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,bool suspend)27 mt76x2_stop(struct ieee80211_hw *hw, bool suspend)
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
mt76x2e_set_channel(struct mt76_phy * phy)35 int mt76x2e_set_channel(struct mt76_phy *phy)
36 {
37 struct mt76x02_dev *dev = container_of(phy->dev, struct mt76x02_dev, mt76);
38
39 tasklet_disable(&dev->mt76.pre_tbtt_tasklet);
40 tasklet_disable(&dev->dfs_pd.dfs_tasklet);
41
42 mt76x2_mac_stop(dev, true);
43 mt76x2_phy_set_channel(dev, &phy->chandef);
44
45 mt76x02_mac_cc_reset(dev);
46 mt76x02_dfs_init_params(dev);
47
48 mt76x2_mac_resume(dev);
49
50 tasklet_enable(&dev->dfs_pd.dfs_tasklet);
51 tasklet_enable(&dev->mt76.pre_tbtt_tasklet);
52
53 return 0;
54 }
55
56 static int
mt76x2_config(struct ieee80211_hw * hw,u32 changed)57 mt76x2_config(struct ieee80211_hw *hw, u32 changed)
58 {
59 struct mt76x02_dev *dev = hw->priv;
60
61 mutex_lock(&dev->mt76.mutex);
62
63 if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
64 if (!(hw->conf.flags & IEEE80211_CONF_MONITOR))
65 dev->mt76.rxfilter |= MT_RX_FILTR_CFG_PROMISC;
66 else
67 dev->mt76.rxfilter &= ~MT_RX_FILTR_CFG_PROMISC;
68
69 mt76_wr(dev, MT_RX_FILTR_CFG, dev->mt76.rxfilter);
70 }
71
72 if (changed & IEEE80211_CONF_CHANGE_POWER) {
73 struct mt76_phy *mphy = &dev->mphy;
74
75 dev->txpower_conf = hw->conf.power_level * 2;
76 dev->txpower_conf = mt76_get_sar_power(mphy,
77 mphy->chandef.chan,
78 dev->txpower_conf);
79 /* convert to per-chain power for 2x2 devices */
80 dev->txpower_conf -= 6;
81
82 if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state)) {
83 mt76x2_phy_set_txpower(dev);
84 mt76x02_tx_set_txpwr_auto(dev, dev->txpower_conf);
85 }
86 }
87
88 mutex_unlock(&dev->mt76.mutex);
89
90 if (changed & IEEE80211_CONF_CHANGE_CHANNEL)
91 mt76_update_channel(&dev->mphy);
92
93 return 0;
94 }
95
96 static void
mt76x2_flush(struct ieee80211_hw * hw,struct ieee80211_vif * vif,u32 queues,bool drop)97 mt76x2_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
98 u32 queues, bool drop)
99 {
100 }
101
mt76x2_set_antenna(struct ieee80211_hw * hw,u32 tx_ant,u32 rx_ant)102 static int mt76x2_set_antenna(struct ieee80211_hw *hw, u32 tx_ant,
103 u32 rx_ant)
104 {
105 struct mt76x02_dev *dev = hw->priv;
106
107 if (!tx_ant || tx_ant > 3 || tx_ant != rx_ant)
108 return -EINVAL;
109
110 mutex_lock(&dev->mt76.mutex);
111
112 dev->mphy.chainmask = (tx_ant == 3) ? 0x202 : 0x101;
113 dev->mphy.antenna_mask = tx_ant;
114
115 mt76_set_stream_caps(&dev->mphy, true);
116 mt76x2_phy_set_antenna(dev);
117
118 mutex_unlock(&dev->mt76.mutex);
119
120 return 0;
121 }
122
123 const struct ieee80211_ops mt76x2_ops = {
124 .add_chanctx = ieee80211_emulate_add_chanctx,
125 .remove_chanctx = ieee80211_emulate_remove_chanctx,
126 .change_chanctx = ieee80211_emulate_change_chanctx,
127 .switch_vif_chanctx = ieee80211_emulate_switch_vif_chanctx,
128 .tx = mt76x02_tx,
129 .start = mt76x2_start,
130 .stop = mt76x2_stop,
131 .add_interface = mt76x02_add_interface,
132 .remove_interface = mt76x02_remove_interface,
133 .config = mt76x2_config,
134 .configure_filter = mt76x02_configure_filter,
135 .bss_info_changed = mt76x02_bss_info_changed,
136 .sta_state = mt76_sta_state,
137 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,
138 .set_key = mt76x02_set_key,
139 .conf_tx = mt76x02_conf_tx,
140 .sw_scan_start = mt76_sw_scan,
141 .sw_scan_complete = mt76x02_sw_scan_complete,
142 .flush = mt76x2_flush,
143 .ampdu_action = mt76x02_ampdu_action,
144 .get_txpower = mt76_get_txpower,
145 .wake_tx_queue = mt76_wake_tx_queue,
146 .sta_rate_tbl_update = mt76x02_sta_rate_tbl_update,
147 .release_buffered_frames = mt76_release_buffered_frames,
148 .set_coverage_class = mt76x02_set_coverage_class,
149 .get_survey = mt76_get_survey,
150 .set_tim = mt76_set_tim,
151 .set_antenna = mt76x2_set_antenna,
152 .get_antenna = mt76_get_antenna,
153 .set_rts_threshold = mt76x02_set_rts_threshold,
154 .reconfig_complete = mt76x02_reconfig_complete,
155 .set_sar_specs = mt76x2_set_sar_specs,
156 };
157
158