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 return; 410 411 msta = container_of(wcid, struct mt7921_sta, wcid); 412 stats = &msta->stats; 413 414 /* current rate */ 415 mt7921_mcu_tx_rate_parse(mphy, &peer, &rate, curr); 416 stats->tx_rate = rate; 417 } 418 419 static void 420 mt7921_mcu_scan_event(struct mt7921_dev *dev, struct sk_buff *skb) 421 { 422 struct mt76_phy *mphy = &dev->mt76.phy; 423 struct mt7921_phy *phy = (struct mt7921_phy *)mphy->priv; 424 425 spin_lock_bh(&dev->mt76.lock); 426 __skb_queue_tail(&phy->scan_event_list, skb); 427 spin_unlock_bh(&dev->mt76.lock); 428 429 ieee80211_queue_delayed_work(mphy->hw, &phy->scan_work, 430 MT7921_HW_SCAN_TIMEOUT); 431 } 432 433 static void 434 mt7921_mcu_beacon_loss_event(struct mt7921_dev *dev, struct sk_buff *skb) 435 { 436 struct mt76_connac_beacon_loss_event *event; 437 struct mt76_phy *mphy; 438 u8 band_idx = 0; /* DBDC support */ 439 440 skb_pull(skb, sizeof(struct mt7921_mcu_rxd)); 441 event = (struct mt76_connac_beacon_loss_event *)skb->data; 442 if (band_idx && dev->mt76.phy2) 443 mphy = dev->mt76.phy2; 444 else 445 mphy = &dev->mt76.phy; 446 447 ieee80211_iterate_active_interfaces_atomic(mphy->hw, 448 IEEE80211_IFACE_ITER_RESUME_ALL, 449 mt76_connac_mcu_beacon_loss_iter, event); 450 } 451 452 static void 453 mt7921_mcu_bss_event(struct mt7921_dev *dev, struct sk_buff *skb) 454 { 455 struct mt76_phy *mphy = &dev->mt76.phy; 456 struct mt76_connac_mcu_bss_event *event; 457 458 skb_pull(skb, sizeof(struct mt7921_mcu_rxd)); 459 event = (struct mt76_connac_mcu_bss_event *)skb->data; 460 if (event->is_absent) 461 ieee80211_stop_queues(mphy->hw); 462 else 463 ieee80211_wake_queues(mphy->hw); 464 } 465 466 static void 467 mt7921_mcu_debug_msg_event(struct mt7921_dev *dev, struct sk_buff *skb) 468 { 469 struct mt7921_mcu_rxd *rxd = (struct mt7921_mcu_rxd *)skb->data; 470 struct debug_msg { 471 __le16 id; 472 u8 type; 473 u8 flag; 474 __le32 value; 475 __le16 len; 476 u8 content[512]; 477 } __packed * debug_msg; 478 u16 cur_len; 479 int i; 480 481 skb_pull(skb, sizeof(*rxd)); 482 debug_msg = (struct debug_msg *)skb->data; 483 484 cur_len = min_t(u16, le16_to_cpu(debug_msg->len), 512); 485 486 if (debug_msg->type == 0x3) { 487 for (i = 0 ; i < cur_len; i++) 488 if (!debug_msg->content[i]) 489 debug_msg->content[i] = ' '; 490 491 dev_dbg(dev->mt76.dev, "%s", debug_msg->content); 492 } 493 } 494 495 static void 496 mt7921_mcu_rx_unsolicited_event(struct mt7921_dev *dev, struct sk_buff *skb) 497 { 498 struct mt7921_mcu_rxd *rxd = (struct mt7921_mcu_rxd *)skb->data; 499 500 switch (rxd->eid) { 501 case MCU_EVENT_BSS_BEACON_LOSS: 502 mt7921_mcu_beacon_loss_event(dev, skb); 503 break; 504 case MCU_EVENT_SCHED_SCAN_DONE: 505 case MCU_EVENT_SCAN_DONE: 506 mt7921_mcu_scan_event(dev, skb); 507 return; 508 case MCU_EVENT_BSS_ABSENCE: 509 mt7921_mcu_bss_event(dev, skb); 510 break; 511 case MCU_EVENT_DBG_MSG: 512 mt7921_mcu_debug_msg_event(dev, skb); 513 break; 514 case MCU_EVENT_COREDUMP: 515 mt76_connac_mcu_coredump_event(&dev->mt76, skb, 516 &dev->coredump); 517 return; 518 default: 519 break; 520 } 521 dev_kfree_skb(skb); 522 } 523 524 void mt7921_mcu_rx_event(struct mt7921_dev *dev, struct sk_buff *skb) 525 { 526 struct mt7921_mcu_rxd *rxd = (struct mt7921_mcu_rxd *)skb->data; 527 528 if (rxd->eid == 0x6) { 529 mt76_mcu_rx_event(&dev->mt76, skb); 530 return; 531 } 532 533 if (rxd->ext_eid == MCU_EXT_EVENT_RATE_REPORT || 534 rxd->eid == MCU_EVENT_BSS_BEACON_LOSS || 535 rxd->eid == MCU_EVENT_SCHED_SCAN_DONE || 536 rxd->eid == MCU_EVENT_BSS_ABSENCE || 537 rxd->eid == MCU_EVENT_SCAN_DONE || 538 rxd->eid == MCU_EVENT_DBG_MSG || 539 rxd->eid == MCU_EVENT_COREDUMP || 540 !rxd->seq) 541 mt7921_mcu_rx_unsolicited_event(dev, skb); 542 else 543 mt76_mcu_rx_event(&dev->mt76, skb); 544 } 545 546 /** starec & wtbl **/ 547 static int 548 mt7921_mcu_sta_key_tlv(struct mt7921_sta *msta, struct sk_buff *skb, 549 struct ieee80211_key_conf *key, enum set_key_cmd cmd) 550 { 551 struct mt7921_sta_key_conf *bip = &msta->bip; 552 struct sta_rec_sec *sec; 553 struct tlv *tlv; 554 u32 len = sizeof(*sec); 555 556 tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_KEY_V2, sizeof(*sec)); 557 558 sec = (struct sta_rec_sec *)tlv; 559 sec->add = cmd; 560 561 if (cmd == SET_KEY) { 562 struct sec_key *sec_key; 563 u8 cipher; 564 565 cipher = mt7921_mcu_get_cipher(key->cipher); 566 if (cipher == MT_CIPHER_NONE) 567 return -EOPNOTSUPP; 568 569 sec_key = &sec->key[0]; 570 sec_key->cipher_len = sizeof(*sec_key); 571 572 if (cipher == MT_CIPHER_BIP_CMAC_128) { 573 sec_key->cipher_id = MT_CIPHER_AES_CCMP; 574 sec_key->key_id = bip->keyidx; 575 sec_key->key_len = 16; 576 memcpy(sec_key->key, bip->key, 16); 577 578 sec_key = &sec->key[1]; 579 sec_key->cipher_id = MT_CIPHER_BIP_CMAC_128; 580 sec_key->cipher_len = sizeof(*sec_key); 581 sec_key->key_len = 16; 582 memcpy(sec_key->key, key->key, 16); 583 584 sec->n_cipher = 2; 585 } else { 586 sec_key->cipher_id = cipher; 587 sec_key->key_id = key->keyidx; 588 sec_key->key_len = key->keylen; 589 memcpy(sec_key->key, key->key, key->keylen); 590 591 if (cipher == MT_CIPHER_TKIP) { 592 /* Rx/Tx MIC keys are swapped */ 593 memcpy(sec_key->key + 16, key->key + 24, 8); 594 memcpy(sec_key->key + 24, key->key + 16, 8); 595 } 596 597 /* store key_conf for BIP batch update */ 598 if (cipher == MT_CIPHER_AES_CCMP) { 599 memcpy(bip->key, key->key, key->keylen); 600 bip->keyidx = key->keyidx; 601 } 602 603 len -= sizeof(*sec_key); 604 sec->n_cipher = 1; 605 } 606 } else { 607 len -= sizeof(sec->key); 608 sec->n_cipher = 0; 609 } 610 sec->len = cpu_to_le16(len); 611 612 return 0; 613 } 614 615 int mt7921_mcu_add_key(struct mt7921_dev *dev, struct ieee80211_vif *vif, 616 struct mt7921_sta *msta, struct ieee80211_key_conf *key, 617 enum set_key_cmd cmd) 618 { 619 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 620 struct sk_buff *skb; 621 int ret; 622 623 skb = mt76_connac_mcu_alloc_sta_req(&dev->mt76, &mvif->mt76, 624 &msta->wcid); 625 if (IS_ERR(skb)) 626 return PTR_ERR(skb); 627 628 ret = mt7921_mcu_sta_key_tlv(msta, skb, key, cmd); 629 if (ret) 630 return ret; 631 632 return mt76_mcu_skb_send_msg(&dev->mt76, skb, 633 MCU_UNI_CMD_STA_REC_UPDATE, true); 634 } 635 636 int mt7921_mcu_uni_tx_ba(struct mt7921_dev *dev, 637 struct ieee80211_ampdu_params *params, 638 bool enable) 639 { 640 struct mt7921_sta *msta = (struct mt7921_sta *)params->sta->drv_priv; 641 642 if (enable && !params->amsdu) 643 msta->wcid.amsdu = false; 644 645 return mt76_connac_mcu_sta_ba(&dev->mt76, &msta->vif->mt76, params, 646 enable, true); 647 } 648 649 int mt7921_mcu_uni_rx_ba(struct mt7921_dev *dev, 650 struct ieee80211_ampdu_params *params, 651 bool enable) 652 { 653 struct mt7921_sta *msta = (struct mt7921_sta *)params->sta->drv_priv; 654 655 return mt76_connac_mcu_sta_ba(&dev->mt76, &msta->vif->mt76, params, 656 enable, false); 657 } 658 659 static int mt7921_mcu_restart(struct mt76_dev *dev) 660 { 661 struct { 662 u8 power_mode; 663 u8 rsv[3]; 664 } req = { 665 .power_mode = 1, 666 }; 667 668 return mt76_mcu_send_msg(dev, MCU_CMD_NIC_POWER_CTRL, &req, 669 sizeof(req), false); 670 } 671 672 static int mt7921_driver_own(struct mt7921_dev *dev) 673 { 674 u32 reg = mt7921_reg_map_l1(dev, MT_TOP_LPCR_HOST_BAND0); 675 676 mt76_wr(dev, reg, MT_TOP_LPCR_HOST_DRV_OWN); 677 if (!mt76_poll_msec(dev, reg, MT_TOP_LPCR_HOST_FW_OWN, 678 0, 500)) { 679 dev_err(dev->mt76.dev, "Timeout for driver own\n"); 680 return -EIO; 681 } 682 683 return 0; 684 } 685 686 static int mt7921_load_patch(struct mt7921_dev *dev) 687 { 688 const struct mt7921_patch_hdr *hdr; 689 const struct firmware *fw = NULL; 690 int i, ret, sem; 691 692 sem = mt76_connac_mcu_patch_sem_ctrl(&dev->mt76, true); 693 switch (sem) { 694 case PATCH_IS_DL: 695 return 0; 696 case PATCH_NOT_DL_SEM_SUCCESS: 697 break; 698 default: 699 dev_err(dev->mt76.dev, "Failed to get patch semaphore\n"); 700 return -EAGAIN; 701 } 702 703 ret = request_firmware(&fw, MT7921_ROM_PATCH, dev->mt76.dev); 704 if (ret) 705 goto out; 706 707 if (!fw || !fw->data || fw->size < sizeof(*hdr)) { 708 dev_err(dev->mt76.dev, "Invalid firmware\n"); 709 ret = -EINVAL; 710 goto out; 711 } 712 713 hdr = (const struct mt7921_patch_hdr *)(fw->data); 714 715 dev_info(dev->mt76.dev, "HW/SW Version: 0x%x, Build Time: %.16s\n", 716 be32_to_cpu(hdr->hw_sw_ver), hdr->build_date); 717 718 for (i = 0; i < be32_to_cpu(hdr->desc.n_region); i++) { 719 struct mt7921_patch_sec *sec; 720 const u8 *dl; 721 u32 len, addr; 722 723 sec = (struct mt7921_patch_sec *)(fw->data + sizeof(*hdr) + 724 i * sizeof(*sec)); 725 if ((be32_to_cpu(sec->type) & PATCH_SEC_TYPE_MASK) != 726 PATCH_SEC_TYPE_INFO) { 727 ret = -EINVAL; 728 goto out; 729 } 730 731 addr = be32_to_cpu(sec->info.addr); 732 len = be32_to_cpu(sec->info.len); 733 dl = fw->data + be32_to_cpu(sec->offs); 734 735 ret = mt76_connac_mcu_init_download(&dev->mt76, addr, len, 736 DL_MODE_NEED_RSP); 737 if (ret) { 738 dev_err(dev->mt76.dev, "Download request failed\n"); 739 goto out; 740 } 741 742 ret = mt76_mcu_send_firmware(&dev->mt76, MCU_CMD_FW_SCATTER, 743 dl, len); 744 if (ret) { 745 dev_err(dev->mt76.dev, "Failed to send patch\n"); 746 goto out; 747 } 748 } 749 750 ret = mt76_connac_mcu_start_patch(&dev->mt76); 751 if (ret) 752 dev_err(dev->mt76.dev, "Failed to start patch\n"); 753 754 out: 755 sem = mt76_connac_mcu_patch_sem_ctrl(&dev->mt76, false); 756 switch (sem) { 757 case PATCH_REL_SEM_SUCCESS: 758 break; 759 default: 760 ret = -EAGAIN; 761 dev_err(dev->mt76.dev, "Failed to release patch semaphore\n"); 762 goto out; 763 } 764 release_firmware(fw); 765 766 return ret; 767 } 768 769 static u32 mt7921_mcu_gen_dl_mode(u8 feature_set, bool is_wa) 770 { 771 u32 ret = 0; 772 773 ret |= (feature_set & FW_FEATURE_SET_ENCRYPT) ? 774 (DL_MODE_ENCRYPT | DL_MODE_RESET_SEC_IV) : 0; 775 ret |= (feature_set & FW_FEATURE_ENCRY_MODE) ? 776 DL_CONFIG_ENCRY_MODE_SEL : 0; 777 ret |= FIELD_PREP(DL_MODE_KEY_IDX, 778 FIELD_GET(FW_FEATURE_SET_KEY_IDX, feature_set)); 779 ret |= DL_MODE_NEED_RSP; 780 ret |= is_wa ? DL_MODE_WORKING_PDA_CR4 : 0; 781 782 return ret; 783 } 784 785 static int 786 mt7921_mcu_send_ram_firmware(struct mt7921_dev *dev, 787 const struct mt7921_fw_trailer *hdr, 788 const u8 *data, bool is_wa) 789 { 790 int i, offset = 0; 791 u32 override = 0, option = 0; 792 793 for (i = 0; i < hdr->n_region; i++) { 794 const struct mt7921_fw_region *region; 795 int err; 796 u32 len, addr, mode; 797 798 region = (const struct mt7921_fw_region *)((const u8 *)hdr - 799 (hdr->n_region - i) * sizeof(*region)); 800 mode = mt7921_mcu_gen_dl_mode(region->feature_set, is_wa); 801 len = le32_to_cpu(region->len); 802 addr = le32_to_cpu(region->addr); 803 804 if (region->feature_set & FW_FEATURE_OVERRIDE_ADDR) 805 override = addr; 806 807 err = mt76_connac_mcu_init_download(&dev->mt76, addr, len, 808 mode); 809 if (err) { 810 dev_err(dev->mt76.dev, "Download request failed\n"); 811 return err; 812 } 813 814 err = mt76_mcu_send_firmware(&dev->mt76, MCU_CMD_FW_SCATTER, 815 data + offset, len); 816 if (err) { 817 dev_err(dev->mt76.dev, "Failed to send firmware.\n"); 818 return err; 819 } 820 821 offset += len; 822 } 823 824 if (override) 825 option |= FW_START_OVERRIDE; 826 827 if (is_wa) 828 option |= FW_START_WORKING_PDA_CR4; 829 830 return mt76_connac_mcu_start_firmware(&dev->mt76, override, option); 831 } 832 833 static int mt7921_load_ram(struct mt7921_dev *dev) 834 { 835 const struct mt7921_fw_trailer *hdr; 836 const struct firmware *fw; 837 int ret; 838 839 ret = request_firmware(&fw, MT7921_FIRMWARE_WM, dev->mt76.dev); 840 if (ret) 841 return ret; 842 843 if (!fw || !fw->data || fw->size < sizeof(*hdr)) { 844 dev_err(dev->mt76.dev, "Invalid firmware\n"); 845 ret = -EINVAL; 846 goto out; 847 } 848 849 hdr = (const struct mt7921_fw_trailer *)(fw->data + fw->size - 850 sizeof(*hdr)); 851 852 dev_info(dev->mt76.dev, "WM Firmware Version: %.10s, Build Time: %.15s\n", 853 hdr->fw_ver, hdr->build_date); 854 855 ret = mt7921_mcu_send_ram_firmware(dev, hdr, fw->data, false); 856 if (ret) { 857 dev_err(dev->mt76.dev, "Failed to start WM firmware\n"); 858 goto out; 859 } 860 861 snprintf(dev->mt76.hw->wiphy->fw_version, 862 sizeof(dev->mt76.hw->wiphy->fw_version), 863 "%.10s-%.15s", hdr->fw_ver, hdr->build_date); 864 865 out: 866 release_firmware(fw); 867 868 return ret; 869 } 870 871 static int mt7921_load_firmware(struct mt7921_dev *dev) 872 { 873 int ret; 874 875 ret = mt76_get_field(dev, MT_CONN_ON_MISC, MT_TOP_MISC2_FW_N9_RDY); 876 if (ret) { 877 dev_dbg(dev->mt76.dev, "Firmware is already download\n"); 878 return -EIO; 879 } 880 881 ret = mt7921_load_patch(dev); 882 if (ret) 883 return ret; 884 885 ret = mt7921_load_ram(dev); 886 if (ret) 887 return ret; 888 889 if (!mt76_poll_msec(dev, MT_CONN_ON_MISC, MT_TOP_MISC2_FW_N9_RDY, 890 MT_TOP_MISC2_FW_N9_RDY, 1500)) { 891 dev_err(dev->mt76.dev, "Timeout for initializing firmware\n"); 892 893 return -EIO; 894 } 895 896 mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_FWDL], false); 897 898 #ifdef CONFIG_PM 899 dev->mt76.hw->wiphy->wowlan = &mt76_connac_wowlan_support; 900 #endif /* CONFIG_PM */ 901 902 clear_bit(MT76_STATE_PM, &dev->mphy.state); 903 904 dev_err(dev->mt76.dev, "Firmware init done\n"); 905 906 return 0; 907 } 908 909 int mt7921_mcu_fw_log_2_host(struct mt7921_dev *dev, u8 ctrl) 910 { 911 struct { 912 u8 ctrl_val; 913 u8 pad[3]; 914 } data = { 915 .ctrl_val = ctrl 916 }; 917 918 return mt76_mcu_send_msg(&dev->mt76, MCU_CMD_FWLOG_2_HOST, &data, 919 sizeof(data), false); 920 } 921 922 int mt7921_mcu_init(struct mt7921_dev *dev) 923 { 924 static const struct mt76_mcu_ops mt7921_mcu_ops = { 925 .headroom = sizeof(struct mt7921_mcu_txd), 926 .mcu_skb_send_msg = mt7921_mcu_send_message, 927 .mcu_parse_response = mt7921_mcu_parse_response, 928 .mcu_restart = mt7921_mcu_restart, 929 }; 930 int ret; 931 932 dev->mt76.mcu_ops = &mt7921_mcu_ops; 933 934 ret = mt7921_driver_own(dev); 935 if (ret) 936 return ret; 937 938 ret = mt7921_load_firmware(dev); 939 if (ret) 940 return ret; 941 942 set_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state); 943 mt7921_mcu_fw_log_2_host(dev, 1); 944 945 return 0; 946 } 947 948 void mt7921_mcu_exit(struct mt7921_dev *dev) 949 { 950 u32 reg = mt7921_reg_map_l1(dev, MT_TOP_MISC); 951 952 __mt76_mcu_restart(&dev->mt76); 953 if (!mt76_poll_msec(dev, reg, MT_TOP_MISC_FW_STATE, 954 FIELD_PREP(MT_TOP_MISC_FW_STATE, 955 FW_STATE_FW_DOWNLOAD), 1000)) { 956 dev_err(dev->mt76.dev, "Failed to exit mcu\n"); 957 return; 958 } 959 960 reg = mt7921_reg_map_l1(dev, MT_TOP_LPCR_HOST_BAND0); 961 mt76_wr(dev, reg, MT_TOP_LPCR_HOST_FW_OWN); 962 skb_queue_purge(&dev->mt76.mcu.res_q); 963 } 964 965 int mt7921_mcu_set_tx(struct mt7921_dev *dev, struct ieee80211_vif *vif) 966 { 967 #define WMM_AIFS_SET BIT(0) 968 #define WMM_CW_MIN_SET BIT(1) 969 #define WMM_CW_MAX_SET BIT(2) 970 #define WMM_TXOP_SET BIT(3) 971 #define WMM_PARAM_SET GENMASK(3, 0) 972 #define TX_CMD_MODE 1 973 struct edca { 974 u8 queue; 975 u8 set; 976 u8 aifs; 977 u8 cw_min; 978 __le16 cw_max; 979 __le16 txop; 980 }; 981 struct mt7921_mcu_tx { 982 u8 total; 983 u8 action; 984 u8 valid; 985 u8 mode; 986 987 struct edca edca[IEEE80211_NUM_ACS]; 988 } __packed req = { 989 .valid = true, 990 .mode = TX_CMD_MODE, 991 .total = IEEE80211_NUM_ACS, 992 }; 993 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 994 int ac; 995 996 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { 997 struct ieee80211_tx_queue_params *q = &mvif->queue_params[ac]; 998 struct edca *e = &req.edca[ac]; 999 1000 e->set = WMM_PARAM_SET; 1001 e->queue = ac + mvif->mt76.wmm_idx * MT7921_MAX_WMM_SETS; 1002 e->aifs = q->aifs; 1003 e->txop = cpu_to_le16(q->txop); 1004 1005 if (q->cw_min) 1006 e->cw_min = fls(q->cw_min); 1007 else 1008 e->cw_min = 5; 1009 1010 if (q->cw_max) 1011 e->cw_max = cpu_to_le16(fls(q->cw_max)); 1012 else 1013 e->cw_max = cpu_to_le16(10); 1014 } 1015 return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_EDCA_UPDATE, &req, 1016 sizeof(req), true); 1017 } 1018 1019 int mt7921_mcu_set_chan_info(struct mt7921_phy *phy, int cmd) 1020 { 1021 struct mt7921_dev *dev = phy->dev; 1022 struct cfg80211_chan_def *chandef = &phy->mt76->chandef; 1023 int freq1 = chandef->center_freq1; 1024 struct { 1025 u8 control_ch; 1026 u8 center_ch; 1027 u8 bw; 1028 u8 tx_streams_num; 1029 u8 rx_streams; /* mask or num */ 1030 u8 switch_reason; 1031 u8 band_idx; 1032 u8 center_ch2; /* for 80+80 only */ 1033 __le16 cac_case; 1034 u8 channel_band; 1035 u8 rsv0; 1036 __le32 outband_freq; 1037 u8 txpower_drop; 1038 u8 ap_bw; 1039 u8 ap_center_ch; 1040 u8 rsv1[57]; 1041 } __packed req = { 1042 .control_ch = chandef->chan->hw_value, 1043 .center_ch = ieee80211_frequency_to_channel(freq1), 1044 .bw = mt7921_mcu_chan_bw(chandef), 1045 .tx_streams_num = hweight8(phy->mt76->antenna_mask), 1046 .rx_streams = phy->mt76->antenna_mask, 1047 .band_idx = phy != &dev->phy, 1048 .channel_band = chandef->chan->band, 1049 }; 1050 1051 if (dev->mt76.hw->conf.flags & IEEE80211_CONF_OFFCHANNEL) 1052 req.switch_reason = CH_SWITCH_SCAN_BYPASS_DPD; 1053 else if ((chandef->chan->flags & IEEE80211_CHAN_RADAR) && 1054 chandef->chan->dfs_state != NL80211_DFS_AVAILABLE) 1055 req.switch_reason = CH_SWITCH_DFS; 1056 else 1057 req.switch_reason = CH_SWITCH_NORMAL; 1058 1059 if (cmd == MCU_EXT_CMD_CHANNEL_SWITCH) 1060 req.rx_streams = hweight8(req.rx_streams); 1061 1062 if (chandef->width == NL80211_CHAN_WIDTH_80P80) { 1063 int freq2 = chandef->center_freq2; 1064 1065 req.center_ch2 = ieee80211_frequency_to_channel(freq2); 1066 } 1067 1068 return mt76_mcu_send_msg(&dev->mt76, cmd, &req, sizeof(req), true); 1069 } 1070 1071 int mt7921_mcu_set_eeprom(struct mt7921_dev *dev) 1072 { 1073 struct req_hdr { 1074 u8 buffer_mode; 1075 u8 format; 1076 __le16 len; 1077 } __packed req = { 1078 .buffer_mode = EE_MODE_EFUSE, 1079 .format = EE_FORMAT_WHOLE, 1080 }; 1081 1082 return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_EFUSE_BUFFER_MODE, 1083 &req, sizeof(req), true); 1084 } 1085 1086 int mt7921_mcu_get_eeprom(struct mt7921_dev *dev, u32 offset) 1087 { 1088 struct mt7921_mcu_eeprom_info req = { 1089 .addr = cpu_to_le32(round_down(offset, 16)), 1090 }; 1091 struct mt7921_mcu_eeprom_info *res; 1092 struct sk_buff *skb; 1093 int ret; 1094 u8 *buf; 1095 1096 ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_EXT_CMD_EFUSE_ACCESS, &req, 1097 sizeof(req), true, &skb); 1098 if (ret) 1099 return ret; 1100 1101 res = (struct mt7921_mcu_eeprom_info *)skb->data; 1102 buf = dev->mt76.eeprom.data + le32_to_cpu(res->addr); 1103 memcpy(buf, res->data, 16); 1104 dev_kfree_skb(skb); 1105 1106 return 0; 1107 } 1108 1109 u32 mt7921_get_wtbl_info(struct mt7921_dev *dev, u32 wlan_idx) 1110 { 1111 struct mt7921_mcu_wlan_info wtbl_info = { 1112 .wlan_idx = cpu_to_le32(wlan_idx), 1113 }; 1114 struct sk_buff *skb; 1115 int ret; 1116 1117 ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_CMD_GET_WTBL, 1118 &wtbl_info, sizeof(wtbl_info), true, 1119 &skb); 1120 if (ret) 1121 return ret; 1122 1123 mt7921_mcu_tx_rate_report(dev, skb, wlan_idx); 1124 dev_kfree_skb(skb); 1125 1126 return 0; 1127 } 1128 1129 int mt7921_mcu_uni_bss_ps(struct mt7921_dev *dev, struct ieee80211_vif *vif) 1130 { 1131 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1132 struct { 1133 struct { 1134 u8 bss_idx; 1135 u8 pad[3]; 1136 } __packed hdr; 1137 struct ps_tlv { 1138 __le16 tag; 1139 __le16 len; 1140 u8 ps_state; /* 0: device awake 1141 * 1: static power save 1142 * 2: dynamic power saving 1143 * 3: enter TWT power saving 1144 * 4: leave TWT power saving 1145 */ 1146 u8 pad[3]; 1147 } __packed ps; 1148 } __packed ps_req = { 1149 .hdr = { 1150 .bss_idx = mvif->mt76.idx, 1151 }, 1152 .ps = { 1153 .tag = cpu_to_le16(UNI_BSS_INFO_PS), 1154 .len = cpu_to_le16(sizeof(struct ps_tlv)), 1155 .ps_state = vif->bss_conf.ps ? 2 : 0, 1156 }, 1157 }; 1158 1159 if (vif->type != NL80211_IFTYPE_STATION) 1160 return -EOPNOTSUPP; 1161 1162 return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD_BSS_INFO_UPDATE, 1163 &ps_req, sizeof(ps_req), true); 1164 } 1165 1166 int mt7921_mcu_uni_bss_bcnft(struct mt7921_dev *dev, struct ieee80211_vif *vif, 1167 bool enable) 1168 { 1169 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1170 struct { 1171 struct { 1172 u8 bss_idx; 1173 u8 pad[3]; 1174 } __packed hdr; 1175 struct bcnft_tlv { 1176 __le16 tag; 1177 __le16 len; 1178 __le16 bcn_interval; 1179 u8 dtim_period; 1180 u8 pad; 1181 } __packed bcnft; 1182 } __packed bcnft_req = { 1183 .hdr = { 1184 .bss_idx = mvif->mt76.idx, 1185 }, 1186 .bcnft = { 1187 .tag = cpu_to_le16(UNI_BSS_INFO_BCNFT), 1188 .len = cpu_to_le16(sizeof(struct bcnft_tlv)), 1189 .bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int), 1190 .dtim_period = vif->bss_conf.dtim_period, 1191 }, 1192 }; 1193 1194 if (vif->type != NL80211_IFTYPE_STATION) 1195 return 0; 1196 1197 return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD_BSS_INFO_UPDATE, 1198 &bcnft_req, sizeof(bcnft_req), true); 1199 } 1200 1201 int mt7921_mcu_set_bss_pm(struct mt7921_dev *dev, struct ieee80211_vif *vif, 1202 bool enable) 1203 { 1204 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1205 struct { 1206 u8 bss_idx; 1207 u8 dtim_period; 1208 __le16 aid; 1209 __le16 bcn_interval; 1210 __le16 atim_window; 1211 u8 uapsd; 1212 u8 bmc_delivered_ac; 1213 u8 bmc_triggered_ac; 1214 u8 pad; 1215 } req = { 1216 .bss_idx = mvif->mt76.idx, 1217 .aid = cpu_to_le16(vif->bss_conf.aid), 1218 .dtim_period = vif->bss_conf.dtim_period, 1219 .bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int), 1220 }; 1221 struct { 1222 u8 bss_idx; 1223 u8 pad[3]; 1224 } req_hdr = { 1225 .bss_idx = mvif->mt76.idx, 1226 }; 1227 int err; 1228 1229 if (vif->type != NL80211_IFTYPE_STATION) 1230 return 0; 1231 1232 err = mt76_mcu_send_msg(&dev->mt76, MCU_CMD_SET_BSS_ABORT, &req_hdr, 1233 sizeof(req_hdr), false); 1234 if (err < 0 || !enable) 1235 return err; 1236 1237 return mt76_mcu_send_msg(&dev->mt76, MCU_CMD_SET_BSS_CONNECTED, &req, 1238 sizeof(req), false); 1239 } 1240 1241 int mt7921_mcu_drv_pmctrl(struct mt7921_dev *dev) 1242 { 1243 struct mt76_phy *mphy = &dev->mt76.phy; 1244 int i; 1245 1246 if (!test_and_clear_bit(MT76_STATE_PM, &mphy->state)) 1247 goto out; 1248 1249 for (i = 0; i < MT7921_DRV_OWN_RETRY_COUNT; i++) { 1250 mt76_wr(dev, MT_CONN_ON_LPCTL, PCIE_LPCR_HOST_CLR_OWN); 1251 if (mt76_poll_msec(dev, MT_CONN_ON_LPCTL, 1252 PCIE_LPCR_HOST_OWN_SYNC, 0, 50)) 1253 break; 1254 } 1255 1256 if (i == MT7921_DRV_OWN_RETRY_COUNT) { 1257 dev_err(dev->mt76.dev, "driver own failed\n"); 1258 return -EIO; 1259 } 1260 1261 out: 1262 dev->pm.last_activity = jiffies; 1263 1264 return 0; 1265 } 1266 1267 int mt7921_mcu_fw_pmctrl(struct mt7921_dev *dev) 1268 { 1269 struct mt76_phy *mphy = &dev->mt76.phy; 1270 int i; 1271 1272 if (test_and_set_bit(MT76_STATE_PM, &mphy->state)) 1273 return 0; 1274 1275 for (i = 0; i < MT7921_DRV_OWN_RETRY_COUNT; i++) { 1276 mt76_wr(dev, MT_CONN_ON_LPCTL, PCIE_LPCR_HOST_SET_OWN); 1277 if (mt76_poll_msec(dev, MT_CONN_ON_LPCTL, 1278 PCIE_LPCR_HOST_OWN_SYNC, 4, 50)) 1279 break; 1280 } 1281 1282 if (i == MT7921_DRV_OWN_RETRY_COUNT) { 1283 dev_err(dev->mt76.dev, "firmware own failed\n"); 1284 return -EIO; 1285 } 1286 1287 return 0; 1288 } 1289 1290 void 1291 mt7921_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 1292 { 1293 struct mt7921_phy *phy = priv; 1294 struct mt7921_dev *dev = phy->dev; 1295 1296 if (mt7921_mcu_set_bss_pm(dev, vif, dev->pm.enable)) 1297 return; 1298 1299 if (dev->pm.enable) { 1300 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; 1301 mt76_set(dev, MT_WF_RFCR(0), MT_WF_RFCR_DROP_OTHER_BEACON); 1302 } else { 1303 vif->driver_flags &= ~IEEE80211_VIF_BEACON_FILTER; 1304 mt76_clear(dev, MT_WF_RFCR(0), MT_WF_RFCR_DROP_OTHER_BEACON); 1305 } 1306 } 1307