linux/drivers/net/wireless/mediatek/mt76/mt76x2.h
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   1/*
   2 * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
   3 *
   4 * Permission to use, copy, modify, and/or distribute this software for any
   5 * purpose with or without fee is hereby granted, provided that the above
   6 * copyright notice and this permission notice appear in all copies.
   7 *
   8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15 */
  16
  17#ifndef __MT76x2_H
  18#define __MT76x2_H
  19
  20#include <linux/device.h>
  21#include <linux/dma-mapping.h>
  22#include <linux/spinlock.h>
  23#include <linux/skbuff.h>
  24#include <linux/netdevice.h>
  25#include <linux/irq.h>
  26#include <linux/interrupt.h>
  27#include <linux/mutex.h>
  28#include <linux/bitops.h>
  29#include <linux/kfifo.h>
  30
  31#define MT7662_FIRMWARE         "mt7662.bin"
  32#define MT7662_ROM_PATCH        "mt7662_rom_patch.bin"
  33#define MT7662_EEPROM_SIZE      512
  34
  35#define MT76x2_RX_RING_SIZE     256
  36#define MT_RX_HEADROOM          32
  37
  38#define MT_MAX_CHAINS           2
  39
  40#define MT_CALIBRATE_INTERVAL   HZ
  41
  42#define MT_MAX_VIFS             8
  43#define MT_VIF_WCID(_n)         (254 - ((_n) & 7))
  44
  45#include "mt76.h"
  46#include "mt76x2_regs.h"
  47#include "mt76x2_mac.h"
  48#include "mt76x2_dfs.h"
  49
  50struct mt76x2_mcu {
  51        struct mutex mutex;
  52
  53        wait_queue_head_t wait;
  54        struct sk_buff_head res_q;
  55
  56        u32 msg_seq;
  57};
  58
  59struct mt76x2_rx_freq_cal {
  60        s8 high_gain[MT_MAX_CHAINS];
  61        s8 rssi_offset[MT_MAX_CHAINS];
  62        s8 lna_gain;
  63        u32 mcu_gain;
  64};
  65
  66struct mt76x2_calibration {
  67        struct mt76x2_rx_freq_cal rx;
  68
  69        u8 agc_gain_init[MT_MAX_CHAINS];
  70        u8 agc_gain_cur[MT_MAX_CHAINS];
  71
  72        int avg_rssi[MT_MAX_CHAINS];
  73        int avg_rssi_all;
  74
  75        s8 agc_gain_adjust;
  76        s8 low_gain;
  77
  78        u8 temp;
  79
  80        bool init_cal_done;
  81        bool tssi_cal_done;
  82        bool tssi_comp_pending;
  83        bool dpd_cal_done;
  84        bool channel_cal_done;
  85};
  86
  87struct mt76x2_dev {
  88        struct mt76_dev mt76; /* must be first */
  89
  90        struct mac_address macaddr_list[8];
  91
  92        struct mutex mutex;
  93
  94        const u16 *beacon_offsets;
  95        unsigned long wcid_mask[128 / BITS_PER_LONG];
  96
  97        int txpower_conf;
  98        int txpower_cur;
  99
 100        u8 txdone_seq;
 101        DECLARE_KFIFO_PTR(txstatus_fifo, struct mt76x2_tx_status);
 102
 103        struct mt76x2_mcu mcu;
 104        struct sk_buff *rx_head;
 105
 106        struct tasklet_struct tx_tasklet;
 107        struct tasklet_struct pre_tbtt_tasklet;
 108        struct delayed_work cal_work;
 109        struct delayed_work mac_work;
 110
 111        u32 aggr_stats[32];
 112
 113        struct mt76_wcid global_wcid;
 114        struct mt76_wcid __rcu *wcid[128];
 115
 116        spinlock_t irq_lock;
 117        u32 irqmask;
 118
 119        struct sk_buff *beacons[8];
 120        u8 beacon_mask;
 121        u8 beacon_data_mask;
 122
 123        u32 rxfilter;
 124
 125        u16 chainmask;
 126
 127        struct mt76x2_calibration cal;
 128
 129        s8 target_power;
 130        s8 target_power_delta[2];
 131        struct mt76_rate_power rate_power;
 132        bool enable_tpc;
 133
 134        u8 coverage_class;
 135        u8 slottime;
 136
 137        struct mt76x2_dfs_pattern_detector dfs_pd;
 138};
 139
 140struct mt76x2_vif {
 141        u8 idx;
 142
 143        struct mt76_wcid group_wcid;
 144};
 145
 146struct mt76x2_sta {
 147        struct mt76_wcid wcid; /* must be first */
 148
 149        struct mt76x2_vif *vif;
 150        struct mt76x2_tx_status status;
 151        int n_frames;
 152};
 153
 154static inline bool is_mt7612(struct mt76x2_dev *dev)
 155{
 156        return mt76_chip(&dev->mt76) == 0x7612;
 157}
 158
 159void mt76x2_set_irq_mask(struct mt76x2_dev *dev, u32 clear, u32 set);
 160
 161static inline void mt76x2_irq_enable(struct mt76x2_dev *dev, u32 mask)
 162{
 163        mt76x2_set_irq_mask(dev, 0, mask);
 164}
 165
 166static inline void mt76x2_irq_disable(struct mt76x2_dev *dev, u32 mask)
 167{
 168        mt76x2_set_irq_mask(dev, mask, 0);
 169}
 170
 171extern const struct ieee80211_ops mt76x2_ops;
 172
 173struct mt76x2_dev *mt76x2_alloc_device(struct device *pdev);
 174int mt76x2_register_device(struct mt76x2_dev *dev);
 175void mt76x2_init_debugfs(struct mt76x2_dev *dev);
 176
 177irqreturn_t mt76x2_irq_handler(int irq, void *dev_instance);
 178void mt76x2_phy_power_on(struct mt76x2_dev *dev);
 179int mt76x2_init_hardware(struct mt76x2_dev *dev);
 180void mt76x2_stop_hardware(struct mt76x2_dev *dev);
 181int mt76x2_eeprom_init(struct mt76x2_dev *dev);
 182int mt76x2_apply_calibration_data(struct mt76x2_dev *dev, int channel);
 183void mt76x2_set_tx_ackto(struct mt76x2_dev *dev);
 184
 185void mt76x2_phy_set_antenna(struct mt76x2_dev *dev);
 186int mt76x2_phy_start(struct mt76x2_dev *dev);
 187int mt76x2_phy_set_channel(struct mt76x2_dev *dev,
 188                         struct cfg80211_chan_def *chandef);
 189int mt76x2_phy_get_rssi(struct mt76x2_dev *dev, s8 rssi, int chain);
 190void mt76x2_phy_calibrate(struct work_struct *work);
 191void mt76x2_phy_set_txpower(struct mt76x2_dev *dev);
 192
 193int mt76x2_mcu_init(struct mt76x2_dev *dev);
 194int mt76x2_mcu_set_channel(struct mt76x2_dev *dev, u8 channel, u8 bw,
 195                           u8 bw_index, bool scan);
 196int mt76x2_mcu_set_radio_state(struct mt76x2_dev *dev, bool on);
 197int mt76x2_mcu_load_cr(struct mt76x2_dev *dev, u8 type, u8 temp_level,
 198                       u8 channel);
 199int mt76x2_mcu_cleanup(struct mt76x2_dev *dev);
 200
 201int mt76x2_dma_init(struct mt76x2_dev *dev);
 202void mt76x2_dma_cleanup(struct mt76x2_dev *dev);
 203
 204void mt76x2_cleanup(struct mt76x2_dev *dev);
 205
 206int mt76x2_tx_queue_mcu(struct mt76x2_dev *dev, enum mt76_txq_id qid,
 207                        struct sk_buff *skb, int cmd, int seq);
 208void mt76x2_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control,
 209               struct sk_buff *skb);
 210void mt76x2_tx_complete(struct mt76x2_dev *dev, struct sk_buff *skb);
 211int mt76x2_tx_prepare_skb(struct mt76_dev *mdev, void *txwi,
 212                          struct sk_buff *skb, struct mt76_queue *q,
 213                          struct mt76_wcid *wcid, struct ieee80211_sta *sta,
 214                          u32 *tx_info);
 215void mt76x2_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue *q,
 216                            struct mt76_queue_entry *e, bool flush);
 217
 218void mt76x2_pre_tbtt_tasklet(unsigned long arg);
 219
 220void mt76x2_rx_poll_complete(struct mt76_dev *mdev, enum mt76_rxq_id q);
 221void mt76x2_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
 222                         struct sk_buff *skb);
 223
 224void mt76x2_sta_ps(struct mt76_dev *dev, struct ieee80211_sta *sta, bool ps);
 225
 226void mt76x2_update_channel(struct mt76_dev *mdev);
 227
 228s8 mt76x2_tx_get_max_txpwr_adj(struct mt76x2_dev *dev,
 229                               const struct ieee80211_tx_rate *rate);
 230s8 mt76x2_tx_get_txpwr_adj(struct mt76x2_dev *dev, s8 txpwr, s8 max_txpwr_adj);
 231void mt76x2_tx_set_txpwr_auto(struct mt76x2_dev *dev, s8 txpwr);
 232
 233#endif
 234