mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-31 16:38:12 +00:00
fcbd30d09b
it is sometimes necessary to poll a phy register by phy_read() function until its value satisfies some condition. introduce phy_read_poll_timeout() macros that do this. Suggested-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Dejin Zheng <zhengdejin5@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
1443 lines
45 KiB
C
1443 lines
45 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
/*
|
|
* Framework and drivers for configuring and reading different PHYs
|
|
* Based on code in sungem_phy.c and (long-removed) gianfar_phy.c
|
|
*
|
|
* Author: Andy Fleming
|
|
*
|
|
* Copyright (c) 2004 Freescale Semiconductor, Inc.
|
|
*/
|
|
|
|
#ifndef __PHY_H
|
|
#define __PHY_H
|
|
|
|
#include <linux/compiler.h>
|
|
#include <linux/spinlock.h>
|
|
#include <linux/ethtool.h>
|
|
#include <linux/linkmode.h>
|
|
#include <linux/mdio.h>
|
|
#include <linux/mii.h>
|
|
#include <linux/mii_timestamper.h>
|
|
#include <linux/module.h>
|
|
#include <linux/timer.h>
|
|
#include <linux/workqueue.h>
|
|
#include <linux/mod_devicetable.h>
|
|
#include <linux/u64_stats_sync.h>
|
|
#include <linux/irqreturn.h>
|
|
#include <linux/iopoll.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)
|
|
|
|
extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_basic_features) __ro_after_init;
|
|
extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_basic_t1_features) __ro_after_init;
|
|
extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_gbit_features) __ro_after_init;
|
|
extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_gbit_fibre_features) __ro_after_init;
|
|
extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_gbit_all_ports_features) __ro_after_init;
|
|
extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_10gbit_features) __ro_after_init;
|
|
extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_10gbit_fec_features) __ro_after_init;
|
|
extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_10gbit_full_features) __ro_after_init;
|
|
|
|
#define PHY_BASIC_FEATURES ((unsigned long *)&phy_basic_features)
|
|
#define PHY_BASIC_T1_FEATURES ((unsigned long *)&phy_basic_t1_features)
|
|
#define PHY_GBIT_FEATURES ((unsigned long *)&phy_gbit_features)
|
|
#define PHY_GBIT_FIBRE_FEATURES ((unsigned long *)&phy_gbit_fibre_features)
|
|
#define PHY_GBIT_ALL_PORTS_FEATURES ((unsigned long *)&phy_gbit_all_ports_features)
|
|
#define PHY_10GBIT_FEATURES ((unsigned long *)&phy_10gbit_features)
|
|
#define PHY_10GBIT_FEC_FEATURES ((unsigned long *)&phy_10gbit_fec_features)
|
|
#define PHY_10GBIT_FULL_FEATURES ((unsigned long *)&phy_10gbit_full_features)
|
|
|
|
extern const int phy_basic_ports_array[3];
|
|
extern const int phy_fibre_port_array[1];
|
|
extern const int phy_all_ports_features_array[7];
|
|
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
|
|
* the attached driver handles the interrupt
|
|
*/
|
|
#define PHY_POLL -1
|
|
#define PHY_IGNORE_INTERRUPT -2
|
|
|
|
#define PHY_IS_INTERNAL 0x00000001
|
|
#define PHY_RST_AFTER_CLK_EN 0x00000002
|
|
#define MDIO_DEVICE_IS_PHY 0x80000000
|
|
|
|
/* Interface Mode definitions */
|
|
typedef enum {
|
|
PHY_INTERFACE_MODE_NA,
|
|
PHY_INTERFACE_MODE_INTERNAL,
|
|
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_XLGMII,
|
|
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_XAUI,
|
|
/* 10GBASE-R, XFI, SFI - single lane 10G Serdes */
|
|
PHY_INTERFACE_MODE_10GBASER,
|
|
PHY_INTERFACE_MODE_USXGMII,
|
|
/* 10GBASE-KR - with Clause 73 AN */
|
|
PHY_INTERFACE_MODE_10GKR,
|
|
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);
|
|
|
|
/**
|
|
* phy_modes - map phy_interface_t enum to device tree binding of phy-mode
|
|
* @interface: enum phy_interface_t value
|
|
*
|
|
* Description: maps 'enum phy_interface_t' defined in this file
|
|
* 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_INTERNAL:
|
|
return "internal";
|
|
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_XLGMII:
|
|
return "xlgmii";
|
|
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";
|
|
case PHY_INTERFACE_MODE_XAUI:
|
|
return "xaui";
|
|
case PHY_INTERFACE_MODE_10GBASER:
|
|
return "10gbase-r";
|
|
case PHY_INTERFACE_MODE_USXGMII:
|
|
return "usxgmii";
|
|
case PHY_INTERFACE_MODE_10GKR:
|
|
return "10gbase-kr";
|
|
default:
|
|
return "unknown";
|
|
}
|
|
}
|
|
|
|
|
|
#define PHY_INIT_TIMEOUT 100000
|
|
#define PHY_FORCE_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)
|
|
#define MII_DEVADDR_C45_SHIFT 16
|
|
#define MII_REGADDR_C45_MASK GENMASK(15, 0)
|
|
|
|
struct device;
|
|
struct phylink;
|
|
struct sfp_bus;
|
|
struct sfp_upstream_ops;
|
|
struct sk_buff;
|
|
|
|
struct mdio_bus_stats {
|
|
u64_stats_t transfers;
|
|
u64_stats_t errors;
|
|
u64_stats_t writes;
|
|
u64_stats_t reads;
|
|
/* Must be last, add new statistics above */
|
|
struct u64_stats_sync syncp;
|
|
};
|
|
|
|
/*
|
|
* 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);
|
|
struct mdio_bus_stats stats[PHY_MAX_ADDR];
|
|
|
|
/*
|
|
* 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;
|
|
/* RESET GPIO descriptor pointer */
|
|
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);
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
struct mii_bus *mdio_find_bus(const char *mdio_name);
|
|
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 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 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().
|
|
* - start will set the state to UP
|
|
*
|
|
* UP: The PHY and attached device are ready to do work.
|
|
* Interrupts should be started here.
|
|
* - timer moves to NOLINK or RUNNING
|
|
*
|
|
* NOLINK: PHY is up, but not currently plugged in.
|
|
* - irq or timer will set RUNNING if link comes back
|
|
* - phy_stop moves to HALTED
|
|
*
|
|
* RUNNING: PHY is currently up, running, and possibly sending
|
|
* and/or receiving packets
|
|
* - irq or timer will set NOLINK if link goes 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 UP
|
|
*/
|
|
enum phy_state {
|
|
PHY_DOWN = 0,
|
|
PHY_READY,
|
|
PHY_HALTED,
|
|
PHY_UP,
|
|
PHY_RUNNING,
|
|
PHY_NOLINK,
|
|
};
|
|
|
|
/**
|
|
* 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];
|
|
};
|
|
|
|
struct macsec_context;
|
|
struct macsec_ops;
|
|
|
|
/* 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.
|
|
* is_gigabit_capable: Set to true if PHY supports 1000Mbps
|
|
* has_fixups: Set to true if this phy has fixups/quirks.
|
|
* suspended: Set to true if this phy has been suspended successfully.
|
|
* suspended_by_mdio_bus: Set to true if this phy was suspended by MDIO bus.
|
|
* sysfs_links: Internal boolean tracking sysfs symbolic links setup/removal.
|
|
* loopback_enabled: Set true if this phy has been loopbacked successfully.
|
|
* downshifted_rate: Set true if link speed has been downshifted.
|
|
* state: state of the PHY for management purposes
|
|
* dev_flags: Device-specific flags used by the PHY driver.
|
|
* irq: IRQ number of the PHY's interrupt (-1 if none)
|
|
* phy_timer: The timer for handling the state machine
|
|
* sfp_bus_attached: flag indicating whether the SFP bus has been attached
|
|
* sfp_bus: SFP bus attached to this PHY's fiber port
|
|
* 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.
|
|
* macsec_ops: MACsec offloading ops.
|
|
*
|
|
* 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;
|
|
unsigned is_c45:1;
|
|
unsigned is_internal:1;
|
|
unsigned is_pseudo_fixed_link:1;
|
|
unsigned is_gigabit_capable:1;
|
|
unsigned has_fixups:1;
|
|
unsigned suspended:1;
|
|
unsigned suspended_by_mdio_bus:1;
|
|
unsigned sysfs_links:1;
|
|
unsigned loopback_enabled:1;
|
|
unsigned downshifted_rate:1;
|
|
|
|
unsigned autoneg:1;
|
|
/* The most recently read link state */
|
|
unsigned link:1;
|
|
unsigned autoneg_complete:1;
|
|
|
|
/* Interrupts are enabled */
|
|
unsigned interrupts:1;
|
|
|
|
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;
|
|
|
|
/* 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);
|
|
/* used with phy_speed_down */
|
|
__ETHTOOL_DECLARE_LINK_MODE_MASK(adv_old);
|
|
|
|
/* Energy efficient ethernet modes which should be prohibited */
|
|
u32 eee_broken_modes;
|
|
|
|
#ifdef CONFIG_LED_TRIGGER_PHY
|
|
struct phy_led_trigger *phy_led_triggers;
|
|
unsigned int phy_num_led_triggers;
|
|
struct phy_led_trigger *last_triggered;
|
|
|
|
struct phy_led_trigger *led_link_trigger;
|
|
#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 delayed_work state_queue;
|
|
|
|
struct mutex lock;
|
|
|
|
/* This may be modified under the rtnl lock */
|
|
bool sfp_bus_attached;
|
|
struct sfp_bus *sfp_bus;
|
|
struct phylink *phylink;
|
|
struct net_device *attached_dev;
|
|
struct mii_timestamper *mii_ts;
|
|
|
|
u8 mdix;
|
|
u8 mdix_ctrl;
|
|
|
|
void (*phy_link_change)(struct phy_device *, bool up, bool do_carrier);
|
|
void (*adjust_link)(struct net_device *dev);
|
|
|
|
#if IS_ENABLED(CONFIG_MACSEC)
|
|
/* MACsec management functions */
|
|
const struct macsec_ops *macsec_ops;
|
|
#endif
|
|
};
|
|
#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 mandatory list of features (speed, duplex, etc)
|
|
* supported by this PHY
|
|
* flags: A bitfield defining certain other features this PHY
|
|
* supports (like interrupts)
|
|
*
|
|
* All functions are optional. If config_aneg or read_status
|
|
* are not implemented, the phy core uses the genphy versions.
|
|
* 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;
|
|
u32 phy_id_mask;
|
|
const unsigned long * const 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);
|
|
|
|
/*
|
|
* Probe the hardware to determine what abilities it has.
|
|
* Should only set phydev->supported.
|
|
*/
|
|
int (*get_features)(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
|
|
* Set interrupt bits have to be cleared.
|
|
*/
|
|
int (*did_interrupt)(struct phy_device *phydev);
|
|
|
|
/* Override default interrupt handling */
|
|
irqreturn_t (*handle_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);
|
|
|
|
/* 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);
|
|
|
|
int (*read_page)(struct phy_device *dev);
|
|
int (*write_page)(struct phy_device *dev, int page);
|
|
|
|
/* 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);
|
|
int (*set_loopback)(struct phy_device *dev, bool enable);
|
|
};
|
|
#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
|
|
|
|
#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;
|
|
char bus_id[MII_BUS_ID_SIZE + 3];
|
|
u32 phy_uid;
|
|
u32 phy_uid_mask;
|
|
int (*run)(struct phy_device *phydev);
|
|
};
|
|
|
|
const char *phy_speed_to_str(int speed);
|
|
const char *phy_duplex_to_str(unsigned int duplex);
|
|
|
|
/* A structure for mapping a particular speed and duplex
|
|
* combination to a particular SUPPORTED and ADVERTISED value
|
|
*/
|
|
struct phy_setting {
|
|
u32 speed;
|
|
u8 duplex;
|
|
u8 bit;
|
|
};
|
|
|
|
const struct phy_setting *
|
|
phy_lookup_setting(int speed, int duplex, const unsigned long *mask,
|
|
bool exact);
|
|
size_t phy_speeds(unsigned int *speeds, size_t size,
|
|
unsigned long *mask);
|
|
void of_set_phy_supported(struct phy_device *phydev);
|
|
void of_set_phy_eee_broken(struct phy_device *phydev);
|
|
int phy_speed_down_core(struct phy_device *phydev);
|
|
|
|
/**
|
|
* 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)
|
|
{
|
|
return phydev->state >= PHY_UP;
|
|
}
|
|
|
|
void phy_resolve_aneg_pause(struct phy_device *phydev);
|
|
void phy_resolve_aneg_linkmode(struct phy_device *phydev);
|
|
void phy_check_downshift(struct phy_device *phydev);
|
|
|
|
/**
|
|
* 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);
|
|
}
|
|
|
|
#define phy_read_poll_timeout(phydev, regnum, val, cond, sleep_us, \
|
|
timeout_us, sleep_before_read) \
|
|
({ \
|
|
int __ret = read_poll_timeout(phy_read, val, (cond) || val < 0, \
|
|
sleep_us, timeout_us, sleep_before_read, phydev, regnum); \
|
|
if (val < 0) \
|
|
__ret = val; \
|
|
if (__ret) \
|
|
phydev_err(phydev, "%s failed: %d\n", __func__, __ret); \
|
|
__ret; \
|
|
})
|
|
|
|
|
|
/**
|
|
* __phy_read - convenience function for reading a given PHY register
|
|
* @phydev: the phy_device struct
|
|
* @regnum: register number to read
|
|
*
|
|
* The caller must have taken the MDIO bus lock.
|
|
*/
|
|
static inline int __phy_read(struct phy_device *phydev, u32 regnum)
|
|
{
|
|
return __mdiobus_read(phydev->mdio.bus, phydev->mdio.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->mdio.bus, phydev->mdio.addr, regnum, val);
|
|
}
|
|
|
|
/**
|
|
* __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
|
|
*
|
|
* The caller must have taken the MDIO bus lock.
|
|
*/
|
|
static inline int __phy_write(struct phy_device *phydev, u32 regnum, u16 val)
|
|
{
|
|
return __mdiobus_write(phydev->mdio.bus, phydev->mdio.addr, regnum,
|
|
val);
|
|
}
|
|
|
|
/**
|
|
* __phy_modify_changed() - Convenience function for modifying a PHY register
|
|
* @phydev: a pointer to a &struct phy_device
|
|
* @regnum: register number
|
|
* @mask: bit mask of bits to clear
|
|
* @set: bit mask of bits to set
|
|
*
|
|
* Unlocked helper function which allows a PHY register to be modified as
|
|
* new register value = (old register value & ~mask) | set
|
|
*
|
|
* Returns negative errno, 0 if there was no change, and 1 in case of change
|
|
*/
|
|
static inline int __phy_modify_changed(struct phy_device *phydev, u32 regnum,
|
|
u16 mask, u16 set)
|
|
{
|
|
return __mdiobus_modify_changed(phydev->mdio.bus, phydev->mdio.addr,
|
|
regnum, mask, set);
|
|
}
|
|
|
|
/**
|
|
* 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);
|
|
|
|
#define phy_read_mmd_poll_timeout(phydev, devaddr, regnum, val, cond, \
|
|
sleep_us, timeout_us, sleep_before_read) \
|
|
({ \
|
|
int __ret = read_poll_timeout(phy_read_mmd, val, (cond) || val < 0, \
|
|
sleep_us, timeout_us, sleep_before_read, \
|
|
phydev, devaddr, regnum); \
|
|
if (val < 0) \
|
|
__ret = val; \
|
|
if (__ret) \
|
|
phydev_err(phydev, "%s failed: %d\n", __func__, __ret); \
|
|
__ret; \
|
|
})
|
|
|
|
/**
|
|
* __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_write_mmd - Convenience function for writing a register
|
|
* on an MMD on a given PHY.
|
|
* @phydev: The phy_device struct
|
|
* @devad: The MMD to write to
|
|
* @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);
|
|
|
|
/**
|
|
* __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 write to
|
|
* @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);
|
|
|
|
int __phy_modify_changed(struct phy_device *phydev, u32 regnum, u16 mask,
|
|
u16 set);
|
|
int phy_modify_changed(struct phy_device *phydev, u32 regnum, u16 mask,
|
|
u16 set);
|
|
int __phy_modify(struct phy_device *phydev, u32 regnum, u16 mask, u16 set);
|
|
int phy_modify(struct phy_device *phydev, u32 regnum, u16 mask, u16 set);
|
|
|
|
int __phy_modify_mmd_changed(struct phy_device *phydev, int devad, u32 regnum,
|
|
u16 mask, u16 set);
|
|
int phy_modify_mmd_changed(struct phy_device *phydev, int devad, u32 regnum,
|
|
u16 mask, u16 set);
|
|
int __phy_modify_mmd(struct phy_device *phydev, int devad, u32 regnum,
|
|
u16 mask, u16 set);
|
|
int phy_modify_mmd(struct phy_device *phydev, int devad, u32 regnum,
|
|
u16 mask, u16 set);
|
|
|
|
/**
|
|
* __phy_set_bits - Convenience function for setting bits in a PHY register
|
|
* @phydev: the phy_device struct
|
|
* @regnum: register number to write
|
|
* @val: bits to set
|
|
*
|
|
* The caller must have taken the MDIO bus lock.
|
|
*/
|
|
static inline int __phy_set_bits(struct phy_device *phydev, u32 regnum, u16 val)
|
|
{
|
|
return __phy_modify(phydev, regnum, 0, val);
|
|
}
|
|
|
|
/**
|
|
* __phy_clear_bits - Convenience function for clearing bits in a PHY register
|
|
* @phydev: the phy_device struct
|
|
* @regnum: register number to write
|
|
* @val: bits to clear
|
|
*
|
|
* The caller must have taken the MDIO bus lock.
|
|
*/
|
|
static inline int __phy_clear_bits(struct phy_device *phydev, u32 regnum,
|
|
u16 val)
|
|
{
|
|
return __phy_modify(phydev, regnum, val, 0);
|
|
}
|
|
|
|
/**
|
|
* phy_set_bits - Convenience function for setting bits in a PHY register
|
|
* @phydev: the phy_device struct
|
|
* @regnum: register number to write
|
|
* @val: bits to set
|
|
*/
|
|
static inline int phy_set_bits(struct phy_device *phydev, u32 regnum, u16 val)
|
|
{
|
|
return phy_modify(phydev, regnum, 0, val);
|
|
}
|
|
|
|
/**
|
|
* phy_clear_bits - Convenience function for clearing bits in a PHY register
|
|
* @phydev: the phy_device struct
|
|
* @regnum: register number to write
|
|
* @val: bits to clear
|
|
*/
|
|
static inline int phy_clear_bits(struct phy_device *phydev, u32 regnum, u16 val)
|
|
{
|
|
return phy_modify(phydev, regnum, val, 0);
|
|
}
|
|
|
|
/**
|
|
* __phy_set_bits_mmd - Convenience function for setting bits in a register
|
|
* on MMD
|
|
* @phydev: the phy_device struct
|
|
* @devad: the MMD containing register to modify
|
|
* @regnum: register number to modify
|
|
* @val: bits to set
|
|
*
|
|
* The caller must have taken the MDIO bus lock.
|
|
*/
|
|
static inline int __phy_set_bits_mmd(struct phy_device *phydev, int devad,
|
|
u32 regnum, u16 val)
|
|
{
|
|
return __phy_modify_mmd(phydev, devad, regnum, 0, val);
|
|
}
|
|
|
|
/**
|
|
* __phy_clear_bits_mmd - Convenience function for clearing bits in a register
|
|
* on MMD
|
|
* @phydev: the phy_device struct
|
|
* @devad: the MMD containing register to modify
|
|
* @regnum: register number to modify
|
|
* @val: bits to clear
|
|
*
|
|
* The caller must have taken the MDIO bus lock.
|
|
*/
|
|
static inline int __phy_clear_bits_mmd(struct phy_device *phydev, int devad,
|
|
u32 regnum, u16 val)
|
|
{
|
|
return __phy_modify_mmd(phydev, devad, regnum, val, 0);
|
|
}
|
|
|
|
/**
|
|
* phy_set_bits_mmd - Convenience function for setting bits in a register
|
|
* on MMD
|
|
* @phydev: the phy_device struct
|
|
* @devad: the MMD containing register to modify
|
|
* @regnum: register number to modify
|
|
* @val: bits to set
|
|
*/
|
|
static inline int phy_set_bits_mmd(struct phy_device *phydev, int devad,
|
|
u32 regnum, u16 val)
|
|
{
|
|
return phy_modify_mmd(phydev, devad, regnum, 0, val);
|
|
}
|
|
|
|
/**
|
|
* phy_clear_bits_mmd - Convenience function for clearing bits in a register
|
|
* on MMD
|
|
* @phydev: the phy_device struct
|
|
* @devad: the MMD containing register to modify
|
|
* @regnum: register number to modify
|
|
* @val: bits to clear
|
|
*/
|
|
static inline int phy_clear_bits_mmd(struct phy_device *phydev, int devad,
|
|
u32 regnum, u16 val)
|
|
{
|
|
return phy_modify_mmd(phydev, devad, regnum, val, 0);
|
|
}
|
|
|
|
/**
|
|
* 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_polling_mode - Convenience function for testing whether polling is
|
|
* used to detect PHY status changes
|
|
* @phydev: the phy_device struct
|
|
*/
|
|
static inline bool phy_polling_mode(struct phy_device *phydev)
|
|
{
|
|
return phydev->irq == PHY_POLL;
|
|
}
|
|
|
|
/**
|
|
* phy_has_hwtstamp - Tests whether a PHY time stamp configuration.
|
|
* @phydev: the phy_device struct
|
|
*/
|
|
static inline bool phy_has_hwtstamp(struct phy_device *phydev)
|
|
{
|
|
return phydev && phydev->mii_ts && phydev->mii_ts->hwtstamp;
|
|
}
|
|
|
|
/**
|
|
* phy_has_rxtstamp - Tests whether a PHY supports receive time stamping.
|
|
* @phydev: the phy_device struct
|
|
*/
|
|
static inline bool phy_has_rxtstamp(struct phy_device *phydev)
|
|
{
|
|
return phydev && phydev->mii_ts && phydev->mii_ts->rxtstamp;
|
|
}
|
|
|
|
/**
|
|
* phy_has_tsinfo - Tests whether a PHY reports time stamping and/or
|
|
* PTP hardware clock capabilities.
|
|
* @phydev: the phy_device struct
|
|
*/
|
|
static inline bool phy_has_tsinfo(struct phy_device *phydev)
|
|
{
|
|
return phydev && phydev->mii_ts && phydev->mii_ts->ts_info;
|
|
}
|
|
|
|
/**
|
|
* phy_has_txtstamp - Tests whether a PHY supports transmit time stamping.
|
|
* @phydev: the phy_device struct
|
|
*/
|
|
static inline bool phy_has_txtstamp(struct phy_device *phydev)
|
|
{
|
|
return phydev && phydev->mii_ts && phydev->mii_ts->txtstamp;
|
|
}
|
|
|
|
static inline int phy_hwtstamp(struct phy_device *phydev, struct ifreq *ifr)
|
|
{
|
|
return phydev->mii_ts->hwtstamp(phydev->mii_ts, ifr);
|
|
}
|
|
|
|
static inline bool phy_rxtstamp(struct phy_device *phydev, struct sk_buff *skb,
|
|
int type)
|
|
{
|
|
return phydev->mii_ts->rxtstamp(phydev->mii_ts, skb, type);
|
|
}
|
|
|
|
static inline int phy_ts_info(struct phy_device *phydev,
|
|
struct ethtool_ts_info *tsinfo)
|
|
{
|
|
return phydev->mii_ts->ts_info(phydev->mii_ts, tsinfo);
|
|
}
|
|
|
|
static inline void phy_txtstamp(struct phy_device *phydev, struct sk_buff *skb,
|
|
int type)
|
|
{
|
|
phydev->mii_ts->txtstamp(phydev->mii_ts, skb, type);
|
|
}
|
|
|
|
/**
|
|
* 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_interface_mode_is_rgmii - Convenience function for testing if a
|
|
* PHY interface mode is RGMII (all variants)
|
|
* @mode: the phy_interface_t enum
|
|
*/
|
|
static inline bool phy_interface_mode_is_rgmii(phy_interface_t mode)
|
|
{
|
|
return mode >= PHY_INTERFACE_MODE_RGMII &&
|
|
mode <= PHY_INTERFACE_MODE_RGMII_TXID;
|
|
};
|
|
|
|
/**
|
|
* phy_interface_mode_is_8023z() - does the phy interface mode use 802.3z
|
|
* negotiation
|
|
* @mode: one of &enum phy_interface_t
|
|
*
|
|
* Returns true if the phy interface mode uses the 16-bit negotiation
|
|
* word as defined in 802.3z. (See 802.3-2015 37.2.1 Config_Reg encoding)
|
|
*/
|
|
static inline bool phy_interface_mode_is_8023z(phy_interface_t mode)
|
|
{
|
|
return mode == PHY_INTERFACE_MODE_1000BASEX ||
|
|
mode == PHY_INTERFACE_MODE_2500BASEX;
|
|
}
|
|
|
|
/**
|
|
* 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 phy_interface_mode_is_rgmii(phydev->interface);
|
|
};
|
|
|
|
/*
|
|
* 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;
|
|
}
|
|
|
|
int phy_save_page(struct phy_device *phydev);
|
|
int phy_select_page(struct phy_device *phydev, int page);
|
|
int phy_restore_page(struct phy_device *phydev, int oldpage, int ret);
|
|
int phy_read_paged(struct phy_device *phydev, int page, u32 regnum);
|
|
int phy_write_paged(struct phy_device *phydev, int page, u32 regnum, u16 val);
|
|
int phy_modify_paged_changed(struct phy_device *phydev, int page, u32 regnum,
|
|
u16 mask, u16 set);
|
|
int phy_modify_paged(struct phy_device *phydev, int page, u32 regnum,
|
|
u16 mask, u16 set);
|
|
|
|
struct phy_device *phy_device_create(struct mii_bus *bus, int addr, u32 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;
|
|
}
|
|
|
|
static inline int phy_device_register(struct phy_device *phy)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void phy_device_free(struct phy_device *phydev) { }
|
|
#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);
|
|
int __phy_resume(struct phy_device *phydev);
|
|
int phy_loopback(struct phy_device *phydev, bool enable);
|
|
void phy_sfp_attach(void *upstream, struct sfp_bus *bus);
|
|
void phy_sfp_detach(void *upstream, struct sfp_bus *bus);
|
|
int phy_sfp_probe(struct phy_device *phydev,
|
|
const struct sfp_upstream_ops *ops);
|
|
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_speed_down(struct phy_device *phydev, bool sync);
|
|
int phy_speed_up(struct phy_device *phydev);
|
|
|
|
int phy_restart_aneg(struct phy_device *phydev);
|
|
int phy_reset_after_clk_enable(struct phy_device *phydev);
|
|
|
|
static inline void phy_device_reset(struct phy_device *phydev, int value)
|
|
{
|
|
mdio_device_reset(&phydev->mdio, value);
|
|
}
|
|
|
|
#define phydev_err(_phydev, format, args...) \
|
|
dev_err(&_phydev->mdio.dev, format, ##args)
|
|
|
|
#define phydev_info(_phydev, format, args...) \
|
|
dev_info(&_phydev->mdio.dev, format, ##args)
|
|
|
|
#define phydev_warn(_phydev, format, args...) \
|
|
dev_warn(&_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);
|
|
}
|
|
|
|
static inline void phy_lock_mdio_bus(struct phy_device *phydev)
|
|
{
|
|
mutex_lock(&phydev->mdio.bus->mdio_lock);
|
|
}
|
|
|
|
static inline void phy_unlock_mdio_bus(struct phy_device *phydev)
|
|
{
|
|
mutex_unlock(&phydev->mdio.bus->mdio_lock);
|
|
}
|
|
|
|
void phy_attached_print(struct phy_device *phydev, const char *fmt, ...)
|
|
__printf(2, 3);
|
|
char *phy_attached_info_irq(struct phy_device *phydev)
|
|
__malloc;
|
|
void phy_attached_info(struct phy_device *phydev);
|
|
|
|
/* Clause 22 PHY */
|
|
int genphy_read_abilities(struct phy_device *phydev);
|
|
int genphy_setup_forced(struct phy_device *phydev);
|
|
int genphy_restart_aneg(struct phy_device *phydev);
|
|
int genphy_check_and_restart_aneg(struct phy_device *phydev, bool restart);
|
|
int genphy_config_eee_advert(struct phy_device *phydev);
|
|
int __genphy_config_aneg(struct phy_device *phydev, bool changed);
|
|
int genphy_aneg_done(struct phy_device *phydev);
|
|
int genphy_update_link(struct phy_device *phydev);
|
|
int genphy_read_lpa(struct phy_device *phydev);
|
|
int genphy_read_status_fixed(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_loopback(struct phy_device *phydev, bool enable);
|
|
int genphy_soft_reset(struct phy_device *phydev);
|
|
|
|
static inline int genphy_config_aneg(struct phy_device *phydev)
|
|
{
|
|
return __genphy_config_aneg(phydev, false);
|
|
}
|
|
|
|
static inline int genphy_no_soft_reset(struct phy_device *phydev)
|
|
{
|
|
return 0;
|
|
}
|
|
static inline int genphy_no_ack_interrupt(struct phy_device *phydev)
|
|
{
|
|
return 0;
|
|
}
|
|
static inline int genphy_no_config_intr(struct phy_device *phydev)
|
|
{
|
|
return 0;
|
|
}
|
|
int genphy_read_mmd_unsupported(struct phy_device *phdev, int devad,
|
|
u16 regnum);
|
|
int genphy_write_mmd_unsupported(struct phy_device *phdev, int devnum,
|
|
u16 regnum, u16 val);
|
|
|
|
/* Clause 37 */
|
|
int genphy_c37_config_aneg(struct phy_device *phydev);
|
|
int genphy_c37_read_status(struct phy_device *phydev);
|
|
|
|
/* Clause 45 PHY */
|
|
int genphy_c45_restart_aneg(struct phy_device *phydev);
|
|
int genphy_c45_check_and_restart_aneg(struct phy_device *phydev, bool restart);
|
|
int genphy_c45_aneg_done(struct phy_device *phydev);
|
|
int genphy_c45_read_link(struct phy_device *phydev);
|
|
int genphy_c45_read_lpa(struct phy_device *phydev);
|
|
int genphy_c45_read_pma(struct phy_device *phydev);
|
|
int genphy_c45_pma_setup_forced(struct phy_device *phydev);
|
|
int genphy_c45_an_config_aneg(struct phy_device *phydev);
|
|
int genphy_c45_an_disable_aneg(struct phy_device *phydev);
|
|
int genphy_c45_read_mdix(struct phy_device *phydev);
|
|
int genphy_c45_pma_read_abilities(struct phy_device *phydev);
|
|
int genphy_c45_read_status(struct phy_device *phydev);
|
|
int genphy_c45_config_aneg(struct phy_device *phydev);
|
|
|
|
/* The gen10g_* functions are the old Clause 45 stub */
|
|
int gen10g_config_aneg(struct phy_device *phydev);
|
|
|
|
static inline int phy_read_status(struct phy_device *phydev)
|
|
{
|
|
if (!phydev->drv)
|
|
return -EIO;
|
|
|
|
if (phydev->drv->read_status)
|
|
return phydev->drv->read_status(phydev);
|
|
else
|
|
return genphy_read_status(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, 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_queue_state_machine(struct phy_device *phydev, unsigned long jiffies);
|
|
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_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_do_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd);
|
|
int phy_do_ioctl_running(struct net_device *dev, struct ifreq *ifr, int cmd);
|
|
void phy_request_interrupt(struct phy_device *phydev);
|
|
void phy_free_interrupt(struct phy_device *phydev);
|
|
void phy_print_status(struct phy_device *phydev);
|
|
int phy_set_max_speed(struct phy_device *phydev, u32 max_speed);
|
|
void phy_remove_link_mode(struct phy_device *phydev, u32 link_mode);
|
|
void phy_advertise_supported(struct phy_device *phydev);
|
|
void phy_support_sym_pause(struct phy_device *phydev);
|
|
void phy_support_asym_pause(struct phy_device *phydev);
|
|
void phy_set_sym_pause(struct phy_device *phydev, bool rx, bool tx,
|
|
bool autoneg);
|
|
void phy_set_asym_pause(struct phy_device *phydev, bool rx, bool tx);
|
|
bool phy_validate_pause(struct phy_device *phydev,
|
|
struct ethtool_pauseparam *pp);
|
|
void phy_get_pause(struct phy_device *phydev, bool *tx_pause, bool *rx_pause);
|
|
void phy_resolve_pause(unsigned long *local_adv, unsigned long *partner_adv,
|
|
bool *tx_pause, bool *rx_pause);
|
|
|
|
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
|
|
|
|
/* Inline function for use within net/core/ethtool.c (built-in) */
|
|
static inline int phy_ethtool_get_strings(struct phy_device *phydev, u8 *data)
|
|
{
|
|
if (!phydev->drv)
|
|
return -EIO;
|
|
|
|
mutex_lock(&phydev->lock);
|
|
phydev->drv->get_strings(phydev, data);
|
|
mutex_unlock(&phydev->lock);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static inline int phy_ethtool_get_sset_count(struct phy_device *phydev)
|
|
{
|
|
int ret;
|
|
|
|
if (!phydev->drv)
|
|
return -EIO;
|
|
|
|
if (phydev->drv->get_sset_count &&
|
|
phydev->drv->get_strings &&
|
|
phydev->drv->get_stats) {
|
|
mutex_lock(&phydev->lock);
|
|
ret = phydev->drv->get_sset_count(phydev);
|
|
mutex_unlock(&phydev->lock);
|
|
|
|
return ret;
|
|
}
|
|
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static inline int phy_ethtool_get_stats(struct phy_device *phydev,
|
|
struct ethtool_stats *stats, u64 *data)
|
|
{
|
|
if (!phydev->drv)
|
|
return -EIO;
|
|
|
|
mutex_lock(&phydev->lock);
|
|
phydev->drv->get_stats(phydev, stats, data);
|
|
mutex_unlock(&phydev->lock);
|
|
|
|
return 0;
|
|
}
|
|
|
|
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;
|
|
}
|
|
#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))
|
|
|
|
bool phy_driver_is_genphy(struct phy_device *phydev);
|
|
bool phy_driver_is_genphy_10g(struct phy_device *phydev);
|
|
|
|
#endif /* __PHY_H */
|