1 // SPDX-License-Identifier: ISC 2 /* Copyright (C) 2020 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 "mt7915.h" 9 #include "mac.h" 10 #include "mcu.h" 11 #include "eeprom.h" 12 13 static const struct ieee80211_iface_limit if_limits[] = { 14 { 15 .max = 1, 16 .types = BIT(NL80211_IFTYPE_ADHOC) 17 }, { 18 .max = 16, 19 .types = BIT(NL80211_IFTYPE_AP) 20 #ifdef CONFIG_MAC80211_MESH 21 | BIT(NL80211_IFTYPE_MESH_POINT) 22 #endif 23 }, { 24 .max = MT7915_MAX_INTERFACES, 25 .types = BIT(NL80211_IFTYPE_STATION) 26 } 27 }; 28 29 static const struct ieee80211_iface_combination if_comb[] = { 30 { 31 .limits = if_limits, 32 .n_limits = ARRAY_SIZE(if_limits), 33 .max_interfaces = MT7915_MAX_INTERFACES, 34 .num_different_channels = 1, 35 .beacon_int_infra_match = true, 36 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | 37 BIT(NL80211_CHAN_WIDTH_20) | 38 BIT(NL80211_CHAN_WIDTH_40) | 39 BIT(NL80211_CHAN_WIDTH_80) | 40 BIT(NL80211_CHAN_WIDTH_160) | 41 BIT(NL80211_CHAN_WIDTH_80P80), 42 } 43 }; 44 45 static ssize_t mt7915_thermal_show_temp(struct device *dev, 46 struct device_attribute *attr, 47 char *buf) 48 { 49 struct mt7915_phy *phy = dev_get_drvdata(dev); 50 int temperature; 51 52 temperature = mt7915_mcu_get_temperature(phy); 53 if (temperature < 0) 54 return temperature; 55 56 /* display in millidegree celcius */ 57 return sprintf(buf, "%u\n", temperature * 1000); 58 } 59 60 static SENSOR_DEVICE_ATTR(temp1_input, 0444, mt7915_thermal_show_temp, 61 NULL, 0); 62 63 static struct attribute *mt7915_hwmon_attrs[] = { 64 &sensor_dev_attr_temp1_input.dev_attr.attr, 65 NULL, 66 }; 67 ATTRIBUTE_GROUPS(mt7915_hwmon); 68 69 static int 70 mt7915_thermal_get_max_throttle_state(struct thermal_cooling_device *cdev, 71 unsigned long *state) 72 { 73 *state = MT7915_THERMAL_THROTTLE_MAX; 74 75 return 0; 76 } 77 78 static int 79 mt7915_thermal_get_cur_throttle_state(struct thermal_cooling_device *cdev, 80 unsigned long *state) 81 { 82 struct mt7915_phy *phy = cdev->devdata; 83 84 *state = phy->throttle_state; 85 86 return 0; 87 } 88 89 static int 90 mt7915_thermal_set_cur_throttle_state(struct thermal_cooling_device *cdev, 91 unsigned long state) 92 { 93 struct mt7915_phy *phy = cdev->devdata; 94 int ret; 95 96 if (state > MT7915_THERMAL_THROTTLE_MAX) 97 return -EINVAL; 98 99 if (state == phy->throttle_state) 100 return 0; 101 102 ret = mt7915_mcu_set_thermal_throttling(phy, state); 103 if (ret) 104 return ret; 105 106 phy->throttle_state = state; 107 108 return 0; 109 } 110 111 static const struct thermal_cooling_device_ops mt7915_thermal_ops = { 112 .get_max_state = mt7915_thermal_get_max_throttle_state, 113 .get_cur_state = mt7915_thermal_get_cur_throttle_state, 114 .set_cur_state = mt7915_thermal_set_cur_throttle_state, 115 }; 116 117 static void mt7915_unregister_thermal(struct mt7915_phy *phy) 118 { 119 struct wiphy *wiphy = phy->mt76->hw->wiphy; 120 121 if (!phy->cdev) 122 return; 123 124 sysfs_remove_link(&wiphy->dev.kobj, "cooling_device"); 125 thermal_cooling_device_unregister(phy->cdev); 126 } 127 128 static int mt7915_thermal_init(struct mt7915_phy *phy) 129 { 130 struct wiphy *wiphy = phy->mt76->hw->wiphy; 131 struct thermal_cooling_device *cdev; 132 struct device *hwmon; 133 134 cdev = thermal_cooling_device_register(wiphy_name(wiphy), phy, 135 &mt7915_thermal_ops); 136 if (!IS_ERR(cdev)) { 137 if (sysfs_create_link(&wiphy->dev.kobj, &cdev->device.kobj, 138 "cooling_device") < 0) 139 thermal_cooling_device_unregister(cdev); 140 else 141 phy->cdev = cdev; 142 } 143 144 if (!IS_REACHABLE(CONFIG_HWMON)) 145 return 0; 146 147 hwmon = devm_hwmon_device_register_with_groups(&wiphy->dev, 148 wiphy_name(wiphy), phy, 149 mt7915_hwmon_groups); 150 if (IS_ERR(hwmon)) 151 return PTR_ERR(hwmon); 152 153 return 0; 154 } 155 156 static void 157 mt7915_init_txpower(struct mt7915_dev *dev, 158 struct ieee80211_supported_band *sband) 159 { 160 int i, n_chains = hweight8(dev->mphy.antenna_mask); 161 int nss_delta = mt76_tx_power_nss_delta(n_chains); 162 int pwr_delta = mt7915_eeprom_get_power_delta(dev, sband->band); 163 struct mt76_power_limits limits; 164 165 for (i = 0; i < sband->n_channels; i++) { 166 struct ieee80211_channel *chan = &sband->channels[i]; 167 u32 target_power = 0; 168 int j; 169 170 for (j = 0; j < n_chains; j++) { 171 u32 val; 172 173 val = mt7915_eeprom_get_target_power(dev, chan, j); 174 target_power = max(target_power, val); 175 } 176 177 target_power += pwr_delta; 178 target_power = mt76_get_rate_power_limits(&dev->mphy, chan, 179 &limits, 180 target_power); 181 target_power += nss_delta; 182 target_power = DIV_ROUND_UP(target_power, 2); 183 chan->max_power = min_t(int, chan->max_reg_power, 184 target_power); 185 chan->orig_mpwr = target_power; 186 } 187 } 188 189 static void 190 mt7915_regd_notifier(struct wiphy *wiphy, 191 struct regulatory_request *request) 192 { 193 struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); 194 struct mt7915_dev *dev = mt7915_hw_dev(hw); 195 struct mt76_phy *mphy = hw->priv; 196 struct mt7915_phy *phy = mphy->priv; 197 struct cfg80211_chan_def *chandef = &mphy->chandef; 198 199 memcpy(dev->mt76.alpha2, request->alpha2, sizeof(dev->mt76.alpha2)); 200 dev->mt76.region = request->dfs_region; 201 202 mt7915_init_txpower(dev, &mphy->sband_2g.sband); 203 mt7915_init_txpower(dev, &mphy->sband_5g.sband); 204 205 if (!(chandef->chan->flags & IEEE80211_CHAN_RADAR)) 206 return; 207 208 mt7915_dfs_init_radar_detector(phy); 209 } 210 211 static void 212 mt7915_init_wiphy(struct ieee80211_hw *hw) 213 { 214 struct mt7915_phy *phy = mt7915_hw_phy(hw); 215 struct wiphy *wiphy = hw->wiphy; 216 217 hw->queues = 4; 218 hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF; 219 hw->max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF; 220 hw->netdev_features = NETIF_F_RXCSUM; 221 222 hw->radiotap_timestamp.units_pos = 223 IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US; 224 225 phy->slottime = 9; 226 227 hw->sta_data_size = sizeof(struct mt7915_sta); 228 hw->vif_data_size = sizeof(struct mt7915_vif); 229 230 wiphy->iface_combinations = if_comb; 231 wiphy->n_iface_combinations = ARRAY_SIZE(if_comb); 232 wiphy->reg_notifier = mt7915_regd_notifier; 233 wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; 234 235 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_VHT_IBSS); 236 237 ieee80211_hw_set(hw, HAS_RATE_CONTROL); 238 ieee80211_hw_set(hw, SUPPORTS_TX_ENCAP_OFFLOAD); 239 ieee80211_hw_set(hw, SUPPORTS_RX_DECAP_OFFLOAD); 240 ieee80211_hw_set(hw, WANT_MONITOR_VIF); 241 242 hw->max_tx_fragments = 4; 243 244 if (phy->mt76->cap.has_2ghz) 245 phy->mt76->sband_2g.sband.ht_cap.cap |= 246 IEEE80211_HT_CAP_LDPC_CODING | 247 IEEE80211_HT_CAP_MAX_AMSDU; 248 249 if (phy->mt76->cap.has_5ghz) { 250 phy->mt76->sband_5g.sband.ht_cap.cap |= 251 IEEE80211_HT_CAP_LDPC_CODING | 252 IEEE80211_HT_CAP_MAX_AMSDU; 253 phy->mt76->sband_5g.sband.vht_cap.cap |= 254 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 | 255 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK; 256 } 257 258 mt76_set_stream_caps(phy->mt76, true); 259 mt7915_set_stream_vht_txbf_caps(phy); 260 mt7915_set_stream_he_caps(phy); 261 } 262 263 static void 264 mt7915_mac_init_band(struct mt7915_dev *dev, u8 band) 265 { 266 u32 mask, set; 267 268 mt76_rmw_field(dev, MT_TMAC_CTCR0(band), 269 MT_TMAC_CTCR0_INS_DDLMT_REFTIME, 0x3f); 270 mt76_set(dev, MT_TMAC_CTCR0(band), 271 MT_TMAC_CTCR0_INS_DDLMT_VHT_SMPDU_EN | 272 MT_TMAC_CTCR0_INS_DDLMT_EN); 273 274 mask = MT_MDP_RCFR0_MCU_RX_MGMT | 275 MT_MDP_RCFR0_MCU_RX_CTL_NON_BAR | 276 MT_MDP_RCFR0_MCU_RX_CTL_BAR; 277 set = FIELD_PREP(MT_MDP_RCFR0_MCU_RX_MGMT, MT_MDP_TO_HIF) | 278 FIELD_PREP(MT_MDP_RCFR0_MCU_RX_CTL_NON_BAR, MT_MDP_TO_HIF) | 279 FIELD_PREP(MT_MDP_RCFR0_MCU_RX_CTL_BAR, MT_MDP_TO_HIF); 280 mt76_rmw(dev, MT_MDP_BNRCFR0(band), mask, set); 281 282 mask = MT_MDP_RCFR1_MCU_RX_BYPASS | 283 MT_MDP_RCFR1_RX_DROPPED_UCAST | 284 MT_MDP_RCFR1_RX_DROPPED_MCAST; 285 set = FIELD_PREP(MT_MDP_RCFR1_MCU_RX_BYPASS, MT_MDP_TO_HIF) | 286 FIELD_PREP(MT_MDP_RCFR1_RX_DROPPED_UCAST, MT_MDP_TO_HIF) | 287 FIELD_PREP(MT_MDP_RCFR1_RX_DROPPED_MCAST, MT_MDP_TO_HIF); 288 mt76_rmw(dev, MT_MDP_BNRCFR1(band), mask, set); 289 290 mt76_set(dev, MT_WF_RMAC_MIB_AIRTIME0(band), MT_WF_RMAC_MIB_RXTIME_EN); 291 292 mt76_rmw_field(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_MAX_RX_LEN, 1536); 293 /* disable rx rate report by default due to hw issues */ 294 mt76_clear(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_RXD_G5_EN); 295 } 296 297 static void mt7915_mac_init(struct mt7915_dev *dev) 298 { 299 int i; 300 301 mt76_rmw_field(dev, MT_MDP_DCR1, MT_MDP_DCR1_MAX_RX_LEN, 1536); 302 /* enable hardware de-agg */ 303 mt76_set(dev, MT_MDP_DCR0, MT_MDP_DCR0_DAMSDU_EN); 304 305 for (i = 0; i < MT7915_WTBL_SIZE; i++) 306 mt7915_mac_wtbl_update(dev, i, 307 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 308 for (i = 0; i < 2; i++) 309 mt7915_mac_init_band(dev, i); 310 } 311 312 static int mt7915_txbf_init(struct mt7915_dev *dev) 313 { 314 int ret; 315 316 if (dev->dbdc_support) { 317 ret = mt7915_mcu_set_txbf(dev, MT_BF_MODULE_UPDATE); 318 if (ret) 319 return ret; 320 } 321 322 /* trigger sounding packets */ 323 ret = mt7915_mcu_set_txbf(dev, MT_BF_SOUNDING_ON); 324 if (ret) 325 return ret; 326 327 /* enable eBF */ 328 return mt7915_mcu_set_txbf(dev, MT_BF_TYPE_UPDATE); 329 } 330 331 static int mt7915_register_ext_phy(struct mt7915_dev *dev) 332 { 333 struct mt7915_phy *phy = mt7915_ext_phy(dev); 334 struct mt76_phy *mphy; 335 int ret; 336 337 if (!dev->dbdc_support) 338 return 0; 339 340 if (phy) 341 return 0; 342 343 mphy = mt76_alloc_phy(&dev->mt76, sizeof(*phy), &mt7915_ops); 344 if (!mphy) 345 return -ENOMEM; 346 347 phy = mphy->priv; 348 phy->dev = dev; 349 phy->mt76 = mphy; 350 mphy->chainmask = dev->chainmask & ~dev->mphy.chainmask; 351 mphy->antenna_mask = BIT(hweight8(mphy->chainmask)) - 1; 352 353 INIT_LIST_HEAD(&phy->stats_list); 354 INIT_DELAYED_WORK(&mphy->mac_work, mt7915_mac_work); 355 356 mt7915_eeprom_parse_band_config(phy); 357 mt7915_init_wiphy(mphy->hw); 358 359 memcpy(mphy->macaddr, dev->mt76.eeprom.data + MT_EE_MAC_ADDR2, 360 ETH_ALEN); 361 mt76_eeprom_override(mphy); 362 363 ret = mt7915_init_tx_queues(phy, MT7915_TXQ_BAND1, 364 MT7915_TX_RING_SIZE); 365 if (ret) 366 goto error; 367 368 ret = mt76_register_phy(mphy, true, mt76_rates, 369 ARRAY_SIZE(mt76_rates)); 370 if (ret) 371 goto error; 372 373 ret = mt7915_thermal_init(phy); 374 if (ret) 375 goto error; 376 377 return 0; 378 379 error: 380 ieee80211_free_hw(mphy->hw); 381 return ret; 382 } 383 384 static void mt7915_init_work(struct work_struct *work) 385 { 386 struct mt7915_dev *dev = container_of(work, struct mt7915_dev, 387 init_work); 388 389 mt7915_mcu_set_eeprom(dev); 390 mt7915_mac_init(dev); 391 mt7915_init_txpower(dev, &dev->mphy.sband_2g.sband); 392 mt7915_init_txpower(dev, &dev->mphy.sband_5g.sband); 393 mt7915_txbf_init(dev); 394 } 395 396 static void mt7915_wfsys_reset(struct mt7915_dev *dev) 397 { 398 u32 val = MT_TOP_PWR_KEY | MT_TOP_PWR_SW_PWR_ON | MT_TOP_PWR_PWR_ON; 399 400 #define MT_MCU_DUMMY_RANDOM GENMASK(15, 0) 401 #define MT_MCU_DUMMY_DEFAULT GENMASK(31, 16) 402 403 mt76_wr(dev, MT_MCU_WFDMA0_DUMMY_CR, MT_MCU_DUMMY_RANDOM); 404 405 /* change to software control */ 406 val |= MT_TOP_PWR_SW_RST; 407 mt76_wr(dev, MT_TOP_PWR_CTRL, val); 408 409 /* reset wfsys */ 410 val &= ~MT_TOP_PWR_SW_RST; 411 mt76_wr(dev, MT_TOP_PWR_CTRL, val); 412 413 /* release wfsys then mcu re-excutes romcode */ 414 val |= MT_TOP_PWR_SW_RST; 415 mt76_wr(dev, MT_TOP_PWR_CTRL, val); 416 417 /* switch to hw control */ 418 val &= ~MT_TOP_PWR_SW_RST; 419 val |= MT_TOP_PWR_HW_CTRL; 420 mt76_wr(dev, MT_TOP_PWR_CTRL, val); 421 422 /* check whether mcu resets to default */ 423 if (!mt76_poll_msec(dev, MT_MCU_WFDMA0_DUMMY_CR, MT_MCU_DUMMY_DEFAULT, 424 MT_MCU_DUMMY_DEFAULT, 1000)) { 425 dev_err(dev->mt76.dev, "wifi subsystem reset failure\n"); 426 return; 427 } 428 429 /* wfsys reset won't clear host registers */ 430 mt76_clear(dev, MT_TOP_MISC, MT_TOP_MISC_FW_STATE); 431 432 msleep(100); 433 } 434 435 static int mt7915_init_hardware(struct mt7915_dev *dev) 436 { 437 int ret, idx; 438 439 mt76_wr(dev, MT_INT_SOURCE_CSR, ~0); 440 441 INIT_WORK(&dev->init_work, mt7915_init_work); 442 dev->dbdc_support = !!(mt76_rr(dev, MT_HW_BOUND) & BIT(5)); 443 444 /* If MCU was already running, it is likely in a bad state */ 445 if (mt76_get_field(dev, MT_TOP_MISC, MT_TOP_MISC_FW_STATE) > 446 FW_STATE_FW_DOWNLOAD) 447 mt7915_wfsys_reset(dev); 448 449 ret = mt7915_dma_init(dev); 450 if (ret) 451 return ret; 452 453 set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state); 454 455 /* 456 * force firmware operation mode into normal state, 457 * which should be set before firmware download stage. 458 */ 459 mt76_wr(dev, MT_SWDEF_MODE, MT_SWDEF_NORMAL_MODE); 460 461 ret = mt7915_mcu_init(dev); 462 if (ret) { 463 /* Reset and try again */ 464 mt7915_wfsys_reset(dev); 465 466 ret = mt7915_mcu_init(dev); 467 if (ret) 468 return ret; 469 } 470 471 ret = mt7915_eeprom_init(dev); 472 if (ret < 0) 473 return ret; 474 475 476 if (dev->flash_mode) { 477 ret = mt7915_mcu_apply_group_cal(dev); 478 if (ret) 479 return ret; 480 } 481 482 /* Beacon and mgmt frames should occupy wcid 0 */ 483 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7915_WTBL_STA - 1); 484 if (idx) 485 return -ENOSPC; 486 487 dev->mt76.global_wcid.idx = idx; 488 dev->mt76.global_wcid.hw_key_idx = -1; 489 dev->mt76.global_wcid.tx_info |= MT_WCID_TX_INFO_SET; 490 rcu_assign_pointer(dev->mt76.wcid[idx], &dev->mt76.global_wcid); 491 492 return 0; 493 } 494 495 void mt7915_set_stream_vht_txbf_caps(struct mt7915_phy *phy) 496 { 497 int nss; 498 u32 *cap; 499 500 if (!phy->mt76->cap.has_5ghz) 501 return; 502 503 nss = hweight8(phy->mt76->chainmask); 504 cap = &phy->mt76->sband_5g.sband.vht_cap.cap; 505 506 *cap |= IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE | 507 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE | 508 (3 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT); 509 510 *cap &= ~(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK | 511 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE | 512 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE); 513 514 if (nss < 2) 515 return; 516 517 *cap |= IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE | 518 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE | 519 FIELD_PREP(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK, 520 nss - 1); 521 } 522 523 static void 524 mt7915_set_stream_he_txbf_caps(struct ieee80211_sta_he_cap *he_cap, 525 int vif, int nss) 526 { 527 struct ieee80211_he_cap_elem *elem = &he_cap->he_cap_elem; 528 struct ieee80211_he_mcs_nss_supp *mcs = &he_cap->he_mcs_nss_supp; 529 u8 c; 530 531 #ifdef CONFIG_MAC80211_MESH 532 if (vif == NL80211_IFTYPE_MESH_POINT) 533 return; 534 #endif 535 536 elem->phy_cap_info[3] &= ~IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER; 537 elem->phy_cap_info[4] &= ~IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER; 538 539 c = IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK | 540 IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK; 541 elem->phy_cap_info[5] &= ~c; 542 543 c = IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB | 544 IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB; 545 elem->phy_cap_info[6] &= ~c; 546 547 elem->phy_cap_info[7] &= ~IEEE80211_HE_PHY_CAP7_MAX_NC_MASK; 548 549 c = IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US | 550 IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO | 551 IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO; 552 elem->phy_cap_info[2] |= c; 553 554 c = IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE | 555 IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4 | 556 IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4; 557 elem->phy_cap_info[4] |= c; 558 559 /* do not support NG16 due to spec D4.0 changes subcarrier idx */ 560 c = IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU | 561 IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU; 562 563 if (vif == NL80211_IFTYPE_STATION) 564 c |= IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO; 565 566 elem->phy_cap_info[6] |= c; 567 568 if (nss < 2) 569 return; 570 571 /* the maximum cap is 4 x 3, (Nr, Nc) = (3, 2) */ 572 elem->phy_cap_info[7] |= min_t(int, nss - 1, 2) << 3; 573 574 if (vif != NL80211_IFTYPE_AP) 575 return; 576 577 elem->phy_cap_info[3] |= IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER; 578 elem->phy_cap_info[4] |= IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER; 579 580 /* num_snd_dim */ 581 c = (nss - 1) | (max_t(int, le16_to_cpu(mcs->tx_mcs_160), 1) << 3); 582 elem->phy_cap_info[5] |= c; 583 584 c = IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB | 585 IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB; 586 elem->phy_cap_info[6] |= c; 587 } 588 589 static void 590 mt7915_gen_ppe_thresh(u8 *he_ppet, int nss) 591 { 592 u8 i, ppet_bits, ppet_size, ru_bit_mask = 0x7; /* HE80 */ 593 u8 ppet16_ppet8_ru3_ru0[] = {0x1c, 0xc7, 0x71}; 594 595 he_ppet[0] = FIELD_PREP(IEEE80211_PPE_THRES_NSS_MASK, nss - 1) | 596 FIELD_PREP(IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK, 597 ru_bit_mask); 598 599 ppet_bits = IEEE80211_PPE_THRES_INFO_PPET_SIZE * 600 nss * hweight8(ru_bit_mask) * 2; 601 ppet_size = DIV_ROUND_UP(ppet_bits, 8); 602 603 for (i = 0; i < ppet_size - 1; i++) 604 he_ppet[i + 1] = ppet16_ppet8_ru3_ru0[i % 3]; 605 606 he_ppet[i + 1] = ppet16_ppet8_ru3_ru0[i % 3] & 607 (0xff >> (8 - (ppet_bits - 1) % 8)); 608 } 609 610 static int 611 mt7915_init_he_caps(struct mt7915_phy *phy, enum nl80211_band band, 612 struct ieee80211_sband_iftype_data *data) 613 { 614 int i, idx = 0, nss = hweight8(phy->mt76->chainmask); 615 u16 mcs_map = 0; 616 617 for (i = 0; i < 8; i++) { 618 if (i < nss) 619 mcs_map |= (IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2)); 620 else 621 mcs_map |= (IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2)); 622 } 623 624 for (i = 0; i < NUM_NL80211_IFTYPES; i++) { 625 struct ieee80211_sta_he_cap *he_cap = &data[idx].he_cap; 626 struct ieee80211_he_cap_elem *he_cap_elem = 627 &he_cap->he_cap_elem; 628 struct ieee80211_he_mcs_nss_supp *he_mcs = 629 &he_cap->he_mcs_nss_supp; 630 631 switch (i) { 632 case NL80211_IFTYPE_STATION: 633 case NL80211_IFTYPE_AP: 634 #ifdef CONFIG_MAC80211_MESH 635 case NL80211_IFTYPE_MESH_POINT: 636 #endif 637 break; 638 default: 639 continue; 640 } 641 642 data[idx].types_mask = BIT(i); 643 he_cap->has_he = true; 644 645 he_cap_elem->mac_cap_info[0] = 646 IEEE80211_HE_MAC_CAP0_HTC_HE; 647 he_cap_elem->mac_cap_info[3] = 648 IEEE80211_HE_MAC_CAP3_OMI_CONTROL | 649 IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3; 650 he_cap_elem->mac_cap_info[4] = 651 IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU; 652 653 if (band == NL80211_BAND_2GHZ) 654 he_cap_elem->phy_cap_info[0] = 655 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G; 656 else if (band == NL80211_BAND_5GHZ) 657 he_cap_elem->phy_cap_info[0] = 658 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G | 659 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G | 660 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G; 661 662 he_cap_elem->phy_cap_info[1] = 663 IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD; 664 he_cap_elem->phy_cap_info[2] = 665 IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ | 666 IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ; 667 668 switch (i) { 669 case NL80211_IFTYPE_AP: 670 he_cap_elem->mac_cap_info[2] |= 671 IEEE80211_HE_MAC_CAP2_BSR; 672 he_cap_elem->mac_cap_info[4] |= 673 IEEE80211_HE_MAC_CAP4_BQR; 674 he_cap_elem->mac_cap_info[5] |= 675 IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX; 676 he_cap_elem->phy_cap_info[3] |= 677 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK | 678 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK; 679 he_cap_elem->phy_cap_info[6] |= 680 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT; 681 break; 682 case NL80211_IFTYPE_STATION: 683 he_cap_elem->mac_cap_info[1] |= 684 IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US; 685 686 if (band == NL80211_BAND_2GHZ) 687 he_cap_elem->phy_cap_info[0] |= 688 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G; 689 else if (band == NL80211_BAND_5GHZ) 690 he_cap_elem->phy_cap_info[0] |= 691 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G; 692 693 he_cap_elem->phy_cap_info[1] |= 694 IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A | 695 IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US; 696 he_cap_elem->phy_cap_info[3] |= 697 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK | 698 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK; 699 he_cap_elem->phy_cap_info[6] |= 700 IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB | 701 IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE | 702 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT; 703 he_cap_elem->phy_cap_info[7] |= 704 IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP | 705 IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI; 706 he_cap_elem->phy_cap_info[8] |= 707 IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G | 708 IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU | 709 IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU | 710 IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484; 711 he_cap_elem->phy_cap_info[9] |= 712 IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM | 713 IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK | 714 IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU | 715 IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU | 716 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB | 717 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB; 718 break; 719 } 720 721 he_mcs->rx_mcs_80 = cpu_to_le16(mcs_map); 722 he_mcs->tx_mcs_80 = cpu_to_le16(mcs_map); 723 he_mcs->rx_mcs_160 = cpu_to_le16(mcs_map); 724 he_mcs->tx_mcs_160 = cpu_to_le16(mcs_map); 725 he_mcs->rx_mcs_80p80 = cpu_to_le16(mcs_map); 726 he_mcs->tx_mcs_80p80 = cpu_to_le16(mcs_map); 727 728 mt7915_set_stream_he_txbf_caps(he_cap, i, nss); 729 730 memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres)); 731 if (he_cap_elem->phy_cap_info[6] & 732 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 733 mt7915_gen_ppe_thresh(he_cap->ppe_thres, nss); 734 } else { 735 he_cap_elem->phy_cap_info[9] |= 736 IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US; 737 } 738 idx++; 739 } 740 741 return idx; 742 } 743 744 void mt7915_set_stream_he_caps(struct mt7915_phy *phy) 745 { 746 struct ieee80211_sband_iftype_data *data; 747 struct ieee80211_supported_band *band; 748 int n; 749 750 if (phy->mt76->cap.has_2ghz) { 751 data = phy->iftype[NL80211_BAND_2GHZ]; 752 n = mt7915_init_he_caps(phy, NL80211_BAND_2GHZ, data); 753 754 band = &phy->mt76->sband_2g.sband; 755 band->iftype_data = data; 756 band->n_iftype_data = n; 757 } 758 759 if (phy->mt76->cap.has_5ghz) { 760 data = phy->iftype[NL80211_BAND_5GHZ]; 761 n = mt7915_init_he_caps(phy, NL80211_BAND_5GHZ, data); 762 763 band = &phy->mt76->sband_5g.sband; 764 band->iftype_data = data; 765 band->n_iftype_data = n; 766 } 767 } 768 769 static void mt7915_unregister_ext_phy(struct mt7915_dev *dev) 770 { 771 struct mt7915_phy *phy = mt7915_ext_phy(dev); 772 struct mt76_phy *mphy = dev->mt76.phy2; 773 774 if (!phy) 775 return; 776 777 mt7915_unregister_thermal(phy); 778 mt76_unregister_phy(mphy); 779 ieee80211_free_hw(mphy->hw); 780 } 781 782 int mt7915_register_device(struct mt7915_dev *dev) 783 { 784 struct ieee80211_hw *hw = mt76_hw(dev); 785 int ret; 786 787 dev->phy.dev = dev; 788 dev->phy.mt76 = &dev->mt76.phy; 789 dev->mt76.phy.priv = &dev->phy; 790 INIT_LIST_HEAD(&dev->phy.stats_list); 791 INIT_WORK(&dev->rc_work, mt7915_mac_sta_rc_work); 792 INIT_DELAYED_WORK(&dev->mphy.mac_work, mt7915_mac_work); 793 INIT_LIST_HEAD(&dev->sta_rc_list); 794 INIT_LIST_HEAD(&dev->sta_poll_list); 795 spin_lock_init(&dev->sta_poll_lock); 796 797 init_waitqueue_head(&dev->reset_wait); 798 INIT_WORK(&dev->reset_work, mt7915_mac_reset_work); 799 800 ret = mt7915_init_hardware(dev); 801 if (ret) 802 return ret; 803 804 mt7915_init_wiphy(hw); 805 806 if (!dev->dbdc_support) 807 dev->mphy.sband_5g.sband.vht_cap.cap |= 808 IEEE80211_VHT_CAP_SHORT_GI_160 | 809 IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ; 810 811 dev->mphy.hw->wiphy->available_antennas_rx = dev->mphy.chainmask; 812 dev->mphy.hw->wiphy->available_antennas_tx = dev->mphy.chainmask; 813 dev->phy.dfs_state = -1; 814 815 #ifdef CONFIG_NL80211_TESTMODE 816 dev->mt76.test_ops = &mt7915_testmode_ops; 817 #endif 818 819 ret = mt76_register_device(&dev->mt76, true, mt76_rates, 820 ARRAY_SIZE(mt76_rates)); 821 if (ret) 822 return ret; 823 824 ret = mt7915_thermal_init(&dev->phy); 825 if (ret) 826 return ret; 827 828 ieee80211_queue_work(mt76_hw(dev), &dev->init_work); 829 830 ret = mt7915_register_ext_phy(dev); 831 if (ret) 832 return ret; 833 834 return mt7915_init_debugfs(dev); 835 } 836 837 void mt7915_unregister_device(struct mt7915_dev *dev) 838 { 839 mt7915_unregister_ext_phy(dev); 840 mt7915_unregister_thermal(&dev->phy); 841 mt76_unregister_device(&dev->mt76); 842 mt7915_mcu_exit(dev); 843 mt7915_tx_token_put(dev); 844 mt7915_dma_cleanup(dev); 845 tasklet_disable(&dev->irq_tasklet); 846 847 mt76_free_device(&dev->mt76); 848 } 849