recipes-kernel/linux-mt76/files/patches/0001-mt76-mt7915-rework-testmode-init-registers.patch

From 9d16552ff5dc96dd576d15f263ac1ae180ac615e Mon Sep 17 00:00:00 2001
From: Shayne Chen <shayne.chen@mediatek.com>
Date: Wed, 19 Jan 2022 15:46:06 +0800
Subject: [PATCH 1/6] mt76: mt7915: rework testmode init registers

---
 mt7915/mmio.c     |  2 ++
 mt7915/regs.h     | 16 +++++++++++++--
 mt7915/testmode.c | 52 ++++++++++++++++++++++++++++++++++-------------
 3 files changed, 54 insertions(+), 16 deletions(-)

diff --git a/mt7915/mmio.c b/mt7915/mmio.c
index 5062e0d8..2466907e 100644
--- a/mt7915/mmio.c
+++ b/mt7915/mmio.c
@@ -53,6 +53,7 @@ static const u32 mt7986_reg[] = {
 };
 
 static const u32 mt7915_offs[] = {
+	[TMAC_TCR2]		= 0x05c,
 	[TMAC_CDTR]		= 0x090,
 	[TMAC_ODTR]		= 0x094,
 	[TMAC_ATCR]		= 0x098,
@@ -126,6 +127,7 @@ static const u32 mt7915_offs[] = {
 };
 
 static const u32 mt7916_offs[] = {
+	[TMAC_TCR2]		= 0x004,
 	[TMAC_CDTR]		= 0x0c8,
 	[TMAC_ODTR]		= 0x0cc,
 	[TMAC_ATCR]		= 0x00c,
diff --git a/mt7915/regs.h b/mt7915/regs.h
index e5f93c40..999dd7fc 100644
--- a/mt7915/regs.h
+++ b/mt7915/regs.h
@@ -34,6 +34,7 @@ enum reg_rev {
 };
 
 enum offs_rev {
+	TMAC_TCR2,
 	TMAC_CDTR,
 	TMAC_ODTR,
 	TMAC_ATCR,
@@ -172,6 +173,12 @@ enum offs_rev {
 #define MT_MDP_TO_HIF			0
 #define MT_MDP_TO_WM			1
 
+#define MT_MDP_TOP_DBG_WDT_CTRL			MT_MDP(0x0d0)
+#define MT_MDP_TOP_DBG_WDT_CTRL_TDP_DIS_BLK	BIT(7)
+
+#define MT_MDP_TOP_DBG_CTRL			MT_MDP(0x0dc)
+#define MT_MDP_TOP_DBG_CTRL_ENQ_MODE		BIT(30)
+
 /* TMAC: band 0(0x820e4000), band 1(0x820f4000) */
 #define MT_WF_TMAC_BASE(_band)		((_band) ? 0x820f4000 : 0x820e4000)
 #define MT_WF_TMAC(_band, ofs)		(MT_WF_TMAC_BASE(_band) + (ofs))
@@ -180,6 +187,9 @@ enum offs_rev {
 #define MT_TMAC_TCR0_TX_BLINK		GENMASK(7, 6)
 #define MT_TMAC_TCR0_TBTT_STOP_CTRL	BIT(25)
 
+#define MT_TMAC_TCR2(_band)		MT_WF_TMAC(_band, __OFFS(TMAC_TCR2))
+#define MT_TMAC_TCR2_SCH_DET_DIS	BIT(19)
+
 #define MT_TMAC_CDTR(_band)		MT_WF_TMAC(_band, __OFFS(TMAC_CDTR))
  #define MT_TMAC_ODTR(_band)		MT_WF_TMAC(_band, __OFFS(TMAC_ODTR))
 #define MT_TIMEOUT_VAL_PLCP		GENMASK(15, 0)
@@ -451,8 +461,10 @@ enum offs_rev {
 #define MT_AGG_PCR0_VHT_PROT		BIT(13)
 #define MT_AGG_PCR0_PTA_WIN_DIS		BIT(15)
 
-#define MT_AGG_PCR1_RTS0_NUM_THRES	GENMASK(31, 23)
-#define MT_AGG_PCR1_RTS0_LEN_THRES	GENMASK(19, 0)
+#define MT_AGG_PCR1_RTS0_NUM_THRES		GENMASK(31, 23)
+#define MT_AGG_PCR1_RTS0_LEN_THRES		GENMASK(19, 0)
+#define MT_AGG_PCR1_RTS0_NUM_THRES_MT7916	GENMASK(29, 24)
+#define MT_AGG_PCR1_RTS0_LEN_THRES_MT7916	GENMASK(22, 0)
 
 #define MT_AGG_ACR0(_band)		MT_WF_AGG(_band, __OFFS(AGG_ACR0))
 #define MT_AGG_ACR_CFEND_RATE		GENMASK(13, 0)
diff --git a/mt7915/testmode.c b/mt7915/testmode.c
index 20f63644..8d7ec9e8 100644
--- a/mt7915/testmode.c
+++ b/mt7915/testmode.c
@@ -30,7 +30,7 @@ struct reg_band {
 		{ _list.band[0] = MT_##_reg(0, _idx);	\
 		  _list.band[1] = MT_##_reg(1, _idx); }
 
-#define TM_REG_MAX_ID	17
+#define TM_REG_MAX_ID	20
 static struct reg_band reg_backup_list[TM_REG_MAX_ID];
 
 
@@ -334,7 +334,7 @@ mt7915_tm_reg_backup_restore(struct mt7915_phy *phy)
 {
 	int n_regs = ARRAY_SIZE(reg_backup_list);
 	struct mt7915_dev *dev = phy->dev;
-	u32 *b = phy->test.reg_backup;
+	u32 *b = phy->test.reg_backup, val;
 	int i;
 
 	REG_BAND_IDX(reg_backup_list[0], AGG_PCR0, 0);
@@ -346,18 +346,28 @@ mt7915_tm_reg_backup_restore(struct mt7915_phy *phy)
 	REG_BAND(reg_backup_list[6], AGG_MRCR);
 	REG_BAND(reg_backup_list[7], TMAC_TFCR0);
 	REG_BAND(reg_backup_list[8], TMAC_TCR0);
-	REG_BAND(reg_backup_list[9], AGG_ATCR1);
-	REG_BAND(reg_backup_list[10], AGG_ATCR3);
-	REG_BAND(reg_backup_list[11], TMAC_TRCR0);
-	REG_BAND(reg_backup_list[12], TMAC_ICR0);
-	REG_BAND_IDX(reg_backup_list[13], ARB_DRNGR0, 0);
-	REG_BAND_IDX(reg_backup_list[14], ARB_DRNGR0, 1);
-	REG_BAND(reg_backup_list[15], WF_RFCR);
-	REG_BAND(reg_backup_list[16], WF_RFCR1);
+	REG_BAND(reg_backup_list[9], TMAC_TCR2);
+	REG_BAND(reg_backup_list[10], AGG_ATCR1);
+	REG_BAND(reg_backup_list[11], AGG_ATCR3);
+	REG_BAND(reg_backup_list[12], TMAC_TRCR0);
+	REG_BAND(reg_backup_list[13], TMAC_ICR0);
+	REG_BAND_IDX(reg_backup_list[14], ARB_DRNGR0, 0);
+	REG_BAND_IDX(reg_backup_list[15], ARB_DRNGR0, 1);
+	REG_BAND(reg_backup_list[16], WF_RFCR);
+	REG_BAND(reg_backup_list[17], WF_RFCR1);
+
+	if (is_mt7916(&dev->mt76)) {
+		reg_backup_list[18].band[phy->band_idx] = MT_MDP_TOP_DBG_WDT_CTRL;
+		reg_backup_list[19].band[phy->band_idx] = MT_MDP_TOP_DBG_CTRL;
+	}
 
 	if (phy->mt76->test.state == MT76_TM_STATE_OFF) {
-		for (i = 0; i < n_regs; i++)
-			mt76_wr(dev, reg_backup_list[i].band[phy->band_idx], b[i]);
+		for (i = 0; i < n_regs; i++) {
+			u8 reg = reg_backup_list[i].band[phy->band_idx];
+
+			if (reg)
+				mt76_wr(dev, reg, b[i]);
+		}
 		return;
 	}
 
@@ -377,8 +387,13 @@ mt7915_tm_reg_backup_restore(struct mt7915_phy *phy)
 		   MT_AGG_PCR0_BW40_PROT | MT_AGG_PCR0_BW80_PROT);
 	mt76_set(dev, MT_AGG_PCR0(phy->band_idx, 0), MT_AGG_PCR0_PTA_WIN_DIS);
 
-	mt76_wr(dev, MT_AGG_PCR0(phy->band_idx, 1), MT_AGG_PCR1_RTS0_NUM_THRES |
-		MT_AGG_PCR1_RTS0_LEN_THRES);
+	if (is_mt7915(&dev->mt76))
+		val = MT_AGG_PCR1_RTS0_NUM_THRES | MT_AGG_PCR1_RTS0_LEN_THRES;
+	else
+		val = MT_AGG_PCR1_RTS0_NUM_THRES_MT7916 |
+		      MT_AGG_PCR1_RTS0_LEN_THRES_MT7916;
+
+	mt76_wr(dev, MT_AGG_PCR0(phy->band_idx, 1), val);
 
 	mt76_clear(dev, MT_AGG_MRCR(phy->band_idx), MT_AGG_MRCR_BAR_CNT_LIMIT |
 		   MT_AGG_MRCR_LAST_RTS_CTS_RN | MT_AGG_MRCR_RTS_FAIL_LIMIT |
@@ -391,10 +406,19 @@ mt7915_tm_reg_backup_restore(struct mt7915_phy *phy)
 
 	mt76_wr(dev, MT_TMAC_TFCR0(phy->band_idx), 0);
 	mt76_clear(dev, MT_TMAC_TCR0(phy->band_idx), MT_TMAC_TCR0_TBTT_STOP_CTRL);
+	mt76_set(dev, MT_TMAC_TCR2(phy->band_idx), MT_TMAC_TCR2_SCH_DET_DIS);
 
 	/* config rx filter for testmode rx */
 	mt76_wr(dev, MT_WF_RFCR(phy->band_idx), 0xcf70a);
 	mt76_wr(dev, MT_WF_RFCR1(phy->band_idx), 0);
+
+	if (is_mt7916(&dev->mt76)) {
+		/* enable MDP Tx block mode */
+		mt76_clear(dev, MT_MDP_TOP_DBG_WDT_CTRL,
+			   MT_MDP_TOP_DBG_WDT_CTRL_TDP_DIS_BLK);
+		mt76_clear(dev, MT_MDP_TOP_DBG_CTRL,
+			   MT_MDP_TOP_DBG_CTRL_ENQ_MODE);
+	}
 }
 
 static void
-- 
2.18.0