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Message-ID: <1440142169-37100-1-git-send-email-shh.xie@gmail.com>
Date: Fri, 21 Aug 2015 15:29:29 +0800
From: <shh.xie@...il.com>
To: <netdev@...r.kernel.org>, <davem@...emloft.net>
CC: <f.fainelli@...il.com>, Shaohui Xie <Shaohui.Xie@...escale.com>
Subject: [PATCH] net: phy: add interrupt support for aquantia phy
From: Shaohui Xie <Shaohui.Xie@...escale.com>
By implementing config_intr & ack_interrupt, now the phy can support
link connect/disconnect interrupt.
Signed-off-by: Shaohui Xie <Shaohui.Xie@...escale.com>
---
drivers/net/phy/aquantia.c | 49 ++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 49 insertions(+)
diff --git a/drivers/net/phy/aquantia.c b/drivers/net/phy/aquantia.c
index 73d347d..d6111af 100644
--- a/drivers/net/phy/aquantia.c
+++ b/drivers/net/phy/aquantia.c
@@ -44,6 +44,43 @@ static int aquantia_aneg_done(struct phy_device *phydev)
return (reg < 0) ? reg : (reg & BMSR_ANEGCOMPLETE);
}
+static int aquantia_config_intr(struct phy_device *phydev)
+{
+ int err;
+
+ if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
+ err = phy_write_mmd(phydev, MDIO_MMD_AN, 0xd401, 1);
+ if (err < 0)
+ return err;
+
+ err = phy_write_mmd(phydev, MDIO_MMD_VEND1, 0xff00, 1);
+ if (err < 0)
+ return err;
+
+ err = phy_write_mmd(phydev, MDIO_MMD_VEND1, 0xff01, 0x1001);
+ } else {
+ err = phy_write_mmd(phydev, MDIO_MMD_AN, 0xd401, 0);
+ if (err < 0)
+ return err;
+
+ err = phy_write_mmd(phydev, MDIO_MMD_VEND1, 0xff00, 0);
+ if (err < 0)
+ return err;
+
+ err = phy_write_mmd(phydev, MDIO_MMD_VEND1, 0xff01, 0);
+ }
+
+ return err;
+}
+
+static int aquantia_ack_interrupt(struct phy_device *phydev)
+{
+ int reg;
+
+ reg = phy_read_mmd(phydev, MDIO_MMD_AN, 0xcc01);
+ return (reg < 0) ? reg : 0;
+}
+
static int aquantia_read_status(struct phy_device *phydev)
{
int reg;
@@ -85,8 +122,11 @@ static struct phy_driver aquantia_driver[] = {
.phy_id_mask = 0xfffffff0,
.name = "Aquantia AQ1202",
.features = PHY_AQUANTIA_FEATURES,
+ .flags = PHY_HAS_INTERRUPT,
.aneg_done = aquantia_aneg_done,
.config_aneg = aquantia_config_aneg,
+ .config_intr = aquantia_config_intr,
+ .ack_interrupt = aquantia_ack_interrupt,
.read_status = aquantia_read_status,
.driver = { .owner = THIS_MODULE,},
},
@@ -95,8 +135,11 @@ static struct phy_driver aquantia_driver[] = {
.phy_id_mask = 0xfffffff0,
.name = "Aquantia AQ2104",
.features = PHY_AQUANTIA_FEATURES,
+ .flags = PHY_HAS_INTERRUPT,
.aneg_done = aquantia_aneg_done,
.config_aneg = aquantia_config_aneg,
+ .config_intr = aquantia_config_intr,
+ .ack_interrupt = aquantia_ack_interrupt,
.read_status = aquantia_read_status,
.driver = { .owner = THIS_MODULE,},
},
@@ -105,8 +148,11 @@ static struct phy_driver aquantia_driver[] = {
.phy_id_mask = 0xfffffff0,
.name = "Aquantia AQR105",
.features = PHY_AQUANTIA_FEATURES,
+ .flags = PHY_HAS_INTERRUPT,
.aneg_done = aquantia_aneg_done,
.config_aneg = aquantia_config_aneg,
+ .config_intr = aquantia_config_intr,
+ .ack_interrupt = aquantia_ack_interrupt,
.read_status = aquantia_read_status,
.driver = { .owner = THIS_MODULE,},
},
@@ -115,8 +161,11 @@ static struct phy_driver aquantia_driver[] = {
.phy_id_mask = 0xfffffff0,
.name = "Aquantia AQR405",
.features = PHY_AQUANTIA_FEATURES,
+ .flags = PHY_HAS_INTERRUPT,
.aneg_done = aquantia_aneg_done,
.config_aneg = aquantia_config_aneg,
+ .config_intr = aquantia_config_intr,
+ .ack_interrupt = aquantia_ack_interrupt,
.read_status = aquantia_read_status,
.driver = { .owner = THIS_MODULE,},
},
--
2.1.0.27.g96db324
--
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