// SPDX-License-Identifier: ISC #include #include "mt7603.h" #include "mac.h" #include "eeprom.h" const struct mt76_driver_ops mt7603_drv_ops = { .txwi_size = MT_TXD_SIZE, .drv_flags = MT_DRV_SW_RX_AIRTIME, .survey_flags = SURVEY_INFO_TIME_TX, .tx_prepare_skb = mt7603_tx_prepare_skb, .tx_complete_skb = mt7603_tx_complete_skb, .rx_skb = mt7603_queue_rx_skb, .rx_poll_complete = mt7603_rx_poll_complete, .sta_ps = mt7603_sta_ps, .sta_add = mt7603_sta_add, .sta_assoc = mt7603_sta_assoc, .sta_remove = mt7603_sta_remove, .update_survey = mt7603_update_channel, }; static void mt7603_set_tmac_template(struct mt7603_dev *dev) { u32 desc[5] = { [1] = FIELD_PREP(MT_TXD3_REM_TX_COUNT, 0xf), [3] = MT_TXD5_SW_POWER_MGMT }; u32 addr; int i; addr = mt7603_reg_map(dev, MT_CLIENT_BASE_PHYS_ADDR); addr += MT_CLIENT_TMAC_INFO_TEMPLATE; for (i = 0; i < ARRAY_SIZE(desc); i++) mt76_wr(dev, addr + 4 * i, desc[i]); } static void mt7603_dma_sched_init(struct mt7603_dev *dev) { int page_size = 128; int page_count; int max_len = 1792; int max_amsdu_pages = 4096 / page_size; int max_mcu_len = 4096; int max_beacon_len = 512 * 4 + max_len; int max_mcast_pages = 4 * max_len / page_size; int reserved_count = 0; int beacon_pages; int mcu_pages; int i; page_count = mt76_get_field(dev, MT_PSE_FC_P0, MT_PSE_FC_P0_MAX_QUOTA); beacon_pages = 4 * (max_beacon_len / page_size); mcu_pages = max_mcu_len / page_size; mt76_wr(dev, MT_PSE_FRP, FIELD_PREP(MT_PSE_FRP_P0, 7) | FIELD_PREP(MT_PSE_FRP_P1, 6) | FIELD_PREP(MT_PSE_FRP_P2_RQ2, 4)); mt76_wr(dev, MT_HIGH_PRIORITY_1, 0x55555553); mt76_wr(dev, MT_HIGH_PRIORITY_2, 0x78555555); mt76_wr(dev, MT_QUEUE_PRIORITY_1, 0x2b1a096e); mt76_wr(dev, MT_QUEUE_PRIORITY_2, 0x785f4d3c); mt76_wr(dev, MT_PRIORITY_MASK, 0xffffffff); mt76_wr(dev, MT_SCH_1, page_count | (2 << 28)); mt76_wr(dev, MT_SCH_2, max_amsdu_pages); for (i = 0; i <= 4; i++) mt76_wr(dev, MT_PAGE_COUNT(i), max_amsdu_pages); reserved_count += 5 * max_amsdu_pages; mt76_wr(dev, MT_PAGE_COUNT(5), mcu_pages); reserved_count += mcu_pages; mt76_wr(dev, MT_PAGE_COUNT(7), beacon_pages); reserved_count += beacon_pages; mt76_wr(dev, MT_PAGE_COUNT(8), max_mcast_pages); reserved_count += max_mcast_pages; if (is_mt7603(dev)) reserved_count = 0; mt76_wr(dev, MT_RSV_MAX_THRESH, page_count - reserved_count); if (is_mt7603(dev) && mt76xx_rev(dev) >= MT7603_REV_E2) { mt76_wr(dev, MT_GROUP_THRESH(0), page_count - beacon_pages - mcu_pages); mt76_wr(dev, MT_GROUP_THRESH(1), beacon_pages); mt76_wr(dev, MT_BMAP_0, 0x0080ff5f); mt76_wr(dev, MT_GROUP_THRESH(2), mcu_pages); mt76_wr(dev, MT_BMAP_1, 0x00000020); } else { mt76_wr(dev, MT_GROUP_THRESH(0), page_count); mt76_wr(dev, MT_BMAP_0, 0xffff); } mt76_wr(dev, MT_SCH_4, 0); for (i = 0; i <= 15; i++) mt76_wr(dev, MT_TXTIME_THRESH(i), 0xfffff); mt76_set(dev, MT_SCH_4, BIT(6)); } static void mt7603_phy_init(struct mt7603_dev *dev) { int rx_chains = dev->mphy.antenna_mask; int tx_chains = hweight8(rx_chains) - 1; mt76_rmw(dev, MT_WF_RMAC_RMCR, (MT_WF_RMAC_RMCR_SMPS_MODE | MT_WF_RMAC_RMCR_RX_STREAMS), (FIELD_PREP(MT_WF_RMAC_RMCR_SMPS_MODE, 3) | FIELD_PREP(MT_WF_RMAC_RMCR_RX_STREAMS, rx_chains))); mt76_rmw_field(dev, MT_TMAC_TCR, MT_TMAC_TCR_TX_STREAMS, tx_chains); dev->agc0 = mt76_rr(dev, MT_AGC(0)); dev->agc3 = mt76_rr(dev, MT_AGC(3)); } static void mt7603_mac_init(struct mt7603_dev *dev) { u8 bc_addr[ETH_ALEN]; u32 addr; int i; mt76_wr(dev, MT_AGG_BA_SIZE_LIMIT_0, (MT_AGG_SIZE_LIMIT(0) << 0 * MT_AGG_BA_SIZE_LIMIT_SHIFT) | (MT_AGG_SIZE_LIMIT(1) << 1 * MT_AGG_BA_SIZE_LIMIT_SHIFT) | (MT_AGG_SIZE_LIMIT(2) << 2 * MT_AGG_BA_SIZE_LIMIT_SHIFT) | (MT_AGG_SIZE_LIMIT(3) << 3 * MT_AGG_BA_SIZE_LIMIT_SHIFT)); mt76_wr(dev, MT_AGG_BA_SIZE_LIMIT_1, (MT_AGG_SIZE_LIMIT(4) << 0 * MT_AGG_BA_SIZE_LIMIT_SHIFT) | (MT_AGG_SIZE_LIMIT(5) << 1 * MT_AGG_BA_SIZE_LIMIT_SHIFT) | (MT_AGG_SIZE_LIMIT(6) << 2 * MT_AGG_BA_SIZE_LIMIT_SHIFT) | (MT_AGG_SIZE_LIMIT(7) << 3 * MT_AGG_BA_SIZE_LIMIT_SHIFT)); mt76_wr(dev, MT_AGG_LIMIT, FIELD_PREP(MT_AGG_LIMIT_AC(0), 24) | FIELD_PREP(MT_AGG_LIMIT_AC(1), 24) | FIELD_PREP(MT_AGG_LIMIT_AC(2), 24) | FIELD_PREP(MT_AGG_LIMIT_AC(3), 24)); mt76_wr(dev, MT_AGG_LIMIT_1, FIELD_PREP(MT_AGG_LIMIT_AC(0), 24) | FIELD_PREP(MT_AGG_LIMIT_AC(1), 24) | FIELD_PREP(MT_AGG_LIMIT_AC(2), 24) | FIELD_PREP(MT_AGG_LIMIT_AC(3), 24)); mt76_wr(dev, MT_AGG_CONTROL, FIELD_PREP(MT_AGG_CONTROL_BAR_RATE, 0x4b) | FIELD_PREP(MT_AGG_CONTROL_CFEND_RATE, 0x69) | MT_AGG_CONTROL_NO_BA_AR_RULE); mt76_wr(dev, MT_AGG_RETRY_CONTROL, FIELD_PREP(MT_AGG_RETRY_CONTROL_BAR_LIMIT, 1) | FIELD_PREP(MT_AGG_RETRY_CONTROL_RTS_LIMIT, 15)); mt76_wr(dev, MT_DMA_DCR0, MT_DMA_DCR0_RX_VEC_DROP | FIELD_PREP(MT_DMA_DCR0_MAX_RX_LEN, 4096)); mt76_rmw(dev, MT_DMA_VCFR0, BIT(0), BIT(13)); mt76_rmw(dev, MT_DMA_TMCFR0, BIT(0) | BIT(1), BIT(13)); mt76_clear(dev, MT_WF_RMAC_TMR_PA, BIT(31)); mt76_set(dev, MT_WF_RMACDR, MT_WF_RMACDR_MAXLEN_20BIT); mt76_rmw(dev, MT_WF_RMAC_MAXMINLEN, 0xffffff, 0x19000); mt76_wr(dev, MT_WF_RFCR1, 0); mt76_set(dev, MT_TMAC_TCR, MT_TMAC_TCR_RX_RIFS_MODE); mt7603_set_tmac_template(dev); /* Enable RX group to HIF */ addr = mt7603_reg_map(dev, MT_CLIENT_BASE_PHYS_ADDR); mt76_set(dev, addr + MT_CLIENT_RXINF, MT_CLIENT_RXINF_RXSH_GROUPS); /* Enable RX group to MCU */ mt76_set(dev, MT_DMA_DCR1, GENMASK(13, 11)); mt76_rmw_field(dev, MT_AGG_PCR_RTS, MT_AGG_PCR_RTS_PKT_THR, 3); mt76_set(dev, MT_TMAC_PCR, MT_TMAC_PCR_SPE_EN); /* include preamble detection in CCA trigger signal */ mt76_rmw_field(dev, MT_TXREQ, MT_TXREQ_CCA_SRC_SEL, 2); mt76_wr(dev, MT_RXREQ, 4); /* Configure all rx packets to HIF */ mt76_wr(dev, MT_DMA_RCFR0, 0xc0000000); /* Configure MCU txs selection with aggregation */ mt76_wr(dev, MT_DMA_TCFR0, FIELD_PREP(MT_DMA_TCFR_TXS_AGGR_TIMEOUT, 1) | /* 32 us */ MT_DMA_TCFR_TXS_AGGR_COUNT); /* Configure HIF txs selection with aggregation */ mt76_wr(dev, MT_DMA_TCFR1, FIELD_PREP(MT_DMA_TCFR_TXS_AGGR_TIMEOUT, 1) | /* 32 us */ MT_DMA_TCFR_TXS_AGGR_COUNT | /* Maximum count */ MT_DMA_TCFR_TXS_BIT_MAP); mt76_wr(dev, MT_MCU_PCIE_REMAP_1, MT_PSE_WTBL_2_PHYS_ADDR); for (i = 0; i < MT7603_WTBL_SIZE; i++) mt7603_wtbl_clear(dev, i); eth_broadcast_addr(bc_addr); mt7603_wtbl_init(dev, MT7603_WTBL_RESERVED, -1, bc_addr); dev->global_sta.wcid.idx = MT7603_WTBL_RESERVED; rcu_assign_pointer(dev->mt76.wcid[MT7603_WTBL_RESERVED], &dev->global_sta.wcid); mt76_rmw_field(dev, MT_LPON_BTEIR, MT_LPON_BTEIR_MBSS_MODE, 2); mt76_rmw_field(dev, MT_WF_RMACDR, MT_WF_RMACDR_MBSSID_MASK, 2); mt76_wr(dev, MT_AGG_ARUCR, 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, FIELD_PREP(MT_AGG_ARxCR_LIMIT(0), MT7603_RATE_RETRY - 1) | FIELD_PREP(MT_AGG_ARxCR_LIMIT(1), MT7603_RATE_RETRY - 1) | FIELD_PREP(MT_AGG_ARxCR_LIMIT(2), MT7603_RATE_RETRY - 1) | FIELD_PREP(MT_AGG_ARxCR_LIMIT(3), MT7603_RATE_RETRY - 1) | FIELD_PREP(MT_AGG_ARxCR_LIMIT(4), MT7603_RATE_RETRY - 1) | FIELD_PREP(MT_AGG_ARxCR_LIMIT(5), MT7603_RATE_RETRY - 1) | FIELD_PREP(MT_AGG_ARxCR_LIMIT(6), MT7603_RATE_RETRY - 1) | FIELD_PREP(MT_AGG_ARxCR_LIMIT(7), MT7603_RATE_RETRY - 1)); 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))); mt76_set(dev, MT_WTBL_RMVTCR, MT_WTBL_RMVTCR_RX_MV_MODE); mt76_clear(dev, MT_SEC_SCR, MT_SEC_SCR_MASK_ORDER); mt76_clear(dev, MT_SEC_SCR, BIT(18)); /* Set secondary beacon time offsets */ for (i = 0; i <= 4; i++) mt76_rmw_field(dev, MT_LPON_SBTOR(i), MT_LPON_SBTOR_TIME_OFFSET, (i + 1) * (20 + 4096)); } static int mt7603_init_hardware(struct mt7603_dev *dev) { int i, ret; mt76_wr(dev, MT_INT_SOURCE_CSR, ~0); ret = mt7603_eeprom_init(dev); if (ret < 0) return ret; ret = mt7603_dma_init(dev); if (ret) return ret; mt76_wr(dev, MT_WPDMA_GLO_CFG, 0x52000850); mt7603_mac_dma_start(dev); dev->rxfilter = mt76_rr(dev, MT_WF_RFCR); set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state); for (i = 0; i < MT7603_WTBL_SIZE; i++) { mt76_wr(dev, MT_PSE_RTA, MT_PSE_RTA_BUSY | MT_PSE_RTA_WRITE | FIELD_PREP(MT_PSE_RTA_TAG_ID, i)); mt76_poll(dev, MT_PSE_RTA, MT_PSE_RTA_BUSY, 0, 5000); } ret = mt7603_mcu_init(dev); if (ret) return ret; mt7603_dma_sched_init(dev); mt7603_mcu_set_eeprom(dev); mt7603_phy_init(dev); mt7603_mac_init(dev); return 0; } #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), \ } static struct ieee80211_rate mt7603_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), }; static const struct ieee80211_iface_limit if_limits[] = { { .max = 1, .types = BIT(NL80211_IFTYPE_ADHOC) }, { .max = MT7603_MAX_INTERFACES, .types = BIT(NL80211_IFTYPE_STATION) | #ifdef CONFIG_MAC80211_MESH BIT(NL80211_IFTYPE_MESH_POINT) | #endif BIT(NL80211_IFTYPE_AP) }, }; 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, } }; static void mt7603_led_set_config(struct mt76_dev *mt76, u8 delay_on, u8 delay_off) { struct mt7603_dev *dev = container_of(mt76, struct mt7603_dev, mt76); u32 val, addr; val = FIELD_PREP(MT_LED_STATUS_DURATION, 0xffff) | FIELD_PREP(MT_LED_STATUS_OFF, delay_off) | FIELD_PREP(MT_LED_STATUS_ON, delay_on); addr = mt7603_reg_map(dev, MT_LED_STATUS_0(mt76->led_pin)); mt76_wr(dev, addr, val); addr = mt7603_reg_map(dev, MT_LED_STATUS_1(mt76->led_pin)); mt76_wr(dev, addr, val); val = MT_LED_CTRL_REPLAY(mt76->led_pin) | MT_LED_CTRL_KICK(mt76->led_pin); if (mt76->led_al) val |= MT_LED_CTRL_POLARITY(mt76->led_pin); addr = mt7603_reg_map(dev, MT_LED_CTRL); mt76_wr(dev, addr, val); } static int mt7603_led_set_blink(struct led_classdev *led_cdev, unsigned long *delay_on, unsigned long *delay_off) { struct mt76_dev *mt76 = container_of(led_cdev, struct mt76_dev, led_cdev); u8 delta_on, delta_off; delta_off = max_t(u8, *delay_off / 10, 1); delta_on = max_t(u8, *delay_on / 10, 1); mt7603_led_set_config(mt76, delta_on, delta_off); return 0; } static void mt7603_led_set_brightness(struct led_classdev *led_cdev, enum led_brightness brightness) { struct mt76_dev *mt76 = container_of(led_cdev, struct mt76_dev, led_cdev); if (!brightness) mt7603_led_set_config(mt76, 0, 0xff); else mt7603_led_set_config(mt76, 0xff, 0); } static u32 __mt7603_reg_addr(struct mt7603_dev *dev, u32 addr) { if (addr < 0x100000) return addr; return mt7603_reg_map(dev, addr); } static u32 mt7603_rr(struct mt76_dev *mdev, u32 offset) { struct mt7603_dev *dev = container_of(mdev, struct mt7603_dev, mt76); u32 addr = __mt7603_reg_addr(dev, offset); return dev->bus_ops->rr(mdev, addr); } static void mt7603_wr(struct mt76_dev *mdev, u32 offset, u32 val) { struct mt7603_dev *dev = container_of(mdev, struct mt7603_dev, mt76); u32 addr = __mt7603_reg_addr(dev, offset); dev->bus_ops->wr(mdev, addr, val); } static u32 mt7603_rmw(struct mt76_dev *mdev, u32 offset, u32 mask, u32 val) { struct mt7603_dev *dev = container_of(mdev, struct mt7603_dev, mt76); u32 addr = __mt7603_reg_addr(dev, offset); return dev->bus_ops->rmw(mdev, addr, mask, val); } static void mt7603_regd_notifier(struct wiphy *wiphy, struct regulatory_request *request) { struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); struct mt7603_dev *dev = hw->priv; dev->mt76.region = request->dfs_region; dev->ed_monitor = dev->ed_monitor_enabled && dev->mt76.region == NL80211_DFS_ETSI; } static int mt7603_txpower_signed(int val) { bool sign = val & BIT(6); if (!(val & BIT(7))) return 0; val &= GENMASK(5, 0); if (!sign) val = -val; return val; } static void mt7603_init_txpower(struct mt7603_dev *dev, struct ieee80211_supported_band *sband) { struct ieee80211_channel *chan; u8 *eeprom = (u8 *)dev->mt76.eeprom.data; int target_power = eeprom[MT_EE_TX_POWER_0_START_2G + 2] & ~BIT(7); u8 *rate_power = &eeprom[MT_EE_TX_POWER_CCK]; bool ext_pa = eeprom[MT_EE_NIC_CONF_0 + 1] & BIT(1); int max_offset, cur_offset; int i; if (ext_pa && is_mt7603(dev)) target_power = eeprom[MT_EE_TX_POWER_TSSI_OFF] & ~BIT(7); if (target_power & BIT(6)) target_power = -(target_power & GENMASK(5, 0)); max_offset = 0; for (i = 0; i < 14; i++) { cur_offset = mt7603_txpower_signed(rate_power[i]); max_offset = max(max_offset, cur_offset); } target_power += max_offset; dev->tx_power_limit = target_power; dev->mphy.txpower_cur = target_power; target_power = DIV_ROUND_UP(target_power, 2); /* add 3 dBm for 2SS devices (combined output) */ if (dev->mphy.antenna_mask & BIT(1)) target_power += 3; for (i = 0; i < sband->n_channels; i++) { chan = &sband->channels[i]; chan->max_power = min_t(int, chan->max_reg_power, target_power); chan->orig_mpwr = target_power; } } int mt7603_register_device(struct mt7603_dev *dev) { struct mt76_bus_ops *bus_ops; struct ieee80211_hw *hw = mt76_hw(dev); struct wiphy *wiphy = hw->wiphy; int ret; dev->bus_ops = dev->mt76.bus; bus_ops = devm_kmemdup(dev->mt76.dev, dev->bus_ops, sizeof(*bus_ops), GFP_KERNEL); if (!bus_ops) return -ENOMEM; bus_ops->rr = mt7603_rr; bus_ops->wr = mt7603_wr; bus_ops->rmw = mt7603_rmw; dev->mt76.bus = bus_ops; INIT_LIST_HEAD(&dev->sta_poll_list); spin_lock_init(&dev->sta_poll_lock); spin_lock_init(&dev->ps_lock); INIT_DELAYED_WORK(&dev->mt76.mac_work, mt7603_mac_work); tasklet_init(&dev->mt76.pre_tbtt_tasklet, mt7603_pre_tbtt_tasklet, (unsigned long)dev); /* Check for 7688, which only has 1SS */ dev->mphy.antenna_mask = 3; if (mt76_rr(dev, MT_EFUSE_BASE + 0x64) & BIT(4)) dev->mphy.antenna_mask = 1; dev->slottime = 9; ret = mt7603_init_hardware(dev); if (ret) return ret; hw->queues = 4; hw->max_rates = 3; hw->max_report_rates = 7; hw->max_rate_tries = 11; hw->sta_data_size = sizeof(struct mt7603_sta); hw->vif_data_size = sizeof(struct mt7603_vif); wiphy->iface_combinations = if_comb; wiphy->n_iface_combinations = ARRAY_SIZE(if_comb); ieee80211_hw_set(hw, TX_STATUS_NO_AMPDU_LEN); ieee80211_hw_set(hw, HOST_BROADCAST_PS_BUFFERING); /* init led callbacks */ if (IS_ENABLED(CONFIG_MT76_LEDS)) { dev->mt76.led_cdev.brightness_set = mt7603_led_set_brightness; dev->mt76.led_cdev.blink_set = mt7603_led_set_blink; } wiphy->reg_notifier = mt7603_regd_notifier; ret = mt76_register_device(&dev->mt76, true, mt7603_rates, ARRAY_SIZE(mt7603_rates)); if (ret) return ret; mt7603_init_debugfs(dev); mt7603_init_txpower(dev, &dev->mphy.sband_2g.sband); return 0; } void mt7603_unregister_device(struct mt7603_dev *dev) { tasklet_disable(&dev->mt76.pre_tbtt_tasklet); mt76_unregister_device(&dev->mt76); mt7603_mcu_exit(dev); mt7603_dma_cleanup(dev); mt76_free_device(&dev->mt76); }