drivers/net/wireless/mediatek/mt76/mt76x02.h - third_party/linux - Git at Google


            
            /* SPDX-License-Identifier: BSD-3-Clause-Clear */

            
            /*

            
             * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>

            
             * Copyright (C) 2018 Stanislaw Gruszka <stf_xl@wp.pl>

            
             */


            #ifndef __MT76x02_H

            
            #define __MT76x02_H


            #include <linux/kfifo.h>


            #include "mt76.h"

            
            #include "mt76x02_regs.h"

            
            #include "mt76x02_mac.h"

            
            #include "mt76x02_dfs.h"

            
            #include "mt76x02_dma.h"


            #define MT76x02_TX_RING_SIZE	512

            
            #define MT76x02_PSD_RING_SIZE	128

            
            #define MT76x02_N_WCIDS 128

            
            #define MT_CALIBRATE_INTERVAL	HZ

            
            #define MT_MAC_WORK_INTERVAL	(HZ / 10)


            #define MT_WATCHDOG_TIME	(HZ / 10)

            
            #define MT_TX_HANG_TH		10


            #define MT_MAX_CHAINS		2

            
            struct mt76x02_rx_freq_cal {

            
            	s8 high_gain[MT_MAX_CHAINS];

            
            	s8 rssi_offset[MT_MAX_CHAINS];

            
            	s8 lna_gain;

            
            	u32 mcu_gain;

            
            	s16 temp_offset;

            
            	u8 freq_offset;

            
            };


            struct mt76x02_calibration {

            
            	struct mt76x02_rx_freq_cal rx;


            	u8 agc_gain_init[MT_MAX_CHAINS];

            
            	u8 agc_gain_cur[MT_MAX_CHAINS];


            	u16 false_cca;

            
            	s8 avg_rssi_all;

            
            	s8 agc_gain_adjust;

            
            	s8 agc_lowest_gain;

            
            	s8 low_gain;


            	s8 temp_vco;

            
            	s8 temp;


            	bool init_cal_done;

            
            	bool tssi_cal_done;

            
            	bool tssi_comp_pending;

            
            	bool dpd_cal_done;

            
            	bool channel_cal_done;

            
            	bool gain_init_done;


            	int tssi_target;

            
            	s8 tssi_dc;

            
            };


            struct mt76x02_beacon_ops {

            
            	unsigned int nslots;

            
            	unsigned int slot_size;

            
            	void (*pre_tbtt_enable)(struct mt76x02_dev *dev, bool en);

            
            	void (*beacon_enable)(struct mt76x02_dev *dev, bool en);

            
            };


            #define mt76x02_beacon_enable(dev, enable)	\

            
            	(dev)->beacon_ops->beacon_enable(dev, enable)

            
            #define mt76x02_pre_tbtt_enable(dev, enable)	\

            
            	(dev)->beacon_ops->pre_tbtt_enable(dev, enable)


            struct mt76x02_rate_power {

            
            	union {

            
            		struct {

            
            			s8 cck[4];

            
            			s8 ofdm[8];

            
            			s8 ht[16];

            
            			s8 vht[2];

            
            		};

            
            		s8 all[30];

            
            	};

            
            };


            struct mt76x02_dev {

            
            	union { /* must be first */

            
            		struct mt76_dev mt76;

            
            		struct mt76_phy mphy;

            
            	};


            	struct mac_address macaddr_list[8];


            	struct mutex phy_mutex;


            	u8 txdone_seq;

            
            	DECLARE_KFIFO_PTR(txstatus_fifo, struct mt76x02_tx_status);

            
            	spinlock_t txstatus_fifo_lock;

            
            	u32 tx_airtime;

            
            	u32 ampdu_ref;


            	struct sk_buff *rx_head;


            	struct delayed_work cal_work;

            
            	struct delayed_work wdt_work;


            	struct hrtimer pre_tbtt_timer;

            
            	struct work_struct pre_tbtt_work;


            	const struct mt76x02_beacon_ops *beacon_ops;


            	u8 beacon_data_count;


            	u8 tbtt_count;


            	u32 tx_hang_reset;

            
            	u8 tx_hang_check[4];

            
            	u8 beacon_hang_check;

            
            	u8 mcu_timeout;


            	struct mt76x02_rate_power rate_power;


            	struct mt76x02_calibration cal;


            	int txpower_conf;

            
            	s8 target_power;

            
            	s8 target_power_delta[2];

            
            	bool enable_tpc;


            	bool no_2ghz;


            	s16 coverage_class;

            
            	u8 slottime;


            	struct mt76x02_dfs_pattern_detector dfs_pd;


            	/* edcca monitor */

            
            	unsigned long ed_trigger_timeout;

            
            	bool ed_tx_blocked;

            
            	bool ed_monitor;

            
            	u8 ed_monitor_enabled;

            
            	u8 ed_monitor_learning;

            
            	u8 ed_trigger;

            
            	u8 ed_silent;

            
            	ktime_t ed_time;

            
            };


            extern struct ieee80211_rate mt76x02_rates[12];


            int mt76x02_init_device(struct mt76x02_dev *dev);

            
            void mt76x02_configure_filter(struct ieee80211_hw *hw,

            
            			      unsigned int changed_flags,

            
            			      unsigned int *total_flags, u64 multicast);

            
            int mt76x02_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,

            
            		    struct ieee80211_sta *sta);

            
            void mt76x02_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,

            
            			struct ieee80211_sta *sta);


            void mt76x02_config_mac_addr_list(struct mt76x02_dev *dev);


            int mt76x02_add_interface(struct ieee80211_hw *hw,

            
            			  struct ieee80211_vif *vif);

            
            void mt76x02_remove_interface(struct ieee80211_hw *hw,

            
            			      struct ieee80211_vif *vif);


            int mt76x02_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,

            
            			 struct ieee80211_ampdu_params *params);

            
            int mt76x02_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,

            
            		    struct ieee80211_vif *vif, struct ieee80211_sta *sta,

            
            		    struct ieee80211_key_conf *key);

            
            int mt76x02_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif,

            
            		    unsigned int link_id, u16 queue,

            
            		    const struct ieee80211_tx_queue_params *params);

            
            void mt76x02_sta_rate_tbl_update(struct ieee80211_hw *hw,

            
            				 struct ieee80211_vif *vif,

            
            				 struct ieee80211_sta *sta);

            
            s8 mt76x02_tx_get_max_txpwr_adj(struct mt76x02_dev *dev,

            
            				const struct ieee80211_tx_rate *rate);

            
            s8 mt76x02_tx_get_txpwr_adj(struct mt76x02_dev *dev, s8 txpwr,

            
            			    s8 max_txpwr_adj);

            
            void mt76x02_wdt_work(struct work_struct *work);

            
            void mt76x02_tx_set_txpwr_auto(struct mt76x02_dev *dev, s8 txpwr);

            
            void mt76x02_set_tx_ackto(struct mt76x02_dev *dev);

            
            void mt76x02_set_coverage_class(struct ieee80211_hw *hw,

            
            				int radio_idx, s16 coverage_class);

            
            int mt76x02_set_rts_threshold(struct ieee80211_hw *hw, int radio_idx, u32 val);

            
            void mt76x02_remove_hdr_pad(struct sk_buff *skb, int len);

            
            bool mt76x02_tx_status_data(struct mt76_dev *mdev, u8 *update);

            
            void mt76x02_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,

            
            			  struct sk_buff *skb, u32 *info);

            
            void mt76x02_rx_poll_complete(struct mt76_dev *mdev, enum mt76_rxq_id q);

            
            irqreturn_t mt76x02_irq_handler(int irq, void *dev_instance);

            
            void mt76x02_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control,

            
            		struct sk_buff *skb);

            
            int mt76x02_tx_prepare_skb(struct mt76_dev *mdev, void *txwi,

            
            			   enum mt76_txq_id qid, struct mt76_wcid *wcid,

            
            			   struct ieee80211_sta *sta,

            
            			   struct mt76_tx_info *tx_info);

            
            void mt76x02_sw_scan_complete(struct ieee80211_hw *hw,

            
            			      struct ieee80211_vif *vif);

            
            void mt76x02_sta_ps(struct mt76_dev *dev, struct ieee80211_sta *sta, bool ps);

            
            void mt76x02_bss_info_changed(struct ieee80211_hw *hw,

            
            			      struct ieee80211_vif *vif,

            
            			      struct ieee80211_bss_conf *info, u64 changed);

            
            void mt76x02_reconfig_complete(struct ieee80211_hw *hw,

            
            			       enum ieee80211_reconfig_type reconfig_type);


            struct beacon_bc_data {

            
            	struct mt76x02_dev *dev;

            
            	struct sk_buff_head q;

            
            	struct sk_buff *tail[8];

            
            };


            void mt76x02_init_beacon_config(struct mt76x02_dev *dev);

            
            void mt76x02e_init_beacon_config(struct mt76x02_dev *dev);

            
            void mt76x02_resync_beacon_timer(struct mt76x02_dev *dev);

            
            void mt76x02_update_beacon_iter(void *priv, u8 *mac, struct ieee80211_vif *vif);

            
            void mt76x02_enqueue_buffered_bc(struct mt76x02_dev *dev,

            
            				 struct beacon_bc_data *data,

            
            				 int max_nframes);


            void mt76x02_mac_start(struct mt76x02_dev *dev);


            void mt76x02_init_debugfs(struct mt76x02_dev *dev);


            static inline bool is_mt76x0(struct mt76x02_dev *dev)

            
            {

            
            	return mt76_chip(&dev->mt76) == 0x7610 ||

            
            	       mt76_chip(&dev->mt76) == 0x7630 ||

            
            	       mt76_chip(&dev->mt76) == 0x7650;

            
            }


            static inline bool is_mt76x2(struct mt76x02_dev *dev)

            
            {

            
            	return mt76_chip(&dev->mt76) == 0x7612 ||

            
            	       mt76_chip(&dev->mt76) == 0x7632 ||

            
            	       mt76_chip(&dev->mt76) == 0x7662 ||

            
            	       mt76_chip(&dev->mt76) == 0x7602;

            
            }


            static inline void mt76x02_irq_enable(struct mt76x02_dev *dev, u32 mask)

            
            {

            
            	mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, 0, mask);

            
            }


            static inline void mt76x02_irq_disable(struct mt76x02_dev *dev, u32 mask)

            
            {

            
            	mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, mask, 0);

            
            }


            static inline bool

            
            mt76x02_wait_for_txrx_idle(struct mt76_dev *dev)

            
            {

            
            	return __mt76_poll_msec(dev, MT_MAC_STATUS,

            
            				MT_MAC_STATUS_TX | MT_MAC_STATUS_RX,

            
            				0, 100);

            
            }


            static inline struct mt76x02_sta *

            
            mt76x02_rx_get_sta(struct mt76_dev *dev, u8 idx)

            
            {

            
            	struct mt76_wcid *wcid;


            	wcid = __mt76_wcid_ptr(dev, idx);

            
            	if (!wcid)

            
            		return NULL;


            	return container_of(wcid, struct mt76x02_sta, wcid);

            
            }


            static inline struct mt76_wcid *

            
            mt76x02_rx_get_sta_wcid(struct mt76x02_sta *sta, bool unicast)

            
            {

            
            	if (!sta)

            
            		return NULL;


            	if (unicast)

            
            		return &sta->wcid;

            
            	else

            
            		return &sta->vif->group_wcid;

            
            }


            #endif /* __MT76x02_H */
	/* SPDX-License-Identifier: BSD-3-Clause-Clear */
	/*
	* Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
	* Copyright (C) 2018 Stanislaw Gruszka <stf_xl@wp.pl>
	*/

	#ifndef __MT76x02_H
	#define __MT76x02_H

	#include <linux/kfifo.h>

	#include "mt76.h"
	#include "mt76x02_regs.h"
	#include "mt76x02_mac.h"
	#include "mt76x02_dfs.h"
	#include "mt76x02_dma.h"

	#define MT76x02_TX_RING_SIZE 512
	#define MT76x02_PSD_RING_SIZE 128
	#define MT76x02_N_WCIDS 128
	#define MT_CALIBRATE_INTERVAL HZ
	#define MT_MAC_WORK_INTERVAL (HZ / 10)

	#define MT_WATCHDOG_TIME (HZ / 10)
	#define MT_TX_HANG_TH 10

	#define MT_MAX_CHAINS 2
	struct mt76x02_rx_freq_cal {
	s8 high_gain[MT_MAX_CHAINS];
	s8 rssi_offset[MT_MAX_CHAINS];
	s8 lna_gain;
	u32 mcu_gain;
	s16 temp_offset;
	u8 freq_offset;
	};

	struct mt76x02_calibration {
	struct mt76x02_rx_freq_cal rx;

	u8 agc_gain_init[MT_MAX_CHAINS];
	u8 agc_gain_cur[MT_MAX_CHAINS];

	u16 false_cca;
	s8 avg_rssi_all;
	s8 agc_gain_adjust;
	s8 agc_lowest_gain;
	s8 low_gain;

	s8 temp_vco;
	s8 temp;

	bool init_cal_done;
	bool tssi_cal_done;
	bool tssi_comp_pending;
	bool dpd_cal_done;
	bool channel_cal_done;
	bool gain_init_done;

	int tssi_target;
	s8 tssi_dc;
	};

	struct mt76x02_beacon_ops {
	unsigned int nslots;
	unsigned int slot_size;
	void (pre_tbtt_enable)(struct mt76x02_dev dev, bool en);
	void (beacon_enable)(struct mt76x02_dev dev, bool en);
	};

	#define mt76x02_beacon_enable(dev, enable) \
	(dev)->beacon_ops->beacon_enable(dev, enable)
	#define mt76x02_pre_tbtt_enable(dev, enable) \
	(dev)->beacon_ops->pre_tbtt_enable(dev, enable)

	struct mt76x02_rate_power {
	union {
	struct {
	s8 cck[4];
	s8 ofdm[8];
	s8 ht[16];
	s8 vht[2];
	};
	s8 all[30];
	};
	};

	struct mt76x02_dev {
	union { /* must be first */
	struct mt76_dev mt76;
	struct mt76_phy mphy;
	};

	struct mac_address macaddr_list[8];

	struct mutex phy_mutex;

	u8 txdone_seq;
	DECLARE_KFIFO_PTR(txstatus_fifo, struct mt76x02_tx_status);
	spinlock_t txstatus_fifo_lock;
	u32 tx_airtime;
	u32 ampdu_ref;

	struct sk_buff *rx_head;

	struct delayed_work cal_work;
	struct delayed_work wdt_work;

	struct hrtimer pre_tbtt_timer;
	struct work_struct pre_tbtt_work;

	const struct mt76x02_beacon_ops *beacon_ops;

	u8 beacon_data_count;

	u8 tbtt_count;

	u32 tx_hang_reset;
	u8 tx_hang_check[4];
	u8 beacon_hang_check;
	u8 mcu_timeout;

	struct mt76x02_rate_power rate_power;

	struct mt76x02_calibration cal;

	int txpower_conf;
	s8 target_power;
	s8 target_power_delta[2];
	bool enable_tpc;

	bool no_2ghz;

	s16 coverage_class;
	u8 slottime;

	struct mt76x02_dfs_pattern_detector dfs_pd;

	/* edcca monitor */
	unsigned long ed_trigger_timeout;
	bool ed_tx_blocked;
	bool ed_monitor;
	u8 ed_monitor_enabled;
	u8 ed_monitor_learning;
	u8 ed_trigger;
	u8 ed_silent;
	ktime_t ed_time;
	};

	extern struct ieee80211_rate mt76x02_rates[12];

	int mt76x02_init_device(struct mt76x02_dev *dev);
	void mt76x02_configure_filter(struct ieee80211_hw *hw,
	unsigned int changed_flags,
	unsigned int *total_flags, u64 multicast);
	int mt76x02_sta_add(struct mt76_dev mdev, struct ieee80211_vif vif,
	struct ieee80211_sta *sta);
	void mt76x02_sta_remove(struct mt76_dev mdev, struct ieee80211_vif vif,
	struct ieee80211_sta *sta);

	void mt76x02_config_mac_addr_list(struct mt76x02_dev *dev);

	int mt76x02_add_interface(struct ieee80211_hw *hw,
	struct ieee80211_vif *vif);
	void mt76x02_remove_interface(struct ieee80211_hw *hw,
	struct ieee80211_vif *vif);

	int mt76x02_ampdu_action(struct ieee80211_hw hw, struct ieee80211_vif vif,
	struct ieee80211_ampdu_params *params);
	int mt76x02_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
	struct ieee80211_vif vif, struct ieee80211_sta sta,
	struct ieee80211_key_conf *key);
	int mt76x02_conf_tx(struct ieee80211_hw hw, struct ieee80211_vif vif,
	unsigned int link_id, u16 queue,
	const struct ieee80211_tx_queue_params *params);
	void mt76x02_sta_rate_tbl_update(struct ieee80211_hw *hw,
	struct ieee80211_vif *vif,
	struct ieee80211_sta *sta);
	s8 mt76x02_tx_get_max_txpwr_adj(struct mt76x02_dev *dev,
	const struct ieee80211_tx_rate *rate);
	s8 mt76x02_tx_get_txpwr_adj(struct mt76x02_dev *dev, s8 txpwr,
	s8 max_txpwr_adj);
	void mt76x02_wdt_work(struct work_struct *work);
	void mt76x02_tx_set_txpwr_auto(struct mt76x02_dev *dev, s8 txpwr);
	void mt76x02_set_tx_ackto(struct mt76x02_dev *dev);
	void mt76x02_set_coverage_class(struct ieee80211_hw *hw,
	int radio_idx, s16 coverage_class);
	int mt76x02_set_rts_threshold(struct ieee80211_hw *hw, int radio_idx, u32 val);
	void mt76x02_remove_hdr_pad(struct sk_buff *skb, int len);
	bool mt76x02_tx_status_data(struct mt76_dev mdev, u8 update);
	void mt76x02_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
	struct sk_buff skb, u32 info);
	void mt76x02_rx_poll_complete(struct mt76_dev *mdev, enum mt76_rxq_id q);
	irqreturn_t mt76x02_irq_handler(int irq, void *dev_instance);
	void mt76x02_tx(struct ieee80211_hw hw, struct ieee80211_tx_control control,
	struct sk_buff *skb);
	int mt76x02_tx_prepare_skb(struct mt76_dev mdev, void txwi,
	enum mt76_txq_id qid, struct mt76_wcid *wcid,
	struct ieee80211_sta *sta,
	struct mt76_tx_info *tx_info);
	void mt76x02_sw_scan_complete(struct ieee80211_hw *hw,
	struct ieee80211_vif *vif);
	void mt76x02_sta_ps(struct mt76_dev dev, struct ieee80211_sta sta, bool ps);
	void mt76x02_bss_info_changed(struct ieee80211_hw *hw,
	struct ieee80211_vif *vif,
	struct ieee80211_bss_conf *info, u64 changed);
	void mt76x02_reconfig_complete(struct ieee80211_hw *hw,
	enum ieee80211_reconfig_type reconfig_type);

	struct beacon_bc_data {
	struct mt76x02_dev *dev;
	struct sk_buff_head q;
	struct sk_buff *tail[8];
	};

	void mt76x02_init_beacon_config(struct mt76x02_dev *dev);
	void mt76x02e_init_beacon_config(struct mt76x02_dev *dev);
	void mt76x02_resync_beacon_timer(struct mt76x02_dev *dev);
	void mt76x02_update_beacon_iter(void priv, u8 mac, struct ieee80211_vif *vif);
	void mt76x02_enqueue_buffered_bc(struct mt76x02_dev *dev,
	struct beacon_bc_data *data,
	int max_nframes);

	void mt76x02_mac_start(struct mt76x02_dev *dev);

	void mt76x02_init_debugfs(struct mt76x02_dev *dev);

	static inline bool is_mt76x0(struct mt76x02_dev *dev)
	{
	return mt76_chip(&dev->mt76) == 0x7610 \|\|
	mt76_chip(&dev->mt76) == 0x7630 \|\|
	mt76_chip(&dev->mt76) == 0x7650;
	}

	static inline bool is_mt76x2(struct mt76x02_dev *dev)
	{
	return mt76_chip(&dev->mt76) == 0x7612 \|\|
	mt76_chip(&dev->mt76) == 0x7632 \|\|
	mt76_chip(&dev->mt76) == 0x7662 \|\|
	mt76_chip(&dev->mt76) == 0x7602;
	}

	static inline void mt76x02_irq_enable(struct mt76x02_dev *dev, u32 mask)
	{
	mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, 0, mask);
	}

	static inline void mt76x02_irq_disable(struct mt76x02_dev *dev, u32 mask)
	{
	mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, mask, 0);
	}

	static inline bool
	mt76x02_wait_for_txrx_idle(struct mt76_dev *dev)
	{
	return __mt76_poll_msec(dev, MT_MAC_STATUS,
	MT_MAC_STATUS_TX \| MT_MAC_STATUS_RX,
	0, 100);
	}

	static inline struct mt76x02_sta *
	mt76x02_rx_get_sta(struct mt76_dev *dev, u8 idx)
	{
	struct mt76_wcid *wcid;

	wcid = __mt76_wcid_ptr(dev, idx);
	if (!wcid)
	return NULL;

	return container_of(wcid, struct mt76x02_sta, wcid);
	}

	static inline struct mt76_wcid *
	mt76x02_rx_get_sta_wcid(struct mt76x02_sta *sta, bool unicast)
	{
	if (!sta)
	return NULL;

	if (unicast)
	return &sta->wcid;
	else
	return &sta->vif->group_wcid;
	}

	#endif /* __MT76x02_H */