drivers/net/wireless/mediatek/mt76/mt7615/init.c

   1 // SPDX-License-Identifier: ISC
   2 /* Copyright (C) 2019 MediaTek Inc.
   3  *
   4  * Author: Roy Luo <royluo@google.com>
   5  *         Ryder Lee <ryder.lee@mediatek.com>
   6  *         Felix Fietkau <nbd@nbd.name>
   7  *         Lorenzo Bianconi <lorenzo@kernel.org>
   8  */
   9
  10 #include <linux/etherdevice.h>
  11 #include "mt7615.h"
  12 #include "mac.h"
  13 #include "mcu.h"
  14 #include "eeprom.h"
  15
  16 static void
  17 mt7615_phy_init(struct mt7615_dev *dev)
  18 {
  19         /* disable rf low power beacon mode */
  20         mt76_set(dev, MT_WF_PHY_WF2_RFCTRL0(0), MT_WF_PHY_WF2_RFCTRL0_LPBCN_EN);
  21         mt76_set(dev, MT_WF_PHY_WF2_RFCTRL0(1), MT_WF_PHY_WF2_RFCTRL0_LPBCN_EN);
  22 }
  23
  24 static void
  25 mt7615_init_mac_chain(struct mt7615_dev *dev, int chain)
  26 {
  27         u32 val;
  28
  29         if (!chain)
  30                 val = MT_CFG_CCR_MAC_D0_1X_GC_EN | MT_CFG_CCR_MAC_D0_2X_GC_EN;
  31         else
  32                 val = MT_CFG_CCR_MAC_D1_1X_GC_EN | MT_CFG_CCR_MAC_D1_2X_GC_EN;
  33
  34         /* enable band 0/1 clk */
  35         mt76_set(dev, MT_CFG_CCR, val);
  36
  37         mt76_rmw(dev, MT_TMAC_TRCR(chain),
  38                  MT_TMAC_TRCR_CCA_SEL | MT_TMAC_TRCR_SEC_CCA_SEL,
  39                  FIELD_PREP(MT_TMAC_TRCR_CCA_SEL, 2) |
  40                  FIELD_PREP(MT_TMAC_TRCR_SEC_CCA_SEL, 0));
  41
  42         mt76_wr(dev, MT_AGG_ACR(chain),
  43                 MT_AGG_ACR_PKT_TIME_EN | MT_AGG_ACR_NO_BA_AR_RULE |
  44                 FIELD_PREP(MT_AGG_ACR_CFEND_RATE, MT7615_CFEND_RATE_DEFAULT) |
  45                 FIELD_PREP(MT_AGG_ACR_BAR_RATE, MT7615_BAR_RATE_DEFAULT));
  46
  47         mt76_wr(dev, MT_AGG_ARUCR(chain),
  48                 FIELD_PREP(MT_AGG_ARxCR_LIMIT(0), 7) |
  49                 FIELD_PREP(MT_AGG_ARxCR_LIMIT(1), 2) |
  50                 FIELD_PREP(MT_AGG_ARxCR_LIMIT(2), 2) |
  51                 FIELD_PREP(MT_AGG_ARxCR_LIMIT(3), 2) |
  52                 FIELD_PREP(MT_AGG_ARxCR_LIMIT(4), 1) |
  53                 FIELD_PREP(MT_AGG_ARxCR_LIMIT(5), 1) |
  54                 FIELD_PREP(MT_AGG_ARxCR_LIMIT(6), 1) |
  55                 FIELD_PREP(MT_AGG_ARxCR_LIMIT(7), 1));
  56
  57         mt76_wr(dev, MT_AGG_ARDCR(chain),
  58                 FIELD_PREP(MT_AGG_ARxCR_LIMIT(0), MT7615_RATE_RETRY - 1) |
  59                 FIELD_PREP(MT_AGG_ARxCR_LIMIT(1), MT7615_RATE_RETRY - 1) |
  60                 FIELD_PREP(MT_AGG_ARxCR_LIMIT(2), MT7615_RATE_RETRY - 1) |
  61                 FIELD_PREP(MT_AGG_ARxCR_LIMIT(3), MT7615_RATE_RETRY - 1) |
  62                 FIELD_PREP(MT_AGG_ARxCR_LIMIT(4), MT7615_RATE_RETRY - 1) |
  63                 FIELD_PREP(MT_AGG_ARxCR_LIMIT(5), MT7615_RATE_RETRY - 1) |
  64                 FIELD_PREP(MT_AGG_ARxCR_LIMIT(6), MT7615_RATE_RETRY - 1) |
  65                 FIELD_PREP(MT_AGG_ARxCR_LIMIT(7), MT7615_RATE_RETRY - 1));
  66
  67         mt76_clear(dev, MT_DMA_RCFR0(chain), MT_DMA_RCFR0_MCU_RX_TDLS);
  68         if (!mt7615_firmware_offload(dev)) {
  69                 u32 mask, set;
  70
  71                 mask = MT_DMA_RCFR0_MCU_RX_MGMT |
  72                        MT_DMA_RCFR0_MCU_RX_CTL_NON_BAR |
  73                        MT_DMA_RCFR0_MCU_RX_CTL_BAR |
  74                        MT_DMA_RCFR0_MCU_RX_BYPASS |
  75                        MT_DMA_RCFR0_RX_DROPPED_UCAST |
  76                        MT_DMA_RCFR0_RX_DROPPED_MCAST;
  77                 set = FIELD_PREP(MT_DMA_RCFR0_RX_DROPPED_UCAST, 2) |
  78                       FIELD_PREP(MT_DMA_RCFR0_RX_DROPPED_MCAST, 2);
  79                 mt76_rmw(dev, MT_DMA_RCFR0(chain), mask, set);
  80         }
  81 }
  82
  83 static void
  84 mt7615_mac_init(struct mt7615_dev *dev)
  85 {
  86         int i;
  87
  88         mt7615_init_mac_chain(dev, 0);
  89
  90         mt76_rmw_field(dev, MT_TMAC_CTCR0,
  91                        MT_TMAC_CTCR0_INS_DDLMT_REFTIME, 0x3f);
  92         mt76_rmw_field(dev, MT_TMAC_CTCR0,
  93                        MT_TMAC_CTCR0_INS_DDLMT_DENSITY, 0x3);
  94         mt76_rmw(dev, MT_TMAC_CTCR0,
  95                  MT_TMAC_CTCR0_INS_DDLMT_VHT_SMPDU_EN |
  96                  MT_TMAC_CTCR0_INS_DDLMT_EN,
  97                  MT_TMAC_CTCR0_INS_DDLMT_VHT_SMPDU_EN |
  98                  MT_TMAC_CTCR0_INS_DDLMT_EN);
  99
 100         mt76_connac_mcu_set_rts_thresh(&dev->mt76, 0x92b, 0);
 101         mt7615_mac_set_scs(&dev->phy, true);
 102
 103         mt76_rmw(dev, MT_AGG_SCR, MT_AGG_SCR_NLNAV_MID_PTEC_DIS,
 104                  MT_AGG_SCR_NLNAV_MID_PTEC_DIS);
 105
 106         mt76_wr(dev, MT_AGG_ARCR,
 107                 FIELD_PREP(MT_AGG_ARCR_RTS_RATE_THR, 2) |
 108                 MT_AGG_ARCR_RATE_DOWN_RATIO_EN |
 109                 FIELD_PREP(MT_AGG_ARCR_RATE_DOWN_RATIO, 1) |
 110                 FIELD_PREP(MT_AGG_ARCR_RATE_UP_EXTRA_TH, 4));
 111
 112         for (i = 0; i < MT7615_WTBL_SIZE; i++)
 113                 mt7615_mac_wtbl_update(dev, i,
 114                                        MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
 115
 116         mt76_set(dev, MT_WF_RMAC_MIB_TIME0, MT_WF_RMAC_MIB_RXTIME_EN);
 117         mt76_set(dev, MT_WF_RMAC_MIB_AIRTIME0, MT_WF_RMAC_MIB_RXTIME_EN);
 118
 119         /* disable hdr translation and hw AMSDU */
 120         mt76_wr(dev, MT_DMA_DCR0,
 121                 FIELD_PREP(MT_DMA_DCR0_MAX_RX_LEN, 3072) |
 122                 MT_DMA_DCR0_RX_VEC_DROP);
 123         /* disable TDLS filtering */
 124         mt76_clear(dev, MT_WF_PFCR, MT_WF_PFCR_TDLS_EN);
 125         mt76_set(dev, MT_WF_MIB_SCR0, MT_MIB_SCR0_AGG_CNT_RANGE_EN);
 126         if (is_mt7663(&dev->mt76)) {
 127                 mt76_wr(dev, MT_WF_AGG(0x160), 0x5c341c02);
 128                 mt76_wr(dev, MT_WF_AGG(0x164), 0x70708040);
 129         } else {
 130                 mt7615_init_mac_chain(dev, 1);
 131         }
 132 }
 133
 134 static void
 135 mt7615_check_offload_capability(struct mt7615_dev *dev)
 136 {
 137         struct ieee80211_hw *hw = mt76_hw(dev);
 138         struct wiphy *wiphy = hw->wiphy;
 139
 140         if (mt7615_firmware_offload(dev)) {
 141                 ieee80211_hw_set(hw, SUPPORTS_PS);
 142                 ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS);
 143
 144                 wiphy->max_remain_on_channel_duration = 5000;
 145                 wiphy->features |= NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR |
 146                                    NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR |
 147                                    WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
 148                                    NL80211_FEATURE_P2P_GO_CTWIN |
 149                                    NL80211_FEATURE_P2P_GO_OPPPS;
 150         } else {
 151                 dev->ops->hw_scan = NULL;
 152                 dev->ops->cancel_hw_scan = NULL;
 153                 dev->ops->sched_scan_start = NULL;
 154                 dev->ops->sched_scan_stop = NULL;
 155                 dev->ops->set_rekey_data = NULL;
 156                 dev->ops->remain_on_channel = NULL;
 157                 dev->ops->cancel_remain_on_channel = NULL;
 158
 159                 wiphy->max_sched_scan_plan_interval = 0;
 160                 wiphy->max_sched_scan_ie_len = 0;
 161                 wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN;
 162                 wiphy->max_sched_scan_ssids = 0;
 163                 wiphy->max_match_sets = 0;
 164                 wiphy->max_sched_scan_reqs = 0;
 165         }
 166 }
 167
 168 bool mt7615_wait_for_mcu_init(struct mt7615_dev *dev)
 169 {
 170         flush_work(&dev->mcu_work);
 171
 172         return test_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state);
 173 }
 174 EXPORT_SYMBOL_GPL(mt7615_wait_for_mcu_init);
 175
 176 #define CCK_RATE(_idx, _rate) {                                         \
 177         .bitrate = _rate,                                               \
 178         .flags = IEEE80211_RATE_SHORT_PREAMBLE,                         \
 179         .hw_value = (MT_PHY_TYPE_CCK << 8) | (_idx),                    \
 180         .hw_value_short = (MT_PHY_TYPE_CCK << 8) | (4 + (_idx)),        \
 181 }
 182
 183 #define OFDM_RATE(_idx, _rate) {                                        \
 184         .bitrate = _rate,                                               \
 185         .hw_value = (MT_PHY_TYPE_OFDM << 8) | (_idx),                   \
 186         .hw_value_short = (MT_PHY_TYPE_OFDM << 8) | (_idx),             \
 187 }
 188
 189 struct ieee80211_rate mt7615_rates[] = {
 190         CCK_RATE(0, 10),
 191         CCK_RATE(1, 20),
 192         CCK_RATE(2, 55),
 193         CCK_RATE(3, 110),
 194         OFDM_RATE(11, 60),
 195         OFDM_RATE(15, 90),
 196         OFDM_RATE(10, 120),
 197         OFDM_RATE(14, 180),
 198         OFDM_RATE(9,  240),
 199         OFDM_RATE(13, 360),
 200         OFDM_RATE(8,  480),
 201         OFDM_RATE(12, 540),
 202 };
 203 EXPORT_SYMBOL_GPL(mt7615_rates);
 204
 205 static const struct ieee80211_iface_limit if_limits[] = {
 206         {
 207                 .max = 1,
 208                 .types = BIT(NL80211_IFTYPE_ADHOC)
 209         }, {
 210                 .max = MT7615_MAX_INTERFACES,
 211                 .types = BIT(NL80211_IFTYPE_AP) |
 212 #ifdef CONFIG_MAC80211_MESH
 213                          BIT(NL80211_IFTYPE_MESH_POINT) |
 214 #endif
 215                          BIT(NL80211_IFTYPE_P2P_CLIENT) |
 216                          BIT(NL80211_IFTYPE_P2P_GO) |
 217                          BIT(NL80211_IFTYPE_STATION)
 218         }
 219 };
 220
 221 static const struct ieee80211_iface_combination if_comb_radar[] = {
 222         {
 223                 .limits = if_limits,
 224                 .n_limits = ARRAY_SIZE(if_limits),
 225                 .max_interfaces = MT7615_MAX_INTERFACES,
 226                 .num_different_channels = 1,
 227                 .beacon_int_infra_match = true,
 228                 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
 229                                        BIT(NL80211_CHAN_WIDTH_20) |
 230                                        BIT(NL80211_CHAN_WIDTH_40) |
 231                                        BIT(NL80211_CHAN_WIDTH_80) |
 232                                        BIT(NL80211_CHAN_WIDTH_160) |
 233                                        BIT(NL80211_CHAN_WIDTH_80P80),
 234         }
 235 };
 236
 237 static const struct ieee80211_iface_combination if_comb[] = {
 238         {
 239                 .limits = if_limits,
 240                 .n_limits = ARRAY_SIZE(if_limits),
 241                 .max_interfaces = MT7615_MAX_INTERFACES,
 242                 .num_different_channels = 1,
 243                 .beacon_int_infra_match = true,
 244         }
 245 };
 246
 247 void mt7615_init_txpower(struct mt7615_dev *dev,
 248                          struct ieee80211_supported_band *sband)
 249 {
 250         int i, n_chains = hweight8(dev->mphy.antenna_mask), target_chains;
 251         int delta_idx, delta = mt76_tx_power_nss_delta(n_chains);
 252         u8 *eep = (u8 *)dev->mt76.eeprom.data;
 253         enum nl80211_band band = sband->band;
 254         u8 rate_val;
 255
 256         delta_idx = mt7615_eeprom_get_power_delta_index(dev, band);
 257         rate_val = eep[delta_idx];
 258         if ((rate_val & ~MT_EE_RATE_POWER_MASK) ==
 259             (MT_EE_RATE_POWER_EN | MT_EE_RATE_POWER_SIGN))
 260                 delta += rate_val & MT_EE_RATE_POWER_MASK;
 261
 262         if (!is_mt7663(&dev->mt76) && mt7615_ext_pa_enabled(dev, band))
 263                 target_chains = 1;
 264         else
 265                 target_chains = n_chains;
 266
 267         for (i = 0; i < sband->n_channels; i++) {
 268                 struct ieee80211_channel *chan = &sband->channels[i];
 269                 u8 target_power = 0;
 270                 int j;
 271
 272                 for (j = 0; j < target_chains; j++) {
 273                         int index;
 274
 275                         index = mt7615_eeprom_get_target_power_index(dev, chan, j);
 276                         if (index < 0)
 277                                 continue;
 278
 279                         target_power = max(target_power, eep[index]);
 280                 }
 281
 282                 target_power = DIV_ROUND_UP(target_power + delta, 2);
 283                 chan->max_power = min_t(int, chan->max_reg_power,
 284                                         target_power);
 285                 chan->orig_mpwr = target_power;
 286         }
 287 }
 288 EXPORT_SYMBOL_GPL(mt7615_init_txpower);
 289
 290 void mt7615_init_work(struct mt7615_dev *dev)
 291 {
 292         mt7615_mcu_set_eeprom(dev);
 293         mt7615_mac_init(dev);
 294         mt7615_phy_init(dev);
 295         mt7615_mcu_del_wtbl_all(dev);
 296         mt7615_check_offload_capability(dev);
 297 }
 298 EXPORT_SYMBOL_GPL(mt7615_init_work);
 299
 300 static void
 301 mt7615_regd_notifier(struct wiphy *wiphy,
 302                      struct regulatory_request *request)
 303 {
 304         struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
 305         struct mt7615_dev *dev = mt7615_hw_dev(hw);
 306         struct mt76_phy *mphy = hw->priv;
 307         struct mt7615_phy *phy = mphy->priv;
 308         struct cfg80211_chan_def *chandef = &mphy->chandef;
 309
 310         memcpy(dev->mt76.alpha2, request->alpha2, sizeof(dev->mt76.alpha2));
 311         dev->mt76.region = request->dfs_region;
 312
 313         mt7615_mutex_acquire(dev);
 314
 315         if (chandef->chan->flags & IEEE80211_CHAN_RADAR)
 316                 mt7615_dfs_init_radar_detector(phy);
 317         if (mt7615_firmware_offload(phy->dev))
 318                 mt76_connac_mcu_set_channel_domain(mphy);
 319
 320         mt7615_mutex_release(dev);
 321 }
 322
 323 static void
 324 mt7615_init_wiphy(struct ieee80211_hw *hw)
 325 {
 326         struct mt7615_phy *phy = mt7615_hw_phy(hw);
 327         struct wiphy *wiphy = hw->wiphy;
 328
 329         hw->queues = 4;
 330         hw->max_rates = 3;
 331         hw->max_report_rates = 7;
 332         hw->max_rate_tries = 11;
 333
 334         phy->slottime = 9;
 335
 336         hw->sta_data_size = sizeof(struct mt7615_sta);
 337         hw->vif_data_size = sizeof(struct mt7615_vif);
 338
 339         if (is_mt7663(&phy->dev->mt76)) {
 340                 wiphy->iface_combinations = if_comb;
 341                 wiphy->n_iface_combinations = ARRAY_SIZE(if_comb);
 342         } else {
 343                 wiphy->iface_combinations = if_comb_radar;
 344                 wiphy->n_iface_combinations = ARRAY_SIZE(if_comb_radar);
 345         }
 346         wiphy->reg_notifier = mt7615_regd_notifier;
 347
 348         wiphy->max_sched_scan_plan_interval =
 349                 MT76_CONNAC_MAX_SCHED_SCAN_INTERVAL;
 350         wiphy->max_sched_scan_ie_len = IEEE80211_MAX_DATA_LEN;
 351         wiphy->max_scan_ie_len = MT76_CONNAC_SCAN_IE_LEN;
 352         wiphy->max_sched_scan_ssids = MT76_CONNAC_MAX_SCHED_SCAN_SSID;
 353         wiphy->max_match_sets = MT76_CONNAC_MAX_SCAN_MATCH;
 354         wiphy->max_sched_scan_reqs = 1;
 355         wiphy->max_scan_ssids = 4;
 356
 357         wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_SET_SCAN_DWELL);
 358         wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_VHT_IBSS);
 359
 360         ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS);
 361         ieee80211_hw_set(hw, TX_STATUS_NO_AMPDU_LEN);
 362         ieee80211_hw_set(hw, WANT_MONITOR_VIF);
 363
 364         if (is_mt7615(&phy->dev->mt76))
 365                 hw->max_tx_fragments = MT_TXP_MAX_BUF_NUM;
 366         else
 367                 hw->max_tx_fragments = MT_HW_TXP_MAX_BUF_NUM;
 368 }
 369
 370 static void
 371 mt7615_cap_dbdc_enable(struct mt7615_dev *dev)
 372 {
 373         dev->mphy.sband_5g.sband.vht_cap.cap &=
 374                         ~(IEEE80211_VHT_CAP_SHORT_GI_160 |
 375                           IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ);
 376         if (dev->chainmask == 0xf)
 377                 dev->mphy.antenna_mask = dev->chainmask >> 2;
 378         else
 379                 dev->mphy.antenna_mask = dev->chainmask >> 1;
 380         dev->mphy.chainmask = dev->mphy.antenna_mask;
 381         dev->mphy.hw->wiphy->available_antennas_rx = dev->mphy.chainmask;
 382         dev->mphy.hw->wiphy->available_antennas_tx = dev->mphy.chainmask;
 383         mt76_set_stream_caps(&dev->mphy, true);
 384 }
 385
 386 static void
 387 mt7615_cap_dbdc_disable(struct mt7615_dev *dev)
 388 {
 389         dev->mphy.sband_5g.sband.vht_cap.cap |=
 390                         IEEE80211_VHT_CAP_SHORT_GI_160 |
 391                         IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
 392         dev->mphy.antenna_mask = dev->chainmask;
 393         dev->mphy.chainmask = dev->chainmask;
 394         dev->mphy.hw->wiphy->available_antennas_rx = dev->chainmask;
 395         dev->mphy.hw->wiphy->available_antennas_tx = dev->chainmask;
 396         mt76_set_stream_caps(&dev->mphy, true);
 397 }
 398
 399 int mt7615_register_ext_phy(struct mt7615_dev *dev)
 400 {
 401         struct mt7615_phy *phy = mt7615_ext_phy(dev);
 402         struct mt76_phy *mphy;
 403         int i, ret;
 404
 405         if (!is_mt7615(&dev->mt76))
 406                 return -EOPNOTSUPP;
 407
 408         if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state))
 409                 return -EINVAL;
 410
 411         if (phy)
 412                 return 0;
 413
 414         mt7615_cap_dbdc_enable(dev);
 415         mphy = mt76_alloc_phy(&dev->mt76, sizeof(*phy), &mt7615_ops);
 416         if (!mphy)
 417                 return -ENOMEM;
 418
 419         phy = mphy->priv;
 420         phy->dev = dev;
 421         phy->mt76 = mphy;
 422         mphy->chainmask = dev->chainmask & ~dev->mphy.chainmask;
 423         mphy->antenna_mask = BIT(hweight8(mphy->chainmask)) - 1;
 424         mt7615_init_wiphy(mphy->hw);
 425
 426         INIT_DELAYED_WORK(&mphy->mac_work, mt7615_mac_work);
 427         INIT_DELAYED_WORK(&phy->scan_work, mt7615_scan_work);
 428         skb_queue_head_init(&phy->scan_event_list);
 429
 430         INIT_WORK(&phy->roc_work, mt7615_roc_work);
 431         timer_setup(&phy->roc_timer, mt7615_roc_timer, 0);
 432         init_waitqueue_head(&phy->roc_wait);
 433
 434         mt7615_mac_set_scs(phy, true);
 435
 436         /*
 437          * Make the secondary PHY MAC address local without overlapping with
 438          * the usual MAC address allocation scheme on multiple virtual interfaces
 439          */
 440         memcpy(mphy->macaddr, dev->mt76.eeprom.data + MT_EE_MAC_ADDR,
 441                ETH_ALEN);
 442         mphy->macaddr[0] |= 2;
 443         mphy->macaddr[0] ^= BIT(7);
 444         mt76_eeprom_override(mphy);
 445
 446         /* second phy can only handle 5 GHz */
 447         mphy->cap.has_5ghz = true;
 448
 449         /* mt7615 second phy shares the same hw queues with the primary one */
 450         for (i = 0; i <= MT_TXQ_PSD ; i++)
 451                 mphy->q_tx[i] = dev->mphy.q_tx[i];
 452
 453         ret = mt76_register_phy(mphy, true, mt7615_rates,
 454                                 ARRAY_SIZE(mt7615_rates));
 455         if (ret)
 456                 ieee80211_free_hw(mphy->hw);
 457
 458         return ret;
 459 }
 460 EXPORT_SYMBOL_GPL(mt7615_register_ext_phy);
 461
 462 void mt7615_unregister_ext_phy(struct mt7615_dev *dev)
 463 {
 464         struct mt7615_phy *phy = mt7615_ext_phy(dev);
 465         struct mt76_phy *mphy = dev->mt76.phy2;
 466
 467         if (!phy)
 468                 return;
 469
 470         mt7615_cap_dbdc_disable(dev);
 471         mt76_unregister_phy(mphy);
 472         ieee80211_free_hw(mphy->hw);
 473 }
 474 EXPORT_SYMBOL_GPL(mt7615_unregister_ext_phy);
 475
 476 void mt7615_init_device(struct mt7615_dev *dev)
 477 {
 478         struct ieee80211_hw *hw = mt76_hw(dev);
 479
 480         dev->phy.dev = dev;
 481         dev->phy.mt76 = &dev->mt76.phy;
 482         dev->mt76.phy.priv = &dev->phy;
 483
 484         INIT_DELAYED_WORK(&dev->pm.ps_work, mt7615_pm_power_save_work);
 485         INIT_WORK(&dev->pm.wake_work, mt7615_pm_wake_work);
 486         init_completion(&dev->pm.wake_cmpl);
 487         spin_lock_init(&dev->pm.txq_lock);
 488         set_bit(MT76_STATE_PM, &dev->mphy.state);
 489         INIT_DELAYED_WORK(&dev->mphy.mac_work, mt7615_mac_work);
 490         INIT_DELAYED_WORK(&dev->phy.scan_work, mt7615_scan_work);
 491         skb_queue_head_init(&dev->phy.scan_event_list);
 492         INIT_LIST_HEAD(&dev->sta_poll_list);
 493         spin_lock_init(&dev->sta_poll_lock);
 494         init_waitqueue_head(&dev->reset_wait);
 495         init_waitqueue_head(&dev->phy.roc_wait);
 496
 497         INIT_WORK(&dev->reset_work, mt7615_mac_reset_work);
 498         INIT_WORK(&dev->phy.roc_work, mt7615_roc_work);
 499         timer_setup(&dev->phy.roc_timer, mt7615_roc_timer, 0);
 500
 501         mt7615_init_wiphy(hw);
 502         dev->pm.idle_timeout = MT7615_PM_TIMEOUT;
 503         dev->mphy.sband_2g.sband.ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING;
 504         dev->mphy.sband_5g.sband.ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING;
 505         dev->mphy.sband_5g.sband.vht_cap.cap |=
 506                         IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK;
 507         mt7615_cap_dbdc_disable(dev);
 508         dev->phy.dfs_state = -1;
 509
 510 #ifdef CONFIG_NL80211_TESTMODE
 511         dev->mt76.test_ops = &mt7615_testmode_ops;
 512 #endif
 513 }
 514 EXPORT_SYMBOL_GPL(mt7615_init_device);