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
9static int
10mt76x2_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
26static void
27mt76x2_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
35static void
36mt76x2_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
64static int
65mt76x2_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		struct mt76_phy *mphy = &dev->mphy;
82
83		dev->txpower_conf = hw->conf.power_level * 2;
84		dev->txpower_conf = mt76_get_sar_power(mphy,
85						       mphy->chandef.chan,
86						       dev->txpower_conf);
87		/* convert to per-chain power for 2x2 devices */
88		dev->txpower_conf -= 6;
89
90		if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state)) {
91			mt76x2_phy_set_txpower(dev);
92			mt76x02_tx_set_txpwr_auto(dev, dev->txpower_conf);
93		}
94	}
95
96	mutex_unlock(&dev->mt76.mutex);
97
98	if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
99		ieee80211_stop_queues(hw);
100		mt76x2_set_channel(dev, &hw->conf.chandef);
101		ieee80211_wake_queues(hw);
102	}
103
104	return 0;
105}
106
107static void
108mt76x2_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
109	     u32 queues, bool drop)
110{
111}
112
113static int mt76x2_set_antenna(struct ieee80211_hw *hw, u32 tx_ant,
114			      u32 rx_ant)
115{
116	struct mt76x02_dev *dev = hw->priv;
117
118	if (!tx_ant || tx_ant > 3 || tx_ant != rx_ant)
119		return -EINVAL;
120
121	mutex_lock(&dev->mt76.mutex);
122
123	dev->mphy.chainmask = (tx_ant == 3) ? 0x202 : 0x101;
124	dev->mphy.antenna_mask = tx_ant;
125
126	mt76_set_stream_caps(&dev->mphy, true);
127	mt76x2_phy_set_antenna(dev);
128
129	mutex_unlock(&dev->mt76.mutex);
130
131	return 0;
132}
133
134const struct ieee80211_ops mt76x2_ops = {
135	.add_chanctx = ieee80211_emulate_add_chanctx,
136	.remove_chanctx = ieee80211_emulate_remove_chanctx,
137	.change_chanctx = ieee80211_emulate_change_chanctx,
138	.switch_vif_chanctx = ieee80211_emulate_switch_vif_chanctx,
139	.tx = mt76x02_tx,
140	.start = mt76x2_start,
141	.stop = mt76x2_stop,
142	.add_interface = mt76x02_add_interface,
143	.remove_interface = mt76x02_remove_interface,
144	.config = mt76x2_config,
145	.configure_filter = mt76x02_configure_filter,
146	.bss_info_changed = mt76x02_bss_info_changed,
147	.sta_state = mt76_sta_state,
148	.sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,
149	.set_key = mt76x02_set_key,
150	.conf_tx = mt76x02_conf_tx,
151	.sw_scan_start = mt76_sw_scan,
152	.sw_scan_complete = mt76x02_sw_scan_complete,
153	.flush = mt76x2_flush,
154	.ampdu_action = mt76x02_ampdu_action,
155	.get_txpower = mt76_get_txpower,
156	.wake_tx_queue = mt76_wake_tx_queue,
157	.sta_rate_tbl_update = mt76x02_sta_rate_tbl_update,
158	.release_buffered_frames = mt76_release_buffered_frames,
159	.set_coverage_class = mt76x02_set_coverage_class,
160	.get_survey = mt76_get_survey,
161	.set_tim = mt76_set_tim,
162	.set_antenna = mt76x2_set_antenna,
163	.get_antenna = mt76_get_antenna,
164	.set_rts_threshold = mt76x02_set_rts_threshold,
165	.reconfig_complete = mt76x02_reconfig_complete,
166	.set_sar_specs = mt76x2_set_sar_specs,
167};
168
169