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 1.4 2013/09/12 12:03:33 martin Exp $ 18 */ 19#include "opt_ah.h" 20 21#include "ah.h" 22#include "ah_devid.h" 23#include "ah_internal.h" 24 25#include "ar5212/ar5212.h" 26#include "ar5212/ar5212reg.h" 27#include "ar5212/ar5212phy.h" 28 29#include "ah_eeprom_v3.h" 30 31#define AH_5212_2317 32#include "ar5212/ar5212.ini" 33 34#define N(a) (sizeof(a)/sizeof(a[0])) 35 36typedef RAW_DATA_STRUCT_2413 RAW_DATA_STRUCT_2317; 37typedef RAW_DATA_PER_CHANNEL_2413 RAW_DATA_PER_CHANNEL_2317; 38#define PWR_TABLE_SIZE_2317 PWR_TABLE_SIZE_2413 39 40struct ar2317State { 41 RF_HAL_FUNCS base; /* public state, must be first */ 42 uint16_t pcdacTable[PWR_TABLE_SIZE_2317]; 43 44 uint32_t Bank1Data[N(ar5212Bank1_2317)]; 45 uint32_t Bank2Data[N(ar5212Bank2_2317)]; 46 uint32_t Bank3Data[N(ar5212Bank3_2317)]; 47 uint32_t Bank6Data[N(ar5212Bank6_2317)]; 48 uint32_t Bank7Data[N(ar5212Bank7_2317)]; 49 50 /* 51 * Private state for reduced stack usage. 52 */ 53 /* filled out Vpd table for all pdGains (chanL) */ 54 uint16_t vpdTable_L[MAX_NUM_PDGAINS_PER_CHANNEL] 55 [MAX_PWR_RANGE_IN_HALF_DB]; 56 /* filled out Vpd table for all pdGains (chanR) */ 57 uint16_t vpdTable_R[MAX_NUM_PDGAINS_PER_CHANNEL] 58 [MAX_PWR_RANGE_IN_HALF_DB]; 59 /* filled out Vpd table for all pdGains (interpolated) */ 60 uint16_t vpdTable_I[MAX_NUM_PDGAINS_PER_CHANNEL] 61 [MAX_PWR_RANGE_IN_HALF_DB]; 62}; 63#define AR2317(ah) ((struct ar2317State *) AH5212(ah)->ah_rfHal) 64 65extern void ar5212ModifyRfBuffer(uint32_t *rfBuf, uint32_t reg32, 66 uint32_t numBits, uint32_t firstBit, uint32_t column); 67 68static void 69ar2317WriteRegs(struct ath_hal *ah, u_int modesIndex, u_int freqIndex, 70 int writes) 71{ 72 HAL_INI_WRITE_ARRAY(ah, ar5212Modes_2317, modesIndex, writes); 73 HAL_INI_WRITE_ARRAY(ah, ar5212Common_2317, 1, writes); 74 HAL_INI_WRITE_ARRAY(ah, ar5212BB_RfGain_2317, freqIndex, writes); 75} 76 77/* 78 * Take the MHz channel value and set the Channel value 79 * 80 * ASSUMES: Writes enabled to analog bus 81 */ 82static HAL_BOOL 83ar2317SetChannel(struct ath_hal *ah, HAL_CHANNEL_INTERNAL *chan) 84{ 85 uint32_t channelSel = 0; 86 uint32_t bModeSynth = 0; 87 uint32_t aModeRefSel = 0; 88 uint32_t reg32 = 0; 89 90 OS_MARK(ah, AH_MARK_SETCHANNEL, chan->channel); 91 92 if (chan->channel < 4800) { 93 uint32_t txctl; 94 channelSel = chan->channel - 2272 ; 95 channelSel = ath_hal_reverseBits(channelSel, 8); 96 97 txctl = OS_REG_READ(ah, AR_PHY_CCK_TX_CTRL); 98 if (chan->channel == 2484) { 99 /* Enable channel spreading for channel 14 */ 100 OS_REG_WRITE(ah, AR_PHY_CCK_TX_CTRL, 101 txctl | AR_PHY_CCK_TX_CTRL_JAPAN); 102 } else { 103 OS_REG_WRITE(ah, AR_PHY_CCK_TX_CTRL, 104 txctl &~ AR_PHY_CCK_TX_CTRL_JAPAN); 105 } 106 } else if ((chan->channel % 20) == 0 && chan->channel >= 5120) { 107 channelSel = ath_hal_reverseBits( 108 ((chan->channel - 4800) / 20 << 2), 8); 109 aModeRefSel = ath_hal_reverseBits(3, 2); 110 } else if ((chan->channel % 10) == 0) { 111 channelSel = ath_hal_reverseBits( 112 ((chan->channel - 4800) / 10 << 1), 8); 113 aModeRefSel = ath_hal_reverseBits(2, 2); 114 } else if ((chan->channel % 5) == 0) { 115 channelSel = ath_hal_reverseBits( 116 (chan->channel - 4800) / 5, 8); 117 aModeRefSel = ath_hal_reverseBits(1, 2); 118 } else { 119 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid channel %u MHz\n", 120 __func__, chan->channel); 121 return AH_FALSE; 122 } 123 124 reg32 = (channelSel << 4) | (aModeRefSel << 2) | (bModeSynth << 1) | 125 (1 << 12) | 0x1; 126 OS_REG_WRITE(ah, AR_PHY(0x27), reg32 & 0xff); 127 128 reg32 >>= 8; 129 OS_REG_WRITE(ah, AR_PHY(0x36), reg32 & 0x7f); 130 131 AH_PRIVATE(ah)->ah_curchan = chan; 132 return AH_TRUE; 133} 134 135/* 136 * Reads EEPROM header info from device structure and programs 137 * all rf registers 138 * 139 * REQUIRES: Access to the analog rf device 140 */ 141static HAL_BOOL 142ar2317SetRfRegs(struct ath_hal *ah, HAL_CHANNEL_INTERNAL *chan, uint16_t modesIndex, uint16_t *rfXpdGain) 143{ 144#define RF_BANK_SETUP(_priv, _ix, _col) do { \ 145 int i; \ 146 for (i = 0; i < N(ar5212Bank##_ix##_2317); i++) \ 147 (_priv)->Bank##_ix##Data[i] = ar5212Bank##_ix##_2317[i][_col];\ 148} while (0) 149 struct ath_hal_5212 *ahp = AH5212(ah); 150 const HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom; 151 uint16_t ob2GHz = 0, db2GHz = 0; 152 struct ar2317State *priv = AR2317(ah); 153 int regWrites = 0; 154 155 HALDEBUG(ah, HAL_DEBUG_RFPARAM, 156 "%s: chan 0x%x flag 0x%x modesIndex 0x%x\n", 157 __func__, chan->channel, chan->channelFlags, modesIndex); 158 159 HALASSERT(priv); 160 161 /* Setup rf parameters */ 162 switch (chan->channelFlags & CHANNEL_ALL) { 163 case CHANNEL_B: 164 ob2GHz = ee->ee_obFor24; 165 db2GHz = ee->ee_dbFor24; 166 break; 167 case CHANNEL_G: 168 case CHANNEL_108G: 169 ob2GHz = ee->ee_obFor24g; 170 db2GHz = ee->ee_dbFor24g; 171 break; 172 default: 173 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid channel flags 0x%x\n", 174 __func__, chan->channelFlags); 175 return AH_FALSE; 176 } 177 178 /* Bank 1 Write */ 179 RF_BANK_SETUP(priv, 1, 1); 180 181 /* Bank 2 Write */ 182 RF_BANK_SETUP(priv, 2, modesIndex); 183 184 /* Bank 3 Write */ 185 RF_BANK_SETUP(priv, 3, modesIndex); 186 187 /* Bank 6 Write */ 188 RF_BANK_SETUP(priv, 6, modesIndex); 189 190 ar5212ModifyRfBuffer(priv->Bank6Data, ob2GHz, 3, 193, 0); 191 ar5212ModifyRfBuffer(priv->Bank6Data, db2GHz, 3, 190, 0); 192 193 /* Bank 7 Setup */ 194 RF_BANK_SETUP(priv, 7, modesIndex); 195 196 /* Write Analog registers */ 197 HAL_INI_WRITE_BANK(ah, ar5212Bank1_2317, priv->Bank1Data, regWrites); 198 HAL_INI_WRITE_BANK(ah, ar5212Bank2_2317, priv->Bank2Data, regWrites); 199 HAL_INI_WRITE_BANK(ah, ar5212Bank3_2317, priv->Bank3Data, regWrites); 200 HAL_INI_WRITE_BANK(ah, ar5212Bank6_2317, priv->Bank6Data, regWrites); 201 HAL_INI_WRITE_BANK(ah, ar5212Bank7_2317, priv->Bank7Data, regWrites); 202 /* Now that we have reprogrammed rfgain value, clear the flag. */ 203 ahp->ah_rfgainState = HAL_RFGAIN_INACTIVE; 204 205 return AH_TRUE; 206#undef RF_BANK_SETUP 207} 208 209/* 210 * Return a reference to the requested RF Bank. 211 */ 212static uint32_t * 213ar2317GetRfBank(struct ath_hal *ah, int bank) 214{ 215 struct ar2317State *priv = AR2317(ah); 216 217 HALASSERT(priv != AH_NULL); 218 switch (bank) { 219 case 1: return priv->Bank1Data; 220 case 2: return priv->Bank2Data; 221 case 3: return priv->Bank3Data; 222 case 6: return priv->Bank6Data; 223 case 7: return priv->Bank7Data; 224 } 225 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: unknown RF Bank %d requested\n", 226 __func__, bank); 227 return AH_NULL; 228} 229 230/* 231 * Return indices surrounding the value in sorted integer lists. 232 * 233 * NB: the input list is assumed to be sorted in ascending order 234 */ 235static void 236GetLowerUpperIndex(int16_t v, const uint16_t *lp, uint16_t listSize, 237 uint32_t *vlo, uint32_t *vhi) 238{ 239 int16_t target = v; 240 const int16_t *ep = lp+listSize; 241 const int16_t *tp; 242 243 /* 244 * Check first and last elements for out-of-bounds conditions. 245 */ 246 if (target < lp[0]) { 247 *vlo = *vhi = 0; 248 return; 249 } 250 if (target >= ep[-1]) { 251 *vlo = *vhi = listSize - 1; 252 return; 253 } 254 255 /* look for value being near or between 2 values in list */ 256 for (tp = lp; tp < ep; tp++) { 257 /* 258 * If value is close to the current value of the list 259 * then target is not between values, it is one of the values 260 */ 261 if (*tp == target) { 262 *vlo = *vhi = tp - (const int16_t *) lp; 263 return; 264 } 265 /* 266 * Look for value being between current value and next value 267 * if so return these 2 values 268 */ 269 if (target < tp[1]) { 270 *vlo = tp - (const int16_t *) lp; 271 *vhi = *vlo + 1; 272 return; 273 } 274 } 275} 276 277/* 278 * Fill the Vpdlist for indices Pmax-Pmin 279 */ 280static HAL_BOOL 281ar2317FillVpdTable(uint32_t pdGainIdx, int16_t Pmin, int16_t Pmax, 282 const int16_t *pwrList, const int16_t *VpdList, 283 uint16_t numIntercepts, uint16_t retVpdList[][64]) 284{ 285 uint16_t ii, kk; 286 int16_t currPwr = (int16_t)(2*Pmin); 287 /* since Pmin is pwr*2 and pwrList is 4*pwr */ 288 uint32_t idxL = 0, idxR = 0; 289 290 ii = 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 */ 320static int16_t 321interpolate_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 */ 339static int 340ar2317getGainBoundariesAndPdadcsForPowers(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 = 0, idxR = 0; 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 485static HAL_BOOL 486ar2317SetPowerTable(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 590static int16_t 591ar2317GetMinPower(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 608static int16_t 609ar2317GetMaxPower(struct ath_hal *ah, const RAW_DATA_PER_CHANNEL_2317 *data) 610{ 611 uint32_t ii; 612 uint16_t Pmax=0,numVpd; 613 614 for (ii=0; ii< MAX_NUM_PDGAINS_PER_CHANNEL; ii++) { 615 /* work forwards cuase lowest pdGain for highest power */ 616 numVpd = data->pDataPerPDGain[ii].numVpd; 617 if (numVpd > 0) { 618 Pmax = data->pDataPerPDGain[ii].pwr_t4[numVpd-1]; 619 return(Pmax); 620 } 621 } 622 return(Pmax); 623} 624 625static HAL_BOOL 626ar2317GetChannelMaxMinPower(struct ath_hal *ah, HAL_CHANNEL *chan, 627 int16_t *maxPow, int16_t *minPow) 628{ 629 const HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom; 630 const RAW_DATA_STRUCT_2317 *pRawDataset = AH_NULL; 631 const RAW_DATA_PER_CHANNEL_2317 *data=AH_NULL; 632 uint16_t numChannels; 633 int totalD,totalF, totalMin,last, i; 634 635 *maxPow = 0; 636 637 if (IS_CHAN_G(chan) || IS_CHAN_108G(chan)) 638 pRawDataset = &ee->ee_rawDataset2413[headerInfo11G]; 639 else if (IS_CHAN_B(chan)) 640 pRawDataset = &ee->ee_rawDataset2413[headerInfo11B]; 641 else 642 return(AH_FALSE); 643 644 numChannels = pRawDataset->numChannels; 645 data = pRawDataset->pDataPerChannel; 646 647 /* Make sure the channel is in the range of the TP values 648 * (freq piers) 649 */ 650 if (numChannels < 1) 651 return(AH_FALSE); 652 653 if ((chan->channel < data[0].channelValue) || 654 (chan->channel > data[numChannels-1].channelValue)) { 655 if (chan->channel < data[0].channelValue) { 656 *maxPow = ar2317GetMaxPower(ah, &data[0]); 657 *minPow = ar2317GetMinPower(ah, &data[0]); 658 return(AH_TRUE); 659 } else { 660 *maxPow = ar2317GetMaxPower(ah, &data[numChannels - 1]); 661 *minPow = ar2317GetMinPower(ah, &data[numChannels - 1]); 662 return(AH_TRUE); 663 } 664 } 665 666 /* Linearly interpolate the power value now */ 667 for (last=0,i=0; (i<numChannels) && (chan->channel > data[i].channelValue); 668 last = i++); 669 totalD = data[i].channelValue - data[last].channelValue; 670 if (totalD > 0) { 671 totalF = ar2317GetMaxPower(ah, &data[i]) - ar2317GetMaxPower(ah, &data[last]); 672 *maxPow = (int8_t) ((totalF*(chan->channel-data[last].channelValue) + 673 ar2317GetMaxPower(ah, &data[last])*totalD)/totalD); 674 totalMin = ar2317GetMinPower(ah, &data[i]) - ar2317GetMinPower(ah, &data[last]); 675 *minPow = (int8_t) ((totalMin*(chan->channel-data[last].channelValue) + 676 ar2317GetMinPower(ah, &data[last])*totalD)/totalD); 677 return(AH_TRUE); 678 } else { 679 if (chan->channel == data[i].channelValue) { 680 *maxPow = ar2317GetMaxPower(ah, &data[i]); 681 *minPow = ar2317GetMinPower(ah, &data[i]); 682 return(AH_TRUE); 683 } else 684 return(AH_FALSE); 685 } 686} 687 688/* 689 * Free memory for analog bank scratch buffers 690 */ 691static void 692ar2317RfDetach(struct ath_hal *ah) 693{ 694 struct ath_hal_5212 *ahp = AH5212(ah); 695 696 HALASSERT(ahp->ah_rfHal != AH_NULL); 697 ath_hal_free(ahp->ah_rfHal); 698 ahp->ah_rfHal = AH_NULL; 699} 700 701/* 702 * Allocate memory for analog bank scratch buffers 703 * Scratch Buffer will be reinitialized every reset so no need to zero now 704 */ 705static HAL_BOOL 706ar2317RfAttach(struct ath_hal *ah, HAL_STATUS *status) 707{ 708 struct ath_hal_5212 *ahp = AH5212(ah); 709 struct ar2317State *priv; 710 711 HALASSERT(ah->ah_magic == AR5212_MAGIC); 712 713 HALASSERT(ahp->ah_rfHal == AH_NULL); 714 priv = ath_hal_malloc(sizeof(struct ar2317State)); 715 if (priv == AH_NULL) { 716 HALDEBUG(ah, HAL_DEBUG_ANY, 717 "%s: cannot allocate private state\n", __func__); 718 *status = HAL_ENOMEM; /* XXX */ 719 return AH_FALSE; 720 } 721 priv->base.rfDetach = ar2317RfDetach; 722 priv->base.writeRegs = ar2317WriteRegs; 723 priv->base.getRfBank = ar2317GetRfBank; 724 priv->base.setChannel = ar2317SetChannel; 725 priv->base.setRfRegs = ar2317SetRfRegs; 726 priv->base.setPowerTable = ar2317SetPowerTable; 727 priv->base.getChannelMaxMinPower = ar2317GetChannelMaxMinPower; 728 priv->base.getNfAdjust = ar5212GetNfAdjust; 729 730 ahp->ah_pcdacTable = priv->pcdacTable; 731 ahp->ah_pcdacTableSize = sizeof(priv->pcdacTable); 732 ahp->ah_rfHal = &priv->base; 733 734 return AH_TRUE; 735} 736 737static HAL_BOOL 738ar2317Probe(struct ath_hal *ah) 739{ 740 return IS_2317(ah); 741} 742AH_RF(RF2317, ar2317Probe, ar2317RfAttach); 743