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  1/*
  2 * Broadcom BCM7xxx internal transceivers support.
  3 *
  4 * Copyright (C) 2014-2017 Broadcom
  5 *
  6 * This program is free software; you can redistribute it and/or
  7 * modify it under the terms of the GNU General Public License
  8 * as published by the Free Software Foundation; either version
  9 * 2 of the License, or (at your option) any later version.
 10 */
 11
 12#include <linux/module.h>
 13#include <linux/phy.h>
 14#include <linux/delay.h>
 15#include "bcm-phy-lib.h"
 16#include <linux/bitops.h>
 17#include <linux/brcmphy.h>
 18#include <linux/mdio.h>
 19
 20/* Broadcom BCM7xxx internal PHY registers */
 21
 22/* EPHY only register definitions */
 23#define MII_BCM7XXX_100TX_AUX_CTL	0x10
 24#define MII_BCM7XXX_100TX_FALSE_CAR	0x13
 25#define MII_BCM7XXX_100TX_DISC		0x14
 26#define MII_BCM7XXX_AUX_MODE		0x1d
 27#define  MII_BCM7XXX_64CLK_MDIO		BIT(12)
 28#define MII_BCM7XXX_TEST		0x1f
 29#define  MII_BCM7XXX_SHD_MODE_2		BIT(2)
 30#define MII_BCM7XXX_SHD_2_ADDR_CTRL	0xe
 31#define MII_BCM7XXX_SHD_2_CTRL_STAT	0xf
 32#define MII_BCM7XXX_SHD_2_BIAS_TRIM	0x1a
 33#define MII_BCM7XXX_SHD_3_AN_EEE_ADV	0x3
 34#define MII_BCM7XXX_SHD_3_PCS_CTRL_2	0x6
 35#define  MII_BCM7XXX_PCS_CTRL_2_DEF	0x4400
 36#define MII_BCM7XXX_SHD_3_AN_STAT	0xb
 37#define  MII_BCM7XXX_AN_NULL_MSG_EN	BIT(0)
 38#define  MII_BCM7XXX_AN_EEE_EN		BIT(1)
 39#define MII_BCM7XXX_SHD_3_EEE_THRESH	0xe
 40#define  MII_BCM7XXX_EEE_THRESH_DEF	0x50
 41#define MII_BCM7XXX_SHD_3_TL4		0x23
 42#define  MII_BCM7XXX_TL4_RST_MSK	(BIT(2) | BIT(1))
 43
 44/* 28nm only register definitions */
 45#define MISC_ADDR(base, channel)	base, channel
 46
 47#define DSP_TAP10			MISC_ADDR(0x0a, 0)
 48#define PLL_PLLCTRL_1			MISC_ADDR(0x32, 1)
 49#define PLL_PLLCTRL_2			MISC_ADDR(0x32, 2)
 50#define PLL_PLLCTRL_4			MISC_ADDR(0x33, 0)
 51
 52#define AFE_RXCONFIG_0			MISC_ADDR(0x38, 0)
 53#define AFE_RXCONFIG_1			MISC_ADDR(0x38, 1)
 54#define AFE_RXCONFIG_2			MISC_ADDR(0x38, 2)
 55#define AFE_RX_LP_COUNTER		MISC_ADDR(0x38, 3)
 56#define AFE_TX_CONFIG			MISC_ADDR(0x39, 0)
 57#define AFE_VDCA_ICTRL_0		MISC_ADDR(0x39, 1)
 58#define AFE_VDAC_OTHERS_0		MISC_ADDR(0x39, 3)
 59#define AFE_HPF_TRIM_OTHERS		MISC_ADDR(0x3a, 0)
 60
 61struct bcm7xxx_phy_priv {
 62	u64	*stats;
 63};
 64
 65static void r_rc_cal_reset(struct phy_device *phydev)
 66{
 67	/* Reset R_CAL/RC_CAL Engine */
 68	bcm_phy_write_exp_sel(phydev, 0x00b0, 0x0010);
 69
 70	/* Disable Reset R_AL/RC_CAL Engine */
 71	bcm_phy_write_exp_sel(phydev, 0x00b0, 0x0000);
 72}
 73
 74static int bcm7xxx_28nm_b0_afe_config_init(struct phy_device *phydev)
 75{
 76	/* Increase VCO range to prevent unlocking problem of PLL at low
 77	 * temp
 78	 */
 79	bcm_phy_write_misc(phydev, PLL_PLLCTRL_1, 0x0048);
 80
 81	/* Change Ki to 011 */
 82	bcm_phy_write_misc(phydev, PLL_PLLCTRL_2, 0x021b);
 83
 84	/* Disable loading of TVCO buffer to bandgap, set bandgap trim
 85	 * to 111
 86	 */
 87	bcm_phy_write_misc(phydev, PLL_PLLCTRL_4, 0x0e20);
 88
 89	/* Adjust bias current trim by -3 */
 90	bcm_phy_write_misc(phydev, DSP_TAP10, 0x690b);
 91
 92	/* Switch to CORE_BASE1E */
 93	phy_write(phydev, MII_BRCM_CORE_BASE1E, 0xd);
 94
 95	r_rc_cal_reset(phydev);
 96
 97	/* write AFE_RXCONFIG_0 */
 98	bcm_phy_write_misc(phydev, AFE_RXCONFIG_0, 0xeb19);
 99
100	/* write AFE_RXCONFIG_1 */
101	bcm_phy_write_misc(phydev, AFE_RXCONFIG_1, 0x9a3f);
102
103	/* write AFE_RX_LP_COUNTER */
104	bcm_phy_write_misc(phydev, AFE_RX_LP_COUNTER, 0x7fc0);
105
106	/* write AFE_HPF_TRIM_OTHERS */
107	bcm_phy_write_misc(phydev, AFE_HPF_TRIM_OTHERS, 0x000b);
108
109	/* write AFTE_TX_CONFIG */
110	bcm_phy_write_misc(phydev, AFE_TX_CONFIG, 0x0800);
111
112	return 0;
113}
114
115static int bcm7xxx_28nm_d0_afe_config_init(struct phy_device *phydev)
116{
117	/* AFE_RXCONFIG_0 */
118	bcm_phy_write_misc(phydev, AFE_RXCONFIG_0, 0xeb15);
119
120	/* AFE_RXCONFIG_1 */
121	bcm_phy_write_misc(phydev, AFE_RXCONFIG_1, 0x9b2f);
122
123	/* AFE_RXCONFIG_2, set rCal offset for HT=0 code and LT=-2 code */
124	bcm_phy_write_misc(phydev, AFE_RXCONFIG_2, 0x2003);
125
126	/* AFE_RX_LP_COUNTER, set RX bandwidth to maximum */
127	bcm_phy_write_misc(phydev, AFE_RX_LP_COUNTER, 0x7fc0);
128
129	/* AFE_TX_CONFIG, set 100BT Cfeed=011 to improve rise/fall time */
130	bcm_phy_write_misc(phydev, AFE_TX_CONFIG, 0x431);
131
132	/* AFE_VDCA_ICTRL_0, set Iq=1101 instead of 0111 for AB symmetry */
133	bcm_phy_write_misc(phydev, AFE_VDCA_ICTRL_0, 0xa7da);
134
135	/* AFE_VDAC_OTHERS_0, set 1000BT Cidac=010 for all ports */
136	bcm_phy_write_misc(phydev, AFE_VDAC_OTHERS_0, 0xa020);
137
138	/* AFE_HPF_TRIM_OTHERS, set 100Tx/10BT to -4.5% swing and set rCal
139	 * offset for HT=0 code
140	 */
141	bcm_phy_write_misc(phydev, AFE_HPF_TRIM_OTHERS, 0x00e3);
142
143	/* CORE_BASE1E, force trim to overwrite and set I_ext trim to 0000 */
144	phy_write(phydev, MII_BRCM_CORE_BASE1E, 0x0010);
145
146	/* DSP_TAP10, adjust bias current trim (+0% swing, +0 tick) */
147	bcm_phy_write_misc(phydev, DSP_TAP10, 0x011b);
148
149	/* Reset R_CAL/RC_CAL engine */
150	r_rc_cal_reset(phydev);
151
152	return 0;
153}
154
155static int bcm7xxx_28nm_e0_plus_afe_config_init(struct phy_device *phydev)
156{
157	/* AFE_RXCONFIG_1, provide more margin for INL/DNL measurement */
158	bcm_phy_write_misc(phydev, AFE_RXCONFIG_1, 0x9b2f);
159
160	/* AFE_TX_CONFIG, set 100BT Cfeed=011 to improve rise/fall time */
161	bcm_phy_write_misc(phydev, AFE_TX_CONFIG, 0x431);
162
163	/* AFE_VDCA_ICTRL_0, set Iq=1101 instead of 0111 for AB symmetry */
164	bcm_phy_write_misc(phydev, AFE_VDCA_ICTRL_0, 0xa7da);
165
166	/* AFE_HPF_TRIM_OTHERS, set 100Tx/10BT to -4.5% swing and set rCal
167	 * offset for HT=0 code
168	 */
169	bcm_phy_write_misc(phydev, AFE_HPF_TRIM_OTHERS, 0x00e3);
170
171	/* CORE_BASE1E, force trim to overwrite and set I_ext trim to 0000 */
172	phy_write(phydev, MII_BRCM_CORE_BASE1E, 0x0010);
173
174	/* DSP_TAP10, adjust bias current trim (+0% swing, +0 tick) */
175	bcm_phy_write_misc(phydev, DSP_TAP10, 0x011b);
176
177	/* Reset R_CAL/RC_CAL engine */
178	r_rc_cal_reset(phydev);
179
180	return 0;
181}
182
183static int bcm7xxx_28nm_a0_patch_afe_config_init(struct phy_device *phydev)
184{
185	/* +1 RC_CAL codes for RL centering for both LT and HT conditions */
186	bcm_phy_write_misc(phydev, AFE_RXCONFIG_2, 0xd003);
187
188	/* Cut master bias current by 2% to compensate for RC_CAL offset */
189	bcm_phy_write_misc(phydev, DSP_TAP10, 0x791b);
190
191	/* Improve hybrid leakage */
192	bcm_phy_write_misc(phydev, AFE_HPF_TRIM_OTHERS, 0x10e3);
193
194	/* Change rx_on_tune 8 to 0xf */
195	bcm_phy_write_misc(phydev, 0x21, 0x2, 0x87f6);
196
197	/* Change 100Tx EEE bandwidth */
198	bcm_phy_write_misc(phydev, 0x22, 0x2, 0x017d);
199
200	/* Enable ffe zero detection for Vitesse interoperability */
201	bcm_phy_write_misc(phydev, 0x26, 0x2, 0x0015);
202
203	r_rc_cal_reset(phydev);
204
205	return 0;
206}
207
208static int bcm7xxx_28nm_config_init(struct phy_device *phydev)
209{
210	u8 rev = PHY_BRCM_7XXX_REV(phydev->dev_flags);
211	u8 patch = PHY_BRCM_7XXX_PATCH(phydev->dev_flags);
212	u8 count;
213	int ret = 0;
214
215	/* Newer devices have moved the revision information back into a
216	 * standard location in MII_PHYS_ID[23]
217	 */
218	if (rev == 0)
219		rev = phydev->phy_id & ~phydev->drv->phy_id_mask;
220
221	pr_info_once("%s: %s PHY revision: 0x%02x, patch: %d\n",
222		     phydev_name(phydev), phydev->drv->name, rev, patch);
223
224	/* Dummy read to a register to workaround an issue upon reset where the
225	 * internal inverter may not allow the first MDIO transaction to pass
226	 * the MDIO management controller and make us return 0xffff for such
227	 * reads.
228	 */
229	phy_read(phydev, MII_BMSR);
230
231	switch (rev) {
232	case 0xb0:
233		ret = bcm7xxx_28nm_b0_afe_config_init(phydev);
234		break;
235	case 0xd0:
236		ret = bcm7xxx_28nm_d0_afe_config_init(phydev);
237		break;
238	case 0xe0:
239	case 0xf0:
240	/* Rev G0 introduces a roll over */
241	case 0x10:
242		ret = bcm7xxx_28nm_e0_plus_afe_config_init(phydev);
243		break;
244	case 0x01:
245		ret = bcm7xxx_28nm_a0_patch_afe_config_init(phydev);
246		break;
247	default:
248		break;
249	}
250
251	if (ret)
252		return ret;
253
254	ret = bcm_phy_downshift_get(phydev, &count);
255	if (ret)
256		return ret;
257
258	/* Only enable EEE if Wirespeed/downshift is disabled */
259	ret = bcm_phy_set_eee(phydev, count == DOWNSHIFT_DEV_DISABLE);
260	if (ret)
261		return ret;
262
263	return bcm_phy_enable_apd(phydev, true);
264}
265
266static int bcm7xxx_28nm_resume(struct phy_device *phydev)
267{
268	int ret;
269
270	/* Re-apply workarounds coming out suspend/resume */
271	ret = bcm7xxx_28nm_config_init(phydev);
272	if (ret)
273		return ret;
274
275	/* 28nm Gigabit PHYs come out of reset without any half-duplex
276	 * or "hub" compliant advertised mode, fix that. This does not
277	 * cause any problems with the PHY library since genphy_config_aneg()
278	 * gracefully handles auto-negotiated and forced modes.
279	 */
280	return genphy_config_aneg(phydev);
281}
282
283static int phy_set_clr_bits(struct phy_device *dev, int location,
284					int set_mask, int clr_mask)
285{
286	int v, ret;
287
288	v = phy_read(dev, location);
289	if (v < 0)
290		return v;
291
292	v &= ~clr_mask;
293	v |= set_mask;
294
295	ret = phy_write(dev, location, v);
296	if (ret < 0)
297		return ret;
298
299	return v;
300}
301
302static int bcm7xxx_28nm_ephy_01_afe_config_init(struct phy_device *phydev)
303{
304	int ret;
305
306	/* set shadow mode 2 */
307	ret = phy_set_clr_bits(phydev, MII_BCM7XXX_TEST,
308			       MII_BCM7XXX_SHD_MODE_2, 0);
309	if (ret < 0)
310		return ret;
311
312	/* Set current trim values INT_trim = -1, Ext_trim =0 */
313	ret = phy_write(phydev, MII_BCM7XXX_SHD_2_BIAS_TRIM, 0x3BE0);
314	if (ret < 0)
315		goto reset_shadow_mode;
316
317	/* Cal reset */
318	ret = phy_write(phydev, MII_BCM7XXX_SHD_2_ADDR_CTRL,
319			MII_BCM7XXX_SHD_3_TL4);
320	if (ret < 0)
321		goto reset_shadow_mode;
322	ret = phy_set_clr_bits(phydev, MII_BCM7XXX_SHD_2_CTRL_STAT,
323			       MII_BCM7XXX_TL4_RST_MSK, 0);
324	if (ret < 0)
325		goto reset_shadow_mode;
326
327	/* Cal reset disable */
328	ret = phy_write(phydev, MII_BCM7XXX_SHD_2_ADDR_CTRL,
329			MII_BCM7XXX_SHD_3_TL4);
330	if (ret < 0)
331		goto reset_shadow_mode;
332	ret = phy_set_clr_bits(phydev, MII_BCM7XXX_SHD_2_CTRL_STAT,
333			       0, MII_BCM7XXX_TL4_RST_MSK);
334	if (ret < 0)
335		goto reset_shadow_mode;
336
337reset_shadow_mode:
338	/* reset shadow mode 2 */
339	ret = phy_set_clr_bits(phydev, MII_BCM7XXX_TEST, 0,
340			       MII_BCM7XXX_SHD_MODE_2);
341	if (ret < 0)
342		return ret;
343
344	return 0;
345}
346
347/* The 28nm EPHY does not support Clause 45 (MMD) used by bcm-phy-lib */
348static int bcm7xxx_28nm_ephy_apd_enable(struct phy_device *phydev)
349{
350	int ret;
351
352	/* set shadow mode 1 */
353	ret = phy_set_clr_bits(phydev, MII_BRCM_FET_BRCMTEST,
354			       MII_BRCM_FET_BT_SRE, 0);
355	if (ret < 0)
356		return ret;
357
358	/* Enable auto-power down */
359	ret = phy_set_clr_bits(phydev, MII_BRCM_FET_SHDW_AUXSTAT2,
360			       MII_BRCM_FET_SHDW_AS2_APDE, 0);
361	if (ret < 0)
362		return ret;
363
364	/* reset shadow mode 1 */
365	ret = phy_set_clr_bits(phydev, MII_BRCM_FET_BRCMTEST, 0,
366			       MII_BRCM_FET_BT_SRE);
367	if (ret < 0)
368		return ret;
369
370	return 0;
371}
372
373static int bcm7xxx_28nm_ephy_eee_enable(struct phy_device *phydev)
374{
375	int ret;
376
377	/* set shadow mode 2 */
378	ret = phy_set_clr_bits(phydev, MII_BCM7XXX_TEST,
379			       MII_BCM7XXX_SHD_MODE_2, 0);
380	if (ret < 0)
381		return ret;
382
383	/* Advertise supported modes */
384	ret = phy_write(phydev, MII_BCM7XXX_SHD_2_ADDR_CTRL,
385			MII_BCM7XXX_SHD_3_AN_EEE_ADV);
386	if (ret < 0)
387		goto reset_shadow_mode;
388	ret = phy_write(phydev, MII_BCM7XXX_SHD_2_CTRL_STAT,
389			MDIO_EEE_100TX);
390	if (ret < 0)
391		goto reset_shadow_mode;
392
393	/* Restore Defaults */
394	ret = phy_write(phydev, MII_BCM7XXX_SHD_2_ADDR_CTRL,
395			MII_BCM7XXX_SHD_3_PCS_CTRL_2);
396	if (ret < 0)
397		goto reset_shadow_mode;
398	ret = phy_write(phydev, MII_BCM7XXX_SHD_2_CTRL_STAT,
399			MII_BCM7XXX_PCS_CTRL_2_DEF);
400	if (ret < 0)
401		goto reset_shadow_mode;
402
403	ret = phy_write(phydev, MII_BCM7XXX_SHD_2_ADDR_CTRL,
404			MII_BCM7XXX_SHD_3_EEE_THRESH);
405	if (ret < 0)
406		goto reset_shadow_mode;
407	ret = phy_write(phydev, MII_BCM7XXX_SHD_2_CTRL_STAT,
408			MII_BCM7XXX_EEE_THRESH_DEF);
409	if (ret < 0)
410		goto reset_shadow_mode;
411
412	/* Enable EEE autonegotiation */
413	ret = phy_write(phydev, MII_BCM7XXX_SHD_2_ADDR_CTRL,
414			MII_BCM7XXX_SHD_3_AN_STAT);
415	if (ret < 0)
416		goto reset_shadow_mode;
417	ret = phy_write(phydev, MII_BCM7XXX_SHD_2_CTRL_STAT,
418			(MII_BCM7XXX_AN_NULL_MSG_EN | MII_BCM7XXX_AN_EEE_EN));
419	if (ret < 0)
420		goto reset_shadow_mode;
421
422reset_shadow_mode:
423	/* reset shadow mode 2 */
424	ret = phy_set_clr_bits(phydev, MII_BCM7XXX_TEST, 0,
425			       MII_BCM7XXX_SHD_MODE_2);
426	if (ret < 0)
427		return ret;
428
429	/* Restart autoneg */
430	phy_write(phydev, MII_BMCR,
431		  (BMCR_SPEED100 | BMCR_ANENABLE | BMCR_ANRESTART));
432
433	return 0;
434}
435
436static int bcm7xxx_28nm_ephy_config_init(struct phy_device *phydev)
437{
438	u8 rev = phydev->phy_id & ~phydev->drv->phy_id_mask;
439	int ret = 0;
440
441	pr_info_once("%s: %s PHY revision: 0x%02x\n",
442		     phydev_name(phydev), phydev->drv->name, rev);
443
444	/* Dummy read to a register to workaround a possible issue upon reset
445	 * where the internal inverter may not allow the first MDIO transaction
446	 * to pass the MDIO management controller and make us return 0xffff for
447	 * such reads.
448	 */
449	phy_read(phydev, MII_BMSR);
450
451	/* Apply AFE software work-around if necessary */
452	if (rev == 0x01) {
453		ret = bcm7xxx_28nm_ephy_01_afe_config_init(phydev);
454		if (ret)
455			return ret;
456	}
457
458	ret = bcm7xxx_28nm_ephy_eee_enable(phydev);
459	if (ret)
460		return ret;
461
462	return bcm7xxx_28nm_ephy_apd_enable(phydev);
463}
464
465static int bcm7xxx_28nm_ephy_resume(struct phy_device *phydev)
466{
467	int ret;
468
469	/* Re-apply workarounds coming out suspend/resume */
470	ret = bcm7xxx_28nm_ephy_config_init(phydev);
471	if (ret)
472		return ret;
473
474	return genphy_config_aneg(phydev);
475}
476
477static int bcm7xxx_config_init(struct phy_device *phydev)
478{
479	int ret;
480
481	/* Enable 64 clock MDIO */
482	phy_write(phydev, MII_BCM7XXX_AUX_MODE, MII_BCM7XXX_64CLK_MDIO);
483	phy_read(phydev, MII_BCM7XXX_AUX_MODE);
484
485	/* set shadow mode 2 */
486	ret = phy_set_clr_bits(phydev, MII_BCM7XXX_TEST,
487			MII_BCM7XXX_SHD_MODE_2, MII_BCM7XXX_SHD_MODE_2);
488	if (ret < 0)
489		return ret;
490
491	/* set iddq_clkbias */
492	phy_write(phydev, MII_BCM7XXX_100TX_DISC, 0x0F00);
493	udelay(10);
494
495	/* reset iddq_clkbias */
496	phy_write(phydev, MII_BCM7XXX_100TX_DISC, 0x0C00);
497
498	phy_write(phydev, MII_BCM7XXX_100TX_FALSE_CAR, 0x7555);
499
500	/* reset shadow mode 2 */
501	ret = phy_set_clr_bits(phydev, MII_BCM7XXX_TEST, 0, MII_BCM7XXX_SHD_MODE_2);
502	if (ret < 0)
503		return ret;
504
505	return 0;
506}
507
508/* Workaround for putting the PHY in IDDQ mode, required
509 * for all BCM7XXX 40nm and 65nm PHYs
510 */
511static int bcm7xxx_suspend(struct phy_device *phydev)
512{
513	int ret;
514	static const struct bcm7xxx_regs {
515		int reg;
516		u16 value;
517	} bcm7xxx_suspend_cfg[] = {
518		{ MII_BCM7XXX_TEST, 0x008b },
519		{ MII_BCM7XXX_100TX_AUX_CTL, 0x01c0 },
520		{ MII_BCM7XXX_100TX_DISC, 0x7000 },
521		{ MII_BCM7XXX_TEST, 0x000f },
522		{ MII_BCM7XXX_100TX_AUX_CTL, 0x20d0 },
523		{ MII_BCM7XXX_TEST, 0x000b },
524	};
525	unsigned int i;
526
527	for (i = 0; i < ARRAY_SIZE(bcm7xxx_suspend_cfg); i++) {
528		ret = phy_write(phydev,
529				bcm7xxx_suspend_cfg[i].reg,
530				bcm7xxx_suspend_cfg[i].value);
531		if (ret)
532			return ret;
533	}
534
535	return 0;
536}
537
538static int bcm7xxx_28nm_get_tunable(struct phy_device *phydev,
539				    struct ethtool_tunable *tuna,
540				    void *data)
541{
542	switch (tuna->id) {
543	case ETHTOOL_PHY_DOWNSHIFT:
544		return bcm_phy_downshift_get(phydev, (u8 *)data);
545	default:
546		return -EOPNOTSUPP;
547	}
548}
549
550static int bcm7xxx_28nm_set_tunable(struct phy_device *phydev,
551				    struct ethtool_tunable *tuna,
552				    const void *data)
553{
554	u8 count = *(u8 *)data;
555	int ret;
556
557	switch (tuna->id) {
558	case ETHTOOL_PHY_DOWNSHIFT:
559		ret = bcm_phy_downshift_set(phydev, count);
560		break;
561	default:
562		return -EOPNOTSUPP;
563	}
564
565	if (ret)
566		return ret;
567
568	/* Disable EEE advertisement since this prevents the PHY
569	 * from successfully linking up, trigger auto-negotiation restart
570	 * to let the MAC decide what to do.
571	 */
572	ret = bcm_phy_set_eee(phydev, count == DOWNSHIFT_DEV_DISABLE);
573	if (ret)
574		return ret;
575
576	return genphy_restart_aneg(phydev);
577}
578
579static void bcm7xxx_28nm_get_phy_stats(struct phy_device *phydev,
580				       struct ethtool_stats *stats, u64 *data)
581{
582	struct bcm7xxx_phy_priv *priv = phydev->priv;
583
584	bcm_phy_get_stats(phydev, priv->stats, stats, data);
585}
586
587static int bcm7xxx_28nm_probe(struct phy_device *phydev)
588{
589	struct bcm7xxx_phy_priv *priv;
590
591	priv = devm_kzalloc(&phydev->mdio.dev, sizeof(*priv), GFP_KERNEL);
592	if (!priv)
593		return -ENOMEM;
594
595	phydev->priv = priv;
596
597	priv->stats = devm_kcalloc(&phydev->mdio.dev,
598				   bcm_phy_get_sset_count(phydev), sizeof(u64),
599				   GFP_KERNEL);
600	if (!priv->stats)
601		return -ENOMEM;
602
603	return 0;
604}
605
606#define BCM7XXX_28NM_GPHY(_oui, _name)					\
607{									\
608	.phy_id		= (_oui),					\
609	.phy_id_mask	= 0xfffffff0,					\
610	.name		= _name,					\
611	.features	= PHY_GBIT_FEATURES,				\
612	.flags		= PHY_IS_INTERNAL,				\
613	.config_init	= bcm7xxx_28nm_config_init,			\
614	.resume		= bcm7xxx_28nm_resume,				\
615	.get_tunable	= bcm7xxx_28nm_get_tunable,			\
616	.set_tunable	= bcm7xxx_28nm_set_tunable,			\
617	.get_sset_count	= bcm_phy_get_sset_count,			\
618	.get_strings	= bcm_phy_get_strings,				\
619	.get_stats	= bcm7xxx_28nm_get_phy_stats,			\
620	.probe		= bcm7xxx_28nm_probe,				\
621}
622
623#define BCM7XXX_28NM_EPHY(_oui, _name)					\
624{									\
625	.phy_id		= (_oui),					\
626	.phy_id_mask	= 0xfffffff0,					\
627	.name		= _name,					\
628	.features	= PHY_BASIC_FEATURES,				\
629	.flags		= PHY_IS_INTERNAL,				\
630	.config_init	= bcm7xxx_28nm_ephy_config_init,		\
631	.resume		= bcm7xxx_28nm_ephy_resume,			\
632	.get_sset_count	= bcm_phy_get_sset_count,			\
633	.get_strings	= bcm_phy_get_strings,				\
634	.get_stats	= bcm7xxx_28nm_get_phy_stats,			\
635	.probe		= bcm7xxx_28nm_probe,				\
636}
637
638#define BCM7XXX_40NM_EPHY(_oui, _name)					\
639{									\
640	.phy_id         = (_oui),					\
641	.phy_id_mask    = 0xfffffff0,					\
642	.name           = _name,					\
643	.features       = PHY_BASIC_FEATURES,				\
644	.flags          = PHY_IS_INTERNAL,				\
645	.config_init    = bcm7xxx_config_init,				\
646	.suspend        = bcm7xxx_suspend,				\
647	.resume         = bcm7xxx_config_init,				\
648}
649
650static struct phy_driver bcm7xxx_driver[] = {
651	BCM7XXX_28NM_GPHY(PHY_ID_BCM7250, "Broadcom BCM7250"),
652	BCM7XXX_28NM_EPHY(PHY_ID_BCM7260, "Broadcom BCM7260"),
653	BCM7XXX_28NM_EPHY(PHY_ID_BCM7268, "Broadcom BCM7268"),
654	BCM7XXX_28NM_EPHY(PHY_ID_BCM7271, "Broadcom BCM7271"),
655	BCM7XXX_28NM_GPHY(PHY_ID_BCM7278, "Broadcom BCM7278"),
656	BCM7XXX_28NM_GPHY(PHY_ID_BCM7364, "Broadcom BCM7364"),
657	BCM7XXX_28NM_GPHY(PHY_ID_BCM7366, "Broadcom BCM7366"),
658	BCM7XXX_28NM_GPHY(PHY_ID_BCM74371, "Broadcom BCM74371"),
659	BCM7XXX_28NM_GPHY(PHY_ID_BCM7439, "Broadcom BCM7439"),
660	BCM7XXX_28NM_GPHY(PHY_ID_BCM7439_2, "Broadcom BCM7439 (2)"),
661	BCM7XXX_28NM_GPHY(PHY_ID_BCM7445, "Broadcom BCM7445"),
662	BCM7XXX_40NM_EPHY(PHY_ID_BCM7346, "Broadcom BCM7346"),
663	BCM7XXX_40NM_EPHY(PHY_ID_BCM7362, "Broadcom BCM7362"),
664	BCM7XXX_40NM_EPHY(PHY_ID_BCM7425, "Broadcom BCM7425"),
665	BCM7XXX_40NM_EPHY(PHY_ID_BCM7429, "Broadcom BCM7429"),
666	BCM7XXX_40NM_EPHY(PHY_ID_BCM7435, "Broadcom BCM7435"),
667};
668
669static struct mdio_device_id __maybe_unused bcm7xxx_tbl[] = {
670	{ PHY_ID_BCM7250, 0xfffffff0, },
671	{ PHY_ID_BCM7260, 0xfffffff0, },
672	{ PHY_ID_BCM7268, 0xfffffff0, },
673	{ PHY_ID_BCM7271, 0xfffffff0, },
674	{ PHY_ID_BCM7278, 0xfffffff0, },
675	{ PHY_ID_BCM7364, 0xfffffff0, },
676	{ PHY_ID_BCM7366, 0xfffffff0, },
677	{ PHY_ID_BCM7346, 0xfffffff0, },
678	{ PHY_ID_BCM7362, 0xfffffff0, },
679	{ PHY_ID_BCM7425, 0xfffffff0, },
680	{ PHY_ID_BCM7429, 0xfffffff0, },
681	{ PHY_ID_BCM74371, 0xfffffff0, },
682	{ PHY_ID_BCM7439, 0xfffffff0, },
683	{ PHY_ID_BCM7435, 0xfffffff0, },
684	{ PHY_ID_BCM7445, 0xfffffff0, },
685	{ }
686};
687
688module_phy_driver(bcm7xxx_driver);
689
690MODULE_DEVICE_TABLE(mdio, bcm7xxx_tbl);
691
692MODULE_DESCRIPTION("Broadcom BCM7xxx internal PHY driver");
693MODULE_LICENSE("GPL");
694MODULE_AUTHOR("Broadcom Corporation");