ar9003_calib.c revision 6497827f53eb90dcf30c5d6414c83238f722e8ae
1795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguez/* 2795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguez * Copyright (c) 2010 Atheros Communications Inc. 3795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguez * 4795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguez * Permission to use, copy, modify, and/or distribute this software for any 5795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguez * purpose with or without fee is hereby granted, provided that the above 6795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguez * copyright notice and this permission notice appear in all copies. 7795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguez * 8795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguez * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguez * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguez * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 11795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguez * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguez * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguez * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguez * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguez */ 16795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguez 17795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguez#include "hw.h" 18795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguez#include "hw-ops.h" 19795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguez#include "ar9003_phy.h" 20795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguez 216497827f53eb90dcf30c5d6414c83238f722e8aeFelix Fietkauenum ar9003_cal_types { 226497827f53eb90dcf30c5d6414c83238f722e8aeFelix Fietkau IQ_MISMATCH_CAL = BIT(0), 236497827f53eb90dcf30c5d6414c83238f722e8aeFelix Fietkau TEMP_COMP_CAL = BIT(1), 246497827f53eb90dcf30c5d6414c83238f722e8aeFelix Fietkau}; 256497827f53eb90dcf30c5d6414c83238f722e8aeFelix Fietkau 26795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguezstatic void ar9003_hw_setup_calibration(struct ath_hw *ah, 27795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguez struct ath9k_cal_list *currCal) 28795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguez{ 294b01931e3a3ca5ec49604e2b279b8b9dd42fbe4cLuis R. Rodriguez struct ath_common *common = ath9k_hw_common(ah); 304b01931e3a3ca5ec49604e2b279b8b9dd42fbe4cLuis R. Rodriguez 314b01931e3a3ca5ec49604e2b279b8b9dd42fbe4cLuis R. Rodriguez /* Select calibration to run */ 324b01931e3a3ca5ec49604e2b279b8b9dd42fbe4cLuis R. Rodriguez switch (currCal->calData->calType) { 334b01931e3a3ca5ec49604e2b279b8b9dd42fbe4cLuis R. Rodriguez case IQ_MISMATCH_CAL: 344b01931e3a3ca5ec49604e2b279b8b9dd42fbe4cLuis R. Rodriguez /* 354b01931e3a3ca5ec49604e2b279b8b9dd42fbe4cLuis R. Rodriguez * Start calibration with 364b01931e3a3ca5ec49604e2b279b8b9dd42fbe4cLuis R. Rodriguez * 2^(INIT_IQCAL_LOG_COUNT_MAX+1) samples 374b01931e3a3ca5ec49604e2b279b8b9dd42fbe4cLuis R. Rodriguez */ 384b01931e3a3ca5ec49604e2b279b8b9dd42fbe4cLuis R. Rodriguez REG_RMW_FIELD(ah, AR_PHY_TIMING4, 394b01931e3a3ca5ec49604e2b279b8b9dd42fbe4cLuis R. Rodriguez AR_PHY_TIMING4_IQCAL_LOG_COUNT_MAX, 404b01931e3a3ca5ec49604e2b279b8b9dd42fbe4cLuis R. Rodriguez currCal->calData->calCountMax); 414b01931e3a3ca5ec49604e2b279b8b9dd42fbe4cLuis R. Rodriguez REG_WRITE(ah, AR_PHY_CALMODE, AR_PHY_CALMODE_IQ); 424b01931e3a3ca5ec49604e2b279b8b9dd42fbe4cLuis R. Rodriguez 434b01931e3a3ca5ec49604e2b279b8b9dd42fbe4cLuis R. Rodriguez ath_print(common, ATH_DBG_CALIBRATE, 444b01931e3a3ca5ec49604e2b279b8b9dd42fbe4cLuis R. Rodriguez "starting IQ Mismatch Calibration\n"); 454b01931e3a3ca5ec49604e2b279b8b9dd42fbe4cLuis R. Rodriguez 464b01931e3a3ca5ec49604e2b279b8b9dd42fbe4cLuis R. Rodriguez /* Kick-off cal */ 474b01931e3a3ca5ec49604e2b279b8b9dd42fbe4cLuis R. Rodriguez REG_SET_BIT(ah, AR_PHY_TIMING4, AR_PHY_TIMING4_DO_CAL); 484b01931e3a3ca5ec49604e2b279b8b9dd42fbe4cLuis R. Rodriguez break; 494b01931e3a3ca5ec49604e2b279b8b9dd42fbe4cLuis R. Rodriguez case TEMP_COMP_CAL: 504b01931e3a3ca5ec49604e2b279b8b9dd42fbe4cLuis R. Rodriguez REG_RMW_FIELD(ah, AR_PHY_65NM_CH0_THERM, 514b01931e3a3ca5ec49604e2b279b8b9dd42fbe4cLuis R. Rodriguez AR_PHY_65NM_CH0_THERM_LOCAL, 1); 524b01931e3a3ca5ec49604e2b279b8b9dd42fbe4cLuis R. Rodriguez REG_RMW_FIELD(ah, AR_PHY_65NM_CH0_THERM, 534b01931e3a3ca5ec49604e2b279b8b9dd42fbe4cLuis R. Rodriguez AR_PHY_65NM_CH0_THERM_START, 1); 544b01931e3a3ca5ec49604e2b279b8b9dd42fbe4cLuis R. Rodriguez 554b01931e3a3ca5ec49604e2b279b8b9dd42fbe4cLuis R. Rodriguez ath_print(common, ATH_DBG_CALIBRATE, 564b01931e3a3ca5ec49604e2b279b8b9dd42fbe4cLuis R. Rodriguez "starting Temperature Compensation Calibration\n"); 574b01931e3a3ca5ec49604e2b279b8b9dd42fbe4cLuis R. Rodriguez break; 584b01931e3a3ca5ec49604e2b279b8b9dd42fbe4cLuis R. Rodriguez } 59795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguez} 60795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguez 61df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez/* 62df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez * Generic calibration routine. 63df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez * Recalibrate the lower PHY chips to account for temperature/environment 64df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez * changes. 65df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez */ 66df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguezstatic bool ar9003_hw_per_calibration(struct ath_hw *ah, 67df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez struct ath9k_channel *ichan, 68df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez u8 rxchainmask, 69df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez struct ath9k_cal_list *currCal) 70df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez{ 7120bd2a0952d01ba82a99b3f22d46e3832c255529Felix Fietkau struct ath9k_hw_cal_data *caldata = ah->caldata; 72df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez /* Cal is assumed not done until explicitly set below */ 73df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez bool iscaldone = false; 74df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 75df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez /* Calibration in progress. */ 76df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez if (currCal->calState == CAL_RUNNING) { 77df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez /* Check to see if it has finished. */ 78df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez if (!(REG_READ(ah, AR_PHY_TIMING4) & AR_PHY_TIMING4_DO_CAL)) { 79df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez /* 80df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez * Accumulate cal measures for active chains 81df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez */ 82df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez currCal->calData->calCollect(ah); 83df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez ah->cal_samples++; 84df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 85df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez if (ah->cal_samples >= 86df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez currCal->calData->calNumSamples) { 87df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez unsigned int i, numChains = 0; 88df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez for (i = 0; i < AR9300_MAX_CHAINS; i++) { 89df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez if (rxchainmask & (1 << i)) 90df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez numChains++; 91df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez } 92df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 93df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez /* 94df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez * Process accumulated data 95df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez */ 96df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez currCal->calData->calPostProc(ah, numChains); 97df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 98df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez /* Calibration has finished. */ 9920bd2a0952d01ba82a99b3f22d46e3832c255529Felix Fietkau caldata->CalValid |= currCal->calData->calType; 100df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez currCal->calState = CAL_DONE; 101df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez iscaldone = true; 102df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez } else { 103df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez /* 104df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez * Set-up collection of another sub-sample until we 105df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez * get desired number 106df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez */ 107df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez ar9003_hw_setup_calibration(ah, currCal); 108df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez } 109df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez } 11020bd2a0952d01ba82a99b3f22d46e3832c255529Felix Fietkau } else if (!(caldata->CalValid & currCal->calData->calType)) { 111df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez /* If current cal is marked invalid in channel, kick it off */ 112df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez ath9k_hw_reset_calibration(ah, currCal); 113df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez } 114df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 115df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez return iscaldone; 116df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez} 117df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 118795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguezstatic bool ar9003_hw_calibrate(struct ath_hw *ah, 119795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguez struct ath9k_channel *chan, 120795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguez u8 rxchainmask, 121795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguez bool longcal) 122795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguez{ 123df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez bool iscaldone = true; 124df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez struct ath9k_cal_list *currCal = ah->cal_list_curr; 125df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 126df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez /* 127df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez * For given calibration: 128df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez * 1. Call generic cal routine 129df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez * 2. When this cal is done (isCalDone) if we have more cals waiting 130df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez * (eg after reset), mask this to upper layers by not propagating 131df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez * isCalDone if it is set to TRUE. 132df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez * Instead, change isCalDone to FALSE and setup the waiting cal(s) 133df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez * to be run. 134df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez */ 135df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez if (currCal && 136df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez (currCal->calState == CAL_RUNNING || 137df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez currCal->calState == CAL_WAITING)) { 138df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez iscaldone = ar9003_hw_per_calibration(ah, chan, 139df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez rxchainmask, currCal); 140df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez if (iscaldone) { 141df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez ah->cal_list_curr = currCal = currCal->calNext; 142df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 143df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez if (currCal->calState == CAL_WAITING) { 144df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez iscaldone = false; 145df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez ath9k_hw_reset_calibration(ah, currCal); 146df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez } 147df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez } 148df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez } 149795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguez 150df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez /* Do NF cal only at longer intervals */ 151df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez if (longcal) { 152df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez /* 1539369746050e838c57e357f0caa552386ad65a82dFelix Fietkau * Get the value from the previous NF cal and update 1549369746050e838c57e357f0caa552386ad65a82dFelix Fietkau * history buffer. 1559369746050e838c57e357f0caa552386ad65a82dFelix Fietkau */ 1569369746050e838c57e357f0caa552386ad65a82dFelix Fietkau ath9k_hw_getnf(ah, chan); 1579369746050e838c57e357f0caa552386ad65a82dFelix Fietkau 1589369746050e838c57e357f0caa552386ad65a82dFelix Fietkau /* 159df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez * Load the NF from history buffer of the current channel. 160df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez * NF is slow time-variant, so it is OK to use a historical 161df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez * value. 162df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez */ 163df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez ath9k_hw_loadnf(ah, ah->curchan); 164df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 165df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez /* start NF calibration, without updating BB NF register */ 16600c86590e36bd42574821b43b5124d75f30df9ddFelix Fietkau ath9k_hw_start_nfcal(ah, false); 167df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez } 168df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 169df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez return iscaldone; 170795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguez} 171795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguez 172590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguezstatic void ar9003_hw_iqcal_collect(struct ath_hw *ah) 173590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez{ 174590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez int i; 175590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez 176590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez /* Accumulate IQ cal measures for active chains */ 177590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez for (i = 0; i < AR5416_MAX_CHAINS; i++) { 178590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez ah->totalPowerMeasI[i] += 179590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez REG_READ(ah, AR_PHY_CAL_MEAS_0(i)); 180590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez ah->totalPowerMeasQ[i] += 181590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez REG_READ(ah, AR_PHY_CAL_MEAS_1(i)); 182590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez ah->totalIqCorrMeas[i] += 183590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez (int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_2(i)); 184590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez ath_print(ath9k_hw_common(ah), ATH_DBG_CALIBRATE, 185590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez "%d: Chn %d pmi=0x%08x;pmq=0x%08x;iqcm=0x%08x;\n", 186590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez ah->cal_samples, i, ah->totalPowerMeasI[i], 187590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez ah->totalPowerMeasQ[i], 188590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez ah->totalIqCorrMeas[i]); 189590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez } 190590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez} 191590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez 192590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguezstatic void ar9003_hw_iqcalibrate(struct ath_hw *ah, u8 numChains) 193590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez{ 194590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez struct ath_common *common = ath9k_hw_common(ah); 195590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez u32 powerMeasQ, powerMeasI, iqCorrMeas; 196590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez u32 qCoffDenom, iCoffDenom; 197590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez int32_t qCoff, iCoff; 198590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez int iqCorrNeg, i; 199590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez const u_int32_t offset_array[3] = { 200590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez AR_PHY_RX_IQCAL_CORR_B0, 201590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez AR_PHY_RX_IQCAL_CORR_B1, 202590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez AR_PHY_RX_IQCAL_CORR_B2, 203590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez }; 204590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez 205590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez for (i = 0; i < numChains; i++) { 206590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez powerMeasI = ah->totalPowerMeasI[i]; 207590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez powerMeasQ = ah->totalPowerMeasQ[i]; 208590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez iqCorrMeas = ah->totalIqCorrMeas[i]; 209590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez 210590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez ath_print(common, ATH_DBG_CALIBRATE, 211590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez "Starting IQ Cal and Correction for Chain %d\n", 212590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez i); 213590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez 214590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez ath_print(common, ATH_DBG_CALIBRATE, 215590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez "Orignal: Chn %diq_corr_meas = 0x%08x\n", 216590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez i, ah->totalIqCorrMeas[i]); 217590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez 218590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez iqCorrNeg = 0; 219590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez 220590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez if (iqCorrMeas > 0x80000000) { 221590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez iqCorrMeas = (0xffffffff - iqCorrMeas) + 1; 222590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez iqCorrNeg = 1; 223590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez } 224590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez 225590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez ath_print(common, ATH_DBG_CALIBRATE, 226590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez "Chn %d pwr_meas_i = 0x%08x\n", i, powerMeasI); 227590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez ath_print(common, ATH_DBG_CALIBRATE, 228590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez "Chn %d pwr_meas_q = 0x%08x\n", i, powerMeasQ); 229590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez ath_print(common, ATH_DBG_CALIBRATE, "iqCorrNeg is 0x%08x\n", 230590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez iqCorrNeg); 231590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez 232590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez iCoffDenom = (powerMeasI / 2 + powerMeasQ / 2) / 256; 233590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez qCoffDenom = powerMeasQ / 64; 234590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez 235590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez if ((iCoffDenom != 0) && (qCoffDenom != 0)) { 236590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez iCoff = iqCorrMeas / iCoffDenom; 237590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez qCoff = powerMeasI / qCoffDenom - 64; 238590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez ath_print(common, ATH_DBG_CALIBRATE, 239590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez "Chn %d iCoff = 0x%08x\n", i, iCoff); 240590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez ath_print(common, ATH_DBG_CALIBRATE, 241590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez "Chn %d qCoff = 0x%08x\n", i, qCoff); 242590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez 243590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez /* Force bounds on iCoff */ 244590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez if (iCoff >= 63) 245590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez iCoff = 63; 246590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez else if (iCoff <= -63) 247590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez iCoff = -63; 248590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez 249590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez /* Negate iCoff if iqCorrNeg == 0 */ 250590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez if (iqCorrNeg == 0x0) 251590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez iCoff = -iCoff; 252590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez 253590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez /* Force bounds on qCoff */ 254590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez if (qCoff >= 63) 255590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez qCoff = 63; 256590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez else if (qCoff <= -63) 257590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez qCoff = -63; 258590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez 259590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez iCoff = iCoff & 0x7f; 260590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez qCoff = qCoff & 0x7f; 261590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez 262590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez ath_print(common, ATH_DBG_CALIBRATE, 263590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez "Chn %d : iCoff = 0x%x qCoff = 0x%x\n", 264590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez i, iCoff, qCoff); 265590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez ath_print(common, ATH_DBG_CALIBRATE, 266590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez "Register offset (0x%04x) " 267590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez "before update = 0x%x\n", 268590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez offset_array[i], 269590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez REG_READ(ah, offset_array[i])); 270590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez 271590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez REG_RMW_FIELD(ah, offset_array[i], 272590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez AR_PHY_RX_IQCAL_CORR_IQCORR_Q_I_COFF, 273590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez iCoff); 274590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez REG_RMW_FIELD(ah, offset_array[i], 275590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez AR_PHY_RX_IQCAL_CORR_IQCORR_Q_Q_COFF, 276590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez qCoff); 277590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez ath_print(common, ATH_DBG_CALIBRATE, 278590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez "Register offset (0x%04x) QI COFF " 279590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez "(bitfields 0x%08x) after update = 0x%x\n", 280590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez offset_array[i], 281590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez AR_PHY_RX_IQCAL_CORR_IQCORR_Q_I_COFF, 282590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez REG_READ(ah, offset_array[i])); 283590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez ath_print(common, ATH_DBG_CALIBRATE, 284590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez "Register offset (0x%04x) QQ COFF " 285590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez "(bitfields 0x%08x) after update = 0x%x\n", 286590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez offset_array[i], 287590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez AR_PHY_RX_IQCAL_CORR_IQCORR_Q_Q_COFF, 288590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez REG_READ(ah, offset_array[i])); 289590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez 290590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez ath_print(common, ATH_DBG_CALIBRATE, 291590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez "IQ Cal and Correction done for Chain %d\n", 292590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez i); 293590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez } 294590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez } 295590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez 296590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez REG_SET_BIT(ah, AR_PHY_RX_IQCAL_CORR_B0, 297590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez AR_PHY_RX_IQCAL_CORR_IQCORR_ENABLE); 298590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez ath_print(common, ATH_DBG_CALIBRATE, 299590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez "IQ Cal and Correction (offset 0x%04x) enabled " 300590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez "(bit position 0x%08x). New Value 0x%08x\n", 301590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez (unsigned) (AR_PHY_RX_IQCAL_CORR_B0), 302590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez AR_PHY_RX_IQCAL_CORR_IQCORR_ENABLE, 303590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez REG_READ(ah, AR_PHY_RX_IQCAL_CORR_B0)); 304590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez} 305590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez 306590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguezstatic const struct ath9k_percal_data iq_cal_single_sample = { 307590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez IQ_MISMATCH_CAL, 308590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez MIN_CAL_SAMPLES, 309590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez PER_MAX_LOG_COUNT, 310590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez ar9003_hw_iqcal_collect, 311590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez ar9003_hw_iqcalibrate 312590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez}; 313590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez 314795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguezstatic void ar9003_hw_init_cal_settings(struct ath_hw *ah) 315795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguez{ 316590b7d2f10f4552e5b7570c84dc565d3cb7825c9Luis R. Rodriguez ah->iq_caldata.calData = &iq_cal_single_sample; 317795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguez} 318795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguez 319df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez/* 320df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez * solve 4x4 linear equation used in loopback iq cal. 321df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez */ 322df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguezstatic bool ar9003_hw_solve_iq_cal(struct ath_hw *ah, 323df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez s32 sin_2phi_1, 324df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez s32 cos_2phi_1, 325df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez s32 sin_2phi_2, 326df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez s32 cos_2phi_2, 327df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez s32 mag_a0_d0, 328df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez s32 phs_a0_d0, 329df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez s32 mag_a1_d0, 330df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez s32 phs_a1_d0, 331df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez s32 solved_eq[]) 332df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez{ 333df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez s32 f1 = cos_2phi_1 - cos_2phi_2, 334df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez f3 = sin_2phi_1 - sin_2phi_2, 335df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez f2; 336df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez s32 mag_tx, phs_tx, mag_rx, phs_rx; 337df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez const s32 result_shift = 1 << 15; 338df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez struct ath_common *common = ath9k_hw_common(ah); 339df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 340df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez f2 = (f1 * f1 + f3 * f3) / result_shift; 341df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 342df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez if (!f2) { 343df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez ath_print(common, ATH_DBG_CALIBRATE, "Divide by 0\n"); 344df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez return false; 345df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez } 346df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 347df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez /* mag mismatch, tx */ 348df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez mag_tx = f1 * (mag_a0_d0 - mag_a1_d0) + f3 * (phs_a0_d0 - phs_a1_d0); 349df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez /* phs mismatch, tx */ 350df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez phs_tx = f3 * (-mag_a0_d0 + mag_a1_d0) + f1 * (phs_a0_d0 - phs_a1_d0); 351df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 352df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez mag_tx = (mag_tx / f2); 353df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez phs_tx = (phs_tx / f2); 354df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 355df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez /* mag mismatch, rx */ 356df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez mag_rx = mag_a0_d0 - (cos_2phi_1 * mag_tx + sin_2phi_1 * phs_tx) / 357df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez result_shift; 358df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez /* phs mismatch, rx */ 359df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez phs_rx = phs_a0_d0 + (sin_2phi_1 * mag_tx - cos_2phi_1 * phs_tx) / 360df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez result_shift; 361df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 362df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez solved_eq[0] = mag_tx; 363df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez solved_eq[1] = phs_tx; 364df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez solved_eq[2] = mag_rx; 365df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez solved_eq[3] = phs_rx; 366df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 367df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez return true; 368df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez} 369df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 370df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguezstatic s32 ar9003_hw_find_mag_approx(struct ath_hw *ah, s32 in_re, s32 in_im) 37177d6d39a77939e5ed7e2ec72a1c1dce828ee582eLuis R. Rodriguez{ 372df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez s32 abs_i = abs(in_re), 373df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez abs_q = abs(in_im), 374df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez max_abs, min_abs; 375df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 376df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez if (abs_i > abs_q) { 377df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez max_abs = abs_i; 378df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez min_abs = abs_q; 379df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez } else { 380df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez max_abs = abs_q; 381df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez min_abs = abs_i; 382df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez } 383df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 384df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez return max_abs - (max_abs / 32) + (min_abs / 8) + (min_abs / 4); 385df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez} 386df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 387df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez#define DELPT 32 388df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 389df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguezstatic bool ar9003_hw_calc_iq_corr(struct ath_hw *ah, 390df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez s32 chain_idx, 391df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez const s32 iq_res[], 392df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez s32 iqc_coeff[]) 393df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez{ 394df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez s32 i2_m_q2_a0_d0, i2_p_q2_a0_d0, iq_corr_a0_d0, 395df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez i2_m_q2_a0_d1, i2_p_q2_a0_d1, iq_corr_a0_d1, 396df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez i2_m_q2_a1_d0, i2_p_q2_a1_d0, iq_corr_a1_d0, 397df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez i2_m_q2_a1_d1, i2_p_q2_a1_d1, iq_corr_a1_d1; 398df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez s32 mag_a0_d0, mag_a1_d0, mag_a0_d1, mag_a1_d1, 399df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez phs_a0_d0, phs_a1_d0, phs_a0_d1, phs_a1_d1, 400df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez sin_2phi_1, cos_2phi_1, 401df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez sin_2phi_2, cos_2phi_2; 402df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez s32 mag_tx, phs_tx, mag_rx, phs_rx; 403df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez s32 solved_eq[4], mag_corr_tx, phs_corr_tx, mag_corr_rx, phs_corr_rx, 404df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez q_q_coff, q_i_coff; 405df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez const s32 res_scale = 1 << 15; 406df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez const s32 delpt_shift = 1 << 8; 407df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez s32 mag1, mag2; 408df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez struct ath_common *common = ath9k_hw_common(ah); 409df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 410df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez i2_m_q2_a0_d0 = iq_res[0] & 0xfff; 411df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez i2_p_q2_a0_d0 = (iq_res[0] >> 12) & 0xfff; 412df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez iq_corr_a0_d0 = ((iq_res[0] >> 24) & 0xff) + ((iq_res[1] & 0xf) << 8); 413df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 414df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez if (i2_m_q2_a0_d0 > 0x800) 415df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez i2_m_q2_a0_d0 = -((0xfff - i2_m_q2_a0_d0) + 1); 416df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 417df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez if (i2_p_q2_a0_d0 > 0x800) 418df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez i2_p_q2_a0_d0 = -((0xfff - i2_p_q2_a0_d0) + 1); 419df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 420df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez if (iq_corr_a0_d0 > 0x800) 421df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez iq_corr_a0_d0 = -((0xfff - iq_corr_a0_d0) + 1); 422df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 423df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez i2_m_q2_a0_d1 = (iq_res[1] >> 4) & 0xfff; 424df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez i2_p_q2_a0_d1 = (iq_res[2] & 0xfff); 425df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez iq_corr_a0_d1 = (iq_res[2] >> 12) & 0xfff; 426df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 427df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez if (i2_m_q2_a0_d1 > 0x800) 428df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez i2_m_q2_a0_d1 = -((0xfff - i2_m_q2_a0_d1) + 1); 429df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 430df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez if (i2_p_q2_a0_d1 > 0x800) 431df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez i2_p_q2_a0_d1 = -((0xfff - i2_p_q2_a0_d1) + 1); 432df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 433df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez if (iq_corr_a0_d1 > 0x800) 434df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez iq_corr_a0_d1 = -((0xfff - iq_corr_a0_d1) + 1); 435df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 436df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez i2_m_q2_a1_d0 = ((iq_res[2] >> 24) & 0xff) + ((iq_res[3] & 0xf) << 8); 437df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez i2_p_q2_a1_d0 = (iq_res[3] >> 4) & 0xfff; 438df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez iq_corr_a1_d0 = iq_res[4] & 0xfff; 439df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 440df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez if (i2_m_q2_a1_d0 > 0x800) 441df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez i2_m_q2_a1_d0 = -((0xfff - i2_m_q2_a1_d0) + 1); 442df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 443df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez if (i2_p_q2_a1_d0 > 0x800) 444df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez i2_p_q2_a1_d0 = -((0xfff - i2_p_q2_a1_d0) + 1); 445df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 446df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez if (iq_corr_a1_d0 > 0x800) 447df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez iq_corr_a1_d0 = -((0xfff - iq_corr_a1_d0) + 1); 448df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 449df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez i2_m_q2_a1_d1 = (iq_res[4] >> 12) & 0xfff; 450df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez i2_p_q2_a1_d1 = ((iq_res[4] >> 24) & 0xff) + ((iq_res[5] & 0xf) << 8); 451df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez iq_corr_a1_d1 = (iq_res[5] >> 4) & 0xfff; 452df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 453df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez if (i2_m_q2_a1_d1 > 0x800) 454df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez i2_m_q2_a1_d1 = -((0xfff - i2_m_q2_a1_d1) + 1); 455df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 456df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez if (i2_p_q2_a1_d1 > 0x800) 457df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez i2_p_q2_a1_d1 = -((0xfff - i2_p_q2_a1_d1) + 1); 458df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 459df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez if (iq_corr_a1_d1 > 0x800) 460df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez iq_corr_a1_d1 = -((0xfff - iq_corr_a1_d1) + 1); 461df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 462df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez if ((i2_p_q2_a0_d0 == 0) || (i2_p_q2_a0_d1 == 0) || 463df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez (i2_p_q2_a1_d0 == 0) || (i2_p_q2_a1_d1 == 0)) { 464df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez ath_print(common, ATH_DBG_CALIBRATE, 465df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez "Divide by 0:\na0_d0=%d\n" 466df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez "a0_d1=%d\na2_d0=%d\na1_d1=%d\n", 467df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez i2_p_q2_a0_d0, i2_p_q2_a0_d1, 468df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez i2_p_q2_a1_d0, i2_p_q2_a1_d1); 469df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez return false; 470df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez } 471df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 472df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez mag_a0_d0 = (i2_m_q2_a0_d0 * res_scale) / i2_p_q2_a0_d0; 473df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez phs_a0_d0 = (iq_corr_a0_d0 * res_scale) / i2_p_q2_a0_d0; 474df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 475df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez mag_a0_d1 = (i2_m_q2_a0_d1 * res_scale) / i2_p_q2_a0_d1; 476df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez phs_a0_d1 = (iq_corr_a0_d1 * res_scale) / i2_p_q2_a0_d1; 477df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 478df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez mag_a1_d0 = (i2_m_q2_a1_d0 * res_scale) / i2_p_q2_a1_d0; 479df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez phs_a1_d0 = (iq_corr_a1_d0 * res_scale) / i2_p_q2_a1_d0; 480df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 481df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez mag_a1_d1 = (i2_m_q2_a1_d1 * res_scale) / i2_p_q2_a1_d1; 482df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez phs_a1_d1 = (iq_corr_a1_d1 * res_scale) / i2_p_q2_a1_d1; 483df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 484df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez /* w/o analog phase shift */ 485df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez sin_2phi_1 = (((mag_a0_d0 - mag_a0_d1) * delpt_shift) / DELPT); 486df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez /* w/o analog phase shift */ 487df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez cos_2phi_1 = (((phs_a0_d1 - phs_a0_d0) * delpt_shift) / DELPT); 488df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez /* w/ analog phase shift */ 489df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez sin_2phi_2 = (((mag_a1_d0 - mag_a1_d1) * delpt_shift) / DELPT); 490df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez /* w/ analog phase shift */ 491df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez cos_2phi_2 = (((phs_a1_d1 - phs_a1_d0) * delpt_shift) / DELPT); 492df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 493df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez /* 494df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez * force sin^2 + cos^2 = 1; 495df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez * find magnitude by approximation 496df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez */ 497df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez mag1 = ar9003_hw_find_mag_approx(ah, cos_2phi_1, sin_2phi_1); 498df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez mag2 = ar9003_hw_find_mag_approx(ah, cos_2phi_2, sin_2phi_2); 499df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 500df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez if ((mag1 == 0) || (mag2 == 0)) { 501df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez ath_print(common, ATH_DBG_CALIBRATE, 502df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez "Divide by 0: mag1=%d, mag2=%d\n", 503df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez mag1, mag2); 504df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez return false; 505df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez } 506df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 507df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez /* normalization sin and cos by mag */ 508df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez sin_2phi_1 = (sin_2phi_1 * res_scale / mag1); 509df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez cos_2phi_1 = (cos_2phi_1 * res_scale / mag1); 510df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez sin_2phi_2 = (sin_2phi_2 * res_scale / mag2); 511df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez cos_2phi_2 = (cos_2phi_2 * res_scale / mag2); 512df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 513df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez /* calculate IQ mismatch */ 514df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez if (!ar9003_hw_solve_iq_cal(ah, 515df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez sin_2phi_1, cos_2phi_1, 516df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez sin_2phi_2, cos_2phi_2, 517df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez mag_a0_d0, phs_a0_d0, 518df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez mag_a1_d0, 519df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez phs_a1_d0, solved_eq)) { 520df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez ath_print(common, ATH_DBG_CALIBRATE, 521df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez "Call to ar9003_hw_solve_iq_cal() failed.\n"); 522df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez return false; 523df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez } 524df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 525df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez mag_tx = solved_eq[0]; 526df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez phs_tx = solved_eq[1]; 527df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez mag_rx = solved_eq[2]; 528df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez phs_rx = solved_eq[3]; 529df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 530df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez ath_print(common, ATH_DBG_CALIBRATE, 531df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez "chain %d: mag mismatch=%d phase mismatch=%d\n", 532df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez chain_idx, mag_tx/res_scale, phs_tx/res_scale); 533df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 534df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez if (res_scale == mag_tx) { 535df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez ath_print(common, ATH_DBG_CALIBRATE, 536df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez "Divide by 0: mag_tx=%d, res_scale=%d\n", 537df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez mag_tx, res_scale); 538df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez return false; 539df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez } 540df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 541df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez /* calculate and quantize Tx IQ correction factor */ 542df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez mag_corr_tx = (mag_tx * res_scale) / (res_scale - mag_tx); 543df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez phs_corr_tx = -phs_tx; 544df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 545df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez q_q_coff = (mag_corr_tx * 128 / res_scale); 546df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez q_i_coff = (phs_corr_tx * 256 / res_scale); 547df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 548df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez ath_print(common, ATH_DBG_CALIBRATE, 549df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez "tx chain %d: mag corr=%d phase corr=%d\n", 550df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez chain_idx, q_q_coff, q_i_coff); 551df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 552df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez if (q_i_coff < -63) 553df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez q_i_coff = -63; 554df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez if (q_i_coff > 63) 555df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez q_i_coff = 63; 556df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez if (q_q_coff < -63) 557df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez q_q_coff = -63; 558df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez if (q_q_coff > 63) 559df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez q_q_coff = 63; 560df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 561df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez iqc_coeff[0] = (q_q_coff * 128) + q_i_coff; 562df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 563df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez ath_print(common, ATH_DBG_CALIBRATE, 564df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez "tx chain %d: iq corr coeff=%x\n", 565df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez chain_idx, iqc_coeff[0]); 566df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 567df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez if (-mag_rx == res_scale) { 568df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez ath_print(common, ATH_DBG_CALIBRATE, 569df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez "Divide by 0: mag_rx=%d, res_scale=%d\n", 570df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez mag_rx, res_scale); 571df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez return false; 572df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez } 573df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 574df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez /* calculate and quantize Rx IQ correction factors */ 575df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez mag_corr_rx = (-mag_rx * res_scale) / (res_scale + mag_rx); 576df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez phs_corr_rx = -phs_rx; 577df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 578df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez q_q_coff = (mag_corr_rx * 128 / res_scale); 579df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez q_i_coff = (phs_corr_rx * 256 / res_scale); 580df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 581df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez ath_print(common, ATH_DBG_CALIBRATE, 582df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez "rx chain %d: mag corr=%d phase corr=%d\n", 583df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez chain_idx, q_q_coff, q_i_coff); 584df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 585df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez if (q_i_coff < -63) 586df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez q_i_coff = -63; 587df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez if (q_i_coff > 63) 588df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez q_i_coff = 63; 589df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez if (q_q_coff < -63) 590df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez q_q_coff = -63; 591df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez if (q_q_coff > 63) 592df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez q_q_coff = 63; 593df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 594df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez iqc_coeff[1] = (q_q_coff * 128) + q_i_coff; 595df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 596df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez ath_print(common, ATH_DBG_CALIBRATE, 597df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez "rx chain %d: iq corr coeff=%x\n", 598df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez chain_idx, iqc_coeff[1]); 599df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 600df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez return true; 601df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez} 602df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 603df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguezstatic void ar9003_hw_tx_iq_cal(struct ath_hw *ah) 604df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez{ 605df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez struct ath_common *common = ath9k_hw_common(ah); 606df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez const u32 txiqcal_status[AR9300_MAX_CHAINS] = { 607df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez AR_PHY_TX_IQCAL_STATUS_B0, 608df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez AR_PHY_TX_IQCAL_STATUS_B1, 609df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez AR_PHY_TX_IQCAL_STATUS_B2, 610df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez }; 611df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez const u32 tx_corr_coeff[AR9300_MAX_CHAINS] = { 612df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez AR_PHY_TX_IQCAL_CORR_COEFF_01_B0, 613df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez AR_PHY_TX_IQCAL_CORR_COEFF_01_B1, 614df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez AR_PHY_TX_IQCAL_CORR_COEFF_01_B2, 615df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez }; 616df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez const u32 rx_corr[AR9300_MAX_CHAINS] = { 617df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez AR_PHY_RX_IQCAL_CORR_B0, 618df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez AR_PHY_RX_IQCAL_CORR_B1, 619df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez AR_PHY_RX_IQCAL_CORR_B2, 620df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez }; 621df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez const u_int32_t chan_info_tab[] = { 622df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez AR_PHY_CHAN_INFO_TAB_0, 623df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez AR_PHY_CHAN_INFO_TAB_1, 624df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez AR_PHY_CHAN_INFO_TAB_2, 625df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez }; 626df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez s32 iq_res[6]; 627df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez s32 iqc_coeff[2]; 628df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez s32 i, j; 629df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez u32 num_chains = 0; 630df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 631df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez for (i = 0; i < AR9300_MAX_CHAINS; i++) { 632df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez if (ah->txchainmask & (1 << i)) 633df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez num_chains++; 634df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez } 635df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 636df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez REG_RMW_FIELD(ah, AR_PHY_TX_IQCAL_CONTROL_1, 637df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez AR_PHY_TX_IQCAQL_CONTROL_1_IQCORR_I_Q_COFF_DELPT, 638df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez DELPT); 639df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez REG_RMW_FIELD(ah, AR_PHY_TX_IQCAL_START, 640df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez AR_PHY_TX_IQCAL_START_DO_CAL, 641df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez AR_PHY_TX_IQCAL_START_DO_CAL); 642df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 643df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez if (!ath9k_hw_wait(ah, AR_PHY_TX_IQCAL_START, 644df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez AR_PHY_TX_IQCAL_START_DO_CAL, 645df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 0, AH_WAIT_TIMEOUT)) { 646df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez ath_print(common, ATH_DBG_CALIBRATE, 647df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez "Tx IQ Cal not complete.\n"); 648df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez goto TX_IQ_CAL_FAILED; 649df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez } 650df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 651df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez for (i = 0; i < num_chains; i++) { 652df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez ath_print(common, ATH_DBG_CALIBRATE, 653df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez "Doing Tx IQ Cal for chain %d.\n", i); 654df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 655df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez if (REG_READ(ah, txiqcal_status[i]) & 656df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez AR_PHY_TX_IQCAL_STATUS_FAILED) { 657df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez ath_print(common, ATH_DBG_CALIBRATE, 658df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez "Tx IQ Cal failed for chain %d.\n", i); 659df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez goto TX_IQ_CAL_FAILED; 660df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez } 661df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 662df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez for (j = 0; j < 3; j++) { 663df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez u_int8_t idx = 2 * j, 664df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez offset = 4 * j; 665df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 666df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez REG_RMW_FIELD(ah, AR_PHY_CHAN_INFO_MEMORY, 667df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez AR_PHY_CHAN_INFO_TAB_S2_READ, 0); 668df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 669df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez /* 32 bits */ 670df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez iq_res[idx] = REG_READ(ah, chan_info_tab[i] + offset); 671df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 672df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez REG_RMW_FIELD(ah, AR_PHY_CHAN_INFO_MEMORY, 673df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez AR_PHY_CHAN_INFO_TAB_S2_READ, 1); 674df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 675df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez /* 16 bits */ 676df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez iq_res[idx+1] = 0xffff & REG_READ(ah, 677df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez chan_info_tab[i] + 678df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez offset); 679df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 680df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez ath_print(common, ATH_DBG_CALIBRATE, 681df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez "IQ RES[%d]=0x%x IQ_RES[%d]=0x%x\n", 682df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez idx, iq_res[idx], idx+1, iq_res[idx+1]); 683df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez } 684df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 685df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez if (!ar9003_hw_calc_iq_corr(ah, i, iq_res, iqc_coeff)) { 686df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez ath_print(common, ATH_DBG_CALIBRATE, 687df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez "Failed in calculation of IQ correction.\n"); 688df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez goto TX_IQ_CAL_FAILED; 689df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez } 690df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 691df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez ath_print(common, ATH_DBG_CALIBRATE, 692df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez "IQ_COEFF[0] = 0x%x IQ_COEFF[1] = 0x%x\n", 693df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez iqc_coeff[0], iqc_coeff[1]); 694df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 695df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez REG_RMW_FIELD(ah, tx_corr_coeff[i], 696df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez AR_PHY_TX_IQCAL_CORR_COEFF_01_COEFF_TABLE, 697df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez iqc_coeff[0]); 698df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez REG_RMW_FIELD(ah, rx_corr[i], 699df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez AR_PHY_RX_IQCAL_CORR_LOOPBACK_IQCORR_Q_Q_COFF, 700df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez iqc_coeff[1] >> 7); 701df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez REG_RMW_FIELD(ah, rx_corr[i], 702df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez AR_PHY_RX_IQCAL_CORR_LOOPBACK_IQCORR_Q_I_COFF, 703df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez iqc_coeff[1]); 704df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez } 705df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 706df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez REG_RMW_FIELD(ah, AR_PHY_TX_IQCAL_CONTROL_3, 707df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez AR_PHY_TX_IQCAL_CONTROL_3_IQCORR_EN, 0x1); 708df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez REG_RMW_FIELD(ah, AR_PHY_RX_IQCAL_CORR_B0, 709df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez AR_PHY_RX_IQCAL_CORR_B0_LOOPBACK_IQCORR_EN, 0x1); 710df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 711df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez return; 712df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 713df23acaa5d3239745805650e2f27a4252182c063Luis R. RodriguezTX_IQ_CAL_FAILED: 714df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez ath_print(common, ATH_DBG_CALIBRATE, "Tx IQ Cal failed\n"); 715df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez} 716df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 717df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguezstatic bool ar9003_hw_init_cal(struct ath_hw *ah, 718df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez struct ath9k_channel *chan) 719df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez{ 720df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez struct ath_common *common = ath9k_hw_common(ah); 721df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 722df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez /* 723df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez * 0x7 = 0b111 , AR9003 needs to be configured for 3-chain mode before 724df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez * running AGC/TxIQ cals 725df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez */ 726df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez ar9003_hw_set_chain_masks(ah, 0x7, 0x7); 727df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 728c5395b67437b47c4a4c0686d3db99be9327ef67eLuis R. Rodriguez /* Do Tx IQ Calibration */ 729c5395b67437b47c4a4c0686d3db99be9327ef67eLuis R. Rodriguez ar9003_hw_tx_iq_cal(ah); 730c5395b67437b47c4a4c0686d3db99be9327ef67eLuis R. Rodriguez REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_DIS); 731c5395b67437b47c4a4c0686d3db99be9327ef67eLuis R. Rodriguez udelay(5); 732c5395b67437b47c4a4c0686d3db99be9327ef67eLuis R. Rodriguez REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_EN); 733c5395b67437b47c4a4c0686d3db99be9327ef67eLuis R. Rodriguez 734df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez /* Calibrate the AGC */ 735df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez REG_WRITE(ah, AR_PHY_AGC_CONTROL, 736df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez REG_READ(ah, AR_PHY_AGC_CONTROL) | 737df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez AR_PHY_AGC_CONTROL_CAL); 738df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 739df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez /* Poll for offset calibration complete */ 740df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez if (!ath9k_hw_wait(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_CAL, 741df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 0, AH_WAIT_TIMEOUT)) { 742df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez ath_print(common, ATH_DBG_CALIBRATE, 743df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez "offset calibration failed to " 744df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez "complete in 1ms; noisy environment?\n"); 745df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez return false; 746df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez } 747df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 748df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez /* Revert chainmasks to their original values before NF cal */ 749df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez ar9003_hw_set_chain_masks(ah, ah->rxchainmask, ah->txchainmask); 750df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 75100c86590e36bd42574821b43b5124d75f30df9ddFelix Fietkau ath9k_hw_start_nfcal(ah, true); 75200c86590e36bd42574821b43b5124d75f30df9ddFelix Fietkau 753df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez /* Initialize list pointers */ 754df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez ah->cal_list = ah->cal_list_last = ah->cal_list_curr = NULL; 7556497827f53eb90dcf30c5d6414c83238f722e8aeFelix Fietkau ah->supp_cals = IQ_MISMATCH_CAL; 756df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 7576497827f53eb90dcf30c5d6414c83238f722e8aeFelix Fietkau if (ah->supp_cals & IQ_MISMATCH_CAL) { 758df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez INIT_CAL(&ah->iq_caldata); 759df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez INSERT_CAL(ah, &ah->iq_caldata); 760df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez ath_print(common, ATH_DBG_CALIBRATE, 761df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez "enabling IQ Calibration.\n"); 762df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez } 763df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 7646497827f53eb90dcf30c5d6414c83238f722e8aeFelix Fietkau if (ah->supp_cals & TEMP_COMP_CAL) { 765df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez INIT_CAL(&ah->tempCompCalData); 766df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez INSERT_CAL(ah, &ah->tempCompCalData); 767df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez ath_print(common, ATH_DBG_CALIBRATE, 768df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez "enabling Temperature Compensation Calibration.\n"); 769df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez } 770df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 771df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez /* Initialize current pointer to first element in list */ 772df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez ah->cal_list_curr = ah->cal_list; 773df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 774df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez if (ah->cal_list_curr) 775df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez ath9k_hw_reset_calibration(ah, ah->cal_list_curr); 776df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 77720bd2a0952d01ba82a99b3f22d46e3832c255529Felix Fietkau if (ah->caldata) 77820bd2a0952d01ba82a99b3f22d46e3832c255529Felix Fietkau ah->caldata->CalValid = 0; 779df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez 780df23acaa5d3239745805650e2f27a4252182c063Luis R. Rodriguez return true; 78177d6d39a77939e5ed7e2ec72a1c1dce828ee582eLuis R. Rodriguez} 78277d6d39a77939e5ed7e2ec72a1c1dce828ee582eLuis R. Rodriguez 783795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguezvoid ar9003_hw_attach_calib_ops(struct ath_hw *ah) 784795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguez{ 785795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguez struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah); 786795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguez struct ath_hw_ops *ops = ath9k_hw_ops(ah); 787795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguez 788795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguez priv_ops->init_cal_settings = ar9003_hw_init_cal_settings; 789795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguez priv_ops->init_cal = ar9003_hw_init_cal; 790795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguez priv_ops->setup_calibration = ar9003_hw_setup_calibration; 791795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguez 792795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguez ops->calibrate = ar9003_hw_calibrate; 793795f5e2ca672727a96bacf97075976cfe1249fcfLuis R. Rodriguez} 794