2 * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
3 * Copyright (C) 2018 Stanislaw Gruszka <stf_xl@wp.pl>
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
21 #include <linux/kfifo.h>
24 #include "mt76x02_regs.h"
25 #include "mt76x02_mac.h"
26 #include "mt76x02_dfs.h"
27 #include "mt76x02_dma.h"
29 #define MT_CALIBRATE_INTERVAL HZ
30 #define MT_MAC_WORK_INTERVAL (HZ / 10)
32 #define MT_WATCHDOG_TIME (HZ / 10)
33 #define MT_TX_HANG_TH 10
35 #define MT_MAX_CHAINS 2
36 struct mt76x02_rx_freq_cal {
37 s8 high_gain[MT_MAX_CHAINS];
38 s8 rssi_offset[MT_MAX_CHAINS];
45 struct mt76x02_calibration {
46 struct mt76x02_rx_freq_cal rx;
48 u8 agc_gain_init[MT_MAX_CHAINS];
49 u8 agc_gain_cur[MT_MAX_CHAINS];
61 bool tssi_comp_pending;
63 bool channel_cal_done;
71 struct mt76_dev mt76; /* must be first */
73 struct mac_address macaddr_list[8];
75 struct mutex phy_mutex;
80 DECLARE_KFIFO_PTR(txstatus_fifo, struct mt76x02_tx_status);
82 struct sk_buff *rx_head;
84 struct tasklet_struct tx_tasklet;
85 struct tasklet_struct pre_tbtt_tasklet;
86 struct delayed_work cal_work;
87 struct delayed_work mac_work;
88 struct delayed_work wdt_work;
92 struct sk_buff *beacons[8];
103 struct mt76x02_calibration cal;
106 s8 target_power_delta[2];
114 struct mt76x02_dfs_pattern_detector dfs_pd;
124 extern struct ieee80211_rate mt76x02_rates[12];
126 void mt76x02_init_device(struct mt76x02_dev *dev);
127 void mt76x02_configure_filter(struct ieee80211_hw *hw,
128 unsigned int changed_flags,
129 unsigned int *total_flags, u64 multicast);
130 int mt76x02_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
131 struct ieee80211_sta *sta);
132 void mt76x02_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
133 struct ieee80211_sta *sta);
135 void mt76x02_config_mac_addr_list(struct mt76x02_dev *dev);
137 int mt76x02_add_interface(struct ieee80211_hw *hw,
138 struct ieee80211_vif *vif);
139 void mt76x02_remove_interface(struct ieee80211_hw *hw,
140 struct ieee80211_vif *vif);
142 int mt76x02_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
143 struct ieee80211_ampdu_params *params);
144 int mt76x02_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
145 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
146 struct ieee80211_key_conf *key);
147 int mt76x02_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
148 u16 queue, const struct ieee80211_tx_queue_params *params);
149 void mt76x02_sta_rate_tbl_update(struct ieee80211_hw *hw,
150 struct ieee80211_vif *vif,
151 struct ieee80211_sta *sta);
152 s8 mt76x02_tx_get_max_txpwr_adj(struct mt76x02_dev *dev,
153 const struct ieee80211_tx_rate *rate);
154 s8 mt76x02_tx_get_txpwr_adj(struct mt76x02_dev *dev, s8 txpwr,
156 void mt76x02_wdt_work(struct work_struct *work);
157 void mt76x02_tx_set_txpwr_auto(struct mt76x02_dev *dev, s8 txpwr);
158 void mt76x02_set_tx_ackto(struct mt76x02_dev *dev);
159 void mt76x02_set_coverage_class(struct ieee80211_hw *hw,
161 int mt76x02_set_rts_threshold(struct ieee80211_hw *hw, u32 val);
162 int mt76x02_insert_hdr_pad(struct sk_buff *skb);
163 void mt76x02_remove_hdr_pad(struct sk_buff *skb, int len);
164 bool mt76x02_tx_status_data(struct mt76_dev *mdev, u8 *update);
165 void mt76x02_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
166 struct sk_buff *skb);
167 void mt76x02_rx_poll_complete(struct mt76_dev *mdev, enum mt76_rxq_id q);
168 irqreturn_t mt76x02_irq_handler(int irq, void *dev_instance);
169 void mt76x02_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control,
170 struct sk_buff *skb);
171 int mt76x02_tx_prepare_skb(struct mt76_dev *mdev, void *txwi,
172 struct sk_buff *skb, struct mt76_queue *q,
173 struct mt76_wcid *wcid, struct ieee80211_sta *sta,
175 void mt76x02_sw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
177 void mt76x02_sw_scan_complete(struct ieee80211_hw *hw,
178 struct ieee80211_vif *vif);
179 void mt76x02_sta_ps(struct mt76_dev *dev, struct ieee80211_sta *sta, bool ps);
180 void mt76x02_bss_info_changed(struct ieee80211_hw *hw,
181 struct ieee80211_vif *vif,
182 struct ieee80211_bss_conf *info, u32 changed);
184 extern const u16 mt76x02_beacon_offsets[16];
185 void mt76x02_init_beacon_config(struct mt76x02_dev *dev);
186 void mt76x02_set_irq_mask(struct mt76x02_dev *dev, u32 clear, u32 set);
187 void mt76x02_mac_start(struct mt76x02_dev *dev);
189 void mt76x02_init_debugfs(struct mt76x02_dev *dev);
191 static inline bool is_mt76x2(struct mt76x02_dev *dev)
193 return mt76_chip(&dev->mt76) == 0x7612 ||
194 mt76_chip(&dev->mt76) == 0x7662 ||
195 mt76_chip(&dev->mt76) == 0x7602;
198 static inline void mt76x02_irq_enable(struct mt76x02_dev *dev, u32 mask)
200 mt76x02_set_irq_mask(dev, 0, mask);
203 static inline void mt76x02_irq_disable(struct mt76x02_dev *dev, u32 mask)
205 mt76x02_set_irq_mask(dev, mask, 0);
209 mt76x02_wait_for_txrx_idle(struct mt76_dev *dev)
211 return __mt76_poll_msec(dev, MT_MAC_STATUS,
212 MT_MAC_STATUS_TX | MT_MAC_STATUS_RX,
216 static inline struct mt76x02_sta *
217 mt76x02_rx_get_sta(struct mt76_dev *dev, u8 idx)
219 struct mt76_wcid *wcid;
221 if (idx >= ARRAY_SIZE(dev->wcid))
224 wcid = rcu_dereference(dev->wcid[idx]);
228 return container_of(wcid, struct mt76x02_sta, wcid);
231 static inline struct mt76_wcid *
232 mt76x02_rx_get_sta_wcid(struct mt76x02_sta *sta, bool unicast)
240 return &sta->vif->group_wcid;
243 #endif /* __MT76x02_H */