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 case MCU_EVENT_COREDUMP: 517 mt76_connac_mcu_coredump_event(&dev->mt76, skb, 518 &dev->coredump); 519 return; 520 default: 521 break; 522 } 523 dev_kfree_skb(skb); 524 } 525 526 void mt7921_mcu_rx_event(struct mt7921_dev *dev, struct sk_buff *skb) 527 { 528 struct mt7921_mcu_rxd *rxd = (struct mt7921_mcu_rxd *)skb->data; 529 530 if (rxd->eid == 0x6) { 531 mt76_mcu_rx_event(&dev->mt76, skb); 532 return; 533 } 534 535 if (rxd->ext_eid == MCU_EXT_EVENT_RATE_REPORT || 536 rxd->eid == MCU_EVENT_BSS_BEACON_LOSS || 537 rxd->eid == MCU_EVENT_SCHED_SCAN_DONE || 538 rxd->eid == MCU_EVENT_BSS_ABSENCE || 539 rxd->eid == MCU_EVENT_SCAN_DONE || 540 rxd->eid == MCU_EVENT_DBG_MSG || 541 rxd->eid == MCU_EVENT_COREDUMP || 542 !rxd->seq) 543 mt7921_mcu_rx_unsolicited_event(dev, skb); 544 else 545 mt76_mcu_rx_event(&dev->mt76, skb); 546 } 547 548 /** starec & wtbl **/ 549 static int 550 mt7921_mcu_sta_key_tlv(struct mt7921_sta *msta, struct sk_buff *skb, 551 struct ieee80211_key_conf *key, enum set_key_cmd cmd) 552 { 553 struct mt7921_sta_key_conf *bip = &msta->bip; 554 struct sta_rec_sec *sec; 555 struct tlv *tlv; 556 u32 len = sizeof(*sec); 557 558 tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_KEY_V2, sizeof(*sec)); 559 560 sec = (struct sta_rec_sec *)tlv; 561 sec->add = cmd; 562 563 if (cmd == SET_KEY) { 564 struct sec_key *sec_key; 565 u8 cipher; 566 567 cipher = mt7921_mcu_get_cipher(key->cipher); 568 if (cipher == MT_CIPHER_NONE) 569 return -EOPNOTSUPP; 570 571 sec_key = &sec->key[0]; 572 sec_key->cipher_len = sizeof(*sec_key); 573 574 if (cipher == MT_CIPHER_BIP_CMAC_128) { 575 sec_key->cipher_id = MT_CIPHER_AES_CCMP; 576 sec_key->key_id = bip->keyidx; 577 sec_key->key_len = 16; 578 memcpy(sec_key->key, bip->key, 16); 579 580 sec_key = &sec->key[1]; 581 sec_key->cipher_id = MT_CIPHER_BIP_CMAC_128; 582 sec_key->cipher_len = sizeof(*sec_key); 583 sec_key->key_len = 16; 584 memcpy(sec_key->key, key->key, 16); 585 586 sec->n_cipher = 2; 587 } else { 588 sec_key->cipher_id = cipher; 589 sec_key->key_id = key->keyidx; 590 sec_key->key_len = key->keylen; 591 memcpy(sec_key->key, key->key, key->keylen); 592 593 if (cipher == MT_CIPHER_TKIP) { 594 /* Rx/Tx MIC keys are swapped */ 595 memcpy(sec_key->key + 16, key->key + 24, 8); 596 memcpy(sec_key->key + 24, key->key + 16, 8); 597 } 598 599 /* store key_conf for BIP batch update */ 600 if (cipher == MT_CIPHER_AES_CCMP) { 601 memcpy(bip->key, key->key, key->keylen); 602 bip->keyidx = key->keyidx; 603 } 604 605 len -= sizeof(*sec_key); 606 sec->n_cipher = 1; 607 } 608 } else { 609 len -= sizeof(sec->key); 610 sec->n_cipher = 0; 611 } 612 sec->len = cpu_to_le16(len); 613 614 return 0; 615 } 616 617 int mt7921_mcu_add_key(struct mt7921_dev *dev, struct ieee80211_vif *vif, 618 struct mt7921_sta *msta, struct ieee80211_key_conf *key, 619 enum set_key_cmd cmd) 620 { 621 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 622 struct sk_buff *skb; 623 int ret; 624 625 skb = mt76_connac_mcu_alloc_sta_req(&dev->mt76, &mvif->mt76, 626 &msta->wcid); 627 if (IS_ERR(skb)) 628 return PTR_ERR(skb); 629 630 ret = mt7921_mcu_sta_key_tlv(msta, skb, key, cmd); 631 if (ret) 632 return ret; 633 634 return mt76_mcu_skb_send_msg(&dev->mt76, skb, 635 MCU_UNI_CMD_STA_REC_UPDATE, true); 636 } 637 638 int mt7921_mcu_uni_tx_ba(struct mt7921_dev *dev, 639 struct ieee80211_ampdu_params *params, 640 bool enable) 641 { 642 struct mt7921_sta *msta = (struct mt7921_sta *)params->sta->drv_priv; 643 644 if (enable && !params->amsdu) 645 msta->wcid.amsdu = false; 646 647 return mt76_connac_mcu_sta_ba(&dev->mt76, &msta->vif->mt76, params, 648 enable, true); 649 } 650 651 int mt7921_mcu_uni_rx_ba(struct mt7921_dev *dev, 652 struct ieee80211_ampdu_params *params, 653 bool enable) 654 { 655 struct mt7921_sta *msta = (struct mt7921_sta *)params->sta->drv_priv; 656 657 return mt76_connac_mcu_sta_ba(&dev->mt76, &msta->vif->mt76, params, 658 enable, false); 659 } 660 661 static int mt7921_mcu_restart(struct mt76_dev *dev) 662 { 663 struct { 664 u8 power_mode; 665 u8 rsv[3]; 666 } req = { 667 .power_mode = 1, 668 }; 669 670 return mt76_mcu_send_msg(dev, MCU_CMD_NIC_POWER_CTRL, &req, 671 sizeof(req), false); 672 } 673 674 static int mt7921_driver_own(struct mt7921_dev *dev) 675 { 676 u32 reg = mt7921_reg_map_l1(dev, MT_TOP_LPCR_HOST_BAND0); 677 678 mt76_wr(dev, reg, MT_TOP_LPCR_HOST_DRV_OWN); 679 if (!mt76_poll_msec(dev, reg, MT_TOP_LPCR_HOST_FW_OWN, 680 0, 500)) { 681 dev_err(dev->mt76.dev, "Timeout for driver own\n"); 682 return -EIO; 683 } 684 685 return 0; 686 } 687 688 static int mt7921_load_patch(struct mt7921_dev *dev) 689 { 690 const struct mt7921_patch_hdr *hdr; 691 const struct firmware *fw = NULL; 692 int i, ret, sem; 693 694 sem = mt76_connac_mcu_patch_sem_ctrl(&dev->mt76, true); 695 switch (sem) { 696 case PATCH_IS_DL: 697 return 0; 698 case PATCH_NOT_DL_SEM_SUCCESS: 699 break; 700 default: 701 dev_err(dev->mt76.dev, "Failed to get patch semaphore\n"); 702 return -EAGAIN; 703 } 704 705 ret = request_firmware(&fw, MT7921_ROM_PATCH, dev->mt76.dev); 706 if (ret) 707 goto out; 708 709 if (!fw || !fw->data || fw->size < sizeof(*hdr)) { 710 dev_err(dev->mt76.dev, "Invalid firmware\n"); 711 ret = -EINVAL; 712 goto out; 713 } 714 715 hdr = (const struct mt7921_patch_hdr *)(fw->data); 716 717 dev_info(dev->mt76.dev, "HW/SW Version: 0x%x, Build Time: %.16s\n", 718 be32_to_cpu(hdr->hw_sw_ver), hdr->build_date); 719 720 for (i = 0; i < be32_to_cpu(hdr->desc.n_region); i++) { 721 struct mt7921_patch_sec *sec; 722 const u8 *dl; 723 u32 len, addr; 724 725 sec = (struct mt7921_patch_sec *)(fw->data + sizeof(*hdr) + 726 i * sizeof(*sec)); 727 if ((be32_to_cpu(sec->type) & PATCH_SEC_TYPE_MASK) != 728 PATCH_SEC_TYPE_INFO) { 729 ret = -EINVAL; 730 goto out; 731 } 732 733 addr = be32_to_cpu(sec->info.addr); 734 len = be32_to_cpu(sec->info.len); 735 dl = fw->data + be32_to_cpu(sec->offs); 736 737 ret = mt76_connac_mcu_init_download(&dev->mt76, addr, len, 738 DL_MODE_NEED_RSP); 739 if (ret) { 740 dev_err(dev->mt76.dev, "Download request failed\n"); 741 goto out; 742 } 743 744 ret = mt76_mcu_send_firmware(&dev->mt76, MCU_CMD_FW_SCATTER, 745 dl, len); 746 if (ret) { 747 dev_err(dev->mt76.dev, "Failed to send patch\n"); 748 goto out; 749 } 750 } 751 752 ret = mt76_connac_mcu_start_patch(&dev->mt76); 753 if (ret) 754 dev_err(dev->mt76.dev, "Failed to start patch\n"); 755 756 out: 757 sem = mt76_connac_mcu_patch_sem_ctrl(&dev->mt76, false); 758 switch (sem) { 759 case PATCH_REL_SEM_SUCCESS: 760 break; 761 default: 762 ret = -EAGAIN; 763 dev_err(dev->mt76.dev, "Failed to release patch semaphore\n"); 764 goto out; 765 } 766 release_firmware(fw); 767 768 return ret; 769 } 770 771 static u32 mt7921_mcu_gen_dl_mode(u8 feature_set, bool is_wa) 772 { 773 u32 ret = 0; 774 775 ret |= (feature_set & FW_FEATURE_SET_ENCRYPT) ? 776 (DL_MODE_ENCRYPT | DL_MODE_RESET_SEC_IV) : 0; 777 ret |= (feature_set & FW_FEATURE_ENCRY_MODE) ? 778 DL_CONFIG_ENCRY_MODE_SEL : 0; 779 ret |= FIELD_PREP(DL_MODE_KEY_IDX, 780 FIELD_GET(FW_FEATURE_SET_KEY_IDX, feature_set)); 781 ret |= DL_MODE_NEED_RSP; 782 ret |= is_wa ? DL_MODE_WORKING_PDA_CR4 : 0; 783 784 return ret; 785 } 786 787 static int 788 mt7921_mcu_send_ram_firmware(struct mt7921_dev *dev, 789 const struct mt7921_fw_trailer *hdr, 790 const u8 *data, bool is_wa) 791 { 792 int i, offset = 0; 793 u32 override = 0, option = 0; 794 795 for (i = 0; i < hdr->n_region; i++) { 796 const struct mt7921_fw_region *region; 797 int err; 798 u32 len, addr, mode; 799 800 region = (const struct mt7921_fw_region *)((const u8 *)hdr - 801 (hdr->n_region - i) * sizeof(*region)); 802 mode = mt7921_mcu_gen_dl_mode(region->feature_set, is_wa); 803 len = le32_to_cpu(region->len); 804 addr = le32_to_cpu(region->addr); 805 806 if (region->feature_set & FW_FEATURE_OVERRIDE_ADDR) 807 override = addr; 808 809 err = mt76_connac_mcu_init_download(&dev->mt76, addr, len, 810 mode); 811 if (err) { 812 dev_err(dev->mt76.dev, "Download request failed\n"); 813 return err; 814 } 815 816 err = mt76_mcu_send_firmware(&dev->mt76, MCU_CMD_FW_SCATTER, 817 data + offset, len); 818 if (err) { 819 dev_err(dev->mt76.dev, "Failed to send firmware.\n"); 820 return err; 821 } 822 823 offset += len; 824 } 825 826 if (override) 827 option |= FW_START_OVERRIDE; 828 829 if (is_wa) 830 option |= FW_START_WORKING_PDA_CR4; 831 832 return mt76_connac_mcu_start_firmware(&dev->mt76, override, option); 833 } 834 835 static int mt7921_load_ram(struct mt7921_dev *dev) 836 { 837 const struct mt7921_fw_trailer *hdr; 838 const struct firmware *fw; 839 int ret; 840 841 ret = request_firmware(&fw, MT7921_FIRMWARE_WM, dev->mt76.dev); 842 if (ret) 843 return ret; 844 845 if (!fw || !fw->data || fw->size < sizeof(*hdr)) { 846 dev_err(dev->mt76.dev, "Invalid firmware\n"); 847 ret = -EINVAL; 848 goto out; 849 } 850 851 hdr = (const struct mt7921_fw_trailer *)(fw->data + fw->size - 852 sizeof(*hdr)); 853 854 dev_info(dev->mt76.dev, "WM Firmware Version: %.10s, Build Time: %.15s\n", 855 hdr->fw_ver, hdr->build_date); 856 857 ret = mt7921_mcu_send_ram_firmware(dev, hdr, fw->data, false); 858 if (ret) { 859 dev_err(dev->mt76.dev, "Failed to start WM firmware\n"); 860 goto out; 861 } 862 863 snprintf(dev->mt76.hw->wiphy->fw_version, 864 sizeof(dev->mt76.hw->wiphy->fw_version), 865 "%.10s-%.15s", hdr->fw_ver, hdr->build_date); 866 867 out: 868 release_firmware(fw); 869 870 return ret; 871 } 872 873 static int mt7921_load_firmware(struct mt7921_dev *dev) 874 { 875 int ret; 876 877 ret = mt76_get_field(dev, MT_CONN_ON_MISC, MT_TOP_MISC2_FW_N9_RDY); 878 if (ret) { 879 dev_dbg(dev->mt76.dev, "Firmware is already download\n"); 880 return -EIO; 881 } 882 883 ret = mt7921_load_patch(dev); 884 if (ret) 885 return ret; 886 887 ret = mt7921_load_ram(dev); 888 if (ret) 889 return ret; 890 891 if (!mt76_poll_msec(dev, MT_CONN_ON_MISC, MT_TOP_MISC2_FW_N9_RDY, 892 MT_TOP_MISC2_FW_N9_RDY, 1500)) { 893 dev_err(dev->mt76.dev, "Timeout for initializing firmware\n"); 894 895 return -EIO; 896 } 897 898 mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_FWDL], false); 899 900 #ifdef CONFIG_PM 901 dev->mt76.hw->wiphy->wowlan = &mt76_connac_wowlan_support; 902 #endif /* CONFIG_PM */ 903 904 clear_bit(MT76_STATE_PM, &dev->mphy.state); 905 906 dev_err(dev->mt76.dev, "Firmware init done\n"); 907 908 return 0; 909 } 910 911 int mt7921_mcu_fw_log_2_host(struct mt7921_dev *dev, u8 ctrl) 912 { 913 struct { 914 u8 ctrl_val; 915 u8 pad[3]; 916 } data = { 917 .ctrl_val = ctrl 918 }; 919 920 return mt76_mcu_send_msg(&dev->mt76, MCU_CMD_FWLOG_2_HOST, &data, 921 sizeof(data), false); 922 } 923 924 int mt7921_mcu_init(struct mt7921_dev *dev) 925 { 926 static const struct mt76_mcu_ops mt7921_mcu_ops = { 927 .headroom = sizeof(struct mt7921_mcu_txd), 928 .mcu_skb_send_msg = mt7921_mcu_send_message, 929 .mcu_parse_response = mt7921_mcu_parse_response, 930 .mcu_restart = mt7921_mcu_restart, 931 }; 932 int ret; 933 934 dev->mt76.mcu_ops = &mt7921_mcu_ops; 935 936 ret = mt7921_driver_own(dev); 937 if (ret) 938 return ret; 939 940 ret = mt7921_load_firmware(dev); 941 if (ret) 942 return ret; 943 944 set_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state); 945 mt7921_mcu_fw_log_2_host(dev, 1); 946 947 return 0; 948 } 949 950 void mt7921_mcu_exit(struct mt7921_dev *dev) 951 { 952 u32 reg = mt7921_reg_map_l1(dev, MT_TOP_MISC); 953 954 __mt76_mcu_restart(&dev->mt76); 955 if (!mt76_poll_msec(dev, reg, MT_TOP_MISC_FW_STATE, 956 FIELD_PREP(MT_TOP_MISC_FW_STATE, 957 FW_STATE_FW_DOWNLOAD), 1000)) { 958 dev_err(dev->mt76.dev, "Failed to exit mcu\n"); 959 return; 960 } 961 962 reg = mt7921_reg_map_l1(dev, MT_TOP_LPCR_HOST_BAND0); 963 mt76_wr(dev, reg, MT_TOP_LPCR_HOST_FW_OWN); 964 skb_queue_purge(&dev->mt76.mcu.res_q); 965 } 966 967 int mt7921_mcu_set_tx(struct mt7921_dev *dev, struct ieee80211_vif *vif) 968 { 969 #define WMM_AIFS_SET BIT(0) 970 #define WMM_CW_MIN_SET BIT(1) 971 #define WMM_CW_MAX_SET BIT(2) 972 #define WMM_TXOP_SET BIT(3) 973 #define WMM_PARAM_SET GENMASK(3, 0) 974 #define TX_CMD_MODE 1 975 struct edca { 976 u8 queue; 977 u8 set; 978 u8 aifs; 979 u8 cw_min; 980 __le16 cw_max; 981 __le16 txop; 982 }; 983 struct mt7921_mcu_tx { 984 u8 total; 985 u8 action; 986 u8 valid; 987 u8 mode; 988 989 struct edca edca[IEEE80211_NUM_ACS]; 990 } __packed req = { 991 .valid = true, 992 .mode = TX_CMD_MODE, 993 .total = IEEE80211_NUM_ACS, 994 }; 995 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 996 int ac; 997 998 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { 999 struct ieee80211_tx_queue_params *q = &mvif->queue_params[ac]; 1000 struct edca *e = &req.edca[ac]; 1001 1002 e->set = WMM_PARAM_SET; 1003 e->queue = ac + mvif->mt76.wmm_idx * MT7921_MAX_WMM_SETS; 1004 e->aifs = q->aifs; 1005 e->txop = cpu_to_le16(q->txop); 1006 1007 if (q->cw_min) 1008 e->cw_min = fls(q->cw_min); 1009 else 1010 e->cw_min = 5; 1011 1012 if (q->cw_max) 1013 e->cw_max = cpu_to_le16(fls(q->cw_max)); 1014 else 1015 e->cw_max = cpu_to_le16(10); 1016 } 1017 return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_EDCA_UPDATE, &req, 1018 sizeof(req), true); 1019 } 1020 1021 int mt7921_mcu_set_chan_info(struct mt7921_phy *phy, int cmd) 1022 { 1023 struct mt7921_dev *dev = phy->dev; 1024 struct cfg80211_chan_def *chandef = &phy->mt76->chandef; 1025 int freq1 = chandef->center_freq1; 1026 struct { 1027 u8 control_ch; 1028 u8 center_ch; 1029 u8 bw; 1030 u8 tx_streams_num; 1031 u8 rx_streams; /* mask or num */ 1032 u8 switch_reason; 1033 u8 band_idx; 1034 u8 center_ch2; /* for 80+80 only */ 1035 __le16 cac_case; 1036 u8 channel_band; 1037 u8 rsv0; 1038 __le32 outband_freq; 1039 u8 txpower_drop; 1040 u8 ap_bw; 1041 u8 ap_center_ch; 1042 u8 rsv1[57]; 1043 } __packed req = { 1044 .control_ch = chandef->chan->hw_value, 1045 .center_ch = ieee80211_frequency_to_channel(freq1), 1046 .bw = mt7921_mcu_chan_bw(chandef), 1047 .tx_streams_num = hweight8(phy->mt76->antenna_mask), 1048 .rx_streams = phy->mt76->antenna_mask, 1049 .band_idx = phy != &dev->phy, 1050 .channel_band = chandef->chan->band, 1051 }; 1052 1053 if (dev->mt76.hw->conf.flags & IEEE80211_CONF_OFFCHANNEL) 1054 req.switch_reason = CH_SWITCH_SCAN_BYPASS_DPD; 1055 else if ((chandef->chan->flags & IEEE80211_CHAN_RADAR) && 1056 chandef->chan->dfs_state != NL80211_DFS_AVAILABLE) 1057 req.switch_reason = CH_SWITCH_DFS; 1058 else 1059 req.switch_reason = CH_SWITCH_NORMAL; 1060 1061 if (cmd == MCU_EXT_CMD_CHANNEL_SWITCH) 1062 req.rx_streams = hweight8(req.rx_streams); 1063 1064 if (chandef->width == NL80211_CHAN_WIDTH_80P80) { 1065 int freq2 = chandef->center_freq2; 1066 1067 req.center_ch2 = ieee80211_frequency_to_channel(freq2); 1068 } 1069 1070 return mt76_mcu_send_msg(&dev->mt76, cmd, &req, sizeof(req), true); 1071 } 1072 1073 int mt7921_mcu_set_eeprom(struct mt7921_dev *dev) 1074 { 1075 struct req_hdr { 1076 u8 buffer_mode; 1077 u8 format; 1078 __le16 len; 1079 } __packed req = { 1080 .buffer_mode = EE_MODE_EFUSE, 1081 .format = EE_FORMAT_WHOLE, 1082 }; 1083 1084 return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_EFUSE_BUFFER_MODE, 1085 &req, sizeof(req), true); 1086 } 1087 1088 int mt7921_mcu_get_eeprom(struct mt7921_dev *dev, u32 offset) 1089 { 1090 struct mt7921_mcu_eeprom_info req = { 1091 .addr = cpu_to_le32(round_down(offset, 16)), 1092 }; 1093 struct mt7921_mcu_eeprom_info *res; 1094 struct sk_buff *skb; 1095 int ret; 1096 u8 *buf; 1097 1098 ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_EXT_CMD_EFUSE_ACCESS, &req, 1099 sizeof(req), true, &skb); 1100 if (ret) 1101 return ret; 1102 1103 res = (struct mt7921_mcu_eeprom_info *)skb->data; 1104 buf = dev->mt76.eeprom.data + le32_to_cpu(res->addr); 1105 memcpy(buf, res->data, 16); 1106 dev_kfree_skb(skb); 1107 1108 return 0; 1109 } 1110 1111 u32 mt7921_get_wtbl_info(struct mt7921_dev *dev, u32 wlan_idx) 1112 { 1113 struct mt7921_mcu_wlan_info wtbl_info = { 1114 .wlan_idx = cpu_to_le32(wlan_idx), 1115 }; 1116 struct sk_buff *skb; 1117 int ret; 1118 1119 ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_CMD_GET_WTBL, 1120 &wtbl_info, sizeof(wtbl_info), true, 1121 &skb); 1122 if (ret) 1123 return ret; 1124 1125 mt7921_mcu_tx_rate_report(dev, skb, wlan_idx); 1126 dev_kfree_skb(skb); 1127 1128 return 0; 1129 } 1130 1131 int mt7921_mcu_uni_bss_ps(struct mt7921_dev *dev, struct ieee80211_vif *vif) 1132 { 1133 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1134 struct { 1135 struct { 1136 u8 bss_idx; 1137 u8 pad[3]; 1138 } __packed hdr; 1139 struct ps_tlv { 1140 __le16 tag; 1141 __le16 len; 1142 u8 ps_state; /* 0: device awake 1143 * 1: static power save 1144 * 2: dynamic power saving 1145 * 3: enter TWT power saving 1146 * 4: leave TWT power saving 1147 */ 1148 u8 pad[3]; 1149 } __packed ps; 1150 } __packed ps_req = { 1151 .hdr = { 1152 .bss_idx = mvif->mt76.idx, 1153 }, 1154 .ps = { 1155 .tag = cpu_to_le16(UNI_BSS_INFO_PS), 1156 .len = cpu_to_le16(sizeof(struct ps_tlv)), 1157 .ps_state = vif->bss_conf.ps ? 2 : 0, 1158 }, 1159 }; 1160 1161 if (vif->type != NL80211_IFTYPE_STATION) 1162 return -EOPNOTSUPP; 1163 1164 return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD_BSS_INFO_UPDATE, 1165 &ps_req, sizeof(ps_req), true); 1166 } 1167 1168 int mt7921_mcu_uni_bss_bcnft(struct mt7921_dev *dev, struct ieee80211_vif *vif, 1169 bool enable) 1170 { 1171 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1172 struct { 1173 struct { 1174 u8 bss_idx; 1175 u8 pad[3]; 1176 } __packed hdr; 1177 struct bcnft_tlv { 1178 __le16 tag; 1179 __le16 len; 1180 __le16 bcn_interval; 1181 u8 dtim_period; 1182 u8 pad; 1183 } __packed bcnft; 1184 } __packed bcnft_req = { 1185 .hdr = { 1186 .bss_idx = mvif->mt76.idx, 1187 }, 1188 .bcnft = { 1189 .tag = cpu_to_le16(UNI_BSS_INFO_BCNFT), 1190 .len = cpu_to_le16(sizeof(struct bcnft_tlv)), 1191 .bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int), 1192 .dtim_period = vif->bss_conf.dtim_period, 1193 }, 1194 }; 1195 1196 if (vif->type != NL80211_IFTYPE_STATION) 1197 return 0; 1198 1199 return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD_BSS_INFO_UPDATE, 1200 &bcnft_req, sizeof(bcnft_req), true); 1201 } 1202 1203 int mt7921_mcu_set_bss_pm(struct mt7921_dev *dev, struct ieee80211_vif *vif, 1204 bool enable) 1205 { 1206 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv; 1207 struct { 1208 u8 bss_idx; 1209 u8 dtim_period; 1210 __le16 aid; 1211 __le16 bcn_interval; 1212 __le16 atim_window; 1213 u8 uapsd; 1214 u8 bmc_delivered_ac; 1215 u8 bmc_triggered_ac; 1216 u8 pad; 1217 } req = { 1218 .bss_idx = mvif->mt76.idx, 1219 .aid = cpu_to_le16(vif->bss_conf.aid), 1220 .dtim_period = vif->bss_conf.dtim_period, 1221 .bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int), 1222 }; 1223 struct { 1224 u8 bss_idx; 1225 u8 pad[3]; 1226 } req_hdr = { 1227 .bss_idx = mvif->mt76.idx, 1228 }; 1229 int err; 1230 1231 if (vif->type != NL80211_IFTYPE_STATION) 1232 return 0; 1233 1234 err = mt76_mcu_send_msg(&dev->mt76, MCU_CMD_SET_BSS_ABORT, &req_hdr, 1235 sizeof(req_hdr), false); 1236 if (err < 0 || !enable) 1237 return err; 1238 1239 return mt76_mcu_send_msg(&dev->mt76, MCU_CMD_SET_BSS_CONNECTED, &req, 1240 sizeof(req), false); 1241 } 1242 1243 int mt7921_mcu_drv_pmctrl(struct mt7921_dev *dev) 1244 { 1245 struct mt76_phy *mphy = &dev->mt76.phy; 1246 int i; 1247 1248 if (!test_and_clear_bit(MT76_STATE_PM, &mphy->state)) 1249 goto out; 1250 1251 for (i = 0; i < MT7921_DRV_OWN_RETRY_COUNT; i++) { 1252 mt76_wr(dev, MT_CONN_ON_LPCTL, PCIE_LPCR_HOST_CLR_OWN); 1253 if (mt76_poll_msec(dev, MT_CONN_ON_LPCTL, 1254 PCIE_LPCR_HOST_OWN_SYNC, 0, 50)) 1255 break; 1256 } 1257 1258 if (i == MT7921_DRV_OWN_RETRY_COUNT) { 1259 dev_err(dev->mt76.dev, "driver own failed\n"); 1260 return -EIO; 1261 } 1262 1263 out: 1264 dev->pm.last_activity = jiffies; 1265 1266 return 0; 1267 } 1268 1269 int mt7921_mcu_fw_pmctrl(struct mt7921_dev *dev) 1270 { 1271 struct mt76_phy *mphy = &dev->mt76.phy; 1272 int i; 1273 1274 if (test_and_set_bit(MT76_STATE_PM, &mphy->state)) 1275 return 0; 1276 1277 for (i = 0; i < MT7921_DRV_OWN_RETRY_COUNT; i++) { 1278 mt76_wr(dev, MT_CONN_ON_LPCTL, PCIE_LPCR_HOST_SET_OWN); 1279 if (mt76_poll_msec(dev, MT_CONN_ON_LPCTL, 1280 PCIE_LPCR_HOST_OWN_SYNC, 4, 50)) 1281 break; 1282 } 1283 1284 if (i == MT7921_DRV_OWN_RETRY_COUNT) { 1285 dev_err(dev->mt76.dev, "firmware own failed\n"); 1286 return -EIO; 1287 } 1288 1289 return 0; 1290 } 1291 1292 void 1293 mt7921_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 1294 { 1295 struct mt7921_phy *phy = priv; 1296 struct mt7921_dev *dev = phy->dev; 1297 1298 if (mt7921_mcu_set_bss_pm(dev, vif, dev->pm.enable)) 1299 return; 1300 1301 if (dev->pm.enable) { 1302 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; 1303 mt76_set(dev, MT_WF_RFCR(0), MT_WF_RFCR_DROP_OTHER_BEACON); 1304 } else { 1305 vif->driver_flags &= ~IEEE80211_VIF_BEACON_FILTER; 1306 mt76_clear(dev, MT_WF_RFCR(0), MT_WF_RFCR_DROP_OTHER_BEACON); 1307 } 1308 } 1309