mt76: mt7921: add MAC support

Add Rx packet description parsing, Tx packet description compositon, handle
packet recycling and provide MAC information mt76 core needs to support
mac80211.
Co-developed-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Co-developed-by: Soul Huang <Soul.Huang@mediatek.com>
Signed-off-by: Soul Huang <Soul.Huang@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt7921/mac.h

+/* SPDX-License-Identifier: ISC */
+/* Copyright (C) 2020 MediaTek Inc. */
+
+#ifndef __MT7921_MAC_H
+#define __MT7921_MAC_H
+
+#define MT_CT_PARSE_LEN			72
+#define MT_CT_DMA_BUF_NUM		2
+
+#define MT_RXD0_LENGTH			GENMASK(15, 0)
+#define MT_RXD0_PKT_FLAG                GENMASK(19, 16)
+#define MT_RXD0_PKT_TYPE		GENMASK(31, 27)
+
+#define MT_RXD0_NORMAL_ETH_TYPE_OFS	GENMASK(22, 16)
+#define MT_RXD0_NORMAL_IP_SUM		BIT(23)
+#define MT_RXD0_NORMAL_UDP_TCP_SUM	BIT(24)
+
+enum rx_pkt_type {
+	PKT_TYPE_TXS,
+	PKT_TYPE_TXRXV,
+	PKT_TYPE_NORMAL,
+	PKT_TYPE_RX_DUP_RFB,
+	PKT_TYPE_RX_TMR,
+	PKT_TYPE_RETRIEVE,
+	PKT_TYPE_TXRX_NOTIFY,
+	PKT_TYPE_RX_EVENT,
+	PKT_TYPE_NORMAL_MCU,
+};
+
+/* RXD DW1 */
+#define MT_RXD1_NORMAL_WLAN_IDX		GENMASK(9, 0)
+#define MT_RXD1_NORMAL_GROUP_1		BIT(11)
+#define MT_RXD1_NORMAL_GROUP_2		BIT(12)
+#define MT_RXD1_NORMAL_GROUP_3		BIT(13)
+#define MT_RXD1_NORMAL_GROUP_4		BIT(14)
+#define MT_RXD1_NORMAL_GROUP_5		BIT(15)
+#define MT_RXD1_NORMAL_SEC_MODE		GENMASK(20, 16)
+#define MT_RXD1_NORMAL_KEY_ID		GENMASK(22, 21)
+#define MT_RXD1_NORMAL_CM		BIT(23)
+#define MT_RXD1_NORMAL_CLM		BIT(24)
+#define MT_RXD1_NORMAL_ICV_ERR		BIT(25)
+#define MT_RXD1_NORMAL_TKIP_MIC_ERR	BIT(26)
+#define MT_RXD1_NORMAL_FCS_ERR		BIT(27)
+#define MT_RXD1_NORMAL_BAND_IDX		BIT(28)
+#define MT_RXD1_NORMAL_SPP_EN		BIT(29)
+#define MT_RXD1_NORMAL_ADD_OM		BIT(30)
+#define MT_RXD1_NORMAL_SEC_DONE		BIT(31)
+
+/* RXD DW2 */
+#define MT_RXD2_NORMAL_BSSID		GENMASK(5, 0)
+#define MT_RXD2_NORMAL_CO_ANT		BIT(6)
+#define MT_RXD2_NORMAL_BF_CQI		BIT(7)
+#define MT_RXD2_NORMAL_MAC_HDR_LEN	GENMASK(12, 8)
+#define MT_RXD2_NORMAL_HDR_TRANS	BIT(13)
+#define MT_RXD2_NORMAL_HDR_OFFSET	GENMASK(15, 14)
+#define MT_RXD2_NORMAL_TID		GENMASK(19, 16)
+#define MT_RXD2_NORMAL_MU_BAR		BIT(21)
+#define MT_RXD2_NORMAL_SW_BIT		BIT(22)
+#define MT_RXD2_NORMAL_AMSDU_ERR	BIT(23)
+#define MT_RXD2_NORMAL_MAX_LEN_ERROR	BIT(24)
+#define MT_RXD2_NORMAL_HDR_TRANS_ERROR	BIT(25)
+#define MT_RXD2_NORMAL_INT_FRAME	BIT(26)
+#define MT_RXD2_NORMAL_FRAG		BIT(27)
+#define MT_RXD2_NORMAL_NULL_FRAME	BIT(28)
+#define MT_RXD2_NORMAL_NDATA		BIT(29)
+#define MT_RXD2_NORMAL_NON_AMPDU	BIT(30)
+#define MT_RXD2_NORMAL_BF_REPORT	BIT(31)
+
+/* RXD DW3 */
+#define MT_RXD3_NORMAL_RXV_SEQ		GENMASK(7, 0)
+#define MT_RXD3_NORMAL_CH_FREQ		GENMASK(15, 8)
+#define MT_RXD3_NORMAL_ADDR_TYPE	GENMASK(17, 16)
+#define MT_RXD3_NORMAL_U2M		BIT(0)
+#define MT_RXD3_NORMAL_HTC_VLD		BIT(0)
+#define MT_RXD3_NORMAL_TSF_COMPARE_LOSS	BIT(19)
+#define MT_RXD3_NORMAL_BEACON_MC	BIT(20)
+#define MT_RXD3_NORMAL_BEACON_UC	BIT(21)
+#define MT_RXD3_NORMAL_AMSDU		BIT(22)
+#define MT_RXD3_NORMAL_MESH		BIT(23)
+#define MT_RXD3_NORMAL_MHCP		BIT(24)
+#define MT_RXD3_NORMAL_NO_INFO_WB	BIT(25)
+#define MT_RXD3_NORMAL_DISABLE_RX_HDR_TRANS	BIT(26)
+#define MT_RXD3_NORMAL_POWER_SAVE_STAT	BIT(27)
+#define MT_RXD3_NORMAL_MORE		BIT(28)
+#define MT_RXD3_NORMAL_UNWANT		BIT(29)
+#define MT_RXD3_NORMAL_RX_DROP		BIT(30)
+#define MT_RXD3_NORMAL_VLAN2ETH		BIT(31)
+
+/* RXD DW4 */
+#define MT_RXD4_NORMAL_PAYLOAD_FORMAT	GENMASK(1, 0)
+#define MT_RXD4_NORMAL_PATTERN_DROP	BIT(9)
+#define MT_RXD4_NORMAL_CLS		BIT(10)
+#define MT_RXD4_NORMAL_OFLD		GENMASK(12, 11)
+#define MT_RXD4_NORMAL_MAGIC_PKT	BIT(13)
+#define MT_RXD4_NORMAL_WOL		GENMASK(18, 14)
+#define MT_RXD4_NORMAL_CLS_BITMAP	GENMASK(28, 19)
+#define MT_RXD3_NORMAL_PF_MODE		BIT(29)
+#define MT_RXD3_NORMAL_PF_STS		GENMASK(31, 30)
+
+/* P-RXV */
+#define MT_PRXV_TX_RATE			GENMASK(6, 0)
+#define MT_PRXV_TX_DCM			BIT(4)
+#define MT_PRXV_TX_ER_SU_106T		BIT(5)
+#define MT_PRXV_NSTS			GENMASK(9, 7)
+#define MT_PRXV_HT_AD_CODE		BIT(11)
+#define MT_PRXV_HE_RU_ALLOC_L		GENMASK(31, 28)
+#define MT_PRXV_HE_RU_ALLOC_H		GENMASK(3, 0)
+#define MT_PRXV_RCPI3			GENMASK(31, 24)
+#define MT_PRXV_RCPI2			GENMASK(23, 16)
+#define MT_PRXV_RCPI1			GENMASK(15, 8)
+#define MT_PRXV_RCPI0			GENMASK(7, 0)
+
+/* C-RXV */
+#define MT_CRXV_HT_STBC			GENMASK(1, 0)
+#define MT_CRXV_TX_MODE			GENMASK(7, 4)
+#define MT_CRXV_FRAME_MODE		GENMASK(10, 8)
+#define MT_CRXV_HT_SHORT_GI		GENMASK(14, 13)
+#define MT_CRXV_HE_LTF_SIZE		GENMASK(18, 17)
+#define MT_CRXV_HE_LDPC_EXT_SYM		BIT(20)
+#define MT_CRXV_HE_PE_DISAMBIG		BIT(23)
+#define MT_CRXV_HE_UPLINK		BIT(31)
+
+#define MT_CRXV_HE_SR_MASK		GENMASK(11, 8)
+#define MT_CRXV_HE_SR1_MASK		GENMASK(16, 12)
+#define MT_CRXV_HE_SR2_MASK             GENMASK(20, 17)
+#define MT_CRXV_HE_SR3_MASK             GENMASK(24, 21)
+
+#define MT_CRXV_HE_BSS_COLOR		GENMASK(5, 0)
+#define MT_CRXV_HE_TXOP_DUR		GENMASK(12, 6)
+#define MT_CRXV_HE_BEAM_CHNG		BIT(13)
+#define MT_CRXV_HE_DOPPLER		BIT(16)
+
+#define MT_CRXV_SNR		GENMASK(18, 13)
+#define MT_CRXV_FOE_LO		GENMASK(31, 19)
+#define MT_CRXV_FOE_HI		GENMASK(6, 0)
+#define MT_CRXV_FOE_SHIFT	13
+
+enum tx_header_format {
+	MT_HDR_FORMAT_802_3,
+	MT_HDR_FORMAT_CMD,
+	MT_HDR_FORMAT_802_11,
+	MT_HDR_FORMAT_802_11_EXT,
+};
+
+enum tx_pkt_type {
+	MT_TX_TYPE_CT,
+	MT_TX_TYPE_SF,
+	MT_TX_TYPE_CMD,
+	MT_TX_TYPE_FW,
+};
+
+enum tx_port_idx {
+	MT_TX_PORT_IDX_LMAC,
+	MT_TX_PORT_IDX_MCU
+};
+
+enum tx_mcu_port_q_idx {
+	MT_TX_MCU_PORT_RX_Q0 = 0x20,
+	MT_TX_MCU_PORT_RX_Q1,
+	MT_TX_MCU_PORT_RX_Q2,
+	MT_TX_MCU_PORT_RX_Q3,
+	MT_TX_MCU_PORT_RX_FWDL = 0x3e
+};
+
+#define MT_CT_INFO_APPLY_TXD		BIT(0)
+#define MT_CT_INFO_COPY_HOST_TXD_ALL	BIT(1)
+#define MT_CT_INFO_MGMT_FRAME		BIT(2)
+#define MT_CT_INFO_NONE_CIPHER_FRAME	BIT(3)
+#define MT_CT_INFO_HSR2_TX		BIT(4)
+#define MT_CT_INFO_FROM_HOST		BIT(7)
+
+#define MT_TXD_SIZE			(8 * 4)
+
+#define MT_TXD0_Q_IDX			GENMASK(31, 25)
+#define MT_TXD0_PKT_FMT			GENMASK(24, 23)
+#define MT_TXD0_ETH_TYPE_OFFSET		GENMASK(22, 16)
+#define MT_TXD0_TX_BYTES		GENMASK(15, 0)
+
+#define MT_TXD1_LONG_FORMAT		BIT(31)
+#define MT_TXD1_TGID			BIT(30)
+#define MT_TXD1_OWN_MAC			GENMASK(29, 24)
+#define MT_TXD1_AMSDU			BIT(23)
+#define MT_TXD1_TID			GENMASK(22, 20)
+#define MT_TXD1_HDR_PAD			GENMASK(19, 18)
+#define MT_TXD1_HDR_FORMAT		GENMASK(17, 16)
+#define MT_TXD1_HDR_INFO		GENMASK(15, 11)
+#define MT_TXD1_ETH_802_3		BIT(15)
+#define MT_TXD1_VTA			BIT(10)
+#define MT_TXD1_WLAN_IDX		GENMASK(9, 0)
+
+#define MT_TXD2_FIX_RATE		BIT(31)
+#define MT_TXD2_FIXED_RATE		BIT(30)
+#define MT_TXD2_POWER_OFFSET		GENMASK(29, 24)
+#define MT_TXD2_MAX_TX_TIME		GENMASK(23, 16)
+#define MT_TXD2_FRAG			GENMASK(15, 14)
+#define MT_TXD2_HTC_VLD			BIT(13)
+#define MT_TXD2_DURATION		BIT(12)
+#define MT_TXD2_BIP			BIT(11)
+#define MT_TXD2_MULTICAST		BIT(10)
+#define MT_TXD2_RTS			BIT(9)
+#define MT_TXD2_SOUNDING		BIT(8)
+#define MT_TXD2_NDPA			BIT(7)
+#define MT_TXD2_NDP			BIT(6)
+#define MT_TXD2_FRAME_TYPE		GENMASK(5, 4)
+#define MT_TXD2_SUB_TYPE		GENMASK(3, 0)
+
+#define MT_TXD3_SN_VALID		BIT(31)
+#define MT_TXD3_PN_VALID		BIT(30)
+#define MT_TXD3_SW_POWER_MGMT		BIT(29)
+#define MT_TXD3_BA_DISABLE		BIT(28)
+#define MT_TXD3_SEQ			GENMASK(27, 16)
+#define MT_TXD3_REM_TX_COUNT		GENMASK(15, 11)
+#define MT_TXD3_TX_COUNT		GENMASK(10, 6)
+#define MT_TXD3_TIMING_MEASURE		BIT(5)
+#define MT_TXD3_DAS			BIT(4)
+#define MT_TXD3_EEOSP			BIT(3)
+#define MT_TXD3_EMRD			BIT(2)
+#define MT_TXD3_PROTECT_FRAME		BIT(1)
+#define MT_TXD3_NO_ACK			BIT(0)
+
+#define MT_TXD4_PN_LOW			GENMASK(31, 0)
+
+#define MT_TXD5_PN_HIGH			GENMASK(31, 16)
+#define MT_TXD5_MD			BIT(15)
+#define MT_TXD5_ADD_BA			BIT(14)
+#define MT_TXD5_TX_STATUS_HOST		BIT(10)
+#define MT_TXD5_TX_STATUS_MCU		BIT(9)
+#define MT_TXD5_TX_STATUS_FMT		BIT(8)
+#define MT_TXD5_PID			GENMASK(7, 0)
+
+#define MT_TXD6_TX_IBF			BIT(31)
+#define MT_TXD6_TX_EBF			BIT(30)
+#define MT_TXD6_TX_RATE			GENMASK(29, 16)
+#define MT_TXD6_SGI			GENMASK(15, 14)
+#define MT_TXD6_HELTF			GENMASK(13, 12)
+#define MT_TXD6_LDPC			BIT(11)
+#define MT_TXD6_SPE_ID_IDX		BIT(10)
+#define MT_TXD6_ANT_ID			GENMASK(7, 4)
+#define MT_TXD6_DYN_BW			BIT(3)
+#define MT_TXD6_FIXED_BW		BIT(2)
+#define MT_TXD6_BW			GENMASK(1, 0)
+
+#define MT_TXD7_TXD_LEN			GENMASK(31, 30)
+#define MT_TXD7_UDP_TCP_SUM		BIT(29)
+#define MT_TXD7_IP_SUM			BIT(28)
+
+#define MT_TXD7_TYPE			GENMASK(21, 20)
+#define MT_TXD7_SUB_TYPE		GENMASK(19, 16)
+
+#define MT_TXD7_PSE_FID			GENMASK(27, 16)
+#define MT_TXD7_SPE_IDX			GENMASK(15, 11)
+#define MT_TXD7_HW_AMSDU		BIT(10)
+#define MT_TXD7_TX_TIME			GENMASK(9, 0)
+
+#define MT_TX_RATE_STBC			BIT(13)
+#define MT_TX_RATE_NSS			GENMASK(12, 10)
+#define MT_TX_RATE_MODE			GENMASK(9, 6)
+#define MT_TX_RATE_SU_EXT_TONE		BIT(5)
+#define MT_TX_RATE_DCM			BIT(4)
+#define MT_TX_RATE_IDX			GENMASK(3, 0)
+
+#define MT_TXP_MAX_BUF_NUM		6
+
+struct mt7921_txp {
+	__le16 flags;
+	__le16 token;
+	u8 bss_idx;
+	__le16 rept_wds_wcid;
+	u8 nbuf;
+	__le32 buf[MT_TXP_MAX_BUF_NUM];
+	__le16 len[MT_TXP_MAX_BUF_NUM];
+} __packed __aligned(4);
+
+struct mt7921_tx_free {
+	__le16 rx_byte_cnt;
+	__le16 ctrl;
+	u8 txd_cnt;
+	u8 rsv[3];
+	__le32 info[];
+} __packed __aligned(4);
+
+#define MT_TX_FREE_MSDU_CNT		GENMASK(9, 0)
+#define MT_TX_FREE_WLAN_ID		GENMASK(23, 14)
+#define MT_TX_FREE_LATENCY		GENMASK(12, 0)
+/* 0: success, others: dropped */
+#define MT_TX_FREE_STATUS		GENMASK(14, 13)
+#define MT_TX_FREE_MSDU_ID		GENMASK(30, 16)
+#define MT_TX_FREE_PAIR			BIT(31)
+/* will support this field in further revision */
+#define MT_TX_FREE_RATE			GENMASK(13, 0)
+
+static inline struct mt7921_txp_common *
+mt7921_txwi_to_txp(struct mt76_dev *dev, struct mt76_txwi_cache *t)
+{
+	u8 *txwi;
+
+	if (!t)
+		return NULL;
+
+	txwi = mt76_get_txwi_ptr(dev, t);
+
+	return (struct mt7921_txp_common *)(txwi + MT_TXD_SIZE);
+}
+
+#define MT_HW_TXP_MAX_MSDU_NUM		4
+#define MT_HW_TXP_MAX_BUF_NUM		4
+
+#define MT_MSDU_ID_VALID		BIT(15)
+
+#define MT_TXD_LEN_MASK			GENMASK(11, 0)
+#define MT_TXD_LEN_MSDU_LAST		BIT(14)
+#define MT_TXD_LEN_AMSDU_LAST		BIT(15)
+#define MT_TXD_LEN_LAST			BIT(15)
+
+struct mt7921_txp_ptr {
+	__le32 buf0;
+	__le16 len0;
+	__le16 len1;
+	__le32 buf1;
+} __packed __aligned(4);
+
+struct mt7921_hw_txp {
+	__le16 msdu_id[MT_HW_TXP_MAX_MSDU_NUM];
+	struct mt7921_txp_ptr ptr[MT_HW_TXP_MAX_BUF_NUM / 2];
+} __packed __aligned(4);
+
+struct mt7921_txp_common {
+	union {
+		struct mt7921_hw_txp hw;
+	};
+};
+
+#endif

drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h

+/* SPDX-License-Identifier: ISC */
+/* Copyright (C) 2020 MediaTek Inc. */
+
+#ifndef __MT7921_H
+#define __MT7921_H
+
+#include <linux/interrupt.h>
+#include <linux/ktime.h>
+#include "../mt76.h"
+#include "regs.h"
+
+#define MT7921_MAX_INTERFACES		4
+#define MT7921_MAX_WMM_SETS		4
+#define MT7921_WTBL_SIZE		20
+#define MT7921_WTBL_RESERVED		(MT7921_WTBL_SIZE - 1)
+#define MT7921_WTBL_STA			(MT7921_WTBL_RESERVED - \
+					 MT7921_MAX_INTERFACES)
+
+#define MT7921_HW_SCAN_TIMEOUT		(HZ / 10)
+#define MT7921_WATCHDOG_TIME		(HZ / 10)
+#define MT7921_RESET_TIMEOUT		(30 * HZ)
+
+#define MT7921_TX_RING_SIZE		2048
+#define MT7921_TX_MCU_RING_SIZE		256
+#define MT7921_TX_FWDL_RING_SIZE	128
+
+#define MT7921_RX_RING_SIZE		1536
+#define MT7921_RX_MCU_RING_SIZE		512
+
+#define MT7921_FIRMWARE_WM		"mediatek/WIFI_RAM_CODE_MT7961_1.bin"
+#define MT7921_ROM_PATCH		"mediatek/WIFI_MT7961_patch_mcu_1_2_hdr.bin"
+
+#define MT7921_EEPROM_SIZE		3584
+#define MT7921_TOKEN_SIZE		8192
+#define MT7921_TOKEN_FREE_THR		64
+
+#define MT7921_CFEND_RATE_DEFAULT	0x49	/* OFDM 24M */
+#define MT7921_CFEND_RATE_11B		0x03	/* 11B LP, 11M */
+#define MT7921_5G_RATE_DEFAULT		0x4b	/* OFDM 6M */
+#define MT7921_2G_RATE_DEFAULT		0x0	/* CCK 1M */
+
+#define MT7921_SKU_RATE_NUM		161
+#define MT7921_SKU_MAX_DELTA_IDX	MT7921_SKU_RATE_NUM
+#define MT7921_SKU_TABLE_SIZE		(MT7921_SKU_RATE_NUM + 1)
+
+#define MT7921_SCAN_IE_LEN		600
+
+struct mt7921_vif;
+struct mt7921_sta;
+
+enum mt7921_txq_id {
+	MT7921_TXQ_BAND0,
+	MT7921_TXQ_BAND1,
+	MT7921_TXQ_FWDL = 16,
+	MT7921_TXQ_MCU_WM,
+};
+
+enum mt7921_rxq_id {
+	MT7921_RXQ_BAND0 = 0,
+	MT7921_RXQ_BAND1,
+	MT7921_RXQ_MCU_WM = 0,
+};
+
+struct mt7921_sta_stats {
+	struct rate_info prob_rate;
+	struct rate_info tx_rate;
+
+	unsigned long per;
+	unsigned long changed;
+	unsigned long jiffies;
+};
+
+struct mt7921_sta_key_conf {
+	s8 keyidx;
+	u8 key[16];
+};
+
+struct mt7921_sta {
+	struct mt76_wcid wcid; /* must be first */
+
+	struct mt7921_vif *vif;
+
+	struct list_head stats_list;
+	struct list_head poll_list;
+	u32 airtime_ac[8];
+
+	struct mt7921_sta_stats stats;
+
+	unsigned long ampdu_state;
+
+	struct mt7921_sta_key_conf bip;
+};
+
+struct mt7921_vif {
+	struct mt76_vif mt76; /* must be first */
+
+	struct mt7921_sta sta;
+	struct mt7921_phy *phy;
+
+	struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
+};
+
+struct mib_stats {
+	u16 ack_fail_cnt;
+	u16 fcs_err_cnt;
+	u16 rts_cnt;
+	u16 rts_retries_cnt;
+	u16 ba_miss_cnt;
+};
+
+struct mt7921_phy {
+	struct mt76_phy *mt76;
+	struct mt7921_dev *dev;
+
+	struct ieee80211_sband_iftype_data iftype[2][NUM_NL80211_IFTYPES];
+
+	struct ieee80211_vif *monitor_vif;
+
+	u32 rxfilter;
+	u64 omac_mask;
+
+	u16 noise;
+
+	s16 coverage_class;
+	u8 slottime;
+
+	__le32 rx_ampdu_ts;
+	u32 ampdu_ref;
+
+	struct mib_stats mib;
+	struct list_head stats_list;
+
+	struct sk_buff_head scan_event_list;
+	struct delayed_work scan_work;
+};
+
+struct mt7921_dev {
+	union { /* must be first */
+		struct mt76_dev mt76;
+		struct mt76_phy mphy;
+	};
+
+	const struct mt76_bus_ops *bus_ops;
+	struct mt7921_phy phy;
+	struct tasklet_struct irq_tasklet;
+
+	u16 chainmask;
+
+	struct work_struct init_work;
+	struct work_struct reset_work;
+	wait_queue_head_t reset_wait;
+	u32 reset_state;
+
+	struct list_head sta_poll_list;
+	spinlock_t sta_poll_lock;
+
+	spinlock_t token_lock;
+	int token_count;
+	struct idr token;
+
+	u8 fw_debug;
+};
+
+enum {
+	HW_BSSID_0 = 0x0,
+	HW_BSSID_1,
+	HW_BSSID_2,
+	HW_BSSID_3,
+	HW_BSSID_MAX = HW_BSSID_3,
+	EXT_BSSID_START = 0x10,
+	EXT_BSSID_1,
+	EXT_BSSID_15 = 0x1f,
+	EXT_BSSID_MAX = EXT_BSSID_15,
+	REPEATER_BSSID_START = 0x20,
+	REPEATER_BSSID_MAX = 0x3f,
+};
+
+enum {
+	MT_LMAC_AC00,
+	MT_LMAC_AC01,
+	MT_LMAC_AC02,
+	MT_LMAC_AC03,
+	MT_LMAC_ALTX0 = 0x10,
+	MT_LMAC_BMC0,
+	MT_LMAC_BCN0,
+};
+
+static inline struct mt7921_phy *
+mt7921_hw_phy(struct ieee80211_hw *hw)
+{
+	struct mt76_phy *phy = hw->priv;
+
+	return phy->priv;
+}
+
+static inline struct mt7921_dev *
+mt7921_hw_dev(struct ieee80211_hw *hw)
+{
+	struct mt76_phy *phy = hw->priv;
+
+	return container_of(phy->dev, struct mt7921_dev, mt76);
+}
+
+static inline u8 mt7921_lmac_mapping(struct mt7921_dev *dev, u8 ac)
+{
+	/* LMAC uses the reverse order of mac80211 AC indexes */
+	return 3 - ac;
+}
+
+extern const struct ieee80211_ops mt7921_ops;
+extern struct pci_driver mt7921_pci_driver;
+
+u32 mt7921_reg_map(struct mt7921_dev *dev, u32 addr);
+
+int mt7921_register_device(struct mt7921_dev *dev);
+void mt7921_unregister_device(struct mt7921_dev *dev);
+int mt7921_eeprom_init(struct mt7921_dev *dev);
+void mt7921_eeprom_parse_band_config(struct mt7921_phy *phy);
+int mt7921_eeprom_get_target_power(struct mt7921_dev *dev,
+				   struct ieee80211_channel *chan,
+				   u8 chain_idx);
+void mt7921_eeprom_init_sku(struct mt7921_dev *dev);
+int mt7921_dma_init(struct mt7921_dev *dev);
+void mt7921_dma_prefetch(struct mt7921_dev *dev);
+void mt7921_dma_cleanup(struct mt7921_dev *dev);
+int mt7921_mcu_init(struct mt7921_dev *dev);
+int mt7921_mcu_add_bss_info(struct mt7921_phy *phy,
+			    struct ieee80211_vif *vif, int enable);
+int mt7921_mcu_add_key(struct mt7921_dev *dev, struct ieee80211_vif *vif,
+		       struct mt7921_sta *msta, struct ieee80211_key_conf *key,
+		       enum set_key_cmd cmd);
+int mt7921_set_channel(struct mt7921_phy *phy);
+int mt7921_mcu_set_chan_info(struct mt7921_phy *phy, int cmd);
+int mt7921_mcu_set_tx(struct mt7921_dev *dev, struct ieee80211_vif *vif);
+int mt7921_mcu_set_eeprom(struct mt7921_dev *dev);
+int mt7921_mcu_get_eeprom(struct mt7921_dev *dev, u32 offset);
+int mt7921_mcu_set_mac(struct mt7921_dev *dev, int band, bool enable,
+		       bool hdr_trans);
+int mt7921_mcu_set_rts_thresh(struct mt7921_phy *phy, u32 val);
+int mt7921_mcu_fw_log_2_host(struct mt7921_dev *dev, u8 ctrl);
+void mt7921_mcu_rx_event(struct mt7921_dev *dev, struct sk_buff *skb);
+void mt7921_mcu_exit(struct mt7921_dev *dev);
+
+static inline bool is_mt7921(struct mt76_dev *dev)
+{
+	return mt76_chip(dev) == 0x7961;
+}
+
+static inline void mt7921_irq_enable(struct mt7921_dev *dev, u32 mask)
+{
+	mt76_set_irq_mask(&dev->mt76, 0, 0, mask);
+
+	tasklet_schedule(&dev->irq_tasklet);
+}
+
+static inline u32
+mt7921_reg_map_l1(struct mt7921_dev *dev, u32 addr)
+{
+	u32 offset = FIELD_GET(MT_HIF_REMAP_L1_OFFSET, addr);
+	u32 base = FIELD_GET(MT_HIF_REMAP_L1_BASE, addr);
+
+	mt76_rmw_field(dev, MT_HIF_REMAP_L1, MT_HIF_REMAP_L1_MASK, base);
+	/* use read to push write */
+	mt76_rr(dev, MT_HIF_REMAP_L1);
+
+	return MT_HIF_REMAP_BASE_L1 + offset;
+}
+
+static inline u32
+mt7921_l1_rr(struct mt7921_dev *dev, u32 addr)
+{
+	return mt76_rr(dev, mt7921_reg_map_l1(dev, addr));
+}
+
+static inline void
+mt7921_l1_wr(struct mt7921_dev *dev, u32 addr, u32 val)
+{
+	mt76_wr(dev, mt7921_reg_map_l1(dev, addr), val);
+}
+
+static inline u32
+mt7921_l1_rmw(struct mt7921_dev *dev, u32 addr, u32 mask, u32 val)
+{
+	val |= mt7921_l1_rr(dev, addr) & ~mask;
+	mt7921_l1_wr(dev, addr, val);
+
+	return val;
+}
+
+#define mt7921_l1_set(dev, addr, val)	mt7921_l1_rmw(dev, addr, 0, val)
+#define mt7921_l1_clear(dev, addr, val)	mt7921_l1_rmw(dev, addr, val, 0)
+
+bool mt7921_mac_wtbl_update(struct mt7921_dev *dev, int idx, u32 mask);
+void mt7921_mac_reset_counters(struct mt7921_phy *phy);
+void mt7921_mac_write_txwi(struct mt7921_dev *dev, __le32 *txwi,
+			   struct sk_buff *skb, struct mt76_wcid *wcid,
+			   struct ieee80211_key_conf *key, bool beacon);
+void mt7921_mac_set_timing(struct mt7921_phy *phy);
+int mt7921_mac_fill_rx(struct mt7921_dev *dev, struct sk_buff *skb);
+void mt7921_mac_fill_rx_vector(struct mt7921_dev *dev, struct sk_buff *skb);
+void mt7921_mac_tx_free(struct mt7921_dev *dev, struct sk_buff *skb);
+int mt7921_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
+		       struct ieee80211_sta *sta);
+void mt7921_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
+			   struct ieee80211_sta *sta);
+void mt7921_mac_work(struct work_struct *work);
+void mt7921_mac_reset_work(struct work_struct *work);
+int mt7921_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
+			  enum mt76_txq_id qid, struct mt76_wcid *wcid,
+			  struct ieee80211_sta *sta,
+			  struct mt76_tx_info *tx_info);
+void mt7921_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue_entry *e);
+int mt7921_init_tx_queues(struct mt7921_phy *phy, int idx, int n_desc);
+void mt7921_tx_token_put(struct mt7921_dev *dev);
+void mt7921_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
+			 struct sk_buff *skb);
+void mt7921_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta, bool ps);
+void mt7921_stats_work(struct work_struct *work);
+void mt7921_txp_skb_unmap(struct mt76_dev *dev,
+			  struct mt76_txwi_cache *txwi);
+void mt7921_set_stream_he_caps(struct mt7921_phy *phy);
+void mt7921_update_channel(struct mt76_dev *mdev);
+int mt7921_init_debugfs(struct mt7921_dev *dev);
+int
+mt7921_mcu_uni_add_dev(struct mt7921_dev *dev,
+		       struct ieee80211_vif *vif, bool enable);
+int
+mt7921_mcu_uni_add_bss(struct mt7921_phy *phy, struct ieee80211_vif *vif,
+		       bool enable);
+
+int
+mt7921_mcu_uni_add_sta(struct mt7921_dev *dev, struct ieee80211_vif *vif,
+		       struct ieee80211_sta *sta, bool enable);
+int mt7921_mcu_uni_tx_ba(struct mt7921_dev *dev,
+			 struct ieee80211_ampdu_params *params,
+			 bool enable);
+int mt7921_mcu_uni_rx_ba(struct mt7921_dev *dev,
+			 struct ieee80211_ampdu_params *params,
+			 bool enable);
+void mt7921_scan_work(struct work_struct *work);
+int mt7921_mcu_set_channel_domain(struct mt7921_phy *phy);
+int mt7921_mcu_hw_scan(struct mt7921_phy *phy, struct ieee80211_vif *vif,
+		       struct ieee80211_scan_request *scan_req);
+int mt7921_mcu_cancel_hw_scan(struct mt7921_phy *phy,
+			      struct ieee80211_vif *vif);
+u32 mt7921_get_wtbl_info(struct mt7921_dev *dev, u16 wlan_idx);
+#endif