1
2
3
4#include <linux/etherdevice.h>
5#include "mt7915.h"
6#include "mac.h"
7#include "eeprom.h"
8
9static void
10mt7915_mac_init_band(struct mt7915_dev *dev, u8 band)
11{
12 u32 mask, set;
13
14 mt76_rmw_field(dev, MT_TMAC_CTCR0(band),
15 MT_TMAC_CTCR0_INS_DDLMT_REFTIME, 0x3f);
16 mt76_set(dev, MT_TMAC_CTCR0(band),
17 MT_TMAC_CTCR0_INS_DDLMT_VHT_SMPDU_EN |
18 MT_TMAC_CTCR0_INS_DDLMT_EN);
19
20 mask = MT_MDP_RCFR0_MCU_RX_MGMT |
21 MT_MDP_RCFR0_MCU_RX_CTL_NON_BAR |
22 MT_MDP_RCFR0_MCU_RX_CTL_BAR;
23 set = FIELD_PREP(MT_MDP_RCFR0_MCU_RX_MGMT, MT_MDP_TO_HIF) |
24 FIELD_PREP(MT_MDP_RCFR0_MCU_RX_CTL_NON_BAR, MT_MDP_TO_HIF) |
25 FIELD_PREP(MT_MDP_RCFR0_MCU_RX_CTL_BAR, MT_MDP_TO_HIF);
26 mt76_rmw(dev, MT_MDP_BNRCFR0(band), mask, set);
27
28 mask = MT_MDP_RCFR1_MCU_RX_BYPASS |
29 MT_MDP_RCFR1_RX_DROPPED_UCAST |
30 MT_MDP_RCFR1_RX_DROPPED_MCAST;
31 set = FIELD_PREP(MT_MDP_RCFR1_MCU_RX_BYPASS, MT_MDP_TO_HIF) |
32 FIELD_PREP(MT_MDP_RCFR1_RX_DROPPED_UCAST, MT_MDP_TO_HIF) |
33 FIELD_PREP(MT_MDP_RCFR1_RX_DROPPED_MCAST, MT_MDP_TO_HIF);
34 mt76_rmw(dev, MT_MDP_BNRCFR1(band), mask, set);
35
36 mt76_set(dev, MT_WF_RMAC_MIB_TIME0(band), MT_WF_RMAC_MIB_RXTIME_EN);
37 mt76_set(dev, MT_WF_RMAC_MIB_AIRTIME0(band), MT_WF_RMAC_MIB_RXTIME_EN);
38}
39
40static void mt7915_mac_init(struct mt7915_dev *dev)
41{
42 int i;
43
44 mt76_rmw_field(dev, MT_DMA_DCR0, MT_DMA_DCR0_MAX_RX_LEN, 1536);
45 mt76_rmw_field(dev, MT_MDP_DCR1, MT_MDP_DCR1_MAX_RX_LEN, 1536);
46
47 mt76_set(dev, MT_DMA_DCR0, MT_DMA_DCR0_RXD_G5_EN);
48
49 mt76_clear(dev, MT_MDP_DCR0, MT_MDP_DCR0_DAMSDU_EN);
50
51 for (i = 0; i < MT7915_WTBL_SIZE; i++)
52 mt7915_mac_wtbl_update(dev, i,
53 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
54
55 mt7915_mac_init_band(dev, 0);
56 mt7915_mac_init_band(dev, 1);
57 mt7915_mcu_set_rts_thresh(&dev->phy, 0x92b);
58}
59
60static int mt7915_txbf_init(struct mt7915_dev *dev)
61{
62 int ret;
63
64
65
66
67
68
69
70
71 ret = mt7915_mcu_set_txbf_sounding(dev);
72 if (ret)
73 return ret;
74
75
76 return mt7915_mcu_set_txbf_type(dev);
77}
78
79static void
80mt7915_init_txpower_band(struct mt7915_dev *dev,
81 struct ieee80211_supported_band *sband)
82{
83 int i, n_chains = hweight8(dev->mphy.antenna_mask);
84
85 for (i = 0; i < sband->n_channels; i++) {
86 struct ieee80211_channel *chan = &sband->channels[i];
87 u32 target_power = 0;
88 int j;
89
90 for (j = 0; j < n_chains; j++) {
91 u32 val;
92
93 val = mt7915_eeprom_get_target_power(dev, chan, j);
94 target_power = max(target_power, val);
95 }
96
97 chan->max_power = min_t(int, chan->max_reg_power,
98 target_power / 2);
99 chan->orig_mpwr = target_power / 2;
100 }
101}
102
103static void mt7915_init_txpower(struct mt7915_dev *dev)
104{
105 mt7915_init_txpower_band(dev, &dev->mphy.sband_2g.sband);
106 mt7915_init_txpower_band(dev, &dev->mphy.sband_5g.sband);
107
108 mt7915_eeprom_init_sku(dev);
109}
110
111static void mt7915_init_work(struct work_struct *work)
112{
113 struct mt7915_dev *dev = container_of(work, struct mt7915_dev,
114 init_work);
115
116 mt7915_mcu_set_eeprom(dev);
117 mt7915_mac_init(dev);
118 mt7915_init_txpower(dev);
119 mt7915_txbf_init(dev);
120}
121
122static int mt7915_init_hardware(struct mt7915_dev *dev)
123{
124 int ret, idx;
125
126 mt76_wr(dev, MT_INT_SOURCE_CSR, ~0);
127
128 INIT_WORK(&dev->init_work, mt7915_init_work);
129 spin_lock_init(&dev->token_lock);
130 idr_init(&dev->token);
131
132 ret = mt7915_dma_init(dev);
133 if (ret)
134 return ret;
135
136 set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state);
137
138 ret = mt7915_mcu_init(dev);
139 if (ret)
140 return ret;
141
142 ret = mt7915_eeprom_init(dev);
143 if (ret < 0)
144 return ret;
145
146
147 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7915_WTBL_STA - 1);
148 if (idx)
149 return -ENOSPC;
150
151 dev->mt76.global_wcid.idx = idx;
152 dev->mt76.global_wcid.hw_key_idx = -1;
153 dev->mt76.global_wcid.tx_info |= MT_WCID_TX_INFO_SET;
154 rcu_assign_pointer(dev->mt76.wcid[idx], &dev->mt76.global_wcid);
155
156 return 0;
157}
158
159#define CCK_RATE(_idx, _rate) { \
160 .bitrate = _rate, \
161 .flags = IEEE80211_RATE_SHORT_PREAMBLE, \
162 .hw_value = (MT_PHY_TYPE_CCK << 8) | (_idx), \
163 .hw_value_short = (MT_PHY_TYPE_CCK << 8) | (4 + (_idx)), \
164}
165
166#define OFDM_RATE(_idx, _rate) { \
167 .bitrate = _rate, \
168 .hw_value = (MT_PHY_TYPE_OFDM << 8) | (_idx), \
169 .hw_value_short = (MT_PHY_TYPE_OFDM << 8) | (_idx), \
170}
171
172static struct ieee80211_rate mt7915_rates[] = {
173 CCK_RATE(0, 10),
174 CCK_RATE(1, 20),
175 CCK_RATE(2, 55),
176 CCK_RATE(3, 110),
177 OFDM_RATE(11, 60),
178 OFDM_RATE(15, 90),
179 OFDM_RATE(10, 120),
180 OFDM_RATE(14, 180),
181 OFDM_RATE(9, 240),
182 OFDM_RATE(13, 360),
183 OFDM_RATE(8, 480),
184 OFDM_RATE(12, 540),
185};
186
187static const struct ieee80211_iface_limit if_limits[] = {
188 {
189 .max = 1,
190 .types = BIT(NL80211_IFTYPE_ADHOC)
191 }, {
192 .max = MT7915_MAX_INTERFACES,
193 .types = BIT(NL80211_IFTYPE_AP) |
194#ifdef CONFIG_MAC80211_MESH
195 BIT(NL80211_IFTYPE_MESH_POINT) |
196#endif
197 BIT(NL80211_IFTYPE_STATION)
198 }
199};
200
201static const struct ieee80211_iface_combination if_comb[] = {
202 {
203 .limits = if_limits,
204 .n_limits = ARRAY_SIZE(if_limits),
205 .max_interfaces = 4,
206 .num_different_channels = 1,
207 .beacon_int_infra_match = true,
208 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
209 BIT(NL80211_CHAN_WIDTH_20) |
210 BIT(NL80211_CHAN_WIDTH_40) |
211 BIT(NL80211_CHAN_WIDTH_80) |
212 BIT(NL80211_CHAN_WIDTH_160) |
213 BIT(NL80211_CHAN_WIDTH_80P80),
214 }
215};
216
217static void
218mt7915_regd_notifier(struct wiphy *wiphy,
219 struct regulatory_request *request)
220{
221 struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
222 struct mt7915_dev *dev = mt7915_hw_dev(hw);
223 struct mt76_phy *mphy = hw->priv;
224 struct mt7915_phy *phy = mphy->priv;
225 struct cfg80211_chan_def *chandef = &mphy->chandef;
226
227 dev->mt76.region = request->dfs_region;
228
229 if (!(chandef->chan->flags & IEEE80211_CHAN_RADAR))
230 return;
231
232 mt7915_dfs_init_radar_detector(phy);
233}
234
235static void
236mt7915_init_wiphy(struct ieee80211_hw *hw)
237{
238 struct mt7915_phy *phy = mt7915_hw_phy(hw);
239 struct wiphy *wiphy = hw->wiphy;
240
241 hw->queues = 4;
242 hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;
243 hw->max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;
244
245 phy->slottime = 9;
246
247 hw->sta_data_size = sizeof(struct mt7915_sta);
248 hw->vif_data_size = sizeof(struct mt7915_vif);
249
250 wiphy->iface_combinations = if_comb;
251 wiphy->n_iface_combinations = ARRAY_SIZE(if_comb);
252 wiphy->reg_notifier = mt7915_regd_notifier;
253 wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
254
255 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_VHT_IBSS);
256
257 ieee80211_hw_set(hw, HAS_RATE_CONTROL);
258
259 hw->max_tx_fragments = 4;
260}
261
262void mt7915_set_stream_vht_txbf_caps(struct mt7915_phy *phy)
263{
264 int nss = hweight8(phy->chainmask);
265 u32 *cap = &phy->mt76->sband_5g.sband.vht_cap.cap;
266
267 *cap |= IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
268 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE |
269 (3 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT);
270
271 *cap &= ~(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK |
272 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
273 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE);
274
275 if (nss < 2)
276 return;
277
278 *cap |= IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
279 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE |
280 FIELD_PREP(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK,
281 nss - 1);
282}
283
284static void
285mt7915_set_stream_he_txbf_caps(struct ieee80211_sta_he_cap *he_cap,
286 int vif, int nss)
287{
288 struct ieee80211_he_cap_elem *elem = &he_cap->he_cap_elem;
289 struct ieee80211_he_mcs_nss_supp *mcs = &he_cap->he_mcs_nss_supp;
290 u8 c;
291
292#ifdef CONFIG_MAC80211_MESH
293 if (vif == NL80211_IFTYPE_MESH_POINT)
294 return;
295#endif
296
297 elem->phy_cap_info[3] &= ~IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER;
298 elem->phy_cap_info[4] &= ~IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER;
299
300 c = IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK |
301 IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK;
302 elem->phy_cap_info[5] &= ~c;
303
304 c = IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMER_FB |
305 IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMER_FB;
306 elem->phy_cap_info[6] &= ~c;
307
308 elem->phy_cap_info[7] &= ~IEEE80211_HE_PHY_CAP7_MAX_NC_MASK;
309
310 c = IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US |
311 IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO |
312 IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO;
313 elem->phy_cap_info[2] |= c;
314
315 c = IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE |
316 IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4 |
317 IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4;
318 elem->phy_cap_info[4] |= c;
319
320
321 c = IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU |
322 IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU;
323
324 if (vif == NL80211_IFTYPE_STATION)
325 c |= IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO;
326
327 elem->phy_cap_info[6] |= c;
328
329 if (nss < 2)
330 return;
331
332 if (vif != NL80211_IFTYPE_AP)
333 return;
334
335 elem->phy_cap_info[3] |= IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER;
336 elem->phy_cap_info[4] |= IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER;
337
338
339 c = (nss - 1) | (max_t(int, mcs->tx_mcs_160, 1) << 3);
340 elem->phy_cap_info[5] |= c;
341
342 c = IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMER_FB |
343 IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMER_FB;
344 elem->phy_cap_info[6] |= c;
345
346
347 elem->phy_cap_info[7] |= min_t(int, nss - 1, 2) << 3;
348}
349
350static void
351mt7915_gen_ppe_thresh(u8 *he_ppet)
352{
353 int ru, nss, max_nss = 1, max_ru = 3;
354 u8 bit = 7, ru_bit_mask = 0x7;
355 u8 ppet16_ppet8_ru3_ru0[] = {0x1c, 0xc7, 0x71};
356
357 he_ppet[0] = max_nss & IEEE80211_PPE_THRES_NSS_MASK;
358 he_ppet[0] |= (ru_bit_mask <<
359 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS) &
360 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK;
361
362 for (nss = 0; nss <= max_nss; nss++) {
363 for (ru = 0; ru < max_ru; ru++) {
364 u8 val;
365 int i;
366
367 if (!(ru_bit_mask & BIT(ru)))
368 continue;
369
370 val = (ppet16_ppet8_ru3_ru0[nss] >> (ru * 6)) &
371 0x3f;
372 val = ((val >> 3) & 0x7) | ((val & 0x7) << 3);
373 for (i = 5; i >= 0; i--) {
374 he_ppet[bit / 8] |=
375 ((val >> i) & 0x1) << ((bit % 8));
376 bit++;
377 }
378 }
379 }
380}
381
382static int
383mt7915_init_he_caps(struct mt7915_phy *phy, enum nl80211_band band,
384 struct ieee80211_sband_iftype_data *data)
385{
386 int i, idx = 0;
387 int nss = hweight8(phy->chainmask);
388 u16 mcs_map = 0;
389
390 for (i = 0; i < 8; i++) {
391 if (i < nss)
392 mcs_map |= (IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2));
393 else
394 mcs_map |= (IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2));
395 }
396
397 for (i = 0; i < NUM_NL80211_IFTYPES; i++) {
398 struct ieee80211_sta_he_cap *he_cap = &data[idx].he_cap;
399 struct ieee80211_he_cap_elem *he_cap_elem =
400 &he_cap->he_cap_elem;
401 struct ieee80211_he_mcs_nss_supp *he_mcs =
402 &he_cap->he_mcs_nss_supp;
403
404 switch (i) {
405 case NL80211_IFTYPE_STATION:
406 case NL80211_IFTYPE_AP:
407#ifdef CONFIG_MAC80211_MESH
408 case NL80211_IFTYPE_MESH_POINT:
409#endif
410 break;
411 default:
412 continue;
413 }
414
415 data[idx].types_mask = BIT(i);
416 he_cap->has_he = true;
417
418 he_cap_elem->mac_cap_info[0] =
419 IEEE80211_HE_MAC_CAP0_HTC_HE;
420 he_cap_elem->mac_cap_info[1] =
421 IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US |
422 IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1;
423 he_cap_elem->mac_cap_info[2] =
424 IEEE80211_HE_MAC_CAP2_BSR;
425 he_cap_elem->mac_cap_info[3] =
426 IEEE80211_HE_MAC_CAP3_OMI_CONTROL |
427 IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED;
428 he_cap_elem->mac_cap_info[4] =
429 IEEE80211_HE_MAC_CAP4_AMDSU_IN_AMPDU;
430
431 if (band == NL80211_BAND_2GHZ)
432 he_cap_elem->phy_cap_info[0] =
433 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G;
434 else if (band == NL80211_BAND_5GHZ)
435 he_cap_elem->phy_cap_info[0] =
436 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G |
437 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G |
438 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G;
439
440 he_cap_elem->phy_cap_info[1] =
441 IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD;
442 he_cap_elem->phy_cap_info[2] =
443 IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ |
444 IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ;
445
446
447
448 switch (i) {
449 case NL80211_IFTYPE_AP:
450 he_cap_elem->mac_cap_info[0] |=
451 IEEE80211_HE_MAC_CAP0_TWT_RES;
452 he_cap_elem->mac_cap_info[4] |=
453 IEEE80211_HE_MAC_CAP4_BQR;
454 he_cap_elem->phy_cap_info[3] |=
455 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK |
456 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK;
457 he_cap_elem->phy_cap_info[6] |=
458 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT;
459 he_cap_elem->phy_cap_info[9] |=
460 IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU;
461 break;
462 case NL80211_IFTYPE_STATION:
463 he_cap_elem->mac_cap_info[0] |=
464 IEEE80211_HE_MAC_CAP0_TWT_REQ;
465 he_cap_elem->mac_cap_info[3] |=
466 IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED;
467
468 if (band == NL80211_BAND_2GHZ)
469 he_cap_elem->phy_cap_info[0] |=
470 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G;
471 else if (band == NL80211_BAND_5GHZ)
472 he_cap_elem->phy_cap_info[0] |=
473 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G;
474
475 he_cap_elem->phy_cap_info[1] |=
476 IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A;
477 he_cap_elem->phy_cap_info[8] |=
478 IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G |
479 IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU |
480 IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU;
481 he_cap_elem->phy_cap_info[9] |=
482 IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU;
483 break;
484#ifdef CONFIG_MAC80211_MESH
485 case NL80211_IFTYPE_MESH_POINT:
486 break;
487#endif
488 }
489
490 he_mcs->rx_mcs_80 = cpu_to_le16(mcs_map);
491 he_mcs->tx_mcs_80 = cpu_to_le16(mcs_map);
492 he_mcs->rx_mcs_160 = cpu_to_le16(mcs_map);
493 he_mcs->tx_mcs_160 = cpu_to_le16(mcs_map);
494 he_mcs->rx_mcs_80p80 = cpu_to_le16(mcs_map);
495 he_mcs->tx_mcs_80p80 = cpu_to_le16(mcs_map);
496
497 mt7915_set_stream_he_txbf_caps(he_cap, i, nss);
498
499 memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres));
500 if (he_cap_elem->phy_cap_info[6] &
501 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
502 mt7915_gen_ppe_thresh(he_cap->ppe_thres);
503 } else {
504 he_cap_elem->phy_cap_info[9] |=
505 IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US;
506 }
507 idx++;
508 }
509
510 return idx;
511}
512
513void mt7915_set_stream_he_caps(struct mt7915_phy *phy)
514{
515 struct ieee80211_sband_iftype_data *data;
516 struct ieee80211_supported_band *band;
517 struct mt76_dev *mdev = &phy->dev->mt76;
518 int n;
519
520 if (mdev->cap.has_2ghz) {
521 data = phy->iftype[NL80211_BAND_2GHZ];
522 n = mt7915_init_he_caps(phy, NL80211_BAND_2GHZ, data);
523
524 band = &phy->mt76->sband_2g.sband;
525 band->iftype_data = data;
526 band->n_iftype_data = n;
527 }
528
529 if (mdev->cap.has_5ghz) {
530 data = phy->iftype[NL80211_BAND_5GHZ];
531 n = mt7915_init_he_caps(phy, NL80211_BAND_5GHZ, data);
532
533 band = &phy->mt76->sband_5g.sband;
534 band->iftype_data = data;
535 band->n_iftype_data = n;
536 }
537}
538
539static void
540mt7915_cap_dbdc_enable(struct mt7915_dev *dev)
541{
542 dev->mphy.sband_5g.sband.vht_cap.cap &=
543 ~(IEEE80211_VHT_CAP_SHORT_GI_160 |
544 IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ);
545
546 if (dev->chainmask == 0xf)
547 dev->mphy.antenna_mask = dev->chainmask >> 2;
548 else
549 dev->mphy.antenna_mask = dev->chainmask >> 1;
550
551 dev->phy.chainmask = dev->mphy.antenna_mask;
552 dev->mphy.hw->wiphy->available_antennas_rx = dev->phy.chainmask;
553 dev->mphy.hw->wiphy->available_antennas_tx = dev->phy.chainmask;
554
555 mt76_set_stream_caps(&dev->mphy, true);
556 mt7915_set_stream_vht_txbf_caps(&dev->phy);
557 mt7915_set_stream_he_caps(&dev->phy);
558}
559
560static void
561mt7915_cap_dbdc_disable(struct mt7915_dev *dev)
562{
563 dev->mphy.sband_5g.sband.vht_cap.cap |=
564 IEEE80211_VHT_CAP_SHORT_GI_160 |
565 IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
566
567 dev->mphy.antenna_mask = dev->chainmask;
568 dev->phy.chainmask = dev->chainmask;
569 dev->mphy.hw->wiphy->available_antennas_rx = dev->chainmask;
570 dev->mphy.hw->wiphy->available_antennas_tx = dev->chainmask;
571
572 mt76_set_stream_caps(&dev->mphy, true);
573 mt7915_set_stream_vht_txbf_caps(&dev->phy);
574 mt7915_set_stream_he_caps(&dev->phy);
575}
576
577int mt7915_register_ext_phy(struct mt7915_dev *dev)
578{
579 struct mt7915_phy *phy = mt7915_ext_phy(dev);
580 struct mt76_phy *mphy;
581 int ret;
582 bool bound;
583
584
585 bound = mt7915_l1_rr(dev, MT_HW_BOUND) & BIT(5);
586 if (!bound)
587 return -EINVAL;
588
589 if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state))
590 return -EINVAL;
591
592 if (phy)
593 return 0;
594
595 mt7915_cap_dbdc_enable(dev);
596 mphy = mt76_alloc_phy(&dev->mt76, sizeof(*phy), &mt7915_ops);
597 if (!mphy)
598 return -ENOMEM;
599
600 phy = mphy->priv;
601 phy->dev = dev;
602 phy->mt76 = mphy;
603 phy->chainmask = dev->chainmask & ~dev->phy.chainmask;
604 mphy->antenna_mask = BIT(hweight8(phy->chainmask)) - 1;
605 mt7915_init_wiphy(mphy->hw);
606
607 INIT_DELAYED_WORK(&phy->mac_work, mt7915_mac_work);
608
609
610
611
612
613 mphy->hw->wiphy->perm_addr[0] |= 2;
614 mphy->hw->wiphy->perm_addr[0] ^= BIT(7);
615
616
617 ieee80211_hw_set(mphy->hw, WANT_MONITOR_VIF);
618
619 ret = mt76_register_phy(mphy);
620 if (ret)
621 ieee80211_free_hw(mphy->hw);
622
623 return ret;
624}
625
626void mt7915_unregister_ext_phy(struct mt7915_dev *dev)
627{
628 struct mt7915_phy *phy = mt7915_ext_phy(dev);
629 struct mt76_phy *mphy = dev->mt76.phy2;
630
631 if (!phy)
632 return;
633
634 mt7915_cap_dbdc_disable(dev);
635 mt76_unregister_phy(mphy);
636 ieee80211_free_hw(mphy->hw);
637}
638
639int mt7915_register_device(struct mt7915_dev *dev)
640{
641 struct ieee80211_hw *hw = mt76_hw(dev);
642 int ret;
643
644 dev->phy.dev = dev;
645 dev->phy.mt76 = &dev->mt76.phy;
646 dev->mt76.phy.priv = &dev->phy;
647 INIT_DELAYED_WORK(&dev->phy.mac_work, mt7915_mac_work);
648 INIT_LIST_HEAD(&dev->sta_poll_list);
649 spin_lock_init(&dev->sta_poll_lock);
650
651 init_waitqueue_head(&dev->reset_wait);
652 INIT_WORK(&dev->reset_work, mt7915_mac_reset_work);
653
654 ret = mt7915_init_hardware(dev);
655 if (ret)
656 return ret;
657
658 mt7915_init_wiphy(hw);
659 dev->mphy.sband_2g.sband.ht_cap.cap |=
660 IEEE80211_HT_CAP_LDPC_CODING |
661 IEEE80211_HT_CAP_MAX_AMSDU;
662 dev->mphy.sband_5g.sband.ht_cap.cap |=
663 IEEE80211_HT_CAP_LDPC_CODING |
664 IEEE80211_HT_CAP_MAX_AMSDU;
665 dev->mphy.sband_5g.sband.vht_cap.cap |=
666 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 |
667 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK;
668 mt7915_cap_dbdc_disable(dev);
669 dev->phy.dfs_state = -1;
670
671 ret = mt76_register_device(&dev->mt76, true, mt7915_rates,
672 ARRAY_SIZE(mt7915_rates));
673 if (ret)
674 return ret;
675
676 ieee80211_queue_work(mt76_hw(dev), &dev->init_work);
677
678 return mt7915_init_debugfs(dev);
679}
680
681void mt7915_unregister_device(struct mt7915_dev *dev)
682{
683 struct mt76_txwi_cache *txwi;
684 int id;
685
686 mt7915_unregister_ext_phy(dev);
687 mt76_unregister_device(&dev->mt76);
688 mt7915_mcu_exit(dev);
689 mt7915_dma_cleanup(dev);
690
691 spin_lock_bh(&dev->token_lock);
692 idr_for_each_entry(&dev->token, txwi, id) {
693 mt7915_txp_skb_unmap(&dev->mt76, txwi);
694 if (txwi->skb)
695 dev_kfree_skb_any(txwi->skb);
696 mt76_put_txwi(&dev->mt76, txwi);
697 }
698 spin_unlock_bh(&dev->token_lock);
699 idr_destroy(&dev->token);
700
701 mt76_free_device(&dev->mt76);
702}
703
