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 union { /* must be first */ 74 struct mt76_dev mt76; 75 struct mt76_phy mphy; 76 }; 77 78 struct mac_address macaddr_list[8]; 79 80 struct mutex phy_mutex; 81 82 u16 vif_mask; 83 u16 chainmask; 84 85 u8 txdone_seq; 86 DECLARE_KFIFO_PTR(txstatus_fifo, struct mt76x02_tx_status); 87 spinlock_t txstatus_fifo_lock; 88 u32 tx_airtime; 89 u32 ampdu_ref; 90 91 struct sk_buff *rx_head; 92 93 struct delayed_work cal_work; 94 struct delayed_work wdt_work; 95 96 struct hrtimer pre_tbtt_timer; 97 struct work_struct pre_tbtt_work; 98 99 const struct mt76x02_beacon_ops *beacon_ops; 100 101 u8 beacon_data_count; 102 103 u8 tbtt_count; 104 105 u32 tx_hang_reset; 106 u8 tx_hang_check; 107 u8 mcu_timeout; 108 109 struct mt76x02_calibration cal; 110 111 int txpower_conf; 112 s8 target_power; 113 s8 target_power_delta[2]; 114 bool enable_tpc; 115 116 bool no_2ghz; 117 118 s16 coverage_class; 119 u8 slottime; 120 121 struct mt76x02_dfs_pattern_detector dfs_pd; 122 123 /* edcca monitor */ 124 unsigned long ed_trigger_timeout; 125 bool ed_tx_blocked; 126 bool ed_monitor; 127 u8 ed_monitor_enabled; 128 u8 ed_monitor_learning; 129 u8 ed_trigger; 130 u8 ed_silent; 131 ktime_t ed_time; 132 }; 133 134 extern struct ieee80211_rate mt76x02_rates[12]; 135 136 void mt76x02_init_device(struct mt76x02_dev *dev); 137 void mt76x02_configure_filter(struct ieee80211_hw *hw, 138 unsigned int changed_flags, 139 unsigned int *total_flags, u64 multicast); 140 int mt76x02_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 141 struct ieee80211_sta *sta); 142 void mt76x02_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 143 struct ieee80211_sta *sta); 144 145 void mt76x02_config_mac_addr_list(struct mt76x02_dev *dev); 146 147 int mt76x02_add_interface(struct ieee80211_hw *hw, 148 struct ieee80211_vif *vif); 149 void mt76x02_remove_interface(struct ieee80211_hw *hw, 150 struct ieee80211_vif *vif); 151 152 int mt76x02_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 153 struct ieee80211_ampdu_params *params); 154 int mt76x02_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 155 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 156 struct ieee80211_key_conf *key); 157 int mt76x02_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 158 u16 queue, const struct ieee80211_tx_queue_params *params); 159 void mt76x02_sta_rate_tbl_update(struct ieee80211_hw *hw, 160 struct ieee80211_vif *vif, 161 struct ieee80211_sta *sta); 162 s8 mt76x02_tx_get_max_txpwr_adj(struct mt76x02_dev *dev, 163 const struct ieee80211_tx_rate *rate); 164 s8 mt76x02_tx_get_txpwr_adj(struct mt76x02_dev *dev, s8 txpwr, 165 s8 max_txpwr_adj); 166 void mt76x02_wdt_work(struct work_struct *work); 167 void mt76x02_tx_set_txpwr_auto(struct mt76x02_dev *dev, s8 txpwr); 168 void mt76x02_set_tx_ackto(struct mt76x02_dev *dev); 169 void mt76x02_set_coverage_class(struct ieee80211_hw *hw, 170 s16 coverage_class); 171 int mt76x02_set_rts_threshold(struct ieee80211_hw *hw, u32 val); 172 void mt76x02_remove_hdr_pad(struct sk_buff *skb, int len); 173 bool mt76x02_tx_status_data(struct mt76_dev *mdev, u8 *update); 174 void mt76x02_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q, 175 struct sk_buff *skb); 176 void mt76x02_rx_poll_complete(struct mt76_dev *mdev, enum mt76_rxq_id q); 177 irqreturn_t mt76x02_irq_handler(int irq, void *dev_instance); 178 void mt76x02_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control, 179 struct sk_buff *skb); 180 int mt76x02_tx_prepare_skb(struct mt76_dev *mdev, void *txwi, 181 enum mt76_txq_id qid, struct mt76_wcid *wcid, 182 struct ieee80211_sta *sta, 183 struct mt76_tx_info *tx_info); 184 void mt76x02_sw_scan_complete(struct ieee80211_hw *hw, 185 struct ieee80211_vif *vif); 186 void mt76x02_sta_ps(struct mt76_dev *dev, struct ieee80211_sta *sta, bool ps); 187 void mt76x02_bss_info_changed(struct ieee80211_hw *hw, 188 struct ieee80211_vif *vif, 189 struct ieee80211_bss_conf *info, u32 changed); 190 191 struct beacon_bc_data { 192 struct mt76x02_dev *dev; 193 struct sk_buff_head q; 194 struct sk_buff *tail[8]; 195 }; 196 197 void mt76x02_init_beacon_config(struct mt76x02_dev *dev); 198 void mt76x02e_init_beacon_config(struct mt76x02_dev *dev); 199 void mt76x02_resync_beacon_timer(struct mt76x02_dev *dev); 200 void mt76x02_update_beacon_iter(void *priv, u8 *mac, struct ieee80211_vif *vif); 201 void mt76x02_enqueue_buffered_bc(struct mt76x02_dev *dev, 202 struct beacon_bc_data *data, 203 int max_nframes); 204 205 void mt76x02_mac_start(struct mt76x02_dev *dev); 206 207 void mt76x02_init_debugfs(struct mt76x02_dev *dev); 208 209 static inline bool is_mt76x0(struct mt76x02_dev *dev) 210 { 211 return mt76_chip(&dev->mt76) == 0x7610 || 212 mt76_chip(&dev->mt76) == 0x7630 || 213 mt76_chip(&dev->mt76) == 0x7650; 214 } 215 216 static inline bool is_mt76x2(struct mt76x02_dev *dev) 217 { 218 return mt76_chip(&dev->mt76) == 0x7612 || 219 mt76_chip(&dev->mt76) == 0x7662 || 220 mt76_chip(&dev->mt76) == 0x7602; 221 } 222 223 static inline void mt76x02_irq_enable(struct mt76x02_dev *dev, u32 mask) 224 { 225 mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, 0, mask); 226 } 227 228 static inline void mt76x02_irq_disable(struct mt76x02_dev *dev, u32 mask) 229 { 230 mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, mask, 0); 231 } 232 233 static inline bool 234 mt76x02_wait_for_txrx_idle(struct mt76_dev *dev) 235 { 236 return __mt76_poll_msec(dev, MT_MAC_STATUS, 237 MT_MAC_STATUS_TX | MT_MAC_STATUS_RX, 238 0, 100); 239 } 240 241 static inline struct mt76x02_sta * 242 mt76x02_rx_get_sta(struct mt76_dev *dev, u8 idx) 243 { 244 struct mt76_wcid *wcid; 245 246 if (idx >= ARRAY_SIZE(dev->wcid)) 247 return NULL; 248 249 wcid = rcu_dereference(dev->wcid[idx]); 250 if (!wcid) 251 return NULL; 252 253 return container_of(wcid, struct mt76x02_sta, wcid); 254 } 255 256 static inline struct mt76_wcid * 257 mt76x02_rx_get_sta_wcid(struct mt76x02_sta *sta, bool unicast) 258 { 259 if (!sta) 260 return NULL; 261 262 if (unicast) 263 return &sta->wcid; 264 else 265 return &sta->vif->group_wcid; 266 } 267 268 #endif /* __MT76x02_H */ 269