1185377Ssam/* 2187831Ssam * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 3185377Ssam * Copyright (c) 2002-2008 Atheros Communications, Inc. 4185377Ssam * 5185377Ssam * Permission to use, copy, modify, and/or distribute this software for any 6185377Ssam * purpose with or without fee is hereby granted, provided that the above 7185377Ssam * copyright notice and this permission notice appear in all copies. 8185377Ssam * 9185377Ssam * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10185377Ssam * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11185377Ssam * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12185377Ssam * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13185377Ssam * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14185377Ssam * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15185377Ssam * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16185377Ssam * 17187831Ssam * $FreeBSD$ 18185377Ssam */ 19185377Ssam#include "opt_ah.h" 20185377Ssam 21185377Ssam#include "ah.h" 22185377Ssam#include "ah_internal.h" 23185377Ssam 24185377Ssam#include "ar5212/ar5212.h" 25185377Ssam#include "ar5212/ar5212reg.h" 26185377Ssam#include "ar5212/ar5212phy.h" 27185377Ssam 28185377Ssam#include "ah_eeprom_v3.h" 29185377Ssam 30185377Ssam#define AH_5212_2316 31185377Ssam#include "ar5212/ar5212.ini" 32185377Ssam 33185377Ssam#define N(a) (sizeof(a)/sizeof(a[0])) 34185377Ssam 35185377Ssamtypedef RAW_DATA_STRUCT_2413 RAW_DATA_STRUCT_2316; 36185377Ssamtypedef RAW_DATA_PER_CHANNEL_2413 RAW_DATA_PER_CHANNEL_2316; 37185377Ssam#define PWR_TABLE_SIZE_2316 PWR_TABLE_SIZE_2413 38185377Ssam 39185377Ssamstruct ar2316State { 40185377Ssam RF_HAL_FUNCS base; /* public state, must be first */ 41185377Ssam uint16_t pcdacTable[PWR_TABLE_SIZE_2316]; 42185377Ssam 43185377Ssam uint32_t Bank1Data[N(ar5212Bank1_2316)]; 44185377Ssam uint32_t Bank2Data[N(ar5212Bank2_2316)]; 45185377Ssam uint32_t Bank3Data[N(ar5212Bank3_2316)]; 46185377Ssam uint32_t Bank6Data[N(ar5212Bank6_2316)]; 47185377Ssam uint32_t Bank7Data[N(ar5212Bank7_2316)]; 48185377Ssam 49185377Ssam /* 50185377Ssam * Private state for reduced stack usage. 51185377Ssam */ 52185377Ssam /* filled out Vpd table for all pdGains (chanL) */ 53185377Ssam uint16_t vpdTable_L[MAX_NUM_PDGAINS_PER_CHANNEL] 54185377Ssam [MAX_PWR_RANGE_IN_HALF_DB]; 55185377Ssam /* filled out Vpd table for all pdGains (chanR) */ 56185377Ssam uint16_t vpdTable_R[MAX_NUM_PDGAINS_PER_CHANNEL] 57185377Ssam [MAX_PWR_RANGE_IN_HALF_DB]; 58185377Ssam /* filled out Vpd table for all pdGains (interpolated) */ 59185377Ssam uint16_t vpdTable_I[MAX_NUM_PDGAINS_PER_CHANNEL] 60185377Ssam [MAX_PWR_RANGE_IN_HALF_DB]; 61185377Ssam}; 62185377Ssam#define AR2316(ah) ((struct ar2316State *) AH5212(ah)->ah_rfHal) 63185377Ssam 64185377Ssamextern void ar5212ModifyRfBuffer(uint32_t *rfBuf, uint32_t reg32, 65185377Ssam uint32_t numBits, uint32_t firstBit, uint32_t column); 66185377Ssam 67185377Ssamstatic void 68185377Ssamar2316WriteRegs(struct ath_hal *ah, u_int modesIndex, u_int freqIndex, 69185377Ssam int regWrites) 70185377Ssam{ 71185377Ssam struct ath_hal_5212 *ahp = AH5212(ah); 72185377Ssam 73185377Ssam HAL_INI_WRITE_ARRAY(ah, ar5212Modes_2316, modesIndex, regWrites); 74185377Ssam HAL_INI_WRITE_ARRAY(ah, ar5212Common_2316, 1, regWrites); 75185377Ssam HAL_INI_WRITE_ARRAY(ah, ar5212BB_RfGain_2316, freqIndex, regWrites); 76185377Ssam 77185377Ssam /* For AP51 */ 78185377Ssam if (!ahp->ah_cwCalRequire) { 79185377Ssam OS_REG_WRITE(ah, 0xa358, (OS_REG_READ(ah, 0xa358) & ~0x2)); 80185377Ssam } else { 81185377Ssam ahp->ah_cwCalRequire = AH_FALSE; 82185377Ssam } 83185377Ssam} 84185377Ssam 85185377Ssam/* 86185377Ssam * Take the MHz channel value and set the Channel value 87185377Ssam * 88185377Ssam * ASSUMES: Writes enabled to analog bus 89185377Ssam */ 90185377Ssamstatic HAL_BOOL 91187831Ssamar2316SetChannel(struct ath_hal *ah, struct ieee80211_channel *chan) 92185377Ssam{ 93187831Ssam uint16_t freq = ath_hal_gethwchannel(ah, chan); 94185377Ssam uint32_t channelSel = 0; 95185377Ssam uint32_t bModeSynth = 0; 96185377Ssam uint32_t aModeRefSel = 0; 97185377Ssam uint32_t reg32 = 0; 98185377Ssam 99187831Ssam OS_MARK(ah, AH_MARK_SETCHANNEL, freq); 100185377Ssam 101187831Ssam if (freq < 4800) { 102185377Ssam uint32_t txctl; 103185377Ssam 104187831Ssam if (((freq - 2192) % 5) == 0) { 105187831Ssam channelSel = ((freq - 672) * 2 - 3040)/10; 106185377Ssam bModeSynth = 0; 107187831Ssam } else if (((freq - 2224) % 5) == 0) { 108187831Ssam channelSel = ((freq - 704) * 2 - 3040) / 10; 109185377Ssam bModeSynth = 1; 110185377Ssam } else { 111185377Ssam HALDEBUG(ah, HAL_DEBUG_ANY, 112185377Ssam "%s: invalid channel %u MHz\n", 113187831Ssam __func__, freq); 114185377Ssam return AH_FALSE; 115185377Ssam } 116185377Ssam 117185377Ssam channelSel = (channelSel << 2) & 0xff; 118185377Ssam channelSel = ath_hal_reverseBits(channelSel, 8); 119185377Ssam 120185377Ssam txctl = OS_REG_READ(ah, AR_PHY_CCK_TX_CTRL); 121187831Ssam if (freq == 2484) { 122185377Ssam /* Enable channel spreading for channel 14 */ 123185377Ssam OS_REG_WRITE(ah, AR_PHY_CCK_TX_CTRL, 124185377Ssam txctl | AR_PHY_CCK_TX_CTRL_JAPAN); 125185377Ssam } else { 126185377Ssam OS_REG_WRITE(ah, AR_PHY_CCK_TX_CTRL, 127185377Ssam txctl &~ AR_PHY_CCK_TX_CTRL_JAPAN); 128185377Ssam } 129187831Ssam } else if ((freq % 20) == 0 && freq >= 5120) { 130185377Ssam channelSel = ath_hal_reverseBits( 131187831Ssam ((freq - 4800) / 20 << 2), 8); 132185377Ssam aModeRefSel = ath_hal_reverseBits(3, 2); 133187831Ssam } else if ((freq % 10) == 0) { 134185377Ssam channelSel = ath_hal_reverseBits( 135187831Ssam ((freq - 4800) / 10 << 1), 8); 136185377Ssam aModeRefSel = ath_hal_reverseBits(2, 2); 137187831Ssam } else if ((freq % 5) == 0) { 138185377Ssam channelSel = ath_hal_reverseBits( 139187831Ssam (freq - 4800) / 5, 8); 140185377Ssam aModeRefSel = ath_hal_reverseBits(1, 2); 141185377Ssam } else { 142185377Ssam HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid channel %u MHz\n", 143187831Ssam __func__, freq); 144185377Ssam return AH_FALSE; 145185377Ssam } 146185377Ssam 147185377Ssam reg32 = (channelSel << 4) | (aModeRefSel << 2) | (bModeSynth << 1) | 148185377Ssam (1 << 12) | 0x1; 149185377Ssam OS_REG_WRITE(ah, AR_PHY(0x27), reg32 & 0xff); 150185377Ssam 151185377Ssam reg32 >>= 8; 152185377Ssam OS_REG_WRITE(ah, AR_PHY(0x36), reg32 & 0x7f); 153185377Ssam 154185377Ssam AH_PRIVATE(ah)->ah_curchan = chan; 155185377Ssam return AH_TRUE; 156185377Ssam} 157185377Ssam 158185377Ssam/* 159185377Ssam * Reads EEPROM header info from device structure and programs 160185377Ssam * all rf registers 161185377Ssam * 162185377Ssam * REQUIRES: Access to the analog rf device 163185377Ssam */ 164185377Ssamstatic HAL_BOOL 165187831Ssamar2316SetRfRegs(struct ath_hal *ah, const struct ieee80211_channel *chan, 166187831Ssam uint16_t modesIndex, uint16_t *rfXpdGain) 167185377Ssam{ 168185377Ssam#define RF_BANK_SETUP(_priv, _ix, _col) do { \ 169185377Ssam int i; \ 170185377Ssam for (i = 0; i < N(ar5212Bank##_ix##_2316); i++) \ 171185377Ssam (_priv)->Bank##_ix##Data[i] = ar5212Bank##_ix##_2316[i][_col];\ 172185377Ssam} while (0) 173185377Ssam struct ath_hal_5212 *ahp = AH5212(ah); 174185377Ssam const HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom; 175185377Ssam uint16_t ob2GHz = 0, db2GHz = 0; 176185377Ssam struct ar2316State *priv = AR2316(ah); 177185377Ssam int regWrites = 0; 178185377Ssam 179187831Ssam HALDEBUG(ah, HAL_DEBUG_RFPARAM, "%s: chan %u/0x%x modesIndex %u\n", 180187831Ssam __func__, chan->ic_freq, chan->ic_flags, modesIndex); 181185377Ssam 182185377Ssam HALASSERT(priv != AH_NULL); 183185377Ssam 184185377Ssam /* Setup rf parameters */ 185187831Ssam if (IEEE80211_IS_CHAN_B(chan)) { 186185377Ssam ob2GHz = ee->ee_obFor24; 187185377Ssam db2GHz = ee->ee_dbFor24; 188187831Ssam } else { 189185377Ssam ob2GHz = ee->ee_obFor24g; 190185377Ssam db2GHz = ee->ee_dbFor24g; 191185377Ssam } 192185377Ssam 193185377Ssam /* Bank 1 Write */ 194185377Ssam RF_BANK_SETUP(priv, 1, 1); 195185377Ssam 196185377Ssam /* Bank 2 Write */ 197185377Ssam RF_BANK_SETUP(priv, 2, modesIndex); 198185377Ssam 199185377Ssam /* Bank 3 Write */ 200185377Ssam RF_BANK_SETUP(priv, 3, modesIndex); 201185377Ssam 202185377Ssam /* Bank 6 Write */ 203185377Ssam RF_BANK_SETUP(priv, 6, modesIndex); 204185377Ssam 205185377Ssam ar5212ModifyRfBuffer(priv->Bank6Data, ob2GHz, 3, 178, 0); 206185377Ssam ar5212ModifyRfBuffer(priv->Bank6Data, db2GHz, 3, 175, 0); 207185377Ssam 208185377Ssam /* Bank 7 Setup */ 209185377Ssam RF_BANK_SETUP(priv, 7, modesIndex); 210185377Ssam 211185377Ssam /* Write Analog registers */ 212185377Ssam HAL_INI_WRITE_BANK(ah, ar5212Bank1_2316, priv->Bank1Data, regWrites); 213185377Ssam HAL_INI_WRITE_BANK(ah, ar5212Bank2_2316, priv->Bank2Data, regWrites); 214185377Ssam HAL_INI_WRITE_BANK(ah, ar5212Bank3_2316, priv->Bank3Data, regWrites); 215185377Ssam HAL_INI_WRITE_BANK(ah, ar5212Bank6_2316, priv->Bank6Data, regWrites); 216185377Ssam HAL_INI_WRITE_BANK(ah, ar5212Bank7_2316, priv->Bank7Data, regWrites); 217185377Ssam 218185377Ssam /* Now that we have reprogrammed rfgain value, clear the flag. */ 219185377Ssam ahp->ah_rfgainState = HAL_RFGAIN_INACTIVE; 220185377Ssam 221185377Ssam return AH_TRUE; 222185377Ssam#undef RF_BANK_SETUP 223185377Ssam} 224185377Ssam 225185377Ssam/* 226185377Ssam * Return a reference to the requested RF Bank. 227185377Ssam */ 228185377Ssamstatic uint32_t * 229185377Ssamar2316GetRfBank(struct ath_hal *ah, int bank) 230185377Ssam{ 231185377Ssam struct ar2316State *priv = AR2316(ah); 232185377Ssam 233185377Ssam HALASSERT(priv != AH_NULL); 234185377Ssam switch (bank) { 235185377Ssam case 1: return priv->Bank1Data; 236185377Ssam case 2: return priv->Bank2Data; 237185377Ssam case 3: return priv->Bank3Data; 238185377Ssam case 6: return priv->Bank6Data; 239185377Ssam case 7: return priv->Bank7Data; 240185377Ssam } 241185377Ssam HALDEBUG(ah, HAL_DEBUG_ANY, "%s: unknown RF Bank %d requested\n", 242185377Ssam __func__, bank); 243185377Ssam return AH_NULL; 244185377Ssam} 245185377Ssam 246185377Ssam/* 247185377Ssam * Return indices surrounding the value in sorted integer lists. 248185377Ssam * 249185377Ssam * NB: the input list is assumed to be sorted in ascending order 250185377Ssam */ 251185377Ssamstatic void 252185377SsamGetLowerUpperIndex(int16_t v, const uint16_t *lp, uint16_t listSize, 253185377Ssam uint32_t *vlo, uint32_t *vhi) 254185377Ssam{ 255185377Ssam int16_t target = v; 256185377Ssam const int16_t *ep = lp+listSize; 257185377Ssam const int16_t *tp; 258185377Ssam 259185377Ssam /* 260185377Ssam * Check first and last elements for out-of-bounds conditions. 261185377Ssam */ 262185377Ssam if (target < lp[0]) { 263185377Ssam *vlo = *vhi = 0; 264185377Ssam return; 265185377Ssam } 266185377Ssam if (target >= ep[-1]) { 267185377Ssam *vlo = *vhi = listSize - 1; 268185377Ssam return; 269185377Ssam } 270185377Ssam 271185377Ssam /* look for value being near or between 2 values in list */ 272185377Ssam for (tp = lp; tp < ep; tp++) { 273185377Ssam /* 274185377Ssam * If value is close to the current value of the list 275185377Ssam * then target is not between values, it is one of the values 276185377Ssam */ 277185377Ssam if (*tp == target) { 278185377Ssam *vlo = *vhi = tp - (const int16_t *) lp; 279185377Ssam return; 280185377Ssam } 281185377Ssam /* 282185377Ssam * Look for value being between current value and next value 283185377Ssam * if so return these 2 values 284185377Ssam */ 285185377Ssam if (target < tp[1]) { 286185377Ssam *vlo = tp - (const int16_t *) lp; 287185377Ssam *vhi = *vlo + 1; 288185377Ssam return; 289185377Ssam } 290185377Ssam } 291185377Ssam} 292185377Ssam 293185377Ssam/* 294185377Ssam * Fill the Vpdlist for indices Pmax-Pmin 295185377Ssam */ 296185377Ssamstatic HAL_BOOL 297185377Ssamar2316FillVpdTable(uint32_t pdGainIdx, int16_t Pmin, int16_t Pmax, 298185377Ssam const int16_t *pwrList, const int16_t *VpdList, 299185377Ssam uint16_t numIntercepts, uint16_t retVpdList[][64]) 300185377Ssam{ 301185377Ssam uint16_t ii, jj, kk; 302185377Ssam int16_t currPwr = (int16_t)(2*Pmin); 303185377Ssam /* since Pmin is pwr*2 and pwrList is 4*pwr */ 304185377Ssam uint32_t idxL, idxR; 305185377Ssam 306185377Ssam ii = 0; 307185377Ssam jj = 0; 308185377Ssam 309185377Ssam if (numIntercepts < 2) 310185377Ssam return AH_FALSE; 311185377Ssam 312185377Ssam while (ii <= (uint16_t)(Pmax - Pmin)) { 313185377Ssam GetLowerUpperIndex(currPwr, pwrList, numIntercepts, 314185377Ssam &(idxL), &(idxR)); 315185377Ssam if (idxR < 1) 316185377Ssam idxR = 1; /* extrapolate below */ 317185377Ssam if (idxL == (uint32_t)(numIntercepts - 1)) 318185377Ssam idxL = numIntercepts - 2; /* extrapolate above */ 319185377Ssam if (pwrList[idxL] == pwrList[idxR]) 320185377Ssam kk = VpdList[idxL]; 321185377Ssam else 322185377Ssam kk = (uint16_t) 323185377Ssam (((currPwr - pwrList[idxL])*VpdList[idxR]+ 324185377Ssam (pwrList[idxR] - currPwr)*VpdList[idxL])/ 325185377Ssam (pwrList[idxR] - pwrList[idxL])); 326185377Ssam retVpdList[pdGainIdx][ii] = kk; 327185377Ssam ii++; 328185377Ssam currPwr += 2; /* half dB steps */ 329185377Ssam } 330185377Ssam 331185377Ssam return AH_TRUE; 332185377Ssam} 333185377Ssam 334185377Ssam/* 335185377Ssam * Returns interpolated or the scaled up interpolated value 336185377Ssam */ 337185377Ssamstatic int16_t 338185377Ssaminterpolate_signed(uint16_t target, uint16_t srcLeft, uint16_t srcRight, 339185377Ssam int16_t targetLeft, int16_t targetRight) 340185377Ssam{ 341185377Ssam int16_t rv; 342185377Ssam 343185377Ssam if (srcRight != srcLeft) { 344185377Ssam rv = ((target - srcLeft)*targetRight + 345185377Ssam (srcRight - target)*targetLeft) / (srcRight - srcLeft); 346185377Ssam } else { 347185377Ssam rv = targetLeft; 348185377Ssam } 349185377Ssam return rv; 350185377Ssam} 351185377Ssam 352185377Ssam/* 353185377Ssam * Uses the data points read from EEPROM to reconstruct the pdadc power table 354185377Ssam * Called by ar2316SetPowerTable() 355185377Ssam */ 356185377Ssamstatic int 357185377Ssamar2316getGainBoundariesAndPdadcsForPowers(struct ath_hal *ah, uint16_t channel, 358185377Ssam const RAW_DATA_STRUCT_2316 *pRawDataset, 359185377Ssam uint16_t pdGainOverlap_t2, 360185377Ssam int16_t *pMinCalPower, uint16_t pPdGainBoundaries[], 361185377Ssam uint16_t pPdGainValues[], uint16_t pPDADCValues[]) 362185377Ssam{ 363185377Ssam struct ar2316State *priv = AR2316(ah); 364185377Ssam#define VpdTable_L priv->vpdTable_L 365185377Ssam#define VpdTable_R priv->vpdTable_R 366185377Ssam#define VpdTable_I priv->vpdTable_I 367185377Ssam uint32_t ii, jj, kk; 368185377Ssam int32_t ss;/* potentially -ve index for taking care of pdGainOverlap */ 369185377Ssam uint32_t idxL, idxR; 370185377Ssam uint32_t numPdGainsUsed = 0; 371185377Ssam /* 372185377Ssam * If desired to support -ve power levels in future, just 373185377Ssam * change pwr_I_0 to signed 5-bits. 374185377Ssam */ 375185377Ssam int16_t Pmin_t2[MAX_NUM_PDGAINS_PER_CHANNEL]; 376185377Ssam /* to accomodate -ve power levels later on. */ 377185377Ssam int16_t Pmax_t2[MAX_NUM_PDGAINS_PER_CHANNEL]; 378185377Ssam /* to accomodate -ve power levels later on */ 379185377Ssam uint16_t numVpd = 0; 380185377Ssam uint16_t Vpd_step; 381185377Ssam int16_t tmpVal ; 382185377Ssam uint32_t sizeCurrVpdTable, maxIndex, tgtIndex; 383185377Ssam 384185377Ssam /* Get upper lower index */ 385185377Ssam GetLowerUpperIndex(channel, pRawDataset->pChannels, 386185377Ssam pRawDataset->numChannels, &(idxL), &(idxR)); 387185377Ssam 388185377Ssam for (ii = 0; ii < MAX_NUM_PDGAINS_PER_CHANNEL; ii++) { 389185377Ssam jj = MAX_NUM_PDGAINS_PER_CHANNEL - ii - 1; 390185377Ssam /* work backwards 'cause highest pdGain for lowest power */ 391185377Ssam numVpd = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].numVpd; 392185377Ssam if (numVpd > 0) { 393185377Ssam pPdGainValues[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pd_gain; 394185377Ssam Pmin_t2[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pwr_t4[0]; 395185377Ssam if (Pmin_t2[numPdGainsUsed] >pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[0]) { 396185377Ssam Pmin_t2[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[0]; 397185377Ssam } 398185377Ssam Pmin_t2[numPdGainsUsed] = (int16_t) 399185377Ssam (Pmin_t2[numPdGainsUsed] / 2); 400185377Ssam Pmax_t2[numPdGainsUsed] = pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pwr_t4[numVpd-1]; 401185377Ssam if (Pmax_t2[numPdGainsUsed] > pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[numVpd-1]) 402185377Ssam Pmax_t2[numPdGainsUsed] = 403185377Ssam pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[numVpd-1]; 404185377Ssam Pmax_t2[numPdGainsUsed] = (int16_t)(Pmax_t2[numPdGainsUsed] / 2); 405185377Ssam ar2316FillVpdTable( 406185377Ssam numPdGainsUsed, Pmin_t2[numPdGainsUsed], Pmax_t2[numPdGainsUsed], 407185377Ssam &(pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].pwr_t4[0]), 408185377Ssam &(pRawDataset->pDataPerChannel[idxL].pDataPerPDGain[jj].Vpd[0]), numVpd, VpdTable_L 409185377Ssam ); 410185377Ssam ar2316FillVpdTable( 411185377Ssam numPdGainsUsed, Pmin_t2[numPdGainsUsed], Pmax_t2[numPdGainsUsed], 412185377Ssam &(pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].pwr_t4[0]), 413185377Ssam &(pRawDataset->pDataPerChannel[idxR].pDataPerPDGain[jj].Vpd[0]), numVpd, VpdTable_R 414185377Ssam ); 415185377Ssam for (kk = 0; kk < (uint16_t)(Pmax_t2[numPdGainsUsed] - Pmin_t2[numPdGainsUsed]); kk++) { 416185377Ssam VpdTable_I[numPdGainsUsed][kk] = 417185377Ssam interpolate_signed( 418185377Ssam channel, pRawDataset->pChannels[idxL], pRawDataset->pChannels[idxR], 419185377Ssam (int16_t)VpdTable_L[numPdGainsUsed][kk], (int16_t)VpdTable_R[numPdGainsUsed][kk]); 420185377Ssam } 421185377Ssam /* fill VpdTable_I for this pdGain */ 422185377Ssam numPdGainsUsed++; 423185377Ssam } 424185377Ssam /* if this pdGain is used */ 425185377Ssam } 426185377Ssam 427185377Ssam *pMinCalPower = Pmin_t2[0]; 428185377Ssam kk = 0; /* index for the final table */ 429185377Ssam for (ii = 0; ii < numPdGainsUsed; ii++) { 430185377Ssam if (ii == (numPdGainsUsed - 1)) 431185377Ssam pPdGainBoundaries[ii] = Pmax_t2[ii] + 432185377Ssam PD_GAIN_BOUNDARY_STRETCH_IN_HALF_DB; 433185377Ssam else 434185377Ssam pPdGainBoundaries[ii] = (uint16_t) 435185377Ssam ((Pmax_t2[ii] + Pmin_t2[ii+1]) / 2 ); 436185377Ssam if (pPdGainBoundaries[ii] > 63) { 437185377Ssam HALDEBUG(ah, HAL_DEBUG_ANY, 438185377Ssam "%s: clamp pPdGainBoundaries[%d] %d\n", 439185377Ssam __func__, ii, pPdGainBoundaries[ii]);/*XXX*/ 440185377Ssam pPdGainBoundaries[ii] = 63; 441185377Ssam } 442185377Ssam 443185377Ssam /* Find starting index for this pdGain */ 444185377Ssam if (ii == 0) 445185377Ssam ss = 0; /* for the first pdGain, start from index 0 */ 446185377Ssam else 447185377Ssam ss = (pPdGainBoundaries[ii-1] - Pmin_t2[ii]) - 448185377Ssam pdGainOverlap_t2; 449185377Ssam Vpd_step = (uint16_t)(VpdTable_I[ii][1] - VpdTable_I[ii][0]); 450185377Ssam Vpd_step = (uint16_t)((Vpd_step < 1) ? 1 : Vpd_step); 451185377Ssam /* 452185377Ssam *-ve ss indicates need to extrapolate data below for this pdGain 453185377Ssam */ 454185377Ssam while (ss < 0) { 455185377Ssam tmpVal = (int16_t)(VpdTable_I[ii][0] + ss*Vpd_step); 456185377Ssam pPDADCValues[kk++] = (uint16_t)((tmpVal < 0) ? 0 : tmpVal); 457185377Ssam ss++; 458185377Ssam } 459185377Ssam 460185377Ssam sizeCurrVpdTable = Pmax_t2[ii] - Pmin_t2[ii]; 461185377Ssam tgtIndex = pPdGainBoundaries[ii] + pdGainOverlap_t2 - Pmin_t2[ii]; 462185377Ssam maxIndex = (tgtIndex < sizeCurrVpdTable) ? tgtIndex : sizeCurrVpdTable; 463185377Ssam 464185377Ssam while (ss < (int16_t)maxIndex) 465185377Ssam pPDADCValues[kk++] = VpdTable_I[ii][ss++]; 466185377Ssam 467185377Ssam Vpd_step = (uint16_t)(VpdTable_I[ii][sizeCurrVpdTable-1] - 468185377Ssam VpdTable_I[ii][sizeCurrVpdTable-2]); 469185377Ssam Vpd_step = (uint16_t)((Vpd_step < 1) ? 1 : Vpd_step); 470185377Ssam /* 471185377Ssam * for last gain, pdGainBoundary == Pmax_t2, so will 472185377Ssam * have to extrapolate 473185377Ssam */ 474185377Ssam if (tgtIndex > maxIndex) { /* need to extrapolate above */ 475185377Ssam while(ss < (int16_t)tgtIndex) { 476185377Ssam tmpVal = (uint16_t) 477185377Ssam (VpdTable_I[ii][sizeCurrVpdTable-1] + 478185377Ssam (ss-maxIndex)*Vpd_step); 479185377Ssam pPDADCValues[kk++] = (tmpVal > 127) ? 480185377Ssam 127 : tmpVal; 481185377Ssam ss++; 482185377Ssam } 483185377Ssam } /* extrapolated above */ 484185377Ssam } /* for all pdGainUsed */ 485185377Ssam 486185377Ssam while (ii < MAX_NUM_PDGAINS_PER_CHANNEL) { 487185377Ssam pPdGainBoundaries[ii] = pPdGainBoundaries[ii-1]; 488185377Ssam ii++; 489185377Ssam } 490185377Ssam while (kk < 128) { 491185377Ssam pPDADCValues[kk] = pPDADCValues[kk-1]; 492185377Ssam kk++; 493185377Ssam } 494185377Ssam 495185377Ssam return numPdGainsUsed; 496185377Ssam#undef VpdTable_L 497185377Ssam#undef VpdTable_R 498185377Ssam#undef VpdTable_I 499185377Ssam} 500185377Ssam 501185377Ssamstatic HAL_BOOL 502185377Ssamar2316SetPowerTable(struct ath_hal *ah, 503187831Ssam int16_t *minPower, int16_t *maxPower, 504187831Ssam const struct ieee80211_channel *chan, 505185377Ssam uint16_t *rfXpdGain) 506185377Ssam{ 507185377Ssam struct ath_hal_5212 *ahp = AH5212(ah); 508185377Ssam const HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom; 509185377Ssam const RAW_DATA_STRUCT_2316 *pRawDataset = AH_NULL; 510185377Ssam uint16_t pdGainOverlap_t2; 511185377Ssam int16_t minCalPower2316_t2; 512185377Ssam uint16_t *pdadcValues = ahp->ah_pcdacTable; 513185377Ssam uint16_t gainBoundaries[4]; 514185380Ssam uint32_t reg32, regoffset; 515185380Ssam int i, numPdGainsUsed; 516185380Ssam#ifndef AH_USE_INIPDGAIN 517185380Ssam uint32_t tpcrg1; 518185380Ssam#endif 519185377Ssam 520185377Ssam HALDEBUG(ah, HAL_DEBUG_RFPARAM, "%s: chan 0x%x flag 0x%x\n", 521187831Ssam __func__, chan->ic_freq, chan->ic_flags); 522185377Ssam 523187831Ssam if (IEEE80211_IS_CHAN_G(chan) || IEEE80211_IS_CHAN_108G(chan)) 524185377Ssam pRawDataset = &ee->ee_rawDataset2413[headerInfo11G]; 525187831Ssam else if (IEEE80211_IS_CHAN_B(chan)) 526185377Ssam pRawDataset = &ee->ee_rawDataset2413[headerInfo11B]; 527185377Ssam else { 528185377Ssam HALDEBUG(ah, HAL_DEBUG_ANY, "%s: illegal mode\n", __func__); 529185377Ssam return AH_FALSE; 530185377Ssam } 531185377Ssam 532185377Ssam pdGainOverlap_t2 = (uint16_t) SM(OS_REG_READ(ah, AR_PHY_TPCRG5), 533185377Ssam AR_PHY_TPCRG5_PD_GAIN_OVERLAP); 534185377Ssam 535185377Ssam numPdGainsUsed = ar2316getGainBoundariesAndPdadcsForPowers(ah, 536185377Ssam chan->channel, pRawDataset, pdGainOverlap_t2, 537185377Ssam &minCalPower2316_t2,gainBoundaries, rfXpdGain, pdadcValues); 538185377Ssam HALASSERT(1 <= numPdGainsUsed && numPdGainsUsed <= 3); 539185377Ssam 540185380Ssam#ifdef AH_USE_INIPDGAIN 541185380Ssam /* 542185380Ssam * Use pd_gains curve from eeprom; Atheros always uses 543185380Ssam * the default curve from the ini file but some vendors 544185380Ssam * (e.g. Zcomax) want to override this curve and not 545185380Ssam * honoring their settings results in tx power 5dBm low. 546185380Ssam */ 547185377Ssam OS_REG_RMW_FIELD(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_NUM_PD_GAIN, 548185377Ssam (pRawDataset->pDataPerChannel[0].numPdGains - 1)); 549185380Ssam#else 550185377Ssam tpcrg1 = OS_REG_READ(ah, AR_PHY_TPCRG1); 551185377Ssam tpcrg1 = (tpcrg1 &~ AR_PHY_TPCRG1_NUM_PD_GAIN) 552185377Ssam | SM(numPdGainsUsed-1, AR_PHY_TPCRG1_NUM_PD_GAIN); 553185377Ssam switch (numPdGainsUsed) { 554185377Ssam case 3: 555185377Ssam tpcrg1 &= ~AR_PHY_TPCRG1_PDGAIN_SETTING3; 556185377Ssam tpcrg1 |= SM(rfXpdGain[2], AR_PHY_TPCRG1_PDGAIN_SETTING3); 557185377Ssam /* fall thru... */ 558185377Ssam case 2: 559185377Ssam tpcrg1 &= ~AR_PHY_TPCRG1_PDGAIN_SETTING2; 560185377Ssam tpcrg1 |= SM(rfXpdGain[1], AR_PHY_TPCRG1_PDGAIN_SETTING2); 561185377Ssam /* fall thru... */ 562185377Ssam case 1: 563185377Ssam tpcrg1 &= ~AR_PHY_TPCRG1_PDGAIN_SETTING1; 564185377Ssam tpcrg1 |= SM(rfXpdGain[0], AR_PHY_TPCRG1_PDGAIN_SETTING1); 565185377Ssam break; 566185377Ssam } 567185377Ssam#ifdef AH_DEBUG 568185377Ssam if (tpcrg1 != OS_REG_READ(ah, AR_PHY_TPCRG1)) 569185377Ssam HALDEBUG(ah, HAL_DEBUG_RFPARAM, "%s: using non-default " 570185377Ssam "pd_gains (default 0x%x, calculated 0x%x)\n", 571185377Ssam __func__, OS_REG_READ(ah, AR_PHY_TPCRG1), tpcrg1); 572185377Ssam#endif 573185377Ssam OS_REG_WRITE(ah, AR_PHY_TPCRG1, tpcrg1); 574185380Ssam#endif 575185377Ssam 576185377Ssam /* 577185377Ssam * Note the pdadc table may not start at 0 dBm power, could be 578185377Ssam * negative or greater than 0. Need to offset the power 579185377Ssam * values by the amount of minPower for griffin 580185377Ssam */ 581185377Ssam if (minCalPower2316_t2 != 0) 582185377Ssam ahp->ah_txPowerIndexOffset = (int16_t)(0 - minCalPower2316_t2); 583185377Ssam else 584185377Ssam ahp->ah_txPowerIndexOffset = 0; 585185377Ssam 586185377Ssam /* Finally, write the power values into the baseband power table */ 587185377Ssam regoffset = 0x9800 + (672 <<2); /* beginning of pdadc table in griffin */ 588185377Ssam for (i = 0; i < 32; i++) { 589185377Ssam reg32 = ((pdadcValues[4*i + 0] & 0xFF) << 0) | 590185377Ssam ((pdadcValues[4*i + 1] & 0xFF) << 8) | 591185377Ssam ((pdadcValues[4*i + 2] & 0xFF) << 16) | 592185377Ssam ((pdadcValues[4*i + 3] & 0xFF) << 24) ; 593185377Ssam OS_REG_WRITE(ah, regoffset, reg32); 594185377Ssam regoffset += 4; 595185377Ssam } 596185377Ssam 597185377Ssam OS_REG_WRITE(ah, AR_PHY_TPCRG5, 598185377Ssam SM(pdGainOverlap_t2, AR_PHY_TPCRG5_PD_GAIN_OVERLAP) | 599185377Ssam SM(gainBoundaries[0], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_1) | 600185377Ssam SM(gainBoundaries[1], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_2) | 601185377Ssam SM(gainBoundaries[2], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_3) | 602185377Ssam SM(gainBoundaries[3], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_4)); 603185377Ssam 604185377Ssam return AH_TRUE; 605185377Ssam} 606185377Ssam 607185377Ssamstatic int16_t 608185377Ssamar2316GetMinPower(struct ath_hal *ah, const RAW_DATA_PER_CHANNEL_2316 *data) 609185377Ssam{ 610185377Ssam uint32_t ii,jj; 611185377Ssam uint16_t Pmin=0,numVpd; 612185377Ssam 613185377Ssam for (ii = 0; ii < MAX_NUM_PDGAINS_PER_CHANNEL; ii++) { 614185377Ssam jj = MAX_NUM_PDGAINS_PER_CHANNEL - ii - 1; 615185377Ssam /* work backwards 'cause highest pdGain for lowest power */ 616185377Ssam numVpd = data->pDataPerPDGain[jj].numVpd; 617185377Ssam if (numVpd > 0) { 618185377Ssam Pmin = data->pDataPerPDGain[jj].pwr_t4[0]; 619185377Ssam return(Pmin); 620185377Ssam } 621185377Ssam } 622185377Ssam return(Pmin); 623185377Ssam} 624185377Ssam 625185377Ssamstatic int16_t 626185377Ssamar2316GetMaxPower(struct ath_hal *ah, const RAW_DATA_PER_CHANNEL_2316 *data) 627185377Ssam{ 628185377Ssam uint32_t ii; 629185377Ssam uint16_t Pmax=0,numVpd; 630185377Ssam 631185377Ssam for (ii=0; ii< MAX_NUM_PDGAINS_PER_CHANNEL; ii++) { 632185377Ssam /* work forwards cuase lowest pdGain for highest power */ 633185377Ssam numVpd = data->pDataPerPDGain[ii].numVpd; 634185377Ssam if (numVpd > 0) { 635185377Ssam Pmax = data->pDataPerPDGain[ii].pwr_t4[numVpd-1]; 636185377Ssam return(Pmax); 637185377Ssam } 638185377Ssam } 639185377Ssam return(Pmax); 640185377Ssam} 641185377Ssam 642185377Ssamstatic HAL_BOOL 643187831Ssamar2316GetChannelMaxMinPower(struct ath_hal *ah, 644187831Ssam const struct ieee80211_channel *chan, 645185377Ssam int16_t *maxPow, int16_t *minPow) 646185377Ssam{ 647187831Ssam uint16_t freq = chan->ic_freq; /* NB: never mapped */ 648185377Ssam const HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom; 649185377Ssam const RAW_DATA_STRUCT_2316 *pRawDataset = AH_NULL; 650185377Ssam const RAW_DATA_PER_CHANNEL_2316 *data=AH_NULL; 651185377Ssam uint16_t numChannels; 652185377Ssam int totalD,totalF, totalMin,last, i; 653185377Ssam 654185377Ssam *maxPow = 0; 655185377Ssam 656187831Ssam if (IEEE80211_IS_CHAN_G(chan) || IEEE80211_IS_CHAN_108G(chan)) 657185377Ssam pRawDataset = &ee->ee_rawDataset2413[headerInfo11G]; 658187831Ssam else if (IEEE80211_IS_CHAN_B(chan)) 659185377Ssam pRawDataset = &ee->ee_rawDataset2413[headerInfo11B]; 660185377Ssam else 661185377Ssam return(AH_FALSE); 662185377Ssam 663185377Ssam numChannels = pRawDataset->numChannels; 664185377Ssam data = pRawDataset->pDataPerChannel; 665185377Ssam 666185377Ssam /* Make sure the channel is in the range of the TP values 667185377Ssam * (freq piers) 668185377Ssam */ 669185377Ssam if (numChannels < 1) 670185377Ssam return(AH_FALSE); 671185377Ssam 672187831Ssam if ((freq < data[0].channelValue) || 673187831Ssam (freq > data[numChannels-1].channelValue)) { 674187831Ssam if (freq < data[0].channelValue) { 675185377Ssam *maxPow = ar2316GetMaxPower(ah, &data[0]); 676185377Ssam *minPow = ar2316GetMinPower(ah, &data[0]); 677185377Ssam return(AH_TRUE); 678185377Ssam } else { 679185377Ssam *maxPow = ar2316GetMaxPower(ah, &data[numChannels - 1]); 680185377Ssam *minPow = ar2316GetMinPower(ah, &data[numChannels - 1]); 681185377Ssam return(AH_TRUE); 682185377Ssam } 683185377Ssam } 684185377Ssam 685185377Ssam /* Linearly interpolate the power value now */ 686187831Ssam for (last=0,i=0; (i<numChannels) && (freq > data[i].channelValue); 687185377Ssam last = i++); 688185377Ssam totalD = data[i].channelValue - data[last].channelValue; 689185377Ssam if (totalD > 0) { 690185377Ssam totalF = ar2316GetMaxPower(ah, &data[i]) - ar2316GetMaxPower(ah, &data[last]); 691187831Ssam *maxPow = (int8_t) ((totalF*(freq-data[last].channelValue) + 692185377Ssam ar2316GetMaxPower(ah, &data[last])*totalD)/totalD); 693185377Ssam totalMin = ar2316GetMinPower(ah, &data[i]) - ar2316GetMinPower(ah, &data[last]); 694187831Ssam *minPow = (int8_t) ((totalMin*(freq-data[last].channelValue) + 695185377Ssam ar2316GetMinPower(ah, &data[last])*totalD)/totalD); 696185377Ssam return(AH_TRUE); 697185377Ssam } else { 698187831Ssam if (freq == data[i].channelValue) { 699185377Ssam *maxPow = ar2316GetMaxPower(ah, &data[i]); 700185377Ssam *minPow = ar2316GetMinPower(ah, &data[i]); 701185377Ssam return(AH_TRUE); 702185377Ssam } else 703185377Ssam return(AH_FALSE); 704185377Ssam } 705185377Ssam} 706185377Ssam 707185377Ssam/* 708185377Ssam * Free memory for analog bank scratch buffers 709185377Ssam */ 710185377Ssamstatic void 711185377Ssamar2316RfDetach(struct ath_hal *ah) 712185377Ssam{ 713185377Ssam struct ath_hal_5212 *ahp = AH5212(ah); 714185377Ssam 715185377Ssam HALASSERT(ahp->ah_rfHal != AH_NULL); 716185377Ssam ath_hal_free(ahp->ah_rfHal); 717185377Ssam ahp->ah_rfHal = AH_NULL; 718185377Ssam} 719185377Ssam 720185377Ssam/* 721185377Ssam * Allocate memory for private state. 722185377Ssam * Scratch Buffer will be reinitialized every reset so no need to zero now 723185377Ssam */ 724185406Ssamstatic HAL_BOOL 725185377Ssamar2316RfAttach(struct ath_hal *ah, HAL_STATUS *status) 726185377Ssam{ 727185377Ssam struct ath_hal_5212 *ahp = AH5212(ah); 728185377Ssam struct ar2316State *priv; 729185377Ssam 730185377Ssam HALASSERT(ah->ah_magic == AR5212_MAGIC); 731185377Ssam 732185377Ssam HALASSERT(ahp->ah_rfHal == AH_NULL); 733185377Ssam priv = ath_hal_malloc(sizeof(struct ar2316State)); 734185377Ssam if (priv == AH_NULL) { 735185377Ssam HALDEBUG(ah, HAL_DEBUG_ANY, 736185377Ssam "%s: cannot allocate private state\n", __func__); 737185377Ssam *status = HAL_ENOMEM; /* XXX */ 738185377Ssam return AH_FALSE; 739185377Ssam } 740185377Ssam priv->base.rfDetach = ar2316RfDetach; 741185377Ssam priv->base.writeRegs = ar2316WriteRegs; 742185377Ssam priv->base.getRfBank = ar2316GetRfBank; 743185377Ssam priv->base.setChannel = ar2316SetChannel; 744185377Ssam priv->base.setRfRegs = ar2316SetRfRegs; 745185377Ssam priv->base.setPowerTable = ar2316SetPowerTable; 746185377Ssam priv->base.getChannelMaxMinPower = ar2316GetChannelMaxMinPower; 747185377Ssam priv->base.getNfAdjust = ar5212GetNfAdjust; 748185377Ssam 749185377Ssam ahp->ah_pcdacTable = priv->pcdacTable; 750185377Ssam ahp->ah_pcdacTableSize = sizeof(priv->pcdacTable); 751185377Ssam ahp->ah_rfHal = &priv->base; 752185377Ssam 753185377Ssam ahp->ah_cwCalRequire = AH_TRUE; /* force initial cal */ 754185377Ssam 755185377Ssam return AH_TRUE; 756185377Ssam} 757185406Ssam 758185406Ssamstatic HAL_BOOL 759185406Ssamar2316Probe(struct ath_hal *ah) 760185406Ssam{ 761185406Ssam return IS_2316(ah); 762185406Ssam} 763185418SsamAH_RF(RF2316, ar2316Probe, ar2316RfAttach); 764