drivers/net/wireless/mediatek/mt76/mt76x2/pci_main.c

Source file repositories/reference/linux-study-clean/drivers/net/wireless/mediatek/mt76/mt76x2/pci_main.c

File Facts

System
Linux kernel
Corpus path
drivers/net/wireless/mediatek/mt76/mt76x2/pci_main.c
Extension
.c
Size
4100 bytes
Lines
158
Domain
Driver Families
Bucket
drivers/net
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state)) {
			mt76x2_phy_set_txpower(dev);
			mt76x02_tx_set_txpwr_auto(dev, dev->txpower_conf);
		}
	}

	mutex_unlock(&dev->mt76.mutex);

	if (changed & IEEE80211_CONF_CHANGE_CHANNEL)
		mt76_update_channel(&dev->mphy);

	return 0;
}

static void
mt76x2_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
	     u32 queues, bool drop)
{
}

static int mt76x2_set_antenna(struct ieee80211_hw *hw, int radio_idx,
			      u32 tx_ant, u32 rx_ant)
{
	struct mt76x02_dev *dev = hw->priv;

	if (!tx_ant || tx_ant > 3 || tx_ant != rx_ant)
		return -EINVAL;

	mutex_lock(&dev->mt76.mutex);

	dev->mphy.chainmask = (tx_ant == 3) ? 0x202 : 0x101;
	dev->mphy.antenna_mask = tx_ant;

	mt76_set_stream_caps(&dev->mphy, true);
	mt76x2_phy_set_antenna(dev);

	mutex_unlock(&dev->mt76.mutex);

	return 0;
}

const struct ieee80211_ops mt76x2_ops = {
	.add_chanctx = ieee80211_emulate_add_chanctx,
	.remove_chanctx = ieee80211_emulate_remove_chanctx,
	.change_chanctx = ieee80211_emulate_change_chanctx,
	.switch_vif_chanctx = ieee80211_emulate_switch_vif_chanctx,
	.tx = mt76x02_tx,
	.start = mt76x2_start,
	.stop = mt76x2_stop,
	.add_interface = mt76x02_add_interface,
	.remove_interface = mt76x02_remove_interface,
	.config = mt76x2_config,
	.configure_filter = mt76x02_configure_filter,
	.bss_info_changed = mt76x02_bss_info_changed,
	.sta_state = mt76_sta_state,
	.sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,
	.set_key = mt76x02_set_key,
	.conf_tx = mt76x02_conf_tx,
	.sw_scan_start = mt76_sw_scan,
	.sw_scan_complete = mt76x02_sw_scan_complete,
	.flush = mt76x2_flush,
	.ampdu_action = mt76x02_ampdu_action,
	.get_txpower = mt76_get_txpower,
	.wake_tx_queue = mt76_wake_tx_queue,
	.sta_rate_tbl_update = mt76x02_sta_rate_tbl_update,
	.release_buffered_frames = mt76_release_buffered_frames,
	.set_coverage_class = mt76x02_set_coverage_class,
	.get_survey = mt76_get_survey,
	.set_tim = mt76_set_tim,
	.set_antenna = mt76x2_set_antenna,
	.get_antenna = mt76_get_antenna,
	.set_rts_threshold = mt76x02_set_rts_threshold,
	.reconfig_complete = mt76x02_reconfig_complete,
	.set_sar_specs = mt76x2_set_sar_specs,
};

Annotation

Implementation Notes