pci_main.c

  1// SPDX-License-Identifier: BSD-3-Clause-Clear
  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, 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
 35int 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
 56static int
 57mt76x2_config(struct ieee80211_hw *hw, int radio_idx, 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
 96static void
 97mt76x2_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 98	     u32 queues, bool drop)
 99{
100}
101
102static int mt76x2_set_antenna(struct ieee80211_hw *hw, int radio_idx,
103			      u32 tx_ant, 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
123const 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