1
2
3
4#include <linux/etherdevice.h>
5#include "mt7921.h"
6#include "mac.h"
7#include "mcu.h"
8#include "eeprom.h"
9
10static const struct ieee80211_iface_limit if_limits[] = {
11 {
12 .max = MT7921_MAX_INTERFACES,
13 .types = BIT(NL80211_IFTYPE_STATION)
14 }
15};
16
17static const struct ieee80211_iface_combination if_comb[] = {
18 {
19 .limits = if_limits,
20 .n_limits = ARRAY_SIZE(if_limits),
21 .max_interfaces = MT7921_MAX_INTERFACES,
22 .num_different_channels = 1,
23 .beacon_int_infra_match = true,
24 }
25};
26
27static void
28mt7921_regd_notifier(struct wiphy *wiphy,
29 struct regulatory_request *request)
30{
31 struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
32 struct mt7921_dev *dev = mt7921_hw_dev(hw);
33 struct mt7921_phy *phy = mt7921_hw_phy(hw);
34
35 memcpy(dev->mt76.alpha2, request->alpha2, sizeof(dev->mt76.alpha2));
36 dev->mt76.region = request->dfs_region;
37
38 mt7921_mutex_acquire(dev);
39 mt76_connac_mcu_set_channel_domain(hw->priv);
40 mt76_connac_mcu_set_rate_txpower(phy->mt76);
41 mt7921_mutex_release(dev);
42}
43
44static void
45mt7921_init_wiphy(struct ieee80211_hw *hw)
46{
47 struct mt7921_phy *phy = mt7921_hw_phy(hw);
48 struct mt7921_dev *dev = phy->dev;
49 struct wiphy *wiphy = hw->wiphy;
50
51 hw->queues = 4;
52 hw->max_rx_aggregation_subframes = 64;
53 hw->max_tx_aggregation_subframes = 128;
54 hw->netdev_features = NETIF_F_RXCSUM;
55
56 hw->radiotap_timestamp.units_pos =
57 IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US;
58
59 phy->slottime = 9;
60
61 hw->sta_data_size = sizeof(struct mt7921_sta);
62 hw->vif_data_size = sizeof(struct mt7921_vif);
63
64 wiphy->iface_combinations = if_comb;
65 wiphy->flags &= ~WIPHY_FLAG_IBSS_RSN;
66 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
67 wiphy->n_iface_combinations = ARRAY_SIZE(if_comb);
68 wiphy->max_scan_ie_len = MT76_CONNAC_SCAN_IE_LEN;
69 wiphy->max_scan_ssids = 4;
70 wiphy->max_sched_scan_plan_interval =
71 MT76_CONNAC_MAX_TIME_SCHED_SCAN_INTERVAL;
72 wiphy->max_sched_scan_ie_len = IEEE80211_MAX_DATA_LEN;
73 wiphy->max_sched_scan_ssids = MT76_CONNAC_MAX_SCHED_SCAN_SSID;
74 wiphy->max_match_sets = MT76_CONNAC_MAX_SCAN_MATCH;
75 wiphy->max_sched_scan_reqs = 1;
76 wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
77 wiphy->reg_notifier = mt7921_regd_notifier;
78
79 wiphy->features |= NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR |
80 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
81 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_SET_SCAN_DWELL);
82
83 ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS);
84 ieee80211_hw_set(hw, HAS_RATE_CONTROL);
85 ieee80211_hw_set(hw, SUPPORTS_TX_ENCAP_OFFLOAD);
86 ieee80211_hw_set(hw, SUPPORTS_RX_DECAP_OFFLOAD);
87 ieee80211_hw_set(hw, WANT_MONITOR_VIF);
88 ieee80211_hw_set(hw, SUPPORTS_PS);
89 ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS);
90
91 if (dev->pm.enable)
92 ieee80211_hw_set(hw, CONNECTION_MONITOR);
93
94 hw->max_tx_fragments = 4;
95}
96
97static void
98mt7921_mac_init_band(struct mt7921_dev *dev, u8 band)
99{
100 mt76_rmw_field(dev, MT_TMAC_CTCR0(band),
101 MT_TMAC_CTCR0_INS_DDLMT_REFTIME, 0x3f);
102 mt76_set(dev, MT_TMAC_CTCR0(band),
103 MT_TMAC_CTCR0_INS_DDLMT_VHT_SMPDU_EN |
104 MT_TMAC_CTCR0_INS_DDLMT_EN);
105
106 mt76_set(dev, MT_WF_RMAC_MIB_TIME0(band), MT_WF_RMAC_MIB_RXTIME_EN);
107 mt76_set(dev, MT_WF_RMAC_MIB_AIRTIME0(band), MT_WF_RMAC_MIB_RXTIME_EN);
108
109 mt76_rmw_field(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_MAX_RX_LEN, 1536);
110
111 mt76_clear(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_RXD_G5_EN);
112}
113
114int mt7921_mac_init(struct mt7921_dev *dev)
115{
116 int i;
117
118 mt76_rmw_field(dev, MT_MDP_DCR1, MT_MDP_DCR1_MAX_RX_LEN, 1536);
119
120 mt76_set(dev, MT_MDP_DCR0, MT_MDP_DCR0_DAMSDU_EN);
121
122 mt76_set(dev, MT_MDP_DCR0, MT_MDP_DCR0_RX_HDR_TRANS_EN);
123
124 for (i = 0; i < MT7921_WTBL_SIZE; i++)
125 mt7921_mac_wtbl_update(dev, i,
126 MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
127 for (i = 0; i < 2; i++)
128 mt7921_mac_init_band(dev, i);
129
130 return mt76_connac_mcu_set_rts_thresh(&dev->mt76, 0x92b, 0);
131}
132
133static int mt7921_init_hardware(struct mt7921_dev *dev)
134{
135 int ret, idx;
136
137 ret = mt7921_dma_init(dev);
138 if (ret)
139 return ret;
140
141 set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state);
142
143
144
145
146 mt76_wr(dev, MT_SWDEF_MODE, MT_SWDEF_NORMAL_MODE);
147
148 ret = mt7921_mcu_init(dev);
149 if (ret)
150 return ret;
151
152 ret = mt7921_eeprom_init(dev);
153 if (ret < 0)
154 return ret;
155
156 ret = mt7921_mcu_set_eeprom(dev);
157 if (ret)
158 return ret;
159
160
161 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7921_WTBL_STA - 1);
162 if (idx)
163 return -ENOSPC;
164
165 dev->mt76.global_wcid.idx = idx;
166 dev->mt76.global_wcid.hw_key_idx = -1;
167 dev->mt76.global_wcid.tx_info |= MT_WCID_TX_INFO_SET;
168 rcu_assign_pointer(dev->mt76.wcid[idx], &dev->mt76.global_wcid);
169
170 return mt7921_mac_init(dev);
171}
172
173int mt7921_register_device(struct mt7921_dev *dev)
174{
175 struct ieee80211_hw *hw = mt76_hw(dev);
176 int ret;
177
178 dev->phy.dev = dev;
179 dev->phy.mt76 = &dev->mt76.phy;
180 dev->mt76.phy.priv = &dev->phy;
181 dev->mt76.tx_worker.fn = mt7921_tx_worker;
182
183 INIT_DELAYED_WORK(&dev->pm.ps_work, mt7921_pm_power_save_work);
184 INIT_WORK(&dev->pm.wake_work, mt7921_pm_wake_work);
185 spin_lock_init(&dev->pm.wake.lock);
186 mutex_init(&dev->pm.mutex);
187 init_waitqueue_head(&dev->pm.wait);
188 spin_lock_init(&dev->pm.txq_lock);
189 INIT_LIST_HEAD(&dev->phy.stats_list);
190 INIT_DELAYED_WORK(&dev->mphy.mac_work, mt7921_mac_work);
191 INIT_DELAYED_WORK(&dev->phy.scan_work, mt7921_scan_work);
192 INIT_DELAYED_WORK(&dev->coredump.work, mt7921_coredump_work);
193 skb_queue_head_init(&dev->phy.scan_event_list);
194 skb_queue_head_init(&dev->coredump.msg_list);
195 INIT_LIST_HEAD(&dev->sta_poll_list);
196 spin_lock_init(&dev->sta_poll_lock);
197
198 INIT_WORK(&dev->reset_work, mt7921_mac_reset_work);
199
200 dev->pm.idle_timeout = MT7921_PM_TIMEOUT;
201 dev->pm.stats.last_wake_event = jiffies;
202 dev->pm.stats.last_doze_event = jiffies;
203 dev->pm.enable = true;
204 dev->pm.ds_enable = true;
205
206 ret = mt7921_init_hardware(dev);
207 if (ret)
208 return ret;
209
210 mt7921_init_wiphy(hw);
211 dev->mphy.sband_2g.sband.ht_cap.cap |=
212 IEEE80211_HT_CAP_LDPC_CODING |
213 IEEE80211_HT_CAP_MAX_AMSDU;
214 dev->mphy.sband_5g.sband.ht_cap.cap |=
215 IEEE80211_HT_CAP_LDPC_CODING |
216 IEEE80211_HT_CAP_MAX_AMSDU;
217 dev->mphy.sband_5g.sband.vht_cap.cap |=
218 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 |
219 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK |
220 IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
221 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE |
222 (3 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT);
223
224 dev->mphy.hw->wiphy->available_antennas_rx = dev->mphy.chainmask;
225 dev->mphy.hw->wiphy->available_antennas_tx = dev->mphy.chainmask;
226
227 mt76_set_stream_caps(&dev->mphy, true);
228 mt7921_set_stream_he_caps(&dev->phy);
229
230 ret = mt76_register_device(&dev->mt76, true, mt76_rates,
231 ARRAY_SIZE(mt76_rates));
232 if (ret)
233 return ret;
234
235 ret = mt7921_init_debugfs(dev);
236 if (ret)
237 return ret;
238
239 ret = mt76_connac_mcu_set_deep_sleep(&dev->mt76, dev->pm.ds_enable);
240 if (ret)
241 return ret;
242
243 dev->hw_init_done = true;
244
245 return 0;
246}
247
248void mt7921_unregister_device(struct mt7921_dev *dev)
249{
250 mt76_unregister_device(&dev->mt76);
251 mt7921_tx_token_put(dev);
252 mt7921_dma_cleanup(dev);
253 mt7921_mcu_exit(dev);
254
255 tasklet_disable(&dev->irq_tasklet);
256 mt76_free_device(&dev->mt76);
257}
258
