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path: root/drivers/net/wireless/ath/ath9k/calib.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/calib.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/calib.c421
1 files changed, 235 insertions, 186 deletions
diff --git a/drivers/net/wireless/ath/ath9k/calib.c b/drivers/net/wireless/ath/ath9k/calib.c
index 0ad6d0b76e9e..238a5744d8e9 100644
--- a/drivers/net/wireless/ath/ath9k/calib.c
+++ b/drivers/net/wireless/ath/ath9k/calib.c
@@ -14,7 +14,7 @@
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
-#include "ath9k.h"
+#include "hw.h"
/* We can tune this as we go by monitoring really low values */
#define ATH9K_NF_TOO_LOW -60
@@ -26,11 +26,11 @@
static bool ath9k_hw_nf_in_range(struct ath_hw *ah, s16 nf)
{
if (nf > ATH9K_NF_TOO_LOW) {
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "noise floor value detected (%d) is "
- "lower than what we think is a "
- "reasonable value (%d)\n",
- nf, ATH9K_NF_TOO_LOW);
+ ath_print(ath9k_hw_common(ah), ATH_DBG_CALIBRATE,
+ "noise floor value detected (%d) is "
+ "lower than what we think is a "
+ "reasonable value (%d)\n",
+ nf, ATH9K_NF_TOO_LOW);
return false;
}
return true;
@@ -89,6 +89,7 @@ static void ath9k_hw_update_nfcal_hist_buffer(struct ath9k_nfcal_hist *h,
static void ath9k_hw_do_getnf(struct ath_hw *ah,
int16_t nfarray[NUM_NF_READINGS])
{
+ struct ath_common *common = ath9k_hw_common(ah);
int16_t nf;
if (AR_SREV_9280_10_OR_LATER(ah))
@@ -98,8 +99,8 @@ static void ath9k_hw_do_getnf(struct ath_hw *ah,
if (nf & 0x100)
nf = 0 - ((nf ^ 0x1ff) + 1);
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "NF calibrated [ctl] [chain 0] is %d\n", nf);
+ ath_print(common, ATH_DBG_CALIBRATE,
+ "NF calibrated [ctl] [chain 0] is %d\n", nf);
nfarray[0] = nf;
if (!AR_SREV_9285(ah)) {
@@ -112,8 +113,8 @@ static void ath9k_hw_do_getnf(struct ath_hw *ah,
if (nf & 0x100)
nf = 0 - ((nf ^ 0x1ff) + 1);
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "NF calibrated [ctl] [chain 1] is %d\n", nf);
+ ath_print(common, ATH_DBG_CALIBRATE,
+ "NF calibrated [ctl] [chain 1] is %d\n", nf);
nfarray[1] = nf;
if (!AR_SREV_9280(ah) && !AR_SREV_9287(ah)) {
@@ -121,8 +122,8 @@ static void ath9k_hw_do_getnf(struct ath_hw *ah,
AR_PHY_CH2_MINCCA_PWR);
if (nf & 0x100)
nf = 0 - ((nf ^ 0x1ff) + 1);
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "NF calibrated [ctl] [chain 2] is %d\n", nf);
+ ath_print(common, ATH_DBG_CALIBRATE,
+ "NF calibrated [ctl] [chain 2] is %d\n", nf);
nfarray[2] = nf;
}
}
@@ -136,8 +137,8 @@ static void ath9k_hw_do_getnf(struct ath_hw *ah,
if (nf & 0x100)
nf = 0 - ((nf ^ 0x1ff) + 1);
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "NF calibrated [ext] [chain 0] is %d\n", nf);
+ ath_print(common, ATH_DBG_CALIBRATE,
+ "NF calibrated [ext] [chain 0] is %d\n", nf);
nfarray[3] = nf;
if (!AR_SREV_9285(ah)) {
@@ -150,8 +151,8 @@ static void ath9k_hw_do_getnf(struct ath_hw *ah,
if (nf & 0x100)
nf = 0 - ((nf ^ 0x1ff) + 1);
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "NF calibrated [ext] [chain 1] is %d\n", nf);
+ ath_print(common, ATH_DBG_CALIBRATE,
+ "NF calibrated [ext] [chain 1] is %d\n", nf);
nfarray[4] = nf;
if (!AR_SREV_9280(ah) && !AR_SREV_9287(ah)) {
@@ -159,8 +160,8 @@ static void ath9k_hw_do_getnf(struct ath_hw *ah,
AR_PHY_CH2_EXT_MINCCA_PWR);
if (nf & 0x100)
nf = 0 - ((nf ^ 0x1ff) + 1);
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "NF calibrated [ext] [chain 2] is %d\n", nf);
+ ath_print(common, ATH_DBG_CALIBRATE,
+ "NF calibrated [ext] [chain 2] is %d\n", nf);
nfarray[5] = nf;
}
}
@@ -188,6 +189,8 @@ static bool getNoiseFloorThresh(struct ath_hw *ah,
static void ath9k_hw_setup_calibration(struct ath_hw *ah,
struct ath9k_cal_list *currCal)
{
+ struct ath_common *common = ath9k_hw_common(ah);
+
REG_RMW_FIELD(ah, AR_PHY_TIMING_CTRL4(0),
AR_PHY_TIMING_CTRL4_IQCAL_LOG_COUNT_MAX,
currCal->calData->calCountMax);
@@ -195,23 +198,23 @@ static void ath9k_hw_setup_calibration(struct ath_hw *ah,
switch (currCal->calData->calType) {
case IQ_MISMATCH_CAL:
REG_WRITE(ah, AR_PHY_CALMODE, AR_PHY_CALMODE_IQ);
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "starting IQ Mismatch Calibration\n");
+ ath_print(common, ATH_DBG_CALIBRATE,
+ "starting IQ Mismatch Calibration\n");
break;
case ADC_GAIN_CAL:
REG_WRITE(ah, AR_PHY_CALMODE, AR_PHY_CALMODE_ADC_GAIN);
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "starting ADC Gain Calibration\n");
+ ath_print(common, ATH_DBG_CALIBRATE,
+ "starting ADC Gain Calibration\n");
break;
case ADC_DC_CAL:
REG_WRITE(ah, AR_PHY_CALMODE, AR_PHY_CALMODE_ADC_DC_PER);
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "starting ADC DC Calibration\n");
+ ath_print(common, ATH_DBG_CALIBRATE,
+ "starting ADC DC Calibration\n");
break;
case ADC_DC_INIT_CAL:
REG_WRITE(ah, AR_PHY_CALMODE, AR_PHY_CALMODE_ADC_DC_INIT);
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "starting Init ADC DC Calibration\n");
+ ath_print(common, ATH_DBG_CALIBRATE,
+ "starting Init ADC DC Calibration\n");
break;
}
@@ -278,7 +281,7 @@ static bool ath9k_hw_per_calibration(struct ath_hw *ah,
static bool ath9k_hw_iscal_supported(struct ath_hw *ah,
enum ath9k_cal_types calType)
{
- struct ieee80211_conf *conf = &ah->ah_sc->hw->conf;
+ struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
switch (calType & ah->supp_cals) {
case IQ_MISMATCH_CAL: /* Both 2 GHz and 5 GHz support OFDM */
@@ -304,11 +307,11 @@ static void ath9k_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));
- DPRINTF(ah->ah_sc, 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_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]);
}
}
@@ -326,14 +329,14 @@ static void ath9k_hw_adc_gaincal_collect(struct ath_hw *ah)
ah->totalAdcQEvenPhase[i] +=
REG_READ(ah, AR_PHY_CAL_MEAS_3(i));
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "%d: Chn %d oddi=0x%08x; eveni=0x%08x; "
- "oddq=0x%08x; evenq=0x%08x;\n",
- ah->cal_samples, i,
- ah->totalAdcIOddPhase[i],
- ah->totalAdcIEvenPhase[i],
- ah->totalAdcQOddPhase[i],
- ah->totalAdcQEvenPhase[i]);
+ ath_print(ath9k_hw_common(ah), ATH_DBG_CALIBRATE,
+ "%d: Chn %d oddi=0x%08x; eveni=0x%08x; "
+ "oddq=0x%08x; evenq=0x%08x;\n",
+ ah->cal_samples, i,
+ ah->totalAdcIOddPhase[i],
+ ah->totalAdcIEvenPhase[i],
+ ah->totalAdcQOddPhase[i],
+ ah->totalAdcQEvenPhase[i]);
}
}
@@ -351,19 +354,20 @@ static void ath9k_hw_adc_dccal_collect(struct ath_hw *ah)
ah->totalAdcDcOffsetQEvenPhase[i] +=
(int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_3(i));
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "%d: Chn %d oddi=0x%08x; eveni=0x%08x; "
- "oddq=0x%08x; evenq=0x%08x;\n",
- ah->cal_samples, i,
- ah->totalAdcDcOffsetIOddPhase[i],
- ah->totalAdcDcOffsetIEvenPhase[i],
- ah->totalAdcDcOffsetQOddPhase[i],
- ah->totalAdcDcOffsetQEvenPhase[i]);
+ ath_print(ath9k_hw_common(ah), ATH_DBG_CALIBRATE,
+ "%d: Chn %d oddi=0x%08x; eveni=0x%08x; "
+ "oddq=0x%08x; evenq=0x%08x;\n",
+ ah->cal_samples, i,
+ ah->totalAdcDcOffsetIOddPhase[i],
+ ah->totalAdcDcOffsetIEvenPhase[i],
+ ah->totalAdcDcOffsetQOddPhase[i],
+ ah->totalAdcDcOffsetQEvenPhase[i]);
}
}
static void ath9k_hw_iqcalibrate(struct ath_hw *ah, u8 numChains)
{
+ struct ath_common *common = ath9k_hw_common(ah);
u32 powerMeasQ, powerMeasI, iqCorrMeas;
u32 qCoffDenom, iCoffDenom;
int32_t qCoff, iCoff;
@@ -374,13 +378,13 @@ static void ath9k_hw_iqcalibrate(struct ath_hw *ah, u8 numChains)
powerMeasQ = ah->totalPowerMeasQ[i];
iqCorrMeas = ah->totalIqCorrMeas[i];
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "Starting IQ Cal and Correction for Chain %d\n",
- i);
+ ath_print(common, ATH_DBG_CALIBRATE,
+ "Starting IQ Cal and Correction for Chain %d\n",
+ i);
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "Orignal: Chn %diq_corr_meas = 0x%08x\n",
- i, ah->totalIqCorrMeas[i]);
+ ath_print(common, ATH_DBG_CALIBRATE,
+ "Orignal: Chn %diq_corr_meas = 0x%08x\n",
+ i, ah->totalIqCorrMeas[i]);
iqCorrNeg = 0;
@@ -389,27 +393,28 @@ static void ath9k_hw_iqcalibrate(struct ath_hw *ah, u8 numChains)
iqCorrNeg = 1;
}
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "Chn %d pwr_meas_i = 0x%08x\n", i, powerMeasI);
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "Chn %d pwr_meas_q = 0x%08x\n", i, powerMeasQ);
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE, "iqCorrNeg is 0x%08x\n",
- iqCorrNeg);
+ 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);
iCoffDenom = (powerMeasI / 2 + powerMeasQ / 2) / 128;
qCoffDenom = powerMeasQ / 64;
- if (powerMeasQ != 0) {
+ if ((powerMeasQ != 0) && (iCoffDenom != 0) &&
+ (qCoffDenom != 0)) {
iCoff = iqCorrMeas / iCoffDenom;
qCoff = powerMeasI / qCoffDenom - 64;
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "Chn %d iCoff = 0x%08x\n", i, iCoff);
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "Chn %d qCoff = 0x%08x\n", i, qCoff);
+ 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);
iCoff = iCoff & 0x3f;
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "New: Chn %d iCoff = 0x%08x\n", i, iCoff);
+ ath_print(common, ATH_DBG_CALIBRATE,
+ "New: Chn %d iCoff = 0x%08x\n", i, iCoff);
if (iqCorrNeg == 0x0)
iCoff = 0x40 - iCoff;
@@ -418,9 +423,9 @@ static void ath9k_hw_iqcalibrate(struct ath_hw *ah, u8 numChains)
else if (qCoff <= -16)
qCoff = 16;
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "Chn %d : iCoff = 0x%x qCoff = 0x%x\n",
- i, iCoff, qCoff);
+ ath_print(common, ATH_DBG_CALIBRATE,
+ "Chn %d : iCoff = 0x%x qCoff = 0x%x\n",
+ i, iCoff, qCoff);
REG_RMW_FIELD(ah, AR_PHY_TIMING_CTRL4(i),
AR_PHY_TIMING_CTRL4_IQCORR_Q_I_COFF,
@@ -428,9 +433,9 @@ static void ath9k_hw_iqcalibrate(struct ath_hw *ah, u8 numChains)
REG_RMW_FIELD(ah, AR_PHY_TIMING_CTRL4(i),
AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF,
qCoff);
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "IQ Cal and Correction done for Chain %d\n",
- i);
+ ath_print(common, ATH_DBG_CALIBRATE,
+ "IQ Cal and Correction done for Chain %d\n",
+ i);
}
}
@@ -440,6 +445,7 @@ static void ath9k_hw_iqcalibrate(struct ath_hw *ah, u8 numChains)
static void ath9k_hw_adc_gaincal_calibrate(struct ath_hw *ah, u8 numChains)
{
+ struct ath_common *common = ath9k_hw_common(ah);
u32 iOddMeasOffset, iEvenMeasOffset, qOddMeasOffset, qEvenMeasOffset;
u32 qGainMismatch, iGainMismatch, val, i;
@@ -449,21 +455,21 @@ static void ath9k_hw_adc_gaincal_calibrate(struct ath_hw *ah, u8 numChains)
qOddMeasOffset = ah->totalAdcQOddPhase[i];
qEvenMeasOffset = ah->totalAdcQEvenPhase[i];
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "Starting ADC Gain Cal for Chain %d\n", i);
-
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "Chn %d pwr_meas_odd_i = 0x%08x\n", i,
- iOddMeasOffset);
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "Chn %d pwr_meas_even_i = 0x%08x\n", i,
- iEvenMeasOffset);
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "Chn %d pwr_meas_odd_q = 0x%08x\n", i,
- qOddMeasOffset);
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "Chn %d pwr_meas_even_q = 0x%08x\n", i,
- qEvenMeasOffset);
+ ath_print(common, ATH_DBG_CALIBRATE,
+ "Starting ADC Gain Cal for Chain %d\n", i);
+
+ ath_print(common, ATH_DBG_CALIBRATE,
+ "Chn %d pwr_meas_odd_i = 0x%08x\n", i,
+ iOddMeasOffset);
+ ath_print(common, ATH_DBG_CALIBRATE,
+ "Chn %d pwr_meas_even_i = 0x%08x\n", i,
+ iEvenMeasOffset);
+ ath_print(common, ATH_DBG_CALIBRATE,
+ "Chn %d pwr_meas_odd_q = 0x%08x\n", i,
+ qOddMeasOffset);
+ ath_print(common, ATH_DBG_CALIBRATE,
+ "Chn %d pwr_meas_even_q = 0x%08x\n", i,
+ qEvenMeasOffset);
if (iOddMeasOffset != 0 && qEvenMeasOffset != 0) {
iGainMismatch =
@@ -473,20 +479,20 @@ static void ath9k_hw_adc_gaincal_calibrate(struct ath_hw *ah, u8 numChains)
((qOddMeasOffset * 32) /
qEvenMeasOffset) & 0x3f;
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "Chn %d gain_mismatch_i = 0x%08x\n", i,
- iGainMismatch);
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "Chn %d gain_mismatch_q = 0x%08x\n", i,
- qGainMismatch);
+ ath_print(common, ATH_DBG_CALIBRATE,
+ "Chn %d gain_mismatch_i = 0x%08x\n", i,
+ iGainMismatch);
+ ath_print(common, ATH_DBG_CALIBRATE,
+ "Chn %d gain_mismatch_q = 0x%08x\n", i,
+ qGainMismatch);
val = REG_READ(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(i));
val &= 0xfffff000;
val |= (qGainMismatch) | (iGainMismatch << 6);
REG_WRITE(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(i), val);
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "ADC Gain Cal done for Chain %d\n", i);
+ ath_print(common, ATH_DBG_CALIBRATE,
+ "ADC Gain Cal done for Chain %d\n", i);
}
}
@@ -497,6 +503,7 @@ static void ath9k_hw_adc_gaincal_calibrate(struct ath_hw *ah, u8 numChains)
static void ath9k_hw_adc_dccal_calibrate(struct ath_hw *ah, u8 numChains)
{
+ struct ath_common *common = ath9k_hw_common(ah);
u32 iOddMeasOffset, iEvenMeasOffset, val, i;
int32_t qOddMeasOffset, qEvenMeasOffset, qDcMismatch, iDcMismatch;
const struct ath9k_percal_data *calData =
@@ -510,41 +517,41 @@ static void ath9k_hw_adc_dccal_calibrate(struct ath_hw *ah, u8 numChains)
qOddMeasOffset = ah->totalAdcDcOffsetQOddPhase[i];
qEvenMeasOffset = ah->totalAdcDcOffsetQEvenPhase[i];
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "Starting ADC DC Offset Cal for Chain %d\n", i);
-
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "Chn %d pwr_meas_odd_i = %d\n", i,
- iOddMeasOffset);
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "Chn %d pwr_meas_even_i = %d\n", i,
- iEvenMeasOffset);
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "Chn %d pwr_meas_odd_q = %d\n", i,
- qOddMeasOffset);
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "Chn %d pwr_meas_even_q = %d\n", i,
- qEvenMeasOffset);
+ ath_print(common, ATH_DBG_CALIBRATE,
+ "Starting ADC DC Offset Cal for Chain %d\n", i);
+
+ ath_print(common, ATH_DBG_CALIBRATE,
+ "Chn %d pwr_meas_odd_i = %d\n", i,
+ iOddMeasOffset);
+ ath_print(common, ATH_DBG_CALIBRATE,
+ "Chn %d pwr_meas_even_i = %d\n", i,
+ iEvenMeasOffset);
+ ath_print(common, ATH_DBG_CALIBRATE,
+ "Chn %d pwr_meas_odd_q = %d\n", i,
+ qOddMeasOffset);
+ ath_print(common, ATH_DBG_CALIBRATE,
+ "Chn %d pwr_meas_even_q = %d\n", i,
+ qEvenMeasOffset);
iDcMismatch = (((iEvenMeasOffset - iOddMeasOffset) * 2) /
numSamples) & 0x1ff;
qDcMismatch = (((qOddMeasOffset - qEvenMeasOffset) * 2) /
numSamples) & 0x1ff;
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "Chn %d dc_offset_mismatch_i = 0x%08x\n", i,
- iDcMismatch);
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "Chn %d dc_offset_mismatch_q = 0x%08x\n", i,
- qDcMismatch);
+ ath_print(common, ATH_DBG_CALIBRATE,
+ "Chn %d dc_offset_mismatch_i = 0x%08x\n", i,
+ iDcMismatch);
+ ath_print(common, ATH_DBG_CALIBRATE,
+ "Chn %d dc_offset_mismatch_q = 0x%08x\n", i,
+ qDcMismatch);
val = REG_READ(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(i));
val &= 0xc0000fff;
val |= (qDcMismatch << 12) | (iDcMismatch << 21);
REG_WRITE(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(i), val);
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "ADC DC Offset Cal done for Chain %d\n", i);
+ ath_print(common, ATH_DBG_CALIBRATE,
+ "ADC DC Offset Cal done for Chain %d\n", i);
}
REG_WRITE(ah, AR_PHY_NEW_ADC_DC_GAIN_CORR(0),
@@ -555,7 +562,8 @@ static void ath9k_hw_adc_dccal_calibrate(struct ath_hw *ah, u8 numChains)
/* This is done for the currently configured channel */
bool ath9k_hw_reset_calvalid(struct ath_hw *ah)
{
- struct ieee80211_conf *conf = &ah->ah_sc->hw->conf;
+ struct ath_common *common = ath9k_hw_common(ah);
+ struct ieee80211_conf *conf = &common->hw->conf;
struct ath9k_cal_list *currCal = ah->cal_list_curr;
if (!ah->curchan)
@@ -568,24 +576,25 @@ bool ath9k_hw_reset_calvalid(struct ath_hw *ah)
return true;
if (currCal->calState != CAL_DONE) {
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "Calibration state incorrect, %d\n",
- currCal->calState);
+ ath_print(common, ATH_DBG_CALIBRATE,
+ "Calibration state incorrect, %d\n",
+ currCal->calState);
return true;
}
if (!ath9k_hw_iscal_supported(ah, currCal->calData->calType))
return true;
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "Resetting Cal %d state for channel %u\n",
- currCal->calData->calType, conf->channel->center_freq);
+ ath_print(common, ATH_DBG_CALIBRATE,
+ "Resetting Cal %d state for channel %u\n",
+ currCal->calData->calType, conf->channel->center_freq);
ah->curchan->CalValid &= ~currCal->calData->calType;
currCal->calState = CAL_WAITING;
return false;
}
+EXPORT_SYMBOL(ath9k_hw_reset_calvalid);
void ath9k_hw_start_nfcal(struct ath_hw *ah)
{
@@ -645,11 +654,11 @@ void ath9k_hw_loadnf(struct ath_hw *ah, struct ath9k_channel *chan)
AR_PHY_AGC_CONTROL_NO_UPDATE_NF);
REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_NF);
- for (j = 0; j < 1000; j++) {
+ for (j = 0; j < 5; j++) {
if ((REG_READ(ah, AR_PHY_AGC_CONTROL) &
AR_PHY_AGC_CONTROL_NF) == 0)
break;
- udelay(10);
+ udelay(50);
}
for (i = 0; i < NUM_NF_READINGS; i++) {
@@ -665,6 +674,7 @@ void ath9k_hw_loadnf(struct ath_hw *ah, struct ath9k_channel *chan)
int16_t ath9k_hw_getnf(struct ath_hw *ah,
struct ath9k_channel *chan)
{
+ struct ath_common *common = ath9k_hw_common(ah);
int16_t nf, nfThresh;
int16_t nfarray[NUM_NF_READINGS] = { 0 };
struct ath9k_nfcal_hist *h;
@@ -672,8 +682,8 @@ int16_t ath9k_hw_getnf(struct ath_hw *ah,
chan->channelFlags &= (~CHANNEL_CW_INT);
if (REG_READ(ah, AR_PHY_AGC_CONTROL) & AR_PHY_AGC_CONTROL_NF) {
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "NF did not complete in calibration window\n");
+ ath_print(common, ATH_DBG_CALIBRATE,
+ "NF did not complete in calibration window\n");
nf = 0;
chan->rawNoiseFloor = nf;
return chan->rawNoiseFloor;
@@ -682,10 +692,10 @@ int16_t ath9k_hw_getnf(struct ath_hw *ah,
nf = nfarray[0];
if (getNoiseFloorThresh(ah, c->band, &nfThresh)
&& nf > nfThresh) {
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "noise floor failed detected; "
- "detected %d, threshold %d\n",
- nf, nfThresh);
+ ath_print(common, ATH_DBG_CALIBRATE,
+ "noise floor failed detected; "
+ "detected %d, threshold %d\n",
+ nf, nfThresh);
chan->channelFlags |= CHANNEL_CW_INT;
}
}
@@ -737,51 +747,73 @@ s16 ath9k_hw_getchan_noise(struct ath_hw *ah, struct ath9k_channel *chan)
return nf;
}
+EXPORT_SYMBOL(ath9k_hw_getchan_noise);
-static void ath9k_olc_temp_compensation(struct ath_hw *ah)
+static void ath9k_olc_temp_compensation_9287(struct ath_hw *ah)
{
- u32 rddata, i;
- int delta, currPDADC, regval, slope;
+ u32 rddata;
+ int32_t delta, currPDADC, slope;
rddata = REG_READ(ah, AR_PHY_TX_PWRCTRL4);
currPDADC = MS(rddata, AR_PHY_TX_PWRCTRL_PD_AVG_OUT);
+ if (ah->initPDADC == 0 || currPDADC == 0) {
+ /*
+ * Zero value indicates that no frames have been transmitted yet,
+ * can't do temperature compensation until frames are transmitted.
+ */
+ return;
+ } else {
+ slope = ah->eep_ops->get_eeprom(ah, EEP_TEMPSENSE_SLOPE);
+
+ if (slope == 0) { /* to avoid divide by zero case */
+ delta = 0;
+ } else {
+ delta = ((currPDADC - ah->initPDADC)*4) / slope;
+ }
+ REG_RMW_FIELD(ah, AR_PHY_CH0_TX_PWRCTRL11,
+ AR_PHY_TX_PWRCTRL_OLPC_TEMP_COMP, delta);
+ REG_RMW_FIELD(ah, AR_PHY_CH1_TX_PWRCTRL11,
+ AR_PHY_TX_PWRCTRL_OLPC_TEMP_COMP, delta);
+ }
+}
+
+static void ath9k_olc_temp_compensation(struct ath_hw *ah)
+{
+ u32 rddata, i;
+ int delta, currPDADC, regval;
if (OLC_FOR_AR9287_10_LATER) {
+ ath9k_olc_temp_compensation_9287(ah);
+ } else {
+ rddata = REG_READ(ah, AR_PHY_TX_PWRCTRL4);
+ currPDADC = MS(rddata, AR_PHY_TX_PWRCTRL_PD_AVG_OUT);
+
if (ah->initPDADC == 0 || currPDADC == 0) {
return;
} else {
- slope = ah->eep_ops->get_eeprom(ah, EEP_TEMPSENSE_SLOPE);
- if (slope == 0)
- delta = 0;
+ if (ah->eep_ops->get_eeprom(ah, EEP_DAC_HPWR_5G))
+ delta = (currPDADC - ah->initPDADC + 4) / 8;
else
- delta = ((currPDADC - ah->initPDADC)*4) / slope;
- REG_RMW_FIELD(ah, AR_PHY_CH0_TX_PWRCTRL11,
- AR_PHY_TX_PWRCTRL_OLPC_TEMP_COMP, delta);
- REG_RMW_FIELD(ah, AR_PHY_CH1_TX_PWRCTRL11,
- AR_PHY_TX_PWRCTRL_OLPC_TEMP_COMP, delta);
- }
- } else {
- if (ah->eep_ops->get_eeprom(ah, EEP_DAC_HPWR_5G))
- delta = (currPDADC - ah->initPDADC + 4) / 8;
- else
- delta = (currPDADC - ah->initPDADC + 5) / 10;
-
- if (delta != ah->PDADCdelta) {
- ah->PDADCdelta = delta;
- for (i = 1; i < AR9280_TX_GAIN_TABLE_SIZE; i++) {
- regval = ah->originalGain[i] - delta;
- if (regval < 0)
- regval = 0;
-
- REG_RMW_FIELD(ah, AR_PHY_TX_GAIN_TBL1 + i * 4,
- AR_PHY_TX_GAIN, regval);
+ delta = (currPDADC - ah->initPDADC + 5) / 10;
+
+ if (delta != ah->PDADCdelta) {
+ ah->PDADCdelta = delta;
+ for (i = 1; i < AR9280_TX_GAIN_TABLE_SIZE; i++) {
+ regval = ah->originalGain[i] - delta;
+ if (regval < 0)
+ regval = 0;
+
+ REG_RMW_FIELD(ah,
+ AR_PHY_TX_GAIN_TBL1 + i * 4,
+ AR_PHY_TX_GAIN, regval);
+ }
}
}
}
}
-static void ath9k_hw_9271_pa_cal(struct ath_hw *ah)
+static void ath9k_hw_9271_pa_cal(struct ath_hw *ah, bool is_reset)
{
u32 regVal;
unsigned int i;
@@ -845,7 +877,7 @@ static void ath9k_hw_9271_pa_cal(struct ath_hw *ah)
REG_RMW_FIELD(ah, AR9285_AN_RF2G6, AR9271_AN_RF2G6_OFFS, 0);
/* find off_6_1; */
- for (i = 6; i >= 0; i--) {
+ for (i = 6; i > 0; i--) {
regVal = REG_READ(ah, 0x7834);
regVal |= (1 << (20 + i));
REG_WRITE(ah, 0x7834, regVal);
@@ -857,10 +889,19 @@ static void ath9k_hw_9271_pa_cal(struct ath_hw *ah)
REG_WRITE(ah, 0x7834, regVal);
}
- /* Empirical offset correction */
-#if 0
- REG_RMW_FIELD(ah, AR9285_AN_RF2G6, AR9271_AN_RF2G6_OFFS, 0x20);
-#endif
+ regVal = (regVal >>20) & 0x7f;
+
+ /* Update PA cal info */
+ if ((!is_reset) && (ah->pacal_info.prev_offset == regVal)) {
+ if (ah->pacal_info.max_skipcount < MAX_PACAL_SKIPCOUNT)
+ ah->pacal_info.max_skipcount =
+ 2 * ah->pacal_info.max_skipcount;
+ ah->pacal_info.skipcount = ah->pacal_info.max_skipcount;
+ } else {
+ ah->pacal_info.max_skipcount = 1;
+ ah->pacal_info.skipcount = 0;
+ ah->pacal_info.prev_offset = regVal;
+ }
regVal = REG_READ(ah, 0x7834);
regVal |= 0x1;
@@ -875,7 +916,7 @@ static void ath9k_hw_9271_pa_cal(struct ath_hw *ah)
static inline void ath9k_hw_9285_pa_cal(struct ath_hw *ah, bool is_reset)
{
-
+ struct ath_common *common = ath9k_hw_common(ah);
u32 regVal;
int i, offset, offs_6_1, offs_0;
u32 ccomp_org, reg_field;
@@ -889,7 +930,7 @@ static inline void ath9k_hw_9285_pa_cal(struct ath_hw *ah, bool is_reset)
{ 0x7838, 0 },
};
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE, "Running PA Calibration\n");
+ ath_print(common, ATH_DBG_CALIBRATE, "Running PA Calibration\n");
/* PA CAL is not needed for high power solution */
if (ah->eep_ops->get_eeprom(ah, EEP_TXGAIN_TYPE) ==
@@ -1011,7 +1052,7 @@ bool ath9k_hw_calibrate(struct ath_hw *ah, struct ath9k_channel *chan,
if (longcal) {
/* Do periodic PAOffset Cal */
if (AR_SREV_9271(ah))
- ath9k_hw_9271_pa_cal(ah);
+ ath9k_hw_9271_pa_cal(ah, false);
else if (AR_SREV_9285_11_OR_LATER(ah)) {
if (!ah->pacal_info.skipcount)
ath9k_hw_9285_pa_cal(ah, false);
@@ -1036,9 +1077,13 @@ bool ath9k_hw_calibrate(struct ath_hw *ah, struct ath9k_channel *chan,
return iscaldone;
}
+EXPORT_SYMBOL(ath9k_hw_calibrate);
+/* Carrier leakage Calibration fix */
static bool ar9285_clc(struct ath_hw *ah, struct ath9k_channel *chan)
{
+ struct ath_common *common = ath9k_hw_common(ah);
+
REG_SET_BIT(ah, AR_PHY_CL_CAL_CTL, AR_PHY_CL_CAL_ENABLE);
if (IS_CHAN_HT20(chan)) {
REG_SET_BIT(ah, AR_PHY_CL_CAL_CTL, AR_PHY_PARALLEL_CAL_ENABLE);
@@ -1049,9 +1094,9 @@ static bool ar9285_clc(struct ath_hw *ah, struct ath9k_channel *chan)
REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_CAL);
if (!ath9k_hw_wait(ah, AR_PHY_AGC_CONTROL,
AR_PHY_AGC_CONTROL_CAL, 0, AH_WAIT_TIMEOUT)) {
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE, "offset "
- "calibration failed to complete in "
- "1ms; noisy ??\n");
+ ath_print(common, ATH_DBG_CALIBRATE, "offset "
+ "calibration failed to complete in "
+ "1ms; noisy ??\n");
return false;
}
REG_CLR_BIT(ah, AR_PHY_TURBO, AR_PHY_FC_DYN2040_EN);
@@ -1064,8 +1109,8 @@ static bool ar9285_clc(struct ath_hw *ah, struct ath9k_channel *chan)
REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_CAL);
if (!ath9k_hw_wait(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_CAL,
0, AH_WAIT_TIMEOUT)) {
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE, "offset calibration "
- "failed to complete in 1ms; noisy ??\n");
+ ath_print(common, ATH_DBG_CALIBRATE, "offset calibration "
+ "failed to complete in 1ms; noisy ??\n");
return false;
}
@@ -1078,7 +1123,9 @@ static bool ar9285_clc(struct ath_hw *ah, struct ath9k_channel *chan)
bool ath9k_hw_init_cal(struct ath_hw *ah, struct ath9k_channel *chan)
{
- if (AR_SREV_9285_12_OR_LATER(ah)) {
+ struct ath_common *common = ath9k_hw_common(ah);
+
+ if (AR_SREV_9271(ah) || AR_SREV_9285_12_OR_LATER(ah)) {
if (!ar9285_clc(ah, chan))
return false;
} else {
@@ -1098,9 +1145,9 @@ bool ath9k_hw_init_cal(struct ath_hw *ah, struct ath9k_channel *chan)
/* Poll for offset calibration complete */
if (!ath9k_hw_wait(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_CAL,
0, AH_WAIT_TIMEOUT)) {
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "offset calibration failed to complete in 1ms; "
- "noisy environment?\n");
+ ath_print(common, ATH_DBG_CALIBRATE,
+ "offset calibration failed to "
+ "complete in 1ms; noisy environment?\n");
return false;
}
@@ -1114,7 +1161,9 @@ bool ath9k_hw_init_cal(struct ath_hw *ah, struct ath9k_channel *chan)
}
/* Do PA Calibration */
- if (AR_SREV_9285_11_OR_LATER(ah))
+ if (AR_SREV_9271(ah))
+ ath9k_hw_9271_pa_cal(ah, true);
+ else if (AR_SREV_9285_11_OR_LATER(ah))
ath9k_hw_9285_pa_cal(ah, true);
/* Do NF Calibration after DC offset and other calibrations */
@@ -1128,20 +1177,20 @@ bool ath9k_hw_init_cal(struct ath_hw *ah, struct ath9k_channel *chan)
if (ath9k_hw_iscal_supported(ah, ADC_GAIN_CAL)) {
INIT_CAL(&ah->adcgain_caldata);
INSERT_CAL(ah, &ah->adcgain_caldata);
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "enabling ADC Gain Calibration.\n");
+ ath_print(common, ATH_DBG_CALIBRATE,
+ "enabling ADC Gain Calibration.\n");
}
if (ath9k_hw_iscal_supported(ah, ADC_DC_CAL)) {
INIT_CAL(&ah->adcdc_caldata);
INSERT_CAL(ah, &ah->adcdc_caldata);
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "enabling ADC DC Calibration.\n");
+ ath_print(common, ATH_DBG_CALIBRATE,
+ "enabling ADC DC Calibration.\n");
}
if (ath9k_hw_iscal_supported(ah, IQ_MISMATCH_CAL)) {
INIT_CAL(&ah->iq_caldata);
INSERT_CAL(ah, &ah->iq_caldata);
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "enabling IQ Calibration.\n");
+ ath_print(common, ATH_DBG_CALIBRATE,
+ "enabling IQ Calibration.\n");
}
ah->cal_list_curr = ah->cal_list;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.