288 lines · c
1/* SPDX-License-Identifier: ISC */2/*3 * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>4 * Copyright (C) 2018 Stanislaw Gruszka <stf_xl@wp.pl>5 */6 7#ifndef __MT76x02_H8#define __MT76x02_H9 10#include <linux/kfifo.h>11 12#include "mt76.h"13#include "mt76x02_regs.h"14#include "mt76x02_mac.h"15#include "mt76x02_dfs.h"16#include "mt76x02_dma.h"17 18#define MT76x02_TX_RING_SIZE 51219#define MT76x02_PSD_RING_SIZE 12820#define MT76x02_N_WCIDS 12821#define MT_CALIBRATE_INTERVAL HZ22#define MT_MAC_WORK_INTERVAL (HZ / 10)23 24#define MT_WATCHDOG_TIME (HZ / 10)25#define MT_TX_HANG_TH 1026 27#define MT_MAX_CHAINS 228struct mt76x02_rx_freq_cal {29 s8 high_gain[MT_MAX_CHAINS];30 s8 rssi_offset[MT_MAX_CHAINS];31 s8 lna_gain;32 u32 mcu_gain;33 s16 temp_offset;34 u8 freq_offset;35};36 37struct mt76x02_calibration {38 struct mt76x02_rx_freq_cal rx;39 40 u8 agc_gain_init[MT_MAX_CHAINS];41 u8 agc_gain_cur[MT_MAX_CHAINS];42 43 u16 false_cca;44 s8 avg_rssi_all;45 s8 agc_gain_adjust;46 s8 agc_lowest_gain;47 s8 low_gain;48 49 s8 temp_vco;50 s8 temp;51 52 bool init_cal_done;53 bool tssi_cal_done;54 bool tssi_comp_pending;55 bool dpd_cal_done;56 bool channel_cal_done;57 bool gain_init_done;58 59 int tssi_target;60 s8 tssi_dc;61};62 63struct mt76x02_beacon_ops {64 unsigned int nslots;65 unsigned int slot_size;66 void (*pre_tbtt_enable)(struct mt76x02_dev *dev, bool en);67 void (*beacon_enable)(struct mt76x02_dev *dev, bool en);68};69 70#define mt76x02_beacon_enable(dev, enable) \71 (dev)->beacon_ops->beacon_enable(dev, enable)72#define mt76x02_pre_tbtt_enable(dev, enable) \73 (dev)->beacon_ops->pre_tbtt_enable(dev, enable)74 75struct mt76x02_rate_power {76 union {77 struct {78 s8 cck[4];79 s8 ofdm[8];80 s8 ht[16];81 s8 vht[2];82 };83 s8 all[30];84 };85};86 87struct mt76x02_dev {88 union { /* must be first */89 struct mt76_dev mt76;90 struct mt76_phy mphy;91 };92 93 struct mac_address macaddr_list[8];94 95 struct mutex phy_mutex;96 97 u8 txdone_seq;98 DECLARE_KFIFO_PTR(txstatus_fifo, struct mt76x02_tx_status);99 spinlock_t txstatus_fifo_lock;100 u32 tx_airtime;101 u32 ampdu_ref;102 103 struct sk_buff *rx_head;104 105 struct delayed_work cal_work;106 struct delayed_work wdt_work;107 108 struct hrtimer pre_tbtt_timer;109 struct work_struct pre_tbtt_work;110 111 const struct mt76x02_beacon_ops *beacon_ops;112 113 u8 beacon_data_count;114 115 u8 tbtt_count;116 117 u32 tx_hang_reset;118 u8 tx_hang_check[4];119 u8 beacon_hang_check;120 u8 mcu_timeout;121 122 struct mt76x02_rate_power rate_power;123 124 struct mt76x02_calibration cal;125 126 int txpower_conf;127 s8 target_power;128 s8 target_power_delta[2];129 bool enable_tpc;130 131 bool no_2ghz;132 133 s16 coverage_class;134 u8 slottime;135 136 struct mt76x02_dfs_pattern_detector dfs_pd;137 138 /* edcca monitor */139 unsigned long ed_trigger_timeout;140 bool ed_tx_blocked;141 bool ed_monitor;142 u8 ed_monitor_enabled;143 u8 ed_monitor_learning;144 u8 ed_trigger;145 u8 ed_silent;146 ktime_t ed_time;147};148 149extern struct ieee80211_rate mt76x02_rates[12];150 151int mt76x02_init_device(struct mt76x02_dev *dev);152void mt76x02_configure_filter(struct ieee80211_hw *hw,153 unsigned int changed_flags,154 unsigned int *total_flags, u64 multicast);155int mt76x02_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,156 struct ieee80211_sta *sta);157void mt76x02_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,158 struct ieee80211_sta *sta);159 160void mt76x02_config_mac_addr_list(struct mt76x02_dev *dev);161 162int mt76x02_add_interface(struct ieee80211_hw *hw,163 struct ieee80211_vif *vif);164void mt76x02_remove_interface(struct ieee80211_hw *hw,165 struct ieee80211_vif *vif);166 167int mt76x02_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,168 struct ieee80211_ampdu_params *params);169int mt76x02_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,170 struct ieee80211_vif *vif, struct ieee80211_sta *sta,171 struct ieee80211_key_conf *key);172int mt76x02_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif,173 unsigned int link_id, u16 queue,174 const struct ieee80211_tx_queue_params *params);175void mt76x02_sta_rate_tbl_update(struct ieee80211_hw *hw,176 struct ieee80211_vif *vif,177 struct ieee80211_sta *sta);178s8 mt76x02_tx_get_max_txpwr_adj(struct mt76x02_dev *dev,179 const struct ieee80211_tx_rate *rate);180s8 mt76x02_tx_get_txpwr_adj(struct mt76x02_dev *dev, s8 txpwr,181 s8 max_txpwr_adj);182void mt76x02_wdt_work(struct work_struct *work);183void mt76x02_tx_set_txpwr_auto(struct mt76x02_dev *dev, s8 txpwr);184void mt76x02_set_tx_ackto(struct mt76x02_dev *dev);185void mt76x02_set_coverage_class(struct ieee80211_hw *hw,186 s16 coverage_class);187int mt76x02_set_rts_threshold(struct ieee80211_hw *hw, u32 val);188void mt76x02_remove_hdr_pad(struct sk_buff *skb, int len);189bool mt76x02_tx_status_data(struct mt76_dev *mdev, u8 *update);190void mt76x02_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,191 struct sk_buff *skb, u32 *info);192void mt76x02_rx_poll_complete(struct mt76_dev *mdev, enum mt76_rxq_id q);193irqreturn_t mt76x02_irq_handler(int irq, void *dev_instance);194void mt76x02_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control,195 struct sk_buff *skb);196int mt76x02_tx_prepare_skb(struct mt76_dev *mdev, void *txwi,197 enum mt76_txq_id qid, struct mt76_wcid *wcid,198 struct ieee80211_sta *sta,199 struct mt76_tx_info *tx_info);200void mt76x02_sw_scan_complete(struct ieee80211_hw *hw,201 struct ieee80211_vif *vif);202void mt76x02_sta_ps(struct mt76_dev *dev, struct ieee80211_sta *sta, bool ps);203void mt76x02_bss_info_changed(struct ieee80211_hw *hw,204 struct ieee80211_vif *vif,205 struct ieee80211_bss_conf *info, u64 changed);206void mt76x02_reconfig_complete(struct ieee80211_hw *hw,207 enum ieee80211_reconfig_type reconfig_type);208 209struct beacon_bc_data {210 struct mt76x02_dev *dev;211 struct sk_buff_head q;212 struct sk_buff *tail[8];213};214 215void mt76x02_init_beacon_config(struct mt76x02_dev *dev);216void mt76x02e_init_beacon_config(struct mt76x02_dev *dev);217void mt76x02_resync_beacon_timer(struct mt76x02_dev *dev);218void mt76x02_update_beacon_iter(void *priv, u8 *mac, struct ieee80211_vif *vif);219void mt76x02_enqueue_buffered_bc(struct mt76x02_dev *dev,220 struct beacon_bc_data *data,221 int max_nframes);222 223void mt76x02_mac_start(struct mt76x02_dev *dev);224 225void mt76x02_init_debugfs(struct mt76x02_dev *dev);226 227static inline bool is_mt76x0(struct mt76x02_dev *dev)228{229 return mt76_chip(&dev->mt76) == 0x7610 ||230 mt76_chip(&dev->mt76) == 0x7630 ||231 mt76_chip(&dev->mt76) == 0x7650;232}233 234static inline bool is_mt76x2(struct mt76x02_dev *dev)235{236 return mt76_chip(&dev->mt76) == 0x7612 ||237 mt76_chip(&dev->mt76) == 0x7632 ||238 mt76_chip(&dev->mt76) == 0x7662 ||239 mt76_chip(&dev->mt76) == 0x7602;240}241 242static inline void mt76x02_irq_enable(struct mt76x02_dev *dev, u32 mask)243{244 mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, 0, mask);245}246 247static inline void mt76x02_irq_disable(struct mt76x02_dev *dev, u32 mask)248{249 mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, mask, 0);250}251 252static inline bool253mt76x02_wait_for_txrx_idle(struct mt76_dev *dev)254{255 return __mt76_poll_msec(dev, MT_MAC_STATUS,256 MT_MAC_STATUS_TX | MT_MAC_STATUS_RX,257 0, 100);258}259 260static inline struct mt76x02_sta *261mt76x02_rx_get_sta(struct mt76_dev *dev, u8 idx)262{263 struct mt76_wcid *wcid;264 265 if (idx >= MT76x02_N_WCIDS)266 return NULL;267 268 wcid = rcu_dereference(dev->wcid[idx]);269 if (!wcid)270 return NULL;271 272 return container_of(wcid, struct mt76x02_sta, wcid);273}274 275static inline struct mt76_wcid *276mt76x02_rx_get_sta_wcid(struct mt76x02_sta *sta, bool unicast)277{278 if (!sta)279 return NULL;280 281 if (unicast)282 return &sta->wcid;283 else284 return &sta->vif->group_wcid;285}286 287#endif /* __MT76x02_H */288