/drivers/net/wireless/mediatek/mt76/mt7615/init.c
C | 461 lines | 368 code | 75 blank | 18 comment | 23 complexity | 54c2ece30f1ef00eab3f28bb605b8eb9 MD5 | raw file
Possible License(s): LGPL-2.0, AGPL-1.0, GPL-2.0
- // 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);
- 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;
- /* The second interface does not get any packets unless it has a vif */
- ieee80211_hw_set(mphy->hw, WANT_MONITOR_VIF);
- 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->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;
- }
- EXPORT_SYMBOL_GPL(mt7615_init_device);