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WIP FPC-III support
[linux/fpc-iii.git] / drivers / net / wireless / mediatek / mt76 / mt7915 / init.c
blob102a8f14c22d4f20ce0126e70311fe10aa9ce419
1 // SPDX-License-Identifier: ISC
2 /* Copyright (C) 2020 MediaTek Inc. */
3
4 #include <linux/etherdevice.h>
5 #include "mt7915.h"
6 #include "mac.h"
7 #include "eeprom.h"
8
9 #define CCK_RATE(_idx, _rate) { \
10 .bitrate = _rate, \
11 .flags = IEEE80211_RATE_SHORT_PREAMBLE, \
12 .hw_value = (MT_PHY_TYPE_CCK << 8) | (_idx), \
13 .hw_value_short = (MT_PHY_TYPE_CCK << 8) | (4 + (_idx)), \
14 }
15
16 #define OFDM_RATE(_idx, _rate) { \
17 .bitrate = _rate, \
18 .hw_value = (MT_PHY_TYPE_OFDM << 8) | (_idx), \
19 .hw_value_short = (MT_PHY_TYPE_OFDM << 8) | (_idx), \
20 }
21
22 static struct ieee80211_rate mt7915_rates[] = {
23 CCK_RATE(0, 10),
24 CCK_RATE(1, 20),
25 CCK_RATE(2, 55),
26 CCK_RATE(3, 110),
27 OFDM_RATE(11, 60),
28 OFDM_RATE(15, 90),
29 OFDM_RATE(10, 120),
30 OFDM_RATE(14, 180),
31 OFDM_RATE(9, 240),
32 OFDM_RATE(13, 360),
33 OFDM_RATE(8, 480),
34 OFDM_RATE(12, 540),
35 };
36
37 static const struct ieee80211_iface_limit if_limits[] = {
38 {
39 .max = 1,
40 .types = BIT(NL80211_IFTYPE_ADHOC)
41 }, {
42 .max = 16,
43 .types = BIT(NL80211_IFTYPE_AP)
44 #ifdef CONFIG_MAC80211_MESH
45 | BIT(NL80211_IFTYPE_MESH_POINT)
46 #endif
47 }, {
48 .max = MT7915_MAX_INTERFACES,
49 .types = BIT(NL80211_IFTYPE_STATION)
50 }
51 };
52
53 static const struct ieee80211_iface_combination if_comb[] = {
54 {
55 .limits = if_limits,
56 .n_limits = ARRAY_SIZE(if_limits),
57 .max_interfaces = MT7915_MAX_INTERFACES,
58 .num_different_channels = 1,
59 .beacon_int_infra_match = true,
60 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
61 BIT(NL80211_CHAN_WIDTH_20) |
62 BIT(NL80211_CHAN_WIDTH_40) |
63 BIT(NL80211_CHAN_WIDTH_80) |
64 BIT(NL80211_CHAN_WIDTH_160) |
65 BIT(NL80211_CHAN_WIDTH_80P80),
66 }
67 };
68
69 static void
70 mt7915_regd_notifier(struct wiphy *wiphy,
71 struct regulatory_request *request)
72 {
73 struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
74 struct mt7915_dev *dev = mt7915_hw_dev(hw);
75 struct mt76_phy *mphy = hw->priv;
76 struct mt7915_phy *phy = mphy->priv;
77 struct cfg80211_chan_def *chandef = &mphy->chandef;
78
79 dev->mt76.region = request->dfs_region;
80
81 if (!(chandef->chan->flags & IEEE80211_CHAN_RADAR))
82 return;
83
84 mt7915_dfs_init_radar_detector(phy);
85 }
86
87 static void
88 mt7915_init_wiphy(struct ieee80211_hw *hw)
89 {
90 struct mt7915_phy *phy = mt7915_hw_phy(hw);
91 struct wiphy *wiphy = hw->wiphy;
92
93 hw->queues = 4;
94 hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;
95 hw->max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;
96
97 phy->slottime = 9;
98
99 hw->sta_data_size = sizeof(struct mt7915_sta);
100 hw->vif_data_size = sizeof(struct mt7915_vif);
101
102 wiphy->iface_combinations = if_comb;
103 wiphy->n_iface_combinations = ARRAY_SIZE(if_comb);
104 wiphy->reg_notifier = mt7915_regd_notifier;
105 wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
106
107 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_VHT_IBSS);
108
109 ieee80211_hw_set(hw, HAS_RATE_CONTROL);
110 ieee80211_hw_set(hw, SUPPORTS_TX_ENCAP_OFFLOAD);
111 ieee80211_hw_set(hw, WANT_MONITOR_VIF);
112
113 hw->max_tx_fragments = 4;
114 }
115
116 static void
117 mt7915_mac_init_band(struct mt7915_dev *dev, u8 band)
118 {
119 u32 mask, set;
120
121 mt76_rmw_field(dev, MT_TMAC_CTCR0(band),
122 MT_TMAC_CTCR0_INS_DDLMT_REFTIME, 0x3f);
123 mt76_set(dev, MT_TMAC_CTCR0(band),
124 MT_TMAC_CTCR0_INS_DDLMT_VHT_SMPDU_EN |
125 MT_TMAC_CTCR0_INS_DDLMT_EN);
126
127 mask = MT_MDP_RCFR0_MCU_RX_MGMT |
128 MT_MDP_RCFR0_MCU_RX_CTL_NON_BAR |
129 MT_MDP_RCFR0_MCU_RX_CTL_BAR;
130 set = FIELD_PREP(MT_MDP_RCFR0_MCU_RX_MGMT, MT_MDP_TO_HIF) |
131 FIELD_PREP(MT_MDP_RCFR0_MCU_RX_CTL_NON_BAR, MT_MDP_TO_HIF) |
132 FIELD_PREP(MT_MDP_RCFR0_MCU_RX_CTL_BAR, MT_MDP_TO_HIF);
133 mt76_rmw(dev, MT_MDP_BNRCFR0(band), mask, set);
134
135 mask = MT_MDP_RCFR1_MCU_RX_BYPASS |
136 MT_MDP_RCFR1_RX_DROPPED_UCAST |
137 MT_MDP_RCFR1_RX_DROPPED_MCAST;
138 set = FIELD_PREP(MT_MDP_RCFR1_MCU_RX_BYPASS, MT_MDP_TO_HIF) |
139 FIELD_PREP(MT_MDP_RCFR1_RX_DROPPED_UCAST, MT_MDP_TO_HIF) |
140 FIELD_PREP(MT_MDP_RCFR1_RX_DROPPED_MCAST, MT_MDP_TO_HIF);
141 mt76_rmw(dev, MT_MDP_BNRCFR1(band), mask, set);
142
143 mt76_set(dev, MT_WF_RMAC_MIB_TIME0(band), MT_WF_RMAC_MIB_RXTIME_EN);
144 mt76_set(dev, MT_WF_RMAC_MIB_AIRTIME0(band), MT_WF_RMAC_MIB_RXTIME_EN);
145
146 mt76_rmw_field(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_MAX_RX_LEN, 1536);
147 /* disable rx rate report by default due to hw issues */
148 mt76_clear(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_RXD_G5_EN);
149 }
150
151 static void mt7915_mac_init(struct mt7915_dev *dev)
152 {
153 int i;
154
155 mt76_rmw_field(dev, MT_MDP_DCR1, MT_MDP_DCR1_MAX_RX_LEN, 1536);
156 /* disable hardware de-agg */
157 mt76_clear(dev, MT_MDP_DCR0, MT_MDP_DCR0_DAMSDU_EN);
158
159 for (i = 0; i < MT7915_WTBL_SIZE; i++)
160 mt7915_mac_wtbl_update(dev, i,
161 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
162 for (i = 0; i < 2; i++)
163 mt7915_mac_init_band(dev, i);
164
165 mt7915_mcu_set_rts_thresh(&dev->phy, 0x92b);
166 }
167
168 static int mt7915_txbf_init(struct mt7915_dev *dev)
169 {
170 int ret;
171
172 /*
173 * TODO: DBDC & check whether iBF phase calibration data has
174 * been stored in eeprom offset 0x651~0x7b8, then write down
175 * 0x1111 into 0x651 and 0x651 to trigger iBF.
176 */
177
178 /* trigger sounding packets */
179 ret = mt7915_mcu_set_txbf_sounding(dev);
180 if (ret)
181 return ret;
182
183 /* enable iBF & eBF */
184 return mt7915_mcu_set_txbf_type(dev);
185 }
186
187 static void
188 mt7915_init_txpower_band(struct mt7915_dev *dev,
189 struct ieee80211_supported_band *sband)
190 {
191 int i, n_chains = hweight8(dev->mphy.antenna_mask);
192
193 for (i = 0; i < sband->n_channels; i++) {
194 struct ieee80211_channel *chan = &sband->channels[i];
195 u32 target_power = 0;
196 int j;
197
198 for (j = 0; j < n_chains; j++) {
199 u32 val;
200
201 val = mt7915_eeprom_get_target_power(dev, chan, j);
202 target_power = max(target_power, val);
203 }
204
205 chan->max_power = min_t(int, chan->max_reg_power,
206 target_power / 2);
207 chan->orig_mpwr = target_power / 2;
208 }
209 }
210
211 static void mt7915_init_txpower(struct mt7915_dev *dev)
212 {
213 mt7915_init_txpower_band(dev, &dev->mphy.sband_2g.sband);
214 mt7915_init_txpower_band(dev, &dev->mphy.sband_5g.sband);
215
216 mt7915_eeprom_init_sku(dev);
217 }
218
219 static int mt7915_register_ext_phy(struct mt7915_dev *dev)
220 {
221 struct mt7915_phy *phy = mt7915_ext_phy(dev);
222 struct mt76_phy *mphy;
223 int ret;
224
225 if (!dev->dbdc_support)
226 return 0;
227
228 if (phy)
229 return 0;
230
231 mphy = mt76_alloc_phy(&dev->mt76, sizeof(*phy), &mt7915_ops);
232 if (!mphy)
233 return -ENOMEM;
234
235 phy = mphy->priv;
236 phy->dev = dev;
237 phy->mt76 = mphy;
238 phy->chainmask = dev->chainmask & ~dev->phy.chainmask;
239 mphy->antenna_mask = BIT(hweight8(phy->chainmask)) - 1;
240 mt7915_init_wiphy(mphy->hw);
241
242 INIT_LIST_HEAD(&phy->stats_list);
243 INIT_DELAYED_WORK(&phy->mac_work, mt7915_mac_work);
244
245 mt7915_eeprom_parse_band_config(phy);
246 mt7915_set_stream_vht_txbf_caps(phy);
247 mt7915_set_stream_he_caps(phy);
248
249 memcpy(mphy->macaddr, dev->mt76.eeprom.data + MT_EE_MAC_ADDR2,
250 ETH_ALEN);
251 mt76_eeprom_override(mphy);
252
253 /* The second interface does not get any packets unless it has a vif */
254 ieee80211_hw_set(mphy->hw, WANT_MONITOR_VIF);
255
256 ret = mt7915_init_tx_queues(phy, MT7915_TXQ_BAND1,
257 MT7915_TX_RING_SIZE);
258 if (ret)
259 goto error;
260
261 ret = mt76_register_phy(mphy, true, mt7915_rates,
262 ARRAY_SIZE(mt7915_rates));
263 if (ret)
264 goto error;
265
266 return 0;
267
268 error:
269 ieee80211_free_hw(mphy->hw);
270 return ret;
271 }
272
273 static void mt7915_init_work(struct work_struct *work)
274 {
275 struct mt7915_dev *dev = container_of(work, struct mt7915_dev,
276 init_work);
277
278 mt7915_mcu_set_eeprom(dev);
279 mt7915_mac_init(dev);
280 mt7915_init_txpower(dev);
281 mt7915_txbf_init(dev);
282 mt7915_register_ext_phy(dev);
283 }
284
285 static int mt7915_init_hardware(struct mt7915_dev *dev)
286 {
287 int ret, idx;
288
289 mt76_wr(dev, MT_INT_SOURCE_CSR, ~0);
290
291 INIT_WORK(&dev->init_work, mt7915_init_work);
292 spin_lock_init(&dev->token_lock);
293 idr_init(&dev->token);
294
295 dev->dbdc_support = !!(mt7915_l1_rr(dev, MT_HW_BOUND) & BIT(5));
296
297 ret = mt7915_dma_init(dev);
298 if (ret)
299 return ret;
300
301 set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state);
302
303 /*
304 * force firmware operation mode into normal state,
305 * which should be set before firmware download stage.
306 */
307 mt76_wr(dev, MT_SWDEF_MODE, MT_SWDEF_NORMAL_MODE);
308
309 ret = mt7915_mcu_init(dev);
310 if (ret)
311 return ret;
312
313 ret = mt7915_eeprom_init(dev);
314 if (ret < 0)
315 return ret;
316
317 /* Beacon and mgmt frames should occupy wcid 0 */
318 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7915_WTBL_STA - 1);
319 if (idx)
320 return -ENOSPC;
321
322 dev->mt76.global_wcid.idx = idx;
323 dev->mt76.global_wcid.hw_key_idx = -1;
324 dev->mt76.global_wcid.tx_info |= MT_WCID_TX_INFO_SET;
325 rcu_assign_pointer(dev->mt76.wcid[idx], &dev->mt76.global_wcid);
326
327 return 0;
328 }
329
330 void mt7915_set_stream_vht_txbf_caps(struct mt7915_phy *phy)
331 {
332 int nss = hweight8(phy->chainmask);
333 u32 *cap = &phy->mt76->sband_5g.sband.vht_cap.cap;
334
335 *cap |= IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
336 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE |
337 (3 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT);
338
339 *cap &= ~(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK |
340 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
341 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE);
342
343 if (nss < 2)
344 return;
345
346 *cap |= IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
347 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE |
348 FIELD_PREP(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK,
349 nss - 1);
350 }
351
352 static void
353 mt7915_set_stream_he_txbf_caps(struct ieee80211_sta_he_cap *he_cap,
354 int vif, int nss)
355 {
356 struct ieee80211_he_cap_elem *elem = &he_cap->he_cap_elem;
357 struct ieee80211_he_mcs_nss_supp *mcs = &he_cap->he_mcs_nss_supp;
358 u8 c;
359
360 #ifdef CONFIG_MAC80211_MESH
361 if (vif == NL80211_IFTYPE_MESH_POINT)
362 return;
363 #endif
364
365 elem->phy_cap_info[3] &= ~IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER;
366 elem->phy_cap_info[4] &= ~IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER;
367
368 c = IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK |
369 IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK;
370 elem->phy_cap_info[5] &= ~c;
371
372 c = IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMER_FB |
373 IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMER_FB;
374 elem->phy_cap_info[6] &= ~c;
375
376 elem->phy_cap_info[7] &= ~IEEE80211_HE_PHY_CAP7_MAX_NC_MASK;
377
378 c = IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US |
379 IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO |
380 IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO;
381 elem->phy_cap_info[2] |= c;
382
383 c = IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE |
384 IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4 |
385 IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4;
386 elem->phy_cap_info[4] |= c;
387
388 /* do not support NG16 due to spec D4.0 changes subcarrier idx */
389 c = IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU |
390 IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU;
391
392 if (vif == NL80211_IFTYPE_STATION)
393 c |= IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO;
394
395 elem->phy_cap_info[6] |= c;
396
397 if (nss < 2)
398 return;
399
400 if (vif != NL80211_IFTYPE_AP)
401 return;
402
403 elem->phy_cap_info[3] |= IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER;
404 elem->phy_cap_info[4] |= IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER;
405
406 /* num_snd_dim */
407 c = (nss - 1) | (max_t(int, le16_to_cpu(mcs->tx_mcs_160), 1) << 3);
408 elem->phy_cap_info[5] |= c;
409
410 c = IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMER_FB |
411 IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMER_FB;
412 elem->phy_cap_info[6] |= c;
413
414 /* the maximum cap is 4 x 3, (Nr, Nc) = (3, 2) */
415 elem->phy_cap_info[7] |= min_t(int, nss - 1, 2) << 3;
416 }
417
418 static void
419 mt7915_gen_ppe_thresh(u8 *he_ppet, int nss)
420 {
421 u8 i, ppet_bits, ppet_size, ru_bit_mask = 0x7; /* HE80 */
422 u8 ppet16_ppet8_ru3_ru0[] = {0x1c, 0xc7, 0x71};
423
424 he_ppet[0] = FIELD_PREP(IEEE80211_PPE_THRES_NSS_MASK, nss - 1) |
425 FIELD_PREP(IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK,
426 ru_bit_mask);
427
428 ppet_bits = IEEE80211_PPE_THRES_INFO_PPET_SIZE *
429 nss * hweight8(ru_bit_mask) * 2;
430 ppet_size = DIV_ROUND_UP(ppet_bits, 8);
431
432 for (i = 0; i < ppet_size - 1; i++)
433 he_ppet[i + 1] = ppet16_ppet8_ru3_ru0[i % 3];
434
435 he_ppet[i + 1] = ppet16_ppet8_ru3_ru0[i % 3] &
436 (0xff >> (8 - (ppet_bits - 1) % 8));
437 }
438
439 static int
440 mt7915_init_he_caps(struct mt7915_phy *phy, enum nl80211_band band,
441 struct ieee80211_sband_iftype_data *data)
442 {
443 int i, idx = 0;
444 int nss = hweight8(phy->chainmask);
445 u16 mcs_map = 0;
446
447 for (i = 0; i < 8; i++) {
448 if (i < nss)
449 mcs_map |= (IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2));
450 else
451 mcs_map |= (IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2));
452 }
453
454 for (i = 0; i < NUM_NL80211_IFTYPES; i++) {
455 struct ieee80211_sta_he_cap *he_cap = &data[idx].he_cap;
456 struct ieee80211_he_cap_elem *he_cap_elem =
457 &he_cap->he_cap_elem;
458 struct ieee80211_he_mcs_nss_supp *he_mcs =
459 &he_cap->he_mcs_nss_supp;
460
461 switch (i) {
462 case NL80211_IFTYPE_STATION:
463 case NL80211_IFTYPE_AP:
464 #ifdef CONFIG_MAC80211_MESH
465 case NL80211_IFTYPE_MESH_POINT:
466 #endif
467 break;
468 default:
469 continue;
470 }
471
472 data[idx].types_mask = BIT(i);
473 he_cap->has_he = true;
474
475 he_cap_elem->mac_cap_info[0] =
476 IEEE80211_HE_MAC_CAP0_HTC_HE;
477 he_cap_elem->mac_cap_info[3] =
478 IEEE80211_HE_MAC_CAP3_OMI_CONTROL |
479 IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED;
480 he_cap_elem->mac_cap_info[4] =
481 IEEE80211_HE_MAC_CAP4_AMDSU_IN_AMPDU;
482
483 if (band == NL80211_BAND_2GHZ)
484 he_cap_elem->phy_cap_info[0] =
485 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G;
486 else if (band == NL80211_BAND_5GHZ)
487 he_cap_elem->phy_cap_info[0] =
488 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G |
489 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G |
490 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G;
491
492 he_cap_elem->phy_cap_info[1] =
493 IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD;
494 he_cap_elem->phy_cap_info[2] =
495 IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ |
496 IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ;
497
498 switch (i) {
499 case NL80211_IFTYPE_AP:
500 he_cap_elem->mac_cap_info[0] |=
501 IEEE80211_HE_MAC_CAP0_TWT_RES;
502 he_cap_elem->mac_cap_info[2] |=
503 IEEE80211_HE_MAC_CAP2_BSR;
504 he_cap_elem->mac_cap_info[4] |=
505 IEEE80211_HE_MAC_CAP4_BQR;
506 he_cap_elem->mac_cap_info[5] |=
507 IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX;
508 he_cap_elem->phy_cap_info[3] |=
509 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK |
510 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK;
511 he_cap_elem->phy_cap_info[6] |=
512 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT;
513 break;
514 case NL80211_IFTYPE_STATION:
515 he_cap_elem->mac_cap_info[0] |=
516 IEEE80211_HE_MAC_CAP0_TWT_REQ;
517 he_cap_elem->mac_cap_info[1] |=
518 IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US;
519
520 if (band == NL80211_BAND_2GHZ)
521 he_cap_elem->phy_cap_info[0] |=
522 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G;
523 else if (band == NL80211_BAND_5GHZ)
524 he_cap_elem->phy_cap_info[0] |=
525 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G;
526
527 he_cap_elem->phy_cap_info[1] |=
528 IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A |
529 IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US;
530 he_cap_elem->phy_cap_info[3] |=
531 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK |
532 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK;
533 he_cap_elem->phy_cap_info[6] |=
534 IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB |
535 IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE |
536 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT;
537 he_cap_elem->phy_cap_info[7] |=
538 IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_AR |
539 IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI;
540 he_cap_elem->phy_cap_info[8] |=
541 IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G |
542 IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU |
543 IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU |
544 IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484;
545 he_cap_elem->phy_cap_info[9] |=
546 IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM |
547 IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK |
548 IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU |
549 IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU |
550 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB |
551 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB;
552 break;
553 }
554
555 he_mcs->rx_mcs_80 = cpu_to_le16(mcs_map);
556 he_mcs->tx_mcs_80 = cpu_to_le16(mcs_map);
557 he_mcs->rx_mcs_160 = cpu_to_le16(mcs_map);
558 he_mcs->tx_mcs_160 = cpu_to_le16(mcs_map);
559 he_mcs->rx_mcs_80p80 = cpu_to_le16(mcs_map);
560 he_mcs->tx_mcs_80p80 = cpu_to_le16(mcs_map);
561
562 mt7915_set_stream_he_txbf_caps(he_cap, i, nss);
563
564 memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres));
565 if (he_cap_elem->phy_cap_info[6] &
566 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
567 mt7915_gen_ppe_thresh(he_cap->ppe_thres, nss);
568 } else {
569 he_cap_elem->phy_cap_info[9] |=
570 IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US;
571 }
572 idx++;
573 }
574
575 return idx;
576 }
577
578 void mt7915_set_stream_he_caps(struct mt7915_phy *phy)
579 {
580 struct ieee80211_sband_iftype_data *data;
581 struct ieee80211_supported_band *band;
582 int n;
583
584 if (phy->mt76->cap.has_2ghz) {
585 data = phy->iftype[NL80211_BAND_2GHZ];
586 n = mt7915_init_he_caps(phy, NL80211_BAND_2GHZ, data);
587
588 band = &phy->mt76->sband_2g.sband;
589 band->iftype_data = data;
590 band->n_iftype_data = n;
591 }
592
593 if (phy->mt76->cap.has_5ghz) {
594 data = phy->iftype[NL80211_BAND_5GHZ];
595 n = mt7915_init_he_caps(phy, NL80211_BAND_5GHZ, data);
596
597 band = &phy->mt76->sband_5g.sband;
598 band->iftype_data = data;
599 band->n_iftype_data = n;
600 }
601 }
602
603 static void mt7915_unregister_ext_phy(struct mt7915_dev *dev)
604 {
605 struct mt7915_phy *phy = mt7915_ext_phy(dev);
606 struct mt76_phy *mphy = dev->mt76.phy2;
607
608 if (!phy)
609 return;
610
611 mt76_unregister_phy(mphy);
612 ieee80211_free_hw(mphy->hw);
613 }
614
615 int mt7915_register_device(struct mt7915_dev *dev)
616 {
617 struct ieee80211_hw *hw = mt76_hw(dev);
618 int ret;
619
620 dev->phy.dev = dev;
621 dev->phy.mt76 = &dev->mt76.phy;
622 dev->mt76.phy.priv = &dev->phy;
623 INIT_LIST_HEAD(&dev->phy.stats_list);
624 INIT_WORK(&dev->rc_work, mt7915_mac_sta_rc_work);
625 INIT_DELAYED_WORK(&dev->phy.mac_work, mt7915_mac_work);
626 INIT_LIST_HEAD(&dev->sta_rc_list);
627 INIT_LIST_HEAD(&dev->sta_poll_list);
628 spin_lock_init(&dev->sta_poll_lock);
629
630 init_waitqueue_head(&dev->reset_wait);
631 INIT_WORK(&dev->reset_work, mt7915_mac_reset_work);
632
633 ret = mt7915_init_hardware(dev);
634 if (ret)
635 return ret;
636
637 mt7915_init_wiphy(hw);
638 dev->mphy.sband_2g.sband.ht_cap.cap |=
639 IEEE80211_HT_CAP_LDPC_CODING |
640 IEEE80211_HT_CAP_MAX_AMSDU;
641 dev->mphy.sband_5g.sband.ht_cap.cap |=
642 IEEE80211_HT_CAP_LDPC_CODING |
643 IEEE80211_HT_CAP_MAX_AMSDU;
644 dev->mphy.sband_5g.sband.vht_cap.cap |=
645 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 |
646 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK;
647 if (!dev->dbdc_support)
648 dev->mphy.sband_5g.sband.vht_cap.cap |=
649 IEEE80211_VHT_CAP_SHORT_GI_160 |
650 IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
651 dev->mphy.hw->wiphy->available_antennas_rx = dev->phy.chainmask;
652 dev->mphy.hw->wiphy->available_antennas_tx = dev->phy.chainmask;
653
654 mt76_set_stream_caps(&dev->mphy, true);
655 mt7915_set_stream_vht_txbf_caps(&dev->phy);
656 mt7915_set_stream_he_caps(&dev->phy);
657 dev->phy.dfs_state = -1;
658
659 #ifdef CONFIG_NL80211_TESTMODE
660 dev->mt76.test_ops = &mt7915_testmode_ops;
661 #endif
662
663 ret = mt76_register_device(&dev->mt76, true, mt7915_rates,
664 ARRAY_SIZE(mt7915_rates));
665 if (ret)
666 return ret;
667
668 ieee80211_queue_work(mt76_hw(dev), &dev->init_work);
669
670 return mt7915_init_debugfs(dev);
671 }
672
673 void mt7915_unregister_device(struct mt7915_dev *dev)
674 {
675 struct mt76_txwi_cache *txwi;
676 int id;
677
678 mt7915_unregister_ext_phy(dev);
679 mt76_unregister_device(&dev->mt76);
680 mt7915_mcu_exit(dev);
681 mt7915_dma_cleanup(dev);
682
683 spin_lock_bh(&dev->token_lock);
684 idr_for_each_entry(&dev->token, txwi, id) {
685 mt7915_txp_skb_unmap(&dev->mt76, txwi);
686 if (txwi->skb) {
687 struct ieee80211_hw *hw;
688
689 hw = mt76_tx_status_get_hw(&dev->mt76, txwi->skb);
690 ieee80211_free_txskb(hw, txwi->skb);
691 }
692 mt76_put_txwi(&dev->mt76, txwi);
693 dev->token_count--;
694 }
695 spin_unlock_bh(&dev->token_lock);
696 idr_destroy(&dev->token);
697
698 mt76_free_device(&dev->mt76);
699 }
Linux with added FPC-III support