developer | 0f312e8 | 2022-11-01 12:31:52 +0800 | [diff] [blame] | 1 | // SPDX-License-Identifier: ISC |
| 2 | /* |
| 3 | * Copyright (C) 2022 MediaTek Inc. |
| 4 | */ |
| 5 | |
| 6 | #include <linux/etherdevice.h> |
| 7 | #include <linux/thermal.h> |
| 8 | #include "mt7996.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 = MT7996_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 = MT7996_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 void mt7996_led_set_config(struct led_classdev *led_cdev, |
| 46 | u8 delay_on, u8 delay_off) |
| 47 | { |
| 48 | struct mt7996_dev *dev; |
| 49 | struct mt76_dev *mt76; |
| 50 | u32 val; |
| 51 | |
| 52 | mt76 = container_of(led_cdev, struct mt76_dev, led_cdev); |
| 53 | dev = container_of(mt76, struct mt7996_dev, mt76); |
| 54 | |
| 55 | /* select TX blink mode, 2: only data frames */ |
| 56 | mt76_rmw_field(dev, MT_TMAC_TCR0(0), MT_TMAC_TCR0_TX_BLINK, 2); |
| 57 | |
| 58 | /* enable LED */ |
| 59 | mt76_wr(dev, MT_LED_EN(0), 1); |
| 60 | |
| 61 | /* set LED Tx blink on/off time */ |
| 62 | val = FIELD_PREP(MT_LED_TX_BLINK_ON_MASK, delay_on) | |
| 63 | FIELD_PREP(MT_LED_TX_BLINK_OFF_MASK, delay_off); |
| 64 | mt76_wr(dev, MT_LED_TX_BLINK(0), val); |
| 65 | |
| 66 | /* control LED */ |
| 67 | val = MT_LED_CTRL_BLINK_MODE | MT_LED_CTRL_KICK; |
| 68 | if (dev->mt76.led_al) |
| 69 | val |= MT_LED_CTRL_POLARITY; |
| 70 | |
| 71 | mt76_wr(dev, MT_LED_CTRL(0), val); |
| 72 | mt76_clear(dev, MT_LED_CTRL(0), MT_LED_CTRL_KICK); |
| 73 | } |
| 74 | |
| 75 | static int mt7996_led_set_blink(struct led_classdev *led_cdev, |
| 76 | unsigned long *delay_on, |
| 77 | unsigned long *delay_off) |
| 78 | { |
| 79 | u16 delta_on = 0, delta_off = 0; |
| 80 | |
| 81 | #define HW_TICK 10 |
| 82 | #define TO_HW_TICK(_t) (((_t) > HW_TICK) ? ((_t) / HW_TICK) : HW_TICK) |
| 83 | |
| 84 | if (*delay_on) |
| 85 | delta_on = TO_HW_TICK(*delay_on); |
| 86 | if (*delay_off) |
| 87 | delta_off = TO_HW_TICK(*delay_off); |
| 88 | |
| 89 | mt7996_led_set_config(led_cdev, delta_on, delta_off); |
| 90 | |
| 91 | return 0; |
| 92 | } |
| 93 | |
| 94 | static void mt7996_led_set_brightness(struct led_classdev *led_cdev, |
| 95 | enum led_brightness brightness) |
| 96 | { |
| 97 | if (!brightness) |
| 98 | mt7996_led_set_config(led_cdev, 0, 0xff); |
| 99 | else |
| 100 | mt7996_led_set_config(led_cdev, 0xff, 0); |
| 101 | } |
| 102 | |
| 103 | static void |
| 104 | mt7996_init_txpower(struct mt7996_dev *dev, |
| 105 | struct ieee80211_supported_band *sband) |
| 106 | { |
| 107 | int i, nss = hweight8(dev->mphy.antenna_mask); |
| 108 | int nss_delta = mt76_tx_power_nss_delta(nss); |
| 109 | int pwr_delta = mt7996_eeprom_get_power_delta(dev, sband->band); |
| 110 | struct mt76_power_limits limits; |
| 111 | |
| 112 | for (i = 0; i < sband->n_channels; i++) { |
| 113 | struct ieee80211_channel *chan = &sband->channels[i]; |
| 114 | int target_power = mt7996_eeprom_get_target_power(dev, chan); |
| 115 | |
| 116 | target_power += pwr_delta; |
| 117 | target_power = mt76_get_rate_power_limits(&dev->mphy, chan, |
| 118 | &limits, |
| 119 | target_power); |
| 120 | target_power += nss_delta; |
| 121 | target_power = DIV_ROUND_UP(target_power, 2); |
| 122 | chan->max_power = min_t(int, chan->max_reg_power, |
| 123 | target_power); |
| 124 | chan->orig_mpwr = target_power; |
| 125 | } |
| 126 | } |
| 127 | |
| 128 | static void |
| 129 | mt7996_regd_notifier(struct wiphy *wiphy, |
| 130 | struct regulatory_request *request) |
| 131 | { |
| 132 | struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); |
| 133 | struct mt7996_dev *dev = mt7996_hw_dev(hw); |
| 134 | struct mt7996_phy *phy = mt7996_hw_phy(hw); |
| 135 | |
| 136 | memcpy(dev->mt76.alpha2, request->alpha2, sizeof(dev->mt76.alpha2)); |
| 137 | dev->mt76.region = request->dfs_region; |
| 138 | |
| 139 | if (dev->mt76.region == NL80211_DFS_UNSET) |
| 140 | mt7996_mcu_rdd_background_enable(phy, NULL); |
| 141 | |
| 142 | mt7996_init_txpower(dev, &phy->mt76->sband_2g.sband); |
| 143 | mt7996_init_txpower(dev, &phy->mt76->sband_5g.sband); |
| 144 | mt7996_init_txpower(dev, &phy->mt76->sband_6g.sband); |
| 145 | |
| 146 | phy->mt76->dfs_state = MT_DFS_STATE_UNKNOWN; |
| 147 | mt7996_dfs_init_radar_detector(phy); |
| 148 | } |
| 149 | |
| 150 | static void |
| 151 | mt7996_init_wiphy(struct ieee80211_hw *hw) |
| 152 | { |
| 153 | struct mt7996_phy *phy = mt7996_hw_phy(hw); |
| 154 | struct mt76_dev *mdev = &phy->dev->mt76; |
| 155 | struct wiphy *wiphy = hw->wiphy; |
| 156 | |
| 157 | hw->queues = 4; |
| 158 | hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF_HE; |
| 159 | hw->max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF_HE; |
| 160 | hw->netdev_features = NETIF_F_RXCSUM; |
| 161 | |
| 162 | hw->radiotap_timestamp.units_pos = |
| 163 | IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US; |
| 164 | |
| 165 | phy->slottime = 9; |
| 166 | |
| 167 | hw->sta_data_size = sizeof(struct mt7996_sta); |
| 168 | hw->vif_data_size = sizeof(struct mt7996_vif); |
| 169 | |
| 170 | wiphy->iface_combinations = if_comb; |
| 171 | wiphy->n_iface_combinations = ARRAY_SIZE(if_comb); |
| 172 | wiphy->reg_notifier = mt7996_regd_notifier; |
| 173 | wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; |
| 174 | |
| 175 | wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BSS_COLOR); |
| 176 | wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_VHT_IBSS); |
| 177 | wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_LEGACY); |
| 178 | wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_HT); |
| 179 | wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_VHT); |
| 180 | wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_HE); |
| 181 | wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_UNSOL_BCAST_PROBE_RESP); |
| 182 | wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_FILS_DISCOVERY); |
| 183 | |
| 184 | if (!mdev->dev->of_node || |
| 185 | !of_property_read_bool(mdev->dev->of_node, |
| 186 | "mediatek,disable-radar-background")) |
| 187 | wiphy_ext_feature_set(wiphy, |
| 188 | NL80211_EXT_FEATURE_RADAR_BACKGROUND); |
| 189 | |
| 190 | ieee80211_hw_set(hw, HAS_RATE_CONTROL); |
| 191 | ieee80211_hw_set(hw, SUPPORTS_TX_ENCAP_OFFLOAD); |
| 192 | ieee80211_hw_set(hw, SUPPORTS_RX_DECAP_OFFLOAD); |
| 193 | ieee80211_hw_set(hw, WANT_MONITOR_VIF); |
| 194 | |
| 195 | hw->max_tx_fragments = 4; |
| 196 | |
| 197 | if (phy->mt76->cap.has_2ghz) |
| 198 | phy->mt76->sband_2g.sband.ht_cap.cap |= |
| 199 | IEEE80211_HT_CAP_LDPC_CODING | |
| 200 | IEEE80211_HT_CAP_MAX_AMSDU; |
| 201 | |
| 202 | if (phy->mt76->cap.has_5ghz) { |
| 203 | phy->mt76->sband_5g.sband.ht_cap.cap |= |
| 204 | IEEE80211_HT_CAP_LDPC_CODING | |
| 205 | IEEE80211_HT_CAP_MAX_AMSDU; |
| 206 | |
| 207 | phy->mt76->sband_5g.sband.vht_cap.cap |= |
| 208 | IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 | |
| 209 | IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK | |
| 210 | IEEE80211_VHT_CAP_SHORT_GI_160 | |
| 211 | IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ; |
| 212 | } |
| 213 | |
| 214 | mt76_set_stream_caps(phy->mt76, true); |
| 215 | mt7996_set_stream_vht_txbf_caps(phy); |
| 216 | mt7996_set_stream_he_caps(phy); |
| 217 | |
| 218 | wiphy->available_antennas_rx = phy->mt76->antenna_mask; |
| 219 | wiphy->available_antennas_tx = phy->mt76->antenna_mask; |
| 220 | } |
| 221 | |
| 222 | static void |
| 223 | mt7996_mac_init_band(struct mt7996_dev *dev, u8 band) |
| 224 | { |
| 225 | u32 mask, set; |
| 226 | |
| 227 | /* clear estimated value of EIFS for Rx duration & OBSS time */ |
| 228 | mt76_wr(dev, MT_WF_RMAC_RSVD0(band), MT_WF_RMAC_RSVD0_EIFS_CLR); |
| 229 | |
| 230 | /* clear backoff time for Rx duration */ |
| 231 | mt76_clear(dev, MT_WF_RMAC_MIB_AIRTIME1(band), |
| 232 | MT_WF_RMAC_MIB_NONQOSD_BACKOFF); |
| 233 | mt76_clear(dev, MT_WF_RMAC_MIB_AIRTIME3(band), |
| 234 | MT_WF_RMAC_MIB_QOS01_BACKOFF); |
| 235 | mt76_clear(dev, MT_WF_RMAC_MIB_AIRTIME4(band), |
| 236 | MT_WF_RMAC_MIB_QOS23_BACKOFF); |
| 237 | |
| 238 | /* clear backoff time and set software compensation for OBSS time */ |
| 239 | mask = MT_WF_RMAC_MIB_OBSS_BACKOFF | MT_WF_RMAC_MIB_ED_OFFSET; |
| 240 | set = FIELD_PREP(MT_WF_RMAC_MIB_OBSS_BACKOFF, 0) | |
| 241 | FIELD_PREP(MT_WF_RMAC_MIB_ED_OFFSET, 4); |
| 242 | mt76_rmw(dev, MT_WF_RMAC_MIB_AIRTIME0(band), mask, set); |
| 243 | } |
| 244 | |
| 245 | static void mt7996_mac_init(struct mt7996_dev *dev) |
| 246 | { |
| 247 | #define HIF_TXD_V2_1 4 |
| 248 | int i; |
| 249 | |
| 250 | mt76_clear(dev, MT_MDP_DCR2, MT_MDP_DCR2_RX_TRANS_SHORT); |
| 251 | |
| 252 | for (i = 0; i < MT7996_WTBL_SIZE; i++) |
| 253 | mt7996_mac_wtbl_update(dev, i, |
| 254 | MT_WTBL_UPDATE_ADM_COUNT_CLEAR); |
| 255 | |
| 256 | if (IS_ENABLED(CONFIG_MT76_LEDS)) { |
| 257 | i = dev->mt76.led_pin ? MT_LED_GPIO_MUX3 : MT_LED_GPIO_MUX2; |
| 258 | mt76_rmw_field(dev, i, MT_LED_GPIO_SEL_MASK, 4); |
| 259 | } |
| 260 | |
| 261 | /* txs report queue */ |
| 262 | mt76_rmw_field(dev, MT_DMA_TCRF1(0), MT_DMA_TCRF1_QIDX, 0); |
| 263 | mt76_rmw_field(dev, MT_DMA_TCRF1(1), MT_DMA_TCRF1_QIDX, 6); |
| 264 | mt76_rmw_field(dev, MT_DMA_TCRF1(2), MT_DMA_TCRF1_QIDX, 0); |
| 265 | |
| 266 | /* rro module init */ |
| 267 | mt7996_mcu_set_rro(dev, UNI_RRO_SET_PLATFORM_TYPE, 2); |
| 268 | mt7996_mcu_set_rro(dev, UNI_RRO_SET_BYPASS_MODE, 3); |
| 269 | mt7996_mcu_set_rro(dev, UNI_RRO_SET_TXFREE_PATH, 1); |
| 270 | |
| 271 | mt7996_mcu_wa_cmd(dev, MCU_WA_PARAM_CMD(SET), |
| 272 | MCU_WA_PARAM_HW_PATH_HIF_VER, |
| 273 | HIF_TXD_V2_1, 0); |
| 274 | |
| 275 | for (i = MT_BAND0; i <= MT_BAND2; i++) |
| 276 | mt7996_mac_init_band(dev, i); |
| 277 | } |
| 278 | |
| 279 | static int mt7996_txbf_init(struct mt7996_dev *dev) |
| 280 | { |
| 281 | int ret; |
| 282 | |
| 283 | if (dev->dbdc_support) { |
| 284 | ret = mt7996_mcu_set_txbf(dev, BF_MOD_EN_CTRL); |
| 285 | if (ret) |
| 286 | return ret; |
| 287 | } |
| 288 | |
| 289 | /* trigger sounding packets */ |
| 290 | ret = mt7996_mcu_set_txbf(dev, BF_SOUNDING_ON); |
| 291 | if (ret) |
| 292 | return ret; |
| 293 | |
| 294 | /* enable eBF */ |
| 295 | return mt7996_mcu_set_txbf(dev, BF_HW_EN_UPDATE); |
| 296 | } |
| 297 | |
| 298 | static int mt7996_register_phy(struct mt7996_dev *dev, struct mt7996_phy *phy, |
| 299 | enum mt76_band_id band) |
| 300 | { |
| 301 | struct mt76_phy *mphy; |
| 302 | u32 mac_ofs, hif1_ofs = 0; |
| 303 | int ret; |
| 304 | |
| 305 | if (band != MT_BAND1 && band != MT_BAND2) |
| 306 | return 0; |
| 307 | |
| 308 | if ((band == MT_BAND1 && !dev->dbdc_support) || |
| 309 | (band == MT_BAND2 && !dev->tbtc_support)) |
| 310 | return 0; |
| 311 | |
| 312 | if (phy) |
| 313 | return 0; |
| 314 | |
| 315 | if (band == MT_BAND2 && dev->hif2) |
| 316 | hif1_ofs = MT_WFDMA0_PCIE1(0) - MT_WFDMA0(0); |
| 317 | |
| 318 | mphy = mt76_alloc_phy(&dev->mt76, sizeof(*phy), &mt7996_ops, band); |
| 319 | if (!mphy) |
| 320 | return -ENOMEM; |
| 321 | |
| 322 | phy = mphy->priv; |
| 323 | phy->dev = dev; |
| 324 | phy->mt76 = mphy; |
| 325 | mphy->dev->phys[band] = mphy; |
| 326 | |
| 327 | INIT_DELAYED_WORK(&mphy->mac_work, mt7996_mac_work); |
| 328 | |
| 329 | ret = mt7996_eeprom_parse_hw_cap(dev, phy); |
| 330 | if (ret) |
| 331 | goto error; |
| 332 | |
| 333 | mac_ofs = band == MT_BAND2 ? MT_EE_MAC_ADDR3 : MT_EE_MAC_ADDR2; |
| 334 | memcpy(mphy->macaddr, dev->mt76.eeprom.data + mac_ofs, ETH_ALEN); |
| 335 | /* Make the extra PHY MAC address local without overlapping with |
| 336 | * the usual MAC address allocation scheme on multiple virtual interfaces |
| 337 | */ |
| 338 | if (!is_valid_ether_addr(mphy->macaddr)) { |
| 339 | memcpy(mphy->macaddr, dev->mt76.eeprom.data + MT_EE_MAC_ADDR, |
| 340 | ETH_ALEN); |
| 341 | mphy->macaddr[0] |= 2; |
| 342 | mphy->macaddr[0] ^= BIT(7); |
| 343 | if (band == MT_BAND2) |
| 344 | mphy->macaddr[0] ^= BIT(6); |
| 345 | } |
| 346 | mt76_eeprom_override(mphy); |
| 347 | |
| 348 | /* init wiphy according to mphy and phy */ |
| 349 | mt7996_init_wiphy(mphy->hw); |
| 350 | ret = mt76_connac_init_tx_queues(phy->mt76, |
| 351 | MT_TXQ_ID(band), |
| 352 | MT7996_TX_RING_SIZE, |
| 353 | MT_TXQ_RING_BASE(band) + hif1_ofs, 0); |
| 354 | if (ret) |
| 355 | goto error; |
| 356 | |
| 357 | ret = mt76_register_phy(mphy, true, mt76_rates, |
| 358 | ARRAY_SIZE(mt76_rates)); |
| 359 | if (ret) |
| 360 | goto error; |
| 361 | |
| 362 | ret = mt7996_init_debugfs(phy); |
| 363 | if (ret) |
| 364 | goto error; |
| 365 | |
| 366 | return 0; |
| 367 | |
| 368 | error: |
| 369 | mphy->dev->phys[band] = NULL; |
| 370 | ieee80211_free_hw(mphy->hw); |
| 371 | return ret; |
| 372 | } |
| 373 | |
| 374 | static void |
| 375 | mt7996_unregister_phy(struct mt7996_phy *phy, enum mt76_band_id band) |
| 376 | { |
| 377 | struct mt76_phy *mphy; |
| 378 | |
| 379 | if (!phy) |
| 380 | return; |
| 381 | |
| 382 | mphy = phy->dev->mt76.phys[band]; |
| 383 | mt76_unregister_phy(mphy); |
| 384 | ieee80211_free_hw(mphy->hw); |
| 385 | phy->dev->mt76.phys[band] = NULL; |
| 386 | } |
| 387 | |
| 388 | static void mt7996_init_work(struct work_struct *work) |
| 389 | { |
| 390 | struct mt7996_dev *dev = container_of(work, struct mt7996_dev, |
| 391 | init_work); |
| 392 | |
| 393 | mt7996_mcu_set_eeprom(dev); |
| 394 | mt7996_mac_init(dev); |
| 395 | mt7996_init_txpower(dev, &dev->mphy.sband_2g.sband); |
| 396 | mt7996_init_txpower(dev, &dev->mphy.sband_5g.sband); |
| 397 | mt7996_init_txpower(dev, &dev->mphy.sband_6g.sband); |
| 398 | mt7996_txbf_init(dev); |
| 399 | } |
| 400 | |
| 401 | void mt7996_wfsys_reset(struct mt7996_dev *dev) |
| 402 | { |
| 403 | mt76_set(dev, MT_WF_SUBSYS_RST, 0x1); |
| 404 | msleep(20); |
| 405 | |
| 406 | mt76_clear(dev, MT_WF_SUBSYS_RST, 0x1); |
| 407 | msleep(20); |
| 408 | } |
| 409 | |
| 410 | static int mt7996_init_hardware(struct mt7996_dev *dev) |
| 411 | { |
| 412 | int ret, idx; |
| 413 | |
| 414 | mt76_wr(dev, MT_INT_SOURCE_CSR, ~0); |
| 415 | |
| 416 | INIT_WORK(&dev->init_work, mt7996_init_work); |
| 417 | |
| 418 | dev->dbdc_support = true; |
| 419 | dev->tbtc_support = true; |
| 420 | |
| 421 | ret = mt7996_dma_init(dev); |
| 422 | if (ret) |
| 423 | return ret; |
| 424 | |
| 425 | set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state); |
| 426 | |
| 427 | ret = mt7996_mcu_init(dev); |
| 428 | if (ret) |
| 429 | return ret; |
| 430 | |
| 431 | ret = mt7996_eeprom_init(dev); |
| 432 | if (ret < 0) |
| 433 | return ret; |
| 434 | |
| 435 | /* Beacon and mgmt frames should occupy wcid 0 */ |
| 436 | idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7996_WTBL_STA); |
| 437 | if (idx) |
| 438 | return -ENOSPC; |
| 439 | |
| 440 | dev->mt76.global_wcid.idx = idx; |
| 441 | dev->mt76.global_wcid.hw_key_idx = -1; |
| 442 | dev->mt76.global_wcid.tx_info |= MT_WCID_TX_INFO_SET; |
| 443 | rcu_assign_pointer(dev->mt76.wcid[idx], &dev->mt76.global_wcid); |
| 444 | |
| 445 | return 0; |
| 446 | } |
| 447 | |
| 448 | void mt7996_set_stream_vht_txbf_caps(struct mt7996_phy *phy) |
| 449 | { |
| 450 | int sts; |
| 451 | u32 *cap; |
| 452 | |
| 453 | if (!phy->mt76->cap.has_5ghz) |
| 454 | return; |
| 455 | |
| 456 | sts = hweight16(phy->mt76->chainmask); |
| 457 | cap = &phy->mt76->sband_5g.sband.vht_cap.cap; |
| 458 | |
| 459 | *cap |= IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE | |
| 460 | IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE | |
| 461 | (3 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT); |
| 462 | |
| 463 | *cap &= ~(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK | |
| 464 | IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE | |
| 465 | IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE); |
| 466 | |
| 467 | if (sts < 2) |
| 468 | return; |
| 469 | |
| 470 | *cap |= IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE | |
| 471 | IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE | |
| 472 | FIELD_PREP(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK, sts - 1); |
| 473 | } |
| 474 | |
| 475 | static void |
| 476 | mt7996_set_stream_he_txbf_caps(struct mt7996_phy *phy, |
| 477 | struct ieee80211_sta_he_cap *he_cap, int vif) |
| 478 | { |
| 479 | struct ieee80211_he_cap_elem *elem = &he_cap->he_cap_elem; |
| 480 | int sts = hweight16(phy->mt76->chainmask); |
| 481 | u8 c; |
| 482 | |
| 483 | #ifdef CONFIG_MAC80211_MESH |
| 484 | if (vif == NL80211_IFTYPE_MESH_POINT) |
| 485 | return; |
| 486 | #endif |
| 487 | |
| 488 | elem->phy_cap_info[3] &= ~IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER; |
| 489 | elem->phy_cap_info[4] &= ~IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER; |
| 490 | |
| 491 | c = IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK | |
| 492 | IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK; |
| 493 | elem->phy_cap_info[5] &= ~c; |
| 494 | |
| 495 | c = IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB | |
| 496 | IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB; |
| 497 | elem->phy_cap_info[6] &= ~c; |
| 498 | |
| 499 | elem->phy_cap_info[7] &= ~IEEE80211_HE_PHY_CAP7_MAX_NC_MASK; |
| 500 | |
| 501 | c = IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US | |
| 502 | IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO | |
| 503 | IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO; |
| 504 | elem->phy_cap_info[2] |= c; |
| 505 | |
| 506 | c = IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE | |
| 507 | IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4 | |
| 508 | IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4; |
| 509 | elem->phy_cap_info[4] |= c; |
| 510 | |
| 511 | /* do not support NG16 due to spec D4.0 changes subcarrier idx */ |
| 512 | c = IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU | |
| 513 | IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU; |
| 514 | |
| 515 | if (vif == NL80211_IFTYPE_STATION) |
| 516 | c |= IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO; |
| 517 | |
| 518 | elem->phy_cap_info[6] |= c; |
| 519 | |
| 520 | if (sts < 2) |
| 521 | return; |
| 522 | |
| 523 | /* the maximum cap is 4 x 3, (Nr, Nc) = (3, 2) */ |
| 524 | elem->phy_cap_info[7] |= min_t(int, sts - 1, 2) << 3; |
| 525 | |
| 526 | if (vif != NL80211_IFTYPE_AP) |
| 527 | return; |
| 528 | |
| 529 | elem->phy_cap_info[3] |= IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER; |
| 530 | elem->phy_cap_info[4] |= IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER; |
| 531 | |
| 532 | c = FIELD_PREP(IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK, |
| 533 | sts - 1) | |
| 534 | FIELD_PREP(IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK, |
| 535 | sts - 1); |
| 536 | elem->phy_cap_info[5] |= c; |
| 537 | |
| 538 | c = IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB | |
| 539 | IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB; |
| 540 | elem->phy_cap_info[6] |= c; |
| 541 | |
| 542 | c = IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ | |
| 543 | IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ; |
| 544 | elem->phy_cap_info[7] |= c; |
| 545 | } |
| 546 | |
| 547 | static void |
| 548 | mt7996_gen_ppe_thresh(u8 *he_ppet, int nss) |
| 549 | { |
| 550 | u8 i, ppet_bits, ppet_size, ru_bit_mask = 0x7; /* HE80 */ |
| 551 | static const u8 ppet16_ppet8_ru3_ru0[] = {0x1c, 0xc7, 0x71}; |
| 552 | |
| 553 | he_ppet[0] = FIELD_PREP(IEEE80211_PPE_THRES_NSS_MASK, nss - 1) | |
| 554 | FIELD_PREP(IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK, |
| 555 | ru_bit_mask); |
| 556 | |
| 557 | ppet_bits = IEEE80211_PPE_THRES_INFO_PPET_SIZE * |
| 558 | nss * hweight8(ru_bit_mask) * 2; |
| 559 | ppet_size = DIV_ROUND_UP(ppet_bits, 8); |
| 560 | |
| 561 | for (i = 0; i < ppet_size - 1; i++) |
| 562 | he_ppet[i + 1] = ppet16_ppet8_ru3_ru0[i % 3]; |
| 563 | |
| 564 | he_ppet[i + 1] = ppet16_ppet8_ru3_ru0[i % 3] & |
| 565 | (0xff >> (8 - (ppet_bits - 1) % 8)); |
| 566 | } |
| 567 | |
| 568 | static int |
| 569 | mt7996_init_he_caps(struct mt7996_phy *phy, enum nl80211_band band, |
| 570 | struct ieee80211_sband_iftype_data *data) |
| 571 | { |
| 572 | int i, idx = 0, nss = hweight8(phy->mt76->antenna_mask); |
| 573 | u16 mcs_map = 0; |
| 574 | |
| 575 | for (i = 0; i < 8; i++) { |
| 576 | if (i < nss) |
| 577 | mcs_map |= (IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2)); |
| 578 | else |
| 579 | mcs_map |= (IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2)); |
| 580 | } |
| 581 | |
| 582 | for (i = 0; i < NUM_NL80211_IFTYPES; i++) { |
| 583 | struct ieee80211_sta_he_cap *he_cap = &data[idx].he_cap; |
| 584 | struct ieee80211_he_cap_elem *he_cap_elem = |
| 585 | &he_cap->he_cap_elem; |
| 586 | struct ieee80211_he_mcs_nss_supp *he_mcs = |
| 587 | &he_cap->he_mcs_nss_supp; |
| 588 | |
| 589 | switch (i) { |
| 590 | case NL80211_IFTYPE_STATION: |
| 591 | case NL80211_IFTYPE_AP: |
| 592 | #ifdef CONFIG_MAC80211_MESH |
| 593 | case NL80211_IFTYPE_MESH_POINT: |
| 594 | #endif |
| 595 | break; |
| 596 | default: |
| 597 | continue; |
| 598 | } |
| 599 | |
| 600 | data[idx].types_mask = BIT(i); |
| 601 | he_cap->has_he = true; |
| 602 | |
| 603 | he_cap_elem->mac_cap_info[0] = |
| 604 | IEEE80211_HE_MAC_CAP0_HTC_HE; |
| 605 | he_cap_elem->mac_cap_info[3] = |
| 606 | IEEE80211_HE_MAC_CAP3_OMI_CONTROL | |
| 607 | IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3; |
| 608 | he_cap_elem->mac_cap_info[4] = |
| 609 | IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU; |
| 610 | |
| 611 | if (band == NL80211_BAND_2GHZ) |
| 612 | he_cap_elem->phy_cap_info[0] = |
| 613 | IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G; |
| 614 | else |
| 615 | he_cap_elem->phy_cap_info[0] = |
| 616 | IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G | |
| 617 | IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G | |
| 618 | IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G; |
| 619 | |
| 620 | he_cap_elem->phy_cap_info[1] = |
| 621 | IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD; |
| 622 | he_cap_elem->phy_cap_info[2] = |
| 623 | IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ | |
| 624 | IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ; |
| 625 | |
| 626 | switch (i) { |
| 627 | case NL80211_IFTYPE_AP: |
| 628 | he_cap_elem->mac_cap_info[0] |= |
| 629 | IEEE80211_HE_MAC_CAP0_TWT_RES; |
| 630 | he_cap_elem->mac_cap_info[2] |= |
| 631 | IEEE80211_HE_MAC_CAP2_BSR; |
| 632 | he_cap_elem->mac_cap_info[4] |= |
| 633 | IEEE80211_HE_MAC_CAP4_BQR; |
| 634 | he_cap_elem->mac_cap_info[5] |= |
| 635 | IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX; |
| 636 | he_cap_elem->phy_cap_info[3] |= |
| 637 | IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK | |
| 638 | IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK; |
| 639 | he_cap_elem->phy_cap_info[6] |= |
| 640 | IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE | |
| 641 | IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT; |
| 642 | he_cap_elem->phy_cap_info[9] |= |
| 643 | IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU | |
| 644 | IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU; |
| 645 | break; |
| 646 | case NL80211_IFTYPE_STATION: |
| 647 | he_cap_elem->mac_cap_info[1] |= |
| 648 | IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US; |
| 649 | |
| 650 | if (band == NL80211_BAND_2GHZ) |
| 651 | he_cap_elem->phy_cap_info[0] |= |
| 652 | IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G; |
| 653 | else |
| 654 | he_cap_elem->phy_cap_info[0] |= |
| 655 | IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G; |
| 656 | |
| 657 | he_cap_elem->phy_cap_info[1] |= |
| 658 | IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A | |
| 659 | IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US; |
| 660 | he_cap_elem->phy_cap_info[3] |= |
| 661 | IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK | |
| 662 | IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK; |
| 663 | he_cap_elem->phy_cap_info[6] |= |
| 664 | IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB | |
| 665 | IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE | |
| 666 | IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT; |
| 667 | he_cap_elem->phy_cap_info[7] |= |
| 668 | IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP | |
| 669 | IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI; |
| 670 | he_cap_elem->phy_cap_info[8] |= |
| 671 | IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G | |
| 672 | IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU | |
| 673 | IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU | |
| 674 | IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484; |
| 675 | he_cap_elem->phy_cap_info[9] |= |
| 676 | IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM | |
| 677 | IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK | |
| 678 | IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU | |
| 679 | IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU | |
| 680 | IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB | |
| 681 | IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB; |
| 682 | break; |
| 683 | } |
| 684 | |
| 685 | he_mcs->rx_mcs_80 = cpu_to_le16(mcs_map); |
| 686 | he_mcs->tx_mcs_80 = cpu_to_le16(mcs_map); |
| 687 | he_mcs->rx_mcs_160 = cpu_to_le16(mcs_map); |
| 688 | he_mcs->tx_mcs_160 = cpu_to_le16(mcs_map); |
| 689 | he_mcs->rx_mcs_80p80 = cpu_to_le16(mcs_map); |
| 690 | he_mcs->tx_mcs_80p80 = cpu_to_le16(mcs_map); |
| 691 | |
| 692 | mt7996_set_stream_he_txbf_caps(phy, he_cap, i); |
| 693 | |
| 694 | memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres)); |
| 695 | if (he_cap_elem->phy_cap_info[6] & |
| 696 | IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { |
| 697 | mt7996_gen_ppe_thresh(he_cap->ppe_thres, nss); |
| 698 | } else { |
| 699 | he_cap_elem->phy_cap_info[9] |= |
| 700 | IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US; |
| 701 | } |
| 702 | |
| 703 | if (band == NL80211_BAND_6GHZ) { |
| 704 | u16 cap = IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS | |
| 705 | IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS; |
| 706 | |
| 707 | cap |= u16_encode_bits(IEEE80211_HT_MPDU_DENSITY_2, |
| 708 | IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START) | |
| 709 | u16_encode_bits(IEEE80211_VHT_MAX_AMPDU_1024K, |
| 710 | IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP) | |
| 711 | u16_encode_bits(IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454, |
| 712 | IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN); |
| 713 | |
| 714 | data[idx].he_6ghz_capa.capa = cpu_to_le16(cap); |
| 715 | } |
| 716 | |
| 717 | idx++; |
| 718 | } |
| 719 | |
| 720 | return idx; |
| 721 | } |
| 722 | |
| 723 | void mt7996_set_stream_he_caps(struct mt7996_phy *phy) |
| 724 | { |
| 725 | struct ieee80211_sband_iftype_data *data; |
| 726 | struct ieee80211_supported_band *band; |
| 727 | int n; |
| 728 | |
| 729 | if (phy->mt76->cap.has_2ghz) { |
| 730 | data = phy->iftype[NL80211_BAND_2GHZ]; |
| 731 | n = mt7996_init_he_caps(phy, NL80211_BAND_2GHZ, data); |
| 732 | |
| 733 | band = &phy->mt76->sband_2g.sband; |
| 734 | band->iftype_data = data; |
| 735 | band->n_iftype_data = n; |
| 736 | } |
| 737 | |
| 738 | if (phy->mt76->cap.has_5ghz) { |
| 739 | data = phy->iftype[NL80211_BAND_5GHZ]; |
| 740 | n = mt7996_init_he_caps(phy, NL80211_BAND_5GHZ, data); |
| 741 | |
| 742 | band = &phy->mt76->sband_5g.sband; |
| 743 | band->iftype_data = data; |
| 744 | band->n_iftype_data = n; |
| 745 | } |
| 746 | |
| 747 | if (phy->mt76->cap.has_6ghz) { |
| 748 | data = phy->iftype[NL80211_BAND_6GHZ]; |
| 749 | n = mt7996_init_he_caps(phy, NL80211_BAND_6GHZ, data); |
| 750 | |
| 751 | band = &phy->mt76->sband_6g.sband; |
| 752 | band->iftype_data = data; |
| 753 | band->n_iftype_data = n; |
| 754 | } |
| 755 | } |
| 756 | |
| 757 | int mt7996_register_device(struct mt7996_dev *dev) |
| 758 | { |
| 759 | struct ieee80211_hw *hw = mt76_hw(dev); |
| 760 | int ret; |
| 761 | |
| 762 | dev->phy.dev = dev; |
| 763 | dev->phy.mt76 = &dev->mt76.phy; |
| 764 | dev->mt76.phy.priv = &dev->phy; |
| 765 | INIT_WORK(&dev->rc_work, mt7996_mac_sta_rc_work); |
| 766 | INIT_DELAYED_WORK(&dev->mphy.mac_work, mt7996_mac_work); |
| 767 | INIT_LIST_HEAD(&dev->sta_rc_list); |
| 768 | INIT_LIST_HEAD(&dev->sta_poll_list); |
| 769 | INIT_LIST_HEAD(&dev->twt_list); |
| 770 | spin_lock_init(&dev->sta_poll_lock); |
| 771 | |
| 772 | init_waitqueue_head(&dev->reset_wait); |
| 773 | INIT_WORK(&dev->reset_work, mt7996_mac_reset_work); |
| 774 | |
| 775 | ret = mt7996_init_hardware(dev); |
| 776 | if (ret) |
| 777 | return ret; |
| 778 | |
| 779 | mt7996_init_wiphy(hw); |
| 780 | |
| 781 | /* init led callbacks */ |
| 782 | if (IS_ENABLED(CONFIG_MT76_LEDS)) { |
| 783 | dev->mt76.led_cdev.brightness_set = mt7996_led_set_brightness; |
| 784 | dev->mt76.led_cdev.blink_set = mt7996_led_set_blink; |
| 785 | } |
| 786 | |
| 787 | ret = mt76_register_device(&dev->mt76, true, mt76_rates, |
| 788 | ARRAY_SIZE(mt76_rates)); |
| 789 | if (ret) |
| 790 | return ret; |
| 791 | |
| 792 | ieee80211_queue_work(mt76_hw(dev), &dev->init_work); |
| 793 | |
| 794 | ret = mt7996_register_phy(dev, mt7996_phy2(dev), MT_BAND1); |
| 795 | if (ret) |
| 796 | return ret; |
| 797 | |
| 798 | ret = mt7996_register_phy(dev, mt7996_phy3(dev), MT_BAND2); |
| 799 | if (ret) |
| 800 | return ret; |
| 801 | |
| 802 | return mt7996_init_debugfs(&dev->phy); |
| 803 | } |
| 804 | |
| 805 | void mt7996_unregister_device(struct mt7996_dev *dev) |
| 806 | { |
| 807 | mt7996_unregister_phy(mt7996_phy3(dev), MT_BAND2); |
| 808 | mt7996_unregister_phy(mt7996_phy2(dev), MT_BAND1); |
| 809 | mt76_unregister_device(&dev->mt76); |
| 810 | mt7996_mcu_exit(dev); |
| 811 | mt7996_tx_token_put(dev); |
| 812 | mt7996_dma_cleanup(dev); |
| 813 | tasklet_disable(&dev->irq_tasklet); |
| 814 | |
| 815 | mt76_free_device(&dev->mt76); |
| 816 | } |