#include "reg.h"
#include "phy.h"
-static const int16_t NOISE_FLOOR[] = { -96, -93, -98, -96, -93, -96 };
-
/* We can tune this as we go by monitoring really low values */
#define ATH9K_NF_TOO_LOW -60
}
static bool getNoiseFloorThresh(struct ath_hal *ah,
- const struct ath9k_channel *chan,
+ 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:
+ switch (band) {
+ case IEEE80211_BAND_5GHZ:
*nft = (int8_t)ath9k_hw_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:
+ case IEEE80211_BAND_2GHZ:
*nft = (int8_t)ath9k_hw_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;
}
}
}
+/* Assumes you are talking about the currently configured channel */
static bool ath9k_hw_iscal_supported(struct ath_hal *ah,
- struct ath9k_channel *chan,
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;
+ 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)
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_hal *ah)
{
struct ath_hal_5416 *ahp = AH5416(ah);
- struct ath9k_channel *ichan =
- ath9k_regd_check_channel(ah, chan);
+ struct ieee80211_conf *conf = &ah->ah_sc->hw->conf;
struct hal_cal_list *currCal = ahp->ah_cal_list_curr;
- *isCalDone = true;
+ if (!ah->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->ah_curchan->CalValid &= ~currCal->calData->calType;
currCal->calState = CAL_WAITING;
- *isCalDone = false;
+ return false;
}
void ath9k_hw_start_nfcal(struct ath_hal *ah)
};
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)) {
int16_t nf, nfThresh;
int16_t nfarray[NUM_NF_READINGS] = { 0 };
struct ath9k_nfcal_hist *h;
+ struct ieee80211_channel *c = chan->chan;
u8 chainmask;
if (AR_SREV_9280(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; "
}
}
-#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;
s16 ath9k_hw_getchan_noise(struct ath_hal *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;
{
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);
*isCalDone = true;
- if (ichan == NULL) {
- DPRINTF(ah->ah_sc, ATH_DBG_CHANNEL,
- "invalid channel %u/0x%x; no mapping\n",
- chan->channel, chan->channelFlags);
- return false;
- }
-
if (currCal &&
(currCal->calState == CAL_RUNNING ||
currCal->calState == CAL_WAITING)) {
- ath9k_hw_per_calibration(ah, ichan, rxchainmask, currCal,
+ ath9k_hw_per_calibration(ah, chan, rxchainmask, currCal,
isCalDone);
if (*isCalDone) {
ahp->ah_cal_list_curr = currCal = currCal->calNext;
}
if (longcal) {
- ath9k_hw_getnf(ah, ichan);
+ ath9k_hw_getnf(ah, chan);
ath9k_hw_loadnf(ah, ah->ah_curchan);
ath9k_hw_start_nfcal(ah);
- if ((ichan->channelFlags & CHANNEL_CW_INT) != 0) {
- chan->channelFlags |= CHANNEL_CW_INT;
- ichan->channelFlags &= ~CHANNEL_CW_INT;
- }
+ if (chan->channelFlags & CHANNEL_CW_INT)
+ chan->channelFlags &= ~CHANNEL_CW_INT;
}
return true;
struct ath9k_channel *chan)
{
struct ath_hal_5416 *ahp = AH5416(ah);
- struct ath9k_channel *ichan = ath9k_regd_check_channel(ah, chan);
REG_WRITE(ah, AR_PHY_AGC_CONTROL,
REG_READ(ah, AR_PHY_AGC_CONTROL) |
ahp->ah_cal_list = ahp->ah_cal_list_last = ahp->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)) {
+ if (ath9k_hw_iscal_supported(ah, ADC_GAIN_CAL)) {
INIT_CAL(&ahp->ah_adcGainCalData);
INSERT_CAL(ahp, &ahp->ah_adcGainCalData);
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"enabling ADC Gain Calibration.\n");
}
- if (ath9k_hw_iscal_supported(ah, chan, ADC_DC_CAL)) {
+ if (ath9k_hw_iscal_supported(ah, ADC_DC_CAL)) {
INIT_CAL(&ahp->ah_adcDcCalData);
INSERT_CAL(ahp, &ahp->ah_adcDcCalData);
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
"enabling ADC DC Calibration.\n");
}
- if (ath9k_hw_iscal_supported(ah, chan, IQ_MISMATCH_CAL)) {
+ if (ath9k_hw_iscal_supported(ah, IQ_MISMATCH_CAL)) {
INIT_CAL(&ahp->ah_iqCalData);
INSERT_CAL(ahp, &ahp->ah_iqCalData);
DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
ath9k_hw_reset_calibration(ah, ahp->ah_cal_list_curr);
}
- ichan->CalValid = 0;
+ chan->CalValid = 0;
return true;
}