recipes-wifi/linux-mt76/files/patches-3.x/0084-mtk-mt76-mt7996-support-thermal-recal-debug-command.patch

From 857348ab99cd5ba83f73c4da02c70f2004b6f10b Mon Sep 17 00:00:00 2001
From: Howard Hsu <howard-yh.hsu@mediatek.com>
Date: Thu, 4 Jan 2024 19:53:37 +0800
Subject: [PATCH 084/199] mtk: mt76: mt7996: support thermal recal debug
 command

Add support thermal recal debug command.

Usage:
$ echo val > debugfs/thermal_recal

The val can be the following values:
0 = disable
1 = enable
2 = manual trigger

Signed-off-by: Howard Hsu <howard-yh.hsu@mediatek.com>
---
 mt76_connac_mcu.h    |  1 +
 mt7996/mt7996.h      |  1 +
 mt7996/mtk_debugfs.c | 17 +++++++++++++++++
 mt7996/mtk_mcu.c     | 21 +++++++++++++++++++++
 4 files changed, 40 insertions(+)

diff --git a/mt76_connac_mcu.h b/mt76_connac_mcu.h
index c8eedf36..1589a716 100644
--- a/mt76_connac_mcu.h
+++ b/mt76_connac_mcu.h
@@ -1297,6 +1297,7 @@ enum {
 	MCU_UNI_CMD_TESTMODE_TRX_PARAM = 0x42,
 	MCU_UNI_CMD_TESTMODE_CTRL = 0x46,
 	MCU_UNI_CMD_PRECAL_RESULT = 0x47,
+	MCU_UNI_CMD_THERMAL_CAL = 0x4c,
 	MCU_UNI_CMD_RRO = 0x57,
 	MCU_UNI_CMD_OFFCH_SCAN_CTRL = 0x58,
 	MCU_UNI_CMD_PER_STA_INFO = 0x6d,
diff --git a/mt7996/mt7996.h b/mt7996/mt7996.h
index 6e96194b..0e6b7595 100644
--- a/mt7996/mt7996.h
+++ b/mt7996/mt7996.h
@@ -1033,6 +1033,7 @@ void mt7996_mcu_set_cert(struct mt7996_phy *phy, u8 type);
 void mt7996_tm_update_channel(struct mt7996_phy *phy);
 
 int mt7996_mcu_set_vow_drr_dbg(struct mt7996_dev *dev, u32 val);
+int mt7996_mcu_thermal_debug(struct mt7996_dev *dev, u8 mode, u8 action);
 #endif
 
 #ifdef CONFIG_NET_MEDIATEK_SOC_WED
diff --git a/mt7996/mtk_debugfs.c b/mt7996/mtk_debugfs.c
index 66ab74d2..cc1224ed 100644
--- a/mt7996/mtk_debugfs.c
+++ b/mt7996/mtk_debugfs.c
@@ -3171,6 +3171,22 @@ out:
 DEFINE_DEBUGFS_ATTRIBUTE(fops_thermal_enable, mt7996_thermal_enable_get,
 			 mt7996_thermal_enable_set, "%lld\n");
 
+static int
+mt7996_thermal_recal_set(void *data, u64 val)
+{
+#define THERMAL_DEBUG_OPERATION_MANUAL_TRIGGER 2
+#define THERMAL_DEBUG_MODE_RECAL 1
+	struct mt7996_dev *dev = data;
+
+	if (val > THERMAL_DEBUG_OPERATION_MANUAL_TRIGGER)
+		return -EINVAL;
+
+	return mt7996_mcu_thermal_debug(dev, THERMAL_DEBUG_MODE_RECAL, val);
+}
+
+DEFINE_DEBUGFS_ATTRIBUTE(fops_thermal_recal, NULL,
+			 mt7996_thermal_recal_set, "%llu\n");
+
 int mt7996_mtk_init_debugfs(struct mt7996_phy *phy, struct dentry *dir)
 {
 	struct mt7996_dev *dev = phy->dev;
@@ -3278,6 +3294,7 @@ int mt7996_mtk_init_debugfs(struct mt7996_phy *phy, struct dentry *dir)
 	}
 
 	debugfs_create_file("thermal_enable", 0600, dir, phy, &fops_thermal_enable);
+	debugfs_create_file("thermal_recal", 0200, dir, dev, &fops_thermal_recal);
 
 	return 0;
 }
diff --git a/mt7996/mtk_mcu.c b/mt7996/mtk_mcu.c
index 967ee874..809181e0 100644
--- a/mt7996/mtk_mcu.c
+++ b/mt7996/mtk_mcu.c
@@ -1343,4 +1343,25 @@ int mt7996_mcu_set_vow_drr_dbg(struct mt7996_dev *dev, u32 val)
 				 sizeof(req), true);
 }
 
+int mt7996_mcu_thermal_debug(struct mt7996_dev *dev, u8 mode, u8 action)
+{
+	struct {
+		u8 __rsv1[4];
+
+		__le16 tag;
+		__le16 len;
+
+		u8 mode;
+		u8 action;
+		u8 __rsv2[2];
+	} __packed req = {
+		.tag = cpu_to_le16(mode),
+		.len = cpu_to_le16(sizeof(req) - 4),
+		.mode = mode,
+		.action = action,
+	};
+
+	return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(THERMAL_CAL), &req,
+	                         sizeof(req), true);
+}
 #endif
-- 
2.18.0