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android_kernel_samsung_hero.../include/linux/phy.h
HackerOO7 2bd1731e0a init: OSRC G9300ZCU2APF7
2016-08-17 16:41:52 +08:00

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/*
* Framework and drivers for configuring and reading different PHYs
* Based on code in sungem_phy.c and gianfar_phy.c
*
* Author: Andy Fleming
*
* Copyright (c) 2004 Freescale Semiconductor, Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
*/
#ifndef __PHY_H
#define __PHY_H
#include <linux/spinlock.h>
#include <linux/ethtool.h>
#include <linux/mii.h>
#include <linux/timer.h>
#include <linux/workqueue.h>
#include <linux/mod_devicetable.h>
#include <linux/atomic.h>
#define PHY_DEFAULT_FEATURES (SUPPORTED_Autoneg | \
SUPPORTED_TP | \
SUPPORTED_MII)
#define PHY_10BT_FEATURES (SUPPORTED_10baseT_Half | \
SUPPORTED_10baseT_Full)
#define PHY_100BT_FEATURES (SUPPORTED_100baseT_Half | \
SUPPORTED_100baseT_Full)
#define PHY_1000BT_FEATURES (SUPPORTED_1000baseT_Half | \
SUPPORTED_1000baseT_Full)
#define PHY_BASIC_FEATURES (PHY_10BT_FEATURES | \
PHY_100BT_FEATURES | \
PHY_DEFAULT_FEATURES)
#define PHY_GBIT_FEATURES (PHY_BASIC_FEATURES | \
PHY_1000BT_FEATURES)
/*
* Set phydev->irq to PHY_POLL if interrupts are not supported,
* or not desired for this PHY. Set to PHY_IGNORE_INTERRUPT if
* the attached driver handles the interrupt
*/
#define PHY_POLL -1
#define PHY_IGNORE_INTERRUPT -2
#define PHY_HAS_INTERRUPT 0x00000001
#define PHY_HAS_MAGICANEG 0x00000002
#define PHY_IS_INTERNAL 0x00000004
/* Interface Mode definitions */
typedef enum {
PHY_INTERFACE_MODE_NA,
PHY_INTERFACE_MODE_MII,
PHY_INTERFACE_MODE_GMII,
PHY_INTERFACE_MODE_SGMII,
PHY_INTERFACE_MODE_TBI,
PHY_INTERFACE_MODE_REVMII,
PHY_INTERFACE_MODE_RMII,
PHY_INTERFACE_MODE_RGMII,
PHY_INTERFACE_MODE_RGMII_ID,
PHY_INTERFACE_MODE_RGMII_RXID,
PHY_INTERFACE_MODE_RGMII_TXID,
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
#define PHY_FORCE_TIMEOUT 10
#define PHY_AN_TIMEOUT 10
#define PHY_MAX_ADDR 32
/* Used when trying to connect to a specific phy (mii bus id:phy device id) */
#define PHY_ID_FMT "%s:%02x"
/*
* Need to be a little smaller than phydev->dev.bus_id to leave room
* for the ":%02x"
*/
#define MII_BUS_ID_SIZE (20 - 3)
/* Or MII_ADDR_C45 into regnum for read/write on mii_bus to enable the 21 bit
IEEE 802.3ae clause 45 addressing mode used by 10GIGE phy chips. */
#define MII_ADDR_C45 (1<<30)
struct device;
struct sk_buff;
/*
* The Bus class for PHYs. Devices which provide access to
* PHYs should register using this structure
*/
struct mii_bus {
const char *name;
char id[MII_BUS_ID_SIZE];
void *priv;
int (*read)(struct mii_bus *bus, int phy_id, int regnum);
int (*write)(struct mii_bus *bus, int phy_id, int regnum, u16 val);
int (*reset)(struct mii_bus *bus);
/*
* A lock to ensure that only one thing can read/write
* the MDIO bus at a time
*/
struct mutex mdio_lock;
struct device *parent;
enum {
MDIOBUS_ALLOCATED = 1,
MDIOBUS_REGISTERED,
MDIOBUS_UNREGISTERED,
MDIOBUS_RELEASED,
} state;
struct device dev;
/* list of all PHYs on bus */
struct phy_device *phy_map[PHY_MAX_ADDR];
/* PHY addresses to be ignored when probing */
u32 phy_mask;
/*
* Pointer to an array of interrupts, each PHY's
* interrupt at the index matching its address
*/
int *irq;
};
#define to_mii_bus(d) container_of(d, struct mii_bus, dev)
struct mii_bus *mdiobus_alloc_size(size_t);
static inline struct mii_bus *mdiobus_alloc(void)
{
return mdiobus_alloc_size(0);
}
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);
#define PHY_INTERRUPT_DISABLED 0x0
#define PHY_INTERRUPT_ENABLED 0x80000000
/* 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
*
* 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.
* - 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.
*
* 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
* - phy_stop moves to HALTED
*
* FORCING: PHY is being configured with forced settings
* - if link is up, move to RUNNING
* - If link is down, we drop to the next highest setting, and
* retry (FORCING) after a timeout
* - phy_stop moves to HALTED
*
* 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
* - phy_stop moves to HALTED
*
* CHANGELINK: PHY experienced a change in link state
* - timer moves to RUNNING if link
* - timer moves to NOLINK if the link is down
* - phy_stop moves to HALTED
*
* HALTED: PHY is up, but no polling or interrupts are done. Or
* PHY is in an error state.
*
* - phy_start moves to RESUMING
*
* RESUMING: PHY was halted, but now wants to run again.
* - If we are forcing, or aneg is done, timer moves to RUNNING
* - If aneg is not done, timer moves to AN
* - phy_stop moves to HALTED
*/
enum phy_state {
PHY_DOWN = 0,
PHY_STARTING,
PHY_READY,
PHY_PENDING,
PHY_UP,
PHY_AN,
PHY_RUNNING,
PHY_NOLINK,
PHY_FORCING,
PHY_CHANGELINK,
PHY_HALTED,
PHY_RESUMING
};
/**
* struct phy_c45_device_ids - 802.3-c45 Device Identifiers
* @devices_in_package: Bit vector of devices present.
* @device_ids: The device identifer for each present device.
*/
struct phy_c45_device_ids {
u32 devices_in_package;
u32 device_ids[8];
};
/* phy_device: An instance of a PHY
*
* drv: Pointer to the driver for this PHY instance
* bus: Pointer to the bus this PHY is on
* dev: driver model device structure for this PHY
* phy_id: UID for this device found during discovery
* c45_ids: 802.3-c45 Device Identifers if is_c45.
* is_c45: Set to true if this phy uses clause 45 addressing.
* is_internal: Set to true if this phy is internal to a MAC.
* state: state of the PHY for management purposes
* dev_flags: Device-specific flags used by the PHY driver.
* addr: Bus address of PHY
* link_timeout: The number of timer firings to wait before the
* 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 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.
*
* speed, duplex, pause, supported, advertising, lp_advertising,
* and autoneg are used like in mii_if_info
*
* interrupts currently only supports enabled or disabled,
* but could be changed in the future to support enabling
* and disabling specific interrupts
*
* Contains some infrastructure for polling and interrupt
* handling, as well as handling shifts in PHY hardware state
*/
struct phy_device {
/* Information about the PHY type */
/* And management functions */
struct phy_driver *drv;
struct mii_bus *bus;
struct device dev;
u32 phy_id;
struct phy_c45_device_ids c45_ids;
bool is_c45;
bool is_internal;
bool has_fixups;
enum phy_state state;
u32 dev_flags;
phy_interface_t interface;
/* Bus address of the PHY (0-31) */
int addr;
/*
* forced speed & duplex (no autoneg)
* partner speed & duplex & pause (autoneg)
*/
int speed;
int duplex;
int pause;
int asym_pause;
/* The most recently read link state */
int link;
/* 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;
int autoneg;
int link_timeout;
/*
* Interrupt number for this PHY
* -1 means no interrupt
*/
int irq;
/* private data pointer */
/* For use by PHYs to maintain extra state */
void *priv;
/* Interrupt and Polling infrastructure */
struct work_struct phy_queue;
struct delayed_work state_queue;
atomic_t irq_disable;
struct mutex lock;
struct net_device *attached_dev;
void (*adjust_link)(struct net_device *dev);
};
#define to_phy_device(d) container_of(d, struct phy_device, dev)
/* struct phy_driver: Driver structure for a particular PHY type
*
* phy_id: The result of reading the UID registers of this PHY
* type, and ANDing them with the phy_id_mask. This driver
* only works for PHYs with IDs which match this field
* name: The friendly name of this PHY type
* phy_id_mask: Defines the important bits of the phy_id
* features: A list of features (speed, duplex, etc) supported
* by this PHY
* flags: A bitfield defining certain other features this PHY
* supports (like interrupts)
*
* The drivers must implement config_aneg and read_status. All
* other functions are optional. Note that none of these
* functions should be called from interrupt time. The goal is
* for the bus read/write functions to be able to block when the
* bus transaction is happening, and be freed up by an interrupt
* (The MPC85xx has this ability, though it is not currently
* supported in the driver).
*/
struct phy_driver {
u32 phy_id;
char *name;
unsigned int phy_id_mask;
u32 features;
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
*/
int (*config_init)(struct phy_device *phydev);
/*
* Called during discovery. Used to set
* up device-specific structures, if any
*/
int (*probe)(struct phy_device *phydev);
/* PHY Power Management */
int (*suspend)(struct phy_device *phydev);
int (*resume)(struct phy_device *phydev);
/*
* Configures the advertisement and resets
* autonegotiation if phydev->autoneg is on,
* forces the speed to the current settings in phydev
* if phydev->autoneg is off
*/
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);
/* Clears any pending interrupts */
int (*ack_interrupt)(struct phy_device *phydev);
/* Enables or disables interrupts */
int (*config_intr)(struct phy_device *phydev);
/*
* Checks if the PHY generated an interrupt.
* For multi-PHY devices with shared PHY interrupt pin
*/
int (*did_interrupt)(struct phy_device *phydev);
/* Clears up any memory if needed */
void (*remove)(struct phy_device *phydev);
/* Returns true if this is a suitable driver for the given
* phydev. If NULL, matching is based on phy_id and
* phy_id_mask.
*/
int (*match_phy_device)(struct phy_device *phydev);
/* Handles ethtool queries for hardware time stamping. */
int (*ts_info)(struct phy_device *phydev, struct ethtool_ts_info *ti);
/* Handles SIOCSHWTSTAMP ioctl for hardware time stamping. */
int (*hwtstamp)(struct phy_device *phydev, struct ifreq *ifr);
/*
* Requests a Rx timestamp for 'skb'. If the skb is accepted,
* the phy driver promises to deliver it using netif_rx() as
* soon as a timestamp becomes available. One of the
* PTP_CLASS_ values is passed in 'type'. The function must
* return true if the skb is accepted for delivery.
*/
bool (*rxtstamp)(struct phy_device *dev, struct sk_buff *skb, int type);
/*
* Requests a Tx timestamp for 'skb'. The phy driver promises
* to deliver it using skb_complete_tx_timestamp() as soon as a
* timestamp becomes available. One of the PTP_CLASS_ values
* is passed in 'type'.
*/
void (*txtstamp)(struct phy_device *dev, struct sk_buff *skb, int type);
/* Some devices (e.g. qnap TS-119P II) require PHY register changes to
* enable Wake on LAN, so set_wol is provided to be called in the
* ethernet driver's set_wol function. */
int (*set_wol)(struct phy_device *dev, struct ethtool_wolinfo *wol);
/* 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);
/* A function provided by a phy specific driver to override the
* the PHY driver framework support for reading a MMD register
* from the PHY. If not supported, return -1. This function is
* optional for PHY specific drivers, if not provided then the
* default MMD read function is used by the PHY framework.
*/
int (*read_mmd_indirect)(struct phy_device *dev, int ptrad,
int devnum, int regnum);
/* A function provided by a phy specific driver to override the
* the PHY driver framework support for writing a MMD register
* from the PHY. This function is optional for PHY specific drivers,
* if not provided then the default MMD read function is used by
* the PHY framework.
*/
void (*write_mmd_indirect)(struct phy_device *dev, int ptrad,
int devnum, int regnum, u32 val);
struct device_driver driver;
};
#define to_phy_driver(d) container_of(d, struct phy_driver, driver)
#define PHY_ANY_ID "MATCH ANY PHY"
#define PHY_ANY_UID 0xffffffff
/* A Structure for boards to register fixups with the PHY Lib */
struct phy_fixup {
struct list_head list;
char bus_id[20];
u32 phy_uid;
u32 phy_uid_mask;
int (*run)(struct phy_device *phydev);
};
/**
* phy_read_mmd - Convenience function for reading a register
* from an MMD on a given PHY.
* @phydev: The phy_device struct
* @devad: The MMD to read from
* @regnum: The register on the MMD to read
*
* Same rules as for phy_read();
*/
static inline int phy_read_mmd(struct phy_device *phydev, int devad, u32 regnum)
{
if (!phydev->is_c45)
return -EOPNOTSUPP;
return mdiobus_read(phydev->bus, phydev->addr,
MII_ADDR_C45 | (devad << 16) | (regnum & 0xffff));
}
/**
* phy_read_mmd_indirect - reads data from the MMD registers
* @phydev: The PHY device bus
* @prtad: MMD Address
* @devad: MMD DEVAD
* @addr: PHY address on the MII bus
*
* Description: it reads data from the MMD registers (clause 22 to access to
* clause 45) of the specified phy address.
*/
int phy_read_mmd_indirect(struct phy_device *phydev, int prtad,
int devad, int addr);
/**
* phy_read - Convenience function for reading a given PHY register
* @phydev: the phy_device struct
* @regnum: register number to read
*
* NOTE: MUST NOT be called from interrupt context,
* because the bus read/write functions may wait for an interrupt
* to conclude the operation.
*/
static inline int phy_read(struct phy_device *phydev, u32 regnum)
{
return mdiobus_read(phydev->bus, phydev->addr, regnum);
}
/**
* phy_write - Convenience function for writing a given PHY register
* @phydev: the phy_device struct
* @regnum: register number to write
* @val: value to write to @regnum
*
* NOTE: MUST NOT be called from interrupt context,
* because the bus read/write functions may wait for an interrupt
* to conclude the operation.
*/
static inline int phy_write(struct phy_device *phydev, u32 regnum, u16 val)
{
return mdiobus_write(phydev->bus, phydev->addr, regnum, val);
}
/**
* phy_interrupt_is_valid - Convenience function for testing a given PHY irq
* @phydev: the phy_device struct
*
* NOTE: must be kept in sync with addition/removal of PHY_POLL and
* PHY_IGNORE_INTERRUPT
*/
static inline bool phy_interrupt_is_valid(struct phy_device *phydev)
{
return phydev->irq != PHY_POLL && phydev->irq != PHY_IGNORE_INTERRUPT;
}
/**
* phy_is_internal - Convenience function for testing if a PHY is internal
* @phydev: the phy_device struct
*/
static inline bool phy_is_internal(struct phy_device *phydev)
{
return phydev->is_internal;
}
/**
* phy_write_mmd - Convenience function for writing a register
* on an MMD on a given PHY.
* @phydev: The phy_device struct
* @devad: The MMD to read from
* @regnum: The register on the MMD to read
* @val: value to write to @regnum
*
* Same rules as for phy_write();
*/
static inline int phy_write_mmd(struct phy_device *phydev, int devad,
u32 regnum, u16 val)
{
if (!phydev->is_c45)
return -EOPNOTSUPP;
regnum = MII_ADDR_C45 | ((devad & 0x1f) << 16) | (regnum & 0xffff);
return mdiobus_write(phydev->bus, phydev->addr, regnum, val);
}
/**
* phy_write_mmd_indirect - writes data to the MMD registers
* @phydev: The PHY device
* @prtad: MMD Address
* @devad: MMD DEVAD
* @addr: PHY address on the MII bus
* @data: data to write in the MMD register
*
* Description: Write data from the MMD registers of the specified
* phy address.
*/
void phy_write_mmd_indirect(struct phy_device *phydev, int prtad,
int devad, int addr, u32 data);
struct phy_device *phy_device_create(struct mii_bus *bus, int addr, int phy_id,
bool is_c45,
struct phy_c45_device_ids *c45_ids);
struct phy_device *get_phy_device(struct mii_bus *bus, int addr, bool is_c45);
int phy_device_register(struct phy_device *phy);
int phy_init_hw(struct phy_device *phydev);
int phy_suspend(struct phy_device *phydev);
int phy_resume(struct phy_device *phydev);
struct phy_device *phy_attach(struct net_device *dev, const char *bus_id,
phy_interface_t interface);
struct phy_device *phy_find_first(struct mii_bus *bus);
int phy_attach_direct(struct net_device *dev, struct phy_device *phydev,
u32 flags, phy_interface_t interface);
int phy_connect_direct(struct net_device *dev, struct phy_device *phydev,
void (*handler)(struct net_device *),
phy_interface_t interface);
struct phy_device *phy_connect(struct net_device *dev, const char *bus_id,
void (*handler)(struct net_device *),
phy_interface_t interface);
void phy_disconnect(struct phy_device *phydev);
void phy_detach(struct phy_device *phydev);
void phy_start(struct phy_device *phydev);
void phy_stop(struct phy_device *phydev);
int phy_start_aneg(struct phy_device *phydev);
int phy_stop_interrupts(struct phy_device *phydev);
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);
int phy_drivers_register(struct phy_driver *new_driver, int n);
void phy_state_machine(struct work_struct *work);
void phy_change(struct work_struct *work);
void phy_mac_interrupt(struct phy_device *phydev, int new_link);
void phy_start_machine(struct phy_device *phydev);
void phy_stop_machine(struct phy_device *phydev);
int phy_ethtool_sset(struct phy_device *phydev, struct ethtool_cmd *cmd);
int phy_ethtool_gset(struct phy_device *phydev, struct ethtool_cmd *cmd);
int phy_mii_ioctl(struct phy_device *phydev, struct ifreq *ifr, int cmd);
int phy_start_interrupts(struct phy_device *phydev);
void phy_print_status(struct phy_device *phydev);
void phy_device_free(struct phy_device *phydev);
int phy_register_fixup(const char *bus_id, u32 phy_uid, u32 phy_uid_mask,
int (*run)(struct phy_device *));
int phy_register_fixup_for_id(const char *bus_id,
int (*run)(struct phy_device *));
int phy_register_fixup_for_uid(u32 phy_uid, u32 phy_uid_mask,
int (*run)(struct phy_device *));
int phy_init_eee(struct phy_device *phydev, bool clk_stop_enable);
int phy_get_eee_err(struct phy_device *phydev);
int phy_ethtool_set_eee(struct phy_device *phydev, struct ethtool_eee *data);
int phy_ethtool_get_eee(struct phy_device *phydev, struct ethtool_eee *data);
int phy_ethtool_set_wol(struct phy_device *phydev, struct ethtool_wolinfo *wol);
void phy_ethtool_get_wol(struct phy_device *phydev,
struct ethtool_wolinfo *wol);
int __init mdio_bus_init(void);
void mdio_bus_exit(void);
extern struct bus_type mdio_bus_type;
#endif /* __PHY_H */
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