// SPDX-License-Identifier: ISC /* Copyright (C) 2019 MediaTek Inc. * * Author: Roy Luo <royluo@google.com> * Ryder Lee <ryder.lee@mediatek.com> * Felix Fietkau <nbd@nbd.name> * Lorenzo Bianconi <lorenzo@kernel.org> */ #include <linux/etherdevice.h> #include "mt7615.h" #include "mac.h" #include "eeprom.h" void mt7615_phy_init(struct mt7615_dev *dev) { /* disable rf low power beacon mode */ mt76_set(dev, MT_WF_PHY_WF2_RFCTRL0(0), MT_WF_PHY_WF2_RFCTRL0_LPBCN_EN); mt76_set(dev, MT_WF_PHY_WF2_RFCTRL0(1), MT_WF_PHY_WF2_RFCTRL0_LPBCN_EN); } EXPORT_SYMBOL_GPL(mt7615_phy_init); static void mt7615_init_mac_chain(struct mt7615_dev *dev, int chain) { u32 val; if (!chain) val = MT_CFG_CCR_MAC_D0_1X_GC_EN | MT_CFG_CCR_MAC_D0_2X_GC_EN; else val = MT_CFG_CCR_MAC_D1_1X_GC_EN | MT_CFG_CCR_MAC_D1_2X_GC_EN; /* enable band 0/1 clk */ mt76_set(dev, MT_CFG_CCR, val); mt76_rmw(dev, MT_TMAC_TRCR(chain), MT_TMAC_TRCR_CCA_SEL | MT_TMAC_TRCR_SEC_CCA_SEL, FIELD_PREP(MT_TMAC_TRCR_CCA_SEL, 2) | FIELD_PREP(MT_TMAC_TRCR_SEC_CCA_SEL, 0)); mt76_wr(dev, MT_AGG_ACR(chain), MT_AGG_ACR_PKT_TIME_EN | MT_AGG_ACR_NO_BA_AR_RULE | FIELD_PREP(MT_AGG_ACR_CFEND_RATE, MT7615_CFEND_RATE_DEFAULT) | FIELD_PREP(MT_AGG_ACR_BAR_RATE, MT7615_BAR_RATE_DEFAULT)); mt76_wr(dev, MT_AGG_ARUCR(chain), FIELD_PREP(MT_AGG_ARxCR_LIMIT(0), 7) | FIELD_PREP(MT_AGG_ARxCR_LIMIT(1), 2) | FIELD_PREP(MT_AGG_ARxCR_LIMIT(2), 2) | FIELD_PREP(MT_AGG_ARxCR_LIMIT(3), 2) | FIELD_PREP(MT_AGG_ARxCR_LIMIT(4), 1) | FIELD_PREP(MT_AGG_ARxCR_LIMIT(5), 1) | FIELD_PREP(MT_AGG_ARxCR_LIMIT(6), 1) | FIELD_PREP(MT_AGG_ARxCR_LIMIT(7), 1)); mt76_wr(dev, MT_AGG_ARDCR(chain), FIELD_PREP(MT_AGG_ARxCR_LIMIT(0), MT7615_RATE_RETRY - 1) | FIELD_PREP(MT_AGG_ARxCR_LIMIT(1), MT7615_RATE_RETRY - 1) | FIELD_PREP(MT_AGG_ARxCR_LIMIT(2), MT7615_RATE_RETRY - 1) | FIELD_PREP(MT_AGG_ARxCR_LIMIT(3), MT7615_RATE_RETRY - 1) | FIELD_PREP(MT_AGG_ARxCR_LIMIT(4), MT7615_RATE_RETRY - 1) | FIELD_PREP(MT_AGG_ARxCR_LIMIT(5), MT7615_RATE_RETRY - 1) | FIELD_PREP(MT_AGG_ARxCR_LIMIT(6), MT7615_RATE_RETRY - 1) | FIELD_PREP(MT_AGG_ARxCR_LIMIT(7), MT7615_RATE_RETRY - 1)); mt76_clear(dev, MT_DMA_RCFR0(chain), MT_DMA_RCFR0_MCU_RX_TDLS); if (!mt7615_firmware_offload(dev)) { u32 mask, set; mask = MT_DMA_RCFR0_MCU_RX_MGMT | MT_DMA_RCFR0_MCU_RX_CTL_NON_BAR | MT_DMA_RCFR0_MCU_RX_CTL_BAR | MT_DMA_RCFR0_MCU_RX_BYPASS | MT_DMA_RCFR0_RX_DROPPED_UCAST | MT_DMA_RCFR0_RX_DROPPED_MCAST; set = FIELD_PREP(MT_DMA_RCFR0_RX_DROPPED_UCAST, 2) | FIELD_PREP(MT_DMA_RCFR0_RX_DROPPED_MCAST, 2); mt76_rmw(dev, MT_DMA_RCFR0(chain), mask, set); } } void mt7615_mac_init(struct mt7615_dev *dev) { int i; mt7615_init_mac_chain(dev, 0); mt76_rmw_field(dev, MT_TMAC_CTCR0, MT_TMAC_CTCR0_INS_DDLMT_REFTIME, 0x3f); mt76_rmw_field(dev, MT_TMAC_CTCR0, MT_TMAC_CTCR0_INS_DDLMT_DENSITY, 0x3); mt76_rmw(dev, MT_TMAC_CTCR0, MT_TMAC_CTCR0_INS_DDLMT_VHT_SMPDU_EN | MT_TMAC_CTCR0_INS_DDLMT_EN, MT_TMAC_CTCR0_INS_DDLMT_VHT_SMPDU_EN | MT_TMAC_CTCR0_INS_DDLMT_EN); mt7615_mcu_set_rts_thresh(&dev->phy, 0x92b); mt7615_mac_set_scs(&dev->phy, true); mt76_rmw(dev, MT_AGG_SCR, MT_AGG_SCR_NLNAV_MID_PTEC_DIS, MT_AGG_SCR_NLNAV_MID_PTEC_DIS); mt76_wr(dev, MT_AGG_ARCR, FIELD_PREP(MT_AGG_ARCR_RTS_RATE_THR, 2) | MT_AGG_ARCR_RATE_DOWN_RATIO_EN | FIELD_PREP(MT_AGG_ARCR_RATE_DOWN_RATIO, 1) | FIELD_PREP(MT_AGG_ARCR_RATE_UP_EXTRA_TH, 4)); for (i = 0; i < MT7615_WTBL_SIZE; i++) mt7615_mac_wtbl_update(dev, i, MT_WTBL_UPDATE_ADM_COUNT_CLEAR); mt76_set(dev, MT_WF_RMAC_MIB_TIME0, MT_WF_RMAC_MIB_RXTIME_EN); mt76_set(dev, MT_WF_RMAC_MIB_AIRTIME0, MT_WF_RMAC_MIB_RXTIME_EN); /* disable hdr translation and hw AMSDU */ mt76_wr(dev, MT_DMA_DCR0, FIELD_PREP(MT_DMA_DCR0_MAX_RX_LEN, 3072) | MT_DMA_DCR0_RX_VEC_DROP); /* disable TDLS filtering */ mt76_clear(dev, MT_WF_PFCR, MT_WF_PFCR_TDLS_EN); mt76_set(dev, MT_WF_MIB_SCR0, MT_MIB_SCR0_AGG_CNT_RANGE_EN); if (is_mt7663(&dev->mt76)) { mt76_wr(dev, MT_WF_AGG(0x160), 0x5c341c02); mt76_wr(dev, MT_WF_AGG(0x164), 0x70708040); } else { mt7615_init_mac_chain(dev, 1); } } EXPORT_SYMBOL_GPL(mt7615_mac_init); void mt7615_check_offload_capability(struct mt7615_dev *dev) { struct ieee80211_hw *hw = mt76_hw(dev); struct wiphy *wiphy = hw->wiphy; if (mt7615_firmware_offload(dev)) { ieee80211_hw_set(hw, SUPPORTS_PS); ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS); wiphy->max_remain_on_channel_duration = 5000; wiphy->features |= NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR | NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR | WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | NL80211_FEATURE_P2P_GO_CTWIN | NL80211_FEATURE_P2P_GO_OPPPS; } else { dev->ops->hw_scan = NULL; dev->ops->cancel_hw_scan = NULL; dev->ops->sched_scan_start = NULL; dev->ops->sched_scan_stop = NULL; dev->ops->set_rekey_data = NULL; dev->ops->remain_on_channel = NULL; dev->ops->cancel_remain_on_channel = NULL; wiphy->max_sched_scan_plan_interval = 0; wiphy->max_sched_scan_ie_len = 0; wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN; wiphy->max_sched_scan_ssids = 0; wiphy->max_match_sets = 0; wiphy->max_sched_scan_reqs = 0; } } EXPORT_SYMBOL_GPL(mt7615_check_offload_capability); bool mt7615_wait_for_mcu_init(struct mt7615_dev *dev) { flush_work(&dev->mcu_work); return test_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state); } EXPORT_SYMBOL_GPL(mt7615_wait_for_mcu_init); #define CCK_RATE(_idx, _rate) { \ .bitrate = _rate, \ .flags = IEEE80211_RATE_SHORT_PREAMBLE, \ .hw_value = (MT_PHY_TYPE_CCK << 8) | (_idx), \ .hw_value_short = (MT_PHY_TYPE_CCK << 8) | (4 + (_idx)), \ } #define OFDM_RATE(_idx, _rate) { \ .bitrate = _rate, \ .hw_value = (MT_PHY_TYPE_OFDM << 8) | (_idx), \ .hw_value_short = (MT_PHY_TYPE_OFDM << 8) | (_idx), \ } struct ieee80211_rate mt7615_rates[] = { CCK_RATE(0, 10), CCK_RATE(1, 20), CCK_RATE(2, 55), CCK_RATE(3, 110), OFDM_RATE(11, 60), OFDM_RATE(15, 90), OFDM_RATE(10, 120), OFDM_RATE(14, 180), OFDM_RATE(9, 240), OFDM_RATE(13, 360), OFDM_RATE(8, 480), OFDM_RATE(12, 540), }; EXPORT_SYMBOL_GPL(mt7615_rates); static const struct ieee80211_iface_limit if_limits[] = { { .max = 1, .types = BIT(NL80211_IFTYPE_ADHOC) }, { .max = MT7615_MAX_INTERFACES, .types = BIT(NL80211_IFTYPE_AP) | #ifdef CONFIG_MAC80211_MESH BIT(NL80211_IFTYPE_MESH_POINT) | #endif BIT(NL80211_IFTYPE_P2P_CLIENT) | BIT(NL80211_IFTYPE_P2P_GO) | BIT(NL80211_IFTYPE_STATION) } }; static const struct ieee80211_iface_combination if_comb[] = { { .limits = if_limits, .n_limits = ARRAY_SIZE(if_limits), .max_interfaces = 4, .num_different_channels = 1, .beacon_int_infra_match = true, } }; void mt7615_init_txpower(struct mt7615_dev *dev, struct ieee80211_supported_band *sband) { int i, n_chains = hweight8(dev->mphy.antenna_mask), target_chains; int delta_idx, delta = mt76_tx_power_nss_delta(n_chains); u8 *eep = (u8 *)dev->mt76.eeprom.data; enum nl80211_band band = sband->band; u8 rate_val; delta_idx = mt7615_eeprom_get_power_delta_index(dev, band); rate_val = eep[delta_idx]; if ((rate_val & ~MT_EE_RATE_POWER_MASK) == (MT_EE_RATE_POWER_EN | MT_EE_RATE_POWER_SIGN)) delta += rate_val & MT_EE_RATE_POWER_MASK; if (!is_mt7663(&dev->mt76) && mt7615_ext_pa_enabled(dev, band)) target_chains = 1; else target_chains = n_chains; for (i = 0; i < sband->n_channels; i++) { struct ieee80211_channel *chan = &sband->channels[i]; u8 target_power = 0; int j; for (j = 0; j < target_chains; j++) { int index; index = mt7615_eeprom_get_target_power_index(dev, chan, j); if (index < 0) continue; target_power = max(target_power, eep[index]); } target_power = DIV_ROUND_UP(target_power + delta, 2); chan->max_power = min_t(int, chan->max_reg_power, target_power); chan->orig_mpwr = target_power; } } EXPORT_SYMBOL_GPL(mt7615_init_txpower); static void mt7615_regd_notifier(struct wiphy *wiphy, struct regulatory_request *request) { struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); struct mt7615_dev *dev = mt7615_hw_dev(hw); struct mt76_phy *mphy = hw->priv; struct mt7615_phy *phy = mphy->priv; struct cfg80211_chan_def *chandef = &mphy->chandef; dev->mt76.region = request->dfs_region; if (!(chandef->chan->flags & IEEE80211_CHAN_RADAR)) return; mt7615_dfs_init_radar_detector(phy); } static void mt7615_init_wiphy(struct ieee80211_hw *hw) { struct mt7615_phy *phy = mt7615_hw_phy(hw); struct wiphy *wiphy = hw->wiphy; hw->queues = 4; hw->max_rates = 3; hw->max_report_rates = 7; hw->max_rate_tries = 11; phy->slottime = 9; hw->sta_data_size = sizeof(struct mt7615_sta); hw->vif_data_size = sizeof(struct mt7615_vif); wiphy->iface_combinations = if_comb; wiphy->n_iface_combinations = ARRAY_SIZE(if_comb); wiphy->reg_notifier = mt7615_regd_notifier; wiphy->max_sched_scan_plan_interval = MT7615_MAX_SCHED_SCAN_INTERVAL; wiphy->max_sched_scan_ie_len = IEEE80211_MAX_DATA_LEN; wiphy->max_scan_ie_len = MT7615_SCAN_IE_LEN; wiphy->max_sched_scan_ssids = MT7615_MAX_SCHED_SCAN_SSID; wiphy->max_match_sets = MT7615_MAX_SCAN_MATCH; wiphy->max_sched_scan_reqs = 1; wiphy->max_scan_ssids = 4; wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_SET_SCAN_DWELL); wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_VHT_IBSS); ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS); ieee80211_hw_set(hw, TX_STATUS_NO_AMPDU_LEN); ieee80211_hw_set(hw, WANT_MONITOR_VIF); if (is_mt7615(&phy->dev->mt76)) hw->max_tx_fragments = MT_TXP_MAX_BUF_NUM; else hw->max_tx_fragments = MT_HW_TXP_MAX_BUF_NUM; } static void mt7615_cap_dbdc_enable(struct mt7615_dev *dev) { dev->mphy.sband_5g.sband.vht_cap.cap &= ~(IEEE80211_VHT_CAP_SHORT_GI_160 | IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ); if (dev->chainmask == 0xf) dev->mphy.antenna_mask = dev->chainmask >> 2; else dev->mphy.antenna_mask = dev->chainmask >> 1; dev->phy.chainmask = dev->mphy.antenna_mask; dev->mphy.hw->wiphy->available_antennas_rx = dev->phy.chainmask; dev->mphy.hw->wiphy->available_antennas_tx = dev->phy.chainmask; mt76_set_stream_caps(&dev->mphy, true); } static void mt7615_cap_dbdc_disable(struct mt7615_dev *dev) { dev->mphy.sband_5g.sband.vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_160 | IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ; dev->mphy.antenna_mask = dev->chainmask; dev->phy.chainmask = dev->chainmask; dev->mphy.hw->wiphy->available_antennas_rx = dev->chainmask; dev->mphy.hw->wiphy->available_antennas_tx = dev->chainmask; mt76_set_stream_caps(&dev->mphy, true); } int mt7615_register_ext_phy(struct mt7615_dev *dev) { struct mt7615_phy *phy = mt7615_ext_phy(dev); struct mt76_phy *mphy; int ret; if (!is_mt7615(&dev->mt76)) return -EOPNOTSUPP; if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state)) return -EINVAL; if (phy) return 0; mt7615_cap_dbdc_enable(dev); mphy = mt76_alloc_phy(&dev->mt76, sizeof(*phy), &mt7615_ops); if (!mphy) return -ENOMEM; phy = mphy->priv; phy->dev = dev; phy->mt76 = mphy; phy->chainmask = dev->chainmask & ~dev->phy.chainmask; mphy->antenna_mask = BIT(hweight8(phy->chainmask)) - 1; mt7615_init_wiphy(mphy->hw); INIT_DELAYED_WORK(&phy->mac_work, mt7615_mac_work); INIT_DELAYED_WORK(&phy->scan_work, mt7615_scan_work); skb_queue_head_init(&phy->scan_event_list); INIT_WORK(&phy->roc_work, mt7615_roc_work); timer_setup(&phy->roc_timer, mt7615_roc_timer, 0); init_waitqueue_head(&phy->roc_wait); mt7615_mac_set_scs(phy, true); /* * Make the secondary PHY MAC address local without overlapping with * the usual MAC address allocation scheme on multiple virtual interfaces */ mphy->hw->wiphy->perm_addr[0] |= 2; mphy->hw->wiphy->perm_addr[0] ^= BIT(7); /* second phy can only handle 5 GHz */ mphy->sband_2g.sband.n_channels = 0; mphy->hw->wiphy->bands[NL80211_BAND_2GHZ] = NULL; ret = mt76_register_phy(mphy); if (ret) ieee80211_free_hw(mphy->hw); return ret; } EXPORT_SYMBOL_GPL(mt7615_register_ext_phy); void mt7615_unregister_ext_phy(struct mt7615_dev *dev) { struct mt7615_phy *phy = mt7615_ext_phy(dev); struct mt76_phy *mphy = dev->mt76.phy2; if (!phy) return; mt7615_cap_dbdc_disable(dev); mt76_unregister_phy(mphy); ieee80211_free_hw(mphy->hw); } EXPORT_SYMBOL_GPL(mt7615_unregister_ext_phy); void mt7615_init_device(struct mt7615_dev *dev) { struct ieee80211_hw *hw = mt76_hw(dev); dev->phy.dev = dev; dev->phy.mt76 = &dev->mt76.phy; dev->mt76.phy.priv = &dev->phy; INIT_DELAYED_WORK(&dev->pm.ps_work, mt7615_pm_power_save_work); INIT_WORK(&dev->pm.wake_work, mt7615_pm_wake_work); init_completion(&dev->pm.wake_cmpl); INIT_DELAYED_WORK(&dev->phy.mac_work, mt7615_mac_work); INIT_DELAYED_WORK(&dev->phy.scan_work, mt7615_scan_work); skb_queue_head_init(&dev->phy.scan_event_list); INIT_LIST_HEAD(&dev->sta_poll_list); spin_lock_init(&dev->sta_poll_lock); init_waitqueue_head(&dev->reset_wait); init_waitqueue_head(&dev->phy.roc_wait); INIT_WORK(&dev->reset_work, mt7615_mac_reset_work); INIT_WORK(&dev->phy.roc_work, mt7615_roc_work); timer_setup(&dev->phy.roc_timer, mt7615_roc_timer, 0); mt7615_init_wiphy(hw); dev->mphy.sband_2g.sband.ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING; dev->mphy.sband_5g.sband.ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING; dev->mphy.sband_5g.sband.vht_cap.cap |= IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 | IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK; mt7615_cap_dbdc_disable(dev); dev->phy.dfs_state = -1; #ifdef CONFIG_NL80211_TESTMODE dev->mt76.test_ops = &mt7615_testmode_ops; #endif } EXPORT_SYMBOL_GPL(mt7615_init_device);