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5449c685 FB |
1 | /* |
2 | * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc. | |
3 | * All rights reserved. | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation; either version 2 of the License, or | |
8 | * (at your option) any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License along | |
16 | * with this program; if not, write to the Free Software Foundation, Inc., | |
17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 | * | |
612822f5 | 19 | * |
5449c685 FB |
20 | * File: mac.c |
21 | * | |
22 | * Purpose: MAC routines | |
23 | * | |
24 | * Author: Tevin Chen | |
25 | * | |
26 | * Date: May 21, 1996 | |
27 | * | |
28 | * Functions: | |
5449c685 FB |
29 | * MACbIsRegBitsOn - Test if All test Bits On |
30 | * MACbIsRegBitsOff - Test if All test Bits Off | |
31 | * MACbIsIntDisable - Test if MAC interrupt disable | |
5449c685 | 32 | * MACvSetShortRetryLimit - Set 802.11 Short Retry limit |
5449c685 | 33 | * MACvSetLongRetryLimit - Set 802.11 Long Retry limit |
5449c685 | 34 | * MACvSetLoopbackMode - Set MAC Loopback Mode |
5449c685 FB |
35 | * MACvSaveContext - Save Context of MAC Registers |
36 | * MACvRestoreContext - Restore Context of MAC Registers | |
5449c685 FB |
37 | * MACbSoftwareReset - Software Reset MAC |
38 | * MACbSafeRxOff - Turn Off MAC Rx | |
39 | * MACbSafeTxOff - Turn Off MAC Tx | |
40 | * MACbSafeStop - Stop MAC function | |
41 | * MACbShutdown - Shut down MAC | |
42 | * MACvInitialize - Initialize MAC | |
789d1aef JM |
43 | * MACvSetCurrRxDescAddr - Set Rx Descriptors Address |
44 | * MACvSetCurrTx0DescAddr - Set Tx0 Descriptors Address | |
45 | * MACvSetCurrTx1DescAddr - Set Tx1 Descriptors Address | |
5449c685 FB |
46 | * MACvTimer0MicroSDelay - Micro Second Delay Loop by MAC |
47 | * | |
48 | * Revision History: | |
49 | * 08-22-2003 Kyle Hsu : Porting MAC functions from sim53 | |
50 | * 09-03-2003 Bryan YC Fan : Add MACvClearBusSusInd()& MACvEnableBusSusEn() | |
51 | * 09-18-2003 Jerry Chen : Add MACvSetKeyEntry & MACvDisableKeyEntry | |
52 | * | |
53 | */ | |
54 | ||
5449c685 | 55 | #include "tmacro.h" |
5449c685 | 56 | #include "mac.h" |
5449c685 | 57 | |
5449c685 FB |
58 | /* |
59 | * Description: | |
60 | * Test if all test bits on | |
61 | * | |
62 | * Parameters: | |
63 | * In: | |
64 | * dwIoBase - Base Address for MAC | |
65 | * byRegOfs - Offset of MAC Register | |
66 | * byTestBits - Test bits | |
67 | * Out: | |
68 | * none | |
69 | * | |
5a5a2a6a | 70 | * Return Value: true if all test bits On; otherwise false |
5449c685 FB |
71 | * |
72 | */ | |
d4855fe1 GB |
73 | bool MACbIsRegBitsOn(void __iomem *dwIoBase, unsigned char byRegOfs, |
74 | unsigned char byTestBits) | |
5449c685 | 75 | { |
c3504bfd | 76 | unsigned char byData; |
5449c685 | 77 | |
c3504bfd JP |
78 | VNSvInPortB(dwIoBase + byRegOfs, &byData); |
79 | return (byData & byTestBits) == byTestBits; | |
5449c685 FB |
80 | } |
81 | ||
82 | /* | |
83 | * Description: | |
84 | * Test if all test bits off | |
85 | * | |
86 | * Parameters: | |
87 | * In: | |
88 | * dwIoBase - Base Address for MAC | |
89 | * byRegOfs - Offset of MAC Register | |
90 | * byTestBits - Test bits | |
91 | * Out: | |
92 | * none | |
93 | * | |
5a5a2a6a | 94 | * Return Value: true if all test bits Off; otherwise false |
5449c685 FB |
95 | * |
96 | */ | |
d4855fe1 GB |
97 | bool MACbIsRegBitsOff(void __iomem *dwIoBase, unsigned char byRegOfs, |
98 | unsigned char byTestBits) | |
5449c685 | 99 | { |
c3504bfd | 100 | unsigned char byData; |
5449c685 | 101 | |
c3504bfd JP |
102 | VNSvInPortB(dwIoBase + byRegOfs, &byData); |
103 | return !(byData & byTestBits); | |
5449c685 FB |
104 | } |
105 | ||
106 | /* | |
107 | * Description: | |
108 | * Test if MAC interrupt disable | |
109 | * | |
110 | * Parameters: | |
111 | * In: | |
112 | * dwIoBase - Base Address for MAC | |
113 | * Out: | |
114 | * none | |
115 | * | |
5a5a2a6a | 116 | * Return Value: true if interrupt is disable; otherwise false |
5449c685 FB |
117 | * |
118 | */ | |
16834405 | 119 | bool MACbIsIntDisable(void __iomem *dwIoBase) |
5449c685 | 120 | { |
c3504bfd | 121 | unsigned long dwData; |
5449c685 | 122 | |
c3504bfd JP |
123 | VNSvInPortD(dwIoBase + MAC_REG_IMR, &dwData); |
124 | if (dwData != 0) | |
125 | return false; | |
5449c685 | 126 | |
c3504bfd | 127 | return true; |
5449c685 FB |
128 | } |
129 | ||
5449c685 FB |
130 | /* |
131 | * Description: | |
132 | * Set 802.11 Short Retry Limit | |
133 | * | |
134 | * Parameters: | |
135 | * In: | |
136 | * dwIoBase - Base Address for MAC | |
137 | * byRetryLimit- Retry Limit | |
138 | * Out: | |
139 | * none | |
140 | * | |
141 | * Return Value: none | |
142 | * | |
143 | */ | |
16834405 | 144 | void MACvSetShortRetryLimit(void __iomem *dwIoBase, unsigned char byRetryLimit) |
5449c685 | 145 | { |
9ab81fb7 | 146 | /* set SRT */ |
c3504bfd | 147 | VNSvOutPortB(dwIoBase + MAC_REG_SRT, byRetryLimit); |
5449c685 FB |
148 | } |
149 | ||
5449c685 FB |
150 | |
151 | /* | |
152 | * Description: | |
153 | * Set 802.11 Long Retry Limit | |
154 | * | |
155 | * Parameters: | |
156 | * In: | |
157 | * dwIoBase - Base Address for MAC | |
158 | * byRetryLimit- Retry Limit | |
159 | * Out: | |
160 | * none | |
161 | * | |
162 | * Return Value: none | |
163 | * | |
164 | */ | |
16834405 | 165 | void MACvSetLongRetryLimit(void __iomem *dwIoBase, unsigned char byRetryLimit) |
5449c685 | 166 | { |
9ab81fb7 | 167 | /* set LRT */ |
c3504bfd | 168 | VNSvOutPortB(dwIoBase + MAC_REG_LRT, byRetryLimit); |
5449c685 FB |
169 | } |
170 | ||
5449c685 FB |
171 | /* |
172 | * Description: | |
173 | * Set MAC Loopback mode | |
174 | * | |
175 | * Parameters: | |
176 | * In: | |
177 | * dwIoBase - Base Address for MAC | |
178 | * byLoopbackMode - Loopback Mode | |
179 | * Out: | |
180 | * none | |
181 | * | |
182 | * Return Value: none | |
183 | * | |
184 | */ | |
16834405 | 185 | void MACvSetLoopbackMode(void __iomem *dwIoBase, unsigned char byLoopbackMode) |
5449c685 | 186 | { |
c3504bfd JP |
187 | unsigned char byOrgValue; |
188 | ||
c3504bfd | 189 | byLoopbackMode <<= 6; |
9ab81fb7 | 190 | /* set TCR */ |
c3504bfd JP |
191 | VNSvInPortB(dwIoBase + MAC_REG_TEST, &byOrgValue); |
192 | byOrgValue = byOrgValue & 0x3F; | |
193 | byOrgValue = byOrgValue | byLoopbackMode; | |
194 | VNSvOutPortB(dwIoBase + MAC_REG_TEST, byOrgValue); | |
5449c685 FB |
195 | } |
196 | ||
5449c685 FB |
197 | /* |
198 | * Description: | |
199 | * Save MAC registers to context buffer | |
200 | * | |
201 | * Parameters: | |
202 | * In: | |
203 | * dwIoBase - Base Address for MAC | |
204 | * Out: | |
205 | * pbyCxtBuf - Context buffer | |
206 | * | |
207 | * Return Value: none | |
208 | * | |
209 | */ | |
16834405 | 210 | void MACvSaveContext(void __iomem *dwIoBase, unsigned char *pbyCxtBuf) |
5449c685 | 211 | { |
c3504bfd | 212 | int ii; |
5449c685 | 213 | |
9ab81fb7 | 214 | /* read page0 register */ |
bc5cf656 | 215 | for (ii = 0; ii < MAC_MAX_CONTEXT_SIZE_PAGE0; ii++) |
c3504bfd | 216 | VNSvInPortB((dwIoBase + ii), (pbyCxtBuf + ii)); |
5449c685 | 217 | |
c3504bfd | 218 | MACvSelectPage1(dwIoBase); |
5449c685 | 219 | |
9ab81fb7 | 220 | /* read page1 register */ |
bc5cf656 | 221 | for (ii = 0; ii < MAC_MAX_CONTEXT_SIZE_PAGE1; ii++) |
d4855fe1 GB |
222 | VNSvInPortB((dwIoBase + ii), |
223 | (pbyCxtBuf + MAC_MAX_CONTEXT_SIZE_PAGE0 + ii)); | |
5449c685 | 224 | |
c3504bfd | 225 | MACvSelectPage0(dwIoBase); |
5449c685 FB |
226 | } |
227 | ||
228 | /* | |
229 | * Description: | |
230 | * Restore MAC registers from context buffer | |
231 | * | |
232 | * Parameters: | |
233 | * In: | |
234 | * dwIoBase - Base Address for MAC | |
235 | * pbyCxtBuf - Context buffer | |
236 | * Out: | |
237 | * none | |
238 | * | |
239 | * Return Value: none | |
240 | * | |
241 | */ | |
16834405 | 242 | void MACvRestoreContext(void __iomem *dwIoBase, unsigned char *pbyCxtBuf) |
5449c685 | 243 | { |
c3504bfd | 244 | int ii; |
5449c685 | 245 | |
c3504bfd | 246 | MACvSelectPage1(dwIoBase); |
9ab81fb7 | 247 | /* restore page1 */ |
bc5cf656 | 248 | for (ii = 0; ii < MAC_MAX_CONTEXT_SIZE_PAGE1; ii++) |
d4855fe1 GB |
249 | VNSvOutPortB((dwIoBase + ii), |
250 | *(pbyCxtBuf + MAC_MAX_CONTEXT_SIZE_PAGE0 + ii)); | |
bc5cf656 | 251 | |
c3504bfd | 252 | MACvSelectPage0(dwIoBase); |
5449c685 | 253 | |
9ab81fb7 | 254 | /* restore RCR,TCR,IMR... */ |
bc5cf656 | 255 | for (ii = MAC_REG_RCR; ii < MAC_REG_ISR; ii++) |
c3504bfd | 256 | VNSvOutPortB(dwIoBase + ii, *(pbyCxtBuf + ii)); |
bc5cf656 | 257 | |
9ab81fb7 | 258 | /* restore MAC Config. */ |
bc5cf656 | 259 | for (ii = MAC_REG_LRT; ii < MAC_REG_PAGE1SEL; ii++) |
c3504bfd | 260 | VNSvOutPortB(dwIoBase + ii, *(pbyCxtBuf + ii)); |
bc5cf656 | 261 | |
c3504bfd | 262 | VNSvOutPortB(dwIoBase + MAC_REG_CFG, *(pbyCxtBuf + MAC_REG_CFG)); |
5449c685 | 263 | |
9ab81fb7 | 264 | /* restore PS Config. */ |
bc5cf656 | 265 | for (ii = MAC_REG_PSCFG; ii < MAC_REG_BBREGCTL; ii++) |
c3504bfd | 266 | VNSvOutPortB(dwIoBase + ii, *(pbyCxtBuf + ii)); |
5449c685 | 267 | |
9ab81fb7 | 268 | /* restore CURR_RX_DESC_ADDR, CURR_TX_DESC_ADDR */ |
d4855fe1 GB |
269 | VNSvOutPortD(dwIoBase + MAC_REG_TXDMAPTR0, |
270 | *(unsigned long *)(pbyCxtBuf + MAC_REG_TXDMAPTR0)); | |
271 | VNSvOutPortD(dwIoBase + MAC_REG_AC0DMAPTR, | |
272 | *(unsigned long *)(pbyCxtBuf + MAC_REG_AC0DMAPTR)); | |
273 | VNSvOutPortD(dwIoBase + MAC_REG_BCNDMAPTR, | |
274 | *(unsigned long *)(pbyCxtBuf + MAC_REG_BCNDMAPTR)); | |
275 | ||
276 | VNSvOutPortD(dwIoBase + MAC_REG_RXDMAPTR0, | |
277 | *(unsigned long *)(pbyCxtBuf + MAC_REG_RXDMAPTR0)); | |
278 | ||
279 | VNSvOutPortD(dwIoBase + MAC_REG_RXDMAPTR1, | |
280 | *(unsigned long *)(pbyCxtBuf + MAC_REG_RXDMAPTR1)); | |
5449c685 FB |
281 | } |
282 | ||
5449c685 FB |
283 | /* |
284 | * Description: | |
285 | * Software Reset MAC | |
286 | * | |
287 | * Parameters: | |
288 | * In: | |
289 | * dwIoBase - Base Address for MAC | |
290 | * Out: | |
291 | * none | |
292 | * | |
5a5a2a6a | 293 | * Return Value: true if Reset Success; otherwise false |
5449c685 FB |
294 | * |
295 | */ | |
16834405 | 296 | bool MACbSoftwareReset(void __iomem *dwIoBase) |
5449c685 | 297 | { |
c3504bfd JP |
298 | unsigned char byData; |
299 | unsigned short ww; | |
300 | ||
9ab81fb7 | 301 | /* turn on HOSTCR_SOFTRST, just write 0x01 to reset */ |
c3504bfd JP |
302 | VNSvOutPortB(dwIoBase + MAC_REG_HOSTCR, 0x01); |
303 | ||
304 | for (ww = 0; ww < W_MAX_TIMEOUT; ww++) { | |
305 | VNSvInPortB(dwIoBase + MAC_REG_HOSTCR, &byData); | |
306 | if (!(byData & HOSTCR_SOFTRST)) | |
307 | break; | |
308 | } | |
309 | if (ww == W_MAX_TIMEOUT) | |
310 | return false; | |
311 | return true; | |
5449c685 FB |
312 | } |
313 | ||
314 | /* | |
315 | * Description: | |
316 | * save some important register's value, then do reset, then restore register's value | |
317 | * | |
318 | * Parameters: | |
319 | * In: | |
320 | * dwIoBase - Base Address for MAC | |
321 | * Out: | |
322 | * none | |
323 | * | |
5a5a2a6a | 324 | * Return Value: true if success; otherwise false |
5449c685 FB |
325 | * |
326 | */ | |
16834405 | 327 | bool MACbSafeSoftwareReset(void __iomem *dwIoBase) |
5449c685 | 328 | { |
c3504bfd JP |
329 | unsigned char abyTmpRegData[MAC_MAX_CONTEXT_SIZE_PAGE0+MAC_MAX_CONTEXT_SIZE_PAGE1]; |
330 | bool bRetVal; | |
331 | ||
9ab81fb7 MS |
332 | /* PATCH.... |
333 | * save some important register's value, then do | |
334 | * reset, then restore register's value | |
335 | */ | |
336 | /* save MAC context */ | |
c3504bfd | 337 | MACvSaveContext(dwIoBase, abyTmpRegData); |
9ab81fb7 | 338 | /* do reset */ |
c3504bfd | 339 | bRetVal = MACbSoftwareReset(dwIoBase); |
9ab81fb7 | 340 | /* restore MAC context, except CR0 */ |
c3504bfd JP |
341 | MACvRestoreContext(dwIoBase, abyTmpRegData); |
342 | ||
343 | return bRetVal; | |
5449c685 FB |
344 | } |
345 | ||
346 | /* | |
347 | * Description: | |
b1797dfd | 348 | * Turn Off MAC Rx |
5449c685 FB |
349 | * |
350 | * Parameters: | |
351 | * In: | |
352 | * dwIoBase - Base Address for MAC | |
353 | * Out: | |
354 | * none | |
355 | * | |
5a5a2a6a | 356 | * Return Value: true if success; otherwise false |
5449c685 FB |
357 | * |
358 | */ | |
16834405 | 359 | bool MACbSafeRxOff(void __iomem *dwIoBase) |
5449c685 | 360 | { |
c3504bfd JP |
361 | unsigned short ww; |
362 | unsigned long dwData; | |
363 | unsigned char byData; | |
364 | ||
9ab81fb7 | 365 | /* turn off wow temp for turn off Rx safely */ |
c3504bfd | 366 | |
9ab81fb7 | 367 | /* Clear RX DMA0,1 */ |
c3504bfd JP |
368 | VNSvOutPortD(dwIoBase + MAC_REG_RXDMACTL0, DMACTL_CLRRUN); |
369 | VNSvOutPortD(dwIoBase + MAC_REG_RXDMACTL1, DMACTL_CLRRUN); | |
370 | for (ww = 0; ww < W_MAX_TIMEOUT; ww++) { | |
371 | VNSvInPortD(dwIoBase + MAC_REG_RXDMACTL0, &dwData); | |
372 | if (!(dwData & DMACTL_RUN)) | |
373 | break; | |
374 | } | |
375 | if (ww == W_MAX_TIMEOUT) { | |
48caf5a0 | 376 | pr_debug(" DBG_PORT80(0x10)\n"); |
a4ef27ad | 377 | return false; |
c3504bfd JP |
378 | } |
379 | for (ww = 0; ww < W_MAX_TIMEOUT; ww++) { | |
380 | VNSvInPortD(dwIoBase + MAC_REG_RXDMACTL1, &dwData); | |
381 | if (!(dwData & DMACTL_RUN)) | |
382 | break; | |
383 | } | |
384 | if (ww == W_MAX_TIMEOUT) { | |
48caf5a0 | 385 | pr_debug(" DBG_PORT80(0x11)\n"); |
a4ef27ad | 386 | return false; |
c3504bfd JP |
387 | } |
388 | ||
9ab81fb7 | 389 | /* try to safe shutdown RX */ |
c3504bfd | 390 | MACvRegBitsOff(dwIoBase, MAC_REG_HOSTCR, HOSTCR_RXON); |
9ab81fb7 | 391 | /* W_MAX_TIMEOUT is the timeout period */ |
c3504bfd JP |
392 | for (ww = 0; ww < W_MAX_TIMEOUT; ww++) { |
393 | VNSvInPortB(dwIoBase + MAC_REG_HOSTCR, &byData); | |
394 | if (!(byData & HOSTCR_RXONST)) | |
395 | break; | |
396 | } | |
397 | if (ww == W_MAX_TIMEOUT) { | |
48caf5a0 | 398 | pr_debug(" DBG_PORT80(0x12)\n"); |
a4ef27ad | 399 | return false; |
c3504bfd JP |
400 | } |
401 | return true; | |
5449c685 FB |
402 | } |
403 | ||
404 | /* | |
405 | * Description: | |
b1797dfd | 406 | * Turn Off MAC Tx |
5449c685 FB |
407 | * |
408 | * Parameters: | |
409 | * In: | |
410 | * dwIoBase - Base Address for MAC | |
411 | * Out: | |
412 | * none | |
413 | * | |
5a5a2a6a | 414 | * Return Value: true if success; otherwise false |
5449c685 FB |
415 | * |
416 | */ | |
16834405 | 417 | bool MACbSafeTxOff(void __iomem *dwIoBase) |
5449c685 | 418 | { |
c3504bfd JP |
419 | unsigned short ww; |
420 | unsigned long dwData; | |
421 | unsigned char byData; | |
422 | ||
9ab81fb7 MS |
423 | /* Clear TX DMA */ |
424 | /* Tx0 */ | |
c3504bfd | 425 | VNSvOutPortD(dwIoBase + MAC_REG_TXDMACTL0, DMACTL_CLRRUN); |
9ab81fb7 | 426 | /* AC0 */ |
c3504bfd JP |
427 | VNSvOutPortD(dwIoBase + MAC_REG_AC0DMACTL, DMACTL_CLRRUN); |
428 | ||
c3504bfd JP |
429 | for (ww = 0; ww < W_MAX_TIMEOUT; ww++) { |
430 | VNSvInPortD(dwIoBase + MAC_REG_TXDMACTL0, &dwData); | |
431 | if (!(dwData & DMACTL_RUN)) | |
432 | break; | |
433 | } | |
434 | if (ww == W_MAX_TIMEOUT) { | |
48caf5a0 | 435 | pr_debug(" DBG_PORT80(0x20)\n"); |
a4ef27ad | 436 | return false; |
c3504bfd JP |
437 | } |
438 | for (ww = 0; ww < W_MAX_TIMEOUT; ww++) { | |
439 | VNSvInPortD(dwIoBase + MAC_REG_AC0DMACTL, &dwData); | |
440 | if (!(dwData & DMACTL_RUN)) | |
441 | break; | |
442 | } | |
443 | if (ww == W_MAX_TIMEOUT) { | |
48caf5a0 | 444 | pr_debug(" DBG_PORT80(0x21)\n"); |
a4ef27ad | 445 | return false; |
c3504bfd JP |
446 | } |
447 | ||
9ab81fb7 | 448 | /* try to safe shutdown TX */ |
c3504bfd JP |
449 | MACvRegBitsOff(dwIoBase, MAC_REG_HOSTCR, HOSTCR_TXON); |
450 | ||
9ab81fb7 | 451 | /* W_MAX_TIMEOUT is the timeout period */ |
c3504bfd JP |
452 | for (ww = 0; ww < W_MAX_TIMEOUT; ww++) { |
453 | VNSvInPortB(dwIoBase + MAC_REG_HOSTCR, &byData); | |
454 | if (!(byData & HOSTCR_TXONST)) | |
455 | break; | |
456 | } | |
457 | if (ww == W_MAX_TIMEOUT) { | |
48caf5a0 | 458 | pr_debug(" DBG_PORT80(0x24)\n"); |
a4ef27ad | 459 | return false; |
c3504bfd JP |
460 | } |
461 | return true; | |
5449c685 FB |
462 | } |
463 | ||
464 | /* | |
465 | * Description: | |
466 | * Stop MAC function | |
467 | * | |
468 | * Parameters: | |
469 | * In: | |
470 | * dwIoBase - Base Address for MAC | |
471 | * Out: | |
472 | * none | |
473 | * | |
5a5a2a6a | 474 | * Return Value: true if success; otherwise false |
5449c685 FB |
475 | * |
476 | */ | |
16834405 | 477 | bool MACbSafeStop(void __iomem *dwIoBase) |
5449c685 | 478 | { |
c3504bfd JP |
479 | MACvRegBitsOff(dwIoBase, MAC_REG_TCR, TCR_AUTOBCNTX); |
480 | ||
1208f14a | 481 | if (!MACbSafeRxOff(dwIoBase)) { |
48caf5a0 | 482 | pr_debug(" MACbSafeRxOff == false)\n"); |
c3504bfd JP |
483 | MACbSafeSoftwareReset(dwIoBase); |
484 | return false; | |
485 | } | |
1208f14a | 486 | if (!MACbSafeTxOff(dwIoBase)) { |
48caf5a0 | 487 | pr_debug(" MACbSafeTxOff == false)\n"); |
c3504bfd JP |
488 | MACbSafeSoftwareReset(dwIoBase); |
489 | return false; | |
490 | } | |
491 | ||
492 | MACvRegBitsOff(dwIoBase, MAC_REG_HOSTCR, HOSTCR_MACEN); | |
493 | ||
494 | return true; | |
5449c685 FB |
495 | } |
496 | ||
497 | /* | |
498 | * Description: | |
499 | * Shut Down MAC | |
500 | * | |
501 | * Parameters: | |
502 | * In: | |
503 | * dwIoBase - Base Address for MAC | |
504 | * Out: | |
505 | * none | |
506 | * | |
5a5a2a6a | 507 | * Return Value: true if success; otherwise false |
5449c685 FB |
508 | * |
509 | */ | |
16834405 | 510 | bool MACbShutdown(void __iomem *dwIoBase) |
5449c685 | 511 | { |
9ab81fb7 | 512 | /* disable MAC IMR */ |
c3504bfd JP |
513 | MACvIntDisable(dwIoBase); |
514 | MACvSetLoopbackMode(dwIoBase, MAC_LB_INTERNAL); | |
9ab81fb7 | 515 | /* stop the adapter */ |
c3504bfd JP |
516 | if (!MACbSafeStop(dwIoBase)) { |
517 | MACvSetLoopbackMode(dwIoBase, MAC_LB_NONE); | |
518 | return false; | |
519 | } | |
520 | MACvSetLoopbackMode(dwIoBase, MAC_LB_NONE); | |
521 | return true; | |
5449c685 FB |
522 | } |
523 | ||
524 | /* | |
525 | * Description: | |
526 | * Initialize MAC | |
527 | * | |
528 | * Parameters: | |
529 | * In: | |
530 | * dwIoBase - Base Address for MAC | |
531 | * Out: | |
532 | * none | |
533 | * | |
534 | * Return Value: none | |
535 | * | |
536 | */ | |
16834405 | 537 | void MACvInitialize(void __iomem *dwIoBase) |
5449c685 | 538 | { |
9ab81fb7 | 539 | /* clear sticky bits */ |
c3504bfd | 540 | MACvClearStckDS(dwIoBase); |
9ab81fb7 | 541 | /* disable force PME-enable */ |
c3504bfd | 542 | VNSvOutPortB(dwIoBase + MAC_REG_PMC1, PME_OVR); |
9ab81fb7 | 543 | /* only 3253 A */ |
c3504bfd | 544 | |
9ab81fb7 | 545 | /* do reset */ |
c3504bfd JP |
546 | MACbSoftwareReset(dwIoBase); |
547 | ||
9ab81fb7 | 548 | /* reset TSF counter */ |
c3504bfd | 549 | VNSvOutPortB(dwIoBase + MAC_REG_TFTCTL, TFTCTL_TSFCNTRST); |
9ab81fb7 | 550 | /* enable TSF counter */ |
c3504bfd | 551 | VNSvOutPortB(dwIoBase + MAC_REG_TFTCTL, TFTCTL_TSFCNTREN); |
5449c685 FB |
552 | } |
553 | ||
554 | /* | |
555 | * Description: | |
556 | * Set the chip with current rx descriptor address | |
557 | * | |
558 | * Parameters: | |
559 | * In: | |
560 | * dwIoBase - Base Address for MAC | |
561 | * dwCurrDescAddr - Descriptor Address | |
562 | * Out: | |
563 | * none | |
564 | * | |
565 | * Return Value: none | |
566 | * | |
567 | */ | |
16834405 | 568 | void MACvSetCurrRx0DescAddr(void __iomem *dwIoBase, unsigned long dwCurrDescAddr) |
5449c685 | 569 | { |
c3504bfd JP |
570 | unsigned short ww; |
571 | unsigned char byData; | |
572 | unsigned char byOrgDMACtl; | |
573 | ||
574 | VNSvInPortB(dwIoBase + MAC_REG_RXDMACTL0, &byOrgDMACtl); | |
bc5cf656 | 575 | if (byOrgDMACtl & DMACTL_RUN) |
c3504bfd | 576 | VNSvOutPortB(dwIoBase + MAC_REG_RXDMACTL0+2, DMACTL_RUN); |
bc5cf656 | 577 | |
c3504bfd JP |
578 | for (ww = 0; ww < W_MAX_TIMEOUT; ww++) { |
579 | VNSvInPortB(dwIoBase + MAC_REG_RXDMACTL0, &byData); | |
580 | if (!(byData & DMACTL_RUN)) | |
581 | break; | |
582 | } | |
bc5cf656 | 583 | |
c3504bfd | 584 | VNSvOutPortD(dwIoBase + MAC_REG_RXDMAPTR0, dwCurrDescAddr); |
bc5cf656 | 585 | if (byOrgDMACtl & DMACTL_RUN) |
c3504bfd | 586 | VNSvOutPortB(dwIoBase + MAC_REG_RXDMACTL0, DMACTL_RUN); |
5449c685 FB |
587 | } |
588 | ||
589 | /* | |
590 | * Description: | |
591 | * Set the chip with current rx descriptor address | |
592 | * | |
593 | * Parameters: | |
594 | * In: | |
595 | * dwIoBase - Base Address for MAC | |
596 | * dwCurrDescAddr - Descriptor Address | |
597 | * Out: | |
598 | * none | |
599 | * | |
600 | * Return Value: none | |
601 | * | |
602 | */ | |
16834405 | 603 | void MACvSetCurrRx1DescAddr(void __iomem *dwIoBase, unsigned long dwCurrDescAddr) |
5449c685 | 604 | { |
c3504bfd JP |
605 | unsigned short ww; |
606 | unsigned char byData; | |
607 | unsigned char byOrgDMACtl; | |
608 | ||
609 | VNSvInPortB(dwIoBase + MAC_REG_RXDMACTL1, &byOrgDMACtl); | |
bc5cf656 | 610 | if (byOrgDMACtl & DMACTL_RUN) |
c3504bfd | 611 | VNSvOutPortB(dwIoBase + MAC_REG_RXDMACTL1+2, DMACTL_RUN); |
bc5cf656 | 612 | |
c3504bfd JP |
613 | for (ww = 0; ww < W_MAX_TIMEOUT; ww++) { |
614 | VNSvInPortB(dwIoBase + MAC_REG_RXDMACTL1, &byData); | |
615 | if (!(byData & DMACTL_RUN)) | |
616 | break; | |
617 | } | |
bc5cf656 | 618 | |
c3504bfd | 619 | VNSvOutPortD(dwIoBase + MAC_REG_RXDMAPTR1, dwCurrDescAddr); |
bc5cf656 | 620 | if (byOrgDMACtl & DMACTL_RUN) |
c3504bfd | 621 | VNSvOutPortB(dwIoBase + MAC_REG_RXDMACTL1, DMACTL_RUN); |
bc5cf656 | 622 | |
5449c685 FB |
623 | } |
624 | ||
625 | /* | |
626 | * Description: | |
627 | * Set the chip with current tx0 descriptor address | |
628 | * | |
629 | * Parameters: | |
630 | * In: | |
631 | * dwIoBase - Base Address for MAC | |
632 | * dwCurrDescAddr - Descriptor Address | |
633 | * Out: | |
634 | * none | |
635 | * | |
636 | * Return Value: none | |
637 | * | |
638 | */ | |
d4855fe1 GB |
639 | void MACvSetCurrTx0DescAddrEx(void __iomem *dwIoBase, |
640 | unsigned long dwCurrDescAddr) | |
5449c685 | 641 | { |
c3504bfd JP |
642 | unsigned short ww; |
643 | unsigned char byData; | |
644 | unsigned char byOrgDMACtl; | |
645 | ||
646 | VNSvInPortB(dwIoBase + MAC_REG_TXDMACTL0, &byOrgDMACtl); | |
bc5cf656 | 647 | if (byOrgDMACtl & DMACTL_RUN) |
c3504bfd | 648 | VNSvOutPortB(dwIoBase + MAC_REG_TXDMACTL0+2, DMACTL_RUN); |
bc5cf656 | 649 | |
c3504bfd JP |
650 | for (ww = 0; ww < W_MAX_TIMEOUT; ww++) { |
651 | VNSvInPortB(dwIoBase + MAC_REG_TXDMACTL0, &byData); | |
652 | if (!(byData & DMACTL_RUN)) | |
653 | break; | |
654 | } | |
bc5cf656 | 655 | |
c3504bfd | 656 | VNSvOutPortD(dwIoBase + MAC_REG_TXDMAPTR0, dwCurrDescAddr); |
bc5cf656 | 657 | if (byOrgDMACtl & DMACTL_RUN) |
c3504bfd | 658 | VNSvOutPortB(dwIoBase + MAC_REG_TXDMACTL0, DMACTL_RUN); |
5449c685 FB |
659 | } |
660 | ||
661 | /* | |
662 | * Description: | |
663 | * Set the chip with current AC0 descriptor address | |
664 | * | |
665 | * Parameters: | |
666 | * In: | |
667 | * dwIoBase - Base Address for MAC | |
668 | * dwCurrDescAddr - Descriptor Address | |
669 | * Out: | |
670 | * none | |
671 | * | |
672 | * Return Value: none | |
673 | * | |
674 | */ | |
9ab81fb7 | 675 | /* TxDMA1 = AC0DMA */ |
d4855fe1 GB |
676 | void MACvSetCurrAC0DescAddrEx(void __iomem *dwIoBase, |
677 | unsigned long dwCurrDescAddr) | |
5449c685 | 678 | { |
c3504bfd JP |
679 | unsigned short ww; |
680 | unsigned char byData; | |
681 | unsigned char byOrgDMACtl; | |
682 | ||
683 | VNSvInPortB(dwIoBase + MAC_REG_AC0DMACTL, &byOrgDMACtl); | |
bc5cf656 | 684 | if (byOrgDMACtl & DMACTL_RUN) |
c3504bfd | 685 | VNSvOutPortB(dwIoBase + MAC_REG_AC0DMACTL+2, DMACTL_RUN); |
bc5cf656 | 686 | |
c3504bfd JP |
687 | for (ww = 0; ww < W_MAX_TIMEOUT; ww++) { |
688 | VNSvInPortB(dwIoBase + MAC_REG_AC0DMACTL, &byData); | |
689 | if (!(byData & DMACTL_RUN)) | |
690 | break; | |
691 | } | |
692 | if (ww == W_MAX_TIMEOUT) { | |
48caf5a0 | 693 | pr_debug(" DBG_PORT80(0x26)\n"); |
c3504bfd JP |
694 | } |
695 | VNSvOutPortD(dwIoBase + MAC_REG_AC0DMAPTR, dwCurrDescAddr); | |
bc5cf656 | 696 | if (byOrgDMACtl & DMACTL_RUN) |
c3504bfd | 697 | VNSvOutPortB(dwIoBase + MAC_REG_AC0DMACTL, DMACTL_RUN); |
5449c685 FB |
698 | } |
699 | ||
d4855fe1 GB |
700 | void MACvSetCurrTXDescAddr(int iTxType, void __iomem *dwIoBase, |
701 | unsigned long dwCurrDescAddr) | |
5449c685 | 702 | { |
bc5cf656 | 703 | if (iTxType == TYPE_AC0DMA) |
c3504bfd | 704 | MACvSetCurrAC0DescAddrEx(dwIoBase, dwCurrDescAddr); |
bc5cf656 | 705 | else if (iTxType == TYPE_TXDMA0) |
c3504bfd | 706 | MACvSetCurrTx0DescAddrEx(dwIoBase, dwCurrDescAddr); |
5449c685 FB |
707 | } |
708 | ||
709 | /* | |
710 | * Description: | |
711 | * Micro Second Delay via MAC | |
712 | * | |
713 | * Parameters: | |
714 | * In: | |
715 | * dwIoBase - Base Address for MAC | |
716 | * uDelay - Delay time (timer resolution is 4 us) | |
717 | * Out: | |
718 | * none | |
719 | * | |
720 | * Return Value: none | |
721 | * | |
722 | */ | |
16834405 | 723 | void MACvTimer0MicroSDelay(void __iomem *dwIoBase, unsigned int uDelay) |
5449c685 | 724 | { |
c3504bfd JP |
725 | unsigned char byValue; |
726 | unsigned int uu, ii; | |
727 | ||
728 | VNSvOutPortB(dwIoBase + MAC_REG_TMCTL0, 0); | |
729 | VNSvOutPortD(dwIoBase + MAC_REG_TMDATA0, uDelay); | |
730 | VNSvOutPortB(dwIoBase + MAC_REG_TMCTL0, (TMCTL_TMD | TMCTL_TE)); | |
9ab81fb7 | 731 | for (ii = 0; ii < 66; ii++) { /* assume max PCI clock is 66Mhz */ |
c3504bfd JP |
732 | for (uu = 0; uu < uDelay; uu++) { |
733 | VNSvInPortB(dwIoBase + MAC_REG_TMCTL0, &byValue); | |
734 | if ((byValue == 0) || | |
735 | (byValue & TMCTL_TSUSP)) { | |
736 | VNSvOutPortB(dwIoBase + MAC_REG_TMCTL0, 0); | |
737 | return; | |
738 | } | |
739 | } | |
740 | } | |
741 | VNSvOutPortB(dwIoBase + MAC_REG_TMCTL0, 0); | |
5449c685 FB |
742 | } |
743 | ||
5449c685 FB |
744 | /* |
745 | * Description: | |
746 | * Micro Second One shot timer via MAC | |
747 | * | |
748 | * Parameters: | |
749 | * In: | |
750 | * dwIoBase - Base Address for MAC | |
751 | * uDelay - Delay time | |
752 | * Out: | |
753 | * none | |
754 | * | |
755 | * Return Value: none | |
756 | * | |
757 | */ | |
16834405 | 758 | void MACvOneShotTimer1MicroSec(void __iomem *dwIoBase, unsigned int uDelayTime) |
5449c685 | 759 | { |
c3504bfd JP |
760 | VNSvOutPortB(dwIoBase + MAC_REG_TMCTL1, 0); |
761 | VNSvOutPortD(dwIoBase + MAC_REG_TMDATA1, uDelayTime); | |
762 | VNSvOutPortB(dwIoBase + MAC_REG_TMCTL1, (TMCTL_TMD | TMCTL_TE)); | |
5449c685 FB |
763 | } |
764 | ||
d4855fe1 GB |
765 | void MACvSetMISCFifo(void __iomem *dwIoBase, unsigned short wOffset, |
766 | unsigned long dwData) | |
5449c685 | 767 | { |
c3504bfd JP |
768 | if (wOffset > 273) |
769 | return; | |
770 | VNSvOutPortW(dwIoBase + MAC_REG_MISCFFNDEX, wOffset); | |
771 | VNSvOutPortD(dwIoBase + MAC_REG_MISCFFDATA, dwData); | |
772 | VNSvOutPortW(dwIoBase + MAC_REG_MISCFFCTL, MISCFFCTL_WRITE); | |
5449c685 FB |
773 | } |
774 | ||
16834405 | 775 | bool MACbPSWakeup(void __iomem *dwIoBase) |
5449c685 | 776 | { |
c3504bfd JP |
777 | unsigned char byOrgValue; |
778 | unsigned int ww; | |
9ab81fb7 | 779 | /* Read PSCTL */ |
bc5cf656 | 780 | if (MACbIsRegBitsOff(dwIoBase, MAC_REG_PSCTL, PSCTL_PS)) |
c3504bfd | 781 | return true; |
bc5cf656 | 782 | |
9ab81fb7 | 783 | /* Disable PS */ |
c3504bfd JP |
784 | MACvRegBitsOff(dwIoBase, MAC_REG_PSCTL, PSCTL_PSEN); |
785 | ||
9ab81fb7 | 786 | /* Check if SyncFlushOK */ |
c3504bfd | 787 | for (ww = 0; ww < W_MAX_TIMEOUT; ww++) { |
75b4d52b | 788 | VNSvInPortB(dwIoBase + MAC_REG_PSCTL, &byOrgValue); |
c3504bfd JP |
789 | if (byOrgValue & PSCTL_WAKEDONE) |
790 | break; | |
791 | } | |
792 | if (ww == W_MAX_TIMEOUT) { | |
48caf5a0 | 793 | pr_debug(" DBG_PORT80(0x33)\n"); |
c3504bfd JP |
794 | return false; |
795 | } | |
796 | return true; | |
5449c685 FB |
797 | } |
798 | ||
799 | /* | |
800 | * Description: | |
801 | * Set the Key by MISCFIFO | |
802 | * | |
803 | * Parameters: | |
804 | * In: | |
805 | * dwIoBase - Base Address for MAC | |
806 | * | |
807 | * Out: | |
808 | * none | |
809 | * | |
810 | * Return Value: none | |
811 | * | |
812 | */ | |
813 | ||
d4855fe1 GB |
814 | void MACvSetKeyEntry(void __iomem *dwIoBase, unsigned short wKeyCtl, |
815 | unsigned int uEntryIdx, unsigned int uKeyIdx, | |
816 | unsigned char *pbyAddr, u32 *pdwKey, | |
817 | unsigned char byLocalID) | |
5449c685 | 818 | { |
c3504bfd | 819 | unsigned short wOffset; |
4dbc77c0 | 820 | u32 dwData; |
c3504bfd JP |
821 | int ii; |
822 | ||
823 | if (byLocalID <= 1) | |
824 | return; | |
825 | ||
48caf5a0 | 826 | pr_debug("MACvSetKeyEntry\n"); |
c3504bfd JP |
827 | wOffset = MISCFIFO_KEYETRY0; |
828 | wOffset += (uEntryIdx * MISCFIFO_KEYENTRYSIZE); | |
829 | ||
830 | dwData = 0; | |
831 | dwData |= wKeyCtl; | |
832 | dwData <<= 16; | |
833 | dwData |= MAKEWORD(*(pbyAddr+4), *(pbyAddr+5)); | |
48caf5a0 JP |
834 | pr_debug("1. wOffset: %d, Data: %X, KeyCtl:%X\n", |
835 | wOffset, dwData, wKeyCtl); | |
c3504bfd JP |
836 | |
837 | VNSvOutPortW(dwIoBase + MAC_REG_MISCFFNDEX, wOffset); | |
838 | VNSvOutPortD(dwIoBase + MAC_REG_MISCFFDATA, dwData); | |
839 | VNSvOutPortW(dwIoBase + MAC_REG_MISCFFCTL, MISCFFCTL_WRITE); | |
840 | wOffset++; | |
841 | ||
842 | dwData = 0; | |
843 | dwData |= *(pbyAddr+3); | |
844 | dwData <<= 8; | |
845 | dwData |= *(pbyAddr+2); | |
846 | dwData <<= 8; | |
847 | dwData |= *(pbyAddr+1); | |
848 | dwData <<= 8; | |
849 | dwData |= *(pbyAddr+0); | |
48caf5a0 | 850 | pr_debug("2. wOffset: %d, Data: %X\n", wOffset, dwData); |
c3504bfd JP |
851 | |
852 | VNSvOutPortW(dwIoBase + MAC_REG_MISCFFNDEX, wOffset); | |
853 | VNSvOutPortD(dwIoBase + MAC_REG_MISCFFDATA, dwData); | |
854 | VNSvOutPortW(dwIoBase + MAC_REG_MISCFFCTL, MISCFFCTL_WRITE); | |
855 | wOffset++; | |
856 | ||
857 | wOffset += (uKeyIdx * 4); | |
858 | for (ii = 0; ii < 4; ii++) { | |
9ab81fb7 | 859 | /* always push 128 bits */ |
48caf5a0 JP |
860 | pr_debug("3.(%d) wOffset: %d, Data: %X\n", |
861 | ii, wOffset+ii, *pdwKey); | |
c3504bfd JP |
862 | VNSvOutPortW(dwIoBase + MAC_REG_MISCFFNDEX, wOffset+ii); |
863 | VNSvOutPortD(dwIoBase + MAC_REG_MISCFFDATA, *pdwKey++); | |
864 | VNSvOutPortW(dwIoBase + MAC_REG_MISCFFCTL, MISCFFCTL_WRITE); | |
865 | } | |
5449c685 FB |
866 | } |
867 | ||
5449c685 FB |
868 | /* |
869 | * Description: | |
870 | * Disable the Key Entry by MISCFIFO | |
871 | * | |
872 | * Parameters: | |
873 | * In: | |
874 | * dwIoBase - Base Address for MAC | |
875 | * | |
876 | * Out: | |
877 | * none | |
878 | * | |
879 | * Return Value: none | |
880 | * | |
881 | */ | |
16834405 | 882 | void MACvDisableKeyEntry(void __iomem *dwIoBase, unsigned int uEntryIdx) |
5449c685 | 883 | { |
c3504bfd | 884 | unsigned short wOffset; |
5449c685 | 885 | |
c3504bfd JP |
886 | wOffset = MISCFIFO_KEYETRY0; |
887 | wOffset += (uEntryIdx * MISCFIFO_KEYENTRYSIZE); | |
5449c685 | 888 | |
c3504bfd JP |
889 | VNSvOutPortW(dwIoBase + MAC_REG_MISCFFNDEX, wOffset); |
890 | VNSvOutPortD(dwIoBase + MAC_REG_MISCFFDATA, 0); | |
891 | VNSvOutPortW(dwIoBase + MAC_REG_MISCFFCTL, MISCFFCTL_WRITE); | |
5449c685 | 892 | } |