drivers/net/wireless/mediatek/mt76/mt76x02.h

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