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.
18 #ifndef __MT76X02_UTIL_H
19 #define __MT76X02_UTIL_H
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
31 #define MT_MAX_CHAINS 2
32 struct mt76x02_rx_freq_cal {
33 s8 high_gain[MT_MAX_CHAINS];
34 s8 rssi_offset[MT_MAX_CHAINS];
41 struct mt76x02_calibration {
42 struct mt76x02_rx_freq_cal rx;
44 u8 agc_gain_init[MT_MAX_CHAINS];
45 u8 agc_gain_cur[MT_MAX_CHAINS];
57 bool tssi_comp_pending;
59 bool channel_cal_done;
67 struct mt76_dev mt76; /* must be first */
69 struct mac_address macaddr_list[8];
71 struct mutex phy_mutex;
74 DECLARE_KFIFO_PTR(txstatus_fifo, struct mt76x02_tx_status);
76 struct sk_buff *rx_head;
78 struct tasklet_struct tx_tasklet;
79 struct tasklet_struct pre_tbtt_tasklet;
80 struct delayed_work cal_work;
81 struct delayed_work mac_work;
85 struct sk_buff *beacons[8];
92 struct mt76x02_calibration cal;
95 s8 target_power_delta[2];
103 struct mt76x02_dfs_pattern_detector dfs_pd;
106 extern struct ieee80211_rate mt76x02_rates[12];
108 void mt76x02_init_device(struct mt76x02_dev *dev);
109 void mt76x02_configure_filter(struct ieee80211_hw *hw,
110 unsigned int changed_flags,
111 unsigned int *total_flags, u64 multicast);
112 int mt76x02_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
113 struct ieee80211_sta *sta);
114 void mt76x02_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
115 struct ieee80211_sta *sta);
117 void mt76x02_config_mac_addr_list(struct mt76x02_dev *dev);
118 void mt76x02_vif_init(struct mt76x02_dev *dev, struct ieee80211_vif *vif,
120 int mt76x02_add_interface(struct ieee80211_hw *hw,
121 struct ieee80211_vif *vif);
122 void mt76x02_remove_interface(struct ieee80211_hw *hw,
123 struct ieee80211_vif *vif);
125 int mt76x02_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
126 struct ieee80211_ampdu_params *params);
127 int mt76x02_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
128 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
129 struct ieee80211_key_conf *key);
130 int mt76x02_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
131 u16 queue, const struct ieee80211_tx_queue_params *params);
132 void mt76x02_sta_rate_tbl_update(struct ieee80211_hw *hw,
133 struct ieee80211_vif *vif,
134 struct ieee80211_sta *sta);
135 s8 mt76x02_tx_get_max_txpwr_adj(struct mt76x02_dev *dev,
136 const struct ieee80211_tx_rate *rate);
137 s8 mt76x02_tx_get_txpwr_adj(struct mt76x02_dev *dev, s8 txpwr,
139 void mt76x02_tx_set_txpwr_auto(struct mt76x02_dev *dev, s8 txpwr);
140 void mt76x02_set_tx_ackto(struct mt76x02_dev *dev);
141 void mt76x02_set_coverage_class(struct ieee80211_hw *hw,
143 int mt76x02_set_rts_threshold(struct ieee80211_hw *hw, u32 val);
144 int mt76x02_insert_hdr_pad(struct sk_buff *skb);
145 void mt76x02_remove_hdr_pad(struct sk_buff *skb, int len);
146 bool mt76x02_tx_status_data(struct mt76_dev *mdev, u8 *update);
147 void mt76x02_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
148 struct sk_buff *skb);
149 void mt76x02_rx_poll_complete(struct mt76_dev *mdev, enum mt76_rxq_id q);
150 irqreturn_t mt76x02_irq_handler(int irq, void *dev_instance);
151 void mt76x02_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control,
152 struct sk_buff *skb);
153 int mt76x02_tx_prepare_skb(struct mt76_dev *mdev, void *txwi,
154 struct sk_buff *skb, struct mt76_queue *q,
155 struct mt76_wcid *wcid, struct ieee80211_sta *sta,
157 void mt76x02_sw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
159 void mt76x02_sw_scan_complete(struct ieee80211_hw *hw,
160 struct ieee80211_vif *vif);
161 int mt76x02_get_txpower(struct ieee80211_hw *hw,
162 struct ieee80211_vif *vif, int *dbm);
163 void mt76x02_sta_ps(struct mt76_dev *dev, struct ieee80211_sta *sta, bool ps);
164 void mt76x02_bss_info_changed(struct ieee80211_hw *hw,
165 struct ieee80211_vif *vif,
166 struct ieee80211_bss_conf *info, u32 changed);
168 extern const u16 mt76x02_beacon_offsets[16];
169 void mt76x02_init_beacon_config(struct mt76x02_dev *dev);
170 void mt76x02_set_irq_mask(struct mt76x02_dev *dev, u32 clear, u32 set);
171 void mt76x02_mac_start(struct mt76x02_dev *dev);
173 void mt76x02_init_debugfs(struct mt76x02_dev *dev);
175 static inline bool is_mt76x2(struct mt76x02_dev *dev)
177 return mt76_chip(&dev->mt76) == 0x7612 ||
178 mt76_chip(&dev->mt76) == 0x7662 ||
179 mt76_chip(&dev->mt76) == 0x7602;
182 static inline void mt76x02_irq_enable(struct mt76x02_dev *dev, u32 mask)
184 mt76x02_set_irq_mask(dev, 0, mask);
187 static inline void mt76x02_irq_disable(struct mt76x02_dev *dev, u32 mask)
189 mt76x02_set_irq_mask(dev, mask, 0);
193 mt76x02_wait_for_txrx_idle(struct mt76_dev *dev)
195 return __mt76_poll_msec(dev, MT_MAC_STATUS,
196 MT_MAC_STATUS_TX | MT_MAC_STATUS_RX,
200 static inline struct mt76x02_sta *
201 mt76x02_rx_get_sta(struct mt76_dev *dev, u8 idx)
203 struct mt76_wcid *wcid;
205 if (idx >= ARRAY_SIZE(dev->wcid))
208 wcid = rcu_dereference(dev->wcid[idx]);
212 return container_of(wcid, struct mt76x02_sta, wcid);
215 static inline struct mt76_wcid *
216 mt76x02_rx_get_sta_wcid(struct mt76x02_sta *sta, bool unicast)
224 return &sta->vif->group_wcid;