linux-kernel - [PATCH 11/19] media: i2c: ds90ub960: Refresh ub960_init_tx_ports

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Message-Id: <20250110-ub9xx-improvements-v1-11-e0b9a1f644da@ideasonboard.com>
Date: Fri, 10 Jan 2025 11:14:11 +0200
From: Tomi Valkeinen <tomi.valkeinen@...asonboard.com>
To: Mauro Carvalho Chehab <mchehab@...nel.org>
Cc: linux-media@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Devarsh Thakkar <devarsht@...com>, Jai Luthra <jai.luthra@...asonboard.com>, 
 Sakari Ailus <sakari.ailus@...ux.intel.com>, 
 Tomi Valkeinen <tomi.valkeinen@...asonboard.com>
Subject: [PATCH 11/19] media: i2c: ds90ub960: Refresh
 ub960_init_tx_ports_ub9702()

Refresh the ub960_init_tx_ports_ub9702() using the latest version of the
(non-public) hardware documentation.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@...asonboard.com>
---
 drivers/media/i2c/ds90ub960.c | 40 +++++++++++++++++-----------------------
 1 file changed, 17 insertions(+), 23 deletions(-)

diff --git a/drivers/media/i2c/ds90ub960.c b/drivers/media/i2c/ds90ub960.c
index 3b3e756af86b..bca858172942 100644
--- a/drivers/media/i2c/ds90ub960.c
+++ b/drivers/media/i2c/ds90ub960.c
@@ -2018,6 +2018,7 @@ static int ub960_init_tx_ports_ub960(struct ub960_data *priv)
 static int ub960_init_tx_ports_ub9702(struct ub960_data *priv)
 {
 	u8 speed_select;
+	u8 ana_pll_div;
 	u8 pll_div;
 	int ret = 0;
 
@@ -2025,47 +2026,40 @@ static int ub960_init_tx_ports_ub9702(struct ub960_data *priv)
 	case MHZ(400):
 		speed_select = 3;
 		pll_div = 0x10;
+		ana_pll_div = 0xa2;
 		break;
 	case MHZ(800):
 		speed_select = 2;
 		pll_div = 0x10;
+		ana_pll_div = 0x92;
 		break;
 	case MHZ(1200):
 		speed_select = 1;
 		pll_div = 0x18;
+		ana_pll_div = 0x90;
+		break;
+	case MHZ(1500):
+		speed_select = 0;
+		pll_div = 0x0f;
+		ana_pll_div = 0x82;
 		break;
 	case MHZ(1600):
 	default:
 		speed_select = 0;
 		pll_div = 0x10;
+		ana_pll_div = 0x82;
+		break;
+	case MHZ(2500):
+		speed_select = 0x10;
+		pll_div = 0x19;
+		ana_pll_div = 0x80;
 		break;
 	}
 
 	ub960_write(priv, UB960_SR_CSI_PLL_CTL, speed_select, &ret);
-
 	ub960_write(priv, UB9702_SR_CSI_PLL_DIV, pll_div, &ret);
-
-	switch (priv->tx_data_rate) {
-	case MHZ(1600):
-	default:
-		ub960_write_ind(priv, UB960_IND_TARGET_CSI_ANA, 0x92, 0x80,
-				&ret);
-		ub960_write_ind(priv, UB960_IND_TARGET_CSI_ANA, 0x4b, 0x2a,
-				&ret);
-		break;
-	case MHZ(800):
-		ub960_write_ind(priv, UB960_IND_TARGET_CSI_ANA, 0x92, 0x90,
-				&ret);
-		ub960_write_ind(priv, UB960_IND_TARGET_CSI_ANA, 0x4f, 0x2a,
-				&ret);
-		ub960_write_ind(priv, UB960_IND_TARGET_CSI_ANA, 0x4b, 0x2a,
-				&ret);
-		break;
-	case MHZ(400):
-		ub960_write_ind(priv, UB960_IND_TARGET_CSI_ANA, 0x92, 0xa0,
-				&ret);
-		break;
-	}
+	ub960_write_ind(priv, UB960_IND_TARGET_CSI_ANA,
+			UB9702_IR_CSI_ANA_CSIPLL_REG_1, ana_pll_div, &ret);
 
 	return ret;
 }

-- 
2.43.0