xref: /linux/drivers/net/phy/marvell.c (revision 5c167270)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * drivers/net/phy/marvell.c
4  *
5  * Driver for Marvell PHYs
6  *
7  * Author: Andy Fleming
8  *
9  * Copyright (c) 2004 Freescale Semiconductor, Inc.
10  *
11  * Copyright (c) 2013 Michael Stapelberg <michael@stapelberg.de>
12  */
13 #include <linux/kernel.h>
14 #include <linux/string.h>
15 #include <linux/ctype.h>
16 #include <linux/errno.h>
17 #include <linux/unistd.h>
18 #include <linux/hwmon.h>
19 #include <linux/interrupt.h>
20 #include <linux/init.h>
21 #include <linux/delay.h>
22 #include <linux/netdevice.h>
23 #include <linux/etherdevice.h>
24 #include <linux/skbuff.h>
25 #include <linux/spinlock.h>
26 #include <linux/mm.h>
27 #include <linux/module.h>
28 #include <linux/mii.h>
29 #include <linux/ethtool.h>
30 #include <linux/ethtool_netlink.h>
31 #include <linux/phy.h>
32 #include <linux/marvell_phy.h>
33 #include <linux/bitfield.h>
34 #include <linux/of.h>
35 #include <linux/sfp.h>
36 
37 #include <linux/io.h>
38 #include <asm/irq.h>
39 #include <linux/uaccess.h>
40 
41 #define MII_MARVELL_PHY_PAGE		22
42 #define MII_MARVELL_COPPER_PAGE		0x00
43 #define MII_MARVELL_FIBER_PAGE		0x01
44 #define MII_MARVELL_MSCR_PAGE		0x02
45 #define MII_MARVELL_LED_PAGE		0x03
46 #define MII_MARVELL_VCT5_PAGE		0x05
47 #define MII_MARVELL_MISC_TEST_PAGE	0x06
48 #define MII_MARVELL_VCT7_PAGE		0x07
49 #define MII_MARVELL_WOL_PAGE		0x11
50 #define MII_MARVELL_MODE_PAGE		0x12
51 
52 #define MII_M1011_IEVENT		0x13
53 #define MII_M1011_IEVENT_CLEAR		0x0000
54 
55 #define MII_M1011_IMASK			0x12
56 #define MII_M1011_IMASK_INIT		0x6400
57 #define MII_M1011_IMASK_CLEAR		0x0000
58 
59 #define MII_M1011_PHY_SCR			0x10
60 #define MII_M1011_PHY_SCR_DOWNSHIFT_EN		BIT(11)
61 #define MII_M1011_PHY_SCR_DOWNSHIFT_MASK	GENMASK(14, 12)
62 #define MII_M1011_PHY_SCR_DOWNSHIFT_MAX		8
63 #define MII_M1011_PHY_SCR_MDI			(0x0 << 5)
64 #define MII_M1011_PHY_SCR_MDI_X			(0x1 << 5)
65 #define MII_M1011_PHY_SCR_AUTO_CROSS		(0x3 << 5)
66 
67 #define MII_M1011_PHY_SSR			0x11
68 #define MII_M1011_PHY_SSR_DOWNSHIFT		BIT(5)
69 
70 #define MII_M1111_PHY_LED_CONTROL	0x18
71 #define MII_M1111_PHY_LED_DIRECT	0x4100
72 #define MII_M1111_PHY_LED_COMBINE	0x411c
73 #define MII_M1111_PHY_EXT_CR		0x14
74 #define MII_M1111_PHY_EXT_CR_DOWNSHIFT_MASK	GENMASK(11, 9)
75 #define MII_M1111_PHY_EXT_CR_DOWNSHIFT_MAX	8
76 #define MII_M1111_PHY_EXT_CR_DOWNSHIFT_EN	BIT(8)
77 #define MII_M1111_RGMII_RX_DELAY	BIT(7)
78 #define MII_M1111_RGMII_TX_DELAY	BIT(1)
79 #define MII_M1111_PHY_EXT_SR		0x1b
80 
81 #define MII_M1111_HWCFG_MODE_MASK		0xf
82 #define MII_M1111_HWCFG_MODE_FIBER_RGMII	0x3
83 #define MII_M1111_HWCFG_MODE_SGMII_NO_CLK	0x4
84 #define MII_M1111_HWCFG_MODE_RTBI		0x7
85 #define MII_M1111_HWCFG_MODE_COPPER_1000X_AN	0x8
86 #define MII_M1111_HWCFG_MODE_COPPER_RTBI	0x9
87 #define MII_M1111_HWCFG_MODE_COPPER_RGMII	0xb
88 #define MII_M1111_HWCFG_MODE_COPPER_1000X_NOAN	0xc
89 #define MII_M1111_HWCFG_SERIAL_AN_BYPASS	BIT(12)
90 #define MII_M1111_HWCFG_FIBER_COPPER_RES	BIT(13)
91 #define MII_M1111_HWCFG_FIBER_COPPER_AUTO	BIT(15)
92 
93 #define MII_88E1121_PHY_MSCR_REG	21
94 #define MII_88E1121_PHY_MSCR_RX_DELAY	BIT(5)
95 #define MII_88E1121_PHY_MSCR_TX_DELAY	BIT(4)
96 #define MII_88E1121_PHY_MSCR_DELAY_MASK	(BIT(5) | BIT(4))
97 
98 #define MII_88E1121_MISC_TEST				0x1a
99 #define MII_88E1510_MISC_TEST_TEMP_THRESHOLD_MASK	0x1f00
100 #define MII_88E1510_MISC_TEST_TEMP_THRESHOLD_SHIFT	8
101 #define MII_88E1510_MISC_TEST_TEMP_IRQ_EN		BIT(7)
102 #define MII_88E1510_MISC_TEST_TEMP_IRQ			BIT(6)
103 #define MII_88E1121_MISC_TEST_TEMP_SENSOR_EN		BIT(5)
104 #define MII_88E1121_MISC_TEST_TEMP_MASK			0x1f
105 
106 #define MII_88E1510_TEMP_SENSOR		0x1b
107 #define MII_88E1510_TEMP_SENSOR_MASK	0xff
108 
109 #define MII_88E1540_COPPER_CTRL3	0x1a
110 #define MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_MASK	GENMASK(11, 10)
111 #define MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_00MS	0
112 #define MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_10MS	1
113 #define MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_20MS	2
114 #define MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_40MS	3
115 #define MII_88E1540_COPPER_CTRL3_FAST_LINK_DOWN		BIT(9)
116 
117 #define MII_88E6390_MISC_TEST		0x1b
118 #define MII_88E6390_MISC_TEST_TEMP_SENSOR_ENABLE_SAMPLE_1S	(0x0 << 14)
119 #define MII_88E6390_MISC_TEST_TEMP_SENSOR_ENABLE		(0x1 << 14)
120 #define MII_88E6390_MISC_TEST_TEMP_SENSOR_ENABLE_ONESHOT	(0x2 << 14)
121 #define MII_88E6390_MISC_TEST_TEMP_SENSOR_DISABLE		(0x3 << 14)
122 #define MII_88E6390_MISC_TEST_TEMP_SENSOR_MASK			(0x3 << 14)
123 #define MII_88E6393_MISC_TEST_SAMPLES_2048	(0x0 << 11)
124 #define MII_88E6393_MISC_TEST_SAMPLES_4096	(0x1 << 11)
125 #define MII_88E6393_MISC_TEST_SAMPLES_8192	(0x2 << 11)
126 #define MII_88E6393_MISC_TEST_SAMPLES_16384	(0x3 << 11)
127 #define MII_88E6393_MISC_TEST_SAMPLES_MASK	(0x3 << 11)
128 #define MII_88E6393_MISC_TEST_RATE_2_3MS	(0x5 << 8)
129 #define MII_88E6393_MISC_TEST_RATE_6_4MS	(0x6 << 8)
130 #define MII_88E6393_MISC_TEST_RATE_11_9MS	(0x7 << 8)
131 #define MII_88E6393_MISC_TEST_RATE_MASK		(0x7 << 8)
132 
133 #define MII_88E6390_TEMP_SENSOR		0x1c
134 #define MII_88E6393_TEMP_SENSOR_THRESHOLD_MASK	0xff00
135 #define MII_88E6393_TEMP_SENSOR_THRESHOLD_SHIFT	8
136 #define MII_88E6390_TEMP_SENSOR_MASK		0xff
137 #define MII_88E6390_TEMP_SENSOR_SAMPLES		10
138 
139 #define MII_88E1318S_PHY_MSCR1_REG	16
140 #define MII_88E1318S_PHY_MSCR1_PAD_ODD	BIT(6)
141 
142 /* Copper Specific Interrupt Enable Register */
143 #define MII_88E1318S_PHY_CSIER				0x12
144 /* WOL Event Interrupt Enable */
145 #define MII_88E1318S_PHY_CSIER_WOL_EIE			BIT(7)
146 
147 #define MII_88E1318S_PHY_LED_FUNC		0x10
148 #define MII_88E1318S_PHY_LED_FUNC_OFF		(0x8)
149 #define MII_88E1318S_PHY_LED_FUNC_ON		(0x9)
150 #define MII_88E1318S_PHY_LED_FUNC_HI_Z		(0xa)
151 #define MII_88E1318S_PHY_LED_FUNC_BLINK		(0xb)
152 #define MII_88E1318S_PHY_LED_TCR		0x12
153 #define MII_88E1318S_PHY_LED_TCR_FORCE_INT	BIT(15)
154 #define MII_88E1318S_PHY_LED_TCR_INTn_ENABLE	BIT(7)
155 #define MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW	BIT(11)
156 
157 /* Magic Packet MAC address registers */
158 #define MII_88E1318S_PHY_MAGIC_PACKET_WORD2		0x17
159 #define MII_88E1318S_PHY_MAGIC_PACKET_WORD1		0x18
160 #define MII_88E1318S_PHY_MAGIC_PACKET_WORD0		0x19
161 
162 #define MII_88E1318S_PHY_WOL_CTRL				0x10
163 #define MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS		BIT(12)
164 #define MII_88E1318S_PHY_WOL_CTRL_LINK_UP_ENABLE		BIT(13)
165 #define MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE	BIT(14)
166 
167 #define MII_PHY_LED_CTRL	        16
168 #define MII_88E1121_PHY_LED_DEF		0x0030
169 #define MII_88E1510_PHY_LED_DEF		0x1177
170 #define MII_88E1510_PHY_LED0_LINK_LED1_ACTIVE	0x1040
171 
172 #define MII_M1011_PHY_STATUS		0x11
173 #define MII_M1011_PHY_STATUS_1000	0x8000
174 #define MII_M1011_PHY_STATUS_100	0x4000
175 #define MII_M1011_PHY_STATUS_SPD_MASK	0xc000
176 #define MII_M1011_PHY_STATUS_FULLDUPLEX	0x2000
177 #define MII_M1011_PHY_STATUS_RESOLVED	0x0800
178 #define MII_M1011_PHY_STATUS_LINK	0x0400
179 
180 #define MII_88E3016_PHY_SPEC_CTRL	0x10
181 #define MII_88E3016_DISABLE_SCRAMBLER	0x0200
182 #define MII_88E3016_AUTO_MDIX_CROSSOVER	0x0030
183 
184 #define MII_88E1510_GEN_CTRL_REG_1		0x14
185 #define MII_88E1510_GEN_CTRL_REG_1_MODE_MASK	0x7
186 #define MII_88E1510_GEN_CTRL_REG_1_MODE_RGMII	0x0	/* RGMII to copper */
187 #define MII_88E1510_GEN_CTRL_REG_1_MODE_SGMII	0x1	/* SGMII to copper */
188 /* RGMII to 1000BASE-X */
189 #define MII_88E1510_GEN_CTRL_REG_1_MODE_RGMII_1000X	0x2
190 /* RGMII to 100BASE-FX */
191 #define MII_88E1510_GEN_CTRL_REG_1_MODE_RGMII_100FX	0x3
192 /* RGMII to SGMII */
193 #define MII_88E1510_GEN_CTRL_REG_1_MODE_RGMII_SGMII	0x4
194 #define MII_88E1510_GEN_CTRL_REG_1_RESET	0x8000	/* Soft reset */
195 
196 #define MII_88E1510_MSCR_2		0x15
197 
198 #define MII_VCT5_TX_RX_MDI0_COUPLING	0x10
199 #define MII_VCT5_TX_RX_MDI1_COUPLING	0x11
200 #define MII_VCT5_TX_RX_MDI2_COUPLING	0x12
201 #define MII_VCT5_TX_RX_MDI3_COUPLING	0x13
202 #define MII_VCT5_TX_RX_AMPLITUDE_MASK	0x7f00
203 #define MII_VCT5_TX_RX_AMPLITUDE_SHIFT	8
204 #define MII_VCT5_TX_RX_COUPLING_POSITIVE_REFLECTION	BIT(15)
205 
206 #define MII_VCT5_CTRL				0x17
207 #define MII_VCT5_CTRL_ENABLE				BIT(15)
208 #define MII_VCT5_CTRL_COMPLETE				BIT(14)
209 #define MII_VCT5_CTRL_TX_SAME_CHANNEL			(0x0 << 11)
210 #define MII_VCT5_CTRL_TX0_CHANNEL			(0x4 << 11)
211 #define MII_VCT5_CTRL_TX1_CHANNEL			(0x5 << 11)
212 #define MII_VCT5_CTRL_TX2_CHANNEL			(0x6 << 11)
213 #define MII_VCT5_CTRL_TX3_CHANNEL			(0x7 << 11)
214 #define MII_VCT5_CTRL_SAMPLES_2				(0x0 << 8)
215 #define MII_VCT5_CTRL_SAMPLES_4				(0x1 << 8)
216 #define MII_VCT5_CTRL_SAMPLES_8				(0x2 << 8)
217 #define MII_VCT5_CTRL_SAMPLES_16			(0x3 << 8)
218 #define MII_VCT5_CTRL_SAMPLES_32			(0x4 << 8)
219 #define MII_VCT5_CTRL_SAMPLES_64			(0x5 << 8)
220 #define MII_VCT5_CTRL_SAMPLES_128			(0x6 << 8)
221 #define MII_VCT5_CTRL_SAMPLES_DEFAULT			(0x6 << 8)
222 #define MII_VCT5_CTRL_SAMPLES_256			(0x7 << 8)
223 #define MII_VCT5_CTRL_SAMPLES_SHIFT			8
224 #define MII_VCT5_CTRL_MODE_MAXIMUM_PEEK			(0x0 << 6)
225 #define MII_VCT5_CTRL_MODE_FIRST_LAST_PEEK		(0x1 << 6)
226 #define MII_VCT5_CTRL_MODE_OFFSET			(0x2 << 6)
227 #define MII_VCT5_CTRL_SAMPLE_POINT			(0x3 << 6)
228 #define MII_VCT5_CTRL_PEEK_HYST_DEFAULT			3
229 
230 #define MII_VCT5_SAMPLE_POINT_DISTANCE		0x18
231 #define MII_VCT5_SAMPLE_POINT_DISTANCE_MAX	511
232 #define MII_VCT5_TX_PULSE_CTRL			0x1c
233 #define MII_VCT5_TX_PULSE_CTRL_DONT_WAIT_LINK_DOWN	BIT(12)
234 #define MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_128nS	(0x0 << 10)
235 #define MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_96nS		(0x1 << 10)
236 #define MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_64nS		(0x2 << 10)
237 #define MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_32nS		(0x3 << 10)
238 #define MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_SHIFT	10
239 #define MII_VCT5_TX_PULSE_CTRL_PULSE_AMPLITUDE_1000mV	(0x0 << 8)
240 #define MII_VCT5_TX_PULSE_CTRL_PULSE_AMPLITUDE_750mV	(0x1 << 8)
241 #define MII_VCT5_TX_PULSE_CTRL_PULSE_AMPLITUDE_500mV	(0x2 << 8)
242 #define MII_VCT5_TX_PULSE_CTRL_PULSE_AMPLITUDE_250mV	(0x3 << 8)
243 #define MII_VCT5_TX_PULSE_CTRL_PULSE_AMPLITUDE_SHIFT	8
244 #define MII_VCT5_TX_PULSE_CTRL_MAX_AMP			BIT(7)
245 #define MII_VCT5_TX_PULSE_CTRL_GT_140m_46_86mV		(0x6 << 0)
246 
247 /* For TDR measurements less than 11 meters, a short pulse should be
248  * used.
249  */
250 #define TDR_SHORT_CABLE_LENGTH	11
251 
252 #define MII_VCT7_PAIR_0_DISTANCE	0x10
253 #define MII_VCT7_PAIR_1_DISTANCE	0x11
254 #define MII_VCT7_PAIR_2_DISTANCE	0x12
255 #define MII_VCT7_PAIR_3_DISTANCE	0x13
256 
257 #define MII_VCT7_RESULTS	0x14
258 #define MII_VCT7_RESULTS_PAIR3_MASK	0xf000
259 #define MII_VCT7_RESULTS_PAIR2_MASK	0x0f00
260 #define MII_VCT7_RESULTS_PAIR1_MASK	0x00f0
261 #define MII_VCT7_RESULTS_PAIR0_MASK	0x000f
262 #define MII_VCT7_RESULTS_PAIR3_SHIFT	12
263 #define MII_VCT7_RESULTS_PAIR2_SHIFT	8
264 #define MII_VCT7_RESULTS_PAIR1_SHIFT	4
265 #define MII_VCT7_RESULTS_PAIR0_SHIFT	0
266 #define MII_VCT7_RESULTS_INVALID	0
267 #define MII_VCT7_RESULTS_OK		1
268 #define MII_VCT7_RESULTS_OPEN		2
269 #define MII_VCT7_RESULTS_SAME_SHORT	3
270 #define MII_VCT7_RESULTS_CROSS_SHORT	4
271 #define MII_VCT7_RESULTS_BUSY		9
272 
273 #define MII_VCT7_CTRL		0x15
274 #define MII_VCT7_CTRL_RUN_NOW			BIT(15)
275 #define MII_VCT7_CTRL_RUN_ANEG			BIT(14)
276 #define MII_VCT7_CTRL_DISABLE_CROSS		BIT(13)
277 #define MII_VCT7_CTRL_RUN_AFTER_BREAK_LINK	BIT(12)
278 #define MII_VCT7_CTRL_IN_PROGRESS		BIT(11)
279 #define MII_VCT7_CTRL_METERS			BIT(10)
280 #define MII_VCT7_CTRL_CENTIMETERS		0
281 
282 #define MII_VCT_TXPINS			0x1A
283 #define MII_VCT_RXPINS			0x1B
284 #define MII_VCT_SR			0x1C
285 #define MII_VCT_TXPINS_ENVCT		BIT(15)
286 #define MII_VCT_TXRXPINS_VCTTST		GENMASK(14, 13)
287 #define MII_VCT_TXRXPINS_VCTTST_SHIFT	13
288 #define MII_VCT_TXRXPINS_VCTTST_OK	0
289 #define MII_VCT_TXRXPINS_VCTTST_SHORT	1
290 #define MII_VCT_TXRXPINS_VCTTST_OPEN	2
291 #define MII_VCT_TXRXPINS_VCTTST_FAIL	3
292 #define MII_VCT_TXRXPINS_AMPRFLN	GENMASK(12, 8)
293 #define MII_VCT_TXRXPINS_AMPRFLN_SHIFT	8
294 #define MII_VCT_TXRXPINS_DISTRFLN	GENMASK(7, 0)
295 #define MII_VCT_TXRXPINS_DISTRFLN_MAX	0xff
296 
297 #define M88E3082_PAIR_A		BIT(0)
298 #define M88E3082_PAIR_B		BIT(1)
299 
300 #define LPA_PAUSE_FIBER		0x180
301 #define LPA_PAUSE_ASYM_FIBER	0x100
302 
303 #define NB_FIBER_STATS	1
304 #define NB_STAT_MAX	3
305 
306 MODULE_DESCRIPTION("Marvell PHY driver");
307 MODULE_AUTHOR("Andy Fleming");
308 MODULE_LICENSE("GPL");
309 
310 struct marvell_hw_stat {
311 	const char *string;
312 	u8 page;
313 	u8 reg;
314 	u8 bits;
315 };
316 
317 static const struct marvell_hw_stat marvell_hw_stats[] = {
318 	{ "phy_receive_errors_copper", 0, 21, 16},
319 	{ "phy_idle_errors", 0, 10, 8 },
320 	{ "phy_receive_errors_fiber", 1, 21, 16},
321 };
322 
323 static_assert(ARRAY_SIZE(marvell_hw_stats) <= NB_STAT_MAX);
324 
325 /* "simple" stat list + corresponding marvell_get_*_simple functions are used
326  * on PHYs without a page register
327  */
328 struct marvell_hw_stat_simple {
329 	const char *string;
330 	u8 reg;
331 	u8 bits;
332 };
333 
334 static const struct marvell_hw_stat_simple marvell_hw_stats_simple[] = {
335 	{ "phy_receive_errors", 21, 16},
336 };
337 
338 static_assert(ARRAY_SIZE(marvell_hw_stats_simple) <= NB_STAT_MAX);
339 
340 enum {
341 	M88E3082_VCT_OFF,
342 	M88E3082_VCT_PHASE1,
343 	M88E3082_VCT_PHASE2,
344 };
345 
346 struct marvell_priv {
347 	u64 stats[NB_STAT_MAX];
348 	char *hwmon_name;
349 	struct device *hwmon_dev;
350 	bool cable_test_tdr;
351 	u32 first;
352 	u32 last;
353 	u32 step;
354 	s8 pair;
355 	u8 vct_phase;
356 };
357 
marvell_read_page(struct phy_device * phydev)358 static int marvell_read_page(struct phy_device *phydev)
359 {
360 	return __phy_read(phydev, MII_MARVELL_PHY_PAGE);
361 }
362 
marvell_write_page(struct phy_device * phydev,int page)363 static int marvell_write_page(struct phy_device *phydev, int page)
364 {
365 	return __phy_write(phydev, MII_MARVELL_PHY_PAGE, page);
366 }
367 
marvell_set_page(struct phy_device * phydev,int page)368 static int marvell_set_page(struct phy_device *phydev, int page)
369 {
370 	return phy_write(phydev, MII_MARVELL_PHY_PAGE, page);
371 }
372 
marvell_ack_interrupt(struct phy_device * phydev)373 static int marvell_ack_interrupt(struct phy_device *phydev)
374 {
375 	int err;
376 
377 	/* Clear the interrupts by reading the reg */
378 	err = phy_read(phydev, MII_M1011_IEVENT);
379 
380 	if (err < 0)
381 		return err;
382 
383 	return 0;
384 }
385 
marvell_config_intr(struct phy_device * phydev)386 static int marvell_config_intr(struct phy_device *phydev)
387 {
388 	int err;
389 
390 	if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
391 		err = marvell_ack_interrupt(phydev);
392 		if (err)
393 			return err;
394 
395 		err = phy_write(phydev, MII_M1011_IMASK,
396 				MII_M1011_IMASK_INIT);
397 	} else {
398 		err = phy_write(phydev, MII_M1011_IMASK,
399 				MII_M1011_IMASK_CLEAR);
400 		if (err)
401 			return err;
402 
403 		err = marvell_ack_interrupt(phydev);
404 	}
405 
406 	return err;
407 }
408 
marvell_handle_interrupt(struct phy_device * phydev)409 static irqreturn_t marvell_handle_interrupt(struct phy_device *phydev)
410 {
411 	int irq_status;
412 
413 	irq_status = phy_read(phydev, MII_M1011_IEVENT);
414 	if (irq_status < 0) {
415 		phy_error(phydev);
416 		return IRQ_NONE;
417 	}
418 
419 	if (!(irq_status & MII_M1011_IMASK_INIT))
420 		return IRQ_NONE;
421 
422 	phy_trigger_machine(phydev);
423 
424 	return IRQ_HANDLED;
425 }
426 
marvell_set_polarity(struct phy_device * phydev,int polarity)427 static int marvell_set_polarity(struct phy_device *phydev, int polarity)
428 {
429 	u16 val;
430 
431 	switch (polarity) {
432 	case ETH_TP_MDI:
433 		val = MII_M1011_PHY_SCR_MDI;
434 		break;
435 	case ETH_TP_MDI_X:
436 		val = MII_M1011_PHY_SCR_MDI_X;
437 		break;
438 	case ETH_TP_MDI_AUTO:
439 	case ETH_TP_MDI_INVALID:
440 	default:
441 		val = MII_M1011_PHY_SCR_AUTO_CROSS;
442 		break;
443 	}
444 
445 	return phy_modify_changed(phydev, MII_M1011_PHY_SCR,
446 				  MII_M1011_PHY_SCR_AUTO_CROSS, val);
447 }
448 
marvell_config_aneg(struct phy_device * phydev)449 static int marvell_config_aneg(struct phy_device *phydev)
450 {
451 	int changed = 0;
452 	int err;
453 
454 	err = marvell_set_polarity(phydev, phydev->mdix_ctrl);
455 	if (err < 0)
456 		return err;
457 
458 	changed = err;
459 
460 	err = phy_write(phydev, MII_M1111_PHY_LED_CONTROL,
461 			MII_M1111_PHY_LED_DIRECT);
462 	if (err < 0)
463 		return err;
464 
465 	err = genphy_config_aneg(phydev);
466 	if (err < 0)
467 		return err;
468 
469 	if (phydev->autoneg != AUTONEG_ENABLE || changed) {
470 		/* A write to speed/duplex bits (that is performed by
471 		 * genphy_config_aneg() call above) must be followed by
472 		 * a software reset. Otherwise, the write has no effect.
473 		 */
474 		err = genphy_soft_reset(phydev);
475 		if (err < 0)
476 			return err;
477 	}
478 
479 	return 0;
480 }
481 
m88e1101_config_aneg(struct phy_device * phydev)482 static int m88e1101_config_aneg(struct phy_device *phydev)
483 {
484 	int err;
485 
486 	/* This Marvell PHY has an errata which requires
487 	 * that certain registers get written in order
488 	 * to restart autonegotiation
489 	 */
490 	err = genphy_soft_reset(phydev);
491 	if (err < 0)
492 		return err;
493 
494 	err = phy_write(phydev, 0x1d, 0x1f);
495 	if (err < 0)
496 		return err;
497 
498 	err = phy_write(phydev, 0x1e, 0x200c);
499 	if (err < 0)
500 		return err;
501 
502 	err = phy_write(phydev, 0x1d, 0x5);
503 	if (err < 0)
504 		return err;
505 
506 	err = phy_write(phydev, 0x1e, 0);
507 	if (err < 0)
508 		return err;
509 
510 	err = phy_write(phydev, 0x1e, 0x100);
511 	if (err < 0)
512 		return err;
513 
514 	return marvell_config_aneg(phydev);
515 }
516 
517 #if IS_ENABLED(CONFIG_OF_MDIO)
518 /* Set and/or override some configuration registers based on the
519  * marvell,reg-init property stored in the of_node for the phydev.
520  *
521  * marvell,reg-init = <reg-page reg mask value>,...;
522  *
523  * There may be one or more sets of <reg-page reg mask value>:
524  *
525  * reg-page: which register bank to use.
526  * reg: the register.
527  * mask: if non-zero, ANDed with existing register value.
528  * value: ORed with the masked value and written to the regiser.
529  *
530  */
marvell_of_reg_init(struct phy_device * phydev)531 static int marvell_of_reg_init(struct phy_device *phydev)
532 {
533 	const __be32 *paddr;
534 	int len, i, saved_page, current_page, ret = 0;
535 
536 	if (!phydev->mdio.dev.of_node)
537 		return 0;
538 
539 	paddr = of_get_property(phydev->mdio.dev.of_node,
540 				"marvell,reg-init", &len);
541 	if (!paddr || len < (4 * sizeof(*paddr)))
542 		return 0;
543 
544 	saved_page = phy_save_page(phydev);
545 	if (saved_page < 0)
546 		goto err;
547 	current_page = saved_page;
548 
549 	len /= sizeof(*paddr);
550 	for (i = 0; i < len - 3; i += 4) {
551 		u16 page = be32_to_cpup(paddr + i);
552 		u16 reg = be32_to_cpup(paddr + i + 1);
553 		u16 mask = be32_to_cpup(paddr + i + 2);
554 		u16 val_bits = be32_to_cpup(paddr + i + 3);
555 		int val;
556 
557 		if (page != current_page) {
558 			current_page = page;
559 			ret = marvell_write_page(phydev, page);
560 			if (ret < 0)
561 				goto err;
562 		}
563 
564 		val = 0;
565 		if (mask) {
566 			val = __phy_read(phydev, reg);
567 			if (val < 0) {
568 				ret = val;
569 				goto err;
570 			}
571 			val &= mask;
572 		}
573 		val |= val_bits;
574 
575 		ret = __phy_write(phydev, reg, val);
576 		if (ret < 0)
577 			goto err;
578 	}
579 err:
580 	return phy_restore_page(phydev, saved_page, ret);
581 }
582 #else
marvell_of_reg_init(struct phy_device * phydev)583 static int marvell_of_reg_init(struct phy_device *phydev)
584 {
585 	return 0;
586 }
587 #endif /* CONFIG_OF_MDIO */
588 
m88e1121_config_aneg_rgmii_delays(struct phy_device * phydev)589 static int m88e1121_config_aneg_rgmii_delays(struct phy_device *phydev)
590 {
591 	int mscr;
592 
593 	if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
594 		mscr = MII_88E1121_PHY_MSCR_RX_DELAY |
595 		       MII_88E1121_PHY_MSCR_TX_DELAY;
596 	else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID)
597 		mscr = MII_88E1121_PHY_MSCR_RX_DELAY;
598 	else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)
599 		mscr = MII_88E1121_PHY_MSCR_TX_DELAY;
600 	else
601 		mscr = 0;
602 
603 	return phy_modify_paged_changed(phydev, MII_MARVELL_MSCR_PAGE,
604 					MII_88E1121_PHY_MSCR_REG,
605 					MII_88E1121_PHY_MSCR_DELAY_MASK, mscr);
606 }
607 
m88e1121_config_aneg(struct phy_device * phydev)608 static int m88e1121_config_aneg(struct phy_device *phydev)
609 {
610 	int changed = 0;
611 	int err = 0;
612 
613 	if (phy_interface_is_rgmii(phydev)) {
614 		err = m88e1121_config_aneg_rgmii_delays(phydev);
615 		if (err < 0)
616 			return err;
617 	}
618 
619 	changed = err;
620 
621 	err = marvell_set_polarity(phydev, phydev->mdix_ctrl);
622 	if (err < 0)
623 		return err;
624 
625 	changed |= err;
626 
627 	err = genphy_config_aneg(phydev);
628 	if (err < 0)
629 		return err;
630 
631 	if (phydev->autoneg != AUTONEG_ENABLE || changed) {
632 		/* A software reset is used to ensure a "commit" of the
633 		 * changes is done.
634 		 */
635 		err = genphy_soft_reset(phydev);
636 		if (err < 0)
637 			return err;
638 	}
639 
640 	return 0;
641 }
642 
m88e1318_config_aneg(struct phy_device * phydev)643 static int m88e1318_config_aneg(struct phy_device *phydev)
644 {
645 	int err;
646 
647 	err = phy_modify_paged(phydev, MII_MARVELL_MSCR_PAGE,
648 			       MII_88E1318S_PHY_MSCR1_REG,
649 			       0, MII_88E1318S_PHY_MSCR1_PAD_ODD);
650 	if (err < 0)
651 		return err;
652 
653 	return m88e1121_config_aneg(phydev);
654 }
655 
656 /**
657  * linkmode_adv_to_fiber_adv_t
658  * @advertise: the linkmode advertisement settings
659  *
660  * A small helper function that translates linkmode advertisement
661  * settings to phy autonegotiation advertisements for the MII_ADV
662  * register for fiber link.
663  */
linkmode_adv_to_fiber_adv_t(unsigned long * advertise)664 static inline u32 linkmode_adv_to_fiber_adv_t(unsigned long *advertise)
665 {
666 	u32 result = 0;
667 
668 	if (linkmode_test_bit(ETHTOOL_LINK_MODE_1000baseT_Half_BIT, advertise))
669 		result |= ADVERTISE_1000XHALF;
670 	if (linkmode_test_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, advertise))
671 		result |= ADVERTISE_1000XFULL;
672 
673 	if (linkmode_test_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, advertise) &&
674 	    linkmode_test_bit(ETHTOOL_LINK_MODE_Pause_BIT, advertise))
675 		result |= ADVERTISE_1000XPSE_ASYM;
676 	else if (linkmode_test_bit(ETHTOOL_LINK_MODE_Pause_BIT, advertise))
677 		result |= ADVERTISE_1000XPAUSE;
678 
679 	return result;
680 }
681 
682 /**
683  * marvell_config_aneg_fiber - restart auto-negotiation or write BMCR
684  * @phydev: target phy_device struct
685  *
686  * Description: If auto-negotiation is enabled, we configure the
687  *   advertising, and then restart auto-negotiation.  If it is not
688  *   enabled, then we write the BMCR. Adapted for fiber link in
689  *   some Marvell's devices.
690  */
marvell_config_aneg_fiber(struct phy_device * phydev)691 static int marvell_config_aneg_fiber(struct phy_device *phydev)
692 {
693 	int changed = 0;
694 	int err;
695 	u16 adv;
696 
697 	if (phydev->autoneg != AUTONEG_ENABLE)
698 		return genphy_setup_forced(phydev);
699 
700 	/* Only allow advertising what this PHY supports */
701 	linkmode_and(phydev->advertising, phydev->advertising,
702 		     phydev->supported);
703 
704 	adv = linkmode_adv_to_fiber_adv_t(phydev->advertising);
705 
706 	/* Setup fiber advertisement */
707 	err = phy_modify_changed(phydev, MII_ADVERTISE,
708 				 ADVERTISE_1000XHALF | ADVERTISE_1000XFULL |
709 				 ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM,
710 				 adv);
711 	if (err < 0)
712 		return err;
713 	if (err > 0)
714 		changed = 1;
715 
716 	return genphy_check_and_restart_aneg(phydev, changed);
717 }
718 
m88e1111_config_aneg(struct phy_device * phydev)719 static int m88e1111_config_aneg(struct phy_device *phydev)
720 {
721 	int extsr = phy_read(phydev, MII_M1111_PHY_EXT_SR);
722 	int err;
723 
724 	if (extsr < 0)
725 		return extsr;
726 
727 	/* If not using SGMII or copper 1000BaseX modes, use normal process.
728 	 * Steps below are only required for these modes.
729 	 */
730 	if (phydev->interface != PHY_INTERFACE_MODE_SGMII &&
731 	    (extsr & MII_M1111_HWCFG_MODE_MASK) !=
732 	    MII_M1111_HWCFG_MODE_COPPER_1000X_AN)
733 		return marvell_config_aneg(phydev);
734 
735 	err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
736 	if (err < 0)
737 		goto error;
738 
739 	/* Configure the copper link first */
740 	err = marvell_config_aneg(phydev);
741 	if (err < 0)
742 		goto error;
743 
744 	/* Then the fiber link */
745 	err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE);
746 	if (err < 0)
747 		goto error;
748 
749 	if (phydev->interface == PHY_INTERFACE_MODE_SGMII)
750 		/* Do not touch the fiber advertisement if we're in copper->sgmii mode.
751 		 * Just ensure that SGMII-side autonegotiation is enabled.
752 		 * If we switched from some other mode to SGMII it may not be.
753 		 */
754 		err = genphy_check_and_restart_aneg(phydev, false);
755 	else
756 		err = marvell_config_aneg_fiber(phydev);
757 	if (err < 0)
758 		goto error;
759 
760 	return marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
761 
762 error:
763 	marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
764 	return err;
765 }
766 
m88e1510_config_aneg(struct phy_device * phydev)767 static int m88e1510_config_aneg(struct phy_device *phydev)
768 {
769 	int err;
770 
771 	err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
772 	if (err < 0)
773 		goto error;
774 
775 	/* Configure the copper link first */
776 	err = m88e1318_config_aneg(phydev);
777 	if (err < 0)
778 		goto error;
779 
780 	/* Do not touch the fiber page if we're in copper->sgmii mode */
781 	if (phydev->interface == PHY_INTERFACE_MODE_SGMII)
782 		return 0;
783 
784 	/* Then the fiber link */
785 	err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE);
786 	if (err < 0)
787 		goto error;
788 
789 	err = marvell_config_aneg_fiber(phydev);
790 	if (err < 0)
791 		goto error;
792 
793 	return marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
794 
795 error:
796 	marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
797 	return err;
798 }
799 
marvell_config_led(struct phy_device * phydev)800 static void marvell_config_led(struct phy_device *phydev)
801 {
802 	u16 def_config;
803 	int err;
804 
805 	switch (MARVELL_PHY_FAMILY_ID(phydev->phy_id)) {
806 	/* Default PHY LED config: LED[0] .. Link, LED[1] .. Activity */
807 	case MARVELL_PHY_FAMILY_ID(MARVELL_PHY_ID_88E1121R):
808 	case MARVELL_PHY_FAMILY_ID(MARVELL_PHY_ID_88E1318S):
809 		def_config = MII_88E1121_PHY_LED_DEF;
810 		break;
811 	/* Default PHY LED config:
812 	 * LED[0] .. 1000Mbps Link
813 	 * LED[1] .. 100Mbps Link
814 	 * LED[2] .. Blink, Activity
815 	 */
816 	case MARVELL_PHY_FAMILY_ID(MARVELL_PHY_ID_88E1510):
817 		if (phydev->dev_flags & MARVELL_PHY_LED0_LINK_LED1_ACTIVE)
818 			def_config = MII_88E1510_PHY_LED0_LINK_LED1_ACTIVE;
819 		else
820 			def_config = MII_88E1510_PHY_LED_DEF;
821 		break;
822 	default:
823 		return;
824 	}
825 
826 	err = phy_write_paged(phydev, MII_MARVELL_LED_PAGE, MII_PHY_LED_CTRL,
827 			      def_config);
828 	if (err < 0)
829 		phydev_warn(phydev, "Fail to config marvell phy LED.\n");
830 }
831 
marvell_config_init(struct phy_device * phydev)832 static int marvell_config_init(struct phy_device *phydev)
833 {
834 	/* Set default LED */
835 	marvell_config_led(phydev);
836 
837 	/* Set registers from marvell,reg-init DT property */
838 	return marvell_of_reg_init(phydev);
839 }
840 
m88e3016_config_init(struct phy_device * phydev)841 static int m88e3016_config_init(struct phy_device *phydev)
842 {
843 	int ret;
844 
845 	/* Enable Scrambler and Auto-Crossover */
846 	ret = phy_modify(phydev, MII_88E3016_PHY_SPEC_CTRL,
847 			 MII_88E3016_DISABLE_SCRAMBLER,
848 			 MII_88E3016_AUTO_MDIX_CROSSOVER);
849 	if (ret < 0)
850 		return ret;
851 
852 	return marvell_config_init(phydev);
853 }
854 
m88e1111_config_init_hwcfg_mode(struct phy_device * phydev,u16 mode,int fibre_copper_auto)855 static int m88e1111_config_init_hwcfg_mode(struct phy_device *phydev,
856 					   u16 mode,
857 					   int fibre_copper_auto)
858 {
859 	if (fibre_copper_auto)
860 		mode |= MII_M1111_HWCFG_FIBER_COPPER_AUTO;
861 
862 	return phy_modify(phydev, MII_M1111_PHY_EXT_SR,
863 			  MII_M1111_HWCFG_MODE_MASK |
864 			  MII_M1111_HWCFG_FIBER_COPPER_AUTO |
865 			  MII_M1111_HWCFG_FIBER_COPPER_RES,
866 			  mode);
867 }
868 
m88e1111_config_init_rgmii_delays(struct phy_device * phydev)869 static int m88e1111_config_init_rgmii_delays(struct phy_device *phydev)
870 {
871 	int delay;
872 
873 	switch (phydev->interface) {
874 	case PHY_INTERFACE_MODE_RGMII_ID:
875 		delay = MII_M1111_RGMII_RX_DELAY | MII_M1111_RGMII_TX_DELAY;
876 		break;
877 	case PHY_INTERFACE_MODE_RGMII_RXID:
878 		delay = MII_M1111_RGMII_RX_DELAY;
879 		break;
880 	case PHY_INTERFACE_MODE_RGMII_TXID:
881 		delay = MII_M1111_RGMII_TX_DELAY;
882 		break;
883 	default:
884 		delay = 0;
885 		break;
886 	}
887 
888 	return phy_modify(phydev, MII_M1111_PHY_EXT_CR,
889 			  MII_M1111_RGMII_RX_DELAY | MII_M1111_RGMII_TX_DELAY,
890 			  delay);
891 }
892 
m88e1111_config_init_rgmii(struct phy_device * phydev)893 static int m88e1111_config_init_rgmii(struct phy_device *phydev)
894 {
895 	int temp;
896 	int err;
897 
898 	err = m88e1111_config_init_rgmii_delays(phydev);
899 	if (err < 0)
900 		return err;
901 
902 	temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
903 	if (temp < 0)
904 		return temp;
905 
906 	temp &= ~(MII_M1111_HWCFG_MODE_MASK);
907 
908 	if (temp & MII_M1111_HWCFG_FIBER_COPPER_RES)
909 		temp |= MII_M1111_HWCFG_MODE_FIBER_RGMII;
910 	else
911 		temp |= MII_M1111_HWCFG_MODE_COPPER_RGMII;
912 
913 	return phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
914 }
915 
m88e1111_config_init_sgmii(struct phy_device * phydev)916 static int m88e1111_config_init_sgmii(struct phy_device *phydev)
917 {
918 	int err;
919 
920 	err = m88e1111_config_init_hwcfg_mode(
921 		phydev,
922 		MII_M1111_HWCFG_MODE_SGMII_NO_CLK,
923 		MII_M1111_HWCFG_FIBER_COPPER_AUTO);
924 	if (err < 0)
925 		return err;
926 
927 	/* make sure copper is selected */
928 	return marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
929 }
930 
m88e1111_config_init_rtbi(struct phy_device * phydev)931 static int m88e1111_config_init_rtbi(struct phy_device *phydev)
932 {
933 	int err;
934 
935 	err = m88e1111_config_init_rgmii_delays(phydev);
936 	if (err < 0)
937 		return err;
938 
939 	err = m88e1111_config_init_hwcfg_mode(
940 		phydev,
941 		MII_M1111_HWCFG_MODE_RTBI,
942 		MII_M1111_HWCFG_FIBER_COPPER_AUTO);
943 	if (err < 0)
944 		return err;
945 
946 	/* soft reset */
947 	err = genphy_soft_reset(phydev);
948 	if (err < 0)
949 		return err;
950 
951 	return m88e1111_config_init_hwcfg_mode(
952 		phydev,
953 		MII_M1111_HWCFG_MODE_RTBI,
954 		MII_M1111_HWCFG_FIBER_COPPER_AUTO);
955 }
956 
m88e1111_config_init_1000basex(struct phy_device * phydev)957 static int m88e1111_config_init_1000basex(struct phy_device *phydev)
958 {
959 	int extsr = phy_read(phydev, MII_M1111_PHY_EXT_SR);
960 	int err, mode;
961 
962 	if (extsr < 0)
963 		return extsr;
964 
965 	/* If using copper mode, ensure 1000BaseX auto-negotiation is enabled.
966 	 * FIXME: this does not actually enable 1000BaseX auto-negotiation if
967 	 * it was previously disabled in the Fiber BMCR!
968 	 */
969 	mode = extsr & MII_M1111_HWCFG_MODE_MASK;
970 	if (mode == MII_M1111_HWCFG_MODE_COPPER_1000X_NOAN) {
971 		err = phy_modify(phydev, MII_M1111_PHY_EXT_SR,
972 				 MII_M1111_HWCFG_MODE_MASK |
973 				 MII_M1111_HWCFG_SERIAL_AN_BYPASS,
974 				 MII_M1111_HWCFG_MODE_COPPER_1000X_AN |
975 				 MII_M1111_HWCFG_SERIAL_AN_BYPASS);
976 		if (err < 0)
977 			return err;
978 	}
979 	return 0;
980 }
981 
m88e1111_config_init(struct phy_device * phydev)982 static int m88e1111_config_init(struct phy_device *phydev)
983 {
984 	int err;
985 
986 	if (phy_interface_is_rgmii(phydev)) {
987 		err = m88e1111_config_init_rgmii(phydev);
988 		if (err < 0)
989 			return err;
990 	}
991 
992 	if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
993 		err = m88e1111_config_init_sgmii(phydev);
994 		if (err < 0)
995 			return err;
996 	}
997 
998 	if (phydev->interface == PHY_INTERFACE_MODE_RTBI) {
999 		err = m88e1111_config_init_rtbi(phydev);
1000 		if (err < 0)
1001 			return err;
1002 	}
1003 
1004 	if (phydev->interface == PHY_INTERFACE_MODE_1000BASEX) {
1005 		err = m88e1111_config_init_1000basex(phydev);
1006 		if (err < 0)
1007 			return err;
1008 	}
1009 
1010 	err = marvell_of_reg_init(phydev);
1011 	if (err < 0)
1012 		return err;
1013 
1014 	err = genphy_soft_reset(phydev);
1015 	if (err < 0)
1016 		return err;
1017 
1018 	if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
1019 		/* If the HWCFG_MODE was changed from another mode (such as
1020 		 * 1000BaseX) to SGMII, the state of the support bits may have
1021 		 * also changed now that the PHY has been reset.
1022 		 * Update the PHY abilities accordingly.
1023 		 */
1024 		err = genphy_read_abilities(phydev);
1025 		linkmode_or(phydev->advertising, phydev->advertising,
1026 			    phydev->supported);
1027 	}
1028 	return err;
1029 }
1030 
m88e1111_get_downshift(struct phy_device * phydev,u8 * data)1031 static int m88e1111_get_downshift(struct phy_device *phydev, u8 *data)
1032 {
1033 	int val, cnt, enable;
1034 
1035 	val = phy_read(phydev, MII_M1111_PHY_EXT_CR);
1036 	if (val < 0)
1037 		return val;
1038 
1039 	enable = FIELD_GET(MII_M1111_PHY_EXT_CR_DOWNSHIFT_EN, val);
1040 	cnt = FIELD_GET(MII_M1111_PHY_EXT_CR_DOWNSHIFT_MASK, val) + 1;
1041 
1042 	*data = enable ? cnt : DOWNSHIFT_DEV_DISABLE;
1043 
1044 	return 0;
1045 }
1046 
m88e1111_set_downshift(struct phy_device * phydev,u8 cnt)1047 static int m88e1111_set_downshift(struct phy_device *phydev, u8 cnt)
1048 {
1049 	int val, err;
1050 
1051 	if (cnt > MII_M1111_PHY_EXT_CR_DOWNSHIFT_MAX)
1052 		return -E2BIG;
1053 
1054 	if (!cnt) {
1055 		err = phy_clear_bits(phydev, MII_M1111_PHY_EXT_CR,
1056 				     MII_M1111_PHY_EXT_CR_DOWNSHIFT_EN);
1057 	} else {
1058 		val = MII_M1111_PHY_EXT_CR_DOWNSHIFT_EN;
1059 		val |= FIELD_PREP(MII_M1111_PHY_EXT_CR_DOWNSHIFT_MASK, cnt - 1);
1060 
1061 		err = phy_modify(phydev, MII_M1111_PHY_EXT_CR,
1062 				 MII_M1111_PHY_EXT_CR_DOWNSHIFT_EN |
1063 				 MII_M1111_PHY_EXT_CR_DOWNSHIFT_MASK,
1064 				 val);
1065 	}
1066 
1067 	if (err < 0)
1068 		return err;
1069 
1070 	return genphy_soft_reset(phydev);
1071 }
1072 
m88e1111_get_tunable(struct phy_device * phydev,struct ethtool_tunable * tuna,void * data)1073 static int m88e1111_get_tunable(struct phy_device *phydev,
1074 				struct ethtool_tunable *tuna, void *data)
1075 {
1076 	switch (tuna->id) {
1077 	case ETHTOOL_PHY_DOWNSHIFT:
1078 		return m88e1111_get_downshift(phydev, data);
1079 	default:
1080 		return -EOPNOTSUPP;
1081 	}
1082 }
1083 
m88e1111_set_tunable(struct phy_device * phydev,struct ethtool_tunable * tuna,const void * data)1084 static int m88e1111_set_tunable(struct phy_device *phydev,
1085 				struct ethtool_tunable *tuna, const void *data)
1086 {
1087 	switch (tuna->id) {
1088 	case ETHTOOL_PHY_DOWNSHIFT:
1089 		return m88e1111_set_downshift(phydev, *(const u8 *)data);
1090 	default:
1091 		return -EOPNOTSUPP;
1092 	}
1093 }
1094 
m88e1011_get_downshift(struct phy_device * phydev,u8 * data)1095 static int m88e1011_get_downshift(struct phy_device *phydev, u8 *data)
1096 {
1097 	int val, cnt, enable;
1098 
1099 	val = phy_read(phydev, MII_M1011_PHY_SCR);
1100 	if (val < 0)
1101 		return val;
1102 
1103 	enable = FIELD_GET(MII_M1011_PHY_SCR_DOWNSHIFT_EN, val);
1104 	cnt = FIELD_GET(MII_M1011_PHY_SCR_DOWNSHIFT_MASK, val) + 1;
1105 
1106 	*data = enable ? cnt : DOWNSHIFT_DEV_DISABLE;
1107 
1108 	return 0;
1109 }
1110 
m88e1011_set_downshift(struct phy_device * phydev,u8 cnt)1111 static int m88e1011_set_downshift(struct phy_device *phydev, u8 cnt)
1112 {
1113 	int val, err;
1114 
1115 	if (cnt > MII_M1011_PHY_SCR_DOWNSHIFT_MAX)
1116 		return -E2BIG;
1117 
1118 	if (!cnt) {
1119 		err = phy_clear_bits(phydev, MII_M1011_PHY_SCR,
1120 				     MII_M1011_PHY_SCR_DOWNSHIFT_EN);
1121 	} else {
1122 		val = MII_M1011_PHY_SCR_DOWNSHIFT_EN;
1123 		val |= FIELD_PREP(MII_M1011_PHY_SCR_DOWNSHIFT_MASK, cnt - 1);
1124 
1125 		err = phy_modify(phydev, MII_M1011_PHY_SCR,
1126 				 MII_M1011_PHY_SCR_DOWNSHIFT_EN |
1127 				 MII_M1011_PHY_SCR_DOWNSHIFT_MASK,
1128 				 val);
1129 	}
1130 
1131 	if (err < 0)
1132 		return err;
1133 
1134 	return genphy_soft_reset(phydev);
1135 }
1136 
m88e1011_get_tunable(struct phy_device * phydev,struct ethtool_tunable * tuna,void * data)1137 static int m88e1011_get_tunable(struct phy_device *phydev,
1138 				struct ethtool_tunable *tuna, void *data)
1139 {
1140 	switch (tuna->id) {
1141 	case ETHTOOL_PHY_DOWNSHIFT:
1142 		return m88e1011_get_downshift(phydev, data);
1143 	default:
1144 		return -EOPNOTSUPP;
1145 	}
1146 }
1147 
m88e1011_set_tunable(struct phy_device * phydev,struct ethtool_tunable * tuna,const void * data)1148 static int m88e1011_set_tunable(struct phy_device *phydev,
1149 				struct ethtool_tunable *tuna, const void *data)
1150 {
1151 	switch (tuna->id) {
1152 	case ETHTOOL_PHY_DOWNSHIFT:
1153 		return m88e1011_set_downshift(phydev, *(const u8 *)data);
1154 	default:
1155 		return -EOPNOTSUPP;
1156 	}
1157 }
1158 
m88e1112_config_init(struct phy_device * phydev)1159 static int m88e1112_config_init(struct phy_device *phydev)
1160 {
1161 	int err;
1162 
1163 	err = m88e1011_set_downshift(phydev, 3);
1164 	if (err < 0)
1165 		return err;
1166 
1167 	return m88e1111_config_init(phydev);
1168 }
1169 
m88e1111gbe_config_init(struct phy_device * phydev)1170 static int m88e1111gbe_config_init(struct phy_device *phydev)
1171 {
1172 	int err;
1173 
1174 	err = m88e1111_set_downshift(phydev, 3);
1175 	if (err < 0)
1176 		return err;
1177 
1178 	return m88e1111_config_init(phydev);
1179 }
1180 
marvell_1011gbe_config_init(struct phy_device * phydev)1181 static int marvell_1011gbe_config_init(struct phy_device *phydev)
1182 {
1183 	int err;
1184 
1185 	err = m88e1011_set_downshift(phydev, 3);
1186 	if (err < 0)
1187 		return err;
1188 
1189 	return marvell_config_init(phydev);
1190 }
m88e1116r_config_init(struct phy_device * phydev)1191 static int m88e1116r_config_init(struct phy_device *phydev)
1192 {
1193 	int err;
1194 
1195 	err = genphy_soft_reset(phydev);
1196 	if (err < 0)
1197 		return err;
1198 
1199 	msleep(500);
1200 
1201 	err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1202 	if (err < 0)
1203 		return err;
1204 
1205 	err = marvell_set_polarity(phydev, phydev->mdix_ctrl);
1206 	if (err < 0)
1207 		return err;
1208 
1209 	err = m88e1011_set_downshift(phydev, 8);
1210 	if (err < 0)
1211 		return err;
1212 
1213 	if (phy_interface_is_rgmii(phydev)) {
1214 		err = m88e1121_config_aneg_rgmii_delays(phydev);
1215 		if (err < 0)
1216 			return err;
1217 	}
1218 
1219 	err = genphy_soft_reset(phydev);
1220 	if (err < 0)
1221 		return err;
1222 
1223 	return marvell_config_init(phydev);
1224 }
1225 
m88e1318_config_init(struct phy_device * phydev)1226 static int m88e1318_config_init(struct phy_device *phydev)
1227 {
1228 	if (phy_interrupt_is_valid(phydev)) {
1229 		int err = phy_modify_paged(
1230 			phydev, MII_MARVELL_LED_PAGE,
1231 			MII_88E1318S_PHY_LED_TCR,
1232 			MII_88E1318S_PHY_LED_TCR_FORCE_INT,
1233 			MII_88E1318S_PHY_LED_TCR_INTn_ENABLE |
1234 			MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW);
1235 		if (err < 0)
1236 			return err;
1237 	}
1238 
1239 	return marvell_config_init(phydev);
1240 }
1241 
m88e1510_config_init(struct phy_device * phydev)1242 static int m88e1510_config_init(struct phy_device *phydev)
1243 {
1244 	static const struct {
1245 		u16 reg17, reg16;
1246 	} errata_vals[] = {
1247 		{ 0x214b, 0x2144 },
1248 		{ 0x0c28, 0x2146 },
1249 		{ 0xb233, 0x214d },
1250 		{ 0xcc0c, 0x2159 },
1251 	};
1252 	int err;
1253 	int i;
1254 
1255 	/* As per Marvell Release Notes - Alaska 88E1510/88E1518/88E1512/
1256 	 * 88E1514 Rev A0, Errata Section 5.1:
1257 	 * If EEE is intended to be used, the following register writes
1258 	 * must be done once after every hardware reset.
1259 	 */
1260 	err = marvell_set_page(phydev, 0x00FF);
1261 	if (err < 0)
1262 		return err;
1263 
1264 	for (i = 0; i < ARRAY_SIZE(errata_vals); ++i) {
1265 		err = phy_write(phydev, 17, errata_vals[i].reg17);
1266 		if (err)
1267 			return err;
1268 		err = phy_write(phydev, 16, errata_vals[i].reg16);
1269 		if (err)
1270 			return err;
1271 	}
1272 
1273 	err = marvell_set_page(phydev, 0x00FB);
1274 	if (err < 0)
1275 		return err;
1276 	err = phy_write(phydev, 07, 0xC00D);
1277 	if (err < 0)
1278 		return err;
1279 	err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1280 	if (err < 0)
1281 		return err;
1282 
1283 	/* SGMII-to-Copper mode initialization */
1284 	if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
1285 		/* Select page 18 */
1286 		err = marvell_set_page(phydev, 18);
1287 		if (err < 0)
1288 			return err;
1289 
1290 		/* In reg 20, write MODE[2:0] = 0x1 (SGMII to Copper) */
1291 		err = phy_modify(phydev, MII_88E1510_GEN_CTRL_REG_1,
1292 				 MII_88E1510_GEN_CTRL_REG_1_MODE_MASK,
1293 				 MII_88E1510_GEN_CTRL_REG_1_MODE_SGMII);
1294 		if (err < 0)
1295 			return err;
1296 
1297 		/* PHY reset is necessary after changing MODE[2:0] */
1298 		err = phy_set_bits(phydev, MII_88E1510_GEN_CTRL_REG_1,
1299 				   MII_88E1510_GEN_CTRL_REG_1_RESET);
1300 		if (err < 0)
1301 			return err;
1302 
1303 		/* Reset page selection */
1304 		err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1305 		if (err < 0)
1306 			return err;
1307 	}
1308 	err = m88e1011_set_downshift(phydev, 3);
1309 	if (err < 0)
1310 		return err;
1311 
1312 	return m88e1318_config_init(phydev);
1313 }
1314 
m88e1118_config_aneg(struct phy_device * phydev)1315 static int m88e1118_config_aneg(struct phy_device *phydev)
1316 {
1317 	int err;
1318 
1319 	err = marvell_set_polarity(phydev, phydev->mdix_ctrl);
1320 	if (err < 0)
1321 		return err;
1322 
1323 	err = genphy_config_aneg(phydev);
1324 	if (err < 0)
1325 		return err;
1326 
1327 	return genphy_soft_reset(phydev);
1328 }
1329 
m88e1118_config_init(struct phy_device * phydev)1330 static int m88e1118_config_init(struct phy_device *phydev)
1331 {
1332 	u16 leds;
1333 	int err;
1334 
1335 	/* Enable 1000 Mbit */
1336 	err = phy_write_paged(phydev, MII_MARVELL_MSCR_PAGE,
1337 			      MII_88E1121_PHY_MSCR_REG, 0x1070);
1338 	if (err < 0)
1339 		return err;
1340 
1341 	if (phy_interface_is_rgmii(phydev)) {
1342 		err = m88e1121_config_aneg_rgmii_delays(phydev);
1343 		if (err < 0)
1344 			return err;
1345 	}
1346 
1347 	/* Adjust LED Control */
1348 	if (phydev->dev_flags & MARVELL_PHY_M1118_DNS323_LEDS)
1349 		leds = 0x1100;
1350 	else
1351 		leds = 0x021e;
1352 
1353 	err = phy_write_paged(phydev, MII_MARVELL_LED_PAGE, 0x10, leds);
1354 	if (err < 0)
1355 		return err;
1356 
1357 	err = marvell_of_reg_init(phydev);
1358 	if (err < 0)
1359 		return err;
1360 
1361 	/* Reset page register */
1362 	err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1363 	if (err < 0)
1364 		return err;
1365 
1366 	return genphy_soft_reset(phydev);
1367 }
1368 
m88e1149_config_init(struct phy_device * phydev)1369 static int m88e1149_config_init(struct phy_device *phydev)
1370 {
1371 	int err;
1372 
1373 	/* Change address */
1374 	err = marvell_set_page(phydev, MII_MARVELL_MSCR_PAGE);
1375 	if (err < 0)
1376 		return err;
1377 
1378 	/* Enable 1000 Mbit */
1379 	err = phy_write(phydev, 0x15, 0x1048);
1380 	if (err < 0)
1381 		return err;
1382 
1383 	err = marvell_of_reg_init(phydev);
1384 	if (err < 0)
1385 		return err;
1386 
1387 	/* Reset address */
1388 	err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1389 	if (err < 0)
1390 		return err;
1391 
1392 	return genphy_soft_reset(phydev);
1393 }
1394 
m88e1145_config_init_rgmii(struct phy_device * phydev)1395 static int m88e1145_config_init_rgmii(struct phy_device *phydev)
1396 {
1397 	int err;
1398 
1399 	err = m88e1111_config_init_rgmii_delays(phydev);
1400 	if (err < 0)
1401 		return err;
1402 
1403 	if (phydev->dev_flags & MARVELL_PHY_M1145_FLAGS_RESISTANCE) {
1404 		err = phy_write(phydev, 0x1d, 0x0012);
1405 		if (err < 0)
1406 			return err;
1407 
1408 		err = phy_modify(phydev, 0x1e, 0x0fc0,
1409 				 2 << 9 | /* 36 ohm */
1410 				 2 << 6); /* 39 ohm */
1411 		if (err < 0)
1412 			return err;
1413 
1414 		err = phy_write(phydev, 0x1d, 0x3);
1415 		if (err < 0)
1416 			return err;
1417 
1418 		err = phy_write(phydev, 0x1e, 0x8000);
1419 	}
1420 	return err;
1421 }
1422 
m88e1145_config_init_sgmii(struct phy_device * phydev)1423 static int m88e1145_config_init_sgmii(struct phy_device *phydev)
1424 {
1425 	return m88e1111_config_init_hwcfg_mode(
1426 		phydev, MII_M1111_HWCFG_MODE_SGMII_NO_CLK,
1427 		MII_M1111_HWCFG_FIBER_COPPER_AUTO);
1428 }
1429 
m88e1145_config_init(struct phy_device * phydev)1430 static int m88e1145_config_init(struct phy_device *phydev)
1431 {
1432 	int err;
1433 
1434 	/* Take care of errata E0 & E1 */
1435 	err = phy_write(phydev, 0x1d, 0x001b);
1436 	if (err < 0)
1437 		return err;
1438 
1439 	err = phy_write(phydev, 0x1e, 0x418f);
1440 	if (err < 0)
1441 		return err;
1442 
1443 	err = phy_write(phydev, 0x1d, 0x0016);
1444 	if (err < 0)
1445 		return err;
1446 
1447 	err = phy_write(phydev, 0x1e, 0xa2da);
1448 	if (err < 0)
1449 		return err;
1450 
1451 	if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {
1452 		err = m88e1145_config_init_rgmii(phydev);
1453 		if (err < 0)
1454 			return err;
1455 	}
1456 
1457 	if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
1458 		err = m88e1145_config_init_sgmii(phydev);
1459 		if (err < 0)
1460 			return err;
1461 	}
1462 	err = m88e1111_set_downshift(phydev, 3);
1463 	if (err < 0)
1464 		return err;
1465 
1466 	err = marvell_of_reg_init(phydev);
1467 	if (err < 0)
1468 		return err;
1469 
1470 	return 0;
1471 }
1472 
m88e1540_get_fld(struct phy_device * phydev,u8 * msecs)1473 static int m88e1540_get_fld(struct phy_device *phydev, u8 *msecs)
1474 {
1475 	int val;
1476 
1477 	val = phy_read(phydev, MII_88E1540_COPPER_CTRL3);
1478 	if (val < 0)
1479 		return val;
1480 
1481 	if (!(val & MII_88E1540_COPPER_CTRL3_FAST_LINK_DOWN)) {
1482 		*msecs = ETHTOOL_PHY_FAST_LINK_DOWN_OFF;
1483 		return 0;
1484 	}
1485 
1486 	val = FIELD_GET(MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_MASK, val);
1487 
1488 	switch (val) {
1489 	case MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_00MS:
1490 		*msecs = 0;
1491 		break;
1492 	case MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_10MS:
1493 		*msecs = 10;
1494 		break;
1495 	case MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_20MS:
1496 		*msecs = 20;
1497 		break;
1498 	case MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_40MS:
1499 		*msecs = 40;
1500 		break;
1501 	default:
1502 		return -EINVAL;
1503 	}
1504 
1505 	return 0;
1506 }
1507 
m88e1540_set_fld(struct phy_device * phydev,const u8 * msecs)1508 static int m88e1540_set_fld(struct phy_device *phydev, const u8 *msecs)
1509 {
1510 	struct ethtool_keee eee;
1511 	int val, ret;
1512 
1513 	if (*msecs == ETHTOOL_PHY_FAST_LINK_DOWN_OFF)
1514 		return phy_clear_bits(phydev, MII_88E1540_COPPER_CTRL3,
1515 				      MII_88E1540_COPPER_CTRL3_FAST_LINK_DOWN);
1516 
1517 	/* According to the Marvell data sheet EEE must be disabled for
1518 	 * Fast Link Down detection to work properly
1519 	 */
1520 	ret = genphy_c45_ethtool_get_eee(phydev, &eee);
1521 	if (!ret && eee.eee_enabled) {
1522 		phydev_warn(phydev, "Fast Link Down detection requires EEE to be disabled!\n");
1523 		return -EBUSY;
1524 	}
1525 
1526 	if (*msecs <= 5)
1527 		val = MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_00MS;
1528 	else if (*msecs <= 15)
1529 		val = MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_10MS;
1530 	else if (*msecs <= 30)
1531 		val = MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_20MS;
1532 	else
1533 		val = MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_40MS;
1534 
1535 	val = FIELD_PREP(MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_MASK, val);
1536 
1537 	ret = phy_modify(phydev, MII_88E1540_COPPER_CTRL3,
1538 			 MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_MASK, val);
1539 	if (ret)
1540 		return ret;
1541 
1542 	return phy_set_bits(phydev, MII_88E1540_COPPER_CTRL3,
1543 			    MII_88E1540_COPPER_CTRL3_FAST_LINK_DOWN);
1544 }
1545 
m88e1540_get_tunable(struct phy_device * phydev,struct ethtool_tunable * tuna,void * data)1546 static int m88e1540_get_tunable(struct phy_device *phydev,
1547 				struct ethtool_tunable *tuna, void *data)
1548 {
1549 	switch (tuna->id) {
1550 	case ETHTOOL_PHY_FAST_LINK_DOWN:
1551 		return m88e1540_get_fld(phydev, data);
1552 	case ETHTOOL_PHY_DOWNSHIFT:
1553 		return m88e1011_get_downshift(phydev, data);
1554 	default:
1555 		return -EOPNOTSUPP;
1556 	}
1557 }
1558 
m88e1540_set_tunable(struct phy_device * phydev,struct ethtool_tunable * tuna,const void * data)1559 static int m88e1540_set_tunable(struct phy_device *phydev,
1560 				struct ethtool_tunable *tuna, const void *data)
1561 {
1562 	switch (tuna->id) {
1563 	case ETHTOOL_PHY_FAST_LINK_DOWN:
1564 		return m88e1540_set_fld(phydev, data);
1565 	case ETHTOOL_PHY_DOWNSHIFT:
1566 		return m88e1011_set_downshift(phydev, *(const u8 *)data);
1567 	default:
1568 		return -EOPNOTSUPP;
1569 	}
1570 }
1571 
1572 /* The VOD can be out of specification on link up. Poke an
1573  * undocumented register, in an undocumented page, with a magic value
1574  * to fix this.
1575  */
m88e6390_errata(struct phy_device * phydev)1576 static int m88e6390_errata(struct phy_device *phydev)
1577 {
1578 	int err;
1579 
1580 	err = phy_write(phydev, MII_BMCR,
1581 			BMCR_ANENABLE | BMCR_SPEED1000 | BMCR_FULLDPLX);
1582 	if (err)
1583 		return err;
1584 
1585 	usleep_range(300, 400);
1586 
1587 	err = phy_write_paged(phydev, 0xf8, 0x08, 0x36);
1588 	if (err)
1589 		return err;
1590 
1591 	return genphy_soft_reset(phydev);
1592 }
1593 
m88e6390_config_aneg(struct phy_device * phydev)1594 static int m88e6390_config_aneg(struct phy_device *phydev)
1595 {
1596 	int err;
1597 
1598 	err = m88e6390_errata(phydev);
1599 	if (err)
1600 		return err;
1601 
1602 	return m88e1510_config_aneg(phydev);
1603 }
1604 
1605 /**
1606  * fiber_lpa_mod_linkmode_lpa_t
1607  * @advertising: the linkmode advertisement settings
1608  * @lpa: value of the MII_LPA register for fiber link
1609  *
1610  * A small helper function that translates MII_LPA bits to linkmode LP
1611  * advertisement settings. Other bits in advertising are left
1612  * unchanged.
1613  */
fiber_lpa_mod_linkmode_lpa_t(unsigned long * advertising,u32 lpa)1614 static void fiber_lpa_mod_linkmode_lpa_t(unsigned long *advertising, u32 lpa)
1615 {
1616 	linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseT_Half_BIT,
1617 			 advertising, lpa & LPA_1000XHALF);
1618 
1619 	linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
1620 			 advertising, lpa & LPA_1000XFULL);
1621 }
1622 
marvell_read_status_page_an(struct phy_device * phydev,int fiber,int status)1623 static int marvell_read_status_page_an(struct phy_device *phydev,
1624 				       int fiber, int status)
1625 {
1626 	int lpa;
1627 	int err;
1628 
1629 	if (!(status & MII_M1011_PHY_STATUS_RESOLVED)) {
1630 		phydev->link = 0;
1631 		return 0;
1632 	}
1633 
1634 	if (status & MII_M1011_PHY_STATUS_FULLDUPLEX)
1635 		phydev->duplex = DUPLEX_FULL;
1636 	else
1637 		phydev->duplex = DUPLEX_HALF;
1638 
1639 	switch (status & MII_M1011_PHY_STATUS_SPD_MASK) {
1640 	case MII_M1011_PHY_STATUS_1000:
1641 		phydev->speed = SPEED_1000;
1642 		break;
1643 
1644 	case MII_M1011_PHY_STATUS_100:
1645 		phydev->speed = SPEED_100;
1646 		break;
1647 
1648 	default:
1649 		phydev->speed = SPEED_10;
1650 		break;
1651 	}
1652 
1653 	if (!fiber) {
1654 		err = genphy_read_lpa(phydev);
1655 		if (err < 0)
1656 			return err;
1657 
1658 		phy_resolve_aneg_pause(phydev);
1659 	} else {
1660 		lpa = phy_read(phydev, MII_LPA);
1661 		if (lpa < 0)
1662 			return lpa;
1663 
1664 		/* The fiber link is only 1000M capable */
1665 		fiber_lpa_mod_linkmode_lpa_t(phydev->lp_advertising, lpa);
1666 
1667 		if (phydev->duplex == DUPLEX_FULL) {
1668 			if (!(lpa & LPA_PAUSE_FIBER)) {
1669 				phydev->pause = 0;
1670 				phydev->asym_pause = 0;
1671 			} else if ((lpa & LPA_PAUSE_ASYM_FIBER)) {
1672 				phydev->pause = 1;
1673 				phydev->asym_pause = 1;
1674 			} else {
1675 				phydev->pause = 1;
1676 				phydev->asym_pause = 0;
1677 			}
1678 		}
1679 	}
1680 
1681 	return 0;
1682 }
1683 
1684 /* marvell_read_status_page
1685  *
1686  * Description:
1687  *   Check the link, then figure out the current state
1688  *   by comparing what we advertise with what the link partner
1689  *   advertises.  Start by checking the gigabit possibilities,
1690  *   then move on to 10/100.
1691  */
marvell_read_status_page(struct phy_device * phydev,int page)1692 static int marvell_read_status_page(struct phy_device *phydev, int page)
1693 {
1694 	int status;
1695 	int fiber;
1696 	int err;
1697 
1698 	status = phy_read(phydev, MII_M1011_PHY_STATUS);
1699 	if (status < 0)
1700 		return status;
1701 
1702 	/* Use the generic register for copper link status,
1703 	 * and the PHY status register for fiber link status.
1704 	 */
1705 	if (page == MII_MARVELL_FIBER_PAGE) {
1706 		phydev->link = !!(status & MII_M1011_PHY_STATUS_LINK);
1707 	} else {
1708 		err = genphy_update_link(phydev);
1709 		if (err)
1710 			return err;
1711 	}
1712 
1713 	if (page == MII_MARVELL_FIBER_PAGE)
1714 		fiber = 1;
1715 	else
1716 		fiber = 0;
1717 
1718 	linkmode_zero(phydev->lp_advertising);
1719 	phydev->pause = 0;
1720 	phydev->asym_pause = 0;
1721 	phydev->speed = SPEED_UNKNOWN;
1722 	phydev->duplex = DUPLEX_UNKNOWN;
1723 	phydev->port = fiber ? PORT_FIBRE : PORT_TP;
1724 
1725 	if (phydev->autoneg == AUTONEG_ENABLE)
1726 		err = marvell_read_status_page_an(phydev, fiber, status);
1727 	else
1728 		err = genphy_read_status_fixed(phydev);
1729 
1730 	return err;
1731 }
1732 
1733 /* marvell_read_status
1734  *
1735  * Some Marvell's phys have two modes: fiber and copper.
1736  * Both need status checked.
1737  * Description:
1738  *   First, check the fiber link and status.
1739  *   If the fiber link is down, check the copper link and status which
1740  *   will be the default value if both link are down.
1741  */
marvell_read_status(struct phy_device * phydev)1742 static int marvell_read_status(struct phy_device *phydev)
1743 {
1744 	int err;
1745 
1746 	/* Check the fiber mode first */
1747 	if (linkmode_test_bit(ETHTOOL_LINK_MODE_FIBRE_BIT,
1748 			      phydev->supported) &&
1749 	    phydev->interface != PHY_INTERFACE_MODE_SGMII) {
1750 		err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE);
1751 		if (err < 0)
1752 			goto error;
1753 
1754 		err = marvell_read_status_page(phydev, MII_MARVELL_FIBER_PAGE);
1755 		if (err < 0)
1756 			goto error;
1757 
1758 		/* If the fiber link is up, it is the selected and
1759 		 * used link. In this case, we need to stay in the
1760 		 * fiber page. Please to be careful about that, avoid
1761 		 * to restore Copper page in other functions which
1762 		 * could break the behaviour for some fiber phy like
1763 		 * 88E1512.
1764 		 */
1765 		if (phydev->link)
1766 			return 0;
1767 
1768 		/* If fiber link is down, check and save copper mode state */
1769 		err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1770 		if (err < 0)
1771 			goto error;
1772 	}
1773 
1774 	return marvell_read_status_page(phydev, MII_MARVELL_COPPER_PAGE);
1775 
1776 error:
1777 	marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1778 	return err;
1779 }
1780 
1781 /* marvell_suspend
1782  *
1783  * Some Marvell's phys have two modes: fiber and copper.
1784  * Both need to be suspended
1785  */
marvell_suspend(struct phy_device * phydev)1786 static int marvell_suspend(struct phy_device *phydev)
1787 {
1788 	int err;
1789 
1790 	/* Suspend the fiber mode first */
1791 	if (linkmode_test_bit(ETHTOOL_LINK_MODE_FIBRE_BIT,
1792 			      phydev->supported)) {
1793 		err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE);
1794 		if (err < 0)
1795 			goto error;
1796 
1797 		/* With the page set, use the generic suspend */
1798 		err = genphy_suspend(phydev);
1799 		if (err < 0)
1800 			goto error;
1801 
1802 		/* Then, the copper link */
1803 		err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1804 		if (err < 0)
1805 			goto error;
1806 	}
1807 
1808 	/* With the page set, use the generic suspend */
1809 	return genphy_suspend(phydev);
1810 
1811 error:
1812 	marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1813 	return err;
1814 }
1815 
1816 /* marvell_resume
1817  *
1818  * Some Marvell's phys have two modes: fiber and copper.
1819  * Both need to be resumed
1820  */
marvell_resume(struct phy_device * phydev)1821 static int marvell_resume(struct phy_device *phydev)
1822 {
1823 	int err;
1824 
1825 	/* Resume the fiber mode first */
1826 	if (linkmode_test_bit(ETHTOOL_LINK_MODE_FIBRE_BIT,
1827 			      phydev->supported)) {
1828 		err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE);
1829 		if (err < 0)
1830 			goto error;
1831 
1832 		/* With the page set, use the generic resume */
1833 		err = genphy_resume(phydev);
1834 		if (err < 0)
1835 			goto error;
1836 
1837 		/* Then, the copper link */
1838 		err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1839 		if (err < 0)
1840 			goto error;
1841 	}
1842 
1843 	/* With the page set, use the generic resume */
1844 	return genphy_resume(phydev);
1845 
1846 error:
1847 	marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1848 	return err;
1849 }
1850 
marvell_aneg_done(struct phy_device * phydev)1851 static int marvell_aneg_done(struct phy_device *phydev)
1852 {
1853 	int retval = phy_read(phydev, MII_M1011_PHY_STATUS);
1854 
1855 	return (retval < 0) ? retval : (retval & MII_M1011_PHY_STATUS_RESOLVED);
1856 }
1857 
m88e1318_get_wol(struct phy_device * phydev,struct ethtool_wolinfo * wol)1858 static void m88e1318_get_wol(struct phy_device *phydev,
1859 			     struct ethtool_wolinfo *wol)
1860 {
1861 	int ret;
1862 
1863 	wol->supported = WAKE_MAGIC | WAKE_PHY;
1864 	wol->wolopts = 0;
1865 
1866 	ret = phy_read_paged(phydev, MII_MARVELL_WOL_PAGE,
1867 			     MII_88E1318S_PHY_WOL_CTRL);
1868 	if (ret < 0)
1869 		return;
1870 
1871 	if (ret & MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE)
1872 		wol->wolopts |= WAKE_MAGIC;
1873 
1874 	if (ret & MII_88E1318S_PHY_WOL_CTRL_LINK_UP_ENABLE)
1875 		wol->wolopts |= WAKE_PHY;
1876 }
1877 
m88e1318_set_wol(struct phy_device * phydev,struct ethtool_wolinfo * wol)1878 static int m88e1318_set_wol(struct phy_device *phydev,
1879 			    struct ethtool_wolinfo *wol)
1880 {
1881 	int err = 0, oldpage;
1882 
1883 	oldpage = phy_save_page(phydev);
1884 	if (oldpage < 0)
1885 		goto error;
1886 
1887 	if (wol->wolopts & (WAKE_MAGIC | WAKE_PHY)) {
1888 		/* Explicitly switch to page 0x00, just to be sure */
1889 		err = marvell_write_page(phydev, MII_MARVELL_COPPER_PAGE);
1890 		if (err < 0)
1891 			goto error;
1892 
1893 		/* If WOL event happened once, the LED[2] interrupt pin
1894 		 * will not be cleared unless we reading the interrupt status
1895 		 * register. If interrupts are in use, the normal interrupt
1896 		 * handling will clear the WOL event. Clear the WOL event
1897 		 * before enabling it if !phy_interrupt_is_valid()
1898 		 */
1899 		if (!phy_interrupt_is_valid(phydev))
1900 			__phy_read(phydev, MII_M1011_IEVENT);
1901 
1902 		/* Enable the WOL interrupt */
1903 		err = __phy_set_bits(phydev, MII_88E1318S_PHY_CSIER,
1904 				     MII_88E1318S_PHY_CSIER_WOL_EIE);
1905 		if (err < 0)
1906 			goto error;
1907 
1908 		err = marvell_write_page(phydev, MII_MARVELL_LED_PAGE);
1909 		if (err < 0)
1910 			goto error;
1911 
1912 		/* Setup LED[2] as interrupt pin (active low) */
1913 		err = __phy_modify(phydev, MII_88E1318S_PHY_LED_TCR,
1914 				   MII_88E1318S_PHY_LED_TCR_FORCE_INT,
1915 				   MII_88E1318S_PHY_LED_TCR_INTn_ENABLE |
1916 				   MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW);
1917 		if (err < 0)
1918 			goto error;
1919 	}
1920 
1921 	if (wol->wolopts & WAKE_MAGIC) {
1922 		err = marvell_write_page(phydev, MII_MARVELL_WOL_PAGE);
1923 		if (err < 0)
1924 			goto error;
1925 
1926 		/* Store the device address for the magic packet */
1927 		err = __phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD2,
1928 				((phydev->attached_dev->dev_addr[5] << 8) |
1929 				 phydev->attached_dev->dev_addr[4]));
1930 		if (err < 0)
1931 			goto error;
1932 		err = __phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD1,
1933 				((phydev->attached_dev->dev_addr[3] << 8) |
1934 				 phydev->attached_dev->dev_addr[2]));
1935 		if (err < 0)
1936 			goto error;
1937 		err = __phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD0,
1938 				((phydev->attached_dev->dev_addr[1] << 8) |
1939 				 phydev->attached_dev->dev_addr[0]));
1940 		if (err < 0)
1941 			goto error;
1942 
1943 		/* Clear WOL status and enable magic packet matching */
1944 		err = __phy_set_bits(phydev, MII_88E1318S_PHY_WOL_CTRL,
1945 				     MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS |
1946 				     MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE);
1947 		if (err < 0)
1948 			goto error;
1949 	} else {
1950 		err = marvell_write_page(phydev, MII_MARVELL_WOL_PAGE);
1951 		if (err < 0)
1952 			goto error;
1953 
1954 		/* Clear WOL status and disable magic packet matching */
1955 		err = __phy_modify(phydev, MII_88E1318S_PHY_WOL_CTRL,
1956 				   MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE,
1957 				   MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS);
1958 		if (err < 0)
1959 			goto error;
1960 	}
1961 
1962 	if (wol->wolopts & WAKE_PHY) {
1963 		err = marvell_write_page(phydev, MII_MARVELL_WOL_PAGE);
1964 		if (err < 0)
1965 			goto error;
1966 
1967 		/* Clear WOL status and enable link up event */
1968 		err = __phy_modify(phydev, MII_88E1318S_PHY_WOL_CTRL, 0,
1969 				   MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS |
1970 				   MII_88E1318S_PHY_WOL_CTRL_LINK_UP_ENABLE);
1971 		if (err < 0)
1972 			goto error;
1973 	} else {
1974 		err = marvell_write_page(phydev, MII_MARVELL_WOL_PAGE);
1975 		if (err < 0)
1976 			goto error;
1977 
1978 		/* Clear WOL status and disable link up event */
1979 		err = __phy_modify(phydev, MII_88E1318S_PHY_WOL_CTRL,
1980 				   MII_88E1318S_PHY_WOL_CTRL_LINK_UP_ENABLE,
1981 				   MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS);
1982 		if (err < 0)
1983 			goto error;
1984 	}
1985 
1986 error:
1987 	return phy_restore_page(phydev, oldpage, err);
1988 }
1989 
marvell_get_sset_count(struct phy_device * phydev)1990 static int marvell_get_sset_count(struct phy_device *phydev)
1991 {
1992 	if (linkmode_test_bit(ETHTOOL_LINK_MODE_FIBRE_BIT,
1993 			      phydev->supported))
1994 		return ARRAY_SIZE(marvell_hw_stats);
1995 	else
1996 		return ARRAY_SIZE(marvell_hw_stats) - NB_FIBER_STATS;
1997 }
1998 
marvell_get_sset_count_simple(struct phy_device * phydev)1999 static int marvell_get_sset_count_simple(struct phy_device *phydev)
2000 {
2001 	return ARRAY_SIZE(marvell_hw_stats_simple);
2002 }
2003 
marvell_get_strings(struct phy_device * phydev,u8 * data)2004 static void marvell_get_strings(struct phy_device *phydev, u8 *data)
2005 {
2006 	int count = marvell_get_sset_count(phydev);
2007 	int i;
2008 
2009 	for (i = 0; i < count; i++) {
2010 		strscpy(data + i * ETH_GSTRING_LEN,
2011 			marvell_hw_stats[i].string, ETH_GSTRING_LEN);
2012 	}
2013 }
2014 
marvell_get_strings_simple(struct phy_device * phydev,u8 * data)2015 static void marvell_get_strings_simple(struct phy_device *phydev, u8 *data)
2016 {
2017 	int count = marvell_get_sset_count_simple(phydev);
2018 	int i;
2019 
2020 	for (i = 0; i < count; i++) {
2021 		strscpy(data + i * ETH_GSTRING_LEN,
2022 			marvell_hw_stats_simple[i].string, ETH_GSTRING_LEN);
2023 	}
2024 }
2025 
marvell_get_stat(struct phy_device * phydev,int i)2026 static u64 marvell_get_stat(struct phy_device *phydev, int i)
2027 {
2028 	struct marvell_hw_stat stat = marvell_hw_stats[i];
2029 	struct marvell_priv *priv = phydev->priv;
2030 	int val;
2031 	u64 ret;
2032 
2033 	val = phy_read_paged(phydev, stat.page, stat.reg);
2034 	if (val < 0) {
2035 		ret = U64_MAX;
2036 	} else {
2037 		val = val & ((1 << stat.bits) - 1);
2038 		priv->stats[i] += val;
2039 		ret = priv->stats[i];
2040 	}
2041 
2042 	return ret;
2043 }
2044 
marvell_get_stat_simple(struct phy_device * phydev,int i)2045 static u64 marvell_get_stat_simple(struct phy_device *phydev, int i)
2046 {
2047 	struct marvell_hw_stat_simple stat = marvell_hw_stats_simple[i];
2048 	struct marvell_priv *priv = phydev->priv;
2049 	int val;
2050 	u64 ret;
2051 
2052 	val = phy_read(phydev, stat.reg);
2053 	if (val < 0) {
2054 		ret = U64_MAX;
2055 	} else {
2056 		val = val & ((1 << stat.bits) - 1);
2057 		priv->stats[i] += val;
2058 		ret = priv->stats[i];
2059 	}
2060 
2061 	return ret;
2062 }
2063 
marvell_get_stats(struct phy_device * phydev,struct ethtool_stats * stats,u64 * data)2064 static void marvell_get_stats(struct phy_device *phydev,
2065 			      struct ethtool_stats *stats, u64 *data)
2066 {
2067 	int count = marvell_get_sset_count(phydev);
2068 	int i;
2069 
2070 	for (i = 0; i < count; i++)
2071 		data[i] = marvell_get_stat(phydev, i);
2072 }
2073 
marvell_get_stats_simple(struct phy_device * phydev,struct ethtool_stats * stats,u64 * data)2074 static void marvell_get_stats_simple(struct phy_device *phydev,
2075 				     struct ethtool_stats *stats, u64 *data)
2076 {
2077 	int count = marvell_get_sset_count_simple(phydev);
2078 	int i;
2079 
2080 	for (i = 0; i < count; i++)
2081 		data[i] = marvell_get_stat_simple(phydev, i);
2082 }
2083 
m88e1510_loopback(struct phy_device * phydev,bool enable)2084 static int m88e1510_loopback(struct phy_device *phydev, bool enable)
2085 {
2086 	int err;
2087 
2088 	if (enable) {
2089 		u16 bmcr_ctl, mscr2_ctl = 0;
2090 
2091 		bmcr_ctl = mii_bmcr_encode_fixed(phydev->speed, phydev->duplex);
2092 
2093 		err = phy_write(phydev, MII_BMCR, bmcr_ctl);
2094 		if (err < 0)
2095 			return err;
2096 
2097 		if (phydev->speed == SPEED_1000)
2098 			mscr2_ctl = BMCR_SPEED1000;
2099 		else if (phydev->speed == SPEED_100)
2100 			mscr2_ctl = BMCR_SPEED100;
2101 
2102 		err = phy_modify_paged(phydev, MII_MARVELL_MSCR_PAGE,
2103 				       MII_88E1510_MSCR_2, BMCR_SPEED1000 |
2104 				       BMCR_SPEED100, mscr2_ctl);
2105 		if (err < 0)
2106 			return err;
2107 
2108 		/* Need soft reset to have speed configuration takes effect */
2109 		err = genphy_soft_reset(phydev);
2110 		if (err < 0)
2111 			return err;
2112 
2113 		err = phy_modify(phydev, MII_BMCR, BMCR_LOOPBACK,
2114 				 BMCR_LOOPBACK);
2115 
2116 		if (!err) {
2117 			/* It takes some time for PHY device to switch
2118 			 * into/out-of loopback mode.
2119 			 */
2120 			msleep(1000);
2121 		}
2122 		return err;
2123 	} else {
2124 		err = phy_modify(phydev, MII_BMCR, BMCR_LOOPBACK, 0);
2125 		if (err < 0)
2126 			return err;
2127 
2128 		return phy_config_aneg(phydev);
2129 	}
2130 }
2131 
marvell_vct5_wait_complete(struct phy_device * phydev)2132 static int marvell_vct5_wait_complete(struct phy_device *phydev)
2133 {
2134 	int i;
2135 	int val;
2136 
2137 	for (i = 0; i < 32; i++) {
2138 		val = __phy_read(phydev, MII_VCT5_CTRL);
2139 		if (val < 0)
2140 			return val;
2141 
2142 		if (val & MII_VCT5_CTRL_COMPLETE)
2143 			return 0;
2144 	}
2145 
2146 	phydev_err(phydev, "Timeout while waiting for cable test to finish\n");
2147 	return -ETIMEDOUT;
2148 }
2149 
marvell_vct5_amplitude(struct phy_device * phydev,int pair)2150 static int marvell_vct5_amplitude(struct phy_device *phydev, int pair)
2151 {
2152 	int amplitude;
2153 	int val;
2154 	int reg;
2155 
2156 	reg = MII_VCT5_TX_RX_MDI0_COUPLING + pair;
2157 	val = __phy_read(phydev, reg);
2158 
2159 	if (val < 0)
2160 		return 0;
2161 
2162 	amplitude = (val & MII_VCT5_TX_RX_AMPLITUDE_MASK) >>
2163 		MII_VCT5_TX_RX_AMPLITUDE_SHIFT;
2164 
2165 	if (!(val & MII_VCT5_TX_RX_COUPLING_POSITIVE_REFLECTION))
2166 		amplitude = -amplitude;
2167 
2168 	return 1000 * amplitude / 128;
2169 }
2170 
marvell_vct5_distance2cm(int distance)2171 static u32 marvell_vct5_distance2cm(int distance)
2172 {
2173 	return distance * 805 / 10;
2174 }
2175 
marvell_vct5_cm2distance(int cm)2176 static u32 marvell_vct5_cm2distance(int cm)
2177 {
2178 	return cm * 10 / 805;
2179 }
2180 
marvell_vct5_amplitude_distance(struct phy_device * phydev,int distance,int pair)2181 static int marvell_vct5_amplitude_distance(struct phy_device *phydev,
2182 					   int distance, int pair)
2183 {
2184 	u16 reg;
2185 	int err;
2186 	int mV;
2187 	int i;
2188 
2189 	err = __phy_write(phydev, MII_VCT5_SAMPLE_POINT_DISTANCE,
2190 			  distance);
2191 	if (err)
2192 		return err;
2193 
2194 	reg = MII_VCT5_CTRL_ENABLE |
2195 		MII_VCT5_CTRL_TX_SAME_CHANNEL |
2196 		MII_VCT5_CTRL_SAMPLES_DEFAULT |
2197 		MII_VCT5_CTRL_SAMPLE_POINT |
2198 		MII_VCT5_CTRL_PEEK_HYST_DEFAULT;
2199 	err = __phy_write(phydev, MII_VCT5_CTRL, reg);
2200 	if (err)
2201 		return err;
2202 
2203 	err = marvell_vct5_wait_complete(phydev);
2204 	if (err)
2205 		return err;
2206 
2207 	for (i = 0; i < 4; i++) {
2208 		if (pair != PHY_PAIR_ALL && i != pair)
2209 			continue;
2210 
2211 		mV = marvell_vct5_amplitude(phydev, i);
2212 		ethnl_cable_test_amplitude(phydev, i, mV);
2213 	}
2214 
2215 	return 0;
2216 }
2217 
marvell_vct5_amplitude_graph(struct phy_device * phydev)2218 static int marvell_vct5_amplitude_graph(struct phy_device *phydev)
2219 {
2220 	struct marvell_priv *priv = phydev->priv;
2221 	int distance;
2222 	u16 width;
2223 	int page;
2224 	int err;
2225 	u16 reg;
2226 
2227 	if (priv->first <= TDR_SHORT_CABLE_LENGTH)
2228 		width = MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_32nS;
2229 	else
2230 		width = MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_128nS;
2231 
2232 	reg = MII_VCT5_TX_PULSE_CTRL_GT_140m_46_86mV |
2233 		MII_VCT5_TX_PULSE_CTRL_DONT_WAIT_LINK_DOWN |
2234 		MII_VCT5_TX_PULSE_CTRL_MAX_AMP | width;
2235 
2236 	err = phy_write_paged(phydev, MII_MARVELL_VCT5_PAGE,
2237 			      MII_VCT5_TX_PULSE_CTRL, reg);
2238 	if (err)
2239 		return err;
2240 
2241 	/* Reading the TDR data is very MDIO heavy. We need to optimize
2242 	 * access to keep the time to a minimum. So lock the bus once,
2243 	 * and don't release it until complete. We can then avoid having
2244 	 * to change the page for every access, greatly speeding things
2245 	 * up.
2246 	 */
2247 	page = phy_select_page(phydev, MII_MARVELL_VCT5_PAGE);
2248 	if (page < 0)
2249 		goto restore_page;
2250 
2251 	for (distance = priv->first;
2252 	     distance <= priv->last;
2253 	     distance += priv->step) {
2254 		err = marvell_vct5_amplitude_distance(phydev, distance,
2255 						      priv->pair);
2256 		if (err)
2257 			goto restore_page;
2258 
2259 		if (distance > TDR_SHORT_CABLE_LENGTH &&
2260 		    width == MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_32nS) {
2261 			width = MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_128nS;
2262 			reg = MII_VCT5_TX_PULSE_CTRL_GT_140m_46_86mV |
2263 				MII_VCT5_TX_PULSE_CTRL_DONT_WAIT_LINK_DOWN |
2264 				MII_VCT5_TX_PULSE_CTRL_MAX_AMP | width;
2265 			err = __phy_write(phydev, MII_VCT5_TX_PULSE_CTRL, reg);
2266 			if (err)
2267 				goto restore_page;
2268 		}
2269 	}
2270 
2271 restore_page:
2272 	return phy_restore_page(phydev, page, err);
2273 }
2274 
marvell_cable_test_start_common(struct phy_device * phydev)2275 static int marvell_cable_test_start_common(struct phy_device *phydev)
2276 {
2277 	int bmcr, bmsr, ret;
2278 
2279 	/* If auto-negotiation is enabled, but not complete, the cable
2280 	 * test never completes. So disable auto-neg.
2281 	 */
2282 	bmcr = phy_read(phydev, MII_BMCR);
2283 	if (bmcr < 0)
2284 		return bmcr;
2285 
2286 	bmsr = phy_read(phydev, MII_BMSR);
2287 
2288 	if (bmsr < 0)
2289 		return bmsr;
2290 
2291 	if (bmcr & BMCR_ANENABLE) {
2292 		ret =  phy_clear_bits(phydev, MII_BMCR, BMCR_ANENABLE);
2293 		if (ret < 0)
2294 			return ret;
2295 		ret = genphy_soft_reset(phydev);
2296 		if (ret < 0)
2297 			return ret;
2298 	}
2299 
2300 	/* If the link is up, allow it some time to go down */
2301 	if (bmsr & BMSR_LSTATUS)
2302 		msleep(1500);
2303 
2304 	return 0;
2305 }
2306 
marvell_vct7_cable_test_start(struct phy_device * phydev)2307 static int marvell_vct7_cable_test_start(struct phy_device *phydev)
2308 {
2309 	struct marvell_priv *priv = phydev->priv;
2310 	int ret;
2311 
2312 	ret = marvell_cable_test_start_common(phydev);
2313 	if (ret)
2314 		return ret;
2315 
2316 	priv->cable_test_tdr = false;
2317 
2318 	/* Reset the VCT5 API control to defaults, otherwise
2319 	 * VCT7 does not work correctly.
2320 	 */
2321 	ret = phy_write_paged(phydev, MII_MARVELL_VCT5_PAGE,
2322 			      MII_VCT5_CTRL,
2323 			      MII_VCT5_CTRL_TX_SAME_CHANNEL |
2324 			      MII_VCT5_CTRL_SAMPLES_DEFAULT |
2325 			      MII_VCT5_CTRL_MODE_MAXIMUM_PEEK |
2326 			      MII_VCT5_CTRL_PEEK_HYST_DEFAULT);
2327 	if (ret)
2328 		return ret;
2329 
2330 	ret = phy_write_paged(phydev, MII_MARVELL_VCT5_PAGE,
2331 			      MII_VCT5_SAMPLE_POINT_DISTANCE, 0);
2332 	if (ret)
2333 		return ret;
2334 
2335 	return phy_write_paged(phydev, MII_MARVELL_VCT7_PAGE,
2336 			       MII_VCT7_CTRL,
2337 			       MII_VCT7_CTRL_RUN_NOW |
2338 			       MII_VCT7_CTRL_CENTIMETERS);
2339 }
2340 
marvell_vct5_cable_test_tdr_start(struct phy_device * phydev,const struct phy_tdr_config * cfg)2341 static int marvell_vct5_cable_test_tdr_start(struct phy_device *phydev,
2342 					     const struct phy_tdr_config *cfg)
2343 {
2344 	struct marvell_priv *priv = phydev->priv;
2345 	int ret;
2346 
2347 	priv->cable_test_tdr = true;
2348 	priv->first = marvell_vct5_cm2distance(cfg->first);
2349 	priv->last = marvell_vct5_cm2distance(cfg->last);
2350 	priv->step = marvell_vct5_cm2distance(cfg->step);
2351 	priv->pair = cfg->pair;
2352 
2353 	if (priv->first > MII_VCT5_SAMPLE_POINT_DISTANCE_MAX)
2354 		return -EINVAL;
2355 
2356 	if (priv->last > MII_VCT5_SAMPLE_POINT_DISTANCE_MAX)
2357 		return -EINVAL;
2358 
2359 	/* Disable  VCT7 */
2360 	ret = phy_write_paged(phydev, MII_MARVELL_VCT7_PAGE,
2361 			      MII_VCT7_CTRL, 0);
2362 	if (ret)
2363 		return ret;
2364 
2365 	ret = marvell_cable_test_start_common(phydev);
2366 	if (ret)
2367 		return ret;
2368 
2369 	ret = ethnl_cable_test_pulse(phydev, 1000);
2370 	if (ret)
2371 		return ret;
2372 
2373 	return ethnl_cable_test_step(phydev,
2374 				     marvell_vct5_distance2cm(priv->first),
2375 				     marvell_vct5_distance2cm(priv->last),
2376 				     marvell_vct5_distance2cm(priv->step));
2377 }
2378 
marvell_vct7_distance_to_length(int distance,bool meter)2379 static int marvell_vct7_distance_to_length(int distance, bool meter)
2380 {
2381 	if (meter)
2382 		distance *= 100;
2383 
2384 	return distance;
2385 }
2386 
marvell_vct7_distance_valid(int result)2387 static bool marvell_vct7_distance_valid(int result)
2388 {
2389 	switch (result) {
2390 	case MII_VCT7_RESULTS_OPEN:
2391 	case MII_VCT7_RESULTS_SAME_SHORT:
2392 	case MII_VCT7_RESULTS_CROSS_SHORT:
2393 		return true;
2394 	}
2395 	return false;
2396 }
2397 
marvell_vct7_report_length(struct phy_device * phydev,int pair,bool meter)2398 static int marvell_vct7_report_length(struct phy_device *phydev,
2399 				      int pair, bool meter)
2400 {
2401 	int length;
2402 	int ret;
2403 
2404 	ret = phy_read_paged(phydev, MII_MARVELL_VCT7_PAGE,
2405 			     MII_VCT7_PAIR_0_DISTANCE + pair);
2406 	if (ret < 0)
2407 		return ret;
2408 
2409 	length = marvell_vct7_distance_to_length(ret, meter);
2410 
2411 	ethnl_cable_test_fault_length(phydev, pair, length);
2412 
2413 	return 0;
2414 }
2415 
marvell_vct7_cable_test_report_trans(int result)2416 static int marvell_vct7_cable_test_report_trans(int result)
2417 {
2418 	switch (result) {
2419 	case MII_VCT7_RESULTS_OK:
2420 		return ETHTOOL_A_CABLE_RESULT_CODE_OK;
2421 	case MII_VCT7_RESULTS_OPEN:
2422 		return ETHTOOL_A_CABLE_RESULT_CODE_OPEN;
2423 	case MII_VCT7_RESULTS_SAME_SHORT:
2424 		return ETHTOOL_A_CABLE_RESULT_CODE_SAME_SHORT;
2425 	case MII_VCT7_RESULTS_CROSS_SHORT:
2426 		return ETHTOOL_A_CABLE_RESULT_CODE_CROSS_SHORT;
2427 	default:
2428 		return ETHTOOL_A_CABLE_RESULT_CODE_UNSPEC;
2429 	}
2430 }
2431 
marvell_vct7_cable_test_report(struct phy_device * phydev)2432 static int marvell_vct7_cable_test_report(struct phy_device *phydev)
2433 {
2434 	int pair0, pair1, pair2, pair3;
2435 	bool meter;
2436 	int ret;
2437 
2438 	ret = phy_read_paged(phydev, MII_MARVELL_VCT7_PAGE,
2439 			     MII_VCT7_RESULTS);
2440 	if (ret < 0)
2441 		return ret;
2442 
2443 	pair3 = (ret & MII_VCT7_RESULTS_PAIR3_MASK) >>
2444 		MII_VCT7_RESULTS_PAIR3_SHIFT;
2445 	pair2 = (ret & MII_VCT7_RESULTS_PAIR2_MASK) >>
2446 		MII_VCT7_RESULTS_PAIR2_SHIFT;
2447 	pair1 = (ret & MII_VCT7_RESULTS_PAIR1_MASK) >>
2448 		MII_VCT7_RESULTS_PAIR1_SHIFT;
2449 	pair0 = (ret & MII_VCT7_RESULTS_PAIR0_MASK) >>
2450 		MII_VCT7_RESULTS_PAIR0_SHIFT;
2451 
2452 	ethnl_cable_test_result(phydev, ETHTOOL_A_CABLE_PAIR_A,
2453 				marvell_vct7_cable_test_report_trans(pair0));
2454 	ethnl_cable_test_result(phydev, ETHTOOL_A_CABLE_PAIR_B,
2455 				marvell_vct7_cable_test_report_trans(pair1));
2456 	ethnl_cable_test_result(phydev, ETHTOOL_A_CABLE_PAIR_C,
2457 				marvell_vct7_cable_test_report_trans(pair2));
2458 	ethnl_cable_test_result(phydev, ETHTOOL_A_CABLE_PAIR_D,
2459 				marvell_vct7_cable_test_report_trans(pair3));
2460 
2461 	ret = phy_read_paged(phydev, MII_MARVELL_VCT7_PAGE, MII_VCT7_CTRL);
2462 	if (ret < 0)
2463 		return ret;
2464 
2465 	meter = ret & MII_VCT7_CTRL_METERS;
2466 
2467 	if (marvell_vct7_distance_valid(pair0))
2468 		marvell_vct7_report_length(phydev, 0, meter);
2469 	if (marvell_vct7_distance_valid(pair1))
2470 		marvell_vct7_report_length(phydev, 1, meter);
2471 	if (marvell_vct7_distance_valid(pair2))
2472 		marvell_vct7_report_length(phydev, 2, meter);
2473 	if (marvell_vct7_distance_valid(pair3))
2474 		marvell_vct7_report_length(phydev, 3, meter);
2475 
2476 	return 0;
2477 }
2478 
marvell_vct7_cable_test_get_status(struct phy_device * phydev,bool * finished)2479 static int marvell_vct7_cable_test_get_status(struct phy_device *phydev,
2480 					      bool *finished)
2481 {
2482 	struct marvell_priv *priv = phydev->priv;
2483 	int ret;
2484 
2485 	if (priv->cable_test_tdr) {
2486 		ret = marvell_vct5_amplitude_graph(phydev);
2487 		*finished = true;
2488 		return ret;
2489 	}
2490 
2491 	*finished = false;
2492 
2493 	ret = phy_read_paged(phydev, MII_MARVELL_VCT7_PAGE,
2494 			     MII_VCT7_CTRL);
2495 
2496 	if (ret < 0)
2497 		return ret;
2498 
2499 	if (!(ret & MII_VCT7_CTRL_IN_PROGRESS)) {
2500 		*finished = true;
2501 
2502 		return marvell_vct7_cable_test_report(phydev);
2503 	}
2504 
2505 	return 0;
2506 }
2507 
m88e3082_vct_cable_test_start(struct phy_device * phydev)2508 static int m88e3082_vct_cable_test_start(struct phy_device *phydev)
2509 {
2510 	struct marvell_priv *priv = phydev->priv;
2511 	int ret;
2512 
2513 	/* It needs some magic workarounds described in VCT manual for this PHY.
2514 	 */
2515 	ret = phy_write(phydev, 29, 0x0003);
2516 	if (ret < 0)
2517 		return ret;
2518 
2519 	ret = phy_write(phydev, 30, 0x6440);
2520 	if (ret < 0)
2521 		return ret;
2522 
2523 	if (priv->vct_phase == M88E3082_VCT_PHASE1) {
2524 		ret = phy_write(phydev, 29, 0x000a);
2525 		if (ret < 0)
2526 			return ret;
2527 
2528 		ret = phy_write(phydev, 30, 0x0002);
2529 		if (ret < 0)
2530 			return ret;
2531 	}
2532 
2533 	ret = phy_write(phydev, MII_BMCR,
2534 			BMCR_RESET | BMCR_SPEED100 | BMCR_FULLDPLX);
2535 	if (ret < 0)
2536 		return ret;
2537 
2538 	ret = phy_write(phydev, MII_VCT_TXPINS, MII_VCT_TXPINS_ENVCT);
2539 	if (ret < 0)
2540 		return ret;
2541 
2542 	ret = phy_write(phydev, 29, 0x0003);
2543 	if (ret < 0)
2544 		return ret;
2545 
2546 	ret = phy_write(phydev, 30, 0x0);
2547 	if (ret < 0)
2548 		return ret;
2549 
2550 	if (priv->vct_phase == M88E3082_VCT_OFF) {
2551 		priv->vct_phase = M88E3082_VCT_PHASE1;
2552 		priv->pair = 0;
2553 
2554 		return 0;
2555 	}
2556 
2557 	ret = phy_write(phydev, 29, 0x000a);
2558 	if (ret < 0)
2559 		return ret;
2560 
2561 	ret = phy_write(phydev, 30, 0x0);
2562 	if (ret < 0)
2563 		return ret;
2564 
2565 	priv->vct_phase = M88E3082_VCT_PHASE2;
2566 
2567 	return 0;
2568 }
2569 
m88e3082_vct_cable_test_report_trans(int result,u8 distance)2570 static int m88e3082_vct_cable_test_report_trans(int result, u8 distance)
2571 {
2572 	switch (result) {
2573 	case MII_VCT_TXRXPINS_VCTTST_OK:
2574 		if (distance == MII_VCT_TXRXPINS_DISTRFLN_MAX)
2575 			return ETHTOOL_A_CABLE_RESULT_CODE_OK;
2576 		return ETHTOOL_A_CABLE_RESULT_CODE_IMPEDANCE_MISMATCH;
2577 	case MII_VCT_TXRXPINS_VCTTST_SHORT:
2578 		return ETHTOOL_A_CABLE_RESULT_CODE_SAME_SHORT;
2579 	case MII_VCT_TXRXPINS_VCTTST_OPEN:
2580 		return ETHTOOL_A_CABLE_RESULT_CODE_OPEN;
2581 	default:
2582 		return ETHTOOL_A_CABLE_RESULT_CODE_UNSPEC;
2583 	}
2584 }
2585 
m88e3082_vct_distrfln_2_cm(u8 distrfln)2586 static u32 m88e3082_vct_distrfln_2_cm(u8 distrfln)
2587 {
2588 	if (distrfln < 24)
2589 		return 0;
2590 
2591 	/* Original function for meters: y = 0.7861x - 18.862 */
2592 	return (7861 * distrfln - 188620) / 100;
2593 }
2594 
m88e3082_vct_cable_test_get_status(struct phy_device * phydev,bool * finished)2595 static int m88e3082_vct_cable_test_get_status(struct phy_device *phydev,
2596 					      bool *finished)
2597 {
2598 	u8 tx_vcttst_res, rx_vcttst_res, tx_distrfln, rx_distrfln;
2599 	struct marvell_priv *priv = phydev->priv;
2600 	int ret, tx_result, rx_result;
2601 	bool done_phase = true;
2602 
2603 	*finished = false;
2604 
2605 	ret = phy_read(phydev, MII_VCT_TXPINS);
2606 	if (ret < 0)
2607 		return ret;
2608 	else if (ret & MII_VCT_TXPINS_ENVCT)
2609 		return 0;
2610 
2611 	tx_distrfln = ret & MII_VCT_TXRXPINS_DISTRFLN;
2612 	tx_vcttst_res = (ret & MII_VCT_TXRXPINS_VCTTST) >>
2613 			MII_VCT_TXRXPINS_VCTTST_SHIFT;
2614 
2615 	ret = phy_read(phydev, MII_VCT_RXPINS);
2616 	if (ret < 0)
2617 		return ret;
2618 
2619 	rx_distrfln = ret & MII_VCT_TXRXPINS_DISTRFLN;
2620 	rx_vcttst_res = (ret & MII_VCT_TXRXPINS_VCTTST) >>
2621 			MII_VCT_TXRXPINS_VCTTST_SHIFT;
2622 
2623 	*finished = true;
2624 
2625 	switch (priv->vct_phase) {
2626 	case M88E3082_VCT_PHASE1:
2627 		tx_result = m88e3082_vct_cable_test_report_trans(tx_vcttst_res,
2628 								 tx_distrfln);
2629 		rx_result = m88e3082_vct_cable_test_report_trans(rx_vcttst_res,
2630 								 rx_distrfln);
2631 
2632 		ethnl_cable_test_result(phydev, ETHTOOL_A_CABLE_PAIR_A,
2633 					tx_result);
2634 		ethnl_cable_test_result(phydev, ETHTOOL_A_CABLE_PAIR_B,
2635 					rx_result);
2636 
2637 		if (tx_vcttst_res == MII_VCT_TXRXPINS_VCTTST_OPEN) {
2638 			done_phase = false;
2639 			priv->pair |= M88E3082_PAIR_A;
2640 		} else if (tx_distrfln < MII_VCT_TXRXPINS_DISTRFLN_MAX) {
2641 			u8 pair = ETHTOOL_A_CABLE_PAIR_A;
2642 			u32 cm = m88e3082_vct_distrfln_2_cm(tx_distrfln);
2643 
2644 			ethnl_cable_test_fault_length(phydev, pair, cm);
2645 		}
2646 
2647 		if (rx_vcttst_res == MII_VCT_TXRXPINS_VCTTST_OPEN) {
2648 			done_phase = false;
2649 			priv->pair |= M88E3082_PAIR_B;
2650 		} else if (rx_distrfln < MII_VCT_TXRXPINS_DISTRFLN_MAX) {
2651 			u8 pair = ETHTOOL_A_CABLE_PAIR_B;
2652 			u32 cm = m88e3082_vct_distrfln_2_cm(rx_distrfln);
2653 
2654 			ethnl_cable_test_fault_length(phydev, pair, cm);
2655 		}
2656 
2657 		break;
2658 	case M88E3082_VCT_PHASE2:
2659 		if (priv->pair & M88E3082_PAIR_A &&
2660 		    tx_vcttst_res == MII_VCT_TXRXPINS_VCTTST_OPEN &&
2661 		    tx_distrfln < MII_VCT_TXRXPINS_DISTRFLN_MAX) {
2662 			u8 pair = ETHTOOL_A_CABLE_PAIR_A;
2663 			u32 cm = m88e3082_vct_distrfln_2_cm(tx_distrfln);
2664 
2665 			ethnl_cable_test_fault_length(phydev, pair, cm);
2666 		}
2667 		if (priv->pair & M88E3082_PAIR_B &&
2668 		    rx_vcttst_res == MII_VCT_TXRXPINS_VCTTST_OPEN &&
2669 		    rx_distrfln < MII_VCT_TXRXPINS_DISTRFLN_MAX) {
2670 			u8 pair = ETHTOOL_A_CABLE_PAIR_B;
2671 			u32 cm = m88e3082_vct_distrfln_2_cm(rx_distrfln);
2672 
2673 			ethnl_cable_test_fault_length(phydev, pair, cm);
2674 		}
2675 
2676 		break;
2677 	default:
2678 		return -EINVAL;
2679 	}
2680 
2681 	if (!done_phase) {
2682 		*finished = false;
2683 		return m88e3082_vct_cable_test_start(phydev);
2684 	}
2685 	if (*finished)
2686 		priv->vct_phase = M88E3082_VCT_OFF;
2687 	return 0;
2688 }
2689 
m88e1111_vct_cable_test_start(struct phy_device * phydev)2690 static int m88e1111_vct_cable_test_start(struct phy_device *phydev)
2691 {
2692 	int ret;
2693 
2694 	ret = marvell_cable_test_start_common(phydev);
2695 	if (ret)
2696 		return ret;
2697 
2698 	/* It needs some magic workarounds described in VCT manual for this PHY.
2699 	 */
2700 	ret = phy_write(phydev, 29, 0x0018);
2701 	if (ret < 0)
2702 		return ret;
2703 
2704 	ret = phy_write(phydev, 30, 0x00c2);
2705 	if (ret < 0)
2706 		return ret;
2707 
2708 	ret = phy_write(phydev, 30, 0x00ca);
2709 	if (ret < 0)
2710 		return ret;
2711 
2712 	ret = phy_write(phydev, 30, 0x00c2);
2713 	if (ret < 0)
2714 		return ret;
2715 
2716 	ret = phy_write_paged(phydev, MII_MARVELL_COPPER_PAGE, MII_VCT_SR,
2717 			      MII_VCT_TXPINS_ENVCT);
2718 	if (ret < 0)
2719 		return ret;
2720 
2721 	ret = phy_write(phydev, 29, 0x0018);
2722 	if (ret < 0)
2723 		return ret;
2724 
2725 	ret = phy_write(phydev, 30, 0x0042);
2726 	if (ret < 0)
2727 		return ret;
2728 
2729 	return 0;
2730 }
2731 
m88e1111_vct_distrfln_2_cm(u8 distrfln)2732 static u32 m88e1111_vct_distrfln_2_cm(u8 distrfln)
2733 {
2734 	if (distrfln < 36)
2735 		return 0;
2736 
2737 	/* Original function for meters: y = 0.8018x - 28.751 */
2738 	return (8018 * distrfln - 287510) / 100;
2739 }
2740 
m88e1111_vct_cable_test_get_status(struct phy_device * phydev,bool * finished)2741 static int m88e1111_vct_cable_test_get_status(struct phy_device *phydev,
2742 					      bool *finished)
2743 {
2744 	u8 vcttst_res, distrfln;
2745 	int ret, result;
2746 
2747 	*finished = false;
2748 
2749 	/* Each pair use one page: A-0, B-1, C-2, D-3 */
2750 	for (u8 i = 0; i < 4; i++) {
2751 		ret = phy_read_paged(phydev, i, MII_VCT_SR);
2752 		if (ret < 0)
2753 			return ret;
2754 		else if (i == 0 && ret & MII_VCT_TXPINS_ENVCT)
2755 			return 0;
2756 
2757 		distrfln = ret & MII_VCT_TXRXPINS_DISTRFLN;
2758 		vcttst_res = (ret & MII_VCT_TXRXPINS_VCTTST) >>
2759 			      MII_VCT_TXRXPINS_VCTTST_SHIFT;
2760 
2761 		result = m88e3082_vct_cable_test_report_trans(vcttst_res,
2762 							      distrfln);
2763 		ethnl_cable_test_result(phydev, i, result);
2764 
2765 		if (distrfln < MII_VCT_TXRXPINS_DISTRFLN_MAX) {
2766 			u32 cm = m88e1111_vct_distrfln_2_cm(distrfln);
2767 
2768 			ethnl_cable_test_fault_length(phydev, i, cm);
2769 		}
2770 	}
2771 
2772 	*finished = true;
2773 	return 0;
2774 }
2775 
2776 #ifdef CONFIG_HWMON
2777 struct marvell_hwmon_ops {
2778 	int (*config)(struct phy_device *phydev);
2779 	int (*get_temp)(struct phy_device *phydev, long *temp);
2780 	int (*get_temp_critical)(struct phy_device *phydev, long *temp);
2781 	int (*set_temp_critical)(struct phy_device *phydev, long temp);
2782 	int (*get_temp_alarm)(struct phy_device *phydev, long *alarm);
2783 };
2784 
2785 static const struct marvell_hwmon_ops *
to_marvell_hwmon_ops(const struct phy_device * phydev)2786 to_marvell_hwmon_ops(const struct phy_device *phydev)
2787 {
2788 	return phydev->drv->driver_data;
2789 }
2790 
m88e1121_get_temp(struct phy_device * phydev,long * temp)2791 static int m88e1121_get_temp(struct phy_device *phydev, long *temp)
2792 {
2793 	int oldpage;
2794 	int ret = 0;
2795 	int val;
2796 
2797 	*temp = 0;
2798 
2799 	oldpage = phy_select_page(phydev, MII_MARVELL_MISC_TEST_PAGE);
2800 	if (oldpage < 0)
2801 		goto error;
2802 
2803 	/* Enable temperature sensor */
2804 	ret = __phy_read(phydev, MII_88E1121_MISC_TEST);
2805 	if (ret < 0)
2806 		goto error;
2807 
2808 	ret = __phy_write(phydev, MII_88E1121_MISC_TEST,
2809 			  ret | MII_88E1121_MISC_TEST_TEMP_SENSOR_EN);
2810 	if (ret < 0)
2811 		goto error;
2812 
2813 	/* Wait for temperature to stabilize */
2814 	usleep_range(10000, 12000);
2815 
2816 	val = __phy_read(phydev, MII_88E1121_MISC_TEST);
2817 	if (val < 0) {
2818 		ret = val;
2819 		goto error;
2820 	}
2821 
2822 	/* Disable temperature sensor */
2823 	ret = __phy_write(phydev, MII_88E1121_MISC_TEST,
2824 			  ret & ~MII_88E1121_MISC_TEST_TEMP_SENSOR_EN);
2825 	if (ret < 0)
2826 		goto error;
2827 
2828 	*temp = ((val & MII_88E1121_MISC_TEST_TEMP_MASK) - 5) * 5000;
2829 
2830 error:
2831 	return phy_restore_page(phydev, oldpage, ret);
2832 }
2833 
m88e1510_get_temp(struct phy_device * phydev,long * temp)2834 static int m88e1510_get_temp(struct phy_device *phydev, long *temp)
2835 {
2836 	int ret;
2837 
2838 	*temp = 0;
2839 
2840 	ret = phy_read_paged(phydev, MII_MARVELL_MISC_TEST_PAGE,
2841 			     MII_88E1510_TEMP_SENSOR);
2842 	if (ret < 0)
2843 		return ret;
2844 
2845 	*temp = ((ret & MII_88E1510_TEMP_SENSOR_MASK) - 25) * 1000;
2846 
2847 	return 0;
2848 }
2849 
m88e1510_get_temp_critical(struct phy_device * phydev,long * temp)2850 static int m88e1510_get_temp_critical(struct phy_device *phydev, long *temp)
2851 {
2852 	int ret;
2853 
2854 	*temp = 0;
2855 
2856 	ret = phy_read_paged(phydev, MII_MARVELL_MISC_TEST_PAGE,
2857 			     MII_88E1121_MISC_TEST);
2858 	if (ret < 0)
2859 		return ret;
2860 
2861 	*temp = (((ret & MII_88E1510_MISC_TEST_TEMP_THRESHOLD_MASK) >>
2862 		  MII_88E1510_MISC_TEST_TEMP_THRESHOLD_SHIFT) * 5) - 25;
2863 	/* convert to mC */
2864 	*temp *= 1000;
2865 
2866 	return 0;
2867 }
2868 
m88e1510_set_temp_critical(struct phy_device * phydev,long temp)2869 static int m88e1510_set_temp_critical(struct phy_device *phydev, long temp)
2870 {
2871 	temp = temp / 1000;
2872 	temp = clamp_val(DIV_ROUND_CLOSEST(temp, 5) + 5, 0, 0x1f);
2873 
2874 	return phy_modify_paged(phydev, MII_MARVELL_MISC_TEST_PAGE,
2875 				MII_88E1121_MISC_TEST,
2876 				MII_88E1510_MISC_TEST_TEMP_THRESHOLD_MASK,
2877 				temp << MII_88E1510_MISC_TEST_TEMP_THRESHOLD_SHIFT);
2878 }
2879 
m88e1510_get_temp_alarm(struct phy_device * phydev,long * alarm)2880 static int m88e1510_get_temp_alarm(struct phy_device *phydev, long *alarm)
2881 {
2882 	int ret;
2883 
2884 	*alarm = false;
2885 
2886 	ret = phy_read_paged(phydev, MII_MARVELL_MISC_TEST_PAGE,
2887 			     MII_88E1121_MISC_TEST);
2888 	if (ret < 0)
2889 		return ret;
2890 
2891 	*alarm = !!(ret & MII_88E1510_MISC_TEST_TEMP_IRQ);
2892 
2893 	return 0;
2894 }
2895 
m88e6390_get_temp(struct phy_device * phydev,long * temp)2896 static int m88e6390_get_temp(struct phy_device *phydev, long *temp)
2897 {
2898 	int sum = 0;
2899 	int oldpage;
2900 	int ret = 0;
2901 	int i;
2902 
2903 	*temp = 0;
2904 
2905 	oldpage = phy_select_page(phydev, MII_MARVELL_MISC_TEST_PAGE);
2906 	if (oldpage < 0)
2907 		goto error;
2908 
2909 	/* Enable temperature sensor */
2910 	ret = __phy_read(phydev, MII_88E6390_MISC_TEST);
2911 	if (ret < 0)
2912 		goto error;
2913 
2914 	ret &= ~MII_88E6390_MISC_TEST_TEMP_SENSOR_MASK;
2915 	ret |= MII_88E6390_MISC_TEST_TEMP_SENSOR_ENABLE_SAMPLE_1S;
2916 
2917 	ret = __phy_write(phydev, MII_88E6390_MISC_TEST, ret);
2918 	if (ret < 0)
2919 		goto error;
2920 
2921 	/* Wait for temperature to stabilize */
2922 	usleep_range(10000, 12000);
2923 
2924 	/* Reading the temperature sense has an errata. You need to read
2925 	 * a number of times and take an average.
2926 	 */
2927 	for (i = 0; i < MII_88E6390_TEMP_SENSOR_SAMPLES; i++) {
2928 		ret = __phy_read(phydev, MII_88E6390_TEMP_SENSOR);
2929 		if (ret < 0)
2930 			goto error;
2931 		sum += ret & MII_88E6390_TEMP_SENSOR_MASK;
2932 	}
2933 
2934 	sum /= MII_88E6390_TEMP_SENSOR_SAMPLES;
2935 	*temp = (sum  - 75) * 1000;
2936 
2937 	/* Disable temperature sensor */
2938 	ret = __phy_read(phydev, MII_88E6390_MISC_TEST);
2939 	if (ret < 0)
2940 		goto error;
2941 
2942 	ret = ret & ~MII_88E6390_MISC_TEST_TEMP_SENSOR_MASK;
2943 	ret |= MII_88E6390_MISC_TEST_TEMP_SENSOR_DISABLE;
2944 
2945 	ret = __phy_write(phydev, MII_88E6390_MISC_TEST, ret);
2946 
2947 error:
2948 	phy_restore_page(phydev, oldpage, ret);
2949 
2950 	return ret;
2951 }
2952 
m88e6393_get_temp(struct phy_device * phydev,long * temp)2953 static int m88e6393_get_temp(struct phy_device *phydev, long *temp)
2954 {
2955 	int err;
2956 
2957 	err = m88e1510_get_temp(phydev, temp);
2958 
2959 	/* 88E1510 measures T + 25, while the PHY on 88E6393X switch
2960 	 * T + 75, so we have to subtract another 50
2961 	 */
2962 	*temp -= 50000;
2963 
2964 	return err;
2965 }
2966 
m88e6393_get_temp_critical(struct phy_device * phydev,long * temp)2967 static int m88e6393_get_temp_critical(struct phy_device *phydev, long *temp)
2968 {
2969 	int ret;
2970 
2971 	*temp = 0;
2972 
2973 	ret = phy_read_paged(phydev, MII_MARVELL_MISC_TEST_PAGE,
2974 			     MII_88E6390_TEMP_SENSOR);
2975 	if (ret < 0)
2976 		return ret;
2977 
2978 	*temp = (((ret & MII_88E6393_TEMP_SENSOR_THRESHOLD_MASK) >>
2979 		  MII_88E6393_TEMP_SENSOR_THRESHOLD_SHIFT) - 75) * 1000;
2980 
2981 	return 0;
2982 }
2983 
m88e6393_set_temp_critical(struct phy_device * phydev,long temp)2984 static int m88e6393_set_temp_critical(struct phy_device *phydev, long temp)
2985 {
2986 	temp = (temp / 1000) + 75;
2987 
2988 	return phy_modify_paged(phydev, MII_MARVELL_MISC_TEST_PAGE,
2989 				MII_88E6390_TEMP_SENSOR,
2990 				MII_88E6393_TEMP_SENSOR_THRESHOLD_MASK,
2991 				temp << MII_88E6393_TEMP_SENSOR_THRESHOLD_SHIFT);
2992 }
2993 
m88e6393_hwmon_config(struct phy_device * phydev)2994 static int m88e6393_hwmon_config(struct phy_device *phydev)
2995 {
2996 	int err;
2997 
2998 	err = m88e6393_set_temp_critical(phydev, 100000);
2999 	if (err)
3000 		return err;
3001 
3002 	return phy_modify_paged(phydev, MII_MARVELL_MISC_TEST_PAGE,
3003 				MII_88E6390_MISC_TEST,
3004 				MII_88E6390_MISC_TEST_TEMP_SENSOR_MASK |
3005 				MII_88E6393_MISC_TEST_SAMPLES_MASK |
3006 				MII_88E6393_MISC_TEST_RATE_MASK,
3007 				MII_88E6390_MISC_TEST_TEMP_SENSOR_ENABLE |
3008 				MII_88E6393_MISC_TEST_SAMPLES_2048 |
3009 				MII_88E6393_MISC_TEST_RATE_2_3MS);
3010 }
3011 
marvell_hwmon_read(struct device * dev,enum hwmon_sensor_types type,u32 attr,int channel,long * temp)3012 static int marvell_hwmon_read(struct device *dev, enum hwmon_sensor_types type,
3013 			      u32 attr, int channel, long *temp)
3014 {
3015 	struct phy_device *phydev = dev_get_drvdata(dev);
3016 	const struct marvell_hwmon_ops *ops = to_marvell_hwmon_ops(phydev);
3017 	int err = -EOPNOTSUPP;
3018 
3019 	switch (attr) {
3020 	case hwmon_temp_input:
3021 		if (ops->get_temp)
3022 			err = ops->get_temp(phydev, temp);
3023 		break;
3024 	case hwmon_temp_crit:
3025 		if (ops->get_temp_critical)
3026 			err = ops->get_temp_critical(phydev, temp);
3027 		break;
3028 	case hwmon_temp_max_alarm:
3029 		if (ops->get_temp_alarm)
3030 			err = ops->get_temp_alarm(phydev, temp);
3031 		break;
3032 	}
3033 
3034 	return err;
3035 }
3036 
marvell_hwmon_write(struct device * dev,enum hwmon_sensor_types type,u32 attr,int channel,long temp)3037 static int marvell_hwmon_write(struct device *dev, enum hwmon_sensor_types type,
3038 			       u32 attr, int channel, long temp)
3039 {
3040 	struct phy_device *phydev = dev_get_drvdata(dev);
3041 	const struct marvell_hwmon_ops *ops = to_marvell_hwmon_ops(phydev);
3042 	int err = -EOPNOTSUPP;
3043 
3044 	switch (attr) {
3045 	case hwmon_temp_crit:
3046 		if (ops->set_temp_critical)
3047 			err = ops->set_temp_critical(phydev, temp);
3048 		break;
3049 	}
3050 
3051 	return err;
3052 }
3053 
marvell_hwmon_is_visible(const void * data,enum hwmon_sensor_types type,u32 attr,int channel)3054 static umode_t marvell_hwmon_is_visible(const void *data,
3055 					enum hwmon_sensor_types type,
3056 					u32 attr, int channel)
3057 {
3058 	const struct phy_device *phydev = data;
3059 	const struct marvell_hwmon_ops *ops = to_marvell_hwmon_ops(phydev);
3060 
3061 	if (type != hwmon_temp)
3062 		return 0;
3063 
3064 	switch (attr) {
3065 	case hwmon_temp_input:
3066 		return ops->get_temp ? 0444 : 0;
3067 	case hwmon_temp_max_alarm:
3068 		return ops->get_temp_alarm ? 0444 : 0;
3069 	case hwmon_temp_crit:
3070 		return (ops->get_temp_critical ? 0444 : 0) |
3071 		       (ops->set_temp_critical ? 0200 : 0);
3072 	default:
3073 		return 0;
3074 	}
3075 }
3076 
3077 static u32 marvell_hwmon_chip_config[] = {
3078 	HWMON_C_REGISTER_TZ,
3079 	0
3080 };
3081 
3082 static const struct hwmon_channel_info marvell_hwmon_chip = {
3083 	.type = hwmon_chip,
3084 	.config = marvell_hwmon_chip_config,
3085 };
3086 
3087 /* we can define HWMON_T_CRIT and HWMON_T_MAX_ALARM even though these are not
3088  * defined for all PHYs, because the hwmon code checks whether the attributes
3089  * exists via the .is_visible method
3090  */
3091 static u32 marvell_hwmon_temp_config[] = {
3092 	HWMON_T_INPUT | HWMON_T_CRIT | HWMON_T_MAX_ALARM,
3093 	0
3094 };
3095 
3096 static const struct hwmon_channel_info marvell_hwmon_temp = {
3097 	.type = hwmon_temp,
3098 	.config = marvell_hwmon_temp_config,
3099 };
3100 
3101 static const struct hwmon_channel_info * const marvell_hwmon_info[] = {
3102 	&marvell_hwmon_chip,
3103 	&marvell_hwmon_temp,
3104 	NULL
3105 };
3106 
3107 static const struct hwmon_ops marvell_hwmon_hwmon_ops = {
3108 	.is_visible = marvell_hwmon_is_visible,
3109 	.read = marvell_hwmon_read,
3110 	.write = marvell_hwmon_write,
3111 };
3112 
3113 static const struct hwmon_chip_info marvell_hwmon_chip_info = {
3114 	.ops = &marvell_hwmon_hwmon_ops,
3115 	.info = marvell_hwmon_info,
3116 };
3117 
marvell_hwmon_name(struct phy_device * phydev)3118 static int marvell_hwmon_name(struct phy_device *phydev)
3119 {
3120 	struct marvell_priv *priv = phydev->priv;
3121 	struct device *dev = &phydev->mdio.dev;
3122 	const char *devname = dev_name(dev);
3123 	size_t len = strlen(devname);
3124 	int i, j;
3125 
3126 	priv->hwmon_name = devm_kzalloc(dev, len, GFP_KERNEL);
3127 	if (!priv->hwmon_name)
3128 		return -ENOMEM;
3129 
3130 	for (i = j = 0; i < len && devname[i]; i++) {
3131 		if (isalnum(devname[i]))
3132 			priv->hwmon_name[j++] = devname[i];
3133 	}
3134 
3135 	return 0;
3136 }
3137 
marvell_hwmon_probe(struct phy_device * phydev)3138 static int marvell_hwmon_probe(struct phy_device *phydev)
3139 {
3140 	const struct marvell_hwmon_ops *ops = to_marvell_hwmon_ops(phydev);
3141 	struct marvell_priv *priv = phydev->priv;
3142 	struct device *dev = &phydev->mdio.dev;
3143 	int err;
3144 
3145 	if (!ops)
3146 		return 0;
3147 
3148 	err = marvell_hwmon_name(phydev);
3149 	if (err)
3150 		return err;
3151 
3152 	priv->hwmon_dev = devm_hwmon_device_register_with_info(
3153 		dev, priv->hwmon_name, phydev, &marvell_hwmon_chip_info, NULL);
3154 	if (IS_ERR(priv->hwmon_dev))
3155 		return PTR_ERR(priv->hwmon_dev);
3156 
3157 	if (ops->config)
3158 		err = ops->config(phydev);
3159 
3160 	return err;
3161 }
3162 
3163 static const struct marvell_hwmon_ops m88e1121_hwmon_ops = {
3164 	.get_temp = m88e1121_get_temp,
3165 };
3166 
3167 static const struct marvell_hwmon_ops m88e1510_hwmon_ops = {
3168 	.get_temp = m88e1510_get_temp,
3169 	.get_temp_critical = m88e1510_get_temp_critical,
3170 	.set_temp_critical = m88e1510_set_temp_critical,
3171 	.get_temp_alarm = m88e1510_get_temp_alarm,
3172 };
3173 
3174 static const struct marvell_hwmon_ops m88e6390_hwmon_ops = {
3175 	.get_temp = m88e6390_get_temp,
3176 };
3177 
3178 static const struct marvell_hwmon_ops m88e6393_hwmon_ops = {
3179 	.config = m88e6393_hwmon_config,
3180 	.get_temp = m88e6393_get_temp,
3181 	.get_temp_critical = m88e6393_get_temp_critical,
3182 	.set_temp_critical = m88e6393_set_temp_critical,
3183 	.get_temp_alarm = m88e1510_get_temp_alarm,
3184 };
3185 
3186 #define DEF_MARVELL_HWMON_OPS(s) (&(s))
3187 
3188 #else
3189 
3190 #define DEF_MARVELL_HWMON_OPS(s) NULL
3191 
marvell_hwmon_probe(struct phy_device * phydev)3192 static int marvell_hwmon_probe(struct phy_device *phydev)
3193 {
3194 	return 0;
3195 }
3196 #endif
3197 
m88e1318_led_brightness_set(struct phy_device * phydev,u8 index,enum led_brightness value)3198 static int m88e1318_led_brightness_set(struct phy_device *phydev,
3199 				       u8 index, enum led_brightness value)
3200 {
3201 	int reg;
3202 
3203 	reg = phy_read_paged(phydev, MII_MARVELL_LED_PAGE,
3204 			     MII_88E1318S_PHY_LED_FUNC);
3205 	if (reg < 0)
3206 		return reg;
3207 
3208 	switch (index) {
3209 	case 0:
3210 	case 1:
3211 	case 2:
3212 		reg &= ~(0xf << (4 * index));
3213 		if (value == LED_OFF)
3214 			reg |= MII_88E1318S_PHY_LED_FUNC_OFF << (4 * index);
3215 		else
3216 			reg |= MII_88E1318S_PHY_LED_FUNC_ON << (4 * index);
3217 		break;
3218 	default:
3219 		return -EINVAL;
3220 	}
3221 
3222 	return phy_write_paged(phydev, MII_MARVELL_LED_PAGE,
3223 			       MII_88E1318S_PHY_LED_FUNC, reg);
3224 }
3225 
m88e1318_led_blink_set(struct phy_device * phydev,u8 index,unsigned long * delay_on,unsigned long * delay_off)3226 static int m88e1318_led_blink_set(struct phy_device *phydev, u8 index,
3227 				  unsigned long *delay_on,
3228 				  unsigned long *delay_off)
3229 {
3230 	int reg;
3231 
3232 	reg = phy_read_paged(phydev, MII_MARVELL_LED_PAGE,
3233 			     MII_88E1318S_PHY_LED_FUNC);
3234 	if (reg < 0)
3235 		return reg;
3236 
3237 	switch (index) {
3238 	case 0:
3239 	case 1:
3240 	case 2:
3241 		reg &= ~(0xf << (4 * index));
3242 		reg |= MII_88E1318S_PHY_LED_FUNC_BLINK << (4 * index);
3243 		/* Reset default is 84ms */
3244 		*delay_on = 84 / 2;
3245 		*delay_off = 84 / 2;
3246 		break;
3247 	default:
3248 		return -EINVAL;
3249 	}
3250 
3251 	return phy_write_paged(phydev, MII_MARVELL_LED_PAGE,
3252 			       MII_88E1318S_PHY_LED_FUNC, reg);
3253 }
3254 
3255 struct marvell_led_rules {
3256 	int mode;
3257 	unsigned long rules;
3258 };
3259 
3260 static const struct marvell_led_rules marvell_led0[] = {
3261 	{
3262 		.mode = 0,
3263 		.rules = BIT(TRIGGER_NETDEV_LINK),
3264 	},
3265 	{
3266 		.mode = 1,
3267 		.rules = (BIT(TRIGGER_NETDEV_LINK) |
3268 			  BIT(TRIGGER_NETDEV_RX) |
3269 			  BIT(TRIGGER_NETDEV_TX)),
3270 	},
3271 	{
3272 		.mode = 3,
3273 		.rules = (BIT(TRIGGER_NETDEV_RX) |
3274 			  BIT(TRIGGER_NETDEV_TX)),
3275 	},
3276 	{
3277 		.mode = 4,
3278 		.rules = (BIT(TRIGGER_NETDEV_RX) |
3279 			  BIT(TRIGGER_NETDEV_TX)),
3280 	},
3281 	{
3282 		.mode = 5,
3283 		.rules = BIT(TRIGGER_NETDEV_TX),
3284 	},
3285 	{
3286 		.mode = 6,
3287 		.rules = BIT(TRIGGER_NETDEV_LINK),
3288 	},
3289 	{
3290 		.mode = 7,
3291 		.rules = BIT(TRIGGER_NETDEV_LINK_1000),
3292 	},
3293 	{
3294 		.mode = 8,
3295 		.rules = 0,
3296 	},
3297 };
3298 
3299 static const struct marvell_led_rules marvell_led1[] = {
3300 	{
3301 		.mode = 1,
3302 		.rules = (BIT(TRIGGER_NETDEV_LINK) |
3303 			  BIT(TRIGGER_NETDEV_RX) |
3304 			  BIT(TRIGGER_NETDEV_TX)),
3305 	},
3306 	{
3307 		.mode = 2,
3308 		.rules = (BIT(TRIGGER_NETDEV_LINK) |
3309 			  BIT(TRIGGER_NETDEV_RX)),
3310 	},
3311 	{
3312 		.mode = 3,
3313 		.rules = (BIT(TRIGGER_NETDEV_RX) |
3314 			  BIT(TRIGGER_NETDEV_TX)),
3315 	},
3316 	{
3317 		.mode = 4,
3318 		.rules = (BIT(TRIGGER_NETDEV_RX) |
3319 			  BIT(TRIGGER_NETDEV_TX)),
3320 	},
3321 	{
3322 		.mode = 6,
3323 		.rules = (BIT(TRIGGER_NETDEV_LINK_100) |
3324 			  BIT(TRIGGER_NETDEV_LINK_1000)),
3325 	},
3326 	{
3327 		.mode = 7,
3328 		.rules = BIT(TRIGGER_NETDEV_LINK_100),
3329 	},
3330 	{
3331 		.mode = 8,
3332 		.rules = 0,
3333 	},
3334 };
3335 
3336 static const struct marvell_led_rules marvell_led2[] = {
3337 	{
3338 		.mode = 0,
3339 		.rules = BIT(TRIGGER_NETDEV_LINK),
3340 	},
3341 	{
3342 		.mode = 1,
3343 		.rules = (BIT(TRIGGER_NETDEV_LINK) |
3344 			  BIT(TRIGGER_NETDEV_RX) |
3345 			  BIT(TRIGGER_NETDEV_TX)),
3346 	},
3347 	{
3348 		.mode = 3,
3349 		.rules = (BIT(TRIGGER_NETDEV_RX) |
3350 			  BIT(TRIGGER_NETDEV_TX)),
3351 	},
3352 	{
3353 		.mode = 4,
3354 		.rules = (BIT(TRIGGER_NETDEV_RX) |
3355 			  BIT(TRIGGER_NETDEV_TX)),
3356 	},
3357 	{
3358 		.mode = 5,
3359 		.rules = BIT(TRIGGER_NETDEV_TX),
3360 	},
3361 	{
3362 		.mode = 6,
3363 		.rules = (BIT(TRIGGER_NETDEV_LINK_10) |
3364 			  BIT(TRIGGER_NETDEV_LINK_1000)),
3365 	},
3366 	{
3367 		.mode = 7,
3368 		.rules = BIT(TRIGGER_NETDEV_LINK_10),
3369 	},
3370 	{
3371 		.mode = 8,
3372 		.rules = 0,
3373 	},
3374 };
3375 
marvell_find_led_mode(unsigned long rules,const struct marvell_led_rules * marvell_rules,int count,int * mode)3376 static int marvell_find_led_mode(unsigned long rules,
3377 				 const struct marvell_led_rules *marvell_rules,
3378 				 int count,
3379 				 int *mode)
3380 {
3381 	int i;
3382 
3383 	for (i = 0; i < count; i++) {
3384 		if (marvell_rules[i].rules == rules) {
3385 			*mode = marvell_rules[i].mode;
3386 			return 0;
3387 		}
3388 	}
3389 	return -EOPNOTSUPP;
3390 }
3391 
marvell_get_led_mode(u8 index,unsigned long rules,int * mode)3392 static int marvell_get_led_mode(u8 index, unsigned long rules, int *mode)
3393 {
3394 	int ret;
3395 
3396 	switch (index) {
3397 	case 0:
3398 		ret = marvell_find_led_mode(rules, marvell_led0,
3399 					    ARRAY_SIZE(marvell_led0), mode);
3400 		break;
3401 	case 1:
3402 		ret = marvell_find_led_mode(rules, marvell_led1,
3403 					    ARRAY_SIZE(marvell_led1), mode);
3404 		break;
3405 	case 2:
3406 		ret = marvell_find_led_mode(rules, marvell_led2,
3407 					    ARRAY_SIZE(marvell_led2), mode);
3408 		break;
3409 	default:
3410 		ret = -EINVAL;
3411 	}
3412 
3413 	return ret;
3414 }
3415 
marvell_find_led_rules(unsigned long * rules,const struct marvell_led_rules * marvell_rules,int count,int mode)3416 static int marvell_find_led_rules(unsigned long *rules,
3417 				  const struct marvell_led_rules *marvell_rules,
3418 				  int count,
3419 				  int mode)
3420 {
3421 	int i;
3422 
3423 	for (i = 0; i < count; i++) {
3424 		if (marvell_rules[i].mode == mode) {
3425 			*rules = marvell_rules[i].rules;
3426 			return 0;
3427 		}
3428 	}
3429 	return -EOPNOTSUPP;
3430 }
3431 
marvell_get_led_rules(u8 index,unsigned long * rules,int mode)3432 static int marvell_get_led_rules(u8 index, unsigned long *rules, int mode)
3433 {
3434 	int ret;
3435 
3436 	switch (index) {
3437 	case 0:
3438 		ret = marvell_find_led_rules(rules, marvell_led0,
3439 					     ARRAY_SIZE(marvell_led0), mode);
3440 		break;
3441 	case 1:
3442 		ret = marvell_find_led_rules(rules, marvell_led1,
3443 					     ARRAY_SIZE(marvell_led1), mode);
3444 		break;
3445 	case 2:
3446 		ret = marvell_find_led_rules(rules, marvell_led2,
3447 					     ARRAY_SIZE(marvell_led2), mode);
3448 		break;
3449 	default:
3450 		ret = -EOPNOTSUPP;
3451 	}
3452 
3453 	return ret;
3454 }
3455 
m88e1318_led_hw_is_supported(struct phy_device * phydev,u8 index,unsigned long rules)3456 static int m88e1318_led_hw_is_supported(struct phy_device *phydev, u8 index,
3457 					unsigned long rules)
3458 {
3459 	int mode, ret;
3460 
3461 	switch (index) {
3462 	case 0:
3463 	case 1:
3464 	case 2:
3465 		ret = marvell_get_led_mode(index, rules, &mode);
3466 		break;
3467 	default:
3468 		ret = -EINVAL;
3469 	}
3470 
3471 	return ret;
3472 }
3473 
m88e1318_led_hw_control_set(struct phy_device * phydev,u8 index,unsigned long rules)3474 static int m88e1318_led_hw_control_set(struct phy_device *phydev, u8 index,
3475 				       unsigned long rules)
3476 {
3477 	int mode, ret, reg;
3478 
3479 	switch (index) {
3480 	case 0:
3481 	case 1:
3482 	case 2:
3483 		ret = marvell_get_led_mode(index, rules, &mode);
3484 		break;
3485 	default:
3486 		ret = -EINVAL;
3487 	}
3488 
3489 	if (ret < 0)
3490 		return ret;
3491 
3492 	reg = phy_read_paged(phydev, MII_MARVELL_LED_PAGE,
3493 			     MII_88E1318S_PHY_LED_FUNC);
3494 	if (reg < 0)
3495 		return reg;
3496 
3497 	reg &= ~(0xf << (4 * index));
3498 	reg |= mode << (4 * index);
3499 	return phy_write_paged(phydev, MII_MARVELL_LED_PAGE,
3500 			       MII_88E1318S_PHY_LED_FUNC, reg);
3501 }
3502 
m88e1318_led_hw_control_get(struct phy_device * phydev,u8 index,unsigned long * rules)3503 static int m88e1318_led_hw_control_get(struct phy_device *phydev, u8 index,
3504 				       unsigned long *rules)
3505 {
3506 	int mode, reg;
3507 
3508 	if (index > 2)
3509 		return -EINVAL;
3510 
3511 	reg = phy_read_paged(phydev, MII_MARVELL_LED_PAGE,
3512 			     MII_88E1318S_PHY_LED_FUNC);
3513 	if (reg < 0)
3514 		return reg;
3515 
3516 	mode = (reg >> (4 * index)) & 0xf;
3517 
3518 	return marvell_get_led_rules(index, rules, mode);
3519 }
3520 
marvell_probe(struct phy_device * phydev)3521 static int marvell_probe(struct phy_device *phydev)
3522 {
3523 	struct marvell_priv *priv;
3524 
3525 	priv = devm_kzalloc(&phydev->mdio.dev, sizeof(*priv), GFP_KERNEL);
3526 	if (!priv)
3527 		return -ENOMEM;
3528 
3529 	phydev->priv = priv;
3530 
3531 	return marvell_hwmon_probe(phydev);
3532 }
3533 
m88e1510_sfp_insert(void * upstream,const struct sfp_eeprom_id * id)3534 static int m88e1510_sfp_insert(void *upstream, const struct sfp_eeprom_id *id)
3535 {
3536 	DECLARE_PHY_INTERFACE_MASK(interfaces);
3537 	struct phy_device *phydev = upstream;
3538 	phy_interface_t interface;
3539 	struct device *dev;
3540 	int oldpage;
3541 	int ret = 0;
3542 	u16 mode;
3543 
3544 	__ETHTOOL_DECLARE_LINK_MODE_MASK(supported) = { 0, };
3545 
3546 	dev = &phydev->mdio.dev;
3547 
3548 	sfp_parse_support(phydev->sfp_bus, id, supported, interfaces);
3549 	interface = sfp_select_interface(phydev->sfp_bus, supported);
3550 
3551 	dev_info(dev, "%s SFP module inserted\n", phy_modes(interface));
3552 
3553 	switch (interface) {
3554 	case PHY_INTERFACE_MODE_1000BASEX:
3555 		mode = MII_88E1510_GEN_CTRL_REG_1_MODE_RGMII_1000X;
3556 
3557 		break;
3558 	case PHY_INTERFACE_MODE_100BASEX:
3559 		mode = MII_88E1510_GEN_CTRL_REG_1_MODE_RGMII_100FX;
3560 
3561 		break;
3562 	case PHY_INTERFACE_MODE_SGMII:
3563 		mode = MII_88E1510_GEN_CTRL_REG_1_MODE_RGMII_SGMII;
3564 
3565 		break;
3566 	default:
3567 		dev_err(dev, "Incompatible SFP module inserted\n");
3568 
3569 		return -EINVAL;
3570 	}
3571 
3572 	oldpage = phy_select_page(phydev, MII_MARVELL_MODE_PAGE);
3573 	if (oldpage < 0)
3574 		goto error;
3575 
3576 	ret = __phy_modify(phydev, MII_88E1510_GEN_CTRL_REG_1,
3577 			   MII_88E1510_GEN_CTRL_REG_1_MODE_MASK, mode);
3578 	if (ret < 0)
3579 		goto error;
3580 
3581 	ret = __phy_set_bits(phydev, MII_88E1510_GEN_CTRL_REG_1,
3582 			     MII_88E1510_GEN_CTRL_REG_1_RESET);
3583 
3584 error:
3585 	return phy_restore_page(phydev, oldpage, ret);
3586 }
3587 
m88e1510_sfp_remove(void * upstream)3588 static void m88e1510_sfp_remove(void *upstream)
3589 {
3590 	struct phy_device *phydev = upstream;
3591 	int oldpage;
3592 	int ret = 0;
3593 
3594 	oldpage = phy_select_page(phydev, MII_MARVELL_MODE_PAGE);
3595 	if (oldpage < 0)
3596 		goto error;
3597 
3598 	ret = __phy_modify(phydev, MII_88E1510_GEN_CTRL_REG_1,
3599 			   MII_88E1510_GEN_CTRL_REG_1_MODE_MASK,
3600 			   MII_88E1510_GEN_CTRL_REG_1_MODE_RGMII);
3601 	if (ret < 0)
3602 		goto error;
3603 
3604 	ret = __phy_set_bits(phydev, MII_88E1510_GEN_CTRL_REG_1,
3605 			     MII_88E1510_GEN_CTRL_REG_1_RESET);
3606 
3607 error:
3608 	phy_restore_page(phydev, oldpage, ret);
3609 }
3610 
3611 static const struct sfp_upstream_ops m88e1510_sfp_ops = {
3612 	.module_insert = m88e1510_sfp_insert,
3613 	.module_remove = m88e1510_sfp_remove,
3614 	.attach = phy_sfp_attach,
3615 	.detach = phy_sfp_detach,
3616 };
3617 
m88e1510_probe(struct phy_device * phydev)3618 static int m88e1510_probe(struct phy_device *phydev)
3619 {
3620 	int err;
3621 
3622 	err = marvell_probe(phydev);
3623 	if (err)
3624 		return err;
3625 
3626 	return phy_sfp_probe(phydev, &m88e1510_sfp_ops);
3627 }
3628 
3629 static struct phy_driver marvell_drivers[] = {
3630 	{
3631 		.phy_id = MARVELL_PHY_ID_88E1101,
3632 		.phy_id_mask = MARVELL_PHY_ID_MASK,
3633 		.name = "Marvell 88E1101",
3634 		/* PHY_GBIT_FEATURES */
3635 		.probe = marvell_probe,
3636 		.config_init = marvell_config_init,
3637 		.config_aneg = m88e1101_config_aneg,
3638 		.config_intr = marvell_config_intr,
3639 		.handle_interrupt = marvell_handle_interrupt,
3640 		.resume = genphy_resume,
3641 		.suspend = genphy_suspend,
3642 		.read_page = marvell_read_page,
3643 		.write_page = marvell_write_page,
3644 		.get_sset_count = marvell_get_sset_count,
3645 		.get_strings = marvell_get_strings,
3646 		.get_stats = marvell_get_stats,
3647 	},
3648 	{
3649 		.phy_id = MARVELL_PHY_ID_88E3082,
3650 		.phy_id_mask = MARVELL_PHY_ID_MASK,
3651 		.name = "Marvell 88E308X/88E609X Family",
3652 		/* PHY_BASIC_FEATURES */
3653 		.probe = marvell_probe,
3654 		.config_init = marvell_config_init,
3655 		.aneg_done = marvell_aneg_done,
3656 		.read_status = marvell_read_status,
3657 		.resume = genphy_resume,
3658 		.suspend = genphy_suspend,
3659 		.cable_test_start = m88e3082_vct_cable_test_start,
3660 		.cable_test_get_status = m88e3082_vct_cable_test_get_status,
3661 	},
3662 	{
3663 		.phy_id = MARVELL_PHY_ID_88E1112,
3664 		.phy_id_mask = MARVELL_PHY_ID_MASK,
3665 		.name = "Marvell 88E1112",
3666 		/* PHY_GBIT_FEATURES */
3667 		.probe = marvell_probe,
3668 		.config_init = m88e1112_config_init,
3669 		.config_aneg = marvell_config_aneg,
3670 		.config_intr = marvell_config_intr,
3671 		.handle_interrupt = marvell_handle_interrupt,
3672 		.resume = genphy_resume,
3673 		.suspend = genphy_suspend,
3674 		.read_page = marvell_read_page,
3675 		.write_page = marvell_write_page,
3676 		.get_sset_count = marvell_get_sset_count,
3677 		.get_strings = marvell_get_strings,
3678 		.get_stats = marvell_get_stats,
3679 		.get_tunable = m88e1011_get_tunable,
3680 		.set_tunable = m88e1011_set_tunable,
3681 	},
3682 	{
3683 		.phy_id = MARVELL_PHY_ID_88E1111,
3684 		.phy_id_mask = MARVELL_PHY_ID_MASK,
3685 		.name = "Marvell 88E1111",
3686 		/* PHY_GBIT_FEATURES */
3687 		.flags = PHY_POLL_CABLE_TEST,
3688 		.probe = marvell_probe,
3689 		.config_init = m88e1111gbe_config_init,
3690 		.config_aneg = m88e1111_config_aneg,
3691 		.read_status = marvell_read_status,
3692 		.config_intr = marvell_config_intr,
3693 		.handle_interrupt = marvell_handle_interrupt,
3694 		.resume = genphy_resume,
3695 		.suspend = genphy_suspend,
3696 		.read_page = marvell_read_page,
3697 		.write_page = marvell_write_page,
3698 		.get_sset_count = marvell_get_sset_count,
3699 		.get_strings = marvell_get_strings,
3700 		.get_stats = marvell_get_stats,
3701 		.get_tunable = m88e1111_get_tunable,
3702 		.set_tunable = m88e1111_set_tunable,
3703 		.cable_test_start = m88e1111_vct_cable_test_start,
3704 		.cable_test_get_status = m88e1111_vct_cable_test_get_status,
3705 	},
3706 	{
3707 		.phy_id = MARVELL_PHY_ID_88E1111_FINISAR,
3708 		.phy_id_mask = MARVELL_PHY_ID_MASK,
3709 		.name = "Marvell 88E1111 (Finisar)",
3710 		/* PHY_GBIT_FEATURES */
3711 		.probe = marvell_probe,
3712 		.config_init = m88e1111gbe_config_init,
3713 		.config_aneg = m88e1111_config_aneg,
3714 		.read_status = marvell_read_status,
3715 		.config_intr = marvell_config_intr,
3716 		.handle_interrupt = marvell_handle_interrupt,
3717 		.resume = genphy_resume,
3718 		.suspend = genphy_suspend,
3719 		.read_page = marvell_read_page,
3720 		.write_page = marvell_write_page,
3721 		.get_sset_count = marvell_get_sset_count,
3722 		.get_strings = marvell_get_strings,
3723 		.get_stats = marvell_get_stats,
3724 		.get_tunable = m88e1111_get_tunable,
3725 		.set_tunable = m88e1111_set_tunable,
3726 	},
3727 	{
3728 		.phy_id = MARVELL_PHY_ID_88E1118,
3729 		.phy_id_mask = MARVELL_PHY_ID_MASK,
3730 		.name = "Marvell 88E1118",
3731 		/* PHY_GBIT_FEATURES */
3732 		.probe = marvell_probe,
3733 		.config_init = m88e1118_config_init,
3734 		.config_aneg = m88e1118_config_aneg,
3735 		.config_intr = marvell_config_intr,
3736 		.handle_interrupt = marvell_handle_interrupt,
3737 		.resume = genphy_resume,
3738 		.suspend = genphy_suspend,
3739 		.read_page = marvell_read_page,
3740 		.write_page = marvell_write_page,
3741 		.get_sset_count = marvell_get_sset_count,
3742 		.get_strings = marvell_get_strings,
3743 		.get_stats = marvell_get_stats,
3744 	},
3745 	{
3746 		.phy_id = MARVELL_PHY_ID_88E1121R,
3747 		.phy_id_mask = MARVELL_PHY_ID_MASK,
3748 		.name = "Marvell 88E1121R",
3749 		.driver_data = DEF_MARVELL_HWMON_OPS(m88e1121_hwmon_ops),
3750 		/* PHY_GBIT_FEATURES */
3751 		.probe = marvell_probe,
3752 		.config_init = marvell_1011gbe_config_init,
3753 		.config_aneg = m88e1121_config_aneg,
3754 		.read_status = marvell_read_status,
3755 		.config_intr = marvell_config_intr,
3756 		.handle_interrupt = marvell_handle_interrupt,
3757 		.resume = genphy_resume,
3758 		.suspend = genphy_suspend,
3759 		.read_page = marvell_read_page,
3760 		.write_page = marvell_write_page,
3761 		.get_sset_count = marvell_get_sset_count,
3762 		.get_strings = marvell_get_strings,
3763 		.get_stats = marvell_get_stats,
3764 		.get_tunable = m88e1011_get_tunable,
3765 		.set_tunable = m88e1011_set_tunable,
3766 	},
3767 	{
3768 		.phy_id = MARVELL_PHY_ID_88E1318S,
3769 		.phy_id_mask = MARVELL_PHY_ID_MASK,
3770 		.name = "Marvell 88E1318S",
3771 		/* PHY_GBIT_FEATURES */
3772 		.probe = marvell_probe,
3773 		.config_init = m88e1318_config_init,
3774 		.config_aneg = m88e1318_config_aneg,
3775 		.read_status = marvell_read_status,
3776 		.config_intr = marvell_config_intr,
3777 		.handle_interrupt = marvell_handle_interrupt,
3778 		.get_wol = m88e1318_get_wol,
3779 		.set_wol = m88e1318_set_wol,
3780 		.resume = genphy_resume,
3781 		.suspend = genphy_suspend,
3782 		.read_page = marvell_read_page,
3783 		.write_page = marvell_write_page,
3784 		.get_sset_count = marvell_get_sset_count,
3785 		.get_strings = marvell_get_strings,
3786 		.get_stats = marvell_get_stats,
3787 		.led_brightness_set = m88e1318_led_brightness_set,
3788 		.led_blink_set = m88e1318_led_blink_set,
3789 		.led_hw_is_supported = m88e1318_led_hw_is_supported,
3790 		.led_hw_control_set = m88e1318_led_hw_control_set,
3791 		.led_hw_control_get = m88e1318_led_hw_control_get,
3792 	},
3793 	{
3794 		.phy_id = MARVELL_PHY_ID_88E1145,
3795 		.phy_id_mask = MARVELL_PHY_ID_MASK,
3796 		.name = "Marvell 88E1145",
3797 		/* PHY_GBIT_FEATURES */
3798 		.flags = PHY_POLL_CABLE_TEST,
3799 		.probe = marvell_probe,
3800 		.config_init = m88e1145_config_init,
3801 		.config_aneg = m88e1101_config_aneg,
3802 		.config_intr = marvell_config_intr,
3803 		.handle_interrupt = marvell_handle_interrupt,
3804 		.resume = genphy_resume,
3805 		.suspend = genphy_suspend,
3806 		.read_page = marvell_read_page,
3807 		.write_page = marvell_write_page,
3808 		.get_sset_count = marvell_get_sset_count,
3809 		.get_strings = marvell_get_strings,
3810 		.get_stats = marvell_get_stats,
3811 		.get_tunable = m88e1111_get_tunable,
3812 		.set_tunable = m88e1111_set_tunable,
3813 		.cable_test_start = m88e1111_vct_cable_test_start,
3814 		.cable_test_get_status = m88e1111_vct_cable_test_get_status,
3815 	},
3816 	{
3817 		.phy_id = MARVELL_PHY_ID_88E1149R,
3818 		.phy_id_mask = MARVELL_PHY_ID_MASK,
3819 		.name = "Marvell 88E1149R",
3820 		/* PHY_GBIT_FEATURES */
3821 		.probe = marvell_probe,
3822 		.config_init = m88e1149_config_init,
3823 		.config_aneg = m88e1118_config_aneg,
3824 		.config_intr = marvell_config_intr,
3825 		.handle_interrupt = marvell_handle_interrupt,
3826 		.resume = genphy_resume,
3827 		.suspend = genphy_suspend,
3828 		.read_page = marvell_read_page,
3829 		.write_page = marvell_write_page,
3830 		.get_sset_count = marvell_get_sset_count,
3831 		.get_strings = marvell_get_strings,
3832 		.get_stats = marvell_get_stats,
3833 	},
3834 	{
3835 		.phy_id = MARVELL_PHY_ID_88E1240,
3836 		.phy_id_mask = MARVELL_PHY_ID_MASK,
3837 		.name = "Marvell 88E1240",
3838 		/* PHY_GBIT_FEATURES */
3839 		.probe = marvell_probe,
3840 		.config_init = m88e1112_config_init,
3841 		.config_aneg = marvell_config_aneg,
3842 		.config_intr = marvell_config_intr,
3843 		.handle_interrupt = marvell_handle_interrupt,
3844 		.resume = genphy_resume,
3845 		.suspend = genphy_suspend,
3846 		.read_page = marvell_read_page,
3847 		.write_page = marvell_write_page,
3848 		.get_sset_count = marvell_get_sset_count,
3849 		.get_strings = marvell_get_strings,
3850 		.get_stats = marvell_get_stats,
3851 		.get_tunable = m88e1011_get_tunable,
3852 		.set_tunable = m88e1011_set_tunable,
3853 	},
3854 	{
3855 		.phy_id = MARVELL_PHY_ID_88E1116R,
3856 		.phy_id_mask = MARVELL_PHY_ID_MASK,
3857 		.name = "Marvell 88E1116R",
3858 		/* PHY_GBIT_FEATURES */
3859 		.probe = marvell_probe,
3860 		.config_init = m88e1116r_config_init,
3861 		.config_intr = marvell_config_intr,
3862 		.handle_interrupt = marvell_handle_interrupt,
3863 		.resume = genphy_resume,
3864 		.suspend = genphy_suspend,
3865 		.read_page = marvell_read_page,
3866 		.write_page = marvell_write_page,
3867 		.get_sset_count = marvell_get_sset_count,
3868 		.get_strings = marvell_get_strings,
3869 		.get_stats = marvell_get_stats,
3870 		.get_tunable = m88e1011_get_tunable,
3871 		.set_tunable = m88e1011_set_tunable,
3872 	},
3873 	{
3874 		.phy_id = MARVELL_PHY_ID_88E1510,
3875 		.phy_id_mask = MARVELL_PHY_ID_MASK,
3876 		.name = "Marvell 88E1510",
3877 		.driver_data = DEF_MARVELL_HWMON_OPS(m88e1510_hwmon_ops),
3878 		.features = PHY_GBIT_FIBRE_FEATURES,
3879 		.flags = PHY_POLL_CABLE_TEST,
3880 		.probe = m88e1510_probe,
3881 		.config_init = m88e1510_config_init,
3882 		.config_aneg = m88e1510_config_aneg,
3883 		.read_status = marvell_read_status,
3884 		.config_intr = marvell_config_intr,
3885 		.handle_interrupt = marvell_handle_interrupt,
3886 		.get_wol = m88e1318_get_wol,
3887 		.set_wol = m88e1318_set_wol,
3888 		.resume = marvell_resume,
3889 		.suspend = marvell_suspend,
3890 		.read_page = marvell_read_page,
3891 		.write_page = marvell_write_page,
3892 		.get_sset_count = marvell_get_sset_count,
3893 		.get_strings = marvell_get_strings,
3894 		.get_stats = marvell_get_stats,
3895 		.set_loopback = m88e1510_loopback,
3896 		.get_tunable = m88e1011_get_tunable,
3897 		.set_tunable = m88e1011_set_tunable,
3898 		.cable_test_start = marvell_vct7_cable_test_start,
3899 		.cable_test_tdr_start = marvell_vct5_cable_test_tdr_start,
3900 		.cable_test_get_status = marvell_vct7_cable_test_get_status,
3901 		.led_brightness_set = m88e1318_led_brightness_set,
3902 		.led_blink_set = m88e1318_led_blink_set,
3903 		.led_hw_is_supported = m88e1318_led_hw_is_supported,
3904 		.led_hw_control_set = m88e1318_led_hw_control_set,
3905 		.led_hw_control_get = m88e1318_led_hw_control_get,
3906 	},
3907 	{
3908 		.phy_id = MARVELL_PHY_ID_88E1540,
3909 		.phy_id_mask = MARVELL_PHY_ID_MASK,
3910 		.name = "Marvell 88E1540",
3911 		.driver_data = DEF_MARVELL_HWMON_OPS(m88e1510_hwmon_ops),
3912 		/* PHY_GBIT_FEATURES */
3913 		.flags = PHY_POLL_CABLE_TEST,
3914 		.probe = marvell_probe,
3915 		.config_init = marvell_1011gbe_config_init,
3916 		.config_aneg = m88e1510_config_aneg,
3917 		.read_status = marvell_read_status,
3918 		.config_intr = marvell_config_intr,
3919 		.handle_interrupt = marvell_handle_interrupt,
3920 		.resume = genphy_resume,
3921 		.suspend = genphy_suspend,
3922 		.read_page = marvell_read_page,
3923 		.write_page = marvell_write_page,
3924 		.get_sset_count = marvell_get_sset_count,
3925 		.get_strings = marvell_get_strings,
3926 		.get_stats = marvell_get_stats,
3927 		.get_tunable = m88e1540_get_tunable,
3928 		.set_tunable = m88e1540_set_tunable,
3929 		.cable_test_start = marvell_vct7_cable_test_start,
3930 		.cable_test_tdr_start = marvell_vct5_cable_test_tdr_start,
3931 		.cable_test_get_status = marvell_vct7_cable_test_get_status,
3932 		.led_brightness_set = m88e1318_led_brightness_set,
3933 		.led_blink_set = m88e1318_led_blink_set,
3934 		.led_hw_is_supported = m88e1318_led_hw_is_supported,
3935 		.led_hw_control_set = m88e1318_led_hw_control_set,
3936 		.led_hw_control_get = m88e1318_led_hw_control_get,
3937 	},
3938 	{
3939 		.phy_id = MARVELL_PHY_ID_88E1545,
3940 		.phy_id_mask = MARVELL_PHY_ID_MASK,
3941 		.name = "Marvell 88E1545",
3942 		.driver_data = DEF_MARVELL_HWMON_OPS(m88e1510_hwmon_ops),
3943 		.probe = marvell_probe,
3944 		/* PHY_GBIT_FEATURES */
3945 		.flags = PHY_POLL_CABLE_TEST,
3946 		.config_init = marvell_1011gbe_config_init,
3947 		.config_aneg = m88e1510_config_aneg,
3948 		.read_status = marvell_read_status,
3949 		.config_intr = marvell_config_intr,
3950 		.handle_interrupt = marvell_handle_interrupt,
3951 		.resume = genphy_resume,
3952 		.suspend = genphy_suspend,
3953 		.read_page = marvell_read_page,
3954 		.write_page = marvell_write_page,
3955 		.get_sset_count = marvell_get_sset_count,
3956 		.get_strings = marvell_get_strings,
3957 		.get_stats = marvell_get_stats,
3958 		.get_tunable = m88e1540_get_tunable,
3959 		.set_tunable = m88e1540_set_tunable,
3960 		.cable_test_start = marvell_vct7_cable_test_start,
3961 		.cable_test_tdr_start = marvell_vct5_cable_test_tdr_start,
3962 		.cable_test_get_status = marvell_vct7_cable_test_get_status,
3963 		.led_brightness_set = m88e1318_led_brightness_set,
3964 		.led_blink_set = m88e1318_led_blink_set,
3965 		.led_hw_is_supported = m88e1318_led_hw_is_supported,
3966 		.led_hw_control_set = m88e1318_led_hw_control_set,
3967 		.led_hw_control_get = m88e1318_led_hw_control_get,
3968 	},
3969 	{
3970 		.phy_id = MARVELL_PHY_ID_88E3016,
3971 		.phy_id_mask = MARVELL_PHY_ID_MASK,
3972 		.name = "Marvell 88E3016",
3973 		/* PHY_BASIC_FEATURES */
3974 		.probe = marvell_probe,
3975 		.config_init = m88e3016_config_init,
3976 		.aneg_done = marvell_aneg_done,
3977 		.read_status = marvell_read_status,
3978 		.config_intr = marvell_config_intr,
3979 		.handle_interrupt = marvell_handle_interrupt,
3980 		.resume = genphy_resume,
3981 		.suspend = genphy_suspend,
3982 		.read_page = marvell_read_page,
3983 		.write_page = marvell_write_page,
3984 		.get_sset_count = marvell_get_sset_count,
3985 		.get_strings = marvell_get_strings,
3986 		.get_stats = marvell_get_stats,
3987 	},
3988 	{
3989 		.phy_id = MARVELL_PHY_ID_88E6250_FAMILY,
3990 		.phy_id_mask = MARVELL_PHY_ID_MASK,
3991 		.name = "Marvell 88E6250 Family",
3992 		/* PHY_BASIC_FEATURES */
3993 		.probe = marvell_probe,
3994 		.aneg_done = marvell_aneg_done,
3995 		.config_intr = marvell_config_intr,
3996 		.handle_interrupt = marvell_handle_interrupt,
3997 		.resume = genphy_resume,
3998 		.suspend = genphy_suspend,
3999 		.get_sset_count = marvell_get_sset_count_simple,
4000 		.get_strings = marvell_get_strings_simple,
4001 		.get_stats = marvell_get_stats_simple,
4002 	},
4003 	{
4004 		.phy_id = MARVELL_PHY_ID_88E6341_FAMILY,
4005 		.phy_id_mask = MARVELL_PHY_ID_MASK,
4006 		.name = "Marvell 88E6341 Family",
4007 		.driver_data = DEF_MARVELL_HWMON_OPS(m88e1510_hwmon_ops),
4008 		/* PHY_GBIT_FEATURES */
4009 		.flags = PHY_POLL_CABLE_TEST,
4010 		.probe = marvell_probe,
4011 		.config_init = marvell_1011gbe_config_init,
4012 		.config_aneg = m88e6390_config_aneg,
4013 		.read_status = marvell_read_status,
4014 		.config_intr = marvell_config_intr,
4015 		.handle_interrupt = marvell_handle_interrupt,
4016 		.resume = genphy_resume,
4017 		.suspend = genphy_suspend,
4018 		.read_page = marvell_read_page,
4019 		.write_page = marvell_write_page,
4020 		.get_sset_count = marvell_get_sset_count,
4021 		.get_strings = marvell_get_strings,
4022 		.get_stats = marvell_get_stats,
4023 		.get_tunable = m88e1540_get_tunable,
4024 		.set_tunable = m88e1540_set_tunable,
4025 		.cable_test_start = marvell_vct7_cable_test_start,
4026 		.cable_test_tdr_start = marvell_vct5_cable_test_tdr_start,
4027 		.cable_test_get_status = marvell_vct7_cable_test_get_status,
4028 	},
4029 	{
4030 		.phy_id = MARVELL_PHY_ID_88E6390_FAMILY,
4031 		.phy_id_mask = MARVELL_PHY_ID_MASK,
4032 		.name = "Marvell 88E6390 Family",
4033 		.driver_data = DEF_MARVELL_HWMON_OPS(m88e6390_hwmon_ops),
4034 		/* PHY_GBIT_FEATURES */
4035 		.flags = PHY_POLL_CABLE_TEST,
4036 		.probe = marvell_probe,
4037 		.config_init = marvell_1011gbe_config_init,
4038 		.config_aneg = m88e6390_config_aneg,
4039 		.read_status = marvell_read_status,
4040 		.config_intr = marvell_config_intr,
4041 		.handle_interrupt = marvell_handle_interrupt,
4042 		.resume = genphy_resume,
4043 		.suspend = genphy_suspend,
4044 		.read_page = marvell_read_page,
4045 		.write_page = marvell_write_page,
4046 		.get_sset_count = marvell_get_sset_count,
4047 		.get_strings = marvell_get_strings,
4048 		.get_stats = marvell_get_stats,
4049 		.get_tunable = m88e1540_get_tunable,
4050 		.set_tunable = m88e1540_set_tunable,
4051 		.cable_test_start = marvell_vct7_cable_test_start,
4052 		.cable_test_tdr_start = marvell_vct5_cable_test_tdr_start,
4053 		.cable_test_get_status = marvell_vct7_cable_test_get_status,
4054 	},
4055 	{
4056 		.phy_id = MARVELL_PHY_ID_88E6393_FAMILY,
4057 		.phy_id_mask = MARVELL_PHY_ID_MASK,
4058 		.name = "Marvell 88E6393 Family",
4059 		.driver_data = DEF_MARVELL_HWMON_OPS(m88e6393_hwmon_ops),
4060 		/* PHY_GBIT_FEATURES */
4061 		.flags = PHY_POLL_CABLE_TEST,
4062 		.probe = marvell_probe,
4063 		.config_init = marvell_1011gbe_config_init,
4064 		.config_aneg = m88e1510_config_aneg,
4065 		.read_status = marvell_read_status,
4066 		.config_intr = marvell_config_intr,
4067 		.handle_interrupt = marvell_handle_interrupt,
4068 		.resume = genphy_resume,
4069 		.suspend = genphy_suspend,
4070 		.read_page = marvell_read_page,
4071 		.write_page = marvell_write_page,
4072 		.get_sset_count = marvell_get_sset_count,
4073 		.get_strings = marvell_get_strings,
4074 		.get_stats = marvell_get_stats,
4075 		.get_tunable = m88e1540_get_tunable,
4076 		.set_tunable = m88e1540_set_tunable,
4077 		.cable_test_start = marvell_vct7_cable_test_start,
4078 		.cable_test_tdr_start = marvell_vct5_cable_test_tdr_start,
4079 		.cable_test_get_status = marvell_vct7_cable_test_get_status,
4080 	},
4081 	{
4082 		.phy_id = MARVELL_PHY_ID_88E1340S,
4083 		.phy_id_mask = MARVELL_PHY_ID_MASK,
4084 		.name = "Marvell 88E1340S",
4085 		.driver_data = DEF_MARVELL_HWMON_OPS(m88e1510_hwmon_ops),
4086 		.probe = marvell_probe,
4087 		/* PHY_GBIT_FEATURES */
4088 		.config_init = marvell_1011gbe_config_init,
4089 		.config_aneg = m88e1510_config_aneg,
4090 		.read_status = marvell_read_status,
4091 		.config_intr = marvell_config_intr,
4092 		.handle_interrupt = marvell_handle_interrupt,
4093 		.resume = genphy_resume,
4094 		.suspend = genphy_suspend,
4095 		.read_page = marvell_read_page,
4096 		.write_page = marvell_write_page,
4097 		.get_sset_count = marvell_get_sset_count,
4098 		.get_strings = marvell_get_strings,
4099 		.get_stats = marvell_get_stats,
4100 		.get_tunable = m88e1540_get_tunable,
4101 		.set_tunable = m88e1540_set_tunable,
4102 	},
4103 	{
4104 		.phy_id = MARVELL_PHY_ID_88E1548P,
4105 		.phy_id_mask = MARVELL_PHY_ID_MASK,
4106 		.name = "Marvell 88E1548P",
4107 		.driver_data = DEF_MARVELL_HWMON_OPS(m88e1510_hwmon_ops),
4108 		.probe = marvell_probe,
4109 		.features = PHY_GBIT_FIBRE_FEATURES,
4110 		.config_init = marvell_1011gbe_config_init,
4111 		.config_aneg = m88e1510_config_aneg,
4112 		.read_status = marvell_read_status,
4113 		.config_intr = marvell_config_intr,
4114 		.handle_interrupt = marvell_handle_interrupt,
4115 		.resume = genphy_resume,
4116 		.suspend = genphy_suspend,
4117 		.read_page = marvell_read_page,
4118 		.write_page = marvell_write_page,
4119 		.get_sset_count = marvell_get_sset_count,
4120 		.get_strings = marvell_get_strings,
4121 		.get_stats = marvell_get_stats,
4122 		.get_tunable = m88e1540_get_tunable,
4123 		.set_tunable = m88e1540_set_tunable,
4124 		.led_brightness_set = m88e1318_led_brightness_set,
4125 		.led_blink_set = m88e1318_led_blink_set,
4126 		.led_hw_is_supported = m88e1318_led_hw_is_supported,
4127 		.led_hw_control_set = m88e1318_led_hw_control_set,
4128 		.led_hw_control_get = m88e1318_led_hw_control_get,
4129 	},
4130 };
4131 
4132 module_phy_driver(marvell_drivers);
4133 
4134 static struct mdio_device_id __maybe_unused marvell_tbl[] = {
4135 	{ MARVELL_PHY_ID_88E1101, MARVELL_PHY_ID_MASK },
4136 	{ MARVELL_PHY_ID_88E3082, MARVELL_PHY_ID_MASK },
4137 	{ MARVELL_PHY_ID_88E1112, MARVELL_PHY_ID_MASK },
4138 	{ MARVELL_PHY_ID_88E1111, MARVELL_PHY_ID_MASK },
4139 	{ MARVELL_PHY_ID_88E1111_FINISAR, MARVELL_PHY_ID_MASK },
4140 	{ MARVELL_PHY_ID_88E1118, MARVELL_PHY_ID_MASK },
4141 	{ MARVELL_PHY_ID_88E1121R, MARVELL_PHY_ID_MASK },
4142 	{ MARVELL_PHY_ID_88E1145, MARVELL_PHY_ID_MASK },
4143 	{ MARVELL_PHY_ID_88E1149R, MARVELL_PHY_ID_MASK },
4144 	{ MARVELL_PHY_ID_88E1240, MARVELL_PHY_ID_MASK },
4145 	{ MARVELL_PHY_ID_88E1318S, MARVELL_PHY_ID_MASK },
4146 	{ MARVELL_PHY_ID_88E1116R, MARVELL_PHY_ID_MASK },
4147 	{ MARVELL_PHY_ID_88E1510, MARVELL_PHY_ID_MASK },
4148 	{ MARVELL_PHY_ID_88E1540, MARVELL_PHY_ID_MASK },
4149 	{ MARVELL_PHY_ID_88E1545, MARVELL_PHY_ID_MASK },
4150 	{ MARVELL_PHY_ID_88E3016, MARVELL_PHY_ID_MASK },
4151 	{ MARVELL_PHY_ID_88E6250_FAMILY, MARVELL_PHY_ID_MASK },
4152 	{ MARVELL_PHY_ID_88E6341_FAMILY, MARVELL_PHY_ID_MASK },
4153 	{ MARVELL_PHY_ID_88E6390_FAMILY, MARVELL_PHY_ID_MASK },
4154 	{ MARVELL_PHY_ID_88E6393_FAMILY, MARVELL_PHY_ID_MASK },
4155 	{ MARVELL_PHY_ID_88E1340S, MARVELL_PHY_ID_MASK },
4156 	{ MARVELL_PHY_ID_88E1548P, MARVELL_PHY_ID_MASK },
4157 	{ }
4158 };
4159 
4160 MODULE_DEVICE_TABLE(mdio, marvell_tbl);
4161