Linux Audio

Check our new training course

Embedded Linux training

Mar 10-20, 2025, special US time zones
Register
Loading...
v6.13.7
  1// SPDX-License-Identifier: GPL-2.0+
  2/*
  3 * Copyright (C) 2012 Daniel Schwierzeck <daniel.schwierzeck@googlemail.com>
  4 * Copyright (C) 2016 Hauke Mehrtens <hauke@hauke-m.de>
  5 */
  6
  7#include <linux/mdio.h>
  8#include <linux/module.h>
  9#include <linux/phy.h>
 10#include <linux/of.h>
 11#include <linux/bitfield.h>
 12
 13#define XWAY_MDIO_MIICTRL		0x17	/* mii control */
 14#define XWAY_MDIO_IMASK			0x19	/* interrupt mask */
 15#define XWAY_MDIO_ISTAT			0x1A	/* interrupt status */
 16#define XWAY_MDIO_LED			0x1B	/* led control */
 17
 18#define XWAY_MDIO_MIICTRL_RXSKEW_MASK	GENMASK(14, 12)
 19#define XWAY_MDIO_MIICTRL_TXSKEW_MASK	GENMASK(10, 8)
 20
 21/* bit 15:12 are reserved */
 22#define XWAY_MDIO_LED_LED3_EN		BIT(11)	/* Enable the integrated function of LED3 */
 23#define XWAY_MDIO_LED_LED2_EN		BIT(10)	/* Enable the integrated function of LED2 */
 24#define XWAY_MDIO_LED_LED1_EN		BIT(9)	/* Enable the integrated function of LED1 */
 25#define XWAY_MDIO_LED_LED0_EN		BIT(8)	/* Enable the integrated function of LED0 */
 26/* bit 7:4 are reserved */
 27#define XWAY_MDIO_LED_LED3_DA		BIT(3)	/* Direct Access to LED3 */
 28#define XWAY_MDIO_LED_LED2_DA		BIT(2)	/* Direct Access to LED2 */
 29#define XWAY_MDIO_LED_LED1_DA		BIT(1)	/* Direct Access to LED1 */
 30#define XWAY_MDIO_LED_LED0_DA		BIT(0)	/* Direct Access to LED0 */
 31
 32#define XWAY_MDIO_INIT_WOL		BIT(15)	/* Wake-On-LAN */
 33#define XWAY_MDIO_INIT_MSRE		BIT(14)
 34#define XWAY_MDIO_INIT_NPRX		BIT(13)
 35#define XWAY_MDIO_INIT_NPTX		BIT(12)
 36#define XWAY_MDIO_INIT_ANE		BIT(11)	/* Auto-Neg error */
 37#define XWAY_MDIO_INIT_ANC		BIT(10)	/* Auto-Neg complete */
 38#define XWAY_MDIO_INIT_ADSC		BIT(5)	/* Link auto-downspeed detect */
 39#define XWAY_MDIO_INIT_MPIPC		BIT(4)
 40#define XWAY_MDIO_INIT_MDIXC		BIT(3)
 41#define XWAY_MDIO_INIT_DXMC		BIT(2)	/* Duplex mode change */
 42#define XWAY_MDIO_INIT_LSPC		BIT(1)	/* Link speed change */
 43#define XWAY_MDIO_INIT_LSTC		BIT(0)	/* Link state change */
 44#define XWAY_MDIO_INIT_MASK		(XWAY_MDIO_INIT_LSTC | \
 45					 XWAY_MDIO_INIT_ADSC)
 46
 47#define ADVERTISED_MPD			BIT(10)	/* Multi-port device */
 48
 49/* LED Configuration */
 50#define XWAY_MMD_LEDCH			0x01E0
 51/* Inverse of SCAN Function */
 52#define  XWAY_MMD_LEDCH_NACS_NONE	0x0000
 53#define  XWAY_MMD_LEDCH_NACS_LINK	0x0001
 54#define  XWAY_MMD_LEDCH_NACS_PDOWN	0x0002
 55#define  XWAY_MMD_LEDCH_NACS_EEE	0x0003
 56#define  XWAY_MMD_LEDCH_NACS_ANEG	0x0004
 57#define  XWAY_MMD_LEDCH_NACS_ABIST	0x0005
 58#define  XWAY_MMD_LEDCH_NACS_CDIAG	0x0006
 59#define  XWAY_MMD_LEDCH_NACS_TEST	0x0007
 60/* Slow Blink Frequency */
 61#define  XWAY_MMD_LEDCH_SBF_F02HZ	0x0000
 62#define  XWAY_MMD_LEDCH_SBF_F04HZ	0x0010
 63#define  XWAY_MMD_LEDCH_SBF_F08HZ	0x0020
 64#define  XWAY_MMD_LEDCH_SBF_F16HZ	0x0030
 65/* Fast Blink Frequency */
 66#define  XWAY_MMD_LEDCH_FBF_F02HZ	0x0000
 67#define  XWAY_MMD_LEDCH_FBF_F04HZ	0x0040
 68#define  XWAY_MMD_LEDCH_FBF_F08HZ	0x0080
 69#define  XWAY_MMD_LEDCH_FBF_F16HZ	0x00C0
 70/* LED Configuration */
 71#define XWAY_MMD_LEDCL			0x01E1
 72/* Complex Blinking Configuration */
 73#define  XWAY_MMD_LEDCH_CBLINK_NONE	0x0000
 74#define  XWAY_MMD_LEDCH_CBLINK_LINK	0x0001
 75#define  XWAY_MMD_LEDCH_CBLINK_PDOWN	0x0002
 76#define  XWAY_MMD_LEDCH_CBLINK_EEE	0x0003
 77#define  XWAY_MMD_LEDCH_CBLINK_ANEG	0x0004
 78#define  XWAY_MMD_LEDCH_CBLINK_ABIST	0x0005
 79#define  XWAY_MMD_LEDCH_CBLINK_CDIAG	0x0006
 80#define  XWAY_MMD_LEDCH_CBLINK_TEST	0x0007
 81/* Complex SCAN Configuration */
 82#define  XWAY_MMD_LEDCH_SCAN_NONE	0x0000
 83#define  XWAY_MMD_LEDCH_SCAN_LINK	0x0010
 84#define  XWAY_MMD_LEDCH_SCAN_PDOWN	0x0020
 85#define  XWAY_MMD_LEDCH_SCAN_EEE	0x0030
 86#define  XWAY_MMD_LEDCH_SCAN_ANEG	0x0040
 87#define  XWAY_MMD_LEDCH_SCAN_ABIST	0x0050
 88#define  XWAY_MMD_LEDCH_SCAN_CDIAG	0x0060
 89#define  XWAY_MMD_LEDCH_SCAN_TEST	0x0070
 90/* Configuration for LED Pin x */
 91#define XWAY_MMD_LED0H			0x01E2
 92/* Fast Blinking Configuration */
 93#define  XWAY_MMD_LEDxH_BLINKF_MASK	0x000F
 94#define  XWAY_MMD_LEDxH_BLINKF_NONE	0x0000
 95#define  XWAY_MMD_LEDxH_BLINKF_LINK10	0x0001
 96#define  XWAY_MMD_LEDxH_BLINKF_LINK100	0x0002
 97#define  XWAY_MMD_LEDxH_BLINKF_LINK10X	0x0003
 98#define  XWAY_MMD_LEDxH_BLINKF_LINK1000	0x0004
 99#define  XWAY_MMD_LEDxH_BLINKF_LINK10_0	0x0005
100#define  XWAY_MMD_LEDxH_BLINKF_LINK100X	0x0006
101#define  XWAY_MMD_LEDxH_BLINKF_LINK10XX	0x0007
102#define  XWAY_MMD_LEDxH_BLINKF_PDOWN	0x0008
103#define  XWAY_MMD_LEDxH_BLINKF_EEE	0x0009
104#define  XWAY_MMD_LEDxH_BLINKF_ANEG	0x000A
105#define  XWAY_MMD_LEDxH_BLINKF_ABIST	0x000B
106#define  XWAY_MMD_LEDxH_BLINKF_CDIAG	0x000C
107/* Constant On Configuration */
108#define  XWAY_MMD_LEDxH_CON_MASK	0x00F0
109#define  XWAY_MMD_LEDxH_CON_NONE	0x0000
110#define  XWAY_MMD_LEDxH_CON_LINK10	0x0010
111#define  XWAY_MMD_LEDxH_CON_LINK100	0x0020
112#define  XWAY_MMD_LEDxH_CON_LINK10X	0x0030
113#define  XWAY_MMD_LEDxH_CON_LINK1000	0x0040
114#define  XWAY_MMD_LEDxH_CON_LINK10_0	0x0050
115#define  XWAY_MMD_LEDxH_CON_LINK100X	0x0060
116#define  XWAY_MMD_LEDxH_CON_LINK10XX	0x0070
117#define  XWAY_MMD_LEDxH_CON_PDOWN	0x0080
118#define  XWAY_MMD_LEDxH_CON_EEE		0x0090
119#define  XWAY_MMD_LEDxH_CON_ANEG	0x00A0
120#define  XWAY_MMD_LEDxH_CON_ABIST	0x00B0
121#define  XWAY_MMD_LEDxH_CON_CDIAG	0x00C0
122#define  XWAY_MMD_LEDxH_CON_COPPER	0x00D0
123#define  XWAY_MMD_LEDxH_CON_FIBER	0x00E0
124/* Configuration for LED Pin x */
125#define XWAY_MMD_LED0L			0x01E3
126/* Pulsing Configuration */
127#define  XWAY_MMD_LEDxL_PULSE_MASK	0x000F
128#define  XWAY_MMD_LEDxL_PULSE_NONE	0x0000
129#define  XWAY_MMD_LEDxL_PULSE_TXACT	0x0001
130#define  XWAY_MMD_LEDxL_PULSE_RXACT	0x0002
131#define  XWAY_MMD_LEDxL_PULSE_COL	0x0004
132/* Slow Blinking Configuration */
133#define  XWAY_MMD_LEDxL_BLINKS_MASK	0x00F0
134#define  XWAY_MMD_LEDxL_BLINKS_NONE	0x0000
135#define  XWAY_MMD_LEDxL_BLINKS_LINK10	0x0010
136#define  XWAY_MMD_LEDxL_BLINKS_LINK100	0x0020
137#define  XWAY_MMD_LEDxL_BLINKS_LINK10X	0x0030
138#define  XWAY_MMD_LEDxL_BLINKS_LINK1000	0x0040
139#define  XWAY_MMD_LEDxL_BLINKS_LINK10_0	0x0050
140#define  XWAY_MMD_LEDxL_BLINKS_LINK100X	0x0060
141#define  XWAY_MMD_LEDxL_BLINKS_LINK10XX	0x0070
142#define  XWAY_MMD_LEDxL_BLINKS_PDOWN	0x0080
143#define  XWAY_MMD_LEDxL_BLINKS_EEE	0x0090
144#define  XWAY_MMD_LEDxL_BLINKS_ANEG	0x00A0
145#define  XWAY_MMD_LEDxL_BLINKS_ABIST	0x00B0
146#define  XWAY_MMD_LEDxL_BLINKS_CDIAG	0x00C0
147#define XWAY_MMD_LED1H			0x01E4
148#define XWAY_MMD_LED1L			0x01E5
149#define XWAY_MMD_LED2H			0x01E6
150#define XWAY_MMD_LED2L			0x01E7
151#define XWAY_MMD_LED3H			0x01E8
152#define XWAY_MMD_LED3L			0x01E9
153
154#define XWAY_GPHY_MAX_LEDS		3
155#define XWAY_GPHY_LED_INV(idx)		BIT(12 + (idx))
156#define XWAY_GPHY_LED_EN(idx)		BIT(8 + (idx))
157#define XWAY_GPHY_LED_DA(idx)		BIT(idx)
158#define XWAY_MMD_LEDxH(idx)		(XWAY_MMD_LED0H + 2 * (idx))
159#define XWAY_MMD_LEDxL(idx)		(XWAY_MMD_LED0L + 2 * (idx))
160
161#define PHY_ID_PHY11G_1_3		0x030260D1
162#define PHY_ID_PHY22F_1_3		0x030260E1
163#define PHY_ID_PHY11G_1_4		0xD565A400
164#define PHY_ID_PHY22F_1_4		0xD565A410
165#define PHY_ID_PHY11G_1_5		0xD565A401
166#define PHY_ID_PHY22F_1_5		0xD565A411
167#define PHY_ID_PHY11G_VR9_1_1		0xD565A408
168#define PHY_ID_PHY22F_VR9_1_1		0xD565A418
169#define PHY_ID_PHY11G_VR9_1_2		0xD565A409
170#define PHY_ID_PHY22F_VR9_1_2		0xD565A419
171
172static const int xway_internal_delay[] = {0, 500, 1000, 1500, 2000, 2500,
173					 3000, 3500};
174
175static int xway_gphy_rgmii_init(struct phy_device *phydev)
176{
177	struct device *dev = &phydev->mdio.dev;
178	unsigned int delay_size = ARRAY_SIZE(xway_internal_delay);
179	s32 int_delay;
180	int val = 0;
181
182	if (!phy_interface_is_rgmii(phydev))
183		return 0;
184
185	/* Existing behavior was to use default pin strapping delay in rgmii
186	 * mode, but rgmii should have meant no delay.  Warn existing users,
187	 * but do not change anything at the moment.
188	 */
189	if (phydev->interface == PHY_INTERFACE_MODE_RGMII) {
190		u16 txskew, rxskew;
191
192		val = phy_read(phydev, XWAY_MDIO_MIICTRL);
193		if (val < 0)
194			return val;
195
196		txskew = FIELD_GET(XWAY_MDIO_MIICTRL_TXSKEW_MASK, val);
197		rxskew = FIELD_GET(XWAY_MDIO_MIICTRL_RXSKEW_MASK, val);
198
199		if (txskew > 0 || rxskew > 0)
200			phydev_warn(phydev,
201				    "PHY has delays (e.g. via pin strapping), but phy-mode = 'rgmii'\n"
202				    "Should be 'rgmii-id' to use internal delays txskew:%d ps rxskew:%d ps\n",
203				    xway_internal_delay[txskew],
204				    xway_internal_delay[rxskew]);
205		return 0;
206	}
207
208	if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID ||
209	    phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) {
210		int_delay = phy_get_internal_delay(phydev, dev,
211						   xway_internal_delay,
212						   delay_size, true);
213
214		/* if rx-internal-delay-ps is missing, use default of 2.0 ns */
215		if (int_delay < 0)
216			int_delay = 4; /* 2000 ps */
217
218		val |= FIELD_PREP(XWAY_MDIO_MIICTRL_RXSKEW_MASK, int_delay);
219	}
220
221	if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID ||
222	    phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) {
223		int_delay = phy_get_internal_delay(phydev, dev,
224						   xway_internal_delay,
225						   delay_size, false);
226
227		/* if tx-internal-delay-ps is missing, use default of 2.0 ns */
228		if (int_delay < 0)
229			int_delay = 4; /* 2000 ps */
230
231		val |= FIELD_PREP(XWAY_MDIO_MIICTRL_TXSKEW_MASK, int_delay);
232	}
233
234	return phy_modify(phydev, XWAY_MDIO_MIICTRL,
235			  XWAY_MDIO_MIICTRL_RXSKEW_MASK |
236			  XWAY_MDIO_MIICTRL_TXSKEW_MASK, val);
237}
238
239static int xway_gphy_init_leds(struct phy_device *phydev)
240{
241	int err;
242	u32 ledxh;
243	u32 ledxl;
244
245	/* Ensure that integrated led function is enabled for all leds */
246	err = phy_write(phydev, XWAY_MDIO_LED,
247			XWAY_MDIO_LED_LED0_EN |
248			XWAY_MDIO_LED_LED1_EN |
249			XWAY_MDIO_LED_LED2_EN |
250			XWAY_MDIO_LED_LED3_EN);
251	if (err)
252		return err;
253
 
 
 
254	phy_write_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LEDCH,
255		      XWAY_MMD_LEDCH_NACS_NONE |
256		      XWAY_MMD_LEDCH_SBF_F02HZ |
257		      XWAY_MMD_LEDCH_FBF_F16HZ);
258	phy_write_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LEDCL,
259		      XWAY_MMD_LEDCH_CBLINK_NONE |
260		      XWAY_MMD_LEDCH_SCAN_NONE);
261
262	/**
263	 * In most cases only one LED is connected to this phy, so
264	 * configure them all to constant on and pulse mode. LED3 is
265	 * only available in some packages, leave it in its reset
266	 * configuration.
267	 */
268	ledxh = XWAY_MMD_LEDxH_BLINKF_NONE | XWAY_MMD_LEDxH_CON_LINK10XX;
269	ledxl = XWAY_MMD_LEDxL_PULSE_TXACT | XWAY_MMD_LEDxL_PULSE_RXACT |
270		XWAY_MMD_LEDxL_BLINKS_NONE;
271	phy_write_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LED0H, ledxh);
272	phy_write_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LED0L, ledxl);
273	phy_write_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LED1H, ledxh);
274	phy_write_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LED1L, ledxl);
275	phy_write_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LED2H, ledxh);
276	phy_write_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LED2L, ledxl);
277
278	return 0;
279}
280
281static int xway_gphy_config_init(struct phy_device *phydev)
282{
283	struct device_node *np = phydev->mdio.dev.of_node;
284	int err;
285
286	/* Mask all interrupts */
287	err = phy_write(phydev, XWAY_MDIO_IMASK, 0);
288	if (err)
289		return err;
290
291	/* Use default LED configuration if 'leds' node isn't defined */
292	if (!of_get_child_by_name(np, "leds"))
293		xway_gphy_init_leds(phydev);
294
295	/* Clear all pending interrupts */
296	phy_read(phydev, XWAY_MDIO_ISTAT);
297
298	err = xway_gphy_rgmii_init(phydev);
299	if (err)
300		return err;
301
302	return 0;
303}
304
305static int xway_gphy14_config_aneg(struct phy_device *phydev)
306{
307	int reg, err;
308
309	/* Advertise as multi-port device, see IEEE802.3-2002 40.5.1.1 */
310	/* This is a workaround for an errata in rev < 1.5 devices */
311	reg = phy_read(phydev, MII_CTRL1000);
312	reg |= ADVERTISED_MPD;
313	err = phy_write(phydev, MII_CTRL1000, reg);
314	if (err)
315		return err;
316
317	return genphy_config_aneg(phydev);
318}
319
320static int xway_gphy_ack_interrupt(struct phy_device *phydev)
321{
322	int reg;
323
324	reg = phy_read(phydev, XWAY_MDIO_ISTAT);
325	return (reg < 0) ? reg : 0;
326}
327
328static int xway_gphy_config_intr(struct phy_device *phydev)
329{
330	u16 mask = 0;
331	int err;
332
333	if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
334		err = xway_gphy_ack_interrupt(phydev);
335		if (err)
336			return err;
337
338		mask = XWAY_MDIO_INIT_MASK;
339		err = phy_write(phydev, XWAY_MDIO_IMASK, mask);
340	} else {
341		err = phy_write(phydev, XWAY_MDIO_IMASK, mask);
342		if (err)
343			return err;
344
345		err = xway_gphy_ack_interrupt(phydev);
346	}
347
348	return err;
349}
350
351static irqreturn_t xway_gphy_handle_interrupt(struct phy_device *phydev)
352{
353	int irq_status;
354
355	irq_status = phy_read(phydev, XWAY_MDIO_ISTAT);
356	if (irq_status < 0) {
357		phy_error(phydev);
358		return IRQ_NONE;
359	}
360
361	if (!(irq_status & XWAY_MDIO_INIT_MASK))
362		return IRQ_NONE;
363
364	phy_trigger_machine(phydev);
365
366	return IRQ_HANDLED;
367}
368
369static int xway_gphy_led_brightness_set(struct phy_device *phydev,
370					u8 index, enum led_brightness value)
371{
372	int ret;
373
374	if (index >= XWAY_GPHY_MAX_LEDS)
375		return -EINVAL;
376
377	/* clear EN and set manual LED state */
378	ret = phy_modify(phydev, XWAY_MDIO_LED,
379			 ((value == LED_OFF) ? XWAY_GPHY_LED_EN(index) : 0) |
380			 XWAY_GPHY_LED_DA(index),
381			 (value == LED_OFF) ? 0 : XWAY_GPHY_LED_DA(index));
382	if (ret)
383		return ret;
384
385	/* clear HW LED setup */
386	if (value == LED_OFF) {
387		ret = phy_write_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LEDxH(index), 0);
388		if (ret)
389			return ret;
390
391		return phy_write_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LEDxL(index), 0);
392	} else {
393		return 0;
394	}
395}
396
397static const unsigned long supported_triggers = (BIT(TRIGGER_NETDEV_LINK) |
398						 BIT(TRIGGER_NETDEV_LINK_10) |
399						 BIT(TRIGGER_NETDEV_LINK_100) |
400						 BIT(TRIGGER_NETDEV_LINK_1000) |
401						 BIT(TRIGGER_NETDEV_RX) |
402						 BIT(TRIGGER_NETDEV_TX));
403
404static int xway_gphy_led_hw_is_supported(struct phy_device *phydev, u8 index,
405					 unsigned long rules)
406{
407	if (index >= XWAY_GPHY_MAX_LEDS)
408		return -EINVAL;
409
410	/* activity triggers are not possible without combination with a link
411	 * trigger.
412	 */
413	if (rules & (BIT(TRIGGER_NETDEV_RX) | BIT(TRIGGER_NETDEV_TX)) &&
414	    !(rules & (BIT(TRIGGER_NETDEV_LINK) |
415		       BIT(TRIGGER_NETDEV_LINK_10) |
416		       BIT(TRIGGER_NETDEV_LINK_100) |
417		       BIT(TRIGGER_NETDEV_LINK_1000))))
418		return -EOPNOTSUPP;
419
420	/* All other combinations of the supported triggers are allowed */
421	if (rules & ~supported_triggers)
422		return -EOPNOTSUPP;
423
424	return 0;
425}
426
427static int xway_gphy_led_hw_control_get(struct phy_device *phydev, u8 index,
428					unsigned long *rules)
429{
430	int lval, hval;
431
432	if (index >= XWAY_GPHY_MAX_LEDS)
433		return -EINVAL;
434
435	hval = phy_read_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LEDxH(index));
436	if (hval < 0)
437		return hval;
438
439	lval = phy_read_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LEDxL(index));
440	if (lval < 0)
441		return lval;
442
443	if (hval & XWAY_MMD_LEDxH_CON_LINK10)
444		*rules |= BIT(TRIGGER_NETDEV_LINK_10);
445
446	if (hval & XWAY_MMD_LEDxH_CON_LINK100)
447		*rules |= BIT(TRIGGER_NETDEV_LINK_100);
448
449	if (hval & XWAY_MMD_LEDxH_CON_LINK1000)
450		*rules |= BIT(TRIGGER_NETDEV_LINK_1000);
451
452	if ((hval & XWAY_MMD_LEDxH_CON_LINK10) &&
453	    (hval & XWAY_MMD_LEDxH_CON_LINK100) &&
454	    (hval & XWAY_MMD_LEDxH_CON_LINK1000))
455		*rules |= BIT(TRIGGER_NETDEV_LINK);
456
457	if (lval & XWAY_MMD_LEDxL_PULSE_TXACT)
458		*rules |= BIT(TRIGGER_NETDEV_TX);
459
460	if (lval & XWAY_MMD_LEDxL_PULSE_RXACT)
461		*rules |= BIT(TRIGGER_NETDEV_RX);
462
463	return 0;
464}
465
466static int xway_gphy_led_hw_control_set(struct phy_device *phydev, u8 index,
467					unsigned long rules)
468{
469	u16 hval = 0, lval = 0;
470	int ret;
471
472	if (index >= XWAY_GPHY_MAX_LEDS)
473		return -EINVAL;
474
475	if (rules & BIT(TRIGGER_NETDEV_LINK) ||
476	    rules & BIT(TRIGGER_NETDEV_LINK_10))
477		hval |= XWAY_MMD_LEDxH_CON_LINK10;
478
479	if (rules & BIT(TRIGGER_NETDEV_LINK) ||
480	    rules & BIT(TRIGGER_NETDEV_LINK_100))
481		hval |= XWAY_MMD_LEDxH_CON_LINK100;
482
483	if (rules & BIT(TRIGGER_NETDEV_LINK) ||
484	    rules & BIT(TRIGGER_NETDEV_LINK_1000))
485		hval |= XWAY_MMD_LEDxH_CON_LINK1000;
486
487	if (rules & BIT(TRIGGER_NETDEV_TX))
488		lval |= XWAY_MMD_LEDxL_PULSE_TXACT;
489
490	if (rules & BIT(TRIGGER_NETDEV_RX))
491		lval |= XWAY_MMD_LEDxL_PULSE_RXACT;
492
493	ret = phy_write_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LEDxH(index), hval);
494	if (ret)
495		return ret;
496
497	ret = phy_write_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LEDxL(index), lval);
498	if (ret)
499		return ret;
500
501	return phy_set_bits(phydev, XWAY_MDIO_LED, XWAY_GPHY_LED_EN(index));
 
502}
503
504static int xway_gphy_led_polarity_set(struct phy_device *phydev, int index,
505				      unsigned long modes)
506{
507	bool force_active_low = false, force_active_high = false;
508	u32 mode;
509
510	if (index >= XWAY_GPHY_MAX_LEDS)
511		return -EINVAL;
512
513	for_each_set_bit(mode, &modes, __PHY_LED_MODES_NUM) {
514		switch (mode) {
515		case PHY_LED_ACTIVE_LOW:
516			force_active_low = true;
517			break;
518		case PHY_LED_ACTIVE_HIGH:
519			force_active_high = true;
520			break;
521		default:
522			return -EINVAL;
523		}
524	}
525
526	if (force_active_low)
527		return phy_set_bits(phydev, XWAY_MDIO_LED, XWAY_GPHY_LED_INV(index));
528
529	if (force_active_high)
530		return phy_clear_bits(phydev, XWAY_MDIO_LED, XWAY_GPHY_LED_INV(index));
531
532	return -EINVAL;
533}
534
535static struct phy_driver xway_gphy[] = {
536	{
537		.phy_id		= PHY_ID_PHY11G_1_3,
538		.phy_id_mask	= 0xffffffff,
539		.name		= "Intel XWAY PHY11G (PEF 7071/PEF 7072) v1.3",
540		/* PHY_GBIT_FEATURES */
541		.config_init	= xway_gphy_config_init,
542		.config_aneg	= xway_gphy14_config_aneg,
543		.handle_interrupt = xway_gphy_handle_interrupt,
 
544		.config_intr	= xway_gphy_config_intr,
545		.suspend	= genphy_suspend,
546		.resume		= genphy_resume,
547		.led_brightness_set = xway_gphy_led_brightness_set,
548		.led_hw_is_supported = xway_gphy_led_hw_is_supported,
549		.led_hw_control_get = xway_gphy_led_hw_control_get,
550		.led_hw_control_set = xway_gphy_led_hw_control_set,
551		.led_polarity_set = xway_gphy_led_polarity_set,
552	}, {
553		.phy_id		= PHY_ID_PHY22F_1_3,
554		.phy_id_mask	= 0xffffffff,
555		.name		= "Intel XWAY PHY22F (PEF 7061) v1.3",
556		/* PHY_BASIC_FEATURES */
557		.config_init	= xway_gphy_config_init,
558		.config_aneg	= xway_gphy14_config_aneg,
559		.handle_interrupt = xway_gphy_handle_interrupt,
 
560		.config_intr	= xway_gphy_config_intr,
561		.suspend	= genphy_suspend,
562		.resume		= genphy_resume,
563		.led_brightness_set = xway_gphy_led_brightness_set,
564		.led_hw_is_supported = xway_gphy_led_hw_is_supported,
565		.led_hw_control_get = xway_gphy_led_hw_control_get,
566		.led_hw_control_set = xway_gphy_led_hw_control_set,
567		.led_polarity_set = xway_gphy_led_polarity_set,
568	}, {
569		.phy_id		= PHY_ID_PHY11G_1_4,
570		.phy_id_mask	= 0xffffffff,
571		.name		= "Intel XWAY PHY11G (PEF 7071/PEF 7072) v1.4",
572		/* PHY_GBIT_FEATURES */
573		.config_init	= xway_gphy_config_init,
574		.config_aneg	= xway_gphy14_config_aneg,
575		.handle_interrupt = xway_gphy_handle_interrupt,
 
576		.config_intr	= xway_gphy_config_intr,
577		.suspend	= genphy_suspend,
578		.resume		= genphy_resume,
579		.led_brightness_set = xway_gphy_led_brightness_set,
580		.led_hw_is_supported = xway_gphy_led_hw_is_supported,
581		.led_hw_control_get = xway_gphy_led_hw_control_get,
582		.led_hw_control_set = xway_gphy_led_hw_control_set,
583		.led_polarity_set = xway_gphy_led_polarity_set,
584	}, {
585		.phy_id		= PHY_ID_PHY22F_1_4,
586		.phy_id_mask	= 0xffffffff,
587		.name		= "Intel XWAY PHY22F (PEF 7061) v1.4",
588		/* PHY_BASIC_FEATURES */
589		.config_init	= xway_gphy_config_init,
590		.config_aneg	= xway_gphy14_config_aneg,
591		.handle_interrupt = xway_gphy_handle_interrupt,
 
592		.config_intr	= xway_gphy_config_intr,
593		.suspend	= genphy_suspend,
594		.resume		= genphy_resume,
595		.led_brightness_set = xway_gphy_led_brightness_set,
596		.led_hw_is_supported = xway_gphy_led_hw_is_supported,
597		.led_hw_control_get = xway_gphy_led_hw_control_get,
598		.led_hw_control_set = xway_gphy_led_hw_control_set,
599		.led_polarity_set = xway_gphy_led_polarity_set,
600	}, {
601		.phy_id		= PHY_ID_PHY11G_1_5,
602		.phy_id_mask	= 0xffffffff,
603		.name		= "Intel XWAY PHY11G (PEF 7071/PEF 7072) v1.5 / v1.6",
604		/* PHY_GBIT_FEATURES */
605		.config_init	= xway_gphy_config_init,
606		.handle_interrupt = xway_gphy_handle_interrupt,
 
607		.config_intr	= xway_gphy_config_intr,
608		.suspend	= genphy_suspend,
609		.resume		= genphy_resume,
610		.led_brightness_set = xway_gphy_led_brightness_set,
611		.led_hw_is_supported = xway_gphy_led_hw_is_supported,
612		.led_hw_control_get = xway_gphy_led_hw_control_get,
613		.led_hw_control_set = xway_gphy_led_hw_control_set,
614		.led_polarity_set = xway_gphy_led_polarity_set,
615	}, {
616		.phy_id		= PHY_ID_PHY22F_1_5,
617		.phy_id_mask	= 0xffffffff,
618		.name		= "Intel XWAY PHY22F (PEF 7061) v1.5 / v1.6",
619		/* PHY_BASIC_FEATURES */
620		.config_init	= xway_gphy_config_init,
621		.handle_interrupt = xway_gphy_handle_interrupt,
 
622		.config_intr	= xway_gphy_config_intr,
623		.suspend	= genphy_suspend,
624		.resume		= genphy_resume,
625		.led_brightness_set = xway_gphy_led_brightness_set,
626		.led_hw_is_supported = xway_gphy_led_hw_is_supported,
627		.led_hw_control_get = xway_gphy_led_hw_control_get,
628		.led_hw_control_set = xway_gphy_led_hw_control_set,
629		.led_polarity_set = xway_gphy_led_polarity_set,
630	}, {
631		.phy_id		= PHY_ID_PHY11G_VR9_1_1,
632		.phy_id_mask	= 0xffffffff,
633		.name		= "Intel XWAY PHY11G (xRX v1.1 integrated)",
634		/* PHY_GBIT_FEATURES */
635		.config_init	= xway_gphy_config_init,
636		.handle_interrupt = xway_gphy_handle_interrupt,
 
637		.config_intr	= xway_gphy_config_intr,
638		.suspend	= genphy_suspend,
639		.resume		= genphy_resume,
640		.led_brightness_set = xway_gphy_led_brightness_set,
641		.led_hw_is_supported = xway_gphy_led_hw_is_supported,
642		.led_hw_control_get = xway_gphy_led_hw_control_get,
643		.led_hw_control_set = xway_gphy_led_hw_control_set,
644		.led_polarity_set = xway_gphy_led_polarity_set,
645	}, {
646		.phy_id		= PHY_ID_PHY22F_VR9_1_1,
647		.phy_id_mask	= 0xffffffff,
648		.name		= "Intel XWAY PHY22F (xRX v1.1 integrated)",
649		/* PHY_BASIC_FEATURES */
650		.config_init	= xway_gphy_config_init,
651		.handle_interrupt = xway_gphy_handle_interrupt,
 
652		.config_intr	= xway_gphy_config_intr,
653		.suspend	= genphy_suspend,
654		.resume		= genphy_resume,
655		.led_brightness_set = xway_gphy_led_brightness_set,
656		.led_hw_is_supported = xway_gphy_led_hw_is_supported,
657		.led_hw_control_get = xway_gphy_led_hw_control_get,
658		.led_hw_control_set = xway_gphy_led_hw_control_set,
659		.led_polarity_set = xway_gphy_led_polarity_set,
660	}, {
661		.phy_id		= PHY_ID_PHY11G_VR9_1_2,
662		.phy_id_mask	= 0xffffffff,
663		.name		= "Intel XWAY PHY11G (xRX v1.2 integrated)",
664		/* PHY_GBIT_FEATURES */
665		.config_init	= xway_gphy_config_init,
666		.handle_interrupt = xway_gphy_handle_interrupt,
 
667		.config_intr	= xway_gphy_config_intr,
668		.suspend	= genphy_suspend,
669		.resume		= genphy_resume,
670		.led_brightness_set = xway_gphy_led_brightness_set,
671		.led_hw_is_supported = xway_gphy_led_hw_is_supported,
672		.led_hw_control_get = xway_gphy_led_hw_control_get,
673		.led_hw_control_set = xway_gphy_led_hw_control_set,
674		.led_polarity_set = xway_gphy_led_polarity_set,
675	}, {
676		.phy_id		= PHY_ID_PHY22F_VR9_1_2,
677		.phy_id_mask	= 0xffffffff,
678		.name		= "Intel XWAY PHY22F (xRX v1.2 integrated)",
679		/* PHY_BASIC_FEATURES */
680		.config_init	= xway_gphy_config_init,
681		.handle_interrupt = xway_gphy_handle_interrupt,
 
682		.config_intr	= xway_gphy_config_intr,
683		.suspend	= genphy_suspend,
684		.resume		= genphy_resume,
685		.led_brightness_set = xway_gphy_led_brightness_set,
686		.led_hw_is_supported = xway_gphy_led_hw_is_supported,
687		.led_hw_control_get = xway_gphy_led_hw_control_get,
688		.led_hw_control_set = xway_gphy_led_hw_control_set,
689		.led_polarity_set = xway_gphy_led_polarity_set,
690	},
691};
692module_phy_driver(xway_gphy);
693
694static struct mdio_device_id __maybe_unused xway_gphy_tbl[] = {
695	{ PHY_ID_PHY11G_1_3, 0xffffffff },
696	{ PHY_ID_PHY22F_1_3, 0xffffffff },
697	{ PHY_ID_PHY11G_1_4, 0xffffffff },
698	{ PHY_ID_PHY22F_1_4, 0xffffffff },
699	{ PHY_ID_PHY11G_1_5, 0xffffffff },
700	{ PHY_ID_PHY22F_1_5, 0xffffffff },
701	{ PHY_ID_PHY11G_VR9_1_1, 0xffffffff },
702	{ PHY_ID_PHY22F_VR9_1_1, 0xffffffff },
703	{ PHY_ID_PHY11G_VR9_1_2, 0xffffffff },
704	{ PHY_ID_PHY22F_VR9_1_2, 0xffffffff },
705	{ }
706};
707MODULE_DEVICE_TABLE(mdio, xway_gphy_tbl);
708
709MODULE_DESCRIPTION("Intel XWAY PHY driver");
710MODULE_LICENSE("GPL");
v5.4
  1// SPDX-License-Identifier: GPL-2.0+
  2/*
  3 * Copyright (C) 2012 Daniel Schwierzeck <daniel.schwierzeck@googlemail.com>
  4 * Copyright (C) 2016 Hauke Mehrtens <hauke@hauke-m.de>
  5 */
  6
  7#include <linux/mdio.h>
  8#include <linux/module.h>
  9#include <linux/phy.h>
 10#include <linux/of.h>
 
 11
 
 12#define XWAY_MDIO_IMASK			0x19	/* interrupt mask */
 13#define XWAY_MDIO_ISTAT			0x1A	/* interrupt status */
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 14
 15#define XWAY_MDIO_INIT_WOL		BIT(15)	/* Wake-On-LAN */
 16#define XWAY_MDIO_INIT_MSRE		BIT(14)
 17#define XWAY_MDIO_INIT_NPRX		BIT(13)
 18#define XWAY_MDIO_INIT_NPTX		BIT(12)
 19#define XWAY_MDIO_INIT_ANE		BIT(11)	/* Auto-Neg error */
 20#define XWAY_MDIO_INIT_ANC		BIT(10)	/* Auto-Neg complete */
 21#define XWAY_MDIO_INIT_ADSC		BIT(5)	/* Link auto-downspeed detect */
 22#define XWAY_MDIO_INIT_MPIPC		BIT(4)
 23#define XWAY_MDIO_INIT_MDIXC		BIT(3)
 24#define XWAY_MDIO_INIT_DXMC		BIT(2)	/* Duplex mode change */
 25#define XWAY_MDIO_INIT_LSPC		BIT(1)	/* Link speed change */
 26#define XWAY_MDIO_INIT_LSTC		BIT(0)	/* Link state change */
 27#define XWAY_MDIO_INIT_MASK		(XWAY_MDIO_INIT_LSTC | \
 28					 XWAY_MDIO_INIT_ADSC)
 29
 30#define ADVERTISED_MPD			BIT(10)	/* Multi-port device */
 31
 32/* LED Configuration */
 33#define XWAY_MMD_LEDCH			0x01E0
 34/* Inverse of SCAN Function */
 35#define  XWAY_MMD_LEDCH_NACS_NONE	0x0000
 36#define  XWAY_MMD_LEDCH_NACS_LINK	0x0001
 37#define  XWAY_MMD_LEDCH_NACS_PDOWN	0x0002
 38#define  XWAY_MMD_LEDCH_NACS_EEE	0x0003
 39#define  XWAY_MMD_LEDCH_NACS_ANEG	0x0004
 40#define  XWAY_MMD_LEDCH_NACS_ABIST	0x0005
 41#define  XWAY_MMD_LEDCH_NACS_CDIAG	0x0006
 42#define  XWAY_MMD_LEDCH_NACS_TEST	0x0007
 43/* Slow Blink Frequency */
 44#define  XWAY_MMD_LEDCH_SBF_F02HZ	0x0000
 45#define  XWAY_MMD_LEDCH_SBF_F04HZ	0x0010
 46#define  XWAY_MMD_LEDCH_SBF_F08HZ	0x0020
 47#define  XWAY_MMD_LEDCH_SBF_F16HZ	0x0030
 48/* Fast Blink Frequency */
 49#define  XWAY_MMD_LEDCH_FBF_F02HZ	0x0000
 50#define  XWAY_MMD_LEDCH_FBF_F04HZ	0x0040
 51#define  XWAY_MMD_LEDCH_FBF_F08HZ	0x0080
 52#define  XWAY_MMD_LEDCH_FBF_F16HZ	0x00C0
 53/* LED Configuration */
 54#define XWAY_MMD_LEDCL			0x01E1
 55/* Complex Blinking Configuration */
 56#define  XWAY_MMD_LEDCH_CBLINK_NONE	0x0000
 57#define  XWAY_MMD_LEDCH_CBLINK_LINK	0x0001
 58#define  XWAY_MMD_LEDCH_CBLINK_PDOWN	0x0002
 59#define  XWAY_MMD_LEDCH_CBLINK_EEE	0x0003
 60#define  XWAY_MMD_LEDCH_CBLINK_ANEG	0x0004
 61#define  XWAY_MMD_LEDCH_CBLINK_ABIST	0x0005
 62#define  XWAY_MMD_LEDCH_CBLINK_CDIAG	0x0006
 63#define  XWAY_MMD_LEDCH_CBLINK_TEST	0x0007
 64/* Complex SCAN Configuration */
 65#define  XWAY_MMD_LEDCH_SCAN_NONE	0x0000
 66#define  XWAY_MMD_LEDCH_SCAN_LINK	0x0010
 67#define  XWAY_MMD_LEDCH_SCAN_PDOWN	0x0020
 68#define  XWAY_MMD_LEDCH_SCAN_EEE	0x0030
 69#define  XWAY_MMD_LEDCH_SCAN_ANEG	0x0040
 70#define  XWAY_MMD_LEDCH_SCAN_ABIST	0x0050
 71#define  XWAY_MMD_LEDCH_SCAN_CDIAG	0x0060
 72#define  XWAY_MMD_LEDCH_SCAN_TEST	0x0070
 73/* Configuration for LED Pin x */
 74#define XWAY_MMD_LED0H			0x01E2
 75/* Fast Blinking Configuration */
 76#define  XWAY_MMD_LEDxH_BLINKF_MASK	0x000F
 77#define  XWAY_MMD_LEDxH_BLINKF_NONE	0x0000
 78#define  XWAY_MMD_LEDxH_BLINKF_LINK10	0x0001
 79#define  XWAY_MMD_LEDxH_BLINKF_LINK100	0x0002
 80#define  XWAY_MMD_LEDxH_BLINKF_LINK10X	0x0003
 81#define  XWAY_MMD_LEDxH_BLINKF_LINK1000	0x0004
 82#define  XWAY_MMD_LEDxH_BLINKF_LINK10_0	0x0005
 83#define  XWAY_MMD_LEDxH_BLINKF_LINK100X	0x0006
 84#define  XWAY_MMD_LEDxH_BLINKF_LINK10XX	0x0007
 85#define  XWAY_MMD_LEDxH_BLINKF_PDOWN	0x0008
 86#define  XWAY_MMD_LEDxH_BLINKF_EEE	0x0009
 87#define  XWAY_MMD_LEDxH_BLINKF_ANEG	0x000A
 88#define  XWAY_MMD_LEDxH_BLINKF_ABIST	0x000B
 89#define  XWAY_MMD_LEDxH_BLINKF_CDIAG	0x000C
 90/* Constant On Configuration */
 91#define  XWAY_MMD_LEDxH_CON_MASK	0x00F0
 92#define  XWAY_MMD_LEDxH_CON_NONE	0x0000
 93#define  XWAY_MMD_LEDxH_CON_LINK10	0x0010
 94#define  XWAY_MMD_LEDxH_CON_LINK100	0x0020
 95#define  XWAY_MMD_LEDxH_CON_LINK10X	0x0030
 96#define  XWAY_MMD_LEDxH_CON_LINK1000	0x0040
 97#define  XWAY_MMD_LEDxH_CON_LINK10_0	0x0050
 98#define  XWAY_MMD_LEDxH_CON_LINK100X	0x0060
 99#define  XWAY_MMD_LEDxH_CON_LINK10XX	0x0070
100#define  XWAY_MMD_LEDxH_CON_PDOWN	0x0080
101#define  XWAY_MMD_LEDxH_CON_EEE		0x0090
102#define  XWAY_MMD_LEDxH_CON_ANEG	0x00A0
103#define  XWAY_MMD_LEDxH_CON_ABIST	0x00B0
104#define  XWAY_MMD_LEDxH_CON_CDIAG	0x00C0
105#define  XWAY_MMD_LEDxH_CON_COPPER	0x00D0
106#define  XWAY_MMD_LEDxH_CON_FIBER	0x00E0
107/* Configuration for LED Pin x */
108#define XWAY_MMD_LED0L			0x01E3
109/* Pulsing Configuration */
110#define  XWAY_MMD_LEDxL_PULSE_MASK	0x000F
111#define  XWAY_MMD_LEDxL_PULSE_NONE	0x0000
112#define  XWAY_MMD_LEDxL_PULSE_TXACT	0x0001
113#define  XWAY_MMD_LEDxL_PULSE_RXACT	0x0002
114#define  XWAY_MMD_LEDxL_PULSE_COL	0x0004
115/* Slow Blinking Configuration */
116#define  XWAY_MMD_LEDxL_BLINKS_MASK	0x00F0
117#define  XWAY_MMD_LEDxL_BLINKS_NONE	0x0000
118#define  XWAY_MMD_LEDxL_BLINKS_LINK10	0x0010
119#define  XWAY_MMD_LEDxL_BLINKS_LINK100	0x0020
120#define  XWAY_MMD_LEDxL_BLINKS_LINK10X	0x0030
121#define  XWAY_MMD_LEDxL_BLINKS_LINK1000	0x0040
122#define  XWAY_MMD_LEDxL_BLINKS_LINK10_0	0x0050
123#define  XWAY_MMD_LEDxL_BLINKS_LINK100X	0x0060
124#define  XWAY_MMD_LEDxL_BLINKS_LINK10XX	0x0070
125#define  XWAY_MMD_LEDxL_BLINKS_PDOWN	0x0080
126#define  XWAY_MMD_LEDxL_BLINKS_EEE	0x0090
127#define  XWAY_MMD_LEDxL_BLINKS_ANEG	0x00A0
128#define  XWAY_MMD_LEDxL_BLINKS_ABIST	0x00B0
129#define  XWAY_MMD_LEDxL_BLINKS_CDIAG	0x00C0
130#define XWAY_MMD_LED1H			0x01E4
131#define XWAY_MMD_LED1L			0x01E5
132#define XWAY_MMD_LED2H			0x01E6
133#define XWAY_MMD_LED2L			0x01E7
134#define XWAY_MMD_LED3H			0x01E8
135#define XWAY_MMD_LED3L			0x01E9
136
 
 
 
 
 
 
 
137#define PHY_ID_PHY11G_1_3		0x030260D1
138#define PHY_ID_PHY22F_1_3		0x030260E1
139#define PHY_ID_PHY11G_1_4		0xD565A400
140#define PHY_ID_PHY22F_1_4		0xD565A410
141#define PHY_ID_PHY11G_1_5		0xD565A401
142#define PHY_ID_PHY22F_1_5		0xD565A411
143#define PHY_ID_PHY11G_VR9_1_1		0xD565A408
144#define PHY_ID_PHY22F_VR9_1_1		0xD565A418
145#define PHY_ID_PHY11G_VR9_1_2		0xD565A409
146#define PHY_ID_PHY22F_VR9_1_2		0xD565A419
147
148static int xway_gphy_config_init(struct phy_device *phydev)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
149{
150	int err;
151	u32 ledxh;
152	u32 ledxl;
153
154	/* Mask all interrupts */
155	err = phy_write(phydev, XWAY_MDIO_IMASK, 0);
 
 
 
 
156	if (err)
157		return err;
158
159	/* Clear all pending interrupts */
160	phy_read(phydev, XWAY_MDIO_ISTAT);
161
162	phy_write_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LEDCH,
163		      XWAY_MMD_LEDCH_NACS_NONE |
164		      XWAY_MMD_LEDCH_SBF_F02HZ |
165		      XWAY_MMD_LEDCH_FBF_F16HZ);
166	phy_write_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LEDCL,
167		      XWAY_MMD_LEDCH_CBLINK_NONE |
168		      XWAY_MMD_LEDCH_SCAN_NONE);
169
170	/**
171	 * In most cases only one LED is connected to this phy, so
172	 * configure them all to constant on and pulse mode. LED3 is
173	 * only available in some packages, leave it in its reset
174	 * configuration.
175	 */
176	ledxh = XWAY_MMD_LEDxH_BLINKF_NONE | XWAY_MMD_LEDxH_CON_LINK10XX;
177	ledxl = XWAY_MMD_LEDxL_PULSE_TXACT | XWAY_MMD_LEDxL_PULSE_RXACT |
178		XWAY_MMD_LEDxL_BLINKS_NONE;
179	phy_write_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LED0H, ledxh);
180	phy_write_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LED0L, ledxl);
181	phy_write_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LED1H, ledxh);
182	phy_write_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LED1L, ledxl);
183	phy_write_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LED2H, ledxh);
184	phy_write_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LED2L, ledxl);
185
186	return 0;
187}
188
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
189static int xway_gphy14_config_aneg(struct phy_device *phydev)
190{
191	int reg, err;
192
193	/* Advertise as multi-port device, see IEEE802.3-2002 40.5.1.1 */
194	/* This is a workaround for an errata in rev < 1.5 devices */
195	reg = phy_read(phydev, MII_CTRL1000);
196	reg |= ADVERTISED_MPD;
197	err = phy_write(phydev, MII_CTRL1000, reg);
198	if (err)
199		return err;
200
201	return genphy_config_aneg(phydev);
202}
203
204static int xway_gphy_ack_interrupt(struct phy_device *phydev)
205{
206	int reg;
207
208	reg = phy_read(phydev, XWAY_MDIO_ISTAT);
209	return (reg < 0) ? reg : 0;
210}
211
212static int xway_gphy_did_interrupt(struct phy_device *phydev)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
213{
214	int reg;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
215
216	reg = phy_read(phydev, XWAY_MDIO_ISTAT);
217	return reg & XWAY_MDIO_INIT_MASK;
218}
219
220static int xway_gphy_config_intr(struct phy_device *phydev)
 
221{
222	u16 mask = 0;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
223
224	if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
225		mask = XWAY_MDIO_INIT_MASK;
226
227	return phy_write(phydev, XWAY_MDIO_IMASK, mask);
228}
229
230static struct phy_driver xway_gphy[] = {
231	{
232		.phy_id		= PHY_ID_PHY11G_1_3,
233		.phy_id_mask	= 0xffffffff,
234		.name		= "Intel XWAY PHY11G (PEF 7071/PEF 7072) v1.3",
235		/* PHY_GBIT_FEATURES */
236		.config_init	= xway_gphy_config_init,
237		.config_aneg	= xway_gphy14_config_aneg,
238		.ack_interrupt	= xway_gphy_ack_interrupt,
239		.did_interrupt	= xway_gphy_did_interrupt,
240		.config_intr	= xway_gphy_config_intr,
241		.suspend	= genphy_suspend,
242		.resume		= genphy_resume,
 
 
 
 
 
243	}, {
244		.phy_id		= PHY_ID_PHY22F_1_3,
245		.phy_id_mask	= 0xffffffff,
246		.name		= "Intel XWAY PHY22F (PEF 7061) v1.3",
247		/* PHY_BASIC_FEATURES */
248		.config_init	= xway_gphy_config_init,
249		.config_aneg	= xway_gphy14_config_aneg,
250		.ack_interrupt	= xway_gphy_ack_interrupt,
251		.did_interrupt	= xway_gphy_did_interrupt,
252		.config_intr	= xway_gphy_config_intr,
253		.suspend	= genphy_suspend,
254		.resume		= genphy_resume,
 
 
 
 
 
255	}, {
256		.phy_id		= PHY_ID_PHY11G_1_4,
257		.phy_id_mask	= 0xffffffff,
258		.name		= "Intel XWAY PHY11G (PEF 7071/PEF 7072) v1.4",
259		/* PHY_GBIT_FEATURES */
260		.config_init	= xway_gphy_config_init,
261		.config_aneg	= xway_gphy14_config_aneg,
262		.ack_interrupt	= xway_gphy_ack_interrupt,
263		.did_interrupt	= xway_gphy_did_interrupt,
264		.config_intr	= xway_gphy_config_intr,
265		.suspend	= genphy_suspend,
266		.resume		= genphy_resume,
 
 
 
 
 
267	}, {
268		.phy_id		= PHY_ID_PHY22F_1_4,
269		.phy_id_mask	= 0xffffffff,
270		.name		= "Intel XWAY PHY22F (PEF 7061) v1.4",
271		/* PHY_BASIC_FEATURES */
272		.config_init	= xway_gphy_config_init,
273		.config_aneg	= xway_gphy14_config_aneg,
274		.ack_interrupt	= xway_gphy_ack_interrupt,
275		.did_interrupt	= xway_gphy_did_interrupt,
276		.config_intr	= xway_gphy_config_intr,
277		.suspend	= genphy_suspend,
278		.resume		= genphy_resume,
 
 
 
 
 
279	}, {
280		.phy_id		= PHY_ID_PHY11G_1_5,
281		.phy_id_mask	= 0xffffffff,
282		.name		= "Intel XWAY PHY11G (PEF 7071/PEF 7072) v1.5 / v1.6",
283		/* PHY_GBIT_FEATURES */
284		.config_init	= xway_gphy_config_init,
285		.ack_interrupt	= xway_gphy_ack_interrupt,
286		.did_interrupt	= xway_gphy_did_interrupt,
287		.config_intr	= xway_gphy_config_intr,
288		.suspend	= genphy_suspend,
289		.resume		= genphy_resume,
 
 
 
 
 
290	}, {
291		.phy_id		= PHY_ID_PHY22F_1_5,
292		.phy_id_mask	= 0xffffffff,
293		.name		= "Intel XWAY PHY22F (PEF 7061) v1.5 / v1.6",
294		/* PHY_BASIC_FEATURES */
295		.config_init	= xway_gphy_config_init,
296		.ack_interrupt	= xway_gphy_ack_interrupt,
297		.did_interrupt	= xway_gphy_did_interrupt,
298		.config_intr	= xway_gphy_config_intr,
299		.suspend	= genphy_suspend,
300		.resume		= genphy_resume,
 
 
 
 
 
301	}, {
302		.phy_id		= PHY_ID_PHY11G_VR9_1_1,
303		.phy_id_mask	= 0xffffffff,
304		.name		= "Intel XWAY PHY11G (xRX v1.1 integrated)",
305		/* PHY_GBIT_FEATURES */
306		.config_init	= xway_gphy_config_init,
307		.ack_interrupt	= xway_gphy_ack_interrupt,
308		.did_interrupt	= xway_gphy_did_interrupt,
309		.config_intr	= xway_gphy_config_intr,
310		.suspend	= genphy_suspend,
311		.resume		= genphy_resume,
 
 
 
 
 
312	}, {
313		.phy_id		= PHY_ID_PHY22F_VR9_1_1,
314		.phy_id_mask	= 0xffffffff,
315		.name		= "Intel XWAY PHY22F (xRX v1.1 integrated)",
316		/* PHY_BASIC_FEATURES */
317		.config_init	= xway_gphy_config_init,
318		.ack_interrupt	= xway_gphy_ack_interrupt,
319		.did_interrupt	= xway_gphy_did_interrupt,
320		.config_intr	= xway_gphy_config_intr,
321		.suspend	= genphy_suspend,
322		.resume		= genphy_resume,
 
 
 
 
 
323	}, {
324		.phy_id		= PHY_ID_PHY11G_VR9_1_2,
325		.phy_id_mask	= 0xffffffff,
326		.name		= "Intel XWAY PHY11G (xRX v1.2 integrated)",
327		/* PHY_GBIT_FEATURES */
328		.config_init	= xway_gphy_config_init,
329		.ack_interrupt	= xway_gphy_ack_interrupt,
330		.did_interrupt	= xway_gphy_did_interrupt,
331		.config_intr	= xway_gphy_config_intr,
332		.suspend	= genphy_suspend,
333		.resume		= genphy_resume,
 
 
 
 
 
334	}, {
335		.phy_id		= PHY_ID_PHY22F_VR9_1_2,
336		.phy_id_mask	= 0xffffffff,
337		.name		= "Intel XWAY PHY22F (xRX v1.2 integrated)",
338		/* PHY_BASIC_FEATURES */
339		.config_init	= xway_gphy_config_init,
340		.ack_interrupt	= xway_gphy_ack_interrupt,
341		.did_interrupt	= xway_gphy_did_interrupt,
342		.config_intr	= xway_gphy_config_intr,
343		.suspend	= genphy_suspend,
344		.resume		= genphy_resume,
 
 
 
 
 
345	},
346};
347module_phy_driver(xway_gphy);
348
349static struct mdio_device_id __maybe_unused xway_gphy_tbl[] = {
350	{ PHY_ID_PHY11G_1_3, 0xffffffff },
351	{ PHY_ID_PHY22F_1_3, 0xffffffff },
352	{ PHY_ID_PHY11G_1_4, 0xffffffff },
353	{ PHY_ID_PHY22F_1_4, 0xffffffff },
354	{ PHY_ID_PHY11G_1_5, 0xffffffff },
355	{ PHY_ID_PHY22F_1_5, 0xffffffff },
356	{ PHY_ID_PHY11G_VR9_1_1, 0xffffffff },
357	{ PHY_ID_PHY22F_VR9_1_1, 0xffffffff },
358	{ PHY_ID_PHY11G_VR9_1_2, 0xffffffff },
359	{ PHY_ID_PHY22F_VR9_1_2, 0xffffffff },
360	{ }
361};
362MODULE_DEVICE_TABLE(mdio, xway_gphy_tbl);
363
364MODULE_DESCRIPTION("Intel XWAY PHY driver");
365MODULE_LICENSE("GPL");