xref: /linux/drivers/net/phy/broadcom.c (revision fcee7d82f27d6a8b1ddc5bbefda59b4e441e9bc0)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  *	drivers/net/phy/broadcom.c
4  *
5  *	Broadcom BCM5411, BCM5421 and BCM5461 Gigabit Ethernet
6  *	transceivers.
7  *
8  *	Broadcom BCM54810, BCM54811 BroadR-Reach transceivers.
9  *
10  *	Copyright (c) 2006  Maciej W. Rozycki
11  *
12  *	Inspired by code written by Amy Fong.
13  */
14 
15 #include "bcm-phy-lib.h"
16 #include <linux/delay.h>
17 #include <linux/module.h>
18 #include <linux/phy.h>
19 #include <linux/device.h>
20 #include <linux/brcmphy.h>
21 #include <linux/of.h>
22 #include <linux/interrupt.h>
23 #include <linux/irq.h>
24 #include <linux/gpio/consumer.h>
25 
26 #define BRCM_PHY_REV(phydev) \
27 	((phydev)->drv->phy_id & ~((phydev)->drv->phy_id_mask))
28 
29 MODULE_DESCRIPTION("Broadcom PHY driver");
30 MODULE_AUTHOR("Maciej W. Rozycki");
31 MODULE_LICENSE("GPL");
32 
33 struct bcm54xx_phy_priv {
34 	u64	*stats;
35 	struct bcm_ptp_private *ptp;
36 	int	wake_irq;
37 	bool	wake_irq_enabled;
38 	bool	brr_mode;
39 };
40 
41 /* Link modes for BCM58411 PHY */
42 static const int bcm54811_linkmodes[] = {
43 	ETHTOOL_LINK_MODE_100baseT1_Full_BIT,
44 	ETHTOOL_LINK_MODE_10baseT1BRR_Full_BIT,
45 	ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
46 	ETHTOOL_LINK_MODE_1000baseX_Full_BIT,
47 	ETHTOOL_LINK_MODE_1000baseT_Half_BIT,
48 	ETHTOOL_LINK_MODE_100baseT_Full_BIT,
49 	ETHTOOL_LINK_MODE_100baseT_Half_BIT,
50 	ETHTOOL_LINK_MODE_10baseT_Full_BIT,
51 	ETHTOOL_LINK_MODE_10baseT_Half_BIT
52 };
53 
54 /* Long-Distance Signaling (BroadR-Reach mode aneg) relevant linkmode bits */
55 static const int lds_br_bits[] = {
56 	ETHTOOL_LINK_MODE_Autoneg_BIT,
57 	ETHTOOL_LINK_MODE_Pause_BIT,
58 	ETHTOOL_LINK_MODE_Asym_Pause_BIT,
59 	ETHTOOL_LINK_MODE_10baseT1BRR_Full_BIT,
60 	ETHTOOL_LINK_MODE_100baseT1_Full_BIT
61 };
62 
bcm54xx_phy_can_wakeup(struct phy_device * phydev)63 static bool bcm54xx_phy_can_wakeup(struct phy_device *phydev)
64 {
65 	struct bcm54xx_phy_priv *priv = phydev->priv;
66 
67 	return phy_interrupt_is_valid(phydev) || priv->wake_irq >= 0;
68 }
69 
bcm54xx_config_clock_delay(struct phy_device * phydev)70 static int bcm54xx_config_clock_delay(struct phy_device *phydev)
71 {
72 	int rc, val;
73 
74 	/* handling PHY's internal RX clock delay */
75 	val = bcm54xx_auxctl_read(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC);
76 	val |= MII_BCM54XX_AUXCTL_MISC_WREN;
77 	if (phydev->interface == PHY_INTERFACE_MODE_RGMII ||
78 	    phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) {
79 		/* Disable RGMII RXC-RXD skew */
80 		val &= ~MII_BCM54XX_AUXCTL_SHDWSEL_MISC_RGMII_SKEW_EN;
81 	}
82 	if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID ||
83 	    phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) {
84 		/* Enable RGMII RXC-RXD skew */
85 		val |= MII_BCM54XX_AUXCTL_SHDWSEL_MISC_RGMII_SKEW_EN;
86 	}
87 	rc = bcm54xx_auxctl_write(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC,
88 				  val);
89 	if (rc < 0)
90 		return rc;
91 
92 	/* handling PHY's internal TX clock delay */
93 	val = bcm_phy_read_shadow(phydev, BCM54810_SHD_CLK_CTL);
94 	if (phydev->interface == PHY_INTERFACE_MODE_RGMII ||
95 	    phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) {
96 		/* Disable internal TX clock delay */
97 		val &= ~BCM54810_SHD_CLK_CTL_GTXCLK_EN;
98 	}
99 	if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID ||
100 	    phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) {
101 		/* Enable internal TX clock delay */
102 		val |= BCM54810_SHD_CLK_CTL_GTXCLK_EN;
103 	}
104 	rc = bcm_phy_write_shadow(phydev, BCM54810_SHD_CLK_CTL, val);
105 	if (rc < 0)
106 		return rc;
107 
108 	return 0;
109 }
110 
bcm54210e_config_init(struct phy_device * phydev)111 static int bcm54210e_config_init(struct phy_device *phydev)
112 {
113 	int val;
114 
115 	bcm54xx_config_clock_delay(phydev);
116 
117 	if (phydev->dev_flags & PHY_BRCM_EN_MASTER_MODE) {
118 		val = phy_read(phydev, MII_CTRL1000);
119 		val |= CTL1000_AS_MASTER | CTL1000_ENABLE_MASTER;
120 		phy_write(phydev, MII_CTRL1000, val);
121 	}
122 
123 	return 0;
124 }
125 
bcm54612e_config_init(struct phy_device * phydev)126 static int bcm54612e_config_init(struct phy_device *phydev)
127 {
128 	int reg;
129 
130 	bcm54xx_config_clock_delay(phydev);
131 
132 	/* Enable CLK125 MUX on LED4 if ref clock is enabled. */
133 	if (!(phydev->dev_flags & PHY_BRCM_RX_REFCLK_UNUSED)) {
134 		int err;
135 
136 		reg = bcm_phy_read_exp(phydev, BCM54612E_EXP_SPARE0);
137 		err = bcm_phy_write_exp(phydev, BCM54612E_EXP_SPARE0,
138 					BCM54612E_LED4_CLK125OUT_EN | reg);
139 
140 		if (err < 0)
141 			return err;
142 	}
143 
144 	return 0;
145 }
146 
bcm54616s_config_init(struct phy_device * phydev)147 static int bcm54616s_config_init(struct phy_device *phydev)
148 {
149 	int rc, val;
150 
151 	if (phydev->interface != PHY_INTERFACE_MODE_SGMII &&
152 	    phydev->interface != PHY_INTERFACE_MODE_1000BASEX)
153 		return 0;
154 
155 	/* Ensure proper interface mode is selected. */
156 	/* Disable RGMII mode */
157 	val = bcm54xx_auxctl_read(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC);
158 	if (val < 0)
159 		return val;
160 	val &= ~MII_BCM54XX_AUXCTL_SHDWSEL_MISC_RGMII_EN;
161 	val |= MII_BCM54XX_AUXCTL_MISC_WREN;
162 	rc = bcm54xx_auxctl_write(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC,
163 				  val);
164 	if (rc < 0)
165 		return rc;
166 
167 	/* Select 1000BASE-X register set (primary SerDes) */
168 	val = bcm_phy_read_shadow(phydev, BCM54XX_SHD_MODE);
169 	if (val < 0)
170 		return val;
171 	val |= BCM54XX_SHD_MODE_1000BX;
172 	rc = bcm_phy_write_shadow(phydev, BCM54XX_SHD_MODE, val);
173 	if (rc < 0)
174 		return rc;
175 
176 	/* Power down SerDes interface */
177 	rc = phy_set_bits(phydev, MII_BMCR, BMCR_PDOWN);
178 	if (rc < 0)
179 		return rc;
180 
181 	/* Select proper interface mode */
182 	val &= ~BCM54XX_SHD_INTF_SEL_MASK;
183 	val |= phydev->interface == PHY_INTERFACE_MODE_SGMII ?
184 		BCM54XX_SHD_INTF_SEL_SGMII :
185 		BCM54XX_SHD_INTF_SEL_GBIC;
186 	rc = bcm_phy_write_shadow(phydev, BCM54XX_SHD_MODE, val);
187 	if (rc < 0)
188 		return rc;
189 
190 	/* Power up SerDes interface */
191 	rc = phy_clear_bits(phydev, MII_BMCR, BMCR_PDOWN);
192 	if (rc < 0)
193 		return rc;
194 
195 	/* Select copper register set */
196 	val &= ~BCM54XX_SHD_MODE_1000BX;
197 	rc = bcm_phy_write_shadow(phydev, BCM54XX_SHD_MODE, val);
198 	if (rc < 0)
199 		return rc;
200 
201 	/* Power up copper interface */
202 	return phy_clear_bits(phydev, MII_BMCR, BMCR_PDOWN);
203 }
204 
205 /* Needs SMDSP clock enabled via bcm54xx_phydsp_config() */
bcm50610_a0_workaround(struct phy_device * phydev)206 static int bcm50610_a0_workaround(struct phy_device *phydev)
207 {
208 	int err;
209 
210 	err = bcm_phy_write_exp(phydev, MII_BCM54XX_EXP_AADJ1CH0,
211 				MII_BCM54XX_EXP_AADJ1CH0_SWP_ABCD_OEN |
212 				MII_BCM54XX_EXP_AADJ1CH0_SWSEL_THPF);
213 	if (err < 0)
214 		return err;
215 
216 	err = bcm_phy_write_exp(phydev, MII_BCM54XX_EXP_AADJ1CH3,
217 				MII_BCM54XX_EXP_AADJ1CH3_ADCCKADJ);
218 	if (err < 0)
219 		return err;
220 
221 	err = bcm_phy_write_exp(phydev, MII_BCM54XX_EXP_EXP75,
222 				MII_BCM54XX_EXP_EXP75_VDACCTRL);
223 	if (err < 0)
224 		return err;
225 
226 	err = bcm_phy_write_exp(phydev, MII_BCM54XX_EXP_EXP96,
227 				MII_BCM54XX_EXP_EXP96_MYST);
228 	if (err < 0)
229 		return err;
230 
231 	err = bcm_phy_write_exp(phydev, MII_BCM54XX_EXP_EXP97,
232 				MII_BCM54XX_EXP_EXP97_MYST);
233 
234 	return err;
235 }
236 
bcm54xx_phydsp_config(struct phy_device * phydev)237 static int bcm54xx_phydsp_config(struct phy_device *phydev)
238 {
239 	int err, err2;
240 
241 	/* Enable the SMDSP clock */
242 	err = bcm54xx_auxctl_write(phydev,
243 				   MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL,
244 				   MII_BCM54XX_AUXCTL_ACTL_SMDSP_ENA |
245 				   MII_BCM54XX_AUXCTL_ACTL_TX_6DB);
246 	if (err < 0)
247 		return err;
248 
249 	if (phy_id_compare_model(phydev->drv->phy_id, PHY_ID_BCM50610) ||
250 	    phy_id_compare_model(phydev->drv->phy_id, PHY_ID_BCM50610M)) {
251 		/* Clear bit 9 to fix a phy interop issue. */
252 		err = bcm_phy_write_exp(phydev, MII_BCM54XX_EXP_EXP08,
253 					MII_BCM54XX_EXP_EXP08_RJCT_2MHZ);
254 		if (err < 0)
255 			goto error;
256 
257 		if (phydev->drv->phy_id == PHY_ID_BCM50610) {
258 			err = bcm50610_a0_workaround(phydev);
259 			if (err < 0)
260 				goto error;
261 		}
262 	}
263 
264 	if (phy_id_compare_model(phydev->drv->phy_id, PHY_ID_BCM57780)) {
265 		int val;
266 
267 		val = bcm_phy_read_exp(phydev, MII_BCM54XX_EXP_EXP75);
268 		if (val < 0)
269 			goto error;
270 
271 		val |= MII_BCM54XX_EXP_EXP75_CM_OSC;
272 		err = bcm_phy_write_exp(phydev, MII_BCM54XX_EXP_EXP75, val);
273 	}
274 
275 error:
276 	/* Disable the SMDSP clock */
277 	err2 = bcm54xx_auxctl_write(phydev,
278 				    MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL,
279 				    MII_BCM54XX_AUXCTL_ACTL_TX_6DB);
280 
281 	/* Return the first error reported. */
282 	return err ? err : err2;
283 }
284 
bcm54xx_adjust_rxrefclk(struct phy_device * phydev)285 static void bcm54xx_adjust_rxrefclk(struct phy_device *phydev)
286 {
287 	u32 orig;
288 	int val;
289 	bool clk125en = true;
290 
291 	/* Abort if we are using an untested phy. */
292 	if (!(phy_id_compare_model(phydev->drv->phy_id, PHY_ID_BCM57780) ||
293 	      phy_id_compare_model(phydev->drv->phy_id, PHY_ID_BCM50610) ||
294 	      phy_id_compare_model(phydev->drv->phy_id, PHY_ID_BCM50610M) ||
295 	      phy_id_compare_model(phydev->drv->phy_id, PHY_ID_BCM54210E) ||
296 	      phy_id_compare_model(phydev->drv->phy_id, PHY_ID_BCM54810) ||
297 	      phy_id_compare_model(phydev->drv->phy_id, PHY_ID_BCM54811)))
298 		return;
299 
300 	val = bcm_phy_read_shadow(phydev, BCM54XX_SHD_SCR3);
301 	if (val < 0)
302 		return;
303 
304 	orig = val;
305 
306 	if ((phy_id_compare_model(phydev->drv->phy_id, PHY_ID_BCM50610) ||
307 	     phy_id_compare_model(phydev->drv->phy_id, PHY_ID_BCM50610M)) &&
308 	    BRCM_PHY_REV(phydev) >= 0x3) {
309 		/*
310 		 * Here, bit 0 _disables_ CLK125 when set.
311 		 * This bit is set by default.
312 		 */
313 		clk125en = false;
314 	} else {
315 		if (phydev->dev_flags & PHY_BRCM_RX_REFCLK_UNUSED) {
316 			if (!phy_id_compare_model(phydev->drv->phy_id,
317 						  PHY_ID_BCM54811)) {
318 				/* Here, bit 0 _enables_ CLK125 when set */
319 				val &= ~BCM54XX_SHD_SCR3_DEF_CLK125;
320 			}
321 			clk125en = false;
322 		}
323 	}
324 
325 	if (!clk125en || (phydev->dev_flags & PHY_BRCM_AUTO_PWRDWN_ENABLE))
326 		val &= ~BCM54XX_SHD_SCR3_DLLAPD_DIS;
327 	else
328 		val |= BCM54XX_SHD_SCR3_DLLAPD_DIS;
329 
330 	if (phydev->dev_flags & PHY_BRCM_DIS_TXCRXC_NOENRGY) {
331 		if (phy_id_compare_model(phydev->drv->phy_id, PHY_ID_BCM54210E) ||
332 		    phy_id_compare_model(phydev->drv->phy_id, PHY_ID_BCM54810) ||
333 		    phy_id_compare_model(phydev->drv->phy_id, PHY_ID_BCM54811))
334 			val |= BCM54XX_SHD_SCR3_RXCTXC_DIS;
335 		else
336 			val |= BCM54XX_SHD_SCR3_TRDDAPD;
337 	}
338 
339 	if (orig != val)
340 		bcm_phy_write_shadow(phydev, BCM54XX_SHD_SCR3, val);
341 
342 	val = bcm_phy_read_shadow(phydev, BCM54XX_SHD_APD);
343 	if (val < 0)
344 		return;
345 
346 	orig = val;
347 
348 	if (!clk125en || (phydev->dev_flags & PHY_BRCM_AUTO_PWRDWN_ENABLE))
349 		val |= BCM54XX_SHD_APD_EN;
350 	else
351 		val &= ~BCM54XX_SHD_APD_EN;
352 
353 	if (orig != val)
354 		bcm_phy_write_shadow(phydev, BCM54XX_SHD_APD, val);
355 }
356 
bcm54xx_ptp_stop(struct phy_device * phydev)357 static void bcm54xx_ptp_stop(struct phy_device *phydev)
358 {
359 	struct bcm54xx_phy_priv *priv = phydev->priv;
360 
361 	if (priv->ptp)
362 		bcm_ptp_stop(priv->ptp);
363 }
364 
bcm54xx_ptp_config_init(struct phy_device * phydev)365 static void bcm54xx_ptp_config_init(struct phy_device *phydev)
366 {
367 	struct bcm54xx_phy_priv *priv = phydev->priv;
368 
369 	if (priv->ptp)
370 		bcm_ptp_config_init(phydev);
371 }
372 
bcm5481x_set_brrmode(struct phy_device * phydev,bool on)373 static int bcm5481x_set_brrmode(struct phy_device *phydev, bool on)
374 {
375 	int reg;
376 	int err;
377 	u16 val;
378 
379 	reg = bcm_phy_read_exp(phydev, BCM54810_EXP_BROADREACH_LRE_MISC_CTL);
380 
381 	if (reg < 0)
382 		return reg;
383 
384 	if (on)
385 		reg |= BCM54810_EXP_BROADREACH_LRE_MISC_CTL_EN;
386 	else
387 		reg &= ~BCM54810_EXP_BROADREACH_LRE_MISC_CTL_EN;
388 
389 	err = bcm_phy_write_exp(phydev,
390 				BCM54810_EXP_BROADREACH_LRE_MISC_CTL, reg);
391 	if (err)
392 		return err;
393 
394 	/* Ensure LRE or IEEE register set is accessed according to the brr
395 	 *  on/off, thus set the override
396 	 */
397 	val = BCM54811_EXP_BROADREACH_LRE_OVERLAY_CTL_EN;
398 	if (!on)
399 		val |= BCM54811_EXP_BROADREACH_LRE_OVERLAY_CTL_OVERRIDE_VAL;
400 
401 	return bcm_phy_write_exp(phydev,
402 				 BCM54811_EXP_BROADREACH_LRE_OVERLAY_CTL, val);
403 }
404 
bcm54811_config_init(struct phy_device * phydev)405 static int bcm54811_config_init(struct phy_device *phydev)
406 {
407 	struct bcm54xx_phy_priv *priv = phydev->priv;
408 	int err, reg, exp_sync_ethernet, aux_rgmii_en;
409 
410 	/* Enable CLK125 MUX on LED4 if ref clock is enabled. */
411 	if (!(phydev->dev_flags & PHY_BRCM_RX_REFCLK_UNUSED)) {
412 		reg = bcm_phy_read_exp(phydev, BCM54612E_EXP_SPARE0);
413 		if (reg < 0)
414 			return reg;
415 		err = bcm_phy_write_exp(phydev, BCM54612E_EXP_SPARE0,
416 					BCM54612E_LED4_CLK125OUT_EN | reg);
417 		if (err < 0)
418 			return err;
419 	}
420 
421 	/* With BCM54811, BroadR-Reach implies no autoneg */
422 	if (priv->brr_mode)
423 		phydev->autoneg = 0;
424 
425 	/* Enable MII Lite (No TXER, RXER, CRS, COL) if configured */
426 	if (phydev->interface == PHY_INTERFACE_MODE_MIILITE)
427 		exp_sync_ethernet = BCM_EXP_SYNC_ETHERNET_MII_LITE;
428 	else
429 		exp_sync_ethernet = 0;
430 
431 	err = bcm_phy_modify_exp(phydev, BCM_EXP_SYNC_ETHERNET,
432 				 BCM_EXP_SYNC_ETHERNET_MII_LITE,
433 				 exp_sync_ethernet);
434 	if (err < 0)
435 		return err;
436 
437 	/* Enable RGMII if configured */
438 	if (phy_interface_is_rgmii(phydev))
439 		aux_rgmii_en = MII_BCM54XX_AUXCTL_SHDWSEL_MISC_RGMII_EN |
440 			       MII_BCM54XX_AUXCTL_SHDWSEL_MISC_RGMII_SKEW_EN;
441 	else
442 		aux_rgmii_en = 0;
443 
444 	/* Also writing Reserved bits 6:5 because the documentation requires
445 	 * them to be written to 0b11
446 	 */
447 	err = bcm54xx_auxctl_write(phydev,
448 				   MII_BCM54XX_AUXCTL_SHDWSEL_MISC,
449 				   MII_BCM54XX_AUXCTL_MISC_WREN |
450 				   aux_rgmii_en |
451 				   MII_BCM54XX_AUXCTL_SHDWSEL_MISC_RSVD);
452 	if (err < 0)
453 		return err;
454 
455 	return bcm5481x_set_brrmode(phydev, priv->brr_mode);
456 }
457 
bcm54xx_config_init(struct phy_device * phydev)458 static int bcm54xx_config_init(struct phy_device *phydev)
459 {
460 	int reg, err, val;
461 
462 	reg = phy_read(phydev, MII_BCM54XX_ECR);
463 	if (reg < 0)
464 		return reg;
465 
466 	/* Mask interrupts globally.  */
467 	reg |= MII_BCM54XX_ECR_IM;
468 	err = phy_write(phydev, MII_BCM54XX_ECR, reg);
469 	if (err < 0)
470 		return err;
471 
472 	/* Unmask events we are interested in.  */
473 	reg = ~(MII_BCM54XX_INT_DUPLEX |
474 		MII_BCM54XX_INT_SPEED |
475 		MII_BCM54XX_INT_LINK);
476 	err = phy_write(phydev, MII_BCM54XX_IMR, reg);
477 	if (err < 0)
478 		return err;
479 
480 	if ((phy_id_compare_model(phydev->drv->phy_id, PHY_ID_BCM50610) ||
481 	     phy_id_compare_model(phydev->drv->phy_id, PHY_ID_BCM50610M)) &&
482 	    (phydev->dev_flags & PHY_BRCM_CLEAR_RGMII_MODE))
483 		bcm_phy_write_shadow(phydev, BCM54XX_SHD_RGMII_MODE, 0);
484 
485 	bcm54xx_adjust_rxrefclk(phydev);
486 
487 	switch (phydev->drv->phy_id & PHY_ID_MATCH_MODEL_MASK) {
488 	case PHY_ID_BCM50610:
489 	case PHY_ID_BCM50610M:
490 		err = bcm54xx_config_clock_delay(phydev);
491 		break;
492 	case PHY_ID_BCM54210E:
493 		err = bcm54210e_config_init(phydev);
494 		break;
495 	case PHY_ID_BCM54612E:
496 		err = bcm54612e_config_init(phydev);
497 		break;
498 	case PHY_ID_BCM54616S:
499 		err = bcm54616s_config_init(phydev);
500 		break;
501 	case PHY_ID_BCM54810:
502 		/* For BCM54810, we need to disable BroadR-Reach function */
503 		val = bcm_phy_read_exp(phydev,
504 				       BCM54810_EXP_BROADREACH_LRE_MISC_CTL);
505 		val &= ~BCM54810_EXP_BROADREACH_LRE_MISC_CTL_EN;
506 		err = bcm_phy_write_exp(phydev,
507 					BCM54810_EXP_BROADREACH_LRE_MISC_CTL,
508 					val);
509 		break;
510 	case PHY_ID_BCM54811:
511 		err = bcm54811_config_init(phydev);
512 		break;
513 	}
514 	if (err)
515 		return err;
516 
517 	bcm54xx_phydsp_config(phydev);
518 
519 	/* For non-SFP setups, encode link speed into LED1 and LED3 pair
520 	 * (green/amber).
521 	 * Also flash these two LEDs on activity. This means configuring
522 	 * them for MULTICOLOR and encoding link/activity into them.
523 	 * Don't do this for devices on an SFP module, since some of these
524 	 * use the LED outputs to control the SFP LOS signal, and changing
525 	 * these settings will cause LOS to malfunction.
526 	 */
527 	if (!phy_on_sfp(phydev)) {
528 		val = BCM54XX_SHD_LEDS1_LED1(BCM_LED_SRC_MULTICOLOR1) |
529 			BCM54XX_SHD_LEDS1_LED3(BCM_LED_SRC_MULTICOLOR1);
530 		bcm_phy_write_shadow(phydev, BCM54XX_SHD_LEDS1, val);
531 
532 		val = BCM_LED_MULTICOLOR_IN_PHASE |
533 			BCM54XX_SHD_LEDS1_LED1(BCM_LED_MULTICOLOR_LINK_ACT) |
534 			BCM54XX_SHD_LEDS1_LED3(BCM_LED_MULTICOLOR_LINK_ACT);
535 		bcm_phy_write_exp(phydev, BCM_EXP_MULTICOLOR, val);
536 	}
537 
538 	bcm54xx_ptp_config_init(phydev);
539 
540 	/* Acknowledge any left over interrupt and charge the device for
541 	 * wake-up.
542 	 */
543 	err = bcm_phy_read_exp(phydev, BCM54XX_WOL_INT_STATUS);
544 	if (err < 0)
545 		return err;
546 
547 	if (err)
548 		pm_wakeup_event(&phydev->mdio.dev, 0);
549 
550 	return 0;
551 }
552 
bcm54xx_iddq_set(struct phy_device * phydev,bool enable)553 static int bcm54xx_iddq_set(struct phy_device *phydev, bool enable)
554 {
555 	int ret = 0;
556 
557 	if (!(phydev->dev_flags & PHY_BRCM_IDDQ_SUSPEND))
558 		return ret;
559 
560 	ret = bcm_phy_read_exp(phydev, BCM54XX_TOP_MISC_IDDQ_CTRL);
561 	if (ret < 0)
562 		goto out;
563 
564 	if (enable)
565 		ret |= BCM54XX_TOP_MISC_IDDQ_SR | BCM54XX_TOP_MISC_IDDQ_LP;
566 	else
567 		ret &= ~(BCM54XX_TOP_MISC_IDDQ_SR | BCM54XX_TOP_MISC_IDDQ_LP);
568 
569 	ret = bcm_phy_write_exp(phydev, BCM54XX_TOP_MISC_IDDQ_CTRL, ret);
570 out:
571 	return ret;
572 }
573 
bcm54xx_set_wakeup_irq(struct phy_device * phydev,bool state)574 static int bcm54xx_set_wakeup_irq(struct phy_device *phydev, bool state)
575 {
576 	struct bcm54xx_phy_priv *priv = phydev->priv;
577 	int ret = 0;
578 
579 	if (!bcm54xx_phy_can_wakeup(phydev))
580 		return ret;
581 
582 	if (priv->wake_irq_enabled != state) {
583 		if (state)
584 			ret = enable_irq_wake(priv->wake_irq);
585 		else
586 			ret = disable_irq_wake(priv->wake_irq);
587 		priv->wake_irq_enabled = state;
588 	}
589 
590 	return ret;
591 }
592 
bcm54xx_suspend(struct phy_device * phydev)593 static int bcm54xx_suspend(struct phy_device *phydev)
594 {
595 	struct bcm54xx_phy_priv *priv = phydev->priv;
596 	int ret = 0;
597 
598 	mutex_lock(&phydev->lock);
599 	bcm_phy_update_stats_shadow(phydev, priv->stats);
600 	mutex_unlock(&phydev->lock);
601 
602 	bcm54xx_ptp_stop(phydev);
603 
604 	/* Acknowledge any Wake-on-LAN interrupt prior to suspend */
605 	ret = bcm_phy_read_exp(phydev, BCM54XX_WOL_INT_STATUS);
606 	if (ret < 0)
607 		return ret;
608 
609 	if (phydev->wol_enabled)
610 		return bcm54xx_set_wakeup_irq(phydev, true);
611 
612 	/* We cannot use a read/modify/write here otherwise the PHY gets into
613 	 * a bad state where its LEDs keep flashing, thus defeating the purpose
614 	 * of low power mode.
615 	 */
616 	ret = phy_write(phydev, MII_BMCR, BMCR_PDOWN);
617 	if (ret < 0)
618 		return ret;
619 
620 	return bcm54xx_iddq_set(phydev, true);
621 }
622 
bcm54xx_resume(struct phy_device * phydev)623 static int bcm54xx_resume(struct phy_device *phydev)
624 {
625 	int ret = 0;
626 
627 	if (phydev->wol_enabled) {
628 		ret = bcm54xx_set_wakeup_irq(phydev, false);
629 		if (ret)
630 			return ret;
631 	}
632 
633 	ret = bcm54xx_iddq_set(phydev, false);
634 	if (ret < 0)
635 		return ret;
636 
637 	/* Writes to register other than BMCR would be ignored
638 	 * unless we clear the PDOWN bit first
639 	 */
640 	ret = genphy_resume(phydev);
641 	if (ret < 0)
642 		return ret;
643 
644 	/* Upon exiting power down, the PHY remains in an internal reset state
645 	 * for 40us
646 	 */
647 	fsleep(40);
648 
649 	/* Issue a soft reset after clearing the power down bit
650 	 * and before doing any other configuration.
651 	 */
652 	if (phydev->dev_flags & PHY_BRCM_IDDQ_SUSPEND) {
653 		ret = genphy_soft_reset(phydev);
654 		if (ret < 0)
655 			return ret;
656 	}
657 
658 	return bcm54xx_config_init(phydev);
659 }
660 
bcm54810_read_mmd(struct phy_device * phydev,int devnum,u16 regnum)661 static int bcm54810_read_mmd(struct phy_device *phydev, int devnum, u16 regnum)
662 {
663 	return -EOPNOTSUPP;
664 }
665 
bcm54810_write_mmd(struct phy_device * phydev,int devnum,u16 regnum,u16 val)666 static int bcm54810_write_mmd(struct phy_device *phydev, int devnum, u16 regnum,
667 			      u16 val)
668 {
669 	return -EOPNOTSUPP;
670 }
671 
672 
673 /**
674  * bcm5481x_read_abilities - read PHY abilities from LRESR or Clause 22
675  * (BMSR) registers, based on whether the PHY is in BroadR-Reach or IEEE mode
676  * @phydev: target phy_device struct
677  *
678  * Description: Reads the PHY's abilities and populates phydev->supported
679  * accordingly. The register to read the abilities from is determined by
680  * the brr mode setting of the PHY as read from the device tree.
681  * Note that the LRE and IEEE sets of abilities are disjunct, in other words,
682  * not only the link modes differ, but also the auto-negotiation and
683  * master-slave setup is controlled differently.
684  *
685  * Returns: 0 on success, < 0 on failure
686  */
bcm5481x_read_abilities(struct phy_device * phydev)687 static int bcm5481x_read_abilities(struct phy_device *phydev)
688 {
689 	struct device_node *np = phydev->mdio.dev.of_node;
690 	struct bcm54xx_phy_priv *priv = phydev->priv;
691 	int i, val, err, aneg;
692 
693 	for (i = 0; i < ARRAY_SIZE(bcm54811_linkmodes); i++)
694 		linkmode_clear_bit(bcm54811_linkmodes[i], phydev->supported);
695 
696 	priv->brr_mode = of_property_read_bool(np, "brr-mode");
697 
698 	/* Set BroadR-Reach mode as configured in the DT. */
699 	err = bcm5481x_set_brrmode(phydev, priv->brr_mode);
700 	if (err)
701 		return err;
702 
703 	if (priv->brr_mode) {
704 		linkmode_set_bit_array(phy_basic_ports_array,
705 				       ARRAY_SIZE(phy_basic_ports_array),
706 				       phydev->supported);
707 
708 		val = phy_read(phydev, MII_BCM54XX_LRESR);
709 		if (val < 0)
710 			return val;
711 
712 		/* BCM54811 is not capable of LDS but the corresponding bit
713 		 * in LRESR is set to 1 and marked "Ignore" in the datasheet.
714 		 * So we must read the bcm54811 as unable to auto-negotiate
715 		 * in BroadR-Reach mode.
716 		 */
717 		if (phy_id_compare_model(phydev->drv->phy_id, PHY_ID_BCM54811))
718 			aneg = 0;
719 		else
720 			aneg = val & LRESR_LDSABILITY;
721 
722 		linkmode_mod_bit(ETHTOOL_LINK_MODE_Autoneg_BIT,
723 				 phydev->supported,
724 				 aneg);
725 		linkmode_mod_bit(ETHTOOL_LINK_MODE_100baseT1_Full_BIT,
726 				 phydev->supported,
727 				 val & LRESR_100_1PAIR);
728 		linkmode_mod_bit(ETHTOOL_LINK_MODE_10baseT1BRR_Full_BIT,
729 				 phydev->supported,
730 				 val & LRESR_10_1PAIR);
731 		return 0;
732 	}
733 
734 	return genphy_read_abilities(phydev);
735 }
736 
bcm5481x_config_delay_swap(struct phy_device * phydev)737 static int bcm5481x_config_delay_swap(struct phy_device *phydev)
738 {
739 	struct device_node *np = phydev->mdio.dev.of_node;
740 
741 	/* Set up the delay. */
742 	bcm54xx_config_clock_delay(phydev);
743 
744 	if (of_property_read_bool(np, "enet-phy-lane-swap")) {
745 		/* Lane Swap - Undocumented register...magic! */
746 		int ret = bcm_phy_write_exp(phydev,
747 					    MII_BCM54XX_EXP_SEL_ER + 0x9,
748 					    0x11B);
749 		if (ret < 0)
750 			return ret;
751 	}
752 
753 	return 0;
754 }
755 
bcm5481_config_aneg(struct phy_device * phydev)756 static int bcm5481_config_aneg(struct phy_device *phydev)
757 {
758 	struct bcm54xx_phy_priv *priv = phydev->priv;
759 	int ret;
760 
761 	/* Aneg firstly. */
762 	if (priv->brr_mode)
763 		ret = bcm_config_lre_aneg(phydev, false);
764 	else
765 		ret = genphy_config_aneg(phydev);
766 
767 	if (ret)
768 		return ret;
769 
770 	/* Then we can set up the delay and swap. */
771 	return bcm5481x_config_delay_swap(phydev);
772 }
773 
bcm54811_config_aneg(struct phy_device * phydev)774 static int bcm54811_config_aneg(struct phy_device *phydev)
775 {
776 	struct bcm54xx_phy_priv *priv = phydev->priv;
777 	int ret;
778 
779 	/* Aneg firstly. */
780 	if (priv->brr_mode) {
781 		/* BCM54811 is only capable of autonegotiation in IEEE mode.
782 		 * In BroadR-Reach mode, disable the Long Distance Signaling,
783 		 * the BRR mode autoneg as supported in other Broadcom PHYs.
784 		 * This bit is marked as "Reserved" and "Default 1, must be
785 		 *  written to 0 after every device reset" in the datasheet.
786 		 */
787 		ret = phy_modify(phydev, MII_BCM54XX_LRECR, LRECR_LDSEN, 0);
788 		if (ret < 0)
789 			return ret;
790 		ret = bcm_config_lre_aneg(phydev, false);
791 	} else {
792 		ret = genphy_config_aneg(phydev);
793 	}
794 
795 	if (ret)
796 		return ret;
797 
798 	/* Then we can set up the delay and swap. */
799 	return bcm5481x_config_delay_swap(phydev);
800 }
801 
802 struct bcm54616s_phy_priv {
803 	bool mode_1000bx_en;
804 };
805 
bcm54616s_probe(struct phy_device * phydev)806 static int bcm54616s_probe(struct phy_device *phydev)
807 {
808 	struct bcm54616s_phy_priv *priv;
809 	int val;
810 
811 	priv = devm_kzalloc(&phydev->mdio.dev, sizeof(*priv), GFP_KERNEL);
812 	if (!priv)
813 		return -ENOMEM;
814 
815 	phydev->priv = priv;
816 
817 	val = bcm_phy_read_shadow(phydev, BCM54XX_SHD_MODE);
818 	if (val < 0)
819 		return val;
820 
821 	/* The PHY is strapped in RGMII-fiber mode when INTERF_SEL[1:0]
822 	 * is 01b, and the link between PHY and its link partner can be
823 	 * either 1000Base-X or 100Base-FX.
824 	 * RGMII-1000Base-X is properly supported, but RGMII-100Base-FX
825 	 * support is still missing as of now.
826 	 */
827 	if ((val & BCM54XX_SHD_INTF_SEL_MASK) == BCM54XX_SHD_INTF_SEL_RGMII) {
828 		val = bcm_phy_read_shadow(phydev, BCM54616S_SHD_100FX_CTRL);
829 		if (val < 0)
830 			return val;
831 
832 		/* Bit 0 of the SerDes 100-FX Control register, when set
833 		 * to 1, sets the MII/RGMII -> 100BASE-FX configuration.
834 		 * When this bit is set to 0, it sets the GMII/RGMII ->
835 		 * 1000BASE-X configuration.
836 		 */
837 		if (!(val & BCM54616S_100FX_MODE))
838 			priv->mode_1000bx_en = true;
839 
840 		phydev->port = PORT_FIBRE;
841 	}
842 
843 	return 0;
844 }
845 
bcm54616s_config_aneg(struct phy_device * phydev)846 static int bcm54616s_config_aneg(struct phy_device *phydev)
847 {
848 	struct bcm54616s_phy_priv *priv = phydev->priv;
849 	int ret;
850 
851 	/* Aneg firstly. */
852 	if (priv->mode_1000bx_en)
853 		ret = genphy_c37_config_aneg(phydev);
854 	else
855 		ret = genphy_config_aneg(phydev);
856 
857 	/* Then we can set up the delay. */
858 	bcm54xx_config_clock_delay(phydev);
859 
860 	return ret;
861 }
862 
bcm54616s_read_status(struct phy_device * phydev)863 static int bcm54616s_read_status(struct phy_device *phydev)
864 {
865 	struct bcm54616s_phy_priv *priv = phydev->priv;
866 	bool changed;
867 	int err;
868 
869 	if (priv->mode_1000bx_en)
870 		err = genphy_c37_read_status(phydev, &changed);
871 	else
872 		err = genphy_read_status(phydev);
873 
874 	return err;
875 }
876 
brcm_fet_config_init(struct phy_device * phydev)877 static int brcm_fet_config_init(struct phy_device *phydev)
878 {
879 	int reg, err, err2, brcmtest;
880 
881 	/* Reset the PHY to bring it to a known state. */
882 	err = phy_write(phydev, MII_BMCR, BMCR_RESET);
883 	if (err < 0)
884 		return err;
885 
886 	/* The datasheet indicates the PHY needs up to 1us to complete a reset,
887 	 * build some slack here.
888 	 */
889 	usleep_range(1000, 2000);
890 
891 	/* The PHY requires 65 MDC clock cycles to complete a write operation
892 	 * and turnaround the line properly.
893 	 *
894 	 * We ignore -EIO here as the MDIO controller (e.g.: mdio-bcm-unimac)
895 	 * may flag the lack of turn-around as a read failure. This is
896 	 * particularly true with this combination since the MDIO controller
897 	 * only used 64 MDC cycles. This is not a critical failure in this
898 	 * specific case and it has no functional impact otherwise, so we let
899 	 * that one go through. If there is a genuine bus error, the next read
900 	 * of MII_BRCM_FET_INTREG will error out.
901 	 */
902 	err = phy_read(phydev, MII_BMCR);
903 	if (err < 0 && err != -EIO)
904 		return err;
905 
906 	/* Read to clear status bits */
907 	reg = phy_read(phydev, MII_BRCM_FET_INTREG);
908 	if (reg < 0)
909 		return reg;
910 
911 	/* Unmask events we are interested in and mask interrupts globally. */
912 	if (phydev->drv->phy_id == PHY_ID_BCM5221)
913 		reg = MII_BRCM_FET_IR_ENABLE |
914 		      MII_BRCM_FET_IR_MASK;
915 	else
916 		reg = MII_BRCM_FET_IR_DUPLEX_EN |
917 		      MII_BRCM_FET_IR_SPEED_EN |
918 		      MII_BRCM_FET_IR_LINK_EN |
919 		      MII_BRCM_FET_IR_ENABLE |
920 		      MII_BRCM_FET_IR_MASK;
921 
922 	err = phy_write(phydev, MII_BRCM_FET_INTREG, reg);
923 	if (err < 0)
924 		return err;
925 
926 	/* Enable shadow register access */
927 	brcmtest = phy_read(phydev, MII_BRCM_FET_BRCMTEST);
928 	if (brcmtest < 0)
929 		return brcmtest;
930 
931 	reg = brcmtest | MII_BRCM_FET_BT_SRE;
932 
933 	phy_lock_mdio_bus(phydev);
934 
935 	err = __phy_write(phydev, MII_BRCM_FET_BRCMTEST, reg);
936 	if (err < 0) {
937 		phy_unlock_mdio_bus(phydev);
938 		return err;
939 	}
940 
941 	if (phydev->drv->phy_id != PHY_ID_BCM5221) {
942 		/* Set the LED mode */
943 		reg = __phy_read(phydev, MII_BRCM_FET_SHDW_AUXMODE4);
944 		if (reg < 0) {
945 			err = reg;
946 			goto done;
947 		}
948 
949 		err = __phy_modify(phydev, MII_BRCM_FET_SHDW_AUXMODE4,
950 				   MII_BRCM_FET_SHDW_AM4_LED_MASK,
951 				   MII_BRCM_FET_SHDW_AM4_LED_MODE1);
952 		if (err < 0)
953 			goto done;
954 
955 		/* Enable auto MDIX */
956 		err = __phy_set_bits(phydev, MII_BRCM_FET_SHDW_MISCCTRL,
957 				     MII_BRCM_FET_SHDW_MC_FAME);
958 		if (err < 0)
959 			goto done;
960 	}
961 
962 	if (phydev->dev_flags & PHY_BRCM_AUTO_PWRDWN_ENABLE) {
963 		/* Enable auto power down */
964 		err = __phy_set_bits(phydev, MII_BRCM_FET_SHDW_AUXSTAT2,
965 				     MII_BRCM_FET_SHDW_AS2_APDE);
966 	}
967 
968 done:
969 	/* Disable shadow register access */
970 	err2 = __phy_write(phydev, MII_BRCM_FET_BRCMTEST, brcmtest);
971 	if (!err)
972 		err = err2;
973 
974 	phy_unlock_mdio_bus(phydev);
975 
976 	return err;
977 }
978 
brcm_fet_ack_interrupt(struct phy_device * phydev)979 static int brcm_fet_ack_interrupt(struct phy_device *phydev)
980 {
981 	int reg;
982 
983 	/* Clear pending interrupts.  */
984 	reg = phy_read(phydev, MII_BRCM_FET_INTREG);
985 	if (reg < 0)
986 		return reg;
987 
988 	return 0;
989 }
990 
brcm_fet_config_intr(struct phy_device * phydev)991 static int brcm_fet_config_intr(struct phy_device *phydev)
992 {
993 	int reg, err;
994 
995 	reg = phy_read(phydev, MII_BRCM_FET_INTREG);
996 	if (reg < 0)
997 		return reg;
998 
999 	if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
1000 		err = brcm_fet_ack_interrupt(phydev);
1001 		if (err)
1002 			return err;
1003 
1004 		reg &= ~MII_BRCM_FET_IR_MASK;
1005 		err = phy_write(phydev, MII_BRCM_FET_INTREG, reg);
1006 	} else {
1007 		reg |= MII_BRCM_FET_IR_MASK;
1008 		err = phy_write(phydev, MII_BRCM_FET_INTREG, reg);
1009 		if (err)
1010 			return err;
1011 
1012 		err = brcm_fet_ack_interrupt(phydev);
1013 	}
1014 
1015 	return err;
1016 }
1017 
brcm_fet_handle_interrupt(struct phy_device * phydev)1018 static irqreturn_t brcm_fet_handle_interrupt(struct phy_device *phydev)
1019 {
1020 	int irq_status;
1021 
1022 	irq_status = phy_read(phydev, MII_BRCM_FET_INTREG);
1023 	if (irq_status < 0) {
1024 		phy_error(phydev);
1025 		return IRQ_NONE;
1026 	}
1027 
1028 	if (irq_status == 0)
1029 		return IRQ_NONE;
1030 
1031 	phy_trigger_machine(phydev);
1032 
1033 	return IRQ_HANDLED;
1034 }
1035 
brcm_fet_suspend(struct phy_device * phydev)1036 static int brcm_fet_suspend(struct phy_device *phydev)
1037 {
1038 	int reg, err, err2, brcmtest;
1039 
1040 	/* We cannot use a read/modify/write here otherwise the PHY continues
1041 	 * to drive LEDs which defeats the purpose of low power mode.
1042 	 */
1043 	err = phy_write(phydev, MII_BMCR, BMCR_PDOWN);
1044 	if (err < 0)
1045 		return err;
1046 
1047 	/* Enable shadow register access */
1048 	brcmtest = phy_read(phydev, MII_BRCM_FET_BRCMTEST);
1049 	if (brcmtest < 0)
1050 		return brcmtest;
1051 
1052 	reg = brcmtest | MII_BRCM_FET_BT_SRE;
1053 
1054 	phy_lock_mdio_bus(phydev);
1055 
1056 	err = __phy_write(phydev, MII_BRCM_FET_BRCMTEST, reg);
1057 	if (err < 0) {
1058 		phy_unlock_mdio_bus(phydev);
1059 		return err;
1060 	}
1061 
1062 	if (phydev->drv->phy_id == PHY_ID_BCM5221)
1063 		/* Force Low Power Mode with clock enabled */
1064 		reg = BCM5221_SHDW_AM4_EN_CLK_LPM | BCM5221_SHDW_AM4_FORCE_LPM;
1065 	else
1066 		/* Set standby mode */
1067 		reg = MII_BRCM_FET_SHDW_AM4_STANDBY;
1068 
1069 	err = __phy_set_bits(phydev, MII_BRCM_FET_SHDW_AUXMODE4, reg);
1070 
1071 	/* Disable shadow register access */
1072 	err2 = __phy_write(phydev, MII_BRCM_FET_BRCMTEST, brcmtest);
1073 	if (!err)
1074 		err = err2;
1075 
1076 	phy_unlock_mdio_bus(phydev);
1077 
1078 	return err;
1079 }
1080 
bcm5221_config_aneg(struct phy_device * phydev)1081 static int bcm5221_config_aneg(struct phy_device *phydev)
1082 {
1083 	int ret, val;
1084 
1085 	ret = genphy_config_aneg(phydev);
1086 	if (ret)
1087 		return ret;
1088 
1089 	switch (phydev->mdix_ctrl) {
1090 	case ETH_TP_MDI:
1091 		val = BCM5221_AEGSR_MDIX_DIS;
1092 		break;
1093 	case ETH_TP_MDI_X:
1094 		val = BCM5221_AEGSR_MDIX_DIS | BCM5221_AEGSR_MDIX_MAN_SWAP;
1095 		break;
1096 	case ETH_TP_MDI_AUTO:
1097 		val = 0;
1098 		break;
1099 	default:
1100 		return 0;
1101 	}
1102 
1103 	return phy_modify(phydev, BCM5221_AEGSR, BCM5221_AEGSR_MDIX_MAN_SWAP |
1104 						 BCM5221_AEGSR_MDIX_DIS,
1105 						 val);
1106 }
1107 
bcm5221_read_status(struct phy_device * phydev)1108 static int bcm5221_read_status(struct phy_device *phydev)
1109 {
1110 	int ret;
1111 
1112 	/* Read MDIX status */
1113 	ret = phy_read(phydev, BCM5221_AEGSR);
1114 	if (ret < 0)
1115 		return ret;
1116 
1117 	if (ret & BCM5221_AEGSR_MDIX_DIS) {
1118 		if (ret & BCM5221_AEGSR_MDIX_MAN_SWAP)
1119 			phydev->mdix_ctrl = ETH_TP_MDI_X;
1120 		else
1121 			phydev->mdix_ctrl = ETH_TP_MDI;
1122 	} else {
1123 		phydev->mdix_ctrl = ETH_TP_MDI_AUTO;
1124 	}
1125 
1126 	if (ret & BCM5221_AEGSR_MDIX_STATUS)
1127 		phydev->mdix = ETH_TP_MDI_X;
1128 	else
1129 		phydev->mdix = ETH_TP_MDI;
1130 
1131 	return genphy_read_status(phydev);
1132 }
1133 
bcm54xx_phy_get_wol(struct phy_device * phydev,struct ethtool_wolinfo * wol)1134 static void bcm54xx_phy_get_wol(struct phy_device *phydev,
1135 				struct ethtool_wolinfo *wol)
1136 {
1137 	/* We cannot wake-up if we do not have a dedicated PHY interrupt line
1138 	 * or an out of band GPIO descriptor for wake-up. Zeroing
1139 	 * wol->supported allows the caller (MAC driver) to play through and
1140 	 * offer its own Wake-on-LAN scheme if available.
1141 	 */
1142 	if (!bcm54xx_phy_can_wakeup(phydev)) {
1143 		wol->supported = 0;
1144 		return;
1145 	}
1146 
1147 	bcm_phy_get_wol(phydev, wol);
1148 }
1149 
bcm54xx_phy_set_wol(struct phy_device * phydev,struct ethtool_wolinfo * wol)1150 static int bcm54xx_phy_set_wol(struct phy_device *phydev,
1151 			       struct ethtool_wolinfo *wol)
1152 {
1153 	int ret;
1154 
1155 	/* We cannot wake-up if we do not have a dedicated PHY interrupt line
1156 	 * or an out of band GPIO descriptor for wake-up. Returning -EOPNOTSUPP
1157 	 * allows the caller (MAC driver) to play through and offer its own
1158 	 * Wake-on-LAN scheme if available.
1159 	 */
1160 	if (!bcm54xx_phy_can_wakeup(phydev))
1161 		return -EOPNOTSUPP;
1162 
1163 	ret = bcm_phy_set_wol(phydev, wol);
1164 	if (ret < 0)
1165 		return ret;
1166 
1167 	return 0;
1168 }
1169 
bcm54xx_phy_probe(struct phy_device * phydev)1170 static int bcm54xx_phy_probe(struct phy_device *phydev)
1171 {
1172 	struct bcm54xx_phy_priv *priv;
1173 	struct gpio_desc *wakeup_gpio;
1174 	int ret = 0;
1175 
1176 	priv = devm_kzalloc(&phydev->mdio.dev, sizeof(*priv), GFP_KERNEL);
1177 	if (!priv)
1178 		return -ENOMEM;
1179 
1180 	priv->wake_irq = -ENXIO;
1181 
1182 	phydev->priv = priv;
1183 
1184 	priv->stats = devm_kcalloc(&phydev->mdio.dev,
1185 				   bcm_phy_get_sset_count(phydev), sizeof(u64),
1186 				   GFP_KERNEL);
1187 	if (!priv->stats)
1188 		return -ENOMEM;
1189 
1190 	priv->ptp = bcm_ptp_probe(phydev);
1191 	if (IS_ERR(priv->ptp))
1192 		return PTR_ERR(priv->ptp);
1193 
1194 	/* We cannot utilize the _optional variant here since we want to know
1195 	 * whether the GPIO descriptor exists or not to advertise Wake-on-LAN
1196 	 * support or not.
1197 	 */
1198 	wakeup_gpio = devm_gpiod_get(&phydev->mdio.dev, "wakeup", GPIOD_IN);
1199 	if (PTR_ERR(wakeup_gpio) == -EPROBE_DEFER)
1200 		return PTR_ERR(wakeup_gpio);
1201 
1202 	if (!IS_ERR(wakeup_gpio)) {
1203 		priv->wake_irq = gpiod_to_irq(wakeup_gpio);
1204 
1205 		/* Dummy interrupt handler which is not enabled but is provided
1206 		 * in order for the interrupt descriptor to be fully set-up.
1207 		 */
1208 		ret = devm_request_irq(&phydev->mdio.dev, priv->wake_irq,
1209 				       bcm_phy_wol_isr,
1210 				       IRQF_TRIGGER_LOW | IRQF_NO_AUTOEN,
1211 				       dev_name(&phydev->mdio.dev), phydev);
1212 		if (ret)
1213 			return ret;
1214 	}
1215 
1216 	/* If we do not have a main interrupt or a side-band wake-up interrupt,
1217 	 * then the device cannot be marked as wake-up capable.
1218 	 */
1219 	if (!bcm54xx_phy_can_wakeup(phydev))
1220 		return 0;
1221 
1222 	return device_init_wakeup(&phydev->mdio.dev, true);
1223 }
1224 
bcm54xx_get_stats(struct phy_device * phydev,struct ethtool_stats * stats,u64 * data)1225 static void bcm54xx_get_stats(struct phy_device *phydev,
1226 			      struct ethtool_stats *stats, u64 *data)
1227 {
1228 	struct bcm54xx_phy_priv *priv = phydev->priv;
1229 
1230 	bcm_phy_get_stats(phydev, priv->stats, stats, data);
1231 }
1232 
bcm54xx_link_change_notify(struct phy_device * phydev)1233 static void bcm54xx_link_change_notify(struct phy_device *phydev)
1234 {
1235 	u16 mask = MII_BCM54XX_EXP_EXP08_EARLY_DAC_WAKE |
1236 		   MII_BCM54XX_EXP_EXP08_FORCE_DAC_WAKE;
1237 	int ret;
1238 
1239 	if (phydev->state != PHY_RUNNING)
1240 		return;
1241 
1242 	/* Don't change the DAC wake settings if auto power down
1243 	 * is not requested.
1244 	 */
1245 	if (!(phydev->dev_flags & PHY_BRCM_AUTO_PWRDWN_ENABLE))
1246 		return;
1247 
1248 	ret = bcm_phy_read_exp(phydev, MII_BCM54XX_EXP_EXP08);
1249 	if (ret < 0)
1250 		return;
1251 
1252 	/* Enable/disable 10BaseT auto and forced early DAC wake depending
1253 	 * on the negotiated speed, those settings should only be done
1254 	 * for 10Mbits/sec.
1255 	 */
1256 	if (phydev->speed == SPEED_10)
1257 		ret |= mask;
1258 	else
1259 		ret &= ~mask;
1260 	bcm_phy_write_exp(phydev, MII_BCM54XX_EXP_EXP08, ret);
1261 }
1262 
lre_read_master_slave(struct phy_device * phydev)1263 static int lre_read_master_slave(struct phy_device *phydev)
1264 {
1265 	int cfg = MASTER_SLAVE_CFG_UNKNOWN, state;
1266 	int val;
1267 
1268 	/* In BroadR-Reach mode we are always capable of master-slave
1269 	 *  and there is no preferred master or slave configuration
1270 	 */
1271 	phydev->master_slave_get = MASTER_SLAVE_CFG_UNKNOWN;
1272 	phydev->master_slave_state = MASTER_SLAVE_STATE_UNKNOWN;
1273 
1274 	val = phy_read(phydev, MII_BCM54XX_LRECR);
1275 	if (val < 0)
1276 		return val;
1277 
1278 	if ((val & LRECR_LDSEN) == 0) {
1279 		if (val & LRECR_MASTER)
1280 			cfg = MASTER_SLAVE_CFG_MASTER_FORCE;
1281 		else
1282 			cfg = MASTER_SLAVE_CFG_SLAVE_FORCE;
1283 	}
1284 
1285 	val = phy_read(phydev, MII_BCM54XX_LRELDSE);
1286 	if (val < 0)
1287 		return val;
1288 
1289 	if (val & LDSE_MASTER)
1290 		state = MASTER_SLAVE_STATE_MASTER;
1291 	else
1292 		state = MASTER_SLAVE_STATE_SLAVE;
1293 
1294 	phydev->master_slave_get = cfg;
1295 	phydev->master_slave_state = state;
1296 
1297 	return 0;
1298 }
1299 
1300 /* Read LDS Link Partner Ability in BroadR-Reach mode */
lre_read_lpa(struct phy_device * phydev)1301 static int lre_read_lpa(struct phy_device *phydev)
1302 {
1303 	int i, lrelpa;
1304 
1305 	if (phydev->autoneg != AUTONEG_ENABLE) {
1306 		if (!phydev->autoneg_complete) {
1307 			/* aneg not yet done, reset all relevant bits */
1308 			for (i = 0; i < ARRAY_SIZE(lds_br_bits); i++)
1309 				linkmode_clear_bit(lds_br_bits[i],
1310 						   phydev->lp_advertising);
1311 
1312 			return 0;
1313 		}
1314 
1315 		/* Long-Distance Signaling Link Partner Ability */
1316 		lrelpa = phy_read(phydev, MII_BCM54XX_LRELPA);
1317 		if (lrelpa < 0)
1318 			return lrelpa;
1319 
1320 		linkmode_mod_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT,
1321 				 phydev->lp_advertising,
1322 				 lrelpa & LRELPA_PAUSE_ASYM);
1323 		linkmode_mod_bit(ETHTOOL_LINK_MODE_Pause_BIT,
1324 				 phydev->lp_advertising,
1325 				 lrelpa & LRELPA_PAUSE);
1326 		linkmode_mod_bit(ETHTOOL_LINK_MODE_100baseT1_Full_BIT,
1327 				 phydev->lp_advertising,
1328 				 lrelpa & LRELPA_100_1PAIR);
1329 		linkmode_mod_bit(ETHTOOL_LINK_MODE_10baseT1BRR_Full_BIT,
1330 				 phydev->lp_advertising,
1331 				 lrelpa & LRELPA_10_1PAIR);
1332 	} else {
1333 		linkmode_zero(phydev->lp_advertising);
1334 	}
1335 
1336 	return 0;
1337 }
1338 
lre_read_status_fixed(struct phy_device * phydev)1339 static int lre_read_status_fixed(struct phy_device *phydev)
1340 {
1341 	int lrecr = phy_read(phydev, MII_BCM54XX_LRECR);
1342 
1343 	if (lrecr < 0)
1344 		return lrecr;
1345 
1346 	phydev->duplex = DUPLEX_FULL;
1347 
1348 	if (lrecr & LRECR_SPEED100)
1349 		phydev->speed = SPEED_100;
1350 	else
1351 		phydev->speed = SPEED_10;
1352 
1353 	return 0;
1354 }
1355 
1356 /**
1357  * lre_update_link - update link status in @phydev
1358  * @phydev: target phy_device struct
1359  * Return:  0 on success, < 0 on error
1360  *
1361  * Description: Update the value in phydev->link to reflect the
1362  *   current link value.  In order to do this, we need to read
1363  *   the status register twice, keeping the second value.
1364  *   This is a genphy_update_link modified to work on LRE registers
1365  *   of BroadR-Reach PHY
1366  */
lre_update_link(struct phy_device * phydev)1367 static int lre_update_link(struct phy_device *phydev)
1368 {
1369 	int status = 0, lrecr;
1370 
1371 	lrecr = phy_read(phydev, MII_BCM54XX_LRECR);
1372 	if (lrecr < 0)
1373 		return lrecr;
1374 
1375 	/* Autoneg is being started, therefore disregard BMSR value and
1376 	 * report link as down.
1377 	 */
1378 	if (lrecr & BMCR_ANRESTART)
1379 		goto done;
1380 
1381 	/* The link state is latched low so that momentary link
1382 	 * drops can be detected. Do not double-read the status
1383 	 * in polling mode to detect such short link drops except
1384 	 * the link was already down.
1385 	 */
1386 	if (!phy_polling_mode(phydev) || !phydev->link) {
1387 		status = phy_read(phydev, MII_BCM54XX_LRESR);
1388 		if (status < 0)
1389 			return status;
1390 		else if (status & LRESR_LSTATUS)
1391 			goto done;
1392 	}
1393 
1394 	/* Read link and autonegotiation status */
1395 	status = phy_read(phydev, MII_BCM54XX_LRESR);
1396 	if (status < 0)
1397 		return status;
1398 done:
1399 	phydev->link = status & LRESR_LSTATUS ? 1 : 0;
1400 	phydev->autoneg_complete = status & LRESR_LDSCOMPLETE ? 1 : 0;
1401 
1402 	/* Consider the case that autoneg was started and "aneg complete"
1403 	 * bit has been reset, but "link up" bit not yet.
1404 	 */
1405 	if (phydev->autoneg == AUTONEG_ENABLE && !phydev->autoneg_complete)
1406 		phydev->link = 0;
1407 
1408 	return 0;
1409 }
1410 
1411 /* Get the status in BroadRReach mode just like genphy_read_status does
1412 *   in normal mode
1413 */
bcm54811_lre_read_status(struct phy_device * phydev)1414 static int bcm54811_lre_read_status(struct phy_device *phydev)
1415 {
1416 	int err, old_link = phydev->link;
1417 
1418 	/* Update the link, but return if there was an error */
1419 	err = lre_update_link(phydev);
1420 	if (err)
1421 		return err;
1422 
1423 	/* why bother the PHY if nothing can have changed */
1424 	if (phydev->autoneg ==
1425 		AUTONEG_ENABLE && old_link && phydev->link)
1426 		return 0;
1427 
1428 	phydev->speed = SPEED_UNKNOWN;
1429 	phydev->duplex = DUPLEX_UNKNOWN;
1430 	phydev->pause = 0;
1431 	phydev->asym_pause = 0;
1432 
1433 	err = lre_read_master_slave(phydev);
1434 	if (err < 0)
1435 		return err;
1436 
1437 	/* Read LDS Link Partner Ability */
1438 	err = lre_read_lpa(phydev);
1439 	if (err < 0)
1440 		return err;
1441 
1442 	if (phydev->autoneg == AUTONEG_ENABLE && phydev->autoneg_complete)
1443 		phy_resolve_aneg_linkmode(phydev);
1444 	else if (phydev->autoneg == AUTONEG_DISABLE)
1445 		err = lre_read_status_fixed(phydev);
1446 
1447 	return err;
1448 }
1449 
bcm54811_read_status(struct phy_device * phydev)1450 static int bcm54811_read_status(struct phy_device *phydev)
1451 {
1452 	struct bcm54xx_phy_priv *priv = phydev->priv;
1453 
1454 	if (priv->brr_mode)
1455 		return  bcm54811_lre_read_status(phydev);
1456 
1457 	return genphy_read_status(phydev);
1458 }
1459 
bcm54xx_disable_autonomous_eee(struct phy_device * phydev)1460 static int bcm54xx_disable_autonomous_eee(struct phy_device *phydev)
1461 {
1462 	return bcm_phy_modify_exp(phydev, BCM54XX_TOP_MISC_MII_BUF_CNTL0,
1463 				  BCM54XX_MII_BUF_CNTL0_AUTOGREEEN_EN, 0);
1464 }
1465 
1466 static struct phy_driver broadcom_drivers[] = {
1467 {
1468 	PHY_ID_MATCH_MODEL(PHY_ID_BCM5411),
1469 	.name		= "Broadcom BCM5411",
1470 	/* PHY_GBIT_FEATURES */
1471 	.get_sset_count	= bcm_phy_get_sset_count,
1472 	.get_strings	= bcm_phy_get_strings,
1473 	.get_stats	= bcm54xx_get_stats,
1474 	.probe		= bcm54xx_phy_probe,
1475 	.config_init	= bcm54xx_config_init,
1476 	.config_intr	= bcm_phy_config_intr,
1477 	.handle_interrupt = bcm_phy_handle_interrupt,
1478 	.link_change_notify	= bcm54xx_link_change_notify,
1479 }, {
1480 	PHY_ID_MATCH_MODEL(PHY_ID_BCM5421),
1481 	.name		= "Broadcom BCM5421",
1482 	/* PHY_GBIT_FEATURES */
1483 	.get_sset_count	= bcm_phy_get_sset_count,
1484 	.get_strings	= bcm_phy_get_strings,
1485 	.get_stats	= bcm54xx_get_stats,
1486 	.probe		= bcm54xx_phy_probe,
1487 	.config_init	= bcm54xx_config_init,
1488 	.config_intr	= bcm_phy_config_intr,
1489 	.handle_interrupt = bcm_phy_handle_interrupt,
1490 	.link_change_notify	= bcm54xx_link_change_notify,
1491 }, {
1492 	PHY_ID_MATCH_MODEL(PHY_ID_BCM54210E),
1493 	.name		= "Broadcom BCM54210E",
1494 	/* PHY_GBIT_FEATURES */
1495 	.flags		= PHY_ALWAYS_CALL_SUSPEND,
1496 	.get_sset_count	= bcm_phy_get_sset_count,
1497 	.get_strings	= bcm_phy_get_strings,
1498 	.get_stats	= bcm54xx_get_stats,
1499 	.probe		= bcm54xx_phy_probe,
1500 	.config_init	= bcm54xx_config_init,
1501 	.config_intr	= bcm_phy_config_intr,
1502 	.handle_interrupt = bcm_phy_handle_interrupt,
1503 	.link_change_notify	= bcm54xx_link_change_notify,
1504 	.suspend	= bcm54xx_suspend,
1505 	.resume		= bcm54xx_resume,
1506 	.get_wol	= bcm54xx_phy_get_wol,
1507 	.set_wol	= bcm54xx_phy_set_wol,
1508 	.led_brightness_set	= bcm_phy_led_brightness_set,
1509 	.disable_autonomous_eee	= bcm54xx_disable_autonomous_eee,
1510 }, {
1511 	PHY_ID_MATCH_MODEL(PHY_ID_BCM5461),
1512 	.name		= "Broadcom BCM5461",
1513 	/* PHY_GBIT_FEATURES */
1514 	.get_sset_count	= bcm_phy_get_sset_count,
1515 	.get_strings	= bcm_phy_get_strings,
1516 	.get_stats	= bcm54xx_get_stats,
1517 	.probe		= bcm54xx_phy_probe,
1518 	.config_init	= bcm54xx_config_init,
1519 	.config_intr	= bcm_phy_config_intr,
1520 	.handle_interrupt = bcm_phy_handle_interrupt,
1521 	.link_change_notify	= bcm54xx_link_change_notify,
1522 	.led_brightness_set	= bcm_phy_led_brightness_set,
1523 }, {
1524 	PHY_ID_MATCH_MODEL(PHY_ID_BCM54612E),
1525 	.name		= "Broadcom BCM54612E",
1526 	/* PHY_GBIT_FEATURES */
1527 	.get_sset_count	= bcm_phy_get_sset_count,
1528 	.get_strings	= bcm_phy_get_strings,
1529 	.get_stats	= bcm54xx_get_stats,
1530 	.probe		= bcm54xx_phy_probe,
1531 	.config_init	= bcm54xx_config_init,
1532 	.config_intr	= bcm_phy_config_intr,
1533 	.handle_interrupt = bcm_phy_handle_interrupt,
1534 	.link_change_notify	= bcm54xx_link_change_notify,
1535 	.led_brightness_set	= bcm_phy_led_brightness_set,
1536 	.suspend	= bcm54xx_suspend,
1537 	.resume		= bcm54xx_resume,
1538 }, {
1539 	PHY_ID_MATCH_MODEL(PHY_ID_BCM54616S),
1540 	.name		= "Broadcom BCM54616S",
1541 	/* PHY_GBIT_FEATURES */
1542 	.soft_reset     = genphy_soft_reset,
1543 	.config_init	= bcm54xx_config_init,
1544 	.config_aneg	= bcm54616s_config_aneg,
1545 	.config_intr	= bcm_phy_config_intr,
1546 	.handle_interrupt = bcm_phy_handle_interrupt,
1547 	.read_status	= bcm54616s_read_status,
1548 	.probe		= bcm54616s_probe,
1549 	.link_change_notify	= bcm54xx_link_change_notify,
1550 	.led_brightness_set	= bcm_phy_led_brightness_set,
1551 }, {
1552 	PHY_ID_MATCH_MODEL(PHY_ID_BCM5464),
1553 	.name		= "Broadcom BCM5464",
1554 	/* PHY_GBIT_FEATURES */
1555 	.get_sset_count	= bcm_phy_get_sset_count,
1556 	.get_strings	= bcm_phy_get_strings,
1557 	.get_stats	= bcm54xx_get_stats,
1558 	.probe		= bcm54xx_phy_probe,
1559 	.config_init	= bcm54xx_config_init,
1560 	.config_intr	= bcm_phy_config_intr,
1561 	.handle_interrupt = bcm_phy_handle_interrupt,
1562 	.suspend	= genphy_suspend,
1563 	.resume		= genphy_resume,
1564 	.link_change_notify	= bcm54xx_link_change_notify,
1565 	.led_brightness_set	= bcm_phy_led_brightness_set,
1566 }, {
1567 	PHY_ID_MATCH_MODEL(PHY_ID_BCM5481),
1568 	.name		= "Broadcom BCM5481",
1569 	/* PHY_GBIT_FEATURES */
1570 	.get_sset_count	= bcm_phy_get_sset_count,
1571 	.get_strings	= bcm_phy_get_strings,
1572 	.get_stats	= bcm54xx_get_stats,
1573 	.probe		= bcm54xx_phy_probe,
1574 	.config_init	= bcm54xx_config_init,
1575 	.config_aneg	= bcm5481_config_aneg,
1576 	.config_intr	= bcm_phy_config_intr,
1577 	.handle_interrupt = bcm_phy_handle_interrupt,
1578 	.link_change_notify	= bcm54xx_link_change_notify,
1579 	.led_brightness_set	= bcm_phy_led_brightness_set,
1580 }, {
1581 	PHY_ID_MATCH_MODEL(PHY_ID_BCM54810),
1582 	.name           = "Broadcom BCM54810",
1583 	/* PHY_GBIT_FEATURES */
1584 	.get_sset_count	= bcm_phy_get_sset_count,
1585 	.get_strings	= bcm_phy_get_strings,
1586 	.get_stats	= bcm54xx_get_stats,
1587 	.probe		= bcm54xx_phy_probe,
1588 	.read_mmd	= bcm54810_read_mmd,
1589 	.write_mmd	= bcm54810_write_mmd,
1590 	.config_init    = bcm54xx_config_init,
1591 	.config_aneg    = bcm5481_config_aneg,
1592 	.config_intr    = bcm_phy_config_intr,
1593 	.handle_interrupt = bcm_phy_handle_interrupt,
1594 	.suspend	= bcm54xx_suspend,
1595 	.resume		= bcm54xx_resume,
1596 	.link_change_notify	= bcm54xx_link_change_notify,
1597 	.led_brightness_set	= bcm_phy_led_brightness_set,
1598 }, {
1599 	PHY_ID_MATCH_MODEL(PHY_ID_BCM54811),
1600 	.name           = "Broadcom BCM54811",
1601 	/* PHY_GBIT_FEATURES */
1602 	.get_sset_count	= bcm_phy_get_sset_count,
1603 	.get_strings	= bcm_phy_get_strings,
1604 	.get_stats	= bcm54xx_get_stats,
1605 	.probe		= bcm54xx_phy_probe,
1606 	.config_init    = bcm54xx_config_init,
1607 	.config_aneg    = bcm54811_config_aneg,
1608 	.config_intr    = bcm_phy_config_intr,
1609 	.handle_interrupt = bcm_phy_handle_interrupt,
1610 	.read_status	= bcm54811_read_status,
1611 	.get_features	= bcm5481x_read_abilities,
1612 	.suspend	= bcm54xx_suspend,
1613 	.resume		= bcm54xx_resume,
1614 	.link_change_notify	= bcm54xx_link_change_notify,
1615 	.led_brightness_set	= bcm_phy_led_brightness_set,
1616 }, {
1617 	PHY_ID_MATCH_MODEL(PHY_ID_BCM5482),
1618 	.name		= "Broadcom BCM5482",
1619 	/* PHY_GBIT_FEATURES */
1620 	.get_sset_count	= bcm_phy_get_sset_count,
1621 	.get_strings	= bcm_phy_get_strings,
1622 	.get_stats	= bcm54xx_get_stats,
1623 	.probe		= bcm54xx_phy_probe,
1624 	.config_init	= bcm54xx_config_init,
1625 	.config_intr	= bcm_phy_config_intr,
1626 	.handle_interrupt = bcm_phy_handle_interrupt,
1627 	.link_change_notify	= bcm54xx_link_change_notify,
1628 	.led_brightness_set	= bcm_phy_led_brightness_set,
1629 }, {
1630 	PHY_ID_MATCH_MODEL(PHY_ID_BCM50610),
1631 	.name		= "Broadcom BCM50610",
1632 	/* PHY_GBIT_FEATURES */
1633 	.get_sset_count	= bcm_phy_get_sset_count,
1634 	.get_strings	= bcm_phy_get_strings,
1635 	.get_stats	= bcm54xx_get_stats,
1636 	.probe		= bcm54xx_phy_probe,
1637 	.config_init	= bcm54xx_config_init,
1638 	.config_intr	= bcm_phy_config_intr,
1639 	.handle_interrupt = bcm_phy_handle_interrupt,
1640 	.link_change_notify	= bcm54xx_link_change_notify,
1641 	.suspend	= bcm54xx_suspend,
1642 	.resume		= bcm54xx_resume,
1643 	.led_brightness_set	= bcm_phy_led_brightness_set,
1644 }, {
1645 	PHY_ID_MATCH_MODEL(PHY_ID_BCM50610M),
1646 	.name		= "Broadcom BCM50610M",
1647 	/* PHY_GBIT_FEATURES */
1648 	.get_sset_count	= bcm_phy_get_sset_count,
1649 	.get_strings	= bcm_phy_get_strings,
1650 	.get_stats	= bcm54xx_get_stats,
1651 	.probe		= bcm54xx_phy_probe,
1652 	.config_init	= bcm54xx_config_init,
1653 	.config_intr	= bcm_phy_config_intr,
1654 	.handle_interrupt = bcm_phy_handle_interrupt,
1655 	.link_change_notify	= bcm54xx_link_change_notify,
1656 	.suspend	= bcm54xx_suspend,
1657 	.resume		= bcm54xx_resume,
1658 	.led_brightness_set	= bcm_phy_led_brightness_set,
1659 }, {
1660 	PHY_ID_MATCH_MODEL(PHY_ID_BCM57780),
1661 	.name		= "Broadcom BCM57780",
1662 	/* PHY_GBIT_FEATURES */
1663 	.get_sset_count	= bcm_phy_get_sset_count,
1664 	.get_strings	= bcm_phy_get_strings,
1665 	.get_stats	= bcm54xx_get_stats,
1666 	.probe		= bcm54xx_phy_probe,
1667 	.config_init	= bcm54xx_config_init,
1668 	.config_intr	= bcm_phy_config_intr,
1669 	.handle_interrupt = bcm_phy_handle_interrupt,
1670 	.link_change_notify	= bcm54xx_link_change_notify,
1671 	.led_brightness_set	= bcm_phy_led_brightness_set,
1672 }, {
1673 	PHY_ID_MATCH_MODEL(PHY_ID_BCMAC131),
1674 	.name		= "Broadcom BCMAC131",
1675 	/* PHY_BASIC_FEATURES */
1676 	.config_init	= brcm_fet_config_init,
1677 	.config_intr	= brcm_fet_config_intr,
1678 	.handle_interrupt = brcm_fet_handle_interrupt,
1679 	.suspend	= brcm_fet_suspend,
1680 	.resume		= brcm_fet_config_init,
1681 }, {
1682 	PHY_ID_MATCH_MODEL(PHY_ID_BCM5241),
1683 	.name		= "Broadcom BCM5241",
1684 	/* PHY_BASIC_FEATURES */
1685 	.config_init	= brcm_fet_config_init,
1686 	.config_intr	= brcm_fet_config_intr,
1687 	.handle_interrupt = brcm_fet_handle_interrupt,
1688 	.suspend	= brcm_fet_suspend,
1689 	.resume		= brcm_fet_config_init,
1690 }, {
1691 	PHY_ID_MATCH_MODEL(PHY_ID_BCM5221),
1692 	.name		= "Broadcom BCM5221",
1693 	/* PHY_BASIC_FEATURES */
1694 	.config_init	= brcm_fet_config_init,
1695 	.config_intr	= brcm_fet_config_intr,
1696 	.handle_interrupt = brcm_fet_handle_interrupt,
1697 	.suspend	= brcm_fet_suspend,
1698 	.resume		= brcm_fet_config_init,
1699 	.config_aneg	= bcm5221_config_aneg,
1700 	.read_status	= bcm5221_read_status,
1701 }, {
1702 	PHY_ID_MATCH_MODEL(PHY_ID_BCM5395),
1703 	.name		= "Broadcom BCM5395",
1704 	.flags		= PHY_IS_INTERNAL,
1705 	/* PHY_GBIT_FEATURES */
1706 	.get_sset_count	= bcm_phy_get_sset_count,
1707 	.get_strings	= bcm_phy_get_strings,
1708 	.get_stats	= bcm54xx_get_stats,
1709 	.probe		= bcm54xx_phy_probe,
1710 	.link_change_notify	= bcm54xx_link_change_notify,
1711 	.led_brightness_set	= bcm_phy_led_brightness_set,
1712 }, {
1713 	PHY_ID_MATCH_MODEL(PHY_ID_BCM53125),
1714 	.name		= "Broadcom BCM53125",
1715 	.flags		= PHY_IS_INTERNAL,
1716 	/* PHY_GBIT_FEATURES */
1717 	.get_sset_count	= bcm_phy_get_sset_count,
1718 	.get_strings	= bcm_phy_get_strings,
1719 	.get_stats	= bcm54xx_get_stats,
1720 	.probe		= bcm54xx_phy_probe,
1721 	.config_init	= bcm54xx_config_init,
1722 	.config_intr	= bcm_phy_config_intr,
1723 	.handle_interrupt = bcm_phy_handle_interrupt,
1724 	.link_change_notify	= bcm54xx_link_change_notify,
1725 	.led_brightness_set	= bcm_phy_led_brightness_set,
1726 }, {
1727 	PHY_ID_MATCH_MODEL(PHY_ID_BCM53128),
1728 	.name		= "Broadcom BCM53128",
1729 	.flags		= PHY_IS_INTERNAL,
1730 	/* PHY_GBIT_FEATURES */
1731 	.get_sset_count	= bcm_phy_get_sset_count,
1732 	.get_strings	= bcm_phy_get_strings,
1733 	.get_stats	= bcm54xx_get_stats,
1734 	.probe		= bcm54xx_phy_probe,
1735 	.config_init	= bcm54xx_config_init,
1736 	.config_intr	= bcm_phy_config_intr,
1737 	.handle_interrupt = bcm_phy_handle_interrupt,
1738 	.link_change_notify	= bcm54xx_link_change_notify,
1739 	.led_brightness_set	= bcm_phy_led_brightness_set,
1740 }, {
1741 	PHY_ID_MATCH_MODEL(PHY_ID_BCM89610),
1742 	.name           = "Broadcom BCM89610",
1743 	/* PHY_GBIT_FEATURES */
1744 	.get_sset_count	= bcm_phy_get_sset_count,
1745 	.get_strings	= bcm_phy_get_strings,
1746 	.get_stats	= bcm54xx_get_stats,
1747 	.probe		= bcm54xx_phy_probe,
1748 	.config_init    = bcm54xx_config_init,
1749 	.config_intr    = bcm_phy_config_intr,
1750 	.handle_interrupt = bcm_phy_handle_interrupt,
1751 	.link_change_notify	= bcm54xx_link_change_notify,
1752 } };
1753 
1754 module_phy_driver(broadcom_drivers);
1755 
1756 static const struct mdio_device_id __maybe_unused broadcom_tbl[] = {
1757 	{ PHY_ID_MATCH_MODEL(PHY_ID_BCM5411) },
1758 	{ PHY_ID_MATCH_MODEL(PHY_ID_BCM5421) },
1759 	{ PHY_ID_MATCH_MODEL(PHY_ID_BCM54210E) },
1760 	{ PHY_ID_MATCH_MODEL(PHY_ID_BCM5461) },
1761 	{ PHY_ID_MATCH_MODEL(PHY_ID_BCM54612E) },
1762 	{ PHY_ID_MATCH_MODEL(PHY_ID_BCM54616S) },
1763 	{ PHY_ID_MATCH_MODEL(PHY_ID_BCM5464) },
1764 	{ PHY_ID_MATCH_MODEL(PHY_ID_BCM5481) },
1765 	{ PHY_ID_MATCH_MODEL(PHY_ID_BCM54810) },
1766 	{ PHY_ID_MATCH_MODEL(PHY_ID_BCM54811) },
1767 	{ PHY_ID_MATCH_MODEL(PHY_ID_BCM5482) },
1768 	{ PHY_ID_MATCH_MODEL(PHY_ID_BCM50610) },
1769 	{ PHY_ID_MATCH_MODEL(PHY_ID_BCM50610M) },
1770 	{ PHY_ID_MATCH_MODEL(PHY_ID_BCM57780) },
1771 	{ PHY_ID_MATCH_MODEL(PHY_ID_BCMAC131) },
1772 	{ PHY_ID_MATCH_MODEL(PHY_ID_BCM5221) },
1773 	{ PHY_ID_MATCH_MODEL(PHY_ID_BCM5241) },
1774 	{ PHY_ID_MATCH_MODEL(PHY_ID_BCM5395) },
1775 	{ PHY_ID_MATCH_MODEL(PHY_ID_BCM53125) },
1776 	{ PHY_ID_MATCH_MODEL(PHY_ID_BCM53128) },
1777 	{ PHY_ID_MATCH_MODEL(PHY_ID_BCM89610) },
1778 	{ }
1779 };
1780 
1781 MODULE_DEVICE_TABLE(mdio, broadcom_tbl);
1782