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Rev | Author | Line No. | Line |
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3545 | hidnplayr | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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3 | ;; Copyright (C) KolibriOS team 2004-2013. All rights reserved. ;; |
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4 | ;; Distributed under terms of the GNU General Public License ;; |
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5 | ;; ;; |
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6 | ;; Broadcom NetXtreme 57xx driver for KolibriOS ;; |
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7 | ;; ;; |
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8 | ;; ;; |
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9 | ;; GNU GENERAL PUBLIC LICENSE ;; |
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10 | ;; Version 2, June 1991 ;; |
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11 | ;; ;; |
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12 | ;; Broadcom's programmers's manual for the BCM57xx ;; |
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13 | ;; http://www.broadcom.com/collateral/pg/57XX-PG105-R.pdf ;; |
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14 | ;; ;; |
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15 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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16 | |||
17 | ; TODO: make better use of the available descriptors |
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18 | |||
19 | format MS COFF |
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20 | |||
21 | API_VERSION = 0x01000100 |
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22 | DRIVER_VERSION = 5 |
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23 | |||
24 | MAX_DEVICES = 16 |
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25 | |||
26 | DEBUG = 1 |
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27 | __DEBUG__ = 1 |
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28 | __DEBUG_LEVEL__ = 2 |
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29 | |||
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 | include '../netdrv.inc' |
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35 | |||
36 | public START |
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37 | public service_proc |
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38 | public version |
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39 | |||
40 | |||
41 | virtual at ebx |
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42 | device: |
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43 | ETH_DEVICE |
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44 | |||
45 | .mmio_addr dd ? |
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46 | .pci_bus dd ? |
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47 | .pci_dev dd ? |
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48 | .irq_line db ? |
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49 | |||
50 | .cur_tx dd ? |
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51 | .last_tx dd ? |
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52 | |||
53 | rb 0x100 - (($ - device) and 0xff) |
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54 | .rx_desc rd 256/8 |
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55 | |||
56 | rb 0x100 - (($ - device) and 0xff) |
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57 | .tx_desc rd 256/8 |
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58 | |||
59 | sizeof.device_struct = $ - device |
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60 | |||
61 | end virtual |
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62 | |||
63 | section '.flat' code readable align 16 |
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64 | |||
65 | |||
66 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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67 | ;; ;; |
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68 | ;; proc START ;; |
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69 | ;; ;; |
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70 | ;; (standard driver proc) ;; |
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71 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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72 | |||
73 | align 4 |
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74 | proc START stdcall, state:dword |
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75 | |||
76 | cmp [state], 1 |
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77 | jne .exit |
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78 | |||
79 | .entry: |
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80 | |||
81 | DEBUGF 2,"Loading %s driver\n", my_service |
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82 | stdcall RegService, my_service, service_proc |
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83 | ret |
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84 | |||
85 | .fail: |
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86 | .exit: |
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87 | xor eax, eax |
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88 | ret |
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89 | |||
90 | endp |
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91 | |||
92 | |||
93 | |||
94 | |||
95 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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96 | ;; ;; |
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97 | ;; proc SERVICE_PROC ;; |
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98 | ;; ;; |
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99 | ;; (standard driver proc) ;; |
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100 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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101 | |||
102 | align 4 |
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103 | proc service_proc stdcall, ioctl:dword |
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104 | |||
105 | mov edx, [ioctl] |
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106 | mov eax, [IOCTL.io_code] |
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107 | |||
108 | ;------------------------------------------------------ |
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109 | |||
110 | cmp eax, 0 ;SRV_GETVERSION |
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111 | jne @F |
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112 | |||
113 | cmp [IOCTL.out_size], 4 |
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114 | jb .fail |
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115 | mov eax, [IOCTL.output] |
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116 | mov [eax], dword API_VERSION |
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117 | |||
118 | xor eax, eax |
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119 | ret |
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120 | |||
121 | ;------------------------------------------------------ |
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122 | @@: |
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123 | cmp eax, 1 ;SRV_HOOK |
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124 | jne .fail |
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125 | |||
126 | cmp [IOCTL.inp_size], 3 ; Data input must be at least 3 bytes |
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127 | jb .fail |
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128 | |||
129 | mov eax, [IOCTL.input] |
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130 | cmp byte [eax], 1 ; 1 means device number and bus number (pci) are given |
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131 | jne .fail ; other types arent supported for this card yet |
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132 | |||
133 | ; check if the device is already listed |
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134 | |||
135 | mov esi, device_list |
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136 | mov ecx, [devices] |
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137 | test ecx, ecx |
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138 | jz .firstdevice |
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139 | |||
140 | ; mov eax, [IOCTL.input] ; get the pci bus and device numbers |
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141 | mov ax, [eax+1] ; |
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142 | .nextdevice: |
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143 | mov ebx, [esi] |
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144 | cmp al, byte [device.pci_bus] |
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145 | jne .next |
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146 | cmp ah, byte [device.pci_dev] |
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147 | je .find_devicenum ; Device is already loaded, let's find it's device number |
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148 | .next: |
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149 | add esi, 4 |
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150 | loop .nextdevice |
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151 | |||
152 | |||
153 | ; This device doesnt have its own eth_device structure yet, lets create one |
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154 | .firstdevice: |
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155 | cmp [devices], MAX_DEVICES ; First check if the driver can handle one more card |
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156 | jae .fail |
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157 | |||
158 | allocate_and_clear ebx, sizeof.device_struct, .fail ; Allocate the buffer for device structure |
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159 | |||
160 | ; Fill in the direct call addresses into the struct |
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161 | |||
162 | mov [device.reset], reset |
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163 | mov [device.transmit], transmit |
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164 | mov [device.unload], unload |
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165 | mov [device.name], my_service |
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166 | |||
167 | ; save the pci bus and device numbers |
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168 | |||
169 | mov eax, [IOCTL.input] |
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170 | movzx ecx, byte [eax+1] |
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171 | mov [device.pci_bus], ecx |
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172 | movzx ecx, byte [eax+2] |
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173 | mov [device.pci_dev], ecx |
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174 | |||
175 | ; Now, it's time to find the base mmio addres of the PCI device |
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176 | |||
177 | PCI_find_mmio32 |
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178 | |||
179 | ; Create virtual mapping of the physical memory |
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180 | |||
181 | push 1Bh ; PG_SW+PG_NOCACHE |
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182 | push 10000h ; size of the map |
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183 | push eax |
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184 | call MapIoMem |
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185 | mov [device.mmio_addr], eax |
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186 | |||
187 | ; We've found the mmio address, find IRQ now |
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188 | |||
189 | PCI_find_irq |
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190 | |||
191 | DEBUGF 1,"Hooking into device, dev:%x, bus:%x, irq:%x, addr:%x\n",\ |
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192 | [device.pci_dev]:1,[device.pci_bus]:1,[device.irq_line]:1,[device.mmio_addr]:8 |
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193 | |||
194 | ; Ok, the eth_device structure is ready, let's probe the device |
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195 | call probe ; this function will output in eax |
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196 | test eax, eax |
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197 | jnz .err ; If an error occured, exit |
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198 | |||
199 | mov eax, [devices] ; Add the device structure to our device list |
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200 | mov [device_list+4*eax], ebx ; (IRQ handler uses this list to find device) |
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201 | inc [devices] ; |
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202 | |||
203 | mov [device.type], NET_TYPE_ETH |
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204 | call NetRegDev |
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205 | |||
206 | cmp eax, -1 |
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207 | je .destroy |
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208 | |||
209 | ret |
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210 | |||
211 | ; If the device was already loaded, find the device number and return it in eax |
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212 | |||
213 | .find_devicenum: |
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214 | DEBUGF 1,"Trying to find device number of already registered device\n" |
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215 | call NetPtrToNum ; This kernel procedure converts a pointer to device struct in ebx |
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216 | ; into a device number in edi |
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217 | mov eax, edi ; Application wants it in eax instead |
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218 | DEBUGF 1,"Kernel says: %u\n", eax |
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219 | ret |
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220 | |||
221 | ; If an error occured, remove all allocated data and exit (returning -1 in eax) |
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222 | |||
223 | .destroy: |
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224 | ; todo: reset device into virgin state |
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225 | |||
226 | .err: |
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227 | stdcall KernelFree, ebx |
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228 | |||
229 | .fail: |
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230 | or eax, -1 |
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231 | ret |
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232 | |||
233 | ;------------------------------------------------------ |
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234 | endp |
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235 | |||
236 | |||
237 | ;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;; |
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238 | ;; ;; |
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239 | ;; Actual Hardware dependent code starts here ;; |
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240 | ;; ;; |
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241 | ;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;; |
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242 | |||
243 | |||
244 | align 4 |
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245 | unload: |
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246 | ; TODO: (in this particular order) |
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247 | ; |
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248 | ; - Stop the device |
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249 | ; - Detach int handler |
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250 | ; - Remove device from local list (device_list) |
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251 | ; - call unregister function in kernel |
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252 | ; - Remove all allocated structures and buffers the card used |
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253 | |||
254 | or eax, -1 |
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255 | |||
256 | ret |
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257 | |||
258 | |||
259 | |||
260 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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261 | ;; |
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262 | ;; probe: enables the device (if it really is I8254X) |
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263 | ;; |
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264 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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265 | align 4 |
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266 | probe: |
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267 | |||
268 | DEBUGF 1,"Probe\n" |
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269 | |||
270 | PCI_make_bus_master |
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271 | |||
272 | ; TODO: validate the device |
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273 | |||
274 | |||
275 | |||
276 | |||
277 | |||
278 | align 4 |
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279 | reset: |
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280 | |||
281 | DEBUGF 1,"Reset\n" |
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282 | |||
283 | movzx eax, [device.irq_line] |
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284 | DEBUGF 1,"Attaching int handler to irq %x\n", eax:1 |
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285 | stdcall AttachIntHandler, eax, int_handler, dword 0 |
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286 | test eax, eax |
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287 | jnz @f |
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288 | DEBUGF 1,"\nCould not attach int handler!\n" |
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289 | ; or eax, -1 |
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290 | ; ret |
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291 | @@: |
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292 | |||
293 | call read_mac |
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294 | |||
295 | ; Set the mtu, kernel will be able to send now |
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296 | mov [device.mtu], 1514 |
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297 | |||
298 | ; Set link state to unknown |
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299 | mov [device.state], ETH_LINK_UNKOWN |
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300 | |||
301 | ret |
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302 | |||
303 | |||
304 | |||
305 | |||
306 | align 4 |
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307 | read_mac: |
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308 | |||
309 | DEBUGF 1,"Read MAC\n" |
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310 | |||
311 | mov esi, [device.mmio_addr] |
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312 | lea edi, [device.mac] |
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313 | movsd |
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314 | movsw |
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315 | |||
316 | .mac_ok: |
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317 | DEBUGF 1,"MAC = %x-%x-%x-%x-%x-%x\n",\ |
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318 | [device.mac+0]:2,[device.mac+1]:2,[device.mac+2]:2,[device.mac+3]:2,[device.mac+4]:2,[device.mac+5]:2 |
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319 | |||
320 | ret |
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321 | |||
322 | |||
323 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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324 | ;; ;; |
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325 | ;; Transmit ;; |
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326 | ;; ;; |
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327 | ;; In: buffer pointer in [esp+4] ;; |
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328 | ;; size of buffer in [esp+8] ;; |
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329 | ;; pointer to device structure in ebx ;; |
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330 | ;; ;; |
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331 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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332 | align 4 |
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333 | transmit: |
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334 | DEBUGF 2,"\nTransmitting packet, buffer:%x, size:%u\n", [esp+4], [esp+8] |
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335 | mov eax, [esp+4] |
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336 | DEBUGF 2,"To: %x-%x-%x-%x-%x-%x From: %x-%x-%x-%x-%x-%x Type:%x%x\n",\ |
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337 | [eax+00]:2,[eax+01]:2,[eax+02]:2,[eax+03]:2,[eax+04]:2,[eax+05]:2,\ |
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338 | [eax+06]:2,[eax+07]:2,[eax+08]:2,[eax+09]:2,[eax+10]:2,[eax+11]:2,\ |
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339 | [eax+13]:2,[eax+12]:2 |
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340 | |||
341 | cmp dword [esp + 8], 1514 |
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342 | ja .fail |
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343 | cmp dword [esp + 8], 60 |
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344 | jb .fail |
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345 | |||
346 | |||
347 | |||
348 | |||
349 | ; Update stats |
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350 | inc [device.packets_tx] |
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351 | mov eax, [esp + 8] |
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352 | add dword [device.bytes_tx], eax |
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353 | adc dword [device.bytes_tx + 4], 0 |
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354 | |||
4334 | hidnplayr | 355 | xor eax, eax |
3545 | hidnplayr | 356 | ret 8 |
357 | |||
358 | .fail: |
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359 | DEBUGF 1,"Send failed\n" |
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4334 | hidnplayr | 360 | stdcall KernelFree, [esp+4] |
361 | or eax, -1 |
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3545 | hidnplayr | 362 | ret 8 |
363 | |||
364 | |||
365 | ;;;;;;;;;;;;;;;;;;;;;;; |
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366 | ;; ;; |
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367 | ;; Interrupt handler ;; |
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368 | ;; ;; |
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369 | ;;;;;;;;;;;;;;;;;;;;;;; |
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370 | |||
371 | align 4 |
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372 | int_handler: |
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373 | |||
374 | push ebx esi edi |
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375 | |||
376 | DEBUGF 1,"\n%s int\n", my_service |
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377 | ;------------------------------------------- |
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378 | ; Find pointer of device wich made IRQ occur |
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379 | |||
380 | mov ecx, [devices] |
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381 | test ecx, ecx |
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382 | jz .nothing |
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383 | mov esi, device_list |
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384 | .nextdevice: |
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385 | mov ebx, [esi] |
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386 | |||
387 | ; mov edi, [device.mmio_addr] |
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388 | ; mov eax, [edi + REG_ICR] |
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389 | test eax, eax |
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390 | jnz .got_it |
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391 | .continue: |
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392 | add esi, 4 |
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393 | dec ecx |
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394 | jnz .nextdevice |
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395 | .nothing: |
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396 | pop edi esi ebx |
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397 | xor eax, eax |
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398 | |||
399 | ret |
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400 | |||
401 | .got_it: |
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402 | |||
403 | DEBUGF 1,"Device: %x Status: %x ", ebx, eax |
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404 | |||
405 | pop edi esi ebx |
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406 | xor eax, eax |
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407 | inc eax |
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408 | |||
409 | ret |
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410 | |||
411 | |||
412 | |||
413 | |||
414 | ; End of code |
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415 | |||
416 | section '.data' data readable writable align 16 |
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417 | align 4 |
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418 | |||
419 | devices dd 0 |
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420 | version dd (DRIVER_VERSION shl 16) or (API_VERSION and 0xFFFF) |
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421 | my_service db 'BCM57XX',0 ; max 16 chars include zero |
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422 | |||
423 | include_debug_strings ; All data wich FDO uses will be included here |
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424 | |||
425 | device_list rd MAX_DEVICES ; This list contains all pointers to device structures the driver is handling |
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426 |