Adding upstream version 5.10.209.upstream/5.10.209upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1080 insertions, 0 deletions

diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h
new file mode 100644
index 000000000..16e65020a
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt76.h
@@ -0,0 +1,1080 @@
+/* SPDX-License-Identifier: ISC */
+/*
+ * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
+ */
+
+#ifndef __MT76_H
+#define __MT76_H
+
+#include <linux/kernel.h>
+#include <linux/io.h>
+#include <linux/spinlock.h>
+#include <linux/skbuff.h>
+#include <linux/leds.h>
+#include <linux/usb.h>
+#include <linux/average.h>
+#include <net/mac80211.h>
+#include "util.h"
+#include "testmode.h"
+
+#define MT_MCU_RING_SIZE    32
+#define MT_RX_BUF_SIZE      2048
+#define MT_SKB_HEAD_LEN     128
+
+#define MT_MAX_NON_AQL_PKT  16
+#define MT_TXQ_FREE_THR     32
+
+struct mt76_dev;
+struct mt76_phy;
+struct mt76_wcid;
+
+struct mt76_reg_pair {
+	u32 reg;
+	u32 value;
+};
+
+enum mt76_bus_type {
+	MT76_BUS_MMIO,
+	MT76_BUS_USB,
+	MT76_BUS_SDIO,
+};
+
+struct mt76_bus_ops {
+	u32 (*rr)(struct mt76_dev *dev, u32 offset);
+	void (*wr)(struct mt76_dev *dev, u32 offset, u32 val);
+	u32 (*rmw)(struct mt76_dev *dev, u32 offset, u32 mask, u32 val);
+	void (*write_copy)(struct mt76_dev *dev, u32 offset, const void *data,
+			   int len);
+	void (*read_copy)(struct mt76_dev *dev, u32 offset, void *data,
+			  int len);
+	int (*wr_rp)(struct mt76_dev *dev, u32 base,
+		     const struct mt76_reg_pair *rp, int len);
+	int (*rd_rp)(struct mt76_dev *dev, u32 base,
+		     struct mt76_reg_pair *rp, int len);
+	enum mt76_bus_type type;
+};
+
+#define mt76_is_usb(dev) ((dev)->bus->type == MT76_BUS_USB)
+#define mt76_is_mmio(dev) ((dev)->bus->type == MT76_BUS_MMIO)
+#define mt76_is_sdio(dev) ((dev)->bus->type == MT76_BUS_SDIO)
+
+enum mt76_txq_id {
+	MT_TXQ_VO = IEEE80211_AC_VO,
+	MT_TXQ_VI = IEEE80211_AC_VI,
+	MT_TXQ_BE = IEEE80211_AC_BE,
+	MT_TXQ_BK = IEEE80211_AC_BK,
+	MT_TXQ_PSD,
+	MT_TXQ_MCU,
+	MT_TXQ_MCU_WA,
+	MT_TXQ_BEACON,
+	MT_TXQ_CAB,
+	MT_TXQ_FWDL,
+	__MT_TXQ_MAX
+};
+
+enum mt76_rxq_id {
+	MT_RXQ_MAIN,
+	MT_RXQ_MCU,
+	MT_RXQ_MCU_WA,
+	__MT_RXQ_MAX
+};
+
+struct mt76_queue_buf {
+	dma_addr_t addr;
+	u16 len;
+	bool skip_unmap;
+};
+
+struct mt76_tx_info {
+	struct mt76_queue_buf buf[32];
+	struct sk_buff *skb;
+	int nbuf;
+	u32 info;
+};
+
+struct mt76_queue_entry {
+	union {
+		void *buf;
+		struct sk_buff *skb;
+	};
+	union {
+		struct mt76_txwi_cache *txwi;
+		struct urb *urb;
+		int buf_sz;
+	};
+	u32 dma_addr[2];
+	u16 dma_len[2];
+	u16 wcid;
+	bool skip_buf0:1;
+	bool skip_buf1:1;
+	bool done:1;
+};
+
+struct mt76_queue_regs {
+	u32 desc_base;
+	u32 ring_size;
+	u32 cpu_idx;
+	u32 dma_idx;
+} __packed __aligned(4);
+
+struct mt76_queue {
+	struct mt76_queue_regs __iomem *regs;
+
+	spinlock_t lock;
+	struct mt76_queue_entry *entry;
+	struct mt76_desc *desc;
+
+	u16 first;
+	u16 head;
+	u16 tail;
+	int ndesc;
+	int queued;
+	int buf_size;
+	bool stopped;
+
+	u8 buf_offset;
+	u8 hw_idx;
+
+	dma_addr_t desc_dma;
+	struct sk_buff *rx_head;
+	struct page_frag_cache rx_page;
+};
+
+struct mt76_mcu_ops {
+	u32 headroom;
+	u32 tailroom;
+
+	int (*mcu_send_msg)(struct mt76_dev *dev, int cmd, const void *data,
+			    int len, bool wait_resp);
+	int (*mcu_skb_send_msg)(struct mt76_dev *dev, struct sk_buff *skb,
+				int cmd, bool wait_resp);
+	u32 (*mcu_rr)(struct mt76_dev *dev, u32 offset);
+	void (*mcu_wr)(struct mt76_dev *dev, u32 offset, u32 val);
+	int (*mcu_wr_rp)(struct mt76_dev *dev, u32 base,
+			 const struct mt76_reg_pair *rp, int len);
+	int (*mcu_rd_rp)(struct mt76_dev *dev, u32 base,
+			 struct mt76_reg_pair *rp, int len);
+	int (*mcu_restart)(struct mt76_dev *dev);
+};
+
+struct mt76_queue_ops {
+	int (*init)(struct mt76_dev *dev);
+
+	int (*alloc)(struct mt76_dev *dev, struct mt76_queue *q,
+		     int idx, int n_desc, int bufsize,
+		     u32 ring_base);
+
+	int (*tx_queue_skb)(struct mt76_dev *dev, enum mt76_txq_id qid,
+			    struct sk_buff *skb, struct mt76_wcid *wcid,
+			    struct ieee80211_sta *sta);
+
+	int (*tx_queue_skb_raw)(struct mt76_dev *dev, enum mt76_txq_id qid,
+				struct sk_buff *skb, u32 tx_info);
+
+	void *(*dequeue)(struct mt76_dev *dev, struct mt76_queue *q, bool flush,
+			 int *len, u32 *info, bool *more);
+
+	void (*rx_reset)(struct mt76_dev *dev, enum mt76_rxq_id qid);
+
+	void (*tx_cleanup)(struct mt76_dev *dev, enum mt76_txq_id qid,
+			   bool flush);
+
+	void (*kick)(struct mt76_dev *dev, struct mt76_queue *q);
+};
+
+enum mt76_wcid_flags {
+	MT_WCID_FLAG_CHECK_PS,
+	MT_WCID_FLAG_PS,
+};
+
+#define MT76_N_WCIDS 288
+
+/* stored in ieee80211_tx_info::hw_queue */
+#define MT_TX_HW_QUEUE_EXT_PHY		BIT(3)
+
+DECLARE_EWMA(signal, 10, 8);
+
+#define MT_WCID_TX_INFO_RATE		GENMASK(15, 0)
+#define MT_WCID_TX_INFO_NSS		GENMASK(17, 16)
+#define MT_WCID_TX_INFO_TXPWR_ADJ	GENMASK(25, 18)
+#define MT_WCID_TX_INFO_SET		BIT(31)
+
+struct mt76_wcid {
+	struct mt76_rx_tid __rcu *aggr[IEEE80211_NUM_TIDS];
+
+	atomic_t non_aql_packets;
+	unsigned long flags;
+
+	struct ewma_signal rssi;
+	int inactive_count;
+
+	u16 idx;
+	u8 hw_key_idx;
+
+	u8 sta:1;
+	u8 ext_phy:1;
+	u8 amsdu:1;
+
+	u8 rx_check_pn;
+	u8 rx_key_pn[IEEE80211_NUM_TIDS][6];
+	u16 cipher;
+
+	u32 tx_info;
+	bool sw_iv;
+
+	u8 packet_id;
+};
+
+struct mt76_txq {
+	struct mt76_wcid *wcid;
+
+	u16 agg_ssn;
+	bool send_bar;
+	bool aggr;
+};
+
+struct mt76_txwi_cache {
+	struct list_head list;
+	dma_addr_t dma_addr;
+
+	struct sk_buff *skb;
+};
+
+struct mt76_rx_tid {
+	struct rcu_head rcu_head;
+
+	struct mt76_dev *dev;
+
+	spinlock_t lock;
+	struct delayed_work reorder_work;
+
+	u16 head;
+	u16 size;
+	u16 nframes;
+
+	u8 num;
+
+	u8 started:1, stopped:1, timer_pending:1;
+
+	struct sk_buff *reorder_buf[];
+};
+
+#define MT_TX_CB_DMA_DONE		BIT(0)
+#define MT_TX_CB_TXS_DONE		BIT(1)
+#define MT_TX_CB_TXS_FAILED		BIT(2)
+
+#define MT_PACKET_ID_MASK		GENMASK(6, 0)
+#define MT_PACKET_ID_NO_ACK		0
+#define MT_PACKET_ID_NO_SKB		1
+#define MT_PACKET_ID_FIRST		2
+#define MT_PACKET_ID_HAS_RATE		BIT(7)
+
+#define MT_TX_STATUS_SKB_TIMEOUT	HZ
+
+struct mt76_tx_cb {
+	unsigned long jiffies;
+	u16 wcid;
+	u8 pktid;
+	u8 flags;
+};
+
+enum {
+	MT76_STATE_INITIALIZED,
+	MT76_STATE_RUNNING,
+	MT76_STATE_MCU_RUNNING,
+	MT76_SCANNING,
+	MT76_HW_SCANNING,
+	MT76_HW_SCHED_SCANNING,
+	MT76_RESTART,
+	MT76_RESET,
+	MT76_MCU_RESET,
+	MT76_REMOVED,
+	MT76_READING_STATS,
+	MT76_STATE_POWER_OFF,
+	MT76_STATE_SUSPEND,
+	MT76_STATE_ROC,
+	MT76_STATE_PM,
+};
+
+struct mt76_hw_cap {
+	bool has_2ghz;
+	bool has_5ghz;
+};
+
+#define MT_DRV_TXWI_NO_FREE		BIT(0)
+#define MT_DRV_TX_ALIGNED4_SKBS		BIT(1)
+#define MT_DRV_SW_RX_AIRTIME		BIT(2)
+#define MT_DRV_RX_DMA_HDR		BIT(3)
+#define MT_DRV_HW_MGMT_TXQ		BIT(4)
+#define MT_DRV_AMSDU_OFFLOAD		BIT(5)
+
+struct mt76_driver_ops {
+	u32 drv_flags;
+	u32 survey_flags;
+	u16 txwi_size;
+
+	void (*update_survey)(struct mt76_dev *dev);
+
+	int (*tx_prepare_skb)(struct mt76_dev *dev, void *txwi_ptr,
+			      enum mt76_txq_id qid, struct mt76_wcid *wcid,
+			      struct ieee80211_sta *sta,
+			      struct mt76_tx_info *tx_info);
+
+	void (*tx_complete_skb)(struct mt76_dev *dev,
+				struct mt76_queue_entry *e);
+
+	bool (*tx_status_data)(struct mt76_dev *dev, u8 *update);
+
+	void (*rx_skb)(struct mt76_dev *dev, enum mt76_rxq_id q,
+		       struct sk_buff *skb);
+
+	void (*rx_poll_complete)(struct mt76_dev *dev, enum mt76_rxq_id q);
+
+	void (*sta_ps)(struct mt76_dev *dev, struct ieee80211_sta *sta,
+		       bool ps);
+
+	int (*sta_add)(struct mt76_dev *dev, struct ieee80211_vif *vif,
+		       struct ieee80211_sta *sta);
+
+	void (*sta_assoc)(struct mt76_dev *dev, struct ieee80211_vif *vif,
+			  struct ieee80211_sta *sta);
+
+	void (*sta_remove)(struct mt76_dev *dev, struct ieee80211_vif *vif,
+			   struct ieee80211_sta *sta);
+};
+
+struct mt76_channel_state {
+	u64 cc_active;
+	u64 cc_busy;
+	u64 cc_rx;
+	u64 cc_bss_rx;
+	u64 cc_tx;
+
+	s8 noise;
+};
+
+struct mt76_sband {
+	struct ieee80211_supported_band sband;
+	struct mt76_channel_state *chan;
+};
+
+struct mt76_rate_power {
+	union {
+		struct {
+			s8 cck[4];
+			s8 ofdm[8];
+			s8 stbc[10];
+			s8 ht[16];
+			s8 vht[10];
+		};
+		s8 all[48];
+	};
+};
+
+/* addr req mask */
+#define MT_VEND_TYPE_EEPROM	BIT(31)
+#define MT_VEND_TYPE_CFG	BIT(30)
+#define MT_VEND_TYPE_MASK	(MT_VEND_TYPE_EEPROM | MT_VEND_TYPE_CFG)
+
+#define MT_VEND_ADDR(type, n)	(MT_VEND_TYPE_##type | (n))
+enum mt_vendor_req {
+	MT_VEND_DEV_MODE =	0x1,
+	MT_VEND_WRITE =		0x2,
+	MT_VEND_POWER_ON =	0x4,
+	MT_VEND_MULTI_WRITE =	0x6,
+	MT_VEND_MULTI_READ =	0x7,
+	MT_VEND_READ_EEPROM =	0x9,
+	MT_VEND_WRITE_FCE =	0x42,
+	MT_VEND_WRITE_CFG =	0x46,
+	MT_VEND_READ_CFG =	0x47,
+	MT_VEND_READ_EXT =	0x63,
+	MT_VEND_WRITE_EXT =	0x66,
+	MT_VEND_FEATURE_SET =	0x91,
+};
+
+enum mt76u_in_ep {
+	MT_EP_IN_PKT_RX,
+	MT_EP_IN_CMD_RESP,
+	__MT_EP_IN_MAX,
+};
+
+enum mt76u_out_ep {
+	MT_EP_OUT_INBAND_CMD,
+	MT_EP_OUT_AC_BE,
+	MT_EP_OUT_AC_BK,
+	MT_EP_OUT_AC_VI,
+	MT_EP_OUT_AC_VO,
+	MT_EP_OUT_HCCA,
+	__MT_EP_OUT_MAX,
+};
+
+struct mt76_mcu {
+	struct mutex mutex;
+	u32 msg_seq;
+
+	struct sk_buff_head res_q;
+	wait_queue_head_t wait;
+};
+
+#define MT_TX_SG_MAX_SIZE	8
+#define MT_RX_SG_MAX_SIZE	4
+#define MT_NUM_TX_ENTRIES	256
+#define MT_NUM_RX_ENTRIES	128
+#define MCU_RESP_URB_SIZE	1024
+struct mt76_usb {
+	struct mutex usb_ctrl_mtx;
+	u8 *data;
+	u16 data_len;
+
+	struct tasklet_struct rx_tasklet;
+	struct work_struct stat_work;
+
+	u8 out_ep[__MT_EP_OUT_MAX];
+	u8 in_ep[__MT_EP_IN_MAX];
+	bool sg_en;
+
+	struct mt76u_mcu {
+		u8 *data;
+		/* multiple reads */
+		struct mt76_reg_pair *rp;
+		int rp_len;
+		u32 base;
+		bool burst;
+	} mcu;
+};
+
+#define MT76S_XMIT_BUF_SZ	(16 * PAGE_SIZE)
+struct mt76_sdio {
+	struct workqueue_struct *txrx_wq;
+	struct {
+		struct work_struct xmit_work;
+		struct work_struct status_work;
+	} tx;
+	struct {
+		struct work_struct recv_work;
+		struct work_struct net_work;
+	} rx;
+
+	struct work_struct stat_work;
+
+	u8 *xmit_buf[MT_TXQ_MCU_WA];
+
+	struct sdio_func *func;
+	void *intr_data;
+
+	struct {
+		struct mutex lock;
+		int pse_data_quota;
+		int ple_data_quota;
+		int pse_mcu_quota;
+		int deficit;
+	} sched;
+};
+
+struct mt76_mmio {
+	void __iomem *regs;
+	spinlock_t irq_lock;
+	u32 irqmask;
+};
+
+struct mt76_rx_status {
+	union {
+		struct mt76_wcid *wcid;
+		u16 wcid_idx;
+	};
+
+	unsigned long reorder_time;
+
+	u32 ampdu_ref;
+
+	u8 iv[6];
+
+	u8 ext_phy:1;
+	u8 aggr:1;
+	u8 tid;
+	u16 seqno;
+
+	u16 freq;
+	u32 flag;
+	u8 enc_flags;
+	u8 encoding:2, bw:3, he_ru:3;
+	u8 he_gi:2, he_dcm:1;
+	u8 rate_idx;
+	u8 nss;
+	u8 band;
+	s8 signal;
+	u8 chains;
+	s8 chain_signal[IEEE80211_MAX_CHAINS];
+};
+
+struct mt76_testmode_ops {
+	int (*set_state)(struct mt76_dev *dev, enum mt76_testmode_state state);
+	int (*set_params)(struct mt76_dev *dev, struct nlattr **tb,
+			  enum mt76_testmode_state new_state);
+	int (*dump_stats)(struct mt76_dev *dev, struct sk_buff *msg);
+};
+
+struct mt76_testmode_data {
+	enum mt76_testmode_state state;
+
+	u32 param_set[DIV_ROUND_UP(NUM_MT76_TM_ATTRS, 32)];
+	struct sk_buff *tx_skb;
+
+	u32 tx_count;
+	u16 tx_msdu_len;
+
+	u8 tx_rate_mode;
+	u8 tx_rate_idx;
+	u8 tx_rate_nss;
+	u8 tx_rate_sgi;
+	u8 tx_rate_ldpc;
+
+	u8 tx_antenna_mask;
+
+	u32 freq_offset;
+
+	u8 tx_power[4];
+	u8 tx_power_control;
+
+	const char *mtd_name;
+	u32 mtd_offset;
+
+	u32 tx_pending;
+	u32 tx_queued;
+	u32 tx_done;
+	struct {
+		u64 packets[__MT_RXQ_MAX];
+		u64 fcs_error[__MT_RXQ_MAX];
+	} rx_stats;
+};
+
+struct mt76_phy {
+	struct ieee80211_hw *hw;
+	struct mt76_dev *dev;
+	void *priv;
+
+	unsigned long state;
+
+	struct cfg80211_chan_def chandef;
+	struct ieee80211_channel *main_chan;
+
+	struct mt76_channel_state *chan_state;
+	ktime_t survey_time;
+
+	struct mt76_hw_cap cap;
+	struct mt76_sband sband_2g;
+	struct mt76_sband sband_5g;
+
+	u32 vif_mask;
+
+	int txpower_cur;
+	u8 antenna_mask;
+};
+
+struct mt76_dev {
+	struct mt76_phy phy; /* must be first */
+
+	struct mt76_phy *phy2;
+
+	struct ieee80211_hw *hw;
+
+	spinlock_t lock;
+	spinlock_t cc_lock;
+
+	u32 cur_cc_bss_rx;
+
+	struct mt76_rx_status rx_ampdu_status;
+	u32 rx_ampdu_len;
+	u32 rx_ampdu_ref;
+
+	struct mutex mutex;
+
+	const struct mt76_bus_ops *bus;
+	const struct mt76_driver_ops *drv;
+	const struct mt76_mcu_ops *mcu_ops;
+	struct device *dev;
+
+	struct mt76_mcu mcu;
+
+	struct net_device napi_dev;
+	spinlock_t rx_lock;
+	struct napi_struct napi[__MT_RXQ_MAX];
+	struct sk_buff_head rx_skb[__MT_RXQ_MAX];
+
+	struct list_head txwi_cache;
+	struct mt76_queue *q_tx[2 * __MT_TXQ_MAX];
+	struct mt76_queue q_rx[__MT_RXQ_MAX];
+	const struct mt76_queue_ops *queue_ops;
+	int tx_dma_idx[4];
+
+	struct mt76_worker tx_worker;
+	struct napi_struct tx_napi;
+	struct delayed_work mac_work;
+
+	wait_queue_head_t tx_wait;
+	struct sk_buff_head status_list;
+
+	u32 wcid_mask[DIV_ROUND_UP(MT76_N_WCIDS, 32)];
+	u32 wcid_phy_mask[DIV_ROUND_UP(MT76_N_WCIDS, 32)];
+
+	struct mt76_wcid global_wcid;
+	struct mt76_wcid __rcu *wcid[MT76_N_WCIDS];
+
+	u8 macaddr[ETH_ALEN];
+	u32 rev;
+
+	u32 aggr_stats[32];
+
+	struct tasklet_struct pre_tbtt_tasklet;
+	int beacon_int;
+	u8 beacon_mask;
+
+	struct debugfs_blob_wrapper eeprom;
+	struct debugfs_blob_wrapper otp;
+
+	struct mt76_rate_power rate_power;
+
+	enum nl80211_dfs_regions region;
+
+	u32 debugfs_reg;
+
+	struct led_classdev led_cdev;
+	char led_name[32];
+	bool led_al;
+	u8 led_pin;
+
+	u8 csa_complete;
+
+	u32 rxfilter;
+
+#ifdef CONFIG_NL80211_TESTMODE
+	const struct mt76_testmode_ops *test_ops;
+	struct mt76_testmode_data test;
+#endif
+
+	struct workqueue_struct *wq;
+
+	union {
+		struct mt76_mmio mmio;
+		struct mt76_usb usb;
+		struct mt76_sdio sdio;
+	};
+};
+
+enum mt76_phy_type {
+	MT_PHY_TYPE_CCK,
+	MT_PHY_TYPE_OFDM,
+	MT_PHY_TYPE_HT,
+	MT_PHY_TYPE_HT_GF,
+	MT_PHY_TYPE_VHT,
+	MT_PHY_TYPE_HE_SU = 8,
+	MT_PHY_TYPE_HE_EXT_SU,
+	MT_PHY_TYPE_HE_TB,
+	MT_PHY_TYPE_HE_MU,
+};
+
+#define __mt76_rr(dev, ...)	(dev)->bus->rr((dev), __VA_ARGS__)
+#define __mt76_wr(dev, ...)	(dev)->bus->wr((dev), __VA_ARGS__)
+#define __mt76_rmw(dev, ...)	(dev)->bus->rmw((dev), __VA_ARGS__)
+#define __mt76_wr_copy(dev, ...)	(dev)->bus->write_copy((dev), __VA_ARGS__)
+#define __mt76_rr_copy(dev, ...)	(dev)->bus->read_copy((dev), __VA_ARGS__)
+
+#define __mt76_set(dev, offset, val)	__mt76_rmw(dev, offset, 0, val)
+#define __mt76_clear(dev, offset, val)	__mt76_rmw(dev, offset, val, 0)
+
+#define mt76_rr(dev, ...)	(dev)->mt76.bus->rr(&((dev)->mt76), __VA_ARGS__)
+#define mt76_wr(dev, ...)	(dev)->mt76.bus->wr(&((dev)->mt76), __VA_ARGS__)
+#define mt76_rmw(dev, ...)	(dev)->mt76.bus->rmw(&((dev)->mt76), __VA_ARGS__)
+#define mt76_wr_copy(dev, ...)	(dev)->mt76.bus->write_copy(&((dev)->mt76), __VA_ARGS__)
+#define mt76_rr_copy(dev, ...)	(dev)->mt76.bus->read_copy(&((dev)->mt76), __VA_ARGS__)
+#define mt76_wr_rp(dev, ...)	(dev)->mt76.bus->wr_rp(&((dev)->mt76), __VA_ARGS__)
+#define mt76_rd_rp(dev, ...)	(dev)->mt76.bus->rd_rp(&((dev)->mt76), __VA_ARGS__)
+
+#define mt76_mcu_send_msg(dev, ...)	(dev)->mt76.mcu_ops->mcu_send_msg(&((dev)->mt76), __VA_ARGS__)
+
+#define __mt76_mcu_send_msg(dev, ...)	(dev)->mcu_ops->mcu_send_msg((dev), __VA_ARGS__)
+#define __mt76_mcu_skb_send_msg(dev, ...)	(dev)->mcu_ops->mcu_skb_send_msg((dev), __VA_ARGS__)
+#define mt76_mcu_restart(dev, ...)	(dev)->mt76.mcu_ops->mcu_restart(&((dev)->mt76))
+#define __mt76_mcu_restart(dev, ...)	(dev)->mcu_ops->mcu_restart((dev))
+
+#define mt76_set(dev, offset, val)	mt76_rmw(dev, offset, 0, val)
+#define mt76_clear(dev, offset, val)	mt76_rmw(dev, offset, val, 0)
+
+#define mt76_get_field(_dev, _reg, _field)		\
+	FIELD_GET(_field, mt76_rr(dev, _reg))
+
+#define mt76_rmw_field(_dev, _reg, _field, _val)	\
+	mt76_rmw(_dev, _reg, _field, FIELD_PREP(_field, _val))
+
+#define __mt76_rmw_field(_dev, _reg, _field, _val)	\
+	__mt76_rmw(_dev, _reg, _field, FIELD_PREP(_field, _val))
+
+#define mt76_hw(dev) (dev)->mphy.hw
+
+static inline struct ieee80211_hw *
+mt76_wcid_hw(struct mt76_dev *dev, u16 wcid)
+{
+	if (wcid <= MT76_N_WCIDS &&
+	    mt76_wcid_mask_test(dev->wcid_phy_mask, wcid))
+		return dev->phy2->hw;
+
+	return dev->phy.hw;
+}
+
+bool __mt76_poll(struct mt76_dev *dev, u32 offset, u32 mask, u32 val,
+		 int timeout);
+
+#define mt76_poll(dev, ...) __mt76_poll(&((dev)->mt76), __VA_ARGS__)
+
+bool __mt76_poll_msec(struct mt76_dev *dev, u32 offset, u32 mask, u32 val,
+		      int timeout);
+
+#define mt76_poll_msec(dev, ...) __mt76_poll_msec(&((dev)->mt76), __VA_ARGS__)
+
+void mt76_mmio_init(struct mt76_dev *dev, void __iomem *regs);
+void mt76_pci_disable_aspm(struct pci_dev *pdev);
+
+static inline u16 mt76_chip(struct mt76_dev *dev)
+{
+	return dev->rev >> 16;
+}
+
+static inline u16 mt76_rev(struct mt76_dev *dev)
+{
+	return dev->rev & 0xffff;
+}
+
+#define mt76xx_chip(dev) mt76_chip(&((dev)->mt76))
+#define mt76xx_rev(dev) mt76_rev(&((dev)->mt76))
+
+#define mt76_init_queues(dev)		(dev)->mt76.queue_ops->init(&((dev)->mt76))
+#define mt76_queue_alloc(dev, ...)	(dev)->mt76.queue_ops->alloc(&((dev)->mt76), __VA_ARGS__)
+#define mt76_tx_queue_skb_raw(dev, ...)	(dev)->mt76.queue_ops->tx_queue_skb_raw(&((dev)->mt76), __VA_ARGS__)
+#define mt76_tx_queue_skb(dev, ...)	(dev)->mt76.queue_ops->tx_queue_skb(&((dev)->mt76), __VA_ARGS__)
+#define mt76_queue_rx_reset(dev, ...)	(dev)->mt76.queue_ops->rx_reset(&((dev)->mt76), __VA_ARGS__)
+#define mt76_queue_tx_cleanup(dev, ...)	(dev)->mt76.queue_ops->tx_cleanup(&((dev)->mt76), __VA_ARGS__)
+#define mt76_queue_kick(dev, ...)	(dev)->mt76.queue_ops->kick(&((dev)->mt76), __VA_ARGS__)
+
+#define mt76_for_each_q_rx(dev, i)	\
+	for (i = 0; i < ARRAY_SIZE((dev)->q_rx) && \
+		    (dev)->q_rx[i].ndesc; i++)
+
+struct mt76_dev *mt76_alloc_device(struct device *pdev, unsigned int size,
+				   const struct ieee80211_ops *ops,
+				   const struct mt76_driver_ops *drv_ops);
+int mt76_register_device(struct mt76_dev *dev, bool vht,
+			 struct ieee80211_rate *rates, int n_rates);
+void mt76_unregister_device(struct mt76_dev *dev);
+void mt76_free_device(struct mt76_dev *dev);
+void mt76_unregister_phy(struct mt76_phy *phy);
+
+struct mt76_phy *mt76_alloc_phy(struct mt76_dev *dev, unsigned int size,
+				const struct ieee80211_ops *ops);
+int mt76_register_phy(struct mt76_phy *phy);
+
+struct dentry *mt76_register_debugfs(struct mt76_dev *dev);
+int mt76_queues_read(struct seq_file *s, void *data);
+void mt76_seq_puts_array(struct seq_file *file, const char *str,
+			 s8 *val, int len);
+
+int mt76_eeprom_init(struct mt76_dev *dev, int len);
+void mt76_eeprom_override(struct mt76_dev *dev);
+
+static inline struct mt76_phy *
+mt76_dev_phy(struct mt76_dev *dev, bool phy_ext)
+{
+	if (phy_ext && dev->phy2)
+		return dev->phy2;
+	return &dev->phy;
+}
+
+static inline struct ieee80211_hw *
+mt76_phy_hw(struct mt76_dev *dev, bool phy_ext)
+{
+	return mt76_dev_phy(dev, phy_ext)->hw;
+}
+
+static inline u8 *
+mt76_get_txwi_ptr(struct mt76_dev *dev, struct mt76_txwi_cache *t)
+{
+	return (u8 *)t - dev->drv->txwi_size;
+}
+
+/* increment with wrap-around */
+static inline int mt76_incr(int val, int size)
+{
+	return (val + 1) & (size - 1);
+}
+
+/* decrement with wrap-around */
+static inline int mt76_decr(int val, int size)
+{
+	return (val - 1) & (size - 1);
+}
+
+u8 mt76_ac_to_hwq(u8 ac);
+
+static inline struct ieee80211_txq *
+mtxq_to_txq(struct mt76_txq *mtxq)
+{
+	void *ptr = mtxq;
+
+	return container_of(ptr, struct ieee80211_txq, drv_priv);
+}
+
+static inline struct ieee80211_sta *
+wcid_to_sta(struct mt76_wcid *wcid)
+{
+	void *ptr = wcid;
+
+	if (!wcid || !wcid->sta)
+		return NULL;
+
+	return container_of(ptr, struct ieee80211_sta, drv_priv);
+}
+
+static inline struct mt76_tx_cb *mt76_tx_skb_cb(struct sk_buff *skb)
+{
+	BUILD_BUG_ON(sizeof(struct mt76_tx_cb) >
+		     sizeof(IEEE80211_SKB_CB(skb)->status.status_driver_data));
+	return ((void *)IEEE80211_SKB_CB(skb)->status.status_driver_data);
+}
+
+static inline void *mt76_skb_get_hdr(struct sk_buff *skb)
+{
+	struct mt76_rx_status mstat;
+	u8 *data = skb->data;
+
+	/* Alignment concerns */
+	BUILD_BUG_ON(sizeof(struct ieee80211_radiotap_he) % 4);
+	BUILD_BUG_ON(sizeof(struct ieee80211_radiotap_he_mu) % 4);
+
+	mstat = *((struct mt76_rx_status *)skb->cb);
+
+	if (mstat.flag & RX_FLAG_RADIOTAP_HE)
+		data += sizeof(struct ieee80211_radiotap_he);
+	if (mstat.flag & RX_FLAG_RADIOTAP_HE_MU)
+		data += sizeof(struct ieee80211_radiotap_he_mu);
+
+	return data;
+}
+
+static inline void mt76_insert_hdr_pad(struct sk_buff *skb)
+{
+	int len = ieee80211_get_hdrlen_from_skb(skb);
+
+	if (len % 4 == 0)
+		return;
+
+	skb_push(skb, 2);
+	memmove(skb->data, skb->data + 2, len);
+
+	skb->data[len] = 0;
+	skb->data[len + 1] = 0;
+}
+
+static inline bool mt76_is_skb_pktid(u8 pktid)
+{
+	if (pktid & MT_PACKET_ID_HAS_RATE)
+		return false;
+
+	return pktid >= MT_PACKET_ID_FIRST;
+}
+
+static inline u8 mt76_tx_power_nss_delta(u8 nss)
+{
+	static const u8 nss_delta[4] = { 0, 6, 9, 12 };
+	u8 idx = nss - 1;
+
+	return (idx < ARRAY_SIZE(nss_delta)) ? nss_delta[idx] : 0;
+}
+
+static inline bool mt76_testmode_enabled(struct mt76_dev *dev)
+{
+#ifdef CONFIG_NL80211_TESTMODE
+	return dev->test.state != MT76_TM_STATE_OFF;
+#else
+	return false;
+#endif
+}
+
+void mt76_rx(struct mt76_dev *dev, enum mt76_rxq_id q, struct sk_buff *skb);
+void mt76_tx(struct mt76_phy *dev, struct ieee80211_sta *sta,
+	     struct mt76_wcid *wcid, struct sk_buff *skb);
+void mt76_wake_tx_queue(struct ieee80211_hw *hw, struct ieee80211_txq *txq);
+void mt76_stop_tx_queues(struct mt76_dev *dev, struct ieee80211_sta *sta,
+			 bool send_bar);
+void mt76_tx_check_agg_ssn(struct ieee80211_sta *sta, struct sk_buff *skb);
+void mt76_txq_schedule(struct mt76_phy *phy, enum mt76_txq_id qid);
+void mt76_txq_schedule_all(struct mt76_phy *phy);
+void mt76_tx_worker(struct mt76_worker *w);
+void mt76_release_buffered_frames(struct ieee80211_hw *hw,
+				  struct ieee80211_sta *sta,
+				  u16 tids, int nframes,
+				  enum ieee80211_frame_release_type reason,
+				  bool more_data);
+bool mt76_has_tx_pending(struct mt76_phy *phy);
+void mt76_set_channel(struct mt76_phy *phy);
+void mt76_update_survey(struct mt76_dev *dev);
+void mt76_update_survey_active_time(struct mt76_phy *phy, ktime_t time);
+int mt76_get_survey(struct ieee80211_hw *hw, int idx,
+		    struct survey_info *survey);
+void mt76_set_stream_caps(struct mt76_phy *phy, bool vht);
+
+int mt76_rx_aggr_start(struct mt76_dev *dev, struct mt76_wcid *wcid, u8 tid,
+		       u16 ssn, u16 size);
+void mt76_rx_aggr_stop(struct mt76_dev *dev, struct mt76_wcid *wcid, u8 tid);
+
+void mt76_wcid_key_setup(struct mt76_dev *dev, struct mt76_wcid *wcid,
+			 struct ieee80211_key_conf *key);
+
+void mt76_tx_status_lock(struct mt76_dev *dev, struct sk_buff_head *list)
+			 __acquires(&dev->status_list.lock);
+void mt76_tx_status_unlock(struct mt76_dev *dev, struct sk_buff_head *list)
+			   __releases(&dev->status_list.lock);
+
+int mt76_tx_status_skb_add(struct mt76_dev *dev, struct mt76_wcid *wcid,
+			   struct sk_buff *skb);
+struct sk_buff *mt76_tx_status_skb_get(struct mt76_dev *dev,
+				       struct mt76_wcid *wcid, int pktid,
+				       struct sk_buff_head *list);
+void mt76_tx_status_skb_done(struct mt76_dev *dev, struct sk_buff *skb,
+			     struct sk_buff_head *list);
+void mt76_tx_complete_skb(struct mt76_dev *dev, u16 wcid, struct sk_buff *skb);
+void mt76_tx_status_check(struct mt76_dev *dev, struct mt76_wcid *wcid,
+			  bool flush);
+int mt76_sta_state(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+		   struct ieee80211_sta *sta,
+		   enum ieee80211_sta_state old_state,
+		   enum ieee80211_sta_state new_state);
+void __mt76_sta_remove(struct mt76_dev *dev, struct ieee80211_vif *vif,
+		       struct ieee80211_sta *sta);
+void mt76_sta_pre_rcu_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+			     struct ieee80211_sta *sta);
+
+int mt76_get_min_avg_rssi(struct mt76_dev *dev, bool ext_phy);
+
+int mt76_get_txpower(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+		     int *dbm);
+
+void mt76_csa_check(struct mt76_dev *dev);
+void mt76_csa_finish(struct mt76_dev *dev);
+
+int mt76_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant);
+int mt76_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, bool set);
+void mt76_insert_ccmp_hdr(struct sk_buff *skb, u8 key_id);
+int mt76_get_rate(struct mt76_dev *dev,
+		  struct ieee80211_supported_band *sband,
+		  int idx, bool cck);
+void mt76_sw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+		  const u8 *mac);
+void mt76_sw_scan_complete(struct ieee80211_hw *hw,
+			   struct ieee80211_vif *vif);
+int mt76_testmode_cmd(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+		      void *data, int len);
+int mt76_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *skb,
+		       struct netlink_callback *cb, void *data, int len);
+int mt76_testmode_set_state(struct mt76_dev *dev, enum mt76_testmode_state state);
+
+static inline void mt76_testmode_reset(struct mt76_dev *dev, bool disable)
+{
+#ifdef CONFIG_NL80211_TESTMODE
+	enum mt76_testmode_state state = MT76_TM_STATE_IDLE;
+
+	if (disable || dev->test.state == MT76_TM_STATE_OFF)
+		state = MT76_TM_STATE_OFF;
+
+	mt76_testmode_set_state(dev, state);
+#endif
+}
+
+
+/* internal */
+static inline struct ieee80211_hw *
+mt76_tx_status_get_hw(struct mt76_dev *dev, struct sk_buff *skb)
+{
+	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+	struct ieee80211_hw *hw = dev->phy.hw;
+
+	if ((info->hw_queue & MT_TX_HW_QUEUE_EXT_PHY) && dev->phy2)
+		hw = dev->phy2->hw;
+
+	info->hw_queue &= ~MT_TX_HW_QUEUE_EXT_PHY;
+
+	return hw;
+}
+
+void mt76_put_txwi(struct mt76_dev *dev, struct mt76_txwi_cache *t);
+void mt76_rx_complete(struct mt76_dev *dev, struct sk_buff_head *frames,
+		      struct napi_struct *napi);
+void mt76_rx_poll_complete(struct mt76_dev *dev, enum mt76_rxq_id q,
+			   struct napi_struct *napi);
+void mt76_rx_aggr_reorder(struct sk_buff *skb, struct sk_buff_head *frames);
+void mt76_testmode_tx_pending(struct mt76_dev *dev);
+void mt76_queue_tx_complete(struct mt76_dev *dev, struct mt76_queue *q,
+			    struct mt76_queue_entry *e);
+
+/* usb */
+static inline bool mt76u_urb_error(struct urb *urb)
+{
+	return urb->status &&
+	       urb->status != -ECONNRESET &&
+	       urb->status != -ESHUTDOWN &&
+	       urb->status != -ENOENT;
+}
+
+/* Map hardware queues to usb endpoints */
+static inline u8 q2ep(u8 qid)
+{
+	/* TODO: take management packets to queue 5 */
+	return qid + 1;
+}
+
+static inline int
+mt76u_bulk_msg(struct mt76_dev *dev, void *data, int len, int *actual_len,
+	       int timeout, int ep)
+{
+	struct usb_interface *uintf = to_usb_interface(dev->dev);
+	struct usb_device *udev = interface_to_usbdev(uintf);
+	struct mt76_usb *usb = &dev->usb;
+	unsigned int pipe;
+
+	if (actual_len)
+		pipe = usb_rcvbulkpipe(udev, usb->in_ep[ep]);
+	else
+		pipe = usb_sndbulkpipe(udev, usb->out_ep[ep]);
+
+	return usb_bulk_msg(udev, pipe, data, len, actual_len, timeout);
+}
+
+int mt76_skb_adjust_pad(struct sk_buff *skb, int pad);
+int mt76u_vendor_request(struct mt76_dev *dev, u8 req,
+			 u8 req_type, u16 val, u16 offset,
+			 void *buf, size_t len);
+void mt76u_single_wr(struct mt76_dev *dev, const u8 req,
+		     const u16 offset, const u32 val);
+int mt76u_init(struct mt76_dev *dev, struct usb_interface *intf,
+	       bool ext);
+int mt76u_alloc_mcu_queue(struct mt76_dev *dev);
+int mt76u_alloc_queues(struct mt76_dev *dev);
+void mt76u_stop_tx(struct mt76_dev *dev);
+void mt76u_stop_rx(struct mt76_dev *dev);
+int mt76u_resume_rx(struct mt76_dev *dev);
+void mt76u_queues_deinit(struct mt76_dev *dev);
+
+int mt76s_init(struct mt76_dev *dev, struct sdio_func *func,
+	       const struct mt76_bus_ops *bus_ops);
+int mt76s_alloc_queues(struct mt76_dev *dev);
+void mt76s_stop_txrx(struct mt76_dev *dev);
+void mt76s_deinit(struct mt76_dev *dev);
+
+struct sk_buff *
+mt76_mcu_msg_alloc(struct mt76_dev *dev, const void *data,
+		   int data_len);
+void mt76_mcu_rx_event(struct mt76_dev *dev, struct sk_buff *skb);
+struct sk_buff *mt76_mcu_get_response(struct mt76_dev *dev,
+				      unsigned long expires);
+
+void mt76_set_irq_mask(struct mt76_dev *dev, u32 addr, u32 clear, u32 set);
+
+#endif