1 /* 2 * Framework and drivers for configuring and reading different PHYs 3 * Based on code in sungem_phy.c and gianfar_phy.c 4 * 5 * Author: Andy Fleming 6 * 7 * Copyright (c) 2004 Freescale Semiconductor, Inc. 8 * 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. 13 * 14 */ 15 16 #ifndef __PHY_H 17 #define __PHY_H 18 19 #include <linux/spinlock.h> 20 #include <linux/ethtool.h> 21 #include <linux/mii.h> 22 #include <linux/timer.h> 23 #include <linux/workqueue.h> 24 #include <linux/mod_devicetable.h> 25 26 #include <linux/atomic.h> 27 28 #define PHY_DEFAULT_FEATURES (SUPPORTED_Autoneg | \ 29 SUPPORTED_TP | \ 30 SUPPORTED_MII) 31 32 #define PHY_10BT_FEATURES (SUPPORTED_10baseT_Half | \ 33 SUPPORTED_10baseT_Full) 34 35 #define PHY_100BT_FEATURES (SUPPORTED_100baseT_Half | \ 36 SUPPORTED_100baseT_Full) 37 38 #define PHY_1000BT_FEATURES (SUPPORTED_1000baseT_Half | \ 39 SUPPORTED_1000baseT_Full) 40 41 #define PHY_BASIC_FEATURES (PHY_10BT_FEATURES | \ 42 PHY_100BT_FEATURES | \ 43 PHY_DEFAULT_FEATURES) 44 45 #define PHY_GBIT_FEATURES (PHY_BASIC_FEATURES | \ 46 PHY_1000BT_FEATURES) 47 48 49 /* 50 * Set phydev->irq to PHY_POLL if interrupts are not supported, 51 * or not desired for this PHY. Set to PHY_IGNORE_INTERRUPT if 52 * the attached driver handles the interrupt 53 */ 54 #define PHY_POLL -1 55 #define PHY_IGNORE_INTERRUPT -2 56 57 #define PHY_HAS_INTERRUPT 0x00000001 58 #define PHY_HAS_MAGICANEG 0x00000002 59 #define PHY_IS_INTERNAL 0x00000004 60 61 /* Interface Mode definitions */ 62 typedef enum { 63 PHY_INTERFACE_MODE_NA, 64 PHY_INTERFACE_MODE_MII, 65 PHY_INTERFACE_MODE_GMII, 66 PHY_INTERFACE_MODE_SGMII, 67 PHY_INTERFACE_MODE_TBI, 68 PHY_INTERFACE_MODE_REVMII, 69 PHY_INTERFACE_MODE_RMII, 70 PHY_INTERFACE_MODE_RGMII, 71 PHY_INTERFACE_MODE_RGMII_ID, 72 PHY_INTERFACE_MODE_RGMII_RXID, 73 PHY_INTERFACE_MODE_RGMII_TXID, 74 PHY_INTERFACE_MODE_RTBI, 75 PHY_INTERFACE_MODE_SMII, 76 PHY_INTERFACE_MODE_XGMII, 77 PHY_INTERFACE_MODE_MOCA, 78 PHY_INTERFACE_MODE_MAX, 79 } phy_interface_t; 80 81 /** 82 * It maps 'enum phy_interface_t' found in include/linux/phy.h 83 * into the device tree binding of 'phy-mode', so that Ethernet 84 * device driver can get phy interface from device tree. 85 */ 86 static inline const char *phy_modes(phy_interface_t interface) 87 { 88 switch (interface) { 89 case PHY_INTERFACE_MODE_NA: 90 return ""; 91 case PHY_INTERFACE_MODE_MII: 92 return "mii"; 93 case PHY_INTERFACE_MODE_GMII: 94 return "gmii"; 95 case PHY_INTERFACE_MODE_SGMII: 96 return "sgmii"; 97 case PHY_INTERFACE_MODE_TBI: 98 return "tbi"; 99 case PHY_INTERFACE_MODE_REVMII: 100 return "rev-mii"; 101 case PHY_INTERFACE_MODE_RMII: 102 return "rmii"; 103 case PHY_INTERFACE_MODE_RGMII: 104 return "rgmii"; 105 case PHY_INTERFACE_MODE_RGMII_ID: 106 return "rgmii-id"; 107 case PHY_INTERFACE_MODE_RGMII_RXID: 108 return "rgmii-rxid"; 109 case PHY_INTERFACE_MODE_RGMII_TXID: 110 return "rgmii-txid"; 111 case PHY_INTERFACE_MODE_RTBI: 112 return "rtbi"; 113 case PHY_INTERFACE_MODE_SMII: 114 return "smii"; 115 case PHY_INTERFACE_MODE_XGMII: 116 return "xgmii"; 117 case PHY_INTERFACE_MODE_MOCA: 118 return "moca"; 119 default: 120 return "unknown"; 121 } 122 } 123 124 125 #define PHY_INIT_TIMEOUT 100000 126 #define PHY_STATE_TIME 1 127 #define PHY_FORCE_TIMEOUT 10 128 #define PHY_AN_TIMEOUT 10 129 130 #define PHY_MAX_ADDR 32 131 132 /* Used when trying to connect to a specific phy (mii bus id:phy device id) */ 133 #define PHY_ID_FMT "%s:%02x" 134 135 /* 136 * Need to be a little smaller than phydev->dev.bus_id to leave room 137 * for the ":%02x" 138 */ 139 #define MII_BUS_ID_SIZE (20 - 3) 140 141 /* Or MII_ADDR_C45 into regnum for read/write on mii_bus to enable the 21 bit 142 IEEE 802.3ae clause 45 addressing mode used by 10GIGE phy chips. */ 143 #define MII_ADDR_C45 (1<<30) 144 145 struct device; 146 struct sk_buff; 147 148 /* 149 * The Bus class for PHYs. Devices which provide access to 150 * PHYs should register using this structure 151 */ 152 struct mii_bus { 153 const char *name; 154 char id[MII_BUS_ID_SIZE]; 155 void *priv; 156 int (*read)(struct mii_bus *bus, int phy_id, int regnum); 157 int (*write)(struct mii_bus *bus, int phy_id, int regnum, u16 val); 158 int (*reset)(struct mii_bus *bus); 159 160 /* 161 * A lock to ensure that only one thing can read/write 162 * the MDIO bus at a time 163 */ 164 struct mutex mdio_lock; 165 166 struct device *parent; 167 enum { 168 MDIOBUS_ALLOCATED = 1, 169 MDIOBUS_REGISTERED, 170 MDIOBUS_UNREGISTERED, 171 MDIOBUS_RELEASED, 172 } state; 173 struct device dev; 174 175 /* list of all PHYs on bus */ 176 struct phy_device *phy_map[PHY_MAX_ADDR]; 177 178 /* PHY addresses to be ignored when probing */ 179 u32 phy_mask; 180 181 /* 182 * Pointer to an array of interrupts, each PHY's 183 * interrupt at the index matching its address 184 */ 185 int *irq; 186 }; 187 #define to_mii_bus(d) container_of(d, struct mii_bus, dev) 188 189 struct mii_bus *mdiobus_alloc_size(size_t); 190 static inline struct mii_bus *mdiobus_alloc(void) 191 { 192 return mdiobus_alloc_size(0); 193 } 194 195 int mdiobus_register(struct mii_bus *bus); 196 void mdiobus_unregister(struct mii_bus *bus); 197 void mdiobus_free(struct mii_bus *bus); 198 struct phy_device *mdiobus_scan(struct mii_bus *bus, int addr); 199 int mdiobus_read(struct mii_bus *bus, int addr, u32 regnum); 200 int mdiobus_write(struct mii_bus *bus, int addr, u32 regnum, u16 val); 201 202 203 #define PHY_INTERRUPT_DISABLED 0x0 204 #define PHY_INTERRUPT_ENABLED 0x80000000 205 206 /* PHY state machine states: 207 * 208 * DOWN: PHY device and driver are not ready for anything. probe 209 * should be called if and only if the PHY is in this state, 210 * given that the PHY device exists. 211 * - PHY driver probe function will, depending on the PHY, set 212 * the state to STARTING or READY 213 * 214 * STARTING: PHY device is coming up, and the ethernet driver is 215 * not ready. PHY drivers may set this in the probe function. 216 * If they do, they are responsible for making sure the state is 217 * eventually set to indicate whether the PHY is UP or READY, 218 * depending on the state when the PHY is done starting up. 219 * - PHY driver will set the state to READY 220 * - start will set the state to PENDING 221 * 222 * READY: PHY is ready to send and receive packets, but the 223 * controller is not. By default, PHYs which do not implement 224 * probe will be set to this state by phy_probe(). If the PHY 225 * driver knows the PHY is ready, and the PHY state is STARTING, 226 * then it sets this STATE. 227 * - start will set the state to UP 228 * 229 * PENDING: PHY device is coming up, but the ethernet driver is 230 * ready. phy_start will set this state if the PHY state is 231 * STARTING. 232 * - PHY driver will set the state to UP when the PHY is ready 233 * 234 * UP: The PHY and attached device are ready to do work. 235 * Interrupts should be started here. 236 * - timer moves to AN 237 * 238 * AN: The PHY is currently negotiating the link state. Link is 239 * therefore down for now. phy_timer will set this state when it 240 * detects the state is UP. config_aneg will set this state 241 * whenever called with phydev->autoneg set to AUTONEG_ENABLE. 242 * - If autonegotiation finishes, but there's no link, it sets 243 * the state to NOLINK. 244 * - If aneg finishes with link, it sets the state to RUNNING, 245 * and calls adjust_link 246 * - If autonegotiation did not finish after an arbitrary amount 247 * of time, autonegotiation should be tried again if the PHY 248 * supports "magic" autonegotiation (back to AN) 249 * - If it didn't finish, and no magic_aneg, move to FORCING. 250 * 251 * NOLINK: PHY is up, but not currently plugged in. 252 * - If the timer notes that the link comes back, we move to RUNNING 253 * - config_aneg moves to AN 254 * - phy_stop moves to HALTED 255 * 256 * FORCING: PHY is being configured with forced settings 257 * - if link is up, move to RUNNING 258 * - If link is down, we drop to the next highest setting, and 259 * retry (FORCING) after a timeout 260 * - phy_stop moves to HALTED 261 * 262 * RUNNING: PHY is currently up, running, and possibly sending 263 * and/or receiving packets 264 * - timer will set CHANGELINK if we're polling (this ensures the 265 * link state is polled every other cycle of this state machine, 266 * which makes it every other second) 267 * - irq will set CHANGELINK 268 * - config_aneg will set AN 269 * - phy_stop moves to HALTED 270 * 271 * CHANGELINK: PHY experienced a change in link state 272 * - timer moves to RUNNING if link 273 * - timer moves to NOLINK if the link is down 274 * - phy_stop moves to HALTED 275 * 276 * HALTED: PHY is up, but no polling or interrupts are done. Or 277 * PHY is in an error state. 278 * 279 * - phy_start moves to RESUMING 280 * 281 * RESUMING: PHY was halted, but now wants to run again. 282 * - If we are forcing, or aneg is done, timer moves to RUNNING 283 * - If aneg is not done, timer moves to AN 284 * - phy_stop moves to HALTED 285 */ 286 enum phy_state { 287 PHY_DOWN = 0, 288 PHY_STARTING, 289 PHY_READY, 290 PHY_PENDING, 291 PHY_UP, 292 PHY_AN, 293 PHY_RUNNING, 294 PHY_NOLINK, 295 PHY_FORCING, 296 PHY_CHANGELINK, 297 PHY_HALTED, 298 PHY_RESUMING 299 }; 300 301 /** 302 * struct phy_c45_device_ids - 802.3-c45 Device Identifiers 303 * @devices_in_package: Bit vector of devices present. 304 * @device_ids: The device identifer for each present device. 305 */ 306 struct phy_c45_device_ids { 307 u32 devices_in_package; 308 u32 device_ids[8]; 309 }; 310 311 /* phy_device: An instance of a PHY 312 * 313 * drv: Pointer to the driver for this PHY instance 314 * bus: Pointer to the bus this PHY is on 315 * dev: driver model device structure for this PHY 316 * phy_id: UID for this device found during discovery 317 * c45_ids: 802.3-c45 Device Identifers if is_c45. 318 * is_c45: Set to true if this phy uses clause 45 addressing. 319 * is_internal: Set to true if this phy is internal to a MAC. 320 * state: state of the PHY for management purposes 321 * dev_flags: Device-specific flags used by the PHY driver. 322 * addr: Bus address of PHY 323 * link_timeout: The number of timer firings to wait before the 324 * giving up on the current attempt at acquiring a link 325 * irq: IRQ number of the PHY's interrupt (-1 if none) 326 * phy_timer: The timer for handling the state machine 327 * phy_queue: A work_queue for the interrupt 328 * attached_dev: The attached enet driver's device instance ptr 329 * adjust_link: Callback for the enet controller to respond to 330 * changes in the link state. 331 * 332 * speed, duplex, pause, supported, advertising, lp_advertising, 333 * and autoneg are used like in mii_if_info 334 * 335 * interrupts currently only supports enabled or disabled, 336 * but could be changed in the future to support enabling 337 * and disabling specific interrupts 338 * 339 * Contains some infrastructure for polling and interrupt 340 * handling, as well as handling shifts in PHY hardware state 341 */ 342 struct phy_device { 343 /* Information about the PHY type */ 344 /* And management functions */ 345 struct phy_driver *drv; 346 347 struct mii_bus *bus; 348 349 struct device dev; 350 351 u32 phy_id; 352 353 struct phy_c45_device_ids c45_ids; 354 bool is_c45; 355 bool is_internal; 356 bool has_fixups; 357 358 enum phy_state state; 359 360 u32 dev_flags; 361 362 phy_interface_t interface; 363 364 /* Bus address of the PHY (0-31) */ 365 int addr; 366 367 /* 368 * forced speed & duplex (no autoneg) 369 * partner speed & duplex & pause (autoneg) 370 */ 371 int speed; 372 int duplex; 373 int pause; 374 int asym_pause; 375 376 /* The most recently read link state */ 377 int link; 378 379 /* Enabled Interrupts */ 380 u32 interrupts; 381 382 /* Union of PHY and Attached devices' supported modes */ 383 /* See mii.h for more info */ 384 u32 supported; 385 u32 advertising; 386 u32 lp_advertising; 387 388 int autoneg; 389 390 int link_timeout; 391 392 /* 393 * Interrupt number for this PHY 394 * -1 means no interrupt 395 */ 396 int irq; 397 398 /* private data pointer */ 399 /* For use by PHYs to maintain extra state */ 400 void *priv; 401 402 /* Interrupt and Polling infrastructure */ 403 struct work_struct phy_queue; 404 struct delayed_work state_queue; 405 atomic_t irq_disable; 406 407 struct mutex lock; 408 409 struct net_device *attached_dev; 410 411 void (*adjust_link)(struct net_device *dev); 412 }; 413 #define to_phy_device(d) container_of(d, struct phy_device, dev) 414 415 /* struct phy_driver: Driver structure for a particular PHY type 416 * 417 * phy_id: The result of reading the UID registers of this PHY 418 * type, and ANDing them with the phy_id_mask. This driver 419 * only works for PHYs with IDs which match this field 420 * name: The friendly name of this PHY type 421 * phy_id_mask: Defines the important bits of the phy_id 422 * features: A list of features (speed, duplex, etc) supported 423 * by this PHY 424 * flags: A bitfield defining certain other features this PHY 425 * supports (like interrupts) 426 * 427 * The drivers must implement config_aneg and read_status. All 428 * other functions are optional. Note that none of these 429 * functions should be called from interrupt time. The goal is 430 * for the bus read/write functions to be able to block when the 431 * bus transaction is happening, and be freed up by an interrupt 432 * (The MPC85xx has this ability, though it is not currently 433 * supported in the driver). 434 */ 435 struct phy_driver { 436 u32 phy_id; 437 char *name; 438 unsigned int phy_id_mask; 439 u32 features; 440 u32 flags; 441 442 /* 443 * Called to issue a PHY software reset 444 */ 445 int (*soft_reset)(struct phy_device *phydev); 446 447 /* 448 * Called to initialize the PHY, 449 * including after a reset 450 */ 451 int (*config_init)(struct phy_device *phydev); 452 453 /* 454 * Called during discovery. Used to set 455 * up device-specific structures, if any 456 */ 457 int (*probe)(struct phy_device *phydev); 458 459 /* PHY Power Management */ 460 int (*suspend)(struct phy_device *phydev); 461 int (*resume)(struct phy_device *phydev); 462 463 /* 464 * Configures the advertisement and resets 465 * autonegotiation if phydev->autoneg is on, 466 * forces the speed to the current settings in phydev 467 * if phydev->autoneg is off 468 */ 469 int (*config_aneg)(struct phy_device *phydev); 470 471 /* Determines the auto negotiation result */ 472 int (*aneg_done)(struct phy_device *phydev); 473 474 /* Determines the negotiated speed and duplex */ 475 int (*read_status)(struct phy_device *phydev); 476 477 /* Clears any pending interrupts */ 478 int (*ack_interrupt)(struct phy_device *phydev); 479 480 /* Enables or disables interrupts */ 481 int (*config_intr)(struct phy_device *phydev); 482 483 /* 484 * Checks if the PHY generated an interrupt. 485 * For multi-PHY devices with shared PHY interrupt pin 486 */ 487 int (*did_interrupt)(struct phy_device *phydev); 488 489 /* Clears up any memory if needed */ 490 void (*remove)(struct phy_device *phydev); 491 492 /* Returns true if this is a suitable driver for the given 493 * phydev. If NULL, matching is based on phy_id and 494 * phy_id_mask. 495 */ 496 int (*match_phy_device)(struct phy_device *phydev); 497 498 /* Handles ethtool queries for hardware time stamping. */ 499 int (*ts_info)(struct phy_device *phydev, struct ethtool_ts_info *ti); 500 501 /* Handles SIOCSHWTSTAMP ioctl for hardware time stamping. */ 502 int (*hwtstamp)(struct phy_device *phydev, struct ifreq *ifr); 503 504 /* 505 * Requests a Rx timestamp for 'skb'. If the skb is accepted, 506 * the phy driver promises to deliver it using netif_rx() as 507 * soon as a timestamp becomes available. One of the 508 * PTP_CLASS_ values is passed in 'type'. The function must 509 * return true if the skb is accepted for delivery. 510 */ 511 bool (*rxtstamp)(struct phy_device *dev, struct sk_buff *skb, int type); 512 513 /* 514 * Requests a Tx timestamp for 'skb'. The phy driver promises 515 * to deliver it using skb_complete_tx_timestamp() as soon as a 516 * timestamp becomes available. One of the PTP_CLASS_ values 517 * is passed in 'type'. 518 */ 519 void (*txtstamp)(struct phy_device *dev, struct sk_buff *skb, int type); 520 521 /* Some devices (e.g. qnap TS-119P II) require PHY register changes to 522 * enable Wake on LAN, so set_wol is provided to be called in the 523 * ethernet driver's set_wol function. */ 524 int (*set_wol)(struct phy_device *dev, struct ethtool_wolinfo *wol); 525 526 /* See set_wol, but for checking whether Wake on LAN is enabled. */ 527 void (*get_wol)(struct phy_device *dev, struct ethtool_wolinfo *wol); 528 529 struct device_driver driver; 530 }; 531 #define to_phy_driver(d) container_of(d, struct phy_driver, driver) 532 533 #define PHY_ANY_ID "MATCH ANY PHY" 534 #define PHY_ANY_UID 0xffffffff 535 536 /* A Structure for boards to register fixups with the PHY Lib */ 537 struct phy_fixup { 538 struct list_head list; 539 char bus_id[20]; 540 u32 phy_uid; 541 u32 phy_uid_mask; 542 int (*run)(struct phy_device *phydev); 543 }; 544 545 /** 546 * phy_read_mmd - Convenience function for reading a register 547 * from an MMD on a given PHY. 548 * @phydev: The phy_device struct 549 * @devad: The MMD to read from 550 * @regnum: The register on the MMD to read 551 * 552 * Same rules as for phy_read(); 553 */ 554 static inline int phy_read_mmd(struct phy_device *phydev, int devad, u32 regnum) 555 { 556 if (!phydev->is_c45) 557 return -EOPNOTSUPP; 558 559 return mdiobus_read(phydev->bus, phydev->addr, 560 MII_ADDR_C45 | (devad << 16) | (regnum & 0xffff)); 561 } 562 563 /** 564 * phy_read - Convenience function for reading a given PHY register 565 * @phydev: the phy_device struct 566 * @regnum: register number to read 567 * 568 * NOTE: MUST NOT be called from interrupt context, 569 * because the bus read/write functions may wait for an interrupt 570 * to conclude the operation. 571 */ 572 static inline int phy_read(struct phy_device *phydev, u32 regnum) 573 { 574 return mdiobus_read(phydev->bus, phydev->addr, regnum); 575 } 576 577 /** 578 * phy_write - Convenience function for writing a given PHY register 579 * @phydev: the phy_device struct 580 * @regnum: register number to write 581 * @val: value to write to @regnum 582 * 583 * NOTE: MUST NOT be called from interrupt context, 584 * because the bus read/write functions may wait for an interrupt 585 * to conclude the operation. 586 */ 587 static inline int phy_write(struct phy_device *phydev, u32 regnum, u16 val) 588 { 589 return mdiobus_write(phydev->bus, phydev->addr, regnum, val); 590 } 591 592 /** 593 * phy_interrupt_is_valid - Convenience function for testing a given PHY irq 594 * @phydev: the phy_device struct 595 * 596 * NOTE: must be kept in sync with addition/removal of PHY_POLL and 597 * PHY_IGNORE_INTERRUPT 598 */ 599 static inline bool phy_interrupt_is_valid(struct phy_device *phydev) 600 { 601 return phydev->irq != PHY_POLL && phydev->irq != PHY_IGNORE_INTERRUPT; 602 } 603 604 /** 605 * phy_is_internal - Convenience function for testing if a PHY is internal 606 * @phydev: the phy_device struct 607 */ 608 static inline bool phy_is_internal(struct phy_device *phydev) 609 { 610 return phydev->is_internal; 611 } 612 613 /** 614 * phy_write_mmd - Convenience function for writing a register 615 * on an MMD on a given PHY. 616 * @phydev: The phy_device struct 617 * @devad: The MMD to read from 618 * @regnum: The register on the MMD to read 619 * @val: value to write to @regnum 620 * 621 * Same rules as for phy_write(); 622 */ 623 static inline int phy_write_mmd(struct phy_device *phydev, int devad, 624 u32 regnum, u16 val) 625 { 626 if (!phydev->is_c45) 627 return -EOPNOTSUPP; 628 629 regnum = MII_ADDR_C45 | ((devad & 0x1f) << 16) | (regnum & 0xffff); 630 631 return mdiobus_write(phydev->bus, phydev->addr, regnum, val); 632 } 633 634 struct phy_device *phy_device_create(struct mii_bus *bus, int addr, int phy_id, 635 bool is_c45, 636 struct phy_c45_device_ids *c45_ids); 637 struct phy_device *get_phy_device(struct mii_bus *bus, int addr, bool is_c45); 638 int phy_device_register(struct phy_device *phy); 639 int phy_init_hw(struct phy_device *phydev); 640 int phy_suspend(struct phy_device *phydev); 641 int phy_resume(struct phy_device *phydev); 642 struct phy_device *phy_attach(struct net_device *dev, const char *bus_id, 643 phy_interface_t interface); 644 struct phy_device *phy_find_first(struct mii_bus *bus); 645 int phy_attach_direct(struct net_device *dev, struct phy_device *phydev, 646 u32 flags, phy_interface_t interface); 647 int phy_connect_direct(struct net_device *dev, struct phy_device *phydev, 648 void (*handler)(struct net_device *), 649 phy_interface_t interface); 650 struct phy_device *phy_connect(struct net_device *dev, const char *bus_id, 651 void (*handler)(struct net_device *), 652 phy_interface_t interface); 653 void phy_disconnect(struct phy_device *phydev); 654 void phy_detach(struct phy_device *phydev); 655 void phy_start(struct phy_device *phydev); 656 void phy_stop(struct phy_device *phydev); 657 int phy_start_aneg(struct phy_device *phydev); 658 659 int phy_stop_interrupts(struct phy_device *phydev); 660 661 static inline int phy_read_status(struct phy_device *phydev) 662 { 663 return phydev->drv->read_status(phydev); 664 } 665 666 int genphy_setup_forced(struct phy_device *phydev); 667 int genphy_restart_aneg(struct phy_device *phydev); 668 int genphy_config_aneg(struct phy_device *phydev); 669 int genphy_aneg_done(struct phy_device *phydev); 670 int genphy_update_link(struct phy_device *phydev); 671 int genphy_read_status(struct phy_device *phydev); 672 int genphy_suspend(struct phy_device *phydev); 673 int genphy_resume(struct phy_device *phydev); 674 int genphy_soft_reset(struct phy_device *phydev); 675 void phy_driver_unregister(struct phy_driver *drv); 676 void phy_drivers_unregister(struct phy_driver *drv, int n); 677 int phy_driver_register(struct phy_driver *new_driver); 678 int phy_drivers_register(struct phy_driver *new_driver, int n); 679 void phy_state_machine(struct work_struct *work); 680 void phy_change(struct work_struct *work); 681 void phy_mac_interrupt(struct phy_device *phydev, int new_link); 682 void phy_start_machine(struct phy_device *phydev); 683 void phy_stop_machine(struct phy_device *phydev); 684 int phy_ethtool_sset(struct phy_device *phydev, struct ethtool_cmd *cmd); 685 int phy_ethtool_gset(struct phy_device *phydev, struct ethtool_cmd *cmd); 686 int phy_mii_ioctl(struct phy_device *phydev, struct ifreq *ifr, int cmd); 687 int phy_start_interrupts(struct phy_device *phydev); 688 void phy_print_status(struct phy_device *phydev); 689 void phy_device_free(struct phy_device *phydev); 690 691 int phy_register_fixup(const char *bus_id, u32 phy_uid, u32 phy_uid_mask, 692 int (*run)(struct phy_device *)); 693 int phy_register_fixup_for_id(const char *bus_id, 694 int (*run)(struct phy_device *)); 695 int phy_register_fixup_for_uid(u32 phy_uid, u32 phy_uid_mask, 696 int (*run)(struct phy_device *)); 697 698 int phy_init_eee(struct phy_device *phydev, bool clk_stop_enable); 699 int phy_get_eee_err(struct phy_device *phydev); 700 int phy_ethtool_set_eee(struct phy_device *phydev, struct ethtool_eee *data); 701 int phy_ethtool_get_eee(struct phy_device *phydev, struct ethtool_eee *data); 702 int phy_ethtool_set_wol(struct phy_device *phydev, struct ethtool_wolinfo *wol); 703 void phy_ethtool_get_wol(struct phy_device *phydev, 704 struct ethtool_wolinfo *wol); 705 706 int __init mdio_bus_init(void); 707 void mdio_bus_exit(void); 708 709 extern struct bus_type mdio_bus_type; 710 #endif /* __PHY_H */ 711