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Rev | Author | Line No. | Line |
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3545 | hidnplayr | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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3 | ;; Copyright (C) KolibriOS team 2004-2013. All rights reserved. ;; |
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4 | ;; Distributed under terms of the GNU General Public License ;; |
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5 | ;; ;; |
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6 | ;; i8255x (Intel eepro 100) 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 | ;; GNU GENERAL PUBLIC LICENSE ;; |
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11 | ;; Version 2, June 1991 ;; |
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12 | ;; ;; |
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13 | ;; Some parts of this driver are based on the code of eepro100.c ;; |
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14 | ;; from linux. ;; |
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15 | ;; ;; |
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16 | ;; Intel's programming manual for i8255x: ;; |
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17 | ;; http://www.intel.com/design/network/manuals/8255x_opensdm.htm ;; |
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18 | ;; ;; |
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19 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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20 | |||
21 | ; TODO: use separate descriptors in memory instead of placing them in front of packets! |
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22 | |||
23 | |||
24 | format MS COFF |
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25 | |||
26 | API_VERSION = 0x01000100 |
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27 | DRIVER_VERSION = 5 |
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28 | |||
29 | MAX_DEVICES = 16 |
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30 | |||
31 | DEBUG = 1 |
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32 | __DEBUG__ = 1 |
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3845 | hidnplayr | 33 | __DEBUG_LEVEL__ = 2 ; 1 = verbose, 2 = errors only |
3545 | hidnplayr | 34 | |
35 | include '../proc32.inc' |
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36 | include '../imports.inc' |
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37 | include '../fdo.inc' |
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38 | include '../netdrv.inc' |
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39 | |||
40 | public START |
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41 | public service_proc |
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42 | public version |
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43 | |||
44 | virtual at ebx |
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45 | |||
46 | device: |
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47 | |||
48 | ETH_DEVICE |
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49 | |||
50 | .io_addr dd ? |
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51 | .pci_bus dd ? |
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52 | .pci_dev dd ? |
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53 | .irq_line db ? |
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54 | |||
55 | .rx_desc dd ? |
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56 | |||
57 | .ee_bus_width db ? |
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58 | |||
59 | rb 0x100 - (($ - device) and 0xff) |
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60 | |||
61 | txfd: |
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62 | .status dw ? |
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63 | .command dw ? |
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64 | .link dd ? |
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65 | .tx_desc_addr dd ? |
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66 | .count dd ? |
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67 | |||
68 | .tx_buf_addr0 dd ? |
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69 | .tx_buf_size0 dd ? |
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70 | |||
71 | rb 0x100 - (($ - device) and 0xff) |
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72 | |||
73 | confcmd: |
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74 | .status dw ? |
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75 | .command dw ? |
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76 | .link dd ? |
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77 | .data rb 64 |
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78 | |||
79 | rb 0x100 - (($ - device) and 0xff) |
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80 | |||
81 | lstats: |
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82 | tx_good_frames dd ? |
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83 | tx_coll16_errs dd ? |
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84 | tx_late_colls dd ? |
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85 | tx_underruns dd ? |
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86 | tx_lost_carrier dd ? |
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87 | tx_deferred dd ? |
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88 | tx_one_colls dd ? |
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89 | tx_multi_colls dd ? |
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90 | tx_total_colls dd ? |
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91 | |||
92 | rx_good_frames dd ? |
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93 | rx_crc_errs dd ? |
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94 | rx_align_errs dd ? |
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95 | rx_resource_errs dd ? |
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96 | rx_overrun_errs dd ? |
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97 | rx_colls_errs dd ? |
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98 | rx_runt_errs dd ? |
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99 | |||
100 | last_tx_buffer dd ? ;;; fixme |
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101 | |||
102 | sizeof.device_struct = $ - device |
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103 | |||
104 | end virtual |
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105 | |||
106 | |||
107 | virtual at 0 |
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108 | |||
109 | rxfd: |
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110 | .status dw ? |
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111 | .command dw ? |
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112 | .link dd ? |
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113 | .rx_buf_addr dd ? |
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114 | .count dw ? |
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115 | .size dw ? |
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116 | .packet: |
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117 | |||
118 | end virtual |
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119 | |||
120 | |||
121 | ; Serial EEPROM |
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122 | |||
123 | EE_SK = 1 shl 0 ; serial clock |
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124 | EE_CS = 1 shl 1 ; chip select |
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125 | EE_DI = 1 shl 2 ; data in |
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126 | EE_DO = 1 shl 3 ; data out |
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127 | EE_MASK = EE_SK + EE_CS + EE_DI + EE_DO |
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128 | |||
129 | ; opcodes, first bit is start bit and must be 1 |
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130 | EE_READ = 110b |
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131 | EE_WRITE = 101b |
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132 | EE_ERASE = 111b |
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133 | |||
134 | ; The SCB accepts the following controls for the Tx and Rx units: |
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135 | |||
136 | CU_START = 0x0010 |
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137 | CU_RESUME = 0x0020 |
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138 | CU_STATSADDR = 0x0040 |
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139 | CU_SHOWSTATS = 0x0050 ; Dump statistics counters. |
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140 | CU_CMD_BASE = 0x0060 ; Base address to add CU commands. |
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141 | CU_DUMPSTATS = 0x0070 ; Dump then reset stats counters. |
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142 | |||
143 | RX_START = 0x0001 |
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144 | RX_RESUME = 0x0002 |
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145 | RX_ABORT = 0x0004 |
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146 | RX_ADDR_LOAD = 0x0006 |
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147 | RX_RESUMENR = 0x0007 |
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148 | INT_MASK = 0x0100 |
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149 | DRVR_INT = 0x0200 ; Driver generated interrupt |
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150 | |||
151 | CmdIASetup = 0x0001 |
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152 | CmdConfigure = 0x0002 |
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153 | CmdTx = 0x0004 |
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154 | CmdTxFlex = 0x0008 |
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155 | Cmdsuspend = 0x4000 |
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156 | |||
157 | |||
158 | reg_scb_status = 0 |
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159 | reg_scb_cmd = 2 |
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160 | reg_scb_ptr = 4 |
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161 | reg_port = 8 |
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162 | reg_eeprom = 14 |
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163 | reg_mdi_ctrl = 16 |
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164 | |||
165 | |||
166 | macro delay { |
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167 | push eax |
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168 | in ax, dx |
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169 | in ax, dx |
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170 | in ax, dx |
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171 | in ax, dx |
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172 | in ax, dx |
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173 | in ax, dx |
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174 | in ax, dx |
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175 | in ax, dx |
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176 | in ax, dx |
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177 | in ax, dx |
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178 | pop eax |
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179 | } |
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180 | |||
181 | section '.flat' code readable align 16 |
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182 | |||
183 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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184 | ;; ;; |
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185 | ;; proc START ;; |
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186 | ;; ;; |
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187 | ;; (standard driver proc) ;; |
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188 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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189 | |||
190 | proc START stdcall, state:dword |
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191 | |||
192 | cmp [state], 1 |
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193 | jne .exit |
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194 | |||
195 | .entry: |
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196 | |||
3845 | hidnplayr | 197 | DEBUGF 1,"Loading driver\n" |
3545 | hidnplayr | 198 | stdcall RegService, my_service, service_proc |
199 | ret |
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200 | |||
201 | .fail: |
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202 | .exit: |
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203 | xor eax, eax |
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204 | ret |
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205 | |||
206 | endp |
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207 | |||
208 | |||
209 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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210 | ;; ;; |
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211 | ;; proc SERVICE_PROC ;; |
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212 | ;; ;; |
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213 | ;; (standard driver proc) ;; |
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214 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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215 | |||
216 | align 4 |
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217 | proc service_proc stdcall, ioctl:dword |
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218 | |||
219 | mov edx, [ioctl] |
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220 | mov eax, [IOCTL.io_code] |
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221 | |||
222 | ;------------------------------------------------------ |
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223 | |||
224 | cmp eax, 0 ;SRV_GETVERSION |
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225 | jne @F |
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226 | |||
227 | cmp [IOCTL.out_size], 4 |
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228 | jb .fail |
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229 | mov eax, [IOCTL.output] |
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230 | mov [eax], dword API_VERSION |
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231 | |||
232 | xor eax, eax |
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233 | ret |
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234 | |||
235 | ;------------------------------------------------------ |
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236 | @@: |
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237 | cmp eax, 1 ;SRV_HOOK |
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238 | jne .fail |
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239 | |||
240 | cmp [IOCTL.inp_size], 3 ; Data input must be at least 3 bytes |
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241 | jb .fail |
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242 | |||
243 | mov eax, [IOCTL.input] |
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244 | cmp byte [eax], 1 ; 1 means device number and bus number (pci) are given |
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245 | jne .fail ; other types arent supported for this card yet |
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246 | |||
247 | ; check if the device is already listed |
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248 | |||
249 | mov esi, device_list |
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250 | mov ecx, [devices] |
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251 | test ecx, ecx |
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252 | jz .firstdevice |
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253 | |||
254 | ; mov eax, [IOCTL.input] ; get the pci bus and device numbers |
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255 | mov ax , [eax+1] ; |
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256 | .nextdevice: |
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257 | mov ebx, [esi] |
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258 | cmp al, byte[device.pci_bus] |
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259 | jne @f |
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260 | cmp ah, byte[device.pci_dev] |
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261 | je .find_devicenum ; Device is already loaded, let's find it's device number |
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262 | @@: |
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263 | add esi, 4 |
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264 | loop .nextdevice |
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265 | |||
266 | |||
267 | ; This device doesnt have its own eth_device structure yet, lets create one |
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268 | .firstdevice: |
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269 | cmp [devices], MAX_DEVICES ; First check if the driver can handle one more card |
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270 | jae .fail |
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271 | |||
272 | allocate_and_clear ebx, sizeof.device_struct, .fail ; Allocate the buffer for device structure |
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273 | |||
274 | ; Fill in the direct call addresses into the struct |
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275 | |||
276 | mov [device.reset], reset |
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277 | mov [device.transmit], transmit |
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278 | mov [device.unload], unload |
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279 | mov [device.name], my_service |
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280 | |||
281 | ; save the pci bus and device numbers |
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282 | |||
283 | mov eax, [IOCTL.input] |
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284 | movzx ecx, byte[eax+1] |
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285 | mov [device.pci_bus], ecx |
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286 | movzx ecx, byte[eax+2] |
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287 | mov [device.pci_dev], ecx |
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288 | |||
289 | ; Now, it's time to find the base io addres of the PCI device |
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290 | |||
291 | PCI_find_io |
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292 | |||
293 | ; We've found the io address, find IRQ now |
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294 | |||
295 | PCI_find_irq |
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296 | |||
3845 | hidnplayr | 297 | DEBUGF 1,"Hooking into device, dev:%x, bus:%x, irq:%x, addr:%x\n",\ |
3545 | hidnplayr | 298 | [device.pci_dev]:1,[device.pci_bus]:1,[device.irq_line]:1,[device.io_addr]:4 |
299 | |||
300 | ; Ok, the eth_device structure is ready, let's probe the device |
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301 | |||
302 | pushf |
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303 | cli ; disable ints until initialisation is done |
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304 | |||
305 | call probe ; this function will output in eax |
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306 | test eax, eax |
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307 | jnz .err ; If an error occured, exit |
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308 | |||
309 | mov eax, [devices] ; Add the device structure to our device list |
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310 | mov [device_list+4*eax], ebx ; (IRQ handler uses this list to find device) |
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311 | inc [devices] ; |
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312 | |||
313 | popf |
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314 | |||
315 | mov [device.type], NET_TYPE_ETH |
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316 | call NetRegDev |
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317 | |||
318 | cmp eax, -1 |
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319 | je .err |
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320 | |||
321 | ret |
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322 | |||
323 | ; If the device was already loaded, find the device number and return it in eax |
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324 | |||
325 | .find_devicenum: |
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326 | DEBUGF 2,"Trying to find device number of already registered device\n" |
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327 | call NetPtrToNum ; This kernel procedure converts a pointer to device struct in ebx |
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328 | ; into a device number in edi |
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329 | mov eax, edi ; Application wants it in eax instead |
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330 | DEBUGF 2,"Kernel says: %u\n", eax |
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331 | ret |
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332 | |||
333 | ; If an error occured, remove all allocated data and exit (returning -1 in eax) |
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334 | |||
335 | .err: |
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336 | stdcall KernelFree, ebx |
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337 | |||
338 | .fail: |
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339 | or eax, -1 |
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340 | ret |
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341 | |||
342 | ;------------------------------------------------------ |
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343 | endp |
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344 | |||
345 | |||
346 | |||
347 | |||
348 | |||
349 | ;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;; |
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350 | ;; ;; |
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351 | ;; Actual Hardware dependent code starts here ;; |
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352 | ;; ;; |
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353 | ;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;; |
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354 | |||
355 | |||
356 | unload: |
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357 | ; TODO: (in this particular order) |
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358 | ; |
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359 | ; - Stop the device |
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360 | ; - Detach int handler |
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361 | ; - Remove device from local list (device_list) |
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362 | ; - call unregister function in kernel |
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363 | ; - Remove all allocated structures and buffers the card used |
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364 | |||
365 | or eax,-1 |
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366 | |||
367 | ret |
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368 | |||
369 | |||
370 | ;------------- |
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371 | ; |
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372 | ; Probe |
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373 | ; |
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374 | ;------------- |
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375 | |||
376 | align 4 |
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377 | probe: |
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378 | |||
3845 | hidnplayr | 379 | DEBUGF 1,"Probing\n" |
3545 | hidnplayr | 380 | |
381 | PCI_make_bus_master |
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382 | |||
383 | ;--------------------------- |
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384 | ; First, identify the device |
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385 | |||
386 | stdcall PciRead32, [device.pci_bus], [device.pci_dev], PCI_VENDOR_ID ; get device/vendor id |
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387 | |||
388 | DEBUGF 1,"Vendor_id=0x%x\n", ax |
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389 | |||
390 | cmp ax, 0x8086 |
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391 | jne .notfound |
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392 | shr eax, 16 |
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393 | |||
394 | DEBUGF 1,"Device_id=0x%x\n", ax |
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395 | |||
396 | mov ecx, DEVICE_IDs |
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397 | mov edi, device_id_list |
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398 | repne scasw |
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399 | jne .notfound |
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400 | jmp .found |
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401 | |||
402 | .notfound: |
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3845 | hidnplayr | 403 | DEBUGF 2,"Unsupported device!\n" |
3545 | hidnplayr | 404 | or eax, -1 |
405 | ret |
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406 | |||
407 | .found: |
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408 | |||
409 | call ee_get_width |
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410 | call MAC_read_eeprom |
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411 | |||
412 | ;;; TODO: detect phy |
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413 | |||
414 | |||
415 | |||
416 | ;---------- |
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417 | ; |
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418 | ; Reset |
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419 | ; |
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420 | ;---------- |
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421 | |||
422 | align 4 |
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423 | reset: |
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424 | |||
425 | movzx eax, [device.irq_line] |
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426 | DEBUGF 1,"Attaching int handler to irq %x\n", eax:1 |
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427 | stdcall AttachIntHandler, eax, int_handler, dword 0 |
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428 | test eax, eax |
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429 | jnz @f |
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3845 | hidnplayr | 430 | DEBUGF 2,"Could not attach int handler!\n" |
3545 | hidnplayr | 431 | ; or eax, -1 |
432 | ; ret |
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433 | @@: |
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434 | |||
3845 | hidnplayr | 435 | DEBUGF 1,"Resetting\n" |
3545 | hidnplayr | 436 | |
437 | ;--------------- |
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438 | ; reset the card |
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439 | |||
440 | set_io 0 |
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441 | set_io reg_port |
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442 | xor eax, eax ; Software Reset |
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443 | out dx, eax |
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444 | |||
445 | mov esi, 10 |
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446 | call Sleep ; Give the card time to warm up. |
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447 | |||
448 | ;--------------------------------- |
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449 | ; Tell device where to store stats |
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450 | |||
451 | lea eax, [lstats] |
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452 | GetRealAddr |
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453 | set_io 0 |
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454 | set_io reg_scb_ptr |
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455 | out dx, eax |
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456 | |||
457 | mov ax, INT_MASK + CU_STATSADDR |
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458 | set_io reg_scb_cmd |
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459 | out dx, ax |
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460 | call cmd_wait |
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461 | |||
462 | ;----------------- |
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463 | ; setup RX |
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464 | |||
465 | set_io reg_scb_ptr |
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466 | xor eax, eax |
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467 | out dx, eax |
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468 | |||
469 | set_io reg_scb_cmd |
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470 | mov ax, INT_MASK + RX_ADDR_LOAD |
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471 | out dx, ax |
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472 | call cmd_wait |
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473 | |||
474 | ;----------------------------- |
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475 | ; Create RX and TX descriptors |
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476 | |||
477 | call create_ring |
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478 | |||
479 | ; RX start |
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480 | |||
481 | set_io 0 |
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482 | set_io reg_scb_ptr |
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483 | mov eax, [device.rx_desc] |
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484 | GetRealAddr |
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485 | out dx, eax |
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486 | |||
487 | mov ax, INT_MASK + RX_START |
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488 | set_io reg_scb_cmd |
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489 | out dx, ax |
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490 | call cmd_wait |
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491 | |||
492 | ; Set-up TX |
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493 | |||
494 | set_io reg_scb_ptr |
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495 | xor eax, eax |
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496 | out dx, eax |
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497 | |||
498 | set_io reg_scb_cmd |
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499 | mov ax, INT_MASK + CU_CMD_BASE |
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500 | out dx, ax |
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501 | call cmd_wait |
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502 | |||
503 | ; -------------------- |
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504 | |||
505 | mov [confcmd.command], CmdConfigure + Cmdsuspend |
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506 | mov [confcmd.status], 0 |
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507 | lea eax, [txfd] |
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508 | GetRealAddr |
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509 | mov [confcmd.link], eax |
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510 | |||
511 | mov esi, confcmd_data |
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512 | lea edi, [confcmd.data] |
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513 | mov ecx, 22 |
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514 | rep movsb |
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515 | |||
516 | mov byte[confcmd.data + 1], 0x88 ; fifo of 8 each |
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517 | mov byte[confcmd.data + 4], 0 |
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518 | mov byte[confcmd.data + 5], 0x80 |
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519 | mov byte[confcmd.data + 15], 0x48 |
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520 | mov byte[confcmd.data + 19], 0x80 |
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521 | mov byte[confcmd.data + 21], 0x05 |
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522 | |||
523 | mov [txfd.command], CmdIASetup |
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524 | mov [txfd.status], 0 |
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525 | lea eax, [confcmd] |
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526 | GetRealAddr |
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527 | mov [txfd.link], eax |
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528 | |||
529 | ;;; copy in our MAC |
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530 | |||
531 | lea edi, [txfd.tx_desc_addr] |
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532 | lea esi, [device.mac] |
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533 | movsd |
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534 | movsw |
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535 | |||
536 | set_io reg_scb_ptr |
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537 | lea eax, [txfd] |
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538 | GetRealAddr |
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539 | out dx, eax |
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540 | |||
541 | ; Start CU & enable ints |
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542 | |||
543 | set_io reg_scb_cmd |
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544 | mov ax, CU_START |
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545 | out dx, ax |
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546 | call cmd_wait |
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547 | |||
548 | ;----------------------- |
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549 | ; build txfd structure (again!) |
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550 | |||
551 | lea eax, [txfd] |
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552 | GetRealAddr |
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553 | mov [txfd.link], eax |
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554 | mov [txfd.count], 0x02208000 |
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555 | lea eax, [txfd.tx_buf_addr0] |
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556 | GetRealAddr |
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557 | mov [txfd.tx_desc_addr], eax |
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558 | |||
559 | ; Indicate that we have successfully reset the card |
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560 | |||
3845 | hidnplayr | 561 | DEBUGF 1,"Reset complete\n" |
3545 | hidnplayr | 562 | |
563 | mov [device.mtu], 1514 |
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564 | |||
565 | ; Set link state to unknown |
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566 | mov [device.state], ETH_LINK_UNKOWN |
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567 | |||
568 | xor eax, eax ; indicate that we have successfully reset the card |
||
569 | ret |
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570 | |||
571 | |||
572 | align 4 |
||
573 | create_ring: |
||
574 | |||
575 | DEBUGF 1,"Creating ring\n" |
||
576 | |||
577 | ;--------------------- |
||
578 | ; build rxfd structure |
||
579 | |||
580 | stdcall KernelAlloc, 2000 |
||
581 | mov [device.rx_desc], eax |
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582 | mov esi, eax |
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583 | GetRealAddr |
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584 | mov [esi + rxfd.status], 0x0000 |
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585 | mov [esi + rxfd.command], 0x0000 |
||
586 | mov [esi + rxfd.link], eax |
||
587 | mov [esi + rxfd.count], 0 |
||
588 | mov [esi + rxfd.size], 1528 |
||
589 | |||
590 | ;----------------------- |
||
591 | ; build txfd structure |
||
592 | |||
593 | lea eax, [txfd] |
||
594 | GetRealAddr |
||
595 | mov [txfd.link], eax |
||
596 | mov [txfd.count], 0x02208000 |
||
597 | lea eax, [txfd.tx_buf_addr0] |
||
598 | GetRealAddr |
||
599 | mov [txfd.tx_desc_addr], eax |
||
600 | |||
601 | ret |
||
602 | |||
603 | |||
604 | |||
605 | |||
606 | |||
607 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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608 | ;; ;; |
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609 | ;; Transmit ;; |
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610 | ;; ;; |
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611 | ;; In: buffer pointer in [esp+4] ;; |
||
612 | ;; size of buffer in [esp+8] ;; |
||
613 | ;; pointer to device structure in ebx ;; |
||
614 | ;; ;; |
||
615 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
616 | |||
617 | align 4 |
||
618 | transmit: |
||
619 | |||
620 | DEBUGF 1,"Transmitting packet, buffer:%x, size:%u\n", [esp+4], [esp+8] |
||
621 | mov eax, [esp+4] |
||
622 | DEBUGF 1,"To: %x-%x-%x-%x-%x-%x From: %x-%x-%x-%x-%x-%x Type:%x%x\n",\ |
||
623 | [eax+00]:2,[eax+01]:2,[eax+02]:2,[eax+03]:2,[eax+04]:2,[eax+05]:2,\ |
||
624 | [eax+06]:2,[eax+07]:2,[eax+08]:2,[eax+09]:2,[eax+10]:2,[eax+11]:2,\ |
||
625 | [eax+13]:2,[eax+12]:2 |
||
626 | |||
627 | cmp dword [esp+8], 1514 |
||
628 | ja .error ; packet is too long |
||
629 | cmp dword [esp+8], 60 |
||
630 | jb .error ; packet is too short |
||
631 | |||
632 | ;;; TODO: check if current descriptor is in use |
||
633 | ; fill in buffer address and size |
||
634 | mov eax, [esp+4] |
||
635 | mov [last_tx_buffer], eax ;;; FIXME |
||
636 | GetRealAddr |
||
637 | mov [txfd.tx_buf_addr0], eax |
||
638 | mov eax, [esp+8] |
||
639 | mov [txfd.tx_buf_size0], eax |
||
640 | |||
641 | mov [txfd.status], 0 |
||
642 | mov [txfd.command], Cmdsuspend + CmdTx + CmdTxFlex + 1 shl 15 ;;; EL bit |
||
643 | |||
644 | ; mov [txfd.count], 0x02208000 ;;;;;;;;;;; |
||
645 | |||
646 | ; Inform device of the new/updated transmit descriptor |
||
647 | lea eax, [txfd] |
||
648 | GetRealAddr |
||
649 | set_io 0 |
||
650 | set_io reg_scb_ptr |
||
651 | out dx, eax |
||
652 | |||
653 | ; Start the transmit |
||
654 | mov ax, CU_START |
||
655 | set_io reg_scb_cmd |
||
656 | out dx, ax |
||
657 | call cmd_wait |
||
658 | |||
659 | ; set_io 0 ;; why? |
||
660 | ; in ax, dx ;; |
||
661 | ; |
||
662 | ; @@: |
||
663 | ; cmp [txfd.status], 0 ; wait for completion? dont seems a good idea to me.. |
||
664 | ; je @r |
||
665 | ; |
||
666 | ; set_io 0 ;; why? |
||
667 | ; in ax, dx ;; |
||
668 | |||
669 | ; Update stats |
||
670 | inc [device.packets_tx] |
||
671 | mov eax, [esp + 8] |
||
672 | add dword [device.bytes_tx], eax |
||
673 | adc dword [device.bytes_tx + 4], 0 |
||
674 | |||
675 | DEBUGF 1,"Transmit OK\n" |
||
676 | |||
677 | xor eax, eax |
||
678 | ret 8 |
||
679 | |||
680 | .error: |
||
681 | stdcall KernelFree, [esp+4] |
||
682 | or eax, -1 |
||
683 | ret 8 |
||
684 | |||
685 | ;;;;;;;;;;;;;;;;;;;;;;; |
||
686 | ;; ;; |
||
687 | ;; Interrupt handler ;; |
||
688 | ;; ;; |
||
689 | ;;;;;;;;;;;;;;;;;;;;;;; |
||
690 | |||
691 | align 4 |
||
692 | int_handler: |
||
693 | |||
694 | push ebx esi edi |
||
695 | |||
3845 | hidnplayr | 696 | DEBUGF 1,"INT\n" |
3545 | hidnplayr | 697 | |
698 | ; find pointer of device wich made IRQ occur |
||
699 | |||
700 | mov ecx, [devices] |
||
701 | test ecx, ecx |
||
702 | jz .nothing |
||
703 | mov esi, device_list |
||
704 | .nextdevice: |
||
705 | mov ebx, [esi] |
||
706 | |||
707 | ; set_io 0 ; reg_scb_status = 0 |
||
708 | set_io reg_scb_status |
||
709 | in ax, dx |
||
710 | out dx, ax ; send it back to ACK |
||
711 | test ax, ax |
||
712 | jnz .got_it |
||
713 | .continue: |
||
714 | add esi, 4 |
||
715 | dec ecx |
||
716 | jnz .nextdevice |
||
717 | .nothing: |
||
718 | pop edi esi ebx |
||
719 | xor eax, eax |
||
720 | |||
721 | ret ; If no device was found, abort (The irq was probably for a device, not registered to this driver) |
||
722 | |||
723 | .got_it: |
||
724 | |||
725 | DEBUGF 1,"Device: %x Status: %x\n", ebx, ax |
||
726 | |||
727 | test ax, 1 shl 14 ; did we receive a frame? |
||
728 | jz .no_rx |
||
729 | |||
730 | push ax |
||
731 | |||
732 | DEBUGF 1,"Receiving\n" |
||
733 | |||
734 | push ebx |
||
735 | .rx_loop: |
||
736 | pop ebx |
||
737 | |||
738 | mov esi, [device.rx_desc] |
||
739 | cmp [esi + rxfd.status], 0 ; we could also check bits C and OK (bit 15 and 13) |
||
740 | je .nodata |
||
741 | |||
742 | DEBUGF 1,"rxfd status=0x%x\n", [esi + rxfd.status]:4 |
||
743 | |||
744 | movzx ecx, [esi + rxfd.count] |
||
745 | and ecx, 0x3fff |
||
746 | |||
747 | push ebx |
||
748 | push .rx_loop |
||
749 | push ecx |
||
750 | add esi, rxfd.packet |
||
751 | push esi |
||
752 | |||
753 | ; Update stats |
||
754 | add dword [device.bytes_rx], ecx |
||
755 | adc dword [device.bytes_rx + 4], 0 |
||
756 | inc dword [device.packets_rx] |
||
757 | |||
758 | ; allocate new descriptor |
||
759 | |||
760 | stdcall KernelAlloc, 2000 |
||
761 | mov [device.rx_desc], eax |
||
762 | mov esi, eax |
||
763 | GetRealAddr |
||
764 | mov [esi + rxfd.status], 0x0000 |
||
765 | mov [esi + rxfd.command], 0xc000 ; End of list + Suspend |
||
766 | mov [esi + rxfd.link], eax |
||
767 | mov [esi + rxfd.count], 0 |
||
768 | mov [esi + rxfd.size], 1528 |
||
769 | |||
770 | ; restart RX |
||
771 | |||
772 | set_io 0 |
||
773 | set_io reg_scb_ptr |
||
774 | ; lea eax, [device.rx_desc] |
||
775 | ; GetRealAddr |
||
776 | out dx, eax |
||
777 | |||
778 | set_io reg_scb_cmd |
||
779 | mov ax, RX_START |
||
780 | out dx, ax |
||
781 | call cmd_wait |
||
782 | |||
783 | ; And give packet to kernel |
||
784 | |||
785 | jmp Eth_input |
||
786 | |||
787 | .nodata: |
||
788 | DEBUGF 1, "no more data\n" |
||
789 | pop ax |
||
790 | |||
791 | .no_rx: |
||
792 | |||
793 | ; Cleanup after TX |
||
794 | cmp [txfd.status], 0 |
||
795 | je .done |
||
796 | cmp [last_tx_buffer], 0 |
||
797 | je .done |
||
798 | push ax |
||
799 | DEBUGF 1, "Removing packet 0x%x from RAM!\n", [last_tx_buffer] |
||
800 | stdcall KernelFree, [last_tx_buffer] |
||
801 | mov [last_tx_buffer], 0 |
||
802 | pop ax |
||
803 | |||
804 | .done: |
||
805 | and ax, 00111100b |
||
806 | cmp ax, 00001000b |
||
807 | jne .fail |
||
808 | |||
809 | DEBUGF 1, "out of resources!\n" |
||
810 | ; Restart the RX |
||
811 | |||
812 | ; allocate new descriptor |
||
813 | |||
814 | stdcall KernelAlloc, 2000 |
||
815 | mov [device.rx_desc], eax |
||
816 | mov esi, eax |
||
817 | GetRealAddr |
||
818 | mov [esi + rxfd.status], 0x0000 |
||
819 | mov [esi + rxfd.command], 0xc000 ; End of list + Suspend |
||
820 | mov [esi + rxfd.link], eax |
||
821 | mov [esi + rxfd.count], 0 |
||
822 | mov [esi + rxfd.size], 1528 |
||
823 | |||
824 | ; restart RX |
||
825 | |||
826 | set_io 0 |
||
827 | set_io reg_scb_ptr |
||
828 | ; lea eax, [device.rx_desc] |
||
829 | ; GetRealAddr |
||
830 | out dx, eax |
||
831 | |||
832 | set_io reg_scb_cmd |
||
833 | mov ax, RX_START |
||
834 | out dx, ax |
||
835 | call cmd_wait |
||
836 | |||
837 | .fail: |
||
838 | pop edi esi ebx |
||
839 | xor eax, eax |
||
840 | inc eax |
||
841 | |||
842 | ret |
||
843 | |||
844 | |||
845 | |||
846 | |||
847 | align 4 |
||
848 | cmd_wait: |
||
849 | |||
850 | in al, dx |
||
851 | test al, al |
||
852 | jnz cmd_wait |
||
853 | |||
854 | ret |
||
855 | |||
856 | |||
857 | |||
858 | |||
859 | |||
860 | |||
861 | align 4 |
||
862 | ee_read: ; esi = address to read |
||
863 | |||
3845 | hidnplayr | 864 | DEBUGF 1,"Eeprom read from 0x%x\n", esi |
3545 | hidnplayr | 865 | |
866 | set_io 0 |
||
867 | set_io reg_eeprom |
||
868 | |||
869 | ;----------------------------------------------------- |
||
870 | ; Prepend start bit + read opcode to the address field |
||
871 | ; and shift it to the very left bits of esi |
||
872 | |||
873 | mov cl, 29 |
||
874 | sub cl, [device.ee_bus_width] |
||
875 | shl esi, cl |
||
876 | or esi, EE_READ shl 29 |
||
877 | |||
878 | movzx ecx, [device.ee_bus_width] |
||
879 | add ecx, 3 |
||
880 | |||
881 | mov al, EE_CS |
||
882 | out dx, al |
||
883 | delay |
||
884 | |||
885 | ;----------------------- |
||
886 | ; Write this to the chip |
||
887 | |||
888 | .loop: |
||
889 | mov al, EE_CS + EE_SK |
||
890 | shl esi, 1 |
||
891 | jnc @f |
||
892 | or al, EE_DI |
||
893 | @@: |
||
894 | out dx, al |
||
895 | delay |
||
896 | |||
897 | and al, not EE_SK |
||
898 | out dx, al |
||
899 | delay |
||
900 | |||
901 | loop .loop |
||
902 | |||
903 | ;------------------------------ |
||
904 | ; Now read the data from eeprom |
||
905 | |||
906 | xor esi, esi |
||
907 | mov ecx, 16 |
||
908 | |||
909 | .loop2: |
||
910 | shl esi, 1 |
||
911 | mov al, EE_CS + EE_SK |
||
912 | out dx, al |
||
913 | delay |
||
914 | |||
915 | in al, dx |
||
916 | test al, EE_DO |
||
917 | jz @f |
||
918 | inc esi |
||
919 | @@: |
||
920 | |||
921 | mov al, EE_CS |
||
922 | out dx, al |
||
923 | delay |
||
924 | |||
925 | loop .loop2 |
||
926 | |||
927 | ;----------------------- |
||
928 | ; de-activate the eeprom |
||
929 | |||
930 | xor ax, ax |
||
931 | out dx, ax |
||
932 | |||
933 | |||
3845 | hidnplayr | 934 | DEBUGF 1,"0x%x\n", esi:4 |
3545 | hidnplayr | 935 | ret |
936 | |||
937 | |||
938 | |||
939 | align 4 |
||
940 | ee_write: ; esi = address to write to, di = data |
||
941 | |||
942 | DEBUGF 1,"Eeprom write 0x%x to 0x%x\n", di, esi |
||
943 | |||
944 | set_io 0 |
||
945 | set_io reg_eeprom |
||
946 | |||
947 | ;----------------------------------------------------- |
||
948 | ; Prepend start bit + write opcode to the address field |
||
949 | ; and shift it to the very left bits of esi |
||
950 | |||
951 | mov cl, 29 |
||
952 | sub cl, [device.ee_bus_width] |
||
953 | shl esi, cl |
||
954 | or esi, EE_WRITE shl 29 |
||
955 | |||
956 | movzx ecx, [device.ee_bus_width] |
||
957 | add ecx, 3 |
||
958 | |||
959 | mov al, EE_CS ; enable chip |
||
960 | out dx, al |
||
961 | |||
962 | ;----------------------- |
||
963 | ; Write this to the chip |
||
964 | |||
965 | .loop: |
||
966 | mov al, EE_CS + EE_SK |
||
967 | shl esi, 1 |
||
968 | jnc @f |
||
969 | or al, EE_DI |
||
970 | @@: |
||
971 | out dx, al |
||
972 | delay |
||
973 | |||
974 | and al, not EE_SK |
||
975 | out dx, al |
||
976 | delay |
||
977 | |||
978 | loop .loop |
||
979 | |||
980 | ;----------------------------- |
||
981 | ; Now write the data to eeprom |
||
982 | |||
983 | mov ecx, 16 |
||
984 | |||
985 | .loop2: |
||
986 | mov al, EE_CS + EE_SK |
||
987 | shl di, 1 |
||
988 | jnc @f |
||
989 | or al, EE_DI |
||
990 | @@: |
||
991 | out dx, al |
||
992 | delay |
||
993 | |||
994 | and al, not EE_SK |
||
995 | out dx, al |
||
996 | delay |
||
997 | |||
998 | loop .loop2 |
||
999 | |||
1000 | ;----------------------- |
||
1001 | ; de-activate the eeprom |
||
1002 | |||
1003 | xor al, al |
||
1004 | out dx, al |
||
1005 | |||
1006 | |||
1007 | ret |
||
1008 | |||
1009 | |||
1010 | |||
1011 | align 4 |
||
1012 | ee_get_width: |
||
1013 | |||
1014 | set_io 0 |
||
1015 | set_io reg_eeprom |
||
1016 | |||
1017 | mov al, EE_CS ; activate eeprom |
||
1018 | out dx, al |
||
1019 | delay |
||
1020 | |||
1021 | mov si, EE_READ shl 13 |
||
1022 | xor ecx, ecx |
||
1023 | .loop: |
||
1024 | mov al, EE_CS + EE_SK |
||
1025 | shl si, 1 |
||
1026 | jnc @f |
||
1027 | or al, EE_DI |
||
1028 | @@: |
||
1029 | out dx, al |
||
1030 | delay |
||
1031 | |||
1032 | and al, not EE_SK |
||
1033 | out dx, al |
||
1034 | delay |
||
1035 | |||
1036 | inc ecx |
||
1037 | |||
1038 | cmp ecx, 15 |
||
1039 | jae .give_up |
||
1040 | |||
1041 | in al, dx |
||
1042 | test al, EE_DO |
||
1043 | jnz .loop |
||
1044 | |||
1045 | xor al, al |
||
1046 | out dx, al ; de-activate eeprom |
||
1047 | |||
1048 | sub cl, 3 ; dont count the opcode bits |
||
1049 | mov [device.ee_bus_width], cl |
||
3845 | hidnplayr | 1050 | DEBUGF 1, "Eeprom width=%u bit\n", ecx |
3545 | hidnplayr | 1051 | |
3845 | hidnplayr | 1052 | ret |
3545 | hidnplayr | 1053 | |
3845 | hidnplayr | 1054 | .give_up: |
1055 | DEBUGF 2, "Eeprom not found!\n" |
||
3545 | hidnplayr | 1056 | |
3845 | hidnplayr | 1057 | xor al, al |
1058 | out dx, al ; de-activate eeprom |
||
3545 | hidnplayr | 1059 | |
1060 | ret |
||
1061 | |||
1062 | |||
1063 | |||
1064 | ; cx = phy addr |
||
1065 | ; dx = phy reg addr |
||
1066 | |||
1067 | ; ax = data |
||
1068 | |||
1069 | align 4 |
||
1070 | mdio_read: |
||
1071 | |||
1072 | DEBUGF 1,"MDIO read\n" |
||
1073 | |||
1074 | shl ecx, 21 ; PHY addr |
||
1075 | shl edx, 16 ; PHY reg addr |
||
1076 | |||
1077 | mov eax, ecx |
||
1078 | or eax, edx |
||
1079 | or eax, 10b shl 26 ; read opcode |
||
1080 | |||
1081 | set_io 0 |
||
1082 | set_io reg_mdi_ctrl |
||
1083 | out dx, eax |
||
1084 | |||
1085 | .wait: |
||
1086 | delay |
||
1087 | in eax, dx |
||
1088 | test eax, 1 shl 28 ; ready bit |
||
1089 | jz .wait |
||
1090 | |||
1091 | ret |
||
1092 | |||
1093 | ; ax = data |
||
1094 | ; cx = phy addr |
||
1095 | ; dx = phy reg addr |
||
1096 | |||
1097 | ; ax = data |
||
1098 | |||
1099 | align 4 |
||
1100 | mdio_write: |
||
1101 | |||
1102 | DEBUGF 1,"MDIO write\n" |
||
1103 | |||
1104 | and eax, 0xffff |
||
1105 | |||
1106 | shl ecx, 21 ; PHY addr |
||
1107 | shl edx, 16 ; PHY reg addr |
||
1108 | |||
1109 | or eax, ecx |
||
1110 | or eax, edx |
||
1111 | or eax, 01b shl 26 ; write opcode |
||
1112 | |||
1113 | set_io 0 |
||
1114 | set_io reg_mdi_ctrl |
||
1115 | out dx, eax |
||
1116 | |||
1117 | .wait: |
||
1118 | delay |
||
1119 | in eax, dx |
||
1120 | test eax, 1 shl 28 ; ready bit |
||
1121 | jz .wait |
||
1122 | |||
1123 | ret |
||
1124 | |||
1125 | read_mac: |
||
1126 | |||
1127 | ret |
||
1128 | |||
1129 | |||
1130 | |||
1131 | align 4 |
||
1132 | MAC_read_eeprom: |
||
1133 | |||
1134 | mov esi, 0 |
||
1135 | call ee_read |
||
1136 | mov word[device.mac], si |
||
1137 | |||
1138 | mov esi, 1 |
||
1139 | call ee_read |
||
1140 | mov word[device.mac+2], si |
||
1141 | |||
1142 | mov esi, 2 |
||
1143 | call ee_read |
||
1144 | mov word[device.mac+4], si |
||
1145 | |||
1146 | |||
1147 | ret |
||
1148 | |||
1149 | |||
1150 | align 4 |
||
1151 | MAC_write: |
||
1152 | |||
1153 | ;;;; |
||
1154 | |||
1155 | ret |
||
1156 | |||
1157 | |||
1158 | |||
1159 | |||
1160 | ; End of code |
||
1161 | |||
1162 | align 4 ; Place all initialised data here |
||
1163 | |||
1164 | devices dd 0 ; number of currently running devices |
||
1165 | version dd (DRIVER_VERSION shl 16) or (API_VERSION and 0xFFFF) |
||
1166 | my_service db 'i8255x', 0 ; max 16 chars include zero |
||
1167 | devicename db 'Intel Etherexpress pro/100', 0 |
||
1168 | |||
1169 | confcmd_data db 22, 0x08, 0, 0, 0, 0x80, 0x32, 0x03, 1 |
||
1170 | db 0, 0x2e, 0, 0x60, 0, 0xf2, 0x48, 0, 0x40, 0xf2 |
||
1171 | db 0x80, 0x3f, 0x05 ; 22 bytes total |
||
1172 | |||
1173 | |||
1174 | device_id_list: |
||
1175 | |||
1176 | dw 0x1029 |
||
1177 | dw 0x1030 |
||
1178 | dw 0x1031 |
||
1179 | dw 0x1032 |
||
1180 | dw 0x1033 |
||
1181 | dw 0x1034 |
||
1182 | dw 0x1038 |
||
1183 | dw 0x1039 |
||
1184 | dw 0x103A |
||
1185 | dw 0x103B |
||
1186 | dw 0x103C |
||
1187 | dw 0x103D |
||
1188 | dw 0x103E |
||
1189 | dw 0x1050 |
||
1190 | dw 0x1051 |
||
1191 | dw 0x1052 |
||
1192 | dw 0x1053 |
||
1193 | dw 0x1054 |
||
1194 | dw 0x1055 |
||
1195 | dw 0x1056 |
||
1196 | dw 0x1057 |
||
1197 | dw 0x1059 |
||
1198 | dw 0x1064 |
||
1199 | dw 0x1065 |
||
1200 | dw 0x1066 |
||
1201 | dw 0x1067 |
||
1202 | dw 0x1068 |
||
1203 | dw 0x1069 |
||
1204 | dw 0x106A |
||
1205 | dw 0x106B |
||
1206 | dw 0x1091 |
||
1207 | dw 0x1092 |
||
1208 | dw 0x1093 |
||
1209 | dw 0x1094 |
||
1210 | dw 0x1095 |
||
1211 | dw 0x10fe |
||
1212 | dw 0x1209 |
||
1213 | dw 0x1229 |
||
1214 | dw 0x2449 |
||
1215 | dw 0x2459 |
||
1216 | dw 0x245D |
||
1217 | dw 0x27DC |
||
1218 | |||
1219 | DEVICE_IDs = ($ - device_id_list) / 2 |
||
1220 | |||
1221 | mac_82557_D100_A = 0 |
||
1222 | mac_82557_D100_B = 1 |
||
1223 | mac_82557_D100_C = 2 |
||
1224 | mac_82558_D101_A4 = 4 |
||
1225 | mac_82558_D101_B0 = 5 |
||
1226 | mac_82559_D101M = 8 |
||
1227 | mac_82559_D101S = 9 |
||
1228 | mac_82550_D102 = 12 |
||
1229 | mac_82550_D102_C = 13 |
||
1230 | mac_82551_E = 14 |
||
1231 | mac_82551_F = 15 |
||
1232 | mac_82551_10 = 16 |
||
1233 | mac_unknown = 0xFF |
||
1234 | |||
1235 | phy_100a = 0x000003E0 |
||
1236 | phy_100c = 0x035002A8 |
||
1237 | phy_82555_tx = 0x015002A8 |
||
1238 | phy_nsc_tx = 0x5C002000 |
||
1239 | phy_82562_et = 0x033002A8 |
||
1240 | phy_82562_em = 0x032002A8 |
||
1241 | phy_82562_ek = 0x031002A8 |
||
1242 | phy_82562_eh = 0x017002A8 |
||
1243 | phy_82552_v = 0xd061004d |
||
1244 | phy_unknown = 0xFFFFFFFF |
||
1245 | |||
1246 | |||
1247 | include_debug_strings ; All data wich FDO uses will be included here |
||
1248 | |||
1249 | section '.data' data readable writable align 16 ; place all uninitialized data place here |
||
1250 | |||
1251 | device_list rd MAX_DEVICES ; This list contains all pointers to device structures the driver is handling |
||
1252 |