diff options
Diffstat (limited to 'include/linux/phy.h')
| -rw-r--r-- | include/linux/phy.h | 114 |
1 files changed, 51 insertions, 63 deletions
diff --git a/include/linux/phy.h b/include/linux/phy.h index 3ea87f774a76..da039f211c22 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -58,6 +58,11 @@ extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_10gbit_full_features) __ro_after_ini #define PHY_10GBIT_FEATURES ((unsigned long *)&phy_10gbit_features) #define PHY_10GBIT_FULL_FEATURES ((unsigned long *)&phy_10gbit_full_features) +extern const int phy_10_100_features_array[4]; +extern const int phy_basic_t1_features_array[2]; +extern const int phy_gbit_features_array[2]; +extern const int phy_10gbit_features_array[1]; + /* * Set phydev->irq to PHY_POLL if interrupts are not supported, * or not desired for this PHY. Set to PHY_IGNORE_INTERRUPT if @@ -66,9 +71,8 @@ extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_10gbit_full_features) __ro_after_ini #define PHY_POLL -1 #define PHY_IGNORE_INTERRUPT -2 -#define PHY_HAS_INTERRUPT 0x00000001 -#define PHY_IS_INTERNAL 0x00000002 -#define PHY_RST_AFTER_CLK_EN 0x00000004 +#define PHY_IS_INTERNAL 0x00000001 +#define PHY_RST_AFTER_CLK_EN 0x00000002 #define MDIO_DEVICE_IS_PHY 0x80000000 /* Interface Mode definitions */ @@ -178,7 +182,6 @@ static inline const char *phy_modes(phy_interface_t interface) #define PHY_INIT_TIMEOUT 100000 #define PHY_STATE_TIME 1 #define PHY_FORCE_TIMEOUT 10 -#define PHY_AN_TIMEOUT 10 #define PHY_MAX_ADDR 32 @@ -264,57 +267,27 @@ static inline struct mii_bus *devm_mdiobus_alloc(struct device *dev) void devm_mdiobus_free(struct device *dev, struct mii_bus *bus); struct phy_device *mdiobus_scan(struct mii_bus *bus, int addr); -#define PHY_INTERRUPT_DISABLED 0x0 -#define PHY_INTERRUPT_ENABLED 0x80000000 +#define PHY_INTERRUPT_DISABLED false +#define PHY_INTERRUPT_ENABLED true /* PHY state machine states: * * DOWN: PHY device and driver are not ready for anything. probe * should be called if and only if the PHY is in this state, * given that the PHY device exists. - * - PHY driver probe function will, depending on the PHY, set - * the state to STARTING or READY - * - * STARTING: PHY device is coming up, and the ethernet driver is - * not ready. PHY drivers may set this in the probe function. - * If they do, they are responsible for making sure the state is - * eventually set to indicate whether the PHY is UP or READY, - * depending on the state when the PHY is done starting up. - * - PHY driver will set the state to READY - * - start will set the state to PENDING + * - PHY driver probe function will set the state to READY * * READY: PHY is ready to send and receive packets, but the * controller is not. By default, PHYs which do not implement - * probe will be set to this state by phy_probe(). If the PHY - * driver knows the PHY is ready, and the PHY state is STARTING, - * then it sets this STATE. + * probe will be set to this state by phy_probe(). * - start will set the state to UP * - * PENDING: PHY device is coming up, but the ethernet driver is - * ready. phy_start will set this state if the PHY state is - * STARTING. - * - PHY driver will set the state to UP when the PHY is ready - * * UP: The PHY and attached device are ready to do work. * Interrupts should be started here. - * - timer moves to AN - * - * AN: The PHY is currently negotiating the link state. Link is - * therefore down for now. phy_timer will set this state when it - * detects the state is UP. config_aneg will set this state - * whenever called with phydev->autoneg set to AUTONEG_ENABLE. - * - If autonegotiation finishes, but there's no link, it sets - * the state to NOLINK. - * - If aneg finishes with link, it sets the state to RUNNING, - * and calls adjust_link - * - If autonegotiation did not finish after an arbitrary amount - * of time, autonegotiation should be tried again if the PHY - * supports "magic" autonegotiation (back to AN) - * - If it didn't finish, and no magic_aneg, move to FORCING. + * - timer moves to NOLINK or RUNNING * * NOLINK: PHY is up, but not currently plugged in. - * - If the timer notes that the link comes back, we move to RUNNING - * - config_aneg moves to AN + * - irq or timer will set RUNNING if link comes back * - phy_stop moves to HALTED * * FORCING: PHY is being configured with forced settings @@ -325,11 +298,7 @@ struct phy_device *mdiobus_scan(struct mii_bus *bus, int addr); * * RUNNING: PHY is currently up, running, and possibly sending * and/or receiving packets - * - timer will set CHANGELINK if we're polling (this ensures the - * link state is polled every other cycle of this state machine, - * which makes it every other second) - * - irq will set CHANGELINK - * - config_aneg will set AN + * - irq or timer will set NOLINK if link goes down * - phy_stop moves to HALTED * * CHANGELINK: PHY experienced a change in link state @@ -349,16 +318,13 @@ struct phy_device *mdiobus_scan(struct mii_bus *bus, int addr); */ enum phy_state { PHY_DOWN = 0, - PHY_STARTING, PHY_READY, - PHY_PENDING, + PHY_HALTED, PHY_UP, - PHY_AN, PHY_RUNNING, PHY_NOLINK, PHY_FORCING, PHY_CHANGELINK, - PHY_HALTED, PHY_RESUMING }; @@ -390,7 +356,6 @@ struct phy_c45_device_ids { * giving up on the current attempt at acquiring a link * irq: IRQ number of the PHY's interrupt (-1 if none) * phy_timer: The timer for handling the state machine - * phy_queue: A work_queue for the phy_mac_interrupt * attached_dev: The attached enet driver's device instance ptr * adjust_link: Callback for the enet controller to respond to * changes in the link state. @@ -427,6 +392,9 @@ struct phy_device { /* The most recently read link state */ unsigned link:1; + /* Interrupts are enabled */ + unsigned interrupts:1; + enum phy_state state; u32 dev_flags; @@ -442,14 +410,11 @@ struct phy_device { int pause; int asym_pause; - /* Enabled Interrupts */ - u32 interrupts; - - /* Union of PHY and Attached devices' supported modes */ - /* See mii.h for more info */ - u32 supported; - u32 advertising; - u32 lp_advertising; + /* Union of PHY and Attached devices' supported link modes */ + /* See ethtool.h for more info */ + __ETHTOOL_DECLARE_LINK_MODE_MASK(supported); + __ETHTOOL_DECLARE_LINK_MODE_MASK(advertising); + __ETHTOOL_DECLARE_LINK_MODE_MASK(lp_advertising); /* Energy efficient ethernet modes which should be prohibited */ u32 eee_broken_modes; @@ -475,7 +440,6 @@ struct phy_device { void *priv; /* Interrupt and Polling infrastructure */ - struct work_struct phy_queue; struct delayed_work state_queue; struct mutex lock; @@ -674,6 +638,10 @@ struct phy_driver { #define PHY_ANY_ID "MATCH ANY PHY" #define PHY_ANY_UID 0xffffffff +#define PHY_ID_MATCH_EXACT(id) .phy_id = (id), .phy_id_mask = GENMASK(31, 0) +#define PHY_ID_MATCH_MODEL(id) .phy_id = (id), .phy_id_mask = GENMASK(31, 4) +#define PHY_ID_MATCH_VENDOR(id) .phy_id = (id), .phy_id_mask = GENMASK(31, 10) + /* A Structure for boards to register fixups with the PHY Lib */ struct phy_fixup { struct list_head list; @@ -697,9 +665,31 @@ struct phy_setting { const struct phy_setting * phy_lookup_setting(int speed, int duplex, const unsigned long *mask, - size_t maxbit, bool exact); + bool exact); size_t phy_speeds(unsigned int *speeds, size_t size, - unsigned long *mask, size_t maxbit); + unsigned long *mask); + +static inline bool __phy_is_started(struct phy_device *phydev) +{ + WARN_ON(!mutex_is_locked(&phydev->lock)); + + return phydev->state >= PHY_UP; +} + +/** + * phy_is_started - Convenience function to check whether PHY is started + * @phydev: The phy_device struct + */ +static inline bool phy_is_started(struct phy_device *phydev) +{ + bool started; + + mutex_lock(&phydev->lock); + started = __phy_is_started(phydev); + mutex_unlock(&phydev->lock); + + return started; +} void phy_resolve_aneg_linkmode(struct phy_device *phydev); @@ -1050,11 +1040,9 @@ int phy_driver_register(struct phy_driver *new_driver, struct module *owner); int phy_drivers_register(struct phy_driver *new_driver, int n, struct module *owner); void phy_state_machine(struct work_struct *work); -void phy_change_work(struct work_struct *work); void phy_mac_interrupt(struct phy_device *phydev); void phy_start_machine(struct phy_device *phydev); void phy_stop_machine(struct phy_device *phydev); -void phy_trigger_machine(struct phy_device *phydev); int phy_ethtool_sset(struct phy_device *phydev, struct ethtool_cmd *cmd); void phy_ethtool_ksettings_get(struct phy_device *phydev, struct ethtool_link_ksettings *cmd); |