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path: root/drivers/net/wireless/ath9k/calib.c
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Diffstat (limited to 'drivers/net/wireless/ath9k/calib.c')
-rw-r--r--drivers/net/wireless/ath9k/calib.c555
1 files changed, 297 insertions, 258 deletions
diff --git a/drivers/net/wireless/ath9k/calib.c b/drivers/net/wireless/ath9k/calib.c
index 3c7454fc51bd..e2d62e97131c 100644
--- a/drivers/net/wireless/ath9k/calib.c
+++ b/drivers/net/wireless/ath9k/calib.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2008 Atheros Communications Inc.
+ * Copyright (c) 2008-2009 Atheros Communications Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
@@ -14,12 +14,7 @@
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
-#include "core.h"
-#include "hw.h"
-#include "reg.h"
-#include "phy.h"
-
-static const int16_t NOISE_FLOOR[] = { -96, -93, -98, -96, -93, -96 };
+#include "ath9k.h"
/* We can tune this as we go by monitoring really low values */
#define ATH9K_NF_TOO_LOW -60
@@ -28,7 +23,7 @@ static const int16_t NOISE_FLOOR[] = { -96, -93, -98, -96, -93, -96 };
* is incorrect and we should use the static NF value. Later we can try to
* find out why they are reporting these values */
-static bool ath9k_hw_nf_in_range(struct ath_hal *ah, s16 nf)
+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,
@@ -91,7 +86,7 @@ static void ath9k_hw_update_nfcal_hist_buffer(struct ath9k_nfcal_hist *h,
return;
}
-static void ath9k_hw_do_getnf(struct ath_hal *ah,
+static void ath9k_hw_do_getnf(struct ath_hw *ah,
int16_t nfarray[NUM_NF_READINGS])
{
int16_t nf;
@@ -107,27 +102,29 @@ static void ath9k_hw_do_getnf(struct ath_hal *ah,
"NF calibrated [ctl] [chain 0] is %d\n", nf);
nfarray[0] = nf;
- if (AR_SREV_9280_10_OR_LATER(ah))
- nf = MS(REG_READ(ah, AR_PHY_CH1_CCA),
- AR9280_PHY_CH1_MINCCA_PWR);
- else
- nf = MS(REG_READ(ah, AR_PHY_CH1_CCA),
- AR_PHY_CH1_MINCCA_PWR);
-
- if (nf & 0x100)
- nf = 0 - ((nf ^ 0x1ff) + 1);
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "NF calibrated [ctl] [chain 1] is %d\n", nf);
- nfarray[1] = nf;
+ if (!AR_SREV_9285(ah)) {
+ if (AR_SREV_9280_10_OR_LATER(ah))
+ nf = MS(REG_READ(ah, AR_PHY_CH1_CCA),
+ AR9280_PHY_CH1_MINCCA_PWR);
+ else
+ nf = MS(REG_READ(ah, AR_PHY_CH1_CCA),
+ AR_PHY_CH1_MINCCA_PWR);
- if (!AR_SREV_9280(ah)) {
- nf = MS(REG_READ(ah, AR_PHY_CH2_CCA),
- 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);
- nfarray[2] = nf;
+ "NF calibrated [ctl] [chain 1] is %d\n", nf);
+ nfarray[1] = nf;
+
+ if (!AR_SREV_9280(ah)) {
+ nf = MS(REG_READ(ah, AR_PHY_CH2_CCA),
+ 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);
+ nfarray[2] = nf;
+ }
}
if (AR_SREV_9280_10_OR_LATER(ah))
@@ -143,58 +140,52 @@ static void ath9k_hw_do_getnf(struct ath_hal *ah,
"NF calibrated [ext] [chain 0] is %d\n", nf);
nfarray[3] = nf;
- if (AR_SREV_9280_10_OR_LATER(ah))
- nf = MS(REG_READ(ah, AR_PHY_CH1_EXT_CCA),
- AR9280_PHY_CH1_EXT_MINCCA_PWR);
- else
- nf = MS(REG_READ(ah, AR_PHY_CH1_EXT_CCA),
- AR_PHY_CH1_EXT_MINCCA_PWR);
-
- if (nf & 0x100)
- nf = 0 - ((nf ^ 0x1ff) + 1);
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "NF calibrated [ext] [chain 1] is %d\n", nf);
- nfarray[4] = nf;
+ if (!AR_SREV_9285(ah)) {
+ if (AR_SREV_9280_10_OR_LATER(ah))
+ nf = MS(REG_READ(ah, AR_PHY_CH1_EXT_CCA),
+ AR9280_PHY_CH1_EXT_MINCCA_PWR);
+ else
+ nf = MS(REG_READ(ah, AR_PHY_CH1_EXT_CCA),
+ AR_PHY_CH1_EXT_MINCCA_PWR);
- if (!AR_SREV_9280(ah)) {
- nf = MS(REG_READ(ah, AR_PHY_CH2_EXT_CCA),
- 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);
- nfarray[5] = nf;
+ "NF calibrated [ext] [chain 1] is %d\n", nf);
+ nfarray[4] = nf;
+
+ if (!AR_SREV_9280(ah)) {
+ nf = MS(REG_READ(ah, AR_PHY_CH2_EXT_CCA),
+ 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);
+ nfarray[5] = nf;
+ }
}
}
-static bool getNoiseFloorThresh(struct ath_hal *ah,
- const struct ath9k_channel *chan,
+static bool getNoiseFloorThresh(struct ath_hw *ah,
+ enum ieee80211_band band,
int16_t *nft)
{
- switch (chan->chanmode) {
- case CHANNEL_A:
- case CHANNEL_A_HT20:
- case CHANNEL_A_HT40PLUS:
- case CHANNEL_A_HT40MINUS:
- *nft = (int8_t)ath9k_hw_get_eeprom(ah, EEP_NFTHRESH_5);
+ switch (band) {
+ case IEEE80211_BAND_5GHZ:
+ *nft = (int8_t)ah->eep_ops->get_eeprom(ah, EEP_NFTHRESH_5);
break;
- case CHANNEL_B:
- case CHANNEL_G:
- case CHANNEL_G_HT20:
- case CHANNEL_G_HT40PLUS:
- case CHANNEL_G_HT40MINUS:
- *nft = (int8_t)ath9k_hw_get_eeprom(ah, EEP_NFTHRESH_2);
+ case IEEE80211_BAND_2GHZ:
+ *nft = (int8_t)ah->eep_ops->get_eeprom(ah, EEP_NFTHRESH_2);
break;
default:
- DPRINTF(ah->ah_sc, ATH_DBG_CHANNEL,
- "invalid channel flags 0x%x\n", chan->channelFlags);
+ BUG_ON(1);
return false;
}
return true;
}
-static void ath9k_hw_setup_calibration(struct ath_hal *ah,
+static void ath9k_hw_setup_calibration(struct ath_hw *ah,
struct hal_cal_list *currCal)
{
REG_RMW_FIELD(ah, AR_PHY_TIMING_CTRL4(0),
@@ -228,10 +219,9 @@ static void ath9k_hw_setup_calibration(struct ath_hal *ah,
AR_PHY_TIMING_CTRL4_DO_CAL);
}
-static void ath9k_hw_reset_calibration(struct ath_hal *ah,
+static void ath9k_hw_reset_calibration(struct ath_hw *ah,
struct hal_cal_list *currCal)
{
- struct ath_hal_5416 *ahp = AH5416(ah);
int i;
ath9k_hw_setup_calibration(ah, currCal);
@@ -239,23 +229,21 @@ static void ath9k_hw_reset_calibration(struct ath_hal *ah,
currCal->calState = CAL_RUNNING;
for (i = 0; i < AR5416_MAX_CHAINS; i++) {
- ahp->ah_Meas0.sign[i] = 0;
- ahp->ah_Meas1.sign[i] = 0;
- ahp->ah_Meas2.sign[i] = 0;
- ahp->ah_Meas3.sign[i] = 0;
+ ah->meas0.sign[i] = 0;
+ ah->meas1.sign[i] = 0;
+ ah->meas2.sign[i] = 0;
+ ah->meas3.sign[i] = 0;
}
- ahp->ah_CalSamples = 0;
+ ah->cal_samples = 0;
}
-static void ath9k_hw_per_calibration(struct ath_hal *ah,
+static void ath9k_hw_per_calibration(struct ath_hw *ah,
struct ath9k_channel *ichan,
u8 rxchainmask,
struct hal_cal_list *currCal,
bool *isCalDone)
{
- struct ath_hal_5416 *ahp = AH5416(ah);
-
*isCalDone = false;
if (currCal->calState == CAL_RUNNING) {
@@ -263,9 +251,9 @@ static void ath9k_hw_per_calibration(struct ath_hal *ah,
AR_PHY_TIMING_CTRL4_DO_CAL)) {
currCal->calData->calCollect(ah);
- ahp->ah_CalSamples++;
+ ah->cal_samples++;
- if (ahp->ah_CalSamples >= currCal->calData->calNumSamples) {
+ if (ah->cal_samples >= currCal->calData->calNumSamples) {
int i, numChains = 0;
for (i = 0; i < AR5416_MAX_CHAINS; i++) {
if (rxchainmask & (1 << i))
@@ -285,113 +273,105 @@ static void ath9k_hw_per_calibration(struct ath_hal *ah,
}
}
-static bool ath9k_hw_iscal_supported(struct ath_hal *ah,
- struct ath9k_channel *chan,
+/* Assumes you are talking about the currently configured channel */
+static bool ath9k_hw_iscal_supported(struct ath_hw *ah,
enum hal_cal_types calType)
{
- struct ath_hal_5416 *ahp = AH5416(ah);
- bool retval = false;
+ struct ieee80211_conf *conf = &ah->ah_sc->hw->conf;
- switch (calType & ahp->ah_suppCals) {
- case IQ_MISMATCH_CAL:
- if (!IS_CHAN_B(chan))
- retval = true;
- break;
+ switch (calType & ah->supp_cals) {
+ case IQ_MISMATCH_CAL: /* Both 2 GHz and 5 GHz support OFDM */
+ return true;
case ADC_GAIN_CAL:
case ADC_DC_CAL:
- if (!IS_CHAN_B(chan)
- && !(IS_CHAN_2GHZ(chan) && IS_CHAN_HT20(chan)))
- retval = true;
+ if (conf->channel->band == IEEE80211_BAND_5GHZ &&
+ conf_is_ht20(conf))
+ return true;
break;
}
-
- return retval;
+ return false;
}
-static void ath9k_hw_iqcal_collect(struct ath_hal *ah)
+static void ath9k_hw_iqcal_collect(struct ath_hw *ah)
{
- struct ath_hal_5416 *ahp = AH5416(ah);
int i;
for (i = 0; i < AR5416_MAX_CHAINS; i++) {
- ahp->ah_totalPowerMeasI[i] +=
+ ah->totalPowerMeasI[i] +=
REG_READ(ah, AR_PHY_CAL_MEAS_0(i));
- ahp->ah_totalPowerMeasQ[i] +=
+ ah->totalPowerMeasQ[i] +=
REG_READ(ah, AR_PHY_CAL_MEAS_1(i));
- ahp->ah_totalIqCorrMeas[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",
- ahp->ah_CalSamples, i, ahp->ah_totalPowerMeasI[i],
- ahp->ah_totalPowerMeasQ[i],
- ahp->ah_totalIqCorrMeas[i]);
+ ah->cal_samples, i, ah->totalPowerMeasI[i],
+ ah->totalPowerMeasQ[i],
+ ah->totalIqCorrMeas[i]);
}
}
-static void ath9k_hw_adc_gaincal_collect(struct ath_hal *ah)
+static void ath9k_hw_adc_gaincal_collect(struct ath_hw *ah)
{
- struct ath_hal_5416 *ahp = AH5416(ah);
int i;
for (i = 0; i < AR5416_MAX_CHAINS; i++) {
- ahp->ah_totalAdcIOddPhase[i] +=
+ ah->totalAdcIOddPhase[i] +=
REG_READ(ah, AR_PHY_CAL_MEAS_0(i));
- ahp->ah_totalAdcIEvenPhase[i] +=
+ ah->totalAdcIEvenPhase[i] +=
REG_READ(ah, AR_PHY_CAL_MEAS_1(i));
- ahp->ah_totalAdcQOddPhase[i] +=
+ ah->totalAdcQOddPhase[i] +=
REG_READ(ah, AR_PHY_CAL_MEAS_2(i));
- ahp->ah_totalAdcQEvenPhase[i] +=
+ 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",
- ahp->ah_CalSamples, i,
- ahp->ah_totalAdcIOddPhase[i],
- ahp->ah_totalAdcIEvenPhase[i],
- ahp->ah_totalAdcQOddPhase[i],
- ahp->ah_totalAdcQEvenPhase[i]);
+ ah->cal_samples, i,
+ ah->totalAdcIOddPhase[i],
+ ah->totalAdcIEvenPhase[i],
+ ah->totalAdcQOddPhase[i],
+ ah->totalAdcQEvenPhase[i]);
}
}
-static void ath9k_hw_adc_dccal_collect(struct ath_hal *ah)
+static void ath9k_hw_adc_dccal_collect(struct ath_hw *ah)
{
- struct ath_hal_5416 *ahp = AH5416(ah);
int i;
for (i = 0; i < AR5416_MAX_CHAINS; i++) {
- ahp->ah_totalAdcDcOffsetIOddPhase[i] +=
+ ah->totalAdcDcOffsetIOddPhase[i] +=
(int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_0(i));
- ahp->ah_totalAdcDcOffsetIEvenPhase[i] +=
+ ah->totalAdcDcOffsetIEvenPhase[i] +=
(int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_1(i));
- ahp->ah_totalAdcDcOffsetQOddPhase[i] +=
+ ah->totalAdcDcOffsetQOddPhase[i] +=
(int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_2(i));
- ahp->ah_totalAdcDcOffsetQEvenPhase[i] +=
+ 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",
- ahp->ah_CalSamples, i,
- ahp->ah_totalAdcDcOffsetIOddPhase[i],
- ahp->ah_totalAdcDcOffsetIEvenPhase[i],
- ahp->ah_totalAdcDcOffsetQOddPhase[i],
- ahp->ah_totalAdcDcOffsetQEvenPhase[i]);
+ ah->cal_samples, i,
+ ah->totalAdcDcOffsetIOddPhase[i],
+ ah->totalAdcDcOffsetIEvenPhase[i],
+ ah->totalAdcDcOffsetQOddPhase[i],
+ ah->totalAdcDcOffsetQEvenPhase[i]);
}
}
-static void ath9k_hw_iqcalibrate(struct ath_hal *ah, u8 numChains)
+static void ath9k_hw_iqcalibrate(struct ath_hw *ah, u8 numChains)
{
- struct ath_hal_5416 *ahp = AH5416(ah);
u32 powerMeasQ, powerMeasI, iqCorrMeas;
u32 qCoffDenom, iCoffDenom;
int32_t qCoff, iCoff;
int iqCorrNeg, i;
for (i = 0; i < numChains; i++) {
- powerMeasI = ahp->ah_totalPowerMeasI[i];
- powerMeasQ = ahp->ah_totalPowerMeasQ[i];
- iqCorrMeas = ahp->ah_totalIqCorrMeas[i];
+ powerMeasI = ah->totalPowerMeasI[i];
+ powerMeasQ = ah->totalPowerMeasQ[i];
+ iqCorrMeas = ah->totalIqCorrMeas[i];
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"Starting IQ Cal and Correction for Chain %d\n",
@@ -399,7 +379,7 @@ static void ath9k_hw_iqcalibrate(struct ath_hal *ah, u8 numChains)
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"Orignal: Chn %diq_corr_meas = 0x%08x\n",
- i, ahp->ah_totalIqCorrMeas[i]);
+ i, ah->totalIqCorrMeas[i]);
iqCorrNeg = 0;
@@ -457,17 +437,16 @@ static void ath9k_hw_iqcalibrate(struct ath_hal *ah, u8 numChains)
AR_PHY_TIMING_CTRL4_IQCORR_ENABLE);
}
-static void ath9k_hw_adc_gaincal_calibrate(struct ath_hal *ah, u8 numChains)
+static void ath9k_hw_adc_gaincal_calibrate(struct ath_hw *ah, u8 numChains)
{
- struct ath_hal_5416 *ahp = AH5416(ah);
u32 iOddMeasOffset, iEvenMeasOffset, qOddMeasOffset, qEvenMeasOffset;
u32 qGainMismatch, iGainMismatch, val, i;
for (i = 0; i < numChains; i++) {
- iOddMeasOffset = ahp->ah_totalAdcIOddPhase[i];
- iEvenMeasOffset = ahp->ah_totalAdcIEvenPhase[i];
- qOddMeasOffset = ahp->ah_totalAdcQOddPhase[i];
- qEvenMeasOffset = ahp->ah_totalAdcQEvenPhase[i];
+ iOddMeasOffset = ah->totalAdcIOddPhase[i];
+ iEvenMeasOffset = ah->totalAdcIEvenPhase[i];
+ qOddMeasOffset = ah->totalAdcQOddPhase[i];
+ qEvenMeasOffset = ah->totalAdcQEvenPhase[i];
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"Starting ADC Gain Cal for Chain %d\n", i);
@@ -515,21 +494,20 @@ static void ath9k_hw_adc_gaincal_calibrate(struct ath_hal *ah, u8 numChains)
AR_PHY_NEW_ADC_GAIN_CORR_ENABLE);
}
-static void ath9k_hw_adc_dccal_calibrate(struct ath_hal *ah, u8 numChains)
+static void ath9k_hw_adc_dccal_calibrate(struct ath_hw *ah, u8 numChains)
{
- struct ath_hal_5416 *ahp = AH5416(ah);
u32 iOddMeasOffset, iEvenMeasOffset, val, i;
int32_t qOddMeasOffset, qEvenMeasOffset, qDcMismatch, iDcMismatch;
const struct hal_percal_data *calData =
- ahp->ah_cal_list_curr->calData;
+ ah->cal_list_curr->calData;
u32 numSamples =
(1 << (calData->calCountMax + 5)) * calData->calNumSamples;
for (i = 0; i < numChains; i++) {
- iOddMeasOffset = ahp->ah_totalAdcDcOffsetIOddPhase[i];
- iEvenMeasOffset = ahp->ah_totalAdcDcOffsetIEvenPhase[i];
- qOddMeasOffset = ahp->ah_totalAdcDcOffsetQOddPhase[i];
- qEvenMeasOffset = ahp->ah_totalAdcDcOffsetQEvenPhase[i];
+ iOddMeasOffset = ah->totalAdcDcOffsetIOddPhase[i];
+ iEvenMeasOffset = ah->totalAdcDcOffsetIEvenPhase[i];
+ 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);
@@ -573,53 +551,42 @@ static void ath9k_hw_adc_dccal_calibrate(struct ath_hal *ah, u8 numChains)
AR_PHY_NEW_ADC_DC_OFFSET_CORR_ENABLE);
}
-void ath9k_hw_reset_calvalid(struct ath_hal *ah, struct ath9k_channel *chan,
- bool *isCalDone)
+/* This is done for the currently configured channel */
+bool ath9k_hw_reset_calvalid(struct ath_hw *ah)
{
- struct ath_hal_5416 *ahp = AH5416(ah);
- struct ath9k_channel *ichan =
- ath9k_regd_check_channel(ah, chan);
- struct hal_cal_list *currCal = ahp->ah_cal_list_curr;
+ struct ieee80211_conf *conf = &ah->ah_sc->hw->conf;
+ struct hal_cal_list *currCal = ah->cal_list_curr;
- *isCalDone = true;
+ if (!ah->curchan)
+ return true;
if (!AR_SREV_9100(ah) && !AR_SREV_9160_10_OR_LATER(ah))
- return;
+ return true;
if (currCal == NULL)
- return;
-
- if (ichan == NULL) {
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "invalid channel %u/0x%x; no mapping\n",
- chan->channel, chan->channelFlags);
- return;
- }
-
+ return true;
if (currCal->calState != CAL_DONE) {
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"Calibration state incorrect, %d\n",
currCal->calState);
- return;
+ return true;
}
-
- if (!ath9k_hw_iscal_supported(ah, chan, currCal->calData->calType))
- return;
+ 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/0x%x\n",
- currCal->calData->calType, chan->channel,
- chan->channelFlags);
+ "Resetting Cal %d state for channel %u\n",
+ currCal->calData->calType, conf->channel->center_freq);
- ichan->CalValid &= ~currCal->calData->calType;
+ ah->curchan->CalValid &= ~currCal->calData->calType;
currCal->calState = CAL_WAITING;
- *isCalDone = false;
+ return false;
}
-void ath9k_hw_start_nfcal(struct ath_hal *ah)
+void ath9k_hw_start_nfcal(struct ath_hw *ah)
{
REG_SET_BIT(ah, AR_PHY_AGC_CONTROL,
AR_PHY_AGC_CONTROL_ENABLE_NF);
@@ -628,7 +595,7 @@ void ath9k_hw_start_nfcal(struct ath_hal *ah)
REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_NF);
}
-void ath9k_hw_loadnf(struct ath_hal *ah, struct ath9k_channel *chan)
+void ath9k_hw_loadnf(struct ath_hw *ah, struct ath9k_channel *chan)
{
struct ath9k_nfcal_hist *h;
int i, j;
@@ -643,16 +610,14 @@ void ath9k_hw_loadnf(struct ath_hal *ah, struct ath9k_channel *chan)
};
u8 chainmask;
- if (AR_SREV_9280(ah))
+ if (AR_SREV_9285(ah))
+ chainmask = 0x9;
+ else if (AR_SREV_9280(ah))
chainmask = 0x1B;
else
chainmask = 0x3F;
-#ifdef ATH_NF_PER_CHAN
- h = chan->nfCalHist;
-#else
h = ah->nfCalHist;
-#endif
for (i = 0; i < NUM_NF_READINGS; i++) {
if (chainmask & (1 << i)) {
@@ -686,18 +651,13 @@ void ath9k_hw_loadnf(struct ath_hal *ah, struct ath9k_channel *chan)
}
}
-int16_t ath9k_hw_getnf(struct ath_hal *ah,
+int16_t ath9k_hw_getnf(struct ath_hw *ah,
struct ath9k_channel *chan)
{
int16_t nf, nfThresh;
int16_t nfarray[NUM_NF_READINGS] = { 0 };
struct ath9k_nfcal_hist *h;
- u8 chainmask;
-
- if (AR_SREV_9280(ah))
- chainmask = 0x1B;
- else
- chainmask = 0x3F;
+ struct ieee80211_channel *c = chan->chan;
chan->channelFlags &= (~CHANNEL_CW_INT);
if (REG_READ(ah, AR_PHY_AGC_CONTROL) & AR_PHY_AGC_CONTROL_NF) {
@@ -709,7 +669,7 @@ int16_t ath9k_hw_getnf(struct ath_hal *ah,
} else {
ath9k_hw_do_getnf(ah, nfarray);
nf = nfarray[0];
- if (getNoiseFloorThresh(ah, chan, &nfThresh)
+ if (getNoiseFloorThresh(ah, c->band, &nfThresh)
&& nf > nfThresh) {
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"noise floor failed detected; "
@@ -719,11 +679,7 @@ int16_t ath9k_hw_getnf(struct ath_hal *ah,
}
}
-#ifdef ATH_NF_PER_CHAN
- h = chan->nfCalHist;
-#else
h = ah->nfCalHist;
-#endif
ath9k_hw_update_nfcal_hist_buffer(h, nfarray);
chan->rawNoiseFloor = h[0].privNF;
@@ -731,7 +687,7 @@ int16_t ath9k_hw_getnf(struct ath_hal *ah,
return chan->rawNoiseFloor;
}
-void ath9k_init_nfcal_hist_buffer(struct ath_hal *ah)
+void ath9k_init_nfcal_hist_buffer(struct ath_hw *ah)
{
int i, j;
@@ -745,26 +701,16 @@ void ath9k_init_nfcal_hist_buffer(struct ath_hal *ah)
AR_PHY_CCA_MAX_GOOD_VALUE;
}
}
- return;
}
-s16 ath9k_hw_getchan_noise(struct ath_hal *ah, struct ath9k_channel *chan)
+s16 ath9k_hw_getchan_noise(struct ath_hw *ah, struct ath9k_channel *chan)
{
- struct ath9k_channel *ichan;
s16 nf;
- ichan = ath9k_regd_check_channel(ah, chan);
- if (ichan == NULL) {
- DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
- "invalid channel %u/0x%x; no mapping\n",
- chan->channel, chan->channelFlags);
- return ATH_DEFAULT_NOISE_FLOOR;
- }
- if (ichan->rawNoiseFloor == 0) {
- enum wireless_mode mode = ath9k_hw_chan2wmode(ah, chan);
- nf = NOISE_FLOOR[mode];
- } else
- nf = ichan->rawNoiseFloor;
+ if (chan->rawNoiseFloor == 0)
+ nf = -96;
+ else
+ nf = chan->rawNoiseFloor;
if (!ath9k_hw_nf_in_range(ah, nf))
nf = ATH_DEFAULT_NOISE_FLOOR;
@@ -772,53 +718,34 @@ s16 ath9k_hw_getchan_noise(struct ath_hal *ah, struct ath9k_channel *chan)
return nf;
}
-bool ath9k_hw_calibrate(struct ath_hal *ah, struct ath9k_channel *chan,
- u8 rxchainmask, bool longcal,
- bool *isCalDone)
+static void ath9k_olc_temp_compensation(struct ath_hw *ah)
{
- struct ath_hal_5416 *ahp = AH5416(ah);
- struct hal_cal_list *currCal = ahp->ah_cal_list_curr;
- struct ath9k_channel *ichan = ath9k_regd_check_channel(ah, chan);
+ u32 rddata, i;
+ int delta, currPDADC, regval;
- *isCalDone = true;
+ rddata = REG_READ(ah, AR_PHY_TX_PWRCTRL4);
- if (ichan == NULL) {
- DPRINTF(ah->ah_sc, ATH_DBG_CHANNEL,
- "invalid channel %u/0x%x; no mapping\n",
- chan->channel, chan->channelFlags);
- return false;
- }
+ currPDADC = MS(rddata, AR_PHY_TX_PWRCTRL_PD_AVG_OUT);
- if (currCal &&
- (currCal->calState == CAL_RUNNING ||
- currCal->calState == CAL_WAITING)) {
- ath9k_hw_per_calibration(ah, ichan, rxchainmask, currCal,
- isCalDone);
- if (*isCalDone) {
- ahp->ah_cal_list_curr = currCal = currCal->calNext;
-
- if (currCal->calState == CAL_WAITING) {
- *isCalDone = false;
- ath9k_hw_reset_calibration(ah, currCal);
- }
- }
- }
+ 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 (longcal) {
- ath9k_hw_getnf(ah, ichan);
- ath9k_hw_loadnf(ah, ah->ah_curchan);
- ath9k_hw_start_nfcal(ah);
+ 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;
- if ((ichan->channelFlags & CHANNEL_CW_INT) != 0) {
- chan->channelFlags |= CHANNEL_CW_INT;
- ichan->channelFlags &= ~CHANNEL_CW_INT;
+ REG_RMW_FIELD(ah, AR_PHY_TX_GAIN_TBL1 + i * 4,
+ AR_PHY_TX_GAIN, regval);
}
}
-
- return true;
}
-static inline void ath9k_hw_9285_pa_cal(struct ath_hal *ah)
+static inline void ath9k_hw_9285_pa_cal(struct ath_hw *ah)
{
u32 regVal;
@@ -913,59 +840,171 @@ static inline void ath9k_hw_9285_pa_cal(struct ath_hal *ah)
}
-bool ath9k_hw_init_cal(struct ath_hal *ah,
+bool ath9k_hw_calibrate(struct ath_hw *ah, struct ath9k_channel *chan,
+ u8 rxchainmask, bool longcal,
+ bool *isCalDone)
+{
+ struct hal_cal_list *currCal = ah->cal_list_curr;
+
+ *isCalDone = true;
+
+ if (currCal &&
+ (currCal->calState == CAL_RUNNING ||
+ currCal->calState == CAL_WAITING)) {
+ ath9k_hw_per_calibration(ah, chan, rxchainmask, currCal,
+ isCalDone);
+ if (*isCalDone) {
+ ah->cal_list_curr = currCal = currCal->calNext;
+
+ if (currCal->calState == CAL_WAITING) {
+ *isCalDone = false;
+ ath9k_hw_reset_calibration(ah, currCal);
+ }
+ }
+ }
+
+ if (longcal) {
+ if (AR_SREV_9285(ah) && AR_SREV_9285_11_OR_LATER(ah))
+ ath9k_hw_9285_pa_cal(ah);
+
+ if (OLC_FOR_AR9280_20_LATER)
+ ath9k_olc_temp_compensation(ah);
+ ath9k_hw_getnf(ah, chan);
+ ath9k_hw_loadnf(ah, ah->curchan);
+ ath9k_hw_start_nfcal(ah);
+
+ if (chan->channelFlags & CHANNEL_CW_INT)
+ chan->channelFlags &= ~CHANNEL_CW_INT;
+ }
+
+ return true;
+}
+
+static bool ar9285_clc(struct ath_hw *ah, struct ath9k_channel *chan)
+{
+ REG_SET_BIT(ah, AR_PHY_CL_CAL_CTL, AR_PHY_CL_CAL_ENABLE);
+ if (chan->channelFlags & CHANNEL_HT20) {
+ REG_SET_BIT(ah, AR_PHY_CL_CAL_CTL, AR_PHY_PARALLEL_CAL_ENABLE);
+ REG_SET_BIT(ah, AR_PHY_TURBO, AR_PHY_FC_DYN2040_EN);
+ REG_CLR_BIT(ah, AR_PHY_AGC_CONTROL,
+ AR_PHY_AGC_CONTROL_FLTR_CAL);
+ REG_CLR_BIT(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_PD_CAL_ENABLE);
+ 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");
+ return false;
+ }
+ REG_CLR_BIT(ah, AR_PHY_TURBO, AR_PHY_FC_DYN2040_EN);
+ REG_CLR_BIT(ah, AR_PHY_CL_CAL_CTL, AR_PHY_PARALLEL_CAL_ENABLE);
+ REG_CLR_BIT(ah, AR_PHY_CL_CAL_CTL, AR_PHY_CL_CAL_ENABLE);
+ }
+ REG_CLR_BIT(ah, AR_PHY_ADC_CTL, AR_PHY_ADC_CTL_OFF_PWDADC);
+ REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_FLTR_CAL);
+ REG_SET_BIT(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_PD_CAL_ENABLE);
+ 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");
+ return false;
+ }
+
+ REG_SET_BIT(ah, AR_PHY_ADC_CTL, AR_PHY_ADC_CTL_OFF_PWDADC);
+ REG_CLR_BIT(ah, AR_PHY_CL_CAL_CTL, AR_PHY_CL_CAL_ENABLE);
+ REG_CLR_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_FLTR_CAL);
+
+ return true;
+}
+
+bool ath9k_hw_init_cal(struct ath_hw *ah,
struct ath9k_channel *chan)
{
- struct ath_hal_5416 *ahp = AH5416(ah);
- struct ath9k_channel *ichan = ath9k_regd_check_channel(ah, chan);
+ if (AR_SREV_9285(ah) && AR_SREV_9285_12_OR_LATER(ah)) {
+ if (!ar9285_clc(ah, chan))
+ return false;
+ } else if (AR_SREV_9280_10_OR_LATER(ah)) {
+ REG_CLR_BIT(ah, AR_PHY_ADC_CTL, AR_PHY_ADC_CTL_OFF_PWDADC);
+ REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_FLTR_CAL);
+ REG_CLR_BIT(ah, AR_PHY_CL_CAL_CTL, AR_PHY_CL_CAL_ENABLE);
+
+ /* Kick off the cal */
+ REG_WRITE(ah, AR_PHY_AGC_CONTROL,
+ REG_READ(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 environment?\n");
+ return false;
+ }
+
+ REG_CLR_BIT(ah, AR_PHY_ADC_CTL, AR_PHY_ADC_CTL_OFF_PWDADC);
+ REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_FLTR_CAL);
+ REG_SET_BIT(ah, AR_PHY_CL_CAL_CTL, AR_PHY_CL_CAL_ENABLE);
+ }
+ /* Calibrate the AGC */
REG_WRITE(ah, AR_PHY_AGC_CONTROL,
- REG_READ(ah, AR_PHY_AGC_CONTROL) |
- AR_PHY_AGC_CONTROL_CAL);
+ REG_READ(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)) {
+ 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");
return false;
}
+ if (AR_SREV_9280_10_OR_LATER(ah)) {
+ REG_SET_BIT(ah, AR_PHY_ADC_CTL, AR_PHY_ADC_CTL_OFF_PWDADC);
+ REG_CLR_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_FLTR_CAL);
+ }
+
+ /* Do PA Calibration */
if (AR_SREV_9285(ah) && AR_SREV_9285_11_OR_LATER(ah))
ath9k_hw_9285_pa_cal(ah);
+ /* Do NF Calibration */
REG_WRITE(ah, AR_PHY_AGC_CONTROL,
- REG_READ(ah, AR_PHY_AGC_CONTROL) |
- AR_PHY_AGC_CONTROL_NF);
+ REG_READ(ah, AR_PHY_AGC_CONTROL) |
+ AR_PHY_AGC_CONTROL_NF);
- ahp->ah_cal_list = ahp->ah_cal_list_last = ahp->ah_cal_list_curr = NULL;
+ ah->cal_list = ah->cal_list_last = ah->cal_list_curr = NULL;
if (AR_SREV_9100(ah) || AR_SREV_9160_10_OR_LATER(ah)) {
- if (ath9k_hw_iscal_supported(ah, chan, ADC_GAIN_CAL)) {
- INIT_CAL(&ahp->ah_adcGainCalData);
- INSERT_CAL(ahp, &ahp->ah_adcGainCalData);
+ 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");
+ "enabling ADC Gain Calibration.\n");
}
- if (ath9k_hw_iscal_supported(ah, chan, ADC_DC_CAL)) {
- INIT_CAL(&ahp->ah_adcDcCalData);
- INSERT_CAL(ahp, &ahp->ah_adcDcCalData);
+ 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");
+ "enabling ADC DC Calibration.\n");
}
- if (ath9k_hw_iscal_supported(ah, chan, IQ_MISMATCH_CAL)) {
- INIT_CAL(&ahp->ah_iqCalData);
- INSERT_CAL(ahp, &ahp->ah_iqCalData);
+ 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");
+ "enabling IQ Calibration.\n");
}
- ahp->ah_cal_list_curr = ahp->ah_cal_list;
+ ah->cal_list_curr = ah->cal_list;
- if (ahp->ah_cal_list_curr)
- ath9k_hw_reset_calibration(ah, ahp->ah_cal_list_curr);
+ if (ah->cal_list_curr)
+ ath9k_hw_reset_calibration(ah, ah->cal_list_curr);
}
- ichan->CalValid = 0;
+ chan->CalValid = 0;
return true;
}