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1// SPDX-License-Identifier: ISC2 3#include <linux/etherdevice.h>4#include "mt7603.h"5#include "mac.h"6#include "eeprom.h"7 8const struct mt76_driver_ops mt7603_drv_ops = {9	.txwi_size = MT_TXD_SIZE,10	.drv_flags = MT_DRV_SW_RX_AIRTIME,11	.survey_flags = SURVEY_INFO_TIME_TX,12	.tx_prepare_skb = mt7603_tx_prepare_skb,13	.tx_complete_skb = mt7603_tx_complete_skb,14	.rx_skb = mt7603_queue_rx_skb,15	.rx_poll_complete = mt7603_rx_poll_complete,16	.sta_ps = mt7603_sta_ps,17	.sta_add = mt7603_sta_add,18	.sta_event = mt7603_sta_event,19	.sta_remove = mt7603_sta_remove,20	.update_survey = mt7603_update_channel,21	.set_channel = mt7603_set_channel,22};23 24static void25mt7603_set_tmac_template(struct mt7603_dev *dev)26{27	u32 desc[5] = {28		[1] = FIELD_PREP(MT_TXD3_REM_TX_COUNT, 0xf),29		[3] = MT_TXD5_SW_POWER_MGMT30	};31	u32 addr;32	int i;33 34	addr = mt7603_reg_map(dev, MT_CLIENT_BASE_PHYS_ADDR);35	addr += MT_CLIENT_TMAC_INFO_TEMPLATE;36	for (i = 0; i < ARRAY_SIZE(desc); i++)37		mt76_wr(dev, addr + 4 * i, desc[i]);38}39 40static void41mt7603_dma_sched_init(struct mt7603_dev *dev)42{43	int page_size = 128;44	int page_count;45	int max_len = 1792;46	int max_amsdu_pages = 4096 / page_size;47	int max_mcu_len = 4096;48	int max_beacon_len = 512 * 4 + max_len;49	int max_mcast_pages = 4 * max_len / page_size;50	int reserved_count = 0;51	int beacon_pages;52	int mcu_pages;53	int i;54 55	page_count = mt76_get_field(dev, MT_PSE_FC_P0,56				    MT_PSE_FC_P0_MAX_QUOTA);57	beacon_pages = 4 * (max_beacon_len / page_size);58	mcu_pages = max_mcu_len / page_size;59 60	mt76_wr(dev, MT_PSE_FRP,61		FIELD_PREP(MT_PSE_FRP_P0, 7) |62		FIELD_PREP(MT_PSE_FRP_P1, 6) |63		FIELD_PREP(MT_PSE_FRP_P2_RQ2, 4));64 65	mt76_wr(dev, MT_HIGH_PRIORITY_1, 0x55555553);66	mt76_wr(dev, MT_HIGH_PRIORITY_2, 0x78555555);67 68	mt76_wr(dev, MT_QUEUE_PRIORITY_1, 0x2b1a096e);69	mt76_wr(dev, MT_QUEUE_PRIORITY_2, 0x785f4d3c);70 71	mt76_wr(dev, MT_PRIORITY_MASK, 0xffffffff);72 73	mt76_wr(dev, MT_SCH_1, page_count | (2 << 28));74	mt76_wr(dev, MT_SCH_2, max_amsdu_pages);75 76	for (i = 0; i <= 4; i++)77		mt76_wr(dev, MT_PAGE_COUNT(i), max_amsdu_pages);78	reserved_count += 5 * max_amsdu_pages;79 80	mt76_wr(dev, MT_PAGE_COUNT(5), mcu_pages);81	reserved_count += mcu_pages;82 83	mt76_wr(dev, MT_PAGE_COUNT(7), beacon_pages);84	reserved_count += beacon_pages;85 86	mt76_wr(dev, MT_PAGE_COUNT(8), max_mcast_pages);87	reserved_count += max_mcast_pages;88 89	if (is_mt7603(dev))90		reserved_count = 0;91 92	mt76_wr(dev, MT_RSV_MAX_THRESH, page_count - reserved_count);93 94	if (is_mt7603(dev) && mt76xx_rev(dev) >= MT7603_REV_E2) {95		mt76_wr(dev, MT_GROUP_THRESH(0),96			page_count - beacon_pages - mcu_pages);97		mt76_wr(dev, MT_GROUP_THRESH(1), beacon_pages);98		mt76_wr(dev, MT_BMAP_0, 0x0080ff5f);99		mt76_wr(dev, MT_GROUP_THRESH(2), mcu_pages);100		mt76_wr(dev, MT_BMAP_1, 0x00000020);101	} else {102		mt76_wr(dev, MT_GROUP_THRESH(0), page_count);103		mt76_wr(dev, MT_BMAP_0, 0xffff);104	}105 106	mt76_wr(dev, MT_SCH_4, 0);107 108	for (i = 0; i <= 15; i++)109		mt76_wr(dev, MT_TXTIME_THRESH(i), 0xfffff);110 111	mt76_set(dev, MT_SCH_4, BIT(6));112}113 114static void115mt7603_phy_init(struct mt7603_dev *dev)116{117	int rx_chains = dev->mphy.antenna_mask;118	int tx_chains = hweight8(rx_chains) - 1;119 120	mt76_rmw(dev, MT_WF_RMAC_RMCR,121		 (MT_WF_RMAC_RMCR_SMPS_MODE |122		  MT_WF_RMAC_RMCR_RX_STREAMS),123		 (FIELD_PREP(MT_WF_RMAC_RMCR_SMPS_MODE, 3) |124		  FIELD_PREP(MT_WF_RMAC_RMCR_RX_STREAMS, rx_chains)));125 126	mt76_rmw_field(dev, MT_TMAC_TCR, MT_TMAC_TCR_TX_STREAMS,127		       tx_chains);128 129	dev->agc0 = mt76_rr(dev, MT_AGC(0));130	dev->agc3 = mt76_rr(dev, MT_AGC(3));131}132 133static void134mt7603_mac_init(struct mt7603_dev *dev)135{136	u8 bc_addr[ETH_ALEN];137	u32 addr;138	int i;139 140	mt76_wr(dev, MT_AGG_BA_SIZE_LIMIT_0,141		(MT_AGG_SIZE_LIMIT(0) << 0 * MT_AGG_BA_SIZE_LIMIT_SHIFT) |142		(MT_AGG_SIZE_LIMIT(1) << 1 * MT_AGG_BA_SIZE_LIMIT_SHIFT) |143		(MT_AGG_SIZE_LIMIT(2) << 2 * MT_AGG_BA_SIZE_LIMIT_SHIFT) |144		(MT_AGG_SIZE_LIMIT(3) << 3 * MT_AGG_BA_SIZE_LIMIT_SHIFT));145 146	mt76_wr(dev, MT_AGG_BA_SIZE_LIMIT_1,147		(MT_AGG_SIZE_LIMIT(4) << 0 * MT_AGG_BA_SIZE_LIMIT_SHIFT) |148		(MT_AGG_SIZE_LIMIT(5) << 1 * MT_AGG_BA_SIZE_LIMIT_SHIFT) |149		(MT_AGG_SIZE_LIMIT(6) << 2 * MT_AGG_BA_SIZE_LIMIT_SHIFT) |150		(MT_AGG_SIZE_LIMIT(7) << 3 * MT_AGG_BA_SIZE_LIMIT_SHIFT));151 152	mt76_wr(dev, MT_AGG_LIMIT,153		FIELD_PREP(MT_AGG_LIMIT_AC(0), 24) |154		FIELD_PREP(MT_AGG_LIMIT_AC(1), 24) |155		FIELD_PREP(MT_AGG_LIMIT_AC(2), 24) |156		FIELD_PREP(MT_AGG_LIMIT_AC(3), 24));157 158	mt76_wr(dev, MT_AGG_LIMIT_1,159		FIELD_PREP(MT_AGG_LIMIT_AC(0), 24) |160		FIELD_PREP(MT_AGG_LIMIT_AC(1), 24) |161		FIELD_PREP(MT_AGG_LIMIT_AC(2), 24) |162		FIELD_PREP(MT_AGG_LIMIT_AC(3), 24));163 164	mt76_wr(dev, MT_AGG_CONTROL,165		FIELD_PREP(MT_AGG_CONTROL_BAR_RATE, 0x4b) |166		FIELD_PREP(MT_AGG_CONTROL_CFEND_RATE, 0x69) |167		MT_AGG_CONTROL_NO_BA_AR_RULE);168 169	mt76_wr(dev, MT_AGG_RETRY_CONTROL,170		FIELD_PREP(MT_AGG_RETRY_CONTROL_BAR_LIMIT, 1) |171		FIELD_PREP(MT_AGG_RETRY_CONTROL_RTS_LIMIT, 15));172 173	mt76_wr(dev, MT_DMA_DCR0, MT_DMA_DCR0_RX_VEC_DROP |174		FIELD_PREP(MT_DMA_DCR0_MAX_RX_LEN, 4096));175 176	mt76_rmw(dev, MT_DMA_VCFR0, BIT(0), BIT(13));177	mt76_rmw(dev, MT_DMA_TMCFR0, BIT(0) | BIT(1), BIT(13));178 179	mt76_clear(dev, MT_WF_RMAC_TMR_PA, BIT(31));180 181	mt76_set(dev, MT_WF_RMACDR, MT_WF_RMACDR_MAXLEN_20BIT);182	mt76_rmw(dev, MT_WF_RMAC_MAXMINLEN, 0xffffff, 0x19000);183 184	mt76_wr(dev, MT_WF_RFCR1, 0);185 186	mt76_set(dev, MT_TMAC_TCR, MT_TMAC_TCR_RX_RIFS_MODE);187 188	if (is_mt7628(dev)) {189		mt76_set(dev, MT_TMAC_TCR,190			 MT_TMAC_TCR_TXOP_BURST_STOP | BIT(1) | BIT(0));191		mt76_set(dev, MT_TXREQ, BIT(27));192		mt76_set(dev, MT_AGG_TMP, GENMASK(4, 2));193	}194 195	mt7603_set_tmac_template(dev);196 197	/* Enable RX group to HIF */198	addr = mt7603_reg_map(dev, MT_CLIENT_BASE_PHYS_ADDR);199	mt76_set(dev, addr + MT_CLIENT_RXINF, MT_CLIENT_RXINF_RXSH_GROUPS);200 201	/* Enable RX group to MCU */202	mt76_set(dev, MT_DMA_DCR1, GENMASK(13, 11));203 204	mt76_rmw_field(dev, MT_AGG_PCR_RTS, MT_AGG_PCR_RTS_PKT_THR, 3);205	mt76_set(dev, MT_TMAC_PCR, MT_TMAC_PCR_SPE_EN);206 207	/* include preamble detection in CCA trigger signal */208	mt76_rmw_field(dev, MT_TXREQ, MT_TXREQ_CCA_SRC_SEL, 2);209 210	mt76_wr(dev, MT_RXREQ, 4);211 212	/* Configure all rx packets to HIF */213	mt76_wr(dev, MT_DMA_RCFR0, 0xc0000000);214 215	/* Configure MCU txs selection with aggregation */216	mt76_wr(dev, MT_DMA_TCFR0,217		FIELD_PREP(MT_DMA_TCFR_TXS_AGGR_TIMEOUT, 1) | /* 32 us */218		MT_DMA_TCFR_TXS_AGGR_COUNT);219 220	/* Configure HIF txs selection with aggregation */221	mt76_wr(dev, MT_DMA_TCFR1,222		FIELD_PREP(MT_DMA_TCFR_TXS_AGGR_TIMEOUT, 1) | /* 32 us */223		MT_DMA_TCFR_TXS_AGGR_COUNT | /* Maximum count */224		MT_DMA_TCFR_TXS_BIT_MAP);225 226	mt76_wr(dev, MT_MCU_PCIE_REMAP_1, MT_PSE_WTBL_2_PHYS_ADDR);227 228	for (i = 0; i < MT7603_WTBL_SIZE; i++)229		mt7603_wtbl_clear(dev, i);230 231	eth_broadcast_addr(bc_addr);232	mt7603_wtbl_init(dev, MT7603_WTBL_RESERVED, -1, bc_addr);233	dev->global_sta.wcid.idx = MT7603_WTBL_RESERVED;234	rcu_assign_pointer(dev->mt76.wcid[MT7603_WTBL_RESERVED],235			   &dev->global_sta.wcid);236 237	mt76_rmw_field(dev, MT_LPON_BTEIR, MT_LPON_BTEIR_MBSS_MODE, 2);238	mt76_rmw_field(dev, MT_WF_RMACDR, MT_WF_RMACDR_MBSSID_MASK, 2);239 240	mt76_wr(dev, MT_AGG_ARUCR,241		FIELD_PREP(MT_AGG_ARxCR_LIMIT(0), 7) |242		FIELD_PREP(MT_AGG_ARxCR_LIMIT(1), 2) |243		FIELD_PREP(MT_AGG_ARxCR_LIMIT(2), 2) |244		FIELD_PREP(MT_AGG_ARxCR_LIMIT(3), 2) |245		FIELD_PREP(MT_AGG_ARxCR_LIMIT(4), 1) |246		FIELD_PREP(MT_AGG_ARxCR_LIMIT(5), 1) |247		FIELD_PREP(MT_AGG_ARxCR_LIMIT(6), 1) |248		FIELD_PREP(MT_AGG_ARxCR_LIMIT(7), 1));249 250	mt76_wr(dev, MT_AGG_ARDCR,251		FIELD_PREP(MT_AGG_ARxCR_LIMIT(0), MT7603_RATE_RETRY - 1) |252		FIELD_PREP(MT_AGG_ARxCR_LIMIT(1), MT7603_RATE_RETRY - 1) |253		FIELD_PREP(MT_AGG_ARxCR_LIMIT(2), MT7603_RATE_RETRY - 1) |254		FIELD_PREP(MT_AGG_ARxCR_LIMIT(3), MT7603_RATE_RETRY - 1) |255		FIELD_PREP(MT_AGG_ARxCR_LIMIT(4), MT7603_RATE_RETRY - 1) |256		FIELD_PREP(MT_AGG_ARxCR_LIMIT(5), MT7603_RATE_RETRY - 1) |257		FIELD_PREP(MT_AGG_ARxCR_LIMIT(6), MT7603_RATE_RETRY - 1) |258		FIELD_PREP(MT_AGG_ARxCR_LIMIT(7), MT7603_RATE_RETRY - 1));259 260	mt76_wr(dev, MT_AGG_ARCR,261		(FIELD_PREP(MT_AGG_ARCR_RTS_RATE_THR, 2) |262		 MT_AGG_ARCR_RATE_DOWN_RATIO_EN |263		 FIELD_PREP(MT_AGG_ARCR_RATE_DOWN_RATIO, 1) |264		 FIELD_PREP(MT_AGG_ARCR_RATE_UP_EXTRA_TH, 4)));265 266	mt76_set(dev, MT_WTBL_RMVTCR, MT_WTBL_RMVTCR_RX_MV_MODE);267 268	mt76_clear(dev, MT_SEC_SCR, MT_SEC_SCR_MASK_ORDER);269	mt76_clear(dev, MT_SEC_SCR, BIT(18));270 271	/* Set secondary beacon time offsets */272	for (i = 0; i <= 4; i++)273		mt76_rmw_field(dev, MT_LPON_SBTOR(i), MT_LPON_SBTOR_TIME_OFFSET,274			       (i + 1) * (20 + 4096));275}276 277static int278mt7603_init_hardware(struct mt7603_dev *dev)279{280	int i, ret;281 282	mt76_wr(dev, MT_INT_SOURCE_CSR, ~0);283 284	ret = mt7603_eeprom_init(dev);285	if (ret < 0)286		return ret;287 288	ret = mt7603_dma_init(dev);289	if (ret)290		return ret;291 292	mt76_wr(dev, MT_WPDMA_GLO_CFG, 0x52000850);293	mt7603_mac_dma_start(dev);294	dev->rxfilter = mt76_rr(dev, MT_WF_RFCR);295	set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state);296 297	for (i = 0; i < MT7603_WTBL_SIZE; i++) {298		mt76_wr(dev, MT_PSE_RTA, MT_PSE_RTA_BUSY | MT_PSE_RTA_WRITE |299			FIELD_PREP(MT_PSE_RTA_TAG_ID, i));300		mt76_poll(dev, MT_PSE_RTA, MT_PSE_RTA_BUSY, 0, 5000);301	}302 303	ret = mt7603_mcu_init(dev);304	if (ret)305		return ret;306 307	mt7603_dma_sched_init(dev);308	mt7603_mcu_set_eeprom(dev);309	mt7603_phy_init(dev);310	mt7603_mac_init(dev);311 312	return 0;313}314 315static const struct ieee80211_iface_limit if_limits[] = {316	{317		.max = 1,318		.types = BIT(NL80211_IFTYPE_ADHOC)319	}, {320		.max = MT7603_MAX_INTERFACES,321		.types = BIT(NL80211_IFTYPE_STATION) |322#ifdef CONFIG_MAC80211_MESH323			 BIT(NL80211_IFTYPE_MESH_POINT) |324#endif325			 BIT(NL80211_IFTYPE_P2P_CLIENT) |326			 BIT(NL80211_IFTYPE_P2P_GO) |327			 BIT(NL80211_IFTYPE_AP)328	 },329};330 331static const struct ieee80211_iface_combination if_comb[] = {332	{333		.limits = if_limits,334		.n_limits = ARRAY_SIZE(if_limits),335		.max_interfaces = 4,336		.num_different_channels = 1,337		.beacon_int_infra_match = true,338	}339};340 341static void mt7603_led_set_config(struct mt76_phy *mphy, u8 delay_on,342				  u8 delay_off)343{344	struct mt7603_dev *dev = container_of(mphy->dev, struct mt7603_dev,345					      mt76);346	u32 val, addr;347 348	val = FIELD_PREP(MT_LED_STATUS_DURATION, 0xffff) |349	      FIELD_PREP(MT_LED_STATUS_OFF, delay_off) |350	      FIELD_PREP(MT_LED_STATUS_ON, delay_on);351 352	addr = mt7603_reg_map(dev, MT_LED_STATUS_0(mphy->leds.pin));353	mt76_wr(dev, addr, val);354	addr = mt7603_reg_map(dev, MT_LED_STATUS_1(mphy->leds.pin));355	mt76_wr(dev, addr, val);356 357	val = MT_LED_CTRL_REPLAY(mphy->leds.pin) |358	      MT_LED_CTRL_KICK(mphy->leds.pin);359	if (mphy->leds.al)360		val |= MT_LED_CTRL_POLARITY(mphy->leds.pin);361	addr = mt7603_reg_map(dev, MT_LED_CTRL);362	mt76_wr(dev, addr, val);363}364 365static int mt7603_led_set_blink(struct led_classdev *led_cdev,366				unsigned long *delay_on,367				unsigned long *delay_off)368{369	struct mt76_phy *mphy = container_of(led_cdev, struct mt76_phy,370					     leds.cdev);371	u8 delta_on, delta_off;372 373	delta_off = max_t(u8, *delay_off / 10, 1);374	delta_on = max_t(u8, *delay_on / 10, 1);375 376	mt7603_led_set_config(mphy, delta_on, delta_off);377	return 0;378}379 380static void mt7603_led_set_brightness(struct led_classdev *led_cdev,381				      enum led_brightness brightness)382{383	struct mt76_phy *mphy = container_of(led_cdev, struct mt76_phy,384					     leds.cdev);385 386	if (!brightness)387		mt7603_led_set_config(mphy, 0, 0xff);388	else389		mt7603_led_set_config(mphy, 0xff, 0);390}391 392static u32 __mt7603_reg_addr(struct mt7603_dev *dev, u32 addr)393{394	if (addr < 0x100000)395		return addr;396 397	return mt7603_reg_map(dev, addr);398}399 400static u32 mt7603_rr(struct mt76_dev *mdev, u32 offset)401{402	struct mt7603_dev *dev = container_of(mdev, struct mt7603_dev, mt76);403	u32 addr = __mt7603_reg_addr(dev, offset);404 405	return dev->bus_ops->rr(mdev, addr);406}407 408static void mt7603_wr(struct mt76_dev *mdev, u32 offset, u32 val)409{410	struct mt7603_dev *dev = container_of(mdev, struct mt7603_dev, mt76);411	u32 addr = __mt7603_reg_addr(dev, offset);412 413	dev->bus_ops->wr(mdev, addr, val);414}415 416static u32 mt7603_rmw(struct mt76_dev *mdev, u32 offset, u32 mask, u32 val)417{418	struct mt7603_dev *dev = container_of(mdev, struct mt7603_dev, mt76);419	u32 addr = __mt7603_reg_addr(dev, offset);420 421	return dev->bus_ops->rmw(mdev, addr, mask, val);422}423 424static void425mt7603_regd_notifier(struct wiphy *wiphy,426		     struct regulatory_request *request)427{428	struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);429	struct mt7603_dev *dev = hw->priv;430 431	dev->mt76.region = request->dfs_region;432	dev->ed_monitor = dev->ed_monitor_enabled &&433			  dev->mt76.region == NL80211_DFS_ETSI;434}435 436static int437mt7603_txpower_signed(int val)438{439	bool sign = val & BIT(6);440 441	if (!(val & BIT(7)))442		return 0;443 444	val &= GENMASK(5, 0);445	if (!sign)446		val = -val;447 448	return val;449}450 451static void452mt7603_init_txpower(struct mt7603_dev *dev,453		    struct ieee80211_supported_band *sband)454{455	struct ieee80211_channel *chan;456	u8 *eeprom = (u8 *)dev->mt76.eeprom.data;457	int target_power = eeprom[MT_EE_TX_POWER_0_START_2G + 2] & ~BIT(7);458	u8 *rate_power = &eeprom[MT_EE_TX_POWER_CCK];459	bool ext_pa = eeprom[MT_EE_NIC_CONF_0 + 1] & BIT(1);460	u8 ext_pa_pwr;461	int max_offset, cur_offset;462	int i;463 464	ext_pa_pwr = eeprom[MT_EE_TX_POWER_TSSI_OFF];465	if (ext_pa && is_mt7603(dev) && ext_pa_pwr != 0 && ext_pa_pwr != 0xff)466		target_power = ext_pa_pwr & ~BIT(7);467 468	if (target_power & BIT(6))469		target_power = -(target_power & GENMASK(5, 0));470 471	max_offset = 0;472	for (i = 0; i < 14; i++) {473		cur_offset = mt7603_txpower_signed(rate_power[i]);474		max_offset = max(max_offset, cur_offset);475	}476 477	target_power += max_offset;478 479	dev->tx_power_limit = target_power;480	dev->mphy.txpower_cur = target_power;481 482	target_power = DIV_ROUND_UP(target_power, 2);483 484	/* add 3 dBm for 2SS devices (combined output) */485	if (dev->mphy.antenna_mask & BIT(1))486		target_power += 3;487 488	for (i = 0; i < sband->n_channels; i++) {489		chan = &sband->channels[i];490		chan->max_power = min_t(int, chan->max_reg_power, target_power);491		chan->orig_mpwr = target_power;492	}493}494 495int mt7603_register_device(struct mt7603_dev *dev)496{497	struct mt76_bus_ops *bus_ops;498	struct ieee80211_hw *hw = mt76_hw(dev);499	struct wiphy *wiphy = hw->wiphy;500	int ret;501 502	dev->bus_ops = dev->mt76.bus;503	bus_ops = devm_kmemdup(dev->mt76.dev, dev->bus_ops, sizeof(*bus_ops),504			       GFP_KERNEL);505	if (!bus_ops)506		return -ENOMEM;507 508	bus_ops->rr = mt7603_rr;509	bus_ops->wr = mt7603_wr;510	bus_ops->rmw = mt7603_rmw;511	dev->mt76.bus = bus_ops;512 513	spin_lock_init(&dev->ps_lock);514 515	INIT_DELAYED_WORK(&dev->mphy.mac_work, mt7603_mac_work);516	tasklet_setup(&dev->mt76.pre_tbtt_tasklet, mt7603_pre_tbtt_tasklet);517 518	dev->slottime = 9;519	dev->sensitivity_limit = 28;520	dev->dynamic_sensitivity = true;521 522	ret = mt7603_init_hardware(dev);523	if (ret)524		return ret;525 526	hw->queues = 4;527	hw->max_rates = 3;528	hw->max_report_rates = 7;529	hw->max_rate_tries = 11;530	hw->max_tx_fragments = 1;531 532	hw->radiotap_timestamp.units_pos =533		IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US;534 535	hw->sta_data_size = sizeof(struct mt7603_sta);536	hw->vif_data_size = sizeof(struct mt7603_vif);537 538	wiphy->iface_combinations = if_comb;539	wiphy->n_iface_combinations = ARRAY_SIZE(if_comb);540 541	ieee80211_hw_set(hw, TX_STATUS_NO_AMPDU_LEN);542	ieee80211_hw_set(hw, HOST_BROADCAST_PS_BUFFERING);543	ieee80211_hw_set(hw, NEEDS_UNIQUE_STA_ADDR);544 545	/* init led callbacks */546	if (IS_ENABLED(CONFIG_MT76_LEDS)) {547		dev->mphy.leds.cdev.brightness_set = mt7603_led_set_brightness;548		dev->mphy.leds.cdev.blink_set = mt7603_led_set_blink;549	}550 551	wiphy->reg_notifier = mt7603_regd_notifier;552 553	ret = mt76_register_device(&dev->mt76, true, mt76_rates,554				   ARRAY_SIZE(mt76_rates));555	if (ret)556		return ret;557 558	mt7603_init_debugfs(dev);559	mt7603_init_txpower(dev, &dev->mphy.sband_2g.sband);560 561	return 0;562}563 564void mt7603_unregister_device(struct mt7603_dev *dev)565{566	tasklet_disable(&dev->mt76.pre_tbtt_tasklet);567	mt76_unregister_device(&dev->mt76);568	mt7603_mcu_exit(dev);569	mt7603_dma_cleanup(dev);570	mt76_free_device(&dev->mt76);571}572