1 /* 2 * Copyright (c) 2008-2011 Atheros Communications Inc. 3 * 4 * Permission to use, copy, modify, and/or distribute this software for any 5 * purpose with or without fee is hereby granted, provided that the above 6 * copyright notice and this permission notice appear in all copies. 7 * 8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15 */ 16 17 #include "hw.h" 18 #include "hw-ops.h" 19 #include "ar9002_phy.h" 20 21 #define AR9285_CLCAL_REDO_THRESH 1 22 23 enum ar9002_cal_types { 24 ADC_GAIN_CAL = BIT(0), 25 ADC_DC_CAL = BIT(1), 26 IQ_MISMATCH_CAL = BIT(2), 27 }; 28 29 static bool ar9002_hw_is_cal_supported(struct ath_hw *ah, 30 struct ath9k_channel *chan, 31 enum ar9002_cal_types cal_type) 32 { 33 bool supported = false; 34 switch (ah->supp_cals & cal_type) { 35 case IQ_MISMATCH_CAL: 36 supported = true; 37 break; 38 case ADC_GAIN_CAL: 39 case ADC_DC_CAL: 40 /* Run ADC Gain Cal for non-CCK & non 2GHz-HT20 only */ 41 if (!((IS_CHAN_2GHZ(chan) || IS_CHAN_A_FAST_CLOCK(ah, chan)) && 42 IS_CHAN_HT20(chan))) 43 supported = true; 44 break; 45 } 46 return supported; 47 } 48 49 static void ar9002_hw_setup_calibration(struct ath_hw *ah, 50 struct ath9k_cal_list *currCal) 51 { 52 struct ath_common *common = ath9k_hw_common(ah); 53 54 REG_RMW_FIELD(ah, AR_PHY_TIMING_CTRL4(0), 55 AR_PHY_TIMING_CTRL4_IQCAL_LOG_COUNT_MAX, 56 currCal->calData->calCountMax); 57 58 switch (currCal->calData->calType) { 59 case IQ_MISMATCH_CAL: 60 REG_WRITE(ah, AR_PHY_CALMODE, AR_PHY_CALMODE_IQ); 61 ath_dbg(common, CALIBRATE, 62 "starting IQ Mismatch Calibration\n"); 63 break; 64 case ADC_GAIN_CAL: 65 REG_WRITE(ah, AR_PHY_CALMODE, AR_PHY_CALMODE_ADC_GAIN); 66 ath_dbg(common, CALIBRATE, "starting ADC Gain Calibration\n"); 67 break; 68 case ADC_DC_CAL: 69 REG_WRITE(ah, AR_PHY_CALMODE, AR_PHY_CALMODE_ADC_DC_PER); 70 ath_dbg(common, CALIBRATE, "starting ADC DC Calibration\n"); 71 break; 72 } 73 74 REG_SET_BIT(ah, AR_PHY_TIMING_CTRL4(0), 75 AR_PHY_TIMING_CTRL4_DO_CAL); 76 } 77 78 static bool ar9002_hw_per_calibration(struct ath_hw *ah, 79 struct ath9k_channel *ichan, 80 u8 rxchainmask, 81 struct ath9k_cal_list *currCal) 82 { 83 struct ath9k_hw_cal_data *caldata = ah->caldata; 84 bool iscaldone = false; 85 86 if (currCal->calState == CAL_RUNNING) { 87 if (!(REG_READ(ah, AR_PHY_TIMING_CTRL4(0)) & 88 AR_PHY_TIMING_CTRL4_DO_CAL)) { 89 90 currCal->calData->calCollect(ah); 91 ah->cal_samples++; 92 93 if (ah->cal_samples >= 94 currCal->calData->calNumSamples) { 95 int i, numChains = 0; 96 for (i = 0; i < AR5416_MAX_CHAINS; i++) { 97 if (rxchainmask & (1 << i)) 98 numChains++; 99 } 100 101 currCal->calData->calPostProc(ah, numChains); 102 caldata->CalValid |= currCal->calData->calType; 103 currCal->calState = CAL_DONE; 104 iscaldone = true; 105 } else { 106 ar9002_hw_setup_calibration(ah, currCal); 107 } 108 } 109 } else if (!(caldata->CalValid & currCal->calData->calType)) { 110 ath9k_hw_reset_calibration(ah, currCal); 111 } 112 113 return iscaldone; 114 } 115 116 static void ar9002_hw_iqcal_collect(struct ath_hw *ah) 117 { 118 int i; 119 120 for (i = 0; i < AR5416_MAX_CHAINS; i++) { 121 ah->totalPowerMeasI[i] += 122 REG_READ(ah, AR_PHY_CAL_MEAS_0(i)); 123 ah->totalPowerMeasQ[i] += 124 REG_READ(ah, AR_PHY_CAL_MEAS_1(i)); 125 ah->totalIqCorrMeas[i] += 126 (int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_2(i)); 127 ath_dbg(ath9k_hw_common(ah), CALIBRATE, 128 "%d: Chn %d pmi=0x%08x;pmq=0x%08x;iqcm=0x%08x;\n", 129 ah->cal_samples, i, ah->totalPowerMeasI[i], 130 ah->totalPowerMeasQ[i], 131 ah->totalIqCorrMeas[i]); 132 } 133 } 134 135 static void ar9002_hw_adc_gaincal_collect(struct ath_hw *ah) 136 { 137 int i; 138 139 for (i = 0; i < AR5416_MAX_CHAINS; i++) { 140 ah->totalAdcIOddPhase[i] += 141 REG_READ(ah, AR_PHY_CAL_MEAS_0(i)); 142 ah->totalAdcIEvenPhase[i] += 143 REG_READ(ah, AR_PHY_CAL_MEAS_1(i)); 144 ah->totalAdcQOddPhase[i] += 145 REG_READ(ah, AR_PHY_CAL_MEAS_2(i)); 146 ah->totalAdcQEvenPhase[i] += 147 REG_READ(ah, AR_PHY_CAL_MEAS_3(i)); 148 149 ath_dbg(ath9k_hw_common(ah), CALIBRATE, 150 "%d: Chn %d oddi=0x%08x; eveni=0x%08x; oddq=0x%08x; evenq=0x%08x;\n", 151 ah->cal_samples, i, 152 ah->totalAdcIOddPhase[i], 153 ah->totalAdcIEvenPhase[i], 154 ah->totalAdcQOddPhase[i], 155 ah->totalAdcQEvenPhase[i]); 156 } 157 } 158 159 static void ar9002_hw_adc_dccal_collect(struct ath_hw *ah) 160 { 161 int i; 162 163 for (i = 0; i < AR5416_MAX_CHAINS; i++) { 164 ah->totalAdcDcOffsetIOddPhase[i] += 165 (int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_0(i)); 166 ah->totalAdcDcOffsetIEvenPhase[i] += 167 (int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_1(i)); 168 ah->totalAdcDcOffsetQOddPhase[i] += 169 (int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_2(i)); 170 ah->totalAdcDcOffsetQEvenPhase[i] += 171 (int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_3(i)); 172 173 ath_dbg(ath9k_hw_common(ah), CALIBRATE, 174 "%d: Chn %d oddi=0x%08x; eveni=0x%08x; oddq=0x%08x; evenq=0x%08x;\n", 175 ah->cal_samples, i, 176 ah->totalAdcDcOffsetIOddPhase[i], 177 ah->totalAdcDcOffsetIEvenPhase[i], 178 ah->totalAdcDcOffsetQOddPhase[i], 179 ah->totalAdcDcOffsetQEvenPhase[i]); 180 } 181 } 182 183 static void ar9002_hw_iqcalibrate(struct ath_hw *ah, u8 numChains) 184 { 185 struct ath_common *common = ath9k_hw_common(ah); 186 u32 powerMeasQ, powerMeasI, iqCorrMeas; 187 u32 qCoffDenom, iCoffDenom; 188 int32_t qCoff, iCoff; 189 int iqCorrNeg, i; 190 191 for (i = 0; i < numChains; i++) { 192 powerMeasI = ah->totalPowerMeasI[i]; 193 powerMeasQ = ah->totalPowerMeasQ[i]; 194 iqCorrMeas = ah->totalIqCorrMeas[i]; 195 196 ath_dbg(common, CALIBRATE, 197 "Starting IQ Cal and Correction for Chain %d\n", 198 i); 199 200 ath_dbg(common, CALIBRATE, 201 "Original: Chn %d iq_corr_meas = 0x%08x\n", 202 i, ah->totalIqCorrMeas[i]); 203 204 iqCorrNeg = 0; 205 206 if (iqCorrMeas > 0x80000000) { 207 iqCorrMeas = (0xffffffff - iqCorrMeas) + 1; 208 iqCorrNeg = 1; 209 } 210 211 ath_dbg(common, CALIBRATE, "Chn %d pwr_meas_i = 0x%08x\n", 212 i, powerMeasI); 213 ath_dbg(common, CALIBRATE, "Chn %d pwr_meas_q = 0x%08x\n", 214 i, powerMeasQ); 215 ath_dbg(common, CALIBRATE, "iqCorrNeg is 0x%08x\n", iqCorrNeg); 216 217 iCoffDenom = (powerMeasI / 2 + powerMeasQ / 2) / 128; 218 qCoffDenom = powerMeasQ / 64; 219 220 if ((powerMeasQ != 0) && (iCoffDenom != 0) && 221 (qCoffDenom != 0)) { 222 iCoff = iqCorrMeas / iCoffDenom; 223 qCoff = powerMeasI / qCoffDenom - 64; 224 ath_dbg(common, CALIBRATE, "Chn %d iCoff = 0x%08x\n", 225 i, iCoff); 226 ath_dbg(common, CALIBRATE, "Chn %d qCoff = 0x%08x\n", 227 i, qCoff); 228 229 iCoff = iCoff & 0x3f; 230 ath_dbg(common, CALIBRATE, 231 "New: Chn %d iCoff = 0x%08x\n", i, iCoff); 232 if (iqCorrNeg == 0x0) 233 iCoff = 0x40 - iCoff; 234 235 if (qCoff > 15) 236 qCoff = 15; 237 else if (qCoff <= -16) 238 qCoff = -16; 239 240 ath_dbg(common, CALIBRATE, 241 "Chn %d : iCoff = 0x%x qCoff = 0x%x\n", 242 i, iCoff, qCoff); 243 244 REG_RMW_FIELD(ah, AR_PHY_TIMING_CTRL4(i), 245 AR_PHY_TIMING_CTRL4_IQCORR_Q_I_COFF, 246 iCoff); 247 REG_RMW_FIELD(ah, AR_PHY_TIMING_CTRL4(i), 248 AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF, 249 qCoff); 250 ath_dbg(common, CALIBRATE, 251 "IQ Cal and Correction done for Chain %d\n", 252 i); 253 } 254 } 255 256 REG_SET_BIT(ah, AR_PHY_TIMING_CTRL4(0), 257 AR_PHY_TIMING_CTRL4_IQCORR_ENABLE); 258 } 259 260 static void ar9002_hw_adc_gaincal_calibrate(struct ath_hw *ah, u8 numChains) 261 { 262 struct ath_common *common = ath9k_hw_common(ah); 263 u32 iOddMeasOffset, iEvenMeasOffset, qOddMeasOffset, qEvenMeasOffset; 264 u32 qGainMismatch, iGainMismatch, val, i; 265 266 for (i = 0; i < numChains; i++) { 267 iOddMeasOffset = ah->totalAdcIOddPhase[i]; 268 iEvenMeasOffset = ah->totalAdcIEvenPhase[i]; 269 qOddMeasOffset = ah->totalAdcQOddPhase[i]; 270 qEvenMeasOffset = ah->totalAdcQEvenPhase[i]; 271 272 ath_dbg(common, CALIBRATE, 273 "Starting ADC Gain Cal for Chain %d\n", i); 274 275 ath_dbg(common, CALIBRATE, "Chn %d pwr_meas_odd_i = 0x%08x\n", 276 i, iOddMeasOffset); 277 ath_dbg(common, CALIBRATE, "Chn %d pwr_meas_even_i = 0x%08x\n", 278 i, iEvenMeasOffset); 279 ath_dbg(common, CALIBRATE, "Chn %d pwr_meas_odd_q = 0x%08x\n", 280 i, qOddMeasOffset); 281 ath_dbg(common, CALIBRATE, "Chn %d pwr_meas_even_q = 0x%08x\n", 282 i, qEvenMeasOffset); 283 284 if (iOddMeasOffset != 0 && qEvenMeasOffset != 0) { 285 iGainMismatch = 286 ((iEvenMeasOffset * 32) / 287 iOddMeasOffset) & 0x3f; 288 qGainMismatch = 289 ((qOddMeasOffset * 32) / 290 qEvenMeasOffset) & 0x3f; 291 292 ath_dbg(common, CALIBRATE, 293 "Chn %d gain_mismatch_i = 0x%08x\n", 294 i, iGainMismatch); 295 ath_dbg(common, CALIBRATE, 296 "Chn %d gain_mismatch_q = 0x%08x\n", 297 i, qGainMismatch); 298 299 val = REG_READ(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(i)); 300 val &= 0xfffff000; 301 val |= (qGainMismatch) | (iGainMismatch << 6); 302 REG_WRITE(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(i), val); 303 304 ath_dbg(common, CALIBRATE, 305 "ADC Gain Cal done for Chain %d\n", i); 306 } 307 } 308 309 REG_WRITE(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(0), 310 REG_READ(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(0)) | 311 AR_PHY_NEW_ADC_GAIN_CORR_ENABLE); 312 } 313 314 static void ar9002_hw_adc_dccal_calibrate(struct ath_hw *ah, u8 numChains) 315 { 316 struct ath_common *common = ath9k_hw_common(ah); 317 u32 iOddMeasOffset, iEvenMeasOffset, val, i; 318 int32_t qOddMeasOffset, qEvenMeasOffset, qDcMismatch, iDcMismatch; 319 const struct ath9k_percal_data *calData = 320 ah->cal_list_curr->calData; 321 u32 numSamples = 322 (1 << (calData->calCountMax + 5)) * calData->calNumSamples; 323 324 for (i = 0; i < numChains; i++) { 325 iOddMeasOffset = ah->totalAdcDcOffsetIOddPhase[i]; 326 iEvenMeasOffset = ah->totalAdcDcOffsetIEvenPhase[i]; 327 qOddMeasOffset = ah->totalAdcDcOffsetQOddPhase[i]; 328 qEvenMeasOffset = ah->totalAdcDcOffsetQEvenPhase[i]; 329 330 ath_dbg(common, CALIBRATE, 331 "Starting ADC DC Offset Cal for Chain %d\n", i); 332 333 ath_dbg(common, CALIBRATE, "Chn %d pwr_meas_odd_i = %d\n", 334 i, iOddMeasOffset); 335 ath_dbg(common, CALIBRATE, "Chn %d pwr_meas_even_i = %d\n", 336 i, iEvenMeasOffset); 337 ath_dbg(common, CALIBRATE, "Chn %d pwr_meas_odd_q = %d\n", 338 i, qOddMeasOffset); 339 ath_dbg(common, CALIBRATE, "Chn %d pwr_meas_even_q = %d\n", 340 i, qEvenMeasOffset); 341 342 iDcMismatch = (((iEvenMeasOffset - iOddMeasOffset) * 2) / 343 numSamples) & 0x1ff; 344 qDcMismatch = (((qOddMeasOffset - qEvenMeasOffset) * 2) / 345 numSamples) & 0x1ff; 346 347 ath_dbg(common, CALIBRATE, 348 "Chn %d dc_offset_mismatch_i = 0x%08x\n", 349 i, iDcMismatch); 350 ath_dbg(common, CALIBRATE, 351 "Chn %d dc_offset_mismatch_q = 0x%08x\n", 352 i, qDcMismatch); 353 354 val = REG_READ(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(i)); 355 val &= 0xc0000fff; 356 val |= (qDcMismatch << 12) | (iDcMismatch << 21); 357 REG_WRITE(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(i), val); 358 359 ath_dbg(common, CALIBRATE, 360 "ADC DC Offset Cal done for Chain %d\n", i); 361 } 362 363 REG_WRITE(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(0), 364 REG_READ(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(0)) | 365 AR_PHY_NEW_ADC_DC_OFFSET_CORR_ENABLE); 366 } 367 368 static void ar9287_hw_olc_temp_compensation(struct ath_hw *ah) 369 { 370 u32 rddata; 371 int32_t delta, currPDADC, slope; 372 373 rddata = REG_READ(ah, AR_PHY_TX_PWRCTRL4); 374 currPDADC = MS(rddata, AR_PHY_TX_PWRCTRL_PD_AVG_OUT); 375 376 if (ah->initPDADC == 0 || currPDADC == 0) { 377 /* 378 * Zero value indicates that no frames have been transmitted 379 * yet, can't do temperature compensation until frames are 380 * transmitted. 381 */ 382 return; 383 } else { 384 slope = ah->eep_ops->get_eeprom(ah, EEP_TEMPSENSE_SLOPE); 385 386 if (slope == 0) { /* to avoid divide by zero case */ 387 delta = 0; 388 } else { 389 delta = ((currPDADC - ah->initPDADC)*4) / slope; 390 } 391 REG_RMW_FIELD(ah, AR_PHY_CH0_TX_PWRCTRL11, 392 AR_PHY_TX_PWRCTRL_OLPC_TEMP_COMP, delta); 393 REG_RMW_FIELD(ah, AR_PHY_CH1_TX_PWRCTRL11, 394 AR_PHY_TX_PWRCTRL_OLPC_TEMP_COMP, delta); 395 } 396 } 397 398 static void ar9280_hw_olc_temp_compensation(struct ath_hw *ah) 399 { 400 u32 rddata, i; 401 int delta, currPDADC, regval; 402 403 rddata = REG_READ(ah, AR_PHY_TX_PWRCTRL4); 404 currPDADC = MS(rddata, AR_PHY_TX_PWRCTRL_PD_AVG_OUT); 405 406 if (ah->initPDADC == 0 || currPDADC == 0) 407 return; 408 409 if (ah->eep_ops->get_eeprom(ah, EEP_DAC_HPWR_5G)) 410 delta = (currPDADC - ah->initPDADC + 4) / 8; 411 else 412 delta = (currPDADC - ah->initPDADC + 5) / 10; 413 414 if (delta != ah->PDADCdelta) { 415 ah->PDADCdelta = delta; 416 for (i = 1; i < AR9280_TX_GAIN_TABLE_SIZE; i++) { 417 regval = ah->originalGain[i] - delta; 418 if (regval < 0) 419 regval = 0; 420 421 REG_RMW_FIELD(ah, 422 AR_PHY_TX_GAIN_TBL1 + i * 4, 423 AR_PHY_TX_GAIN, regval); 424 } 425 } 426 } 427 428 static void ar9271_hw_pa_cal(struct ath_hw *ah, bool is_reset) 429 { 430 u32 regVal; 431 unsigned int i; 432 u32 regList[][2] = { 433 { 0x786c, 0 }, 434 { 0x7854, 0 }, 435 { 0x7820, 0 }, 436 { 0x7824, 0 }, 437 { 0x7868, 0 }, 438 { 0x783c, 0 }, 439 { 0x7838, 0 } , 440 { 0x7828, 0 } , 441 }; 442 443 for (i = 0; i < ARRAY_SIZE(regList); i++) 444 regList[i][1] = REG_READ(ah, regList[i][0]); 445 446 regVal = REG_READ(ah, 0x7834); 447 regVal &= (~(0x1)); 448 REG_WRITE(ah, 0x7834, regVal); 449 regVal = REG_READ(ah, 0x9808); 450 regVal |= (0x1 << 27); 451 REG_WRITE(ah, 0x9808, regVal); 452 453 /* 786c,b23,1, pwddac=1 */ 454 REG_RMW_FIELD(ah, AR9285_AN_TOP3, AR9285_AN_TOP3_PWDDAC, 1); 455 /* 7854, b5,1, pdrxtxbb=1 */ 456 REG_RMW_FIELD(ah, AR9285_AN_RXTXBB1, AR9285_AN_RXTXBB1_PDRXTXBB1, 1); 457 /* 7854, b7,1, pdv2i=1 */ 458 REG_RMW_FIELD(ah, AR9285_AN_RXTXBB1, AR9285_AN_RXTXBB1_PDV2I, 1); 459 /* 7854, b8,1, pddacinterface=1 */ 460 REG_RMW_FIELD(ah, AR9285_AN_RXTXBB1, AR9285_AN_RXTXBB1_PDDACIF, 1); 461 /* 7824,b12,0, offcal=0 */ 462 REG_RMW_FIELD(ah, AR9285_AN_RF2G2, AR9285_AN_RF2G2_OFFCAL, 0); 463 /* 7838, b1,0, pwddb=0 */ 464 REG_RMW_FIELD(ah, AR9285_AN_RF2G7, AR9285_AN_RF2G7_PWDDB, 0); 465 /* 7820,b11,0, enpacal=0 */ 466 REG_RMW_FIELD(ah, AR9285_AN_RF2G1, AR9285_AN_RF2G1_ENPACAL, 0); 467 /* 7820,b25,1, pdpadrv1=0 */ 468 REG_RMW_FIELD(ah, AR9285_AN_RF2G1, AR9285_AN_RF2G1_PDPADRV1, 0); 469 /* 7820,b24,0, pdpadrv2=0 */ 470 REG_RMW_FIELD(ah, AR9285_AN_RF2G1, AR9285_AN_RF2G1_PDPADRV2, 0); 471 /* 7820,b23,0, pdpaout=0 */ 472 REG_RMW_FIELD(ah, AR9285_AN_RF2G1, AR9285_AN_RF2G1_PDPAOUT, 0); 473 /* 783c,b14-16,7, padrvgn2tab_0=7 */ 474 REG_RMW_FIELD(ah, AR9285_AN_RF2G8, AR9285_AN_RF2G8_PADRVGN2TAB0, 7); 475 /* 476 * 7838,b29-31,0, padrvgn1tab_0=0 477 * does not matter since we turn it off 478 */ 479 REG_RMW_FIELD(ah, AR9285_AN_RF2G7, AR9285_AN_RF2G7_PADRVGN2TAB0, 0); 480 481 REG_RMW_FIELD(ah, AR9285_AN_RF2G3, AR9271_AN_RF2G3_CCOMP, 0xfff); 482 483 /* Set: 484 * localmode=1,bmode=1,bmoderxtx=1,synthon=1, 485 * txon=1,paon=1,oscon=1,synthon_force=1 486 */ 487 REG_WRITE(ah, AR9285_AN_TOP2, 0xca0358a0); 488 udelay(30); 489 REG_RMW_FIELD(ah, AR9285_AN_RF2G6, AR9271_AN_RF2G6_OFFS, 0); 490 491 /* find off_6_1; */ 492 for (i = 6; i > 0; i--) { 493 regVal = REG_READ(ah, 0x7834); 494 regVal |= (1 << (20 + i)); 495 REG_WRITE(ah, 0x7834, regVal); 496 udelay(1); 497 /* regVal = REG_READ(ah, 0x7834); */ 498 regVal &= (~(0x1 << (20 + i))); 499 regVal |= (MS(REG_READ(ah, 0x7840), AR9285_AN_RXTXBB1_SPARE9) 500 << (20 + i)); 501 REG_WRITE(ah, 0x7834, regVal); 502 } 503 504 regVal = (regVal >> 20) & 0x7f; 505 506 /* Update PA cal info */ 507 if ((!is_reset) && (ah->pacal_info.prev_offset == regVal)) { 508 if (ah->pacal_info.max_skipcount < MAX_PACAL_SKIPCOUNT) 509 ah->pacal_info.max_skipcount = 510 2 * ah->pacal_info.max_skipcount; 511 ah->pacal_info.skipcount = ah->pacal_info.max_skipcount; 512 } else { 513 ah->pacal_info.max_skipcount = 1; 514 ah->pacal_info.skipcount = 0; 515 ah->pacal_info.prev_offset = regVal; 516 } 517 518 ENABLE_REGWRITE_BUFFER(ah); 519 520 regVal = REG_READ(ah, 0x7834); 521 regVal |= 0x1; 522 REG_WRITE(ah, 0x7834, regVal); 523 regVal = REG_READ(ah, 0x9808); 524 regVal &= (~(0x1 << 27)); 525 REG_WRITE(ah, 0x9808, regVal); 526 527 for (i = 0; i < ARRAY_SIZE(regList); i++) 528 REG_WRITE(ah, regList[i][0], regList[i][1]); 529 530 REGWRITE_BUFFER_FLUSH(ah); 531 } 532 533 static inline void ar9285_hw_pa_cal(struct ath_hw *ah, bool is_reset) 534 { 535 struct ath_common *common = ath9k_hw_common(ah); 536 u32 regVal; 537 int i, offset, offs_6_1, offs_0; 538 u32 ccomp_org, reg_field; 539 u32 regList[][2] = { 540 { 0x786c, 0 }, 541 { 0x7854, 0 }, 542 { 0x7820, 0 }, 543 { 0x7824, 0 }, 544 { 0x7868, 0 }, 545 { 0x783c, 0 }, 546 { 0x7838, 0 }, 547 }; 548 549 ath_dbg(common, CALIBRATE, "Running PA Calibration\n"); 550 551 /* PA CAL is not needed for high power solution */ 552 if (ah->eep_ops->get_eeprom(ah, EEP_TXGAIN_TYPE) == 553 AR5416_EEP_TXGAIN_HIGH_POWER) 554 return; 555 556 for (i = 0; i < ARRAY_SIZE(regList); i++) 557 regList[i][1] = REG_READ(ah, regList[i][0]); 558 559 regVal = REG_READ(ah, 0x7834); 560 regVal &= (~(0x1)); 561 REG_WRITE(ah, 0x7834, regVal); 562 regVal = REG_READ(ah, 0x9808); 563 regVal |= (0x1 << 27); 564 REG_WRITE(ah, 0x9808, regVal); 565 566 REG_RMW_FIELD(ah, AR9285_AN_TOP3, AR9285_AN_TOP3_PWDDAC, 1); 567 REG_RMW_FIELD(ah, AR9285_AN_RXTXBB1, AR9285_AN_RXTXBB1_PDRXTXBB1, 1); 568 REG_RMW_FIELD(ah, AR9285_AN_RXTXBB1, AR9285_AN_RXTXBB1_PDV2I, 1); 569 REG_RMW_FIELD(ah, AR9285_AN_RXTXBB1, AR9285_AN_RXTXBB1_PDDACIF, 1); 570 REG_RMW_FIELD(ah, AR9285_AN_RF2G2, AR9285_AN_RF2G2_OFFCAL, 0); 571 REG_RMW_FIELD(ah, AR9285_AN_RF2G7, AR9285_AN_RF2G7_PWDDB, 0); 572 REG_RMW_FIELD(ah, AR9285_AN_RF2G1, AR9285_AN_RF2G1_ENPACAL, 0); 573 REG_RMW_FIELD(ah, AR9285_AN_RF2G1, AR9285_AN_RF2G1_PDPADRV1, 0); 574 REG_RMW_FIELD(ah, AR9285_AN_RF2G1, AR9285_AN_RF2G1_PDPADRV2, 0); 575 REG_RMW_FIELD(ah, AR9285_AN_RF2G1, AR9285_AN_RF2G1_PDPAOUT, 0); 576 REG_RMW_FIELD(ah, AR9285_AN_RF2G8, AR9285_AN_RF2G8_PADRVGN2TAB0, 7); 577 REG_RMW_FIELD(ah, AR9285_AN_RF2G7, AR9285_AN_RF2G7_PADRVGN2TAB0, 0); 578 ccomp_org = MS(REG_READ(ah, AR9285_AN_RF2G6), AR9285_AN_RF2G6_CCOMP); 579 REG_RMW_FIELD(ah, AR9285_AN_RF2G6, AR9285_AN_RF2G6_CCOMP, 0xf); 580 581 REG_WRITE(ah, AR9285_AN_TOP2, 0xca0358a0); 582 udelay(30); 583 REG_RMW_FIELD(ah, AR9285_AN_RF2G6, AR9285_AN_RF2G6_OFFS, 0); 584 REG_RMW_FIELD(ah, AR9285_AN_RF2G3, AR9285_AN_RF2G3_PDVCCOMP, 0); 585 586 for (i = 6; i > 0; i--) { 587 regVal = REG_READ(ah, 0x7834); 588 regVal |= (1 << (19 + i)); 589 REG_WRITE(ah, 0x7834, regVal); 590 udelay(1); 591 regVal = REG_READ(ah, 0x7834); 592 regVal &= (~(0x1 << (19 + i))); 593 reg_field = MS(REG_READ(ah, 0x7840), AR9285_AN_RXTXBB1_SPARE9); 594 regVal |= (reg_field << (19 + i)); 595 REG_WRITE(ah, 0x7834, regVal); 596 } 597 598 REG_RMW_FIELD(ah, AR9285_AN_RF2G3, AR9285_AN_RF2G3_PDVCCOMP, 1); 599 udelay(1); 600 reg_field = MS(REG_READ(ah, AR9285_AN_RF2G9), AR9285_AN_RXTXBB1_SPARE9); 601 REG_RMW_FIELD(ah, AR9285_AN_RF2G3, AR9285_AN_RF2G3_PDVCCOMP, reg_field); 602 offs_6_1 = MS(REG_READ(ah, AR9285_AN_RF2G6), AR9285_AN_RF2G6_OFFS); 603 offs_0 = MS(REG_READ(ah, AR9285_AN_RF2G3), AR9285_AN_RF2G3_PDVCCOMP); 604 605 offset = (offs_6_1<<1) | offs_0; 606 offset = offset - 0; 607 offs_6_1 = offset>>1; 608 offs_0 = offset & 1; 609 610 if ((!is_reset) && (ah->pacal_info.prev_offset == offset)) { 611 if (ah->pacal_info.max_skipcount < MAX_PACAL_SKIPCOUNT) 612 ah->pacal_info.max_skipcount = 613 2 * ah->pacal_info.max_skipcount; 614 ah->pacal_info.skipcount = ah->pacal_info.max_skipcount; 615 } else { 616 ah->pacal_info.max_skipcount = 1; 617 ah->pacal_info.skipcount = 0; 618 ah->pacal_info.prev_offset = offset; 619 } 620 621 REG_RMW_FIELD(ah, AR9285_AN_RF2G6, AR9285_AN_RF2G6_OFFS, offs_6_1); 622 REG_RMW_FIELD(ah, AR9285_AN_RF2G3, AR9285_AN_RF2G3_PDVCCOMP, offs_0); 623 624 regVal = REG_READ(ah, 0x7834); 625 regVal |= 0x1; 626 REG_WRITE(ah, 0x7834, regVal); 627 regVal = REG_READ(ah, 0x9808); 628 regVal &= (~(0x1 << 27)); 629 REG_WRITE(ah, 0x9808, regVal); 630 631 for (i = 0; i < ARRAY_SIZE(regList); i++) 632 REG_WRITE(ah, regList[i][0], regList[i][1]); 633 634 REG_RMW_FIELD(ah, AR9285_AN_RF2G6, AR9285_AN_RF2G6_CCOMP, ccomp_org); 635 } 636 637 static void ar9002_hw_pa_cal(struct ath_hw *ah, bool is_reset) 638 { 639 if (AR_SREV_9271(ah)) { 640 if (is_reset || !ah->pacal_info.skipcount) 641 ar9271_hw_pa_cal(ah, is_reset); 642 else 643 ah->pacal_info.skipcount--; 644 } else if (AR_SREV_9285_12_OR_LATER(ah)) { 645 if (is_reset || !ah->pacal_info.skipcount) 646 ar9285_hw_pa_cal(ah, is_reset); 647 else 648 ah->pacal_info.skipcount--; 649 } 650 } 651 652 static void ar9002_hw_olc_temp_compensation(struct ath_hw *ah) 653 { 654 if (OLC_FOR_AR9287_10_LATER) 655 ar9287_hw_olc_temp_compensation(ah); 656 else if (OLC_FOR_AR9280_20_LATER) 657 ar9280_hw_olc_temp_compensation(ah); 658 } 659 660 static int ar9002_hw_calibrate(struct ath_hw *ah, struct ath9k_channel *chan, 661 u8 rxchainmask, bool longcal) 662 { 663 struct ath9k_cal_list *currCal = ah->cal_list_curr; 664 bool nfcal, nfcal_pending = false, percal_pending; 665 int ret; 666 667 nfcal = !!(REG_READ(ah, AR_PHY_AGC_CONTROL) & AR_PHY_AGC_CONTROL_NF); 668 if (ah->caldata) 669 nfcal_pending = test_bit(NFCAL_PENDING, &ah->caldata->cal_flags); 670 671 percal_pending = (currCal && 672 (currCal->calState == CAL_RUNNING || 673 currCal->calState == CAL_WAITING)); 674 675 if (percal_pending && !nfcal) { 676 if (!ar9002_hw_per_calibration(ah, chan, rxchainmask, currCal)) 677 return 0; 678 679 ah->cal_list_curr = currCal = currCal->calNext; 680 if (currCal->calState == CAL_WAITING) { 681 ath9k_hw_reset_calibration(ah, currCal); 682 return 0; 683 } 684 } 685 686 /* Do NF cal only at longer intervals */ 687 if (longcal || nfcal_pending) { 688 /* 689 * Get the value from the previous NF cal and update 690 * history buffer. 691 */ 692 if (ath9k_hw_getnf(ah, chan)) { 693 /* 694 * Load the NF from history buffer of the current 695 * channel. 696 * NF is slow time-variant, so it is OK to use a 697 * historical value. 698 */ 699 ret = ath9k_hw_loadnf(ah, ah->curchan); 700 if (ret < 0) 701 return ret; 702 } 703 704 if (longcal) { 705 ath9k_hw_start_nfcal(ah, false); 706 /* Do periodic PAOffset Cal */ 707 ar9002_hw_pa_cal(ah, false); 708 ar9002_hw_olc_temp_compensation(ah); 709 } 710 } 711 712 return !percal_pending; 713 } 714 715 /* Carrier leakage Calibration fix */ 716 static bool ar9285_hw_cl_cal(struct ath_hw *ah, struct ath9k_channel *chan) 717 { 718 struct ath_common *common = ath9k_hw_common(ah); 719 720 REG_SET_BIT(ah, AR_PHY_CL_CAL_CTL, AR_PHY_CL_CAL_ENABLE); 721 if (IS_CHAN_HT20(chan)) { 722 REG_SET_BIT(ah, AR_PHY_CL_CAL_CTL, AR_PHY_PARALLEL_CAL_ENABLE); 723 REG_SET_BIT(ah, AR_PHY_TURBO, AR_PHY_FC_DYN2040_EN); 724 REG_CLR_BIT(ah, AR_PHY_AGC_CONTROL, 725 AR_PHY_AGC_CONTROL_FLTR_CAL); 726 REG_CLR_BIT(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_PD_CAL_ENABLE); 727 REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_CAL); 728 if (!ath9k_hw_wait(ah, AR_PHY_AGC_CONTROL, 729 AR_PHY_AGC_CONTROL_CAL, 0, AH_WAIT_TIMEOUT)) { 730 ath_dbg(common, CALIBRATE, 731 "offset calibration failed to complete in %d ms; noisy environment?\n", 732 AH_WAIT_TIMEOUT / 1000); 733 return false; 734 } 735 REG_CLR_BIT(ah, AR_PHY_TURBO, AR_PHY_FC_DYN2040_EN); 736 REG_CLR_BIT(ah, AR_PHY_CL_CAL_CTL, AR_PHY_PARALLEL_CAL_ENABLE); 737 REG_CLR_BIT(ah, AR_PHY_CL_CAL_CTL, AR_PHY_CL_CAL_ENABLE); 738 } 739 REG_CLR_BIT(ah, AR_PHY_ADC_CTL, AR_PHY_ADC_CTL_OFF_PWDADC); 740 REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_FLTR_CAL); 741 REG_SET_BIT(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_PD_CAL_ENABLE); 742 REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_CAL); 743 if (!ath9k_hw_wait(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_CAL, 744 0, AH_WAIT_TIMEOUT)) { 745 ath_dbg(common, CALIBRATE, 746 "offset calibration failed to complete in %d ms; noisy environment?\n", 747 AH_WAIT_TIMEOUT / 1000); 748 return false; 749 } 750 751 REG_SET_BIT(ah, AR_PHY_ADC_CTL, AR_PHY_ADC_CTL_OFF_PWDADC); 752 REG_CLR_BIT(ah, AR_PHY_CL_CAL_CTL, AR_PHY_CL_CAL_ENABLE); 753 REG_CLR_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_FLTR_CAL); 754 755 return true; 756 } 757 758 static bool ar9285_hw_clc(struct ath_hw *ah, struct ath9k_channel *chan) 759 { 760 int i; 761 u_int32_t txgain_max; 762 u_int32_t clc_gain, gain_mask = 0, clc_num = 0; 763 u_int32_t reg_clc_I0, reg_clc_Q0; 764 u_int32_t i0_num = 0; 765 u_int32_t q0_num = 0; 766 u_int32_t total_num = 0; 767 u_int32_t reg_rf2g5_org; 768 bool retv = true; 769 770 if (!(ar9285_hw_cl_cal(ah, chan))) 771 return false; 772 773 txgain_max = MS(REG_READ(ah, AR_PHY_TX_PWRCTRL7), 774 AR_PHY_TX_PWRCTRL_TX_GAIN_TAB_MAX); 775 776 for (i = 0; i < (txgain_max+1); i++) { 777 clc_gain = (REG_READ(ah, (AR_PHY_TX_GAIN_TBL1+(i<<2))) & 778 AR_PHY_TX_GAIN_CLC) >> AR_PHY_TX_GAIN_CLC_S; 779 if (!(gain_mask & (1 << clc_gain))) { 780 gain_mask |= (1 << clc_gain); 781 clc_num++; 782 } 783 } 784 785 for (i = 0; i < clc_num; i++) { 786 reg_clc_I0 = (REG_READ(ah, (AR_PHY_CLC_TBL1 + (i << 2))) 787 & AR_PHY_CLC_I0) >> AR_PHY_CLC_I0_S; 788 reg_clc_Q0 = (REG_READ(ah, (AR_PHY_CLC_TBL1 + (i << 2))) 789 & AR_PHY_CLC_Q0) >> AR_PHY_CLC_Q0_S; 790 if (reg_clc_I0 == 0) 791 i0_num++; 792 793 if (reg_clc_Q0 == 0) 794 q0_num++; 795 } 796 total_num = i0_num + q0_num; 797 if (total_num > AR9285_CLCAL_REDO_THRESH) { 798 reg_rf2g5_org = REG_READ(ah, AR9285_RF2G5); 799 if (AR_SREV_9285E_20(ah)) { 800 REG_WRITE(ah, AR9285_RF2G5, 801 (reg_rf2g5_org & AR9285_RF2G5_IC50TX) | 802 AR9285_RF2G5_IC50TX_XE_SET); 803 } else { 804 REG_WRITE(ah, AR9285_RF2G5, 805 (reg_rf2g5_org & AR9285_RF2G5_IC50TX) | 806 AR9285_RF2G5_IC50TX_SET); 807 } 808 retv = ar9285_hw_cl_cal(ah, chan); 809 REG_WRITE(ah, AR9285_RF2G5, reg_rf2g5_org); 810 } 811 return retv; 812 } 813 814 static bool ar9002_hw_init_cal(struct ath_hw *ah, struct ath9k_channel *chan) 815 { 816 struct ath_common *common = ath9k_hw_common(ah); 817 818 if (AR_SREV_9271(ah)) { 819 if (!ar9285_hw_cl_cal(ah, chan)) 820 return false; 821 } else if (AR_SREV_9285(ah) && AR_SREV_9285_12_OR_LATER(ah)) { 822 if (!ar9285_hw_clc(ah, chan)) 823 return false; 824 } else { 825 if (AR_SREV_9280_20_OR_LATER(ah)) { 826 if (!AR_SREV_9287_11_OR_LATER(ah)) 827 REG_CLR_BIT(ah, AR_PHY_ADC_CTL, 828 AR_PHY_ADC_CTL_OFF_PWDADC); 829 REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, 830 AR_PHY_AGC_CONTROL_FLTR_CAL); 831 } 832 833 /* Calibrate the AGC */ 834 REG_WRITE(ah, AR_PHY_AGC_CONTROL, 835 REG_READ(ah, AR_PHY_AGC_CONTROL) | 836 AR_PHY_AGC_CONTROL_CAL); 837 838 /* Poll for offset calibration complete */ 839 if (!ath9k_hw_wait(ah, AR_PHY_AGC_CONTROL, 840 AR_PHY_AGC_CONTROL_CAL, 841 0, AH_WAIT_TIMEOUT)) { 842 ath_dbg(common, CALIBRATE, 843 "offset calibration failed to complete in %d ms; noisy environment?\n", 844 AH_WAIT_TIMEOUT / 1000); 845 return false; 846 } 847 848 if (AR_SREV_9280_20_OR_LATER(ah)) { 849 if (!AR_SREV_9287_11_OR_LATER(ah)) 850 REG_SET_BIT(ah, AR_PHY_ADC_CTL, 851 AR_PHY_ADC_CTL_OFF_PWDADC); 852 REG_CLR_BIT(ah, AR_PHY_AGC_CONTROL, 853 AR_PHY_AGC_CONTROL_FLTR_CAL); 854 } 855 } 856 857 /* Do PA Calibration */ 858 ar9002_hw_pa_cal(ah, true); 859 ath9k_hw_loadnf(ah, chan); 860 ath9k_hw_start_nfcal(ah, true); 861 862 if (ah->caldata) 863 set_bit(NFCAL_PENDING, &ah->caldata->cal_flags); 864 865 ah->cal_list = ah->cal_list_last = ah->cal_list_curr = NULL; 866 867 /* Enable IQ, ADC Gain and ADC DC offset CALs */ 868 if (AR_SREV_9100(ah) || AR_SREV_9160_10_OR_LATER(ah)) { 869 ah->supp_cals = IQ_MISMATCH_CAL; 870 871 if (AR_SREV_9160_10_OR_LATER(ah)) 872 ah->supp_cals |= ADC_GAIN_CAL | ADC_DC_CAL; 873 874 if (AR_SREV_9287(ah)) 875 ah->supp_cals &= ~ADC_GAIN_CAL; 876 877 if (ar9002_hw_is_cal_supported(ah, chan, ADC_GAIN_CAL)) { 878 INIT_CAL(&ah->adcgain_caldata); 879 INSERT_CAL(ah, &ah->adcgain_caldata); 880 ath_dbg(common, CALIBRATE, 881 "enabling ADC Gain Calibration\n"); 882 } 883 884 if (ar9002_hw_is_cal_supported(ah, chan, ADC_DC_CAL)) { 885 INIT_CAL(&ah->adcdc_caldata); 886 INSERT_CAL(ah, &ah->adcdc_caldata); 887 ath_dbg(common, CALIBRATE, 888 "enabling ADC DC Calibration\n"); 889 } 890 891 if (ar9002_hw_is_cal_supported(ah, chan, IQ_MISMATCH_CAL)) { 892 INIT_CAL(&ah->iq_caldata); 893 INSERT_CAL(ah, &ah->iq_caldata); 894 ath_dbg(common, CALIBRATE, "enabling IQ Calibration\n"); 895 } 896 897 ah->cal_list_curr = ah->cal_list; 898 899 if (ah->cal_list_curr) 900 ath9k_hw_reset_calibration(ah, ah->cal_list_curr); 901 } 902 903 if (ah->caldata) 904 ah->caldata->CalValid = 0; 905 906 return true; 907 } 908 909 static const struct ath9k_percal_data iq_cal_multi_sample = { 910 IQ_MISMATCH_CAL, 911 MAX_CAL_SAMPLES, 912 PER_MIN_LOG_COUNT, 913 ar9002_hw_iqcal_collect, 914 ar9002_hw_iqcalibrate 915 }; 916 static const struct ath9k_percal_data iq_cal_single_sample = { 917 IQ_MISMATCH_CAL, 918 MIN_CAL_SAMPLES, 919 PER_MAX_LOG_COUNT, 920 ar9002_hw_iqcal_collect, 921 ar9002_hw_iqcalibrate 922 }; 923 static const struct ath9k_percal_data adc_gain_cal_multi_sample = { 924 ADC_GAIN_CAL, 925 MAX_CAL_SAMPLES, 926 PER_MIN_LOG_COUNT, 927 ar9002_hw_adc_gaincal_collect, 928 ar9002_hw_adc_gaincal_calibrate 929 }; 930 static const struct ath9k_percal_data adc_gain_cal_single_sample = { 931 ADC_GAIN_CAL, 932 MIN_CAL_SAMPLES, 933 PER_MAX_LOG_COUNT, 934 ar9002_hw_adc_gaincal_collect, 935 ar9002_hw_adc_gaincal_calibrate 936 }; 937 static const struct ath9k_percal_data adc_dc_cal_multi_sample = { 938 ADC_DC_CAL, 939 MAX_CAL_SAMPLES, 940 PER_MIN_LOG_COUNT, 941 ar9002_hw_adc_dccal_collect, 942 ar9002_hw_adc_dccal_calibrate 943 }; 944 static const struct ath9k_percal_data adc_dc_cal_single_sample = { 945 ADC_DC_CAL, 946 MIN_CAL_SAMPLES, 947 PER_MAX_LOG_COUNT, 948 ar9002_hw_adc_dccal_collect, 949 ar9002_hw_adc_dccal_calibrate 950 }; 951 952 static void ar9002_hw_init_cal_settings(struct ath_hw *ah) 953 { 954 if (AR_SREV_9100(ah)) { 955 ah->iq_caldata.calData = &iq_cal_multi_sample; 956 ah->supp_cals = IQ_MISMATCH_CAL; 957 return; 958 } 959 960 if (AR_SREV_9160_10_OR_LATER(ah)) { 961 if (AR_SREV_9280_20_OR_LATER(ah)) { 962 ah->iq_caldata.calData = &iq_cal_single_sample; 963 ah->adcgain_caldata.calData = 964 &adc_gain_cal_single_sample; 965 ah->adcdc_caldata.calData = 966 &adc_dc_cal_single_sample; 967 } else { 968 ah->iq_caldata.calData = &iq_cal_multi_sample; 969 ah->adcgain_caldata.calData = 970 &adc_gain_cal_multi_sample; 971 ah->adcdc_caldata.calData = 972 &adc_dc_cal_multi_sample; 973 } 974 ah->supp_cals = ADC_GAIN_CAL | ADC_DC_CAL | IQ_MISMATCH_CAL; 975 976 if (AR_SREV_9287(ah)) 977 ah->supp_cals &= ~ADC_GAIN_CAL; 978 } 979 } 980 981 void ar9002_hw_attach_calib_ops(struct ath_hw *ah) 982 { 983 struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah); 984 struct ath_hw_ops *ops = ath9k_hw_ops(ah); 985 986 priv_ops->init_cal_settings = ar9002_hw_init_cal_settings; 987 priv_ops->init_cal = ar9002_hw_init_cal; 988 priv_ops->setup_calibration = ar9002_hw_setup_calibration; 989 990 ops->calibrate = ar9002_hw_calibrate; 991 } 992