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Rev | Author | Line No. | Line |
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1159 | hidnplayr | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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1178 | hidnplayr | 3 | ;; Copyright (C) KolibriOS team 2004-2009. All rights reserved. ;; |
1159 | hidnplayr | 4 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; ;; |
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1178 | hidnplayr | 6 | ;; RTL8029/ne2000 driver for KolibriOS ;; |
1159 | hidnplayr | 7 | ;; ;; |
8 | ;; Written by hidnplayr@kolibrios.org ;; |
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1178 | hidnplayr | 9 | ;; with help from CleverMouse ;; |
1159 | hidnplayr | 10 | ;; ;; |
11 | ;; GNU GENERAL PUBLIC LICENSE ;; |
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12 | ;; Version 2, June 1991 ;; |
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13 | ;; ;; |
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1178 | hidnplayr | 14 | ;; current status (september 2009) - UNSTABLE ;; |
1159 | hidnplayr | 15 | ;; ;; |
1178 | hidnplayr | 16 | ;; based on RTL8029.asm driver for menuetos ;; |
17 | ;; and realtek8029.asm for SolarOS by Eugen Brasoveanu ;; |
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18 | ;; ;; |
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1159 | hidnplayr | 19 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
20 | |||
1206 | hidnplayr | 21 | $Revision: 1206 $ |
22 | |||
1159 | hidnplayr | 23 | format MS COFF |
24 | |||
25 | API_VERSION equ 0x01000100 |
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26 | |||
27 | DEBUG equ 1 |
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28 | __DEBUG__ equ 1 |
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29 | __DEBUG_LEVEL__ equ 1 |
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30 | |||
31 | include 'proc32.inc' |
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32 | include 'imports.inc' |
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33 | include 'fdo.inc' |
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34 | |||
35 | OS_BASE equ 0x80000000 |
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36 | new_app_base equ 0x0 |
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37 | PROC_BASE equ OS_BASE+0x0080000 |
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38 | |||
39 | ; PCI Bus defines |
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40 | PCI_HEADER_TYPE equ 0x0e ;8 bit |
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41 | PCI_BASE_ADDRESS_0 equ 0x10 ;32 bit |
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42 | PCI_BASE_ADDRESS_5 equ 0x24 ;32 bits |
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43 | PCI_BASE_ADDRESS_SPACE_IO equ 0x01 |
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44 | PCI_VENDOR_ID equ 0x00 ;16 bit |
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45 | PCI_BASE_ADDRESS_IO_MASK equ 0xFFFFFFFC |
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46 | |||
47 | struc IOCTL { |
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48 | .handle dd ? |
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49 | .io_code dd ? |
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50 | .input dd ? |
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51 | .inp_size dd ? |
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52 | .output dd ? |
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53 | .out_size dd ? |
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54 | } |
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55 | |||
56 | virtual at 0 |
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57 | IOCTL IOCTL |
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58 | end virtual |
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59 | |||
60 | struc ETH_DEVICE { |
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61 | ; pointers to procedures |
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62 | .unload dd ? |
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63 | .reset dd ? |
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64 | .transmit dd ? |
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65 | .set_MAC dd ? |
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66 | .get_MAC dd ? |
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67 | .set_mode dd ? |
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68 | .get_mode dd ? |
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69 | ; status |
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70 | .bytes_tx dq ? |
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71 | .bytes_rx dq ? |
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72 | .packets_tx dd ? |
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73 | .packets_rx dd ? |
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74 | .mode dd ? ; This dword contains cable status (10mbit/100mbit, full/half duplex, auto negotiation or not,..) |
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75 | .name dd ? |
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76 | .mac dp ? |
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77 | ; device specific |
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78 | .io_addr dw ? |
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79 | .irq_line db ? |
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80 | .pci_bus db ? |
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81 | .pci_dev db ? |
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82 | |||
83 | .flags db ? |
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84 | .vendor db ? |
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85 | .asic_base dw ? |
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86 | .memsize db ? |
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87 | .rx_start db ? |
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88 | .tx_start db ? |
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89 | .bmem dd ? |
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90 | .rmem dd ? |
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91 | .romdata rb 16 |
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92 | .size: |
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93 | |||
94 | } |
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95 | |||
96 | virtual at 0 |
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97 | device ETH_DEVICE |
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98 | end virtual |
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99 | |||
100 | public START |
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101 | public service_proc |
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102 | public version |
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103 | |||
104 | MAX_ne2000 equ 16 ; Max number of devices this driver may handle |
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105 | |||
106 | P0_PSTART equ 0x01 |
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107 | P0_PSTOP equ 0x02 |
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108 | P0_BOUND equ 0x03 |
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109 | P0_TSR equ 0x04 |
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110 | P0_TPSR equ 0x04 |
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111 | P0_TBCR0 equ 0x05 |
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112 | P0_TBCR1 equ 0x06 |
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113 | P0_ISR equ 0x07 |
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114 | P0_RSAR0 equ 0x08 |
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115 | P0_RSAR1 equ 0x09 |
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116 | P0_RBCR0 equ 0x0A |
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117 | P0_RBCR1 equ 0x0B |
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118 | P0_RSR equ 0x0C |
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119 | P0_RCR equ 0x0C |
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120 | P0_TCR equ 0x0D |
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121 | P0_DCR equ 0x0E |
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122 | P0_IMR equ 0x0F |
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123 | |||
124 | P1_PAR0 equ 0x01 |
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125 | P1_PAR1 equ 0x02 |
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126 | P1_PAR2 equ 0x03 |
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127 | P1_PAR3 equ 0x04 |
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128 | P1_PAR4 equ 0x05 |
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129 | P1_PAR5 equ 0x06 |
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130 | P1_CURR equ 0x07 |
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131 | P1_MAR0 equ 0x08 |
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132 | |||
133 | CMD_PS0 equ 0x00 ; Page 0 select |
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134 | CMD_PS1 equ 0x40 ; Page 1 select |
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135 | CMD_PS2 equ 0x80 ; Page 2 select |
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136 | CMD_RD2 equ 0x20 ; Remote DMA control |
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137 | CMD_RD1 equ 0x10 |
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138 | CMD_RD0 equ 0x08 |
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139 | CMD_TXP equ 0x04 ; transmit packet |
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140 | CMD_STA equ 0x02 ; start |
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141 | CMD_STP equ 0x01 ; stop |
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142 | |||
143 | RCR_MON equ 0x20 ; monitor mode |
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144 | |||
145 | DCR_FT1 equ 0x40 |
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146 | DCR_LS equ 0x08 ; Loopback select |
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147 | DCR_WTS equ 0x01 ; Word transfer select |
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148 | |||
149 | ISR_PRX equ 0x01 ; successful recv |
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150 | ISR_PTX equ 0x02 ; successful xmit |
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151 | ISR_RXE equ 0x04 ; receive error |
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152 | ISR_TXE equ 0x08 ; transmit error |
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153 | ISR_OVW equ 0x10 ; Overflow |
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154 | ISR_CNT equ 0x20 ; Counter overflow |
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155 | ISR_RDC equ 0x40 ; Remote DMA complete |
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156 | ISR_RST equ 0x80 ; reset |
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157 | |||
1173 | clevermous | 158 | IRQ_MASK equ ISR_PRX ; + ISR_PTX + ISR_TXE |
1159 | hidnplayr | 159 | |
160 | RSTAT_PRX equ 0x01 ; successful recv |
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161 | RSTAT_CRC equ 0x02 ; CRC error |
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162 | RSTAT_FAE equ 0x04 ; Frame alignment error |
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163 | RSTAT_OVER equ 0x08 ; FIFO overrun |
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164 | |||
165 | TXBUF_SIZE equ 6 |
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166 | RXBUF_END equ 32 |
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167 | PAGE_SIZE equ 256 |
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168 | |||
169 | ETH_ALEN equ 6 |
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170 | ETH_HLEN equ 14 |
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171 | ETH_ZLEN equ 60 |
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172 | ETH_FRAME_LEN equ 1514 |
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173 | |||
174 | FLAG_PIO equ 0x01 |
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175 | FLAG_16BIT equ 0x02 |
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176 | ASIC_PIO equ 0 |
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177 | |||
178 | VENDOR_NONE equ 0 |
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179 | VENDOR_WD equ 1 |
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180 | VENDOR_NOVELL equ 2 |
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181 | VENDOR_3COM equ 3 |
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182 | |||
183 | NE_ASIC_OFFSET equ 0x10 |
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184 | NE_RESET equ 0x0F ; Used to reset card |
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185 | NE_DATA equ 0x00 ; Used to read/write NIC mem |
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186 | |||
187 | MEM_8192 equ 32 |
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188 | MEM_16384 equ 64 |
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189 | MEM_32768 equ 128 |
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190 | |||
191 | ISA_MAX_ADDR equ 0x400 |
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192 | |||
193 | ;------------------------------------------------ |
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194 | |||
195 | LAST_IO = 0 |
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196 | |||
197 | macro set_io addr { |
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198 | |||
199 | if addr = 0 |
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200 | mov dx, [ebp + device.io_addr] |
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201 | else |
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1177 | clevermous | 202 | add edx, addr - LAST_IO |
1159 | hidnplayr | 203 | end if |
204 | |||
205 | LAST_IO = addr |
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206 | |||
207 | |||
208 | } |
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209 | |||
210 | ;------------------------------------------------- |
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211 | |||
212 | |||
213 | section '.flat' code readable align 16 |
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214 | |||
215 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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216 | ;; |
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217 | ;; proc START |
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218 | ;; |
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219 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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220 | |||
221 | proc START stdcall, state:dword |
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222 | |||
223 | cmp [state], 1 |
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224 | jne .exit |
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225 | .entry: |
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226 | DEBUGF 2,"Registering rtl8029 service \n" |
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227 | stdcall RegService, my_service, service_proc |
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228 | ret |
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229 | .fail: |
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230 | .exit: |
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231 | xor eax, eax |
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232 | ret |
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233 | |||
234 | endp |
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235 | |||
236 | |||
237 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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238 | ;; |
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239 | ;; proc SERVICE_PROC |
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240 | ;; |
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241 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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242 | align 4 |
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1177 | clevermous | 243 | proc service_proc ;stdcall, ioctl:dword |
244 | push ebp |
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1159 | hidnplayr | 245 | |
1177 | clevermous | 246 | mov edx, [esp+8];[ioctl] |
247 | mov eax, [edx+IOCTL.io_code] |
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1159 | hidnplayr | 248 | |
249 | ;------------------------------------------------------ |
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250 | ;--------------- |
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251 | cmp eax, 0 ;SRV_GETVERSION |
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252 | jne @F ;--------------- |
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253 | |||
254 | cmp [edx+IOCTL.out_size], 4 |
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255 | jl .fail |
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256 | mov eax, [edx+IOCTL.output] |
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257 | mov [eax], dword API_VERSION |
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258 | |||
259 | xor eax, eax |
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1177 | clevermous | 260 | pop ebp |
261 | ret 4 |
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1159 | hidnplayr | 262 | |
263 | ;------------------------------------------------------ |
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264 | @@: ;--------- |
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265 | cmp eax, 1 ;SRV_HOOK |
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266 | jne @F ;--------- |
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267 | |||
268 | DEBUGF 2,"Checking if device is already listed..\n" |
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269 | |||
270 | mov eax, [edx+IOCTL.input] |
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271 | |||
272 | cmp [edx+IOCTL.inp_size], 3 |
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273 | jl .fail |
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274 | cmp byte [eax], 1 |
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275 | je .pci |
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276 | |||
277 | cmp [edx+IOCTL.inp_size], 4 |
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278 | jl .fail |
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279 | cmp byte [eax], 0 |
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280 | je .isa |
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281 | |||
282 | jmp .fail |
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283 | |||
284 | .pci: |
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285 | |||
286 | mov esi, ne2000_LIST |
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287 | mov ecx, [ne2000_DEV] |
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288 | test ecx, ecx |
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289 | jz .firstdevice_pci |
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290 | mov bx , [eax+1] |
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291 | .nextdevice: |
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292 | lodsd |
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293 | cmp bx , word [eax + device.pci_bus] ; compare with pci and device num in ne2000 list |
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294 | je find_device_num |
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295 | loop .nextdevice |
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296 | |||
297 | .firstdevice_pci: |
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298 | call create_new_struct |
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299 | |||
300 | mov eax, [edx+IOCTL.input] ; save the pci bus and device numbers |
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301 | mov cx , [eax+1] ; |
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302 | mov [ebx+device.pci_bus], cl ; |
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303 | mov [ebx+device.pci_dev], ch ; |
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304 | |||
305 | mov edx, PCI_BASE_ADDRESS_0 ; find the base io address |
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306 | .sb_reg_check: |
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1178 | hidnplayr | 307 | |
1159 | hidnplayr | 308 | movzx eax, byte [ebx+device.pci_bus] ; |
309 | movzx ecx, byte [ebx+device.pci_dev] ; |
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310 | ; |
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311 | push edx ecx |
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312 | stdcall PciRead16, eax ,ecx ,edx ; |
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313 | pop ecx edx |
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314 | ; |
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315 | mov [ebx+device.io_addr], ax ; |
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316 | and eax, PCI_BASE_ADDRESS_IO_MASK ; |
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317 | test eax, eax ; |
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318 | jz .sb_inc_reg ; |
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319 | movzx eax, [ebx+device.io_addr] ; |
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320 | and eax, PCI_BASE_ADDRESS_SPACE_IO ; |
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321 | test eax, eax ; |
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322 | jz .sb_inc_reg ; |
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323 | ; |
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324 | movzx eax, [ebx+device.io_addr] ; |
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325 | and eax, PCI_BASE_ADDRESS_IO_MASK ; |
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326 | mov [ebx+device.io_addr], ax ; |
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327 | ; |
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328 | jmp .got_io ; |
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329 | ; |
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330 | .sb_inc_reg: ; |
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331 | add edx, 4 ; |
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332 | cmp edx, PCI_BASE_ADDRESS_5 ; |
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333 | jbe .sb_reg_check ; |
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334 | |||
335 | .got_io: |
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336 | movzx eax, byte [ebx+device.pci_bus] ; find IRQ line |
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337 | movzx ecx, byte [ebx+device.pci_dev] ; |
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338 | push ebx |
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339 | stdcall PciRead8, eax ,ecx ,0x3c ; 0x3c is the offset where irq can be found |
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340 | pop ebx |
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341 | mov byte [ebx+device.irq_line], al ; |
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342 | |||
343 | jmp .hook |
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344 | |||
345 | .isa: |
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346 | |||
347 | mov esi, ne2000_LIST |
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348 | mov ecx, [ne2000_DEV] |
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349 | test ecx, ecx |
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350 | jz .firstdevice_isa |
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351 | mov bx , [eax+1] |
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352 | mov dl , [eax+3] |
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353 | .nextdevice_isa: |
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354 | lodsd |
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355 | cmp bx , [eax + device.io_addr] |
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356 | jne .maybenext |
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357 | cmp dl , [eax + device.irq_line] |
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358 | je find_device_num |
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359 | .maybenext: |
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360 | loop .nextdevice_isa |
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361 | |||
362 | |||
363 | |||
364 | .firstdevice_isa: |
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365 | call create_new_struct |
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366 | |||
367 | mov eax, [edx+IOCTL.input] |
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368 | mov cx , [eax+1] |
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369 | mov [ebx+device.io_addr], cx |
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370 | mov cl, [eax+3] |
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371 | mov [ebx+device.irq_line], cl |
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372 | |||
373 | .hook: |
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374 | |||
375 | DEBUGF 2,"Hooking into device, dev:%x, bus:%x, irq:%x, addr:%x\n",[ebx+device.pci_dev]:1,[ebx+device.pci_bus]:1,[ebx+device.irq_line]:1,[ebx+device.io_addr]:4 |
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376 | |||
377 | call probe ; this function will output in eax |
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378 | test eax, eax |
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379 | jnz .err ; If an error occured, exit |
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380 | |||
381 | mov eax, [ne2000_DEV] |
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382 | mov [ne2000_LIST+4*eax], ebx |
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383 | inc [ne2000_DEV] |
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384 | |||
1177 | clevermous | 385 | call EthRegDev ; Register the device to kernel (ebx points to device struct) |
386 | cmp eax, -1 |
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387 | jz .err |
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388 | pop ebp |
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389 | ret 4 |
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1159 | hidnplayr | 390 | |
391 | .err: |
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392 | stdcall KernelFree, ebx |
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393 | |||
394 | jmp .fail |
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395 | |||
396 | ;------------------------------------------------------ |
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397 | @@: |
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398 | .fail: |
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399 | or eax, -1 |
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1177 | clevermous | 400 | pop ebp |
401 | ret 4 |
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1159 | hidnplayr | 402 | |
403 | ;------------------------------------------------------ |
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404 | endp |
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405 | |||
406 | |||
407 | create_new_struct: |
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408 | |||
409 | cmp [ne2000_DEV], MAX_ne2000 |
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410 | jge .fail |
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411 | |||
412 | push edx |
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413 | stdcall KernelAlloc, device.size |
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414 | pop edx |
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415 | test eax, eax |
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416 | jz .fail |
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417 | mov ebx, eax |
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418 | |||
419 | mov dword [ebx+device.reset], reset |
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420 | mov dword [ebx+device.transmit], transmit |
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421 | mov dword [ebx+device.get_MAC], read_mac |
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422 | mov dword [ebx+device.set_MAC], write_mac |
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423 | mov dword [ebx+device.unload], unload |
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1178 | hidnplayr | 424 | mov dword [ebx+device.name], my_service |
1159 | hidnplayr | 425 | |
426 | ret |
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427 | |||
428 | .fail: |
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429 | add esp, 4 |
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430 | or eax, -1 |
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431 | ret |
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432 | |||
433 | find_device_num: |
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434 | |||
435 | DEBUGF 1,"Trying to find device number of already registered device\n" |
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436 | mov ebx, eax |
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437 | call EthStruc2Dev ; This kernel procedure converts a pointer to device struct in ebx |
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438 | ; into a device number in edi |
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439 | mov eax, edi ; Application wants it in eax instead |
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440 | DEBUGF 1,"Kernel says: %u\n", eax |
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441 | ret |
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442 | |||
443 | |||
444 | ;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;; |
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445 | ;; ;; |
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446 | ;; Actual Hardware dependent code starts here ;; |
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447 | ;; ;; |
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448 | ;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;; |
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449 | |||
450 | |||
451 | unload: ; TODO |
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452 | or eax, -1 |
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453 | ret |
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454 | |||
455 | |||
456 | |||
457 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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458 | ;; |
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459 | ;; probe: enables the device and clears the rx buffer |
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460 | ;; |
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461 | ;; Destroys: eax, ebx, ecx, edx |
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462 | ;; |
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463 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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464 | |||
465 | probe: |
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466 | mov ebp, ebx ;--- |
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467 | |||
468 | mov [ebp + device.vendor], VENDOR_NONE |
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469 | mov [ebp + device.bmem], 0 |
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470 | mov ax, [ebp + device.io_addr] |
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471 | add ax, NE_ASIC_OFFSET |
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472 | mov [ebp + device.asic_base], ax |
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473 | |||
474 | DEBUGF 2,"Trying 16-bit mode\n" |
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475 | |||
1173 | clevermous | 476 | or [ebp + device.flags], FLAG_16BIT or FLAG_PIO |
1159 | hidnplayr | 477 | mov [ebp + device.memsize], MEM_32768 |
478 | mov [ebp + device.tx_start], 64 |
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1177 | clevermous | 479 | mov [ebp + device.rx_start], TXBUF_SIZE + 64 |
1159 | hidnplayr | 480 | |
481 | set_io 0 |
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482 | set_io P0_DCR |
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483 | mov al, DCR_WTS + DCR_FT1 + DCR_LS |
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484 | out dx, al |
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485 | |||
486 | set_io P0_PSTART |
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487 | mov al, MEM_16384 |
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488 | out dx, al |
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489 | |||
490 | set_io P0_PSTOP |
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491 | mov al, MEM_32768 |
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492 | out dx, al |
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493 | |||
494 | mov esi, test_data |
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495 | mov bx, 16384 |
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496 | mov cx, 14 |
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497 | call eth_pio_write |
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498 | |||
499 | mov bx, 16384 |
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500 | mov cx, 14 |
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501 | lea edi, [ebp + device.romdata] |
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502 | call eth_pio_read |
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503 | |||
504 | lea esi, [ebp + device.romdata] |
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505 | mov edi, test_data |
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506 | mov ecx, 13 |
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507 | |||
508 | repz cmpsb |
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509 | jz ep_set_vendor |
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510 | |||
511 | |||
512 | DEBUGF 2,"Trying 8-bit mode\n" |
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513 | |||
514 | mov [ebp + device.flags], FLAG_PIO |
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515 | mov [ebp + device.memsize], MEM_16384 |
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516 | mov [ebp + device.tx_start], 32 |
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517 | mov [ebp + device.rx_start], TXBUF_SIZE + 32 |
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518 | |||
519 | mov dx, [ebp + device.asic_base] |
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520 | add dx, NE_RESET |
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521 | |||
522 | in al, dx |
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523 | out dx, al |
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524 | |||
525 | in al, 0x84 |
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526 | |||
527 | set_io 0 |
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528 | mov al, CMD_RD2 + CMD_STP |
||
529 | out dx, al |
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530 | |||
531 | set_io P0_RCR |
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532 | mov al, RCR_MON |
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533 | out dx, al |
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534 | |||
535 | set_io P0_DCR |
||
536 | mov al, DCR_FT1 + DCR_LS |
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537 | out dx, al |
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538 | |||
539 | set_io P0_PSTART |
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540 | mov al, MEM_8192 |
||
541 | out dx, al |
||
542 | |||
543 | set_io P0_PSTOP |
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544 | mov al, MEM_16384 |
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545 | out dx, al |
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546 | |||
547 | mov esi, test_data |
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548 | mov bx, 8192 |
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549 | mov cx, 14 |
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550 | call eth_pio_write |
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551 | |||
552 | mov bx, 8192 |
||
553 | mov cx, 14 |
||
554 | lea edi, [ebp + device.romdata] |
||
555 | call eth_pio_read |
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556 | |||
557 | mov esi, test_data |
||
558 | lea edi, [ebp + device.romdata] |
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559 | mov ecx, 13 |
||
560 | |||
561 | repz cmpsb |
||
562 | jz ep_set_vendor |
||
563 | |||
564 | DEBUGF 2,"This is not a valid ne2000 device!\n" |
||
565 | or eax, -1 |
||
566 | ret |
||
567 | |||
568 | |||
569 | ep_set_vendor: |
||
570 | |||
571 | cmp [ebp + device.io_addr], ISA_MAX_ADDR |
||
572 | jbe ep_001 |
||
573 | |||
574 | DEBUGF 2,"Card is using PCI bus\n" |
||
575 | |||
576 | ;;; or [ebp + device.flags], FLAG_16BIT |
||
577 | |||
578 | ep_001: |
||
579 | mov [ebp + device.vendor], VENDOR_NOVELL |
||
580 | |||
581 | ep_check_have_vendor: |
||
582 | |||
583 | mov ebx, ebp ;---- |
||
584 | |||
585 | mov al, [ebp + device.vendor] |
||
586 | cmp al, VENDOR_NONE |
||
587 | ;;;; je rtl8029_exit |
||
588 | |||
589 | cmp al, VENDOR_3COM |
||
590 | je reset |
||
591 | |||
592 | mov eax, [ebp + device.bmem] |
||
593 | mov [ebp + device.rmem], eax |
||
594 | |||
1178 | hidnplayr | 595 | ;-- hack (read mac from eeprom ant write it to hardware's register) |
1159 | hidnplayr | 596 | mov ebx, ebp |
597 | call read_mac |
||
598 | |||
599 | push .hack |
||
600 | sub esp, 6 |
||
601 | mov edi, esp |
||
602 | lea esi, [ebp + device.mac] |
||
603 | movsd |
||
604 | movsw |
||
605 | jmp write_mac |
||
606 | .hack: |
||
607 | ;--- hack |
||
608 | |||
609 | |||
610 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
611 | ;; |
||
612 | ;; reset: Place the chip into a virgin state |
||
613 | ;; |
||
614 | ;; Destroys: eax, ebx, ecx, edx |
||
615 | ;; |
||
616 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
617 | |||
618 | reset: |
||
619 | mov ebp, ebx ;--- |
||
620 | |||
1178 | hidnplayr | 621 | DEBUGF 2,"Resetting device\n" |
1159 | hidnplayr | 622 | |
623 | ; attach int handler |
||
624 | movzx eax, [ebp+device.irq_line] |
||
625 | DEBUGF 1,"Attaching int handler to irq %x\n",eax:1 |
||
626 | stdcall AttachIntHandler, eax, int_handler, dword 0 |
||
627 | |||
628 | ; Stop mode |
||
629 | |||
630 | set_io 0 |
||
631 | mov al, CMD_PS0 + CMD_RD2 + CMD_STP |
||
632 | out dx, al |
||
633 | |||
634 | set_io P0_DCR |
||
635 | test [ebp + device.flags], FLAG_16BIT |
||
636 | jz nsr_001 |
||
637 | |||
638 | mov al, 0x49 |
||
639 | jmp nsr_002 |
||
640 | |||
641 | nsr_001: |
||
642 | mov al, 0x48 |
||
643 | |||
644 | nsr_002: |
||
645 | out dx, al |
||
646 | |||
647 | |||
648 | ;clear remote bytes count |
||
649 | set_io 0 |
||
650 | |||
651 | xor al, al |
||
652 | |||
653 | set_io P0_RBCR0 |
||
654 | out dx, al |
||
655 | |||
656 | set_io P0_RBCR1 |
||
657 | out dx, al |
||
658 | |||
659 | |||
660 | ;initialize Receive configuration register |
||
661 | set_io P0_RCR |
||
662 | mov al, 0x20 ; monitor mode |
||
663 | out dx, al |
||
664 | |||
665 | |||
666 | ; transmit configuration register |
||
667 | set_io P0_TCR |
||
668 | mov al, 2 ; internal loopback |
||
669 | out dx, al |
||
670 | |||
671 | |||
672 | ; transmit page stuff |
||
673 | set_io P0_TPSR |
||
674 | mov al, [ebp + device.tx_start] |
||
675 | out dx, al |
||
676 | |||
677 | ; set receive control register ;;;; |
||
678 | set_io P0_RCR |
||
679 | mov al, 4 ; accept broadcast |
||
680 | out dx, al |
||
681 | |||
682 | ; pagestart |
||
683 | set_io P0_PSTART |
||
684 | mov al, [ebp + device.rx_start] |
||
685 | out dx, al |
||
686 | |||
687 | ; pagestop |
||
688 | set_io P0_PSTOP |
||
689 | mov al, [ebp + device.memsize] |
||
690 | out dx, al |
||
691 | |||
692 | ; page boundary |
||
693 | set_io P0_BOUND |
||
694 | mov al, [ebp + device.memsize] |
||
695 | dec al |
||
696 | out dx, al |
||
697 | |||
698 | |||
699 | ;;clear IRQ mask |
||
700 | ; set_io P0_IMR |
||
701 | ; xor al, al |
||
702 | ; out dx, al |
||
703 | |||
704 | set_io 0 |
||
705 | mov al, CMD_PS1 + CMD_RD2 + CMD_STP ; page 1, stop mode |
||
706 | out dx, al |
||
707 | |||
708 | set_io P1_CURR |
||
709 | mov al, [ebp + device.rx_start] |
||
710 | out dx, al |
||
711 | |||
712 | set_io 0 |
||
713 | mov al, CMD_PS0 + CMD_RD2 + CMD_STA ; go to page 0 |
||
714 | out dx, al |
||
715 | |||
716 | ; Read MAC address |
||
717 | mov ebx, ebp ;---- |
||
718 | call read_mac |
||
719 | |||
720 | ; clear interupt status |
||
1173 | clevermous | 721 | set_io 0 |
1159 | hidnplayr | 722 | set_io P0_ISR |
723 | mov al, 0xff |
||
724 | out dx, al |
||
725 | |||
726 | ; set IRQ mask |
||
727 | set_io P0_IMR |
||
728 | mov al, IRQ_MASK |
||
729 | out dx, al |
||
730 | |||
731 | ;; start mode |
||
732 | ; set_io 0 |
||
733 | ; mov al, CMD_STA |
||
734 | ; out dx, al |
||
735 | |||
736 | ; clear transmit control register |
||
737 | set_io P0_TCR |
||
738 | mov al, 0 ; no loopback |
||
739 | out dx, al |
||
740 | |||
1178 | hidnplayr | 741 | ; clear packet/byte counters |
1159 | hidnplayr | 742 | |
1178 | hidnplayr | 743 | lea edi, [ebp+device.bytes_tx] |
744 | mov ecx, 6 |
||
745 | rep stosd |
||
746 | |||
747 | |||
1159 | hidnplayr | 748 | ; Indicate that we have successfully reset the card |
749 | DEBUGF 2,"Done!\n" |
||
750 | xor eax, eax |
||
751 | |||
752 | mov ebx, ebp ;------ |
||
753 | |||
754 | ret |
||
755 | |||
756 | |||
757 | |||
758 | ;*************************************************************************** |
||
759 | ; Function |
||
760 | ; transmit |
||
761 | ; buffer in [esp], size in [esp+4], pointer to device struct in ebx |
||
762 | ;*************************************************************************** |
||
763 | |||
764 | align 4 |
||
765 | transmit: |
||
766 | mov ebp, ebx |
||
767 | |||
768 | mov esi, [esp] |
||
769 | mov ecx, [esp + 4] |
||
770 | DEBUGF 2,"Transmitting packet, buffer:%x, size:%u\n",esi, ecx |
||
771 | DEBUGF 2,"To: %x-%x-%x-%x-%x-%x From: %x-%x-%x-%x-%x-%x Type:%x%x\n",[esi+0]:2,[esi+1]:2,[esi+2]:2,[esi+3]:2,[esi+4]:2,[esi+5]:2,[esi+6]:2,[esi+7]:2,[esi+8]:2,[esi+9]:2,[esi+10]:2,[esi+11]:2,[esi+13]:2,[esi+12]:2 |
||
772 | |||
773 | cmp dword [esp+4], ETH_FRAME_LEN |
||
774 | jg .finish ; packet is too long |
||
775 | cmp dword [esp+4], 60 |
||
776 | jl .finish ; packet is too short |
||
777 | |||
778 | xor bl, bl |
||
779 | mov bh, [ebp + device.tx_start] |
||
780 | push cx |
||
781 | call eth_pio_write |
||
782 | pop cx |
||
783 | |||
784 | set_io 0 |
||
785 | mov al, CMD_PS0 + CMD_RD2 + CMD_STA |
||
786 | out dx, al |
||
787 | |||
788 | set_io P0_TPSR |
||
789 | mov al, [ebp + device.tx_start] |
||
790 | out dx, al |
||
791 | |||
792 | set_io P0_TBCR0 |
||
793 | mov al, cl |
||
794 | out dx, al |
||
795 | |||
796 | set_io P0_TBCR1 |
||
797 | mov al, ch |
||
798 | out dx, al |
||
799 | |||
800 | set_io 0 |
||
801 | mov al, CMD_PS0 + CMD_TXP + CMD_RD2 + CMD_STA |
||
802 | out dx, al |
||
803 | |||
804 | DEBUGF 2," - Packet Sent!\n" |
||
1178 | hidnplayr | 805 | |
806 | inc [ebp+device.packets_tx] ; |
||
807 | mov eax, [esp+4] ; Get packet size in eax |
||
808 | |||
809 | add dword [ebp + device.bytes_tx], eax |
||
810 | adc dword [ebp + device.bytes_tx + 4], 0 |
||
1159 | hidnplayr | 811 | .finish: |
812 | mov ebx, ebp |
||
813 | |||
814 | call KernelFree |
||
815 | add esp, 4 ; pop (balance stack) |
||
816 | xor eax, eax |
||
817 | |||
818 | ret |
||
819 | |||
820 | |||
821 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
822 | ; |
||
823 | ; Interrupt handler |
||
824 | ; |
||
825 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
826 | align 4 |
||
827 | int_handler: |
||
828 | |||
829 | DEBUGF 2,"IRQ %x ",eax:2 |
||
830 | |||
831 | ; find pointer of device wich made INT occur |
||
832 | mov esi, ne2000_LIST |
||
833 | mov ecx, [ne2000_DEV] |
||
834 | .nextdevice: |
||
835 | mov ebp, dword [esi] |
||
836 | |||
1178 | hidnplayr | 837 | set_io 0 |
1159 | hidnplayr | 838 | set_io P0_ISR |
839 | in al, dx |
||
840 | |||
841 | DEBUGF 2,"isr %x ",eax:2 |
||
842 | |||
1178 | hidnplayr | 843 | test al, ISR_PRX ; packet received ok ? |
1159 | hidnplayr | 844 | jnz .rx |
845 | |||
846 | add esi, 4 |
||
847 | |||
848 | loop .nextdevice |
||
849 | ret |
||
850 | |||
1178 | hidnplayr | 851 | |
852 | |||
853 | ; looks like we've found a device wich received a packet.. |
||
1159 | hidnplayr | 854 | .rx: |
1178 | hidnplayr | 855 | stdcall KernelAlloc, ETH_FRAME_LEN ; size doesnt really matter as packet size is smaller then kernel's page size |
856 | test eax, eax |
||
857 | jz .fail_2 |
||
1159 | hidnplayr | 858 | |
1178 | hidnplayr | 859 | ;-------------------------------------- |
860 | ; allocate memory for temp variables in stack |
||
1159 | hidnplayr | 861 | |
1178 | hidnplayr | 862 | sub esp, 14+8 |
1159 | hidnplayr | 863 | |
864 | eth_type equ esp |
||
865 | pkthdr equ esp + 2 |
||
866 | pktoff equ esp + 6 |
||
867 | eth_rx_data_ptr equ esp + 8 |
||
868 | eth_tmp_len equ esp + 12 |
||
869 | |||
1178 | hidnplayr | 870 | ; These will be used by eth_receiver when the packet gets there |
871 | |||
1159 | hidnplayr | 872 | pointer equ esp + 14 |
873 | size equ esp + 18 |
||
874 | |||
1178 | hidnplayr | 875 | ;------------------------------------- |
876 | |||
1159 | hidnplayr | 877 | mov [pointer], eax |
878 | mov [eth_rx_data_ptr], eax |
||
879 | |||
880 | set_io P0_BOUND |
||
881 | in al, dx |
||
882 | inc al |
||
883 | |||
884 | cmp al, [ebp + device.memsize] |
||
885 | jb .nsp_001 |
||
886 | |||
887 | mov al, [ebp + device.rx_start] |
||
888 | |||
889 | .nsp_001: |
||
890 | mov ch, al |
||
891 | |||
892 | set_io 0 |
||
893 | mov al, CMD_PS1 |
||
894 | out dx, al |
||
895 | |||
896 | set_io P1_CURR |
||
897 | in al, dx ; get current page |
||
898 | mov cl, al |
||
899 | |||
900 | set_io 0 |
||
901 | mov al, CMD_PS0 |
||
902 | out dx, al |
||
903 | |||
904 | cmp cl, [ebp + device.memsize] |
||
905 | jb .nsp_002 |
||
906 | |||
907 | mov cl, [ebp + device.rx_start] |
||
908 | |||
909 | .nsp_002: |
||
910 | cmp cl, ch |
||
911 | je .fail |
||
912 | |||
913 | xor ax, ax |
||
914 | mov ah, ch |
||
915 | |||
916 | mov [pktoff], ax |
||
917 | |||
918 | mov al, [ebp + device.flags] |
||
919 | test al, FLAG_PIO |
||
920 | jz .nsp_003 |
||
921 | |||
922 | mov bx, word [pktoff] |
||
923 | lea edi, [pkthdr] |
||
924 | mov cx, 4 |
||
925 | call eth_pio_read |
||
926 | jmp .nsp_004 |
||
927 | |||
928 | .nsp_003: |
||
929 | mov edi, [ebp + device.rmem] |
||
930 | movzx eax, word [pktoff] |
||
931 | add edi, eax |
||
932 | mov eax, [edi] |
||
933 | mov [pkthdr], eax |
||
934 | |||
935 | .nsp_004: |
||
936 | add word[pktoff] , 4 |
||
937 | |||
938 | xor eax, eax |
||
1178 | hidnplayr | 939 | mov ax , [pkthdr + 2] |
940 | sub ax , 4 |
||
1159 | hidnplayr | 941 | |
942 | DEBUGF 2,"Received %u bytes\n",eax |
||
943 | |||
1178 | hidnplayr | 944 | add dword [ebp + device.bytes_rx], eax ; Update stats |
945 | adc dword [ebp + device.bytes_rx + 4], 0 |
||
946 | inc dword [ebp + device.packets_rx] ; |
||
947 | |||
1159 | hidnplayr | 948 | mov [eth_tmp_len], ax |
949 | mov dword[size], eax |
||
950 | |||
951 | cmp ax, ETH_ZLEN |
||
952 | jb .fail |
||
953 | |||
1178 | hidnplayr | 954 | cmp ax , ETH_FRAME_LEN |
1159 | hidnplayr | 955 | ja .fail |
956 | |||
1178 | hidnplayr | 957 | mov al , [pkthdr] |
958 | test al , RSTAT_PRX |
||
1159 | hidnplayr | 959 | jz .fail |
960 | |||
961 | ; Right, we can now get the data |
||
962 | |||
1178 | hidnplayr | 963 | xor ebx, ebx |
964 | mov bh , [ebp + device.memsize] |
||
965 | sub bx , [pktoff] |
||
1159 | hidnplayr | 966 | |
967 | cmp [eth_tmp_len], bx |
||
968 | jbe .nsp_005 |
||
969 | |||
1187 | hidnplayr | 970 | DEBUGF 2,"WRAP!\n" |
1178 | hidnplayr | 971 | |
972 | mov al , [ebp + device.flags] |
||
973 | test al , FLAG_PIO |
||
1159 | hidnplayr | 974 | jz .nsp_006 |
975 | |||
1178 | hidnplayr | 976 | push ebx |
977 | mov cx , bx |
||
978 | mov bx , [pktoff+4] |
||
979 | mov edi, [eth_rx_data_ptr+4] |
||
1159 | hidnplayr | 980 | call eth_pio_read |
1178 | hidnplayr | 981 | pop ebx |
1159 | hidnplayr | 982 | jmp .nsp_007 |
983 | |||
984 | .nsp_006: |
||
1178 | hidnplayr | 985 | DEBUGF 2,"PIO mode not supported by HW!\n" |
1159 | hidnplayr | 986 | ; Not implemented, as we are using PIO mode on this card |
987 | |||
988 | .nsp_007: |
||
989 | xor al, al |
||
990 | mov ah, [ebp + device.rx_start] |
||
991 | mov [pktoff], ax |
||
992 | |||
993 | add [eth_rx_data_ptr], ebx |
||
1187 | hidnplayr | 994 | sub [eth_tmp_len], bx |
1159 | hidnplayr | 995 | |
996 | .nsp_005: |
||
997 | test [ebp + device.flags], FLAG_PIO |
||
998 | jz .nsp_008 |
||
999 | |||
1000 | xor ebx, ebx |
||
1001 | mov bx, [pktoff] |
||
1002 | xor ecx, ecx |
||
1003 | mov cx, [eth_tmp_len] |
||
1004 | mov edi, [eth_rx_data_ptr] |
||
1005 | call eth_pio_read |
||
1006 | jmp .nsp_009 |
||
1007 | |||
1008 | .nsp_008: |
||
1178 | hidnplayr | 1009 | DEBUGF 2,"PIO mode not supported by HW!\n" |
1159 | hidnplayr | 1010 | ; Not implemented, as we are using PIO mode on this card |
1011 | |||
1012 | .nsp_009: |
||
1013 | mov al, [pkthdr+1] |
||
1014 | cmp al, [ebp + device.rx_start] |
||
1015 | jne .nsp_010 |
||
1016 | |||
1017 | mov al, [ebp + device.memsize] |
||
1018 | |||
1019 | .nsp_010: |
||
1020 | set_io 0 |
||
1021 | set_io P0_BOUND |
||
1022 | dec al |
||
1023 | out dx, al |
||
1024 | |||
1178 | hidnplayr | 1025 | mov ebx, ebp |
1159 | hidnplayr | 1026 | add esp, 14 |
1027 | |||
1028 | mov ebx, ebp |
||
1178 | hidnplayr | 1029 | jmp EthReceiver ; send it to the kernel |
1159 | hidnplayr | 1030 | |
1031 | .fail: |
||
1032 | add esp, 14+8 |
||
1178 | hidnplayr | 1033 | .fail_2: |
1159 | hidnplayr | 1034 | DEBUGF 2,"done\n" |
1035 | ret |
||
1036 | |||
1037 | |||
1038 | |||
1039 | |||
1040 | |||
1041 | ;;;;;;;;;;;;;;;;;;;;;;; |
||
1042 | ;; ;; |
||
1043 | ;; Write MAC address ;; |
||
1044 | ;; ;; |
||
1045 | ;;;;;;;;;;;;;;;;;;;;;;; |
||
1046 | |||
1047 | align 4 |
||
1178 | hidnplayr | 1048 | write_mac: ; in: mac on stack (6 bytes) |
1159 | hidnplayr | 1049 | |
1050 | mov ebp, ebx ;--- |
||
1051 | |||
1052 | DEBUGF 1,"Writing MAC: " |
||
1053 | |||
1054 | set_io 0 |
||
1055 | mov al, CMD_PS1; + CMD_RD2 + CMD_STP |
||
1056 | out dx, al |
||
1057 | |||
1058 | set_io P1_PAR0 |
||
1059 | mov esi, esp |
||
1060 | mov cx, 6 |
||
1061 | @@: |
||
1062 | lodsb |
||
1063 | out dx, al |
||
1064 | inc dx |
||
1065 | loopw @r |
||
1066 | |||
1067 | add esp, 6 |
||
1068 | |||
1069 | mov ebx, ebp ;--- |
||
1070 | |||
1071 | ; Notice this procedure does not ret, but continues to read_mac instead. |
||
1072 | |||
1073 | ;;;;;;;;;;;;;;;;;;;;;; |
||
1074 | ;; ;; |
||
1075 | ;; Read MAC address ;; |
||
1076 | ;; ;; |
||
1077 | ;;;;;;;;;;;;;;;;;;;;;; |
||
1078 | |||
1079 | read_mac: |
||
1080 | |||
1081 | mov ebp, ebx ;----- |
||
1082 | |||
1083 | DEBUGF 1,"Reading MAC: " |
||
1084 | |||
1085 | ; set_io 0 |
||
1086 | ; mov al, CMD_PS1; + CMD_RD2 + CMD_STP ; select page 1 |
||
1087 | ; out dx, al |
||
1088 | ; |
||
1089 | ; set_io P1_PAR0 |
||
1090 | ; lea edi, [ebp + device.mac] |
||
1091 | ; |
||
1092 | ; mov cx, 6 |
||
1093 | ; .loop: |
||
1094 | ; in al, dx |
||
1095 | ; stosb |
||
1096 | ; inc dx |
||
1097 | ; loopw .loop |
||
1098 | ; |
||
1099 | ; set_io 0 |
||
1100 | ; mov al, CMD_PS0; + CMD_RD2 + CMD_STA ; set page back to 0 |
||
1101 | ; out dx, al |
||
1102 | |||
1103 | |||
1104 | mov bx, 0 |
||
1105 | mov cx, 16 |
||
1106 | lea edi, [ebp + device.romdata] |
||
1107 | call eth_pio_read |
||
1108 | |||
1109 | lea esi, [ebp + device.romdata] |
||
1110 | lea edi, [ebp + device.mac] |
||
1111 | mov ecx, 6 |
||
1112 | |||
1113 | .loop: |
||
1114 | movsb |
||
1115 | test [ebp + device.flags], FLAG_16BIT |
||
1116 | jz .8bit |
||
1117 | inc esi |
||
1118 | .8bit: |
||
1119 | loop .loop |
||
1120 | |||
1178 | hidnplayr | 1121 | DEBUGF 1,"%x-%x-%x-%x-%x-%x\n",[edi-6]:2,[edi-5]:2,[edi-4]:2,[edi-3]:2,[edi-2]:2,[edi-1]:2 |
1159 | hidnplayr | 1122 | |
1123 | mov ebx, ebp ;--- |
||
1124 | |||
1125 | ret |
||
1126 | |||
1127 | |||
1128 | ;*************************************************************************** |
||
1129 | ; Function |
||
1130 | ; eth_pio_read |
||
1131 | ; |
||
1132 | ; Description |
||
1133 | ; Read a frame from the ethernet card via Programmed I/O |
||
1134 | ; src in bx |
||
1135 | ; cnt in cx |
||
1136 | ; dst in edi |
||
1137 | ;*************************************************************************** |
||
1138 | eth_pio_read: |
||
1139 | |||
1140 | DEBUGF 1,"Eth PIO Read from %x to %x, %u bytes ",bx,edi,cx |
||
1141 | |||
1142 | set_io 0 |
||
1143 | mov al, CMD_RD2 + CMD_STA |
||
1144 | out dx, al |
||
1145 | |||
1146 | mov al, cl |
||
1147 | set_io P0_RBCR0 |
||
1148 | out dx, al |
||
1149 | |||
1150 | mov al, ch |
||
1151 | set_io P0_RBCR1 |
||
1152 | out dx, al |
||
1153 | |||
1154 | mov al, bl |
||
1155 | set_io P0_RSAR0 |
||
1156 | out dx, al |
||
1157 | |||
1158 | mov al, bh |
||
1159 | set_io P0_RSAR1 |
||
1160 | out dx, al |
||
1161 | |||
1162 | mov al, CMD_RD0 + CMD_STA |
||
1163 | set_io 0 |
||
1164 | out dx, al |
||
1165 | |||
1166 | mov dx, [ebp + device.asic_base] |
||
1167 | |||
1168 | test [ebp+device.flags], FLAG_16BIT |
||
1169 | jz epr_003 |
||
1170 | |||
1171 | DEBUGF 1,"in 16-bits mode" |
||
1172 | |||
1173 | shr cx, 1 ; note that if the number was odd, carry flag will be set |
||
1174 | pushf ; save the flags for later |
||
1175 | |||
1176 | epr_002: |
||
1177 | in ax, dx |
||
1178 | stosw |
||
1179 | loopw epr_002 |
||
1180 | |||
1181 | inc cx |
||
1182 | popf |
||
1183 | jnc epr_004 |
||
1184 | |||
1185 | epr_003: |
||
1186 | in al, dx |
||
1187 | stosb |
||
1188 | loopw epr_003 |
||
1189 | |||
1190 | |||
1191 | epr_004: |
||
1192 | set_io 0 |
||
1193 | set_io P0_ISR |
||
1194 | |||
1195 | epr_005: ; Wait for Remote DMA Complete |
||
1196 | in al, dx |
||
1197 | test al, ISR_RDC |
||
1198 | jz epr_005 |
||
1199 | ; and al, not ISR_RDC |
||
1200 | out dx, al ; clear the bit |
||
1201 | |||
1202 | |||
1203 | DEBUGF 1,"\n" |
||
1204 | ret |
||
1205 | |||
1206 | |||
1207 | |||
1208 | |||
1209 | ;*************************************************************************** |
||
1210 | ; Function |
||
1211 | ; eth_pio_write |
||
1212 | ; |
||
1213 | ; Description |
||
1214 | ; writes a frame to the ethernet card via Programmed I/O |
||
1215 | ; dst in bx |
||
1216 | ; cnt in cx |
||
1217 | ; src in esi |
||
1218 | ;*************************************************************************** |
||
1219 | eth_pio_write: |
||
1220 | |||
1221 | DEBUGF 1,"Eth PIO Write from %x to %x, %u bytes ",esi,bx,cx |
||
1222 | |||
1223 | set_io 0 |
||
1224 | mov al, CMD_RD2 + CMD_STA |
||
1225 | out dx, al |
||
1226 | |||
1227 | set_io P0_ISR |
||
1228 | mov al, ISR_RDC |
||
1229 | out dx, al |
||
1230 | |||
1231 | set_io P0_RBCR0 |
||
1232 | mov al, cl |
||
1233 | out dx, al |
||
1234 | |||
1235 | set_io P0_RBCR1 |
||
1236 | mov al, ch |
||
1237 | out dx, al |
||
1238 | |||
1239 | set_io P0_RSAR0 |
||
1240 | mov al, bl |
||
1241 | out dx, al |
||
1242 | |||
1243 | set_io P0_RSAR1 |
||
1244 | mov al, bh |
||
1245 | out dx, al |
||
1246 | |||
1247 | set_io 0 |
||
1248 | mov al, CMD_RD1 + CMD_STA |
||
1249 | out dx, al |
||
1250 | |||
1251 | mov dx, [ebp + device.asic_base] |
||
1252 | test [ebp + device.flags], FLAG_16BIT |
||
1253 | jz epw_003 |
||
1254 | |||
1255 | DEBUGF 1,"in 16-bits mode" |
||
1256 | |||
1257 | shr cx, 1 ; note that if the number was odd, carry flag will be set |
||
1258 | pushf ; save the flags for later |
||
1259 | |||
1260 | epw_002: |
||
1261 | lodsw |
||
1262 | out dx, ax |
||
1263 | loopw epw_002 |
||
1264 | |||
1265 | popf |
||
1266 | jnc epw_004 |
||
1267 | inc cx |
||
1268 | |||
1269 | epw_003: |
||
1270 | lodsb |
||
1271 | out dx, al |
||
1272 | loopw epw_003 |
||
1273 | |||
1274 | epw_004: |
||
1275 | set_io 0 |
||
1276 | set_io P0_ISR |
||
1277 | |||
1278 | epw_005: ; Wait for Remote DMA Complete |
||
1279 | in al, dx |
||
1280 | test al, ISR_RDC |
||
1281 | jz epw_005 |
||
1282 | ; and al, not ISR_RDC |
||
1283 | out dx, al ; clear the bit |
||
1284 | |||
1285 | |||
1286 | DEBUGF 1,"\n" |
||
1287 | ret |
||
1288 | |||
1289 | |||
1290 | |||
1291 | ;all initialized data place here |
||
1292 | align 4 |
||
1293 | |||
1294 | ne2000_DEV dd 0 |
||
1295 | version dd (5 shl 16) or (API_VERSION and 0xFFFF) |
||
1178 | hidnplayr | 1296 | my_service db 'RTL8029/ne2000',0 ;max 16 chars include zero |
1159 | hidnplayr | 1297 | |
1178 | hidnplayr | 1298 | device_1 db 'Realtek 8029',0 |
1299 | device_2 db 'Realtek 8019',0 |
||
1300 | device_3 db 'Realtek 8019AS',0 |
||
1301 | device_4 db 'ne2000',0 |
||
1302 | device_5 db 'DP8390',0 |
||
1303 | |||
1159 | hidnplayr | 1304 | test_data db 'NE*000 memory',0 |
1305 | |||
1306 | include_debug_strings |
||
1307 | |||
1178 | hidnplayr | 1308 | section '.data' data readable writable align 16 ;place all uninitialized data place here |
1159 | hidnplayr | 1309 | |
1178 | hidnplayr | 1310 | ne2000_LIST rd MAX_ne2000 |
1159 | hidnplayr | 1311 |