Commit bd2404d4 authored by Ryder Lee's avatar Ryder Lee Committed by Felix Fietkau
Browse files

wifi: mt76: mt7915: add basedband Txpower info into debugfs 



This helps user to debug Txpower propagation path easily.

Signed-off-by: default avatarRyder Lee <ryder.lee@mediatek.com>
Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
parent 3dc00ecf

drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c

+16 −3
Original line number Diff line number Diff line
@@ -967,11 +967,18 @@ mt7915_rate_txpower_show(struct seq_file *file, void *data) 
		"RU484/SU40", "RU996/SU80", "RU2x996/SU160"

	};

	struct mt7915_phy *phy = file->private;

	struct mt7915_dev *dev = phy->dev;

	s8 txpower[MT7915_SKU_RATE_NUM], *buf;

	int i;

	u32 reg;

	int i, ret;



	ret = mt7915_mcu_get_txpower_sku(phy, txpower, sizeof(txpower));

	if (ret)

		return ret;



	/* Txpower propagation path: TMAC -> TXV -> BBP */

	seq_printf(file, "\nPhy %d\n", phy != &dev->phy);



	seq_printf(file, "\nBand %d\n", phy != &phy->dev->phy);

	mt7915_mcu_get_txpower_sku(phy, txpower, sizeof(txpower));

	for (i = 0, buf = txpower; i < ARRAY_SIZE(mt7915_sku_group_len); i++) {

		u8 mcs_num = mt7915_sku_group_len[i];
@@ -982,6 +989,12 @@ mt7915_rate_txpower_show(struct seq_file *file, void *data) 
		buf += mt7915_sku_group_len[i];

	}



	reg = is_mt7915(&dev->mt76) ? MT_WF_PHY_TPC_CTRL_STAT(phy->band_idx) :

	      MT_WF_PHY_TPC_CTRL_STAT_MT7916(phy->band_idx);



	seq_printf(file, "\nBaseband transmit power %ld\n",

		   mt76_get_field(dev, reg, MT_WF_PHY_TPC_POWER));



	return 0;

}

drivers/net/wireless/mediatek/mt76/mt7915/regs.h

+4 −0
Original line number Diff line number Diff line
@@ -1186,6 +1186,10 @@ enum offs_rev { 
#define MT_WF_PHY_RXTD12_IRPI_SW_CLR_ONLY	BIT(18)

#define MT_WF_PHY_RXTD12_IRPI_SW_CLR		BIT(29)



#define MT_WF_PHY_TPC_CTRL_STAT(_phy)		MT_WF_PHY(0xe7a0 + ((_phy) << 16))

#define MT_WF_PHY_TPC_CTRL_STAT_MT7916(_phy)	MT_WF_PHY(0xe7a0 + ((_phy) << 20))

#define MT_WF_PHY_TPC_POWER			GENMASK(15, 8)



#define MT_MCU_WM_CIRQ_BASE			0x89010000

#define MT_MCU_WM_CIRQ(ofs)			(MT_MCU_WM_CIRQ_BASE + (ofs))

#define MT_MCU_WM_CIRQ_IRQ_MASK_CLR_ADDR	MT_MCU_WM_CIRQ(0x80)