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1// SPDX-License-Identifier: GPL-2.0+
2/* drivers/net/phy/realtek.c
3 *
4 * Driver for Realtek PHYs
5 *
6 * Author: Johnson Leung <r58129@freescale.com>
7 *
8 * Copyright (c) 2004 Freescale Semiconductor, Inc.
9 */
10#include <linux/bitops.h>
11#include <linux/of.h>
12#include <linux/phy.h>
13#include <linux/module.h>
14#include <linux/delay.h>
15#include <linux/clk.h>
16
17#define RTL821x_PHYSR 0x11
18#define RTL821x_PHYSR_DUPLEX BIT(13)
19#define RTL821x_PHYSR_SPEED GENMASK(15, 14)
20
21#define RTL821x_INER 0x12
22#define RTL8211B_INER_INIT 0x6400
23#define RTL8211E_INER_LINK_STATUS BIT(10)
24#define RTL8211F_INER_LINK_STATUS BIT(4)
25
26#define RTL821x_INSR 0x13
27
28#define RTL821x_EXT_PAGE_SELECT 0x1e
29#define RTL821x_PAGE_SELECT 0x1f
30
31#define RTL8211F_PHYCR1 0x18
32#define RTL8211F_PHYCR2 0x19
33#define RTL8211F_INSR 0x1d
34
35#define RTL8211F_LEDCR 0x10
36#define RTL8211F_LEDCR_MODE BIT(15)
37#define RTL8211F_LEDCR_ACT_TXRX BIT(4)
38#define RTL8211F_LEDCR_LINK_1000 BIT(3)
39#define RTL8211F_LEDCR_LINK_100 BIT(1)
40#define RTL8211F_LEDCR_LINK_10 BIT(0)
41#define RTL8211F_LEDCR_MASK GENMASK(4, 0)
42#define RTL8211F_LEDCR_SHIFT 5
43
44#define RTL8211F_TX_DELAY BIT(8)
45#define RTL8211F_RX_DELAY BIT(3)
46
47#define RTL8211F_ALDPS_PLL_OFF BIT(1)
48#define RTL8211F_ALDPS_ENABLE BIT(2)
49#define RTL8211F_ALDPS_XTAL_OFF BIT(12)
50
51#define RTL8211E_CTRL_DELAY BIT(13)
52#define RTL8211E_TX_DELAY BIT(12)
53#define RTL8211E_RX_DELAY BIT(11)
54
55#define RTL8211F_CLKOUT_EN BIT(0)
56
57#define RTL8201F_ISR 0x1e
58#define RTL8201F_ISR_ANERR BIT(15)
59#define RTL8201F_ISR_DUPLEX BIT(13)
60#define RTL8201F_ISR_LINK BIT(11)
61#define RTL8201F_ISR_MASK (RTL8201F_ISR_ANERR | \
62 RTL8201F_ISR_DUPLEX | \
63 RTL8201F_ISR_LINK)
64#define RTL8201F_IER 0x13
65
66#define RTL822X_VND1_SERDES_OPTION 0x697a
67#define RTL822X_VND1_SERDES_OPTION_MODE_MASK GENMASK(5, 0)
68#define RTL822X_VND1_SERDES_OPTION_MODE_2500BASEX_SGMII 0
69#define RTL822X_VND1_SERDES_OPTION_MODE_2500BASEX 2
70
71#define RTL822X_VND1_SERDES_CTRL3 0x7580
72#define RTL822X_VND1_SERDES_CTRL3_MODE_MASK GENMASK(5, 0)
73#define RTL822X_VND1_SERDES_CTRL3_MODE_SGMII 0x02
74#define RTL822X_VND1_SERDES_CTRL3_MODE_2500BASEX 0x16
75
76/* RTL822X_VND2_XXXXX registers are only accessible when phydev->is_c45
77 * is set, they cannot be accessed by C45-over-C22.
78 */
79#define RTL822X_VND2_GBCR 0xa412
80
81#define RTL822X_VND2_GANLPAR 0xa414
82
83#define RTL8366RB_POWER_SAVE 0x15
84#define RTL8366RB_POWER_SAVE_ON BIT(12)
85
86#define RTL9000A_GINMR 0x14
87#define RTL9000A_GINMR_LINK_STATUS BIT(4)
88
89#define RTL_VND2_PHYSR 0xa434
90#define RTL_VND2_PHYSR_DUPLEX BIT(3)
91#define RTL_VND2_PHYSR_SPEEDL GENMASK(5, 4)
92#define RTL_VND2_PHYSR_SPEEDH GENMASK(10, 9)
93#define RTL_VND2_PHYSR_MASTER BIT(11)
94#define RTL_VND2_PHYSR_SPEED_MASK (RTL_VND2_PHYSR_SPEEDL | RTL_VND2_PHYSR_SPEEDH)
95
96#define RTL_GENERIC_PHYID 0x001cc800
97#define RTL_8211FVD_PHYID 0x001cc878
98#define RTL_8221B 0x001cc840
99#define RTL_8221B_VB_CG 0x001cc849
100#define RTL_8221B_VN_CG 0x001cc84a
101#define RTL_8251B 0x001cc862
102
103#define RTL8211F_LED_COUNT 3
104
105MODULE_DESCRIPTION("Realtek PHY driver");
106MODULE_AUTHOR("Johnson Leung");
107MODULE_LICENSE("GPL");
108
109struct rtl821x_priv {
110 u16 phycr1;
111 u16 phycr2;
112 bool has_phycr2;
113 struct clk *clk;
114};
115
116static int rtl821x_read_page(struct phy_device *phydev)
117{
118 return __phy_read(phydev, RTL821x_PAGE_SELECT);
119}
120
121static int rtl821x_write_page(struct phy_device *phydev, int page)
122{
123 return __phy_write(phydev, RTL821x_PAGE_SELECT, page);
124}
125
126static int rtl821x_probe(struct phy_device *phydev)
127{
128 struct device *dev = &phydev->mdio.dev;
129 struct rtl821x_priv *priv;
130 u32 phy_id = phydev->drv->phy_id;
131 int ret;
132
133 priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
134 if (!priv)
135 return -ENOMEM;
136
137 priv->clk = devm_clk_get_optional_enabled(dev, NULL);
138 if (IS_ERR(priv->clk))
139 return dev_err_probe(dev, PTR_ERR(priv->clk),
140 "failed to get phy clock\n");
141
142 ret = phy_read_paged(phydev, 0xa43, RTL8211F_PHYCR1);
143 if (ret < 0)
144 return ret;
145
146 priv->phycr1 = ret & (RTL8211F_ALDPS_PLL_OFF | RTL8211F_ALDPS_ENABLE | RTL8211F_ALDPS_XTAL_OFF);
147 if (of_property_read_bool(dev->of_node, "realtek,aldps-enable"))
148 priv->phycr1 |= RTL8211F_ALDPS_PLL_OFF | RTL8211F_ALDPS_ENABLE | RTL8211F_ALDPS_XTAL_OFF;
149
150 priv->has_phycr2 = !(phy_id == RTL_8211FVD_PHYID);
151 if (priv->has_phycr2) {
152 ret = phy_read_paged(phydev, 0xa43, RTL8211F_PHYCR2);
153 if (ret < 0)
154 return ret;
155
156 priv->phycr2 = ret & RTL8211F_CLKOUT_EN;
157 if (of_property_read_bool(dev->of_node, "realtek,clkout-disable"))
158 priv->phycr2 &= ~RTL8211F_CLKOUT_EN;
159 }
160
161 phydev->priv = priv;
162
163 return 0;
164}
165
166static int rtl8201_ack_interrupt(struct phy_device *phydev)
167{
168 int err;
169
170 err = phy_read(phydev, RTL8201F_ISR);
171
172 return (err < 0) ? err : 0;
173}
174
175static int rtl821x_ack_interrupt(struct phy_device *phydev)
176{
177 int err;
178
179 err = phy_read(phydev, RTL821x_INSR);
180
181 return (err < 0) ? err : 0;
182}
183
184static int rtl8211f_ack_interrupt(struct phy_device *phydev)
185{
186 int err;
187
188 err = phy_read_paged(phydev, 0xa43, RTL8211F_INSR);
189
190 return (err < 0) ? err : 0;
191}
192
193static int rtl8201_config_intr(struct phy_device *phydev)
194{
195 u16 val;
196 int err;
197
198 if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
199 err = rtl8201_ack_interrupt(phydev);
200 if (err)
201 return err;
202
203 val = BIT(13) | BIT(12) | BIT(11);
204 err = phy_write_paged(phydev, 0x7, RTL8201F_IER, val);
205 } else {
206 val = 0;
207 err = phy_write_paged(phydev, 0x7, RTL8201F_IER, val);
208 if (err)
209 return err;
210
211 err = rtl8201_ack_interrupt(phydev);
212 }
213
214 return err;
215}
216
217static int rtl8211b_config_intr(struct phy_device *phydev)
218{
219 int err;
220
221 if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
222 err = rtl821x_ack_interrupt(phydev);
223 if (err)
224 return err;
225
226 err = phy_write(phydev, RTL821x_INER,
227 RTL8211B_INER_INIT);
228 } else {
229 err = phy_write(phydev, RTL821x_INER, 0);
230 if (err)
231 return err;
232
233 err = rtl821x_ack_interrupt(phydev);
234 }
235
236 return err;
237}
238
239static int rtl8211e_config_intr(struct phy_device *phydev)
240{
241 int err;
242
243 if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
244 err = rtl821x_ack_interrupt(phydev);
245 if (err)
246 return err;
247
248 err = phy_write(phydev, RTL821x_INER,
249 RTL8211E_INER_LINK_STATUS);
250 } else {
251 err = phy_write(phydev, RTL821x_INER, 0);
252 if (err)
253 return err;
254
255 err = rtl821x_ack_interrupt(phydev);
256 }
257
258 return err;
259}
260
261static int rtl8211f_config_intr(struct phy_device *phydev)
262{
263 u16 val;
264 int err;
265
266 if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
267 err = rtl8211f_ack_interrupt(phydev);
268 if (err)
269 return err;
270
271 val = RTL8211F_INER_LINK_STATUS;
272 err = phy_write_paged(phydev, 0xa42, RTL821x_INER, val);
273 } else {
274 val = 0;
275 err = phy_write_paged(phydev, 0xa42, RTL821x_INER, val);
276 if (err)
277 return err;
278
279 err = rtl8211f_ack_interrupt(phydev);
280 }
281
282 return err;
283}
284
285static irqreturn_t rtl8201_handle_interrupt(struct phy_device *phydev)
286{
287 int irq_status;
288
289 irq_status = phy_read(phydev, RTL8201F_ISR);
290 if (irq_status < 0) {
291 phy_error(phydev);
292 return IRQ_NONE;
293 }
294
295 if (!(irq_status & RTL8201F_ISR_MASK))
296 return IRQ_NONE;
297
298 phy_trigger_machine(phydev);
299
300 return IRQ_HANDLED;
301}
302
303static irqreturn_t rtl821x_handle_interrupt(struct phy_device *phydev)
304{
305 int irq_status, irq_enabled;
306
307 irq_status = phy_read(phydev, RTL821x_INSR);
308 if (irq_status < 0) {
309 phy_error(phydev);
310 return IRQ_NONE;
311 }
312
313 irq_enabled = phy_read(phydev, RTL821x_INER);
314 if (irq_enabled < 0) {
315 phy_error(phydev);
316 return IRQ_NONE;
317 }
318
319 if (!(irq_status & irq_enabled))
320 return IRQ_NONE;
321
322 phy_trigger_machine(phydev);
323
324 return IRQ_HANDLED;
325}
326
327static irqreturn_t rtl8211f_handle_interrupt(struct phy_device *phydev)
328{
329 int irq_status;
330
331 irq_status = phy_read_paged(phydev, 0xa43, RTL8211F_INSR);
332 if (irq_status < 0) {
333 phy_error(phydev);
334 return IRQ_NONE;
335 }
336
337 if (!(irq_status & RTL8211F_INER_LINK_STATUS))
338 return IRQ_NONE;
339
340 phy_trigger_machine(phydev);
341
342 return IRQ_HANDLED;
343}
344
345static int rtl8211_config_aneg(struct phy_device *phydev)
346{
347 int ret;
348
349 ret = genphy_config_aneg(phydev);
350 if (ret < 0)
351 return ret;
352
353 /* Quirk was copied from vendor driver. Unfortunately it includes no
354 * description of the magic numbers.
355 */
356 if (phydev->speed == SPEED_100 && phydev->autoneg == AUTONEG_DISABLE) {
357 phy_write(phydev, 0x17, 0x2138);
358 phy_write(phydev, 0x0e, 0x0260);
359 } else {
360 phy_write(phydev, 0x17, 0x2108);
361 phy_write(phydev, 0x0e, 0x0000);
362 }
363
364 return 0;
365}
366
367static int rtl8211c_config_init(struct phy_device *phydev)
368{
369 /* RTL8211C has an issue when operating in Gigabit slave mode */
370 return phy_set_bits(phydev, MII_CTRL1000,
371 CTL1000_ENABLE_MASTER | CTL1000_AS_MASTER);
372}
373
374static int rtl8211f_config_init(struct phy_device *phydev)
375{
376 struct rtl821x_priv *priv = phydev->priv;
377 struct device *dev = &phydev->mdio.dev;
378 u16 val_txdly, val_rxdly;
379 int ret;
380
381 ret = phy_modify_paged_changed(phydev, 0xa43, RTL8211F_PHYCR1,
382 RTL8211F_ALDPS_PLL_OFF | RTL8211F_ALDPS_ENABLE | RTL8211F_ALDPS_XTAL_OFF,
383 priv->phycr1);
384 if (ret < 0) {
385 dev_err(dev, "aldps mode configuration failed: %pe\n",
386 ERR_PTR(ret));
387 return ret;
388 }
389
390 switch (phydev->interface) {
391 case PHY_INTERFACE_MODE_RGMII:
392 val_txdly = 0;
393 val_rxdly = 0;
394 break;
395
396 case PHY_INTERFACE_MODE_RGMII_RXID:
397 val_txdly = 0;
398 val_rxdly = RTL8211F_RX_DELAY;
399 break;
400
401 case PHY_INTERFACE_MODE_RGMII_TXID:
402 val_txdly = RTL8211F_TX_DELAY;
403 val_rxdly = 0;
404 break;
405
406 case PHY_INTERFACE_MODE_RGMII_ID:
407 val_txdly = RTL8211F_TX_DELAY;
408 val_rxdly = RTL8211F_RX_DELAY;
409 break;
410
411 default: /* the rest of the modes imply leaving delay as is. */
412 return 0;
413 }
414
415 ret = phy_modify_paged_changed(phydev, 0xd08, 0x11, RTL8211F_TX_DELAY,
416 val_txdly);
417 if (ret < 0) {
418 dev_err(dev, "Failed to update the TX delay register\n");
419 return ret;
420 } else if (ret) {
421 dev_dbg(dev,
422 "%s 2ns TX delay (and changing the value from pin-strapping RXD1 or the bootloader)\n",
423 val_txdly ? "Enabling" : "Disabling");
424 } else {
425 dev_dbg(dev,
426 "2ns TX delay was already %s (by pin-strapping RXD1 or bootloader configuration)\n",
427 val_txdly ? "enabled" : "disabled");
428 }
429
430 ret = phy_modify_paged_changed(phydev, 0xd08, 0x15, RTL8211F_RX_DELAY,
431 val_rxdly);
432 if (ret < 0) {
433 dev_err(dev, "Failed to update the RX delay register\n");
434 return ret;
435 } else if (ret) {
436 dev_dbg(dev,
437 "%s 2ns RX delay (and changing the value from pin-strapping RXD0 or the bootloader)\n",
438 val_rxdly ? "Enabling" : "Disabling");
439 } else {
440 dev_dbg(dev,
441 "2ns RX delay was already %s (by pin-strapping RXD0 or bootloader configuration)\n",
442 val_rxdly ? "enabled" : "disabled");
443 }
444
445 if (priv->has_phycr2) {
446 ret = phy_modify_paged(phydev, 0xa43, RTL8211F_PHYCR2,
447 RTL8211F_CLKOUT_EN, priv->phycr2);
448 if (ret < 0) {
449 dev_err(dev, "clkout configuration failed: %pe\n",
450 ERR_PTR(ret));
451 return ret;
452 }
453
454 return genphy_soft_reset(phydev);
455 }
456
457 return 0;
458}
459
460static int rtl821x_suspend(struct phy_device *phydev)
461{
462 struct rtl821x_priv *priv = phydev->priv;
463 int ret = 0;
464
465 if (!phydev->wol_enabled) {
466 ret = genphy_suspend(phydev);
467
468 if (ret)
469 return ret;
470
471 clk_disable_unprepare(priv->clk);
472 }
473
474 return ret;
475}
476
477static int rtl821x_resume(struct phy_device *phydev)
478{
479 struct rtl821x_priv *priv = phydev->priv;
480 int ret;
481
482 if (!phydev->wol_enabled)
483 clk_prepare_enable(priv->clk);
484
485 ret = genphy_resume(phydev);
486 if (ret < 0)
487 return ret;
488
489 msleep(20);
490
491 return 0;
492}
493
494static int rtl8211f_led_hw_is_supported(struct phy_device *phydev, u8 index,
495 unsigned long rules)
496{
497 const unsigned long mask = BIT(TRIGGER_NETDEV_LINK_10) |
498 BIT(TRIGGER_NETDEV_LINK_100) |
499 BIT(TRIGGER_NETDEV_LINK_1000) |
500 BIT(TRIGGER_NETDEV_RX) |
501 BIT(TRIGGER_NETDEV_TX);
502
503 /* The RTL8211F PHY supports these LED settings on up to three LEDs:
504 * - Link: Configurable subset of 10/100/1000 link rates
505 * - Active: Blink on activity, RX or TX is not differentiated
506 * The Active option has two modes, A and B:
507 * - A: Link and Active indication at configurable, but matching,
508 * subset of 10/100/1000 link rates
509 * - B: Link indication at configurable subset of 10/100/1000 link
510 * rates and Active indication always at all three 10+100+1000
511 * link rates.
512 * This code currently uses mode B only.
513 */
514
515 if (index >= RTL8211F_LED_COUNT)
516 return -EINVAL;
517
518 /* Filter out any other unsupported triggers. */
519 if (rules & ~mask)
520 return -EOPNOTSUPP;
521
522 /* RX and TX are not differentiated, either both are set or not set. */
523 if (!(rules & BIT(TRIGGER_NETDEV_RX)) ^ !(rules & BIT(TRIGGER_NETDEV_TX)))
524 return -EOPNOTSUPP;
525
526 return 0;
527}
528
529static int rtl8211f_led_hw_control_get(struct phy_device *phydev, u8 index,
530 unsigned long *rules)
531{
532 int val;
533
534 if (index >= RTL8211F_LED_COUNT)
535 return -EINVAL;
536
537 val = phy_read_paged(phydev, 0xd04, RTL8211F_LEDCR);
538 if (val < 0)
539 return val;
540
541 val >>= RTL8211F_LEDCR_SHIFT * index;
542 val &= RTL8211F_LEDCR_MASK;
543
544 if (val & RTL8211F_LEDCR_LINK_10)
545 set_bit(TRIGGER_NETDEV_LINK_10, rules);
546
547 if (val & RTL8211F_LEDCR_LINK_100)
548 set_bit(TRIGGER_NETDEV_LINK_100, rules);
549
550 if (val & RTL8211F_LEDCR_LINK_1000)
551 set_bit(TRIGGER_NETDEV_LINK_1000, rules);
552
553 if (val & RTL8211F_LEDCR_ACT_TXRX) {
554 set_bit(TRIGGER_NETDEV_RX, rules);
555 set_bit(TRIGGER_NETDEV_TX, rules);
556 }
557
558 return 0;
559}
560
561static int rtl8211f_led_hw_control_set(struct phy_device *phydev, u8 index,
562 unsigned long rules)
563{
564 const u16 mask = RTL8211F_LEDCR_MASK << (RTL8211F_LEDCR_SHIFT * index);
565 u16 reg = 0;
566
567 if (index >= RTL8211F_LED_COUNT)
568 return -EINVAL;
569
570 if (test_bit(TRIGGER_NETDEV_LINK_10, &rules))
571 reg |= RTL8211F_LEDCR_LINK_10;
572
573 if (test_bit(TRIGGER_NETDEV_LINK_100, &rules))
574 reg |= RTL8211F_LEDCR_LINK_100;
575
576 if (test_bit(TRIGGER_NETDEV_LINK_1000, &rules))
577 reg |= RTL8211F_LEDCR_LINK_1000;
578
579 if (test_bit(TRIGGER_NETDEV_RX, &rules) ||
580 test_bit(TRIGGER_NETDEV_TX, &rules)) {
581 reg |= RTL8211F_LEDCR_ACT_TXRX;
582 }
583
584 reg <<= RTL8211F_LEDCR_SHIFT * index;
585 reg |= RTL8211F_LEDCR_MODE; /* Mode B */
586
587 return phy_modify_paged(phydev, 0xd04, RTL8211F_LEDCR, mask, reg);
588}
589
590static int rtl8211e_config_init(struct phy_device *phydev)
591{
592 int ret = 0, oldpage;
593 u16 val;
594
595 /* enable TX/RX delay for rgmii-* modes, and disable them for rgmii. */
596 switch (phydev->interface) {
597 case PHY_INTERFACE_MODE_RGMII:
598 val = RTL8211E_CTRL_DELAY | 0;
599 break;
600 case PHY_INTERFACE_MODE_RGMII_ID:
601 val = RTL8211E_CTRL_DELAY | RTL8211E_TX_DELAY | RTL8211E_RX_DELAY;
602 break;
603 case PHY_INTERFACE_MODE_RGMII_RXID:
604 val = RTL8211E_CTRL_DELAY | RTL8211E_RX_DELAY;
605 break;
606 case PHY_INTERFACE_MODE_RGMII_TXID:
607 val = RTL8211E_CTRL_DELAY | RTL8211E_TX_DELAY;
608 break;
609 default: /* the rest of the modes imply leaving delays as is. */
610 return 0;
611 }
612
613 /* According to a sample driver there is a 0x1c config register on the
614 * 0xa4 extension page (0x7) layout. It can be used to disable/enable
615 * the RX/TX delays otherwise controlled by RXDLY/TXDLY pins.
616 * The configuration register definition:
617 * 14 = reserved
618 * 13 = Force Tx RX Delay controlled by bit12 bit11,
619 * 12 = RX Delay, 11 = TX Delay
620 * 10:0 = Test && debug settings reserved by realtek
621 */
622 oldpage = phy_select_page(phydev, 0x7);
623 if (oldpage < 0)
624 goto err_restore_page;
625
626 ret = __phy_write(phydev, RTL821x_EXT_PAGE_SELECT, 0xa4);
627 if (ret)
628 goto err_restore_page;
629
630 ret = __phy_modify(phydev, 0x1c, RTL8211E_CTRL_DELAY
631 | RTL8211E_TX_DELAY | RTL8211E_RX_DELAY,
632 val);
633
634err_restore_page:
635 return phy_restore_page(phydev, oldpage, ret);
636}
637
638static int rtl8211b_suspend(struct phy_device *phydev)
639{
640 phy_write(phydev, MII_MMD_DATA, BIT(9));
641
642 return genphy_suspend(phydev);
643}
644
645static int rtl8211b_resume(struct phy_device *phydev)
646{
647 phy_write(phydev, MII_MMD_DATA, 0);
648
649 return genphy_resume(phydev);
650}
651
652static int rtl8366rb_config_init(struct phy_device *phydev)
653{
654 int ret;
655
656 ret = phy_set_bits(phydev, RTL8366RB_POWER_SAVE,
657 RTL8366RB_POWER_SAVE_ON);
658 if (ret) {
659 dev_err(&phydev->mdio.dev,
660 "error enabling power management\n");
661 }
662
663 return ret;
664}
665
666/* get actual speed to cover the downshift case */
667static void rtlgen_decode_physr(struct phy_device *phydev, int val)
668{
669 /* bit 3
670 * 0: Half Duplex
671 * 1: Full Duplex
672 */
673 if (val & RTL_VND2_PHYSR_DUPLEX)
674 phydev->duplex = DUPLEX_FULL;
675 else
676 phydev->duplex = DUPLEX_HALF;
677
678 switch (val & RTL_VND2_PHYSR_SPEED_MASK) {
679 case 0x0000:
680 phydev->speed = SPEED_10;
681 break;
682 case 0x0010:
683 phydev->speed = SPEED_100;
684 break;
685 case 0x0020:
686 phydev->speed = SPEED_1000;
687 break;
688 case 0x0200:
689 phydev->speed = SPEED_10000;
690 break;
691 case 0x0210:
692 phydev->speed = SPEED_2500;
693 break;
694 case 0x0220:
695 phydev->speed = SPEED_5000;
696 break;
697 default:
698 break;
699 }
700
701 /* bit 11
702 * 0: Slave Mode
703 * 1: Master Mode
704 */
705 if (phydev->speed >= 1000) {
706 if (val & RTL_VND2_PHYSR_MASTER)
707 phydev->master_slave_state = MASTER_SLAVE_STATE_MASTER;
708 else
709 phydev->master_slave_state = MASTER_SLAVE_STATE_SLAVE;
710 } else {
711 phydev->master_slave_state = MASTER_SLAVE_STATE_UNSUPPORTED;
712 }
713}
714
715static int rtlgen_read_status(struct phy_device *phydev)
716{
717 int ret, val;
718
719 ret = genphy_read_status(phydev);
720 if (ret < 0)
721 return ret;
722
723 if (!phydev->link)
724 return 0;
725
726 val = phy_read_paged(phydev, 0xa43, 0x12);
727 if (val < 0)
728 return val;
729
730 rtlgen_decode_physr(phydev, val);
731
732 return 0;
733}
734
735static int rtlgen_read_mmd(struct phy_device *phydev, int devnum, u16 regnum)
736{
737 int ret;
738
739 if (devnum == MDIO_MMD_PCS && regnum == MDIO_PCS_EEE_ABLE) {
740 rtl821x_write_page(phydev, 0xa5c);
741 ret = __phy_read(phydev, 0x12);
742 rtl821x_write_page(phydev, 0);
743 } else if (devnum == MDIO_MMD_AN && regnum == MDIO_AN_EEE_ADV) {
744 rtl821x_write_page(phydev, 0xa5d);
745 ret = __phy_read(phydev, 0x10);
746 rtl821x_write_page(phydev, 0);
747 } else if (devnum == MDIO_MMD_AN && regnum == MDIO_AN_EEE_LPABLE) {
748 rtl821x_write_page(phydev, 0xa5d);
749 ret = __phy_read(phydev, 0x11);
750 rtl821x_write_page(phydev, 0);
751 } else {
752 ret = -EOPNOTSUPP;
753 }
754
755 return ret;
756}
757
758static int rtlgen_write_mmd(struct phy_device *phydev, int devnum, u16 regnum,
759 u16 val)
760{
761 int ret;
762
763 if (devnum == MDIO_MMD_AN && regnum == MDIO_AN_EEE_ADV) {
764 rtl821x_write_page(phydev, 0xa5d);
765 ret = __phy_write(phydev, 0x10, val);
766 rtl821x_write_page(phydev, 0);
767 } else {
768 ret = -EOPNOTSUPP;
769 }
770
771 return ret;
772}
773
774static int rtl822x_read_mmd(struct phy_device *phydev, int devnum, u16 regnum)
775{
776 int ret = rtlgen_read_mmd(phydev, devnum, regnum);
777
778 if (ret != -EOPNOTSUPP)
779 return ret;
780
781 if (devnum == MDIO_MMD_PCS && regnum == MDIO_PCS_EEE_ABLE2) {
782 rtl821x_write_page(phydev, 0xa6e);
783 ret = __phy_read(phydev, 0x16);
784 rtl821x_write_page(phydev, 0);
785 } else if (devnum == MDIO_MMD_AN && regnum == MDIO_AN_EEE_ADV2) {
786 rtl821x_write_page(phydev, 0xa6d);
787 ret = __phy_read(phydev, 0x12);
788 rtl821x_write_page(phydev, 0);
789 } else if (devnum == MDIO_MMD_AN && regnum == MDIO_AN_EEE_LPABLE2) {
790 rtl821x_write_page(phydev, 0xa6d);
791 ret = __phy_read(phydev, 0x10);
792 rtl821x_write_page(phydev, 0);
793 }
794
795 return ret;
796}
797
798static int rtl822x_write_mmd(struct phy_device *phydev, int devnum, u16 regnum,
799 u16 val)
800{
801 int ret = rtlgen_write_mmd(phydev, devnum, regnum, val);
802
803 if (ret != -EOPNOTSUPP)
804 return ret;
805
806 if (devnum == MDIO_MMD_AN && regnum == MDIO_AN_EEE_ADV2) {
807 rtl821x_write_page(phydev, 0xa6d);
808 ret = __phy_write(phydev, 0x12, val);
809 rtl821x_write_page(phydev, 0);
810 }
811
812 return ret;
813}
814
815static int rtl822xb_config_init(struct phy_device *phydev)
816{
817 bool has_2500, has_sgmii;
818 u16 mode;
819 int ret;
820
821 has_2500 = test_bit(PHY_INTERFACE_MODE_2500BASEX,
822 phydev->host_interfaces) ||
823 phydev->interface == PHY_INTERFACE_MODE_2500BASEX;
824
825 has_sgmii = test_bit(PHY_INTERFACE_MODE_SGMII,
826 phydev->host_interfaces) ||
827 phydev->interface == PHY_INTERFACE_MODE_SGMII;
828
829 /* fill in possible interfaces */
830 __assign_bit(PHY_INTERFACE_MODE_2500BASEX, phydev->possible_interfaces,
831 has_2500);
832 __assign_bit(PHY_INTERFACE_MODE_SGMII, phydev->possible_interfaces,
833 has_sgmii);
834
835 if (!has_2500 && !has_sgmii)
836 return 0;
837
838 /* determine SerDes option mode */
839 if (has_2500 && !has_sgmii) {
840 mode = RTL822X_VND1_SERDES_OPTION_MODE_2500BASEX;
841 phydev->rate_matching = RATE_MATCH_PAUSE;
842 } else {
843 mode = RTL822X_VND1_SERDES_OPTION_MODE_2500BASEX_SGMII;
844 phydev->rate_matching = RATE_MATCH_NONE;
845 }
846
847 /* the following sequence with magic numbers sets up the SerDes
848 * option mode
849 */
850 ret = phy_write_mmd(phydev, MDIO_MMD_VEND1, 0x75f3, 0);
851 if (ret < 0)
852 return ret;
853
854 ret = phy_modify_mmd_changed(phydev, MDIO_MMD_VEND1,
855 RTL822X_VND1_SERDES_OPTION,
856 RTL822X_VND1_SERDES_OPTION_MODE_MASK,
857 mode);
858 if (ret < 0)
859 return ret;
860
861 ret = phy_write_mmd(phydev, MDIO_MMD_VEND1, 0x6a04, 0x0503);
862 if (ret < 0)
863 return ret;
864
865 ret = phy_write_mmd(phydev, MDIO_MMD_VEND1, 0x6f10, 0xd455);
866 if (ret < 0)
867 return ret;
868
869 return phy_write_mmd(phydev, MDIO_MMD_VEND1, 0x6f11, 0x8020);
870}
871
872static int rtl822xb_get_rate_matching(struct phy_device *phydev,
873 phy_interface_t iface)
874{
875 int val;
876
877 /* Only rate matching at 2500base-x */
878 if (iface != PHY_INTERFACE_MODE_2500BASEX)
879 return RATE_MATCH_NONE;
880
881 val = phy_read_mmd(phydev, MDIO_MMD_VEND1, RTL822X_VND1_SERDES_OPTION);
882 if (val < 0)
883 return val;
884
885 if ((val & RTL822X_VND1_SERDES_OPTION_MODE_MASK) ==
886 RTL822X_VND1_SERDES_OPTION_MODE_2500BASEX)
887 return RATE_MATCH_PAUSE;
888
889 /* RTL822X_VND1_SERDES_OPTION_MODE_2500BASEX_SGMII */
890 return RATE_MATCH_NONE;
891}
892
893static int rtl822x_get_features(struct phy_device *phydev)
894{
895 int val;
896
897 val = phy_read_paged(phydev, 0xa61, 0x13);
898 if (val < 0)
899 return val;
900
901 linkmode_mod_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT,
902 phydev->supported, val & MDIO_PMA_SPEED_2_5G);
903 linkmode_mod_bit(ETHTOOL_LINK_MODE_5000baseT_Full_BIT,
904 phydev->supported, val & MDIO_PMA_SPEED_5G);
905 linkmode_mod_bit(ETHTOOL_LINK_MODE_10000baseT_Full_BIT,
906 phydev->supported, val & MDIO_SPEED_10G);
907
908 return genphy_read_abilities(phydev);
909}
910
911static int rtl822x_config_aneg(struct phy_device *phydev)
912{
913 int ret = 0;
914
915 if (phydev->autoneg == AUTONEG_ENABLE) {
916 u16 adv = linkmode_adv_to_mii_10gbt_adv_t(phydev->advertising);
917
918 ret = phy_modify_paged_changed(phydev, 0xa5d, 0x12,
919 MDIO_AN_10GBT_CTRL_ADV2_5G |
920 MDIO_AN_10GBT_CTRL_ADV5G,
921 adv);
922 if (ret < 0)
923 return ret;
924 }
925
926 return __genphy_config_aneg(phydev, ret);
927}
928
929static void rtl822xb_update_interface(struct phy_device *phydev)
930{
931 int val;
932
933 if (!phydev->link)
934 return;
935
936 /* Change interface according to serdes mode */
937 val = phy_read_mmd(phydev, MDIO_MMD_VEND1, RTL822X_VND1_SERDES_CTRL3);
938 if (val < 0)
939 return;
940
941 switch (val & RTL822X_VND1_SERDES_CTRL3_MODE_MASK) {
942 case RTL822X_VND1_SERDES_CTRL3_MODE_2500BASEX:
943 phydev->interface = PHY_INTERFACE_MODE_2500BASEX;
944 break;
945 case RTL822X_VND1_SERDES_CTRL3_MODE_SGMII:
946 phydev->interface = PHY_INTERFACE_MODE_SGMII;
947 break;
948 }
949}
950
951static int rtl822x_read_status(struct phy_device *phydev)
952{
953 int lpadv, ret;
954
955 mii_10gbt_stat_mod_linkmode_lpa_t(phydev->lp_advertising, 0);
956
957 ret = rtlgen_read_status(phydev);
958 if (ret < 0)
959 return ret;
960
961 if (phydev->autoneg == AUTONEG_DISABLE ||
962 !phydev->autoneg_complete)
963 return 0;
964
965 lpadv = phy_read_paged(phydev, 0xa5d, 0x13);
966 if (lpadv < 0)
967 return lpadv;
968
969 mii_10gbt_stat_mod_linkmode_lpa_t(phydev->lp_advertising, lpadv);
970
971 return 0;
972}
973
974static int rtl822xb_read_status(struct phy_device *phydev)
975{
976 int ret;
977
978 ret = rtl822x_read_status(phydev);
979 if (ret < 0)
980 return ret;
981
982 rtl822xb_update_interface(phydev);
983
984 return 0;
985}
986
987static int rtl822x_c45_get_features(struct phy_device *phydev)
988{
989 linkmode_set_bit(ETHTOOL_LINK_MODE_TP_BIT,
990 phydev->supported);
991
992 return genphy_c45_pma_read_abilities(phydev);
993}
994
995static int rtl822x_c45_config_aneg(struct phy_device *phydev)
996{
997 bool changed = false;
998 int ret, val;
999
1000 if (phydev->autoneg == AUTONEG_DISABLE)
1001 return genphy_c45_pma_setup_forced(phydev);
1002
1003 ret = genphy_c45_an_config_aneg(phydev);
1004 if (ret < 0)
1005 return ret;
1006 if (ret > 0)
1007 changed = true;
1008
1009 val = linkmode_adv_to_mii_ctrl1000_t(phydev->advertising);
1010
1011 /* Vendor register as C45 has no standardized support for 1000BaseT */
1012 ret = phy_modify_mmd_changed(phydev, MDIO_MMD_VEND2, RTL822X_VND2_GBCR,
1013 ADVERTISE_1000FULL, val);
1014 if (ret < 0)
1015 return ret;
1016 if (ret > 0)
1017 changed = true;
1018
1019 return genphy_c45_check_and_restart_aneg(phydev, changed);
1020}
1021
1022static int rtl822x_c45_read_status(struct phy_device *phydev)
1023{
1024 int ret, val;
1025
1026 /* Vendor register as C45 has no standardized support for 1000BaseT */
1027 if (phydev->autoneg == AUTONEG_ENABLE && genphy_c45_aneg_done(phydev)) {
1028 val = phy_read_mmd(phydev, MDIO_MMD_VEND2,
1029 RTL822X_VND2_GANLPAR);
1030 if (val < 0)
1031 return val;
1032 } else {
1033 val = 0;
1034 }
1035 mii_stat1000_mod_linkmode_lpa_t(phydev->lp_advertising, val);
1036
1037 ret = genphy_c45_read_status(phydev);
1038 if (ret < 0)
1039 return ret;
1040
1041 if (!phydev->link) {
1042 phydev->master_slave_state = MASTER_SLAVE_STATE_UNKNOWN;
1043 return 0;
1044 }
1045
1046 /* Read actual speed from vendor register. */
1047 val = phy_read_mmd(phydev, MDIO_MMD_VEND2, RTL_VND2_PHYSR);
1048 if (val < 0)
1049 return val;
1050
1051 rtlgen_decode_physr(phydev, val);
1052
1053 return 0;
1054}
1055
1056static int rtl822xb_c45_read_status(struct phy_device *phydev)
1057{
1058 int ret;
1059
1060 ret = rtl822x_c45_read_status(phydev);
1061 if (ret < 0)
1062 return ret;
1063
1064 rtl822xb_update_interface(phydev);
1065
1066 return 0;
1067}
1068
1069static bool rtlgen_supports_2_5gbps(struct phy_device *phydev)
1070{
1071 int val;
1072
1073 phy_write(phydev, RTL821x_PAGE_SELECT, 0xa61);
1074 val = phy_read(phydev, 0x13);
1075 phy_write(phydev, RTL821x_PAGE_SELECT, 0);
1076
1077 return val >= 0 && val & MDIO_PMA_SPEED_2_5G;
1078}
1079
1080/* On internal PHY's MMD reads over C22 always return 0.
1081 * Check a MMD register which is known to be non-zero.
1082 */
1083static bool rtlgen_supports_mmd(struct phy_device *phydev)
1084{
1085 int val;
1086
1087 phy_lock_mdio_bus(phydev);
1088 __phy_write(phydev, MII_MMD_CTRL, MDIO_MMD_PCS);
1089 __phy_write(phydev, MII_MMD_DATA, MDIO_PCS_EEE_ABLE);
1090 __phy_write(phydev, MII_MMD_CTRL, MDIO_MMD_PCS | MII_MMD_CTRL_NOINCR);
1091 val = __phy_read(phydev, MII_MMD_DATA);
1092 phy_unlock_mdio_bus(phydev);
1093
1094 return val > 0;
1095}
1096
1097static int rtlgen_match_phy_device(struct phy_device *phydev)
1098{
1099 return phydev->phy_id == RTL_GENERIC_PHYID &&
1100 !rtlgen_supports_2_5gbps(phydev);
1101}
1102
1103static int rtl8226_match_phy_device(struct phy_device *phydev)
1104{
1105 return phydev->phy_id == RTL_GENERIC_PHYID &&
1106 rtlgen_supports_2_5gbps(phydev) &&
1107 rtlgen_supports_mmd(phydev);
1108}
1109
1110static int rtlgen_is_c45_match(struct phy_device *phydev, unsigned int id,
1111 bool is_c45)
1112{
1113 if (phydev->is_c45)
1114 return is_c45 && (id == phydev->c45_ids.device_ids[1]);
1115 else
1116 return !is_c45 && (id == phydev->phy_id);
1117}
1118
1119static int rtl8221b_match_phy_device(struct phy_device *phydev)
1120{
1121 return phydev->phy_id == RTL_8221B && rtlgen_supports_mmd(phydev);
1122}
1123
1124static int rtl8221b_vb_cg_c22_match_phy_device(struct phy_device *phydev)
1125{
1126 return rtlgen_is_c45_match(phydev, RTL_8221B_VB_CG, false);
1127}
1128
1129static int rtl8221b_vb_cg_c45_match_phy_device(struct phy_device *phydev)
1130{
1131 return rtlgen_is_c45_match(phydev, RTL_8221B_VB_CG, true);
1132}
1133
1134static int rtl8221b_vn_cg_c22_match_phy_device(struct phy_device *phydev)
1135{
1136 return rtlgen_is_c45_match(phydev, RTL_8221B_VN_CG, false);
1137}
1138
1139static int rtl8221b_vn_cg_c45_match_phy_device(struct phy_device *phydev)
1140{
1141 return rtlgen_is_c45_match(phydev, RTL_8221B_VN_CG, true);
1142}
1143
1144static int rtl_internal_nbaset_match_phy_device(struct phy_device *phydev)
1145{
1146 if (phydev->is_c45)
1147 return false;
1148
1149 switch (phydev->phy_id) {
1150 case RTL_GENERIC_PHYID:
1151 case RTL_8221B:
1152 case RTL_8251B:
1153 case 0x001cc841:
1154 break;
1155 default:
1156 return false;
1157 }
1158
1159 return rtlgen_supports_2_5gbps(phydev) && !rtlgen_supports_mmd(phydev);
1160}
1161
1162static int rtl8251b_c45_match_phy_device(struct phy_device *phydev)
1163{
1164 return rtlgen_is_c45_match(phydev, RTL_8251B, true);
1165}
1166
1167static int rtlgen_resume(struct phy_device *phydev)
1168{
1169 int ret = genphy_resume(phydev);
1170
1171 /* Internal PHY's from RTL8168h up may not be instantly ready */
1172 msleep(20);
1173
1174 return ret;
1175}
1176
1177static int rtlgen_c45_resume(struct phy_device *phydev)
1178{
1179 int ret = genphy_c45_pma_resume(phydev);
1180
1181 msleep(20);
1182
1183 return ret;
1184}
1185
1186static int rtl9000a_config_init(struct phy_device *phydev)
1187{
1188 phydev->autoneg = AUTONEG_DISABLE;
1189 phydev->speed = SPEED_100;
1190 phydev->duplex = DUPLEX_FULL;
1191
1192 return 0;
1193}
1194
1195static int rtl9000a_config_aneg(struct phy_device *phydev)
1196{
1197 int ret;
1198 u16 ctl = 0;
1199
1200 switch (phydev->master_slave_set) {
1201 case MASTER_SLAVE_CFG_MASTER_FORCE:
1202 ctl |= CTL1000_AS_MASTER;
1203 break;
1204 case MASTER_SLAVE_CFG_SLAVE_FORCE:
1205 break;
1206 case MASTER_SLAVE_CFG_UNKNOWN:
1207 case MASTER_SLAVE_CFG_UNSUPPORTED:
1208 return 0;
1209 default:
1210 phydev_warn(phydev, "Unsupported Master/Slave mode\n");
1211 return -EOPNOTSUPP;
1212 }
1213
1214 ret = phy_modify_changed(phydev, MII_CTRL1000, CTL1000_AS_MASTER, ctl);
1215 if (ret == 1)
1216 ret = genphy_soft_reset(phydev);
1217
1218 return ret;
1219}
1220
1221static int rtl9000a_read_status(struct phy_device *phydev)
1222{
1223 int ret;
1224
1225 phydev->master_slave_get = MASTER_SLAVE_CFG_UNKNOWN;
1226 phydev->master_slave_state = MASTER_SLAVE_STATE_UNKNOWN;
1227
1228 ret = genphy_update_link(phydev);
1229 if (ret)
1230 return ret;
1231
1232 ret = phy_read(phydev, MII_CTRL1000);
1233 if (ret < 0)
1234 return ret;
1235 if (ret & CTL1000_AS_MASTER)
1236 phydev->master_slave_get = MASTER_SLAVE_CFG_MASTER_FORCE;
1237 else
1238 phydev->master_slave_get = MASTER_SLAVE_CFG_SLAVE_FORCE;
1239
1240 ret = phy_read(phydev, MII_STAT1000);
1241 if (ret < 0)
1242 return ret;
1243 if (ret & LPA_1000MSRES)
1244 phydev->master_slave_state = MASTER_SLAVE_STATE_MASTER;
1245 else
1246 phydev->master_slave_state = MASTER_SLAVE_STATE_SLAVE;
1247
1248 return 0;
1249}
1250
1251static int rtl9000a_ack_interrupt(struct phy_device *phydev)
1252{
1253 int err;
1254
1255 err = phy_read(phydev, RTL8211F_INSR);
1256
1257 return (err < 0) ? err : 0;
1258}
1259
1260static int rtl9000a_config_intr(struct phy_device *phydev)
1261{
1262 u16 val;
1263 int err;
1264
1265 if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
1266 err = rtl9000a_ack_interrupt(phydev);
1267 if (err)
1268 return err;
1269
1270 val = (u16)~RTL9000A_GINMR_LINK_STATUS;
1271 err = phy_write_paged(phydev, 0xa42, RTL9000A_GINMR, val);
1272 } else {
1273 val = ~0;
1274 err = phy_write_paged(phydev, 0xa42, RTL9000A_GINMR, val);
1275 if (err)
1276 return err;
1277
1278 err = rtl9000a_ack_interrupt(phydev);
1279 }
1280
1281 return phy_write_paged(phydev, 0xa42, RTL9000A_GINMR, val);
1282}
1283
1284static irqreturn_t rtl9000a_handle_interrupt(struct phy_device *phydev)
1285{
1286 int irq_status;
1287
1288 irq_status = phy_read(phydev, RTL8211F_INSR);
1289 if (irq_status < 0) {
1290 phy_error(phydev);
1291 return IRQ_NONE;
1292 }
1293
1294 if (!(irq_status & RTL8211F_INER_LINK_STATUS))
1295 return IRQ_NONE;
1296
1297 phy_trigger_machine(phydev);
1298
1299 return IRQ_HANDLED;
1300}
1301
1302static struct phy_driver realtek_drvs[] = {
1303 {
1304 PHY_ID_MATCH_EXACT(0x00008201),
1305 .name = "RTL8201CP Ethernet",
1306 .read_page = rtl821x_read_page,
1307 .write_page = rtl821x_write_page,
1308 }, {
1309 PHY_ID_MATCH_EXACT(0x001cc816),
1310 .name = "RTL8201F Fast Ethernet",
1311 .config_intr = &rtl8201_config_intr,
1312 .handle_interrupt = rtl8201_handle_interrupt,
1313 .suspend = genphy_suspend,
1314 .resume = genphy_resume,
1315 .read_page = rtl821x_read_page,
1316 .write_page = rtl821x_write_page,
1317 }, {
1318 PHY_ID_MATCH_MODEL(0x001cc880),
1319 .name = "RTL8208 Fast Ethernet",
1320 .read_mmd = genphy_read_mmd_unsupported,
1321 .write_mmd = genphy_write_mmd_unsupported,
1322 .suspend = genphy_suspend,
1323 .resume = genphy_resume,
1324 .read_page = rtl821x_read_page,
1325 .write_page = rtl821x_write_page,
1326 }, {
1327 PHY_ID_MATCH_EXACT(0x001cc910),
1328 .name = "RTL8211 Gigabit Ethernet",
1329 .config_aneg = rtl8211_config_aneg,
1330 .read_mmd = &genphy_read_mmd_unsupported,
1331 .write_mmd = &genphy_write_mmd_unsupported,
1332 .read_page = rtl821x_read_page,
1333 .write_page = rtl821x_write_page,
1334 }, {
1335 PHY_ID_MATCH_EXACT(0x001cc912),
1336 .name = "RTL8211B Gigabit Ethernet",
1337 .config_intr = &rtl8211b_config_intr,
1338 .handle_interrupt = rtl821x_handle_interrupt,
1339 .read_mmd = &genphy_read_mmd_unsupported,
1340 .write_mmd = &genphy_write_mmd_unsupported,
1341 .suspend = rtl8211b_suspend,
1342 .resume = rtl8211b_resume,
1343 .read_page = rtl821x_read_page,
1344 .write_page = rtl821x_write_page,
1345 }, {
1346 PHY_ID_MATCH_EXACT(0x001cc913),
1347 .name = "RTL8211C Gigabit Ethernet",
1348 .config_init = rtl8211c_config_init,
1349 .read_mmd = &genphy_read_mmd_unsupported,
1350 .write_mmd = &genphy_write_mmd_unsupported,
1351 .read_page = rtl821x_read_page,
1352 .write_page = rtl821x_write_page,
1353 }, {
1354 PHY_ID_MATCH_EXACT(0x001cc914),
1355 .name = "RTL8211DN Gigabit Ethernet",
1356 .config_intr = rtl8211e_config_intr,
1357 .handle_interrupt = rtl821x_handle_interrupt,
1358 .suspend = genphy_suspend,
1359 .resume = genphy_resume,
1360 .read_page = rtl821x_read_page,
1361 .write_page = rtl821x_write_page,
1362 }, {
1363 PHY_ID_MATCH_EXACT(0x001cc915),
1364 .name = "RTL8211E Gigabit Ethernet",
1365 .config_init = &rtl8211e_config_init,
1366 .config_intr = &rtl8211e_config_intr,
1367 .handle_interrupt = rtl821x_handle_interrupt,
1368 .suspend = genphy_suspend,
1369 .resume = genphy_resume,
1370 .read_page = rtl821x_read_page,
1371 .write_page = rtl821x_write_page,
1372 }, {
1373 PHY_ID_MATCH_EXACT(0x001cc916),
1374 .name = "RTL8211F Gigabit Ethernet",
1375 .probe = rtl821x_probe,
1376 .config_init = &rtl8211f_config_init,
1377 .read_status = rtlgen_read_status,
1378 .config_intr = &rtl8211f_config_intr,
1379 .handle_interrupt = rtl8211f_handle_interrupt,
1380 .suspend = rtl821x_suspend,
1381 .resume = rtl821x_resume,
1382 .read_page = rtl821x_read_page,
1383 .write_page = rtl821x_write_page,
1384 .flags = PHY_ALWAYS_CALL_SUSPEND,
1385 .led_hw_is_supported = rtl8211f_led_hw_is_supported,
1386 .led_hw_control_get = rtl8211f_led_hw_control_get,
1387 .led_hw_control_set = rtl8211f_led_hw_control_set,
1388 }, {
1389 PHY_ID_MATCH_EXACT(RTL_8211FVD_PHYID),
1390 .name = "RTL8211F-VD Gigabit Ethernet",
1391 .probe = rtl821x_probe,
1392 .config_init = &rtl8211f_config_init,
1393 .read_status = rtlgen_read_status,
1394 .config_intr = &rtl8211f_config_intr,
1395 .handle_interrupt = rtl8211f_handle_interrupt,
1396 .suspend = rtl821x_suspend,
1397 .resume = rtl821x_resume,
1398 .read_page = rtl821x_read_page,
1399 .write_page = rtl821x_write_page,
1400 .flags = PHY_ALWAYS_CALL_SUSPEND,
1401 }, {
1402 .name = "Generic FE-GE Realtek PHY",
1403 .match_phy_device = rtlgen_match_phy_device,
1404 .read_status = rtlgen_read_status,
1405 .suspend = genphy_suspend,
1406 .resume = rtlgen_resume,
1407 .read_page = rtl821x_read_page,
1408 .write_page = rtl821x_write_page,
1409 .read_mmd = rtlgen_read_mmd,
1410 .write_mmd = rtlgen_write_mmd,
1411 }, {
1412 .name = "RTL8226 2.5Gbps PHY",
1413 .match_phy_device = rtl8226_match_phy_device,
1414 .get_features = rtl822x_get_features,
1415 .config_aneg = rtl822x_config_aneg,
1416 .read_status = rtl822x_read_status,
1417 .suspend = genphy_suspend,
1418 .resume = rtlgen_resume,
1419 .read_page = rtl821x_read_page,
1420 .write_page = rtl821x_write_page,
1421 }, {
1422 .match_phy_device = rtl8221b_match_phy_device,
1423 .name = "RTL8226B_RTL8221B 2.5Gbps PHY",
1424 .get_features = rtl822x_get_features,
1425 .config_aneg = rtl822x_config_aneg,
1426 .config_init = rtl822xb_config_init,
1427 .get_rate_matching = rtl822xb_get_rate_matching,
1428 .read_status = rtl822xb_read_status,
1429 .suspend = genphy_suspend,
1430 .resume = rtlgen_resume,
1431 .read_page = rtl821x_read_page,
1432 .write_page = rtl821x_write_page,
1433 }, {
1434 PHY_ID_MATCH_EXACT(0x001cc838),
1435 .name = "RTL8226-CG 2.5Gbps PHY",
1436 .get_features = rtl822x_get_features,
1437 .config_aneg = rtl822x_config_aneg,
1438 .read_status = rtl822x_read_status,
1439 .suspend = genphy_suspend,
1440 .resume = rtlgen_resume,
1441 .read_page = rtl821x_read_page,
1442 .write_page = rtl821x_write_page,
1443 }, {
1444 PHY_ID_MATCH_EXACT(0x001cc848),
1445 .name = "RTL8226B-CG_RTL8221B-CG 2.5Gbps PHY",
1446 .get_features = rtl822x_get_features,
1447 .config_aneg = rtl822x_config_aneg,
1448 .config_init = rtl822xb_config_init,
1449 .get_rate_matching = rtl822xb_get_rate_matching,
1450 .read_status = rtl822xb_read_status,
1451 .suspend = genphy_suspend,
1452 .resume = rtlgen_resume,
1453 .read_page = rtl821x_read_page,
1454 .write_page = rtl821x_write_page,
1455 }, {
1456 .match_phy_device = rtl8221b_vb_cg_c22_match_phy_device,
1457 .name = "RTL8221B-VB-CG 2.5Gbps PHY (C22)",
1458 .get_features = rtl822x_get_features,
1459 .config_aneg = rtl822x_config_aneg,
1460 .config_init = rtl822xb_config_init,
1461 .get_rate_matching = rtl822xb_get_rate_matching,
1462 .read_status = rtl822xb_read_status,
1463 .suspend = genphy_suspend,
1464 .resume = rtlgen_resume,
1465 .read_page = rtl821x_read_page,
1466 .write_page = rtl821x_write_page,
1467 }, {
1468 .match_phy_device = rtl8221b_vb_cg_c45_match_phy_device,
1469 .name = "RTL8221B-VB-CG 2.5Gbps PHY (C45)",
1470 .config_init = rtl822xb_config_init,
1471 .get_rate_matching = rtl822xb_get_rate_matching,
1472 .get_features = rtl822x_c45_get_features,
1473 .config_aneg = rtl822x_c45_config_aneg,
1474 .read_status = rtl822xb_c45_read_status,
1475 .suspend = genphy_c45_pma_suspend,
1476 .resume = rtlgen_c45_resume,
1477 }, {
1478 .match_phy_device = rtl8221b_vn_cg_c22_match_phy_device,
1479 .name = "RTL8221B-VM-CG 2.5Gbps PHY (C22)",
1480 .get_features = rtl822x_get_features,
1481 .config_aneg = rtl822x_config_aneg,
1482 .config_init = rtl822xb_config_init,
1483 .get_rate_matching = rtl822xb_get_rate_matching,
1484 .read_status = rtl822xb_read_status,
1485 .suspend = genphy_suspend,
1486 .resume = rtlgen_resume,
1487 .read_page = rtl821x_read_page,
1488 .write_page = rtl821x_write_page,
1489 }, {
1490 .match_phy_device = rtl8221b_vn_cg_c45_match_phy_device,
1491 .name = "RTL8221B-VN-CG 2.5Gbps PHY (C45)",
1492 .config_init = rtl822xb_config_init,
1493 .get_rate_matching = rtl822xb_get_rate_matching,
1494 .get_features = rtl822x_c45_get_features,
1495 .config_aneg = rtl822x_c45_config_aneg,
1496 .read_status = rtl822xb_c45_read_status,
1497 .suspend = genphy_c45_pma_suspend,
1498 .resume = rtlgen_c45_resume,
1499 }, {
1500 .match_phy_device = rtl8251b_c45_match_phy_device,
1501 .name = "RTL8251B 5Gbps PHY",
1502 .get_features = rtl822x_get_features,
1503 .config_aneg = rtl822x_config_aneg,
1504 .read_status = rtl822x_read_status,
1505 .suspend = genphy_suspend,
1506 .resume = rtlgen_resume,
1507 .read_page = rtl821x_read_page,
1508 .write_page = rtl821x_write_page,
1509 }, {
1510 .match_phy_device = rtl_internal_nbaset_match_phy_device,
1511 .name = "Realtek Internal NBASE-T PHY",
1512 .flags = PHY_IS_INTERNAL,
1513 .get_features = rtl822x_get_features,
1514 .config_aneg = rtl822x_config_aneg,
1515 .read_status = rtl822x_read_status,
1516 .suspend = genphy_suspend,
1517 .resume = rtlgen_resume,
1518 .read_page = rtl821x_read_page,
1519 .write_page = rtl821x_write_page,
1520 .read_mmd = rtl822x_read_mmd,
1521 .write_mmd = rtl822x_write_mmd,
1522 }, {
1523 PHY_ID_MATCH_EXACT(0x001ccad0),
1524 .name = "RTL8224 2.5Gbps PHY",
1525 .get_features = rtl822x_c45_get_features,
1526 .config_aneg = rtl822x_c45_config_aneg,
1527 .read_status = rtl822x_c45_read_status,
1528 .suspend = genphy_c45_pma_suspend,
1529 .resume = rtlgen_c45_resume,
1530 }, {
1531 PHY_ID_MATCH_EXACT(0x001cc961),
1532 .name = "RTL8366RB Gigabit Ethernet",
1533 .config_init = &rtl8366rb_config_init,
1534 /* These interrupts are handled by the irq controller
1535 * embedded inside the RTL8366RB, they get unmasked when the
1536 * irq is requested and ACKed by reading the status register,
1537 * which is done by the irqchip code.
1538 */
1539 .config_intr = genphy_no_config_intr,
1540 .handle_interrupt = genphy_handle_interrupt_no_ack,
1541 .suspend = genphy_suspend,
1542 .resume = genphy_resume,
1543 }, {
1544 PHY_ID_MATCH_EXACT(0x001ccb00),
1545 .name = "RTL9000AA_RTL9000AN Ethernet",
1546 .features = PHY_BASIC_T1_FEATURES,
1547 .config_init = rtl9000a_config_init,
1548 .config_aneg = rtl9000a_config_aneg,
1549 .read_status = rtl9000a_read_status,
1550 .config_intr = rtl9000a_config_intr,
1551 .handle_interrupt = rtl9000a_handle_interrupt,
1552 .suspend = genphy_suspend,
1553 .resume = genphy_resume,
1554 .read_page = rtl821x_read_page,
1555 .write_page = rtl821x_write_page,
1556 }, {
1557 PHY_ID_MATCH_EXACT(0x001cc942),
1558 .name = "RTL8365MB-VC Gigabit Ethernet",
1559 /* Interrupt handling analogous to RTL8366RB */
1560 .config_intr = genphy_no_config_intr,
1561 .handle_interrupt = genphy_handle_interrupt_no_ack,
1562 .suspend = genphy_suspend,
1563 .resume = genphy_resume,
1564 }, {
1565 PHY_ID_MATCH_EXACT(0x001cc960),
1566 .name = "RTL8366S Gigabit Ethernet",
1567 .suspend = genphy_suspend,
1568 .resume = genphy_resume,
1569 .read_mmd = genphy_read_mmd_unsupported,
1570 .write_mmd = genphy_write_mmd_unsupported,
1571 },
1572};
1573
1574module_phy_driver(realtek_drvs);
1575
1576static const struct mdio_device_id __maybe_unused realtek_tbl[] = {
1577 { PHY_ID_MATCH_VENDOR(0x001cc800) },
1578 { }
1579};
1580
1581MODULE_DEVICE_TABLE(mdio, realtek_tbl);
1// SPDX-License-Identifier: GPL-2.0+
2/* drivers/net/phy/realtek.c
3 *
4 * Driver for Realtek PHYs
5 *
6 * Author: Johnson Leung <r58129@freescale.com>
7 *
8 * Copyright (c) 2004 Freescale Semiconductor, Inc.
9 */
10#include <linux/bitops.h>
11#include <linux/of.h>
12#include <linux/phy.h>
13#include <linux/module.h>
14#include <linux/delay.h>
15
16#define RTL821x_PHYSR 0x11
17#define RTL821x_PHYSR_DUPLEX BIT(13)
18#define RTL821x_PHYSR_SPEED GENMASK(15, 14)
19
20#define RTL821x_INER 0x12
21#define RTL8211B_INER_INIT 0x6400
22#define RTL8211E_INER_LINK_STATUS BIT(10)
23#define RTL8211F_INER_LINK_STATUS BIT(4)
24
25#define RTL821x_INSR 0x13
26
27#define RTL821x_EXT_PAGE_SELECT 0x1e
28#define RTL821x_PAGE_SELECT 0x1f
29
30#define RTL8211F_PHYCR1 0x18
31#define RTL8211F_PHYCR2 0x19
32#define RTL8211F_INSR 0x1d
33
34#define RTL8211F_TX_DELAY BIT(8)
35#define RTL8211F_RX_DELAY BIT(3)
36
37#define RTL8211F_ALDPS_PLL_OFF BIT(1)
38#define RTL8211F_ALDPS_ENABLE BIT(2)
39#define RTL8211F_ALDPS_XTAL_OFF BIT(12)
40
41#define RTL8211E_CTRL_DELAY BIT(13)
42#define RTL8211E_TX_DELAY BIT(12)
43#define RTL8211E_RX_DELAY BIT(11)
44
45#define RTL8211F_CLKOUT_EN BIT(0)
46
47#define RTL8201F_ISR 0x1e
48#define RTL8201F_ISR_ANERR BIT(15)
49#define RTL8201F_ISR_DUPLEX BIT(13)
50#define RTL8201F_ISR_LINK BIT(11)
51#define RTL8201F_ISR_MASK (RTL8201F_ISR_ANERR | \
52 RTL8201F_ISR_DUPLEX | \
53 RTL8201F_ISR_LINK)
54#define RTL8201F_IER 0x13
55
56#define RTL8366RB_POWER_SAVE 0x15
57#define RTL8366RB_POWER_SAVE_ON BIT(12)
58
59#define RTL_SUPPORTS_5000FULL BIT(14)
60#define RTL_SUPPORTS_2500FULL BIT(13)
61#define RTL_SUPPORTS_10000FULL BIT(0)
62#define RTL_ADV_2500FULL BIT(7)
63#define RTL_LPADV_10000FULL BIT(11)
64#define RTL_LPADV_5000FULL BIT(6)
65#define RTL_LPADV_2500FULL BIT(5)
66
67#define RTL9000A_GINMR 0x14
68#define RTL9000A_GINMR_LINK_STATUS BIT(4)
69
70#define RTLGEN_SPEED_MASK 0x0630
71
72#define RTL_GENERIC_PHYID 0x001cc800
73#define RTL_8211FVD_PHYID 0x001cc878
74
75MODULE_DESCRIPTION("Realtek PHY driver");
76MODULE_AUTHOR("Johnson Leung");
77MODULE_LICENSE("GPL");
78
79struct rtl821x_priv {
80 u16 phycr1;
81 u16 phycr2;
82 bool has_phycr2;
83};
84
85static int rtl821x_read_page(struct phy_device *phydev)
86{
87 return __phy_read(phydev, RTL821x_PAGE_SELECT);
88}
89
90static int rtl821x_write_page(struct phy_device *phydev, int page)
91{
92 return __phy_write(phydev, RTL821x_PAGE_SELECT, page);
93}
94
95static int rtl821x_probe(struct phy_device *phydev)
96{
97 struct device *dev = &phydev->mdio.dev;
98 struct rtl821x_priv *priv;
99 u32 phy_id = phydev->drv->phy_id;
100 int ret;
101
102 priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
103 if (!priv)
104 return -ENOMEM;
105
106 ret = phy_read_paged(phydev, 0xa43, RTL8211F_PHYCR1);
107 if (ret < 0)
108 return ret;
109
110 priv->phycr1 = ret & (RTL8211F_ALDPS_PLL_OFF | RTL8211F_ALDPS_ENABLE | RTL8211F_ALDPS_XTAL_OFF);
111 if (of_property_read_bool(dev->of_node, "realtek,aldps-enable"))
112 priv->phycr1 |= RTL8211F_ALDPS_PLL_OFF | RTL8211F_ALDPS_ENABLE | RTL8211F_ALDPS_XTAL_OFF;
113
114 priv->has_phycr2 = !(phy_id == RTL_8211FVD_PHYID);
115 if (priv->has_phycr2) {
116 ret = phy_read_paged(phydev, 0xa43, RTL8211F_PHYCR2);
117 if (ret < 0)
118 return ret;
119
120 priv->phycr2 = ret & RTL8211F_CLKOUT_EN;
121 if (of_property_read_bool(dev->of_node, "realtek,clkout-disable"))
122 priv->phycr2 &= ~RTL8211F_CLKOUT_EN;
123 }
124
125 phydev->priv = priv;
126
127 return 0;
128}
129
130static int rtl8201_ack_interrupt(struct phy_device *phydev)
131{
132 int err;
133
134 err = phy_read(phydev, RTL8201F_ISR);
135
136 return (err < 0) ? err : 0;
137}
138
139static int rtl821x_ack_interrupt(struct phy_device *phydev)
140{
141 int err;
142
143 err = phy_read(phydev, RTL821x_INSR);
144
145 return (err < 0) ? err : 0;
146}
147
148static int rtl8211f_ack_interrupt(struct phy_device *phydev)
149{
150 int err;
151
152 err = phy_read_paged(phydev, 0xa43, RTL8211F_INSR);
153
154 return (err < 0) ? err : 0;
155}
156
157static int rtl8201_config_intr(struct phy_device *phydev)
158{
159 u16 val;
160 int err;
161
162 if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
163 err = rtl8201_ack_interrupt(phydev);
164 if (err)
165 return err;
166
167 val = BIT(13) | BIT(12) | BIT(11);
168 err = phy_write_paged(phydev, 0x7, RTL8201F_IER, val);
169 } else {
170 val = 0;
171 err = phy_write_paged(phydev, 0x7, RTL8201F_IER, val);
172 if (err)
173 return err;
174
175 err = rtl8201_ack_interrupt(phydev);
176 }
177
178 return err;
179}
180
181static int rtl8211b_config_intr(struct phy_device *phydev)
182{
183 int err;
184
185 if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
186 err = rtl821x_ack_interrupt(phydev);
187 if (err)
188 return err;
189
190 err = phy_write(phydev, RTL821x_INER,
191 RTL8211B_INER_INIT);
192 } else {
193 err = phy_write(phydev, RTL821x_INER, 0);
194 if (err)
195 return err;
196
197 err = rtl821x_ack_interrupt(phydev);
198 }
199
200 return err;
201}
202
203static int rtl8211e_config_intr(struct phy_device *phydev)
204{
205 int err;
206
207 if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
208 err = rtl821x_ack_interrupt(phydev);
209 if (err)
210 return err;
211
212 err = phy_write(phydev, RTL821x_INER,
213 RTL8211E_INER_LINK_STATUS);
214 } else {
215 err = phy_write(phydev, RTL821x_INER, 0);
216 if (err)
217 return err;
218
219 err = rtl821x_ack_interrupt(phydev);
220 }
221
222 return err;
223}
224
225static int rtl8211f_config_intr(struct phy_device *phydev)
226{
227 u16 val;
228 int err;
229
230 if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
231 err = rtl8211f_ack_interrupt(phydev);
232 if (err)
233 return err;
234
235 val = RTL8211F_INER_LINK_STATUS;
236 err = phy_write_paged(phydev, 0xa42, RTL821x_INER, val);
237 } else {
238 val = 0;
239 err = phy_write_paged(phydev, 0xa42, RTL821x_INER, val);
240 if (err)
241 return err;
242
243 err = rtl8211f_ack_interrupt(phydev);
244 }
245
246 return err;
247}
248
249static irqreturn_t rtl8201_handle_interrupt(struct phy_device *phydev)
250{
251 int irq_status;
252
253 irq_status = phy_read(phydev, RTL8201F_ISR);
254 if (irq_status < 0) {
255 phy_error(phydev);
256 return IRQ_NONE;
257 }
258
259 if (!(irq_status & RTL8201F_ISR_MASK))
260 return IRQ_NONE;
261
262 phy_trigger_machine(phydev);
263
264 return IRQ_HANDLED;
265}
266
267static irqreturn_t rtl821x_handle_interrupt(struct phy_device *phydev)
268{
269 int irq_status, irq_enabled;
270
271 irq_status = phy_read(phydev, RTL821x_INSR);
272 if (irq_status < 0) {
273 phy_error(phydev);
274 return IRQ_NONE;
275 }
276
277 irq_enabled = phy_read(phydev, RTL821x_INER);
278 if (irq_enabled < 0) {
279 phy_error(phydev);
280 return IRQ_NONE;
281 }
282
283 if (!(irq_status & irq_enabled))
284 return IRQ_NONE;
285
286 phy_trigger_machine(phydev);
287
288 return IRQ_HANDLED;
289}
290
291static irqreturn_t rtl8211f_handle_interrupt(struct phy_device *phydev)
292{
293 int irq_status;
294
295 irq_status = phy_read_paged(phydev, 0xa43, RTL8211F_INSR);
296 if (irq_status < 0) {
297 phy_error(phydev);
298 return IRQ_NONE;
299 }
300
301 if (!(irq_status & RTL8211F_INER_LINK_STATUS))
302 return IRQ_NONE;
303
304 phy_trigger_machine(phydev);
305
306 return IRQ_HANDLED;
307}
308
309static int rtl8211_config_aneg(struct phy_device *phydev)
310{
311 int ret;
312
313 ret = genphy_config_aneg(phydev);
314 if (ret < 0)
315 return ret;
316
317 /* Quirk was copied from vendor driver. Unfortunately it includes no
318 * description of the magic numbers.
319 */
320 if (phydev->speed == SPEED_100 && phydev->autoneg == AUTONEG_DISABLE) {
321 phy_write(phydev, 0x17, 0x2138);
322 phy_write(phydev, 0x0e, 0x0260);
323 } else {
324 phy_write(phydev, 0x17, 0x2108);
325 phy_write(phydev, 0x0e, 0x0000);
326 }
327
328 return 0;
329}
330
331static int rtl8211c_config_init(struct phy_device *phydev)
332{
333 /* RTL8211C has an issue when operating in Gigabit slave mode */
334 return phy_set_bits(phydev, MII_CTRL1000,
335 CTL1000_ENABLE_MASTER | CTL1000_AS_MASTER);
336}
337
338static int rtl8211f_config_init(struct phy_device *phydev)
339{
340 struct rtl821x_priv *priv = phydev->priv;
341 struct device *dev = &phydev->mdio.dev;
342 u16 val_txdly, val_rxdly;
343 int ret;
344
345 ret = phy_modify_paged_changed(phydev, 0xa43, RTL8211F_PHYCR1,
346 RTL8211F_ALDPS_PLL_OFF | RTL8211F_ALDPS_ENABLE | RTL8211F_ALDPS_XTAL_OFF,
347 priv->phycr1);
348 if (ret < 0) {
349 dev_err(dev, "aldps mode configuration failed: %pe\n",
350 ERR_PTR(ret));
351 return ret;
352 }
353
354 switch (phydev->interface) {
355 case PHY_INTERFACE_MODE_RGMII:
356 val_txdly = 0;
357 val_rxdly = 0;
358 break;
359
360 case PHY_INTERFACE_MODE_RGMII_RXID:
361 val_txdly = 0;
362 val_rxdly = RTL8211F_RX_DELAY;
363 break;
364
365 case PHY_INTERFACE_MODE_RGMII_TXID:
366 val_txdly = RTL8211F_TX_DELAY;
367 val_rxdly = 0;
368 break;
369
370 case PHY_INTERFACE_MODE_RGMII_ID:
371 val_txdly = RTL8211F_TX_DELAY;
372 val_rxdly = RTL8211F_RX_DELAY;
373 break;
374
375 default: /* the rest of the modes imply leaving delay as is. */
376 return 0;
377 }
378
379 ret = phy_modify_paged_changed(phydev, 0xd08, 0x11, RTL8211F_TX_DELAY,
380 val_txdly);
381 if (ret < 0) {
382 dev_err(dev, "Failed to update the TX delay register\n");
383 return ret;
384 } else if (ret) {
385 dev_dbg(dev,
386 "%s 2ns TX delay (and changing the value from pin-strapping RXD1 or the bootloader)\n",
387 val_txdly ? "Enabling" : "Disabling");
388 } else {
389 dev_dbg(dev,
390 "2ns TX delay was already %s (by pin-strapping RXD1 or bootloader configuration)\n",
391 val_txdly ? "enabled" : "disabled");
392 }
393
394 ret = phy_modify_paged_changed(phydev, 0xd08, 0x15, RTL8211F_RX_DELAY,
395 val_rxdly);
396 if (ret < 0) {
397 dev_err(dev, "Failed to update the RX delay register\n");
398 return ret;
399 } else if (ret) {
400 dev_dbg(dev,
401 "%s 2ns RX delay (and changing the value from pin-strapping RXD0 or the bootloader)\n",
402 val_rxdly ? "Enabling" : "Disabling");
403 } else {
404 dev_dbg(dev,
405 "2ns RX delay was already %s (by pin-strapping RXD0 or bootloader configuration)\n",
406 val_rxdly ? "enabled" : "disabled");
407 }
408
409 if (priv->has_phycr2) {
410 ret = phy_modify_paged(phydev, 0xa43, RTL8211F_PHYCR2,
411 RTL8211F_CLKOUT_EN, priv->phycr2);
412 if (ret < 0) {
413 dev_err(dev, "clkout configuration failed: %pe\n",
414 ERR_PTR(ret));
415 return ret;
416 }
417 }
418
419 return genphy_soft_reset(phydev);
420}
421
422static int rtl821x_resume(struct phy_device *phydev)
423{
424 int ret;
425
426 ret = genphy_resume(phydev);
427 if (ret < 0)
428 return ret;
429
430 msleep(20);
431
432 return 0;
433}
434
435static int rtl8211e_config_init(struct phy_device *phydev)
436{
437 int ret = 0, oldpage;
438 u16 val;
439
440 /* enable TX/RX delay for rgmii-* modes, and disable them for rgmii. */
441 switch (phydev->interface) {
442 case PHY_INTERFACE_MODE_RGMII:
443 val = RTL8211E_CTRL_DELAY | 0;
444 break;
445 case PHY_INTERFACE_MODE_RGMII_ID:
446 val = RTL8211E_CTRL_DELAY | RTL8211E_TX_DELAY | RTL8211E_RX_DELAY;
447 break;
448 case PHY_INTERFACE_MODE_RGMII_RXID:
449 val = RTL8211E_CTRL_DELAY | RTL8211E_RX_DELAY;
450 break;
451 case PHY_INTERFACE_MODE_RGMII_TXID:
452 val = RTL8211E_CTRL_DELAY | RTL8211E_TX_DELAY;
453 break;
454 default: /* the rest of the modes imply leaving delays as is. */
455 return 0;
456 }
457
458 /* According to a sample driver there is a 0x1c config register on the
459 * 0xa4 extension page (0x7) layout. It can be used to disable/enable
460 * the RX/TX delays otherwise controlled by RXDLY/TXDLY pins.
461 * The configuration register definition:
462 * 14 = reserved
463 * 13 = Force Tx RX Delay controlled by bit12 bit11,
464 * 12 = RX Delay, 11 = TX Delay
465 * 10:0 = Test && debug settings reserved by realtek
466 */
467 oldpage = phy_select_page(phydev, 0x7);
468 if (oldpage < 0)
469 goto err_restore_page;
470
471 ret = __phy_write(phydev, RTL821x_EXT_PAGE_SELECT, 0xa4);
472 if (ret)
473 goto err_restore_page;
474
475 ret = __phy_modify(phydev, 0x1c, RTL8211E_CTRL_DELAY
476 | RTL8211E_TX_DELAY | RTL8211E_RX_DELAY,
477 val);
478
479err_restore_page:
480 return phy_restore_page(phydev, oldpage, ret);
481}
482
483static int rtl8211b_suspend(struct phy_device *phydev)
484{
485 phy_write(phydev, MII_MMD_DATA, BIT(9));
486
487 return genphy_suspend(phydev);
488}
489
490static int rtl8211b_resume(struct phy_device *phydev)
491{
492 phy_write(phydev, MII_MMD_DATA, 0);
493
494 return genphy_resume(phydev);
495}
496
497static int rtl8366rb_config_init(struct phy_device *phydev)
498{
499 int ret;
500
501 ret = phy_set_bits(phydev, RTL8366RB_POWER_SAVE,
502 RTL8366RB_POWER_SAVE_ON);
503 if (ret) {
504 dev_err(&phydev->mdio.dev,
505 "error enabling power management\n");
506 }
507
508 return ret;
509}
510
511/* get actual speed to cover the downshift case */
512static int rtlgen_get_speed(struct phy_device *phydev)
513{
514 int val;
515
516 if (!phydev->link)
517 return 0;
518
519 val = phy_read_paged(phydev, 0xa43, 0x12);
520 if (val < 0)
521 return val;
522
523 switch (val & RTLGEN_SPEED_MASK) {
524 case 0x0000:
525 phydev->speed = SPEED_10;
526 break;
527 case 0x0010:
528 phydev->speed = SPEED_100;
529 break;
530 case 0x0020:
531 phydev->speed = SPEED_1000;
532 break;
533 case 0x0200:
534 phydev->speed = SPEED_10000;
535 break;
536 case 0x0210:
537 phydev->speed = SPEED_2500;
538 break;
539 case 0x0220:
540 phydev->speed = SPEED_5000;
541 break;
542 default:
543 break;
544 }
545
546 return 0;
547}
548
549static int rtlgen_read_status(struct phy_device *phydev)
550{
551 int ret;
552
553 ret = genphy_read_status(phydev);
554 if (ret < 0)
555 return ret;
556
557 return rtlgen_get_speed(phydev);
558}
559
560static int rtlgen_read_mmd(struct phy_device *phydev, int devnum, u16 regnum)
561{
562 int ret;
563
564 if (devnum == MDIO_MMD_PCS && regnum == MDIO_PCS_EEE_ABLE) {
565 rtl821x_write_page(phydev, 0xa5c);
566 ret = __phy_read(phydev, 0x12);
567 rtl821x_write_page(phydev, 0);
568 } else if (devnum == MDIO_MMD_AN && regnum == MDIO_AN_EEE_ADV) {
569 rtl821x_write_page(phydev, 0xa5d);
570 ret = __phy_read(phydev, 0x10);
571 rtl821x_write_page(phydev, 0);
572 } else if (devnum == MDIO_MMD_AN && regnum == MDIO_AN_EEE_LPABLE) {
573 rtl821x_write_page(phydev, 0xa5d);
574 ret = __phy_read(phydev, 0x11);
575 rtl821x_write_page(phydev, 0);
576 } else {
577 ret = -EOPNOTSUPP;
578 }
579
580 return ret;
581}
582
583static int rtlgen_write_mmd(struct phy_device *phydev, int devnum, u16 regnum,
584 u16 val)
585{
586 int ret;
587
588 if (devnum == MDIO_MMD_AN && regnum == MDIO_AN_EEE_ADV) {
589 rtl821x_write_page(phydev, 0xa5d);
590 ret = __phy_write(phydev, 0x10, val);
591 rtl821x_write_page(phydev, 0);
592 } else {
593 ret = -EOPNOTSUPP;
594 }
595
596 return ret;
597}
598
599static int rtl822x_read_mmd(struct phy_device *phydev, int devnum, u16 regnum)
600{
601 int ret = rtlgen_read_mmd(phydev, devnum, regnum);
602
603 if (ret != -EOPNOTSUPP)
604 return ret;
605
606 if (devnum == MDIO_MMD_PCS && regnum == MDIO_PCS_EEE_ABLE2) {
607 rtl821x_write_page(phydev, 0xa6e);
608 ret = __phy_read(phydev, 0x16);
609 rtl821x_write_page(phydev, 0);
610 } else if (devnum == MDIO_MMD_AN && regnum == MDIO_AN_EEE_ADV2) {
611 rtl821x_write_page(phydev, 0xa6d);
612 ret = __phy_read(phydev, 0x12);
613 rtl821x_write_page(phydev, 0);
614 } else if (devnum == MDIO_MMD_AN && regnum == MDIO_AN_EEE_LPABLE2) {
615 rtl821x_write_page(phydev, 0xa6d);
616 ret = __phy_read(phydev, 0x10);
617 rtl821x_write_page(phydev, 0);
618 }
619
620 return ret;
621}
622
623static int rtl822x_write_mmd(struct phy_device *phydev, int devnum, u16 regnum,
624 u16 val)
625{
626 int ret = rtlgen_write_mmd(phydev, devnum, regnum, val);
627
628 if (ret != -EOPNOTSUPP)
629 return ret;
630
631 if (devnum == MDIO_MMD_AN && regnum == MDIO_AN_EEE_ADV2) {
632 rtl821x_write_page(phydev, 0xa6d);
633 ret = __phy_write(phydev, 0x12, val);
634 rtl821x_write_page(phydev, 0);
635 }
636
637 return ret;
638}
639
640static int rtl822x_get_features(struct phy_device *phydev)
641{
642 int val;
643
644 val = phy_read_paged(phydev, 0xa61, 0x13);
645 if (val < 0)
646 return val;
647
648 linkmode_mod_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT,
649 phydev->supported, val & RTL_SUPPORTS_2500FULL);
650 linkmode_mod_bit(ETHTOOL_LINK_MODE_5000baseT_Full_BIT,
651 phydev->supported, val & RTL_SUPPORTS_5000FULL);
652 linkmode_mod_bit(ETHTOOL_LINK_MODE_10000baseT_Full_BIT,
653 phydev->supported, val & RTL_SUPPORTS_10000FULL);
654
655 return genphy_read_abilities(phydev);
656}
657
658static int rtl822x_config_aneg(struct phy_device *phydev)
659{
660 int ret = 0;
661
662 if (phydev->autoneg == AUTONEG_ENABLE) {
663 u16 adv2500 = 0;
664
665 if (linkmode_test_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT,
666 phydev->advertising))
667 adv2500 = RTL_ADV_2500FULL;
668
669 ret = phy_modify_paged_changed(phydev, 0xa5d, 0x12,
670 RTL_ADV_2500FULL, adv2500);
671 if (ret < 0)
672 return ret;
673 }
674
675 return __genphy_config_aneg(phydev, ret);
676}
677
678static int rtl822x_read_status(struct phy_device *phydev)
679{
680 int ret;
681
682 if (phydev->autoneg == AUTONEG_ENABLE) {
683 int lpadv = phy_read_paged(phydev, 0xa5d, 0x13);
684
685 if (lpadv < 0)
686 return lpadv;
687
688 linkmode_mod_bit(ETHTOOL_LINK_MODE_10000baseT_Full_BIT,
689 phydev->lp_advertising, lpadv & RTL_LPADV_10000FULL);
690 linkmode_mod_bit(ETHTOOL_LINK_MODE_5000baseT_Full_BIT,
691 phydev->lp_advertising, lpadv & RTL_LPADV_5000FULL);
692 linkmode_mod_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT,
693 phydev->lp_advertising, lpadv & RTL_LPADV_2500FULL);
694 }
695
696 ret = genphy_read_status(phydev);
697 if (ret < 0)
698 return ret;
699
700 return rtlgen_get_speed(phydev);
701}
702
703static bool rtlgen_supports_2_5gbps(struct phy_device *phydev)
704{
705 int val;
706
707 phy_write(phydev, RTL821x_PAGE_SELECT, 0xa61);
708 val = phy_read(phydev, 0x13);
709 phy_write(phydev, RTL821x_PAGE_SELECT, 0);
710
711 return val >= 0 && val & RTL_SUPPORTS_2500FULL;
712}
713
714static int rtlgen_match_phy_device(struct phy_device *phydev)
715{
716 return phydev->phy_id == RTL_GENERIC_PHYID &&
717 !rtlgen_supports_2_5gbps(phydev);
718}
719
720static int rtl8226_match_phy_device(struct phy_device *phydev)
721{
722 return phydev->phy_id == RTL_GENERIC_PHYID &&
723 rtlgen_supports_2_5gbps(phydev);
724}
725
726static int rtlgen_resume(struct phy_device *phydev)
727{
728 int ret = genphy_resume(phydev);
729
730 /* Internal PHY's from RTL8168h up may not be instantly ready */
731 msleep(20);
732
733 return ret;
734}
735
736static int rtl9000a_config_init(struct phy_device *phydev)
737{
738 phydev->autoneg = AUTONEG_DISABLE;
739 phydev->speed = SPEED_100;
740 phydev->duplex = DUPLEX_FULL;
741
742 return 0;
743}
744
745static int rtl9000a_config_aneg(struct phy_device *phydev)
746{
747 int ret;
748 u16 ctl = 0;
749
750 switch (phydev->master_slave_set) {
751 case MASTER_SLAVE_CFG_MASTER_FORCE:
752 ctl |= CTL1000_AS_MASTER;
753 break;
754 case MASTER_SLAVE_CFG_SLAVE_FORCE:
755 break;
756 case MASTER_SLAVE_CFG_UNKNOWN:
757 case MASTER_SLAVE_CFG_UNSUPPORTED:
758 return 0;
759 default:
760 phydev_warn(phydev, "Unsupported Master/Slave mode\n");
761 return -EOPNOTSUPP;
762 }
763
764 ret = phy_modify_changed(phydev, MII_CTRL1000, CTL1000_AS_MASTER, ctl);
765 if (ret == 1)
766 ret = genphy_soft_reset(phydev);
767
768 return ret;
769}
770
771static int rtl9000a_read_status(struct phy_device *phydev)
772{
773 int ret;
774
775 phydev->master_slave_get = MASTER_SLAVE_CFG_UNKNOWN;
776 phydev->master_slave_state = MASTER_SLAVE_STATE_UNKNOWN;
777
778 ret = genphy_update_link(phydev);
779 if (ret)
780 return ret;
781
782 ret = phy_read(phydev, MII_CTRL1000);
783 if (ret < 0)
784 return ret;
785 if (ret & CTL1000_AS_MASTER)
786 phydev->master_slave_get = MASTER_SLAVE_CFG_MASTER_FORCE;
787 else
788 phydev->master_slave_get = MASTER_SLAVE_CFG_SLAVE_FORCE;
789
790 ret = phy_read(phydev, MII_STAT1000);
791 if (ret < 0)
792 return ret;
793 if (ret & LPA_1000MSRES)
794 phydev->master_slave_state = MASTER_SLAVE_STATE_MASTER;
795 else
796 phydev->master_slave_state = MASTER_SLAVE_STATE_SLAVE;
797
798 return 0;
799}
800
801static int rtl9000a_ack_interrupt(struct phy_device *phydev)
802{
803 int err;
804
805 err = phy_read(phydev, RTL8211F_INSR);
806
807 return (err < 0) ? err : 0;
808}
809
810static int rtl9000a_config_intr(struct phy_device *phydev)
811{
812 u16 val;
813 int err;
814
815 if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
816 err = rtl9000a_ack_interrupt(phydev);
817 if (err)
818 return err;
819
820 val = (u16)~RTL9000A_GINMR_LINK_STATUS;
821 err = phy_write_paged(phydev, 0xa42, RTL9000A_GINMR, val);
822 } else {
823 val = ~0;
824 err = phy_write_paged(phydev, 0xa42, RTL9000A_GINMR, val);
825 if (err)
826 return err;
827
828 err = rtl9000a_ack_interrupt(phydev);
829 }
830
831 return phy_write_paged(phydev, 0xa42, RTL9000A_GINMR, val);
832}
833
834static irqreturn_t rtl9000a_handle_interrupt(struct phy_device *phydev)
835{
836 int irq_status;
837
838 irq_status = phy_read(phydev, RTL8211F_INSR);
839 if (irq_status < 0) {
840 phy_error(phydev);
841 return IRQ_NONE;
842 }
843
844 if (!(irq_status & RTL8211F_INER_LINK_STATUS))
845 return IRQ_NONE;
846
847 phy_trigger_machine(phydev);
848
849 return IRQ_HANDLED;
850}
851
852static struct phy_driver realtek_drvs[] = {
853 {
854 PHY_ID_MATCH_EXACT(0x00008201),
855 .name = "RTL8201CP Ethernet",
856 .read_page = rtl821x_read_page,
857 .write_page = rtl821x_write_page,
858 }, {
859 PHY_ID_MATCH_EXACT(0x001cc816),
860 .name = "RTL8201F Fast Ethernet",
861 .config_intr = &rtl8201_config_intr,
862 .handle_interrupt = rtl8201_handle_interrupt,
863 .suspend = genphy_suspend,
864 .resume = genphy_resume,
865 .read_page = rtl821x_read_page,
866 .write_page = rtl821x_write_page,
867 }, {
868 PHY_ID_MATCH_MODEL(0x001cc880),
869 .name = "RTL8208 Fast Ethernet",
870 .read_mmd = genphy_read_mmd_unsupported,
871 .write_mmd = genphy_write_mmd_unsupported,
872 .suspend = genphy_suspend,
873 .resume = genphy_resume,
874 .read_page = rtl821x_read_page,
875 .write_page = rtl821x_write_page,
876 }, {
877 PHY_ID_MATCH_EXACT(0x001cc910),
878 .name = "RTL8211 Gigabit Ethernet",
879 .config_aneg = rtl8211_config_aneg,
880 .read_mmd = &genphy_read_mmd_unsupported,
881 .write_mmd = &genphy_write_mmd_unsupported,
882 .read_page = rtl821x_read_page,
883 .write_page = rtl821x_write_page,
884 }, {
885 PHY_ID_MATCH_EXACT(0x001cc912),
886 .name = "RTL8211B Gigabit Ethernet",
887 .config_intr = &rtl8211b_config_intr,
888 .handle_interrupt = rtl821x_handle_interrupt,
889 .read_mmd = &genphy_read_mmd_unsupported,
890 .write_mmd = &genphy_write_mmd_unsupported,
891 .suspend = rtl8211b_suspend,
892 .resume = rtl8211b_resume,
893 .read_page = rtl821x_read_page,
894 .write_page = rtl821x_write_page,
895 }, {
896 PHY_ID_MATCH_EXACT(0x001cc913),
897 .name = "RTL8211C Gigabit Ethernet",
898 .config_init = rtl8211c_config_init,
899 .read_mmd = &genphy_read_mmd_unsupported,
900 .write_mmd = &genphy_write_mmd_unsupported,
901 .read_page = rtl821x_read_page,
902 .write_page = rtl821x_write_page,
903 }, {
904 PHY_ID_MATCH_EXACT(0x001cc914),
905 .name = "RTL8211DN Gigabit Ethernet",
906 .config_intr = rtl8211e_config_intr,
907 .handle_interrupt = rtl821x_handle_interrupt,
908 .suspend = genphy_suspend,
909 .resume = genphy_resume,
910 .read_page = rtl821x_read_page,
911 .write_page = rtl821x_write_page,
912 }, {
913 PHY_ID_MATCH_EXACT(0x001cc915),
914 .name = "RTL8211E Gigabit Ethernet",
915 .config_init = &rtl8211e_config_init,
916 .config_intr = &rtl8211e_config_intr,
917 .handle_interrupt = rtl821x_handle_interrupt,
918 .suspend = genphy_suspend,
919 .resume = genphy_resume,
920 .read_page = rtl821x_read_page,
921 .write_page = rtl821x_write_page,
922 }, {
923 PHY_ID_MATCH_EXACT(0x001cc916),
924 .name = "RTL8211F Gigabit Ethernet",
925 .probe = rtl821x_probe,
926 .config_init = &rtl8211f_config_init,
927 .read_status = rtlgen_read_status,
928 .config_intr = &rtl8211f_config_intr,
929 .handle_interrupt = rtl8211f_handle_interrupt,
930 .suspend = genphy_suspend,
931 .resume = rtl821x_resume,
932 .read_page = rtl821x_read_page,
933 .write_page = rtl821x_write_page,
934 }, {
935 PHY_ID_MATCH_EXACT(RTL_8211FVD_PHYID),
936 .name = "RTL8211F-VD Gigabit Ethernet",
937 .probe = rtl821x_probe,
938 .config_init = &rtl8211f_config_init,
939 .read_status = rtlgen_read_status,
940 .config_intr = &rtl8211f_config_intr,
941 .handle_interrupt = rtl8211f_handle_interrupt,
942 .suspend = genphy_suspend,
943 .resume = rtl821x_resume,
944 .read_page = rtl821x_read_page,
945 .write_page = rtl821x_write_page,
946 }, {
947 .name = "Generic FE-GE Realtek PHY",
948 .match_phy_device = rtlgen_match_phy_device,
949 .read_status = rtlgen_read_status,
950 .suspend = genphy_suspend,
951 .resume = rtlgen_resume,
952 .read_page = rtl821x_read_page,
953 .write_page = rtl821x_write_page,
954 .read_mmd = rtlgen_read_mmd,
955 .write_mmd = rtlgen_write_mmd,
956 }, {
957 .name = "RTL8226 2.5Gbps PHY",
958 .match_phy_device = rtl8226_match_phy_device,
959 .get_features = rtl822x_get_features,
960 .config_aneg = rtl822x_config_aneg,
961 .read_status = rtl822x_read_status,
962 .suspend = genphy_suspend,
963 .resume = rtlgen_resume,
964 .read_page = rtl821x_read_page,
965 .write_page = rtl821x_write_page,
966 .read_mmd = rtl822x_read_mmd,
967 .write_mmd = rtl822x_write_mmd,
968 }, {
969 PHY_ID_MATCH_EXACT(0x001cc840),
970 .name = "RTL8226B_RTL8221B 2.5Gbps PHY",
971 .get_features = rtl822x_get_features,
972 .config_aneg = rtl822x_config_aneg,
973 .read_status = rtl822x_read_status,
974 .suspend = genphy_suspend,
975 .resume = rtlgen_resume,
976 .read_page = rtl821x_read_page,
977 .write_page = rtl821x_write_page,
978 .read_mmd = rtl822x_read_mmd,
979 .write_mmd = rtl822x_write_mmd,
980 }, {
981 PHY_ID_MATCH_EXACT(0x001cc838),
982 .name = "RTL8226-CG 2.5Gbps PHY",
983 .get_features = rtl822x_get_features,
984 .config_aneg = rtl822x_config_aneg,
985 .read_status = rtl822x_read_status,
986 .suspend = genphy_suspend,
987 .resume = rtlgen_resume,
988 .read_page = rtl821x_read_page,
989 .write_page = rtl821x_write_page,
990 }, {
991 PHY_ID_MATCH_EXACT(0x001cc848),
992 .name = "RTL8226B-CG_RTL8221B-CG 2.5Gbps PHY",
993 .get_features = rtl822x_get_features,
994 .config_aneg = rtl822x_config_aneg,
995 .read_status = rtl822x_read_status,
996 .suspend = genphy_suspend,
997 .resume = rtlgen_resume,
998 .read_page = rtl821x_read_page,
999 .write_page = rtl821x_write_page,
1000 }, {
1001 PHY_ID_MATCH_EXACT(0x001cc849),
1002 .name = "RTL8221B-VB-CG 2.5Gbps PHY",
1003 .get_features = rtl822x_get_features,
1004 .config_aneg = rtl822x_config_aneg,
1005 .read_status = rtl822x_read_status,
1006 .suspend = genphy_suspend,
1007 .resume = rtlgen_resume,
1008 .read_page = rtl821x_read_page,
1009 .write_page = rtl821x_write_page,
1010 }, {
1011 PHY_ID_MATCH_EXACT(0x001cc84a),
1012 .name = "RTL8221B-VM-CG 2.5Gbps PHY",
1013 .get_features = rtl822x_get_features,
1014 .config_aneg = rtl822x_config_aneg,
1015 .read_status = rtl822x_read_status,
1016 .suspend = genphy_suspend,
1017 .resume = rtlgen_resume,
1018 .read_page = rtl821x_read_page,
1019 .write_page = rtl821x_write_page,
1020 }, {
1021 PHY_ID_MATCH_EXACT(0x001cc961),
1022 .name = "RTL8366RB Gigabit Ethernet",
1023 .config_init = &rtl8366rb_config_init,
1024 /* These interrupts are handled by the irq controller
1025 * embedded inside the RTL8366RB, they get unmasked when the
1026 * irq is requested and ACKed by reading the status register,
1027 * which is done by the irqchip code.
1028 */
1029 .config_intr = genphy_no_config_intr,
1030 .handle_interrupt = genphy_handle_interrupt_no_ack,
1031 .suspend = genphy_suspend,
1032 .resume = genphy_resume,
1033 }, {
1034 PHY_ID_MATCH_EXACT(0x001ccb00),
1035 .name = "RTL9000AA_RTL9000AN Ethernet",
1036 .features = PHY_BASIC_T1_FEATURES,
1037 .config_init = rtl9000a_config_init,
1038 .config_aneg = rtl9000a_config_aneg,
1039 .read_status = rtl9000a_read_status,
1040 .config_intr = rtl9000a_config_intr,
1041 .handle_interrupt = rtl9000a_handle_interrupt,
1042 .suspend = genphy_suspend,
1043 .resume = genphy_resume,
1044 .read_page = rtl821x_read_page,
1045 .write_page = rtl821x_write_page,
1046 }, {
1047 PHY_ID_MATCH_EXACT(0x001cc942),
1048 .name = "RTL8365MB-VC Gigabit Ethernet",
1049 /* Interrupt handling analogous to RTL8366RB */
1050 .config_intr = genphy_no_config_intr,
1051 .handle_interrupt = genphy_handle_interrupt_no_ack,
1052 .suspend = genphy_suspend,
1053 .resume = genphy_resume,
1054 },
1055};
1056
1057module_phy_driver(realtek_drvs);
1058
1059static const struct mdio_device_id __maybe_unused realtek_tbl[] = {
1060 { PHY_ID_MATCH_VENDOR(0x001cc800) },
1061 { }
1062};
1063
1064MODULE_DEVICE_TABLE(mdio, realtek_tbl);