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path: root/drivers/net/wireless/ath/ath9k/ar9003_calib.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ar9003_calib.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/ar9003_calib.c217
1 files changed, 107 insertions, 110 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_calib.c b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
index 4c94c9ed5f81..16d20294c33c 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
@@ -40,8 +40,8 @@ static void ar9003_hw_setup_calibration(struct ath_hw *ah,
currCal->calData->calCountMax);
REG_WRITE(ah, AR_PHY_CALMODE, AR_PHY_CALMODE_IQ);
- ath_print(common, ATH_DBG_CALIBRATE,
- "starting IQ Mismatch Calibration\n");
+ ath_dbg(common, ATH_DBG_CALIBRATE,
+ "starting IQ Mismatch Calibration\n");
/* Kick-off cal */
REG_SET_BIT(ah, AR_PHY_TIMING4, AR_PHY_TIMING4_DO_CAL);
@@ -52,8 +52,8 @@ static void ar9003_hw_setup_calibration(struct ath_hw *ah,
REG_RMW_FIELD(ah, AR_PHY_65NM_CH0_THERM,
AR_PHY_65NM_CH0_THERM_START, 1);
- ath_print(common, ATH_DBG_CALIBRATE,
- "starting Temperature Compensation Calibration\n");
+ ath_dbg(common, ATH_DBG_CALIBRATE,
+ "starting Temperature Compensation Calibration\n");
break;
}
}
@@ -181,11 +181,11 @@ static void ar9003_hw_iqcal_collect(struct ath_hw *ah)
REG_READ(ah, AR_PHY_CAL_MEAS_1(i));
ah->totalIqCorrMeas[i] +=
(int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_2(i));
- ath_print(ath9k_hw_common(ah), ATH_DBG_CALIBRATE,
- "%d: Chn %d pmi=0x%08x;pmq=0x%08x;iqcm=0x%08x;\n",
- ah->cal_samples, i, ah->totalPowerMeasI[i],
- ah->totalPowerMeasQ[i],
- ah->totalIqCorrMeas[i]);
+ ath_dbg(ath9k_hw_common(ah), ATH_DBG_CALIBRATE,
+ "%d: Chn %d pmi=0x%08x;pmq=0x%08x;iqcm=0x%08x;\n",
+ ah->cal_samples, i, ah->totalPowerMeasI[i],
+ ah->totalPowerMeasQ[i],
+ ah->totalIqCorrMeas[i]);
}
}
@@ -207,13 +207,13 @@ static void ar9003_hw_iqcalibrate(struct ath_hw *ah, u8 numChains)
powerMeasQ = ah->totalPowerMeasQ[i];
iqCorrMeas = ah->totalIqCorrMeas[i];
- ath_print(common, ATH_DBG_CALIBRATE,
- "Starting IQ Cal and Correction for Chain %d\n",
- i);
+ ath_dbg(common, ATH_DBG_CALIBRATE,
+ "Starting IQ Cal and Correction for Chain %d\n",
+ i);
- ath_print(common, ATH_DBG_CALIBRATE,
- "Orignal: Chn %diq_corr_meas = 0x%08x\n",
- i, ah->totalIqCorrMeas[i]);
+ ath_dbg(common, ATH_DBG_CALIBRATE,
+ "Orignal: Chn %diq_corr_meas = 0x%08x\n",
+ i, ah->totalIqCorrMeas[i]);
iqCorrNeg = 0;
@@ -222,12 +222,12 @@ static void ar9003_hw_iqcalibrate(struct ath_hw *ah, u8 numChains)
iqCorrNeg = 1;
}
- ath_print(common, ATH_DBG_CALIBRATE,
- "Chn %d pwr_meas_i = 0x%08x\n", i, powerMeasI);
- ath_print(common, ATH_DBG_CALIBRATE,
- "Chn %d pwr_meas_q = 0x%08x\n", i, powerMeasQ);
- ath_print(common, ATH_DBG_CALIBRATE, "iqCorrNeg is 0x%08x\n",
- iqCorrNeg);
+ ath_dbg(common, ATH_DBG_CALIBRATE,
+ "Chn %d pwr_meas_i = 0x%08x\n", i, powerMeasI);
+ ath_dbg(common, ATH_DBG_CALIBRATE,
+ "Chn %d pwr_meas_q = 0x%08x\n", i, powerMeasQ);
+ ath_dbg(common, ATH_DBG_CALIBRATE, "iqCorrNeg is 0x%08x\n",
+ iqCorrNeg);
iCoffDenom = (powerMeasI / 2 + powerMeasQ / 2) / 256;
qCoffDenom = powerMeasQ / 64;
@@ -235,10 +235,10 @@ static void ar9003_hw_iqcalibrate(struct ath_hw *ah, u8 numChains)
if ((iCoffDenom != 0) && (qCoffDenom != 0)) {
iCoff = iqCorrMeas / iCoffDenom;
qCoff = powerMeasI / qCoffDenom - 64;
- ath_print(common, ATH_DBG_CALIBRATE,
- "Chn %d iCoff = 0x%08x\n", i, iCoff);
- ath_print(common, ATH_DBG_CALIBRATE,
- "Chn %d qCoff = 0x%08x\n", i, qCoff);
+ ath_dbg(common, ATH_DBG_CALIBRATE,
+ "Chn %d iCoff = 0x%08x\n", i, iCoff);
+ ath_dbg(common, ATH_DBG_CALIBRATE,
+ "Chn %d qCoff = 0x%08x\n", i, qCoff);
/* Force bounds on iCoff */
if (iCoff >= 63)
@@ -259,14 +259,13 @@ static void ar9003_hw_iqcalibrate(struct ath_hw *ah, u8 numChains)
iCoff = iCoff & 0x7f;
qCoff = qCoff & 0x7f;
- ath_print(common, ATH_DBG_CALIBRATE,
- "Chn %d : iCoff = 0x%x qCoff = 0x%x\n",
- i, iCoff, qCoff);
- ath_print(common, ATH_DBG_CALIBRATE,
- "Register offset (0x%04x) "
- "before update = 0x%x\n",
- offset_array[i],
- REG_READ(ah, offset_array[i]));
+ ath_dbg(common, ATH_DBG_CALIBRATE,
+ "Chn %d : iCoff = 0x%x qCoff = 0x%x\n",
+ i, iCoff, qCoff);
+ ath_dbg(common, ATH_DBG_CALIBRATE,
+ "Register offset (0x%04x) before update = 0x%x\n",
+ offset_array[i],
+ REG_READ(ah, offset_array[i]));
REG_RMW_FIELD(ah, offset_array[i],
AR_PHY_RX_IQCAL_CORR_IQCORR_Q_I_COFF,
@@ -274,33 +273,29 @@ static void ar9003_hw_iqcalibrate(struct ath_hw *ah, u8 numChains)
REG_RMW_FIELD(ah, offset_array[i],
AR_PHY_RX_IQCAL_CORR_IQCORR_Q_Q_COFF,
qCoff);
- ath_print(common, ATH_DBG_CALIBRATE,
- "Register offset (0x%04x) QI COFF "
- "(bitfields 0x%08x) after update = 0x%x\n",
- offset_array[i],
- AR_PHY_RX_IQCAL_CORR_IQCORR_Q_I_COFF,
- REG_READ(ah, offset_array[i]));
- ath_print(common, ATH_DBG_CALIBRATE,
- "Register offset (0x%04x) QQ COFF "
- "(bitfields 0x%08x) after update = 0x%x\n",
- offset_array[i],
- AR_PHY_RX_IQCAL_CORR_IQCORR_Q_Q_COFF,
- REG_READ(ah, offset_array[i]));
-
- ath_print(common, ATH_DBG_CALIBRATE,
- "IQ Cal and Correction done for Chain %d\n",
- i);
+ ath_dbg(common, ATH_DBG_CALIBRATE,
+ "Register offset (0x%04x) QI COFF (bitfields 0x%08x) after update = 0x%x\n",
+ offset_array[i],
+ AR_PHY_RX_IQCAL_CORR_IQCORR_Q_I_COFF,
+ REG_READ(ah, offset_array[i]));
+ ath_dbg(common, ATH_DBG_CALIBRATE,
+ "Register offset (0x%04x) QQ COFF (bitfields 0x%08x) after update = 0x%x\n",
+ offset_array[i],
+ AR_PHY_RX_IQCAL_CORR_IQCORR_Q_Q_COFF,
+ REG_READ(ah, offset_array[i]));
+
+ ath_dbg(common, ATH_DBG_CALIBRATE,
+ "IQ Cal and Correction done for Chain %d\n", i);
}
}
REG_SET_BIT(ah, AR_PHY_RX_IQCAL_CORR_B0,
AR_PHY_RX_IQCAL_CORR_IQCORR_ENABLE);
- ath_print(common, ATH_DBG_CALIBRATE,
- "IQ Cal and Correction (offset 0x%04x) enabled "
- "(bit position 0x%08x). New Value 0x%08x\n",
- (unsigned) (AR_PHY_RX_IQCAL_CORR_B0),
- AR_PHY_RX_IQCAL_CORR_IQCORR_ENABLE,
- REG_READ(ah, AR_PHY_RX_IQCAL_CORR_B0));
+ ath_dbg(common, ATH_DBG_CALIBRATE,
+ "IQ Cal and Correction (offset 0x%04x) enabled (bit position 0x%08x). New Value 0x%08x\n",
+ (unsigned) (AR_PHY_RX_IQCAL_CORR_B0),
+ AR_PHY_RX_IQCAL_CORR_IQCORR_ENABLE,
+ REG_READ(ah, AR_PHY_RX_IQCAL_CORR_B0));
}
static const struct ath9k_percal_data iq_cal_single_sample = {
@@ -340,7 +335,7 @@ static bool ar9003_hw_solve_iq_cal(struct ath_hw *ah,
f2 = (f1 * f1 + f3 * f3) / result_shift;
if (!f2) {
- ath_print(common, ATH_DBG_CALIBRATE, "Divide by 0\n");
+ ath_dbg(common, ATH_DBG_CALIBRATE, "Divide by 0\n");
return false;
}
@@ -461,11 +456,14 @@ static bool ar9003_hw_calc_iq_corr(struct ath_hw *ah,
if ((i2_p_q2_a0_d0 == 0) || (i2_p_q2_a0_d1 == 0) ||
(i2_p_q2_a1_d0 == 0) || (i2_p_q2_a1_d1 == 0)) {
- ath_print(common, ATH_DBG_CALIBRATE,
- "Divide by 0:\na0_d0=%d\n"
- "a0_d1=%d\na2_d0=%d\na1_d1=%d\n",
- i2_p_q2_a0_d0, i2_p_q2_a0_d1,
- i2_p_q2_a1_d0, i2_p_q2_a1_d1);
+ ath_dbg(common, ATH_DBG_CALIBRATE,
+ "Divide by 0:\n"
+ "a0_d0=%d\n"
+ "a0_d1=%d\n"
+ "a2_d0=%d\n"
+ "a1_d1=%d\n",
+ i2_p_q2_a0_d0, i2_p_q2_a0_d1,
+ i2_p_q2_a1_d0, i2_p_q2_a1_d1);
return false;
}
@@ -498,9 +496,9 @@ static bool ar9003_hw_calc_iq_corr(struct ath_hw *ah,
mag2 = ar9003_hw_find_mag_approx(ah, cos_2phi_2, sin_2phi_2);
if ((mag1 == 0) || (mag2 == 0)) {
- ath_print(common, ATH_DBG_CALIBRATE,
- "Divide by 0: mag1=%d, mag2=%d\n",
- mag1, mag2);
+ ath_dbg(common, ATH_DBG_CALIBRATE,
+ "Divide by 0: mag1=%d, mag2=%d\n",
+ mag1, mag2);
return false;
}
@@ -517,8 +515,8 @@ static bool ar9003_hw_calc_iq_corr(struct ath_hw *ah,
mag_a0_d0, phs_a0_d0,
mag_a1_d0,
phs_a1_d0, solved_eq)) {
- ath_print(common, ATH_DBG_CALIBRATE,
- "Call to ar9003_hw_solve_iq_cal() failed.\n");
+ ath_dbg(common, ATH_DBG_CALIBRATE,
+ "Call to ar9003_hw_solve_iq_cal() failed.\n");
return false;
}
@@ -527,14 +525,14 @@ static bool ar9003_hw_calc_iq_corr(struct ath_hw *ah,
mag_rx = solved_eq[2];
phs_rx = solved_eq[3];
- ath_print(common, ATH_DBG_CALIBRATE,
- "chain %d: mag mismatch=%d phase mismatch=%d\n",
- chain_idx, mag_tx/res_scale, phs_tx/res_scale);
+ ath_dbg(common, ATH_DBG_CALIBRATE,
+ "chain %d: mag mismatch=%d phase mismatch=%d\n",
+ chain_idx, mag_tx/res_scale, phs_tx/res_scale);
if (res_scale == mag_tx) {
- ath_print(common, ATH_DBG_CALIBRATE,
- "Divide by 0: mag_tx=%d, res_scale=%d\n",
- mag_tx, res_scale);
+ ath_dbg(common, ATH_DBG_CALIBRATE,
+ "Divide by 0: mag_tx=%d, res_scale=%d\n",
+ mag_tx, res_scale);
return false;
}
@@ -545,9 +543,9 @@ static bool ar9003_hw_calc_iq_corr(struct ath_hw *ah,
q_q_coff = (mag_corr_tx * 128 / res_scale);
q_i_coff = (phs_corr_tx * 256 / res_scale);
- ath_print(common, ATH_DBG_CALIBRATE,
- "tx chain %d: mag corr=%d phase corr=%d\n",
- chain_idx, q_q_coff, q_i_coff);
+ ath_dbg(common, ATH_DBG_CALIBRATE,
+ "tx chain %d: mag corr=%d phase corr=%d\n",
+ chain_idx, q_q_coff, q_i_coff);
if (q_i_coff < -63)
q_i_coff = -63;
@@ -560,14 +558,14 @@ static bool ar9003_hw_calc_iq_corr(struct ath_hw *ah,
iqc_coeff[0] = (q_q_coff * 128) + q_i_coff;
- ath_print(common, ATH_DBG_CALIBRATE,
- "tx chain %d: iq corr coeff=%x\n",
- chain_idx, iqc_coeff[0]);
+ ath_dbg(common, ATH_DBG_CALIBRATE,
+ "tx chain %d: iq corr coeff=%x\n",
+ chain_idx, iqc_coeff[0]);
if (-mag_rx == res_scale) {
- ath_print(common, ATH_DBG_CALIBRATE,
- "Divide by 0: mag_rx=%d, res_scale=%d\n",
- mag_rx, res_scale);
+ ath_dbg(common, ATH_DBG_CALIBRATE,
+ "Divide by 0: mag_rx=%d, res_scale=%d\n",
+ mag_rx, res_scale);
return false;
}
@@ -578,9 +576,9 @@ static bool ar9003_hw_calc_iq_corr(struct ath_hw *ah,
q_q_coff = (mag_corr_rx * 128 / res_scale);
q_i_coff = (phs_corr_rx * 256 / res_scale);
- ath_print(common, ATH_DBG_CALIBRATE,
- "rx chain %d: mag corr=%d phase corr=%d\n",
- chain_idx, q_q_coff, q_i_coff);
+ ath_dbg(common, ATH_DBG_CALIBRATE,
+ "rx chain %d: mag corr=%d phase corr=%d\n",
+ chain_idx, q_q_coff, q_i_coff);
if (q_i_coff < -63)
q_i_coff = -63;
@@ -593,9 +591,9 @@ static bool ar9003_hw_calc_iq_corr(struct ath_hw *ah,
iqc_coeff[1] = (q_q_coff * 128) + q_i_coff;
- ath_print(common, ATH_DBG_CALIBRATE,
- "rx chain %d: iq corr coeff=%x\n",
- chain_idx, iqc_coeff[1]);
+ ath_dbg(common, ATH_DBG_CALIBRATE,
+ "rx chain %d: iq corr coeff=%x\n",
+ chain_idx, iqc_coeff[1]);
return true;
}
@@ -643,19 +641,19 @@ static void ar9003_hw_tx_iq_cal(struct ath_hw *ah)
if (!ath9k_hw_wait(ah, AR_PHY_TX_IQCAL_START,
AR_PHY_TX_IQCAL_START_DO_CAL,
0, AH_WAIT_TIMEOUT)) {
- ath_print(common, ATH_DBG_CALIBRATE,
- "Tx IQ Cal not complete.\n");
+ ath_dbg(common, ATH_DBG_CALIBRATE,
+ "Tx IQ Cal not complete.\n");
goto TX_IQ_CAL_FAILED;
}
for (i = 0; i < num_chains; i++) {
- ath_print(common, ATH_DBG_CALIBRATE,
- "Doing Tx IQ Cal for chain %d.\n", i);
+ ath_dbg(common, ATH_DBG_CALIBRATE,
+ "Doing Tx IQ Cal for chain %d.\n", i);
if (REG_READ(ah, txiqcal_status[i]) &
AR_PHY_TX_IQCAL_STATUS_FAILED) {
- ath_print(common, ATH_DBG_CALIBRATE,
- "Tx IQ Cal failed for chain %d.\n", i);
+ ath_dbg(common, ATH_DBG_CALIBRATE,
+ "Tx IQ Cal failed for chain %d.\n", i);
goto TX_IQ_CAL_FAILED;
}
@@ -677,20 +675,20 @@ static void ar9003_hw_tx_iq_cal(struct ath_hw *ah)
chan_info_tab[i] +
offset);
- ath_print(common, ATH_DBG_CALIBRATE,
- "IQ RES[%d]=0x%x IQ_RES[%d]=0x%x\n",
- idx, iq_res[idx], idx+1, iq_res[idx+1]);
+ ath_dbg(common, ATH_DBG_CALIBRATE,
+ "IQ RES[%d]=0x%x IQ_RES[%d]=0x%x\n",
+ idx, iq_res[idx], idx+1, iq_res[idx+1]);
}
if (!ar9003_hw_calc_iq_corr(ah, i, iq_res, iqc_coeff)) {
- ath_print(common, ATH_DBG_CALIBRATE,
- "Failed in calculation of IQ correction.\n");
+ ath_dbg(common, ATH_DBG_CALIBRATE,
+ "Failed in calculation of IQ correction.\n");
goto TX_IQ_CAL_FAILED;
}
- ath_print(common, ATH_DBG_CALIBRATE,
- "IQ_COEFF[0] = 0x%x IQ_COEFF[1] = 0x%x\n",
- iqc_coeff[0], iqc_coeff[1]);
+ ath_dbg(common, ATH_DBG_CALIBRATE,
+ "IQ_COEFF[0] = 0x%x IQ_COEFF[1] = 0x%x\n",
+ iqc_coeff[0], iqc_coeff[1]);
REG_RMW_FIELD(ah, tx_corr_coeff[i],
AR_PHY_TX_IQCAL_CORR_COEFF_01_COEFF_TABLE,
@@ -711,7 +709,7 @@ static void ar9003_hw_tx_iq_cal(struct ath_hw *ah)
return;
TX_IQ_CAL_FAILED:
- ath_print(common, ATH_DBG_CALIBRATE, "Tx IQ Cal failed\n");
+ ath_dbg(common, ATH_DBG_CALIBRATE, "Tx IQ Cal failed\n");
}
static bool ar9003_hw_init_cal(struct ath_hw *ah,
@@ -721,7 +719,7 @@ static bool ar9003_hw_init_cal(struct ath_hw *ah,
int val;
val = REG_READ(ah, AR_ENT_OTP);
- ath_print(common, ATH_DBG_CALIBRATE, "ath9k: AR_ENT_OTP 0x%x\n", val);
+ ath_dbg(common, ATH_DBG_CALIBRATE, "ath9k: AR_ENT_OTP 0x%x\n", val);
if (val & AR_ENT_OTP_CHAIN2_DISABLE)
ar9003_hw_set_chain_masks(ah, 0x3, 0x3);
@@ -746,9 +744,8 @@ static bool ar9003_hw_init_cal(struct ath_hw *ah,
/* Poll for offset calibration complete */
if (!ath9k_hw_wait(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_CAL,
0, AH_WAIT_TIMEOUT)) {
- ath_print(common, ATH_DBG_CALIBRATE,
- "offset calibration failed to "
- "complete in 1ms; noisy environment?\n");
+ ath_dbg(common, ATH_DBG_CALIBRATE,
+ "offset calibration failed to complete in 1ms; noisy environment?\n");
return false;
}
@@ -764,15 +761,15 @@ static bool ar9003_hw_init_cal(struct ath_hw *ah,
if (ah->supp_cals & IQ_MISMATCH_CAL) {
INIT_CAL(&ah->iq_caldata);
INSERT_CAL(ah, &ah->iq_caldata);
- ath_print(common, ATH_DBG_CALIBRATE,
- "enabling IQ Calibration.\n");
+ ath_dbg(common, ATH_DBG_CALIBRATE,
+ "enabling IQ Calibration.\n");
}
if (ah->supp_cals & TEMP_COMP_CAL) {
INIT_CAL(&ah->tempCompCalData);
INSERT_CAL(ah, &ah->tempCompCalData);
- ath_print(common, ATH_DBG_CALIBRATE,
- "enabling Temperature Compensation Calibration.\n");
+ ath_dbg(common, ATH_DBG_CALIBRATE,
+ "enabling Temperature Compensation Calibration.\n");
}
/* Initialize current pointer to first element in list */