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1// SPDX-License-Identifier: ISC2/* Copyright (C) 2023 MediaTek Inc. */3 4#include <linux/etherdevice.h>5#include <linux/hwmon.h>6#include <linux/hwmon-sysfs.h>7#include <linux/thermal.h>8#include <linux/firmware.h>9#include "mt7925.h"10#include "mac.h"11#include "mcu.h"12 13static ssize_t mt7925_thermal_temp_show(struct device *dev,14 struct device_attribute *attr,15 char *buf)16{17 switch (to_sensor_dev_attr(attr)->index) {18 case 0: {19 struct mt792x_phy *phy = dev_get_drvdata(dev);20 struct mt792x_dev *mdev = phy->dev;21 int temperature;22 23 mt792x_mutex_acquire(mdev);24 temperature = mt7925_mcu_get_temperature(phy);25 mt792x_mutex_release(mdev);26 27 if (temperature < 0)28 return temperature;29 /* display in millidegree Celsius */30 return sprintf(buf, "%u\n", temperature * 1000);31 }32 default:33 return -EINVAL;34 }35}36static SENSOR_DEVICE_ATTR_RO(temp1_input, mt7925_thermal_temp, 0);37 38static struct attribute *mt7925_hwmon_attrs[] = {39 &sensor_dev_attr_temp1_input.dev_attr.attr,40 NULL,41};42ATTRIBUTE_GROUPS(mt7925_hwmon);43 44static int mt7925_thermal_init(struct mt792x_phy *phy)45{46 struct wiphy *wiphy = phy->mt76->hw->wiphy;47 struct device *hwmon;48 const char *name;49 50 if (!IS_REACHABLE(CONFIG_HWMON))51 return 0;52 53 name = devm_kasprintf(&wiphy->dev, GFP_KERNEL, "mt7925_%s",54 wiphy_name(wiphy));55 56 hwmon = devm_hwmon_device_register_with_groups(&wiphy->dev, name, phy,57 mt7925_hwmon_groups);58 return PTR_ERR_OR_ZERO(hwmon);59}60static void61mt7925_regd_notifier(struct wiphy *wiphy,62 struct regulatory_request *req)63{64 struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);65 struct mt792x_dev *dev = mt792x_hw_dev(hw);66 struct mt76_dev *mdev = &dev->mt76;67 68 /* allow world regdom at the first boot only */69 if (!memcmp(req->alpha2, "00", 2) &&70 mdev->alpha2[0] && mdev->alpha2[1])71 return;72 73 /* do not need to update the same country twice */74 if (!memcmp(req->alpha2, mdev->alpha2, 2) &&75 dev->country_ie_env == req->country_ie_env)76 return;77 78 memcpy(mdev->alpha2, req->alpha2, 2);79 mdev->region = req->dfs_region;80 dev->country_ie_env = req->country_ie_env;81 82 mt792x_mutex_acquire(dev);83 mt7925_mcu_set_clc(dev, req->alpha2, req->country_ie_env);84 mt7925_mcu_set_channel_domain(hw->priv);85 mt7925_set_tx_sar_pwr(hw, NULL);86 mt792x_mutex_release(dev);87}88 89static void mt7925_mac_init_basic_rates(struct mt792x_dev *dev)90{91 int i;92 93 for (i = 0; i < ARRAY_SIZE(mt76_rates); i++) {94 u16 rate = mt76_rates[i].hw_value;95 u16 idx = MT792x_BASIC_RATES_TBL + i;96 97 rate = FIELD_PREP(MT_TX_RATE_MODE, rate >> 8) |98 FIELD_PREP(MT_TX_RATE_IDX, rate & GENMASK(7, 0));99 mt7925_mac_set_fixed_rate_table(dev, idx, rate);100 }101}102 103int mt7925_mac_init(struct mt792x_dev *dev)104{105 int i;106 107 mt76_rmw_field(dev, MT_MDP_DCR1, MT_MDP_DCR1_MAX_RX_LEN, 1536);108 /* enable hardware de-agg */109 mt76_set(dev, MT_MDP_DCR0, MT_MDP_DCR0_DAMSDU_EN);110 111 for (i = 0; i < MT792x_WTBL_SIZE; i++)112 mt7925_mac_wtbl_update(dev, i,113 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);114 for (i = 0; i < 2; i++)115 mt792x_mac_init_band(dev, i);116 117 mt7925_mac_init_basic_rates(dev);118 119 memzero_explicit(&dev->mt76.alpha2, sizeof(dev->mt76.alpha2));120 121 return 0;122}123EXPORT_SYMBOL_GPL(mt7925_mac_init);124 125static int __mt7925_init_hardware(struct mt792x_dev *dev)126{127 int ret;128 129 ret = mt792x_mcu_init(dev);130 if (ret)131 goto out;132 133 mt76_eeprom_override(&dev->mphy);134 135 ret = mt7925_mcu_set_eeprom(dev);136 if (ret)137 goto out;138 139 ret = mt7925_mac_init(dev);140 if (ret)141 goto out;142 143out:144 return ret;145}146 147static int mt7925_init_hardware(struct mt792x_dev *dev)148{149 int ret, i;150 151 set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state);152 153 for (i = 0; i < MT792x_MCU_INIT_RETRY_COUNT; i++) {154 ret = __mt7925_init_hardware(dev);155 if (!ret)156 break;157 158 mt792x_init_reset(dev);159 }160 161 if (i == MT792x_MCU_INIT_RETRY_COUNT) {162 dev_err(dev->mt76.dev, "hardware init failed\n");163 return ret;164 }165 166 return 0;167}168 169static void mt7925_init_work(struct work_struct *work)170{171 struct mt792x_dev *dev = container_of(work, struct mt792x_dev,172 init_work);173 int ret;174 175 ret = mt7925_init_hardware(dev);176 if (ret)177 return;178 179 mt76_set_stream_caps(&dev->mphy, true);180 mt7925_set_stream_he_eht_caps(&dev->phy);181 182 ret = mt7925_init_mlo_caps(&dev->phy);183 if (ret) {184 dev_err(dev->mt76.dev, "MLO init failed\n");185 return;186 }187 188 ret = mt76_register_device(&dev->mt76, true, mt76_rates,189 ARRAY_SIZE(mt76_rates));190 if (ret) {191 dev_err(dev->mt76.dev, "register device failed\n");192 return;193 }194 195 ret = mt7925_init_debugfs(dev);196 if (ret) {197 dev_err(dev->mt76.dev, "register debugfs failed\n");198 return;199 }200 201 ret = mt7925_thermal_init(&dev->phy);202 if (ret) {203 dev_err(dev->mt76.dev, "thermal init failed\n");204 return;205 }206 207 /* we support chip reset now */208 dev->hw_init_done = true;209 210 mt7925_mcu_set_deep_sleep(dev, dev->pm.ds_enable);211}212 213int mt7925_register_device(struct mt792x_dev *dev)214{215 struct ieee80211_hw *hw = mt76_hw(dev);216 int ret;217 218 dev->phy.dev = dev;219 dev->phy.mt76 = &dev->mt76.phy;220 dev->mt76.phy.priv = &dev->phy;221 dev->mt76.tx_worker.fn = mt792x_tx_worker;222 223 INIT_DELAYED_WORK(&dev->pm.ps_work, mt792x_pm_power_save_work);224 INIT_WORK(&dev->pm.wake_work, mt792x_pm_wake_work);225 spin_lock_init(&dev->pm.wake.lock);226 mutex_init(&dev->pm.mutex);227 init_waitqueue_head(&dev->pm.wait);228 spin_lock_init(&dev->pm.txq_lock);229 INIT_DELAYED_WORK(&dev->mphy.mac_work, mt792x_mac_work);230 INIT_DELAYED_WORK(&dev->phy.scan_work, mt7925_scan_work);231 INIT_DELAYED_WORK(&dev->coredump.work, mt7925_coredump_work);232#if IS_ENABLED(CONFIG_IPV6)233 INIT_WORK(&dev->ipv6_ns_work, mt7925_set_ipv6_ns_work);234 skb_queue_head_init(&dev->ipv6_ns_list);235#endif236 skb_queue_head_init(&dev->phy.scan_event_list);237 skb_queue_head_init(&dev->coredump.msg_list);238 239 INIT_WORK(&dev->reset_work, mt7925_mac_reset_work);240 INIT_WORK(&dev->init_work, mt7925_init_work);241 242 INIT_WORK(&dev->phy.roc_work, mt7925_roc_work);243 timer_setup(&dev->phy.roc_timer, mt792x_roc_timer, 0);244 init_waitqueue_head(&dev->phy.roc_wait);245 246 dev->pm.idle_timeout = MT792x_PM_TIMEOUT;247 dev->pm.stats.last_wake_event = jiffies;248 dev->pm.stats.last_doze_event = jiffies;249 if (!mt76_is_usb(&dev->mt76)) {250 dev->pm.enable_user = true;251 dev->pm.enable = true;252 dev->pm.ds_enable_user = true;253 dev->pm.ds_enable = true;254 }255 256 if (!mt76_is_mmio(&dev->mt76))257 hw->extra_tx_headroom += MT_SDIO_TXD_SIZE + MT_SDIO_HDR_SIZE;258 259 mt792x_init_acpi_sar(dev);260 261 ret = mt792x_init_wcid(dev);262 if (ret)263 return ret;264 265 ret = mt792x_init_wiphy(hw);266 if (ret)267 return ret;268 269 hw->wiphy->reg_notifier = mt7925_regd_notifier;270 dev->mphy.sband_2g.sband.ht_cap.cap |=271 IEEE80211_HT_CAP_LDPC_CODING |272 IEEE80211_HT_CAP_MAX_AMSDU;273 dev->mphy.sband_2g.sband.ht_cap.ampdu_density =274 IEEE80211_HT_MPDU_DENSITY_2;275 dev->mphy.sband_5g.sband.ht_cap.cap |=276 IEEE80211_HT_CAP_LDPC_CODING |277 IEEE80211_HT_CAP_MAX_AMSDU;278 dev->mphy.sband_2g.sband.ht_cap.ampdu_density =279 IEEE80211_HT_MPDU_DENSITY_1;280 dev->mphy.sband_5g.sband.vht_cap.cap |=281 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |282 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK |283 IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |284 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE |285 (3 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT);286 dev->mphy.sband_5g.sband.vht_cap.cap |=287 IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ |288 IEEE80211_VHT_CAP_SHORT_GI_160;289 290 dev->mphy.hw->wiphy->available_antennas_rx = dev->mphy.chainmask;291 dev->mphy.hw->wiphy->available_antennas_tx = dev->mphy.chainmask;292 293 queue_work(system_wq, &dev->init_work);294 295 return 0;296}297EXPORT_SYMBOL_GPL(mt7925_register_device);298