1 /* 2 * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org> 3 * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl> 4 * Copyright (C) 2018 Stanislaw Gruszka <stf_xl@wp.pl> 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License version 2 8 * as published by the Free Software Foundation 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 */ 15 16 #ifndef MT76X0U_H 17 #define MT76X0U_H 18 19 #include <linux/bitfield.h> 20 #include <linux/kernel.h> 21 #include <linux/device.h> 22 #include <linux/mutex.h> 23 #include <linux/usb.h> 24 #include <linux/completion.h> 25 #include <net/mac80211.h> 26 #include <linux/debugfs.h> 27 28 #include "../mt76.h" 29 #include "../mt76x02_regs.h" 30 #include "../mt76x02_mac.h" 31 #include "eeprom.h" 32 33 #define MT_CALIBRATE_INTERVAL (4 * HZ) 34 35 #define MT_FREQ_CAL_INIT_DELAY (30 * HZ) 36 #define MT_FREQ_CAL_CHECK_INTERVAL (10 * HZ) 37 #define MT_FREQ_CAL_ADJ_INTERVAL (HZ / 2) 38 39 #define MT_BBP_REG_VERSION 0x00 40 41 #define MT_USB_AGGR_SIZE_LIMIT 21 /* * 1024B */ 42 #define MT_USB_AGGR_TIMEOUT 0x80 /* * 33ns */ 43 44 struct mac_stats { 45 u64 rx_stat[6]; 46 u64 tx_stat[6]; 47 u64 aggr_stat[2]; 48 u64 aggr_n[32]; 49 u64 zero_len_del[2]; 50 }; 51 52 struct mt76x0_eeprom_params; 53 54 #define MT_EE_TEMPERATURE_SLOPE 39 55 #define MT_FREQ_OFFSET_INVALID -128 56 57 /* addr req mask */ 58 #define MT_VEND_TYPE_EEPROM BIT(31) 59 #define MT_VEND_TYPE_CFG BIT(30) 60 #define MT_VEND_TYPE_MASK (MT_VEND_TYPE_EEPROM | MT_VEND_TYPE_CFG) 61 62 #define MT_VEND_ADDR(type, n) (MT_VEND_TYPE_##type | (n)) 63 64 enum mt_bw { 65 MT_BW_20, 66 MT_BW_40, 67 }; 68 69 /** 70 * struct mt76x0_dev - adapter structure 71 * @lock: protects @wcid->tx_rate. 72 * @mac_lock: locks out mac80211's tx status and rx paths. 73 * @con_mon_lock: protects @ap_bssid, @bcn_*, @avg_rssi. 74 * @mutex: ensures exclusive access from mac80211 callbacks. 75 * @reg_atomic_mutex: ensures atomicity of indirect register accesses 76 * (accesses to RF and BBP). 77 * @hw_atomic_mutex: ensures exclusive access to HW during critical 78 * operations (power management, channel switch). 79 */ 80 struct mt76x0_dev { 81 struct mt76_dev mt76; /* must be first */ 82 83 u8 data[32]; 84 85 struct delayed_work cal_work; 86 struct delayed_work mac_work; 87 88 spinlock_t mac_lock; 89 90 const u16 *beacon_offsets; 91 92 struct mt76x0_caldata caldata; 93 94 struct mutex reg_atomic_mutex; 95 struct mutex hw_atomic_mutex; 96 97 atomic_t avg_ampdu_len; 98 99 /* Connection monitoring things */ 100 spinlock_t con_mon_lock; 101 u8 ap_bssid[ETH_ALEN]; 102 103 s8 bcn_freq_off; 104 u8 bcn_phy_mode; 105 106 int avg_rssi; /* starts at 0 and converges */ 107 108 u8 agc_save; 109 u16 chainmask; 110 111 bool no_2ghz; 112 113 struct mac_stats stats; 114 }; 115 116 extern const struct ieee80211_ops mt76x0_ops; 117 118 static inline bool is_mt7610e(struct mt76x0_dev *dev) 119 { 120 /* TODO */ 121 return false; 122 } 123 124 void mt76x0_init_debugfs(struct mt76x0_dev *dev); 125 126 /* Compatibility with mt76 */ 127 #define mt76_rmw_field(_dev, _reg, _field, _val) \ 128 mt76_rmw(_dev, _reg, _field, FIELD_PREP(_field, _val)) 129 130 /* Init */ 131 struct mt76x0_dev * 132 mt76x0_alloc_device(struct device *pdev, const struct mt76_driver_ops *drv_ops); 133 int mt76x0_init_hardware(struct mt76x0_dev *dev); 134 int mt76x0_register_device(struct mt76x0_dev *dev); 135 void mt76x0_cleanup(struct mt76x0_dev *dev); 136 void mt76x0_chip_onoff(struct mt76x0_dev *dev, bool enable, bool reset); 137 138 int mt76x0_mac_start(struct mt76x0_dev *dev); 139 void mt76x0_mac_stop(struct mt76x0_dev *dev); 140 141 /* PHY */ 142 void mt76x0_phy_init(struct mt76x0_dev *dev); 143 int mt76x0_wait_bbp_ready(struct mt76x0_dev *dev); 144 void mt76x0_agc_save(struct mt76x0_dev *dev); 145 void mt76x0_agc_restore(struct mt76x0_dev *dev); 146 int mt76x0_phy_set_channel(struct mt76x0_dev *dev, 147 struct cfg80211_chan_def *chandef); 148 void mt76x0_phy_recalibrate_after_assoc(struct mt76x0_dev *dev); 149 int mt76x0_phy_get_rssi(struct mt76x0_dev *dev, struct mt76x02_rxwi *rxwi); 150 void mt76x0_phy_con_cal_onoff(struct mt76x0_dev *dev, 151 struct ieee80211_bss_conf *info); 152 void mt76x0_phy_set_txpower(struct mt76x0_dev *dev); 153 154 /* MAC */ 155 void mt76x0_mac_work(struct work_struct *work); 156 void mt76x0_mac_set_protection(struct mt76x0_dev *dev, bool legacy_prot, 157 int ht_mode); 158 void mt76x0_mac_set_short_preamble(struct mt76x0_dev *dev, bool short_preamb); 159 void mt76x0_mac_config_tsf(struct mt76x0_dev *dev, bool enable, int interval); 160 void mt76x0_mac_set_ampdu_factor(struct mt76x0_dev *dev); 161 162 /* TX */ 163 void mt76x0_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control, 164 struct sk_buff *skb); 165 166 void mt76x0_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q, 167 struct sk_buff *skb); 168 169 int mt76x0_tx_prepare_skb(struct mt76_dev *mdev, void *data, 170 struct sk_buff *skb, struct mt76_queue *q, 171 struct mt76_wcid *wcid, struct ieee80211_sta *sta, 172 u32 *tx_info); 173 #endif 174