ar2413.c revision 185406
1/* 2 * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting 3 * Copyright (c) 2002-2008 Atheros Communications, Inc. 4 * 5 * Permission to use, copy, modify, and/or distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 * 17 * $Id: ar2413.c,v 1.8 2008/11/15 22:15:46 sam Exp $ 18 */ 19#include "opt_ah.h" 20 21#include "ah.h" 22#include "ah_internal.h" 23 24#include "ar5212/ar5212.h" 25#include "ar5212/ar5212reg.h" 26#include "ar5212/ar5212phy.h" 27 28#include "ah_eeprom_v3.h" 29 30#define AH_5212_2413 31#include "ar5212/ar5212.ini" 32 33#define N(a) (sizeof(a)/sizeof(a[0])) 34 35struct ar2413State { 36 RF_HAL_FUNCS base; /* public state, must be first */ 37 uint16_t pcdacTable[PWR_TABLE_SIZE_2413]; 38 39 uint32_t Bank1Data[N(ar5212Bank1_2413)]; 40 uint32_t Bank2Data[N(ar5212Bank2_2413)]; 41 uint32_t Bank3Data[N(ar5212Bank3_2413)]; 42 uint32_t Bank6Data[N(ar5212Bank6_2413)]; 43 uint32_t Bank7Data[N(ar5212Bank7_2413)]; 44 45 /* 46 * Private state for reduced stack usage. 47 */ 48 /* filled out Vpd table for all pdGains (chanL) */ 49 uint16_t vpdTable_L[MAX_NUM_PDGAINS_PER_CHANNEL] 50 [MAX_PWR_RANGE_IN_HALF_DB]; 51 /* filled out Vpd table for all pdGains (chanR) */ 52 uint16_t vpdTable_R[MAX_NUM_PDGAINS_PER_CHANNEL] 53 [MAX_PWR_RANGE_IN_HALF_DB]; 54 /* filled out Vpd table for all pdGains (interpolated) */ 55 uint16_t vpdTable_I[MAX_NUM_PDGAINS_PER_CHANNEL] 56 [MAX_PWR_RANGE_IN_HALF_DB]; 57}; 58#define AR2413(ah) ((struct ar2413State *) AH5212(ah)->ah_rfHal) 59 60extern void ar5212ModifyRfBuffer(uint32_t *rfBuf, uint32_t reg32, 61 uint32_t numBits, uint32_t firstBit, uint32_t column); 62 63static void 64ar2413WriteRegs(struct ath_hal *ah, u_int modesIndex, u_int freqIndex, 65 int writes) 66{ 67 HAL_INI_WRITE_ARRAY(ah, ar5212Modes_2413, modesIndex, writes); 68 HAL_INI_WRITE_ARRAY(ah, ar5212Common_2413, 1, writes); 69 HAL_INI_WRITE_ARRAY(ah, ar5212BB_RfGain_2413, freqIndex, writes); 70} 71 72/* 73 * Take the MHz channel value and set the Channel value 74 * 75 * ASSUMES: Writes enabled to analog bus 76 */ 77static HAL_BOOL 78ar2413SetChannel(struct ath_hal *ah, HAL_CHANNEL_INTERNAL *chan) 79{ 80 uint32_t channelSel = 0; 81 uint32_t bModeSynth = 0; 82 uint32_t aModeRefSel = 0; 83 uint32_t reg32 = 0; 84 uint16_t freq; 85 86 OS_MARK(ah, AH_MARK_SETCHANNEL, chan->channel); 87 88 if (chan->channel < 4800) { 89 uint32_t txctl; 90 91 if (((chan->channel - 2192) % 5) == 0) { 92 channelSel = ((chan->channel - 672) * 2 - 3040)/10; 93 bModeSynth = 0; 94 } else if (((chan->channel - 2224) % 5) == 0) { 95 channelSel = ((chan->channel - 704) * 2 - 3040) / 10; 96 bModeSynth = 1; 97 } else { 98 HALDEBUG(ah, HAL_DEBUG_ANY, 99 "%s: invalid channel %u MHz\n", 100 __func__, chan->channel); 101 return AH_FALSE; 102 } 103 104 channelSel = (channelSel << 2) & 0xff; 105 channelSel = ath_hal_reverseBits(channelSel, 8); 106 107 txctl = OS_REG_READ(ah, AR_PHY_CCK_TX_CTRL); 108 if (chan->channel == 2484) { 109 /* Enable channel spreading for channel 14 */ 110 OS_REG_WRITE(ah, AR_PHY_CCK_TX_CTRL, 111 txctl | AR_PHY_CCK_TX_CTRL_JAPAN); 112 } else { 113 OS_REG_WRITE(ah, AR_PHY_CCK_TX_CTRL, 114 txctl &~ AR_PHY_CCK_TX_CTRL_JAPAN); 115 } 116 } else if (((chan->channel % 5) == 2) && (chan->channel <= 5435)) { 117 freq = chan->channel - 2; /* Align to even 5MHz raster */ 118 channelSel = ath_hal_reverseBits( 119 (uint32_t)(((freq - 4800)*10)/25 + 1), 8); 120 aModeRefSel = ath_hal_reverseBits(0, 2); 121 } else if ((chan->channel % 20) == 0 && chan->channel >= 5120) { 122 channelSel = ath_hal_reverseBits( 123 ((chan->channel - 4800) / 20 << 2), 8); 124 aModeRefSel = ath_hal_reverseBits(3, 2); 125 } else if ((chan->channel % 10) == 0) { 126 channelSel = ath_hal_reverseBits( 127 ((chan->channel - 4800) / 10 << 1), 8); 128 aModeRefSel = ath_hal_reverseBits(2, 2); 129 } else if ((chan->channel % 5) == 0) { 130 channelSel = ath_hal_reverseBits( 131 (chan->channel - 4800) / 5, 8); 132 aModeRefSel = ath_hal_reverseBits(1, 2); 133 } else { 134 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid channel %u MHz\n", 135 __func__, chan->channel); 136 return AH_FALSE; 137 } 138 139 reg32 = (channelSel << 4) | (aModeRefSel << 2) | (bModeSynth << 1) | 140 (1 << 12) | 0x1; 141 OS_REG_WRITE(ah, AR_PHY(0x27), reg32 & 0xff); 142 143 reg32 >>= 8; 144 OS_REG_WRITE(ah, AR_PHY(0x36), reg32 & 0x7f); 145 146 AH_PRIVATE(ah)->ah_curchan = chan; 147 148 return AH_TRUE; 149} 150 151/* 152 * Reads EEPROM header info from device structure and programs 153 * all rf registers 154 * 155 * REQUIRES: Access to the analog rf device 156 */ 157static HAL_BOOL 158ar2413SetRfRegs(struct ath_hal *ah, HAL_CHANNEL_INTERNAL *chan, uint16_t modesIndex, uint16_t *rfXpdGain) 159{ 160#define RF_BANK_SETUP(_priv, _ix, _col) do { \ 161 int i; \ 162 for (i = 0; i < N(ar5212Bank##_ix##_2413); i++) \ 163 (_priv)->Bank##_ix##Data[i] = ar5212Bank##_ix##_2413[i][_col];\ 164} while (0) 165 struct ath_hal_5212 *ahp = AH5212(ah); 166 const HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom; 167 uint16_t ob2GHz = 0, db2GHz = 0; 168 struct ar2413State *priv = AR2413(ah); 169 int regWrites = 0; 170 171 HALDEBUG(ah, HAL_DEBUG_RFPARAM, 172 "%s: chan 0x%x flag 0x%x modesIndex 0x%x\n", 173 __func__, chan->channel, chan->channelFlags, modesIndex); 174 175 HALASSERT(priv); 176 177 /* Setup rf parameters */ 178 switch (chan->channelFlags & CHANNEL_ALL) { 179 case CHANNEL_B: 180 ob2GHz = ee->ee_obFor24; 181 db2GHz = ee->ee_dbFor24; 182 break; 183 case CHANNEL_G: 184 case CHANNEL_108G: 185 ob2GHz = ee->ee_obFor24g; 186 db2GHz = ee->ee_dbFor24g; 187 break; 188 default: 189 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid channel flags 0x%x\n", 190 __func__, chan->channelFlags); 191 return AH_FALSE; 192 } 193 194 /* Bank 1 Write */ 195 RF_BANK_SETUP(priv, 1, 1); 196 197 /* Bank 2 Write */ 198 RF_BANK_SETUP(priv, 2, modesIndex); 199 200 /* Bank 3 Write */ 201 RF_BANK_SETUP(priv, 3, modesIndex); 202 203 /* Bank 6 Write */ 204 RF_BANK_SETUP(priv, 6, modesIndex); 205 206 ar5212ModifyRfBuffer(priv->Bank6Data, ob2GHz, 3, 168, 0); 207 ar5212ModifyRfBuffer(priv->Bank6Data, db2GHz, 3, 165, 0); 208 209 /* Bank 7 Setup */ 210 RF_BANK_SETUP(priv, 7, modesIndex); 211 212 /* Write Analog registers */ 213 HAL_INI_WRITE_BANK(ah, ar5212Bank1_2413, priv->Bank1Data, regWrites); 214 HAL_INI_WRITE_BANK(ah, ar5212Bank2_2413, priv->Bank2Data, regWrites); 215 HAL_INI_WRITE_BANK(ah, ar5212Bank3_2413, priv->Bank3Data, regWrites); 216 HAL_INI_WRITE_BANK(ah, ar5212Bank6_2413, priv->Bank6Data, regWrites); 217 HAL_INI_WRITE_BANK(ah, ar5212Bank7_2413, priv->Bank7Data, regWrites); 218 219 /* Now that we have reprogrammed rfgain value, clear the flag. */ 220 ahp->ah_rfgainState = HAL_RFGAIN_INACTIVE; 221 222 return AH_TRUE; 223#undef RF_BANK_SETUP 224} 225 226/* 227 * Return a reference to the requested RF Bank. 228 */ 229static uint32_t * 230ar2413GetRfBank(struct ath_hal *ah, int bank) 231{ 232 struct ar2413State *priv = AR2413(ah); 233 234 HALASSERT(priv != AH_NULL); 235 switch (bank) { 236 case 1: return priv->Bank1Data; 237 case 2: return priv->Bank2Data; 238 case 3: return priv->Bank3Data; 239 case 6: return priv->Bank6Data; 240 case 7: return priv->Bank7Data; 241 } 242 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: unknown RF Bank %d requested\n", 243 __func__, bank); 244 return AH_NULL; 245} 246 247/* 248 * Return indices surrounding the value in sorted integer lists. 249 * 250 * NB: the input list is assumed to be sorted in ascending order 251 */ 252static void 253GetLowerUpperIndex(int16_t v, const uint16_t *lp, uint16_t listSize, 254 uint32_t *vlo, uint32_t *vhi) 255{ 256 int16_t target = v; 257 const uint16_t *ep = lp+listSize; 258 const uint16_t *tp; 259 260 /* 261 * Check first and last elements for out-of-bounds conditions. 262 */ 263 if (target < lp[0]) { 264 *vlo = *vhi = 0; 265 return; 266 } 267 if (target >= ep[-1]) { 268 *vlo = *vhi = listSize - 1; 269 return; 270 } 271 272 /* look for value being near or between 2 values in list */ 273 for (tp = lp; tp < ep; tp++) { 274 /* 275 * If value is close to the current value of the list 276 * then target is not between values, it is one of the values 277 */ 278 if (*tp == target) { 279 *vlo = *vhi = tp - (const uint16_t *) lp; 280 return; 281 } 282 /* 283 * Look for value being between current value and next value 284 * if so return these 2 values 285 */ 286 if (target < tp[1]) { 287 *vlo = tp - (const uint16_t *) lp; 288 *vhi = *vlo + 1; 289 return; 290 } 291 } 292} 293 294/* 295 * Fill the Vpdlist for indices Pmax-Pmin 296 */ 297static HAL_BOOL 298ar2413FillVpdTable(uint32_t pdGainIdx, int16_t Pmin, int16_t Pmax, 299 const int16_t *pwrList, const uint16_t *VpdList, 300 uint16_t numIntercepts, uint16_t retVpdList[][64]) 301{ 302 uint16_t ii, jj, kk; 303 int16_t currPwr = (int16_t)(2*Pmin); 304 /* since Pmin is pwr*2 and pwrList is 4*pwr */ 305 uint32_t idxL, idxR; 306 307 ii = 0; 308 jj = 0; 309 310 if (numIntercepts < 2) 311 return AH_FALSE; 312 313 while (ii <= (uint16_t)(Pmax - Pmin)) { 314 GetLowerUpperIndex(currPwr, (const uint16_t *) pwrList, 315 numIntercepts, &(idxL), &(idxR)); 316 if (idxR < 1) 317 idxR = 1; /* extrapolate below */ 318 if (idxL == (uint32_t)(numIntercepts - 1)) 319 idxL = numIntercepts - 2; /* extrapolate above */ 320 if (pwrList[idxL] == pwrList[idxR]) 321 kk = VpdList[idxL]; 322 else 323 kk = (uint16_t) 324 (((currPwr - pwrList[idxL])*VpdList[idxR]+ 325 (pwrList[idxR] - currPwr)*VpdList[idxL])/ 326 (pwrList[idxR] - pwrList[idxL])); 327 retVpdList[pdGainIdx][ii] = kk; 328 ii++; 329 currPwr += 2; /* half dB steps */ 330 } 331 332 return AH_TRUE; 333} 334 335/* 336 * Returns interpolated or the scaled up interpolated value 337 */ 338static int16_t 339interpolate_signed(uint16_t target, uint16_t srcLeft, uint16_t srcRight, 340 int16_t targetLeft, int16_t targetRight) 341{ 342 int16_t rv; 343 344 if (srcRight != srcLeft) { 345 rv = ((target - srcLeft)*targetRight + 346 (srcRight - target)*targetLeft) / (srcRight - srcLeft); 347 } else { 348 rv = targetLeft; 349 } 350 return rv; 351} 352 353/* 354 * Uses the data points read from EEPROM to reconstruct the pdadc power table 355 * Called by ar2413SetPowerTable() 356 */ 357static int 358ar2413getGainBoundariesAndPdadcsForPowers(struct ath_hal *ah, uint16_t channel, 359 const RAW_DATA_STRUCT_2413 *pRawDataset, 360 uint16_t pdGainOverlap_t2, 361 int16_t *pMinCalPower, uint16_t pPdGainBoundaries[], 362 uint16_t pPdGainValues[], uint16_t pPDADCValues[]) 363{ 364 struct ar2413State *priv = AR2413(ah); 365#define VpdTable_L priv->vpdTable_L 366#define VpdTable_R priv->vpdTable_R 367#define VpdTable_I priv->vpdTable_I 368 uint32_t ii, jj, kk; 369 int32_t ss;/* potentially -ve index for taking care of pdGainOverlap */ 370 uint32_t idxL, idxR; 371 uint32_t numPdGainsUsed = 0; 372 /* 373 * If desired to support -ve power levels in future, just 374 * change pwr_I_0 to signed 5-bits. 375 */ 376 int16_t Pmin_t2[MAX_NUM_PDGAINS_PER_CHANNEL]; 377 /* to accomodate -ve power levels later on. */ 378 int16_t Pmax_t2[MAX_NUM_PDGAINS_PER_CHANNEL]; 379 /* to accomodate -ve power levels later on */ 380 uint16_t numVpd = 0; 381 uint16_t Vpd_step; 382 int16_t tmpVal ; 383 uint32_t sizeCurrVpdTable, maxIndex, tgtIndex; 384 385 /* Get upper lower index */ 386 GetLowerUpperIndex(channel, pRawDataset->pChannels, 387 pRawDataset->numChannels, &(idxL), &(idxR)); 388 389 for (ii = 0; ii < MAX_NUM_PDGAINS_PER_CHANNEL; ii++) { 390 jj = MAX_NUM_PDGAINS_PER_CHANNEL - ii - 1; 391 /* work backwards 'cause highest pdGain for lowest power */ 392 numVpd = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].numVpd; 393 if (numVpd > 0) { 394 pPdGainValues[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pd_gain; 395 Pmin_t2[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pwr_t4[0]; 396 if (Pmin_t2[numPdGainsUsed] >pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[0]) { 397 Pmin_t2[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[0]; 398 } 399 Pmin_t2[numPdGainsUsed] = (int16_t) 400 (Pmin_t2[numPdGainsUsed] / 2); 401 Pmax_t2[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pwr_t4[numVpd-1]; 402 if (Pmax_t2[numPdGainsUsed] > pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[numVpd-1]) 403 Pmax_t2[numPdGainsUsed] = 404 pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[numVpd-1]; 405 Pmax_t2[numPdGainsUsed] = (int16_t)(Pmax_t2[numPdGainsUsed] / 2); 406 ar2413FillVpdTable( 407 numPdGainsUsed, Pmin_t2[numPdGainsUsed], Pmax_t2[numPdGainsUsed], 408 &(pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pwr_t4[0]), 409 &(pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].Vpd[0]), numVpd, VpdTable_L 410 ); 411 ar2413FillVpdTable( 412 numPdGainsUsed, Pmin_t2[numPdGainsUsed], Pmax_t2[numPdGainsUsed], 413 &(pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[0]), 414 &(pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].Vpd[0]), numVpd, VpdTable_R 415 ); 416 for (kk = 0; kk < (uint16_t)(Pmax_t2[numPdGainsUsed] - Pmin_t2[numPdGainsUsed]); kk++) { 417 VpdTable_I[numPdGainsUsed][kk] = 418 interpolate_signed( 419 channel, pRawDataset->pChannels[idxL], pRawDataset->pChannels[idxR], 420 (int16_t)VpdTable_L[numPdGainsUsed][kk], (int16_t)VpdTable_R[numPdGainsUsed][kk]); 421 } 422 /* fill VpdTable_I for this pdGain */ 423 numPdGainsUsed++; 424 } 425 /* if this pdGain is used */ 426 } 427 428 *pMinCalPower = Pmin_t2[0]; 429 kk = 0; /* index for the final table */ 430 for (ii = 0; ii < numPdGainsUsed; ii++) { 431 if (ii == (numPdGainsUsed - 1)) 432 pPdGainBoundaries[ii] = Pmax_t2[ii] + 433 PD_GAIN_BOUNDARY_STRETCH_IN_HALF_DB; 434 else 435 pPdGainBoundaries[ii] = (uint16_t) 436 ((Pmax_t2[ii] + Pmin_t2[ii+1]) / 2 ); 437 if (pPdGainBoundaries[ii] > 63) { 438 HALDEBUG(ah, HAL_DEBUG_ANY, 439 "%s: clamp pPdGainBoundaries[%d] %d\n", 440 __func__, ii, pPdGainBoundaries[ii]);/*XXX*/ 441 pPdGainBoundaries[ii] = 63; 442 } 443 444 /* Find starting index for this pdGain */ 445 if (ii == 0) 446 ss = 0; /* for the first pdGain, start from index 0 */ 447 else 448 ss = (pPdGainBoundaries[ii-1] - Pmin_t2[ii]) - 449 pdGainOverlap_t2; 450 Vpd_step = (uint16_t)(VpdTable_I[ii][1] - VpdTable_I[ii][0]); 451 Vpd_step = (uint16_t)((Vpd_step < 1) ? 1 : Vpd_step); 452 /* 453 *-ve ss indicates need to extrapolate data below for this pdGain 454 */ 455 while (ss < 0) { 456 tmpVal = (int16_t)(VpdTable_I[ii][0] + ss*Vpd_step); 457 pPDADCValues[kk++] = (uint16_t)((tmpVal < 0) ? 0 : tmpVal); 458 ss++; 459 } 460 461 sizeCurrVpdTable = Pmax_t2[ii] - Pmin_t2[ii]; 462 tgtIndex = pPdGainBoundaries[ii] + pdGainOverlap_t2 - Pmin_t2[ii]; 463 maxIndex = (tgtIndex < sizeCurrVpdTable) ? tgtIndex : sizeCurrVpdTable; 464 465 while (ss < (int16_t)maxIndex) 466 pPDADCValues[kk++] = VpdTable_I[ii][ss++]; 467 468 Vpd_step = (uint16_t)(VpdTable_I[ii][sizeCurrVpdTable-1] - 469 VpdTable_I[ii][sizeCurrVpdTable-2]); 470 Vpd_step = (uint16_t)((Vpd_step < 1) ? 1 : Vpd_step); 471 /* 472 * for last gain, pdGainBoundary == Pmax_t2, so will 473 * have to extrapolate 474 */ 475 if (tgtIndex > maxIndex) { /* need to extrapolate above */ 476 while(ss < (int16_t)tgtIndex) { 477 tmpVal = (uint16_t) 478 (VpdTable_I[ii][sizeCurrVpdTable-1] + 479 (ss-maxIndex)*Vpd_step); 480 pPDADCValues[kk++] = (tmpVal > 127) ? 481 127 : tmpVal; 482 ss++; 483 } 484 } /* extrapolated above */ 485 } /* for all pdGainUsed */ 486 487 while (ii < MAX_NUM_PDGAINS_PER_CHANNEL) { 488 pPdGainBoundaries[ii] = pPdGainBoundaries[ii-1]; 489 ii++; 490 } 491 while (kk < 128) { 492 pPDADCValues[kk] = pPDADCValues[kk-1]; 493 kk++; 494 } 495 496 return numPdGainsUsed; 497#undef VpdTable_L 498#undef VpdTable_R 499#undef VpdTable_I 500} 501 502static HAL_BOOL 503ar2413SetPowerTable(struct ath_hal *ah, 504 int16_t *minPower, int16_t *maxPower, HAL_CHANNEL_INTERNAL *chan, 505 uint16_t *rfXpdGain) 506{ 507 struct ath_hal_5212 *ahp = AH5212(ah); 508 const HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom; 509 const RAW_DATA_STRUCT_2413 *pRawDataset = AH_NULL; 510 uint16_t pdGainOverlap_t2; 511 int16_t minCalPower2413_t2; 512 uint16_t *pdadcValues = ahp->ah_pcdacTable; 513 uint16_t gainBoundaries[4]; 514 uint32_t reg32, regoffset; 515 int i, numPdGainsUsed; 516#ifndef AH_USE_INIPDGAIN 517 uint32_t tpcrg1; 518#endif 519 520 HALDEBUG(ah, HAL_DEBUG_RFPARAM, "%s: chan 0x%x flag 0x%x\n", 521 __func__, chan->channel,chan->channelFlags); 522 523 if (IS_CHAN_G(chan) || IS_CHAN_108G(chan)) 524 pRawDataset = &ee->ee_rawDataset2413[headerInfo11G]; 525 else if (IS_CHAN_B(chan)) 526 pRawDataset = &ee->ee_rawDataset2413[headerInfo11B]; 527 else { 528 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: illegal mode\n", __func__); 529 return AH_FALSE; 530 } 531 532 pdGainOverlap_t2 = (uint16_t) SM(OS_REG_READ(ah, AR_PHY_TPCRG5), 533 AR_PHY_TPCRG5_PD_GAIN_OVERLAP); 534 535 numPdGainsUsed = ar2413getGainBoundariesAndPdadcsForPowers(ah, 536 chan->channel, pRawDataset, pdGainOverlap_t2, 537 &minCalPower2413_t2,gainBoundaries, rfXpdGain, pdadcValues); 538 HALASSERT(1 <= numPdGainsUsed && numPdGainsUsed <= 3); 539 540#ifdef AH_USE_INIPDGAIN 541 /* 542 * Use pd_gains curve from eeprom; Atheros always uses 543 * the default curve from the ini file but some vendors 544 * (e.g. Zcomax) want to override this curve and not 545 * honoring their settings results in tx power 5dBm low. 546 */ 547 OS_REG_RMW_FIELD(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_NUM_PD_GAIN, 548 (pRawDataset->pDataPerChannel[0].numPdGains - 1)); 549#else 550 tpcrg1 = OS_REG_READ(ah, AR_PHY_TPCRG1); 551 tpcrg1 = (tpcrg1 &~ AR_PHY_TPCRG1_NUM_PD_GAIN) 552 | SM(numPdGainsUsed-1, AR_PHY_TPCRG1_NUM_PD_GAIN); 553 switch (numPdGainsUsed) { 554 case 3: 555 tpcrg1 &= ~AR_PHY_TPCRG1_PDGAIN_SETTING3; 556 tpcrg1 |= SM(rfXpdGain[2], AR_PHY_TPCRG1_PDGAIN_SETTING3); 557 /* fall thru... */ 558 case 2: 559 tpcrg1 &= ~AR_PHY_TPCRG1_PDGAIN_SETTING2; 560 tpcrg1 |= SM(rfXpdGain[1], AR_PHY_TPCRG1_PDGAIN_SETTING2); 561 /* fall thru... */ 562 case 1: 563 tpcrg1 &= ~AR_PHY_TPCRG1_PDGAIN_SETTING1; 564 tpcrg1 |= SM(rfXpdGain[0], AR_PHY_TPCRG1_PDGAIN_SETTING1); 565 break; 566 } 567#ifdef AH_DEBUG 568 if (tpcrg1 != OS_REG_READ(ah, AR_PHY_TPCRG1)) 569 HALDEBUG(ah, HAL_DEBUG_RFPARAM, "%s: using non-default " 570 "pd_gains (default 0x%x, calculated 0x%x)\n", 571 __func__, OS_REG_READ(ah, AR_PHY_TPCRG1), tpcrg1); 572#endif 573 OS_REG_WRITE(ah, AR_PHY_TPCRG1, tpcrg1); 574#endif 575 576 /* 577 * Note the pdadc table may not start at 0 dBm power, could be 578 * negative or greater than 0. Need to offset the power 579 * values by the amount of minPower for griffin 580 */ 581 if (minCalPower2413_t2 != 0) 582 ahp->ah_txPowerIndexOffset = (int16_t)(0 - minCalPower2413_t2); 583 else 584 ahp->ah_txPowerIndexOffset = 0; 585 586 /* Finally, write the power values into the baseband power table */ 587 regoffset = 0x9800 + (672 <<2); /* beginning of pdadc table in griffin */ 588 for (i = 0; i < 32; i++) { 589 reg32 = ((pdadcValues[4*i + 0] & 0xFF) << 0) | 590 ((pdadcValues[4*i + 1] & 0xFF) << 8) | 591 ((pdadcValues[4*i + 2] & 0xFF) << 16) | 592 ((pdadcValues[4*i + 3] & 0xFF) << 24) ; 593 OS_REG_WRITE(ah, regoffset, reg32); 594 regoffset += 4; 595 } 596 597 OS_REG_WRITE(ah, AR_PHY_TPCRG5, 598 SM(pdGainOverlap_t2, AR_PHY_TPCRG5_PD_GAIN_OVERLAP) | 599 SM(gainBoundaries[0], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_1) | 600 SM(gainBoundaries[1], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_2) | 601 SM(gainBoundaries[2], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_3) | 602 SM(gainBoundaries[3], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_4)); 603 604 return AH_TRUE; 605} 606 607static int16_t 608ar2413GetMinPower(struct ath_hal *ah, const RAW_DATA_PER_CHANNEL_2413 *data) 609{ 610 uint32_t ii,jj; 611 uint16_t Pmin=0,numVpd; 612 613 for (ii = 0; ii < MAX_NUM_PDGAINS_PER_CHANNEL; ii++) { 614 jj = MAX_NUM_PDGAINS_PER_CHANNEL - ii - 1; 615 /* work backwards 'cause highest pdGain for lowest power */ 616 numVpd = data->pDataPerPDGain[jj].numVpd; 617 if (numVpd > 0) { 618 Pmin = data->pDataPerPDGain[jj].pwr_t4[0]; 619 return(Pmin); 620 } 621 } 622 return(Pmin); 623} 624 625static int16_t 626ar2413GetMaxPower(struct ath_hal *ah, const RAW_DATA_PER_CHANNEL_2413 *data) 627{ 628 uint32_t ii; 629 uint16_t Pmax=0,numVpd; 630 631 for (ii=0; ii< MAX_NUM_PDGAINS_PER_CHANNEL; ii++) { 632 /* work forwards cuase lowest pdGain for highest power */ 633 numVpd = data->pDataPerPDGain[ii].numVpd; 634 if (numVpd > 0) { 635 Pmax = data->pDataPerPDGain[ii].pwr_t4[numVpd-1]; 636 return(Pmax); 637 } 638 } 639 return(Pmax); 640} 641 642static HAL_BOOL 643ar2413GetChannelMaxMinPower(struct ath_hal *ah, HAL_CHANNEL *chan, 644 int16_t *maxPow, int16_t *minPow) 645{ 646 const HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom; 647 const RAW_DATA_STRUCT_2413 *pRawDataset = AH_NULL; 648 const RAW_DATA_PER_CHANNEL_2413 *data = AH_NULL; 649 uint16_t numChannels; 650 int totalD,totalF, totalMin,last, i; 651 652 *maxPow = 0; 653 654 if (IS_CHAN_G(chan) || IS_CHAN_108G(chan)) 655 pRawDataset = &ee->ee_rawDataset2413[headerInfo11G]; 656 else if (IS_CHAN_B(chan)) 657 pRawDataset = &ee->ee_rawDataset2413[headerInfo11B]; 658 else 659 return(AH_FALSE); 660 661 numChannels = pRawDataset->numChannels; 662 data = pRawDataset->pDataPerChannel; 663 664 /* Make sure the channel is in the range of the TP values 665 * (freq piers) 666 */ 667 if (numChannels < 1) 668 return(AH_FALSE); 669 670 if ((chan->channel < data[0].channelValue) || 671 (chan->channel > data[numChannels-1].channelValue)) { 672 if (chan->channel < data[0].channelValue) { 673 *maxPow = ar2413GetMaxPower(ah, &data[0]); 674 *minPow = ar2413GetMinPower(ah, &data[0]); 675 return(AH_TRUE); 676 } else { 677 *maxPow = ar2413GetMaxPower(ah, &data[numChannels - 1]); 678 *minPow = ar2413GetMinPower(ah, &data[numChannels - 1]); 679 return(AH_TRUE); 680 } 681 } 682 683 /* Linearly interpolate the power value now */ 684 for (last=0,i=0; (i<numChannels) && (chan->channel > data[i].channelValue); 685 last = i++); 686 totalD = data[i].channelValue - data[last].channelValue; 687 if (totalD > 0) { 688 totalF = ar2413GetMaxPower(ah, &data[i]) - ar2413GetMaxPower(ah, &data[last]); 689 *maxPow = (int8_t) ((totalF*(chan->channel-data[last].channelValue) + 690 ar2413GetMaxPower(ah, &data[last])*totalD)/totalD); 691 totalMin = ar2413GetMinPower(ah, &data[i]) - ar2413GetMinPower(ah, &data[last]); 692 *minPow = (int8_t) ((totalMin*(chan->channel-data[last].channelValue) + 693 ar2413GetMinPower(ah, &data[last])*totalD)/totalD); 694 return(AH_TRUE); 695 } else { 696 if (chan->channel == data[i].channelValue) { 697 *maxPow = ar2413GetMaxPower(ah, &data[i]); 698 *minPow = ar2413GetMinPower(ah, &data[i]); 699 return(AH_TRUE); 700 } else 701 return(AH_FALSE); 702 } 703} 704 705/* 706 * Free memory for analog bank scratch buffers 707 */ 708static void 709ar2413RfDetach(struct ath_hal *ah) 710{ 711 struct ath_hal_5212 *ahp = AH5212(ah); 712 713 HALASSERT(ahp->ah_rfHal != AH_NULL); 714 ath_hal_free(ahp->ah_rfHal); 715 ahp->ah_rfHal = AH_NULL; 716} 717 718/* 719 * Allocate memory for analog bank scratch buffers 720 * Scratch Buffer will be reinitialized every reset so no need to zero now 721 */ 722static HAL_BOOL 723ar2413RfAttach(struct ath_hal *ah, HAL_STATUS *status) 724{ 725 struct ath_hal_5212 *ahp = AH5212(ah); 726 struct ar2413State *priv; 727 728 HALASSERT(ah->ah_magic == AR5212_MAGIC); 729 730 HALASSERT(ahp->ah_rfHal == AH_NULL); 731 priv = ath_hal_malloc(sizeof(struct ar2413State)); 732 if (priv == AH_NULL) { 733 HALDEBUG(ah, HAL_DEBUG_ANY, 734 "%s: cannot allocate private state\n", __func__); 735 *status = HAL_ENOMEM; /* XXX */ 736 return AH_FALSE; 737 } 738 priv->base.rfDetach = ar2413RfDetach; 739 priv->base.writeRegs = ar2413WriteRegs; 740 priv->base.getRfBank = ar2413GetRfBank; 741 priv->base.setChannel = ar2413SetChannel; 742 priv->base.setRfRegs = ar2413SetRfRegs; 743 priv->base.setPowerTable = ar2413SetPowerTable; 744 priv->base.getChannelMaxMinPower = ar2413GetChannelMaxMinPower; 745 priv->base.getNfAdjust = ar5212GetNfAdjust; 746 747 ahp->ah_pcdacTable = priv->pcdacTable; 748 ahp->ah_pcdacTableSize = sizeof(priv->pcdacTable); 749 ahp->ah_rfHal = &priv->base; 750 751 return AH_TRUE; 752} 753 754static HAL_BOOL 755ar2413Probe(struct ath_hal *ah) 756{ 757 return IS_2413(ah); 758} 759AH_RF(ar2413, ar2413Probe, ar2413RfAttach); 760