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Rev | Author | Line No. | Line |
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3545 | hidnplayr | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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4467 | hidnplayr | 3 | ;; Copyright (C) KolibriOS team 2004-2014. All rights reserved. ;; |
3545 | hidnplayr | 4 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; ;; |
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6 | ;; RTL8029/ne2000 driver for KolibriOS ;; |
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7 | ;; ;; |
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8 | ;; based on RTL8029.asm driver for menuetos ;; |
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9 | ;; and realtek8029.asm for SolarOS by Eugen Brasoveanu ;; |
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10 | ;; ;; |
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11 | ;; Written by hidnplayr@kolibrios.org ;; |
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12 | ;; with help from CleverMouse ;; |
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13 | ;; ;; |
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14 | ;; GNU GENERAL PUBLIC LICENSE ;; |
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15 | ;; Version 2, June 1991 ;; |
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16 | ;; ;; |
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17 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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18 | |||
5005 | hidnplayr | 19 | format PE DLL native |
20 | entry START |
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3545 | hidnplayr | 21 | |
5005 | hidnplayr | 22 | CURRENT_API = 0x0200 |
23 | COMPATIBLE_API = 0x0100 |
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24 | API_VERSION = (COMPATIBLE_API shl 16) + CURRENT_API |
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3545 | hidnplayr | 25 | |
26 | MAX_DEVICES = 16 |
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27 | |||
28 | DEBUG = 1 |
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29 | __DEBUG__ = 1 |
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3856 | hidnplayr | 30 | __DEBUG_LEVEL__ = 2 ; 1 = verbose, 2 = errors only |
3545 | hidnplayr | 31 | |
5005 | hidnplayr | 32 | section '.flat' readable writable executable |
33 | |||
4467 | hidnplayr | 34 | include '../struct.inc' |
35 | include '../macros.inc' |
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3545 | hidnplayr | 36 | include '../proc32.inc' |
37 | include '../fdo.inc' |
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5074 | hidnplayr | 38 | include '../netdrv.inc' |
3545 | hidnplayr | 39 | |
5005 | hidnplayr | 40 | struct device ETH_DEVICE |
3545 | hidnplayr | 41 | |
5005 | hidnplayr | 42 | io_addr dd ? |
43 | irq_line db ? |
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44 | pci_bus dd ? |
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45 | pci_dev dd ? |
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3545 | hidnplayr | 46 | |
5005 | hidnplayr | 47 | flags db ? |
48 | vendor db ? |
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3545 | hidnplayr | 49 | |
5005 | hidnplayr | 50 | memsize db ? |
51 | rx_start db ? |
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52 | tx_start db ? |
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53 | bmem dd ? |
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54 | rmem dd ? |
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3545 | hidnplayr | 55 | |
5005 | hidnplayr | 56 | ends |
3545 | hidnplayr | 57 | |
58 | P0_COMMAND = 0x00 |
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59 | P0_PSTART = 0x01 |
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60 | P0_PSTOP = 0x02 |
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61 | P0_BOUND = 0x03 |
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62 | P0_TSR = 0x04 |
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63 | P0_TPSR = 0x04 |
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64 | P0_TBCR0 = 0x05 |
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65 | P0_TBCR1 = 0x06 |
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66 | P0_ISR = 0x07 |
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67 | P0_RSAR0 = 0x08 |
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68 | P0_RSAR1 = 0x09 |
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69 | P0_RBCR0 = 0x0A |
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70 | P0_RBCR1 = 0x0B |
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71 | P0_RSR = 0x0C |
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72 | P0_RCR = 0x0C |
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73 | P0_TCR = 0x0D |
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74 | P0_DCR = 0x0E |
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75 | P0_IMR = 0x0F |
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76 | |||
77 | P1_COMMAND = 0x00 |
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78 | P1_PAR0 = 0x01 |
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79 | P1_PAR1 = 0x02 |
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80 | P1_PAR2 = 0x03 |
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81 | P1_PAR3 = 0x04 |
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82 | P1_PAR4 = 0x05 |
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83 | P1_PAR5 = 0x06 |
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84 | P1_CURR = 0x07 |
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85 | P1_MAR0 = 0x08 |
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86 | |||
87 | CMD_PS0 = 0x00 ; Page 0 select |
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88 | CMD_PS1 = 0x40 ; Page 1 select |
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89 | CMD_PS2 = 0x80 ; Page 2 select |
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90 | CMD_RD2 = 0x20 ; Remote DMA control |
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91 | CMD_RD1 = 0x10 |
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92 | CMD_RD0 = 0x08 |
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93 | CMD_TXP = 0x04 ; transmit packet |
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94 | CMD_STA = 0x02 ; start |
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95 | CMD_STP = 0x01 ; stop |
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96 | |||
97 | CMD_RDMA_READ = 001b shl 3 |
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98 | CMD_RDMA_WRITE = 010b shl 3 |
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99 | CMD_RDMA_SEND_PACKET = 011b shl 3 |
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100 | CMD_RDMA_ABORT = 100b shl 3 ; really is 1xx, Abort/Complete Remote DMA |
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101 | ; RDMA_MASK = 111b shl 3 ; internal, mask |
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102 | |||
103 | RCR_MON = 0x20 ; monitor mode |
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104 | |||
105 | DCR_FT1 = 0x40 |
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106 | DCR_LS = 0x08 ; Loopback select |
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107 | DCR_WTS = 0x01 ; Word transfer select |
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108 | |||
109 | ISR_PRX = 0x01 ; successful recv |
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110 | ISR_PTX = 0x02 ; successful xmit |
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111 | ISR_RXE = 0x04 ; receive error |
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112 | ISR_TXE = 0x08 ; transmit error |
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113 | ISR_OVW = 0x10 ; Overflow |
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114 | ISR_CNT = 0x20 ; Counter overflow |
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115 | ISR_RDC = 0x40 ; Remote DMA complete |
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116 | ISR_RST = 0x80 ; reset |
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117 | |||
118 | IRQ_MASK = ISR_PRX ;+ ISR_PTX ;+ ISR_RDC + ISR_PTX + ISR_TXE |
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119 | |||
120 | RSTAT_PRX = 1 shl 0 ; successful recv |
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121 | RSTAT_CRC = 1 shl 1 ; CRC error |
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122 | RSTAT_FAE = 1 shl 2 ; Frame alignment error |
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123 | RSTAT_OVER = 1 shl 3 ; FIFO overrun |
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124 | |||
125 | TXBUF_SIZE = 6 |
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126 | RXBUF_END = 32 |
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127 | PAGE_SIZE = 256 |
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128 | |||
129 | ETH_ZLEN = 60 |
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130 | ETH_FRAME_LEN = 1514 |
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131 | |||
132 | FLAG_PIO = 1 shl 0 |
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133 | FLAG_16BIT = 1 shl 1 |
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134 | |||
135 | VENDOR_NONE = 0 |
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136 | VENDOR_WD = 1 |
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137 | VENDOR_NOVELL = 2 |
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138 | VENDOR_3COM = 3 |
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139 | |||
140 | NE_ASIC = 0x10 |
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141 | NE_RESET = 0x0F ; Used to reset card |
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142 | NE_DATA = 0x00 ; Used to read/write NIC mem |
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143 | |||
144 | MEM_8k = 32 |
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145 | MEM_16k = 64 |
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146 | MEM_32k = 128 |
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147 | |||
148 | ISA_MAX_ADDR = 0x400 |
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149 | |||
150 | |||
151 | |||
5005 | hidnplayr | 152 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
153 | ;; ;; |
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154 | ;; proc START ;; |
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155 | ;; ;; |
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156 | ;; (standard driver proc) ;; |
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157 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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3545 | hidnplayr | 158 | |
5005 | hidnplayr | 159 | proc START c, reason:dword, cmdline:dword |
3545 | hidnplayr | 160 | |
5005 | hidnplayr | 161 | cmp [reason], DRV_ENTRY |
162 | jne .fail |
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3545 | hidnplayr | 163 | |
5005 | hidnplayr | 164 | DEBUGF 2,"Loading driver\n" |
165 | invoke RegService, my_service, service_proc |
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3545 | hidnplayr | 166 | ret |
5005 | hidnplayr | 167 | |
3545 | hidnplayr | 168 | .fail: |
169 | xor eax, eax |
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170 | ret |
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171 | |||
172 | endp |
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173 | |||
174 | |||
5005 | hidnplayr | 175 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
176 | ;; ;; |
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177 | ;; proc SERVICE_PROC ;; |
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178 | ;; ;; |
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179 | ;; (standard driver proc) ;; |
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180 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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3545 | hidnplayr | 181 | |
182 | align 4 |
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183 | proc service_proc stdcall, ioctl:dword |
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184 | |||
185 | mov edx, [ioctl] |
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4470 | hidnplayr | 186 | mov eax, [edx + IOCTL.io_code] |
3545 | hidnplayr | 187 | |
188 | ;------------------------------------------------------ |
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189 | ;--------------- |
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190 | cmp eax, 0 ;SRV_GETVERSION |
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191 | jne @F ;--------------- |
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192 | |||
4470 | hidnplayr | 193 | cmp [edx + IOCTL.out_size], 4 |
3545 | hidnplayr | 194 | jb .fail |
4470 | hidnplayr | 195 | mov eax, [edx + IOCTL.output] |
3545 | hidnplayr | 196 | mov [eax], dword API_VERSION |
197 | |||
198 | xor eax, eax |
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199 | ret |
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200 | |||
201 | ;------------------------------------------------------ |
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202 | @@: ;--------- |
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203 | cmp eax, 1 ;SRV_HOOK |
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204 | jne @F ;--------- |
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205 | |||
3856 | hidnplayr | 206 | DEBUGF 1, "Checking if device is already listed..\n" |
3545 | hidnplayr | 207 | |
4470 | hidnplayr | 208 | mov eax, [edx + IOCTL.input] |
3545 | hidnplayr | 209 | |
4470 | hidnplayr | 210 | cmp [edx + IOCTL.inp_size], 3 |
3545 | hidnplayr | 211 | jb .fail |
212 | cmp byte [eax], 1 |
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213 | je .pci |
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214 | |||
4470 | hidnplayr | 215 | cmp [edx + IOCTL.inp_size], 4 |
3545 | hidnplayr | 216 | jb .fail |
217 | cmp byte [eax], 0 |
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218 | je .isa |
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219 | |||
220 | jmp .fail |
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221 | |||
222 | .pci: |
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223 | |||
224 | ; check if the device is already listed |
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225 | |||
226 | mov esi, device_list |
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227 | mov ecx, [devices] |
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228 | test ecx, ecx |
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229 | jz .firstdevice_pci |
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230 | |||
231 | mov ax, [eax+1] ; get the pci bus and device numbers |
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232 | .nextdevice: |
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233 | mov ebx, [esi] |
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5005 | hidnplayr | 234 | cmp al, byte[ebx + device.pci_bus] |
3545 | hidnplayr | 235 | jne @f |
5005 | hidnplayr | 236 | cmp ah, byte[ebx + device.pci_dev] |
3545 | hidnplayr | 237 | je .find_devicenum ; Device is already loaded, let's find it's device number |
238 | @@: |
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239 | add esi, 4 |
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240 | loop .nextdevice |
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241 | |||
242 | .firstdevice_pci: |
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243 | call create_new_struct |
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244 | |||
4470 | hidnplayr | 245 | mov eax, [edx + IOCTL.input] |
3545 | hidnplayr | 246 | movzx ecx, byte[eax+1] |
5005 | hidnplayr | 247 | mov [ebx + device.pci_bus], ecx |
3545 | hidnplayr | 248 | movzx ecx, byte[eax+2] |
5005 | hidnplayr | 249 | mov [ebx + device.pci_dev], ecx |
3545 | hidnplayr | 250 | |
251 | ; Now, it's time to find the base io addres of the PCI device |
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252 | |||
5005 | hidnplayr | 253 | stdcall PCI_find_io, [ebx + device.pci_bus], [ebx + device.pci_dev] |
254 | mov [ebx + device.io_addr], eax |
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3545 | hidnplayr | 255 | |
256 | ; We've found the io address, find IRQ now |
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257 | |||
5005 | hidnplayr | 258 | invoke PciRead8, [ebx + device.pci_bus], [ebx + device.pci_dev], PCI_header00.interrupt_line |
259 | mov [ebx + device.irq_line], al |
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3545 | hidnplayr | 260 | jmp .hook |
261 | |||
262 | .isa: |
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263 | mov esi, device_list |
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264 | mov ecx, [devices] |
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265 | test ecx, ecx |
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266 | jz .firstdevice_isa |
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4974 | hidnplayr | 267 | movzx edi, word [eax+1] |
3545 | hidnplayr | 268 | mov al, [eax+3] |
269 | .nextdevice_isa: |
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270 | mov ebx, [esi] |
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5005 | hidnplayr | 271 | cmp edi, [ebx + device.io_addr] |
3545 | hidnplayr | 272 | jne .maybenext |
5005 | hidnplayr | 273 | cmp al, [ebx + device.irq_line] |
3545 | hidnplayr | 274 | je find_device_num |
275 | .maybenext: |
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276 | add esi, 4 |
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277 | loop .nextdevice_isa |
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278 | |||
279 | |||
280 | |||
281 | .firstdevice_isa: |
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282 | call create_new_struct |
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283 | |||
4470 | hidnplayr | 284 | mov eax, [edx + IOCTL.input] |
4974 | hidnplayr | 285 | movzx ecx, word[eax+1] |
5005 | hidnplayr | 286 | mov [ebx + device.io_addr], ecx |
3545 | hidnplayr | 287 | mov cl, [eax+3] |
5005 | hidnplayr | 288 | mov [ebx + device.irq_line], cl |
3545 | hidnplayr | 289 | |
290 | .hook: |
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5005 | hidnplayr | 291 | DEBUGF 1,"Hooking into device, dev:%x, bus:%x, irq:%x, addr:%x\n",\ |
292 | [ebx + device.pci_dev]:1,[ebx + device.pci_bus]:1,[ebx + device.irq_line]:1,[ebx + device.io_addr]:8 |
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3545 | hidnplayr | 293 | |
294 | call probe ; this function will output in eax |
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295 | test eax, eax |
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296 | jnz .err ; If an error occured, exit |
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297 | |||
5005 | hidnplayr | 298 | DEBUGF 2,"Initialised OK\n" |
299 | |||
3545 | hidnplayr | 300 | mov eax, [devices] |
301 | mov [device_list+4*eax], ebx |
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302 | inc [devices] |
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303 | |||
5005 | hidnplayr | 304 | mov [ebx + device.type], NET_TYPE_ETH |
305 | invoke NetRegDev |
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3545 | hidnplayr | 306 | |
307 | cmp eax, -1 |
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308 | jz .err |
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309 | ret |
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310 | |||
311 | |||
312 | ; If the device was already loaded, find the device number and return it in eax |
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313 | |||
314 | .find_devicenum: |
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3856 | hidnplayr | 315 | DEBUGF 1, "Trying to find device number of already registered device\n" |
5005 | hidnplayr | 316 | invoke NetPtrToNum ; This kernel procedure converts a pointer to device struct in ebx |
3545 | hidnplayr | 317 | ; into a device number in edi |
318 | mov eax, edi ; Application wants it in eax instead |
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3856 | hidnplayr | 319 | DEBUGF 1, "Kernel says: %u\n", eax |
3545 | hidnplayr | 320 | ret |
321 | |||
322 | .err: |
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3856 | hidnplayr | 323 | DEBUGF 2, "Failed, removing device structure\n" |
5005 | hidnplayr | 324 | invoke KernelFree, ebx |
3545 | hidnplayr | 325 | |
326 | jmp .fail |
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327 | |||
328 | ;------------------------------------------------------ |
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329 | @@: |
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330 | .fail: |
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331 | or eax, -1 |
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332 | ret |
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333 | |||
334 | ;------------------------------------------------------ |
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335 | endp |
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336 | |||
337 | |||
338 | create_new_struct: |
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339 | |||
340 | cmp [devices], MAX_DEVICES |
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341 | jae .fail |
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342 | |||
5005 | hidnplayr | 343 | allocate_and_clear ebx, sizeof.device, .fail ; Allocate the buffer for device structure |
3545 | hidnplayr | 344 | |
5005 | hidnplayr | 345 | mov [ebx + device.reset], reset |
346 | mov [ebx + device.transmit], transmit |
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347 | mov [ebx + device.unload], unload |
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348 | mov [ebx + device.name], my_service |
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3545 | hidnplayr | 349 | |
350 | ret |
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351 | |||
352 | .fail: |
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353 | add esp, 4 ; return to caller of 'hook' |
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354 | or eax, -1 |
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355 | ret |
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356 | |||
357 | find_device_num: |
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358 | |||
3856 | hidnplayr | 359 | DEBUGF 1, "Trying to find device number of already registered device\n" |
3545 | hidnplayr | 360 | mov ebx, eax |
5005 | hidnplayr | 361 | invoke NetPtrToNum ; This kernel procedure converts a pointer to device struct in ebx |
362 | ; into a device number in edi |
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363 | mov eax, edi ; Application wants it in eax instead |
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3856 | hidnplayr | 364 | DEBUGF 1, "Kernel says: %u\n", eax |
3545 | hidnplayr | 365 | ret |
366 | |||
367 | |||
368 | ;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;; |
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369 | ;; ;; |
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370 | ;; Actual Hardware dependent code starts here ;; |
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371 | ;; ;; |
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372 | ;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;; |
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373 | |||
374 | |||
375 | unload: ; TODO |
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376 | or eax, -1 |
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377 | ret |
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378 | |||
379 | |||
380 | |||
381 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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382 | ;; |
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383 | ;; probe: enables the device and clears the rx buffer |
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384 | ;; |
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385 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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386 | |||
387 | probe: |
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5005 | hidnplayr | 388 | mov [ebx + device.vendor], VENDOR_NONE |
389 | mov [ebx + device.bmem], 0 |
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3545 | hidnplayr | 390 | |
3856 | hidnplayr | 391 | DEBUGF 1, "Trying 16-bit mode\n" |
3545 | hidnplayr | 392 | |
5005 | hidnplayr | 393 | mov [ebx + device.flags], FLAG_16BIT + FLAG_PIO |
394 | mov [ebx + device.memsize], MEM_32k |
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395 | mov [ebx + device.tx_start], 64 |
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396 | mov [ebx + device.rx_start], TXBUF_SIZE + 64 |
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3545 | hidnplayr | 397 | |
5005 | hidnplayr | 398 | set_io [ebx + device.io_addr], 0 |
399 | set_io [ebx + device.io_addr], P0_DCR |
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3545 | hidnplayr | 400 | mov al, DCR_WTS + DCR_FT1 + DCR_LS ; word transfer select + |
401 | out dx, al |
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402 | |||
5005 | hidnplayr | 403 | set_io [ebx + device.io_addr], P0_PSTART |
3545 | hidnplayr | 404 | mov al, MEM_16k |
405 | out dx, al |
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406 | |||
5005 | hidnplayr | 407 | set_io [ebx + device.io_addr], P0_PSTOP |
3545 | hidnplayr | 408 | mov al, MEM_32k |
409 | out dx, al |
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410 | |||
411 | mov esi, my_service |
||
412 | mov di, 16384 |
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413 | mov cx, 14 |
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414 | call PIO_write |
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415 | |||
416 | mov si, 16384 |
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417 | mov cx, 14 |
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418 | sub esp, 16 |
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419 | mov edi, esp |
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420 | call PIO_read |
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421 | |||
422 | mov esi, esp |
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423 | add esp, 16 |
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424 | mov edi, my_service |
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425 | mov ecx, 13 |
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426 | repe cmpsb |
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427 | je ep_set_vendor |
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428 | |||
3856 | hidnplayr | 429 | DEBUGF 1, "16-bit mode failed\n" |
430 | DEBUGF 1, "Trying 8-bit mode\n" |
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3545 | hidnplayr | 431 | |
5005 | hidnplayr | 432 | mov [ebx + device.flags], FLAG_PIO |
433 | mov [ebx + device.memsize], MEM_16k |
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434 | mov [ebx + device.tx_start], 32 |
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435 | mov [ebx + device.rx_start], TXBUF_SIZE + 32 |
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3545 | hidnplayr | 436 | |
5005 | hidnplayr | 437 | set_io [ebx + device.io_addr], NE_ASIC + NE_RESET |
3545 | hidnplayr | 438 | in al, dx |
439 | out dx, al |
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440 | |||
441 | in al, 0x84 |
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442 | |||
5005 | hidnplayr | 443 | set_io [ebx + device.io_addr], P0_COMMAND |
3545 | hidnplayr | 444 | mov al, CMD_RD2 + CMD_STP |
445 | out dx, al |
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446 | |||
5005 | hidnplayr | 447 | set_io [ebx + device.io_addr], P0_RCR |
3545 | hidnplayr | 448 | mov al, RCR_MON |
449 | out dx, al |
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450 | |||
5005 | hidnplayr | 451 | set_io [ebx + device.io_addr], P0_DCR |
3545 | hidnplayr | 452 | mov al, DCR_FT1 + DCR_LS |
453 | out dx, al |
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454 | |||
5005 | hidnplayr | 455 | set_io [ebx + device.io_addr], P0_PSTART |
3545 | hidnplayr | 456 | mov al, MEM_8k |
457 | out dx, al |
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458 | |||
5005 | hidnplayr | 459 | set_io [ebx + device.io_addr], P0_PSTOP |
3545 | hidnplayr | 460 | mov al, MEM_16k |
461 | out dx, al |
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462 | |||
463 | mov esi, my_service |
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464 | mov di, 8192 |
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465 | mov cx, 14 |
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466 | call PIO_write |
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467 | |||
468 | mov si, 8192 |
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469 | mov cx, 14 |
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470 | sub esp, 16 |
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471 | mov edi, esp |
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472 | call PIO_read |
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473 | |||
474 | mov esi, my_service |
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475 | mov edi, esp |
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476 | add esp, 16 |
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477 | mov ecx, 13 |
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478 | repe cmpsb |
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479 | je ep_set_vendor |
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480 | |||
3856 | hidnplayr | 481 | DEBUGF 2, "This is not a valid ne2000 device!\n" |
3545 | hidnplayr | 482 | or eax, -1 |
483 | ret |
||
484 | |||
485 | |||
486 | ep_set_vendor: |
||
487 | |||
3856 | hidnplayr | 488 | DEBUGF 1, "Mode ok\n" |
3545 | hidnplayr | 489 | |
5005 | hidnplayr | 490 | cmp [ebx + device.io_addr], ISA_MAX_ADDR |
3545 | hidnplayr | 491 | jbe .isa |
492 | |||
3856 | hidnplayr | 493 | DEBUGF 1, "Card is using PCI bus\n" |
3545 | hidnplayr | 494 | |
5005 | hidnplayr | 495 | mov [ebx + device.vendor], VENDOR_NOVELL ;;; FIXME |
3545 | hidnplayr | 496 | jmp ep_check_have_vendor |
497 | |||
498 | .isa: |
||
3856 | hidnplayr | 499 | DEBUGF 1, "Card is using ISA bus\n" |
3545 | hidnplayr | 500 | |
5005 | hidnplayr | 501 | mov [ebx + device.vendor], VENDOR_NOVELL |
3545 | hidnplayr | 502 | |
503 | ep_check_have_vendor: |
||
504 | |||
505 | |||
5005 | hidnplayr | 506 | mov al, [ebx + device.vendor] |
3545 | hidnplayr | 507 | cmp al, VENDOR_NONE |
508 | ; je exit |
||
509 | |||
510 | cmp al, VENDOR_3COM |
||
511 | je reset |
||
512 | |||
5005 | hidnplayr | 513 | mov eax, [ebx + device.bmem] |
514 | mov [ebx + device.rmem], eax |
||
3545 | hidnplayr | 515 | |
516 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
517 | ;; |
||
518 | ;; reset: Place the chip into a virgin state |
||
519 | ;; |
||
520 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
521 | |||
522 | reset: |
||
3856 | hidnplayr | 523 | DEBUGF 1, "Resetting device\n" |
3545 | hidnplayr | 524 | |
525 | ; attach int handler |
||
5005 | hidnplayr | 526 | movzx eax, [ebx + device.irq_line] |
3856 | hidnplayr | 527 | DEBUGF 1, "Attaching int handler to irq %x\n", eax:1 |
5005 | hidnplayr | 528 | invoke AttachIntHandler, eax, int_handler, ebx |
3856 | hidnplayr | 529 | test eax, eax |
530 | jnz @f |
||
531 | DEBUGF 2, "Could not attach int handler!\n" |
||
5005 | hidnplayr | 532 | or eax, -1 |
533 | ret |
||
3856 | hidnplayr | 534 | @@: |
3545 | hidnplayr | 535 | |
536 | ; Stop card + DMA |
||
5005 | hidnplayr | 537 | set_io [ebx + device.io_addr], 0 |
538 | ; set_io [ebx + device.io_addr], P0_COMMAND |
||
3545 | hidnplayr | 539 | mov al, CMD_PS0 + CMD_RDMA_ABORT + CMD_STP |
540 | out dx, al |
||
541 | |||
542 | ; initialize DCR |
||
5005 | hidnplayr | 543 | set_io [ebx + device.io_addr], P0_DCR |
3545 | hidnplayr | 544 | mov al, DCR_FT1 + DCR_LS |
5005 | hidnplayr | 545 | test [ebx + device.flags], FLAG_16BIT |
3545 | hidnplayr | 546 | jz @f |
547 | or al, DCR_WTS ; word transfer select |
||
548 | @@: |
||
549 | out dx, al |
||
550 | |||
551 | ; clear remote bytes count |
||
5005 | hidnplayr | 552 | set_io [ebx + device.io_addr], P0_RBCR0 |
3545 | hidnplayr | 553 | xor al, al |
554 | out dx, al |
||
555 | |||
5005 | hidnplayr | 556 | set_io [ebx + device.io_addr], P0_RBCR1 |
3545 | hidnplayr | 557 | out dx, al |
558 | |||
559 | ; initialize Receive configuration register (until all init is done) |
||
5005 | hidnplayr | 560 | set_io [ebx + device.io_addr], P0_RCR |
3545 | hidnplayr | 561 | mov al, 0x20 ; monitor mode |
562 | out dx, al |
||
563 | |||
564 | ; transmit configuration register to monitor mode (until all ini is done) |
||
5005 | hidnplayr | 565 | set_io [ebx + device.io_addr], P0_TCR |
3545 | hidnplayr | 566 | mov al, 2 ; internal loopback |
567 | out dx, al |
||
568 | |||
569 | ; clear interupt status |
||
5005 | hidnplayr | 570 | set_io [ebx + device.io_addr], P0_ISR |
3545 | hidnplayr | 571 | mov al, 0xff |
572 | out dx, al |
||
573 | |||
574 | ; clear IRQ mask ;;;;; CHECKME ;;;;; |
||
5005 | hidnplayr | 575 | set_io [ebx + device.io_addr], P0_IMR |
3545 | hidnplayr | 576 | xor al, al |
577 | out dx, al |
||
578 | |||
579 | ; set transmit pointer |
||
5005 | hidnplayr | 580 | set_io [ebx + device.io_addr], P0_TPSR |
581 | mov al, [ebx + device.tx_start] |
||
3545 | hidnplayr | 582 | out dx, al |
583 | |||
584 | ; set pagestart pointer |
||
5005 | hidnplayr | 585 | set_io [ebx + device.io_addr], P0_PSTART |
586 | mov al, [ebx + device.rx_start] |
||
3545 | hidnplayr | 587 | out dx, al |
588 | |||
589 | ; set pagestop pointer |
||
5005 | hidnplayr | 590 | set_io [ebx + device.io_addr], P0_PSTOP |
591 | mov al, [ebx + device.memsize] |
||
3545 | hidnplayr | 592 | out dx, al |
593 | |||
594 | ; set boundary pointer |
||
5005 | hidnplayr | 595 | set_io [ebx + device.io_addr], P0_BOUND |
596 | mov al, [ebx + device.memsize] |
||
3545 | hidnplayr | 597 | dec al |
598 | out dx, al |
||
599 | |||
600 | ; set curr pointer |
||
5005 | hidnplayr | 601 | set_io [ebx + device.io_addr], P0_COMMAND |
3545 | hidnplayr | 602 | mov al, CMD_PS1 ;+ CMD_RD2 + CMD_STP ; page 1, stop mode |
603 | out dx, al |
||
604 | |||
5005 | hidnplayr | 605 | set_io [ebx + device.io_addr], P1_CURR |
606 | mov al, [ebx + device.rx_start] |
||
3545 | hidnplayr | 607 | out dx, al |
608 | |||
5005 | hidnplayr | 609 | set_io [ebx + device.io_addr], P0_COMMAND |
3545 | hidnplayr | 610 | mov al, CMD_PS0 ;+ CMD_RD2 + CMD_STA ; go to page 0, start mode |
611 | out dx, al |
||
612 | |||
613 | ; Read MAC address and set it to registers |
||
614 | call read_mac |
||
615 | push .macret |
||
616 | sub esp, 6 |
||
5005 | hidnplayr | 617 | lea esi, [ebx + device.mac] |
3545 | hidnplayr | 618 | mov edi, esp |
619 | movsd |
||
620 | movsw |
||
621 | jmp write_mac |
||
622 | .macret: |
||
623 | |||
624 | ; set IRQ mask |
||
5005 | hidnplayr | 625 | set_io [ebx + device.io_addr], 0 |
626 | set_io [ebx + device.io_addr], P0_IMR |
||
3545 | hidnplayr | 627 | mov al, IRQ_MASK |
628 | out dx, al |
||
629 | |||
630 | ; start mode |
||
5005 | hidnplayr | 631 | set_io [ebx + device.io_addr], P0_COMMAND |
3545 | hidnplayr | 632 | mov al, CMD_STA |
633 | out dx, al |
||
634 | |||
635 | ; clear transmit control register |
||
5005 | hidnplayr | 636 | set_io [ebx + device.io_addr], P0_TCR |
3545 | hidnplayr | 637 | xor al, al ; no loopback |
638 | out dx, al |
||
639 | |||
640 | ; set receive control register ;;;; |
||
5005 | hidnplayr | 641 | set_io [ebx + device.io_addr], P0_RCR |
3545 | hidnplayr | 642 | mov al, 4 ; accept broadcast |
643 | out dx, al |
||
644 | |||
645 | ; clear packet/byte counters |
||
646 | xor eax, eax |
||
5005 | hidnplayr | 647 | lea edi, [ebx + device.bytes_tx] |
3545 | hidnplayr | 648 | mov ecx, 6 |
649 | rep stosd |
||
650 | |||
651 | ; Set the mtu, kernel will be able to send now |
||
5005 | hidnplayr | 652 | mov [ebx + device.mtu], ETH_FRAME_LEN |
3545 | hidnplayr | 653 | |
654 | ; Set link state to unknown |
||
5005 | hidnplayr | 655 | mov [ebx + device.state], ETH_LINK_UNKNOWN |
3545 | hidnplayr | 656 | |
657 | ; Indicate that we have successfully reset the card |
||
658 | xor eax, eax |
||
3856 | hidnplayr | 659 | DEBUGF 1, "Done!\n" |
3545 | hidnplayr | 660 | |
661 | ret |
||
662 | |||
663 | |||
664 | |||
665 | ;*************************************************************************** |
||
666 | ; Function |
||
667 | ; transmit |
||
668 | ; buffer in [esp+4], size in [esp+8], pointer to device struct in ebx |
||
669 | ;*************************************************************************** |
||
670 | |||
5005 | hidnplayr | 671 | proc transmit stdcall buffer_ptr, buffer_size |
3545 | hidnplayr | 672 | |
5005 | hidnplayr | 673 | pushf |
674 | cli |
||
675 | |||
676 | mov esi, [buffer_ptr] |
||
677 | mov ecx, [buffer_size] |
||
678 | DEBUGF 1, "Transmitting packet, buffer:%x, size:%u\n", esi, ecx |
||
3856 | hidnplayr | 679 | DEBUGF 1, "To: %x-%x-%x-%x-%x-%x From: %x-%x-%x-%x-%x-%x Type:%x%x\n",\ |
3545 | hidnplayr | 680 | [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 |
681 | |||
682 | cmp ecx, ETH_FRAME_LEN |
||
5005 | hidnplayr | 683 | ja .err ; packet is too long |
3545 | hidnplayr | 684 | cmp ecx, ETH_ZLEN |
5005 | hidnplayr | 685 | jb .err ; packet is too short |
3545 | hidnplayr | 686 | |
5005 | hidnplayr | 687 | movzx edi, [ebx + device.tx_start] |
3545 | hidnplayr | 688 | shl edi, 8 |
689 | push cx |
||
690 | call PIO_write |
||
691 | pop cx |
||
692 | |||
5005 | hidnplayr | 693 | set_io [ebx + device.io_addr], 0 |
694 | ; set_io [ebx + device.io_addr], P0_COMMAND |
||
3545 | hidnplayr | 695 | mov al, CMD_PS0 + CMD_RD2 + CMD_STA |
696 | out dx, al |
||
697 | |||
5005 | hidnplayr | 698 | set_io [ebx + device.io_addr], P0_TPSR |
699 | mov al, [ebx + device.tx_start] |
||
3545 | hidnplayr | 700 | out dx, al |
701 | |||
5005 | hidnplayr | 702 | set_io [ebx + device.io_addr], P0_TBCR0 |
3545 | hidnplayr | 703 | mov al, cl |
704 | out dx, al |
||
705 | |||
5005 | hidnplayr | 706 | set_io [ebx + device.io_addr], P0_TBCR1 |
3545 | hidnplayr | 707 | mov al, ch |
708 | out dx, al |
||
709 | |||
5005 | hidnplayr | 710 | set_io [ebx + device.io_addr], P0_COMMAND |
3545 | hidnplayr | 711 | mov al, CMD_PS0 + CMD_TXP + CMD_RD2 + CMD_STA |
712 | out dx, al |
||
713 | |||
3856 | hidnplayr | 714 | DEBUGF 1, "Packet Sent!\n" |
3545 | hidnplayr | 715 | |
5005 | hidnplayr | 716 | inc [ebx + device.packets_tx] |
717 | mov eax, [buffer_size] |
||
718 | add dword[ebx + device.bytes_tx], eax |
||
719 | adc dword[ebx + device.bytes_tx + 4], 0 |
||
3545 | hidnplayr | 720 | |
5005 | hidnplayr | 721 | invoke KernelFree, [buffer_ptr] |
722 | popf |
||
3545 | hidnplayr | 723 | xor eax, eax |
5005 | hidnplayr | 724 | ret |
3545 | hidnplayr | 725 | |
3619 | hidnplayr | 726 | .err: |
3856 | hidnplayr | 727 | DEBUGF 2, "Transmit error!\n" |
5005 | hidnplayr | 728 | invoke KernelFree, [buffer_ptr] |
729 | popf |
||
3545 | hidnplayr | 730 | or eax, -1 |
5005 | hidnplayr | 731 | ret |
3545 | hidnplayr | 732 | |
5005 | hidnplayr | 733 | endp |
3545 | hidnplayr | 734 | |
735 | |||
5005 | hidnplayr | 736 | |
3545 | hidnplayr | 737 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
738 | ; |
||
739 | ; Interrupt handler |
||
740 | ; |
||
741 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
742 | |||
743 | align 4 |
||
744 | int_handler: |
||
745 | |||
746 | push ebx esi edi |
||
3856 | hidnplayr | 747 | DEBUGF 1, "INT\n" |
3545 | hidnplayr | 748 | |
749 | ; find pointer of device wich made INT occur |
||
750 | |||
751 | mov ecx, [devices] |
||
752 | test ecx, ecx |
||
753 | jz .nothing |
||
754 | mov esi, device_list |
||
755 | .nextdevice: |
||
756 | mov ebx, [esi] |
||
757 | |||
5005 | hidnplayr | 758 | set_io [ebx + device.io_addr], 0 |
759 | ; set_io [ebx + device.io_addr], P0_COMMAND |
||
3545 | hidnplayr | 760 | mov al, CMD_PS0 |
761 | out dx, al |
||
762 | |||
5005 | hidnplayr | 763 | set_io [ebx + device.io_addr], P0_ISR |
3545 | hidnplayr | 764 | in al, dx |
765 | test al, al |
||
766 | jnz .got_it |
||
767 | .continue: |
||
768 | add esi, 4 |
||
769 | dec ecx |
||
770 | jnz .nextdevice |
||
771 | .nothing: |
||
772 | pop edi esi ebx |
||
773 | xor eax, eax |
||
774 | |||
775 | ret |
||
776 | |||
777 | .got_it: |
||
3856 | hidnplayr | 778 | DEBUGF 1, "Device=%x status=%x\n", ebx, eax:2 |
3545 | hidnplayr | 779 | |
780 | push ebx |
||
5005 | hidnplayr | 781 | .rx_loop: |
3545 | hidnplayr | 782 | test al, ISR_PRX ; packet received ok ? |
783 | jz .no_rx |
||
5005 | hidnplayr | 784 | test [ebx + device.flags], FLAG_PIO |
3545 | hidnplayr | 785 | jz .no_rx ; FIXME: Only PIO mode supported for now |
786 | |||
5005 | hidnplayr | 787 | ; allocate a buffer |
788 | invoke KernelAlloc, ETH_FRAME_LEN |
||
789 | test eax, eax |
||
790 | jz .rx_fail_2 |
||
3545 | hidnplayr | 791 | |
5005 | hidnplayr | 792 | ; Push return address and packet ptr to stack |
3545 | hidnplayr | 793 | pushd .no_rx |
5005 | hidnplayr | 794 | pushd 0 ; Reserve some space for the packet size |
3545 | hidnplayr | 795 | push eax |
796 | |||
797 | ; read offset for current packet from device |
||
5005 | hidnplayr | 798 | set_io [ebx + device.io_addr], 0 |
799 | set_io [ebx + device.io_addr], P0_BOUND ; boundary ptr is offset to next packet we need to read. |
||
3545 | hidnplayr | 800 | in al, dx |
801 | inc al |
||
5005 | hidnplayr | 802 | cmp al, [ebx + device.memsize] |
3545 | hidnplayr | 803 | jb @f |
5005 | hidnplayr | 804 | mov al, [ebx + device.rx_start] |
3545 | hidnplayr | 805 | @@: |
806 | mov ch, al |
||
807 | |||
5005 | hidnplayr | 808 | set_io [ebx + device.io_addr], P0_COMMAND |
3545 | hidnplayr | 809 | mov al, CMD_PS1 |
810 | out dx, al |
||
5005 | hidnplayr | 811 | set_io [ebx + device.io_addr], P1_CURR |
812 | in al, dx ; get current page in cl |
||
3545 | hidnplayr | 813 | mov cl, al |
814 | |||
5005 | hidnplayr | 815 | set_io [ebx + device.io_addr], P1_COMMAND |
3545 | hidnplayr | 816 | mov al, CMD_PS0 |
817 | out dx, al |
||
818 | |||
5005 | hidnplayr | 819 | cmp cl, [ebx + device.memsize] |
3545 | hidnplayr | 820 | jb @f |
5005 | hidnplayr | 821 | mov cl, [ebx + device.rx_start] |
3545 | hidnplayr | 822 | @@: |
823 | |||
824 | cmp cl, ch |
||
5005 | hidnplayr | 825 | je .rx_fail |
3545 | hidnplayr | 826 | movzx esi, ch ; we are using 256 byte pages |
827 | shl esi, 8 ; esi now holds the offset for current packet |
||
828 | |||
5005 | hidnplayr | 829 | ; Get packet header in ecx |
830 | push ecx ; reserve 4 bytes on stack to put packet header in |
||
3545 | hidnplayr | 831 | mov edi, esp |
832 | mov cx, 4 |
||
833 | call PIO_read |
||
5005 | hidnplayr | 834 | mov ecx, [esp] |
3545 | hidnplayr | 835 | |
836 | ; check if packet is ok |
||
837 | test ecx, RSTAT_PRX |
||
5005 | hidnplayr | 838 | jz .rx_fail_3 |
3545 | hidnplayr | 839 | |
840 | ; calculate packet length in ecx |
||
841 | shr ecx, 16 |
||
842 | sub ecx, 4 ; CRC doesnt count as data byte |
||
5005 | hidnplayr | 843 | mov [esp + 8], ecx |
3545 | hidnplayr | 844 | |
845 | ; check if packet size is ok |
||
846 | cmp ecx, ETH_ZLEN |
||
5005 | hidnplayr | 847 | jb .rx_fail_3 |
3545 | hidnplayr | 848 | cmp ecx, ETH_FRAME_LEN |
5005 | hidnplayr | 849 | ja .rx_fail_3 |
3545 | hidnplayr | 850 | |
851 | ; update stats |
||
3856 | hidnplayr | 852 | DEBUGF 1, "Received %u bytes\n", ecx |
5005 | hidnplayr | 853 | add dword[ebx + device.bytes_rx], ecx |
854 | adc dword[ebx + device.bytes_rx + 4], 0 |
||
855 | inc [ebx + device.packets_rx] |
||
3545 | hidnplayr | 856 | |
857 | ; update read and write pointers |
||
858 | add esi, 4 |
||
859 | mov edi, [esp + 4] |
||
860 | |||
861 | ; now check if we can read all data at once (if we cross the end boundary, we need to wrap back to the beginning) |
||
862 | xor eax, eax |
||
5005 | hidnplayr | 863 | mov ah, [ebx + device.memsize] |
3545 | hidnplayr | 864 | sub eax, esi |
865 | cmp ecx, eax ; eax = number of bytes till end of buffer, ecx = bytes we need to read |
||
866 | jbe .no_wrap |
||
867 | |||
868 | ; Read first part |
||
869 | sub ecx, eax |
||
870 | push ecx |
||
871 | mov ecx, eax |
||
872 | call PIO_read ; Read the data |
||
873 | |||
5005 | hidnplayr | 874 | ; update pointers for second read |
3545 | hidnplayr | 875 | add edi, ecx |
876 | pop ecx |
||
5005 | hidnplayr | 877 | movzx esi, [ebx + device.rx_start] |
3545 | hidnplayr | 878 | shl esi, 8 |
879 | |||
880 | ; now read second part (or only part) |
||
881 | .no_wrap: |
||
882 | call PIO_read ; Read the data |
||
883 | |||
884 | ; update boundary pointer |
||
885 | pop eax |
||
886 | mov al, ah |
||
5005 | hidnplayr | 887 | cmp al, [ebx + device.rx_start] |
3545 | hidnplayr | 888 | jne @f |
5005 | hidnplayr | 889 | mov al, [ebx + device.memsize] |
3545 | hidnplayr | 890 | @@: |
5005 | hidnplayr | 891 | set_io [ebx + device.io_addr], 0 |
892 | set_io [ebx + device.io_addr], P0_BOUND |
||
3545 | hidnplayr | 893 | dec al |
894 | out dx, al |
||
895 | |||
896 | ; now send the data to the kernel |
||
5005 | hidnplayr | 897 | jmp [Eth_input] |
3545 | hidnplayr | 898 | |
5005 | hidnplayr | 899 | .rx_fail_3: |
3545 | hidnplayr | 900 | add esp, 4 |
5005 | hidnplayr | 901 | .rx_fail: |
902 | add esp, 12 |
||
903 | .rx_fail_2: |
||
904 | DEBUGF 2, "Error on receive\n" |
||
3545 | hidnplayr | 905 | .no_rx: |
906 | pop ebx |
||
3856 | hidnplayr | 907 | DEBUGF 1, "done\n" |
3545 | hidnplayr | 908 | |
5005 | hidnplayr | 909 | set_io [ebx + device.io_addr], 0 |
910 | set_io [ebx + device.io_addr], P0_ISR |
||
3545 | hidnplayr | 911 | mov al, 0xff |
912 | out dx, al |
||
913 | |||
914 | pop edi esi ebx |
||
915 | |||
916 | ret |
||
917 | |||
918 | |||
919 | ;;;;;;;;;;;;;;;;;;;;;;; |
||
920 | ;; ;; |
||
921 | ;; Write MAC address ;; |
||
922 | ;; ;; |
||
923 | ;;;;;;;;;;;;;;;;;;;;;;; |
||
924 | |||
925 | align 4 |
||
926 | write_mac: ; in: mac on stack (6 bytes) |
||
927 | |||
3856 | hidnplayr | 928 | DEBUGF 1, "Writing MAC\n" |
3545 | hidnplayr | 929 | |
5005 | hidnplayr | 930 | set_io [ebx + device.io_addr], 0 |
3545 | hidnplayr | 931 | mov al, CMD_PS1; + CMD_RD2 + CMD_STP |
932 | out dx, al |
||
933 | |||
5005 | hidnplayr | 934 | set_io [ebx + device.io_addr], P1_PAR0 |
3545 | hidnplayr | 935 | mov esi, esp |
936 | mov cx, 6 |
||
937 | @@: |
||
938 | lodsb |
||
939 | out dx, al |
||
940 | inc dx |
||
941 | loopw @r |
||
942 | |||
943 | add esp, 6 |
||
944 | |||
945 | ; Notice this procedure does not ret, but continues to read_mac instead. |
||
946 | |||
947 | ;;;;;;;;;;;;;;;;;;;;;; |
||
948 | ;; ;; |
||
949 | ;; Read MAC address ;; |
||
950 | ;; ;; |
||
951 | ;;;;;;;;;;;;;;;;;;;;;; |
||
952 | |||
953 | read_mac: |
||
954 | |||
3856 | hidnplayr | 955 | DEBUGF 1, "Reading MAC\n" |
3545 | hidnplayr | 956 | |
957 | xor esi, esi |
||
958 | mov cx, 16 |
||
959 | sub esp, 16 |
||
960 | mov edi, esp |
||
961 | call PIO_read |
||
962 | |||
963 | mov esi, esp |
||
964 | add esp, 16 |
||
5005 | hidnplayr | 965 | lea edi, [ebx + device.mac] |
3545 | hidnplayr | 966 | mov ecx, 6 |
967 | .loop: |
||
968 | movsb |
||
5005 | hidnplayr | 969 | test [ebx + device.flags], FLAG_16BIT |
3545 | hidnplayr | 970 | jz .8bit |
971 | inc esi |
||
972 | .8bit: |
||
973 | loop .loop |
||
3856 | hidnplayr | 974 | DEBUGF 1, "MAC=%x-%x-%x-%x-%x-%x\n",\ |
5005 | hidnplayr | 975 | [ebx + device.mac]:2,[ebx + device.mac+1]:2,[ebx + device.mac+2]:2,[ebx + device.mac+3]:2,[ebx + device.mac+4]:2,[ebx + device.mac+5]:2 |
3545 | hidnplayr | 976 | |
977 | ret |
||
978 | |||
979 | |||
980 | ;*************************************************************************** |
||
981 | ; |
||
982 | ; PIO_read |
||
983 | ; |
||
984 | ; Description |
||
985 | ; Read a frame from the ethernet card via Programmed I/O |
||
986 | ; src in si |
||
987 | ; cnt in cx |
||
988 | ; dst in edi |
||
989 | ;*************************************************************************** |
||
990 | PIO_read: |
||
991 | |||
3856 | hidnplayr | 992 | DEBUGF 1, "PIO Read from %x to %x, %u bytes ", si, edi, cx |
3545 | hidnplayr | 993 | |
5005 | hidnplayr | 994 | ; stop DMA + start |
995 | set_io [ebx + device.io_addr], 0 |
||
996 | ; set_io [ebx + device.io_addr], P0_COMMAND |
||
3545 | hidnplayr | 997 | mov al, CMD_RD2 + CMD_STA |
998 | out dx, al |
||
999 | |||
5005 | hidnplayr | 1000 | ; Request confirmation of end of DMA transfer |
1001 | set_io [ebx + device.io_addr], P0_ISR |
||
1002 | mov al, ISR_RDC |
||
1003 | out dx, al |
||
1004 | |||
3545 | hidnplayr | 1005 | ; set length of data we're interested in |
5005 | hidnplayr | 1006 | set_io [ebx + device.io_addr], P0_RBCR0 |
3545 | hidnplayr | 1007 | mov al, cl |
1008 | out dx, al |
||
5005 | hidnplayr | 1009 | set_io [ebx + device.io_addr], P0_RBCR1 |
3545 | hidnplayr | 1010 | mov al, ch |
1011 | out dx, al |
||
1012 | |||
1013 | ; set offset of what we want to read |
||
5005 | hidnplayr | 1014 | set_io [ebx + device.io_addr], P0_RSAR0 |
3545 | hidnplayr | 1015 | mov ax, si |
1016 | out dx, al |
||
5005 | hidnplayr | 1017 | set_io [ebx + device.io_addr], P0_RSAR1 |
3545 | hidnplayr | 1018 | shr ax, 8 |
1019 | out dx, al |
||
1020 | |||
1021 | ; start DMA read |
||
5005 | hidnplayr | 1022 | set_io [ebx + device.io_addr], P0_COMMAND |
3545 | hidnplayr | 1023 | mov al, CMD_RD0 + CMD_STA |
1024 | out dx, al |
||
1025 | |||
5005 | hidnplayr | 1026 | set_io [ebx + device.io_addr], NE_ASIC |
1027 | test [ebx + device.flags], FLAG_16BIT |
||
3545 | hidnplayr | 1028 | jz .8bits |
3856 | hidnplayr | 1029 | DEBUGF 1, "(16-bit mode)\n" |
3545 | hidnplayr | 1030 | shr cx, 1 ; note that if the number was odd, carry flag will be set |
1031 | pushf |
||
1032 | .16bits: |
||
1033 | in ax, dx |
||
1034 | stosw |
||
1035 | loopw .16bits |
||
1036 | popf |
||
5005 | hidnplayr | 1037 | jnc wait_dma_done |
1038 | in al, dx |
||
1039 | stosb |
||
1040 | jmp wait_dma_done |
||
3545 | hidnplayr | 1041 | |
1042 | .8bits: |
||
3856 | hidnplayr | 1043 | DEBUGF 1, "(8-bit mode)\n" |
3545 | hidnplayr | 1044 | .8bits_: |
1045 | in al, dx |
||
1046 | stosb |
||
1047 | loopw .8bits_ |
||
5005 | hidnplayr | 1048 | jmp wait_dma_done |
3545 | hidnplayr | 1049 | |
1050 | |||
1051 | |||
1052 | |||
1053 | ;*************************************************************************** |
||
1054 | ; |
||
1055 | ; PIO_write |
||
1056 | ; |
||
1057 | ; Description |
||
1058 | ; writes a frame to the ethernet card via Programmed I/O |
||
1059 | ; dst in di |
||
1060 | ; cnt in cx |
||
1061 | ; src in esi |
||
1062 | ;*************************************************************************** |
||
1063 | PIO_write: |
||
1064 | |||
3856 | hidnplayr | 1065 | DEBUGF 1, "Eth PIO Write from %x to %x, %u bytes ", esi, di, cx |
3545 | hidnplayr | 1066 | |
5005 | hidnplayr | 1067 | ; Stop DMA + start |
1068 | set_io [ebx + device.io_addr], 0 |
||
1069 | ; set_io [ebx + device.io_addr], P0_COMMAND |
||
3545 | hidnplayr | 1070 | mov al, CMD_RD2 + CMD_STA |
1071 | out dx, al |
||
1072 | |||
5005 | hidnplayr | 1073 | ; Request confirmation of end of DMA transfer |
1074 | set_io [ebx + device.io_addr], P0_ISR |
||
3545 | hidnplayr | 1075 | mov al, ISR_RDC |
1076 | out dx, al |
||
1077 | |||
5005 | hidnplayr | 1078 | ; Program number of bytes we want to write |
1079 | set_io [ebx + device.io_addr], P0_RBCR0 |
||
3545 | hidnplayr | 1080 | mov al, cl |
1081 | out dx, al |
||
5005 | hidnplayr | 1082 | set_io [ebx + device.io_addr], P0_RBCR1 |
3545 | hidnplayr | 1083 | mov al, ch |
1084 | out dx, al |
||
1085 | |||
5005 | hidnplayr | 1086 | ; Program where we want to write |
3545 | hidnplayr | 1087 | mov ax, di |
5005 | hidnplayr | 1088 | set_io [ebx + device.io_addr], P0_RSAR0 |
3545 | hidnplayr | 1089 | out dx, al |
1090 | shr ax, 8 |
||
5005 | hidnplayr | 1091 | set_io [ebx + device.io_addr], P0_RSAR1 |
3545 | hidnplayr | 1092 | out dx, al |
1093 | |||
5005 | hidnplayr | 1094 | ; Set the DMA to write |
1095 | set_io [ebx + device.io_addr], P0_COMMAND |
||
3545 | hidnplayr | 1096 | mov al, CMD_RD1 + CMD_STA |
1097 | out dx, al |
||
1098 | |||
5005 | hidnplayr | 1099 | set_io [ebx + device.io_addr], NE_ASIC |
1100 | test [ebx + device.flags], FLAG_16BIT |
||
3545 | hidnplayr | 1101 | jz .8_bit |
3856 | hidnplayr | 1102 | DEBUGF 1, "(16-bit mode)\n" |
3545 | hidnplayr | 1103 | shr cx, 1 ; note that if the number was odd, carry flag will be set |
1104 | pushf ; save the flags for later |
||
1105 | .16bit: |
||
1106 | lodsw |
||
1107 | out dx, ax |
||
1108 | loopw .16bit |
||
1109 | popf |
||
5005 | hidnplayr | 1110 | jnc wait_dma_done |
1111 | lodsb |
||
1112 | out dx, al |
||
1113 | jmp wait_dma_done |
||
3545 | hidnplayr | 1114 | |
1115 | .8_bit: |
||
3856 | hidnplayr | 1116 | DEBUGF 1, "(8-bit mode)\n" |
3545 | hidnplayr | 1117 | .8_bit_: |
1118 | lodsb |
||
1119 | out dx, al |
||
1120 | loopw .8_bit_ |
||
5005 | hidnplayr | 1121 | jmp wait_dma_done |
3545 | hidnplayr | 1122 | |
5005 | hidnplayr | 1123 | |
1124 | |||
1125 | wait_dma_done: |
||
1126 | |||
1127 | set_io [ebx + device.io_addr], 0 |
||
1128 | set_io [ebx + device.io_addr], P0_ISR |
||
1129 | .dmawait: |
||
1130 | in al, dx |
||
1131 | test al, ISR_RDC ; Remote DMA Complete |
||
1132 | jz .dmawait |
||
3545 | hidnplayr | 1133 | ; and al, not ISR_RDC |
1134 | ; out dx, al ; clear the bit |
||
1135 | |||
1136 | ret |
||
1137 | |||
1138 | |||
1139 | |||
5005 | hidnplayr | 1140 | ; End of code |
3545 | hidnplayr | 1141 | |
1142 | |||
5005 | hidnplayr | 1143 | data fixups |
1144 | end data |
||
3545 | hidnplayr | 1145 | |
5005 | hidnplayr | 1146 | include '../peimport.inc' |
3545 | hidnplayr | 1147 | |
5005 | hidnplayr | 1148 | my_service db 'RTL8029', 0 ; max 16 chars include zero |
3545 | hidnplayr | 1149 | |
5005 | hidnplayr | 1150 | ;sz_8029 db 'Realtek 8029', 0 |
1151 | ;sz_8019 db 'Realtek 8019', 0 |
||
1152 | ;sz_8019as db 'Realtek 8019AS', 0 |
||
1153 | ;sz_ne2k db 'ne2000', 0 |
||
1154 | ;sz_dp8390 db 'DP8390', 0 |
||
3545 | hidnplayr | 1155 | |
5005 | hidnplayr | 1156 | include_debug_strings ; All data wich FDO uses will be included here |
3545 | hidnplayr | 1157 | |
5005 | hidnplayr | 1158 | align 4 |
1159 | devices dd 0 |
||
1160 | device_list rd MAX_DEVICES ; This list contains all pointers to device structures the driver is handling |
||
3545 | hidnplayr | 1161 |