From cdccb674bc75292020be6894dcea162e585dc5ce Mon Sep 17 00:00:00 2001
From: MeiChia Chiu <meichia.chiu@mediatek.com>
Date: Mon, 28 Mar 2022 09:19:29 +0800
Subject: [PATCH] mt76: mt7915: add support for muru_onoff via debugfs

---
 mt7915/init.c        |  1 +
 mt7915/mcu.c         | 12 ++++++++----
 mt7915/mcu.h         |  6 ++++++
 mt7915/mt7915.h      |  1 +
 mt7915/mtk_debugfs.c | 33 +++++++++++++++++++++++++++++++++
 5 files changed, 49 insertions(+), 4 deletions(-)

diff --git a/mt7915/init.c b/mt7915/init.c
index dbcdf147..c58f045f 100644
--- a/mt7915/init.c
+++ b/mt7915/init.c
@@ -574,6 +574,7 @@ static void mt7915_init_work(struct work_struct *work)
 	mt7915_init_txpower(dev, &dev->mphy.sband_5g.sband);
 	mt7915_init_txpower(dev, &dev->mphy.sband_6g.sband);
 	mt7915_txbf_init(dev);
+	dev->dbg.muru_onoff = OFDMA_DL | MUMIMO_UL | MUMIMO_DL;
 }
 
 void mt7915_wfsys_reset(struct mt7915_dev *dev)
diff --git a/mt7915/mcu.c b/mt7915/mcu.c
index 26831327..95825062 100644
--- a/mt7915/mcu.c
+++ b/mt7915/mcu.c
@@ -944,6 +944,7 @@ mt7915_mcu_sta_muru_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
 			struct ieee80211_vif *vif)
 {
 	struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+	struct mt7915_dev *dev = mvif->phy->dev;
 	struct ieee80211_he_cap_elem *elem = &sta->he_cap.he_cap_elem;
 	struct sta_rec_muru *muru;
 	struct tlv *tlv;
@@ -956,11 +957,14 @@ mt7915_mcu_sta_muru_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
 
 	muru = (struct sta_rec_muru *)tlv;
 
-	muru->cfg.mimo_dl_en = mvif->cap.he_mu_ebfer ||
+	muru->cfg.mimo_dl_en = (mvif->cap.he_mu_ebfer ||
 			       mvif->cap.vht_mu_ebfer ||
-			       mvif->cap.vht_mu_ebfee;
-	muru->cfg.mimo_ul_en = true;
-	muru->cfg.ofdma_dl_en = true;
+			       mvif->cap.vht_mu_ebfee) &&
+			       !!(dev->dbg.muru_onoff & MUMIMO_DL);
+
+	muru->cfg.mimo_ul_en = !!(dev->dbg.muru_onoff & MUMIMO_UL);
+	muru->cfg.ofdma_dl_en = !!(dev->dbg.muru_onoff & OFDMA_DL);
+	muru->cfg.ofdma_ul_en = !!(dev->dbg.muru_onoff & OFDMA_UL);
 
 	if (sta->vht_cap.vht_supported)
 		muru->mimo_dl.vht_mu_bfee =
diff --git a/mt7915/mcu.h b/mt7915/mcu.h
index 007282d4..a5e5afae 100644
--- a/mt7915/mcu.h
+++ b/mt7915/mcu.h
@@ -569,4 +569,10 @@ struct csi_data {
 };
 #endif
 
+/* MURU */
+#define OFDMA_DL			BIT(0)
+#define OFDMA_UL			BIT(1)
+#define MUMIMO_DL			BIT(2)
+#define MUMIMO_UL			BIT(3)
+
 #endif
diff --git a/mt7915/mt7915.h b/mt7915/mt7915.h
index 9960785e..ec844dbe 100644
--- a/mt7915/mt7915.h
+++ b/mt7915/mt7915.h
@@ -390,6 +390,7 @@ struct mt7915_dev {
 		bool dump_rx_pkt;
 		bool dump_rx_raw;
 		u32 token_idx;
+		u8 muru_onoff;
 	} dbg;
 	const struct mt7915_dbg_reg_desc *dbg_reg;
 #endif
diff --git a/mt7915/mtk_debugfs.c b/mt7915/mtk_debugfs.c
index 246eb129..6c48f115 100644
--- a/mt7915/mtk_debugfs.c
+++ b/mt7915/mtk_debugfs.c
@@ -2454,6 +2454,38 @@ static int mt7915_token_txd_read(struct seq_file *s, void *data)
 	return 0;
 }
 
+static int mt7915_muru_onoff_get(void *data, u64 *val)
+{
+	struct mt7915_dev *dev = data;
+
+	*val = dev->dbg.muru_onoff;
+
+	printk("mumimo ul:%d, mumimo dl:%d, ofdma ul:%d, ofdma dl:%d\n",
+		!!(dev->dbg.muru_onoff & MUMIMO_UL),
+		!!(dev->dbg.muru_onoff & MUMIMO_DL),
+		!!(dev->dbg.muru_onoff & OFDMA_UL),
+		!!(dev->dbg.muru_onoff & OFDMA_DL));
+
+	return 0;
+}
+
+static int mt7915_muru_onoff_set(void *data, u64 val)
+{
+	struct mt7915_dev *dev = data;
+
+	if (val > 15) {
+		printk("Wrong value! The value is between 0 ~ 15.\n");
+		goto exit;
+	}
+
+	dev->dbg.muru_onoff = val;
+exit:
+	return 0;
+}
+
+DEFINE_DEBUGFS_ATTRIBUTE(fops_muru_onoff, mt7915_muru_onoff_get,
+			mt7915_muru_onoff_set, "%llx\n");
+
 static int mt7915_amsduinfo_read(struct seq_file *s, void *data)
 {
 	struct mt7915_dev *dev = dev_get_drvdata(s->private);
@@ -2831,6 +2863,7 @@ int mt7915_mtk_init_debugfs(struct mt7915_phy *phy, struct dentry *dir)
 
 	mt7915_mcu_fw_log_2_host(dev, MCU_FW_LOG_WM, 0);
 
+	debugfs_create_file("muru_onoff", 0600, dir, dev, &fops_muru_onoff);
 	debugfs_create_file("fw_debug_module", 0600, dir, dev,
 			    &fops_fw_debug_module);
 	debugfs_create_file("fw_debug_level", 0600, dir, dev,
-- 
2.18.0