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: ar5112.c,v 1.1.1.1 2008/12/11 04:46:37 alc Exp $ 18 */ 19 #include "opt_ah.h" 20 21 #include "ah.h" 22 #include "ah_internal.h" 23 24 #include "ah_eeprom_v3.h" 25 26 #include "ar5212/ar5212.h" 27 #include "ar5212/ar5212reg.h" 28 #include "ar5212/ar5212phy.h" 29 30 #define AH_5212_5112 31 #include "ar5212/ar5212.ini" 32 33 #define N(a) (sizeof(a)/sizeof(a[0])) 34 35 struct ar5112State { 36 RF_HAL_FUNCS base; /* public state, must be first */ 37 uint16_t pcdacTable[PWR_TABLE_SIZE]; 38 39 uint32_t Bank1Data[N(ar5212Bank1_5112)]; 40 uint32_t Bank2Data[N(ar5212Bank2_5112)]; 41 uint32_t Bank3Data[N(ar5212Bank3_5112)]; 42 uint32_t Bank6Data[N(ar5212Bank6_5112)]; 43 uint32_t Bank7Data[N(ar5212Bank7_5112)]; 44 }; 45 #define AR5112(ah) ((struct ar5112State *) AH5212(ah)->ah_rfHal) 46 47 static void ar5212GetLowerUpperIndex(uint16_t v, 48 uint16_t *lp, uint16_t listSize, 49 uint32_t *vlo, uint32_t *vhi); 50 static HAL_BOOL getFullPwrTable(uint16_t numPcdacs, uint16_t *pcdacs, 51 int16_t *power, int16_t maxPower, int16_t *retVals); 52 static int16_t getPminAndPcdacTableFromPowerTable(int16_t *pwrTableT4, 53 uint16_t retVals[]); 54 static int16_t getPminAndPcdacTableFromTwoPowerTables(int16_t *pwrTableLXpdT4, 55 int16_t *pwrTableHXpdT4, uint16_t retVals[], int16_t *pMid); 56 static int16_t interpolate_signed(uint16_t target, 57 uint16_t srcLeft, uint16_t srcRight, 58 int16_t targetLeft, int16_t targetRight); 59 60 extern void ar5212ModifyRfBuffer(uint32_t *rfBuf, uint32_t reg32, 61 uint32_t numBits, uint32_t firstBit, uint32_t column); 62 63 static void 64 ar5112WriteRegs(struct ath_hal *ah, u_int modesIndex, u_int freqIndex, 65 int writes) 66 { 67 HAL_INI_WRITE_ARRAY(ah, ar5212Modes_5112, modesIndex, writes); 68 HAL_INI_WRITE_ARRAY(ah, ar5212Common_5112, 1, writes); 69 HAL_INI_WRITE_ARRAY(ah, ar5212BB_RfGain_5112, 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 */ 77 static HAL_BOOL 78 ar5112SetChannel(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 return AH_TRUE; 148 } 149 150 /* 151 * Return a reference to the requested RF Bank. 152 */ 153 static uint32_t * 154 ar5112GetRfBank(struct ath_hal *ah, int bank) 155 { 156 struct ar5112State *priv = AR5112(ah); 157 158 HALASSERT(priv != AH_NULL); 159 switch (bank) { 160 case 1: return priv->Bank1Data; 161 case 2: return priv->Bank2Data; 162 case 3: return priv->Bank3Data; 163 case 6: return priv->Bank6Data; 164 case 7: return priv->Bank7Data; 165 } 166 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: unknown RF Bank %d requested\n", 167 __func__, bank); 168 return AH_NULL; 169 } 170 171 /* 172 * Reads EEPROM header info from device structure and programs 173 * all rf registers 174 * 175 * REQUIRES: Access to the analog rf device 176 */ 177 static HAL_BOOL 178 ar5112SetRfRegs(struct ath_hal *ah, HAL_CHANNEL_INTERNAL *chan, 179 uint16_t modesIndex, uint16_t *rfXpdGain) 180 { 181 #define RF_BANK_SETUP(_priv, _ix, _col) do { \ 182 int i; \ 183 for (i = 0; i < N(ar5212Bank##_ix##_5112); i++) \ 184 (_priv)->Bank##_ix##Data[i] = ar5212Bank##_ix##_5112[i][_col];\ 185 } while (0) 186 struct ath_hal_5212 *ahp = AH5212(ah); 187 const HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom; 188 uint16_t rfXpdSel, gainI; 189 uint16_t ob5GHz = 0, db5GHz = 0; 190 uint16_t ob2GHz = 0, db2GHz = 0; 191 struct ar5112State *priv = AR5112(ah); 192 GAIN_VALUES *gv = &ahp->ah_gainValues; 193 int regWrites = 0; 194 195 HALASSERT(priv); 196 197 /* Setup rf parameters */ 198 switch (chan->channelFlags & CHANNEL_ALL) { 199 case CHANNEL_A: 200 case CHANNEL_T: 201 if (chan->channel > 4000 && chan->channel < 5260) { 202 ob5GHz = ee->ee_ob1; 203 db5GHz = ee->ee_db1; 204 } else if (chan->channel >= 5260 && chan->channel < 5500) { 205 ob5GHz = ee->ee_ob2; 206 db5GHz = ee->ee_db2; 207 } else if (chan->channel >= 5500 && chan->channel < 5725) { 208 ob5GHz = ee->ee_ob3; 209 db5GHz = ee->ee_db3; 210 } else if (chan->channel >= 5725) { 211 ob5GHz = ee->ee_ob4; 212 db5GHz = ee->ee_db4; 213 } else { 214 /* XXX else */ 215 } 216 rfXpdSel = ee->ee_xpd[headerInfo11A]; 217 gainI = ee->ee_gainI[headerInfo11A]; 218 break; 219 case CHANNEL_B: 220 ob2GHz = ee->ee_ob2GHz[0]; 221 db2GHz = ee->ee_db2GHz[0]; 222 rfXpdSel = ee->ee_xpd[headerInfo11B]; 223 gainI = ee->ee_gainI[headerInfo11B]; 224 break; 225 case CHANNEL_G: 226 case CHANNEL_108G: 227 ob2GHz = ee->ee_ob2GHz[1]; 228 db2GHz = ee->ee_ob2GHz[1]; 229 rfXpdSel = ee->ee_xpd[headerInfo11G]; 230 gainI = ee->ee_gainI[headerInfo11G]; 231 break; 232 default: 233 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid channel flags 0x%x\n", 234 __func__, chan->channelFlags); 235 return AH_FALSE; 236 } 237 238 /* Setup Bank 1 Write */ 239 RF_BANK_SETUP(priv, 1, 1); 240 241 /* Setup Bank 2 Write */ 242 RF_BANK_SETUP(priv, 2, modesIndex); 243 244 /* Setup Bank 3 Write */ 245 RF_BANK_SETUP(priv, 3, modesIndex); 246 247 /* Setup Bank 6 Write */ 248 RF_BANK_SETUP(priv, 6, modesIndex); 249 250 ar5212ModifyRfBuffer(priv->Bank6Data, rfXpdSel, 1, 302, 0); 251 252 ar5212ModifyRfBuffer(priv->Bank6Data, rfXpdGain[0], 2, 270, 0); 253 ar5212ModifyRfBuffer(priv->Bank6Data, rfXpdGain[1], 2, 257, 0); 254 255 if (IS_CHAN_OFDM(chan)) { 256 ar5212ModifyRfBuffer(priv->Bank6Data, 257 gv->currStep->paramVal[GP_PWD_138], 1, 168, 3); 258 ar5212ModifyRfBuffer(priv->Bank6Data, 259 gv->currStep->paramVal[GP_PWD_137], 1, 169, 3); 260 ar5212ModifyRfBuffer(priv->Bank6Data, 261 gv->currStep->paramVal[GP_PWD_136], 1, 170, 3); 262 ar5212ModifyRfBuffer(priv->Bank6Data, 263 gv->currStep->paramVal[GP_PWD_132], 1, 174, 3); 264 ar5212ModifyRfBuffer(priv->Bank6Data, 265 gv->currStep->paramVal[GP_PWD_131], 1, 175, 3); 266 ar5212ModifyRfBuffer(priv->Bank6Data, 267 gv->currStep->paramVal[GP_PWD_130], 1, 176, 3); 268 } 269 270 /* Only the 5 or 2 GHz OB/DB need to be set for a mode */ 271 if (IS_CHAN_2GHZ(chan)) { 272 ar5212ModifyRfBuffer(priv->Bank6Data, ob2GHz, 3, 287, 0); 273 ar5212ModifyRfBuffer(priv->Bank6Data, db2GHz, 3, 290, 0); 274 } else { 275 ar5212ModifyRfBuffer(priv->Bank6Data, ob5GHz, 3, 279, 0); 276 ar5212ModifyRfBuffer(priv->Bank6Data, db5GHz, 3, 282, 0); 277 } 278 279 /* Lower synth voltage for X112 Rev 2.0 only */ 280 if (IS_RADX112_REV2(ah)) { 281 /* Non-Reversed analyg registers - so values are pre-reversed */ 282 ar5212ModifyRfBuffer(priv->Bank6Data, 2, 2, 90, 2); 283 ar5212ModifyRfBuffer(priv->Bank6Data, 2, 2, 92, 2); 284 ar5212ModifyRfBuffer(priv->Bank6Data, 2, 2, 94, 2); 285 ar5212ModifyRfBuffer(priv->Bank6Data, 2, 1, 254, 2); 286 } 287 288 /* Decrease Power Consumption for 5312/5213 and up */ 289 if (AH_PRIVATE(ah)->ah_phyRev >= AR_PHY_CHIP_ID_REV_2) { 290 ar5212ModifyRfBuffer(priv->Bank6Data, 1, 1, 281, 1); 291 ar5212ModifyRfBuffer(priv->Bank6Data, 1, 2, 1, 3); 292 ar5212ModifyRfBuffer(priv->Bank6Data, 1, 2, 3, 3); 293 ar5212ModifyRfBuffer(priv->Bank6Data, 1, 1, 139, 3); 294 ar5212ModifyRfBuffer(priv->Bank6Data, 1, 1, 140, 3); 295 } 296 297 /* Setup Bank 7 Setup */ 298 RF_BANK_SETUP(priv, 7, modesIndex); 299 if (IS_CHAN_OFDM(chan)) 300 ar5212ModifyRfBuffer(priv->Bank7Data, 301 gv->currStep->paramVal[GP_MIXGAIN_OVR], 2, 37, 0); 302 303 ar5212ModifyRfBuffer(priv->Bank7Data, gainI, 6, 14, 0); 304 305 /* Adjust params for Derby TX power control */ 306 if (IS_CHAN_HALF_RATE(chan) || IS_CHAN_QUARTER_RATE(chan)) { 307 uint32_t rfDelay, rfPeriod; 308 309 rfDelay = 0xf; 310 rfPeriod = (IS_CHAN_HALF_RATE(chan)) ? 0x8 : 0xf; 311 ar5212ModifyRfBuffer(priv->Bank7Data, rfDelay, 4, 58, 0); 312 ar5212ModifyRfBuffer(priv->Bank7Data, rfPeriod, 4, 70, 0); 313 } 314 315 #ifdef notyet 316 /* Analog registers are setup - EAR can modify */ 317 if (ar5212IsEarEngaged(pDev, chan)) 318 uint32_t modifier; 319 ar5212EarModify(pDev, EAR_LC_RF_WRITE, chan, &modifier); 320 #endif 321 /* Write Analog registers */ 322 HAL_INI_WRITE_BANK(ah, ar5212Bank1_5112, priv->Bank1Data, regWrites); 323 HAL_INI_WRITE_BANK(ah, ar5212Bank2_5112, priv->Bank2Data, regWrites); 324 HAL_INI_WRITE_BANK(ah, ar5212Bank3_5112, priv->Bank3Data, regWrites); 325 HAL_INI_WRITE_BANK(ah, ar5212Bank6_5112, priv->Bank6Data, regWrites); 326 HAL_INI_WRITE_BANK(ah, ar5212Bank7_5112, priv->Bank7Data, regWrites); 327 328 /* Now that we have reprogrammed rfgain value, clear the flag. */ 329 ahp->ah_rfgainState = HAL_RFGAIN_INACTIVE; 330 return AH_TRUE; 331 #undef RF_BANK_SETUP 332 } 333 334 /* 335 * Read the transmit power levels from the structures taken from EEPROM 336 * Interpolate read transmit power values for this channel 337 * Organize the transmit power values into a table for writing into the hardware 338 */ 339 static HAL_BOOL 340 ar5112SetPowerTable(struct ath_hal *ah, 341 int16_t *pPowerMin, int16_t *pPowerMax, HAL_CHANNEL_INTERNAL *chan, 342 uint16_t *rfXpdGain) 343 { 344 struct ath_hal_5212 *ahp = AH5212(ah); 345 const HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom; 346 uint32_t numXpdGain = IS_RADX112_REV2(ah) ? 2 : 1; 347 uint32_t xpdGainMask = 0; 348 int16_t powerMid, *pPowerMid = &powerMid; 349 350 const EXPN_DATA_PER_CHANNEL_5112 *pRawCh; 351 const EEPROM_POWER_EXPN_5112 *pPowerExpn = AH_NULL; 352 353 uint32_t ii, jj, kk; 354 int16_t minPwr_t4, maxPwr_t4, Pmin, Pmid; 355 356 uint32_t chan_idx_L = 0, chan_idx_R = 0; 357 uint16_t chan_L, chan_R; 358 359 int16_t pwr_table0[64]; 360 int16_t pwr_table1[64]; 361 uint16_t pcdacs[10]; 362 int16_t powers[10]; 363 uint16_t numPcd; 364 int16_t powTableLXPD[2][64]; 365 int16_t powTableHXPD[2][64]; 366 int16_t tmpPowerTable[64]; 367 uint16_t xgainList[2]; 368 uint16_t xpdMask; 369 370 switch (chan->channelFlags & CHANNEL_ALL) { 371 case CHANNEL_A: 372 case CHANNEL_T: 373 pPowerExpn = &ee->ee_modePowerArray5112[headerInfo11A]; 374 xpdGainMask = ee->ee_xgain[headerInfo11A]; 375 break; 376 case CHANNEL_B: 377 pPowerExpn = &ee->ee_modePowerArray5112[headerInfo11B]; 378 xpdGainMask = ee->ee_xgain[headerInfo11B]; 379 break; 380 case CHANNEL_G: 381 case CHANNEL_108G: 382 pPowerExpn = &ee->ee_modePowerArray5112[headerInfo11G]; 383 xpdGainMask = ee->ee_xgain[headerInfo11G]; 384 break; 385 default: 386 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: unknown channel flags 0x%x\n", 387 __func__, chan->channelFlags & CHANNEL_ALL); 388 return AH_FALSE; 389 } 390 391 if ((xpdGainMask & pPowerExpn->xpdMask) < 1) { 392 HALDEBUG(ah, HAL_DEBUG_ANY, 393 "%s: desired xpdGainMask 0x%x not supported by " 394 "calibrated xpdMask 0x%x\n", __func__, 395 xpdGainMask, pPowerExpn->xpdMask); 396 return AH_FALSE; 397 } 398 399 maxPwr_t4 = (int16_t)(2*(*pPowerMax)); /* pwr_t2 -> pwr_t4 */ 400 minPwr_t4 = (int16_t)(2*(*pPowerMin)); /* pwr_t2 -> pwr_t4 */ 401 402 xgainList[0] = 0xDEAD; 403 xgainList[1] = 0xDEAD; 404 405 kk = 0; 406 xpdMask = pPowerExpn->xpdMask; 407 for (jj = 0; jj < NUM_XPD_PER_CHANNEL; jj++) { 408 if (((xpdMask >> jj) & 1) > 0) { 409 if (kk > 1) { 410 HALDEBUG(ah, HAL_DEBUG_ANY, 411 "A maximum of 2 xpdGains supported" 412 "in pExpnPower data\n"); 413 return AH_FALSE; 414 } 415 xgainList[kk++] = (uint16_t)jj; 416 } 417 } 418 419 ar5212GetLowerUpperIndex(chan->channel, &pPowerExpn->pChannels[0], 420 pPowerExpn->numChannels, &chan_idx_L, &chan_idx_R); 421 422 kk = 0; 423 for (ii = chan_idx_L; ii <= chan_idx_R; ii++) { 424 pRawCh = &(pPowerExpn->pDataPerChannel[ii]); 425 if (xgainList[1] == 0xDEAD) { 426 jj = xgainList[0]; 427 numPcd = pRawCh->pDataPerXPD[jj].numPcdacs; 428 OS_MEMCPY(&pcdacs[0], &pRawCh->pDataPerXPD[jj].pcdac[0], 429 numPcd * sizeof(uint16_t)); 430 OS_MEMCPY(&powers[0], &pRawCh->pDataPerXPD[jj].pwr_t4[0], 431 numPcd * sizeof(int16_t)); 432 if (!getFullPwrTable(numPcd, &pcdacs[0], &powers[0], 433 pRawCh->maxPower_t4, &tmpPowerTable[0])) { 434 return AH_FALSE; 435 } 436 OS_MEMCPY(&powTableLXPD[kk][0], &tmpPowerTable[0], 437 64*sizeof(int16_t)); 438 } else { 439 jj = xgainList[0]; 440 numPcd = pRawCh->pDataPerXPD[jj].numPcdacs; 441 OS_MEMCPY(&pcdacs[0], &pRawCh->pDataPerXPD[jj].pcdac[0], 442 numPcd*sizeof(uint16_t)); 443 OS_MEMCPY(&powers[0], 444 &pRawCh->pDataPerXPD[jj].pwr_t4[0], 445 numPcd*sizeof(int16_t)); 446 if (!getFullPwrTable(numPcd, &pcdacs[0], &powers[0], 447 pRawCh->maxPower_t4, &tmpPowerTable[0])) { 448 return AH_FALSE; 449 } 450 OS_MEMCPY(&powTableLXPD[kk][0], &tmpPowerTable[0], 451 64 * sizeof(int16_t)); 452 453 jj = xgainList[1]; 454 numPcd = pRawCh->pDataPerXPD[jj].numPcdacs; 455 OS_MEMCPY(&pcdacs[0], &pRawCh->pDataPerXPD[jj].pcdac[0], 456 numPcd * sizeof(uint16_t)); 457 OS_MEMCPY(&powers[0], 458 &pRawCh->pDataPerXPD[jj].pwr_t4[0], 459 numPcd * sizeof(int16_t)); 460 if (!getFullPwrTable(numPcd, &pcdacs[0], &powers[0], 461 pRawCh->maxPower_t4, &tmpPowerTable[0])) { 462 return AH_FALSE; 463 } 464 OS_MEMCPY(&powTableHXPD[kk][0], &tmpPowerTable[0], 465 64 * sizeof(int16_t)); 466 } 467 kk++; 468 } 469 470 chan_L = pPowerExpn->pChannels[chan_idx_L]; 471 chan_R = pPowerExpn->pChannels[chan_idx_R]; 472 kk = chan_idx_R - chan_idx_L; 473 474 if (xgainList[1] == 0xDEAD) { 475 for (jj = 0; jj < 64; jj++) { 476 pwr_table0[jj] = interpolate_signed( 477 chan->channel, chan_L, chan_R, 478 powTableLXPD[0][jj], powTableLXPD[kk][jj]); 479 } 480 Pmin = getPminAndPcdacTableFromPowerTable(&pwr_table0[0], 481 ahp->ah_pcdacTable); 482 *pPowerMin = (int16_t) (Pmin / 2); 483 *pPowerMid = (int16_t) (pwr_table0[63] / 2); 484 *pPowerMax = (int16_t) (pwr_table0[63] / 2); 485 rfXpdGain[0] = xgainList[0]; 486 rfXpdGain[1] = rfXpdGain[0]; 487 } else { 488 for (jj = 0; jj < 64; jj++) { 489 pwr_table0[jj] = interpolate_signed( 490 chan->channel, chan_L, chan_R, 491 powTableLXPD[0][jj], powTableLXPD[kk][jj]); 492 pwr_table1[jj] = interpolate_signed( 493 chan->channel, chan_L, chan_R, 494 powTableHXPD[0][jj], powTableHXPD[kk][jj]); 495 } 496 if (numXpdGain == 2) { 497 Pmin = getPminAndPcdacTableFromTwoPowerTables( 498 &pwr_table0[0], &pwr_table1[0], 499 ahp->ah_pcdacTable, &Pmid); 500 *pPowerMin = (int16_t) (Pmin / 2); 501 *pPowerMid = (int16_t) (Pmid / 2); 502 *pPowerMax = (int16_t) (pwr_table0[63] / 2); 503 rfXpdGain[0] = xgainList[0]; 504 rfXpdGain[1] = xgainList[1]; 505 } else if (minPwr_t4 <= pwr_table1[63] && 506 maxPwr_t4 <= pwr_table1[63]) { 507 Pmin = getPminAndPcdacTableFromPowerTable( 508 &pwr_table1[0], ahp->ah_pcdacTable); 509 rfXpdGain[0] = xgainList[1]; 510 rfXpdGain[1] = rfXpdGain[0]; 511 *pPowerMin = (int16_t) (Pmin / 2); 512 *pPowerMid = (int16_t) (pwr_table1[63] / 2); 513 *pPowerMax = (int16_t) (pwr_table1[63] / 2); 514 } else { 515 Pmin = getPminAndPcdacTableFromPowerTable( 516 &pwr_table0[0], ahp->ah_pcdacTable); 517 rfXpdGain[0] = xgainList[0]; 518 rfXpdGain[1] = rfXpdGain[0]; 519 *pPowerMin = (int16_t) (Pmin/2); 520 *pPowerMid = (int16_t) (pwr_table0[63] / 2); 521 *pPowerMax = (int16_t) (pwr_table0[63] / 2); 522 } 523 } 524 525 /* 526 * Move 5112 rates to match power tables where the max 527 * power table entry corresponds with maxPower. 528 */ 529 HALASSERT(*pPowerMax <= PCDAC_STOP); 530 ahp->ah_txPowerIndexOffset = PCDAC_STOP - *pPowerMax; 531 532 return AH_TRUE; 533 } 534 535 /* 536 * Returns interpolated or the scaled up interpolated value 537 */ 538 static int16_t 539 interpolate_signed(uint16_t target, uint16_t srcLeft, uint16_t srcRight, 540 int16_t targetLeft, int16_t targetRight) 541 { 542 int16_t rv; 543 544 if (srcRight != srcLeft) { 545 rv = ((target - srcLeft)*targetRight + 546 (srcRight - target)*targetLeft) / (srcRight - srcLeft); 547 } else { 548 rv = targetLeft; 549 } 550 return rv; 551 } 552 553 /* 554 * Return indices surrounding the value in sorted integer lists. 555 * 556 * NB: the input list is assumed to be sorted in ascending order 557 */ 558 static void 559 ar5212GetLowerUpperIndex(uint16_t v, uint16_t *lp, uint16_t listSize, 560 uint32_t *vlo, uint32_t *vhi) 561 { 562 uint32_t target = v; 563 uint16_t *ep = lp+listSize; 564 uint16_t *tp; 565 566 /* 567 * Check first and last elements for out-of-bounds conditions. 568 */ 569 if (target < lp[0]) { 570 *vlo = *vhi = 0; 571 return; 572 } 573 if (target >= ep[-1]) { 574 *vlo = *vhi = listSize - 1; 575 return; 576 } 577 578 /* look for value being near or between 2 values in list */ 579 for (tp = lp; tp < ep; tp++) { 580 /* 581 * If value is close to the current value of the list 582 * then target is not between values, it is one of the values 583 */ 584 if (*tp == target) { 585 *vlo = *vhi = tp - lp; 586 return; 587 } 588 /* 589 * Look for value being between current value and next value 590 * if so return these 2 values 591 */ 592 if (target < tp[1]) { 593 *vlo = tp - lp; 594 *vhi = *vlo + 1; 595 return; 596 } 597 } 598 } 599 600 static HAL_BOOL 601 getFullPwrTable(uint16_t numPcdacs, uint16_t *pcdacs, int16_t *power, int16_t maxPower, int16_t *retVals) 602 { 603 uint16_t ii; 604 uint16_t idxL = 0; 605 uint16_t idxR = 1; 606 607 if (numPcdacs < 2) { 608 HALDEBUG(AH_NULL, HAL_DEBUG_ANY, 609 "%s: at least 2 pcdac values needed [%d]\n", 610 __func__, numPcdacs); 611 return AH_FALSE; 612 } 613 for (ii = 0; ii < 64; ii++) { 614 if (ii>pcdacs[idxR] && idxR < numPcdacs-1) { 615 idxL++; 616 idxR++; 617 } 618 retVals[ii] = interpolate_signed(ii, 619 pcdacs[idxL], pcdacs[idxR], power[idxL], power[idxR]); 620 if (retVals[ii] >= maxPower) { 621 while (ii < 64) 622 retVals[ii++] = maxPower; 623 } 624 } 625 return AH_TRUE; 626 } 627 628 /* 629 * Takes a single calibration curve and creates a power table. 630 * Adjusts the new power table so the max power is relative 631 * to the maximum index in the power table. 632 * 633 * WARNING: rates must be adjusted for this relative power table 634 */ 635 static int16_t 636 getPminAndPcdacTableFromPowerTable(int16_t *pwrTableT4, uint16_t retVals[]) 637 { 638 int16_t ii, jj, jjMax; 639 int16_t pMin, currPower, pMax; 640 641 /* If the spread is > 31.5dB, keep the upper 31.5dB range */ 642 if ((pwrTableT4[63] - pwrTableT4[0]) > 126) { 643 pMin = pwrTableT4[63] - 126; 644 } else { 645 pMin = pwrTableT4[0]; 646 } 647 648 pMax = pwrTableT4[63]; 649 jjMax = 63; 650 651 /* Search for highest pcdac 0.25dB below maxPower */ 652 while ((pwrTableT4[jjMax] > (pMax - 1) ) && (jjMax >= 0)) { 653 jjMax--; 654 } 655 656 jj = jjMax; 657 currPower = pMax; 658 for (ii = 63; ii >= 0; ii--) { 659 while ((jj < 64) && (jj > 0) && (pwrTableT4[jj] >= currPower)) { 660 jj--; 661 } 662 if (jj == 0) { 663 while (ii >= 0) { 664 retVals[ii] = retVals[ii + 1]; 665 ii--; 666 } 667 break; 668 } 669 retVals[ii] = jj; 670 currPower -= 2; // corresponds to a 0.5dB step 671 } 672 return pMin; 673 } 674 675 /* 676 * Combines the XPD curves from two calibration sets into a single 677 * power table and adjusts the power table so the max power is relative 678 * to the maximum index in the power table 679 * 680 * WARNING: rates must be adjusted for this relative power table 681 */ 682 static int16_t 683 getPminAndPcdacTableFromTwoPowerTables(int16_t *pwrTableLXpdT4, 684 int16_t *pwrTableHXpdT4, uint16_t retVals[], int16_t *pMid) 685 { 686 int16_t ii, jj, jjMax; 687 int16_t pMin, pMax, currPower; 688 int16_t *pwrTableT4; 689 uint16_t msbFlag = 0x40; // turns on the 7th bit of the pcdac 690 691 /* If the spread is > 31.5dB, keep the upper 31.5dB range */ 692 if ((pwrTableLXpdT4[63] - pwrTableHXpdT4[0]) > 126) { 693 pMin = pwrTableLXpdT4[63] - 126; 694 } else { 695 pMin = pwrTableHXpdT4[0]; 696 } 697 698 pMax = pwrTableLXpdT4[63]; 699 jjMax = 63; 700 /* Search for highest pcdac 0.25dB below maxPower */ 701 while ((pwrTableLXpdT4[jjMax] > (pMax - 1) ) && (jjMax >= 0)){ 702 jjMax--; 703 } 704 705 *pMid = pwrTableHXpdT4[63]; 706 jj = jjMax; 707 ii = 63; 708 currPower = pMax; 709 pwrTableT4 = &(pwrTableLXpdT4[0]); 710 while (ii >= 0) { 711 if ((currPower <= *pMid) || ( (jj == 0) && (msbFlag == 0x40))){ 712 msbFlag = 0x00; 713 pwrTableT4 = &(pwrTableHXpdT4[0]); 714 jj = 63; 715 } 716 while ((jj > 0) && (pwrTableT4[jj] >= currPower)) { 717 jj--; 718 } 719 if ((jj == 0) && (msbFlag == 0x00)) { 720 while (ii >= 0) { 721 retVals[ii] = retVals[ii+1]; 722 ii--; 723 } 724 break; 725 } 726 retVals[ii] = jj | msbFlag; 727 currPower -= 2; // corresponds to a 0.5dB step 728 ii--; 729 } 730 return pMin; 731 } 732 733 static int16_t 734 ar5112GetMinPower(struct ath_hal *ah, const EXPN_DATA_PER_CHANNEL_5112 *data) 735 { 736 int i, minIndex; 737 int16_t minGain,minPwr,minPcdac,retVal; 738 739 /* Assume NUM_POINTS_XPD0 > 0 */ 740 minGain = data->pDataPerXPD[0].xpd_gain; 741 for (minIndex=0,i=1; i<NUM_XPD_PER_CHANNEL; i++) { 742 if (data->pDataPerXPD[i].xpd_gain < minGain) { 743 minIndex = i; 744 minGain = data->pDataPerXPD[i].xpd_gain; 745 } 746 } 747 minPwr = data->pDataPerXPD[minIndex].pwr_t4[0]; 748 minPcdac = data->pDataPerXPD[minIndex].pcdac[0]; 749 for (i=1; i<NUM_POINTS_XPD0; i++) { 750 if (data->pDataPerXPD[minIndex].pwr_t4[i] < minPwr) { 751 minPwr = data->pDataPerXPD[minIndex].pwr_t4[i]; 752 minPcdac = data->pDataPerXPD[minIndex].pcdac[i]; 753 } 754 } 755 retVal = minPwr - (minPcdac*2); 756 return(retVal); 757 } 758 759 static HAL_BOOL 760 ar5112GetChannelMaxMinPower(struct ath_hal *ah, HAL_CHANNEL *chan, 761 int16_t *maxPow, int16_t *minPow) 762 { 763 const HAL_EEPROM *ee = AH_PRIVATE(ah)->ah_eeprom; 764 int numChannels=0,i,last; 765 int totalD, totalF,totalMin; 766 const EXPN_DATA_PER_CHANNEL_5112 *data=AH_NULL; 767 const EEPROM_POWER_EXPN_5112 *powerArray=AH_NULL; 768 769 *maxPow = 0; 770 if (IS_CHAN_A(chan)) { 771 powerArray = ee->ee_modePowerArray5112; 772 data = powerArray[headerInfo11A].pDataPerChannel; 773 numChannels = powerArray[headerInfo11A].numChannels; 774 } else if (IS_CHAN_G(chan) || IS_CHAN_108G(chan)) { 775 /* XXX - is this correct? Should we also use the same power for turbo G? */ 776 powerArray = ee->ee_modePowerArray5112; 777 data = powerArray[headerInfo11G].pDataPerChannel; 778 numChannels = powerArray[headerInfo11G].numChannels; 779 } else if (IS_CHAN_B(chan)) { 780 powerArray = ee->ee_modePowerArray5112; 781 data = powerArray[headerInfo11B].pDataPerChannel; 782 numChannels = powerArray[headerInfo11B].numChannels; 783 } else { 784 return (AH_TRUE); 785 } 786 /* Make sure the channel is in the range of the TP values 787 * (freq piers) 788 */ 789 if (numChannels < 1) 790 return(AH_FALSE); 791 792 if ((chan->channel < data[0].channelValue) || 793 (chan->channel > data[numChannels-1].channelValue)) { 794 if (chan->channel < data[0].channelValue) { 795 *maxPow = data[0].maxPower_t4; 796 *minPow = ar5112GetMinPower(ah, &data[0]); 797 return(AH_TRUE); 798 } else { 799 *maxPow = data[numChannels - 1].maxPower_t4; 800 *minPow = ar5112GetMinPower(ah, &data[numChannels - 1]); 801 return(AH_TRUE); 802 } 803 } 804 805 /* Linearly interpolate the power value now */ 806 for (last=0,i=0; 807 (i<numChannels) && (chan->channel > data[i].channelValue); 808 last=i++); 809 totalD = data[i].channelValue - data[last].channelValue; 810 if (totalD > 0) { 811 totalF = data[i].maxPower_t4 - data[last].maxPower_t4; 812 *maxPow = (int8_t) ((totalF*(chan->channel-data[last].channelValue) + data[last].maxPower_t4*totalD)/totalD); 813 814 totalMin = ar5112GetMinPower(ah,&data[i]) - ar5112GetMinPower(ah, &data[last]); 815 *minPow = (int8_t) ((totalMin*(chan->channel-data[last].channelValue) + ar5112GetMinPower(ah, &data[last])*totalD)/totalD); 816 return (AH_TRUE); 817 } else { 818 if (chan->channel == data[i].channelValue) { 819 *maxPow = data[i].maxPower_t4; 820 *minPow = ar5112GetMinPower(ah, &data[i]); 821 return(AH_TRUE); 822 } else 823 return(AH_FALSE); 824 } 825 } 826 827 /* 828 * Free memory for analog bank scratch buffers 829 */ 830 static void 831 ar5112RfDetach(struct ath_hal *ah) 832 { 833 struct ath_hal_5212 *ahp = AH5212(ah); 834 835 HALASSERT(ahp->ah_rfHal != AH_NULL); 836 ath_hal_free(ahp->ah_rfHal); 837 ahp->ah_rfHal = AH_NULL; 838 } 839 840 /* 841 * Allocate memory for analog bank scratch buffers 842 * Scratch Buffer will be reinitialized every reset so no need to zero now 843 */ 844 static HAL_BOOL 845 ar5112RfAttach(struct ath_hal *ah, HAL_STATUS *status) 846 { 847 struct ath_hal_5212 *ahp = AH5212(ah); 848 struct ar5112State *priv; 849 850 HALASSERT(ah->ah_magic == AR5212_MAGIC); 851 852 HALASSERT(ahp->ah_rfHal == AH_NULL); 853 priv = ath_hal_malloc(sizeof(struct ar5112State)); 854 if (priv == AH_NULL) { 855 HALDEBUG(ah, HAL_DEBUG_ANY, 856 "%s: cannot allocate private state\n", __func__); 857 *status = HAL_ENOMEM; /* XXX */ 858 return AH_FALSE; 859 } 860 priv->base.rfDetach = ar5112RfDetach; 861 priv->base.writeRegs = ar5112WriteRegs; 862 priv->base.getRfBank = ar5112GetRfBank; 863 priv->base.setChannel = ar5112SetChannel; 864 priv->base.setRfRegs = ar5112SetRfRegs; 865 priv->base.setPowerTable = ar5112SetPowerTable; 866 priv->base.getChannelMaxMinPower = ar5112GetChannelMaxMinPower; 867 priv->base.getNfAdjust = ar5212GetNfAdjust; 868 869 ahp->ah_pcdacTable = priv->pcdacTable; 870 ahp->ah_pcdacTableSize = sizeof(priv->pcdacTable); 871 ahp->ah_rfHal = &priv->base; 872 873 return AH_TRUE; 874 } 875 876 static HAL_BOOL 877 ar5112Probe(struct ath_hal *ah) 878 { 879 return IS_RAD5112(ah); 880 } 881 AH_RF(RF5112, ar5112Probe, ar5112RfAttach); 882