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Rev | Author | Line No. | Line |
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3545 | hidnplayr | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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7251 | hidnplayr | 3 | ;; Copyright (C) KolibriOS team 2004-2018. All rights reserved. ;; |
3545 | hidnplayr | 4 | ;; Distributed under terms of the GNU General Public License ;; |
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 | |||
4663 | hidnplayr | 17 | format PE DLL native |
18 | entry START |
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3545 | hidnplayr | 19 | |
4663 | hidnplayr | 20 | CURRENT_API = 0x0200 |
21 | COMPATIBLE_API = 0x0100 |
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22 | API_VERSION = (COMPATIBLE_API shl 16) + CURRENT_API |
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3545 | hidnplayr | 23 | |
24 | MAX_DEVICES = 16 |
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25 | |||
26 | __DEBUG__ = 1 |
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27 | __DEBUG_LEVEL__ = 2 |
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28 | |||
4663 | hidnplayr | 29 | section '.flat' readable writable executable |
30 | |||
31 | include '../proc32.inc' |
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4467 | hidnplayr | 32 | include '../struct.inc' |
33 | include '../macros.inc' |
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3545 | hidnplayr | 34 | include '../fdo.inc' |
5074 | hidnplayr | 35 | include '../netdrv.inc' |
3545 | hidnplayr | 36 | |
4663 | hidnplayr | 37 | struct device ETH_DEVICE |
3545 | hidnplayr | 38 | |
4663 | hidnplayr | 39 | mmio_addr dd ? |
40 | pci_bus dd ? |
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41 | pci_dev dd ? |
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42 | irq_line db ? |
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3545 | hidnplayr | 43 | |
4663 | hidnplayr | 44 | cur_tx dd ? |
45 | last_tx dd ? |
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3545 | hidnplayr | 46 | |
4663 | hidnplayr | 47 | rb 0x100 - ($ and 0xff) ; align 256 |
48 | rx_desc rd 256/8 |
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3545 | hidnplayr | 49 | |
4663 | hidnplayr | 50 | rb 0x100 - ($ and 0xff) ; align 256 |
51 | tx_desc rd 256/8 |
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3545 | hidnplayr | 52 | |
4663 | hidnplayr | 53 | ends |
3545 | hidnplayr | 54 | |
55 | |||
56 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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57 | ;; ;; |
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58 | ;; proc START ;; |
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59 | ;; ;; |
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60 | ;; (standard driver proc) ;; |
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61 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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62 | |||
4663 | hidnplayr | 63 | proc START c, reason:dword, cmdline:dword |
3545 | hidnplayr | 64 | |
4663 | hidnplayr | 65 | cmp [reason], DRV_ENTRY |
66 | jne .fail |
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3545 | hidnplayr | 67 | |
4663 | hidnplayr | 68 | DEBUGF 1,"Loading driver\n" |
69 | invoke RegService, my_service, service_proc |
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3545 | hidnplayr | 70 | ret |
71 | |||
72 | .fail: |
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4663 | hidnplayr | 73 | xor eax, eax |
3545 | hidnplayr | 74 | ret |
75 | |||
76 | endp |
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77 | |||
78 | |||
79 | |||
80 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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81 | ;; ;; |
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82 | ;; proc SERVICE_PROC ;; |
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83 | ;; ;; |
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84 | ;; (standard driver proc) ;; |
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85 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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86 | |||
87 | proc service_proc stdcall, ioctl:dword |
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88 | |||
89 | mov edx, [ioctl] |
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4470 | hidnplayr | 90 | mov eax, [edx + IOCTL.io_code] |
3545 | hidnplayr | 91 | |
92 | ;------------------------------------------------------ |
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93 | |||
94 | cmp eax, 0 ;SRV_GETVERSION |
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95 | jne @F |
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96 | |||
4470 | hidnplayr | 97 | cmp [edx + IOCTL.out_size], 4 |
3545 | hidnplayr | 98 | jb .fail |
4470 | hidnplayr | 99 | mov eax, [edx + IOCTL.output] |
3545 | hidnplayr | 100 | mov [eax], dword API_VERSION |
101 | |||
102 | xor eax, eax |
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103 | ret |
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104 | |||
105 | ;------------------------------------------------------ |
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106 | @@: |
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107 | cmp eax, 1 ;SRV_HOOK |
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108 | jne .fail |
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109 | |||
4470 | hidnplayr | 110 | cmp [edx + IOCTL.inp_size], 3 ; Data input must be at least 3 bytes |
3545 | hidnplayr | 111 | jb .fail |
112 | |||
4470 | hidnplayr | 113 | mov eax, [edx + IOCTL.input] |
3545 | hidnplayr | 114 | cmp byte [eax], 1 ; 1 means device number and bus number (pci) are given |
115 | jne .fail ; other types arent supported for this card yet |
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116 | |||
117 | ; check if the device is already listed |
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118 | |||
119 | mov esi, device_list |
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120 | mov ecx, [devices] |
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121 | test ecx, ecx |
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122 | jz .firstdevice |
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123 | |||
4470 | hidnplayr | 124 | ; mov eax, [edx + IOCTL.input] ; get the pci bus and device numbers |
3545 | hidnplayr | 125 | mov ax, [eax+1] ; |
126 | .nextdevice: |
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127 | mov ebx, [esi] |
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4663 | hidnplayr | 128 | cmp al, byte [ebx + device.pci_bus] |
3545 | hidnplayr | 129 | jne .next |
4663 | hidnplayr | 130 | cmp ah, byte [ebx + device.pci_dev] |
3545 | hidnplayr | 131 | je .find_devicenum ; Device is already loaded, let's find it's device number |
132 | .next: |
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133 | add esi, 4 |
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134 | loop .nextdevice |
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135 | |||
136 | |||
137 | ; This device doesnt have its own eth_device structure yet, lets create one |
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138 | .firstdevice: |
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139 | cmp [devices], MAX_DEVICES ; First check if the driver can handle one more card |
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140 | jae .fail |
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141 | |||
4663 | hidnplayr | 142 | allocate_and_clear ebx, sizeof.device, .fail ; Allocate the buffer for device structure |
3545 | hidnplayr | 143 | |
144 | ; Fill in the direct call addresses into the struct |
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145 | |||
4663 | hidnplayr | 146 | mov [ebx + device.reset], reset |
147 | mov [ebx + device.transmit], transmit |
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148 | mov [ebx + device.unload], unload |
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149 | mov [ebx + device.name], my_service |
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3545 | hidnplayr | 150 | |
151 | ; save the pci bus and device numbers |
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152 | |||
4470 | hidnplayr | 153 | mov eax, [edx + IOCTL.input] |
3545 | hidnplayr | 154 | movzx ecx, byte [eax+1] |
4663 | hidnplayr | 155 | mov [ebx + device.pci_bus], ecx |
3545 | hidnplayr | 156 | movzx ecx, byte [eax+2] |
4663 | hidnplayr | 157 | mov [ebx + device.pci_dev], ecx |
3545 | hidnplayr | 158 | |
159 | ; Now, it's time to find the base mmio addres of the PCI device |
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160 | |||
7251 | hidnplayr | 161 | stdcall PCI_find_mmio, [ebx + device.pci_bus], [ebx + device.pci_dev] |
162 | test eax, eax |
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163 | jz .destroy |
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3545 | hidnplayr | 164 | |
165 | ; Create virtual mapping of the physical memory |
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166 | |||
7251 | hidnplayr | 167 | invoke MapIoMem, eax, 10000h, PG_SW+PG_NOCACHE |
4663 | hidnplayr | 168 | mov [ebx + device.mmio_addr], eax |
3545 | hidnplayr | 169 | |
170 | ; We've found the mmio address, find IRQ now |
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171 | |||
4663 | hidnplayr | 172 | invoke PciRead8, [ebx + device.pci_bus], [ebx + device.pci_dev], PCI_header00.interrupt_line |
173 | mov [ebx + device.irq_line], al |
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3545 | hidnplayr | 174 | |
175 | DEBUGF 1,"Hooking into device, dev:%x, bus:%x, irq:%x, addr:%x\n",\ |
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4663 | hidnplayr | 176 | [ebx + device.pci_dev]:1,[ebx + device.pci_bus]:1,[ebx + device.irq_line]:1,[ebx + device.mmio_addr]:8 |
3545 | hidnplayr | 177 | |
178 | ; Ok, the eth_device structure is ready, let's probe the device |
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179 | call probe ; this function will output in eax |
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180 | test eax, eax |
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181 | jnz .err ; If an error occured, exit |
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182 | |||
183 | mov eax, [devices] ; Add the device structure to our device list |
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184 | mov [device_list+4*eax], ebx ; (IRQ handler uses this list to find device) |
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185 | inc [devices] ; |
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186 | |||
4663 | hidnplayr | 187 | mov [ebx + device.type], NET_TYPE_ETH |
188 | invoke NetRegDev |
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3545 | hidnplayr | 189 | |
190 | cmp eax, -1 |
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191 | je .destroy |
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192 | |||
193 | ret |
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194 | |||
195 | ; If the device was already loaded, find the device number and return it in eax |
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196 | |||
197 | .find_devicenum: |
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198 | DEBUGF 1,"Trying to find device number of already registered device\n" |
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4663 | hidnplayr | 199 | invoke NetPtrToNum ; This kernel procedure converts a pointer to device struct in ebx |
3545 | hidnplayr | 200 | ; into a device number in edi |
201 | mov eax, edi ; Application wants it in eax instead |
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202 | DEBUGF 1,"Kernel says: %u\n", eax |
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203 | ret |
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204 | |||
205 | ; If an error occured, remove all allocated data and exit (returning -1 in eax) |
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206 | |||
207 | .destroy: |
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208 | ; todo: reset device into virgin state |
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209 | |||
210 | .err: |
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4663 | hidnplayr | 211 | invoke KernelFree, ebx |
3545 | hidnplayr | 212 | |
213 | .fail: |
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214 | or eax, -1 |
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215 | ret |
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216 | |||
217 | ;------------------------------------------------------ |
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218 | endp |
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219 | |||
220 | |||
221 | ;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;; |
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222 | ;; ;; |
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223 | ;; Actual Hardware dependent code starts here ;; |
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224 | ;; ;; |
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225 | ;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;; |
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226 | |||
227 | unload: |
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228 | ; TODO: (in this particular order) |
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229 | ; |
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230 | ; - Stop the device |
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231 | ; - Detach int handler |
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232 | ; - Remove device from local list (device_list) |
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233 | ; - call unregister function in kernel |
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234 | ; - Remove all allocated structures and buffers the card used |
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235 | |||
236 | or eax, -1 |
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237 | |||
238 | ret |
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239 | |||
240 | |||
241 | |||
242 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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243 | ;; |
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4663 | hidnplayr | 244 | ;; probe: enables the device (if it really is BCM57XX) |
3545 | hidnplayr | 245 | ;; |
246 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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4663 | hidnplayr | 247 | |
3545 | hidnplayr | 248 | probe: |
249 | |||
250 | DEBUGF 1,"Probe\n" |
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251 | |||
4663 | hidnplayr | 252 | ; Make the device a bus master |
253 | invoke PciRead32, [ebx + device.pci_bus], [ebx + device.pci_dev], PCI_header00.command |
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254 | or al, PCI_CMD_MASTER |
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255 | invoke PciWrite32, [ebx + device.pci_bus], [ebx + device.pci_dev], PCI_header00.command, eax |
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3545 | hidnplayr | 256 | |
4663 | hidnplayr | 257 | |
3545 | hidnplayr | 258 | ; TODO: validate the device |
259 | |||
260 | |||
261 | |||
262 | |||
263 | reset: |
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264 | |||
265 | DEBUGF 1,"Reset\n" |
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266 | |||
4663 | hidnplayr | 267 | movzx eax, [ebx + device.irq_line] |
3545 | hidnplayr | 268 | DEBUGF 1,"Attaching int handler to irq %x\n", eax:1 |
4663 | hidnplayr | 269 | invoke AttachIntHandler, eax, int_handler, ebx |
3545 | hidnplayr | 270 | test eax, eax |
271 | jnz @f |
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272 | DEBUGF 1,"\nCould not attach int handler!\n" |
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273 | ; or eax, -1 |
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274 | ; ret |
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275 | @@: |
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276 | |||
277 | call read_mac |
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278 | |||
279 | ; Set the mtu, kernel will be able to send now |
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4663 | hidnplayr | 280 | mov [ebx + device.mtu], 1514 |
3545 | hidnplayr | 281 | |
282 | ; Set link state to unknown |
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4663 | hidnplayr | 283 | mov [ebx + device.state], ETH_LINK_UNKNOWN |
3545 | hidnplayr | 284 | |
285 | ret |
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286 | |||
287 | |||
288 | |||
289 | |||
290 | align 4 |
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291 | read_mac: |
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292 | |||
293 | DEBUGF 1,"Read MAC\n" |
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294 | |||
4663 | hidnplayr | 295 | mov esi, [ebx + device.mmio_addr] |
296 | lea edi, [ebx + device.mac] |
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3545 | hidnplayr | 297 | movsd |
298 | movsw |
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299 | |||
300 | .mac_ok: |
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301 | DEBUGF 1,"MAC = %x-%x-%x-%x-%x-%x\n",\ |
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4663 | hidnplayr | 302 | [ebx + device.mac+0]: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 | 303 | |
304 | ret |
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305 | |||
306 | |||
307 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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308 | ;; ;; |
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309 | ;; Transmit ;; |
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310 | ;; ;; |
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311 | ;; In: buffer pointer in [esp+4] ;; |
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312 | ;; size of buffer in [esp+8] ;; |
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313 | ;; pointer to device structure in ebx ;; |
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314 | ;; ;; |
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315 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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4663 | hidnplayr | 316 | |
317 | proc transmit stdcall bufferptr, buffersize |
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318 | |||
319 | pushf |
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320 | cli |
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321 | |||
322 | DEBUGF 1,"Transmitting packet, buffer:%x, size:%u\n", [bufferptr], [buffersize] |
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323 | mov eax, [bufferptr] |
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324 | DEBUGF 1,"To: %x-%x-%x-%x-%x-%x From: %x-%x-%x-%x-%x-%x Type:%x%x\n",\ |
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3545 | hidnplayr | 325 | [eax+00]:2,[eax+01]:2,[eax+02]:2,[eax+03]:2,[eax+04]:2,[eax+05]:2,\ |
326 | [eax+06]:2,[eax+07]:2,[eax+08]:2,[eax+09]:2,[eax+10]:2,[eax+11]:2,\ |
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327 | [eax+13]:2,[eax+12]:2 |
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328 | |||
4663 | hidnplayr | 329 | cmp [buffersize], 1514 |
3545 | hidnplayr | 330 | ja .fail |
4663 | hidnplayr | 331 | cmp [buffersize], 60 |
3545 | hidnplayr | 332 | jb .fail |
333 | |||
334 | |||
335 | |||
336 | |||
4663 | hidnplayr | 337 | |
3545 | hidnplayr | 338 | ; Update stats |
4663 | hidnplayr | 339 | inc [ebx + device.packets_tx] |
340 | mov eax, [buffersize] |
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341 | add dword[ebx + device.bytes_tx], eax |
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342 | adc dword[ebx + device.bytes_tx + 4], 0 |
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3545 | hidnplayr | 343 | |
4663 | hidnplayr | 344 | DEBUGF 1,"Transmit OK\n" |
345 | popf |
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4334 | hidnplayr | 346 | xor eax, eax |
4663 | hidnplayr | 347 | ret |
3545 | hidnplayr | 348 | |
349 | .fail: |
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4663 | hidnplayr | 350 | DEBUGF 2,"Transmit failed\n" |
351 | invoke KernelFree, [bufferptr] |
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352 | popf |
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4334 | hidnplayr | 353 | or eax, -1 |
4663 | hidnplayr | 354 | ret |
3545 | hidnplayr | 355 | |
4663 | hidnplayr | 356 | endp |
3545 | hidnplayr | 357 | |
4663 | hidnplayr | 358 | |
3545 | hidnplayr | 359 | ;;;;;;;;;;;;;;;;;;;;;;; |
360 | ;; ;; |
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361 | ;; Interrupt handler ;; |
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362 | ;; ;; |
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363 | ;;;;;;;;;;;;;;;;;;;;;;; |
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364 | |||
365 | align 4 |
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366 | int_handler: |
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367 | |||
368 | push ebx esi edi |
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369 | |||
4663 | hidnplayr | 370 | DEBUGF 1,"INT\n" |
3545 | hidnplayr | 371 | ;------------------------------------------- |
372 | ; Find pointer of device wich made IRQ occur |
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373 | |||
374 | mov ecx, [devices] |
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375 | test ecx, ecx |
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376 | jz .nothing |
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377 | mov esi, device_list |
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378 | .nextdevice: |
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379 | mov ebx, [esi] |
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380 | |||
4663 | hidnplayr | 381 | ; mov edi, [ebx + device.mmio_addr] |
3545 | hidnplayr | 382 | ; mov eax, [edi + REG_ICR] |
383 | test eax, eax |
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384 | jnz .got_it |
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385 | .continue: |
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386 | add esi, 4 |
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387 | dec ecx |
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388 | jnz .nextdevice |
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389 | .nothing: |
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390 | pop edi esi ebx |
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391 | xor eax, eax |
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392 | |||
393 | ret |
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394 | |||
395 | .got_it: |
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396 | |||
397 | DEBUGF 1,"Device: %x Status: %x ", ebx, eax |
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398 | |||
399 | pop edi esi ebx |
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400 | xor eax, eax |
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401 | inc eax |
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402 | |||
403 | ret |
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404 | |||
405 | |||
406 | |||
407 | |||
408 | ; End of code |
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409 | |||
4663 | hidnplayr | 410 | data fixups |
411 | end data |
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3545 | hidnplayr | 412 | |
4663 | hidnplayr | 413 | include '../peimport.inc' |
414 | |||
3545 | hidnplayr | 415 | my_service db 'BCM57XX',0 ; max 16 chars include zero |
416 | |||
417 | include_debug_strings ; All data wich FDO uses will be included here |
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418 | |||
4663 | hidnplayr | 419 | align 4 |
420 | devices dd 0 |
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3545 | hidnplayr | 421 | device_list rd MAX_DEVICES ; This list contains all pointers to device structures the driver is handling |
422 |