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 mutex_lock(&phy->dev->mt76.mutex);
57 temperature = mt7915_mcu_get_temperature(phy);
58 mutex_unlock(&phy->dev->mt76.mutex);
59 if (temperature < 0)
60 return temperature;
61 /* display in millidegree celcius */
62 return sprintf(buf, "%u\n", temperature * 1000);
63 case 1:
64 case 2:
65 return sprintf(buf, "%u\n",
66 phy->throttle_temp[i - 1] * 1000);
67 case 3:
68 return sprintf(buf, "%hhu\n", phy->throttle_state);
69 default:
70 return -EINVAL;
71 }
72 }
73
mt7915_thermal_temp_store(struct device * dev,struct device_attribute * attr,const char * buf,size_t count)74 static ssize_t mt7915_thermal_temp_store(struct device *dev,
75 struct device_attribute *attr,
76 const char *buf, size_t count)
77 {
78 struct mt7915_phy *phy = dev_get_drvdata(dev);
79 int ret, i = to_sensor_dev_attr(attr)->index;
80 long val;
81
82 ret = kstrtol(buf, 10, &val);
83 if (ret < 0)
84 return ret;
85
86 mutex_lock(&phy->dev->mt76.mutex);
87 val = DIV_ROUND_CLOSEST(clamp_val(val, 60 * 1000, 130 * 1000), 1000);
88
89 if ((i - 1 == MT7915_CRIT_TEMP_IDX &&
90 val > phy->throttle_temp[MT7915_MAX_TEMP_IDX]) ||
91 (i - 1 == MT7915_MAX_TEMP_IDX &&
92 val < phy->throttle_temp[MT7915_CRIT_TEMP_IDX])) {
93 dev_err(phy->dev->mt76.dev,
94 "temp1_max shall be greater than temp1_crit.");
95 mutex_unlock(&phy->dev->mt76.mutex);
96 return -EINVAL;
97 }
98
99 phy->throttle_temp[i - 1] = val;
100 ret = mt7915_mcu_set_thermal_protect(phy);
101 mutex_unlock(&phy->dev->mt76.mutex);
102 if (ret)
103 return ret;
104
105 return count;
106 }
107
108 static SENSOR_DEVICE_ATTR_RO(temp1_input, mt7915_thermal_temp, 0);
109 static SENSOR_DEVICE_ATTR_RW(temp1_crit, mt7915_thermal_temp, 1);
110 static SENSOR_DEVICE_ATTR_RW(temp1_max, mt7915_thermal_temp, 2);
111 static SENSOR_DEVICE_ATTR_RO(throttle1, mt7915_thermal_temp, 3);
112
113 static struct attribute *mt7915_hwmon_attrs[] = {
114 &sensor_dev_attr_temp1_input.dev_attr.attr,
115 &sensor_dev_attr_temp1_crit.dev_attr.attr,
116 &sensor_dev_attr_temp1_max.dev_attr.attr,
117 &sensor_dev_attr_throttle1.dev_attr.attr,
118 NULL,
119 };
120 ATTRIBUTE_GROUPS(mt7915_hwmon);
121
122 static int
mt7915_thermal_get_max_throttle_state(struct thermal_cooling_device * cdev,unsigned long * state)123 mt7915_thermal_get_max_throttle_state(struct thermal_cooling_device *cdev,
124 unsigned long *state)
125 {
126 *state = MT7915_CDEV_THROTTLE_MAX;
127
128 return 0;
129 }
130
131 static int
mt7915_thermal_get_cur_throttle_state(struct thermal_cooling_device * cdev,unsigned long * state)132 mt7915_thermal_get_cur_throttle_state(struct thermal_cooling_device *cdev,
133 unsigned long *state)
134 {
135 struct mt7915_phy *phy = cdev->devdata;
136
137 *state = phy->cdev_state;
138
139 return 0;
140 }
141
142 static int
mt7915_thermal_set_cur_throttle_state(struct thermal_cooling_device * cdev,unsigned long state)143 mt7915_thermal_set_cur_throttle_state(struct thermal_cooling_device *cdev,
144 unsigned long state)
145 {
146 struct mt7915_phy *phy = cdev->devdata;
147 u8 throttling = MT7915_THERMAL_THROTTLE_MAX - state;
148 int ret;
149
150 if (state > MT7915_CDEV_THROTTLE_MAX) {
151 dev_err(phy->dev->mt76.dev,
152 "please specify a valid throttling state\n");
153 return -EINVAL;
154 }
155
156 if (state == phy->cdev_state)
157 return 0;
158
159 /*
160 * cooling_device convention: 0 = no cooling, more = more cooling
161 * mcu convention: 1 = max cooling, more = less cooling
162 */
163 mutex_lock(&phy->dev->mt76.mutex);
164 ret = mt7915_mcu_set_thermal_throttling(phy, throttling);
165 mutex_unlock(&phy->dev->mt76.mutex);
166 if (ret)
167 return ret;
168
169 phy->cdev_state = state;
170
171 return 0;
172 }
173
174 static const struct thermal_cooling_device_ops mt7915_thermal_ops = {
175 .get_max_state = mt7915_thermal_get_max_throttle_state,
176 .get_cur_state = mt7915_thermal_get_cur_throttle_state,
177 .set_cur_state = mt7915_thermal_set_cur_throttle_state,
178 };
179
mt7915_unregister_thermal(struct mt7915_phy * phy)180 static void mt7915_unregister_thermal(struct mt7915_phy *phy)
181 {
182 struct wiphy *wiphy = phy->mt76->hw->wiphy;
183
184 if (!phy->cdev)
185 return;
186
187 sysfs_remove_link(&wiphy->dev.kobj, "cooling_device");
188 thermal_cooling_device_unregister(phy->cdev);
189 }
190
mt7915_thermal_init(struct mt7915_phy * phy)191 static int mt7915_thermal_init(struct mt7915_phy *phy)
192 {
193 struct wiphy *wiphy = phy->mt76->hw->wiphy;
194 struct thermal_cooling_device *cdev;
195 struct device *hwmon;
196 const char *name;
197
198 name = devm_kasprintf(&wiphy->dev, GFP_KERNEL, "mt7915_%s",
199 wiphy_name(wiphy));
200 if (!name)
201 return -ENOMEM;
202
203 cdev = thermal_cooling_device_register(name, phy, &mt7915_thermal_ops);
204 if (!IS_ERR(cdev)) {
205 if (sysfs_create_link(&wiphy->dev.kobj, &cdev->device.kobj,
206 "cooling_device") < 0)
207 thermal_cooling_device_unregister(cdev);
208 else
209 phy->cdev = cdev;
210 }
211
212 /* initialize critical/maximum high temperature */
213 phy->throttle_temp[MT7915_CRIT_TEMP_IDX] = MT7915_CRIT_TEMP;
214 phy->throttle_temp[MT7915_MAX_TEMP_IDX] = MT7915_MAX_TEMP;
215
216 if (!IS_REACHABLE(CONFIG_HWMON))
217 return 0;
218
219 hwmon = devm_hwmon_device_register_with_groups(&wiphy->dev, name, phy,
220 mt7915_hwmon_groups);
221 return PTR_ERR_OR_ZERO(hwmon);
222 }
223
mt7915_led_set_config(struct led_classdev * led_cdev,u8 delay_on,u8 delay_off)224 static void mt7915_led_set_config(struct led_classdev *led_cdev,
225 u8 delay_on, u8 delay_off)
226 {
227 struct mt7915_dev *dev;
228 struct mt76_phy *mphy;
229 u32 val;
230
231 mphy = container_of(led_cdev, struct mt76_phy, leds.cdev);
232 dev = container_of(mphy->dev, struct mt7915_dev, mt76);
233
234 /* set PWM mode */
235 val = FIELD_PREP(MT_LED_STATUS_DURATION, 0xffff) |
236 FIELD_PREP(MT_LED_STATUS_OFF, delay_off) |
237 FIELD_PREP(MT_LED_STATUS_ON, delay_on);
238 mt76_wr(dev, MT_LED_STATUS_0(mphy->band_idx), val);
239 mt76_wr(dev, MT_LED_STATUS_1(mphy->band_idx), val);
240
241 /* enable LED */
242 mt76_wr(dev, MT_LED_EN(mphy->band_idx), 1);
243
244 /* control LED */
245 val = MT_LED_CTRL_KICK;
246 if (dev->mphy.leds.al)
247 val |= MT_LED_CTRL_POLARITY;
248 if (mphy->band_idx)
249 val |= MT_LED_CTRL_BAND;
250
251 mt76_wr(dev, MT_LED_CTRL(mphy->band_idx), val);
252 mt76_clear(dev, MT_LED_CTRL(mphy->band_idx), MT_LED_CTRL_KICK);
253 }
254
mt7915_led_set_blink(struct led_classdev * led_cdev,unsigned long * delay_on,unsigned long * delay_off)255 static int mt7915_led_set_blink(struct led_classdev *led_cdev,
256 unsigned long *delay_on,
257 unsigned long *delay_off)
258 {
259 u16 delta_on = 0, delta_off = 0;
260
261 #define HW_TICK 10
262 #define TO_HW_TICK(_t) (((_t) > HW_TICK) ? ((_t) / HW_TICK) : HW_TICK)
263
264 if (*delay_on)
265 delta_on = TO_HW_TICK(*delay_on);
266 if (*delay_off)
267 delta_off = TO_HW_TICK(*delay_off);
268
269 mt7915_led_set_config(led_cdev, delta_on, delta_off);
270
271 return 0;
272 }
273
mt7915_led_set_brightness(struct led_classdev * led_cdev,enum led_brightness brightness)274 static void mt7915_led_set_brightness(struct led_classdev *led_cdev,
275 enum led_brightness brightness)
276 {
277 if (!brightness)
278 mt7915_led_set_config(led_cdev, 0, 0xff);
279 else
280 mt7915_led_set_config(led_cdev, 0xff, 0);
281 }
282
__mt7915_init_txpower(struct mt7915_phy * phy,struct ieee80211_supported_band * sband)283 static void __mt7915_init_txpower(struct mt7915_phy *phy,
284 struct ieee80211_supported_band *sband)
285 {
286 struct mt7915_dev *dev = phy->dev;
287 int i, n_chains = hweight16(phy->mt76->chainmask);
288 int path_delta = mt76_tx_power_path_delta(n_chains);
289 int pwr_delta = mt7915_eeprom_get_power_delta(dev, sband->band);
290 struct mt76_power_limits limits;
291
292 for (i = 0; i < sband->n_channels; i++) {
293 struct ieee80211_channel *chan = &sband->channels[i];
294 u32 target_power = 0;
295 int j;
296
297 for (j = 0; j < n_chains; j++) {
298 u32 val;
299
300 val = mt7915_eeprom_get_target_power(dev, chan, j);
301 target_power = max(target_power, val);
302 }
303
304 target_power += pwr_delta;
305 target_power = mt76_get_rate_power_limits(phy->mt76, chan,
306 &limits,
307 target_power);
308 target_power += path_delta;
309 target_power = DIV_ROUND_UP(target_power, 2);
310 chan->max_power = min_t(int, chan->max_reg_power,
311 target_power);
312 chan->orig_mpwr = target_power;
313 }
314 }
315
mt7915_init_txpower(struct mt7915_phy * phy)316 void mt7915_init_txpower(struct mt7915_phy *phy)
317 {
318 if (!phy)
319 return;
320
321 if (phy->mt76->cap.has_2ghz)
322 __mt7915_init_txpower(phy, &phy->mt76->sband_2g.sband);
323 if (phy->mt76->cap.has_5ghz)
324 __mt7915_init_txpower(phy, &phy->mt76->sband_5g.sband);
325 if (phy->mt76->cap.has_6ghz)
326 __mt7915_init_txpower(phy, &phy->mt76->sband_6g.sband);
327 }
328
329 static void
mt7915_regd_notifier(struct wiphy * wiphy,struct regulatory_request * request)330 mt7915_regd_notifier(struct wiphy *wiphy,
331 struct regulatory_request *request)
332 {
333 struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
334 struct mt7915_dev *dev = mt7915_hw_dev(hw);
335 struct mt76_phy *mphy = hw->priv;
336 struct mt7915_phy *phy = mphy->priv;
337
338 memcpy(dev->mt76.alpha2, request->alpha2, sizeof(dev->mt76.alpha2));
339 dev->mt76.region = request->dfs_region;
340
341 if (dev->mt76.region == NL80211_DFS_UNSET)
342 mt7915_mcu_rdd_background_enable(phy, NULL);
343
344 mt7915_init_txpower(phy);
345
346 mphy->dfs_state = MT_DFS_STATE_UNKNOWN;
347 mt7915_dfs_init_radar_detector(phy);
348 }
349
350 static void
mt7915_init_wiphy(struct mt7915_phy * phy)351 mt7915_init_wiphy(struct mt7915_phy *phy)
352 {
353 struct mt76_phy *mphy = phy->mt76;
354 struct ieee80211_hw *hw = mphy->hw;
355 struct mt76_dev *mdev = &phy->dev->mt76;
356 struct wiphy *wiphy = hw->wiphy;
357 struct mt7915_dev *dev = phy->dev;
358
359 hw->queues = 4;
360 hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF_HE;
361 hw->max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF_HE;
362 hw->netdev_features = NETIF_F_RXCSUM;
363
364 if (mtk_wed_device_active(&mdev->mmio.wed))
365 hw->netdev_features |= NETIF_F_HW_TC;
366
367 hw->radiotap_timestamp.units_pos =
368 IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US;
369
370 phy->slottime = 9;
371
372 hw->sta_data_size = sizeof(struct mt7915_sta);
373 hw->vif_data_size = sizeof(struct mt7915_vif);
374
375 wiphy->iface_combinations = if_comb;
376 wiphy->n_iface_combinations = ARRAY_SIZE(if_comb);
377 wiphy->reg_notifier = mt7915_regd_notifier;
378 wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
379 wiphy->mbssid_max_interfaces = 16;
380
381 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BSS_COLOR);
382 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_VHT_IBSS);
383 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_LEGACY);
384 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_HT);
385 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_VHT);
386 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_HE);
387 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_UNSOL_BCAST_PROBE_RESP);
388 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_FILS_DISCOVERY);
389 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT);
390 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_CAN_REPLACE_PTK0);
391
392 if (!is_mt7915(&dev->mt76))
393 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_STA_TX_PWR);
394
395 if (mt7915_eeprom_has_background_radar(phy->dev) &&
396 (!mdev->dev->of_node ||
397 !of_property_read_bool(mdev->dev->of_node,
398 "mediatek,disable-radar-background")))
399 wiphy_ext_feature_set(wiphy,
400 NL80211_EXT_FEATURE_RADAR_BACKGROUND);
401
402 ieee80211_hw_set(hw, HAS_RATE_CONTROL);
403 ieee80211_hw_set(hw, SUPPORTS_TX_ENCAP_OFFLOAD);
404 ieee80211_hw_set(hw, SUPPORTS_RX_DECAP_OFFLOAD);
405 ieee80211_hw_set(hw, SUPPORTS_MULTI_BSSID);
406 ieee80211_hw_set(hw, WANT_MONITOR_VIF);
407 ieee80211_hw_set(hw, SUPPORTS_TX_FRAG);
408
409 hw->max_tx_fragments = 4;
410
411 if (phy->mt76->cap.has_2ghz) {
412 phy->mt76->sband_2g.sband.ht_cap.cap |=
413 IEEE80211_HT_CAP_LDPC_CODING |
414 IEEE80211_HT_CAP_MAX_AMSDU;
415 if (is_mt7915(&dev->mt76))
416 phy->mt76->sband_2g.sband.ht_cap.ampdu_density =
417 IEEE80211_HT_MPDU_DENSITY_4;
418 else
419 phy->mt76->sband_2g.sband.ht_cap.ampdu_density =
420 IEEE80211_HT_MPDU_DENSITY_2;
421 }
422
423 if (phy->mt76->cap.has_5ghz) {
424 struct ieee80211_sta_vht_cap *vht_cap;
425
426 vht_cap = &phy->mt76->sband_5g.sband.vht_cap;
427 phy->mt76->sband_5g.sband.ht_cap.cap |=
428 IEEE80211_HT_CAP_LDPC_CODING |
429 IEEE80211_HT_CAP_MAX_AMSDU;
430
431 if (is_mt7915(&dev->mt76)) {
432 phy->mt76->sband_5g.sband.ht_cap.ampdu_density =
433 IEEE80211_HT_MPDU_DENSITY_4;
434
435 vht_cap->cap |=
436 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 |
437 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK;
438
439 if (!dev->dbdc_support)
440 vht_cap->cap |=
441 IEEE80211_VHT_CAP_SHORT_GI_160 |
442 FIELD_PREP(IEEE80211_VHT_CAP_EXT_NSS_BW_MASK, 1);
443 } else {
444 phy->mt76->sband_5g.sband.ht_cap.ampdu_density =
445 IEEE80211_HT_MPDU_DENSITY_2;
446
447 vht_cap->cap |=
448 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |
449 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK;
450
451 /* mt7916 dbdc with 2g 2x2 bw40 and 5g 2x2 bw160c */
452 vht_cap->cap |=
453 IEEE80211_VHT_CAP_SHORT_GI_160 |
454 IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
455 }
456
457 if (!is_mt7915(&dev->mt76) || !dev->dbdc_support)
458 ieee80211_hw_set(hw, SUPPORTS_VHT_EXT_NSS_BW);
459 }
460
461 mt76_set_stream_caps(phy->mt76, true);
462 mt7915_set_stream_vht_txbf_caps(phy);
463 mt7915_set_stream_he_caps(phy);
464 mt7915_init_txpower(phy);
465
466 wiphy->available_antennas_rx = phy->mt76->antenna_mask;
467 wiphy->available_antennas_tx = phy->mt76->antenna_mask;
468
469 /* init led callbacks */
470 if (IS_ENABLED(CONFIG_MT76_LEDS)) {
471 mphy->leds.cdev.brightness_set = mt7915_led_set_brightness;
472 mphy->leds.cdev.blink_set = mt7915_led_set_blink;
473 }
474 }
475
476 static void
mt7915_mac_init_band(struct mt7915_dev * dev,u8 band)477 mt7915_mac_init_band(struct mt7915_dev *dev, u8 band)
478 {
479 u32 mask, set;
480
481 mt76_rmw_field(dev, MT_TMAC_CTCR0(band),
482 MT_TMAC_CTCR0_INS_DDLMT_REFTIME, 0x3f);
483 mt76_set(dev, MT_TMAC_CTCR0(band),
484 MT_TMAC_CTCR0_INS_DDLMT_VHT_SMPDU_EN |
485 MT_TMAC_CTCR0_INS_DDLMT_EN);
486
487 mask = MT_MDP_RCFR0_MCU_RX_MGMT |
488 MT_MDP_RCFR0_MCU_RX_CTL_NON_BAR |
489 MT_MDP_RCFR0_MCU_RX_CTL_BAR;
490 set = FIELD_PREP(MT_MDP_RCFR0_MCU_RX_MGMT, MT_MDP_TO_HIF) |
491 FIELD_PREP(MT_MDP_RCFR0_MCU_RX_CTL_NON_BAR, MT_MDP_TO_HIF) |
492 FIELD_PREP(MT_MDP_RCFR0_MCU_RX_CTL_BAR, MT_MDP_TO_HIF);
493 mt76_rmw(dev, MT_MDP_BNRCFR0(band), mask, set);
494
495 mask = MT_MDP_RCFR1_MCU_RX_BYPASS |
496 MT_MDP_RCFR1_RX_DROPPED_UCAST |
497 MT_MDP_RCFR1_RX_DROPPED_MCAST;
498 set = FIELD_PREP(MT_MDP_RCFR1_MCU_RX_BYPASS, MT_MDP_TO_HIF) |
499 FIELD_PREP(MT_MDP_RCFR1_RX_DROPPED_UCAST, MT_MDP_TO_HIF) |
500 FIELD_PREP(MT_MDP_RCFR1_RX_DROPPED_MCAST, MT_MDP_TO_HIF);
501 mt76_rmw(dev, MT_MDP_BNRCFR1(band), mask, set);
502
503 mt76_rmw_field(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_MAX_RX_LEN, 0x680);
504
505 /* mt7915: disable rx rate report by default due to hw issues */
506 mt76_clear(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_RXD_G5_EN);
507
508 /* clear estimated value of EIFS for Rx duration & OBSS time */
509 mt76_wr(dev, MT_WF_RMAC_RSVD0(band), MT_WF_RMAC_RSVD0_EIFS_CLR);
510
511 /* clear backoff time for Rx duration */
512 mt76_clear(dev, MT_WF_RMAC_MIB_AIRTIME1(band),
513 MT_WF_RMAC_MIB_NONQOSD_BACKOFF);
514 mt76_clear(dev, MT_WF_RMAC_MIB_AIRTIME3(band),
515 MT_WF_RMAC_MIB_QOS01_BACKOFF);
516 mt76_clear(dev, MT_WF_RMAC_MIB_AIRTIME4(band),
517 MT_WF_RMAC_MIB_QOS23_BACKOFF);
518
519 /* clear backoff time for Tx duration */
520 mt76_clear(dev, MT_WTBLOFF_TOP_ACR(band),
521 MT_WTBLOFF_TOP_ADM_BACKOFFTIME);
522
523 /* exclude estimated backoff time for Tx duration on MT7915 */
524 if (is_mt7915(&dev->mt76))
525 mt76_set(dev, MT_AGG_ATCR0(band),
526 MT_AGG_ATCR_MAC_BFF_TIME_EN);
527
528 /* clear backoff time and set software compensation for OBSS time */
529 mask = MT_WF_RMAC_MIB_OBSS_BACKOFF | MT_WF_RMAC_MIB_ED_OFFSET;
530 set = FIELD_PREP(MT_WF_RMAC_MIB_OBSS_BACKOFF, 0) |
531 FIELD_PREP(MT_WF_RMAC_MIB_ED_OFFSET, 4);
532 mt76_rmw(dev, MT_WF_RMAC_MIB_AIRTIME0(band), mask, set);
533
534 /* filter out non-resp frames and get instanstaeous signal reporting */
535 mask = MT_WTBLOFF_TOP_RSCR_RCPI_MODE | MT_WTBLOFF_TOP_RSCR_RCPI_PARAM;
536 set = FIELD_PREP(MT_WTBLOFF_TOP_RSCR_RCPI_MODE, 0) |
537 FIELD_PREP(MT_WTBLOFF_TOP_RSCR_RCPI_PARAM, 0x3);
538 mt76_rmw(dev, MT_WTBLOFF_TOP_RSCR(band), mask, set);
539
540 /* MT_TXD5_TX_STATUS_HOST (MPDU format) has higher priority than
541 * MT_AGG_ACR_PPDU_TXS2H (PPDU format) even though ACR bit is set.
542 */
543 if (mtk_wed_device_active(&dev->mt76.mmio.wed))
544 mt76_set(dev, MT_AGG_ACR4(band), MT_AGG_ACR_PPDU_TXS2H);
545 }
546
547 static void
mt7915_init_led_mux(struct mt7915_dev * dev)548 mt7915_init_led_mux(struct mt7915_dev *dev)
549 {
550 if (!IS_ENABLED(CONFIG_MT76_LEDS))
551 return;
552
553 if (dev->dbdc_support) {
554 switch (mt76_chip(&dev->mt76)) {
555 case 0x7915:
556 mt76_rmw_field(dev, MT_LED_GPIO_MUX2,
557 GENMASK(11, 8), 4);
558 mt76_rmw_field(dev, MT_LED_GPIO_MUX3,
559 GENMASK(11, 8), 4);
560 break;
561 case 0x7986:
562 mt76_rmw_field(dev, MT_LED_GPIO_MUX0,
563 GENMASK(7, 4), 1);
564 mt76_rmw_field(dev, MT_LED_GPIO_MUX0,
565 GENMASK(11, 8), 1);
566 break;
567 case 0x7916:
568 mt76_rmw_field(dev, MT_LED_GPIO_MUX1,
569 GENMASK(27, 24), 3);
570 mt76_rmw_field(dev, MT_LED_GPIO_MUX1,
571 GENMASK(31, 28), 3);
572 break;
573 default:
574 break;
575 }
576 } else if (dev->mphy.leds.pin) {
577 switch (mt76_chip(&dev->mt76)) {
578 case 0x7915:
579 mt76_rmw_field(dev, MT_LED_GPIO_MUX3,
580 GENMASK(11, 8), 4);
581 break;
582 case 0x7986:
583 mt76_rmw_field(dev, MT_LED_GPIO_MUX0,
584 GENMASK(11, 8), 1);
585 break;
586 case 0x7916:
587 mt76_rmw_field(dev, MT_LED_GPIO_MUX1,
588 GENMASK(31, 28), 3);
589 break;
590 default:
591 break;
592 }
593 } else {
594 switch (mt76_chip(&dev->mt76)) {
595 case 0x7915:
596 mt76_rmw_field(dev, MT_LED_GPIO_MUX2,
597 GENMASK(11, 8), 4);
598 break;
599 case 0x7986:
600 mt76_rmw_field(dev, MT_LED_GPIO_MUX0,
601 GENMASK(7, 4), 1);
602 break;
603 case 0x7916:
604 mt76_rmw_field(dev, MT_LED_GPIO_MUX1,
605 GENMASK(27, 24), 3);
606 break;
607 default:
608 break;
609 }
610 }
611 }
612
mt7915_mac_init(struct mt7915_dev * dev)613 void mt7915_mac_init(struct mt7915_dev *dev)
614 {
615 int i;
616 u32 rx_len = is_mt7915(&dev->mt76) ? 0x400 : 0x680;
617
618 /* config pse qid6 wfdma port selection */
619 if (!is_mt7915(&dev->mt76) && dev->hif2)
620 mt76_rmw(dev, MT_WF_PP_TOP_RXQ_WFDMA_CF_5, 0,
621 MT_WF_PP_TOP_RXQ_QID6_WFDMA_HIF_SEL_MASK);
622
623 mt76_rmw_field(dev, MT_MDP_DCR1, MT_MDP_DCR1_MAX_RX_LEN, rx_len);
624
625 if (!is_mt7915(&dev->mt76))
626 mt76_clear(dev, MT_MDP_DCR2, MT_MDP_DCR2_RX_TRANS_SHORT);
627 else
628 mt76_clear(dev, MT_PLE_HOST_RPT0, MT_PLE_HOST_RPT0_TX_LATENCY);
629
630 /* enable hardware de-agg */
631 mt76_set(dev, MT_MDP_DCR0, MT_MDP_DCR0_DAMSDU_EN);
632
633 for (i = 0; i < mt7915_wtbl_size(dev); i++)
634 mt7915_mac_wtbl_update(dev, i,
635 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
636 for (i = 0; i < 2; i++)
637 mt7915_mac_init_band(dev, i);
638
639 mt7915_init_led_mux(dev);
640 }
641
mt7915_txbf_init(struct mt7915_dev * dev)642 int mt7915_txbf_init(struct mt7915_dev *dev)
643 {
644 int ret;
645
646 if (dev->dbdc_support) {
647 ret = mt7915_mcu_set_txbf(dev, MT_BF_MODULE_UPDATE);
648 if (ret)
649 return ret;
650 }
651
652 /* trigger sounding packets */
653 ret = mt7915_mcu_set_txbf(dev, MT_BF_SOUNDING_ON);
654 if (ret)
655 return ret;
656
657 /* enable eBF */
658 return mt7915_mcu_set_txbf(dev, MT_BF_TYPE_UPDATE);
659 }
660
661 static struct mt7915_phy *
mt7915_alloc_ext_phy(struct mt7915_dev * dev)662 mt7915_alloc_ext_phy(struct mt7915_dev *dev)
663 {
664 struct mt7915_phy *phy;
665 struct mt76_phy *mphy;
666
667 if (!dev->dbdc_support)
668 return NULL;
669
670 mphy = mt76_alloc_phy(&dev->mt76, sizeof(*phy), &mt7915_ops, MT_BAND1);
671 if (!mphy)
672 return ERR_PTR(-ENOMEM);
673
674 phy = mphy->priv;
675 phy->dev = dev;
676 phy->mt76 = mphy;
677
678 /* Bind main phy to band0 and ext_phy to band1 for dbdc case */
679 phy->mt76->band_idx = 1;
680
681 return phy;
682 }
683
684 static int
mt7915_register_ext_phy(struct mt7915_dev * dev,struct mt7915_phy * phy)685 mt7915_register_ext_phy(struct mt7915_dev *dev, struct mt7915_phy *phy)
686 {
687 struct mt76_phy *mphy = phy->mt76;
688 int ret;
689
690 INIT_DELAYED_WORK(&mphy->mac_work, mt7915_mac_work);
691
692 mt7915_eeprom_parse_hw_cap(dev, phy);
693
694 memcpy(mphy->macaddr, dev->mt76.eeprom.data + MT_EE_MAC_ADDR2,
695 ETH_ALEN);
696 /* Make the secondary PHY MAC address local without overlapping with
697 * the usual MAC address allocation scheme on multiple virtual interfaces
698 */
699 if (!is_valid_ether_addr(mphy->macaddr)) {
700 memcpy(mphy->macaddr, dev->mt76.eeprom.data + MT_EE_MAC_ADDR,
701 ETH_ALEN);
702 mphy->macaddr[0] |= 2;
703 mphy->macaddr[0] ^= BIT(7);
704 }
705 mt76_eeprom_override(mphy);
706
707 /* init wiphy according to mphy and phy */
708 mt7915_init_wiphy(phy);
709
710 ret = mt76_register_phy(mphy, true, mt76_rates,
711 ARRAY_SIZE(mt76_rates));
712 if (ret)
713 return ret;
714
715 ret = mt7915_thermal_init(phy);
716 if (ret)
717 goto unreg;
718
719 mt7915_init_debugfs(phy);
720
721 return 0;
722
723 unreg:
724 mt76_unregister_phy(mphy);
725 return ret;
726 }
727
mt7915_init_work(struct work_struct * work)728 static void mt7915_init_work(struct work_struct *work)
729 {
730 struct mt7915_dev *dev = container_of(work, struct mt7915_dev,
731 init_work);
732
733 mt7915_mcu_set_eeprom(dev);
734 mt7915_mac_init(dev);
735 mt7915_txbf_init(dev);
736 }
737
mt7915_wfsys_reset(struct mt7915_dev * dev)738 void mt7915_wfsys_reset(struct mt7915_dev *dev)
739 {
740 #define MT_MCU_DUMMY_RANDOM GENMASK(15, 0)
741 #define MT_MCU_DUMMY_DEFAULT GENMASK(31, 16)
742
743 if (is_mt7915(&dev->mt76)) {
744 u32 val = MT_TOP_PWR_KEY | MT_TOP_PWR_SW_PWR_ON | MT_TOP_PWR_PWR_ON;
745
746 mt76_wr(dev, MT_MCU_WFDMA0_DUMMY_CR, MT_MCU_DUMMY_RANDOM);
747
748 /* change to software control */
749 val |= MT_TOP_PWR_SW_RST;
750 mt76_wr(dev, MT_TOP_PWR_CTRL, val);
751
752 /* reset wfsys */
753 val &= ~MT_TOP_PWR_SW_RST;
754 mt76_wr(dev, MT_TOP_PWR_CTRL, val);
755
756 /* release wfsys then mcu re-executes romcode */
757 val |= MT_TOP_PWR_SW_RST;
758 mt76_wr(dev, MT_TOP_PWR_CTRL, val);
759
760 /* switch to hw control */
761 val &= ~MT_TOP_PWR_SW_RST;
762 val |= MT_TOP_PWR_HW_CTRL;
763 mt76_wr(dev, MT_TOP_PWR_CTRL, val);
764
765 /* check whether mcu resets to default */
766 if (!mt76_poll_msec(dev, MT_MCU_WFDMA0_DUMMY_CR,
767 MT_MCU_DUMMY_DEFAULT, MT_MCU_DUMMY_DEFAULT,
768 1000)) {
769 dev_err(dev->mt76.dev, "wifi subsystem reset failure\n");
770 return;
771 }
772
773 /* wfsys reset won't clear host registers */
774 mt76_clear(dev, MT_TOP_MISC, MT_TOP_MISC_FW_STATE);
775
776 msleep(100);
777 } else if (is_mt798x(&dev->mt76)) {
778 mt7986_wmac_disable(dev);
779 msleep(20);
780
781 mt7986_wmac_enable(dev);
782 msleep(20);
783 } else {
784 mt76_set(dev, MT_WF_SUBSYS_RST, 0x1);
785 msleep(20);
786
787 mt76_clear(dev, MT_WF_SUBSYS_RST, 0x1);
788 msleep(20);
789 }
790 }
791
mt7915_band_config(struct mt7915_dev * dev)792 static bool mt7915_band_config(struct mt7915_dev *dev)
793 {
794 bool ret = true;
795
796 dev->phy.mt76->band_idx = 0;
797
798 if (is_mt798x(&dev->mt76)) {
799 u32 sku = mt7915_check_adie(dev, true);
800
801 /*
802 * for mt7986, dbdc support is determined by the number
803 * of adie chips and the main phy is bound to band1 when
804 * dbdc is disabled.
805 */
806 if (sku == MT7975_ONE_ADIE || sku == MT7976_ONE_ADIE) {
807 dev->phy.mt76->band_idx = 1;
808 ret = false;
809 }
810 } else {
811 ret = is_mt7915(&dev->mt76) ?
812 !!(mt76_rr(dev, MT_HW_BOUND) & BIT(5)) : true;
813 }
814
815 return ret;
816 }
817
818 static int
mt7915_init_hardware(struct mt7915_dev * dev,struct mt7915_phy * phy2)819 mt7915_init_hardware(struct mt7915_dev *dev, struct mt7915_phy *phy2)
820 {
821 int ret, idx;
822
823 mt76_wr(dev, MT_INT_MASK_CSR, 0);
824 mt76_wr(dev, MT_INT_SOURCE_CSR, ~0);
825
826 INIT_WORK(&dev->init_work, mt7915_init_work);
827
828 ret = mt7915_dma_init(dev, phy2);
829 if (ret)
830 return ret;
831
832 set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state);
833
834 ret = mt7915_mcu_init(dev);
835 if (ret)
836 return ret;
837
838 ret = mt7915_eeprom_init(dev);
839 if (ret < 0)
840 return ret;
841
842 if (dev->cal) {
843 ret = mt7915_mcu_apply_group_cal(dev);
844 if (ret)
845 return ret;
846 }
847
848 /* Beacon and mgmt frames should occupy wcid 0 */
849 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7915_WTBL_STA);
850 if (idx)
851 return -ENOSPC;
852
853 dev->mt76.global_wcid.idx = idx;
854 dev->mt76.global_wcid.hw_key_idx = -1;
855 dev->mt76.global_wcid.tx_info |= MT_WCID_TX_INFO_SET;
856 rcu_assign_pointer(dev->mt76.wcid[idx], &dev->mt76.global_wcid);
857
858 return 0;
859 }
860
mt7915_set_stream_vht_txbf_caps(struct mt7915_phy * phy)861 void mt7915_set_stream_vht_txbf_caps(struct mt7915_phy *phy)
862 {
863 int sts;
864 u32 *cap;
865
866 if (!phy->mt76->cap.has_5ghz)
867 return;
868
869 sts = hweight8(phy->mt76->chainmask);
870 cap = &phy->mt76->sband_5g.sband.vht_cap.cap;
871
872 *cap |= IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
873 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE |
874 FIELD_PREP(IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK,
875 sts - 1);
876
877 *cap &= ~(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK |
878 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
879 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE);
880
881 if (sts < 2)
882 return;
883
884 *cap |= IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
885 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE |
886 FIELD_PREP(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK,
887 sts - 1);
888 }
889
890 static void
mt7915_set_stream_he_txbf_caps(struct mt7915_phy * phy,struct ieee80211_sta_he_cap * he_cap,int vif)891 mt7915_set_stream_he_txbf_caps(struct mt7915_phy *phy,
892 struct ieee80211_sta_he_cap *he_cap, int vif)
893 {
894 struct mt7915_dev *dev = phy->dev;
895 struct ieee80211_he_cap_elem *elem = &he_cap->he_cap_elem;
896 int sts = hweight8(phy->mt76->chainmask);
897 u8 c, sts_160 = sts;
898
899 /* Can do 1/2 of STS in 160Mhz mode for mt7915 */
900 if (is_mt7915(&dev->mt76)) {
901 if (!dev->dbdc_support)
902 sts_160 /= 2;
903 else
904 sts_160 = 0;
905 }
906
907 #ifdef CONFIG_MAC80211_MESH
908 if (vif == NL80211_IFTYPE_MESH_POINT)
909 return;
910 #endif
911
912 elem->phy_cap_info[3] &= ~IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER;
913 elem->phy_cap_info[4] &= ~IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER;
914
915 c = IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK;
916 if (sts_160)
917 c |= IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK;
918 elem->phy_cap_info[5] &= ~c;
919
920 c = IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB |
921 IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB;
922 elem->phy_cap_info[6] &= ~c;
923
924 elem->phy_cap_info[7] &= ~IEEE80211_HE_PHY_CAP7_MAX_NC_MASK;
925
926 c = IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US;
927 if (!is_mt7915(&dev->mt76))
928 c |= IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO;
929 elem->phy_cap_info[2] |= c;
930
931 c = IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE |
932 IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4;
933 if (sts_160)
934 c |= IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4;
935 elem->phy_cap_info[4] |= c;
936
937 /* do not support NG16 due to spec D4.0 changes subcarrier idx */
938 c = IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU |
939 IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU;
940
941 if (vif == NL80211_IFTYPE_STATION)
942 c |= IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO;
943
944 elem->phy_cap_info[6] |= c;
945
946 if (sts < 2)
947 return;
948
949 /* the maximum cap is 4 x 3, (Nr, Nc) = (3, 2) */
950 elem->phy_cap_info[7] |= min_t(int, sts - 1, 2) << 3;
951
952 if (vif != NL80211_IFTYPE_AP && vif != NL80211_IFTYPE_STATION)
953 return;
954
955 elem->phy_cap_info[3] |= IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER;
956
957 c = FIELD_PREP(IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK,
958 sts - 1);
959 if (sts_160)
960 c |= FIELD_PREP(IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK,
961 sts_160 - 1);
962 elem->phy_cap_info[5] |= c;
963
964 if (vif != NL80211_IFTYPE_AP)
965 return;
966
967 elem->phy_cap_info[4] |= IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER;
968
969 c = IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB |
970 IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB;
971 elem->phy_cap_info[6] |= c;
972
973 if (!is_mt7915(&dev->mt76)) {
974 c = IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ |
975 IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ;
976 elem->phy_cap_info[7] |= c;
977 }
978 }
979
980 static int
mt7915_init_he_caps(struct mt7915_phy * phy,enum nl80211_band band,struct ieee80211_sband_iftype_data * data)981 mt7915_init_he_caps(struct mt7915_phy *phy, enum nl80211_band band,
982 struct ieee80211_sband_iftype_data *data)
983 {
984 struct mt7915_dev *dev = phy->dev;
985 int i, idx = 0, nss = hweight8(phy->mt76->antenna_mask);
986 u16 mcs_map = 0;
987 u16 mcs_map_160 = 0;
988 u8 nss_160;
989
990 if (!is_mt7915(&dev->mt76))
991 nss_160 = nss;
992 else if (!dev->dbdc_support)
993 /* Can do 1/2 of NSS streams in 160Mhz mode for mt7915 */
994 nss_160 = nss / 2;
995 else
996 /* Can't do 160MHz with mt7915 dbdc */
997 nss_160 = 0;
998
999 for (i = 0; i < 8; i++) {
1000 if (i < nss)
1001 mcs_map |= (IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2));
1002 else
1003 mcs_map |= (IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2));
1004
1005 if (i < nss_160)
1006 mcs_map_160 |= (IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2));
1007 else
1008 mcs_map_160 |= (IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2));
1009 }
1010
1011 for (i = 0; i < NUM_NL80211_IFTYPES; i++) {
1012 struct ieee80211_sta_he_cap *he_cap = &data[idx].he_cap;
1013 struct ieee80211_he_cap_elem *he_cap_elem =
1014 &he_cap->he_cap_elem;
1015 struct ieee80211_he_mcs_nss_supp *he_mcs =
1016 &he_cap->he_mcs_nss_supp;
1017
1018 switch (i) {
1019 case NL80211_IFTYPE_STATION:
1020 case NL80211_IFTYPE_AP:
1021 #ifdef CONFIG_MAC80211_MESH
1022 case NL80211_IFTYPE_MESH_POINT:
1023 #endif
1024 break;
1025 default:
1026 continue;
1027 }
1028
1029 data[idx].types_mask = BIT(i);
1030 he_cap->has_he = true;
1031
1032 he_cap_elem->mac_cap_info[0] =
1033 IEEE80211_HE_MAC_CAP0_HTC_HE;
1034 he_cap_elem->mac_cap_info[3] =
1035 IEEE80211_HE_MAC_CAP3_OMI_CONTROL |
1036 IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3;
1037 he_cap_elem->mac_cap_info[4] =
1038 IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU;
1039
1040 if (band == NL80211_BAND_2GHZ)
1041 he_cap_elem->phy_cap_info[0] =
1042 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G;
1043 else if (nss_160)
1044 he_cap_elem->phy_cap_info[0] =
1045 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G |
1046 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G;
1047 else
1048 he_cap_elem->phy_cap_info[0] =
1049 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G;
1050
1051 he_cap_elem->phy_cap_info[1] =
1052 IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD;
1053 he_cap_elem->phy_cap_info[2] =
1054 IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ |
1055 IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ;
1056
1057 switch (i) {
1058 case NL80211_IFTYPE_AP:
1059 he_cap_elem->mac_cap_info[0] |=
1060 IEEE80211_HE_MAC_CAP0_TWT_RES;
1061 he_cap_elem->mac_cap_info[2] |=
1062 IEEE80211_HE_MAC_CAP2_BSR;
1063 he_cap_elem->mac_cap_info[4] |=
1064 IEEE80211_HE_MAC_CAP4_BQR;
1065 he_cap_elem->mac_cap_info[5] |=
1066 IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX;
1067 he_cap_elem->phy_cap_info[3] |=
1068 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK |
1069 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK;
1070 he_cap_elem->phy_cap_info[6] |=
1071 IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE |
1072 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT;
1073 he_cap_elem->phy_cap_info[9] |=
1074 IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU |
1075 IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU;
1076 break;
1077 case NL80211_IFTYPE_STATION:
1078 he_cap_elem->mac_cap_info[1] |=
1079 IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US;
1080
1081 if (band == NL80211_BAND_2GHZ)
1082 he_cap_elem->phy_cap_info[0] |=
1083 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G;
1084 else
1085 he_cap_elem->phy_cap_info[0] |=
1086 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G;
1087
1088 he_cap_elem->phy_cap_info[1] |=
1089 IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A |
1090 IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US;
1091 he_cap_elem->phy_cap_info[3] |=
1092 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK |
1093 IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK;
1094 he_cap_elem->phy_cap_info[6] |=
1095 IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB |
1096 IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE |
1097 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT;
1098 he_cap_elem->phy_cap_info[7] |=
1099 IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP |
1100 IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI;
1101 he_cap_elem->phy_cap_info[8] |=
1102 IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G |
1103 IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484;
1104 if (nss_160)
1105 he_cap_elem->phy_cap_info[8] |=
1106 IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU |
1107 IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU;
1108 he_cap_elem->phy_cap_info[9] |=
1109 IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM |
1110 IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK |
1111 IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU |
1112 IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU |
1113 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB |
1114 IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB;
1115 break;
1116 }
1117
1118 memset(he_mcs, 0, sizeof(*he_mcs));
1119 he_mcs->rx_mcs_80 = cpu_to_le16(mcs_map);
1120 he_mcs->tx_mcs_80 = cpu_to_le16(mcs_map);
1121 he_mcs->rx_mcs_160 = cpu_to_le16(mcs_map_160);
1122 he_mcs->tx_mcs_160 = cpu_to_le16(mcs_map_160);
1123
1124 mt7915_set_stream_he_txbf_caps(phy, he_cap, i);
1125
1126 memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres));
1127 if (he_cap_elem->phy_cap_info[6] &
1128 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
1129 mt76_connac_gen_ppe_thresh(he_cap->ppe_thres, nss, band);
1130 } else {
1131 he_cap_elem->phy_cap_info[9] |=
1132 u8_encode_bits(IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US,
1133 IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK);
1134 }
1135
1136 if (band == NL80211_BAND_6GHZ) {
1137 u16 cap = IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS |
1138 IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS;
1139
1140 cap |= u16_encode_bits(IEEE80211_HT_MPDU_DENSITY_2,
1141 IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START) |
1142 u16_encode_bits(IEEE80211_VHT_MAX_AMPDU_1024K,
1143 IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP) |
1144 u16_encode_bits(IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454,
1145 IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN);
1146
1147 data[idx].he_6ghz_capa.capa = cpu_to_le16(cap);
1148 }
1149
1150 idx++;
1151 }
1152
1153 return idx;
1154 }
1155
mt7915_set_stream_he_caps(struct mt7915_phy * phy)1156 void mt7915_set_stream_he_caps(struct mt7915_phy *phy)
1157 {
1158 struct ieee80211_sband_iftype_data *data;
1159 struct ieee80211_supported_band *band;
1160 int n;
1161
1162 if (phy->mt76->cap.has_2ghz) {
1163 data = phy->iftype[NL80211_BAND_2GHZ];
1164 n = mt7915_init_he_caps(phy, NL80211_BAND_2GHZ, data);
1165
1166 band = &phy->mt76->sband_2g.sband;
1167 _ieee80211_set_sband_iftype_data(band, data, n);
1168 }
1169
1170 if (phy->mt76->cap.has_5ghz) {
1171 data = phy->iftype[NL80211_BAND_5GHZ];
1172 n = mt7915_init_he_caps(phy, NL80211_BAND_5GHZ, data);
1173
1174 band = &phy->mt76->sband_5g.sband;
1175 _ieee80211_set_sband_iftype_data(band, data, n);
1176 }
1177
1178 if (phy->mt76->cap.has_6ghz) {
1179 data = phy->iftype[NL80211_BAND_6GHZ];
1180 n = mt7915_init_he_caps(phy, NL80211_BAND_6GHZ, data);
1181
1182 band = &phy->mt76->sband_6g.sband;
1183 _ieee80211_set_sband_iftype_data(band, data, n);
1184 }
1185 }
1186
mt7915_unregister_ext_phy(struct mt7915_dev * dev)1187 static void mt7915_unregister_ext_phy(struct mt7915_dev *dev)
1188 {
1189 struct mt7915_phy *phy = mt7915_ext_phy(dev);
1190 struct mt76_phy *mphy = dev->mt76.phys[MT_BAND1];
1191
1192 if (!phy)
1193 return;
1194
1195 mt7915_unregister_thermal(phy);
1196 mt76_unregister_phy(mphy);
1197 ieee80211_free_hw(mphy->hw);
1198 }
1199
mt7915_stop_hardware(struct mt7915_dev * dev)1200 static void mt7915_stop_hardware(struct mt7915_dev *dev)
1201 {
1202 mt7915_mcu_exit(dev);
1203 mt76_connac2_tx_token_put(&dev->mt76);
1204 mt7915_dma_cleanup(dev);
1205 tasklet_disable(&dev->mt76.irq_tasklet);
1206
1207 if (is_mt798x(&dev->mt76))
1208 mt7986_wmac_disable(dev);
1209 }
1210
mt7915_register_device(struct mt7915_dev * dev)1211 int mt7915_register_device(struct mt7915_dev *dev)
1212 {
1213 struct mt7915_phy *phy2;
1214 int ret;
1215
1216 dev->phy.dev = dev;
1217 dev->phy.mt76 = &dev->mt76.phy;
1218 dev->mt76.phy.priv = &dev->phy;
1219 INIT_WORK(&dev->rc_work, mt7915_mac_sta_rc_work);
1220 INIT_DELAYED_WORK(&dev->mphy.mac_work, mt7915_mac_work);
1221 INIT_LIST_HEAD(&dev->sta_rc_list);
1222 INIT_LIST_HEAD(&dev->twt_list);
1223
1224 init_waitqueue_head(&dev->reset_wait);
1225 INIT_WORK(&dev->reset_work, mt7915_mac_reset_work);
1226 INIT_WORK(&dev->dump_work, mt7915_mac_dump_work);
1227 mutex_init(&dev->dump_mutex);
1228
1229 dev->dbdc_support = mt7915_band_config(dev);
1230
1231 phy2 = mt7915_alloc_ext_phy(dev);
1232 if (IS_ERR(phy2))
1233 return PTR_ERR(phy2);
1234
1235 ret = mt7915_init_hardware(dev, phy2);
1236 if (ret)
1237 goto free_phy2;
1238
1239 mt7915_init_wiphy(&dev->phy);
1240
1241 #ifdef CONFIG_NL80211_TESTMODE
1242 dev->mt76.test_ops = &mt7915_testmode_ops;
1243 #endif
1244
1245 ret = mt76_register_device(&dev->mt76, true, mt76_rates,
1246 ARRAY_SIZE(mt76_rates));
1247 if (ret)
1248 goto stop_hw;
1249
1250 ret = mt7915_thermal_init(&dev->phy);
1251 if (ret)
1252 goto unreg_dev;
1253
1254 if (phy2) {
1255 ret = mt7915_register_ext_phy(dev, phy2);
1256 if (ret)
1257 goto unreg_thermal;
1258 }
1259
1260 ieee80211_queue_work(mt76_hw(dev), &dev->init_work);
1261
1262 dev->recovery.hw_init_done = true;
1263
1264 ret = mt7915_init_debugfs(&dev->phy);
1265 if (ret)
1266 goto unreg_thermal;
1267
1268 ret = mt7915_coredump_register(dev);
1269 if (ret)
1270 goto unreg_thermal;
1271
1272 return 0;
1273
1274 unreg_thermal:
1275 mt7915_unregister_thermal(&dev->phy);
1276 unreg_dev:
1277 mt76_unregister_device(&dev->mt76);
1278 stop_hw:
1279 mt7915_stop_hardware(dev);
1280 free_phy2:
1281 if (phy2)
1282 ieee80211_free_hw(phy2->mt76->hw);
1283 return ret;
1284 }
1285
mt7915_unregister_device(struct mt7915_dev * dev)1286 void mt7915_unregister_device(struct mt7915_dev *dev)
1287 {
1288 mt7915_unregister_ext_phy(dev);
1289 mt7915_coredump_unregister(dev);
1290 mt7915_unregister_thermal(&dev->phy);
1291 mt76_unregister_device(&dev->mt76);
1292 mt7915_stop_hardware(dev);
1293
1294 mt76_free_device(&dev->mt76);
1295 }
1296