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 MT76x02_TX_RING_SIZE 512 19 #define MT76x02_PSD_RING_SIZE 128 20 #define MT76x02_N_WCIDS 128 21 #define MT_CALIBRATE_INTERVAL HZ 22 #define MT_MAC_WORK_INTERVAL (HZ / 10) 23 24 #define MT_WATCHDOG_TIME (HZ / 10) 25 #define MT_TX_HANG_TH 10 26 27 #define MT_MAX_CHAINS 2 28 struct 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 37 struct 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 63 struct 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 75 struct 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 87 struct 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 }; 148 149 extern struct ieee80211_rate mt76x02_rates[12]; 150 151 int mt76x02_init_device(struct mt76x02_dev *dev); 152 void mt76x02_configure_filter(struct ieee80211_hw *hw, 153 unsigned int changed_flags, 154 unsigned int *total_flags, u64 multicast); 155 int mt76x02_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 156 struct ieee80211_sta *sta); 157 void mt76x02_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 158 struct ieee80211_sta *sta); 159 160 void mt76x02_config_mac_addr_list(struct mt76x02_dev *dev); 161 162 int mt76x02_add_interface(struct ieee80211_hw *hw, 163 struct ieee80211_vif *vif); 164 void mt76x02_remove_interface(struct ieee80211_hw *hw, 165 struct ieee80211_vif *vif); 166 167 int mt76x02_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 168 struct ieee80211_ampdu_params *params); 169 int 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); 172 int 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); 175 void mt76x02_sta_rate_tbl_update(struct ieee80211_hw *hw, 176 struct ieee80211_vif *vif, 177 struct ieee80211_sta *sta); 178 s8 mt76x02_tx_get_max_txpwr_adj(struct mt76x02_dev *dev, 179 const struct ieee80211_tx_rate *rate); 180 s8 mt76x02_tx_get_txpwr_adj(struct mt76x02_dev *dev, s8 txpwr, 181 s8 max_txpwr_adj); 182 void mt76x02_wdt_work(struct work_struct *work); 183 void mt76x02_tx_set_txpwr_auto(struct mt76x02_dev *dev, s8 txpwr); 184 void mt76x02_set_tx_ackto(struct mt76x02_dev *dev); 185 void mt76x02_set_coverage_class(struct ieee80211_hw *hw, 186 s16 coverage_class); 187 int mt76x02_set_rts_threshold(struct ieee80211_hw *hw, u32 val); 188 void mt76x02_remove_hdr_pad(struct sk_buff *skb, int len); 189 bool mt76x02_tx_status_data(struct mt76_dev *mdev, u8 *update); 190 void mt76x02_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q, 191 struct sk_buff *skb, u32 *info); 192 void mt76x02_rx_poll_complete(struct mt76_dev *mdev, enum mt76_rxq_id q); 193 irqreturn_t mt76x02_irq_handler(int irq, void *dev_instance); 194 void mt76x02_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control, 195 struct sk_buff *skb); 196 int 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); 200 void mt76x02_sw_scan_complete(struct ieee80211_hw *hw, 201 struct ieee80211_vif *vif); 202 void mt76x02_sta_ps(struct mt76_dev *dev, struct ieee80211_sta *sta, bool ps); 203 void mt76x02_bss_info_changed(struct ieee80211_hw *hw, 204 struct ieee80211_vif *vif, 205 struct ieee80211_bss_conf *info, u64 changed); 206 void mt76x02_reconfig_complete(struct ieee80211_hw *hw, 207 enum ieee80211_reconfig_type reconfig_type); 208 209 struct beacon_bc_data { 210 struct mt76x02_dev *dev; 211 struct sk_buff_head q; 212 struct sk_buff *tail[8]; 213 }; 214 215 void mt76x02_init_beacon_config(struct mt76x02_dev *dev); 216 void mt76x02e_init_beacon_config(struct mt76x02_dev *dev); 217 void mt76x02_resync_beacon_timer(struct mt76x02_dev *dev); 218 void mt76x02_update_beacon_iter(void *priv, u8 *mac, struct ieee80211_vif *vif); 219 void mt76x02_enqueue_buffered_bc(struct mt76x02_dev *dev, 220 struct beacon_bc_data *data, 221 int max_nframes); 222 223 void mt76x02_mac_start(struct mt76x02_dev *dev); 224 225 void mt76x02_init_debugfs(struct mt76x02_dev *dev); 226 is_mt76x0(struct mt76x02_dev * dev)227 static 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 is_mt76x2(struct mt76x02_dev * dev)234 static 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 mt76x02_irq_enable(struct mt76x02_dev * dev,u32 mask)242 static 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 mt76x02_irq_disable(struct mt76x02_dev * dev,u32 mask)247 static 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 } 251 252 static inline bool mt76x02_wait_for_txrx_idle(struct mt76_dev * dev)253 mt76x02_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 } 259 260 static inline struct mt76x02_sta * mt76x02_rx_get_sta(struct mt76_dev * dev,u8 idx)261 mt76x02_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 } 274 275 static inline struct mt76_wcid * mt76x02_rx_get_sta_wcid(struct mt76x02_sta * sta,bool unicast)276 mt76x02_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 else 284 return &sta->vif->group_wcid; 285 } 286 287 #endif /* __MT76x02_H */ 288