From: Hao Zhang <hao.zhang@xxxxxxxxxxxx>
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@xxxxxxxxxxxx>
Co-developed-by: Quan Zhou <quan.zhou@xxxxxxxxxxxx>
Signed-off-by: Quan Zhou <quan.zhou@xxxxxxxxxxxx>
---
v2:
fix to avoid wake device when Hardware interface not pcie
---
.../wireless/mediatek/mt76/mt76_connac_mcu.h | 1 +
.../net/wireless/mediatek/mt76/mt7921/main.c | 27 ++++++++++++++++++-
.../net/wireless/mediatek/mt76/mt7921/mcu.c | 14 ++++++++++
.../wireless/mediatek/mt76/mt7921/mt7921.h | 5 ++++
.../net/wireless/mediatek/mt76/mt7921/pci.c | 8 +++++-
5 files changed, 53 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
index 836cc4d5b1d2..4c2de556dee1 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
@@ -1189,6 +1189,7 @@ 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,
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/main.c b/drivers/net/wireless/mediatek/mt76/mt7921/main.c
index ca36de34171b..ea6a113b7b36 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/main.c
@@ -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)
{
@@ -1372,7 +1397,7 @@ 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,
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
index 8b4ce32a2cd1..2ebf0ffe78d5 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
@@ -606,6 +606,20 @@ 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;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
index 3016636d18c6..07023eb9e5b5 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
@@ -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)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/pci.c b/drivers/net/wireless/mediatek/mt76/mt7921/pci.c
index 0b69b225bc16..f768e9389ac6 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/pci.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/pci.c
@@ -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;
--
2.18.0
