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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/compiler.h> | |
20 | #include <linux/spinlock.h> | |
21 | #include <linux/ethtool.h> | |
22 | #include <linux/linkmode.h> | |
23 | #include <linux/mdio.h> | |
24 | #include <linux/mii.h> | |
25 | #include <linux/module.h> | |
26 | #include <linux/timer.h> | |
27 | #include <linux/workqueue.h> | |
28 | #include <linux/mod_devicetable.h> | |
29 | ||
30 | #include <linux/atomic.h> | |
31 | ||
32 | #define PHY_DEFAULT_FEATURES (SUPPORTED_Autoneg | \ | |
33 | SUPPORTED_TP | \ | |
34 | SUPPORTED_MII) | |
35 | ||
36 | #define PHY_10BT_FEATURES (SUPPORTED_10baseT_Half | \ | |
37 | SUPPORTED_10baseT_Full) | |
38 | ||
39 | #define PHY_100BT_FEATURES (SUPPORTED_100baseT_Half | \ | |
40 | SUPPORTED_100baseT_Full) | |
41 | ||
42 | #define PHY_1000BT_FEATURES (SUPPORTED_1000baseT_Half | \ | |
43 | SUPPORTED_1000baseT_Full) | |
44 | ||
45 | extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_basic_features) __ro_after_init; | |
46 | extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_basic_t1_features) __ro_after_init; | |
47 | extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_gbit_features) __ro_after_init; | |
48 | extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_gbit_fibre_features) __ro_after_init; | |
49 | extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_gbit_all_ports_features) __ro_after_init; | |
50 | extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_10gbit_features) __ro_after_init; | |
51 | extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_10gbit_full_features) __ro_after_init; | |
52 | ||
53 | #define PHY_BASIC_FEATURES ((unsigned long *)&phy_basic_features) | |
54 | #define PHY_BASIC_T1_FEATURES ((unsigned long *)&phy_basic_t1_features) | |
55 | #define PHY_GBIT_FEATURES ((unsigned long *)&phy_gbit_features) | |
56 | #define PHY_GBIT_FIBRE_FEATURES ((unsigned long *)&phy_gbit_fibre_features) | |
57 | #define PHY_GBIT_ALL_PORTS_FEATURES ((unsigned long *)&phy_gbit_all_ports_features) | |
58 | #define PHY_10GBIT_FEATURES ((unsigned long *)&phy_10gbit_features) | |
59 | #define PHY_10GBIT_FULL_FEATURES ((unsigned long *)&phy_10gbit_full_features) | |
60 | ||
61 | /* | |
62 | * Set phydev->irq to PHY_POLL if interrupts are not supported, | |
63 | * or not desired for this PHY. Set to PHY_IGNORE_INTERRUPT if | |
64 | * the attached driver handles the interrupt | |
65 | */ | |
66 | #define PHY_POLL -1 | |
67 | #define PHY_IGNORE_INTERRUPT -2 | |
68 | ||
69 | #define PHY_IS_INTERNAL 0x00000001 | |
70 | #define PHY_RST_AFTER_CLK_EN 0x00000002 | |
71 | #define MDIO_DEVICE_IS_PHY 0x80000000 | |
72 | ||
73 | /* Interface Mode definitions */ | |
74 | typedef enum { | |
75 | PHY_INTERFACE_MODE_NA, | |
76 | PHY_INTERFACE_MODE_INTERNAL, | |
77 | PHY_INTERFACE_MODE_MII, | |
78 | PHY_INTERFACE_MODE_GMII, | |
79 | PHY_INTERFACE_MODE_SGMII, | |
80 | PHY_INTERFACE_MODE_TBI, | |
81 | PHY_INTERFACE_MODE_REVMII, | |
82 | PHY_INTERFACE_MODE_RMII, | |
83 | PHY_INTERFACE_MODE_RGMII, | |
84 | PHY_INTERFACE_MODE_RGMII_ID, | |
85 | PHY_INTERFACE_MODE_RGMII_RXID, | |
86 | PHY_INTERFACE_MODE_RGMII_TXID, | |
87 | PHY_INTERFACE_MODE_RTBI, | |
88 | PHY_INTERFACE_MODE_SMII, | |
89 | PHY_INTERFACE_MODE_XGMII, | |
90 | PHY_INTERFACE_MODE_MOCA, | |
91 | PHY_INTERFACE_MODE_QSGMII, | |
92 | PHY_INTERFACE_MODE_TRGMII, | |
93 | PHY_INTERFACE_MODE_1000BASEX, | |
94 | PHY_INTERFACE_MODE_2500BASEX, | |
95 | PHY_INTERFACE_MODE_RXAUI, | |
96 | PHY_INTERFACE_MODE_XAUI, | |
97 | /* 10GBASE-KR, XFI, SFI - single lane 10G Serdes */ | |
98 | PHY_INTERFACE_MODE_10GKR, | |
99 | PHY_INTERFACE_MODE_MAX, | |
100 | } phy_interface_t; | |
101 | ||
102 | /** | |
103 | * phy_supported_speeds - return all speeds currently supported by a phy device | |
104 | * @phy: The phy device to return supported speeds of. | |
105 | * @speeds: buffer to store supported speeds in. | |
106 | * @size: size of speeds buffer. | |
107 | * | |
108 | * Description: Returns the number of supported speeds, and | |
109 | * fills the speeds * buffer with the supported speeds. If speeds buffer is | |
110 | * too small to contain * all currently supported speeds, will return as | |
111 | * many speeds as can fit. | |
112 | */ | |
113 | unsigned int phy_supported_speeds(struct phy_device *phy, | |
114 | unsigned int *speeds, | |
115 | unsigned int size); | |
116 | ||
117 | /** | |
118 | * It maps 'enum phy_interface_t' found in include/linux/phy.h | |
119 | * into the device tree binding of 'phy-mode', so that Ethernet | |
120 | * device driver can get phy interface from device tree. | |
121 | */ | |
122 | static inline const char *phy_modes(phy_interface_t interface) | |
123 | { | |
124 | switch (interface) { | |
125 | case PHY_INTERFACE_MODE_NA: | |
126 | return ""; | |
127 | case PHY_INTERFACE_MODE_INTERNAL: | |
128 | return "internal"; | |
129 | case PHY_INTERFACE_MODE_MII: | |
130 | return "mii"; | |
131 | case PHY_INTERFACE_MODE_GMII: | |
132 | return "gmii"; | |
133 | case PHY_INTERFACE_MODE_SGMII: | |
134 | return "sgmii"; | |
135 | case PHY_INTERFACE_MODE_TBI: | |
136 | return "tbi"; | |
137 | case PHY_INTERFACE_MODE_REVMII: | |
138 | return "rev-mii"; | |
139 | case PHY_INTERFACE_MODE_RMII: | |
140 | return "rmii"; | |
141 | case PHY_INTERFACE_MODE_RGMII: | |
142 | return "rgmii"; | |
143 | case PHY_INTERFACE_MODE_RGMII_ID: | |
144 | return "rgmii-id"; | |
145 | case PHY_INTERFACE_MODE_RGMII_RXID: | |
146 | return "rgmii-rxid"; | |
147 | case PHY_INTERFACE_MODE_RGMII_TXID: | |
148 | return "rgmii-txid"; | |
149 | case PHY_INTERFACE_MODE_RTBI: | |
150 | return "rtbi"; | |
151 | case PHY_INTERFACE_MODE_SMII: | |
152 | return "smii"; | |
153 | case PHY_INTERFACE_MODE_XGMII: | |
154 | return "xgmii"; | |
155 | case PHY_INTERFACE_MODE_MOCA: | |
156 | return "moca"; | |
157 | case PHY_INTERFACE_MODE_QSGMII: | |
158 | return "qsgmii"; | |
159 | case PHY_INTERFACE_MODE_TRGMII: | |
160 | return "trgmii"; | |
161 | case PHY_INTERFACE_MODE_1000BASEX: | |
162 | return "1000base-x"; | |
163 | case PHY_INTERFACE_MODE_2500BASEX: | |
164 | return "2500base-x"; | |
165 | case PHY_INTERFACE_MODE_RXAUI: | |
166 | return "rxaui"; | |
167 | case PHY_INTERFACE_MODE_XAUI: | |
168 | return "xaui"; | |
169 | case PHY_INTERFACE_MODE_10GKR: | |
170 | return "10gbase-kr"; | |
171 | default: | |
172 | return "unknown"; | |
173 | } | |
174 | } | |
175 | ||
176 | ||
177 | #define PHY_INIT_TIMEOUT 100000 | |
178 | #define PHY_STATE_TIME 1 | |
179 | #define PHY_FORCE_TIMEOUT 10 | |
180 | ||
181 | #define PHY_MAX_ADDR 32 | |
182 | ||
183 | /* Used when trying to connect to a specific phy (mii bus id:phy device id) */ | |
184 | #define PHY_ID_FMT "%s:%02x" | |
185 | ||
186 | #define MII_BUS_ID_SIZE 61 | |
187 | ||
188 | /* Or MII_ADDR_C45 into regnum for read/write on mii_bus to enable the 21 bit | |
189 | IEEE 802.3ae clause 45 addressing mode used by 10GIGE phy chips. */ | |
190 | #define MII_ADDR_C45 (1<<30) | |
191 | ||
192 | struct device; | |
193 | struct phylink; | |
194 | struct sk_buff; | |
195 | ||
196 | /* | |
197 | * The Bus class for PHYs. Devices which provide access to | |
198 | * PHYs should register using this structure | |
199 | */ | |
200 | struct mii_bus { | |
201 | struct module *owner; | |
202 | const char *name; | |
203 | char id[MII_BUS_ID_SIZE]; | |
204 | void *priv; | |
205 | int (*read)(struct mii_bus *bus, int addr, int regnum); | |
206 | int (*write)(struct mii_bus *bus, int addr, int regnum, u16 val); | |
207 | int (*reset)(struct mii_bus *bus); | |
208 | ||
209 | /* | |
210 | * A lock to ensure that only one thing can read/write | |
211 | * the MDIO bus at a time | |
212 | */ | |
213 | struct mutex mdio_lock; | |
214 | ||
215 | struct device *parent; | |
216 | enum { | |
217 | MDIOBUS_ALLOCATED = 1, | |
218 | MDIOBUS_REGISTERED, | |
219 | MDIOBUS_UNREGISTERED, | |
220 | MDIOBUS_RELEASED, | |
221 | } state; | |
222 | struct device dev; | |
223 | ||
224 | /* list of all PHYs on bus */ | |
225 | struct mdio_device *mdio_map[PHY_MAX_ADDR]; | |
226 | ||
227 | /* PHY addresses to be ignored when probing */ | |
228 | u32 phy_mask; | |
229 | ||
230 | /* PHY addresses to ignore the TA/read failure */ | |
231 | u32 phy_ignore_ta_mask; | |
232 | ||
233 | /* | |
234 | * An array of interrupts, each PHY's interrupt at the index | |
235 | * matching its address | |
236 | */ | |
237 | int irq[PHY_MAX_ADDR]; | |
238 | ||
239 | /* GPIO reset pulse width in microseconds */ | |
240 | int reset_delay_us; | |
241 | /* RESET GPIO descriptor pointer */ | |
242 | struct gpio_desc *reset_gpiod; | |
243 | }; | |
244 | #define to_mii_bus(d) container_of(d, struct mii_bus, dev) | |
245 | ||
246 | struct mii_bus *mdiobus_alloc_size(size_t); | |
247 | static inline struct mii_bus *mdiobus_alloc(void) | |
248 | { | |
249 | return mdiobus_alloc_size(0); | |
250 | } | |
251 | ||
252 | int __mdiobus_register(struct mii_bus *bus, struct module *owner); | |
253 | #define mdiobus_register(bus) __mdiobus_register(bus, THIS_MODULE) | |
254 | void mdiobus_unregister(struct mii_bus *bus); | |
255 | void mdiobus_free(struct mii_bus *bus); | |
256 | struct mii_bus *devm_mdiobus_alloc_size(struct device *dev, int sizeof_priv); | |
257 | static inline struct mii_bus *devm_mdiobus_alloc(struct device *dev) | |
258 | { | |
259 | return devm_mdiobus_alloc_size(dev, 0); | |
260 | } | |
261 | ||
262 | void devm_mdiobus_free(struct device *dev, struct mii_bus *bus); | |
263 | struct phy_device *mdiobus_scan(struct mii_bus *bus, int addr); | |
264 | ||
265 | #define PHY_INTERRUPT_DISABLED false | |
266 | #define PHY_INTERRUPT_ENABLED true | |
267 | ||
268 | /* PHY state machine states: | |
269 | * | |
270 | * DOWN: PHY device and driver are not ready for anything. probe | |
271 | * should be called if and only if the PHY is in this state, | |
272 | * given that the PHY device exists. | |
273 | * - PHY driver probe function will set the state to READY | |
274 | * | |
275 | * READY: PHY is ready to send and receive packets, but the | |
276 | * controller is not. By default, PHYs which do not implement | |
277 | * probe will be set to this state by phy_probe(). | |
278 | * - start will set the state to UP | |
279 | * | |
280 | * UP: The PHY and attached device are ready to do work. | |
281 | * Interrupts should be started here. | |
282 | * - timer moves to NOLINK or RUNNING | |
283 | * | |
284 | * NOLINK: PHY is up, but not currently plugged in. | |
285 | * - irq or timer will set RUNNING if link comes back | |
286 | * - phy_stop moves to HALTED | |
287 | * | |
288 | * FORCING: PHY is being configured with forced settings | |
289 | * - if link is up, move to RUNNING | |
290 | * - If link is down, we drop to the next highest setting, and | |
291 | * retry (FORCING) after a timeout | |
292 | * - phy_stop moves to HALTED | |
293 | * | |
294 | * RUNNING: PHY is currently up, running, and possibly sending | |
295 | * and/or receiving packets | |
296 | * - irq or timer will set NOLINK if link goes down | |
297 | * - phy_stop moves to HALTED | |
298 | * | |
299 | * CHANGELINK: PHY experienced a change in link state | |
300 | * - timer moves to RUNNING if link | |
301 | * - timer moves to NOLINK if the link is down | |
302 | * - phy_stop moves to HALTED | |
303 | * | |
304 | * HALTED: PHY is up, but no polling or interrupts are done. Or | |
305 | * PHY is in an error state. | |
306 | * | |
307 | * - phy_start moves to RESUMING | |
308 | * | |
309 | * RESUMING: PHY was halted, but now wants to run again. | |
310 | * - If we are forcing, or aneg is done, timer moves to RUNNING | |
311 | * - If aneg is not done, timer moves to AN | |
312 | * - phy_stop moves to HALTED | |
313 | */ | |
314 | enum phy_state { | |
315 | PHY_DOWN = 0, | |
316 | PHY_READY, | |
317 | PHY_UP, | |
318 | PHY_RUNNING, | |
319 | PHY_NOLINK, | |
320 | PHY_FORCING, | |
321 | PHY_CHANGELINK, | |
322 | PHY_HALTED, | |
323 | PHY_RESUMING | |
324 | }; | |
325 | ||
326 | /** | |
327 | * struct phy_c45_device_ids - 802.3-c45 Device Identifiers | |
328 | * @devices_in_package: Bit vector of devices present. | |
329 | * @device_ids: The device identifer for each present device. | |
330 | */ | |
331 | struct phy_c45_device_ids { | |
332 | u32 devices_in_package; | |
333 | u32 device_ids[8]; | |
334 | }; | |
335 | ||
336 | /* phy_device: An instance of a PHY | |
337 | * | |
338 | * drv: Pointer to the driver for this PHY instance | |
339 | * phy_id: UID for this device found during discovery | |
340 | * c45_ids: 802.3-c45 Device Identifers if is_c45. | |
341 | * is_c45: Set to true if this phy uses clause 45 addressing. | |
342 | * is_internal: Set to true if this phy is internal to a MAC. | |
343 | * is_pseudo_fixed_link: Set to true if this phy is an Ethernet switch, etc. | |
344 | * has_fixups: Set to true if this phy has fixups/quirks. | |
345 | * suspended: Set to true if this phy has been suspended successfully. | |
346 | * sysfs_links: Internal boolean tracking sysfs symbolic links setup/removal. | |
347 | * loopback_enabled: Set true if this phy has been loopbacked successfully. | |
348 | * state: state of the PHY for management purposes | |
349 | * dev_flags: Device-specific flags used by the PHY driver. | |
350 | * link_timeout: The number of timer firings to wait before the | |
351 | * giving up on the current attempt at acquiring a link | |
352 | * irq: IRQ number of the PHY's interrupt (-1 if none) | |
353 | * phy_timer: The timer for handling the state machine | |
354 | * attached_dev: The attached enet driver's device instance ptr | |
355 | * adjust_link: Callback for the enet controller to respond to | |
356 | * changes in the link state. | |
357 | * | |
358 | * speed, duplex, pause, supported, advertising, lp_advertising, | |
359 | * and autoneg are used like in mii_if_info | |
360 | * | |
361 | * interrupts currently only supports enabled or disabled, | |
362 | * but could be changed in the future to support enabling | |
363 | * and disabling specific interrupts | |
364 | * | |
365 | * Contains some infrastructure for polling and interrupt | |
366 | * handling, as well as handling shifts in PHY hardware state | |
367 | */ | |
368 | struct phy_device { | |
369 | struct mdio_device mdio; | |
370 | ||
371 | /* Information about the PHY type */ | |
372 | /* And management functions */ | |
373 | struct phy_driver *drv; | |
374 | ||
375 | u32 phy_id; | |
376 | ||
377 | struct phy_c45_device_ids c45_ids; | |
378 | unsigned is_c45:1; | |
379 | unsigned is_internal:1; | |
380 | unsigned is_pseudo_fixed_link:1; | |
381 | unsigned has_fixups:1; | |
382 | unsigned suspended:1; | |
383 | unsigned sysfs_links:1; | |
384 | unsigned loopback_enabled:1; | |
385 | ||
386 | unsigned autoneg:1; | |
387 | /* The most recently read link state */ | |
388 | unsigned link:1; | |
389 | ||
390 | /* Interrupts are enabled */ | |
391 | unsigned interrupts:1; | |
392 | ||
393 | enum phy_state state; | |
394 | ||
395 | u32 dev_flags; | |
396 | ||
397 | phy_interface_t interface; | |
398 | ||
399 | /* | |
400 | * forced speed & duplex (no autoneg) | |
401 | * partner speed & duplex & pause (autoneg) | |
402 | */ | |
403 | int speed; | |
404 | int duplex; | |
405 | int pause; | |
406 | int asym_pause; | |
407 | ||
408 | /* Union of PHY and Attached devices' supported modes */ | |
409 | /* See mii.h for more info */ | |
410 | u32 supported; | |
411 | u32 advertising; | |
412 | u32 lp_advertising; | |
413 | ||
414 | /* Energy efficient ethernet modes which should be prohibited */ | |
415 | u32 eee_broken_modes; | |
416 | ||
417 | int link_timeout; | |
418 | ||
419 | #ifdef CONFIG_LED_TRIGGER_PHY | |
420 | struct phy_led_trigger *phy_led_triggers; | |
421 | unsigned int phy_num_led_triggers; | |
422 | struct phy_led_trigger *last_triggered; | |
423 | ||
424 | struct phy_led_trigger *led_link_trigger; | |
425 | #endif | |
426 | ||
427 | /* | |
428 | * Interrupt number for this PHY | |
429 | * -1 means no interrupt | |
430 | */ | |
431 | int irq; | |
432 | ||
433 | /* private data pointer */ | |
434 | /* For use by PHYs to maintain extra state */ | |
435 | void *priv; | |
436 | ||
437 | /* Interrupt and Polling infrastructure */ | |
438 | struct delayed_work state_queue; | |
439 | ||
440 | struct mutex lock; | |
441 | ||
442 | struct phylink *phylink; | |
443 | struct net_device *attached_dev; | |
444 | ||
445 | u8 mdix; | |
446 | u8 mdix_ctrl; | |
447 | ||
448 | void (*phy_link_change)(struct phy_device *, bool up, bool do_carrier); | |
449 | void (*adjust_link)(struct net_device *dev); | |
450 | }; | |
451 | #define to_phy_device(d) container_of(to_mdio_device(d), \ | |
452 | struct phy_device, mdio) | |
453 | ||
454 | /* struct phy_driver: Driver structure for a particular PHY type | |
455 | * | |
456 | * driver_data: static driver data | |
457 | * phy_id: The result of reading the UID registers of this PHY | |
458 | * type, and ANDing them with the phy_id_mask. This driver | |
459 | * only works for PHYs with IDs which match this field | |
460 | * name: The friendly name of this PHY type | |
461 | * phy_id_mask: Defines the important bits of the phy_id | |
462 | * features: A list of features (speed, duplex, etc) supported | |
463 | * by this PHY | |
464 | * flags: A bitfield defining certain other features this PHY | |
465 | * supports (like interrupts) | |
466 | * | |
467 | * All functions are optional. If config_aneg or read_status | |
468 | * are not implemented, the phy core uses the genphy versions. | |
469 | * Note that none of these functions should be called from | |
470 | * interrupt time. The goal is for the bus read/write functions | |
471 | * to be able to block when the bus transaction is happening, | |
472 | * and be freed up by an interrupt (The MPC85xx has this ability, | |
473 | * though it is not currently supported in the driver). | |
474 | */ | |
475 | struct phy_driver { | |
476 | struct mdio_driver_common mdiodrv; | |
477 | u32 phy_id; | |
478 | char *name; | |
479 | u32 phy_id_mask; | |
480 | const unsigned long * const features; | |
481 | u32 flags; | |
482 | const void *driver_data; | |
483 | ||
484 | /* | |
485 | * Called to issue a PHY software reset | |
486 | */ | |
487 | int (*soft_reset)(struct phy_device *phydev); | |
488 | ||
489 | /* | |
490 | * Called to initialize the PHY, | |
491 | * including after a reset | |
492 | */ | |
493 | int (*config_init)(struct phy_device *phydev); | |
494 | ||
495 | /* | |
496 | * Called during discovery. Used to set | |
497 | * up device-specific structures, if any | |
498 | */ | |
499 | int (*probe)(struct phy_device *phydev); | |
500 | ||
501 | /* PHY Power Management */ | |
502 | int (*suspend)(struct phy_device *phydev); | |
503 | int (*resume)(struct phy_device *phydev); | |
504 | ||
505 | /* | |
506 | * Configures the advertisement and resets | |
507 | * autonegotiation if phydev->autoneg is on, | |
508 | * forces the speed to the current settings in phydev | |
509 | * if phydev->autoneg is off | |
510 | */ | |
511 | int (*config_aneg)(struct phy_device *phydev); | |
512 | ||
513 | /* Determines the auto negotiation result */ | |
514 | int (*aneg_done)(struct phy_device *phydev); | |
515 | ||
516 | /* Determines the negotiated speed and duplex */ | |
517 | int (*read_status)(struct phy_device *phydev); | |
518 | ||
519 | /* Clears any pending interrupts */ | |
520 | int (*ack_interrupt)(struct phy_device *phydev); | |
521 | ||
522 | /* Enables or disables interrupts */ | |
523 | int (*config_intr)(struct phy_device *phydev); | |
524 | ||
525 | /* | |
526 | * Checks if the PHY generated an interrupt. | |
527 | * For multi-PHY devices with shared PHY interrupt pin | |
528 | */ | |
529 | int (*did_interrupt)(struct phy_device *phydev); | |
530 | ||
531 | /* Clears up any memory if needed */ | |
532 | void (*remove)(struct phy_device *phydev); | |
533 | ||
534 | /* Returns true if this is a suitable driver for the given | |
535 | * phydev. If NULL, matching is based on phy_id and | |
536 | * phy_id_mask. | |
537 | */ | |
538 | int (*match_phy_device)(struct phy_device *phydev); | |
539 | ||
540 | /* Handles ethtool queries for hardware time stamping. */ | |
541 | int (*ts_info)(struct phy_device *phydev, struct ethtool_ts_info *ti); | |
542 | ||
543 | /* Handles SIOCSHWTSTAMP ioctl for hardware time stamping. */ | |
544 | int (*hwtstamp)(struct phy_device *phydev, struct ifreq *ifr); | |
545 | ||
546 | /* | |
547 | * Requests a Rx timestamp for 'skb'. If the skb is accepted, | |
548 | * the phy driver promises to deliver it using netif_rx() as | |
549 | * soon as a timestamp becomes available. One of the | |
550 | * PTP_CLASS_ values is passed in 'type'. The function must | |
551 | * return true if the skb is accepted for delivery. | |
552 | */ | |
553 | bool (*rxtstamp)(struct phy_device *dev, struct sk_buff *skb, int type); | |
554 | ||
555 | /* | |
556 | * Requests a Tx timestamp for 'skb'. The phy driver promises | |
557 | * to deliver it using skb_complete_tx_timestamp() as soon as a | |
558 | * timestamp becomes available. One of the PTP_CLASS_ values | |
559 | * is passed in 'type'. | |
560 | */ | |
561 | void (*txtstamp)(struct phy_device *dev, struct sk_buff *skb, int type); | |
562 | ||
563 | /* Some devices (e.g. qnap TS-119P II) require PHY register changes to | |
564 | * enable Wake on LAN, so set_wol is provided to be called in the | |
565 | * ethernet driver's set_wol function. */ | |
566 | int (*set_wol)(struct phy_device *dev, struct ethtool_wolinfo *wol); | |
567 | ||
568 | /* See set_wol, but for checking whether Wake on LAN is enabled. */ | |
569 | void (*get_wol)(struct phy_device *dev, struct ethtool_wolinfo *wol); | |
570 | ||
571 | /* | |
572 | * Called to inform a PHY device driver when the core is about to | |
573 | * change the link state. This callback is supposed to be used as | |
574 | * fixup hook for drivers that need to take action when the link | |
575 | * state changes. Drivers are by no means allowed to mess with the | |
576 | * PHY device structure in their implementations. | |
577 | */ | |
578 | void (*link_change_notify)(struct phy_device *dev); | |
579 | ||
580 | /* | |
581 | * Phy specific driver override for reading a MMD register. | |
582 | * This function is optional for PHY specific drivers. When | |
583 | * not provided, the default MMD read function will be used | |
584 | * by phy_read_mmd(), which will use either a direct read for | |
585 | * Clause 45 PHYs or an indirect read for Clause 22 PHYs. | |
586 | * devnum is the MMD device number within the PHY device, | |
587 | * regnum is the register within the selected MMD device. | |
588 | */ | |
589 | int (*read_mmd)(struct phy_device *dev, int devnum, u16 regnum); | |
590 | ||
591 | /* | |
592 | * Phy specific driver override for writing a MMD register. | |
593 | * This function is optional for PHY specific drivers. When | |
594 | * not provided, the default MMD write function will be used | |
595 | * by phy_write_mmd(), which will use either a direct write for | |
596 | * Clause 45 PHYs, or an indirect write for Clause 22 PHYs. | |
597 | * devnum is the MMD device number within the PHY device, | |
598 | * regnum is the register within the selected MMD device. | |
599 | * val is the value to be written. | |
600 | */ | |
601 | int (*write_mmd)(struct phy_device *dev, int devnum, u16 regnum, | |
602 | u16 val); | |
603 | ||
604 | int (*read_page)(struct phy_device *dev); | |
605 | int (*write_page)(struct phy_device *dev, int page); | |
606 | ||
607 | /* Get the size and type of the eeprom contained within a plug-in | |
608 | * module */ | |
609 | int (*module_info)(struct phy_device *dev, | |
610 | struct ethtool_modinfo *modinfo); | |
611 | ||
612 | /* Get the eeprom information from the plug-in module */ | |
613 | int (*module_eeprom)(struct phy_device *dev, | |
614 | struct ethtool_eeprom *ee, u8 *data); | |
615 | ||
616 | /* Get statistics from the phy using ethtool */ | |
617 | int (*get_sset_count)(struct phy_device *dev); | |
618 | void (*get_strings)(struct phy_device *dev, u8 *data); | |
619 | void (*get_stats)(struct phy_device *dev, | |
620 | struct ethtool_stats *stats, u64 *data); | |
621 | ||
622 | /* Get and Set PHY tunables */ | |
623 | int (*get_tunable)(struct phy_device *dev, | |
624 | struct ethtool_tunable *tuna, void *data); | |
625 | int (*set_tunable)(struct phy_device *dev, | |
626 | struct ethtool_tunable *tuna, | |
627 | const void *data); | |
628 | int (*set_loopback)(struct phy_device *dev, bool enable); | |
629 | }; | |
630 | #define to_phy_driver(d) container_of(to_mdio_common_driver(d), \ | |
631 | struct phy_driver, mdiodrv) | |
632 | ||
633 | #define PHY_ANY_ID "MATCH ANY PHY" | |
634 | #define PHY_ANY_UID 0xffffffff | |
635 | ||
636 | #define PHY_ID_MATCH_EXACT(id) .phy_id = (id), .phy_id_mask = GENMASK(31, 0) | |
637 | #define PHY_ID_MATCH_MODEL(id) .phy_id = (id), .phy_id_mask = GENMASK(31, 4) | |
638 | #define PHY_ID_MATCH_VENDOR(id) .phy_id = (id), .phy_id_mask = GENMASK(31, 10) | |
639 | ||
640 | /* A Structure for boards to register fixups with the PHY Lib */ | |
641 | struct phy_fixup { | |
642 | struct list_head list; | |
643 | char bus_id[MII_BUS_ID_SIZE + 3]; | |
644 | u32 phy_uid; | |
645 | u32 phy_uid_mask; | |
646 | int (*run)(struct phy_device *phydev); | |
647 | }; | |
648 | ||
649 | const char *phy_speed_to_str(int speed); | |
650 | const char *phy_duplex_to_str(unsigned int duplex); | |
651 | ||
652 | /* A structure for mapping a particular speed and duplex | |
653 | * combination to a particular SUPPORTED and ADVERTISED value | |
654 | */ | |
655 | struct phy_setting { | |
656 | u32 speed; | |
657 | u8 duplex; | |
658 | u8 bit; | |
659 | }; | |
660 | ||
661 | const struct phy_setting * | |
662 | phy_lookup_setting(int speed, int duplex, const unsigned long *mask, | |
663 | size_t maxbit, bool exact); | |
664 | size_t phy_speeds(unsigned int *speeds, size_t size, | |
665 | unsigned long *mask, size_t maxbit); | |
666 | ||
667 | void phy_resolve_aneg_linkmode(struct phy_device *phydev); | |
668 | ||
669 | /** | |
670 | * phy_read_mmd - Convenience function for reading a register | |
671 | * from an MMD on a given PHY. | |
672 | * @phydev: The phy_device struct | |
673 | * @devad: The MMD to read from | |
674 | * @regnum: The register on the MMD to read | |
675 | * | |
676 | * Same rules as for phy_read(); | |
677 | */ | |
678 | int phy_read_mmd(struct phy_device *phydev, int devad, u32 regnum); | |
679 | ||
680 | /** | |
681 | * phy_read - Convenience function for reading a given PHY register | |
682 | * @phydev: the phy_device struct | |
683 | * @regnum: register number to read | |
684 | * | |
685 | * NOTE: MUST NOT be called from interrupt context, | |
686 | * because the bus read/write functions may wait for an interrupt | |
687 | * to conclude the operation. | |
688 | */ | |
689 | static inline int phy_read(struct phy_device *phydev, u32 regnum) | |
690 | { | |
691 | return mdiobus_read(phydev->mdio.bus, phydev->mdio.addr, regnum); | |
692 | } | |
693 | ||
694 | /** | |
695 | * __phy_read - convenience function for reading a given PHY register | |
696 | * @phydev: the phy_device struct | |
697 | * @regnum: register number to read | |
698 | * | |
699 | * The caller must have taken the MDIO bus lock. | |
700 | */ | |
701 | static inline int __phy_read(struct phy_device *phydev, u32 regnum) | |
702 | { | |
703 | return __mdiobus_read(phydev->mdio.bus, phydev->mdio.addr, regnum); | |
704 | } | |
705 | ||
706 | /** | |
707 | * phy_write - Convenience function for writing a given PHY register | |
708 | * @phydev: the phy_device struct | |
709 | * @regnum: register number to write | |
710 | * @val: value to write to @regnum | |
711 | * | |
712 | * NOTE: MUST NOT be called from interrupt context, | |
713 | * because the bus read/write functions may wait for an interrupt | |
714 | * to conclude the operation. | |
715 | */ | |
716 | static inline int phy_write(struct phy_device *phydev, u32 regnum, u16 val) | |
717 | { | |
718 | return mdiobus_write(phydev->mdio.bus, phydev->mdio.addr, regnum, val); | |
719 | } | |
720 | ||
721 | /** | |
722 | * __phy_write - Convenience function for writing a given PHY register | |
723 | * @phydev: the phy_device struct | |
724 | * @regnum: register number to write | |
725 | * @val: value to write to @regnum | |
726 | * | |
727 | * The caller must have taken the MDIO bus lock. | |
728 | */ | |
729 | static inline int __phy_write(struct phy_device *phydev, u32 regnum, u16 val) | |
730 | { | |
731 | return __mdiobus_write(phydev->mdio.bus, phydev->mdio.addr, regnum, | |
732 | val); | |
733 | } | |
734 | ||
735 | int __phy_modify(struct phy_device *phydev, u32 regnum, u16 mask, u16 set); | |
736 | int phy_modify(struct phy_device *phydev, u32 regnum, u16 mask, u16 set); | |
737 | ||
738 | /** | |
739 | * __phy_set_bits - Convenience function for setting bits in a PHY register | |
740 | * @phydev: the phy_device struct | |
741 | * @regnum: register number to write | |
742 | * @val: bits to set | |
743 | * | |
744 | * The caller must have taken the MDIO bus lock. | |
745 | */ | |
746 | static inline int __phy_set_bits(struct phy_device *phydev, u32 regnum, u16 val) | |
747 | { | |
748 | return __phy_modify(phydev, regnum, 0, val); | |
749 | } | |
750 | ||
751 | /** | |
752 | * __phy_clear_bits - Convenience function for clearing bits in a PHY register | |
753 | * @phydev: the phy_device struct | |
754 | * @regnum: register number to write | |
755 | * @val: bits to clear | |
756 | * | |
757 | * The caller must have taken the MDIO bus lock. | |
758 | */ | |
759 | static inline int __phy_clear_bits(struct phy_device *phydev, u32 regnum, | |
760 | u16 val) | |
761 | { | |
762 | return __phy_modify(phydev, regnum, val, 0); | |
763 | } | |
764 | ||
765 | /** | |
766 | * phy_set_bits - Convenience function for setting bits in a PHY register | |
767 | * @phydev: the phy_device struct | |
768 | * @regnum: register number to write | |
769 | * @val: bits to set | |
770 | */ | |
771 | static inline int phy_set_bits(struct phy_device *phydev, u32 regnum, u16 val) | |
772 | { | |
773 | return phy_modify(phydev, regnum, 0, val); | |
774 | } | |
775 | ||
776 | /** | |
777 | * phy_clear_bits - Convenience function for clearing bits in a PHY register | |
778 | * @phydev: the phy_device struct | |
779 | * @regnum: register number to write | |
780 | * @val: bits to clear | |
781 | */ | |
782 | static inline int phy_clear_bits(struct phy_device *phydev, u32 regnum, u16 val) | |
783 | { | |
784 | return phy_modify(phydev, regnum, val, 0); | |
785 | } | |
786 | ||
787 | /** | |
788 | * phy_interrupt_is_valid - Convenience function for testing a given PHY irq | |
789 | * @phydev: the phy_device struct | |
790 | * | |
791 | * NOTE: must be kept in sync with addition/removal of PHY_POLL and | |
792 | * PHY_IGNORE_INTERRUPT | |
793 | */ | |
794 | static inline bool phy_interrupt_is_valid(struct phy_device *phydev) | |
795 | { | |
796 | return phydev->irq != PHY_POLL && phydev->irq != PHY_IGNORE_INTERRUPT; | |
797 | } | |
798 | ||
799 | /** | |
800 | * phy_polling_mode - Convenience function for testing whether polling is | |
801 | * used to detect PHY status changes | |
802 | * @phydev: the phy_device struct | |
803 | */ | |
804 | static inline bool phy_polling_mode(struct phy_device *phydev) | |
805 | { | |
806 | return phydev->irq == PHY_POLL; | |
807 | } | |
808 | ||
809 | /** | |
810 | * phy_is_internal - Convenience function for testing if a PHY is internal | |
811 | * @phydev: the phy_device struct | |
812 | */ | |
813 | static inline bool phy_is_internal(struct phy_device *phydev) | |
814 | { | |
815 | return phydev->is_internal; | |
816 | } | |
817 | ||
818 | /** | |
819 | * phy_interface_mode_is_rgmii - Convenience function for testing if a | |
820 | * PHY interface mode is RGMII (all variants) | |
821 | * @mode: the phy_interface_t enum | |
822 | */ | |
823 | static inline bool phy_interface_mode_is_rgmii(phy_interface_t mode) | |
824 | { | |
825 | return mode >= PHY_INTERFACE_MODE_RGMII && | |
826 | mode <= PHY_INTERFACE_MODE_RGMII_TXID; | |
827 | }; | |
828 | ||
829 | /** | |
830 | * phy_interface_mode_is_8023z() - does the phy interface mode use 802.3z | |
831 | * negotiation | |
832 | * @mode: one of &enum phy_interface_t | |
833 | * | |
834 | * Returns true if the phy interface mode uses the 16-bit negotiation | |
835 | * word as defined in 802.3z. (See 802.3-2015 37.2.1 Config_Reg encoding) | |
836 | */ | |
837 | static inline bool phy_interface_mode_is_8023z(phy_interface_t mode) | |
838 | { | |
839 | return mode == PHY_INTERFACE_MODE_1000BASEX || | |
840 | mode == PHY_INTERFACE_MODE_2500BASEX; | |
841 | } | |
842 | ||
843 | /** | |
844 | * phy_interface_is_rgmii - Convenience function for testing if a PHY interface | |
845 | * is RGMII (all variants) | |
846 | * @phydev: the phy_device struct | |
847 | */ | |
848 | static inline bool phy_interface_is_rgmii(struct phy_device *phydev) | |
849 | { | |
850 | return phy_interface_mode_is_rgmii(phydev->interface); | |
851 | }; | |
852 | ||
853 | /* | |
854 | * phy_is_pseudo_fixed_link - Convenience function for testing if this | |
855 | * PHY is the CPU port facing side of an Ethernet switch, or similar. | |
856 | * @phydev: the phy_device struct | |
857 | */ | |
858 | static inline bool phy_is_pseudo_fixed_link(struct phy_device *phydev) | |
859 | { | |
860 | return phydev->is_pseudo_fixed_link; | |
861 | } | |
862 | ||
863 | /** | |
864 | * phy_write_mmd - Convenience function for writing a register | |
865 | * on an MMD on a given PHY. | |
866 | * @phydev: The phy_device struct | |
867 | * @devad: The MMD to read from | |
868 | * @regnum: The register on the MMD to read | |
869 | * @val: value to write to @regnum | |
870 | * | |
871 | * Same rules as for phy_write(); | |
872 | */ | |
873 | int phy_write_mmd(struct phy_device *phydev, int devad, u32 regnum, u16 val); | |
874 | ||
875 | int phy_save_page(struct phy_device *phydev); | |
876 | int phy_select_page(struct phy_device *phydev, int page); | |
877 | int phy_restore_page(struct phy_device *phydev, int oldpage, int ret); | |
878 | int phy_read_paged(struct phy_device *phydev, int page, u32 regnum); | |
879 | int phy_write_paged(struct phy_device *phydev, int page, u32 regnum, u16 val); | |
880 | int phy_modify_paged(struct phy_device *phydev, int page, u32 regnum, | |
881 | u16 mask, u16 set); | |
882 | ||
883 | struct phy_device *phy_device_create(struct mii_bus *bus, int addr, int phy_id, | |
884 | bool is_c45, | |
885 | struct phy_c45_device_ids *c45_ids); | |
886 | #if IS_ENABLED(CONFIG_PHYLIB) | |
887 | struct phy_device *get_phy_device(struct mii_bus *bus, int addr, bool is_c45); | |
888 | int phy_device_register(struct phy_device *phy); | |
889 | void phy_device_free(struct phy_device *phydev); | |
890 | #else | |
891 | static inline | |
892 | struct phy_device *get_phy_device(struct mii_bus *bus, int addr, bool is_c45) | |
893 | { | |
894 | return NULL; | |
895 | } | |
896 | ||
897 | static inline int phy_device_register(struct phy_device *phy) | |
898 | { | |
899 | return 0; | |
900 | } | |
901 | ||
902 | static inline void phy_device_free(struct phy_device *phydev) { } | |
903 | #endif /* CONFIG_PHYLIB */ | |
904 | void phy_device_remove(struct phy_device *phydev); | |
905 | int phy_init_hw(struct phy_device *phydev); | |
906 | int phy_suspend(struct phy_device *phydev); | |
907 | int phy_resume(struct phy_device *phydev); | |
908 | int __phy_resume(struct phy_device *phydev); | |
909 | int phy_loopback(struct phy_device *phydev, bool enable); | |
910 | struct phy_device *phy_attach(struct net_device *dev, const char *bus_id, | |
911 | phy_interface_t interface); | |
912 | struct phy_device *phy_find_first(struct mii_bus *bus); | |
913 | int phy_attach_direct(struct net_device *dev, struct phy_device *phydev, | |
914 | u32 flags, phy_interface_t interface); | |
915 | int phy_connect_direct(struct net_device *dev, struct phy_device *phydev, | |
916 | void (*handler)(struct net_device *), | |
917 | phy_interface_t interface); | |
918 | struct phy_device *phy_connect(struct net_device *dev, const char *bus_id, | |
919 | void (*handler)(struct net_device *), | |
920 | phy_interface_t interface); | |
921 | void phy_disconnect(struct phy_device *phydev); | |
922 | void phy_detach(struct phy_device *phydev); | |
923 | void phy_start(struct phy_device *phydev); | |
924 | void phy_stop(struct phy_device *phydev); | |
925 | int phy_start_aneg(struct phy_device *phydev); | |
926 | int phy_aneg_done(struct phy_device *phydev); | |
927 | int phy_speed_down(struct phy_device *phydev, bool sync); | |
928 | int phy_speed_up(struct phy_device *phydev); | |
929 | ||
930 | int phy_stop_interrupts(struct phy_device *phydev); | |
931 | int phy_restart_aneg(struct phy_device *phydev); | |
932 | int phy_reset_after_clk_enable(struct phy_device *phydev); | |
933 | ||
934 | static inline void phy_device_reset(struct phy_device *phydev, int value) | |
935 | { | |
936 | mdio_device_reset(&phydev->mdio, value); | |
937 | } | |
938 | ||
939 | #define phydev_err(_phydev, format, args...) \ | |
940 | dev_err(&_phydev->mdio.dev, format, ##args) | |
941 | ||
942 | #define phydev_info(_phydev, format, args...) \ | |
943 | dev_info(&_phydev->mdio.dev, format, ##args) | |
944 | ||
945 | #define phydev_warn(_phydev, format, args...) \ | |
946 | dev_warn(&_phydev->mdio.dev, format, ##args) | |
947 | ||
948 | #define phydev_dbg(_phydev, format, args...) \ | |
949 | dev_dbg(&_phydev->mdio.dev, format, ##args) | |
950 | ||
951 | static inline const char *phydev_name(const struct phy_device *phydev) | |
952 | { | |
953 | return dev_name(&phydev->mdio.dev); | |
954 | } | |
955 | ||
956 | void phy_attached_print(struct phy_device *phydev, const char *fmt, ...) | |
957 | __printf(2, 3); | |
958 | void phy_attached_info(struct phy_device *phydev); | |
959 | ||
960 | /* Clause 22 PHY */ | |
961 | int genphy_config_init(struct phy_device *phydev); | |
962 | int genphy_setup_forced(struct phy_device *phydev); | |
963 | int genphy_restart_aneg(struct phy_device *phydev); | |
964 | int genphy_config_aneg(struct phy_device *phydev); | |
965 | int genphy_aneg_done(struct phy_device *phydev); | |
966 | int genphy_update_link(struct phy_device *phydev); | |
967 | int genphy_read_status(struct phy_device *phydev); | |
968 | int genphy_suspend(struct phy_device *phydev); | |
969 | int genphy_resume(struct phy_device *phydev); | |
970 | int genphy_loopback(struct phy_device *phydev, bool enable); | |
971 | int genphy_soft_reset(struct phy_device *phydev); | |
972 | static inline int genphy_no_soft_reset(struct phy_device *phydev) | |
973 | { | |
974 | return 0; | |
975 | } | |
976 | int genphy_read_mmd_unsupported(struct phy_device *phdev, int devad, | |
977 | u16 regnum); | |
978 | int genphy_write_mmd_unsupported(struct phy_device *phdev, int devnum, | |
979 | u16 regnum, u16 val); | |
980 | ||
981 | /* Clause 45 PHY */ | |
982 | int genphy_c45_restart_aneg(struct phy_device *phydev); | |
983 | int genphy_c45_aneg_done(struct phy_device *phydev); | |
984 | int genphy_c45_read_link(struct phy_device *phydev, u32 mmd_mask); | |
985 | int genphy_c45_read_lpa(struct phy_device *phydev); | |
986 | int genphy_c45_read_pma(struct phy_device *phydev); | |
987 | int genphy_c45_pma_setup_forced(struct phy_device *phydev); | |
988 | int genphy_c45_an_disable_aneg(struct phy_device *phydev); | |
989 | int genphy_c45_read_mdix(struct phy_device *phydev); | |
990 | ||
991 | /* The gen10g_* functions are the old Clause 45 stub */ | |
992 | int gen10g_config_aneg(struct phy_device *phydev); | |
993 | int gen10g_read_status(struct phy_device *phydev); | |
994 | int gen10g_no_soft_reset(struct phy_device *phydev); | |
995 | int gen10g_config_init(struct phy_device *phydev); | |
996 | int gen10g_suspend(struct phy_device *phydev); | |
997 | int gen10g_resume(struct phy_device *phydev); | |
998 | ||
999 | static inline int phy_read_status(struct phy_device *phydev) | |
1000 | { | |
1001 | if (!phydev->drv) | |
1002 | return -EIO; | |
1003 | ||
1004 | if (phydev->drv->read_status) | |
1005 | return phydev->drv->read_status(phydev); | |
1006 | else | |
1007 | return genphy_read_status(phydev); | |
1008 | } | |
1009 | ||
1010 | void phy_driver_unregister(struct phy_driver *drv); | |
1011 | void phy_drivers_unregister(struct phy_driver *drv, int n); | |
1012 | int phy_driver_register(struct phy_driver *new_driver, struct module *owner); | |
1013 | int phy_drivers_register(struct phy_driver *new_driver, int n, | |
1014 | struct module *owner); | |
1015 | void phy_state_machine(struct work_struct *work); | |
1016 | void phy_mac_interrupt(struct phy_device *phydev); | |
1017 | void phy_start_machine(struct phy_device *phydev); | |
1018 | void phy_stop_machine(struct phy_device *phydev); | |
1019 | int phy_ethtool_sset(struct phy_device *phydev, struct ethtool_cmd *cmd); | |
1020 | void phy_ethtool_ksettings_get(struct phy_device *phydev, | |
1021 | struct ethtool_link_ksettings *cmd); | |
1022 | int phy_ethtool_ksettings_set(struct phy_device *phydev, | |
1023 | const struct ethtool_link_ksettings *cmd); | |
1024 | int phy_mii_ioctl(struct phy_device *phydev, struct ifreq *ifr, int cmd); | |
1025 | int phy_start_interrupts(struct phy_device *phydev); | |
1026 | void phy_print_status(struct phy_device *phydev); | |
1027 | int phy_set_max_speed(struct phy_device *phydev, u32 max_speed); | |
1028 | void phy_remove_link_mode(struct phy_device *phydev, u32 link_mode); | |
1029 | void phy_support_sym_pause(struct phy_device *phydev); | |
1030 | void phy_support_asym_pause(struct phy_device *phydev); | |
1031 | void phy_set_sym_pause(struct phy_device *phydev, bool rx, bool tx, | |
1032 | bool autoneg); | |
1033 | void phy_set_asym_pause(struct phy_device *phydev, bool rx, bool tx); | |
1034 | bool phy_validate_pause(struct phy_device *phydev, | |
1035 | struct ethtool_pauseparam *pp); | |
1036 | ||
1037 | int phy_register_fixup(const char *bus_id, u32 phy_uid, u32 phy_uid_mask, | |
1038 | int (*run)(struct phy_device *)); | |
1039 | int phy_register_fixup_for_id(const char *bus_id, | |
1040 | int (*run)(struct phy_device *)); | |
1041 | int phy_register_fixup_for_uid(u32 phy_uid, u32 phy_uid_mask, | |
1042 | int (*run)(struct phy_device *)); | |
1043 | ||
1044 | int phy_unregister_fixup(const char *bus_id, u32 phy_uid, u32 phy_uid_mask); | |
1045 | int phy_unregister_fixup_for_id(const char *bus_id); | |
1046 | int phy_unregister_fixup_for_uid(u32 phy_uid, u32 phy_uid_mask); | |
1047 | ||
1048 | int phy_init_eee(struct phy_device *phydev, bool clk_stop_enable); | |
1049 | int phy_get_eee_err(struct phy_device *phydev); | |
1050 | int phy_ethtool_set_eee(struct phy_device *phydev, struct ethtool_eee *data); | |
1051 | int phy_ethtool_get_eee(struct phy_device *phydev, struct ethtool_eee *data); | |
1052 | int phy_ethtool_set_wol(struct phy_device *phydev, struct ethtool_wolinfo *wol); | |
1053 | void phy_ethtool_get_wol(struct phy_device *phydev, | |
1054 | struct ethtool_wolinfo *wol); | |
1055 | int phy_ethtool_get_link_ksettings(struct net_device *ndev, | |
1056 | struct ethtool_link_ksettings *cmd); | |
1057 | int phy_ethtool_set_link_ksettings(struct net_device *ndev, | |
1058 | const struct ethtool_link_ksettings *cmd); | |
1059 | int phy_ethtool_nway_reset(struct net_device *ndev); | |
1060 | ||
1061 | #if IS_ENABLED(CONFIG_PHYLIB) | |
1062 | int __init mdio_bus_init(void); | |
1063 | void mdio_bus_exit(void); | |
1064 | #endif | |
1065 | ||
1066 | /* Inline function for use within net/core/ethtool.c (built-in) */ | |
1067 | static inline int phy_ethtool_get_strings(struct phy_device *phydev, u8 *data) | |
1068 | { | |
1069 | if (!phydev->drv) | |
1070 | return -EIO; | |
1071 | ||
1072 | mutex_lock(&phydev->lock); | |
1073 | phydev->drv->get_strings(phydev, data); | |
1074 | mutex_unlock(&phydev->lock); | |
1075 | ||
1076 | return 0; | |
1077 | } | |
1078 | ||
1079 | static inline int phy_ethtool_get_sset_count(struct phy_device *phydev) | |
1080 | { | |
1081 | int ret; | |
1082 | ||
1083 | if (!phydev->drv) | |
1084 | return -EIO; | |
1085 | ||
1086 | if (phydev->drv->get_sset_count && | |
1087 | phydev->drv->get_strings && | |
1088 | phydev->drv->get_stats) { | |
1089 | mutex_lock(&phydev->lock); | |
1090 | ret = phydev->drv->get_sset_count(phydev); | |
1091 | mutex_unlock(&phydev->lock); | |
1092 | ||
1093 | return ret; | |
1094 | } | |
1095 | ||
1096 | return -EOPNOTSUPP; | |
1097 | } | |
1098 | ||
1099 | static inline int phy_ethtool_get_stats(struct phy_device *phydev, | |
1100 | struct ethtool_stats *stats, u64 *data) | |
1101 | { | |
1102 | if (!phydev->drv) | |
1103 | return -EIO; | |
1104 | ||
1105 | mutex_lock(&phydev->lock); | |
1106 | phydev->drv->get_stats(phydev, stats, data); | |
1107 | mutex_unlock(&phydev->lock); | |
1108 | ||
1109 | return 0; | |
1110 | } | |
1111 | ||
1112 | extern struct bus_type mdio_bus_type; | |
1113 | ||
1114 | struct mdio_board_info { | |
1115 | const char *bus_id; | |
1116 | char modalias[MDIO_NAME_SIZE]; | |
1117 | int mdio_addr; | |
1118 | const void *platform_data; | |
1119 | }; | |
1120 | ||
1121 | #if IS_ENABLED(CONFIG_MDIO_DEVICE) | |
1122 | int mdiobus_register_board_info(const struct mdio_board_info *info, | |
1123 | unsigned int n); | |
1124 | #else | |
1125 | static inline int mdiobus_register_board_info(const struct mdio_board_info *i, | |
1126 | unsigned int n) | |
1127 | { | |
1128 | return 0; | |
1129 | } | |
1130 | #endif | |
1131 | ||
1132 | ||
1133 | /** | |
1134 | * module_phy_driver() - Helper macro for registering PHY drivers | |
1135 | * @__phy_drivers: array of PHY drivers to register | |
1136 | * | |
1137 | * Helper macro for PHY drivers which do not do anything special in module | |
1138 | * init/exit. Each module may only use this macro once, and calling it | |
1139 | * replaces module_init() and module_exit(). | |
1140 | */ | |
1141 | #define phy_module_driver(__phy_drivers, __count) \ | |
1142 | static int __init phy_module_init(void) \ | |
1143 | { \ | |
1144 | return phy_drivers_register(__phy_drivers, __count, THIS_MODULE); \ | |
1145 | } \ | |
1146 | module_init(phy_module_init); \ | |
1147 | static void __exit phy_module_exit(void) \ | |
1148 | { \ | |
1149 | phy_drivers_unregister(__phy_drivers, __count); \ | |
1150 | } \ | |
1151 | module_exit(phy_module_exit) | |
1152 | ||
1153 | #define module_phy_driver(__phy_drivers) \ | |
1154 | phy_module_driver(__phy_drivers, ARRAY_SIZE(__phy_drivers)) | |
1155 | ||
1156 | #endif /* __PHY_H */ |