From 8bd1d07f9345750bd4d767e6c1600919672f98ba Mon Sep 17 00:00:00 2001 From: Senthil Balasubramanian Date: Thu, 12 Feb 2009 13:57:03 +0530 Subject: [PATCH] ath9k: Add open loop control support This patch adds Open Loop Control support for Atheros chipsets that supports open loop power control. Signed-off-by: Senthil Balasubramanian Signed-off-by: John W. Linville --- drivers/net/wireless/ath9k/calib.c | 31 ++++ drivers/net/wireless/ath9k/eeprom.c | 210 +++++++++++++++++++++++----- drivers/net/wireless/ath9k/eeprom.h | 13 +- drivers/net/wireless/ath9k/hw.c | 26 +++- drivers/net/wireless/ath9k/hw.h | 7 +- drivers/net/wireless/ath9k/phy.h | 25 ++++ drivers/net/wireless/ath9k/rc.c | 4 +- 7 files changed, 277 insertions(+), 39 deletions(-) diff --git a/drivers/net/wireless/ath9k/calib.c b/drivers/net/wireless/ath9k/calib.c index a7ce8c5d48f..e5abe6564ca 100644 --- a/drivers/net/wireless/ath9k/calib.c +++ b/drivers/net/wireless/ath9k/calib.c @@ -718,10 +718,39 @@ s16 ath9k_hw_getchan_noise(struct ath_hw *ah, struct ath9k_channel *chan) return nf; } +static void ath9k_olc_temp_compensation(struct ath_hw *ah) +{ + u32 rddata, i; + int delta, currPDADC, regval; + + rddata = REG_READ(ah, AR_PHY_TX_PWRCTRL4); + + currPDADC = MS(rddata, AR_PHY_TX_PWRCTRL_PD_AVG_OUT); + + if (ah->eep_ops->get_eeprom(ah, EEP_DAC_HPWR_5G)) + delta = (currPDADC - ah->initPDADC + 4) / 8; + else + delta = (currPDADC - ah->initPDADC + 5) / 10; + + if (delta != ah->PDADCdelta) { + ah->PDADCdelta = delta; + for (i = 1; i < AR9280_TX_GAIN_TABLE_SIZE; i++) { + regval = ah->originalGain[i] - delta; + if (regval < 0) + regval = 0; + + REG_RMW_FIELD(ah, AR_PHY_TX_GAIN_TBL1 + i * 4, + AR_PHY_TX_GAIN, regval); + } + } +} + bool ath9k_hw_calibrate(struct ath_hw *ah, struct ath9k_channel *chan, u8 rxchainmask, bool longcal, bool *isCalDone) { +#define OLC_FOR_AR9280_20_LATER (AR_SREV_9280_20_OR_LATER(ah) && \ + ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL)) struct hal_cal_list *currCal = ah->cal_list_curr; *isCalDone = true; @@ -742,6 +771,8 @@ bool ath9k_hw_calibrate(struct ath_hw *ah, struct ath9k_channel *chan, } if (longcal) { + if (OLC_FOR_AR9280_20_LATER) + ath9k_olc_temp_compensation(ah); ath9k_hw_getnf(ah, chan); ath9k_hw_loadnf(ah, ah->curchan); ath9k_hw_start_nfcal(ah); diff --git a/drivers/net/wireless/ath9k/eeprom.c b/drivers/net/wireless/ath9k/eeprom.c index b6f9c31ddfc..fff7a1b6fbf 100644 --- a/drivers/net/wireless/ath9k/eeprom.c +++ b/drivers/net/wireless/ath9k/eeprom.c @@ -179,6 +179,69 @@ static void ath9k_hw_get_legacy_target_powers(struct ath_hw *ah, } } +static void ath9k_get_txgain_index(struct ath_hw *ah, + struct ath9k_channel *chan, + struct calDataPerFreqOpLoop *rawDatasetOpLoop, + u8 *calChans, u16 availPiers, u8 *pwr, u8 *pcdacIdx) +{ + u8 pcdac, i = 0; + u16 idxL = 0, idxR = 0, numPiers; + bool match; + struct chan_centers centers; + + ath9k_hw_get_channel_centers(ah, chan, ¢ers); + + for (numPiers = 0; numPiers < availPiers; numPiers++) + if (calChans[numPiers] == AR5416_BCHAN_UNUSED) + break; + + match = ath9k_hw_get_lower_upper_index( + (u8)FREQ2FBIN(centers.synth_center, IS_CHAN_2GHZ(chan)), + calChans, numPiers, &idxL, &idxR); + if (match) { + pcdac = rawDatasetOpLoop[idxL].pcdac[0][0]; + *pwr = rawDatasetOpLoop[idxL].pwrPdg[0][0]; + } else { + pcdac = rawDatasetOpLoop[idxR].pcdac[0][0]; + *pwr = (rawDatasetOpLoop[idxL].pwrPdg[0][0] + + rawDatasetOpLoop[idxR].pwrPdg[0][0])/2; + } + + while (pcdac > ah->originalGain[i] && + i < (AR9280_TX_GAIN_TABLE_SIZE - 1)) + i++; + + *pcdacIdx = i; + return; +} + +static void ath9k_olc_get_pdadcs(struct ath_hw *ah, + u32 initTxGain, + int txPower, + u8 *pPDADCValues) +{ + u32 i; + u32 offset; + + REG_RMW_FIELD(ah, AR_PHY_TX_PWRCTRL6_0, + AR_PHY_TX_PWRCTRL_ERR_EST_MODE, 3); + REG_RMW_FIELD(ah, AR_PHY_TX_PWRCTRL6_1, + AR_PHY_TX_PWRCTRL_ERR_EST_MODE, 3); + + REG_RMW_FIELD(ah, AR_PHY_TX_PWRCTRL7, + AR_PHY_TX_PWRCTRL_INIT_TX_GAIN, initTxGain); + + offset = txPower; + for (i = 0; i < AR5416_NUM_PDADC_VALUES; i++) + if (i < offset) + pPDADCValues[i] = 0x0; + else + pPDADCValues[i] = 0xFF; +} + + + + static void ath9k_hw_get_target_powers(struct ath_hw *ah, struct ath9k_channel *chan, struct cal_target_power_ht *powInfo, @@ -1596,6 +1659,16 @@ static u32 ath9k_hw_def_get_eeprom(struct ath_hw *ah, return pBase->rxGainType; case EEP_TXGAIN_TYPE: return pBase->txGainType; + case EEP_OL_PWRCTRL: + if (AR5416_VER_MASK >= AR5416_EEP_MINOR_VER_19) + return pBase->openLoopPwrCntl ? true : false; + else + return false; + case EEP_RC_CHAIN_MASK: + if (AR5416_VER_MASK >= AR5416_EEP_MINOR_VER_19) + return pBase->rcChainMask; + else + return 0; case EEP_DAC_HPWR_5G: if (AR5416_VER_MASK >= AR5416_EEP_MINOR_VER_20) return pBase->dacHiPwrMode_5G; @@ -1839,8 +1912,15 @@ static bool ath9k_hw_def_set_board_values(struct ath_hw *ah, pModal->swSettleHt40); } + if (AR_SREV_9280_20_OR_LATER(ah) && + AR5416_VER_MASK >= AR5416_EEP_MINOR_VER_19) + REG_RMW_FIELD(ah, AR_PHY_CCK_TX_CTRL, + AR_PHY_CCK_TX_CTRL_TX_DAC_SCALE_CCK, + pModal->miscBits); + + if (AR_SREV_9280_20(ah) && AR5416_VER_MASK >= AR5416_EEP_MINOR_VER_20) { - if (IS_CHAN_HT20(chan)) + if (IS_CHAN_2GHZ(chan)) REG_RMW_FIELD(ah, AR_AN_TOP1, AR_AN_TOP1_DACIPMODE, eep->baseEepHeader.dacLpMode); else if (eep->baseEepHeader.dacHiPwrMode_5G) @@ -1851,6 +1931,10 @@ static bool ath9k_hw_def_set_board_values(struct ath_hw *ah, REG_RMW_FIELD(ah, AR_PHY_FRAME_CTL, AR_PHY_FRAME_CTL_TX_CLIP, pModal->miscBits >> 2); + + REG_RMW_FIELD(ah, AR_PHY_TX_PWRCTRL9, + AR_PHY_TX_DESIRED_SCALE_CCK, + eep->baseEepHeader.desiredScaleCCK); } return true; @@ -2080,6 +2164,12 @@ static bool ath9k_hw_set_def_power_cal_table(struct ath_hw *ah, struct ath9k_channel *chan, int16_t *pTxPowerIndexOffset) { +#define OLC_FOR_AR9280_20_LATER (AR_SREV_9280_20_OR_LATER(ah) && \ + ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL)) +#define SM_PD_GAIN(x) SM(0x38, AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_##x) +#define SM_PDGAIN_B(x, y) \ + SM((gainBoundaries[x]), AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_##y) + struct ar5416_eeprom_def *pEepData = &ah->eeprom.def; struct cal_data_per_freq *pRawDataset; u8 *pCalBChans = NULL; @@ -2113,6 +2203,12 @@ static bool ath9k_hw_set_def_power_cal_table(struct ath_hw *ah, numPiers = AR5416_NUM_5G_CAL_PIERS; } + if (OLC_FOR_AR9280_20_LATER && IS_CHAN_2GHZ(chan)) { + pRawDataset = pEepData->calPierData2G[0]; + ah->initPDADC = ((struct calDataPerFreqOpLoop *) + pRawDataset)->vpdPdg[0][0]; + } + numXpdGain = 0; for (i = 1; i <= AR5416_PD_GAINS_IN_MASK; i++) { @@ -2148,25 +2244,45 @@ static bool ath9k_hw_set_def_power_cal_table(struct ath_hw *ah, else pRawDataset = pEepData->calPierData5G[i]; - ath9k_hw_get_def_gain_boundaries_pdadcs(ah, chan, - pRawDataset, pCalBChans, - numPiers, pdGainOverlap_t2, - &tMinCalPower, gainBoundaries, - pdadcValues, numXpdGain); + + if (OLC_FOR_AR9280_20_LATER) { + u8 pcdacIdx; + u8 txPower; + + ath9k_get_txgain_index(ah, chan, + (struct calDataPerFreqOpLoop *)pRawDataset, + pCalBChans, numPiers, &txPower, &pcdacIdx); + ath9k_olc_get_pdadcs(ah, pcdacIdx, + txPower/2, pdadcValues); + } else { + ath9k_hw_get_def_gain_boundaries_pdadcs(ah, + chan, pRawDataset, + pCalBChans, numPiers, + pdGainOverlap_t2, + &tMinCalPower, + gainBoundaries, + pdadcValues, + numXpdGain); + } if ((i == 0) || AR_SREV_5416_V20_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)); + if (OLC_FOR_AR9280_20_LATER) { + REG_WRITE(ah, + AR_PHY_TPCRG5 + regChainOffset, + SM(0x6, + AR_PHY_TPCRG5_PD_GAIN_OVERLAP) | + SM_PD_GAIN(1) | SM_PD_GAIN(2) | + SM_PD_GAIN(3) | SM_PD_GAIN(4)); + } else { + REG_WRITE(ah, + AR_PHY_TPCRG5 + regChainOffset, + SM(pdGainOverlap_t2, + AR_PHY_TPCRG5_PD_GAIN_OVERLAP)| + SM_PDGAIN_B(0, 1) | + SM_PDGAIN_B(1, 2) | + SM_PDGAIN_B(2, 3) | + SM_PDGAIN_B(3, 4)); + } } regOffset = AR_PHY_BASE + (672 << 2) + regChainOffset; @@ -2200,6 +2316,8 @@ static bool ath9k_hw_set_def_power_cal_table(struct ath_hw *ah, *pTxPowerIndexOffset = 0; return true; +#undef SM_PD_GAIN +#undef SM_PDGAIN_B } static bool ath9k_hw_set_def_power_per_rate_table(struct ath_hw *ah, @@ -2500,13 +2618,14 @@ static int ath9k_hw_def_set_txpower(struct ath_hw *ah, u8 twiceMaxRegulatoryPower, u8 powerLimit) { +#define RT_AR_DELTA(x) (ratesArray[x] - cck_ofdm_delta) struct ar5416_eeprom_def *pEepData = &ah->eeprom.def; struct modal_eep_header *pModal = &(pEepData->modalHeader[IS_CHAN_2GHZ(chan)]); int16_t ratesArray[Ar5416RateSize]; int16_t txPowerIndexOffset = 0; u8 ht40PowerIncForPdadc = 2; - int i; + int i, cck_ofdm_delta = 0; memset(ratesArray, 0, sizeof(ratesArray)); @@ -2555,16 +2674,30 @@ static int ath9k_hw_def_set_txpower(struct ath_hw *ah, | ATH9K_POW_SM(ratesArray[rate24mb], 0)); if (IS_CHAN_2GHZ(chan)) { - 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)); + if (OLC_FOR_AR9280_20_LATER) { + cck_ofdm_delta = 2; + REG_WRITE(ah, AR_PHY_POWER_TX_RATE3, + ATH9K_POW_SM(RT_AR_DELTA(rate2s), 24) + | ATH9K_POW_SM(RT_AR_DELTA(rate2l), 16) + | ATH9K_POW_SM(ratesArray[rateXr], 8) + | ATH9K_POW_SM(RT_AR_DELTA(rate1l), 0)); + REG_WRITE(ah, AR_PHY_POWER_TX_RATE4, + ATH9K_POW_SM(RT_AR_DELTA(rate11s), 24) + | ATH9K_POW_SM(RT_AR_DELTA(rate11l), 16) + | ATH9K_POW_SM(RT_AR_DELTA(rate5_5s), 8) + | ATH9K_POW_SM(RT_AR_DELTA(rate5_5l), 0)); + } else { + 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)); + } } REG_WRITE(ah, AR_PHY_POWER_TX_RATE5, @@ -2597,12 +2730,19 @@ static int ath9k_hw_def_set_txpower(struct ath_hw *ah, 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)); + if (OLC_FOR_AR9280_20_LATER) { + REG_WRITE(ah, AR_PHY_POWER_TX_RATE9, + ATH9K_POW_SM(ratesArray[rateExtOfdm], 24) + | ATH9K_POW_SM(RT_AR_DELTA(rateExtCck), 16) + | ATH9K_POW_SM(ratesArray[rateDupOfdm], 8) + | ATH9K_POW_SM(RT_AR_DELTA(rateDupCck), 0)); + } else { + 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)); + } } REG_WRITE(ah, AR_PHY_POWER_TX_SUB, diff --git a/drivers/net/wireless/ath9k/eeprom.h b/drivers/net/wireless/ath9k/eeprom.h index 60cb23de97c..2cfea5d56d1 100644 --- a/drivers/net/wireless/ath9k/eeprom.h +++ b/drivers/net/wireless/ath9k/eeprom.h @@ -168,6 +168,8 @@ #define AR5416_EEP4K_PD_GAIN_ICEPTS 5 #define AR5416_EEP4K_MAX_CHAINS 1 +#define AR9280_TX_GAIN_TABLE_SIZE 22 + enum eeprom_param { EEP_NFTHRESH_5, EEP_NFTHRESH_2, @@ -188,6 +190,8 @@ enum eeprom_param { EEP_RX_MASK, EEP_RXGAIN_TYPE, EEP_TXGAIN_TYPE, + EEP_OL_PWRCTRL, + EEP_RC_CHAIN_MASK, EEP_DAC_HPWR_5G, EEP_FRAC_N_5G }; @@ -229,7 +233,7 @@ struct base_eep_header { u8 futureBase_1[2]; u8 rxGainType; u8 dacHiPwrMode_5G; - u8 futureBase_2; + u8 openLoopPwrCntl; u8 dacLpMode; u8 txGainType; u8 rcChainMask; @@ -310,6 +314,13 @@ struct modal_eep_header { struct spur_chan spurChans[AR5416_EEPROM_MODAL_SPURS]; } __packed; +struct calDataPerFreqOpLoop { + u8 pwrPdg[2][5]; + u8 vpdPdg[2][5]; + u8 pcdac[2][5]; + u8 empty[2][5]; +} __packed; + struct modal_eep_4k_header { u32 antCtrlChain[AR5416_EEP4K_MAX_CHAINS]; u32 antCtrlCommon; diff --git a/drivers/net/wireless/ath9k/hw.c b/drivers/net/wireless/ath9k/hw.c index 4af1aac1678..e33c53fb6b7 100644 --- a/drivers/net/wireless/ath9k/hw.c +++ b/drivers/net/wireless/ath9k/hw.c @@ -1202,10 +1202,23 @@ static u32 ath9k_hw_ini_fixup(struct ath_hw *ah, return ath9k_hw_def_ini_fixup(ah, pEepData, reg, value); } +static void ath9k_olc_init(struct ath_hw *ah) +{ + u32 i; + + for (i = 0; i < AR9280_TX_GAIN_TABLE_SIZE; i++) + ah->originalGain[i] = + MS(REG_READ(ah, AR_PHY_TX_GAIN_TBL1 + i * 4), + AR_PHY_TX_GAIN); + ah->PDADCdelta = 0; +} + static int ath9k_hw_process_ini(struct ath_hw *ah, struct ath9k_channel *chan, enum ath9k_ht_macmode macmode) { +#define OLC_FOR_AR9280_20_LATER (AR_SREV_9280_20_OR_LATER(ah) && \ + ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL)) int i, regWrites = 0; struct ieee80211_channel *channel = chan->chan; u32 modesIndex, freqIndex; @@ -1308,6 +1321,9 @@ static int ath9k_hw_process_ini(struct ath_hw *ah, ath9k_hw_set_regs(ah, chan, macmode); ath9k_hw_init_chain_masks(ah); + if (OLC_FOR_AR9280_20_LATER) + ath9k_olc_init(ah); + status = ah->eep_ops->set_txpower(ah, chan, ath9k_regd_get_ctl(ah, chan), channel->max_antenna_gain * 2, @@ -1515,6 +1531,7 @@ static bool ath9k_hw_set_reset_power_on(struct ath_hw *ah) AR_RTC_FORCE_WAKE_ON_INT); REG_WRITE(ah, AR_RTC_RESET, 0); + udelay(2); REG_WRITE(ah, AR_RTC_RESET, 1); if (!ath9k_hw_wait(ah, @@ -1582,7 +1599,10 @@ static void ath9k_hw_set_regs(struct ath_hw *ah, struct ath9k_channel *chan, static bool ath9k_hw_chip_reset(struct ath_hw *ah, struct ath9k_channel *chan) { - if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_WARM)) + if (OLC_FOR_AR9280_20_LATER) { + if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_POWER_ON)) + return false; + } else if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_WARM)) return false; if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE)) @@ -3404,6 +3424,10 @@ bool ath9k_hw_getcapability(struct ath_hw *ah, enum ath9k_capability_type type, return 0; } return false; + case ATH9K_CAP_DS: + return (AR_SREV_9280_20_OR_LATER(ah) && + (ah->eep_ops->get_eeprom(ah, EEP_RC_CHAIN_MASK) == 1)) + ? false : true; default: return false; } diff --git a/drivers/net/wireless/ath9k/hw.h b/drivers/net/wireless/ath9k/hw.h index 587a78db748..08469d9525b 100644 --- a/drivers/net/wireless/ath9k/hw.h +++ b/drivers/net/wireless/ath9k/hw.h @@ -162,7 +162,8 @@ enum ath9k_capability_type { ATH9K_CAP_WME_TKIPMIC, ATH9K_CAP_RFSILENT, ATH9K_CAP_ANT_CFG_2GHZ, - ATH9K_CAP_ANT_CFG_5GHZ + ATH9K_CAP_ANT_CFG_5GHZ, + ATH9K_CAP_DS }; struct ath9k_hw_capabilities { @@ -551,6 +552,10 @@ struct ath_hw { u8 txchainmask; u8 rxchainmask; + u32 originalGain[22]; + int initPDADC; + int PDADCdelta; + struct ar5416IniArray iniModes; struct ar5416IniArray iniCommon; struct ar5416IniArray iniBank0; diff --git a/drivers/net/wireless/ath9k/phy.h b/drivers/net/wireless/ath9k/phy.h index 4758c37e4b8..3dbdd54be4e 100644 --- a/drivers/net/wireless/ath9k/phy.h +++ b/drivers/net/wireless/ath9k/phy.h @@ -387,6 +387,8 @@ bool ath9k_hw_init_rf(struct ath_hw *ah, #define AR_PHY_CCK_TX_CTRL 0xA204 #define AR_PHY_CCK_TX_CTRL_JAPAN 0x00000010 +#define AR_PHY_CCK_TX_CTRL_TX_DAC_SCALE_CCK 0x0000000C +#define AR_PHY_CCK_TX_CTRL_TX_DAC_SCALE_CCK_S 2 #define AR_PHY_CCK_DETECT 0xA208 #define AR_PHY_CCK_DETECT_WEAK_SIG_THR_CCK 0x0000003F @@ -444,6 +446,29 @@ bool ath9k_hw_init_rf(struct ath_hw *ah, #define AR_PHY_TPCRG1_PD_GAIN_3 0x00300000 #define AR_PHY_TPCRG1_PD_GAIN_3_S 20 +#define AR_PHY_TX_PWRCTRL4 0xa264 +#define AR_PHY_TX_PWRCTRL_PD_AVG_VALID 0x00000001 +#define AR_PHY_TX_PWRCTRL_PD_AVG_VALID_S 0 +#define AR_PHY_TX_PWRCTRL_PD_AVG_OUT 0x000001FE +#define AR_PHY_TX_PWRCTRL_PD_AVG_OUT_S 1 + +#define AR_PHY_TX_PWRCTRL6_0 0xa270 +#define AR_PHY_TX_PWRCTRL6_1 0xb270 +#define AR_PHY_TX_PWRCTRL_ERR_EST_MODE 0x03000000 +#define AR_PHY_TX_PWRCTRL_ERR_EST_MODE_S 24 + +#define AR_PHY_TX_PWRCTRL7 0xa274 +#define AR_PHY_TX_PWRCTRL_INIT_TX_GAIN 0x01F80000 +#define AR_PHY_TX_PWRCTRL_INIT_TX_GAIN_S 19 + +#define AR_PHY_TX_PWRCTRL9 0xa27C +#define AR_PHY_TX_DESIRED_SCALE_CCK 0x00007C00 +#define AR_PHY_TX_DESIRED_SCALE_CCK_S 10 + +#define AR_PHY_TX_GAIN_TBL1 0xa300 +#define AR_PHY_TX_GAIN 0x0007F000 +#define AR_PHY_TX_GAIN_S 12 + #define AR_PHY_VIT_MASK2_M_46_61 0xa3a0 #define AR_PHY_MASK2_M_31_45 0xa3a4 #define AR_PHY_MASK2_M_16_30 0xa3a8 diff --git a/drivers/net/wireless/ath9k/rc.c b/drivers/net/wireless/ath9k/rc.c index a4e86319176..6b4731c2473 100644 --- a/drivers/net/wireless/ath9k/rc.c +++ b/drivers/net/wireless/ath9k/rc.c @@ -1392,6 +1392,7 @@ static void ath_rc_init(struct ath_softc *sc, struct ath_rateset *rateset = &ath_rc_priv->neg_rates; u8 *ht_mcs = (u8 *)&ath_rc_priv->neg_ht_rates; u8 i, j, k, hi = 0, hthi = 0; + struct ath_hw *ah = sc->sc_ah; /* FIXME: Adhoc */ if ((sc->sc_ah->opmode == NL80211_IFTYPE_STATION) || @@ -1412,7 +1413,8 @@ static void ath_rc_init(struct ath_softc *sc, if (sta->ht_cap.ht_supported) { ath_rc_priv->ht_cap = WLAN_RC_HT_FLAG; - if (sc->sc_ah->caps.tx_chainmask != 1) + if (sc->sc_ah->caps.tx_chainmask != 1 && + ath9k_hw_getcapability(ah, ATH9K_CAP_DS, 0, NULL)) ath_rc_priv->ht_cap |= WLAN_RC_DS_FLAG; if (sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) ath_rc_priv->ht_cap |= WLAN_RC_40_FLAG; -- 2.41.1