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Message-ID: <20200902203444.29167-3-dmurphy@ti.com>
Date: Wed, 2 Sep 2020 15:34:43 -0500
From: Dan Murphy <dmurphy@...com>
To: <davem@...emloft.net>, <andrew@...n.ch>, <f.fainelli@...il.com>,
<hkallweit1@...il.com>
CC: <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
Dan Murphy <dmurphy@...com>
Subject: [PATCH net-next v2 2/3] net: phy: dp83869: support Wake on LAN
This adds WoL support on TI DP83869 for magic, magic secure, unicast and
broadcast.
Signed-off-by: Dan Murphy <dmurphy@...com>
---
drivers/net/phy/dp83869.c | 128 ++++++++++++++++++++++++++++++++++++++
1 file changed, 128 insertions(+)
diff --git a/drivers/net/phy/dp83869.c b/drivers/net/phy/dp83869.c
index 48a68474f89c..5045df9515a5 100644
--- a/drivers/net/phy/dp83869.c
+++ b/drivers/net/phy/dp83869.c
@@ -4,6 +4,7 @@
*/
#include <linux/ethtool.h>
+#include <linux/etherdevice.h>
#include <linux/kernel.h>
#include <linux/mii.h>
#include <linux/module.h>
@@ -27,6 +28,13 @@
#define DP83869_RGMIICTL 0x0032
#define DP83869_STRAP_STS1 0x006e
#define DP83869_RGMIIDCTL 0x0086
+#define DP83869_RXFCFG 0x0134
+#define DP83869_RXFPMD1 0x0136
+#define DP83869_RXFPMD2 0x0137
+#define DP83869_RXFPMD3 0x0138
+#define DP83869_RXFSOP1 0x0139
+#define DP83869_RXFSOP2 0x013A
+#define DP83869_RXFSOP3 0x013B
#define DP83869_IO_MUX_CFG 0x0170
#define DP83869_OP_MODE 0x01df
#define DP83869_FX_CTRL 0x0c00
@@ -105,6 +113,14 @@
#define DP83869_OP_MODE_MII BIT(5)
#define DP83869_SGMII_RGMII_BRIDGE BIT(6)
+/* RXFCFG bits*/
+#define DP83869_WOL_MAGIC_EN BIT(0)
+#define DP83869_WOL_PATTERN_EN BIT(1)
+#define DP83869_WOL_BCAST_EN BIT(2)
+#define DP83869_WOL_UCAST_EN BIT(4)
+#define DP83869_WOL_SEC_EN BIT(5)
+#define DP83869_WOL_ENH_MAC BIT(7)
+
enum {
DP83869_PORT_MIRRORING_KEEP,
DP83869_PORT_MIRRORING_EN,
@@ -156,6 +172,115 @@ static int dp83869_config_intr(struct phy_device *phydev)
return phy_write(phydev, MII_DP83869_MICR, micr_status);
}
+static int dp83869_set_wol(struct phy_device *phydev,
+ struct ethtool_wolinfo *wol)
+{
+ struct net_device *ndev = phydev->attached_dev;
+ u16 val_rxcfg, val_micr;
+ u8 *mac;
+
+ val_rxcfg = phy_read_mmd(phydev, DP83869_DEVADDR, DP83869_RXFCFG);
+ val_micr = phy_read(phydev, MII_DP83869_MICR);
+
+ if (wol->wolopts & (WAKE_MAGIC | WAKE_MAGICSECURE | WAKE_UCAST |
+ WAKE_BCAST)) {
+ val_rxcfg |= DP83869_WOL_ENH_MAC;
+ val_micr |= MII_DP83869_MICR_WOL_INT_EN;
+
+ if (wol->wolopts & WAKE_MAGIC) {
+ mac = (u8 *)ndev->dev_addr;
+
+ if (!is_valid_ether_addr(mac))
+ return -EINVAL;
+
+ phy_write_mmd(phydev, DP83869_DEVADDR, DP83869_RXFPMD1,
+ (mac[1] << 8 | mac[0]));
+ phy_write_mmd(phydev, DP83869_DEVADDR, DP83869_RXFPMD2,
+ (mac[3] << 8 | mac[2]));
+ phy_write_mmd(phydev, DP83869_DEVADDR, DP83869_RXFPMD3,
+ (mac[5] << 8 | mac[4]));
+
+ val_rxcfg |= DP83869_WOL_MAGIC_EN;
+ } else {
+ val_rxcfg &= ~DP83869_WOL_MAGIC_EN;
+ }
+
+ if (wol->wolopts & WAKE_MAGICSECURE) {
+ phy_write_mmd(phydev, DP83869_DEVADDR, DP83869_RXFSOP1,
+ (wol->sopass[1] << 8) | wol->sopass[0]);
+ phy_write_mmd(phydev, DP83869_DEVADDR, DP83869_RXFSOP2,
+ (wol->sopass[3] << 8) | wol->sopass[2]);
+ phy_write_mmd(phydev, DP83869_DEVADDR, DP83869_RXFSOP3,
+ (wol->sopass[5] << 8) | wol->sopass[4]);
+
+ val_rxcfg |= DP83869_WOL_SEC_EN;
+ } else {
+ val_rxcfg &= ~DP83869_WOL_SEC_EN;
+ }
+
+ if (wol->wolopts & WAKE_UCAST)
+ val_rxcfg |= DP83869_WOL_UCAST_EN;
+ else
+ val_rxcfg &= ~DP83869_WOL_UCAST_EN;
+
+ if (wol->wolopts & WAKE_BCAST)
+ val_rxcfg |= DP83869_WOL_BCAST_EN;
+ else
+ val_rxcfg &= ~DP83869_WOL_BCAST_EN;
+ } else {
+ val_rxcfg &= ~DP83869_WOL_ENH_MAC;
+ val_micr &= ~MII_DP83869_MICR_WOL_INT_EN;
+ }
+
+ phy_write_mmd(phydev, DP83869_DEVADDR, DP83869_RXFCFG, val_rxcfg);
+ phy_write(phydev, MII_DP83869_MICR, val_micr);
+
+ return 0;
+}
+
+static void dp83869_get_wol(struct phy_device *phydev,
+ struct ethtool_wolinfo *wol)
+{
+ u16 value, sopass_val;
+
+ wol->supported = (WAKE_UCAST | WAKE_BCAST | WAKE_MAGIC |
+ WAKE_MAGICSECURE);
+ wol->wolopts = 0;
+
+ value = phy_read_mmd(phydev, DP83869_DEVADDR, DP83869_RXFCFG);
+
+ if (value & DP83869_WOL_UCAST_EN)
+ wol->wolopts |= WAKE_UCAST;
+
+ if (value & DP83869_WOL_BCAST_EN)
+ wol->wolopts |= WAKE_BCAST;
+
+ if (value & DP83869_WOL_MAGIC_EN)
+ wol->wolopts |= WAKE_MAGIC;
+
+ if (value & DP83869_WOL_SEC_EN) {
+ sopass_val = phy_read_mmd(phydev, DP83869_DEVADDR,
+ DP83869_RXFSOP1);
+ wol->sopass[0] = (sopass_val & 0xff);
+ wol->sopass[1] = (sopass_val >> 8);
+
+ sopass_val = phy_read_mmd(phydev, DP83869_DEVADDR,
+ DP83869_RXFSOP2);
+ wol->sopass[2] = (sopass_val & 0xff);
+ wol->sopass[3] = (sopass_val >> 8);
+
+ sopass_val = phy_read_mmd(phydev, DP83869_DEVADDR,
+ DP83869_RXFSOP3);
+ wol->sopass[4] = (sopass_val & 0xff);
+ wol->sopass[5] = (sopass_val >> 8);
+
+ wol->wolopts |= WAKE_MAGICSECURE;
+ }
+
+ if (!(value & DP83869_WOL_ENH_MAC))
+ wol->wolopts = 0;
+}
+
static int dp83869_config_port_mirroring(struct phy_device *phydev)
{
struct dp83869_private *dp83869 = phydev->priv;
@@ -531,6 +656,9 @@ static struct phy_driver dp83869_driver[] = {
.ack_interrupt = dp83869_ack_interrupt,
.config_intr = dp83869_config_intr,
+ .get_wol = dp83869_get_wol,
+ .set_wol = dp83869_set_wol,
+
.suspend = genphy_suspend,
.resume = genphy_resume,
},
--
2.28.0
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