2  * Copyright (c) 2008-2011 Atheros Communications Inc.
27 	struct ath_hw *ah = sc->sc_ah;  in ath_fill_led_pin()
30 	if (ah->led_pin < 0) {  in ath_fill_led_pin()
32 			ah->led_pin = ATH_LED_PIN_9287;  in ath_fill_led_pin()
34 			ah->led_pin = ATH_LED_PIN_9485;  in ath_fill_led_pin()
36 			ah->led_pin = ATH_LED_PIN_9300;  in ath_fill_led_pin()
38 			ah->led_pin = ATH_LED_PIN_9462;  in ath_fill_led_pin()
40 			ah->led_pin = ATH_LED_PIN_DEF;  in ath_fill_led_pin()
44 	ath9k_hw_gpio_request_out(ah, ah->led_pin, "ath9k-led",  in ath_fill_led_pin()
48 	ath9k_hw_set_gpio(ah, ah->led_pin, ah->config.led_active_high ? 0 : 1);  in ath_fill_led_pin()
57 	if (sc->sc_ah->config.led_active_high)  in ath_led_brightness()
60 	ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, val);  in ath_led_brightness()
65 	if (!sc->led_registered)  in ath_deinit_leds()
68 	ath_led_brightness(&sc->led_cdev, LED_OFF);  in ath_deinit_leds()
69 	led_classdev_unregister(&sc->led_cdev);  in ath_deinit_leds()
71 	ath9k_hw_gpio_free(sc->sc_ah, sc->sc_ah->led_pin);  in ath_deinit_leds()
78 	if (AR_SREV_9100(sc->sc_ah))  in ath_init_leds()
84 		sc->led_cdev.default_trigger =  in ath_init_leds()
85 			ieee80211_get_radio_led_name(sc->hw);  in ath_init_leds()
87 	snprintf(sc->led_name, sizeof(sc->led_name),  in ath_init_leds()
88 		"ath9k-%s", wiphy_name(sc->hw->wiphy));  in ath_init_leds()
89 	sc->led_cdev.name = sc->led_name;  in ath_init_leds()
90 	sc->led_cdev.brightness_set = ath_led_brightness;  in ath_init_leds()
92 	ret = led_classdev_register(wiphy_dev(sc->hw->wiphy), &sc->led_cdev);  in ath_init_leds()
96 	sc->led_registered = true;  in ath_init_leds()
106 	struct ath_hw *ah = sc->sc_ah;  in ath_is_rfkill_set()
110 	is_blocked = ath9k_hw_gpio_get(ah, ah->rfkill_gpio) ==  in ath_is_rfkill_set()
111 				  ah->rfkill_polarity;  in ath_is_rfkill_set()
119 	struct ath_softc *sc = hw->priv;  in ath9k_rfkill_poll_state()
122 	wiphy_rfkill_set_hw_state(hw->wiphy, blocked);  in ath9k_rfkill_poll_state()
127 	struct ath_hw *ah = sc->sc_ah;  in ath_start_rfkill_poll()
129 	if (ah->caps.hw_caps & ATH9K_HW_CAP_RFSILENT)  in ath_start_rfkill_poll()
130 		wiphy_rfkill_start_polling(sc->hw->wiphy);  in ath_start_rfkill_poll()
140  * Detects if there is any priority bt traffic
144 	struct ath_btcoex *btcoex = &sc->btcoex;  in ath_detect_bt_priority()
145 	struct ath_hw *ah = sc->sc_ah;  in ath_detect_bt_priority()
147 	if (ath9k_hw_gpio_get(sc->sc_ah, ah->btcoex_hw.btpriority_gpio))  in ath_detect_bt_priority()
148 		btcoex->bt_priority_cnt++;  in ath_detect_bt_priority()
150 	if (time_after(jiffies, btcoex->bt_priority_time +  in ath_detect_bt_priority()
152 		clear_bit(BT_OP_PRIORITY_DETECTED, &btcoex->op_flags);  in ath_detect_bt_priority()
153 		clear_bit(BT_OP_SCAN, &btcoex->op_flags);  in ath_detect_bt_priority()
154 		/* Detect if colocated bt started scanning */  in ath_detect_bt_priority()
155 		if (btcoex->bt_priority_cnt >= ATH_BT_CNT_SCAN_THRESHOLD) {  in ath_detect_bt_priority()
156 			ath_dbg(ath9k_hw_common(sc->sc_ah), BTCOEX,  in ath_detect_bt_priority()
157 				"BT scan detected\n");  in ath_detect_bt_priority()
158 			set_bit(BT_OP_PRIORITY_DETECTED, &btcoex->op_flags);  in ath_detect_bt_priority()
159 			set_bit(BT_OP_SCAN, &btcoex->op_flags);  in ath_detect_bt_priority()
160 		} else if (btcoex->bt_priority_cnt >= ATH_BT_CNT_THRESHOLD) {  in ath_detect_bt_priority()
161 			ath_dbg(ath9k_hw_common(sc->sc_ah), BTCOEX,  in ath_detect_bt_priority()
162 				"BT priority traffic detected\n");  in ath_detect_bt_priority()
163 			set_bit(BT_OP_PRIORITY_DETECTED, &btcoex->op_flags);  in ath_detect_bt_priority()
166 		btcoex->bt_priority_cnt = 0;  in ath_detect_bt_priority()
167 		btcoex->bt_priority_time = jiffies;  in ath_detect_bt_priority()
173 	struct ath_btcoex *btcoex = &sc->btcoex;  in ath_mci_ftp_adjust()
174 	struct ath_mci_profile *mci = &btcoex->mci;  in ath_mci_ftp_adjust()
175 	struct ath_hw *ah = sc->sc_ah;  in ath_mci_ftp_adjust()
177 	if (btcoex->bt_wait_time > ATH_BTCOEX_RX_WAIT_TIME) {  in ath_mci_ftp_adjust()
179 		    (mci->num_pan || mci->num_other_acl))  in ath_mci_ftp_adjust()
180 			ah->btcoex_hw.mci.stomp_ftp =  in ath_mci_ftp_adjust()
181 				(sc->rx.num_pkts < ATH_BTCOEX_STOMP_FTP_THRESH);  in ath_mci_ftp_adjust()
183 			ah->btcoex_hw.mci.stomp_ftp = false;  in ath_mci_ftp_adjust()
184 		btcoex->bt_wait_time = 0;  in ath_mci_ftp_adjust()
185 		sc->rx.num_pkts = 0;  in ath_mci_ftp_adjust()
190  * This is the master bt coex timer which runs for every
191  * 45ms, bt traffic will be given priority during 55% of this
197 	struct ath_hw *ah = sc->sc_ah;  in ath_btcoex_period_timer()
198 	struct ath_btcoex *btcoex = &sc->btcoex;  in ath_btcoex_period_timer()
203 	spin_lock_irqsave(&sc->sc_pm_lock, flags);  in ath_btcoex_period_timer()
204 	if (sc->sc_ah->power_mode == ATH9K_PM_NETWORK_SLEEP) {  in ath_btcoex_period_timer()
205 		btcoex->bt_wait_time += btcoex->btcoex_period;  in ath_btcoex_period_timer()
206 		spin_unlock_irqrestore(&sc->sc_pm_lock, flags);  in ath_btcoex_period_timer()
209 	spin_unlock_irqrestore(&sc->sc_pm_lock, flags);  in ath_btcoex_period_timer()
212 	spin_lock_bh(&btcoex->btcoex_lock);  in ath_btcoex_period_timer()
214 	if (ah->caps.hw_caps & ATH9K_HW_CAP_MCI) {  in ath_btcoex_period_timer()
219 	if (!(ah->caps.hw_caps & ATH9K_HW_CAP_MCI))  in ath_btcoex_period_timer()
222 	stomp_type = btcoex->bt_stomp_type;  in ath_btcoex_period_timer()
223 	timer_period = btcoex->btcoex_no_stomp;  in ath_btcoex_period_timer()
225 	if (!(ah->caps.hw_caps & ATH9K_HW_CAP_MCI)) {  in ath_btcoex_period_timer()
226 		if (test_bit(BT_OP_SCAN, &btcoex->op_flags)) {  in ath_btcoex_period_timer()
228 			timer_period = btcoex->btscan_no_stomp;  in ath_btcoex_period_timer()
230 	} else if (btcoex->stomp_audio >= 5) {  in ath_btcoex_period_timer()
232 		btcoex->stomp_audio = 0;  in ath_btcoex_period_timer()
238 	spin_unlock_bh(&btcoex->btcoex_lock);  in ath_btcoex_period_timer()
240 	if (btcoex->btcoex_period != btcoex->btcoex_no_stomp)  in ath_btcoex_period_timer()
241 		mod_timer(&btcoex->no_stomp_timer,  in ath_btcoex_period_timer()
247 	mod_timer(&btcoex->period_timer,  in ath_btcoex_period_timer()
248 		  jiffies + msecs_to_jiffies(btcoex->btcoex_period));  in ath_btcoex_period_timer()
253  * registers to time slice between wlan and bt traffic
258 	struct ath_hw *ah = sc->sc_ah;  in ath_btcoex_no_stomp_timer()
259 	struct ath_btcoex *btcoex = &sc->btcoex;  in ath_btcoex_no_stomp_timer()
262 	spin_lock_bh(&btcoex->btcoex_lock);  in ath_btcoex_no_stomp_timer()
264 	if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_LOW ||  in ath_btcoex_no_stomp_timer()
265 	    (!(ah->caps.hw_caps & ATH9K_HW_CAP_MCI) &&  in ath_btcoex_no_stomp_timer()
266 	     test_bit(BT_OP_SCAN, &btcoex->op_flags)))  in ath_btcoex_no_stomp_timer()
268 	else if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_ALL)  in ath_btcoex_no_stomp_timer()
272 	spin_unlock_bh(&btcoex->btcoex_lock);  in ath_btcoex_no_stomp_timer()
278 	struct ath_btcoex *btcoex = &sc->btcoex;  in ath_init_btcoex_timer()
280 	btcoex->btcoex_period = ATH_BTCOEX_DEF_BT_PERIOD;  in ath_init_btcoex_timer()
281 	btcoex->btcoex_no_stomp = (100 - ATH_BTCOEX_DEF_DUTY_CYCLE) *  in ath_init_btcoex_timer()
282 		btcoex->btcoex_period / 100;  in ath_init_btcoex_timer()
283 	btcoex->btscan_no_stomp = (100 - ATH_BTCOEX_BTSCAN_DUTY_CYCLE) *  in ath_init_btcoex_timer()
284 				   btcoex->btcoex_period / 100;  in ath_init_btcoex_timer()
285 	btcoex->bt_stomp_type = ATH_BTCOEX_STOMP_LOW;  in ath_init_btcoex_timer()
287 	timer_setup(&btcoex->period_timer, ath_btcoex_period_timer, 0);  in ath_init_btcoex_timer()
288 	timer_setup(&btcoex->no_stomp_timer, ath_btcoex_no_stomp_timer, 0);  in ath_init_btcoex_timer()
290 	spin_lock_init(&btcoex->btcoex_lock);  in ath_init_btcoex_timer()
298 	struct ath_btcoex *btcoex = &sc->btcoex;  in ath9k_btcoex_timer_resume()
299 	struct ath_hw *ah = sc->sc_ah;  in ath9k_btcoex_timer_resume()
308 	del_timer_sync(&btcoex->no_stomp_timer);  in ath9k_btcoex_timer_resume()
310 	btcoex->bt_priority_cnt = 0;  in ath9k_btcoex_timer_resume()
311 	btcoex->bt_priority_time = jiffies;  in ath9k_btcoex_timer_resume()
312 	clear_bit(BT_OP_PRIORITY_DETECTED, &btcoex->op_flags);  in ath9k_btcoex_timer_resume()
313 	clear_bit(BT_OP_SCAN, &btcoex->op_flags);  in ath9k_btcoex_timer_resume()
315 	mod_timer(&btcoex->period_timer, jiffies);  in ath9k_btcoex_timer_resume()
319  * Pause btcoex timer and bt duty cycle timer
323 	struct ath_btcoex *btcoex = &sc->btcoex;  in ath9k_btcoex_timer_pause()
324 	struct ath_hw *ah = sc->sc_ah;  in ath9k_btcoex_timer_pause()
332 	del_timer_sync(&btcoex->period_timer);  in ath9k_btcoex_timer_pause()
333 	del_timer_sync(&btcoex->no_stomp_timer);  in ath9k_btcoex_timer_pause()
338 	struct ath_btcoex *btcoex = &sc->btcoex;  in ath9k_btcoex_stop_gen_timer()
340 	del_timer_sync(&btcoex->no_stomp_timer);  in ath9k_btcoex_stop_gen_timer()
345 	struct ath_btcoex *btcoex = &sc->btcoex;  in ath9k_btcoex_aggr_limit()
346 	struct ath_mci_profile *mci = &sc->btcoex.mci;  in ath9k_btcoex_aggr_limit()
349 	if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_MCI) && mci->aggr_limit)  in ath9k_btcoex_aggr_limit()
350 		aggr_limit = (max_4ms_framelen * mci->aggr_limit) >> 4;  in ath9k_btcoex_aggr_limit()
351 	else if (test_bit(BT_OP_PRIORITY_DETECTED, &btcoex->op_flags))  in ath9k_btcoex_aggr_limit()
366 	struct ath_hw *ah = sc->sc_ah;  in ath9k_start_btcoex()
368 	if (ah->btcoex_hw.enabled ||  in ath9k_start_btcoex()
372 	if (!(ah->caps.hw_caps & ATH9K_HW_CAP_MCI))  in ath9k_start_btcoex()
384 	struct ath_hw *ah = sc->sc_ah;  in ath9k_stop_btcoex()
386 	if (!ah->btcoex_hw.enabled ||  in ath9k_stop_btcoex()
393 	if (ah->caps.hw_caps & ATH9K_HW_CAP_MCI)  in ath9k_stop_btcoex()
394 		ath_mci_flush_profile(&sc->btcoex.mci);  in ath9k_stop_btcoex()
399 	struct ath_hw *ah = sc->sc_ah;  in ath9k_deinit_btcoex()
408 			ath9k_hw_btcoex_deinit(sc->sc_ah);  in ath9k_deinit_btcoex()
415 	struct ath_hw *ah = sc->sc_ah;  in ath9k_init_btcoex()
420 	switch (ath9k_hw_get_btcoex_scheme(sc->sc_ah)) {  in ath9k_init_btcoex()
424 		ath9k_hw_btcoex_init_2wire(sc->sc_ah);  in ath9k_init_btcoex()
427 		ath9k_hw_btcoex_init_3wire(sc->sc_ah);  in ath9k_init_btcoex()
429 		txq = sc->tx.txq_map[IEEE80211_AC_BE];  in ath9k_init_btcoex()
430 		ath9k_hw_init_btcoex_hw(sc->sc_ah, txq->axq_qnum);  in ath9k_init_btcoex()
435 		sc->btcoex.duty_cycle = ATH_BTCOEX_DEF_DUTY_CYCLE;  in ath9k_init_btcoex()
436 		INIT_LIST_HEAD(&sc->btcoex.mci.info);  in ath9k_init_btcoex()
454 	struct ath_btcoex *btcoex = &sc->btcoex;  in ath9k_dump_mci_btcoex()
455 	struct ath_mci_profile *mci = &btcoex->mci;  in ath9k_dump_mci_btcoex()
456 	struct ath_hw *ah = sc->sc_ah;  in ath9k_dump_mci_btcoex()
457 	struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;  in ath9k_dump_mci_btcoex()
461 	ATH_DUMP_BTCOEX("Total BT profiles", NUM_PROF(mci));  in ath9k_dump_mci_btcoex()
462 	ATH_DUMP_BTCOEX("MGMT", mci->num_mgmt);  in ath9k_dump_mci_btcoex()
463 	ATH_DUMP_BTCOEX("SCO", mci->num_sco);  in ath9k_dump_mci_btcoex()
464 	ATH_DUMP_BTCOEX("A2DP", mci->num_a2dp);  in ath9k_dump_mci_btcoex()
465 	ATH_DUMP_BTCOEX("HID", mci->num_hid);  in ath9k_dump_mci_btcoex()
466 	ATH_DUMP_BTCOEX("PAN", mci->num_pan);  in ath9k_dump_mci_btcoex()
467 	ATH_DUMP_BTCOEX("ACL", mci->num_other_acl);  in ath9k_dump_mci_btcoex()
468 	ATH_DUMP_BTCOEX("BDR", mci->num_bdr);  in ath9k_dump_mci_btcoex()
469 	ATH_DUMP_BTCOEX("Aggr. Limit", mci->aggr_limit);  in ath9k_dump_mci_btcoex()
470 	ATH_DUMP_BTCOEX("Stomp Type", btcoex->bt_stomp_type);  in ath9k_dump_mci_btcoex()
471 	ATH_DUMP_BTCOEX("BTCoex Period (msec)", btcoex->btcoex_period);  in ath9k_dump_mci_btcoex()
472 	ATH_DUMP_BTCOEX("Duty Cycle", btcoex->duty_cycle);  in ath9k_dump_mci_btcoex()
473 	ATH_DUMP_BTCOEX("BT Wait time", btcoex->bt_wait_time);  in ath9k_dump_mci_btcoex()
474 	ATH_DUMP_BTCOEX("Concurrent Tx", btcoex_hw->mci.concur_tx);  in ath9k_dump_mci_btcoex()
475 	ATH_DUMP_BTCOEX("Concurrent RSSI cnt", btcoex->rssi_count);  in ath9k_dump_mci_btcoex()
477 	len += scnprintf(buf + len, size - len, "BT Weights: ");  in ath9k_dump_mci_btcoex()
479 		len += scnprintf(buf + len, size - len, "%08x ",  in ath9k_dump_mci_btcoex()
480 				 btcoex_hw->bt_weight[i]);  in ath9k_dump_mci_btcoex()
481 	len += scnprintf(buf + len, size - len, "\n");  in ath9k_dump_mci_btcoex()
482 	len += scnprintf(buf + len, size - len, "WLAN Weights: ");  in ath9k_dump_mci_btcoex()
484 		len += scnprintf(buf + len, size - len, "%08x ",  in ath9k_dump_mci_btcoex()
485 				 btcoex_hw->wlan_weight[i]);  in ath9k_dump_mci_btcoex()
486 	len += scnprintf(buf + len, size - len, "\n");  in ath9k_dump_mci_btcoex()
487 	len += scnprintf(buf + len, size - len, "Tx Priorities: ");  in ath9k_dump_mci_btcoex()
489 		len += scnprintf(buf + len, size - len, "%08x ",  in ath9k_dump_mci_btcoex()
490 				btcoex_hw->tx_prio[i]);  in ath9k_dump_mci_btcoex()
492 	len += scnprintf(buf + len, size - len, "\n");  in ath9k_dump_mci_btcoex()
500 	struct ath_btcoex *btcoex = &sc->btcoex;  in ath9k_dump_legacy_btcoex()
503 	ATH_DUMP_BTCOEX("Stomp Type", btcoex->bt_stomp_type);  in ath9k_dump_legacy_btcoex()
504 	ATH_DUMP_BTCOEX("BTCoex Period (msec)", btcoex->btcoex_period);  in ath9k_dump_legacy_btcoex()
505 	ATH_DUMP_BTCOEX("Duty Cycle", btcoex->duty_cycle);  in ath9k_dump_legacy_btcoex()
506 	ATH_DUMP_BTCOEX("BT Wait time", btcoex->bt_wait_time);  in ath9k_dump_legacy_btcoex()
513 	if (ath9k_hw_mci_is_enabled(sc->sc_ah))  in ath9k_dump_btcoex()