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: ar2317.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_2317 31 #include "ar5212/ar5212.ini" 32 33 #define N(a) (sizeof(a)/sizeof(a[0])) 34 35 typedef RAW_DATA_STRUCT_2413 RAW_DATA_STRUCT_2317; 36 typedef RAW_DATA_PER_CHANNEL_2413 RAW_DATA_PER_CHANNEL_2317; 37 #define PWR_TABLE_SIZE_2317 PWR_TABLE_SIZE_2413 38 39 struct ar2317State { 40 RF_HAL_FUNCS base; /* public state, must be first */ 41 uint16_t pcdacTable[PWR_TABLE_SIZE_2317]; 42 43 uint32_t Bank1Data[N(ar5212Bank1_2317)]; 44 uint32_t Bank2Data[N(ar5212Bank2_2317)]; 45 uint32_t Bank3Data[N(ar5212Bank3_2317)]; 46 uint32_t Bank6Data[N(ar5212Bank6_2317)]; 47 uint32_t Bank7Data[N(ar5212Bank7_2317)]; 48 49 /* 50 * Private state for reduced stack usage. 51 */ 52 /* filled out Vpd table for all pdGains (chanL) */ 53 uint16_t vpdTable_L[MAX_NUM_PDGAINS_PER_CHANNEL] 54 [MAX_PWR_RANGE_IN_HALF_DB]; 55 /* filled out Vpd table for all pdGains (chanR) */ 56 uint16_t vpdTable_R[MAX_NUM_PDGAINS_PER_CHANNEL] 57 [MAX_PWR_RANGE_IN_HALF_DB]; 58 /* filled out Vpd table for all pdGains (interpolated) */ 59 uint16_t vpdTable_I[MAX_NUM_PDGAINS_PER_CHANNEL] 60 [MAX_PWR_RANGE_IN_HALF_DB]; 61 }; 62 #define AR2317(ah) ((struct ar2317State *) AH5212(ah)->ah_rfHal) 63 64 extern void ar5212ModifyRfBuffer(uint32_t *rfBuf, uint32_t reg32, 65 uint32_t numBits, uint32_t firstBit, uint32_t column); 66 67 static void 68 ar2317WriteRegs(struct ath_hal *ah, u_int modesIndex, u_int freqIndex, 69 int writes) 70 { 71 HAL_INI_WRITE_ARRAY(ah, ar5212Modes_2317, modesIndex, writes); 72 HAL_INI_WRITE_ARRAY(ah, ar5212Common_2317, 1, writes); 73 HAL_INI_WRITE_ARRAY(ah, ar5212BB_RfGain_2317, freqIndex, writes); 74 } 75 76 /* 77 * Take the MHz channel value and set the Channel value 78 * 79 * ASSUMES: Writes enabled to analog bus 80 */ 81 static HAL_BOOL 82 ar2317SetChannel(struct ath_hal *ah, HAL_CHANNEL_INTERNAL *chan) 83 { 84 uint32_t channelSel = 0; 85 uint32_t bModeSynth = 0; 86 uint32_t aModeRefSel = 0; 87 uint32_t reg32 = 0; 88 89 OS_MARK(ah, AH_MARK_SETCHANNEL, chan->channel); 90 91 if (chan->channel < 4800) { 92 uint32_t txctl; 93 channelSel = chan->channel - 2272 ; 94 channelSel = ath_hal_reverseBits(channelSel, 8); 95 96 txctl = OS_REG_READ(ah, AR_PHY_CCK_TX_CTRL); 97 if (chan->channel == 2484) { 98 /* Enable channel spreading for channel 14 */ 99 OS_REG_WRITE(ah, AR_PHY_CCK_TX_CTRL, 100 txctl | AR_PHY_CCK_TX_CTRL_JAPAN); 101 } else { 102 OS_REG_WRITE(ah, AR_PHY_CCK_TX_CTRL, 103 txctl &~ AR_PHY_CCK_TX_CTRL_JAPAN); 104 } 105 } else if ((chan->channel % 20) == 0 && chan->channel >= 5120) { 106 channelSel = ath_hal_reverseBits( 107 ((chan->channel - 4800) / 20 << 2), 8); 108 aModeRefSel = ath_hal_reverseBits(3, 2); 109 } else if ((chan->channel % 10) == 0) { 110 channelSel = ath_hal_reverseBits( 111 ((chan->channel - 4800) / 10 << 1), 8); 112 aModeRefSel = ath_hal_reverseBits(2, 2); 113 } else if ((chan->channel % 5) == 0) { 114 channelSel = ath_hal_reverseBits( 115 (chan->channel - 4800) / 5, 8); 116 aModeRefSel = ath_hal_reverseBits(1, 2); 117 } else { 118 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid channel %u MHz\n", 119 __func__, chan->channel); 120 return AH_FALSE; 121 } 122 123 reg32 = (channelSel << 4) | (aModeRefSel << 2) | (bModeSynth << 1) | 124 (1 << 12) | 0x1; 125 OS_REG_WRITE(ah, AR_PHY(0x27), reg32 & 0xff); 126 127 reg32 >>= 8; 128 OS_REG_WRITE(ah, AR_PHY(0x36), reg32 & 0x7f); 129 130 AH_PRIVATE(ah)->ah_curchan = chan; 131 return AH_TRUE; 132 } 133 134 /* 135 * Reads EEPROM header info from device structure and programs 136 * all rf registers 137 * 138 * REQUIRES: Access to the analog rf device 139 */ 140 static HAL_BOOL 141 ar2317SetRfRegs(struct ath_hal *ah, HAL_CHANNEL_INTERNAL *chan, uint16_t modesIndex, uint16_t *rfXpdGain) 142 { 143 #define RF_BANK_SETUP(_priv, _ix, _col) do { \ 144 int i; \ 145 for (i = 0; i < N(ar5212Bank##_ix##_2317); i++) \ 146 (_priv)->Bank##_ix##Data[i] = ar5212Bank##_ix##_2317[i][_col];\ 147 } while (0) 148 struct ath_hal_5212 *ahp = AH5212(ah); 149 const HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom; 150 uint16_t ob2GHz = 0, db2GHz = 0; 151 struct ar2317State *priv = AR2317(ah); 152 int regWrites = 0; 153 154 HALDEBUG(ah, HAL_DEBUG_RFPARAM, 155 "%s: chan 0x%x flag 0x%x modesIndex 0x%x\n", 156 __func__, chan->channel, chan->channelFlags, modesIndex); 157 158 HALASSERT(priv); 159 160 /* Setup rf parameters */ 161 switch (chan->channelFlags & CHANNEL_ALL) { 162 case CHANNEL_B: 163 ob2GHz = ee->ee_obFor24; 164 db2GHz = ee->ee_dbFor24; 165 break; 166 case CHANNEL_G: 167 case CHANNEL_108G: 168 ob2GHz = ee->ee_obFor24g; 169 db2GHz = ee->ee_dbFor24g; 170 break; 171 default: 172 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid channel flags 0x%x\n", 173 __func__, chan->channelFlags); 174 return AH_FALSE; 175 } 176 177 /* Bank 1 Write */ 178 RF_BANK_SETUP(priv, 1, 1); 179 180 /* Bank 2 Write */ 181 RF_BANK_SETUP(priv, 2, modesIndex); 182 183 /* Bank 3 Write */ 184 RF_BANK_SETUP(priv, 3, modesIndex); 185 186 /* Bank 6 Write */ 187 RF_BANK_SETUP(priv, 6, modesIndex); 188 189 ar5212ModifyRfBuffer(priv->Bank6Data, ob2GHz, 3, 193, 0); 190 ar5212ModifyRfBuffer(priv->Bank6Data, db2GHz, 3, 190, 0); 191 192 /* Bank 7 Setup */ 193 RF_BANK_SETUP(priv, 7, modesIndex); 194 195 /* Write Analog registers */ 196 HAL_INI_WRITE_BANK(ah, ar5212Bank1_2317, priv->Bank1Data, regWrites); 197 HAL_INI_WRITE_BANK(ah, ar5212Bank2_2317, priv->Bank2Data, regWrites); 198 HAL_INI_WRITE_BANK(ah, ar5212Bank3_2317, priv->Bank3Data, regWrites); 199 HAL_INI_WRITE_BANK(ah, ar5212Bank6_2317, priv->Bank6Data, regWrites); 200 HAL_INI_WRITE_BANK(ah, ar5212Bank7_2317, priv->Bank7Data, regWrites); 201 /* Now that we have reprogrammed rfgain value, clear the flag. */ 202 ahp->ah_rfgainState = HAL_RFGAIN_INACTIVE; 203 204 return AH_TRUE; 205 #undef RF_BANK_SETUP 206 } 207 208 /* 209 * Return a reference to the requested RF Bank. 210 */ 211 static uint32_t * 212 ar2317GetRfBank(struct ath_hal *ah, int bank) 213 { 214 struct ar2317State *priv = AR2317(ah); 215 216 HALASSERT(priv != AH_NULL); 217 switch (bank) { 218 case 1: return priv->Bank1Data; 219 case 2: return priv->Bank2Data; 220 case 3: return priv->Bank3Data; 221 case 6: return priv->Bank6Data; 222 case 7: return priv->Bank7Data; 223 } 224 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: unknown RF Bank %d requested\n", 225 __func__, bank); 226 return AH_NULL; 227 } 228 229 /* 230 * Return indices surrounding the value in sorted integer lists. 231 * 232 * NB: the input list is assumed to be sorted in ascending order 233 */ 234 static void 235 GetLowerUpperIndex(int16_t v, const uint16_t *lp, uint16_t listSize, 236 uint32_t *vlo, uint32_t *vhi) 237 { 238 int16_t target = v; 239 const int16_t *ep = lp+listSize; 240 const int16_t *tp; 241 242 /* 243 * Check first and last elements for out-of-bounds conditions. 244 */ 245 if (target < lp[0]) { 246 *vlo = *vhi = 0; 247 return; 248 } 249 if (target >= ep[-1]) { 250 *vlo = *vhi = listSize - 1; 251 return; 252 } 253 254 /* look for value being near or between 2 values in list */ 255 for (tp = lp; tp < ep; tp++) { 256 /* 257 * If value is close to the current value of the list 258 * then target is not between values, it is one of the values 259 */ 260 if (*tp == target) { 261 *vlo = *vhi = tp - (const int16_t *) lp; 262 return; 263 } 264 /* 265 * Look for value being between current value and next value 266 * if so return these 2 values 267 */ 268 if (target < tp[1]) { 269 *vlo = tp - (const int16_t *) lp; 270 *vhi = *vlo + 1; 271 return; 272 } 273 } 274 } 275 276 /* 277 * Fill the Vpdlist for indices Pmax-Pmin 278 */ 279 static HAL_BOOL 280 ar2317FillVpdTable(uint32_t pdGainIdx, int16_t Pmin, int16_t Pmax, 281 const int16_t *pwrList, const int16_t *VpdList, 282 uint16_t numIntercepts, uint16_t retVpdList[][64]) 283 { 284 uint16_t ii, jj, kk; 285 int16_t currPwr = (int16_t)(2*Pmin); 286 /* since Pmin is pwr*2 and pwrList is 4*pwr */ 287 uint32_t idxL, idxR; 288 289 ii = 0; 290 jj = 0; 291 292 if (numIntercepts < 2) 293 return AH_FALSE; 294 295 while (ii <= (uint16_t)(Pmax - Pmin)) { 296 GetLowerUpperIndex(currPwr, pwrList, numIntercepts, 297 &(idxL), &(idxR)); 298 if (idxR < 1) 299 idxR = 1; /* extrapolate below */ 300 if (idxL == (uint32_t)(numIntercepts - 1)) 301 idxL = numIntercepts - 2; /* extrapolate above */ 302 if (pwrList[idxL] == pwrList[idxR]) 303 kk = VpdList[idxL]; 304 else 305 kk = (uint16_t) 306 (((currPwr - pwrList[idxL])*VpdList[idxR]+ 307 (pwrList[idxR] - currPwr)*VpdList[idxL])/ 308 (pwrList[idxR] - pwrList[idxL])); 309 retVpdList[pdGainIdx][ii] = kk; 310 ii++; 311 currPwr += 2; /* half dB steps */ 312 } 313 314 return AH_TRUE; 315 } 316 317 /* 318 * Returns interpolated or the scaled up interpolated value 319 */ 320 static int16_t 321 interpolate_signed(uint16_t target, uint16_t srcLeft, uint16_t srcRight, 322 int16_t targetLeft, int16_t targetRight) 323 { 324 int16_t rv; 325 326 if (srcRight != srcLeft) { 327 rv = ((target - srcLeft)*targetRight + 328 (srcRight - target)*targetLeft) / (srcRight - srcLeft); 329 } else { 330 rv = targetLeft; 331 } 332 return rv; 333 } 334 335 /* 336 * Uses the data points read from EEPROM to reconstruct the pdadc power table 337 * Called by ar2317SetPowerTable() 338 */ 339 static int 340 ar2317getGainBoundariesAndPdadcsForPowers(struct ath_hal *ah, uint16_t channel, 341 const RAW_DATA_STRUCT_2317 *pRawDataset, 342 uint16_t pdGainOverlap_t2, 343 int16_t *pMinCalPower, uint16_t pPdGainBoundaries[], 344 uint16_t pPdGainValues[], uint16_t pPDADCValues[]) 345 { 346 struct ar2317State *priv = AR2317(ah); 347 #define VpdTable_L priv->vpdTable_L 348 #define VpdTable_R priv->vpdTable_R 349 #define VpdTable_I priv->vpdTable_I 350 /* XXX excessive stack usage? */ 351 uint32_t ii, jj, kk; 352 int32_t ss;/* potentially -ve index for taking care of pdGainOverlap */ 353 uint32_t idxL, idxR; 354 uint32_t numPdGainsUsed = 0; 355 /* 356 * If desired to support -ve power levels in future, just 357 * change pwr_I_0 to signed 5-bits. 358 */ 359 int16_t Pmin_t2[MAX_NUM_PDGAINS_PER_CHANNEL]; 360 /* to accomodate -ve power levels later on. */ 361 int16_t Pmax_t2[MAX_NUM_PDGAINS_PER_CHANNEL]; 362 /* to accomodate -ve power levels later on */ 363 uint16_t numVpd = 0; 364 uint16_t Vpd_step; 365 int16_t tmpVal ; 366 uint32_t sizeCurrVpdTable, maxIndex, tgtIndex; 367 368 /* Get upper lower index */ 369 GetLowerUpperIndex(channel, pRawDataset->pChannels, 370 pRawDataset->numChannels, &(idxL), &(idxR)); 371 372 for (ii = 0; ii < MAX_NUM_PDGAINS_PER_CHANNEL; ii++) { 373 jj = MAX_NUM_PDGAINS_PER_CHANNEL - ii - 1; 374 /* work backwards 'cause highest pdGain for lowest power */ 375 numVpd = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].numVpd; 376 if (numVpd > 0) { 377 pPdGainValues[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pd_gain; 378 Pmin_t2[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pwr_t4[0]; 379 if (Pmin_t2[numPdGainsUsed] >pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[0]) { 380 Pmin_t2[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[0]; 381 } 382 Pmin_t2[numPdGainsUsed] = (int16_t) 383 (Pmin_t2[numPdGainsUsed] / 2); 384 Pmax_t2[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pwr_t4[numVpd-1]; 385 if (Pmax_t2[numPdGainsUsed] > pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[numVpd-1]) 386 Pmax_t2[numPdGainsUsed] = 387 pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[numVpd-1]; 388 Pmax_t2[numPdGainsUsed] = (int16_t)(Pmax_t2[numPdGainsUsed] / 2); 389 ar2317FillVpdTable( 390 numPdGainsUsed, Pmin_t2[numPdGainsUsed], Pmax_t2[numPdGainsUsed], 391 &(pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pwr_t4[0]), 392 &(pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].Vpd[0]), numVpd, VpdTable_L 393 ); 394 ar2317FillVpdTable( 395 numPdGainsUsed, Pmin_t2[numPdGainsUsed], Pmax_t2[numPdGainsUsed], 396 &(pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[0]), 397 &(pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].Vpd[0]), numVpd, VpdTable_R 398 ); 399 for (kk = 0; kk < (uint16_t)(Pmax_t2[numPdGainsUsed] - Pmin_t2[numPdGainsUsed]); kk++) { 400 VpdTable_I[numPdGainsUsed][kk] = 401 interpolate_signed( 402 channel, pRawDataset->pChannels[idxL], pRawDataset->pChannels[idxR], 403 (int16_t)VpdTable_L[numPdGainsUsed][kk], (int16_t)VpdTable_R[numPdGainsUsed][kk]); 404 } 405 /* fill VpdTable_I for this pdGain */ 406 numPdGainsUsed++; 407 } 408 /* if this pdGain is used */ 409 } 410 411 *pMinCalPower = Pmin_t2[0]; 412 kk = 0; /* index for the final table */ 413 for (ii = 0; ii < numPdGainsUsed; ii++) { 414 if (ii == (numPdGainsUsed - 1)) 415 pPdGainBoundaries[ii] = Pmax_t2[ii] + 416 PD_GAIN_BOUNDARY_STRETCH_IN_HALF_DB; 417 else 418 pPdGainBoundaries[ii] = (uint16_t) 419 ((Pmax_t2[ii] + Pmin_t2[ii+1]) / 2 ); 420 if (pPdGainBoundaries[ii] > 63) { 421 HALDEBUG(ah, HAL_DEBUG_ANY, 422 "%s: clamp pPdGainBoundaries[%d] %d\n", 423 __func__, ii, pPdGainBoundaries[ii]);/*XXX*/ 424 pPdGainBoundaries[ii] = 63; 425 } 426 427 /* Find starting index for this pdGain */ 428 if (ii == 0) 429 ss = 0; /* for the first pdGain, start from index 0 */ 430 else 431 ss = (pPdGainBoundaries[ii-1] - Pmin_t2[ii]) - 432 pdGainOverlap_t2; 433 Vpd_step = (uint16_t)(VpdTable_I[ii][1] - VpdTable_I[ii][0]); 434 Vpd_step = (uint16_t)((Vpd_step < 1) ? 1 : Vpd_step); 435 /* 436 *-ve ss indicates need to extrapolate data below for this pdGain 437 */ 438 while (ss < 0) { 439 tmpVal = (int16_t)(VpdTable_I[ii][0] + ss*Vpd_step); 440 pPDADCValues[kk++] = (uint16_t)((tmpVal < 0) ? 0 : tmpVal); 441 ss++; 442 } 443 444 sizeCurrVpdTable = Pmax_t2[ii] - Pmin_t2[ii]; 445 tgtIndex = pPdGainBoundaries[ii] + pdGainOverlap_t2 - Pmin_t2[ii]; 446 maxIndex = (tgtIndex < sizeCurrVpdTable) ? tgtIndex : sizeCurrVpdTable; 447 448 while (ss < (int16_t)maxIndex) 449 pPDADCValues[kk++] = VpdTable_I[ii][ss++]; 450 451 Vpd_step = (uint16_t)(VpdTable_I[ii][sizeCurrVpdTable-1] - 452 VpdTable_I[ii][sizeCurrVpdTable-2]); 453 Vpd_step = (uint16_t)((Vpd_step < 1) ? 1 : Vpd_step); 454 /* 455 * for last gain, pdGainBoundary == Pmax_t2, so will 456 * have to extrapolate 457 */ 458 if (tgtIndex > maxIndex) { /* need to extrapolate above */ 459 while(ss < (int16_t)tgtIndex) { 460 tmpVal = (uint16_t) 461 (VpdTable_I[ii][sizeCurrVpdTable-1] + 462 (ss-maxIndex)*Vpd_step); 463 pPDADCValues[kk++] = (tmpVal > 127) ? 464 127 : tmpVal; 465 ss++; 466 } 467 } /* extrapolated above */ 468 } /* for all pdGainUsed */ 469 470 while (ii < MAX_NUM_PDGAINS_PER_CHANNEL) { 471 pPdGainBoundaries[ii] = pPdGainBoundaries[ii-1]; 472 ii++; 473 } 474 while (kk < 128) { 475 pPDADCValues[kk] = pPDADCValues[kk-1]; 476 kk++; 477 } 478 479 return numPdGainsUsed; 480 #undef VpdTable_L 481 #undef VpdTable_R 482 #undef VpdTable_I 483 } 484 485 static HAL_BOOL 486 ar2317SetPowerTable(struct ath_hal *ah, 487 int16_t *minPower, int16_t *maxPower, HAL_CHANNEL_INTERNAL *chan, 488 uint16_t *rfXpdGain) 489 { 490 struct ath_hal_5212 *ahp = AH5212(ah); 491 const HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom; 492 const RAW_DATA_STRUCT_2317 *pRawDataset = AH_NULL; 493 uint16_t pdGainOverlap_t2; 494 int16_t minCalPower2317_t2; 495 uint16_t *pdadcValues = ahp->ah_pcdacTable; 496 uint16_t gainBoundaries[4]; 497 uint32_t reg32, regoffset; 498 int i, numPdGainsUsed; 499 #ifndef AH_USE_INIPDGAIN 500 uint32_t tpcrg1; 501 #endif 502 503 HALDEBUG(ah, HAL_DEBUG_RFPARAM, "%s: chan 0x%x flag 0x%x\n", 504 __func__, chan->channel,chan->channelFlags); 505 506 if (IS_CHAN_G(chan) || IS_CHAN_108G(chan)) 507 pRawDataset = &ee->ee_rawDataset2413[headerInfo11G]; 508 else if (IS_CHAN_B(chan)) 509 pRawDataset = &ee->ee_rawDataset2413[headerInfo11B]; 510 else { 511 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: illegal mode\n", __func__); 512 return AH_FALSE; 513 } 514 515 pdGainOverlap_t2 = (uint16_t) SM(OS_REG_READ(ah, AR_PHY_TPCRG5), 516 AR_PHY_TPCRG5_PD_GAIN_OVERLAP); 517 518 numPdGainsUsed = ar2317getGainBoundariesAndPdadcsForPowers(ah, 519 chan->channel, pRawDataset, pdGainOverlap_t2, 520 &minCalPower2317_t2,gainBoundaries, rfXpdGain, pdadcValues); 521 HALASSERT(1 <= numPdGainsUsed && numPdGainsUsed <= 3); 522 523 #ifdef AH_USE_INIPDGAIN 524 /* 525 * Use pd_gains curve from eeprom; Atheros always uses 526 * the default curve from the ini file but some vendors 527 * (e.g. Zcomax) want to override this curve and not 528 * honoring their settings results in tx power 5dBm low. 529 */ 530 OS_REG_RMW_FIELD(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_NUM_PD_GAIN, 531 (pRawDataset->pDataPerChannel[0].numPdGains - 1)); 532 #else 533 tpcrg1 = OS_REG_READ(ah, AR_PHY_TPCRG1); 534 tpcrg1 = (tpcrg1 &~ AR_PHY_TPCRG1_NUM_PD_GAIN) 535 | SM(numPdGainsUsed-1, AR_PHY_TPCRG1_NUM_PD_GAIN); 536 switch (numPdGainsUsed) { 537 case 3: 538 tpcrg1 &= ~AR_PHY_TPCRG1_PDGAIN_SETTING3; 539 tpcrg1 |= SM(rfXpdGain[2], AR_PHY_TPCRG1_PDGAIN_SETTING3); 540 /* fall thru... */ 541 case 2: 542 tpcrg1 &= ~AR_PHY_TPCRG1_PDGAIN_SETTING2; 543 tpcrg1 |= SM(rfXpdGain[1], AR_PHY_TPCRG1_PDGAIN_SETTING2); 544 /* fall thru... */ 545 case 1: 546 tpcrg1 &= ~AR_PHY_TPCRG1_PDGAIN_SETTING1; 547 tpcrg1 |= SM(rfXpdGain[0], AR_PHY_TPCRG1_PDGAIN_SETTING1); 548 break; 549 } 550 #ifdef AH_DEBUG 551 if (tpcrg1 != OS_REG_READ(ah, AR_PHY_TPCRG1)) 552 HALDEBUG(ah, HAL_DEBUG_RFPARAM, "%s: using non-default " 553 "pd_gains (default 0x%x, calculated 0x%x)\n", 554 __func__, OS_REG_READ(ah, AR_PHY_TPCRG1), tpcrg1); 555 #endif 556 OS_REG_WRITE(ah, AR_PHY_TPCRG1, tpcrg1); 557 #endif 558 559 /* 560 * Note the pdadc table may not start at 0 dBm power, could be 561 * negative or greater than 0. Need to offset the power 562 * values by the amount of minPower for griffin 563 */ 564 if (minCalPower2317_t2 != 0) 565 ahp->ah_txPowerIndexOffset = (int16_t)(0 - minCalPower2317_t2); 566 else 567 ahp->ah_txPowerIndexOffset = 0; 568 569 /* Finally, write the power values into the baseband power table */ 570 regoffset = 0x9800 + (672 <<2); /* beginning of pdadc table in griffin */ 571 for (i = 0; i < 32; i++) { 572 reg32 = ((pdadcValues[4*i + 0] & 0xFF) << 0) | 573 ((pdadcValues[4*i + 1] & 0xFF) << 8) | 574 ((pdadcValues[4*i + 2] & 0xFF) << 16) | 575 ((pdadcValues[4*i + 3] & 0xFF) << 24) ; 576 OS_REG_WRITE(ah, regoffset, reg32); 577 regoffset += 4; 578 } 579 580 OS_REG_WRITE(ah, AR_PHY_TPCRG5, 581 SM(pdGainOverlap_t2, AR_PHY_TPCRG5_PD_GAIN_OVERLAP) | 582 SM(gainBoundaries[0], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_1) | 583 SM(gainBoundaries[1], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_2) | 584 SM(gainBoundaries[2], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_3) | 585 SM(gainBoundaries[3], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_4)); 586 587 return AH_TRUE; 588 } 589 590 static int16_t 591 ar2317GetMinPower(struct ath_hal *ah, const RAW_DATA_PER_CHANNEL_2317 *data) 592 { 593 uint32_t ii,jj; 594 uint16_t Pmin=0,numVpd; 595 596 for (ii = 0; ii < MAX_NUM_PDGAINS_PER_CHANNEL; ii++) { 597 jj = MAX_NUM_PDGAINS_PER_CHANNEL - ii - 1; 598 /* work backwards 'cause highest pdGain for lowest power */ 599 numVpd = data->pDataPerPDGain[jj].numVpd; 600 if (numVpd > 0) { 601 Pmin = data->pDataPerPDGain[jj].pwr_t4[0]; 602 return(Pmin); 603 } 604 } 605 return(Pmin); 606 } 607 608 static int16_t 609 ar2317GetMaxPower(struct ath_hal *ah, const RAW_DATA_PER_CHANNEL_2317 *data) 610 { 611 uint32_t ii; 612 uint16_t Pmax=0,numVpd; 613 uint16_t vpdmax; 614 615 for (ii=0; ii< MAX_NUM_PDGAINS_PER_CHANNEL; ii++) { 616 /* work forwards cuase lowest pdGain for highest power */ 617 numVpd = data->pDataPerPDGain[ii].numVpd; 618 if (numVpd > 0) { 619 Pmax = data->pDataPerPDGain[ii].pwr_t4[numVpd-1]; 620 vpdmax = data->pDataPerPDGain[ii].Vpd[numVpd-1]; 621 return(Pmax); 622 } 623 } 624 return(Pmax); 625 } 626 627 static HAL_BOOL 628 ar2317GetChannelMaxMinPower(struct ath_hal *ah, HAL_CHANNEL *chan, 629 int16_t *maxPow, int16_t *minPow) 630 { 631 const HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom; 632 const RAW_DATA_STRUCT_2317 *pRawDataset = AH_NULL; 633 const RAW_DATA_PER_CHANNEL_2317 *data=AH_NULL; 634 uint16_t numChannels; 635 int totalD,totalF, totalMin,last, i; 636 637 *maxPow = 0; 638 639 if (IS_CHAN_G(chan) || IS_CHAN_108G(chan)) 640 pRawDataset = &ee->ee_rawDataset2413[headerInfo11G]; 641 else if (IS_CHAN_B(chan)) 642 pRawDataset = &ee->ee_rawDataset2413[headerInfo11B]; 643 else 644 return(AH_FALSE); 645 646 numChannels = pRawDataset->numChannels; 647 data = pRawDataset->pDataPerChannel; 648 649 /* Make sure the channel is in the range of the TP values 650 * (freq piers) 651 */ 652 if (numChannels < 1) 653 return(AH_FALSE); 654 655 if ((chan->channel < data[0].channelValue) || 656 (chan->channel > data[numChannels-1].channelValue)) { 657 if (chan->channel < data[0].channelValue) { 658 *maxPow = ar2317GetMaxPower(ah, &data[0]); 659 *minPow = ar2317GetMinPower(ah, &data[0]); 660 return(AH_TRUE); 661 } else { 662 *maxPow = ar2317GetMaxPower(ah, &data[numChannels - 1]); 663 *minPow = ar2317GetMinPower(ah, &data[numChannels - 1]); 664 return(AH_TRUE); 665 } 666 } 667 668 /* Linearly interpolate the power value now */ 669 for (last=0,i=0; (i<numChannels) && (chan->channel > data[i].channelValue); 670 last = i++); 671 totalD = data[i].channelValue - data[last].channelValue; 672 if (totalD > 0) { 673 totalF = ar2317GetMaxPower(ah, &data[i]) - ar2317GetMaxPower(ah, &data[last]); 674 *maxPow = (int8_t) ((totalF*(chan->channel-data[last].channelValue) + 675 ar2317GetMaxPower(ah, &data[last])*totalD)/totalD); 676 totalMin = ar2317GetMinPower(ah, &data[i]) - ar2317GetMinPower(ah, &data[last]); 677 *minPow = (int8_t) ((totalMin*(chan->channel-data[last].channelValue) + 678 ar2317GetMinPower(ah, &data[last])*totalD)/totalD); 679 return(AH_TRUE); 680 } else { 681 if (chan->channel == data[i].channelValue) { 682 *maxPow = ar2317GetMaxPower(ah, &data[i]); 683 *minPow = ar2317GetMinPower(ah, &data[i]); 684 return(AH_TRUE); 685 } else 686 return(AH_FALSE); 687 } 688 } 689 690 /* 691 * Free memory for analog bank scratch buffers 692 */ 693 static void 694 ar2317RfDetach(struct ath_hal *ah) 695 { 696 struct ath_hal_5212 *ahp = AH5212(ah); 697 698 HALASSERT(ahp->ah_rfHal != AH_NULL); 699 ath_hal_free(ahp->ah_rfHal); 700 ahp->ah_rfHal = AH_NULL; 701 } 702 703 /* 704 * Allocate memory for analog bank scratch buffers 705 * Scratch Buffer will be reinitialized every reset so no need to zero now 706 */ 707 static HAL_BOOL 708 ar2317RfAttach(struct ath_hal *ah, HAL_STATUS *status) 709 { 710 struct ath_hal_5212 *ahp = AH5212(ah); 711 struct ar2317State *priv; 712 713 HALASSERT(ah->ah_magic == AR5212_MAGIC); 714 715 HALASSERT(ahp->ah_rfHal == AH_NULL); 716 priv = ath_hal_malloc(sizeof(struct ar2317State)); 717 if (priv == AH_NULL) { 718 HALDEBUG(ah, HAL_DEBUG_ANY, 719 "%s: cannot allocate private state\n", __func__); 720 *status = HAL_ENOMEM; /* XXX */ 721 return AH_FALSE; 722 } 723 priv->base.rfDetach = ar2317RfDetach; 724 priv->base.writeRegs = ar2317WriteRegs; 725 priv->base.getRfBank = ar2317GetRfBank; 726 priv->base.setChannel = ar2317SetChannel; 727 priv->base.setRfRegs = ar2317SetRfRegs; 728 priv->base.setPowerTable = ar2317SetPowerTable; 729 priv->base.getChannelMaxMinPower = ar2317GetChannelMaxMinPower; 730 priv->base.getNfAdjust = ar5212GetNfAdjust; 731 732 ahp->ah_pcdacTable = priv->pcdacTable; 733 ahp->ah_pcdacTableSize = sizeof(priv->pcdacTable); 734 ahp->ah_rfHal = &priv->base; 735 736 return AH_TRUE; 737 } 738 739 static HAL_BOOL 740 ar2317Probe(struct ath_hal *ah) 741 { 742 return IS_2317(ah); 743 } 744 AH_RF(RF2317, ar2317Probe, ar2317RfAttach); 745