1
2
3
4#include <linux/firmware.h>
5#include <linux/fs.h>
6#include "mt7921.h"
7#include "mt7921_trace.h"
8#include "mcu.h"
9#include "mac.h"
10
11struct mt7921_patch_hdr {
12 char build_date[16];
13 char platform[4];
14 __be32 hw_sw_ver;
15 __be32 patch_ver;
16 __be16 checksum;
17 u16 reserved;
18 struct {
19 __be32 patch_ver;
20 __be32 subsys;
21 __be32 feature;
22 __be32 n_region;
23 __be32 crc;
24 u32 reserved[11];
25 } desc;
26} __packed;
27
28struct mt7921_patch_sec {
29 __be32 type;
30 __be32 offs;
31 __be32 size;
32 union {
33 __be32 spec[13];
34 struct {
35 __be32 addr;
36 __be32 len;
37 __be32 sec_key_idx;
38 __be32 align_len;
39 u32 reserved[9];
40 } info;
41 };
42} __packed;
43
44struct mt7921_fw_trailer {
45 u8 chip_id;
46 u8 eco_code;
47 u8 n_region;
48 u8 format_ver;
49 u8 format_flag;
50 u8 reserved[2];
51 char fw_ver[10];
52 char build_date[15];
53 u32 crc;
54} __packed;
55
56struct mt7921_fw_region {
57 __le32 decomp_crc;
58 __le32 decomp_len;
59 __le32 decomp_blk_sz;
60 u8 reserved[4];
61 __le32 addr;
62 __le32 len;
63 u8 feature_set;
64 u8 reserved1[15];
65} __packed;
66
67#define MT_STA_BFER BIT(0)
68#define MT_STA_BFEE BIT(1)
69
70#define FW_FEATURE_SET_ENCRYPT BIT(0)
71#define FW_FEATURE_SET_KEY_IDX GENMASK(2, 1)
72#define FW_FEATURE_ENCRY_MODE BIT(4)
73#define FW_FEATURE_OVERRIDE_ADDR BIT(5)
74
75#define DL_MODE_ENCRYPT BIT(0)
76#define DL_MODE_KEY_IDX GENMASK(2, 1)
77#define DL_MODE_RESET_SEC_IV BIT(3)
78#define DL_MODE_WORKING_PDA_CR4 BIT(4)
79#define DL_CONFIG_ENCRY_MODE_SEL BIT(6)
80#define DL_MODE_NEED_RSP BIT(31)
81
82#define FW_START_OVERRIDE BIT(0)
83#define FW_START_WORKING_PDA_CR4 BIT(2)
84
85#define PATCH_SEC_TYPE_MASK GENMASK(15, 0)
86#define PATCH_SEC_TYPE_INFO 0x2
87
88#define to_wcid_lo(id) FIELD_GET(GENMASK(7, 0), (u16)id)
89#define to_wcid_hi(id) FIELD_GET(GENMASK(9, 8), (u16)id)
90
91static enum mcu_cipher_type
92mt7921_mcu_get_cipher(int cipher)
93{
94 switch (cipher) {
95 case WLAN_CIPHER_SUITE_WEP40:
96 return MCU_CIPHER_WEP40;
97 case WLAN_CIPHER_SUITE_WEP104:
98 return MCU_CIPHER_WEP104;
99 case WLAN_CIPHER_SUITE_TKIP:
100 return MCU_CIPHER_TKIP;
101 case WLAN_CIPHER_SUITE_AES_CMAC:
102 return MCU_CIPHER_BIP_CMAC_128;
103 case WLAN_CIPHER_SUITE_CCMP:
104 return MCU_CIPHER_AES_CCMP;
105 case WLAN_CIPHER_SUITE_CCMP_256:
106 return MCU_CIPHER_CCMP_256;
107 case WLAN_CIPHER_SUITE_GCMP:
108 return MCU_CIPHER_GCMP;
109 case WLAN_CIPHER_SUITE_GCMP_256:
110 return MCU_CIPHER_GCMP_256;
111 case WLAN_CIPHER_SUITE_SMS4:
112 return MCU_CIPHER_WAPI;
113 default:
114 return MCU_CIPHER_NONE;
115 }
116}
117
118static u8 mt7921_mcu_chan_bw(struct cfg80211_chan_def *chandef)
119{
120 static const u8 width_to_bw[] = {
121 [NL80211_CHAN_WIDTH_40] = CMD_CBW_40MHZ,
122 [NL80211_CHAN_WIDTH_80] = CMD_CBW_80MHZ,
123 [NL80211_CHAN_WIDTH_80P80] = CMD_CBW_8080MHZ,
124 [NL80211_CHAN_WIDTH_160] = CMD_CBW_160MHZ,
125 [NL80211_CHAN_WIDTH_5] = CMD_CBW_5MHZ,
126 [NL80211_CHAN_WIDTH_10] = CMD_CBW_10MHZ,
127 [NL80211_CHAN_WIDTH_20] = CMD_CBW_20MHZ,
128 [NL80211_CHAN_WIDTH_20_NOHT] = CMD_CBW_20MHZ,
129 };
130
131 if (chandef->width >= ARRAY_SIZE(width_to_bw))
132 return 0;
133
134 return width_to_bw[chandef->width];
135}
136
137static int
138mt7921_mcu_parse_eeprom(struct mt76_dev *dev, struct sk_buff *skb)
139{
140 struct mt7921_mcu_eeprom_info *res;
141 u8 *buf;
142
143 if (!skb)
144 return -EINVAL;
145
146 skb_pull(skb, sizeof(struct mt7921_mcu_rxd));
147
148 res = (struct mt7921_mcu_eeprom_info *)skb->data;
149 buf = dev->eeprom.data + le32_to_cpu(res->addr);
150 memcpy(buf, res->data, 16);
151
152 return 0;
153}
154
155static int
156mt7921_mcu_parse_response(struct mt76_dev *mdev, int cmd,
157 struct sk_buff *skb, int seq)
158{
159 struct mt7921_mcu_rxd *rxd;
160 int ret = 0;
161
162 if (!skb) {
163 dev_err(mdev->dev, "Message %08x (seq %d) timeout\n",
164 cmd, seq);
165 mt7921_reset(mdev);
166
167 return -ETIMEDOUT;
168 }
169
170 rxd = (struct mt7921_mcu_rxd *)skb->data;
171 if (seq != rxd->seq)
172 return -EAGAIN;
173
174 switch (cmd) {
175 case MCU_CMD_PATCH_SEM_CONTROL:
176 skb_pull(skb, sizeof(*rxd) - 4);
177 ret = *skb->data;
178 break;
179 case MCU_EXT_CMD_GET_TEMP:
180 skb_pull(skb, sizeof(*rxd) + 4);
181 ret = le32_to_cpu(*(__le32 *)skb->data);
182 break;
183 case MCU_EXT_CMD_EFUSE_ACCESS:
184 ret = mt7921_mcu_parse_eeprom(mdev, skb);
185 break;
186 case MCU_UNI_CMD_DEV_INFO_UPDATE:
187 case MCU_UNI_CMD_BSS_INFO_UPDATE:
188 case MCU_UNI_CMD_STA_REC_UPDATE:
189 case MCU_UNI_CMD_HIF_CTRL:
190 case MCU_UNI_CMD_OFFLOAD:
191 case MCU_UNI_CMD_SUSPEND: {
192 struct mt7921_mcu_uni_event *event;
193
194 skb_pull(skb, sizeof(*rxd));
195 event = (struct mt7921_mcu_uni_event *)skb->data;
196 ret = le32_to_cpu(event->status);
197 break;
198 }
199 case MCU_CMD_REG_READ: {
200 struct mt7921_mcu_reg_event *event;
201
202 skb_pull(skb, sizeof(*rxd));
203 event = (struct mt7921_mcu_reg_event *)skb->data;
204 ret = (int)le32_to_cpu(event->val);
205 break;
206 }
207 default:
208 skb_pull(skb, sizeof(struct mt7921_mcu_rxd));
209 break;
210 }
211
212 return ret;
213}
214
215static int
216mt7921_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb,
217 int cmd, int *wait_seq)
218{
219 struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76);
220 int txd_len, mcu_cmd = cmd & MCU_CMD_MASK;
221 enum mt76_mcuq_id txq = MT_MCUQ_WM;
222 struct mt7921_uni_txd *uni_txd;
223 struct mt7921_mcu_txd *mcu_txd;
224 __le32 *txd;
225 u32 val;
226 u8 seq;
227
228 switch (cmd) {
229 case MCU_UNI_CMD_HIF_CTRL:
230 case MCU_UNI_CMD_SUSPEND:
231 case MCU_UNI_CMD_OFFLOAD:
232 mdev->mcu.timeout = HZ / 3;
233 break;
234 default:
235 mdev->mcu.timeout = 3 * HZ;
236 break;
237 }
238
239 seq = ++dev->mt76.mcu.msg_seq & 0xf;
240 if (!seq)
241 seq = ++dev->mt76.mcu.msg_seq & 0xf;
242
243 if (cmd == MCU_CMD_FW_SCATTER) {
244 txq = MT_MCUQ_FWDL;
245 goto exit;
246 }
247
248 txd_len = cmd & MCU_UNI_PREFIX ? sizeof(*uni_txd) : sizeof(*mcu_txd);
249 txd = (__le32 *)skb_push(skb, txd_len);
250
251 val = FIELD_PREP(MT_TXD0_TX_BYTES, skb->len) |
252 FIELD_PREP(MT_TXD0_PKT_FMT, MT_TX_TYPE_CMD) |
253 FIELD_PREP(MT_TXD0_Q_IDX, MT_TX_MCU_PORT_RX_Q0);
254 txd[0] = cpu_to_le32(val);
255
256 val = MT_TXD1_LONG_FORMAT |
257 FIELD_PREP(MT_TXD1_HDR_FORMAT, MT_HDR_FORMAT_CMD);
258 txd[1] = cpu_to_le32(val);
259
260 if (cmd & MCU_UNI_PREFIX) {
261 uni_txd = (struct mt7921_uni_txd *)txd;
262 uni_txd->len = cpu_to_le16(skb->len - sizeof(uni_txd->txd));
263 uni_txd->option = MCU_CMD_UNI_EXT_ACK;
264 uni_txd->cid = cpu_to_le16(mcu_cmd);
265 uni_txd->s2d_index = MCU_S2D_H2N;
266 uni_txd->pkt_type = MCU_PKT_ID;
267 uni_txd->seq = seq;
268
269 goto exit;
270 }
271
272 mcu_txd = (struct mt7921_mcu_txd *)txd;
273 mcu_txd->len = cpu_to_le16(skb->len - sizeof(mcu_txd->txd));
274 mcu_txd->pq_id = cpu_to_le16(MCU_PQ_ID(MT_TX_PORT_IDX_MCU,
275 MT_TX_MCU_PORT_RX_Q0));
276 mcu_txd->pkt_type = MCU_PKT_ID;
277 mcu_txd->seq = seq;
278
279 switch (cmd & ~MCU_CMD_MASK) {
280 case MCU_FW_PREFIX:
281 mcu_txd->set_query = MCU_Q_NA;
282 mcu_txd->cid = mcu_cmd;
283 break;
284 case MCU_CE_PREFIX:
285 if (cmd & MCU_QUERY_MASK)
286 mcu_txd->set_query = MCU_Q_QUERY;
287 else
288 mcu_txd->set_query = MCU_Q_SET;
289 mcu_txd->cid = mcu_cmd;
290 break;
291 default:
292 mcu_txd->cid = MCU_CMD_EXT_CID;
293 if (cmd & MCU_QUERY_PREFIX || cmd == MCU_EXT_CMD_EFUSE_ACCESS)
294 mcu_txd->set_query = MCU_Q_QUERY;
295 else
296 mcu_txd->set_query = MCU_Q_SET;
297 mcu_txd->ext_cid = mcu_cmd;
298 mcu_txd->ext_cid_ack = 1;
299 break;
300 }
301
302 mcu_txd->s2d_index = MCU_S2D_H2N;
303 WARN_ON(cmd == MCU_EXT_CMD_EFUSE_ACCESS &&
304 mcu_txd->set_query != MCU_Q_QUERY);
305
306exit:
307 if (wait_seq)
308 *wait_seq = seq;
309
310 return mt76_tx_queue_skb_raw(dev, mdev->q_mcu[txq], skb, 0);
311}
312
313static void
314mt7921_mcu_tx_rate_parse(struct mt76_phy *mphy,
315 struct mt7921_mcu_peer_cap *peer,
316 struct rate_info *rate, u16 r)
317{
318 struct ieee80211_supported_band *sband;
319 u16 flags = 0;
320 u8 txmode = FIELD_GET(MT_WTBL_RATE_TX_MODE, r);
321 u8 gi = 0;
322 u8 bw = 0;
323
324 rate->mcs = FIELD_GET(MT_WTBL_RATE_MCS, r);
325 rate->nss = FIELD_GET(MT_WTBL_RATE_NSS, r) + 1;
326
327 switch (peer->bw) {
328 case IEEE80211_STA_RX_BW_160:
329 gi = peer->g16;
330 break;
331 case IEEE80211_STA_RX_BW_80:
332 gi = peer->g8;
333 break;
334 case IEEE80211_STA_RX_BW_40:
335 gi = peer->g4;
336 break;
337 default:
338 gi = peer->g2;
339 break;
340 }
341
342 gi = txmode >= MT_PHY_TYPE_HE_SU ?
343 FIELD_GET(MT_WTBL_RATE_HE_GI, gi) :
344 FIELD_GET(MT_WTBL_RATE_GI, gi);
345
346 switch (txmode) {
347 case MT_PHY_TYPE_CCK:
348 case MT_PHY_TYPE_OFDM:
349 if (mphy->chandef.chan->band == NL80211_BAND_5GHZ)
350 sband = &mphy->sband_5g.sband;
351 else
352 sband = &mphy->sband_2g.sband;
353
354 rate->legacy = sband->bitrates[rate->mcs].bitrate;
355 break;
356 case MT_PHY_TYPE_HT:
357 case MT_PHY_TYPE_HT_GF:
358 flags |= RATE_INFO_FLAGS_MCS;
359
360 if (gi)
361 flags |= RATE_INFO_FLAGS_SHORT_GI;
362 break;
363 case MT_PHY_TYPE_VHT:
364 flags |= RATE_INFO_FLAGS_VHT_MCS;
365
366 if (gi)
367 flags |= RATE_INFO_FLAGS_SHORT_GI;
368 break;
369 case MT_PHY_TYPE_HE_SU:
370 case MT_PHY_TYPE_HE_EXT_SU:
371 case MT_PHY_TYPE_HE_TB:
372 case MT_PHY_TYPE_HE_MU:
373 rate->he_gi = gi;
374 rate->he_dcm = FIELD_GET(MT_RA_RATE_DCM_EN, r);
375
376 flags |= RATE_INFO_FLAGS_HE_MCS;
377 break;
378 default:
379 break;
380 }
381 rate->flags = flags;
382
383 bw = mt7921_mcu_chan_bw(&mphy->chandef) - FIELD_GET(MT_RA_RATE_BW, r);
384
385 switch (bw) {
386 case IEEE80211_STA_RX_BW_160:
387 rate->bw = RATE_INFO_BW_160;
388 break;
389 case IEEE80211_STA_RX_BW_80:
390 rate->bw = RATE_INFO_BW_80;
391 break;
392 case IEEE80211_STA_RX_BW_40:
393 rate->bw = RATE_INFO_BW_40;
394 break;
395 default:
396 rate->bw = RATE_INFO_BW_20;
397 break;
398 }
399}
400
401static void
402mt7921_mcu_scan_event(struct mt7921_dev *dev, struct sk_buff *skb)
403{
404 struct mt76_phy *mphy = &dev->mt76.phy;
405 struct mt7921_phy *phy = (struct mt7921_phy *)mphy->priv;
406
407 spin_lock_bh(&dev->mt76.lock);
408 __skb_queue_tail(&phy->scan_event_list, skb);
409 spin_unlock_bh(&dev->mt76.lock);
410
411 ieee80211_queue_delayed_work(mphy->hw, &phy->scan_work,
412 MT7921_HW_SCAN_TIMEOUT);
413}
414
415static void
416mt7921_mcu_connection_loss_iter(void *priv, u8 *mac,
417 struct ieee80211_vif *vif)
418{
419 struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
420 struct mt76_connac_beacon_loss_event *event = priv;
421
422 if (mvif->idx != event->bss_idx)
423 return;
424
425 if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER))
426 return;
427
428 ieee80211_connection_loss(vif);
429}
430
431static void
432mt7921_mcu_connection_loss_event(struct mt7921_dev *dev, struct sk_buff *skb)
433{
434 struct mt76_connac_beacon_loss_event *event;
435 struct mt76_phy *mphy = &dev->mt76.phy;
436
437 skb_pull(skb, sizeof(struct mt7921_mcu_rxd));
438 event = (struct mt76_connac_beacon_loss_event *)skb->data;
439
440 ieee80211_iterate_active_interfaces_atomic(mphy->hw,
441 IEEE80211_IFACE_ITER_RESUME_ALL,
442 mt7921_mcu_connection_loss_iter, event);
443}
444
445static void
446mt7921_mcu_bss_event(struct mt7921_dev *dev, struct sk_buff *skb)
447{
448 struct mt76_phy *mphy = &dev->mt76.phy;
449 struct mt76_connac_mcu_bss_event *event;
450
451 skb_pull(skb, sizeof(struct mt7921_mcu_rxd));
452 event = (struct mt76_connac_mcu_bss_event *)skb->data;
453 if (event->is_absent)
454 ieee80211_stop_queues(mphy->hw);
455 else
456 ieee80211_wake_queues(mphy->hw);
457}
458
459static void
460mt7921_mcu_debug_msg_event(struct mt7921_dev *dev, struct sk_buff *skb)
461{
462 struct mt7921_debug_msg {
463 __le16 id;
464 u8 type;
465 u8 flag;
466 __le32 value;
467 __le16 len;
468 u8 content[512];
469 } __packed * msg;
470
471 skb_pull(skb, sizeof(struct mt7921_mcu_rxd));
472 msg = (struct mt7921_debug_msg *)skb->data;
473
474 if (msg->type == 3) {
475 u16 len = min_t(u16, le16_to_cpu(msg->len), 512);
476 int i;
477
478 for (i = 0 ; i < len; i++) {
479 if (!msg->content[i])
480 msg->content[i] = ' ';
481 }
482 wiphy_info(mt76_hw(dev)->wiphy, "%.*s", len, msg->content);
483 }
484}
485
486static void
487mt7921_mcu_low_power_event(struct mt7921_dev *dev, struct sk_buff *skb)
488{
489 struct mt7921_mcu_lp_event {
490 u8 state;
491 u8 reserved[3];
492 } __packed * event;
493
494 skb_pull(skb, sizeof(struct mt7921_mcu_rxd));
495 event = (struct mt7921_mcu_lp_event *)skb->data;
496
497 trace_lp_event(dev, event->state);
498}
499
500static void
501mt7921_mcu_tx_done_event(struct mt7921_dev *dev, struct sk_buff *skb)
502{
503 struct mt7921_mcu_tx_done_event *event;
504 struct mt7921_sta *msta;
505 struct mt7921_phy *mphy = &dev->phy;
506 struct mt7921_mcu_peer_cap peer;
507 struct ieee80211_sta *sta;
508 LIST_HEAD(list);
509
510 skb_pull(skb, sizeof(struct mt7921_mcu_rxd));
511 event = (struct mt7921_mcu_tx_done_event *)skb->data;
512
513 spin_lock_bh(&dev->sta_poll_lock);
514 list_splice_init(&mphy->stats_list, &list);
515
516 while (!list_empty(&list)) {
517 msta = list_first_entry(&list, struct mt7921_sta, stats_list);
518 list_del_init(&msta->stats_list);
519
520 if (msta->wcid.idx != event->wlan_idx)
521 continue;
522
523 spin_unlock_bh(&dev->sta_poll_lock);
524
525 sta = wcid_to_sta(&msta->wcid);
526
527
528 memset(&peer, 0x0, sizeof(peer));
529 peer.bw = event->bw;
530 peer.g2 = !!(sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20);
531 peer.g4 = !!(sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40);
532 peer.g8 = !!(sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80);
533 peer.g16 = !!(sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_160);
534 mt7921_mcu_tx_rate_parse(mphy->mt76, &peer,
535 &msta->stats.tx_rate, event->tx_rate);
536
537 spin_lock_bh(&dev->sta_poll_lock);
538 break;
539 }
540 spin_unlock_bh(&dev->sta_poll_lock);
541}
542
543static void
544mt7921_mcu_rx_unsolicited_event(struct mt7921_dev *dev, struct sk_buff *skb)
545{
546 struct mt7921_mcu_rxd *rxd = (struct mt7921_mcu_rxd *)skb->data;
547
548 switch (rxd->eid) {
549 case MCU_EVENT_BSS_BEACON_LOSS:
550 mt7921_mcu_connection_loss_event(dev, skb);
551 break;
552 case MCU_EVENT_SCHED_SCAN_DONE:
553 case MCU_EVENT_SCAN_DONE:
554 mt7921_mcu_scan_event(dev, skb);
555 return;
556 case MCU_EVENT_BSS_ABSENCE:
557 mt7921_mcu_bss_event(dev, skb);
558 break;
559 case MCU_EVENT_DBG_MSG:
560 mt7921_mcu_debug_msg_event(dev, skb);
561 break;
562 case MCU_EVENT_COREDUMP:
563 mt76_connac_mcu_coredump_event(&dev->mt76, skb,
564 &dev->coredump);
565 return;
566 case MCU_EVENT_LP_INFO:
567 mt7921_mcu_low_power_event(dev, skb);
568 break;
569 case MCU_EVENT_TX_DONE:
570 mt7921_mcu_tx_done_event(dev, skb);
571 break;
572 default:
573 break;
574 }
575 dev_kfree_skb(skb);
576}
577
578void mt7921_mcu_rx_event(struct mt7921_dev *dev, struct sk_buff *skb)
579{
580 struct mt7921_mcu_rxd *rxd = (struct mt7921_mcu_rxd *)skb->data;
581
582 if (rxd->eid == 0x6) {
583 mt76_mcu_rx_event(&dev->mt76, skb);
584 return;
585 }
586
587 if (rxd->ext_eid == MCU_EXT_EVENT_RATE_REPORT ||
588 rxd->eid == MCU_EVENT_BSS_BEACON_LOSS ||
589 rxd->eid == MCU_EVENT_SCHED_SCAN_DONE ||
590 rxd->eid == MCU_EVENT_BSS_ABSENCE ||
591 rxd->eid == MCU_EVENT_SCAN_DONE ||
592 rxd->eid == MCU_EVENT_TX_DONE ||
593 rxd->eid == MCU_EVENT_DBG_MSG ||
594 rxd->eid == MCU_EVENT_COREDUMP ||
595 rxd->eid == MCU_EVENT_LP_INFO ||
596 !rxd->seq)
597 mt7921_mcu_rx_unsolicited_event(dev, skb);
598 else
599 mt76_mcu_rx_event(&dev->mt76, skb);
600}
601
602
603static int
604mt7921_mcu_sta_key_tlv(struct mt7921_sta *msta, struct sk_buff *skb,
605 struct ieee80211_key_conf *key, enum set_key_cmd cmd)
606{
607 struct mt7921_sta_key_conf *bip = &msta->bip;
608 struct sta_rec_sec *sec;
609 struct tlv *tlv;
610 u32 len = sizeof(*sec);
611
612 tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_KEY_V2, sizeof(*sec));
613
614 sec = (struct sta_rec_sec *)tlv;
615 sec->add = cmd;
616
617 if (cmd == SET_KEY) {
618 struct sec_key *sec_key;
619 u8 cipher;
620
621 cipher = mt7921_mcu_get_cipher(key->cipher);
622 if (cipher == MT_CIPHER_NONE)
623 return -EOPNOTSUPP;
624
625 sec_key = &sec->key[0];
626 sec_key->cipher_len = sizeof(*sec_key);
627
628 if (cipher == MCU_CIPHER_BIP_CMAC_128) {
629 sec_key->cipher_id = MCU_CIPHER_AES_CCMP;
630 sec_key->key_id = bip->keyidx;
631 sec_key->key_len = 16;
632 memcpy(sec_key->key, bip->key, 16);
633
634 sec_key = &sec->key[1];
635 sec_key->cipher_id = MCU_CIPHER_BIP_CMAC_128;
636 sec_key->cipher_len = sizeof(*sec_key);
637 sec_key->key_len = 16;
638 memcpy(sec_key->key, key->key, 16);
639
640 sec->n_cipher = 2;
641 } else {
642 sec_key->cipher_id = cipher;
643 sec_key->key_id = key->keyidx;
644 sec_key->key_len = key->keylen;
645 memcpy(sec_key->key, key->key, key->keylen);
646
647 if (cipher == MCU_CIPHER_TKIP) {
648
649 memcpy(sec_key->key + 16, key->key + 24, 8);
650 memcpy(sec_key->key + 24, key->key + 16, 8);
651 }
652
653
654 if (cipher == MCU_CIPHER_AES_CCMP) {
655 memcpy(bip->key, key->key, key->keylen);
656 bip->keyidx = key->keyidx;
657 }
658
659 len -= sizeof(*sec_key);
660 sec->n_cipher = 1;
661 }
662 } else {
663 len -= sizeof(sec->key);
664 sec->n_cipher = 0;
665 }
666 sec->len = cpu_to_le16(len);
667
668 return 0;
669}
670
671int mt7921_mcu_add_key(struct mt7921_dev *dev, struct ieee80211_vif *vif,
672 struct mt7921_sta *msta, struct ieee80211_key_conf *key,
673 enum set_key_cmd cmd)
674{
675 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
676 struct sk_buff *skb;
677 int ret;
678
679 skb = mt76_connac_mcu_alloc_sta_req(&dev->mt76, &mvif->mt76,
680 &msta->wcid);
681 if (IS_ERR(skb))
682 return PTR_ERR(skb);
683
684 ret = mt7921_mcu_sta_key_tlv(msta, skb, key, cmd);
685 if (ret)
686 return ret;
687
688 return mt76_mcu_skb_send_msg(&dev->mt76, skb,
689 MCU_UNI_CMD_STA_REC_UPDATE, true);
690}
691
692int mt7921_mcu_uni_tx_ba(struct mt7921_dev *dev,
693 struct ieee80211_ampdu_params *params,
694 bool enable)
695{
696 struct mt7921_sta *msta = (struct mt7921_sta *)params->sta->drv_priv;
697
698 if (enable && !params->amsdu)
699 msta->wcid.amsdu = false;
700
701 return mt76_connac_mcu_sta_ba(&dev->mt76, &msta->vif->mt76, params,
702 enable, true);
703}
704
705int mt7921_mcu_uni_rx_ba(struct mt7921_dev *dev,
706 struct ieee80211_ampdu_params *params,
707 bool enable)
708{
709 struct mt7921_sta *msta = (struct mt7921_sta *)params->sta->drv_priv;
710
711 return mt76_connac_mcu_sta_ba(&dev->mt76, &msta->vif->mt76, params,
712 enable, false);
713}
714
715static int mt7921_mcu_restart(struct mt76_dev *dev)
716{
717 struct {
718 u8 power_mode;
719 u8 rsv[3];
720 } req = {
721 .power_mode = 1,
722 };
723
724 return mt76_mcu_send_msg(dev, MCU_CMD_NIC_POWER_CTRL, &req,
725 sizeof(req), false);
726}
727
728static int mt7921_driver_own(struct mt7921_dev *dev)
729{
730 u32 reg = mt7921_reg_map_l1(dev, MT_TOP_LPCR_HOST_BAND0);
731
732 mt76_wr(dev, reg, MT_TOP_LPCR_HOST_DRV_OWN);
733 if (!mt76_poll_msec(dev, reg, MT_TOP_LPCR_HOST_FW_OWN,
734 0, 500)) {
735 dev_err(dev->mt76.dev, "Timeout for driver own\n");
736 return -EIO;
737 }
738
739 return 0;
740}
741
742static int mt7921_load_patch(struct mt7921_dev *dev)
743{
744 const struct mt7921_patch_hdr *hdr;
745 const struct firmware *fw = NULL;
746 int i, ret, sem;
747
748 sem = mt76_connac_mcu_patch_sem_ctrl(&dev->mt76, true);
749 switch (sem) {
750 case PATCH_IS_DL:
751 return 0;
752 case PATCH_NOT_DL_SEM_SUCCESS:
753 break;
754 default:
755 dev_err(dev->mt76.dev, "Failed to get patch semaphore\n");
756 return -EAGAIN;
757 }
758
759 ret = request_firmware(&fw, MT7921_ROM_PATCH, dev->mt76.dev);
760 if (ret)
761 goto out;
762
763 if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
764 dev_err(dev->mt76.dev, "Invalid firmware\n");
765 ret = -EINVAL;
766 goto out;
767 }
768
769 hdr = (const struct mt7921_patch_hdr *)(fw->data);
770
771 dev_info(dev->mt76.dev, "HW/SW Version: 0x%x, Build Time: %.16s\n",
772 be32_to_cpu(hdr->hw_sw_ver), hdr->build_date);
773
774 for (i = 0; i < be32_to_cpu(hdr->desc.n_region); i++) {
775 struct mt7921_patch_sec *sec;
776 const u8 *dl;
777 u32 len, addr;
778
779 sec = (struct mt7921_patch_sec *)(fw->data + sizeof(*hdr) +
780 i * sizeof(*sec));
781 if ((be32_to_cpu(sec->type) & PATCH_SEC_TYPE_MASK) !=
782 PATCH_SEC_TYPE_INFO) {
783 ret = -EINVAL;
784 goto out;
785 }
786
787 addr = be32_to_cpu(sec->info.addr);
788 len = be32_to_cpu(sec->info.len);
789 dl = fw->data + be32_to_cpu(sec->offs);
790
791 ret = mt76_connac_mcu_init_download(&dev->mt76, addr, len,
792 DL_MODE_NEED_RSP);
793 if (ret) {
794 dev_err(dev->mt76.dev, "Download request failed\n");
795 goto out;
796 }
797
798 ret = mt76_mcu_send_firmware(&dev->mt76, MCU_CMD_FW_SCATTER,
799 dl, len);
800 if (ret) {
801 dev_err(dev->mt76.dev, "Failed to send patch\n");
802 goto out;
803 }
804 }
805
806 ret = mt76_connac_mcu_start_patch(&dev->mt76);
807 if (ret)
808 dev_err(dev->mt76.dev, "Failed to start patch\n");
809
810out:
811 sem = mt76_connac_mcu_patch_sem_ctrl(&dev->mt76, false);
812 switch (sem) {
813 case PATCH_REL_SEM_SUCCESS:
814 break;
815 default:
816 ret = -EAGAIN;
817 dev_err(dev->mt76.dev, "Failed to release patch semaphore\n");
818 goto out;
819 }
820 release_firmware(fw);
821
822 return ret;
823}
824
825static u32 mt7921_mcu_gen_dl_mode(u8 feature_set, bool is_wa)
826{
827 u32 ret = 0;
828
829 ret |= (feature_set & FW_FEATURE_SET_ENCRYPT) ?
830 (DL_MODE_ENCRYPT | DL_MODE_RESET_SEC_IV) : 0;
831 ret |= (feature_set & FW_FEATURE_ENCRY_MODE) ?
832 DL_CONFIG_ENCRY_MODE_SEL : 0;
833 ret |= FIELD_PREP(DL_MODE_KEY_IDX,
834 FIELD_GET(FW_FEATURE_SET_KEY_IDX, feature_set));
835 ret |= DL_MODE_NEED_RSP;
836 ret |= is_wa ? DL_MODE_WORKING_PDA_CR4 : 0;
837
838 return ret;
839}
840
841static int
842mt7921_mcu_send_ram_firmware(struct mt7921_dev *dev,
843 const struct mt7921_fw_trailer *hdr,
844 const u8 *data, bool is_wa)
845{
846 int i, offset = 0;
847 u32 override = 0, option = 0;
848
849 for (i = 0; i < hdr->n_region; i++) {
850 const struct mt7921_fw_region *region;
851 int err;
852 u32 len, addr, mode;
853
854 region = (const struct mt7921_fw_region *)((const u8 *)hdr -
855 (hdr->n_region - i) * sizeof(*region));
856 mode = mt7921_mcu_gen_dl_mode(region->feature_set, is_wa);
857 len = le32_to_cpu(region->len);
858 addr = le32_to_cpu(region->addr);
859
860 if (region->feature_set & FW_FEATURE_OVERRIDE_ADDR)
861 override = addr;
862
863 err = mt76_connac_mcu_init_download(&dev->mt76, addr, len,
864 mode);
865 if (err) {
866 dev_err(dev->mt76.dev, "Download request failed\n");
867 return err;
868 }
869
870 err = mt76_mcu_send_firmware(&dev->mt76, MCU_CMD_FW_SCATTER,
871 data + offset, len);
872 if (err) {
873 dev_err(dev->mt76.dev, "Failed to send firmware.\n");
874 return err;
875 }
876
877 offset += len;
878 }
879
880 if (override)
881 option |= FW_START_OVERRIDE;
882
883 if (is_wa)
884 option |= FW_START_WORKING_PDA_CR4;
885
886 return mt76_connac_mcu_start_firmware(&dev->mt76, override, option);
887}
888
889static int mt7921_load_ram(struct mt7921_dev *dev)
890{
891 const struct mt7921_fw_trailer *hdr;
892 const struct firmware *fw;
893 int ret;
894
895 ret = request_firmware(&fw, MT7921_FIRMWARE_WM, dev->mt76.dev);
896 if (ret)
897 return ret;
898
899 if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
900 dev_err(dev->mt76.dev, "Invalid firmware\n");
901 ret = -EINVAL;
902 goto out;
903 }
904
905 hdr = (const struct mt7921_fw_trailer *)(fw->data + fw->size -
906 sizeof(*hdr));
907
908 dev_info(dev->mt76.dev, "WM Firmware Version: %.10s, Build Time: %.15s\n",
909 hdr->fw_ver, hdr->build_date);
910
911 ret = mt7921_mcu_send_ram_firmware(dev, hdr, fw->data, false);
912 if (ret) {
913 dev_err(dev->mt76.dev, "Failed to start WM firmware\n");
914 goto out;
915 }
916
917 snprintf(dev->mt76.hw->wiphy->fw_version,
918 sizeof(dev->mt76.hw->wiphy->fw_version),
919 "%.10s-%.15s", hdr->fw_ver, hdr->build_date);
920
921out:
922 release_firmware(fw);
923
924 return ret;
925}
926
927static int mt7921_load_firmware(struct mt7921_dev *dev)
928{
929 int ret;
930
931 ret = mt76_get_field(dev, MT_CONN_ON_MISC, MT_TOP_MISC2_FW_N9_RDY);
932 if (ret) {
933 dev_dbg(dev->mt76.dev, "Firmware is already download\n");
934 goto fw_loaded;
935 }
936
937 ret = mt7921_load_patch(dev);
938 if (ret)
939 return ret;
940
941 ret = mt7921_load_ram(dev);
942 if (ret)
943 return ret;
944
945 if (!mt76_poll_msec(dev, MT_CONN_ON_MISC, MT_TOP_MISC2_FW_N9_RDY,
946 MT_TOP_MISC2_FW_N9_RDY, 1500)) {
947 dev_err(dev->mt76.dev, "Timeout for initializing firmware\n");
948
949 return -EIO;
950 }
951
952fw_loaded:
953 mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_FWDL], false);
954
955#ifdef CONFIG_PM
956 dev->mt76.hw->wiphy->wowlan = &mt76_connac_wowlan_support;
957#endif
958
959 dev_err(dev->mt76.dev, "Firmware init done\n");
960
961 return 0;
962}
963
964int mt7921_mcu_fw_log_2_host(struct mt7921_dev *dev, u8 ctrl)
965{
966 struct {
967 u8 ctrl_val;
968 u8 pad[3];
969 } data = {
970 .ctrl_val = ctrl
971 };
972
973 return mt76_mcu_send_msg(&dev->mt76, MCU_CMD_FWLOG_2_HOST, &data,
974 sizeof(data), false);
975}
976
977int mt7921_run_firmware(struct mt7921_dev *dev)
978{
979 int err;
980
981 err = mt7921_driver_own(dev);
982 if (err)
983 return err;
984
985 err = mt7921_load_firmware(dev);
986 if (err)
987 return err;
988
989 set_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state);
990 mt7921_mcu_fw_log_2_host(dev, 1);
991
992 return mt76_connac_mcu_get_nic_capability(&dev->mphy);
993}
994
995int mt7921_mcu_init(struct mt7921_dev *dev)
996{
997 static const struct mt76_mcu_ops mt7921_mcu_ops = {
998 .headroom = sizeof(struct mt7921_mcu_txd),
999 .mcu_skb_send_msg = mt7921_mcu_send_message,
1000 .mcu_parse_response = mt7921_mcu_parse_response,
1001 .mcu_restart = mt7921_mcu_restart,
1002 };
1003
1004 dev->mt76.mcu_ops = &mt7921_mcu_ops;
1005
1006 return mt7921_run_firmware(dev);
1007}
1008
1009void mt7921_mcu_exit(struct mt7921_dev *dev)
1010{
1011 mt7921_wfsys_reset(dev);
1012 skb_queue_purge(&dev->mt76.mcu.res_q);
1013}
1014
1015int mt7921_mcu_set_tx(struct mt7921_dev *dev, struct ieee80211_vif *vif)
1016{
1017#define WMM_AIFS_SET BIT(0)
1018#define WMM_CW_MIN_SET BIT(1)
1019#define WMM_CW_MAX_SET BIT(2)
1020#define WMM_TXOP_SET BIT(3)
1021#define WMM_PARAM_SET GENMASK(3, 0)
1022#define TX_CMD_MODE 1
1023 struct edca {
1024 u8 queue;
1025 u8 set;
1026 u8 aifs;
1027 u8 cw_min;
1028 __le16 cw_max;
1029 __le16 txop;
1030 };
1031 struct mt7921_mcu_tx {
1032 u8 total;
1033 u8 action;
1034 u8 valid;
1035 u8 mode;
1036
1037 struct edca edca[IEEE80211_NUM_ACS];
1038 } __packed req = {
1039 .valid = true,
1040 .mode = TX_CMD_MODE,
1041 .total = IEEE80211_NUM_ACS,
1042 };
1043 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
1044 int ac;
1045
1046 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
1047 struct ieee80211_tx_queue_params *q = &mvif->queue_params[ac];
1048 struct edca *e = &req.edca[ac];
1049
1050 e->set = WMM_PARAM_SET;
1051 e->queue = ac + mvif->mt76.wmm_idx * MT7921_MAX_WMM_SETS;
1052 e->aifs = q->aifs;
1053 e->txop = cpu_to_le16(q->txop);
1054
1055 if (q->cw_min)
1056 e->cw_min = fls(q->cw_min);
1057 else
1058 e->cw_min = 5;
1059
1060 if (q->cw_max)
1061 e->cw_max = cpu_to_le16(fls(q->cw_max));
1062 else
1063 e->cw_max = cpu_to_le16(10);
1064 }
1065 return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_EDCA_UPDATE, &req,
1066 sizeof(req), true);
1067}
1068
1069int mt7921_mcu_set_chan_info(struct mt7921_phy *phy, int cmd)
1070{
1071 struct mt7921_dev *dev = phy->dev;
1072 struct cfg80211_chan_def *chandef = &phy->mt76->chandef;
1073 int freq1 = chandef->center_freq1;
1074 struct {
1075 u8 control_ch;
1076 u8 center_ch;
1077 u8 bw;
1078 u8 tx_streams_num;
1079 u8 rx_streams;
1080 u8 switch_reason;
1081 u8 band_idx;
1082 u8 center_ch2;
1083 __le16 cac_case;
1084 u8 channel_band;
1085 u8 rsv0;
1086 __le32 outband_freq;
1087 u8 txpower_drop;
1088 u8 ap_bw;
1089 u8 ap_center_ch;
1090 u8 rsv1[57];
1091 } __packed req = {
1092 .control_ch = chandef->chan->hw_value,
1093 .center_ch = ieee80211_frequency_to_channel(freq1),
1094 .bw = mt7921_mcu_chan_bw(chandef),
1095 .tx_streams_num = hweight8(phy->mt76->antenna_mask),
1096 .rx_streams = phy->mt76->antenna_mask,
1097 .band_idx = phy != &dev->phy,
1098 .channel_band = chandef->chan->band,
1099 };
1100
1101 if (dev->mt76.hw->conf.flags & IEEE80211_CONF_OFFCHANNEL)
1102 req.switch_reason = CH_SWITCH_SCAN_BYPASS_DPD;
1103 else if ((chandef->chan->flags & IEEE80211_CHAN_RADAR) &&
1104 chandef->chan->dfs_state != NL80211_DFS_AVAILABLE)
1105 req.switch_reason = CH_SWITCH_DFS;
1106 else
1107 req.switch_reason = CH_SWITCH_NORMAL;
1108
1109 if (cmd == MCU_EXT_CMD_CHANNEL_SWITCH)
1110 req.rx_streams = hweight8(req.rx_streams);
1111
1112 if (chandef->width == NL80211_CHAN_WIDTH_80P80) {
1113 int freq2 = chandef->center_freq2;
1114
1115 req.center_ch2 = ieee80211_frequency_to_channel(freq2);
1116 }
1117
1118 return mt76_mcu_send_msg(&dev->mt76, cmd, &req, sizeof(req), true);
1119}
1120
1121int mt7921_mcu_set_eeprom(struct mt7921_dev *dev)
1122{
1123 struct req_hdr {
1124 u8 buffer_mode;
1125 u8 format;
1126 __le16 len;
1127 } __packed req = {
1128 .buffer_mode = EE_MODE_EFUSE,
1129 .format = EE_FORMAT_WHOLE,
1130 };
1131
1132 return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_EFUSE_BUFFER_MODE,
1133 &req, sizeof(req), true);
1134}
1135
1136int mt7921_mcu_get_eeprom(struct mt7921_dev *dev, u32 offset)
1137{
1138 struct mt7921_mcu_eeprom_info req = {
1139 .addr = cpu_to_le32(round_down(offset, 16)),
1140 };
1141 struct mt7921_mcu_eeprom_info *res;
1142 struct sk_buff *skb;
1143 int ret;
1144 u8 *buf;
1145
1146 ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_EXT_CMD_EFUSE_ACCESS, &req,
1147 sizeof(req), true, &skb);
1148 if (ret)
1149 return ret;
1150
1151 res = (struct mt7921_mcu_eeprom_info *)skb->data;
1152 buf = dev->mt76.eeprom.data + le32_to_cpu(res->addr);
1153 memcpy(buf, res->data, 16);
1154 dev_kfree_skb(skb);
1155
1156 return 0;
1157}
1158
1159int mt7921_mcu_uni_bss_ps(struct mt7921_dev *dev, struct ieee80211_vif *vif)
1160{
1161 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
1162 struct {
1163 struct {
1164 u8 bss_idx;
1165 u8 pad[3];
1166 } __packed hdr;
1167 struct ps_tlv {
1168 __le16 tag;
1169 __le16 len;
1170 u8 ps_state;
1171
1172
1173
1174
1175
1176 u8 pad[3];
1177 } __packed ps;
1178 } __packed ps_req = {
1179 .hdr = {
1180 .bss_idx = mvif->mt76.idx,
1181 },
1182 .ps = {
1183 .tag = cpu_to_le16(UNI_BSS_INFO_PS),
1184 .len = cpu_to_le16(sizeof(struct ps_tlv)),
1185 .ps_state = vif->bss_conf.ps ? 2 : 0,
1186 },
1187 };
1188
1189 if (vif->type != NL80211_IFTYPE_STATION)
1190 return -EOPNOTSUPP;
1191
1192 return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD_BSS_INFO_UPDATE,
1193 &ps_req, sizeof(ps_req), true);
1194}
1195
1196int mt7921_mcu_uni_bss_bcnft(struct mt7921_dev *dev, struct ieee80211_vif *vif,
1197 bool enable)
1198{
1199 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
1200 struct {
1201 struct {
1202 u8 bss_idx;
1203 u8 pad[3];
1204 } __packed hdr;
1205 struct bcnft_tlv {
1206 __le16 tag;
1207 __le16 len;
1208 __le16 bcn_interval;
1209 u8 dtim_period;
1210 u8 pad;
1211 } __packed bcnft;
1212 } __packed bcnft_req = {
1213 .hdr = {
1214 .bss_idx = mvif->mt76.idx,
1215 },
1216 .bcnft = {
1217 .tag = cpu_to_le16(UNI_BSS_INFO_BCNFT),
1218 .len = cpu_to_le16(sizeof(struct bcnft_tlv)),
1219 .bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int),
1220 .dtim_period = vif->bss_conf.dtim_period,
1221 },
1222 };
1223
1224 if (vif->type != NL80211_IFTYPE_STATION)
1225 return 0;
1226
1227 return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD_BSS_INFO_UPDATE,
1228 &bcnft_req, sizeof(bcnft_req), true);
1229}
1230
1231int mt7921_mcu_set_bss_pm(struct mt7921_dev *dev, struct ieee80211_vif *vif,
1232 bool enable)
1233{
1234 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
1235 struct {
1236 u8 bss_idx;
1237 u8 dtim_period;
1238 __le16 aid;
1239 __le16 bcn_interval;
1240 __le16 atim_window;
1241 u8 uapsd;
1242 u8 bmc_delivered_ac;
1243 u8 bmc_triggered_ac;
1244 u8 pad;
1245 } req = {
1246 .bss_idx = mvif->mt76.idx,
1247 .aid = cpu_to_le16(vif->bss_conf.aid),
1248 .dtim_period = vif->bss_conf.dtim_period,
1249 .bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int),
1250 };
1251 struct {
1252 u8 bss_idx;
1253 u8 pad[3];
1254 } req_hdr = {
1255 .bss_idx = mvif->mt76.idx,
1256 };
1257 int err;
1258
1259 if (vif->type != NL80211_IFTYPE_STATION)
1260 return 0;
1261
1262 err = mt76_mcu_send_msg(&dev->mt76, MCU_CMD_SET_BSS_ABORT, &req_hdr,
1263 sizeof(req_hdr), false);
1264 if (err < 0 || !enable)
1265 return err;
1266
1267 return mt76_mcu_send_msg(&dev->mt76, MCU_CMD_SET_BSS_CONNECTED, &req,
1268 sizeof(req), false);
1269}
1270
1271int mt7921_mcu_sta_update(struct mt7921_dev *dev, struct ieee80211_sta *sta,
1272 struct ieee80211_vif *vif, bool enable,
1273 enum mt76_sta_info_state state)
1274{
1275 struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
1276 int rssi = -ewma_rssi_read(&mvif->rssi);
1277 struct mt76_sta_cmd_info info = {
1278 .sta = sta,
1279 .vif = vif,
1280 .enable = enable,
1281 .cmd = MCU_UNI_CMD_STA_REC_UPDATE,
1282 .state = state,
1283 .offload_fw = true,
1284 .rcpi = to_rcpi(rssi),
1285 };
1286 struct mt7921_sta *msta;
1287
1288 msta = sta ? (struct mt7921_sta *)sta->drv_priv : NULL;
1289 info.wcid = msta ? &msta->wcid : &mvif->sta.wcid;
1290 info.newly = msta ? state != MT76_STA_INFO_STATE_ASSOC : true;
1291
1292 return mt76_connac_mcu_sta_cmd(&dev->mphy, &info);
1293}
1294
1295int __mt7921_mcu_drv_pmctrl(struct mt7921_dev *dev)
1296{
1297 struct mt76_phy *mphy = &dev->mt76.phy;
1298 struct mt76_connac_pm *pm = &dev->pm;
1299 int i, err = 0;
1300
1301 for (i = 0; i < MT7921_DRV_OWN_RETRY_COUNT; i++) {
1302 mt76_wr(dev, MT_CONN_ON_LPCTL, PCIE_LPCR_HOST_CLR_OWN);
1303 if (mt76_poll_msec(dev, MT_CONN_ON_LPCTL,
1304 PCIE_LPCR_HOST_OWN_SYNC, 0, 50))
1305 break;
1306 }
1307
1308 if (i == MT7921_DRV_OWN_RETRY_COUNT) {
1309 dev_err(dev->mt76.dev, "driver own failed\n");
1310 err = -EIO;
1311 goto out;
1312 }
1313
1314 mt7921_wpdma_reinit_cond(dev);
1315 clear_bit(MT76_STATE_PM, &mphy->state);
1316
1317 pm->stats.last_wake_event = jiffies;
1318 pm->stats.doze_time += pm->stats.last_wake_event -
1319 pm->stats.last_doze_event;
1320out:
1321 return err;
1322}
1323
1324int mt7921_mcu_drv_pmctrl(struct mt7921_dev *dev)
1325{
1326 struct mt76_phy *mphy = &dev->mt76.phy;
1327 struct mt76_connac_pm *pm = &dev->pm;
1328 int err = 0;
1329
1330 mutex_lock(&pm->mutex);
1331
1332 if (!test_bit(MT76_STATE_PM, &mphy->state))
1333 goto out;
1334
1335 err = __mt7921_mcu_drv_pmctrl(dev);
1336out:
1337 mutex_unlock(&pm->mutex);
1338
1339 if (err)
1340 mt7921_reset(&dev->mt76);
1341
1342 return err;
1343}
1344
1345int mt7921_mcu_fw_pmctrl(struct mt7921_dev *dev)
1346{
1347 struct mt76_phy *mphy = &dev->mt76.phy;
1348 struct mt76_connac_pm *pm = &dev->pm;
1349 int i, err = 0;
1350
1351 mutex_lock(&pm->mutex);
1352
1353 if (mt76_connac_skip_fw_pmctrl(mphy, pm))
1354 goto out;
1355
1356 for (i = 0; i < MT7921_DRV_OWN_RETRY_COUNT; i++) {
1357 mt76_wr(dev, MT_CONN_ON_LPCTL, PCIE_LPCR_HOST_SET_OWN);
1358 if (mt76_poll_msec(dev, MT_CONN_ON_LPCTL,
1359 PCIE_LPCR_HOST_OWN_SYNC, 4, 50))
1360 break;
1361 }
1362
1363 if (i == MT7921_DRV_OWN_RETRY_COUNT) {
1364 dev_err(dev->mt76.dev, "firmware own failed\n");
1365 clear_bit(MT76_STATE_PM, &mphy->state);
1366 err = -EIO;
1367 }
1368
1369 pm->stats.last_doze_event = jiffies;
1370 pm->stats.awake_time += pm->stats.last_doze_event -
1371 pm->stats.last_wake_event;
1372out:
1373 mutex_unlock(&pm->mutex);
1374
1375 if (err)
1376 mt7921_reset(&dev->mt76);
1377
1378 return err;
1379}
1380
1381void
1382mt7921_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif)
1383{
1384 struct mt7921_phy *phy = priv;
1385 struct mt7921_dev *dev = phy->dev;
1386 struct ieee80211_hw *hw = mt76_hw(dev);
1387 int ret;
1388
1389 if (dev->pm.enable)
1390 ret = mt7921_mcu_uni_bss_bcnft(dev, vif, true);
1391 else
1392 ret = mt7921_mcu_set_bss_pm(dev, vif, false);
1393
1394 if (ret)
1395 return;
1396
1397 if (dev->pm.enable) {
1398 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
1399 ieee80211_hw_set(hw, CONNECTION_MONITOR);
1400 mt76_set(dev, MT_WF_RFCR(0), MT_WF_RFCR_DROP_OTHER_BEACON);
1401 } else {
1402 vif->driver_flags &= ~IEEE80211_VIF_BEACON_FILTER;
1403 __clear_bit(IEEE80211_HW_CONNECTION_MONITOR, hw->flags);
1404 mt76_clear(dev, MT_WF_RFCR(0), MT_WF_RFCR_DROP_OTHER_BEACON);
1405 }
1406}
1407
1408int mt7921_get_txpwr_info(struct mt7921_dev *dev, struct mt7921_txpwr *txpwr)
1409{
1410 struct mt7921_txpwr_event *event;
1411 struct mt7921_txpwr_req req = {
1412 .dbdc_idx = 0,
1413 };
1414 struct sk_buff *skb;
1415 int ret;
1416
1417 ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_CMD_GET_TXPWR,
1418 &req, sizeof(req), true, &skb);
1419 if (ret)
1420 return ret;
1421
1422 event = (struct mt7921_txpwr_event *)skb->data;
1423 WARN_ON(skb->len != le16_to_cpu(event->len));
1424 memcpy(txpwr, &event->txpwr, sizeof(event->txpwr));
1425
1426 dev_kfree_skb(skb);
1427
1428 return 0;
1429}
1430
