1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * Framework and drivers for configuring and reading different PHYs
4 * Based on code in sungem_phy.c and (long-removed) gianfar_phy.c
8 * Copyright (c) 2004 Freescale Semiconductor, Inc.
14 #include <linux/compiler.h>
15 #include <linux/spinlock.h>
16 #include <linux/ethtool.h>
17 #include <linux/linkmode.h>
18 #include <linux/mdio.h>
19 #include <linux/mii.h>
20 #include <linux/mii_timestamper.h>
21 #include <linux/module.h>
22 #include <linux/timer.h>
23 #include <linux/workqueue.h>
24 #include <linux/mod_devicetable.h>
25 #include <linux/u64_stats_sync.h>
27 #include <linux/atomic.h>
29 #define PHY_DEFAULT_FEATURES (SUPPORTED_Autoneg | \
33 #define PHY_10BT_FEATURES (SUPPORTED_10baseT_Half | \
34 SUPPORTED_10baseT_Full)
36 #define PHY_100BT_FEATURES (SUPPORTED_100baseT_Half | \
37 SUPPORTED_100baseT_Full)
39 #define PHY_1000BT_FEATURES (SUPPORTED_1000baseT_Half | \
40 SUPPORTED_1000baseT_Full)
42 extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_basic_features
) __ro_after_init
;
43 extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_basic_t1_features
) __ro_after_init
;
44 extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_gbit_features
) __ro_after_init
;
45 extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_gbit_fibre_features
) __ro_after_init
;
46 extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_gbit_all_ports_features
) __ro_after_init
;
47 extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_10gbit_features
) __ro_after_init
;
48 extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_10gbit_fec_features
) __ro_after_init
;
49 extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_10gbit_full_features
) __ro_after_init
;
51 #define PHY_BASIC_FEATURES ((unsigned long *)&phy_basic_features)
52 #define PHY_BASIC_T1_FEATURES ((unsigned long *)&phy_basic_t1_features)
53 #define PHY_GBIT_FEATURES ((unsigned long *)&phy_gbit_features)
54 #define PHY_GBIT_FIBRE_FEATURES ((unsigned long *)&phy_gbit_fibre_features)
55 #define PHY_GBIT_ALL_PORTS_FEATURES ((unsigned long *)&phy_gbit_all_ports_features)
56 #define PHY_10GBIT_FEATURES ((unsigned long *)&phy_10gbit_features)
57 #define PHY_10GBIT_FEC_FEATURES ((unsigned long *)&phy_10gbit_fec_features)
58 #define PHY_10GBIT_FULL_FEATURES ((unsigned long *)&phy_10gbit_full_features)
60 extern const int phy_basic_ports_array
[3];
61 extern const int phy_fibre_port_array
[1];
62 extern const int phy_all_ports_features_array
[7];
63 extern const int phy_10_100_features_array
[4];
64 extern const int phy_basic_t1_features_array
[2];
65 extern const int phy_gbit_features_array
[2];
66 extern const int phy_10gbit_features_array
[1];
69 * Set phydev->irq to PHY_POLL if interrupts are not supported,
70 * or not desired for this PHY. Set to PHY_IGNORE_INTERRUPT if
71 * the attached driver handles the interrupt
74 #define PHY_IGNORE_INTERRUPT -2
76 #define PHY_IS_INTERNAL 0x00000001
77 #define PHY_RST_AFTER_CLK_EN 0x00000002
78 #define MDIO_DEVICE_IS_PHY 0x80000000
80 /* Interface Mode definitions */
82 PHY_INTERFACE_MODE_NA
,
83 PHY_INTERFACE_MODE_INTERNAL
,
84 PHY_INTERFACE_MODE_MII
,
85 PHY_INTERFACE_MODE_GMII
,
86 PHY_INTERFACE_MODE_SGMII
,
87 PHY_INTERFACE_MODE_TBI
,
88 PHY_INTERFACE_MODE_REVMII
,
89 PHY_INTERFACE_MODE_RMII
,
90 PHY_INTERFACE_MODE_RGMII
,
91 PHY_INTERFACE_MODE_RGMII_ID
,
92 PHY_INTERFACE_MODE_RGMII_RXID
,
93 PHY_INTERFACE_MODE_RGMII_TXID
,
94 PHY_INTERFACE_MODE_RTBI
,
95 PHY_INTERFACE_MODE_SMII
,
96 PHY_INTERFACE_MODE_XGMII
,
97 PHY_INTERFACE_MODE_MOCA
,
98 PHY_INTERFACE_MODE_QSGMII
,
99 PHY_INTERFACE_MODE_TRGMII
,
100 PHY_INTERFACE_MODE_1000BASEX
,
101 PHY_INTERFACE_MODE_2500BASEX
,
102 PHY_INTERFACE_MODE_RXAUI
,
103 PHY_INTERFACE_MODE_XAUI
,
104 /* 10GBASE-R, XFI, SFI - single lane 10G Serdes */
105 PHY_INTERFACE_MODE_10GBASER
,
106 PHY_INTERFACE_MODE_USXGMII
,
107 /* 10GBASE-KR - with Clause 73 AN */
108 PHY_INTERFACE_MODE_10GKR
,
109 PHY_INTERFACE_MODE_MAX
,
113 * phy_supported_speeds - return all speeds currently supported by a phy device
114 * @phy: The phy device to return supported speeds of.
115 * @speeds: buffer to store supported speeds in.
116 * @size: size of speeds buffer.
118 * Description: Returns the number of supported speeds, and fills
119 * the speeds buffer with the supported speeds. If speeds buffer is
120 * too small to contain all currently supported speeds, will return as
121 * many speeds as can fit.
123 unsigned int phy_supported_speeds(struct phy_device
*phy
,
124 unsigned int *speeds
,
128 * phy_modes - map phy_interface_t enum to device tree binding of phy-mode
129 * @interface: enum phy_interface_t value
131 * Description: maps 'enum phy_interface_t' defined in this file
132 * into the device tree binding of 'phy-mode', so that Ethernet
133 * device driver can get phy interface from device tree.
135 static inline const char *phy_modes(phy_interface_t interface
)
138 case PHY_INTERFACE_MODE_NA
:
140 case PHY_INTERFACE_MODE_INTERNAL
:
142 case PHY_INTERFACE_MODE_MII
:
144 case PHY_INTERFACE_MODE_GMII
:
146 case PHY_INTERFACE_MODE_SGMII
:
148 case PHY_INTERFACE_MODE_TBI
:
150 case PHY_INTERFACE_MODE_REVMII
:
152 case PHY_INTERFACE_MODE_RMII
:
154 case PHY_INTERFACE_MODE_RGMII
:
156 case PHY_INTERFACE_MODE_RGMII_ID
:
158 case PHY_INTERFACE_MODE_RGMII_RXID
:
160 case PHY_INTERFACE_MODE_RGMII_TXID
:
162 case PHY_INTERFACE_MODE_RTBI
:
164 case PHY_INTERFACE_MODE_SMII
:
166 case PHY_INTERFACE_MODE_XGMII
:
168 case PHY_INTERFACE_MODE_MOCA
:
170 case PHY_INTERFACE_MODE_QSGMII
:
172 case PHY_INTERFACE_MODE_TRGMII
:
174 case PHY_INTERFACE_MODE_1000BASEX
:
176 case PHY_INTERFACE_MODE_2500BASEX
:
178 case PHY_INTERFACE_MODE_RXAUI
:
180 case PHY_INTERFACE_MODE_XAUI
:
182 case PHY_INTERFACE_MODE_10GBASER
:
184 case PHY_INTERFACE_MODE_USXGMII
:
186 case PHY_INTERFACE_MODE_10GKR
:
194 #define PHY_INIT_TIMEOUT 100000
195 #define PHY_FORCE_TIMEOUT 10
197 #define PHY_MAX_ADDR 32
199 /* Used when trying to connect to a specific phy (mii bus id:phy device id) */
200 #define PHY_ID_FMT "%s:%02x"
202 #define MII_BUS_ID_SIZE 61
204 /* Or MII_ADDR_C45 into regnum for read/write on mii_bus to enable the 21 bit
205 IEEE 802.3ae clause 45 addressing mode used by 10GIGE phy chips. */
206 #define MII_ADDR_C45 (1<<30)
207 #define MII_DEVADDR_C45_SHIFT 16
208 #define MII_REGADDR_C45_MASK GENMASK(15, 0)
213 struct sfp_upstream_ops
;
216 struct mdio_bus_stats
{
217 u64_stats_t transfers
;
221 /* Must be last, add new statistics above */
222 struct u64_stats_sync syncp
;
226 * The Bus class for PHYs. Devices which provide access to
227 * PHYs should register using this structure
230 struct module
*owner
;
232 char id
[MII_BUS_ID_SIZE
];
234 int (*read
)(struct mii_bus
*bus
, int addr
, int regnum
);
235 int (*write
)(struct mii_bus
*bus
, int addr
, int regnum
, u16 val
);
236 int (*reset
)(struct mii_bus
*bus
);
237 struct mdio_bus_stats stats
[PHY_MAX_ADDR
];
240 * A lock to ensure that only one thing can read/write
241 * the MDIO bus at a time
243 struct mutex mdio_lock
;
245 struct device
*parent
;
247 MDIOBUS_ALLOCATED
= 1,
249 MDIOBUS_UNREGISTERED
,
254 /* list of all PHYs on bus */
255 struct mdio_device
*mdio_map
[PHY_MAX_ADDR
];
257 /* PHY addresses to be ignored when probing */
260 /* PHY addresses to ignore the TA/read failure */
261 u32 phy_ignore_ta_mask
;
264 * An array of interrupts, each PHY's interrupt at the index
265 * matching its address
267 int irq
[PHY_MAX_ADDR
];
269 /* GPIO reset pulse width in microseconds */
271 /* RESET GPIO descriptor pointer */
272 struct gpio_desc
*reset_gpiod
;
274 #define to_mii_bus(d) container_of(d, struct mii_bus, dev)
276 struct mii_bus
*mdiobus_alloc_size(size_t);
277 static inline struct mii_bus
*mdiobus_alloc(void)
279 return mdiobus_alloc_size(0);
282 int __mdiobus_register(struct mii_bus
*bus
, struct module
*owner
);
283 #define mdiobus_register(bus) __mdiobus_register(bus, THIS_MODULE)
284 void mdiobus_unregister(struct mii_bus
*bus
);
285 void mdiobus_free(struct mii_bus
*bus
);
286 struct mii_bus
*devm_mdiobus_alloc_size(struct device
*dev
, int sizeof_priv
);
287 static inline struct mii_bus
*devm_mdiobus_alloc(struct device
*dev
)
289 return devm_mdiobus_alloc_size(dev
, 0);
292 void devm_mdiobus_free(struct device
*dev
, struct mii_bus
*bus
);
293 struct phy_device
*mdiobus_scan(struct mii_bus
*bus
, int addr
);
295 #define PHY_INTERRUPT_DISABLED false
296 #define PHY_INTERRUPT_ENABLED true
298 /* PHY state machine states:
300 * DOWN: PHY device and driver are not ready for anything. probe
301 * should be called if and only if the PHY is in this state,
302 * given that the PHY device exists.
303 * - PHY driver probe function will set the state to READY
305 * READY: PHY is ready to send and receive packets, but the
306 * controller is not. By default, PHYs which do not implement
307 * probe will be set to this state by phy_probe().
308 * - start will set the state to UP
310 * UP: The PHY and attached device are ready to do work.
311 * Interrupts should be started here.
312 * - timer moves to NOLINK or RUNNING
314 * NOLINK: PHY is up, but not currently plugged in.
315 * - irq or timer will set RUNNING if link comes back
316 * - phy_stop moves to HALTED
318 * RUNNING: PHY is currently up, running, and possibly sending
319 * and/or receiving packets
320 * - irq or timer will set NOLINK if link goes down
321 * - phy_stop moves to HALTED
323 * HALTED: PHY is up, but no polling or interrupts are done. Or
324 * PHY is in an error state.
325 * - phy_start moves to UP
337 * struct phy_c45_device_ids - 802.3-c45 Device Identifiers
338 * @devices_in_package: Bit vector of devices present.
339 * @device_ids: The device identifer for each present device.
341 struct phy_c45_device_ids
{
342 u32 devices_in_package
;
346 struct macsec_context
;
349 /* phy_device: An instance of a PHY
351 * drv: Pointer to the driver for this PHY instance
352 * phy_id: UID for this device found during discovery
353 * c45_ids: 802.3-c45 Device Identifers if is_c45.
354 * is_c45: Set to true if this phy uses clause 45 addressing.
355 * is_internal: Set to true if this phy is internal to a MAC.
356 * is_pseudo_fixed_link: Set to true if this phy is an Ethernet switch, etc.
357 * is_gigabit_capable: Set to true if PHY supports 1000Mbps
358 * has_fixups: Set to true if this phy has fixups/quirks.
359 * suspended: Set to true if this phy has been suspended successfully.
360 * suspended_by_mdio_bus: Set to true if this phy was suspended by MDIO bus.
361 * sysfs_links: Internal boolean tracking sysfs symbolic links setup/removal.
362 * loopback_enabled: Set true if this phy has been loopbacked successfully.
363 * state: state of the PHY for management purposes
364 * dev_flags: Device-specific flags used by the PHY driver.
365 * irq: IRQ number of the PHY's interrupt (-1 if none)
366 * phy_timer: The timer for handling the state machine
367 * sfp_bus_attached: flag indicating whether the SFP bus has been attached
368 * sfp_bus: SFP bus attached to this PHY's fiber port
369 * attached_dev: The attached enet driver's device instance ptr
370 * adjust_link: Callback for the enet controller to respond to
371 * changes in the link state.
372 * macsec_ops: MACsec offloading ops.
374 * speed, duplex, pause, supported, advertising, lp_advertising,
375 * and autoneg are used like in mii_if_info
377 * interrupts currently only supports enabled or disabled,
378 * but could be changed in the future to support enabling
379 * and disabling specific interrupts
381 * Contains some infrastructure for polling and interrupt
382 * handling, as well as handling shifts in PHY hardware state
385 struct mdio_device mdio
;
387 /* Information about the PHY type */
388 /* And management functions */
389 struct phy_driver
*drv
;
393 struct phy_c45_device_ids c45_ids
;
395 unsigned is_internal
:1;
396 unsigned is_pseudo_fixed_link
:1;
397 unsigned is_gigabit_capable
:1;
398 unsigned has_fixups
:1;
399 unsigned suspended
:1;
400 unsigned suspended_by_mdio_bus
:1;
401 unsigned sysfs_links
:1;
402 unsigned loopback_enabled
:1;
405 /* The most recently read link state */
407 unsigned autoneg_complete
:1;
409 /* Interrupts are enabled */
410 unsigned interrupts
:1;
412 enum phy_state state
;
416 phy_interface_t interface
;
419 * forced speed & duplex (no autoneg)
420 * partner speed & duplex & pause (autoneg)
427 /* Union of PHY and Attached devices' supported link modes */
428 /* See ethtool.h for more info */
429 __ETHTOOL_DECLARE_LINK_MODE_MASK(supported
);
430 __ETHTOOL_DECLARE_LINK_MODE_MASK(advertising
);
431 __ETHTOOL_DECLARE_LINK_MODE_MASK(lp_advertising
);
432 /* used with phy_speed_down */
433 __ETHTOOL_DECLARE_LINK_MODE_MASK(adv_old
);
435 /* Energy efficient ethernet modes which should be prohibited */
436 u32 eee_broken_modes
;
438 #ifdef CONFIG_LED_TRIGGER_PHY
439 struct phy_led_trigger
*phy_led_triggers
;
440 unsigned int phy_num_led_triggers
;
441 struct phy_led_trigger
*last_triggered
;
443 struct phy_led_trigger
*led_link_trigger
;
447 * Interrupt number for this PHY
448 * -1 means no interrupt
452 /* private data pointer */
453 /* For use by PHYs to maintain extra state */
456 /* Interrupt and Polling infrastructure */
457 struct delayed_work state_queue
;
461 /* This may be modified under the rtnl lock */
462 bool sfp_bus_attached
;
463 struct sfp_bus
*sfp_bus
;
464 struct phylink
*phylink
;
465 struct net_device
*attached_dev
;
466 struct mii_timestamper
*mii_ts
;
471 void (*phy_link_change
)(struct phy_device
*, bool up
, bool do_carrier
);
472 void (*adjust_link
)(struct net_device
*dev
);
474 #if IS_ENABLED(CONFIG_MACSEC)
475 /* MACsec management functions */
476 const struct macsec_ops
*macsec_ops
;
479 #define to_phy_device(d) container_of(to_mdio_device(d), \
480 struct phy_device, mdio)
482 /* struct phy_driver: Driver structure for a particular PHY type
484 * driver_data: static driver data
485 * phy_id: The result of reading the UID registers of this PHY
486 * type, and ANDing them with the phy_id_mask. This driver
487 * only works for PHYs with IDs which match this field
488 * name: The friendly name of this PHY type
489 * phy_id_mask: Defines the important bits of the phy_id
490 * features: A mandatory list of features (speed, duplex, etc)
491 * supported by this PHY
492 * flags: A bitfield defining certain other features this PHY
493 * supports (like interrupts)
495 * All functions are optional. If config_aneg or read_status
496 * are not implemented, the phy core uses the genphy versions.
497 * Note that none of these functions should be called from
498 * interrupt time. The goal is for the bus read/write functions
499 * to be able to block when the bus transaction is happening,
500 * and be freed up by an interrupt (The MPC85xx has this ability,
501 * though it is not currently supported in the driver).
504 struct mdio_driver_common mdiodrv
;
508 const unsigned long * const features
;
510 const void *driver_data
;
513 * Called to issue a PHY software reset
515 int (*soft_reset
)(struct phy_device
*phydev
);
518 * Called to initialize the PHY,
519 * including after a reset
521 int (*config_init
)(struct phy_device
*phydev
);
524 * Called during discovery. Used to set
525 * up device-specific structures, if any
527 int (*probe
)(struct phy_device
*phydev
);
530 * Probe the hardware to determine what abilities it has.
531 * Should only set phydev->supported.
533 int (*get_features
)(struct phy_device
*phydev
);
535 /* PHY Power Management */
536 int (*suspend
)(struct phy_device
*phydev
);
537 int (*resume
)(struct phy_device
*phydev
);
540 * Configures the advertisement and resets
541 * autonegotiation if phydev->autoneg is on,
542 * forces the speed to the current settings in phydev
543 * if phydev->autoneg is off
545 int (*config_aneg
)(struct phy_device
*phydev
);
547 /* Determines the auto negotiation result */
548 int (*aneg_done
)(struct phy_device
*phydev
);
550 /* Determines the negotiated speed and duplex */
551 int (*read_status
)(struct phy_device
*phydev
);
553 /* Clears any pending interrupts */
554 int (*ack_interrupt
)(struct phy_device
*phydev
);
556 /* Enables or disables interrupts */
557 int (*config_intr
)(struct phy_device
*phydev
);
560 * Checks if the PHY generated an interrupt.
561 * For multi-PHY devices with shared PHY interrupt pin
562 * Set interrupt bits have to be cleared.
564 int (*did_interrupt
)(struct phy_device
*phydev
);
566 /* Override default interrupt handling */
567 int (*handle_interrupt
)(struct phy_device
*phydev
);
569 /* Clears up any memory if needed */
570 void (*remove
)(struct phy_device
*phydev
);
572 /* Returns true if this is a suitable driver for the given
573 * phydev. If NULL, matching is based on phy_id and
576 int (*match_phy_device
)(struct phy_device
*phydev
);
578 /* Some devices (e.g. qnap TS-119P II) require PHY register changes to
579 * enable Wake on LAN, so set_wol is provided to be called in the
580 * ethernet driver's set_wol function. */
581 int (*set_wol
)(struct phy_device
*dev
, struct ethtool_wolinfo
*wol
);
583 /* See set_wol, but for checking whether Wake on LAN is enabled. */
584 void (*get_wol
)(struct phy_device
*dev
, struct ethtool_wolinfo
*wol
);
587 * Called to inform a PHY device driver when the core is about to
588 * change the link state. This callback is supposed to be used as
589 * fixup hook for drivers that need to take action when the link
590 * state changes. Drivers are by no means allowed to mess with the
591 * PHY device structure in their implementations.
593 void (*link_change_notify
)(struct phy_device
*dev
);
596 * Phy specific driver override for reading a MMD register.
597 * This function is optional for PHY specific drivers. When
598 * not provided, the default MMD read function will be used
599 * by phy_read_mmd(), which will use either a direct read for
600 * Clause 45 PHYs or an indirect read for Clause 22 PHYs.
601 * devnum is the MMD device number within the PHY device,
602 * regnum is the register within the selected MMD device.
604 int (*read_mmd
)(struct phy_device
*dev
, int devnum
, u16 regnum
);
607 * Phy specific driver override for writing a MMD register.
608 * This function is optional for PHY specific drivers. When
609 * not provided, the default MMD write function will be used
610 * by phy_write_mmd(), which will use either a direct write for
611 * Clause 45 PHYs, or an indirect write for Clause 22 PHYs.
612 * devnum is the MMD device number within the PHY device,
613 * regnum is the register within the selected MMD device.
614 * val is the value to be written.
616 int (*write_mmd
)(struct phy_device
*dev
, int devnum
, u16 regnum
,
619 int (*read_page
)(struct phy_device
*dev
);
620 int (*write_page
)(struct phy_device
*dev
, int page
);
622 /* Get the size and type of the eeprom contained within a plug-in
624 int (*module_info
)(struct phy_device
*dev
,
625 struct ethtool_modinfo
*modinfo
);
627 /* Get the eeprom information from the plug-in module */
628 int (*module_eeprom
)(struct phy_device
*dev
,
629 struct ethtool_eeprom
*ee
, u8
*data
);
631 /* Get statistics from the phy using ethtool */
632 int (*get_sset_count
)(struct phy_device
*dev
);
633 void (*get_strings
)(struct phy_device
*dev
, u8
*data
);
634 void (*get_stats
)(struct phy_device
*dev
,
635 struct ethtool_stats
*stats
, u64
*data
);
637 /* Get and Set PHY tunables */
638 int (*get_tunable
)(struct phy_device
*dev
,
639 struct ethtool_tunable
*tuna
, void *data
);
640 int (*set_tunable
)(struct phy_device
*dev
,
641 struct ethtool_tunable
*tuna
,
643 int (*set_loopback
)(struct phy_device
*dev
, bool enable
);
645 #define to_phy_driver(d) container_of(to_mdio_common_driver(d), \
646 struct phy_driver, mdiodrv)
648 #define PHY_ANY_ID "MATCH ANY PHY"
649 #define PHY_ANY_UID 0xffffffff
651 #define PHY_ID_MATCH_EXACT(id) .phy_id = (id), .phy_id_mask = GENMASK(31, 0)
652 #define PHY_ID_MATCH_MODEL(id) .phy_id = (id), .phy_id_mask = GENMASK(31, 4)
653 #define PHY_ID_MATCH_VENDOR(id) .phy_id = (id), .phy_id_mask = GENMASK(31, 10)
655 /* A Structure for boards to register fixups with the PHY Lib */
657 struct list_head list
;
658 char bus_id
[MII_BUS_ID_SIZE
+ 3];
661 int (*run
)(struct phy_device
*phydev
);
664 const char *phy_speed_to_str(int speed
);
665 const char *phy_duplex_to_str(unsigned int duplex
);
667 /* A structure for mapping a particular speed and duplex
668 * combination to a particular SUPPORTED and ADVERTISED value
676 const struct phy_setting
*
677 phy_lookup_setting(int speed
, int duplex
, const unsigned long *mask
,
679 size_t phy_speeds(unsigned int *speeds
, size_t size
,
680 unsigned long *mask
);
681 void of_set_phy_supported(struct phy_device
*phydev
);
682 void of_set_phy_eee_broken(struct phy_device
*phydev
);
683 int phy_speed_down_core(struct phy_device
*phydev
);
686 * phy_is_started - Convenience function to check whether PHY is started
687 * @phydev: The phy_device struct
689 static inline bool phy_is_started(struct phy_device
*phydev
)
691 return phydev
->state
>= PHY_UP
;
694 void phy_resolve_aneg_pause(struct phy_device
*phydev
);
695 void phy_resolve_aneg_linkmode(struct phy_device
*phydev
);
698 * phy_read - Convenience function for reading a given PHY register
699 * @phydev: the phy_device struct
700 * @regnum: register number to read
702 * NOTE: MUST NOT be called from interrupt context,
703 * because the bus read/write functions may wait for an interrupt
704 * to conclude the operation.
706 static inline int phy_read(struct phy_device
*phydev
, u32 regnum
)
708 return mdiobus_read(phydev
->mdio
.bus
, phydev
->mdio
.addr
, regnum
);
712 * __phy_read - convenience function for reading a given PHY register
713 * @phydev: the phy_device struct
714 * @regnum: register number to read
716 * The caller must have taken the MDIO bus lock.
718 static inline int __phy_read(struct phy_device
*phydev
, u32 regnum
)
720 return __mdiobus_read(phydev
->mdio
.bus
, phydev
->mdio
.addr
, regnum
);
724 * phy_write - Convenience function for writing a given PHY register
725 * @phydev: the phy_device struct
726 * @regnum: register number to write
727 * @val: value to write to @regnum
729 * NOTE: MUST NOT be called from interrupt context,
730 * because the bus read/write functions may wait for an interrupt
731 * to conclude the operation.
733 static inline int phy_write(struct phy_device
*phydev
, u32 regnum
, u16 val
)
735 return mdiobus_write(phydev
->mdio
.bus
, phydev
->mdio
.addr
, regnum
, val
);
739 * __phy_write - Convenience function for writing a given PHY register
740 * @phydev: the phy_device struct
741 * @regnum: register number to write
742 * @val: value to write to @regnum
744 * The caller must have taken the MDIO bus lock.
746 static inline int __phy_write(struct phy_device
*phydev
, u32 regnum
, u16 val
)
748 return __mdiobus_write(phydev
->mdio
.bus
, phydev
->mdio
.addr
, regnum
,
753 * phy_read_mmd - Convenience function for reading a register
754 * from an MMD on a given PHY.
755 * @phydev: The phy_device struct
756 * @devad: The MMD to read from
757 * @regnum: The register on the MMD to read
759 * Same rules as for phy_read();
761 int phy_read_mmd(struct phy_device
*phydev
, int devad
, u32 regnum
);
764 * __phy_read_mmd - Convenience function for reading a register
765 * from an MMD on a given PHY.
766 * @phydev: The phy_device struct
767 * @devad: The MMD to read from
768 * @regnum: The register on the MMD to read
770 * Same rules as for __phy_read();
772 int __phy_read_mmd(struct phy_device
*phydev
, int devad
, u32 regnum
);
775 * phy_write_mmd - Convenience function for writing a register
776 * on an MMD on a given PHY.
777 * @phydev: The phy_device struct
778 * @devad: The MMD to write to
779 * @regnum: The register on the MMD to read
780 * @val: value to write to @regnum
782 * Same rules as for phy_write();
784 int phy_write_mmd(struct phy_device
*phydev
, int devad
, u32 regnum
, u16 val
);
787 * __phy_write_mmd - Convenience function for writing a register
788 * on an MMD on a given PHY.
789 * @phydev: The phy_device struct
790 * @devad: The MMD to write to
791 * @regnum: The register on the MMD to read
792 * @val: value to write to @regnum
794 * Same rules as for __phy_write();
796 int __phy_write_mmd(struct phy_device
*phydev
, int devad
, u32 regnum
, u16 val
);
798 int __phy_modify_changed(struct phy_device
*phydev
, u32 regnum
, u16 mask
,
800 int phy_modify_changed(struct phy_device
*phydev
, u32 regnum
, u16 mask
,
802 int __phy_modify(struct phy_device
*phydev
, u32 regnum
, u16 mask
, u16 set
);
803 int phy_modify(struct phy_device
*phydev
, u32 regnum
, u16 mask
, u16 set
);
805 int __phy_modify_mmd_changed(struct phy_device
*phydev
, int devad
, u32 regnum
,
807 int phy_modify_mmd_changed(struct phy_device
*phydev
, int devad
, u32 regnum
,
809 int __phy_modify_mmd(struct phy_device
*phydev
, int devad
, u32 regnum
,
811 int phy_modify_mmd(struct phy_device
*phydev
, int devad
, u32 regnum
,
815 * __phy_set_bits - Convenience function for setting bits in a PHY register
816 * @phydev: the phy_device struct
817 * @regnum: register number to write
820 * The caller must have taken the MDIO bus lock.
822 static inline int __phy_set_bits(struct phy_device
*phydev
, u32 regnum
, u16 val
)
824 return __phy_modify(phydev
, regnum
, 0, val
);
828 * __phy_clear_bits - Convenience function for clearing bits in a PHY register
829 * @phydev: the phy_device struct
830 * @regnum: register number to write
831 * @val: bits to clear
833 * The caller must have taken the MDIO bus lock.
835 static inline int __phy_clear_bits(struct phy_device
*phydev
, u32 regnum
,
838 return __phy_modify(phydev
, regnum
, val
, 0);
842 * phy_set_bits - Convenience function for setting bits in a PHY register
843 * @phydev: the phy_device struct
844 * @regnum: register number to write
847 static inline int phy_set_bits(struct phy_device
*phydev
, u32 regnum
, u16 val
)
849 return phy_modify(phydev
, regnum
, 0, val
);
853 * phy_clear_bits - Convenience function for clearing bits in a PHY register
854 * @phydev: the phy_device struct
855 * @regnum: register number to write
856 * @val: bits to clear
858 static inline int phy_clear_bits(struct phy_device
*phydev
, u32 regnum
, u16 val
)
860 return phy_modify(phydev
, regnum
, val
, 0);
864 * __phy_set_bits_mmd - Convenience function for setting bits in a register
866 * @phydev: the phy_device struct
867 * @devad: the MMD containing register to modify
868 * @regnum: register number to modify
871 * The caller must have taken the MDIO bus lock.
873 static inline int __phy_set_bits_mmd(struct phy_device
*phydev
, int devad
,
876 return __phy_modify_mmd(phydev
, devad
, regnum
, 0, val
);
880 * __phy_clear_bits_mmd - Convenience function for clearing bits in a register
882 * @phydev: the phy_device struct
883 * @devad: the MMD containing register to modify
884 * @regnum: register number to modify
885 * @val: bits to clear
887 * The caller must have taken the MDIO bus lock.
889 static inline int __phy_clear_bits_mmd(struct phy_device
*phydev
, int devad
,
892 return __phy_modify_mmd(phydev
, devad
, regnum
, val
, 0);
896 * phy_set_bits_mmd - Convenience function for setting bits in a register
898 * @phydev: the phy_device struct
899 * @devad: the MMD containing register to modify
900 * @regnum: register number to modify
903 static inline int phy_set_bits_mmd(struct phy_device
*phydev
, int devad
,
906 return phy_modify_mmd(phydev
, devad
, regnum
, 0, val
);
910 * phy_clear_bits_mmd - Convenience function for clearing bits in a register
912 * @phydev: the phy_device struct
913 * @devad: the MMD containing register to modify
914 * @regnum: register number to modify
915 * @val: bits to clear
917 static inline int phy_clear_bits_mmd(struct phy_device
*phydev
, int devad
,
920 return phy_modify_mmd(phydev
, devad
, regnum
, val
, 0);
924 * phy_interrupt_is_valid - Convenience function for testing a given PHY irq
925 * @phydev: the phy_device struct
927 * NOTE: must be kept in sync with addition/removal of PHY_POLL and
928 * PHY_IGNORE_INTERRUPT
930 static inline bool phy_interrupt_is_valid(struct phy_device
*phydev
)
932 return phydev
->irq
!= PHY_POLL
&& phydev
->irq
!= PHY_IGNORE_INTERRUPT
;
936 * phy_polling_mode - Convenience function for testing whether polling is
937 * used to detect PHY status changes
938 * @phydev: the phy_device struct
940 static inline bool phy_polling_mode(struct phy_device
*phydev
)
942 return phydev
->irq
== PHY_POLL
;
946 * phy_has_hwtstamp - Tests whether a PHY time stamp configuration.
947 * @phydev: the phy_device struct
949 static inline bool phy_has_hwtstamp(struct phy_device
*phydev
)
951 return phydev
&& phydev
->mii_ts
&& phydev
->mii_ts
->hwtstamp
;
955 * phy_has_rxtstamp - Tests whether a PHY supports receive time stamping.
956 * @phydev: the phy_device struct
958 static inline bool phy_has_rxtstamp(struct phy_device
*phydev
)
960 return phydev
&& phydev
->mii_ts
&& phydev
->mii_ts
->rxtstamp
;
964 * phy_has_tsinfo - Tests whether a PHY reports time stamping and/or
965 * PTP hardware clock capabilities.
966 * @phydev: the phy_device struct
968 static inline bool phy_has_tsinfo(struct phy_device
*phydev
)
970 return phydev
&& phydev
->mii_ts
&& phydev
->mii_ts
->ts_info
;
974 * phy_has_txtstamp - Tests whether a PHY supports transmit time stamping.
975 * @phydev: the phy_device struct
977 static inline bool phy_has_txtstamp(struct phy_device
*phydev
)
979 return phydev
&& phydev
->mii_ts
&& phydev
->mii_ts
->txtstamp
;
982 static inline int phy_hwtstamp(struct phy_device
*phydev
, struct ifreq
*ifr
)
984 return phydev
->mii_ts
->hwtstamp(phydev
->mii_ts
, ifr
);
987 static inline bool phy_rxtstamp(struct phy_device
*phydev
, struct sk_buff
*skb
,
990 return phydev
->mii_ts
->rxtstamp(phydev
->mii_ts
, skb
, type
);
993 static inline int phy_ts_info(struct phy_device
*phydev
,
994 struct ethtool_ts_info
*tsinfo
)
996 return phydev
->mii_ts
->ts_info(phydev
->mii_ts
, tsinfo
);
999 static inline void phy_txtstamp(struct phy_device
*phydev
, struct sk_buff
*skb
,
1002 phydev
->mii_ts
->txtstamp(phydev
->mii_ts
, skb
, type
);
1006 * phy_is_internal - Convenience function for testing if a PHY is internal
1007 * @phydev: the phy_device struct
1009 static inline bool phy_is_internal(struct phy_device
*phydev
)
1011 return phydev
->is_internal
;
1015 * phy_interface_mode_is_rgmii - Convenience function for testing if a
1016 * PHY interface mode is RGMII (all variants)
1017 * @mode: the phy_interface_t enum
1019 static inline bool phy_interface_mode_is_rgmii(phy_interface_t mode
)
1021 return mode
>= PHY_INTERFACE_MODE_RGMII
&&
1022 mode
<= PHY_INTERFACE_MODE_RGMII_TXID
;
1026 * phy_interface_mode_is_8023z() - does the phy interface mode use 802.3z
1028 * @mode: one of &enum phy_interface_t
1030 * Returns true if the phy interface mode uses the 16-bit negotiation
1031 * word as defined in 802.3z. (See 802.3-2015 37.2.1 Config_Reg encoding)
1033 static inline bool phy_interface_mode_is_8023z(phy_interface_t mode
)
1035 return mode
== PHY_INTERFACE_MODE_1000BASEX
||
1036 mode
== PHY_INTERFACE_MODE_2500BASEX
;
1040 * phy_interface_is_rgmii - Convenience function for testing if a PHY interface
1041 * is RGMII (all variants)
1042 * @phydev: the phy_device struct
1044 static inline bool phy_interface_is_rgmii(struct phy_device
*phydev
)
1046 return phy_interface_mode_is_rgmii(phydev
->interface
);
1050 * phy_is_pseudo_fixed_link - Convenience function for testing if this
1051 * PHY is the CPU port facing side of an Ethernet switch, or similar.
1052 * @phydev: the phy_device struct
1054 static inline bool phy_is_pseudo_fixed_link(struct phy_device
*phydev
)
1056 return phydev
->is_pseudo_fixed_link
;
1059 int phy_save_page(struct phy_device
*phydev
);
1060 int phy_select_page(struct phy_device
*phydev
, int page
);
1061 int phy_restore_page(struct phy_device
*phydev
, int oldpage
, int ret
);
1062 int phy_read_paged(struct phy_device
*phydev
, int page
, u32 regnum
);
1063 int phy_write_paged(struct phy_device
*phydev
, int page
, u32 regnum
, u16 val
);
1064 int phy_modify_paged_changed(struct phy_device
*phydev
, int page
, u32 regnum
,
1066 int phy_modify_paged(struct phy_device
*phydev
, int page
, u32 regnum
,
1069 struct phy_device
*phy_device_create(struct mii_bus
*bus
, int addr
, u32 phy_id
,
1071 struct phy_c45_device_ids
*c45_ids
);
1072 #if IS_ENABLED(CONFIG_PHYLIB)
1073 struct phy_device
*get_phy_device(struct mii_bus
*bus
, int addr
, bool is_c45
);
1074 int phy_device_register(struct phy_device
*phy
);
1075 void phy_device_free(struct phy_device
*phydev
);
1078 struct phy_device
*get_phy_device(struct mii_bus
*bus
, int addr
, bool is_c45
)
1083 static inline int phy_device_register(struct phy_device
*phy
)
1088 static inline void phy_device_free(struct phy_device
*phydev
) { }
1089 #endif /* CONFIG_PHYLIB */
1090 void phy_device_remove(struct phy_device
*phydev
);
1091 int phy_init_hw(struct phy_device
*phydev
);
1092 int phy_suspend(struct phy_device
*phydev
);
1093 int phy_resume(struct phy_device
*phydev
);
1094 int __phy_resume(struct phy_device
*phydev
);
1095 int phy_loopback(struct phy_device
*phydev
, bool enable
);
1096 void phy_sfp_attach(void *upstream
, struct sfp_bus
*bus
);
1097 void phy_sfp_detach(void *upstream
, struct sfp_bus
*bus
);
1098 int phy_sfp_probe(struct phy_device
*phydev
,
1099 const struct sfp_upstream_ops
*ops
);
1100 struct phy_device
*phy_attach(struct net_device
*dev
, const char *bus_id
,
1101 phy_interface_t interface
);
1102 struct phy_device
*phy_find_first(struct mii_bus
*bus
);
1103 int phy_attach_direct(struct net_device
*dev
, struct phy_device
*phydev
,
1104 u32 flags
, phy_interface_t interface
);
1105 int phy_connect_direct(struct net_device
*dev
, struct phy_device
*phydev
,
1106 void (*handler
)(struct net_device
*),
1107 phy_interface_t interface
);
1108 struct phy_device
*phy_connect(struct net_device
*dev
, const char *bus_id
,
1109 void (*handler
)(struct net_device
*),
1110 phy_interface_t interface
);
1111 void phy_disconnect(struct phy_device
*phydev
);
1112 void phy_detach(struct phy_device
*phydev
);
1113 void phy_start(struct phy_device
*phydev
);
1114 void phy_stop(struct phy_device
*phydev
);
1115 int phy_start_aneg(struct phy_device
*phydev
);
1116 int phy_aneg_done(struct phy_device
*phydev
);
1117 int phy_speed_down(struct phy_device
*phydev
, bool sync
);
1118 int phy_speed_up(struct phy_device
*phydev
);
1120 int phy_restart_aneg(struct phy_device
*phydev
);
1121 int phy_reset_after_clk_enable(struct phy_device
*phydev
);
1123 static inline void phy_device_reset(struct phy_device
*phydev
, int value
)
1125 mdio_device_reset(&phydev
->mdio
, value
);
1128 #define phydev_err(_phydev, format, args...) \
1129 dev_err(&_phydev->mdio.dev, format, ##args)
1131 #define phydev_info(_phydev, format, args...) \
1132 dev_info(&_phydev->mdio.dev, format, ##args)
1134 #define phydev_warn(_phydev, format, args...) \
1135 dev_warn(&_phydev->mdio.dev, format, ##args)
1137 #define phydev_dbg(_phydev, format, args...) \
1138 dev_dbg(&_phydev->mdio.dev, format, ##args)
1140 static inline const char *phydev_name(const struct phy_device
*phydev
)
1142 return dev_name(&phydev
->mdio
.dev
);
1145 static inline void phy_lock_mdio_bus(struct phy_device
*phydev
)
1147 mutex_lock(&phydev
->mdio
.bus
->mdio_lock
);
1150 static inline void phy_unlock_mdio_bus(struct phy_device
*phydev
)
1152 mutex_unlock(&phydev
->mdio
.bus
->mdio_lock
);
1155 void phy_attached_print(struct phy_device
*phydev
, const char *fmt
, ...)
1157 char *phy_attached_info_irq(struct phy_device
*phydev
)
1159 void phy_attached_info(struct phy_device
*phydev
);
1162 int genphy_read_abilities(struct phy_device
*phydev
);
1163 int genphy_setup_forced(struct phy_device
*phydev
);
1164 int genphy_restart_aneg(struct phy_device
*phydev
);
1165 int genphy_check_and_restart_aneg(struct phy_device
*phydev
, bool restart
);
1166 int genphy_config_eee_advert(struct phy_device
*phydev
);
1167 int __genphy_config_aneg(struct phy_device
*phydev
, bool changed
);
1168 int genphy_aneg_done(struct phy_device
*phydev
);
1169 int genphy_update_link(struct phy_device
*phydev
);
1170 int genphy_read_lpa(struct phy_device
*phydev
);
1171 int genphy_read_status_fixed(struct phy_device
*phydev
);
1172 int genphy_read_status(struct phy_device
*phydev
);
1173 int genphy_suspend(struct phy_device
*phydev
);
1174 int genphy_resume(struct phy_device
*phydev
);
1175 int genphy_loopback(struct phy_device
*phydev
, bool enable
);
1176 int genphy_soft_reset(struct phy_device
*phydev
);
1178 static inline int genphy_config_aneg(struct phy_device
*phydev
)
1180 return __genphy_config_aneg(phydev
, false);
1183 static inline int genphy_no_soft_reset(struct phy_device
*phydev
)
1187 static inline int genphy_no_ack_interrupt(struct phy_device
*phydev
)
1191 static inline int genphy_no_config_intr(struct phy_device
*phydev
)
1195 int genphy_read_mmd_unsupported(struct phy_device
*phdev
, int devad
,
1197 int genphy_write_mmd_unsupported(struct phy_device
*phdev
, int devnum
,
1198 u16 regnum
, u16 val
);
1201 int genphy_c37_config_aneg(struct phy_device
*phydev
);
1202 int genphy_c37_read_status(struct phy_device
*phydev
);
1205 int genphy_c45_restart_aneg(struct phy_device
*phydev
);
1206 int genphy_c45_check_and_restart_aneg(struct phy_device
*phydev
, bool restart
);
1207 int genphy_c45_aneg_done(struct phy_device
*phydev
);
1208 int genphy_c45_read_link(struct phy_device
*phydev
);
1209 int genphy_c45_read_lpa(struct phy_device
*phydev
);
1210 int genphy_c45_read_pma(struct phy_device
*phydev
);
1211 int genphy_c45_pma_setup_forced(struct phy_device
*phydev
);
1212 int genphy_c45_an_config_aneg(struct phy_device
*phydev
);
1213 int genphy_c45_an_disable_aneg(struct phy_device
*phydev
);
1214 int genphy_c45_read_mdix(struct phy_device
*phydev
);
1215 int genphy_c45_pma_read_abilities(struct phy_device
*phydev
);
1216 int genphy_c45_read_status(struct phy_device
*phydev
);
1217 int genphy_c45_config_aneg(struct phy_device
*phydev
);
1219 /* The gen10g_* functions are the old Clause 45 stub */
1220 int gen10g_config_aneg(struct phy_device
*phydev
);
1222 static inline int phy_read_status(struct phy_device
*phydev
)
1227 if (phydev
->drv
->read_status
)
1228 return phydev
->drv
->read_status(phydev
);
1230 return genphy_read_status(phydev
);
1233 void phy_driver_unregister(struct phy_driver
*drv
);
1234 void phy_drivers_unregister(struct phy_driver
*drv
, int n
);
1235 int phy_driver_register(struct phy_driver
*new_driver
, struct module
*owner
);
1236 int phy_drivers_register(struct phy_driver
*new_driver
, int n
,
1237 struct module
*owner
);
1238 void phy_state_machine(struct work_struct
*work
);
1239 void phy_queue_state_machine(struct phy_device
*phydev
, unsigned long jiffies
);
1240 void phy_mac_interrupt(struct phy_device
*phydev
);
1241 void phy_start_machine(struct phy_device
*phydev
);
1242 void phy_stop_machine(struct phy_device
*phydev
);
1243 void phy_ethtool_ksettings_get(struct phy_device
*phydev
,
1244 struct ethtool_link_ksettings
*cmd
);
1245 int phy_ethtool_ksettings_set(struct phy_device
*phydev
,
1246 const struct ethtool_link_ksettings
*cmd
);
1247 int phy_mii_ioctl(struct phy_device
*phydev
, struct ifreq
*ifr
, int cmd
);
1248 int phy_do_ioctl(struct net_device
*dev
, struct ifreq
*ifr
, int cmd
);
1249 int phy_do_ioctl_running(struct net_device
*dev
, struct ifreq
*ifr
, int cmd
);
1250 void phy_request_interrupt(struct phy_device
*phydev
);
1251 void phy_free_interrupt(struct phy_device
*phydev
);
1252 void phy_print_status(struct phy_device
*phydev
);
1253 int phy_set_max_speed(struct phy_device
*phydev
, u32 max_speed
);
1254 void phy_remove_link_mode(struct phy_device
*phydev
, u32 link_mode
);
1255 void phy_advertise_supported(struct phy_device
*phydev
);
1256 void phy_support_sym_pause(struct phy_device
*phydev
);
1257 void phy_support_asym_pause(struct phy_device
*phydev
);
1258 void phy_set_sym_pause(struct phy_device
*phydev
, bool rx
, bool tx
,
1260 void phy_set_asym_pause(struct phy_device
*phydev
, bool rx
, bool tx
);
1261 bool phy_validate_pause(struct phy_device
*phydev
,
1262 struct ethtool_pauseparam
*pp
);
1264 int phy_register_fixup(const char *bus_id
, u32 phy_uid
, u32 phy_uid_mask
,
1265 int (*run
)(struct phy_device
*));
1266 int phy_register_fixup_for_id(const char *bus_id
,
1267 int (*run
)(struct phy_device
*));
1268 int phy_register_fixup_for_uid(u32 phy_uid
, u32 phy_uid_mask
,
1269 int (*run
)(struct phy_device
*));
1271 int phy_unregister_fixup(const char *bus_id
, u32 phy_uid
, u32 phy_uid_mask
);
1272 int phy_unregister_fixup_for_id(const char *bus_id
);
1273 int phy_unregister_fixup_for_uid(u32 phy_uid
, u32 phy_uid_mask
);
1275 int phy_init_eee(struct phy_device
*phydev
, bool clk_stop_enable
);
1276 int phy_get_eee_err(struct phy_device
*phydev
);
1277 int phy_ethtool_set_eee(struct phy_device
*phydev
, struct ethtool_eee
*data
);
1278 int phy_ethtool_get_eee(struct phy_device
*phydev
, struct ethtool_eee
*data
);
1279 int phy_ethtool_set_wol(struct phy_device
*phydev
, struct ethtool_wolinfo
*wol
);
1280 void phy_ethtool_get_wol(struct phy_device
*phydev
,
1281 struct ethtool_wolinfo
*wol
);
1282 int phy_ethtool_get_link_ksettings(struct net_device
*ndev
,
1283 struct ethtool_link_ksettings
*cmd
);
1284 int phy_ethtool_set_link_ksettings(struct net_device
*ndev
,
1285 const struct ethtool_link_ksettings
*cmd
);
1286 int phy_ethtool_nway_reset(struct net_device
*ndev
);
1288 #if IS_ENABLED(CONFIG_PHYLIB)
1289 int __init
mdio_bus_init(void);
1290 void mdio_bus_exit(void);
1293 /* Inline function for use within net/core/ethtool.c (built-in) */
1294 static inline int phy_ethtool_get_strings(struct phy_device
*phydev
, u8
*data
)
1299 mutex_lock(&phydev
->lock
);
1300 phydev
->drv
->get_strings(phydev
, data
);
1301 mutex_unlock(&phydev
->lock
);
1306 static inline int phy_ethtool_get_sset_count(struct phy_device
*phydev
)
1313 if (phydev
->drv
->get_sset_count
&&
1314 phydev
->drv
->get_strings
&&
1315 phydev
->drv
->get_stats
) {
1316 mutex_lock(&phydev
->lock
);
1317 ret
= phydev
->drv
->get_sset_count(phydev
);
1318 mutex_unlock(&phydev
->lock
);
1326 static inline int phy_ethtool_get_stats(struct phy_device
*phydev
,
1327 struct ethtool_stats
*stats
, u64
*data
)
1332 mutex_lock(&phydev
->lock
);
1333 phydev
->drv
->get_stats(phydev
, stats
, data
);
1334 mutex_unlock(&phydev
->lock
);
1339 extern struct bus_type mdio_bus_type
;
1341 struct mdio_board_info
{
1343 char modalias
[MDIO_NAME_SIZE
];
1345 const void *platform_data
;
1348 #if IS_ENABLED(CONFIG_MDIO_DEVICE)
1349 int mdiobus_register_board_info(const struct mdio_board_info
*info
,
1352 static inline int mdiobus_register_board_info(const struct mdio_board_info
*i
,
1361 * module_phy_driver() - Helper macro for registering PHY drivers
1362 * @__phy_drivers: array of PHY drivers to register
1364 * Helper macro for PHY drivers which do not do anything special in module
1365 * init/exit. Each module may only use this macro once, and calling it
1366 * replaces module_init() and module_exit().
1368 #define phy_module_driver(__phy_drivers, __count) \
1369 static int __init phy_module_init(void) \
1371 return phy_drivers_register(__phy_drivers, __count, THIS_MODULE); \
1373 module_init(phy_module_init); \
1374 static void __exit phy_module_exit(void) \
1376 phy_drivers_unregister(__phy_drivers, __count); \
1378 module_exit(phy_module_exit)
1380 #define module_phy_driver(__phy_drivers) \
1381 phy_module_driver(__phy_drivers, ARRAY_SIZE(__phy_drivers))
1383 bool phy_driver_is_genphy(struct phy_device
*phydev
);
1384 bool phy_driver_is_genphy_10g(struct phy_device
*phydev
);
1386 #endif /* __PHY_H */