20  * TX polling - checks if the TX engine is stuck somewhere
28 	if (sc->tx99_state)  in ath_tx_complete_check()
32 		txq = sc->tx.txq_map[i];  in ath_tx_complete_check()
35 		if (txq->axq_depth) {  in ath_tx_complete_check()
36 			if (txq->axq_tx_inprogress) {  in ath_tx_complete_check()
41 			txq->axq_tx_inprogress = true;  in ath_tx_complete_check()
49 	ath_dbg(ath9k_hw_common(sc->sc_ah), RESET,  in ath_tx_complete_check()
59 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);  in ath_hw_rx_inactive_check()
62 	interval = jiffies_to_msecs(jiffies - sc->rx_active_check_time);  in ath_hw_rx_inactive_check()
63 	count = sc->rx_active_count;  in ath_hw_rx_inactive_check()
68 	sc->rx_active_count = 0;  in ath_hw_rx_inactive_check()
69 	sc->rx_active_check_time = jiffies;  in ath_hw_rx_inactive_check()
94 	ieee80211_queue_delayed_work(sc->hw, &sc->hw_check_work,  in ath_hw_check_work()
103 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);  in ath_hw_check()
109 	is_alive = ath9k_hw_check_alive(sc->sc_ah);  in ath_hw_check()
124  * PLL-WAR for AR9485/AR9340
129 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);  in ath_hw_pll_rx_hang_check()
151 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);  in ath_hw_pll_work()
158 	if (!test_bit(ATH_OP_BEACONS, &common->op_flags))  in ath_hw_pll_work()
161 	if (sc->tx99_state)  in ath_hw_pll_work()
165 	pll_sqsum = ar9003_get_pll_sqsum_dvc(sc->sc_ah);  in ath_hw_pll_work()
170 	ieee80211_queue_delayed_work(sc->hw, &sc->hw_pll_work,  in ath_hw_pll_work()
175  * PA Pre-distortion.
179 	struct ath_hw *ah = sc->sc_ah;  in ath_paprd_activate()
181 	struct ath9k_hw_cal_data *caldata = ah->caldata;  in ath_paprd_activate()
184 	if (!caldata || !test_bit(PAPRD_DONE, &caldata->cal_flags)) {  in ath_paprd_activate()
191 		if (!(ah->txchainmask & BIT(chain)))  in ath_paprd_activate()
203 	struct ieee80211_hw *hw = sc->hw;  in ath_paprd_send_frame()
205 	struct ath_hw *ah = sc->sc_ah;  in ath_paprd_send_frame()
211 	txctl.txq = sc->tx.txq_map[IEEE80211_AC_BE];  in ath_paprd_send_frame()
214 	tx_info->band = sc->cur_chandef.chan->band;  in ath_paprd_send_frame()
215 	tx_info->flags |= IEEE80211_TX_CTL_NO_ACK;  in ath_paprd_send_frame()
216 	tx_info->control.rates[0].idx = 0;  in ath_paprd_send_frame()
217 	tx_info->control.rates[0].count = 1;  in ath_paprd_send_frame()
218 	tx_info->control.rates[0].flags = IEEE80211_TX_RC_MCS;  in ath_paprd_send_frame()
219 	tx_info->control.rates[1].idx = -1;  in ath_paprd_send_frame()
221 	init_completion(&sc->paprd_complete);  in ath_paprd_send_frame()
230 	time_left = wait_for_completion_timeout(&sc->paprd_complete,  in ath_paprd_send_frame()
244 	struct ieee80211_hw *hw = sc->hw;  in ath_paprd_calibrate()
245 	struct ath_hw *ah = sc->sc_ah;  in ath_paprd_calibrate()
248 	struct ath9k_hw_cal_data *caldata = ah->caldata;  in ath_paprd_calibrate()
257 	    !test_bit(PAPRD_PACKET_SENT, &caldata->cal_flags) ||  in ath_paprd_calibrate()
258 	    test_bit(PAPRD_DONE, &caldata->cal_flags)) {  in ath_paprd_calibrate()
259 		ath_dbg(common, CALIBRATE, "Skipping PAPRD calibration\n");  in ath_paprd_calibrate()
273 	memset(skb->data, 0, len);  in ath_paprd_calibrate()
274 	hdr = (struct ieee80211_hdr *)skb->data;  in ath_paprd_calibrate()
276 	hdr->frame_control = cpu_to_le16(ftype);  in ath_paprd_calibrate()
277 	hdr->duration_id = cpu_to_le16(10);  in ath_paprd_calibrate()
278 	memcpy(hdr->addr1, hw->wiphy->perm_addr, ETH_ALEN);  in ath_paprd_calibrate()
279 	memcpy(hdr->addr2, hw->wiphy->perm_addr, ETH_ALEN);  in ath_paprd_calibrate()
280 	memcpy(hdr->addr3, hw->wiphy->perm_addr, ETH_ALEN);  in ath_paprd_calibrate()
283 		if (!(ah->txchainmask & BIT(chain)))  in ath_paprd_calibrate()
301 		if (ret == -EINPROGRESS) {  in ath_paprd_calibrate()
303 				"PAPRD curve on chain %d needs to be re-trained\n",  in ath_paprd_calibrate()
318 		set_bit(PAPRD_DONE, &caldata->cal_flags);  in ath_paprd_calibrate()
327  *  ANI performs periodic noise floor calibration
336 	struct ath_softc *sc = common->priv;  in ath_ani_calibrate()
337 	struct ath_hw *ah = sc->sc_ah;  in ath_ani_calibrate()
345 	if (ah->caldata && test_bit(NFCAL_INTF, &ah->caldata->cal_flags))  in ath_ani_calibrate()
350 	short_cal_interval = (ah->opmode == NL80211_IFTYPE_AP) ?  in ath_ani_calibrate()
354 	if (sc->sc_ah->power_mode != ATH9K_PM_AWAKE) {  in ath_ani_calibrate()
355 		if (++ah->ani_skip_count >= ATH_ANI_MAX_SKIP_COUNT) {  in ath_ani_calibrate()
356 			spin_lock_irqsave(&sc->sc_pm_lock, flags);  in ath_ani_calibrate()
357 			sc->ps_flags |= PS_WAIT_FOR_ANI;  in ath_ani_calibrate()
358 			spin_unlock_irqrestore(&sc->sc_pm_lock, flags);  in ath_ani_calibrate()
362 	ah->ani_skip_count = 0;  in ath_ani_calibrate()
363 	spin_lock_irqsave(&sc->sc_pm_lock, flags);  in ath_ani_calibrate()
364 	sc->ps_flags &= ~PS_WAIT_FOR_ANI;  in ath_ani_calibrate()
365 	spin_unlock_irqrestore(&sc->sc_pm_lock, flags);  in ath_ani_calibrate()
369 	/* Long calibration runs independently of short calibration. */  in ath_ani_calibrate()
370 	if ((timestamp - common->ani.longcal_timer) >= long_cal_interval) {  in ath_ani_calibrate()
372 		common->ani.longcal_timer = timestamp;  in ath_ani_calibrate()
375 	/* Short calibration applies only while caldone is false */  in ath_ani_calibrate()
376 	if (!common->ani.caldone) {  in ath_ani_calibrate()
377 		if ((timestamp - common->ani.shortcal_timer) >= short_cal_interval) {  in ath_ani_calibrate()
379 			common->ani.shortcal_timer = timestamp;  in ath_ani_calibrate()
380 			common->ani.resetcal_timer = timestamp;  in ath_ani_calibrate()
383 		if ((timestamp - common->ani.resetcal_timer) >=  in ath_ani_calibrate()
385 			common->ani.caldone = ath9k_hw_reset_calvalid(ah);  in ath_ani_calibrate()
386 			if (common->ani.caldone)  in ath_ani_calibrate()
387 				common->ani.resetcal_timer = timestamp;  in ath_ani_calibrate()
392 	if ((timestamp - common->ani.checkani_timer) >= ah->config.ani_poll_interval) {  in ath_ani_calibrate()
394 		common->ani.checkani_timer = timestamp;  in ath_ani_calibrate()
399 		spin_lock_irqsave(&common->cc_lock, flags);  in ath_ani_calibrate()
400 		ath9k_hw_ani_monitor(ah, ah->curchan);  in ath_ani_calibrate()
402 		spin_unlock_irqrestore(&common->cc_lock, flags);  in ath_ani_calibrate()
405 	/* Perform calibration if necessary */  in ath_ani_calibrate()
407 		int ret = ath9k_hw_calibrate(ah, ah->curchan, ah->rxchainmask,  in ath_ani_calibrate()
410 			common->ani.caldone = 0;  in ath_ani_calibrate()
415 		common->ani.caldone = ret;  in ath_ani_calibrate()
419 		"Calibration @%lu finished: %s %s %s, caldone: %s\n",  in ath_ani_calibrate()
422 		aniflag ? "ani" : "", common->ani.caldone ? "true" : "false");  in ath_ani_calibrate()
430 	* short calibration and long calibration.  in ath_ani_calibrate()
433 	cal_interval = min(cal_interval, (u32)ah->config.ani_poll_interval);  in ath_ani_calibrate()
434 	if (!common->ani.caldone)  in ath_ani_calibrate()
437 	mod_timer(&common->ani.timer, jiffies + msecs_to_jiffies(cal_interval));  in ath_ani_calibrate()
439 	if (ar9003_is_paprd_enabled(ah) && ah->caldata) {  in ath_ani_calibrate()
440 		if (!test_bit(PAPRD_DONE, &ah->caldata->cal_flags)) {  in ath_ani_calibrate()
441 			ieee80211_queue_work(sc->hw, &sc->paprd_work);  in ath_ani_calibrate()
442 		} else if (!ah->paprd_table_write_done) {  in ath_ani_calibrate()
452 	struct ath_hw *ah = sc->sc_ah;  in ath_start_ani()
456 	if (common->disable_ani ||  in ath_start_ani()
457 	    !test_bit(ATH_OP_ANI_RUN, &common->op_flags) ||  in ath_start_ani()
458 	    sc->cur_chan->offchannel)  in ath_start_ani()
461 	common->ani.longcal_timer = timestamp;  in ath_start_ani()
462 	common->ani.shortcal_timer = timestamp;  in ath_start_ani()
463 	common->ani.checkani_timer = timestamp;  in ath_start_ani()
466 	mod_timer(&common->ani.timer,  in ath_start_ani()
467 		  jiffies + msecs_to_jiffies((u32)ah->config.ani_poll_interval));  in ath_start_ani()
472 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);  in ath_stop_ani()
475 	timer_delete_sync(&common->ani.timer);  in ath_stop_ani()
480 	struct ath_hw *ah = sc->sc_ah;  in ath_check_ani()
481 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);  in ath_check_ani()
482 	struct ath_beacon_config *cur_conf = &sc->cur_chan->beacon;  in ath_check_ani()
488 	if (ah->opmode == NL80211_IFTYPE_ADHOC) {  in ath_check_ani()
489 		if (!cur_conf->enable_beacon)  in ath_check_ani()
491 	} else if (ah->opmode == NL80211_IFTYPE_AP) {  in ath_check_ani()
492 		if (!cur_conf->enable_beacon) {  in ath_check_ani()
497 			if (!test_bit(ATH_OP_PRIM_STA_VIF, &common->op_flags))  in ath_check_ani()
500 	} else if (ah->opmode == NL80211_IFTYPE_STATION) {  in ath_check_ani()
501 		if (!test_bit(ATH_OP_PRIM_STA_VIF, &common->op_flags))  in ath_check_ani()
505 	if (!test_bit(ATH_OP_ANI_RUN, &common->op_flags)) {  in ath_check_ani()
506 		set_bit(ATH_OP_ANI_RUN, &common->op_flags);  in ath_check_ani()
513 	clear_bit(ATH_OP_ANI_RUN, &common->op_flags);  in ath_check_ani()
519 	struct ath_hw *ah = sc->sc_ah;  in ath_update_survey_nf()
520 	struct ath9k_channel *chan = &ah->channels[channel];  in ath_update_survey_nf()
521 	struct survey_info *survey = &sc->survey[channel];  in ath_update_survey_nf()
523 	if (chan->noisefloor) {  in ath_update_survey_nf()
524 		survey->filled |= SURVEY_INFO_NOISE_DBM;  in ath_update_survey_nf()
525 		survey->noise = ath9k_hw_getchan_noise(ah, chan,  in ath_update_survey_nf()
526 						       chan->noisefloor);  in ath_update_survey_nf()
533  * result to be useful, -1 otherwise.
537 	struct ath_hw *ah = sc->sc_ah;  in ath_update_survey_stats()
539 	int pos = ah->curchan - &ah->channels[0];  in ath_update_survey_stats()
540 	struct survey_info *survey = &sc->survey[pos];  in ath_update_survey_stats()
541 	struct ath_cycle_counters *cc = &common->cc_survey;  in ath_update_survey_stats()
542 	unsigned int div = common->clockrate * 1000;  in ath_update_survey_stats()
545 	if (!ah->curchan)  in ath_update_survey_stats()
546 		return -1;  in ath_update_survey_stats()
548 	if (ah->power_mode == ATH9K_PM_AWAKE)  in ath_update_survey_stats()
551 	if (cc->cycles > 0) {  in ath_update_survey_stats()
552 		survey->filled |= SURVEY_INFO_TIME |  in ath_update_survey_stats()
556 		survey->time += cc->cycles / div;  in ath_update_survey_stats()
557 		survey->time_busy += cc->rx_busy / div;  in ath_update_survey_stats()
558 		survey->time_rx += cc->rx_frame / div;  in ath_update_survey_stats()
559 		survey->time_tx += cc->tx_frame / div;  in ath_update_survey_stats()
562 	if (cc->cycles < div)  in ath_update_survey_stats()
563 		return -1;  in ath_update_survey_stats()
565 	if (cc->cycles > 0)  in ath_update_survey_stats()
566 		ret = cc->rx_busy * 100 / cc->cycles;  in ath_update_survey_stats()