1 // SPDX-License-Identifier: ISC
2 /*
3 * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
4 */
5
6 #include "mt76x2.h"
7 #include "../mt76x02_mac.h"
8
9 static int
mt76x2_start(struct ieee80211_hw * hw)10 mt76x2_start(struct ieee80211_hw *hw)
11 {
12 struct mt76x02_dev *dev = hw->priv;
13
14 mt76x02_mac_start(dev);
15 mt76x2_phy_start(dev);
16
17 ieee80211_queue_delayed_work(mt76_hw(dev), &dev->mphy.mac_work,
18 MT_MAC_WORK_INTERVAL);
19 ieee80211_queue_delayed_work(mt76_hw(dev), &dev->wdt_work,
20 MT_WATCHDOG_TIME);
21
22 set_bit(MT76_STATE_RUNNING, &dev->mphy.state);
23 return 0;
24 }
25
26 static void
mt76x2_stop(struct ieee80211_hw * hw)27 mt76x2_stop(struct ieee80211_hw *hw)
28 {
29 struct mt76x02_dev *dev = hw->priv;
30
31 clear_bit(MT76_STATE_RUNNING, &dev->mphy.state);
32 mt76x2_stop_hardware(dev);
33 }
34
35 static void
mt76x2_set_channel(struct mt76x02_dev * dev,struct cfg80211_chan_def * chandef)36 mt76x2_set_channel(struct mt76x02_dev *dev, struct cfg80211_chan_def *chandef)
37 {
38 cancel_delayed_work_sync(&dev->cal_work);
39 tasklet_disable(&dev->mt76.pre_tbtt_tasklet);
40 tasklet_disable(&dev->dfs_pd.dfs_tasklet);
41
42 mutex_lock(&dev->mt76.mutex);
43 set_bit(MT76_RESET, &dev->mphy.state);
44
45 mt76_set_channel(&dev->mphy);
46
47 mt76x2_mac_stop(dev, true);
48 mt76x2_phy_set_channel(dev, chandef);
49
50 mt76x02_mac_cc_reset(dev);
51 mt76x02_dfs_init_params(dev);
52
53 mt76x2_mac_resume(dev);
54
55 clear_bit(MT76_RESET, &dev->mphy.state);
56 mutex_unlock(&dev->mt76.mutex);
57
58 tasklet_enable(&dev->dfs_pd.dfs_tasklet);
59 tasklet_enable(&dev->mt76.pre_tbtt_tasklet);
60
61 mt76_txq_schedule_all(&dev->mphy);
62 }
63
64 static int
mt76x2_config(struct ieee80211_hw * hw,u32 changed)65 mt76x2_config(struct ieee80211_hw *hw, u32 changed)
66 {
67 struct mt76x02_dev *dev = hw->priv;
68
69 mutex_lock(&dev->mt76.mutex);
70
71 if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
72 if (!(hw->conf.flags & IEEE80211_CONF_MONITOR))
73 dev->mt76.rxfilter |= MT_RX_FILTR_CFG_PROMISC;
74 else
75 dev->mt76.rxfilter &= ~MT_RX_FILTR_CFG_PROMISC;
76
77 mt76_wr(dev, MT_RX_FILTR_CFG, dev->mt76.rxfilter);
78 }
79
80 if (changed & IEEE80211_CONF_CHANGE_POWER) {
81 dev->txpower_conf = hw->conf.power_level * 2;
82
83 /* convert to per-chain power for 2x2 devices */
84 dev->txpower_conf -= 6;
85
86 if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state)) {
87 mt76x2_phy_set_txpower(dev);
88 mt76x02_tx_set_txpwr_auto(dev, dev->txpower_conf);
89 }
90 }
91
92 mutex_unlock(&dev->mt76.mutex);
93
94 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
95 ieee80211_stop_queues(hw);
96 mt76x2_set_channel(dev, &hw->conf.chandef);
97 ieee80211_wake_queues(hw);
98 }
99
100 return 0;
101 }
102
103 static void
mt76x2_flush(struct ieee80211_hw * hw,struct ieee80211_vif * vif,u32 queues,bool drop)104 mt76x2_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
105 u32 queues, bool drop)
106 {
107 }
108
mt76x2_set_antenna(struct ieee80211_hw * hw,u32 tx_ant,u32 rx_ant)109 static int mt76x2_set_antenna(struct ieee80211_hw *hw, u32 tx_ant,
110 u32 rx_ant)
111 {
112 struct mt76x02_dev *dev = hw->priv;
113
114 if (!tx_ant || tx_ant > 3 || tx_ant != rx_ant)
115 return -EINVAL;
116
117 mutex_lock(&dev->mt76.mutex);
118
119 dev->mphy.chainmask = (tx_ant == 3) ? 0x202 : 0x101;
120 dev->mphy.antenna_mask = tx_ant;
121
122 mt76_set_stream_caps(&dev->mphy, true);
123 mt76x2_phy_set_antenna(dev);
124
125 mutex_unlock(&dev->mt76.mutex);
126
127 return 0;
128 }
129
130 const struct ieee80211_ops mt76x2_ops = {
131 .tx = mt76x02_tx,
132 .start = mt76x2_start,
133 .stop = mt76x2_stop,
134 .add_interface = mt76x02_add_interface,
135 .remove_interface = mt76x02_remove_interface,
136 .config = mt76x2_config,
137 .configure_filter = mt76x02_configure_filter,
138 .bss_info_changed = mt76x02_bss_info_changed,
139 .sta_state = mt76_sta_state,
140 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,
141 .set_key = mt76x02_set_key,
142 .conf_tx = mt76x02_conf_tx,
143 .sw_scan_start = mt76_sw_scan,
144 .sw_scan_complete = mt76x02_sw_scan_complete,
145 .flush = mt76x2_flush,
146 .ampdu_action = mt76x02_ampdu_action,
147 .get_txpower = mt76_get_txpower,
148 .wake_tx_queue = mt76_wake_tx_queue,
149 .sta_rate_tbl_update = mt76x02_sta_rate_tbl_update,
150 .release_buffered_frames = mt76_release_buffered_frames,
151 .set_coverage_class = mt76x02_set_coverage_class,
152 .get_survey = mt76_get_survey,
153 .set_tim = mt76_set_tim,
154 .set_antenna = mt76x2_set_antenna,
155 .get_antenna = mt76_get_antenna,
156 .set_rts_threshold = mt76x02_set_rts_threshold,
157 .reconfig_complete = mt76x02_reconfig_complete,
158 };
159
160
