diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt76x02.h')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x02.h | 264 |
1 files changed, 264 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02.h b/drivers/net/wireless/mediatek/mt76/mt76x02.h new file mode 100644 index 0000000..e858bba --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x02.h @@ -0,0 +1,264 @@ +/* SPDX-License-Identifier: ISC */ +/* + * 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 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_dev { + struct mt76_dev mt76; /* must be first */ + + struct mac_address macaddr_list[8]; + + struct mutex phy_mutex; + + u16 vif_mask; + + u8 txdone_seq; + DECLARE_KFIFO_PTR(txstatus_fifo, struct mt76x02_tx_status); + spinlock_t txstatus_fifo_lock; + + 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; + + u32 aggr_stats[32]; + + struct sk_buff *beacons[8]; + u8 beacon_data_mask; + + u8 tbtt_count; + + u32 tx_hang_reset; + u8 tx_hang_check; + u8 mcu_timeout; + + struct mt76x02_calibration cal; + + s8 target_power; + s8 target_power_delta[2]; + bool enable_tpc; + + bool no_2ghz; + + u8 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]; + +void 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, + 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, + s16 coverage_class); +int mt76x02_set_rts_threshold(struct ieee80211_hw *hw, 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); +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, u32 changed); + +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) == 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; + + if (idx >= ARRAY_SIZE(dev->wcid)) + return NULL; + + wcid = rcu_dereference(dev->wcid[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 */ |