netdev - [PATCH net-next 7/7] net: phy: marvell10g: support other MACTYPEs

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Date:   Wed, 24 Mar 2021 17:50:23 +0100
From:   Marek Behún <kabel@...nel.org>
To:     netdev@...r.kernel.org, Andrew Lunn <andrew@...n.ch>,
        "David S . Miller" <davem@...emloft.net>,
        Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <rmk+kernel@...linux.org.uk>, kuba@...nel.org
Cc:     Marek Behún <kabel@...nel.org>
Subject: [PATCH net-next 7/7] net: phy: marvell10g: support other MACTYPEs

Currently the only "changing" MACTYPE we support is when the PHY changes
between
  10gbase-r / 5gbase-r / 2500base-x / sgmii

Add support for
  xaui / 5gbase-r / 2500base-x / sgmii
  rxaui / 5gbase-r / 2500base-x / sgmii

Signed-off-by: Marek Behún <kabel@...nel.org>
---
 drivers/net/phy/marvell10g.c | 70 +++++++++++++++++++++---------------
 1 file changed, 41 insertions(+), 29 deletions(-)

diff --git a/drivers/net/phy/marvell10g.c b/drivers/net/phy/marvell10g.c
index c764795a142a..a0fc74456d32 100644
--- a/drivers/net/phy/marvell10g.c
+++ b/drivers/net/phy/marvell10g.c
@@ -595,6 +595,10 @@ static int mv3310_aneg_done(struct phy_device *phydev)
 static void mv3310_update_interface(struct phy_device *phydev)
 {
 	struct mv3310_priv *priv = dev_get_drvdata(&phydev->mdio.dev);
+	phy_interface_t interface10g;
+
+	if (!phydev->link)
+		return;
 
 	/* In all of the "* with Rate Matching" modes the PHY interface is fixed
 	 * at 10Gb. The PHY adapts the rate to actual wire speed with help of
@@ -610,38 +614,46 @@ static void mv3310_update_interface(struct phy_device *phydev)
 	case MV_V2_PORT_CTRL_MACTYPE_RXAUI_RATE_MATCH:
 		phydev->interface = PHY_INTERFACE_MODE_RXAUI;
 		return;
-	default:
+	case MV_V2_PORT_CTRL_MACTYPE_USXGMII:
+		phydev->interface = PHY_INTERFACE_MODE_USXGMII;
+		return;
+	case MV_V2_PORT_CTRL_MACTYPE_10GBASER:
+	case MV_V2_PORT_CTRL_MACTYPE_10GBASER_NO_SGMII_AN:
+		interface10g = PHY_INTERFACE_MODE_10GBASER;
 		break;
+	case MV_V2_PORT_CTRL_MACTYPE_XAUI:
+		interface10g = PHY_INTERFACE_MODE_XAUI;
+		break;
+	case MV_V2_PORT_CTRL_MACTYPE_RXAUI:
+		interface10g = PHY_INTERFACE_MODE_RXAUI;
+		break;
+	default:
+		unreachable();
 	}
 
-	if ((phydev->interface == PHY_INTERFACE_MODE_SGMII ||
-	     phydev->interface == PHY_INTERFACE_MODE_2500BASEX ||
-	     phydev->interface == PHY_INTERFACE_MODE_10GBASER) &&
-	    phydev->link) {
-		/* The PHY automatically switches its serdes interface (and
-		 * active PHYXS instance) between Cisco SGMII, 10GBase-R and
-		 * 2500BaseX modes according to the speed.  Florian suggests
-		 * setting phydev->interface to communicate this to the MAC.
-		 * Only do this if we are already in one of the above modes.
-		 */
-		switch (phydev->speed) {
-		case SPEED_10000:
-			phydev->interface = PHY_INTERFACE_MODE_10GBASER;
-			break;
-		case SPEED_5000:
-			phydev->interface = PHY_INTERFACE_MODE_5GBASER;
-			break;
-		case SPEED_2500:
-			phydev->interface = PHY_INTERFACE_MODE_2500BASEX;
-			break;
-		case SPEED_1000:
-		case SPEED_100:
-		case SPEED_10:
-			phydev->interface = PHY_INTERFACE_MODE_SGMII;
-			break;
-		default:
-			break;
-		}
+	/* The PHY automatically switches its serdes interface (and active PHYXS
+	 * instance) between Cisco SGMII, 2500BaseX, 5GBase-R and 10GBase-R /
+	 * xaui / rxaui modes according to the speed.
+	 * Florian suggests setting phydev->interface to communicate this to the
+	 * MAC. Only do this if we are already in one of the above modes.
+	 */
+	switch (phydev->speed) {
+	case SPEED_10000:
+		phydev->interface = interface10g;
+		break;
+	case SPEED_5000:
+		phydev->interface = PHY_INTERFACE_MODE_5GBASER;
+		break;
+	case SPEED_2500:
+		phydev->interface = PHY_INTERFACE_MODE_2500BASEX;
+		break;
+	case SPEED_1000:
+	case SPEED_100:
+	case SPEED_10:
+		phydev->interface = PHY_INTERFACE_MODE_SGMII;
+		break;
+	default:
+		break;
 	}
 }
 
-- 
2.26.2