1/* 2 * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting 3 * Copyright (c) 2002-2008 Atheros Communications, Inc. 4 * 5 * Permission to use, copy, modify, and/or distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 * 17 * $Id: ar2413.c,v 1.3 2013/09/12 12:04:37 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_2413 31#include "ar5212/ar5212.ini" 32 33#define N(a) (sizeof(a)/sizeof(a[0])) 34 35struct ar2413State { 36 RF_HAL_FUNCS base; /* public state, must be first */ 37 uint16_t pcdacTable[PWR_TABLE_SIZE_2413]; 38 39 uint32_t Bank1Data[N(ar5212Bank1_2413)]; 40 uint32_t Bank2Data[N(ar5212Bank2_2413)]; 41 uint32_t Bank3Data[N(ar5212Bank3_2413)]; 42 uint32_t Bank6Data[N(ar5212Bank6_2413)]; 43 uint32_t Bank7Data[N(ar5212Bank7_2413)]; 44 45 /* 46 * Private state for reduced stack usage. 47 */ 48 /* filled out Vpd table for all pdGains (chanL) */ 49 uint16_t vpdTable_L[MAX_NUM_PDGAINS_PER_CHANNEL] 50 [MAX_PWR_RANGE_IN_HALF_DB]; 51 /* filled out Vpd table for all pdGains (chanR) */ 52 uint16_t vpdTable_R[MAX_NUM_PDGAINS_PER_CHANNEL] 53 [MAX_PWR_RANGE_IN_HALF_DB]; 54 /* filled out Vpd table for all pdGains (interpolated) */ 55 uint16_t vpdTable_I[MAX_NUM_PDGAINS_PER_CHANNEL] 56 [MAX_PWR_RANGE_IN_HALF_DB]; 57}; 58#define AR2413(ah) ((struct ar2413State *) AH5212(ah)->ah_rfHal) 59 60extern void ar5212ModifyRfBuffer(uint32_t *rfBuf, uint32_t reg32, 61 uint32_t numBits, uint32_t firstBit, uint32_t column); 62 63static void 64ar2413WriteRegs(struct ath_hal *ah, u_int modesIndex, u_int freqIndex, 65 int writes) 66{ 67 HAL_INI_WRITE_ARRAY(ah, ar5212Modes_2413, modesIndex, writes); 68 HAL_INI_WRITE_ARRAY(ah, ar5212Common_2413, 1, writes); 69 HAL_INI_WRITE_ARRAY(ah, ar5212BB_RfGain_2413, freqIndex, writes); 70} 71 72/* 73 * Take the MHz channel value and set the Channel value 74 * 75 * ASSUMES: Writes enabled to analog bus 76 */ 77static HAL_BOOL 78ar2413SetChannel(struct ath_hal *ah, HAL_CHANNEL_INTERNAL *chan) 79{ 80 uint32_t channelSel = 0; 81 uint32_t bModeSynth = 0; 82 uint32_t aModeRefSel = 0; 83 uint32_t reg32 = 0; 84 uint16_t freq; 85 86 OS_MARK(ah, AH_MARK_SETCHANNEL, chan->channel); 87 88 if (chan->channel < 4800) { 89 uint32_t txctl; 90 91 if (((chan->channel - 2192) % 5) == 0) { 92 channelSel = ((chan->channel - 672) * 2 - 3040)/10; 93 bModeSynth = 0; 94 } else if (((chan->channel - 2224) % 5) == 0) { 95 channelSel = ((chan->channel - 704) * 2 - 3040) / 10; 96 bModeSynth = 1; 97 } else { 98 HALDEBUG(ah, HAL_DEBUG_ANY, 99 "%s: invalid channel %u MHz\n", 100 __func__, chan->channel); 101 return AH_FALSE; 102 } 103 104 channelSel = (channelSel << 2) & 0xff; 105 channelSel = ath_hal_reverseBits(channelSel, 8); 106 107 txctl = OS_REG_READ(ah, AR_PHY_CCK_TX_CTRL); 108 if (chan->channel == 2484) { 109 /* Enable channel spreading for channel 14 */ 110 OS_REG_WRITE(ah, AR_PHY_CCK_TX_CTRL, 111 txctl | AR_PHY_CCK_TX_CTRL_JAPAN); 112 } else { 113 OS_REG_WRITE(ah, AR_PHY_CCK_TX_CTRL, 114 txctl &~ AR_PHY_CCK_TX_CTRL_JAPAN); 115 } 116 } else if (((chan->channel % 5) == 2) && (chan->channel <= 5435)) { 117 freq = chan->channel - 2; /* Align to even 5MHz raster */ 118 channelSel = ath_hal_reverseBits( 119 (uint32_t)(((freq - 4800)*10)/25 + 1), 8); 120 aModeRefSel = ath_hal_reverseBits(0, 2); 121 } else if ((chan->channel % 20) == 0 && chan->channel >= 5120) { 122 channelSel = ath_hal_reverseBits( 123 ((chan->channel - 4800) / 20 << 2), 8); 124 aModeRefSel = ath_hal_reverseBits(3, 2); 125 } else if ((chan->channel % 10) == 0) { 126 channelSel = ath_hal_reverseBits( 127 ((chan->channel - 4800) / 10 << 1), 8); 128 aModeRefSel = ath_hal_reverseBits(2, 2); 129 } else if ((chan->channel % 5) == 0) { 130 channelSel = ath_hal_reverseBits( 131 (chan->channel - 4800) / 5, 8); 132 aModeRefSel = ath_hal_reverseBits(1, 2); 133 } else { 134 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid channel %u MHz\n", 135 __func__, chan->channel); 136 return AH_FALSE; 137 } 138 139 reg32 = (channelSel << 4) | (aModeRefSel << 2) | (bModeSynth << 1) | 140 (1 << 12) | 0x1; 141 OS_REG_WRITE(ah, AR_PHY(0x27), reg32 & 0xff); 142 143 reg32 >>= 8; 144 OS_REG_WRITE(ah, AR_PHY(0x36), reg32 & 0x7f); 145 146 AH_PRIVATE(ah)->ah_curchan = chan; 147 148 return AH_TRUE; 149} 150 151/* 152 * Reads EEPROM header info from device structure and programs 153 * all rf registers 154 * 155 * REQUIRES: Access to the analog rf device 156 */ 157static HAL_BOOL 158ar2413SetRfRegs(struct ath_hal *ah, HAL_CHANNEL_INTERNAL *chan, uint16_t modesIndex, uint16_t *rfXpdGain) 159{ 160#define RF_BANK_SETUP(_priv, _ix, _col) do { \ 161 int i; \ 162 for (i = 0; i < N(ar5212Bank##_ix##_2413); i++) \ 163 (_priv)->Bank##_ix##Data[i] = ar5212Bank##_ix##_2413[i][_col];\ 164} while (0) 165 struct ath_hal_5212 *ahp = AH5212(ah); 166 const HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom; 167 uint16_t ob2GHz = 0, db2GHz = 0; 168 struct ar2413State *priv = AR2413(ah); 169 int regWrites = 0; 170 171 HALDEBUG(ah, HAL_DEBUG_RFPARAM, 172 "%s: chan 0x%x flag 0x%x modesIndex 0x%x\n", 173 __func__, chan->channel, chan->channelFlags, modesIndex); 174 175 HALASSERT(priv); 176 177 /* Setup rf parameters */ 178 switch (chan->channelFlags & CHANNEL_ALL) { 179 case CHANNEL_B: 180 ob2GHz = ee->ee_obFor24; 181 db2GHz = ee->ee_dbFor24; 182 break; 183 case CHANNEL_G: 184 case CHANNEL_108G: 185 ob2GHz = ee->ee_obFor24g; 186 db2GHz = ee->ee_dbFor24g; 187 break; 188 default: 189 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid channel flags 0x%x\n", 190 __func__, chan->channelFlags); 191 return AH_FALSE; 192 } 193 194 /* Bank 1 Write */ 195 RF_BANK_SETUP(priv, 1, 1); 196 197 /* Bank 2 Write */ 198 RF_BANK_SETUP(priv, 2, modesIndex); 199 200 /* Bank 3 Write */ 201 RF_BANK_SETUP(priv, 3, modesIndex); 202 203 /* Bank 6 Write */ 204 RF_BANK_SETUP(priv, 6, modesIndex); 205 206 ar5212ModifyRfBuffer(priv->Bank6Data, ob2GHz, 3, 168, 0); 207 ar5212ModifyRfBuffer(priv->Bank6Data, db2GHz, 3, 165, 0); 208 209 /* Bank 7 Setup */ 210 RF_BANK_SETUP(priv, 7, modesIndex); 211 212 /* Write Analog registers */ 213 HAL_INI_WRITE_BANK(ah, ar5212Bank1_2413, priv->Bank1Data, regWrites); 214 HAL_INI_WRITE_BANK(ah, ar5212Bank2_2413, priv->Bank2Data, regWrites); 215 HAL_INI_WRITE_BANK(ah, ar5212Bank3_2413, priv->Bank3Data, regWrites); 216 HAL_INI_WRITE_BANK(ah, ar5212Bank6_2413, priv->Bank6Data, regWrites); 217 HAL_INI_WRITE_BANK(ah, ar5212Bank7_2413, priv->Bank7Data, regWrites); 218 219 /* Now that we have reprogrammed rfgain value, clear the flag. */ 220 ahp->ah_rfgainState = HAL_RFGAIN_INACTIVE; 221 222 return AH_TRUE; 223#undef RF_BANK_SETUP 224} 225 226/* 227 * Return a reference to the requested RF Bank. 228 */ 229static uint32_t * 230ar2413GetRfBank(struct ath_hal *ah, int bank) 231{ 232 struct ar2413State *priv = AR2413(ah); 233 234 HALASSERT(priv != AH_NULL); 235 switch (bank) { 236 case 1: return priv->Bank1Data; 237 case 2: return priv->Bank2Data; 238 case 3: return priv->Bank3Data; 239 case 6: return priv->Bank6Data; 240 case 7: return priv->Bank7Data; 241 } 242 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: unknown RF Bank %d requested\n", 243 __func__, bank); 244 return AH_NULL; 245} 246 247/* 248 * Return indices surrounding the value in sorted integer lists. 249 * 250 * NB: the input list is assumed to be sorted in ascending order 251 */ 252static void 253GetLowerUpperIndex(int16_t v, const uint16_t *lp, uint16_t listSize, 254 uint32_t *vlo, uint32_t *vhi) 255{ 256 int16_t target = v; 257 const uint16_t *ep = lp+listSize; 258 const uint16_t *tp; 259 260 /* 261 * Check first and last elements for out-of-bounds conditions. 262 */ 263 if (target < lp[0]) { 264 *vlo = *vhi = 0; 265 return; 266 } 267 if (target >= ep[-1]) { 268 *vlo = *vhi = listSize - 1; 269 return; 270 } 271 272 /* look for value being near or between 2 values in list */ 273 for (tp = lp; tp < ep; tp++) { 274 /* 275 * If value is close to the current value of the list 276 * then target is not between values, it is one of the values 277 */ 278 if (*tp == target) { 279 *vlo = *vhi = tp - (const uint16_t *) lp; 280 return; 281 } 282 /* 283 * Look for value being between current value and next value 284 * if so return these 2 values 285 */ 286 if (target < tp[1]) { 287 *vlo = tp - (const uint16_t *) lp; 288 *vhi = *vlo + 1; 289 return; 290 } 291 } 292} 293 294/* 295 * Fill the Vpdlist for indices Pmax-Pmin 296 */ 297static HAL_BOOL 298ar2413FillVpdTable(uint32_t pdGainIdx, int16_t Pmin, int16_t Pmax, 299 const int16_t *pwrList, const uint16_t *VpdList, 300 uint16_t numIntercepts, uint16_t retVpdList[][64]) 301{ 302 uint16_t ii, kk; 303 int16_t currPwr = (int16_t)(2*Pmin); 304 /* since Pmin is pwr*2 and pwrList is 4*pwr */ 305 uint32_t idxL = 0, idxR = 0; 306 307 ii = 0; 308 309 if (numIntercepts < 2) 310 return AH_FALSE; 311 312 while (ii <= (uint16_t)(Pmax - Pmin)) { 313 GetLowerUpperIndex(currPwr, (const uint16_t *) pwrList, 314 numIntercepts, &(idxL), &(idxR)); 315 if (idxR < 1) 316 idxR = 1; /* extrapolate below */ 317 if (idxL == (uint32_t)(numIntercepts - 1)) 318 idxL = numIntercepts - 2; /* extrapolate above */ 319 if (pwrList[idxL] == pwrList[idxR]) 320 kk = VpdList[idxL]; 321 else 322 kk = (uint16_t) 323 (((currPwr - pwrList[idxL])*VpdList[idxR]+ 324 (pwrList[idxR] - currPwr)*VpdList[idxL])/ 325 (pwrList[idxR] - pwrList[idxL])); 326 retVpdList[pdGainIdx][ii] = kk; 327 ii++; 328 currPwr += 2; /* half dB steps */ 329 } 330 331 return AH_TRUE; 332} 333 334/* 335 * Returns interpolated or the scaled up interpolated value 336 */ 337static int16_t 338interpolate_signed(uint16_t target, uint16_t srcLeft, uint16_t srcRight, 339 int16_t targetLeft, int16_t targetRight) 340{ 341 int16_t rv; 342 343 if (srcRight != srcLeft) { 344 rv = ((target - srcLeft)*targetRight + 345 (srcRight - target)*targetLeft) / (srcRight - srcLeft); 346 } else { 347 rv = targetLeft; 348 } 349 return rv; 350} 351 352/* 353 * Uses the data points read from EEPROM to reconstruct the pdadc power table 354 * Called by ar2413SetPowerTable() 355 */ 356static int 357ar2413getGainBoundariesAndPdadcsForPowers(struct ath_hal *ah, uint16_t channel, 358 const RAW_DATA_STRUCT_2413 *pRawDataset, 359 uint16_t pdGainOverlap_t2, 360 int16_t *pMinCalPower, uint16_t pPdGainBoundaries[], 361 uint16_t pPdGainValues[], uint16_t pPDADCValues[]) 362{ 363 struct ar2413State *priv = AR2413(ah); 364#define VpdTable_L priv->vpdTable_L 365#define VpdTable_R priv->vpdTable_R 366#define VpdTable_I priv->vpdTable_I 367 uint32_t ii, jj, kk; 368 int32_t ss;/* potentially -ve index for taking care of pdGainOverlap */ 369 uint32_t idxL = 0, idxR = 0; 370 uint32_t numPdGainsUsed = 0; 371 /* 372 * If desired to support -ve power levels in future, just 373 * change pwr_I_0 to signed 5-bits. 374 */ 375 int16_t Pmin_t2[MAX_NUM_PDGAINS_PER_CHANNEL]; 376 /* to accomodate -ve power levels later on. */ 377 int16_t Pmax_t2[MAX_NUM_PDGAINS_PER_CHANNEL]; 378 /* to accomodate -ve power levels later on */ 379 uint16_t numVpd = 0; 380 uint16_t Vpd_step; 381 int16_t tmpVal ; 382 uint32_t sizeCurrVpdTable, maxIndex, tgtIndex; 383 384 /* Get upper lower index */ 385 GetLowerUpperIndex(channel, pRawDataset->pChannels, 386 pRawDataset->numChannels, &(idxL), &(idxR)); 387 388 for (ii = 0; ii < MAX_NUM_PDGAINS_PER_CHANNEL; ii++) { 389 jj = MAX_NUM_PDGAINS_PER_CHANNEL - ii - 1; 390 /* work backwards 'cause highest pdGain for lowest power */ 391 numVpd = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].numVpd; 392 if (numVpd > 0) { 393 pPdGainValues[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pd_gain; 394 Pmin_t2[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pwr_t4[0]; 395 if (Pmin_t2[numPdGainsUsed] >pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[0]) { 396 Pmin_t2[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[0]; 397 } 398 Pmin_t2[numPdGainsUsed] = (int16_t) 399 (Pmin_t2[numPdGainsUsed] / 2); 400 Pmax_t2[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pwr_t4[numVpd-1]; 401 if (Pmax_t2[numPdGainsUsed] > pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[numVpd-1]) 402 Pmax_t2[numPdGainsUsed] = 403 pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[numVpd-1]; 404 Pmax_t2[numPdGainsUsed] = (int16_t)(Pmax_t2[numPdGainsUsed] / 2); 405 ar2413FillVpdTable( 406 numPdGainsUsed, Pmin_t2[numPdGainsUsed], Pmax_t2[numPdGainsUsed], 407 &(pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pwr_t4[0]), 408 &(pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].Vpd[0]), numVpd, VpdTable_L 409 ); 410 ar2413FillVpdTable( 411 numPdGainsUsed, Pmin_t2[numPdGainsUsed], Pmax_t2[numPdGainsUsed], 412 &(pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[0]), 413 &(pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].Vpd[0]), numVpd, VpdTable_R 414 ); 415 for (kk = 0; kk < (uint16_t)(Pmax_t2[numPdGainsUsed] - Pmin_t2[numPdGainsUsed]); kk++) { 416 VpdTable_I[numPdGainsUsed][kk] = 417 interpolate_signed( 418 channel, pRawDataset->pChannels[idxL], pRawDataset->pChannels[idxR], 419 (int16_t)VpdTable_L[numPdGainsUsed][kk], (int16_t)VpdTable_R[numPdGainsUsed][kk]); 420 } 421 /* fill VpdTable_I for this pdGain */ 422 numPdGainsUsed++; 423 } 424 /* if this pdGain is used */ 425 } 426 427 *pMinCalPower = Pmin_t2[0]; 428 kk = 0; /* index for the final table */ 429 for (ii = 0; ii < numPdGainsUsed; ii++) { 430 if (ii == (numPdGainsUsed - 1)) 431 pPdGainBoundaries[ii] = Pmax_t2[ii] + 432 PD_GAIN_BOUNDARY_STRETCH_IN_HALF_DB; 433 else 434 pPdGainBoundaries[ii] = (uint16_t) 435 ((Pmax_t2[ii] + Pmin_t2[ii+1]) / 2 ); 436 if (pPdGainBoundaries[ii] > 63) { 437 HALDEBUG(ah, HAL_DEBUG_ANY, 438 "%s: clamp pPdGainBoundaries[%d] %d\n", 439 __func__, ii, pPdGainBoundaries[ii]);/*XXX*/ 440 pPdGainBoundaries[ii] = 63; 441 } 442 443 /* Find starting index for this pdGain */ 444 if (ii == 0) 445 ss = 0; /* for the first pdGain, start from index 0 */ 446 else 447 ss = (pPdGainBoundaries[ii-1] - Pmin_t2[ii]) - 448 pdGainOverlap_t2; 449 Vpd_step = (uint16_t)(VpdTable_I[ii][1] - VpdTable_I[ii][0]); 450 Vpd_step = (uint16_t)((Vpd_step < 1) ? 1 : Vpd_step); 451 /* 452 *-ve ss indicates need to extrapolate data below for this pdGain 453 */ 454 while (ss < 0) { 455 tmpVal = (int16_t)(VpdTable_I[ii][0] + ss*Vpd_step); 456 pPDADCValues[kk++] = (uint16_t)((tmpVal < 0) ? 0 : tmpVal); 457 ss++; 458 } 459 460 sizeCurrVpdTable = Pmax_t2[ii] - Pmin_t2[ii]; 461 tgtIndex = pPdGainBoundaries[ii] + pdGainOverlap_t2 - Pmin_t2[ii]; 462 maxIndex = (tgtIndex < sizeCurrVpdTable) ? tgtIndex : sizeCurrVpdTable; 463 464 while (ss < (int16_t)maxIndex) 465 pPDADCValues[kk++] = VpdTable_I[ii][ss++]; 466 467 Vpd_step = (uint16_t)(VpdTable_I[ii][sizeCurrVpdTable-1] - 468 VpdTable_I[ii][sizeCurrVpdTable-2]); 469 Vpd_step = (uint16_t)((Vpd_step < 1) ? 1 : Vpd_step); 470 /* 471 * for last gain, pdGainBoundary == Pmax_t2, so will 472 * have to extrapolate 473 */ 474 if (tgtIndex > maxIndex) { /* need to extrapolate above */ 475 while(ss < (int16_t)tgtIndex) { 476 tmpVal = (uint16_t) 477 (VpdTable_I[ii][sizeCurrVpdTable-1] + 478 (ss-maxIndex)*Vpd_step); 479 pPDADCValues[kk++] = (tmpVal > 127) ? 480 127 : tmpVal; 481 ss++; 482 } 483 } /* extrapolated above */ 484 } /* for all pdGainUsed */ 485 486 while (ii < MAX_NUM_PDGAINS_PER_CHANNEL) { 487 pPdGainBoundaries[ii] = pPdGainBoundaries[ii-1]; 488 ii++; 489 } 490 while (kk < 128) { 491 pPDADCValues[kk] = pPDADCValues[kk-1]; 492 kk++; 493 } 494 495 return numPdGainsUsed; 496#undef VpdTable_L 497#undef VpdTable_R 498#undef VpdTable_I 499} 500 501static HAL_BOOL 502ar2413SetPowerTable(struct ath_hal *ah, 503 int16_t *minPower, int16_t *maxPower, HAL_CHANNEL_INTERNAL *chan, 504 uint16_t *rfXpdGain) 505{ 506 struct ath_hal_5212 *ahp = AH5212(ah); 507 const HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom; 508 const RAW_DATA_STRUCT_2413 *pRawDataset = AH_NULL; 509 uint16_t pdGainOverlap_t2; 510 int16_t minCalPower2413_t2; 511 uint16_t *pdadcValues = ahp->ah_pcdacTable; 512 uint16_t gainBoundaries[4]; 513 uint32_t reg32, regoffset; 514 int i, numPdGainsUsed; 515#ifndef AH_USE_INIPDGAIN 516 uint32_t tpcrg1; 517#endif 518 519 HALDEBUG(ah, HAL_DEBUG_RFPARAM, "%s: chan 0x%x flag 0x%x\n", 520 __func__, chan->channel,chan->channelFlags); 521 522 if (IS_CHAN_G(chan) || IS_CHAN_108G(chan)) 523 pRawDataset = &ee->ee_rawDataset2413[headerInfo11G]; 524 else if (IS_CHAN_B(chan)) 525 pRawDataset = &ee->ee_rawDataset2413[headerInfo11B]; 526 else { 527 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: illegal mode\n", __func__); 528 return AH_FALSE; 529 } 530 531 pdGainOverlap_t2 = (uint16_t) SM(OS_REG_READ(ah, AR_PHY_TPCRG5), 532 AR_PHY_TPCRG5_PD_GAIN_OVERLAP); 533 534 numPdGainsUsed = ar2413getGainBoundariesAndPdadcsForPowers(ah, 535 chan->channel, pRawDataset, pdGainOverlap_t2, 536 &minCalPower2413_t2,gainBoundaries, rfXpdGain, pdadcValues); 537 HALASSERT(1 <= numPdGainsUsed && numPdGainsUsed <= 3); 538 539#ifdef AH_USE_INIPDGAIN 540 /* 541 * Use pd_gains curve from eeprom; Atheros always uses 542 * the default curve from the ini file but some vendors 543 * (e.g. Zcomax) want to override this curve and not 544 * honoring their settings results in tx power 5dBm low. 545 */ 546 OS_REG_RMW_FIELD(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_NUM_PD_GAIN, 547 (pRawDataset->pDataPerChannel[0].numPdGains - 1)); 548#else 549 tpcrg1 = OS_REG_READ(ah, AR_PHY_TPCRG1); 550 tpcrg1 = (tpcrg1 &~ AR_PHY_TPCRG1_NUM_PD_GAIN) 551 | SM(numPdGainsUsed-1, AR_PHY_TPCRG1_NUM_PD_GAIN); 552 switch (numPdGainsUsed) { 553 case 3: 554 tpcrg1 &= ~AR_PHY_TPCRG1_PDGAIN_SETTING3; 555 tpcrg1 |= SM(rfXpdGain[2], AR_PHY_TPCRG1_PDGAIN_SETTING3); 556 /* fall thru... */ 557 case 2: 558 tpcrg1 &= ~AR_PHY_TPCRG1_PDGAIN_SETTING2; 559 tpcrg1 |= SM(rfXpdGain[1], AR_PHY_TPCRG1_PDGAIN_SETTING2); 560 /* fall thru... */ 561 case 1: 562 tpcrg1 &= ~AR_PHY_TPCRG1_PDGAIN_SETTING1; 563 tpcrg1 |= SM(rfXpdGain[0], AR_PHY_TPCRG1_PDGAIN_SETTING1); 564 break; 565 } 566#ifdef AH_DEBUG 567 if (tpcrg1 != OS_REG_READ(ah, AR_PHY_TPCRG1)) 568 HALDEBUG(ah, HAL_DEBUG_RFPARAM, "%s: using non-default " 569 "pd_gains (default 0x%x, calculated 0x%x)\n", 570 __func__, OS_REG_READ(ah, AR_PHY_TPCRG1), tpcrg1); 571#endif 572 OS_REG_WRITE(ah, AR_PHY_TPCRG1, tpcrg1); 573#endif 574 575 /* 576 * Note the pdadc table may not start at 0 dBm power, could be 577 * negative or greater than 0. Need to offset the power 578 * values by the amount of minPower for griffin 579 */ 580 if (minCalPower2413_t2 != 0) 581 ahp->ah_txPowerIndexOffset = (int16_t)(0 - minCalPower2413_t2); 582 else 583 ahp->ah_txPowerIndexOffset = 0; 584 585 /* Finally, write the power values into the baseband power table */ 586 regoffset = 0x9800 + (672 <<2); /* beginning of pdadc table in griffin */ 587 for (i = 0; i < 32; i++) { 588 reg32 = ((pdadcValues[4*i + 0] & 0xFF) << 0) | 589 ((pdadcValues[4*i + 1] & 0xFF) << 8) | 590 ((pdadcValues[4*i + 2] & 0xFF) << 16) | 591 ((pdadcValues[4*i + 3] & 0xFF) << 24) ; 592 OS_REG_WRITE(ah, regoffset, reg32); 593 regoffset += 4; 594 } 595 596 OS_REG_WRITE(ah, AR_PHY_TPCRG5, 597 SM(pdGainOverlap_t2, AR_PHY_TPCRG5_PD_GAIN_OVERLAP) | 598 SM(gainBoundaries[0], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_1) | 599 SM(gainBoundaries[1], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_2) | 600 SM(gainBoundaries[2], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_3) | 601 SM(gainBoundaries[3], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_4)); 602 603 return AH_TRUE; 604} 605 606static int16_t 607ar2413GetMinPower(struct ath_hal *ah, const RAW_DATA_PER_CHANNEL_2413 *data) 608{ 609 uint32_t ii,jj; 610 uint16_t Pmin=0,numVpd; 611 612 for (ii = 0; ii < MAX_NUM_PDGAINS_PER_CHANNEL; ii++) { 613 jj = MAX_NUM_PDGAINS_PER_CHANNEL - ii - 1; 614 /* work backwards 'cause highest pdGain for lowest power */ 615 numVpd = data->pDataPerPDGain[jj].numVpd; 616 if (numVpd > 0) { 617 Pmin = data->pDataPerPDGain[jj].pwr_t4[0]; 618 return(Pmin); 619 } 620 } 621 return(Pmin); 622} 623 624static int16_t 625ar2413GetMaxPower(struct ath_hal *ah, const RAW_DATA_PER_CHANNEL_2413 *data) 626{ 627 uint32_t ii; 628 uint16_t Pmax=0,numVpd; 629 630 for (ii=0; ii< MAX_NUM_PDGAINS_PER_CHANNEL; ii++) { 631 /* work forwards cuase lowest pdGain for highest power */ 632 numVpd = data->pDataPerPDGain[ii].numVpd; 633 if (numVpd > 0) { 634 Pmax = data->pDataPerPDGain[ii].pwr_t4[numVpd-1]; 635 return(Pmax); 636 } 637 } 638 return(Pmax); 639} 640 641static HAL_BOOL 642ar2413GetChannelMaxMinPower(struct ath_hal *ah, HAL_CHANNEL *chan, 643 int16_t *maxPow, int16_t *minPow) 644{ 645 const HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom; 646 const RAW_DATA_STRUCT_2413 *pRawDataset = AH_NULL; 647 const RAW_DATA_PER_CHANNEL_2413 *data = AH_NULL; 648 uint16_t numChannels; 649 int totalD,totalF, totalMin,last, i; 650 651 *maxPow = 0; 652 653 if (IS_CHAN_G(chan) || IS_CHAN_108G(chan)) 654 pRawDataset = &ee->ee_rawDataset2413[headerInfo11G]; 655 else if (IS_CHAN_B(chan)) 656 pRawDataset = &ee->ee_rawDataset2413[headerInfo11B]; 657 else 658 return(AH_FALSE); 659 660 numChannels = pRawDataset->numChannels; 661 data = pRawDataset->pDataPerChannel; 662 663 /* Make sure the channel is in the range of the TP values 664 * (freq piers) 665 */ 666 if (numChannels < 1) 667 return(AH_FALSE); 668 669 if ((chan->channel < data[0].channelValue) || 670 (chan->channel > data[numChannels-1].channelValue)) { 671 if (chan->channel < data[0].channelValue) { 672 *maxPow = ar2413GetMaxPower(ah, &data[0]); 673 *minPow = ar2413GetMinPower(ah, &data[0]); 674 return(AH_TRUE); 675 } else { 676 *maxPow = ar2413GetMaxPower(ah, &data[numChannels - 1]); 677 *minPow = ar2413GetMinPower(ah, &data[numChannels - 1]); 678 return(AH_TRUE); 679 } 680 } 681 682 /* Linearly interpolate the power value now */ 683 for (last=0,i=0; (i<numChannels) && (chan->channel > data[i].channelValue); 684 last = i++); 685 totalD = data[i].channelValue - data[last].channelValue; 686 if (totalD > 0) { 687 totalF = ar2413GetMaxPower(ah, &data[i]) - ar2413GetMaxPower(ah, &data[last]); 688 *maxPow = (int8_t) ((totalF*(chan->channel-data[last].channelValue) + 689 ar2413GetMaxPower(ah, &data[last])*totalD)/totalD); 690 totalMin = ar2413GetMinPower(ah, &data[i]) - ar2413GetMinPower(ah, &data[last]); 691 *minPow = (int8_t) ((totalMin*(chan->channel-data[last].channelValue) + 692 ar2413GetMinPower(ah, &data[last])*totalD)/totalD); 693 return(AH_TRUE); 694 } else { 695 if (chan->channel == data[i].channelValue) { 696 *maxPow = ar2413GetMaxPower(ah, &data[i]); 697 *minPow = ar2413GetMinPower(ah, &data[i]); 698 return(AH_TRUE); 699 } else 700 return(AH_FALSE); 701 } 702} 703 704/* 705 * Free memory for analog bank scratch buffers 706 */ 707static void 708ar2413RfDetach(struct ath_hal *ah) 709{ 710 struct ath_hal_5212 *ahp = AH5212(ah); 711 712 HALASSERT(ahp->ah_rfHal != AH_NULL); 713 ath_hal_free(ahp->ah_rfHal); 714 ahp->ah_rfHal = AH_NULL; 715} 716 717/* 718 * Allocate memory for analog bank scratch buffers 719 * Scratch Buffer will be reinitialized every reset so no need to zero now 720 */ 721static HAL_BOOL 722ar2413RfAttach(struct ath_hal *ah, HAL_STATUS *status) 723{ 724 struct ath_hal_5212 *ahp = AH5212(ah); 725 struct ar2413State *priv; 726 727 HALASSERT(ah->ah_magic == AR5212_MAGIC); 728 729 HALASSERT(ahp->ah_rfHal == AH_NULL); 730 priv = ath_hal_malloc(sizeof(struct ar2413State)); 731 if (priv == AH_NULL) { 732 HALDEBUG(ah, HAL_DEBUG_ANY, 733 "%s: cannot allocate private state\n", __func__); 734 *status = HAL_ENOMEM; /* XXX */ 735 return AH_FALSE; 736 } 737 priv->base.rfDetach = ar2413RfDetach; 738 priv->base.writeRegs = ar2413WriteRegs; 739 priv->base.getRfBank = ar2413GetRfBank; 740 priv->base.setChannel = ar2413SetChannel; 741 priv->base.setRfRegs = ar2413SetRfRegs; 742 priv->base.setPowerTable = ar2413SetPowerTable; 743 priv->base.getChannelMaxMinPower = ar2413GetChannelMaxMinPower; 744 priv->base.getNfAdjust = ar5212GetNfAdjust; 745 746 ahp->ah_pcdacTable = priv->pcdacTable; 747 ahp->ah_pcdacTableSize = sizeof(priv->pcdacTable); 748 ahp->ah_rfHal = &priv->base; 749 750 return AH_TRUE; 751} 752 753static HAL_BOOL 754ar2413Probe(struct ath_hal *ah) 755{ 756 return IS_2413(ah); 757} 758AH_RF(RF2413, ar2413Probe, ar2413RfAttach); 759