1791 | ;; Transmit ;; |
||
1792 | ;; ;; |
||
1793 | ;; In: buffer pointer in [esp+4] ;; |
||
1794 | ;; size of buffer in [esp+8] ;; |
||
1795 | ;; pointer to device structure in ebx ;; |
||
1796 | ;; ;; |
||
1797 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
1798 | align 4 |
||
1799 | transmit: |
||
1800 | DEBUGF 2,"\nTransmitting packet, buffer:%x, size:%u\n", [esp+4], [esp+8] |
||
1801 | mov eax, [esp+4] |
||
1802 | DEBUGF 2,"To: %x-%x-%x-%x-%x-%x From: %x-%x-%x-%x-%x-%x Type:%x%x\n",\ |
||
1803 | [eax+00]:2,[eax+01]:2,[eax+02]:2,[eax+03]:2,[eax+04]:2,[eax+05]:2,\ |
||
1804 | [eax+06]:2,[eax+07]:2,[eax+08]:2,[eax+09]:2,[eax+10]:2,[eax+11]:2,\ |
||
1805 | [eax+13]:2,[eax+12]:2 |
||
1806 | |||
1807 | cmp dword [esp + 8], 1514 |
||
1808 | ja .fail |
||
1809 | cmp dword [esp + 8], 60 |
||
1810 | jb .fail |
||
1811 | |||
1812 | ; get the descriptor address |
||
1813 | mov eax, [device.next_tx] |
||
1814 | mov cl, sizeof.TxDesc |
||
1815 | mul cl |
||
1816 | lea esi, [device.tx_ring + eax] |
||
1817 | mov eax, [esp + 4] |
||
1818 | mov [esi + TX_RING*sizeof.TxDesc], eax |
||
1819 | GetRealAddr |
||
1820 | mov [esi + TxDesc.PacketBuffer], eax |
||
1821 | |||
1822 | mov ecx, [esp + 8] |
||
1823 | or ecx, [device.txflags] |
||
1824 | mov [esi + TxDesc.FlagLen], eax |
||
1825 | |||
1826 | mov edi, [device.mmio_addr] |
||
1827 | mov eax, [device.desc_ver] |
||
1828 | or eax, TXRXCTL_KICK |
||
1829 | mov [TxRxControl], eax |
||
1830 | |||
1831 | call pci_push |
||
1832 | |||
1833 | inc [device.next_tx] |
||
1834 | and [device.next_tx], (TX_RING-1) |
||
1835 | |||
1836 | ; Update stats |
||
1837 | inc [device.packets_tx] |
||
1838 | mov eax, [esp + 8] |
||
1839 | add dword [device.bytes_tx], eax |
||
1840 | adc dword [device.bytes_tx + 4], 0 |
||
1841 | |||
1842 | xor eax, eax |
||
1843 | ret 8 |
||
1844 | |||
1845 | .fail: |
||
1846 | xor eax, eax |
||
1847 | inc eax |
||
1848 | ret 8 |
||
1849 | |||
1850 | |||
1851 | |||
1852 | |||
1853 | |||
1854 | |||
1855 | ; Interrupt handler |
||
1856 | align 4 |
||
1857 | int_handler: |
||
1858 | |||
1859 | push ebx esi edi |
||
1860 | |||
1861 | DEBUGF 2,"\n%s INT\n", my_service |
||
1862 | |||
1863 | ;------------------------------------------- |
||
1864 | ; Find pointer of device wich made IRQ occur |
||
1865 | |||
1866 | mov esi, device_list |
||
1867 | mov ecx, [devices] |
||
1868 | test ecx, ecx |
||
1869 | jz .fail |
||
1870 | .nextdevice: |
||
1871 | mov ebx, dword [esi] |
||
1872 | add esi, 4 |
||
1873 | |||
1874 | mov edi, [device.mmio_addr] |
||
1875 | mov eax, [IrqStatus] |
||
1876 | test eax, eax |
||
1877 | jnz .got_it |
||
1878 | dec ecx |
||
1879 | jnz .nextdevice |
||
1880 | .nothing: |
||
1881 | pop edi esi ebx |
||
1882 | xor eax, eax |
||
1883 | |||
1884 | ret |
||
1885 | |||
1886 | .got_it: |
||
1887 | mov [IrqStatus], eax |
||
1888 | DEBUGF 2,"IrqStatus = %x\n", eax |
||
1889 | |||
1890 | test eax, IRQ_RX |
||
1891 | jz .no_rx |
||
1892 | |||
1893 | .top: |
||
1894 | mov eax, [device.cur_rx] |
||
1895 | mov cx, sizeof.RxDesc |
||
1896 | mul cx |
||
1897 | lea esi, [device.rx_ring + eax] |
||
1898 | mov eax, [esi + RxDesc.FlagLen] |
||
1899 | |||
1900 | test eax, NV_RX_AVAIL ; still owned by hardware |
||
1901 | jnz .return0 |
||
1902 | |||
1903 | cmp [device.desc_ver], DESC_VER_1 |
||
1904 | jne @f |
||
1905 | test eax, NV_RX_DESCRIPTORVALID |
||
1906 | jz .return0 |
||
1907 | jmp .next |
||
1908 | @@: |
||
1909 | test eax, NV_RX2_DESCRIPTORVALID |
||
1910 | jz .return0 |
||
1911 | |||
1912 | .next: |
||
1913 | |||
1914 | cmp dword [device.desc_ver], DESC_VER_1 |
||
1915 | jne @f |
||
1916 | and eax, LEN_MASK_V1 |
||
1917 | jmp .next2 |
||
1918 | @@: |
||
1919 | and eax, LEN_MASK_V2 |
||
1920 | .next2: |
||
1921 | |||
1922 | ; got a valid packet - forward it to the network core |
||
1923 | push .top |
||
1924 | push eax |
||
1925 | push dword [esi + RX_RING*sizeof.RxDesc] |
||
1926 | |||
1927 | inc [device.cur_rx] |
||
1928 | and [device.cur_rx], (RX_RING-1) |
||
1929 | |||
1930 | ; Allocate new buffer |
||
1931 | |||
1932 | stdcall KernelAlloc, 4096 shl RBLEN |
||
1933 | mov [esi + RX_RING*sizeof.RxDesc], eax |
||
1934 | GetRealAddr |
||
1935 | mov [esi + RxDesc.PacketBuffer], eax |
||
1936 | mov [esi + RxDesc.FlagLen], (4096 shl RBLEN or NV_RX_AVAIL) |
||
1937 | |||
1938 | jmp Eth_input |
||
1939 | |||
1940 | .return0: |
||
1941 | |||
1942 | |||
1943 | .no_rx: |
||
1944 | test eax, IRQ_RX_ERROR |
||
1945 | jz .no_rx_err |
||
1946 | |||
1947 | push eax |
||
1948 | DEBUGF 2,"RX error!\n" |
||
1949 | |||
1950 | mov eax, [device.cur_rx] |
||
1951 | mov cx, sizeof.RxDesc |
||
1952 | mul cx |
||
1953 | lea esi, [device.rx_ring + eax] |
||
1954 | mov eax, [esi + RxDesc.FlagLen] |
||
1955 | |||
1956 | DEBUGF 2,"Flaglen=%x\n", eax |
||
1957 | |||
1958 | ; TODO: allocate new buff |
||
1959 | pop eax |
||
1960 | |||
1961 | .no_rx_err: |
||
1962 | test eax, IRQ_LINK |
||
1963 | jz .no_link |
||
1964 | |||
1965 | push eax |
||
1966 | call update_linkspeed |
||
1967 | pop eax |
||
1968 | |||
1969 | .no_link: |
||
1970 | .fail: |
||
1971 | |||
1972 | pop edi esi ebx |
||
1973 | xor eax, eax |
||
1974 | inc eax |
||
1975 | |||
1976 | ret |
||
1977 | |||
1978 | |||
1979 | |||
1980 | |||
1981 | ; End of code |
||
1982 | |||
1983 | section '.data' data readable writable align 16 ; place all uninitialized data place here |
||
1984 | align 4 ; Place all initialised data here |
||
1985 | |||
1986 | devices dd 0 |
||
1987 | version dd (DRIVER_VERSION shl 16) or (API_VERSION and 0xFFFF) |
||
1988 | my_service db 'FORCEDETH',0 ; max 16 chars include zero |
||
1989 | |||
1990 | include_debug_strings ; All data wich FDO uses will be included here |
||
1991 | |||
1992 | device_list rd MAX_DEVICES ; This list contains all pointers to device structures the driver is handling |