1/* 2 * Copyright (c) 2002-2009 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 * $FreeBSD: src/sys/dev/ath/ath_hal/ar5416/ar9285_reset.c,v 1.4 2010/08/14 15:29:21 adrian Exp $ 18 */ 19 20/* 21 * This is almost the same as ar5416_reset.c but uses the v4k EEPROM and 22 * supports only 2Ghz operation. 23 */ 24 25#include "opt_ah.h" 26 27#include "ah.h" 28#include "ah_internal.h" 29#include "ah_devid.h" 30 31#include "ah_eeprom_v14.h" 32#include "ah_eeprom_v4k.h" 33 34#include "ar5416/ar9285.h" 35#include "ar5416/ar5416.h" 36#include "ar5416/ar5416reg.h" 37#include "ar5416/ar5416phy.h" 38 39/* Eeprom versioning macros. Returns true if the version is equal or newer than the ver specified */ 40#define EEP_MINOR(_ah) \ 41 (AH_PRIVATE(_ah)->ah_eeversion & AR5416_EEP_VER_MINOR_MASK) 42#define IS_EEP_MINOR_V2(_ah) (EEP_MINOR(_ah) >= AR5416_EEP_MINOR_VER_2) 43#define IS_EEP_MINOR_V3(_ah) (EEP_MINOR(_ah) >= AR5416_EEP_MINOR_VER_3) 44 45/* Additional Time delay to wait after activiting the Base band */ 46#define BASE_ACTIVATE_DELAY 100 /* 100 usec */ 47#define PLL_SETTLE_DELAY 300 /* 300 usec */ 48#define RTC_PLL_SETTLE_DELAY 1000 /* 1 ms */ 49 50static HAL_BOOL ar9285SetPowerPerRateTable(struct ath_hal *ah, 51 struct ar5416eeprom_4k *pEepData, 52 HAL_CHANNEL_INTERNAL *chan, int16_t *ratesArray, 53 uint16_t cfgCtl, uint16_t AntennaReduction, 54 uint16_t twiceMaxRegulatoryPower, 55 uint16_t powerLimit); 56static HAL_BOOL ar9285SetPowerCalTable(struct ath_hal *ah, 57 struct ar5416eeprom_4k *pEepData, 58 HAL_CHANNEL_INTERNAL *chan, 59 int16_t *pTxPowerIndexOffset); 60static int16_t interpolate(uint16_t target, uint16_t srcLeft, 61 uint16_t srcRight, int16_t targetLeft, int16_t targetRight); 62static HAL_BOOL ar9285FillVpdTable(uint8_t, uint8_t, uint8_t *, uint8_t *, 63 uint16_t, uint8_t *); 64static void ar9285GetGainBoundariesAndPdadcs(struct ath_hal *ah, 65 HAL_CHANNEL_INTERNAL *chan, CAL_DATA_PER_FREQ_4K *pRawDataSet, 66 uint8_t * bChans, uint16_t availPiers, 67 uint16_t tPdGainOverlap, int16_t *pMinCalPower, 68 uint16_t * pPdGainBoundaries, uint8_t * pPDADCValues, 69 uint16_t numXpdGains); 70static HAL_BOOL getLowerUpperIndex(uint8_t target, uint8_t *pList, 71 uint16_t listSize, uint16_t *indexL, uint16_t *indexR); 72static uint16_t ar9285GetMaxEdgePower(uint16_t, CAL_CTL_EDGES *); 73 74/* XXX gag, this is sick */ 75typedef enum Ar5416_Rates { 76 rate6mb, rate9mb, rate12mb, rate18mb, 77 rate24mb, rate36mb, rate48mb, rate54mb, 78 rate1l, rate2l, rate2s, rate5_5l, 79 rate5_5s, rate11l, rate11s, rateXr, 80 rateHt20_0, rateHt20_1, rateHt20_2, rateHt20_3, 81 rateHt20_4, rateHt20_5, rateHt20_6, rateHt20_7, 82 rateHt40_0, rateHt40_1, rateHt40_2, rateHt40_3, 83 rateHt40_4, rateHt40_5, rateHt40_6, rateHt40_7, 84 rateDupCck, rateDupOfdm, rateExtCck, rateExtOfdm, 85 Ar5416RateSize 86} AR5416_RATES; 87 88HAL_BOOL 89ar9285SetTransmitPower(struct ath_hal *ah, 90 HAL_CHANNEL *chan, uint16_t *rfXpdGain) 91{ 92#define POW_SM(_r, _s) (((_r) & 0x3f) << (_s)) 93#define N(a) (sizeof (a) / sizeof (a[0])) 94 95 HAL_CHANNEL_INTERNAL *ichan; 96 MODAL_EEP4K_HEADER *pModal; 97 struct ath_hal_5212 *ahp = AH5212(ah); 98 int16_t ratesArray[Ar5416RateSize]; 99 int16_t txPowerIndexOffset = 0; 100 uint8_t ht40PowerIncForPdadc = 2; 101 int i; 102 103 uint16_t cfgCtl; 104 uint16_t powerLimit; 105 uint16_t twiceAntennaReduction; 106 uint16_t twiceMaxRegulatoryPower; 107 int16_t maxPower; 108 HAL_EEPROM_v4k *ee = AH_PRIVATE(ah)->ah_eeprom; 109 struct ar5416eeprom_4k *pEepData = &ee->ee_base; 110 111 HALASSERT(AH_PRIVATE(ah)->ah_eeversion >= AR_EEPROM_VER14_1); 112 ichan = ath_hal_checkchannel(ah, chan); 113 114 /* Setup info for the actual eeprom */ 115 OS_MEMZERO(ratesArray, sizeof(ratesArray)); 116 cfgCtl = ath_hal_getctl(ah, chan); 117 powerLimit = ichan->maxRegTxPower * 2; 118 twiceAntennaReduction = ichan->antennaMax; 119 twiceMaxRegulatoryPower = AH_MIN(MAX_RATE_POWER, AH_PRIVATE(ah)->ah_powerLimit); 120 pModal = &pEepData->modalHeader; 121 HALDEBUG(ah, HAL_DEBUG_RESET, "%s Channel=%u CfgCtl=%u\n", 122 __func__,chan->channel, cfgCtl ); 123 124 if (IS_EEP_MINOR_V2(ah)) { 125 ht40PowerIncForPdadc = pModal->ht40PowerIncForPdadc; 126 } 127 128 if (!ar9285SetPowerPerRateTable(ah, pEepData, ichan, 129 &ratesArray[0],cfgCtl, 130 twiceAntennaReduction, 131 twiceMaxRegulatoryPower, powerLimit)) { 132 HALDEBUG(ah, HAL_DEBUG_ANY, 133 "%s: unable to set tx power per rate table\n", __func__); 134 return AH_FALSE; 135 } 136 137 if (!ar9285SetPowerCalTable(ah, pEepData, ichan, &txPowerIndexOffset)) { 138 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: unable to set power table\n", 139 __func__); 140 return AH_FALSE; 141 } 142 143 maxPower = AH_MAX(ratesArray[rate6mb], ratesArray[rateHt20_0]); 144 maxPower = AH_MAX(maxPower, ratesArray[rate1l]); 145 146 if (IS_CHAN_HT40(chan)) { 147 maxPower = AH_MAX(maxPower, ratesArray[rateHt40_0]); 148 } 149 150 ahp->ah_tx6PowerInHalfDbm = maxPower; 151 AH_PRIVATE(ah)->ah_maxPowerLevel = maxPower; 152 ahp->ah_txPowerIndexOffset = txPowerIndexOffset; 153 154 /* 155 * txPowerIndexOffset is set by the SetPowerTable() call - 156 * adjust the rate table (0 offset if rates EEPROM not loaded) 157 */ 158 for (i = 0; i < N(ratesArray); i++) { 159 ratesArray[i] = (int16_t)(txPowerIndexOffset + ratesArray[i]); 160 if (ratesArray[i] > AR5416_MAX_RATE_POWER) 161 ratesArray[i] = AR5416_MAX_RATE_POWER; 162 ratesArray[i] -= AR5416_PWR_TABLE_OFFSET_DB * 2; 163 } 164 165#ifdef AH_EEPROM_DUMP 166 ar5416PrintPowerPerRate(ah, ratesArray); 167#endif 168 169 /* Write the OFDM power per rate set */ 170 OS_REG_WRITE(ah, AR_PHY_POWER_TX_RATE1, 171 POW_SM(ratesArray[rate18mb], 24) 172 | POW_SM(ratesArray[rate12mb], 16) 173 | POW_SM(ratesArray[rate9mb], 8) 174 | POW_SM(ratesArray[rate6mb], 0) 175 ); 176 OS_REG_WRITE(ah, AR_PHY_POWER_TX_RATE2, 177 POW_SM(ratesArray[rate54mb], 24) 178 | POW_SM(ratesArray[rate48mb], 16) 179 | POW_SM(ratesArray[rate36mb], 8) 180 | POW_SM(ratesArray[rate24mb], 0) 181 ); 182 183 /* Write the CCK power per rate set */ 184 OS_REG_WRITE(ah, AR_PHY_POWER_TX_RATE3, 185 POW_SM(ratesArray[rate2s], 24) 186 | POW_SM(ratesArray[rate2l], 16) 187 | POW_SM(ratesArray[rateXr], 8) /* XR target power */ 188 | POW_SM(ratesArray[rate1l], 0) 189 ); 190 OS_REG_WRITE(ah, AR_PHY_POWER_TX_RATE4, 191 POW_SM(ratesArray[rate11s], 24) 192 | POW_SM(ratesArray[rate11l], 16) 193 | POW_SM(ratesArray[rate5_5s], 8) 194 | POW_SM(ratesArray[rate5_5l], 0) 195 ); 196 HALDEBUG(ah, HAL_DEBUG_RESET, 197 "%s AR_PHY_POWER_TX_RATE3=0x%x AR_PHY_POWER_TX_RATE4=0x%x\n", 198 __func__, OS_REG_READ(ah,AR_PHY_POWER_TX_RATE3), 199 OS_REG_READ(ah,AR_PHY_POWER_TX_RATE4)); 200 201 /* Write the HT20 power per rate set */ 202 OS_REG_WRITE(ah, AR_PHY_POWER_TX_RATE5, 203 POW_SM(ratesArray[rateHt20_3], 24) 204 | POW_SM(ratesArray[rateHt20_2], 16) 205 | POW_SM(ratesArray[rateHt20_1], 8) 206 | POW_SM(ratesArray[rateHt20_0], 0) 207 ); 208 OS_REG_WRITE(ah, AR_PHY_POWER_TX_RATE6, 209 POW_SM(ratesArray[rateHt20_7], 24) 210 | POW_SM(ratesArray[rateHt20_6], 16) 211 | POW_SM(ratesArray[rateHt20_5], 8) 212 | POW_SM(ratesArray[rateHt20_4], 0) 213 ); 214 215 if (IS_CHAN_HT40(chan)) { 216 /* Write the HT40 power per rate set */ 217 /* Correct PAR difference between HT40 and HT20/LEGACY */ 218 OS_REG_WRITE(ah, AR_PHY_POWER_TX_RATE7, 219 POW_SM(ratesArray[rateHt40_3] + ht40PowerIncForPdadc, 24) 220 | POW_SM(ratesArray[rateHt40_2] + ht40PowerIncForPdadc, 16) 221 | POW_SM(ratesArray[rateHt40_1] + ht40PowerIncForPdadc, 8) 222 | POW_SM(ratesArray[rateHt40_0] + ht40PowerIncForPdadc, 0) 223 ); 224 OS_REG_WRITE(ah, AR_PHY_POWER_TX_RATE8, 225 POW_SM(ratesArray[rateHt40_7] + ht40PowerIncForPdadc, 24) 226 | POW_SM(ratesArray[rateHt40_6] + ht40PowerIncForPdadc, 16) 227 | POW_SM(ratesArray[rateHt40_5] + ht40PowerIncForPdadc, 8) 228 | POW_SM(ratesArray[rateHt40_4] + ht40PowerIncForPdadc, 0) 229 ); 230 /* Write the Dup/Ext 40 power per rate set */ 231 OS_REG_WRITE(ah, AR_PHY_POWER_TX_RATE9, 232 POW_SM(ratesArray[rateExtOfdm], 24) 233 | POW_SM(ratesArray[rateExtCck], 16) 234 | POW_SM(ratesArray[rateDupOfdm], 8) 235 | POW_SM(ratesArray[rateDupCck], 0) 236 ); 237 } 238 239 return AH_TRUE; 240#undef POW_SM 241#undef N 242} 243 244HAL_BOOL 245ar9285SetBoardValues(struct ath_hal *ah, HAL_CHANNEL *_chan) 246{ 247 HAL_CHANNEL_INTERNAL *chan; 248 const HAL_EEPROM_v4k *ee = AH_PRIVATE(ah)->ah_eeprom; 249 const struct ar5416eeprom_4k *eep = &ee->ee_base; 250 const MODAL_EEP4K_HEADER *pModal; 251 uint8_t txRxAttenLocal = 23; 252 253 HALASSERT(AH_PRIVATE(ah)->ah_eeversion >= AR_EEPROM_VER14_1); 254 chan = ath_hal_checkchannel(ah, _chan); 255 pModal = &eep->modalHeader; 256 257 OS_REG_WRITE(ah, AR_PHY_SWITCH_COM, pModal->antCtrlCommon); 258 OS_REG_WRITE(ah, AR_PHY_SWITCH_CHAIN_0, pModal->antCtrlChain[0]); 259 OS_REG_WRITE(ah, AR_PHY_TIMING_CTRL4, 260 (OS_REG_READ(ah, AR_PHY_TIMING_CTRL4) & 261 ~(AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF | AR_PHY_TIMING_CTRL4_IQCORR_Q_I_COFF)) | 262 SM(pModal->iqCalICh[0], AR_PHY_TIMING_CTRL4_IQCORR_Q_I_COFF) | 263 SM(pModal->iqCalQCh[0], AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF)); 264 265 if (IS_EEP_MINOR_V3(ah)) { 266 if (IS_CHAN_HT40(chan)) { 267 /* Overwrite switch settling with HT40 value */ 268 OS_REG_RMW_FIELD(ah, AR_PHY_SETTLING, AR_PHY_SETTLING_SWITCH, 269 pModal->swSettleHt40); 270 } 271 txRxAttenLocal = pModal->txRxAttenCh[0]; 272 273 OS_REG_RMW_FIELD(ah, AR_PHY_GAIN_2GHZ, AR_PHY_GAIN_2GHZ_XATTEN1_MARGIN, 274 pModal->bswMargin[0]); 275 OS_REG_RMW_FIELD(ah, AR_PHY_GAIN_2GHZ, AR_PHY_GAIN_2GHZ_XATTEN1_DB, 276 pModal->bswAtten[0]); 277 OS_REG_RMW_FIELD(ah, AR_PHY_GAIN_2GHZ, AR_PHY_GAIN_2GHZ_XATTEN2_MARGIN, 278 pModal->xatten2Margin[0]); 279 OS_REG_RMW_FIELD(ah, AR_PHY_GAIN_2GHZ, AR_PHY_GAIN_2GHZ_XATTEN2_DB, 280 pModal->xatten2Db[0]); 281 282 /* block 1 has the same values as block 0 */ 283 OS_REG_RMW_FIELD(ah, AR_PHY_GAIN_2GHZ + 0x1000, 284 AR_PHY_GAIN_2GHZ_XATTEN1_MARGIN, pModal->bswMargin[0]); 285 OS_REG_RMW_FIELD(ah, AR_PHY_GAIN_2GHZ + 0x1000, 286 AR_PHY_GAIN_2GHZ_XATTEN1_DB, pModal->bswAtten[0]); 287 OS_REG_RMW_FIELD(ah, AR_PHY_GAIN_2GHZ + 0x1000, 288 AR_PHY_GAIN_2GHZ_XATTEN2_MARGIN, pModal->xatten2Margin[0]); 289 OS_REG_RMW_FIELD(ah, AR_PHY_GAIN_2GHZ + 0x1000, 290 AR_PHY_GAIN_2GHZ_XATTEN2_DB, pModal->xatten2Db[0]); 291 292 } 293 OS_REG_RMW_FIELD(ah, AR_PHY_RXGAIN, 294 AR9280_PHY_RXGAIN_TXRX_ATTEN, txRxAttenLocal); 295 OS_REG_RMW_FIELD(ah, AR_PHY_RXGAIN, 296 AR9280_PHY_RXGAIN_TXRX_MARGIN, pModal->rxTxMarginCh[0]); 297 298 OS_REG_RMW_FIELD(ah, AR_PHY_RXGAIN + 0x1000, 299 AR9280_PHY_RXGAIN_TXRX_ATTEN, txRxAttenLocal); 300 OS_REG_RMW_FIELD(ah, AR_PHY_RXGAIN + 0x1000, 301 AR9280_PHY_RXGAIN_TXRX_MARGIN, pModal->rxTxMarginCh[0]); 302 303 if (AR_SREV_KITE_11(ah)) 304 OS_REG_WRITE(ah, AR9285_AN_TOP4, (AR9285_AN_TOP4_DEFAULT | 0x14)); 305 306 return AH_TRUE; 307} 308 309/* 310 * Helper functions common for AP/CB/XB 311 */ 312 313static HAL_BOOL 314ar9285SetPowerPerRateTable(struct ath_hal *ah, struct ar5416eeprom_4k *pEepData, 315 HAL_CHANNEL_INTERNAL *chan, 316 int16_t *ratesArray, uint16_t cfgCtl, 317 uint16_t AntennaReduction, 318 uint16_t twiceMaxRegulatoryPower, 319 uint16_t powerLimit) 320{ 321#define N(a) (sizeof(a)/sizeof(a[0])) 322/* Local defines to distinguish between extension and control CTL's */ 323#define EXT_ADDITIVE (0x8000) 324#define CTL_11G_EXT (CTL_11G | EXT_ADDITIVE) 325#define CTL_11B_EXT (CTL_11B | EXT_ADDITIVE) 326 327 uint16_t twiceMaxEdgePower = AR5416_MAX_RATE_POWER; 328 int i; 329 int16_t twiceLargestAntenna; 330 CAL_CTL_DATA_4K *rep; 331 CAL_TARGET_POWER_LEG targetPowerOfdm, targetPowerCck = {0, {0, 0, 0, 0}}; 332 CAL_TARGET_POWER_LEG targetPowerOfdmExt = {0, {0, 0, 0, 0}}, targetPowerCckExt = {0, {0, 0, 0, 0}}; 333 CAL_TARGET_POWER_HT targetPowerHt20, targetPowerHt40 = {0, {0, 0, 0, 0}}; 334 int16_t scaledPower, minCtlPower; 335 336#define SUB_NUM_CTL_MODES_AT_2G_40 3 /* excluding HT40, EXT-OFDM, EXT-CCK */ 337 static const uint16_t ctlModesFor11g[] = { 338 CTL_11B, CTL_11G, CTL_2GHT20, CTL_11B_EXT, CTL_11G_EXT, CTL_2GHT40 339 }; 340 const uint16_t *pCtlMode; 341 uint16_t numCtlModes, ctlMode, freq; 342 CHAN_CENTERS centers; 343 344 ar5416GetChannelCenters(ah, chan, ¢ers); 345 346 /* Compute TxPower reduction due to Antenna Gain */ 347 348 twiceLargestAntenna = pEepData->modalHeader.antennaGainCh[0]; 349 twiceLargestAntenna = (int16_t)AH_MIN((AntennaReduction) - twiceLargestAntenna, 0); 350 351 /* XXX setup for 5212 use (really used?) */ 352 ath_hal_eepromSet(ah, AR_EEP_ANTGAINMAX_2, twiceLargestAntenna); 353 354 /* 355 * scaledPower is the minimum of the user input power level and 356 * the regulatory allowed power level 357 */ 358 scaledPower = AH_MIN(powerLimit, twiceMaxRegulatoryPower + twiceLargestAntenna); 359 360 /* Get target powers from EEPROM - our baseline for TX Power */ 361 /* Setup for CTL modes */ 362 numCtlModes = N(ctlModesFor11g) - SUB_NUM_CTL_MODES_AT_2G_40; /* CTL_11B, CTL_11G, CTL_2GHT20 */ 363 pCtlMode = ctlModesFor11g; 364 365 ar5416GetTargetPowersLeg(ah, chan, pEepData->calTargetPowerCck, 366 AR5416_4K_NUM_2G_CCK_TARGET_POWERS, &targetPowerCck, 4, AH_FALSE); 367 ar5416GetTargetPowersLeg(ah, chan, pEepData->calTargetPower2G, 368 AR5416_4K_NUM_2G_20_TARGET_POWERS, &targetPowerOfdm, 4, AH_FALSE); 369 ar5416GetTargetPowers(ah, chan, pEepData->calTargetPower2GHT20, 370 AR5416_4K_NUM_2G_20_TARGET_POWERS, &targetPowerHt20, 8, AH_FALSE); 371 372 if (IS_CHAN_HT40(chan)) { 373 numCtlModes = N(ctlModesFor11g); /* All 2G CTL's */ 374 375 ar5416GetTargetPowers(ah, chan, pEepData->calTargetPower2GHT40, 376 AR5416_4K_NUM_2G_40_TARGET_POWERS, &targetPowerHt40, 8, AH_TRUE); 377 /* Get target powers for extension channels */ 378 ar5416GetTargetPowersLeg(ah, chan, pEepData->calTargetPowerCck, 379 AR5416_4K_NUM_2G_CCK_TARGET_POWERS, &targetPowerCckExt, 4, AH_TRUE); 380 ar5416GetTargetPowersLeg(ah, chan, pEepData->calTargetPower2G, 381 AR5416_4K_NUM_2G_20_TARGET_POWERS, &targetPowerOfdmExt, 4, AH_TRUE); 382 } 383 384 /* 385 * For MIMO, need to apply regulatory caps individually across dynamically 386 * running modes: CCK, OFDM, HT20, HT40 387 * 388 * The outer loop walks through each possible applicable runtime mode. 389 * The inner loop walks through each ctlIndex entry in EEPROM. 390 * The ctl value is encoded as [7:4] == test group, [3:0] == test mode. 391 * 392 */ 393 for (ctlMode = 0; ctlMode < numCtlModes; ctlMode++) { 394 HAL_BOOL isHt40CtlMode = (pCtlMode[ctlMode] == CTL_5GHT40) || 395 (pCtlMode[ctlMode] == CTL_2GHT40); 396 if (isHt40CtlMode) { 397 freq = centers.ctl_center; 398 } else if (pCtlMode[ctlMode] & EXT_ADDITIVE) { 399 freq = centers.ext_center; 400 } else { 401 freq = centers.ctl_center; 402 } 403 404 /* walk through each CTL index stored in EEPROM */ 405 for (i = 0; (i < AR5416_4K_NUM_CTLS) && pEepData->ctlIndex[i]; i++) { 406 uint16_t twiceMinEdgePower; 407 408 /* compare test group from regulatory channel list with test mode from pCtlMode list */ 409 if ((((cfgCtl & ~CTL_MODE_M) | (pCtlMode[ctlMode] & CTL_MODE_M)) == pEepData->ctlIndex[i]) || 410 (((cfgCtl & ~CTL_MODE_M) | (pCtlMode[ctlMode] & CTL_MODE_M)) == 411 ((pEepData->ctlIndex[i] & CTL_MODE_M) | SD_NO_CTL))) { 412 rep = &(pEepData->ctlData[i]); 413 twiceMinEdgePower = ar9285GetMaxEdgePower(freq, 414 rep->ctlEdges[ 415 owl_get_ntxchains(AH5416(ah)->ah_tx_chainmask) - 1]); 416 if ((cfgCtl & ~CTL_MODE_M) == SD_NO_CTL) { 417 /* Find the minimum of all CTL edge powers that apply to this channel */ 418 twiceMaxEdgePower = AH_MIN(twiceMaxEdgePower, twiceMinEdgePower); 419 } else { 420 /* specific */ 421 twiceMaxEdgePower = twiceMinEdgePower; 422 break; 423 } 424 } 425 } 426 minCtlPower = (uint8_t)AH_MIN(twiceMaxEdgePower, scaledPower); 427 /* Apply ctl mode to correct target power set */ 428 switch(pCtlMode[ctlMode]) { 429 case CTL_11B: 430 for (i = 0; i < N(targetPowerCck.tPow2x); i++) { 431 targetPowerCck.tPow2x[i] = (uint8_t)AH_MIN(targetPowerCck.tPow2x[i], minCtlPower); 432 } 433 break; 434 case CTL_11A: 435 case CTL_11G: 436 for (i = 0; i < N(targetPowerOfdm.tPow2x); i++) { 437 targetPowerOfdm.tPow2x[i] = (uint8_t)AH_MIN(targetPowerOfdm.tPow2x[i], minCtlPower); 438 } 439 break; 440 case CTL_5GHT20: 441 case CTL_2GHT20: 442 for (i = 0; i < N(targetPowerHt20.tPow2x); i++) { 443 targetPowerHt20.tPow2x[i] = (uint8_t)AH_MIN(targetPowerHt20.tPow2x[i], minCtlPower); 444 } 445 break; 446 case CTL_11B_EXT: 447 targetPowerCckExt.tPow2x[0] = (uint8_t)AH_MIN(targetPowerCckExt.tPow2x[0], minCtlPower); 448 break; 449 case CTL_11G_EXT: 450 targetPowerOfdmExt.tPow2x[0] = (uint8_t)AH_MIN(targetPowerOfdmExt.tPow2x[0], minCtlPower); 451 break; 452 case CTL_5GHT40: 453 case CTL_2GHT40: 454 for (i = 0; i < N(targetPowerHt40.tPow2x); i++) { 455 targetPowerHt40.tPow2x[i] = (uint8_t)AH_MIN(targetPowerHt40.tPow2x[i], minCtlPower); 456 } 457 break; 458 default: 459 return AH_FALSE; 460 break; 461 } 462 } /* end ctl mode checking */ 463 464 /* Set rates Array from collected data */ 465 ratesArray[rate6mb] = ratesArray[rate9mb] = ratesArray[rate12mb] = ratesArray[rate18mb] = ratesArray[rate24mb] = targetPowerOfdm.tPow2x[0]; 466 ratesArray[rate36mb] = targetPowerOfdm.tPow2x[1]; 467 ratesArray[rate48mb] = targetPowerOfdm.tPow2x[2]; 468 ratesArray[rate54mb] = targetPowerOfdm.tPow2x[3]; 469 ratesArray[rateXr] = targetPowerOfdm.tPow2x[0]; 470 471 for (i = 0; i < N(targetPowerHt20.tPow2x); i++) { 472 ratesArray[rateHt20_0 + i] = targetPowerHt20.tPow2x[i]; 473 } 474 475 ratesArray[rate1l] = targetPowerCck.tPow2x[0]; 476 ratesArray[rate2s] = ratesArray[rate2l] = targetPowerCck.tPow2x[1]; 477 ratesArray[rate5_5s] = ratesArray[rate5_5l] = targetPowerCck.tPow2x[2]; 478 ratesArray[rate11s] = ratesArray[rate11l] = targetPowerCck.tPow2x[3]; 479 if (IS_CHAN_HT40(chan)) { 480 for (i = 0; i < N(targetPowerHt40.tPow2x); i++) { 481 ratesArray[rateHt40_0 + i] = targetPowerHt40.tPow2x[i]; 482 } 483 ratesArray[rateDupOfdm] = targetPowerHt40.tPow2x[0]; 484 ratesArray[rateDupCck] = targetPowerHt40.tPow2x[0]; 485 ratesArray[rateExtOfdm] = targetPowerOfdmExt.tPow2x[0]; 486 if (IS_CHAN_2GHZ(chan)) { 487 ratesArray[rateExtCck] = targetPowerCckExt.tPow2x[0]; 488 } 489 } 490 return AH_TRUE; 491#undef EXT_ADDITIVE 492#undef CTL_11G_EXT 493#undef CTL_11B_EXT 494#undef SUB_NUM_CTL_MODES_AT_2G_40 495#undef N 496} 497 498/************************************************************************** 499 * fbin2freq 500 * 501 * Get channel value from binary representation held in eeprom 502 * RETURNS: the frequency in MHz 503 */ 504static uint16_t 505fbin2freq(uint8_t fbin) 506{ 507 /* 508 * Reserved value 0xFF provides an empty definition both as 509 * an fbin and as a frequency - do not convert 510 */ 511 if (fbin == AR5416_BCHAN_UNUSED) { 512 return fbin; 513 } 514 515 return (uint16_t)(2300 + fbin); 516} 517 518/* 519 * XXX almost the same as ar5416GetMaxEdgePower. 520 */ 521static uint16_t 522ar9285GetMaxEdgePower(uint16_t freq, CAL_CTL_EDGES *pRdEdgesPower) 523{ 524 uint16_t twiceMaxEdgePower = AR5416_MAX_RATE_POWER; 525 int i; 526 527 /* Get the edge power */ 528 for (i = 0; (i < AR5416_NUM_BAND_EDGES) && (pRdEdgesPower[i].bChannel != AR5416_BCHAN_UNUSED) ; i++) { 529 /* 530 * If there's an exact channel match or an inband flag set 531 * on the lower channel use the given rdEdgePower 532 */ 533 if (freq == fbin2freq(pRdEdgesPower[i].bChannel)) { 534 twiceMaxEdgePower = MS(pRdEdgesPower[i].tPowerFlag, CAL_CTL_EDGES_POWER); 535 break; 536 } else if ((i > 0) && (freq < fbin2freq(pRdEdgesPower[i].bChannel))) { 537 if (fbin2freq(pRdEdgesPower[i - 1].bChannel) < freq && (pRdEdgesPower[i - 1].tPowerFlag & CAL_CTL_EDGES_FLAG) != 0) { 538 twiceMaxEdgePower = MS(pRdEdgesPower[i - 1].tPowerFlag, CAL_CTL_EDGES_POWER); 539 } 540 /* Leave loop - no more affecting edges possible in this monotonic increasing list */ 541 break; 542 } 543 } 544 HALASSERT(twiceMaxEdgePower > 0); 545 return twiceMaxEdgePower; 546} 547 548 549 550static HAL_BOOL 551ar9285SetPowerCalTable(struct ath_hal *ah, struct ar5416eeprom_4k *pEepData, 552 HAL_CHANNEL_INTERNAL *chan, int16_t *pTxPowerIndexOffset) 553{ 554 CAL_DATA_PER_FREQ_4K *pRawDataset; 555 uint8_t *pCalBChans = AH_NULL; 556 uint16_t pdGainOverlap_t2; 557 static uint8_t pdadcValues[AR5416_NUM_PDADC_VALUES]; 558 uint16_t gainBoundaries[AR5416_PD_GAINS_IN_MASK]; 559 uint16_t numPiers, i, j; 560 int16_t tMinCalPower; 561 uint16_t numXpdGain, xpdMask; 562 uint16_t xpdGainValues[AR5416_4K_NUM_PD_GAINS]; 563 uint32_t reg32, regOffset, regChainOffset; 564 565 OS_MEMZERO(xpdGainValues, sizeof(xpdGainValues)); 566 567 xpdMask = pEepData->modalHeader.xpdGain; 568 569 if (IS_EEP_MINOR_V2(ah)) { 570 pdGainOverlap_t2 = pEepData->modalHeader.pdGainOverlap; 571 } else { 572 pdGainOverlap_t2 = (uint16_t)(MS(OS_REG_READ(ah, AR_PHY_TPCRG5), AR_PHY_TPCRG5_PD_GAIN_OVERLAP)); 573 } 574 575 pCalBChans = pEepData->calFreqPier2G; 576 numPiers = AR5416_4K_NUM_2G_CAL_PIERS; 577 numXpdGain = 0; 578 /* Calculate the value of xpdgains from the xpdGain Mask */ 579 for (i = 1; i <= AR5416_PD_GAINS_IN_MASK; i++) { 580 if ((xpdMask >> (AR5416_PD_GAINS_IN_MASK - i)) & 1) { 581 if (numXpdGain >= AR5416_4K_NUM_PD_GAINS) { 582 HALASSERT(0); 583 break; 584 } 585 xpdGainValues[numXpdGain] = (uint16_t)(AR5416_PD_GAINS_IN_MASK - i); 586 numXpdGain++; 587 } 588 } 589 590 /* Write the detector gain biases and their number */ 591 OS_REG_WRITE(ah, AR_PHY_TPCRG1, (OS_REG_READ(ah, AR_PHY_TPCRG1) & 592 ~(AR_PHY_TPCRG1_NUM_PD_GAIN | AR_PHY_TPCRG1_PD_GAIN_1 | AR_PHY_TPCRG1_PD_GAIN_2 | AR_PHY_TPCRG1_PD_GAIN_3)) | 593 SM(numXpdGain - 1, AR_PHY_TPCRG1_NUM_PD_GAIN) | SM(xpdGainValues[0], AR_PHY_TPCRG1_PD_GAIN_1 ) | 594 SM(xpdGainValues[1], AR_PHY_TPCRG1_PD_GAIN_2) | SM(0, AR_PHY_TPCRG1_PD_GAIN_3)); 595 596 for (i = 0; i < AR5416_MAX_CHAINS; i++) { 597 598 if (AR_SREV_OWL_20_OR_LATER(ah) && 599 ( AH5416(ah)->ah_rx_chainmask == 0x5 || AH5416(ah)->ah_tx_chainmask == 0x5) && (i != 0)) { 600 /* Regs are swapped from chain 2 to 1 for 5416 2_0 with 601 * only chains 0 and 2 populated 602 */ 603 regChainOffset = (i == 1) ? 0x2000 : 0x1000; 604 } else { 605 regChainOffset = i * 0x1000; 606 } 607 608 if (pEepData->baseEepHeader.txMask & (1 << i)) { 609 pRawDataset = pEepData->calPierData2G[i]; 610 611 ar9285GetGainBoundariesAndPdadcs(ah, chan, pRawDataset, 612 pCalBChans, numPiers, 613 pdGainOverlap_t2, 614 &tMinCalPower, gainBoundaries, 615 pdadcValues, numXpdGain); 616 617 if ((i == 0) || AR_SREV_OWL_20_OR_LATER(ah)) { 618 /* 619 * Note the pdadc table may not start at 0 dBm power, could be 620 * negative or greater than 0. Need to offset the power 621 * values by the amount of minPower for griffin 622 */ 623 624 OS_REG_WRITE(ah, AR_PHY_TPCRG5 + regChainOffset, 625 SM(pdGainOverlap_t2, AR_PHY_TPCRG5_PD_GAIN_OVERLAP) | 626 SM(gainBoundaries[0], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_1) | 627 SM(gainBoundaries[1], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_2) | 628 SM(gainBoundaries[2], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_3) | 629 SM(gainBoundaries[3], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_4)); 630 } 631 632 /* Write the power values into the baseband power table */ 633 regOffset = AR_PHY_BASE + (672 << 2) + regChainOffset; 634 635 for (j = 0; j < 32; j++) { 636 reg32 = ((pdadcValues[4*j + 0] & 0xFF) << 0) | 637 ((pdadcValues[4*j + 1] & 0xFF) << 8) | 638 ((pdadcValues[4*j + 2] & 0xFF) << 16) | 639 ((pdadcValues[4*j + 3] & 0xFF) << 24) ; 640 OS_REG_WRITE(ah, regOffset, reg32); 641 642#ifdef PDADC_DUMP 643 ath_hal_printf(ah, "PDADC: Chain %d | PDADC %3d Value %3d | PDADC %3d Value %3d | PDADC %3d Value %3d | PDADC %3d Value %3d |\n", 644 i, 645 4*j, pdadcValues[4*j], 646 4*j+1, pdadcValues[4*j + 1], 647 4*j+2, pdadcValues[4*j + 2], 648 4*j+3, pdadcValues[4*j + 3]); 649#endif 650 regOffset += 4; 651 } 652 } 653 } 654 *pTxPowerIndexOffset = 0; 655 656 return AH_TRUE; 657} 658 659static void 660ar9285GetGainBoundariesAndPdadcs(struct ath_hal *ah, 661 HAL_CHANNEL_INTERNAL *chan, 662 CAL_DATA_PER_FREQ_4K *pRawDataSet, 663 uint8_t * bChans, uint16_t availPiers, 664 uint16_t tPdGainOverlap, int16_t *pMinCalPower, uint16_t * pPdGainBoundaries, 665 uint8_t * pPDADCValues, uint16_t numXpdGains) 666{ 667 668 int i, j, k; 669 int16_t ss; /* potentially -ve index for taking care of pdGainOverlap */ 670 uint16_t idxL, idxR, numPiers; /* Pier indexes */ 671 672 /* filled out Vpd table for all pdGains (chanL) */ 673 static uint8_t vpdTableL[AR5416_4K_NUM_PD_GAINS][AR5416_MAX_PWR_RANGE_IN_HALF_DB]; 674 675 /* filled out Vpd table for all pdGains (chanR) */ 676 static uint8_t vpdTableR[AR5416_4K_NUM_PD_GAINS][AR5416_MAX_PWR_RANGE_IN_HALF_DB]; 677 678 /* filled out Vpd table for all pdGains (interpolated) */ 679 static uint8_t vpdTableI[AR5416_4K_NUM_PD_GAINS][AR5416_MAX_PWR_RANGE_IN_HALF_DB]; 680 681 uint8_t *pVpdL, *pVpdR, *pPwrL, *pPwrR; 682 uint8_t minPwrT4[AR5416_4K_NUM_PD_GAINS]; 683 uint8_t maxPwrT4[AR5416_4K_NUM_PD_GAINS]; 684 int16_t vpdStep; 685 int16_t tmpVal; 686 uint16_t sizeCurrVpdTable, maxIndex, tgtIndex; 687 HAL_BOOL match; 688 int16_t minDelta = 0; 689 CHAN_CENTERS centers; 690 691 ar5416GetChannelCenters(ah, chan, ¢ers); 692 693 /* Trim numPiers for the number of populated channel Piers */ 694 for (numPiers = 0; numPiers < availPiers; numPiers++) { 695 if (bChans[numPiers] == AR5416_BCHAN_UNUSED) { 696 break; 697 } 698 } 699 700 /* Find pier indexes around the current channel */ 701 match = getLowerUpperIndex((uint8_t)FREQ2FBIN(centers.synth_center, IS_CHAN_2GHZ(chan)), 702 bChans, numPiers, &idxL, &idxR); 703 704 if (match) { 705 /* Directly fill both vpd tables from the matching index */ 706 for (i = 0; i < numXpdGains; i++) { 707 minPwrT4[i] = pRawDataSet[idxL].pwrPdg[i][0]; 708 maxPwrT4[i] = pRawDataSet[idxL].pwrPdg[i][4]; 709 ar9285FillVpdTable(minPwrT4[i], maxPwrT4[i], 710 pRawDataSet[idxL].pwrPdg[i], 711 pRawDataSet[idxL].vpdPdg[i], 712 AR5416_PD_GAIN_ICEPTS, vpdTableI[i]); 713 } 714 } else { 715 for (i = 0; i < numXpdGains; i++) { 716 pVpdL = pRawDataSet[idxL].vpdPdg[i]; 717 pPwrL = pRawDataSet[idxL].pwrPdg[i]; 718 pVpdR = pRawDataSet[idxR].vpdPdg[i]; 719 pPwrR = pRawDataSet[idxR].pwrPdg[i]; 720 721 /* Start Vpd interpolation from the max of the minimum powers */ 722 minPwrT4[i] = AH_MAX(pPwrL[0], pPwrR[0]); 723 724 /* End Vpd interpolation from the min of the max powers */ 725 maxPwrT4[i] = AH_MIN(pPwrL[AR5416_PD_GAIN_ICEPTS - 1], pPwrR[AR5416_PD_GAIN_ICEPTS - 1]); 726 HALASSERT(maxPwrT4[i] > minPwrT4[i]); 727 728 /* Fill pier Vpds */ 729 ar9285FillVpdTable(minPwrT4[i], maxPwrT4[i], pPwrL, pVpdL, 730 AR5416_PD_GAIN_ICEPTS, vpdTableL[i]); 731 ar9285FillVpdTable(minPwrT4[i], maxPwrT4[i], pPwrR, pVpdR, 732 AR5416_PD_GAIN_ICEPTS, vpdTableR[i]); 733 734 /* Interpolate the final vpd */ 735 for (j = 0; j <= (maxPwrT4[i] - minPwrT4[i]) / 2; j++) { 736 vpdTableI[i][j] = (uint8_t)(interpolate((uint16_t)FREQ2FBIN(centers.synth_center, IS_CHAN_2GHZ(chan)), 737 bChans[idxL], bChans[idxR], vpdTableL[i][j], vpdTableR[i][j])); 738 } 739 } 740 } 741 *pMinCalPower = (int16_t)(minPwrT4[0] / 2); 742 743 k = 0; /* index for the final table */ 744 for (i = 0; i < numXpdGains; i++) { 745 if (i == (numXpdGains - 1)) { 746 pPdGainBoundaries[i] = (uint16_t)(maxPwrT4[i] / 2); 747 } else { 748 pPdGainBoundaries[i] = (uint16_t)((maxPwrT4[i] + minPwrT4[i+1]) / 4); 749 } 750 751 pPdGainBoundaries[i] = (uint16_t)AH_MIN(AR5416_MAX_RATE_POWER, pPdGainBoundaries[i]); 752 753 /* NB: only applies to owl 1.0 */ 754 if ((i == 0) && !AR_SREV_OWL_20_OR_LATER(ah) ) { 755 /* 756 * fix the gain delta, but get a delta that can be applied to min to 757 * keep the upper power values accurate, don't think max needs to 758 * be adjusted because should not be at that area of the table? 759 */ 760 minDelta = pPdGainBoundaries[0] - 23; 761 pPdGainBoundaries[0] = 23; 762 } 763 else { 764 minDelta = 0; 765 } 766 767 /* Find starting index for this pdGain */ 768 if (i == 0) { 769 ss = 0; /* for the first pdGain, start from index 0 */ 770 } else { 771 /* need overlap entries extrapolated below. */ 772 ss = (int16_t)((pPdGainBoundaries[i-1] - (minPwrT4[i] / 2)) - tPdGainOverlap + 1 + minDelta); 773 } 774 vpdStep = (int16_t)(vpdTableI[i][1] - vpdTableI[i][0]); 775 vpdStep = (int16_t)((vpdStep < 1) ? 1 : vpdStep); 776 /* 777 *-ve ss indicates need to extrapolate data below for this pdGain 778 */ 779 while ((ss < 0) && (k < (AR5416_NUM_PDADC_VALUES - 1))) { 780 tmpVal = (int16_t)(vpdTableI[i][0] + ss * vpdStep); 781 pPDADCValues[k++] = (uint8_t)((tmpVal < 0) ? 0 : tmpVal); 782 ss++; 783 } 784 785 sizeCurrVpdTable = (uint8_t)((maxPwrT4[i] - minPwrT4[i]) / 2 +1); 786 tgtIndex = (uint8_t)(pPdGainBoundaries[i] + tPdGainOverlap - (minPwrT4[i] / 2)); 787 maxIndex = (tgtIndex < sizeCurrVpdTable) ? tgtIndex : sizeCurrVpdTable; 788 789 while ((ss < maxIndex) && (k < (AR5416_NUM_PDADC_VALUES - 1))) { 790 pPDADCValues[k++] = vpdTableI[i][ss++]; 791 } 792 793 vpdStep = (int16_t)(vpdTableI[i][sizeCurrVpdTable - 1] - vpdTableI[i][sizeCurrVpdTable - 2]); 794 vpdStep = (int16_t)((vpdStep < 1) ? 1 : vpdStep); 795 /* 796 * for last gain, pdGainBoundary == Pmax_t2, so will 797 * have to extrapolate 798 */ 799 if (tgtIndex >= maxIndex) { /* need to extrapolate above */ 800 while ((ss <= tgtIndex) && (k < (AR5416_NUM_PDADC_VALUES - 1))) { 801 tmpVal = (int16_t)((vpdTableI[i][sizeCurrVpdTable - 1] + 802 (ss - maxIndex +1) * vpdStep)); 803 pPDADCValues[k++] = (uint8_t)((tmpVal > 255) ? 255 : tmpVal); 804 ss++; 805 } 806 } /* extrapolated above */ 807 } /* for all pdGainUsed */ 808 809 /* Fill out pdGainBoundaries - only up to 2 allowed here, but hardware allows up to 4 */ 810 while (i < AR5416_PD_GAINS_IN_MASK) { 811 pPdGainBoundaries[i] = pPdGainBoundaries[i-1]; 812 i++; 813 } 814 815 while (k < AR5416_NUM_PDADC_VALUES) { 816 pPDADCValues[k] = pPDADCValues[k-1]; 817 k++; 818 } 819 return; 820} 821/* 822 * XXX same as ar5416FillVpdTable 823 */ 824static HAL_BOOL 825ar9285FillVpdTable(uint8_t pwrMin, uint8_t pwrMax, uint8_t *pPwrList, 826 uint8_t *pVpdList, uint16_t numIntercepts, uint8_t *pRetVpdList) 827{ 828 uint16_t i, k; 829 uint8_t currPwr = pwrMin; 830 uint16_t idxL, idxR; 831 832 HALASSERT(pwrMax > pwrMin); 833 for (i = 0; i <= (pwrMax - pwrMin) / 2; i++) { 834 getLowerUpperIndex(currPwr, pPwrList, numIntercepts, 835 &(idxL), &(idxR)); 836 if (idxR < 1) 837 idxR = 1; /* extrapolate below */ 838 if (idxL == numIntercepts - 1) 839 idxL = (uint16_t)(numIntercepts - 2); /* extrapolate above */ 840 if (pPwrList[idxL] == pPwrList[idxR]) 841 k = pVpdList[idxL]; 842 else 843 k = (uint16_t)( ((currPwr - pPwrList[idxL]) * pVpdList[idxR] + (pPwrList[idxR] - currPwr) * pVpdList[idxL]) / 844 (pPwrList[idxR] - pPwrList[idxL]) ); 845 HALASSERT(k < 256); 846 pRetVpdList[i] = (uint8_t)k; 847 currPwr += 2; /* half dB steps */ 848 } 849 850 return AH_TRUE; 851} 852static int16_t 853interpolate(uint16_t target, uint16_t srcLeft, uint16_t srcRight, 854 int16_t targetLeft, int16_t targetRight) 855{ 856 int16_t rv; 857 858 if (srcRight == srcLeft) { 859 rv = targetLeft; 860 } else { 861 rv = (int16_t)( ((target - srcLeft) * targetRight + 862 (srcRight - target) * targetLeft) / (srcRight - srcLeft) ); 863 } 864 return rv; 865} 866 867HAL_BOOL 868getLowerUpperIndex(uint8_t target, uint8_t *pList, uint16_t listSize, 869 uint16_t *indexL, uint16_t *indexR) 870{ 871 uint16_t i; 872 873 /* 874 * Check first and last elements for beyond ordered array cases. 875 */ 876 if (target <= pList[0]) { 877 *indexL = *indexR = 0; 878 return AH_TRUE; 879 } 880 if (target >= pList[listSize-1]) { 881 *indexL = *indexR = (uint16_t)(listSize - 1); 882 return AH_TRUE; 883 } 884 885 /* look for value being near or between 2 values in list */ 886 for (i = 0; i < listSize - 1; i++) { 887 /* 888 * If value is close to the current value of the list 889 * then target is not between values, it is one of the values 890 */ 891 if (pList[i] == target) { 892 *indexL = *indexR = i; 893 return AH_TRUE; 894 } 895 /* 896 * Look for value being between current value and next value 897 * if so return these 2 values 898 */ 899 if (target < pList[i + 1]) { 900 *indexL = i; 901 *indexR = (uint16_t)(i + 1); 902 return AH_FALSE; 903 } 904 } 905 HALASSERT(0); 906 *indexL = *indexR = 0; 907 return AH_FALSE; 908} 909