Rev 1254 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
1159 | hidnplayr | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
||
3 | ;; Copyright (C) KolibriOS team 2004-2008. All rights reserved. ;; |
||
4 | ;; Distributed under terms of the GNU General Public License ;; |
||
5 | ;; ;; |
||
6 | ;; Realtek 8139 driver for KolibriOS ;; |
||
7 | ;; ;; |
||
8 | ;; Written by hidnplayr@kolibrios.org ;; |
||
9 | ;; ;; |
||
1254 | hidnplayr | 10 | ;; 0.1 - x march 2009 ;; |
11 | ;; 0.2 - 8 november 2009 ;; |
||
1159 | hidnplayr | 12 | ;; ;; |
13 | ;; GNU GENERAL PUBLIC LICENSE ;; |
||
14 | ;; Version 2, June 1991 ;; |
||
15 | ;; ;; |
||
16 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
17 | |||
18 | format MS COFF |
||
19 | |||
20 | API_VERSION equ 0x01000100 |
||
21 | |||
22 | DEBUG equ 1 |
||
23 | __DEBUG__ equ 1 |
||
24 | __DEBUG_LEVEL__ equ 1 |
||
25 | |||
26 | include 'proc32.inc' |
||
27 | include 'imports.inc' |
||
28 | include 'fdo.inc' |
||
29 | |||
30 | OS_BASE equ 0; |
||
31 | new_app_base equ 0x60400000 |
||
32 | PROC_BASE equ OS_BASE+0x0080000 |
||
33 | |||
34 | public START |
||
35 | public service_proc |
||
36 | public version |
||
37 | |||
38 | struc IOCTL { |
||
39 | .handle dd ? |
||
40 | .io_code dd ? |
||
41 | .input dd ? |
||
42 | .inp_size dd ? |
||
43 | .output dd ? |
||
44 | .out_size dd ? |
||
45 | } |
||
46 | |||
47 | virtual at 0 |
||
48 | IOCTL IOCTL |
||
49 | end virtual |
||
50 | |||
51 | struc ETH_DEVICE { |
||
52 | ; pointers to procedures |
||
53 | .unload dd ? |
||
54 | .reset dd ? |
||
55 | .transmit dd ? |
||
56 | .set_MAC dd ? |
||
57 | .get_MAC dd ? |
||
58 | .set_mode dd ? |
||
59 | .get_mode dd ? |
||
60 | ; status & variables |
||
61 | .bytes_tx dq ? |
||
62 | .bytes_rx dq ? |
||
63 | .packets_tx dd ? |
||
64 | .packets_rx dd ? |
||
65 | .mode dd ? ; This dword contains cable status (10mbit/100mbit, full/half duplex, auto negotiation or not,..) |
||
66 | .name dd ? |
||
67 | .mac dp ? |
||
68 | ; device specific |
||
69 | .rx_buffer dd ? |
||
70 | .tx_buffer dd ? |
||
71 | .rx_data_offset dd ? |
||
72 | .io_addr dd ? |
||
73 | .curr_tx_desc db ? |
||
74 | .pci_bus db ? |
||
75 | .pci_dev db ? |
||
76 | .irq_line db ? |
||
77 | .hw_ver_id db ? |
||
78 | .size: |
||
79 | |||
80 | } |
||
81 | |||
82 | virtual at 0 |
||
83 | device ETH_DEVICE |
||
84 | end virtual |
||
85 | |||
86 | ; PCI Bus defines |
||
87 | |||
88 | PCI_HEADER_TYPE equ 0x0e ;8 bit |
||
89 | PCI_BASE_ADDRESS_0 equ 0x10 ;32 bit |
||
90 | PCI_BASE_ADDRESS_5 equ 0x24 ;32 bits |
||
91 | PCI_BASE_ADDRESS_SPACE_IO equ 0x01 |
||
92 | PCI_VENDOR_ID equ 0x00 ;16 bit |
||
93 | PCI_BASE_ADDRESS_IO_MASK equ 0xFFFFFFFC |
||
94 | |||
95 | ; RTL8139 specific defines |
||
96 | |||
97 | MAX_RTL8139 equ 16 ; Max number of devices this driver may handle |
||
98 | TX_TIMEOUT equ 30 ; 300 milliseconds timeout |
||
99 | |||
100 | PCI_REG_CMD equ 0x04 ; command register |
||
101 | PCI_BIT_PIO equ 0 ; bit0: io space control |
||
102 | PCI_BIT_MMIO equ 1 ; bit1: memory space control |
||
103 | PCI_BIT_MASTER equ 2 ; bit2: device acts as a PCI master |
||
104 | |||
105 | REG_IDR0 equ 0x00 |
||
106 | REG_MAR0 equ 0x08 ; multicast filter register 0 |
||
107 | REG_MAR4 equ 0x0c ; multicast filter register 4 |
||
108 | REG_TSD0 equ 0x10 ; transmit status of descriptor |
||
109 | REG_TSAD0 equ 0x20 ; transmit start address of descriptor |
||
110 | REG_RBSTART equ 0x30 ; RxBuffer start address |
||
111 | REG_COMMAND equ 0x37 ; command register |
||
112 | REG_CAPR equ 0x38 ; current address of packet read (word) R/W |
||
113 | REG_IMR equ 0x3c ; interrupt mask register |
||
114 | REG_ISR equ 0x3e ; interrupt status register |
||
115 | REG_TXCONFIG equ 0x40 ; transmit configuration register |
||
116 | REG_RXCONFIG equ 0x44 ; receive configuration register 0 |
||
117 | REG_MPC equ 0x4c ; missed packet counter |
||
118 | REG_9346CR equ 0x50 ; serial eeprom 93C46 command register |
||
119 | REG_CONFIG1 equ 0x52 ; configuration register 1 |
||
120 | REG_MSR equ 0x58 |
||
121 | REG_CONFIG4 equ 0x5a ; configuration register 4 |
||
122 | REG_HLTCLK equ 0x5b ; undocumented halt clock register |
||
123 | REG_BMCR equ 0x62 ; basic mode control register |
||
124 | REG_ANAR equ 0x66 ; auto negotiation advertisement register |
||
125 | REG_9346CR_WE equ 11b SHL 6 |
||
126 | |||
127 | BIT_RUNT equ 4 ; total packet length < 64 bytes |
||
128 | BIT_LONG equ 3 ; total packet length > 4k |
||
129 | BIT_CRC equ 2 ; crc error occured |
||
130 | BIT_FAE equ 1 ; frame alignment error occured |
||
131 | BIT_ROK equ 0 ; received packet is ok |
||
132 | |||
133 | BIT_RST equ 4 ; reset bit |
||
134 | BIT_RE equ 3 ; receiver enabled |
||
135 | BIT_TE equ 2 ; transmitter enabled |
||
136 | BUFE equ 1 ; rx buffer is empty, no packet stored |
||
137 | |||
138 | BIT_ISR_TOK equ 2 ; transmit ok |
||
139 | BIT_ISR_RER equ 1 ; receive error interrupt |
||
140 | BIT_ISR_ROK equ 0 ; receive ok |
||
141 | |||
142 | BIT_TX_MXDMA equ 8 ; Max DMA burst size per Tx DMA burst |
||
143 | BIT_TXRR equ 4 ; Tx Retry count 16+(TXRR*16) |
||
144 | |||
145 | BIT_RXFTH equ 13 ; Rx fifo threshold |
||
146 | BIT_RBLEN equ 11 ; Ring buffer length indicator |
||
147 | BIT_RX_MXDMA equ 8 ; Max DMA burst size per Rx DMA burst |
||
148 | BIT_NOWRAP equ 7 ; transfered data wrapping |
||
149 | BIT_9356SEL equ 6 ; eeprom selector 9346/9356 |
||
150 | BIT_AER equ 5 ; accept error packets |
||
151 | BIT_AR equ 4 ; accept runt packets |
||
152 | BIT_AB equ 3 ; accept broadcast packets |
||
153 | BIT_AM equ 2 ; accept multicast packets |
||
154 | BIT_APM equ 1 ; accept physical match packets |
||
155 | BIT_AAP equ 0 ; accept all packets |
||
156 | |||
157 | BIT_93C46_EEM1 equ 7 ; RTL8139 eeprom operating mode1 |
||
158 | BIT_93C46_EEM0 equ 6 ; RTL8139 eeprom operating mode0 |
||
159 | BIT_93C46_EECS equ 3 ; chip select |
||
160 | BIT_93C46_EESK equ 2 ; serial data clock |
||
161 | BIT_93C46_EEDI equ 1 ; serial data input |
||
162 | BIT_93C46_EEDO equ 0 ; serial data output |
||
163 | |||
164 | BIT_LWACT equ 4 ; see REG_CONFIG1 |
||
165 | BIT_SLEEP equ 1 ; sleep bit at older chips |
||
166 | BIT_PWRDWN equ 0 ; power down bit at older chips |
||
167 | BIT_PMEn equ 0 ; power management enabled |
||
168 | |||
169 | BIT_LWPTN equ 2 ; see REG_CONFIG4 |
||
170 | |||
171 | BIT_ERTXTH equ 16 ; early TX threshold |
||
172 | BIT_TOK equ 15 ; transmit ok |
||
173 | BIT_OWN equ 13 ; tx DMA operation is completed |
||
174 | |||
175 | BIT_ANE equ 12 ; auto negotiation enable |
||
176 | |||
177 | BIT_TXFD equ 8 ; 100base-T full duplex |
||
178 | BIT_TX equ 7 ; 100base-T |
||
179 | BIT_10FD equ 6 ; 10base-T full duplex |
||
180 | BIT_10 equ 5 ; 10base-T |
||
181 | BIT_SELECTOR equ 0 ; binary encoded selector CSMA/CD=00001 |
||
182 | |||
183 | BIT_IFG1 equ 25 |
||
184 | BIT_IFG0 equ 24 |
||
185 | |||
186 | RBLEN equ 2 ; Receive buffer size: 0==8K 1==16k 2==32k 3==64k |
||
187 | TXRR equ 8 ; total retries = 16+(TXRR*16) |
||
188 | TX_MXDMA equ 6 ; 0=16 1=32 2=64 3=128 4=256 5=512 6=1024 7=2048 |
||
189 | ERTXTH equ 8 ; in unit of 32 bytes e.g:(8*32)=256 |
||
190 | RX_MXDMA equ 7 ; 0=16 1=32 2=64 3=128 4=256 5=512 6=1024 7=unlimited |
||
191 | RXFTH equ 7 ; 0=16 1=32 2=64 3=128 4=256 5=512 6=1024 7=no threshold |
||
192 | |||
193 | RX_CONFIG equ (RBLEN shl BIT_RBLEN) or \ |
||
194 | (RX_MXDMA shl BIT_RX_MXDMA) or \ |
||
195 | (1 shl BIT_NOWRAP) or \ |
||
196 | (RXFTH shl BIT_RXFTH) or\ |
||
197 | (1 shl BIT_AB) or \ |
||
198 | (1 shl BIT_APM) or \ |
||
199 | (1 shl BIT_AER) or \ |
||
200 | (1 shl BIT_AR) or \ |
||
201 | (1 shl BIT_AM) |
||
202 | |||
203 | RX_BUFFER_SIZE equ (8192 shl RBLEN) |
||
204 | MAX_ETH_FRAME_SIZE equ 1516 ; exactly 1514 wthout CRC |
||
205 | NUM_TX_DESC equ 4 |
||
206 | TX_BUF_SIZE equ 4096 ; size of one tx buffer (set to 4kb because of KolibriOS's page size) |
||
207 | |||
208 | EE_93C46_REG_ETH_ID equ 7 ; MAC offset |
||
209 | EE_93C46_READ_CMD equ (6 shl 6) ; 110b + 6bit address |
||
210 | EE_93C56_READ_CMD equ (6 shl 8) ; 110b + 8bit address |
||
211 | EE_93C46_CMD_LENGTH equ 9 ; start bit + cmd + 6bit address |
||
212 | EE_93C56_CMD_LENGTH equ 11 ; start bit + cmd + 8bit ddress |
||
213 | |||
214 | VER_RTL8139 equ 1100000b |
||
215 | VER_RTL8139A equ 1110000b |
||
216 | VER_RTL8139AG equ 1110100b |
||
217 | VER_RTL8139B equ 1111000b |
||
218 | VER_RTL8130 equ VER_RTL8139B |
||
219 | VER_RTL8139C equ 1110100b |
||
220 | VER_RTL8100 equ 1111010b |
||
221 | VER_RTL8100B equ 1110101b |
||
222 | VER_RTL8139D equ VER_RTL8100B |
||
223 | VER_RTL8139CP equ 1110110b |
||
224 | VER_RTL8101 equ 1110111b |
||
225 | |||
226 | IDX_RTL8139 equ 0 |
||
227 | IDX_RTL8139A equ 1 |
||
228 | IDX_RTL8139B equ 2 |
||
229 | IDX_RTL8139C equ 3 |
||
230 | IDX_RTL8100 equ 4 |
||
231 | IDX_RTL8139D equ 5 |
||
232 | IDX_RTL8139D equ 6 |
||
233 | IDX_RTL8101 equ 7 |
||
234 | |||
235 | ISR_SERR equ 1 SHL 15 |
||
236 | ISR_TIMEOUT equ 1 SHL 14 |
||
237 | ISR_LENCHG equ 1 SHL 13 |
||
238 | ISR_FIFOOVW equ 1 SHL 6 |
||
239 | ISR_PUN equ 1 SHL 5 |
||
240 | ISR_RXOVW equ 1 SHL 4 |
||
241 | ISR_TER equ 1 SHL 3 |
||
242 | ISR_TOK equ 1 SHL 2 |
||
243 | ISR_RER equ 1 SHL 1 |
||
244 | ISR_ROK equ 1 SHL 0 |
||
245 | |||
246 | INTERRUPT_MASK equ ISR_ROK or \ |
||
247 | ISR_RXOVW or \ |
||
248 | ISR_PUN or \ |
||
249 | ISR_FIFOOVW or \ |
||
250 | ISR_LENCHG or \ |
||
251 | ISR_TOK or \ |
||
252 | ISR_TER |
||
253 | |||
254 | TSR_OWN equ 1 SHL 13 |
||
255 | TSR_TUN equ 1 SHL 14 |
||
256 | TSR_TOK equ 1 SHL 15 |
||
257 | |||
258 | TSR_CDH equ 1 SHL 28 |
||
259 | TSR_OWC equ 1 SHL 29 |
||
260 | TSR_TABT equ 1 SHL 30 |
||
261 | TSR_CRS equ 1 SHL 31 |
||
262 | |||
263 | |||
264 | |||
265 | section '.flat' code readable align 16 |
||
266 | |||
267 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
268 | ;; ;; |
||
269 | ;; proc START ;; |
||
270 | ;; ;; |
||
271 | ;; (standard driver proc) ;; |
||
272 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
273 | |||
274 | align 4 |
||
275 | proc START stdcall, state:dword |
||
276 | |||
277 | cmp [state], 1 |
||
278 | jne .exit |
||
279 | |||
280 | .entry: |
||
281 | |||
282 | DEBUGF 1,"Loading rtl8139 driver\n" |
||
283 | stdcall RegService, my_service, service_proc |
||
284 | ret |
||
285 | |||
286 | .fail: |
||
287 | .exit: |
||
288 | xor eax, eax |
||
289 | ret |
||
290 | |||
291 | endp |
||
292 | |||
293 | |||
294 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
295 | ;; ;; |
||
296 | ;; proc SERVICE_PROC ;; |
||
297 | ;; ;; |
||
298 | ;; (standard driver proc) ;; |
||
299 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
300 | |||
301 | align 4 |
||
302 | proc service_proc stdcall, ioctl:dword |
||
303 | |||
304 | mov edx, [ioctl] |
||
1377 | clevermous | 305 | mov eax, [edx+IOCTL.io_code] |
1159 | hidnplayr | 306 | |
307 | ;------------------------------------------------------ |
||
308 | |||
309 | cmp eax, 0 ;SRV_GETVERSION |
||
310 | jne @F |
||
311 | |||
312 | cmp [edx+IOCTL.out_size], 4 |
||
313 | jl .fail |
||
314 | mov eax, [edx+IOCTL.output] |
||
315 | mov [eax], dword API_VERSION |
||
316 | |||
317 | xor eax, eax |
||
318 | ret |
||
319 | |||
320 | ;------------------------------------------------------ |
||
321 | @@: |
||
322 | cmp eax, 1 ;SRV_HOOK |
||
323 | jne .fail |
||
324 | |||
325 | cmp [edx + IOCTL.inp_size], 3 ; Data input must be at least 3 bytes |
||
326 | jl .fail |
||
327 | |||
328 | mov eax, [edx + IOCTL.input] |
||
329 | cmp byte [eax], 1 ; 1 means device number and bus number (pci) are given |
||
330 | jne .fail ; other types arent supported for this card yet |
||
331 | |||
332 | ; check if the device is already listed |
||
333 | |||
334 | mov esi, RTL8139_LIST |
||
335 | mov ecx, [RTL8139_DEV] |
||
336 | test ecx, ecx |
||
337 | jz .firstdevice |
||
338 | ; mov eax, [edx+IOCTL.input] ; get the pci bus and device numbers |
||
339 | mov bx , [eax+1] ; |
||
340 | .nextdevice: |
||
341 | lodsd |
||
342 | cmp bx , word [eax + device.pci_bus] ; compare with pci and device num in RTL8139 list (notice the usage of word instead of byte) |
||
343 | je .find_devicenum ; Device is already loaded, let's find it's device number |
||
344 | |||
345 | loop .nextdevice |
||
346 | |||
347 | ; This device doesnt have its own eth_device structure yet, lets create one |
||
348 | .firstdevice: |
||
349 | cmp [RTL8139_DEV], MAX_RTL8139 ; First check if the driver can handle one more card |
||
350 | jge .fail |
||
351 | |||
352 | push edx |
||
353 | stdcall KernelAlloc, dword device.size ; Allocate the buffer for eth_device structure |
||
354 | pop edx |
||
355 | test eax, eax |
||
356 | jz .fail |
||
357 | mov ebx, eax ; ebx is always used as a pointer to the structure (in driver, but also in kernel code) |
||
358 | |||
359 | ; Fill in the direct call addresses into the struct |
||
360 | |||
361 | mov dword [ebx+device.reset], reset |
||
362 | mov dword [ebx+device.transmit], transmit |
||
363 | mov dword [ebx+device.get_MAC], read_mac |
||
364 | mov dword [ebx+device.set_MAC], write_mac |
||
365 | mov dword [ebx+device.unload], unload |
||
1178 | hidnplayr | 366 | mov dword [ebx+device.name], my_service |
1159 | hidnplayr | 367 | |
368 | ; save the pci bus and device numbers |
||
369 | |||
370 | mov eax, [edx+IOCTL.input] |
||
371 | mov cl , [eax+1] |
||
372 | mov [ebx+device.pci_bus], cl |
||
373 | mov cl , [eax+2] |
||
374 | mov [ebx+device.pci_dev], cl |
||
375 | |||
376 | ; Now, it's time to find the base io addres of the PCI device |
||
377 | ; TODO: implement check if bus and dev exist on this machine |
||
378 | |||
379 | mov edx, PCI_BASE_ADDRESS_0 |
||
380 | .reg_check: |
||
381 | movzx eax, byte [ebx+device.pci_bus] |
||
382 | movzx ecx, byte [ebx+device.pci_dev] |
||
383 | |||
384 | push edx ecx |
||
385 | stdcall PciRead16, eax ,ecx ,edx |
||
386 | pop ecx edx |
||
387 | |||
388 | mov [ebx+device.io_addr], eax |
||
389 | and eax, PCI_BASE_ADDRESS_IO_MASK |
||
390 | test eax, eax |
||
391 | jz .inc_reg |
||
392 | mov eax, [ebx+device.io_addr] |
||
393 | and eax, PCI_BASE_ADDRESS_SPACE_IO |
||
394 | test eax, eax |
||
395 | jz .inc_reg |
||
396 | |||
397 | mov eax, [ebx+device.io_addr] |
||
398 | and eax, PCI_BASE_ADDRESS_IO_MASK |
||
399 | mov [ebx+device.io_addr], eax |
||
400 | jmp .got_io |
||
401 | |||
402 | .inc_reg: |
||
403 | add edx, 4 |
||
404 | cmp edx, PCI_BASE_ADDRESS_5 |
||
405 | jbe .reg_check |
||
406 | |||
407 | .got_io: |
||
408 | |||
409 | ; We've found the io address, find IRQ now |
||
410 | |||
411 | movzx eax, byte [ebx+device.pci_bus] |
||
412 | movzx ecx, byte [ebx+device.pci_dev] |
||
413 | push ebx |
||
414 | stdcall PciRead8, eax ,ecx ,0x3c ; 0x3c is the offset where irq can be found |
||
415 | pop ebx |
||
416 | mov byte [ebx+device.irq_line], al |
||
417 | |||
418 | DEBUGF 1,"Hooking into device, dev:%x, bus:%x, irq:%x, addr:%x\n",\ |
||
419 | [ebx+device.pci_dev]:1,[ebx+device.pci_bus]:1,[ebx+device.irq_line]:1,[ebx+device.io_addr]:4 |
||
420 | |||
421 | ; Allocate the Receive buffer |
||
422 | |||
423 | stdcall KernelAlloc, dword (RX_BUFFER_SIZE+MAX_ETH_FRAME_SIZE) |
||
424 | test eax, eax |
||
425 | jz .err |
||
426 | mov [ebx+device.rx_buffer], eax ; Save the address to it into the device struct |
||
427 | |||
428 | ; Now, Clear the allocated buffer |
||
429 | |||
430 | cld |
||
431 | mov edi, eax |
||
432 | mov ecx, (RX_BUFFER_SIZE)/4 ; divide by 4 because we are going to use DWORD |
||
433 | xor eax, eax |
||
434 | rep stosd |
||
435 | |||
436 | ; Allocate the Transmit Buffer |
||
437 | |||
438 | stdcall KernelAlloc, dword (TX_BUF_SIZE*NUM_TX_DESC) |
||
439 | test eax, eax |
||
440 | jz .err |
||
441 | mov [ebx+device.tx_buffer], eax |
||
442 | |||
443 | ; This one needs to be cleared too.. |
||
444 | |||
445 | mov edi, eax |
||
446 | mov ecx, (TX_BUF_SIZE*NUM_TX_DESC)/4 |
||
447 | xor eax, eax |
||
448 | rep stosd |
||
449 | |||
450 | ; Ok, the eth_device structure is ready, let's probe the device |
||
451 | |||
452 | call probe ; this function will output in eax |
||
453 | test eax, eax |
||
454 | jnz .err ; If an error occured, exit |
||
455 | |||
456 | mov eax, [RTL8139_DEV] ; Add the device structure to our device list |
||
457 | mov [RTL8139_LIST+4*eax], ebx ; (IRQ handler uses this list to find device) |
||
458 | inc [RTL8139_DEV] ; |
||
459 | |||
460 | |||
461 | call EthRegDev |
||
462 | cmp eax, -1 |
||
463 | je .destroy |
||
464 | |||
465 | ret |
||
466 | |||
467 | ; If the device was already loaded, find the device number and return it in eax |
||
468 | |||
469 | .find_devicenum: |
||
470 | DEBUGF 1,"Trying to find device number of already registered device\n" |
||
471 | mov ebx, eax |
||
472 | call EthStruc2Dev ; This kernel procedure converts a pointer to device struct in ebx |
||
473 | ; into a device number in edi |
||
474 | mov eax, edi ; Application wants it in eax instead |
||
475 | DEBUGF 1,"Kernel says: %u\n", eax |
||
476 | ret |
||
477 | |||
478 | ; If an error occured, remove all allocated data and exit (returning -1 in eax) |
||
479 | |||
480 | .destroy: |
||
481 | ; todo: reset device into virgin state |
||
482 | |||
483 | .err: |
||
484 | stdcall KernelFree, dword [ebx+device.rx_buffer] |
||
485 | stdcall KernelFree, dword [ebx+device.tx_buffer] |
||
486 | stdcall KernelFree, ebx |
||
487 | |||
488 | |||
489 | .fail: |
||
490 | or eax, -1 |
||
491 | ret |
||
492 | |||
493 | ;------------------------------------------------------ |
||
494 | endp |
||
495 | |||
496 | |||
497 | ;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;; |
||
498 | ;; ;; |
||
499 | ;; Actual Hardware dependent code starts here ;; |
||
500 | ;; ;; |
||
501 | ;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;; |
||
502 | |||
503 | align 4 |
||
504 | unload: |
||
505 | ; TODO: (in this particular order) |
||
506 | ; |
||
507 | ; - Stop the device |
||
508 | ; - Detach int handler |
||
509 | ; - Remove device from local list (RTL8139_LIST) |
||
510 | ; - call unregister function in kernel |
||
511 | ; - Remove all allocated structures and buffers the card used |
||
512 | |||
513 | or eax,-1 |
||
514 | |||
515 | ret |
||
516 | |||
517 | |||
518 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
519 | ;; |
||
520 | ;; probe: enables the device (if it really is RTL8139) |
||
521 | ;; |
||
522 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
523 | |||
524 | align 4 |
||
525 | probe: |
||
526 | DEBUGF 2,"Probing rtl8139 device: " |
||
527 | |||
528 | ; enable the device |
||
529 | |||
530 | movzx eax, byte [ebx+device.pci_bus] |
||
531 | movzx ecx, byte [ebx+device.pci_dev] |
||
532 | stdcall PciRead32, eax ,ecx ,PCI_REG_CMD |
||
533 | |||
534 | mov cx , ax |
||
535 | or cl , (1 shl PCI_BIT_MASTER) or (1 shl PCI_BIT_PIO) |
||
536 | and cl , not (1 shl PCI_BIT_MMIO) |
||
537 | movzx eax, byte [ebx+device.pci_bus] |
||
538 | movzx edx, byte [ebx+device.pci_dev] |
||
539 | stdcall PciWrite32, eax ,edx ,PCI_REG_CMD, ecx |
||
540 | |||
541 | ; get chip version |
||
542 | |||
543 | mov edx, [ebx+device.io_addr] |
||
544 | add edx, REG_TXCONFIG + 2 |
||
545 | in ax , dx |
||
546 | shr ah , 2 |
||
547 | shr ax , 6 |
||
548 | and al , 01111111b |
||
549 | mov ecx, HW_VER_ARRAY_SIZE-1 |
||
550 | .chip_ver_loop: |
||
551 | cmp al , [hw_ver_array+ecx] |
||
552 | je .chip_ver_found |
||
553 | dec ecx |
||
554 | jns .chip_ver_loop |
||
555 | xor cl , cl ; default RTL8139 |
||
556 | .chip_ver_found: |
||
557 | mov [ebx+device.hw_ver_id], cl |
||
558 | |||
1178 | hidnplayr | 559 | shl ecx, 2 |
560 | add ecx, name_crosslist |
||
561 | mov ecx, [ecx] |
||
562 | mov dword [ebx+device.name], ecx |
||
563 | |||
564 | DEBUGF 1,"Chip version: %s\n",ecx |
||
565 | |||
1159 | hidnplayr | 566 | ; wake up the chip |
567 | |||
568 | mov edx, [ebx+device.io_addr] |
||
569 | add edx, REG_HLTCLK |
||
570 | mov al , 'R' ; run the clock |
||
571 | out dx , al |
||
572 | |||
573 | ; unlock config and BMCR registers |
||
574 | |||
575 | add edx, REG_9346CR - REG_HLTCLK |
||
576 | mov al , (1 shl BIT_93C46_EEM1) or (1 shl BIT_93C46_EEM0) |
||
577 | out dx , al |
||
578 | |||
579 | ; enable power management |
||
580 | |||
581 | add edx, REG_CONFIG1 - REG_9346CR |
||
582 | in al , dx |
||
583 | cmp byte [ebx+device.hw_ver_id], IDX_RTL8139B |
||
584 | jl .old_chip |
||
585 | |||
586 | ; set LWAKE pin to active high (default value). |
||
587 | ; it is for Wake-On-LAN functionality of some motherboards. |
||
588 | ; this signal is used to inform the motherboard to execute a wake-up process. |
||
589 | ; only at newer chips. |
||
590 | |||
591 | or al , (1 shl BIT_PMEn) |
||
592 | and al , not (1 shl BIT_LWACT) |
||
593 | out dx , al |
||
594 | add edx, REG_CONFIG4 - REG_CONFIG1 |
||
595 | in al , dx |
||
596 | and al , not (1 shl BIT_LWPTN) |
||
597 | out dx , al |
||
598 | jmp .finish_wake_up |
||
599 | .old_chip: |
||
600 | |||
601 | ; wake up older chips |
||
602 | |||
603 | and al , not ((1 shl BIT_SLEEP) or (1 shl BIT_PWRDWN)) |
||
604 | out dx , al |
||
605 | .finish_wake_up: |
||
606 | |||
607 | ; lock config and BMCR registers |
||
608 | |||
609 | xor al , al |
||
610 | mov edx, [ebx+device.io_addr] |
||
611 | add edx, REG_9346CR |
||
612 | out dx , al |
||
613 | DEBUGF 2,"done!\n" |
||
614 | |||
615 | |||
616 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
617 | ;; |
||
618 | ;; reset: Set up all registers and descriptors, clear some values |
||
619 | ;; |
||
620 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
621 | |||
622 | reset: |
||
623 | DEBUGF 2,"Resetting rtl8139: " |
||
624 | |||
625 | ; attach int handler |
||
626 | |||
627 | movzx eax, [ebx+device.irq_line] |
||
628 | DEBUGF 1,"Attaching int handler to irq %x, ",eax:1 |
||
629 | stdcall AttachIntHandler, eax, int_handler, dword 0 |
||
630 | test eax, eax |
||
631 | jnz @f |
||
632 | DEBUGF 1,"\nCould not attach int handler!\n" |
||
633 | ; or eax, -1 |
||
634 | ; ret |
||
635 | @@: |
||
636 | |||
637 | ; reset chip |
||
638 | |||
639 | DEBUGF 1,"Resetting chip\n" |
||
640 | mov edx, [ebx+device.io_addr] |
||
641 | add edx, REG_COMMAND |
||
642 | mov al , 1 shl BIT_RST |
||
643 | out dx , al |
||
644 | mov cx , 1000 ; wait no longer for the reset |
||
645 | .wait_for_reset: |
||
646 | in al , dx |
||
647 | test al , 1 shl BIT_RST |
||
648 | jz .reset_completed ; RST remains 1 during reset |
||
649 | dec cx |
||
650 | jns .wait_for_reset |
||
651 | .reset_completed: |
||
652 | |||
653 | ; unlock config and BMCR registers |
||
654 | |||
655 | mov edx, [ebx+device.io_addr] |
||
656 | add edx, REG_9346CR |
||
657 | mov al , (1 shl BIT_93C46_EEM1) or (1 shl BIT_93C46_EEM0) |
||
658 | out dx , al |
||
659 | |||
660 | ; initialize multicast registers (no filtering) |
||
661 | |||
662 | mov eax, 0xffffffff |
||
663 | add edx, REG_MAR0 - REG_9346CR |
||
664 | out dx , eax |
||
665 | add edx, REG_MAR4 - REG_MAR0 |
||
666 | out dx , eax |
||
667 | |||
668 | ; enable Rx/Tx |
||
669 | |||
670 | mov al , (1 shl BIT_RE) or (1 shl BIT_TE) |
||
671 | add edx, REG_COMMAND - REG_MAR4 |
||
672 | out dx , al |
||
673 | |||
674 | ; 32k Rxbuffer, unlimited dma burst, no wrapping, no rx threshold |
||
675 | ; accept broadcast packets, accept physical match packets |
||
676 | |||
677 | mov ax , RX_CONFIG |
||
678 | add edx, REG_RXCONFIG - REG_COMMAND |
||
679 | out dx , ax |
||
680 | |||
681 | ; 1024 bytes DMA burst, total retries = 16 + 8 * 16 = 144 |
||
682 | |||
683 | mov eax , (TX_MXDMA shl BIT_TX_MXDMA) or (TXRR shl BIT_TXRR) or BIT_IFG1 or BIT_IFG0 |
||
684 | add edx, REG_TXCONFIG - REG_RXCONFIG |
||
685 | out dx , eax |
||
686 | |||
687 | ; enable auto negotiation |
||
688 | |||
689 | add edx, REG_BMCR - REG_TXCONFIG |
||
690 | in ax , dx |
||
691 | or ax , (1 shl BIT_ANE) |
||
692 | out dx , ax |
||
693 | |||
694 | ; set auto negotiation advertisement |
||
695 | |||
696 | add edx, REG_ANAR - REG_BMCR |
||
697 | in ax , dx |
||
698 | or ax , (1 shl BIT_SELECTOR) or (1 shl BIT_10) or (1 shl BIT_10FD) or (1 shl BIT_TX) or (1 shl BIT_TXFD) |
||
699 | out dx , ax |
||
700 | |||
701 | ; lock config and BMCR registers |
||
702 | |||
703 | xor eax, eax |
||
704 | add edx, REG_9346CR - REG_ANAR |
||
705 | out dx , al |
||
706 | |||
707 | ; init RX/TX pointers |
||
708 | |||
709 | mov [ebx+device.rx_data_offset], eax |
||
710 | mov [ebx+device.curr_tx_desc], al |
||
711 | |||
1171 | hidnplayr | 712 | ; clear packet/byte counters |
713 | |||
714 | lea edi, [ebx+device.bytes_tx] ; TODO: check if destroying edi, ecx doesnt harm anything |
||
715 | mov ecx, 6 |
||
716 | rep stosd |
||
717 | |||
1159 | hidnplayr | 718 | ; clear missing packet counter |
719 | |||
720 | add edx, REG_MPC - REG_9346CR |
||
721 | out dx , eax |
||
722 | |||
723 | ; Set up the 4 Txbuffer descriptors |
||
724 | |||
725 | add edx, REG_TSAD0 - REG_MPC |
||
726 | mov eax, [ebx+device.tx_buffer] |
||
727 | mov ecx, 4 |
||
728 | .loop: |
||
729 | push eax |
||
730 | call GetPgAddr |
||
731 | DEBUGF 2,"Desc: %x ", eax |
||
732 | out dx , eax |
||
733 | add dx , 4 |
||
734 | pop eax |
||
735 | add eax, TX_BUF_SIZE |
||
736 | loop .loop |
||
737 | |||
738 | ; set RxBuffer address, init RX buffer offset, init TX ring |
||
739 | |||
740 | mov eax, [ebx+device.rx_buffer] |
||
741 | call GetPgAddr |
||
742 | mov edx, [ebx+device.io_addr] |
||
743 | add edx, REG_RBSTART |
||
744 | out dx , eax |
||
745 | |||
746 | ; enable interrupts |
||
747 | |||
748 | mov eax, INTERRUPT_MASK |
||
749 | add edx, REG_IMR - REG_RBSTART |
||
750 | out dx , ax |
||
751 | |||
752 | ; Read MAC address |
||
753 | |||
754 | call read_mac |
||
755 | |||
756 | ; Indicate that we have successfully reset the card |
||
757 | |||
758 | DEBUGF 2,"Done!\n" |
||
759 | xor eax, eax |
||
760 | |||
761 | ret |
||
762 | |||
763 | |||
764 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
765 | ;; ;; |
||
766 | ;; Transmit ;; |
||
767 | ;; ;; |
||
1254 | hidnplayr | 768 | ;; In: buffer pointer in [esp+4] ;; |
769 | ;; size of buffer in [esp+8] ;; |
||
1159 | hidnplayr | 770 | ;; pointer to device structure in ebx ;; |
771 | ;; ;; |
||
772 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
773 | |||
774 | align 4 |
||
775 | transmit: |
||
1254 | hidnplayr | 776 | DEBUGF 1,"Transmitting packet, buffer:%x, size:%u\n",[esp+4],[esp+8] |
777 | mov eax, [esp+4] |
||
1159 | hidnplayr | 778 | DEBUGF 1,"To: %x-%x-%x-%x-%x-%x From: %x-%x-%x-%x-%x-%x Type:%x%x\n",\ |
779 | [eax+00]:2,[eax+01]:2,[eax+02]:2,[eax+03]:2,[eax+04]:2,[eax+05]:2,\ |
||
780 | [eax+06]:2,[eax+07]:2,[eax+08]:2,[eax+09]:2,[eax+10]:2,[eax+11]:2,\ |
||
781 | [eax+13]:2,[eax+12]:2 |
||
782 | |||
1254 | hidnplayr | 783 | cmp dword [esp+8], MAX_ETH_FRAME_SIZE |
1159 | hidnplayr | 784 | jg .finish ; packet is too long |
1254 | hidnplayr | 785 | cmp dword [esp+8], 60 |
1159 | hidnplayr | 786 | jl .finish ; packet is too short |
787 | |||
788 | ; check descriptor |
||
789 | ; DEBUGF 1,"Checking descriptor, " |
||
790 | movzx ecx, [ebx+device.curr_tx_desc] |
||
791 | mov edx, [ebx+device.io_addr] |
||
792 | lea edx, [edx+ecx*4+REG_TSD0] |
||
793 | in ax, dx |
||
794 | test ax, 0x1fff ; or no size given |
||
795 | jz .send_packet |
||
796 | and ax, (1 shl BIT_TOK) or (1 shl BIT_OWN) |
||
797 | cmp ax, (1 shl BIT_TOK) or (1 shl BIT_OWN) |
||
798 | jz .send_packet |
||
799 | ; wait for timeout |
||
800 | ; DEBUGF 1,"Waiting for timeout, " |
||
801 | |||
802 | push edx ebx ; TODO : rtl8139 internal timer should be used instead |
||
803 | stdcall Sleep, TX_TIMEOUT ; ? What registers does this destroy ? |
||
804 | pop ebx edx |
||
805 | |||
806 | in ax, dx |
||
807 | and ax, (1 shl BIT_TOK) or (1 shl BIT_OWN) |
||
808 | cmp ax, (1 shl BIT_TOK) or (1 shl BIT_OWN) |
||
809 | jz .send_packet ; if chip hung, reset it |
||
810 | push dx |
||
811 | call reset ; reset the card |
||
812 | pop dx |
||
813 | .send_packet: |
||
814 | ; DEBUGF 1,"Sending packet, " |
||
815 | |||
816 | push edx |
||
817 | movzx eax, [ebx+device.curr_tx_desc] ; calculate the current tx_buffer address |
||
818 | mov edx, TX_BUF_SIZE ;MAX_ETH_FRAME_SIZE ; |
||
819 | mul edx ; |
||
820 | mov edi, [ebx+device.tx_buffer] ; |
||
821 | add edi, eax ; Store it in edi |
||
822 | pop edx |
||
823 | |||
1254 | hidnplayr | 824 | mov esi, [esp+4] ; Copy data to that address |
825 | mov ecx, [esp+8] ; |
||
1159 | hidnplayr | 826 | shr ecx, 2 ; |
827 | rep movsd ; |
||
1254 | hidnplayr | 828 | mov ecx, [esp+8] ; |
1159 | hidnplayr | 829 | and ecx, 3 ; |
830 | rep movsb ; |
||
831 | |||
832 | inc [ebx+device.packets_tx] ; |
||
1254 | hidnplayr | 833 | mov eax, [esp+8] ; Get packet size in eax |
1159 | hidnplayr | 834 | |
1174 | hidnplayr | 835 | add dword [ebx + device.bytes_tx], eax |
836 | adc dword [ebx + device.bytes_tx + 4], 0 |
||
1159 | hidnplayr | 837 | |
838 | ; or eax, (ERTXTH shl BIT_ERTXTH) ; Set descriptor size and the early tx treshold into the correct Transmission status register (TSD0, TSD1, TSD2 or TSD3) |
||
839 | out dx , eax ; |
||
840 | |||
841 | ; get next descriptor 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, ... |
||
842 | inc [ebx+device.curr_tx_desc] |
||
843 | and [ebx+device.curr_tx_desc], 3 |
||
844 | |||
845 | DEBUGF 2," - Packet Sent! " |
||
846 | .finish: |
||
847 | DEBUGF 2," - Done!\n" |
||
848 | ret |
||
849 | |||
850 | |||
851 | |||
852 | |||
853 | |||
854 | ;;;;;;;;;;;;;;;;;;;;;;; |
||
855 | ;; ;; |
||
856 | ;; Interrupt handler ;; |
||
857 | ;; ;; |
||
858 | ;;;;;;;;;;;;;;;;;;;;;;; |
||
859 | |||
860 | align 4 |
||
861 | int_handler: |
||
862 | |||
863 | DEBUGF 1,"IRQ %x ",eax:2 ; no, you cant replace 'eax:2' with 'al', this must be a bug in FDO |
||
864 | |||
865 | ; find pointer of device wich made IRQ occur |
||
866 | |||
867 | mov esi, RTL8139_LIST |
||
868 | mov ecx, [RTL8139_DEV] |
||
869 | .nextdevice: |
||
870 | mov ebx, dword [esi] |
||
871 | |||
872 | mov edx, dword [ebx+device.io_addr] ; get IRQ reason |
||
873 | add edx, REG_ISR |
||
874 | in ax , dx |
||
875 | out dx , ax ; send it back to ACK |
||
876 | |||
877 | add esi, 4 |
||
878 | |||
879 | test ax , ax |
||
880 | jnz .got_it |
||
881 | |||
882 | loop .nextdevice |
||
883 | |||
884 | ret ; If no device was found, abort (The irq was probably for a device, not registered to this driver) |
||
885 | |||
886 | .got_it: |
||
887 | |||
888 | ; looks like we've found it! |
||
889 | |||
890 | ; Lets found out why the irq occured then.. |
||
891 | |||
892 | ;---------------------------------------------------- |
||
893 | ; Received packet ok? |
||
894 | |||
895 | test ax, ISR_ROK |
||
896 | jz @f |
||
897 | push ax |
||
898 | |||
899 | .receive: |
||
900 | mov edx, dword [ebx+device.io_addr] ; get IRQ reason |
||
901 | add edx, REG_COMMAND ; |
||
902 | in al , dx ; |
||
903 | test al , BUFE ; test if RX buffer is empty |
||
904 | jnz .finish ; |
||
905 | |||
906 | DEBUGF 2,"RX: " |
||
907 | |||
908 | mov eax, dword [ebx+device.rx_buffer] |
||
909 | add eax, dword [ebx+device.rx_data_offset] |
||
910 | test byte [eax], (1 shl BIT_ROK) ; check if packet is ok |
||
911 | jz .reset_rx |
||
912 | ; packet is ok, copy it |
||
913 | movzx ecx, word [eax+2] ; packet length |
||
1174 | hidnplayr | 914 | add dword [ebx + device.bytes_rx], ecx ; Update stats |
915 | adc dword [ebx + device.bytes_rx + 4], 0 |
||
1159 | hidnplayr | 916 | inc dword [ebx + device.packets_rx] ; |
917 | sub ecx, 4 ; don't copy CRC |
||
918 | DEBUGF 1,"Received %u bytes\n", ecx |
||
919 | |||
920 | push ebx eax ecx |
||
921 | stdcall KernelAlloc, ecx ; Allocate a buffer to put packet into |
||
922 | pop ecx |
||
923 | test eax, eax ; Test if we allocated succesfully |
||
924 | jz .abort ; |
||
925 | |||
926 | mov edi, eax ; Set up registers to copy the packet |
||
927 | mov esi, [esp] ; |
||
928 | add esi, 4 ; Dont copy CRC |
||
929 | |||
930 | push dword .abort ; Kernel will return to this address after EthReceiver |
||
931 | push ecx edi ; Save buffer pointer and size, to pass to kernel |
||
932 | |||
933 | shr ecx, 2 |
||
934 | cld |
||
935 | rep movsd ; copy the dwords |
||
936 | mov ecx, [esp+4] |
||
937 | and ecx, 3 |
||
938 | rep movsb ; copy the rest bytes |
||
939 | |||
940 | jmp EthReceiver ; Send it to kernel |
||
941 | |||
942 | .abort: |
||
943 | pop eax ebx |
||
944 | ; update eth_data_start_offset |
||
945 | movzx eax, word [eax+2] ; packet length |
||
946 | add eax, [ebx+device.rx_data_offset] |
||
947 | add eax, 4+3 ; packet header is 4 bytes long + dword alignment |
||
948 | and eax, not 3 ; dword alignment |
||
949 | cmp eax, RX_BUFFER_SIZE |
||
950 | jl .no_wrap |
||
951 | sub eax, RX_BUFFER_SIZE |
||
952 | .no_wrap: |
||
953 | mov [ebx+device.rx_data_offset], eax |
||
954 | DEBUGF 1,"New RX ptr: %u", eax |
||
955 | |||
956 | mov edx, dword [ebx+device.io_addr] |
||
957 | add edx, REG_CAPR ; update 'Current Address of Packet Read register' |
||
958 | sub eax, 0x10 ; value 0x10 is a constant for CAPR |
||
959 | out dx , ax |
||
960 | |||
961 | jmp .receive ; check for multiple packets |
||
962 | |||
963 | .reset_rx: |
||
964 | test byte [eax], (1 shl BIT_CRC) |
||
965 | jz .no_crc_error |
||
966 | DEBUGF 2,"\nCRC error!\n" |
||
967 | |||
968 | .no_crc_error: |
||
969 | test byte [eax], (1 shl BIT_FAE) |
||
970 | jz .no_fae_error |
||
971 | DEBUGF 1,"\nFrame alignment error!\n" |
||
972 | |||
973 | .no_fae_error: |
||
974 | DEBUGF 1,"Reset RX\n" |
||
975 | in al , dx ; read command register |
||
976 | push ax |
||
977 | |||
978 | and al , not (1 shl BIT_RE) ; Clear the RE bit |
||
979 | out dx , al |
||
980 | |||
981 | pop ax |
||
982 | out dx , al ; write original command back |
||
983 | |||
984 | add edx, REG_RXCONFIG - REG_COMMAND ; Restore RX configuration |
||
985 | mov ax , RX_CONFIG |
||
986 | out dx , ax |
||
987 | |||
988 | .finish: |
||
989 | pop ax |
||
990 | |||
991 | ;---------------------------------------------------- |
||
992 | ; Transmit error ? |
||
993 | |||
994 | @@: |
||
995 | test ax, ISR_TER |
||
996 | jz @f |
||
997 | |||
998 | push ax |
||
999 | cmp [ebx+device.curr_tx_desc], 4 |
||
1000 | jz .notxd |
||
1001 | |||
1002 | mov edx, [ebx+device.io_addr] |
||
1003 | movzx ecx, [ebx+device.curr_tx_desc] |
||
1004 | lea edx, [edx+ecx*4+REG_TSD0] |
||
1005 | in eax, dx |
||
1006 | |||
1007 | .notxd: |
||
1008 | test eax, TSR_TUN |
||
1009 | jz .nobun |
||
1010 | DEBUGF 1, "TX: FIFO Buffer underrun!\n" |
||
1011 | |||
1012 | .nobun: |
||
1013 | test eax, TSR_OWC |
||
1014 | jz .noowc |
||
1015 | DEBUGF 1, "TX: OWC!\n" |
||
1016 | |||
1017 | .noowc: |
||
1018 | test eax, TSR_TABT |
||
1019 | jz .notabt |
||
1020 | DEBUGF 1, "TX: TABT!\n" |
||
1021 | |||
1022 | .notabt: |
||
1023 | test eax, TSR_CRS |
||
1024 | jz .nocsl |
||
1025 | DEBUGF 1, "TX: Carrier Sense Lost!\n" |
||
1026 | |||
1027 | .nocsl: |
||
1028 | ; test eax, TSR_OWN or TSR_TOK |
||
1029 | ; jz .nofd |
||
1030 | ; DEBUGF 1, "TX: Transmit OK (desc: %u)\n", ecx |
||
1031 | ; |
||
1032 | ; .nofd: |
||
1033 | pop ax |
||
1034 | |||
1035 | ;---------------------------------------------------- |
||
1036 | ; Transmit ok ? |
||
1037 | |||
1038 | @@: |
||
1039 | test ax, ISR_TOK |
||
1040 | jz @f |
||
1041 | |||
1042 | DEBUGF 1, "TX: Transmit OK (desc: %u)\n", [ebx+device.curr_tx_desc]:1 |
||
1043 | |||
1044 | ;---------------------------------------------------- |
||
1045 | ; Rx buffer overflow ? |
||
1046 | |||
1047 | @@: |
||
1048 | test ax, ISR_RXOVW |
||
1049 | jz @f |
||
1050 | |||
1051 | push ax |
||
1052 | DEBUGF 1,"RX-buffer overflow!\n" |
||
1053 | |||
1054 | mov edx, [ebx+device.io_addr] |
||
1055 | add edx, REG_ISR |
||
1056 | mov ax , ISR_FIFOOVW or ISR_RXOVW |
||
1057 | out dx , ax |
||
1058 | pop ax |
||
1059 | |||
1060 | ;---------------------------------------------------- |
||
1061 | ; Packet underrun? ? |
||
1062 | |||
1063 | |||
1064 | @@: |
||
1065 | test ax, ISR_PUN |
||
1066 | jz @f |
||
1067 | |||
1068 | DEBUGF 1,"Packet underrun!\n" |
||
1069 | |||
1070 | ;---------------------------------------------------- |
||
1071 | ; Receive FIFO overflow ? |
||
1072 | |||
1073 | @@: |
||
1074 | test ax, ISR_FIFOOVW |
||
1075 | jz @f |
||
1076 | |||
1077 | push ax |
||
1078 | DEBUGF 2,"RX fifo overflox!\n" |
||
1079 | |||
1080 | mov edx, [ebx+device.io_addr] |
||
1081 | add edx, REG_ISR |
||
1082 | mov ax , ISR_FIFOOVW or ISR_RXOVW |
||
1083 | out dx , ax |
||
1084 | pop ax |
||
1085 | |||
1086 | ;---------------------------------------------------- |
||
1087 | ; Something about Cable changed ? |
||
1088 | |||
1089 | @@: |
||
1090 | test ax, ISR_LENCHG |
||
1091 | jz .fail |
||
1092 | |||
1093 | DEBUGF 2,"Cable changed!\n" |
||
1094 | call cable |
||
1095 | |||
1096 | ; If none of the above events happened, just exit clearing int |
||
1097 | |||
1098 | .fail: |
||
1099 | |||
1100 | DEBUGF 2,"\n" |
||
1101 | ret |
||
1102 | |||
1103 | |||
1104 | |||
1105 | |||
1106 | ;;;;;;;;;;;;;;;;;;;;;;;;; |
||
1107 | ;; ;; |
||
1108 | ;; Update Cable status ;; |
||
1109 | ;; ;; |
||
1110 | ;;;;;;;;;;;;;;;;;;;;;;;;; |
||
1111 | |||
1112 | align 4 |
||
1113 | cable: |
||
1114 | DEBUGF 1,"Checking Cable status: " |
||
1115 | |||
1116 | mov edx, dword [ebx+device.io_addr] |
||
1117 | add edx, REG_MSR |
||
1118 | in al , dx |
||
1119 | |||
1120 | ; test al , 1 SHL 2 ; 0 = link ok 1 = link fail |
||
1121 | ; jnz .notconnected |
||
1122 | |||
1123 | ; test al , 1 SHL 3 ; 0 = 100 Mbps 1 = 10 Mbps |
||
1124 | ; jnz .10mbps |
||
1125 | |||
1126 | shr al, 2 |
||
1127 | and al, 3 |
||
1128 | |||
1129 | mov byte [ebx+device.mode+3], al |
||
1130 | DEBUGF 1,"Done!\n" |
||
1131 | ret |
||
1132 | |||
1133 | |||
1134 | |||
1135 | ;;;;;;;;;;;;;;;;;;;;;;; |
||
1136 | ;; ;; |
||
1137 | ;; Write MAC address ;; |
||
1138 | ;; ;; |
||
1139 | ;;;;;;;;;;;;;;;;;;;;;;; |
||
1140 | |||
1141 | align 4 |
||
1142 | write_mac: ; in: mac pushed onto stack (as 3 words) |
||
1143 | |||
1144 | DEBUGF 1,"Writing MAC: " |
||
1145 | |||
1146 | ; disable all in command registers |
||
1147 | |||
1148 | mov edx, [ebx+device.io_addr] |
||
1149 | add edx, REG_9346CR |
||
1150 | xor eax, eax |
||
1151 | out dx , al |
||
1152 | |||
1153 | add edx, REG_IMR - REG_9346CR |
||
1154 | xor eax, eax |
||
1155 | out dx , ax |
||
1156 | |||
1157 | add edx, REG_ISR - REG_IMR |
||
1158 | mov eax, -1 |
||
1159 | out dx , ax |
||
1160 | |||
1161 | ; enable writing |
||
1162 | |||
1163 | |||
1164 | add edx, REG_9346CR - REG_ISR |
||
1165 | mov eax, REG_9346CR_WE |
||
1166 | out dx , al |
||
1167 | |||
1168 | ; write the mac ... |
||
1169 | |||
1170 | add edx, REG_IDR0 - REG_9346CR |
||
1171 | pop eax |
||
1172 | out dx , eax |
||
1173 | |||
1174 | add edx, 4 |
||
1175 | xor eax, eax |
||
1176 | pop ax |
||
1177 | out dx , eax |
||
1178 | |||
1179 | ; disable writing |
||
1180 | |||
1181 | add edx, REG_9346CR -REG_IDR0 |
||
1182 | xor eax, eax |
||
1183 | out dx , al |
||
1184 | |||
1185 | DEBUGF 1,"ok!\n" |
||
1186 | |||
1187 | ; Notice this procedure does not ret, but continues to read_mac instead. |
||
1188 | |||
1189 | |||
1190 | ;;;;;;;;;;;;;;;;;;;;;; |
||
1191 | ;; ;; |
||
1192 | ;; Read MAC address ;; |
||
1193 | ;; ;; |
||
1194 | ;;;;;;;;;;;;;;;;;;;;;; |
||
1195 | |||
1196 | read_mac: |
||
1197 | DEBUGF 1,"Reading MAC: " |
||
1198 | |||
1199 | mov edx, [ebx + device.io_addr] |
||
1200 | lea edi, [ebx + device.mac] |
||
1177 | clevermous | 1201 | in eax, dx |
1159 | hidnplayr | 1202 | stosd |
1177 | clevermous | 1203 | add edx, 4 |
1173 | clevermous | 1204 | in ax, dx |
1159 | hidnplayr | 1205 | stosw |
1206 | |||
1173 | clevermous | 1207 | DEBUGF 1,"%x-%x-%x-%x-%x-%x\n",[edi-6]:2,[edi-5]:2,[edi-4]:2,[edi-3]:2,[edi-2]:2,[edi-1]:2 |
1208 | |||
1159 | hidnplayr | 1209 | ret |
1210 | |||
1211 | |||
1212 | |||
1213 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
1214 | ;; ;; |
||
1215 | ;; Read eeprom (type 93c46 and 93c56) ;; |
||
1216 | ;; ;; |
||
1217 | ;; In: word to be read in al (6bit in case of 93c46 and 8bit otherwise) ;; |
||
1218 | ;; pointer to device structure in ebx ;; |
||
1219 | ;; ;; |
||
1220 | ;; OUT: word read in ax ;; |
||
1221 | ;; ;; |
||
1222 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
1223 | |||
1224 | align 4 |
||
1225 | read_eeprom: |
||
1226 | DEBUGF 2,"Reading eeprom, " |
||
1227 | |||
1228 | mov edx, [ebx+device.io_addr] |
||
1229 | push ebx |
||
1230 | movzx ebx, al |
||
1231 | add edx, REG_RXCONFIG |
||
1232 | in al, dx |
||
1233 | test al, (1 shl BIT_9356SEL) |
||
1234 | jz .type_93c46 |
||
1235 | ; and bl, 01111111b ; don't care first bit |
||
1236 | or bx, EE_93C56_READ_CMD ; it contains start bit |
||
1237 | mov cx, EE_93C56_CMD_LENGTH-1 ; cmd_loop counter |
||
1238 | jmp .read_eeprom |
||
1239 | .type_93c46: |
||
1240 | and bl, 00111111b |
||
1241 | or bx, EE_93C46_READ_CMD ; it contains start bit |
||
1242 | mov cx, EE_93C46_CMD_LENGTH-1 ; cmd_loop counter |
||
1243 | .read_eeprom: |
||
1244 | add edx, REG_9346CR - REG_RXCONFIG |
||
1245 | ; mov al, (1 shl BIT_93C46_EEM1) |
||
1246 | ; out dx, al |
||
1247 | mov al, (1 shl BIT_93C46_EEM1) or (1 shl BIT_93C46_EECS) ; wake up the eeprom |
||
1248 | out dx, al |
||
1249 | .cmd_loop: |
||
1250 | mov al, (1 shl BIT_93C46_EEM1) or (1 shl BIT_93C46_EECS) |
||
1251 | bt bx, cx |
||
1252 | jnc .zero_bit |
||
1253 | or al, (1 shl BIT_93C46_EEDI) |
||
1254 | .zero_bit: |
||
1255 | out dx, al |
||
1256 | ; push eax |
||
1257 | ; in eax, dx ; eeprom delay |
||
1258 | ; pop eax |
||
1259 | or al, (1 shl BIT_93C46_EESK) |
||
1260 | out dx, al |
||
1261 | ; in eax, dx ; eeprom delay |
||
1262 | dec cx |
||
1263 | jns .cmd_loop |
||
1264 | ; in eax, dx ; eeprom delay |
||
1265 | mov al, (1 shl BIT_93C46_EEM1) or (1 shl BIT_93C46_EECS) |
||
1266 | out dx, al |
||
1267 | mov cl, 0xf |
||
1268 | .read_loop: |
||
1269 | shl ebx, 1 |
||
1270 | mov al, (1 shl BIT_93C46_EEM1) or (1 shl BIT_93C46_EECS) or (1 shl BIT_93C46_EESK) |
||
1271 | out dx, al |
||
1272 | ; in eax, dx ; eeprom delay |
||
1273 | in al, dx |
||
1274 | and al, (1 shl BIT_93C46_EEDO) |
||
1275 | jz .dont_set |
||
1276 | inc ebx |
||
1277 | .dont_set: |
||
1278 | mov al, (1 shl BIT_93C46_EEM1) or (1 shl BIT_93C46_EECS) |
||
1279 | out dx, al |
||
1280 | ; in eax, dx ; eeprom delay |
||
1281 | dec cl |
||
1282 | jns .read_loop |
||
1283 | xor al, al |
||
1284 | out dx, al |
||
1285 | mov ax, bx |
||
1286 | pop ebx |
||
1287 | |||
1288 | ret |
||
1289 | |||
1290 | |||
1291 | ; End of code |
||
1292 | |||
1293 | align 4 ; Place all initialised data here |
||
1294 | |||
1295 | RTL8139_DEV dd 0 |
||
1296 | version dd (5 shl 16) or (API_VERSION and 0xFFFF) |
||
1297 | my_service db 'RTL8139',0 ; max 16 chars include zero |
||
1298 | |||
1178 | hidnplayr | 1299 | device_1 db 'Realtek 8139',0 |
1300 | device_2 db 'Realtek 8139A',0 |
||
1301 | device_3 db 'Realtek 8139B',0 |
||
1302 | device_4 db 'Realtek 8139C',0 |
||
1303 | device_5 db 'Realtek 8100',0 |
||
1304 | device_6 db 'Realtek 8139D',0 |
||
1305 | device_7 db 'Realtek 8139CP',0 |
||
1306 | device_8 db 'Realtek 8101',0 |
||
1307 | |||
1308 | name_crosslist dd device_1 |
||
1309 | dd device_2 |
||
1310 | dd device_3 |
||
1311 | dd device_4 |
||
1312 | dd device_5 |
||
1313 | dd device_6 |
||
1314 | dd device_7 |
||
1315 | dd device_8 |
||
1316 | |||
1159 | hidnplayr | 1317 | hw_ver_array db VER_RTL8139 ; This array is used by the probe routine to find out wich version of the RTL8139 we are working with |
1318 | db VER_RTL8139A |
||
1319 | db VER_RTL8139B |
||
1320 | db VER_RTL8139C |
||
1321 | db VER_RTL8100 |
||
1322 | db VER_RTL8139D |
||
1323 | db VER_RTL8139CP |
||
1324 | db VER_RTL8101 |
||
1325 | |||
1326 | HW_VER_ARRAY_SIZE = $-hw_ver_array |
||
1327 | |||
1328 | include_debug_strings ; All data wich FDO uses will be included here |
||
1329 | |||
1330 | section '.data' data readable writable align 16 ; place all uninitialized data place here |
||
1331 | |||
1332 | RTL8139_LIST rd MAX_RTL8139 ; This list contains all pointers to device structures the driver is handling> |
||
1333 |