#define SPECIAL_CTRL_STS_AMDIX_STATE_ 0x2000
#define EDPD_MAX_WAIT_DFLT_MS 640
+/* interval between phylib state machine runs in ms */
+#define PHY_STATE_MACH_MS 1000
struct smsc_hw_stat {
const char *string;
data[i] = smsc_get_stat(phydev, i);
}
+static int smsc_phy_get_edpd(struct phy_device *phydev, u16 *edpd)
+{
+ struct smsc_phy_priv *priv = phydev->priv;
+
+ if (!priv)
+ return -EOPNOTSUPP;
+
+ if (!priv->edpd_enable)
+ *edpd = ETHTOOL_PHY_EDPD_DISABLE;
+ else if (!priv->edpd_max_wait_ms)
+ *edpd = ETHTOOL_PHY_EDPD_NO_TX;
+ else
+ *edpd = PHY_STATE_MACH_MS + priv->edpd_max_wait_ms;
+
+ return 0;
+}
+
+static int smsc_phy_set_edpd(struct phy_device *phydev, u16 edpd)
+{
+ struct smsc_phy_priv *priv = phydev->priv;
+
+ if (!priv)
+ return -EOPNOTSUPP;
+
+ switch (edpd) {
+ case ETHTOOL_PHY_EDPD_DISABLE:
+ priv->edpd_enable = false;
+ break;
+ case ETHTOOL_PHY_EDPD_NO_TX:
+ priv->edpd_enable = true;
+ priv->edpd_max_wait_ms = 0;
+ break;
+ case ETHTOOL_PHY_EDPD_DFLT_TX_MSECS:
+ edpd = PHY_STATE_MACH_MS + EDPD_MAX_WAIT_DFLT_MS;
+ fallthrough;
+ default:
+ if (phydev->irq != PHY_POLL)
+ return -EOPNOTSUPP;
+ if (edpd < PHY_STATE_MACH_MS || edpd > PHY_STATE_MACH_MS + 1000)
+ return -EINVAL;
+ priv->edpd_enable = true;
+ priv->edpd_max_wait_ms = edpd - PHY_STATE_MACH_MS;
+ }
+
+ priv->edpd_mode_set_by_user = true;
+
+ return smsc_phy_config_edpd(phydev);
+}
+
+int smsc_phy_get_tunable(struct phy_device *phydev,
+ struct ethtool_tunable *tuna, void *data)
+{
+ switch (tuna->id) {
+ case ETHTOOL_PHY_EDPD:
+ return smsc_phy_get_edpd(phydev, data);
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+EXPORT_SYMBOL_GPL(smsc_phy_get_tunable);
+
+int smsc_phy_set_tunable(struct phy_device *phydev,
+ struct ethtool_tunable *tuna, const void *data)
+{
+ switch (tuna->id) {
+ case ETHTOOL_PHY_EDPD:
+ return smsc_phy_set_edpd(phydev, *(u16 *)data);
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+EXPORT_SYMBOL_GPL(smsc_phy_set_tunable);
+
int smsc_phy_probe(struct phy_device *phydev)
{
struct device *dev = &phydev->mdio.dev;
irqreturn_t smsc_phy_handle_interrupt(struct phy_device *phydev);
int smsc_phy_config_init(struct phy_device *phydev);
int lan87xx_read_status(struct phy_device *phydev);
+int smsc_phy_get_tunable(struct phy_device *phydev,
+ struct ethtool_tunable *tuna, void *data);
+int smsc_phy_set_tunable(struct phy_device *phydev,
+ struct ethtool_tunable *tuna, const void *data);
int smsc_phy_probe(struct phy_device *phydev);
#endif /* __LINUX_SMSCPHY_H__ */