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 static void
mt7915_mac_init_band(struct mt7915_dev * dev,u8 band)10 mt7915_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
mt7915_mac_init(struct mt7915_dev * dev)40 static 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 /* enable rx rate report */
47 mt76_set(dev, MT_DMA_DCR0, MT_DMA_DCR0_RXD_G5_EN);
48 /* disable hardware de-agg */
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
mt7915_txbf_init(struct mt7915_dev * dev)60 static int mt7915_txbf_init(struct mt7915_dev *dev)
61 {
62 int ret;
63
64 /*
65 * TODO: DBDC & check whether iBF phase calibration data has
66 * been stored in eeprom offset 0x651~0x7b8, then write down
67 * 0x1111 into 0x651 and 0x651 to trigger iBF.
68 */
69
70 /* trigger sounding packets */
71 ret = mt7915_mcu_set_txbf_sounding(dev);
72 if (ret)
73 return ret;
74
75 /* enable iBF & eBF */
76 return mt7915_mcu_set_txbf_type(dev);
77 }
78
79 static void
mt7915_init_txpower_band(struct mt7915_dev * dev,struct ieee80211_supported_band * sband)80 mt7915_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
mt7915_init_txpower(struct mt7915_dev * dev)103 static 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
mt7915_init_work(struct work_struct * work)111 static 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
mt7915_init_hardware(struct mt7915_dev * dev)122 static 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 /*
139 * force firmware operation mode into normal state,
140 * which should be set before firmware download stage.
141 */
142 mt76_wr(dev, MT_SWDEF_MODE, MT_SWDEF_NORMAL_MODE);
143
144 ret = mt7915_mcu_init(dev);
145 if (ret)
146 return ret;
147
148 ret = mt7915_eeprom_init(dev);
149 if (ret < 0)
150 return ret;
151
152 /* Beacon and mgmt frames should occupy wcid 0 */
153 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7915_WTBL_STA - 1);
154 if (idx)
155 return -ENOSPC;
156
157 dev->mt76.global_wcid.idx = idx;
158 dev->mt76.global_wcid.hw_key_idx = -1;
159 dev->mt76.global_wcid.tx_info |= MT_WCID_TX_INFO_SET;
160 rcu_assign_pointer(dev->mt76.wcid[idx], &dev->mt76.global_wcid);
161
162 return 0;
163 }
164
165 #define CCK_RATE(_idx, _rate) { \
166 .bitrate = _rate, \
167 .flags = IEEE80211_RATE_SHORT_PREAMBLE, \
168 .hw_value = (MT_PHY_TYPE_CCK << 8) | (_idx), \
169 .hw_value_short = (MT_PHY_TYPE_CCK << 8) | (4 + (_idx)), \
170 }
171
172 #define OFDM_RATE(_idx, _rate) { \
173 .bitrate = _rate, \
174 .hw_value = (MT_PHY_TYPE_OFDM << 8) | (_idx), \
175 .hw_value_short = (MT_PHY_TYPE_OFDM << 8) | (_idx), \
176 }
177
178 static struct ieee80211_rate mt7915_rates[] = {
179 CCK_RATE(0, 10),
180 CCK_RATE(1, 20),
181 CCK_RATE(2, 55),
182 CCK_RATE(3, 110),
183 OFDM_RATE(11, 60),
184 OFDM_RATE(15, 90),
185 OFDM_RATE(10, 120),
186 OFDM_RATE(14, 180),
187 OFDM_RATE(9, 240),
188 OFDM_RATE(13, 360),
189 OFDM_RATE(8, 480),
190 OFDM_RATE(12, 540),
191 };
192
193 static const struct ieee80211_iface_limit if_limits[] = {
194 {
195 .max = 1,
196 .types = BIT(NL80211_IFTYPE_ADHOC)
197 }, {
198 .max = MT7915_MAX_INTERFACES,
199 .types = BIT(NL80211_IFTYPE_AP) |
200 #ifdef CONFIG_MAC80211_MESH
201 BIT(NL80211_IFTYPE_MESH_POINT) |
202 #endif
203 BIT(NL80211_IFTYPE_STATION)
204 }
205 };
206
207 static const struct ieee80211_iface_combination if_comb[] = {
208 {
209 .limits = if_limits,
210 .n_limits = ARRAY_SIZE(if_limits),
211 .max_interfaces = 4,
212 .num_different_channels = 1,
213 .beacon_int_infra_match = true,
214 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
215 BIT(NL80211_CHAN_WIDTH_20) |
216 BIT(NL80211_CHAN_WIDTH_40) |
217 BIT(NL80211_CHAN_WIDTH_80) |
218 BIT(NL80211_CHAN_WIDTH_160) |
219 BIT(NL80211_CHAN_WIDTH_80P80),
220 }
221 };
222
223 static void
mt7915_regd_notifier(struct wiphy * wiphy,struct regulatory_request * request)224 mt7915_regd_notifier(struct wiphy *wiphy,
225 struct regulatory_request *request)
226 {
227 struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
228 struct mt7915_dev *dev = mt7915_hw_dev(hw);
229 struct mt76_phy *mphy = hw->priv;
230 struct mt7915_phy *phy = mphy->priv;
231 struct cfg80211_chan_def *chandef = &mphy->chandef;
232
233 dev->mt76.region = request->dfs_region;
234
235 if (!(chandef->chan->flags & IEEE80211_CHAN_RADAR))
236 return;
237
238 mt7915_dfs_init_radar_detector(phy);
239 }
240
241 static void
mt7915_init_wiphy(struct ieee80211_hw * hw)242 mt7915_init_wiphy(struct ieee80211_hw *hw)
243 {
244 struct mt7915_phy *phy = mt7915_hw_phy(hw);
245 struct wiphy *wiphy = hw->wiphy;
246
247 hw->queues = 4;
248 hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;
249 hw->max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;
250
251 phy->slottime = 9;
252
253 hw->sta_data_size = sizeof(struct mt7915_sta);
254 hw->vif_data_size = sizeof(struct mt7915_vif);
255
256 wiphy->iface_combinations = if_comb;
257 wiphy->n_iface_combinations = ARRAY_SIZE(if_comb);
258 wiphy->reg_notifier = mt7915_regd_notifier;
259 wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
260
261 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_VHT_IBSS);
262
263 ieee80211_hw_set(hw, HAS_RATE_CONTROL);
264
265 hw->max_tx_fragments = 4;
266 }
267
mt7915_set_stream_vht_txbf_caps(struct mt7915_phy * phy)268 void mt7915_set_stream_vht_txbf_caps(struct mt7915_phy *phy)
269 {
270 int nss = hweight8(phy->chainmask);
271 u32 *cap = &phy->mt76->sband_5g.sband.vht_cap.cap;
272
273 *cap |= IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
274 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE |
275 (3 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT);
276
277 *cap &= ~(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK |
278 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
279 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE);
280
281 if (nss < 2)
282 return;
283
284 *cap |= IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
285 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE |
286 FIELD_PREP(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK,
287 nss - 1);
288 }
289
290 static void
mt7915_set_stream_he_txbf_caps(struct ieee80211_sta_he_cap * he_cap,int vif,int nss)291 mt7915_set_stream_he_txbf_caps(struct ieee80211_sta_he_cap *he_cap,
292 int vif, int nss)
293 {
294 struct ieee80211_he_cap_elem *elem = &he_cap->he_cap_elem;
295 struct ieee80211_he_mcs_nss_supp *mcs = &he_cap->he_mcs_nss_supp;
296 u8 c;
297
298 #ifdef CONFIG_MAC80211_MESH
299 if (vif == NL80211_IFTYPE_MESH_POINT)
300 return;
301 #endif
302
303 elem->phy_cap_info[3] &= ~IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER;
304 elem->phy_cap_info[4] &= ~IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER;
305
306 c = IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK |
307 IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK;
308 elem->phy_cap_info[5] &= ~c;
309
310 c = IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMER_FB |
311 IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMER_FB;
312 elem->phy_cap_info[6] &= ~c;
313
314 elem->phy_cap_info[7] &= ~IEEE80211_HE_PHY_CAP7_MAX_NC_MASK;
315
316 c = IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US |
317 IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO |
318 IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO;
319 elem->phy_cap_info[2] |= c;
320
321 c = IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE |
322 IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4 |
323 IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4;
324 elem->phy_cap_info[4] |= c;
325
326 /* do not support NG16 due to spec D4.0 changes subcarrier idx */
327 c = IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU |
328 IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU;
329
330 if (vif == NL80211_IFTYPE_STATION)
331 c |= IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO;
332
333 elem->phy_cap_info[6] |= c;
334
335 if (nss < 2)
336 return;
337
338 /* the maximum cap is 4 x 3, (Nr, Nc) = (3, 2) */
339 elem->phy_cap_info[7] |= min_t(int, nss - 1, 2) << 3;
340
341 if (vif != NL80211_IFTYPE_AP)
342 return;
343
344 elem->phy_cap_info[3] |= IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER;
345 elem->phy_cap_info[4] |= IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER;
346
347 /* num_snd_dim */
348 c = (nss - 1) | (max_t(int, mcs->tx_mcs_160, 1) << 3);
349 elem->phy_cap_info[5] |= c;
350
351 c = IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMER_FB |
352 IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMER_FB;
353 elem->phy_cap_info[6] |= c;
354 }
355
356 static void
mt7915_gen_ppe_thresh(u8 * he_ppet)357 mt7915_gen_ppe_thresh(u8 *he_ppet)
358 {
359 int ru, nss, max_nss = 1, max_ru = 3;
360 u8 bit = 7, ru_bit_mask = 0x7;
361 u8 ppet16_ppet8_ru3_ru0[] = {0x1c, 0xc7, 0x71};
362
363 he_ppet[0] = max_nss & IEEE80211_PPE_THRES_NSS_MASK;
364 he_ppet[0] |= (ru_bit_mask <<
365 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS) &
366 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK;
367
368 for (nss = 0; nss <= max_nss; nss++) {
369 for (ru = 0; ru < max_ru; ru++) {
370 u8 val;
371 int i;
372
373 if (!(ru_bit_mask & BIT(ru)))
374 continue;
375
376 val = (ppet16_ppet8_ru3_ru0[nss] >> (ru * 6)) &
377 0x3f;
378 val = ((val >> 3) & 0x7) | ((val & 0x7) << 3);
379 for (i = 5; i >= 0; i--) {
380 he_ppet[bit / 8] |=
381 ((val >> i) & 0x1) << ((bit % 8));
382 bit++;
383 }
384 }
385 }
386 }
387
388 static int
mt7915_init_he_caps(struct mt7915_phy * phy,enum nl80211_band band,struct ieee80211_sband_iftype_data * data)389 mt7915_init_he_caps(struct mt7915_phy *phy, enum nl80211_band band,
390 struct ieee80211_sband_iftype_data *data)
391 {
392 int i, idx = 0;
393 int nss = hweight8(phy->chainmask);
394 u16 mcs_map = 0;
395
396 for (i = 0; i < 8; i++) {
397 if (i < nss)
398 mcs_map |= (IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2));
399 else
400 mcs_map |= (IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2));
401 }
402
403 for (i = 0; i < NUM_NL80211_IFTYPES; i++) {
404 struct ieee80211_sta_he_cap *he_cap = &data[idx].he_cap;
405 struct ieee80211_he_cap_elem *he_cap_elem =
406 &he_cap->he_cap_elem;
407 struct ieee80211_he_mcs_nss_supp *he_mcs =
408 &he_cap->he_mcs_nss_supp;
409
410 switch (i) {
411 case NL80211_IFTYPE_STATION:
412 case NL80211_IFTYPE_AP:
413 #ifdef CONFIG_MAC80211_MESH
414 case NL80211_IFTYPE_MESH_POINT:
415 #endif
416 break;
417 default:
418 continue;
419 }
420
421 data[idx].types_mask = BIT(i);
422 he_cap->has_he = true;
423
424 he_cap_elem->mac_cap_info[0] =
425 IEEE80211_HE_MAC_CAP0_HTC_HE;
426 he_cap_elem->mac_cap_info[3] =
427 IEEE80211_HE_MAC_CAP3_OMI_CONTROL |
428 IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED;
429 he_cap_elem->mac_cap_info[4] =
430 IEEE80211_HE_MAC_CAP4_AMDSU_IN_AMPDU;
431
432 if (band == NL80211_BAND_2GHZ)
433 he_cap_elem->phy_cap_info[0] =
434 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G;
435 else if (band == NL80211_BAND_5GHZ)
436 he_cap_elem->phy_cap_info[0] =
437 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G |
438 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G |
439 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G;
440
441 he_cap_elem->phy_cap_info[1] =
442 IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD;
443 he_cap_elem->phy_cap_info[2] =
444 IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ |
445 IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ;
446
447 switch (i) {
448 case NL80211_IFTYPE_AP:
449 he_cap_elem->mac_cap_info[0] |=
450 IEEE80211_HE_MAC_CAP0_TWT_RES;
451 he_cap_elem->mac_cap_info[2] |=
452 IEEE80211_HE_MAC_CAP2_BSR;
453 he_cap_elem->mac_cap_info[4] |=
454 IEEE80211_HE_MAC_CAP4_BQR;
455 he_cap_elem->mac_cap_info[5] |=
456 IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX;
457 he_cap_elem->phy_cap_info[3] |=
458 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK |
459 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK;
460 he_cap_elem->phy_cap_info[6] |=
461 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT;
462 break;
463 case NL80211_IFTYPE_STATION:
464 he_cap_elem->mac_cap_info[0] |=
465 IEEE80211_HE_MAC_CAP0_TWT_REQ;
466 he_cap_elem->mac_cap_info[1] |=
467 IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US;
468
469 if (band == NL80211_BAND_2GHZ)
470 he_cap_elem->phy_cap_info[0] |=
471 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G;
472 else if (band == NL80211_BAND_5GHZ)
473 he_cap_elem->phy_cap_info[0] |=
474 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G;
475
476 he_cap_elem->phy_cap_info[1] |=
477 IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A |
478 IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US;
479 he_cap_elem->phy_cap_info[3] |=
480 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK |
481 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK;
482 he_cap_elem->phy_cap_info[6] |=
483 IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB |
484 IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE |
485 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT;
486 he_cap_elem->phy_cap_info[7] |=
487 IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_AR |
488 IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI;
489 he_cap_elem->phy_cap_info[8] |=
490 IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G |
491 IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU |
492 IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU |
493 IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484;
494 he_cap_elem->phy_cap_info[9] |=
495 IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM |
496 IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK |
497 IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU |
498 IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU |
499 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB |
500 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB;
501 break;
502 }
503
504 he_mcs->rx_mcs_80 = cpu_to_le16(mcs_map);
505 he_mcs->tx_mcs_80 = cpu_to_le16(mcs_map);
506 he_mcs->rx_mcs_160 = cpu_to_le16(mcs_map);
507 he_mcs->tx_mcs_160 = cpu_to_le16(mcs_map);
508 he_mcs->rx_mcs_80p80 = cpu_to_le16(mcs_map);
509 he_mcs->tx_mcs_80p80 = cpu_to_le16(mcs_map);
510
511 mt7915_set_stream_he_txbf_caps(he_cap, i, nss);
512
513 memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres));
514 if (he_cap_elem->phy_cap_info[6] &
515 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
516 mt7915_gen_ppe_thresh(he_cap->ppe_thres);
517 } else {
518 he_cap_elem->phy_cap_info[9] |=
519 IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US;
520 }
521 idx++;
522 }
523
524 return idx;
525 }
526
mt7915_set_stream_he_caps(struct mt7915_phy * phy)527 void mt7915_set_stream_he_caps(struct mt7915_phy *phy)
528 {
529 struct ieee80211_sband_iftype_data *data;
530 struct ieee80211_supported_band *band;
531 struct mt76_dev *mdev = &phy->dev->mt76;
532 int n;
533
534 if (mdev->cap.has_2ghz) {
535 data = phy->iftype[NL80211_BAND_2GHZ];
536 n = mt7915_init_he_caps(phy, NL80211_BAND_2GHZ, data);
537
538 band = &phy->mt76->sband_2g.sband;
539 band->iftype_data = data;
540 band->n_iftype_data = n;
541 }
542
543 if (mdev->cap.has_5ghz) {
544 data = phy->iftype[NL80211_BAND_5GHZ];
545 n = mt7915_init_he_caps(phy, NL80211_BAND_5GHZ, data);
546
547 band = &phy->mt76->sband_5g.sband;
548 band->iftype_data = data;
549 band->n_iftype_data = n;
550 }
551 }
552
553 static void
mt7915_cap_dbdc_enable(struct mt7915_dev * dev)554 mt7915_cap_dbdc_enable(struct mt7915_dev *dev)
555 {
556 dev->mphy.sband_5g.sband.vht_cap.cap &=
557 ~(IEEE80211_VHT_CAP_SHORT_GI_160 |
558 IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ);
559
560 if (dev->chainmask == 0xf)
561 dev->mphy.antenna_mask = dev->chainmask >> 2;
562 else
563 dev->mphy.antenna_mask = dev->chainmask >> 1;
564
565 dev->phy.chainmask = dev->mphy.antenna_mask;
566 dev->mphy.hw->wiphy->available_antennas_rx = dev->phy.chainmask;
567 dev->mphy.hw->wiphy->available_antennas_tx = dev->phy.chainmask;
568
569 mt76_set_stream_caps(&dev->mphy, true);
570 mt7915_set_stream_vht_txbf_caps(&dev->phy);
571 mt7915_set_stream_he_caps(&dev->phy);
572 }
573
574 static void
mt7915_cap_dbdc_disable(struct mt7915_dev * dev)575 mt7915_cap_dbdc_disable(struct mt7915_dev *dev)
576 {
577 dev->mphy.sband_5g.sband.vht_cap.cap |=
578 IEEE80211_VHT_CAP_SHORT_GI_160 |
579 IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
580
581 dev->mphy.antenna_mask = dev->chainmask;
582 dev->phy.chainmask = dev->chainmask;
583 dev->mphy.hw->wiphy->available_antennas_rx = dev->chainmask;
584 dev->mphy.hw->wiphy->available_antennas_tx = dev->chainmask;
585
586 mt76_set_stream_caps(&dev->mphy, true);
587 mt7915_set_stream_vht_txbf_caps(&dev->phy);
588 mt7915_set_stream_he_caps(&dev->phy);
589 }
590
mt7915_register_ext_phy(struct mt7915_dev * dev)591 int mt7915_register_ext_phy(struct mt7915_dev *dev)
592 {
593 struct mt7915_phy *phy = mt7915_ext_phy(dev);
594 struct mt76_phy *mphy;
595 int ret;
596 bool bound;
597
598 /* TODO: enble DBDC */
599 bound = mt7915_l1_rr(dev, MT_HW_BOUND) & BIT(5);
600 if (!bound)
601 return -EINVAL;
602
603 if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state))
604 return -EINVAL;
605
606 if (phy)
607 return 0;
608
609 mt7915_cap_dbdc_enable(dev);
610 mphy = mt76_alloc_phy(&dev->mt76, sizeof(*phy), &mt7915_ops);
611 if (!mphy)
612 return -ENOMEM;
613
614 phy = mphy->priv;
615 phy->dev = dev;
616 phy->mt76 = mphy;
617 phy->chainmask = dev->chainmask & ~dev->phy.chainmask;
618 mphy->antenna_mask = BIT(hweight8(phy->chainmask)) - 1;
619 mt7915_init_wiphy(mphy->hw);
620
621 INIT_LIST_HEAD(&phy->stats_list);
622 INIT_DELAYED_WORK(&phy->mac_work, mt7915_mac_work);
623
624 /*
625 * Make the secondary PHY MAC address local without overlapping with
626 * the usual MAC address allocation scheme on multiple virtual interfaces
627 */
628 mphy->hw->wiphy->perm_addr[0] |= 2;
629 mphy->hw->wiphy->perm_addr[0] ^= BIT(7);
630
631 /* The second interface does not get any packets unless it has a vif */
632 ieee80211_hw_set(mphy->hw, WANT_MONITOR_VIF);
633
634 ret = mt76_register_phy(mphy);
635 if (ret)
636 ieee80211_free_hw(mphy->hw);
637
638 return ret;
639 }
640
mt7915_unregister_ext_phy(struct mt7915_dev * dev)641 void mt7915_unregister_ext_phy(struct mt7915_dev *dev)
642 {
643 struct mt7915_phy *phy = mt7915_ext_phy(dev);
644 struct mt76_phy *mphy = dev->mt76.phy2;
645
646 if (!phy)
647 return;
648
649 mt7915_cap_dbdc_disable(dev);
650 mt76_unregister_phy(mphy);
651 ieee80211_free_hw(mphy->hw);
652 }
653
mt7915_register_device(struct mt7915_dev * dev)654 int mt7915_register_device(struct mt7915_dev *dev)
655 {
656 struct ieee80211_hw *hw = mt76_hw(dev);
657 int ret;
658
659 dev->phy.dev = dev;
660 dev->phy.mt76 = &dev->mt76.phy;
661 dev->mt76.phy.priv = &dev->phy;
662 INIT_LIST_HEAD(&dev->phy.stats_list);
663 INIT_WORK(&dev->rc_work, mt7915_mac_sta_rc_work);
664 INIT_DELAYED_WORK(&dev->phy.mac_work, mt7915_mac_work);
665 INIT_LIST_HEAD(&dev->sta_rc_list);
666 INIT_LIST_HEAD(&dev->sta_poll_list);
667 spin_lock_init(&dev->sta_poll_lock);
668
669 init_waitqueue_head(&dev->reset_wait);
670 INIT_WORK(&dev->reset_work, mt7915_mac_reset_work);
671
672 ret = mt7915_init_hardware(dev);
673 if (ret)
674 return ret;
675
676 mt7915_init_wiphy(hw);
677 dev->mphy.sband_2g.sband.ht_cap.cap |=
678 IEEE80211_HT_CAP_LDPC_CODING |
679 IEEE80211_HT_CAP_MAX_AMSDU;
680 dev->mphy.sband_5g.sband.ht_cap.cap |=
681 IEEE80211_HT_CAP_LDPC_CODING |
682 IEEE80211_HT_CAP_MAX_AMSDU;
683 dev->mphy.sband_5g.sband.vht_cap.cap |=
684 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 |
685 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK;
686 mt7915_cap_dbdc_disable(dev);
687 dev->phy.dfs_state = -1;
688
689 ret = mt76_register_device(&dev->mt76, true, mt7915_rates,
690 ARRAY_SIZE(mt7915_rates));
691 if (ret)
692 return ret;
693
694 ieee80211_queue_work(mt76_hw(dev), &dev->init_work);
695
696 return mt7915_init_debugfs(dev);
697 }
698
mt7915_unregister_device(struct mt7915_dev * dev)699 void mt7915_unregister_device(struct mt7915_dev *dev)
700 {
701 struct mt76_txwi_cache *txwi;
702 int id;
703
704 mt7915_unregister_ext_phy(dev);
705 mt76_unregister_device(&dev->mt76);
706 mt7915_mcu_exit(dev);
707 mt7915_dma_cleanup(dev);
708
709 spin_lock_bh(&dev->token_lock);
710 idr_for_each_entry(&dev->token, txwi, id) {
711 mt7915_txp_skb_unmap(&dev->mt76, txwi);
712 if (txwi->skb) {
713 struct ieee80211_hw *hw;
714
715 hw = mt76_tx_status_get_hw(&dev->mt76, txwi->skb);
716 ieee80211_free_txskb(hw, txwi->skb);
717 }
718 mt76_put_txwi(&dev->mt76, txwi);
719 }
720 spin_unlock_bh(&dev->token_lock);
721 idr_destroy(&dev->token);
722
723 mt76_free_device(&dev->mt76);
724 }
725