diff options
Diffstat (limited to 'include/linux/phy.h')
| -rw-r--r-- | include/linux/phy.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/include/linux/phy.h b/include/linux/phy.h index 565188ca328..68041446c45 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -74,8 +74,56 @@ typedef enum { PHY_INTERFACE_MODE_RTBI, PHY_INTERFACE_MODE_SMII, PHY_INTERFACE_MODE_XGMII, + PHY_INTERFACE_MODE_MOCA, + PHY_INTERFACE_MODE_QSGMII, + PHY_INTERFACE_MODE_MAX, } phy_interface_t; +/** + * It maps 'enum phy_interface_t' found in include/linux/phy.h + * into the device tree binding of 'phy-mode', so that Ethernet + * device driver can get phy interface from device tree. + */ +static inline const char *phy_modes(phy_interface_t interface) +{ + switch (interface) { + case PHY_INTERFACE_MODE_NA: + return ""; + case PHY_INTERFACE_MODE_MII: + return "mii"; + case PHY_INTERFACE_MODE_GMII: + return "gmii"; + case PHY_INTERFACE_MODE_SGMII: + return "sgmii"; + case PHY_INTERFACE_MODE_TBI: + return "tbi"; + case PHY_INTERFACE_MODE_REVMII: + return "rev-mii"; + case PHY_INTERFACE_MODE_RMII: + return "rmii"; + case PHY_INTERFACE_MODE_RGMII: + return "rgmii"; + case PHY_INTERFACE_MODE_RGMII_ID: + return "rgmii-id"; + case PHY_INTERFACE_MODE_RGMII_RXID: + return "rgmii-rxid"; + case PHY_INTERFACE_MODE_RGMII_TXID: + return "rgmii-txid"; + case PHY_INTERFACE_MODE_RTBI: + return "rtbi"; + case PHY_INTERFACE_MODE_SMII: + return "smii"; + case PHY_INTERFACE_MODE_XGMII: + return "xgmii"; + case PHY_INTERFACE_MODE_MOCA: + return "moca"; + case PHY_INTERFACE_MODE_QSGMII: + return "qsgmii"; + default: + return "unknown"; + } +} + #define PHY_INIT_TIMEOUT 100000 #define PHY_STATE_TIME 1 @@ -150,6 +198,13 @@ static inline struct mii_bus *mdiobus_alloc(void) int mdiobus_register(struct mii_bus *bus); void mdiobus_unregister(struct mii_bus *bus); void mdiobus_free(struct mii_bus *bus); +struct mii_bus *devm_mdiobus_alloc_size(struct device *dev, int sizeof_priv); +static inline struct mii_bus *devm_mdiobus_alloc(struct device *dev) +{ + return devm_mdiobus_alloc_size(dev, 0); +} + +void devm_mdiobus_free(struct device *dev, struct mii_bus *bus); struct phy_device *mdiobus_scan(struct mii_bus *bus, int addr); int mdiobus_read(struct mii_bus *bus, int addr, u32 regnum); int mdiobus_write(struct mii_bus *bus, int addr, u32 regnum, u16 val); @@ -308,6 +363,7 @@ struct phy_device { struct phy_c45_device_ids c45_ids; bool is_c45; bool is_internal; + bool has_fixups; enum phy_state state; @@ -394,6 +450,11 @@ struct phy_driver { u32 flags; /* + * Called to issue a PHY software reset + */ + int (*soft_reset)(struct phy_device *phydev); + + /* * Called to initialize the PHY, * including after a reset */ @@ -417,6 +478,9 @@ struct phy_driver { */ int (*config_aneg)(struct phy_device *phydev); + /* Determines the auto negotiation result */ + int (*aneg_done)(struct phy_device *phydev); + /* Determines the negotiated speed and duplex */ int (*read_status)(struct phy_device *phydev); @@ -472,6 +536,15 @@ struct phy_driver { /* See set_wol, but for checking whether Wake on LAN is enabled. */ void (*get_wol)(struct phy_device *dev, struct ethtool_wolinfo *wol); + /* + * Called to inform a PHY device driver when the core is about to + * change the link state. This callback is supposed to be used as + * fixup hook for drivers that need to take action when the link + * state changes. Drivers are by no means allowed to mess with the + * PHY device structure in their implementations. + */ + void (*link_change_notify)(struct phy_device *dev); + struct device_driver driver; }; #define to_phy_driver(d) container_of(d, struct phy_driver, driver) @@ -609,13 +682,16 @@ static inline int phy_read_status(struct phy_device *phydev) return phydev->drv->read_status(phydev); } +int genphy_config_init(struct phy_device *phydev); int genphy_setup_forced(struct phy_device *phydev); int genphy_restart_aneg(struct phy_device *phydev); int genphy_config_aneg(struct phy_device *phydev); +int genphy_aneg_done(struct phy_device *phydev); int genphy_update_link(struct phy_device *phydev); int genphy_read_status(struct phy_device *phydev); int genphy_suspend(struct phy_device *phydev); int genphy_resume(struct phy_device *phydev); +int genphy_soft_reset(struct phy_device *phydev); void phy_driver_unregister(struct phy_driver *drv); void phy_drivers_unregister(struct phy_driver *drv, int n); int phy_driver_register(struct phy_driver *new_driver); |