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 u32 tx_airtime; 85 86 struct sk_buff *rx_head; 87 88 struct delayed_work cal_work; 89 struct delayed_work wdt_work; 90 91 struct hrtimer pre_tbtt_timer; 92 struct work_struct pre_tbtt_work; 93 94 const struct mt76x02_beacon_ops *beacon_ops; 95 96 struct sk_buff *beacons[8]; 97 u8 beacon_data_mask; 98 99 u8 tbtt_count; 100 101 u32 tx_hang_reset; 102 u8 tx_hang_check; 103 u8 mcu_timeout; 104 105 struct mt76x02_calibration cal; 106 107 s8 target_power; 108 s8 target_power_delta[2]; 109 bool enable_tpc; 110 111 bool no_2ghz; 112 113 u8 coverage_class; 114 u8 slottime; 115 116 struct mt76x02_dfs_pattern_detector dfs_pd; 117 118 /* edcca monitor */ 119 unsigned long ed_trigger_timeout; 120 bool ed_tx_blocked; 121 bool ed_monitor; 122 u8 ed_monitor_enabled; 123 u8 ed_monitor_learning; 124 u8 ed_trigger; 125 u8 ed_silent; 126 ktime_t ed_time; 127 }; 128 129 extern struct ieee80211_rate mt76x02_rates[12]; 130 131 void mt76x02_init_device(struct mt76x02_dev *dev); 132 void mt76x02_configure_filter(struct ieee80211_hw *hw, 133 unsigned int changed_flags, 134 unsigned int *total_flags, u64 multicast); 135 int mt76x02_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 136 struct ieee80211_sta *sta); 137 void mt76x02_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 138 struct ieee80211_sta *sta); 139 140 void mt76x02_config_mac_addr_list(struct mt76x02_dev *dev); 141 142 int mt76x02_add_interface(struct ieee80211_hw *hw, 143 struct ieee80211_vif *vif); 144 void mt76x02_remove_interface(struct ieee80211_hw *hw, 145 struct ieee80211_vif *vif); 146 147 int mt76x02_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 148 struct ieee80211_ampdu_params *params); 149 int mt76x02_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 150 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 151 struct ieee80211_key_conf *key); 152 int mt76x02_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 153 u16 queue, const struct ieee80211_tx_queue_params *params); 154 void mt76x02_sta_rate_tbl_update(struct ieee80211_hw *hw, 155 struct ieee80211_vif *vif, 156 struct ieee80211_sta *sta); 157 s8 mt76x02_tx_get_max_txpwr_adj(struct mt76x02_dev *dev, 158 const struct ieee80211_tx_rate *rate); 159 s8 mt76x02_tx_get_txpwr_adj(struct mt76x02_dev *dev, s8 txpwr, 160 s8 max_txpwr_adj); 161 void mt76x02_wdt_work(struct work_struct *work); 162 void mt76x02_tx_set_txpwr_auto(struct mt76x02_dev *dev, s8 txpwr); 163 void mt76x02_set_tx_ackto(struct mt76x02_dev *dev); 164 void mt76x02_set_coverage_class(struct ieee80211_hw *hw, 165 s16 coverage_class); 166 int mt76x02_set_rts_threshold(struct ieee80211_hw *hw, u32 val); 167 void mt76x02_remove_hdr_pad(struct sk_buff *skb, int len); 168 bool mt76x02_tx_status_data(struct mt76_dev *mdev, u8 *update); 169 void mt76x02_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q, 170 struct sk_buff *skb); 171 void mt76x02_rx_poll_complete(struct mt76_dev *mdev, enum mt76_rxq_id q); 172 irqreturn_t mt76x02_irq_handler(int irq, void *dev_instance); 173 void mt76x02_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control, 174 struct sk_buff *skb); 175 int mt76x02_tx_prepare_skb(struct mt76_dev *mdev, void *txwi, 176 enum mt76_txq_id qid, struct mt76_wcid *wcid, 177 struct ieee80211_sta *sta, 178 struct mt76_tx_info *tx_info); 179 void mt76x02_sw_scan_complete(struct ieee80211_hw *hw, 180 struct ieee80211_vif *vif); 181 void mt76x02_sta_ps(struct mt76_dev *dev, struct ieee80211_sta *sta, bool ps); 182 void mt76x02_bss_info_changed(struct ieee80211_hw *hw, 183 struct ieee80211_vif *vif, 184 struct ieee80211_bss_conf *info, u32 changed); 185 186 struct beacon_bc_data { 187 struct mt76x02_dev *dev; 188 struct sk_buff_head q; 189 struct sk_buff *tail[8]; 190 }; 191 192 void mt76x02_init_beacon_config(struct mt76x02_dev *dev); 193 void mt76x02e_init_beacon_config(struct mt76x02_dev *dev); 194 void mt76x02_resync_beacon_timer(struct mt76x02_dev *dev); 195 void mt76x02_update_beacon_iter(void *priv, u8 *mac, struct ieee80211_vif *vif); 196 void mt76x02_enqueue_buffered_bc(struct mt76x02_dev *dev, 197 struct beacon_bc_data *data, 198 int max_nframes); 199 200 void mt76x02_mac_start(struct mt76x02_dev *dev); 201 202 void mt76x02_init_debugfs(struct mt76x02_dev *dev); 203 204 static inline bool is_mt76x0(struct mt76x02_dev *dev) 205 { 206 return mt76_chip(&dev->mt76) == 0x7610 || 207 mt76_chip(&dev->mt76) == 0x7630 || 208 mt76_chip(&dev->mt76) == 0x7650; 209 } 210 211 static inline bool is_mt76x2(struct mt76x02_dev *dev) 212 { 213 return mt76_chip(&dev->mt76) == 0x7612 || 214 mt76_chip(&dev->mt76) == 0x7662 || 215 mt76_chip(&dev->mt76) == 0x7602; 216 } 217 218 static inline void mt76x02_irq_enable(struct mt76x02_dev *dev, u32 mask) 219 { 220 mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, 0, mask); 221 } 222 223 static inline void mt76x02_irq_disable(struct mt76x02_dev *dev, u32 mask) 224 { 225 mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, mask, 0); 226 } 227 228 static inline bool 229 mt76x02_wait_for_txrx_idle(struct mt76_dev *dev) 230 { 231 return __mt76_poll_msec(dev, MT_MAC_STATUS, 232 MT_MAC_STATUS_TX | MT_MAC_STATUS_RX, 233 0, 100); 234 } 235 236 static inline struct mt76x02_sta * 237 mt76x02_rx_get_sta(struct mt76_dev *dev, u8 idx) 238 { 239 struct mt76_wcid *wcid; 240 241 if (idx >= ARRAY_SIZE(dev->wcid)) 242 return NULL; 243 244 wcid = rcu_dereference(dev->wcid[idx]); 245 if (!wcid) 246 return NULL; 247 248 return container_of(wcid, struct mt76x02_sta, wcid); 249 } 250 251 static inline struct mt76_wcid * 252 mt76x02_rx_get_sta_wcid(struct mt76x02_sta *sta, bool unicast) 253 { 254 if (!sta) 255 return NULL; 256 257 if (unicast) 258 return &sta->wcid; 259 else 260 return &sta->vif->group_wcid; 261 } 262 263 #endif /* __MT76x02_H */ 264