1 // SPDX-License-Identifier: ISC 2 /* Copyright (C) 2020 MediaTek Inc. */ 3 4 #include <linux/etherdevice.h> 5 #include "mt7915.h" 6 #include "mac.h" 7 #include "mcu.h" 8 #include "eeprom.h" 9 10 #define CCK_RATE(_idx, _rate) { \ 11 .bitrate = _rate, \ 12 .flags = IEEE80211_RATE_SHORT_PREAMBLE, \ 13 .hw_value = (MT_PHY_TYPE_CCK << 8) | (_idx), \ 14 .hw_value_short = (MT_PHY_TYPE_CCK << 8) | (4 + (_idx)), \ 15 } 16 17 #define OFDM_RATE(_idx, _rate) { \ 18 .bitrate = _rate, \ 19 .hw_value = (MT_PHY_TYPE_OFDM << 8) | (_idx), \ 20 .hw_value_short = (MT_PHY_TYPE_OFDM << 8) | (_idx), \ 21 } 22 23 static struct ieee80211_rate mt7915_rates[] = { 24 CCK_RATE(0, 10), 25 CCK_RATE(1, 20), 26 CCK_RATE(2, 55), 27 CCK_RATE(3, 110), 28 OFDM_RATE(11, 60), 29 OFDM_RATE(15, 90), 30 OFDM_RATE(10, 120), 31 OFDM_RATE(14, 180), 32 OFDM_RATE(9, 240), 33 OFDM_RATE(13, 360), 34 OFDM_RATE(8, 480), 35 OFDM_RATE(12, 540), 36 }; 37 38 static const struct ieee80211_iface_limit if_limits[] = { 39 { 40 .max = 1, 41 .types = BIT(NL80211_IFTYPE_ADHOC) 42 }, { 43 .max = 16, 44 .types = BIT(NL80211_IFTYPE_AP) 45 #ifdef CONFIG_MAC80211_MESH 46 | BIT(NL80211_IFTYPE_MESH_POINT) 47 #endif 48 }, { 49 .max = MT7915_MAX_INTERFACES, 50 .types = BIT(NL80211_IFTYPE_STATION) 51 } 52 }; 53 54 static const struct ieee80211_iface_combination if_comb[] = { 55 { 56 .limits = if_limits, 57 .n_limits = ARRAY_SIZE(if_limits), 58 .max_interfaces = MT7915_MAX_INTERFACES, 59 .num_different_channels = 1, 60 .beacon_int_infra_match = true, 61 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | 62 BIT(NL80211_CHAN_WIDTH_20) | 63 BIT(NL80211_CHAN_WIDTH_40) | 64 BIT(NL80211_CHAN_WIDTH_80) | 65 BIT(NL80211_CHAN_WIDTH_160) | 66 BIT(NL80211_CHAN_WIDTH_80P80), 67 } 68 }; 69 70 static void 71 mt7915_init_txpower(struct mt7915_dev *dev, 72 struct ieee80211_supported_band *sband) 73 { 74 int i, n_chains = hweight8(dev->mphy.antenna_mask); 75 int nss_delta = mt76_tx_power_nss_delta(n_chains); 76 int pwr_delta = mt7915_eeprom_get_power_delta(dev, sband->band); 77 struct mt76_power_limits limits; 78 79 for (i = 0; i < sband->n_channels; i++) { 80 struct ieee80211_channel *chan = &sband->channels[i]; 81 u32 target_power = 0; 82 int j; 83 84 for (j = 0; j < n_chains; j++) { 85 u32 val; 86 87 val = mt7915_eeprom_get_target_power(dev, chan, j); 88 target_power = max(target_power, val); 89 } 90 91 target_power += pwr_delta; 92 target_power = mt76_get_rate_power_limits(&dev->mphy, chan, 93 &limits, 94 target_power); 95 target_power += nss_delta; 96 target_power = DIV_ROUND_UP(target_power, 2); 97 chan->max_power = min_t(int, chan->max_reg_power, 98 target_power); 99 chan->orig_mpwr = target_power; 100 } 101 } 102 103 static void 104 mt7915_regd_notifier(struct wiphy *wiphy, 105 struct regulatory_request *request) 106 { 107 struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); 108 struct mt7915_dev *dev = mt7915_hw_dev(hw); 109 struct mt76_phy *mphy = hw->priv; 110 struct mt7915_phy *phy = mphy->priv; 111 struct cfg80211_chan_def *chandef = &mphy->chandef; 112 113 memcpy(dev->mt76.alpha2, request->alpha2, sizeof(dev->mt76.alpha2)); 114 dev->mt76.region = request->dfs_region; 115 116 mt7915_init_txpower(dev, &mphy->sband_2g.sband); 117 mt7915_init_txpower(dev, &mphy->sband_5g.sband); 118 119 if (!(chandef->chan->flags & IEEE80211_CHAN_RADAR)) 120 return; 121 122 mt7915_dfs_init_radar_detector(phy); 123 } 124 125 static void 126 mt7915_init_wiphy(struct ieee80211_hw *hw) 127 { 128 struct mt7915_phy *phy = mt7915_hw_phy(hw); 129 struct wiphy *wiphy = hw->wiphy; 130 131 hw->queues = 4; 132 hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF; 133 hw->max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF; 134 hw->netdev_features = NETIF_F_RXCSUM; 135 136 hw->radiotap_timestamp.units_pos = 137 IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US; 138 139 phy->slottime = 9; 140 141 hw->sta_data_size = sizeof(struct mt7915_sta); 142 hw->vif_data_size = sizeof(struct mt7915_vif); 143 144 wiphy->iface_combinations = if_comb; 145 wiphy->n_iface_combinations = ARRAY_SIZE(if_comb); 146 wiphy->reg_notifier = mt7915_regd_notifier; 147 wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; 148 149 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_VHT_IBSS); 150 151 ieee80211_hw_set(hw, HAS_RATE_CONTROL); 152 ieee80211_hw_set(hw, SUPPORTS_TX_ENCAP_OFFLOAD); 153 ieee80211_hw_set(hw, SUPPORTS_RX_DECAP_OFFLOAD); 154 ieee80211_hw_set(hw, WANT_MONITOR_VIF); 155 156 hw->max_tx_fragments = 4; 157 158 if (phy->mt76->cap.has_2ghz) 159 phy->mt76->sband_2g.sband.ht_cap.cap |= 160 IEEE80211_HT_CAP_LDPC_CODING | 161 IEEE80211_HT_CAP_MAX_AMSDU; 162 163 if (phy->mt76->cap.has_5ghz) { 164 phy->mt76->sband_5g.sband.ht_cap.cap |= 165 IEEE80211_HT_CAP_LDPC_CODING | 166 IEEE80211_HT_CAP_MAX_AMSDU; 167 phy->mt76->sband_5g.sband.vht_cap.cap |= 168 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 | 169 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK; 170 } 171 172 mt76_set_stream_caps(phy->mt76, true); 173 mt7915_set_stream_vht_txbf_caps(phy); 174 mt7915_set_stream_he_caps(phy); 175 } 176 177 static void 178 mt7915_mac_init_band(struct mt7915_dev *dev, u8 band) 179 { 180 u32 mask, set; 181 182 mt76_rmw_field(dev, MT_TMAC_CTCR0(band), 183 MT_TMAC_CTCR0_INS_DDLMT_REFTIME, 0x3f); 184 mt76_set(dev, MT_TMAC_CTCR0(band), 185 MT_TMAC_CTCR0_INS_DDLMT_VHT_SMPDU_EN | 186 MT_TMAC_CTCR0_INS_DDLMT_EN); 187 188 mask = MT_MDP_RCFR0_MCU_RX_MGMT | 189 MT_MDP_RCFR0_MCU_RX_CTL_NON_BAR | 190 MT_MDP_RCFR0_MCU_RX_CTL_BAR; 191 set = FIELD_PREP(MT_MDP_RCFR0_MCU_RX_MGMT, MT_MDP_TO_HIF) | 192 FIELD_PREP(MT_MDP_RCFR0_MCU_RX_CTL_NON_BAR, MT_MDP_TO_HIF) | 193 FIELD_PREP(MT_MDP_RCFR0_MCU_RX_CTL_BAR, MT_MDP_TO_HIF); 194 mt76_rmw(dev, MT_MDP_BNRCFR0(band), mask, set); 195 196 mask = MT_MDP_RCFR1_MCU_RX_BYPASS | 197 MT_MDP_RCFR1_RX_DROPPED_UCAST | 198 MT_MDP_RCFR1_RX_DROPPED_MCAST; 199 set = FIELD_PREP(MT_MDP_RCFR1_MCU_RX_BYPASS, MT_MDP_TO_HIF) | 200 FIELD_PREP(MT_MDP_RCFR1_RX_DROPPED_UCAST, MT_MDP_TO_HIF) | 201 FIELD_PREP(MT_MDP_RCFR1_RX_DROPPED_MCAST, MT_MDP_TO_HIF); 202 mt76_rmw(dev, MT_MDP_BNRCFR1(band), mask, set); 203 204 mt76_set(dev, MT_WF_RMAC_MIB_TIME0(band), MT_WF_RMAC_MIB_RXTIME_EN); 205 mt76_set(dev, MT_WF_RMAC_MIB_AIRTIME0(band), MT_WF_RMAC_MIB_RXTIME_EN); 206 207 mt76_rmw_field(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_MAX_RX_LEN, 1536); 208 /* disable rx rate report by default due to hw issues */ 209 mt76_clear(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_RXD_G5_EN); 210 } 211 212 static void mt7915_mac_init(struct mt7915_dev *dev) 213 { 214 int i; 215 216 mt76_rmw_field(dev, MT_MDP_DCR1, MT_MDP_DCR1_MAX_RX_LEN, 1536); 217 /* enable hardware de-agg */ 218 mt76_set(dev, MT_MDP_DCR0, MT_MDP_DCR0_DAMSDU_EN); 219 220 for (i = 0; i < MT7915_WTBL_SIZE; i++) 221 mt7915_mac_wtbl_update(dev, i, 222 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 223 for (i = 0; i < 2; i++) 224 mt7915_mac_init_band(dev, i); 225 } 226 227 static int mt7915_txbf_init(struct mt7915_dev *dev) 228 { 229 int ret; 230 231 232 if (dev->dbdc_support) { 233 ret = mt7915_mcu_set_txbf_module(dev); 234 if (ret) 235 return ret; 236 } 237 238 /* trigger sounding packets */ 239 ret = mt7915_mcu_set_txbf_sounding(dev); 240 if (ret) 241 return ret; 242 243 /* enable eBF */ 244 return mt7915_mcu_set_txbf_type(dev); 245 } 246 247 static int mt7915_register_ext_phy(struct mt7915_dev *dev) 248 { 249 struct mt7915_phy *phy = mt7915_ext_phy(dev); 250 struct mt76_phy *mphy; 251 int ret; 252 253 if (!dev->dbdc_support) 254 return 0; 255 256 if (phy) 257 return 0; 258 259 mphy = mt76_alloc_phy(&dev->mt76, sizeof(*phy), &mt7915_ops); 260 if (!mphy) 261 return -ENOMEM; 262 263 phy = mphy->priv; 264 phy->dev = dev; 265 phy->mt76 = mphy; 266 mphy->chainmask = dev->chainmask & ~dev->mphy.chainmask; 267 mphy->antenna_mask = BIT(hweight8(mphy->chainmask)) - 1; 268 269 INIT_LIST_HEAD(&phy->stats_list); 270 INIT_DELAYED_WORK(&mphy->mac_work, mt7915_mac_work); 271 272 mt7915_eeprom_parse_band_config(phy); 273 mt7915_init_wiphy(mphy->hw); 274 275 memcpy(mphy->macaddr, dev->mt76.eeprom.data + MT_EE_MAC_ADDR2, 276 ETH_ALEN); 277 mt76_eeprom_override(mphy); 278 279 ret = mt7915_init_tx_queues(phy, MT7915_TXQ_BAND1, 280 MT7915_TX_RING_SIZE); 281 if (ret) 282 goto error; 283 284 ret = mt76_register_phy(mphy, true, mt7915_rates, 285 ARRAY_SIZE(mt7915_rates)); 286 if (ret) 287 goto error; 288 289 return 0; 290 291 error: 292 ieee80211_free_hw(mphy->hw); 293 return ret; 294 } 295 296 static void mt7915_init_work(struct work_struct *work) 297 { 298 struct mt7915_dev *dev = container_of(work, struct mt7915_dev, 299 init_work); 300 301 mt7915_mcu_set_eeprom(dev); 302 mt7915_mac_init(dev); 303 mt7915_init_txpower(dev, &dev->mphy.sband_2g.sband); 304 mt7915_init_txpower(dev, &dev->mphy.sband_5g.sband); 305 mt7915_txbf_init(dev); 306 } 307 308 static void mt7915_wfsys_reset(struct mt7915_dev *dev) 309 { 310 u32 val = MT_TOP_PWR_KEY | MT_TOP_PWR_SW_PWR_ON | MT_TOP_PWR_PWR_ON; 311 312 #define MT_MCU_DUMMY_RANDOM GENMASK(15, 0) 313 #define MT_MCU_DUMMY_DEFAULT GENMASK(31, 16) 314 315 mt76_wr(dev, MT_MCU_WFDMA0_DUMMY_CR, MT_MCU_DUMMY_RANDOM); 316 317 /* change to software control */ 318 val |= MT_TOP_PWR_SW_RST; 319 mt76_wr(dev, MT_TOP_PWR_CTRL, val); 320 321 /* reset wfsys */ 322 val &= ~MT_TOP_PWR_SW_RST; 323 mt76_wr(dev, MT_TOP_PWR_CTRL, val); 324 325 /* release wfsys then mcu re-excutes romcode */ 326 val |= MT_TOP_PWR_SW_RST; 327 mt76_wr(dev, MT_TOP_PWR_CTRL, val); 328 329 /* switch to hw control */ 330 val &= ~MT_TOP_PWR_SW_RST; 331 val |= MT_TOP_PWR_HW_CTRL; 332 mt76_wr(dev, MT_TOP_PWR_CTRL, val); 333 334 /* check whether mcu resets to default */ 335 if (!mt76_poll_msec(dev, MT_MCU_WFDMA0_DUMMY_CR, MT_MCU_DUMMY_DEFAULT, 336 MT_MCU_DUMMY_DEFAULT, 1000)) { 337 dev_err(dev->mt76.dev, "wifi subsystem reset failure\n"); 338 return; 339 } 340 341 /* wfsys reset won't clear host registers */ 342 mt76_clear(dev, MT_TOP_MISC, MT_TOP_MISC_FW_STATE); 343 344 msleep(100); 345 } 346 347 static int mt7915_init_hardware(struct mt7915_dev *dev) 348 { 349 int ret, idx; 350 351 mt76_wr(dev, MT_INT_SOURCE_CSR, ~0); 352 353 INIT_WORK(&dev->init_work, mt7915_init_work); 354 dev->dbdc_support = !!(mt76_rr(dev, MT_HW_BOUND) & BIT(5)); 355 356 /* If MCU was already running, it is likely in a bad state */ 357 if (mt76_get_field(dev, MT_TOP_MISC, MT_TOP_MISC_FW_STATE) > 358 FW_STATE_FW_DOWNLOAD) 359 mt7915_wfsys_reset(dev); 360 361 ret = mt7915_dma_init(dev); 362 if (ret) 363 return ret; 364 365 set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state); 366 367 /* 368 * force firmware operation mode into normal state, 369 * which should be set before firmware download stage. 370 */ 371 mt76_wr(dev, MT_SWDEF_MODE, MT_SWDEF_NORMAL_MODE); 372 373 ret = mt7915_mcu_init(dev); 374 if (ret) { 375 /* Reset and try again */ 376 mt7915_wfsys_reset(dev); 377 378 ret = mt7915_mcu_init(dev); 379 if (ret) 380 return ret; 381 } 382 383 ret = mt7915_eeprom_init(dev); 384 if (ret < 0) 385 return ret; 386 387 388 if (dev->flash_mode) { 389 ret = mt7915_mcu_apply_group_cal(dev); 390 if (ret) 391 return ret; 392 } 393 394 /* Beacon and mgmt frames should occupy wcid 0 */ 395 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7915_WTBL_STA - 1); 396 if (idx) 397 return -ENOSPC; 398 399 dev->mt76.global_wcid.idx = idx; 400 dev->mt76.global_wcid.hw_key_idx = -1; 401 dev->mt76.global_wcid.tx_info |= MT_WCID_TX_INFO_SET; 402 rcu_assign_pointer(dev->mt76.wcid[idx], &dev->mt76.global_wcid); 403 404 return 0; 405 } 406 407 void mt7915_set_stream_vht_txbf_caps(struct mt7915_phy *phy) 408 { 409 int nss; 410 u32 *cap; 411 412 if (!phy->mt76->cap.has_5ghz) 413 return; 414 415 nss = hweight8(phy->mt76->chainmask); 416 cap = &phy->mt76->sband_5g.sband.vht_cap.cap; 417 418 *cap |= IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE | 419 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE | 420 (3 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT); 421 422 *cap &= ~(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK | 423 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE | 424 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE); 425 426 if (nss < 2) 427 return; 428 429 *cap |= IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE | 430 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE | 431 FIELD_PREP(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK, 432 nss - 1); 433 } 434 435 static void 436 mt7915_set_stream_he_txbf_caps(struct ieee80211_sta_he_cap *he_cap, 437 int vif, int nss) 438 { 439 struct ieee80211_he_cap_elem *elem = &he_cap->he_cap_elem; 440 struct ieee80211_he_mcs_nss_supp *mcs = &he_cap->he_mcs_nss_supp; 441 u8 c; 442 443 #ifdef CONFIG_MAC80211_MESH 444 if (vif == NL80211_IFTYPE_MESH_POINT) 445 return; 446 #endif 447 448 elem->phy_cap_info[3] &= ~IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER; 449 elem->phy_cap_info[4] &= ~IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER; 450 451 c = IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK | 452 IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK; 453 elem->phy_cap_info[5] &= ~c; 454 455 c = IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB | 456 IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB; 457 elem->phy_cap_info[6] &= ~c; 458 459 elem->phy_cap_info[7] &= ~IEEE80211_HE_PHY_CAP7_MAX_NC_MASK; 460 461 c = IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US | 462 IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO | 463 IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO; 464 elem->phy_cap_info[2] |= c; 465 466 c = IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE | 467 IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4 | 468 IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4; 469 elem->phy_cap_info[4] |= c; 470 471 /* do not support NG16 due to spec D4.0 changes subcarrier idx */ 472 c = IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU | 473 IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU; 474 475 if (vif == NL80211_IFTYPE_STATION) 476 c |= IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO; 477 478 elem->phy_cap_info[6] |= c; 479 480 if (nss < 2) 481 return; 482 483 if (vif != NL80211_IFTYPE_AP) 484 return; 485 486 elem->phy_cap_info[3] |= IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER; 487 elem->phy_cap_info[4] |= IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER; 488 489 /* num_snd_dim */ 490 c = (nss - 1) | (max_t(int, le16_to_cpu(mcs->tx_mcs_160), 1) << 3); 491 elem->phy_cap_info[5] |= c; 492 493 c = IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB | 494 IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB; 495 elem->phy_cap_info[6] |= c; 496 497 /* the maximum cap is 4 x 3, (Nr, Nc) = (3, 2) */ 498 elem->phy_cap_info[7] |= min_t(int, nss - 1, 2) << 3; 499 } 500 501 static void 502 mt7915_gen_ppe_thresh(u8 *he_ppet, int nss) 503 { 504 u8 i, ppet_bits, ppet_size, ru_bit_mask = 0x7; /* HE80 */ 505 u8 ppet16_ppet8_ru3_ru0[] = {0x1c, 0xc7, 0x71}; 506 507 he_ppet[0] = FIELD_PREP(IEEE80211_PPE_THRES_NSS_MASK, nss - 1) | 508 FIELD_PREP(IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK, 509 ru_bit_mask); 510 511 ppet_bits = IEEE80211_PPE_THRES_INFO_PPET_SIZE * 512 nss * hweight8(ru_bit_mask) * 2; 513 ppet_size = DIV_ROUND_UP(ppet_bits, 8); 514 515 for (i = 0; i < ppet_size - 1; i++) 516 he_ppet[i + 1] = ppet16_ppet8_ru3_ru0[i % 3]; 517 518 he_ppet[i + 1] = ppet16_ppet8_ru3_ru0[i % 3] & 519 (0xff >> (8 - (ppet_bits - 1) % 8)); 520 } 521 522 static int 523 mt7915_init_he_caps(struct mt7915_phy *phy, enum nl80211_band band, 524 struct ieee80211_sband_iftype_data *data) 525 { 526 int i, idx = 0, nss = hweight8(phy->mt76->chainmask); 527 u16 mcs_map = 0; 528 529 for (i = 0; i < 8; i++) { 530 if (i < nss) 531 mcs_map |= (IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2)); 532 else 533 mcs_map |= (IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2)); 534 } 535 536 for (i = 0; i < NUM_NL80211_IFTYPES; i++) { 537 struct ieee80211_sta_he_cap *he_cap = &data[idx].he_cap; 538 struct ieee80211_he_cap_elem *he_cap_elem = 539 &he_cap->he_cap_elem; 540 struct ieee80211_he_mcs_nss_supp *he_mcs = 541 &he_cap->he_mcs_nss_supp; 542 543 switch (i) { 544 case NL80211_IFTYPE_STATION: 545 case NL80211_IFTYPE_AP: 546 #ifdef CONFIG_MAC80211_MESH 547 case NL80211_IFTYPE_MESH_POINT: 548 #endif 549 break; 550 default: 551 continue; 552 } 553 554 data[idx].types_mask = BIT(i); 555 he_cap->has_he = true; 556 557 he_cap_elem->mac_cap_info[0] = 558 IEEE80211_HE_MAC_CAP0_HTC_HE; 559 he_cap_elem->mac_cap_info[3] = 560 IEEE80211_HE_MAC_CAP3_OMI_CONTROL | 561 IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3; 562 he_cap_elem->mac_cap_info[4] = 563 IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU; 564 565 if (band == NL80211_BAND_2GHZ) 566 he_cap_elem->phy_cap_info[0] = 567 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G; 568 else if (band == NL80211_BAND_5GHZ) 569 he_cap_elem->phy_cap_info[0] = 570 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G | 571 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G | 572 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G; 573 574 he_cap_elem->phy_cap_info[1] = 575 IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD; 576 he_cap_elem->phy_cap_info[2] = 577 IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ | 578 IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ; 579 580 switch (i) { 581 case NL80211_IFTYPE_AP: 582 he_cap_elem->mac_cap_info[0] |= 583 IEEE80211_HE_MAC_CAP0_TWT_RES; 584 he_cap_elem->mac_cap_info[2] |= 585 IEEE80211_HE_MAC_CAP2_BSR; 586 he_cap_elem->mac_cap_info[4] |= 587 IEEE80211_HE_MAC_CAP4_BQR; 588 he_cap_elem->mac_cap_info[5] |= 589 IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX; 590 he_cap_elem->phy_cap_info[3] |= 591 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK | 592 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK; 593 he_cap_elem->phy_cap_info[6] |= 594 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT; 595 break; 596 case NL80211_IFTYPE_STATION: 597 he_cap_elem->mac_cap_info[0] |= 598 IEEE80211_HE_MAC_CAP0_TWT_REQ; 599 he_cap_elem->mac_cap_info[1] |= 600 IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US; 601 602 if (band == NL80211_BAND_2GHZ) 603 he_cap_elem->phy_cap_info[0] |= 604 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G; 605 else if (band == NL80211_BAND_5GHZ) 606 he_cap_elem->phy_cap_info[0] |= 607 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G; 608 609 he_cap_elem->phy_cap_info[1] |= 610 IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A | 611 IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US; 612 he_cap_elem->phy_cap_info[3] |= 613 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK | 614 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK; 615 he_cap_elem->phy_cap_info[6] |= 616 IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB | 617 IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE | 618 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT; 619 he_cap_elem->phy_cap_info[7] |= 620 IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP | 621 IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI; 622 he_cap_elem->phy_cap_info[8] |= 623 IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G | 624 IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU | 625 IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU | 626 IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484; 627 he_cap_elem->phy_cap_info[9] |= 628 IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM | 629 IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK | 630 IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU | 631 IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU | 632 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB | 633 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB; 634 break; 635 } 636 637 he_mcs->rx_mcs_80 = cpu_to_le16(mcs_map); 638 he_mcs->tx_mcs_80 = cpu_to_le16(mcs_map); 639 he_mcs->rx_mcs_160 = cpu_to_le16(mcs_map); 640 he_mcs->tx_mcs_160 = cpu_to_le16(mcs_map); 641 he_mcs->rx_mcs_80p80 = cpu_to_le16(mcs_map); 642 he_mcs->tx_mcs_80p80 = cpu_to_le16(mcs_map); 643 644 mt7915_set_stream_he_txbf_caps(he_cap, i, nss); 645 646 memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres)); 647 if (he_cap_elem->phy_cap_info[6] & 648 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 649 mt7915_gen_ppe_thresh(he_cap->ppe_thres, nss); 650 } else { 651 he_cap_elem->phy_cap_info[9] |= 652 IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US; 653 } 654 idx++; 655 } 656 657 return idx; 658 } 659 660 void mt7915_set_stream_he_caps(struct mt7915_phy *phy) 661 { 662 struct ieee80211_sband_iftype_data *data; 663 struct ieee80211_supported_band *band; 664 int n; 665 666 if (phy->mt76->cap.has_2ghz) { 667 data = phy->iftype[NL80211_BAND_2GHZ]; 668 n = mt7915_init_he_caps(phy, NL80211_BAND_2GHZ, data); 669 670 band = &phy->mt76->sband_2g.sband; 671 band->iftype_data = data; 672 band->n_iftype_data = n; 673 } 674 675 if (phy->mt76->cap.has_5ghz) { 676 data = phy->iftype[NL80211_BAND_5GHZ]; 677 n = mt7915_init_he_caps(phy, NL80211_BAND_5GHZ, data); 678 679 band = &phy->mt76->sband_5g.sband; 680 band->iftype_data = data; 681 band->n_iftype_data = n; 682 } 683 } 684 685 static void mt7915_unregister_ext_phy(struct mt7915_dev *dev) 686 { 687 struct mt7915_phy *phy = mt7915_ext_phy(dev); 688 struct mt76_phy *mphy = dev->mt76.phy2; 689 690 if (!phy) 691 return; 692 693 mt76_unregister_phy(mphy); 694 ieee80211_free_hw(mphy->hw); 695 } 696 697 int mt7915_register_device(struct mt7915_dev *dev) 698 { 699 struct ieee80211_hw *hw = mt76_hw(dev); 700 int ret; 701 702 dev->phy.dev = dev; 703 dev->phy.mt76 = &dev->mt76.phy; 704 dev->mt76.phy.priv = &dev->phy; 705 INIT_LIST_HEAD(&dev->phy.stats_list); 706 INIT_WORK(&dev->rc_work, mt7915_mac_sta_rc_work); 707 INIT_DELAYED_WORK(&dev->mphy.mac_work, mt7915_mac_work); 708 INIT_LIST_HEAD(&dev->sta_rc_list); 709 INIT_LIST_HEAD(&dev->sta_poll_list); 710 spin_lock_init(&dev->sta_poll_lock); 711 712 init_waitqueue_head(&dev->reset_wait); 713 INIT_WORK(&dev->reset_work, mt7915_mac_reset_work); 714 715 ret = mt7915_init_hardware(dev); 716 if (ret) 717 return ret; 718 719 mt7915_init_wiphy(hw); 720 721 if (!dev->dbdc_support) 722 dev->mphy.sband_5g.sband.vht_cap.cap |= 723 IEEE80211_VHT_CAP_SHORT_GI_160 | 724 IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ; 725 726 dev->mphy.hw->wiphy->available_antennas_rx = dev->mphy.chainmask; 727 dev->mphy.hw->wiphy->available_antennas_tx = dev->mphy.chainmask; 728 dev->phy.dfs_state = -1; 729 730 #ifdef CONFIG_NL80211_TESTMODE 731 dev->mt76.test_ops = &mt7915_testmode_ops; 732 #endif 733 734 ret = mt76_register_device(&dev->mt76, true, mt7915_rates, 735 ARRAY_SIZE(mt7915_rates)); 736 if (ret) 737 return ret; 738 739 ieee80211_queue_work(mt76_hw(dev), &dev->init_work); 740 741 ret = mt7915_register_ext_phy(dev); 742 if (ret) 743 return ret; 744 745 return mt7915_init_debugfs(dev); 746 } 747 748 void mt7915_unregister_device(struct mt7915_dev *dev) 749 { 750 mt7915_unregister_ext_phy(dev); 751 mt76_unregister_device(&dev->mt76); 752 mt7915_mcu_exit(dev); 753 mt7915_tx_token_put(dev); 754 mt7915_dma_cleanup(dev); 755 756 mt76_free_device(&dev->mt76); 757 } 758