2 * Framework and drivers for configuring and reading different PHYs
3 * Based on code in sungem_phy.c and gianfar_phy.c
7 * Copyright (c) 2004 Freescale Semiconductor, Inc.
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by the
11 * Free Software Foundation; either version 2 of the License, or (at your
12 * option) any later version.
19 #include <linux/compiler.h>
20 #include <linux/spinlock.h>
21 #include <linux/ethtool.h>
22 #include <linux/mdio.h>
23 #include <linux/mii.h>
24 #include <linux/module.h>
25 #include <linux/timer.h>
26 #include <linux/workqueue.h>
27 #include <linux/mod_devicetable.h>
29 #include <linux/atomic.h>
31 #define PHY_DEFAULT_FEATURES (SUPPORTED_Autoneg | \
35 #define PHY_10BT_FEATURES (SUPPORTED_10baseT_Half | \
36 SUPPORTED_10baseT_Full)
38 #define PHY_100BT_FEATURES (SUPPORTED_100baseT_Half | \
39 SUPPORTED_100baseT_Full)
41 #define PHY_1000BT_FEATURES (SUPPORTED_1000baseT_Half | \
42 SUPPORTED_1000baseT_Full)
44 #define PHY_BASIC_FEATURES (PHY_10BT_FEATURES | \
45 PHY_100BT_FEATURES | \
48 #define PHY_GBIT_FEATURES (PHY_BASIC_FEATURES | \
53 * Set phydev->irq to PHY_POLL if interrupts are not supported,
54 * or not desired for this PHY. Set to PHY_IGNORE_INTERRUPT if
55 * the attached driver handles the interrupt
58 #define PHY_IGNORE_INTERRUPT -2
60 #define PHY_HAS_INTERRUPT 0x00000001
61 #define PHY_HAS_MAGICANEG 0x00000002
62 #define PHY_IS_INTERNAL 0x00000004
63 #define MDIO_DEVICE_IS_PHY 0x80000000
65 /* Interface Mode definitions */
67 PHY_INTERFACE_MODE_NA,
68 PHY_INTERFACE_MODE_MII,
69 PHY_INTERFACE_MODE_GMII,
70 PHY_INTERFACE_MODE_SGMII,
71 PHY_INTERFACE_MODE_TBI,
72 PHY_INTERFACE_MODE_REVMII,
73 PHY_INTERFACE_MODE_RMII,
74 PHY_INTERFACE_MODE_RGMII,
75 PHY_INTERFACE_MODE_RGMII_ID,
76 PHY_INTERFACE_MODE_RGMII_RXID,
77 PHY_INTERFACE_MODE_RGMII_TXID,
78 PHY_INTERFACE_MODE_RTBI,
79 PHY_INTERFACE_MODE_SMII,
80 PHY_INTERFACE_MODE_XGMII,
81 PHY_INTERFACE_MODE_MOCA,
82 PHY_INTERFACE_MODE_QSGMII,
83 PHY_INTERFACE_MODE_TRGMII,
84 PHY_INTERFACE_MODE_MAX,
88 * It maps 'enum phy_interface_t' found in include/linux/phy.h
89 * into the device tree binding of 'phy-mode', so that Ethernet
90 * device driver can get phy interface from device tree.
92 static inline const char *phy_modes(phy_interface_t interface)
95 case PHY_INTERFACE_MODE_NA:
97 case PHY_INTERFACE_MODE_MII:
99 case PHY_INTERFACE_MODE_GMII:
101 case PHY_INTERFACE_MODE_SGMII:
103 case PHY_INTERFACE_MODE_TBI:
105 case PHY_INTERFACE_MODE_REVMII:
107 case PHY_INTERFACE_MODE_RMII:
109 case PHY_INTERFACE_MODE_RGMII:
111 case PHY_INTERFACE_MODE_RGMII_ID:
113 case PHY_INTERFACE_MODE_RGMII_RXID:
115 case PHY_INTERFACE_MODE_RGMII_TXID:
117 case PHY_INTERFACE_MODE_RTBI:
119 case PHY_INTERFACE_MODE_SMII:
121 case PHY_INTERFACE_MODE_XGMII:
123 case PHY_INTERFACE_MODE_MOCA:
125 case PHY_INTERFACE_MODE_QSGMII:
127 case PHY_INTERFACE_MODE_TRGMII:
135 #define PHY_INIT_TIMEOUT 100000
136 #define PHY_STATE_TIME 1
137 #define PHY_FORCE_TIMEOUT 10
138 #define PHY_AN_TIMEOUT 10
140 #define PHY_MAX_ADDR 32
142 /* Used when trying to connect to a specific phy (mii bus id:phy device id) */
143 #define PHY_ID_FMT "%s:%02x"
145 #define MII_BUS_ID_SIZE 61
147 /* Or MII_ADDR_C45 into regnum for read/write on mii_bus to enable the 21 bit
148 IEEE 802.3ae clause 45 addressing mode used by 10GIGE phy chips. */
149 #define MII_ADDR_C45 (1<<30)
155 * The Bus class for PHYs. Devices which provide access to
156 * PHYs should register using this structure
159 struct module *owner;
161 char id[MII_BUS_ID_SIZE];
163 int (*read)(struct mii_bus *bus, int addr, int regnum);
164 int (*write)(struct mii_bus *bus, int addr, int regnum, u16 val);
165 int (*reset)(struct mii_bus *bus);
168 * A lock to ensure that only one thing can read/write
169 * the MDIO bus at a time
171 struct mutex mdio_lock;
173 struct device *parent;
175 MDIOBUS_ALLOCATED = 1,
177 MDIOBUS_UNREGISTERED,
182 /* list of all PHYs on bus */
183 struct mdio_device *mdio_map[PHY_MAX_ADDR];
185 /* PHY addresses to be ignored when probing */
188 /* PHY addresses to ignore the TA/read failure */
189 u32 phy_ignore_ta_mask;
192 * An array of interrupts, each PHY's interrupt at the index
193 * matching its address
195 int irq[PHY_MAX_ADDR];
197 #define to_mii_bus(d) container_of(d, struct mii_bus, dev)
199 struct mii_bus *mdiobus_alloc_size(size_t);
200 static inline struct mii_bus *mdiobus_alloc(void)
202 return mdiobus_alloc_size(0);
205 int __mdiobus_register(struct mii_bus *bus, struct module *owner);
206 #define mdiobus_register(bus) __mdiobus_register(bus, THIS_MODULE)
207 void mdiobus_unregister(struct mii_bus *bus);
208 void mdiobus_free(struct mii_bus *bus);
209 struct mii_bus *devm_mdiobus_alloc_size(struct device *dev, int sizeof_priv);
210 static inline struct mii_bus *devm_mdiobus_alloc(struct device *dev)
212 return devm_mdiobus_alloc_size(dev, 0);
215 void devm_mdiobus_free(struct device *dev, struct mii_bus *bus);
216 struct phy_device *mdiobus_scan(struct mii_bus *bus, int addr);
218 #define PHY_INTERRUPT_DISABLED 0x0
219 #define PHY_INTERRUPT_ENABLED 0x80000000
221 /* PHY state machine states:
223 * DOWN: PHY device and driver are not ready for anything. probe
224 * should be called if and only if the PHY is in this state,
225 * given that the PHY device exists.
226 * - PHY driver probe function will, depending on the PHY, set
227 * the state to STARTING or READY
229 * STARTING: PHY device is coming up, and the ethernet driver is
230 * not ready. PHY drivers may set this in the probe function.
231 * If they do, they are responsible for making sure the state is
232 * eventually set to indicate whether the PHY is UP or READY,
233 * depending on the state when the PHY is done starting up.
234 * - PHY driver will set the state to READY
235 * - start will set the state to PENDING
237 * READY: PHY is ready to send and receive packets, but the
238 * controller is not. By default, PHYs which do not implement
239 * probe will be set to this state by phy_probe(). If the PHY
240 * driver knows the PHY is ready, and the PHY state is STARTING,
241 * then it sets this STATE.
242 * - start will set the state to UP
244 * PENDING: PHY device is coming up, but the ethernet driver is
245 * ready. phy_start will set this state if the PHY state is
247 * - PHY driver will set the state to UP when the PHY is ready
249 * UP: The PHY and attached device are ready to do work.
250 * Interrupts should be started here.
251 * - timer moves to AN
253 * AN: The PHY is currently negotiating the link state. Link is
254 * therefore down for now. phy_timer will set this state when it
255 * detects the state is UP. config_aneg will set this state
256 * whenever called with phydev->autoneg set to AUTONEG_ENABLE.
257 * - If autonegotiation finishes, but there's no link, it sets
258 * the state to NOLINK.
259 * - If aneg finishes with link, it sets the state to RUNNING,
260 * and calls adjust_link
261 * - If autonegotiation did not finish after an arbitrary amount
262 * of time, autonegotiation should be tried again if the PHY
263 * supports "magic" autonegotiation (back to AN)
264 * - If it didn't finish, and no magic_aneg, move to FORCING.
266 * NOLINK: PHY is up, but not currently plugged in.
267 * - If the timer notes that the link comes back, we move to RUNNING
268 * - config_aneg moves to AN
269 * - phy_stop moves to HALTED
271 * FORCING: PHY is being configured with forced settings
272 * - if link is up, move to RUNNING
273 * - If link is down, we drop to the next highest setting, and
274 * retry (FORCING) after a timeout
275 * - phy_stop moves to HALTED
277 * RUNNING: PHY is currently up, running, and possibly sending
278 * and/or receiving packets
279 * - timer will set CHANGELINK if we're polling (this ensures the
280 * link state is polled every other cycle of this state machine,
281 * which makes it every other second)
282 * - irq will set CHANGELINK
283 * - config_aneg will set AN
284 * - phy_stop moves to HALTED
286 * CHANGELINK: PHY experienced a change in link state
287 * - timer moves to RUNNING if link
288 * - timer moves to NOLINK if the link is down
289 * - phy_stop moves to HALTED
291 * HALTED: PHY is up, but no polling or interrupts are done. Or
292 * PHY is in an error state.
294 * - phy_start moves to RESUMING
296 * RESUMING: PHY was halted, but now wants to run again.
297 * - If we are forcing, or aneg is done, timer moves to RUNNING
298 * - If aneg is not done, timer moves to AN
299 * - phy_stop moves to HALTED
317 * struct phy_c45_device_ids - 802.3-c45 Device Identifiers
318 * @devices_in_package: Bit vector of devices present.
319 * @device_ids: The device identifer for each present device.
321 struct phy_c45_device_ids {
322 u32 devices_in_package;
326 /* phy_device: An instance of a PHY
328 * drv: Pointer to the driver for this PHY instance
329 * phy_id: UID for this device found during discovery
330 * c45_ids: 802.3-c45 Device Identifers if is_c45.
331 * is_c45: Set to true if this phy uses clause 45 addressing.
332 * is_internal: Set to true if this phy is internal to a MAC.
333 * is_pseudo_fixed_link: Set to true if this phy is an Ethernet switch, etc.
334 * has_fixups: Set to true if this phy has fixups/quirks.
335 * suspended: Set to true if this phy has been suspended successfully.
336 * state: state of the PHY for management purposes
337 * dev_flags: Device-specific flags used by the PHY driver.
338 * link_timeout: The number of timer firings to wait before the
339 * giving up on the current attempt at acquiring a link
340 * irq: IRQ number of the PHY's interrupt (-1 if none)
341 * phy_timer: The timer for handling the state machine
342 * phy_queue: A work_queue for the interrupt
343 * attached_dev: The attached enet driver's device instance ptr
344 * adjust_link: Callback for the enet controller to respond to
345 * changes in the link state.
347 * speed, duplex, pause, supported, advertising, lp_advertising,
348 * and autoneg are used like in mii_if_info
350 * interrupts currently only supports enabled or disabled,
351 * but could be changed in the future to support enabling
352 * and disabling specific interrupts
354 * Contains some infrastructure for polling and interrupt
355 * handling, as well as handling shifts in PHY hardware state
358 struct mdio_device mdio;
360 /* Information about the PHY type */
361 /* And management functions */
362 struct phy_driver *drv;
366 struct phy_c45_device_ids c45_ids;
369 bool is_pseudo_fixed_link;
373 enum phy_state state;
377 phy_interface_t interface;
380 * forced speed & duplex (no autoneg)
381 * partner speed & duplex & pause (autoneg)
388 /* The most recently read link state */
391 /* Enabled Interrupts */
394 /* Union of PHY and Attached devices' supported modes */
395 /* See mii.h for more info */
400 /* Energy efficient ethernet modes which should be prohibited */
401 u32 eee_broken_modes;
408 * Interrupt number for this PHY
409 * -1 means no interrupt
413 /* private data pointer */
414 /* For use by PHYs to maintain extra state */
417 /* Interrupt and Polling infrastructure */
418 struct work_struct phy_queue;
419 struct delayed_work state_queue;
420 atomic_t irq_disable;
424 struct net_device *attached_dev;
428 void (*adjust_link)(struct net_device *dev);
430 #define to_phy_device(d) container_of(to_mdio_device(d), \
431 struct phy_device, mdio)
433 /* struct phy_driver: Driver structure for a particular PHY type
435 * driver_data: static driver data
436 * phy_id: The result of reading the UID registers of this PHY
437 * type, and ANDing them with the phy_id_mask. This driver
438 * only works for PHYs with IDs which match this field
439 * name: The friendly name of this PHY type
440 * phy_id_mask: Defines the important bits of the phy_id
441 * features: A list of features (speed, duplex, etc) supported
443 * flags: A bitfield defining certain other features this PHY
444 * supports (like interrupts)
446 * The drivers must implement config_aneg and read_status. All
447 * other functions are optional. Note that none of these
448 * functions should be called from interrupt time. The goal is
449 * for the bus read/write functions to be able to block when the
450 * bus transaction is happening, and be freed up by an interrupt
451 * (The MPC85xx has this ability, though it is not currently
452 * supported in the driver).
455 struct mdio_driver_common mdiodrv;
458 unsigned int phy_id_mask;
461 const void *driver_data;
464 * Called to issue a PHY software reset
466 int (*soft_reset)(struct phy_device *phydev);
469 * Called to initialize the PHY,
470 * including after a reset
472 int (*config_init)(struct phy_device *phydev);
475 * Called during discovery. Used to set
476 * up device-specific structures, if any
478 int (*probe)(struct phy_device *phydev);
480 /* PHY Power Management */
481 int (*suspend)(struct phy_device *phydev);
482 int (*resume)(struct phy_device *phydev);
485 * Configures the advertisement and resets
486 * autonegotiation if phydev->autoneg is on,
487 * forces the speed to the current settings in phydev
488 * if phydev->autoneg is off
490 int (*config_aneg)(struct phy_device *phydev);
492 /* Determines the auto negotiation result */
493 int (*aneg_done)(struct phy_device *phydev);
495 /* Determines the negotiated speed and duplex */
496 int (*read_status)(struct phy_device *phydev);
498 /* Clears any pending interrupts */
499 int (*ack_interrupt)(struct phy_device *phydev);
501 /* Enables or disables interrupts */
502 int (*config_intr)(struct phy_device *phydev);
505 * Checks if the PHY generated an interrupt.
506 * For multi-PHY devices with shared PHY interrupt pin
508 int (*did_interrupt)(struct phy_device *phydev);
510 /* Clears up any memory if needed */
511 void (*remove)(struct phy_device *phydev);
513 /* Returns true if this is a suitable driver for the given
514 * phydev. If NULL, matching is based on phy_id and
517 int (*match_phy_device)(struct phy_device *phydev);
519 /* Handles ethtool queries for hardware time stamping. */
520 int (*ts_info)(struct phy_device *phydev, struct ethtool_ts_info *ti);
522 /* Handles SIOCSHWTSTAMP ioctl for hardware time stamping. */
523 int (*hwtstamp)(struct phy_device *phydev, struct ifreq *ifr);
526 * Requests a Rx timestamp for 'skb'. If the skb is accepted,
527 * the phy driver promises to deliver it using netif_rx() as
528 * soon as a timestamp becomes available. One of the
529 * PTP_CLASS_ values is passed in 'type'. The function must
530 * return true if the skb is accepted for delivery.
532 bool (*rxtstamp)(struct phy_device *dev, struct sk_buff *skb, int type);
535 * Requests a Tx timestamp for 'skb'. The phy driver promises
536 * to deliver it using skb_complete_tx_timestamp() as soon as a
537 * timestamp becomes available. One of the PTP_CLASS_ values
538 * is passed in 'type'.
540 void (*txtstamp)(struct phy_device *dev, struct sk_buff *skb, int type);
542 /* Some devices (e.g. qnap TS-119P II) require PHY register changes to
543 * enable Wake on LAN, so set_wol is provided to be called in the
544 * ethernet driver's set_wol function. */
545 int (*set_wol)(struct phy_device *dev, struct ethtool_wolinfo *wol);
547 /* See set_wol, but for checking whether Wake on LAN is enabled. */
548 void (*get_wol)(struct phy_device *dev, struct ethtool_wolinfo *wol);
551 * Called to inform a PHY device driver when the core is about to
552 * change the link state. This callback is supposed to be used as
553 * fixup hook for drivers that need to take action when the link
554 * state changes. Drivers are by no means allowed to mess with the
555 * PHY device structure in their implementations.
557 void (*link_change_notify)(struct phy_device *dev);
559 /* A function provided by a phy specific driver to override the
560 * the PHY driver framework support for reading a MMD register
561 * from the PHY. If not supported, return -1. This function is
562 * optional for PHY specific drivers, if not provided then the
563 * default MMD read function is used by the PHY framework.
565 int (*read_mmd_indirect)(struct phy_device *dev, int ptrad,
566 int devnum, int regnum);
568 /* A function provided by a phy specific driver to override the
569 * the PHY driver framework support for writing a MMD register
570 * from the PHY. This function is optional for PHY specific drivers,
571 * if not provided then the default MMD read function is used by
574 void (*write_mmd_indirect)(struct phy_device *dev, int ptrad,
575 int devnum, int regnum, u32 val);
577 /* Get the size and type of the eeprom contained within a plug-in
579 int (*module_info)(struct phy_device *dev,
580 struct ethtool_modinfo *modinfo);
582 /* Get the eeprom information from the plug-in module */
583 int (*module_eeprom)(struct phy_device *dev,
584 struct ethtool_eeprom *ee, u8 *data);
586 /* Get statistics from the phy using ethtool */
587 int (*get_sset_count)(struct phy_device *dev);
588 void (*get_strings)(struct phy_device *dev, u8 *data);
589 void (*get_stats)(struct phy_device *dev,
590 struct ethtool_stats *stats, u64 *data);
592 #define to_phy_driver(d) container_of(to_mdio_common_driver(d), \
593 struct phy_driver, mdiodrv)
595 #define PHY_ANY_ID "MATCH ANY PHY"
596 #define PHY_ANY_UID 0xffffffff
598 /* A Structure for boards to register fixups with the PHY Lib */
600 struct list_head list;
601 char bus_id[MII_BUS_ID_SIZE + 3];
604 int (*run)(struct phy_device *phydev);
608 * phy_read_mmd - Convenience function for reading a register
609 * from an MMD on a given PHY.
610 * @phydev: The phy_device struct
611 * @devad: The MMD to read from
612 * @regnum: The register on the MMD to read
614 * Same rules as for phy_read();
616 static inline int phy_read_mmd(struct phy_device *phydev, int devad, u32 regnum)
621 return mdiobus_read(phydev->mdio.bus, phydev->mdio.addr,
622 MII_ADDR_C45 | (devad << 16) | (regnum & 0xffff));
626 * phy_read_mmd_indirect - reads data from the MMD registers
627 * @phydev: The PHY device bus
628 * @prtad: MMD Address
629 * @addr: PHY address on the MII bus
631 * Description: it reads data from the MMD registers (clause 22 to access to
632 * clause 45) of the specified phy address.
634 int phy_read_mmd_indirect(struct phy_device *phydev, int prtad, int devad);
637 * phy_read - Convenience function for reading a given PHY register
638 * @phydev: the phy_device struct
639 * @regnum: register number to read
641 * NOTE: MUST NOT be called from interrupt context,
642 * because the bus read/write functions may wait for an interrupt
643 * to conclude the operation.
645 static inline int phy_read(struct phy_device *phydev, u32 regnum)
647 return mdiobus_read(phydev->mdio.bus, phydev->mdio.addr, regnum);
651 * phy_write - Convenience function for writing a given PHY register
652 * @phydev: the phy_device struct
653 * @regnum: register number to write
654 * @val: value to write to @regnum
656 * NOTE: MUST NOT be called from interrupt context,
657 * because the bus read/write functions may wait for an interrupt
658 * to conclude the operation.
660 static inline int phy_write(struct phy_device *phydev, u32 regnum, u16 val)
662 return mdiobus_write(phydev->mdio.bus, phydev->mdio.addr, regnum, val);
666 * phy_interrupt_is_valid - Convenience function for testing a given PHY irq
667 * @phydev: the phy_device struct
669 * NOTE: must be kept in sync with addition/removal of PHY_POLL and
670 * PHY_IGNORE_INTERRUPT
672 static inline bool phy_interrupt_is_valid(struct phy_device *phydev)
674 return phydev->irq != PHY_POLL && phydev->irq != PHY_IGNORE_INTERRUPT;
678 * phy_is_internal - Convenience function for testing if a PHY is internal
679 * @phydev: the phy_device struct
681 static inline bool phy_is_internal(struct phy_device *phydev)
683 return phydev->is_internal;
687 * phy_interface_mode_is_rgmii - Convenience function for testing if a
688 * PHY interface mode is RGMII (all variants)
689 * @mode: the phy_interface_t enum
691 static inline bool phy_interface_mode_is_rgmii(phy_interface_t mode)
693 return mode >= PHY_INTERFACE_MODE_RGMII &&
694 mode <= PHY_INTERFACE_MODE_RGMII_TXID;
698 * phy_interface_is_rgmii - Convenience function for testing if a PHY interface
699 * is RGMII (all variants)
700 * @phydev: the phy_device struct
702 static inline bool phy_interface_is_rgmii(struct phy_device *phydev)
704 return phydev->interface >= PHY_INTERFACE_MODE_RGMII &&
705 phydev->interface <= PHY_INTERFACE_MODE_RGMII_TXID;
709 * phy_is_pseudo_fixed_link - Convenience function for testing if this
710 * PHY is the CPU port facing side of an Ethernet switch, or similar.
711 * @phydev: the phy_device struct
713 static inline bool phy_is_pseudo_fixed_link(struct phy_device *phydev)
715 return phydev->is_pseudo_fixed_link;
719 * phy_write_mmd - Convenience function for writing a register
720 * on an MMD on a given PHY.
721 * @phydev: The phy_device struct
722 * @devad: The MMD to read from
723 * @regnum: The register on the MMD to read
724 * @val: value to write to @regnum
726 * Same rules as for phy_write();
728 static inline int phy_write_mmd(struct phy_device *phydev, int devad,
734 regnum = MII_ADDR_C45 | ((devad & 0x1f) << 16) | (regnum & 0xffff);
736 return mdiobus_write(phydev->mdio.bus, phydev->mdio.addr, regnum, val);
740 * phy_write_mmd_indirect - writes data to the MMD registers
741 * @phydev: The PHY device
742 * @prtad: MMD Address
744 * @data: data to write in the MMD register
746 * Description: Write data from the MMD registers of the specified
749 void phy_write_mmd_indirect(struct phy_device *phydev, int prtad,
750 int devad, u32 data);
752 struct phy_device *phy_device_create(struct mii_bus *bus, int addr, int phy_id,
754 struct phy_c45_device_ids *c45_ids);
755 struct phy_device *get_phy_device(struct mii_bus *bus, int addr, bool is_c45);
756 int phy_device_register(struct phy_device *phy);
757 void phy_device_remove(struct phy_device *phydev);
758 int phy_init_hw(struct phy_device *phydev);
759 int phy_suspend(struct phy_device *phydev);
760 int phy_resume(struct phy_device *phydev);
761 struct phy_device *phy_attach(struct net_device *dev, const char *bus_id,
762 phy_interface_t interface);
763 struct phy_device *phy_find_first(struct mii_bus *bus);
764 int phy_attach_direct(struct net_device *dev, struct phy_device *phydev,
765 u32 flags, phy_interface_t interface);
766 int phy_connect_direct(struct net_device *dev, struct phy_device *phydev,
767 void (*handler)(struct net_device *),
768 phy_interface_t interface);
769 struct phy_device *phy_connect(struct net_device *dev, const char *bus_id,
770 void (*handler)(struct net_device *),
771 phy_interface_t interface);
772 void phy_disconnect(struct phy_device *phydev);
773 void phy_detach(struct phy_device *phydev);
774 void phy_start(struct phy_device *phydev);
775 void phy_stop(struct phy_device *phydev);
776 int phy_start_aneg(struct phy_device *phydev);
778 int phy_stop_interrupts(struct phy_device *phydev);
780 static inline int phy_read_status(struct phy_device *phydev)
782 return phydev->drv->read_status(phydev);
785 #define phydev_err(_phydev, format, args...) \
786 dev_err(&_phydev->mdio.dev, format, ##args)
788 #define phydev_dbg(_phydev, format, args...) \
789 dev_dbg(&_phydev->mdio.dev, format, ##args);
791 static inline const char *phydev_name(const struct phy_device *phydev)
793 return dev_name(&phydev->mdio.dev);
796 void phy_attached_print(struct phy_device *phydev, const char *fmt, ...)
798 void phy_attached_info(struct phy_device *phydev);
799 int genphy_config_init(struct phy_device *phydev);
800 int genphy_setup_forced(struct phy_device *phydev);
801 int genphy_restart_aneg(struct phy_device *phydev);
802 int genphy_config_aneg(struct phy_device *phydev);
803 int genphy_aneg_done(struct phy_device *phydev);
804 int genphy_update_link(struct phy_device *phydev);
805 int genphy_read_status(struct phy_device *phydev);
806 int genphy_suspend(struct phy_device *phydev);
807 int genphy_resume(struct phy_device *phydev);
808 int genphy_soft_reset(struct phy_device *phydev);
809 static inline int genphy_no_soft_reset(struct phy_device *phydev)
813 void phy_driver_unregister(struct phy_driver *drv);
814 void phy_drivers_unregister(struct phy_driver *drv, int n);
815 int phy_driver_register(struct phy_driver *new_driver, struct module *owner);
816 int phy_drivers_register(struct phy_driver *new_driver, int n,
817 struct module *owner);
818 void phy_state_machine(struct work_struct *work);
819 void phy_change(struct work_struct *work);
820 void phy_mac_interrupt(struct phy_device *phydev, int new_link);
821 void phy_start_machine(struct phy_device *phydev);
822 void phy_stop_machine(struct phy_device *phydev);
823 void phy_trigger_machine(struct phy_device *phydev, bool sync);
824 int phy_ethtool_sset(struct phy_device *phydev, struct ethtool_cmd *cmd);
825 int phy_ethtool_gset(struct phy_device *phydev, struct ethtool_cmd *cmd);
826 int phy_ethtool_ksettings_get(struct phy_device *phydev,
827 struct ethtool_link_ksettings *cmd);
828 int phy_ethtool_ksettings_set(struct phy_device *phydev,
829 const struct ethtool_link_ksettings *cmd);
830 int phy_mii_ioctl(struct phy_device *phydev, struct ifreq *ifr, int cmd);
831 int phy_start_interrupts(struct phy_device *phydev);
832 void phy_print_status(struct phy_device *phydev);
833 void phy_device_free(struct phy_device *phydev);
834 int phy_set_max_speed(struct phy_device *phydev, u32 max_speed);
836 int phy_register_fixup(const char *bus_id, u32 phy_uid, u32 phy_uid_mask,
837 int (*run)(struct phy_device *));
838 int phy_register_fixup_for_id(const char *bus_id,
839 int (*run)(struct phy_device *));
840 int phy_register_fixup_for_uid(u32 phy_uid, u32 phy_uid_mask,
841 int (*run)(struct phy_device *));
843 int phy_init_eee(struct phy_device *phydev, bool clk_stop_enable);
844 int phy_get_eee_err(struct phy_device *phydev);
845 int phy_ethtool_set_eee(struct phy_device *phydev, struct ethtool_eee *data);
846 int phy_ethtool_get_eee(struct phy_device *phydev, struct ethtool_eee *data);
847 int phy_ethtool_set_wol(struct phy_device *phydev, struct ethtool_wolinfo *wol);
848 void phy_ethtool_get_wol(struct phy_device *phydev,
849 struct ethtool_wolinfo *wol);
850 int phy_ethtool_get_link_ksettings(struct net_device *ndev,
851 struct ethtool_link_ksettings *cmd);
852 int phy_ethtool_set_link_ksettings(struct net_device *ndev,
853 const struct ethtool_link_ksettings *cmd);
855 int __init mdio_bus_init(void);
856 void mdio_bus_exit(void);
858 extern struct bus_type mdio_bus_type;
861 * module_phy_driver() - Helper macro for registering PHY drivers
862 * @__phy_drivers: array of PHY drivers to register
864 * Helper macro for PHY drivers which do not do anything special in module
865 * init/exit. Each module may only use this macro once, and calling it
866 * replaces module_init() and module_exit().
868 #define phy_module_driver(__phy_drivers, __count) \
869 static int __init phy_module_init(void) \
871 return phy_drivers_register(__phy_drivers, __count, THIS_MODULE); \
873 module_init(phy_module_init); \
874 static void __exit phy_module_exit(void) \
876 phy_drivers_unregister(__phy_drivers, __count); \
878 module_exit(phy_module_exit)
880 #define module_phy_driver(__phy_drivers) \
881 phy_module_driver(__phy_drivers, ARRAY_SIZE(__phy_drivers))