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1/*
2 * drivers/net/phy/marvell.c
3 *
4 * Driver for Marvell PHYs
5 *
6 * Author: Andy Fleming
7 *
8 * Copyright (c) 2004 Freescale Semiconductor, Inc.
9 *
10 * Copyright (c) 2013 Michael Stapelberg <michael@stapelberg.de>
11 *
12 * This program is free software; you can redistribute it and/or modify it
13 * under the terms of the GNU General Public License as published by the
14 * Free Software Foundation; either version 2 of the License, or (at your
15 * option) any later version.
16 *
17 */
18#include <linux/kernel.h>
19#include <linux/string.h>
20#include <linux/ctype.h>
21#include <linux/errno.h>
22#include <linux/unistd.h>
23#include <linux/hwmon.h>
24#include <linux/interrupt.h>
25#include <linux/init.h>
26#include <linux/delay.h>
27#include <linux/netdevice.h>
28#include <linux/etherdevice.h>
29#include <linux/skbuff.h>
30#include <linux/spinlock.h>
31#include <linux/mm.h>
32#include <linux/module.h>
33#include <linux/mii.h>
34#include <linux/ethtool.h>
35#include <linux/phy.h>
36#include <linux/marvell_phy.h>
37#include <linux/of.h>
38
39#include <linux/io.h>
40#include <asm/irq.h>
41#include <linux/uaccess.h>
42
43#define MII_MARVELL_PHY_PAGE 22
44#define MII_MARVELL_COPPER_PAGE 0x00
45#define MII_MARVELL_FIBER_PAGE 0x01
46#define MII_MARVELL_MSCR_PAGE 0x02
47#define MII_MARVELL_LED_PAGE 0x03
48#define MII_MARVELL_MISC_TEST_PAGE 0x06
49#define MII_MARVELL_WOL_PAGE 0x11
50
51#define MII_M1011_IEVENT 0x13
52#define MII_M1011_IEVENT_CLEAR 0x0000
53
54#define MII_M1011_IMASK 0x12
55#define MII_M1011_IMASK_INIT 0x6400
56#define MII_M1011_IMASK_CLEAR 0x0000
57
58#define MII_M1011_PHY_SCR 0x10
59#define MII_M1011_PHY_SCR_DOWNSHIFT_EN BIT(11)
60#define MII_M1011_PHY_SCR_DOWNSHIFT_SHIFT 12
61#define MII_M1011_PHY_SRC_DOWNSHIFT_MASK 0x7800
62#define MII_M1011_PHY_SCR_MDI (0x0 << 5)
63#define MII_M1011_PHY_SCR_MDI_X (0x1 << 5)
64#define MII_M1011_PHY_SCR_AUTO_CROSS (0x3 << 5)
65
66#define MII_M1111_PHY_LED_CONTROL 0x18
67#define MII_M1111_PHY_LED_DIRECT 0x4100
68#define MII_M1111_PHY_LED_COMBINE 0x411c
69#define MII_M1111_PHY_EXT_CR 0x14
70#define MII_M1111_RGMII_RX_DELAY BIT(7)
71#define MII_M1111_RGMII_TX_DELAY BIT(1)
72#define MII_M1111_PHY_EXT_SR 0x1b
73
74#define MII_M1111_HWCFG_MODE_MASK 0xf
75#define MII_M1111_HWCFG_MODE_FIBER_RGMII 0x3
76#define MII_M1111_HWCFG_MODE_SGMII_NO_CLK 0x4
77#define MII_M1111_HWCFG_MODE_RTBI 0x7
78#define MII_M1111_HWCFG_MODE_COPPER_RTBI 0x9
79#define MII_M1111_HWCFG_MODE_COPPER_RGMII 0xb
80#define MII_M1111_HWCFG_FIBER_COPPER_RES BIT(13)
81#define MII_M1111_HWCFG_FIBER_COPPER_AUTO BIT(15)
82
83#define MII_88E1121_PHY_MSCR_REG 21
84#define MII_88E1121_PHY_MSCR_RX_DELAY BIT(5)
85#define MII_88E1121_PHY_MSCR_TX_DELAY BIT(4)
86#define MII_88E1121_PHY_MSCR_DELAY_MASK (BIT(5) | BIT(4))
87
88#define MII_88E1121_MISC_TEST 0x1a
89#define MII_88E1510_MISC_TEST_TEMP_THRESHOLD_MASK 0x1f00
90#define MII_88E1510_MISC_TEST_TEMP_THRESHOLD_SHIFT 8
91#define MII_88E1510_MISC_TEST_TEMP_IRQ_EN BIT(7)
92#define MII_88E1510_MISC_TEST_TEMP_IRQ BIT(6)
93#define MII_88E1121_MISC_TEST_TEMP_SENSOR_EN BIT(5)
94#define MII_88E1121_MISC_TEST_TEMP_MASK 0x1f
95
96#define MII_88E1510_TEMP_SENSOR 0x1b
97#define MII_88E1510_TEMP_SENSOR_MASK 0xff
98
99#define MII_88E6390_MISC_TEST 0x1b
100#define MII_88E6390_MISC_TEST_SAMPLE_1S 0
101#define MII_88E6390_MISC_TEST_SAMPLE_10MS BIT(14)
102#define MII_88E6390_MISC_TEST_SAMPLE_DISABLE BIT(15)
103#define MII_88E6390_MISC_TEST_SAMPLE_ENABLE 0
104#define MII_88E6390_MISC_TEST_SAMPLE_MASK (0x3 << 14)
105
106#define MII_88E6390_TEMP_SENSOR 0x1c
107#define MII_88E6390_TEMP_SENSOR_MASK 0xff
108#define MII_88E6390_TEMP_SENSOR_SAMPLES 10
109
110#define MII_88E1318S_PHY_MSCR1_REG 16
111#define MII_88E1318S_PHY_MSCR1_PAD_ODD BIT(6)
112
113/* Copper Specific Interrupt Enable Register */
114#define MII_88E1318S_PHY_CSIER 0x12
115/* WOL Event Interrupt Enable */
116#define MII_88E1318S_PHY_CSIER_WOL_EIE BIT(7)
117
118/* LED Timer Control Register */
119#define MII_88E1318S_PHY_LED_TCR 0x12
120#define MII_88E1318S_PHY_LED_TCR_FORCE_INT BIT(15)
121#define MII_88E1318S_PHY_LED_TCR_INTn_ENABLE BIT(7)
122#define MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW BIT(11)
123
124/* Magic Packet MAC address registers */
125#define MII_88E1318S_PHY_MAGIC_PACKET_WORD2 0x17
126#define MII_88E1318S_PHY_MAGIC_PACKET_WORD1 0x18
127#define MII_88E1318S_PHY_MAGIC_PACKET_WORD0 0x19
128
129#define MII_88E1318S_PHY_WOL_CTRL 0x10
130#define MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS BIT(12)
131#define MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE BIT(14)
132
133#define MII_88E1121_PHY_LED_CTRL 16
134#define MII_88E1121_PHY_LED_DEF 0x0030
135
136#define MII_M1011_PHY_STATUS 0x11
137#define MII_M1011_PHY_STATUS_1000 0x8000
138#define MII_M1011_PHY_STATUS_100 0x4000
139#define MII_M1011_PHY_STATUS_SPD_MASK 0xc000
140#define MII_M1011_PHY_STATUS_FULLDUPLEX 0x2000
141#define MII_M1011_PHY_STATUS_RESOLVED 0x0800
142#define MII_M1011_PHY_STATUS_LINK 0x0400
143
144#define MII_88E3016_PHY_SPEC_CTRL 0x10
145#define MII_88E3016_DISABLE_SCRAMBLER 0x0200
146#define MII_88E3016_AUTO_MDIX_CROSSOVER 0x0030
147
148#define MII_88E1510_GEN_CTRL_REG_1 0x14
149#define MII_88E1510_GEN_CTRL_REG_1_MODE_MASK 0x7
150#define MII_88E1510_GEN_CTRL_REG_1_MODE_SGMII 0x1 /* SGMII to copper */
151#define MII_88E1510_GEN_CTRL_REG_1_RESET 0x8000 /* Soft reset */
152
153#define LPA_FIBER_1000HALF 0x40
154#define LPA_FIBER_1000FULL 0x20
155
156#define LPA_PAUSE_FIBER 0x180
157#define LPA_PAUSE_ASYM_FIBER 0x100
158
159#define ADVERTISE_FIBER_1000HALF 0x40
160#define ADVERTISE_FIBER_1000FULL 0x20
161
162#define ADVERTISE_PAUSE_FIBER 0x180
163#define ADVERTISE_PAUSE_ASYM_FIBER 0x100
164
165#define REGISTER_LINK_STATUS 0x400
166#define NB_FIBER_STATS 1
167
168MODULE_DESCRIPTION("Marvell PHY driver");
169MODULE_AUTHOR("Andy Fleming");
170MODULE_LICENSE("GPL");
171
172struct marvell_hw_stat {
173 const char *string;
174 u8 page;
175 u8 reg;
176 u8 bits;
177};
178
179static struct marvell_hw_stat marvell_hw_stats[] = {
180 { "phy_receive_errors_copper", 0, 21, 16},
181 { "phy_idle_errors", 0, 10, 8 },
182 { "phy_receive_errors_fiber", 1, 21, 16},
183};
184
185struct marvell_priv {
186 u64 stats[ARRAY_SIZE(marvell_hw_stats)];
187 char *hwmon_name;
188 struct device *hwmon_dev;
189};
190
191static int marvell_read_page(struct phy_device *phydev)
192{
193 return __phy_read(phydev, MII_MARVELL_PHY_PAGE);
194}
195
196static int marvell_write_page(struct phy_device *phydev, int page)
197{
198 return __phy_write(phydev, MII_MARVELL_PHY_PAGE, page);
199}
200
201static int marvell_set_page(struct phy_device *phydev, int page)
202{
203 return phy_write(phydev, MII_MARVELL_PHY_PAGE, page);
204}
205
206static int marvell_ack_interrupt(struct phy_device *phydev)
207{
208 int err;
209
210 /* Clear the interrupts by reading the reg */
211 err = phy_read(phydev, MII_M1011_IEVENT);
212
213 if (err < 0)
214 return err;
215
216 return 0;
217}
218
219static int marvell_config_intr(struct phy_device *phydev)
220{
221 int err;
222
223 if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
224 err = phy_write(phydev, MII_M1011_IMASK,
225 MII_M1011_IMASK_INIT);
226 else
227 err = phy_write(phydev, MII_M1011_IMASK,
228 MII_M1011_IMASK_CLEAR);
229
230 return err;
231}
232
233static int marvell_set_polarity(struct phy_device *phydev, int polarity)
234{
235 int reg;
236 int err;
237 int val;
238
239 /* get the current settings */
240 reg = phy_read(phydev, MII_M1011_PHY_SCR);
241 if (reg < 0)
242 return reg;
243
244 val = reg;
245 val &= ~MII_M1011_PHY_SCR_AUTO_CROSS;
246 switch (polarity) {
247 case ETH_TP_MDI:
248 val |= MII_M1011_PHY_SCR_MDI;
249 break;
250 case ETH_TP_MDI_X:
251 val |= MII_M1011_PHY_SCR_MDI_X;
252 break;
253 case ETH_TP_MDI_AUTO:
254 case ETH_TP_MDI_INVALID:
255 default:
256 val |= MII_M1011_PHY_SCR_AUTO_CROSS;
257 break;
258 }
259
260 if (val != reg) {
261 /* Set the new polarity value in the register */
262 err = phy_write(phydev, MII_M1011_PHY_SCR, val);
263 if (err)
264 return err;
265 }
266
267 return 0;
268}
269
270static int marvell_set_downshift(struct phy_device *phydev, bool enable,
271 u8 retries)
272{
273 int reg;
274
275 reg = phy_read(phydev, MII_M1011_PHY_SCR);
276 if (reg < 0)
277 return reg;
278
279 reg &= MII_M1011_PHY_SRC_DOWNSHIFT_MASK;
280 reg |= ((retries - 1) << MII_M1011_PHY_SCR_DOWNSHIFT_SHIFT);
281 if (enable)
282 reg |= MII_M1011_PHY_SCR_DOWNSHIFT_EN;
283
284 return phy_write(phydev, MII_M1011_PHY_SCR, reg);
285}
286
287static int marvell_config_aneg(struct phy_device *phydev)
288{
289 int err;
290
291 err = marvell_set_polarity(phydev, phydev->mdix_ctrl);
292 if (err < 0)
293 return err;
294
295 err = phy_write(phydev, MII_M1111_PHY_LED_CONTROL,
296 MII_M1111_PHY_LED_DIRECT);
297 if (err < 0)
298 return err;
299
300 err = genphy_config_aneg(phydev);
301 if (err < 0)
302 return err;
303
304 if (phydev->autoneg != AUTONEG_ENABLE) {
305 /* A write to speed/duplex bits (that is performed by
306 * genphy_config_aneg() call above) must be followed by
307 * a software reset. Otherwise, the write has no effect.
308 */
309 err = genphy_soft_reset(phydev);
310 if (err < 0)
311 return err;
312 }
313
314 return 0;
315}
316
317static int m88e1101_config_aneg(struct phy_device *phydev)
318{
319 int err;
320
321 /* This Marvell PHY has an errata which requires
322 * that certain registers get written in order
323 * to restart autonegotiation
324 */
325 err = genphy_soft_reset(phydev);
326 if (err < 0)
327 return err;
328
329 err = phy_write(phydev, 0x1d, 0x1f);
330 if (err < 0)
331 return err;
332
333 err = phy_write(phydev, 0x1e, 0x200c);
334 if (err < 0)
335 return err;
336
337 err = phy_write(phydev, 0x1d, 0x5);
338 if (err < 0)
339 return err;
340
341 err = phy_write(phydev, 0x1e, 0);
342 if (err < 0)
343 return err;
344
345 err = phy_write(phydev, 0x1e, 0x100);
346 if (err < 0)
347 return err;
348
349 return marvell_config_aneg(phydev);
350}
351
352static int m88e1111_config_aneg(struct phy_device *phydev)
353{
354 int err;
355
356 /* The Marvell PHY has an errata which requires
357 * that certain registers get written in order
358 * to restart autonegotiation
359 */
360 err = genphy_soft_reset(phydev);
361
362 err = marvell_set_polarity(phydev, phydev->mdix_ctrl);
363 if (err < 0)
364 return err;
365
366 err = phy_write(phydev, MII_M1111_PHY_LED_CONTROL,
367 MII_M1111_PHY_LED_DIRECT);
368 if (err < 0)
369 return err;
370
371 err = genphy_config_aneg(phydev);
372 if (err < 0)
373 return err;
374
375 if (phydev->autoneg != AUTONEG_ENABLE) {
376 /* A write to speed/duplex bits (that is performed by
377 * genphy_config_aneg() call above) must be followed by
378 * a software reset. Otherwise, the write has no effect.
379 */
380 err = genphy_soft_reset(phydev);
381 if (err < 0)
382 return err;
383 }
384
385 return 0;
386}
387
388#ifdef CONFIG_OF_MDIO
389/* Set and/or override some configuration registers based on the
390 * marvell,reg-init property stored in the of_node for the phydev.
391 *
392 * marvell,reg-init = <reg-page reg mask value>,...;
393 *
394 * There may be one or more sets of <reg-page reg mask value>:
395 *
396 * reg-page: which register bank to use.
397 * reg: the register.
398 * mask: if non-zero, ANDed with existing register value.
399 * value: ORed with the masked value and written to the regiser.
400 *
401 */
402static int marvell_of_reg_init(struct phy_device *phydev)
403{
404 const __be32 *paddr;
405 int len, i, saved_page, current_page, ret = 0;
406
407 if (!phydev->mdio.dev.of_node)
408 return 0;
409
410 paddr = of_get_property(phydev->mdio.dev.of_node,
411 "marvell,reg-init", &len);
412 if (!paddr || len < (4 * sizeof(*paddr)))
413 return 0;
414
415 saved_page = phy_save_page(phydev);
416 if (saved_page < 0)
417 goto err;
418 current_page = saved_page;
419
420 len /= sizeof(*paddr);
421 for (i = 0; i < len - 3; i += 4) {
422 u16 page = be32_to_cpup(paddr + i);
423 u16 reg = be32_to_cpup(paddr + i + 1);
424 u16 mask = be32_to_cpup(paddr + i + 2);
425 u16 val_bits = be32_to_cpup(paddr + i + 3);
426 int val;
427
428 if (page != current_page) {
429 current_page = page;
430 ret = marvell_write_page(phydev, page);
431 if (ret < 0)
432 goto err;
433 }
434
435 val = 0;
436 if (mask) {
437 val = __phy_read(phydev, reg);
438 if (val < 0) {
439 ret = val;
440 goto err;
441 }
442 val &= mask;
443 }
444 val |= val_bits;
445
446 ret = __phy_write(phydev, reg, val);
447 if (ret < 0)
448 goto err;
449 }
450err:
451 return phy_restore_page(phydev, saved_page, ret);
452}
453#else
454static int marvell_of_reg_init(struct phy_device *phydev)
455{
456 return 0;
457}
458#endif /* CONFIG_OF_MDIO */
459
460static int m88e1121_config_aneg_rgmii_delays(struct phy_device *phydev)
461{
462 int mscr;
463
464 if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
465 mscr = MII_88E1121_PHY_MSCR_RX_DELAY |
466 MII_88E1121_PHY_MSCR_TX_DELAY;
467 else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID)
468 mscr = MII_88E1121_PHY_MSCR_RX_DELAY;
469 else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)
470 mscr = MII_88E1121_PHY_MSCR_TX_DELAY;
471 else
472 mscr = 0;
473
474 return phy_modify_paged(phydev, MII_MARVELL_MSCR_PAGE,
475 MII_88E1121_PHY_MSCR_REG,
476 MII_88E1121_PHY_MSCR_DELAY_MASK, mscr);
477}
478
479static int m88e1121_config_aneg(struct phy_device *phydev)
480{
481 int err = 0;
482
483 if (phy_interface_is_rgmii(phydev)) {
484 err = m88e1121_config_aneg_rgmii_delays(phydev);
485 if (err < 0)
486 return err;
487 }
488
489 err = genphy_soft_reset(phydev);
490 if (err < 0)
491 return err;
492
493 err = marvell_set_polarity(phydev, phydev->mdix_ctrl);
494 if (err < 0)
495 return err;
496
497 return genphy_config_aneg(phydev);
498}
499
500static int m88e1318_config_aneg(struct phy_device *phydev)
501{
502 int err;
503
504 err = phy_modify_paged(phydev, MII_MARVELL_MSCR_PAGE,
505 MII_88E1318S_PHY_MSCR1_REG,
506 0, MII_88E1318S_PHY_MSCR1_PAD_ODD);
507 if (err < 0)
508 return err;
509
510 return m88e1121_config_aneg(phydev);
511}
512
513/**
514 * ethtool_adv_to_fiber_adv_t
515 * @ethadv: the ethtool advertisement settings
516 *
517 * A small helper function that translates ethtool advertisement
518 * settings to phy autonegotiation advertisements for the
519 * MII_ADV register for fiber link.
520 */
521static inline u32 ethtool_adv_to_fiber_adv_t(u32 ethadv)
522{
523 u32 result = 0;
524
525 if (ethadv & ADVERTISED_1000baseT_Half)
526 result |= ADVERTISE_FIBER_1000HALF;
527 if (ethadv & ADVERTISED_1000baseT_Full)
528 result |= ADVERTISE_FIBER_1000FULL;
529
530 if ((ethadv & ADVERTISE_PAUSE_ASYM) && (ethadv & ADVERTISE_PAUSE_CAP))
531 result |= LPA_PAUSE_ASYM_FIBER;
532 else if (ethadv & ADVERTISE_PAUSE_CAP)
533 result |= (ADVERTISE_PAUSE_FIBER
534 & (~ADVERTISE_PAUSE_ASYM_FIBER));
535
536 return result;
537}
538
539/**
540 * marvell_config_aneg_fiber - restart auto-negotiation or write BMCR
541 * @phydev: target phy_device struct
542 *
543 * Description: If auto-negotiation is enabled, we configure the
544 * advertising, and then restart auto-negotiation. If it is not
545 * enabled, then we write the BMCR. Adapted for fiber link in
546 * some Marvell's devices.
547 */
548static int marvell_config_aneg_fiber(struct phy_device *phydev)
549{
550 int changed = 0;
551 int err;
552 int adv, oldadv;
553 u32 advertise;
554
555 if (phydev->autoneg != AUTONEG_ENABLE)
556 return genphy_setup_forced(phydev);
557
558 /* Only allow advertising what this PHY supports */
559 phydev->advertising &= phydev->supported;
560 advertise = phydev->advertising;
561
562 /* Setup fiber advertisement */
563 adv = phy_read(phydev, MII_ADVERTISE);
564 if (adv < 0)
565 return adv;
566
567 oldadv = adv;
568 adv &= ~(ADVERTISE_FIBER_1000HALF | ADVERTISE_FIBER_1000FULL
569 | LPA_PAUSE_FIBER);
570 adv |= ethtool_adv_to_fiber_adv_t(advertise);
571
572 if (adv != oldadv) {
573 err = phy_write(phydev, MII_ADVERTISE, adv);
574 if (err < 0)
575 return err;
576
577 changed = 1;
578 }
579
580 if (changed == 0) {
581 /* Advertisement hasn't changed, but maybe aneg was never on to
582 * begin with? Or maybe phy was isolated?
583 */
584 int ctl = phy_read(phydev, MII_BMCR);
585
586 if (ctl < 0)
587 return ctl;
588
589 if (!(ctl & BMCR_ANENABLE) || (ctl & BMCR_ISOLATE))
590 changed = 1; /* do restart aneg */
591 }
592
593 /* Only restart aneg if we are advertising something different
594 * than we were before.
595 */
596 if (changed > 0)
597 changed = genphy_restart_aneg(phydev);
598
599 return changed;
600}
601
602static int m88e1510_config_aneg(struct phy_device *phydev)
603{
604 int err;
605
606 err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
607 if (err < 0)
608 goto error;
609
610 /* Configure the copper link first */
611 err = m88e1318_config_aneg(phydev);
612 if (err < 0)
613 goto error;
614
615 /* Do not touch the fiber page if we're in copper->sgmii mode */
616 if (phydev->interface == PHY_INTERFACE_MODE_SGMII)
617 return 0;
618
619 /* Then the fiber link */
620 err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE);
621 if (err < 0)
622 goto error;
623
624 err = marvell_config_aneg_fiber(phydev);
625 if (err < 0)
626 goto error;
627
628 return marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
629
630error:
631 marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
632 return err;
633}
634
635static int marvell_config_init(struct phy_device *phydev)
636{
637 /* Set registers from marvell,reg-init DT property */
638 return marvell_of_reg_init(phydev);
639}
640
641static int m88e1116r_config_init(struct phy_device *phydev)
642{
643 int err;
644
645 err = genphy_soft_reset(phydev);
646 if (err < 0)
647 return err;
648
649 mdelay(500);
650
651 err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
652 if (err < 0)
653 return err;
654
655 err = marvell_set_polarity(phydev, phydev->mdix_ctrl);
656 if (err < 0)
657 return err;
658
659 err = marvell_set_downshift(phydev, true, 8);
660 if (err < 0)
661 return err;
662
663 if (phy_interface_is_rgmii(phydev)) {
664 err = m88e1121_config_aneg_rgmii_delays(phydev);
665 if (err < 0)
666 return err;
667 }
668
669 err = genphy_soft_reset(phydev);
670 if (err < 0)
671 return err;
672
673 return marvell_config_init(phydev);
674}
675
676static int m88e3016_config_init(struct phy_device *phydev)
677{
678 int ret;
679
680 /* Enable Scrambler and Auto-Crossover */
681 ret = phy_modify(phydev, MII_88E3016_PHY_SPEC_CTRL,
682 MII_88E3016_DISABLE_SCRAMBLER,
683 MII_88E3016_AUTO_MDIX_CROSSOVER);
684 if (ret < 0)
685 return ret;
686
687 return marvell_config_init(phydev);
688}
689
690static int m88e1111_config_init_hwcfg_mode(struct phy_device *phydev,
691 u16 mode,
692 int fibre_copper_auto)
693{
694 if (fibre_copper_auto)
695 mode |= MII_M1111_HWCFG_FIBER_COPPER_AUTO;
696
697 return phy_modify(phydev, MII_M1111_PHY_EXT_SR,
698 MII_M1111_HWCFG_MODE_MASK |
699 MII_M1111_HWCFG_FIBER_COPPER_AUTO |
700 MII_M1111_HWCFG_FIBER_COPPER_RES,
701 mode);
702}
703
704static int m88e1111_config_init_rgmii_delays(struct phy_device *phydev)
705{
706 int delay;
707
708 if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {
709 delay = MII_M1111_RGMII_RX_DELAY | MII_M1111_RGMII_TX_DELAY;
710 } else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) {
711 delay = MII_M1111_RGMII_RX_DELAY;
712 } else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) {
713 delay = MII_M1111_RGMII_TX_DELAY;
714 } else {
715 delay = 0;
716 }
717
718 return phy_modify(phydev, MII_M1111_PHY_EXT_CR,
719 MII_M1111_RGMII_RX_DELAY | MII_M1111_RGMII_TX_DELAY,
720 delay);
721}
722
723static int m88e1111_config_init_rgmii(struct phy_device *phydev)
724{
725 int temp;
726 int err;
727
728 err = m88e1111_config_init_rgmii_delays(phydev);
729 if (err < 0)
730 return err;
731
732 temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
733 if (temp < 0)
734 return temp;
735
736 temp &= ~(MII_M1111_HWCFG_MODE_MASK);
737
738 if (temp & MII_M1111_HWCFG_FIBER_COPPER_RES)
739 temp |= MII_M1111_HWCFG_MODE_FIBER_RGMII;
740 else
741 temp |= MII_M1111_HWCFG_MODE_COPPER_RGMII;
742
743 return phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
744}
745
746static int m88e1111_config_init_sgmii(struct phy_device *phydev)
747{
748 int err;
749
750 err = m88e1111_config_init_hwcfg_mode(
751 phydev,
752 MII_M1111_HWCFG_MODE_SGMII_NO_CLK,
753 MII_M1111_HWCFG_FIBER_COPPER_AUTO);
754 if (err < 0)
755 return err;
756
757 /* make sure copper is selected */
758 return marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
759}
760
761static int m88e1111_config_init_rtbi(struct phy_device *phydev)
762{
763 int err;
764
765 err = m88e1111_config_init_rgmii_delays(phydev);
766 if (err < 0)
767 return err;
768
769 err = m88e1111_config_init_hwcfg_mode(
770 phydev,
771 MII_M1111_HWCFG_MODE_RTBI,
772 MII_M1111_HWCFG_FIBER_COPPER_AUTO);
773 if (err < 0)
774 return err;
775
776 /* soft reset */
777 err = genphy_soft_reset(phydev);
778 if (err < 0)
779 return err;
780
781 return m88e1111_config_init_hwcfg_mode(
782 phydev,
783 MII_M1111_HWCFG_MODE_RTBI,
784 MII_M1111_HWCFG_FIBER_COPPER_AUTO);
785}
786
787static int m88e1111_config_init(struct phy_device *phydev)
788{
789 int err;
790
791 if (phy_interface_is_rgmii(phydev)) {
792 err = m88e1111_config_init_rgmii(phydev);
793 if (err < 0)
794 return err;
795 }
796
797 if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
798 err = m88e1111_config_init_sgmii(phydev);
799 if (err < 0)
800 return err;
801 }
802
803 if (phydev->interface == PHY_INTERFACE_MODE_RTBI) {
804 err = m88e1111_config_init_rtbi(phydev);
805 if (err < 0)
806 return err;
807 }
808
809 err = marvell_of_reg_init(phydev);
810 if (err < 0)
811 return err;
812
813 return genphy_soft_reset(phydev);
814}
815
816static int m88e1121_config_init(struct phy_device *phydev)
817{
818 int err;
819
820 /* Default PHY LED config: LED[0] .. Link, LED[1] .. Activity */
821 err = phy_write_paged(phydev, MII_MARVELL_LED_PAGE,
822 MII_88E1121_PHY_LED_CTRL,
823 MII_88E1121_PHY_LED_DEF);
824 if (err < 0)
825 return err;
826
827 /* Set marvell,reg-init configuration from device tree */
828 return marvell_config_init(phydev);
829}
830
831static int m88e1318_config_init(struct phy_device *phydev)
832{
833 if (phy_interrupt_is_valid(phydev)) {
834 int err = phy_modify_paged(
835 phydev, MII_MARVELL_LED_PAGE,
836 MII_88E1318S_PHY_LED_TCR,
837 MII_88E1318S_PHY_LED_TCR_FORCE_INT,
838 MII_88E1318S_PHY_LED_TCR_INTn_ENABLE |
839 MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW);
840 if (err < 0)
841 return err;
842 }
843
844 return m88e1121_config_init(phydev);
845}
846
847static int m88e1510_config_init(struct phy_device *phydev)
848{
849 int err;
850
851 /* SGMII-to-Copper mode initialization */
852 if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
853 u32 pause;
854
855 /* Select page 18 */
856 err = marvell_set_page(phydev, 18);
857 if (err < 0)
858 return err;
859
860 /* In reg 20, write MODE[2:0] = 0x1 (SGMII to Copper) */
861 err = phy_modify(phydev, MII_88E1510_GEN_CTRL_REG_1,
862 MII_88E1510_GEN_CTRL_REG_1_MODE_MASK,
863 MII_88E1510_GEN_CTRL_REG_1_MODE_SGMII);
864 if (err < 0)
865 return err;
866
867 /* PHY reset is necessary after changing MODE[2:0] */
868 err = phy_modify(phydev, MII_88E1510_GEN_CTRL_REG_1, 0,
869 MII_88E1510_GEN_CTRL_REG_1_RESET);
870 if (err < 0)
871 return err;
872
873 /* Reset page selection */
874 err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
875 if (err < 0)
876 return err;
877
878 /* There appears to be a bug in the 88e1512 when used in
879 * SGMII to copper mode, where the AN advertisement register
880 * clears the pause bits each time a negotiation occurs.
881 * This means we can never be truely sure what was advertised,
882 * so disable Pause support.
883 */
884 pause = SUPPORTED_Pause | SUPPORTED_Asym_Pause;
885 phydev->supported &= ~pause;
886 phydev->advertising &= ~pause;
887 }
888
889 return m88e1318_config_init(phydev);
890}
891
892static int m88e1118_config_aneg(struct phy_device *phydev)
893{
894 int err;
895
896 err = genphy_soft_reset(phydev);
897 if (err < 0)
898 return err;
899
900 err = marvell_set_polarity(phydev, phydev->mdix_ctrl);
901 if (err < 0)
902 return err;
903
904 err = genphy_config_aneg(phydev);
905 return 0;
906}
907
908static int m88e1118_config_init(struct phy_device *phydev)
909{
910 int err;
911
912 /* Change address */
913 err = marvell_set_page(phydev, MII_MARVELL_MSCR_PAGE);
914 if (err < 0)
915 return err;
916
917 /* Enable 1000 Mbit */
918 err = phy_write(phydev, 0x15, 0x1070);
919 if (err < 0)
920 return err;
921
922 /* Change address */
923 err = marvell_set_page(phydev, MII_MARVELL_LED_PAGE);
924 if (err < 0)
925 return err;
926
927 /* Adjust LED Control */
928 if (phydev->dev_flags & MARVELL_PHY_M1118_DNS323_LEDS)
929 err = phy_write(phydev, 0x10, 0x1100);
930 else
931 err = phy_write(phydev, 0x10, 0x021e);
932 if (err < 0)
933 return err;
934
935 err = marvell_of_reg_init(phydev);
936 if (err < 0)
937 return err;
938
939 /* Reset address */
940 err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
941 if (err < 0)
942 return err;
943
944 return genphy_soft_reset(phydev);
945}
946
947static int m88e1149_config_init(struct phy_device *phydev)
948{
949 int err;
950
951 /* Change address */
952 err = marvell_set_page(phydev, MII_MARVELL_MSCR_PAGE);
953 if (err < 0)
954 return err;
955
956 /* Enable 1000 Mbit */
957 err = phy_write(phydev, 0x15, 0x1048);
958 if (err < 0)
959 return err;
960
961 err = marvell_of_reg_init(phydev);
962 if (err < 0)
963 return err;
964
965 /* Reset address */
966 err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
967 if (err < 0)
968 return err;
969
970 return genphy_soft_reset(phydev);
971}
972
973static int m88e1145_config_init_rgmii(struct phy_device *phydev)
974{
975 int err;
976
977 err = m88e1111_config_init_rgmii_delays(phydev);
978 if (err < 0)
979 return err;
980
981 if (phydev->dev_flags & MARVELL_PHY_M1145_FLAGS_RESISTANCE) {
982 err = phy_write(phydev, 0x1d, 0x0012);
983 if (err < 0)
984 return err;
985
986 err = phy_modify(phydev, 0x1e, 0x0fc0,
987 2 << 9 | /* 36 ohm */
988 2 << 6); /* 39 ohm */
989 if (err < 0)
990 return err;
991
992 err = phy_write(phydev, 0x1d, 0x3);
993 if (err < 0)
994 return err;
995
996 err = phy_write(phydev, 0x1e, 0x8000);
997 }
998 return err;
999}
1000
1001static int m88e1145_config_init_sgmii(struct phy_device *phydev)
1002{
1003 return m88e1111_config_init_hwcfg_mode(
1004 phydev, MII_M1111_HWCFG_MODE_SGMII_NO_CLK,
1005 MII_M1111_HWCFG_FIBER_COPPER_AUTO);
1006}
1007
1008static int m88e1145_config_init(struct phy_device *phydev)
1009{
1010 int err;
1011
1012 /* Take care of errata E0 & E1 */
1013 err = phy_write(phydev, 0x1d, 0x001b);
1014 if (err < 0)
1015 return err;
1016
1017 err = phy_write(phydev, 0x1e, 0x418f);
1018 if (err < 0)
1019 return err;
1020
1021 err = phy_write(phydev, 0x1d, 0x0016);
1022 if (err < 0)
1023 return err;
1024
1025 err = phy_write(phydev, 0x1e, 0xa2da);
1026 if (err < 0)
1027 return err;
1028
1029 if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {
1030 err = m88e1145_config_init_rgmii(phydev);
1031 if (err < 0)
1032 return err;
1033 }
1034
1035 if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
1036 err = m88e1145_config_init_sgmii(phydev);
1037 if (err < 0)
1038 return err;
1039 }
1040
1041 err = marvell_of_reg_init(phydev);
1042 if (err < 0)
1043 return err;
1044
1045 return 0;
1046}
1047
1048/**
1049 * fiber_lpa_to_ethtool_lpa_t
1050 * @lpa: value of the MII_LPA register for fiber link
1051 *
1052 * A small helper function that translates MII_LPA
1053 * bits to ethtool LP advertisement settings.
1054 */
1055static u32 fiber_lpa_to_ethtool_lpa_t(u32 lpa)
1056{
1057 u32 result = 0;
1058
1059 if (lpa & LPA_FIBER_1000HALF)
1060 result |= ADVERTISED_1000baseT_Half;
1061 if (lpa & LPA_FIBER_1000FULL)
1062 result |= ADVERTISED_1000baseT_Full;
1063
1064 return result;
1065}
1066
1067/**
1068 * marvell_update_link - update link status in real time in @phydev
1069 * @phydev: target phy_device struct
1070 *
1071 * Description: Update the value in phydev->link to reflect the
1072 * current link value.
1073 */
1074static int marvell_update_link(struct phy_device *phydev, int fiber)
1075{
1076 int status;
1077
1078 /* Use the generic register for copper link, or specific
1079 * register for fiber case
1080 */
1081 if (fiber) {
1082 status = phy_read(phydev, MII_M1011_PHY_STATUS);
1083 if (status < 0)
1084 return status;
1085
1086 if ((status & REGISTER_LINK_STATUS) == 0)
1087 phydev->link = 0;
1088 else
1089 phydev->link = 1;
1090 } else {
1091 return genphy_update_link(phydev);
1092 }
1093
1094 return 0;
1095}
1096
1097static int marvell_read_status_page_an(struct phy_device *phydev,
1098 int fiber)
1099{
1100 int status;
1101 int lpa;
1102 int lpagb;
1103
1104 status = phy_read(phydev, MII_M1011_PHY_STATUS);
1105 if (status < 0)
1106 return status;
1107
1108 lpa = phy_read(phydev, MII_LPA);
1109 if (lpa < 0)
1110 return lpa;
1111
1112 lpagb = phy_read(phydev, MII_STAT1000);
1113 if (lpagb < 0)
1114 return lpagb;
1115
1116 if (status & MII_M1011_PHY_STATUS_FULLDUPLEX)
1117 phydev->duplex = DUPLEX_FULL;
1118 else
1119 phydev->duplex = DUPLEX_HALF;
1120
1121 status = status & MII_M1011_PHY_STATUS_SPD_MASK;
1122 phydev->pause = 0;
1123 phydev->asym_pause = 0;
1124
1125 switch (status) {
1126 case MII_M1011_PHY_STATUS_1000:
1127 phydev->speed = SPEED_1000;
1128 break;
1129
1130 case MII_M1011_PHY_STATUS_100:
1131 phydev->speed = SPEED_100;
1132 break;
1133
1134 default:
1135 phydev->speed = SPEED_10;
1136 break;
1137 }
1138
1139 if (!fiber) {
1140 phydev->lp_advertising =
1141 mii_stat1000_to_ethtool_lpa_t(lpagb) |
1142 mii_lpa_to_ethtool_lpa_t(lpa);
1143
1144 if (phydev->duplex == DUPLEX_FULL) {
1145 phydev->pause = lpa & LPA_PAUSE_CAP ? 1 : 0;
1146 phydev->asym_pause = lpa & LPA_PAUSE_ASYM ? 1 : 0;
1147 }
1148 } else {
1149 /* The fiber link is only 1000M capable */
1150 phydev->lp_advertising = fiber_lpa_to_ethtool_lpa_t(lpa);
1151
1152 if (phydev->duplex == DUPLEX_FULL) {
1153 if (!(lpa & LPA_PAUSE_FIBER)) {
1154 phydev->pause = 0;
1155 phydev->asym_pause = 0;
1156 } else if ((lpa & LPA_PAUSE_ASYM_FIBER)) {
1157 phydev->pause = 1;
1158 phydev->asym_pause = 1;
1159 } else {
1160 phydev->pause = 1;
1161 phydev->asym_pause = 0;
1162 }
1163 }
1164 }
1165 return 0;
1166}
1167
1168static int marvell_read_status_page_fixed(struct phy_device *phydev)
1169{
1170 int bmcr = phy_read(phydev, MII_BMCR);
1171
1172 if (bmcr < 0)
1173 return bmcr;
1174
1175 if (bmcr & BMCR_FULLDPLX)
1176 phydev->duplex = DUPLEX_FULL;
1177 else
1178 phydev->duplex = DUPLEX_HALF;
1179
1180 if (bmcr & BMCR_SPEED1000)
1181 phydev->speed = SPEED_1000;
1182 else if (bmcr & BMCR_SPEED100)
1183 phydev->speed = SPEED_100;
1184 else
1185 phydev->speed = SPEED_10;
1186
1187 phydev->pause = 0;
1188 phydev->asym_pause = 0;
1189 phydev->lp_advertising = 0;
1190
1191 return 0;
1192}
1193
1194/* marvell_read_status_page
1195 *
1196 * Description:
1197 * Check the link, then figure out the current state
1198 * by comparing what we advertise with what the link partner
1199 * advertises. Start by checking the gigabit possibilities,
1200 * then move on to 10/100.
1201 */
1202static int marvell_read_status_page(struct phy_device *phydev, int page)
1203{
1204 int fiber;
1205 int err;
1206
1207 /* Detect and update the link, but return if there
1208 * was an error
1209 */
1210 if (page == MII_MARVELL_FIBER_PAGE)
1211 fiber = 1;
1212 else
1213 fiber = 0;
1214
1215 err = marvell_update_link(phydev, fiber);
1216 if (err)
1217 return err;
1218
1219 if (phydev->autoneg == AUTONEG_ENABLE)
1220 err = marvell_read_status_page_an(phydev, fiber);
1221 else
1222 err = marvell_read_status_page_fixed(phydev);
1223
1224 return err;
1225}
1226
1227/* marvell_read_status
1228 *
1229 * Some Marvell's phys have two modes: fiber and copper.
1230 * Both need status checked.
1231 * Description:
1232 * First, check the fiber link and status.
1233 * If the fiber link is down, check the copper link and status which
1234 * will be the default value if both link are down.
1235 */
1236static int marvell_read_status(struct phy_device *phydev)
1237{
1238 int err;
1239
1240 /* Check the fiber mode first */
1241 if (phydev->supported & SUPPORTED_FIBRE &&
1242 phydev->interface != PHY_INTERFACE_MODE_SGMII) {
1243 err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE);
1244 if (err < 0)
1245 goto error;
1246
1247 err = marvell_read_status_page(phydev, MII_MARVELL_FIBER_PAGE);
1248 if (err < 0)
1249 goto error;
1250
1251 /* If the fiber link is up, it is the selected and
1252 * used link. In this case, we need to stay in the
1253 * fiber page. Please to be careful about that, avoid
1254 * to restore Copper page in other functions which
1255 * could break the behaviour for some fiber phy like
1256 * 88E1512.
1257 */
1258 if (phydev->link)
1259 return 0;
1260
1261 /* If fiber link is down, check and save copper mode state */
1262 err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1263 if (err < 0)
1264 goto error;
1265 }
1266
1267 return marvell_read_status_page(phydev, MII_MARVELL_COPPER_PAGE);
1268
1269error:
1270 marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1271 return err;
1272}
1273
1274/* marvell_suspend
1275 *
1276 * Some Marvell's phys have two modes: fiber and copper.
1277 * Both need to be suspended
1278 */
1279static int marvell_suspend(struct phy_device *phydev)
1280{
1281 int err;
1282
1283 /* Suspend the fiber mode first */
1284 if (!(phydev->supported & SUPPORTED_FIBRE)) {
1285 err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE);
1286 if (err < 0)
1287 goto error;
1288
1289 /* With the page set, use the generic suspend */
1290 err = genphy_suspend(phydev);
1291 if (err < 0)
1292 goto error;
1293
1294 /* Then, the copper link */
1295 err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1296 if (err < 0)
1297 goto error;
1298 }
1299
1300 /* With the page set, use the generic suspend */
1301 return genphy_suspend(phydev);
1302
1303error:
1304 marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1305 return err;
1306}
1307
1308/* marvell_resume
1309 *
1310 * Some Marvell's phys have two modes: fiber and copper.
1311 * Both need to be resumed
1312 */
1313static int marvell_resume(struct phy_device *phydev)
1314{
1315 int err;
1316
1317 /* Resume the fiber mode first */
1318 if (!(phydev->supported & SUPPORTED_FIBRE)) {
1319 err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE);
1320 if (err < 0)
1321 goto error;
1322
1323 /* With the page set, use the generic resume */
1324 err = genphy_resume(phydev);
1325 if (err < 0)
1326 goto error;
1327
1328 /* Then, the copper link */
1329 err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1330 if (err < 0)
1331 goto error;
1332 }
1333
1334 /* With the page set, use the generic resume */
1335 return genphy_resume(phydev);
1336
1337error:
1338 marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1339 return err;
1340}
1341
1342static int marvell_aneg_done(struct phy_device *phydev)
1343{
1344 int retval = phy_read(phydev, MII_M1011_PHY_STATUS);
1345
1346 return (retval < 0) ? retval : (retval & MII_M1011_PHY_STATUS_RESOLVED);
1347}
1348
1349static int m88e1121_did_interrupt(struct phy_device *phydev)
1350{
1351 int imask;
1352
1353 imask = phy_read(phydev, MII_M1011_IEVENT);
1354
1355 if (imask & MII_M1011_IMASK_INIT)
1356 return 1;
1357
1358 return 0;
1359}
1360
1361static void m88e1318_get_wol(struct phy_device *phydev,
1362 struct ethtool_wolinfo *wol)
1363{
1364 int oldpage, ret = 0;
1365
1366 wol->supported = WAKE_MAGIC;
1367 wol->wolopts = 0;
1368
1369 oldpage = phy_select_page(phydev, MII_MARVELL_WOL_PAGE);
1370 if (oldpage < 0)
1371 goto error;
1372
1373 ret = __phy_read(phydev, MII_88E1318S_PHY_WOL_CTRL);
1374 if (ret & MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE)
1375 wol->wolopts |= WAKE_MAGIC;
1376
1377error:
1378 phy_restore_page(phydev, oldpage, ret);
1379}
1380
1381static int m88e1318_set_wol(struct phy_device *phydev,
1382 struct ethtool_wolinfo *wol)
1383{
1384 int err = 0, oldpage;
1385
1386 oldpage = phy_save_page(phydev);
1387 if (oldpage < 0)
1388 goto error;
1389
1390 if (wol->wolopts & WAKE_MAGIC) {
1391 /* Explicitly switch to page 0x00, just to be sure */
1392 err = marvell_write_page(phydev, MII_MARVELL_COPPER_PAGE);
1393 if (err < 0)
1394 goto error;
1395
1396 /* If WOL event happened once, the LED[2] interrupt pin
1397 * will not be cleared unless we reading the interrupt status
1398 * register. If interrupts are in use, the normal interrupt
1399 * handling will clear the WOL event. Clear the WOL event
1400 * before enabling it if !phy_interrupt_is_valid()
1401 */
1402 if (!phy_interrupt_is_valid(phydev))
1403 phy_read(phydev, MII_M1011_IEVENT);
1404
1405 /* Enable the WOL interrupt */
1406 err = __phy_modify(phydev, MII_88E1318S_PHY_CSIER, 0,
1407 MII_88E1318S_PHY_CSIER_WOL_EIE);
1408 if (err < 0)
1409 goto error;
1410
1411 err = marvell_write_page(phydev, MII_MARVELL_LED_PAGE);
1412 if (err < 0)
1413 goto error;
1414
1415 /* Setup LED[2] as interrupt pin (active low) */
1416 err = __phy_modify(phydev, MII_88E1318S_PHY_LED_TCR,
1417 MII_88E1318S_PHY_LED_TCR_FORCE_INT,
1418 MII_88E1318S_PHY_LED_TCR_INTn_ENABLE |
1419 MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW);
1420 if (err < 0)
1421 goto error;
1422
1423 err = marvell_write_page(phydev, MII_MARVELL_WOL_PAGE);
1424 if (err < 0)
1425 goto error;
1426
1427 /* Store the device address for the magic packet */
1428 err = __phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD2,
1429 ((phydev->attached_dev->dev_addr[5] << 8) |
1430 phydev->attached_dev->dev_addr[4]));
1431 if (err < 0)
1432 goto error;
1433 err = __phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD1,
1434 ((phydev->attached_dev->dev_addr[3] << 8) |
1435 phydev->attached_dev->dev_addr[2]));
1436 if (err < 0)
1437 goto error;
1438 err = __phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD0,
1439 ((phydev->attached_dev->dev_addr[1] << 8) |
1440 phydev->attached_dev->dev_addr[0]));
1441 if (err < 0)
1442 goto error;
1443
1444 /* Clear WOL status and enable magic packet matching */
1445 err = __phy_modify(phydev, MII_88E1318S_PHY_WOL_CTRL, 0,
1446 MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS |
1447 MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE);
1448 if (err < 0)
1449 goto error;
1450 } else {
1451 err = marvell_write_page(phydev, MII_MARVELL_WOL_PAGE);
1452 if (err < 0)
1453 goto error;
1454
1455 /* Clear WOL status and disable magic packet matching */
1456 err = __phy_modify(phydev, MII_88E1318S_PHY_WOL_CTRL,
1457 MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE,
1458 MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS);
1459 if (err < 0)
1460 goto error;
1461 }
1462
1463error:
1464 return phy_restore_page(phydev, oldpage, err);
1465}
1466
1467static int marvell_get_sset_count(struct phy_device *phydev)
1468{
1469 if (phydev->supported & SUPPORTED_FIBRE)
1470 return ARRAY_SIZE(marvell_hw_stats);
1471 else
1472 return ARRAY_SIZE(marvell_hw_stats) - NB_FIBER_STATS;
1473}
1474
1475static void marvell_get_strings(struct phy_device *phydev, u8 *data)
1476{
1477 int i;
1478
1479 for (i = 0; i < ARRAY_SIZE(marvell_hw_stats); i++) {
1480 strlcpy(data + i * ETH_GSTRING_LEN,
1481 marvell_hw_stats[i].string, ETH_GSTRING_LEN);
1482 }
1483}
1484
1485#ifndef UINT64_MAX
1486#define UINT64_MAX (u64)(~((u64)0))
1487#endif
1488static u64 marvell_get_stat(struct phy_device *phydev, int i)
1489{
1490 struct marvell_hw_stat stat = marvell_hw_stats[i];
1491 struct marvell_priv *priv = phydev->priv;
1492 int val;
1493 u64 ret;
1494
1495 val = phy_read_paged(phydev, stat.page, stat.reg);
1496 if (val < 0) {
1497 ret = UINT64_MAX;
1498 } else {
1499 val = val & ((1 << stat.bits) - 1);
1500 priv->stats[i] += val;
1501 ret = priv->stats[i];
1502 }
1503
1504 return ret;
1505}
1506
1507static void marvell_get_stats(struct phy_device *phydev,
1508 struct ethtool_stats *stats, u64 *data)
1509{
1510 int i;
1511
1512 for (i = 0; i < ARRAY_SIZE(marvell_hw_stats); i++)
1513 data[i] = marvell_get_stat(phydev, i);
1514}
1515
1516#ifdef CONFIG_HWMON
1517static int m88e1121_get_temp(struct phy_device *phydev, long *temp)
1518{
1519 int oldpage;
1520 int ret = 0;
1521 int val;
1522
1523 *temp = 0;
1524
1525 oldpage = phy_select_page(phydev, MII_MARVELL_MISC_TEST_PAGE);
1526 if (oldpage < 0)
1527 goto error;
1528
1529 /* Enable temperature sensor */
1530 ret = __phy_read(phydev, MII_88E1121_MISC_TEST);
1531 if (ret < 0)
1532 goto error;
1533
1534 ret = __phy_write(phydev, MII_88E1121_MISC_TEST,
1535 ret | MII_88E1121_MISC_TEST_TEMP_SENSOR_EN);
1536 if (ret < 0)
1537 goto error;
1538
1539 /* Wait for temperature to stabilize */
1540 usleep_range(10000, 12000);
1541
1542 val = __phy_read(phydev, MII_88E1121_MISC_TEST);
1543 if (val < 0) {
1544 ret = val;
1545 goto error;
1546 }
1547
1548 /* Disable temperature sensor */
1549 ret = __phy_write(phydev, MII_88E1121_MISC_TEST,
1550 ret & ~MII_88E1121_MISC_TEST_TEMP_SENSOR_EN);
1551 if (ret < 0)
1552 goto error;
1553
1554 *temp = ((val & MII_88E1121_MISC_TEST_TEMP_MASK) - 5) * 5000;
1555
1556error:
1557 return phy_restore_page(phydev, oldpage, ret);
1558}
1559
1560static int m88e1121_hwmon_read(struct device *dev,
1561 enum hwmon_sensor_types type,
1562 u32 attr, int channel, long *temp)
1563{
1564 struct phy_device *phydev = dev_get_drvdata(dev);
1565 int err;
1566
1567 switch (attr) {
1568 case hwmon_temp_input:
1569 err = m88e1121_get_temp(phydev, temp);
1570 break;
1571 default:
1572 return -EOPNOTSUPP;
1573 }
1574
1575 return err;
1576}
1577
1578static umode_t m88e1121_hwmon_is_visible(const void *data,
1579 enum hwmon_sensor_types type,
1580 u32 attr, int channel)
1581{
1582 if (type != hwmon_temp)
1583 return 0;
1584
1585 switch (attr) {
1586 case hwmon_temp_input:
1587 return 0444;
1588 default:
1589 return 0;
1590 }
1591}
1592
1593static u32 m88e1121_hwmon_chip_config[] = {
1594 HWMON_C_REGISTER_TZ,
1595 0
1596};
1597
1598static const struct hwmon_channel_info m88e1121_hwmon_chip = {
1599 .type = hwmon_chip,
1600 .config = m88e1121_hwmon_chip_config,
1601};
1602
1603static u32 m88e1121_hwmon_temp_config[] = {
1604 HWMON_T_INPUT,
1605 0
1606};
1607
1608static const struct hwmon_channel_info m88e1121_hwmon_temp = {
1609 .type = hwmon_temp,
1610 .config = m88e1121_hwmon_temp_config,
1611};
1612
1613static const struct hwmon_channel_info *m88e1121_hwmon_info[] = {
1614 &m88e1121_hwmon_chip,
1615 &m88e1121_hwmon_temp,
1616 NULL
1617};
1618
1619static const struct hwmon_ops m88e1121_hwmon_hwmon_ops = {
1620 .is_visible = m88e1121_hwmon_is_visible,
1621 .read = m88e1121_hwmon_read,
1622};
1623
1624static const struct hwmon_chip_info m88e1121_hwmon_chip_info = {
1625 .ops = &m88e1121_hwmon_hwmon_ops,
1626 .info = m88e1121_hwmon_info,
1627};
1628
1629static int m88e1510_get_temp(struct phy_device *phydev, long *temp)
1630{
1631 int ret;
1632
1633 *temp = 0;
1634
1635 ret = phy_read_paged(phydev, MII_MARVELL_MISC_TEST_PAGE,
1636 MII_88E1510_TEMP_SENSOR);
1637 if (ret < 0)
1638 return ret;
1639
1640 *temp = ((ret & MII_88E1510_TEMP_SENSOR_MASK) - 25) * 1000;
1641
1642 return 0;
1643}
1644
1645static int m88e1510_get_temp_critical(struct phy_device *phydev, long *temp)
1646{
1647 int ret;
1648
1649 *temp = 0;
1650
1651 ret = phy_read_paged(phydev, MII_MARVELL_MISC_TEST_PAGE,
1652 MII_88E1121_MISC_TEST);
1653 if (ret < 0)
1654 return ret;
1655
1656 *temp = (((ret & MII_88E1510_MISC_TEST_TEMP_THRESHOLD_MASK) >>
1657 MII_88E1510_MISC_TEST_TEMP_THRESHOLD_SHIFT) * 5) - 25;
1658 /* convert to mC */
1659 *temp *= 1000;
1660
1661 return 0;
1662}
1663
1664static int m88e1510_set_temp_critical(struct phy_device *phydev, long temp)
1665{
1666 temp = temp / 1000;
1667 temp = clamp_val(DIV_ROUND_CLOSEST(temp, 5) + 5, 0, 0x1f);
1668
1669 return phy_modify_paged(phydev, MII_MARVELL_MISC_TEST_PAGE,
1670 MII_88E1121_MISC_TEST,
1671 MII_88E1510_MISC_TEST_TEMP_THRESHOLD_MASK,
1672 temp << MII_88E1510_MISC_TEST_TEMP_THRESHOLD_SHIFT);
1673}
1674
1675static int m88e1510_get_temp_alarm(struct phy_device *phydev, long *alarm)
1676{
1677 int ret;
1678
1679 *alarm = false;
1680
1681 ret = phy_read_paged(phydev, MII_MARVELL_MISC_TEST_PAGE,
1682 MII_88E1121_MISC_TEST);
1683 if (ret < 0)
1684 return ret;
1685
1686 *alarm = !!(ret & MII_88E1510_MISC_TEST_TEMP_IRQ);
1687
1688 return 0;
1689}
1690
1691static int m88e1510_hwmon_read(struct device *dev,
1692 enum hwmon_sensor_types type,
1693 u32 attr, int channel, long *temp)
1694{
1695 struct phy_device *phydev = dev_get_drvdata(dev);
1696 int err;
1697
1698 switch (attr) {
1699 case hwmon_temp_input:
1700 err = m88e1510_get_temp(phydev, temp);
1701 break;
1702 case hwmon_temp_crit:
1703 err = m88e1510_get_temp_critical(phydev, temp);
1704 break;
1705 case hwmon_temp_max_alarm:
1706 err = m88e1510_get_temp_alarm(phydev, temp);
1707 break;
1708 default:
1709 return -EOPNOTSUPP;
1710 }
1711
1712 return err;
1713}
1714
1715static int m88e1510_hwmon_write(struct device *dev,
1716 enum hwmon_sensor_types type,
1717 u32 attr, int channel, long temp)
1718{
1719 struct phy_device *phydev = dev_get_drvdata(dev);
1720 int err;
1721
1722 switch (attr) {
1723 case hwmon_temp_crit:
1724 err = m88e1510_set_temp_critical(phydev, temp);
1725 break;
1726 default:
1727 return -EOPNOTSUPP;
1728 }
1729 return err;
1730}
1731
1732static umode_t m88e1510_hwmon_is_visible(const void *data,
1733 enum hwmon_sensor_types type,
1734 u32 attr, int channel)
1735{
1736 if (type != hwmon_temp)
1737 return 0;
1738
1739 switch (attr) {
1740 case hwmon_temp_input:
1741 case hwmon_temp_max_alarm:
1742 return 0444;
1743 case hwmon_temp_crit:
1744 return 0644;
1745 default:
1746 return 0;
1747 }
1748}
1749
1750static u32 m88e1510_hwmon_temp_config[] = {
1751 HWMON_T_INPUT | HWMON_T_CRIT | HWMON_T_MAX_ALARM,
1752 0
1753};
1754
1755static const struct hwmon_channel_info m88e1510_hwmon_temp = {
1756 .type = hwmon_temp,
1757 .config = m88e1510_hwmon_temp_config,
1758};
1759
1760static const struct hwmon_channel_info *m88e1510_hwmon_info[] = {
1761 &m88e1121_hwmon_chip,
1762 &m88e1510_hwmon_temp,
1763 NULL
1764};
1765
1766static const struct hwmon_ops m88e1510_hwmon_hwmon_ops = {
1767 .is_visible = m88e1510_hwmon_is_visible,
1768 .read = m88e1510_hwmon_read,
1769 .write = m88e1510_hwmon_write,
1770};
1771
1772static const struct hwmon_chip_info m88e1510_hwmon_chip_info = {
1773 .ops = &m88e1510_hwmon_hwmon_ops,
1774 .info = m88e1510_hwmon_info,
1775};
1776
1777static int m88e6390_get_temp(struct phy_device *phydev, long *temp)
1778{
1779 int sum = 0;
1780 int oldpage;
1781 int ret = 0;
1782 int i;
1783
1784 *temp = 0;
1785
1786 oldpage = phy_select_page(phydev, MII_MARVELL_MISC_TEST_PAGE);
1787 if (oldpage < 0)
1788 goto error;
1789
1790 /* Enable temperature sensor */
1791 ret = __phy_read(phydev, MII_88E6390_MISC_TEST);
1792 if (ret < 0)
1793 goto error;
1794
1795 ret = ret & ~MII_88E6390_MISC_TEST_SAMPLE_MASK;
1796 ret |= MII_88E6390_MISC_TEST_SAMPLE_ENABLE |
1797 MII_88E6390_MISC_TEST_SAMPLE_1S;
1798
1799 ret = __phy_write(phydev, MII_88E6390_MISC_TEST, ret);
1800 if (ret < 0)
1801 goto error;
1802
1803 /* Wait for temperature to stabilize */
1804 usleep_range(10000, 12000);
1805
1806 /* Reading the temperature sense has an errata. You need to read
1807 * a number of times and take an average.
1808 */
1809 for (i = 0; i < MII_88E6390_TEMP_SENSOR_SAMPLES; i++) {
1810 ret = __phy_read(phydev, MII_88E6390_TEMP_SENSOR);
1811 if (ret < 0)
1812 goto error;
1813 sum += ret & MII_88E6390_TEMP_SENSOR_MASK;
1814 }
1815
1816 sum /= MII_88E6390_TEMP_SENSOR_SAMPLES;
1817 *temp = (sum - 75) * 1000;
1818
1819 /* Disable temperature sensor */
1820 ret = __phy_read(phydev, MII_88E6390_MISC_TEST);
1821 if (ret < 0)
1822 goto error;
1823
1824 ret = ret & ~MII_88E6390_MISC_TEST_SAMPLE_MASK;
1825 ret |= MII_88E6390_MISC_TEST_SAMPLE_DISABLE;
1826
1827 ret = __phy_write(phydev, MII_88E6390_MISC_TEST, ret);
1828
1829error:
1830 phy_restore_page(phydev, oldpage, ret);
1831
1832 return ret;
1833}
1834
1835static int m88e6390_hwmon_read(struct device *dev,
1836 enum hwmon_sensor_types type,
1837 u32 attr, int channel, long *temp)
1838{
1839 struct phy_device *phydev = dev_get_drvdata(dev);
1840 int err;
1841
1842 switch (attr) {
1843 case hwmon_temp_input:
1844 err = m88e6390_get_temp(phydev, temp);
1845 break;
1846 default:
1847 return -EOPNOTSUPP;
1848 }
1849
1850 return err;
1851}
1852
1853static umode_t m88e6390_hwmon_is_visible(const void *data,
1854 enum hwmon_sensor_types type,
1855 u32 attr, int channel)
1856{
1857 if (type != hwmon_temp)
1858 return 0;
1859
1860 switch (attr) {
1861 case hwmon_temp_input:
1862 return 0444;
1863 default:
1864 return 0;
1865 }
1866}
1867
1868static u32 m88e6390_hwmon_temp_config[] = {
1869 HWMON_T_INPUT,
1870 0
1871};
1872
1873static const struct hwmon_channel_info m88e6390_hwmon_temp = {
1874 .type = hwmon_temp,
1875 .config = m88e6390_hwmon_temp_config,
1876};
1877
1878static const struct hwmon_channel_info *m88e6390_hwmon_info[] = {
1879 &m88e1121_hwmon_chip,
1880 &m88e6390_hwmon_temp,
1881 NULL
1882};
1883
1884static const struct hwmon_ops m88e6390_hwmon_hwmon_ops = {
1885 .is_visible = m88e6390_hwmon_is_visible,
1886 .read = m88e6390_hwmon_read,
1887};
1888
1889static const struct hwmon_chip_info m88e6390_hwmon_chip_info = {
1890 .ops = &m88e6390_hwmon_hwmon_ops,
1891 .info = m88e6390_hwmon_info,
1892};
1893
1894static int marvell_hwmon_name(struct phy_device *phydev)
1895{
1896 struct marvell_priv *priv = phydev->priv;
1897 struct device *dev = &phydev->mdio.dev;
1898 const char *devname = dev_name(dev);
1899 size_t len = strlen(devname);
1900 int i, j;
1901
1902 priv->hwmon_name = devm_kzalloc(dev, len, GFP_KERNEL);
1903 if (!priv->hwmon_name)
1904 return -ENOMEM;
1905
1906 for (i = j = 0; i < len && devname[i]; i++) {
1907 if (isalnum(devname[i]))
1908 priv->hwmon_name[j++] = devname[i];
1909 }
1910
1911 return 0;
1912}
1913
1914static int marvell_hwmon_probe(struct phy_device *phydev,
1915 const struct hwmon_chip_info *chip)
1916{
1917 struct marvell_priv *priv = phydev->priv;
1918 struct device *dev = &phydev->mdio.dev;
1919 int err;
1920
1921 err = marvell_hwmon_name(phydev);
1922 if (err)
1923 return err;
1924
1925 priv->hwmon_dev = devm_hwmon_device_register_with_info(
1926 dev, priv->hwmon_name, phydev, chip, NULL);
1927
1928 return PTR_ERR_OR_ZERO(priv->hwmon_dev);
1929}
1930
1931static int m88e1121_hwmon_probe(struct phy_device *phydev)
1932{
1933 return marvell_hwmon_probe(phydev, &m88e1121_hwmon_chip_info);
1934}
1935
1936static int m88e1510_hwmon_probe(struct phy_device *phydev)
1937{
1938 return marvell_hwmon_probe(phydev, &m88e1510_hwmon_chip_info);
1939}
1940
1941static int m88e6390_hwmon_probe(struct phy_device *phydev)
1942{
1943 return marvell_hwmon_probe(phydev, &m88e6390_hwmon_chip_info);
1944}
1945#else
1946static int m88e1121_hwmon_probe(struct phy_device *phydev)
1947{
1948 return 0;
1949}
1950
1951static int m88e1510_hwmon_probe(struct phy_device *phydev)
1952{
1953 return 0;
1954}
1955
1956static int m88e6390_hwmon_probe(struct phy_device *phydev)
1957{
1958 return 0;
1959}
1960#endif
1961
1962static int marvell_probe(struct phy_device *phydev)
1963{
1964 struct marvell_priv *priv;
1965
1966 priv = devm_kzalloc(&phydev->mdio.dev, sizeof(*priv), GFP_KERNEL);
1967 if (!priv)
1968 return -ENOMEM;
1969
1970 phydev->priv = priv;
1971
1972 return 0;
1973}
1974
1975static int m88e1121_probe(struct phy_device *phydev)
1976{
1977 int err;
1978
1979 err = marvell_probe(phydev);
1980 if (err)
1981 return err;
1982
1983 return m88e1121_hwmon_probe(phydev);
1984}
1985
1986static int m88e1510_probe(struct phy_device *phydev)
1987{
1988 int err;
1989
1990 err = marvell_probe(phydev);
1991 if (err)
1992 return err;
1993
1994 return m88e1510_hwmon_probe(phydev);
1995}
1996
1997static int m88e6390_probe(struct phy_device *phydev)
1998{
1999 int err;
2000
2001 err = marvell_probe(phydev);
2002 if (err)
2003 return err;
2004
2005 return m88e6390_hwmon_probe(phydev);
2006}
2007
2008static struct phy_driver marvell_drivers[] = {
2009 {
2010 .phy_id = MARVELL_PHY_ID_88E1101,
2011 .phy_id_mask = MARVELL_PHY_ID_MASK,
2012 .name = "Marvell 88E1101",
2013 .features = PHY_GBIT_FEATURES,
2014 .flags = PHY_HAS_INTERRUPT,
2015 .probe = marvell_probe,
2016 .config_init = &marvell_config_init,
2017 .config_aneg = &m88e1101_config_aneg,
2018 .ack_interrupt = &marvell_ack_interrupt,
2019 .config_intr = &marvell_config_intr,
2020 .resume = &genphy_resume,
2021 .suspend = &genphy_suspend,
2022 .read_page = marvell_read_page,
2023 .write_page = marvell_write_page,
2024 .get_sset_count = marvell_get_sset_count,
2025 .get_strings = marvell_get_strings,
2026 .get_stats = marvell_get_stats,
2027 },
2028 {
2029 .phy_id = MARVELL_PHY_ID_88E1112,
2030 .phy_id_mask = MARVELL_PHY_ID_MASK,
2031 .name = "Marvell 88E1112",
2032 .features = PHY_GBIT_FEATURES,
2033 .flags = PHY_HAS_INTERRUPT,
2034 .probe = marvell_probe,
2035 .config_init = &m88e1111_config_init,
2036 .config_aneg = &marvell_config_aneg,
2037 .ack_interrupt = &marvell_ack_interrupt,
2038 .config_intr = &marvell_config_intr,
2039 .resume = &genphy_resume,
2040 .suspend = &genphy_suspend,
2041 .read_page = marvell_read_page,
2042 .write_page = marvell_write_page,
2043 .get_sset_count = marvell_get_sset_count,
2044 .get_strings = marvell_get_strings,
2045 .get_stats = marvell_get_stats,
2046 },
2047 {
2048 .phy_id = MARVELL_PHY_ID_88E1111,
2049 .phy_id_mask = MARVELL_PHY_ID_MASK,
2050 .name = "Marvell 88E1111",
2051 .features = PHY_GBIT_FEATURES,
2052 .flags = PHY_HAS_INTERRUPT,
2053 .probe = marvell_probe,
2054 .config_init = &m88e1111_config_init,
2055 .config_aneg = &m88e1111_config_aneg,
2056 .read_status = &marvell_read_status,
2057 .ack_interrupt = &marvell_ack_interrupt,
2058 .config_intr = &marvell_config_intr,
2059 .resume = &genphy_resume,
2060 .suspend = &genphy_suspend,
2061 .read_page = marvell_read_page,
2062 .write_page = marvell_write_page,
2063 .get_sset_count = marvell_get_sset_count,
2064 .get_strings = marvell_get_strings,
2065 .get_stats = marvell_get_stats,
2066 },
2067 {
2068 .phy_id = MARVELL_PHY_ID_88E1118,
2069 .phy_id_mask = MARVELL_PHY_ID_MASK,
2070 .name = "Marvell 88E1118",
2071 .features = PHY_GBIT_FEATURES,
2072 .flags = PHY_HAS_INTERRUPT,
2073 .probe = marvell_probe,
2074 .config_init = &m88e1118_config_init,
2075 .config_aneg = &m88e1118_config_aneg,
2076 .ack_interrupt = &marvell_ack_interrupt,
2077 .config_intr = &marvell_config_intr,
2078 .resume = &genphy_resume,
2079 .suspend = &genphy_suspend,
2080 .read_page = marvell_read_page,
2081 .write_page = marvell_write_page,
2082 .get_sset_count = marvell_get_sset_count,
2083 .get_strings = marvell_get_strings,
2084 .get_stats = marvell_get_stats,
2085 },
2086 {
2087 .phy_id = MARVELL_PHY_ID_88E1121R,
2088 .phy_id_mask = MARVELL_PHY_ID_MASK,
2089 .name = "Marvell 88E1121R",
2090 .features = PHY_GBIT_FEATURES,
2091 .flags = PHY_HAS_INTERRUPT,
2092 .probe = &m88e1121_probe,
2093 .config_init = &m88e1121_config_init,
2094 .config_aneg = &m88e1121_config_aneg,
2095 .read_status = &marvell_read_status,
2096 .ack_interrupt = &marvell_ack_interrupt,
2097 .config_intr = &marvell_config_intr,
2098 .did_interrupt = &m88e1121_did_interrupt,
2099 .resume = &genphy_resume,
2100 .suspend = &genphy_suspend,
2101 .read_page = marvell_read_page,
2102 .write_page = marvell_write_page,
2103 .get_sset_count = marvell_get_sset_count,
2104 .get_strings = marvell_get_strings,
2105 .get_stats = marvell_get_stats,
2106 },
2107 {
2108 .phy_id = MARVELL_PHY_ID_88E1318S,
2109 .phy_id_mask = MARVELL_PHY_ID_MASK,
2110 .name = "Marvell 88E1318S",
2111 .features = PHY_GBIT_FEATURES,
2112 .flags = PHY_HAS_INTERRUPT,
2113 .probe = marvell_probe,
2114 .config_init = &m88e1318_config_init,
2115 .config_aneg = &m88e1318_config_aneg,
2116 .read_status = &marvell_read_status,
2117 .ack_interrupt = &marvell_ack_interrupt,
2118 .config_intr = &marvell_config_intr,
2119 .did_interrupt = &m88e1121_did_interrupt,
2120 .get_wol = &m88e1318_get_wol,
2121 .set_wol = &m88e1318_set_wol,
2122 .resume = &genphy_resume,
2123 .suspend = &genphy_suspend,
2124 .read_page = marvell_read_page,
2125 .write_page = marvell_write_page,
2126 .get_sset_count = marvell_get_sset_count,
2127 .get_strings = marvell_get_strings,
2128 .get_stats = marvell_get_stats,
2129 },
2130 {
2131 .phy_id = MARVELL_PHY_ID_88E1145,
2132 .phy_id_mask = MARVELL_PHY_ID_MASK,
2133 .name = "Marvell 88E1145",
2134 .features = PHY_GBIT_FEATURES,
2135 .flags = PHY_HAS_INTERRUPT,
2136 .probe = marvell_probe,
2137 .config_init = &m88e1145_config_init,
2138 .config_aneg = &m88e1101_config_aneg,
2139 .read_status = &genphy_read_status,
2140 .ack_interrupt = &marvell_ack_interrupt,
2141 .config_intr = &marvell_config_intr,
2142 .resume = &genphy_resume,
2143 .suspend = &genphy_suspend,
2144 .read_page = marvell_read_page,
2145 .write_page = marvell_write_page,
2146 .get_sset_count = marvell_get_sset_count,
2147 .get_strings = marvell_get_strings,
2148 .get_stats = marvell_get_stats,
2149 },
2150 {
2151 .phy_id = MARVELL_PHY_ID_88E1149R,
2152 .phy_id_mask = MARVELL_PHY_ID_MASK,
2153 .name = "Marvell 88E1149R",
2154 .features = PHY_GBIT_FEATURES,
2155 .flags = PHY_HAS_INTERRUPT,
2156 .probe = marvell_probe,
2157 .config_init = &m88e1149_config_init,
2158 .config_aneg = &m88e1118_config_aneg,
2159 .ack_interrupt = &marvell_ack_interrupt,
2160 .config_intr = &marvell_config_intr,
2161 .resume = &genphy_resume,
2162 .suspend = &genphy_suspend,
2163 .read_page = marvell_read_page,
2164 .write_page = marvell_write_page,
2165 .get_sset_count = marvell_get_sset_count,
2166 .get_strings = marvell_get_strings,
2167 .get_stats = marvell_get_stats,
2168 },
2169 {
2170 .phy_id = MARVELL_PHY_ID_88E1240,
2171 .phy_id_mask = MARVELL_PHY_ID_MASK,
2172 .name = "Marvell 88E1240",
2173 .features = PHY_GBIT_FEATURES,
2174 .flags = PHY_HAS_INTERRUPT,
2175 .probe = marvell_probe,
2176 .config_init = &m88e1111_config_init,
2177 .config_aneg = &marvell_config_aneg,
2178 .ack_interrupt = &marvell_ack_interrupt,
2179 .config_intr = &marvell_config_intr,
2180 .resume = &genphy_resume,
2181 .suspend = &genphy_suspend,
2182 .read_page = marvell_read_page,
2183 .write_page = marvell_write_page,
2184 .get_sset_count = marvell_get_sset_count,
2185 .get_strings = marvell_get_strings,
2186 .get_stats = marvell_get_stats,
2187 },
2188 {
2189 .phy_id = MARVELL_PHY_ID_88E1116R,
2190 .phy_id_mask = MARVELL_PHY_ID_MASK,
2191 .name = "Marvell 88E1116R",
2192 .features = PHY_GBIT_FEATURES,
2193 .flags = PHY_HAS_INTERRUPT,
2194 .probe = marvell_probe,
2195 .config_init = &m88e1116r_config_init,
2196 .ack_interrupt = &marvell_ack_interrupt,
2197 .config_intr = &marvell_config_intr,
2198 .resume = &genphy_resume,
2199 .suspend = &genphy_suspend,
2200 .read_page = marvell_read_page,
2201 .write_page = marvell_write_page,
2202 .get_sset_count = marvell_get_sset_count,
2203 .get_strings = marvell_get_strings,
2204 .get_stats = marvell_get_stats,
2205 },
2206 {
2207 .phy_id = MARVELL_PHY_ID_88E1510,
2208 .phy_id_mask = MARVELL_PHY_ID_MASK,
2209 .name = "Marvell 88E1510",
2210 .features = PHY_GBIT_FEATURES | SUPPORTED_FIBRE,
2211 .flags = PHY_HAS_INTERRUPT,
2212 .probe = &m88e1510_probe,
2213 .config_init = &m88e1510_config_init,
2214 .config_aneg = &m88e1510_config_aneg,
2215 .read_status = &marvell_read_status,
2216 .ack_interrupt = &marvell_ack_interrupt,
2217 .config_intr = &marvell_config_intr,
2218 .did_interrupt = &m88e1121_did_interrupt,
2219 .get_wol = &m88e1318_get_wol,
2220 .set_wol = &m88e1318_set_wol,
2221 .resume = &marvell_resume,
2222 .suspend = &marvell_suspend,
2223 .read_page = marvell_read_page,
2224 .write_page = marvell_write_page,
2225 .get_sset_count = marvell_get_sset_count,
2226 .get_strings = marvell_get_strings,
2227 .get_stats = marvell_get_stats,
2228 .set_loopback = genphy_loopback,
2229 },
2230 {
2231 .phy_id = MARVELL_PHY_ID_88E1540,
2232 .phy_id_mask = MARVELL_PHY_ID_MASK,
2233 .name = "Marvell 88E1540",
2234 .features = PHY_GBIT_FEATURES,
2235 .flags = PHY_HAS_INTERRUPT,
2236 .probe = m88e1510_probe,
2237 .config_init = &marvell_config_init,
2238 .config_aneg = &m88e1510_config_aneg,
2239 .read_status = &marvell_read_status,
2240 .ack_interrupt = &marvell_ack_interrupt,
2241 .config_intr = &marvell_config_intr,
2242 .did_interrupt = &m88e1121_did_interrupt,
2243 .resume = &genphy_resume,
2244 .suspend = &genphy_suspend,
2245 .read_page = marvell_read_page,
2246 .write_page = marvell_write_page,
2247 .get_sset_count = marvell_get_sset_count,
2248 .get_strings = marvell_get_strings,
2249 .get_stats = marvell_get_stats,
2250 },
2251 {
2252 .phy_id = MARVELL_PHY_ID_88E1545,
2253 .phy_id_mask = MARVELL_PHY_ID_MASK,
2254 .name = "Marvell 88E1545",
2255 .probe = m88e1510_probe,
2256 .features = PHY_GBIT_FEATURES,
2257 .flags = PHY_HAS_INTERRUPT,
2258 .config_init = &marvell_config_init,
2259 .config_aneg = &m88e1510_config_aneg,
2260 .read_status = &marvell_read_status,
2261 .ack_interrupt = &marvell_ack_interrupt,
2262 .config_intr = &marvell_config_intr,
2263 .did_interrupt = &m88e1121_did_interrupt,
2264 .resume = &genphy_resume,
2265 .suspend = &genphy_suspend,
2266 .read_page = marvell_read_page,
2267 .write_page = marvell_write_page,
2268 .get_sset_count = marvell_get_sset_count,
2269 .get_strings = marvell_get_strings,
2270 .get_stats = marvell_get_stats,
2271 },
2272 {
2273 .phy_id = MARVELL_PHY_ID_88E3016,
2274 .phy_id_mask = MARVELL_PHY_ID_MASK,
2275 .name = "Marvell 88E3016",
2276 .features = PHY_BASIC_FEATURES,
2277 .flags = PHY_HAS_INTERRUPT,
2278 .probe = marvell_probe,
2279 .config_init = &m88e3016_config_init,
2280 .aneg_done = &marvell_aneg_done,
2281 .read_status = &marvell_read_status,
2282 .ack_interrupt = &marvell_ack_interrupt,
2283 .config_intr = &marvell_config_intr,
2284 .did_interrupt = &m88e1121_did_interrupt,
2285 .resume = &genphy_resume,
2286 .suspend = &genphy_suspend,
2287 .read_page = marvell_read_page,
2288 .write_page = marvell_write_page,
2289 .get_sset_count = marvell_get_sset_count,
2290 .get_strings = marvell_get_strings,
2291 .get_stats = marvell_get_stats,
2292 },
2293 {
2294 .phy_id = MARVELL_PHY_ID_88E6390,
2295 .phy_id_mask = MARVELL_PHY_ID_MASK,
2296 .name = "Marvell 88E6390",
2297 .features = PHY_GBIT_FEATURES,
2298 .flags = PHY_HAS_INTERRUPT,
2299 .probe = m88e6390_probe,
2300 .config_init = &marvell_config_init,
2301 .config_aneg = &m88e1510_config_aneg,
2302 .read_status = &marvell_read_status,
2303 .ack_interrupt = &marvell_ack_interrupt,
2304 .config_intr = &marvell_config_intr,
2305 .did_interrupt = &m88e1121_did_interrupt,
2306 .resume = &genphy_resume,
2307 .suspend = &genphy_suspend,
2308 .read_page = marvell_read_page,
2309 .write_page = marvell_write_page,
2310 .get_sset_count = marvell_get_sset_count,
2311 .get_strings = marvell_get_strings,
2312 .get_stats = marvell_get_stats,
2313 },
2314};
2315
2316module_phy_driver(marvell_drivers);
2317
2318static struct mdio_device_id __maybe_unused marvell_tbl[] = {
2319 { MARVELL_PHY_ID_88E1101, MARVELL_PHY_ID_MASK },
2320 { MARVELL_PHY_ID_88E1112, MARVELL_PHY_ID_MASK },
2321 { MARVELL_PHY_ID_88E1111, MARVELL_PHY_ID_MASK },
2322 { MARVELL_PHY_ID_88E1118, MARVELL_PHY_ID_MASK },
2323 { MARVELL_PHY_ID_88E1121R, MARVELL_PHY_ID_MASK },
2324 { MARVELL_PHY_ID_88E1145, MARVELL_PHY_ID_MASK },
2325 { MARVELL_PHY_ID_88E1149R, MARVELL_PHY_ID_MASK },
2326 { MARVELL_PHY_ID_88E1240, MARVELL_PHY_ID_MASK },
2327 { MARVELL_PHY_ID_88E1318S, MARVELL_PHY_ID_MASK },
2328 { MARVELL_PHY_ID_88E1116R, MARVELL_PHY_ID_MASK },
2329 { MARVELL_PHY_ID_88E1510, MARVELL_PHY_ID_MASK },
2330 { MARVELL_PHY_ID_88E1540, MARVELL_PHY_ID_MASK },
2331 { MARVELL_PHY_ID_88E1545, MARVELL_PHY_ID_MASK },
2332 { MARVELL_PHY_ID_88E3016, MARVELL_PHY_ID_MASK },
2333 { MARVELL_PHY_ID_88E6390, MARVELL_PHY_ID_MASK },
2334 { }
2335};
2336
2337MODULE_DEVICE_TABLE(mdio, marvell_tbl);
1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * drivers/net/phy/marvell.c
4 *
5 * Driver for Marvell PHYs
6 *
7 * Author: Andy Fleming
8 *
9 * Copyright (c) 2004 Freescale Semiconductor, Inc.
10 *
11 * Copyright (c) 2013 Michael Stapelberg <michael@stapelberg.de>
12 */
13#include <linux/kernel.h>
14#include <linux/string.h>
15#include <linux/ctype.h>
16#include <linux/errno.h>
17#include <linux/unistd.h>
18#include <linux/hwmon.h>
19#include <linux/interrupt.h>
20#include <linux/init.h>
21#include <linux/delay.h>
22#include <linux/netdevice.h>
23#include <linux/etherdevice.h>
24#include <linux/skbuff.h>
25#include <linux/spinlock.h>
26#include <linux/mm.h>
27#include <linux/module.h>
28#include <linux/mii.h>
29#include <linux/ethtool.h>
30#include <linux/ethtool_netlink.h>
31#include <linux/phy.h>
32#include <linux/marvell_phy.h>
33#include <linux/bitfield.h>
34#include <linux/of.h>
35
36#include <linux/io.h>
37#include <asm/irq.h>
38#include <linux/uaccess.h>
39
40#define MII_MARVELL_PHY_PAGE 22
41#define MII_MARVELL_COPPER_PAGE 0x00
42#define MII_MARVELL_FIBER_PAGE 0x01
43#define MII_MARVELL_MSCR_PAGE 0x02
44#define MII_MARVELL_LED_PAGE 0x03
45#define MII_MARVELL_VCT5_PAGE 0x05
46#define MII_MARVELL_MISC_TEST_PAGE 0x06
47#define MII_MARVELL_VCT7_PAGE 0x07
48#define MII_MARVELL_WOL_PAGE 0x11
49
50#define MII_M1011_IEVENT 0x13
51#define MII_M1011_IEVENT_CLEAR 0x0000
52
53#define MII_M1011_IMASK 0x12
54#define MII_M1011_IMASK_INIT 0x6400
55#define MII_M1011_IMASK_CLEAR 0x0000
56
57#define MII_M1011_PHY_SCR 0x10
58#define MII_M1011_PHY_SCR_DOWNSHIFT_EN BIT(11)
59#define MII_M1011_PHY_SCR_DOWNSHIFT_MASK GENMASK(14, 12)
60#define MII_M1011_PHY_SCR_DOWNSHIFT_MAX 8
61#define MII_M1011_PHY_SCR_MDI (0x0 << 5)
62#define MII_M1011_PHY_SCR_MDI_X (0x1 << 5)
63#define MII_M1011_PHY_SCR_AUTO_CROSS (0x3 << 5)
64
65#define MII_M1011_PHY_SSR 0x11
66#define MII_M1011_PHY_SSR_DOWNSHIFT BIT(5)
67
68#define MII_M1111_PHY_LED_CONTROL 0x18
69#define MII_M1111_PHY_LED_DIRECT 0x4100
70#define MII_M1111_PHY_LED_COMBINE 0x411c
71#define MII_M1111_PHY_EXT_CR 0x14
72#define MII_M1111_PHY_EXT_CR_DOWNSHIFT_MASK GENMASK(11, 9)
73#define MII_M1111_PHY_EXT_CR_DOWNSHIFT_MAX 8
74#define MII_M1111_PHY_EXT_CR_DOWNSHIFT_EN BIT(8)
75#define MII_M1111_RGMII_RX_DELAY BIT(7)
76#define MII_M1111_RGMII_TX_DELAY BIT(1)
77#define MII_M1111_PHY_EXT_SR 0x1b
78
79#define MII_M1111_HWCFG_MODE_MASK 0xf
80#define MII_M1111_HWCFG_MODE_FIBER_RGMII 0x3
81#define MII_M1111_HWCFG_MODE_SGMII_NO_CLK 0x4
82#define MII_M1111_HWCFG_MODE_RTBI 0x7
83#define MII_M1111_HWCFG_MODE_COPPER_1000X_AN 0x8
84#define MII_M1111_HWCFG_MODE_COPPER_RTBI 0x9
85#define MII_M1111_HWCFG_MODE_COPPER_RGMII 0xb
86#define MII_M1111_HWCFG_MODE_COPPER_1000X_NOAN 0xc
87#define MII_M1111_HWCFG_SERIAL_AN_BYPASS BIT(12)
88#define MII_M1111_HWCFG_FIBER_COPPER_RES BIT(13)
89#define MII_M1111_HWCFG_FIBER_COPPER_AUTO BIT(15)
90
91#define MII_88E1121_PHY_MSCR_REG 21
92#define MII_88E1121_PHY_MSCR_RX_DELAY BIT(5)
93#define MII_88E1121_PHY_MSCR_TX_DELAY BIT(4)
94#define MII_88E1121_PHY_MSCR_DELAY_MASK (BIT(5) | BIT(4))
95
96#define MII_88E1121_MISC_TEST 0x1a
97#define MII_88E1510_MISC_TEST_TEMP_THRESHOLD_MASK 0x1f00
98#define MII_88E1510_MISC_TEST_TEMP_THRESHOLD_SHIFT 8
99#define MII_88E1510_MISC_TEST_TEMP_IRQ_EN BIT(7)
100#define MII_88E1510_MISC_TEST_TEMP_IRQ BIT(6)
101#define MII_88E1121_MISC_TEST_TEMP_SENSOR_EN BIT(5)
102#define MII_88E1121_MISC_TEST_TEMP_MASK 0x1f
103
104#define MII_88E1510_TEMP_SENSOR 0x1b
105#define MII_88E1510_TEMP_SENSOR_MASK 0xff
106
107#define MII_88E1540_COPPER_CTRL3 0x1a
108#define MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_MASK GENMASK(11, 10)
109#define MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_00MS 0
110#define MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_10MS 1
111#define MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_20MS 2
112#define MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_40MS 3
113#define MII_88E1540_COPPER_CTRL3_FAST_LINK_DOWN BIT(9)
114
115#define MII_88E6390_MISC_TEST 0x1b
116#define MII_88E6390_MISC_TEST_TEMP_SENSOR_ENABLE_SAMPLE_1S (0x0 << 14)
117#define MII_88E6390_MISC_TEST_TEMP_SENSOR_ENABLE (0x1 << 14)
118#define MII_88E6390_MISC_TEST_TEMP_SENSOR_ENABLE_ONESHOT (0x2 << 14)
119#define MII_88E6390_MISC_TEST_TEMP_SENSOR_DISABLE (0x3 << 14)
120#define MII_88E6390_MISC_TEST_TEMP_SENSOR_MASK (0x3 << 14)
121#define MII_88E6393_MISC_TEST_SAMPLES_2048 (0x0 << 11)
122#define MII_88E6393_MISC_TEST_SAMPLES_4096 (0x1 << 11)
123#define MII_88E6393_MISC_TEST_SAMPLES_8192 (0x2 << 11)
124#define MII_88E6393_MISC_TEST_SAMPLES_16384 (0x3 << 11)
125#define MII_88E6393_MISC_TEST_SAMPLES_MASK (0x3 << 11)
126#define MII_88E6393_MISC_TEST_RATE_2_3MS (0x5 << 8)
127#define MII_88E6393_MISC_TEST_RATE_6_4MS (0x6 << 8)
128#define MII_88E6393_MISC_TEST_RATE_11_9MS (0x7 << 8)
129#define MII_88E6393_MISC_TEST_RATE_MASK (0x7 << 8)
130
131#define MII_88E6390_TEMP_SENSOR 0x1c
132#define MII_88E6393_TEMP_SENSOR_THRESHOLD_MASK 0xff00
133#define MII_88E6393_TEMP_SENSOR_THRESHOLD_SHIFT 8
134#define MII_88E6390_TEMP_SENSOR_MASK 0xff
135#define MII_88E6390_TEMP_SENSOR_SAMPLES 10
136
137#define MII_88E1318S_PHY_MSCR1_REG 16
138#define MII_88E1318S_PHY_MSCR1_PAD_ODD BIT(6)
139
140/* Copper Specific Interrupt Enable Register */
141#define MII_88E1318S_PHY_CSIER 0x12
142/* WOL Event Interrupt Enable */
143#define MII_88E1318S_PHY_CSIER_WOL_EIE BIT(7)
144
145/* LED Timer Control Register */
146#define MII_88E1318S_PHY_LED_TCR 0x12
147#define MII_88E1318S_PHY_LED_TCR_FORCE_INT BIT(15)
148#define MII_88E1318S_PHY_LED_TCR_INTn_ENABLE BIT(7)
149#define MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW BIT(11)
150
151/* Magic Packet MAC address registers */
152#define MII_88E1318S_PHY_MAGIC_PACKET_WORD2 0x17
153#define MII_88E1318S_PHY_MAGIC_PACKET_WORD1 0x18
154#define MII_88E1318S_PHY_MAGIC_PACKET_WORD0 0x19
155
156#define MII_88E1318S_PHY_WOL_CTRL 0x10
157#define MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS BIT(12)
158#define MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE BIT(14)
159
160#define MII_PHY_LED_CTRL 16
161#define MII_88E1121_PHY_LED_DEF 0x0030
162#define MII_88E1510_PHY_LED_DEF 0x1177
163#define MII_88E1510_PHY_LED0_LINK_LED1_ACTIVE 0x1040
164
165#define MII_M1011_PHY_STATUS 0x11
166#define MII_M1011_PHY_STATUS_1000 0x8000
167#define MII_M1011_PHY_STATUS_100 0x4000
168#define MII_M1011_PHY_STATUS_SPD_MASK 0xc000
169#define MII_M1011_PHY_STATUS_FULLDUPLEX 0x2000
170#define MII_M1011_PHY_STATUS_RESOLVED 0x0800
171#define MII_M1011_PHY_STATUS_LINK 0x0400
172
173#define MII_88E3016_PHY_SPEC_CTRL 0x10
174#define MII_88E3016_DISABLE_SCRAMBLER 0x0200
175#define MII_88E3016_AUTO_MDIX_CROSSOVER 0x0030
176
177#define MII_88E1510_GEN_CTRL_REG_1 0x14
178#define MII_88E1510_GEN_CTRL_REG_1_MODE_MASK 0x7
179#define MII_88E1510_GEN_CTRL_REG_1_MODE_SGMII 0x1 /* SGMII to copper */
180#define MII_88E1510_GEN_CTRL_REG_1_RESET 0x8000 /* Soft reset */
181
182#define MII_VCT5_TX_RX_MDI0_COUPLING 0x10
183#define MII_VCT5_TX_RX_MDI1_COUPLING 0x11
184#define MII_VCT5_TX_RX_MDI2_COUPLING 0x12
185#define MII_VCT5_TX_RX_MDI3_COUPLING 0x13
186#define MII_VCT5_TX_RX_AMPLITUDE_MASK 0x7f00
187#define MII_VCT5_TX_RX_AMPLITUDE_SHIFT 8
188#define MII_VCT5_TX_RX_COUPLING_POSITIVE_REFLECTION BIT(15)
189
190#define MII_VCT5_CTRL 0x17
191#define MII_VCT5_CTRL_ENABLE BIT(15)
192#define MII_VCT5_CTRL_COMPLETE BIT(14)
193#define MII_VCT5_CTRL_TX_SAME_CHANNEL (0x0 << 11)
194#define MII_VCT5_CTRL_TX0_CHANNEL (0x4 << 11)
195#define MII_VCT5_CTRL_TX1_CHANNEL (0x5 << 11)
196#define MII_VCT5_CTRL_TX2_CHANNEL (0x6 << 11)
197#define MII_VCT5_CTRL_TX3_CHANNEL (0x7 << 11)
198#define MII_VCT5_CTRL_SAMPLES_2 (0x0 << 8)
199#define MII_VCT5_CTRL_SAMPLES_4 (0x1 << 8)
200#define MII_VCT5_CTRL_SAMPLES_8 (0x2 << 8)
201#define MII_VCT5_CTRL_SAMPLES_16 (0x3 << 8)
202#define MII_VCT5_CTRL_SAMPLES_32 (0x4 << 8)
203#define MII_VCT5_CTRL_SAMPLES_64 (0x5 << 8)
204#define MII_VCT5_CTRL_SAMPLES_128 (0x6 << 8)
205#define MII_VCT5_CTRL_SAMPLES_DEFAULT (0x6 << 8)
206#define MII_VCT5_CTRL_SAMPLES_256 (0x7 << 8)
207#define MII_VCT5_CTRL_SAMPLES_SHIFT 8
208#define MII_VCT5_CTRL_MODE_MAXIMUM_PEEK (0x0 << 6)
209#define MII_VCT5_CTRL_MODE_FIRST_LAST_PEEK (0x1 << 6)
210#define MII_VCT5_CTRL_MODE_OFFSET (0x2 << 6)
211#define MII_VCT5_CTRL_SAMPLE_POINT (0x3 << 6)
212#define MII_VCT5_CTRL_PEEK_HYST_DEFAULT 3
213
214#define MII_VCT5_SAMPLE_POINT_DISTANCE 0x18
215#define MII_VCT5_SAMPLE_POINT_DISTANCE_MAX 511
216#define MII_VCT5_TX_PULSE_CTRL 0x1c
217#define MII_VCT5_TX_PULSE_CTRL_DONT_WAIT_LINK_DOWN BIT(12)
218#define MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_128nS (0x0 << 10)
219#define MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_96nS (0x1 << 10)
220#define MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_64nS (0x2 << 10)
221#define MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_32nS (0x3 << 10)
222#define MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_SHIFT 10
223#define MII_VCT5_TX_PULSE_CTRL_PULSE_AMPLITUDE_1000mV (0x0 << 8)
224#define MII_VCT5_TX_PULSE_CTRL_PULSE_AMPLITUDE_750mV (0x1 << 8)
225#define MII_VCT5_TX_PULSE_CTRL_PULSE_AMPLITUDE_500mV (0x2 << 8)
226#define MII_VCT5_TX_PULSE_CTRL_PULSE_AMPLITUDE_250mV (0x3 << 8)
227#define MII_VCT5_TX_PULSE_CTRL_PULSE_AMPLITUDE_SHIFT 8
228#define MII_VCT5_TX_PULSE_CTRL_MAX_AMP BIT(7)
229#define MII_VCT5_TX_PULSE_CTRL_GT_140m_46_86mV (0x6 << 0)
230
231/* For TDR measurements less than 11 meters, a short pulse should be
232 * used.
233 */
234#define TDR_SHORT_CABLE_LENGTH 11
235
236#define MII_VCT7_PAIR_0_DISTANCE 0x10
237#define MII_VCT7_PAIR_1_DISTANCE 0x11
238#define MII_VCT7_PAIR_2_DISTANCE 0x12
239#define MII_VCT7_PAIR_3_DISTANCE 0x13
240
241#define MII_VCT7_RESULTS 0x14
242#define MII_VCT7_RESULTS_PAIR3_MASK 0xf000
243#define MII_VCT7_RESULTS_PAIR2_MASK 0x0f00
244#define MII_VCT7_RESULTS_PAIR1_MASK 0x00f0
245#define MII_VCT7_RESULTS_PAIR0_MASK 0x000f
246#define MII_VCT7_RESULTS_PAIR3_SHIFT 12
247#define MII_VCT7_RESULTS_PAIR2_SHIFT 8
248#define MII_VCT7_RESULTS_PAIR1_SHIFT 4
249#define MII_VCT7_RESULTS_PAIR0_SHIFT 0
250#define MII_VCT7_RESULTS_INVALID 0
251#define MII_VCT7_RESULTS_OK 1
252#define MII_VCT7_RESULTS_OPEN 2
253#define MII_VCT7_RESULTS_SAME_SHORT 3
254#define MII_VCT7_RESULTS_CROSS_SHORT 4
255#define MII_VCT7_RESULTS_BUSY 9
256
257#define MII_VCT7_CTRL 0x15
258#define MII_VCT7_CTRL_RUN_NOW BIT(15)
259#define MII_VCT7_CTRL_RUN_ANEG BIT(14)
260#define MII_VCT7_CTRL_DISABLE_CROSS BIT(13)
261#define MII_VCT7_CTRL_RUN_AFTER_BREAK_LINK BIT(12)
262#define MII_VCT7_CTRL_IN_PROGRESS BIT(11)
263#define MII_VCT7_CTRL_METERS BIT(10)
264#define MII_VCT7_CTRL_CENTIMETERS 0
265
266#define LPA_PAUSE_FIBER 0x180
267#define LPA_PAUSE_ASYM_FIBER 0x100
268
269#define NB_FIBER_STATS 1
270
271MODULE_DESCRIPTION("Marvell PHY driver");
272MODULE_AUTHOR("Andy Fleming");
273MODULE_LICENSE("GPL");
274
275struct marvell_hw_stat {
276 const char *string;
277 u8 page;
278 u8 reg;
279 u8 bits;
280};
281
282static struct marvell_hw_stat marvell_hw_stats[] = {
283 { "phy_receive_errors_copper", 0, 21, 16},
284 { "phy_idle_errors", 0, 10, 8 },
285 { "phy_receive_errors_fiber", 1, 21, 16},
286};
287
288struct marvell_priv {
289 u64 stats[ARRAY_SIZE(marvell_hw_stats)];
290 char *hwmon_name;
291 struct device *hwmon_dev;
292 bool cable_test_tdr;
293 u32 first;
294 u32 last;
295 u32 step;
296 s8 pair;
297};
298
299static int marvell_read_page(struct phy_device *phydev)
300{
301 return __phy_read(phydev, MII_MARVELL_PHY_PAGE);
302}
303
304static int marvell_write_page(struct phy_device *phydev, int page)
305{
306 return __phy_write(phydev, MII_MARVELL_PHY_PAGE, page);
307}
308
309static int marvell_set_page(struct phy_device *phydev, int page)
310{
311 return phy_write(phydev, MII_MARVELL_PHY_PAGE, page);
312}
313
314static int marvell_ack_interrupt(struct phy_device *phydev)
315{
316 int err;
317
318 /* Clear the interrupts by reading the reg */
319 err = phy_read(phydev, MII_M1011_IEVENT);
320
321 if (err < 0)
322 return err;
323
324 return 0;
325}
326
327static int marvell_config_intr(struct phy_device *phydev)
328{
329 int err;
330
331 if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
332 err = marvell_ack_interrupt(phydev);
333 if (err)
334 return err;
335
336 err = phy_write(phydev, MII_M1011_IMASK,
337 MII_M1011_IMASK_INIT);
338 } else {
339 err = phy_write(phydev, MII_M1011_IMASK,
340 MII_M1011_IMASK_CLEAR);
341 if (err)
342 return err;
343
344 err = marvell_ack_interrupt(phydev);
345 }
346
347 return err;
348}
349
350static irqreturn_t marvell_handle_interrupt(struct phy_device *phydev)
351{
352 int irq_status;
353
354 irq_status = phy_read(phydev, MII_M1011_IEVENT);
355 if (irq_status < 0) {
356 phy_error(phydev);
357 return IRQ_NONE;
358 }
359
360 if (!(irq_status & MII_M1011_IMASK_INIT))
361 return IRQ_NONE;
362
363 phy_trigger_machine(phydev);
364
365 return IRQ_HANDLED;
366}
367
368static int marvell_set_polarity(struct phy_device *phydev, int polarity)
369{
370 u16 val;
371
372 switch (polarity) {
373 case ETH_TP_MDI:
374 val = MII_M1011_PHY_SCR_MDI;
375 break;
376 case ETH_TP_MDI_X:
377 val = MII_M1011_PHY_SCR_MDI_X;
378 break;
379 case ETH_TP_MDI_AUTO:
380 case ETH_TP_MDI_INVALID:
381 default:
382 val = MII_M1011_PHY_SCR_AUTO_CROSS;
383 break;
384 }
385
386 return phy_modify_changed(phydev, MII_M1011_PHY_SCR,
387 MII_M1011_PHY_SCR_AUTO_CROSS, val);
388}
389
390static int marvell_config_aneg(struct phy_device *phydev)
391{
392 int changed = 0;
393 int err;
394
395 err = marvell_set_polarity(phydev, phydev->mdix_ctrl);
396 if (err < 0)
397 return err;
398
399 changed = err;
400
401 err = phy_write(phydev, MII_M1111_PHY_LED_CONTROL,
402 MII_M1111_PHY_LED_DIRECT);
403 if (err < 0)
404 return err;
405
406 err = genphy_config_aneg(phydev);
407 if (err < 0)
408 return err;
409
410 if (phydev->autoneg != AUTONEG_ENABLE || changed) {
411 /* A write to speed/duplex bits (that is performed by
412 * genphy_config_aneg() call above) must be followed by
413 * a software reset. Otherwise, the write has no effect.
414 */
415 err = genphy_soft_reset(phydev);
416 if (err < 0)
417 return err;
418 }
419
420 return 0;
421}
422
423static int m88e1101_config_aneg(struct phy_device *phydev)
424{
425 int err;
426
427 /* This Marvell PHY has an errata which requires
428 * that certain registers get written in order
429 * to restart autonegotiation
430 */
431 err = genphy_soft_reset(phydev);
432 if (err < 0)
433 return err;
434
435 err = phy_write(phydev, 0x1d, 0x1f);
436 if (err < 0)
437 return err;
438
439 err = phy_write(phydev, 0x1e, 0x200c);
440 if (err < 0)
441 return err;
442
443 err = phy_write(phydev, 0x1d, 0x5);
444 if (err < 0)
445 return err;
446
447 err = phy_write(phydev, 0x1e, 0);
448 if (err < 0)
449 return err;
450
451 err = phy_write(phydev, 0x1e, 0x100);
452 if (err < 0)
453 return err;
454
455 return marvell_config_aneg(phydev);
456}
457
458#if IS_ENABLED(CONFIG_OF_MDIO)
459/* Set and/or override some configuration registers based on the
460 * marvell,reg-init property stored in the of_node for the phydev.
461 *
462 * marvell,reg-init = <reg-page reg mask value>,...;
463 *
464 * There may be one or more sets of <reg-page reg mask value>:
465 *
466 * reg-page: which register bank to use.
467 * reg: the register.
468 * mask: if non-zero, ANDed with existing register value.
469 * value: ORed with the masked value and written to the regiser.
470 *
471 */
472static int marvell_of_reg_init(struct phy_device *phydev)
473{
474 const __be32 *paddr;
475 int len, i, saved_page, current_page, ret = 0;
476
477 if (!phydev->mdio.dev.of_node)
478 return 0;
479
480 paddr = of_get_property(phydev->mdio.dev.of_node,
481 "marvell,reg-init", &len);
482 if (!paddr || len < (4 * sizeof(*paddr)))
483 return 0;
484
485 saved_page = phy_save_page(phydev);
486 if (saved_page < 0)
487 goto err;
488 current_page = saved_page;
489
490 len /= sizeof(*paddr);
491 for (i = 0; i < len - 3; i += 4) {
492 u16 page = be32_to_cpup(paddr + i);
493 u16 reg = be32_to_cpup(paddr + i + 1);
494 u16 mask = be32_to_cpup(paddr + i + 2);
495 u16 val_bits = be32_to_cpup(paddr + i + 3);
496 int val;
497
498 if (page != current_page) {
499 current_page = page;
500 ret = marvell_write_page(phydev, page);
501 if (ret < 0)
502 goto err;
503 }
504
505 val = 0;
506 if (mask) {
507 val = __phy_read(phydev, reg);
508 if (val < 0) {
509 ret = val;
510 goto err;
511 }
512 val &= mask;
513 }
514 val |= val_bits;
515
516 ret = __phy_write(phydev, reg, val);
517 if (ret < 0)
518 goto err;
519 }
520err:
521 return phy_restore_page(phydev, saved_page, ret);
522}
523#else
524static int marvell_of_reg_init(struct phy_device *phydev)
525{
526 return 0;
527}
528#endif /* CONFIG_OF_MDIO */
529
530static int m88e1121_config_aneg_rgmii_delays(struct phy_device *phydev)
531{
532 int mscr;
533
534 if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
535 mscr = MII_88E1121_PHY_MSCR_RX_DELAY |
536 MII_88E1121_PHY_MSCR_TX_DELAY;
537 else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID)
538 mscr = MII_88E1121_PHY_MSCR_RX_DELAY;
539 else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)
540 mscr = MII_88E1121_PHY_MSCR_TX_DELAY;
541 else
542 mscr = 0;
543
544 return phy_modify_paged(phydev, MII_MARVELL_MSCR_PAGE,
545 MII_88E1121_PHY_MSCR_REG,
546 MII_88E1121_PHY_MSCR_DELAY_MASK, mscr);
547}
548
549static int m88e1121_config_aneg(struct phy_device *phydev)
550{
551 int changed = 0;
552 int err = 0;
553
554 if (phy_interface_is_rgmii(phydev)) {
555 err = m88e1121_config_aneg_rgmii_delays(phydev);
556 if (err < 0)
557 return err;
558 }
559
560 err = marvell_set_polarity(phydev, phydev->mdix_ctrl);
561 if (err < 0)
562 return err;
563
564 changed = err;
565
566 err = genphy_config_aneg(phydev);
567 if (err < 0)
568 return err;
569
570 if (phydev->autoneg != AUTONEG_ENABLE || changed) {
571 /* A software reset is used to ensure a "commit" of the
572 * changes is done.
573 */
574 err = genphy_soft_reset(phydev);
575 if (err < 0)
576 return err;
577 }
578
579 return 0;
580}
581
582static int m88e1318_config_aneg(struct phy_device *phydev)
583{
584 int err;
585
586 err = phy_modify_paged(phydev, MII_MARVELL_MSCR_PAGE,
587 MII_88E1318S_PHY_MSCR1_REG,
588 0, MII_88E1318S_PHY_MSCR1_PAD_ODD);
589 if (err < 0)
590 return err;
591
592 return m88e1121_config_aneg(phydev);
593}
594
595/**
596 * linkmode_adv_to_fiber_adv_t
597 * @advertise: the linkmode advertisement settings
598 *
599 * A small helper function that translates linkmode advertisement
600 * settings to phy autonegotiation advertisements for the MII_ADV
601 * register for fiber link.
602 */
603static inline u32 linkmode_adv_to_fiber_adv_t(unsigned long *advertise)
604{
605 u32 result = 0;
606
607 if (linkmode_test_bit(ETHTOOL_LINK_MODE_1000baseT_Half_BIT, advertise))
608 result |= ADVERTISE_1000XHALF;
609 if (linkmode_test_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, advertise))
610 result |= ADVERTISE_1000XFULL;
611
612 if (linkmode_test_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, advertise) &&
613 linkmode_test_bit(ETHTOOL_LINK_MODE_Pause_BIT, advertise))
614 result |= ADVERTISE_1000XPSE_ASYM;
615 else if (linkmode_test_bit(ETHTOOL_LINK_MODE_Pause_BIT, advertise))
616 result |= ADVERTISE_1000XPAUSE;
617
618 return result;
619}
620
621/**
622 * marvell_config_aneg_fiber - restart auto-negotiation or write BMCR
623 * @phydev: target phy_device struct
624 *
625 * Description: If auto-negotiation is enabled, we configure the
626 * advertising, and then restart auto-negotiation. If it is not
627 * enabled, then we write the BMCR. Adapted for fiber link in
628 * some Marvell's devices.
629 */
630static int marvell_config_aneg_fiber(struct phy_device *phydev)
631{
632 int changed = 0;
633 int err;
634 u16 adv;
635
636 if (phydev->autoneg != AUTONEG_ENABLE)
637 return genphy_setup_forced(phydev);
638
639 /* Only allow advertising what this PHY supports */
640 linkmode_and(phydev->advertising, phydev->advertising,
641 phydev->supported);
642
643 adv = linkmode_adv_to_fiber_adv_t(phydev->advertising);
644
645 /* Setup fiber advertisement */
646 err = phy_modify_changed(phydev, MII_ADVERTISE,
647 ADVERTISE_1000XHALF | ADVERTISE_1000XFULL |
648 ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM,
649 adv);
650 if (err < 0)
651 return err;
652 if (err > 0)
653 changed = 1;
654
655 return genphy_check_and_restart_aneg(phydev, changed);
656}
657
658static int m88e1111_config_aneg(struct phy_device *phydev)
659{
660 int extsr = phy_read(phydev, MII_M1111_PHY_EXT_SR);
661 int err;
662
663 if (extsr < 0)
664 return extsr;
665
666 /* If not using SGMII or copper 1000BaseX modes, use normal process.
667 * Steps below are only required for these modes.
668 */
669 if (phydev->interface != PHY_INTERFACE_MODE_SGMII &&
670 (extsr & MII_M1111_HWCFG_MODE_MASK) !=
671 MII_M1111_HWCFG_MODE_COPPER_1000X_AN)
672 return marvell_config_aneg(phydev);
673
674 err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
675 if (err < 0)
676 goto error;
677
678 /* Configure the copper link first */
679 err = marvell_config_aneg(phydev);
680 if (err < 0)
681 goto error;
682
683 /* Then the fiber link */
684 err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE);
685 if (err < 0)
686 goto error;
687
688 if (phydev->interface == PHY_INTERFACE_MODE_SGMII)
689 /* Do not touch the fiber advertisement if we're in copper->sgmii mode.
690 * Just ensure that SGMII-side autonegotiation is enabled.
691 * If we switched from some other mode to SGMII it may not be.
692 */
693 err = genphy_check_and_restart_aneg(phydev, false);
694 else
695 err = marvell_config_aneg_fiber(phydev);
696 if (err < 0)
697 goto error;
698
699 return marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
700
701error:
702 marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
703 return err;
704}
705
706static int m88e1510_config_aneg(struct phy_device *phydev)
707{
708 int err;
709
710 err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
711 if (err < 0)
712 goto error;
713
714 /* Configure the copper link first */
715 err = m88e1318_config_aneg(phydev);
716 if (err < 0)
717 goto error;
718
719 /* Do not touch the fiber page if we're in copper->sgmii mode */
720 if (phydev->interface == PHY_INTERFACE_MODE_SGMII)
721 return 0;
722
723 /* Then the fiber link */
724 err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE);
725 if (err < 0)
726 goto error;
727
728 err = marvell_config_aneg_fiber(phydev);
729 if (err < 0)
730 goto error;
731
732 return marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
733
734error:
735 marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
736 return err;
737}
738
739static void marvell_config_led(struct phy_device *phydev)
740{
741 u16 def_config;
742 int err;
743
744 switch (MARVELL_PHY_FAMILY_ID(phydev->phy_id)) {
745 /* Default PHY LED config: LED[0] .. Link, LED[1] .. Activity */
746 case MARVELL_PHY_FAMILY_ID(MARVELL_PHY_ID_88E1121R):
747 case MARVELL_PHY_FAMILY_ID(MARVELL_PHY_ID_88E1318S):
748 def_config = MII_88E1121_PHY_LED_DEF;
749 break;
750 /* Default PHY LED config:
751 * LED[0] .. 1000Mbps Link
752 * LED[1] .. 100Mbps Link
753 * LED[2] .. Blink, Activity
754 */
755 case MARVELL_PHY_FAMILY_ID(MARVELL_PHY_ID_88E1510):
756 if (phydev->dev_flags & MARVELL_PHY_LED0_LINK_LED1_ACTIVE)
757 def_config = MII_88E1510_PHY_LED0_LINK_LED1_ACTIVE;
758 else
759 def_config = MII_88E1510_PHY_LED_DEF;
760 break;
761 default:
762 return;
763 }
764
765 err = phy_write_paged(phydev, MII_MARVELL_LED_PAGE, MII_PHY_LED_CTRL,
766 def_config);
767 if (err < 0)
768 phydev_warn(phydev, "Fail to config marvell phy LED.\n");
769}
770
771static int marvell_config_init(struct phy_device *phydev)
772{
773 /* Set default LED */
774 marvell_config_led(phydev);
775
776 /* Set registers from marvell,reg-init DT property */
777 return marvell_of_reg_init(phydev);
778}
779
780static int m88e3016_config_init(struct phy_device *phydev)
781{
782 int ret;
783
784 /* Enable Scrambler and Auto-Crossover */
785 ret = phy_modify(phydev, MII_88E3016_PHY_SPEC_CTRL,
786 MII_88E3016_DISABLE_SCRAMBLER,
787 MII_88E3016_AUTO_MDIX_CROSSOVER);
788 if (ret < 0)
789 return ret;
790
791 return marvell_config_init(phydev);
792}
793
794static int m88e1111_config_init_hwcfg_mode(struct phy_device *phydev,
795 u16 mode,
796 int fibre_copper_auto)
797{
798 if (fibre_copper_auto)
799 mode |= MII_M1111_HWCFG_FIBER_COPPER_AUTO;
800
801 return phy_modify(phydev, MII_M1111_PHY_EXT_SR,
802 MII_M1111_HWCFG_MODE_MASK |
803 MII_M1111_HWCFG_FIBER_COPPER_AUTO |
804 MII_M1111_HWCFG_FIBER_COPPER_RES,
805 mode);
806}
807
808static int m88e1111_config_init_rgmii_delays(struct phy_device *phydev)
809{
810 int delay;
811
812 switch (phydev->interface) {
813 case PHY_INTERFACE_MODE_RGMII_ID:
814 delay = MII_M1111_RGMII_RX_DELAY | MII_M1111_RGMII_TX_DELAY;
815 break;
816 case PHY_INTERFACE_MODE_RGMII_RXID:
817 delay = MII_M1111_RGMII_RX_DELAY;
818 break;
819 case PHY_INTERFACE_MODE_RGMII_TXID:
820 delay = MII_M1111_RGMII_TX_DELAY;
821 break;
822 default:
823 delay = 0;
824 break;
825 }
826
827 return phy_modify(phydev, MII_M1111_PHY_EXT_CR,
828 MII_M1111_RGMII_RX_DELAY | MII_M1111_RGMII_TX_DELAY,
829 delay);
830}
831
832static int m88e1111_config_init_rgmii(struct phy_device *phydev)
833{
834 int temp;
835 int err;
836
837 err = m88e1111_config_init_rgmii_delays(phydev);
838 if (err < 0)
839 return err;
840
841 temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
842 if (temp < 0)
843 return temp;
844
845 temp &= ~(MII_M1111_HWCFG_MODE_MASK);
846
847 if (temp & MII_M1111_HWCFG_FIBER_COPPER_RES)
848 temp |= MII_M1111_HWCFG_MODE_FIBER_RGMII;
849 else
850 temp |= MII_M1111_HWCFG_MODE_COPPER_RGMII;
851
852 return phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
853}
854
855static int m88e1111_config_init_sgmii(struct phy_device *phydev)
856{
857 int err;
858
859 err = m88e1111_config_init_hwcfg_mode(
860 phydev,
861 MII_M1111_HWCFG_MODE_SGMII_NO_CLK,
862 MII_M1111_HWCFG_FIBER_COPPER_AUTO);
863 if (err < 0)
864 return err;
865
866 /* make sure copper is selected */
867 return marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
868}
869
870static int m88e1111_config_init_rtbi(struct phy_device *phydev)
871{
872 int err;
873
874 err = m88e1111_config_init_rgmii_delays(phydev);
875 if (err < 0)
876 return err;
877
878 err = m88e1111_config_init_hwcfg_mode(
879 phydev,
880 MII_M1111_HWCFG_MODE_RTBI,
881 MII_M1111_HWCFG_FIBER_COPPER_AUTO);
882 if (err < 0)
883 return err;
884
885 /* soft reset */
886 err = genphy_soft_reset(phydev);
887 if (err < 0)
888 return err;
889
890 return m88e1111_config_init_hwcfg_mode(
891 phydev,
892 MII_M1111_HWCFG_MODE_RTBI,
893 MII_M1111_HWCFG_FIBER_COPPER_AUTO);
894}
895
896static int m88e1111_config_init_1000basex(struct phy_device *phydev)
897{
898 int extsr = phy_read(phydev, MII_M1111_PHY_EXT_SR);
899 int err, mode;
900
901 if (extsr < 0)
902 return extsr;
903
904 /* If using copper mode, ensure 1000BaseX auto-negotiation is enabled */
905 mode = extsr & MII_M1111_HWCFG_MODE_MASK;
906 if (mode == MII_M1111_HWCFG_MODE_COPPER_1000X_NOAN) {
907 err = phy_modify(phydev, MII_M1111_PHY_EXT_SR,
908 MII_M1111_HWCFG_MODE_MASK |
909 MII_M1111_HWCFG_SERIAL_AN_BYPASS,
910 MII_M1111_HWCFG_MODE_COPPER_1000X_AN |
911 MII_M1111_HWCFG_SERIAL_AN_BYPASS);
912 if (err < 0)
913 return err;
914 }
915 return 0;
916}
917
918static int m88e1111_config_init(struct phy_device *phydev)
919{
920 int err;
921
922 if (phy_interface_is_rgmii(phydev)) {
923 err = m88e1111_config_init_rgmii(phydev);
924 if (err < 0)
925 return err;
926 }
927
928 if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
929 err = m88e1111_config_init_sgmii(phydev);
930 if (err < 0)
931 return err;
932 }
933
934 if (phydev->interface == PHY_INTERFACE_MODE_RTBI) {
935 err = m88e1111_config_init_rtbi(phydev);
936 if (err < 0)
937 return err;
938 }
939
940 if (phydev->interface == PHY_INTERFACE_MODE_1000BASEX) {
941 err = m88e1111_config_init_1000basex(phydev);
942 if (err < 0)
943 return err;
944 }
945
946 err = marvell_of_reg_init(phydev);
947 if (err < 0)
948 return err;
949
950 return genphy_soft_reset(phydev);
951}
952
953static int m88e1111_get_downshift(struct phy_device *phydev, u8 *data)
954{
955 int val, cnt, enable;
956
957 val = phy_read(phydev, MII_M1111_PHY_EXT_CR);
958 if (val < 0)
959 return val;
960
961 enable = FIELD_GET(MII_M1111_PHY_EXT_CR_DOWNSHIFT_EN, val);
962 cnt = FIELD_GET(MII_M1111_PHY_EXT_CR_DOWNSHIFT_MASK, val) + 1;
963
964 *data = enable ? cnt : DOWNSHIFT_DEV_DISABLE;
965
966 return 0;
967}
968
969static int m88e1111_set_downshift(struct phy_device *phydev, u8 cnt)
970{
971 int val, err;
972
973 if (cnt > MII_M1111_PHY_EXT_CR_DOWNSHIFT_MAX)
974 return -E2BIG;
975
976 if (!cnt) {
977 err = phy_clear_bits(phydev, MII_M1111_PHY_EXT_CR,
978 MII_M1111_PHY_EXT_CR_DOWNSHIFT_EN);
979 } else {
980 val = MII_M1111_PHY_EXT_CR_DOWNSHIFT_EN;
981 val |= FIELD_PREP(MII_M1111_PHY_EXT_CR_DOWNSHIFT_MASK, cnt - 1);
982
983 err = phy_modify(phydev, MII_M1111_PHY_EXT_CR,
984 MII_M1111_PHY_EXT_CR_DOWNSHIFT_EN |
985 MII_M1111_PHY_EXT_CR_DOWNSHIFT_MASK,
986 val);
987 }
988
989 if (err < 0)
990 return err;
991
992 return genphy_soft_reset(phydev);
993}
994
995static int m88e1111_get_tunable(struct phy_device *phydev,
996 struct ethtool_tunable *tuna, void *data)
997{
998 switch (tuna->id) {
999 case ETHTOOL_PHY_DOWNSHIFT:
1000 return m88e1111_get_downshift(phydev, data);
1001 default:
1002 return -EOPNOTSUPP;
1003 }
1004}
1005
1006static int m88e1111_set_tunable(struct phy_device *phydev,
1007 struct ethtool_tunable *tuna, const void *data)
1008{
1009 switch (tuna->id) {
1010 case ETHTOOL_PHY_DOWNSHIFT:
1011 return m88e1111_set_downshift(phydev, *(const u8 *)data);
1012 default:
1013 return -EOPNOTSUPP;
1014 }
1015}
1016
1017static int m88e1011_get_downshift(struct phy_device *phydev, u8 *data)
1018{
1019 int val, cnt, enable;
1020
1021 val = phy_read(phydev, MII_M1011_PHY_SCR);
1022 if (val < 0)
1023 return val;
1024
1025 enable = FIELD_GET(MII_M1011_PHY_SCR_DOWNSHIFT_EN, val);
1026 cnt = FIELD_GET(MII_M1011_PHY_SCR_DOWNSHIFT_MASK, val) + 1;
1027
1028 *data = enable ? cnt : DOWNSHIFT_DEV_DISABLE;
1029
1030 return 0;
1031}
1032
1033static int m88e1011_set_downshift(struct phy_device *phydev, u8 cnt)
1034{
1035 int val, err;
1036
1037 if (cnt > MII_M1011_PHY_SCR_DOWNSHIFT_MAX)
1038 return -E2BIG;
1039
1040 if (!cnt) {
1041 err = phy_clear_bits(phydev, MII_M1011_PHY_SCR,
1042 MII_M1011_PHY_SCR_DOWNSHIFT_EN);
1043 } else {
1044 val = MII_M1011_PHY_SCR_DOWNSHIFT_EN;
1045 val |= FIELD_PREP(MII_M1011_PHY_SCR_DOWNSHIFT_MASK, cnt - 1);
1046
1047 err = phy_modify(phydev, MII_M1011_PHY_SCR,
1048 MII_M1011_PHY_SCR_DOWNSHIFT_EN |
1049 MII_M1011_PHY_SCR_DOWNSHIFT_MASK,
1050 val);
1051 }
1052
1053 if (err < 0)
1054 return err;
1055
1056 return genphy_soft_reset(phydev);
1057}
1058
1059static int m88e1011_get_tunable(struct phy_device *phydev,
1060 struct ethtool_tunable *tuna, void *data)
1061{
1062 switch (tuna->id) {
1063 case ETHTOOL_PHY_DOWNSHIFT:
1064 return m88e1011_get_downshift(phydev, data);
1065 default:
1066 return -EOPNOTSUPP;
1067 }
1068}
1069
1070static int m88e1011_set_tunable(struct phy_device *phydev,
1071 struct ethtool_tunable *tuna, const void *data)
1072{
1073 switch (tuna->id) {
1074 case ETHTOOL_PHY_DOWNSHIFT:
1075 return m88e1011_set_downshift(phydev, *(const u8 *)data);
1076 default:
1077 return -EOPNOTSUPP;
1078 }
1079}
1080
1081static int m88e1112_config_init(struct phy_device *phydev)
1082{
1083 int err;
1084
1085 err = m88e1011_set_downshift(phydev, 3);
1086 if (err < 0)
1087 return err;
1088
1089 return m88e1111_config_init(phydev);
1090}
1091
1092static int m88e1111gbe_config_init(struct phy_device *phydev)
1093{
1094 int err;
1095
1096 err = m88e1111_set_downshift(phydev, 3);
1097 if (err < 0)
1098 return err;
1099
1100 return m88e1111_config_init(phydev);
1101}
1102
1103static int marvell_1011gbe_config_init(struct phy_device *phydev)
1104{
1105 int err;
1106
1107 err = m88e1011_set_downshift(phydev, 3);
1108 if (err < 0)
1109 return err;
1110
1111 return marvell_config_init(phydev);
1112}
1113static int m88e1116r_config_init(struct phy_device *phydev)
1114{
1115 int err;
1116
1117 err = genphy_soft_reset(phydev);
1118 if (err < 0)
1119 return err;
1120
1121 msleep(500);
1122
1123 err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1124 if (err < 0)
1125 return err;
1126
1127 err = marvell_set_polarity(phydev, phydev->mdix_ctrl);
1128 if (err < 0)
1129 return err;
1130
1131 err = m88e1011_set_downshift(phydev, 8);
1132 if (err < 0)
1133 return err;
1134
1135 if (phy_interface_is_rgmii(phydev)) {
1136 err = m88e1121_config_aneg_rgmii_delays(phydev);
1137 if (err < 0)
1138 return err;
1139 }
1140
1141 err = genphy_soft_reset(phydev);
1142 if (err < 0)
1143 return err;
1144
1145 return marvell_config_init(phydev);
1146}
1147
1148static int m88e1318_config_init(struct phy_device *phydev)
1149{
1150 if (phy_interrupt_is_valid(phydev)) {
1151 int err = phy_modify_paged(
1152 phydev, MII_MARVELL_LED_PAGE,
1153 MII_88E1318S_PHY_LED_TCR,
1154 MII_88E1318S_PHY_LED_TCR_FORCE_INT,
1155 MII_88E1318S_PHY_LED_TCR_INTn_ENABLE |
1156 MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW);
1157 if (err < 0)
1158 return err;
1159 }
1160
1161 return marvell_config_init(phydev);
1162}
1163
1164static int m88e1510_config_init(struct phy_device *phydev)
1165{
1166 int err;
1167
1168 /* SGMII-to-Copper mode initialization */
1169 if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
1170 /* Select page 18 */
1171 err = marvell_set_page(phydev, 18);
1172 if (err < 0)
1173 return err;
1174
1175 /* In reg 20, write MODE[2:0] = 0x1 (SGMII to Copper) */
1176 err = phy_modify(phydev, MII_88E1510_GEN_CTRL_REG_1,
1177 MII_88E1510_GEN_CTRL_REG_1_MODE_MASK,
1178 MII_88E1510_GEN_CTRL_REG_1_MODE_SGMII);
1179 if (err < 0)
1180 return err;
1181
1182 /* PHY reset is necessary after changing MODE[2:0] */
1183 err = phy_set_bits(phydev, MII_88E1510_GEN_CTRL_REG_1,
1184 MII_88E1510_GEN_CTRL_REG_1_RESET);
1185 if (err < 0)
1186 return err;
1187
1188 /* Reset page selection */
1189 err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1190 if (err < 0)
1191 return err;
1192 }
1193 err = m88e1011_set_downshift(phydev, 3);
1194 if (err < 0)
1195 return err;
1196
1197 return m88e1318_config_init(phydev);
1198}
1199
1200static int m88e1118_config_aneg(struct phy_device *phydev)
1201{
1202 int err;
1203
1204 err = genphy_soft_reset(phydev);
1205 if (err < 0)
1206 return err;
1207
1208 err = marvell_set_polarity(phydev, phydev->mdix_ctrl);
1209 if (err < 0)
1210 return err;
1211
1212 err = genphy_config_aneg(phydev);
1213 return 0;
1214}
1215
1216static int m88e1118_config_init(struct phy_device *phydev)
1217{
1218 int err;
1219
1220 /* Change address */
1221 err = marvell_set_page(phydev, MII_MARVELL_MSCR_PAGE);
1222 if (err < 0)
1223 return err;
1224
1225 /* Enable 1000 Mbit */
1226 err = phy_write(phydev, 0x15, 0x1070);
1227 if (err < 0)
1228 return err;
1229
1230 /* Change address */
1231 err = marvell_set_page(phydev, MII_MARVELL_LED_PAGE);
1232 if (err < 0)
1233 return err;
1234
1235 /* Adjust LED Control */
1236 if (phydev->dev_flags & MARVELL_PHY_M1118_DNS323_LEDS)
1237 err = phy_write(phydev, 0x10, 0x1100);
1238 else
1239 err = phy_write(phydev, 0x10, 0x021e);
1240 if (err < 0)
1241 return err;
1242
1243 err = marvell_of_reg_init(phydev);
1244 if (err < 0)
1245 return err;
1246
1247 /* Reset address */
1248 err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1249 if (err < 0)
1250 return err;
1251
1252 return genphy_soft_reset(phydev);
1253}
1254
1255static int m88e1149_config_init(struct phy_device *phydev)
1256{
1257 int err;
1258
1259 /* Change address */
1260 err = marvell_set_page(phydev, MII_MARVELL_MSCR_PAGE);
1261 if (err < 0)
1262 return err;
1263
1264 /* Enable 1000 Mbit */
1265 err = phy_write(phydev, 0x15, 0x1048);
1266 if (err < 0)
1267 return err;
1268
1269 err = marvell_of_reg_init(phydev);
1270 if (err < 0)
1271 return err;
1272
1273 /* Reset address */
1274 err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1275 if (err < 0)
1276 return err;
1277
1278 return genphy_soft_reset(phydev);
1279}
1280
1281static int m88e1145_config_init_rgmii(struct phy_device *phydev)
1282{
1283 int err;
1284
1285 err = m88e1111_config_init_rgmii_delays(phydev);
1286 if (err < 0)
1287 return err;
1288
1289 if (phydev->dev_flags & MARVELL_PHY_M1145_FLAGS_RESISTANCE) {
1290 err = phy_write(phydev, 0x1d, 0x0012);
1291 if (err < 0)
1292 return err;
1293
1294 err = phy_modify(phydev, 0x1e, 0x0fc0,
1295 2 << 9 | /* 36 ohm */
1296 2 << 6); /* 39 ohm */
1297 if (err < 0)
1298 return err;
1299
1300 err = phy_write(phydev, 0x1d, 0x3);
1301 if (err < 0)
1302 return err;
1303
1304 err = phy_write(phydev, 0x1e, 0x8000);
1305 }
1306 return err;
1307}
1308
1309static int m88e1145_config_init_sgmii(struct phy_device *phydev)
1310{
1311 return m88e1111_config_init_hwcfg_mode(
1312 phydev, MII_M1111_HWCFG_MODE_SGMII_NO_CLK,
1313 MII_M1111_HWCFG_FIBER_COPPER_AUTO);
1314}
1315
1316static int m88e1145_config_init(struct phy_device *phydev)
1317{
1318 int err;
1319
1320 /* Take care of errata E0 & E1 */
1321 err = phy_write(phydev, 0x1d, 0x001b);
1322 if (err < 0)
1323 return err;
1324
1325 err = phy_write(phydev, 0x1e, 0x418f);
1326 if (err < 0)
1327 return err;
1328
1329 err = phy_write(phydev, 0x1d, 0x0016);
1330 if (err < 0)
1331 return err;
1332
1333 err = phy_write(phydev, 0x1e, 0xa2da);
1334 if (err < 0)
1335 return err;
1336
1337 if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {
1338 err = m88e1145_config_init_rgmii(phydev);
1339 if (err < 0)
1340 return err;
1341 }
1342
1343 if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
1344 err = m88e1145_config_init_sgmii(phydev);
1345 if (err < 0)
1346 return err;
1347 }
1348 err = m88e1111_set_downshift(phydev, 3);
1349 if (err < 0)
1350 return err;
1351
1352 err = marvell_of_reg_init(phydev);
1353 if (err < 0)
1354 return err;
1355
1356 return 0;
1357}
1358
1359static int m88e1540_get_fld(struct phy_device *phydev, u8 *msecs)
1360{
1361 int val;
1362
1363 val = phy_read(phydev, MII_88E1540_COPPER_CTRL3);
1364 if (val < 0)
1365 return val;
1366
1367 if (!(val & MII_88E1540_COPPER_CTRL3_FAST_LINK_DOWN)) {
1368 *msecs = ETHTOOL_PHY_FAST_LINK_DOWN_OFF;
1369 return 0;
1370 }
1371
1372 val = FIELD_GET(MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_MASK, val);
1373
1374 switch (val) {
1375 case MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_00MS:
1376 *msecs = 0;
1377 break;
1378 case MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_10MS:
1379 *msecs = 10;
1380 break;
1381 case MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_20MS:
1382 *msecs = 20;
1383 break;
1384 case MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_40MS:
1385 *msecs = 40;
1386 break;
1387 default:
1388 return -EINVAL;
1389 }
1390
1391 return 0;
1392}
1393
1394static int m88e1540_set_fld(struct phy_device *phydev, const u8 *msecs)
1395{
1396 struct ethtool_eee eee;
1397 int val, ret;
1398
1399 if (*msecs == ETHTOOL_PHY_FAST_LINK_DOWN_OFF)
1400 return phy_clear_bits(phydev, MII_88E1540_COPPER_CTRL3,
1401 MII_88E1540_COPPER_CTRL3_FAST_LINK_DOWN);
1402
1403 /* According to the Marvell data sheet EEE must be disabled for
1404 * Fast Link Down detection to work properly
1405 */
1406 ret = phy_ethtool_get_eee(phydev, &eee);
1407 if (!ret && eee.eee_enabled) {
1408 phydev_warn(phydev, "Fast Link Down detection requires EEE to be disabled!\n");
1409 return -EBUSY;
1410 }
1411
1412 if (*msecs <= 5)
1413 val = MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_00MS;
1414 else if (*msecs <= 15)
1415 val = MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_10MS;
1416 else if (*msecs <= 30)
1417 val = MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_20MS;
1418 else
1419 val = MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_40MS;
1420
1421 val = FIELD_PREP(MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_MASK, val);
1422
1423 ret = phy_modify(phydev, MII_88E1540_COPPER_CTRL3,
1424 MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_MASK, val);
1425 if (ret)
1426 return ret;
1427
1428 return phy_set_bits(phydev, MII_88E1540_COPPER_CTRL3,
1429 MII_88E1540_COPPER_CTRL3_FAST_LINK_DOWN);
1430}
1431
1432static int m88e1540_get_tunable(struct phy_device *phydev,
1433 struct ethtool_tunable *tuna, void *data)
1434{
1435 switch (tuna->id) {
1436 case ETHTOOL_PHY_FAST_LINK_DOWN:
1437 return m88e1540_get_fld(phydev, data);
1438 case ETHTOOL_PHY_DOWNSHIFT:
1439 return m88e1011_get_downshift(phydev, data);
1440 default:
1441 return -EOPNOTSUPP;
1442 }
1443}
1444
1445static int m88e1540_set_tunable(struct phy_device *phydev,
1446 struct ethtool_tunable *tuna, const void *data)
1447{
1448 switch (tuna->id) {
1449 case ETHTOOL_PHY_FAST_LINK_DOWN:
1450 return m88e1540_set_fld(phydev, data);
1451 case ETHTOOL_PHY_DOWNSHIFT:
1452 return m88e1011_set_downshift(phydev, *(const u8 *)data);
1453 default:
1454 return -EOPNOTSUPP;
1455 }
1456}
1457
1458/* The VOD can be out of specification on link up. Poke an
1459 * undocumented register, in an undocumented page, with a magic value
1460 * to fix this.
1461 */
1462static int m88e6390_errata(struct phy_device *phydev)
1463{
1464 int err;
1465
1466 err = phy_write(phydev, MII_BMCR,
1467 BMCR_ANENABLE | BMCR_SPEED1000 | BMCR_FULLDPLX);
1468 if (err)
1469 return err;
1470
1471 usleep_range(300, 400);
1472
1473 err = phy_write_paged(phydev, 0xf8, 0x08, 0x36);
1474 if (err)
1475 return err;
1476
1477 return genphy_soft_reset(phydev);
1478}
1479
1480static int m88e6390_config_aneg(struct phy_device *phydev)
1481{
1482 int err;
1483
1484 err = m88e6390_errata(phydev);
1485 if (err)
1486 return err;
1487
1488 return m88e1510_config_aneg(phydev);
1489}
1490
1491/**
1492 * fiber_lpa_mod_linkmode_lpa_t
1493 * @advertising: the linkmode advertisement settings
1494 * @lpa: value of the MII_LPA register for fiber link
1495 *
1496 * A small helper function that translates MII_LPA bits to linkmode LP
1497 * advertisement settings. Other bits in advertising are left
1498 * unchanged.
1499 */
1500static void fiber_lpa_mod_linkmode_lpa_t(unsigned long *advertising, u32 lpa)
1501{
1502 linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseT_Half_BIT,
1503 advertising, lpa & LPA_1000XHALF);
1504
1505 linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
1506 advertising, lpa & LPA_1000XFULL);
1507}
1508
1509static int marvell_read_status_page_an(struct phy_device *phydev,
1510 int fiber, int status)
1511{
1512 int lpa;
1513 int err;
1514
1515 if (!(status & MII_M1011_PHY_STATUS_RESOLVED)) {
1516 phydev->link = 0;
1517 return 0;
1518 }
1519
1520 if (status & MII_M1011_PHY_STATUS_FULLDUPLEX)
1521 phydev->duplex = DUPLEX_FULL;
1522 else
1523 phydev->duplex = DUPLEX_HALF;
1524
1525 switch (status & MII_M1011_PHY_STATUS_SPD_MASK) {
1526 case MII_M1011_PHY_STATUS_1000:
1527 phydev->speed = SPEED_1000;
1528 break;
1529
1530 case MII_M1011_PHY_STATUS_100:
1531 phydev->speed = SPEED_100;
1532 break;
1533
1534 default:
1535 phydev->speed = SPEED_10;
1536 break;
1537 }
1538
1539 if (!fiber) {
1540 err = genphy_read_lpa(phydev);
1541 if (err < 0)
1542 return err;
1543
1544 phy_resolve_aneg_pause(phydev);
1545 } else {
1546 lpa = phy_read(phydev, MII_LPA);
1547 if (lpa < 0)
1548 return lpa;
1549
1550 /* The fiber link is only 1000M capable */
1551 fiber_lpa_mod_linkmode_lpa_t(phydev->lp_advertising, lpa);
1552
1553 if (phydev->duplex == DUPLEX_FULL) {
1554 if (!(lpa & LPA_PAUSE_FIBER)) {
1555 phydev->pause = 0;
1556 phydev->asym_pause = 0;
1557 } else if ((lpa & LPA_PAUSE_ASYM_FIBER)) {
1558 phydev->pause = 1;
1559 phydev->asym_pause = 1;
1560 } else {
1561 phydev->pause = 1;
1562 phydev->asym_pause = 0;
1563 }
1564 }
1565 }
1566
1567 return 0;
1568}
1569
1570/* marvell_read_status_page
1571 *
1572 * Description:
1573 * Check the link, then figure out the current state
1574 * by comparing what we advertise with what the link partner
1575 * advertises. Start by checking the gigabit possibilities,
1576 * then move on to 10/100.
1577 */
1578static int marvell_read_status_page(struct phy_device *phydev, int page)
1579{
1580 int status;
1581 int fiber;
1582 int err;
1583
1584 status = phy_read(phydev, MII_M1011_PHY_STATUS);
1585 if (status < 0)
1586 return status;
1587
1588 /* Use the generic register for copper link status,
1589 * and the PHY status register for fiber link status.
1590 */
1591 if (page == MII_MARVELL_FIBER_PAGE) {
1592 phydev->link = !!(status & MII_M1011_PHY_STATUS_LINK);
1593 } else {
1594 err = genphy_update_link(phydev);
1595 if (err)
1596 return err;
1597 }
1598
1599 if (page == MII_MARVELL_FIBER_PAGE)
1600 fiber = 1;
1601 else
1602 fiber = 0;
1603
1604 linkmode_zero(phydev->lp_advertising);
1605 phydev->pause = 0;
1606 phydev->asym_pause = 0;
1607 phydev->speed = SPEED_UNKNOWN;
1608 phydev->duplex = DUPLEX_UNKNOWN;
1609 phydev->port = fiber ? PORT_FIBRE : PORT_TP;
1610
1611 if (phydev->autoneg == AUTONEG_ENABLE)
1612 err = marvell_read_status_page_an(phydev, fiber, status);
1613 else
1614 err = genphy_read_status_fixed(phydev);
1615
1616 return err;
1617}
1618
1619/* marvell_read_status
1620 *
1621 * Some Marvell's phys have two modes: fiber and copper.
1622 * Both need status checked.
1623 * Description:
1624 * First, check the fiber link and status.
1625 * If the fiber link is down, check the copper link and status which
1626 * will be the default value if both link are down.
1627 */
1628static int marvell_read_status(struct phy_device *phydev)
1629{
1630 int err;
1631
1632 /* Check the fiber mode first */
1633 if (linkmode_test_bit(ETHTOOL_LINK_MODE_FIBRE_BIT,
1634 phydev->supported) &&
1635 phydev->interface != PHY_INTERFACE_MODE_SGMII) {
1636 err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE);
1637 if (err < 0)
1638 goto error;
1639
1640 err = marvell_read_status_page(phydev, MII_MARVELL_FIBER_PAGE);
1641 if (err < 0)
1642 goto error;
1643
1644 /* If the fiber link is up, it is the selected and
1645 * used link. In this case, we need to stay in the
1646 * fiber page. Please to be careful about that, avoid
1647 * to restore Copper page in other functions which
1648 * could break the behaviour for some fiber phy like
1649 * 88E1512.
1650 */
1651 if (phydev->link)
1652 return 0;
1653
1654 /* If fiber link is down, check and save copper mode state */
1655 err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1656 if (err < 0)
1657 goto error;
1658 }
1659
1660 return marvell_read_status_page(phydev, MII_MARVELL_COPPER_PAGE);
1661
1662error:
1663 marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1664 return err;
1665}
1666
1667/* marvell_suspend
1668 *
1669 * Some Marvell's phys have two modes: fiber and copper.
1670 * Both need to be suspended
1671 */
1672static int marvell_suspend(struct phy_device *phydev)
1673{
1674 int err;
1675
1676 /* Suspend the fiber mode first */
1677 if (!linkmode_test_bit(ETHTOOL_LINK_MODE_FIBRE_BIT,
1678 phydev->supported)) {
1679 err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE);
1680 if (err < 0)
1681 goto error;
1682
1683 /* With the page set, use the generic suspend */
1684 err = genphy_suspend(phydev);
1685 if (err < 0)
1686 goto error;
1687
1688 /* Then, the copper link */
1689 err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1690 if (err < 0)
1691 goto error;
1692 }
1693
1694 /* With the page set, use the generic suspend */
1695 return genphy_suspend(phydev);
1696
1697error:
1698 marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1699 return err;
1700}
1701
1702/* marvell_resume
1703 *
1704 * Some Marvell's phys have two modes: fiber and copper.
1705 * Both need to be resumed
1706 */
1707static int marvell_resume(struct phy_device *phydev)
1708{
1709 int err;
1710
1711 /* Resume the fiber mode first */
1712 if (!linkmode_test_bit(ETHTOOL_LINK_MODE_FIBRE_BIT,
1713 phydev->supported)) {
1714 err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE);
1715 if (err < 0)
1716 goto error;
1717
1718 /* With the page set, use the generic resume */
1719 err = genphy_resume(phydev);
1720 if (err < 0)
1721 goto error;
1722
1723 /* Then, the copper link */
1724 err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1725 if (err < 0)
1726 goto error;
1727 }
1728
1729 /* With the page set, use the generic resume */
1730 return genphy_resume(phydev);
1731
1732error:
1733 marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1734 return err;
1735}
1736
1737static int marvell_aneg_done(struct phy_device *phydev)
1738{
1739 int retval = phy_read(phydev, MII_M1011_PHY_STATUS);
1740
1741 return (retval < 0) ? retval : (retval & MII_M1011_PHY_STATUS_RESOLVED);
1742}
1743
1744static void m88e1318_get_wol(struct phy_device *phydev,
1745 struct ethtool_wolinfo *wol)
1746{
1747 int ret;
1748
1749 wol->supported = WAKE_MAGIC;
1750 wol->wolopts = 0;
1751
1752 ret = phy_read_paged(phydev, MII_MARVELL_WOL_PAGE,
1753 MII_88E1318S_PHY_WOL_CTRL);
1754 if (ret >= 0 && ret & MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE)
1755 wol->wolopts |= WAKE_MAGIC;
1756}
1757
1758static int m88e1318_set_wol(struct phy_device *phydev,
1759 struct ethtool_wolinfo *wol)
1760{
1761 int err = 0, oldpage;
1762
1763 oldpage = phy_save_page(phydev);
1764 if (oldpage < 0)
1765 goto error;
1766
1767 if (wol->wolopts & WAKE_MAGIC) {
1768 /* Explicitly switch to page 0x00, just to be sure */
1769 err = marvell_write_page(phydev, MII_MARVELL_COPPER_PAGE);
1770 if (err < 0)
1771 goto error;
1772
1773 /* If WOL event happened once, the LED[2] interrupt pin
1774 * will not be cleared unless we reading the interrupt status
1775 * register. If interrupts are in use, the normal interrupt
1776 * handling will clear the WOL event. Clear the WOL event
1777 * before enabling it if !phy_interrupt_is_valid()
1778 */
1779 if (!phy_interrupt_is_valid(phydev))
1780 __phy_read(phydev, MII_M1011_IEVENT);
1781
1782 /* Enable the WOL interrupt */
1783 err = __phy_set_bits(phydev, MII_88E1318S_PHY_CSIER,
1784 MII_88E1318S_PHY_CSIER_WOL_EIE);
1785 if (err < 0)
1786 goto error;
1787
1788 err = marvell_write_page(phydev, MII_MARVELL_LED_PAGE);
1789 if (err < 0)
1790 goto error;
1791
1792 /* Setup LED[2] as interrupt pin (active low) */
1793 err = __phy_modify(phydev, MII_88E1318S_PHY_LED_TCR,
1794 MII_88E1318S_PHY_LED_TCR_FORCE_INT,
1795 MII_88E1318S_PHY_LED_TCR_INTn_ENABLE |
1796 MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW);
1797 if (err < 0)
1798 goto error;
1799
1800 err = marvell_write_page(phydev, MII_MARVELL_WOL_PAGE);
1801 if (err < 0)
1802 goto error;
1803
1804 /* Store the device address for the magic packet */
1805 err = __phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD2,
1806 ((phydev->attached_dev->dev_addr[5] << 8) |
1807 phydev->attached_dev->dev_addr[4]));
1808 if (err < 0)
1809 goto error;
1810 err = __phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD1,
1811 ((phydev->attached_dev->dev_addr[3] << 8) |
1812 phydev->attached_dev->dev_addr[2]));
1813 if (err < 0)
1814 goto error;
1815 err = __phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD0,
1816 ((phydev->attached_dev->dev_addr[1] << 8) |
1817 phydev->attached_dev->dev_addr[0]));
1818 if (err < 0)
1819 goto error;
1820
1821 /* Clear WOL status and enable magic packet matching */
1822 err = __phy_set_bits(phydev, MII_88E1318S_PHY_WOL_CTRL,
1823 MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS |
1824 MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE);
1825 if (err < 0)
1826 goto error;
1827 } else {
1828 err = marvell_write_page(phydev, MII_MARVELL_WOL_PAGE);
1829 if (err < 0)
1830 goto error;
1831
1832 /* Clear WOL status and disable magic packet matching */
1833 err = __phy_modify(phydev, MII_88E1318S_PHY_WOL_CTRL,
1834 MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE,
1835 MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS);
1836 if (err < 0)
1837 goto error;
1838 }
1839
1840error:
1841 return phy_restore_page(phydev, oldpage, err);
1842}
1843
1844static int marvell_get_sset_count(struct phy_device *phydev)
1845{
1846 if (linkmode_test_bit(ETHTOOL_LINK_MODE_FIBRE_BIT,
1847 phydev->supported))
1848 return ARRAY_SIZE(marvell_hw_stats);
1849 else
1850 return ARRAY_SIZE(marvell_hw_stats) - NB_FIBER_STATS;
1851}
1852
1853static void marvell_get_strings(struct phy_device *phydev, u8 *data)
1854{
1855 int count = marvell_get_sset_count(phydev);
1856 int i;
1857
1858 for (i = 0; i < count; i++) {
1859 strlcpy(data + i * ETH_GSTRING_LEN,
1860 marvell_hw_stats[i].string, ETH_GSTRING_LEN);
1861 }
1862}
1863
1864static u64 marvell_get_stat(struct phy_device *phydev, int i)
1865{
1866 struct marvell_hw_stat stat = marvell_hw_stats[i];
1867 struct marvell_priv *priv = phydev->priv;
1868 int val;
1869 u64 ret;
1870
1871 val = phy_read_paged(phydev, stat.page, stat.reg);
1872 if (val < 0) {
1873 ret = U64_MAX;
1874 } else {
1875 val = val & ((1 << stat.bits) - 1);
1876 priv->stats[i] += val;
1877 ret = priv->stats[i];
1878 }
1879
1880 return ret;
1881}
1882
1883static void marvell_get_stats(struct phy_device *phydev,
1884 struct ethtool_stats *stats, u64 *data)
1885{
1886 int count = marvell_get_sset_count(phydev);
1887 int i;
1888
1889 for (i = 0; i < count; i++)
1890 data[i] = marvell_get_stat(phydev, i);
1891}
1892
1893static int marvell_vct5_wait_complete(struct phy_device *phydev)
1894{
1895 int i;
1896 int val;
1897
1898 for (i = 0; i < 32; i++) {
1899 val = __phy_read(phydev, MII_VCT5_CTRL);
1900 if (val < 0)
1901 return val;
1902
1903 if (val & MII_VCT5_CTRL_COMPLETE)
1904 return 0;
1905 }
1906
1907 phydev_err(phydev, "Timeout while waiting for cable test to finish\n");
1908 return -ETIMEDOUT;
1909}
1910
1911static int marvell_vct5_amplitude(struct phy_device *phydev, int pair)
1912{
1913 int amplitude;
1914 int val;
1915 int reg;
1916
1917 reg = MII_VCT5_TX_RX_MDI0_COUPLING + pair;
1918 val = __phy_read(phydev, reg);
1919
1920 if (val < 0)
1921 return 0;
1922
1923 amplitude = (val & MII_VCT5_TX_RX_AMPLITUDE_MASK) >>
1924 MII_VCT5_TX_RX_AMPLITUDE_SHIFT;
1925
1926 if (!(val & MII_VCT5_TX_RX_COUPLING_POSITIVE_REFLECTION))
1927 amplitude = -amplitude;
1928
1929 return 1000 * amplitude / 128;
1930}
1931
1932static u32 marvell_vct5_distance2cm(int distance)
1933{
1934 return distance * 805 / 10;
1935}
1936
1937static u32 marvell_vct5_cm2distance(int cm)
1938{
1939 return cm * 10 / 805;
1940}
1941
1942static int marvell_vct5_amplitude_distance(struct phy_device *phydev,
1943 int distance, int pair)
1944{
1945 u16 reg;
1946 int err;
1947 int mV;
1948 int i;
1949
1950 err = __phy_write(phydev, MII_VCT5_SAMPLE_POINT_DISTANCE,
1951 distance);
1952 if (err)
1953 return err;
1954
1955 reg = MII_VCT5_CTRL_ENABLE |
1956 MII_VCT5_CTRL_TX_SAME_CHANNEL |
1957 MII_VCT5_CTRL_SAMPLES_DEFAULT |
1958 MII_VCT5_CTRL_SAMPLE_POINT |
1959 MII_VCT5_CTRL_PEEK_HYST_DEFAULT;
1960 err = __phy_write(phydev, MII_VCT5_CTRL, reg);
1961 if (err)
1962 return err;
1963
1964 err = marvell_vct5_wait_complete(phydev);
1965 if (err)
1966 return err;
1967
1968 for (i = 0; i < 4; i++) {
1969 if (pair != PHY_PAIR_ALL && i != pair)
1970 continue;
1971
1972 mV = marvell_vct5_amplitude(phydev, i);
1973 ethnl_cable_test_amplitude(phydev, i, mV);
1974 }
1975
1976 return 0;
1977}
1978
1979static int marvell_vct5_amplitude_graph(struct phy_device *phydev)
1980{
1981 struct marvell_priv *priv = phydev->priv;
1982 int distance;
1983 u16 width;
1984 int page;
1985 int err;
1986 u16 reg;
1987
1988 if (priv->first <= TDR_SHORT_CABLE_LENGTH)
1989 width = MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_32nS;
1990 else
1991 width = MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_128nS;
1992
1993 reg = MII_VCT5_TX_PULSE_CTRL_GT_140m_46_86mV |
1994 MII_VCT5_TX_PULSE_CTRL_DONT_WAIT_LINK_DOWN |
1995 MII_VCT5_TX_PULSE_CTRL_MAX_AMP | width;
1996
1997 err = phy_write_paged(phydev, MII_MARVELL_VCT5_PAGE,
1998 MII_VCT5_TX_PULSE_CTRL, reg);
1999 if (err)
2000 return err;
2001
2002 /* Reading the TDR data is very MDIO heavy. We need to optimize
2003 * access to keep the time to a minimum. So lock the bus once,
2004 * and don't release it until complete. We can then avoid having
2005 * to change the page for every access, greatly speeding things
2006 * up.
2007 */
2008 page = phy_select_page(phydev, MII_MARVELL_VCT5_PAGE);
2009 if (page < 0)
2010 goto restore_page;
2011
2012 for (distance = priv->first;
2013 distance <= priv->last;
2014 distance += priv->step) {
2015 err = marvell_vct5_amplitude_distance(phydev, distance,
2016 priv->pair);
2017 if (err)
2018 goto restore_page;
2019
2020 if (distance > TDR_SHORT_CABLE_LENGTH &&
2021 width == MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_32nS) {
2022 width = MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_128nS;
2023 reg = MII_VCT5_TX_PULSE_CTRL_GT_140m_46_86mV |
2024 MII_VCT5_TX_PULSE_CTRL_DONT_WAIT_LINK_DOWN |
2025 MII_VCT5_TX_PULSE_CTRL_MAX_AMP | width;
2026 err = __phy_write(phydev, MII_VCT5_TX_PULSE_CTRL, reg);
2027 if (err)
2028 goto restore_page;
2029 }
2030 }
2031
2032restore_page:
2033 return phy_restore_page(phydev, page, err);
2034}
2035
2036static int marvell_cable_test_start_common(struct phy_device *phydev)
2037{
2038 int bmcr, bmsr, ret;
2039
2040 /* If auto-negotiation is enabled, but not complete, the cable
2041 * test never completes. So disable auto-neg.
2042 */
2043 bmcr = phy_read(phydev, MII_BMCR);
2044 if (bmcr < 0)
2045 return bmcr;
2046
2047 bmsr = phy_read(phydev, MII_BMSR);
2048
2049 if (bmsr < 0)
2050 return bmsr;
2051
2052 if (bmcr & BMCR_ANENABLE) {
2053 ret = phy_clear_bits(phydev, MII_BMCR, BMCR_ANENABLE);
2054 if (ret < 0)
2055 return ret;
2056 ret = genphy_soft_reset(phydev);
2057 if (ret < 0)
2058 return ret;
2059 }
2060
2061 /* If the link is up, allow it some time to go down */
2062 if (bmsr & BMSR_LSTATUS)
2063 msleep(1500);
2064
2065 return 0;
2066}
2067
2068static int marvell_vct7_cable_test_start(struct phy_device *phydev)
2069{
2070 struct marvell_priv *priv = phydev->priv;
2071 int ret;
2072
2073 ret = marvell_cable_test_start_common(phydev);
2074 if (ret)
2075 return ret;
2076
2077 priv->cable_test_tdr = false;
2078
2079 /* Reset the VCT5 API control to defaults, otherwise
2080 * VCT7 does not work correctly.
2081 */
2082 ret = phy_write_paged(phydev, MII_MARVELL_VCT5_PAGE,
2083 MII_VCT5_CTRL,
2084 MII_VCT5_CTRL_TX_SAME_CHANNEL |
2085 MII_VCT5_CTRL_SAMPLES_DEFAULT |
2086 MII_VCT5_CTRL_MODE_MAXIMUM_PEEK |
2087 MII_VCT5_CTRL_PEEK_HYST_DEFAULT);
2088 if (ret)
2089 return ret;
2090
2091 ret = phy_write_paged(phydev, MII_MARVELL_VCT5_PAGE,
2092 MII_VCT5_SAMPLE_POINT_DISTANCE, 0);
2093 if (ret)
2094 return ret;
2095
2096 return phy_write_paged(phydev, MII_MARVELL_VCT7_PAGE,
2097 MII_VCT7_CTRL,
2098 MII_VCT7_CTRL_RUN_NOW |
2099 MII_VCT7_CTRL_CENTIMETERS);
2100}
2101
2102static int marvell_vct5_cable_test_tdr_start(struct phy_device *phydev,
2103 const struct phy_tdr_config *cfg)
2104{
2105 struct marvell_priv *priv = phydev->priv;
2106 int ret;
2107
2108 priv->cable_test_tdr = true;
2109 priv->first = marvell_vct5_cm2distance(cfg->first);
2110 priv->last = marvell_vct5_cm2distance(cfg->last);
2111 priv->step = marvell_vct5_cm2distance(cfg->step);
2112 priv->pair = cfg->pair;
2113
2114 if (priv->first > MII_VCT5_SAMPLE_POINT_DISTANCE_MAX)
2115 return -EINVAL;
2116
2117 if (priv->last > MII_VCT5_SAMPLE_POINT_DISTANCE_MAX)
2118 return -EINVAL;
2119
2120 /* Disable VCT7 */
2121 ret = phy_write_paged(phydev, MII_MARVELL_VCT7_PAGE,
2122 MII_VCT7_CTRL, 0);
2123 if (ret)
2124 return ret;
2125
2126 ret = marvell_cable_test_start_common(phydev);
2127 if (ret)
2128 return ret;
2129
2130 ret = ethnl_cable_test_pulse(phydev, 1000);
2131 if (ret)
2132 return ret;
2133
2134 return ethnl_cable_test_step(phydev,
2135 marvell_vct5_distance2cm(priv->first),
2136 marvell_vct5_distance2cm(priv->last),
2137 marvell_vct5_distance2cm(priv->step));
2138}
2139
2140static int marvell_vct7_distance_to_length(int distance, bool meter)
2141{
2142 if (meter)
2143 distance *= 100;
2144
2145 return distance;
2146}
2147
2148static bool marvell_vct7_distance_valid(int result)
2149{
2150 switch (result) {
2151 case MII_VCT7_RESULTS_OPEN:
2152 case MII_VCT7_RESULTS_SAME_SHORT:
2153 case MII_VCT7_RESULTS_CROSS_SHORT:
2154 return true;
2155 }
2156 return false;
2157}
2158
2159static int marvell_vct7_report_length(struct phy_device *phydev,
2160 int pair, bool meter)
2161{
2162 int length;
2163 int ret;
2164
2165 ret = phy_read_paged(phydev, MII_MARVELL_VCT7_PAGE,
2166 MII_VCT7_PAIR_0_DISTANCE + pair);
2167 if (ret < 0)
2168 return ret;
2169
2170 length = marvell_vct7_distance_to_length(ret, meter);
2171
2172 ethnl_cable_test_fault_length(phydev, pair, length);
2173
2174 return 0;
2175}
2176
2177static int marvell_vct7_cable_test_report_trans(int result)
2178{
2179 switch (result) {
2180 case MII_VCT7_RESULTS_OK:
2181 return ETHTOOL_A_CABLE_RESULT_CODE_OK;
2182 case MII_VCT7_RESULTS_OPEN:
2183 return ETHTOOL_A_CABLE_RESULT_CODE_OPEN;
2184 case MII_VCT7_RESULTS_SAME_SHORT:
2185 return ETHTOOL_A_CABLE_RESULT_CODE_SAME_SHORT;
2186 case MII_VCT7_RESULTS_CROSS_SHORT:
2187 return ETHTOOL_A_CABLE_RESULT_CODE_CROSS_SHORT;
2188 default:
2189 return ETHTOOL_A_CABLE_RESULT_CODE_UNSPEC;
2190 }
2191}
2192
2193static int marvell_vct7_cable_test_report(struct phy_device *phydev)
2194{
2195 int pair0, pair1, pair2, pair3;
2196 bool meter;
2197 int ret;
2198
2199 ret = phy_read_paged(phydev, MII_MARVELL_VCT7_PAGE,
2200 MII_VCT7_RESULTS);
2201 if (ret < 0)
2202 return ret;
2203
2204 pair3 = (ret & MII_VCT7_RESULTS_PAIR3_MASK) >>
2205 MII_VCT7_RESULTS_PAIR3_SHIFT;
2206 pair2 = (ret & MII_VCT7_RESULTS_PAIR2_MASK) >>
2207 MII_VCT7_RESULTS_PAIR2_SHIFT;
2208 pair1 = (ret & MII_VCT7_RESULTS_PAIR1_MASK) >>
2209 MII_VCT7_RESULTS_PAIR1_SHIFT;
2210 pair0 = (ret & MII_VCT7_RESULTS_PAIR0_MASK) >>
2211 MII_VCT7_RESULTS_PAIR0_SHIFT;
2212
2213 ethnl_cable_test_result(phydev, ETHTOOL_A_CABLE_PAIR_A,
2214 marvell_vct7_cable_test_report_trans(pair0));
2215 ethnl_cable_test_result(phydev, ETHTOOL_A_CABLE_PAIR_B,
2216 marvell_vct7_cable_test_report_trans(pair1));
2217 ethnl_cable_test_result(phydev, ETHTOOL_A_CABLE_PAIR_C,
2218 marvell_vct7_cable_test_report_trans(pair2));
2219 ethnl_cable_test_result(phydev, ETHTOOL_A_CABLE_PAIR_D,
2220 marvell_vct7_cable_test_report_trans(pair3));
2221
2222 ret = phy_read_paged(phydev, MII_MARVELL_VCT7_PAGE, MII_VCT7_CTRL);
2223 if (ret < 0)
2224 return ret;
2225
2226 meter = ret & MII_VCT7_CTRL_METERS;
2227
2228 if (marvell_vct7_distance_valid(pair0))
2229 marvell_vct7_report_length(phydev, 0, meter);
2230 if (marvell_vct7_distance_valid(pair1))
2231 marvell_vct7_report_length(phydev, 1, meter);
2232 if (marvell_vct7_distance_valid(pair2))
2233 marvell_vct7_report_length(phydev, 2, meter);
2234 if (marvell_vct7_distance_valid(pair3))
2235 marvell_vct7_report_length(phydev, 3, meter);
2236
2237 return 0;
2238}
2239
2240static int marvell_vct7_cable_test_get_status(struct phy_device *phydev,
2241 bool *finished)
2242{
2243 struct marvell_priv *priv = phydev->priv;
2244 int ret;
2245
2246 if (priv->cable_test_tdr) {
2247 ret = marvell_vct5_amplitude_graph(phydev);
2248 *finished = true;
2249 return ret;
2250 }
2251
2252 *finished = false;
2253
2254 ret = phy_read_paged(phydev, MII_MARVELL_VCT7_PAGE,
2255 MII_VCT7_CTRL);
2256
2257 if (ret < 0)
2258 return ret;
2259
2260 if (!(ret & MII_VCT7_CTRL_IN_PROGRESS)) {
2261 *finished = true;
2262
2263 return marvell_vct7_cable_test_report(phydev);
2264 }
2265
2266 return 0;
2267}
2268
2269#ifdef CONFIG_HWMON
2270struct marvell_hwmon_ops {
2271 int (*config)(struct phy_device *phydev);
2272 int (*get_temp)(struct phy_device *phydev, long *temp);
2273 int (*get_temp_critical)(struct phy_device *phydev, long *temp);
2274 int (*set_temp_critical)(struct phy_device *phydev, long temp);
2275 int (*get_temp_alarm)(struct phy_device *phydev, long *alarm);
2276};
2277
2278static const struct marvell_hwmon_ops *
2279to_marvell_hwmon_ops(const struct phy_device *phydev)
2280{
2281 return phydev->drv->driver_data;
2282}
2283
2284static int m88e1121_get_temp(struct phy_device *phydev, long *temp)
2285{
2286 int oldpage;
2287 int ret = 0;
2288 int val;
2289
2290 *temp = 0;
2291
2292 oldpage = phy_select_page(phydev, MII_MARVELL_MISC_TEST_PAGE);
2293 if (oldpage < 0)
2294 goto error;
2295
2296 /* Enable temperature sensor */
2297 ret = __phy_read(phydev, MII_88E1121_MISC_TEST);
2298 if (ret < 0)
2299 goto error;
2300
2301 ret = __phy_write(phydev, MII_88E1121_MISC_TEST,
2302 ret | MII_88E1121_MISC_TEST_TEMP_SENSOR_EN);
2303 if (ret < 0)
2304 goto error;
2305
2306 /* Wait for temperature to stabilize */
2307 usleep_range(10000, 12000);
2308
2309 val = __phy_read(phydev, MII_88E1121_MISC_TEST);
2310 if (val < 0) {
2311 ret = val;
2312 goto error;
2313 }
2314
2315 /* Disable temperature sensor */
2316 ret = __phy_write(phydev, MII_88E1121_MISC_TEST,
2317 ret & ~MII_88E1121_MISC_TEST_TEMP_SENSOR_EN);
2318 if (ret < 0)
2319 goto error;
2320
2321 *temp = ((val & MII_88E1121_MISC_TEST_TEMP_MASK) - 5) * 5000;
2322
2323error:
2324 return phy_restore_page(phydev, oldpage, ret);
2325}
2326
2327static int m88e1510_get_temp(struct phy_device *phydev, long *temp)
2328{
2329 int ret;
2330
2331 *temp = 0;
2332
2333 ret = phy_read_paged(phydev, MII_MARVELL_MISC_TEST_PAGE,
2334 MII_88E1510_TEMP_SENSOR);
2335 if (ret < 0)
2336 return ret;
2337
2338 *temp = ((ret & MII_88E1510_TEMP_SENSOR_MASK) - 25) * 1000;
2339
2340 return 0;
2341}
2342
2343static int m88e1510_get_temp_critical(struct phy_device *phydev, long *temp)
2344{
2345 int ret;
2346
2347 *temp = 0;
2348
2349 ret = phy_read_paged(phydev, MII_MARVELL_MISC_TEST_PAGE,
2350 MII_88E1121_MISC_TEST);
2351 if (ret < 0)
2352 return ret;
2353
2354 *temp = (((ret & MII_88E1510_MISC_TEST_TEMP_THRESHOLD_MASK) >>
2355 MII_88E1510_MISC_TEST_TEMP_THRESHOLD_SHIFT) * 5) - 25;
2356 /* convert to mC */
2357 *temp *= 1000;
2358
2359 return 0;
2360}
2361
2362static int m88e1510_set_temp_critical(struct phy_device *phydev, long temp)
2363{
2364 temp = temp / 1000;
2365 temp = clamp_val(DIV_ROUND_CLOSEST(temp, 5) + 5, 0, 0x1f);
2366
2367 return phy_modify_paged(phydev, MII_MARVELL_MISC_TEST_PAGE,
2368 MII_88E1121_MISC_TEST,
2369 MII_88E1510_MISC_TEST_TEMP_THRESHOLD_MASK,
2370 temp << MII_88E1510_MISC_TEST_TEMP_THRESHOLD_SHIFT);
2371}
2372
2373static int m88e1510_get_temp_alarm(struct phy_device *phydev, long *alarm)
2374{
2375 int ret;
2376
2377 *alarm = false;
2378
2379 ret = phy_read_paged(phydev, MII_MARVELL_MISC_TEST_PAGE,
2380 MII_88E1121_MISC_TEST);
2381 if (ret < 0)
2382 return ret;
2383
2384 *alarm = !!(ret & MII_88E1510_MISC_TEST_TEMP_IRQ);
2385
2386 return 0;
2387}
2388
2389static int m88e6390_get_temp(struct phy_device *phydev, long *temp)
2390{
2391 int sum = 0;
2392 int oldpage;
2393 int ret = 0;
2394 int i;
2395
2396 *temp = 0;
2397
2398 oldpage = phy_select_page(phydev, MII_MARVELL_MISC_TEST_PAGE);
2399 if (oldpage < 0)
2400 goto error;
2401
2402 /* Enable temperature sensor */
2403 ret = __phy_read(phydev, MII_88E6390_MISC_TEST);
2404 if (ret < 0)
2405 goto error;
2406
2407 ret &= ~MII_88E6390_MISC_TEST_TEMP_SENSOR_MASK;
2408 ret |= MII_88E6390_MISC_TEST_TEMP_SENSOR_ENABLE_SAMPLE_1S;
2409
2410 ret = __phy_write(phydev, MII_88E6390_MISC_TEST, ret);
2411 if (ret < 0)
2412 goto error;
2413
2414 /* Wait for temperature to stabilize */
2415 usleep_range(10000, 12000);
2416
2417 /* Reading the temperature sense has an errata. You need to read
2418 * a number of times and take an average.
2419 */
2420 for (i = 0; i < MII_88E6390_TEMP_SENSOR_SAMPLES; i++) {
2421 ret = __phy_read(phydev, MII_88E6390_TEMP_SENSOR);
2422 if (ret < 0)
2423 goto error;
2424 sum += ret & MII_88E6390_TEMP_SENSOR_MASK;
2425 }
2426
2427 sum /= MII_88E6390_TEMP_SENSOR_SAMPLES;
2428 *temp = (sum - 75) * 1000;
2429
2430 /* Disable temperature sensor */
2431 ret = __phy_read(phydev, MII_88E6390_MISC_TEST);
2432 if (ret < 0)
2433 goto error;
2434
2435 ret = ret & ~MII_88E6390_MISC_TEST_TEMP_SENSOR_MASK;
2436 ret |= MII_88E6390_MISC_TEST_TEMP_SENSOR_DISABLE;
2437
2438 ret = __phy_write(phydev, MII_88E6390_MISC_TEST, ret);
2439
2440error:
2441 phy_restore_page(phydev, oldpage, ret);
2442
2443 return ret;
2444}
2445
2446static int m88e6393_get_temp(struct phy_device *phydev, long *temp)
2447{
2448 int err;
2449
2450 err = m88e1510_get_temp(phydev, temp);
2451
2452 /* 88E1510 measures T + 25, while the PHY on 88E6393X switch
2453 * T + 75, so we have to subtract another 50
2454 */
2455 *temp -= 50000;
2456
2457 return err;
2458}
2459
2460static int m88e6393_get_temp_critical(struct phy_device *phydev, long *temp)
2461{
2462 int ret;
2463
2464 *temp = 0;
2465
2466 ret = phy_read_paged(phydev, MII_MARVELL_MISC_TEST_PAGE,
2467 MII_88E6390_TEMP_SENSOR);
2468 if (ret < 0)
2469 return ret;
2470
2471 *temp = (((ret & MII_88E6393_TEMP_SENSOR_THRESHOLD_MASK) >>
2472 MII_88E6393_TEMP_SENSOR_THRESHOLD_SHIFT) - 75) * 1000;
2473
2474 return 0;
2475}
2476
2477static int m88e6393_set_temp_critical(struct phy_device *phydev, long temp)
2478{
2479 temp = (temp / 1000) + 75;
2480
2481 return phy_modify_paged(phydev, MII_MARVELL_MISC_TEST_PAGE,
2482 MII_88E6390_TEMP_SENSOR,
2483 MII_88E6393_TEMP_SENSOR_THRESHOLD_MASK,
2484 temp << MII_88E6393_TEMP_SENSOR_THRESHOLD_SHIFT);
2485}
2486
2487static int m88e6393_hwmon_config(struct phy_device *phydev)
2488{
2489 int err;
2490
2491 err = m88e6393_set_temp_critical(phydev, 100000);
2492 if (err)
2493 return err;
2494
2495 return phy_modify_paged(phydev, MII_MARVELL_MISC_TEST_PAGE,
2496 MII_88E6390_MISC_TEST,
2497 MII_88E6390_MISC_TEST_TEMP_SENSOR_MASK |
2498 MII_88E6393_MISC_TEST_SAMPLES_MASK |
2499 MII_88E6393_MISC_TEST_RATE_MASK,
2500 MII_88E6390_MISC_TEST_TEMP_SENSOR_ENABLE |
2501 MII_88E6393_MISC_TEST_SAMPLES_2048 |
2502 MII_88E6393_MISC_TEST_RATE_2_3MS);
2503}
2504
2505static int marvell_hwmon_read(struct device *dev, enum hwmon_sensor_types type,
2506 u32 attr, int channel, long *temp)
2507{
2508 struct phy_device *phydev = dev_get_drvdata(dev);
2509 const struct marvell_hwmon_ops *ops = to_marvell_hwmon_ops(phydev);
2510 int err = -EOPNOTSUPP;
2511
2512 switch (attr) {
2513 case hwmon_temp_input:
2514 if (ops->get_temp)
2515 err = ops->get_temp(phydev, temp);
2516 break;
2517 case hwmon_temp_crit:
2518 if (ops->get_temp_critical)
2519 err = ops->get_temp_critical(phydev, temp);
2520 break;
2521 case hwmon_temp_max_alarm:
2522 if (ops->get_temp_alarm)
2523 err = ops->get_temp_alarm(phydev, temp);
2524 break;
2525 }
2526
2527 return err;
2528}
2529
2530static int marvell_hwmon_write(struct device *dev, enum hwmon_sensor_types type,
2531 u32 attr, int channel, long temp)
2532{
2533 struct phy_device *phydev = dev_get_drvdata(dev);
2534 const struct marvell_hwmon_ops *ops = to_marvell_hwmon_ops(phydev);
2535 int err = -EOPNOTSUPP;
2536
2537 switch (attr) {
2538 case hwmon_temp_crit:
2539 if (ops->set_temp_critical)
2540 err = ops->set_temp_critical(phydev, temp);
2541 break;
2542 }
2543
2544 return err;
2545}
2546
2547static umode_t marvell_hwmon_is_visible(const void *data,
2548 enum hwmon_sensor_types type,
2549 u32 attr, int channel)
2550{
2551 const struct phy_device *phydev = data;
2552 const struct marvell_hwmon_ops *ops = to_marvell_hwmon_ops(phydev);
2553
2554 if (type != hwmon_temp)
2555 return 0;
2556
2557 switch (attr) {
2558 case hwmon_temp_input:
2559 return ops->get_temp ? 0444 : 0;
2560 case hwmon_temp_max_alarm:
2561 return ops->get_temp_alarm ? 0444 : 0;
2562 case hwmon_temp_crit:
2563 return (ops->get_temp_critical ? 0444 : 0) |
2564 (ops->set_temp_critical ? 0200 : 0);
2565 default:
2566 return 0;
2567 }
2568}
2569
2570static u32 marvell_hwmon_chip_config[] = {
2571 HWMON_C_REGISTER_TZ,
2572 0
2573};
2574
2575static const struct hwmon_channel_info marvell_hwmon_chip = {
2576 .type = hwmon_chip,
2577 .config = marvell_hwmon_chip_config,
2578};
2579
2580/* we can define HWMON_T_CRIT and HWMON_T_MAX_ALARM even though these are not
2581 * defined for all PHYs, because the hwmon code checks whether the attributes
2582 * exists via the .is_visible method
2583 */
2584static u32 marvell_hwmon_temp_config[] = {
2585 HWMON_T_INPUT | HWMON_T_CRIT | HWMON_T_MAX_ALARM,
2586 0
2587};
2588
2589static const struct hwmon_channel_info marvell_hwmon_temp = {
2590 .type = hwmon_temp,
2591 .config = marvell_hwmon_temp_config,
2592};
2593
2594static const struct hwmon_channel_info *marvell_hwmon_info[] = {
2595 &marvell_hwmon_chip,
2596 &marvell_hwmon_temp,
2597 NULL
2598};
2599
2600static const struct hwmon_ops marvell_hwmon_hwmon_ops = {
2601 .is_visible = marvell_hwmon_is_visible,
2602 .read = marvell_hwmon_read,
2603 .write = marvell_hwmon_write,
2604};
2605
2606static const struct hwmon_chip_info marvell_hwmon_chip_info = {
2607 .ops = &marvell_hwmon_hwmon_ops,
2608 .info = marvell_hwmon_info,
2609};
2610
2611static int marvell_hwmon_name(struct phy_device *phydev)
2612{
2613 struct marvell_priv *priv = phydev->priv;
2614 struct device *dev = &phydev->mdio.dev;
2615 const char *devname = dev_name(dev);
2616 size_t len = strlen(devname);
2617 int i, j;
2618
2619 priv->hwmon_name = devm_kzalloc(dev, len, GFP_KERNEL);
2620 if (!priv->hwmon_name)
2621 return -ENOMEM;
2622
2623 for (i = j = 0; i < len && devname[i]; i++) {
2624 if (isalnum(devname[i]))
2625 priv->hwmon_name[j++] = devname[i];
2626 }
2627
2628 return 0;
2629}
2630
2631static int marvell_hwmon_probe(struct phy_device *phydev)
2632{
2633 const struct marvell_hwmon_ops *ops = to_marvell_hwmon_ops(phydev);
2634 struct marvell_priv *priv = phydev->priv;
2635 struct device *dev = &phydev->mdio.dev;
2636 int err;
2637
2638 if (!ops)
2639 return 0;
2640
2641 err = marvell_hwmon_name(phydev);
2642 if (err)
2643 return err;
2644
2645 priv->hwmon_dev = devm_hwmon_device_register_with_info(
2646 dev, priv->hwmon_name, phydev, &marvell_hwmon_chip_info, NULL);
2647 if (IS_ERR(priv->hwmon_dev))
2648 return PTR_ERR(priv->hwmon_dev);
2649
2650 if (ops->config)
2651 err = ops->config(phydev);
2652
2653 return err;
2654}
2655
2656static const struct marvell_hwmon_ops m88e1121_hwmon_ops = {
2657 .get_temp = m88e1121_get_temp,
2658};
2659
2660static const struct marvell_hwmon_ops m88e1510_hwmon_ops = {
2661 .get_temp = m88e1510_get_temp,
2662 .get_temp_critical = m88e1510_get_temp_critical,
2663 .set_temp_critical = m88e1510_set_temp_critical,
2664 .get_temp_alarm = m88e1510_get_temp_alarm,
2665};
2666
2667static const struct marvell_hwmon_ops m88e6390_hwmon_ops = {
2668 .get_temp = m88e6390_get_temp,
2669};
2670
2671static const struct marvell_hwmon_ops m88e6393_hwmon_ops = {
2672 .config = m88e6393_hwmon_config,
2673 .get_temp = m88e6393_get_temp,
2674 .get_temp_critical = m88e6393_get_temp_critical,
2675 .set_temp_critical = m88e6393_set_temp_critical,
2676 .get_temp_alarm = m88e1510_get_temp_alarm,
2677};
2678
2679#define DEF_MARVELL_HWMON_OPS(s) (&(s))
2680
2681#else
2682
2683#define DEF_MARVELL_HWMON_OPS(s) NULL
2684
2685static int marvell_hwmon_probe(struct phy_device *phydev)
2686{
2687 return 0;
2688}
2689#endif
2690
2691static int marvell_probe(struct phy_device *phydev)
2692{
2693 struct marvell_priv *priv;
2694
2695 priv = devm_kzalloc(&phydev->mdio.dev, sizeof(*priv), GFP_KERNEL);
2696 if (!priv)
2697 return -ENOMEM;
2698
2699 phydev->priv = priv;
2700
2701 return marvell_hwmon_probe(phydev);
2702}
2703
2704static struct phy_driver marvell_drivers[] = {
2705 {
2706 .phy_id = MARVELL_PHY_ID_88E1101,
2707 .phy_id_mask = MARVELL_PHY_ID_MASK,
2708 .name = "Marvell 88E1101",
2709 /* PHY_GBIT_FEATURES */
2710 .probe = marvell_probe,
2711 .config_init = marvell_config_init,
2712 .config_aneg = m88e1101_config_aneg,
2713 .config_intr = marvell_config_intr,
2714 .handle_interrupt = marvell_handle_interrupt,
2715 .resume = genphy_resume,
2716 .suspend = genphy_suspend,
2717 .read_page = marvell_read_page,
2718 .write_page = marvell_write_page,
2719 .get_sset_count = marvell_get_sset_count,
2720 .get_strings = marvell_get_strings,
2721 .get_stats = marvell_get_stats,
2722 },
2723 {
2724 .phy_id = MARVELL_PHY_ID_88E1112,
2725 .phy_id_mask = MARVELL_PHY_ID_MASK,
2726 .name = "Marvell 88E1112",
2727 /* PHY_GBIT_FEATURES */
2728 .probe = marvell_probe,
2729 .config_init = m88e1112_config_init,
2730 .config_aneg = marvell_config_aneg,
2731 .config_intr = marvell_config_intr,
2732 .handle_interrupt = marvell_handle_interrupt,
2733 .resume = genphy_resume,
2734 .suspend = genphy_suspend,
2735 .read_page = marvell_read_page,
2736 .write_page = marvell_write_page,
2737 .get_sset_count = marvell_get_sset_count,
2738 .get_strings = marvell_get_strings,
2739 .get_stats = marvell_get_stats,
2740 .get_tunable = m88e1011_get_tunable,
2741 .set_tunable = m88e1011_set_tunable,
2742 },
2743 {
2744 .phy_id = MARVELL_PHY_ID_88E1111,
2745 .phy_id_mask = MARVELL_PHY_ID_MASK,
2746 .name = "Marvell 88E1111",
2747 /* PHY_GBIT_FEATURES */
2748 .probe = marvell_probe,
2749 .config_init = m88e1111gbe_config_init,
2750 .config_aneg = m88e1111_config_aneg,
2751 .read_status = marvell_read_status,
2752 .config_intr = marvell_config_intr,
2753 .handle_interrupt = marvell_handle_interrupt,
2754 .resume = genphy_resume,
2755 .suspend = genphy_suspend,
2756 .read_page = marvell_read_page,
2757 .write_page = marvell_write_page,
2758 .get_sset_count = marvell_get_sset_count,
2759 .get_strings = marvell_get_strings,
2760 .get_stats = marvell_get_stats,
2761 .get_tunable = m88e1111_get_tunable,
2762 .set_tunable = m88e1111_set_tunable,
2763 },
2764 {
2765 .phy_id = MARVELL_PHY_ID_88E1111_FINISAR,
2766 .phy_id_mask = MARVELL_PHY_ID_MASK,
2767 .name = "Marvell 88E1111 (Finisar)",
2768 /* PHY_GBIT_FEATURES */
2769 .probe = marvell_probe,
2770 .config_init = m88e1111gbe_config_init,
2771 .config_aneg = m88e1111_config_aneg,
2772 .read_status = marvell_read_status,
2773 .config_intr = marvell_config_intr,
2774 .handle_interrupt = marvell_handle_interrupt,
2775 .resume = genphy_resume,
2776 .suspend = genphy_suspend,
2777 .read_page = marvell_read_page,
2778 .write_page = marvell_write_page,
2779 .get_sset_count = marvell_get_sset_count,
2780 .get_strings = marvell_get_strings,
2781 .get_stats = marvell_get_stats,
2782 .get_tunable = m88e1111_get_tunable,
2783 .set_tunable = m88e1111_set_tunable,
2784 },
2785 {
2786 .phy_id = MARVELL_PHY_ID_88E1118,
2787 .phy_id_mask = MARVELL_PHY_ID_MASK,
2788 .name = "Marvell 88E1118",
2789 /* PHY_GBIT_FEATURES */
2790 .probe = marvell_probe,
2791 .config_init = m88e1118_config_init,
2792 .config_aneg = m88e1118_config_aneg,
2793 .config_intr = marvell_config_intr,
2794 .handle_interrupt = marvell_handle_interrupt,
2795 .resume = genphy_resume,
2796 .suspend = genphy_suspend,
2797 .read_page = marvell_read_page,
2798 .write_page = marvell_write_page,
2799 .get_sset_count = marvell_get_sset_count,
2800 .get_strings = marvell_get_strings,
2801 .get_stats = marvell_get_stats,
2802 },
2803 {
2804 .phy_id = MARVELL_PHY_ID_88E1121R,
2805 .phy_id_mask = MARVELL_PHY_ID_MASK,
2806 .name = "Marvell 88E1121R",
2807 .driver_data = DEF_MARVELL_HWMON_OPS(m88e1121_hwmon_ops),
2808 /* PHY_GBIT_FEATURES */
2809 .probe = marvell_probe,
2810 .config_init = marvell_1011gbe_config_init,
2811 .config_aneg = m88e1121_config_aneg,
2812 .read_status = marvell_read_status,
2813 .config_intr = marvell_config_intr,
2814 .handle_interrupt = marvell_handle_interrupt,
2815 .resume = genphy_resume,
2816 .suspend = genphy_suspend,
2817 .read_page = marvell_read_page,
2818 .write_page = marvell_write_page,
2819 .get_sset_count = marvell_get_sset_count,
2820 .get_strings = marvell_get_strings,
2821 .get_stats = marvell_get_stats,
2822 .get_tunable = m88e1011_get_tunable,
2823 .set_tunable = m88e1011_set_tunable,
2824 },
2825 {
2826 .phy_id = MARVELL_PHY_ID_88E1318S,
2827 .phy_id_mask = MARVELL_PHY_ID_MASK,
2828 .name = "Marvell 88E1318S",
2829 /* PHY_GBIT_FEATURES */
2830 .probe = marvell_probe,
2831 .config_init = m88e1318_config_init,
2832 .config_aneg = m88e1318_config_aneg,
2833 .read_status = marvell_read_status,
2834 .config_intr = marvell_config_intr,
2835 .handle_interrupt = marvell_handle_interrupt,
2836 .get_wol = m88e1318_get_wol,
2837 .set_wol = m88e1318_set_wol,
2838 .resume = genphy_resume,
2839 .suspend = genphy_suspend,
2840 .read_page = marvell_read_page,
2841 .write_page = marvell_write_page,
2842 .get_sset_count = marvell_get_sset_count,
2843 .get_strings = marvell_get_strings,
2844 .get_stats = marvell_get_stats,
2845 },
2846 {
2847 .phy_id = MARVELL_PHY_ID_88E1145,
2848 .phy_id_mask = MARVELL_PHY_ID_MASK,
2849 .name = "Marvell 88E1145",
2850 /* PHY_GBIT_FEATURES */
2851 .probe = marvell_probe,
2852 .config_init = m88e1145_config_init,
2853 .config_aneg = m88e1101_config_aneg,
2854 .config_intr = marvell_config_intr,
2855 .handle_interrupt = marvell_handle_interrupt,
2856 .resume = genphy_resume,
2857 .suspend = genphy_suspend,
2858 .read_page = marvell_read_page,
2859 .write_page = marvell_write_page,
2860 .get_sset_count = marvell_get_sset_count,
2861 .get_strings = marvell_get_strings,
2862 .get_stats = marvell_get_stats,
2863 .get_tunable = m88e1111_get_tunable,
2864 .set_tunable = m88e1111_set_tunable,
2865 },
2866 {
2867 .phy_id = MARVELL_PHY_ID_88E1149R,
2868 .phy_id_mask = MARVELL_PHY_ID_MASK,
2869 .name = "Marvell 88E1149R",
2870 /* PHY_GBIT_FEATURES */
2871 .probe = marvell_probe,
2872 .config_init = m88e1149_config_init,
2873 .config_aneg = m88e1118_config_aneg,
2874 .config_intr = marvell_config_intr,
2875 .handle_interrupt = marvell_handle_interrupt,
2876 .resume = genphy_resume,
2877 .suspend = genphy_suspend,
2878 .read_page = marvell_read_page,
2879 .write_page = marvell_write_page,
2880 .get_sset_count = marvell_get_sset_count,
2881 .get_strings = marvell_get_strings,
2882 .get_stats = marvell_get_stats,
2883 },
2884 {
2885 .phy_id = MARVELL_PHY_ID_88E1240,
2886 .phy_id_mask = MARVELL_PHY_ID_MASK,
2887 .name = "Marvell 88E1240",
2888 /* PHY_GBIT_FEATURES */
2889 .probe = marvell_probe,
2890 .config_init = m88e1112_config_init,
2891 .config_aneg = marvell_config_aneg,
2892 .config_intr = marvell_config_intr,
2893 .handle_interrupt = marvell_handle_interrupt,
2894 .resume = genphy_resume,
2895 .suspend = genphy_suspend,
2896 .read_page = marvell_read_page,
2897 .write_page = marvell_write_page,
2898 .get_sset_count = marvell_get_sset_count,
2899 .get_strings = marvell_get_strings,
2900 .get_stats = marvell_get_stats,
2901 .get_tunable = m88e1011_get_tunable,
2902 .set_tunable = m88e1011_set_tunable,
2903 },
2904 {
2905 .phy_id = MARVELL_PHY_ID_88E1116R,
2906 .phy_id_mask = MARVELL_PHY_ID_MASK,
2907 .name = "Marvell 88E1116R",
2908 /* PHY_GBIT_FEATURES */
2909 .probe = marvell_probe,
2910 .config_init = m88e1116r_config_init,
2911 .config_intr = marvell_config_intr,
2912 .handle_interrupt = marvell_handle_interrupt,
2913 .resume = genphy_resume,
2914 .suspend = genphy_suspend,
2915 .read_page = marvell_read_page,
2916 .write_page = marvell_write_page,
2917 .get_sset_count = marvell_get_sset_count,
2918 .get_strings = marvell_get_strings,
2919 .get_stats = marvell_get_stats,
2920 .get_tunable = m88e1011_get_tunable,
2921 .set_tunable = m88e1011_set_tunable,
2922 },
2923 {
2924 .phy_id = MARVELL_PHY_ID_88E1510,
2925 .phy_id_mask = MARVELL_PHY_ID_MASK,
2926 .name = "Marvell 88E1510",
2927 .driver_data = DEF_MARVELL_HWMON_OPS(m88e1510_hwmon_ops),
2928 .features = PHY_GBIT_FIBRE_FEATURES,
2929 .flags = PHY_POLL_CABLE_TEST,
2930 .probe = marvell_probe,
2931 .config_init = m88e1510_config_init,
2932 .config_aneg = m88e1510_config_aneg,
2933 .read_status = marvell_read_status,
2934 .config_intr = marvell_config_intr,
2935 .handle_interrupt = marvell_handle_interrupt,
2936 .get_wol = m88e1318_get_wol,
2937 .set_wol = m88e1318_set_wol,
2938 .resume = marvell_resume,
2939 .suspend = marvell_suspend,
2940 .read_page = marvell_read_page,
2941 .write_page = marvell_write_page,
2942 .get_sset_count = marvell_get_sset_count,
2943 .get_strings = marvell_get_strings,
2944 .get_stats = marvell_get_stats,
2945 .set_loopback = genphy_loopback,
2946 .get_tunable = m88e1011_get_tunable,
2947 .set_tunable = m88e1011_set_tunable,
2948 .cable_test_start = marvell_vct7_cable_test_start,
2949 .cable_test_tdr_start = marvell_vct5_cable_test_tdr_start,
2950 .cable_test_get_status = marvell_vct7_cable_test_get_status,
2951 },
2952 {
2953 .phy_id = MARVELL_PHY_ID_88E1540,
2954 .phy_id_mask = MARVELL_PHY_ID_MASK,
2955 .name = "Marvell 88E1540",
2956 .driver_data = DEF_MARVELL_HWMON_OPS(m88e1510_hwmon_ops),
2957 /* PHY_GBIT_FEATURES */
2958 .flags = PHY_POLL_CABLE_TEST,
2959 .probe = marvell_probe,
2960 .config_init = marvell_1011gbe_config_init,
2961 .config_aneg = m88e1510_config_aneg,
2962 .read_status = marvell_read_status,
2963 .config_intr = marvell_config_intr,
2964 .handle_interrupt = marvell_handle_interrupt,
2965 .resume = genphy_resume,
2966 .suspend = genphy_suspend,
2967 .read_page = marvell_read_page,
2968 .write_page = marvell_write_page,
2969 .get_sset_count = marvell_get_sset_count,
2970 .get_strings = marvell_get_strings,
2971 .get_stats = marvell_get_stats,
2972 .get_tunable = m88e1540_get_tunable,
2973 .set_tunable = m88e1540_set_tunable,
2974 .cable_test_start = marvell_vct7_cable_test_start,
2975 .cable_test_tdr_start = marvell_vct5_cable_test_tdr_start,
2976 .cable_test_get_status = marvell_vct7_cable_test_get_status,
2977 },
2978 {
2979 .phy_id = MARVELL_PHY_ID_88E1545,
2980 .phy_id_mask = MARVELL_PHY_ID_MASK,
2981 .name = "Marvell 88E1545",
2982 .driver_data = DEF_MARVELL_HWMON_OPS(m88e1510_hwmon_ops),
2983 .probe = marvell_probe,
2984 /* PHY_GBIT_FEATURES */
2985 .flags = PHY_POLL_CABLE_TEST,
2986 .config_init = marvell_1011gbe_config_init,
2987 .config_aneg = m88e1510_config_aneg,
2988 .read_status = marvell_read_status,
2989 .config_intr = marvell_config_intr,
2990 .handle_interrupt = marvell_handle_interrupt,
2991 .resume = genphy_resume,
2992 .suspend = genphy_suspend,
2993 .read_page = marvell_read_page,
2994 .write_page = marvell_write_page,
2995 .get_sset_count = marvell_get_sset_count,
2996 .get_strings = marvell_get_strings,
2997 .get_stats = marvell_get_stats,
2998 .get_tunable = m88e1540_get_tunable,
2999 .set_tunable = m88e1540_set_tunable,
3000 .cable_test_start = marvell_vct7_cable_test_start,
3001 .cable_test_tdr_start = marvell_vct5_cable_test_tdr_start,
3002 .cable_test_get_status = marvell_vct7_cable_test_get_status,
3003 },
3004 {
3005 .phy_id = MARVELL_PHY_ID_88E3016,
3006 .phy_id_mask = MARVELL_PHY_ID_MASK,
3007 .name = "Marvell 88E3016",
3008 /* PHY_BASIC_FEATURES */
3009 .probe = marvell_probe,
3010 .config_init = m88e3016_config_init,
3011 .aneg_done = marvell_aneg_done,
3012 .read_status = marvell_read_status,
3013 .config_intr = marvell_config_intr,
3014 .handle_interrupt = marvell_handle_interrupt,
3015 .resume = genphy_resume,
3016 .suspend = genphy_suspend,
3017 .read_page = marvell_read_page,
3018 .write_page = marvell_write_page,
3019 .get_sset_count = marvell_get_sset_count,
3020 .get_strings = marvell_get_strings,
3021 .get_stats = marvell_get_stats,
3022 },
3023 {
3024 .phy_id = MARVELL_PHY_ID_88E6341_FAMILY,
3025 .phy_id_mask = MARVELL_PHY_ID_MASK,
3026 .name = "Marvell 88E6341 Family",
3027 .driver_data = DEF_MARVELL_HWMON_OPS(m88e1510_hwmon_ops),
3028 /* PHY_GBIT_FEATURES */
3029 .flags = PHY_POLL_CABLE_TEST,
3030 .probe = marvell_probe,
3031 .config_init = marvell_1011gbe_config_init,
3032 .config_aneg = m88e6390_config_aneg,
3033 .read_status = marvell_read_status,
3034 .config_intr = marvell_config_intr,
3035 .handle_interrupt = marvell_handle_interrupt,
3036 .resume = genphy_resume,
3037 .suspend = genphy_suspend,
3038 .read_page = marvell_read_page,
3039 .write_page = marvell_write_page,
3040 .get_sset_count = marvell_get_sset_count,
3041 .get_strings = marvell_get_strings,
3042 .get_stats = marvell_get_stats,
3043 .get_tunable = m88e1540_get_tunable,
3044 .set_tunable = m88e1540_set_tunable,
3045 .cable_test_start = marvell_vct7_cable_test_start,
3046 .cable_test_tdr_start = marvell_vct5_cable_test_tdr_start,
3047 .cable_test_get_status = marvell_vct7_cable_test_get_status,
3048 },
3049 {
3050 .phy_id = MARVELL_PHY_ID_88E6390_FAMILY,
3051 .phy_id_mask = MARVELL_PHY_ID_MASK,
3052 .name = "Marvell 88E6390 Family",
3053 .driver_data = DEF_MARVELL_HWMON_OPS(m88e6390_hwmon_ops),
3054 /* PHY_GBIT_FEATURES */
3055 .flags = PHY_POLL_CABLE_TEST,
3056 .probe = marvell_probe,
3057 .config_init = marvell_1011gbe_config_init,
3058 .config_aneg = m88e6390_config_aneg,
3059 .read_status = marvell_read_status,
3060 .config_intr = marvell_config_intr,
3061 .handle_interrupt = marvell_handle_interrupt,
3062 .resume = genphy_resume,
3063 .suspend = genphy_suspend,
3064 .read_page = marvell_read_page,
3065 .write_page = marvell_write_page,
3066 .get_sset_count = marvell_get_sset_count,
3067 .get_strings = marvell_get_strings,
3068 .get_stats = marvell_get_stats,
3069 .get_tunable = m88e1540_get_tunable,
3070 .set_tunable = m88e1540_set_tunable,
3071 .cable_test_start = marvell_vct7_cable_test_start,
3072 .cable_test_tdr_start = marvell_vct5_cable_test_tdr_start,
3073 .cable_test_get_status = marvell_vct7_cable_test_get_status,
3074 },
3075 {
3076 .phy_id = MARVELL_PHY_ID_88E6393_FAMILY,
3077 .phy_id_mask = MARVELL_PHY_ID_MASK,
3078 .name = "Marvell 88E6393 Family",
3079 .driver_data = DEF_MARVELL_HWMON_OPS(m88e6393_hwmon_ops),
3080 /* PHY_GBIT_FEATURES */
3081 .flags = PHY_POLL_CABLE_TEST,
3082 .probe = marvell_probe,
3083 .config_init = marvell_1011gbe_config_init,
3084 .config_aneg = m88e1510_config_aneg,
3085 .read_status = marvell_read_status,
3086 .config_intr = marvell_config_intr,
3087 .handle_interrupt = marvell_handle_interrupt,
3088 .resume = genphy_resume,
3089 .suspend = genphy_suspend,
3090 .read_page = marvell_read_page,
3091 .write_page = marvell_write_page,
3092 .get_sset_count = marvell_get_sset_count,
3093 .get_strings = marvell_get_strings,
3094 .get_stats = marvell_get_stats,
3095 .get_tunable = m88e1540_get_tunable,
3096 .set_tunable = m88e1540_set_tunable,
3097 .cable_test_start = marvell_vct7_cable_test_start,
3098 .cable_test_tdr_start = marvell_vct5_cable_test_tdr_start,
3099 .cable_test_get_status = marvell_vct7_cable_test_get_status,
3100 },
3101 {
3102 .phy_id = MARVELL_PHY_ID_88E1340S,
3103 .phy_id_mask = MARVELL_PHY_ID_MASK,
3104 .name = "Marvell 88E1340S",
3105 .driver_data = DEF_MARVELL_HWMON_OPS(m88e1510_hwmon_ops),
3106 .probe = marvell_probe,
3107 /* PHY_GBIT_FEATURES */
3108 .config_init = marvell_1011gbe_config_init,
3109 .config_aneg = m88e1510_config_aneg,
3110 .read_status = marvell_read_status,
3111 .config_intr = marvell_config_intr,
3112 .handle_interrupt = marvell_handle_interrupt,
3113 .resume = genphy_resume,
3114 .suspend = genphy_suspend,
3115 .read_page = marvell_read_page,
3116 .write_page = marvell_write_page,
3117 .get_sset_count = marvell_get_sset_count,
3118 .get_strings = marvell_get_strings,
3119 .get_stats = marvell_get_stats,
3120 .get_tunable = m88e1540_get_tunable,
3121 .set_tunable = m88e1540_set_tunable,
3122 },
3123 {
3124 .phy_id = MARVELL_PHY_ID_88E1548P,
3125 .phy_id_mask = MARVELL_PHY_ID_MASK,
3126 .name = "Marvell 88E1548P",
3127 .driver_data = DEF_MARVELL_HWMON_OPS(m88e1510_hwmon_ops),
3128 .probe = marvell_probe,
3129 .features = PHY_GBIT_FIBRE_FEATURES,
3130 .config_init = marvell_1011gbe_config_init,
3131 .config_aneg = m88e1510_config_aneg,
3132 .read_status = marvell_read_status,
3133 .config_intr = marvell_config_intr,
3134 .handle_interrupt = marvell_handle_interrupt,
3135 .resume = genphy_resume,
3136 .suspend = genphy_suspend,
3137 .read_page = marvell_read_page,
3138 .write_page = marvell_write_page,
3139 .get_sset_count = marvell_get_sset_count,
3140 .get_strings = marvell_get_strings,
3141 .get_stats = marvell_get_stats,
3142 .get_tunable = m88e1540_get_tunable,
3143 .set_tunable = m88e1540_set_tunable,
3144 },
3145};
3146
3147module_phy_driver(marvell_drivers);
3148
3149static struct mdio_device_id __maybe_unused marvell_tbl[] = {
3150 { MARVELL_PHY_ID_88E1101, MARVELL_PHY_ID_MASK },
3151 { MARVELL_PHY_ID_88E1112, MARVELL_PHY_ID_MASK },
3152 { MARVELL_PHY_ID_88E1111, MARVELL_PHY_ID_MASK },
3153 { MARVELL_PHY_ID_88E1111_FINISAR, MARVELL_PHY_ID_MASK },
3154 { MARVELL_PHY_ID_88E1118, MARVELL_PHY_ID_MASK },
3155 { MARVELL_PHY_ID_88E1121R, MARVELL_PHY_ID_MASK },
3156 { MARVELL_PHY_ID_88E1145, MARVELL_PHY_ID_MASK },
3157 { MARVELL_PHY_ID_88E1149R, MARVELL_PHY_ID_MASK },
3158 { MARVELL_PHY_ID_88E1240, MARVELL_PHY_ID_MASK },
3159 { MARVELL_PHY_ID_88E1318S, MARVELL_PHY_ID_MASK },
3160 { MARVELL_PHY_ID_88E1116R, MARVELL_PHY_ID_MASK },
3161 { MARVELL_PHY_ID_88E1510, MARVELL_PHY_ID_MASK },
3162 { MARVELL_PHY_ID_88E1540, MARVELL_PHY_ID_MASK },
3163 { MARVELL_PHY_ID_88E1545, MARVELL_PHY_ID_MASK },
3164 { MARVELL_PHY_ID_88E3016, MARVELL_PHY_ID_MASK },
3165 { MARVELL_PHY_ID_88E6341_FAMILY, MARVELL_PHY_ID_MASK },
3166 { MARVELL_PHY_ID_88E6390_FAMILY, MARVELL_PHY_ID_MASK },
3167 { MARVELL_PHY_ID_88E6393_FAMILY, MARVELL_PHY_ID_MASK },
3168 { MARVELL_PHY_ID_88E1340S, MARVELL_PHY_ID_MASK },
3169 { MARVELL_PHY_ID_88E1548P, MARVELL_PHY_ID_MASK },
3170 { }
3171};
3172
3173MODULE_DEVICE_TABLE(mdio, marvell_tbl);