1 // SPDX-License-Identifier: ISC
2 /* Copyright (C) 2020 MediaTek Inc. */
3
4 #include <linux/etherdevice.h>
5 #include <linux/hwmon.h>
6 #include <linux/hwmon-sysfs.h>
7 #include <linux/of.h>
8 #include <linux/thermal.h>
9 #include "mt7915.h"
10 #include "mac.h"
11 #include "mcu.h"
12 #include "coredump.h"
13 #include "eeprom.h"
14
15 static const struct ieee80211_iface_limit if_limits[] = {
16 {
17 .max = 1,
18 .types = BIT(NL80211_IFTYPE_ADHOC)
19 }, {
20 .max = 16,
21 .types = BIT(NL80211_IFTYPE_AP)
22 #ifdef CONFIG_MAC80211_MESH
23 | BIT(NL80211_IFTYPE_MESH_POINT)
24 #endif
25 }, {
26 .max = MT7915_MAX_INTERFACES,
27 .types = BIT(NL80211_IFTYPE_STATION)
28 }
29 };
30
31 static const struct ieee80211_iface_combination if_comb[] = {
32 {
33 .limits = if_limits,
34 .n_limits = ARRAY_SIZE(if_limits),
35 .max_interfaces = MT7915_MAX_INTERFACES,
36 .num_different_channels = 1,
37 .beacon_int_infra_match = true,
38 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
39 BIT(NL80211_CHAN_WIDTH_20) |
40 BIT(NL80211_CHAN_WIDTH_40) |
41 BIT(NL80211_CHAN_WIDTH_80) |
42 BIT(NL80211_CHAN_WIDTH_160),
43 }
44 };
45
mt7915_thermal_temp_show(struct device * dev,struct device_attribute * attr,char * buf)46 static ssize_t mt7915_thermal_temp_show(struct device *dev,
47 struct device_attribute *attr,
48 char *buf)
49 {
50 struct mt7915_phy *phy = dev_get_drvdata(dev);
51 int i = to_sensor_dev_attr(attr)->index;
52 int temperature;
53
54 switch (i) {
55 case 0:
56 temperature = mt7915_mcu_get_temperature(phy);
57 if (temperature < 0)
58 return temperature;
59 /* display in millidegree celcius */
60 return sprintf(buf, "%u\n", temperature * 1000);
61 case 1:
62 case 2:
63 return sprintf(buf, "%u\n",
64 phy->throttle_temp[i - 1] * 1000);
65 case 3:
66 return sprintf(buf, "%hhu\n", phy->throttle_state);
67 default:
68 return -EINVAL;
69 }
70 }
71
mt7915_thermal_temp_store(struct device * dev,struct device_attribute * attr,const char * buf,size_t count)72 static ssize_t mt7915_thermal_temp_store(struct device *dev,
73 struct device_attribute *attr,
74 const char *buf, size_t count)
75 {
76 struct mt7915_phy *phy = dev_get_drvdata(dev);
77 int ret, i = to_sensor_dev_attr(attr)->index;
78 long val;
79
80 ret = kstrtol(buf, 10, &val);
81 if (ret < 0)
82 return ret;
83
84 mutex_lock(&phy->dev->mt76.mutex);
85 val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 60, 130);
86
87 if ((i - 1 == MT7915_CRIT_TEMP_IDX &&
88 val > phy->throttle_temp[MT7915_MAX_TEMP_IDX]) ||
89 (i - 1 == MT7915_MAX_TEMP_IDX &&
90 val < phy->throttle_temp[MT7915_CRIT_TEMP_IDX])) {
91 dev_err(phy->dev->mt76.dev,
92 "temp1_max shall be greater than temp1_crit.");
93 mutex_unlock(&phy->dev->mt76.mutex);
94 return -EINVAL;
95 }
96
97 phy->throttle_temp[i - 1] = val;
98 mutex_unlock(&phy->dev->mt76.mutex);
99
100 ret = mt7915_mcu_set_thermal_protect(phy);
101 if (ret)
102 return ret;
103
104 return count;
105 }
106
107 static SENSOR_DEVICE_ATTR_RO(temp1_input, mt7915_thermal_temp, 0);
108 static SENSOR_DEVICE_ATTR_RW(temp1_crit, mt7915_thermal_temp, 1);
109 static SENSOR_DEVICE_ATTR_RW(temp1_max, mt7915_thermal_temp, 2);
110 static SENSOR_DEVICE_ATTR_RO(throttle1, mt7915_thermal_temp, 3);
111
112 static struct attribute *mt7915_hwmon_attrs[] = {
113 &sensor_dev_attr_temp1_input.dev_attr.attr,
114 &sensor_dev_attr_temp1_crit.dev_attr.attr,
115 &sensor_dev_attr_temp1_max.dev_attr.attr,
116 &sensor_dev_attr_throttle1.dev_attr.attr,
117 NULL,
118 };
119 ATTRIBUTE_GROUPS(mt7915_hwmon);
120
121 static int
mt7915_thermal_get_max_throttle_state(struct thermal_cooling_device * cdev,unsigned long * state)122 mt7915_thermal_get_max_throttle_state(struct thermal_cooling_device *cdev,
123 unsigned long *state)
124 {
125 *state = MT7915_CDEV_THROTTLE_MAX;
126
127 return 0;
128 }
129
130 static int
mt7915_thermal_get_cur_throttle_state(struct thermal_cooling_device * cdev,unsigned long * state)131 mt7915_thermal_get_cur_throttle_state(struct thermal_cooling_device *cdev,
132 unsigned long *state)
133 {
134 struct mt7915_phy *phy = cdev->devdata;
135
136 *state = phy->cdev_state;
137
138 return 0;
139 }
140
141 static int
mt7915_thermal_set_cur_throttle_state(struct thermal_cooling_device * cdev,unsigned long state)142 mt7915_thermal_set_cur_throttle_state(struct thermal_cooling_device *cdev,
143 unsigned long state)
144 {
145 struct mt7915_phy *phy = cdev->devdata;
146 u8 throttling = MT7915_THERMAL_THROTTLE_MAX - state;
147 int ret;
148
149 if (state > MT7915_CDEV_THROTTLE_MAX) {
150 dev_err(phy->dev->mt76.dev,
151 "please specify a valid throttling state\n");
152 return -EINVAL;
153 }
154
155 if (state == phy->cdev_state)
156 return 0;
157
158 /*
159 * cooling_device convention: 0 = no cooling, more = more cooling
160 * mcu convention: 1 = max cooling, more = less cooling
161 */
162 ret = mt7915_mcu_set_thermal_throttling(phy, throttling);
163 if (ret)
164 return ret;
165
166 phy->cdev_state = state;
167
168 return 0;
169 }
170
171 static const struct thermal_cooling_device_ops mt7915_thermal_ops = {
172 .get_max_state = mt7915_thermal_get_max_throttle_state,
173 .get_cur_state = mt7915_thermal_get_cur_throttle_state,
174 .set_cur_state = mt7915_thermal_set_cur_throttle_state,
175 };
176
mt7915_unregister_thermal(struct mt7915_phy * phy)177 static void mt7915_unregister_thermal(struct mt7915_phy *phy)
178 {
179 struct wiphy *wiphy = phy->mt76->hw->wiphy;
180
181 if (!phy->cdev)
182 return;
183
184 sysfs_remove_link(&wiphy->dev.kobj, "cooling_device");
185 thermal_cooling_device_unregister(phy->cdev);
186 }
187
mt7915_thermal_init(struct mt7915_phy * phy)188 static int mt7915_thermal_init(struct mt7915_phy *phy)
189 {
190 struct wiphy *wiphy = phy->mt76->hw->wiphy;
191 struct thermal_cooling_device *cdev;
192 struct device *hwmon;
193 const char *name;
194
195 name = devm_kasprintf(&wiphy->dev, GFP_KERNEL, "mt7915_%s",
196 wiphy_name(wiphy));
197 if (!name)
198 return -ENOMEM;
199
200 cdev = thermal_cooling_device_register(name, phy, &mt7915_thermal_ops);
201 if (!IS_ERR(cdev)) {
202 if (sysfs_create_link(&wiphy->dev.kobj, &cdev->device.kobj,
203 "cooling_device") < 0)
204 thermal_cooling_device_unregister(cdev);
205 else
206 phy->cdev = cdev;
207 }
208
209 /* initialize critical/maximum high temperature */
210 phy->throttle_temp[MT7915_CRIT_TEMP_IDX] = MT7915_CRIT_TEMP;
211 phy->throttle_temp[MT7915_MAX_TEMP_IDX] = MT7915_MAX_TEMP;
212
213 if (!IS_REACHABLE(CONFIG_HWMON))
214 return 0;
215
216 hwmon = devm_hwmon_device_register_with_groups(&wiphy->dev, name, phy,
217 mt7915_hwmon_groups);
218 return PTR_ERR_OR_ZERO(hwmon);
219 }
220
mt7915_led_set_config(struct led_classdev * led_cdev,u8 delay_on,u8 delay_off)221 static void mt7915_led_set_config(struct led_classdev *led_cdev,
222 u8 delay_on, u8 delay_off)
223 {
224 struct mt7915_dev *dev;
225 struct mt76_phy *mphy;
226 u32 val;
227
228 mphy = container_of(led_cdev, struct mt76_phy, leds.cdev);
229 dev = container_of(mphy->dev, struct mt7915_dev, mt76);
230
231 /* set PWM mode */
232 val = FIELD_PREP(MT_LED_STATUS_DURATION, 0xffff) |
233 FIELD_PREP(MT_LED_STATUS_OFF, delay_off) |
234 FIELD_PREP(MT_LED_STATUS_ON, delay_on);
235 mt76_wr(dev, MT_LED_STATUS_0(mphy->band_idx), val);
236 mt76_wr(dev, MT_LED_STATUS_1(mphy->band_idx), val);
237
238 /* enable LED */
239 mt76_wr(dev, MT_LED_EN(mphy->band_idx), 1);
240
241 /* control LED */
242 val = MT_LED_CTRL_KICK;
243 if (dev->mphy.leds.al)
244 val |= MT_LED_CTRL_POLARITY;
245 if (mphy->band_idx)
246 val |= MT_LED_CTRL_BAND;
247
248 mt76_wr(dev, MT_LED_CTRL(mphy->band_idx), val);
249 mt76_clear(dev, MT_LED_CTRL(mphy->band_idx), MT_LED_CTRL_KICK);
250 }
251
mt7915_led_set_blink(struct led_classdev * led_cdev,unsigned long * delay_on,unsigned long * delay_off)252 static int mt7915_led_set_blink(struct led_classdev *led_cdev,
253 unsigned long *delay_on,
254 unsigned long *delay_off)
255 {
256 u16 delta_on = 0, delta_off = 0;
257
258 #define HW_TICK 10
259 #define TO_HW_TICK(_t) (((_t) > HW_TICK) ? ((_t) / HW_TICK) : HW_TICK)
260
261 if (*delay_on)
262 delta_on = TO_HW_TICK(*delay_on);
263 if (*delay_off)
264 delta_off = TO_HW_TICK(*delay_off);
265
266 mt7915_led_set_config(led_cdev, delta_on, delta_off);
267
268 return 0;
269 }
270
mt7915_led_set_brightness(struct led_classdev * led_cdev,enum led_brightness brightness)271 static void mt7915_led_set_brightness(struct led_classdev *led_cdev,
272 enum led_brightness brightness)
273 {
274 if (!brightness)
275 mt7915_led_set_config(led_cdev, 0, 0xff);
276 else
277 mt7915_led_set_config(led_cdev, 0xff, 0);
278 }
279
__mt7915_init_txpower(struct mt7915_phy * phy,struct ieee80211_supported_band * sband)280 static void __mt7915_init_txpower(struct mt7915_phy *phy,
281 struct ieee80211_supported_band *sband)
282 {
283 struct mt7915_dev *dev = phy->dev;
284 int i, n_chains = hweight16(phy->mt76->chainmask);
285 int nss_delta = mt76_tx_power_nss_delta(n_chains);
286 int pwr_delta = mt7915_eeprom_get_power_delta(dev, sband->band);
287 struct mt76_power_limits limits;
288
289 for (i = 0; i < sband->n_channels; i++) {
290 struct ieee80211_channel *chan = &sband->channels[i];
291 u32 target_power = 0;
292 int j;
293
294 for (j = 0; j < n_chains; j++) {
295 u32 val;
296
297 val = mt7915_eeprom_get_target_power(dev, chan, j);
298 target_power = max(target_power, val);
299 }
300
301 target_power += pwr_delta;
302 target_power = mt76_get_rate_power_limits(phy->mt76, chan,
303 &limits,
304 target_power);
305 target_power += nss_delta;
306 target_power = DIV_ROUND_UP(target_power, 2);
307 chan->max_power = min_t(int, chan->max_reg_power,
308 target_power);
309 chan->orig_mpwr = target_power;
310 }
311 }
312
mt7915_init_txpower(struct mt7915_phy * phy)313 void mt7915_init_txpower(struct mt7915_phy *phy)
314 {
315 if (!phy)
316 return;
317
318 if (phy->mt76->cap.has_2ghz)
319 __mt7915_init_txpower(phy, &phy->mt76->sband_2g.sband);
320 if (phy->mt76->cap.has_5ghz)
321 __mt7915_init_txpower(phy, &phy->mt76->sband_5g.sband);
322 if (phy->mt76->cap.has_6ghz)
323 __mt7915_init_txpower(phy, &phy->mt76->sband_6g.sband);
324 }
325
326 static void
mt7915_regd_notifier(struct wiphy * wiphy,struct regulatory_request * request)327 mt7915_regd_notifier(struct wiphy *wiphy,
328 struct regulatory_request *request)
329 {
330 struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
331 struct mt7915_dev *dev = mt7915_hw_dev(hw);
332 struct mt76_phy *mphy = hw->priv;
333 struct mt7915_phy *phy = mphy->priv;
334
335 memcpy(dev->mt76.alpha2, request->alpha2, sizeof(dev->mt76.alpha2));
336 dev->mt76.region = request->dfs_region;
337
338 if (dev->mt76.region == NL80211_DFS_UNSET)
339 mt7915_mcu_rdd_background_enable(phy, NULL);
340
341 mt7915_init_txpower(phy);
342
343 mphy->dfs_state = MT_DFS_STATE_UNKNOWN;
344 mt7915_dfs_init_radar_detector(phy);
345 }
346
347 static void
mt7915_init_wiphy(struct mt7915_phy * phy)348 mt7915_init_wiphy(struct mt7915_phy *phy)
349 {
350 struct mt76_phy *mphy = phy->mt76;
351 struct ieee80211_hw *hw = mphy->hw;
352 struct mt76_dev *mdev = &phy->dev->mt76;
353 struct wiphy *wiphy = hw->wiphy;
354 struct mt7915_dev *dev = phy->dev;
355
356 hw->queues = 4;
357 hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF_HE;
358 hw->max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF_HE;
359 hw->netdev_features = NETIF_F_RXCSUM;
360
361 if (mtk_wed_device_active(&mdev->mmio.wed))
362 hw->netdev_features |= NETIF_F_HW_TC;
363
364 hw->radiotap_timestamp.units_pos =
365 IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US;
366
367 phy->slottime = 9;
368
369 hw->sta_data_size = sizeof(struct mt7915_sta);
370 hw->vif_data_size = sizeof(struct mt7915_vif);
371
372 wiphy->iface_combinations = if_comb;
373 wiphy->n_iface_combinations = ARRAY_SIZE(if_comb);
374 wiphy->reg_notifier = mt7915_regd_notifier;
375 wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
376 wiphy->mbssid_max_interfaces = 16;
377
378 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BSS_COLOR);
379 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_VHT_IBSS);
380 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_LEGACY);
381 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_HT);
382 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_VHT);
383 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_HE);
384 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_UNSOL_BCAST_PROBE_RESP);
385 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_FILS_DISCOVERY);
386 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT);
387 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_CAN_REPLACE_PTK0);
388
389 if (!is_mt7915(&dev->mt76))
390 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_STA_TX_PWR);
391
392 if (!mdev->dev->of_node ||
393 !of_property_read_bool(mdev->dev->of_node,
394 "mediatek,disable-radar-background"))
395 wiphy_ext_feature_set(wiphy,
396 NL80211_EXT_FEATURE_RADAR_BACKGROUND);
397
398 ieee80211_hw_set(hw, HAS_RATE_CONTROL);
399 ieee80211_hw_set(hw, SUPPORTS_TX_ENCAP_OFFLOAD);
400 ieee80211_hw_set(hw, SUPPORTS_RX_DECAP_OFFLOAD);
401 ieee80211_hw_set(hw, SUPPORTS_MULTI_BSSID);
402 ieee80211_hw_set(hw, WANT_MONITOR_VIF);
403 ieee80211_hw_set(hw, SUPPORTS_TX_FRAG);
404
405 hw->max_tx_fragments = 4;
406
407 if (phy->mt76->cap.has_2ghz) {
408 phy->mt76->sband_2g.sband.ht_cap.cap |=
409 IEEE80211_HT_CAP_LDPC_CODING |
410 IEEE80211_HT_CAP_MAX_AMSDU;
411 if (is_mt7915(&dev->mt76))
412 phy->mt76->sband_2g.sband.ht_cap.ampdu_density =
413 IEEE80211_HT_MPDU_DENSITY_4;
414 else
415 phy->mt76->sband_2g.sband.ht_cap.ampdu_density =
416 IEEE80211_HT_MPDU_DENSITY_2;
417 }
418
419 if (phy->mt76->cap.has_5ghz) {
420 struct ieee80211_sta_vht_cap *vht_cap;
421
422 vht_cap = &phy->mt76->sband_5g.sband.vht_cap;
423 phy->mt76->sband_5g.sband.ht_cap.cap |=
424 IEEE80211_HT_CAP_LDPC_CODING |
425 IEEE80211_HT_CAP_MAX_AMSDU;
426
427 if (is_mt7915(&dev->mt76)) {
428 phy->mt76->sband_5g.sband.ht_cap.ampdu_density =
429 IEEE80211_HT_MPDU_DENSITY_4;
430
431 vht_cap->cap |=
432 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 |
433 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK;
434
435 if (!dev->dbdc_support)
436 vht_cap->cap |=
437 IEEE80211_VHT_CAP_SHORT_GI_160 |
438 FIELD_PREP(IEEE80211_VHT_CAP_EXT_NSS_BW_MASK, 1);
439 } else {
440 phy->mt76->sband_5g.sband.ht_cap.ampdu_density =
441 IEEE80211_HT_MPDU_DENSITY_2;
442
443 vht_cap->cap |=
444 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |
445 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK;
446
447 /* mt7916 dbdc with 2g 2x2 bw40 and 5g 2x2 bw160c */
448 vht_cap->cap |=
449 IEEE80211_VHT_CAP_SHORT_GI_160 |
450 IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
451 }
452
453 if (!is_mt7915(&dev->mt76) || !dev->dbdc_support)
454 ieee80211_hw_set(hw, SUPPORTS_VHT_EXT_NSS_BW);
455 }
456
457 mt76_set_stream_caps(phy->mt76, true);
458 mt7915_set_stream_vht_txbf_caps(phy);
459 mt7915_set_stream_he_caps(phy);
460 mt7915_init_txpower(phy);
461
462 wiphy->available_antennas_rx = phy->mt76->antenna_mask;
463 wiphy->available_antennas_tx = phy->mt76->antenna_mask;
464
465 /* init led callbacks */
466 if (IS_ENABLED(CONFIG_MT76_LEDS)) {
467 mphy->leds.cdev.brightness_set = mt7915_led_set_brightness;
468 mphy->leds.cdev.blink_set = mt7915_led_set_blink;
469 }
470 }
471
472 static void
mt7915_mac_init_band(struct mt7915_dev * dev,u8 band)473 mt7915_mac_init_band(struct mt7915_dev *dev, u8 band)
474 {
475 u32 mask, set;
476
477 mt76_rmw_field(dev, MT_TMAC_CTCR0(band),
478 MT_TMAC_CTCR0_INS_DDLMT_REFTIME, 0x3f);
479 mt76_set(dev, MT_TMAC_CTCR0(band),
480 MT_TMAC_CTCR0_INS_DDLMT_VHT_SMPDU_EN |
481 MT_TMAC_CTCR0_INS_DDLMT_EN);
482
483 mask = MT_MDP_RCFR0_MCU_RX_MGMT |
484 MT_MDP_RCFR0_MCU_RX_CTL_NON_BAR |
485 MT_MDP_RCFR0_MCU_RX_CTL_BAR;
486 set = FIELD_PREP(MT_MDP_RCFR0_MCU_RX_MGMT, MT_MDP_TO_HIF) |
487 FIELD_PREP(MT_MDP_RCFR0_MCU_RX_CTL_NON_BAR, MT_MDP_TO_HIF) |
488 FIELD_PREP(MT_MDP_RCFR0_MCU_RX_CTL_BAR, MT_MDP_TO_HIF);
489 mt76_rmw(dev, MT_MDP_BNRCFR0(band), mask, set);
490
491 mask = MT_MDP_RCFR1_MCU_RX_BYPASS |
492 MT_MDP_RCFR1_RX_DROPPED_UCAST |
493 MT_MDP_RCFR1_RX_DROPPED_MCAST;
494 set = FIELD_PREP(MT_MDP_RCFR1_MCU_RX_BYPASS, MT_MDP_TO_HIF) |
495 FIELD_PREP(MT_MDP_RCFR1_RX_DROPPED_UCAST, MT_MDP_TO_HIF) |
496 FIELD_PREP(MT_MDP_RCFR1_RX_DROPPED_MCAST, MT_MDP_TO_HIF);
497 mt76_rmw(dev, MT_MDP_BNRCFR1(band), mask, set);
498
499 mt76_rmw_field(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_MAX_RX_LEN, 0x680);
500
501 /* mt7915: disable rx rate report by default due to hw issues */
502 mt76_clear(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_RXD_G5_EN);
503
504 /* clear estimated value of EIFS for Rx duration & OBSS time */
505 mt76_wr(dev, MT_WF_RMAC_RSVD0(band), MT_WF_RMAC_RSVD0_EIFS_CLR);
506
507 /* clear backoff time for Rx duration */
508 mt76_clear(dev, MT_WF_RMAC_MIB_AIRTIME1(band),
509 MT_WF_RMAC_MIB_NONQOSD_BACKOFF);
510 mt76_clear(dev, MT_WF_RMAC_MIB_AIRTIME3(band),
511 MT_WF_RMAC_MIB_QOS01_BACKOFF);
512 mt76_clear(dev, MT_WF_RMAC_MIB_AIRTIME4(band),
513 MT_WF_RMAC_MIB_QOS23_BACKOFF);
514
515 /* clear backoff time and set software compensation for OBSS time */
516 mask = MT_WF_RMAC_MIB_OBSS_BACKOFF | MT_WF_RMAC_MIB_ED_OFFSET;
517 set = FIELD_PREP(MT_WF_RMAC_MIB_OBSS_BACKOFF, 0) |
518 FIELD_PREP(MT_WF_RMAC_MIB_ED_OFFSET, 4);
519 mt76_rmw(dev, MT_WF_RMAC_MIB_AIRTIME0(band), mask, set);
520
521 /* filter out non-resp frames and get instanstaeous signal reporting */
522 mask = MT_WTBLOFF_TOP_RSCR_RCPI_MODE | MT_WTBLOFF_TOP_RSCR_RCPI_PARAM;
523 set = FIELD_PREP(MT_WTBLOFF_TOP_RSCR_RCPI_MODE, 0) |
524 FIELD_PREP(MT_WTBLOFF_TOP_RSCR_RCPI_PARAM, 0x3);
525 mt76_rmw(dev, MT_WTBLOFF_TOP_RSCR(band), mask, set);
526
527 /* MT_TXD5_TX_STATUS_HOST (MPDU format) has higher priority than
528 * MT_AGG_ACR_PPDU_TXS2H (PPDU format) even though ACR bit is set.
529 */
530 if (mtk_wed_device_active(&dev->mt76.mmio.wed))
531 mt76_set(dev, MT_AGG_ACR4(band), MT_AGG_ACR_PPDU_TXS2H);
532 }
533
534 static void
mt7915_init_led_mux(struct mt7915_dev * dev)535 mt7915_init_led_mux(struct mt7915_dev *dev)
536 {
537 if (!IS_ENABLED(CONFIG_MT76_LEDS))
538 return;
539
540 if (dev->dbdc_support) {
541 switch (mt76_chip(&dev->mt76)) {
542 case 0x7915:
543 mt76_rmw_field(dev, MT_LED_GPIO_MUX2,
544 GENMASK(11, 8), 4);
545 mt76_rmw_field(dev, MT_LED_GPIO_MUX3,
546 GENMASK(11, 8), 4);
547 break;
548 case 0x7986:
549 mt76_rmw_field(dev, MT_LED_GPIO_MUX0,
550 GENMASK(7, 4), 1);
551 mt76_rmw_field(dev, MT_LED_GPIO_MUX0,
552 GENMASK(11, 8), 1);
553 break;
554 case 0x7916:
555 mt76_rmw_field(dev, MT_LED_GPIO_MUX1,
556 GENMASK(27, 24), 3);
557 mt76_rmw_field(dev, MT_LED_GPIO_MUX1,
558 GENMASK(31, 28), 3);
559 break;
560 default:
561 break;
562 }
563 } else if (dev->mphy.leds.pin) {
564 switch (mt76_chip(&dev->mt76)) {
565 case 0x7915:
566 mt76_rmw_field(dev, MT_LED_GPIO_MUX3,
567 GENMASK(11, 8), 4);
568 break;
569 case 0x7986:
570 mt76_rmw_field(dev, MT_LED_GPIO_MUX0,
571 GENMASK(11, 8), 1);
572 break;
573 case 0x7916:
574 mt76_rmw_field(dev, MT_LED_GPIO_MUX1,
575 GENMASK(31, 28), 3);
576 break;
577 default:
578 break;
579 }
580 } else {
581 switch (mt76_chip(&dev->mt76)) {
582 case 0x7915:
583 mt76_rmw_field(dev, MT_LED_GPIO_MUX2,
584 GENMASK(11, 8), 4);
585 break;
586 case 0x7986:
587 mt76_rmw_field(dev, MT_LED_GPIO_MUX0,
588 GENMASK(7, 4), 1);
589 break;
590 case 0x7916:
591 mt76_rmw_field(dev, MT_LED_GPIO_MUX1,
592 GENMASK(27, 24), 3);
593 break;
594 default:
595 break;
596 }
597 }
598 }
599
mt7915_mac_init(struct mt7915_dev * dev)600 void mt7915_mac_init(struct mt7915_dev *dev)
601 {
602 int i;
603 u32 rx_len = is_mt7915(&dev->mt76) ? 0x400 : 0x680;
604
605 /* config pse qid6 wfdma port selection */
606 if (!is_mt7915(&dev->mt76) && dev->hif2)
607 mt76_rmw(dev, MT_WF_PP_TOP_RXQ_WFDMA_CF_5, 0,
608 MT_WF_PP_TOP_RXQ_QID6_WFDMA_HIF_SEL_MASK);
609
610 mt76_rmw_field(dev, MT_MDP_DCR1, MT_MDP_DCR1_MAX_RX_LEN, rx_len);
611
612 if (!is_mt7915(&dev->mt76))
613 mt76_clear(dev, MT_MDP_DCR2, MT_MDP_DCR2_RX_TRANS_SHORT);
614 else
615 mt76_clear(dev, MT_PLE_HOST_RPT0, MT_PLE_HOST_RPT0_TX_LATENCY);
616
617 /* enable hardware de-agg */
618 mt76_set(dev, MT_MDP_DCR0, MT_MDP_DCR0_DAMSDU_EN);
619
620 for (i = 0; i < mt7915_wtbl_size(dev); i++)
621 mt7915_mac_wtbl_update(dev, i,
622 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
623 for (i = 0; i < 2; i++)
624 mt7915_mac_init_band(dev, i);
625
626 mt7915_init_led_mux(dev);
627 }
628
mt7915_txbf_init(struct mt7915_dev * dev)629 int mt7915_txbf_init(struct mt7915_dev *dev)
630 {
631 int ret;
632
633 if (dev->dbdc_support) {
634 ret = mt7915_mcu_set_txbf(dev, MT_BF_MODULE_UPDATE);
635 if (ret)
636 return ret;
637 }
638
639 /* trigger sounding packets */
640 ret = mt7915_mcu_set_txbf(dev, MT_BF_SOUNDING_ON);
641 if (ret)
642 return ret;
643
644 /* enable eBF */
645 return mt7915_mcu_set_txbf(dev, MT_BF_TYPE_UPDATE);
646 }
647
648 static struct mt7915_phy *
mt7915_alloc_ext_phy(struct mt7915_dev * dev)649 mt7915_alloc_ext_phy(struct mt7915_dev *dev)
650 {
651 struct mt7915_phy *phy;
652 struct mt76_phy *mphy;
653
654 if (!dev->dbdc_support)
655 return NULL;
656
657 mphy = mt76_alloc_phy(&dev->mt76, sizeof(*phy), &mt7915_ops, MT_BAND1);
658 if (!mphy)
659 return ERR_PTR(-ENOMEM);
660
661 phy = mphy->priv;
662 phy->dev = dev;
663 phy->mt76 = mphy;
664
665 /* Bind main phy to band0 and ext_phy to band1 for dbdc case */
666 phy->mt76->band_idx = 1;
667
668 return phy;
669 }
670
671 static int
mt7915_register_ext_phy(struct mt7915_dev * dev,struct mt7915_phy * phy)672 mt7915_register_ext_phy(struct mt7915_dev *dev, struct mt7915_phy *phy)
673 {
674 struct mt76_phy *mphy = phy->mt76;
675 int ret;
676
677 INIT_DELAYED_WORK(&mphy->mac_work, mt7915_mac_work);
678
679 mt7915_eeprom_parse_hw_cap(dev, phy);
680
681 memcpy(mphy->macaddr, dev->mt76.eeprom.data + MT_EE_MAC_ADDR2,
682 ETH_ALEN);
683 /* Make the secondary PHY MAC address local without overlapping with
684 * the usual MAC address allocation scheme on multiple virtual interfaces
685 */
686 if (!is_valid_ether_addr(mphy->macaddr)) {
687 memcpy(mphy->macaddr, dev->mt76.eeprom.data + MT_EE_MAC_ADDR,
688 ETH_ALEN);
689 mphy->macaddr[0] |= 2;
690 mphy->macaddr[0] ^= BIT(7);
691 }
692 mt76_eeprom_override(mphy);
693
694 /* init wiphy according to mphy and phy */
695 mt7915_init_wiphy(phy);
696
697 ret = mt76_register_phy(mphy, true, mt76_rates,
698 ARRAY_SIZE(mt76_rates));
699 if (ret)
700 return ret;
701
702 ret = mt7915_thermal_init(phy);
703 if (ret)
704 goto unreg;
705
706 mt7915_init_debugfs(phy);
707
708 return 0;
709
710 unreg:
711 mt76_unregister_phy(mphy);
712 return ret;
713 }
714
mt7915_init_work(struct work_struct * work)715 static void mt7915_init_work(struct work_struct *work)
716 {
717 struct mt7915_dev *dev = container_of(work, struct mt7915_dev,
718 init_work);
719
720 mt7915_mcu_set_eeprom(dev);
721 mt7915_mac_init(dev);
722 mt7915_txbf_init(dev);
723 }
724
mt7915_wfsys_reset(struct mt7915_dev * dev)725 void mt7915_wfsys_reset(struct mt7915_dev *dev)
726 {
727 #define MT_MCU_DUMMY_RANDOM GENMASK(15, 0)
728 #define MT_MCU_DUMMY_DEFAULT GENMASK(31, 16)
729
730 if (is_mt7915(&dev->mt76)) {
731 u32 val = MT_TOP_PWR_KEY | MT_TOP_PWR_SW_PWR_ON | MT_TOP_PWR_PWR_ON;
732
733 mt76_wr(dev, MT_MCU_WFDMA0_DUMMY_CR, MT_MCU_DUMMY_RANDOM);
734
735 /* change to software control */
736 val |= MT_TOP_PWR_SW_RST;
737 mt76_wr(dev, MT_TOP_PWR_CTRL, val);
738
739 /* reset wfsys */
740 val &= ~MT_TOP_PWR_SW_RST;
741 mt76_wr(dev, MT_TOP_PWR_CTRL, val);
742
743 /* release wfsys then mcu re-executes romcode */
744 val |= MT_TOP_PWR_SW_RST;
745 mt76_wr(dev, MT_TOP_PWR_CTRL, val);
746
747 /* switch to hw control */
748 val &= ~MT_TOP_PWR_SW_RST;
749 val |= MT_TOP_PWR_HW_CTRL;
750 mt76_wr(dev, MT_TOP_PWR_CTRL, val);
751
752 /* check whether mcu resets to default */
753 if (!mt76_poll_msec(dev, MT_MCU_WFDMA0_DUMMY_CR,
754 MT_MCU_DUMMY_DEFAULT, MT_MCU_DUMMY_DEFAULT,
755 1000)) {
756 dev_err(dev->mt76.dev, "wifi subsystem reset failure\n");
757 return;
758 }
759
760 /* wfsys reset won't clear host registers */
761 mt76_clear(dev, MT_TOP_MISC, MT_TOP_MISC_FW_STATE);
762
763 msleep(100);
764 } else if (is_mt798x(&dev->mt76)) {
765 mt7986_wmac_disable(dev);
766 msleep(20);
767
768 mt7986_wmac_enable(dev);
769 msleep(20);
770 } else {
771 mt76_set(dev, MT_WF_SUBSYS_RST, 0x1);
772 msleep(20);
773
774 mt76_clear(dev, MT_WF_SUBSYS_RST, 0x1);
775 msleep(20);
776 }
777 }
778
mt7915_band_config(struct mt7915_dev * dev)779 static bool mt7915_band_config(struct mt7915_dev *dev)
780 {
781 bool ret = true;
782
783 dev->phy.mt76->band_idx = 0;
784
785 if (is_mt798x(&dev->mt76)) {
786 u32 sku = mt7915_check_adie(dev, true);
787
788 /*
789 * for mt7986, dbdc support is determined by the number
790 * of adie chips and the main phy is bound to band1 when
791 * dbdc is disabled.
792 */
793 if (sku == MT7975_ONE_ADIE || sku == MT7976_ONE_ADIE) {
794 dev->phy.mt76->band_idx = 1;
795 ret = false;
796 }
797 } else {
798 ret = is_mt7915(&dev->mt76) ?
799 !!(mt76_rr(dev, MT_HW_BOUND) & BIT(5)) : true;
800 }
801
802 return ret;
803 }
804
805 static int
mt7915_init_hardware(struct mt7915_dev * dev,struct mt7915_phy * phy2)806 mt7915_init_hardware(struct mt7915_dev *dev, struct mt7915_phy *phy2)
807 {
808 int ret, idx;
809
810 mt76_wr(dev, MT_INT_MASK_CSR, 0);
811 mt76_wr(dev, MT_INT_SOURCE_CSR, ~0);
812
813 INIT_WORK(&dev->init_work, mt7915_init_work);
814
815 ret = mt7915_dma_init(dev, phy2);
816 if (ret)
817 return ret;
818
819 set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state);
820
821 ret = mt7915_mcu_init(dev);
822 if (ret)
823 return ret;
824
825 ret = mt7915_eeprom_init(dev);
826 if (ret < 0)
827 return ret;
828
829 if (dev->cal) {
830 ret = mt7915_mcu_apply_group_cal(dev);
831 if (ret)
832 return ret;
833 }
834
835 /* Beacon and mgmt frames should occupy wcid 0 */
836 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7915_WTBL_STA);
837 if (idx)
838 return -ENOSPC;
839
840 dev->mt76.global_wcid.idx = idx;
841 dev->mt76.global_wcid.hw_key_idx = -1;
842 dev->mt76.global_wcid.tx_info |= MT_WCID_TX_INFO_SET;
843 rcu_assign_pointer(dev->mt76.wcid[idx], &dev->mt76.global_wcid);
844
845 return 0;
846 }
847
mt7915_set_stream_vht_txbf_caps(struct mt7915_phy * phy)848 void mt7915_set_stream_vht_txbf_caps(struct mt7915_phy *phy)
849 {
850 int sts;
851 u32 *cap;
852
853 if (!phy->mt76->cap.has_5ghz)
854 return;
855
856 sts = hweight8(phy->mt76->chainmask);
857 cap = &phy->mt76->sband_5g.sband.vht_cap.cap;
858
859 *cap |= IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
860 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE |
861 FIELD_PREP(IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK,
862 sts - 1);
863
864 *cap &= ~(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK |
865 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
866 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE);
867
868 if (sts < 2)
869 return;
870
871 *cap |= IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
872 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE |
873 FIELD_PREP(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK,
874 sts - 1);
875 }
876
877 static void
mt7915_set_stream_he_txbf_caps(struct mt7915_phy * phy,struct ieee80211_sta_he_cap * he_cap,int vif)878 mt7915_set_stream_he_txbf_caps(struct mt7915_phy *phy,
879 struct ieee80211_sta_he_cap *he_cap, int vif)
880 {
881 struct mt7915_dev *dev = phy->dev;
882 struct ieee80211_he_cap_elem *elem = &he_cap->he_cap_elem;
883 int sts = hweight8(phy->mt76->chainmask);
884 u8 c, sts_160 = sts;
885
886 /* Can do 1/2 of STS in 160Mhz mode for mt7915 */
887 if (is_mt7915(&dev->mt76)) {
888 if (!dev->dbdc_support)
889 sts_160 /= 2;
890 else
891 sts_160 = 0;
892 }
893
894 #ifdef CONFIG_MAC80211_MESH
895 if (vif == NL80211_IFTYPE_MESH_POINT)
896 return;
897 #endif
898
899 elem->phy_cap_info[3] &= ~IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER;
900 elem->phy_cap_info[4] &= ~IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER;
901
902 c = IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK;
903 if (sts_160)
904 c |= IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK;
905 elem->phy_cap_info[5] &= ~c;
906
907 c = IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB |
908 IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB;
909 elem->phy_cap_info[6] &= ~c;
910
911 elem->phy_cap_info[7] &= ~IEEE80211_HE_PHY_CAP7_MAX_NC_MASK;
912
913 c = IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US;
914 if (!is_mt7915(&dev->mt76))
915 c |= IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO |
916 IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO;
917 elem->phy_cap_info[2] |= c;
918
919 c = IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE |
920 IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4;
921 if (sts_160)
922 c |= IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4;
923 elem->phy_cap_info[4] |= c;
924
925 /* do not support NG16 due to spec D4.0 changes subcarrier idx */
926 c = IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU |
927 IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU;
928
929 if (vif == NL80211_IFTYPE_STATION)
930 c |= IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO;
931
932 elem->phy_cap_info[6] |= c;
933
934 if (sts < 2)
935 return;
936
937 /* the maximum cap is 4 x 3, (Nr, Nc) = (3, 2) */
938 elem->phy_cap_info[7] |= min_t(int, sts - 1, 2) << 3;
939
940 if (vif != NL80211_IFTYPE_AP && vif != NL80211_IFTYPE_STATION)
941 return;
942
943 elem->phy_cap_info[3] |= IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER;
944
945 c = FIELD_PREP(IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK,
946 sts - 1);
947 if (sts_160)
948 c |= FIELD_PREP(IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK,
949 sts_160 - 1);
950 elem->phy_cap_info[5] |= c;
951
952 if (vif != NL80211_IFTYPE_AP)
953 return;
954
955 elem->phy_cap_info[4] |= IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER;
956
957 c = IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB |
958 IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB;
959 elem->phy_cap_info[6] |= c;
960
961 if (!is_mt7915(&dev->mt76)) {
962 c = IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ |
963 IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ;
964 elem->phy_cap_info[7] |= c;
965 }
966 }
967
968 static int
mt7915_init_he_caps(struct mt7915_phy * phy,enum nl80211_band band,struct ieee80211_sband_iftype_data * data)969 mt7915_init_he_caps(struct mt7915_phy *phy, enum nl80211_band band,
970 struct ieee80211_sband_iftype_data *data)
971 {
972 struct mt7915_dev *dev = phy->dev;
973 int i, idx = 0, nss = hweight8(phy->mt76->antenna_mask);
974 u16 mcs_map = 0;
975 u16 mcs_map_160 = 0;
976 u8 nss_160;
977
978 if (!is_mt7915(&dev->mt76))
979 nss_160 = nss;
980 else if (!dev->dbdc_support)
981 /* Can do 1/2 of NSS streams in 160Mhz mode for mt7915 */
982 nss_160 = nss / 2;
983 else
984 /* Can't do 160MHz with mt7915 dbdc */
985 nss_160 = 0;
986
987 for (i = 0; i < 8; i++) {
988 if (i < nss)
989 mcs_map |= (IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2));
990 else
991 mcs_map |= (IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2));
992
993 if (i < nss_160)
994 mcs_map_160 |= (IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2));
995 else
996 mcs_map_160 |= (IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2));
997 }
998
999 for (i = 0; i < NUM_NL80211_IFTYPES; i++) {
1000 struct ieee80211_sta_he_cap *he_cap = &data[idx].he_cap;
1001 struct ieee80211_he_cap_elem *he_cap_elem =
1002 &he_cap->he_cap_elem;
1003 struct ieee80211_he_mcs_nss_supp *he_mcs =
1004 &he_cap->he_mcs_nss_supp;
1005
1006 switch (i) {
1007 case NL80211_IFTYPE_STATION:
1008 case NL80211_IFTYPE_AP:
1009 #ifdef CONFIG_MAC80211_MESH
1010 case NL80211_IFTYPE_MESH_POINT:
1011 #endif
1012 break;
1013 default:
1014 continue;
1015 }
1016
1017 data[idx].types_mask = BIT(i);
1018 he_cap->has_he = true;
1019
1020 he_cap_elem->mac_cap_info[0] =
1021 IEEE80211_HE_MAC_CAP0_HTC_HE;
1022 he_cap_elem->mac_cap_info[3] =
1023 IEEE80211_HE_MAC_CAP3_OMI_CONTROL |
1024 IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3;
1025 he_cap_elem->mac_cap_info[4] =
1026 IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU;
1027
1028 if (band == NL80211_BAND_2GHZ)
1029 he_cap_elem->phy_cap_info[0] =
1030 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G;
1031 else if (nss_160)
1032 he_cap_elem->phy_cap_info[0] =
1033 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G |
1034 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G;
1035 else
1036 he_cap_elem->phy_cap_info[0] =
1037 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G;
1038
1039 he_cap_elem->phy_cap_info[1] =
1040 IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD;
1041 he_cap_elem->phy_cap_info[2] =
1042 IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ |
1043 IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ;
1044
1045 switch (i) {
1046 case NL80211_IFTYPE_AP:
1047 he_cap_elem->mac_cap_info[0] |=
1048 IEEE80211_HE_MAC_CAP0_TWT_RES;
1049 he_cap_elem->mac_cap_info[2] |=
1050 IEEE80211_HE_MAC_CAP2_BSR;
1051 he_cap_elem->mac_cap_info[4] |=
1052 IEEE80211_HE_MAC_CAP4_BQR;
1053 he_cap_elem->mac_cap_info[5] |=
1054 IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX;
1055 he_cap_elem->phy_cap_info[3] |=
1056 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK |
1057 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK;
1058 he_cap_elem->phy_cap_info[6] |=
1059 IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE |
1060 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT;
1061 he_cap_elem->phy_cap_info[9] |=
1062 IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU |
1063 IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU;
1064 break;
1065 case NL80211_IFTYPE_STATION:
1066 he_cap_elem->mac_cap_info[1] |=
1067 IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US;
1068
1069 if (band == NL80211_BAND_2GHZ)
1070 he_cap_elem->phy_cap_info[0] |=
1071 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G;
1072 else
1073 he_cap_elem->phy_cap_info[0] |=
1074 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G;
1075
1076 he_cap_elem->phy_cap_info[1] |=
1077 IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A |
1078 IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US;
1079 he_cap_elem->phy_cap_info[3] |=
1080 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK |
1081 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK;
1082 he_cap_elem->phy_cap_info[6] |=
1083 IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB |
1084 IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE |
1085 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT;
1086 he_cap_elem->phy_cap_info[7] |=
1087 IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP |
1088 IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI;
1089 he_cap_elem->phy_cap_info[8] |=
1090 IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G |
1091 IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484;
1092 if (nss_160)
1093 he_cap_elem->phy_cap_info[8] |=
1094 IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU |
1095 IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU;
1096 he_cap_elem->phy_cap_info[9] |=
1097 IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM |
1098 IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK |
1099 IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU |
1100 IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU |
1101 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB |
1102 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB;
1103 break;
1104 }
1105
1106 memset(he_mcs, 0, sizeof(*he_mcs));
1107 he_mcs->rx_mcs_80 = cpu_to_le16(mcs_map);
1108 he_mcs->tx_mcs_80 = cpu_to_le16(mcs_map);
1109 he_mcs->rx_mcs_160 = cpu_to_le16(mcs_map_160);
1110 he_mcs->tx_mcs_160 = cpu_to_le16(mcs_map_160);
1111
1112 mt7915_set_stream_he_txbf_caps(phy, he_cap, i);
1113
1114 memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres));
1115 if (he_cap_elem->phy_cap_info[6] &
1116 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
1117 mt76_connac_gen_ppe_thresh(he_cap->ppe_thres, nss);
1118 } else {
1119 he_cap_elem->phy_cap_info[9] |=
1120 u8_encode_bits(IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US,
1121 IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK);
1122 }
1123
1124 if (band == NL80211_BAND_6GHZ) {
1125 u16 cap = IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS |
1126 IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS;
1127
1128 cap |= u16_encode_bits(IEEE80211_HT_MPDU_DENSITY_2,
1129 IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START) |
1130 u16_encode_bits(IEEE80211_VHT_MAX_AMPDU_1024K,
1131 IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP) |
1132 u16_encode_bits(IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454,
1133 IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN);
1134
1135 data[idx].he_6ghz_capa.capa = cpu_to_le16(cap);
1136 }
1137
1138 idx++;
1139 }
1140
1141 return idx;
1142 }
1143
mt7915_set_stream_he_caps(struct mt7915_phy * phy)1144 void mt7915_set_stream_he_caps(struct mt7915_phy *phy)
1145 {
1146 struct ieee80211_sband_iftype_data *data;
1147 struct ieee80211_supported_band *band;
1148 int n;
1149
1150 if (phy->mt76->cap.has_2ghz) {
1151 data = phy->iftype[NL80211_BAND_2GHZ];
1152 n = mt7915_init_he_caps(phy, NL80211_BAND_2GHZ, data);
1153
1154 band = &phy->mt76->sband_2g.sband;
1155 _ieee80211_set_sband_iftype_data(band, data, n);
1156 }
1157
1158 if (phy->mt76->cap.has_5ghz) {
1159 data = phy->iftype[NL80211_BAND_5GHZ];
1160 n = mt7915_init_he_caps(phy, NL80211_BAND_5GHZ, data);
1161
1162 band = &phy->mt76->sband_5g.sband;
1163 _ieee80211_set_sband_iftype_data(band, data, n);
1164 }
1165
1166 if (phy->mt76->cap.has_6ghz) {
1167 data = phy->iftype[NL80211_BAND_6GHZ];
1168 n = mt7915_init_he_caps(phy, NL80211_BAND_6GHZ, data);
1169
1170 band = &phy->mt76->sband_6g.sband;
1171 _ieee80211_set_sband_iftype_data(band, data, n);
1172 }
1173 }
1174
mt7915_unregister_ext_phy(struct mt7915_dev * dev)1175 static void mt7915_unregister_ext_phy(struct mt7915_dev *dev)
1176 {
1177 struct mt7915_phy *phy = mt7915_ext_phy(dev);
1178 struct mt76_phy *mphy = dev->mt76.phys[MT_BAND1];
1179
1180 if (!phy)
1181 return;
1182
1183 mt7915_unregister_thermal(phy);
1184 mt76_unregister_phy(mphy);
1185 ieee80211_free_hw(mphy->hw);
1186 }
1187
mt7915_stop_hardware(struct mt7915_dev * dev)1188 static void mt7915_stop_hardware(struct mt7915_dev *dev)
1189 {
1190 mt7915_mcu_exit(dev);
1191 mt76_connac2_tx_token_put(&dev->mt76);
1192 mt7915_dma_cleanup(dev);
1193 tasklet_disable(&dev->mt76.irq_tasklet);
1194
1195 if (is_mt798x(&dev->mt76))
1196 mt7986_wmac_disable(dev);
1197 }
1198
mt7915_register_device(struct mt7915_dev * dev)1199 int mt7915_register_device(struct mt7915_dev *dev)
1200 {
1201 struct mt7915_phy *phy2;
1202 int ret;
1203
1204 dev->phy.dev = dev;
1205 dev->phy.mt76 = &dev->mt76.phy;
1206 dev->mt76.phy.priv = &dev->phy;
1207 INIT_WORK(&dev->rc_work, mt7915_mac_sta_rc_work);
1208 INIT_DELAYED_WORK(&dev->mphy.mac_work, mt7915_mac_work);
1209 INIT_LIST_HEAD(&dev->sta_rc_list);
1210 INIT_LIST_HEAD(&dev->twt_list);
1211
1212 init_waitqueue_head(&dev->reset_wait);
1213 INIT_WORK(&dev->reset_work, mt7915_mac_reset_work);
1214 INIT_WORK(&dev->dump_work, mt7915_mac_dump_work);
1215 mutex_init(&dev->dump_mutex);
1216
1217 dev->dbdc_support = mt7915_band_config(dev);
1218
1219 phy2 = mt7915_alloc_ext_phy(dev);
1220 if (IS_ERR(phy2))
1221 return PTR_ERR(phy2);
1222
1223 ret = mt7915_init_hardware(dev, phy2);
1224 if (ret)
1225 goto free_phy2;
1226
1227 mt7915_init_wiphy(&dev->phy);
1228
1229 #ifdef CONFIG_NL80211_TESTMODE
1230 dev->mt76.test_ops = &mt7915_testmode_ops;
1231 #endif
1232
1233 ret = mt76_register_device(&dev->mt76, true, mt76_rates,
1234 ARRAY_SIZE(mt76_rates));
1235 if (ret)
1236 goto stop_hw;
1237
1238 ret = mt7915_thermal_init(&dev->phy);
1239 if (ret)
1240 goto unreg_dev;
1241
1242 ieee80211_queue_work(mt76_hw(dev), &dev->init_work);
1243
1244 if (phy2) {
1245 ret = mt7915_register_ext_phy(dev, phy2);
1246 if (ret)
1247 goto unreg_thermal;
1248 }
1249
1250 dev->recovery.hw_init_done = true;
1251
1252 ret = mt7915_init_debugfs(&dev->phy);
1253 if (ret)
1254 goto unreg_thermal;
1255
1256 ret = mt7915_coredump_register(dev);
1257 if (ret)
1258 goto unreg_thermal;
1259
1260 return 0;
1261
1262 unreg_thermal:
1263 mt7915_unregister_thermal(&dev->phy);
1264 unreg_dev:
1265 mt76_unregister_device(&dev->mt76);
1266 stop_hw:
1267 mt7915_stop_hardware(dev);
1268 free_phy2:
1269 if (phy2)
1270 ieee80211_free_hw(phy2->mt76->hw);
1271 return ret;
1272 }
1273
mt7915_unregister_device(struct mt7915_dev * dev)1274 void mt7915_unregister_device(struct mt7915_dev *dev)
1275 {
1276 mt7915_unregister_ext_phy(dev);
1277 mt7915_coredump_unregister(dev);
1278 mt7915_unregister_thermal(&dev->phy);
1279 mt76_unregister_device(&dev->mt76);
1280 mt7915_stop_hardware(dev);
1281
1282 mt76_free_device(&dev->mt76);
1283 }
1284