From: Ryder Lee <ryder.lee@mediatek.com>
To: Felix Fietkau <nbd@nbd.name>, <linux-wireless@vger.kernel.org>
Cc: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>,
Shayne Chen <shayne.chen@mediatek.com>,
Evelyn Tsai <evelyn.tsai@mediatek.com>,
<linux-mediatek@lists.infradead.org>,
Ryder Lee <ryder.lee@mediatek.com>
Subject: [PATCH 1/3] wifi: mt76: mt7915: add basedband Txpower info into debugfs
Date: Mon, 21 Nov 2022 03:51:28 +0800 [thread overview]
Message-ID: <c73db8d9bb03efe8cb403434aeedad25d958e258.1668973479.git.ryder.lee@mediatek.com> (raw)
This helps user to debug Txpower propagation path easily.
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
---
.../net/wireless/mediatek/mt76/mt7915/debugfs.c | 16 +++++++++++++---
drivers/net/wireless/mediatek/mt76/mt7915/regs.h | 3 +++
2 files changed, 16 insertions(+), 3 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
index 096cb8a4db3d..1244f5c4172b 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
@@ -967,11 +967,16 @@ 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;
+ int i, ret;
+
+ ret = mt7915_mcu_get_txpower_sku(phy, txpower, sizeof(txpower));
+ if (ret)
+ return ret;
+
+ 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 +987,11 @@ mt7915_rate_txpower_show(struct seq_file *file, void *data)
buf += mt7915_sku_group_len[i];
}
+ /* Txpower propagation path: TMAC -> TXV -> BBP */
+ seq_printf(file, "\nBaseband transmit power %ld\n",
+ mt76_get_field(dev, MT_WF_PHY_TPC_CTRL_STAT(phy->band_idx),
+ MT_WF_PHY_TPC_POWER));
+
return 0;
}
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/regs.h b/drivers/net/wireless/mediatek/mt76/mt7915/regs.h
index 0c61f1256f3b..00fc31cb7e82 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/regs.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/regs.h
@@ -1179,6 +1179,9 @@ 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_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)
--
2.36.1
next reply other threads:[~2022-11-20 20:02 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-20 19:51 Ryder Lee [this message]
2022-11-20 19:51 ` [PATCH 2/3] wifi: mt76: mt7915: enable .sta_set_txpwr support Ryder Lee
2022-11-20 21:21 ` Lorenzo Bianconi
2022-11-21 1:14 ` Ryder Lee
2022-11-20 19:51 ` [PATCH 3/3] wifi: mt76: mt7915: fix band_idx usage Ryder Lee
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