/* * Copyright (c) 2008-2009 Atheros Communications Inc. * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "hw.h" #include "ar9002_phy.h" static int ath9k_hw_4k_get_eeprom_ver(struct ath_hw *ah) { return ((ah->eeprom.map4k.baseEepHeader.version >> 12) & 0xF); } static int ath9k_hw_4k_get_eeprom_rev(struct ath_hw *ah) { return ((ah->eeprom.map4k.baseEepHeader.version) & 0xFFF); } static bool ath9k_hw_4k_fill_eeprom(struct ath_hw *ah) { #define SIZE_EEPROM_4K (sizeof(struct ar5416_eeprom_4k) / sizeof(u16)) struct ath_common *common = ath9k_hw_common(ah); u16 *eep_data = (u16 *)&ah->eeprom.map4k; int addr, eep_start_loc = 0; eep_start_loc = 64; if (!ath9k_hw_use_flash(ah)) { ath_print(common, ATH_DBG_EEPROM, "Reading from EEPROM, not flash\n"); } for (addr = 0; addr < SIZE_EEPROM_4K; addr++) { if (!ath9k_hw_nvram_read(common, addr + eep_start_loc, eep_data)) { ath_print(common, ATH_DBG_EEPROM, "Unable to read eeprom region\n"); return false; } eep_data++; } return true; #undef SIZE_EEPROM_4K } static int ath9k_hw_4k_check_eeprom(struct ath_hw *ah) { #define EEPROM_4K_SIZE (sizeof(struct ar5416_eeprom_4k) / sizeof(u16)) struct ath_common *common = ath9k_hw_common(ah); struct ar5416_eeprom_4k *eep = (struct ar5416_eeprom_4k *) &ah->eeprom.map4k; u16 *eepdata, temp, magic, magic2; u32 sum = 0, el; bool need_swap = false; int i, addr; if (!ath9k_hw_use_flash(ah)) { if (!ath9k_hw_nvram_read(common, AR5416_EEPROM_MAGIC_OFFSET, &magic)) { ath_print(common, ATH_DBG_FATAL, "Reading Magic # failed\n"); return false; } ath_print(common, ATH_DBG_EEPROM, "Read Magic = 0x%04X\n", magic); if (magic != AR5416_EEPROM_MAGIC) { magic2 = swab16(magic); if (magic2 == AR5416_EEPROM_MAGIC) { need_swap = true; eepdata = (u16 *) (&ah->eeprom); for (addr = 0; addr < EEPROM_4K_SIZE; addr++) { temp = swab16(*eepdata); *eepdata = temp; eepdata++; } } else { ath_print(common, ATH_DBG_FATAL, "Invalid EEPROM Magic. " "endianness mismatch.\n"); return -EINVAL; } } } ath_print(common, ATH_DBG_EEPROM, "need_swap = %s.\n", need_swap ? "True" : "False"); if (need_swap) el = swab16(ah->eeprom.map4k.baseEepHeader.length); else el = ah->eeprom.map4k.baseEepHeader.length; if (el > sizeof(struct ar5416_eeprom_4k)) el = sizeof(struct ar5416_eeprom_4k) / sizeof(u16); else el = el / sizeof(u16); eepdata = (u16 *)(&ah->eeprom); for (i = 0; i < el; i++) sum ^= *eepdata++; if (need_swap) { u32 integer; u16 word; ath_print(common, ATH_DBG_EEPROM, "EEPROM Endianness is not native.. Changing\n"); word = swab16(eep->baseEepHeader.length); eep->baseEepHeader.length = word; word = swab16(eep->baseEepHeader.checksum); eep->baseEepHeader.checksum = word; word = swab16(eep->baseEepHeader.version); eep->baseEepHeader.version = word; word = swab16(eep->baseEepHeader.regDmn[0]); eep->baseEepHeader.regDmn[0] = word; word = swab16(eep->baseEepHeader.regDmn[1]); eep->baseEepHeader.regDmn[1] = word; word = swab16(eep->baseEepHeader.rfSilent); eep->baseEepHeader.rfSilent = word; word = swab16(eep->baseEepHeader.blueToothOptions); eep->baseEepHeader.blueToothOptions = word; word = swab16(eep->baseEepHeader.deviceCap); eep->baseEepHeader.deviceCap = word; integer = swab32(eep->modalHeader.antCtrlCommon); eep->modalHeader.antCtrlCommon = integer; for (i = 0; i < AR5416_EEP4K_MAX_CHAINS; i++) { integer = swab32(eep->modalHeader.antCtrlChain[i]); eep->modalHeader.antCtrlChain[i] = integer; } for (i = 0; i < AR5416_EEPROM_MODAL_SPURS; i++) { word = swab16(eep->modalHeader.spurChans[i].spurChan); eep->modalHeader.spurChans[i].spurChan = word; } } if (sum != 0xffff || ah->eep_ops->get_eeprom_ver(ah) != AR5416_EEP_VER || ah->eep_ops->get_eeprom_rev(ah) < AR5416_EEP_NO_BACK_VER) { ath_print(common, ATH_DBG_FATAL, "Bad EEPROM checksum 0x%x or revision 0x%04x\n", sum, ah->eep_ops->get_eeprom_ver(ah)); return -EINVAL; } return 0; #undef EEPROM_4K_SIZE } static u32 ath9k_hw_4k_get_eeprom(struct ath_hw *ah, enum eeprom_param param) { struct ar5416_eeprom_4k *eep = &ah->eeprom.map4k; struct modal_eep_4k_header *pModal = &eep->modalHeader; struct base_eep_header_4k *pBase = &eep->baseEepHeader; switch (param) { case EEP_NFTHRESH_2: return pModal->noiseFloorThreshCh[0]; case EEP_MAC_LSW: return pBase->macAddr[0] << 8 | pBase->macAddr[1]; case EEP_MAC_MID: return pBase->macAddr[2] << 8 | pBase->macAddr[3]; case EEP_MAC_MSW: return pBase->macAddr[4] << 8 | pBase->macAddr[5]; case EEP_REG_0: return pBase->regDmn[0]; case EEP_REG_1: return pBase->regDmn[1]; case EEP_OP_CAP: return pBase->deviceCap; case EEP_OP_MODE: return pBase->opCapFlags; case EEP_RF_SILENT: return pBase->rfSilent; case EEP_OB_2: return pModal->ob_0; case EEP_DB_2: return pModal->db1_1; case EEP_MINOR_REV: return pBase->version & AR5416_EEP_VER_MINOR_MASK; case EEP_TX_MASK: return pBase->txMask; case EEP_RX_MASK: return pBase->rxMask; case EEP_FRAC_N_5G: return 0; case EEP_PWR_TABLE_OFFSET: return AR5416_PWR_TABLE_OFFSET_DB; default: return 0; } } static void ath9k_hw_get_4k_gain_boundaries_pdadcs(struct ath_hw *ah, struct ath9k_channel *chan, struct cal_data_per_freq_4k *pRawDataSet, u8 *bChans, u16 availPiers, u16 tPdGainOverlap, int16_t *pMinCalPower, u16 *pPdGainBoundaries, u8 *pPDADCValues, u16 numXpdGains) { #define TMP_VAL_VPD_TABLE \ ((vpdTableI[i][sizeCurrVpdTable - 1] + (ss - maxIndex + 1) * vpdStep)); int i, j, k; int16_t ss; u16 idxL = 0, idxR = 0, numPiers; static u8 vpdTableL[AR5416_EEP4K_NUM_PD_GAINS] [AR5416_MAX_PWR_RANGE_IN_HALF_DB]; static u8 vpdTableR[AR5416_EEP4K_NUM_PD_GAINS] [AR5416_MAX_PWR_RANGE_IN_HALF_DB]; static u8 vpdTableI[AR5416_EEP4K_NUM_PD_GAINS] [AR5416_MAX_PWR_RANGE_IN_HALF_DB]; u8 *pVpdL, *pVpdR, *pPwrL, *pPwrR; u8 minPwrT4[AR5416_EEP4K_NUM_PD_GAINS]; u8 maxPwrT4[AR5416_EEP4K_NUM_PD_GAINS]; int16_t vpdStep; int16_t tmpVal; u16 sizeCurrVpdTable, maxIndex, tgtIndex; bool match; int16_t minDelta = 0; struct chan_centers centers; #define PD_GAIN_BOUNDARY_DEFAULT 58; ath9k_hw_get_channel_centers(ah, chan, ¢ers); for (numPiers = 0; numPiers < availPiers; numPiers++) { if (bChans[numPiers] == AR5416_BCHAN_UNUSED) break; } match = ath9k_hw_get_lower_upper_index( (u8)FREQ2FBIN(centers.synth_center, IS_CHAN_2GHZ(chan)), bChans, numPiers, &idxL, &idxR); if (match) { for (i = 0; i < numXpdGains; i++) { minPwrT4[i] = pRawDataSet[idxL].pwrPdg[i][0]; maxPwrT4[i] = pRawDataSet[idxL].pwrPdg[i][4]; ath9k_hw_fill_vpd_table(minPwrT4[i], maxPwrT4[i], pRawDataSet[idxL].pwrPdg[i], pRawDataSet[idxL].vpdPdg[i], AR5416_EEP4K_PD_GAIN_ICEPTS, vpdTableI[i]); } } else { for (i = 0; i < numXpdGains; i++) { pVpdL = pRawDataSet[idxL].vpdPdg[i]; pPwrL = pRawDataSet[idxL].pwrPdg[i]; pVpdR = pRawDataSet[idxR].vpdPdg[i]; pPwrR = pRawDataSet[idxR].pwrPdg[i]; minPwrT4[i] = max(pPwrL[0], pPwrR[0]); maxPwrT4[i] = min(pPwrL[AR5416_EEP4K_PD_GAIN_ICEPTS - 1], pPwrR[AR5416_EEP4K_PD_GAIN_ICEPTS - 1]); ath9k_hw_fill_vpd_table(minPwrT4[i], maxPwrT4[i], pPwrL, pVpdL, AR5416_EEP4K_PD_GAIN_ICEPTS, vpdTableL[i]); ath9k_hw_fill_vpd_table(minPwrT4[i], maxPwrT4[i], pPwrR, pVpdR, AR5416_EEP4K_PD_GAIN_ICEPTS, vpdTableR[i]); for (j = 0; j <= (maxPwrT4[i] - minPwrT4[i]) / 2; j++) { vpdTableI[i][j] = (u8)(ath9k_hw_interpolate((u16) FREQ2FBIN(centers. synth_center, IS_CHAN_2GHZ (chan)), bChans[idxL], bChans[idxR], vpdTableL[i][j], vpdTableR[i][j])); } } } *pMinCalPower = (int16_t)(minPwrT4[0] / 2); k = 0; for (i = 0; i < numXpdGains; i++) { if (i == (numXpdGains - 1)) pPdGainBoundaries[i] = (u16)(maxPwrT4[i] / 2); else pPdGainBoundaries[i] = (u16)((maxPwrT4[i] + minPwrT4[i + 1]) / 4); pPdGainBoundaries[i] = min((u16)AR5416_MAX_RATE_POWER, pPdGainBoundaries[i]); if ((i == 0) && !AR_SREV_5416_20_OR_LATER(ah)) { minDelta = pPdGainBoundaries[0] - 23; pPdGainBoundaries[0] = 23; } else { minDelta = 0; } if (i == 0) { if (AR_SREV_9280_10_OR_LATER(ah)) ss = (int16_t)(0 - (minPwrT4[i] / 2)); else ss = 0; } else { ss = (int16_t)((pPdGainBoundaries[i - 1] - (minPwrT4[i] / 2)) - tPdGainOverlap + 1 + minDelta); } vpdStep = (int16_t)(vpdTableI[i][1] - vpdTableI[i][0]); vpdStep = (int16_t)((vpdStep < 1) ? 1 : vpdStep); while ((ss < 0) && (k < (AR5416_NUM_PDADC_VALUES - 1))) { tmpVal = (int16_t)(vpdTableI[i][0] + ss * vpdStep); pPDADCValues[k++] = (u8)((tmpVal < 0) ? 0 : tmpVal); ss++; } sizeCurrVpdTable = (u8) ((maxPwrT4[i] - minPwrT4[i]) / 2 + 1); tgtIndex = (u8)(pPdGainBoundaries[i] + tPdGainOverlap - (minPwrT4[i] / 2)); maxIndex = (tgtIndex < sizeCurrVpdTable) ? tgtIndex : sizeCurrVpdTable; while ((ss < maxIndex) && (k < (AR5416_NUM_PDADC_VALUES - 1))) pPDADCValues[k++] = vpdTableI[i][ss++]; vpdStep = (int16_t)(vpdTableI[i][sizeCurrVpdTable - 1] - vpdTableI[i][sizeCurrVpdTable - 2]); vpdStep = (int16_t)((vpdStep < 1) ? 1 : vpdStep); if (tgtIndex >= maxIndex) { while ((ss <= tgtIndex) && (k < (AR5416_NUM_PDADC_VALUES - 1))) { tmpVal = (int16_t) TMP_VAL_VPD_TABLE; pPDADCValues[k++] = (u8)((tmpVal > 255) ? 255 : tmpVal); ss++; } } } while (i < AR5416_EEP4K_PD_GAINS_IN_MASK) { pPdGainBoundaries[i] = PD_GAIN_BOUNDARY_DEFAULT; i++; } while (k < AR5416_NUM_PDADC_VALUES) { pPDADCValues[k] = pPDADCValues[k - 1]; k++; } return; #undef TMP_VAL_VPD_TABLE } static void ath9k_hw_set_4k_power_cal_table(struct ath_hw *ah, struct ath9k_channel *chan, int16_t *pTxPowerIndexOffset) { struct ath_common *common = ath9k_hw_common(ah); struct ar5416_eeprom_4k *pEepData = &ah->eeprom.map4k; struct cal_data_per_freq_4k *pRawDataset; u8 *pCalBChans = NULL; u16 pdGainOverlap_t2; static u8 pdadcValues[AR5416_NUM_PDADC_VALUES]; u16 gainBoundaries[AR5416_EEP4K_PD_GAINS_IN_MASK]; u16 numPiers, i, j; int16_t tMinCalPower; u16 numXpdGain, xpdMask; u16 xpdGainValues[AR5416_EEP4K_NUM_PD_GAINS] = { 0, 0 }; u32 reg32, regOffset, regChainOffset; xpdMask = pEepData->modalHeader.xpdGain; if ((pEepData->baseEepHeader.version & AR5416_EEP_VER_MINOR_MASK) >= AR5416_EEP_MINOR_VER_2) { pdGainOverlap_t2 = pEepData->modalHeader.pdGainOverlap; } else { pdGainOverlap_t2 = (u16)(MS(REG_READ(ah, AR_PHY_TPCRG5), AR_PHY_TPCRG5_PD_GAIN_OVERLAP)); } pCalBChans = pEepData->calFreqPier2G; numPiers = AR5416_EEP4K_NUM_2G_CAL_PIERS; numXpdGain = 0; for (i = 1; i <= AR5416_EEP4K_PD_GAINS_IN_MASK; i++) { if ((xpdMask >> (AR5416_EEP4K_PD_GAINS_IN_MASK - i)) & 1) { if (numXpdGain >= AR5416_EEP4K_NUM_PD_GAINS) break; xpdGainValues[numXpdGain] = (u16)(AR5416_EEP4K_PD_GAINS_IN_MASK - i); numXpdGain++; } } REG_RMW_FIELD(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_NUM_PD_GAIN, (numXpdGain - 1) & 0x3); REG_RMW_FIELD(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_PD_GAIN_1, xpdGainValues[0]); REG_RMW_FIELD(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_PD_GAIN_2, xpdGainValues[1]); REG_RMW_FIELD(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_PD_GAIN_3, 0); for (i = 0; i < AR5416_EEP4K_MAX_CHAINS; i++) { if (AR_SREV_5416_20_OR_LATER(ah) && (ah->rxchainmask == 5 || ah->txchainmask == 5) && (i != 0)) { regChainOffset = (i == 1) ? 0x2000 : 0x1000; } else regChainOffset = i * 0x1000; if (pEepData->baseEepHeader.txMask & (1 << i)) { pRawDataset = pEepData->calPierData2G[i]; ath9k_hw_get_4k_gain_boundaries_pdadcs(ah, chan, pRawDataset, pCalBChans, numPiers, pdGainOverlap_t2, &tMinCalPower, gainBoundaries, pdadcValues, numXpdGain); if ((i == 0) || AR_SREV_5416_20_OR_LATER(ah)) { REG_WRITE(ah, AR_PHY_TPCRG5 + regChainOffset, SM(pdGainOverlap_t2, AR_PHY_TPCRG5_PD_GAIN_OVERLAP) | SM(gainBoundaries[0], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_1) | SM(gainBoundaries[1], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_2) | SM(gainBoundaries[2], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_3) | SM(gainBoundaries[3], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_4)); } regOffset = AR_PHY_BASE + (672 << 2) + regChainOffset; for (j = 0; j < 32; j++) { reg32 = ((pdadcValues[4 * j + 0] & 0xFF) << 0) | ((pdadcValues[4 * j + 1] & 0xFF) << 8) | ((pdadcValues[4 * j + 2] & 0xFF) << 16)| ((pdadcValues[4 * j + 3] & 0xFF) << 24); REG_WRITE(ah, regOffset, reg32); ath_print(common, ATH_DBG_EEPROM, "PDADC (%d,%4x): %4.4x %8.8x\n", i, regChainOffset, regOffset, reg32); ath_print(common, ATH_DBG_EEPROM, "PDADC: Chain %d | " "PDADC %3d Value %3d | " "PDADC %3d Value %3d | " "PDADC %3d Value %3d | " "PDADC %3d Value %3d |\n", i, 4 * j, pdadcValues[4 * j], 4 * j + 1, pdadcValues[4 * j + 1], 4 * j + 2, pdadcValues[4 * j + 2], 4 * j + 3, pdadcValues[4 * j + 3]); regOffset += 4; } } } *pTxPowerIndexOffset = 0; } static void ath9k_hw_set_4k_power_per_rate_table(struct ath_hw *ah, struct ath9k_channel *chan, int16_t *ratesArray, u16 cfgCtl, u16 AntennaReduction, u16 twiceMaxRegulatoryPower, u16 powerLimit) { #define CMP_TEST_GRP \ (((cfgCtl & ~CTL_MODE_M)| (pCtlMode[ctlMode] & CTL_MODE_M)) == \ pEepData->ctlIndex[i]) \ || (((cfgCtl & ~CTL_MODE_M) | (pCtlMode[ctlMode] & CTL_MODE_M)) == \ ((pEepData->ctlIndex[i] & CTL_MODE_M) | SD_NO_CTL)) struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah); int i; int16_t twiceLargestAntenna; u16 twiceMinEdgePower; u16 twiceMaxEdgePower = AR5416_MAX_RATE_POWER; u16 scaledPower = 0, minCtlPower, maxRegAllowedPower; u16 numCtlModes, *pCtlMode, ctlMode, freq; struct chan_centers centers; struct cal_ctl_data_4k *rep; struct ar5416_eeprom_4k *pEepData = &ah->eeprom.map4k; static const u16 tpScaleReductionTable[5] = { 0, 3, 6, 9, AR5416_MAX_RATE_POWER }; struct cal_target_power_leg targetPowerOfdm, targetPowerCck = { 0, { 0, 0, 0, 0} }; struct cal_target_power_leg targetPowerOfdmExt = { 0, { 0, 0, 0, 0} }, targetPowerCckExt = { 0, { 0, 0, 0, 0 } }; struct cal_target_power_ht targetPowerHt20, targetPowerHt40 = { 0, {0, 0, 0, 0} }; u16 ctlModesFor11g[] = { CTL_11B, CTL_11G, CTL_2GHT20, CTL_11B_EXT, CTL_11G_EXT, CTL_2GHT40 }; ath9k_hw_get_channel_centers(ah, chan, ¢ers); twiceLargestAntenna = pEepData->modalHeader.antennaGainCh[0]; twiceLargestAntenna = (int16_t)min(AntennaReduction - twiceLargestAntenna, 0); maxRegAllowedPower = twiceMaxRegulatoryPower + twiceLargestAntenna; if (regulatory->tp_scale != ATH9K_TP_SCALE_MAX) { maxRegAllowedPower -= (tpScaleReductionTable[(regulatory->tp_scale)] * 2); } scaledPower = min(powerLimit, maxRegAllowedPower); scaledPower = max((u16)0, scaledPower); numCtlModes = ARRAY_SIZE(ctlModesFor11g) - SUB_NUM_CTL_MODES_AT_2G_40; pCtlMode = ctlModesFor11g; ath9k_hw_get_legacy_target_powers(ah, chan, pEepData->calTargetPowerCck, AR5416_NUM_2G_CCK_TARGET_POWERS, &targetPowerCck, 4, false); ath9k_hw_get_legacy_target_powers(ah, chan, pEepData->calTargetPower2G, AR5416_NUM_2G_20_TARGET_POWERS, &targetPowerOfdm, 4, false); ath9k_hw_get_target_powers(ah, chan, pEepData->calTargetPower2GHT20, AR5416_NUM_2G_20_TARGET_POWERS, &targetPowerHt20, 8, false); if (IS_CHAN_HT40(chan)) { numCtlModes = ARRAY_SIZE(ctlModesFor11g); ath9k_hw_get_target_powers(ah, chan, pEepData->calTargetPower2GHT40, AR5416_NUM_2G_40_TARGET_POWERS, &targetPowerHt40, 8, true); ath9k_hw_get_legacy_target_powers(ah, chan, pEepData->calTargetPowerCck, AR5416_NUM_2G_CCK_TARGET_POWERS, &targetPowerCckExt, 4, true); ath9k_hw_get_legacy_target_powers(ah, chan, pEepData->calTargetPower2G, AR5416_NUM_2G_20_TARGET_POWERS, &targetPowerOfdmExt, 4, true); } for (ctlMode = 0; ctlMode < numCtlModes; ctlMode++) { bool isHt40CtlMode = (pCtlMode[ctlMode] == CTL_5GHT40) || (pCtlMode[ctlMode] == CTL_2GHT40); if (isHt40CtlMode) freq = centers.synth_center; else if (pCtlMode[ctlMode] & EXT_ADDITIVE) freq = centers.ext_center; else freq = centers.ctl_center; if (ah->eep_ops->get_eeprom_ver(ah) == 14 && ah->eep_ops->get_eeprom_rev(ah) <= 2) twiceMaxEdgePower = AR5416_MAX_RATE_POWER; for (i = 0; (i < AR5416_EEP4K_NUM_CTLS) && pEepData->ctlIndex[i]; i++) { if (CMP_TEST_GRP) { rep = &(pEepData->ctlData[i]); twiceMinEdgePower = ath9k_hw_get_max_edge_power( freq, rep->ctlEdges[ ar5416_get_ntxchains(ah->txchainmask) - 1], IS_CHAN_2GHZ(chan), AR5416_EEP4K_NUM_BAND_EDGES); if ((cfgCtl & ~CTL_MODE_M) == SD_NO_CTL) { twiceMaxEdgePower = min(twiceMaxEdgePower, twiceMinEdgePower); } else { twiceMaxEdgePower = twiceMinEdgePower; break; } } } minCtlPower = (u8)min(twiceMaxEdgePower, scaledPower); switch (pCtlMode[ctlMode]) { case CTL_11B: for (i = 0; i < ARRAY_SIZE(targetPowerCck.tPow2x); i++) { targetPowerCck.tPow2x[i] = min((u16)targetPowerCck.tPow2x[i], minCtlPower); } break; case CTL_11G: for (i = 0; i < ARRAY_SIZE(targetPowerOfdm.tPow2x); i++) { targetPowerOfdm.tPow2x[i] = min((u16)targetPowerOfdm.tPow2x[i], minCtlPower); } break; case CTL_2GHT20: for (i = 0; i < ARRAY_SIZE(targetPowerHt20.tPow2x); i++) { targetPowerHt20.tPow2x[i] = min((u16)targetPowerHt20.tPow2x[i], minCtlPower); } break; case CTL_11B_EXT: targetPowerCckExt.tPow2x[0] = min((u16)targetPowerCckExt.tPow2x[0], minCtlPower); break; case CTL_11G_EXT: targetPowerOfdmExt.tPow2x[0] = min((u16)targetPowerOfdmExt.tPow2x[0], minCtlPower); break; case CTL_2GHT40: for (i = 0; i < ARRAY_SIZE(targetPowerHt40.tPow2x); i++) { targetPowerHt40.tPow2x[i] = min((u16)targetPowerHt40.tPow2x[i], minCtlPower); } break; default: break; } } ratesArray[rate6mb] = ratesArray[rate9mb] = ratesArray[rate12mb] = ratesArray[rate18mb] = ratesArray[rate24mb] = targetPowerOfdm.tPow2x[0]; ratesArray[rate36mb] = targetPowerOfdm.tPow2x[1]; ratesArray[rate48mb] = targetPowerOfdm.tPow2x[2]; ratesArray[rate54mb] = targetPowerOfdm.tPow2x[3]; ratesArray[rateXr] = targetPowerOfdm.tPow2x[0]; for (i = 0; i < ARRAY_SIZE(targetPowerHt20.tPow2x); i++) ratesArray[rateHt20_0 + i] = targetPowerHt20.tPow2x[i]; ratesArray[rate1l] = targetPowerCck.tPow2x[0]; ratesArray[rate2s] = ratesArray[rate2l] = targetPowerCck.tPow2x[1]; ratesArray[rate5_5s] = ratesArray[rate5_5l] = targetPowerCck.tPow2x[2]; ratesArray[rate11s] = ratesArray[rate11l] = targetPowerCck.tPow2x[3]; if (IS_CHAN_HT40(chan)) { for (i = 0; i < ARRAY_SIZE(targetPowerHt40.tPow2x); i++) { ratesArray[rateHt40_0 + i] = targetPowerHt40.tPow2x[i]; } ratesArray[rateDupOfdm] = targetPowerHt40.tPow2x[0]; ratesArray[rateDupCck] = targetPowerHt40.tPow2x[0]; ratesArray[rateExtOfdm] = targetPowerOfdmExt.tPow2x[0]; ratesArray[rateExtCck] = targetPowerCckExt.tPow2x[0]; } #undef CMP_TEST_GRP } static void ath9k_hw_4k_set_txpower(struct ath_hw *ah, struct ath9k_channel *chan, u16 cfgCtl, u8 twiceAntennaReduction, u8 twiceMaxRegulatoryPower, u8 powerLimit) { struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah); struct ar5416_eeprom_4k *pEepData = &ah->eeprom.map4k; struct modal_eep_4k_header *pModal = &pEepData->modalHeader; int16_t ratesArray[Ar5416RateSize]; int16_t txPowerIndexOffset = 0; u8 ht40PowerIncForPdadc = 2; int i; memset(ratesArray, 0, sizeof(ratesArray)); if ((pEepData->baseEepHeader.version & AR5416_EEP_VER_MINOR_MASK) >= AR5416_EEP_MINOR_VER_2) { ht40PowerIncForPdadc = pModal->ht40PowerIncForPdadc; } ath9k_hw_set_4k_power_per_rate_table(ah, chan, &ratesArray[0], cfgCtl, twiceAntennaReduction, twiceMaxRegulatoryPower, powerLimit); ath9k_hw_set_4k_power_cal_table(ah, chan, &txPowerIndexOffset); for (i = 0; i < ARRAY_SIZE(ratesArray); i++) { ratesArray[i] = (int16_t)(txPowerIndexOffset + ratesArray[i]); if (ratesArray[i] > AR5416_MAX_RATE_POWER) ratesArray[i] = AR5416_MAX_RATE_POWER; } /* Update regulatory */ i = rate6mb; if (IS_CHAN_HT40(chan)) i = rateHt40_0; else if (IS_CHAN_HT20(chan)) i = rateHt20_0; regulatory->max_power_level = ratesArray[i]; if (AR_SREV_9280_10_OR_LATER(ah)) { for (i = 0; i < Ar5416RateSize; i++) ratesArray[i] -= AR5416_PWR_TABLE_OFFSET_DB * 2; } /* OFDM power per rate */ REG_WRITE(ah, AR_PHY_POWER_TX_RATE1, ATH9K_POW_SM(ratesArray[rate18mb], 24) | ATH9K_POW_SM(ratesArray[rate12mb], 16) | ATH9K_POW_SM(ratesArray[rate9mb], 8) | ATH9K_POW_SM(ratesArray[rate6mb], 0)); REG_WRITE(ah, AR_PHY_POWER_TX_RATE2, ATH9K_POW_SM(ratesArray[rate54mb], 24) | ATH9K_POW_SM(ratesArray[rate48mb], 16) | ATH9K_POW_SM(ratesArray[rate36mb], 8) | ATH9K_POW_SM(ratesArray[rate24mb], 0)); /* CCK power per rate */ REG_WRITE(ah, AR_PHY_POWER_TX_RATE3, ATH9K_POW_SM(ratesArray[rate2s], 24) | ATH9K_POW_SM(ratesArray[rate2l], 16) | ATH9K_POW_SM(ratesArray[rateXr], 8) | ATH9K_POW_SM(ratesArray[rate1l], 0)); REG_WRITE(ah, AR_PHY_POWER_TX_RATE4, ATH9K_POW_SM(ratesArray[rate11s], 24) | ATH9K_POW_SM(ratesArray[rate11l], 16) | ATH9K_POW_SM(ratesArray[rate5_5s], 8) | ATH9K_POW_SM(ratesArray[rate5_5l], 0)); /* HT20 power per rate */ REG_WRITE(ah, AR_PHY_POWER_TX_RATE5, ATH9K_POW_SM(ratesArray[rateHt20_3], 24) | ATH9K_POW_SM(ratesArray[rateHt20_2], 16) | ATH9K_POW_SM(ratesArray[rateHt20_1], 8) | ATH9K_POW_SM(ratesArray[rateHt20_0], 0)); REG_WRITE(ah, AR_PHY_POWER_TX_RATE6, ATH9K_POW_SM(ratesArray[rateHt20_7], 24) | ATH9K_POW_SM(ratesArray[rateHt20_6], 16) | ATH9K_POW_SM(ratesArray[rateHt20_5], 8) | ATH9K_POW_SM(ratesArray[rateHt20_4], 0)); /* HT40 power per rate */ if (IS_CHAN_HT40(chan)) { REG_WRITE(ah, AR_PHY_POWER_TX_RATE7, ATH9K_POW_SM(ratesArray[rateHt40_3] + ht40PowerIncForPdadc, 24) | ATH9K_POW_SM(ratesArray[rateHt40_2] + ht40PowerIncForPdadc, 16) | ATH9K_POW_SM(ratesArray[rateHt40_1] + ht40PowerIncForPdadc, 8) | ATH9K_POW_SM(ratesArray[rateHt40_0] + ht40PowerIncForPdadc, 0)); REG_WRITE(ah, AR_PHY_POWER_TX_RATE8, ATH9K_POW_SM(ratesArray[rateHt40_7] + ht40PowerIncForPdadc, 24) | ATH9K_POW_SM(ratesArray[rateHt40_6] + ht40PowerIncForPdadc, 16) | ATH9K_POW_SM(ratesArray[rateHt40_5] + ht40PowerIncForPdadc, 8) | ATH9K_POW_SM(ratesArray[rateHt40_4] + ht40PowerIncForPdadc, 0)); REG_WRITE(ah, AR_PHY_POWER_TX_RATE9, ATH9K_POW_SM(ratesArray[rateExtOfdm], 24) | ATH9K_POW_SM(ratesArray[rateExtCck], 16) | ATH9K_POW_SM(ratesArray[rateDupOfdm], 8) | ATH9K_POW_SM(ratesArray[rateDupCck], 0)); } } static void ath9k_hw_4k_set_addac(struct ath_hw *ah, struct ath9k_channel *chan) { struct modal_eep_4k_header *pModal; struct ar5416_eeprom_4k *eep = &ah->eeprom.map4k; u8 biaslevel; if (ah->hw_version.macVersion != AR_SREV_VERSION_9160) return; if (ah->eep_ops->get_eeprom_rev(ah) < AR5416_EEP_MINOR_VER_7) return; pModal = &eep->modalHeader; if (pModal->xpaBiasLvl != 0xff) { biaslevel = pModal->xpaBiasLvl; INI_RA(&ah->iniAddac, 7, 1) = (INI_RA(&ah->iniAddac, 7, 1) & (~0x18)) | biaslevel << 3; } } static void ath9k_hw_4k_set_gain(struct ath_hw *ah, struct modal_eep_4k_header *pModal, struct ar5416_eeprom_4k *eep, u8 txRxAttenLocal) { REG_WRITE(ah, AR_PHY_SWITCH_CHAIN_0, pModal->antCtrlChain[0]); REG_WRITE(ah, AR_PHY_TIMING_CTRL4(0), (REG_READ(ah, AR_PHY_TIMING_CTRL4(0)) & ~(AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF | AR_PHY_TIMING_CTRL4_IQCORR_Q_I_COFF)) | SM(pModal->iqCalICh[0], AR_PHY_TIMING_CTRL4_IQCORR_Q_I_COFF) | SM(pModal->iqCalQCh[0], AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF)); if ((eep->baseEepHeader.version & AR5416_EEP_VER_MINOR_MASK) >= AR5416_EEP_MINOR_VER_3) { txRxAttenLocal = pModal->txRxAttenCh[0]; REG_RMW_FIELD(ah, AR_PHY_GAIN_2GHZ, AR_PHY_GAIN_2GHZ_XATTEN1_MARGIN, pModal->bswMargin[0]); REG_RMW_FIELD(ah, AR_PHY_GAIN_2GHZ, AR_PHY_GAIN_2GHZ_XATTEN1_DB, pModal->bswAtten[0]); REG_RMW_FIELD(ah, AR_PHY_GAIN_2GHZ, AR_PHY_GAIN_2GHZ_XATTEN2_MARGIN, pModal->xatten2Margin[0]); REG_RMW_FIELD(ah, AR_PHY_GAIN_2GHZ, AR_PHY_GAIN_2GHZ_XATTEN2_DB, pModal->xatten2Db[0]); /* Set the block 1 value to block 0 value */ REG_RMW_FIELD(ah, AR_PHY_GAIN_2GHZ + 0x1000, AR_PHY_GAIN_2GHZ_XATTEN1_MARGIN, pModal->bswMargin[0]); REG_RMW_FIELD(ah, AR_PHY_GAIN_2GHZ + 0x1000, AR_PHY_GAIN_2GHZ_XATTEN1_DB, pModal->bswAtten[0]); REG_RMW_FIELD(ah, AR_PHY_GAIN_2GHZ + 0x1000, AR_PHY_GAIN_2GHZ_XATTEN2_MARGIN, pModal->xatten2Margin[0]); REG_RMW_FIELD(ah, AR_PHY_GAIN_2GHZ + 0x1000, AR_PHY_GAIN_2GHZ_XATTEN2_DB, pModal->xatten2Db[0]); } REG_RMW_FIELD(ah, AR_PHY_RXGAIN, AR9280_PHY_RXGAIN_TXRX_ATTEN, txRxAttenLocal); REG_RMW_FIELD(ah, AR_PHY_RXGAIN, AR9280_PHY_RXGAIN_TXRX_MARGIN, pModal->rxTxMarginCh[0]); REG_RMW_FIELD(ah, AR_PHY_RXGAIN + 0x1000, AR9280_PHY_RXGAIN_TXRX_ATTEN, txRxAttenLocal); REG_RMW_FIELD(ah, AR_PHY_RXGAIN + 0x1000, AR9280_PHY_RXGAIN_TXRX_MARGIN, pModal->rxTxMarginCh[0]); if (AR_SREV_9285_11(ah)) REG_WRITE(ah, AR9285_AN_TOP4, (AR9285_AN_TOP4_DEFAULT | 0x14)); } /* * Read EEPROM header info and program the device for correct operation * given the channel value. */ static void ath9k_hw_4k_set_board_values(struct ath_hw *ah, struct ath9k_channel *chan) { struct modal_eep_4k_header *pModal; struct ar5416_eeprom_4k *eep = &ah->eeprom.map4k; u8 txRxAttenLocal; u8 ob[5], db1[5], db2[5]; u8 ant_div_control1, ant_div_control2; u32 regVal; pModal = &eep->modalHeader; txRxAttenLocal = 23; REG_WRITE(ah, AR_PHY_SWITCH_COM, ah->eep_ops->get_eeprom_antenna_cfg(ah, chan)); /* Single chain for 4K EEPROM*/ ath9k_hw_4k_set_gain(ah, pModal, eep, txRxAttenLocal); /* Initialize Ant Diversity settings from EEPROM */ if (pModal->version >= 3) { ant_div_control1 = pModal->antdiv_ctl1; ant_div_control2 = pModal->antdiv_ctl2; regVal = REG_READ(ah, AR_PHY_MULTICHAIN_GAIN_CTL); regVal &= (~(AR_PHY_9285_ANT_DIV_CTL_ALL)); regVal |= SM(ant_div_control1, AR_PHY_9285_ANT_DIV_CTL); regVal |= SM(ant_div_control2, AR_PHY_9285_ANT_DIV_ALT_LNACONF); regVal |= SM((ant_div_control2 >> 2), AR_PHY_9285_ANT_DIV_MAIN_LNACONF); regVal |= SM((ant_div_control1 >> 1), AR_PHY_9285_ANT_DIV_ALT_GAINTB); regVal |= SM((ant_div_control1 >> 2), AR_PHY_9285_ANT_DIV_MAIN_GAINTB); REG_WRITE(ah, AR_PHY_MULTICHAIN_GAIN_CTL, regVal); regVal = REG_READ(ah, AR_PHY_MULTICHAIN_GAIN_CTL); regVal = REG_READ(ah, AR_PHY_CCK_DETECT); regVal &= (~AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV); regVal |= SM((ant_div_control1 >> 3), AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV); REG_WRITE(ah, AR_PHY_CCK_DETECT, regVal); regVal = REG_READ(ah, AR_PHY_CCK_DETECT); } if (pModal->version >= 2) { ob[0] = pModal->ob_0; ob[1] = pModal->ob_1; ob[2] = pModal->ob_2; ob[3] = pModal->ob_3; ob[4] = pModal->ob_4; db1[0] = pModal->db1_0; db1[1] = pModal->db1_1; db1[2] = pModal->db1_2; db1[3] = pModal->db1_3; db1[4] = pModal->db1_4; db2[0] = pModal->db2_0; db2[1] = pModal->db2_1; db2[2] = pModal->db2_2; db2[3] = pModal->db2_3; db2[4] = pModal->db2_4; } else if (pModal->version == 1) { ob[0] = pModal->ob_0; ob[1] = ob[2] = ob[3] = ob[4] = pModal->ob_1; db1[0] = pModal->db1_0; db1[1] = db1[2] = db1[3] = db1[4] = pModal->db1_1; db2[0] = pModal->db2_0; db2[1] = db2[2] = db2[3] = db2[4] = pModal->db2_1; } else { int i; for (i = 0; i < 5; i++) { ob[i] = pModal->ob_0; db1[i] = pModal->db1_0; db2[i] = pModal->db1_0; } } if (AR_SREV_9271(ah)) { ath9k_hw_analog_shift_rmw(ah, AR9285_AN_RF2G3, AR9271_AN_RF2G3_OB_cck, AR9271_AN_RF2G3_OB_cck_S, ob[0]); ath9k_hw_analog_shift_rmw(ah, AR9285_AN_RF2G3, AR9271_AN_RF2G3_OB_psk, AR9271_AN_RF2G3_OB_psk_S, ob[1]); ath9k_hw_analog_shift_rmw(ah, AR9285_AN_RF2G3, AR9271_AN_RF2G3_OB_qam, AR9271_AN_RF2G3_OB_qam_S, ob[2]); ath9k_hw_analog_shift_rmw(ah, AR9285_AN_RF2G3, AR9271_AN_RF2G3_DB_1, AR9271_AN_RF2G3_DB_1_S, db1[0]); ath9k_hw_analog_shift_rmw(ah, AR9285_AN_RF2G4, AR9271_AN_RF2G4_DB_2, AR9271_AN_RF2G4_DB_2_S, db2[0]); } else { ath9k_hw_analog_shift_rmw(ah, AR9285_AN_RF2G3, AR9285_AN_RF2G3_OB_0, AR9285_AN_RF2G3_OB_0_S, ob[0]); ath9k_hw_analog_shift_rmw(ah, AR9285_AN_RF2G3, AR9285_AN_RF2G3_OB_1, AR9285_AN_RF2G3_OB_1_S, ob[1]); ath9k_hw_analog_shift_rmw(ah, AR9285_AN_RF2G3, AR9285_AN_RF2G3_OB_2, AR9285_AN_RF2G3_OB_2_S, ob[2]); ath9k_hw_analog_shift_rmw(ah, AR9285_AN_RF2G3, AR9285_AN_RF2G3_OB_3, AR9285_AN_RF2G3_OB_3_S, ob[3]); ath9k_hw_analog_shift_rmw(ah, AR9285_AN_RF2G3, AR9285_AN_RF2G3_OB_4, AR9285_AN_RF2G3_OB_4_S, ob[4]); ath9k_hw_analog_shift_rmw(ah, AR9285_AN_RF2G3, AR9285_AN_RF2G3_DB1_0, AR9285_AN_RF2G3_DB1_0_S, db1[0]); ath9k_hw_analog_shift_rmw(ah, AR9285_AN_RF2G3, AR9285_AN_RF2G3_DB1_1, AR9285_AN_RF2G3_DB1_1_S, db1[1]); ath9k_hw_analog_shift_rmw(ah, AR9285_AN_RF2G3, AR9285_AN_RF2G3_DB1_2, AR9285_AN_RF2G3_DB1_2_S, db1[2]); ath9k_hw_analog_shift_rmw(ah, AR9285_AN_RF2G4, AR9285_AN_RF2G4_DB1_3, AR9285_AN_RF2G4_DB1_3_S, db1[3]); ath9k_hw_analog_shift_rmw(ah, AR9285_AN_RF2G4, AR9285_AN_RF2G4_DB1_4, AR9285_AN_RF2G4_DB1_4_S, db1[4]); ath9k_hw_analog_shift_rmw(ah, AR9285_AN_RF2G4, AR9285_AN_RF2G4_DB2_0, AR9285_AN_RF2G4_DB2_0_S, db2[0]); ath9k_hw_analog_shift_rmw(ah, AR9285_AN_RF2G4, AR9285_AN_RF2G4_DB2_1, AR9285_AN_RF2G4_DB2_1_S, db2[1]); ath9k_hw_analog_shift_rmw(ah, AR9285_AN_RF2G4, AR9285_AN_RF2G4_DB2_2, AR9285_AN_RF2G4_DB2_2_S, db2[2]); ath9k_hw_analog_shift_rmw(ah, AR9285_AN_RF2G4, AR9285_AN_RF2G4_DB2_3, AR9285_AN_RF2G4_DB2_3_S, db2[3]); ath9k_hw_analog_shift_rmw(ah, AR9285_AN_RF2G4, AR9285_AN_RF2G4_DB2_4, AR9285_AN_RF2G4_DB2_4_S, db2[4]); } if (AR_SREV_9285_11(ah)) REG_WRITE(ah, AR9285_AN_TOP4, AR9285_AN_TOP4_DEFAULT); REG_RMW_FIELD(ah, AR_PHY_SETTLING, AR_PHY_SETTLING_SWITCH, pModal->switchSettling); REG_RMW_FIELD(ah, AR_PHY_DESIRED_SZ, AR_PHY_DESIRED_SZ_ADC, pModal->adcDesiredSize); REG_WRITE(ah, AR_PHY_RF_CTL4, SM(pModal->txEndToXpaOff, AR_PHY_RF_CTL4_TX_END_XPAA_OFF) | SM(pModal->txEndToXpaOff, AR_PHY_RF_CTL4_TX_END_XPAB_OFF) | SM(pModal->txFrameToXpaOn, AR_PHY_RF_CTL4_FRAME_XPAA_ON) | SM(pModal->txFrameToXpaOn, AR_PHY_RF_CTL4_FRAME_XPAB_ON)); REG_RMW_FIELD(ah, AR_PHY_RF_CTL3, AR_PHY_TX_END_TO_A2_RX_ON, pModal->txEndToRxOn); if (AR_SREV_9271_10(ah)) REG_RMW_FIELD(ah, AR_PHY_RF_CTL3, AR_PHY_TX_END_TO_A2_RX_ON, pModal->txEndToRxOn); REG_RMW_FIELD(ah, AR_PHY_CCA, AR9280_PHY_CCA_THRESH62, pModal->thresh62); REG_RMW_FIELD(ah, AR_PHY_EXT_CCA0, AR_PHY_EXT_CCA0_THRESH62, pModal->thresh62); if ((eep->baseEepHeader.version & AR5416_EEP_VER_MINOR_MASK) >= AR5416_EEP_MINOR_VER_2) { REG_RMW_FIELD(ah, AR_PHY_RF_CTL2, AR_PHY_TX_END_DATA_START, pModal->txFrameToDataStart); REG_RMW_FIELD(ah, AR_PHY_RF_CTL2, AR_PHY_TX_END_PA_ON, pModal->txFrameToPaOn); } if ((eep->baseEepHeader.version & AR5416_EEP_VER_MINOR_MASK) >= AR5416_EEP_MINOR_VER_3) { if (IS_CHAN_HT40(chan)) REG_RMW_FIELD(ah, AR_PHY_SETTLING, AR_PHY_SETTLING_SWITCH, pModal->swSettleHt40); } } static u16 ath9k_hw_4k_get_eeprom_antenna_cfg(struct ath_hw *ah, struct ath9k_channel *chan) { struct ar5416_eeprom_4k *eep = &ah->eeprom.map4k; struct modal_eep_4k_header *pModal = &eep->modalHeader; return pModal->antCtrlCommon & 0xFFFF; } static u8 ath9k_hw_4k_get_num_ant_config(struct ath_hw *ah, enum ieee80211_band freq_band) { return 1; } static u16 ath9k_hw_4k_get_spur_channel(struct ath_hw *ah, u16 i, bool is2GHz) { #define EEP_MAP4K_SPURCHAN \ (ah->eeprom.map4k.modalHeader.spurChans[i].spurChan) struct ath_common *common = ath9k_hw_common(ah); u16 spur_val = AR_NO_SPUR; ath_print(common, ATH_DBG_ANI, "Getting spur idx %d is2Ghz. %d val %x\n", i, is2GHz, ah->config.spurchans[i][is2GHz]); switch (ah->config.spurmode) { case SPUR_DISABLE: break; case SPUR_ENABLE_IOCTL: spur_val = ah->config.spurchans[i][is2GHz]; ath_print(common, ATH_DBG_ANI, "Getting spur val from new loc. %d\n", spur_val); break; case SPUR_ENABLE_EEPROM: spur_val = EEP_MAP4K_SPURCHAN; break; } return spur_val; #undef EEP_MAP4K_SPURCHAN } const struct eeprom_ops eep_4k_ops = { .check_eeprom = ath9k_hw_4k_check_eeprom, .get_eeprom = ath9k_hw_4k_get_eeprom, .fill_eeprom = ath9k_hw_4k_fill_eeprom, .get_eeprom_ver = ath9k_hw_4k_get_eeprom_ver, .get_eeprom_rev = ath9k_hw_4k_get_eeprom_rev, .get_num_ant_config = ath9k_hw_4k_get_num_ant_config, .get_eeprom_antenna_cfg = ath9k_hw_4k_get_eeprom_antenna_cfg, .set_board_values = ath9k_hw_4k_set_board_values, .set_addac = ath9k_hw_4k_set_addac, .set_txpower = ath9k_hw_4k_set_txpower, .get_spur_channel = ath9k_hw_4k_get_spur_channel };