"NF calibrated [ctl] [chain 1] is %d\n", nf);
nfarray[1] = nf;
- if (!AR_SREV_9280(ah)) {
+ if (!AR_SREV_9280(ah) && !AR_SREV_9287(ah)) {
nf = MS(REG_READ(ah, AR_PHY_CH2_CCA),
AR_PHY_CH2_MINCCA_PWR);
if (nf & 0x100)
"NF calibrated [ext] [chain 1] is %d\n", nf);
nfarray[4] = nf;
- if (!AR_SREV_9280(ah)) {
+ if (!AR_SREV_9280(ah) && !AR_SREV_9287(ah)) {
nf = MS(REG_READ(ah, AR_PHY_CH2_EXT_CCA),
AR_PHY_CH2_EXT_MINCCA_PWR);
if (nf & 0x100)
}
static void ath9k_hw_setup_calibration(struct ath_hw *ah,
- struct hal_cal_list *currCal)
+ struct ath9k_cal_list *currCal)
{
REG_RMW_FIELD(ah, AR_PHY_TIMING_CTRL4(0),
AR_PHY_TIMING_CTRL4_IQCAL_LOG_COUNT_MAX,
}
static void ath9k_hw_reset_calibration(struct ath_hw *ah,
- struct hal_cal_list *currCal)
+ struct ath9k_cal_list *currCal)
{
int i;
ah->cal_samples = 0;
}
-static void ath9k_hw_per_calibration(struct ath_hw *ah,
+static bool ath9k_hw_per_calibration(struct ath_hw *ah,
struct ath9k_channel *ichan,
u8 rxchainmask,
- struct hal_cal_list *currCal,
- bool *isCalDone)
+ struct ath9k_cal_list *currCal)
{
- *isCalDone = false;
+ bool iscaldone = false;
if (currCal->calState == CAL_RUNNING) {
if (!(REG_READ(ah, AR_PHY_TIMING_CTRL4(0)) &
currCal->calData->calPostProc(ah, numChains);
ichan->CalValid |= currCal->calData->calType;
currCal->calState = CAL_DONE;
- *isCalDone = true;
+ iscaldone = true;
} else {
ath9k_hw_setup_calibration(ah, currCal);
}
} else if (!(ichan->CalValid & currCal->calData->calType)) {
ath9k_hw_reset_calibration(ah, currCal);
}
+
+ return iscaldone;
}
/* Assumes you are talking about the currently configured channel */
static bool ath9k_hw_iscal_supported(struct ath_hw *ah,
- enum hal_cal_types calType)
+ enum ath9k_cal_types calType)
{
struct ieee80211_conf *conf = &ah->ah_sc->hw->conf;
return true;
case ADC_GAIN_CAL:
case ADC_DC_CAL:
- if (conf->channel->band == IEEE80211_BAND_5GHZ &&
- conf_is_ht20(conf))
+ if (!(conf->channel->band == IEEE80211_BAND_2GHZ &&
+ conf_is_ht20(conf)))
return true;
break;
}
{
u32 iOddMeasOffset, iEvenMeasOffset, val, i;
int32_t qOddMeasOffset, qEvenMeasOffset, qDcMismatch, iDcMismatch;
- const struct hal_percal_data *calData =
+ const struct ath9k_percal_data *calData =
ah->cal_list_curr->calData;
u32 numSamples =
(1 << (calData->calCountMax + 5)) * calData->calNumSamples;
bool ath9k_hw_reset_calvalid(struct ath_hw *ah)
{
struct ieee80211_conf *conf = &ah->ah_sc->hw->conf;
- struct hal_cal_list *currCal = ah->cal_list_curr;
+ struct ath9k_cal_list *currCal = ah->cal_list_curr;
if (!ah->curchan)
return true;
if (AR_SREV_9285(ah))
chainmask = 0x9;
- else if (AR_SREV_9280(ah))
+ else if (AR_SREV_9280(ah) || AR_SREV_9287(ah))
chainmask = 0x1B;
else
chainmask = 0x3F;
void ath9k_init_nfcal_hist_buffer(struct ath_hw *ah)
{
int i, j;
+ s16 noise_floor;
+
+ if (AR_SREV_9280(ah))
+ noise_floor = AR_PHY_CCA_MAX_AR9280_GOOD_VALUE;
+ else if (AR_SREV_9285(ah))
+ noise_floor = AR_PHY_CCA_MAX_AR9285_GOOD_VALUE;
+ else
+ noise_floor = AR_PHY_CCA_MAX_AR5416_GOOD_VALUE;
for (i = 0; i < NUM_NF_READINGS; i++) {
ah->nfCalHist[i].currIndex = 0;
- ah->nfCalHist[i].privNF = AR_PHY_CCA_MAX_GOOD_VALUE;
+ ah->nfCalHist[i].privNF = noise_floor;
ah->nfCalHist[i].invalidNFcount =
AR_PHY_CCA_FILTERWINDOW_LENGTH;
for (j = 0; j < ATH9K_NF_CAL_HIST_MAX; j++) {
- ah->nfCalHist[i].nfCalBuffer[j] =
- AR_PHY_CCA_MAX_GOOD_VALUE;
+ ah->nfCalHist[i].nfCalBuffer[j] = noise_floor;
}
}
}
static void ath9k_olc_temp_compensation(struct ath_hw *ah)
{
u32 rddata, i;
- int delta, currPDADC, regval;
+ int delta, currPDADC, regval, slope;
rddata = REG_READ(ah, AR_PHY_TX_PWRCTRL4);
-
currPDADC = MS(rddata, AR_PHY_TX_PWRCTRL_PD_AVG_OUT);
- 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;
+ if (OLC_FOR_AR9287_10_LATER) {
+ if (ah->initPDADC == 0 || currPDADC == 0) {
+ return;
+ } else {
+ slope = ah->eep_ops->get_eeprom(ah, EEP_TEMPSENSE_SLOPE);
+ if (slope == 0)
+ 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);
+ }
+ } 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;
- REG_RMW_FIELD(ah, AR_PHY_TX_GAIN_TBL1 + i * 4,
- AR_PHY_TX_GAIN, regval);
+ 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)
+{
+ u32 regVal;
+ unsigned int i;
+ u32 regList [][2] = {
+ { 0x786c, 0 },
+ { 0x7854, 0 },
+ { 0x7820, 0 },
+ { 0x7824, 0 },
+ { 0x7868, 0 },
+ { 0x783c, 0 },
+ { 0x7838, 0 } ,
+ { 0x7828, 0 } ,
+ };
+
+ for (i = 0; i < ARRAY_SIZE(regList); i++)
+ regList[i][1] = REG_READ(ah, regList[i][0]);
+
+ regVal = REG_READ(ah, 0x7834);
+ regVal &= (~(0x1));
+ REG_WRITE(ah, 0x7834, regVal);
+ regVal = REG_READ(ah, 0x9808);
+ regVal |= (0x1 << 27);
+ REG_WRITE(ah, 0x9808, regVal);
+
+ /* 786c,b23,1, pwddac=1 */
+ REG_RMW_FIELD(ah, AR9285_AN_TOP3, AR9285_AN_TOP3_PWDDAC, 1);
+ /* 7854, b5,1, pdrxtxbb=1 */
+ REG_RMW_FIELD(ah, AR9285_AN_RXTXBB1, AR9285_AN_RXTXBB1_PDRXTXBB1, 1);
+ /* 7854, b7,1, pdv2i=1 */
+ REG_RMW_FIELD(ah, AR9285_AN_RXTXBB1, AR9285_AN_RXTXBB1_PDV2I, 1);
+ /* 7854, b8,1, pddacinterface=1 */
+ REG_RMW_FIELD(ah, AR9285_AN_RXTXBB1, AR9285_AN_RXTXBB1_PDDACIF, 1);
+ /* 7824,b12,0, offcal=0 */
+ REG_RMW_FIELD(ah, AR9285_AN_RF2G2, AR9285_AN_RF2G2_OFFCAL, 0);
+ /* 7838, b1,0, pwddb=0 */
+ REG_RMW_FIELD(ah, AR9285_AN_RF2G7, AR9285_AN_RF2G7_PWDDB, 0);
+ /* 7820,b11,0, enpacal=0 */
+ REG_RMW_FIELD(ah, AR9285_AN_RF2G1, AR9285_AN_RF2G1_ENPACAL, 0);
+ /* 7820,b25,1, pdpadrv1=0 */
+ REG_RMW_FIELD(ah, AR9285_AN_RF2G1, AR9285_AN_RF2G1_PDPADRV1, 0);
+ /* 7820,b24,0, pdpadrv2=0 */
+ REG_RMW_FIELD(ah, AR9285_AN_RF2G1,AR9285_AN_RF2G1_PDPADRV2,0);
+ /* 7820,b23,0, pdpaout=0 */
+ REG_RMW_FIELD(ah, AR9285_AN_RF2G1, AR9285_AN_RF2G1_PDPAOUT, 0);
+ /* 783c,b14-16,7, padrvgn2tab_0=7 */
+ REG_RMW_FIELD(ah, AR9285_AN_RF2G8,AR9285_AN_RF2G8_PADRVGN2TAB0, 7);
+ /*
+ * 7838,b29-31,0, padrvgn1tab_0=0
+ * does not matter since we turn it off
+ */
+ REG_RMW_FIELD(ah, AR9285_AN_RF2G7,AR9285_AN_RF2G7_PADRVGN2TAB0, 0);
+
+ REG_RMW_FIELD(ah, AR9285_AN_RF2G3, AR9271_AN_RF2G3_CCOMP, 0xfff);
+
+ /* Set:
+ * localmode=1,bmode=1,bmoderxtx=1,synthon=1,
+ * txon=1,paon=1,oscon=1,synthon_force=1
+ */
+ REG_WRITE(ah, AR9285_AN_TOP2, 0xca0358a0);
+ udelay(30);
+ REG_RMW_FIELD(ah, AR9285_AN_RF2G6, AR9271_AN_RF2G6_OFFS, 0);
+
+ /* find off_6_1; */
+ for (i = 6; i >= 0; i--) {
+ regVal = REG_READ(ah, 0x7834);
+ regVal |= (1 << (20 + i));
+ REG_WRITE(ah, 0x7834, regVal);
+ udelay(1);
+ //regVal = REG_READ(ah, 0x7834);
+ regVal &= (~(0x1 << (20 + i)));
+ regVal |= (MS(REG_READ(ah, 0x7840), AR9285_AN_RXTXBB1_SPARE9)
+ << (20 + i));
+ REG_WRITE(ah, 0x7834, regVal);
+ }
+
+ /* Empirical offset correction */
+#if 0
+ REG_RMW_FIELD(ah, AR9285_AN_RF2G6, AR9271_AN_RF2G6_OFFS, 0x20);
+#endif
+
+ regVal = REG_READ(ah, 0x7834);
+ regVal |= 0x1;
+ REG_WRITE(ah, 0x7834, regVal);
+ regVal = REG_READ(ah, 0x9808);
+ regVal &= (~(0x1 << 27));
+ REG_WRITE(ah, 0x9808, regVal);
+
+ for (i = 0; i < ARRAY_SIZE(regList); i++)
+ REG_WRITE(ah, regList[i][0], regList[i][1]);
+}
+
static inline void ath9k_hw_9285_pa_cal(struct ath_hw *ah)
{
}
bool ath9k_hw_calibrate(struct ath_hw *ah, struct ath9k_channel *chan,
- u8 rxchainmask, bool longcal,
- bool *isCalDone)
+ u8 rxchainmask, bool longcal)
{
- struct hal_cal_list *currCal = ah->cal_list_curr;
-
- *isCalDone = true;
+ bool iscaldone = true;
+ struct ath9k_cal_list *currCal = ah->cal_list_curr;
if (currCal &&
(currCal->calState == CAL_RUNNING ||
currCal->calState == CAL_WAITING)) {
- ath9k_hw_per_calibration(ah, chan, rxchainmask, currCal,
- isCalDone);
- if (*isCalDone) {
+ iscaldone = ath9k_hw_per_calibration(ah, chan,
+ rxchainmask, currCal);
+ if (iscaldone) {
ah->cal_list_curr = currCal = currCal->calNext;
if (currCal->calState == CAL_WAITING) {
- *isCalDone = false;
+ iscaldone = false;
ath9k_hw_reset_calibration(ah, currCal);
}
}
}
+ /* Do NF cal only at longer intervals */
if (longcal) {
- if (AR_SREV_9285(ah) && AR_SREV_9285_11_OR_LATER(ah))
+ /* Do periodic PAOffset Cal */
+ if (AR_SREV_9271(ah))
+ ath9k_hw_9271_pa_cal(ah);
+ else if (AR_SREV_9285_11_OR_LATER(ah))
ath9k_hw_9285_pa_cal(ah);
- if (OLC_FOR_AR9280_20_LATER)
+ if (OLC_FOR_AR9280_20_LATER || OLC_FOR_AR9287_10_LATER)
ath9k_olc_temp_compensation(ah);
+
+ /* Get the value from the previous NF cal and update history buffer */
ath9k_hw_getnf(ah, chan);
+
+ /*
+ * Load the NF from history buffer of the current channel.
+ * NF is slow time-variant, so it is OK to use a historical value.
+ */
ath9k_hw_loadnf(ah, ah->curchan);
- ath9k_hw_start_nfcal(ah);
- if (chan->channelFlags & CHANNEL_CW_INT)
- chan->channelFlags &= ~CHANNEL_CW_INT;
+ ath9k_hw_start_nfcal(ah);
}
- return true;
+ return iscaldone;
}
static bool ar9285_clc(struct ath_hw *ah, struct ath9k_channel *chan)
return true;
}
-bool ath9k_hw_init_cal(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(ah) && AR_SREV_9285_12_OR_LATER(ah)) {
+ if (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);
+ } else {
+ if (AR_SREV_9280_10_OR_LATER(ah)) {
+ if (!AR_SREV_9287_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);
+ }
- /* Kick off the cal */
+ /* 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,
- AH_WAIT_TIMEOUT)) {
+ /* 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");
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);
-
- 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);
+ if (AR_SREV_9280_10_OR_LATER(ah)) {
+ if (!AR_SREV_9287_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))
+ if (AR_SREV_9285_11_OR_LATER(ah))
ath9k_hw_9285_pa_cal(ah);
- /* Do NF Calibration */
+ /* Do NF Calibration after DC offset and other calibrations */
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);
ah->cal_list = ah->cal_list_last = ah->cal_list_curr = NULL;
+ /* Enable IQ, ADC Gain and ADC DC offset CALs */
if (AR_SREV_9100(ah) || AR_SREV_9160_10_OR_LATER(ah)) {
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, 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, 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");
}
ah->cal_list_curr = ah->cal_list;
return true;
}
-const struct hal_percal_data iq_cal_multi_sample = {
+const struct ath9k_percal_data iq_cal_multi_sample = {
IQ_MISMATCH_CAL,
MAX_CAL_SAMPLES,
PER_MIN_LOG_COUNT,
ath9k_hw_iqcal_collect,
ath9k_hw_iqcalibrate
};
-const struct hal_percal_data iq_cal_single_sample = {
+const struct ath9k_percal_data iq_cal_single_sample = {
IQ_MISMATCH_CAL,
MIN_CAL_SAMPLES,
PER_MAX_LOG_COUNT,
ath9k_hw_iqcal_collect,
ath9k_hw_iqcalibrate
};
-const struct hal_percal_data adc_gain_cal_multi_sample = {
+const struct ath9k_percal_data adc_gain_cal_multi_sample = {
ADC_GAIN_CAL,
MAX_CAL_SAMPLES,
PER_MIN_LOG_COUNT,
ath9k_hw_adc_gaincal_collect,
ath9k_hw_adc_gaincal_calibrate
};
-const struct hal_percal_data adc_gain_cal_single_sample = {
+const struct ath9k_percal_data adc_gain_cal_single_sample = {
ADC_GAIN_CAL,
MIN_CAL_SAMPLES,
PER_MAX_LOG_COUNT,
ath9k_hw_adc_gaincal_collect,
ath9k_hw_adc_gaincal_calibrate
};
-const struct hal_percal_data adc_dc_cal_multi_sample = {
+const struct ath9k_percal_data adc_dc_cal_multi_sample = {
ADC_DC_CAL,
MAX_CAL_SAMPLES,
PER_MIN_LOG_COUNT,
ath9k_hw_adc_dccal_collect,
ath9k_hw_adc_dccal_calibrate
};
-const struct hal_percal_data adc_dc_cal_single_sample = {
+const struct ath9k_percal_data adc_dc_cal_single_sample = {
ADC_DC_CAL,
MIN_CAL_SAMPLES,
PER_MAX_LOG_COUNT,
ath9k_hw_adc_dccal_collect,
ath9k_hw_adc_dccal_calibrate
};
-const struct hal_percal_data adc_init_dc_cal = {
+const struct ath9k_percal_data adc_init_dc_cal = {
ADC_DC_INIT_CAL,
MIN_CAL_SAMPLES,
INIT_LOG_COUNT,
git.openpandora.org / pandora-kernel.git / blobdiff