/* * Copyright (C) 2016 Felix Fietkau * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef __MT76x2_H #define __MT76x2_H #include #include #include #include #include #include #include #include #include #include #include #define MT7662_FIRMWARE "mt7662.bin" #define MT7662_ROM_PATCH "mt7662_rom_patch.bin" #define MT7662_EEPROM_SIZE 512 #define MT7662U_FIRMWARE "mediatek/mt7662u.bin" #define MT7662U_ROM_PATCH "mediatek/mt7662u_rom_patch.bin" #define MT76x2_RX_RING_SIZE 256 #define MT_RX_HEADROOM 32 #define MT_MAX_CHAINS 2 #define MT_CALIBRATE_INTERVAL HZ #define MT_MAX_VIFS 8 #define MT_VIF_WCID(_n) (254 - ((_n) & 7)) #include "mt76.h" #include "mt76x2_regs.h" #include "mt76x2_mac.h" #include "mt76x2_dfs.h" DECLARE_EWMA(signal, 10, 8) struct mt76x2_mcu { struct mutex mutex; wait_queue_head_t wait; struct sk_buff_head res_q; struct mt76u_buf res_u; u32 msg_seq; }; struct mt76x2_rx_freq_cal { s8 high_gain[MT_MAX_CHAINS]; s8 rssi_offset[MT_MAX_CHAINS]; s8 lna_gain; u32 mcu_gain; }; struct mt76x2_calibration { struct mt76x2_rx_freq_cal rx; u8 agc_gain_init[MT_MAX_CHAINS]; u8 agc_gain_cur[MT_MAX_CHAINS]; u16 false_cca; s8 avg_rssi_all; s8 agc_gain_adjust; s8 low_gain; u8 temp; bool init_cal_done; bool tssi_cal_done; bool tssi_comp_pending; bool dpd_cal_done; bool channel_cal_done; }; struct mt76x2_dev { struct mt76_dev mt76; /* must be first */ struct mac_address macaddr_list[8]; struct mutex mutex; const u16 *beacon_offsets; unsigned long wcid_mask[128 / BITS_PER_LONG]; int txpower_conf; int txpower_cur; u8 txdone_seq; DECLARE_KFIFO_PTR(txstatus_fifo, struct mt76x2_tx_status); struct mt76x2_mcu mcu; struct sk_buff *rx_head; struct tasklet_struct tx_tasklet; struct tasklet_struct pre_tbtt_tasklet; struct delayed_work cal_work; struct delayed_work mac_work; u32 aggr_stats[32]; struct mt76_wcid global_wcid; struct mt76_wcid __rcu *wcid[128]; spinlock_t irq_lock; u32 irqmask; struct sk_buff *beacons[8]; u8 beacon_mask; u8 beacon_data_mask; u8 tbtt_count; u16 beacon_int; u16 chainmask; u32 rxfilter; struct mt76x2_calibration cal; s8 target_power; s8 target_power_delta[2]; struct mt76_rate_power rate_power; bool enable_tpc; u8 coverage_class; u8 slottime; struct mt76x2_dfs_pattern_detector dfs_pd; }; struct mt76x2_vif { u8 idx; struct mt76_wcid group_wcid; }; struct mt76x2_sta { struct mt76_wcid wcid; /* must be first */ struct mt76x2_vif *vif; struct mt76x2_tx_status status; int n_frames; struct ewma_signal rssi; int inactive_count; }; static inline bool mt76x2_wait_for_mac(struct mt76x2_dev *dev) { int i; for (i = 0; i < 500; i++) { switch (mt76_rr(dev, MT_MAC_CSR0)) { case 0: case ~0: break; default: return true; } usleep_range(5000, 10000); } return false; } static inline bool is_mt7612(struct mt76x2_dev *dev) { return mt76_chip(&dev->mt76) == 0x7612; } void mt76x2_set_irq_mask(struct mt76x2_dev *dev, u32 clear, u32 set); static inline bool mt76x2_channel_silent(struct mt76x2_dev *dev) { struct ieee80211_channel *chan = dev->mt76.chandef.chan; return ((chan->flags & IEEE80211_CHAN_RADAR) && chan->dfs_state != NL80211_DFS_AVAILABLE); } static inline void mt76x2_irq_enable(struct mt76x2_dev *dev, u32 mask) { mt76x2_set_irq_mask(dev, 0, mask); } static inline void mt76x2_irq_disable(struct mt76x2_dev *dev, u32 mask) { mt76x2_set_irq_mask(dev, mask, 0); } static inline bool mt76x2_wait_for_bbp(struct mt76x2_dev *dev) { return mt76_poll_msec(dev, MT_MAC_STATUS, MT_MAC_STATUS_TX | MT_MAC_STATUS_RX, 0, 100); } static inline bool wait_for_wpdma(struct mt76x2_dev *dev) { return mt76_poll(dev, MT_WPDMA_GLO_CFG, MT_WPDMA_GLO_CFG_TX_DMA_BUSY | MT_WPDMA_GLO_CFG_RX_DMA_BUSY, 0, 1000); } extern const struct ieee80211_ops mt76x2_ops; extern struct ieee80211_rate mt76x2_rates[12]; struct mt76x2_dev *mt76x2_alloc_device(struct device *pdev); int mt76x2_register_device(struct mt76x2_dev *dev); void mt76x2_init_debugfs(struct mt76x2_dev *dev); void mt76x2_init_device(struct mt76x2_dev *dev); irqreturn_t mt76x2_irq_handler(int irq, void *dev_instance); void mt76x2_phy_power_on(struct mt76x2_dev *dev); int mt76x2_init_hardware(struct mt76x2_dev *dev); void mt76x2_stop_hardware(struct mt76x2_dev *dev); int mt76x2_eeprom_init(struct mt76x2_dev *dev); int mt76x2_apply_calibration_data(struct mt76x2_dev *dev, int channel); void mt76x2_set_tx_ackto(struct mt76x2_dev *dev); void mt76x2_phy_set_antenna(struct mt76x2_dev *dev); int mt76x2_phy_start(struct mt76x2_dev *dev); int mt76x2_phy_set_channel(struct mt76x2_dev *dev, struct cfg80211_chan_def *chandef); int mt76x2_mac_get_rssi(struct mt76x2_dev *dev, s8 rssi, int chain); void mt76x2_phy_calibrate(struct work_struct *work); void mt76x2_phy_set_txpower(struct mt76x2_dev *dev); int mt76x2_mcu_init(struct mt76x2_dev *dev); int mt76x2_mcu_set_channel(struct mt76x2_dev *dev, u8 channel, u8 bw, u8 bw_index, bool scan); int mt76x2_mcu_set_radio_state(struct mt76x2_dev *dev, bool on); int mt76x2_mcu_load_cr(struct mt76x2_dev *dev, u8 type, u8 temp_level, u8 channel); int mt76x2_mcu_cleanup(struct mt76x2_dev *dev); int mt76x2_dma_init(struct mt76x2_dev *dev); void mt76x2_dma_cleanup(struct mt76x2_dev *dev); void mt76x2_cleanup(struct mt76x2_dev *dev); int mt76x2_tx_queue_mcu(struct mt76x2_dev *dev, enum mt76_txq_id qid, struct sk_buff *skb, int cmd, int seq); void mt76x2_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control, struct sk_buff *skb); void mt76x2_tx_complete(struct mt76x2_dev *dev, struct sk_buff *skb); int mt76x2_tx_prepare_skb(struct mt76_dev *mdev, void *txwi, struct sk_buff *skb, struct mt76_queue *q, struct mt76_wcid *wcid, struct ieee80211_sta *sta, u32 *tx_info); void mt76x2_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue *q, struct mt76_queue_entry *e, bool flush); void mt76x2_mac_set_tx_protection(struct mt76x2_dev *dev, u32 val); void mt76x2_pre_tbtt_tasklet(unsigned long arg); void mt76x2_rx_poll_complete(struct mt76_dev *mdev, enum mt76_rxq_id q); void mt76x2_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q, struct sk_buff *skb); void mt76x2_sta_ps(struct mt76_dev *dev, struct ieee80211_sta *sta, bool ps); void mt76x2_update_channel(struct mt76_dev *mdev); s8 mt76x2_tx_get_max_txpwr_adj(struct mt76x2_dev *dev, const struct ieee80211_tx_rate *rate); s8 mt76x2_tx_get_txpwr_adj(struct mt76x2_dev *dev, s8 txpwr, s8 max_txpwr_adj); void mt76x2_tx_set_txpwr_auto(struct mt76x2_dev *dev, s8 txpwr); int mt76x2_insert_hdr_pad(struct sk_buff *skb); bool mt76x2_mac_load_tx_status(struct mt76x2_dev *dev, struct mt76x2_tx_status *stat); void mt76x2_send_tx_status(struct mt76x2_dev *dev, struct mt76x2_tx_status *stat, u8 *update); void mt76x2_reset_wlan(struct mt76x2_dev *dev, bool enable); void mt76x2_init_txpower(struct mt76x2_dev *dev, struct ieee80211_supported_band *sband); void mt76_write_mac_initvals(struct mt76x2_dev *dev); int mt76x2_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_ampdu_params *params); int mt76x2_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta); int mt76x2_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta); void mt76x2_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif); int mt76x2_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, struct ieee80211_vif *vif, struct ieee80211_sta *sta, struct ieee80211_key_conf *key); int mt76x2_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue, const struct ieee80211_tx_queue_params *params); void mt76x2_configure_filter(struct ieee80211_hw *hw, unsigned int changed_flags, unsigned int *total_flags, u64 multicast); void mt76x2_txq_init(struct mt76x2_dev *dev, struct ieee80211_txq *txq); void mt76x2_sta_rate_tbl_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta); void mt76x2_phy_set_txpower_regs(struct mt76x2_dev *dev, enum nl80211_band band); void mt76x2_configure_tx_delay(struct mt76x2_dev *dev, enum nl80211_band band, u8 bw); void mt76x2_phy_set_bw(struct mt76x2_dev *dev, int width, u8 ctrl); void mt76x2_phy_set_band(struct mt76x2_dev *dev, int band, bool primary_upper); int mt76x2_phy_get_min_avg_rssi(struct mt76x2_dev *dev); void mt76x2_apply_gain_adj(struct mt76x2_dev *dev); #endif