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mt76: mt7921: add MCU support

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MT7921 contains a microprocessor with which the host can use command/event
to communicate to implement offload features such as establish connection,
hardware scan and so on. The host has to download the ROM patch, RAM
firmware and finally activate the MCU to complete the MT7921
initialization.

Co-developed-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Co-developed-by: Soul Huang <Soul.Huang@mediatek.com>
Signed-off-by: Soul Huang <Soul.Huang@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Sean Wang 2021-01-28 03:33:39 +08:00 committed by Felix Fietkau
parent 163f4d22c1
commit 1c099ab447
4 changed files with 3462 additions and 0 deletions
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28
drivers/net/wireless/mediatek/mt76/mt7921/mac.c
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@ -1338,6 +1338,30 @@ mt7921_mac_update_mib_stats(struct mt7921_phy *phy)
}
}
static void
mt7921_mac_sta_stats_work(struct mt7921_phy *phy)
{
struct mt7921_dev *dev = phy->dev;
struct mt7921_sta *msta;
LIST_HEAD(list);
spin_lock_bh(&dev->sta_poll_lock);
list_splice_init(&phy->stats_list, &list);
while (!list_empty(&list)) {
msta = list_first_entry(&list, struct mt7921_sta, stats_list);
list_del_init(&msta->stats_list);
spin_unlock_bh(&dev->sta_poll_lock);
/* query wtbl info to report tx rate for further devices */
mt7921_get_wtbl_info(dev, msta->wcid.idx);
spin_lock_bh(&dev->sta_poll_lock);
}
spin_unlock_bh(&dev->sta_poll_lock);
}
void mt7921_mac_work(struct work_struct *work)
{
struct mt7921_phy *phy;
@ -1355,6 +1379,10 @@ void mt7921_mac_work(struct work_struct *work)
mt7921_mac_update_mib_stats(phy);
}
if (++phy->sta_work_count == 10) {
phy->sta_work_count = 0;
mt7921_mac_sta_stats_work(phy);
};
mutex_unlock(&mphy->dev->mutex);

2382
drivers/net/wireless/mediatek/mt76/mt7921/mcu.c Normal file
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File diff suppressed because it is too large Load Diff

1050
drivers/net/wireless/mediatek/mt76/mt7921/mcu.h Normal file
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File diff suppressed because it is too large Load Diff

2
drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
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@ -130,6 +130,8 @@ struct mt7921_phy {
struct mib_stats mib;
struct list_head stats_list;
u8 sta_work_count;
struct sk_buff_head scan_event_list;
struct delayed_work scan_work;
};