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 return 0; 95 } 96 EXPORT_SYMBOL_GPL(mt7925_mac_init); 97 98 static int __mt7925_init_hardware(struct mt792x_dev *dev) 99 { 100 int ret; 101 102 ret = mt792x_mcu_init(dev); 103 if (ret) 104 goto out; 105 106 ret = mt76_eeprom_override(&dev->mphy); 107 if (ret) 108 goto out; 109 110 ret = mt7925_mcu_set_eeprom(dev); 111 if (ret) 112 goto out; 113 114 ret = mt7925_mac_init(dev); 115 if (ret) 116 goto out; 117 118 out: 119 return ret; 120 } 121 122 static int mt7925_init_hardware(struct mt792x_dev *dev) 123 { 124 int ret, i; 125 126 set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state); 127 128 for (i = 0; i < MT792x_MCU_INIT_RETRY_COUNT; i++) { 129 ret = __mt7925_init_hardware(dev); 130 if (!ret) 131 break; 132 133 mt792x_init_reset(dev); 134 } 135 136 if (i == MT792x_MCU_INIT_RETRY_COUNT) { 137 dev_err(dev->mt76.dev, "hardware init failed\n"); 138 return ret; 139 } 140 141 return 0; 142 } 143 144 static void mt7925_init_work(struct work_struct *work) 145 { 146 struct mt792x_dev *dev = container_of(work, struct mt792x_dev, 147 init_work); 148 int ret; 149 150 ret = mt7925_init_hardware(dev); 151 if (ret) 152 return; 153 154 mt76_set_stream_caps(&dev->mphy, true); 155 mt7925_set_stream_he_eht_caps(&dev->phy); 156 mt792x_config_mac_addr_list(dev); 157 158 ret = mt7925_init_mlo_caps(&dev->phy); 159 if (ret) { 160 dev_err(dev->mt76.dev, "MLO init failed\n"); 161 return; 162 } 163 164 ret = mt76_register_device(&dev->mt76, true, mt76_rates, 165 ARRAY_SIZE(mt76_rates)); 166 if (ret) { 167 dev_err(dev->mt76.dev, "register device failed\n"); 168 return; 169 } 170 171 ret = mt7925_init_debugfs(dev); 172 if (ret) { 173 dev_err(dev->mt76.dev, "register debugfs failed\n"); 174 return; 175 } 176 177 ret = mt7925_thermal_init(&dev->phy); 178 if (ret) { 179 dev_err(dev->mt76.dev, "thermal init failed\n"); 180 return; 181 } 182 183 ret = mt7925_mcu_set_thermal_protect(dev); 184 if (ret) { 185 dev_err(dev->mt76.dev, "thermal protection enable failed\n"); 186 return; 187 } 188 189 /* we support chip reset now */ 190 dev->hw_init_done = true; 191 192 mt7925_mcu_set_deep_sleep(dev, dev->pm.ds_enable); 193 } 194 195 int mt7925_register_device(struct mt792x_dev *dev) 196 { 197 struct ieee80211_hw *hw = mt76_hw(dev); 198 int ret; 199 200 dev->phy.dev = dev; 201 dev->phy.mt76 = &dev->mt76.phy; 202 dev->mt76.phy.priv = &dev->phy; 203 dev->mt76.tx_worker.fn = mt792x_tx_worker; 204 205 INIT_DELAYED_WORK(&dev->pm.ps_work, mt792x_pm_power_save_work); 206 INIT_DELAYED_WORK(&dev->mlo_pm_work, mt7925_mlo_pm_work); 207 INIT_WORK(&dev->pm.wake_work, mt792x_pm_wake_work); 208 spin_lock_init(&dev->pm.wake.lock); 209 mutex_init(&dev->pm.mutex); 210 init_waitqueue_head(&dev->pm.wait); 211 init_waitqueue_head(&dev->wait); 212 spin_lock_init(&dev->pm.txq_lock); 213 INIT_DELAYED_WORK(&dev->mphy.mac_work, mt792x_mac_work); 214 INIT_DELAYED_WORK(&dev->phy.scan_work, mt7925_scan_work); 215 INIT_DELAYED_WORK(&dev->coredump.work, mt7925_coredump_work); 216 #if IS_ENABLED(CONFIG_IPV6) 217 INIT_WORK(&dev->ipv6_ns_work, mt7925_set_ipv6_ns_work); 218 skb_queue_head_init(&dev->ipv6_ns_list); 219 #endif 220 skb_queue_head_init(&dev->phy.scan_event_list); 221 skb_queue_head_init(&dev->coredump.msg_list); 222 223 INIT_WORK(&dev->reset_work, mt7925_mac_reset_work); 224 INIT_WORK(&dev->init_work, mt7925_init_work); 225 226 INIT_WORK(&dev->phy.roc_work, mt7925_roc_work); 227 timer_setup(&dev->phy.roc_timer, mt792x_roc_timer, 0); 228 init_waitqueue_head(&dev->phy.roc_wait); 229 230 dev->pm.idle_timeout = MT792x_PM_TIMEOUT; 231 dev->pm.stats.last_wake_event = jiffies; 232 dev->pm.stats.last_doze_event = jiffies; 233 if (!mt76_is_usb(&dev->mt76)) { 234 dev->pm.enable_user = true; 235 dev->pm.enable = true; 236 dev->pm.ds_enable_user = true; 237 dev->pm.ds_enable = true; 238 } 239 240 if (!mt76_is_mmio(&dev->mt76)) 241 hw->extra_tx_headroom += MT_SDIO_TXD_SIZE + MT_SDIO_HDR_SIZE; 242 243 mt792x_init_acpi_sar(dev); 244 245 ret = mt792x_init_wcid(dev); 246 if (ret) 247 return ret; 248 249 ret = mt792x_init_wiphy(hw); 250 if (ret) 251 return ret; 252 253 hw->wiphy->reg_notifier = mt7925_regd_notifier; 254 dev->mphy.sband_2g.sband.ht_cap.cap |= 255 IEEE80211_HT_CAP_LDPC_CODING | 256 IEEE80211_HT_CAP_MAX_AMSDU; 257 dev->mphy.sband_2g.sband.ht_cap.ampdu_density = 258 IEEE80211_HT_MPDU_DENSITY_2; 259 dev->mphy.sband_5g.sband.ht_cap.cap |= 260 IEEE80211_HT_CAP_LDPC_CODING | 261 IEEE80211_HT_CAP_MAX_AMSDU; 262 dev->mphy.sband_2g.sband.ht_cap.ampdu_density = 263 IEEE80211_HT_MPDU_DENSITY_1; 264 dev->mphy.sband_5g.sband.vht_cap.cap |= 265 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 | 266 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK | 267 IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE | 268 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE | 269 (3 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT); 270 dev->mphy.sband_5g.sband.vht_cap.cap |= 271 IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ | 272 IEEE80211_VHT_CAP_SHORT_GI_160; 273 274 dev->mphy.hw->wiphy->available_antennas_rx = dev->mphy.chainmask; 275 dev->mphy.hw->wiphy->available_antennas_tx = dev->mphy.chainmask; 276 277 queue_work(system_percpu_wq, &dev->init_work); 278 279 return 0; 280 } 281 EXPORT_SYMBOL_GPL(mt7925_register_device); 282