From: <alexandru.tachici@analog.com>
To: <netdev@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<devicetree@vger.kernel.org>
Cc: <robh+dt@kernel.org>, <andrew@lunn.ch>, <hkallweit1@gmail.com>,
<linux@armlinux.org.uk>, <davem@davemloft.net>, <kuba@kernel.org>,
"Alexandru Tachici" <alexandru.tachici@analog.com>
Subject: [PATCH v2 6/7] net: phy: adin1100: Add SQI support
Date: Mon, 12 Jul 2021 16:06:30 +0300 [thread overview]
Message-ID: <20210712130631.38153-7-alexandru.tachici@analog.com> (raw)
In-Reply-To: <20210712130631.38153-1-alexandru.tachici@analog.com>
From: Alexandru Tachici <alexandru.tachici@analog.com>
Determine the SQI from MSE using a predefined table
for the 10BASE-T1L.
Signed-off-by: Alexandru Tachici <alexandru.tachici@analog.com>
---
drivers/net/phy/adin1100.c | 52 ++++++++++++++++++++++++++++++++++++++
1 file changed, 52 insertions(+)
diff --git a/drivers/net/phy/adin1100.c b/drivers/net/phy/adin1100.c
index ae216a80608b..46598ec4fb2c 100644
--- a/drivers/net/phy/adin1100.c
+++ b/drivers/net/phy/adin1100.c
@@ -63,6 +63,8 @@ static const int phy_10_features_array[] = {
#define ADIN_FC_EN 0x8001
+#define ADIN_MSE_VAL 0x830B
+
#define ADIN_CRSM_SFT_RST 0x8810
#define ADIN_CRSM_SFT_RST_EN BIT(0)
@@ -81,6 +83,8 @@ static const int phy_10_features_array[] = {
#define ADIN_MAC_IF_LOOPBACK_EN BIT(0)
#define ADIN_MAC_IF_REMOTE_LOOPBACK_EN BIT(2)
+#define ADIN_SQI_MAX 7
+
struct adin_hw_stat {
const char *string;
u16 reg1;
@@ -100,6 +104,22 @@ static const struct adin_hw_stat adin_hw_stats[] = {
{ "false_carrier_events_count", 0x8013 },
};
+struct adin_mse_sqi_range {
+ u16 start;
+ u16 end;
+};
+
+static const struct adin_mse_sqi_range adin_mse_sqi_map[] = {
+ { 0x0A74, 0xFFFF },
+ { 0x084E, 0x0A74 },
+ { 0x0698, 0x084E },
+ { 0x053D, 0x0698 },
+ { 0x0429, 0x053D },
+ { 0x034E, 0x0429 },
+ { 0x02A0, 0x034E },
+ { 0x0000, 0x02A0 },
+};
+
/**
* struct adin_priv - ADIN PHY driver private data
* tx_level_24v set if the PHY supports 2.4V TX levels (10BASE-T1L)
@@ -436,6 +456,36 @@ static void adin_get_stats(struct phy_device *phydev, struct ethtool_stats *stat
data[i] = adin_get_stat(phydev, i);
}
+static int adin_get_sqi(struct phy_device *phydev)
+{
+ u16 mse_val;
+ int sqi;
+ int ret;
+
+ ret = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, MDIO_STAT1);
+ if (ret < 0)
+ return ret;
+ else if (!(ret & MDIO_STAT1_LSTATUS))
+ return 0;
+
+ ret = phy_read_mmd(phydev, MDIO_STAT1, ADIN_MSE_VAL);
+ if (ret < 0)
+ return ret;
+
+ mse_val = 0xFFFF & ret;
+ for (sqi = 0; sqi < ARRAY_SIZE(adin_mse_sqi_map); sqi++) {
+ if (mse_val >= adin_mse_sqi_map[sqi].start && mse_val <= adin_mse_sqi_map[sqi].end)
+ return sqi;
+ }
+
+ return -EINVAL;
+}
+
+static int adin_get_sqi_max(struct phy_device *phydev)
+{
+ return ADIN_SQI_MAX;
+}
+
static int adin_probe(struct phy_device *phydev)
{
struct device *dev = &phydev->mdio.dev;
@@ -466,6 +516,8 @@ static struct phy_driver adin_driver[] = {
.get_sset_count = adin_get_sset_count,
.get_strings = adin_get_strings,
.get_stats = adin_get_stats,
+ .get_sqi = adin_get_sqi,
+ .get_sqi_max = adin_get_sqi_max,
},
};
--
2.25.1
next prev parent reply other threads:[~2021-07-12 12:58 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-12 13:06 [PATCH v2 0/7] net: phy: adin1100: Add initial support for ADIN1100 industrial PHY alexandru.tachici
2021-07-12 13:06 ` [PATCH v2 1/7] ethtool: Add 10base-T1L link mode entries alexandru.tachici
2021-07-13 16:50 ` Andrew Lunn
2021-07-27 5:56 ` Oleksij Rempel
2021-07-12 13:06 ` [PATCH v2 2/7] ethtool: Add 10base-T1L voltage levels " alexandru.tachici
2021-07-12 13:06 ` [PATCH v2 3/7] net: phy: adin1100: Add initial support for ADIN1100 industrial PHY alexandru.tachici
2021-07-13 16:58 ` Andrew Lunn
2021-07-16 21:24 ` ADIN1100 alexandru.tachici
2021-07-23 17:20 ` ADIN1100 Oleksij Rempel
2021-07-27 6:31 ` [PATCH v2 3/7] net: phy: adin1100: Add initial support for ADIN1100 industrial PHY Oleksij Rempel
2021-07-27 6:47 ` Oleksij Rempel
2021-07-27 16:36 ` Andrew Lunn
2021-07-12 13:06 ` [PATCH v2 4/7] net: phy: adin1100: Add ethtool get_stats support alexandru.tachici
2021-07-12 18:41 ` Jakub Kicinski
2021-07-12 13:06 ` [PATCH v2 5/7] net: phy: adin1100: Add ethtool master-slave support alexandru.tachici
2021-07-13 17:53 ` Andrew Lunn
2021-07-12 13:06 ` alexandru.tachici [this message]
2021-07-13 17:55 ` [PATCH v2 6/7] net: phy: adin1100: Add SQI support Andrew Lunn
2021-07-12 13:06 ` [PATCH v2 7/7] dt-bindings: adin1100: Add binding for ADIN1100 Ethernet PHY alexandru.tachici
2021-07-12 14:12 ` Rob Herring
2021-07-12 17:46 ` Rob Herring
2021-07-27 5:53 ` Oleksij Rempel
2021-07-28 17:23 ` Rob Herring
2021-07-29 5:02 ` Oleksij Rempel
2021-07-12 13:33 ` [PATCH v2 0/7] net: phy: adin1100: Add initial support for ADIN1100 industrial PHY Russell King (Oracle)
2021-07-23 17:32 ` Oleksij Rempel
2021-08-03 9:47 ` alexandru.tachici
2021-08-03 11:59 ` Oleksij Rempel
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