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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/thermal.h>
8#include <linux/firmware.h>
9#include "mt7921.h"
10#include "../mt76_connac2_mac.h"
11#include "mcu.h"
12
13static ssize_t mt7921_thermal_temp_show(struct device *dev,
14 struct device_attribute *attr,
15 char *buf)
16{
17 switch (to_sensor_dev_attr(attr)->index) {
18 case 0: {
19 struct mt792x_phy *phy = dev_get_drvdata(dev);
20 struct mt792x_dev *mdev = phy->dev;
21 int temperature;
22
23 mt792x_mutex_acquire(mdev);
24 temperature = mt7921_mcu_get_temperature(phy);
25 mt792x_mutex_release(mdev);
26
27 if (temperature < 0)
28 return temperature;
29 /* display in millidegree Celsius */
30 return sprintf(buf, "%u\n", temperature * 1000);
31 }
32 default:
33 return -EINVAL;
34 }
35}
36static SENSOR_DEVICE_ATTR_RO(temp1_input, mt7921_thermal_temp, 0);
37
38static struct attribute *mt7921_hwmon_attrs[] = {
39 &sensor_dev_attr_temp1_input.dev_attr.attr,
40 NULL,
41};
42ATTRIBUTE_GROUPS(mt7921_hwmon);
43
44static int mt7921_thermal_init(struct mt792x_phy *phy)
45{
46 struct wiphy *wiphy = phy->mt76->hw->wiphy;
47 struct device *hwmon;
48 const char *name;
49
50 if (!IS_REACHABLE(CONFIG_HWMON))
51 return 0;
52
53 name = devm_kasprintf(&wiphy->dev, GFP_KERNEL, "mt7921_%s",
54 wiphy_name(wiphy));
55 if (!name)
56 return -ENOMEM;
57
58 hwmon = devm_hwmon_device_register_with_groups(&wiphy->dev, name, phy,
59 mt7921_hwmon_groups);
60 return PTR_ERR_OR_ZERO(hwmon);
61}
62
63static void
64mt7921_regd_channel_update(struct wiphy *wiphy, struct mt792x_dev *dev)
65{
66#define IS_UNII_INVALID(idx, sfreq, efreq) \
67 (!(dev->phy.clc_chan_conf & BIT(idx)) && (cfreq) >= (sfreq) && (cfreq) <= (efreq))
68 struct ieee80211_supported_band *sband;
69 struct mt76_dev *mdev = &dev->mt76;
70 struct device_node *np, *band_np;
71 struct ieee80211_channel *ch;
72 int i, cfreq;
73
74 np = mt76_find_power_limits_node(mdev);
75
76 sband = wiphy->bands[NL80211_BAND_5GHZ];
77 band_np = np ? of_get_child_by_name(np, "txpower-5g") : NULL;
78 for (i = 0; i < sband->n_channels; i++) {
79 ch = &sband->channels[i];
80 cfreq = ch->center_freq;
81
82 if (np && (!band_np || !mt76_find_channel_node(band_np, ch))) {
83 ch->flags |= IEEE80211_CHAN_DISABLED;
84 continue;
85 }
86
87 /* UNII-4 */
88 if (IS_UNII_INVALID(0, 5845, 5925))
89 ch->flags |= IEEE80211_CHAN_DISABLED;
90 }
91
92 sband = wiphy->bands[NL80211_BAND_6GHZ];
93 if (!sband)
94 return;
95
96 band_np = np ? of_get_child_by_name(np, "txpower-6g") : NULL;
97 for (i = 0; i < sband->n_channels; i++) {
98 ch = &sband->channels[i];
99 cfreq = ch->center_freq;
100
101 if (np && (!band_np || !mt76_find_channel_node(band_np, ch))) {
102 ch->flags |= IEEE80211_CHAN_DISABLED;
103 continue;
104 }
105
106 /* UNII-5/6/7/8 */
107 if (IS_UNII_INVALID(1, 5925, 6425) ||
108 IS_UNII_INVALID(2, 6425, 6525) ||
109 IS_UNII_INVALID(3, 6525, 6875) ||
110 IS_UNII_INVALID(4, 6875, 7125))
111 ch->flags |= IEEE80211_CHAN_DISABLED;
112 }
113}
114
115void mt7921_regd_update(struct mt792x_dev *dev)
116{
117 struct mt76_dev *mdev = &dev->mt76;
118 struct ieee80211_hw *hw = mdev->hw;
119 struct wiphy *wiphy = hw->wiphy;
120
121 mt7921_mcu_set_clc(dev, mdev->alpha2, dev->country_ie_env);
122 mt7921_regd_channel_update(wiphy, dev);
123 mt76_connac_mcu_set_channel_domain(hw->priv);
124 mt7921_set_tx_sar_pwr(hw, NULL);
125}
126EXPORT_SYMBOL_GPL(mt7921_regd_update);
127
128static void
129mt7921_regd_notifier(struct wiphy *wiphy,
130 struct regulatory_request *request)
131{
132 struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
133 struct mt792x_dev *dev = mt792x_hw_dev(hw);
134 struct mt76_connac_pm *pm = &dev->pm;
135
136 memcpy(dev->mt76.alpha2, request->alpha2, sizeof(dev->mt76.alpha2));
137 dev->mt76.region = request->dfs_region;
138 dev->country_ie_env = request->country_ie_env;
139
140 if (pm->suspended)
141 return;
142
143 dev->regd_in_progress = true;
144
145 mt792x_mutex_acquire(dev);
146 mt7921_regd_update(dev);
147 mt792x_mutex_release(dev);
148
149 dev->regd_in_progress = false;
150 wake_up(&dev->wait);
151}
152
153int mt7921_mac_init(struct mt792x_dev *dev)
154{
155 int i;
156
157 mt76_rmw_field(dev, MT_MDP_DCR1, MT_MDP_DCR1_MAX_RX_LEN, 1536);
158 /* enable hardware de-agg */
159 mt76_set(dev, MT_MDP_DCR0, MT_MDP_DCR0_DAMSDU_EN);
160 /* enable hardware rx header translation */
161 mt76_set(dev, MT_MDP_DCR0, MT_MDP_DCR0_RX_HDR_TRANS_EN);
162
163 for (i = 0; i < MT792x_WTBL_SIZE; i++)
164 mt7921_mac_wtbl_update(dev, i,
165 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
166 for (i = 0; i < 2; i++)
167 mt792x_mac_init_band(dev, i);
168
169 return mt76_connac_mcu_set_rts_thresh(&dev->mt76, 0x92b, 0);
170}
171EXPORT_SYMBOL_GPL(mt7921_mac_init);
172
173static int __mt7921_init_hardware(struct mt792x_dev *dev)
174{
175 int ret;
176
177 /* force firmware operation mode into normal state,
178 * which should be set before firmware download stage.
179 */
180 mt76_wr(dev, MT_SWDEF_MODE, MT_SWDEF_NORMAL_MODE);
181 ret = mt792x_mcu_init(dev);
182 if (ret)
183 goto out;
184
185 mt76_eeprom_override(&dev->mphy);
186
187 ret = mt7921_mcu_set_eeprom(dev);
188 if (ret)
189 goto out;
190
191 ret = mt7921_mac_init(dev);
192out:
193 return ret;
194}
195
196static int mt7921_init_hardware(struct mt792x_dev *dev)
197{
198 int ret, i;
199
200 set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state);
201
202 for (i = 0; i < MT792x_MCU_INIT_RETRY_COUNT; i++) {
203 ret = __mt7921_init_hardware(dev);
204 if (!ret)
205 break;
206
207 mt792x_init_reset(dev);
208 }
209
210 if (i == MT792x_MCU_INIT_RETRY_COUNT) {
211 dev_err(dev->mt76.dev, "hardware init failed\n");
212 return ret;
213 }
214
215 return 0;
216}
217
218static void mt7921_init_work(struct work_struct *work)
219{
220 struct mt792x_dev *dev = container_of(work, struct mt792x_dev,
221 init_work);
222 int ret;
223
224 ret = mt7921_init_hardware(dev);
225 if (ret)
226 return;
227
228 mt76_set_stream_caps(&dev->mphy, true);
229 mt7921_set_stream_he_caps(&dev->phy);
230
231 ret = mt76_register_device(&dev->mt76, true, mt76_rates,
232 ARRAY_SIZE(mt76_rates));
233 if (ret) {
234 dev_err(dev->mt76.dev, "register device failed\n");
235 return;
236 }
237
238 ret = mt7921_init_debugfs(dev);
239 if (ret) {
240 dev_err(dev->mt76.dev, "register debugfs failed\n");
241 return;
242 }
243
244 ret = mt7921_thermal_init(&dev->phy);
245 if (ret) {
246 dev_err(dev->mt76.dev, "thermal init failed\n");
247 return;
248 }
249
250 /* we support chip reset now */
251 dev->hw_init_done = true;
252
253 mt76_connac_mcu_set_deep_sleep(&dev->mt76, dev->pm.ds_enable);
254}
255
256int mt7921_register_device(struct mt792x_dev *dev)
257{
258 struct ieee80211_hw *hw = mt76_hw(dev);
259 int ret;
260
261 dev->phy.dev = dev;
262 dev->phy.mt76 = &dev->mt76.phy;
263 dev->mt76.phy.priv = &dev->phy;
264 dev->mt76.tx_worker.fn = mt792x_tx_worker;
265
266 INIT_DELAYED_WORK(&dev->pm.ps_work, mt792x_pm_power_save_work);
267 INIT_WORK(&dev->pm.wake_work, mt792x_pm_wake_work);
268 spin_lock_init(&dev->pm.wake.lock);
269 mutex_init(&dev->pm.mutex);
270 init_waitqueue_head(&dev->pm.wait);
271 init_waitqueue_head(&dev->wait);
272 if (mt76_is_sdio(&dev->mt76))
273 init_waitqueue_head(&dev->mt76.sdio.wait);
274 spin_lock_init(&dev->pm.txq_lock);
275 INIT_DELAYED_WORK(&dev->mphy.mac_work, mt792x_mac_work);
276 INIT_DELAYED_WORK(&dev->phy.scan_work, mt7921_scan_work);
277 INIT_DELAYED_WORK(&dev->coredump.work, mt7921_coredump_work);
278#if IS_ENABLED(CONFIG_IPV6)
279 INIT_WORK(&dev->ipv6_ns_work, mt7921_set_ipv6_ns_work);
280 skb_queue_head_init(&dev->ipv6_ns_list);
281#endif
282 skb_queue_head_init(&dev->phy.scan_event_list);
283 skb_queue_head_init(&dev->coredump.msg_list);
284
285 INIT_WORK(&dev->reset_work, mt7921_mac_reset_work);
286 INIT_WORK(&dev->init_work, mt7921_init_work);
287
288 INIT_WORK(&dev->phy.roc_work, mt7921_roc_work);
289 timer_setup(&dev->phy.roc_timer, mt792x_roc_timer, 0);
290 init_waitqueue_head(&dev->phy.roc_wait);
291
292 dev->pm.idle_timeout = MT792x_PM_TIMEOUT;
293 dev->pm.stats.last_wake_event = jiffies;
294 dev->pm.stats.last_doze_event = jiffies;
295 if (!mt76_is_usb(&dev->mt76)) {
296 dev->pm.enable_user = true;
297 dev->pm.enable = true;
298 dev->pm.ds_enable_user = true;
299 dev->pm.ds_enable = true;
300 }
301
302 if (!mt76_is_mmio(&dev->mt76))
303 hw->extra_tx_headroom += MT_SDIO_TXD_SIZE + MT_SDIO_HDR_SIZE;
304
305 mt792x_init_acpi_sar(dev);
306
307 ret = mt792x_init_wcid(dev);
308 if (ret)
309 return ret;
310
311 ret = mt792x_init_wiphy(hw);
312 if (ret)
313 return ret;
314
315 hw->wiphy->reg_notifier = mt7921_regd_notifier;
316 dev->mphy.sband_2g.sband.ht_cap.cap |=
317 IEEE80211_HT_CAP_LDPC_CODING |
318 IEEE80211_HT_CAP_MAX_AMSDU;
319 dev->mphy.sband_5g.sband.ht_cap.cap |=
320 IEEE80211_HT_CAP_LDPC_CODING |
321 IEEE80211_HT_CAP_MAX_AMSDU;
322 dev->mphy.sband_5g.sband.vht_cap.cap |=
323 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |
324 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK |
325 IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
326 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE |
327 (3 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT);
328 if (is_mt7922(&dev->mt76))
329 dev->mphy.sband_5g.sband.vht_cap.cap |=
330 IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ |
331 IEEE80211_VHT_CAP_SHORT_GI_160;
332
333 dev->mphy.hw->wiphy->available_antennas_rx = dev->mphy.chainmask;
334 dev->mphy.hw->wiphy->available_antennas_tx = dev->mphy.chainmask;
335
336 queue_work(system_wq, &dev->init_work);
337
338 return 0;
339}
340EXPORT_SYMBOL_GPL(mt7921_register_device);
1// SPDX-License-Identifier: ISC
2/* Copyright (C) 2020 MediaTek Inc. */
3
4#include <linux/etherdevice.h>
5#include <linux/firmware.h>
6#include "mt7921.h"
7#include "mac.h"
8#include "mcu.h"
9#include "eeprom.h"
10
11static const struct ieee80211_iface_limit if_limits[] = {
12 {
13 .max = MT7921_MAX_INTERFACES,
14 .types = BIT(NL80211_IFTYPE_STATION)
15 },
16 {
17 .max = 1,
18 .types = BIT(NL80211_IFTYPE_AP)
19 }
20};
21
22static const struct ieee80211_iface_combination if_comb[] = {
23 {
24 .limits = if_limits,
25 .n_limits = ARRAY_SIZE(if_limits),
26 .max_interfaces = MT7921_MAX_INTERFACES,
27 .num_different_channels = 1,
28 .beacon_int_infra_match = true,
29 },
30};
31
32static const struct ieee80211_iface_limit if_limits_chanctx[] = {
33 {
34 .max = 2,
35 .types = BIT(NL80211_IFTYPE_STATION),
36 },
37 {
38 .max = 1,
39 .types = BIT(NL80211_IFTYPE_AP),
40 }
41};
42
43static const struct ieee80211_iface_combination if_comb_chanctx[] = {
44 {
45 .limits = if_limits_chanctx,
46 .n_limits = ARRAY_SIZE(if_limits_chanctx),
47 .max_interfaces = 2,
48 .num_different_channels = 2,
49 .beacon_int_infra_match = false,
50 }
51};
52
53static void
54mt7921_regd_notifier(struct wiphy *wiphy,
55 struct regulatory_request *request)
56{
57 struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
58 struct mt7921_dev *dev = mt7921_hw_dev(hw);
59
60 memcpy(dev->mt76.alpha2, request->alpha2, sizeof(dev->mt76.alpha2));
61 dev->mt76.region = request->dfs_region;
62 dev->country_ie_env = request->country_ie_env;
63
64 mt7921_mutex_acquire(dev);
65 mt7921_mcu_set_clc(dev, request->alpha2, request->country_ie_env);
66 mt76_connac_mcu_set_channel_domain(hw->priv);
67 mt7921_set_tx_sar_pwr(hw, NULL);
68 mt7921_mutex_release(dev);
69}
70
71static int
72mt7921_init_wiphy(struct ieee80211_hw *hw)
73{
74 struct mt7921_phy *phy = mt7921_hw_phy(hw);
75 struct mt7921_dev *dev = phy->dev;
76 struct wiphy *wiphy = hw->wiphy;
77
78 hw->queues = 4;
79 hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF_HE;
80 hw->max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF_HE;
81 hw->netdev_features = NETIF_F_RXCSUM;
82
83 hw->radiotap_timestamp.units_pos =
84 IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US;
85
86 phy->slottime = 9;
87
88 hw->sta_data_size = sizeof(struct mt7921_sta);
89 hw->vif_data_size = sizeof(struct mt7921_vif);
90
91 if (dev->fw_features & MT7921_FW_CAP_CNM) {
92 wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
93 wiphy->iface_combinations = if_comb_chanctx;
94 wiphy->n_iface_combinations = ARRAY_SIZE(if_comb_chanctx);
95 } else {
96 wiphy->flags &= ~WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
97 wiphy->iface_combinations = if_comb;
98 wiphy->n_iface_combinations = ARRAY_SIZE(if_comb);
99 }
100 wiphy->flags &= ~(WIPHY_FLAG_IBSS_RSN | WIPHY_FLAG_4ADDR_AP |
101 WIPHY_FLAG_4ADDR_STATION);
102 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
103 BIT(NL80211_IFTYPE_AP);
104 wiphy->max_remain_on_channel_duration = 5000;
105 wiphy->max_scan_ie_len = MT76_CONNAC_SCAN_IE_LEN;
106 wiphy->max_scan_ssids = 4;
107 wiphy->max_sched_scan_plan_interval =
108 MT76_CONNAC_MAX_TIME_SCHED_SCAN_INTERVAL;
109 wiphy->max_sched_scan_ie_len = IEEE80211_MAX_DATA_LEN;
110 wiphy->max_sched_scan_ssids = MT76_CONNAC_MAX_SCHED_SCAN_SSID;
111 wiphy->max_match_sets = MT76_CONNAC_MAX_SCAN_MATCH;
112 wiphy->max_sched_scan_reqs = 1;
113 wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
114 wiphy->reg_notifier = mt7921_regd_notifier;
115
116 wiphy->features |= NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR |
117 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
118 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_SET_SCAN_DWELL);
119 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_LEGACY);
120 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_HT);
121 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_VHT);
122 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_HE);
123
124 ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS);
125 ieee80211_hw_set(hw, HAS_RATE_CONTROL);
126 ieee80211_hw_set(hw, SUPPORTS_TX_ENCAP_OFFLOAD);
127 ieee80211_hw_set(hw, SUPPORTS_RX_DECAP_OFFLOAD);
128 ieee80211_hw_set(hw, WANT_MONITOR_VIF);
129 ieee80211_hw_set(hw, SUPPORTS_PS);
130 ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS);
131 ieee80211_hw_set(hw, SUPPORTS_VHT_EXT_NSS_BW);
132 ieee80211_hw_set(hw, CONNECTION_MONITOR);
133
134 if (dev->pm.enable)
135 ieee80211_hw_set(hw, CONNECTION_MONITOR);
136
137 hw->max_tx_fragments = 4;
138
139 return 0;
140}
141
142static void
143mt7921_mac_init_band(struct mt7921_dev *dev, u8 band)
144{
145 mt76_rmw_field(dev, MT_TMAC_CTCR0(band),
146 MT_TMAC_CTCR0_INS_DDLMT_REFTIME, 0x3f);
147 mt76_set(dev, MT_TMAC_CTCR0(band),
148 MT_TMAC_CTCR0_INS_DDLMT_VHT_SMPDU_EN |
149 MT_TMAC_CTCR0_INS_DDLMT_EN);
150
151 mt76_set(dev, MT_WF_RMAC_MIB_TIME0(band), MT_WF_RMAC_MIB_RXTIME_EN);
152 mt76_set(dev, MT_WF_RMAC_MIB_AIRTIME0(band), MT_WF_RMAC_MIB_RXTIME_EN);
153
154 /* enable MIB tx-rx time reporting */
155 mt76_set(dev, MT_MIB_SCR1(band), MT_MIB_TXDUR_EN);
156 mt76_set(dev, MT_MIB_SCR1(band), MT_MIB_RXDUR_EN);
157
158 mt76_rmw_field(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_MAX_RX_LEN, 1536);
159 /* disable rx rate report by default due to hw issues */
160 mt76_clear(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_RXD_G5_EN);
161}
162
163u8 mt7921_check_offload_capability(struct device *dev, const char *fw_wm)
164{
165 struct mt7921_fw_features *features = NULL;
166 const struct mt76_connac2_fw_trailer *hdr;
167 struct mt7921_realease_info *rel_info;
168 const struct firmware *fw;
169 int ret, i, offset = 0;
170 const u8 *data, *end;
171
172 ret = request_firmware(&fw, fw_wm, dev);
173 if (ret)
174 return ret;
175
176 if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
177 dev_err(dev, "Invalid firmware\n");
178 return -EINVAL;
179 }
180
181 data = fw->data;
182 hdr = (const void *)(fw->data + fw->size - sizeof(*hdr));
183
184 for (i = 0; i < hdr->n_region; i++) {
185 const struct mt76_connac2_fw_region *region;
186
187 region = (const void *)((const u8 *)hdr -
188 (hdr->n_region - i) * sizeof(*region));
189 offset += le32_to_cpu(region->len);
190 }
191
192 data += offset + 16;
193 rel_info = (struct mt7921_realease_info *)data;
194 data += sizeof(*rel_info);
195 end = data + le16_to_cpu(rel_info->len);
196
197 while (data < end) {
198 rel_info = (struct mt7921_realease_info *)data;
199 data += sizeof(*rel_info);
200
201 if (rel_info->tag == MT7921_FW_TAG_FEATURE) {
202 features = (struct mt7921_fw_features *)data;
203 break;
204 }
205
206 data += le16_to_cpu(rel_info->len) + rel_info->pad_len;
207 }
208
209 release_firmware(fw);
210
211 return features ? features->data : 0;
212}
213EXPORT_SYMBOL_GPL(mt7921_check_offload_capability);
214
215int mt7921_mac_init(struct mt7921_dev *dev)
216{
217 int i;
218
219 mt76_rmw_field(dev, MT_MDP_DCR1, MT_MDP_DCR1_MAX_RX_LEN, 1536);
220 /* enable hardware de-agg */
221 mt76_set(dev, MT_MDP_DCR0, MT_MDP_DCR0_DAMSDU_EN);
222 /* enable hardware rx header translation */
223 mt76_set(dev, MT_MDP_DCR0, MT_MDP_DCR0_RX_HDR_TRANS_EN);
224
225 for (i = 0; i < MT7921_WTBL_SIZE; i++)
226 mt7921_mac_wtbl_update(dev, i,
227 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
228 for (i = 0; i < 2; i++)
229 mt7921_mac_init_band(dev, i);
230
231 dev->mt76.rxfilter = mt76_rr(dev, MT_WF_RFCR(0));
232
233 return mt76_connac_mcu_set_rts_thresh(&dev->mt76, 0x92b, 0);
234}
235EXPORT_SYMBOL_GPL(mt7921_mac_init);
236
237static int __mt7921_init_hardware(struct mt7921_dev *dev)
238{
239 int ret;
240
241 /* force firmware operation mode into normal state,
242 * which should be set before firmware download stage.
243 */
244 mt76_wr(dev, MT_SWDEF_MODE, MT_SWDEF_NORMAL_MODE);
245 ret = mt7921_mcu_init(dev);
246 if (ret)
247 goto out;
248
249 mt76_eeprom_override(&dev->mphy);
250
251 ret = mt7921_mcu_set_eeprom(dev);
252 if (ret)
253 goto out;
254
255 ret = mt7921_mac_init(dev);
256out:
257 return ret;
258}
259
260static int mt7921_init_hardware(struct mt7921_dev *dev)
261{
262 int ret, i;
263
264 set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state);
265
266 for (i = 0; i < MT7921_MCU_INIT_RETRY_COUNT; i++) {
267 ret = __mt7921_init_hardware(dev);
268 if (!ret)
269 break;
270
271 mt7921_init_reset(dev);
272 }
273
274 if (i == MT7921_MCU_INIT_RETRY_COUNT) {
275 dev_err(dev->mt76.dev, "hardware init failed\n");
276 return ret;
277 }
278
279 return 0;
280}
281
282static int mt7921_init_wcid(struct mt7921_dev *dev)
283{
284 int idx;
285
286 /* Beacon and mgmt frames should occupy wcid 0 */
287 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7921_WTBL_STA - 1);
288 if (idx)
289 return -ENOSPC;
290
291 dev->mt76.global_wcid.idx = idx;
292 dev->mt76.global_wcid.hw_key_idx = -1;
293 dev->mt76.global_wcid.tx_info |= MT_WCID_TX_INFO_SET;
294 rcu_assign_pointer(dev->mt76.wcid[idx], &dev->mt76.global_wcid);
295
296 return 0;
297}
298
299static void mt7921_init_work(struct work_struct *work)
300{
301 struct mt7921_dev *dev = container_of(work, struct mt7921_dev,
302 init_work);
303 int ret;
304
305 ret = mt7921_init_hardware(dev);
306 if (ret)
307 return;
308
309 mt76_set_stream_caps(&dev->mphy, true);
310 mt7921_set_stream_he_caps(&dev->phy);
311
312 ret = mt76_register_device(&dev->mt76, true, mt76_rates,
313 ARRAY_SIZE(mt76_rates));
314 if (ret) {
315 dev_err(dev->mt76.dev, "register device failed\n");
316 return;
317 }
318
319 ret = mt7921_init_debugfs(dev);
320 if (ret) {
321 dev_err(dev->mt76.dev, "register debugfs failed\n");
322 return;
323 }
324
325 /* we support chip reset now */
326 dev->hw_init_done = true;
327
328 mt76_connac_mcu_set_deep_sleep(&dev->mt76, dev->pm.ds_enable);
329}
330
331int mt7921_register_device(struct mt7921_dev *dev)
332{
333 struct ieee80211_hw *hw = mt76_hw(dev);
334 int ret;
335
336 dev->phy.dev = dev;
337 dev->phy.mt76 = &dev->mt76.phy;
338 dev->mt76.phy.priv = &dev->phy;
339 dev->mt76.tx_worker.fn = mt7921_tx_worker;
340
341 INIT_DELAYED_WORK(&dev->pm.ps_work, mt7921_pm_power_save_work);
342 INIT_WORK(&dev->pm.wake_work, mt7921_pm_wake_work);
343 spin_lock_init(&dev->pm.wake.lock);
344 mutex_init(&dev->pm.mutex);
345 init_waitqueue_head(&dev->pm.wait);
346 if (mt76_is_sdio(&dev->mt76))
347 init_waitqueue_head(&dev->mt76.sdio.wait);
348 spin_lock_init(&dev->pm.txq_lock);
349 INIT_DELAYED_WORK(&dev->mphy.mac_work, mt7921_mac_work);
350 INIT_DELAYED_WORK(&dev->phy.scan_work, mt7921_scan_work);
351 INIT_DELAYED_WORK(&dev->coredump.work, mt7921_coredump_work);
352#if IS_ENABLED(CONFIG_IPV6)
353 INIT_WORK(&dev->ipv6_ns_work, mt7921_set_ipv6_ns_work);
354 skb_queue_head_init(&dev->ipv6_ns_list);
355#endif
356 skb_queue_head_init(&dev->phy.scan_event_list);
357 skb_queue_head_init(&dev->coredump.msg_list);
358 INIT_LIST_HEAD(&dev->sta_poll_list);
359 spin_lock_init(&dev->sta_poll_lock);
360
361 INIT_WORK(&dev->reset_work, mt7921_mac_reset_work);
362 INIT_WORK(&dev->init_work, mt7921_init_work);
363
364 INIT_WORK(&dev->phy.roc_work, mt7921_roc_work);
365 timer_setup(&dev->phy.roc_timer, mt7921_roc_timer, 0);
366 init_waitqueue_head(&dev->phy.roc_wait);
367
368 dev->pm.idle_timeout = MT7921_PM_TIMEOUT;
369 dev->pm.stats.last_wake_event = jiffies;
370 dev->pm.stats.last_doze_event = jiffies;
371 if (!mt76_is_usb(&dev->mt76)) {
372 dev->pm.enable_user = true;
373 dev->pm.enable = true;
374 dev->pm.ds_enable_user = true;
375 dev->pm.ds_enable = true;
376 }
377
378 if (!mt76_is_mmio(&dev->mt76))
379 hw->extra_tx_headroom += MT_SDIO_TXD_SIZE + MT_SDIO_HDR_SIZE;
380
381 mt7921_init_acpi_sar(dev);
382
383 ret = mt7921_init_wcid(dev);
384 if (ret)
385 return ret;
386
387 ret = mt7921_init_wiphy(hw);
388 if (ret)
389 return ret;
390
391 dev->mphy.sband_2g.sband.ht_cap.cap |=
392 IEEE80211_HT_CAP_LDPC_CODING |
393 IEEE80211_HT_CAP_MAX_AMSDU;
394 dev->mphy.sband_5g.sband.ht_cap.cap |=
395 IEEE80211_HT_CAP_LDPC_CODING |
396 IEEE80211_HT_CAP_MAX_AMSDU;
397 dev->mphy.sband_5g.sband.vht_cap.cap |=
398 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |
399 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK |
400 IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
401 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE |
402 (3 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT);
403 if (is_mt7922(&dev->mt76))
404 dev->mphy.sband_5g.sband.vht_cap.cap |=
405 IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ |
406 IEEE80211_VHT_CAP_SHORT_GI_160;
407
408 dev->mphy.hw->wiphy->available_antennas_rx = dev->mphy.chainmask;
409 dev->mphy.hw->wiphy->available_antennas_tx = dev->mphy.chainmask;
410
411 queue_work(system_wq, &dev->init_work);
412
413 return 0;
414}
415EXPORT_SYMBOL_GPL(mt7921_register_device);