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 stbc[10]; 81 s8 ht[16]; 82 s8 vht[10]; 83 }; 84 s8 all[48]; 85 }; 86 }; 87 88 struct mt76x02_dev { 89 union { /* must be first */ 90 struct mt76_dev mt76; 91 struct mt76_phy mphy; 92 }; 93 94 struct mac_address macaddr_list[8]; 95 96 struct mutex phy_mutex; 97 98 u8 txdone_seq; 99 DECLARE_KFIFO_PTR(txstatus_fifo, struct mt76x02_tx_status); 100 spinlock_t txstatus_fifo_lock; 101 u32 tx_airtime; 102 u32 ampdu_ref; 103 104 struct sk_buff *rx_head; 105 106 struct delayed_work cal_work; 107 struct delayed_work wdt_work; 108 109 struct hrtimer pre_tbtt_timer; 110 struct work_struct pre_tbtt_work; 111 112 const struct mt76x02_beacon_ops *beacon_ops; 113 114 u8 beacon_data_count; 115 116 u8 tbtt_count; 117 118 u32 tx_hang_reset; 119 u8 tx_hang_check[4]; 120 u8 beacon_hang_check; 121 u8 mcu_timeout; 122 123 struct mt76x02_rate_power rate_power; 124 125 struct mt76x02_calibration cal; 126 127 int txpower_conf; 128 s8 target_power; 129 s8 target_power_delta[2]; 130 bool enable_tpc; 131 132 bool no_2ghz; 133 134 s16 coverage_class; 135 u8 slottime; 136 137 struct mt76x02_dfs_pattern_detector dfs_pd; 138 139 /* edcca monitor */ 140 unsigned long ed_trigger_timeout; 141 bool ed_tx_blocked; 142 bool ed_monitor; 143 u8 ed_monitor_enabled; 144 u8 ed_monitor_learning; 145 u8 ed_trigger; 146 u8 ed_silent; 147 ktime_t ed_time; 148 }; 149 150 extern struct ieee80211_rate mt76x02_rates[12]; 151 152 int mt76x02_init_device(struct mt76x02_dev *dev); 153 void mt76x02_configure_filter(struct ieee80211_hw *hw, 154 unsigned int changed_flags, 155 unsigned int *total_flags, u64 multicast); 156 int mt76x02_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 157 struct ieee80211_sta *sta); 158 void mt76x02_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 159 struct ieee80211_sta *sta); 160 161 void mt76x02_config_mac_addr_list(struct mt76x02_dev *dev); 162 163 int mt76x02_add_interface(struct ieee80211_hw *hw, 164 struct ieee80211_vif *vif); 165 void mt76x02_remove_interface(struct ieee80211_hw *hw, 166 struct ieee80211_vif *vif); 167 168 int mt76x02_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 169 struct ieee80211_ampdu_params *params); 170 int mt76x02_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 171 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 172 struct ieee80211_key_conf *key); 173 int mt76x02_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 174 unsigned int link_id, u16 queue, 175 const struct ieee80211_tx_queue_params *params); 176 void mt76x02_sta_rate_tbl_update(struct ieee80211_hw *hw, 177 struct ieee80211_vif *vif, 178 struct ieee80211_sta *sta); 179 s8 mt76x02_tx_get_max_txpwr_adj(struct mt76x02_dev *dev, 180 const struct ieee80211_tx_rate *rate); 181 s8 mt76x02_tx_get_txpwr_adj(struct mt76x02_dev *dev, s8 txpwr, 182 s8 max_txpwr_adj); 183 void mt76x02_wdt_work(struct work_struct *work); 184 void mt76x02_tx_set_txpwr_auto(struct mt76x02_dev *dev, s8 txpwr); 185 void mt76x02_set_tx_ackto(struct mt76x02_dev *dev); 186 void mt76x02_set_coverage_class(struct ieee80211_hw *hw, 187 s16 coverage_class); 188 int mt76x02_set_rts_threshold(struct ieee80211_hw *hw, u32 val); 189 void mt76x02_remove_hdr_pad(struct sk_buff *skb, int len); 190 bool mt76x02_tx_status_data(struct mt76_dev *mdev, u8 *update); 191 void mt76x02_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q, 192 struct sk_buff *skb); 193 void mt76x02_rx_poll_complete(struct mt76_dev *mdev, enum mt76_rxq_id q); 194 irqreturn_t mt76x02_irq_handler(int irq, void *dev_instance); 195 void mt76x02_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control, 196 struct sk_buff *skb); 197 int mt76x02_tx_prepare_skb(struct mt76_dev *mdev, void *txwi, 198 enum mt76_txq_id qid, struct mt76_wcid *wcid, 199 struct ieee80211_sta *sta, 200 struct mt76_tx_info *tx_info); 201 void mt76x02_sw_scan_complete(struct ieee80211_hw *hw, 202 struct ieee80211_vif *vif); 203 void mt76x02_sta_ps(struct mt76_dev *dev, struct ieee80211_sta *sta, bool ps); 204 void mt76x02_bss_info_changed(struct ieee80211_hw *hw, 205 struct ieee80211_vif *vif, 206 struct ieee80211_bss_conf *info, u64 changed); 207 void mt76x02_reconfig_complete(struct ieee80211_hw *hw, 208 enum ieee80211_reconfig_type reconfig_type); 209 210 struct beacon_bc_data { 211 struct mt76x02_dev *dev; 212 struct sk_buff_head q; 213 struct sk_buff *tail[8]; 214 }; 215 216 void mt76x02_init_beacon_config(struct mt76x02_dev *dev); 217 void mt76x02e_init_beacon_config(struct mt76x02_dev *dev); 218 void mt76x02_resync_beacon_timer(struct mt76x02_dev *dev); 219 void mt76x02_update_beacon_iter(void *priv, u8 *mac, struct ieee80211_vif *vif); 220 void mt76x02_enqueue_buffered_bc(struct mt76x02_dev *dev, 221 struct beacon_bc_data *data, 222 int max_nframes); 223 224 void mt76x02_mac_start(struct mt76x02_dev *dev); 225 226 void mt76x02_init_debugfs(struct mt76x02_dev *dev); 227 228 static inline bool is_mt76x0(struct mt76x02_dev *dev) 229 { 230 return mt76_chip(&dev->mt76) == 0x7610 || 231 mt76_chip(&dev->mt76) == 0x7630 || 232 mt76_chip(&dev->mt76) == 0x7650; 233 } 234 235 static inline bool is_mt76x2(struct mt76x02_dev *dev) 236 { 237 return mt76_chip(&dev->mt76) == 0x7612 || 238 mt76_chip(&dev->mt76) == 0x7632 || 239 mt76_chip(&dev->mt76) == 0x7662 || 240 mt76_chip(&dev->mt76) == 0x7602; 241 } 242 243 static inline void mt76x02_irq_enable(struct mt76x02_dev *dev, u32 mask) 244 { 245 mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, 0, mask); 246 } 247 248 static inline void mt76x02_irq_disable(struct mt76x02_dev *dev, u32 mask) 249 { 250 mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, mask, 0); 251 } 252 253 static inline bool 254 mt76x02_wait_for_txrx_idle(struct mt76_dev *dev) 255 { 256 return __mt76_poll_msec(dev, MT_MAC_STATUS, 257 MT_MAC_STATUS_TX | MT_MAC_STATUS_RX, 258 0, 100); 259 } 260 261 static inline struct mt76x02_sta * 262 mt76x02_rx_get_sta(struct mt76_dev *dev, u8 idx) 263 { 264 struct mt76_wcid *wcid; 265 266 if (idx >= MT76x02_N_WCIDS) 267 return NULL; 268 269 wcid = rcu_dereference(dev->wcid[idx]); 270 if (!wcid) 271 return NULL; 272 273 return container_of(wcid, struct mt76x02_sta, wcid); 274 } 275 276 static inline struct mt76_wcid * 277 mt76x02_rx_get_sta_wcid(struct mt76x02_sta *sta, bool unicast) 278 { 279 if (!sta) 280 return NULL; 281 282 if (unicast) 283 return &sta->wcid; 284 else 285 return &sta->vif->group_wcid; 286 } 287 288 #endif /* __MT76x02_H */ 289