ar2316.c revision 185380
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 1.9 2008/11/15 22:15:46 sam Exp $ 18 */ 19#include "opt_ah.h" 20 21#ifdef AH_SUPPORT_2316 22 23#include "ah.h" 24#include "ah_internal.h" 25 26#include "ar5212/ar5212.h" 27#include "ar5212/ar5212reg.h" 28#include "ar5212/ar5212phy.h" 29 30#include "ah_eeprom_v3.h" 31 32#define AH_5212_2316 33#include "ar5212/ar5212.ini" 34 35#define N(a) (sizeof(a)/sizeof(a[0])) 36 37typedef RAW_DATA_STRUCT_2413 RAW_DATA_STRUCT_2316; 38typedef RAW_DATA_PER_CHANNEL_2413 RAW_DATA_PER_CHANNEL_2316; 39#define PWR_TABLE_SIZE_2316 PWR_TABLE_SIZE_2413 40 41struct ar2316State { 42 RF_HAL_FUNCS base; /* public state, must be first */ 43 uint16_t pcdacTable[PWR_TABLE_SIZE_2316]; 44 45 uint32_t Bank1Data[N(ar5212Bank1_2316)]; 46 uint32_t Bank2Data[N(ar5212Bank2_2316)]; 47 uint32_t Bank3Data[N(ar5212Bank3_2316)]; 48 uint32_t Bank6Data[N(ar5212Bank6_2316)]; 49 uint32_t Bank7Data[N(ar5212Bank7_2316)]; 50 51 /* 52 * Private state for reduced stack usage. 53 */ 54 /* filled out Vpd table for all pdGains (chanL) */ 55 uint16_t vpdTable_L[MAX_NUM_PDGAINS_PER_CHANNEL] 56 [MAX_PWR_RANGE_IN_HALF_DB]; 57 /* filled out Vpd table for all pdGains (chanR) */ 58 uint16_t vpdTable_R[MAX_NUM_PDGAINS_PER_CHANNEL] 59 [MAX_PWR_RANGE_IN_HALF_DB]; 60 /* filled out Vpd table for all pdGains (interpolated) */ 61 uint16_t vpdTable_I[MAX_NUM_PDGAINS_PER_CHANNEL] 62 [MAX_PWR_RANGE_IN_HALF_DB]; 63}; 64#define AR2316(ah) ((struct ar2316State *) AH5212(ah)->ah_rfHal) 65 66extern void ar5212ModifyRfBuffer(uint32_t *rfBuf, uint32_t reg32, 67 uint32_t numBits, uint32_t firstBit, uint32_t column); 68 69static void 70ar2316WriteRegs(struct ath_hal *ah, u_int modesIndex, u_int freqIndex, 71 int regWrites) 72{ 73 struct ath_hal_5212 *ahp = AH5212(ah); 74 75 HAL_INI_WRITE_ARRAY(ah, ar5212Modes_2316, modesIndex, regWrites); 76 HAL_INI_WRITE_ARRAY(ah, ar5212Common_2316, 1, regWrites); 77 HAL_INI_WRITE_ARRAY(ah, ar5212BB_RfGain_2316, freqIndex, regWrites); 78 79 /* For AP51 */ 80 if (!ahp->ah_cwCalRequire) { 81 OS_REG_WRITE(ah, 0xa358, (OS_REG_READ(ah, 0xa358) & ~0x2)); 82 } else { 83 ahp->ah_cwCalRequire = AH_FALSE; 84 } 85} 86 87/* 88 * Take the MHz channel value and set the Channel value 89 * 90 * ASSUMES: Writes enabled to analog bus 91 */ 92static HAL_BOOL 93ar2316SetChannel(struct ath_hal *ah, HAL_CHANNEL_INTERNAL *chan) 94{ 95 uint32_t channelSel = 0; 96 uint32_t bModeSynth = 0; 97 uint32_t aModeRefSel = 0; 98 uint32_t reg32 = 0; 99 100 OS_MARK(ah, AH_MARK_SETCHANNEL, chan->channel); 101 102 if (chan->channel < 4800) { 103 uint32_t txctl; 104 105 if (((chan->channel - 2192) % 5) == 0) { 106 channelSel = ((chan->channel - 672) * 2 - 3040)/10; 107 bModeSynth = 0; 108 } else if (((chan->channel - 2224) % 5) == 0) { 109 channelSel = ((chan->channel - 704) * 2 - 3040) / 10; 110 bModeSynth = 1; 111 } else { 112 HALDEBUG(ah, HAL_DEBUG_ANY, 113 "%s: invalid channel %u MHz\n", 114 __func__, chan->channel); 115 return AH_FALSE; 116 } 117 118 channelSel = (channelSel << 2) & 0xff; 119 channelSel = ath_hal_reverseBits(channelSel, 8); 120 121 txctl = OS_REG_READ(ah, AR_PHY_CCK_TX_CTRL); 122 if (chan->channel == 2484) { 123 /* Enable channel spreading for channel 14 */ 124 OS_REG_WRITE(ah, AR_PHY_CCK_TX_CTRL, 125 txctl | AR_PHY_CCK_TX_CTRL_JAPAN); 126 } else { 127 OS_REG_WRITE(ah, AR_PHY_CCK_TX_CTRL, 128 txctl &~ AR_PHY_CCK_TX_CTRL_JAPAN); 129 } 130 } else if ((chan->channel % 20) == 0 && chan->channel >= 5120) { 131 channelSel = ath_hal_reverseBits( 132 ((chan->channel - 4800) / 20 << 2), 8); 133 aModeRefSel = ath_hal_reverseBits(3, 2); 134 } else if ((chan->channel % 10) == 0) { 135 channelSel = ath_hal_reverseBits( 136 ((chan->channel - 4800) / 10 << 1), 8); 137 aModeRefSel = ath_hal_reverseBits(2, 2); 138 } else if ((chan->channel % 5) == 0) { 139 channelSel = ath_hal_reverseBits( 140 (chan->channel - 4800) / 5, 8); 141 aModeRefSel = ath_hal_reverseBits(1, 2); 142 } else { 143 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid channel %u MHz\n", 144 __func__, chan->channel); 145 return AH_FALSE; 146 } 147 148 reg32 = (channelSel << 4) | (aModeRefSel << 2) | (bModeSynth << 1) | 149 (1 << 12) | 0x1; 150 OS_REG_WRITE(ah, AR_PHY(0x27), reg32 & 0xff); 151 152 reg32 >>= 8; 153 OS_REG_WRITE(ah, AR_PHY(0x36), reg32 & 0x7f); 154 155 AH_PRIVATE(ah)->ah_curchan = chan; 156 return AH_TRUE; 157} 158 159/* 160 * Reads EEPROM header info from device structure and programs 161 * all rf registers 162 * 163 * REQUIRES: Access to the analog rf device 164 */ 165static HAL_BOOL 166ar2316SetRfRegs(struct ath_hal *ah, HAL_CHANNEL_INTERNAL *chan, uint16_t modesIndex, uint16_t *rfXpdGain) 167{ 168#define RF_BANK_SETUP(_priv, _ix, _col) do { \ 169 int i; \ 170 for (i = 0; i < N(ar5212Bank##_ix##_2316); i++) \ 171 (_priv)->Bank##_ix##Data[i] = ar5212Bank##_ix##_2316[i][_col];\ 172} while (0) 173 struct ath_hal_5212 *ahp = AH5212(ah); 174 const HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom; 175 uint16_t ob2GHz = 0, db2GHz = 0; 176 struct ar2316State *priv = AR2316(ah); 177 int regWrites = 0; 178 179 HALDEBUG(ah, HAL_DEBUG_RFPARAM, 180 "%s: chan 0x%x flag 0x%x modesIndex 0x%x\n", 181 __func__, chan->channel, chan->channelFlags, modesIndex); 182 183 HALASSERT(priv != AH_NULL); 184 185 /* Setup rf parameters */ 186 switch (chan->channelFlags & CHANNEL_ALL) { 187 case CHANNEL_B: 188 ob2GHz = ee->ee_obFor24; 189 db2GHz = ee->ee_dbFor24; 190 break; 191 case CHANNEL_G: 192 case CHANNEL_108G: 193 ob2GHz = ee->ee_obFor24g; 194 db2GHz = ee->ee_dbFor24g; 195 break; 196 default: 197 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid channel flags 0x%x\n", 198 __func__, chan->channelFlags); 199 return AH_FALSE; 200 } 201 202 /* Bank 1 Write */ 203 RF_BANK_SETUP(priv, 1, 1); 204 205 /* Bank 2 Write */ 206 RF_BANK_SETUP(priv, 2, modesIndex); 207 208 /* Bank 3 Write */ 209 RF_BANK_SETUP(priv, 3, modesIndex); 210 211 /* Bank 6 Write */ 212 RF_BANK_SETUP(priv, 6, modesIndex); 213 214 ar5212ModifyRfBuffer(priv->Bank6Data, ob2GHz, 3, 178, 0); 215 ar5212ModifyRfBuffer(priv->Bank6Data, db2GHz, 3, 175, 0); 216 217 /* Bank 7 Setup */ 218 RF_BANK_SETUP(priv, 7, modesIndex); 219 220 /* Write Analog registers */ 221 HAL_INI_WRITE_BANK(ah, ar5212Bank1_2316, priv->Bank1Data, regWrites); 222 HAL_INI_WRITE_BANK(ah, ar5212Bank2_2316, priv->Bank2Data, regWrites); 223 HAL_INI_WRITE_BANK(ah, ar5212Bank3_2316, priv->Bank3Data, regWrites); 224 HAL_INI_WRITE_BANK(ah, ar5212Bank6_2316, priv->Bank6Data, regWrites); 225 HAL_INI_WRITE_BANK(ah, ar5212Bank7_2316, priv->Bank7Data, regWrites); 226 227 /* Now that we have reprogrammed rfgain value, clear the flag. */ 228 ahp->ah_rfgainState = HAL_RFGAIN_INACTIVE; 229 230 return AH_TRUE; 231#undef RF_BANK_SETUP 232} 233 234/* 235 * Return a reference to the requested RF Bank. 236 */ 237static uint32_t * 238ar2316GetRfBank(struct ath_hal *ah, int bank) 239{ 240 struct ar2316State *priv = AR2316(ah); 241 242 HALASSERT(priv != AH_NULL); 243 switch (bank) { 244 case 1: return priv->Bank1Data; 245 case 2: return priv->Bank2Data; 246 case 3: return priv->Bank3Data; 247 case 6: return priv->Bank6Data; 248 case 7: return priv->Bank7Data; 249 } 250 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: unknown RF Bank %d requested\n", 251 __func__, bank); 252 return AH_NULL; 253} 254 255/* 256 * Return indices surrounding the value in sorted integer lists. 257 * 258 * NB: the input list is assumed to be sorted in ascending order 259 */ 260static void 261GetLowerUpperIndex(int16_t v, const uint16_t *lp, uint16_t listSize, 262 uint32_t *vlo, uint32_t *vhi) 263{ 264 int16_t target = v; 265 const int16_t *ep = lp+listSize; 266 const int16_t *tp; 267 268 /* 269 * Check first and last elements for out-of-bounds conditions. 270 */ 271 if (target < lp[0]) { 272 *vlo = *vhi = 0; 273 return; 274 } 275 if (target >= ep[-1]) { 276 *vlo = *vhi = listSize - 1; 277 return; 278 } 279 280 /* look for value being near or between 2 values in list */ 281 for (tp = lp; tp < ep; tp++) { 282 /* 283 * If value is close to the current value of the list 284 * then target is not between values, it is one of the values 285 */ 286 if (*tp == target) { 287 *vlo = *vhi = tp - (const int16_t *) lp; 288 return; 289 } 290 /* 291 * Look for value being between current value and next value 292 * if so return these 2 values 293 */ 294 if (target < tp[1]) { 295 *vlo = tp - (const int16_t *) lp; 296 *vhi = *vlo + 1; 297 return; 298 } 299 } 300} 301 302/* 303 * Fill the Vpdlist for indices Pmax-Pmin 304 */ 305static HAL_BOOL 306ar2316FillVpdTable(uint32_t pdGainIdx, int16_t Pmin, int16_t Pmax, 307 const int16_t *pwrList, const int16_t *VpdList, 308 uint16_t numIntercepts, uint16_t retVpdList[][64]) 309{ 310 uint16_t ii, jj, kk; 311 int16_t currPwr = (int16_t)(2*Pmin); 312 /* since Pmin is pwr*2 and pwrList is 4*pwr */ 313 uint32_t idxL, idxR; 314 315 ii = 0; 316 jj = 0; 317 318 if (numIntercepts < 2) 319 return AH_FALSE; 320 321 while (ii <= (uint16_t)(Pmax - Pmin)) { 322 GetLowerUpperIndex(currPwr, pwrList, numIntercepts, 323 &(idxL), &(idxR)); 324 if (idxR < 1) 325 idxR = 1; /* extrapolate below */ 326 if (idxL == (uint32_t)(numIntercepts - 1)) 327 idxL = numIntercepts - 2; /* extrapolate above */ 328 if (pwrList[idxL] == pwrList[idxR]) 329 kk = VpdList[idxL]; 330 else 331 kk = (uint16_t) 332 (((currPwr - pwrList[idxL])*VpdList[idxR]+ 333 (pwrList[idxR] - currPwr)*VpdList[idxL])/ 334 (pwrList[idxR] - pwrList[idxL])); 335 retVpdList[pdGainIdx][ii] = kk; 336 ii++; 337 currPwr += 2; /* half dB steps */ 338 } 339 340 return AH_TRUE; 341} 342 343/* 344 * Returns interpolated or the scaled up interpolated value 345 */ 346static int16_t 347interpolate_signed(uint16_t target, uint16_t srcLeft, uint16_t srcRight, 348 int16_t targetLeft, int16_t targetRight) 349{ 350 int16_t rv; 351 352 if (srcRight != srcLeft) { 353 rv = ((target - srcLeft)*targetRight + 354 (srcRight - target)*targetLeft) / (srcRight - srcLeft); 355 } else { 356 rv = targetLeft; 357 } 358 return rv; 359} 360 361/* 362 * Uses the data points read from EEPROM to reconstruct the pdadc power table 363 * Called by ar2316SetPowerTable() 364 */ 365static int 366ar2316getGainBoundariesAndPdadcsForPowers(struct ath_hal *ah, uint16_t channel, 367 const RAW_DATA_STRUCT_2316 *pRawDataset, 368 uint16_t pdGainOverlap_t2, 369 int16_t *pMinCalPower, uint16_t pPdGainBoundaries[], 370 uint16_t pPdGainValues[], uint16_t pPDADCValues[]) 371{ 372 struct ar2316State *priv = AR2316(ah); 373#define VpdTable_L priv->vpdTable_L 374#define VpdTable_R priv->vpdTable_R 375#define VpdTable_I priv->vpdTable_I 376 uint32_t ii, jj, kk; 377 int32_t ss;/* potentially -ve index for taking care of pdGainOverlap */ 378 uint32_t idxL, idxR; 379 uint32_t numPdGainsUsed = 0; 380 /* 381 * If desired to support -ve power levels in future, just 382 * change pwr_I_0 to signed 5-bits. 383 */ 384 int16_t Pmin_t2[MAX_NUM_PDGAINS_PER_CHANNEL]; 385 /* to accomodate -ve power levels later on. */ 386 int16_t Pmax_t2[MAX_NUM_PDGAINS_PER_CHANNEL]; 387 /* to accomodate -ve power levels later on */ 388 uint16_t numVpd = 0; 389 uint16_t Vpd_step; 390 int16_t tmpVal ; 391 uint32_t sizeCurrVpdTable, maxIndex, tgtIndex; 392 393 /* Get upper lower index */ 394 GetLowerUpperIndex(channel, pRawDataset->pChannels, 395 pRawDataset->numChannels, &(idxL), &(idxR)); 396 397 for (ii = 0; ii < MAX_NUM_PDGAINS_PER_CHANNEL; ii++) { 398 jj = MAX_NUM_PDGAINS_PER_CHANNEL - ii - 1; 399 /* work backwards 'cause highest pdGain for lowest power */ 400 numVpd = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].numVpd; 401 if (numVpd > 0) { 402 pPdGainValues[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pd_gain; 403 Pmin_t2[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pwr_t4[0]; 404 if (Pmin_t2[numPdGainsUsed] >pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[0]) { 405 Pmin_t2[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[0]; 406 } 407 Pmin_t2[numPdGainsUsed] = (int16_t) 408 (Pmin_t2[numPdGainsUsed] / 2); 409 Pmax_t2[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pwr_t4[numVpd-1]; 410 if (Pmax_t2[numPdGainsUsed] > pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[numVpd-1]) 411 Pmax_t2[numPdGainsUsed] = 412 pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[numVpd-1]; 413 Pmax_t2[numPdGainsUsed] = (int16_t)(Pmax_t2[numPdGainsUsed] / 2); 414 ar2316FillVpdTable( 415 numPdGainsUsed, Pmin_t2[numPdGainsUsed], Pmax_t2[numPdGainsUsed], 416 &(pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pwr_t4[0]), 417 &(pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].Vpd[0]), numVpd, VpdTable_L 418 ); 419 ar2316FillVpdTable( 420 numPdGainsUsed, Pmin_t2[numPdGainsUsed], Pmax_t2[numPdGainsUsed], 421 &(pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[0]), 422 &(pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].Vpd[0]), numVpd, VpdTable_R 423 ); 424 for (kk = 0; kk < (uint16_t)(Pmax_t2[numPdGainsUsed] - Pmin_t2[numPdGainsUsed]); kk++) { 425 VpdTable_I[numPdGainsUsed][kk] = 426 interpolate_signed( 427 channel, pRawDataset->pChannels[idxL], pRawDataset->pChannels[idxR], 428 (int16_t)VpdTable_L[numPdGainsUsed][kk], (int16_t)VpdTable_R[numPdGainsUsed][kk]); 429 } 430 /* fill VpdTable_I for this pdGain */ 431 numPdGainsUsed++; 432 } 433 /* if this pdGain is used */ 434 } 435 436 *pMinCalPower = Pmin_t2[0]; 437 kk = 0; /* index for the final table */ 438 for (ii = 0; ii < numPdGainsUsed; ii++) { 439 if (ii == (numPdGainsUsed - 1)) 440 pPdGainBoundaries[ii] = Pmax_t2[ii] + 441 PD_GAIN_BOUNDARY_STRETCH_IN_HALF_DB; 442 else 443 pPdGainBoundaries[ii] = (uint16_t) 444 ((Pmax_t2[ii] + Pmin_t2[ii+1]) / 2 ); 445 if (pPdGainBoundaries[ii] > 63) { 446 HALDEBUG(ah, HAL_DEBUG_ANY, 447 "%s: clamp pPdGainBoundaries[%d] %d\n", 448 __func__, ii, pPdGainBoundaries[ii]);/*XXX*/ 449 pPdGainBoundaries[ii] = 63; 450 } 451 452 /* Find starting index for this pdGain */ 453 if (ii == 0) 454 ss = 0; /* for the first pdGain, start from index 0 */ 455 else 456 ss = (pPdGainBoundaries[ii-1] - Pmin_t2[ii]) - 457 pdGainOverlap_t2; 458 Vpd_step = (uint16_t)(VpdTable_I[ii][1] - VpdTable_I[ii][0]); 459 Vpd_step = (uint16_t)((Vpd_step < 1) ? 1 : Vpd_step); 460 /* 461 *-ve ss indicates need to extrapolate data below for this pdGain 462 */ 463 while (ss < 0) { 464 tmpVal = (int16_t)(VpdTable_I[ii][0] + ss*Vpd_step); 465 pPDADCValues[kk++] = (uint16_t)((tmpVal < 0) ? 0 : tmpVal); 466 ss++; 467 } 468 469 sizeCurrVpdTable = Pmax_t2[ii] - Pmin_t2[ii]; 470 tgtIndex = pPdGainBoundaries[ii] + pdGainOverlap_t2 - Pmin_t2[ii]; 471 maxIndex = (tgtIndex < sizeCurrVpdTable) ? tgtIndex : sizeCurrVpdTable; 472 473 while (ss < (int16_t)maxIndex) 474 pPDADCValues[kk++] = VpdTable_I[ii][ss++]; 475 476 Vpd_step = (uint16_t)(VpdTable_I[ii][sizeCurrVpdTable-1] - 477 VpdTable_I[ii][sizeCurrVpdTable-2]); 478 Vpd_step = (uint16_t)((Vpd_step < 1) ? 1 : Vpd_step); 479 /* 480 * for last gain, pdGainBoundary == Pmax_t2, so will 481 * have to extrapolate 482 */ 483 if (tgtIndex > maxIndex) { /* need to extrapolate above */ 484 while(ss < (int16_t)tgtIndex) { 485 tmpVal = (uint16_t) 486 (VpdTable_I[ii][sizeCurrVpdTable-1] + 487 (ss-maxIndex)*Vpd_step); 488 pPDADCValues[kk++] = (tmpVal > 127) ? 489 127 : tmpVal; 490 ss++; 491 } 492 } /* extrapolated above */ 493 } /* for all pdGainUsed */ 494 495 while (ii < MAX_NUM_PDGAINS_PER_CHANNEL) { 496 pPdGainBoundaries[ii] = pPdGainBoundaries[ii-1]; 497 ii++; 498 } 499 while (kk < 128) { 500 pPDADCValues[kk] = pPDADCValues[kk-1]; 501 kk++; 502 } 503 504 return numPdGainsUsed; 505#undef VpdTable_L 506#undef VpdTable_R 507#undef VpdTable_I 508} 509 510static HAL_BOOL 511ar2316SetPowerTable(struct ath_hal *ah, 512 int16_t *minPower, int16_t *maxPower, HAL_CHANNEL_INTERNAL *chan, 513 uint16_t *rfXpdGain) 514{ 515 struct ath_hal_5212 *ahp = AH5212(ah); 516 const HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom; 517 const RAW_DATA_STRUCT_2316 *pRawDataset = AH_NULL; 518 uint16_t pdGainOverlap_t2; 519 int16_t minCalPower2316_t2; 520 uint16_t *pdadcValues = ahp->ah_pcdacTable; 521 uint16_t gainBoundaries[4]; 522 uint32_t reg32, regoffset; 523 int i, numPdGainsUsed; 524#ifndef AH_USE_INIPDGAIN 525 uint32_t tpcrg1; 526#endif 527 528 HALDEBUG(ah, HAL_DEBUG_RFPARAM, "%s: chan 0x%x flag 0x%x\n", 529 __func__, chan->channel,chan->channelFlags); 530 531 if (IS_CHAN_G(chan) || IS_CHAN_108G(chan)) 532 pRawDataset = &ee->ee_rawDataset2413[headerInfo11G]; 533 else if (IS_CHAN_B(chan)) 534 pRawDataset = &ee->ee_rawDataset2413[headerInfo11B]; 535 else { 536 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: illegal mode\n", __func__); 537 return AH_FALSE; 538 } 539 540 pdGainOverlap_t2 = (uint16_t) SM(OS_REG_READ(ah, AR_PHY_TPCRG5), 541 AR_PHY_TPCRG5_PD_GAIN_OVERLAP); 542 543 numPdGainsUsed = ar2316getGainBoundariesAndPdadcsForPowers(ah, 544 chan->channel, pRawDataset, pdGainOverlap_t2, 545 &minCalPower2316_t2,gainBoundaries, rfXpdGain, pdadcValues); 546 HALASSERT(1 <= numPdGainsUsed && numPdGainsUsed <= 3); 547 548#ifdef AH_USE_INIPDGAIN 549 /* 550 * Use pd_gains curve from eeprom; Atheros always uses 551 * the default curve from the ini file but some vendors 552 * (e.g. Zcomax) want to override this curve and not 553 * honoring their settings results in tx power 5dBm low. 554 */ 555 OS_REG_RMW_FIELD(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_NUM_PD_GAIN, 556 (pRawDataset->pDataPerChannel[0].numPdGains - 1)); 557#else 558 tpcrg1 = OS_REG_READ(ah, AR_PHY_TPCRG1); 559 tpcrg1 = (tpcrg1 &~ AR_PHY_TPCRG1_NUM_PD_GAIN) 560 | SM(numPdGainsUsed-1, AR_PHY_TPCRG1_NUM_PD_GAIN); 561 switch (numPdGainsUsed) { 562 case 3: 563 tpcrg1 &= ~AR_PHY_TPCRG1_PDGAIN_SETTING3; 564 tpcrg1 |= SM(rfXpdGain[2], AR_PHY_TPCRG1_PDGAIN_SETTING3); 565 /* fall thru... */ 566 case 2: 567 tpcrg1 &= ~AR_PHY_TPCRG1_PDGAIN_SETTING2; 568 tpcrg1 |= SM(rfXpdGain[1], AR_PHY_TPCRG1_PDGAIN_SETTING2); 569 /* fall thru... */ 570 case 1: 571 tpcrg1 &= ~AR_PHY_TPCRG1_PDGAIN_SETTING1; 572 tpcrg1 |= SM(rfXpdGain[0], AR_PHY_TPCRG1_PDGAIN_SETTING1); 573 break; 574 } 575#ifdef AH_DEBUG 576 if (tpcrg1 != OS_REG_READ(ah, AR_PHY_TPCRG1)) 577 HALDEBUG(ah, HAL_DEBUG_RFPARAM, "%s: using non-default " 578 "pd_gains (default 0x%x, calculated 0x%x)\n", 579 __func__, OS_REG_READ(ah, AR_PHY_TPCRG1), tpcrg1); 580#endif 581 OS_REG_WRITE(ah, AR_PHY_TPCRG1, tpcrg1); 582#endif 583 584 /* 585 * Note the pdadc table may not start at 0 dBm power, could be 586 * negative or greater than 0. Need to offset the power 587 * values by the amount of minPower for griffin 588 */ 589 if (minCalPower2316_t2 != 0) 590 ahp->ah_txPowerIndexOffset = (int16_t)(0 - minCalPower2316_t2); 591 else 592 ahp->ah_txPowerIndexOffset = 0; 593 594 /* Finally, write the power values into the baseband power table */ 595 regoffset = 0x9800 + (672 <<2); /* beginning of pdadc table in griffin */ 596 for (i = 0; i < 32; i++) { 597 reg32 = ((pdadcValues[4*i + 0] & 0xFF) << 0) | 598 ((pdadcValues[4*i + 1] & 0xFF) << 8) | 599 ((pdadcValues[4*i + 2] & 0xFF) << 16) | 600 ((pdadcValues[4*i + 3] & 0xFF) << 24) ; 601 OS_REG_WRITE(ah, regoffset, reg32); 602 regoffset += 4; 603 } 604 605 OS_REG_WRITE(ah, AR_PHY_TPCRG5, 606 SM(pdGainOverlap_t2, AR_PHY_TPCRG5_PD_GAIN_OVERLAP) | 607 SM(gainBoundaries[0], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_1) | 608 SM(gainBoundaries[1], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_2) | 609 SM(gainBoundaries[2], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_3) | 610 SM(gainBoundaries[3], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_4)); 611 612 return AH_TRUE; 613} 614 615static int16_t 616ar2316GetMinPower(struct ath_hal *ah, const RAW_DATA_PER_CHANNEL_2316 *data) 617{ 618 uint32_t ii,jj; 619 uint16_t Pmin=0,numVpd; 620 621 for (ii = 0; ii < MAX_NUM_PDGAINS_PER_CHANNEL; ii++) { 622 jj = MAX_NUM_PDGAINS_PER_CHANNEL - ii - 1; 623 /* work backwards 'cause highest pdGain for lowest power */ 624 numVpd = data->pDataPerPDGain[jj].numVpd; 625 if (numVpd > 0) { 626 Pmin = data->pDataPerPDGain[jj].pwr_t4[0]; 627 return(Pmin); 628 } 629 } 630 return(Pmin); 631} 632 633static int16_t 634ar2316GetMaxPower(struct ath_hal *ah, const RAW_DATA_PER_CHANNEL_2316 *data) 635{ 636 uint32_t ii; 637 uint16_t Pmax=0,numVpd; 638 639 for (ii=0; ii< MAX_NUM_PDGAINS_PER_CHANNEL; ii++) { 640 /* work forwards cuase lowest pdGain for highest power */ 641 numVpd = data->pDataPerPDGain[ii].numVpd; 642 if (numVpd > 0) { 643 Pmax = data->pDataPerPDGain[ii].pwr_t4[numVpd-1]; 644 return(Pmax); 645 } 646 } 647 return(Pmax); 648} 649 650static HAL_BOOL 651ar2316GetChannelMaxMinPower(struct ath_hal *ah, HAL_CHANNEL *chan, 652 int16_t *maxPow, int16_t *minPow) 653{ 654 const HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom; 655 const RAW_DATA_STRUCT_2316 *pRawDataset = AH_NULL; 656 const RAW_DATA_PER_CHANNEL_2316 *data=AH_NULL; 657 uint16_t numChannels; 658 int totalD,totalF, totalMin,last, i; 659 660 *maxPow = 0; 661 662 if (IS_CHAN_G(chan) || IS_CHAN_108G(chan)) 663 pRawDataset = &ee->ee_rawDataset2413[headerInfo11G]; 664 else if (IS_CHAN_B(chan)) 665 pRawDataset = &ee->ee_rawDataset2413[headerInfo11B]; 666 else 667 return(AH_FALSE); 668 669 numChannels = pRawDataset->numChannels; 670 data = pRawDataset->pDataPerChannel; 671 672 /* Make sure the channel is in the range of the TP values 673 * (freq piers) 674 */ 675 if (numChannels < 1) 676 return(AH_FALSE); 677 678 if ((chan->channel < data[0].channelValue) || 679 (chan->channel > data[numChannels-1].channelValue)) { 680 if (chan->channel < data[0].channelValue) { 681 *maxPow = ar2316GetMaxPower(ah, &data[0]); 682 *minPow = ar2316GetMinPower(ah, &data[0]); 683 return(AH_TRUE); 684 } else { 685 *maxPow = ar2316GetMaxPower(ah, &data[numChannels - 1]); 686 *minPow = ar2316GetMinPower(ah, &data[numChannels - 1]); 687 return(AH_TRUE); 688 } 689 } 690 691 /* Linearly interpolate the power value now */ 692 for (last=0,i=0; (i<numChannels) && (chan->channel > data[i].channelValue); 693 last = i++); 694 totalD = data[i].channelValue - data[last].channelValue; 695 if (totalD > 0) { 696 totalF = ar2316GetMaxPower(ah, &data[i]) - ar2316GetMaxPower(ah, &data[last]); 697 *maxPow = (int8_t) ((totalF*(chan->channel-data[last].channelValue) + 698 ar2316GetMaxPower(ah, &data[last])*totalD)/totalD); 699 totalMin = ar2316GetMinPower(ah, &data[i]) - ar2316GetMinPower(ah, &data[last]); 700 *minPow = (int8_t) ((totalMin*(chan->channel-data[last].channelValue) + 701 ar2316GetMinPower(ah, &data[last])*totalD)/totalD); 702 return(AH_TRUE); 703 } else { 704 if (chan->channel == data[i].channelValue) { 705 *maxPow = ar2316GetMaxPower(ah, &data[i]); 706 *minPow = ar2316GetMinPower(ah, &data[i]); 707 return(AH_TRUE); 708 } else 709 return(AH_FALSE); 710 } 711} 712 713/* 714 * Free memory for analog bank scratch buffers 715 */ 716static void 717ar2316RfDetach(struct ath_hal *ah) 718{ 719 struct ath_hal_5212 *ahp = AH5212(ah); 720 721 HALASSERT(ahp->ah_rfHal != AH_NULL); 722 ath_hal_free(ahp->ah_rfHal); 723 ahp->ah_rfHal = AH_NULL; 724} 725 726/* 727 * Allocate memory for private state. 728 * Scratch Buffer will be reinitialized every reset so no need to zero now 729 */ 730HAL_BOOL 731ar2316RfAttach(struct ath_hal *ah, HAL_STATUS *status) 732{ 733 struct ath_hal_5212 *ahp = AH5212(ah); 734 struct ar2316State *priv; 735 736 HALASSERT(ah->ah_magic == AR5212_MAGIC); 737 738 HALASSERT(ahp->ah_rfHal == AH_NULL); 739 priv = ath_hal_malloc(sizeof(struct ar2316State)); 740 if (priv == AH_NULL) { 741 HALDEBUG(ah, HAL_DEBUG_ANY, 742 "%s: cannot allocate private state\n", __func__); 743 *status = HAL_ENOMEM; /* XXX */ 744 return AH_FALSE; 745 } 746 priv->base.rfDetach = ar2316RfDetach; 747 priv->base.writeRegs = ar2316WriteRegs; 748 priv->base.getRfBank = ar2316GetRfBank; 749 priv->base.setChannel = ar2316SetChannel; 750 priv->base.setRfRegs = ar2316SetRfRegs; 751 priv->base.setPowerTable = ar2316SetPowerTable; 752 priv->base.getChannelMaxMinPower = ar2316GetChannelMaxMinPower; 753 priv->base.getNfAdjust = ar5212GetNfAdjust; 754 755 ahp->ah_pcdacTable = priv->pcdacTable; 756 ahp->ah_pcdacTableSize = sizeof(priv->pcdacTable); 757 ahp->ah_rfHal = &priv->base; 758 759 ahp->ah_cwCalRequire = AH_TRUE; /* force initial cal */ 760 761 return AH_TRUE; 762} 763#endif /* AH_SUPPORT_2316 */ 764