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_H 8 #define __MT76x02_H 9 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 MT_CALIBRATE_INTERVAL HZ 19 #define MT_MAC_WORK_INTERVAL (HZ / 10) 20 21 #define MT_WATCHDOG_TIME (HZ / 10) 22 #define MT_TX_HANG_TH 10 23 24 #define MT_MAX_CHAINS 2 25 struct mt76x02_rx_freq_cal { 26 s8 high_gain[MT_MAX_CHAINS]; 27 s8 rssi_offset[MT_MAX_CHAINS]; 28 s8 lna_gain; 29 u32 mcu_gain; 30 s16 temp_offset; 31 u8 freq_offset; 32 }; 33 34 struct mt76x02_calibration { 35 struct mt76x02_rx_freq_cal rx; 36 37 u8 agc_gain_init[MT_MAX_CHAINS]; 38 u8 agc_gain_cur[MT_MAX_CHAINS]; 39 40 u16 false_cca; 41 s8 avg_rssi_all; 42 s8 agc_gain_adjust; 43 s8 agc_lowest_gain; 44 s8 low_gain; 45 46 s8 temp_vco; 47 s8 temp; 48 49 bool init_cal_done; 50 bool tssi_cal_done; 51 bool tssi_comp_pending; 52 bool dpd_cal_done; 53 bool channel_cal_done; 54 bool gain_init_done; 55 56 int tssi_target; 57 s8 tssi_dc; 58 }; 59 60 struct mt76x02_beacon_ops { 61 unsigned int nslots; 62 unsigned int slot_size; 63 void (*pre_tbtt_enable)(struct mt76x02_dev *dev, bool en); 64 void (*beacon_enable)(struct mt76x02_dev *dev, bool en); 65 }; 66 67 #define mt76x02_beacon_enable(dev, enable) \ 68 (dev)->beacon_ops->beacon_enable(dev, enable) 69 #define mt76x02_pre_tbtt_enable(dev, enable) \ 70 (dev)->beacon_ops->pre_tbtt_enable(dev, enable) 71 72 struct mt76x02_dev { 73 struct mt76_dev mt76; /* must be first */ 74 75 struct mac_address macaddr_list[8]; 76 77 struct mutex phy_mutex; 78 79 u16 vif_mask; 80 81 u8 txdone_seq; 82 DECLARE_KFIFO_PTR(txstatus_fifo, struct mt76x02_tx_status); 83 spinlock_t txstatus_fifo_lock; 84 85 struct sk_buff *rx_head; 86 87 struct delayed_work cal_work; 88 struct delayed_work wdt_work; 89 90 struct hrtimer pre_tbtt_timer; 91 struct work_struct pre_tbtt_work; 92 93 const struct mt76x02_beacon_ops *beacon_ops; 94 95 u32 aggr_stats[32]; 96 97 struct sk_buff *beacons[8]; 98 u8 beacon_data_mask; 99 100 u8 tbtt_count; 101 102 u32 tx_hang_reset; 103 u8 tx_hang_check; 104 u8 mcu_timeout; 105 106 struct mt76x02_calibration cal; 107 108 s8 target_power; 109 s8 target_power_delta[2]; 110 bool enable_tpc; 111 112 bool no_2ghz; 113 114 u8 coverage_class; 115 u8 slottime; 116 117 struct mt76x02_dfs_pattern_detector dfs_pd; 118 119 /* edcca monitor */ 120 unsigned long ed_trigger_timeout; 121 bool ed_tx_blocked; 122 bool ed_monitor; 123 u8 ed_monitor_enabled; 124 u8 ed_monitor_learning; 125 u8 ed_trigger; 126 u8 ed_silent; 127 ktime_t ed_time; 128 }; 129 130 extern struct ieee80211_rate mt76x02_rates[12]; 131 132 void mt76x02_init_device(struct mt76x02_dev *dev); 133 void mt76x02_configure_filter(struct ieee80211_hw *hw, 134 unsigned int changed_flags, 135 unsigned int *total_flags, u64 multicast); 136 int mt76x02_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 137 struct ieee80211_sta *sta); 138 void mt76x02_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 139 struct ieee80211_sta *sta); 140 141 void mt76x02_config_mac_addr_list(struct mt76x02_dev *dev); 142 143 int mt76x02_add_interface(struct ieee80211_hw *hw, 144 struct ieee80211_vif *vif); 145 void mt76x02_remove_interface(struct ieee80211_hw *hw, 146 struct ieee80211_vif *vif); 147 148 int mt76x02_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 149 struct ieee80211_ampdu_params *params); 150 int mt76x02_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 151 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 152 struct ieee80211_key_conf *key); 153 int mt76x02_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 154 u16 queue, const struct ieee80211_tx_queue_params *params); 155 void mt76x02_sta_rate_tbl_update(struct ieee80211_hw *hw, 156 struct ieee80211_vif *vif, 157 struct ieee80211_sta *sta); 158 s8 mt76x02_tx_get_max_txpwr_adj(struct mt76x02_dev *dev, 159 const struct ieee80211_tx_rate *rate); 160 s8 mt76x02_tx_get_txpwr_adj(struct mt76x02_dev *dev, s8 txpwr, 161 s8 max_txpwr_adj); 162 void mt76x02_wdt_work(struct work_struct *work); 163 void mt76x02_tx_set_txpwr_auto(struct mt76x02_dev *dev, s8 txpwr); 164 void mt76x02_set_tx_ackto(struct mt76x02_dev *dev); 165 void mt76x02_set_coverage_class(struct ieee80211_hw *hw, 166 s16 coverage_class); 167 int mt76x02_set_rts_threshold(struct ieee80211_hw *hw, u32 val); 168 void mt76x02_remove_hdr_pad(struct sk_buff *skb, int len); 169 bool mt76x02_tx_status_data(struct mt76_dev *mdev, u8 *update); 170 void mt76x02_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q, 171 struct sk_buff *skb); 172 void mt76x02_rx_poll_complete(struct mt76_dev *mdev, enum mt76_rxq_id q); 173 irqreturn_t mt76x02_irq_handler(int irq, void *dev_instance); 174 void mt76x02_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control, 175 struct sk_buff *skb); 176 int mt76x02_tx_prepare_skb(struct mt76_dev *mdev, void *txwi, 177 enum mt76_txq_id qid, struct mt76_wcid *wcid, 178 struct ieee80211_sta *sta, 179 struct mt76_tx_info *tx_info); 180 void mt76x02_sw_scan_complete(struct ieee80211_hw *hw, 181 struct ieee80211_vif *vif); 182 void mt76x02_sta_ps(struct mt76_dev *dev, struct ieee80211_sta *sta, bool ps); 183 void mt76x02_bss_info_changed(struct ieee80211_hw *hw, 184 struct ieee80211_vif *vif, 185 struct ieee80211_bss_conf *info, u32 changed); 186 187 struct beacon_bc_data { 188 struct mt76x02_dev *dev; 189 struct sk_buff_head q; 190 struct sk_buff *tail[8]; 191 }; 192 193 void mt76x02_init_beacon_config(struct mt76x02_dev *dev); 194 void mt76x02e_init_beacon_config(struct mt76x02_dev *dev); 195 void mt76x02_resync_beacon_timer(struct mt76x02_dev *dev); 196 void mt76x02_update_beacon_iter(void *priv, u8 *mac, struct ieee80211_vif *vif); 197 void mt76x02_enqueue_buffered_bc(struct mt76x02_dev *dev, 198 struct beacon_bc_data *data, 199 int max_nframes); 200 201 void mt76x02_mac_start(struct mt76x02_dev *dev); 202 203 void mt76x02_init_debugfs(struct mt76x02_dev *dev); 204 205 static inline bool is_mt76x0(struct mt76x02_dev *dev) 206 { 207 return mt76_chip(&dev->mt76) == 0x7610 || 208 mt76_chip(&dev->mt76) == 0x7630 || 209 mt76_chip(&dev->mt76) == 0x7650; 210 } 211 212 static inline bool is_mt76x2(struct mt76x02_dev *dev) 213 { 214 return mt76_chip(&dev->mt76) == 0x7612 || 215 mt76_chip(&dev->mt76) == 0x7662 || 216 mt76_chip(&dev->mt76) == 0x7602; 217 } 218 219 static inline void mt76x02_irq_enable(struct mt76x02_dev *dev, u32 mask) 220 { 221 mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, 0, mask); 222 } 223 224 static inline void mt76x02_irq_disable(struct mt76x02_dev *dev, u32 mask) 225 { 226 mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, mask, 0); 227 } 228 229 static inline bool 230 mt76x02_wait_for_txrx_idle(struct mt76_dev *dev) 231 { 232 return __mt76_poll_msec(dev, MT_MAC_STATUS, 233 MT_MAC_STATUS_TX | MT_MAC_STATUS_RX, 234 0, 100); 235 } 236 237 static inline struct mt76x02_sta * 238 mt76x02_rx_get_sta(struct mt76_dev *dev, u8 idx) 239 { 240 struct mt76_wcid *wcid; 241 242 if (idx >= ARRAY_SIZE(dev->wcid)) 243 return NULL; 244 245 wcid = rcu_dereference(dev->wcid[idx]); 246 if (!wcid) 247 return NULL; 248 249 return container_of(wcid, struct mt76x02_sta, wcid); 250 } 251 252 static inline struct mt76_wcid * 253 mt76x02_rx_get_sta_wcid(struct mt76x02_sta *sta, bool unicast) 254 { 255 if (!sta) 256 return NULL; 257 258 if (unicast) 259 return &sta->wcid; 260 else 261 return &sta->vif->group_wcid; 262 } 263 264 #endif /* __MT76x02_H */ 265