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 "eeprom.h" 8 9 static void 10 mt7915_mac_init_band(struct mt7915_dev *dev, u8 band) 11 { 12 u32 mask, set; 13 14 mt76_rmw_field(dev, MT_TMAC_CTCR0(band), 15 MT_TMAC_CTCR0_INS_DDLMT_REFTIME, 0x3f); 16 mt76_set(dev, MT_TMAC_CTCR0(band), 17 MT_TMAC_CTCR0_INS_DDLMT_VHT_SMPDU_EN | 18 MT_TMAC_CTCR0_INS_DDLMT_EN); 19 20 mask = MT_MDP_RCFR0_MCU_RX_MGMT | 21 MT_MDP_RCFR0_MCU_RX_CTL_NON_BAR | 22 MT_MDP_RCFR0_MCU_RX_CTL_BAR; 23 set = FIELD_PREP(MT_MDP_RCFR0_MCU_RX_MGMT, MT_MDP_TO_HIF) | 24 FIELD_PREP(MT_MDP_RCFR0_MCU_RX_CTL_NON_BAR, MT_MDP_TO_HIF) | 25 FIELD_PREP(MT_MDP_RCFR0_MCU_RX_CTL_BAR, MT_MDP_TO_HIF); 26 mt76_rmw(dev, MT_MDP_BNRCFR0(band), mask, set); 27 28 mask = MT_MDP_RCFR1_MCU_RX_BYPASS | 29 MT_MDP_RCFR1_RX_DROPPED_UCAST | 30 MT_MDP_RCFR1_RX_DROPPED_MCAST; 31 set = FIELD_PREP(MT_MDP_RCFR1_MCU_RX_BYPASS, MT_MDP_TO_HIF) | 32 FIELD_PREP(MT_MDP_RCFR1_RX_DROPPED_UCAST, MT_MDP_TO_HIF) | 33 FIELD_PREP(MT_MDP_RCFR1_RX_DROPPED_MCAST, MT_MDP_TO_HIF); 34 mt76_rmw(dev, MT_MDP_BNRCFR1(band), mask, set); 35 36 mt76_set(dev, MT_WF_RMAC_MIB_TIME0(band), MT_WF_RMAC_MIB_RXTIME_EN); 37 mt76_set(dev, MT_WF_RMAC_MIB_AIRTIME0(band), MT_WF_RMAC_MIB_RXTIME_EN); 38 } 39 40 static void mt7915_mac_init(struct mt7915_dev *dev) 41 { 42 int i; 43 44 mt76_rmw_field(dev, MT_DMA_DCR0, MT_DMA_DCR0_MAX_RX_LEN, 1536); 45 mt76_rmw_field(dev, MT_MDP_DCR1, MT_MDP_DCR1_MAX_RX_LEN, 1536); 46 /* enable rx rate report */ 47 mt76_set(dev, MT_DMA_DCR0, MT_DMA_DCR0_RXD_G5_EN); 48 /* disable hardware de-agg */ 49 mt76_clear(dev, MT_MDP_DCR0, MT_MDP_DCR0_DAMSDU_EN); 50 51 for (i = 0; i < MT7915_WTBL_SIZE; i++) 52 mt7915_mac_wtbl_update(dev, i, 53 MT_WTBL_UPDATE_ADM_COUNT_CLEAR); 54 55 mt7915_mac_init_band(dev, 0); 56 mt7915_mac_init_band(dev, 1); 57 mt7915_mcu_set_rts_thresh(&dev->phy, 0x92b); 58 } 59 60 static int mt7915_txbf_init(struct mt7915_dev *dev) 61 { 62 int ret; 63 64 /* 65 * TODO: DBDC & check whether iBF phase calibration data has 66 * been stored in eeprom offset 0x651~0x7b8, then write down 67 * 0x1111 into 0x651 and 0x651 to trigger iBF. 68 */ 69 70 /* trigger sounding packets */ 71 ret = mt7915_mcu_set_txbf_sounding(dev); 72 if (ret) 73 return ret; 74 75 /* enable iBF & eBF */ 76 return mt7915_mcu_set_txbf_type(dev); 77 } 78 79 static void 80 mt7915_init_txpower_band(struct mt7915_dev *dev, 81 struct ieee80211_supported_band *sband) 82 { 83 int i, n_chains = hweight8(dev->mphy.antenna_mask); 84 85 for (i = 0; i < sband->n_channels; i++) { 86 struct ieee80211_channel *chan = &sband->channels[i]; 87 u32 target_power = 0; 88 int j; 89 90 for (j = 0; j < n_chains; j++) { 91 u32 val; 92 93 val = mt7915_eeprom_get_target_power(dev, chan, j); 94 target_power = max(target_power, val); 95 } 96 97 chan->max_power = min_t(int, chan->max_reg_power, 98 target_power / 2); 99 chan->orig_mpwr = target_power / 2; 100 } 101 } 102 103 static void mt7915_init_txpower(struct mt7915_dev *dev) 104 { 105 mt7915_init_txpower_band(dev, &dev->mphy.sband_2g.sband); 106 mt7915_init_txpower_band(dev, &dev->mphy.sband_5g.sband); 107 108 mt7915_eeprom_init_sku(dev); 109 } 110 111 static void mt7915_init_work(struct work_struct *work) 112 { 113 struct mt7915_dev *dev = container_of(work, struct mt7915_dev, 114 init_work); 115 116 mt7915_mcu_set_eeprom(dev); 117 mt7915_mac_init(dev); 118 mt7915_init_txpower(dev); 119 mt7915_txbf_init(dev); 120 } 121 122 static int mt7915_init_hardware(struct mt7915_dev *dev) 123 { 124 int ret, idx; 125 126 mt76_wr(dev, MT_INT_SOURCE_CSR, ~0); 127 128 INIT_WORK(&dev->init_work, mt7915_init_work); 129 spin_lock_init(&dev->token_lock); 130 idr_init(&dev->token); 131 132 ret = mt7915_dma_init(dev); 133 if (ret) 134 return ret; 135 136 set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state); 137 138 ret = mt7915_mcu_init(dev); 139 if (ret) 140 return ret; 141 142 ret = mt7915_eeprom_init(dev); 143 if (ret < 0) 144 return ret; 145 146 /* Beacon and mgmt frames should occupy wcid 0 */ 147 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7915_WTBL_STA - 1); 148 if (idx) 149 return -ENOSPC; 150 151 dev->mt76.global_wcid.idx = idx; 152 dev->mt76.global_wcid.hw_key_idx = -1; 153 dev->mt76.global_wcid.tx_info |= MT_WCID_TX_INFO_SET; 154 rcu_assign_pointer(dev->mt76.wcid[idx], &dev->mt76.global_wcid); 155 156 return 0; 157 } 158 159 #define CCK_RATE(_idx, _rate) { \ 160 .bitrate = _rate, \ 161 .flags = IEEE80211_RATE_SHORT_PREAMBLE, \ 162 .hw_value = (MT_PHY_TYPE_CCK << 8) | (_idx), \ 163 .hw_value_short = (MT_PHY_TYPE_CCK << 8) | (4 + (_idx)), \ 164 } 165 166 #define OFDM_RATE(_idx, _rate) { \ 167 .bitrate = _rate, \ 168 .hw_value = (MT_PHY_TYPE_OFDM << 8) | (_idx), \ 169 .hw_value_short = (MT_PHY_TYPE_OFDM << 8) | (_idx), \ 170 } 171 172 static struct ieee80211_rate mt7915_rates[] = { 173 CCK_RATE(0, 10), 174 CCK_RATE(1, 20), 175 CCK_RATE(2, 55), 176 CCK_RATE(3, 110), 177 OFDM_RATE(11, 60), 178 OFDM_RATE(15, 90), 179 OFDM_RATE(10, 120), 180 OFDM_RATE(14, 180), 181 OFDM_RATE(9, 240), 182 OFDM_RATE(13, 360), 183 OFDM_RATE(8, 480), 184 OFDM_RATE(12, 540), 185 }; 186 187 static const struct ieee80211_iface_limit if_limits[] = { 188 { 189 .max = 1, 190 .types = BIT(NL80211_IFTYPE_ADHOC) 191 }, { 192 .max = MT7915_MAX_INTERFACES, 193 .types = BIT(NL80211_IFTYPE_AP) | 194 #ifdef CONFIG_MAC80211_MESH 195 BIT(NL80211_IFTYPE_MESH_POINT) | 196 #endif 197 BIT(NL80211_IFTYPE_STATION) 198 } 199 }; 200 201 static const struct ieee80211_iface_combination if_comb[] = { 202 { 203 .limits = if_limits, 204 .n_limits = ARRAY_SIZE(if_limits), 205 .max_interfaces = 4, 206 .num_different_channels = 1, 207 .beacon_int_infra_match = true, 208 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | 209 BIT(NL80211_CHAN_WIDTH_20) | 210 BIT(NL80211_CHAN_WIDTH_40) | 211 BIT(NL80211_CHAN_WIDTH_80) | 212 BIT(NL80211_CHAN_WIDTH_160) | 213 BIT(NL80211_CHAN_WIDTH_80P80), 214 } 215 }; 216 217 static void 218 mt7915_regd_notifier(struct wiphy *wiphy, 219 struct regulatory_request *request) 220 { 221 struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); 222 struct mt7915_dev *dev = mt7915_hw_dev(hw); 223 struct mt76_phy *mphy = hw->priv; 224 struct mt7915_phy *phy = mphy->priv; 225 struct cfg80211_chan_def *chandef = &mphy->chandef; 226 227 dev->mt76.region = request->dfs_region; 228 229 if (!(chandef->chan->flags & IEEE80211_CHAN_RADAR)) 230 return; 231 232 mt7915_dfs_init_radar_detector(phy); 233 } 234 235 static void 236 mt7915_init_wiphy(struct ieee80211_hw *hw) 237 { 238 struct mt7915_phy *phy = mt7915_hw_phy(hw); 239 struct wiphy *wiphy = hw->wiphy; 240 241 hw->queues = 4; 242 hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF; 243 hw->max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF; 244 245 phy->slottime = 9; 246 247 hw->sta_data_size = sizeof(struct mt7915_sta); 248 hw->vif_data_size = sizeof(struct mt7915_vif); 249 250 wiphy->iface_combinations = if_comb; 251 wiphy->n_iface_combinations = ARRAY_SIZE(if_comb); 252 wiphy->reg_notifier = mt7915_regd_notifier; 253 wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; 254 255 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_VHT_IBSS); 256 257 ieee80211_hw_set(hw, HAS_RATE_CONTROL); 258 259 hw->max_tx_fragments = 4; 260 } 261 262 void mt7915_set_stream_vht_txbf_caps(struct mt7915_phy *phy) 263 { 264 int nss = hweight8(phy->chainmask); 265 u32 *cap = &phy->mt76->sband_5g.sband.vht_cap.cap; 266 267 *cap |= IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE | 268 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE | 269 (3 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT); 270 271 *cap &= ~(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK | 272 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE | 273 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE); 274 275 if (nss < 2) 276 return; 277 278 *cap |= IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE | 279 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE | 280 FIELD_PREP(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK, 281 nss - 1); 282 } 283 284 static void 285 mt7915_set_stream_he_txbf_caps(struct ieee80211_sta_he_cap *he_cap, 286 int vif, int nss) 287 { 288 struct ieee80211_he_cap_elem *elem = &he_cap->he_cap_elem; 289 struct ieee80211_he_mcs_nss_supp *mcs = &he_cap->he_mcs_nss_supp; 290 u8 c; 291 292 #ifdef CONFIG_MAC80211_MESH 293 if (vif == NL80211_IFTYPE_MESH_POINT) 294 return; 295 #endif 296 297 elem->phy_cap_info[3] &= ~IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER; 298 elem->phy_cap_info[4] &= ~IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER; 299 300 c = IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK | 301 IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK; 302 elem->phy_cap_info[5] &= ~c; 303 304 c = IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMER_FB | 305 IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMER_FB; 306 elem->phy_cap_info[6] &= ~c; 307 308 elem->phy_cap_info[7] &= ~IEEE80211_HE_PHY_CAP7_MAX_NC_MASK; 309 310 c = IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US | 311 IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO | 312 IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO; 313 elem->phy_cap_info[2] |= c; 314 315 c = IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE | 316 IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4 | 317 IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4; 318 elem->phy_cap_info[4] |= c; 319 320 /* do not support NG16 due to spec D4.0 changes subcarrier idx */ 321 c = IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU | 322 IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU; 323 324 if (vif == NL80211_IFTYPE_STATION) 325 c |= IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO; 326 327 elem->phy_cap_info[6] |= c; 328 329 if (nss < 2) 330 return; 331 332 if (vif != NL80211_IFTYPE_AP) 333 return; 334 335 elem->phy_cap_info[3] |= IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER; 336 elem->phy_cap_info[4] |= IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER; 337 338 /* num_snd_dim */ 339 c = (nss - 1) | (max_t(int, mcs->tx_mcs_160, 1) << 3); 340 elem->phy_cap_info[5] |= c; 341 342 c = IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMER_FB | 343 IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMER_FB; 344 elem->phy_cap_info[6] |= c; 345 346 /* the maximum cap is 4 x 3, (Nr, Nc) = (3, 2) */ 347 elem->phy_cap_info[7] |= min_t(int, nss - 1, 2) << 3; 348 } 349 350 static void 351 mt7915_gen_ppe_thresh(u8 *he_ppet) 352 { 353 int ru, nss, max_nss = 1, max_ru = 3; 354 u8 bit = 7, ru_bit_mask = 0x7; 355 u8 ppet16_ppet8_ru3_ru0[] = {0x1c, 0xc7, 0x71}; 356 357 he_ppet[0] = max_nss & IEEE80211_PPE_THRES_NSS_MASK; 358 he_ppet[0] |= (ru_bit_mask << 359 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS) & 360 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK; 361 362 for (nss = 0; nss <= max_nss; nss++) { 363 for (ru = 0; ru < max_ru; ru++) { 364 u8 val; 365 int i; 366 367 if (!(ru_bit_mask & BIT(ru))) 368 continue; 369 370 val = (ppet16_ppet8_ru3_ru0[nss] >> (ru * 6)) & 371 0x3f; 372 val = ((val >> 3) & 0x7) | ((val & 0x7) << 3); 373 for (i = 5; i >= 0; i--) { 374 he_ppet[bit / 8] |= 375 ((val >> i) & 0x1) << ((bit % 8)); 376 bit++; 377 } 378 } 379 } 380 } 381 382 static int 383 mt7915_init_he_caps(struct mt7915_phy *phy, enum nl80211_band band, 384 struct ieee80211_sband_iftype_data *data) 385 { 386 int i, idx = 0; 387 int nss = hweight8(phy->chainmask); 388 u16 mcs_map = 0; 389 390 for (i = 0; i < 8; i++) { 391 if (i < nss) 392 mcs_map |= (IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2)); 393 else 394 mcs_map |= (IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2)); 395 } 396 397 for (i = 0; i < NUM_NL80211_IFTYPES; i++) { 398 struct ieee80211_sta_he_cap *he_cap = &data[idx].he_cap; 399 struct ieee80211_he_cap_elem *he_cap_elem = 400 &he_cap->he_cap_elem; 401 struct ieee80211_he_mcs_nss_supp *he_mcs = 402 &he_cap->he_mcs_nss_supp; 403 404 switch (i) { 405 case NL80211_IFTYPE_STATION: 406 case NL80211_IFTYPE_AP: 407 #ifdef CONFIG_MAC80211_MESH 408 case NL80211_IFTYPE_MESH_POINT: 409 #endif 410 break; 411 default: 412 continue; 413 } 414 415 data[idx].types_mask = BIT(i); 416 he_cap->has_he = true; 417 418 he_cap_elem->mac_cap_info[0] = 419 IEEE80211_HE_MAC_CAP0_HTC_HE; 420 he_cap_elem->mac_cap_info[1] = 421 IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US | 422 IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1; 423 he_cap_elem->mac_cap_info[2] = 424 IEEE80211_HE_MAC_CAP2_BSR; 425 he_cap_elem->mac_cap_info[3] = 426 IEEE80211_HE_MAC_CAP3_OMI_CONTROL | 427 IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED; 428 he_cap_elem->mac_cap_info[4] = 429 IEEE80211_HE_MAC_CAP4_AMDSU_IN_AMPDU; 430 431 if (band == NL80211_BAND_2GHZ) 432 he_cap_elem->phy_cap_info[0] = 433 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G; 434 else if (band == NL80211_BAND_5GHZ) 435 he_cap_elem->phy_cap_info[0] = 436 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G | 437 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G | 438 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G; 439 440 he_cap_elem->phy_cap_info[1] = 441 IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD; 442 he_cap_elem->phy_cap_info[2] = 443 IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ | 444 IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ; 445 446 /* TODO: OFDMA */ 447 448 switch (i) { 449 case NL80211_IFTYPE_AP: 450 he_cap_elem->mac_cap_info[0] |= 451 IEEE80211_HE_MAC_CAP0_TWT_RES; 452 he_cap_elem->mac_cap_info[4] |= 453 IEEE80211_HE_MAC_CAP4_BQR; 454 he_cap_elem->phy_cap_info[3] |= 455 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK | 456 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK; 457 he_cap_elem->phy_cap_info[6] |= 458 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT; 459 he_cap_elem->phy_cap_info[9] |= 460 IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU; 461 break; 462 case NL80211_IFTYPE_STATION: 463 he_cap_elem->mac_cap_info[0] |= 464 IEEE80211_HE_MAC_CAP0_TWT_REQ; 465 he_cap_elem->mac_cap_info[3] |= 466 IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED; 467 468 if (band == NL80211_BAND_2GHZ) 469 he_cap_elem->phy_cap_info[0] |= 470 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G; 471 else if (band == NL80211_BAND_5GHZ) 472 he_cap_elem->phy_cap_info[0] |= 473 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G; 474 475 he_cap_elem->phy_cap_info[1] |= 476 IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A; 477 he_cap_elem->phy_cap_info[8] |= 478 IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G | 479 IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU | 480 IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU; 481 he_cap_elem->phy_cap_info[9] |= 482 IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU; 483 break; 484 #ifdef CONFIG_MAC80211_MESH 485 case NL80211_IFTYPE_MESH_POINT: 486 break; 487 #endif 488 } 489 490 he_mcs->rx_mcs_80 = cpu_to_le16(mcs_map); 491 he_mcs->tx_mcs_80 = cpu_to_le16(mcs_map); 492 he_mcs->rx_mcs_160 = cpu_to_le16(mcs_map); 493 he_mcs->tx_mcs_160 = cpu_to_le16(mcs_map); 494 he_mcs->rx_mcs_80p80 = cpu_to_le16(mcs_map); 495 he_mcs->tx_mcs_80p80 = cpu_to_le16(mcs_map); 496 497 mt7915_set_stream_he_txbf_caps(he_cap, i, nss); 498 499 memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres)); 500 if (he_cap_elem->phy_cap_info[6] & 501 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 502 mt7915_gen_ppe_thresh(he_cap->ppe_thres); 503 } else { 504 he_cap_elem->phy_cap_info[9] |= 505 IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US; 506 } 507 idx++; 508 } 509 510 return idx; 511 } 512 513 void mt7915_set_stream_he_caps(struct mt7915_phy *phy) 514 { 515 struct ieee80211_sband_iftype_data *data; 516 struct ieee80211_supported_band *band; 517 struct mt76_dev *mdev = &phy->dev->mt76; 518 int n; 519 520 if (mdev->cap.has_2ghz) { 521 data = phy->iftype[NL80211_BAND_2GHZ]; 522 n = mt7915_init_he_caps(phy, NL80211_BAND_2GHZ, data); 523 524 band = &phy->mt76->sband_2g.sband; 525 band->iftype_data = data; 526 band->n_iftype_data = n; 527 } 528 529 if (mdev->cap.has_5ghz) { 530 data = phy->iftype[NL80211_BAND_5GHZ]; 531 n = mt7915_init_he_caps(phy, NL80211_BAND_5GHZ, data); 532 533 band = &phy->mt76->sband_5g.sband; 534 band->iftype_data = data; 535 band->n_iftype_data = n; 536 } 537 } 538 539 static void 540 mt7915_cap_dbdc_enable(struct mt7915_dev *dev) 541 { 542 dev->mphy.sband_5g.sband.vht_cap.cap &= 543 ~(IEEE80211_VHT_CAP_SHORT_GI_160 | 544 IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ); 545 546 if (dev->chainmask == 0xf) 547 dev->mphy.antenna_mask = dev->chainmask >> 2; 548 else 549 dev->mphy.antenna_mask = dev->chainmask >> 1; 550 551 dev->phy.chainmask = dev->mphy.antenna_mask; 552 dev->mphy.hw->wiphy->available_antennas_rx = dev->phy.chainmask; 553 dev->mphy.hw->wiphy->available_antennas_tx = dev->phy.chainmask; 554 555 mt76_set_stream_caps(&dev->mphy, true); 556 mt7915_set_stream_vht_txbf_caps(&dev->phy); 557 mt7915_set_stream_he_caps(&dev->phy); 558 } 559 560 static void 561 mt7915_cap_dbdc_disable(struct mt7915_dev *dev) 562 { 563 dev->mphy.sband_5g.sband.vht_cap.cap |= 564 IEEE80211_VHT_CAP_SHORT_GI_160 | 565 IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ; 566 567 dev->mphy.antenna_mask = dev->chainmask; 568 dev->phy.chainmask = dev->chainmask; 569 dev->mphy.hw->wiphy->available_antennas_rx = dev->chainmask; 570 dev->mphy.hw->wiphy->available_antennas_tx = dev->chainmask; 571 572 mt76_set_stream_caps(&dev->mphy, true); 573 mt7915_set_stream_vht_txbf_caps(&dev->phy); 574 mt7915_set_stream_he_caps(&dev->phy); 575 } 576 577 int mt7915_register_ext_phy(struct mt7915_dev *dev) 578 { 579 struct mt7915_phy *phy = mt7915_ext_phy(dev); 580 struct mt76_phy *mphy; 581 int ret; 582 bool bound; 583 584 /* TODO: enble DBDC */ 585 bound = mt7915_l1_rr(dev, MT_HW_BOUND) & BIT(5); 586 if (!bound) 587 return -EINVAL; 588 589 if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state)) 590 return -EINVAL; 591 592 if (phy) 593 return 0; 594 595 mt7915_cap_dbdc_enable(dev); 596 mphy = mt76_alloc_phy(&dev->mt76, sizeof(*phy), &mt7915_ops); 597 if (!mphy) 598 return -ENOMEM; 599 600 phy = mphy->priv; 601 phy->dev = dev; 602 phy->mt76 = mphy; 603 phy->chainmask = dev->chainmask & ~dev->phy.chainmask; 604 mphy->antenna_mask = BIT(hweight8(phy->chainmask)) - 1; 605 mt7915_init_wiphy(mphy->hw); 606 607 INIT_DELAYED_WORK(&phy->mac_work, mt7915_mac_work); 608 609 /* 610 * Make the secondary PHY MAC address local without overlapping with 611 * the usual MAC address allocation scheme on multiple virtual interfaces 612 */ 613 mphy->hw->wiphy->perm_addr[0] |= 2; 614 mphy->hw->wiphy->perm_addr[0] ^= BIT(7); 615 616 /* The second interface does not get any packets unless it has a vif */ 617 ieee80211_hw_set(mphy->hw, WANT_MONITOR_VIF); 618 619 ret = mt76_register_phy(mphy); 620 if (ret) 621 ieee80211_free_hw(mphy->hw); 622 623 return ret; 624 } 625 626 void mt7915_unregister_ext_phy(struct mt7915_dev *dev) 627 { 628 struct mt7915_phy *phy = mt7915_ext_phy(dev); 629 struct mt76_phy *mphy = dev->mt76.phy2; 630 631 if (!phy) 632 return; 633 634 mt7915_cap_dbdc_disable(dev); 635 mt76_unregister_phy(mphy); 636 ieee80211_free_hw(mphy->hw); 637 } 638 639 int mt7915_register_device(struct mt7915_dev *dev) 640 { 641 struct ieee80211_hw *hw = mt76_hw(dev); 642 int ret; 643 644 dev->phy.dev = dev; 645 dev->phy.mt76 = &dev->mt76.phy; 646 dev->mt76.phy.priv = &dev->phy; 647 INIT_DELAYED_WORK(&dev->phy.mac_work, mt7915_mac_work); 648 INIT_LIST_HEAD(&dev->sta_poll_list); 649 spin_lock_init(&dev->sta_poll_lock); 650 651 init_waitqueue_head(&dev->reset_wait); 652 INIT_WORK(&dev->reset_work, mt7915_mac_reset_work); 653 654 ret = mt7915_init_hardware(dev); 655 if (ret) 656 return ret; 657 658 mt7915_init_wiphy(hw); 659 dev->mphy.sband_2g.sband.ht_cap.cap |= 660 IEEE80211_HT_CAP_LDPC_CODING | 661 IEEE80211_HT_CAP_MAX_AMSDU; 662 dev->mphy.sband_5g.sband.ht_cap.cap |= 663 IEEE80211_HT_CAP_LDPC_CODING | 664 IEEE80211_HT_CAP_MAX_AMSDU; 665 dev->mphy.sband_5g.sband.vht_cap.cap |= 666 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 | 667 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK; 668 mt7915_cap_dbdc_disable(dev); 669 dev->phy.dfs_state = -1; 670 671 ret = mt76_register_device(&dev->mt76, true, mt7915_rates, 672 ARRAY_SIZE(mt7915_rates)); 673 if (ret) 674 return ret; 675 676 ieee80211_queue_work(mt76_hw(dev), &dev->init_work); 677 678 return mt7915_init_debugfs(dev); 679 } 680 681 void mt7915_unregister_device(struct mt7915_dev *dev) 682 { 683 struct mt76_txwi_cache *txwi; 684 int id; 685 686 mt7915_unregister_ext_phy(dev); 687 mt76_unregister_device(&dev->mt76); 688 mt7915_mcu_exit(dev); 689 mt7915_dma_cleanup(dev); 690 691 spin_lock_bh(&dev->token_lock); 692 idr_for_each_entry(&dev->token, txwi, id) { 693 mt7915_txp_skb_unmap(&dev->mt76, txwi); 694 if (txwi->skb) 695 dev_kfree_skb_any(txwi->skb); 696 mt76_put_txwi(&dev->mt76, txwi); 697 } 698 spin_unlock_bh(&dev->token_lock); 699 idr_destroy(&dev->token); 700 701 mt76_free_device(&dev->mt76); 702 } 703