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_dev { 76 union { /* must be first */ 77 struct mt76_dev mt76; 78 struct mt76_phy mphy; 79 }; 80 81 struct mac_address macaddr_list[8]; 82 83 struct mutex phy_mutex; 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[4]; 107 u8 beacon_hang_check; 108 u8 mcu_timeout; 109 110 struct mt76x02_calibration cal; 111 112 int txpower_conf; 113 s8 target_power; 114 s8 target_power_delta[2]; 115 bool enable_tpc; 116 117 bool no_2ghz; 118 119 s16 coverage_class; 120 u8 slottime; 121 122 struct mt76x02_dfs_pattern_detector dfs_pd; 123 124 /* edcca monitor */ 125 unsigned long ed_trigger_timeout; 126 bool ed_tx_blocked; 127 bool ed_monitor; 128 u8 ed_monitor_enabled; 129 u8 ed_monitor_learning; 130 u8 ed_trigger; 131 u8 ed_silent; 132 ktime_t ed_time; 133 }; 134 135 extern struct ieee80211_rate mt76x02_rates[12]; 136 137 int mt76x02_init_device(struct mt76x02_dev *dev); 138 void mt76x02_configure_filter(struct ieee80211_hw *hw, 139 unsigned int changed_flags, 140 unsigned int *total_flags, u64 multicast); 141 int mt76x02_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 142 struct ieee80211_sta *sta); 143 void mt76x02_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 144 struct ieee80211_sta *sta); 145 146 void mt76x02_config_mac_addr_list(struct mt76x02_dev *dev); 147 148 int mt76x02_add_interface(struct ieee80211_hw *hw, 149 struct ieee80211_vif *vif); 150 void mt76x02_remove_interface(struct ieee80211_hw *hw, 151 struct ieee80211_vif *vif); 152 153 int mt76x02_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 154 struct ieee80211_ampdu_params *params); 155 int mt76x02_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 156 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 157 struct ieee80211_key_conf *key); 158 int mt76x02_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 159 u16 queue, const struct ieee80211_tx_queue_params *params); 160 void mt76x02_sta_rate_tbl_update(struct ieee80211_hw *hw, 161 struct ieee80211_vif *vif, 162 struct ieee80211_sta *sta); 163 s8 mt76x02_tx_get_max_txpwr_adj(struct mt76x02_dev *dev, 164 const struct ieee80211_tx_rate *rate); 165 s8 mt76x02_tx_get_txpwr_adj(struct mt76x02_dev *dev, s8 txpwr, 166 s8 max_txpwr_adj); 167 void mt76x02_wdt_work(struct work_struct *work); 168 void mt76x02_tx_set_txpwr_auto(struct mt76x02_dev *dev, s8 txpwr); 169 void mt76x02_set_tx_ackto(struct mt76x02_dev *dev); 170 void mt76x02_set_coverage_class(struct ieee80211_hw *hw, 171 s16 coverage_class); 172 int mt76x02_set_rts_threshold(struct ieee80211_hw *hw, u32 val); 173 void mt76x02_remove_hdr_pad(struct sk_buff *skb, int len); 174 bool mt76x02_tx_status_data(struct mt76_dev *mdev, u8 *update); 175 void mt76x02_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q, 176 struct sk_buff *skb); 177 void mt76x02_rx_poll_complete(struct mt76_dev *mdev, enum mt76_rxq_id q); 178 irqreturn_t mt76x02_irq_handler(int irq, void *dev_instance); 179 void mt76x02_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control, 180 struct sk_buff *skb); 181 int mt76x02_tx_prepare_skb(struct mt76_dev *mdev, void *txwi, 182 enum mt76_txq_id qid, struct mt76_wcid *wcid, 183 struct ieee80211_sta *sta, 184 struct mt76_tx_info *tx_info); 185 void mt76x02_sw_scan_complete(struct ieee80211_hw *hw, 186 struct ieee80211_vif *vif); 187 void mt76x02_sta_ps(struct mt76_dev *dev, struct ieee80211_sta *sta, bool ps); 188 void mt76x02_bss_info_changed(struct ieee80211_hw *hw, 189 struct ieee80211_vif *vif, 190 struct ieee80211_bss_conf *info, u32 changed); 191 void mt76x02_reconfig_complete(struct ieee80211_hw *hw, 192 enum ieee80211_reconfig_type reconfig_type); 193 194 struct beacon_bc_data { 195 struct mt76x02_dev *dev; 196 struct sk_buff_head q; 197 struct sk_buff *tail[8]; 198 }; 199 200 void mt76x02_init_beacon_config(struct mt76x02_dev *dev); 201 void mt76x02e_init_beacon_config(struct mt76x02_dev *dev); 202 void mt76x02_resync_beacon_timer(struct mt76x02_dev *dev); 203 void mt76x02_update_beacon_iter(void *priv, u8 *mac, struct ieee80211_vif *vif); 204 void mt76x02_enqueue_buffered_bc(struct mt76x02_dev *dev, 205 struct beacon_bc_data *data, 206 int max_nframes); 207 208 void mt76x02_mac_start(struct mt76x02_dev *dev); 209 210 void mt76x02_init_debugfs(struct mt76x02_dev *dev); 211 212 static inline bool is_mt76x0(struct mt76x02_dev *dev) 213 { 214 return mt76_chip(&dev->mt76) == 0x7610 || 215 mt76_chip(&dev->mt76) == 0x7630 || 216 mt76_chip(&dev->mt76) == 0x7650; 217 } 218 219 static inline bool is_mt76x2(struct mt76x02_dev *dev) 220 { 221 return mt76_chip(&dev->mt76) == 0x7612 || 222 mt76_chip(&dev->mt76) == 0x7632 || 223 mt76_chip(&dev->mt76) == 0x7662 || 224 mt76_chip(&dev->mt76) == 0x7602; 225 } 226 227 static inline void mt76x02_irq_enable(struct mt76x02_dev *dev, u32 mask) 228 { 229 mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, 0, mask); 230 } 231 232 static inline void mt76x02_irq_disable(struct mt76x02_dev *dev, u32 mask) 233 { 234 mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, mask, 0); 235 } 236 237 static inline bool 238 mt76x02_wait_for_txrx_idle(struct mt76_dev *dev) 239 { 240 return __mt76_poll_msec(dev, MT_MAC_STATUS, 241 MT_MAC_STATUS_TX | MT_MAC_STATUS_RX, 242 0, 100); 243 } 244 245 static inline struct mt76x02_sta * 246 mt76x02_rx_get_sta(struct mt76_dev *dev, u8 idx) 247 { 248 struct mt76_wcid *wcid; 249 250 if (idx >= MT76x02_N_WCIDS) 251 return NULL; 252 253 wcid = rcu_dereference(dev->wcid[idx]); 254 if (!wcid) 255 return NULL; 256 257 return container_of(wcid, struct mt76x02_sta, wcid); 258 } 259 260 static inline struct mt76_wcid * 261 mt76x02_rx_get_sta_wcid(struct mt76x02_sta *sta, bool unicast) 262 { 263 if (!sta) 264 return NULL; 265 266 if (unicast) 267 return &sta->wcid; 268 else 269 return &sta->vif->group_wcid; 270 } 271 272 #endif /* __MT76x02_H */ 273