diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7915/init.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7915/init.c | 1144 |
1 files changed, 1144 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/init.c b/drivers/net/wireless/mediatek/mt76/mt7915/init.c new file mode 100644 index 000000000..38e94187d --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt7915/init.c @@ -0,0 +1,1144 @@ +// 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 "mt7915.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 = MT7915_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 = MT7915_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 mt7915_thermal_temp_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct mt7915_phy *phy = dev_get_drvdata(dev); + int i = to_sensor_dev_attr(attr)->index; + int temperature; + + switch (i) { + case 0: + temperature = mt7915_mcu_get_temperature(phy); + if (temperature < 0) + return temperature; + /* display in millidegree celcius */ + return sprintf(buf, "%u\n", temperature * 1000); + case 1: + case 2: + return sprintf(buf, "%u\n", + phy->throttle_temp[i - 1] * 1000); + case 3: + return sprintf(buf, "%hhu\n", phy->throttle_state); + default: + return -EINVAL; + } +} + +static ssize_t mt7915_thermal_temp_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct mt7915_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, mt7915_thermal_temp, 0); +static SENSOR_DEVICE_ATTR_RW(temp1_crit, mt7915_thermal_temp, 1); +static SENSOR_DEVICE_ATTR_RW(temp1_max, mt7915_thermal_temp, 2); +static SENSOR_DEVICE_ATTR_RO(throttle1, mt7915_thermal_temp, 3); + +static struct attribute *mt7915_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, + &sensor_dev_attr_throttle1.dev_attr.attr, + NULL, +}; +ATTRIBUTE_GROUPS(mt7915_hwmon); + +static int +mt7915_thermal_get_max_throttle_state(struct thermal_cooling_device *cdev, + unsigned long *state) +{ + *state = MT7915_CDEV_THROTTLE_MAX; + + return 0; +} + +static int +mt7915_thermal_get_cur_throttle_state(struct thermal_cooling_device *cdev, + unsigned long *state) +{ + struct mt7915_phy *phy = cdev->devdata; + + *state = phy->cdev_state; + + return 0; +} + +static int +mt7915_thermal_set_cur_throttle_state(struct thermal_cooling_device *cdev, + unsigned long state) +{ + struct mt7915_phy *phy = cdev->devdata; + u8 throttling = MT7915_THERMAL_THROTTLE_MAX - state; + int ret; + + if (state > MT7915_CDEV_THROTTLE_MAX) + return -EINVAL; + + if (phy->throttle_temp[0] > phy->throttle_temp[1]) + return 0; + + if (state == phy->cdev_state) + return 0; + + /* + * cooling_device convention: 0 = no cooling, more = more cooling + * mcu convention: 1 = max cooling, more = less cooling + */ + ret = mt7915_mcu_set_thermal_throttling(phy, throttling); + if (ret) + return ret; + + phy->cdev_state = state; + + return 0; +} + +static const struct thermal_cooling_device_ops mt7915_thermal_ops = { + .get_max_state = mt7915_thermal_get_max_throttle_state, + .get_cur_state = mt7915_thermal_get_cur_throttle_state, + .set_cur_state = mt7915_thermal_set_cur_throttle_state, +}; + +static void mt7915_unregister_thermal(struct mt7915_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 mt7915_thermal_init(struct mt7915_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, "mt7915_%s", + wiphy_name(wiphy)); + + cdev = thermal_cooling_device_register(name, phy, &mt7915_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, + mt7915_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 mt7915_led_set_config(struct led_classdev *led_cdev, + u8 delay_on, u8 delay_off) +{ + struct mt7915_dev *dev; + struct mt76_dev *mt76; + u32 val; + + mt76 = container_of(led_cdev, struct mt76_dev, led_cdev); + dev = container_of(mt76, struct mt7915_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 mt7915_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); + + mt7915_led_set_config(led_cdev, delta_on, delta_off); + + return 0; +} + +static void mt7915_led_set_brightness(struct led_classdev *led_cdev, + enum led_brightness brightness) +{ + if (!brightness) + mt7915_led_set_config(led_cdev, 0, 0xff); + else + mt7915_led_set_config(led_cdev, 0xff, 0); +} + +static void +mt7915_init_txpower(struct mt7915_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 = mt7915_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 = mt7915_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 +mt7915_regd_notifier(struct wiphy *wiphy, + struct regulatory_request *request) +{ + struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); + struct mt7915_dev *dev = mt7915_hw_dev(hw); + struct mt76_phy *mphy = hw->priv; + struct mt7915_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) + mt7915_mcu_rdd_background_enable(phy, NULL); + + mt7915_init_txpower(dev, &mphy->sband_2g.sband); + mt7915_init_txpower(dev, &mphy->sband_5g.sband); + mt7915_init_txpower(dev, &mphy->sband_6g.sband); + + mphy->dfs_state = MT_DFS_STATE_UNKNOWN; + mt7915_dfs_init_radar_detector(phy); +} + +static void +mt7915_init_wiphy(struct ieee80211_hw *hw) +{ + struct mt7915_phy *phy = mt7915_hw_phy(hw); + struct mt76_dev *mdev = &phy->dev->mt76; + struct wiphy *wiphy = hw->wiphy; + struct mt7915_dev *dev = phy->dev; + + hw->queues = 4; + hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF_HE; + hw->max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF_HE; + 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 mt7915_sta); + hw->vif_data_size = sizeof(struct mt7915_vif); + + wiphy->iface_combinations = if_comb; + wiphy->n_iface_combinations = ARRAY_SIZE(if_comb); + wiphy->reg_notifier = mt7915_regd_notifier; + wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; + wiphy->mbssid_max_interfaces = 16; + + 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); + wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_UNSOL_BCAST_PROBE_RESP); + wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_FILS_DISCOVERY); + + 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, SUPPORTS_MULTI_BSSID); + ieee80211_hw_set(hw, WANT_MONITOR_VIF); + ieee80211_hw_set(hw, SUPPORTS_VHT_EXT_NSS_BW); + + hw->max_tx_fragments = 4; + + if (phy->mt76->cap.has_2ghz) { + phy->mt76->sband_2g.sband.ht_cap.cap |= + IEEE80211_HT_CAP_LDPC_CODING | + IEEE80211_HT_CAP_MAX_AMSDU; + phy->mt76->sband_2g.sband.ht_cap.ampdu_density = + IEEE80211_HT_MPDU_DENSITY_4; + } + + 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.ht_cap.ampdu_density = + IEEE80211_HT_MPDU_DENSITY_4; + + if (is_mt7915(&dev->mt76)) { + phy->mt76->sband_5g.sband.vht_cap.cap |= + IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 | + IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK; + + if (!dev->dbdc_support) + phy->mt76->sband_5g.sband.vht_cap.cap |= + IEEE80211_VHT_CAP_SHORT_GI_160 | + IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ; + } else { + 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); + mt7915_set_stream_vht_txbf_caps(phy); + mt7915_set_stream_he_caps(phy); + + wiphy->available_antennas_rx = phy->mt76->antenna_mask; + wiphy->available_antennas_tx = phy->mt76->antenna_mask; +} + +static void +mt7915_mac_init_band(struct mt7915_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); + + /* mt7915: 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 mt7915_mac_init(struct mt7915_dev *dev) +{ + int i; + u32 rx_len = is_mt7915(&dev->mt76) ? 0x400 : 0x680; + + /* config pse qid6 wfdma port selection */ + if (!is_mt7915(&dev->mt76) && dev->hif2) + 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, rx_len); + + if (!is_mt7915(&dev->mt76)) + mt76_clear(dev, MT_MDP_DCR2, MT_MDP_DCR2_RX_TRANS_SHORT); + + /* enable hardware de-agg */ + mt76_set(dev, MT_MDP_DCR0, MT_MDP_DCR0_DAMSDU_EN); + + for (i = 0; i < mt7915_wtbl_size(dev); i++) + mt7915_mac_wtbl_update(dev, i, + MT_WTBL_UPDATE_ADM_COUNT_CLEAR); + for (i = 0; i < 2; i++) + mt7915_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 mt7915_txbf_init(struct mt7915_dev *dev) +{ + int ret; + + if (dev->dbdc_support) { + ret = mt7915_mcu_set_txbf(dev, MT_BF_MODULE_UPDATE); + if (ret) + return ret; + } + + /* trigger sounding packets */ + ret = mt7915_mcu_set_txbf(dev, MT_BF_SOUNDING_ON); + if (ret) + return ret; + + /* enable eBF */ + return mt7915_mcu_set_txbf(dev, MT_BF_TYPE_UPDATE); +} + +static struct mt7915_phy * +mt7915_alloc_ext_phy(struct mt7915_dev *dev) +{ + struct mt7915_phy *phy; + struct mt76_phy *mphy; + + if (!dev->dbdc_support) + return NULL; + + mphy = mt76_alloc_phy(&dev->mt76, sizeof(*phy), &mt7915_ops, MT_BAND1); + if (!mphy) + return ERR_PTR(-ENOMEM); + + phy = mphy->priv; + phy->dev = dev; + phy->mt76 = mphy; + + /* Bind main phy to band0 and ext_phy to band1 for dbdc case */ + phy->band_idx = 1; + + return phy; +} + +static int +mt7915_register_ext_phy(struct mt7915_dev *dev, struct mt7915_phy *phy) +{ + struct mt76_phy *mphy = phy->mt76; + int ret; + + INIT_DELAYED_WORK(&mphy->mac_work, mt7915_mac_work); + + mt7915_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 */ + mt7915_init_wiphy(mphy->hw); + + ret = mt76_register_phy(mphy, true, mt76_rates, + ARRAY_SIZE(mt76_rates)); + if (ret) + return ret; + + ret = mt7915_thermal_init(phy); + if (ret) + goto unreg; + + mt7915_init_debugfs(phy); + + return 0; + +unreg: + mt76_unregister_phy(mphy); + return ret; +} + +static void mt7915_init_work(struct work_struct *work) +{ + struct mt7915_dev *dev = container_of(work, struct mt7915_dev, + init_work); + + mt7915_mcu_set_eeprom(dev); + mt7915_mac_init(dev); + mt7915_init_txpower(dev, &dev->mphy.sband_2g.sband); + mt7915_init_txpower(dev, &dev->mphy.sband_5g.sband); + mt7915_init_txpower(dev, &dev->mphy.sband_6g.sband); + mt7915_txbf_init(dev); +} + +void mt7915_wfsys_reset(struct mt7915_dev *dev) +{ +#define MT_MCU_DUMMY_RANDOM GENMASK(15, 0) +#define MT_MCU_DUMMY_DEFAULT GENMASK(31, 16) + + if (is_mt7915(&dev->mt76)) { + u32 val = MT_TOP_PWR_KEY | MT_TOP_PWR_SW_PWR_ON | MT_TOP_PWR_PWR_ON; + + mt76_wr(dev, MT_MCU_WFDMA0_DUMMY_CR, MT_MCU_DUMMY_RANDOM); + + /* change to software control */ + val |= MT_TOP_PWR_SW_RST; + mt76_wr(dev, MT_TOP_PWR_CTRL, val); + + /* reset wfsys */ + val &= ~MT_TOP_PWR_SW_RST; + mt76_wr(dev, MT_TOP_PWR_CTRL, val); + + /* release wfsys then mcu re-executes romcode */ + val |= MT_TOP_PWR_SW_RST; + mt76_wr(dev, MT_TOP_PWR_CTRL, val); + + /* switch to hw control */ + val &= ~MT_TOP_PWR_SW_RST; + val |= MT_TOP_PWR_HW_CTRL; + mt76_wr(dev, MT_TOP_PWR_CTRL, val); + + /* check whether mcu resets to default */ + if (!mt76_poll_msec(dev, MT_MCU_WFDMA0_DUMMY_CR, + MT_MCU_DUMMY_DEFAULT, MT_MCU_DUMMY_DEFAULT, + 1000)) { + dev_err(dev->mt76.dev, "wifi subsystem reset failure\n"); + return; + } + + /* wfsys reset won't clear host registers */ + mt76_clear(dev, MT_TOP_MISC, MT_TOP_MISC_FW_STATE); + + msleep(100); + } else if (is_mt7986(&dev->mt76)) { + mt7986_wmac_disable(dev); + msleep(20); + + mt7986_wmac_enable(dev); + msleep(20); + } else { + mt76_set(dev, MT_WF_SUBSYS_RST, 0x1); + msleep(20); + + mt76_clear(dev, MT_WF_SUBSYS_RST, 0x1); + msleep(20); + } +} + +static bool mt7915_band_config(struct mt7915_dev *dev) +{ + bool ret = true; + + dev->phy.band_idx = 0; + + if (is_mt7986(&dev->mt76)) { + u32 sku = mt7915_check_adie(dev, true); + + /* + * for mt7986, dbdc support is determined by the number + * of adie chips and the main phy is bound to band1 when + * dbdc is disabled. + */ + if (sku == MT7975_ONE_ADIE || sku == MT7976_ONE_ADIE) { + dev->phy.band_idx = 1; + ret = false; + } + } else { + ret = is_mt7915(&dev->mt76) ? + !!(mt76_rr(dev, MT_HW_BOUND) & BIT(5)) : true; + } + + return ret; +} + +static int +mt7915_init_hardware(struct mt7915_dev *dev, struct mt7915_phy *phy2) +{ + int ret, idx; + + mt76_wr(dev, MT_INT_MASK_CSR, 0); + mt76_wr(dev, MT_INT_SOURCE_CSR, ~0); + + INIT_WORK(&dev->init_work, mt7915_init_work); + + ret = mt7915_dma_init(dev, phy2); + if (ret) + return ret; + + set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state); + + ret = mt7915_mcu_init(dev); + if (ret) + return ret; + + ret = mt7915_eeprom_init(dev); + if (ret < 0) + return ret; + + if (dev->flash_mode) { + ret = mt7915_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, MT7915_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 mt7915_set_stream_vht_txbf_caps(struct mt7915_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 +mt7915_set_stream_he_txbf_caps(struct mt7915_dev *dev, + struct ieee80211_sta_he_cap *he_cap, + int vif, int nss) +{ + struct ieee80211_he_cap_elem *elem = &he_cap->he_cap_elem; + u8 c, nss_160; + + /* Can do 1/2 of NSS streams in 160Mhz mode for mt7915 */ + if (is_mt7915(&dev->mt76) && !dev->dbdc_support) + nss_160 = nss / 2; + else + nss_160 = nss; + +#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; + if (!is_mt7915(&dev->mt76)) + c |= 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 mt7915, max supported nss is 2 for bw > 80MHz + */ + c = FIELD_PREP(IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK, + nss - 1) | + FIELD_PREP(IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK, + nss_160 - 1); + 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; + + if (!is_mt7915(&dev->mt76)) { + c = IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ | + IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ; + elem->phy_cap_info[7] |= c; + } +} + +static void +mt7915_gen_ppe_thresh(u8 *he_ppet, int nss) +{ + u8 i, ppet_bits, ppet_size, ru_bit_mask = 0x7; /* HE80 */ + static const 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 +mt7915_init_he_caps(struct mt7915_phy *phy, enum nl80211_band band, + struct ieee80211_sband_iftype_data *data) +{ + struct mt7915_dev *dev = phy->dev; + 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 mt7915 */ + if (is_mt7915(&dev->mt76) && !dev->dbdc_support) + nss_160 = nss / 2; + else + 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 + 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 + 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); + + mt7915_set_stream_he_txbf_caps(dev, 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) { + mt7915_gen_ppe_thresh(he_cap->ppe_thres, nss); + } else { + he_cap_elem->phy_cap_info[9] |= + u8_encode_bits(IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US, + IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK); + } + + if (band == NL80211_BAND_6GHZ) { + u16 cap = IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS | + IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS; + + cap |= u16_encode_bits(IEEE80211_HT_MPDU_DENSITY_2, + IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START) | + u16_encode_bits(IEEE80211_VHT_MAX_AMPDU_1024K, + IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP) | + u16_encode_bits(IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454, + IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN); + + data[idx].he_6ghz_capa.capa = cpu_to_le16(cap); + } + + idx++; + } + + return idx; +} + +void mt7915_set_stream_he_caps(struct mt7915_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 = mt7915_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 = mt7915_init_he_caps(phy, NL80211_BAND_5GHZ, data); + + band = &phy->mt76->sband_5g.sband; + band->iftype_data = data; + band->n_iftype_data = n; + } + + if (phy->mt76->cap.has_6ghz) { + data = phy->iftype[NL80211_BAND_6GHZ]; + n = mt7915_init_he_caps(phy, NL80211_BAND_6GHZ, data); + + band = &phy->mt76->sband_6g.sband; + band->iftype_data = data; + band->n_iftype_data = n; + } +} + +static void mt7915_unregister_ext_phy(struct mt7915_dev *dev) +{ + struct mt7915_phy *phy = mt7915_ext_phy(dev); + struct mt76_phy *mphy = dev->mt76.phys[MT_BAND1]; + + if (!phy) + return; + + mt7915_unregister_thermal(phy); + mt76_unregister_phy(mphy); + ieee80211_free_hw(mphy->hw); +} + +static void mt7915_stop_hardware(struct mt7915_dev *dev) +{ + mt7915_mcu_exit(dev); + mt7915_tx_token_put(dev); + mt7915_dma_cleanup(dev); + tasklet_disable(&dev->irq_tasklet); + + if (is_mt7986(&dev->mt76)) + mt7986_wmac_disable(dev); +} + + +int mt7915_register_device(struct mt7915_dev *dev) +{ + struct ieee80211_hw *hw = mt76_hw(dev); + struct mt7915_phy *phy2; + int ret; + + dev->phy.dev = dev; + dev->phy.mt76 = &dev->mt76.phy; + dev->mt76.phy.priv = &dev->phy; + INIT_WORK(&dev->rc_work, mt7915_mac_sta_rc_work); + INIT_DELAYED_WORK(&dev->mphy.mac_work, mt7915_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, mt7915_mac_reset_work); + + dev->dbdc_support = mt7915_band_config(dev); + + phy2 = mt7915_alloc_ext_phy(dev); + if (IS_ERR(phy2)) + return PTR_ERR(phy2); + + ret = mt7915_init_hardware(dev, phy2); + if (ret) + goto free_phy2; + + mt7915_init_wiphy(hw); + +#ifdef CONFIG_NL80211_TESTMODE + dev->mt76.test_ops = &mt7915_testmode_ops; +#endif + + /* init led callbacks */ + if (IS_ENABLED(CONFIG_MT76_LEDS)) { + dev->mt76.led_cdev.brightness_set = mt7915_led_set_brightness; + dev->mt76.led_cdev.blink_set = mt7915_led_set_blink; + } + + ret = mt76_register_device(&dev->mt76, true, mt76_rates, + ARRAY_SIZE(mt76_rates)); + if (ret) + goto stop_hw; + + ret = mt7915_thermal_init(&dev->phy); + if (ret) + goto unreg_dev; + + ieee80211_queue_work(mt76_hw(dev), &dev->init_work); + + if (phy2) { + ret = mt7915_register_ext_phy(dev, phy2); + if (ret) + goto unreg_thermal; + } + + mt7915_init_debugfs(&dev->phy); + + return 0; + +unreg_thermal: + mt7915_unregister_thermal(&dev->phy); +unreg_dev: + mt76_unregister_device(&dev->mt76); +stop_hw: + mt7915_stop_hardware(dev); +free_phy2: + if (phy2) + ieee80211_free_hw(phy2->mt76->hw); + return ret; +} + +void mt7915_unregister_device(struct mt7915_dev *dev) +{ + mt7915_unregister_ext_phy(dev); + mt7915_unregister_thermal(&dev->phy); + mt76_unregister_device(&dev->mt76); + mt7915_stop_hardware(dev); + + mt76_free_device(&dev->mt76); +} |