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>
28 #include <linux/phy_led_triggers.h>
30 #include <linux/atomic.h>
32 #define PHY_DEFAULT_FEATURES (SUPPORTED_Autoneg | \
36 #define PHY_10BT_FEATURES (SUPPORTED_10baseT_Half | \
37 SUPPORTED_10baseT_Full)
39 #define PHY_100BT_FEATURES (SUPPORTED_100baseT_Half | \
40 SUPPORTED_100baseT_Full)
42 #define PHY_1000BT_FEATURES (SUPPORTED_1000baseT_Half | \
43 SUPPORTED_1000baseT_Full)
45 #define PHY_BASIC_FEATURES (PHY_10BT_FEATURES | \
46 PHY_100BT_FEATURES | \
49 #define PHY_GBIT_FEATURES (PHY_BASIC_FEATURES | \
54 * Set phydev->irq to PHY_POLL if interrupts are not supported,
55 * or not desired for this PHY. Set to PHY_IGNORE_INTERRUPT if
56 * the attached driver handles the interrupt
59 #define PHY_IGNORE_INTERRUPT -2
61 #define PHY_HAS_INTERRUPT 0x00000001
62 #define PHY_HAS_MAGICANEG 0x00000002
63 #define PHY_IS_INTERNAL 0x00000004
64 #define MDIO_DEVICE_IS_PHY 0x80000000
66 /* Interface Mode definitions */
68 PHY_INTERFACE_MODE_NA,
69 PHY_INTERFACE_MODE_MII,
70 PHY_INTERFACE_MODE_GMII,
71 PHY_INTERFACE_MODE_SGMII,
72 PHY_INTERFACE_MODE_TBI,
73 PHY_INTERFACE_MODE_REVMII,
74 PHY_INTERFACE_MODE_RMII,
75 PHY_INTERFACE_MODE_RGMII,
76 PHY_INTERFACE_MODE_RGMII_ID,
77 PHY_INTERFACE_MODE_RGMII_RXID,
78 PHY_INTERFACE_MODE_RGMII_TXID,
79 PHY_INTERFACE_MODE_RTBI,
80 PHY_INTERFACE_MODE_SMII,
81 PHY_INTERFACE_MODE_XGMII,
82 PHY_INTERFACE_MODE_MOCA,
83 PHY_INTERFACE_MODE_QSGMII,
84 PHY_INTERFACE_MODE_TRGMII,
85 PHY_INTERFACE_MODE_MAX,
89 * phy_supported_speeds - return all speeds currently supported by a phy device
90 * @phy: The phy device to return supported speeds of.
91 * @speeds: buffer to store supported speeds in.
92 * @size: size of speeds buffer.
94 * Description: Returns the number of supported speeds, and
95 * fills the speeds * buffer with the supported speeds. If speeds buffer is
96 * too small to contain * all currently supported speeds, will return as
97 * many speeds as can fit.
99 unsigned int phy_supported_speeds(struct phy_device *phy,
100 unsigned int *speeds,
104 * It maps 'enum phy_interface_t' found in include/linux/phy.h
105 * into the device tree binding of 'phy-mode', so that Ethernet
106 * device driver can get phy interface from device tree.
108 static inline const char *phy_modes(phy_interface_t interface)
111 case PHY_INTERFACE_MODE_NA:
113 case PHY_INTERFACE_MODE_MII:
115 case PHY_INTERFACE_MODE_GMII:
117 case PHY_INTERFACE_MODE_SGMII:
119 case PHY_INTERFACE_MODE_TBI:
121 case PHY_INTERFACE_MODE_REVMII:
123 case PHY_INTERFACE_MODE_RMII:
125 case PHY_INTERFACE_MODE_RGMII:
127 case PHY_INTERFACE_MODE_RGMII_ID:
129 case PHY_INTERFACE_MODE_RGMII_RXID:
131 case PHY_INTERFACE_MODE_RGMII_TXID:
133 case PHY_INTERFACE_MODE_RTBI:
135 case PHY_INTERFACE_MODE_SMII:
137 case PHY_INTERFACE_MODE_XGMII:
139 case PHY_INTERFACE_MODE_MOCA:
141 case PHY_INTERFACE_MODE_QSGMII:
143 case PHY_INTERFACE_MODE_TRGMII:
151 #define PHY_INIT_TIMEOUT 100000
152 #define PHY_STATE_TIME 1
153 #define PHY_FORCE_TIMEOUT 10
154 #define PHY_AN_TIMEOUT 10
156 #define PHY_MAX_ADDR 32
158 /* Used when trying to connect to a specific phy (mii bus id:phy device id) */
159 #define PHY_ID_FMT "%s:%02x"
162 * Need to be a little smaller than phydev->dev.bus_id to leave room
165 #define MII_BUS_ID_SIZE (20 - 3)
167 /* Or MII_ADDR_C45 into regnum for read/write on mii_bus to enable the 21 bit
168 IEEE 802.3ae clause 45 addressing mode used by 10GIGE phy chips. */
169 #define MII_ADDR_C45 (1<<30)
175 * The Bus class for PHYs. Devices which provide access to
176 * PHYs should register using this structure
179 struct module *owner;
181 char id[MII_BUS_ID_SIZE];
183 int (*read)(struct mii_bus *bus, int addr, int regnum);
184 int (*write)(struct mii_bus *bus, int addr, int regnum, u16 val);
185 int (*reset)(struct mii_bus *bus);
188 * A lock to ensure that only one thing can read/write
189 * the MDIO bus at a time
191 struct mutex mdio_lock;
193 struct device *parent;
195 MDIOBUS_ALLOCATED = 1,
197 MDIOBUS_UNREGISTERED,
202 /* list of all PHYs on bus */
203 struct mdio_device *mdio_map[PHY_MAX_ADDR];
205 /* PHY addresses to be ignored when probing */
208 /* PHY addresses to ignore the TA/read failure */
209 u32 phy_ignore_ta_mask;
212 * An array of interrupts, each PHY's interrupt at the index
213 * matching its address
215 int irq[PHY_MAX_ADDR];
217 #define to_mii_bus(d) container_of(d, struct mii_bus, dev)
219 struct mii_bus *mdiobus_alloc_size(size_t);
220 static inline struct mii_bus *mdiobus_alloc(void)
222 return mdiobus_alloc_size(0);
225 int __mdiobus_register(struct mii_bus *bus, struct module *owner);
226 #define mdiobus_register(bus) __mdiobus_register(bus, THIS_MODULE)
227 void mdiobus_unregister(struct mii_bus *bus);
228 void mdiobus_free(struct mii_bus *bus);
229 struct mii_bus *devm_mdiobus_alloc_size(struct device *dev, int sizeof_priv);
230 static inline struct mii_bus *devm_mdiobus_alloc(struct device *dev)
232 return devm_mdiobus_alloc_size(dev, 0);
235 void devm_mdiobus_free(struct device *dev, struct mii_bus *bus);
236 struct phy_device *mdiobus_scan(struct mii_bus *bus, int addr);
238 #define PHY_INTERRUPT_DISABLED 0x0
239 #define PHY_INTERRUPT_ENABLED 0x80000000
241 /* PHY state machine states:
243 * DOWN: PHY device and driver are not ready for anything. probe
244 * should be called if and only if the PHY is in this state,
245 * given that the PHY device exists.
246 * - PHY driver probe function will, depending on the PHY, set
247 * the state to STARTING or READY
249 * STARTING: PHY device is coming up, and the ethernet driver is
250 * not ready. PHY drivers may set this in the probe function.
251 * If they do, they are responsible for making sure the state is
252 * eventually set to indicate whether the PHY is UP or READY,
253 * depending on the state when the PHY is done starting up.
254 * - PHY driver will set the state to READY
255 * - start will set the state to PENDING
257 * READY: PHY is ready to send and receive packets, but the
258 * controller is not. By default, PHYs which do not implement
259 * probe will be set to this state by phy_probe(). If the PHY
260 * driver knows the PHY is ready, and the PHY state is STARTING,
261 * then it sets this STATE.
262 * - start will set the state to UP
264 * PENDING: PHY device is coming up, but the ethernet driver is
265 * ready. phy_start will set this state if the PHY state is
267 * - PHY driver will set the state to UP when the PHY is ready
269 * UP: The PHY and attached device are ready to do work.
270 * Interrupts should be started here.
271 * - timer moves to AN
273 * AN: The PHY is currently negotiating the link state. Link is
274 * therefore down for now. phy_timer will set this state when it
275 * detects the state is UP. config_aneg will set this state
276 * whenever called with phydev->autoneg set to AUTONEG_ENABLE.
277 * - If autonegotiation finishes, but there's no link, it sets
278 * the state to NOLINK.
279 * - If aneg finishes with link, it sets the state to RUNNING,
280 * and calls adjust_link
281 * - If autonegotiation did not finish after an arbitrary amount
282 * of time, autonegotiation should be tried again if the PHY
283 * supports "magic" autonegotiation (back to AN)
284 * - If it didn't finish, and no magic_aneg, move to FORCING.
286 * NOLINK: PHY is up, but not currently plugged in.
287 * - If the timer notes that the link comes back, we move to RUNNING
288 * - config_aneg moves to AN
289 * - phy_stop moves to HALTED
291 * FORCING: PHY is being configured with forced settings
292 * - if link is up, move to RUNNING
293 * - If link is down, we drop to the next highest setting, and
294 * retry (FORCING) after a timeout
295 * - phy_stop moves to HALTED
297 * RUNNING: PHY is currently up, running, and possibly sending
298 * and/or receiving packets
299 * - timer will set CHANGELINK if we're polling (this ensures the
300 * link state is polled every other cycle of this state machine,
301 * which makes it every other second)
302 * - irq will set CHANGELINK
303 * - config_aneg will set AN
304 * - phy_stop moves to HALTED
306 * CHANGELINK: PHY experienced a change in link state
307 * - timer moves to RUNNING if link
308 * - timer moves to NOLINK if the link is down
309 * - phy_stop moves to HALTED
311 * HALTED: PHY is up, but no polling or interrupts are done. Or
312 * PHY is in an error state.
314 * - phy_start moves to RESUMING
316 * RESUMING: PHY was halted, but now wants to run again.
317 * - If we are forcing, or aneg is done, timer moves to RUNNING
318 * - If aneg is not done, timer moves to AN
319 * - phy_stop moves to HALTED
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 /* phy_device: An instance of a PHY
348 * drv: Pointer to the driver for this PHY instance
349 * phy_id: UID for this device found during discovery
350 * c45_ids: 802.3-c45 Device Identifers if is_c45.
351 * is_c45: Set to true if this phy uses clause 45 addressing.
352 * is_internal: Set to true if this phy is internal to a MAC.
353 * is_pseudo_fixed_link: Set to true if this phy is an Ethernet switch, etc.
354 * has_fixups: Set to true if this phy has fixups/quirks.
355 * suspended: Set to true if this phy has been suspended successfully.
356 * state: state of the PHY for management purposes
357 * dev_flags: Device-specific flags used by the PHY driver.
358 * link_timeout: The number of timer firings to wait before the
359 * giving up on the current attempt at acquiring a link
360 * irq: IRQ number of the PHY's interrupt (-1 if none)
361 * phy_timer: The timer for handling the state machine
362 * phy_queue: A work_queue for the phy_mac_interrupt
363 * attached_dev: The attached enet driver's device instance ptr
364 * adjust_link: Callback for the enet controller to respond to
365 * changes in the link state.
367 * speed, duplex, pause, supported, advertising, lp_advertising,
368 * and autoneg are used like in mii_if_info
370 * interrupts currently only supports enabled or disabled,
371 * but could be changed in the future to support enabling
372 * and disabling specific interrupts
374 * Contains some infrastructure for polling and interrupt
375 * handling, as well as handling shifts in PHY hardware state
378 struct mdio_device mdio;
380 /* Information about the PHY type */
381 /* And management functions */
382 struct phy_driver *drv;
386 struct phy_c45_device_ids c45_ids;
389 bool is_pseudo_fixed_link;
393 enum phy_state state;
397 phy_interface_t interface;
400 * forced speed & duplex (no autoneg)
401 * partner speed & duplex & pause (autoneg)
408 /* The most recently read link state */
411 /* Enabled Interrupts */
414 /* Union of PHY and Attached devices' supported modes */
415 /* See mii.h for more info */
424 #ifdef CONFIG_LED_TRIGGER_PHY
425 struct phy_led_trigger *phy_led_triggers;
426 unsigned int phy_num_led_triggers;
427 struct phy_led_trigger *last_triggered;
431 * Interrupt number for this PHY
432 * -1 means no interrupt
436 /* private data pointer */
437 /* For use by PHYs to maintain extra state */
440 /* Interrupt and Polling infrastructure */
441 struct work_struct phy_queue;
442 struct delayed_work state_queue;
443 atomic_t irq_disable;
447 struct net_device *attached_dev;
451 void (*adjust_link)(struct net_device *dev);
453 #define to_phy_device(d) container_of(to_mdio_device(d), \
454 struct phy_device, mdio)
456 /* struct phy_driver: Driver structure for a particular PHY type
458 * driver_data: static driver data
459 * phy_id: The result of reading the UID registers of this PHY
460 * type, and ANDing them with the phy_id_mask. This driver
461 * only works for PHYs with IDs which match this field
462 * name: The friendly name of this PHY type
463 * phy_id_mask: Defines the important bits of the phy_id
464 * features: A list of features (speed, duplex, etc) supported
466 * flags: A bitfield defining certain other features this PHY
467 * supports (like interrupts)
469 * The drivers must implement config_aneg and read_status. All
470 * other functions are optional. Note that none of these
471 * functions should be called from interrupt time. The goal is
472 * for the bus read/write functions to be able to block when the
473 * bus transaction is happening, and be freed up by an interrupt
474 * (The MPC85xx has this ability, though it is not currently
475 * supported in the driver).
478 struct mdio_driver_common mdiodrv;
481 unsigned int phy_id_mask;
484 const void *driver_data;
487 * Called to issue a PHY software reset
489 int (*soft_reset)(struct phy_device *phydev);
492 * Called to initialize the PHY,
493 * including after a reset
495 int (*config_init)(struct phy_device *phydev);
498 * Called during discovery. Used to set
499 * up device-specific structures, if any
501 int (*probe)(struct phy_device *phydev);
503 /* PHY Power Management */
504 int (*suspend)(struct phy_device *phydev);
505 int (*resume)(struct phy_device *phydev);
508 * Configures the advertisement and resets
509 * autonegotiation if phydev->autoneg is on,
510 * forces the speed to the current settings in phydev
511 * if phydev->autoneg is off
513 int (*config_aneg)(struct phy_device *phydev);
515 /* Determines the auto negotiation result */
516 int (*aneg_done)(struct phy_device *phydev);
518 /* Determines the negotiated speed and duplex */
519 int (*read_status)(struct phy_device *phydev);
521 /* Clears any pending interrupts */
522 int (*ack_interrupt)(struct phy_device *phydev);
524 /* Enables or disables interrupts */
525 int (*config_intr)(struct phy_device *phydev);
528 * Checks if the PHY generated an interrupt.
529 * For multi-PHY devices with shared PHY interrupt pin
531 int (*did_interrupt)(struct phy_device *phydev);
533 /* Clears up any memory if needed */
534 void (*remove)(struct phy_device *phydev);
536 /* Returns true if this is a suitable driver for the given
537 * phydev. If NULL, matching is based on phy_id and
540 int (*match_phy_device)(struct phy_device *phydev);
542 /* Handles ethtool queries for hardware time stamping. */
543 int (*ts_info)(struct phy_device *phydev, struct ethtool_ts_info *ti);
545 /* Handles SIOCSHWTSTAMP ioctl for hardware time stamping. */
546 int (*hwtstamp)(struct phy_device *phydev, struct ifreq *ifr);
549 * Requests a Rx timestamp for 'skb'. If the skb is accepted,
550 * the phy driver promises to deliver it using netif_rx() as
551 * soon as a timestamp becomes available. One of the
552 * PTP_CLASS_ values is passed in 'type'. The function must
553 * return true if the skb is accepted for delivery.
555 bool (*rxtstamp)(struct phy_device *dev, struct sk_buff *skb, int type);
558 * Requests a Tx timestamp for 'skb'. The phy driver promises
559 * to deliver it using skb_complete_tx_timestamp() as soon as a
560 * timestamp becomes available. One of the PTP_CLASS_ values
561 * is passed in 'type'.
563 void (*txtstamp)(struct phy_device *dev, struct sk_buff *skb, int type);
565 /* Some devices (e.g. qnap TS-119P II) require PHY register changes to
566 * enable Wake on LAN, so set_wol is provided to be called in the
567 * ethernet driver's set_wol function. */
568 int (*set_wol)(struct phy_device *dev, struct ethtool_wolinfo *wol);
570 /* See set_wol, but for checking whether Wake on LAN is enabled. */
571 void (*get_wol)(struct phy_device *dev, struct ethtool_wolinfo *wol);
574 * Called to inform a PHY device driver when the core is about to
575 * change the link state. This callback is supposed to be used as
576 * fixup hook for drivers that need to take action when the link
577 * state changes. Drivers are by no means allowed to mess with the
578 * PHY device structure in their implementations.
580 void (*link_change_notify)(struct phy_device *dev);
582 /* A function provided by a phy specific driver to override the
583 * the PHY driver framework support for reading a MMD register
584 * from the PHY. If not supported, return -1. This function is
585 * optional for PHY specific drivers, if not provided then the
586 * default MMD read function is used by the PHY framework.
588 int (*read_mmd_indirect)(struct phy_device *dev, int ptrad,
589 int devnum, int regnum);
591 /* A function provided by a phy specific driver to override the
592 * the PHY driver framework support for writing a MMD register
593 * from the PHY. This function is optional for PHY specific drivers,
594 * if not provided then the default MMD read function is used by
597 void (*write_mmd_indirect)(struct phy_device *dev, int ptrad,
598 int devnum, int regnum, u32 val);
600 /* Get the size and type of the eeprom contained within a plug-in
602 int (*module_info)(struct phy_device *dev,
603 struct ethtool_modinfo *modinfo);
605 /* Get the eeprom information from the plug-in module */
606 int (*module_eeprom)(struct phy_device *dev,
607 struct ethtool_eeprom *ee, u8 *data);
609 /* Get statistics from the phy using ethtool */
610 int (*get_sset_count)(struct phy_device *dev);
611 void (*get_strings)(struct phy_device *dev, u8 *data);
612 void (*get_stats)(struct phy_device *dev,
613 struct ethtool_stats *stats, u64 *data);
615 #define to_phy_driver(d) container_of(to_mdio_common_driver(d), \
616 struct phy_driver, mdiodrv)
618 #define PHY_ANY_ID "MATCH ANY PHY"
619 #define PHY_ANY_UID 0xffffffff
621 /* A Structure for boards to register fixups with the PHY Lib */
623 struct list_head list;
627 int (*run)(struct phy_device *phydev);
631 * phy_read_mmd - Convenience function for reading a register
632 * from an MMD on a given PHY.
633 * @phydev: The phy_device struct
634 * @devad: The MMD to read from
635 * @regnum: The register on the MMD to read
637 * Same rules as for phy_read();
639 static inline int phy_read_mmd(struct phy_device *phydev, int devad, u32 regnum)
644 return mdiobus_read(phydev->mdio.bus, phydev->mdio.addr,
645 MII_ADDR_C45 | (devad << 16) | (regnum & 0xffff));
649 * phy_read_mmd_indirect - reads data from the MMD registers
650 * @phydev: The PHY device bus
651 * @prtad: MMD Address
652 * @addr: PHY address on the MII bus
654 * Description: it reads data from the MMD registers (clause 22 to access to
655 * clause 45) of the specified phy address.
657 int phy_read_mmd_indirect(struct phy_device *phydev, int prtad, int devad);
660 * phy_read - Convenience function for reading a given PHY register
661 * @phydev: the phy_device struct
662 * @regnum: register number to read
664 * NOTE: MUST NOT be called from interrupt context,
665 * because the bus read/write functions may wait for an interrupt
666 * to conclude the operation.
668 static inline int phy_read(struct phy_device *phydev, u32 regnum)
670 return mdiobus_read(phydev->mdio.bus, phydev->mdio.addr, regnum);
674 * phy_write - Convenience function for writing a given PHY register
675 * @phydev: the phy_device struct
676 * @regnum: register number to write
677 * @val: value to write to @regnum
679 * NOTE: MUST NOT be called from interrupt context,
680 * because the bus read/write functions may wait for an interrupt
681 * to conclude the operation.
683 static inline int phy_write(struct phy_device *phydev, u32 regnum, u16 val)
685 return mdiobus_write(phydev->mdio.bus, phydev->mdio.addr, regnum, val);
689 * phy_interrupt_is_valid - Convenience function for testing a given PHY irq
690 * @phydev: the phy_device struct
692 * NOTE: must be kept in sync with addition/removal of PHY_POLL and
693 * PHY_IGNORE_INTERRUPT
695 static inline bool phy_interrupt_is_valid(struct phy_device *phydev)
697 return phydev->irq != PHY_POLL && phydev->irq != PHY_IGNORE_INTERRUPT;
701 * phy_is_internal - Convenience function for testing if a PHY is internal
702 * @phydev: the phy_device struct
704 static inline bool phy_is_internal(struct phy_device *phydev)
706 return phydev->is_internal;
710 * phy_interface_is_rgmii - Convenience function for testing if a PHY interface
711 * is RGMII (all variants)
712 * @phydev: the phy_device struct
714 static inline bool phy_interface_is_rgmii(struct phy_device *phydev)
716 return phydev->interface >= PHY_INTERFACE_MODE_RGMII &&
717 phydev->interface <= PHY_INTERFACE_MODE_RGMII_TXID;
721 * phy_is_pseudo_fixed_link - Convenience function for testing if this
722 * PHY is the CPU port facing side of an Ethernet switch, or similar.
723 * @phydev: the phy_device struct
725 static inline bool phy_is_pseudo_fixed_link(struct phy_device *phydev)
727 return phydev->is_pseudo_fixed_link;
731 * phy_write_mmd - Convenience function for writing a register
732 * on an MMD on a given PHY.
733 * @phydev: The phy_device struct
734 * @devad: The MMD to read from
735 * @regnum: The register on the MMD to read
736 * @val: value to write to @regnum
738 * Same rules as for phy_write();
740 static inline int phy_write_mmd(struct phy_device *phydev, int devad,
746 regnum = MII_ADDR_C45 | ((devad & 0x1f) << 16) | (regnum & 0xffff);
748 return mdiobus_write(phydev->mdio.bus, phydev->mdio.addr, regnum, val);
752 * phy_write_mmd_indirect - writes data to the MMD registers
753 * @phydev: The PHY device
754 * @prtad: MMD Address
756 * @data: data to write in the MMD register
758 * Description: Write data from the MMD registers of the specified
761 void phy_write_mmd_indirect(struct phy_device *phydev, int prtad,
762 int devad, u32 data);
764 struct phy_device *phy_device_create(struct mii_bus *bus, int addr, int phy_id,
766 struct phy_c45_device_ids *c45_ids);
767 struct phy_device *get_phy_device(struct mii_bus *bus, int addr, bool is_c45);
768 int phy_device_register(struct phy_device *phy);
769 void phy_device_remove(struct phy_device *phydev);
770 int phy_init_hw(struct phy_device *phydev);
771 int phy_suspend(struct phy_device *phydev);
772 int phy_resume(struct phy_device *phydev);
773 struct phy_device *phy_attach(struct net_device *dev, const char *bus_id,
774 phy_interface_t interface);
775 struct phy_device *phy_find_first(struct mii_bus *bus);
776 int phy_attach_direct(struct net_device *dev, struct phy_device *phydev,
777 u32 flags, phy_interface_t interface);
778 int phy_connect_direct(struct net_device *dev, struct phy_device *phydev,
779 void (*handler)(struct net_device *),
780 phy_interface_t interface);
781 struct phy_device *phy_connect(struct net_device *dev, const char *bus_id,
782 void (*handler)(struct net_device *),
783 phy_interface_t interface);
784 void phy_disconnect(struct phy_device *phydev);
785 void phy_detach(struct phy_device *phydev);
786 void phy_start(struct phy_device *phydev);
787 void phy_stop(struct phy_device *phydev);
788 int phy_start_aneg(struct phy_device *phydev);
789 int phy_aneg_done(struct phy_device *phydev);
791 int phy_stop_interrupts(struct phy_device *phydev);
793 static inline int phy_read_status(struct phy_device *phydev)
795 return phydev->drv->read_status(phydev);
798 #define phydev_err(_phydev, format, args...) \
799 dev_err(&_phydev->mdio.dev, format, ##args)
801 #define phydev_dbg(_phydev, format, args...) \
802 dev_dbg(&_phydev->mdio.dev, format, ##args);
804 static inline const char *phydev_name(const struct phy_device *phydev)
806 return dev_name(&phydev->mdio.dev);
809 void phy_attached_print(struct phy_device *phydev, const char *fmt, ...)
811 void phy_attached_info(struct phy_device *phydev);
812 int genphy_config_init(struct phy_device *phydev);
813 int genphy_setup_forced(struct phy_device *phydev);
814 int genphy_restart_aneg(struct phy_device *phydev);
815 int genphy_config_aneg(struct phy_device *phydev);
816 int genphy_aneg_done(struct phy_device *phydev);
817 int genphy_update_link(struct phy_device *phydev);
818 int genphy_read_status(struct phy_device *phydev);
819 int genphy_suspend(struct phy_device *phydev);
820 int genphy_resume(struct phy_device *phydev);
821 int genphy_soft_reset(struct phy_device *phydev);
822 void phy_driver_unregister(struct phy_driver *drv);
823 void phy_drivers_unregister(struct phy_driver *drv, int n);
824 int phy_driver_register(struct phy_driver *new_driver, struct module *owner);
825 int phy_drivers_register(struct phy_driver *new_driver, int n,
826 struct module *owner);
827 void phy_state_machine(struct work_struct *work);
828 void phy_change(struct phy_device *phydev);
829 void phy_change_work(struct work_struct *work);
830 void phy_mac_interrupt(struct phy_device *phydev, int new_link);
831 void phy_start_machine(struct phy_device *phydev);
832 void phy_stop_machine(struct phy_device *phydev);
833 int phy_ethtool_sset(struct phy_device *phydev, struct ethtool_cmd *cmd);
834 int phy_ethtool_gset(struct phy_device *phydev, struct ethtool_cmd *cmd);
835 int phy_ethtool_ksettings_get(struct phy_device *phydev,
836 struct ethtool_link_ksettings *cmd);
837 int phy_ethtool_ksettings_set(struct phy_device *phydev,
838 const struct ethtool_link_ksettings *cmd);
839 int phy_mii_ioctl(struct phy_device *phydev, struct ifreq *ifr, int cmd);
840 int phy_start_interrupts(struct phy_device *phydev);
841 void phy_print_status(struct phy_device *phydev);
842 void phy_device_free(struct phy_device *phydev);
843 int phy_set_max_speed(struct phy_device *phydev, u32 max_speed);
845 int phy_register_fixup(const char *bus_id, u32 phy_uid, u32 phy_uid_mask,
846 int (*run)(struct phy_device *));
847 int phy_register_fixup_for_id(const char *bus_id,
848 int (*run)(struct phy_device *));
849 int phy_register_fixup_for_uid(u32 phy_uid, u32 phy_uid_mask,
850 int (*run)(struct phy_device *));
852 int phy_init_eee(struct phy_device *phydev, bool clk_stop_enable);
853 int phy_get_eee_err(struct phy_device *phydev);
854 int phy_ethtool_set_eee(struct phy_device *phydev, struct ethtool_eee *data);
855 int phy_ethtool_get_eee(struct phy_device *phydev, struct ethtool_eee *data);
856 int phy_ethtool_set_wol(struct phy_device *phydev, struct ethtool_wolinfo *wol);
857 void phy_ethtool_get_wol(struct phy_device *phydev,
858 struct ethtool_wolinfo *wol);
859 int phy_ethtool_get_link_ksettings(struct net_device *ndev,
860 struct ethtool_link_ksettings *cmd);
861 int phy_ethtool_set_link_ksettings(struct net_device *ndev,
862 const struct ethtool_link_ksettings *cmd);
864 int __init mdio_bus_init(void);
865 void mdio_bus_exit(void);
867 extern struct bus_type mdio_bus_type;
870 * module_phy_driver() - Helper macro for registering PHY drivers
871 * @__phy_drivers: array of PHY drivers to register
873 * Helper macro for PHY drivers which do not do anything special in module
874 * init/exit. Each module may only use this macro once, and calling it
875 * replaces module_init() and module_exit().
877 #define phy_module_driver(__phy_drivers, __count) \
878 static int __init phy_module_init(void) \
880 return phy_drivers_register(__phy_drivers, __count, THIS_MODULE); \
882 module_init(phy_module_init); \
883 static void __exit phy_module_exit(void) \
885 phy_drivers_unregister(__phy_drivers, __count); \
887 module_exit(phy_module_exit)
889 #define module_phy_driver(__phy_drivers) \
890 phy_module_driver(__phy_drivers, ARRAY_SIZE(__phy_drivers))