| // SPDX-License-Identifier: ISC |
| /* Copyright (C) 2020 MediaTek Inc. */ |
| |
| #include <linux/etherdevice.h> |
| #include <linux/hwmon.h> |
| #include <linux/hwmon-sysfs.h> |
| #include <linux/thermal.h> |
| #include "bersa.h" |
| #include "mac.h" |
| #include "mcu.h" |
| #include "eeprom.h" |
| |
| static const struct ieee80211_iface_limit if_limits[] = { |
| { |
| .max = 1, |
| .types = BIT(NL80211_IFTYPE_ADHOC) |
| }, { |
| .max = 16, |
| .types = BIT(NL80211_IFTYPE_AP) |
| #ifdef CONFIG_MAC80211_MESH |
| | BIT(NL80211_IFTYPE_MESH_POINT) |
| #endif |
| }, { |
| .max = BERSA_MAX_INTERFACES, |
| .types = BIT(NL80211_IFTYPE_STATION) |
| } |
| }; |
| |
| static const struct ieee80211_iface_combination if_comb[] = { |
| { |
| .limits = if_limits, |
| .n_limits = ARRAY_SIZE(if_limits), |
| .max_interfaces = BERSA_MAX_INTERFACES, |
| .num_different_channels = 1, |
| .beacon_int_infra_match = true, |
| .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | |
| BIT(NL80211_CHAN_WIDTH_20) | |
| BIT(NL80211_CHAN_WIDTH_40) | |
| BIT(NL80211_CHAN_WIDTH_80) | |
| BIT(NL80211_CHAN_WIDTH_160) | |
| BIT(NL80211_CHAN_WIDTH_80P80), |
| } |
| }; |
| |
| static ssize_t bersa_thermal_temp_show(struct device *dev, |
| struct device_attribute *attr, |
| char *buf) |
| { |
| struct bersa_phy *phy = dev_get_drvdata(dev); |
| int i = to_sensor_dev_attr(attr)->index; |
| int temperature; |
| |
| if (i) |
| return sprintf(buf, "%u\n", phy->throttle_temp[i - 1] * 1000); |
| |
| temperature = bersa_mcu_get_temperature(phy); |
| if (temperature < 0) |
| return temperature; |
| |
| /* display in millidegree celcius */ |
| return sprintf(buf, "%u\n", temperature * 1000); |
| } |
| |
| static ssize_t bersa_thermal_temp_store(struct device *dev, |
| struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| struct bersa_phy *phy = dev_get_drvdata(dev); |
| int ret, i = to_sensor_dev_attr(attr)->index; |
| long val; |
| |
| ret = kstrtol(buf, 10, &val); |
| if (ret < 0) |
| return ret; |
| |
| mutex_lock(&phy->dev->mt76.mutex); |
| val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 60, 130); |
| phy->throttle_temp[i - 1] = val; |
| mutex_unlock(&phy->dev->mt76.mutex); |
| |
| return count; |
| } |
| |
| static SENSOR_DEVICE_ATTR_RO(temp1_input, bersa_thermal_temp, 0); |
| static SENSOR_DEVICE_ATTR_RW(temp1_crit, bersa_thermal_temp, 1); |
| static SENSOR_DEVICE_ATTR_RW(temp1_max, bersa_thermal_temp, 2); |
| |
| static struct attribute *bersa_hwmon_attrs[] = { |
| &sensor_dev_attr_temp1_input.dev_attr.attr, |
| &sensor_dev_attr_temp1_crit.dev_attr.attr, |
| &sensor_dev_attr_temp1_max.dev_attr.attr, |
| NULL, |
| }; |
| ATTRIBUTE_GROUPS(bersa_hwmon); |
| |
| static int |
| bersa_thermal_get_max_throttle_state(struct thermal_cooling_device *cdev, |
| unsigned long *state) |
| { |
| *state = BERSA_THERMAL_THROTTLE_MAX; |
| |
| return 0; |
| } |
| |
| static int |
| bersa_thermal_get_cur_throttle_state(struct thermal_cooling_device *cdev, |
| unsigned long *state) |
| { |
| struct bersa_phy *phy = cdev->devdata; |
| |
| *state = phy->throttle_state; |
| |
| return 0; |
| } |
| |
| static int |
| bersa_thermal_set_cur_throttle_state(struct thermal_cooling_device *cdev, |
| unsigned long state) |
| { |
| struct bersa_phy *phy = cdev->devdata; |
| int ret; |
| |
| if (state > BERSA_THERMAL_THROTTLE_MAX) |
| return -EINVAL; |
| |
| if (phy->throttle_temp[0] > phy->throttle_temp[1]) |
| return 0; |
| |
| if (state == phy->throttle_state) |
| return 0; |
| |
| ret = bersa_mcu_set_thermal_throttling(phy, state); |
| if (ret) |
| return ret; |
| |
| phy->throttle_state = state; |
| |
| return 0; |
| } |
| |
| static const struct thermal_cooling_device_ops bersa_thermal_ops = { |
| .get_max_state = bersa_thermal_get_max_throttle_state, |
| .get_cur_state = bersa_thermal_get_cur_throttle_state, |
| .set_cur_state = bersa_thermal_set_cur_throttle_state, |
| }; |
| |
| static void bersa_unregister_thermal(struct bersa_phy *phy) |
| { |
| struct wiphy *wiphy = phy->mt76->hw->wiphy; |
| |
| if (!phy->cdev) |
| return; |
| |
| sysfs_remove_link(&wiphy->dev.kobj, "cooling_device"); |
| thermal_cooling_device_unregister(phy->cdev); |
| } |
| |
| static int bersa_thermal_init(struct bersa_phy *phy) |
| { |
| struct wiphy *wiphy = phy->mt76->hw->wiphy; |
| struct thermal_cooling_device *cdev; |
| struct device *hwmon; |
| const char *name; |
| |
| name = devm_kasprintf(&wiphy->dev, GFP_KERNEL, "bersa_%s", |
| wiphy_name(wiphy)); |
| |
| cdev = thermal_cooling_device_register(name, phy, &bersa_thermal_ops); |
| if (!IS_ERR(cdev)) { |
| if (sysfs_create_link(&wiphy->dev.kobj, &cdev->device.kobj, |
| "cooling_device") < 0) |
| thermal_cooling_device_unregister(cdev); |
| else |
| phy->cdev = cdev; |
| } |
| |
| if (!IS_REACHABLE(CONFIG_HWMON)) |
| return 0; |
| |
| hwmon = devm_hwmon_device_register_with_groups(&wiphy->dev, name, phy, |
| bersa_hwmon_groups); |
| if (IS_ERR(hwmon)) |
| return PTR_ERR(hwmon); |
| |
| /* initialize critical/maximum high temperature */ |
| phy->throttle_temp[0] = 110; |
| phy->throttle_temp[1] = 120; |
| |
| return 0; |
| } |
| |
| static void bersa_led_set_config(struct led_classdev *led_cdev, |
| u8 delay_on, u8 delay_off) |
| { |
| struct bersa_dev *dev; |
| struct mt76_dev *mt76; |
| u32 val; |
| |
| mt76 = container_of(led_cdev, struct mt76_dev, led_cdev); |
| dev = container_of(mt76, struct bersa_dev, mt76); |
| |
| /* select TX blink mode, 2: only data frames */ |
| mt76_rmw_field(dev, MT_TMAC_TCR0(0), MT_TMAC_TCR0_TX_BLINK, 2); |
| |
| /* enable LED */ |
| mt76_wr(dev, MT_LED_EN(0), 1); |
| |
| /* set LED Tx blink on/off time */ |
| val = FIELD_PREP(MT_LED_TX_BLINK_ON_MASK, delay_on) | |
| FIELD_PREP(MT_LED_TX_BLINK_OFF_MASK, delay_off); |
| mt76_wr(dev, MT_LED_TX_BLINK(0), val); |
| |
| /* control LED */ |
| val = MT_LED_CTRL_BLINK_MODE | MT_LED_CTRL_KICK; |
| if (dev->mt76.led_al) |
| val |= MT_LED_CTRL_POLARITY; |
| |
| mt76_wr(dev, MT_LED_CTRL(0), val); |
| mt76_clear(dev, MT_LED_CTRL(0), MT_LED_CTRL_KICK); |
| } |
| |
| static int bersa_led_set_blink(struct led_classdev *led_cdev, |
| unsigned long *delay_on, |
| unsigned long *delay_off) |
| { |
| u16 delta_on = 0, delta_off = 0; |
| |
| #define HW_TICK 10 |
| #define TO_HW_TICK(_t) (((_t) > HW_TICK) ? ((_t) / HW_TICK) : HW_TICK) |
| |
| if (*delay_on) |
| delta_on = TO_HW_TICK(*delay_on); |
| if (*delay_off) |
| delta_off = TO_HW_TICK(*delay_off); |
| |
| bersa_led_set_config(led_cdev, delta_on, delta_off); |
| |
| return 0; |
| } |
| |
| static void bersa_led_set_brightness(struct led_classdev *led_cdev, |
| enum led_brightness brightness) |
| { |
| if (!brightness) |
| bersa_led_set_config(led_cdev, 0, 0xff); |
| else |
| bersa_led_set_config(led_cdev, 0xff, 0); |
| } |
| |
| static void |
| bersa_init_txpower(struct bersa_dev *dev, |
| struct ieee80211_supported_band *sband) |
| { |
| int i, n_chains = hweight8(dev->mphy.antenna_mask); |
| int nss_delta = mt76_tx_power_nss_delta(n_chains); |
| int pwr_delta = bersa_eeprom_get_power_delta(dev, sband->band); |
| struct mt76_power_limits limits; |
| |
| for (i = 0; i < sband->n_channels; i++) { |
| struct ieee80211_channel *chan = &sband->channels[i]; |
| u32 target_power = 0; |
| int j; |
| |
| for (j = 0; j < n_chains; j++) { |
| u32 val; |
| |
| val = bersa_eeprom_get_target_power(dev, chan, j); |
| target_power = max(target_power, val); |
| } |
| |
| target_power += pwr_delta; |
| target_power = mt76_get_rate_power_limits(&dev->mphy, chan, |
| &limits, |
| target_power); |
| target_power += nss_delta; |
| target_power = DIV_ROUND_UP(target_power, 2); |
| chan->max_power = min_t(int, chan->max_reg_power, |
| target_power); |
| chan->orig_mpwr = target_power; |
| } |
| } |
| |
| static void |
| bersa_regd_notifier(struct wiphy *wiphy, |
| struct regulatory_request *request) |
| { |
| struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); |
| struct bersa_dev *dev = bersa_hw_dev(hw); |
| struct mt76_phy *mphy = hw->priv; |
| struct bersa_phy *phy = mphy->priv; |
| |
| memcpy(dev->mt76.alpha2, request->alpha2, sizeof(dev->mt76.alpha2)); |
| dev->mt76.region = request->dfs_region; |
| |
| if (dev->mt76.region == NL80211_DFS_UNSET) |
| bersa_mcu_rdd_background_enable(phy, NULL); |
| |
| bersa_init_txpower(dev, &mphy->sband_2g.sband); |
| bersa_init_txpower(dev, &mphy->sband_5g.sband); |
| |
| mphy->dfs_state = MT_DFS_STATE_UNKNOWN; |
| bersa_dfs_init_radar_detector(phy); |
| } |
| |
| static void |
| bersa_init_wiphy(struct ieee80211_hw *hw) |
| { |
| struct bersa_phy *phy = bersa_hw_phy(hw); |
| struct mt76_dev *mdev = &phy->dev->mt76; |
| struct wiphy *wiphy = hw->wiphy; |
| |
| hw->queues = 4; |
| hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF; |
| hw->max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF; |
| hw->netdev_features = NETIF_F_RXCSUM; |
| |
| hw->radiotap_timestamp.units_pos = |
| IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US; |
| |
| phy->slottime = 9; |
| |
| hw->sta_data_size = sizeof(struct bersa_sta); |
| hw->vif_data_size = sizeof(struct bersa_vif); |
| |
| wiphy->iface_combinations = if_comb; |
| wiphy->n_iface_combinations = ARRAY_SIZE(if_comb); |
| wiphy->reg_notifier = bersa_regd_notifier; |
| wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; |
| |
| wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BSS_COLOR); |
| wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_VHT_IBSS); |
| wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_LEGACY); |
| wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_HT); |
| wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_VHT); |
| wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_HE); |
| |
| if (!mdev->dev->of_node || |
| !of_property_read_bool(mdev->dev->of_node, |
| "mediatek,disable-radar-background")) |
| wiphy_ext_feature_set(wiphy, |
| NL80211_EXT_FEATURE_RADAR_BACKGROUND); |
| |
| ieee80211_hw_set(hw, HAS_RATE_CONTROL); |
| ieee80211_hw_set(hw, SUPPORTS_TX_ENCAP_OFFLOAD); |
| ieee80211_hw_set(hw, SUPPORTS_RX_DECAP_OFFLOAD); |
| ieee80211_hw_set(hw, WANT_MONITOR_VIF); |
| |
| hw->max_tx_fragments = 4; |
| |
| if (!phy->dev->dbdc_support) |
| wiphy->txq_memory_limit = 32 << 20; /* 32 MiB */ |
| |
| if (phy->mt76->cap.has_2ghz) |
| phy->mt76->sband_2g.sband.ht_cap.cap |= |
| IEEE80211_HT_CAP_LDPC_CODING | |
| IEEE80211_HT_CAP_MAX_AMSDU; |
| |
| if (phy->mt76->cap.has_5ghz) { |
| phy->mt76->sband_5g.sband.ht_cap.cap |= |
| IEEE80211_HT_CAP_LDPC_CODING | |
| IEEE80211_HT_CAP_MAX_AMSDU; |
| |
| phy->mt76->sband_5g.sband.vht_cap.cap |= |
| IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 | |
| IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK; |
| |
| /* mt7916 dbdc with 2g 2x2 bw40 and 5g 2x2 bw160c */ |
| phy->mt76->sband_5g.sband.vht_cap.cap |= |
| IEEE80211_VHT_CAP_SHORT_GI_160 | |
| IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ; |
| } |
| |
| mt76_set_stream_caps(phy->mt76, true); |
| bersa_set_stream_vht_txbf_caps(phy); |
| bersa_set_stream_he_caps(phy); |
| |
| wiphy->available_antennas_rx = phy->mt76->antenna_mask; |
| wiphy->available_antennas_tx = phy->mt76->antenna_mask; |
| } |
| |
| static void |
| bersa_mac_init_band(struct bersa_dev *dev, u8 band) |
| { |
| u32 mask, set; |
| |
| mt76_rmw_field(dev, MT_TMAC_CTCR0(band), |
| MT_TMAC_CTCR0_INS_DDLMT_REFTIME, 0x3f); |
| mt76_set(dev, MT_TMAC_CTCR0(band), |
| MT_TMAC_CTCR0_INS_DDLMT_VHT_SMPDU_EN | |
| MT_TMAC_CTCR0_INS_DDLMT_EN); |
| |
| mask = MT_MDP_RCFR0_MCU_RX_MGMT | |
| MT_MDP_RCFR0_MCU_RX_CTL_NON_BAR | |
| MT_MDP_RCFR0_MCU_RX_CTL_BAR; |
| set = FIELD_PREP(MT_MDP_RCFR0_MCU_RX_MGMT, MT_MDP_TO_HIF) | |
| FIELD_PREP(MT_MDP_RCFR0_MCU_RX_CTL_NON_BAR, MT_MDP_TO_HIF) | |
| FIELD_PREP(MT_MDP_RCFR0_MCU_RX_CTL_BAR, MT_MDP_TO_HIF); |
| mt76_rmw(dev, MT_MDP_BNRCFR0(band), mask, set); |
| |
| mask = MT_MDP_RCFR1_MCU_RX_BYPASS | |
| MT_MDP_RCFR1_RX_DROPPED_UCAST | |
| MT_MDP_RCFR1_RX_DROPPED_MCAST; |
| set = FIELD_PREP(MT_MDP_RCFR1_MCU_RX_BYPASS, MT_MDP_TO_HIF) | |
| FIELD_PREP(MT_MDP_RCFR1_RX_DROPPED_UCAST, MT_MDP_TO_HIF) | |
| FIELD_PREP(MT_MDP_RCFR1_RX_DROPPED_MCAST, MT_MDP_TO_HIF); |
| mt76_rmw(dev, MT_MDP_BNRCFR1(band), mask, set); |
| |
| mt76_rmw_field(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_MAX_RX_LEN, 0x680); |
| |
| /* bersa: disable rx rate report by default due to hw issues */ |
| mt76_clear(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_RXD_G5_EN); |
| } |
| |
| static void bersa_mac_init(struct bersa_dev *dev) |
| { |
| int i; |
| |
| /* TODO: to be checked which are necessary */ |
| /* config pse qid6 wfdma port selection */ |
| /* mt76_rmw(dev, MT_WF_PP_TOP_RXQ_WFDMA_CF_5, 0, */ |
| /* MT_WF_PP_TOP_RXQ_QID6_WFDMA_HIF_SEL_MASK); */ |
| |
| /* mt76_rmw_field(dev, MT_MDP_DCR1, MT_MDP_DCR1_MAX_RX_LEN, 0x680); */ |
| |
| /* enable hardware de-agg */ |
| /* mt76_set(dev, MT_MDP_DCR0, MT_MDP_DCR0_DAMSDU_EN); */ |
| |
| for (i = 0; i < BERSA_WTBL_SIZE; i++) |
| bersa_mac_wtbl_update(dev, i, |
| MT_WTBL_UPDATE_ADM_COUNT_CLEAR); |
| /* TODO: to be checked which are necessary */ |
| /* for (i = 0; i < __MT_MAX_BAND; i++) */ |
| /* bersa_mac_init_band(dev, i); */ |
| |
| if (IS_ENABLED(CONFIG_MT76_LEDS)) { |
| i = dev->mt76.led_pin ? MT_LED_GPIO_MUX3 : MT_LED_GPIO_MUX2; |
| mt76_rmw_field(dev, i, MT_LED_GPIO_SEL_MASK, 4); |
| } |
| } |
| |
| static int bersa_txbf_init(struct bersa_dev *dev) |
| { |
| int ret; |
| |
| if (dev->dbdc_support) { |
| ret = bersa_mcu_set_txbf(dev, MT_BF_MODULE_UPDATE); |
| if (ret) |
| return ret; |
| } |
| |
| /* trigger sounding packets */ |
| ret = bersa_mcu_set_txbf(dev, MT_BF_SOUNDING_ON); |
| if (ret) |
| return ret; |
| |
| /* enable eBF */ |
| return bersa_mcu_set_txbf(dev, MT_BF_TYPE_UPDATE); |
| } |
| |
| static int bersa_register_ext_phy(struct bersa_dev *dev) |
| { |
| struct bersa_phy *phy = bersa_ext_phy(dev); |
| struct mt76_phy *mphy; |
| int ret; |
| |
| if (!dev->dbdc_support) |
| return 0; |
| |
| if (phy) |
| return 0; |
| |
| mphy = mt76_alloc_phy(&dev->mt76, sizeof(*phy), &bersa_ops, MT_BAND1); |
| if (!mphy) |
| return -ENOMEM; |
| |
| phy = mphy->priv; |
| phy->dev = dev; |
| phy->mt76 = mphy; |
| phy->band_idx = MT_BAND1; |
| mphy->dev->phy2 = mphy; |
| |
| INIT_DELAYED_WORK(&mphy->mac_work, bersa_mac_work); |
| |
| bersa_eeprom_parse_hw_cap(dev, phy); |
| |
| memcpy(mphy->macaddr, dev->mt76.eeprom.data + MT_EE_MAC_ADDR2, |
| ETH_ALEN); |
| /* Make the secondary PHY MAC address local without overlapping with |
| * the usual MAC address allocation scheme on multiple virtual interfaces |
| */ |
| if (!is_valid_ether_addr(mphy->macaddr)) { |
| memcpy(mphy->macaddr, dev->mt76.eeprom.data + MT_EE_MAC_ADDR, |
| ETH_ALEN); |
| mphy->macaddr[0] |= 2; |
| mphy->macaddr[0] ^= BIT(7); |
| } |
| mt76_eeprom_override(mphy); |
| |
| /* init wiphy according to mphy and phy */ |
| bersa_init_wiphy(mphy->hw); |
| ret = bersa_init_tx_queues(phy, MT_TXQ_ID(phy->band_idx), |
| BERSA_TX_RING_SIZE, |
| MT_TXQ_RING_BASE(1)); |
| if (ret) |
| goto error; |
| |
| ret = mt76_register_phy(mphy, true, mt76_rates, |
| ARRAY_SIZE(mt76_rates)); |
| if (ret) |
| goto error; |
| |
| ret = bersa_thermal_init(phy); |
| if (ret) |
| goto error; |
| |
| ret = bersa_init_debugfs(phy); |
| if (ret) |
| goto error; |
| |
| return 0; |
| |
| error: |
| mphy->dev->phy2 = NULL; |
| ieee80211_free_hw(mphy->hw); |
| return ret; |
| } |
| |
| static int bersa_register_tri_phy(struct bersa_dev *dev) |
| { |
| struct bersa_phy *phy = bersa_tri_phy(dev); |
| struct mt76_phy *mphy; |
| int ret; |
| |
| if (!dev->tbtc_support) |
| return 0; |
| |
| if (phy) |
| return 0; |
| |
| mphy = mt76_alloc_phy(&dev->mt76, sizeof(*phy), &bersa_ops, MT_BAND2); |
| if (!mphy) |
| return -ENOMEM; |
| |
| phy = mphy->priv; |
| phy->dev = dev; |
| phy->mt76 = mphy; |
| phy->band_idx = MT_BAND2; |
| mphy->dev->phy3 = mphy; |
| |
| INIT_DELAYED_WORK(&mphy->mac_work, bersa_mac_work); |
| |
| bersa_eeprom_parse_hw_cap(dev, phy); |
| |
| /* Make the secondary PHY MAC address local without overlapping with |
| * the usual MAC address allocation scheme on multiple virtual interfaces |
| */ |
| if (!is_valid_ether_addr(mphy->macaddr)) { |
| memcpy(mphy->macaddr, dev->mt76.eeprom.data + MT_EE_MAC_ADDR, |
| ETH_ALEN); |
| mphy->macaddr[0] |= 2; |
| mphy->macaddr[0] ^= BIT(6); |
| mphy->macaddr[0] ^= BIT(7); |
| } |
| mt76_eeprom_override(mphy); |
| |
| /* init wiphy according to mphy and phy */ |
| bersa_init_wiphy(mphy->hw); |
| ret = bersa_init_tx_queues(phy, MT_TXQ_ID(phy->band_idx), |
| BERSA_TX_RING_SIZE, |
| MT_TXQ_RING_BASE(2)); |
| if (ret) |
| goto error; |
| |
| ret = mt76_register_phy(mphy, true, mt76_rates, |
| ARRAY_SIZE(mt76_rates)); |
| if (ret) |
| goto error; |
| |
| ret = bersa_thermal_init(phy); |
| if (ret) |
| goto error; |
| |
| ret = bersa_init_debugfs(phy); |
| if (ret) |
| goto error; |
| |
| return 0; |
| |
| error: |
| mphy->dev->phy3 = NULL; |
| ieee80211_free_hw(mphy->hw); |
| return ret; |
| } |
| |
| static void bersa_init_work(struct work_struct *work) |
| { |
| struct bersa_dev *dev = container_of(work, struct bersa_dev, |
| init_work); |
| |
| bersa_mcu_set_eeprom(dev); |
| bersa_mac_init(dev); |
| bersa_init_txpower(dev, &dev->mphy.sband_2g.sband); |
| bersa_init_txpower(dev, &dev->mphy.sband_5g.sband); |
| bersa_txbf_init(dev); |
| } |
| |
| static void bersa_wfsys_reset(struct bersa_dev *dev) |
| { |
| if (is_mt7902(&dev->mt76)) |
| return; |
| |
| mt76_set(dev, MT_WF_SUBSYS_RST, 0x1); |
| msleep(20); |
| |
| mt76_clear(dev, MT_WF_SUBSYS_RST, 0x1); |
| msleep(20); |
| } |
| |
| static bool bersa_band_config(struct bersa_dev *dev) |
| { |
| dev->phy.band_idx = MT_BAND0; |
| dev->mphy.band_idx = MT_BAND0; |
| dev->tbtc_support = false; |
| |
| if (is_mt7902(&dev->mt76)) { |
| dev->tbtc_support = true; |
| /* TODO: bellwether the band1 is unused */ |
| return false; |
| } |
| |
| return true; |
| } |
| |
| static int bersa_init_hardware(struct bersa_dev *dev) |
| { |
| int ret, idx; |
| |
| mt76_wr(dev, MT_INT_SOURCE_CSR, ~0); |
| |
| INIT_WORK(&dev->init_work, bersa_init_work); |
| |
| dev->dbdc_support = bersa_band_config(dev); |
| |
| /* bellwether do rom dl */ |
| if (is_mt7902(&dev->mt76)) { |
| ret = bersa_rom_start(dev); |
| if (ret) |
| return ret; |
| } |
| |
| /* If MCU was already running, it is likely in a bad state */ |
| if (mt76_get_field(dev, MT_TOP_MISC, MT_TOP_MISC_FW_STATE) > |
| FW_STATE_FW_DOWNLOAD) |
| bersa_wfsys_reset(dev); |
| |
| ret = bersa_dma_init(dev); |
| if (ret) |
| return ret; |
| |
| set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state); |
| |
| ret = bersa_mcu_init(dev); |
| if (ret) { |
| /* Reset and try again */ |
| bersa_wfsys_reset(dev); |
| |
| ret = bersa_mcu_init(dev); |
| if (ret) |
| return ret; |
| } |
| |
| ret = bersa_eeprom_init(dev); |
| if (ret < 0) |
| return ret; |
| |
| if (dev->flash_mode) { |
| ret = bersa_mcu_apply_group_cal(dev); |
| if (ret) |
| return ret; |
| } |
| |
| /* Beacon and mgmt frames should occupy wcid 0 */ |
| idx = mt76_wcid_alloc(dev->mt76.wcid_mask, BERSA_WTBL_STA); |
| if (idx) |
| return -ENOSPC; |
| |
| dev->mt76.global_wcid.idx = idx; |
| dev->mt76.global_wcid.hw_key_idx = -1; |
| dev->mt76.global_wcid.tx_info |= MT_WCID_TX_INFO_SET; |
| rcu_assign_pointer(dev->mt76.wcid[idx], &dev->mt76.global_wcid); |
| |
| return 0; |
| } |
| |
| void bersa_set_stream_vht_txbf_caps(struct bersa_phy *phy) |
| { |
| int nss; |
| u32 *cap; |
| |
| if (!phy->mt76->cap.has_5ghz) |
| return; |
| |
| nss = hweight8(phy->mt76->chainmask); |
| cap = &phy->mt76->sband_5g.sband.vht_cap.cap; |
| |
| *cap |= IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE | |
| IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE | |
| (3 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT); |
| |
| *cap &= ~(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK | |
| IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE | |
| IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE); |
| |
| if (nss < 2) |
| return; |
| |
| *cap |= IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE | |
| IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE | |
| FIELD_PREP(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK, |
| nss - 1); |
| } |
| |
| static void |
| bersa_set_stream_he_txbf_caps(struct ieee80211_sta_he_cap *he_cap, |
| int vif, int nss) |
| { |
| struct ieee80211_he_cap_elem *elem = &he_cap->he_cap_elem; |
| u8 c; |
| |
| #ifdef CONFIG_MAC80211_MESH |
| if (vif == NL80211_IFTYPE_MESH_POINT) |
| return; |
| #endif |
| |
| elem->phy_cap_info[3] &= ~IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER; |
| elem->phy_cap_info[4] &= ~IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER; |
| |
| c = IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK | |
| IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK; |
| elem->phy_cap_info[5] &= ~c; |
| |
| c = IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB | |
| IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB; |
| elem->phy_cap_info[6] &= ~c; |
| |
| elem->phy_cap_info[7] &= ~IEEE80211_HE_PHY_CAP7_MAX_NC_MASK; |
| |
| c = IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US | |
| IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO | |
| IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO; |
| elem->phy_cap_info[2] |= c; |
| |
| c = IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE | |
| IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4 | |
| IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4; |
| elem->phy_cap_info[4] |= c; |
| |
| /* do not support NG16 due to spec D4.0 changes subcarrier idx */ |
| c = IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU | |
| IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU; |
| |
| if (vif == NL80211_IFTYPE_STATION) |
| c |= IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO; |
| |
| elem->phy_cap_info[6] |= c; |
| |
| if (nss < 2) |
| return; |
| |
| /* the maximum cap is 4 x 3, (Nr, Nc) = (3, 2) */ |
| elem->phy_cap_info[7] |= min_t(int, nss - 1, 2) << 3; |
| |
| if (vif != NL80211_IFTYPE_AP) |
| return; |
| |
| elem->phy_cap_info[3] |= IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER; |
| elem->phy_cap_info[4] |= IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER; |
| |
| /* num_snd_dim |
| * for bersa, max supported nss is 2 for bw > 80MHz |
| */ |
| c = (nss - 1) | |
| IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2; |
| elem->phy_cap_info[5] |= c; |
| |
| c = IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB | |
| IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB; |
| elem->phy_cap_info[6] |= c; |
| } |
| |
| static void |
| bersa_gen_ppe_thresh(u8 *he_ppet, int nss) |
| { |
| u8 i, ppet_bits, ppet_size, ru_bit_mask = 0x7; /* HE80 */ |
| u8 ppet16_ppet8_ru3_ru0[] = {0x1c, 0xc7, 0x71}; |
| |
| he_ppet[0] = FIELD_PREP(IEEE80211_PPE_THRES_NSS_MASK, nss - 1) | |
| FIELD_PREP(IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK, |
| ru_bit_mask); |
| |
| ppet_bits = IEEE80211_PPE_THRES_INFO_PPET_SIZE * |
| nss * hweight8(ru_bit_mask) * 2; |
| ppet_size = DIV_ROUND_UP(ppet_bits, 8); |
| |
| for (i = 0; i < ppet_size - 1; i++) |
| he_ppet[i + 1] = ppet16_ppet8_ru3_ru0[i % 3]; |
| |
| he_ppet[i + 1] = ppet16_ppet8_ru3_ru0[i % 3] & |
| (0xff >> (8 - (ppet_bits - 1) % 8)); |
| } |
| |
| static int |
| bersa_init_he_caps(struct bersa_phy *phy, enum nl80211_band band, |
| struct ieee80211_sband_iftype_data *data) |
| { |
| int i, idx = 0, nss = hweight8(phy->mt76->chainmask); |
| u16 mcs_map = 0; |
| u16 mcs_map_160 = 0; |
| u8 nss_160; |
| |
| /* Can do 1/2 of NSS streams in 160Mhz mode for bersa */ |
| nss_160 = nss; |
| |
| for (i = 0; i < 8; i++) { |
| if (i < nss) |
| mcs_map |= (IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2)); |
| else |
| mcs_map |= (IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2)); |
| |
| if (i < nss_160) |
| mcs_map_160 |= (IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2)); |
| else |
| mcs_map_160 |= (IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2)); |
| } |
| |
| for (i = 0; i < NUM_NL80211_IFTYPES; i++) { |
| struct ieee80211_sta_he_cap *he_cap = &data[idx].he_cap; |
| struct ieee80211_he_cap_elem *he_cap_elem = |
| &he_cap->he_cap_elem; |
| struct ieee80211_he_mcs_nss_supp *he_mcs = |
| &he_cap->he_mcs_nss_supp; |
| |
| switch (i) { |
| case NL80211_IFTYPE_STATION: |
| case NL80211_IFTYPE_AP: |
| #ifdef CONFIG_MAC80211_MESH |
| case NL80211_IFTYPE_MESH_POINT: |
| #endif |
| break; |
| default: |
| continue; |
| } |
| |
| data[idx].types_mask = BIT(i); |
| he_cap->has_he = true; |
| |
| he_cap_elem->mac_cap_info[0] = |
| IEEE80211_HE_MAC_CAP0_HTC_HE; |
| he_cap_elem->mac_cap_info[3] = |
| IEEE80211_HE_MAC_CAP3_OMI_CONTROL | |
| IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3; |
| he_cap_elem->mac_cap_info[4] = |
| IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU; |
| |
| if (band == NL80211_BAND_2GHZ) |
| he_cap_elem->phy_cap_info[0] = |
| IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G; |
| else if (band == NL80211_BAND_5GHZ) |
| he_cap_elem->phy_cap_info[0] = |
| IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G | |
| IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G | |
| IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G; |
| |
| he_cap_elem->phy_cap_info[1] = |
| IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD; |
| he_cap_elem->phy_cap_info[2] = |
| IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ | |
| IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ; |
| |
| switch (i) { |
| case NL80211_IFTYPE_AP: |
| he_cap_elem->mac_cap_info[0] |= |
| IEEE80211_HE_MAC_CAP0_TWT_RES; |
| he_cap_elem->mac_cap_info[2] |= |
| IEEE80211_HE_MAC_CAP2_BSR; |
| he_cap_elem->mac_cap_info[4] |= |
| IEEE80211_HE_MAC_CAP4_BQR; |
| he_cap_elem->mac_cap_info[5] |= |
| IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX; |
| he_cap_elem->phy_cap_info[3] |= |
| IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK | |
| IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK; |
| he_cap_elem->phy_cap_info[6] |= |
| IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE | |
| IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT; |
| he_cap_elem->phy_cap_info[9] |= |
| IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU | |
| IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU; |
| break; |
| case NL80211_IFTYPE_STATION: |
| he_cap_elem->mac_cap_info[1] |= |
| IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US; |
| |
| if (band == NL80211_BAND_2GHZ) |
| he_cap_elem->phy_cap_info[0] |= |
| IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G; |
| else if (band == NL80211_BAND_5GHZ) |
| he_cap_elem->phy_cap_info[0] |= |
| IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G; |
| |
| he_cap_elem->phy_cap_info[1] |= |
| IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A | |
| IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US; |
| he_cap_elem->phy_cap_info[3] |= |
| IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK | |
| IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK; |
| he_cap_elem->phy_cap_info[6] |= |
| IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB | |
| IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE | |
| IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT; |
| he_cap_elem->phy_cap_info[7] |= |
| IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP | |
| IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI; |
| he_cap_elem->phy_cap_info[8] |= |
| IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G | |
| IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU | |
| IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU | |
| IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484; |
| he_cap_elem->phy_cap_info[9] |= |
| IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM | |
| IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK | |
| IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU | |
| IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU | |
| IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB | |
| IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB; |
| break; |
| } |
| |
| he_mcs->rx_mcs_80 = cpu_to_le16(mcs_map); |
| he_mcs->tx_mcs_80 = cpu_to_le16(mcs_map); |
| he_mcs->rx_mcs_160 = cpu_to_le16(mcs_map_160); |
| he_mcs->tx_mcs_160 = cpu_to_le16(mcs_map_160); |
| he_mcs->rx_mcs_80p80 = cpu_to_le16(mcs_map_160); |
| he_mcs->tx_mcs_80p80 = cpu_to_le16(mcs_map_160); |
| |
| bersa_set_stream_he_txbf_caps(he_cap, i, nss); |
| |
| memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres)); |
| if (he_cap_elem->phy_cap_info[6] & |
| IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { |
| bersa_gen_ppe_thresh(he_cap->ppe_thres, nss); |
| } else { |
| he_cap_elem->phy_cap_info[9] |= |
| IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US; |
| } |
| idx++; |
| } |
| |
| return idx; |
| } |
| |
| void bersa_set_stream_he_caps(struct bersa_phy *phy) |
| { |
| struct ieee80211_sband_iftype_data *data; |
| struct ieee80211_supported_band *band; |
| int n; |
| |
| if (phy->mt76->cap.has_2ghz) { |
| data = phy->iftype[NL80211_BAND_2GHZ]; |
| n = bersa_init_he_caps(phy, NL80211_BAND_2GHZ, data); |
| |
| band = &phy->mt76->sband_2g.sband; |
| band->iftype_data = data; |
| band->n_iftype_data = n; |
| } |
| |
| if (phy->mt76->cap.has_5ghz) { |
| data = phy->iftype[NL80211_BAND_5GHZ]; |
| n = bersa_init_he_caps(phy, NL80211_BAND_5GHZ, data); |
| |
| band = &phy->mt76->sband_5g.sband; |
| band->iftype_data = data; |
| band->n_iftype_data = n; |
| } |
| } |
| |
| static void bersa_unregister_ext_phy(struct bersa_dev *dev) |
| { |
| struct bersa_phy *phy = bersa_ext_phy(dev); |
| struct mt76_phy *mphy = dev->mt76.phy2; |
| |
| if (!phy) |
| return; |
| |
| bersa_unregister_thermal(phy); |
| mt76_unregister_phy(mphy); |
| ieee80211_free_hw(mphy->hw); |
| dev->mt76.phy2 = NULL; |
| } |
| |
| static void bersa_unregister_tri_phy(struct bersa_dev *dev) |
| { |
| struct bersa_phy *phy = bersa_tri_phy(dev); |
| struct mt76_phy *mphy = dev->mt76.phy3; |
| |
| if (!phy) |
| return; |
| |
| bersa_unregister_thermal(phy); |
| mt76_unregister_phy(mphy); |
| ieee80211_free_hw(mphy->hw); |
| dev->mt76.phy3 = NULL; |
| } |
| |
| int bersa_register_device(struct bersa_dev *dev) |
| { |
| struct ieee80211_hw *hw = mt76_hw(dev); |
| int ret; |
| |
| dev->phy.dev = dev; |
| dev->phy.mt76 = &dev->mt76.phy; |
| dev->mt76.phy.priv = &dev->phy; |
| INIT_WORK(&dev->rc_work, bersa_mac_sta_rc_work); |
| INIT_DELAYED_WORK(&dev->mphy.mac_work, bersa_mac_work); |
| INIT_LIST_HEAD(&dev->sta_rc_list); |
| INIT_LIST_HEAD(&dev->sta_poll_list); |
| INIT_LIST_HEAD(&dev->twt_list); |
| spin_lock_init(&dev->sta_poll_lock); |
| |
| init_waitqueue_head(&dev->reset_wait); |
| INIT_WORK(&dev->reset_work, bersa_mac_reset_work); |
| |
| ret = bersa_init_hardware(dev); |
| if (ret) |
| return ret; |
| |
| bersa_init_wiphy(hw); |
| |
| #ifdef CONFIG_NL80211_TESTMODE |
| dev->mt76.test_ops = &bersa_testmode_ops; |
| #endif |
| |
| /* init led callbacks */ |
| if (IS_ENABLED(CONFIG_MT76_LEDS)) { |
| dev->mt76.led_cdev.brightness_set = bersa_led_set_brightness; |
| dev->mt76.led_cdev.blink_set = bersa_led_set_blink; |
| } |
| |
| ret = mt76_register_device(&dev->mt76, true, mt76_rates, |
| ARRAY_SIZE(mt76_rates)); |
| if (ret) |
| return ret; |
| |
| ret = bersa_thermal_init(&dev->phy); |
| if (ret) |
| return ret; |
| |
| ieee80211_queue_work(mt76_hw(dev), &dev->init_work); |
| |
| ret = bersa_register_ext_phy(dev); |
| if (ret) |
| return ret; |
| |
| ret = bersa_register_tri_phy(dev); |
| if (ret) |
| return ret; |
| |
| return bersa_init_debugfs(&dev->phy); |
| } |
| |
| void bersa_unregister_device(struct bersa_dev *dev) |
| { |
| bersa_unregister_tri_phy(dev); |
| bersa_unregister_ext_phy(dev); |
| bersa_unregister_thermal(&dev->phy); |
| mt76_unregister_device(&dev->mt76); |
| bersa_mcu_exit(dev); |
| bersa_tx_token_put(dev); |
| bersa_dma_cleanup(dev); |
| tasklet_disable(&dev->irq_tasklet); |
| |
| mt76_free_device(&dev->mt76); |
| } |