diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7921/init.c')
-rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7921/init.c | 343 |
1 files changed, 78 insertions, 265 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/init.c b/drivers/net/wireless/mediatek/mt76/mt7921/init.c index bf1da9fddfab..ff63f37f67d9 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/init.c @@ -2,259 +2,84 @@ /* Copyright (C) 2020 MediaTek Inc. */ #include <linux/etherdevice.h> +#include <linux/hwmon.h> +#include <linux/hwmon-sysfs.h> +#include <linux/thermal.h> #include <linux/firmware.h> #include "mt7921.h" #include "../mt76_connac2_mac.h" #include "mcu.h" -static const struct ieee80211_iface_limit if_limits[] = { - { - .max = MT7921_MAX_INTERFACES, - .types = BIT(NL80211_IFTYPE_STATION) - }, - { - .max = 1, - .types = BIT(NL80211_IFTYPE_AP) +static ssize_t mt7921_thermal_temp_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + switch (to_sensor_dev_attr(attr)->index) { + case 0: { + struct mt792x_phy *phy = dev_get_drvdata(dev); + struct mt792x_dev *mdev = phy->dev; + int temperature; + + mt792x_mutex_acquire(mdev); + temperature = mt7921_mcu_get_temperature(phy); + mt792x_mutex_release(mdev); + + if (temperature < 0) + return temperature; + /* display in millidegree Celsius */ + return sprintf(buf, "%u\n", temperature * 1000); } -}; + default: + return -EINVAL; + } +} +static SENSOR_DEVICE_ATTR_RO(temp1_input, mt7921_thermal_temp, 0); -static const struct ieee80211_iface_combination if_comb[] = { - { - .limits = if_limits, - .n_limits = ARRAY_SIZE(if_limits), - .max_interfaces = MT7921_MAX_INTERFACES, - .num_different_channels = 1, - .beacon_int_infra_match = true, - }, +static struct attribute *mt7921_hwmon_attrs[] = { + &sensor_dev_attr_temp1_input.dev_attr.attr, + NULL, }; +ATTRIBUTE_GROUPS(mt7921_hwmon); -static const struct ieee80211_iface_limit if_limits_chanctx[] = { - { - .max = 2, - .types = BIT(NL80211_IFTYPE_STATION) | - BIT(NL80211_IFTYPE_P2P_CLIENT) - }, - { - .max = 1, - .types = BIT(NL80211_IFTYPE_AP) | - BIT(NL80211_IFTYPE_P2P_GO) - } -}; +static int mt7921_thermal_init(struct mt792x_phy *phy) +{ + struct wiphy *wiphy = phy->mt76->hw->wiphy; + struct device *hwmon; + const char *name; -static const struct ieee80211_iface_combination if_comb_chanctx[] = { - { - .limits = if_limits_chanctx, - .n_limits = ARRAY_SIZE(if_limits_chanctx), - .max_interfaces = 2, - .num_different_channels = 2, - .beacon_int_infra_match = false, - } -}; + if (!IS_REACHABLE(CONFIG_HWMON)) + return 0; + + name = devm_kasprintf(&wiphy->dev, GFP_KERNEL, "mt7921_%s", + wiphy_name(wiphy)); + + hwmon = devm_hwmon_device_register_with_groups(&wiphy->dev, name, phy, + mt7921_hwmon_groups); + if (IS_ERR(hwmon)) + return PTR_ERR(hwmon); + + return 0; +} static void mt7921_regd_notifier(struct wiphy *wiphy, struct regulatory_request *request) { struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); - struct mt7921_dev *dev = mt7921_hw_dev(hw); + struct mt792x_dev *dev = mt792x_hw_dev(hw); memcpy(dev->mt76.alpha2, request->alpha2, sizeof(dev->mt76.alpha2)); dev->mt76.region = request->dfs_region; dev->country_ie_env = request->country_ie_env; - mt7921_mutex_acquire(dev); + mt792x_mutex_acquire(dev); mt7921_mcu_set_clc(dev, request->alpha2, request->country_ie_env); mt76_connac_mcu_set_channel_domain(hw->priv); mt7921_set_tx_sar_pwr(hw, NULL); - mt7921_mutex_release(dev); + mt792x_mutex_release(dev); } -static int -mt7921_init_wiphy(struct ieee80211_hw *hw) -{ - struct mt7921_phy *phy = mt7921_hw_phy(hw); - struct mt7921_dev *dev = phy->dev; - struct wiphy *wiphy = hw->wiphy; - - 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 mt7921_sta); - hw->vif_data_size = sizeof(struct mt7921_vif); - - if (dev->fw_features & MT7921_FW_CAP_CNM) { - wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; - wiphy->iface_combinations = if_comb_chanctx; - wiphy->n_iface_combinations = ARRAY_SIZE(if_comb_chanctx); - } else { - wiphy->flags &= ~WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; - wiphy->iface_combinations = if_comb; - wiphy->n_iface_combinations = ARRAY_SIZE(if_comb); - } - wiphy->flags &= ~(WIPHY_FLAG_IBSS_RSN | WIPHY_FLAG_4ADDR_AP | - WIPHY_FLAG_4ADDR_STATION); - wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | - BIT(NL80211_IFTYPE_AP) | - BIT(NL80211_IFTYPE_P2P_CLIENT) | - BIT(NL80211_IFTYPE_P2P_GO); - wiphy->max_remain_on_channel_duration = 5000; - wiphy->max_scan_ie_len = MT76_CONNAC_SCAN_IE_LEN; - wiphy->max_scan_ssids = 4; - wiphy->max_sched_scan_plan_interval = - MT76_CONNAC_MAX_TIME_SCHED_SCAN_INTERVAL; - wiphy->max_sched_scan_ie_len = IEEE80211_MAX_DATA_LEN; - wiphy->max_sched_scan_ssids = MT76_CONNAC_MAX_SCHED_SCAN_SSID; - wiphy->max_match_sets = MT76_CONNAC_MAX_SCAN_MATCH; - wiphy->max_sched_scan_reqs = 1; - wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; - wiphy->reg_notifier = mt7921_regd_notifier; - - wiphy->features |= NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR | - NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR; - wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_SET_SCAN_DWELL); - 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_ACK_SIGNAL_SUPPORT); - wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_CAN_REPLACE_PTK0); - - ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS); - 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); - ieee80211_hw_set(hw, SUPPORTS_PS); - ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS); - ieee80211_hw_set(hw, SUPPORTS_VHT_EXT_NSS_BW); - ieee80211_hw_set(hw, CONNECTION_MONITOR); - - if (dev->pm.enable) - ieee80211_hw_set(hw, CONNECTION_MONITOR); - - hw->max_tx_fragments = 4; - - return 0; -} - -static void -mt7921_mac_init_band(struct mt7921_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); - - mt76_set(dev, MT_WF_RMAC_MIB_TIME0(band), MT_WF_RMAC_MIB_RXTIME_EN); - mt76_set(dev, MT_WF_RMAC_MIB_AIRTIME0(band), MT_WF_RMAC_MIB_RXTIME_EN); - - /* enable MIB tx-rx time reporting */ - mt76_set(dev, MT_MIB_SCR1(band), MT_MIB_TXDUR_EN); - mt76_set(dev, MT_MIB_SCR1(band), MT_MIB_RXDUR_EN); - - mt76_rmw_field(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_MAX_RX_LEN, 1536); - /* disable rx rate report by default due to hw issues */ - mt76_clear(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_RXD_G5_EN); - - /* filter out non-resp frames and get instantaneous signal reporting */ - mask = MT_WTBLOFF_TOP_RSCR_RCPI_MODE | MT_WTBLOFF_TOP_RSCR_RCPI_PARAM; - set = FIELD_PREP(MT_WTBLOFF_TOP_RSCR_RCPI_MODE, 0) | - FIELD_PREP(MT_WTBLOFF_TOP_RSCR_RCPI_PARAM, 0x3); - mt76_rmw(dev, MT_WTBLOFF_TOP_RSCR(band), mask, set); -} - -static u8 -mt7921_get_offload_capability(struct device *dev, const char *fw_wm) -{ - const struct mt76_connac2_fw_trailer *hdr; - struct mt7921_realease_info *rel_info; - const struct firmware *fw; - int ret, i, offset = 0; - const u8 *data, *end; - u8 offload_caps = 0; - - ret = request_firmware(&fw, fw_wm, dev); - if (ret) - return ret; - - if (!fw || !fw->data || fw->size < sizeof(*hdr)) { - dev_err(dev, "Invalid firmware\n"); - goto out; - } - - data = fw->data; - hdr = (const void *)(fw->data + fw->size - sizeof(*hdr)); - - for (i = 0; i < hdr->n_region; i++) { - const struct mt76_connac2_fw_region *region; - - region = (const void *)((const u8 *)hdr - - (hdr->n_region - i) * sizeof(*region)); - offset += le32_to_cpu(region->len); - } - - data += offset + 16; - rel_info = (struct mt7921_realease_info *)data; - data += sizeof(*rel_info); - end = data + le16_to_cpu(rel_info->len); - - while (data < end) { - rel_info = (struct mt7921_realease_info *)data; - data += sizeof(*rel_info); - - if (rel_info->tag == MT7921_FW_TAG_FEATURE) { - struct mt7921_fw_features *features; - - features = (struct mt7921_fw_features *)data; - offload_caps = features->data; - break; - } - - data += le16_to_cpu(rel_info->len) + rel_info->pad_len; - } - -out: - release_firmware(fw); - - return offload_caps; -} - -struct ieee80211_ops * -mt7921_get_mac80211_ops(struct device *dev, void *drv_data, u8 *fw_features) -{ - struct ieee80211_ops *ops; - - ops = devm_kmemdup(dev, &mt7921_ops, sizeof(mt7921_ops), GFP_KERNEL); - if (!ops) - return NULL; - - *fw_features = mt7921_get_offload_capability(dev, drv_data); - if (!(*fw_features & MT7921_FW_CAP_CNM)) { - ops->remain_on_channel = NULL; - ops->cancel_remain_on_channel = NULL; - ops->add_chanctx = NULL; - ops->remove_chanctx = NULL; - ops->change_chanctx = NULL; - ops->assign_vif_chanctx = NULL; - ops->unassign_vif_chanctx = NULL; - ops->mgd_prepare_tx = NULL; - ops->mgd_complete_tx = NULL; - } - return ops; -} -EXPORT_SYMBOL_GPL(mt7921_get_mac80211_ops); - -int mt7921_mac_init(struct mt7921_dev *dev) +int mt7921_mac_init(struct mt792x_dev *dev) { int i; @@ -264,17 +89,17 @@ int mt7921_mac_init(struct mt7921_dev *dev) /* enable hardware rx header translation */ mt76_set(dev, MT_MDP_DCR0, MT_MDP_DCR0_RX_HDR_TRANS_EN); - for (i = 0; i < MT7921_WTBL_SIZE; i++) + for (i = 0; i < MT792x_WTBL_SIZE; i++) mt7921_mac_wtbl_update(dev, i, MT_WTBL_UPDATE_ADM_COUNT_CLEAR); for (i = 0; i < 2; i++) - mt7921_mac_init_band(dev, i); + mt792x_mac_init_band(dev, i); return mt76_connac_mcu_set_rts_thresh(&dev->mt76, 0x92b, 0); } EXPORT_SYMBOL_GPL(mt7921_mac_init); -static int __mt7921_init_hardware(struct mt7921_dev *dev) +static int __mt7921_init_hardware(struct mt792x_dev *dev) { int ret; @@ -282,7 +107,7 @@ static int __mt7921_init_hardware(struct mt7921_dev *dev) * which should be set before firmware download stage. */ mt76_wr(dev, MT_SWDEF_MODE, MT_SWDEF_NORMAL_MODE); - ret = mt7921_mcu_init(dev); + ret = mt792x_mcu_init(dev); if (ret) goto out; @@ -297,21 +122,21 @@ out: return ret; } -static int mt7921_init_hardware(struct mt7921_dev *dev) +static int mt7921_init_hardware(struct mt792x_dev *dev) { int ret, i; set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state); - for (i = 0; i < MT7921_MCU_INIT_RETRY_COUNT; i++) { + for (i = 0; i < MT792x_MCU_INIT_RETRY_COUNT; i++) { ret = __mt7921_init_hardware(dev); if (!ret) break; - mt7921_init_reset(dev); + mt792x_init_reset(dev); } - if (i == MT7921_MCU_INIT_RETRY_COUNT) { + if (i == MT792x_MCU_INIT_RETRY_COUNT) { dev_err(dev->mt76.dev, "hardware init failed\n"); return ret; } @@ -319,26 +144,9 @@ static int mt7921_init_hardware(struct mt7921_dev *dev) return 0; } -static int mt7921_init_wcid(struct mt7921_dev *dev) -{ - int idx; - - /* Beacon and mgmt frames should occupy wcid 0 */ - idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7921_WTBL_STA - 1); - 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; -} - static void mt7921_init_work(struct work_struct *work) { - struct mt7921_dev *dev = container_of(work, struct mt7921_dev, + struct mt792x_dev *dev = container_of(work, struct mt792x_dev, init_work); int ret; @@ -362,13 +170,19 @@ static void mt7921_init_work(struct work_struct *work) return; } + ret = mt7921_thermal_init(&dev->phy); + if (ret) { + dev_err(dev->mt76.dev, "thermal init failed\n"); + return; + } + /* we support chip reset now */ dev->hw_init_done = true; mt76_connac_mcu_set_deep_sleep(&dev->mt76, dev->pm.ds_enable); } -int mt7921_register_device(struct mt7921_dev *dev) +int mt7921_register_device(struct mt792x_dev *dev) { struct ieee80211_hw *hw = mt76_hw(dev); int ret; @@ -376,17 +190,17 @@ int mt7921_register_device(struct mt7921_dev *dev) dev->phy.dev = dev; dev->phy.mt76 = &dev->mt76.phy; dev->mt76.phy.priv = &dev->phy; - dev->mt76.tx_worker.fn = mt7921_tx_worker; + dev->mt76.tx_worker.fn = mt792x_tx_worker; - INIT_DELAYED_WORK(&dev->pm.ps_work, mt7921_pm_power_save_work); - INIT_WORK(&dev->pm.wake_work, mt7921_pm_wake_work); + INIT_DELAYED_WORK(&dev->pm.ps_work, mt792x_pm_power_save_work); + INIT_WORK(&dev->pm.wake_work, mt792x_pm_wake_work); spin_lock_init(&dev->pm.wake.lock); mutex_init(&dev->pm.mutex); init_waitqueue_head(&dev->pm.wait); if (mt76_is_sdio(&dev->mt76)) init_waitqueue_head(&dev->mt76.sdio.wait); spin_lock_init(&dev->pm.txq_lock); - INIT_DELAYED_WORK(&dev->mphy.mac_work, mt7921_mac_work); + INIT_DELAYED_WORK(&dev->mphy.mac_work, mt792x_mac_work); INIT_DELAYED_WORK(&dev->phy.scan_work, mt7921_scan_work); INIT_DELAYED_WORK(&dev->coredump.work, mt7921_coredump_work); #if IS_ENABLED(CONFIG_IPV6) @@ -395,17 +209,15 @@ int mt7921_register_device(struct mt7921_dev *dev) #endif skb_queue_head_init(&dev->phy.scan_event_list); skb_queue_head_init(&dev->coredump.msg_list); - INIT_LIST_HEAD(&dev->sta_poll_list); - spin_lock_init(&dev->sta_poll_lock); INIT_WORK(&dev->reset_work, mt7921_mac_reset_work); INIT_WORK(&dev->init_work, mt7921_init_work); INIT_WORK(&dev->phy.roc_work, mt7921_roc_work); - timer_setup(&dev->phy.roc_timer, mt7921_roc_timer, 0); + timer_setup(&dev->phy.roc_timer, mt792x_roc_timer, 0); init_waitqueue_head(&dev->phy.roc_wait); - dev->pm.idle_timeout = MT7921_PM_TIMEOUT; + dev->pm.idle_timeout = MT792x_PM_TIMEOUT; dev->pm.stats.last_wake_event = jiffies; dev->pm.stats.last_doze_event = jiffies; if (!mt76_is_usb(&dev->mt76)) { @@ -418,16 +230,17 @@ int mt7921_register_device(struct mt7921_dev *dev) if (!mt76_is_mmio(&dev->mt76)) hw->extra_tx_headroom += MT_SDIO_TXD_SIZE + MT_SDIO_HDR_SIZE; - mt7921_init_acpi_sar(dev); + mt792x_init_acpi_sar(dev); - ret = mt7921_init_wcid(dev); + ret = mt792x_init_wcid(dev); if (ret) return ret; - ret = mt7921_init_wiphy(hw); + ret = mt792x_init_wiphy(hw); if (ret) return ret; + hw->wiphy->reg_notifier = mt7921_regd_notifier; dev->mphy.sband_2g.sband.ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING | IEEE80211_HT_CAP_MAX_AMSDU; |