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/spinlock.h>
20 #include <linux/ethtool.h>
21 #include <linux/mdio.h>
22 #include <linux/mii.h>
23 #include <linux/module.h>
24 #include <linux/timer.h>
25 #include <linux/workqueue.h>
26 #include <linux/mod_devicetable.h>
28 #include <linux/atomic.h>
30 #define PHY_DEFAULT_FEATURES (SUPPORTED_Autoneg | \
34 #define PHY_10BT_FEATURES (SUPPORTED_10baseT_Half | \
35 SUPPORTED_10baseT_Full)
37 #define PHY_100BT_FEATURES (SUPPORTED_100baseT_Half | \
38 SUPPORTED_100baseT_Full)
40 #define PHY_1000BT_FEATURES (SUPPORTED_1000baseT_Half | \
41 SUPPORTED_1000baseT_Full)
43 #define PHY_BASIC_FEATURES (PHY_10BT_FEATURES | \
44 PHY_100BT_FEATURES | \
47 #define PHY_GBIT_FEATURES (PHY_BASIC_FEATURES | \
52 * Set phydev->irq to PHY_POLL if interrupts are not supported,
53 * or not desired for this PHY. Set to PHY_IGNORE_INTERRUPT if
54 * the attached driver handles the interrupt
57 #define PHY_IGNORE_INTERRUPT -2
59 #define PHY_HAS_INTERRUPT 0x00000001
60 #define PHY_HAS_MAGICANEG 0x00000002
61 #define PHY_IS_INTERNAL 0x00000004
63 /* Interface Mode definitions */
65 PHY_INTERFACE_MODE_NA,
66 PHY_INTERFACE_MODE_MII,
67 PHY_INTERFACE_MODE_GMII,
68 PHY_INTERFACE_MODE_SGMII,
69 PHY_INTERFACE_MODE_TBI,
70 PHY_INTERFACE_MODE_REVMII,
71 PHY_INTERFACE_MODE_RMII,
72 PHY_INTERFACE_MODE_RGMII,
73 PHY_INTERFACE_MODE_RGMII_ID,
74 PHY_INTERFACE_MODE_RGMII_RXID,
75 PHY_INTERFACE_MODE_RGMII_TXID,
76 PHY_INTERFACE_MODE_RTBI,
77 PHY_INTERFACE_MODE_SMII,
78 PHY_INTERFACE_MODE_XGMII,
79 PHY_INTERFACE_MODE_MOCA,
80 PHY_INTERFACE_MODE_QSGMII,
81 PHY_INTERFACE_MODE_MAX,
85 * It maps 'enum phy_interface_t' found in include/linux/phy.h
86 * into the device tree binding of 'phy-mode', so that Ethernet
87 * device driver can get phy interface from device tree.
89 static inline const char *phy_modes(phy_interface_t interface)
92 case PHY_INTERFACE_MODE_NA:
94 case PHY_INTERFACE_MODE_MII:
96 case PHY_INTERFACE_MODE_GMII:
98 case PHY_INTERFACE_MODE_SGMII:
100 case PHY_INTERFACE_MODE_TBI:
102 case PHY_INTERFACE_MODE_REVMII:
104 case PHY_INTERFACE_MODE_RMII:
106 case PHY_INTERFACE_MODE_RGMII:
108 case PHY_INTERFACE_MODE_RGMII_ID:
110 case PHY_INTERFACE_MODE_RGMII_RXID:
112 case PHY_INTERFACE_MODE_RGMII_TXID:
114 case PHY_INTERFACE_MODE_RTBI:
116 case PHY_INTERFACE_MODE_SMII:
118 case PHY_INTERFACE_MODE_XGMII:
120 case PHY_INTERFACE_MODE_MOCA:
122 case PHY_INTERFACE_MODE_QSGMII:
130 #define PHY_INIT_TIMEOUT 100000
131 #define PHY_STATE_TIME 1
132 #define PHY_FORCE_TIMEOUT 10
133 #define PHY_AN_TIMEOUT 10
135 #define PHY_MAX_ADDR 32
137 /* Used when trying to connect to a specific phy (mii bus id:phy device id) */
138 #define PHY_ID_FMT "%s:%02x"
140 #define MII_BUS_ID_SIZE 61
142 /* Or MII_ADDR_C45 into regnum for read/write on mii_bus to enable the 21 bit
143 IEEE 802.3ae clause 45 addressing mode used by 10GIGE phy chips. */
144 #define MII_ADDR_C45 (1<<30)
150 * The Bus class for PHYs. Devices which provide access to
151 * PHYs should register using this structure
154 struct module *owner;
156 char id[MII_BUS_ID_SIZE];
158 int (*read)(struct mii_bus *bus, int phy_id, int regnum);
159 int (*write)(struct mii_bus *bus, int phy_id, int regnum, u16 val);
160 int (*reset)(struct mii_bus *bus);
163 * A lock to ensure that only one thing can read/write
164 * the MDIO bus at a time
166 struct mutex mdio_lock;
168 struct device *parent;
170 MDIOBUS_ALLOCATED = 1,
172 MDIOBUS_UNREGISTERED,
177 /* list of all PHYs on bus */
178 struct phy_device *phy_map[PHY_MAX_ADDR];
180 /* PHY addresses to be ignored when probing */
183 /* PHY addresses to ignore the TA/read failure */
184 u32 phy_ignore_ta_mask;
187 * Pointer to an array of interrupts, each PHY's
188 * interrupt at the index matching its address
192 #define to_mii_bus(d) container_of(d, struct mii_bus, dev)
194 struct mii_bus *mdiobus_alloc_size(size_t);
195 static inline struct mii_bus *mdiobus_alloc(void)
197 return mdiobus_alloc_size(0);
200 int __mdiobus_register(struct mii_bus *bus, struct module *owner);
201 #define mdiobus_register(bus) __mdiobus_register(bus, THIS_MODULE)
202 void mdiobus_unregister(struct mii_bus *bus);
203 void mdiobus_free(struct mii_bus *bus);
204 struct mii_bus *devm_mdiobus_alloc_size(struct device *dev, int sizeof_priv);
205 static inline struct mii_bus *devm_mdiobus_alloc(struct device *dev)
207 return devm_mdiobus_alloc_size(dev, 0);
210 void devm_mdiobus_free(struct device *dev, struct mii_bus *bus);
211 struct phy_device *mdiobus_scan(struct mii_bus *bus, int addr);
212 int mdiobus_read(struct mii_bus *bus, int addr, u32 regnum);
213 int mdiobus_read_nested(struct mii_bus *bus, int addr, u32 regnum);
214 int mdiobus_write(struct mii_bus *bus, int addr, u32 regnum, u16 val);
215 int mdiobus_write_nested(struct mii_bus *bus, int addr, u32 regnum, u16 val);
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 * bus: Pointer to the bus this PHY is on
330 * dev: driver model device structure for this PHY
331 * phy_id: UID for this device found during discovery
332 * c45_ids: 802.3-c45 Device Identifers if is_c45.
333 * is_c45: Set to true if this phy uses clause 45 addressing.
334 * is_internal: Set to true if this phy is internal to a MAC.
335 * is_pseudo_fixed_link: Set to true if this phy is an Ethernet switch, etc.
336 * has_fixups: Set to true if this phy has fixups/quirks.
337 * suspended: Set to true if this phy has been suspended successfully.
338 * state: state of the PHY for management purposes
339 * dev_flags: Device-specific flags used by the PHY driver.
340 * addr: Bus address of PHY
341 * link_timeout: The number of timer firings to wait before the
342 * giving up on the current attempt at acquiring a link
343 * irq: IRQ number of the PHY's interrupt (-1 if none)
344 * phy_timer: The timer for handling the state machine
345 * phy_queue: A work_queue for the interrupt
346 * attached_dev: The attached enet driver's device instance ptr
347 * adjust_link: Callback for the enet controller to respond to
348 * changes in the link state.
350 * speed, duplex, pause, supported, advertising, lp_advertising,
351 * and autoneg are used like in mii_if_info
353 * interrupts currently only supports enabled or disabled,
354 * but could be changed in the future to support enabling
355 * and disabling specific interrupts
357 * Contains some infrastructure for polling and interrupt
358 * handling, as well as handling shifts in PHY hardware state
361 struct mdio_device mdio;
363 /* Information about the PHY type */
364 /* And management functions */
365 struct phy_driver *drv;
373 struct phy_c45_device_ids c45_ids;
376 bool is_pseudo_fixed_link;
380 enum phy_state state;
384 phy_interface_t interface;
386 /* Bus address of the PHY (0-31) */
390 * forced speed & duplex (no autoneg)
391 * partner speed & duplex & pause (autoneg)
398 /* The most recently read link state */
401 /* Enabled Interrupts */
404 /* Union of PHY and Attached devices' supported modes */
405 /* See mii.h for more info */
415 * Interrupt number for this PHY
416 * -1 means no interrupt
420 /* private data pointer */
421 /* For use by PHYs to maintain extra state */
424 /* Interrupt and Polling infrastructure */
425 struct work_struct phy_queue;
426 struct delayed_work state_queue;
427 atomic_t irq_disable;
431 struct net_device *attached_dev;
435 void (*adjust_link)(struct net_device *dev);
437 #define to_phy_device(d) container_of(d, struct phy_device, dev)
439 /* struct phy_driver: Driver structure for a particular PHY type
441 * phy_id: The result of reading the UID registers of this PHY
442 * type, and ANDing them with the phy_id_mask. This driver
443 * only works for PHYs with IDs which match this field
444 * name: The friendly name of this PHY type
445 * phy_id_mask: Defines the important bits of the phy_id
446 * features: A list of features (speed, duplex, etc) supported
448 * flags: A bitfield defining certain other features this PHY
449 * supports (like interrupts)
450 * driver_data: static driver data
452 * The drivers must implement config_aneg and read_status. All
453 * other functions are optional. Note that none of these
454 * functions should be called from interrupt time. The goal is
455 * for the bus read/write functions to be able to block when the
456 * bus transaction is happening, and be freed up by an interrupt
457 * (The MPC85xx has this ability, though it is not currently
458 * supported in the driver).
463 unsigned int phy_id_mask;
466 const void *driver_data;
469 * Called to issue a PHY software reset
471 int (*soft_reset)(struct phy_device *phydev);
474 * Called to initialize the PHY,
475 * including after a reset
477 int (*config_init)(struct phy_device *phydev);
480 * Called during discovery. Used to set
481 * up device-specific structures, if any
483 int (*probe)(struct phy_device *phydev);
485 /* PHY Power Management */
486 int (*suspend)(struct phy_device *phydev);
487 int (*resume)(struct phy_device *phydev);
490 * Configures the advertisement and resets
491 * autonegotiation if phydev->autoneg is on,
492 * forces the speed to the current settings in phydev
493 * if phydev->autoneg is off
495 int (*config_aneg)(struct phy_device *phydev);
497 /* Determines the auto negotiation result */
498 int (*aneg_done)(struct phy_device *phydev);
500 /* Determines the negotiated speed and duplex */
501 int (*read_status)(struct phy_device *phydev);
503 /* Clears any pending interrupts */
504 int (*ack_interrupt)(struct phy_device *phydev);
506 /* Enables or disables interrupts */
507 int (*config_intr)(struct phy_device *phydev);
510 * Checks if the PHY generated an interrupt.
511 * For multi-PHY devices with shared PHY interrupt pin
513 int (*did_interrupt)(struct phy_device *phydev);
515 /* Clears up any memory if needed */
516 void (*remove)(struct phy_device *phydev);
518 /* Returns true if this is a suitable driver for the given
519 * phydev. If NULL, matching is based on phy_id and
522 int (*match_phy_device)(struct phy_device *phydev);
524 /* Handles ethtool queries for hardware time stamping. */
525 int (*ts_info)(struct phy_device *phydev, struct ethtool_ts_info *ti);
527 /* Handles SIOCSHWTSTAMP ioctl for hardware time stamping. */
528 int (*hwtstamp)(struct phy_device *phydev, struct ifreq *ifr);
531 * Requests a Rx timestamp for 'skb'. If the skb is accepted,
532 * the phy driver promises to deliver it using netif_rx() as
533 * soon as a timestamp becomes available. One of the
534 * PTP_CLASS_ values is passed in 'type'. The function must
535 * return true if the skb is accepted for delivery.
537 bool (*rxtstamp)(struct phy_device *dev, struct sk_buff *skb, int type);
540 * Requests a Tx timestamp for 'skb'. The phy driver promises
541 * to deliver it using skb_complete_tx_timestamp() as soon as a
542 * timestamp becomes available. One of the PTP_CLASS_ values
543 * is passed in 'type'.
545 void (*txtstamp)(struct phy_device *dev, struct sk_buff *skb, int type);
547 /* Some devices (e.g. qnap TS-119P II) require PHY register changes to
548 * enable Wake on LAN, so set_wol is provided to be called in the
549 * ethernet driver's set_wol function. */
550 int (*set_wol)(struct phy_device *dev, struct ethtool_wolinfo *wol);
552 /* See set_wol, but for checking whether Wake on LAN is enabled. */
553 void (*get_wol)(struct phy_device *dev, struct ethtool_wolinfo *wol);
556 * Called to inform a PHY device driver when the core is about to
557 * change the link state. This callback is supposed to be used as
558 * fixup hook for drivers that need to take action when the link
559 * state changes. Drivers are by no means allowed to mess with the
560 * PHY device structure in their implementations.
562 void (*link_change_notify)(struct phy_device *dev);
564 /* A function provided by a phy specific driver to override the
565 * the PHY driver framework support for reading a MMD register
566 * from the PHY. If not supported, return -1. This function is
567 * optional for PHY specific drivers, if not provided then the
568 * default MMD read function is used by the PHY framework.
570 int (*read_mmd_indirect)(struct phy_device *dev, int ptrad,
571 int devnum, int regnum);
573 /* A function provided by a phy specific driver to override the
574 * the PHY driver framework support for writing a MMD register
575 * from the PHY. This function is optional for PHY specific drivers,
576 * if not provided then the default MMD read function is used by
579 void (*write_mmd_indirect)(struct phy_device *dev, int ptrad,
580 int devnum, int regnum, u32 val);
582 /* Get the size and type of the eeprom contained within a plug-in
584 int (*module_info)(struct phy_device *dev,
585 struct ethtool_modinfo *modinfo);
587 /* Get the eeprom information from the plug-in module */
588 int (*module_eeprom)(struct phy_device *dev,
589 struct ethtool_eeprom *ee, u8 *data);
591 struct device_driver driver;
593 #define to_phy_driver(d) container_of(d, struct phy_driver, driver)
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->bus, phydev->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
630 * @addr: PHY address on the MII bus
632 * Description: it reads data from the MMD registers (clause 22 to access to
633 * clause 45) of the specified phy address.
635 int phy_read_mmd_indirect(struct phy_device *phydev, int prtad,
636 int devad, int addr);
639 * phy_read - Convenience function for reading a given PHY register
640 * @phydev: the phy_device struct
641 * @regnum: register number to read
643 * NOTE: MUST NOT be called from interrupt context,
644 * because the bus read/write functions may wait for an interrupt
645 * to conclude the operation.
647 static inline int phy_read(struct phy_device *phydev, u32 regnum)
649 return mdiobus_read(phydev->bus, phydev->addr, regnum);
653 * phy_write - Convenience function for writing a given PHY register
654 * @phydev: the phy_device struct
655 * @regnum: register number to write
656 * @val: value to write to @regnum
658 * NOTE: MUST NOT be called from interrupt context,
659 * because the bus read/write functions may wait for an interrupt
660 * to conclude the operation.
662 static inline int phy_write(struct phy_device *phydev, u32 regnum, u16 val)
664 return mdiobus_write(phydev->bus, phydev->addr, regnum, val);
668 * phy_interrupt_is_valid - Convenience function for testing a given PHY irq
669 * @phydev: the phy_device struct
671 * NOTE: must be kept in sync with addition/removal of PHY_POLL and
672 * PHY_IGNORE_INTERRUPT
674 static inline bool phy_interrupt_is_valid(struct phy_device *phydev)
676 return phydev->irq != PHY_POLL && phydev->irq != PHY_IGNORE_INTERRUPT;
680 * phy_is_internal - Convenience function for testing if a PHY is internal
681 * @phydev: the phy_device struct
683 static inline bool phy_is_internal(struct phy_device *phydev)
685 return phydev->is_internal;
689 * phy_interface_mode_is_rgmii - Convenience function for testing if a
690 * PHY interface mode is RGMII (all variants)
691 * @mode: the phy_interface_t enum
693 static inline bool phy_interface_mode_is_rgmii(phy_interface_t mode)
695 return mode >= PHY_INTERFACE_MODE_RGMII &&
696 mode <= PHY_INTERFACE_MODE_RGMII_TXID;
700 * phy_interface_is_rgmii - Convenience function for testing if a PHY interface
701 * is RGMII (all variants)
702 * @phydev: the phy_device struct
704 static inline bool phy_interface_is_rgmii(struct phy_device *phydev)
706 return phydev->interface >= PHY_INTERFACE_MODE_RGMII &&
707 phydev->interface <= PHY_INTERFACE_MODE_RGMII_TXID;
711 * phy_is_pseudo_fixed_link - Convenience function for testing if this
712 * PHY is the CPU port facing side of an Ethernet switch, or similar.
713 * @phydev: the phy_device struct
715 static inline bool phy_is_pseudo_fixed_link(struct phy_device *phydev)
717 return phydev->is_pseudo_fixed_link;
721 * phy_write_mmd - Convenience function for writing a register
722 * on an MMD on a given PHY.
723 * @phydev: The phy_device struct
724 * @devad: The MMD to read from
725 * @regnum: The register on the MMD to read
726 * @val: value to write to @regnum
728 * Same rules as for phy_write();
730 static inline int phy_write_mmd(struct phy_device *phydev, int devad,
736 regnum = MII_ADDR_C45 | ((devad & 0x1f) << 16) | (regnum & 0xffff);
738 return mdiobus_write(phydev->bus, phydev->addr, regnum, val);
742 * phy_write_mmd_indirect - writes data to the MMD registers
743 * @phydev: The PHY device
744 * @prtad: MMD Address
746 * @addr: PHY address on the MII bus
747 * @data: data to write in the MMD register
749 * Description: Write data from the MMD registers of the specified
752 void phy_write_mmd_indirect(struct phy_device *phydev, int prtad,
753 int devad, int addr, u32 data);
755 struct phy_device *phy_device_create(struct mii_bus *bus, int addr, int phy_id,
757 struct phy_c45_device_ids *c45_ids);
758 struct phy_device *get_phy_device(struct mii_bus *bus, int addr, bool is_c45);
759 int phy_device_register(struct phy_device *phy);
760 void phy_device_remove(struct phy_device *phydev);
761 int phy_init_hw(struct phy_device *phydev);
762 int phy_suspend(struct phy_device *phydev);
763 int phy_resume(struct phy_device *phydev);
764 struct phy_device *phy_attach(struct net_device *dev, const char *bus_id,
765 phy_interface_t interface);
766 struct phy_device *phy_find_first(struct mii_bus *bus);
767 int phy_attach_direct(struct net_device *dev, struct phy_device *phydev,
768 u32 flags, phy_interface_t interface);
769 int phy_connect_direct(struct net_device *dev, struct phy_device *phydev,
770 void (*handler)(struct net_device *),
771 phy_interface_t interface);
772 struct phy_device *phy_connect(struct net_device *dev, const char *bus_id,
773 void (*handler)(struct net_device *),
774 phy_interface_t interface);
775 void phy_disconnect(struct phy_device *phydev);
776 void phy_detach(struct phy_device *phydev);
777 void phy_start(struct phy_device *phydev);
778 void phy_stop(struct phy_device *phydev);
779 int phy_start_aneg(struct phy_device *phydev);
781 int phy_stop_interrupts(struct phy_device *phydev);
783 static inline int phy_read_status(struct phy_device *phydev)
785 return phydev->drv->read_status(phydev);
788 int genphy_config_init(struct phy_device *phydev);
789 int genphy_setup_forced(struct phy_device *phydev);
790 int genphy_restart_aneg(struct phy_device *phydev);
791 int genphy_config_aneg(struct phy_device *phydev);
792 int genphy_aneg_done(struct phy_device *phydev);
793 int genphy_update_link(struct phy_device *phydev);
794 int genphy_read_status(struct phy_device *phydev);
795 int genphy_suspend(struct phy_device *phydev);
796 int genphy_resume(struct phy_device *phydev);
797 int genphy_soft_reset(struct phy_device *phydev);
798 static inline int genphy_no_soft_reset(struct phy_device *phydev)
802 void phy_driver_unregister(struct phy_driver *drv);
803 void phy_drivers_unregister(struct phy_driver *drv, int n);
804 int phy_driver_register(struct phy_driver *new_driver);
805 int phy_drivers_register(struct phy_driver *new_driver, int n);
806 void phy_state_machine(struct work_struct *work);
807 void phy_change(struct work_struct *work);
808 void phy_mac_interrupt(struct phy_device *phydev, int new_link);
809 void phy_start_machine(struct phy_device *phydev);
810 void phy_stop_machine(struct phy_device *phydev);
811 int phy_ethtool_sset(struct phy_device *phydev, struct ethtool_cmd *cmd);
812 int phy_ethtool_gset(struct phy_device *phydev, struct ethtool_cmd *cmd);
813 int phy_mii_ioctl(struct phy_device *phydev, struct ifreq *ifr, int cmd);
814 int phy_start_interrupts(struct phy_device *phydev);
815 void phy_print_status(struct phy_device *phydev);
816 void phy_device_free(struct phy_device *phydev);
817 int phy_set_max_speed(struct phy_device *phydev, u32 max_speed);
819 int phy_register_fixup(const char *bus_id, u32 phy_uid, u32 phy_uid_mask,
820 int (*run)(struct phy_device *));
821 int phy_register_fixup_for_id(const char *bus_id,
822 int (*run)(struct phy_device *));
823 int phy_register_fixup_for_uid(u32 phy_uid, u32 phy_uid_mask,
824 int (*run)(struct phy_device *));
826 int phy_init_eee(struct phy_device *phydev, bool clk_stop_enable);
827 int phy_get_eee_err(struct phy_device *phydev);
828 int phy_ethtool_set_eee(struct phy_device *phydev, struct ethtool_eee *data);
829 int phy_ethtool_get_eee(struct phy_device *phydev, struct ethtool_eee *data);
830 int phy_ethtool_set_wol(struct phy_device *phydev, struct ethtool_wolinfo *wol);
831 void phy_ethtool_get_wol(struct phy_device *phydev,
832 struct ethtool_wolinfo *wol);
834 int __init mdio_bus_init(void);
835 void mdio_bus_exit(void);
837 extern struct bus_type mdio_bus_type;
840 * module_phy_driver() - Helper macro for registering PHY drivers
841 * @__phy_drivers: array of PHY drivers to register
843 * Helper macro for PHY drivers which do not do anything special in module
844 * init/exit. Each module may only use this macro once, and calling it
845 * replaces module_init() and module_exit().
847 #define phy_module_driver(__phy_drivers, __count) \
848 static int __init phy_module_init(void) \
850 return phy_drivers_register(__phy_drivers, __count); \
852 module_init(phy_module_init); \
853 static void __exit phy_module_exit(void) \
855 phy_drivers_unregister(__phy_drivers, __count); \
857 module_exit(phy_module_exit)
859 #define module_phy_driver(__phy_drivers) \
860 phy_module_driver(__phy_drivers, ARRAY_SIZE(__phy_drivers))