1 // SPDX-License-Identifier: ISC 2 /* Copyright (C) 2020 MediaTek Inc. */ 3 4 #include <linux/firmware.h> 5 #include <linux/fs.h> 6 #include "mt7921.h" 7 #include "mcu.h" 8 #include "mac.h" 9 10 struct mt7921_patch_hdr { 11 char build_date[16]; 12 char platform[4]; 13 __be32 hw_sw_ver; 14 __be32 patch_ver; 15 __be16 checksum; 16 u16 reserved; 17 struct { 18 __be32 patch_ver; 19 __be32 subsys; 20 __be32 feature; 21 __be32 n_region; 22 __be32 crc; 23 u32 reserved[11]; 24 } desc; 25 } __packed; 26 27 struct mt7921_patch_sec { 28 __be32 type; 29 __be32 offs; 30 __be32 size; 31 union { 32 __be32 spec[13]; 33 struct { 34 __be32 addr; 35 __be32 len; 36 __be32 sec_key_idx; 37 __be32 align_len; 38 u32 reserved[9]; 39 } info; 40 }; 41 } __packed; 42 43 struct mt7921_fw_trailer { 44 u8 chip_id; 45 u8 eco_code; 46 u8 n_region; 47 u8 format_ver; 48 u8 format_flag; 49 u8 reserved[2]; 50 char fw_ver[10]; 51 char build_date[15]; 52 u32 crc; 53 } __packed; 54 55 struct mt7921_fw_region { 56 __le32 decomp_crc; 57 __le32 decomp_len; 58 __le32 decomp_blk_sz; 59 u8 reserved[4]; 60 __le32 addr; 61 __le32 len; 62 u8 feature_set; 63 u8 reserved1[15]; 64 } __packed; 65 66 #define MT_STA_BFER BIT(0) 67 #define MT_STA_BFEE BIT(1) 68 69 #define FW_FEATURE_SET_ENCRYPT BIT(0) 70 #define FW_FEATURE_SET_KEY_IDX GENMASK(2, 1) 71 #define FW_FEATURE_ENCRY_MODE BIT(4) 72 #define FW_FEATURE_OVERRIDE_ADDR BIT(5) 73 74 #define DL_MODE_ENCRYPT BIT(0) 75 #define DL_MODE_KEY_IDX GENMASK(2, 1) 76 #define DL_MODE_RESET_SEC_IV BIT(3) 77 #define DL_MODE_WORKING_PDA_CR4 BIT(4) 78 #define DL_CONFIG_ENCRY_MODE_SEL BIT(6) 79 #define DL_MODE_NEED_RSP BIT(31) 80 81 #define FW_START_OVERRIDE BIT(0) 82 #define FW_START_WORKING_PDA_CR4 BIT(2) 83 84 #define PATCH_SEC_TYPE_MASK GENMASK(15, 0) 85 #define PATCH_SEC_TYPE_INFO 0x2 86 87 #define to_wcid_lo(id) FIELD_GET(GENMASK(7, 0), (u16)id) 88 #define to_wcid_hi(id) FIELD_GET(GENMASK(9, 8), (u16)id) 89 90 static enum mt7921_cipher_type 91 mt7921_mcu_get_cipher(int cipher) 92 { 93 switch (cipher) { 94 case WLAN_CIPHER_SUITE_WEP40: 95 return MT_CIPHER_WEP40; 96 case WLAN_CIPHER_SUITE_WEP104: 97 return MT_CIPHER_WEP104; 98 case WLAN_CIPHER_SUITE_TKIP: 99 return MT_CIPHER_TKIP; 100 case WLAN_CIPHER_SUITE_AES_CMAC: 101 return MT_CIPHER_BIP_CMAC_128; 102 case WLAN_CIPHER_SUITE_CCMP: 103 return MT_CIPHER_AES_CCMP; 104 case WLAN_CIPHER_SUITE_CCMP_256: 105 return MT_CIPHER_CCMP_256; 106 case WLAN_CIPHER_SUITE_GCMP: 107 return MT_CIPHER_GCMP; 108 case WLAN_CIPHER_SUITE_GCMP_256: 109 return MT_CIPHER_GCMP_256; 110 case WLAN_CIPHER_SUITE_SMS4: 111 return MT_CIPHER_WAPI; 112 default: 113 return MT_CIPHER_NONE; 114 } 115 } 116 117 static u8 mt7921_mcu_chan_bw(struct cfg80211_chan_def *chandef) 118 { 119 static const u8 width_to_bw[] = { 120 [NL80211_CHAN_WIDTH_40] = CMD_CBW_40MHZ, 121 [NL80211_CHAN_WIDTH_80] = CMD_CBW_80MHZ, 122 [NL80211_CHAN_WIDTH_80P80] = CMD_CBW_8080MHZ, 123 [NL80211_CHAN_WIDTH_160] = CMD_CBW_160MHZ, 124 [NL80211_CHAN_WIDTH_5] = CMD_CBW_5MHZ, 125 [NL80211_CHAN_WIDTH_10] = CMD_CBW_10MHZ, 126 [NL80211_CHAN_WIDTH_20] = CMD_CBW_20MHZ, 127 [NL80211_CHAN_WIDTH_20_NOHT] = CMD_CBW_20MHZ, 128 }; 129 130 if (chandef->width >= ARRAY_SIZE(width_to_bw)) 131 return 0; 132 133 return width_to_bw[chandef->width]; 134 } 135 136 static int 137 mt7921_mcu_parse_eeprom(struct mt76_dev *dev, struct sk_buff *skb) 138 { 139 struct mt7921_mcu_eeprom_info *res; 140 u8 *buf; 141 142 if (!skb) 143 return -EINVAL; 144 145 skb_pull(skb, sizeof(struct mt7921_mcu_rxd)); 146 147 res = (struct mt7921_mcu_eeprom_info *)skb->data; 148 buf = dev->eeprom.data + le32_to_cpu(res->addr); 149 memcpy(buf, res->data, 16); 150 151 return 0; 152 } 153 154 static int 155 mt7921_mcu_parse_response(struct mt76_dev *mdev, int cmd, 156 struct sk_buff *skb, int seq) 157 { 158 struct mt7921_mcu_rxd *rxd; 159 int ret = 0; 160 161 if (!skb) { 162 dev_err(mdev->dev, "Message %d (seq %d) timeout\n", 163 cmd, seq); 164 return -ETIMEDOUT; 165 } 166 167 rxd = (struct mt7921_mcu_rxd *)skb->data; 168 if (seq != rxd->seq) 169 return -EAGAIN; 170 171 switch (cmd) { 172 case MCU_CMD_PATCH_SEM_CONTROL: 173 skb_pull(skb, sizeof(*rxd) - 4); 174 ret = *skb->data; 175 break; 176 case MCU_EXT_CMD_GET_TEMP: 177 skb_pull(skb, sizeof(*rxd) + 4); 178 ret = le32_to_cpu(*(__le32 *)skb->data); 179 break; 180 case MCU_EXT_CMD_EFUSE_ACCESS: 181 ret = mt7921_mcu_parse_eeprom(mdev, skb); 182 break; 183 case MCU_UNI_CMD_DEV_INFO_UPDATE: 184 case MCU_UNI_CMD_BSS_INFO_UPDATE: 185 case MCU_UNI_CMD_STA_REC_UPDATE: 186 case MCU_UNI_CMD_HIF_CTRL: 187 case MCU_UNI_CMD_OFFLOAD: 188 case MCU_UNI_CMD_SUSPEND: { 189 struct mt7921_mcu_uni_event *event; 190 191 skb_pull(skb, sizeof(*rxd)); 192 event = (struct mt7921_mcu_uni_event *)skb->data; 193 ret = le32_to_cpu(event->status); 194 break; 195 } 196 case MCU_CMD_REG_READ: { 197 struct mt7921_mcu_reg_event *event; 198 199 skb_pull(skb, sizeof(*rxd)); 200 event = (struct mt7921_mcu_reg_event *)skb->data; 201 ret = (int)le32_to_cpu(event->val); 202 break; 203 } 204 default: 205 skb_pull(skb, sizeof(struct mt7921_mcu_rxd)); 206 break; 207 } 208 209 return ret; 210 } 211 212 static int 213 mt7921_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb, 214 int cmd, int *wait_seq) 215 { 216 struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); 217 int txd_len, mcu_cmd = cmd & MCU_CMD_MASK; 218 enum mt76_mcuq_id txq = MT_MCUQ_WM; 219 struct mt7921_uni_txd *uni_txd; 220 struct mt7921_mcu_txd *mcu_txd; 221 __le32 *txd; 222 u32 val; 223 u8 seq; 224 225 /* TODO: make dynamic based on msg type */ 226 mdev->mcu.timeout = 20 * HZ; 227 228 seq = ++dev->mt76.mcu.msg_seq & 0xf; 229 if (!seq) 230 seq = ++dev->mt76.mcu.msg_seq & 0xf; 231 232 if (cmd == MCU_CMD_FW_SCATTER) { 233 txq = MT_MCUQ_FWDL; 234 goto exit; 235 } 236 237 txd_len = cmd & MCU_UNI_PREFIX ? sizeof(*uni_txd) : sizeof(*mcu_txd); 238 txd = (__le32 *)skb_push(skb, txd_len); 239 240 val = FIELD_PREP(MT_TXD0_TX_BYTES, skb->len) | 241 FIELD_PREP(MT_TXD0_PKT_FMT, MT_TX_TYPE_CMD) | 242 FIELD_PREP(MT_TXD0_Q_IDX, MT_TX_MCU_PORT_RX_Q0); 243 txd[0] = cpu_to_le32(val); 244 245 val = MT_TXD1_LONG_FORMAT | 246 FIELD_PREP(MT_TXD1_HDR_FORMAT, MT_HDR_FORMAT_CMD); 247 txd[1] = cpu_to_le32(val); 248 249 if (cmd & MCU_UNI_PREFIX) { 250 uni_txd = (struct mt7921_uni_txd *)txd; 251 uni_txd->len = cpu_to_le16(skb->len - sizeof(uni_txd->txd)); 252 uni_txd->option = MCU_CMD_UNI_EXT_ACK; 253 uni_txd->cid = cpu_to_le16(mcu_cmd); 254 uni_txd->s2d_index = MCU_S2D_H2N; 255 uni_txd->pkt_type = MCU_PKT_ID; 256 uni_txd->seq = seq; 257 258 goto exit; 259 } 260 261 mcu_txd = (struct mt7921_mcu_txd *)txd; 262 mcu_txd->len = cpu_to_le16(skb->len - sizeof(mcu_txd->txd)); 263 mcu_txd->pq_id = cpu_to_le16(MCU_PQ_ID(MT_TX_PORT_IDX_MCU, 264 MT_TX_MCU_PORT_RX_Q0)); 265 mcu_txd->pkt_type = MCU_PKT_ID; 266 mcu_txd->seq = seq; 267 268 switch (cmd & ~MCU_CMD_MASK) { 269 case MCU_FW_PREFIX: 270 mcu_txd->set_query = MCU_Q_NA; 271 mcu_txd->cid = mcu_cmd; 272 break; 273 case MCU_CE_PREFIX: 274 if (cmd & MCU_QUERY_MASK) 275 mcu_txd->set_query = MCU_Q_QUERY; 276 else 277 mcu_txd->set_query = MCU_Q_SET; 278 mcu_txd->cid = mcu_cmd; 279 break; 280 default: 281 mcu_txd->cid = MCU_CMD_EXT_CID; 282 if (cmd & MCU_QUERY_PREFIX || cmd == MCU_EXT_CMD_EFUSE_ACCESS) 283 mcu_txd->set_query = MCU_Q_QUERY; 284 else 285 mcu_txd->set_query = MCU_Q_SET; 286 mcu_txd->ext_cid = mcu_cmd; 287 mcu_txd->ext_cid_ack = 1; 288 break; 289 } 290 291 mcu_txd->s2d_index = MCU_S2D_H2N; 292 WARN_ON(cmd == MCU_EXT_CMD_EFUSE_ACCESS && 293 mcu_txd->set_query != MCU_Q_QUERY); 294 295 exit: 296 if (wait_seq) 297 *wait_seq = seq; 298 299 return mt76_tx_queue_skb_raw(dev, mdev->q_mcu[txq], skb, 0); 300 } 301 302 static void 303 mt7921_mcu_tx_rate_parse(struct mt76_phy *mphy, 304 struct mt7921_mcu_peer_cap *peer, 305 struct rate_info *rate, u16 r) 306 { 307 struct ieee80211_supported_band *sband; 308 u16 flags = 0; 309 u8 txmode = FIELD_GET(MT_WTBL_RATE_TX_MODE, r); 310 u8 gi = 0; 311 u8 bw = 0; 312 313 rate->mcs = FIELD_GET(MT_WTBL_RATE_MCS, r); 314 rate->nss = FIELD_GET(MT_WTBL_RATE_NSS, r) + 1; 315 316 switch (peer->bw) { 317 case IEEE80211_STA_RX_BW_160: 318 gi = peer->g16; 319 break; 320 case IEEE80211_STA_RX_BW_80: 321 gi = peer->g8; 322 break; 323 case IEEE80211_STA_RX_BW_40: 324 gi = peer->g4; 325 break; 326 default: 327 gi = peer->g2; 328 break; 329 } 330 331 gi = txmode >= MT_PHY_TYPE_HE_SU ? 332 FIELD_GET(MT_WTBL_RATE_HE_GI, gi) : 333 FIELD_GET(MT_WTBL_RATE_GI, gi); 334 335 switch (txmode) { 336 case MT_PHY_TYPE_CCK: 337 case MT_PHY_TYPE_OFDM: 338 if (mphy->chandef.chan->band == NL80211_BAND_5GHZ) 339 sband = &mphy->sband_5g.sband; 340 else 341 sband = &mphy->sband_2g.sband; 342 343 rate->legacy = sband->bitrates[rate->mcs].bitrate; 344 break; 345 case MT_PHY_TYPE_HT: 346 case MT_PHY_TYPE_HT_GF: 347 flags |= RATE_INFO_FLAGS_MCS; 348 349 if (gi) 350 flags |= RATE_INFO_FLAGS_SHORT_GI; 351 break; 352 case MT_PHY_TYPE_VHT: 353 flags |= RATE_INFO_FLAGS_VHT_MCS; 354 355 if (gi) 356 flags |= RATE_INFO_FLAGS_SHORT_GI; 357 break; 358 case MT_PHY_TYPE_HE_SU: 359 case MT_PHY_TYPE_HE_EXT_SU: 360 case MT_PHY_TYPE_HE_TB: 361 case MT_PHY_TYPE_HE_MU: 362 rate->he_gi = gi; 363 rate->he_dcm = FIELD_GET(MT_RA_RATE_DCM_EN, r); 364 365 flags |= RATE_INFO_FLAGS_HE_MCS; 366 break; 367 default: 368 break; 369 } 370 rate->flags = flags; 371 372 bw = mt7921_mcu_chan_bw(&mphy->chandef) - FIELD_GET(MT_RA_RATE_BW, r); 373 374 switch (bw) { 375 case IEEE80211_STA_RX_BW_160: 376 rate->bw = RATE_INFO_BW_160; 377 break; 378 case IEEE80211_STA_RX_BW_80: 379 rate->bw = RATE_INFO_BW_80; 380 break; 381 case IEEE80211_STA_RX_BW_40: 382 rate->bw = RATE_INFO_BW_40; 383 break; 384 default: 385 rate->bw = RATE_INFO_BW_20; 386 break; 387 } 388 } 389 390 static void 391 mt7921_mcu_tx_rate_report(struct mt7921_dev *dev, struct sk_buff *skb, 392 u16 wlan_idx) 393 { 394 struct mt7921_mcu_wlan_info_event *wtbl_info = 395 (struct mt7921_mcu_wlan_info_event *)(skb->data); 396 struct rate_info rate = {}; 397 u8 curr_idx = wtbl_info->rate_info.rate_idx; 398 u16 curr = le16_to_cpu(wtbl_info->rate_info.rate[curr_idx]); 399 struct mt7921_mcu_peer_cap peer = wtbl_info->peer_cap; 400 struct mt76_phy *mphy = &dev->mphy; 401 struct mt7921_sta_stats *stats; 402 struct mt7921_sta *msta; 403 struct mt76_wcid *wcid; 404 405 if (wlan_idx >= MT76_N_WCIDS) 406 return; 407 wcid = rcu_dereference(dev->mt76.wcid[wlan_idx]); 408 if (!wcid) { 409 stats->tx_rate = rate; 410 return; 411 } 412 413 msta = container_of(wcid, struct mt7921_sta, wcid); 414 stats = &msta->stats; 415 416 /* current rate */ 417 mt7921_mcu_tx_rate_parse(mphy, &peer, &rate, curr); 418 stats->tx_rate = rate; 419 } 420 421 static void 422 mt7921_mcu_scan_event(struct mt7921_dev *dev, struct sk_buff *skb) 423 { 424 struct mt76_phy *mphy = &dev->mt76.phy; 425 struct mt7921_phy *phy = (struct mt7921_phy *)mphy->priv; 426 427 spin_lock_bh(&dev->mt76.lock); 428 __skb_queue_tail(&phy->scan_event_list, skb); 429 spin_unlock_bh(&dev->mt76.lock); 430 431 ieee80211_queue_delayed_work(mphy->hw, &phy->scan_work, 432 MT7921_HW_SCAN_TIMEOUT); 433 } 434 435 static void 436 mt7921_mcu_beacon_loss_event(struct mt7921_dev *dev, struct sk_buff *skb) 437 { 438 struct mt76_connac_beacon_loss_event *event; 439 struct mt76_phy *mphy; 440 u8 band_idx = 0; /* DBDC support */ 441 442 skb_pull(skb, sizeof(struct mt7921_mcu_rxd)); 443 event = (struct mt76_connac_beacon_loss_event *)skb->data; 444 if (band_idx && dev->mt76.phy2) 445 mphy = dev->mt76.phy2; 446 else 447 mphy = &dev->mt76.phy; 448 449 ieee80211_iterate_active_interfaces_atomic(mphy->hw, 450 IEEE80211_IFACE_ITER_RESUME_ALL, 451 mt76_connac_mcu_beacon_loss_iter, event); 452 } 453 454 static void 455 mt7921_mcu_bss_event(struct mt7921_dev *dev, struct sk_buff *skb) 456 { 457 struct mt76_phy *mphy = &dev->mt76.phy; 458 struct mt76_connac_mcu_bss_event *event; 459 460 skb_pull(skb, sizeof(struct mt7921_mcu_rxd)); 461 event = (struct mt76_connac_mcu_bss_event *)skb->data; 462 if (event->is_absent) 463 ieee80211_stop_queues(mphy->hw); 464 else 465 ieee80211_wake_queues(mphy->hw); 466 } 467 468 static void 469 mt7921_mcu_debug_msg_event(struct mt7921_dev *dev, struct sk_buff *skb) 470 { 471 struct mt7921_mcu_rxd *rxd = (struct mt7921_mcu_rxd *)skb->data; 472 struct debug_msg { 473 __le16 id; 474 u8 type; 475 u8 flag; 476 __le32 value; 477 __le16 len; 478 u8 content[512]; 479 } __packed * debug_msg; 480 u16 cur_len; 481 int i; 482 483 skb_pull(skb, sizeof(*rxd)); 484 debug_msg = (struct debug_msg *)skb->data; 485 486 cur_len = min_t(u16, le16_to_cpu(debug_msg->len), 512); 487 488 if (debug_msg->type == 0x3) { 489 for (i = 0 ; i < cur_len; i++) 490 if (!debug_msg->content[i]) 491 debug_msg->content[i] = ' '; 492 493 dev_dbg(dev->mt76.dev, "%s", debug_msg->content); 494 } 495 } 496 497 static void 498 mt7921_mcu_rx_unsolicited_event(struct mt7921_dev *dev, struct sk_buff *skb) 499 { 500 struct mt7921_mcu_rxd *rxd = (struct mt7921_mcu_rxd *)skb->data; 501 502 switch (rxd->eid) { 503 case MCU_EVENT_BSS_BEACON_LOSS: 504 mt7921_mcu_beacon_loss_event(dev, skb); 505 break; 506 case MCU_EVENT_SCHED_SCAN_DONE: 507 case MCU_EVENT_SCAN_DONE: 508 mt7921_mcu_scan_event(dev, skb); 509 return; 510 case MCU_EVENT_BSS_ABSENCE: 511 mt7921_mcu_bss_event(dev, skb); 512 break; 513 case MCU_EVENT_DBG_MSG: 514 mt7921_mcu_debug_msg_event(dev, skb); 515 break; 516 default: 517 break; 518 } 519 dev_kfree_skb(skb); 520 } 521 522 void mt7921_mcu_rx_event(struct mt7921_dev *dev, struct sk_buff *skb) 523 { 524 struct mt7921_mcu_rxd *rxd = (struct mt7921_mcu_rxd *)skb->data; 525 526 if (rxd->eid == 0x6) { 527 mt76_mcu_rx_event(&dev->mt76, skb); 528 return; 529 } 530 531 if (rxd->ext_eid == MCU_EXT_EVENT_RATE_REPORT || 532 rxd->eid == MCU_EVENT_BSS_BEACON_LOSS || 533 rxd->eid == MCU_EVENT_SCHED_SCAN_DONE || 534 rxd->eid == MCU_EVENT_BSS_ABSENCE || 535 rxd->eid == MCU_EVENT_SCAN_DONE || 536 rxd->eid == MCU_EVENT_DBG_MSG || 537 !rxd->seq) 538 mt7921_mcu_rx_unsolicited_event(dev, skb); 539 else 540 mt76_mcu_rx_event(&dev->mt76, skb); 541 } 542 543 /** starec & wtbl **/ 544 static int 545 mt7921_mcu_sta_key_tlv(struct mt7921_sta *msta, struct sk_buff *skb, 546 struct ieee80211_key_conf *key, enum set_key_cmd cmd) 547 { 548 struct mt7921_sta_key_conf *bip = &msta->bip; 549 struct sta_rec_sec *sec; 550 struct tlv *tlv; 551 u32 len = sizeof(*sec); 552 553 tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_KEY_V2, sizeof(*sec)); 554 555 sec = (struct sta_rec_sec *)tlv; 556 sec->add = cmd; 557 558 if (cmd == SET_KEY) { 559 struct sec_key *sec_key; 560 u8 cipher; 561 562 cipher = mt7921_mcu_get_cipher(key->cipher); 563 if (cipher == MT_CIPHER_NONE) 564 return -EOPNOTSUPP; 565 566 sec_key = &sec->key[0]; 567 sec_key->cipher_len = sizeof(*sec_key); 568 569 if (cipher == MT_CIPHER_BIP_CMAC_128) { 570 sec_key->cipher_id = MT_CIPHER_AES_CCMP; 571 sec_key->key_id = bip->keyidx; 572 sec_key->key_len = 16; 573 memcpy(sec_key->key, bip->key, 16); 574 575 sec_key = &sec->key[1]; 576 sec_key->cipher_id = MT_CIPHER_BIP_CMAC_128; 577 sec_key->cipher_len = sizeof(*sec_key); 578 sec_key->key_len = 16; 579 memcpy(sec_key->key, key->key, 16); 580 581 sec->n_cipher = 2; 582 } else { 583 sec_key->cipher_id = cipher; 584 sec_key->key_id = key->keyidx; 585 sec_key->key_len = key->keylen; 586 memcpy(sec_key->key, key->key, key->keylen); 587 588 if (cipher == MT_CIPHER_TKIP) { 589 /* Rx/Tx MIC keys are swapped */ 590 memcpy(sec_key->key + 16, key->key + 24, 8); 591 memcpy(sec_key->key + 24, key->key + 16, 8); 592 } 593 594 /* store key_conf for BIP batch update */ 595 if (cipher == MT_CIPHER_AES_CCMP) { 596 memcpy(bip->key, key->key, key->keylen); 597 bip->keyidx = key->keyidx; 598 } 599 600 len -= sizeof(*sec_key); 601 sec->n_cipher = 1; 602 } 603 } else { 604 len -= sizeof(sec->key); 605 sec->n_cipher = 0; 606 } 607 sec->len = cpu_to_le16(len); 608 609 return 0; 610 } 611 612 int mt7921_mcu_add_key(struct mt7921_dev *dev, struct ieee80211_vif *vif, 613 struct mt7921_sta *msta, struct ieee80211_key_conf *key, 614 enum set_key_cmd cmd) 615 { 616 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 617 struct sk_buff *skb; 618 int ret; 619 620 skb = mt76_connac_mcu_alloc_sta_req(&dev->mt76, &mvif->mt76, 621 &msta->wcid); 622 if (IS_ERR(skb)) 623 return PTR_ERR(skb); 624 625 ret = mt7921_mcu_sta_key_tlv(msta, skb, key, cmd); 626 if (ret) 627 return ret; 628 629 return mt76_mcu_skb_send_msg(&dev->mt76, skb, 630 MCU_UNI_CMD_STA_REC_UPDATE, true); 631 } 632 633 int mt7921_mcu_uni_tx_ba(struct mt7921_dev *dev, 634 struct ieee80211_ampdu_params *params, 635 bool enable) 636 { 637 struct mt7921_sta *msta = (struct mt7921_sta *)params->sta->drv_priv; 638 639 if (enable && !params->amsdu) 640 msta->wcid.amsdu = false; 641 642 return mt76_connac_mcu_sta_ba(&dev->mt76, &msta->vif->mt76, params, 643 enable, true); 644 } 645 646 int mt7921_mcu_uni_rx_ba(struct mt7921_dev *dev, 647 struct ieee80211_ampdu_params *params, 648 bool enable) 649 { 650 struct mt7921_sta *msta = (struct mt7921_sta *)params->sta->drv_priv; 651 652 return mt76_connac_mcu_sta_ba(&dev->mt76, &msta->vif->mt76, params, 653 enable, false); 654 } 655 656 static int mt7921_mcu_restart(struct mt76_dev *dev) 657 { 658 struct { 659 u8 power_mode; 660 u8 rsv[3]; 661 } req = { 662 .power_mode = 1, 663 }; 664 665 return mt76_mcu_send_msg(dev, MCU_CMD_NIC_POWER_CTRL, &req, 666 sizeof(req), false); 667 } 668 669 static int mt7921_driver_own(struct mt7921_dev *dev) 670 { 671 u32 reg = mt7921_reg_map_l1(dev, MT_TOP_LPCR_HOST_BAND0); 672 673 mt76_wr(dev, reg, MT_TOP_LPCR_HOST_DRV_OWN); 674 if (!mt76_poll_msec(dev, reg, MT_TOP_LPCR_HOST_FW_OWN, 675 0, 500)) { 676 dev_err(dev->mt76.dev, "Timeout for driver own\n"); 677 return -EIO; 678 } 679 680 return 0; 681 } 682 683 static int mt7921_load_patch(struct mt7921_dev *dev) 684 { 685 const struct mt7921_patch_hdr *hdr; 686 const struct firmware *fw = NULL; 687 int i, ret, sem; 688 689 sem = mt76_connac_mcu_patch_sem_ctrl(&dev->mt76, true); 690 switch (sem) { 691 case PATCH_IS_DL: 692 return 0; 693 case PATCH_NOT_DL_SEM_SUCCESS: 694 break; 695 default: 696 dev_err(dev->mt76.dev, "Failed to get patch semaphore\n"); 697 return -EAGAIN; 698 } 699 700 ret = request_firmware(&fw, MT7921_ROM_PATCH, dev->mt76.dev); 701 if (ret) 702 goto out; 703 704 if (!fw || !fw->data || fw->size < sizeof(*hdr)) { 705 dev_err(dev->mt76.dev, "Invalid firmware\n"); 706 ret = -EINVAL; 707 goto out; 708 } 709 710 hdr = (const struct mt7921_patch_hdr *)(fw->data); 711 712 dev_info(dev->mt76.dev, "HW/SW Version: 0x%x, Build Time: %.16s\n", 713 be32_to_cpu(hdr->hw_sw_ver), hdr->build_date); 714 715 for (i = 0; i < be32_to_cpu(hdr->desc.n_region); i++) { 716 struct mt7921_patch_sec *sec; 717 const u8 *dl; 718 u32 len, addr; 719 720 sec = (struct mt7921_patch_sec *)(fw->data + sizeof(*hdr) + 721 i * sizeof(*sec)); 722 if ((be32_to_cpu(sec->type) & PATCH_SEC_TYPE_MASK) != 723 PATCH_SEC_TYPE_INFO) { 724 ret = -EINVAL; 725 goto out; 726 } 727 728 addr = be32_to_cpu(sec->info.addr); 729 len = be32_to_cpu(sec->info.len); 730 dl = fw->data + be32_to_cpu(sec->offs); 731 732 ret = mt76_connac_mcu_init_download(&dev->mt76, addr, len, 733 DL_MODE_NEED_RSP); 734 if (ret) { 735 dev_err(dev->mt76.dev, "Download request failed\n"); 736 goto out; 737 } 738 739 ret = mt76_mcu_send_firmware(&dev->mt76, MCU_CMD_FW_SCATTER, 740 dl, len); 741 if (ret) { 742 dev_err(dev->mt76.dev, "Failed to send patch\n"); 743 goto out; 744 } 745 } 746 747 ret = mt76_connac_mcu_start_patch(&dev->mt76); 748 if (ret) 749 dev_err(dev->mt76.dev, "Failed to start patch\n"); 750 751 out: 752 sem = mt76_connac_mcu_patch_sem_ctrl(&dev->mt76, false); 753 switch (sem) { 754 case PATCH_REL_SEM_SUCCESS: 755 break; 756 default: 757 ret = -EAGAIN; 758 dev_err(dev->mt76.dev, "Failed to release patch semaphore\n"); 759 goto out; 760 } 761 release_firmware(fw); 762 763 return ret; 764 } 765 766 static u32 mt7921_mcu_gen_dl_mode(u8 feature_set, bool is_wa) 767 { 768 u32 ret = 0; 769 770 ret |= (feature_set & FW_FEATURE_SET_ENCRYPT) ? 771 (DL_MODE_ENCRYPT | DL_MODE_RESET_SEC_IV) : 0; 772 ret |= (feature_set & FW_FEATURE_ENCRY_MODE) ? 773 DL_CONFIG_ENCRY_MODE_SEL : 0; 774 ret |= FIELD_PREP(DL_MODE_KEY_IDX, 775 FIELD_GET(FW_FEATURE_SET_KEY_IDX, feature_set)); 776 ret |= DL_MODE_NEED_RSP; 777 ret |= is_wa ? DL_MODE_WORKING_PDA_CR4 : 0; 778 779 return ret; 780 } 781 782 static int 783 mt7921_mcu_send_ram_firmware(struct mt7921_dev *dev, 784 const struct mt7921_fw_trailer *hdr, 785 const u8 *data, bool is_wa) 786 { 787 int i, offset = 0; 788 u32 override = 0, option = 0; 789 790 for (i = 0; i < hdr->n_region; i++) { 791 const struct mt7921_fw_region *region; 792 int err; 793 u32 len, addr, mode; 794 795 region = (const struct mt7921_fw_region *)((const u8 *)hdr - 796 (hdr->n_region - i) * sizeof(*region)); 797 mode = mt7921_mcu_gen_dl_mode(region->feature_set, is_wa); 798 len = le32_to_cpu(region->len); 799 addr = le32_to_cpu(region->addr); 800 801 if (region->feature_set & FW_FEATURE_OVERRIDE_ADDR) 802 override = addr; 803 804 err = mt76_connac_mcu_init_download(&dev->mt76, addr, len, 805 mode); 806 if (err) { 807 dev_err(dev->mt76.dev, "Download request failed\n"); 808 return err; 809 } 810 811 err = mt76_mcu_send_firmware(&dev->mt76, MCU_CMD_FW_SCATTER, 812 data + offset, len); 813 if (err) { 814 dev_err(dev->mt76.dev, "Failed to send firmware.\n"); 815 return err; 816 } 817 818 offset += len; 819 } 820 821 if (override) 822 option |= FW_START_OVERRIDE; 823 824 if (is_wa) 825 option |= FW_START_WORKING_PDA_CR4; 826 827 return mt76_connac_mcu_start_firmware(&dev->mt76, override, option); 828 } 829 830 static int mt7921_load_ram(struct mt7921_dev *dev) 831 { 832 const struct mt7921_fw_trailer *hdr; 833 const struct firmware *fw; 834 int ret; 835 836 ret = request_firmware(&fw, MT7921_FIRMWARE_WM, dev->mt76.dev); 837 if (ret) 838 return ret; 839 840 if (!fw || !fw->data || fw->size < sizeof(*hdr)) { 841 dev_err(dev->mt76.dev, "Invalid firmware\n"); 842 ret = -EINVAL; 843 goto out; 844 } 845 846 hdr = (const struct mt7921_fw_trailer *)(fw->data + fw->size - 847 sizeof(*hdr)); 848 849 dev_info(dev->mt76.dev, "WM Firmware Version: %.10s, Build Time: %.15s\n", 850 hdr->fw_ver, hdr->build_date); 851 852 ret = mt7921_mcu_send_ram_firmware(dev, hdr, fw->data, false); 853 if (ret) { 854 dev_err(dev->mt76.dev, "Failed to start WM firmware\n"); 855 goto out; 856 } 857 858 snprintf(dev->mt76.hw->wiphy->fw_version, 859 sizeof(dev->mt76.hw->wiphy->fw_version), 860 "%.10s-%.15s", hdr->fw_ver, hdr->build_date); 861 862 out: 863 release_firmware(fw); 864 865 return ret; 866 } 867 868 static int mt7921_load_firmware(struct mt7921_dev *dev) 869 { 870 int ret; 871 872 ret = mt76_get_field(dev, MT_CONN_ON_MISC, MT_TOP_MISC2_FW_N9_RDY); 873 if (ret) { 874 dev_dbg(dev->mt76.dev, "Firmware is already download\n"); 875 return -EIO; 876 } 877 878 ret = mt7921_load_patch(dev); 879 if (ret) 880 return ret; 881 882 ret = mt7921_load_ram(dev); 883 if (ret) 884 return ret; 885 886 if (!mt76_poll_msec(dev, MT_CONN_ON_MISC, MT_TOP_MISC2_FW_N9_RDY, 887 MT_TOP_MISC2_FW_N9_RDY, 1500)) { 888 dev_err(dev->mt76.dev, "Timeout for initializing firmware\n"); 889 890 return -EIO; 891 } 892 893 mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_FWDL], false); 894 895 #ifdef CONFIG_PM 896 dev->mt76.hw->wiphy->wowlan = &mt76_connac_wowlan_support; 897 #endif /* CONFIG_PM */ 898 899 clear_bit(MT76_STATE_PM, &dev->mphy.state); 900 901 dev_err(dev->mt76.dev, "Firmware init done\n"); 902 903 return 0; 904 } 905 906 int mt7921_mcu_fw_log_2_host(struct mt7921_dev *dev, u8 ctrl) 907 { 908 struct { 909 u8 ctrl_val; 910 u8 pad[3]; 911 } data = { 912 .ctrl_val = ctrl 913 }; 914 915 return mt76_mcu_send_msg(&dev->mt76, MCU_CMD_FWLOG_2_HOST, &data, 916 sizeof(data), false); 917 } 918 919 int mt7921_mcu_init(struct mt7921_dev *dev) 920 { 921 static const struct mt76_mcu_ops mt7921_mcu_ops = { 922 .headroom = sizeof(struct mt7921_mcu_txd), 923 .mcu_skb_send_msg = mt7921_mcu_send_message, 924 .mcu_parse_response = mt7921_mcu_parse_response, 925 .mcu_restart = mt7921_mcu_restart, 926 }; 927 int ret; 928 929 dev->mt76.mcu_ops = &mt7921_mcu_ops; 930 931 ret = mt7921_driver_own(dev); 932 if (ret) 933 return ret; 934 935 ret = mt7921_load_firmware(dev); 936 if (ret) 937 return ret; 938 939 set_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state); 940 mt7921_mcu_fw_log_2_host(dev, 1); 941 942 return 0; 943 } 944 945 void mt7921_mcu_exit(struct mt7921_dev *dev) 946 { 947 u32 reg = mt7921_reg_map_l1(dev, MT_TOP_MISC); 948 949 __mt76_mcu_restart(&dev->mt76); 950 if (!mt76_poll_msec(dev, reg, MT_TOP_MISC_FW_STATE, 951 FIELD_PREP(MT_TOP_MISC_FW_STATE, 952 FW_STATE_FW_DOWNLOAD), 1000)) { 953 dev_err(dev->mt76.dev, "Failed to exit mcu\n"); 954 return; 955 } 956 957 reg = mt7921_reg_map_l1(dev, MT_TOP_LPCR_HOST_BAND0); 958 mt76_wr(dev, reg, MT_TOP_LPCR_HOST_FW_OWN); 959 skb_queue_purge(&dev->mt76.mcu.res_q); 960 } 961 962 int mt7921_mcu_set_tx(struct mt7921_dev *dev, struct ieee80211_vif *vif) 963 { 964 #define WMM_AIFS_SET BIT(0) 965 #define WMM_CW_MIN_SET BIT(1) 966 #define WMM_CW_MAX_SET BIT(2) 967 #define WMM_TXOP_SET BIT(3) 968 #define WMM_PARAM_SET GENMASK(3, 0) 969 #define TX_CMD_MODE 1 970 struct edca { 971 u8 queue; 972 u8 set; 973 u8 aifs; 974 u8 cw_min; 975 __le16 cw_max; 976 __le16 txop; 977 }; 978 struct mt7921_mcu_tx { 979 u8 total; 980 u8 action; 981 u8 valid; 982 u8 mode; 983 984 struct edca edca[IEEE80211_NUM_ACS]; 985 } __packed req = { 986 .valid = true, 987 .mode = TX_CMD_MODE, 988 .total = IEEE80211_NUM_ACS, 989 }; 990 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 991 int ac; 992 993 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { 994 struct ieee80211_tx_queue_params *q = &mvif->queue_params[ac]; 995 struct edca *e = &req.edca[ac]; 996 997 e->set = WMM_PARAM_SET; 998 e->queue = ac + mvif->mt76.wmm_idx * MT7921_MAX_WMM_SETS; 999 e->aifs = q->aifs; 1000 e->txop = cpu_to_le16(q->txop); 1001 1002 if (q->cw_min) 1003 e->cw_min = fls(q->cw_min); 1004 else 1005 e->cw_min = 5; 1006 1007 if (q->cw_max) 1008 e->cw_max = cpu_to_le16(fls(q->cw_max)); 1009 else 1010 e->cw_max = cpu_to_le16(10); 1011 } 1012 return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_EDCA_UPDATE, &req, 1013 sizeof(req), true); 1014 } 1015 1016 int mt7921_mcu_set_chan_info(struct mt7921_phy *phy, int cmd) 1017 { 1018 struct mt7921_dev *dev = phy->dev; 1019 struct cfg80211_chan_def *chandef = &phy->mt76->chandef; 1020 int freq1 = chandef->center_freq1; 1021 struct { 1022 u8 control_ch; 1023 u8 center_ch; 1024 u8 bw; 1025 u8 tx_streams_num; 1026 u8 rx_streams; /* mask or num */ 1027 u8 switch_reason; 1028 u8 band_idx; 1029 u8 center_ch2; /* for 80+80 only */ 1030 __le16 cac_case; 1031 u8 channel_band; 1032 u8 rsv0; 1033 __le32 outband_freq; 1034 u8 txpower_drop; 1035 u8 ap_bw; 1036 u8 ap_center_ch; 1037 u8 rsv1[57]; 1038 } __packed req = { 1039 .control_ch = chandef->chan->hw_value, 1040 .center_ch = ieee80211_frequency_to_channel(freq1), 1041 .bw = mt7921_mcu_chan_bw(chandef), 1042 .tx_streams_num = hweight8(phy->mt76->antenna_mask), 1043 .rx_streams = phy->mt76->antenna_mask, 1044 .band_idx = phy != &dev->phy, 1045 .channel_band = chandef->chan->band, 1046 }; 1047 1048 if (dev->mt76.hw->conf.flags & IEEE80211_CONF_OFFCHANNEL) 1049 req.switch_reason = CH_SWITCH_SCAN_BYPASS_DPD; 1050 else if ((chandef->chan->flags & IEEE80211_CHAN_RADAR) && 1051 chandef->chan->dfs_state != NL80211_DFS_AVAILABLE) 1052 req.switch_reason = CH_SWITCH_DFS; 1053 else 1054 req.switch_reason = CH_SWITCH_NORMAL; 1055 1056 if (cmd == MCU_EXT_CMD_CHANNEL_SWITCH) 1057 req.rx_streams = hweight8(req.rx_streams); 1058 1059 if (chandef->width == NL80211_CHAN_WIDTH_80P80) { 1060 int freq2 = chandef->center_freq2; 1061 1062 req.center_ch2 = ieee80211_frequency_to_channel(freq2); 1063 } 1064 1065 return mt76_mcu_send_msg(&dev->mt76, cmd, &req, sizeof(req), true); 1066 } 1067 1068 int mt7921_mcu_set_eeprom(struct mt7921_dev *dev) 1069 { 1070 struct req_hdr { 1071 u8 buffer_mode; 1072 u8 format; 1073 __le16 len; 1074 } __packed req = { 1075 .buffer_mode = EE_MODE_EFUSE, 1076 .format = EE_FORMAT_WHOLE, 1077 }; 1078 1079 return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_EFUSE_BUFFER_MODE, 1080 &req, sizeof(req), true); 1081 } 1082 1083 int mt7921_mcu_get_eeprom(struct mt7921_dev *dev, u32 offset) 1084 { 1085 struct mt7921_mcu_eeprom_info req = { 1086 .addr = cpu_to_le32(round_down(offset, 16)), 1087 }; 1088 struct mt7921_mcu_eeprom_info *res; 1089 struct sk_buff *skb; 1090 int ret; 1091 u8 *buf; 1092 1093 ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_EXT_CMD_EFUSE_ACCESS, &req, 1094 sizeof(req), true, &skb); 1095 if (ret) 1096 return ret; 1097 1098 res = (struct mt7921_mcu_eeprom_info *)skb->data; 1099 buf = dev->mt76.eeprom.data + le32_to_cpu(res->addr); 1100 memcpy(buf, res->data, 16); 1101 dev_kfree_skb(skb); 1102 1103 return 0; 1104 } 1105 1106 u32 mt7921_get_wtbl_info(struct mt7921_dev *dev, u32 wlan_idx) 1107 { 1108 struct mt7921_mcu_wlan_info wtbl_info = { 1109 .wlan_idx = cpu_to_le32(wlan_idx), 1110 }; 1111 struct sk_buff *skb; 1112 int ret; 1113 1114 ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_CMD_GET_WTBL, 1115 &wtbl_info, sizeof(wtbl_info), true, 1116 &skb); 1117 if (ret) 1118 return ret; 1119 1120 mt7921_mcu_tx_rate_report(dev, skb, wlan_idx); 1121 dev_kfree_skb(skb); 1122 1123 return 0; 1124 } 1125 1126 int mt7921_mcu_uni_bss_ps(struct mt7921_dev *dev, struct ieee80211_vif *vif) 1127 { 1128 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1129 struct { 1130 struct { 1131 u8 bss_idx; 1132 u8 pad[3]; 1133 } __packed hdr; 1134 struct ps_tlv { 1135 __le16 tag; 1136 __le16 len; 1137 u8 ps_state; /* 0: device awake 1138 * 1: static power save 1139 * 2: dynamic power saving 1140 * 3: enter TWT power saving 1141 * 4: leave TWT power saving 1142 */ 1143 u8 pad[3]; 1144 } __packed ps; 1145 } __packed ps_req = { 1146 .hdr = { 1147 .bss_idx = mvif->mt76.idx, 1148 }, 1149 .ps = { 1150 .tag = cpu_to_le16(UNI_BSS_INFO_PS), 1151 .len = cpu_to_le16(sizeof(struct ps_tlv)), 1152 .ps_state = vif->bss_conf.ps ? 2 : 0, 1153 }, 1154 }; 1155 1156 if (vif->type != NL80211_IFTYPE_STATION) 1157 return -EOPNOTSUPP; 1158 1159 return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD_BSS_INFO_UPDATE, 1160 &ps_req, sizeof(ps_req), true); 1161 } 1162 1163 int mt7921_mcu_uni_bss_bcnft(struct mt7921_dev *dev, struct ieee80211_vif *vif, 1164 bool enable) 1165 { 1166 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1167 struct { 1168 struct { 1169 u8 bss_idx; 1170 u8 pad[3]; 1171 } __packed hdr; 1172 struct bcnft_tlv { 1173 __le16 tag; 1174 __le16 len; 1175 __le16 bcn_interval; 1176 u8 dtim_period; 1177 u8 pad; 1178 } __packed bcnft; 1179 } __packed bcnft_req = { 1180 .hdr = { 1181 .bss_idx = mvif->mt76.idx, 1182 }, 1183 .bcnft = { 1184 .tag = cpu_to_le16(UNI_BSS_INFO_BCNFT), 1185 .len = cpu_to_le16(sizeof(struct bcnft_tlv)), 1186 .bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int), 1187 .dtim_period = vif->bss_conf.dtim_period, 1188 }, 1189 }; 1190 1191 if (vif->type != NL80211_IFTYPE_STATION) 1192 return 0; 1193 1194 return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD_BSS_INFO_UPDATE, 1195 &bcnft_req, sizeof(bcnft_req), true); 1196 } 1197 1198 int mt7921_mcu_set_bss_pm(struct mt7921_dev *dev, struct ieee80211_vif *vif, 1199 bool enable) 1200 { 1201 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1202 struct { 1203 u8 bss_idx; 1204 u8 dtim_period; 1205 __le16 aid; 1206 __le16 bcn_interval; 1207 __le16 atim_window; 1208 u8 uapsd; 1209 u8 bmc_delivered_ac; 1210 u8 bmc_triggered_ac; 1211 u8 pad; 1212 } req = { 1213 .bss_idx = mvif->mt76.idx, 1214 .aid = cpu_to_le16(vif->bss_conf.aid), 1215 .dtim_period = vif->bss_conf.dtim_period, 1216 .bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int), 1217 }; 1218 struct { 1219 u8 bss_idx; 1220 u8 pad[3]; 1221 } req_hdr = { 1222 .bss_idx = mvif->mt76.idx, 1223 }; 1224 int err; 1225 1226 if (vif->type != NL80211_IFTYPE_STATION) 1227 return 0; 1228 1229 err = mt76_mcu_send_msg(&dev->mt76, MCU_CMD_SET_BSS_ABORT, &req_hdr, 1230 sizeof(req_hdr), false); 1231 if (err < 0 || !enable) 1232 return err; 1233 1234 return mt76_mcu_send_msg(&dev->mt76, MCU_CMD_SET_BSS_CONNECTED, &req, 1235 sizeof(req), false); 1236 } 1237 1238 int mt7921_mcu_drv_pmctrl(struct mt7921_dev *dev) 1239 { 1240 struct mt76_phy *mphy = &dev->mt76.phy; 1241 int i; 1242 1243 if (!test_and_clear_bit(MT76_STATE_PM, &mphy->state)) 1244 goto out; 1245 1246 for (i = 0; i < MT7921_DRV_OWN_RETRY_COUNT; i++) { 1247 mt76_wr(dev, MT_CONN_ON_LPCTL, PCIE_LPCR_HOST_CLR_OWN); 1248 if (mt76_poll_msec(dev, MT_CONN_ON_LPCTL, 1249 PCIE_LPCR_HOST_OWN_SYNC, 0, 50)) 1250 break; 1251 } 1252 1253 if (i == MT7921_DRV_OWN_RETRY_COUNT) { 1254 dev_err(dev->mt76.dev, "driver own failed\n"); 1255 return -EIO; 1256 } 1257 1258 out: 1259 dev->pm.last_activity = jiffies; 1260 1261 return 0; 1262 } 1263 1264 int mt7921_mcu_fw_pmctrl(struct mt7921_dev *dev) 1265 { 1266 struct mt76_phy *mphy = &dev->mt76.phy; 1267 int i; 1268 1269 if (test_and_set_bit(MT76_STATE_PM, &mphy->state)) 1270 return 0; 1271 1272 for (i = 0; i < MT7921_DRV_OWN_RETRY_COUNT; i++) { 1273 mt76_wr(dev, MT_CONN_ON_LPCTL, PCIE_LPCR_HOST_SET_OWN); 1274 if (mt76_poll_msec(dev, MT_CONN_ON_LPCTL, 1275 PCIE_LPCR_HOST_OWN_SYNC, 4, 50)) 1276 break; 1277 } 1278 1279 if (i == MT7921_DRV_OWN_RETRY_COUNT) { 1280 dev_err(dev->mt76.dev, "firmware own failed\n"); 1281 return -EIO; 1282 } 1283 1284 return 0; 1285 } 1286 1287 void 1288 mt7921_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 1289 { 1290 struct mt7921_phy *phy = priv; 1291 struct mt7921_dev *dev = phy->dev; 1292 1293 if (mt7921_mcu_set_bss_pm(dev, vif, dev->pm.enable)) 1294 return; 1295 1296 if (dev->pm.enable) { 1297 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; 1298 mt76_set(dev, MT_WF_RFCR(0), MT_WF_RFCR_DROP_OTHER_BEACON); 1299 } else { 1300 vif->driver_flags &= ~IEEE80211_VIF_BEACON_FILTER; 1301 mt76_clear(dev, MT_WF_RFCR(0), MT_WF_RFCR_DROP_OTHER_BEACON); 1302 } 1303 } 1304