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From:   Bo Jiao <bo.jiao@mediatek.com>
To:     Felix Fietkau <nbd@nbd.name>
CC:     linux-wireless <linux-wireless@vger.kernel.org>,
        Ryder Lee <ryder.lee@mediatek.com>,
        Sujuan Chen <sujuan.chen@mediatek.com>,
        "lian . chen" <lian.chen@mediatek.com>,
        Shayne Chen <shayne.chen@mediatek.com>,
        Evelyn Tsai <evelyn.tsai@mediatek.com>,
        linux-mediatek <linux-mediatek@lists.infradead.org>,
        Bo Jiao <Bo.Jiao@mediatek.com>
Subject: [PATCH] mt76: mt7915: dump SER stats through debugfs
Date:   Wed, 20 Apr 2022 17:04:33 +0800
Message-ID: <20220420090433.20003-1-bo.jiao@mediatek.com>
MIME-Version: 1.0
Content-Type: text/plain
Precedence: bulk

From: Ryder Lee <ryder.lee@mediatek.com>

Grab status of system recovery from firmware.

Signed-off-by: Bo Jiao <Bo.Jiao@mediatek.com>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
---
 .../wireless/mediatek/mt76/mt7915/debugfs.c   | 48 +++++++++++++++++--
 .../net/wireless/mediatek/mt76/mt7915/mcu.c   |  5 +-
 .../net/wireless/mediatek/mt76/mt7915/mmio.c  |  3 ++
 .../net/wireless/mediatek/mt76/mt7915/regs.h  | 18 ++++++-
 4 files changed, 64 insertions(+), 10 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
index dece0a6..76a6570 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
@@ -45,7 +45,7 @@ DEFINE_DEBUGFS_ATTRIBUTE(fops_implicit_txbf, mt7915_implicit_txbf_get,
 			 mt7915_implicit_txbf_set, "%lld\n");
 
 /* test knob of system layer 1/2 error recovery */
-static int mt7915_ser_trigger_set(void *data, u64 val)
+static int mt7915_fw_ser_set(void *data, u64 val)
 {
 	enum {
 		SER_SET_RECOVER_L1 = 1,
@@ -71,8 +71,47 @@ static int mt7915_ser_trigger_set(void *data, u64 val)
 	return ret;
 }
 
-DEFINE_DEBUGFS_ATTRIBUTE(fops_ser_trigger, NULL,
-			 mt7915_ser_trigger_set, "%lld\n");
+DEFINE_DEBUGFS_ATTRIBUTE(fops_fw_ser, NULL,
+			 mt7915_fw_ser_set, "%lld\n");
+
+static int
+mt7915_fw_ser_stats_show(struct seq_file *s, void *data)
+{
+	struct mt7915_dev *dev = s->private;
+	int ret;
+
+	/* grab firmware SER stats */
+	ret = mt7915_mcu_set_ser(dev, 0, 0, 0);
+	if (ret)
+		return ret;
+
+	msleep(100);
+
+	seq_printf(s, "::E  R , SER_STATUS        = 0x%08x\n",
+		   MT_SWDEF_SER_STATS);
+	seq_printf(s, "::E  R , SER_PLE_ERR       = 0x%08x\n",
+		   MT_SWDEF_PLE_STATS);
+	seq_printf(s, "::E  R , SER_PLE_ERR_1     = 0x%08x\n",
+		   MT_SWDEF_PLE1_STATS);
+	seq_printf(s, "::E  R , SER_PLE_ERR_AMSDU = 0x%08x\n",
+		   MT_SWDEF_PLE_AMSDU_STATS);
+	seq_printf(s, "::E  R , SER_PSE_ERR       = 0x%08x\n",
+		   MT_SWDEF_PSE_STATS);
+	seq_printf(s, "::E  R , SER_PSE_ERR_1     = 0x%08x\n",
+		   MT_SWDEF_PSE1_STATS);
+	seq_printf(s, "::E  R , SER_LMAC_WISR6_B0 = 0x%08x\n",
+		   MT_SWDEF_LAMC_WISR6_BN0_STATS);
+	seq_printf(s, "::E  R , SER_LMAC_WISR6_B1 = 0x%08x\n",
+		   MT_SWDEF_LAMC_WISR6_BN1_STATS);
+	seq_printf(s, "::E  R , SER_LMAC_WISR7_B0 = 0x%08x\n",
+		   MT_SWDEF_LAMC_WISR7_BN0_STATS);
+	seq_printf(s, "::E  R , SER_LMAC_WISR7_B1 = 0x%08x\n",
+		   MT_SWDEF_LAMC_WISR7_BN1_STATS);
+
+	return 0;
+}
+
+DEFINE_SHOW_ATTRIBUTE(mt7915_fw_ser_stats);
 
 static int
 mt7915_radar_trigger(void *data, u64 val)
@@ -884,6 +923,8 @@ int mt7915_init_debugfs(struct mt7915_phy *phy)
 	debugfs_create_file("xmit-queues", 0400, dir, phy,
 			    &mt7915_xmit_queues_fops);
 	debugfs_create_file("tx_stats", 0400, dir, phy, &mt7915_tx_stats_fops);
+	debugfs_create_file("fw_ser", 0200, dir, dev, &fops_fw_ser);
+	debugfs_create_file("fw_ser_stats", 0400, dir, dev, &mt7915_fw_ser_stats_fops);
 	debugfs_create_file("fw_debug_wm", 0600, dir, dev, &fops_fw_debug_wm);
 	debugfs_create_file("fw_debug_wa", 0600, dir, dev, &fops_fw_debug_wa);
 	debugfs_create_file("fw_debug_bin", 0600, dir, dev, &fops_fw_debug_bin);
@@ -897,7 +938,6 @@ int mt7915_init_debugfs(struct mt7915_phy *phy)
 			    &mt7915_rate_txpower_fops);
 	debugfs_create_devm_seqfile(dev->mt76.dev, "twt_stats", dir,
 				    mt7915_twt_stats);
-	debugfs_create_file("ser_trigger", 0200, dir, dev, &fops_ser_trigger);
 	if (!dev->dbdc_support || phy->band_idx) {
 		debugfs_create_u32("dfs_hw_pattern", 0400, dir,
 				   &dev->hw_pattern);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
index ee2956c..d4af707 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
@@ -2471,10 +2471,7 @@ int mt7915_mcu_init(struct mt7915_dev *dev)
 	/* force firmware operation mode into normal state,
 	 * which should be set before firmware download stage.
 	 */
-	if (is_mt7915(&dev->mt76))
-		mt76_wr(dev, MT_SWDEF_MODE, MT_SWDEF_NORMAL_MODE);
-	else
-		mt76_wr(dev, MT_SWDEF_MODE_MT7916, MT_SWDEF_NORMAL_MODE);
+	mt76_wr(dev, MT_SWDEF_MODE, MT_SWDEF_NORMAL_MODE);
 
 	ret = mt7915_driver_own(dev, 0);
 	if (ret)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c b/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c
index 89ea285..cd4dfd2 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c
@@ -22,6 +22,7 @@ static const u32 mt7915_reg[] = {
 	[WFDMA_EXT_CSR_ADDR]	= 0xd7000,
 	[CBTOP1_PHY_END]	= 0x77ffffff,
 	[INFRA_MCU_ADDR_END]	= 0x7c3fffff,
+	[SWDEF_BASE_ADDR]	= 0x41f200,
 };
 
 static const u32 mt7916_reg[] = {
@@ -36,6 +37,7 @@ static const u32 mt7916_reg[] = {
 	[WFDMA_EXT_CSR_ADDR]	= 0xd7000,
 	[CBTOP1_PHY_END]	= 0x7fffffff,
 	[INFRA_MCU_ADDR_END]	= 0x7c085fff,
+	[SWDEF_BASE_ADDR]	= 0x411400,
 };
 
 static const u32 mt7986_reg[] = {
@@ -50,6 +52,7 @@ static const u32 mt7986_reg[] = {
 	[WFDMA_EXT_CSR_ADDR]	= 0x27000,
 	[CBTOP1_PHY_END]	= 0x7fffffff,
 	[INFRA_MCU_ADDR_END]	= 0x7c085fff,
+	[SWDEF_BASE_ADDR]	= 0x411400,
 };
 
 static const u32 mt7915_offs[] = {
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/regs.h b/drivers/net/wireless/mediatek/mt76/mt7915/regs.h
index bb0dec8..8e77c28 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/regs.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/regs.h
@@ -30,6 +30,7 @@ enum reg_rev {
 	WFDMA_EXT_CSR_ADDR,
 	CBTOP1_PHY_END,
 	INFRA_MCU_ADDR_END,
+	SWDEF_BASE_ADDR,
 	__MT_REG_MAX,
 };
 
@@ -929,12 +930,25 @@ enum offs_rev {
 #define MT_ADIE_TYPE_MASK		BIT(1)
 
 /* FW MODE SYNC */
-#define MT_SWDEF_MODE			0x41f23c
-#define MT_SWDEF_MODE_MT7916		0x41143c
+#define MT_SWDEF_BASE			__REG(SWDEF_BASE_ADDR)
+
+#define MT_SWDEF(ofs)			(MT_SWDEF_BASE + (ofs))
+#define MT_SWDEF_MODE			MT_SWDEF(0x3c)
 #define MT_SWDEF_NORMAL_MODE		0
 #define MT_SWDEF_ICAP_MODE		1
 #define MT_SWDEF_SPECTRUM_MODE		2
 
+#define MT_SWDEF_SER_STATS		MT_SWDEF(0x040)
+#define MT_SWDEF_PLE_STATS		MT_SWDEF(0x044)
+#define MT_SWDEF_PLE1_STATS		MT_SWDEF(0x048)
+#define MT_SWDEF_PLE_AMSDU_STATS	MT_SWDEF(0x04C)
+#define MT_SWDEF_PSE_STATS		MT_SWDEF(0x050)
+#define MT_SWDEF_PSE1_STATS		MT_SWDEF(0x054)
+#define MT_SWDEF_LAMC_WISR6_BN0_STATS	MT_SWDEF(0x058)
+#define MT_SWDEF_LAMC_WISR6_BN1_STATS	MT_SWDEF(0x05C)
+#define MT_SWDEF_LAMC_WISR7_BN0_STATS	MT_SWDEF(0x060)
+#define MT_SWDEF_LAMC_WISR7_BN1_STATS	MT_SWDEF(0x064)
+
 #define MT_DIC_CMD_REG_BASE		0x41f000
 #define MT_DIC_CMD_REG(ofs)		(MT_DIC_CMD_REG_BASE + (ofs))
 #define MT_DIC_CMD_REG_CMD		MT_DIC_CMD_REG(0x10)
-- 
2.18.0