drivers/net/wireless/mediatek/mt76/mt76x2/eeprom.h

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

File Facts

System
Linux kernel
Corpus path
drivers/net/wireless/mediatek/mt76/mt76x2/eeprom.h
Extension
.h
Size
1852 bytes
Lines
84
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

struct mt76x2_tx_power_info {
	u8 target_power;

	s8 delta_bw40;
	s8 delta_bw80;

	struct {
		s8 tssi_slope;
		s8 tssi_offset;
		s8 target_power;
		s8 delta;
	} chain[MT_MAX_CHAINS];
};

struct mt76x2_temp_comp {
	u8 temp_25_ref;
	int lower_bound; /* J */
	int upper_bound; /* J */
	unsigned int high_slope; /* J / dB */
	unsigned int low_slope; /* J / dB */
};

void mt76x2_get_rate_power(struct mt76x02_dev *dev, struct mt76x02_rate_power *t,
			   struct ieee80211_channel *chan);
void mt76x2_get_power_info(struct mt76x02_dev *dev,
			   struct mt76x2_tx_power_info *t,
			   struct ieee80211_channel *chan);
int mt76x2_get_temp_comp(struct mt76x02_dev *dev, struct mt76x2_temp_comp *t);
void mt76x2_read_rx_gain(struct mt76x02_dev *dev);

static inline bool
mt76x2_has_ext_lna(struct mt76x02_dev *dev)
{
	u32 val = mt76x02_eeprom_get(dev, MT_EE_NIC_CONF_1);

	if (dev->mphy.chandef.chan->band == NL80211_BAND_2GHZ)
		return val & MT_EE_NIC_CONF_1_LNA_EXT_2G;
	else
		return val & MT_EE_NIC_CONF_1_LNA_EXT_5G;
}

static inline bool
mt76x2_temp_tx_alc_enabled(struct mt76x02_dev *dev)
{
	u16 val;

	val = mt76x02_eeprom_get(dev, MT_EE_TX_POWER_EXT_PA_5G);
	if (!(val & BIT(15)))
		return false;

	return mt76x02_eeprom_get(dev, MT_EE_NIC_CONF_1) &
	       MT_EE_NIC_CONF_1_TEMP_TX_ALC;
}

static inline bool
mt76x2_tssi_enabled(struct mt76x02_dev *dev)
{
	return !mt76x2_temp_tx_alc_enabled(dev) &&
	       (mt76x02_eeprom_get(dev, MT_EE_NIC_CONF_1) &
		MT_EE_NIC_CONF_1_TX_ALC_EN);
}

#endif

Annotation

Implementation Notes