1 // SPDX-License-Identifier: ISC
2 /*
3 * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
4 */
5
6 #include "mt76x2u.h"
7 #include "../mt76x02_usb.h"
8
mt76x2u_start(struct ieee80211_hw * hw)9 static int mt76x2u_start(struct ieee80211_hw *hw)
10 {
11 struct mt76x02_dev *dev = hw->priv;
12 int ret;
13
14 ret = mt76x02u_mac_start(dev);
15 if (ret)
16 return ret;
17
18 ieee80211_queue_delayed_work(mt76_hw(dev), &dev->mphy.mac_work,
19 MT_MAC_WORK_INTERVAL);
20 set_bit(MT76_STATE_RUNNING, &dev->mphy.state);
21
22 return 0;
23 }
24
mt76x2u_stop(struct ieee80211_hw * hw,bool suspend)25 static void mt76x2u_stop(struct ieee80211_hw *hw, bool suspend)
26 {
27 struct mt76x02_dev *dev = hw->priv;
28
29 clear_bit(MT76_STATE_RUNNING, &dev->mphy.state);
30 mt76u_stop_tx(&dev->mt76);
31 mt76x2u_stop_hw(dev);
32 }
33
mt76x2u_set_channel(struct mt76_phy * mphy)34 int mt76x2u_set_channel(struct mt76_phy *mphy)
35 {
36 struct mt76x02_dev *dev = container_of(mphy->dev, struct mt76x02_dev, mt76);
37 int err;
38
39 mt76x02_pre_tbtt_enable(dev, false);
40 mt76x2_mac_stop(dev, false);
41
42 err = mt76x2u_phy_set_channel(dev, &mphy->chandef);
43
44 mt76x02_mac_cc_reset(dev);
45 mt76x2_mac_resume(dev);
46
47 mt76x02_pre_tbtt_enable(dev, true);
48
49 return err;
50 }
51
52 static int
mt76x2u_config(struct ieee80211_hw * hw,u32 changed)53 mt76x2u_config(struct ieee80211_hw *hw, u32 changed)
54 {
55 struct mt76x02_dev *dev = hw->priv;
56 int err = 0;
57
58 mutex_lock(&dev->mt76.mutex);
59
60 if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
61 if (!(hw->conf.flags & IEEE80211_CONF_MONITOR))
62 dev->mt76.rxfilter |= MT_RX_FILTR_CFG_PROMISC;
63 else
64 dev->mt76.rxfilter &= ~MT_RX_FILTR_CFG_PROMISC;
65 mt76_wr(dev, MT_RX_FILTR_CFG, dev->mt76.rxfilter);
66 }
67
68 if (changed & IEEE80211_CONF_CHANGE_POWER) {
69 struct mt76_phy *mphy = &dev->mphy;
70
71 dev->txpower_conf = hw->conf.power_level * 2;
72 dev->txpower_conf = mt76_get_sar_power(mphy,
73 mphy->chandef.chan,
74 dev->txpower_conf);
75 /* convert to per-chain power for 2x2 devices */
76 dev->txpower_conf -= 6;
77
78 if (test_bit(MT76_STATE_RUNNING, &mphy->state))
79 mt76x2_phy_set_txpower(dev);
80 }
81
82 mutex_unlock(&dev->mt76.mutex);
83
84 if (changed & IEEE80211_CONF_CHANGE_CHANNEL)
85 mt76_update_channel(&dev->mphy);
86
87 return err;
88 }
89
90 const struct ieee80211_ops mt76x2u_ops = {
91 .add_chanctx = ieee80211_emulate_add_chanctx,
92 .remove_chanctx = ieee80211_emulate_remove_chanctx,
93 .change_chanctx = ieee80211_emulate_change_chanctx,
94 .switch_vif_chanctx = ieee80211_emulate_switch_vif_chanctx,
95 .tx = mt76x02_tx,
96 .start = mt76x2u_start,
97 .stop = mt76x2u_stop,
98 .add_interface = mt76x02_add_interface,
99 .remove_interface = mt76x02_remove_interface,
100 .sta_state = mt76_sta_state,
101 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,
102 .set_key = mt76x02_set_key,
103 .ampdu_action = mt76x02_ampdu_action,
104 .config = mt76x2u_config,
105 .wake_tx_queue = mt76_wake_tx_queue,
106 .bss_info_changed = mt76x02_bss_info_changed,
107 .configure_filter = mt76x02_configure_filter,
108 .conf_tx = mt76x02_conf_tx,
109 .sw_scan_start = mt76_sw_scan,
110 .sw_scan_complete = mt76x02_sw_scan_complete,
111 .sta_rate_tbl_update = mt76x02_sta_rate_tbl_update,
112 .get_txpower = mt76_get_txpower,
113 .get_survey = mt76_get_survey,
114 .set_tim = mt76_set_tim,
115 .release_buffered_frames = mt76_release_buffered_frames,
116 .get_antenna = mt76_get_antenna,
117 .set_sar_specs = mt76x2_set_sar_specs,
118 };
119