47 static struct ath_nf_limits *ath9k_hw_get_nf_limits(struct ath_hw *ah,  in ath9k_hw_get_nf_limits()  argument
53 		limit = &ah->nf_2g;  in ath9k_hw_get_nf_limits()
55 		limit = &ah->nf_5g;  in ath9k_hw_get_nf_limits()
60 static s16 ath9k_hw_get_default_nf(struct ath_hw *ah,  in ath9k_hw_get_default_nf()  argument
63 	return ath9k_hw_get_nf_limits(ah, chan)->nominal;  in ath9k_hw_get_default_nf()
66 s16 ath9k_hw_getchan_noise(struct ath_hw *ah, struct ath9k_channel *chan,  in ath9k_hw_getchan_noise()  argument
73 			   ath9k_hw_get_default_nf(ah, chan);  in ath9k_hw_getchan_noise()
81 static void ath9k_hw_update_nfcal_hist_buffer(struct ath_hw *ah,  in ath9k_hw_update_nfcal_hist_buffer()  argument
85 	struct ath_common *common = ath9k_hw_common(ah);  in ath9k_hw_update_nfcal_hist_buffer()
89 	u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;  in ath9k_hw_update_nfcal_hist_buffer()
93 	limit = ath9k_hw_get_nf_limits(ah, ah->curchan);  in ath9k_hw_update_nfcal_hist_buffer()
97 		    ((i >= AR5416_MAX_CHAINS) && !IS_CHAN_HT40(ah->curchan)))  in ath9k_hw_update_nfcal_hist_buffer()
147 static bool ath9k_hw_get_nf_thresh(struct ath_hw *ah,  in ath9k_hw_get_nf_thresh()  argument
153 		*nft = (int8_t)ah->eep_ops->get_eeprom(ah, EEP_NFTHRESH_5);  in ath9k_hw_get_nf_thresh()
156 		*nft = (int8_t)ah->eep_ops->get_eeprom(ah, EEP_NFTHRESH_2);  in ath9k_hw_get_nf_thresh()
166 void ath9k_hw_reset_calibration(struct ath_hw *ah,  in ath9k_hw_reset_calibration()  argument
171 	ath9k_hw_setup_calibration(ah, currCal);  in ath9k_hw_reset_calibration()
176 		ah->meas0.sign[i] = 0;  in ath9k_hw_reset_calibration()
177 		ah->meas1.sign[i] = 0;  in ath9k_hw_reset_calibration()
178 		ah->meas2.sign[i] = 0;  in ath9k_hw_reset_calibration()
179 		ah->meas3.sign[i] = 0;  in ath9k_hw_reset_calibration()
182 	ah->cal_samples = 0;  in ath9k_hw_reset_calibration()
186 bool ath9k_hw_reset_calvalid(struct ath_hw *ah)  in ath9k_hw_reset_calvalid()  argument
188 	struct ath_common *common = ath9k_hw_common(ah);  in ath9k_hw_reset_calvalid()
189 	struct ath9k_cal_list *currCal = ah->cal_list_curr;  in ath9k_hw_reset_calvalid()
191 	if (!ah->caldata)  in ath9k_hw_reset_calvalid()
194 	if (!AR_SREV_9100(ah) && !AR_SREV_9160_10_OR_LATER(ah))  in ath9k_hw_reset_calvalid()
206 	if (!(ah->supp_cals & currCal->calData->calType))  in ath9k_hw_reset_calvalid()
210 		currCal->calData->calType, ah->curchan->chan->center_freq);  in ath9k_hw_reset_calvalid()
212 	ah->caldata->CalValid &= ~currCal->calData->calType;  in ath9k_hw_reset_calvalid()
219 void ath9k_hw_start_nfcal(struct ath_hw *ah, bool update)  in ath9k_hw_start_nfcal()  argument
221 	if (ah->caldata)  in ath9k_hw_start_nfcal()
222 		set_bit(NFCAL_PENDING, &ah->caldata->cal_flags);  in ath9k_hw_start_nfcal()
224 	REG_SET_BIT(ah, AR_PHY_AGC_CONTROL,  in ath9k_hw_start_nfcal()
228 		REG_CLR_BIT(ah, AR_PHY_AGC_CONTROL,  in ath9k_hw_start_nfcal()
231 		REG_SET_BIT(ah, AR_PHY_AGC_CONTROL,  in ath9k_hw_start_nfcal()
234 	REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_NF);  in ath9k_hw_start_nfcal()
237 int ath9k_hw_loadnf(struct ath_hw *ah, struct ath9k_channel *chan)  in ath9k_hw_loadnf()  argument
241 	u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;  in ath9k_hw_loadnf()
242 	struct ath_common *common = ath9k_hw_common(ah);  in ath9k_hw_loadnf()
243 	s16 default_nf = ath9k_hw_get_default_nf(ah, chan);  in ath9k_hw_loadnf()
245 	if (ah->caldata)  in ath9k_hw_loadnf()
246 		h = ah->caldata->nfCalHist;  in ath9k_hw_loadnf()
248 	ENABLE_REG_RMW_BUFFER(ah);  in ath9k_hw_loadnf()
261 			REG_RMW(ah, ah->nf_regs[i],  in ath9k_hw_loadnf()
270 	REG_CLR_BIT(ah, AR_PHY_AGC_CONTROL,  in ath9k_hw_loadnf()
272 	REG_CLR_BIT(ah, AR_PHY_AGC_CONTROL,  in ath9k_hw_loadnf()
274 	REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_NF);  in ath9k_hw_loadnf()
275 	REG_RMW_BUFFER_FLUSH(ah);  in ath9k_hw_loadnf()
284 		if ((REG_READ(ah, AR_PHY_AGC_CONTROL) &  in ath9k_hw_loadnf()
302 			REG_READ(ah, AR_PHY_AGC_CONTROL));  in ath9k_hw_loadnf()
311 	ENABLE_REG_RMW_BUFFER(ah);  in ath9k_hw_loadnf()
317 			REG_RMW(ah, ah->nf_regs[i],  in ath9k_hw_loadnf()
321 	REG_RMW_BUFFER_FLUSH(ah);  in ath9k_hw_loadnf()
327 static void ath9k_hw_nf_sanitize(struct ath_hw *ah, s16 *nf)  in ath9k_hw_nf_sanitize()  argument
329 	struct ath_common *common = ath9k_hw_common(ah);  in ath9k_hw_nf_sanitize()
333 	if (IS_CHAN_2GHZ(ah->curchan))  in ath9k_hw_nf_sanitize()
334 		limit = &ah->nf_2g;  in ath9k_hw_nf_sanitize()
336 		limit = &ah->nf_5g;  in ath9k_hw_nf_sanitize()
360 bool ath9k_hw_getnf(struct ath_hw *ah, struct ath9k_channel *chan)  in ath9k_hw_getnf()  argument
362 	struct ath_common *common = ath9k_hw_common(ah);  in ath9k_hw_getnf()
367 	struct ath9k_hw_cal_data *caldata = ah->caldata;  in ath9k_hw_getnf()
369 	if (REG_READ(ah, AR_PHY_AGC_CONTROL) & AR_PHY_AGC_CONTROL_NF) {  in ath9k_hw_getnf()
375 	ath9k_hw_do_getnf(ah, nfarray);  in ath9k_hw_getnf()
376 	ath9k_hw_nf_sanitize(ah, nfarray);  in ath9k_hw_getnf()
378 	if (ath9k_hw_get_nf_thresh(ah, c->band, &nfThresh)  in ath9k_hw_getnf()
392 	ath9k_hw_update_nfcal_hist_buffer(ah, caldata, nfarray);  in ath9k_hw_getnf()
394 	ah->noise = ath9k_hw_getchan_noise(ah, chan, chan->noisefloor);  in ath9k_hw_getnf()
399 void ath9k_init_nfcal_hist_buffer(struct ath_hw *ah,  in ath9k_init_nfcal_hist_buffer()  argument
406 	ah->caldata->channel = chan->channel;  in ath9k_init_nfcal_hist_buffer()
407 	ah->caldata->channelFlags = chan->channelFlags;  in ath9k_init_nfcal_hist_buffer()
408 	h = ah->caldata->nfCalHist;  in ath9k_init_nfcal_hist_buffer()
409 	default_nf = ath9k_hw_get_default_nf(ah, chan);  in ath9k_init_nfcal_hist_buffer()
421 void ath9k_hw_bstuck_nfcal(struct ath_hw *ah)  in ath9k_hw_bstuck_nfcal()  argument
423 	struct ath9k_hw_cal_data *caldata = ah->caldata;  in ath9k_hw_bstuck_nfcal()
437 		ath9k_hw_start_nfcal(ah, true);  in ath9k_hw_bstuck_nfcal()
438 	else if (!(REG_READ(ah, AR_PHY_AGC_CONTROL) & AR_PHY_AGC_CONTROL_NF))  in ath9k_hw_bstuck_nfcal()
439 		ath9k_hw_getnf(ah, ah->curchan);  in ath9k_hw_bstuck_nfcal()