1 // SPDX-License-Identifier: BSD-3-Clause-Clear 2 /* 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 "regd.h" 11 #include "mac.h" 12 #include "mcu.h" 13 14 static ssize_t mt7925_thermal_temp_show(struct device *dev, 15 struct device_attribute *attr, 16 char *buf) 17 { 18 switch (to_sensor_dev_attr(attr)->index) { 19 case 0: { 20 struct mt792x_phy *phy = dev_get_drvdata(dev); 21 struct mt792x_dev *mdev = phy->dev; 22 int temperature; 23 24 mt792x_mutex_acquire(mdev); 25 temperature = mt7925_mcu_get_temperature(phy); 26 mt792x_mutex_release(mdev); 27 28 if (temperature < 0) 29 return temperature; 30 /* display in millidegree Celsius */ 31 return sprintf(buf, "%u\n", temperature * 1000); 32 } 33 default: 34 return -EINVAL; 35 } 36 } 37 static SENSOR_DEVICE_ATTR_RO(temp1_input, mt7925_thermal_temp, 0); 38 39 static struct attribute *mt7925_hwmon_attrs[] = { 40 &sensor_dev_attr_temp1_input.dev_attr.attr, 41 NULL, 42 }; 43 ATTRIBUTE_GROUPS(mt7925_hwmon); 44 45 static int mt7925_thermal_init(struct mt792x_phy *phy) 46 { 47 struct wiphy *wiphy = phy->mt76->hw->wiphy; 48 struct device *hwmon; 49 const char *name; 50 51 if (!IS_REACHABLE(CONFIG_HWMON)) 52 return 0; 53 54 name = devm_kasprintf(&wiphy->dev, GFP_KERNEL, "mt7925_%s", 55 wiphy_name(wiphy)); 56 if (!name) 57 return -ENOMEM; 58 59 hwmon = devm_hwmon_device_register_with_groups(&wiphy->dev, name, phy, 60 mt7925_hwmon_groups); 61 return PTR_ERR_OR_ZERO(hwmon); 62 } 63 64 static void mt7925_mac_init_basic_rates(struct mt792x_dev *dev) 65 { 66 int i; 67 68 for (i = 0; i < ARRAY_SIZE(mt76_rates); i++) { 69 u16 rate = mt76_rates[i].hw_value; 70 u16 idx = MT792x_BASIC_RATES_TBL + i; 71 72 rate = FIELD_PREP(MT_TX_RATE_MODE, rate >> 8) | 73 FIELD_PREP(MT_TX_RATE_IDX, rate & GENMASK(7, 0)); 74 mt7925_mac_set_fixed_rate_table(dev, idx, rate); 75 } 76 } 77 78 int mt7925_mac_init(struct mt792x_dev *dev) 79 { 80 int i; 81 82 mt76_rmw_field(dev, MT_MDP_DCR1, MT_MDP_DCR1_MAX_RX_LEN, 1536); 83 /* enable hardware de-agg */ 84 mt76_set(dev, MT_MDP_DCR0, MT_MDP_DCR0_DAMSDU_EN); 85 86 for (i = 0; i < MT792x_WTBL_SIZE; i++) 87 mt7925_mac_wtbl_update(dev, i, 88 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 89 for (i = 0; i < 2; i++) 90 mt792x_mac_init_band(dev, i); 91 92 mt7925_mac_init_basic_rates(dev); 93 94 memzero_explicit(&dev->mt76.alpha2, sizeof(dev->mt76.alpha2)); 95 96 return 0; 97 } 98 EXPORT_SYMBOL_GPL(mt7925_mac_init); 99 100 static int __mt7925_init_hardware(struct mt792x_dev *dev) 101 { 102 int ret; 103 104 ret = mt792x_mcu_init(dev); 105 if (ret) 106 goto out; 107 108 ret = mt76_eeprom_override(&dev->mphy); 109 if (ret) 110 goto out; 111 112 ret = mt7925_mcu_set_eeprom(dev); 113 if (ret) 114 goto out; 115 116 ret = mt7925_mac_init(dev); 117 if (ret) 118 goto out; 119 120 out: 121 return ret; 122 } 123 124 static int mt7925_init_hardware(struct mt792x_dev *dev) 125 { 126 int ret, i; 127 128 set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state); 129 130 for (i = 0; i < MT792x_MCU_INIT_RETRY_COUNT; i++) { 131 ret = __mt7925_init_hardware(dev); 132 if (!ret) 133 break; 134 135 mt792x_init_reset(dev); 136 } 137 138 if (i == MT792x_MCU_INIT_RETRY_COUNT) { 139 dev_err(dev->mt76.dev, "hardware init failed\n"); 140 return ret; 141 } 142 143 return 0; 144 } 145 146 static void mt7925_init_work(struct work_struct *work) 147 { 148 struct mt792x_dev *dev = container_of(work, struct mt792x_dev, 149 init_work); 150 int ret; 151 152 ret = mt7925_init_hardware(dev); 153 if (ret) 154 return; 155 156 mt76_set_stream_caps(&dev->mphy, true); 157 mt7925_set_stream_he_eht_caps(&dev->phy); 158 mt792x_config_mac_addr_list(dev); 159 160 ret = mt7925_init_mlo_caps(&dev->phy); 161 if (ret) { 162 dev_err(dev->mt76.dev, "MLO init failed\n"); 163 return; 164 } 165 166 ret = mt76_register_device(&dev->mt76, true, mt76_rates, 167 ARRAY_SIZE(mt76_rates)); 168 if (ret) { 169 dev_err(dev->mt76.dev, "register device failed\n"); 170 return; 171 } 172 173 ret = mt7925_init_debugfs(dev); 174 if (ret) { 175 dev_err(dev->mt76.dev, "register debugfs failed\n"); 176 return; 177 } 178 179 ret = mt7925_thermal_init(&dev->phy); 180 if (ret) { 181 dev_err(dev->mt76.dev, "thermal init failed\n"); 182 return; 183 } 184 185 ret = mt7925_mcu_set_thermal_protect(dev); 186 if (ret) { 187 dev_err(dev->mt76.dev, "thermal protection enable failed\n"); 188 return; 189 } 190 191 /* we support chip reset now */ 192 dev->hw_init_done = true; 193 194 mt7925_mcu_set_deep_sleep(dev, dev->pm.ds_enable); 195 } 196 197 int mt7925_register_device(struct mt792x_dev *dev) 198 { 199 struct ieee80211_hw *hw = mt76_hw(dev); 200 int ret; 201 202 dev->phy.dev = dev; 203 dev->phy.mt76 = &dev->mt76.phy; 204 dev->mt76.phy.priv = &dev->phy; 205 dev->mt76.tx_worker.fn = mt792x_tx_worker; 206 207 INIT_DELAYED_WORK(&dev->pm.ps_work, mt792x_pm_power_save_work); 208 INIT_DELAYED_WORK(&dev->mlo_pm_work, mt7925_mlo_pm_work); 209 INIT_WORK(&dev->pm.wake_work, mt792x_pm_wake_work); 210 spin_lock_init(&dev->pm.wake.lock); 211 mutex_init(&dev->pm.mutex); 212 init_waitqueue_head(&dev->pm.wait); 213 init_waitqueue_head(&dev->wait); 214 spin_lock_init(&dev->pm.txq_lock); 215 INIT_DELAYED_WORK(&dev->mphy.mac_work, mt792x_mac_work); 216 INIT_DELAYED_WORK(&dev->phy.scan_work, mt7925_scan_work); 217 INIT_DELAYED_WORK(&dev->coredump.work, mt7925_coredump_work); 218 #if IS_ENABLED(CONFIG_IPV6) 219 INIT_WORK(&dev->ipv6_ns_work, mt7925_set_ipv6_ns_work); 220 skb_queue_head_init(&dev->ipv6_ns_list); 221 #endif 222 skb_queue_head_init(&dev->phy.scan_event_list); 223 skb_queue_head_init(&dev->coredump.msg_list); 224 225 INIT_WORK(&dev->reset_work, mt7925_mac_reset_work); 226 INIT_WORK(&dev->init_work, mt7925_init_work); 227 228 INIT_WORK(&dev->phy.roc_work, mt7925_roc_work); 229 timer_setup(&dev->phy.roc_timer, mt792x_roc_timer, 0); 230 init_waitqueue_head(&dev->phy.roc_wait); 231 232 dev->pm.idle_timeout = MT792x_PM_TIMEOUT; 233 dev->pm.stats.last_wake_event = jiffies; 234 dev->pm.stats.last_doze_event = jiffies; 235 if (!mt76_is_usb(&dev->mt76)) { 236 dev->pm.enable_user = true; 237 dev->pm.enable = true; 238 dev->pm.ds_enable_user = true; 239 dev->pm.ds_enable = true; 240 } 241 242 if (!mt76_is_mmio(&dev->mt76)) 243 hw->extra_tx_headroom += MT_SDIO_TXD_SIZE + MT_SDIO_HDR_SIZE; 244 245 mt792x_init_acpi_sar(dev); 246 247 ret = mt792x_init_wcid(dev); 248 if (ret) 249 return ret; 250 251 ret = mt792x_init_wiphy(hw); 252 if (ret) 253 return ret; 254 255 hw->wiphy->reg_notifier = mt7925_regd_notifier; 256 dev->mphy.sband_2g.sband.ht_cap.cap |= 257 IEEE80211_HT_CAP_LDPC_CODING | 258 IEEE80211_HT_CAP_MAX_AMSDU; 259 dev->mphy.sband_2g.sband.ht_cap.ampdu_density = 260 IEEE80211_HT_MPDU_DENSITY_2; 261 dev->mphy.sband_5g.sband.ht_cap.cap |= 262 IEEE80211_HT_CAP_LDPC_CODING | 263 IEEE80211_HT_CAP_MAX_AMSDU; 264 dev->mphy.sband_2g.sband.ht_cap.ampdu_density = 265 IEEE80211_HT_MPDU_DENSITY_1; 266 dev->mphy.sband_5g.sband.vht_cap.cap |= 267 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 | 268 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK | 269 IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE | 270 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE | 271 (3 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT); 272 dev->mphy.sband_5g.sband.vht_cap.cap |= 273 IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ | 274 IEEE80211_VHT_CAP_SHORT_GI_160; 275 276 dev->mphy.hw->wiphy->available_antennas_rx = dev->mphy.chainmask; 277 dev->mphy.hw->wiphy->available_antennas_tx = dev->mphy.chainmask; 278 279 queue_work(system_percpu_wq, &dev->init_work); 280 281 return 0; 282 } 283 EXPORT_SYMBOL_GPL(mt7925_register_device); 284