Release 4.12 include/linux/phy.h
/*
* 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/compiler.h>
#include <linux/spinlock.h>
#include <linux/ethtool.h>
#include <linux/mdio.h>
#include <linux/mii.h>
#include <linux/module.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
#define MDIO_DEVICE_IS_PHY 0x80000000
/* 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_TRGMII,
PHY_INTERFACE_MODE_1000BASEX,
PHY_INTERFACE_MODE_2500BASEX,
PHY_INTERFACE_MODE_RXAUI,
PHY_INTERFACE_MODE_MAX,
}
phy_interface_t;
/**
* phy_supported_speeds - return all speeds currently supported by a phy device
* @phy: The phy device to return supported speeds of.
* @speeds: buffer to store supported speeds in.
* @size: size of speeds buffer.
*
* Description: Returns the number of supported speeds, and
* fills the speeds * buffer with the supported speeds. If speeds buffer is
* too small to contain * all currently supported speeds, will return as
* many speeds as can fit.
*/
unsigned int phy_supported_speeds(struct phy_device *phy,
unsigned int *speeds,
unsigned int size);
/**
* 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";
case PHY_INTERFACE_MODE_TRGMII:
return "trgmii";
case PHY_INTERFACE_MODE_1000BASEX:
return "1000base-x";
case PHY_INTERFACE_MODE_2500BASEX:
return "2500base-x";
case PHY_INTERFACE_MODE_RXAUI:
return "rxaui";
default:
return "unknown";
}
}
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| Sean Wang | 6 | 4.23% | 1 | 20.00% |
| Total | 142 | 100.00% | 5 | 100.00% |
#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"
#define MII_BUS_ID_SIZE 61
/* 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 {
struct module *owner;
const char *name;
char id[MII_BUS_ID_SIZE];
void *priv;
int (*read)(struct mii_bus *bus, int addr, int regnum);
int (*write)(struct mii_bus *bus, int addr, 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 mdio_device *mdio_map[PHY_MAX_ADDR];
/* PHY addresses to be ignored when probing */
u32 phy_mask;
/* PHY addresses to ignore the TA/read failure */
u32 phy_ignore_ta_mask;
/*
* An array of interrupts, each PHY's interrupt at the index
* matching its address
*/
int irq[PHY_MAX_ADDR];
/* GPIO reset pulse width in microseconds */
int reset_delay_us;
/* Number of reset GPIOs */
int num_reset_gpios;
/* Array of RESET GPIO descriptors */
struct gpio_desc **reset_gpiod;
};
#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);
}
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int __mdiobus_register(struct mii_bus *bus, struct module *owner);
#define mdiobus_register(bus) __mdiobus_register(bus, THIS_MODULE)
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);
}
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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
/* 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
* 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.
* is_pseudo_fixed_link: Set to true if this phy is an Ethernet switch, etc.
* has_fixups: Set to true if this phy has fixups/quirks.
* suspended: Set to true if this phy has been suspended successfully.
* state: state of the PHY for management purposes
* dev_flags: Device-specific flags used by the PHY driver.
* 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 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.
*
* 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 {
struct mdio_device mdio;
/* Information about the PHY type */
/* And management functions */
struct phy_driver *drv;
u32 phy_id;
struct phy_c45_device_ids c45_ids;
bool is_c45;
bool is_internal;
bool is_pseudo_fixed_link;
bool has_fixups;
bool suspended;
enum phy_state state;
u32 dev_flags;
phy_interface_t interface;
/*
* 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;
/* Energy efficient ethernet modes which should be prohibited */
u32 eee_broken_modes;
int autoneg;
int link_timeout;
#ifdef CONFIG_LED_TRIGGER_PHY
struct phy_led_trigger *phy_led_triggers;
unsigned int phy_num_led_triggers;
struct phy_led_trigger *last_triggered;
#endif
/*
* 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;
u8 mdix;
u8 mdix_ctrl;
void (*adjust_link)(struct net_device *dev);
};
#define to_phy_device(d) container_of(to_mdio_device(d), \
struct phy_device, mdio)
/* struct phy_driver: Driver structure for a particular PHY type
*
* driver_data: static driver data
* 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 {
struct mdio_driver_common mdiodrv;
u32 phy_id;
char *name;
unsigned int phy_id_mask;
u32 features;
u32 flags;
const void *driver_data;
/*
* 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);
/*
* Phy specific driver override for reading a MMD register.
* This function is optional for PHY specific drivers. When
* not provided, the default MMD read function will be used
* by phy_read_mmd(), which will use either a direct read for
* Clause 45 PHYs or an indirect read for Clause 22 PHYs.
* devnum is the MMD device number within the PHY device,
* regnum is the register within the selected MMD device.
*/
int (*read_mmd)(struct phy_device *dev, int devnum, u16 regnum);
/*
* Phy specific driver override for writing a MMD register.
* This function is optional for PHY specific drivers. When
* not provided, the default MMD write function will be used
* by phy_write_mmd(), which will use either a direct write for
* Clause 45 PHYs, or an indirect write for Clause 22 PHYs.
* devnum is the MMD device number within the PHY device,
* regnum is the register within the selected MMD device.
* val is the value to be written.
*/
int (*write_mmd)(struct phy_device *dev, int devnum, u16 regnum,
u16 val);
/* Get the size and type of the eeprom contained within a plug-in
* module */
int (*module_info)(struct phy_device *dev,
struct ethtool_modinfo *modinfo);
/* Get the eeprom information from the plug-in module */
int (*module_eeprom)(struct phy_device *dev,
struct ethtool_eeprom *ee, u8 *data);
/* Get statistics from the phy using ethtool */
int (*get_sset_count)(struct phy_device *dev);
void (*get_strings)(struct phy_device *dev, u8 *data);
void (*get_stats)(struct phy_device *dev,
struct ethtool_stats *stats, u64 *data);
/* Get and Set PHY tunables */
int (*get_tunable)(struct phy_device *dev,
struct ethtool_tunable *tuna, void *data);
int (*set_tunable)(struct phy_device *dev,
struct ethtool_tunable *tuna,
const void *data);
};
#define to_phy_driver(d) container_of(to_mdio_common_driver(d), \
struct phy_driver, mdiodrv)
#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[MII_BUS_ID_SIZE + 3];
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();
*/
int phy_read_mmd(struct phy_device *phydev, int devad, u32 regnum);
/**
* 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->mdio.bus, phydev->mdio.addr, regnum);
}
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| Andrew Lunn | 4 | 12.12% | 1 | 25.00% |
| Jason Gunthorpe | 1 | 3.03% | 1 | 25.00% |
| Total | 33 | 100.00% | 4 | 100.00% |
/**
* 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->mdio.bus, phydev->mdio.addr, regnum, val);
}
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| Andrew Lunn | 4 | 10.53% | 1 | 25.00% |
| Jason Gunthorpe | 1 | 2.63% | 1 | 25.00% |
| Total | 38 | 100.00% | 4 | 100.00% |
/**
* 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;
}
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| Total | 25 | 100.00% | 1 | 100.00% |
/**
* 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;
}
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| Total | 17 | 100.00% | 1 | 100.00% |
/**
* phy_interface_is_rgmii - Convenience function for testing if a PHY interface
* is RGMII (all variants)
* @phydev: the phy_device struct
*/
static inline bool phy_interface_is_rgmii(struct phy_device *phydev)
{
return phydev->interface >= PHY_INTERFACE_MODE_RGMII &&
phydev->interface <= PHY_INTERFACE_MODE_RGMII_TXID;
}Contributors
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;
/*
* phy_is_pseudo_fixed_link - Convenience function for testing if this
* PHY is the CPU port facing side of an Ethernet switch, or similar.
* @phydev: the phy_device struct
*/
static inline bool phy_is_pseudo_fixed_link(struct phy_device *phydev)
{
return phydev->is_pseudo_fixed_link;
}
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/**
* 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();
*/
int phy_write_mmd(struct phy_device *phydev, int devad, u32 regnum, u16 val);
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);
#if IS_ENABLED(CONFIG_PHYLIB)
struct phy_device *get_phy_device(struct mii_bus *bus, int addr, bool is_c45);
int phy_device_register(struct phy_device *phy);
void phy_device_free(struct phy_device *phydev);
#else
static inline
struct phy_device *get_phy_device(struct mii_bus *bus, int addr, bool is_c45)
{
return NULL;
}
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static inline int phy_device_register(struct phy_device *phy)
{
return 0;
}
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static inline void phy_device_free(struct phy_device *phydev) { }
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#endif /* CONFIG_PHYLIB */
void phy_device_remove(struct phy_device *phydev);
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_aneg_done(struct phy_device *phydev);
int phy_stop_interrupts(struct phy_device *phydev);
static inline int phy_read_status(struct phy_device *phydev)
{
if (!phydev->drv)
return -EIO;
return phydev->drv->read_status(phydev);
}
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#define phydev_err(_phydev, format, args...) \
dev_err(&_phydev->mdio.dev, format, ##args)
#define phydev_dbg(_phydev, format, args...) \
dev_dbg(&_phydev->mdio.dev, format, ##args);
static inline const char *phydev_name(const struct phy_device *phydev)
{
return dev_name(&phydev->mdio.dev);
}
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void phy_attached_print(struct phy_device *phydev, const char *fmt, ...)
__printf(2, 3);
void phy_attached_info(struct phy_device *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);
static inline int genphy_no_soft_reset(struct phy_device *phydev)
{
return 0;
}
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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, 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(struct phy_device *phydev);
void phy_change_work(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);
void phy_trigger_machine(struct phy_device *phydev, bool sync);
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_ethtool_ksettings_get(struct phy_device *phydev,
struct ethtool_link_ksettings *cmd);
int phy_ethtool_ksettings_set(struct phy_device *phydev,
const struct ethtool_link_ksettings *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);
int phy_set_max_speed(struct phy_device *phydev, u32 max_speed);
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_unregister_fixup(const char *bus_id, u32 phy_uid, u32 phy_uid_mask);
int phy_unregister_fixup_for_id(const char *bus_id);
int phy_unregister_fixup_for_uid(u32 phy_uid, u32 phy_uid_mask);
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 phy_ethtool_get_link_ksettings(struct net_device *ndev,
struct ethtool_link_ksettings *cmd);
int phy_ethtool_set_link_ksettings(struct net_device *ndev,
const struct ethtool_link_ksettings *cmd);
int phy_ethtool_nway_reset(struct net_device *ndev);
#if IS_ENABLED(CONFIG_PHYLIB)
int __init mdio_bus_init(void);
void mdio_bus_exit(void);
#endif
extern struct bus_type mdio_bus_type;
struct mdio_board_info {
const char *bus_id;
char modalias[MDIO_NAME_SIZE];
int mdio_addr;
const void *platform_data;
};
#if IS_ENABLED(CONFIG_MDIO_DEVICE)
int mdiobus_register_board_info(const struct mdio_board_info *info,
unsigned int n);
#else
static inline int mdiobus_register_board_info(const struct mdio_board_info *i,
unsigned int n)
{
return 0;
}
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#endif
/**
* module_phy_driver() - Helper macro for registering PHY drivers
* @__phy_drivers: array of PHY drivers to register
*
* Helper macro for PHY drivers which do not do anything special in module
* init/exit. Each module may only use this macro once, and calling it
* replaces module_init() and module_exit().
*/
#define phy_module_driver(__phy_drivers, __count) \
static int __init phy_module_init(void) \
{ \
return phy_drivers_register(__phy_drivers, __count, THIS_MODULE); \
} \
module_init(phy_module_init); \
static void __exit phy_module_exit(void) \
{ \
phy_drivers_unregister(__phy_drivers, __count); \
} \
module_exit(phy_module_exit)
#define module_phy_driver(__phy_drivers) \
phy_module_driver(__phy_drivers, ARRAY_SIZE(__phy_drivers))
#endif /* __PHY_H */
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| Person | Tokens | Prop | Commits | CommitProp |
| Andy Fleming | 927 | 34.45% | 10 | 9.26% |
| Florian Fainelli | 494 | 18.36% | 22 | 20.37% |
| Andrew Lunn | 215 | 7.99% | 13 | 12.04% |
| Lennert Buytenhek | 112 | 4.16% | 3 | 2.78% |
| Richard Cochran | 80 | 2.97% | 4 | 3.70% |
| Russell King | 73 | 2.71% | 4 | 3.70% |
| Giuseppe Cavallaro | 67 | 2.49% | 2 | 1.85% |
| Michael Stapelberg | 64 | 2.38% | 1 | 0.93% |
| David Daney | 63 | 2.34% | 2 | 1.85% |
| Philippe Reynes | 58 | 2.16% | 2 | 1.85% |
| Grygorii Strashko | 50 | 1.86% | 1 | 0.93% |
| Raju Lakkaraju | 47 | 1.75% | 2 | 1.85% |
| Ed Swierk | 40 | 1.49% | 1 | 0.93% |
| Zach Brown | 39 | 1.45% | 2 | 1.85% |
| Grant C. Likely | 37 | 1.37% | 2 | 1.85% |
| Woojung Huh | 34 | 1.26% | 1 | 0.93% |
| Christian Hohnstaedt | 24 | 0.89% | 1 | 0.93% |
| Johan Hovold | 23 | 0.85% | 2 | 1.85% |
| Daniel Mack | 22 | 0.82% | 2 | 1.85% |
| Timur Tabi | 19 | 0.71% | 1 | 0.93% |
| Sebastian Hesselbarth | 18 | 0.67% | 1 | 0.93% |
| Anton Vorontsov | 17 | 0.63% | 2 | 1.85% |
| Roger Quadros | 15 | 0.56% | 1 | 0.93% |
| Maciej W. Rozycki | 15 | 0.56% | 2 | 1.85% |
| Anatolij Gustschin | 13 | 0.48% | 1 | 0.93% |
| Alexander Kochetkov | 12 | 0.45% | 1 | 0.93% |
| Simon Horman | 12 | 0.45% | 1 | 0.93% |
| Jiri Pirko | 11 | 0.41% | 1 | 0.93% |
| Madalin Bucur | 9 | 0.33% | 1 | 0.93% |
| Tom Lendacky | 9 | 0.33% | 1 | 0.93% |
| Sean Wang | 8 | 0.30% | 1 | 0.93% |
| Thomas Petazzoni | 8 | 0.30% | 1 | 0.93% |
| Nate Case | 7 | 0.26% | 1 | 0.93% |
| Jason Gunthorpe | 7 | 0.26% | 1 | 0.93% |
| Kim Phillips | 6 | 0.22% | 2 | 1.85% |
| Paul Gortmaker | 6 | 0.22% | 1 | 0.93% |
| Shawn Guo | 5 | 0.19% | 1 | 0.93% |
| Jerome Brunet | 4 | 0.15% | 1 | 0.93% |
| Kumar Gala | 4 | 0.15% | 1 | 0.93% |
| Volodymyr Bendiuga | 4 | 0.15% | 1 | 0.93% |
| David Thomson | 3 | 0.11% | 1 | 0.93% |
| Matt Porter | 3 | 0.11% | 1 | 0.93% |
| David Woodhouse | 3 | 0.11% | 1 | 0.93% |
| Marcin Ślusarz | 1 | 0.04% | 1 | 0.93% |
| Peter Meerwald-Stadler | 1 | 0.04% | 1 | 0.93% |
| Arun Sharma | 1 | 0.04% | 1 | 0.93% |
| Sergei Shtylyov | 1 | 0.04% | 1 | 0.93% |
| Total | 2691 | 100.00% | 108 | 100.00% |
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