/* * Copyright (C) 2014 Felix Fietkau * Copyright (C) 2015 Jakub Kicinski * Copyright (C) 2018 Stanislaw Gruszka * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 * as published by the Free Software Foundation * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #ifndef MT76X0U_H #define MT76X0U_H #include #include #include #include #include #include #include #include #include "../mt76.h" #include "../mt76x02_regs.h" #include "../mt76x02_mac.h" #define MT_CALIBRATE_INTERVAL (4 * HZ) #define MT_FREQ_CAL_INIT_DELAY (30 * HZ) #define MT_FREQ_CAL_CHECK_INTERVAL (10 * HZ) #define MT_FREQ_CAL_ADJ_INTERVAL (HZ / 2) #define MT_BBP_REG_VERSION 0x00 #define MT_USB_AGGR_SIZE_LIMIT 21 /* * 1024B */ #define MT_USB_AGGR_TIMEOUT 0x80 /* * 33ns */ struct mac_stats { u64 rx_stat[6]; u64 tx_stat[6]; u64 aggr_stat[2]; u64 aggr_n[32]; u64 zero_len_del[2]; }; struct mt76x0_eeprom_params; #define MT_EE_TEMPERATURE_SLOPE 39 #define MT_FREQ_OFFSET_INVALID -128 /* addr req mask */ #define MT_VEND_TYPE_EEPROM BIT(31) #define MT_VEND_TYPE_CFG BIT(30) #define MT_VEND_TYPE_MASK (MT_VEND_TYPE_EEPROM | MT_VEND_TYPE_CFG) #define MT_VEND_ADDR(type, n) (MT_VEND_TYPE_##type | (n)) enum mt_bw { MT_BW_20, MT_BW_40, }; /** * struct mt76x0_dev - adapter structure * @lock: protects @wcid->tx_rate. * @mac_lock: locks out mac80211's tx status and rx paths. * @con_mon_lock: protects @ap_bssid, @bcn_*, @avg_rssi. * @mutex: ensures exclusive access from mac80211 callbacks. * @reg_atomic_mutex: ensures atomicity of indirect register accesses * (accesses to RF and BBP). * @hw_atomic_mutex: ensures exclusive access to HW during critical * operations (power management, channel switch). */ struct mt76x0_dev { struct mt76_dev mt76; /* must be first */ u8 data[32]; struct delayed_work cal_work; struct delayed_work mac_work; spinlock_t mac_lock; const u16 *beacon_offsets; struct mt76x0_eeprom_params *ee; struct mutex reg_atomic_mutex; struct mutex hw_atomic_mutex; u32 debugfs_reg; atomic_t avg_ampdu_len; /* Connection monitoring things */ spinlock_t con_mon_lock; u8 ap_bssid[ETH_ALEN]; s8 bcn_freq_off; u8 bcn_phy_mode; int avg_rssi; /* starts at 0 and converges */ u8 agc_save; u16 chainmask; struct mac_stats stats; }; extern const struct ieee80211_ops mt76x0_ops; static inline bool is_mt7610e(struct mt76x0_dev *dev) { /* TODO */ return false; } void mt76x0_init_debugfs(struct mt76x0_dev *dev); /* Compatibility with mt76 */ #define mt76_rmw_field(_dev, _reg, _field, _val) \ mt76_rmw(_dev, _reg, _field, FIELD_PREP(_field, _val)) /* Init */ struct mt76x0_dev * mt76x0_alloc_device(struct device *pdev, const struct mt76_driver_ops *drv_ops); int mt76x0_init_hardware(struct mt76x0_dev *dev); int mt76x0_register_device(struct mt76x0_dev *dev); void mt76x0_cleanup(struct mt76x0_dev *dev); void mt76x0_chip_onoff(struct mt76x0_dev *dev, bool enable, bool reset); int mt76x0_mac_start(struct mt76x0_dev *dev); void mt76x0_mac_stop(struct mt76x0_dev *dev); /* PHY */ void mt76x0_phy_init(struct mt76x0_dev *dev); int mt76x0_wait_bbp_ready(struct mt76x0_dev *dev); void mt76x0_agc_save(struct mt76x0_dev *dev); void mt76x0_agc_restore(struct mt76x0_dev *dev); int mt76x0_phy_set_channel(struct mt76x0_dev *dev, struct cfg80211_chan_def *chandef); void mt76x0_phy_recalibrate_after_assoc(struct mt76x0_dev *dev); int mt76x0_phy_get_rssi(struct mt76x0_dev *dev, struct mt76x02_rxwi *rxwi); void mt76x0_phy_con_cal_onoff(struct mt76x0_dev *dev, struct ieee80211_bss_conf *info); /* MAC */ void mt76x0_mac_work(struct work_struct *work); void mt76x0_mac_set_protection(struct mt76x0_dev *dev, bool legacy_prot, int ht_mode); void mt76x0_mac_set_short_preamble(struct mt76x0_dev *dev, bool short_preamb); void mt76x0_mac_config_tsf(struct mt76x0_dev *dev, bool enable, int interval); void mt76x0_mac_set_ampdu_factor(struct mt76x0_dev *dev); /* TX */ void mt76x0_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control, struct sk_buff *skb); void mt76x0_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q, struct sk_buff *skb); int mt76x0_tx_prepare_skb(struct mt76_dev *mdev, void *data, struct sk_buff *skb, struct mt76_queue *q, struct mt76_wcid *wcid, struct ieee80211_sta *sta, u32 *tx_info); #endif