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Rev | Author | Line No. | Line |
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1159 | hidnplayr | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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1514 | hidnplayr | 3 | ;; Copyright (C) KolibriOS team 2004-2010. All rights reserved. ;; |
1159 | hidnplayr | 4 | ;; Distributed under terms of the GNU General Public License ;; |
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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1254 | hidnplayr | 10 | ;; 0.1 - x march 2009 ;; |
11 | ;; 0.2 - 8 november 2009 ;; |
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1159 | hidnplayr | 12 | ;; ;; |
13 | ;; GNU GENERAL PUBLIC LICENSE ;; |
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14 | ;; Version 2, June 1991 ;; |
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15 | ;; ;; |
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16 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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17 | |||
1486 | hidnplayr | 18 | |
1159 | hidnplayr | 19 | format MS COFF |
20 | |||
21 | API_VERSION equ 0x01000100 |
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22 | |||
23 | DEBUG equ 1 |
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24 | __DEBUG__ equ 1 |
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1472 | hidnplayr | 25 | __DEBUG_LEVEL__ equ 2 |
1159 | hidnplayr | 26 | |
27 | include 'proc32.inc' |
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28 | include 'imports.inc' |
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29 | include 'fdo.inc' |
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1472 | hidnplayr | 30 | include 'netdrv.inc' |
1159 | hidnplayr | 31 | |
1492 | hidnplayr | 32 | OS_BASE equ 0 |
1159 | hidnplayr | 33 | new_app_base equ 0x60400000 |
34 | PROC_BASE equ OS_BASE+0x0080000 |
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35 | |||
36 | public START |
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37 | public service_proc |
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38 | public version |
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39 | |||
40 | |||
1492 | hidnplayr | 41 | virtual at ebx |
42 | |||
43 | device: |
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44 | |||
45 | ETH_DEVICE |
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46 | |||
1159 | hidnplayr | 47 | .rx_buffer dd ? |
48 | .tx_buffer dd ? |
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49 | .rx_data_offset dd ? |
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50 | .io_addr dd ? |
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51 | .curr_tx_desc db ? |
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52 | .pci_bus db ? |
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53 | .pci_dev db ? |
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54 | .irq_line db ? |
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55 | .hw_ver_id db ? |
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56 | |||
1472 | hidnplayr | 57 | .size = $ - device |
58 | |||
1159 | hidnplayr | 59 | end virtual |
60 | |||
1492 | hidnplayr | 61 | |
1159 | hidnplayr | 62 | ; RTL8139 specific defines |
63 | |||
64 | MAX_RTL8139 equ 16 ; Max number of devices this driver may handle |
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65 | TX_TIMEOUT equ 30 ; 300 milliseconds timeout |
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66 | |||
67 | PCI_REG_CMD equ 0x04 ; command register |
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68 | PCI_BIT_PIO equ 0 ; bit0: io space control |
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69 | PCI_BIT_MMIO equ 1 ; bit1: memory space control |
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70 | PCI_BIT_MASTER equ 2 ; bit2: device acts as a PCI master |
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71 | |||
72 | REG_IDR0 equ 0x00 |
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73 | REG_MAR0 equ 0x08 ; multicast filter register 0 |
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74 | REG_MAR4 equ 0x0c ; multicast filter register 4 |
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75 | REG_TSD0 equ 0x10 ; transmit status of descriptor |
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76 | REG_TSAD0 equ 0x20 ; transmit start address of descriptor |
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77 | REG_RBSTART equ 0x30 ; RxBuffer start address |
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78 | REG_COMMAND equ 0x37 ; command register |
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79 | REG_CAPR equ 0x38 ; current address of packet read (word) R/W |
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80 | REG_IMR equ 0x3c ; interrupt mask register |
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81 | REG_ISR equ 0x3e ; interrupt status register |
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82 | REG_TXCONFIG equ 0x40 ; transmit configuration register |
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83 | REG_RXCONFIG equ 0x44 ; receive configuration register 0 |
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84 | REG_MPC equ 0x4c ; missed packet counter |
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85 | REG_9346CR equ 0x50 ; serial eeprom 93C46 command register |
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86 | REG_CONFIG1 equ 0x52 ; configuration register 1 |
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87 | REG_MSR equ 0x58 |
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88 | REG_CONFIG4 equ 0x5a ; configuration register 4 |
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89 | REG_HLTCLK equ 0x5b ; undocumented halt clock register |
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90 | REG_BMCR equ 0x62 ; basic mode control register |
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91 | REG_ANAR equ 0x66 ; auto negotiation advertisement register |
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92 | REG_9346CR_WE equ 11b SHL 6 |
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93 | |||
94 | BIT_RUNT equ 4 ; total packet length < 64 bytes |
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95 | BIT_LONG equ 3 ; total packet length > 4k |
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96 | BIT_CRC equ 2 ; crc error occured |
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97 | BIT_FAE equ 1 ; frame alignment error occured |
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98 | BIT_ROK equ 0 ; received packet is ok |
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99 | |||
100 | BIT_RST equ 4 ; reset bit |
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101 | BIT_RE equ 3 ; receiver enabled |
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102 | BIT_TE equ 2 ; transmitter enabled |
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103 | BUFE equ 1 ; rx buffer is empty, no packet stored |
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104 | |||
105 | BIT_ISR_TOK equ 2 ; transmit ok |
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106 | BIT_ISR_RER equ 1 ; receive error interrupt |
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107 | BIT_ISR_ROK equ 0 ; receive ok |
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108 | |||
109 | BIT_TX_MXDMA equ 8 ; Max DMA burst size per Tx DMA burst |
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110 | BIT_TXRR equ 4 ; Tx Retry count 16+(TXRR*16) |
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111 | |||
112 | BIT_RXFTH equ 13 ; Rx fifo threshold |
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113 | BIT_RBLEN equ 11 ; Ring buffer length indicator |
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114 | BIT_RX_MXDMA equ 8 ; Max DMA burst size per Rx DMA burst |
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115 | BIT_NOWRAP equ 7 ; transfered data wrapping |
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116 | BIT_9356SEL equ 6 ; eeprom selector 9346/9356 |
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117 | BIT_AER equ 5 ; accept error packets |
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118 | BIT_AR equ 4 ; accept runt packets |
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119 | BIT_AB equ 3 ; accept broadcast packets |
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120 | BIT_AM equ 2 ; accept multicast packets |
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121 | BIT_APM equ 1 ; accept physical match packets |
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122 | BIT_AAP equ 0 ; accept all packets |
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123 | |||
124 | BIT_93C46_EEM1 equ 7 ; RTL8139 eeprom operating mode1 |
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125 | BIT_93C46_EEM0 equ 6 ; RTL8139 eeprom operating mode0 |
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126 | BIT_93C46_EECS equ 3 ; chip select |
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127 | BIT_93C46_EESK equ 2 ; serial data clock |
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128 | BIT_93C46_EEDI equ 1 ; serial data input |
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129 | BIT_93C46_EEDO equ 0 ; serial data output |
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130 | |||
131 | BIT_LWACT equ 4 ; see REG_CONFIG1 |
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132 | BIT_SLEEP equ 1 ; sleep bit at older chips |
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133 | BIT_PWRDWN equ 0 ; power down bit at older chips |
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134 | BIT_PMEn equ 0 ; power management enabled |
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135 | |||
136 | BIT_LWPTN equ 2 ; see REG_CONFIG4 |
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137 | |||
138 | BIT_ERTXTH equ 16 ; early TX threshold |
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139 | BIT_TOK equ 15 ; transmit ok |
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140 | BIT_OWN equ 13 ; tx DMA operation is completed |
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141 | |||
142 | BIT_ANE equ 12 ; auto negotiation enable |
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143 | |||
144 | BIT_TXFD equ 8 ; 100base-T full duplex |
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145 | BIT_TX equ 7 ; 100base-T |
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146 | BIT_10FD equ 6 ; 10base-T full duplex |
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147 | BIT_10 equ 5 ; 10base-T |
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148 | BIT_SELECTOR equ 0 ; binary encoded selector CSMA/CD=00001 |
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149 | |||
150 | BIT_IFG1 equ 25 |
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151 | BIT_IFG0 equ 24 |
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152 | |||
153 | RBLEN equ 2 ; Receive buffer size: 0==8K 1==16k 2==32k 3==64k |
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154 | TXRR equ 8 ; total retries = 16+(TXRR*16) |
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155 | TX_MXDMA equ 6 ; 0=16 1=32 2=64 3=128 4=256 5=512 6=1024 7=2048 |
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156 | ERTXTH equ 8 ; in unit of 32 bytes e.g:(8*32)=256 |
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157 | RX_MXDMA equ 7 ; 0=16 1=32 2=64 3=128 4=256 5=512 6=1024 7=unlimited |
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158 | RXFTH equ 7 ; 0=16 1=32 2=64 3=128 4=256 5=512 6=1024 7=no threshold |
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159 | |||
160 | RX_CONFIG equ (RBLEN shl BIT_RBLEN) or \ |
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161 | (RX_MXDMA shl BIT_RX_MXDMA) or \ |
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162 | (1 shl BIT_NOWRAP) or \ |
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163 | (RXFTH shl BIT_RXFTH) or\ |
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1472 | hidnplayr | 164 | (1 shl BIT_AB) or \ ; Accept broadcast packets |
165 | (1 shl BIT_APM) or \ ; Accept physical match packets |
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166 | (1 shl BIT_AER) or \ ; Accept error packets |
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167 | (1 shl BIT_AR) or \ ; Accept Runt packets (smaller then 64 bytes) |
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168 | (1 shl BIT_AM) ; Accept multicast packets |
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1159 | hidnplayr | 169 | |
1472 | hidnplayr | 170 | RX_BUFFER_SIZE equ (8192 shl RBLEN);+16 |
1159 | hidnplayr | 171 | MAX_ETH_FRAME_SIZE equ 1516 ; exactly 1514 wthout CRC |
172 | NUM_TX_DESC equ 4 |
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173 | TX_BUF_SIZE equ 4096 ; size of one tx buffer (set to 4kb because of KolibriOS's page size) |
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174 | |||
175 | EE_93C46_REG_ETH_ID equ 7 ; MAC offset |
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176 | EE_93C46_READ_CMD equ (6 shl 6) ; 110b + 6bit address |
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177 | EE_93C56_READ_CMD equ (6 shl 8) ; 110b + 8bit address |
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178 | EE_93C46_CMD_LENGTH equ 9 ; start bit + cmd + 6bit address |
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179 | EE_93C56_CMD_LENGTH equ 11 ; start bit + cmd + 8bit ddress |
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180 | |||
181 | VER_RTL8139 equ 1100000b |
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182 | VER_RTL8139A equ 1110000b |
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183 | VER_RTL8139AG equ 1110100b |
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184 | VER_RTL8139B equ 1111000b |
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185 | VER_RTL8130 equ VER_RTL8139B |
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186 | VER_RTL8139C equ 1110100b |
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187 | VER_RTL8100 equ 1111010b |
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188 | VER_RTL8100B equ 1110101b |
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189 | VER_RTL8139D equ VER_RTL8100B |
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190 | VER_RTL8139CP equ 1110110b |
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191 | VER_RTL8101 equ 1110111b |
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192 | |||
193 | IDX_RTL8139 equ 0 |
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194 | IDX_RTL8139A equ 1 |
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195 | IDX_RTL8139B equ 2 |
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196 | IDX_RTL8139C equ 3 |
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197 | IDX_RTL8100 equ 4 |
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198 | IDX_RTL8139D equ 5 |
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199 | IDX_RTL8139D equ 6 |
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200 | IDX_RTL8101 equ 7 |
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201 | |||
202 | ISR_SERR equ 1 SHL 15 |
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203 | ISR_TIMEOUT equ 1 SHL 14 |
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204 | ISR_LENCHG equ 1 SHL 13 |
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205 | ISR_FIFOOVW equ 1 SHL 6 |
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206 | ISR_PUN equ 1 SHL 5 |
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207 | ISR_RXOVW equ 1 SHL 4 |
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208 | ISR_TER equ 1 SHL 3 |
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209 | ISR_TOK equ 1 SHL 2 |
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210 | ISR_RER equ 1 SHL 1 |
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211 | ISR_ROK equ 1 SHL 0 |
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212 | |||
213 | INTERRUPT_MASK equ ISR_ROK or \ |
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214 | ISR_RXOVW or \ |
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215 | ISR_PUN or \ |
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216 | ISR_FIFOOVW or \ |
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217 | ISR_LENCHG or \ |
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218 | ISR_TOK or \ |
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219 | ISR_TER |
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220 | |||
221 | TSR_OWN equ 1 SHL 13 |
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222 | TSR_TUN equ 1 SHL 14 |
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223 | TSR_TOK equ 1 SHL 15 |
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224 | |||
225 | TSR_CDH equ 1 SHL 28 |
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226 | TSR_OWC equ 1 SHL 29 |
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227 | TSR_TABT equ 1 SHL 30 |
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228 | TSR_CRS equ 1 SHL 31 |
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229 | |||
230 | |||
231 | |||
232 | section '.flat' code readable align 16 |
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233 | |||
234 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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235 | ;; ;; |
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236 | ;; proc START ;; |
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237 | ;; ;; |
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238 | ;; (standard driver proc) ;; |
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239 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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240 | |||
241 | align 4 |
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242 | proc START stdcall, state:dword |
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243 | |||
244 | cmp [state], 1 |
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245 | jne .exit |
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246 | |||
247 | .entry: |
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248 | |||
1472 | hidnplayr | 249 | DEBUGF 2,"Loading rtl8139 driver\n" |
1159 | hidnplayr | 250 | stdcall RegService, my_service, service_proc |
251 | ret |
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252 | |||
253 | .fail: |
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254 | .exit: |
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255 | xor eax, eax |
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256 | ret |
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257 | |||
258 | endp |
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259 | |||
260 | |||
261 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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262 | ;; ;; |
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263 | ;; proc SERVICE_PROC ;; |
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264 | ;; ;; |
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265 | ;; (standard driver proc) ;; |
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266 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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267 | |||
268 | align 4 |
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269 | proc service_proc stdcall, ioctl:dword |
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270 | |||
271 | mov edx, [ioctl] |
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1472 | hidnplayr | 272 | mov eax, [IOCTL.io_code] |
1159 | hidnplayr | 273 | |
274 | ;------------------------------------------------------ |
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275 | |||
276 | cmp eax, 0 ;SRV_GETVERSION |
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277 | jne @F |
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278 | |||
1472 | hidnplayr | 279 | cmp [IOCTL.out_size], 4 |
1159 | hidnplayr | 280 | jl .fail |
1472 | hidnplayr | 281 | mov eax, [IOCTL.output] |
1159 | hidnplayr | 282 | mov [eax], dword API_VERSION |
283 | |||
284 | xor eax, eax |
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285 | ret |
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286 | |||
287 | ;------------------------------------------------------ |
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288 | @@: |
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289 | cmp eax, 1 ;SRV_HOOK |
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290 | jne .fail |
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291 | |||
1472 | hidnplayr | 292 | cmp [IOCTL.inp_size], 3 ; Data input must be at least 3 bytes |
1159 | hidnplayr | 293 | jl .fail |
294 | |||
1472 | hidnplayr | 295 | mov eax, [IOCTL.input] |
1159 | hidnplayr | 296 | cmp byte [eax], 1 ; 1 means device number and bus number (pci) are given |
297 | jne .fail ; other types arent supported for this card yet |
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298 | |||
299 | ; check if the device is already listed |
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300 | |||
301 | mov esi, RTL8139_LIST |
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302 | mov ecx, [RTL8139_DEV] |
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303 | test ecx, ecx |
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304 | jz .firstdevice |
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1472 | hidnplayr | 305 | |
306 | ; mov eax, [IOCTL.input] ; get the pci bus and device numbers |
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307 | mov ax , [eax+1] ; |
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1159 | hidnplayr | 308 | .nextdevice: |
1472 | hidnplayr | 309 | mov ebx, [esi] |
310 | cmp ax , word [device.pci_bus] ; compare with pci and device num in device list (notice the usage of word instead of byte) |
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1159 | hidnplayr | 311 | je .find_devicenum ; Device is already loaded, let's find it's device number |
1472 | hidnplayr | 312 | add esi, 4 |
1159 | hidnplayr | 313 | loop .nextdevice |
314 | |||
1472 | hidnplayr | 315 | |
1159 | hidnplayr | 316 | ; This device doesnt have its own eth_device structure yet, lets create one |
317 | .firstdevice: |
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318 | cmp [RTL8139_DEV], MAX_RTL8139 ; First check if the driver can handle one more card |
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319 | jge .fail |
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320 | |||
321 | push edx |
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1492 | hidnplayr | 322 | stdcall KernelAlloc, device.size ; Allocate the buffer for eth_device structure |
1159 | hidnplayr | 323 | pop edx |
324 | test eax, eax |
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325 | jz .fail |
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326 | mov ebx, eax ; ebx is always used as a pointer to the structure (in driver, but also in kernel code) |
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327 | |||
328 | ; Fill in the direct call addresses into the struct |
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329 | |||
1486 | hidnplayr | 330 | mov [device.reset], reset |
331 | mov [device.transmit], transmit |
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332 | mov [device.get_MAC], read_mac |
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333 | mov [device.set_MAC], write_mac |
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334 | mov [device.unload], unload |
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335 | mov [device.name], my_service |
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1159 | hidnplayr | 336 | |
337 | ; save the pci bus and device numbers |
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338 | |||
1472 | hidnplayr | 339 | mov eax, [IOCTL.input] |
1159 | hidnplayr | 340 | mov cl , [eax+1] |
1472 | hidnplayr | 341 | mov [device.pci_bus], cl |
1159 | hidnplayr | 342 | mov cl , [eax+2] |
1472 | hidnplayr | 343 | mov [device.pci_dev], cl |
1159 | hidnplayr | 344 | |
345 | ; Now, it's time to find the base io addres of the PCI device |
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346 | |||
1472 | hidnplayr | 347 | find_io [device.pci_bus], [device.pci_dev], [device.io_addr] |
1159 | hidnplayr | 348 | |
349 | ; We've found the io address, find IRQ now |
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350 | |||
1492 | hidnplayr | 351 | find_irq [device.pci_bus], [device.pci_dev], [device.irq_line] |
1159 | hidnplayr | 352 | |
1472 | hidnplayr | 353 | DEBUGF 2,"Hooking into device, dev:%x, bus:%x, irq:%x, addr:%x\n",\ |
354 | [device.pci_dev]:1,[device.pci_bus]:1,[device.irq_line]:1,[device.io_addr]:4 |
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1159 | hidnplayr | 355 | |
356 | |||
1472 | hidnplayr | 357 | allocate_and_clear [device.rx_buffer], (RX_BUFFER_SIZE+MAX_ETH_FRAME_SIZE), .err |
358 | allocate_and_clear [device.tx_buffer], (TX_BUF_SIZE*NUM_TX_DESC), .err |
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1159 | hidnplayr | 359 | |
360 | ; Ok, the eth_device structure is ready, let's probe the device |
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361 | |||
362 | call probe ; this function will output in eax |
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363 | test eax, eax |
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364 | jnz .err ; If an error occured, exit |
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365 | |||
366 | mov eax, [RTL8139_DEV] ; Add the device structure to our device list |
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367 | mov [RTL8139_LIST+4*eax], ebx ; (IRQ handler uses this list to find device) |
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368 | inc [RTL8139_DEV] ; |
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369 | |||
370 | |||
1514 | hidnplayr | 371 | mov [device.type], NET_TYPE_ETH |
372 | call NetRegDev |
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373 | |||
1159 | hidnplayr | 374 | cmp eax, -1 |
375 | je .destroy |
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376 | |||
377 | ret |
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378 | |||
379 | ; If the device was already loaded, find the device number and return it in eax |
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380 | |||
381 | .find_devicenum: |
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1472 | hidnplayr | 382 | DEBUGF 2,"Trying to find device number of already registered device\n" |
1514 | hidnplayr | 383 | call NetPtrToNum ; This kernel procedure converts a pointer to device struct in ebx |
1159 | hidnplayr | 384 | ; into a device number in edi |
385 | mov eax, edi ; Application wants it in eax instead |
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1472 | hidnplayr | 386 | DEBUGF 2,"Kernel says: %u\n", eax |
1159 | hidnplayr | 387 | ret |
388 | |||
389 | ; If an error occured, remove all allocated data and exit (returning -1 in eax) |
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390 | |||
391 | .destroy: |
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392 | ; todo: reset device into virgin state |
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393 | |||
394 | .err: |
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1472 | hidnplayr | 395 | stdcall KernelFree, dword [device.rx_buffer] |
396 | stdcall KernelFree, dword [device.tx_buffer] |
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1159 | hidnplayr | 397 | stdcall KernelFree, ebx |
398 | |||
399 | |||
400 | .fail: |
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401 | or eax, -1 |
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402 | ret |
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403 | |||
404 | ;------------------------------------------------------ |
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405 | endp |
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406 | |||
407 | |||
408 | ;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;; |
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409 | ;; ;; |
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410 | ;; Actual Hardware dependent code starts here ;; |
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411 | ;; ;; |
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412 | ;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;; |
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413 | |||
414 | align 4 |
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415 | unload: |
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416 | ; TODO: (in this particular order) |
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417 | ; |
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418 | ; - Stop the device |
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419 | ; - Detach int handler |
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420 | ; - Remove device from local list (RTL8139_LIST) |
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421 | ; - call unregister function in kernel |
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422 | ; - Remove all allocated structures and buffers the card used |
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423 | |||
424 | or eax,-1 |
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425 | |||
426 | ret |
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427 | |||
428 | |||
429 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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430 | ;; |
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431 | ;; probe: enables the device (if it really is RTL8139) |
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432 | ;; |
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433 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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434 | |||
435 | align 4 |
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436 | probe: |
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437 | DEBUGF 2,"Probing rtl8139 device: " |
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438 | |||
1472 | hidnplayr | 439 | make_bus_master [device.pci_bus], [device.pci_dev] |
1159 | hidnplayr | 440 | |
441 | ; get chip version |
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442 | |||
1472 | hidnplayr | 443 | set_io 0 |
444 | set_io REG_TXCONFIG + 2 |
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1159 | hidnplayr | 445 | in ax , dx |
446 | shr ah , 2 |
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447 | shr ax , 6 |
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448 | and al , 01111111b |
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1514 | hidnplayr | 449 | |
1159 | hidnplayr | 450 | mov ecx, HW_VER_ARRAY_SIZE-1 |
451 | .chip_ver_loop: |
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1514 | hidnplayr | 452 | cmp al , [hw_ver_array + ecx] |
1159 | hidnplayr | 453 | je .chip_ver_found |
454 | dec ecx |
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455 | jns .chip_ver_loop |
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1514 | hidnplayr | 456 | .unknown: |
457 | mov ecx, 8 |
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1159 | hidnplayr | 458 | .chip_ver_found: |
1514 | hidnplayr | 459 | cmp ecx, 8 |
460 | jg .unknown |
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461 | |||
1472 | hidnplayr | 462 | mov [device.hw_ver_id], cl |
1159 | hidnplayr | 463 | |
1514 | hidnplayr | 464 | mov ecx, [crosslist + ecx*4] |
1472 | hidnplayr | 465 | mov [device.name], ecx |
1178 | hidnplayr | 466 | |
1514 | hidnplayr | 467 | DEBUGF 2,"Chip version: %s\n", ecx |
1178 | hidnplayr | 468 | |
1159 | hidnplayr | 469 | ; wake up the chip |
470 | |||
1472 | hidnplayr | 471 | set_io 0 |
472 | set_io REG_HLTCLK |
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1159 | hidnplayr | 473 | mov al , 'R' ; run the clock |
474 | out dx , al |
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475 | |||
476 | ; unlock config and BMCR registers |
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477 | |||
1472 | hidnplayr | 478 | set_io REG_9346CR |
1159 | hidnplayr | 479 | mov al , (1 shl BIT_93C46_EEM1) or (1 shl BIT_93C46_EEM0) |
480 | out dx , al |
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481 | |||
482 | ; enable power management |
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483 | |||
1472 | hidnplayr | 484 | set_io REG_CONFIG1 |
1159 | hidnplayr | 485 | in al , dx |
1472 | hidnplayr | 486 | cmp [device.hw_ver_id], IDX_RTL8139B |
1159 | hidnplayr | 487 | jl .old_chip |
488 | |||
489 | ; set LWAKE pin to active high (default value). |
||
490 | ; it is for Wake-On-LAN functionality of some motherboards. |
||
491 | ; this signal is used to inform the motherboard to execute a wake-up process. |
||
492 | ; only at newer chips. |
||
493 | |||
494 | or al , (1 shl BIT_PMEn) |
||
495 | and al , not (1 shl BIT_LWACT) |
||
496 | out dx , al |
||
1472 | hidnplayr | 497 | |
498 | set_io REG_CONFIG4 |
||
1159 | hidnplayr | 499 | in al , dx |
500 | and al , not (1 shl BIT_LWPTN) |
||
501 | out dx , al |
||
1472 | hidnplayr | 502 | |
1159 | hidnplayr | 503 | jmp .finish_wake_up |
504 | .old_chip: |
||
505 | |||
506 | ; wake up older chips |
||
507 | |||
508 | and al , not ((1 shl BIT_SLEEP) or (1 shl BIT_PWRDWN)) |
||
509 | out dx , al |
||
510 | .finish_wake_up: |
||
511 | |||
512 | ; lock config and BMCR registers |
||
513 | |||
514 | xor al , al |
||
1472 | hidnplayr | 515 | set_io 0 |
516 | set_io REG_9346CR |
||
1159 | hidnplayr | 517 | out dx , al |
518 | DEBUGF 2,"done!\n" |
||
519 | |||
520 | |||
521 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
522 | ;; |
||
523 | ;; reset: Set up all registers and descriptors, clear some values |
||
524 | ;; |
||
525 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
526 | |||
527 | reset: |
||
528 | DEBUGF 2,"Resetting rtl8139: " |
||
529 | |||
530 | ; attach int handler |
||
531 | |||
1472 | hidnplayr | 532 | movzx eax, [device.irq_line] |
1159 | hidnplayr | 533 | DEBUGF 1,"Attaching int handler to irq %x, ",eax:1 |
534 | stdcall AttachIntHandler, eax, int_handler, dword 0 |
||
535 | test eax, eax |
||
536 | jnz @f |
||
537 | DEBUGF 1,"\nCould not attach int handler!\n" |
||
538 | ; or eax, -1 |
||
539 | ; ret |
||
540 | @@: |
||
541 | |||
542 | ; reset chip |
||
543 | |||
544 | DEBUGF 1,"Resetting chip\n" |
||
1472 | hidnplayr | 545 | set_io 0 |
546 | set_io REG_COMMAND |
||
1159 | hidnplayr | 547 | mov al , 1 shl BIT_RST |
548 | out dx , al |
||
549 | mov cx , 1000 ; wait no longer for the reset |
||
550 | .wait_for_reset: |
||
551 | in al , dx |
||
552 | test al , 1 shl BIT_RST |
||
553 | jz .reset_completed ; RST remains 1 during reset |
||
554 | dec cx |
||
555 | jns .wait_for_reset |
||
556 | .reset_completed: |
||
557 | |||
558 | ; unlock config and BMCR registers |
||
559 | |||
1472 | hidnplayr | 560 | set_io REG_9346CR |
1159 | hidnplayr | 561 | mov al , (1 shl BIT_93C46_EEM1) or (1 shl BIT_93C46_EEM0) |
562 | out dx , al |
||
563 | |||
564 | ; initialize multicast registers (no filtering) |
||
565 | |||
566 | mov eax, 0xffffffff |
||
1472 | hidnplayr | 567 | set_io REG_MAR0 |
1159 | hidnplayr | 568 | out dx , eax |
1472 | hidnplayr | 569 | set_io REG_MAR4 |
1159 | hidnplayr | 570 | out dx , eax |
571 | |||
572 | ; enable Rx/Tx |
||
573 | |||
574 | mov al , (1 shl BIT_RE) or (1 shl BIT_TE) |
||
1472 | hidnplayr | 575 | set_io REG_COMMAND |
1159 | hidnplayr | 576 | out dx , al |
577 | |||
578 | ; 32k Rxbuffer, unlimited dma burst, no wrapping, no rx threshold |
||
579 | ; accept broadcast packets, accept physical match packets |
||
580 | |||
581 | mov ax , RX_CONFIG |
||
1472 | hidnplayr | 582 | set_io REG_RXCONFIG |
1159 | hidnplayr | 583 | out dx , ax |
584 | |||
1472 | hidnplayr | 585 | |
1159 | hidnplayr | 586 | ; 1024 bytes DMA burst, total retries = 16 + 8 * 16 = 144 |
587 | |||
588 | mov eax , (TX_MXDMA shl BIT_TX_MXDMA) or (TXRR shl BIT_TXRR) or BIT_IFG1 or BIT_IFG0 |
||
1472 | hidnplayr | 589 | set_io REG_TXCONFIG |
1159 | hidnplayr | 590 | out dx , eax |
591 | |||
592 | ; enable auto negotiation |
||
593 | |||
1472 | hidnplayr | 594 | set_io REG_BMCR |
1159 | hidnplayr | 595 | in ax , dx |
596 | or ax , (1 shl BIT_ANE) |
||
597 | out dx , ax |
||
598 | |||
599 | ; set auto negotiation advertisement |
||
600 | |||
1472 | hidnplayr | 601 | set_io REG_ANAR |
1159 | hidnplayr | 602 | in ax , dx |
603 | 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) |
||
604 | out dx , ax |
||
605 | |||
606 | ; lock config and BMCR registers |
||
607 | |||
608 | xor eax, eax |
||
1472 | hidnplayr | 609 | set_io REG_9346CR |
1159 | hidnplayr | 610 | out dx , al |
611 | |||
612 | ; init RX/TX pointers |
||
613 | |||
1472 | hidnplayr | 614 | mov [device.rx_data_offset], eax |
615 | mov [device.curr_tx_desc], al |
||
1159 | hidnplayr | 616 | |
1171 | hidnplayr | 617 | ; clear packet/byte counters |
618 | |||
1472 | hidnplayr | 619 | lea edi, [device.bytes_tx] |
1171 | hidnplayr | 620 | mov ecx, 6 |
621 | rep stosd |
||
622 | |||
1159 | hidnplayr | 623 | ; clear missing packet counter |
624 | |||
1472 | hidnplayr | 625 | set_io REG_MPC |
1159 | hidnplayr | 626 | out dx , eax |
627 | |||
628 | ; Set up the 4 Txbuffer descriptors |
||
629 | |||
1472 | hidnplayr | 630 | set_io REG_TSAD0 |
631 | mov eax, [device.tx_buffer] |
||
1159 | hidnplayr | 632 | mov ecx, 4 |
633 | .loop: |
||
634 | push eax |
||
635 | call GetPgAddr |
||
1472 | hidnplayr | 636 | DEBUGF 1,"Desc: %x ", eax |
1159 | hidnplayr | 637 | out dx , eax |
638 | add dx , 4 |
||
639 | pop eax |
||
640 | add eax, TX_BUF_SIZE |
||
641 | loop .loop |
||
642 | |||
1472 | hidnplayr | 643 | ; set RxBuffer address, init RX buffer offset |
1159 | hidnplayr | 644 | |
1472 | hidnplayr | 645 | mov eax, [device.rx_buffer] |
1159 | hidnplayr | 646 | call GetPgAddr |
1472 | hidnplayr | 647 | set_io 0 |
648 | set_io REG_RBSTART |
||
1159 | hidnplayr | 649 | out dx , eax |
650 | |||
651 | ; enable interrupts |
||
652 | |||
653 | mov eax, INTERRUPT_MASK |
||
1472 | hidnplayr | 654 | set_io REG_IMR |
1159 | hidnplayr | 655 | out dx , ax |
656 | |||
657 | ; Read MAC address |
||
658 | |||
659 | call read_mac |
||
660 | |||
661 | ; Indicate that we have successfully reset the card |
||
662 | |||
663 | DEBUGF 2,"Done!\n" |
||
664 | xor eax, eax |
||
665 | |||
666 | ret |
||
667 | |||
668 | |||
669 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
670 | ;; ;; |
||
671 | ;; Transmit ;; |
||
672 | ;; ;; |
||
1254 | hidnplayr | 673 | ;; In: buffer pointer in [esp+4] ;; |
674 | ;; size of buffer in [esp+8] ;; |
||
1159 | hidnplayr | 675 | ;; pointer to device structure in ebx ;; |
676 | ;; ;; |
||
677 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
678 | |||
679 | align 4 |
||
680 | transmit: |
||
1254 | hidnplayr | 681 | DEBUGF 1,"Transmitting packet, buffer:%x, size:%u\n",[esp+4],[esp+8] |
682 | mov eax, [esp+4] |
||
1159 | hidnplayr | 683 | DEBUGF 1,"To: %x-%x-%x-%x-%x-%x From: %x-%x-%x-%x-%x-%x Type:%x%x\n",\ |
684 | [eax+00]:2,[eax+01]:2,[eax+02]:2,[eax+03]:2,[eax+04]:2,[eax+05]:2,\ |
||
685 | [eax+06]:2,[eax+07]:2,[eax+08]:2,[eax+09]:2,[eax+10]:2,[eax+11]:2,\ |
||
686 | [eax+13]:2,[eax+12]:2 |
||
687 | |||
1254 | hidnplayr | 688 | cmp dword [esp+8], MAX_ETH_FRAME_SIZE |
1159 | hidnplayr | 689 | jg .finish ; packet is too long |
1254 | hidnplayr | 690 | cmp dword [esp+8], 60 |
1159 | hidnplayr | 691 | jl .finish ; packet is too short |
692 | |||
693 | ; check descriptor |
||
1472 | hidnplayr | 694 | DEBUGF 1,"Checking descriptor, " |
695 | movzx ecx, [device.curr_tx_desc] |
||
696 | mov edx, [device.io_addr] |
||
1159 | hidnplayr | 697 | lea edx, [edx+ecx*4+REG_TSD0] |
698 | in ax, dx |
||
699 | test ax, 0x1fff ; or no size given |
||
700 | jz .send_packet |
||
701 | and ax, (1 shl BIT_TOK) or (1 shl BIT_OWN) |
||
702 | cmp ax, (1 shl BIT_TOK) or (1 shl BIT_OWN) |
||
703 | jz .send_packet |
||
704 | ; wait for timeout |
||
1472 | hidnplayr | 705 | DEBUGF 1,"Waiting for timeout, " |
1159 | hidnplayr | 706 | |
707 | push edx ebx ; TODO : rtl8139 internal timer should be used instead |
||
708 | stdcall Sleep, TX_TIMEOUT ; ? What registers does this destroy ? |
||
709 | pop ebx edx |
||
710 | |||
711 | in ax, dx |
||
712 | and ax, (1 shl BIT_TOK) or (1 shl BIT_OWN) |
||
713 | cmp ax, (1 shl BIT_TOK) or (1 shl BIT_OWN) |
||
714 | jz .send_packet ; if chip hung, reset it |
||
715 | push dx |
||
716 | call reset ; reset the card |
||
717 | pop dx |
||
718 | .send_packet: |
||
1472 | hidnplayr | 719 | DEBUGF 1,"Sending packet, " |
1159 | hidnplayr | 720 | |
721 | push edx |
||
1472 | hidnplayr | 722 | movzx eax, [device.curr_tx_desc] ; calculate the current tx_buffer address |
1159 | hidnplayr | 723 | mov edx, TX_BUF_SIZE ;MAX_ETH_FRAME_SIZE ; |
724 | mul edx ; |
||
1472 | hidnplayr | 725 | mov edi, [device.tx_buffer] ; |
1159 | hidnplayr | 726 | add edi, eax ; Store it in edi |
727 | pop edx |
||
728 | |||
1254 | hidnplayr | 729 | mov esi, [esp+4] ; Copy data to that address |
730 | mov ecx, [esp+8] ; |
||
1159 | hidnplayr | 731 | shr ecx, 2 ; |
732 | rep movsd ; |
||
1254 | hidnplayr | 733 | mov ecx, [esp+8] ; |
1159 | hidnplayr | 734 | and ecx, 3 ; |
735 | rep movsb ; |
||
736 | |||
1472 | hidnplayr | 737 | inc [device.packets_tx] ; |
1254 | hidnplayr | 738 | mov eax, [esp+8] ; Get packet size in eax |
1159 | hidnplayr | 739 | |
1472 | hidnplayr | 740 | add dword [device.bytes_tx], eax |
741 | adc dword [device.bytes_tx + 4], 0 |
||
1159 | hidnplayr | 742 | |
743 | ; 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) |
||
744 | out dx , eax ; |
||
745 | |||
746 | ; get next descriptor 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, ... |
||
1472 | hidnplayr | 747 | inc [device.curr_tx_desc] |
748 | and [device.curr_tx_desc], 3 |
||
1159 | hidnplayr | 749 | |
1472 | hidnplayr | 750 | DEBUGF 1," - Packet Sent! " |
1159 | hidnplayr | 751 | .finish: |
1472 | hidnplayr | 752 | DEBUGF 1," - Done!\n" |
1159 | hidnplayr | 753 | ret |
754 | |||
755 | |||
756 | |||
757 | |||
758 | |||
759 | ;;;;;;;;;;;;;;;;;;;;;;; |
||
760 | ;; ;; |
||
761 | ;; Interrupt handler ;; |
||
762 | ;; ;; |
||
763 | ;;;;;;;;;;;;;;;;;;;;;;; |
||
764 | |||
765 | align 4 |
||
766 | int_handler: |
||
767 | |||
768 | DEBUGF 1,"IRQ %x ",eax:2 ; no, you cant replace 'eax:2' with 'al', this must be a bug in FDO |
||
769 | |||
770 | ; find pointer of device wich made IRQ occur |
||
771 | |||
772 | mov esi, RTL8139_LIST |
||
773 | mov ecx, [RTL8139_DEV] |
||
1486 | hidnplayr | 774 | test ecx, ecx |
775 | jz .fail |
||
1159 | hidnplayr | 776 | .nextdevice: |
777 | mov ebx, dword [esi] |
||
778 | |||
1472 | hidnplayr | 779 | set_io 0 |
780 | set_io REG_ISR |
||
1159 | hidnplayr | 781 | in ax , dx |
782 | out dx , ax ; send it back to ACK |
||
783 | |||
784 | add esi, 4 |
||
785 | |||
786 | test ax , ax |
||
787 | jnz .got_it |
||
788 | |||
1486 | hidnplayr | 789 | dec ecx |
790 | jnz .nextdevice |
||
1159 | hidnplayr | 791 | |
792 | ret ; If no device was found, abort (The irq was probably for a device, not registered to this driver) |
||
793 | |||
794 | .got_it: |
||
795 | |||
796 | ; looks like we've found it! |
||
797 | |||
798 | ; Lets found out why the irq occured then.. |
||
799 | |||
800 | ;---------------------------------------------------- |
||
801 | ; Received packet ok? |
||
802 | |||
803 | test ax, ISR_ROK |
||
804 | jz @f |
||
805 | push ax |
||
806 | |||
807 | .receive: |
||
1472 | hidnplayr | 808 | set_io 0 |
809 | set_io REG_COMMAND |
||
810 | in al , dx |
||
1159 | hidnplayr | 811 | test al , BUFE ; test if RX buffer is empty |
812 | jnz .finish ; |
||
813 | |||
1472 | hidnplayr | 814 | DEBUGF 1,"RX: " |
1159 | hidnplayr | 815 | |
1472 | hidnplayr | 816 | mov eax, [device.rx_buffer] |
817 | add eax, [device.rx_data_offset] |
||
1159 | hidnplayr | 818 | test byte [eax], (1 shl BIT_ROK) ; check if packet is ok |
819 | jz .reset_rx |
||
1472 | hidnplayr | 820 | |
821 | ; packet is ok, copy it |
||
1159 | hidnplayr | 822 | movzx ecx, word [eax+2] ; packet length |
1472 | hidnplayr | 823 | |
824 | ; Update stats |
||
825 | add dword [device.bytes_rx], ecx |
||
826 | adc dword [device.bytes_rx + 4], 0 |
||
827 | inc dword [device.packets_rx] |
||
828 | |||
1159 | hidnplayr | 829 | sub ecx, 4 ; don't copy CRC |
1472 | hidnplayr | 830 | |
1159 | hidnplayr | 831 | DEBUGF 1,"Received %u bytes\n", ecx |
832 | |||
833 | push ebx eax ecx |
||
834 | stdcall KernelAlloc, ecx ; Allocate a buffer to put packet into |
||
835 | pop ecx |
||
836 | test eax, eax ; Test if we allocated succesfully |
||
1472 | hidnplayr | 837 | jz .abort |
1159 | hidnplayr | 838 | |
1472 | hidnplayr | 839 | |
840 | mov edi, eax ; Where we will copy too |
||
841 | |||
842 | mov esi, [esp] ; The buffer we will copy from |
||
1159 | hidnplayr | 843 | add esi, 4 ; Dont copy CRC |
844 | |||
845 | push dword .abort ; Kernel will return to this address after EthReceiver |
||
846 | push ecx edi ; Save buffer pointer and size, to pass to kernel |
||
847 | |||
1472 | hidnplayr | 848 | .copy: |
849 | shr ecx, 1 |
||
850 | jnc .nb |
||
851 | movsb |
||
852 | .nb: |
||
853 | shr ecx, 1 |
||
854 | jnc .nw |
||
855 | movsw |
||
856 | .nw: |
||
857 | jz .nd |
||
858 | rep movsd |
||
859 | .nd: |
||
1159 | hidnplayr | 860 | |
861 | jmp EthReceiver ; Send it to kernel |
||
862 | |||
1472 | hidnplayr | 863 | |
1159 | hidnplayr | 864 | .abort: |
865 | pop eax ebx |
||
866 | ; update eth_data_start_offset |
||
867 | movzx eax, word [eax+2] ; packet length |
||
1472 | hidnplayr | 868 | add eax, [device.rx_data_offset] |
1159 | hidnplayr | 869 | add eax, 4+3 ; packet header is 4 bytes long + dword alignment |
870 | and eax, not 3 ; dword alignment |
||
1472 | hidnplayr | 871 | |
1159 | hidnplayr | 872 | cmp eax, RX_BUFFER_SIZE |
873 | jl .no_wrap |
||
1472 | hidnplayr | 874 | DEBUGF 2,"Wrapping" |
1159 | hidnplayr | 875 | sub eax, RX_BUFFER_SIZE |
876 | .no_wrap: |
||
1472 | hidnplayr | 877 | mov [device.rx_data_offset], eax |
878 | DEBUGF 1,"New RX ptr: %d ", eax |
||
1159 | hidnplayr | 879 | |
1472 | hidnplayr | 880 | set_io 0 |
881 | set_io REG_CAPR ; update 'Current Address of Packet Read register' |
||
1159 | hidnplayr | 882 | sub eax, 0x10 ; value 0x10 is a constant for CAPR |
883 | out dx , ax |
||
884 | |||
885 | jmp .receive ; check for multiple packets |
||
886 | |||
887 | .reset_rx: |
||
888 | test byte [eax], (1 shl BIT_CRC) |
||
889 | jz .no_crc_error |
||
890 | DEBUGF 2,"\nCRC error!\n" |
||
891 | |||
892 | .no_crc_error: |
||
893 | test byte [eax], (1 shl BIT_FAE) |
||
894 | jz .no_fae_error |
||
895 | DEBUGF 1,"\nFrame alignment error!\n" |
||
896 | |||
897 | .no_fae_error: |
||
898 | DEBUGF 1,"Reset RX\n" |
||
899 | in al , dx ; read command register |
||
900 | push ax |
||
901 | |||
902 | and al , not (1 shl BIT_RE) ; Clear the RE bit |
||
903 | out dx , al |
||
904 | |||
905 | pop ax |
||
906 | out dx , al ; write original command back |
||
907 | |||
908 | add edx, REG_RXCONFIG - REG_COMMAND ; Restore RX configuration |
||
909 | mov ax , RX_CONFIG |
||
910 | out dx , ax |
||
911 | |||
912 | .finish: |
||
913 | pop ax |
||
914 | |||
915 | ;---------------------------------------------------- |
||
916 | ; Transmit error ? |
||
917 | |||
918 | @@: |
||
919 | test ax, ISR_TER |
||
920 | jz @f |
||
921 | |||
922 | push ax |
||
1472 | hidnplayr | 923 | cmp [device.curr_tx_desc], 4 |
1159 | hidnplayr | 924 | jz .notxd |
925 | |||
1472 | hidnplayr | 926 | set_io 0 |
927 | movzx ecx, [device.curr_tx_desc] |
||
1159 | hidnplayr | 928 | lea edx, [edx+ecx*4+REG_TSD0] |
929 | in eax, dx |
||
930 | |||
931 | .notxd: |
||
932 | test eax, TSR_TUN |
||
933 | jz .nobun |
||
1472 | hidnplayr | 934 | DEBUGF 2, "TX: FIFO Buffer underrun!\n" |
1159 | hidnplayr | 935 | |
936 | .nobun: |
||
937 | test eax, TSR_OWC |
||
938 | jz .noowc |
||
1472 | hidnplayr | 939 | DEBUGF 2, "TX: OWC!\n" |
1159 | hidnplayr | 940 | |
941 | .noowc: |
||
942 | test eax, TSR_TABT |
||
943 | jz .notabt |
||
1472 | hidnplayr | 944 | DEBUGF 2, "TX: TABT!\n" |
1159 | hidnplayr | 945 | |
946 | .notabt: |
||
947 | test eax, TSR_CRS |
||
948 | jz .nocsl |
||
1472 | hidnplayr | 949 | DEBUGF 2, "TX: Carrier Sense Lost!\n" |
1159 | hidnplayr | 950 | |
951 | .nocsl: |
||
952 | ; test eax, TSR_OWN or TSR_TOK |
||
953 | ; jz .nofd |
||
954 | ; DEBUGF 1, "TX: Transmit OK (desc: %u)\n", ecx |
||
955 | ; |
||
956 | ; .nofd: |
||
957 | pop ax |
||
958 | |||
959 | ;---------------------------------------------------- |
||
960 | ; Transmit ok ? |
||
961 | |||
962 | @@: |
||
963 | test ax, ISR_TOK |
||
964 | jz @f |
||
965 | |||
1472 | hidnplayr | 966 | DEBUGF 1, "TX: Transmit OK (desc: %u)\n", [device.curr_tx_desc]:1 |
1159 | hidnplayr | 967 | |
968 | ;---------------------------------------------------- |
||
969 | ; Rx buffer overflow ? |
||
970 | |||
971 | @@: |
||
972 | test ax, ISR_RXOVW |
||
973 | jz @f |
||
974 | |||
975 | push ax |
||
1472 | hidnplayr | 976 | DEBUGF 2,"RX-buffer overflow!\n" |
1159 | hidnplayr | 977 | |
1472 | hidnplayr | 978 | mov edx, [device.io_addr] |
1159 | hidnplayr | 979 | add edx, REG_ISR |
980 | mov ax , ISR_FIFOOVW or ISR_RXOVW |
||
981 | out dx , ax |
||
982 | pop ax |
||
983 | |||
984 | ;---------------------------------------------------- |
||
985 | ; Packet underrun? ? |
||
986 | |||
987 | |||
988 | @@: |
||
989 | test ax, ISR_PUN |
||
990 | jz @f |
||
991 | |||
1472 | hidnplayr | 992 | DEBUGF 2,"Packet underrun!\n" |
1159 | hidnplayr | 993 | |
994 | ;---------------------------------------------------- |
||
995 | ; Receive FIFO overflow ? |
||
996 | |||
997 | @@: |
||
998 | test ax, ISR_FIFOOVW |
||
999 | jz @f |
||
1000 | |||
1001 | push ax |
||
1002 | DEBUGF 2,"RX fifo overflox!\n" |
||
1003 | |||
1472 | hidnplayr | 1004 | mov edx, [device.io_addr] |
1159 | hidnplayr | 1005 | add edx, REG_ISR |
1006 | mov ax , ISR_FIFOOVW or ISR_RXOVW |
||
1007 | out dx , ax |
||
1008 | pop ax |
||
1009 | |||
1010 | ;---------------------------------------------------- |
||
1011 | ; Something about Cable changed ? |
||
1012 | |||
1013 | @@: |
||
1014 | test ax, ISR_LENCHG |
||
1015 | jz .fail |
||
1016 | |||
1017 | DEBUGF 2,"Cable changed!\n" |
||
1018 | call cable |
||
1019 | |||
1020 | ; If none of the above events happened, just exit clearing int |
||
1021 | |||
1022 | .fail: |
||
1023 | |||
1472 | hidnplayr | 1024 | DEBUGF 1,"\n" |
1159 | hidnplayr | 1025 | ret |
1026 | |||
1027 | |||
1028 | |||
1029 | |||
1030 | ;;;;;;;;;;;;;;;;;;;;;;;;; |
||
1031 | ;; ;; |
||
1032 | ;; Update Cable status ;; |
||
1033 | ;; ;; |
||
1034 | ;;;;;;;;;;;;;;;;;;;;;;;;; |
||
1035 | |||
1036 | align 4 |
||
1037 | cable: |
||
1038 | DEBUGF 1,"Checking Cable status: " |
||
1039 | |||
1472 | hidnplayr | 1040 | mov edx, dword [device.io_addr] |
1159 | hidnplayr | 1041 | add edx, REG_MSR |
1042 | in al , dx |
||
1043 | |||
1044 | ; test al , 1 SHL 2 ; 0 = link ok 1 = link fail |
||
1045 | ; jnz .notconnected |
||
1046 | |||
1047 | ; test al , 1 SHL 3 ; 0 = 100 Mbps 1 = 10 Mbps |
||
1048 | ; jnz .10mbps |
||
1049 | |||
1050 | shr al, 2 |
||
1051 | and al, 3 |
||
1052 | |||
1472 | hidnplayr | 1053 | mov byte [device.mode+3], al |
1159 | hidnplayr | 1054 | DEBUGF 1,"Done!\n" |
1055 | ret |
||
1056 | |||
1057 | |||
1058 | |||
1059 | ;;;;;;;;;;;;;;;;;;;;;;; |
||
1060 | ;; ;; |
||
1061 | ;; Write MAC address ;; |
||
1062 | ;; ;; |
||
1063 | ;;;;;;;;;;;;;;;;;;;;;;; |
||
1064 | |||
1065 | align 4 |
||
1066 | write_mac: ; in: mac pushed onto stack (as 3 words) |
||
1067 | |||
1472 | hidnplayr | 1068 | DEBUGF 2,"Writing MAC: " |
1159 | hidnplayr | 1069 | |
1070 | ; disable all in command registers |
||
1071 | |||
1472 | hidnplayr | 1072 | set_io 0 |
1073 | set_io REG_9346CR |
||
1159 | hidnplayr | 1074 | xor eax, eax |
1075 | out dx , al |
||
1076 | |||
1472 | hidnplayr | 1077 | set_io REG_IMR |
1159 | hidnplayr | 1078 | xor eax, eax |
1079 | out dx , ax |
||
1080 | |||
1472 | hidnplayr | 1081 | set_io REG_ISR |
1159 | hidnplayr | 1082 | mov eax, -1 |
1083 | out dx , ax |
||
1084 | |||
1085 | ; enable writing |
||
1086 | |||
1472 | hidnplayr | 1087 | set_io REG_9346CR |
1159 | hidnplayr | 1088 | mov eax, REG_9346CR_WE |
1089 | out dx , al |
||
1090 | |||
1091 | ; write the mac ... |
||
1092 | |||
1472 | hidnplayr | 1093 | set_io REG_IDR0 |
1159 | hidnplayr | 1094 | pop eax |
1095 | out dx , eax |
||
1096 | |||
1472 | hidnplayr | 1097 | set_io REG_IDR0+4 |
1159 | hidnplayr | 1098 | xor eax, eax |
1099 | pop ax |
||
1100 | out dx , eax |
||
1101 | |||
1102 | ; disable writing |
||
1103 | |||
1472 | hidnplayr | 1104 | set_io REG_9346CR |
1159 | hidnplayr | 1105 | xor eax, eax |
1106 | out dx , al |
||
1107 | |||
1472 | hidnplayr | 1108 | DEBUGF 2,"ok!\n" |
1159 | hidnplayr | 1109 | |
1110 | ; Notice this procedure does not ret, but continues to read_mac instead. |
||
1111 | |||
1112 | |||
1113 | ;;;;;;;;;;;;;;;;;;;;;; |
||
1114 | ;; ;; |
||
1115 | ;; Read MAC address ;; |
||
1116 | ;; ;; |
||
1117 | ;;;;;;;;;;;;;;;;;;;;;; |
||
1118 | |||
1119 | read_mac: |
||
1472 | hidnplayr | 1120 | DEBUGF 2,"Reading MAC: " |
1159 | hidnplayr | 1121 | |
1472 | hidnplayr | 1122 | set_io 0 |
1123 | lea edi, [device.mac] |
||
1177 | clevermous | 1124 | in eax, dx |
1159 | hidnplayr | 1125 | stosd |
1177 | clevermous | 1126 | add edx, 4 |
1173 | clevermous | 1127 | in ax, dx |
1159 | hidnplayr | 1128 | stosw |
1129 | |||
1472 | hidnplayr | 1130 | DEBUGF 2,"%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 |
1173 | clevermous | 1131 | |
1159 | hidnplayr | 1132 | ret |
1133 | |||
1134 | |||
1135 | |||
1136 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
1137 | ;; ;; |
||
1138 | ;; Read eeprom (type 93c46 and 93c56) ;; |
||
1139 | ;; ;; |
||
1140 | ;; In: word to be read in al (6bit in case of 93c46 and 8bit otherwise) ;; |
||
1141 | ;; pointer to device structure in ebx ;; |
||
1142 | ;; ;; |
||
1143 | ;; OUT: word read in ax ;; |
||
1144 | ;; ;; |
||
1145 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
1146 | |||
1147 | align 4 |
||
1148 | read_eeprom: |
||
1149 | DEBUGF 2,"Reading eeprom, " |
||
1150 | |||
1472 | hidnplayr | 1151 | set_io 0 |
1159 | hidnplayr | 1152 | push ebx |
1153 | movzx ebx, al |
||
1472 | hidnplayr | 1154 | set_io REG_RXCONFIG |
1159 | hidnplayr | 1155 | in al, dx |
1156 | test al, (1 shl BIT_9356SEL) |
||
1157 | jz .type_93c46 |
||
1158 | ; and bl, 01111111b ; don't care first bit |
||
1159 | or bx, EE_93C56_READ_CMD ; it contains start bit |
||
1160 | mov cx, EE_93C56_CMD_LENGTH-1 ; cmd_loop counter |
||
1161 | jmp .read_eeprom |
||
1162 | .type_93c46: |
||
1163 | and bl, 00111111b |
||
1164 | or bx, EE_93C46_READ_CMD ; it contains start bit |
||
1165 | mov cx, EE_93C46_CMD_LENGTH-1 ; cmd_loop counter |
||
1166 | .read_eeprom: |
||
1472 | hidnplayr | 1167 | set_io REG_9346CR |
1159 | hidnplayr | 1168 | ; mov al, (1 shl BIT_93C46_EEM1) |
1169 | ; out dx, al |
||
1170 | mov al, (1 shl BIT_93C46_EEM1) or (1 shl BIT_93C46_EECS) ; wake up the eeprom |
||
1171 | out dx, al |
||
1172 | .cmd_loop: |
||
1173 | mov al, (1 shl BIT_93C46_EEM1) or (1 shl BIT_93C46_EECS) |
||
1174 | bt bx, cx |
||
1175 | jnc .zero_bit |
||
1176 | or al, (1 shl BIT_93C46_EEDI) |
||
1177 | .zero_bit: |
||
1178 | out dx, al |
||
1179 | ; push eax |
||
1180 | ; in eax, dx ; eeprom delay |
||
1181 | ; pop eax |
||
1182 | or al, (1 shl BIT_93C46_EESK) |
||
1183 | out dx, al |
||
1184 | ; in eax, dx ; eeprom delay |
||
1185 | dec cx |
||
1186 | jns .cmd_loop |
||
1187 | ; in eax, dx ; eeprom delay |
||
1188 | mov al, (1 shl BIT_93C46_EEM1) or (1 shl BIT_93C46_EECS) |
||
1189 | out dx, al |
||
1190 | mov cl, 0xf |
||
1191 | .read_loop: |
||
1192 | shl ebx, 1 |
||
1193 | mov al, (1 shl BIT_93C46_EEM1) or (1 shl BIT_93C46_EECS) or (1 shl BIT_93C46_EESK) |
||
1194 | out dx, al |
||
1195 | ; in eax, dx ; eeprom delay |
||
1196 | in al, dx |
||
1197 | and al, (1 shl BIT_93C46_EEDO) |
||
1198 | jz .dont_set |
||
1199 | inc ebx |
||
1200 | .dont_set: |
||
1201 | mov al, (1 shl BIT_93C46_EEM1) or (1 shl BIT_93C46_EECS) |
||
1202 | out dx, al |
||
1203 | ; in eax, dx ; eeprom delay |
||
1204 | dec cl |
||
1205 | jns .read_loop |
||
1206 | xor al, al |
||
1207 | out dx, al |
||
1208 | mov ax, bx |
||
1209 | pop ebx |
||
1210 | |||
1211 | ret |
||
1212 | |||
1213 | |||
1214 | ; End of code |
||
1215 | |||
1216 | align 4 ; Place all initialised data here |
||
1217 | |||
1218 | RTL8139_DEV dd 0 |
||
1219 | version dd (5 shl 16) or (API_VERSION and 0xFFFF) |
||
1220 | my_service db 'RTL8139',0 ; max 16 chars include zero |
||
1221 | |||
1178 | hidnplayr | 1222 | device_1 db 'Realtek 8139',0 |
1223 | device_2 db 'Realtek 8139A',0 |
||
1224 | device_3 db 'Realtek 8139B',0 |
||
1225 | device_4 db 'Realtek 8139C',0 |
||
1226 | device_5 db 'Realtek 8100',0 |
||
1227 | device_6 db 'Realtek 8139D',0 |
||
1228 | device_7 db 'Realtek 8139CP',0 |
||
1229 | device_8 db 'Realtek 8101',0 |
||
1514 | hidnplayr | 1230 | device_unknown db 'Unknown RTL8139 clone', 0 |
1178 | hidnplayr | 1231 | |
1472 | hidnplayr | 1232 | crosslist dd device_1 |
1233 | dd device_2 |
||
1234 | dd device_3 |
||
1235 | dd device_4 |
||
1236 | dd device_5 |
||
1237 | dd device_6 |
||
1238 | dd device_7 |
||
1239 | dd device_8 |
||
1514 | hidnplayr | 1240 | dd device_unknown |
1178 | hidnplayr | 1241 | |
1159 | hidnplayr | 1242 | 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 |
1243 | db VER_RTL8139A |
||
1244 | db VER_RTL8139B |
||
1245 | db VER_RTL8139C |
||
1246 | db VER_RTL8100 |
||
1247 | db VER_RTL8139D |
||
1248 | db VER_RTL8139CP |
||
1249 | db VER_RTL8101 |
||
1514 | hidnplayr | 1250 | db 0 |
1159 | hidnplayr | 1251 | |
1252 | HW_VER_ARRAY_SIZE = $-hw_ver_array |
||
1253 | |||
1254 | include_debug_strings ; All data wich FDO uses will be included here |
||
1255 | |||
1256 | section '.data' data readable writable align 16 ; place all uninitialized data place here |
||
1257 | |||
1258 | RTL8139_LIST rd MAX_RTL8139 ; This list contains all pointers to device structures the driver is handling> |
||
1259 |