1 /* SPDX-License-Identifier: ISC */
3 * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
4 * Copyright (C) 2018 Stanislaw Gruszka <stf_xl@wp.pl>
10 #include <linux/kfifo.h>
13 #include "mt76x02_regs.h"
14 #include "mt76x02_mac.h"
15 #include "mt76x02_dfs.h"
16 #include "mt76x02_dma.h"
18 #define MT_CALIBRATE_INTERVAL HZ
19 #define MT_MAC_WORK_INTERVAL (HZ / 10)
21 #define MT_WATCHDOG_TIME (HZ / 10)
22 #define MT_TX_HANG_TH 10
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];
34 struct mt76x02_calibration {
35 struct mt76x02_rx_freq_cal rx;
37 u8 agc_gain_init[MT_MAX_CHAINS];
38 u8 agc_gain_cur[MT_MAX_CHAINS];
51 bool tssi_comp_pending;
53 bool channel_cal_done;
60 struct mt76x02_beacon_ops {
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);
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)
73 union { /* must be first */
78 struct mac_address macaddr_list[8];
80 struct mutex phy_mutex;
85 DECLARE_KFIFO_PTR(txstatus_fifo, struct mt76x02_tx_status);
86 spinlock_t txstatus_fifo_lock;
89 struct sk_buff *rx_head;
91 struct delayed_work cal_work;
92 struct delayed_work wdt_work;
94 struct hrtimer pre_tbtt_timer;
95 struct work_struct pre_tbtt_work;
97 const struct mt76x02_beacon_ops *beacon_ops;
99 struct sk_buff *beacons[8];
108 struct mt76x02_calibration cal;
111 s8 target_power_delta[2];
119 struct mt76x02_dfs_pattern_detector dfs_pd;
122 unsigned long ed_trigger_timeout;
125 u8 ed_monitor_enabled;
126 u8 ed_monitor_learning;
132 extern struct ieee80211_rate mt76x02_rates[12];
134 void mt76x02_init_device(struct mt76x02_dev *dev);
135 void mt76x02_configure_filter(struct ieee80211_hw *hw,
136 unsigned int changed_flags,
137 unsigned int *total_flags, u64 multicast);
138 int mt76x02_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
139 struct ieee80211_sta *sta);
140 void mt76x02_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
141 struct ieee80211_sta *sta);
143 void mt76x02_config_mac_addr_list(struct mt76x02_dev *dev);
145 int mt76x02_add_interface(struct ieee80211_hw *hw,
146 struct ieee80211_vif *vif);
147 void mt76x02_remove_interface(struct ieee80211_hw *hw,
148 struct ieee80211_vif *vif);
150 int mt76x02_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
151 struct ieee80211_ampdu_params *params);
152 int mt76x02_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
153 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
154 struct ieee80211_key_conf *key);
155 int mt76x02_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
156 u16 queue, const struct ieee80211_tx_queue_params *params);
157 void mt76x02_sta_rate_tbl_update(struct ieee80211_hw *hw,
158 struct ieee80211_vif *vif,
159 struct ieee80211_sta *sta);
160 s8 mt76x02_tx_get_max_txpwr_adj(struct mt76x02_dev *dev,
161 const struct ieee80211_tx_rate *rate);
162 s8 mt76x02_tx_get_txpwr_adj(struct mt76x02_dev *dev, s8 txpwr,
164 void mt76x02_wdt_work(struct work_struct *work);
165 void mt76x02_tx_set_txpwr_auto(struct mt76x02_dev *dev, s8 txpwr);
166 void mt76x02_set_tx_ackto(struct mt76x02_dev *dev);
167 void mt76x02_set_coverage_class(struct ieee80211_hw *hw,
169 int mt76x02_set_rts_threshold(struct ieee80211_hw *hw, u32 val);
170 void mt76x02_remove_hdr_pad(struct sk_buff *skb, int len);
171 bool mt76x02_tx_status_data(struct mt76_dev *mdev, u8 *update);
172 void mt76x02_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
173 struct sk_buff *skb);
174 void mt76x02_rx_poll_complete(struct mt76_dev *mdev, enum mt76_rxq_id q);
175 irqreturn_t mt76x02_irq_handler(int irq, void *dev_instance);
176 void mt76x02_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control,
177 struct sk_buff *skb);
178 int mt76x02_tx_prepare_skb(struct mt76_dev *mdev, void *txwi,
179 enum mt76_txq_id qid, struct mt76_wcid *wcid,
180 struct ieee80211_sta *sta,
181 struct mt76_tx_info *tx_info);
182 void mt76x02_sw_scan_complete(struct ieee80211_hw *hw,
183 struct ieee80211_vif *vif);
184 void mt76x02_sta_ps(struct mt76_dev *dev, struct ieee80211_sta *sta, bool ps);
185 void mt76x02_bss_info_changed(struct ieee80211_hw *hw,
186 struct ieee80211_vif *vif,
187 struct ieee80211_bss_conf *info, u32 changed);
189 struct beacon_bc_data {
190 struct mt76x02_dev *dev;
191 struct sk_buff_head q;
192 struct sk_buff *tail[8];
195 void mt76x02_init_beacon_config(struct mt76x02_dev *dev);
196 void mt76x02e_init_beacon_config(struct mt76x02_dev *dev);
197 void mt76x02_resync_beacon_timer(struct mt76x02_dev *dev);
198 void mt76x02_update_beacon_iter(void *priv, u8 *mac, struct ieee80211_vif *vif);
199 void mt76x02_enqueue_buffered_bc(struct mt76x02_dev *dev,
200 struct beacon_bc_data *data,
203 void mt76x02_mac_start(struct mt76x02_dev *dev);
205 void mt76x02_init_debugfs(struct mt76x02_dev *dev);
207 static inline bool is_mt76x0(struct mt76x02_dev *dev)
209 return mt76_chip(&dev->mt76) == 0x7610 ||
210 mt76_chip(&dev->mt76) == 0x7630 ||
211 mt76_chip(&dev->mt76) == 0x7650;
214 static inline bool is_mt76x2(struct mt76x02_dev *dev)
216 return mt76_chip(&dev->mt76) == 0x7612 ||
217 mt76_chip(&dev->mt76) == 0x7662 ||
218 mt76_chip(&dev->mt76) == 0x7602;
221 static inline void mt76x02_irq_enable(struct mt76x02_dev *dev, u32 mask)
223 mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, 0, mask);
226 static inline void mt76x02_irq_disable(struct mt76x02_dev *dev, u32 mask)
228 mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, mask, 0);
232 mt76x02_wait_for_txrx_idle(struct mt76_dev *dev)
234 return __mt76_poll_msec(dev, MT_MAC_STATUS,
235 MT_MAC_STATUS_TX | MT_MAC_STATUS_RX,
239 static inline struct mt76x02_sta *
240 mt76x02_rx_get_sta(struct mt76_dev *dev, u8 idx)
242 struct mt76_wcid *wcid;
244 if (idx >= ARRAY_SIZE(dev->wcid))
247 wcid = rcu_dereference(dev->wcid[idx]);
251 return container_of(wcid, struct mt76x02_sta, wcid);
254 static inline struct mt76_wcid *
255 mt76x02_rx_get_sta_wcid(struct mt76x02_sta *sta, bool unicast)
263 return &sta->vif->group_wcid;
266 #endif /* __MT76x02_H */