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 * phy_supported_speeds - return all speeds currently supported by a phy device
89 * @phy: The phy device to return supported speeds of.
90 * @speeds: buffer to store supported speeds in.
91 * @size: size of speeds buffer.
93 * Description: Returns the number of supported speeds, and
94 * fills the speeds * buffer with the supported speeds. If speeds buffer is
95 * too small to contain * all currently supported speeds, will return as
96 * many speeds as can fit.
98 unsigned int phy_supported_speeds(struct phy_device *phy,
103 * It maps 'enum phy_interface_t' found in include/linux/phy.h
104 * into the device tree binding of 'phy-mode', so that Ethernet
105 * device driver can get phy interface from device tree.
107 static inline const char *phy_modes(phy_interface_t interface)
110 case PHY_INTERFACE_MODE_NA:
112 case PHY_INTERFACE_MODE_MII:
114 case PHY_INTERFACE_MODE_GMII:
116 case PHY_INTERFACE_MODE_SGMII:
118 case PHY_INTERFACE_MODE_TBI:
120 case PHY_INTERFACE_MODE_REVMII:
122 case PHY_INTERFACE_MODE_RMII:
124 case PHY_INTERFACE_MODE_RGMII:
126 case PHY_INTERFACE_MODE_RGMII_ID:
128 case PHY_INTERFACE_MODE_RGMII_RXID:
130 case PHY_INTERFACE_MODE_RGMII_TXID:
132 case PHY_INTERFACE_MODE_RTBI:
134 case PHY_INTERFACE_MODE_SMII:
136 case PHY_INTERFACE_MODE_XGMII:
138 case PHY_INTERFACE_MODE_MOCA:
140 case PHY_INTERFACE_MODE_QSGMII:
142 case PHY_INTERFACE_MODE_TRGMII:
150 #define PHY_INIT_TIMEOUT 100000
151 #define PHY_STATE_TIME 1
152 #define PHY_FORCE_TIMEOUT 10
153 #define PHY_AN_TIMEOUT 10
155 #define PHY_MAX_ADDR 32
157 /* Used when trying to connect to a specific phy (mii bus id:phy device id) */
158 #define PHY_ID_FMT "%s:%02x"
161 * Need to be a little smaller than phydev->dev.bus_id to leave room
164 #define MII_BUS_ID_SIZE (20 - 3)
166 /* Or MII_ADDR_C45 into regnum for read/write on mii_bus to enable the 21 bit
167 IEEE 802.3ae clause 45 addressing mode used by 10GIGE phy chips. */
168 #define MII_ADDR_C45 (1<<30)
174 * The Bus class for PHYs. Devices which provide access to
175 * PHYs should register using this structure
178 struct module *owner;
180 char id[MII_BUS_ID_SIZE];
182 int (*read)(struct mii_bus *bus, int addr, int regnum);
183 int (*write)(struct mii_bus *bus, int addr, int regnum, u16 val);
184 int (*reset)(struct mii_bus *bus);
187 * A lock to ensure that only one thing can read/write
188 * the MDIO bus at a time
190 struct mutex mdio_lock;
192 struct device *parent;
194 MDIOBUS_ALLOCATED = 1,
196 MDIOBUS_UNREGISTERED,
201 /* list of all PHYs on bus */
202 struct mdio_device *mdio_map[PHY_MAX_ADDR];
204 /* PHY addresses to be ignored when probing */
207 /* PHY addresses to ignore the TA/read failure */
208 u32 phy_ignore_ta_mask;
211 * An array of interrupts, each PHY's interrupt at the index
212 * matching its address
214 int irq[PHY_MAX_ADDR];
216 #define to_mii_bus(d) container_of(d, struct mii_bus, dev)
218 struct mii_bus *mdiobus_alloc_size(size_t);
219 static inline struct mii_bus *mdiobus_alloc(void)
221 return mdiobus_alloc_size(0);
224 int __mdiobus_register(struct mii_bus *bus, struct module *owner);
225 #define mdiobus_register(bus) __mdiobus_register(bus, THIS_MODULE)
226 void mdiobus_unregister(struct mii_bus *bus);
227 void mdiobus_free(struct mii_bus *bus);
228 struct mii_bus *devm_mdiobus_alloc_size(struct device *dev, int sizeof_priv);
229 static inline struct mii_bus *devm_mdiobus_alloc(struct device *dev)
231 return devm_mdiobus_alloc_size(dev, 0);
234 void devm_mdiobus_free(struct device *dev, struct mii_bus *bus);
235 struct phy_device *mdiobus_scan(struct mii_bus *bus, int addr);
237 #define PHY_INTERRUPT_DISABLED 0x0
238 #define PHY_INTERRUPT_ENABLED 0x80000000
240 /* PHY state machine states:
242 * DOWN: PHY device and driver are not ready for anything. probe
243 * should be called if and only if the PHY is in this state,
244 * given that the PHY device exists.
245 * - PHY driver probe function will, depending on the PHY, set
246 * the state to STARTING or READY
248 * STARTING: PHY device is coming up, and the ethernet driver is
249 * not ready. PHY drivers may set this in the probe function.
250 * If they do, they are responsible for making sure the state is
251 * eventually set to indicate whether the PHY is UP or READY,
252 * depending on the state when the PHY is done starting up.
253 * - PHY driver will set the state to READY
254 * - start will set the state to PENDING
256 * READY: PHY is ready to send and receive packets, but the
257 * controller is not. By default, PHYs which do not implement
258 * probe will be set to this state by phy_probe(). If the PHY
259 * driver knows the PHY is ready, and the PHY state is STARTING,
260 * then it sets this STATE.
261 * - start will set the state to UP
263 * PENDING: PHY device is coming up, but the ethernet driver is
264 * ready. phy_start will set this state if the PHY state is
266 * - PHY driver will set the state to UP when the PHY is ready
268 * UP: The PHY and attached device are ready to do work.
269 * Interrupts should be started here.
270 * - timer moves to AN
272 * AN: The PHY is currently negotiating the link state. Link is
273 * therefore down for now. phy_timer will set this state when it
274 * detects the state is UP. config_aneg will set this state
275 * whenever called with phydev->autoneg set to AUTONEG_ENABLE.
276 * - If autonegotiation finishes, but there's no link, it sets
277 * the state to NOLINK.
278 * - If aneg finishes with link, it sets the state to RUNNING,
279 * and calls adjust_link
280 * - If autonegotiation did not finish after an arbitrary amount
281 * of time, autonegotiation should be tried again if the PHY
282 * supports "magic" autonegotiation (back to AN)
283 * - If it didn't finish, and no magic_aneg, move to FORCING.
285 * NOLINK: PHY is up, but not currently plugged in.
286 * - If the timer notes that the link comes back, we move to RUNNING
287 * - config_aneg moves to AN
288 * - phy_stop moves to HALTED
290 * FORCING: PHY is being configured with forced settings
291 * - if link is up, move to RUNNING
292 * - If link is down, we drop to the next highest setting, and
293 * retry (FORCING) after a timeout
294 * - phy_stop moves to HALTED
296 * RUNNING: PHY is currently up, running, and possibly sending
297 * and/or receiving packets
298 * - timer will set CHANGELINK if we're polling (this ensures the
299 * link state is polled every other cycle of this state machine,
300 * which makes it every other second)
301 * - irq will set CHANGELINK
302 * - config_aneg will set AN
303 * - phy_stop moves to HALTED
305 * CHANGELINK: PHY experienced a change in link state
306 * - timer moves to RUNNING if link
307 * - timer moves to NOLINK if the link is down
308 * - phy_stop moves to HALTED
310 * HALTED: PHY is up, but no polling or interrupts are done. Or
311 * PHY is in an error state.
313 * - phy_start moves to RESUMING
315 * RESUMING: PHY was halted, but now wants to run again.
316 * - If we are forcing, or aneg is done, timer moves to RUNNING
317 * - If aneg is not done, timer moves to AN
318 * - phy_stop moves to HALTED
336 * struct phy_c45_device_ids - 802.3-c45 Device Identifiers
337 * @devices_in_package: Bit vector of devices present.
338 * @device_ids: The device identifer for each present device.
340 struct phy_c45_device_ids {
341 u32 devices_in_package;
345 /* phy_device: An instance of a PHY
347 * drv: Pointer to the driver for this PHY instance
348 * phy_id: UID for this device found during discovery
349 * c45_ids: 802.3-c45 Device Identifers if is_c45.
350 * is_c45: Set to true if this phy uses clause 45 addressing.
351 * is_internal: Set to true if this phy is internal to a MAC.
352 * is_pseudo_fixed_link: Set to true if this phy is an Ethernet switch, etc.
353 * has_fixups: Set to true if this phy has fixups/quirks.
354 * suspended: Set to true if this phy has been suspended successfully.
355 * state: state of the PHY for management purposes
356 * dev_flags: Device-specific flags used by the PHY driver.
357 * link_timeout: The number of timer firings to wait before the
358 * giving up on the current attempt at acquiring a link
359 * irq: IRQ number of the PHY's interrupt (-1 if none)
360 * phy_timer: The timer for handling the state machine
361 * phy_queue: A work_queue for the phy_mac_interrupt
362 * attached_dev: The attached enet driver's device instance ptr
363 * adjust_link: Callback for the enet controller to respond to
364 * changes in the link state.
366 * speed, duplex, pause, supported, advertising, lp_advertising,
367 * and autoneg are used like in mii_if_info
369 * interrupts currently only supports enabled or disabled,
370 * but could be changed in the future to support enabling
371 * and disabling specific interrupts
373 * Contains some infrastructure for polling and interrupt
374 * handling, as well as handling shifts in PHY hardware state
377 struct mdio_device mdio;
379 /* Information about the PHY type */
380 /* And management functions */
381 struct phy_driver *drv;
385 struct phy_c45_device_ids c45_ids;
388 bool is_pseudo_fixed_link;
392 enum phy_state state;
396 phy_interface_t interface;
399 * forced speed & duplex (no autoneg)
400 * partner speed & duplex & pause (autoneg)
407 /* The most recently read link state */
410 /* Enabled Interrupts */
413 /* Union of PHY and Attached devices' supported modes */
414 /* See mii.h for more info */
419 /* Energy efficient ethernet modes which should be prohibited */
420 u32 eee_broken_modes;
426 #ifdef CONFIG_LED_TRIGGER_PHY
427 struct phy_led_trigger *phy_led_triggers;
428 unsigned int phy_num_led_triggers;
429 struct phy_led_trigger *last_triggered;
433 * Interrupt number for this PHY
434 * -1 means no interrupt
438 /* private data pointer */
439 /* For use by PHYs to maintain extra state */
442 /* Interrupt and Polling infrastructure */
443 struct work_struct phy_queue;
444 struct delayed_work state_queue;
445 atomic_t irq_disable;
449 struct net_device *attached_dev;
454 void (*adjust_link)(struct net_device *dev);
456 #define to_phy_device(d) container_of(to_mdio_device(d), \
457 struct phy_device, mdio)
459 /* struct phy_driver: Driver structure for a particular PHY type
461 * driver_data: static driver data
462 * phy_id: The result of reading the UID registers of this PHY
463 * type, and ANDing them with the phy_id_mask. This driver
464 * only works for PHYs with IDs which match this field
465 * name: The friendly name of this PHY type
466 * phy_id_mask: Defines the important bits of the phy_id
467 * features: A list of features (speed, duplex, etc) supported
469 * flags: A bitfield defining certain other features this PHY
470 * supports (like interrupts)
472 * The drivers must implement config_aneg and read_status. All
473 * other functions are optional. Note that none of these
474 * functions should be called from interrupt time. The goal is
475 * for the bus read/write functions to be able to block when the
476 * bus transaction is happening, and be freed up by an interrupt
477 * (The MPC85xx has this ability, though it is not currently
478 * supported in the driver).
481 struct mdio_driver_common mdiodrv;
484 unsigned int phy_id_mask;
487 const void *driver_data;
490 * Called to issue a PHY software reset
492 int (*soft_reset)(struct phy_device *phydev);
495 * Called to initialize the PHY,
496 * including after a reset
498 int (*config_init)(struct phy_device *phydev);
501 * Called during discovery. Used to set
502 * up device-specific structures, if any
504 int (*probe)(struct phy_device *phydev);
506 /* PHY Power Management */
507 int (*suspend)(struct phy_device *phydev);
508 int (*resume)(struct phy_device *phydev);
511 * Configures the advertisement and resets
512 * autonegotiation if phydev->autoneg is on,
513 * forces the speed to the current settings in phydev
514 * if phydev->autoneg is off
516 int (*config_aneg)(struct phy_device *phydev);
518 /* Determines the auto negotiation result */
519 int (*aneg_done)(struct phy_device *phydev);
521 /* Determines the negotiated speed and duplex */
522 int (*read_status)(struct phy_device *phydev);
524 /* Clears any pending interrupts */
525 int (*ack_interrupt)(struct phy_device *phydev);
527 /* Enables or disables interrupts */
528 int (*config_intr)(struct phy_device *phydev);
531 * Checks if the PHY generated an interrupt.
532 * For multi-PHY devices with shared PHY interrupt pin
534 int (*did_interrupt)(struct phy_device *phydev);
536 /* Clears up any memory if needed */
537 void (*remove)(struct phy_device *phydev);
539 /* Returns true if this is a suitable driver for the given
540 * phydev. If NULL, matching is based on phy_id and
543 int (*match_phy_device)(struct phy_device *phydev);
545 /* Handles ethtool queries for hardware time stamping. */
546 int (*ts_info)(struct phy_device *phydev, struct ethtool_ts_info *ti);
548 /* Handles SIOCSHWTSTAMP ioctl for hardware time stamping. */
549 int (*hwtstamp)(struct phy_device *phydev, struct ifreq *ifr);
552 * Requests a Rx timestamp for 'skb'. If the skb is accepted,
553 * the phy driver promises to deliver it using netif_rx() as
554 * soon as a timestamp becomes available. One of the
555 * PTP_CLASS_ values is passed in 'type'. The function must
556 * return true if the skb is accepted for delivery.
558 bool (*rxtstamp)(struct phy_device *dev, struct sk_buff *skb, int type);
561 * Requests a Tx timestamp for 'skb'. The phy driver promises
562 * to deliver it using skb_complete_tx_timestamp() as soon as a
563 * timestamp becomes available. One of the PTP_CLASS_ values
564 * is passed in 'type'.
566 void (*txtstamp)(struct phy_device *dev, struct sk_buff *skb, int type);
568 /* Some devices (e.g. qnap TS-119P II) require PHY register changes to
569 * enable Wake on LAN, so set_wol is provided to be called in the
570 * ethernet driver's set_wol function. */
571 int (*set_wol)(struct phy_device *dev, struct ethtool_wolinfo *wol);
573 /* See set_wol, but for checking whether Wake on LAN is enabled. */
574 void (*get_wol)(struct phy_device *dev, struct ethtool_wolinfo *wol);
577 * Called to inform a PHY device driver when the core is about to
578 * change the link state. This callback is supposed to be used as
579 * fixup hook for drivers that need to take action when the link
580 * state changes. Drivers are by no means allowed to mess with the
581 * PHY device structure in their implementations.
583 void (*link_change_notify)(struct phy_device *dev);
585 /* A function provided by a phy specific driver to override the
586 * the PHY driver framework support for reading a MMD register
587 * from the PHY. If not supported, return -1. This function is
588 * optional for PHY specific drivers, if not provided then the
589 * default MMD read function is used by the PHY framework.
591 int (*read_mmd_indirect)(struct phy_device *dev, int ptrad,
592 int devnum, int regnum);
594 /* A function provided by a phy specific driver to override the
595 * the PHY driver framework support for writing a MMD register
596 * from the PHY. This function is optional for PHY specific drivers,
597 * if not provided then the default MMD read function is used by
600 void (*write_mmd_indirect)(struct phy_device *dev, int ptrad,
601 int devnum, int regnum, u32 val);
603 /* Get the size and type of the eeprom contained within a plug-in
605 int (*module_info)(struct phy_device *dev,
606 struct ethtool_modinfo *modinfo);
608 /* Get the eeprom information from the plug-in module */
609 int (*module_eeprom)(struct phy_device *dev,
610 struct ethtool_eeprom *ee, u8 *data);
612 /* Get statistics from the phy using ethtool */
613 int (*get_sset_count)(struct phy_device *dev);
614 void (*get_strings)(struct phy_device *dev, u8 *data);
615 void (*get_stats)(struct phy_device *dev,
616 struct ethtool_stats *stats, u64 *data);
618 /* Get and Set PHY tunables */
619 int (*get_tunable)(struct phy_device *dev,
620 struct ethtool_tunable *tuna, void *data);
621 int (*set_tunable)(struct phy_device *dev,
622 struct ethtool_tunable *tuna,
625 #define to_phy_driver(d) container_of(to_mdio_common_driver(d), \
626 struct phy_driver, mdiodrv)
628 #define PHY_ANY_ID "MATCH ANY PHY"
629 #define PHY_ANY_UID 0xffffffff
631 /* A Structure for boards to register fixups with the PHY Lib */
633 struct list_head list;
637 int (*run)(struct phy_device *phydev);
641 * phy_read_mmd - Convenience function for reading a register
642 * from an MMD on a given PHY.
643 * @phydev: The phy_device struct
644 * @devad: The MMD to read from
645 * @regnum: The register on the MMD to read
647 * Same rules as for phy_read();
649 static inline int phy_read_mmd(struct phy_device *phydev, int devad, u32 regnum)
654 return mdiobus_read(phydev->mdio.bus, phydev->mdio.addr,
655 MII_ADDR_C45 | (devad << 16) | (regnum & 0xffff));
659 * phy_read_mmd_indirect - reads data from the MMD registers
660 * @phydev: The PHY device bus
661 * @prtad: MMD Address
662 * @addr: PHY address on the MII bus
664 * Description: it reads data from the MMD registers (clause 22 to access to
665 * clause 45) of the specified phy address.
667 int phy_read_mmd_indirect(struct phy_device *phydev, int prtad, int devad);
670 * phy_read - Convenience function for reading a given PHY register
671 * @phydev: the phy_device struct
672 * @regnum: register number to read
674 * NOTE: MUST NOT be called from interrupt context,
675 * because the bus read/write functions may wait for an interrupt
676 * to conclude the operation.
678 static inline int phy_read(struct phy_device *phydev, u32 regnum)
680 return mdiobus_read(phydev->mdio.bus, phydev->mdio.addr, regnum);
684 * phy_write - Convenience function for writing a given PHY register
685 * @phydev: the phy_device struct
686 * @regnum: register number to write
687 * @val: value to write to @regnum
689 * NOTE: MUST NOT be called from interrupt context,
690 * because the bus read/write functions may wait for an interrupt
691 * to conclude the operation.
693 static inline int phy_write(struct phy_device *phydev, u32 regnum, u16 val)
695 return mdiobus_write(phydev->mdio.bus, phydev->mdio.addr, regnum, val);
699 * phy_interrupt_is_valid - Convenience function for testing a given PHY irq
700 * @phydev: the phy_device struct
702 * NOTE: must be kept in sync with addition/removal of PHY_POLL and
703 * PHY_IGNORE_INTERRUPT
705 static inline bool phy_interrupt_is_valid(struct phy_device *phydev)
707 return phydev->irq != PHY_POLL && phydev->irq != PHY_IGNORE_INTERRUPT;
711 * phy_is_internal - Convenience function for testing if a PHY is internal
712 * @phydev: the phy_device struct
714 static inline bool phy_is_internal(struct phy_device *phydev)
716 return phydev->is_internal;
720 * phy_interface_is_rgmii - Convenience function for testing if a PHY interface
721 * is RGMII (all variants)
722 * @phydev: the phy_device struct
724 static inline bool phy_interface_is_rgmii(struct phy_device *phydev)
726 return phydev->interface >= PHY_INTERFACE_MODE_RGMII &&
727 phydev->interface <= PHY_INTERFACE_MODE_RGMII_TXID;
731 * phy_is_pseudo_fixed_link - Convenience function for testing if this
732 * PHY is the CPU port facing side of an Ethernet switch, or similar.
733 * @phydev: the phy_device struct
735 static inline bool phy_is_pseudo_fixed_link(struct phy_device *phydev)
737 return phydev->is_pseudo_fixed_link;
741 * phy_write_mmd - Convenience function for writing a register
742 * on an MMD on a given PHY.
743 * @phydev: The phy_device struct
744 * @devad: The MMD to read from
745 * @regnum: The register on the MMD to read
746 * @val: value to write to @regnum
748 * Same rules as for phy_write();
750 static inline int phy_write_mmd(struct phy_device *phydev, int devad,
756 regnum = MII_ADDR_C45 | ((devad & 0x1f) << 16) | (regnum & 0xffff);
758 return mdiobus_write(phydev->mdio.bus, phydev->mdio.addr, regnum, val);
762 * phy_write_mmd_indirect - writes data to the MMD registers
763 * @phydev: The PHY device
764 * @prtad: MMD Address
766 * @data: data to write in the MMD register
768 * Description: Write data from the MMD registers of the specified
771 void phy_write_mmd_indirect(struct phy_device *phydev, int prtad,
772 int devad, u32 data);
774 struct phy_device *phy_device_create(struct mii_bus *bus, int addr, int phy_id,
776 struct phy_c45_device_ids *c45_ids);
777 struct phy_device *get_phy_device(struct mii_bus *bus, int addr, bool is_c45);
778 int phy_device_register(struct phy_device *phy);
779 void phy_device_remove(struct phy_device *phydev);
780 int phy_init_hw(struct phy_device *phydev);
781 int phy_suspend(struct phy_device *phydev);
782 int phy_resume(struct phy_device *phydev);
783 struct phy_device *phy_attach(struct net_device *dev, const char *bus_id,
784 phy_interface_t interface);
785 struct phy_device *phy_find_first(struct mii_bus *bus);
786 int phy_attach_direct(struct net_device *dev, struct phy_device *phydev,
787 u32 flags, phy_interface_t interface);
788 int phy_connect_direct(struct net_device *dev, struct phy_device *phydev,
789 void (*handler)(struct net_device *),
790 phy_interface_t interface);
791 struct phy_device *phy_connect(struct net_device *dev, const char *bus_id,
792 void (*handler)(struct net_device *),
793 phy_interface_t interface);
794 void phy_disconnect(struct phy_device *phydev);
795 void phy_detach(struct phy_device *phydev);
796 void phy_start(struct phy_device *phydev);
797 void phy_stop(struct phy_device *phydev);
798 int phy_start_aneg(struct phy_device *phydev);
799 int phy_aneg_done(struct phy_device *phydev);
801 int phy_stop_interrupts(struct phy_device *phydev);
803 static inline int phy_read_status(struct phy_device *phydev)
805 return phydev->drv->read_status(phydev);
808 #define phydev_err(_phydev, format, args...) \
809 dev_err(&_phydev->mdio.dev, format, ##args)
811 #define phydev_dbg(_phydev, format, args...) \
812 dev_dbg(&_phydev->mdio.dev, format, ##args);
814 static inline const char *phydev_name(const struct phy_device *phydev)
816 return dev_name(&phydev->mdio.dev);
819 void phy_attached_print(struct phy_device *phydev, const char *fmt, ...)
821 void phy_attached_info(struct phy_device *phydev);
822 int genphy_config_init(struct phy_device *phydev);
823 int genphy_setup_forced(struct phy_device *phydev);
824 int genphy_restart_aneg(struct phy_device *phydev);
825 int genphy_config_aneg(struct phy_device *phydev);
826 int genphy_aneg_done(struct phy_device *phydev);
827 int genphy_update_link(struct phy_device *phydev);
828 int genphy_read_status(struct phy_device *phydev);
829 int genphy_suspend(struct phy_device *phydev);
830 int genphy_resume(struct phy_device *phydev);
831 int genphy_soft_reset(struct phy_device *phydev);
832 void phy_driver_unregister(struct phy_driver *drv);
833 void phy_drivers_unregister(struct phy_driver *drv, int n);
834 int phy_driver_register(struct phy_driver *new_driver, struct module *owner);
835 int phy_drivers_register(struct phy_driver *new_driver, int n,
836 struct module *owner);
837 void phy_state_machine(struct work_struct *work);
838 void phy_change(struct phy_device *phydev);
839 void phy_change_work(struct work_struct *work);
840 void phy_mac_interrupt(struct phy_device *phydev, int new_link);
841 void phy_start_machine(struct phy_device *phydev);
842 void phy_stop_machine(struct phy_device *phydev);
843 int phy_ethtool_sset(struct phy_device *phydev, struct ethtool_cmd *cmd);
844 int phy_ethtool_gset(struct phy_device *phydev, struct ethtool_cmd *cmd);
845 int phy_ethtool_ksettings_get(struct phy_device *phydev,
846 struct ethtool_link_ksettings *cmd);
847 int phy_ethtool_ksettings_set(struct phy_device *phydev,
848 const struct ethtool_link_ksettings *cmd);
849 int phy_mii_ioctl(struct phy_device *phydev, struct ifreq *ifr, int cmd);
850 int phy_start_interrupts(struct phy_device *phydev);
851 void phy_print_status(struct phy_device *phydev);
852 void phy_device_free(struct phy_device *phydev);
853 int phy_set_max_speed(struct phy_device *phydev, u32 max_speed);
855 int phy_register_fixup(const char *bus_id, u32 phy_uid, u32 phy_uid_mask,
856 int (*run)(struct phy_device *));
857 int phy_register_fixup_for_id(const char *bus_id,
858 int (*run)(struct phy_device *));
859 int phy_register_fixup_for_uid(u32 phy_uid, u32 phy_uid_mask,
860 int (*run)(struct phy_device *));
862 int phy_unregister_fixup(const char *bus_id, u32 phy_uid, u32 phy_uid_mask);
863 int phy_unregister_fixup_for_id(const char *bus_id);
864 int phy_unregister_fixup_for_uid(u32 phy_uid, u32 phy_uid_mask);
866 int phy_init_eee(struct phy_device *phydev, bool clk_stop_enable);
867 int phy_get_eee_err(struct phy_device *phydev);
868 int phy_ethtool_set_eee(struct phy_device *phydev, struct ethtool_eee *data);
869 int phy_ethtool_get_eee(struct phy_device *phydev, struct ethtool_eee *data);
870 int phy_ethtool_set_wol(struct phy_device *phydev, struct ethtool_wolinfo *wol);
871 void phy_ethtool_get_wol(struct phy_device *phydev,
872 struct ethtool_wolinfo *wol);
873 int phy_ethtool_get_link_ksettings(struct net_device *ndev,
874 struct ethtool_link_ksettings *cmd);
875 int phy_ethtool_set_link_ksettings(struct net_device *ndev,
876 const struct ethtool_link_ksettings *cmd);
877 int phy_ethtool_nway_reset(struct net_device *ndev);
879 int __init mdio_bus_init(void);
880 void mdio_bus_exit(void);
882 extern struct bus_type mdio_bus_type;
885 * module_phy_driver() - Helper macro for registering PHY drivers
886 * @__phy_drivers: array of PHY drivers to register
888 * Helper macro for PHY drivers which do not do anything special in module
889 * init/exit. Each module may only use this macro once, and calling it
890 * replaces module_init() and module_exit().
892 #define phy_module_driver(__phy_drivers, __count) \
893 static int __init phy_module_init(void) \
895 return phy_drivers_register(__phy_drivers, __count, THIS_MODULE); \
897 module_init(phy_module_init); \
898 static void __exit phy_module_exit(void) \
900 phy_drivers_unregister(__phy_drivers, __count); \
902 module_exit(phy_module_exit)
904 #define module_phy_driver(__phy_drivers) \
905 phy_module_driver(__phy_drivers, ARRAY_SIZE(__phy_drivers))