drivers/net/wireless/mediatek/mt76/mt7603/init.c - linux - Git at Google


            
            // SPDX-License-Identifier: ISC


            #include <linux/etherdevice.h>

            
            #include "mt7603.h"

            
            #include "mac.h"

            
            #include "eeprom.h"


            const struct mt76_driver_ops mt7603_drv_ops = {

            
            	.txwi_size = MT_TXD_SIZE,

            
            	.drv_flags = MT_DRV_SW_RX_AIRTIME,

            
            	.survey_flags = SURVEY_INFO_TIME_TX,

            
            	.tx_prepare_skb = mt7603_tx_prepare_skb,

            
            	.tx_complete_skb = mt7603_tx_complete_skb,

            
            	.rx_skb = mt7603_queue_rx_skb,

            
            	.rx_poll_complete = mt7603_rx_poll_complete,

            
            	.sta_ps = mt7603_sta_ps,

            
            	.sta_add = mt7603_sta_add,

            
            	.sta_assoc = mt7603_sta_assoc,

            
            	.sta_remove = mt7603_sta_remove,

            
            	.update_survey = mt7603_update_channel,

            
            };


            static void

            
            mt7603_set_tmac_template(struct mt7603_dev *dev)

            
            {

            
            	u32 desc[5] = {

            
            		[1] = FIELD_PREP(MT_TXD3_REM_TX_COUNT, 0xf),

            
            		[3] = MT_TXD5_SW_POWER_MGMT

            
            	};

            
            	u32 addr;

            
            	int i;


            	addr = mt7603_reg_map(dev, MT_CLIENT_BASE_PHYS_ADDR);

            
            	addr += MT_CLIENT_TMAC_INFO_TEMPLATE;

            
            	for (i = 0; i < ARRAY_SIZE(desc); i++)

            
            		mt76_wr(dev, addr + 4 * i, desc[i]);

            
            }


            static void

            
            mt7603_dma_sched_init(struct mt7603_dev *dev)

            
            {

            
            	int page_size = 128;

            
            	int page_count;

            
            	int max_len = 1792;

            
            	int max_amsdu_pages = 4096 / page_size;

            
            	int max_mcu_len = 4096;

            
            	int max_beacon_len = 512 * 4 + max_len;

            
            	int max_mcast_pages = 4 * max_len / page_size;

            
            	int reserved_count = 0;

            
            	int beacon_pages;

            
            	int mcu_pages;

            
            	int i;


            	page_count = mt76_get_field(dev, MT_PSE_FC_P0,

            
            				    MT_PSE_FC_P0_MAX_QUOTA);

            
            	beacon_pages = 4 * (max_beacon_len / page_size);

            
            	mcu_pages = max_mcu_len / page_size;


            	mt76_wr(dev, MT_PSE_FRP,

            
            		FIELD_PREP(MT_PSE_FRP_P0, 7) |

            
            		FIELD_PREP(MT_PSE_FRP_P1, 6) |

            
            		FIELD_PREP(MT_PSE_FRP_P2_RQ2, 4));


            	mt76_wr(dev, MT_HIGH_PRIORITY_1, 0x55555553);

            
            	mt76_wr(dev, MT_HIGH_PRIORITY_2, 0x78555555);


            	mt76_wr(dev, MT_QUEUE_PRIORITY_1, 0x2b1a096e);

            
            	mt76_wr(dev, MT_QUEUE_PRIORITY_2, 0x785f4d3c);


            	mt76_wr(dev, MT_PRIORITY_MASK, 0xffffffff);


            	mt76_wr(dev, MT_SCH_1, page_count | (2 << 28));

            
            	mt76_wr(dev, MT_SCH_2, max_amsdu_pages);


            	for (i = 0; i <= 4; i++)

            
            		mt76_wr(dev, MT_PAGE_COUNT(i), max_amsdu_pages);

            
            	reserved_count += 5 * max_amsdu_pages;


            	mt76_wr(dev, MT_PAGE_COUNT(5), mcu_pages);

            
            	reserved_count += mcu_pages;


            	mt76_wr(dev, MT_PAGE_COUNT(7), beacon_pages);

            
            	reserved_count += beacon_pages;


            	mt76_wr(dev, MT_PAGE_COUNT(8), max_mcast_pages);

            
            	reserved_count += max_mcast_pages;


            	if (is_mt7603(dev))

            
            		reserved_count = 0;


            	mt76_wr(dev, MT_RSV_MAX_THRESH, page_count - reserved_count);


            	if (is_mt7603(dev) && mt76xx_rev(dev) >= MT7603_REV_E2) {

            
            		mt76_wr(dev, MT_GROUP_THRESH(0),

            
            			page_count - beacon_pages - mcu_pages);

            
            		mt76_wr(dev, MT_GROUP_THRESH(1), beacon_pages);

            
            		mt76_wr(dev, MT_BMAP_0, 0x0080ff5f);

            
            		mt76_wr(dev, MT_GROUP_THRESH(2), mcu_pages);

            
            		mt76_wr(dev, MT_BMAP_1, 0x00000020);

            
            	} else {

            
            		mt76_wr(dev, MT_GROUP_THRESH(0), page_count);

            
            		mt76_wr(dev, MT_BMAP_0, 0xffff);

            
            	}


            	mt76_wr(dev, MT_SCH_4, 0);


            	for (i = 0; i <= 15; i++)

            
            		mt76_wr(dev, MT_TXTIME_THRESH(i), 0xfffff);


            	mt76_set(dev, MT_SCH_4, BIT(6));

            
            }


            static void

            
            mt7603_phy_init(struct mt7603_dev *dev)

            
            {

            
            	int rx_chains = dev->mphy.antenna_mask;

            
            	int tx_chains = hweight8(rx_chains) - 1;


            	mt76_rmw(dev, MT_WF_RMAC_RMCR,

            
            		 (MT_WF_RMAC_RMCR_SMPS_MODE |

            
            		  MT_WF_RMAC_RMCR_RX_STREAMS),

            
            		 (FIELD_PREP(MT_WF_RMAC_RMCR_SMPS_MODE, 3) |

            
            		  FIELD_PREP(MT_WF_RMAC_RMCR_RX_STREAMS, rx_chains)));


            	mt76_rmw_field(dev, MT_TMAC_TCR, MT_TMAC_TCR_TX_STREAMS,

            
            		       tx_chains);


            	dev->agc0 = mt76_rr(dev, MT_AGC(0));

            
            	dev->agc3 = mt76_rr(dev, MT_AGC(3));

            
            }


            static void

            
            mt7603_mac_init(struct mt7603_dev *dev)

            
            {

            
            	u8 bc_addr[ETH_ALEN];

            
            	u32 addr;

            
            	int i;


            	mt76_wr(dev, MT_AGG_BA_SIZE_LIMIT_0,

            
            		(MT_AGG_SIZE_LIMIT(0) << 0 * MT_AGG_BA_SIZE_LIMIT_SHIFT) |

            
            		(MT_AGG_SIZE_LIMIT(1) << 1 * MT_AGG_BA_SIZE_LIMIT_SHIFT) |

            
            		(MT_AGG_SIZE_LIMIT(2) << 2 * MT_AGG_BA_SIZE_LIMIT_SHIFT) |

            
            		(MT_AGG_SIZE_LIMIT(3) << 3 * MT_AGG_BA_SIZE_LIMIT_SHIFT));


            	mt76_wr(dev, MT_AGG_BA_SIZE_LIMIT_1,

            
            		(MT_AGG_SIZE_LIMIT(4) << 0 * MT_AGG_BA_SIZE_LIMIT_SHIFT) |

            
            		(MT_AGG_SIZE_LIMIT(5) << 1 * MT_AGG_BA_SIZE_LIMIT_SHIFT) |

            
            		(MT_AGG_SIZE_LIMIT(6) << 2 * MT_AGG_BA_SIZE_LIMIT_SHIFT) |

            
            		(MT_AGG_SIZE_LIMIT(7) << 3 * MT_AGG_BA_SIZE_LIMIT_SHIFT));


            	mt76_wr(dev, MT_AGG_LIMIT,

            
            		FIELD_PREP(MT_AGG_LIMIT_AC(0), 24) |

            
            		FIELD_PREP(MT_AGG_LIMIT_AC(1), 24) |

            
            		FIELD_PREP(MT_AGG_LIMIT_AC(2), 24) |

            
            		FIELD_PREP(MT_AGG_LIMIT_AC(3), 24));


            	mt76_wr(dev, MT_AGG_LIMIT_1,

            
            		FIELD_PREP(MT_AGG_LIMIT_AC(0), 24) |

            
            		FIELD_PREP(MT_AGG_LIMIT_AC(1), 24) |

            
            		FIELD_PREP(MT_AGG_LIMIT_AC(2), 24) |

            
            		FIELD_PREP(MT_AGG_LIMIT_AC(3), 24));


            	mt76_wr(dev, MT_AGG_CONTROL,

            
            		FIELD_PREP(MT_AGG_CONTROL_BAR_RATE, 0x4b) |

            
            		FIELD_PREP(MT_AGG_CONTROL_CFEND_RATE, 0x69) |

            
            		MT_AGG_CONTROL_NO_BA_AR_RULE);


            	mt76_wr(dev, MT_AGG_RETRY_CONTROL,

            
            		FIELD_PREP(MT_AGG_RETRY_CONTROL_BAR_LIMIT, 1) |

            
            		FIELD_PREP(MT_AGG_RETRY_CONTROL_RTS_LIMIT, 15));


            	mt76_wr(dev, MT_DMA_DCR0, MT_DMA_DCR0_RX_VEC_DROP |

            
            		FIELD_PREP(MT_DMA_DCR0_MAX_RX_LEN, 4096));


            	mt76_rmw(dev, MT_DMA_VCFR0, BIT(0), BIT(13));

            
            	mt76_rmw(dev, MT_DMA_TMCFR0, BIT(0) | BIT(1), BIT(13));


            	mt76_clear(dev, MT_WF_RMAC_TMR_PA, BIT(31));


            	mt76_set(dev, MT_WF_RMACDR, MT_WF_RMACDR_MAXLEN_20BIT);

            
            	mt76_rmw(dev, MT_WF_RMAC_MAXMINLEN, 0xffffff, 0x19000);


            	mt76_wr(dev, MT_WF_RFCR1, 0);


            	mt76_set(dev, MT_TMAC_TCR, MT_TMAC_TCR_RX_RIFS_MODE);


            	mt7603_set_tmac_template(dev);


            	/* Enable RX group to HIF */

            
            	addr = mt7603_reg_map(dev, MT_CLIENT_BASE_PHYS_ADDR);

            
            	mt76_set(dev, addr + MT_CLIENT_RXINF, MT_CLIENT_RXINF_RXSH_GROUPS);


            	/* Enable RX group to MCU */

            
            	mt76_set(dev, MT_DMA_DCR1, GENMASK(13, 11));


            	mt76_rmw_field(dev, MT_AGG_PCR_RTS, MT_AGG_PCR_RTS_PKT_THR, 3);

            
            	mt76_set(dev, MT_TMAC_PCR, MT_TMAC_PCR_SPE_EN);


            	/* include preamble detection in CCA trigger signal */

            
            	mt76_rmw_field(dev, MT_TXREQ, MT_TXREQ_CCA_SRC_SEL, 2);


            	mt76_wr(dev, MT_RXREQ, 4);


            	/* Configure all rx packets to HIF */

            
            	mt76_wr(dev, MT_DMA_RCFR0, 0xc0000000);


            	/* Configure MCU txs selection with aggregation */

            
            	mt76_wr(dev, MT_DMA_TCFR0,

            
            		FIELD_PREP(MT_DMA_TCFR_TXS_AGGR_TIMEOUT, 1) | /* 32 us */

            
            		MT_DMA_TCFR_TXS_AGGR_COUNT);


            	/* Configure HIF txs selection with aggregation */

            
            	mt76_wr(dev, MT_DMA_TCFR1,

            
            		FIELD_PREP(MT_DMA_TCFR_TXS_AGGR_TIMEOUT, 1) | /* 32 us */

            
            		MT_DMA_TCFR_TXS_AGGR_COUNT | /* Maximum count */

            
            		MT_DMA_TCFR_TXS_BIT_MAP);


            	mt76_wr(dev, MT_MCU_PCIE_REMAP_1, MT_PSE_WTBL_2_PHYS_ADDR);


            	for (i = 0; i < MT7603_WTBL_SIZE; i++)

            
            		mt7603_wtbl_clear(dev, i);


            	eth_broadcast_addr(bc_addr);

            
            	mt7603_wtbl_init(dev, MT7603_WTBL_RESERVED, -1, bc_addr);

            
            	dev->global_sta.wcid.idx = MT7603_WTBL_RESERVED;

            
            	rcu_assign_pointer(dev->mt76.wcid[MT7603_WTBL_RESERVED],

            
            			   &dev->global_sta.wcid);


            	mt76_rmw_field(dev, MT_LPON_BTEIR, MT_LPON_BTEIR_MBSS_MODE, 2);

            
            	mt76_rmw_field(dev, MT_WF_RMACDR, MT_WF_RMACDR_MBSSID_MASK, 2);


            	mt76_wr(dev, MT_AGG_ARUCR,

            
            		FIELD_PREP(MT_AGG_ARxCR_LIMIT(0), 7) |

            
            		FIELD_PREP(MT_AGG_ARxCR_LIMIT(1), 2) |

            
            		FIELD_PREP(MT_AGG_ARxCR_LIMIT(2), 2) |

            
            		FIELD_PREP(MT_AGG_ARxCR_LIMIT(3), 2) |

            
            		FIELD_PREP(MT_AGG_ARxCR_LIMIT(4), 1) |

            
            		FIELD_PREP(MT_AGG_ARxCR_LIMIT(5), 1) |

            
            		FIELD_PREP(MT_AGG_ARxCR_LIMIT(6), 1) |

            
            		FIELD_PREP(MT_AGG_ARxCR_LIMIT(7), 1));


            	mt76_wr(dev, MT_AGG_ARDCR,

            
            		FIELD_PREP(MT_AGG_ARxCR_LIMIT(0), MT7603_RATE_RETRY - 1) |

            
            		FIELD_PREP(MT_AGG_ARxCR_LIMIT(1), MT7603_RATE_RETRY - 1) |

            
            		FIELD_PREP(MT_AGG_ARxCR_LIMIT(2), MT7603_RATE_RETRY - 1) |

            
            		FIELD_PREP(MT_AGG_ARxCR_LIMIT(3), MT7603_RATE_RETRY - 1) |

            
            		FIELD_PREP(MT_AGG_ARxCR_LIMIT(4), MT7603_RATE_RETRY - 1) |

            
            		FIELD_PREP(MT_AGG_ARxCR_LIMIT(5), MT7603_RATE_RETRY - 1) |

            
            		FIELD_PREP(MT_AGG_ARxCR_LIMIT(6), MT7603_RATE_RETRY - 1) |

            
            		FIELD_PREP(MT_AGG_ARxCR_LIMIT(7), MT7603_RATE_RETRY - 1));


            	mt76_wr(dev, MT_AGG_ARCR,

            
            		(FIELD_PREP(MT_AGG_ARCR_RTS_RATE_THR, 2) |

            
            		 MT_AGG_ARCR_RATE_DOWN_RATIO_EN |

            
            		 FIELD_PREP(MT_AGG_ARCR_RATE_DOWN_RATIO, 1) |

            
            		 FIELD_PREP(MT_AGG_ARCR_RATE_UP_EXTRA_TH, 4)));


            	mt76_set(dev, MT_WTBL_RMVTCR, MT_WTBL_RMVTCR_RX_MV_MODE);


            	mt76_clear(dev, MT_SEC_SCR, MT_SEC_SCR_MASK_ORDER);

            
            	mt76_clear(dev, MT_SEC_SCR, BIT(18));


            	/* Set secondary beacon time offsets */

            
            	for (i = 0; i <= 4; i++)

            
            		mt76_rmw_field(dev, MT_LPON_SBTOR(i), MT_LPON_SBTOR_TIME_OFFSET,

            
            			       (i + 1) * (20 + 4096));

            
            }


            static int

            
            mt7603_init_hardware(struct mt7603_dev *dev)

            
            {

            
            	int i, ret;


            	mt76_wr(dev, MT_INT_SOURCE_CSR, ~0);


            	ret = mt7603_eeprom_init(dev);

            
            	if (ret < 0)

            
            		return ret;


            	ret = mt7603_dma_init(dev);

            
            	if (ret)

            
            		return ret;


            	mt76_wr(dev, MT_WPDMA_GLO_CFG, 0x52000850);

            
            	mt7603_mac_dma_start(dev);

            
            	dev->rxfilter = mt76_rr(dev, MT_WF_RFCR);

            
            	set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state);


            	for (i = 0; i < MT7603_WTBL_SIZE; i++) {

            
            		mt76_wr(dev, MT_PSE_RTA, MT_PSE_RTA_BUSY | MT_PSE_RTA_WRITE |

            
            			FIELD_PREP(MT_PSE_RTA_TAG_ID, i));

            
            		mt76_poll(dev, MT_PSE_RTA, MT_PSE_RTA_BUSY, 0, 5000);

            
            	}


            	ret = mt7603_mcu_init(dev);

            
            	if (ret)

            
            		return ret;


            	mt7603_dma_sched_init(dev);

            
            	mt7603_mcu_set_eeprom(dev);

            
            	mt7603_phy_init(dev);

            
            	mt7603_mac_init(dev);


            	return 0;

            
            }


            #define CCK_RATE(_idx, _rate) {					\

            
            	.bitrate = _rate,					\

            
            	.flags = IEEE80211_RATE_SHORT_PREAMBLE,			\

            
            	.hw_value = (MT_PHY_TYPE_CCK << 8) | (_idx),		\

            
            	.hw_value_short = (MT_PHY_TYPE_CCK << 8) | (4 + _idx),	\

            
            }


            #define OFDM_RATE(_idx, _rate) {				\

            
            	.bitrate = _rate,					\

            
            	.hw_value = (MT_PHY_TYPE_OFDM << 8) | (_idx),		\

            
            	.hw_value_short = (MT_PHY_TYPE_OFDM << 8) | (_idx),	\

            
            }


            static struct ieee80211_rate mt7603_rates[] = {

            
            	CCK_RATE(0, 10),

            
            	CCK_RATE(1, 20),

            
            	CCK_RATE(2, 55),

            
            	CCK_RATE(3, 110),

            
            	OFDM_RATE(11, 60),

            
            	OFDM_RATE(15, 90),

            
            	OFDM_RATE(10, 120),

            
            	OFDM_RATE(14, 180),

            
            	OFDM_RATE(9,  240),

            
            	OFDM_RATE(13, 360),

            
            	OFDM_RATE(8,  480),

            
            	OFDM_RATE(12, 540),

            
            };


            static const struct ieee80211_iface_limit if_limits[] = {

            
            	{

            
            		.max = 1,

            
            		.types = BIT(NL80211_IFTYPE_ADHOC)

            
            	}, {

            
            		.max = MT7603_MAX_INTERFACES,

            
            		.types = BIT(NL80211_IFTYPE_STATION) |

            
            #ifdef CONFIG_MAC80211_MESH

            
            			 BIT(NL80211_IFTYPE_MESH_POINT) |

            
            #endif

            
            			 BIT(NL80211_IFTYPE_P2P_CLIENT) |

            
            			 BIT(NL80211_IFTYPE_P2P_GO) |

            
            			 BIT(NL80211_IFTYPE_AP)

            
            	 },

            
            };


            static const struct ieee80211_iface_combination if_comb[] = {

            
            	{

            
            		.limits = if_limits,

            
            		.n_limits = ARRAY_SIZE(if_limits),

            
            		.max_interfaces = 4,

            
            		.num_different_channels = 1,

            
            		.beacon_int_infra_match = true,

            
            	}

            
            };


            static void mt7603_led_set_config(struct mt76_dev *mt76, u8 delay_on,

            
            				  u8 delay_off)

            
            {

            
            	struct mt7603_dev *dev = container_of(mt76, struct mt7603_dev,

            
            					      mt76);

            
            	u32 val, addr;


            	val = FIELD_PREP(MT_LED_STATUS_DURATION, 0xffff) |

            
            	      FIELD_PREP(MT_LED_STATUS_OFF, delay_off) |

            
            	      FIELD_PREP(MT_LED_STATUS_ON, delay_on);


            	addr = mt7603_reg_map(dev, MT_LED_STATUS_0(mt76->led_pin));

            
            	mt76_wr(dev, addr, val);

            
            	addr = mt7603_reg_map(dev, MT_LED_STATUS_1(mt76->led_pin));

            
            	mt76_wr(dev, addr, val);


            	val = MT_LED_CTRL_REPLAY(mt76->led_pin) |

            
            	      MT_LED_CTRL_KICK(mt76->led_pin);

            
            	if (mt76->led_al)

            
            		val |= MT_LED_CTRL_POLARITY(mt76->led_pin);

            
            	addr = mt7603_reg_map(dev, MT_LED_CTRL);

            
            	mt76_wr(dev, addr, val);

            
            }


            static int mt7603_led_set_blink(struct led_classdev *led_cdev,

            
            				unsigned long *delay_on,

            
            				unsigned long *delay_off)

            
            {

            
            	struct mt76_dev *mt76 = container_of(led_cdev, struct mt76_dev,

            
            					     led_cdev);

            
            	u8 delta_on, delta_off;


            	delta_off = max_t(u8, *delay_off / 10, 1);

            
            	delta_on = max_t(u8, *delay_on / 10, 1);


            	mt7603_led_set_config(mt76, delta_on, delta_off);

            
            	return 0;

            
            }


            static void mt7603_led_set_brightness(struct led_classdev *led_cdev,

            
            				      enum led_brightness brightness)

            
            {

            
            	struct mt76_dev *mt76 = container_of(led_cdev, struct mt76_dev,

            
            					     led_cdev);


            	if (!brightness)

            
            		mt7603_led_set_config(mt76, 0, 0xff);

            
            	else

            
            		mt7603_led_set_config(mt76, 0xff, 0);

            
            }


            static u32 __mt7603_reg_addr(struct mt7603_dev *dev, u32 addr)

            
            {

            
            	if (addr < 0x100000)

            
            		return addr;


            	return mt7603_reg_map(dev, addr);

            
            }


            static u32 mt7603_rr(struct mt76_dev *mdev, u32 offset)

            
            {

            
            	struct mt7603_dev *dev = container_of(mdev, struct mt7603_dev, mt76);

            
            	u32 addr = __mt7603_reg_addr(dev, offset);


            	return dev->bus_ops->rr(mdev, addr);

            
            }


            static void mt7603_wr(struct mt76_dev *mdev, u32 offset, u32 val)

            
            {

            
            	struct mt7603_dev *dev = container_of(mdev, struct mt7603_dev, mt76);

            
            	u32 addr = __mt7603_reg_addr(dev, offset);


            	dev->bus_ops->wr(mdev, addr, val);

            
            }


            static u32 mt7603_rmw(struct mt76_dev *mdev, u32 offset, u32 mask, u32 val)

            
            {

            
            	struct mt7603_dev *dev = container_of(mdev, struct mt7603_dev, mt76);

            
            	u32 addr = __mt7603_reg_addr(dev, offset);


            	return dev->bus_ops->rmw(mdev, addr, mask, val);

            
            }


            static void

            
            mt7603_regd_notifier(struct wiphy *wiphy,

            
            		     struct regulatory_request *request)

            
            {

            
            	struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);

            
            	struct mt7603_dev *dev = hw->priv;


            	dev->mt76.region = request->dfs_region;

            
            	dev->ed_monitor = dev->ed_monitor_enabled &&

            
            			  dev->mt76.region == NL80211_DFS_ETSI;

            
            }


            static int

            
            mt7603_txpower_signed(int val)

            
            {

            
            	bool sign = val & BIT(6);


            	if (!(val & BIT(7)))

            
            		return 0;


            	val &= GENMASK(5, 0);

            
            	if (!sign)

            
            		val = -val;


            	return val;

            
            }


            static void

            
            mt7603_init_txpower(struct mt7603_dev *dev,

            
            		    struct ieee80211_supported_band *sband)

            
            {

            
            	struct ieee80211_channel *chan;

            
            	u8 *eeprom = (u8 *)dev->mt76.eeprom.data;

            
            	int target_power = eeprom[MT_EE_TX_POWER_0_START_2G + 2] & ~BIT(7);

            
            	u8 *rate_power = &eeprom[MT_EE_TX_POWER_CCK];

            
            	bool ext_pa = eeprom[MT_EE_NIC_CONF_0 + 1] & BIT(1);

            
            	int max_offset, cur_offset;

            
            	int i;


            	if (ext_pa && is_mt7603(dev))

            
            		target_power = eeprom[MT_EE_TX_POWER_TSSI_OFF] & ~BIT(7);


            	if (target_power & BIT(6))

            
            		target_power = -(target_power & GENMASK(5, 0));


            	max_offset = 0;

            
            	for (i = 0; i < 14; i++) {

            
            		cur_offset = mt7603_txpower_signed(rate_power[i]);

            
            		max_offset = max(max_offset, cur_offset);

            
            	}


            	target_power += max_offset;


            	dev->tx_power_limit = target_power;

            
            	dev->mphy.txpower_cur = target_power;


            	target_power = DIV_ROUND_UP(target_power, 2);


            	/* add 3 dBm for 2SS devices (combined output) */

            
            	if (dev->mphy.antenna_mask & BIT(1))

            
            		target_power += 3;


            	for (i = 0; i < sband->n_channels; i++) {

            
            		chan = &sband->channels[i];

            
            		chan->max_power = min_t(int, chan->max_reg_power, target_power);

            
            		chan->orig_mpwr = target_power;

            
            	}

            
            }


            int mt7603_register_device(struct mt7603_dev *dev)

            
            {

            
            	struct mt76_bus_ops *bus_ops;

            
            	struct ieee80211_hw *hw = mt76_hw(dev);

            
            	struct wiphy *wiphy = hw->wiphy;

            
            	int ret;


            	dev->bus_ops = dev->mt76.bus;

            
            	bus_ops = devm_kmemdup(dev->mt76.dev, dev->bus_ops, sizeof(*bus_ops),

            
            			       GFP_KERNEL);

            
            	if (!bus_ops)

            
            		return -ENOMEM;


            	bus_ops->rr = mt7603_rr;

            
            	bus_ops->wr = mt7603_wr;

            
            	bus_ops->rmw = mt7603_rmw;

            
            	dev->mt76.bus = bus_ops;


            	INIT_LIST_HEAD(&dev->sta_poll_list);

            
            	spin_lock_init(&dev->sta_poll_lock);

            
            	spin_lock_init(&dev->ps_lock);


            	INIT_DELAYED_WORK(&dev->mphy.mac_work, mt7603_mac_work);

            
            	tasklet_setup(&dev->mt76.pre_tbtt_tasklet, mt7603_pre_tbtt_tasklet);


            	dev->slottime = 9;

            
            	dev->sensitivity_limit = 28;

            
            	dev->dynamic_sensitivity = true;


            	ret = mt7603_init_hardware(dev);

            
            	if (ret)

            
            		return ret;


            	hw->queues = 4;

            
            	hw->max_rates = 3;

            
            	hw->max_report_rates = 7;

            
            	hw->max_rate_tries = 11;


            	hw->sta_data_size = sizeof(struct mt7603_sta);

            
            	hw->vif_data_size = sizeof(struct mt7603_vif);


            	wiphy->iface_combinations = if_comb;

            
            	wiphy->n_iface_combinations = ARRAY_SIZE(if_comb);


            	ieee80211_hw_set(hw, TX_STATUS_NO_AMPDU_LEN);

            
            	ieee80211_hw_set(hw, HOST_BROADCAST_PS_BUFFERING);

            
            	ieee80211_hw_set(hw, NEEDS_UNIQUE_STA_ADDR);


            	/* init led callbacks */

            
            	if (IS_ENABLED(CONFIG_MT76_LEDS)) {

            
            		dev->mt76.led_cdev.brightness_set = mt7603_led_set_brightness;

            
            		dev->mt76.led_cdev.blink_set = mt7603_led_set_blink;

            
            	}


            	wiphy->reg_notifier = mt7603_regd_notifier;


            	ret = mt76_register_device(&dev->mt76, true, mt7603_rates,

            
            				   ARRAY_SIZE(mt7603_rates));

            
            	if (ret)

            
            		return ret;


            	mt7603_init_debugfs(dev);

            
            	mt7603_init_txpower(dev, &dev->mphy.sband_2g.sband);


            	return 0;

            
            }


            void mt7603_unregister_device(struct mt7603_dev *dev)

            
            {

            
            	tasklet_disable(&dev->mt76.pre_tbtt_tasklet);

            
            	mt76_unregister_device(&dev->mt76);

            
            	mt7603_mcu_exit(dev);

            
            	mt7603_dma_cleanup(dev);

            
            	mt76_free_device(&dev->mt76);

            
            }
	// SPDX-License-Identifier: ISC

	#include <linux/etherdevice.h>
	#include "mt7603.h"
	#include "mac.h"
	#include "eeprom.h"

	const struct mt76_driver_ops mt7603_drv_ops = {
	.txwi_size = MT_TXD_SIZE,
	.drv_flags = MT_DRV_SW_RX_AIRTIME,
	.survey_flags = SURVEY_INFO_TIME_TX,
	.tx_prepare_skb = mt7603_tx_prepare_skb,
	.tx_complete_skb = mt7603_tx_complete_skb,
	.rx_skb = mt7603_queue_rx_skb,
	.rx_poll_complete = mt7603_rx_poll_complete,
	.sta_ps = mt7603_sta_ps,
	.sta_add = mt7603_sta_add,
	.sta_assoc = mt7603_sta_assoc,
	.sta_remove = mt7603_sta_remove,
	.update_survey = mt7603_update_channel,
	};

	static void
	mt7603_set_tmac_template(struct mt7603_dev *dev)
	{
	u32 desc[5] = {
	[1] = FIELD_PREP(MT_TXD3_REM_TX_COUNT, 0xf),
	[3] = MT_TXD5_SW_POWER_MGMT
	};
	u32 addr;
	int i;

	addr = mt7603_reg_map(dev, MT_CLIENT_BASE_PHYS_ADDR);
	addr += MT_CLIENT_TMAC_INFO_TEMPLATE;
	for (i = 0; i < ARRAY_SIZE(desc); i++)
	mt76_wr(dev, addr + 4 * i, desc[i]);
	}

	static void
	mt7603_dma_sched_init(struct mt7603_dev *dev)
	{
	int page_size = 128;
	int page_count;
	int max_len = 1792;
	int max_amsdu_pages = 4096 / page_size;
	int max_mcu_len = 4096;
	int max_beacon_len = 512 * 4 + max_len;
	int max_mcast_pages = 4 * max_len / page_size;
	int reserved_count = 0;
	int beacon_pages;
	int mcu_pages;
	int i;

	page_count = mt76_get_field(dev, MT_PSE_FC_P0,
	MT_PSE_FC_P0_MAX_QUOTA);
	beacon_pages = 4 * (max_beacon_len / page_size);
	mcu_pages = max_mcu_len / page_size;

	mt76_wr(dev, MT_PSE_FRP,
	FIELD_PREP(MT_PSE_FRP_P0, 7) \|
	FIELD_PREP(MT_PSE_FRP_P1, 6) \|
	FIELD_PREP(MT_PSE_FRP_P2_RQ2, 4));

	mt76_wr(dev, MT_HIGH_PRIORITY_1, 0x55555553);
	mt76_wr(dev, MT_HIGH_PRIORITY_2, 0x78555555);

	mt76_wr(dev, MT_QUEUE_PRIORITY_1, 0x2b1a096e);
	mt76_wr(dev, MT_QUEUE_PRIORITY_2, 0x785f4d3c);

	mt76_wr(dev, MT_PRIORITY_MASK, 0xffffffff);

	mt76_wr(dev, MT_SCH_1, page_count \| (2 << 28));
	mt76_wr(dev, MT_SCH_2, max_amsdu_pages);

	for (i = 0; i <= 4; i++)
	mt76_wr(dev, MT_PAGE_COUNT(i), max_amsdu_pages);
	reserved_count += 5 * max_amsdu_pages;

	mt76_wr(dev, MT_PAGE_COUNT(5), mcu_pages);
	reserved_count += mcu_pages;

	mt76_wr(dev, MT_PAGE_COUNT(7), beacon_pages);
	reserved_count += beacon_pages;

	mt76_wr(dev, MT_PAGE_COUNT(8), max_mcast_pages);
	reserved_count += max_mcast_pages;

	if (is_mt7603(dev))
	reserved_count = 0;

	mt76_wr(dev, MT_RSV_MAX_THRESH, page_count - reserved_count);

	if (is_mt7603(dev) && mt76xx_rev(dev) >= MT7603_REV_E2) {
	mt76_wr(dev, MT_GROUP_THRESH(0),
	page_count - beacon_pages - mcu_pages);
	mt76_wr(dev, MT_GROUP_THRESH(1), beacon_pages);
	mt76_wr(dev, MT_BMAP_0, 0x0080ff5f);
	mt76_wr(dev, MT_GROUP_THRESH(2), mcu_pages);
	mt76_wr(dev, MT_BMAP_1, 0x00000020);
	} else {
	mt76_wr(dev, MT_GROUP_THRESH(0), page_count);
	mt76_wr(dev, MT_BMAP_0, 0xffff);
	}

	mt76_wr(dev, MT_SCH_4, 0);

	for (i = 0; i <= 15; i++)
	mt76_wr(dev, MT_TXTIME_THRESH(i), 0xfffff);

	mt76_set(dev, MT_SCH_4, BIT(6));
	}

	static void
	mt7603_phy_init(struct mt7603_dev *dev)
	{
	int rx_chains = dev->mphy.antenna_mask;
	int tx_chains = hweight8(rx_chains) - 1;

	mt76_rmw(dev, MT_WF_RMAC_RMCR,
	(MT_WF_RMAC_RMCR_SMPS_MODE \|
	MT_WF_RMAC_RMCR_RX_STREAMS),
	(FIELD_PREP(MT_WF_RMAC_RMCR_SMPS_MODE, 3) \|
	FIELD_PREP(MT_WF_RMAC_RMCR_RX_STREAMS, rx_chains)));

	mt76_rmw_field(dev, MT_TMAC_TCR, MT_TMAC_TCR_TX_STREAMS,
	tx_chains);

	dev->agc0 = mt76_rr(dev, MT_AGC(0));
	dev->agc3 = mt76_rr(dev, MT_AGC(3));
	}

	static void
	mt7603_mac_init(struct mt7603_dev *dev)
	{
	u8 bc_addr[ETH_ALEN];
	u32 addr;
	int i;

	mt76_wr(dev, MT_AGG_BA_SIZE_LIMIT_0,
	(MT_AGG_SIZE_LIMIT(0) << 0 * MT_AGG_BA_SIZE_LIMIT_SHIFT) \|
	(MT_AGG_SIZE_LIMIT(1) << 1 * MT_AGG_BA_SIZE_LIMIT_SHIFT) \|
	(MT_AGG_SIZE_LIMIT(2) << 2 * MT_AGG_BA_SIZE_LIMIT_SHIFT) \|
	(MT_AGG_SIZE_LIMIT(3) << 3 * MT_AGG_BA_SIZE_LIMIT_SHIFT));

	mt76_wr(dev, MT_AGG_BA_SIZE_LIMIT_1,
	(MT_AGG_SIZE_LIMIT(4) << 0 * MT_AGG_BA_SIZE_LIMIT_SHIFT) \|
	(MT_AGG_SIZE_LIMIT(5) << 1 * MT_AGG_BA_SIZE_LIMIT_SHIFT) \|
	(MT_AGG_SIZE_LIMIT(6) << 2 * MT_AGG_BA_SIZE_LIMIT_SHIFT) \|
	(MT_AGG_SIZE_LIMIT(7) << 3 * MT_AGG_BA_SIZE_LIMIT_SHIFT));

	mt76_wr(dev, MT_AGG_LIMIT,
	FIELD_PREP(MT_AGG_LIMIT_AC(0), 24) \|
	FIELD_PREP(MT_AGG_LIMIT_AC(1), 24) \|
	FIELD_PREP(MT_AGG_LIMIT_AC(2), 24) \|
	FIELD_PREP(MT_AGG_LIMIT_AC(3), 24));

	mt76_wr(dev, MT_AGG_LIMIT_1,
	FIELD_PREP(MT_AGG_LIMIT_AC(0), 24) \|
	FIELD_PREP(MT_AGG_LIMIT_AC(1), 24) \|
	FIELD_PREP(MT_AGG_LIMIT_AC(2), 24) \|
	FIELD_PREP(MT_AGG_LIMIT_AC(3), 24));

	mt76_wr(dev, MT_AGG_CONTROL,
	FIELD_PREP(MT_AGG_CONTROL_BAR_RATE, 0x4b) \|
	FIELD_PREP(MT_AGG_CONTROL_CFEND_RATE, 0x69) \|
	MT_AGG_CONTROL_NO_BA_AR_RULE);

	mt76_wr(dev, MT_AGG_RETRY_CONTROL,
	FIELD_PREP(MT_AGG_RETRY_CONTROL_BAR_LIMIT, 1) \|
	FIELD_PREP(MT_AGG_RETRY_CONTROL_RTS_LIMIT, 15));

	mt76_wr(dev, MT_DMA_DCR0, MT_DMA_DCR0_RX_VEC_DROP \|
	FIELD_PREP(MT_DMA_DCR0_MAX_RX_LEN, 4096));

	mt76_rmw(dev, MT_DMA_VCFR0, BIT(0), BIT(13));
	mt76_rmw(dev, MT_DMA_TMCFR0, BIT(0) \| BIT(1), BIT(13));

	mt76_clear(dev, MT_WF_RMAC_TMR_PA, BIT(31));

	mt76_set(dev, MT_WF_RMACDR, MT_WF_RMACDR_MAXLEN_20BIT);
	mt76_rmw(dev, MT_WF_RMAC_MAXMINLEN, 0xffffff, 0x19000);

	mt76_wr(dev, MT_WF_RFCR1, 0);

	mt76_set(dev, MT_TMAC_TCR, MT_TMAC_TCR_RX_RIFS_MODE);

	mt7603_set_tmac_template(dev);

	/* Enable RX group to HIF */
	addr = mt7603_reg_map(dev, MT_CLIENT_BASE_PHYS_ADDR);
	mt76_set(dev, addr + MT_CLIENT_RXINF, MT_CLIENT_RXINF_RXSH_GROUPS);

	/* Enable RX group to MCU */
	mt76_set(dev, MT_DMA_DCR1, GENMASK(13, 11));

	mt76_rmw_field(dev, MT_AGG_PCR_RTS, MT_AGG_PCR_RTS_PKT_THR, 3);
	mt76_set(dev, MT_TMAC_PCR, MT_TMAC_PCR_SPE_EN);

	/* include preamble detection in CCA trigger signal */
	mt76_rmw_field(dev, MT_TXREQ, MT_TXREQ_CCA_SRC_SEL, 2);

	mt76_wr(dev, MT_RXREQ, 4);

	/* Configure all rx packets to HIF */
	mt76_wr(dev, MT_DMA_RCFR0, 0xc0000000);

	/* Configure MCU txs selection with aggregation */
	mt76_wr(dev, MT_DMA_TCFR0,
	FIELD_PREP(MT_DMA_TCFR_TXS_AGGR_TIMEOUT, 1) \| /* 32 us */
	MT_DMA_TCFR_TXS_AGGR_COUNT);

	/* Configure HIF txs selection with aggregation */
	mt76_wr(dev, MT_DMA_TCFR1,
	FIELD_PREP(MT_DMA_TCFR_TXS_AGGR_TIMEOUT, 1) \| /* 32 us */
	MT_DMA_TCFR_TXS_AGGR_COUNT \| /* Maximum count */
	MT_DMA_TCFR_TXS_BIT_MAP);

	mt76_wr(dev, MT_MCU_PCIE_REMAP_1, MT_PSE_WTBL_2_PHYS_ADDR);

	for (i = 0; i < MT7603_WTBL_SIZE; i++)
	mt7603_wtbl_clear(dev, i);

	eth_broadcast_addr(bc_addr);
	mt7603_wtbl_init(dev, MT7603_WTBL_RESERVED, -1, bc_addr);
	dev->global_sta.wcid.idx = MT7603_WTBL_RESERVED;
	rcu_assign_pointer(dev->mt76.wcid[MT7603_WTBL_RESERVED],
	&dev->global_sta.wcid);

	mt76_rmw_field(dev, MT_LPON_BTEIR, MT_LPON_BTEIR_MBSS_MODE, 2);
	mt76_rmw_field(dev, MT_WF_RMACDR, MT_WF_RMACDR_MBSSID_MASK, 2);

	mt76_wr(dev, MT_AGG_ARUCR,
	FIELD_PREP(MT_AGG_ARxCR_LIMIT(0), 7) \|
	FIELD_PREP(MT_AGG_ARxCR_LIMIT(1), 2) \|
	FIELD_PREP(MT_AGG_ARxCR_LIMIT(2), 2) \|
	FIELD_PREP(MT_AGG_ARxCR_LIMIT(3), 2) \|
	FIELD_PREP(MT_AGG_ARxCR_LIMIT(4), 1) \|
	FIELD_PREP(MT_AGG_ARxCR_LIMIT(5), 1) \|
	FIELD_PREP(MT_AGG_ARxCR_LIMIT(6), 1) \|
	FIELD_PREP(MT_AGG_ARxCR_LIMIT(7), 1));

	mt76_wr(dev, MT_AGG_ARDCR,
	FIELD_PREP(MT_AGG_ARxCR_LIMIT(0), MT7603_RATE_RETRY - 1) \|
	FIELD_PREP(MT_AGG_ARxCR_LIMIT(1), MT7603_RATE_RETRY - 1) \|
	FIELD_PREP(MT_AGG_ARxCR_LIMIT(2), MT7603_RATE_RETRY - 1) \|
	FIELD_PREP(MT_AGG_ARxCR_LIMIT(3), MT7603_RATE_RETRY - 1) \|
	FIELD_PREP(MT_AGG_ARxCR_LIMIT(4), MT7603_RATE_RETRY - 1) \|
	FIELD_PREP(MT_AGG_ARxCR_LIMIT(5), MT7603_RATE_RETRY - 1) \|
	FIELD_PREP(MT_AGG_ARxCR_LIMIT(6), MT7603_RATE_RETRY - 1) \|
	FIELD_PREP(MT_AGG_ARxCR_LIMIT(7), MT7603_RATE_RETRY - 1));

	mt76_wr(dev, MT_AGG_ARCR,
	(FIELD_PREP(MT_AGG_ARCR_RTS_RATE_THR, 2) \|
	MT_AGG_ARCR_RATE_DOWN_RATIO_EN \|
	FIELD_PREP(MT_AGG_ARCR_RATE_DOWN_RATIO, 1) \|
	FIELD_PREP(MT_AGG_ARCR_RATE_UP_EXTRA_TH, 4)));

	mt76_set(dev, MT_WTBL_RMVTCR, MT_WTBL_RMVTCR_RX_MV_MODE);

	mt76_clear(dev, MT_SEC_SCR, MT_SEC_SCR_MASK_ORDER);
	mt76_clear(dev, MT_SEC_SCR, BIT(18));

	/* Set secondary beacon time offsets */
	for (i = 0; i <= 4; i++)
	mt76_rmw_field(dev, MT_LPON_SBTOR(i), MT_LPON_SBTOR_TIME_OFFSET,
	(i + 1) * (20 + 4096));
	}

	static int
	mt7603_init_hardware(struct mt7603_dev *dev)
	{
	int i, ret;

	mt76_wr(dev, MT_INT_SOURCE_CSR, ~0);

	ret = mt7603_eeprom_init(dev);
	if (ret < 0)
	return ret;

	ret = mt7603_dma_init(dev);
	if (ret)
	return ret;

	mt76_wr(dev, MT_WPDMA_GLO_CFG, 0x52000850);
	mt7603_mac_dma_start(dev);
	dev->rxfilter = mt76_rr(dev, MT_WF_RFCR);
	set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state);

	for (i = 0; i < MT7603_WTBL_SIZE; i++) {
	mt76_wr(dev, MT_PSE_RTA, MT_PSE_RTA_BUSY \| MT_PSE_RTA_WRITE \|
	FIELD_PREP(MT_PSE_RTA_TAG_ID, i));
	mt76_poll(dev, MT_PSE_RTA, MT_PSE_RTA_BUSY, 0, 5000);
	}

	ret = mt7603_mcu_init(dev);
	if (ret)
	return ret;

	mt7603_dma_sched_init(dev);
	mt7603_mcu_set_eeprom(dev);
	mt7603_phy_init(dev);
	mt7603_mac_init(dev);

	return 0;
	}

	#define CCK_RATE(_idx, _rate) { \
	.bitrate = _rate, \
	.flags = IEEE80211_RATE_SHORT_PREAMBLE, \
	.hw_value = (MT_PHY_TYPE_CCK << 8) \| (_idx), \
	.hw_value_short = (MT_PHY_TYPE_CCK << 8) \| (4 + _idx), \
	}

	#define OFDM_RATE(_idx, _rate) { \
	.bitrate = _rate, \
	.hw_value = (MT_PHY_TYPE_OFDM << 8) \| (_idx), \
	.hw_value_short = (MT_PHY_TYPE_OFDM << 8) \| (_idx), \
	}

	static struct ieee80211_rate mt7603_rates[] = {
	CCK_RATE(0, 10),
	CCK_RATE(1, 20),
	CCK_RATE(2, 55),
	CCK_RATE(3, 110),
	OFDM_RATE(11, 60),
	OFDM_RATE(15, 90),
	OFDM_RATE(10, 120),
	OFDM_RATE(14, 180),
	OFDM_RATE(9, 240),
	OFDM_RATE(13, 360),
	OFDM_RATE(8, 480),
	OFDM_RATE(12, 540),
	};

	static const struct ieee80211_iface_limit if_limits[] = {
	{
	.max = 1,
	.types = BIT(NL80211_IFTYPE_ADHOC)
	}, {
	.max = MT7603_MAX_INTERFACES,
	.types = BIT(NL80211_IFTYPE_STATION) \|
	#ifdef CONFIG_MAC80211_MESH
	BIT(NL80211_IFTYPE_MESH_POINT) \|
	#endif
	BIT(NL80211_IFTYPE_P2P_CLIENT) \|
	BIT(NL80211_IFTYPE_P2P_GO) \|
	BIT(NL80211_IFTYPE_AP)
	},
	};

	static const struct ieee80211_iface_combination if_comb[] = {
	{
	.limits = if_limits,
	.n_limits = ARRAY_SIZE(if_limits),
	.max_interfaces = 4,
	.num_different_channels = 1,
	.beacon_int_infra_match = true,
	}
	};

	static void mt7603_led_set_config(struct mt76_dev *mt76, u8 delay_on,
	u8 delay_off)
	{
	struct mt7603_dev *dev = container_of(mt76, struct mt7603_dev,
	mt76);
	u32 val, addr;

	val = FIELD_PREP(MT_LED_STATUS_DURATION, 0xffff) \|
	FIELD_PREP(MT_LED_STATUS_OFF, delay_off) \|
	FIELD_PREP(MT_LED_STATUS_ON, delay_on);

	addr = mt7603_reg_map(dev, MT_LED_STATUS_0(mt76->led_pin));
	mt76_wr(dev, addr, val);
	addr = mt7603_reg_map(dev, MT_LED_STATUS_1(mt76->led_pin));
	mt76_wr(dev, addr, val);

	val = MT_LED_CTRL_REPLAY(mt76->led_pin) \|
	MT_LED_CTRL_KICK(mt76->led_pin);
	if (mt76->led_al)
	val \|= MT_LED_CTRL_POLARITY(mt76->led_pin);
	addr = mt7603_reg_map(dev, MT_LED_CTRL);
	mt76_wr(dev, addr, val);
	}

	static int mt7603_led_set_blink(struct led_classdev *led_cdev,
	unsigned long *delay_on,
	unsigned long *delay_off)
	{
	struct mt76_dev *mt76 = container_of(led_cdev, struct mt76_dev,
	led_cdev);
	u8 delta_on, delta_off;

	delta_off = max_t(u8, *delay_off / 10, 1);
	delta_on = max_t(u8, *delay_on / 10, 1);

	mt7603_led_set_config(mt76, delta_on, delta_off);
	return 0;
	}

	static void mt7603_led_set_brightness(struct led_classdev *led_cdev,
	enum led_brightness brightness)
	{
	struct mt76_dev *mt76 = container_of(led_cdev, struct mt76_dev,
	led_cdev);

	if (!brightness)
	mt7603_led_set_config(mt76, 0, 0xff);
	else
	mt7603_led_set_config(mt76, 0xff, 0);
	}

	static u32 __mt7603_reg_addr(struct mt7603_dev *dev, u32 addr)
	{
	if (addr < 0x100000)
	return addr;

	return mt7603_reg_map(dev, addr);
	}

	static u32 mt7603_rr(struct mt76_dev *mdev, u32 offset)
	{
	struct mt7603_dev *dev = container_of(mdev, struct mt7603_dev, mt76);
	u32 addr = __mt7603_reg_addr(dev, offset);

	return dev->bus_ops->rr(mdev, addr);
	}

	static void mt7603_wr(struct mt76_dev *mdev, u32 offset, u32 val)
	{
	struct mt7603_dev *dev = container_of(mdev, struct mt7603_dev, mt76);
	u32 addr = __mt7603_reg_addr(dev, offset);

	dev->bus_ops->wr(mdev, addr, val);
	}

	static u32 mt7603_rmw(struct mt76_dev *mdev, u32 offset, u32 mask, u32 val)
	{
	struct mt7603_dev *dev = container_of(mdev, struct mt7603_dev, mt76);
	u32 addr = __mt7603_reg_addr(dev, offset);

	return dev->bus_ops->rmw(mdev, addr, mask, val);
	}

	static void
	mt7603_regd_notifier(struct wiphy *wiphy,
	struct regulatory_request *request)
	{
	struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
	struct mt7603_dev *dev = hw->priv;

	dev->mt76.region = request->dfs_region;
	dev->ed_monitor = dev->ed_monitor_enabled &&
	dev->mt76.region == NL80211_DFS_ETSI;
	}

	static int
	mt7603_txpower_signed(int val)
	{
	bool sign = val & BIT(6);

	if (!(val & BIT(7)))
	return 0;

	val &= GENMASK(5, 0);
	if (!sign)
	val = -val;

	return val;
	}

	static void
	mt7603_init_txpower(struct mt7603_dev *dev,
	struct ieee80211_supported_band *sband)
	{
	struct ieee80211_channel *chan;
	u8 eeprom = (u8 )dev->mt76.eeprom.data;
	int target_power = eeprom[MT_EE_TX_POWER_0_START_2G + 2] & ~BIT(7);
	u8 *rate_power = &eeprom[MT_EE_TX_POWER_CCK];
	bool ext_pa = eeprom[MT_EE_NIC_CONF_0 + 1] & BIT(1);
	int max_offset, cur_offset;
	int i;

	if (ext_pa && is_mt7603(dev))
	target_power = eeprom[MT_EE_TX_POWER_TSSI_OFF] & ~BIT(7);

	if (target_power & BIT(6))
	target_power = -(target_power & GENMASK(5, 0));

	max_offset = 0;
	for (i = 0; i < 14; i++) {
	cur_offset = mt7603_txpower_signed(rate_power[i]);
	max_offset = max(max_offset, cur_offset);
	}

	target_power += max_offset;

	dev->tx_power_limit = target_power;
	dev->mphy.txpower_cur = target_power;

	target_power = DIV_ROUND_UP(target_power, 2);

	/* add 3 dBm for 2SS devices (combined output) */
	if (dev->mphy.antenna_mask & BIT(1))
	target_power += 3;

	for (i = 0; i < sband->n_channels; i++) {
	chan = &sband->channels[i];
	chan->max_power = min_t(int, chan->max_reg_power, target_power);
	chan->orig_mpwr = target_power;
	}
	}

	int mt7603_register_device(struct mt7603_dev *dev)
	{
	struct mt76_bus_ops *bus_ops;
	struct ieee80211_hw *hw = mt76_hw(dev);
	struct wiphy *wiphy = hw->wiphy;
	int ret;

	dev->bus_ops = dev->mt76.bus;
	bus_ops = devm_kmemdup(dev->mt76.dev, dev->bus_ops, sizeof(*bus_ops),
	GFP_KERNEL);
	if (!bus_ops)
	return -ENOMEM;

	bus_ops->rr = mt7603_rr;
	bus_ops->wr = mt7603_wr;
	bus_ops->rmw = mt7603_rmw;
	dev->mt76.bus = bus_ops;

	INIT_LIST_HEAD(&dev->sta_poll_list);
	spin_lock_init(&dev->sta_poll_lock);
	spin_lock_init(&dev->ps_lock);

	INIT_DELAYED_WORK(&dev->mphy.mac_work, mt7603_mac_work);
	tasklet_setup(&dev->mt76.pre_tbtt_tasklet, mt7603_pre_tbtt_tasklet);

	dev->slottime = 9;
	dev->sensitivity_limit = 28;
	dev->dynamic_sensitivity = true;

	ret = mt7603_init_hardware(dev);
	if (ret)
	return ret;

	hw->queues = 4;
	hw->max_rates = 3;
	hw->max_report_rates = 7;
	hw->max_rate_tries = 11;

	hw->sta_data_size = sizeof(struct mt7603_sta);
	hw->vif_data_size = sizeof(struct mt7603_vif);

	wiphy->iface_combinations = if_comb;
	wiphy->n_iface_combinations = ARRAY_SIZE(if_comb);

	ieee80211_hw_set(hw, TX_STATUS_NO_AMPDU_LEN);
	ieee80211_hw_set(hw, HOST_BROADCAST_PS_BUFFERING);
	ieee80211_hw_set(hw, NEEDS_UNIQUE_STA_ADDR);

	/* init led callbacks */
	if (IS_ENABLED(CONFIG_MT76_LEDS)) {
	dev->mt76.led_cdev.brightness_set = mt7603_led_set_brightness;
	dev->mt76.led_cdev.blink_set = mt7603_led_set_blink;
	}

	wiphy->reg_notifier = mt7603_regd_notifier;

	ret = mt76_register_device(&dev->mt76, true, mt7603_rates,
	ARRAY_SIZE(mt7603_rates));
	if (ret)
	return ret;

	mt7603_init_debugfs(dev);
	mt7603_init_txpower(dev, &dev->mphy.sband_2g.sband);

	return 0;
	}

	void mt7603_unregister_device(struct mt7603_dev *dev)
	{
	tasklet_disable(&dev->mt76.pre_tbtt_tasklet);
	mt76_unregister_device(&dev->mt76);
	mt7603_mcu_exit(dev);
	mt7603_dma_cleanup(dev);
	mt76_free_device(&dev->mt76);
	}