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: ar2316.c,v 1.2 2009/01/06 06:03:57 mrg 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_2316 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_2316; 36 typedef RAW_DATA_PER_CHANNEL_2413 RAW_DATA_PER_CHANNEL_2316; 37 #define PWR_TABLE_SIZE_2316 PWR_TABLE_SIZE_2413 38 39 struct ar2316State { 40 RF_HAL_FUNCS base; /* public state, must be first */ 41 uint16_t pcdacTable[PWR_TABLE_SIZE_2316]; 42 43 uint32_t Bank1Data[N(ar5212Bank1_2316)]; 44 uint32_t Bank2Data[N(ar5212Bank2_2316)]; 45 uint32_t Bank3Data[N(ar5212Bank3_2316)]; 46 uint32_t Bank6Data[N(ar5212Bank6_2316)]; 47 uint32_t Bank7Data[N(ar5212Bank7_2316)]; 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 AR2316(ah) ((struct ar2316State *) 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 ar2316WriteRegs(struct ath_hal *ah, u_int modesIndex, u_int freqIndex, 69 int regWrites) 70 { 71 struct ath_hal_5212 *ahp = AH5212(ah); 72 73 HAL_INI_WRITE_ARRAY(ah, ar5212Modes_2316, modesIndex, regWrites); 74 HAL_INI_WRITE_ARRAY(ah, ar5212Common_2316, 1, regWrites); 75 HAL_INI_WRITE_ARRAY(ah, ar5212BB_RfGain_2316, freqIndex, regWrites); 76 77 /* For AP51 */ 78 if (!ahp->ah_cwCalRequire) { 79 OS_REG_WRITE(ah, 0xa358, (OS_REG_READ(ah, 0xa358) & ~0x2)); 80 } else { 81 ahp->ah_cwCalRequire = AH_FALSE; 82 } 83 } 84 85 /* 86 * Take the MHz channel value and set the Channel value 87 * 88 * ASSUMES: Writes enabled to analog bus 89 */ 90 static HAL_BOOL 91 ar2316SetChannel(struct ath_hal *ah, HAL_CHANNEL_INTERNAL *chan) 92 { 93 uint32_t channelSel = 0; 94 uint32_t bModeSynth = 0; 95 uint32_t aModeRefSel = 0; 96 uint32_t reg32 = 0; 97 98 OS_MARK(ah, AH_MARK_SETCHANNEL, chan->channel); 99 100 if (chan->channel < 4800) { 101 uint32_t txctl; 102 103 if (((chan->channel - 2192) % 5) == 0) { 104 channelSel = ((chan->channel - 672) * 2 - 3040)/10; 105 bModeSynth = 0; 106 } else if (((chan->channel - 2224) % 5) == 0) { 107 channelSel = ((chan->channel - 704) * 2 - 3040) / 10; 108 bModeSynth = 1; 109 } else { 110 HALDEBUG(ah, HAL_DEBUG_ANY, 111 "%s: invalid channel %u MHz\n", 112 __func__, chan->channel); 113 return AH_FALSE; 114 } 115 116 channelSel = (channelSel << 2) & 0xff; 117 channelSel = ath_hal_reverseBits(channelSel, 8); 118 119 txctl = OS_REG_READ(ah, AR_PHY_CCK_TX_CTRL); 120 if (chan->channel == 2484) { 121 /* Enable channel spreading for channel 14 */ 122 OS_REG_WRITE(ah, AR_PHY_CCK_TX_CTRL, 123 txctl | AR_PHY_CCK_TX_CTRL_JAPAN); 124 } else { 125 OS_REG_WRITE(ah, AR_PHY_CCK_TX_CTRL, 126 txctl &~ AR_PHY_CCK_TX_CTRL_JAPAN); 127 } 128 } else if ((chan->channel % 20) == 0 && chan->channel >= 5120) { 129 channelSel = ath_hal_reverseBits( 130 ((chan->channel - 4800) / 20 << 2), 8); 131 aModeRefSel = ath_hal_reverseBits(3, 2); 132 } else if ((chan->channel % 10) == 0) { 133 channelSel = ath_hal_reverseBits( 134 ((chan->channel - 4800) / 10 << 1), 8); 135 aModeRefSel = ath_hal_reverseBits(2, 2); 136 } else if ((chan->channel % 5) == 0) { 137 channelSel = ath_hal_reverseBits( 138 (chan->channel - 4800) / 5, 8); 139 aModeRefSel = ath_hal_reverseBits(1, 2); 140 } else { 141 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid channel %u MHz\n", 142 __func__, chan->channel); 143 return AH_FALSE; 144 } 145 146 reg32 = (channelSel << 4) | (aModeRefSel << 2) | (bModeSynth << 1) | 147 (1 << 12) | 0x1; 148 OS_REG_WRITE(ah, AR_PHY(0x27), reg32 & 0xff); 149 150 reg32 >>= 8; 151 OS_REG_WRITE(ah, AR_PHY(0x36), reg32 & 0x7f); 152 153 AH_PRIVATE(ah)->ah_curchan = chan; 154 return AH_TRUE; 155 } 156 157 /* 158 * Reads EEPROM header info from device structure and programs 159 * all rf registers 160 * 161 * REQUIRES: Access to the analog rf device 162 */ 163 static HAL_BOOL 164 ar2316SetRfRegs(struct ath_hal *ah, HAL_CHANNEL_INTERNAL *chan, uint16_t modesIndex, uint16_t *rfXpdGain) 165 { 166 #define RF_BANK_SETUP(_priv, _ix, _col) do { \ 167 int i; \ 168 for (i = 0; i < N(ar5212Bank##_ix##_2316); i++) \ 169 (_priv)->Bank##_ix##Data[i] = ar5212Bank##_ix##_2316[i][_col];\ 170 } while (0) 171 struct ath_hal_5212 *ahp = AH5212(ah); 172 const HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom; 173 uint16_t ob2GHz = 0, db2GHz = 0; 174 struct ar2316State *priv = AR2316(ah); 175 int regWrites = 0; 176 177 HALDEBUG(ah, HAL_DEBUG_RFPARAM, 178 "%s: chan 0x%x flag 0x%x modesIndex 0x%x\n", 179 __func__, chan->channel, chan->channelFlags, modesIndex); 180 181 HALASSERT(priv != AH_NULL); 182 183 /* Setup rf parameters */ 184 switch (chan->channelFlags & CHANNEL_ALL) { 185 case CHANNEL_B: 186 ob2GHz = ee->ee_obFor24; 187 db2GHz = ee->ee_dbFor24; 188 break; 189 case CHANNEL_G: 190 case CHANNEL_108G: 191 ob2GHz = ee->ee_obFor24g; 192 db2GHz = ee->ee_dbFor24g; 193 break; 194 default: 195 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid channel flags 0x%x\n", 196 __func__, chan->channelFlags); 197 return AH_FALSE; 198 } 199 200 /* Bank 1 Write */ 201 RF_BANK_SETUP(priv, 1, 1); 202 203 /* Bank 2 Write */ 204 RF_BANK_SETUP(priv, 2, modesIndex); 205 206 /* Bank 3 Write */ 207 RF_BANK_SETUP(priv, 3, modesIndex); 208 209 /* Bank 6 Write */ 210 RF_BANK_SETUP(priv, 6, modesIndex); 211 212 ar5212ModifyRfBuffer(priv->Bank6Data, ob2GHz, 3, 178, 0); 213 ar5212ModifyRfBuffer(priv->Bank6Data, db2GHz, 3, 175, 0); 214 215 /* Bank 7 Setup */ 216 RF_BANK_SETUP(priv, 7, modesIndex); 217 218 /* Write Analog registers */ 219 HAL_INI_WRITE_BANK(ah, ar5212Bank1_2316, priv->Bank1Data, regWrites); 220 HAL_INI_WRITE_BANK(ah, ar5212Bank2_2316, priv->Bank2Data, regWrites); 221 HAL_INI_WRITE_BANK(ah, ar5212Bank3_2316, priv->Bank3Data, regWrites); 222 HAL_INI_WRITE_BANK(ah, ar5212Bank6_2316, priv->Bank6Data, regWrites); 223 HAL_INI_WRITE_BANK(ah, ar5212Bank7_2316, priv->Bank7Data, regWrites); 224 225 /* Now that we have reprogrammed rfgain value, clear the flag. */ 226 ahp->ah_rfgainState = HAL_RFGAIN_INACTIVE; 227 228 return AH_TRUE; 229 #undef RF_BANK_SETUP 230 } 231 232 /* 233 * Return a reference to the requested RF Bank. 234 */ 235 static uint32_t * 236 ar2316GetRfBank(struct ath_hal *ah, int bank) 237 { 238 struct ar2316State *priv = AR2316(ah); 239 240 HALASSERT(priv != AH_NULL); 241 switch (bank) { 242 case 1: return priv->Bank1Data; 243 case 2: return priv->Bank2Data; 244 case 3: return priv->Bank3Data; 245 case 6: return priv->Bank6Data; 246 case 7: return priv->Bank7Data; 247 } 248 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: unknown RF Bank %d requested\n", 249 __func__, bank); 250 return AH_NULL; 251 } 252 253 /* 254 * Return indices surrounding the value in sorted integer lists. 255 * 256 * NB: the input list is assumed to be sorted in ascending order 257 */ 258 static void 259 GetLowerUpperIndex(int16_t v, const uint16_t *lp, uint16_t listSize, 260 uint32_t *vlo, uint32_t *vhi) 261 { 262 int16_t target = v; 263 const int16_t *ep = lp+listSize; 264 const int16_t *tp; 265 266 /* 267 * Check first and last elements for out-of-bounds conditions. 268 */ 269 if (target < lp[0]) { 270 *vlo = *vhi = 0; 271 return; 272 } 273 if (target >= ep[-1]) { 274 *vlo = *vhi = listSize - 1; 275 return; 276 } 277 278 /* look for value being near or between 2 values in list */ 279 for (tp = lp; tp < ep; tp++) { 280 /* 281 * If value is close to the current value of the list 282 * then target is not between values, it is one of the values 283 */ 284 if (*tp == target) { 285 *vlo = *vhi = tp - (const int16_t *) lp; 286 return; 287 } 288 /* 289 * Look for value being between current value and next value 290 * if so return these 2 values 291 */ 292 if (target < tp[1]) { 293 *vlo = tp - (const int16_t *) lp; 294 *vhi = *vlo + 1; 295 return; 296 } 297 } 298 } 299 300 /* 301 * Fill the Vpdlist for indices Pmax-Pmin 302 */ 303 static HAL_BOOL 304 ar2316FillVpdTable(uint32_t pdGainIdx, int16_t Pmin, int16_t Pmax, 305 const int16_t *pwrList, const int16_t *VpdList, 306 uint16_t numIntercepts, uint16_t retVpdList[][64]) 307 { 308 uint16_t ii, jj, kk; 309 int16_t currPwr = (int16_t)(2*Pmin); 310 /* since Pmin is pwr*2 and pwrList is 4*pwr */ 311 uint32_t idxL = 0, idxR = 0; 312 313 ii = 0; 314 jj = 0; 315 316 if (numIntercepts < 2) 317 return AH_FALSE; 318 319 while (ii <= (uint16_t)(Pmax - Pmin)) { 320 GetLowerUpperIndex(currPwr, pwrList, numIntercepts, 321 &(idxL), &(idxR)); 322 if (idxR < 1) 323 idxR = 1; /* extrapolate below */ 324 if (idxL == (uint32_t)(numIntercepts - 1)) 325 idxL = numIntercepts - 2; /* extrapolate above */ 326 if (pwrList[idxL] == pwrList[idxR]) 327 kk = VpdList[idxL]; 328 else 329 kk = (uint16_t) 330 (((currPwr - pwrList[idxL])*VpdList[idxR]+ 331 (pwrList[idxR] - currPwr)*VpdList[idxL])/ 332 (pwrList[idxR] - pwrList[idxL])); 333 retVpdList[pdGainIdx][ii] = kk; 334 ii++; 335 currPwr += 2; /* half dB steps */ 336 } 337 338 return AH_TRUE; 339 } 340 341 /* 342 * Returns interpolated or the scaled up interpolated value 343 */ 344 static int16_t 345 interpolate_signed(uint16_t target, uint16_t srcLeft, uint16_t srcRight, 346 int16_t targetLeft, int16_t targetRight) 347 { 348 int16_t rv; 349 350 if (srcRight != srcLeft) { 351 rv = ((target - srcLeft)*targetRight + 352 (srcRight - target)*targetLeft) / (srcRight - srcLeft); 353 } else { 354 rv = targetLeft; 355 } 356 return rv; 357 } 358 359 /* 360 * Uses the data points read from EEPROM to reconstruct the pdadc power table 361 * Called by ar2316SetPowerTable() 362 */ 363 static int 364 ar2316getGainBoundariesAndPdadcsForPowers(struct ath_hal *ah, uint16_t channel, 365 const RAW_DATA_STRUCT_2316 *pRawDataset, 366 uint16_t pdGainOverlap_t2, 367 int16_t *pMinCalPower, uint16_t pPdGainBoundaries[], 368 uint16_t pPdGainValues[], uint16_t pPDADCValues[]) 369 { 370 struct ar2316State *priv = AR2316(ah); 371 #define VpdTable_L priv->vpdTable_L 372 #define VpdTable_R priv->vpdTable_R 373 #define VpdTable_I priv->vpdTable_I 374 uint32_t ii, jj, kk; 375 int32_t ss;/* potentially -ve index for taking care of pdGainOverlap */ 376 uint32_t idxL = 0, idxR = 0; 377 uint32_t numPdGainsUsed = 0; 378 /* 379 * If desired to support -ve power levels in future, just 380 * change pwr_I_0 to signed 5-bits. 381 */ 382 int16_t Pmin_t2[MAX_NUM_PDGAINS_PER_CHANNEL]; 383 /* to accomodate -ve power levels later on. */ 384 int16_t Pmax_t2[MAX_NUM_PDGAINS_PER_CHANNEL]; 385 /* to accomodate -ve power levels later on */ 386 uint16_t numVpd = 0; 387 uint16_t Vpd_step; 388 int16_t tmpVal ; 389 uint32_t sizeCurrVpdTable, maxIndex, tgtIndex; 390 391 /* Get upper lower index */ 392 GetLowerUpperIndex(channel, pRawDataset->pChannels, 393 pRawDataset->numChannels, &(idxL), &(idxR)); 394 395 for (ii = 0; ii < MAX_NUM_PDGAINS_PER_CHANNEL; ii++) { 396 jj = MAX_NUM_PDGAINS_PER_CHANNEL - ii - 1; 397 /* work backwards 'cause highest pdGain for lowest power */ 398 numVpd = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].numVpd; 399 if (numVpd > 0) { 400 pPdGainValues[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pd_gain; 401 Pmin_t2[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pwr_t4[0]; 402 if (Pmin_t2[numPdGainsUsed] >pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[0]) { 403 Pmin_t2[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[0]; 404 } 405 Pmin_t2[numPdGainsUsed] = (int16_t) 406 (Pmin_t2[numPdGainsUsed] / 2); 407 Pmax_t2[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pwr_t4[numVpd-1]; 408 if (Pmax_t2[numPdGainsUsed] > pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[numVpd-1]) 409 Pmax_t2[numPdGainsUsed] = 410 pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[numVpd-1]; 411 Pmax_t2[numPdGainsUsed] = (int16_t)(Pmax_t2[numPdGainsUsed] / 2); 412 ar2316FillVpdTable( 413 numPdGainsUsed, Pmin_t2[numPdGainsUsed], Pmax_t2[numPdGainsUsed], 414 &(pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pwr_t4[0]), 415 &(pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].Vpd[0]), numVpd, VpdTable_L 416 ); 417 ar2316FillVpdTable( 418 numPdGainsUsed, Pmin_t2[numPdGainsUsed], Pmax_t2[numPdGainsUsed], 419 &(pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[0]), 420 &(pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].Vpd[0]), numVpd, VpdTable_R 421 ); 422 for (kk = 0; kk < (uint16_t)(Pmax_t2[numPdGainsUsed] - Pmin_t2[numPdGainsUsed]); kk++) { 423 VpdTable_I[numPdGainsUsed][kk] = 424 interpolate_signed( 425 channel, pRawDataset->pChannels[idxL], pRawDataset->pChannels[idxR], 426 (int16_t)VpdTable_L[numPdGainsUsed][kk], (int16_t)VpdTable_R[numPdGainsUsed][kk]); 427 } 428 /* fill VpdTable_I for this pdGain */ 429 numPdGainsUsed++; 430 } 431 /* if this pdGain is used */ 432 } 433 434 *pMinCalPower = Pmin_t2[0]; 435 kk = 0; /* index for the final table */ 436 for (ii = 0; ii < numPdGainsUsed; ii++) { 437 if (ii == (numPdGainsUsed - 1)) 438 pPdGainBoundaries[ii] = Pmax_t2[ii] + 439 PD_GAIN_BOUNDARY_STRETCH_IN_HALF_DB; 440 else 441 pPdGainBoundaries[ii] = (uint16_t) 442 ((Pmax_t2[ii] + Pmin_t2[ii+1]) / 2 ); 443 if (pPdGainBoundaries[ii] > 63) { 444 HALDEBUG(ah, HAL_DEBUG_ANY, 445 "%s: clamp pPdGainBoundaries[%d] %d\n", 446 __func__, ii, pPdGainBoundaries[ii]);/*XXX*/ 447 pPdGainBoundaries[ii] = 63; 448 } 449 450 /* Find starting index for this pdGain */ 451 if (ii == 0) 452 ss = 0; /* for the first pdGain, start from index 0 */ 453 else 454 ss = (pPdGainBoundaries[ii-1] - Pmin_t2[ii]) - 455 pdGainOverlap_t2; 456 Vpd_step = (uint16_t)(VpdTable_I[ii][1] - VpdTable_I[ii][0]); 457 Vpd_step = (uint16_t)((Vpd_step < 1) ? 1 : Vpd_step); 458 /* 459 *-ve ss indicates need to extrapolate data below for this pdGain 460 */ 461 while (ss < 0) { 462 tmpVal = (int16_t)(VpdTable_I[ii][0] + ss*Vpd_step); 463 pPDADCValues[kk++] = (uint16_t)((tmpVal < 0) ? 0 : tmpVal); 464 ss++; 465 } 466 467 sizeCurrVpdTable = Pmax_t2[ii] - Pmin_t2[ii]; 468 tgtIndex = pPdGainBoundaries[ii] + pdGainOverlap_t2 - Pmin_t2[ii]; 469 maxIndex = (tgtIndex < sizeCurrVpdTable) ? tgtIndex : sizeCurrVpdTable; 470 471 while (ss < (int16_t)maxIndex) 472 pPDADCValues[kk++] = VpdTable_I[ii][ss++]; 473 474 Vpd_step = (uint16_t)(VpdTable_I[ii][sizeCurrVpdTable-1] - 475 VpdTable_I[ii][sizeCurrVpdTable-2]); 476 Vpd_step = (uint16_t)((Vpd_step < 1) ? 1 : Vpd_step); 477 /* 478 * for last gain, pdGainBoundary == Pmax_t2, so will 479 * have to extrapolate 480 */ 481 if (tgtIndex > maxIndex) { /* need to extrapolate above */ 482 while(ss < (int16_t)tgtIndex) { 483 tmpVal = (uint16_t) 484 (VpdTable_I[ii][sizeCurrVpdTable-1] + 485 (ss-maxIndex)*Vpd_step); 486 pPDADCValues[kk++] = (tmpVal > 127) ? 487 127 : tmpVal; 488 ss++; 489 } 490 } /* extrapolated above */ 491 } /* for all pdGainUsed */ 492 493 while (ii < MAX_NUM_PDGAINS_PER_CHANNEL) { 494 pPdGainBoundaries[ii] = pPdGainBoundaries[ii-1]; 495 ii++; 496 } 497 while (kk < 128) { 498 pPDADCValues[kk] = pPDADCValues[kk-1]; 499 kk++; 500 } 501 502 return numPdGainsUsed; 503 #undef VpdTable_L 504 #undef VpdTable_R 505 #undef VpdTable_I 506 } 507 508 static HAL_BOOL 509 ar2316SetPowerTable(struct ath_hal *ah, 510 int16_t *minPower, int16_t *maxPower, HAL_CHANNEL_INTERNAL *chan, 511 uint16_t *rfXpdGain) 512 { 513 struct ath_hal_5212 *ahp = AH5212(ah); 514 const HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom; 515 const RAW_DATA_STRUCT_2316 *pRawDataset = AH_NULL; 516 uint16_t pdGainOverlap_t2; 517 int16_t minCalPower2316_t2; 518 uint16_t *pdadcValues = ahp->ah_pcdacTable; 519 uint16_t gainBoundaries[4]; 520 uint32_t reg32, regoffset; 521 int i, numPdGainsUsed; 522 #ifndef AH_USE_INIPDGAIN 523 uint32_t tpcrg1; 524 #endif 525 526 HALDEBUG(ah, HAL_DEBUG_RFPARAM, "%s: chan 0x%x flag 0x%x\n", 527 __func__, chan->channel,chan->channelFlags); 528 529 if (IS_CHAN_G(chan) || IS_CHAN_108G(chan)) 530 pRawDataset = &ee->ee_rawDataset2413[headerInfo11G]; 531 else if (IS_CHAN_B(chan)) 532 pRawDataset = &ee->ee_rawDataset2413[headerInfo11B]; 533 else { 534 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: illegal mode\n", __func__); 535 return AH_FALSE; 536 } 537 538 pdGainOverlap_t2 = (uint16_t) SM(OS_REG_READ(ah, AR_PHY_TPCRG5), 539 AR_PHY_TPCRG5_PD_GAIN_OVERLAP); 540 541 numPdGainsUsed = ar2316getGainBoundariesAndPdadcsForPowers(ah, 542 chan->channel, pRawDataset, pdGainOverlap_t2, 543 &minCalPower2316_t2,gainBoundaries, rfXpdGain, pdadcValues); 544 HALASSERT(1 <= numPdGainsUsed && numPdGainsUsed <= 3); 545 546 #ifdef AH_USE_INIPDGAIN 547 /* 548 * Use pd_gains curve from eeprom; Atheros always uses 549 * the default curve from the ini file but some vendors 550 * (e.g. Zcomax) want to override this curve and not 551 * honoring their settings results in tx power 5dBm low. 552 */ 553 OS_REG_RMW_FIELD(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_NUM_PD_GAIN, 554 (pRawDataset->pDataPerChannel[0].numPdGains - 1)); 555 #else 556 tpcrg1 = OS_REG_READ(ah, AR_PHY_TPCRG1); 557 tpcrg1 = (tpcrg1 &~ AR_PHY_TPCRG1_NUM_PD_GAIN) 558 | SM(numPdGainsUsed-1, AR_PHY_TPCRG1_NUM_PD_GAIN); 559 switch (numPdGainsUsed) { 560 case 3: 561 tpcrg1 &= ~AR_PHY_TPCRG1_PDGAIN_SETTING3; 562 tpcrg1 |= SM(rfXpdGain[2], AR_PHY_TPCRG1_PDGAIN_SETTING3); 563 /* fall thru... */ 564 case 2: 565 tpcrg1 &= ~AR_PHY_TPCRG1_PDGAIN_SETTING2; 566 tpcrg1 |= SM(rfXpdGain[1], AR_PHY_TPCRG1_PDGAIN_SETTING2); 567 /* fall thru... */ 568 case 1: 569 tpcrg1 &= ~AR_PHY_TPCRG1_PDGAIN_SETTING1; 570 tpcrg1 |= SM(rfXpdGain[0], AR_PHY_TPCRG1_PDGAIN_SETTING1); 571 break; 572 } 573 #ifdef AH_DEBUG 574 if (tpcrg1 != OS_REG_READ(ah, AR_PHY_TPCRG1)) 575 HALDEBUG(ah, HAL_DEBUG_RFPARAM, "%s: using non-default " 576 "pd_gains (default 0x%x, calculated 0x%x)\n", 577 __func__, OS_REG_READ(ah, AR_PHY_TPCRG1), tpcrg1); 578 #endif 579 OS_REG_WRITE(ah, AR_PHY_TPCRG1, tpcrg1); 580 #endif 581 582 /* 583 * Note the pdadc table may not start at 0 dBm power, could be 584 * negative or greater than 0. Need to offset the power 585 * values by the amount of minPower for griffin 586 */ 587 if (minCalPower2316_t2 != 0) 588 ahp->ah_txPowerIndexOffset = (int16_t)(0 - minCalPower2316_t2); 589 else 590 ahp->ah_txPowerIndexOffset = 0; 591 592 /* Finally, write the power values into the baseband power table */ 593 regoffset = 0x9800 + (672 <<2); /* beginning of pdadc table in griffin */ 594 for (i = 0; i < 32; i++) { 595 reg32 = ((pdadcValues[4*i + 0] & 0xFF) << 0) | 596 ((pdadcValues[4*i + 1] & 0xFF) << 8) | 597 ((pdadcValues[4*i + 2] & 0xFF) << 16) | 598 ((pdadcValues[4*i + 3] & 0xFF) << 24) ; 599 OS_REG_WRITE(ah, regoffset, reg32); 600 regoffset += 4; 601 } 602 603 OS_REG_WRITE(ah, AR_PHY_TPCRG5, 604 SM(pdGainOverlap_t2, AR_PHY_TPCRG5_PD_GAIN_OVERLAP) | 605 SM(gainBoundaries[0], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_1) | 606 SM(gainBoundaries[1], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_2) | 607 SM(gainBoundaries[2], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_3) | 608 SM(gainBoundaries[3], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_4)); 609 610 return AH_TRUE; 611 } 612 613 static int16_t 614 ar2316GetMinPower(struct ath_hal *ah, const RAW_DATA_PER_CHANNEL_2316 *data) 615 { 616 uint32_t ii,jj; 617 uint16_t Pmin=0,numVpd; 618 619 for (ii = 0; ii < MAX_NUM_PDGAINS_PER_CHANNEL; ii++) { 620 jj = MAX_NUM_PDGAINS_PER_CHANNEL - ii - 1; 621 /* work backwards 'cause highest pdGain for lowest power */ 622 numVpd = data->pDataPerPDGain[jj].numVpd; 623 if (numVpd > 0) { 624 Pmin = data->pDataPerPDGain[jj].pwr_t4[0]; 625 return(Pmin); 626 } 627 } 628 return(Pmin); 629 } 630 631 static int16_t 632 ar2316GetMaxPower(struct ath_hal *ah, const RAW_DATA_PER_CHANNEL_2316 *data) 633 { 634 uint32_t ii; 635 uint16_t Pmax=0,numVpd; 636 637 for (ii=0; ii< MAX_NUM_PDGAINS_PER_CHANNEL; ii++) { 638 /* work forwards cuase lowest pdGain for highest power */ 639 numVpd = data->pDataPerPDGain[ii].numVpd; 640 if (numVpd > 0) { 641 Pmax = data->pDataPerPDGain[ii].pwr_t4[numVpd-1]; 642 return(Pmax); 643 } 644 } 645 return(Pmax); 646 } 647 648 static HAL_BOOL 649 ar2316GetChannelMaxMinPower(struct ath_hal *ah, HAL_CHANNEL *chan, 650 int16_t *maxPow, int16_t *minPow) 651 { 652 const HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom; 653 const RAW_DATA_STRUCT_2316 *pRawDataset = AH_NULL; 654 const RAW_DATA_PER_CHANNEL_2316 *data=AH_NULL; 655 uint16_t numChannels; 656 int totalD,totalF, totalMin,last, i; 657 658 *maxPow = 0; 659 660 if (IS_CHAN_G(chan) || IS_CHAN_108G(chan)) 661 pRawDataset = &ee->ee_rawDataset2413[headerInfo11G]; 662 else if (IS_CHAN_B(chan)) 663 pRawDataset = &ee->ee_rawDataset2413[headerInfo11B]; 664 else 665 return(AH_FALSE); 666 667 numChannels = pRawDataset->numChannels; 668 data = pRawDataset->pDataPerChannel; 669 670 /* Make sure the channel is in the range of the TP values 671 * (freq piers) 672 */ 673 if (numChannels < 1) 674 return(AH_FALSE); 675 676 if ((chan->channel < data[0].channelValue) || 677 (chan->channel > data[numChannels-1].channelValue)) { 678 if (chan->channel < data[0].channelValue) { 679 *maxPow = ar2316GetMaxPower(ah, &data[0]); 680 *minPow = ar2316GetMinPower(ah, &data[0]); 681 return(AH_TRUE); 682 } else { 683 *maxPow = ar2316GetMaxPower(ah, &data[numChannels - 1]); 684 *minPow = ar2316GetMinPower(ah, &data[numChannels - 1]); 685 return(AH_TRUE); 686 } 687 } 688 689 /* Linearly interpolate the power value now */ 690 for (last=0,i=0; (i<numChannels) && (chan->channel > data[i].channelValue); 691 last = i++); 692 totalD = data[i].channelValue - data[last].channelValue; 693 if (totalD > 0) { 694 totalF = ar2316GetMaxPower(ah, &data[i]) - ar2316GetMaxPower(ah, &data[last]); 695 *maxPow = (int8_t) ((totalF*(chan->channel-data[last].channelValue) + 696 ar2316GetMaxPower(ah, &data[last])*totalD)/totalD); 697 totalMin = ar2316GetMinPower(ah, &data[i]) - ar2316GetMinPower(ah, &data[last]); 698 *minPow = (int8_t) ((totalMin*(chan->channel-data[last].channelValue) + 699 ar2316GetMinPower(ah, &data[last])*totalD)/totalD); 700 return(AH_TRUE); 701 } else { 702 if (chan->channel == data[i].channelValue) { 703 *maxPow = ar2316GetMaxPower(ah, &data[i]); 704 *minPow = ar2316GetMinPower(ah, &data[i]); 705 return(AH_TRUE); 706 } else 707 return(AH_FALSE); 708 } 709 } 710 711 /* 712 * Free memory for analog bank scratch buffers 713 */ 714 static void 715 ar2316RfDetach(struct ath_hal *ah) 716 { 717 struct ath_hal_5212 *ahp = AH5212(ah); 718 719 HALASSERT(ahp->ah_rfHal != AH_NULL); 720 ath_hal_free(ahp->ah_rfHal); 721 ahp->ah_rfHal = AH_NULL; 722 } 723 724 /* 725 * Allocate memory for private state. 726 * Scratch Buffer will be reinitialized every reset so no need to zero now 727 */ 728 static HAL_BOOL 729 ar2316RfAttach(struct ath_hal *ah, HAL_STATUS *status) 730 { 731 struct ath_hal_5212 *ahp = AH5212(ah); 732 struct ar2316State *priv; 733 734 HALASSERT(ah->ah_magic == AR5212_MAGIC); 735 736 HALASSERT(ahp->ah_rfHal == AH_NULL); 737 priv = ath_hal_malloc(sizeof(struct ar2316State)); 738 if (priv == AH_NULL) { 739 HALDEBUG(ah, HAL_DEBUG_ANY, 740 "%s: cannot allocate private state\n", __func__); 741 *status = HAL_ENOMEM; /* XXX */ 742 return AH_FALSE; 743 } 744 priv->base.rfDetach = ar2316RfDetach; 745 priv->base.writeRegs = ar2316WriteRegs; 746 priv->base.getRfBank = ar2316GetRfBank; 747 priv->base.setChannel = ar2316SetChannel; 748 priv->base.setRfRegs = ar2316SetRfRegs; 749 priv->base.setPowerTable = ar2316SetPowerTable; 750 priv->base.getChannelMaxMinPower = ar2316GetChannelMaxMinPower; 751 priv->base.getNfAdjust = ar5212GetNfAdjust; 752 753 ahp->ah_pcdacTable = priv->pcdacTable; 754 ahp->ah_pcdacTableSize = sizeof(priv->pcdacTable); 755 ahp->ah_rfHal = &priv->base; 756 757 ahp->ah_cwCalRequire = AH_TRUE; /* force initial cal */ 758 759 return AH_TRUE; 760 } 761 762 static HAL_BOOL 763 ar2316Probe(struct ath_hal *ah) 764 { 765 return IS_2316(ah); 766 } 767 AH_RF(RF2316, ar2316Probe, ar2316RfAttach); 768