1 // SPDX-License-Identifier: ISC
2 /* Copyright (C) 2019 MediaTek Inc.
3  *
4  * Author: Roy Luo <royluo@google.com>
5  *         Ryder Lee <ryder.lee@mediatek.com>
6  *         Felix Fietkau <nbd@nbd.name>
7  *         Lorenzo Bianconi <lorenzo@kernel.org>
8  */
9 
10 #include <linux/etherdevice.h>
11 #include <linux/hwmon.h>
12 #include <linux/hwmon-sysfs.h>
13 #include "mt7615.h"
14 #include "mac.h"
15 #include "mcu.h"
16 #include "eeprom.h"
17 
18 static ssize_t mt7615_thermal_show_temp(struct device *dev,
19 					struct device_attribute *attr,
20 					char *buf)
21 {
22 	struct mt7615_dev *mdev = dev_get_drvdata(dev);
23 	int temperature;
24 
25 	if (!mt7615_wait_for_mcu_init(mdev))
26 		return 0;
27 
28 	mt7615_mutex_acquire(mdev);
29 	temperature = mt7615_mcu_get_temperature(mdev);
30 	mt7615_mutex_release(mdev);
31 
32 	if (temperature < 0)
33 		return temperature;
34 
35 	/* display in millidegree celcius */
36 	return sprintf(buf, "%u\n", temperature * 1000);
37 }
38 
39 static SENSOR_DEVICE_ATTR(temp1_input, 0444, mt7615_thermal_show_temp,
40 			  NULL, 0);
41 
42 static struct attribute *mt7615_hwmon_attrs[] = {
43 	&sensor_dev_attr_temp1_input.dev_attr.attr,
44 	NULL,
45 };
46 ATTRIBUTE_GROUPS(mt7615_hwmon);
47 
48 int mt7615_thermal_init(struct mt7615_dev *dev)
49 {
50 	struct wiphy *wiphy = mt76_hw(dev)->wiphy;
51 	struct device *hwmon;
52 
53 	if (!IS_REACHABLE(CONFIG_HWMON))
54 		return 0;
55 
56 	hwmon = devm_hwmon_device_register_with_groups(&wiphy->dev,
57 						       wiphy_name(wiphy), dev,
58 						       mt7615_hwmon_groups);
59 	if (IS_ERR(hwmon))
60 		return PTR_ERR(hwmon);
61 
62 	return 0;
63 }
64 EXPORT_SYMBOL_GPL(mt7615_thermal_init);
65 
66 static void
67 mt7615_phy_init(struct mt7615_dev *dev)
68 {
69 	/* disable rf low power beacon mode */
70 	mt76_set(dev, MT_WF_PHY_WF2_RFCTRL0(0), MT_WF_PHY_WF2_RFCTRL0_LPBCN_EN);
71 	mt76_set(dev, MT_WF_PHY_WF2_RFCTRL0(1), MT_WF_PHY_WF2_RFCTRL0_LPBCN_EN);
72 }
73 
74 static void
75 mt7615_init_mac_chain(struct mt7615_dev *dev, int chain)
76 {
77 	u32 val;
78 
79 	if (!chain)
80 		val = MT_CFG_CCR_MAC_D0_1X_GC_EN | MT_CFG_CCR_MAC_D0_2X_GC_EN;
81 	else
82 		val = MT_CFG_CCR_MAC_D1_1X_GC_EN | MT_CFG_CCR_MAC_D1_2X_GC_EN;
83 
84 	/* enable band 0/1 clk */
85 	mt76_set(dev, MT_CFG_CCR, val);
86 
87 	mt76_rmw(dev, MT_TMAC_TRCR(chain),
88 		 MT_TMAC_TRCR_CCA_SEL | MT_TMAC_TRCR_SEC_CCA_SEL,
89 		 FIELD_PREP(MT_TMAC_TRCR_CCA_SEL, 2) |
90 		 FIELD_PREP(MT_TMAC_TRCR_SEC_CCA_SEL, 0));
91 
92 	mt76_wr(dev, MT_AGG_ACR(chain),
93 		MT_AGG_ACR_PKT_TIME_EN | MT_AGG_ACR_NO_BA_AR_RULE |
94 		FIELD_PREP(MT_AGG_ACR_CFEND_RATE, MT7615_CFEND_RATE_DEFAULT) |
95 		FIELD_PREP(MT_AGG_ACR_BAR_RATE, MT7615_BAR_RATE_DEFAULT));
96 
97 	mt76_wr(dev, MT_AGG_ARUCR(chain),
98 		FIELD_PREP(MT_AGG_ARxCR_LIMIT(0), 7) |
99 		FIELD_PREP(MT_AGG_ARxCR_LIMIT(1), 2) |
100 		FIELD_PREP(MT_AGG_ARxCR_LIMIT(2), 2) |
101 		FIELD_PREP(MT_AGG_ARxCR_LIMIT(3), 2) |
102 		FIELD_PREP(MT_AGG_ARxCR_LIMIT(4), 1) |
103 		FIELD_PREP(MT_AGG_ARxCR_LIMIT(5), 1) |
104 		FIELD_PREP(MT_AGG_ARxCR_LIMIT(6), 1) |
105 		FIELD_PREP(MT_AGG_ARxCR_LIMIT(7), 1));
106 
107 	mt76_wr(dev, MT_AGG_ARDCR(chain),
108 		FIELD_PREP(MT_AGG_ARxCR_LIMIT(0), MT7615_RATE_RETRY - 1) |
109 		FIELD_PREP(MT_AGG_ARxCR_LIMIT(1), MT7615_RATE_RETRY - 1) |
110 		FIELD_PREP(MT_AGG_ARxCR_LIMIT(2), MT7615_RATE_RETRY - 1) |
111 		FIELD_PREP(MT_AGG_ARxCR_LIMIT(3), MT7615_RATE_RETRY - 1) |
112 		FIELD_PREP(MT_AGG_ARxCR_LIMIT(4), MT7615_RATE_RETRY - 1) |
113 		FIELD_PREP(MT_AGG_ARxCR_LIMIT(5), MT7615_RATE_RETRY - 1) |
114 		FIELD_PREP(MT_AGG_ARxCR_LIMIT(6), MT7615_RATE_RETRY - 1) |
115 		FIELD_PREP(MT_AGG_ARxCR_LIMIT(7), MT7615_RATE_RETRY - 1));
116 
117 	mt76_clear(dev, MT_DMA_RCFR0(chain), MT_DMA_RCFR0_MCU_RX_TDLS);
118 	if (!mt7615_firmware_offload(dev)) {
119 		u32 mask, set;
120 
121 		mask = MT_DMA_RCFR0_MCU_RX_MGMT |
122 		       MT_DMA_RCFR0_MCU_RX_CTL_NON_BAR |
123 		       MT_DMA_RCFR0_MCU_RX_CTL_BAR |
124 		       MT_DMA_RCFR0_MCU_RX_BYPASS |
125 		       MT_DMA_RCFR0_RX_DROPPED_UCAST |
126 		       MT_DMA_RCFR0_RX_DROPPED_MCAST;
127 		set = FIELD_PREP(MT_DMA_RCFR0_RX_DROPPED_UCAST, 2) |
128 		      FIELD_PREP(MT_DMA_RCFR0_RX_DROPPED_MCAST, 2);
129 		mt76_rmw(dev, MT_DMA_RCFR0(chain), mask, set);
130 	}
131 }
132 
133 static void
134 mt7615_mac_init(struct mt7615_dev *dev)
135 {
136 	int i;
137 
138 	mt7615_init_mac_chain(dev, 0);
139 
140 	mt76_rmw_field(dev, MT_TMAC_CTCR0,
141 		       MT_TMAC_CTCR0_INS_DDLMT_REFTIME, 0x3f);
142 	mt76_rmw_field(dev, MT_TMAC_CTCR0,
143 		       MT_TMAC_CTCR0_INS_DDLMT_DENSITY, 0x3);
144 	mt76_rmw(dev, MT_TMAC_CTCR0,
145 		 MT_TMAC_CTCR0_INS_DDLMT_VHT_SMPDU_EN |
146 		 MT_TMAC_CTCR0_INS_DDLMT_EN,
147 		 MT_TMAC_CTCR0_INS_DDLMT_VHT_SMPDU_EN |
148 		 MT_TMAC_CTCR0_INS_DDLMT_EN);
149 
150 	mt76_connac_mcu_set_rts_thresh(&dev->mt76, 0x92b, 0);
151 	mt7615_mac_set_scs(&dev->phy, true);
152 
153 	mt76_rmw(dev, MT_AGG_SCR, MT_AGG_SCR_NLNAV_MID_PTEC_DIS,
154 		 MT_AGG_SCR_NLNAV_MID_PTEC_DIS);
155 
156 	mt76_wr(dev, MT_AGG_ARCR,
157 		FIELD_PREP(MT_AGG_ARCR_RTS_RATE_THR, 2) |
158 		MT_AGG_ARCR_RATE_DOWN_RATIO_EN |
159 		FIELD_PREP(MT_AGG_ARCR_RATE_DOWN_RATIO, 1) |
160 		FIELD_PREP(MT_AGG_ARCR_RATE_UP_EXTRA_TH, 4));
161 
162 	for (i = 0; i < MT7615_WTBL_SIZE; i++)
163 		mt7615_mac_wtbl_update(dev, i,
164 				       MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
165 
166 	mt76_set(dev, MT_WF_RMAC_MIB_TIME0, MT_WF_RMAC_MIB_RXTIME_EN);
167 	mt76_set(dev, MT_WF_RMAC_MIB_AIRTIME0, MT_WF_RMAC_MIB_RXTIME_EN);
168 
169 	mt76_wr(dev, MT_DMA_DCR0,
170 		FIELD_PREP(MT_DMA_DCR0_MAX_RX_LEN, 3072) |
171 		MT_DMA_DCR0_RX_VEC_DROP | MT_DMA_DCR0_DAMSDU_EN |
172 		MT_DMA_DCR0_RX_HDR_TRANS_EN);
173 	/* disable TDLS filtering */
174 	mt76_clear(dev, MT_WF_PFCR, MT_WF_PFCR_TDLS_EN);
175 	mt76_set(dev, MT_WF_MIB_SCR0, MT_MIB_SCR0_AGG_CNT_RANGE_EN);
176 	if (is_mt7663(&dev->mt76)) {
177 		mt76_wr(dev, MT_WF_AGG(0x160), 0x5c341c02);
178 		mt76_wr(dev, MT_WF_AGG(0x164), 0x70708040);
179 	} else {
180 		mt7615_init_mac_chain(dev, 1);
181 	}
182 	mt7615_mcu_set_rx_hdr_trans_blacklist(dev);
183 }
184 
185 static void
186 mt7615_check_offload_capability(struct mt7615_dev *dev)
187 {
188 	struct ieee80211_hw *hw = mt76_hw(dev);
189 	struct wiphy *wiphy = hw->wiphy;
190 
191 	if (mt7615_firmware_offload(dev)) {
192 		ieee80211_hw_set(hw, SUPPORTS_PS);
193 		ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS);
194 
195 		wiphy->max_remain_on_channel_duration = 5000;
196 		wiphy->features |= NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR |
197 				   NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR |
198 				   WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
199 				   NL80211_FEATURE_P2P_GO_CTWIN |
200 				   NL80211_FEATURE_P2P_GO_OPPPS;
201 	} else {
202 		dev->ops->hw_scan = NULL;
203 		dev->ops->cancel_hw_scan = NULL;
204 		dev->ops->sched_scan_start = NULL;
205 		dev->ops->sched_scan_stop = NULL;
206 		dev->ops->set_rekey_data = NULL;
207 		dev->ops->remain_on_channel = NULL;
208 		dev->ops->cancel_remain_on_channel = NULL;
209 
210 		wiphy->max_sched_scan_plan_interval = 0;
211 		wiphy->max_sched_scan_ie_len = 0;
212 		wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN;
213 		wiphy->max_sched_scan_ssids = 0;
214 		wiphy->max_match_sets = 0;
215 		wiphy->max_sched_scan_reqs = 0;
216 	}
217 }
218 
219 bool mt7615_wait_for_mcu_init(struct mt7615_dev *dev)
220 {
221 	flush_work(&dev->mcu_work);
222 
223 	return test_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state);
224 }
225 EXPORT_SYMBOL_GPL(mt7615_wait_for_mcu_init);
226 
227 static const struct ieee80211_iface_limit if_limits[] = {
228 	{
229 		.max = 1,
230 		.types = BIT(NL80211_IFTYPE_ADHOC)
231 	}, {
232 		.max = MT7615_MAX_INTERFACES,
233 		.types = BIT(NL80211_IFTYPE_AP) |
234 #ifdef CONFIG_MAC80211_MESH
235 			 BIT(NL80211_IFTYPE_MESH_POINT) |
236 #endif
237 			 BIT(NL80211_IFTYPE_P2P_CLIENT) |
238 			 BIT(NL80211_IFTYPE_P2P_GO) |
239 			 BIT(NL80211_IFTYPE_STATION)
240 	}
241 };
242 
243 static const struct ieee80211_iface_combination if_comb_radar[] = {
244 	{
245 		.limits = if_limits,
246 		.n_limits = ARRAY_SIZE(if_limits),
247 		.max_interfaces = MT7615_MAX_INTERFACES,
248 		.num_different_channels = 1,
249 		.beacon_int_infra_match = true,
250 		.radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
251 				       BIT(NL80211_CHAN_WIDTH_20) |
252 				       BIT(NL80211_CHAN_WIDTH_40) |
253 				       BIT(NL80211_CHAN_WIDTH_80) |
254 				       BIT(NL80211_CHAN_WIDTH_160) |
255 				       BIT(NL80211_CHAN_WIDTH_80P80),
256 	}
257 };
258 
259 static const struct ieee80211_iface_combination if_comb[] = {
260 	{
261 		.limits = if_limits,
262 		.n_limits = ARRAY_SIZE(if_limits),
263 		.max_interfaces = MT7615_MAX_INTERFACES,
264 		.num_different_channels = 1,
265 		.beacon_int_infra_match = true,
266 	}
267 };
268 
269 void mt7615_init_txpower(struct mt7615_dev *dev,
270 			 struct ieee80211_supported_band *sband)
271 {
272 	int i, n_chains = hweight8(dev->mphy.antenna_mask), target_chains;
273 	int delta_idx, delta = mt76_tx_power_nss_delta(n_chains);
274 	u8 *eep = (u8 *)dev->mt76.eeprom.data;
275 	enum nl80211_band band = sband->band;
276 	struct mt76_power_limits limits;
277 	u8 rate_val;
278 
279 	delta_idx = mt7615_eeprom_get_power_delta_index(dev, band);
280 	rate_val = eep[delta_idx];
281 	if ((rate_val & ~MT_EE_RATE_POWER_MASK) ==
282 	    (MT_EE_RATE_POWER_EN | MT_EE_RATE_POWER_SIGN))
283 		delta += rate_val & MT_EE_RATE_POWER_MASK;
284 
285 	if (!is_mt7663(&dev->mt76) && mt7615_ext_pa_enabled(dev, band))
286 		target_chains = 1;
287 	else
288 		target_chains = n_chains;
289 
290 	for (i = 0; i < sband->n_channels; i++) {
291 		struct ieee80211_channel *chan = &sband->channels[i];
292 		u8 target_power = 0;
293 		int j;
294 
295 		for (j = 0; j < target_chains; j++) {
296 			int index;
297 
298 			index = mt7615_eeprom_get_target_power_index(dev, chan, j);
299 			if (index < 0)
300 				continue;
301 
302 			target_power = max(target_power, eep[index]);
303 		}
304 
305 		target_power = mt76_get_rate_power_limits(&dev->mphy, chan,
306 							  &limits,
307 							  target_power);
308 		target_power += delta;
309 		target_power = DIV_ROUND_UP(target_power, 2);
310 		chan->max_power = min_t(int, chan->max_reg_power,
311 					target_power);
312 		chan->orig_mpwr = target_power;
313 	}
314 }
315 EXPORT_SYMBOL_GPL(mt7615_init_txpower);
316 
317 void mt7615_init_work(struct mt7615_dev *dev)
318 {
319 	mt7615_mcu_set_eeprom(dev);
320 	mt7615_mac_init(dev);
321 	mt7615_phy_init(dev);
322 	mt7615_mcu_del_wtbl_all(dev);
323 	mt7615_check_offload_capability(dev);
324 }
325 EXPORT_SYMBOL_GPL(mt7615_init_work);
326 
327 static void
328 mt7615_regd_notifier(struct wiphy *wiphy,
329 		     struct regulatory_request *request)
330 {
331 	struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
332 	struct mt7615_dev *dev = mt7615_hw_dev(hw);
333 	struct mt76_phy *mphy = hw->priv;
334 	struct mt7615_phy *phy = mphy->priv;
335 	struct cfg80211_chan_def *chandef = &mphy->chandef;
336 
337 	memcpy(dev->mt76.alpha2, request->alpha2, sizeof(dev->mt76.alpha2));
338 	dev->mt76.region = request->dfs_region;
339 
340 	mt7615_init_txpower(dev, &mphy->sband_2g.sband);
341 	mt7615_init_txpower(dev, &mphy->sband_5g.sband);
342 
343 	mt7615_mutex_acquire(dev);
344 
345 	if (chandef->chan->flags & IEEE80211_CHAN_RADAR)
346 		mt7615_dfs_init_radar_detector(phy);
347 
348 	if (mt7615_firmware_offload(phy->dev)) {
349 		mt76_connac_mcu_set_channel_domain(mphy);
350 		mt76_connac_mcu_set_rate_txpower(mphy);
351 	}
352 
353 	mt7615_mutex_release(dev);
354 }
355 
356 static void
357 mt7615_init_wiphy(struct ieee80211_hw *hw)
358 {
359 	struct mt7615_phy *phy = mt7615_hw_phy(hw);
360 	struct wiphy *wiphy = hw->wiphy;
361 
362 	hw->queues = 4;
363 	hw->max_rates = 3;
364 	hw->max_report_rates = 7;
365 	hw->max_rate_tries = 11;
366 	hw->netdev_features = NETIF_F_RXCSUM;
367 
368 	hw->radiotap_timestamp.units_pos =
369 		IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US;
370 
371 	phy->slottime = 9;
372 
373 	hw->sta_data_size = sizeof(struct mt7615_sta);
374 	hw->vif_data_size = sizeof(struct mt7615_vif);
375 
376 	if (is_mt7663(&phy->dev->mt76)) {
377 		wiphy->iface_combinations = if_comb;
378 		wiphy->n_iface_combinations = ARRAY_SIZE(if_comb);
379 	} else {
380 		wiphy->iface_combinations = if_comb_radar;
381 		wiphy->n_iface_combinations = ARRAY_SIZE(if_comb_radar);
382 	}
383 	wiphy->reg_notifier = mt7615_regd_notifier;
384 
385 	wiphy->max_sched_scan_plan_interval =
386 		MT76_CONNAC_MAX_TIME_SCHED_SCAN_INTERVAL;
387 	wiphy->max_sched_scan_ie_len = IEEE80211_MAX_DATA_LEN;
388 	wiphy->max_scan_ie_len = MT76_CONNAC_SCAN_IE_LEN;
389 	wiphy->max_sched_scan_ssids = MT76_CONNAC_MAX_SCHED_SCAN_SSID;
390 	wiphy->max_match_sets = MT76_CONNAC_MAX_SCAN_MATCH;
391 	wiphy->max_sched_scan_reqs = 1;
392 	wiphy->max_scan_ssids = 4;
393 
394 	wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_SET_SCAN_DWELL);
395 	wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_VHT_IBSS);
396 
397 	ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS);
398 	ieee80211_hw_set(hw, TX_STATUS_NO_AMPDU_LEN);
399 	ieee80211_hw_set(hw, WANT_MONITOR_VIF);
400 	ieee80211_hw_set(hw, SUPPORTS_RX_DECAP_OFFLOAD);
401 
402 	if (is_mt7615(&phy->dev->mt76))
403 		hw->max_tx_fragments = MT_TXP_MAX_BUF_NUM;
404 	else
405 		hw->max_tx_fragments = MT_HW_TXP_MAX_BUF_NUM;
406 
407 	phy->mt76->sband_2g.sband.ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING;
408 	phy->mt76->sband_5g.sband.ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING;
409 	phy->mt76->sband_5g.sband.vht_cap.cap |=
410 			IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK;
411 }
412 
413 static void
414 mt7615_cap_dbdc_enable(struct mt7615_dev *dev)
415 {
416 	dev->mphy.sband_5g.sband.vht_cap.cap &=
417 			~(IEEE80211_VHT_CAP_SHORT_GI_160 |
418 			  IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ);
419 	if (dev->chainmask == 0xf)
420 		dev->mphy.antenna_mask = dev->chainmask >> 2;
421 	else
422 		dev->mphy.antenna_mask = dev->chainmask >> 1;
423 	dev->mphy.chainmask = dev->mphy.antenna_mask;
424 	dev->mphy.hw->wiphy->available_antennas_rx = dev->mphy.chainmask;
425 	dev->mphy.hw->wiphy->available_antennas_tx = dev->mphy.chainmask;
426 	mt76_set_stream_caps(&dev->mphy, true);
427 }
428 
429 static void
430 mt7615_cap_dbdc_disable(struct mt7615_dev *dev)
431 {
432 	dev->mphy.sband_5g.sband.vht_cap.cap |=
433 			IEEE80211_VHT_CAP_SHORT_GI_160 |
434 			IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
435 	dev->mphy.antenna_mask = dev->chainmask;
436 	dev->mphy.chainmask = dev->chainmask;
437 	dev->mphy.hw->wiphy->available_antennas_rx = dev->chainmask;
438 	dev->mphy.hw->wiphy->available_antennas_tx = dev->chainmask;
439 	mt76_set_stream_caps(&dev->mphy, true);
440 }
441 
442 int mt7615_register_ext_phy(struct mt7615_dev *dev)
443 {
444 	struct mt7615_phy *phy = mt7615_ext_phy(dev);
445 	struct mt76_phy *mphy;
446 	int i, ret;
447 
448 	if (!is_mt7615(&dev->mt76))
449 		return -EOPNOTSUPP;
450 
451 	if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state))
452 		return -EINVAL;
453 
454 	if (phy)
455 		return 0;
456 
457 	mt7615_cap_dbdc_enable(dev);
458 	mphy = mt76_alloc_phy(&dev->mt76, sizeof(*phy), &mt7615_ops);
459 	if (!mphy)
460 		return -ENOMEM;
461 
462 	phy = mphy->priv;
463 	phy->dev = dev;
464 	phy->mt76 = mphy;
465 	mphy->chainmask = dev->chainmask & ~dev->mphy.chainmask;
466 	mphy->antenna_mask = BIT(hweight8(mphy->chainmask)) - 1;
467 	mt7615_init_wiphy(mphy->hw);
468 
469 	INIT_DELAYED_WORK(&mphy->mac_work, mt7615_mac_work);
470 	INIT_DELAYED_WORK(&phy->scan_work, mt7615_scan_work);
471 	skb_queue_head_init(&phy->scan_event_list);
472 
473 	INIT_WORK(&phy->roc_work, mt7615_roc_work);
474 	timer_setup(&phy->roc_timer, mt7615_roc_timer, 0);
475 	init_waitqueue_head(&phy->roc_wait);
476 
477 	mt7615_mac_set_scs(phy, true);
478 
479 	/*
480 	 * Make the secondary PHY MAC address local without overlapping with
481 	 * the usual MAC address allocation scheme on multiple virtual interfaces
482 	 */
483 	memcpy(mphy->macaddr, dev->mt76.eeprom.data + MT_EE_MAC_ADDR,
484 	       ETH_ALEN);
485 	mphy->macaddr[0] |= 2;
486 	mphy->macaddr[0] ^= BIT(7);
487 	mt76_eeprom_override(mphy);
488 
489 	/* second phy can only handle 5 GHz */
490 	mphy->cap.has_5ghz = true;
491 
492 	/* mt7615 second phy shares the same hw queues with the primary one */
493 	for (i = 0; i <= MT_TXQ_PSD ; i++)
494 		mphy->q_tx[i] = dev->mphy.q_tx[i];
495 
496 	ret = mt76_register_phy(mphy, true, mt76_rates,
497 				ARRAY_SIZE(mt76_rates));
498 	if (ret)
499 		ieee80211_free_hw(mphy->hw);
500 
501 	return ret;
502 }
503 EXPORT_SYMBOL_GPL(mt7615_register_ext_phy);
504 
505 void mt7615_unregister_ext_phy(struct mt7615_dev *dev)
506 {
507 	struct mt7615_phy *phy = mt7615_ext_phy(dev);
508 	struct mt76_phy *mphy = dev->mt76.phy2;
509 
510 	if (!phy)
511 		return;
512 
513 	mt7615_cap_dbdc_disable(dev);
514 	mt76_unregister_phy(mphy);
515 	ieee80211_free_hw(mphy->hw);
516 }
517 EXPORT_SYMBOL_GPL(mt7615_unregister_ext_phy);
518 
519 void mt7615_init_device(struct mt7615_dev *dev)
520 {
521 	struct ieee80211_hw *hw = mt76_hw(dev);
522 
523 	dev->phy.dev = dev;
524 	dev->phy.mt76 = &dev->mt76.phy;
525 	dev->mt76.phy.priv = &dev->phy;
526 	dev->mt76.tx_worker.fn = mt7615_tx_worker;
527 
528 	INIT_DELAYED_WORK(&dev->pm.ps_work, mt7615_pm_power_save_work);
529 	INIT_WORK(&dev->pm.wake_work, mt7615_pm_wake_work);
530 	spin_lock_init(&dev->pm.wake.lock);
531 	mutex_init(&dev->pm.mutex);
532 	init_waitqueue_head(&dev->pm.wait);
533 	spin_lock_init(&dev->pm.txq_lock);
534 	INIT_DELAYED_WORK(&dev->mphy.mac_work, mt7615_mac_work);
535 	INIT_DELAYED_WORK(&dev->phy.scan_work, mt7615_scan_work);
536 	INIT_DELAYED_WORK(&dev->coredump.work, mt7615_coredump_work);
537 	skb_queue_head_init(&dev->phy.scan_event_list);
538 	skb_queue_head_init(&dev->coredump.msg_list);
539 	INIT_LIST_HEAD(&dev->sta_poll_list);
540 	spin_lock_init(&dev->sta_poll_lock);
541 	init_waitqueue_head(&dev->reset_wait);
542 	init_waitqueue_head(&dev->phy.roc_wait);
543 
544 	INIT_WORK(&dev->phy.roc_work, mt7615_roc_work);
545 	timer_setup(&dev->phy.roc_timer, mt7615_roc_timer, 0);
546 
547 	mt7615_init_wiphy(hw);
548 	dev->pm.idle_timeout = MT7615_PM_TIMEOUT;
549 	dev->pm.stats.last_wake_event = jiffies;
550 	dev->pm.stats.last_doze_event = jiffies;
551 	mt7615_cap_dbdc_disable(dev);
552 	dev->phy.dfs_state = -1;
553 
554 #ifdef CONFIG_NL80211_TESTMODE
555 	dev->mt76.test_ops = &mt7615_testmode_ops;
556 #endif
557 }
558 EXPORT_SYMBOL_GPL(mt7615_init_device);
559