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 28struct 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 37struct 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 63struct 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 75struct 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 136extern struct ieee80211_rate mt76x02_rates[12]; 137 138void mt76x02_init_device(struct mt76x02_dev *dev); 139void mt76x02_configure_filter(struct ieee80211_hw *hw, 140 unsigned int changed_flags, 141 unsigned int *total_flags, u64 multicast); 142int mt76x02_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 143 struct ieee80211_sta *sta); 144void mt76x02_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 145 struct ieee80211_sta *sta); 146 147void mt76x02_config_mac_addr_list(struct mt76x02_dev *dev); 148 149int mt76x02_add_interface(struct ieee80211_hw *hw, 150 struct ieee80211_vif *vif); 151void mt76x02_remove_interface(struct ieee80211_hw *hw, 152 struct ieee80211_vif *vif); 153 154int mt76x02_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 155 struct ieee80211_ampdu_params *params); 156int 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); 159int mt76x02_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 160 u16 queue, const struct ieee80211_tx_queue_params *params); 161void mt76x02_sta_rate_tbl_update(struct ieee80211_hw *hw, 162 struct ieee80211_vif *vif, 163 struct ieee80211_sta *sta); 164s8 mt76x02_tx_get_max_txpwr_adj(struct mt76x02_dev *dev, 165 const struct ieee80211_tx_rate *rate); 166s8 mt76x02_tx_get_txpwr_adj(struct mt76x02_dev *dev, s8 txpwr, 167 s8 max_txpwr_adj); 168void mt76x02_wdt_work(struct work_struct *work); 169void mt76x02_tx_set_txpwr_auto(struct mt76x02_dev *dev, s8 txpwr); 170void mt76x02_set_tx_ackto(struct mt76x02_dev *dev); 171void mt76x02_set_coverage_class(struct ieee80211_hw *hw, 172 s16 coverage_class); 173int mt76x02_set_rts_threshold(struct ieee80211_hw *hw, u32 val); 174void mt76x02_remove_hdr_pad(struct sk_buff *skb, int len); 175bool mt76x02_tx_status_data(struct mt76_dev *mdev, u8 *update); 176void mt76x02_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q, 177 struct sk_buff *skb); 178void mt76x02_rx_poll_complete(struct mt76_dev *mdev, enum mt76_rxq_id q); 179irqreturn_t mt76x02_irq_handler(int irq, void *dev_instance); 180void mt76x02_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control, 181 struct sk_buff *skb); 182int 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); 186void mt76x02_sw_scan_complete(struct ieee80211_hw *hw, 187 struct ieee80211_vif *vif); 188void mt76x02_sta_ps(struct mt76_dev *dev, struct ieee80211_sta *sta, bool ps); 189void mt76x02_bss_info_changed(struct ieee80211_hw *hw, 190 struct ieee80211_vif *vif, 191 struct ieee80211_bss_conf *info, u32 changed); 192void mt76x02_reconfig_complete(struct ieee80211_hw *hw, 193 enum ieee80211_reconfig_type reconfig_type); 194 195struct beacon_bc_data { 196 struct mt76x02_dev *dev; 197 struct sk_buff_head q; 198 struct sk_buff *tail[8]; 199}; 200 201void mt76x02_init_beacon_config(struct mt76x02_dev *dev); 202void mt76x02e_init_beacon_config(struct mt76x02_dev *dev); 203void mt76x02_resync_beacon_timer(struct mt76x02_dev *dev); 204void mt76x02_update_beacon_iter(void *priv, u8 *mac, struct ieee80211_vif *vif); 205void mt76x02_enqueue_buffered_bc(struct mt76x02_dev *dev, 206 struct beacon_bc_data *data, 207 int max_nframes); 208 209void mt76x02_mac_start(struct mt76x02_dev *dev); 210 211void mt76x02_init_debugfs(struct mt76x02_dev *dev); 212 213static 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 220static 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 228static 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 233static 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 238static inline bool 239mt76x02_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 246static inline struct mt76x02_sta * 247mt76x02_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 261static inline struct mt76_wcid * 262mt76x02_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 */ 274