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 * File: card.c 16 * Purpose: Provide functions to setup NIC operation mode 17 * Functions: 18 * s_vSafeResetTx - Rest Tx 19 * CARDvSetRSPINF - Set RSPINF 20 * CARDvUpdateBasicTopRate - Update BasicTopRate 21 * CARDbAddBasicRate - Add to BasicRateSet 22 * CARDbIsOFDMinBasicRate - Check if any OFDM rate is in BasicRateSet 23 * CARDvSetLoopbackMode - Set Loopback mode 24 * CARDbSoftwareReset - Sortware reset NIC 25 * CARDqGetTSFOffset - Calculate TSFOffset 26 * CARDbGetCurrentTSF - Read Current NIC TSF counter 27 * CARDqGetNextTBTT - Calculate Next Beacon TSF counter 28 * CARDvSetFirstNextTBTT - Set NIC Beacon time 29 * CARDvUpdateNextTBTT - Sync. NIC Beacon time 30 * CARDbRadioPowerOff - Turn Off NIC Radio Power 31 * CARDbRadioPowerOn - Turn On NIC Radio Power 32 * 33 * Revision History: 34 * 06-10-2003 Bryan YC Fan: Re-write codes to support VT3253 spec. 35 * 08-26-2003 Kyle Hsu: Modify the defination type of iobase. 36 * 09-01-2003 Bryan YC Fan: Add vUpdateIFS(). 37 * 38 */ 39 40 #include "tmacro.h" 41 #include "card.h" 42 #include "baseband.h" 43 #include "mac.h" 44 #include "desc.h" 45 #include "rf.h" 46 #include "power.h" 47 48 /*--------------------- Static Definitions -------------------------*/ 49 50 #define C_SIFS_A 16 /* micro sec. */ 51 #define C_SIFS_BG 10 52 53 #define C_EIFS 80 /* micro sec. */ 54 55 #define C_SLOT_SHORT 9 /* micro sec. */ 56 #define C_SLOT_LONG 20 57 58 #define C_CWMIN_A 15 /* slot time */ 59 #define C_CWMIN_B 31 60 61 #define C_CWMAX 1023 /* slot time */ 62 63 #define WAIT_BEACON_TX_DOWN_TMO 3 /* Times */ 64 65 /*--------------------- Static Variables --------------------------*/ 66 67 static const unsigned short cwRXBCNTSFOff[MAX_RATE] = { 68 17, 17, 17, 17, 34, 23, 17, 11, 8, 5, 4, 3}; 69 70 /*--------------------- Static Functions --------------------------*/ 71 72 static 73 void 74 s_vCalculateOFDMRParameter( 75 unsigned char byRate, 76 u8 bb_type, 77 unsigned char *pbyTxRate, 78 unsigned char *pbyRsvTime 79 ); 80 81 /*--------------------- Export Functions --------------------------*/ 82 83 /* 84 * Description: Calculate TxRate and RsvTime fields for RSPINF in OFDM mode. 85 * 86 * Parameters: 87 * In: 88 * wRate - Tx Rate 89 * byPktType - Tx Packet type 90 * Out: 91 * pbyTxRate - pointer to RSPINF TxRate field 92 * pbyRsvTime - pointer to RSPINF RsvTime field 93 * 94 * Return Value: none 95 */ 96 static 97 void 98 s_vCalculateOFDMRParameter( 99 unsigned char byRate, 100 u8 bb_type, 101 unsigned char *pbyTxRate, 102 unsigned char *pbyRsvTime 103 ) 104 { 105 switch (byRate) { 106 case RATE_6M: 107 if (bb_type == BB_TYPE_11A) { /* 5GHZ */ 108 *pbyTxRate = 0x9B; 109 *pbyRsvTime = 44; 110 } else { 111 *pbyTxRate = 0x8B; 112 *pbyRsvTime = 50; 113 } 114 break; 115 116 case RATE_9M: 117 if (bb_type == BB_TYPE_11A) { /* 5GHZ */ 118 *pbyTxRate = 0x9F; 119 *pbyRsvTime = 36; 120 } else { 121 *pbyTxRate = 0x8F; 122 *pbyRsvTime = 42; 123 } 124 break; 125 126 case RATE_12M: 127 if (bb_type == BB_TYPE_11A) { /* 5GHZ */ 128 *pbyTxRate = 0x9A; 129 *pbyRsvTime = 32; 130 } else { 131 *pbyTxRate = 0x8A; 132 *pbyRsvTime = 38; 133 } 134 break; 135 136 case RATE_18M: 137 if (bb_type == BB_TYPE_11A) { /* 5GHZ */ 138 *pbyTxRate = 0x9E; 139 *pbyRsvTime = 28; 140 } else { 141 *pbyTxRate = 0x8E; 142 *pbyRsvTime = 34; 143 } 144 break; 145 146 case RATE_36M: 147 if (bb_type == BB_TYPE_11A) { /* 5GHZ */ 148 *pbyTxRate = 0x9D; 149 *pbyRsvTime = 24; 150 } else { 151 *pbyTxRate = 0x8D; 152 *pbyRsvTime = 30; 153 } 154 break; 155 156 case RATE_48M: 157 if (bb_type == BB_TYPE_11A) { /* 5GHZ */ 158 *pbyTxRate = 0x98; 159 *pbyRsvTime = 24; 160 } else { 161 *pbyTxRate = 0x88; 162 *pbyRsvTime = 30; 163 } 164 break; 165 166 case RATE_54M: 167 if (bb_type == BB_TYPE_11A) { /* 5GHZ */ 168 *pbyTxRate = 0x9C; 169 *pbyRsvTime = 24; 170 } else { 171 *pbyTxRate = 0x8C; 172 *pbyRsvTime = 30; 173 } 174 break; 175 176 case RATE_24M: 177 default: 178 if (bb_type == BB_TYPE_11A) { /* 5GHZ */ 179 *pbyTxRate = 0x99; 180 *pbyRsvTime = 28; 181 } else { 182 *pbyTxRate = 0x89; 183 *pbyRsvTime = 34; 184 } 185 break; 186 } 187 } 188 189 /*--------------------- Export Functions --------------------------*/ 190 191 /* 192 * Description: Update IFS 193 * 194 * Parameters: 195 * In: 196 * priv - The adapter to be set 197 * Out: 198 * none 199 * 200 * Return Value: None. 201 */ 202 bool CARDbSetPhyParameter(struct vnt_private *priv, u8 bb_type) 203 { 204 unsigned char byCWMaxMin = 0; 205 unsigned char bySlot = 0; 206 unsigned char bySIFS = 0; 207 unsigned char byDIFS = 0; 208 unsigned char byData; 209 int i; 210 211 /* Set SIFS, DIFS, EIFS, SlotTime, CwMin */ 212 if (bb_type == BB_TYPE_11A) { 213 if (priv->byRFType == RF_AIROHA7230) { 214 /* AL7230 use single PAPE and connect to PAPE_2.4G */ 215 MACvSetBBType(priv->PortOffset, BB_TYPE_11G); 216 priv->abyBBVGA[0] = 0x20; 217 priv->abyBBVGA[2] = 0x10; 218 priv->abyBBVGA[3] = 0x10; 219 BBbReadEmbedded(priv, 0xE7, &byData); 220 if (byData == 0x1C) 221 BBbWriteEmbedded(priv, 0xE7, priv->abyBBVGA[0]); 222 223 } else if (priv->byRFType == RF_UW2452) { 224 MACvSetBBType(priv->PortOffset, BB_TYPE_11A); 225 priv->abyBBVGA[0] = 0x18; 226 BBbReadEmbedded(priv, 0xE7, &byData); 227 if (byData == 0x14) { 228 BBbWriteEmbedded(priv, 0xE7, priv->abyBBVGA[0]); 229 BBbWriteEmbedded(priv, 0xE1, 0x57); 230 } 231 } else { 232 MACvSetBBType(priv->PortOffset, BB_TYPE_11A); 233 } 234 BBbWriteEmbedded(priv, 0x88, 0x03); 235 bySlot = C_SLOT_SHORT; 236 bySIFS = C_SIFS_A; 237 byDIFS = C_SIFS_A + 2 * C_SLOT_SHORT; 238 byCWMaxMin = 0xA4; 239 } else if (bb_type == BB_TYPE_11B) { 240 MACvSetBBType(priv->PortOffset, BB_TYPE_11B); 241 if (priv->byRFType == RF_AIROHA7230) { 242 priv->abyBBVGA[0] = 0x1C; 243 priv->abyBBVGA[2] = 0x00; 244 priv->abyBBVGA[3] = 0x00; 245 BBbReadEmbedded(priv, 0xE7, &byData); 246 if (byData == 0x20) 247 BBbWriteEmbedded(priv, 0xE7, priv->abyBBVGA[0]); 248 249 } else if (priv->byRFType == RF_UW2452) { 250 priv->abyBBVGA[0] = 0x14; 251 BBbReadEmbedded(priv, 0xE7, &byData); 252 if (byData == 0x18) { 253 BBbWriteEmbedded(priv, 0xE7, priv->abyBBVGA[0]); 254 BBbWriteEmbedded(priv, 0xE1, 0xD3); 255 } 256 } 257 BBbWriteEmbedded(priv, 0x88, 0x02); 258 bySlot = C_SLOT_LONG; 259 bySIFS = C_SIFS_BG; 260 byDIFS = C_SIFS_BG + 2 * C_SLOT_LONG; 261 byCWMaxMin = 0xA5; 262 } else { /* PK_TYPE_11GA & PK_TYPE_11GB */ 263 MACvSetBBType(priv->PortOffset, BB_TYPE_11G); 264 if (priv->byRFType == RF_AIROHA7230) { 265 priv->abyBBVGA[0] = 0x1C; 266 priv->abyBBVGA[2] = 0x00; 267 priv->abyBBVGA[3] = 0x00; 268 BBbReadEmbedded(priv, 0xE7, &byData); 269 if (byData == 0x20) 270 BBbWriteEmbedded(priv, 0xE7, priv->abyBBVGA[0]); 271 272 } else if (priv->byRFType == RF_UW2452) { 273 priv->abyBBVGA[0] = 0x14; 274 BBbReadEmbedded(priv, 0xE7, &byData); 275 if (byData == 0x18) { 276 BBbWriteEmbedded(priv, 0xE7, priv->abyBBVGA[0]); 277 BBbWriteEmbedded(priv, 0xE1, 0xD3); 278 } 279 } 280 BBbWriteEmbedded(priv, 0x88, 0x08); 281 bySIFS = C_SIFS_BG; 282 283 if (priv->bShortSlotTime) { 284 bySlot = C_SLOT_SHORT; 285 byDIFS = C_SIFS_BG + 2 * C_SLOT_SHORT; 286 } else { 287 bySlot = C_SLOT_LONG; 288 byDIFS = C_SIFS_BG + 2 * C_SLOT_LONG; 289 } 290 291 byCWMaxMin = 0xa4; 292 293 for (i = RATE_54M; i >= RATE_6M; i--) { 294 if (priv->basic_rates & ((u32)(0x1 << i))) { 295 byCWMaxMin |= 0x1; 296 break; 297 } 298 } 299 } 300 301 if (priv->byRFType == RF_RFMD2959) { 302 /* 303 * bcs TX_PE will reserve 3 us hardware's processing 304 * time here is 2 us. 305 */ 306 bySIFS -= 3; 307 byDIFS -= 3; 308 /* 309 * TX_PE will reserve 3 us for MAX2829 A mode only, it is for 310 * better TX throughput; MAC will need 2 us to process, so the 311 * SIFS, DIFS can be shorter by 2 us. 312 */ 313 } 314 315 if (priv->bySIFS != bySIFS) { 316 priv->bySIFS = bySIFS; 317 VNSvOutPortB(priv->PortOffset + MAC_REG_SIFS, priv->bySIFS); 318 } 319 if (priv->byDIFS != byDIFS) { 320 priv->byDIFS = byDIFS; 321 VNSvOutPortB(priv->PortOffset + MAC_REG_DIFS, priv->byDIFS); 322 } 323 if (priv->byEIFS != C_EIFS) { 324 priv->byEIFS = C_EIFS; 325 VNSvOutPortB(priv->PortOffset + MAC_REG_EIFS, priv->byEIFS); 326 } 327 if (priv->bySlot != bySlot) { 328 priv->bySlot = bySlot; 329 VNSvOutPortB(priv->PortOffset + MAC_REG_SLOT, priv->bySlot); 330 331 BBvSetShortSlotTime(priv); 332 } 333 if (priv->byCWMaxMin != byCWMaxMin) { 334 priv->byCWMaxMin = byCWMaxMin; 335 VNSvOutPortB(priv->PortOffset + MAC_REG_CWMAXMIN0, 336 priv->byCWMaxMin); 337 } 338 339 priv->byPacketType = CARDbyGetPktType(priv); 340 341 CARDvSetRSPINF(priv, bb_type); 342 343 return true; 344 } 345 346 /* 347 * Description: Sync. TSF counter to BSS 348 * Get TSF offset and write to HW 349 * 350 * Parameters: 351 * In: 352 * priv - The adapter to be sync. 353 * byRxRate - data rate of receive beacon 354 * qwBSSTimestamp - Rx BCN's TSF 355 * qwLocalTSF - Local TSF 356 * Out: 357 * none 358 * 359 * Return Value: none 360 */ 361 bool CARDbUpdateTSF(struct vnt_private *priv, unsigned char byRxRate, 362 u64 qwBSSTimestamp) 363 { 364 u64 local_tsf; 365 u64 qwTSFOffset = 0; 366 367 CARDbGetCurrentTSF(priv, &local_tsf); 368 369 if (qwBSSTimestamp != local_tsf) { 370 qwTSFOffset = CARDqGetTSFOffset(byRxRate, qwBSSTimestamp, 371 local_tsf); 372 /* adjust TSF, HW's TSF add TSF Offset reg */ 373 VNSvOutPortD(priv->PortOffset + MAC_REG_TSFOFST, 374 (u32)qwTSFOffset); 375 VNSvOutPortD(priv->PortOffset + MAC_REG_TSFOFST + 4, 376 (u32)(qwTSFOffset >> 32)); 377 MACvRegBitsOn(priv->PortOffset, MAC_REG_TFTCTL, 378 TFTCTL_TSFSYNCEN); 379 } 380 return true; 381 } 382 383 /* 384 * Description: Set NIC TSF counter for first Beacon time 385 * Get NEXTTBTT from adjusted TSF and Beacon Interval 386 * 387 * Parameters: 388 * In: 389 * priv - The adapter to be set. 390 * wBeaconInterval - Beacon Interval 391 * Out: 392 * none 393 * 394 * Return Value: true if succeed; otherwise false 395 */ 396 bool CARDbSetBeaconPeriod(struct vnt_private *priv, 397 unsigned short wBeaconInterval) 398 { 399 u64 qwNextTBTT = 0; 400 401 CARDbGetCurrentTSF(priv, &qwNextTBTT); /* Get Local TSF counter */ 402 403 qwNextTBTT = CARDqGetNextTBTT(qwNextTBTT, wBeaconInterval); 404 405 /* set HW beacon interval */ 406 VNSvOutPortW(priv->PortOffset + MAC_REG_BI, wBeaconInterval); 407 priv->wBeaconInterval = wBeaconInterval; 408 /* Set NextTBTT */ 409 VNSvOutPortD(priv->PortOffset + MAC_REG_NEXTTBTT, (u32)qwNextTBTT); 410 VNSvOutPortD(priv->PortOffset + MAC_REG_NEXTTBTT + 4, 411 (u32)(qwNextTBTT >> 32)); 412 MACvRegBitsOn(priv->PortOffset, MAC_REG_TFTCTL, TFTCTL_TBTTSYNCEN); 413 414 return true; 415 } 416 417 /* 418 * Description: Turn off Radio power 419 * 420 * Parameters: 421 * In: 422 * priv - The adapter to be turned off 423 * Out: 424 * none 425 * 426 * Return Value: true if success; otherwise false 427 */ 428 bool CARDbRadioPowerOff(struct vnt_private *priv) 429 { 430 bool bResult = true; 431 432 if (priv->bRadioOff) 433 return true; 434 435 switch (priv->byRFType) { 436 case RF_RFMD2959: 437 MACvWordRegBitsOff(priv->PortOffset, MAC_REG_SOFTPWRCTL, 438 SOFTPWRCTL_TXPEINV); 439 MACvWordRegBitsOn(priv->PortOffset, MAC_REG_SOFTPWRCTL, 440 SOFTPWRCTL_SWPE1); 441 break; 442 443 case RF_AIROHA: 444 case RF_AL2230S: 445 case RF_AIROHA7230: 446 MACvWordRegBitsOff(priv->PortOffset, MAC_REG_SOFTPWRCTL, 447 SOFTPWRCTL_SWPE2); 448 MACvWordRegBitsOff(priv->PortOffset, MAC_REG_SOFTPWRCTL, 449 SOFTPWRCTL_SWPE3); 450 break; 451 } 452 453 MACvRegBitsOff(priv->PortOffset, MAC_REG_HOSTCR, HOSTCR_RXON); 454 455 BBvSetDeepSleep(priv, priv->byLocalID); 456 457 priv->bRadioOff = true; 458 pr_debug("chester power off\n"); 459 MACvRegBitsOn(priv->PortOffset, MAC_REG_GPIOCTL0, 460 LED_ACTSET); /* LED issue */ 461 return bResult; 462 } 463 464 /* 465 * Description: Turn on Radio power 466 * 467 * Parameters: 468 * In: 469 * priv - The adapter to be turned on 470 * Out: 471 * none 472 * 473 * Return Value: true if success; otherwise false 474 */ 475 bool CARDbRadioPowerOn(struct vnt_private *priv) 476 { 477 bool bResult = true; 478 479 pr_debug("chester power on\n"); 480 if (priv->bRadioControlOff) { 481 if (priv->bHWRadioOff) 482 pr_debug("chester bHWRadioOff\n"); 483 if (priv->bRadioControlOff) 484 pr_debug("chester bRadioControlOff\n"); 485 return false; } 486 487 if (!priv->bRadioOff) { 488 pr_debug("chester pbRadioOff\n"); 489 return true; } 490 491 BBvExitDeepSleep(priv, priv->byLocalID); 492 493 MACvRegBitsOn(priv->PortOffset, MAC_REG_HOSTCR, HOSTCR_RXON); 494 495 switch (priv->byRFType) { 496 case RF_RFMD2959: 497 MACvWordRegBitsOn(priv->PortOffset, MAC_REG_SOFTPWRCTL, 498 SOFTPWRCTL_TXPEINV); 499 MACvWordRegBitsOff(priv->PortOffset, MAC_REG_SOFTPWRCTL, 500 SOFTPWRCTL_SWPE1); 501 break; 502 503 case RF_AIROHA: 504 case RF_AL2230S: 505 case RF_AIROHA7230: 506 MACvWordRegBitsOn(priv->PortOffset, MAC_REG_SOFTPWRCTL, 507 (SOFTPWRCTL_SWPE2 | SOFTPWRCTL_SWPE3)); 508 break; 509 } 510 511 priv->bRadioOff = false; 512 pr_debug("chester power on\n"); 513 MACvRegBitsOff(priv->PortOffset, MAC_REG_GPIOCTL0, 514 LED_ACTSET); /* LED issue */ 515 return bResult; 516 } 517 518 void 519 CARDvSafeResetTx( 520 struct vnt_private *priv 521 ) 522 { 523 unsigned int uu; 524 struct vnt_tx_desc *pCurrTD; 525 526 /* initialize TD index */ 527 priv->apTailTD[0] = &(priv->apTD0Rings[0]); 528 priv->apCurrTD[0] = &(priv->apTD0Rings[0]); 529 530 priv->apTailTD[1] = &(priv->apTD1Rings[0]); 531 priv->apCurrTD[1] = &(priv->apTD1Rings[0]); 532 533 for (uu = 0; uu < TYPE_MAXTD; uu++) 534 priv->iTDUsed[uu] = 0; 535 536 for (uu = 0; uu < priv->opts.tx_descs[0]; uu++) { 537 pCurrTD = &(priv->apTD0Rings[uu]); 538 pCurrTD->td0.owner = OWNED_BY_HOST; 539 /* init all Tx Packet pointer to NULL */ 540 } 541 for (uu = 0; uu < priv->opts.tx_descs[1]; uu++) { 542 pCurrTD = &(priv->apTD1Rings[uu]); 543 pCurrTD->td0.owner = OWNED_BY_HOST; 544 /* init all Tx Packet pointer to NULL */ 545 } 546 547 /* set MAC TD pointer */ 548 MACvSetCurrTXDescAddr(TYPE_TXDMA0, priv, priv->td0_pool_dma); 549 550 MACvSetCurrTXDescAddr(TYPE_AC0DMA, priv, priv->td1_pool_dma); 551 552 /* set MAC Beacon TX pointer */ 553 MACvSetCurrBCNTxDescAddr(priv->PortOffset, 554 (priv->tx_beacon_dma)); 555 } 556 557 /* 558 * Description: 559 * Reset Rx 560 * 561 * Parameters: 562 * In: 563 * priv - Pointer to the adapter 564 * Out: 565 * none 566 * 567 * Return Value: none 568 */ 569 void 570 CARDvSafeResetRx( 571 struct vnt_private *priv 572 ) 573 { 574 unsigned int uu; 575 struct vnt_rx_desc *pDesc; 576 577 /* initialize RD index */ 578 priv->pCurrRD[0] = &(priv->aRD0Ring[0]); 579 priv->pCurrRD[1] = &(priv->aRD1Ring[0]); 580 581 /* init state, all RD is chip's */ 582 for (uu = 0; uu < priv->opts.rx_descs0; uu++) { 583 pDesc = &(priv->aRD0Ring[uu]); 584 pDesc->rd0.res_count = cpu_to_le16(priv->rx_buf_sz); 585 pDesc->rd0.owner = OWNED_BY_NIC; 586 pDesc->rd1.req_count = cpu_to_le16(priv->rx_buf_sz); 587 } 588 589 /* init state, all RD is chip's */ 590 for (uu = 0; uu < priv->opts.rx_descs1; uu++) { 591 pDesc = &(priv->aRD1Ring[uu]); 592 pDesc->rd0.res_count = cpu_to_le16(priv->rx_buf_sz); 593 pDesc->rd0.owner = OWNED_BY_NIC; 594 pDesc->rd1.req_count = cpu_to_le16(priv->rx_buf_sz); 595 } 596 597 /* set perPkt mode */ 598 MACvRx0PerPktMode(priv->PortOffset); 599 MACvRx1PerPktMode(priv->PortOffset); 600 /* set MAC RD pointer */ 601 MACvSetCurrRx0DescAddr(priv, priv->rd0_pool_dma); 602 603 MACvSetCurrRx1DescAddr(priv, priv->rd1_pool_dma); 604 } 605 606 /* 607 * Description: Get response Control frame rate in CCK mode 608 * 609 * Parameters: 610 * In: 611 * priv - The adapter to be set 612 * wRateIdx - Receiving data rate 613 * Out: 614 * none 615 * 616 * Return Value: response Control frame rate 617 */ 618 static unsigned short CARDwGetCCKControlRate(struct vnt_private *priv, 619 unsigned short wRateIdx) 620 { 621 unsigned int ui = (unsigned int)wRateIdx; 622 623 while (ui > RATE_1M) { 624 if (priv->basic_rates & ((u32)0x1 << ui)) 625 return (unsigned short)ui; 626 627 ui--; 628 } 629 return (unsigned short)RATE_1M; 630 } 631 632 /* 633 * Description: Get response Control frame rate in OFDM mode 634 * 635 * Parameters: 636 * In: 637 * priv - The adapter to be set 638 * wRateIdx - Receiving data rate 639 * Out: 640 * none 641 * 642 * Return Value: response Control frame rate 643 */ 644 static unsigned short CARDwGetOFDMControlRate(struct vnt_private *priv, 645 unsigned short wRateIdx) 646 { 647 unsigned int ui = (unsigned int)wRateIdx; 648 649 pr_debug("BASIC RATE: %X\n", priv->basic_rates); 650 651 if (!CARDbIsOFDMinBasicRate((void *)priv)) { 652 pr_debug("CARDwGetOFDMControlRate:(NO OFDM) %d\n", wRateIdx); 653 if (wRateIdx > RATE_24M) 654 wRateIdx = RATE_24M; 655 return wRateIdx; 656 } 657 while (ui > RATE_11M) { 658 if (priv->basic_rates & ((u32)0x1 << ui)) { 659 pr_debug("CARDwGetOFDMControlRate : %d\n", ui); 660 return (unsigned short)ui; 661 } 662 ui--; 663 } 664 pr_debug("CARDwGetOFDMControlRate: 6M\n"); 665 return (unsigned short)RATE_24M; 666 } 667 668 /* 669 * Description: Set RSPINF 670 * 671 * Parameters: 672 * In: 673 * priv - The adapter to be set 674 * Out: 675 * none 676 * 677 * Return Value: None. 678 */ 679 void CARDvSetRSPINF(struct vnt_private *priv, u8 bb_type) 680 { 681 union vnt_phy_field_swap phy; 682 unsigned char byTxRate, byRsvTime; /* For OFDM */ 683 unsigned long flags; 684 685 spin_lock_irqsave(&priv->lock, flags); 686 687 /* Set to Page1 */ 688 MACvSelectPage1(priv->PortOffset); 689 690 /* RSPINF_b_1 */ 691 vnt_get_phy_field(priv, 14, 692 CARDwGetCCKControlRate(priv, RATE_1M), 693 PK_TYPE_11B, &phy.field_read); 694 695 /* swap over to get correct write order */ 696 swap(phy.swap[0], phy.swap[1]); 697 698 VNSvOutPortD(priv->PortOffset + MAC_REG_RSPINF_B_1, phy.field_write); 699 700 /* RSPINF_b_2 */ 701 vnt_get_phy_field(priv, 14, 702 CARDwGetCCKControlRate(priv, RATE_2M), 703 PK_TYPE_11B, &phy.field_read); 704 705 swap(phy.swap[0], phy.swap[1]); 706 707 VNSvOutPortD(priv->PortOffset + MAC_REG_RSPINF_B_2, phy.field_write); 708 709 /* RSPINF_b_5 */ 710 vnt_get_phy_field(priv, 14, 711 CARDwGetCCKControlRate(priv, RATE_5M), 712 PK_TYPE_11B, &phy.field_read); 713 714 swap(phy.swap[0], phy.swap[1]); 715 716 VNSvOutPortD(priv->PortOffset + MAC_REG_RSPINF_B_5, phy.field_write); 717 718 /* RSPINF_b_11 */ 719 vnt_get_phy_field(priv, 14, 720 CARDwGetCCKControlRate(priv, RATE_11M), 721 PK_TYPE_11B, &phy.field_read); 722 723 swap(phy.swap[0], phy.swap[1]); 724 725 VNSvOutPortD(priv->PortOffset + MAC_REG_RSPINF_B_11, phy.field_write); 726 727 /* RSPINF_a_6 */ 728 s_vCalculateOFDMRParameter(RATE_6M, 729 bb_type, 730 &byTxRate, 731 &byRsvTime); 732 VNSvOutPortW(priv->PortOffset + MAC_REG_RSPINF_A_6, 733 MAKEWORD(byTxRate, byRsvTime)); 734 /* RSPINF_a_9 */ 735 s_vCalculateOFDMRParameter(RATE_9M, 736 bb_type, 737 &byTxRate, 738 &byRsvTime); 739 VNSvOutPortW(priv->PortOffset + MAC_REG_RSPINF_A_9, 740 MAKEWORD(byTxRate, byRsvTime)); 741 /* RSPINF_a_12 */ 742 s_vCalculateOFDMRParameter(RATE_12M, 743 bb_type, 744 &byTxRate, 745 &byRsvTime); 746 VNSvOutPortW(priv->PortOffset + MAC_REG_RSPINF_A_12, 747 MAKEWORD(byTxRate, byRsvTime)); 748 /* RSPINF_a_18 */ 749 s_vCalculateOFDMRParameter(RATE_18M, 750 bb_type, 751 &byTxRate, 752 &byRsvTime); 753 VNSvOutPortW(priv->PortOffset + MAC_REG_RSPINF_A_18, 754 MAKEWORD(byTxRate, byRsvTime)); 755 /* RSPINF_a_24 */ 756 s_vCalculateOFDMRParameter(RATE_24M, 757 bb_type, 758 &byTxRate, 759 &byRsvTime); 760 VNSvOutPortW(priv->PortOffset + MAC_REG_RSPINF_A_24, 761 MAKEWORD(byTxRate, byRsvTime)); 762 /* RSPINF_a_36 */ 763 s_vCalculateOFDMRParameter(CARDwGetOFDMControlRate( 764 (void *)priv, 765 RATE_36M), 766 bb_type, 767 &byTxRate, 768 &byRsvTime); 769 VNSvOutPortW(priv->PortOffset + MAC_REG_RSPINF_A_36, 770 MAKEWORD(byTxRate, byRsvTime)); 771 /* RSPINF_a_48 */ 772 s_vCalculateOFDMRParameter(CARDwGetOFDMControlRate( 773 (void *)priv, 774 RATE_48M), 775 bb_type, 776 &byTxRate, 777 &byRsvTime); 778 VNSvOutPortW(priv->PortOffset + MAC_REG_RSPINF_A_48, 779 MAKEWORD(byTxRate, byRsvTime)); 780 /* RSPINF_a_54 */ 781 s_vCalculateOFDMRParameter(CARDwGetOFDMControlRate( 782 (void *)priv, 783 RATE_54M), 784 bb_type, 785 &byTxRate, 786 &byRsvTime); 787 VNSvOutPortW(priv->PortOffset + MAC_REG_RSPINF_A_54, 788 MAKEWORD(byTxRate, byRsvTime)); 789 /* RSPINF_a_72 */ 790 s_vCalculateOFDMRParameter(CARDwGetOFDMControlRate( 791 (void *)priv, 792 RATE_54M), 793 bb_type, 794 &byTxRate, 795 &byRsvTime); 796 VNSvOutPortW(priv->PortOffset + MAC_REG_RSPINF_A_72, 797 MAKEWORD(byTxRate, byRsvTime)); 798 /* Set to Page0 */ 799 MACvSelectPage0(priv->PortOffset); 800 801 spin_unlock_irqrestore(&priv->lock, flags); 802 } 803 804 void CARDvUpdateBasicTopRate(struct vnt_private *priv) 805 { 806 unsigned char byTopOFDM = RATE_24M, byTopCCK = RATE_1M; 807 unsigned char ii; 808 809 /* Determines the highest basic rate. */ 810 for (ii = RATE_54M; ii >= RATE_6M; ii--) { 811 if ((priv->basic_rates) & ((u32)(1 << ii))) { 812 byTopOFDM = ii; 813 break; 814 } 815 } 816 priv->byTopOFDMBasicRate = byTopOFDM; 817 818 for (ii = RATE_11M;; ii--) { 819 if ((priv->basic_rates) & ((u32)(1 << ii))) { 820 byTopCCK = ii; 821 break; 822 } 823 if (ii == RATE_1M) 824 break; 825 } 826 priv->byTopCCKBasicRate = byTopCCK; 827 } 828 829 bool CARDbIsOFDMinBasicRate(struct vnt_private *priv) 830 { 831 int ii; 832 833 for (ii = RATE_54M; ii >= RATE_6M; ii--) { 834 if ((priv->basic_rates) & ((u32)BIT(ii))) 835 return true; 836 } 837 return false; 838 } 839 840 unsigned char CARDbyGetPktType(struct vnt_private *priv) 841 { 842 if (priv->byBBType == BB_TYPE_11A || priv->byBBType == BB_TYPE_11B) 843 return (unsigned char)priv->byBBType; 844 else if (CARDbIsOFDMinBasicRate((void *)priv)) 845 return PK_TYPE_11GA; 846 else 847 return PK_TYPE_11GB; 848 } 849 850 /* 851 * Description: Set NIC Loopback mode 852 * 853 * Parameters: 854 * In: 855 * priv - The adapter to be set 856 * wLoopbackMode - Loopback mode to be set 857 * Out: 858 * none 859 * 860 * Return Value: none 861 */ 862 void CARDvSetLoopbackMode(struct vnt_private *priv, 863 unsigned short wLoopbackMode) 864 { 865 switch (wLoopbackMode) { 866 case CARD_LB_NONE: 867 case CARD_LB_MAC: 868 case CARD_LB_PHY: 869 break; 870 default: 871 break; 872 } 873 /* set MAC loopback */ 874 MACvSetLoopbackMode(priv, LOBYTE(wLoopbackMode)); 875 /* set Baseband loopback */ 876 } 877 878 /* 879 * Description: Software Reset NIC 880 * 881 * Parameters: 882 * In: 883 * priv - The adapter to be reset 884 * Out: 885 * none 886 * 887 * Return Value: none 888 */ 889 bool CARDbSoftwareReset(struct vnt_private *priv) 890 { 891 /* reset MAC */ 892 if (!MACbSafeSoftwareReset(priv)) 893 return false; 894 895 return true; 896 } 897 898 /* 899 * Description: Calculate TSF offset of two TSF input 900 * Get TSF Offset from RxBCN's TSF and local TSF 901 * 902 * Parameters: 903 * In: 904 * priv - The adapter to be sync. 905 * qwTSF1 - Rx BCN's TSF 906 * qwTSF2 - Local TSF 907 * Out: 908 * none 909 * 910 * Return Value: TSF Offset value 911 */ 912 u64 CARDqGetTSFOffset(unsigned char byRxRate, u64 qwTSF1, u64 qwTSF2) 913 { 914 u64 qwTSFOffset = 0; 915 unsigned short wRxBcnTSFOffst; 916 917 wRxBcnTSFOffst = cwRXBCNTSFOff[byRxRate%MAX_RATE]; 918 919 qwTSF2 += (u64)wRxBcnTSFOffst; 920 921 qwTSFOffset = qwTSF1 - qwTSF2; 922 923 return qwTSFOffset; 924 } 925 926 /* 927 * Description: Read NIC TSF counter 928 * Get local TSF counter 929 * 930 * Parameters: 931 * In: 932 * priv - The adapter to be read 933 * Out: 934 * qwCurrTSF - Current TSF counter 935 * 936 * Return Value: true if success; otherwise false 937 */ 938 bool CARDbGetCurrentTSF(struct vnt_private *priv, u64 *pqwCurrTSF) 939 { 940 void __iomem *iobase = priv->PortOffset; 941 unsigned short ww; 942 unsigned char byData; 943 944 MACvRegBitsOn(iobase, MAC_REG_TFTCTL, TFTCTL_TSFCNTRRD); 945 for (ww = 0; ww < W_MAX_TIMEOUT; ww++) { 946 VNSvInPortB(iobase + MAC_REG_TFTCTL, &byData); 947 if (!(byData & TFTCTL_TSFCNTRRD)) 948 break; 949 } 950 if (ww == W_MAX_TIMEOUT) 951 return false; 952 VNSvInPortD(iobase + MAC_REG_TSFCNTR, (u32 *)pqwCurrTSF); 953 VNSvInPortD(iobase + MAC_REG_TSFCNTR + 4, (u32 *)pqwCurrTSF + 1); 954 955 return true; 956 } 957 958 /* 959 * Description: Read NIC TSF counter 960 * Get NEXTTBTT from adjusted TSF and Beacon Interval 961 * 962 * Parameters: 963 * In: 964 * qwTSF - Current TSF counter 965 * wbeaconInterval - Beacon Interval 966 * Out: 967 * qwCurrTSF - Current TSF counter 968 * 969 * Return Value: TSF value of next Beacon 970 */ 971 u64 CARDqGetNextTBTT(u64 qwTSF, unsigned short wBeaconInterval) 972 { 973 u32 beacon_int; 974 975 beacon_int = wBeaconInterval * 1024; 976 if (beacon_int) { 977 do_div(qwTSF, beacon_int); 978 qwTSF += 1; 979 qwTSF *= beacon_int; 980 } 981 982 return qwTSF; 983 } 984 985 /* 986 * Description: Set NIC TSF counter for first Beacon time 987 * Get NEXTTBTT from adjusted TSF and Beacon Interval 988 * 989 * Parameters: 990 * In: 991 * iobase - IO Base 992 * wBeaconInterval - Beacon Interval 993 * Out: 994 * none 995 * 996 * Return Value: none 997 */ 998 void CARDvSetFirstNextTBTT(struct vnt_private *priv, 999 unsigned short wBeaconInterval) 1000 { 1001 void __iomem *iobase = priv->PortOffset; 1002 u64 qwNextTBTT = 0; 1003 1004 CARDbGetCurrentTSF(priv, &qwNextTBTT); /* Get Local TSF counter */ 1005 1006 qwNextTBTT = CARDqGetNextTBTT(qwNextTBTT, wBeaconInterval); 1007 /* Set NextTBTT */ 1008 VNSvOutPortD(iobase + MAC_REG_NEXTTBTT, (u32)qwNextTBTT); 1009 VNSvOutPortD(iobase + MAC_REG_NEXTTBTT + 4, (u32)(qwNextTBTT >> 32)); 1010 MACvRegBitsOn(iobase, MAC_REG_TFTCTL, TFTCTL_TBTTSYNCEN); 1011 } 1012 1013 /* 1014 * Description: Sync NIC TSF counter for Beacon time 1015 * Get NEXTTBTT and write to HW 1016 * 1017 * Parameters: 1018 * In: 1019 * priv - The adapter to be set 1020 * qwTSF - Current TSF counter 1021 * wBeaconInterval - Beacon Interval 1022 * Out: 1023 * none 1024 * 1025 * Return Value: none 1026 */ 1027 void CARDvUpdateNextTBTT(struct vnt_private *priv, u64 qwTSF, 1028 unsigned short wBeaconInterval) 1029 { 1030 void __iomem *iobase = priv->PortOffset; 1031 1032 qwTSF = CARDqGetNextTBTT(qwTSF, wBeaconInterval); 1033 /* Set NextTBTT */ 1034 VNSvOutPortD(iobase + MAC_REG_NEXTTBTT, (u32)qwTSF); 1035 VNSvOutPortD(iobase + MAC_REG_NEXTTBTT + 4, (u32)(qwTSF >> 32)); 1036 MACvRegBitsOn(iobase, MAC_REG_TFTCTL, TFTCTL_TBTTSYNCEN); 1037 pr_debug("Card:Update Next TBTT[%8llx]\n", qwTSF); 1038 } 1039