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 
mt7615_thermal_show_temp(struct device * dev,struct device_attribute * attr,char * buf)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 
mt7615_thermal_init(struct mt7615_dev * dev)48 int mt7615_thermal_init(struct mt7615_dev *dev)
49 {
50 	struct wiphy *wiphy = mt76_hw(dev)->wiphy;
51 	struct device *hwmon;
52 	const char *name;
53 
54 	if (!IS_REACHABLE(CONFIG_HWMON))
55 		return 0;
56 
57 	name = devm_kasprintf(&wiphy->dev, GFP_KERNEL, "mt7615_%s",
58 			      wiphy_name(wiphy));
59 	hwmon = devm_hwmon_device_register_with_groups(&wiphy->dev, name, dev,
60 						       mt7615_hwmon_groups);
61 	if (IS_ERR(hwmon))
62 		return PTR_ERR(hwmon);
63 
64 	return 0;
65 }
66 EXPORT_SYMBOL_GPL(mt7615_thermal_init);
67 
68 static void
mt7615_phy_init(struct mt7615_dev * dev)69 mt7615_phy_init(struct mt7615_dev *dev)
70 {
71 	/* disable rf low power beacon mode */
72 	mt76_set(dev, MT_WF_PHY_WF2_RFCTRL0(0), MT_WF_PHY_WF2_RFCTRL0_LPBCN_EN);
73 	mt76_set(dev, MT_WF_PHY_WF2_RFCTRL0(1), MT_WF_PHY_WF2_RFCTRL0_LPBCN_EN);
74 }
75 
76 static void
mt7615_init_mac_chain(struct mt7615_dev * dev,int chain)77 mt7615_init_mac_chain(struct mt7615_dev *dev, int chain)
78 {
79 	u32 val;
80 
81 	if (!chain)
82 		val = MT_CFG_CCR_MAC_D0_1X_GC_EN | MT_CFG_CCR_MAC_D0_2X_GC_EN;
83 	else
84 		val = MT_CFG_CCR_MAC_D1_1X_GC_EN | MT_CFG_CCR_MAC_D1_2X_GC_EN;
85 
86 	/* enable band 0/1 clk */
87 	mt76_set(dev, MT_CFG_CCR, val);
88 
89 	mt76_rmw(dev, MT_TMAC_TRCR(chain),
90 		 MT_TMAC_TRCR_CCA_SEL | MT_TMAC_TRCR_SEC_CCA_SEL,
91 		 FIELD_PREP(MT_TMAC_TRCR_CCA_SEL, 2) |
92 		 FIELD_PREP(MT_TMAC_TRCR_SEC_CCA_SEL, 0));
93 
94 	mt76_wr(dev, MT_AGG_ACR(chain),
95 		MT_AGG_ACR_PKT_TIME_EN | MT_AGG_ACR_NO_BA_AR_RULE |
96 		FIELD_PREP(MT_AGG_ACR_CFEND_RATE, MT7615_CFEND_RATE_DEFAULT) |
97 		FIELD_PREP(MT_AGG_ACR_BAR_RATE, MT7615_BAR_RATE_DEFAULT));
98 
99 	mt76_wr(dev, MT_AGG_ARUCR(chain),
100 		FIELD_PREP(MT_AGG_ARxCR_LIMIT(0), 7) |
101 		FIELD_PREP(MT_AGG_ARxCR_LIMIT(1), 2) |
102 		FIELD_PREP(MT_AGG_ARxCR_LIMIT(2), 2) |
103 		FIELD_PREP(MT_AGG_ARxCR_LIMIT(3), 2) |
104 		FIELD_PREP(MT_AGG_ARxCR_LIMIT(4), 1) |
105 		FIELD_PREP(MT_AGG_ARxCR_LIMIT(5), 1) |
106 		FIELD_PREP(MT_AGG_ARxCR_LIMIT(6), 1) |
107 		FIELD_PREP(MT_AGG_ARxCR_LIMIT(7), 1));
108 
109 	mt76_wr(dev, MT_AGG_ARDCR(chain),
110 		FIELD_PREP(MT_AGG_ARxCR_LIMIT(0), MT7615_RATE_RETRY - 1) |
111 		FIELD_PREP(MT_AGG_ARxCR_LIMIT(1), MT7615_RATE_RETRY - 1) |
112 		FIELD_PREP(MT_AGG_ARxCR_LIMIT(2), MT7615_RATE_RETRY - 1) |
113 		FIELD_PREP(MT_AGG_ARxCR_LIMIT(3), MT7615_RATE_RETRY - 1) |
114 		FIELD_PREP(MT_AGG_ARxCR_LIMIT(4), MT7615_RATE_RETRY - 1) |
115 		FIELD_PREP(MT_AGG_ARxCR_LIMIT(5), MT7615_RATE_RETRY - 1) |
116 		FIELD_PREP(MT_AGG_ARxCR_LIMIT(6), MT7615_RATE_RETRY - 1) |
117 		FIELD_PREP(MT_AGG_ARxCR_LIMIT(7), MT7615_RATE_RETRY - 1));
118 
119 	mt76_clear(dev, MT_DMA_RCFR0(chain), MT_DMA_RCFR0_MCU_RX_TDLS);
120 	if (!mt7615_firmware_offload(dev)) {
121 		u32 mask, set;
122 
123 		mask = MT_DMA_RCFR0_MCU_RX_MGMT |
124 		       MT_DMA_RCFR0_MCU_RX_CTL_NON_BAR |
125 		       MT_DMA_RCFR0_MCU_RX_CTL_BAR |
126 		       MT_DMA_RCFR0_MCU_RX_BYPASS |
127 		       MT_DMA_RCFR0_RX_DROPPED_UCAST |
128 		       MT_DMA_RCFR0_RX_DROPPED_MCAST;
129 		set = FIELD_PREP(MT_DMA_RCFR0_RX_DROPPED_UCAST, 2) |
130 		      FIELD_PREP(MT_DMA_RCFR0_RX_DROPPED_MCAST, 2);
131 		mt76_rmw(dev, MT_DMA_RCFR0(chain), mask, set);
132 	}
133 }
134 
135 static void
mt7615_mac_init(struct mt7615_dev * dev)136 mt7615_mac_init(struct mt7615_dev *dev)
137 {
138 	int i;
139 
140 	mt7615_init_mac_chain(dev, 0);
141 
142 	mt76_rmw_field(dev, MT_TMAC_CTCR0,
143 		       MT_TMAC_CTCR0_INS_DDLMT_REFTIME, 0x3f);
144 	mt76_rmw_field(dev, MT_TMAC_CTCR0,
145 		       MT_TMAC_CTCR0_INS_DDLMT_DENSITY, 0x3);
146 	mt76_rmw(dev, MT_TMAC_CTCR0,
147 		 MT_TMAC_CTCR0_INS_DDLMT_VHT_SMPDU_EN |
148 		 MT_TMAC_CTCR0_INS_DDLMT_EN,
149 		 MT_TMAC_CTCR0_INS_DDLMT_VHT_SMPDU_EN |
150 		 MT_TMAC_CTCR0_INS_DDLMT_EN);
151 
152 	mt76_connac_mcu_set_rts_thresh(&dev->mt76, 0x92b, 0);
153 	mt7615_mac_set_scs(&dev->phy, true);
154 
155 	mt76_rmw(dev, MT_AGG_SCR, MT_AGG_SCR_NLNAV_MID_PTEC_DIS,
156 		 MT_AGG_SCR_NLNAV_MID_PTEC_DIS);
157 
158 	mt76_wr(dev, MT_AGG_ARCR,
159 		FIELD_PREP(MT_AGG_ARCR_RTS_RATE_THR, 2) |
160 		MT_AGG_ARCR_RATE_DOWN_RATIO_EN |
161 		FIELD_PREP(MT_AGG_ARCR_RATE_DOWN_RATIO, 1) |
162 		FIELD_PREP(MT_AGG_ARCR_RATE_UP_EXTRA_TH, 4));
163 
164 	for (i = 0; i < MT7615_WTBL_SIZE; i++)
165 		mt7615_mac_wtbl_update(dev, i,
166 				       MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
167 
168 	mt76_set(dev, MT_WF_RMAC_MIB_TIME0, MT_WF_RMAC_MIB_RXTIME_EN);
169 	mt76_set(dev, MT_WF_RMAC_MIB_AIRTIME0, MT_WF_RMAC_MIB_RXTIME_EN);
170 
171 	mt76_wr(dev, MT_DMA_DCR0,
172 		FIELD_PREP(MT_DMA_DCR0_MAX_RX_LEN, 3072) |
173 		MT_DMA_DCR0_RX_VEC_DROP | MT_DMA_DCR0_DAMSDU_EN |
174 		MT_DMA_DCR0_RX_HDR_TRANS_EN);
175 	/* disable TDLS filtering */
176 	mt76_clear(dev, MT_WF_PFCR, MT_WF_PFCR_TDLS_EN);
177 	mt76_set(dev, MT_WF_MIB_SCR0, MT_MIB_SCR0_AGG_CNT_RANGE_EN);
178 	if (is_mt7663(&dev->mt76)) {
179 		mt76_wr(dev, MT_WF_AGG(0x160), 0x5c341c02);
180 		mt76_wr(dev, MT_WF_AGG(0x164), 0x70708040);
181 	} else {
182 		mt7615_init_mac_chain(dev, 1);
183 	}
184 	mt7615_mcu_set_rx_hdr_trans_blacklist(dev);
185 }
186 
187 static void
mt7615_check_offload_capability(struct mt7615_dev * dev)188 mt7615_check_offload_capability(struct mt7615_dev *dev)
189 {
190 	struct ieee80211_hw *hw = mt76_hw(dev);
191 	struct wiphy *wiphy = hw->wiphy;
192 
193 	if (mt7615_firmware_offload(dev)) {
194 		ieee80211_hw_set(hw, SUPPORTS_PS);
195 		ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS);
196 
197 		wiphy->flags &= ~WIPHY_FLAG_4ADDR_STATION;
198 		wiphy->max_remain_on_channel_duration = 5000;
199 		wiphy->features |= NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR |
200 				   NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR |
201 				   WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
202 				   NL80211_FEATURE_P2P_GO_CTWIN |
203 				   NL80211_FEATURE_P2P_GO_OPPPS;
204 	} else {
205 		dev->ops->hw_scan = NULL;
206 		dev->ops->cancel_hw_scan = NULL;
207 		dev->ops->sched_scan_start = NULL;
208 		dev->ops->sched_scan_stop = NULL;
209 		dev->ops->set_rekey_data = NULL;
210 		dev->ops->remain_on_channel = NULL;
211 		dev->ops->cancel_remain_on_channel = NULL;
212 
213 		wiphy->max_sched_scan_plan_interval = 0;
214 		wiphy->max_sched_scan_ie_len = 0;
215 		wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN;
216 		wiphy->max_sched_scan_ssids = 0;
217 		wiphy->max_match_sets = 0;
218 		wiphy->max_sched_scan_reqs = 0;
219 	}
220 }
221 
mt7615_wait_for_mcu_init(struct mt7615_dev * dev)222 bool mt7615_wait_for_mcu_init(struct mt7615_dev *dev)
223 {
224 	flush_work(&dev->mcu_work);
225 
226 	return test_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state);
227 }
228 EXPORT_SYMBOL_GPL(mt7615_wait_for_mcu_init);
229 
230 static const struct ieee80211_iface_limit if_limits[] = {
231 	{
232 		.max = 1,
233 		.types = BIT(NL80211_IFTYPE_ADHOC)
234 	}, {
235 		.max = MT7615_MAX_INTERFACES,
236 		.types = BIT(NL80211_IFTYPE_AP) |
237 #ifdef CONFIG_MAC80211_MESH
238 			 BIT(NL80211_IFTYPE_MESH_POINT) |
239 #endif
240 			 BIT(NL80211_IFTYPE_P2P_CLIENT) |
241 			 BIT(NL80211_IFTYPE_P2P_GO) |
242 			 BIT(NL80211_IFTYPE_STATION)
243 	}
244 };
245 
246 static const struct ieee80211_iface_combination if_comb_radar[] = {
247 	{
248 		.limits = if_limits,
249 		.n_limits = ARRAY_SIZE(if_limits),
250 		.max_interfaces = MT7615_MAX_INTERFACES,
251 		.num_different_channels = 1,
252 		.beacon_int_infra_match = true,
253 		.radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
254 				       BIT(NL80211_CHAN_WIDTH_20) |
255 				       BIT(NL80211_CHAN_WIDTH_40) |
256 				       BIT(NL80211_CHAN_WIDTH_80) |
257 				       BIT(NL80211_CHAN_WIDTH_160) |
258 				       BIT(NL80211_CHAN_WIDTH_80P80),
259 	}
260 };
261 
262 static const struct ieee80211_iface_combination if_comb[] = {
263 	{
264 		.limits = if_limits,
265 		.n_limits = ARRAY_SIZE(if_limits),
266 		.max_interfaces = MT7615_MAX_INTERFACES,
267 		.num_different_channels = 1,
268 		.beacon_int_infra_match = true,
269 	}
270 };
271 
mt7615_init_txpower(struct mt7615_dev * dev,struct ieee80211_supported_band * sband)272 void mt7615_init_txpower(struct mt7615_dev *dev,
273 			 struct ieee80211_supported_band *sband)
274 {
275 	int i, n_chains = hweight8(dev->mphy.antenna_mask), target_chains;
276 	int delta_idx, delta = mt76_tx_power_nss_delta(n_chains);
277 	u8 *eep = (u8 *)dev->mt76.eeprom.data;
278 	enum nl80211_band band = sband->band;
279 	struct mt76_power_limits limits;
280 	u8 rate_val;
281 
282 	delta_idx = mt7615_eeprom_get_power_delta_index(dev, band);
283 	rate_val = eep[delta_idx];
284 	if ((rate_val & ~MT_EE_RATE_POWER_MASK) ==
285 	    (MT_EE_RATE_POWER_EN | MT_EE_RATE_POWER_SIGN))
286 		delta += rate_val & MT_EE_RATE_POWER_MASK;
287 
288 	if (!is_mt7663(&dev->mt76) && mt7615_ext_pa_enabled(dev, band))
289 		target_chains = 1;
290 	else
291 		target_chains = n_chains;
292 
293 	for (i = 0; i < sband->n_channels; i++) {
294 		struct ieee80211_channel *chan = &sband->channels[i];
295 		u8 target_power = 0;
296 		int j;
297 
298 		for (j = 0; j < target_chains; j++) {
299 			int index;
300 
301 			index = mt7615_eeprom_get_target_power_index(dev, chan, j);
302 			if (index < 0)
303 				continue;
304 
305 			target_power = max(target_power, eep[index]);
306 		}
307 
308 		target_power = mt76_get_rate_power_limits(&dev->mphy, chan,
309 							  &limits,
310 							  target_power);
311 		target_power += delta;
312 		target_power = DIV_ROUND_UP(target_power, 2);
313 		chan->max_power = min_t(int, chan->max_reg_power,
314 					target_power);
315 		chan->orig_mpwr = target_power;
316 	}
317 }
318 EXPORT_SYMBOL_GPL(mt7615_init_txpower);
319 
mt7615_init_work(struct mt7615_dev * dev)320 void mt7615_init_work(struct mt7615_dev *dev)
321 {
322 	mt7615_mcu_set_eeprom(dev);
323 	mt7615_mac_init(dev);
324 	mt7615_phy_init(dev);
325 	mt7615_mcu_del_wtbl_all(dev);
326 	mt7615_check_offload_capability(dev);
327 }
328 EXPORT_SYMBOL_GPL(mt7615_init_work);
329 
330 static void
mt7615_regd_notifier(struct wiphy * wiphy,struct regulatory_request * request)331 mt7615_regd_notifier(struct wiphy *wiphy,
332 		     struct regulatory_request *request)
333 {
334 	struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
335 	struct mt7615_dev *dev = mt7615_hw_dev(hw);
336 	struct mt76_phy *mphy = hw->priv;
337 	struct mt7615_phy *phy = mphy->priv;
338 	struct cfg80211_chan_def *chandef = &mphy->chandef;
339 
340 	memcpy(dev->mt76.alpha2, request->alpha2, sizeof(dev->mt76.alpha2));
341 	dev->mt76.region = request->dfs_region;
342 
343 	mt7615_init_txpower(dev, &mphy->sband_2g.sband);
344 	mt7615_init_txpower(dev, &mphy->sband_5g.sband);
345 
346 	mt7615_mutex_acquire(dev);
347 
348 	if (chandef->chan->flags & IEEE80211_CHAN_RADAR)
349 		mt7615_dfs_init_radar_detector(phy);
350 
351 	if (mt7615_firmware_offload(phy->dev)) {
352 		mt76_connac_mcu_set_channel_domain(mphy);
353 		mt76_connac_mcu_set_rate_txpower(mphy);
354 	}
355 
356 	mt7615_mutex_release(dev);
357 }
358 
359 static void
mt7615_init_wiphy(struct ieee80211_hw * hw)360 mt7615_init_wiphy(struct ieee80211_hw *hw)
361 {
362 	struct mt7615_phy *phy = mt7615_hw_phy(hw);
363 	struct wiphy *wiphy = hw->wiphy;
364 
365 	hw->queues = 4;
366 	hw->max_rates = 3;
367 	hw->max_report_rates = 7;
368 	hw->max_rate_tries = 11;
369 	hw->netdev_features = NETIF_F_RXCSUM;
370 
371 	hw->radiotap_timestamp.units_pos =
372 		IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US;
373 
374 	phy->slottime = 9;
375 
376 	hw->sta_data_size = sizeof(struct mt7615_sta);
377 	hw->vif_data_size = sizeof(struct mt7615_vif);
378 
379 	if (is_mt7663(&phy->dev->mt76)) {
380 		wiphy->iface_combinations = if_comb;
381 		wiphy->n_iface_combinations = ARRAY_SIZE(if_comb);
382 	} else {
383 		wiphy->iface_combinations = if_comb_radar;
384 		wiphy->n_iface_combinations = ARRAY_SIZE(if_comb_radar);
385 	}
386 	wiphy->reg_notifier = mt7615_regd_notifier;
387 
388 	wiphy->max_sched_scan_plan_interval =
389 		MT76_CONNAC_MAX_TIME_SCHED_SCAN_INTERVAL;
390 	wiphy->max_sched_scan_ie_len = IEEE80211_MAX_DATA_LEN;
391 	wiphy->max_scan_ie_len = MT76_CONNAC_SCAN_IE_LEN;
392 	wiphy->max_sched_scan_ssids = MT76_CONNAC_MAX_SCHED_SCAN_SSID;
393 	wiphy->max_match_sets = MT76_CONNAC_MAX_SCAN_MATCH;
394 	wiphy->max_sched_scan_reqs = 1;
395 	wiphy->max_scan_ssids = 4;
396 
397 	wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_SET_SCAN_DWELL);
398 	wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_VHT_IBSS);
399 
400 	ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS);
401 	ieee80211_hw_set(hw, TX_STATUS_NO_AMPDU_LEN);
402 	ieee80211_hw_set(hw, WANT_MONITOR_VIF);
403 	ieee80211_hw_set(hw, SUPPORTS_RX_DECAP_OFFLOAD);
404 	ieee80211_hw_set(hw, SUPPORTS_VHT_EXT_NSS_BW);
405 
406 	if (is_mt7615(&phy->dev->mt76))
407 		hw->max_tx_fragments = MT_TXP_MAX_BUF_NUM;
408 	else
409 		hw->max_tx_fragments = MT_HW_TXP_MAX_BUF_NUM;
410 
411 	phy->mt76->sband_2g.sband.ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING;
412 	phy->mt76->sband_5g.sband.ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING;
413 	phy->mt76->sband_5g.sband.vht_cap.cap |=
414 			IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK;
415 }
416 
417 static void
mt7615_cap_dbdc_enable(struct mt7615_dev * dev)418 mt7615_cap_dbdc_enable(struct mt7615_dev *dev)
419 {
420 	dev->mphy.sband_5g.sband.vht_cap.cap &=
421 			~(IEEE80211_VHT_CAP_SHORT_GI_160 |
422 			  IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ);
423 	if (dev->chainmask == 0xf)
424 		dev->mphy.antenna_mask = dev->chainmask >> 2;
425 	else
426 		dev->mphy.antenna_mask = dev->chainmask >> 1;
427 	dev->mphy.chainmask = dev->mphy.antenna_mask;
428 	dev->mphy.hw->wiphy->available_antennas_rx = dev->mphy.chainmask;
429 	dev->mphy.hw->wiphy->available_antennas_tx = dev->mphy.chainmask;
430 	mt76_set_stream_caps(&dev->mphy, true);
431 }
432 
433 static void
mt7615_cap_dbdc_disable(struct mt7615_dev * dev)434 mt7615_cap_dbdc_disable(struct mt7615_dev *dev)
435 {
436 	dev->mphy.sband_5g.sband.vht_cap.cap |=
437 			IEEE80211_VHT_CAP_SHORT_GI_160 |
438 			IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
439 	dev->mphy.antenna_mask = dev->chainmask;
440 	dev->mphy.chainmask = dev->chainmask;
441 	dev->mphy.hw->wiphy->available_antennas_rx = dev->chainmask;
442 	dev->mphy.hw->wiphy->available_antennas_tx = dev->chainmask;
443 	mt76_set_stream_caps(&dev->mphy, true);
444 }
445 
mt7615_register_ext_phy(struct mt7615_dev * dev)446 int mt7615_register_ext_phy(struct mt7615_dev *dev)
447 {
448 	struct mt7615_phy *phy = mt7615_ext_phy(dev);
449 	struct mt76_phy *mphy;
450 	int i, ret;
451 
452 	if (!is_mt7615(&dev->mt76))
453 		return -EOPNOTSUPP;
454 
455 	if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state))
456 		return -EINVAL;
457 
458 	if (phy)
459 		return 0;
460 
461 	mt7615_cap_dbdc_enable(dev);
462 	mphy = mt76_alloc_phy(&dev->mt76, sizeof(*phy), &mt7615_ops, MT_BAND1);
463 	if (!mphy)
464 		return -ENOMEM;
465 
466 	phy = mphy->priv;
467 	phy->dev = dev;
468 	phy->mt76 = mphy;
469 	mphy->chainmask = dev->chainmask & ~dev->mphy.chainmask;
470 	mphy->antenna_mask = BIT(hweight8(mphy->chainmask)) - 1;
471 	mt7615_init_wiphy(mphy->hw);
472 
473 	INIT_DELAYED_WORK(&mphy->mac_work, mt7615_mac_work);
474 	INIT_DELAYED_WORK(&phy->scan_work, mt7615_scan_work);
475 	skb_queue_head_init(&phy->scan_event_list);
476 
477 	INIT_WORK(&phy->roc_work, mt7615_roc_work);
478 	timer_setup(&phy->roc_timer, mt7615_roc_timer, 0);
479 	init_waitqueue_head(&phy->roc_wait);
480 
481 	mt7615_mac_set_scs(phy, true);
482 
483 	/*
484 	 * Make the secondary PHY MAC address local without overlapping with
485 	 * the usual MAC address allocation scheme on multiple virtual interfaces
486 	 */
487 	memcpy(mphy->macaddr, dev->mt76.eeprom.data + MT_EE_MAC_ADDR,
488 	       ETH_ALEN);
489 	mphy->macaddr[0] |= 2;
490 	mphy->macaddr[0] ^= BIT(7);
491 	mt76_eeprom_override(mphy);
492 
493 	/* second phy can only handle 5 GHz */
494 	mphy->cap.has_5ghz = true;
495 
496 	/* mt7615 second phy shares the same hw queues with the primary one */
497 	for (i = 0; i <= MT_TXQ_PSD ; i++)
498 		mphy->q_tx[i] = dev->mphy.q_tx[i];
499 
500 	ret = mt76_register_phy(mphy, true, mt76_rates,
501 				ARRAY_SIZE(mt76_rates));
502 	if (ret)
503 		ieee80211_free_hw(mphy->hw);
504 
505 	return ret;
506 }
507 EXPORT_SYMBOL_GPL(mt7615_register_ext_phy);
508 
mt7615_unregister_ext_phy(struct mt7615_dev * dev)509 void mt7615_unregister_ext_phy(struct mt7615_dev *dev)
510 {
511 	struct mt7615_phy *phy = mt7615_ext_phy(dev);
512 	struct mt76_phy *mphy = dev->mt76.phys[MT_BAND1];
513 
514 	if (!phy)
515 		return;
516 
517 	mt7615_cap_dbdc_disable(dev);
518 	mt76_unregister_phy(mphy);
519 	ieee80211_free_hw(mphy->hw);
520 }
521 EXPORT_SYMBOL_GPL(mt7615_unregister_ext_phy);
522 
mt7615_init_device(struct mt7615_dev * dev)523 void mt7615_init_device(struct mt7615_dev *dev)
524 {
525 	struct ieee80211_hw *hw = mt76_hw(dev);
526 
527 	dev->phy.dev = dev;
528 	dev->phy.mt76 = &dev->mt76.phy;
529 	dev->mt76.phy.priv = &dev->phy;
530 	dev->mt76.tx_worker.fn = mt7615_tx_worker;
531 
532 	INIT_DELAYED_WORK(&dev->pm.ps_work, mt7615_pm_power_save_work);
533 	INIT_WORK(&dev->pm.wake_work, mt7615_pm_wake_work);
534 	spin_lock_init(&dev->pm.wake.lock);
535 	mutex_init(&dev->pm.mutex);
536 	init_waitqueue_head(&dev->pm.wait);
537 	spin_lock_init(&dev->pm.txq_lock);
538 	INIT_DELAYED_WORK(&dev->mphy.mac_work, mt7615_mac_work);
539 	INIT_DELAYED_WORK(&dev->phy.scan_work, mt7615_scan_work);
540 	INIT_DELAYED_WORK(&dev->coredump.work, mt7615_coredump_work);
541 	skb_queue_head_init(&dev->phy.scan_event_list);
542 	skb_queue_head_init(&dev->coredump.msg_list);
543 	INIT_LIST_HEAD(&dev->sta_poll_list);
544 	spin_lock_init(&dev->sta_poll_lock);
545 	init_waitqueue_head(&dev->reset_wait);
546 	init_waitqueue_head(&dev->phy.roc_wait);
547 
548 	INIT_WORK(&dev->phy.roc_work, mt7615_roc_work);
549 	timer_setup(&dev->phy.roc_timer, mt7615_roc_timer, 0);
550 
551 	mt7615_init_wiphy(hw);
552 	dev->pm.idle_timeout = MT7615_PM_TIMEOUT;
553 	dev->pm.stats.last_wake_event = jiffies;
554 	dev->pm.stats.last_doze_event = jiffies;
555 	mt7615_cap_dbdc_disable(dev);
556 
557 #ifdef CONFIG_NL80211_TESTMODE
558 	dev->mt76.test_ops = &mt7615_testmode_ops;
559 #endif
560 }
561 EXPORT_SYMBOL_GPL(mt7615_init_device);
562