From a55f858852e4345d0a31af593c46738ca8614bff Mon Sep 17 00:00:00 2001 From: Sujith Date: Tue, 1 Jun 2010 15:14:07 +0530 Subject: ath9k_hw: Cleanup TX power calculation for AR9287 * Add a few comments, and move the updation of max_power_level to a helper routine. This is also done by non-4K based chipsets, this will be fixed in a separate patch. * Remove two WARs which are required for old AR5416 chipsets, and are not needed for AR9287. * Fix indentation and make things readable. Signed-off-by: Sujith Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/eeprom_9287.c | 287 ++++++++++++++------------- 1 file changed, 146 insertions(+), 141 deletions(-) (limited to 'drivers/net/wireless/ath/ath9k/eeprom_9287.c') diff --git a/drivers/net/wireless/ath/ath9k/eeprom_9287.c b/drivers/net/wireless/ath/ath9k/eeprom_9287.c index 27abfba..5f3b20b 100644 --- a/drivers/net/wireless/ath/ath9k/eeprom_9287.c +++ b/drivers/net/wireless/ath/ath9k/eeprom_9287.c @@ -317,21 +317,18 @@ static void ath9k_hw_get_ar9287_gain_boundaries_pdadcs(struct ath_hw *ah, pPdGainBoundaries[i]); - if ((i == 0) && !AR_SREV_5416_20_OR_LATER(ah)) { - minDelta = pPdGainBoundaries[0] - 23; - pPdGainBoundaries[0] = 23; - } else - minDelta = 0; + minDelta = 0; if (i == 0) { if (AR_SREV_9280_10_OR_LATER(ah)) ss = (int16_t)(0 - (minPwrT4[i] / 2)); else ss = 0; - } else + } 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); @@ -396,8 +393,8 @@ static void ar9287_eeprom_get_tx_gain_index(struct ath_hw *ah, } match = ath9k_hw_get_lower_upper_index( - (u8)FREQ2FBIN(centers.synth_center, IS_CHAN_2GHZ(chan)), - pCalChans, numPiers, &idxL, &idxR); + (u8)FREQ2FBIN(centers.synth_center, IS_CHAN_2GHZ(chan)), + pCalChans, numPiers, &idxL, &idxR); if (match) { *pPwr = (int8_t) pRawDatasetOpLoop[idxL].pwrPdg[0][0]; @@ -463,7 +460,7 @@ static void ath9k_hw_set_ar9287_power_cal_table(struct ath_hw *ah, int16_t tMinCalPower; u16 numXpdGain, xpdMask; u16 xpdGainValues[AR9287_NUM_PD_GAINS] = {0, 0, 0, 0}; - u32 reg32, regOffset, regChainOffset; + u32 reg32, regOffset, regChainOffset, regval; int16_t modalIdx, diff = 0; struct ar9287_eeprom *pEepData = &ah->eeprom.map9287; @@ -471,7 +468,7 @@ static void ath9k_hw_set_ar9287_power_cal_table(struct ath_hw *ah, xpdMask = pEepData->modalHeader.xpdGain; if ((pEepData->baseEepHeader.version & AR9287_EEP_VER_MINOR_MASK) >= - AR9287_EEP_MINOR_VER_2) + AR9287_EEP_MINOR_VER_2) pdGainOverlap_t2 = pEepData->modalHeader.pdGainOverlap; else pdGainOverlap_t2 = (u16)(MS(REG_READ(ah, AR_PHY_TPCRG5), @@ -482,14 +479,14 @@ static void ath9k_hw_set_ar9287_power_cal_table(struct ath_hw *ah, numPiers = AR9287_NUM_2G_CAL_PIERS; if (ath9k_hw_ar9287_get_eeprom(ah, EEP_OL_PWRCTRL)) { pRawDatasetOpenLoop = - (struct cal_data_op_loop_ar9287 *) - pEepData->calPierData2G[0]; + (struct cal_data_op_loop_ar9287 *)pEepData->calPierData2G[0]; ah->initPDADC = pRawDatasetOpenLoop->vpdPdg[0][0]; } } numXpdGain = 0; + /* Calculate the value of xpdgains from the xpdGain Mask */ for (i = 1; i <= AR9287_PD_GAINS_IN_MASK; i++) { if ((xpdMask >> (AR9287_PD_GAINS_IN_MASK - i)) & 1) { if (numXpdGain >= AR9287_NUM_PD_GAINS) @@ -511,77 +508,79 @@ static void ath9k_hw_set_ar9287_power_cal_table(struct ath_hw *ah, for (i = 0; i < AR9287_MAX_CHAINS; i++) { regChainOffset = i * 0x1000; + if (pEepData->baseEepHeader.txMask & (1 << i)) { - pRawDatasetOpenLoop = (struct cal_data_op_loop_ar9287 *) - pEepData->calPierData2G[i]; + pRawDatasetOpenLoop = + (struct cal_data_op_loop_ar9287 *)pEepData->calPierData2G[i]; + if (ath9k_hw_ar9287_get_eeprom(ah, EEP_OL_PWRCTRL)) { int8_t txPower; ar9287_eeprom_get_tx_gain_index(ah, chan, - pRawDatasetOpenLoop, - pCalBChans, numPiers, - &txPower); + pRawDatasetOpenLoop, + pCalBChans, numPiers, + &txPower); ar9287_eeprom_olpc_set_pdadcs(ah, txPower, i); } else { pRawDataset = (struct cal_data_per_freq_ar9287 *) pEepData->calPierData2G[i]; - ath9k_hw_get_ar9287_gain_boundaries_pdadcs( - ah, chan, pRawDataset, - pCalBChans, numPiers, - pdGainOverlap_t2, - &tMinCalPower, gainBoundaries, - pdadcValues, numXpdGain); + + ath9k_hw_get_ar9287_gain_boundaries_pdadcs(ah, chan, + pRawDataset, + pCalBChans, numPiers, + pdGainOverlap_t2, + &tMinCalPower, + gainBoundaries, + pdadcValues, + numXpdGain); } if (i == 0) { - if (!ath9k_hw_ar9287_get_eeprom( - ah, EEP_OL_PWRCTRL)) { - 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 (!ath9k_hw_ar9287_get_eeprom(ah, + EEP_OL_PWRCTRL)) { + + regval = 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); + + REG_WRITE(ah, + AR_PHY_TPCRG5 + regChainOffset, + regval); } } if ((int32_t)AR9287_PWR_TABLE_OFFSET_DB != - pEepData->baseEepHeader.pwrTableOffset) { - diff = (u16) - (pEepData->baseEepHeader.pwrTableOffset - - (int32_t)AR9287_PWR_TABLE_OFFSET_DB); + pEepData->baseEepHeader.pwrTableOffset) { + diff = (u16)(pEepData->baseEepHeader.pwrTableOffset - + (int32_t)AR9287_PWR_TABLE_OFFSET_DB); diff *= 2; - for (j = 0; - j < ((u16)AR9287_NUM_PDADC_VALUES-diff); - j++) + for (j = 0; j < ((u16)AR9287_NUM_PDADC_VALUES-diff); j++) pdadcValues[j] = pdadcValues[j+diff]; for (j = (u16)(AR9287_NUM_PDADC_VALUES-diff); j < AR9287_NUM_PDADC_VALUES; j++) pdadcValues[j] = - pdadcValues[ - AR9287_NUM_PDADC_VALUES-diff]; + pdadcValues[AR9287_NUM_PDADC_VALUES-diff]; } if (!ath9k_hw_ar9287_get_eeprom(ah, EEP_OL_PWRCTRL)) { - regOffset = AR_PHY_BASE + (672 << 2) + - regChainOffset; + 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) ; + 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); regOffset += 4; } @@ -600,6 +599,14 @@ static void ath9k_hw_set_ar9287_power_per_rate_table(struct ath_hw *ah, u16 twiceMaxRegulatoryPower, u16 powerLimit) { +#define CMP_CTL \ + (((cfgCtl & ~CTL_MODE_M) | (pCtlMode[ctlMode] & CTL_MODE_M)) == \ + pEepData->ctlIndex[i]) + +#define CMP_NO_CTL \ + (((cfgCtl & ~CTL_MODE_M) | (pCtlMode[ctlMode] & CTL_MODE_M)) == \ + ((pEepData->ctlIndex[i] & CTL_MODE_M) | SD_NO_CTL)) + #define REDUCE_SCALED_POWER_BY_TWO_CHAIN 6 #define REDUCE_SCALED_POWER_BY_THREE_CHAIN 10 @@ -617,9 +624,12 @@ static void ath9k_hw_set_ar9287_power_per_rate_table(struct ath_hw *ah, struct cal_target_power_ht targetPowerHt20, targetPowerHt40 = {0, {0, 0, 0, 0} }; u16 scaledPower = 0, minCtlPower, maxRegAllowedPower; - u16 ctlModesFor11g[] = - {CTL_11B, CTL_11G, CTL_2GHT20, - CTL_11B_EXT, CTL_11G_EXT, CTL_2GHT40}; + u16 ctlModesFor11g[] = {CTL_11B, + CTL_11G, + CTL_2GHT20, + CTL_11B_EXT, + CTL_11G_EXT, + CTL_2GHT40}; u16 numCtlModes = 0, *pCtlMode = NULL, ctlMode, freq; struct chan_centers centers; int tx_chainmask; @@ -629,19 +639,28 @@ static void ath9k_hw_set_ar9287_power_per_rate_table(struct ath_hw *ah, ath9k_hw_get_channel_centers(ah, chan, ¢ers); + /* Compute TxPower reduction due to Antenna Gain */ twiceLargestAntenna = max(pEepData->modalHeader.antennaGainCh[0], pEepData->modalHeader.antennaGainCh[1]); - twiceLargestAntenna = (int16_t)min((AntennaReduction) - twiceLargestAntenna, 0); + /* + * scaledPower is the minimum of the user input power level + * and the regulatory allowed power level. + */ maxRegAllowedPower = twiceMaxRegulatoryPower + twiceLargestAntenna; + if (regulatory->tp_scale != ATH9K_TP_SCALE_MAX) maxRegAllowedPower -= (tpScaleReductionTable[(regulatory->tp_scale)] * 2); scaledPower = min(powerLimit, maxRegAllowedPower); + /* + * Reduce scaled Power by number of chains active + * to get the per chain tx power level. + */ switch (ar5416_get_ntxchains(tx_chainmask)) { case 1: break; @@ -654,7 +673,11 @@ static void ath9k_hw_set_ar9287_power_per_rate_table(struct ath_hw *ah, } scaledPower = max((u16)0, scaledPower); + /* + * Get TX power from EEPROM. + */ if (IS_CHAN_2GHZ(chan)) { + /* CTL_11B, CTL_11G, CTL_2GHT20 */ numCtlModes = ARRAY_SIZE(ctlModesFor11g) - SUB_NUM_CTL_MODES_AT_2G_40; @@ -674,6 +697,7 @@ static void ath9k_hw_set_ar9287_power_per_rate_table(struct ath_hw *ah, &targetPowerHt20, 8, false); if (IS_CHAN_HT40(chan)) { + /* All 2G CTLs */ numCtlModes = ARRAY_SIZE(ctlModesFor11g); ath9k_hw_get_target_powers(ah, chan, pEepData->calTargetPower2GHT40, @@ -691,8 +715,9 @@ static void ath9k_hw_set_ar9287_power_per_rate_table(struct ath_hw *ah, } for (ctlMode = 0; ctlMode < numCtlModes; ctlMode++) { - bool isHt40CtlMode = (pCtlMode[ctlMode] == CTL_5GHT40) || - (pCtlMode[ctlMode] == CTL_2GHT40); + bool isHt40CtlMode = + (pCtlMode[ctlMode] == CTL_2GHT40) ? true : false; + if (isHt40CtlMode) freq = centers.synth_center; else if (pCtlMode[ctlMode] & EXT_ADDITIVE) @@ -700,31 +725,28 @@ static void ath9k_hw_set_ar9287_power_per_rate_table(struct ath_hw *ah, 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; - + /* Walk through the CTL indices stored in EEPROM */ for (i = 0; (i < AR9287_NUM_CTLS) && pEepData->ctlIndex[i]; i++) { - if ((((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 cal_ctl_edges *pRdEdgesPower; + /* + * Compare test group from regulatory channel list + * with test mode from pCtlMode list + */ + if (CMP_CTL || CMP_NO_CTL) { rep = &(pEepData->ctlData[i]); - twiceMinEdgePower = ath9k_hw_get_max_edge_power( - freq, - rep->ctlEdges[ar5416_get_ntxchains( - tx_chainmask) - 1], - IS_CHAN_2GHZ(chan), AR5416_NUM_BAND_EDGES); - - if ((cfgCtl & ~CTL_MODE_M) == SD_NO_CTL) - twiceMaxEdgePower = min( - twiceMaxEdgePower, - twiceMinEdgePower); - else { + pRdEdgesPower = + rep->ctlEdges[ar5416_get_ntxchains(tx_chainmask) - 1]; + + twiceMinEdgePower = ath9k_hw_get_max_edge_power(freq, + pRdEdgesPower, + IS_CHAN_2GHZ(chan), + AR5416_NUM_BAND_EDGES); + + if ((cfgCtl & ~CTL_MODE_M) == SD_NO_CTL) { + twiceMaxEdgePower = min(twiceMaxEdgePower, + twiceMinEdgePower); + } else { twiceMaxEdgePower = twiceMinEdgePower; break; } @@ -733,55 +755,48 @@ static void ath9k_hw_set_ar9287_power_per_rate_table(struct ath_hw *ah, minCtlPower = (u8)min(twiceMaxEdgePower, scaledPower); + /* Apply ctl mode to correct target power set */ switch (pCtlMode[ctlMode]) { case CTL_11B: - for (i = 0; - i < ARRAY_SIZE(targetPowerCck.tPow2x); - i++) { - targetPowerCck.tPow2x[i] = (u8)min( - (u16)targetPowerCck.tPow2x[i], - minCtlPower); + for (i = 0; i < ARRAY_SIZE(targetPowerCck.tPow2x); i++) { + targetPowerCck.tPow2x[i] = + (u8)min((u16)targetPowerCck.tPow2x[i], + minCtlPower); } break; case CTL_11A: case CTL_11G: - for (i = 0; - i < ARRAY_SIZE(targetPowerOfdm.tPow2x); - i++) { - targetPowerOfdm.tPow2x[i] = (u8)min( - (u16)targetPowerOfdm.tPow2x[i], - minCtlPower); + for (i = 0; i < ARRAY_SIZE(targetPowerOfdm.tPow2x); i++) { + targetPowerOfdm.tPow2x[i] = + (u8)min((u16)targetPowerOfdm.tPow2x[i], + minCtlPower); } break; case CTL_5GHT20: case CTL_2GHT20: - for (i = 0; - i < ARRAY_SIZE(targetPowerHt20.tPow2x); - i++) { - targetPowerHt20.tPow2x[i] = (u8)min( - (u16)targetPowerHt20.tPow2x[i], - minCtlPower); + for (i = 0; i < ARRAY_SIZE(targetPowerHt20.tPow2x); i++) { + targetPowerHt20.tPow2x[i] = + (u8)min((u16)targetPowerHt20.tPow2x[i], + minCtlPower); } break; case CTL_11B_EXT: - targetPowerCckExt.tPow2x[0] = (u8)min( - (u16)targetPowerCckExt.tPow2x[0], - minCtlPower); + targetPowerCckExt.tPow2x[0] = + (u8)min((u16)targetPowerCckExt.tPow2x[0], + minCtlPower); break; case CTL_11A_EXT: case CTL_11G_EXT: - targetPowerOfdmExt.tPow2x[0] = (u8)min( - (u16)targetPowerOfdmExt.tPow2x[0], - minCtlPower); + targetPowerOfdmExt.tPow2x[0] = + (u8)min((u16)targetPowerOfdmExt.tPow2x[0], + minCtlPower); break; case CTL_5GHT40: case CTL_2GHT40: - for (i = 0; - i < ARRAY_SIZE(targetPowerHt40.tPow2x); - i++) { - targetPowerHt40.tPow2x[i] = (u8)min( - (u16)targetPowerHt40.tPow2x[i], - minCtlPower); + for (i = 0; i < ARRAY_SIZE(targetPowerHt40.tPow2x); i++) { + targetPowerHt40.tPow2x[i] = + (u8)min((u16)targetPowerHt40.tPow2x[i], + minCtlPower); } break; default: @@ -789,12 +804,13 @@ static void ath9k_hw_set_ar9287_power_per_rate_table(struct ath_hw *ah, } } + /* Now set the rates array */ + ratesArray[rate6mb] = ratesArray[rate9mb] = ratesArray[rate12mb] = ratesArray[rate18mb] = - ratesArray[rate24mb] = - targetPowerOfdm.tPow2x[0]; + ratesArray[rate24mb] = targetPowerOfdm.tPow2x[0]; ratesArray[rate36mb] = targetPowerOfdm.tPow2x[1]; ratesArray[rate48mb] = targetPowerOfdm.tPow2x[2]; @@ -806,12 +822,12 @@ static void ath9k_hw_set_ar9287_power_per_rate_table(struct ath_hw *ah, if (IS_CHAN_2GHZ(chan)) { 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]; + 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++) @@ -820,10 +836,13 @@ static void ath9k_hw_set_ar9287_power_per_rate_table(struct ath_hw *ah, ratesArray[rateDupOfdm] = targetPowerHt40.tPow2x[0]; ratesArray[rateDupCck] = targetPowerHt40.tPow2x[0]; ratesArray[rateExtOfdm] = targetPowerOfdmExt.tPow2x[0]; + if (IS_CHAN_2GHZ(chan)) ratesArray[rateExtCck] = targetPowerCckExt.tPow2x[0]; } +#undef CMP_CTL +#undef CMP_NO_CTL #undef REDUCE_SCALED_POWER_BY_TWO_CHAIN #undef REDUCE_SCALED_POWER_BY_THREE_CHAIN } @@ -834,10 +853,6 @@ static void ath9k_hw_ar9287_set_txpower(struct ath_hw *ah, u8 twiceMaxRegulatoryPower, u8 powerLimit) { -#define INCREASE_MAXPOW_BY_TWO_CHAIN 6 -#define INCREASE_MAXPOW_BY_THREE_CHAIN 10 - - struct ath_common *common = ath9k_hw_common(ah); struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah); struct ar9287_eeprom *pEepData = &ah->eeprom.map9287; struct modal_eep_ar9287_header *pModal = &pEepData->modalHeader; @@ -871,6 +886,7 @@ static void ath9k_hw_ar9287_set_txpower(struct ath_hw *ah, ratesArray[i] -= AR9287_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) @@ -883,6 +899,7 @@ static void ath9k_hw_ar9287_set_txpower(struct ath_hw *ah, | ATH9K_POW_SM(ratesArray[rate36mb], 8) | ATH9K_POW_SM(ratesArray[rate24mb], 0)); + /* CCK power per rate */ if (IS_CHAN_2GHZ(chan)) { REG_WRITE(ah, AR_PHY_POWER_TX_RATE3, ATH9K_POW_SM(ratesArray[rate2s], 24) @@ -896,6 +913,7 @@ static void ath9k_hw_ar9287_set_txpower(struct ath_hw *ah, | 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) @@ -908,6 +926,7 @@ static void ath9k_hw_ar9287_set_txpower(struct ath_hw *ah, | ATH9K_POW_SM(ratesArray[rateHt20_5], 8) | ATH9K_POW_SM(ratesArray[rateHt20_4], 0)); + /* HT40 power per rate */ if (IS_CHAN_HT40(chan)) { if (ath9k_hw_ar9287_get_eeprom(ah, EEP_OL_PWRCTRL)) { REG_WRITE(ah, AR_PHY_POWER_TX_RATE7, @@ -943,6 +962,7 @@ static void ath9k_hw_ar9287_set_txpower(struct ath_hw *ah, ht40PowerIncForPdadc, 0)); } + /* Dup/Ext power per rate */ REG_WRITE(ah, AR_PHY_POWER_TX_RATE9, ATH9K_POW_SM(ratesArray[rateExtOfdm], 24) | ATH9K_POW_SM(ratesArray[rateExtCck], 16) @@ -960,21 +980,6 @@ static void ath9k_hw_ar9287_set_txpower(struct ath_hw *ah, ratesArray[i] + AR9287_PWR_TABLE_OFFSET_DB * 2; else regulatory->max_power_level = ratesArray[i]; - - switch (ar5416_get_ntxchains(ah->txchainmask)) { - case 1: - break; - case 2: - regulatory->max_power_level += INCREASE_MAXPOW_BY_TWO_CHAIN; - break; - case 3: - regulatory->max_power_level += INCREASE_MAXPOW_BY_THREE_CHAIN; - break; - default: - ath_print(common, ATH_DBG_EEPROM, - "Invalid chainmask configuration\n"); - break; - } } static void ath9k_hw_ar9287_set_addac(struct ath_hw *ah, -- cgit v1.1