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wifi: mt76: mt7921e: add LED control support

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Introduce wifi LED switch control, add flow to Control a wifi
gpio pin based on the status of WIFI radio, if the pin is connected
to an LED, the LED will indicate the status of the WiFi radio.

Signed-off-by: Hao Zhang <hao.zhang@mediatek.com>
Co-developed-by: Quan Zhou <quan.zhou@mediatek.com>
Signed-off-by: Quan Zhou <quan.zhou@mediatek.com>
Acked-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Hao Zhang
2024-04-11 13:41:35 +08:00
committed by Felix Fietkau
parent 2706c5c7c9
commit 06777c8fdd
5 changed files with 53 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
View File

@@ -1190,6 +1190,7 @@ enum {
MCU_EXT_CMD_EFUSE_ACCESS = 0x01,
MCU_EXT_CMD_RF_REG_ACCESS = 0x02,
MCU_EXT_CMD_RF_TEST = 0x04,
MCU_EXT_CMD_ID_RADIO_ON_OFF_CTRL = 0x05,
MCU_EXT_CMD_PM_STATE_CTRL = 0x07,
MCU_EXT_CMD_CHANNEL_SWITCH = 0x08,
MCU_EXT_CMD_SET_TX_POWER_CTRL = 0x11,

27
drivers/net/wireless/mediatek/mt76/mt7921/main.c
View File

@@ -242,6 +242,15 @@ int __mt7921_start(struct mt792x_phy *phy)
ieee80211_queue_delayed_work(mphy->hw, &mphy->mac_work,
MT792x_WATCHDOG_TIME);
if (mt76_is_mmio(mphy->dev)) {
err = mt7921_mcu_radio_led_ctrl(phy->dev, EXT_CMD_RADIO_LED_CTRL_ENABLE);
if (err)
return err;
err = mt7921_mcu_radio_led_ctrl(phy->dev, EXT_CMD_RADIO_ON_LED);
if (err)
return err;
}
return 0;
}
@@ -259,6 +268,22 @@ static int mt7921_start(struct ieee80211_hw *hw)
return err;
}
static void mt7921_stop(struct ieee80211_hw *hw)
{
struct mt792x_dev *dev = mt792x_hw_dev(hw);
int err = 0;
if (mt76_is_mmio(&dev->mt76)) {
mt792x_mutex_acquire(dev);
err = mt7921_mcu_radio_led_ctrl(dev, EXT_CMD_RADIO_OFF_LED);
mt792x_mutex_release(dev);
if (err)
return;
}
mt792x_stop(hw);
}
static int
mt7921_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
{
@@ -1377,7 +1402,7 @@ static void mt7921_mgd_complete_tx(struct ieee80211_hw *hw,
const struct ieee80211_ops mt7921_ops = {
.tx = mt792x_tx,
.start = mt7921_start,
.stop = mt792x_stop,
.stop = mt7921_stop,
.add_interface = mt7921_add_interface,
.remove_interface = mt792x_remove_interface,
.config = mt7921_config,

14
drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
View File

@@ -646,6 +646,20 @@ int mt7921_run_firmware(struct mt792x_dev *dev)
}
EXPORT_SYMBOL_GPL(mt7921_run_firmware);
int mt7921_mcu_radio_led_ctrl(struct mt792x_dev *dev, u8 value)
{
struct {
u8 ctrlid;
u8 rsv[3];
} __packed req = {
.ctrlid = value,
};
return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(ID_RADIO_ON_OFF_CTRL),
&req, sizeof(req), false);
}
EXPORT_SYMBOL_GPL(mt7921_mcu_radio_led_ctrl);
int mt7921_mcu_set_tx(struct mt792x_dev *dev, struct ieee80211_vif *vif)
{
struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;

5
drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
View File

@@ -27,6 +27,10 @@
#define MCU_UNI_EVENT_ROC 0x27
#define MCU_UNI_EVENT_CLC 0x80
#define EXT_CMD_RADIO_LED_CTRL_ENABLE 0x1
#define EXT_CMD_RADIO_ON_LED 0x2
#define EXT_CMD_RADIO_OFF_LED 0x3
enum {
UNI_ROC_ACQUIRE,
UNI_ROC_ABORT,
@@ -196,6 +200,7 @@ int mt7921_mcu_fw_log_2_host(struct mt792x_dev *dev, u8 ctrl);
void mt7921_mcu_rx_event(struct mt792x_dev *dev, struct sk_buff *skb);
int mt7921_mcu_set_rxfilter(struct mt792x_dev *dev, u32 fif,
u8 bit_op, u32 bit_map);
int mt7921_mcu_radio_led_ctrl(struct mt792x_dev *dev, u8 value);
static inline u32
mt7921_reg_map_l1(struct mt792x_dev *dev, u32 addr)

8
drivers/net/wireless/mediatek/mt76/mt7921/pci.c
View File

@@ -427,6 +427,10 @@ static int mt7921_pci_suspend(struct device *device)
wait_event_timeout(dev->wait,
!dev->regd_in_progress, 5 * HZ);
err = mt7921_mcu_radio_led_ctrl(dev, EXT_CMD_RADIO_OFF_LED);
if (err < 0)
goto restore_suspend;
err = mt76_connac_mcu_set_hif_suspend(mdev, true);
if (err)
goto restore_suspend;
@@ -525,9 +529,11 @@ static int mt7921_pci_resume(struct device *device)
mt76_connac_mcu_set_deep_sleep(&dev->mt76, false);
err = mt76_connac_mcu_set_hif_suspend(mdev, false);
if (err < 0)
goto failed;
mt7921_regd_update(dev);
err = mt7921_mcu_radio_led_ctrl(dev, EXT_CMD_RADIO_ON_LED);
failed:
pm->suspended = false;