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 1.3 2013/09/12 11:44:08 martin 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, 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; 314 315 if (numIntercepts < 2) 316 return AH_FALSE; 317 318 while (ii <= (uint16_t)(Pmax - Pmin)) { 319 GetLowerUpperIndex(currPwr, pwrList, numIntercepts, 320 &(idxL), &(idxR)); 321 if (idxR < 1) 322 idxR = 1; /* extrapolate below */ 323 if (idxL == (uint32_t)(numIntercepts - 1)) 324 idxL = numIntercepts - 2; /* extrapolate above */ 325 if (pwrList[idxL] == pwrList[idxR]) 326 kk = VpdList[idxL]; 327 else 328 kk = (uint16_t) 329 (((currPwr - pwrList[idxL])*VpdList[idxR]+ 330 (pwrList[idxR] - currPwr)*VpdList[idxL])/ 331 (pwrList[idxR] - pwrList[idxL])); 332 retVpdList[pdGainIdx][ii] = kk; 333 ii++; 334 currPwr += 2; /* half dB steps */ 335 } 336 337 return AH_TRUE; 338 } 339 340 /* 341 * Returns interpolated or the scaled up interpolated value 342 */ 343 static int16_t 344 interpolate_signed(uint16_t target, uint16_t srcLeft, uint16_t srcRight, 345 int16_t targetLeft, int16_t targetRight) 346 { 347 int16_t rv; 348 349 if (srcRight != srcLeft) { 350 rv = ((target - srcLeft)*targetRight + 351 (srcRight - target)*targetLeft) / (srcRight - srcLeft); 352 } else { 353 rv = targetLeft; 354 } 355 return rv; 356 } 357 358 /* 359 * Uses the data points read from EEPROM to reconstruct the pdadc power table 360 * Called by ar2316SetPowerTable() 361 */ 362 static int 363 ar2316getGainBoundariesAndPdadcsForPowers(struct ath_hal *ah, uint16_t channel, 364 const RAW_DATA_STRUCT_2316 *pRawDataset, 365 uint16_t pdGainOverlap_t2, 366 int16_t *pMinCalPower, uint16_t pPdGainBoundaries[], 367 uint16_t pPdGainValues[], uint16_t pPDADCValues[]) 368 { 369 struct ar2316State *priv = AR2316(ah); 370 #define VpdTable_L priv->vpdTable_L 371 #define VpdTable_R priv->vpdTable_R 372 #define VpdTable_I priv->vpdTable_I 373 uint32_t ii, jj, kk; 374 int32_t ss;/* potentially -ve index for taking care of pdGainOverlap */ 375 uint32_t idxL = 0, idxR = 0; 376 uint32_t numPdGainsUsed = 0; 377 /* 378 * If desired to support -ve power levels in future, just 379 * change pwr_I_0 to signed 5-bits. 380 */ 381 int16_t Pmin_t2[MAX_NUM_PDGAINS_PER_CHANNEL]; 382 /* to accomodate -ve power levels later on. */ 383 int16_t Pmax_t2[MAX_NUM_PDGAINS_PER_CHANNEL]; 384 /* to accomodate -ve power levels later on */ 385 uint16_t numVpd = 0; 386 uint16_t Vpd_step; 387 int16_t tmpVal ; 388 uint32_t sizeCurrVpdTable, maxIndex, tgtIndex; 389 390 /* Get upper lower index */ 391 GetLowerUpperIndex(channel, pRawDataset->pChannels, 392 pRawDataset->numChannels, &(idxL), &(idxR)); 393 394 for (ii = 0; ii < MAX_NUM_PDGAINS_PER_CHANNEL; ii++) { 395 jj = MAX_NUM_PDGAINS_PER_CHANNEL - ii - 1; 396 /* work backwards 'cause highest pdGain for lowest power */ 397 numVpd = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].numVpd; 398 if (numVpd > 0) { 399 pPdGainValues[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pd_gain; 400 Pmin_t2[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pwr_t4[0]; 401 if (Pmin_t2[numPdGainsUsed] >pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[0]) { 402 Pmin_t2[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[0]; 403 } 404 Pmin_t2[numPdGainsUsed] = (int16_t) 405 (Pmin_t2[numPdGainsUsed] / 2); 406 Pmax_t2[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pwr_t4[numVpd-1]; 407 if (Pmax_t2[numPdGainsUsed] > pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[numVpd-1]) 408 Pmax_t2[numPdGainsUsed] = 409 pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[numVpd-1]; 410 Pmax_t2[numPdGainsUsed] = (int16_t)(Pmax_t2[numPdGainsUsed] / 2); 411 ar2316FillVpdTable( 412 numPdGainsUsed, Pmin_t2[numPdGainsUsed], Pmax_t2[numPdGainsUsed], 413 &(pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pwr_t4[0]), 414 &(pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].Vpd[0]), numVpd, VpdTable_L 415 ); 416 ar2316FillVpdTable( 417 numPdGainsUsed, Pmin_t2[numPdGainsUsed], Pmax_t2[numPdGainsUsed], 418 &(pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[0]), 419 &(pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].Vpd[0]), numVpd, VpdTable_R 420 ); 421 for (kk = 0; kk < (uint16_t)(Pmax_t2[numPdGainsUsed] - Pmin_t2[numPdGainsUsed]); kk++) { 422 VpdTable_I[numPdGainsUsed][kk] = 423 interpolate_signed( 424 channel, pRawDataset->pChannels[idxL], pRawDataset->pChannels[idxR], 425 (int16_t)VpdTable_L[numPdGainsUsed][kk], (int16_t)VpdTable_R[numPdGainsUsed][kk]); 426 } 427 /* fill VpdTable_I for this pdGain */ 428 numPdGainsUsed++; 429 } 430 /* if this pdGain is used */ 431 } 432 433 *pMinCalPower = Pmin_t2[0]; 434 kk = 0; /* index for the final table */ 435 for (ii = 0; ii < numPdGainsUsed; ii++) { 436 if (ii == (numPdGainsUsed - 1)) 437 pPdGainBoundaries[ii] = Pmax_t2[ii] + 438 PD_GAIN_BOUNDARY_STRETCH_IN_HALF_DB; 439 else 440 pPdGainBoundaries[ii] = (uint16_t) 441 ((Pmax_t2[ii] + Pmin_t2[ii+1]) / 2 ); 442 if (pPdGainBoundaries[ii] > 63) { 443 HALDEBUG(ah, HAL_DEBUG_ANY, 444 "%s: clamp pPdGainBoundaries[%d] %d\n", 445 __func__, ii, pPdGainBoundaries[ii]);/*XXX*/ 446 pPdGainBoundaries[ii] = 63; 447 } 448 449 /* Find starting index for this pdGain */ 450 if (ii == 0) 451 ss = 0; /* for the first pdGain, start from index 0 */ 452 else 453 ss = (pPdGainBoundaries[ii-1] - Pmin_t2[ii]) - 454 pdGainOverlap_t2; 455 Vpd_step = (uint16_t)(VpdTable_I[ii][1] - VpdTable_I[ii][0]); 456 Vpd_step = (uint16_t)((Vpd_step < 1) ? 1 : Vpd_step); 457 /* 458 *-ve ss indicates need to extrapolate data below for this pdGain 459 */ 460 while (ss < 0) { 461 tmpVal = (int16_t)(VpdTable_I[ii][0] + ss*Vpd_step); 462 pPDADCValues[kk++] = (uint16_t)((tmpVal < 0) ? 0 : tmpVal); 463 ss++; 464 } 465 466 sizeCurrVpdTable = Pmax_t2[ii] - Pmin_t2[ii]; 467 tgtIndex = pPdGainBoundaries[ii] + pdGainOverlap_t2 - Pmin_t2[ii]; 468 maxIndex = (tgtIndex < sizeCurrVpdTable) ? tgtIndex : sizeCurrVpdTable; 469 470 while (ss < (int16_t)maxIndex) 471 pPDADCValues[kk++] = VpdTable_I[ii][ss++]; 472 473 Vpd_step = (uint16_t)(VpdTable_I[ii][sizeCurrVpdTable-1] - 474 VpdTable_I[ii][sizeCurrVpdTable-2]); 475 Vpd_step = (uint16_t)((Vpd_step < 1) ? 1 : Vpd_step); 476 /* 477 * for last gain, pdGainBoundary == Pmax_t2, so will 478 * have to extrapolate 479 */ 480 if (tgtIndex > maxIndex) { /* need to extrapolate above */ 481 while(ss < (int16_t)tgtIndex) { 482 tmpVal = (uint16_t) 483 (VpdTable_I[ii][sizeCurrVpdTable-1] + 484 (ss-maxIndex)*Vpd_step); 485 pPDADCValues[kk++] = (tmpVal > 127) ? 486 127 : tmpVal; 487 ss++; 488 } 489 } /* extrapolated above */ 490 } /* for all pdGainUsed */ 491 492 while (ii < MAX_NUM_PDGAINS_PER_CHANNEL) { 493 pPdGainBoundaries[ii] = pPdGainBoundaries[ii-1]; 494 ii++; 495 } 496 while (kk < 128) { 497 pPDADCValues[kk] = pPDADCValues[kk-1]; 498 kk++; 499 } 500 501 return numPdGainsUsed; 502 #undef VpdTable_L 503 #undef VpdTable_R 504 #undef VpdTable_I 505 } 506 507 static HAL_BOOL 508 ar2316SetPowerTable(struct ath_hal *ah, 509 int16_t *minPower, int16_t *maxPower, HAL_CHANNEL_INTERNAL *chan, 510 uint16_t *rfXpdGain) 511 { 512 struct ath_hal_5212 *ahp = AH5212(ah); 513 const HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom; 514 const RAW_DATA_STRUCT_2316 *pRawDataset = AH_NULL; 515 uint16_t pdGainOverlap_t2; 516 int16_t minCalPower2316_t2; 517 uint16_t *pdadcValues = ahp->ah_pcdacTable; 518 uint16_t gainBoundaries[4]; 519 uint32_t reg32, regoffset; 520 int i, numPdGainsUsed; 521 #ifndef AH_USE_INIPDGAIN 522 uint32_t tpcrg1; 523 #endif 524 525 HALDEBUG(ah, HAL_DEBUG_RFPARAM, "%s: chan 0x%x flag 0x%x\n", 526 __func__, chan->channel,chan->channelFlags); 527 528 if (IS_CHAN_G(chan) || IS_CHAN_108G(chan)) 529 pRawDataset = &ee->ee_rawDataset2413[headerInfo11G]; 530 else if (IS_CHAN_B(chan)) 531 pRawDataset = &ee->ee_rawDataset2413[headerInfo11B]; 532 else { 533 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: illegal mode\n", __func__); 534 return AH_FALSE; 535 } 536 537 pdGainOverlap_t2 = (uint16_t) SM(OS_REG_READ(ah, AR_PHY_TPCRG5), 538 AR_PHY_TPCRG5_PD_GAIN_OVERLAP); 539 540 numPdGainsUsed = ar2316getGainBoundariesAndPdadcsForPowers(ah, 541 chan->channel, pRawDataset, pdGainOverlap_t2, 542 &minCalPower2316_t2,gainBoundaries, rfXpdGain, pdadcValues); 543 HALASSERT(1 <= numPdGainsUsed && numPdGainsUsed <= 3); 544 545 #ifdef AH_USE_INIPDGAIN 546 /* 547 * Use pd_gains curve from eeprom; Atheros always uses 548 * the default curve from the ini file but some vendors 549 * (e.g. Zcomax) want to override this curve and not 550 * honoring their settings results in tx power 5dBm low. 551 */ 552 OS_REG_RMW_FIELD(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_NUM_PD_GAIN, 553 (pRawDataset->pDataPerChannel[0].numPdGains - 1)); 554 #else 555 tpcrg1 = OS_REG_READ(ah, AR_PHY_TPCRG1); 556 tpcrg1 = (tpcrg1 &~ AR_PHY_TPCRG1_NUM_PD_GAIN) 557 | SM(numPdGainsUsed-1, AR_PHY_TPCRG1_NUM_PD_GAIN); 558 switch (numPdGainsUsed) { 559 case 3: 560 tpcrg1 &= ~AR_PHY_TPCRG1_PDGAIN_SETTING3; 561 tpcrg1 |= SM(rfXpdGain[2], AR_PHY_TPCRG1_PDGAIN_SETTING3); 562 /* fall thru... */ 563 case 2: 564 tpcrg1 &= ~AR_PHY_TPCRG1_PDGAIN_SETTING2; 565 tpcrg1 |= SM(rfXpdGain[1], AR_PHY_TPCRG1_PDGAIN_SETTING2); 566 /* fall thru... */ 567 case 1: 568 tpcrg1 &= ~AR_PHY_TPCRG1_PDGAIN_SETTING1; 569 tpcrg1 |= SM(rfXpdGain[0], AR_PHY_TPCRG1_PDGAIN_SETTING1); 570 break; 571 } 572 #ifdef AH_DEBUG 573 if (tpcrg1 != OS_REG_READ(ah, AR_PHY_TPCRG1)) 574 HALDEBUG(ah, HAL_DEBUG_RFPARAM, "%s: using non-default " 575 "pd_gains (default 0x%x, calculated 0x%x)\n", 576 __func__, OS_REG_READ(ah, AR_PHY_TPCRG1), tpcrg1); 577 #endif 578 OS_REG_WRITE(ah, AR_PHY_TPCRG1, tpcrg1); 579 #endif 580 581 /* 582 * Note the pdadc table may not start at 0 dBm power, could be 583 * negative or greater than 0. Need to offset the power 584 * values by the amount of minPower for griffin 585 */ 586 if (minCalPower2316_t2 != 0) 587 ahp->ah_txPowerIndexOffset = (int16_t)(0 - minCalPower2316_t2); 588 else 589 ahp->ah_txPowerIndexOffset = 0; 590 591 /* Finally, write the power values into the baseband power table */ 592 regoffset = 0x9800 + (672 <<2); /* beginning of pdadc table in griffin */ 593 for (i = 0; i < 32; i++) { 594 reg32 = ((pdadcValues[4*i + 0] & 0xFF) << 0) | 595 ((pdadcValues[4*i + 1] & 0xFF) << 8) | 596 ((pdadcValues[4*i + 2] & 0xFF) << 16) | 597 ((pdadcValues[4*i + 3] & 0xFF) << 24) ; 598 OS_REG_WRITE(ah, regoffset, reg32); 599 regoffset += 4; 600 } 601 602 OS_REG_WRITE(ah, AR_PHY_TPCRG5, 603 SM(pdGainOverlap_t2, AR_PHY_TPCRG5_PD_GAIN_OVERLAP) | 604 SM(gainBoundaries[0], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_1) | 605 SM(gainBoundaries[1], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_2) | 606 SM(gainBoundaries[2], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_3) | 607 SM(gainBoundaries[3], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_4)); 608 609 return AH_TRUE; 610 } 611 612 static int16_t 613 ar2316GetMinPower(struct ath_hal *ah, const RAW_DATA_PER_CHANNEL_2316 *data) 614 { 615 uint32_t ii,jj; 616 uint16_t Pmin=0,numVpd; 617 618 for (ii = 0; ii < MAX_NUM_PDGAINS_PER_CHANNEL; ii++) { 619 jj = MAX_NUM_PDGAINS_PER_CHANNEL - ii - 1; 620 /* work backwards 'cause highest pdGain for lowest power */ 621 numVpd = data->pDataPerPDGain[jj].numVpd; 622 if (numVpd > 0) { 623 Pmin = data->pDataPerPDGain[jj].pwr_t4[0]; 624 return(Pmin); 625 } 626 } 627 return(Pmin); 628 } 629 630 static int16_t 631 ar2316GetMaxPower(struct ath_hal *ah, const RAW_DATA_PER_CHANNEL_2316 *data) 632 { 633 uint32_t ii; 634 uint16_t Pmax=0,numVpd; 635 636 for (ii=0; ii< MAX_NUM_PDGAINS_PER_CHANNEL; ii++) { 637 /* work forwards cuase lowest pdGain for highest power */ 638 numVpd = data->pDataPerPDGain[ii].numVpd; 639 if (numVpd > 0) { 640 Pmax = data->pDataPerPDGain[ii].pwr_t4[numVpd-1]; 641 return(Pmax); 642 } 643 } 644 return(Pmax); 645 } 646 647 static HAL_BOOL 648 ar2316GetChannelMaxMinPower(struct ath_hal *ah, HAL_CHANNEL *chan, 649 int16_t *maxPow, int16_t *minPow) 650 { 651 const HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom; 652 const RAW_DATA_STRUCT_2316 *pRawDataset = AH_NULL; 653 const RAW_DATA_PER_CHANNEL_2316 *data=AH_NULL; 654 uint16_t numChannels; 655 int totalD,totalF, totalMin,last, i; 656 657 *maxPow = 0; 658 659 if (IS_CHAN_G(chan) || IS_CHAN_108G(chan)) 660 pRawDataset = &ee->ee_rawDataset2413[headerInfo11G]; 661 else if (IS_CHAN_B(chan)) 662 pRawDataset = &ee->ee_rawDataset2413[headerInfo11B]; 663 else 664 return(AH_FALSE); 665 666 numChannels = pRawDataset->numChannels; 667 data = pRawDataset->pDataPerChannel; 668 669 /* Make sure the channel is in the range of the TP values 670 * (freq piers) 671 */ 672 if (numChannels < 1) 673 return(AH_FALSE); 674 675 if ((chan->channel < data[0].channelValue) || 676 (chan->channel > data[numChannels-1].channelValue)) { 677 if (chan->channel < data[0].channelValue) { 678 *maxPow = ar2316GetMaxPower(ah, &data[0]); 679 *minPow = ar2316GetMinPower(ah, &data[0]); 680 return(AH_TRUE); 681 } else { 682 *maxPow = ar2316GetMaxPower(ah, &data[numChannels - 1]); 683 *minPow = ar2316GetMinPower(ah, &data[numChannels - 1]); 684 return(AH_TRUE); 685 } 686 } 687 688 /* Linearly interpolate the power value now */ 689 for (last=0,i=0; (i<numChannels) && (chan->channel > data[i].channelValue); 690 last = i++); 691 totalD = data[i].channelValue - data[last].channelValue; 692 if (totalD > 0) { 693 totalF = ar2316GetMaxPower(ah, &data[i]) - ar2316GetMaxPower(ah, &data[last]); 694 *maxPow = (int8_t) ((totalF*(chan->channel-data[last].channelValue) + 695 ar2316GetMaxPower(ah, &data[last])*totalD)/totalD); 696 totalMin = ar2316GetMinPower(ah, &data[i]) - ar2316GetMinPower(ah, &data[last]); 697 *minPow = (int8_t) ((totalMin*(chan->channel-data[last].channelValue) + 698 ar2316GetMinPower(ah, &data[last])*totalD)/totalD); 699 return(AH_TRUE); 700 } else { 701 if (chan->channel == data[i].channelValue) { 702 *maxPow = ar2316GetMaxPower(ah, &data[i]); 703 *minPow = ar2316GetMinPower(ah, &data[i]); 704 return(AH_TRUE); 705 } else 706 return(AH_FALSE); 707 } 708 } 709 710 /* 711 * Free memory for analog bank scratch buffers 712 */ 713 static void 714 ar2316RfDetach(struct ath_hal *ah) 715 { 716 struct ath_hal_5212 *ahp = AH5212(ah); 717 718 HALASSERT(ahp->ah_rfHal != AH_NULL); 719 ath_hal_free(ahp->ah_rfHal); 720 ahp->ah_rfHal = AH_NULL; 721 } 722 723 /* 724 * Allocate memory for private state. 725 * Scratch Buffer will be reinitialized every reset so no need to zero now 726 */ 727 static HAL_BOOL 728 ar2316RfAttach(struct ath_hal *ah, HAL_STATUS *status) 729 { 730 struct ath_hal_5212 *ahp = AH5212(ah); 731 struct ar2316State *priv; 732 733 HALASSERT(ah->ah_magic == AR5212_MAGIC); 734 735 HALASSERT(ahp->ah_rfHal == AH_NULL); 736 priv = ath_hal_malloc(sizeof(struct ar2316State)); 737 if (priv == AH_NULL) { 738 HALDEBUG(ah, HAL_DEBUG_ANY, 739 "%s: cannot allocate private state\n", __func__); 740 *status = HAL_ENOMEM; /* XXX */ 741 return AH_FALSE; 742 } 743 priv->base.rfDetach = ar2316RfDetach; 744 priv->base.writeRegs = ar2316WriteRegs; 745 priv->base.getRfBank = ar2316GetRfBank; 746 priv->base.setChannel = ar2316SetChannel; 747 priv->base.setRfRegs = ar2316SetRfRegs; 748 priv->base.setPowerTable = ar2316SetPowerTable; 749 priv->base.getChannelMaxMinPower = ar2316GetChannelMaxMinPower; 750 priv->base.getNfAdjust = ar5212GetNfAdjust; 751 752 ahp->ah_pcdacTable = priv->pcdacTable; 753 ahp->ah_pcdacTableSize = sizeof(priv->pcdacTable); 754 ahp->ah_rfHal = &priv->base; 755 756 ahp->ah_cwCalRequire = AH_TRUE; /* force initial cal */ 757 758 return AH_TRUE; 759 } 760 761 static HAL_BOOL 762 ar2316Probe(struct ath_hal *ah) 763 { 764 return IS_2316(ah); 765 } 766 AH_RF(RF2316, ar2316Probe, ar2316RfAttach); 767
Indexes created Sat Oct 11 19:10:01 GMT 2025