1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * Framework and drivers for configuring and reading different PHYs 4 * Based on code in sungem_phy.c and (long-removed) gianfar_phy.c 5 * 6 * Author: Andy Fleming 7 * 8 * Copyright (c) 2004 Freescale Semiconductor, Inc. 9 */ 10 11 #ifndef __PHY_H 12 #define __PHY_H 13 14 #include <linux/compiler.h> 15 #include <linux/spinlock.h> 16 #include <linux/ethtool.h> 17 #include <linux/linkmode.h> 18 #include <linux/netlink.h> 19 #include <linux/mdio.h> 20 #include <linux/mii.h> 21 #include <linux/mii_timestamper.h> 22 #include <linux/module.h> 23 #include <linux/timer.h> 24 #include <linux/workqueue.h> 25 #include <linux/mod_devicetable.h> 26 #include <linux/u64_stats_sync.h> 27 #include <linux/irqreturn.h> 28 #include <linux/iopoll.h> 29 #include <linux/refcount.h> 30 31 #include <linux/atomic.h> 32 33 #define PHY_DEFAULT_FEATURES (SUPPORTED_Autoneg | \ 34 SUPPORTED_TP | \ 35 SUPPORTED_MII) 36 37 #define PHY_10BT_FEATURES (SUPPORTED_10baseT_Half | \ 38 SUPPORTED_10baseT_Full) 39 40 #define PHY_100BT_FEATURES (SUPPORTED_100baseT_Half | \ 41 SUPPORTED_100baseT_Full) 42 43 #define PHY_1000BT_FEATURES (SUPPORTED_1000baseT_Half | \ 44 SUPPORTED_1000baseT_Full) 45 46 extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_basic_features) __ro_after_init; 47 extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_basic_t1_features) __ro_after_init; 48 extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_gbit_features) __ro_after_init; 49 extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_gbit_fibre_features) __ro_after_init; 50 extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_gbit_all_ports_features) __ro_after_init; 51 extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_10gbit_features) __ro_after_init; 52 extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_10gbit_fec_features) __ro_after_init; 53 extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_10gbit_full_features) __ro_after_init; 54 55 #define PHY_BASIC_FEATURES ((unsigned long *)&phy_basic_features) 56 #define PHY_BASIC_T1_FEATURES ((unsigned long *)&phy_basic_t1_features) 57 #define PHY_GBIT_FEATURES ((unsigned long *)&phy_gbit_features) 58 #define PHY_GBIT_FIBRE_FEATURES ((unsigned long *)&phy_gbit_fibre_features) 59 #define PHY_GBIT_ALL_PORTS_FEATURES ((unsigned long *)&phy_gbit_all_ports_features) 60 #define PHY_10GBIT_FEATURES ((unsigned long *)&phy_10gbit_features) 61 #define PHY_10GBIT_FEC_FEATURES ((unsigned long *)&phy_10gbit_fec_features) 62 #define PHY_10GBIT_FULL_FEATURES ((unsigned long *)&phy_10gbit_full_features) 63 64 extern const int phy_basic_ports_array[3]; 65 extern const int phy_fibre_port_array[1]; 66 extern const int phy_all_ports_features_array[7]; 67 extern const int phy_10_100_features_array[4]; 68 extern const int phy_basic_t1_features_array[2]; 69 extern const int phy_gbit_features_array[2]; 70 extern const int phy_10gbit_features_array[1]; 71 72 /* 73 * Set phydev->irq to PHY_POLL if interrupts are not supported, 74 * or not desired for this PHY. Set to PHY_MAC_INTERRUPT if 75 * the attached MAC driver handles the interrupt 76 */ 77 #define PHY_POLL -1 78 #define PHY_MAC_INTERRUPT -2 79 80 #define PHY_IS_INTERNAL 0x00000001 81 #define PHY_RST_AFTER_CLK_EN 0x00000002 82 #define PHY_POLL_CABLE_TEST 0x00000004 83 #define MDIO_DEVICE_IS_PHY 0x80000000 84 85 /** 86 * enum phy_interface_t - Interface Mode definitions 87 * 88 * @PHY_INTERFACE_MODE_NA: Not Applicable - don't touch 89 * @PHY_INTERFACE_MODE_INTERNAL: No interface, MAC and PHY combined 90 * @PHY_INTERFACE_MODE_MII: Median-independent interface 91 * @PHY_INTERFACE_MODE_GMII: Gigabit median-independent interface 92 * @PHY_INTERFACE_MODE_SGMII: Serial gigabit media-independent interface 93 * @PHY_INTERFACE_MODE_TBI: Ten Bit Interface 94 * @PHY_INTERFACE_MODE_REVMII: Reverse Media Independent Interface 95 * @PHY_INTERFACE_MODE_RMII: Reduced Media Independent Interface 96 * @PHY_INTERFACE_MODE_REVRMII: Reduced Media Independent Interface in PHY role 97 * @PHY_INTERFACE_MODE_RGMII: Reduced gigabit media-independent interface 98 * @PHY_INTERFACE_MODE_RGMII_ID: RGMII with Internal RX+TX delay 99 * @PHY_INTERFACE_MODE_RGMII_RXID: RGMII with Internal RX delay 100 * @PHY_INTERFACE_MODE_RGMII_TXID: RGMII with Internal RX delay 101 * @PHY_INTERFACE_MODE_RTBI: Reduced TBI 102 * @PHY_INTERFACE_MODE_SMII: ??? MII 103 * @PHY_INTERFACE_MODE_XGMII: 10 gigabit media-independent interface 104 * @PHY_INTERFACE_MODE_XLGMII:40 gigabit media-independent interface 105 * @PHY_INTERFACE_MODE_MOCA: Multimedia over Coax 106 * @PHY_INTERFACE_MODE_QSGMII: Quad SGMII 107 * @PHY_INTERFACE_MODE_TRGMII: Turbo RGMII 108 * @PHY_INTERFACE_MODE_100BASEX: 100 BaseX 109 * @PHY_INTERFACE_MODE_1000BASEX: 1000 BaseX 110 * @PHY_INTERFACE_MODE_2500BASEX: 2500 BaseX 111 * @PHY_INTERFACE_MODE_5GBASER: 5G BaseR 112 * @PHY_INTERFACE_MODE_RXAUI: Reduced XAUI 113 * @PHY_INTERFACE_MODE_XAUI: 10 Gigabit Attachment Unit Interface 114 * @PHY_INTERFACE_MODE_10GBASER: 10G BaseR 115 * @PHY_INTERFACE_MODE_USXGMII: Universal Serial 10GE MII 116 * @PHY_INTERFACE_MODE_10GKR: 10GBASE-KR - with Clause 73 AN 117 * @PHY_INTERFACE_MODE_MAX: Book keeping 118 * 119 * Describes the interface between the MAC and PHY. 120 */ 121 typedef enum { 122 PHY_INTERFACE_MODE_NA, 123 PHY_INTERFACE_MODE_INTERNAL, 124 PHY_INTERFACE_MODE_MII, 125 PHY_INTERFACE_MODE_GMII, 126 PHY_INTERFACE_MODE_SGMII, 127 PHY_INTERFACE_MODE_TBI, 128 PHY_INTERFACE_MODE_REVMII, 129 PHY_INTERFACE_MODE_RMII, 130 PHY_INTERFACE_MODE_REVRMII, 131 PHY_INTERFACE_MODE_RGMII, 132 PHY_INTERFACE_MODE_RGMII_ID, 133 PHY_INTERFACE_MODE_RGMII_RXID, 134 PHY_INTERFACE_MODE_RGMII_TXID, 135 PHY_INTERFACE_MODE_RTBI, 136 PHY_INTERFACE_MODE_SMII, 137 PHY_INTERFACE_MODE_XGMII, 138 PHY_INTERFACE_MODE_XLGMII, 139 PHY_INTERFACE_MODE_MOCA, 140 PHY_INTERFACE_MODE_QSGMII, 141 PHY_INTERFACE_MODE_TRGMII, 142 PHY_INTERFACE_MODE_100BASEX, 143 PHY_INTERFACE_MODE_1000BASEX, 144 PHY_INTERFACE_MODE_2500BASEX, 145 PHY_INTERFACE_MODE_5GBASER, 146 PHY_INTERFACE_MODE_RXAUI, 147 PHY_INTERFACE_MODE_XAUI, 148 /* 10GBASE-R, XFI, SFI - single lane 10G Serdes */ 149 PHY_INTERFACE_MODE_10GBASER, 150 PHY_INTERFACE_MODE_USXGMII, 151 /* 10GBASE-KR - with Clause 73 AN */ 152 PHY_INTERFACE_MODE_10GKR, 153 PHY_INTERFACE_MODE_MAX, 154 } phy_interface_t; 155 156 /* 157 * phy_supported_speeds - return all speeds currently supported by a PHY device 158 */ 159 unsigned int phy_supported_speeds(struct phy_device *phy, 160 unsigned int *speeds, 161 unsigned int size); 162 163 /** 164 * phy_modes - map phy_interface_t enum to device tree binding of phy-mode 165 * @interface: enum phy_interface_t value 166 * 167 * Description: maps enum &phy_interface_t defined in this file 168 * into the device tree binding of 'phy-mode', so that Ethernet 169 * device driver can get PHY interface from device tree. 170 */ 171 static inline const char *phy_modes(phy_interface_t interface) 172 { 173 switch (interface) { 174 case PHY_INTERFACE_MODE_NA: 175 return ""; 176 case PHY_INTERFACE_MODE_INTERNAL: 177 return "internal"; 178 case PHY_INTERFACE_MODE_MII: 179 return "mii"; 180 case PHY_INTERFACE_MODE_GMII: 181 return "gmii"; 182 case PHY_INTERFACE_MODE_SGMII: 183 return "sgmii"; 184 case PHY_INTERFACE_MODE_TBI: 185 return "tbi"; 186 case PHY_INTERFACE_MODE_REVMII: 187 return "rev-mii"; 188 case PHY_INTERFACE_MODE_RMII: 189 return "rmii"; 190 case PHY_INTERFACE_MODE_REVRMII: 191 return "rev-rmii"; 192 case PHY_INTERFACE_MODE_RGMII: 193 return "rgmii"; 194 case PHY_INTERFACE_MODE_RGMII_ID: 195 return "rgmii-id"; 196 case PHY_INTERFACE_MODE_RGMII_RXID: 197 return "rgmii-rxid"; 198 case PHY_INTERFACE_MODE_RGMII_TXID: 199 return "rgmii-txid"; 200 case PHY_INTERFACE_MODE_RTBI: 201 return "rtbi"; 202 case PHY_INTERFACE_MODE_SMII: 203 return "smii"; 204 case PHY_INTERFACE_MODE_XGMII: 205 return "xgmii"; 206 case PHY_INTERFACE_MODE_XLGMII: 207 return "xlgmii"; 208 case PHY_INTERFACE_MODE_MOCA: 209 return "moca"; 210 case PHY_INTERFACE_MODE_QSGMII: 211 return "qsgmii"; 212 case PHY_INTERFACE_MODE_TRGMII: 213 return "trgmii"; 214 case PHY_INTERFACE_MODE_1000BASEX: 215 return "1000base-x"; 216 case PHY_INTERFACE_MODE_2500BASEX: 217 return "2500base-x"; 218 case PHY_INTERFACE_MODE_5GBASER: 219 return "5gbase-r"; 220 case PHY_INTERFACE_MODE_RXAUI: 221 return "rxaui"; 222 case PHY_INTERFACE_MODE_XAUI: 223 return "xaui"; 224 case PHY_INTERFACE_MODE_10GBASER: 225 return "10gbase-r"; 226 case PHY_INTERFACE_MODE_USXGMII: 227 return "usxgmii"; 228 case PHY_INTERFACE_MODE_10GKR: 229 return "10gbase-kr"; 230 case PHY_INTERFACE_MODE_100BASEX: 231 return "100base-x"; 232 default: 233 return "unknown"; 234 } 235 } 236 237 238 #define PHY_INIT_TIMEOUT 100000 239 #define PHY_FORCE_TIMEOUT 10 240 241 #define PHY_MAX_ADDR 32 242 243 /* Used when trying to connect to a specific phy (mii bus id:phy device id) */ 244 #define PHY_ID_FMT "%s:%02x" 245 246 #define MII_BUS_ID_SIZE 61 247 248 struct device; 249 struct phylink; 250 struct sfp_bus; 251 struct sfp_upstream_ops; 252 struct sk_buff; 253 254 /** 255 * struct mdio_bus_stats - Statistics counters for MDIO busses 256 * @transfers: Total number of transfers, i.e. @writes + @reads 257 * @errors: Number of MDIO transfers that returned an error 258 * @writes: Number of write transfers 259 * @reads: Number of read transfers 260 * @syncp: Synchronisation for incrementing statistics 261 */ 262 struct mdio_bus_stats { 263 u64_stats_t transfers; 264 u64_stats_t errors; 265 u64_stats_t writes; 266 u64_stats_t reads; 267 /* Must be last, add new statistics above */ 268 struct u64_stats_sync syncp; 269 }; 270 271 /** 272 * struct phy_package_shared - Shared information in PHY packages 273 * @addr: Common PHY address used to combine PHYs in one package 274 * @refcnt: Number of PHYs connected to this shared data 275 * @flags: Initialization of PHY package 276 * @priv_size: Size of the shared private data @priv 277 * @priv: Driver private data shared across a PHY package 278 * 279 * Represents a shared structure between different phydev's in the same 280 * package, for example a quad PHY. See phy_package_join() and 281 * phy_package_leave(). 282 */ 283 struct phy_package_shared { 284 int addr; 285 refcount_t refcnt; 286 unsigned long flags; 287 size_t priv_size; 288 289 /* private data pointer */ 290 /* note that this pointer is shared between different phydevs and 291 * the user has to take care of appropriate locking. It is allocated 292 * and freed automatically by phy_package_join() and 293 * phy_package_leave(). 294 */ 295 void *priv; 296 }; 297 298 /* used as bit number in atomic bitops */ 299 #define PHY_SHARED_F_INIT_DONE 0 300 #define PHY_SHARED_F_PROBE_DONE 1 301 302 /** 303 * struct mii_bus - Represents an MDIO bus 304 * 305 * @owner: Who owns this device 306 * @name: User friendly name for this MDIO device, or driver name 307 * @id: Unique identifier for this bus, typical from bus hierarchy 308 * @priv: Driver private data 309 * 310 * The Bus class for PHYs. Devices which provide access to 311 * PHYs should register using this structure 312 */ 313 struct mii_bus { 314 struct module *owner; 315 const char *name; 316 char id[MII_BUS_ID_SIZE]; 317 void *priv; 318 /** @read: Perform a read transfer on the bus */ 319 int (*read)(struct mii_bus *bus, int addr, int regnum); 320 /** @write: Perform a write transfer on the bus */ 321 int (*write)(struct mii_bus *bus, int addr, int regnum, u16 val); 322 /** @reset: Perform a reset of the bus */ 323 int (*reset)(struct mii_bus *bus); 324 325 /** @stats: Statistic counters per device on the bus */ 326 struct mdio_bus_stats stats[PHY_MAX_ADDR]; 327 328 /** 329 * @mdio_lock: A lock to ensure that only one thing can read/write 330 * the MDIO bus at a time 331 */ 332 struct mutex mdio_lock; 333 334 /** @parent: Parent device of this bus */ 335 struct device *parent; 336 /** @state: State of bus structure */ 337 enum { 338 MDIOBUS_ALLOCATED = 1, 339 MDIOBUS_REGISTERED, 340 MDIOBUS_UNREGISTERED, 341 MDIOBUS_RELEASED, 342 } state; 343 344 /** @dev: Kernel device representation */ 345 struct device dev; 346 347 /** @mdio_map: list of all MDIO devices on bus */ 348 struct mdio_device *mdio_map[PHY_MAX_ADDR]; 349 350 /** @phy_mask: PHY addresses to be ignored when probing */ 351 u32 phy_mask; 352 353 /** @phy_ignore_ta_mask: PHY addresses to ignore the TA/read failure */ 354 u32 phy_ignore_ta_mask; 355 356 /** 357 * @irq: An array of interrupts, each PHY's interrupt at the index 358 * matching its address 359 */ 360 int irq[PHY_MAX_ADDR]; 361 362 /** @reset_delay_us: GPIO reset pulse width in microseconds */ 363 int reset_delay_us; 364 /** @reset_post_delay_us: GPIO reset deassert delay in microseconds */ 365 int reset_post_delay_us; 366 /** @reset_gpiod: Reset GPIO descriptor pointer */ 367 struct gpio_desc *reset_gpiod; 368 369 /** @probe_capabilities: bus capabilities, used for probing */ 370 enum { 371 MDIOBUS_NO_CAP = 0, 372 MDIOBUS_C22, 373 MDIOBUS_C45, 374 MDIOBUS_C22_C45, 375 } probe_capabilities; 376 377 /** @shared_lock: protect access to the shared element */ 378 struct mutex shared_lock; 379 380 /** @shared: shared state across different PHYs */ 381 struct phy_package_shared *shared[PHY_MAX_ADDR]; 382 }; 383 #define to_mii_bus(d) container_of(d, struct mii_bus, dev) 384 385 struct mii_bus *mdiobus_alloc_size(size_t size); 386 387 /** 388 * mdiobus_alloc - Allocate an MDIO bus structure 389 * 390 * The internal state of the MDIO bus will be set of MDIOBUS_ALLOCATED ready 391 * for the driver to register the bus. 392 */ 393 static inline struct mii_bus *mdiobus_alloc(void) 394 { 395 return mdiobus_alloc_size(0); 396 } 397 398 int __mdiobus_register(struct mii_bus *bus, struct module *owner); 399 int __devm_mdiobus_register(struct device *dev, struct mii_bus *bus, 400 struct module *owner); 401 #define mdiobus_register(bus) __mdiobus_register(bus, THIS_MODULE) 402 #define devm_mdiobus_register(dev, bus) \ 403 __devm_mdiobus_register(dev, bus, THIS_MODULE) 404 405 void mdiobus_unregister(struct mii_bus *bus); 406 void mdiobus_free(struct mii_bus *bus); 407 struct mii_bus *devm_mdiobus_alloc_size(struct device *dev, int sizeof_priv); 408 static inline struct mii_bus *devm_mdiobus_alloc(struct device *dev) 409 { 410 return devm_mdiobus_alloc_size(dev, 0); 411 } 412 413 struct mii_bus *mdio_find_bus(const char *mdio_name); 414 struct phy_device *mdiobus_scan(struct mii_bus *bus, int addr); 415 416 #define PHY_INTERRUPT_DISABLED false 417 #define PHY_INTERRUPT_ENABLED true 418 419 /** 420 * enum phy_state - PHY state machine states: 421 * 422 * @PHY_DOWN: PHY device and driver are not ready for anything. probe 423 * should be called if and only if the PHY is in this state, 424 * given that the PHY device exists. 425 * - PHY driver probe function will set the state to @PHY_READY 426 * 427 * @PHY_READY: PHY is ready to send and receive packets, but the 428 * controller is not. By default, PHYs which do not implement 429 * probe will be set to this state by phy_probe(). 430 * - start will set the state to UP 431 * 432 * @PHY_UP: The PHY and attached device are ready to do work. 433 * Interrupts should be started here. 434 * - timer moves to @PHY_NOLINK or @PHY_RUNNING 435 * 436 * @PHY_NOLINK: PHY is up, but not currently plugged in. 437 * - irq or timer will set @PHY_RUNNING if link comes back 438 * - phy_stop moves to @PHY_HALTED 439 * 440 * @PHY_RUNNING: PHY is currently up, running, and possibly sending 441 * and/or receiving packets 442 * - irq or timer will set @PHY_NOLINK if link goes down 443 * - phy_stop moves to @PHY_HALTED 444 * 445 * @PHY_CABLETEST: PHY is performing a cable test. Packet reception/sending 446 * is not expected to work, carrier will be indicated as down. PHY will be 447 * poll once per second, or on interrupt for it current state. 448 * Once complete, move to UP to restart the PHY. 449 * - phy_stop aborts the running test and moves to @PHY_HALTED 450 * 451 * @PHY_HALTED: PHY is up, but no polling or interrupts are done. Or 452 * PHY is in an error state. 453 * - phy_start moves to @PHY_UP 454 */ 455 enum phy_state { 456 PHY_DOWN = 0, 457 PHY_READY, 458 PHY_HALTED, 459 PHY_UP, 460 PHY_RUNNING, 461 PHY_NOLINK, 462 PHY_CABLETEST, 463 }; 464 465 #define MDIO_MMD_NUM 32 466 467 /** 468 * struct phy_c45_device_ids - 802.3-c45 Device Identifiers 469 * @devices_in_package: IEEE 802.3 devices in package register value. 470 * @mmds_present: bit vector of MMDs present. 471 * @device_ids: The device identifer for each present device. 472 */ 473 struct phy_c45_device_ids { 474 u32 devices_in_package; 475 u32 mmds_present; 476 u32 device_ids[MDIO_MMD_NUM]; 477 }; 478 479 struct macsec_context; 480 struct macsec_ops; 481 482 /** 483 * struct phy_device - An instance of a PHY 484 * 485 * @mdio: MDIO bus this PHY is on 486 * @drv: Pointer to the driver for this PHY instance 487 * @phy_id: UID for this device found during discovery 488 * @c45_ids: 802.3-c45 Device Identifiers if is_c45. 489 * @is_c45: Set to true if this PHY uses clause 45 addressing. 490 * @is_internal: Set to true if this PHY is internal to a MAC. 491 * @is_pseudo_fixed_link: Set to true if this PHY is an Ethernet switch, etc. 492 * @is_gigabit_capable: Set to true if PHY supports 1000Mbps 493 * @has_fixups: Set to true if this PHY has fixups/quirks. 494 * @suspended: Set to true if this PHY has been suspended successfully. 495 * @suspended_by_mdio_bus: Set to true if this PHY was suspended by MDIO bus. 496 * @sysfs_links: Internal boolean tracking sysfs symbolic links setup/removal. 497 * @loopback_enabled: Set true if this PHY has been loopbacked successfully. 498 * @downshifted_rate: Set true if link speed has been downshifted. 499 * @is_on_sfp_module: Set true if PHY is located on an SFP module. 500 * @mac_managed_pm: Set true if MAC driver takes of suspending/resuming PHY 501 * @state: State of the PHY for management purposes 502 * @dev_flags: Device-specific flags used by the PHY driver. 503 * Bits [15:0] are free to use by the PHY driver to communicate 504 * driver specific behavior. 505 * Bits [23:16] are currently reserved for future use. 506 * Bits [31:24] are reserved for defining generic 507 * PHY driver behavior. 508 * @irq: IRQ number of the PHY's interrupt (-1 if none) 509 * @phy_timer: The timer for handling the state machine 510 * @phylink: Pointer to phylink instance for this PHY 511 * @sfp_bus_attached: Flag indicating whether the SFP bus has been attached 512 * @sfp_bus: SFP bus attached to this PHY's fiber port 513 * @attached_dev: The attached enet driver's device instance ptr 514 * @adjust_link: Callback for the enet controller to respond to changes: in the 515 * link state. 516 * @phy_link_change: Callback for phylink for notification of link change 517 * @macsec_ops: MACsec offloading ops. 518 * 519 * @speed: Current link speed 520 * @duplex: Current duplex 521 * @port: Current port 522 * @pause: Current pause 523 * @asym_pause: Current asymmetric pause 524 * @supported: Combined MAC/PHY supported linkmodes 525 * @advertising: Currently advertised linkmodes 526 * @adv_old: Saved advertised while power saving for WoL 527 * @lp_advertising: Current link partner advertised linkmodes 528 * @eee_broken_modes: Energy efficient ethernet modes which should be prohibited 529 * @autoneg: Flag autoneg being used 530 * @link: Current link state 531 * @autoneg_complete: Flag auto negotiation of the link has completed 532 * @mdix: Current crossover 533 * @mdix_ctrl: User setting of crossover 534 * @interrupts: Flag interrupts have been enabled 535 * @interface: enum phy_interface_t value 536 * @skb: Netlink message for cable diagnostics 537 * @nest: Netlink nest used for cable diagnostics 538 * @ehdr: nNtlink header for cable diagnostics 539 * @phy_led_triggers: Array of LED triggers 540 * @phy_num_led_triggers: Number of triggers in @phy_led_triggers 541 * @led_link_trigger: LED trigger for link up/down 542 * @last_triggered: last LED trigger for link speed 543 * @master_slave_set: User requested master/slave configuration 544 * @master_slave_get: Current master/slave advertisement 545 * @master_slave_state: Current master/slave configuration 546 * @mii_ts: Pointer to time stamper callbacks 547 * @lock: Mutex for serialization access to PHY 548 * @state_queue: Work queue for state machine 549 * @shared: Pointer to private data shared by phys in one package 550 * @priv: Pointer to driver private data 551 * 552 * interrupts currently only supports enabled or disabled, 553 * but could be changed in the future to support enabling 554 * and disabling specific interrupts 555 * 556 * Contains some infrastructure for polling and interrupt 557 * handling, as well as handling shifts in PHY hardware state 558 */ 559 struct phy_device { 560 struct mdio_device mdio; 561 562 /* Information about the PHY type */ 563 /* And management functions */ 564 struct phy_driver *drv; 565 566 u32 phy_id; 567 568 struct phy_c45_device_ids c45_ids; 569 unsigned is_c45:1; 570 unsigned is_internal:1; 571 unsigned is_pseudo_fixed_link:1; 572 unsigned is_gigabit_capable:1; 573 unsigned has_fixups:1; 574 unsigned suspended:1; 575 unsigned suspended_by_mdio_bus:1; 576 unsigned sysfs_links:1; 577 unsigned loopback_enabled:1; 578 unsigned downshifted_rate:1; 579 unsigned is_on_sfp_module:1; 580 unsigned mac_managed_pm:1; 581 582 unsigned autoneg:1; 583 /* The most recently read link state */ 584 unsigned link:1; 585 unsigned autoneg_complete:1; 586 587 /* Interrupts are enabled */ 588 unsigned interrupts:1; 589 590 enum phy_state state; 591 592 u32 dev_flags; 593 594 phy_interface_t interface; 595 596 /* 597 * forced speed & duplex (no autoneg) 598 * partner speed & duplex & pause (autoneg) 599 */ 600 int speed; 601 int duplex; 602 int port; 603 int pause; 604 int asym_pause; 605 u8 master_slave_get; 606 u8 master_slave_set; 607 u8 master_slave_state; 608 609 /* Union of PHY and Attached devices' supported link modes */ 610 /* See ethtool.h for more info */ 611 __ETHTOOL_DECLARE_LINK_MODE_MASK(supported); 612 __ETHTOOL_DECLARE_LINK_MODE_MASK(advertising); 613 __ETHTOOL_DECLARE_LINK_MODE_MASK(lp_advertising); 614 /* used with phy_speed_down */ 615 __ETHTOOL_DECLARE_LINK_MODE_MASK(adv_old); 616 617 /* Energy efficient ethernet modes which should be prohibited */ 618 u32 eee_broken_modes; 619 620 #ifdef CONFIG_LED_TRIGGER_PHY 621 struct phy_led_trigger *phy_led_triggers; 622 unsigned int phy_num_led_triggers; 623 struct phy_led_trigger *last_triggered; 624 625 struct phy_led_trigger *led_link_trigger; 626 #endif 627 628 /* 629 * Interrupt number for this PHY 630 * -1 means no interrupt 631 */ 632 int irq; 633 634 /* private data pointer */ 635 /* For use by PHYs to maintain extra state */ 636 void *priv; 637 638 /* shared data pointer */ 639 /* For use by PHYs inside the same package that need a shared state. */ 640 struct phy_package_shared *shared; 641 642 /* Reporting cable test results */ 643 struct sk_buff *skb; 644 void *ehdr; 645 struct nlattr *nest; 646 647 /* Interrupt and Polling infrastructure */ 648 struct delayed_work state_queue; 649 650 struct mutex lock; 651 652 /* This may be modified under the rtnl lock */ 653 bool sfp_bus_attached; 654 struct sfp_bus *sfp_bus; 655 struct phylink *phylink; 656 struct net_device *attached_dev; 657 struct mii_timestamper *mii_ts; 658 659 u8 mdix; 660 u8 mdix_ctrl; 661 662 void (*phy_link_change)(struct phy_device *phydev, bool up); 663 void (*adjust_link)(struct net_device *dev); 664 665 #if IS_ENABLED(CONFIG_MACSEC) 666 /* MACsec management functions */ 667 const struct macsec_ops *macsec_ops; 668 #endif 669 }; 670 671 static inline struct phy_device *to_phy_device(const struct device *dev) 672 { 673 return container_of(to_mdio_device(dev), struct phy_device, mdio); 674 } 675 676 /** 677 * struct phy_tdr_config - Configuration of a TDR raw test 678 * 679 * @first: Distance for first data collection point 680 * @last: Distance for last data collection point 681 * @step: Step between data collection points 682 * @pair: Bitmap of cable pairs to collect data for 683 * 684 * A structure containing possible configuration parameters 685 * for a TDR cable test. The driver does not need to implement 686 * all the parameters, but should report what is actually used. 687 * All distances are in centimeters. 688 */ 689 struct phy_tdr_config { 690 u32 first; 691 u32 last; 692 u32 step; 693 s8 pair; 694 }; 695 #define PHY_PAIR_ALL -1 696 697 /** 698 * struct phy_driver - Driver structure for a particular PHY type 699 * 700 * @mdiodrv: Data common to all MDIO devices 701 * @phy_id: The result of reading the UID registers of this PHY 702 * type, and ANDing them with the phy_id_mask. This driver 703 * only works for PHYs with IDs which match this field 704 * @name: The friendly name of this PHY type 705 * @phy_id_mask: Defines the important bits of the phy_id 706 * @features: A mandatory list of features (speed, duplex, etc) 707 * supported by this PHY 708 * @flags: A bitfield defining certain other features this PHY 709 * supports (like interrupts) 710 * @driver_data: Static driver data 711 * 712 * All functions are optional. If config_aneg or read_status 713 * are not implemented, the phy core uses the genphy versions. 714 * Note that none of these functions should be called from 715 * interrupt time. The goal is for the bus read/write functions 716 * to be able to block when the bus transaction is happening, 717 * and be freed up by an interrupt (The MPC85xx has this ability, 718 * though it is not currently supported in the driver). 719 */ 720 struct phy_driver { 721 struct mdio_driver_common mdiodrv; 722 u32 phy_id; 723 char *name; 724 u32 phy_id_mask; 725 const unsigned long * const features; 726 u32 flags; 727 const void *driver_data; 728 729 /** 730 * @soft_reset: Called to issue a PHY software reset 731 */ 732 int (*soft_reset)(struct phy_device *phydev); 733 734 /** 735 * @config_init: Called to initialize the PHY, 736 * including after a reset 737 */ 738 int (*config_init)(struct phy_device *phydev); 739 740 /** 741 * @probe: Called during discovery. Used to set 742 * up device-specific structures, if any 743 */ 744 int (*probe)(struct phy_device *phydev); 745 746 /** 747 * @get_features: Probe the hardware to determine what 748 * abilities it has. Should only set phydev->supported. 749 */ 750 int (*get_features)(struct phy_device *phydev); 751 752 /* PHY Power Management */ 753 /** @suspend: Suspend the hardware, saving state if needed */ 754 int (*suspend)(struct phy_device *phydev); 755 /** @resume: Resume the hardware, restoring state if needed */ 756 int (*resume)(struct phy_device *phydev); 757 758 /** 759 * @config_aneg: Configures the advertisement and resets 760 * autonegotiation if phydev->autoneg is on, 761 * forces the speed to the current settings in phydev 762 * if phydev->autoneg is off 763 */ 764 int (*config_aneg)(struct phy_device *phydev); 765 766 /** @aneg_done: Determines the auto negotiation result */ 767 int (*aneg_done)(struct phy_device *phydev); 768 769 /** @read_status: Determines the negotiated speed and duplex */ 770 int (*read_status)(struct phy_device *phydev); 771 772 /** 773 * @config_intr: Enables or disables interrupts. 774 * It should also clear any pending interrupts prior to enabling the 775 * IRQs and after disabling them. 776 */ 777 int (*config_intr)(struct phy_device *phydev); 778 779 /** @handle_interrupt: Override default interrupt handling */ 780 irqreturn_t (*handle_interrupt)(struct phy_device *phydev); 781 782 /** @remove: Clears up any memory if needed */ 783 void (*remove)(struct phy_device *phydev); 784 785 /** 786 * @match_phy_device: Returns true if this is a suitable 787 * driver for the given phydev. If NULL, matching is based on 788 * phy_id and phy_id_mask. 789 */ 790 int (*match_phy_device)(struct phy_device *phydev); 791 792 /** 793 * @set_wol: Some devices (e.g. qnap TS-119P II) require PHY 794 * register changes to enable Wake on LAN, so set_wol is 795 * provided to be called in the ethernet driver's set_wol 796 * function. 797 */ 798 int (*set_wol)(struct phy_device *dev, struct ethtool_wolinfo *wol); 799 800 /** 801 * @get_wol: See set_wol, but for checking whether Wake on LAN 802 * is enabled. 803 */ 804 void (*get_wol)(struct phy_device *dev, struct ethtool_wolinfo *wol); 805 806 /** 807 * @link_change_notify: Called to inform a PHY device driver 808 * when the core is about to change the link state. This 809 * callback is supposed to be used as fixup hook for drivers 810 * that need to take action when the link state 811 * changes. Drivers are by no means allowed to mess with the 812 * PHY device structure in their implementations. 813 */ 814 void (*link_change_notify)(struct phy_device *dev); 815 816 /** 817 * @read_mmd: PHY specific driver override for reading a MMD 818 * register. This function is optional for PHY specific 819 * drivers. When not provided, the default MMD read function 820 * will be used by phy_read_mmd(), which will use either a 821 * direct read for Clause 45 PHYs or an indirect read for 822 * Clause 22 PHYs. devnum is the MMD device number within the 823 * PHY device, regnum is the register within the selected MMD 824 * device. 825 */ 826 int (*read_mmd)(struct phy_device *dev, int devnum, u16 regnum); 827 828 /** 829 * @write_mmd: PHY specific driver override for writing a MMD 830 * register. This function is optional for PHY specific 831 * drivers. When not provided, the default MMD write function 832 * will be used by phy_write_mmd(), which will use either a 833 * direct write for Clause 45 PHYs, or an indirect write for 834 * Clause 22 PHYs. devnum is the MMD device number within the 835 * PHY device, regnum is the register within the selected MMD 836 * device. val is the value to be written. 837 */ 838 int (*write_mmd)(struct phy_device *dev, int devnum, u16 regnum, 839 u16 val); 840 841 /** @read_page: Return the current PHY register page number */ 842 int (*read_page)(struct phy_device *dev); 843 /** @write_page: Set the current PHY register page number */ 844 int (*write_page)(struct phy_device *dev, int page); 845 846 /** 847 * @module_info: Get the size and type of the eeprom contained 848 * within a plug-in module 849 */ 850 int (*module_info)(struct phy_device *dev, 851 struct ethtool_modinfo *modinfo); 852 853 /** 854 * @module_eeprom: Get the eeprom information from the plug-in 855 * module 856 */ 857 int (*module_eeprom)(struct phy_device *dev, 858 struct ethtool_eeprom *ee, u8 *data); 859 860 /** @cable_test_start: Start a cable test */ 861 int (*cable_test_start)(struct phy_device *dev); 862 863 /** @cable_test_tdr_start: Start a raw TDR cable test */ 864 int (*cable_test_tdr_start)(struct phy_device *dev, 865 const struct phy_tdr_config *config); 866 867 /** 868 * @cable_test_get_status: Once per second, or on interrupt, 869 * request the status of the test. 870 */ 871 int (*cable_test_get_status)(struct phy_device *dev, bool *finished); 872 873 /* Get statistics from the PHY using ethtool */ 874 /** @get_sset_count: Number of statistic counters */ 875 int (*get_sset_count)(struct phy_device *dev); 876 /** @get_strings: Names of the statistic counters */ 877 void (*get_strings)(struct phy_device *dev, u8 *data); 878 /** @get_stats: Return the statistic counter values */ 879 void (*get_stats)(struct phy_device *dev, 880 struct ethtool_stats *stats, u64 *data); 881 882 /* Get and Set PHY tunables */ 883 /** @get_tunable: Return the value of a tunable */ 884 int (*get_tunable)(struct phy_device *dev, 885 struct ethtool_tunable *tuna, void *data); 886 /** @set_tunable: Set the value of a tunable */ 887 int (*set_tunable)(struct phy_device *dev, 888 struct ethtool_tunable *tuna, 889 const void *data); 890 /** @set_loopback: Set the loopback mood of the PHY */ 891 int (*set_loopback)(struct phy_device *dev, bool enable); 892 /** @get_sqi: Get the signal quality indication */ 893 int (*get_sqi)(struct phy_device *dev); 894 /** @get_sqi_max: Get the maximum signal quality indication */ 895 int (*get_sqi_max)(struct phy_device *dev); 896 }; 897 #define to_phy_driver(d) container_of(to_mdio_common_driver(d), \ 898 struct phy_driver, mdiodrv) 899 900 #define PHY_ANY_ID "MATCH ANY PHY" 901 #define PHY_ANY_UID 0xffffffff 902 903 #define PHY_ID_MATCH_EXACT(id) .phy_id = (id), .phy_id_mask = GENMASK(31, 0) 904 #define PHY_ID_MATCH_MODEL(id) .phy_id = (id), .phy_id_mask = GENMASK(31, 4) 905 #define PHY_ID_MATCH_VENDOR(id) .phy_id = (id), .phy_id_mask = GENMASK(31, 10) 906 907 /* A Structure for boards to register fixups with the PHY Lib */ 908 struct phy_fixup { 909 struct list_head list; 910 char bus_id[MII_BUS_ID_SIZE + 3]; 911 u32 phy_uid; 912 u32 phy_uid_mask; 913 int (*run)(struct phy_device *phydev); 914 }; 915 916 const char *phy_speed_to_str(int speed); 917 const char *phy_duplex_to_str(unsigned int duplex); 918 919 /* A structure for mapping a particular speed and duplex 920 * combination to a particular SUPPORTED and ADVERTISED value 921 */ 922 struct phy_setting { 923 u32 speed; 924 u8 duplex; 925 u8 bit; 926 }; 927 928 const struct phy_setting * 929 phy_lookup_setting(int speed, int duplex, const unsigned long *mask, 930 bool exact); 931 size_t phy_speeds(unsigned int *speeds, size_t size, 932 unsigned long *mask); 933 void of_set_phy_supported(struct phy_device *phydev); 934 void of_set_phy_eee_broken(struct phy_device *phydev); 935 int phy_speed_down_core(struct phy_device *phydev); 936 937 /** 938 * phy_is_started - Convenience function to check whether PHY is started 939 * @phydev: The phy_device struct 940 */ 941 static inline bool phy_is_started(struct phy_device *phydev) 942 { 943 return phydev->state >= PHY_UP; 944 } 945 946 void phy_resolve_aneg_pause(struct phy_device *phydev); 947 void phy_resolve_aneg_linkmode(struct phy_device *phydev); 948 void phy_check_downshift(struct phy_device *phydev); 949 950 /** 951 * phy_read - Convenience function for reading a given PHY register 952 * @phydev: the phy_device struct 953 * @regnum: register number to read 954 * 955 * NOTE: MUST NOT be called from interrupt context, 956 * because the bus read/write functions may wait for an interrupt 957 * to conclude the operation. 958 */ 959 static inline int phy_read(struct phy_device *phydev, u32 regnum) 960 { 961 return mdiobus_read(phydev->mdio.bus, phydev->mdio.addr, regnum); 962 } 963 964 #define phy_read_poll_timeout(phydev, regnum, val, cond, sleep_us, \ 965 timeout_us, sleep_before_read) \ 966 ({ \ 967 int __ret = read_poll_timeout(phy_read, val, (cond) || val < 0, \ 968 sleep_us, timeout_us, sleep_before_read, phydev, regnum); \ 969 if (val < 0) \ 970 __ret = val; \ 971 if (__ret) \ 972 phydev_err(phydev, "%s failed: %d\n", __func__, __ret); \ 973 __ret; \ 974 }) 975 976 977 /** 978 * __phy_read - convenience function for reading a given PHY register 979 * @phydev: the phy_device struct 980 * @regnum: register number to read 981 * 982 * The caller must have taken the MDIO bus lock. 983 */ 984 static inline int __phy_read(struct phy_device *phydev, u32 regnum) 985 { 986 return __mdiobus_read(phydev->mdio.bus, phydev->mdio.addr, regnum); 987 } 988 989 /** 990 * phy_write - Convenience function for writing a given PHY register 991 * @phydev: the phy_device struct 992 * @regnum: register number to write 993 * @val: value to write to @regnum 994 * 995 * NOTE: MUST NOT be called from interrupt context, 996 * because the bus read/write functions may wait for an interrupt 997 * to conclude the operation. 998 */ 999 static inline int phy_write(struct phy_device *phydev, u32 regnum, u16 val) 1000 { 1001 return mdiobus_write(phydev->mdio.bus, phydev->mdio.addr, regnum, val); 1002 } 1003 1004 /** 1005 * __phy_write - Convenience function for writing a given PHY register 1006 * @phydev: the phy_device struct 1007 * @regnum: register number to write 1008 * @val: value to write to @regnum 1009 * 1010 * The caller must have taken the MDIO bus lock. 1011 */ 1012 static inline int __phy_write(struct phy_device *phydev, u32 regnum, u16 val) 1013 { 1014 return __mdiobus_write(phydev->mdio.bus, phydev->mdio.addr, regnum, 1015 val); 1016 } 1017 1018 /** 1019 * __phy_modify_changed() - Convenience function for modifying a PHY register 1020 * @phydev: a pointer to a &struct phy_device 1021 * @regnum: register number 1022 * @mask: bit mask of bits to clear 1023 * @set: bit mask of bits to set 1024 * 1025 * Unlocked helper function which allows a PHY register to be modified as 1026 * new register value = (old register value & ~mask) | set 1027 * 1028 * Returns negative errno, 0 if there was no change, and 1 in case of change 1029 */ 1030 static inline int __phy_modify_changed(struct phy_device *phydev, u32 regnum, 1031 u16 mask, u16 set) 1032 { 1033 return __mdiobus_modify_changed(phydev->mdio.bus, phydev->mdio.addr, 1034 regnum, mask, set); 1035 } 1036 1037 /* 1038 * phy_read_mmd - Convenience function for reading a register 1039 * from an MMD on a given PHY. 1040 */ 1041 int phy_read_mmd(struct phy_device *phydev, int devad, u32 regnum); 1042 1043 /** 1044 * phy_read_mmd_poll_timeout - Periodically poll a PHY register until a 1045 * condition is met or a timeout occurs 1046 * 1047 * @phydev: The phy_device struct 1048 * @devaddr: The MMD to read from 1049 * @regnum: The register on the MMD to read 1050 * @val: Variable to read the register into 1051 * @cond: Break condition (usually involving @val) 1052 * @sleep_us: Maximum time to sleep between reads in us (0 1053 * tight-loops). Should be less than ~20ms since usleep_range 1054 * is used (see Documentation/timers/timers-howto.rst). 1055 * @timeout_us: Timeout in us, 0 means never timeout 1056 * @sleep_before_read: if it is true, sleep @sleep_us before read. 1057 * Returns 0 on success and -ETIMEDOUT upon a timeout. In either 1058 * case, the last read value at @args is stored in @val. Must not 1059 * be called from atomic context if sleep_us or timeout_us are used. 1060 */ 1061 #define phy_read_mmd_poll_timeout(phydev, devaddr, regnum, val, cond, \ 1062 sleep_us, timeout_us, sleep_before_read) \ 1063 ({ \ 1064 int __ret = read_poll_timeout(phy_read_mmd, val, (cond) || val < 0, \ 1065 sleep_us, timeout_us, sleep_before_read, \ 1066 phydev, devaddr, regnum); \ 1067 if (val < 0) \ 1068 __ret = val; \ 1069 if (__ret) \ 1070 phydev_err(phydev, "%s failed: %d\n", __func__, __ret); \ 1071 __ret; \ 1072 }) 1073 1074 /* 1075 * __phy_read_mmd - Convenience function for reading a register 1076 * from an MMD on a given PHY. 1077 */ 1078 int __phy_read_mmd(struct phy_device *phydev, int devad, u32 regnum); 1079 1080 /* 1081 * phy_write_mmd - Convenience function for writing a register 1082 * on an MMD on a given PHY. 1083 */ 1084 int phy_write_mmd(struct phy_device *phydev, int devad, u32 regnum, u16 val); 1085 1086 /* 1087 * __phy_write_mmd - Convenience function for writing a register 1088 * on an MMD on a given PHY. 1089 */ 1090 int __phy_write_mmd(struct phy_device *phydev, int devad, u32 regnum, u16 val); 1091 1092 int __phy_modify_changed(struct phy_device *phydev, u32 regnum, u16 mask, 1093 u16 set); 1094 int phy_modify_changed(struct phy_device *phydev, u32 regnum, u16 mask, 1095 u16 set); 1096 int __phy_modify(struct phy_device *phydev, u32 regnum, u16 mask, u16 set); 1097 int phy_modify(struct phy_device *phydev, u32 regnum, u16 mask, u16 set); 1098 1099 int __phy_modify_mmd_changed(struct phy_device *phydev, int devad, u32 regnum, 1100 u16 mask, u16 set); 1101 int phy_modify_mmd_changed(struct phy_device *phydev, int devad, u32 regnum, 1102 u16 mask, u16 set); 1103 int __phy_modify_mmd(struct phy_device *phydev, int devad, u32 regnum, 1104 u16 mask, u16 set); 1105 int phy_modify_mmd(struct phy_device *phydev, int devad, u32 regnum, 1106 u16 mask, u16 set); 1107 1108 /** 1109 * __phy_set_bits - Convenience function for setting bits in a PHY register 1110 * @phydev: the phy_device struct 1111 * @regnum: register number to write 1112 * @val: bits to set 1113 * 1114 * The caller must have taken the MDIO bus lock. 1115 */ 1116 static inline int __phy_set_bits(struct phy_device *phydev, u32 regnum, u16 val) 1117 { 1118 return __phy_modify(phydev, regnum, 0, val); 1119 } 1120 1121 /** 1122 * __phy_clear_bits - Convenience function for clearing bits in a PHY register 1123 * @phydev: the phy_device struct 1124 * @regnum: register number to write 1125 * @val: bits to clear 1126 * 1127 * The caller must have taken the MDIO bus lock. 1128 */ 1129 static inline int __phy_clear_bits(struct phy_device *phydev, u32 regnum, 1130 u16 val) 1131 { 1132 return __phy_modify(phydev, regnum, val, 0); 1133 } 1134 1135 /** 1136 * phy_set_bits - Convenience function for setting bits in a PHY register 1137 * @phydev: the phy_device struct 1138 * @regnum: register number to write 1139 * @val: bits to set 1140 */ 1141 static inline int phy_set_bits(struct phy_device *phydev, u32 regnum, u16 val) 1142 { 1143 return phy_modify(phydev, regnum, 0, val); 1144 } 1145 1146 /** 1147 * phy_clear_bits - Convenience function for clearing bits in a PHY register 1148 * @phydev: the phy_device struct 1149 * @regnum: register number to write 1150 * @val: bits to clear 1151 */ 1152 static inline int phy_clear_bits(struct phy_device *phydev, u32 regnum, u16 val) 1153 { 1154 return phy_modify(phydev, regnum, val, 0); 1155 } 1156 1157 /** 1158 * __phy_set_bits_mmd - Convenience function for setting bits in a register 1159 * on MMD 1160 * @phydev: the phy_device struct 1161 * @devad: the MMD containing register to modify 1162 * @regnum: register number to modify 1163 * @val: bits to set 1164 * 1165 * The caller must have taken the MDIO bus lock. 1166 */ 1167 static inline int __phy_set_bits_mmd(struct phy_device *phydev, int devad, 1168 u32 regnum, u16 val) 1169 { 1170 return __phy_modify_mmd(phydev, devad, regnum, 0, val); 1171 } 1172 1173 /** 1174 * __phy_clear_bits_mmd - Convenience function for clearing bits in a register 1175 * on MMD 1176 * @phydev: the phy_device struct 1177 * @devad: the MMD containing register to modify 1178 * @regnum: register number to modify 1179 * @val: bits to clear 1180 * 1181 * The caller must have taken the MDIO bus lock. 1182 */ 1183 static inline int __phy_clear_bits_mmd(struct phy_device *phydev, int devad, 1184 u32 regnum, u16 val) 1185 { 1186 return __phy_modify_mmd(phydev, devad, regnum, val, 0); 1187 } 1188 1189 /** 1190 * phy_set_bits_mmd - Convenience function for setting bits in a register 1191 * on MMD 1192 * @phydev: the phy_device struct 1193 * @devad: the MMD containing register to modify 1194 * @regnum: register number to modify 1195 * @val: bits to set 1196 */ 1197 static inline int phy_set_bits_mmd(struct phy_device *phydev, int devad, 1198 u32 regnum, u16 val) 1199 { 1200 return phy_modify_mmd(phydev, devad, regnum, 0, val); 1201 } 1202 1203 /** 1204 * phy_clear_bits_mmd - Convenience function for clearing bits in a register 1205 * on MMD 1206 * @phydev: the phy_device struct 1207 * @devad: the MMD containing register to modify 1208 * @regnum: register number to modify 1209 * @val: bits to clear 1210 */ 1211 static inline int phy_clear_bits_mmd(struct phy_device *phydev, int devad, 1212 u32 regnum, u16 val) 1213 { 1214 return phy_modify_mmd(phydev, devad, regnum, val, 0); 1215 } 1216 1217 /** 1218 * phy_interrupt_is_valid - Convenience function for testing a given PHY irq 1219 * @phydev: the phy_device struct 1220 * 1221 * NOTE: must be kept in sync with addition/removal of PHY_POLL and 1222 * PHY_MAC_INTERRUPT 1223 */ 1224 static inline bool phy_interrupt_is_valid(struct phy_device *phydev) 1225 { 1226 return phydev->irq != PHY_POLL && phydev->irq != PHY_MAC_INTERRUPT; 1227 } 1228 1229 /** 1230 * phy_polling_mode - Convenience function for testing whether polling is 1231 * used to detect PHY status changes 1232 * @phydev: the phy_device struct 1233 */ 1234 static inline bool phy_polling_mode(struct phy_device *phydev) 1235 { 1236 if (phydev->state == PHY_CABLETEST) 1237 if (phydev->drv->flags & PHY_POLL_CABLE_TEST) 1238 return true; 1239 1240 return phydev->irq == PHY_POLL; 1241 } 1242 1243 /** 1244 * phy_has_hwtstamp - Tests whether a PHY time stamp configuration. 1245 * @phydev: the phy_device struct 1246 */ 1247 static inline bool phy_has_hwtstamp(struct phy_device *phydev) 1248 { 1249 return phydev && phydev->mii_ts && phydev->mii_ts->hwtstamp; 1250 } 1251 1252 /** 1253 * phy_has_rxtstamp - Tests whether a PHY supports receive time stamping. 1254 * @phydev: the phy_device struct 1255 */ 1256 static inline bool phy_has_rxtstamp(struct phy_device *phydev) 1257 { 1258 return phydev && phydev->mii_ts && phydev->mii_ts->rxtstamp; 1259 } 1260 1261 /** 1262 * phy_has_tsinfo - Tests whether a PHY reports time stamping and/or 1263 * PTP hardware clock capabilities. 1264 * @phydev: the phy_device struct 1265 */ 1266 static inline bool phy_has_tsinfo(struct phy_device *phydev) 1267 { 1268 return phydev && phydev->mii_ts && phydev->mii_ts->ts_info; 1269 } 1270 1271 /** 1272 * phy_has_txtstamp - Tests whether a PHY supports transmit time stamping. 1273 * @phydev: the phy_device struct 1274 */ 1275 static inline bool phy_has_txtstamp(struct phy_device *phydev) 1276 { 1277 return phydev && phydev->mii_ts && phydev->mii_ts->txtstamp; 1278 } 1279 1280 static inline int phy_hwtstamp(struct phy_device *phydev, struct ifreq *ifr) 1281 { 1282 return phydev->mii_ts->hwtstamp(phydev->mii_ts, ifr); 1283 } 1284 1285 static inline bool phy_rxtstamp(struct phy_device *phydev, struct sk_buff *skb, 1286 int type) 1287 { 1288 return phydev->mii_ts->rxtstamp(phydev->mii_ts, skb, type); 1289 } 1290 1291 static inline int phy_ts_info(struct phy_device *phydev, 1292 struct ethtool_ts_info *tsinfo) 1293 { 1294 return phydev->mii_ts->ts_info(phydev->mii_ts, tsinfo); 1295 } 1296 1297 static inline void phy_txtstamp(struct phy_device *phydev, struct sk_buff *skb, 1298 int type) 1299 { 1300 phydev->mii_ts->txtstamp(phydev->mii_ts, skb, type); 1301 } 1302 1303 /** 1304 * phy_is_internal - Convenience function for testing if a PHY is internal 1305 * @phydev: the phy_device struct 1306 */ 1307 static inline bool phy_is_internal(struct phy_device *phydev) 1308 { 1309 return phydev->is_internal; 1310 } 1311 1312 /** 1313 * phy_on_sfp - Convenience function for testing if a PHY is on an SFP module 1314 * @phydev: the phy_device struct 1315 */ 1316 static inline bool phy_on_sfp(struct phy_device *phydev) 1317 { 1318 return phydev->is_on_sfp_module; 1319 } 1320 1321 /** 1322 * phy_interface_mode_is_rgmii - Convenience function for testing if a 1323 * PHY interface mode is RGMII (all variants) 1324 * @mode: the &phy_interface_t enum 1325 */ 1326 static inline bool phy_interface_mode_is_rgmii(phy_interface_t mode) 1327 { 1328 return mode >= PHY_INTERFACE_MODE_RGMII && 1329 mode <= PHY_INTERFACE_MODE_RGMII_TXID; 1330 }; 1331 1332 /** 1333 * phy_interface_mode_is_8023z() - does the PHY interface mode use 802.3z 1334 * negotiation 1335 * @mode: one of &enum phy_interface_t 1336 * 1337 * Returns true if the PHY interface mode uses the 16-bit negotiation 1338 * word as defined in 802.3z. (See 802.3-2015 37.2.1 Config_Reg encoding) 1339 */ 1340 static inline bool phy_interface_mode_is_8023z(phy_interface_t mode) 1341 { 1342 return mode == PHY_INTERFACE_MODE_1000BASEX || 1343 mode == PHY_INTERFACE_MODE_2500BASEX; 1344 } 1345 1346 /** 1347 * phy_interface_is_rgmii - Convenience function for testing if a PHY interface 1348 * is RGMII (all variants) 1349 * @phydev: the phy_device struct 1350 */ 1351 static inline bool phy_interface_is_rgmii(struct phy_device *phydev) 1352 { 1353 return phy_interface_mode_is_rgmii(phydev->interface); 1354 }; 1355 1356 /** 1357 * phy_is_pseudo_fixed_link - Convenience function for testing if this 1358 * PHY is the CPU port facing side of an Ethernet switch, or similar. 1359 * @phydev: the phy_device struct 1360 */ 1361 static inline bool phy_is_pseudo_fixed_link(struct phy_device *phydev) 1362 { 1363 return phydev->is_pseudo_fixed_link; 1364 } 1365 1366 int phy_save_page(struct phy_device *phydev); 1367 int phy_select_page(struct phy_device *phydev, int page); 1368 int phy_restore_page(struct phy_device *phydev, int oldpage, int ret); 1369 int phy_read_paged(struct phy_device *phydev, int page, u32 regnum); 1370 int phy_write_paged(struct phy_device *phydev, int page, u32 regnum, u16 val); 1371 int phy_modify_paged_changed(struct phy_device *phydev, int page, u32 regnum, 1372 u16 mask, u16 set); 1373 int phy_modify_paged(struct phy_device *phydev, int page, u32 regnum, 1374 u16 mask, u16 set); 1375 1376 struct phy_device *phy_device_create(struct mii_bus *bus, int addr, u32 phy_id, 1377 bool is_c45, 1378 struct phy_c45_device_ids *c45_ids); 1379 #if IS_ENABLED(CONFIG_PHYLIB) 1380 struct phy_device *get_phy_device(struct mii_bus *bus, int addr, bool is_c45); 1381 int phy_device_register(struct phy_device *phy); 1382 void phy_device_free(struct phy_device *phydev); 1383 #else 1384 static inline 1385 struct phy_device *get_phy_device(struct mii_bus *bus, int addr, bool is_c45) 1386 { 1387 return NULL; 1388 } 1389 1390 static inline int phy_device_register(struct phy_device *phy) 1391 { 1392 return 0; 1393 } 1394 1395 static inline void phy_device_free(struct phy_device *phydev) { } 1396 #endif /* CONFIG_PHYLIB */ 1397 void phy_device_remove(struct phy_device *phydev); 1398 int phy_init_hw(struct phy_device *phydev); 1399 int phy_suspend(struct phy_device *phydev); 1400 int phy_resume(struct phy_device *phydev); 1401 int __phy_resume(struct phy_device *phydev); 1402 int phy_loopback(struct phy_device *phydev, bool enable); 1403 void phy_sfp_attach(void *upstream, struct sfp_bus *bus); 1404 void phy_sfp_detach(void *upstream, struct sfp_bus *bus); 1405 int phy_sfp_probe(struct phy_device *phydev, 1406 const struct sfp_upstream_ops *ops); 1407 struct phy_device *phy_attach(struct net_device *dev, const char *bus_id, 1408 phy_interface_t interface); 1409 struct phy_device *phy_find_first(struct mii_bus *bus); 1410 int phy_attach_direct(struct net_device *dev, struct phy_device *phydev, 1411 u32 flags, phy_interface_t interface); 1412 int phy_connect_direct(struct net_device *dev, struct phy_device *phydev, 1413 void (*handler)(struct net_device *), 1414 phy_interface_t interface); 1415 struct phy_device *phy_connect(struct net_device *dev, const char *bus_id, 1416 void (*handler)(struct net_device *), 1417 phy_interface_t interface); 1418 void phy_disconnect(struct phy_device *phydev); 1419 void phy_detach(struct phy_device *phydev); 1420 void phy_start(struct phy_device *phydev); 1421 void phy_stop(struct phy_device *phydev); 1422 int phy_config_aneg(struct phy_device *phydev); 1423 int phy_start_aneg(struct phy_device *phydev); 1424 int phy_aneg_done(struct phy_device *phydev); 1425 int phy_speed_down(struct phy_device *phydev, bool sync); 1426 int phy_speed_up(struct phy_device *phydev); 1427 1428 int phy_restart_aneg(struct phy_device *phydev); 1429 int phy_reset_after_clk_enable(struct phy_device *phydev); 1430 1431 #if IS_ENABLED(CONFIG_PHYLIB) 1432 int phy_start_cable_test(struct phy_device *phydev, 1433 struct netlink_ext_ack *extack); 1434 int phy_start_cable_test_tdr(struct phy_device *phydev, 1435 struct netlink_ext_ack *extack, 1436 const struct phy_tdr_config *config); 1437 #else 1438 static inline 1439 int phy_start_cable_test(struct phy_device *phydev, 1440 struct netlink_ext_ack *extack) 1441 { 1442 NL_SET_ERR_MSG(extack, "Kernel not compiled with PHYLIB support"); 1443 return -EOPNOTSUPP; 1444 } 1445 static inline 1446 int phy_start_cable_test_tdr(struct phy_device *phydev, 1447 struct netlink_ext_ack *extack, 1448 const struct phy_tdr_config *config) 1449 { 1450 NL_SET_ERR_MSG(extack, "Kernel not compiled with PHYLIB support"); 1451 return -EOPNOTSUPP; 1452 } 1453 #endif 1454 1455 int phy_cable_test_result(struct phy_device *phydev, u8 pair, u16 result); 1456 int phy_cable_test_fault_length(struct phy_device *phydev, u8 pair, 1457 u16 cm); 1458 1459 static inline void phy_device_reset(struct phy_device *phydev, int value) 1460 { 1461 mdio_device_reset(&phydev->mdio, value); 1462 } 1463 1464 #define phydev_err(_phydev, format, args...) \ 1465 dev_err(&_phydev->mdio.dev, format, ##args) 1466 1467 #define phydev_info(_phydev, format, args...) \ 1468 dev_info(&_phydev->mdio.dev, format, ##args) 1469 1470 #define phydev_warn(_phydev, format, args...) \ 1471 dev_warn(&_phydev->mdio.dev, format, ##args) 1472 1473 #define phydev_dbg(_phydev, format, args...) \ 1474 dev_dbg(&_phydev->mdio.dev, format, ##args) 1475 1476 static inline const char *phydev_name(const struct phy_device *phydev) 1477 { 1478 return dev_name(&phydev->mdio.dev); 1479 } 1480 1481 static inline void phy_lock_mdio_bus(struct phy_device *phydev) 1482 { 1483 mutex_lock(&phydev->mdio.bus->mdio_lock); 1484 } 1485 1486 static inline void phy_unlock_mdio_bus(struct phy_device *phydev) 1487 { 1488 mutex_unlock(&phydev->mdio.bus->mdio_lock); 1489 } 1490 1491 void phy_attached_print(struct phy_device *phydev, const char *fmt, ...) 1492 __printf(2, 3); 1493 char *phy_attached_info_irq(struct phy_device *phydev) 1494 __malloc; 1495 void phy_attached_info(struct phy_device *phydev); 1496 1497 /* Clause 22 PHY */ 1498 int genphy_read_abilities(struct phy_device *phydev); 1499 int genphy_setup_forced(struct phy_device *phydev); 1500 int genphy_restart_aneg(struct phy_device *phydev); 1501 int genphy_check_and_restart_aneg(struct phy_device *phydev, bool restart); 1502 int genphy_config_eee_advert(struct phy_device *phydev); 1503 int __genphy_config_aneg(struct phy_device *phydev, bool changed); 1504 int genphy_aneg_done(struct phy_device *phydev); 1505 int genphy_update_link(struct phy_device *phydev); 1506 int genphy_read_lpa(struct phy_device *phydev); 1507 int genphy_read_status_fixed(struct phy_device *phydev); 1508 int genphy_read_status(struct phy_device *phydev); 1509 int genphy_suspend(struct phy_device *phydev); 1510 int genphy_resume(struct phy_device *phydev); 1511 int genphy_loopback(struct phy_device *phydev, bool enable); 1512 int genphy_soft_reset(struct phy_device *phydev); 1513 irqreturn_t genphy_handle_interrupt_no_ack(struct phy_device *phydev); 1514 1515 static inline int genphy_config_aneg(struct phy_device *phydev) 1516 { 1517 return __genphy_config_aneg(phydev, false); 1518 } 1519 1520 static inline int genphy_no_config_intr(struct phy_device *phydev) 1521 { 1522 return 0; 1523 } 1524 int genphy_read_mmd_unsupported(struct phy_device *phdev, int devad, 1525 u16 regnum); 1526 int genphy_write_mmd_unsupported(struct phy_device *phdev, int devnum, 1527 u16 regnum, u16 val); 1528 1529 /* Clause 37 */ 1530 int genphy_c37_config_aneg(struct phy_device *phydev); 1531 int genphy_c37_read_status(struct phy_device *phydev); 1532 1533 /* Clause 45 PHY */ 1534 int genphy_c45_restart_aneg(struct phy_device *phydev); 1535 int genphy_c45_check_and_restart_aneg(struct phy_device *phydev, bool restart); 1536 int genphy_c45_aneg_done(struct phy_device *phydev); 1537 int genphy_c45_read_link(struct phy_device *phydev); 1538 int genphy_c45_read_lpa(struct phy_device *phydev); 1539 int genphy_c45_read_pma(struct phy_device *phydev); 1540 int genphy_c45_pma_setup_forced(struct phy_device *phydev); 1541 int genphy_c45_an_config_aneg(struct phy_device *phydev); 1542 int genphy_c45_an_disable_aneg(struct phy_device *phydev); 1543 int genphy_c45_read_mdix(struct phy_device *phydev); 1544 int genphy_c45_pma_read_abilities(struct phy_device *phydev); 1545 int genphy_c45_read_status(struct phy_device *phydev); 1546 int genphy_c45_config_aneg(struct phy_device *phydev); 1547 int genphy_c45_loopback(struct phy_device *phydev, bool enable); 1548 int genphy_c45_pma_resume(struct phy_device *phydev); 1549 int genphy_c45_pma_suspend(struct phy_device *phydev); 1550 1551 /* Generic C45 PHY driver */ 1552 extern struct phy_driver genphy_c45_driver; 1553 1554 /* The gen10g_* functions are the old Clause 45 stub */ 1555 int gen10g_config_aneg(struct phy_device *phydev); 1556 1557 static inline int phy_read_status(struct phy_device *phydev) 1558 { 1559 if (!phydev->drv) 1560 return -EIO; 1561 1562 if (phydev->drv->read_status) 1563 return phydev->drv->read_status(phydev); 1564 else 1565 return genphy_read_status(phydev); 1566 } 1567 1568 void phy_driver_unregister(struct phy_driver *drv); 1569 void phy_drivers_unregister(struct phy_driver *drv, int n); 1570 int phy_driver_register(struct phy_driver *new_driver, struct module *owner); 1571 int phy_drivers_register(struct phy_driver *new_driver, int n, 1572 struct module *owner); 1573 void phy_error(struct phy_device *phydev); 1574 void phy_state_machine(struct work_struct *work); 1575 void phy_queue_state_machine(struct phy_device *phydev, unsigned long jiffies); 1576 void phy_trigger_machine(struct phy_device *phydev); 1577 void phy_mac_interrupt(struct phy_device *phydev); 1578 void phy_start_machine(struct phy_device *phydev); 1579 void phy_stop_machine(struct phy_device *phydev); 1580 void phy_ethtool_ksettings_get(struct phy_device *phydev, 1581 struct ethtool_link_ksettings *cmd); 1582 int phy_ethtool_ksettings_set(struct phy_device *phydev, 1583 const struct ethtool_link_ksettings *cmd); 1584 int phy_mii_ioctl(struct phy_device *phydev, struct ifreq *ifr, int cmd); 1585 int phy_do_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd); 1586 int phy_do_ioctl_running(struct net_device *dev, struct ifreq *ifr, int cmd); 1587 int phy_disable_interrupts(struct phy_device *phydev); 1588 void phy_request_interrupt(struct phy_device *phydev); 1589 void phy_free_interrupt(struct phy_device *phydev); 1590 void phy_print_status(struct phy_device *phydev); 1591 int phy_set_max_speed(struct phy_device *phydev, u32 max_speed); 1592 void phy_remove_link_mode(struct phy_device *phydev, u32 link_mode); 1593 void phy_advertise_supported(struct phy_device *phydev); 1594 void phy_support_sym_pause(struct phy_device *phydev); 1595 void phy_support_asym_pause(struct phy_device *phydev); 1596 void phy_set_sym_pause(struct phy_device *phydev, bool rx, bool tx, 1597 bool autoneg); 1598 void phy_set_asym_pause(struct phy_device *phydev, bool rx, bool tx); 1599 bool phy_validate_pause(struct phy_device *phydev, 1600 struct ethtool_pauseparam *pp); 1601 void phy_get_pause(struct phy_device *phydev, bool *tx_pause, bool *rx_pause); 1602 1603 s32 phy_get_internal_delay(struct phy_device *phydev, struct device *dev, 1604 const int *delay_values, int size, bool is_rx); 1605 1606 void phy_resolve_pause(unsigned long *local_adv, unsigned long *partner_adv, 1607 bool *tx_pause, bool *rx_pause); 1608 1609 int phy_register_fixup(const char *bus_id, u32 phy_uid, u32 phy_uid_mask, 1610 int (*run)(struct phy_device *)); 1611 int phy_register_fixup_for_id(const char *bus_id, 1612 int (*run)(struct phy_device *)); 1613 int phy_register_fixup_for_uid(u32 phy_uid, u32 phy_uid_mask, 1614 int (*run)(struct phy_device *)); 1615 1616 int phy_unregister_fixup(const char *bus_id, u32 phy_uid, u32 phy_uid_mask); 1617 int phy_unregister_fixup_for_id(const char *bus_id); 1618 int phy_unregister_fixup_for_uid(u32 phy_uid, u32 phy_uid_mask); 1619 1620 int phy_init_eee(struct phy_device *phydev, bool clk_stop_enable); 1621 int phy_get_eee_err(struct phy_device *phydev); 1622 int phy_ethtool_set_eee(struct phy_device *phydev, struct ethtool_eee *data); 1623 int phy_ethtool_get_eee(struct phy_device *phydev, struct ethtool_eee *data); 1624 int phy_ethtool_set_wol(struct phy_device *phydev, struct ethtool_wolinfo *wol); 1625 void phy_ethtool_get_wol(struct phy_device *phydev, 1626 struct ethtool_wolinfo *wol); 1627 int phy_ethtool_get_link_ksettings(struct net_device *ndev, 1628 struct ethtool_link_ksettings *cmd); 1629 int phy_ethtool_set_link_ksettings(struct net_device *ndev, 1630 const struct ethtool_link_ksettings *cmd); 1631 int phy_ethtool_nway_reset(struct net_device *ndev); 1632 int phy_package_join(struct phy_device *phydev, int addr, size_t priv_size); 1633 void phy_package_leave(struct phy_device *phydev); 1634 int devm_phy_package_join(struct device *dev, struct phy_device *phydev, 1635 int addr, size_t priv_size); 1636 1637 #if IS_ENABLED(CONFIG_PHYLIB) 1638 int __init mdio_bus_init(void); 1639 void mdio_bus_exit(void); 1640 #endif 1641 1642 int phy_ethtool_get_strings(struct phy_device *phydev, u8 *data); 1643 int phy_ethtool_get_sset_count(struct phy_device *phydev); 1644 int phy_ethtool_get_stats(struct phy_device *phydev, 1645 struct ethtool_stats *stats, u64 *data); 1646 1647 static inline int phy_package_read(struct phy_device *phydev, u32 regnum) 1648 { 1649 struct phy_package_shared *shared = phydev->shared; 1650 1651 if (!shared) 1652 return -EIO; 1653 1654 return mdiobus_read(phydev->mdio.bus, shared->addr, regnum); 1655 } 1656 1657 static inline int __phy_package_read(struct phy_device *phydev, u32 regnum) 1658 { 1659 struct phy_package_shared *shared = phydev->shared; 1660 1661 if (!shared) 1662 return -EIO; 1663 1664 return __mdiobus_read(phydev->mdio.bus, shared->addr, regnum); 1665 } 1666 1667 static inline int phy_package_write(struct phy_device *phydev, 1668 u32 regnum, u16 val) 1669 { 1670 struct phy_package_shared *shared = phydev->shared; 1671 1672 if (!shared) 1673 return -EIO; 1674 1675 return mdiobus_write(phydev->mdio.bus, shared->addr, regnum, val); 1676 } 1677 1678 static inline int __phy_package_write(struct phy_device *phydev, 1679 u32 regnum, u16 val) 1680 { 1681 struct phy_package_shared *shared = phydev->shared; 1682 1683 if (!shared) 1684 return -EIO; 1685 1686 return __mdiobus_write(phydev->mdio.bus, shared->addr, regnum, val); 1687 } 1688 1689 static inline bool __phy_package_set_once(struct phy_device *phydev, 1690 unsigned int b) 1691 { 1692 struct phy_package_shared *shared = phydev->shared; 1693 1694 if (!shared) 1695 return false; 1696 1697 return !test_and_set_bit(b, &shared->flags); 1698 } 1699 1700 static inline bool phy_package_init_once(struct phy_device *phydev) 1701 { 1702 return __phy_package_set_once(phydev, PHY_SHARED_F_INIT_DONE); 1703 } 1704 1705 static inline bool phy_package_probe_once(struct phy_device *phydev) 1706 { 1707 return __phy_package_set_once(phydev, PHY_SHARED_F_PROBE_DONE); 1708 } 1709 1710 extern struct bus_type mdio_bus_type; 1711 1712 struct mdio_board_info { 1713 const char *bus_id; 1714 char modalias[MDIO_NAME_SIZE]; 1715 int mdio_addr; 1716 const void *platform_data; 1717 }; 1718 1719 #if IS_ENABLED(CONFIG_MDIO_DEVICE) 1720 int mdiobus_register_board_info(const struct mdio_board_info *info, 1721 unsigned int n); 1722 #else 1723 static inline int mdiobus_register_board_info(const struct mdio_board_info *i, 1724 unsigned int n) 1725 { 1726 return 0; 1727 } 1728 #endif 1729 1730 1731 /** 1732 * phy_module_driver() - Helper macro for registering PHY drivers 1733 * @__phy_drivers: array of PHY drivers to register 1734 * @__count: Numbers of members in array 1735 * 1736 * Helper macro for PHY drivers which do not do anything special in module 1737 * init/exit. Each module may only use this macro once, and calling it 1738 * replaces module_init() and module_exit(). 1739 */ 1740 #define phy_module_driver(__phy_drivers, __count) \ 1741 static int __init phy_module_init(void) \ 1742 { \ 1743 return phy_drivers_register(__phy_drivers, __count, THIS_MODULE); \ 1744 } \ 1745 module_init(phy_module_init); \ 1746 static void __exit phy_module_exit(void) \ 1747 { \ 1748 phy_drivers_unregister(__phy_drivers, __count); \ 1749 } \ 1750 module_exit(phy_module_exit) 1751 1752 #define module_phy_driver(__phy_drivers) \ 1753 phy_module_driver(__phy_drivers, ARRAY_SIZE(__phy_drivers)) 1754 1755 bool phy_driver_is_genphy(struct phy_device *phydev); 1756 bool phy_driver_is_genphy_10g(struct phy_device *phydev); 1757 1758 #endif /* __PHY_H */ 1759