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Rev | Author | Line No. | Line |
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1159 | hidnplayr | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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3 | ;; Copyright (C) KolibriOS team 2004-2008. 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 | ;; Realtek 8139 driver for KolibriOS ;; |
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7 | ;; ;; |
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8 | ;; Written by hidnplayr@kolibrios.org ;; |
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9 | ;; ;; |
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10 | ;; v0.1 - march 2009 ;; |
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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 equ 0x01000100 |
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20 | |||
21 | DEBUG equ 1 |
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22 | __DEBUG__ equ 1 |
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23 | __DEBUG_LEVEL__ equ 1 |
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24 | |||
25 | include 'proc32.inc' |
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26 | include 'imports.inc' |
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27 | include 'fdo.inc' |
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28 | |||
29 | OS_BASE equ 0; |
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30 | new_app_base equ 0x60400000 |
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31 | PROC_BASE equ OS_BASE+0x0080000 |
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32 | |||
33 | public START |
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34 | public service_proc |
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35 | public version |
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36 | |||
37 | struc IOCTL { |
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38 | .handle dd ? |
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39 | .io_code dd ? |
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40 | .input dd ? |
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41 | .inp_size dd ? |
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42 | .output dd ? |
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43 | .out_size dd ? |
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44 | } |
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45 | |||
46 | virtual at 0 |
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47 | IOCTL IOCTL |
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48 | end virtual |
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49 | |||
50 | struc ETH_DEVICE { |
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51 | ; pointers to procedures |
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52 | .unload dd ? |
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53 | .reset dd ? |
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54 | .transmit dd ? |
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55 | .set_MAC dd ? |
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56 | .get_MAC dd ? |
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57 | .set_mode dd ? |
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58 | .get_mode dd ? |
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59 | ; status & variables |
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60 | .bytes_tx dq ? |
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61 | .bytes_rx dq ? |
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62 | .packets_tx dd ? |
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63 | .packets_rx dd ? |
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64 | .mode dd ? ; This dword contains cable status (10mbit/100mbit, full/half duplex, auto negotiation or not,..) |
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65 | .name dd ? |
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66 | .mac dp ? |
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67 | ; device specific |
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68 | .rx_buffer dd ? |
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69 | .tx_buffer dd ? |
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70 | .rx_data_offset dd ? |
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71 | .io_addr dd ? |
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72 | .curr_tx_desc db ? |
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73 | .pci_bus db ? |
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74 | .pci_dev db ? |
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75 | .irq_line db ? |
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76 | .hw_ver_id db ? |
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77 | .size: |
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78 | |||
79 | } |
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80 | |||
81 | virtual at 0 |
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82 | device ETH_DEVICE |
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83 | end virtual |
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84 | |||
85 | ; PCI Bus defines |
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86 | |||
87 | PCI_HEADER_TYPE equ 0x0e ;8 bit |
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88 | PCI_BASE_ADDRESS_0 equ 0x10 ;32 bit |
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89 | PCI_BASE_ADDRESS_5 equ 0x24 ;32 bits |
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90 | PCI_BASE_ADDRESS_SPACE_IO equ 0x01 |
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91 | PCI_VENDOR_ID equ 0x00 ;16 bit |
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92 | PCI_BASE_ADDRESS_IO_MASK equ 0xFFFFFFFC |
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93 | |||
94 | ; RTL8139 specific defines |
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95 | |||
96 | MAX_RTL8139 equ 16 ; Max number of devices this driver may handle |
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97 | TX_TIMEOUT equ 30 ; 300 milliseconds timeout |
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98 | |||
99 | PCI_REG_CMD equ 0x04 ; command register |
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100 | PCI_BIT_PIO equ 0 ; bit0: io space control |
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101 | PCI_BIT_MMIO equ 1 ; bit1: memory space control |
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102 | PCI_BIT_MASTER equ 2 ; bit2: device acts as a PCI master |
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103 | |||
104 | REG_IDR0 equ 0x00 |
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105 | REG_MAR0 equ 0x08 ; multicast filter register 0 |
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106 | REG_MAR4 equ 0x0c ; multicast filter register 4 |
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107 | REG_TSD0 equ 0x10 ; transmit status of descriptor |
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108 | REG_TSAD0 equ 0x20 ; transmit start address of descriptor |
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109 | REG_RBSTART equ 0x30 ; RxBuffer start address |
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110 | REG_COMMAND equ 0x37 ; command register |
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111 | REG_CAPR equ 0x38 ; current address of packet read (word) R/W |
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112 | REG_IMR equ 0x3c ; interrupt mask register |
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113 | REG_ISR equ 0x3e ; interrupt status register |
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114 | REG_TXCONFIG equ 0x40 ; transmit configuration register |
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115 | REG_RXCONFIG equ 0x44 ; receive configuration register 0 |
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116 | REG_MPC equ 0x4c ; missed packet counter |
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117 | REG_9346CR equ 0x50 ; serial eeprom 93C46 command register |
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118 | REG_CONFIG1 equ 0x52 ; configuration register 1 |
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119 | REG_MSR equ 0x58 |
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120 | REG_CONFIG4 equ 0x5a ; configuration register 4 |
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121 | REG_HLTCLK equ 0x5b ; undocumented halt clock register |
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122 | REG_BMCR equ 0x62 ; basic mode control register |
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123 | REG_ANAR equ 0x66 ; auto negotiation advertisement register |
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124 | REG_9346CR_WE equ 11b SHL 6 |
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125 | |||
126 | BIT_RUNT equ 4 ; total packet length < 64 bytes |
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127 | BIT_LONG equ 3 ; total packet length > 4k |
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128 | BIT_CRC equ 2 ; crc error occured |
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129 | BIT_FAE equ 1 ; frame alignment error occured |
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130 | BIT_ROK equ 0 ; received packet is ok |
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131 | |||
132 | BIT_RST equ 4 ; reset bit |
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133 | BIT_RE equ 3 ; receiver enabled |
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134 | BIT_TE equ 2 ; transmitter enabled |
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135 | BUFE equ 1 ; rx buffer is empty, no packet stored |
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136 | |||
137 | BIT_ISR_TOK equ 2 ; transmit ok |
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138 | BIT_ISR_RER equ 1 ; receive error interrupt |
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139 | BIT_ISR_ROK equ 0 ; receive ok |
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140 | |||
141 | BIT_TX_MXDMA equ 8 ; Max DMA burst size per Tx DMA burst |
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142 | BIT_TXRR equ 4 ; Tx Retry count 16+(TXRR*16) |
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143 | |||
144 | BIT_RXFTH equ 13 ; Rx fifo threshold |
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145 | BIT_RBLEN equ 11 ; Ring buffer length indicator |
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146 | BIT_RX_MXDMA equ 8 ; Max DMA burst size per Rx DMA burst |
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147 | BIT_NOWRAP equ 7 ; transfered data wrapping |
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148 | BIT_9356SEL equ 6 ; eeprom selector 9346/9356 |
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149 | BIT_AER equ 5 ; accept error packets |
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150 | BIT_AR equ 4 ; accept runt packets |
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151 | BIT_AB equ 3 ; accept broadcast packets |
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152 | BIT_AM equ 2 ; accept multicast packets |
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153 | BIT_APM equ 1 ; accept physical match packets |
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154 | BIT_AAP equ 0 ; accept all packets |
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155 | |||
156 | BIT_93C46_EEM1 equ 7 ; RTL8139 eeprom operating mode1 |
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157 | BIT_93C46_EEM0 equ 6 ; RTL8139 eeprom operating mode0 |
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158 | BIT_93C46_EECS equ 3 ; chip select |
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159 | BIT_93C46_EESK equ 2 ; serial data clock |
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160 | BIT_93C46_EEDI equ 1 ; serial data input |
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161 | BIT_93C46_EEDO equ 0 ; serial data output |
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162 | |||
163 | BIT_LWACT equ 4 ; see REG_CONFIG1 |
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164 | BIT_SLEEP equ 1 ; sleep bit at older chips |
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165 | BIT_PWRDWN equ 0 ; power down bit at older chips |
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166 | BIT_PMEn equ 0 ; power management enabled |
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167 | |||
168 | BIT_LWPTN equ 2 ; see REG_CONFIG4 |
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169 | |||
170 | BIT_ERTXTH equ 16 ; early TX threshold |
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171 | BIT_TOK equ 15 ; transmit ok |
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172 | BIT_OWN equ 13 ; tx DMA operation is completed |
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173 | |||
174 | BIT_ANE equ 12 ; auto negotiation enable |
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175 | |||
176 | BIT_TXFD equ 8 ; 100base-T full duplex |
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177 | BIT_TX equ 7 ; 100base-T |
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178 | BIT_10FD equ 6 ; 10base-T full duplex |
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179 | BIT_10 equ 5 ; 10base-T |
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180 | BIT_SELECTOR equ 0 ; binary encoded selector CSMA/CD=00001 |
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181 | |||
182 | BIT_IFG1 equ 25 |
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183 | BIT_IFG0 equ 24 |
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184 | |||
185 | RBLEN equ 2 ; Receive buffer size: 0==8K 1==16k 2==32k 3==64k |
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186 | TXRR equ 8 ; total retries = 16+(TXRR*16) |
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187 | TX_MXDMA equ 6 ; 0=16 1=32 2=64 3=128 4=256 5=512 6=1024 7=2048 |
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188 | ERTXTH equ 8 ; in unit of 32 bytes e.g:(8*32)=256 |
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189 | RX_MXDMA equ 7 ; 0=16 1=32 2=64 3=128 4=256 5=512 6=1024 7=unlimited |
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190 | RXFTH equ 7 ; 0=16 1=32 2=64 3=128 4=256 5=512 6=1024 7=no threshold |
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191 | |||
192 | RX_CONFIG equ (RBLEN shl BIT_RBLEN) or \ |
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193 | (RX_MXDMA shl BIT_RX_MXDMA) or \ |
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194 | (1 shl BIT_NOWRAP) or \ |
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195 | (RXFTH shl BIT_RXFTH) or\ |
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196 | (1 shl BIT_AB) or \ |
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197 | (1 shl BIT_APM) or \ |
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198 | (1 shl BIT_AER) or \ |
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199 | (1 shl BIT_AR) or \ |
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200 | (1 shl BIT_AM) |
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201 | |||
202 | RX_BUFFER_SIZE equ (8192 shl RBLEN) |
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203 | MAX_ETH_FRAME_SIZE equ 1516 ; exactly 1514 wthout CRC |
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204 | NUM_TX_DESC equ 4 |
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205 | TX_BUF_SIZE equ 4096 ; size of one tx buffer (set to 4kb because of KolibriOS's page size) |
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206 | |||
207 | EE_93C46_REG_ETH_ID equ 7 ; MAC offset |
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208 | EE_93C46_READ_CMD equ (6 shl 6) ; 110b + 6bit address |
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209 | EE_93C56_READ_CMD equ (6 shl 8) ; 110b + 8bit address |
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210 | EE_93C46_CMD_LENGTH equ 9 ; start bit + cmd + 6bit address |
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211 | EE_93C56_CMD_LENGTH equ 11 ; start bit + cmd + 8bit ddress |
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212 | |||
213 | VER_RTL8139 equ 1100000b |
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214 | VER_RTL8139A equ 1110000b |
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215 | VER_RTL8139AG equ 1110100b |
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216 | VER_RTL8139B equ 1111000b |
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217 | VER_RTL8130 equ VER_RTL8139B |
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218 | VER_RTL8139C equ 1110100b |
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219 | VER_RTL8100 equ 1111010b |
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220 | VER_RTL8100B equ 1110101b |
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221 | VER_RTL8139D equ VER_RTL8100B |
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222 | VER_RTL8139CP equ 1110110b |
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223 | VER_RTL8101 equ 1110111b |
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224 | |||
225 | IDX_RTL8139 equ 0 |
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226 | IDX_RTL8139A equ 1 |
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227 | IDX_RTL8139B equ 2 |
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228 | IDX_RTL8139C equ 3 |
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229 | IDX_RTL8100 equ 4 |
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230 | IDX_RTL8139D equ 5 |
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231 | IDX_RTL8139D equ 6 |
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232 | IDX_RTL8101 equ 7 |
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233 | |||
234 | ISR_SERR equ 1 SHL 15 |
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235 | ISR_TIMEOUT equ 1 SHL 14 |
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236 | ISR_LENCHG equ 1 SHL 13 |
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237 | ISR_FIFOOVW equ 1 SHL 6 |
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238 | ISR_PUN equ 1 SHL 5 |
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239 | ISR_RXOVW equ 1 SHL 4 |
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240 | ISR_TER equ 1 SHL 3 |
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241 | ISR_TOK equ 1 SHL 2 |
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242 | ISR_RER equ 1 SHL 1 |
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243 | ISR_ROK equ 1 SHL 0 |
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244 | |||
245 | INTERRUPT_MASK equ ISR_ROK or \ |
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246 | ISR_RXOVW or \ |
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247 | ISR_PUN or \ |
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248 | ISR_FIFOOVW or \ |
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249 | ISR_LENCHG or \ |
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250 | ISR_TOK or \ |
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251 | ISR_TER |
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252 | |||
253 | TSR_OWN equ 1 SHL 13 |
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254 | TSR_TUN equ 1 SHL 14 |
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255 | TSR_TOK equ 1 SHL 15 |
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256 | |||
257 | TSR_CDH equ 1 SHL 28 |
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258 | TSR_OWC equ 1 SHL 29 |
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259 | TSR_TABT equ 1 SHL 30 |
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260 | TSR_CRS equ 1 SHL 31 |
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261 | |||
262 | |||
263 | |||
264 | section '.flat' code readable align 16 |
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265 | |||
266 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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267 | ;; ;; |
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268 | ;; proc START ;; |
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269 | ;; ;; |
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270 | ;; (standard driver proc) ;; |
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271 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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272 | |||
273 | align 4 |
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274 | proc START stdcall, state:dword |
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275 | |||
276 | cmp [state], 1 |
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277 | jne .exit |
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278 | |||
279 | .entry: |
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280 | |||
281 | DEBUGF 1,"Loading rtl8139 driver\n" |
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282 | stdcall RegService, my_service, service_proc |
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283 | ret |
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284 | |||
285 | .fail: |
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286 | .exit: |
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287 | xor eax, eax |
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288 | ret |
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289 | |||
290 | endp |
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291 | |||
292 | |||
293 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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294 | ;; ;; |
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295 | ;; proc SERVICE_PROC ;; |
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296 | ;; ;; |
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297 | ;; (standard driver proc) ;; |
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298 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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299 | |||
300 | align 4 |
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301 | proc service_proc stdcall, ioctl:dword |
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302 | |||
303 | mov edx, [ioctl] |
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304 | mov eax, [ebx+IOCTL.io_code] |
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305 | |||
306 | ;------------------------------------------------------ |
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307 | |||
308 | cmp eax, 0 ;SRV_GETVERSION |
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309 | jne @F |
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310 | |||
311 | cmp [edx+IOCTL.out_size], 4 |
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312 | jl .fail |
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313 | mov eax, [edx+IOCTL.output] |
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314 | mov [eax], dword API_VERSION |
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315 | |||
316 | xor eax, eax |
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317 | ret |
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318 | |||
319 | ;------------------------------------------------------ |
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320 | @@: |
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321 | cmp eax, 1 ;SRV_HOOK |
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322 | jne .fail |
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323 | |||
324 | cmp [edx + IOCTL.inp_size], 3 ; Data input must be at least 3 bytes |
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325 | jl .fail |
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326 | |||
327 | mov eax, [edx + IOCTL.input] |
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328 | cmp byte [eax], 1 ; 1 means device number and bus number (pci) are given |
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329 | jne .fail ; other types arent supported for this card yet |
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330 | |||
331 | ; check if the device is already listed |
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332 | |||
333 | mov esi, RTL8139_LIST |
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334 | mov ecx, [RTL8139_DEV] |
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335 | test ecx, ecx |
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336 | jz .firstdevice |
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337 | ; mov eax, [edx+IOCTL.input] ; get the pci bus and device numbers |
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338 | mov bx , [eax+1] ; |
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339 | .nextdevice: |
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340 | lodsd |
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341 | cmp bx , word [eax + device.pci_bus] ; compare with pci and device num in RTL8139 list (notice the usage of word instead of byte) |
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342 | je .find_devicenum ; Device is already loaded, let's find it's device number |
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343 | |||
344 | loop .nextdevice |
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345 | |||
346 | ; This device doesnt have its own eth_device structure yet, lets create one |
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347 | .firstdevice: |
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348 | cmp [RTL8139_DEV], MAX_RTL8139 ; First check if the driver can handle one more card |
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349 | jge .fail |
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350 | |||
351 | push edx |
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352 | stdcall KernelAlloc, dword device.size ; Allocate the buffer for eth_device structure |
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353 | pop edx |
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354 | test eax, eax |
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355 | jz .fail |
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356 | mov ebx, eax ; ebx is always used as a pointer to the structure (in driver, but also in kernel code) |
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357 | |||
358 | ; Fill in the direct call addresses into the struct |
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359 | |||
360 | mov dword [ebx+device.reset], reset |
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361 | mov dword [ebx+device.transmit], transmit |
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362 | mov dword [ebx+device.get_MAC], read_mac |
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363 | mov dword [ebx+device.set_MAC], write_mac |
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364 | mov dword [ebx+device.unload], unload |
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365 | mov dword [ebx+device.name], devicename |
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366 | |||
367 | ; save the pci bus and device numbers |
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368 | |||
369 | mov eax, [edx+IOCTL.input] |
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370 | mov cl , [eax+1] |
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371 | mov [ebx+device.pci_bus], cl |
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372 | mov cl , [eax+2] |
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373 | mov [ebx+device.pci_dev], cl |
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374 | |||
375 | ; Now, it's time to find the base io addres of the PCI device |
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376 | ; TODO: implement check if bus and dev exist on this machine |
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377 | |||
378 | mov edx, PCI_BASE_ADDRESS_0 |
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379 | .reg_check: |
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380 | movzx eax, byte [ebx+device.pci_bus] |
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381 | movzx ecx, byte [ebx+device.pci_dev] |
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382 | |||
383 | push edx ecx |
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384 | stdcall PciRead16, eax ,ecx ,edx |
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385 | pop ecx edx |
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386 | |||
387 | mov [ebx+device.io_addr], eax |
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388 | and eax, PCI_BASE_ADDRESS_IO_MASK |
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389 | test eax, eax |
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390 | jz .inc_reg |
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391 | mov eax, [ebx+device.io_addr] |
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392 | and eax, PCI_BASE_ADDRESS_SPACE_IO |
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393 | test eax, eax |
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394 | jz .inc_reg |
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395 | |||
396 | mov eax, [ebx+device.io_addr] |
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397 | and eax, PCI_BASE_ADDRESS_IO_MASK |
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398 | mov [ebx+device.io_addr], eax |
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399 | jmp .got_io |
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400 | |||
401 | .inc_reg: |
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402 | add edx, 4 |
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403 | cmp edx, PCI_BASE_ADDRESS_5 |
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404 | jbe .reg_check |
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405 | |||
406 | .got_io: |
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407 | |||
408 | ; We've found the io address, find IRQ now |
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409 | |||
410 | movzx eax, byte [ebx+device.pci_bus] |
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411 | movzx ecx, byte [ebx+device.pci_dev] |
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412 | push ebx |
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413 | stdcall PciRead8, eax ,ecx ,0x3c ; 0x3c is the offset where irq can be found |
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414 | pop ebx |
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415 | mov byte [ebx+device.irq_line], al |
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416 | |||
417 | DEBUGF 1,"Hooking into device, dev:%x, bus:%x, irq:%x, addr:%x\n",\ |
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418 | [ebx+device.pci_dev]:1,[ebx+device.pci_bus]:1,[ebx+device.irq_line]:1,[ebx+device.io_addr]:4 |
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419 | |||
420 | ; Allocate the Receive buffer |
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421 | |||
422 | stdcall KernelAlloc, dword (RX_BUFFER_SIZE+MAX_ETH_FRAME_SIZE) |
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423 | test eax, eax |
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424 | jz .err |
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425 | mov [ebx+device.rx_buffer], eax ; Save the address to it into the device struct |
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426 | |||
427 | ; Now, Clear the allocated buffer |
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428 | |||
429 | cld |
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430 | mov edi, eax |
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431 | mov ecx, (RX_BUFFER_SIZE)/4 ; divide by 4 because we are going to use DWORD |
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432 | xor eax, eax |
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433 | rep stosd |
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434 | |||
435 | ; Allocate the Transmit Buffer |
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436 | |||
437 | stdcall KernelAlloc, dword (TX_BUF_SIZE*NUM_TX_DESC) |
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438 | test eax, eax |
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439 | jz .err |
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440 | mov [ebx+device.tx_buffer], eax |
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441 | |||
442 | ; This one needs to be cleared too.. |
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443 | |||
444 | mov edi, eax |
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445 | mov ecx, (TX_BUF_SIZE*NUM_TX_DESC)/4 |
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446 | xor eax, eax |
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447 | rep stosd |
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448 | |||
449 | ; Ok, the eth_device structure is ready, let's probe the device |
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450 | |||
451 | call probe ; this function will output in eax |
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452 | test eax, eax |
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453 | jnz .err ; If an error occured, exit |
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454 | |||
455 | mov eax, [RTL8139_DEV] ; Add the device structure to our device list |
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456 | mov [RTL8139_LIST+4*eax], ebx ; (IRQ handler uses this list to find device) |
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457 | inc [RTL8139_DEV] ; |
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458 | |||
459 | |||
460 | call EthRegDev |
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461 | cmp eax, -1 |
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462 | je .destroy |
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463 | |||
464 | ret |
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465 | |||
466 | ; If the device was already loaded, find the device number and return it in eax |
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467 | |||
468 | .find_devicenum: |
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469 | DEBUGF 1,"Trying to find device number of already registered device\n" |
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470 | mov ebx, eax |
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471 | call EthStruc2Dev ; This kernel procedure converts a pointer to device struct in ebx |
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472 | ; into a device number in edi |
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473 | mov eax, edi ; Application wants it in eax instead |
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474 | DEBUGF 1,"Kernel says: %u\n", eax |
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475 | ret |
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476 | |||
477 | ; If an error occured, remove all allocated data and exit (returning -1 in eax) |
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478 | |||
479 | .destroy: |
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480 | ; todo: reset device into virgin state |
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481 | |||
482 | .err: |
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483 | stdcall KernelFree, dword [ebx+device.rx_buffer] |
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484 | stdcall KernelFree, dword [ebx+device.tx_buffer] |
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485 | stdcall KernelFree, ebx |
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486 | |||
487 | |||
488 | .fail: |
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489 | or eax, -1 |
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490 | ret |
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491 | |||
492 | ;------------------------------------------------------ |
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493 | endp |
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494 | |||
495 | |||
496 | ;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;; |
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497 | ;; ;; |
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498 | ;; Actual Hardware dependent code starts here ;; |
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499 | ;; ;; |
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500 | ;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;; |
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501 | |||
502 | align 4 |
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503 | unload: |
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504 | ; TODO: (in this particular order) |
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505 | ; |
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506 | ; - Stop the device |
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507 | ; - Detach int handler |
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508 | ; - Remove device from local list (RTL8139_LIST) |
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509 | ; - call unregister function in kernel |
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510 | ; - Remove all allocated structures and buffers the card used |
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511 | |||
512 | or eax,-1 |
||
513 | |||
514 | ret |
||
515 | |||
516 | |||
517 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
518 | ;; |
||
519 | ;; probe: enables the device (if it really is RTL8139) |
||
520 | ;; |
||
521 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
522 | |||
523 | align 4 |
||
524 | probe: |
||
525 | DEBUGF 2,"Probing rtl8139 device: " |
||
526 | |||
527 | ; enable the device |
||
528 | |||
529 | movzx eax, byte [ebx+device.pci_bus] |
||
530 | movzx ecx, byte [ebx+device.pci_dev] |
||
531 | stdcall PciRead32, eax ,ecx ,PCI_REG_CMD |
||
532 | |||
533 | mov cx , ax |
||
534 | or cl , (1 shl PCI_BIT_MASTER) or (1 shl PCI_BIT_PIO) |
||
535 | and cl , not (1 shl PCI_BIT_MMIO) |
||
536 | movzx eax, byte [ebx+device.pci_bus] |
||
537 | movzx edx, byte [ebx+device.pci_dev] |
||
538 | stdcall PciWrite32, eax ,edx ,PCI_REG_CMD, ecx |
||
539 | |||
540 | ; get chip version |
||
541 | |||
542 | mov edx, [ebx+device.io_addr] |
||
543 | add edx, REG_TXCONFIG + 2 |
||
544 | in ax , dx |
||
545 | shr ah , 2 |
||
546 | shr ax , 6 |
||
547 | and al , 01111111b |
||
548 | mov ecx, HW_VER_ARRAY_SIZE-1 |
||
549 | .chip_ver_loop: |
||
550 | cmp al , [hw_ver_array+ecx] |
||
551 | je .chip_ver_found |
||
552 | dec ecx |
||
553 | jns .chip_ver_loop |
||
554 | xor cl , cl ; default RTL8139 |
||
555 | .chip_ver_found: |
||
556 | mov [ebx+device.hw_ver_id], cl |
||
557 | |||
558 | ; wake up the chip |
||
559 | |||
560 | mov edx, [ebx+device.io_addr] |
||
561 | add edx, REG_HLTCLK |
||
562 | mov al , 'R' ; run the clock |
||
563 | out dx , al |
||
564 | |||
565 | ; unlock config and BMCR registers |
||
566 | |||
567 | add edx, REG_9346CR - REG_HLTCLK |
||
568 | mov al , (1 shl BIT_93C46_EEM1) or (1 shl BIT_93C46_EEM0) |
||
569 | out dx , al |
||
570 | |||
571 | ; enable power management |
||
572 | |||
573 | add edx, REG_CONFIG1 - REG_9346CR |
||
574 | in al , dx |
||
575 | cmp byte [ebx+device.hw_ver_id], IDX_RTL8139B |
||
576 | jl .old_chip |
||
577 | |||
578 | ; set LWAKE pin to active high (default value). |
||
579 | ; it is for Wake-On-LAN functionality of some motherboards. |
||
580 | ; this signal is used to inform the motherboard to execute a wake-up process. |
||
581 | ; only at newer chips. |
||
582 | |||
583 | or al , (1 shl BIT_PMEn) |
||
584 | and al , not (1 shl BIT_LWACT) |
||
585 | out dx , al |
||
586 | add edx, REG_CONFIG4 - REG_CONFIG1 |
||
587 | in al , dx |
||
588 | and al , not (1 shl BIT_LWPTN) |
||
589 | out dx , al |
||
590 | jmp .finish_wake_up |
||
591 | .old_chip: |
||
592 | |||
593 | ; wake up older chips |
||
594 | |||
595 | and al , not ((1 shl BIT_SLEEP) or (1 shl BIT_PWRDWN)) |
||
596 | out dx , al |
||
597 | .finish_wake_up: |
||
598 | |||
599 | ; lock config and BMCR registers |
||
600 | |||
601 | xor al , al |
||
602 | mov edx, [ebx+device.io_addr] |
||
603 | add edx, REG_9346CR |
||
604 | out dx , al |
||
605 | DEBUGF 2,"done!\n" |
||
606 | |||
607 | |||
608 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
609 | ;; |
||
610 | ;; reset: Set up all registers and descriptors, clear some values |
||
611 | ;; |
||
612 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
613 | |||
614 | reset: |
||
615 | DEBUGF 2,"Resetting rtl8139: " |
||
616 | |||
617 | ; attach int handler |
||
618 | |||
619 | movzx eax, [ebx+device.irq_line] |
||
620 | DEBUGF 1,"Attaching int handler to irq %x, ",eax:1 |
||
621 | stdcall AttachIntHandler, eax, int_handler, dword 0 |
||
622 | test eax, eax |
||
623 | jnz @f |
||
624 | DEBUGF 1,"\nCould not attach int handler!\n" |
||
625 | ; or eax, -1 |
||
626 | ; ret |
||
627 | @@: |
||
628 | |||
629 | ; reset chip |
||
630 | |||
631 | DEBUGF 1,"Resetting chip\n" |
||
632 | mov edx, [ebx+device.io_addr] |
||
633 | add edx, REG_COMMAND |
||
634 | mov al , 1 shl BIT_RST |
||
635 | out dx , al |
||
636 | mov cx , 1000 ; wait no longer for the reset |
||
637 | .wait_for_reset: |
||
638 | in al , dx |
||
639 | test al , 1 shl BIT_RST |
||
640 | jz .reset_completed ; RST remains 1 during reset |
||
641 | dec cx |
||
642 | jns .wait_for_reset |
||
643 | .reset_completed: |
||
644 | |||
645 | ; unlock config and BMCR registers |
||
646 | |||
647 | mov edx, [ebx+device.io_addr] |
||
648 | add edx, REG_9346CR |
||
649 | mov al , (1 shl BIT_93C46_EEM1) or (1 shl BIT_93C46_EEM0) |
||
650 | out dx , al |
||
651 | |||
652 | ; initialize multicast registers (no filtering) |
||
653 | |||
654 | mov eax, 0xffffffff |
||
655 | add edx, REG_MAR0 - REG_9346CR |
||
656 | out dx , eax |
||
657 | add edx, REG_MAR4 - REG_MAR0 |
||
658 | out dx , eax |
||
659 | |||
660 | ; enable Rx/Tx |
||
661 | |||
662 | mov al , (1 shl BIT_RE) or (1 shl BIT_TE) |
||
663 | add edx, REG_COMMAND - REG_MAR4 |
||
664 | out dx , al |
||
665 | |||
666 | ; 32k Rxbuffer, unlimited dma burst, no wrapping, no rx threshold |
||
667 | ; accept broadcast packets, accept physical match packets |
||
668 | |||
669 | mov ax , RX_CONFIG |
||
670 | add edx, REG_RXCONFIG - REG_COMMAND |
||
671 | out dx , ax |
||
672 | |||
673 | ; 1024 bytes DMA burst, total retries = 16 + 8 * 16 = 144 |
||
674 | |||
675 | mov eax , (TX_MXDMA shl BIT_TX_MXDMA) or (TXRR shl BIT_TXRR) or BIT_IFG1 or BIT_IFG0 |
||
676 | add edx, REG_TXCONFIG - REG_RXCONFIG |
||
677 | out dx , eax |
||
678 | |||
679 | ; enable auto negotiation |
||
680 | |||
681 | add edx, REG_BMCR - REG_TXCONFIG |
||
682 | in ax , dx |
||
683 | or ax , (1 shl BIT_ANE) |
||
684 | out dx , ax |
||
685 | |||
686 | ; set auto negotiation advertisement |
||
687 | |||
688 | add edx, REG_ANAR - REG_BMCR |
||
689 | in ax , dx |
||
690 | or ax , (1 shl BIT_SELECTOR) or (1 shl BIT_10) or (1 shl BIT_10FD) or (1 shl BIT_TX) or (1 shl BIT_TXFD) |
||
691 | out dx , ax |
||
692 | |||
693 | ; lock config and BMCR registers |
||
694 | |||
695 | xor eax, eax |
||
696 | add edx, REG_9346CR - REG_ANAR |
||
697 | out dx , al |
||
698 | |||
699 | ; init RX/TX pointers |
||
700 | |||
701 | mov [ebx+device.rx_data_offset], eax |
||
702 | mov [ebx+device.curr_tx_desc], al |
||
703 | |||
1171 | hidnplayr | 704 | ; clear packet/byte counters |
705 | |||
706 | lea edi, [ebx+device.bytes_tx] ; TODO: check if destroying edi, ecx doesnt harm anything |
||
707 | mov ecx, 6 |
||
708 | rep stosd |
||
709 | |||
1159 | hidnplayr | 710 | ; clear missing packet counter |
711 | |||
712 | add edx, REG_MPC - REG_9346CR |
||
713 | out dx , eax |
||
714 | |||
715 | ; Set up the 4 Txbuffer descriptors |
||
716 | |||
717 | add edx, REG_TSAD0 - REG_MPC |
||
718 | mov eax, [ebx+device.tx_buffer] |
||
719 | mov ecx, 4 |
||
720 | .loop: |
||
721 | push eax |
||
722 | call GetPgAddr |
||
723 | DEBUGF 2,"Desc: %x ", eax |
||
724 | out dx , eax |
||
725 | add dx , 4 |
||
726 | pop eax |
||
727 | add eax, TX_BUF_SIZE |
||
728 | loop .loop |
||
729 | |||
730 | ; set RxBuffer address, init RX buffer offset, init TX ring |
||
731 | |||
732 | mov eax, [ebx+device.rx_buffer] |
||
733 | call GetPgAddr |
||
734 | mov edx, [ebx+device.io_addr] |
||
735 | add edx, REG_RBSTART |
||
736 | out dx , eax |
||
737 | |||
738 | ; enable interrupts |
||
739 | |||
740 | mov eax, INTERRUPT_MASK |
||
741 | add edx, REG_IMR - REG_RBSTART |
||
742 | out dx , ax |
||
743 | |||
744 | ; Read MAC address |
||
745 | |||
746 | call read_mac |
||
747 | |||
748 | ; Indicate that we have successfully reset the card |
||
749 | |||
750 | DEBUGF 2,"Done!\n" |
||
751 | xor eax, eax |
||
752 | |||
753 | ret |
||
754 | |||
755 | |||
756 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
757 | ;; ;; |
||
758 | ;; Transmit ;; |
||
759 | ;; ;; |
||
760 | ;; In: buffer pointer in [esp] ;; |
||
761 | ;; size of buffer in [esp+4] ;; |
||
762 | ;; pointer to device structure in ebx ;; |
||
763 | ;; ;; |
||
764 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
765 | |||
766 | align 4 |
||
767 | transmit: |
||
768 | DEBUGF 1,"Transmitting packet, buffer:%x, size:%u\n",[esp],[esp+4] |
||
769 | mov eax, [esp] |
||
770 | DEBUGF 1,"To: %x-%x-%x-%x-%x-%x From: %x-%x-%x-%x-%x-%x Type:%x%x\n",\ |
||
771 | [eax+00]:2,[eax+01]:2,[eax+02]:2,[eax+03]:2,[eax+04]:2,[eax+05]:2,\ |
||
772 | [eax+06]:2,[eax+07]:2,[eax+08]:2,[eax+09]:2,[eax+10]:2,[eax+11]:2,\ |
||
773 | [eax+13]:2,[eax+12]:2 |
||
774 | |||
775 | cmp dword [esp+4], MAX_ETH_FRAME_SIZE |
||
776 | jg .finish ; packet is too long |
||
777 | cmp dword [esp+4], 60 |
||
778 | jl .finish ; packet is too short |
||
779 | |||
780 | ; check descriptor |
||
781 | ; DEBUGF 1,"Checking descriptor, " |
||
782 | movzx ecx, [ebx+device.curr_tx_desc] |
||
783 | mov edx, [ebx+device.io_addr] |
||
784 | lea edx, [edx+ecx*4+REG_TSD0] |
||
785 | in ax, dx |
||
786 | test ax, 0x1fff ; or no size given |
||
787 | jz .send_packet |
||
788 | and ax, (1 shl BIT_TOK) or (1 shl BIT_OWN) |
||
789 | cmp ax, (1 shl BIT_TOK) or (1 shl BIT_OWN) |
||
790 | jz .send_packet |
||
791 | ; wait for timeout |
||
792 | ; DEBUGF 1,"Waiting for timeout, " |
||
793 | |||
794 | push edx ebx ; TODO : rtl8139 internal timer should be used instead |
||
795 | stdcall Sleep, TX_TIMEOUT ; ? What registers does this destroy ? |
||
796 | pop ebx edx |
||
797 | |||
798 | in ax, dx |
||
799 | and ax, (1 shl BIT_TOK) or (1 shl BIT_OWN) |
||
800 | cmp ax, (1 shl BIT_TOK) or (1 shl BIT_OWN) |
||
801 | jz .send_packet ; if chip hung, reset it |
||
802 | push dx |
||
803 | call reset ; reset the card |
||
804 | pop dx |
||
805 | .send_packet: |
||
806 | ; DEBUGF 1,"Sending packet, " |
||
807 | |||
808 | push edx |
||
809 | movzx eax, [ebx+device.curr_tx_desc] ; calculate the current tx_buffer address |
||
810 | mov edx, TX_BUF_SIZE ;MAX_ETH_FRAME_SIZE ; |
||
811 | mul edx ; |
||
812 | mov edi, [ebx+device.tx_buffer] ; |
||
813 | add edi, eax ; Store it in edi |
||
814 | pop edx |
||
815 | |||
816 | mov esi, [esp] ; Copy data to that address |
||
817 | mov ecx, [esp+4] ; |
||
818 | shr ecx, 2 ; |
||
819 | rep movsd ; |
||
820 | mov ecx, [esp+4] ; |
||
821 | and ecx, 3 ; |
||
822 | rep movsb ; |
||
823 | |||
824 | inc [ebx+device.packets_tx] ; |
||
825 | mov eax, [esp+4] ; Get packet size in eax |
||
826 | |||
1174 | hidnplayr | 827 | add dword [ebx + device.bytes_tx], eax |
828 | adc dword [ebx + device.bytes_tx + 4], 0 |
||
1159 | hidnplayr | 829 | |
830 | ; or eax, (ERTXTH shl BIT_ERTXTH) ; Set descriptor size and the early tx treshold into the correct Transmission status register (TSD0, TSD1, TSD2 or TSD3) |
||
831 | out dx , eax ; |
||
832 | |||
833 | ; get next descriptor 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, ... |
||
834 | inc [ebx+device.curr_tx_desc] |
||
835 | and [ebx+device.curr_tx_desc], 3 |
||
836 | |||
837 | DEBUGF 2," - Packet Sent! " |
||
838 | .finish: |
||
839 | DEBUGF 2," - Done!\n" |
||
840 | call KernelFree |
||
841 | add esp, 4 ; pop (balance stack) |
||
842 | |||
843 | ret |
||
844 | |||
845 | |||
846 | |||
847 | |||
848 | |||
849 | ;;;;;;;;;;;;;;;;;;;;;;; |
||
850 | ;; ;; |
||
851 | ;; Interrupt handler ;; |
||
852 | ;; ;; |
||
853 | ;;;;;;;;;;;;;;;;;;;;;;; |
||
854 | |||
855 | align 4 |
||
856 | int_handler: |
||
857 | |||
858 | DEBUGF 1,"IRQ %x ",eax:2 ; no, you cant replace 'eax:2' with 'al', this must be a bug in FDO |
||
859 | |||
860 | ; find pointer of device wich made IRQ occur |
||
861 | |||
862 | mov esi, RTL8139_LIST |
||
863 | mov ecx, [RTL8139_DEV] |
||
864 | .nextdevice: |
||
865 | mov ebx, dword [esi] |
||
866 | |||
867 | mov edx, dword [ebx+device.io_addr] ; get IRQ reason |
||
868 | add edx, REG_ISR |
||
869 | in ax , dx |
||
870 | out dx , ax ; send it back to ACK |
||
871 | |||
872 | add esi, 4 |
||
873 | |||
874 | test ax , ax |
||
875 | jnz .got_it |
||
876 | |||
877 | loop .nextdevice |
||
878 | |||
879 | ret ; If no device was found, abort (The irq was probably for a device, not registered to this driver) |
||
880 | |||
881 | .got_it: |
||
882 | |||
883 | ; looks like we've found it! |
||
884 | |||
885 | ; Lets found out why the irq occured then.. |
||
886 | |||
887 | ;---------------------------------------------------- |
||
888 | ; Received packet ok? |
||
889 | |||
890 | test ax, ISR_ROK |
||
891 | jz @f |
||
892 | push ax |
||
893 | |||
894 | .receive: |
||
895 | mov edx, dword [ebx+device.io_addr] ; get IRQ reason |
||
896 | add edx, REG_COMMAND ; |
||
897 | in al , dx ; |
||
898 | test al , BUFE ; test if RX buffer is empty |
||
899 | jnz .finish ; |
||
900 | |||
901 | DEBUGF 2,"RX: " |
||
902 | |||
903 | mov eax, dword [ebx+device.rx_buffer] |
||
904 | add eax, dword [ebx+device.rx_data_offset] |
||
905 | test byte [eax], (1 shl BIT_ROK) ; check if packet is ok |
||
906 | jz .reset_rx |
||
907 | ; packet is ok, copy it |
||
908 | movzx ecx, word [eax+2] ; packet length |
||
1174 | hidnplayr | 909 | add dword [ebx + device.bytes_rx], ecx ; Update stats |
910 | adc dword [ebx + device.bytes_rx + 4], 0 |
||
1159 | hidnplayr | 911 | inc dword [ebx + device.packets_rx] ; |
912 | sub ecx, 4 ; don't copy CRC |
||
913 | DEBUGF 1,"Received %u bytes\n", ecx |
||
914 | |||
915 | push ebx eax ecx |
||
916 | stdcall KernelAlloc, ecx ; Allocate a buffer to put packet into |
||
917 | pop ecx |
||
918 | test eax, eax ; Test if we allocated succesfully |
||
919 | jz .abort ; |
||
920 | |||
921 | mov edi, eax ; Set up registers to copy the packet |
||
922 | mov esi, [esp] ; |
||
923 | add esi, 4 ; Dont copy CRC |
||
924 | |||
925 | push dword .abort ; Kernel will return to this address after EthReceiver |
||
926 | push ecx edi ; Save buffer pointer and size, to pass to kernel |
||
927 | |||
928 | shr ecx, 2 |
||
929 | cld |
||
930 | rep movsd ; copy the dwords |
||
931 | mov ecx, [esp+4] |
||
932 | and ecx, 3 |
||
933 | rep movsb ; copy the rest bytes |
||
934 | |||
935 | jmp EthReceiver ; Send it to kernel |
||
936 | |||
937 | .abort: |
||
938 | pop eax ebx |
||
939 | ; update eth_data_start_offset |
||
940 | movzx eax, word [eax+2] ; packet length |
||
941 | add eax, [ebx+device.rx_data_offset] |
||
942 | add eax, 4+3 ; packet header is 4 bytes long + dword alignment |
||
943 | and eax, not 3 ; dword alignment |
||
944 | cmp eax, RX_BUFFER_SIZE |
||
945 | jl .no_wrap |
||
946 | sub eax, RX_BUFFER_SIZE |
||
947 | .no_wrap: |
||
948 | mov [ebx+device.rx_data_offset], eax |
||
949 | DEBUGF 1,"New RX ptr: %u", eax |
||
950 | |||
951 | mov edx, dword [ebx+device.io_addr] |
||
952 | add edx, REG_CAPR ; update 'Current Address of Packet Read register' |
||
953 | sub eax, 0x10 ; value 0x10 is a constant for CAPR |
||
954 | out dx , ax |
||
955 | |||
956 | jmp .receive ; check for multiple packets |
||
957 | |||
958 | .reset_rx: |
||
959 | test byte [eax], (1 shl BIT_CRC) |
||
960 | jz .no_crc_error |
||
961 | DEBUGF 2,"\nCRC error!\n" |
||
962 | |||
963 | .no_crc_error: |
||
964 | test byte [eax], (1 shl BIT_FAE) |
||
965 | jz .no_fae_error |
||
966 | DEBUGF 1,"\nFrame alignment error!\n" |
||
967 | |||
968 | .no_fae_error: |
||
969 | DEBUGF 1,"Reset RX\n" |
||
970 | in al , dx ; read command register |
||
971 | push ax |
||
972 | |||
973 | and al , not (1 shl BIT_RE) ; Clear the RE bit |
||
974 | out dx , al |
||
975 | |||
976 | pop ax |
||
977 | out dx , al ; write original command back |
||
978 | |||
979 | add edx, REG_RXCONFIG - REG_COMMAND ; Restore RX configuration |
||
980 | mov ax , RX_CONFIG |
||
981 | out dx , ax |
||
982 | |||
983 | .finish: |
||
984 | pop ax |
||
985 | |||
986 | ;---------------------------------------------------- |
||
987 | ; Transmit error ? |
||
988 | |||
989 | @@: |
||
990 | test ax, ISR_TER |
||
991 | jz @f |
||
992 | |||
993 | push ax |
||
994 | cmp [ebx+device.curr_tx_desc], 4 |
||
995 | jz .notxd |
||
996 | |||
997 | mov edx, [ebx+device.io_addr] |
||
998 | movzx ecx, [ebx+device.curr_tx_desc] |
||
999 | lea edx, [edx+ecx*4+REG_TSD0] |
||
1000 | in eax, dx |
||
1001 | |||
1002 | .notxd: |
||
1003 | test eax, TSR_TUN |
||
1004 | jz .nobun |
||
1005 | DEBUGF 1, "TX: FIFO Buffer underrun!\n" |
||
1006 | |||
1007 | .nobun: |
||
1008 | test eax, TSR_OWC |
||
1009 | jz .noowc |
||
1010 | DEBUGF 1, "TX: OWC!\n" |
||
1011 | |||
1012 | .noowc: |
||
1013 | test eax, TSR_TABT |
||
1014 | jz .notabt |
||
1015 | DEBUGF 1, "TX: TABT!\n" |
||
1016 | |||
1017 | .notabt: |
||
1018 | test eax, TSR_CRS |
||
1019 | jz .nocsl |
||
1020 | DEBUGF 1, "TX: Carrier Sense Lost!\n" |
||
1021 | |||
1022 | .nocsl: |
||
1023 | ; test eax, TSR_OWN or TSR_TOK |
||
1024 | ; jz .nofd |
||
1025 | ; DEBUGF 1, "TX: Transmit OK (desc: %u)\n", ecx |
||
1026 | ; |
||
1027 | ; .nofd: |
||
1028 | pop ax |
||
1029 | |||
1030 | ;---------------------------------------------------- |
||
1031 | ; Transmit ok ? |
||
1032 | |||
1033 | @@: |
||
1034 | test ax, ISR_TOK |
||
1035 | jz @f |
||
1036 | |||
1037 | DEBUGF 1, "TX: Transmit OK (desc: %u)\n", [ebx+device.curr_tx_desc]:1 |
||
1038 | |||
1039 | ;---------------------------------------------------- |
||
1040 | ; Rx buffer overflow ? |
||
1041 | |||
1042 | @@: |
||
1043 | test ax, ISR_RXOVW |
||
1044 | jz @f |
||
1045 | |||
1046 | push ax |
||
1047 | DEBUGF 1,"RX-buffer overflow!\n" |
||
1048 | |||
1049 | mov edx, [ebx+device.io_addr] |
||
1050 | add edx, REG_ISR |
||
1051 | mov ax , ISR_FIFOOVW or ISR_RXOVW |
||
1052 | out dx , ax |
||
1053 | pop ax |
||
1054 | |||
1055 | ;---------------------------------------------------- |
||
1056 | ; Packet underrun? ? |
||
1057 | |||
1058 | |||
1059 | @@: |
||
1060 | test ax, ISR_PUN |
||
1061 | jz @f |
||
1062 | |||
1063 | DEBUGF 1,"Packet underrun!\n" |
||
1064 | |||
1065 | ;---------------------------------------------------- |
||
1066 | ; Receive FIFO overflow ? |
||
1067 | |||
1068 | @@: |
||
1069 | test ax, ISR_FIFOOVW |
||
1070 | jz @f |
||
1071 | |||
1072 | push ax |
||
1073 | DEBUGF 2,"RX fifo overflox!\n" |
||
1074 | |||
1075 | mov edx, [ebx+device.io_addr] |
||
1076 | add edx, REG_ISR |
||
1077 | mov ax , ISR_FIFOOVW or ISR_RXOVW |
||
1078 | out dx , ax |
||
1079 | pop ax |
||
1080 | |||
1081 | ;---------------------------------------------------- |
||
1082 | ; Something about Cable changed ? |
||
1083 | |||
1084 | @@: |
||
1085 | test ax, ISR_LENCHG |
||
1086 | jz .fail |
||
1087 | |||
1088 | DEBUGF 2,"Cable changed!\n" |
||
1089 | call cable |
||
1090 | |||
1091 | ; If none of the above events happened, just exit clearing int |
||
1092 | |||
1093 | .fail: |
||
1094 | |||
1095 | DEBUGF 2,"\n" |
||
1096 | ret |
||
1097 | |||
1098 | |||
1099 | |||
1100 | |||
1101 | ;;;;;;;;;;;;;;;;;;;;;;;;; |
||
1102 | ;; ;; |
||
1103 | ;; Update Cable status ;; |
||
1104 | ;; ;; |
||
1105 | ;;;;;;;;;;;;;;;;;;;;;;;;; |
||
1106 | |||
1107 | align 4 |
||
1108 | cable: |
||
1109 | DEBUGF 1,"Checking Cable status: " |
||
1110 | |||
1111 | mov edx, dword [ebx+device.io_addr] |
||
1112 | add edx, REG_MSR |
||
1113 | in al , dx |
||
1114 | |||
1115 | ; test al , 1 SHL 2 ; 0 = link ok 1 = link fail |
||
1116 | ; jnz .notconnected |
||
1117 | |||
1118 | ; test al , 1 SHL 3 ; 0 = 100 Mbps 1 = 10 Mbps |
||
1119 | ; jnz .10mbps |
||
1120 | |||
1121 | shr al, 2 |
||
1122 | and al, 3 |
||
1123 | |||
1124 | mov byte [ebx+device.mode+3], al |
||
1125 | DEBUGF 1,"Done!\n" |
||
1126 | ret |
||
1127 | |||
1128 | |||
1129 | |||
1130 | ;;;;;;;;;;;;;;;;;;;;;;; |
||
1131 | ;; ;; |
||
1132 | ;; Write MAC address ;; |
||
1133 | ;; ;; |
||
1134 | ;;;;;;;;;;;;;;;;;;;;;;; |
||
1135 | |||
1136 | align 4 |
||
1137 | write_mac: ; in: mac pushed onto stack (as 3 words) |
||
1138 | |||
1139 | DEBUGF 1,"Writing MAC: " |
||
1140 | |||
1141 | ; disable all in command registers |
||
1142 | |||
1143 | mov edx, [ebx+device.io_addr] |
||
1144 | add edx, REG_9346CR |
||
1145 | xor eax, eax |
||
1146 | out dx , al |
||
1147 | |||
1148 | add edx, REG_IMR - REG_9346CR |
||
1149 | xor eax, eax |
||
1150 | out dx , ax |
||
1151 | |||
1152 | add edx, REG_ISR - REG_IMR |
||
1153 | mov eax, -1 |
||
1154 | out dx , ax |
||
1155 | |||
1156 | ; enable writing |
||
1157 | |||
1158 | |||
1159 | add edx, REG_9346CR - REG_ISR |
||
1160 | mov eax, REG_9346CR_WE |
||
1161 | out dx , al |
||
1162 | |||
1163 | ; write the mac ... |
||
1164 | |||
1165 | add edx, REG_IDR0 - REG_9346CR |
||
1166 | pop eax |
||
1167 | out dx , eax |
||
1168 | |||
1169 | add edx, 4 |
||
1170 | xor eax, eax |
||
1171 | pop ax |
||
1172 | out dx , eax |
||
1173 | |||
1174 | ; disable writing |
||
1175 | |||
1176 | add edx, REG_9346CR -REG_IDR0 |
||
1177 | xor eax, eax |
||
1178 | out dx , al |
||
1179 | |||
1180 | DEBUGF 1,"ok!\n" |
||
1181 | |||
1182 | ; Notice this procedure does not ret, but continues to read_mac instead. |
||
1183 | |||
1184 | |||
1185 | ;;;;;;;;;;;;;;;;;;;;;; |
||
1186 | ;; ;; |
||
1187 | ;; Read MAC address ;; |
||
1188 | ;; ;; |
||
1189 | ;;;;;;;;;;;;;;;;;;;;;; |
||
1190 | |||
1191 | read_mac: |
||
1192 | DEBUGF 1,"Reading MAC: " |
||
1193 | |||
1194 | mov edx, [ebx + device.io_addr] |
||
1195 | lea edi, [ebx + device.mac] |
||
1177 | clevermous | 1196 | in eax, dx |
1159 | hidnplayr | 1197 | stosd |
1177 | clevermous | 1198 | add edx, 4 |
1173 | clevermous | 1199 | in ax, dx |
1159 | hidnplayr | 1200 | stosw |
1201 | |||
1173 | clevermous | 1202 | DEBUGF 1,"%x-%x-%x-%x-%x-%x\n",[edi-6]:2,[edi-5]:2,[edi-4]:2,[edi-3]:2,[edi-2]:2,[edi-1]:2 |
1203 | |||
1159 | hidnplayr | 1204 | ret |
1205 | |||
1206 | |||
1207 | |||
1208 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
1209 | ;; ;; |
||
1210 | ;; Read eeprom (type 93c46 and 93c56) ;; |
||
1211 | ;; ;; |
||
1212 | ;; In: word to be read in al (6bit in case of 93c46 and 8bit otherwise) ;; |
||
1213 | ;; pointer to device structure in ebx ;; |
||
1214 | ;; ;; |
||
1215 | ;; OUT: word read in ax ;; |
||
1216 | ;; ;; |
||
1217 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
1218 | |||
1219 | align 4 |
||
1220 | read_eeprom: |
||
1221 | DEBUGF 2,"Reading eeprom, " |
||
1222 | |||
1223 | mov edx, [ebx+device.io_addr] |
||
1224 | push ebx |
||
1225 | movzx ebx, al |
||
1226 | add edx, REG_RXCONFIG |
||
1227 | in al, dx |
||
1228 | test al, (1 shl BIT_9356SEL) |
||
1229 | jz .type_93c46 |
||
1230 | ; and bl, 01111111b ; don't care first bit |
||
1231 | or bx, EE_93C56_READ_CMD ; it contains start bit |
||
1232 | mov cx, EE_93C56_CMD_LENGTH-1 ; cmd_loop counter |
||
1233 | jmp .read_eeprom |
||
1234 | .type_93c46: |
||
1235 | and bl, 00111111b |
||
1236 | or bx, EE_93C46_READ_CMD ; it contains start bit |
||
1237 | mov cx, EE_93C46_CMD_LENGTH-1 ; cmd_loop counter |
||
1238 | .read_eeprom: |
||
1239 | add edx, REG_9346CR - REG_RXCONFIG |
||
1240 | ; mov al, (1 shl BIT_93C46_EEM1) |
||
1241 | ; out dx, al |
||
1242 | mov al, (1 shl BIT_93C46_EEM1) or (1 shl BIT_93C46_EECS) ; wake up the eeprom |
||
1243 | out dx, al |
||
1244 | .cmd_loop: |
||
1245 | mov al, (1 shl BIT_93C46_EEM1) or (1 shl BIT_93C46_EECS) |
||
1246 | bt bx, cx |
||
1247 | jnc .zero_bit |
||
1248 | or al, (1 shl BIT_93C46_EEDI) |
||
1249 | .zero_bit: |
||
1250 | out dx, al |
||
1251 | ; push eax |
||
1252 | ; in eax, dx ; eeprom delay |
||
1253 | ; pop eax |
||
1254 | or al, (1 shl BIT_93C46_EESK) |
||
1255 | out dx, al |
||
1256 | ; in eax, dx ; eeprom delay |
||
1257 | dec cx |
||
1258 | jns .cmd_loop |
||
1259 | ; in eax, dx ; eeprom delay |
||
1260 | mov al, (1 shl BIT_93C46_EEM1) or (1 shl BIT_93C46_EECS) |
||
1261 | out dx, al |
||
1262 | mov cl, 0xf |
||
1263 | .read_loop: |
||
1264 | shl ebx, 1 |
||
1265 | mov al, (1 shl BIT_93C46_EEM1) or (1 shl BIT_93C46_EECS) or (1 shl BIT_93C46_EESK) |
||
1266 | out dx, al |
||
1267 | ; in eax, dx ; eeprom delay |
||
1268 | in al, dx |
||
1269 | and al, (1 shl BIT_93C46_EEDO) |
||
1270 | jz .dont_set |
||
1271 | inc ebx |
||
1272 | .dont_set: |
||
1273 | mov al, (1 shl BIT_93C46_EEM1) or (1 shl BIT_93C46_EECS) |
||
1274 | out dx, al |
||
1275 | ; in eax, dx ; eeprom delay |
||
1276 | dec cl |
||
1277 | jns .read_loop |
||
1278 | xor al, al |
||
1279 | out dx, al |
||
1280 | mov ax, bx |
||
1281 | pop ebx |
||
1282 | |||
1283 | ret |
||
1284 | |||
1285 | |||
1286 | ; End of code |
||
1287 | |||
1288 | align 4 ; Place all initialised data here |
||
1289 | |||
1290 | RTL8139_DEV dd 0 |
||
1291 | version dd (5 shl 16) or (API_VERSION and 0xFFFF) |
||
1292 | my_service db 'RTL8139',0 ; max 16 chars include zero |
||
1293 | devicename db 'Realtek 8139',0 |
||
1294 | |||
1295 | hw_ver_array db VER_RTL8139 ; This array is used by the probe routine to find out wich version of the RTL8139 we are working with |
||
1296 | db VER_RTL8139A |
||
1297 | db VER_RTL8139B |
||
1298 | db VER_RTL8139C |
||
1299 | db VER_RTL8100 |
||
1300 | db VER_RTL8139D |
||
1301 | db VER_RTL8139CP |
||
1302 | db VER_RTL8101 |
||
1303 | |||
1304 | HW_VER_ARRAY_SIZE = $-hw_ver_array |
||
1305 | |||
1306 | include_debug_strings ; All data wich FDO uses will be included here |
||
1307 | |||
1308 | section '.data' data readable writable align 16 ; place all uninitialized data place here |
||
1309 | |||
1310 | RTL8139_LIST rd MAX_RTL8139 ; This list contains all pointers to device structures the driver is handling> |
||
1311 |