1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495969798991001011021031041051061071081091101111121131141151161171181191201211221231241251261271281291301311321331341351361371381391401411421431441451461471481491501511521531541551561571581591601611621631641651661671681691701711721731741751761771781791801811821831841851861871881891901911921931941951961971981992002012022032042052062072082092102112122132142152162172182192202212222232242252262272282292302312322332342352362372382392402412422432442452462472482492502512522532542552562572582592602612622632642652662672682692702712722732742752762772782792802812822832842852862872882892902912922932942952962972982993003013023033043053063073083093103113123133143153163173183193203213223233243253263273283293303313323333343353363373383393403413423433443453463473483493503513523533543553563573583593603613623633643653663673683693703713723733743753763773783793803813823833843853863873883893903913923933943953963973983994004014024034044054064074084094104114124134144154164174184194204214224234244254264274284294304314324334344354364374384394404414424434444454464474484494504514524534544554564574584594604614624634644654664674684694704714724734744754764774784794804814824834844854864874884894904914924934944954964974984995005015025035045055065075085095105115125135145155165175185195205215225235245255265275285295305315325335345355365375385395405415425435445455465475485495505515525535545555565575585595605615625635645655665675685695705715725735745755765775785795805815825835845855865875885895905915925935945955965975985996006016026036046056066076086096106116126136146156166176186196206216226236246256266276286296306316326336346356366376386396406416426436446456466476486496506516526536546556566576586596606616626636646656666676686696706716726736746756766776786796806816826836846856866876886896906916926936946956966976986997007017027037047057067077087097107117127137147157167177187197207217227237247257267277287297307317327337347357367377387397407417427437447457467477487497507517527537547557567577587597607617627637647657667677687697707717727737747757767777787797807817827837847857867877887897907917927937947957967977987998008018028038048058068078088098108118128138148158168178188198208218228238248258268278288298308318328338348358368378388398408418428438448458468478488498508518528538548558568578588598608618628638648658668678688698708718728738748758768778788798808818828838848858868878888898908918928938948958968978988999009019029039049059069079089099109119129139149159169179189199209219229239249259269279289299309319329339349359369379389399409419429439449459469479489499509519529539549559569579589599609619629639649659669679689699709719729739749759769779789799809819829839849859869879889899909919929939949959969979989991000100110021003100410051006100710081009101010111012101310141015101610171018101910201021102210231024102510261027102810291030103110321033103410351036103710381039104010411042104310441045104610471048104910501051105210531054105510561057105810591060106110621063106410651066106710681069107010711072107310741075107610771078107910801081108210831084108510861087108810891090109110921093109410951096109710981099110011011102110311041105110611071108110911101111111211131114111511161117111811191120112111221123112411251126112711281129113011311132113311341135113611371138113911401141114211431144114511461147114811491150115111521153115411551156115711581159116011611162116311641165116611671168116911701171117211731174117511761177117811791180118111821183118411851186118711881189119011911192119311941195119611971198119912001201120212031204120512061207120812091210121112121213121412151216121712181219122012211222122312241225122612271228122912301231123212331234123512361237123812391240124112421243124412451246124712481249125012511252125312541255125612571258125912601261126212631264126512661267126812691270127112721273127412751276127712781279128012811282128312841285128612871288128912901291129212931294 |
- /* 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/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)
- 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_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-KR, XFI, SFI - single lane 10G Serdes */
- PHY_INTERFACE_MODE_10GKR,
- PHY_INTERFACE_MODE_USXGMII,
- 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_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_10GKR:
- return "10gbase-kr";
- case PHY_INTERFACE_MODE_USXGMII:
- return "usxgmii";
- 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 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;
- /* 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);
- }
- 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];
- };
- /* 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.
- * 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
- * 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;
- 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 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;
- struct phylink *phylink;
- struct net_device *attached_dev;
- u8 mdix;
- u8 mdix_ctrl;
- void (*phy_link_change)(struct phy_device *, bool up, bool do_carrier);
- 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 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 */
- int (*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);
- /* 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);
- 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);
- /**
- * 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);
- }
- /**
- * __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_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_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_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);
- 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);
- }
- void phy_attached_print(struct phy_device *phydev, const char *fmt, ...)
- __printf(2, 3);
- 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_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(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 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);
- int phy_ethtool_sset(struct phy_device *phydev, struct ethtool_cmd *cmd);
- void phy_ethtool_ksettings_get(struct phy_device *phydev,
- struct ethtool_link_ksettings *cmd);
- 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);
- 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);
- 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 */
|