xref: /openbmc/linux/drivers/net/usb/asix_devices.c (revision 0be3ff0c)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * ASIX AX8817X based USB 2.0 Ethernet Devices
4  * Copyright (C) 2003-2006 David Hollis <dhollis@davehollis.com>
5  * Copyright (C) 2005 Phil Chang <pchang23@sbcglobal.net>
6  * Copyright (C) 2006 James Painter <jamie.painter@iname.com>
7  * Copyright (c) 2002-2003 TiVo Inc.
8  */
9 
10 #include "asix.h"
11 
12 #define PHY_MODE_MARVELL	0x0000
13 #define MII_MARVELL_LED_CTRL	0x0018
14 #define MII_MARVELL_STATUS	0x001b
15 #define MII_MARVELL_CTRL	0x0014
16 
17 #define MARVELL_LED_MANUAL	0x0019
18 
19 #define MARVELL_STATUS_HWCFG	0x0004
20 
21 #define MARVELL_CTRL_TXDELAY	0x0002
22 #define MARVELL_CTRL_RXDELAY	0x0080
23 
24 #define	PHY_MODE_RTL8211CL	0x000C
25 
26 #define AX88772A_PHY14H		0x14
27 #define AX88772A_PHY14H_DEFAULT 0x442C
28 
29 #define AX88772A_PHY15H		0x15
30 #define AX88772A_PHY15H_DEFAULT 0x03C8
31 
32 #define AX88772A_PHY16H		0x16
33 #define AX88772A_PHY16H_DEFAULT 0x4044
34 
35 struct ax88172_int_data {
36 	__le16 res1;
37 	u8 link;
38 	__le16 res2;
39 	u8 status;
40 	__le16 res3;
41 } __packed;
42 
43 static void asix_status(struct usbnet *dev, struct urb *urb)
44 {
45 	struct ax88172_int_data *event;
46 	int link;
47 
48 	if (urb->actual_length < 8)
49 		return;
50 
51 	event = urb->transfer_buffer;
52 	link = event->link & 0x01;
53 	if (netif_carrier_ok(dev->net) != link) {
54 		usbnet_link_change(dev, link, 1);
55 		netdev_dbg(dev->net, "Link Status is: %d\n", link);
56 	}
57 }
58 
59 static void asix_set_netdev_dev_addr(struct usbnet *dev, u8 *addr)
60 {
61 	if (is_valid_ether_addr(addr)) {
62 		eth_hw_addr_set(dev->net, addr);
63 	} else {
64 		netdev_info(dev->net, "invalid hw address, using random\n");
65 		eth_hw_addr_random(dev->net);
66 	}
67 }
68 
69 /* Get the PHY Identifier from the PHYSID1 & PHYSID2 MII registers */
70 static u32 asix_get_phyid(struct usbnet *dev)
71 {
72 	int phy_reg;
73 	u32 phy_id;
74 	int i;
75 
76 	/* Poll for the rare case the FW or phy isn't ready yet.  */
77 	for (i = 0; i < 100; i++) {
78 		phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID1);
79 		if (phy_reg < 0)
80 			return 0;
81 		if (phy_reg != 0 && phy_reg != 0xFFFF)
82 			break;
83 		mdelay(1);
84 	}
85 
86 	if (phy_reg <= 0 || phy_reg == 0xFFFF)
87 		return 0;
88 
89 	phy_id = (phy_reg & 0xffff) << 16;
90 
91 	phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID2);
92 	if (phy_reg < 0)
93 		return 0;
94 
95 	phy_id |= (phy_reg & 0xffff);
96 
97 	return phy_id;
98 }
99 
100 static u32 asix_get_link(struct net_device *net)
101 {
102 	struct usbnet *dev = netdev_priv(net);
103 
104 	return mii_link_ok(&dev->mii);
105 }
106 
107 static int asix_ioctl (struct net_device *net, struct ifreq *rq, int cmd)
108 {
109 	struct usbnet *dev = netdev_priv(net);
110 
111 	return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
112 }
113 
114 /* We need to override some ethtool_ops so we require our
115    own structure so we don't interfere with other usbnet
116    devices that may be connected at the same time. */
117 static const struct ethtool_ops ax88172_ethtool_ops = {
118 	.get_drvinfo		= asix_get_drvinfo,
119 	.get_link		= asix_get_link,
120 	.get_msglevel		= usbnet_get_msglevel,
121 	.set_msglevel		= usbnet_set_msglevel,
122 	.get_wol		= asix_get_wol,
123 	.set_wol		= asix_set_wol,
124 	.get_eeprom_len		= asix_get_eeprom_len,
125 	.get_eeprom		= asix_get_eeprom,
126 	.set_eeprom		= asix_set_eeprom,
127 	.nway_reset		= usbnet_nway_reset,
128 	.get_link_ksettings	= usbnet_get_link_ksettings_mii,
129 	.set_link_ksettings	= usbnet_set_link_ksettings_mii,
130 };
131 
132 static void ax88172_set_multicast(struct net_device *net)
133 {
134 	struct usbnet *dev = netdev_priv(net);
135 	struct asix_data *data = (struct asix_data *)&dev->data;
136 	u8 rx_ctl = 0x8c;
137 
138 	if (net->flags & IFF_PROMISC) {
139 		rx_ctl |= 0x01;
140 	} else if (net->flags & IFF_ALLMULTI ||
141 		   netdev_mc_count(net) > AX_MAX_MCAST) {
142 		rx_ctl |= 0x02;
143 	} else if (netdev_mc_empty(net)) {
144 		/* just broadcast and directed */
145 	} else {
146 		/* We use the 20 byte dev->data
147 		 * for our 8 byte filter buffer
148 		 * to avoid allocating memory that
149 		 * is tricky to free later */
150 		struct netdev_hw_addr *ha;
151 		u32 crc_bits;
152 
153 		memset(data->multi_filter, 0, AX_MCAST_FILTER_SIZE);
154 
155 		/* Build the multicast hash filter. */
156 		netdev_for_each_mc_addr(ha, net) {
157 			crc_bits = ether_crc(ETH_ALEN, ha->addr) >> 26;
158 			data->multi_filter[crc_bits >> 3] |=
159 			    1 << (crc_bits & 7);
160 		}
161 
162 		asix_write_cmd_async(dev, AX_CMD_WRITE_MULTI_FILTER, 0, 0,
163 				   AX_MCAST_FILTER_SIZE, data->multi_filter);
164 
165 		rx_ctl |= 0x10;
166 	}
167 
168 	asix_write_cmd_async(dev, AX_CMD_WRITE_RX_CTL, rx_ctl, 0, 0, NULL);
169 }
170 
171 static int ax88172_link_reset(struct usbnet *dev)
172 {
173 	u8 mode;
174 	struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
175 
176 	mii_check_media(&dev->mii, 1, 1);
177 	mii_ethtool_gset(&dev->mii, &ecmd);
178 	mode = AX88172_MEDIUM_DEFAULT;
179 
180 	if (ecmd.duplex != DUPLEX_FULL)
181 		mode |= ~AX88172_MEDIUM_FD;
182 
183 	netdev_dbg(dev->net, "ax88172_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
184 		   ethtool_cmd_speed(&ecmd), ecmd.duplex, mode);
185 
186 	asix_write_medium_mode(dev, mode, 0);
187 
188 	return 0;
189 }
190 
191 static const struct net_device_ops ax88172_netdev_ops = {
192 	.ndo_open		= usbnet_open,
193 	.ndo_stop		= usbnet_stop,
194 	.ndo_start_xmit		= usbnet_start_xmit,
195 	.ndo_tx_timeout		= usbnet_tx_timeout,
196 	.ndo_change_mtu		= usbnet_change_mtu,
197 	.ndo_get_stats64	= dev_get_tstats64,
198 	.ndo_set_mac_address 	= eth_mac_addr,
199 	.ndo_validate_addr	= eth_validate_addr,
200 	.ndo_eth_ioctl		= asix_ioctl,
201 	.ndo_set_rx_mode	= ax88172_set_multicast,
202 };
203 
204 static void asix_phy_reset(struct usbnet *dev, unsigned int reset_bits)
205 {
206 	unsigned int timeout = 5000;
207 
208 	asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, reset_bits);
209 
210 	/* give phy_id a chance to process reset */
211 	udelay(500);
212 
213 	/* See IEEE 802.3 "22.2.4.1.1 Reset": 500ms max */
214 	while (timeout--) {
215 		if (asix_mdio_read(dev->net, dev->mii.phy_id, MII_BMCR)
216 							& BMCR_RESET)
217 			udelay(100);
218 		else
219 			return;
220 	}
221 
222 	netdev_err(dev->net, "BMCR_RESET timeout on phy_id %d\n",
223 		   dev->mii.phy_id);
224 }
225 
226 static int ax88172_bind(struct usbnet *dev, struct usb_interface *intf)
227 {
228 	int ret = 0;
229 	u8 buf[ETH_ALEN] = {0};
230 	int i;
231 	unsigned long gpio_bits = dev->driver_info->data;
232 
233 	usbnet_get_endpoints(dev,intf);
234 
235 	/* Toggle the GPIOs in a manufacturer/model specific way */
236 	for (i = 2; i >= 0; i--) {
237 		ret = asix_write_cmd(dev, AX_CMD_WRITE_GPIOS,
238 				(gpio_bits >> (i * 8)) & 0xff, 0, 0, NULL, 0);
239 		if (ret < 0)
240 			goto out;
241 		msleep(5);
242 	}
243 
244 	ret = asix_write_rx_ctl(dev, 0x80, 0);
245 	if (ret < 0)
246 		goto out;
247 
248 	/* Get the MAC address */
249 	ret = asix_read_cmd(dev, AX88172_CMD_READ_NODE_ID,
250 			    0, 0, ETH_ALEN, buf, 0);
251 	if (ret < 0) {
252 		netdev_dbg(dev->net, "read AX_CMD_READ_NODE_ID failed: %d\n",
253 			   ret);
254 		goto out;
255 	}
256 
257 	asix_set_netdev_dev_addr(dev, buf);
258 
259 	/* Initialize MII structure */
260 	dev->mii.dev = dev->net;
261 	dev->mii.mdio_read = asix_mdio_read;
262 	dev->mii.mdio_write = asix_mdio_write;
263 	dev->mii.phy_id_mask = 0x3f;
264 	dev->mii.reg_num_mask = 0x1f;
265 
266 	dev->mii.phy_id = asix_read_phy_addr(dev, true);
267 	if (dev->mii.phy_id < 0)
268 		return dev->mii.phy_id;
269 
270 	dev->net->netdev_ops = &ax88172_netdev_ops;
271 	dev->net->ethtool_ops = &ax88172_ethtool_ops;
272 	dev->net->needed_headroom = 4; /* cf asix_tx_fixup() */
273 	dev->net->needed_tailroom = 4; /* cf asix_tx_fixup() */
274 
275 	asix_phy_reset(dev, BMCR_RESET);
276 	asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
277 		ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
278 	mii_nway_restart(&dev->mii);
279 
280 	return 0;
281 
282 out:
283 	return ret;
284 }
285 
286 static void ax88772_ethtool_get_strings(struct net_device *netdev, u32 sset,
287 					u8 *data)
288 {
289 	switch (sset) {
290 	case ETH_SS_TEST:
291 		net_selftest_get_strings(data);
292 		break;
293 	}
294 }
295 
296 static int ax88772_ethtool_get_sset_count(struct net_device *ndev, int sset)
297 {
298 	switch (sset) {
299 	case ETH_SS_TEST:
300 		return net_selftest_get_count();
301 	default:
302 		return -EOPNOTSUPP;
303 	}
304 }
305 
306 static const struct ethtool_ops ax88772_ethtool_ops = {
307 	.get_drvinfo		= asix_get_drvinfo,
308 	.get_link		= usbnet_get_link,
309 	.get_msglevel		= usbnet_get_msglevel,
310 	.set_msglevel		= usbnet_set_msglevel,
311 	.get_wol		= asix_get_wol,
312 	.set_wol		= asix_set_wol,
313 	.get_eeprom_len		= asix_get_eeprom_len,
314 	.get_eeprom		= asix_get_eeprom,
315 	.set_eeprom		= asix_set_eeprom,
316 	.nway_reset		= phy_ethtool_nway_reset,
317 	.get_link_ksettings	= phy_ethtool_get_link_ksettings,
318 	.set_link_ksettings	= phy_ethtool_set_link_ksettings,
319 	.self_test		= net_selftest,
320 	.get_strings		= ax88772_ethtool_get_strings,
321 	.get_sset_count		= ax88772_ethtool_get_sset_count,
322 };
323 
324 static int ax88772_reset(struct usbnet *dev)
325 {
326 	struct asix_data *data = (struct asix_data *)&dev->data;
327 	struct asix_common_private *priv = dev->driver_priv;
328 	int ret;
329 
330 	/* Rewrite MAC address */
331 	ether_addr_copy(data->mac_addr, dev->net->dev_addr);
332 	ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0,
333 			     ETH_ALEN, data->mac_addr, 0);
334 	if (ret < 0)
335 		goto out;
336 
337 	/* Set RX_CTL to default values with 2k buffer, and enable cactus */
338 	ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, 0);
339 	if (ret < 0)
340 		goto out;
341 
342 	ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT, 0);
343 	if (ret < 0)
344 		goto out;
345 
346 	phy_start(priv->phydev);
347 
348 	return 0;
349 
350 out:
351 	return ret;
352 }
353 
354 static int ax88772_hw_reset(struct usbnet *dev, int in_pm)
355 {
356 	struct asix_data *data = (struct asix_data *)&dev->data;
357 	struct asix_common_private *priv = dev->driver_priv;
358 	u16 rx_ctl;
359 	int ret;
360 
361 	ret = asix_write_gpio(dev, AX_GPIO_RSE | AX_GPIO_GPO_2 |
362 			      AX_GPIO_GPO2EN, 5, in_pm);
363 	if (ret < 0)
364 		goto out;
365 
366 	ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, priv->embd_phy,
367 			     0, 0, NULL, in_pm);
368 	if (ret < 0) {
369 		netdev_dbg(dev->net, "Select PHY #1 failed: %d\n", ret);
370 		goto out;
371 	}
372 
373 	if (priv->embd_phy) {
374 		ret = asix_sw_reset(dev, AX_SWRESET_IPPD, in_pm);
375 		if (ret < 0)
376 			goto out;
377 
378 		usleep_range(10000, 11000);
379 
380 		ret = asix_sw_reset(dev, AX_SWRESET_CLEAR, in_pm);
381 		if (ret < 0)
382 			goto out;
383 
384 		msleep(60);
385 
386 		ret = asix_sw_reset(dev, AX_SWRESET_IPRL | AX_SWRESET_PRL,
387 				    in_pm);
388 		if (ret < 0)
389 			goto out;
390 	} else {
391 		ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_PRL,
392 				    in_pm);
393 		if (ret < 0)
394 			goto out;
395 	}
396 
397 	msleep(150);
398 
399 	if (in_pm && (!asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
400 					   MII_PHYSID1))){
401 		ret = -EIO;
402 		goto out;
403 	}
404 
405 	ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm);
406 	if (ret < 0)
407 		goto out;
408 
409 	ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT, in_pm);
410 	if (ret < 0)
411 		goto out;
412 
413 	ret = asix_write_cmd(dev, AX_CMD_WRITE_IPG0,
414 			     AX88772_IPG0_DEFAULT | AX88772_IPG1_DEFAULT,
415 			     AX88772_IPG2_DEFAULT, 0, NULL, in_pm);
416 	if (ret < 0) {
417 		netdev_dbg(dev->net, "Write IPG,IPG1,IPG2 failed: %d\n", ret);
418 		goto out;
419 	}
420 
421 	/* Rewrite MAC address */
422 	ether_addr_copy(data->mac_addr, dev->net->dev_addr);
423 	ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0,
424 			     ETH_ALEN, data->mac_addr, in_pm);
425 	if (ret < 0)
426 		goto out;
427 
428 	/* Set RX_CTL to default values with 2k buffer, and enable cactus */
429 	ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm);
430 	if (ret < 0)
431 		goto out;
432 
433 	rx_ctl = asix_read_rx_ctl(dev, in_pm);
434 	netdev_dbg(dev->net, "RX_CTL is 0x%04x after all initializations\n",
435 		   rx_ctl);
436 
437 	rx_ctl = asix_read_medium_status(dev, in_pm);
438 	netdev_dbg(dev->net,
439 		   "Medium Status is 0x%04x after all initializations\n",
440 		   rx_ctl);
441 
442 	return 0;
443 
444 out:
445 	return ret;
446 }
447 
448 static int ax88772a_hw_reset(struct usbnet *dev, int in_pm)
449 {
450 	struct asix_data *data = (struct asix_data *)&dev->data;
451 	struct asix_common_private *priv = dev->driver_priv;
452 	u16 rx_ctl, phy14h, phy15h, phy16h;
453 	int ret;
454 
455 	ret = asix_write_gpio(dev, AX_GPIO_RSE, 5, in_pm);
456 	if (ret < 0)
457 		goto out;
458 
459 	ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, priv->embd_phy |
460 			     AX_PHYSEL_SSEN, 0, 0, NULL, in_pm);
461 	if (ret < 0) {
462 		netdev_dbg(dev->net, "Select PHY #1 failed: %d\n", ret);
463 		goto out;
464 	}
465 	usleep_range(10000, 11000);
466 
467 	ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_IPRL, in_pm);
468 	if (ret < 0)
469 		goto out;
470 
471 	usleep_range(10000, 11000);
472 
473 	ret = asix_sw_reset(dev, AX_SWRESET_IPRL, in_pm);
474 	if (ret < 0)
475 		goto out;
476 
477 	msleep(160);
478 
479 	ret = asix_sw_reset(dev, AX_SWRESET_CLEAR, in_pm);
480 	if (ret < 0)
481 		goto out;
482 
483 	ret = asix_sw_reset(dev, AX_SWRESET_IPRL, in_pm);
484 	if (ret < 0)
485 		goto out;
486 
487 	msleep(200);
488 
489 	if (in_pm && (!asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
490 					   MII_PHYSID1))) {
491 		ret = -1;
492 		goto out;
493 	}
494 
495 	if (priv->chipcode == AX_AX88772B_CHIPCODE) {
496 		ret = asix_write_cmd(dev, AX_QCTCTRL, 0x8000, 0x8001,
497 				     0, NULL, in_pm);
498 		if (ret < 0) {
499 			netdev_dbg(dev->net, "Write BQ setting failed: %d\n",
500 				   ret);
501 			goto out;
502 		}
503 	} else if (priv->chipcode == AX_AX88772A_CHIPCODE) {
504 		/* Check if the PHY registers have default settings */
505 		phy14h = asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
506 					     AX88772A_PHY14H);
507 		phy15h = asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
508 					     AX88772A_PHY15H);
509 		phy16h = asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
510 					     AX88772A_PHY16H);
511 
512 		netdev_dbg(dev->net,
513 			   "772a_hw_reset: MR20=0x%x MR21=0x%x MR22=0x%x\n",
514 			   phy14h, phy15h, phy16h);
515 
516 		/* Restore PHY registers default setting if not */
517 		if (phy14h != AX88772A_PHY14H_DEFAULT)
518 			asix_mdio_write_nopm(dev->net, dev->mii.phy_id,
519 					     AX88772A_PHY14H,
520 					     AX88772A_PHY14H_DEFAULT);
521 		if (phy15h != AX88772A_PHY15H_DEFAULT)
522 			asix_mdio_write_nopm(dev->net, dev->mii.phy_id,
523 					     AX88772A_PHY15H,
524 					     AX88772A_PHY15H_DEFAULT);
525 		if (phy16h != AX88772A_PHY16H_DEFAULT)
526 			asix_mdio_write_nopm(dev->net, dev->mii.phy_id,
527 					     AX88772A_PHY16H,
528 					     AX88772A_PHY16H_DEFAULT);
529 	}
530 
531 	ret = asix_write_cmd(dev, AX_CMD_WRITE_IPG0,
532 				AX88772_IPG0_DEFAULT | AX88772_IPG1_DEFAULT,
533 				AX88772_IPG2_DEFAULT, 0, NULL, in_pm);
534 	if (ret < 0) {
535 		netdev_dbg(dev->net, "Write IPG,IPG1,IPG2 failed: %d\n", ret);
536 		goto out;
537 	}
538 
539 	/* Rewrite MAC address */
540 	memcpy(data->mac_addr, dev->net->dev_addr, ETH_ALEN);
541 	ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN,
542 							data->mac_addr, in_pm);
543 	if (ret < 0)
544 		goto out;
545 
546 	/* Set RX_CTL to default values with 2k buffer, and enable cactus */
547 	ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm);
548 	if (ret < 0)
549 		goto out;
550 
551 	ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT, in_pm);
552 	if (ret < 0)
553 		return ret;
554 
555 	/* Set RX_CTL to default values with 2k buffer, and enable cactus */
556 	ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm);
557 	if (ret < 0)
558 		goto out;
559 
560 	rx_ctl = asix_read_rx_ctl(dev, in_pm);
561 	netdev_dbg(dev->net, "RX_CTL is 0x%04x after all initializations\n",
562 		   rx_ctl);
563 
564 	rx_ctl = asix_read_medium_status(dev, in_pm);
565 	netdev_dbg(dev->net,
566 		   "Medium Status is 0x%04x after all initializations\n",
567 		   rx_ctl);
568 
569 	return 0;
570 
571 out:
572 	return ret;
573 }
574 
575 static const struct net_device_ops ax88772_netdev_ops = {
576 	.ndo_open		= usbnet_open,
577 	.ndo_stop		= usbnet_stop,
578 	.ndo_start_xmit		= usbnet_start_xmit,
579 	.ndo_tx_timeout		= usbnet_tx_timeout,
580 	.ndo_change_mtu		= usbnet_change_mtu,
581 	.ndo_get_stats64	= dev_get_tstats64,
582 	.ndo_set_mac_address 	= asix_set_mac_address,
583 	.ndo_validate_addr	= eth_validate_addr,
584 	.ndo_eth_ioctl		= phy_do_ioctl_running,
585 	.ndo_set_rx_mode        = asix_set_multicast,
586 };
587 
588 static void ax88772_suspend(struct usbnet *dev)
589 {
590 	struct asix_common_private *priv = dev->driver_priv;
591 	u16 medium;
592 
593 	if (netif_running(dev->net))
594 		phy_stop(priv->phydev);
595 
596 	/* Stop MAC operation */
597 	medium = asix_read_medium_status(dev, 1);
598 	medium &= ~AX_MEDIUM_RE;
599 	asix_write_medium_mode(dev, medium, 1);
600 
601 	netdev_dbg(dev->net, "ax88772_suspend: medium=0x%04x\n",
602 		   asix_read_medium_status(dev, 1));
603 }
604 
605 static int asix_suspend(struct usb_interface *intf, pm_message_t message)
606 {
607 	struct usbnet *dev = usb_get_intfdata(intf);
608 	struct asix_common_private *priv = dev->driver_priv;
609 
610 	if (priv && priv->suspend)
611 		priv->suspend(dev);
612 
613 	return usbnet_suspend(intf, message);
614 }
615 
616 static void ax88772_resume(struct usbnet *dev)
617 {
618 	struct asix_common_private *priv = dev->driver_priv;
619 	int i;
620 
621 	for (i = 0; i < 3; i++)
622 		if (!priv->reset(dev, 1))
623 			break;
624 
625 	if (netif_running(dev->net))
626 		phy_start(priv->phydev);
627 }
628 
629 static int asix_resume(struct usb_interface *intf)
630 {
631 	struct usbnet *dev = usb_get_intfdata(intf);
632 	struct asix_common_private *priv = dev->driver_priv;
633 
634 	if (priv && priv->resume)
635 		priv->resume(dev);
636 
637 	return usbnet_resume(intf);
638 }
639 
640 static int ax88772_init_mdio(struct usbnet *dev)
641 {
642 	struct asix_common_private *priv = dev->driver_priv;
643 
644 	priv->mdio = devm_mdiobus_alloc(&dev->udev->dev);
645 	if (!priv->mdio)
646 		return -ENOMEM;
647 
648 	priv->mdio->priv = dev;
649 	priv->mdio->read = &asix_mdio_bus_read;
650 	priv->mdio->write = &asix_mdio_bus_write;
651 	priv->mdio->name = "Asix MDIO Bus";
652 	/* mii bus name is usb-<usb bus number>-<usb device number> */
653 	snprintf(priv->mdio->id, MII_BUS_ID_SIZE, "usb-%03d:%03d",
654 		 dev->udev->bus->busnum, dev->udev->devnum);
655 
656 	return devm_mdiobus_register(&dev->udev->dev, priv->mdio);
657 }
658 
659 static int ax88772_init_phy(struct usbnet *dev)
660 {
661 	struct asix_common_private *priv = dev->driver_priv;
662 	int ret;
663 
664 	priv->phydev = mdiobus_get_phy(priv->mdio, priv->phy_addr);
665 	if (!priv->phydev) {
666 		netdev_err(dev->net, "Could not find PHY\n");
667 		return -ENODEV;
668 	}
669 
670 	ret = phy_connect_direct(dev->net, priv->phydev, &asix_adjust_link,
671 				 PHY_INTERFACE_MODE_INTERNAL);
672 	if (ret) {
673 		netdev_err(dev->net, "Could not connect PHY\n");
674 		return ret;
675 	}
676 
677 	phy_suspend(priv->phydev);
678 	priv->phydev->mac_managed_pm = 1;
679 
680 	phy_attached_info(priv->phydev);
681 
682 	if (priv->embd_phy)
683 		return 0;
684 
685 	/* In case main PHY is not the embedded PHY and MAC is RMII clock
686 	 * provider, we need to suspend embedded PHY by keeping PLL enabled
687 	 * (AX_SWRESET_IPPD == 0).
688 	 */
689 	priv->phydev_int = mdiobus_get_phy(priv->mdio, AX_EMBD_PHY_ADDR);
690 	if (!priv->phydev_int) {
691 		netdev_err(dev->net, "Could not find internal PHY\n");
692 		return -ENODEV;
693 	}
694 
695 	priv->phydev_int->mac_managed_pm = 1;
696 	phy_suspend(priv->phydev_int);
697 
698 	return 0;
699 }
700 
701 static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf)
702 {
703 	struct asix_common_private *priv;
704 	u8 buf[ETH_ALEN] = {0};
705 	int ret, i;
706 
707 	priv = devm_kzalloc(&dev->udev->dev, sizeof(*priv), GFP_KERNEL);
708 	if (!priv)
709 		return -ENOMEM;
710 
711 	dev->driver_priv = priv;
712 
713 	usbnet_get_endpoints(dev, intf);
714 
715 	/* Maybe the boot loader passed the MAC address via device tree */
716 	if (!eth_platform_get_mac_address(&dev->udev->dev, buf)) {
717 		netif_dbg(dev, ifup, dev->net,
718 			  "MAC address read from device tree");
719 	} else {
720 		/* Try getting the MAC address from EEPROM */
721 		if (dev->driver_info->data & FLAG_EEPROM_MAC) {
722 			for (i = 0; i < (ETH_ALEN >> 1); i++) {
723 				ret = asix_read_cmd(dev, AX_CMD_READ_EEPROM,
724 						    0x04 + i, 0, 2, buf + i * 2,
725 						    0);
726 				if (ret < 0)
727 					break;
728 			}
729 		} else {
730 			ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID,
731 					    0, 0, ETH_ALEN, buf, 0);
732 		}
733 
734 		if (ret < 0) {
735 			netdev_dbg(dev->net, "Failed to read MAC address: %d\n",
736 				   ret);
737 			return ret;
738 		}
739 	}
740 
741 	asix_set_netdev_dev_addr(dev, buf);
742 
743 	dev->net->netdev_ops = &ax88772_netdev_ops;
744 	dev->net->ethtool_ops = &ax88772_ethtool_ops;
745 	dev->net->needed_headroom = 4; /* cf asix_tx_fixup() */
746 	dev->net->needed_tailroom = 4; /* cf asix_tx_fixup() */
747 
748 	ret = asix_read_phy_addr(dev, true);
749 	if (ret < 0)
750 		return ret;
751 
752 	priv->phy_addr = ret;
753 	priv->embd_phy = ((priv->phy_addr & 0x1f) == AX_EMBD_PHY_ADDR);
754 
755 	ret = asix_read_cmd(dev, AX_CMD_STATMNGSTS_REG, 0, 0, 1,
756 			    &priv->chipcode, 0);
757 	if (ret < 0) {
758 		netdev_dbg(dev->net, "Failed to read STATMNGSTS_REG: %d\n", ret);
759 		return ret;
760 	}
761 
762 	priv->chipcode &= AX_CHIPCODE_MASK;
763 
764 	priv->resume = ax88772_resume;
765 	priv->suspend = ax88772_suspend;
766 	if (priv->chipcode == AX_AX88772_CHIPCODE)
767 		priv->reset = ax88772_hw_reset;
768 	else
769 		priv->reset = ax88772a_hw_reset;
770 
771 	ret = priv->reset(dev, 0);
772 	if (ret < 0) {
773 		netdev_dbg(dev->net, "Failed to reset AX88772: %d\n", ret);
774 		return ret;
775 	}
776 
777 	/* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
778 	if (dev->driver_info->flags & FLAG_FRAMING_AX) {
779 		/* hard_mtu  is still the default - the device does not support
780 		   jumbo eth frames */
781 		dev->rx_urb_size = 2048;
782 	}
783 
784 	priv->presvd_phy_bmcr = 0;
785 	priv->presvd_phy_advertise = 0;
786 
787 	ret = ax88772_init_mdio(dev);
788 	if (ret)
789 		return ret;
790 
791 	return ax88772_init_phy(dev);
792 }
793 
794 static int ax88772_stop(struct usbnet *dev)
795 {
796 	struct asix_common_private *priv = dev->driver_priv;
797 
798 	/* On unplugged USB, we will get MDIO communication errors and the
799 	 * PHY will be set in to PHY_HALTED state.
800 	 */
801 	if (priv->phydev->state != PHY_HALTED)
802 		phy_stop(priv->phydev);
803 
804 	return 0;
805 }
806 
807 static void ax88772_unbind(struct usbnet *dev, struct usb_interface *intf)
808 {
809 	struct asix_common_private *priv = dev->driver_priv;
810 
811 	phy_disconnect(priv->phydev);
812 	asix_rx_fixup_common_free(dev->driver_priv);
813 }
814 
815 static void ax88178_unbind(struct usbnet *dev, struct usb_interface *intf)
816 {
817 	asix_rx_fixup_common_free(dev->driver_priv);
818 	kfree(dev->driver_priv);
819 }
820 
821 static const struct ethtool_ops ax88178_ethtool_ops = {
822 	.get_drvinfo		= asix_get_drvinfo,
823 	.get_link		= asix_get_link,
824 	.get_msglevel		= usbnet_get_msglevel,
825 	.set_msglevel		= usbnet_set_msglevel,
826 	.get_wol		= asix_get_wol,
827 	.set_wol		= asix_set_wol,
828 	.get_eeprom_len		= asix_get_eeprom_len,
829 	.get_eeprom		= asix_get_eeprom,
830 	.set_eeprom		= asix_set_eeprom,
831 	.nway_reset		= usbnet_nway_reset,
832 	.get_link_ksettings	= usbnet_get_link_ksettings_mii,
833 	.set_link_ksettings	= usbnet_set_link_ksettings_mii,
834 };
835 
836 static int marvell_phy_init(struct usbnet *dev)
837 {
838 	struct asix_data *data = (struct asix_data *)&dev->data;
839 	u16 reg;
840 
841 	netdev_dbg(dev->net, "marvell_phy_init()\n");
842 
843 	reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_MARVELL_STATUS);
844 	netdev_dbg(dev->net, "MII_MARVELL_STATUS = 0x%04x\n", reg);
845 
846 	asix_mdio_write(dev->net, dev->mii.phy_id, MII_MARVELL_CTRL,
847 			MARVELL_CTRL_RXDELAY | MARVELL_CTRL_TXDELAY);
848 
849 	if (data->ledmode) {
850 		reg = asix_mdio_read(dev->net, dev->mii.phy_id,
851 			MII_MARVELL_LED_CTRL);
852 		netdev_dbg(dev->net, "MII_MARVELL_LED_CTRL (1) = 0x%04x\n", reg);
853 
854 		reg &= 0xf8ff;
855 		reg |= (1 + 0x0100);
856 		asix_mdio_write(dev->net, dev->mii.phy_id,
857 			MII_MARVELL_LED_CTRL, reg);
858 
859 		reg = asix_mdio_read(dev->net, dev->mii.phy_id,
860 			MII_MARVELL_LED_CTRL);
861 		netdev_dbg(dev->net, "MII_MARVELL_LED_CTRL (2) = 0x%04x\n", reg);
862 	}
863 
864 	return 0;
865 }
866 
867 static int rtl8211cl_phy_init(struct usbnet *dev)
868 {
869 	struct asix_data *data = (struct asix_data *)&dev->data;
870 
871 	netdev_dbg(dev->net, "rtl8211cl_phy_init()\n");
872 
873 	asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0x0005);
874 	asix_mdio_write (dev->net, dev->mii.phy_id, 0x0c, 0);
875 	asix_mdio_write (dev->net, dev->mii.phy_id, 0x01,
876 		asix_mdio_read (dev->net, dev->mii.phy_id, 0x01) | 0x0080);
877 	asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0);
878 
879 	if (data->ledmode == 12) {
880 		asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0x0002);
881 		asix_mdio_write (dev->net, dev->mii.phy_id, 0x1a, 0x00cb);
882 		asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0);
883 	}
884 
885 	return 0;
886 }
887 
888 static int marvell_led_status(struct usbnet *dev, u16 speed)
889 {
890 	u16 reg = asix_mdio_read(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL);
891 
892 	netdev_dbg(dev->net, "marvell_led_status() read 0x%04x\n", reg);
893 
894 	/* Clear out the center LED bits - 0x03F0 */
895 	reg &= 0xfc0f;
896 
897 	switch (speed) {
898 		case SPEED_1000:
899 			reg |= 0x03e0;
900 			break;
901 		case SPEED_100:
902 			reg |= 0x03b0;
903 			break;
904 		default:
905 			reg |= 0x02f0;
906 	}
907 
908 	netdev_dbg(dev->net, "marvell_led_status() writing 0x%04x\n", reg);
909 	asix_mdio_write(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL, reg);
910 
911 	return 0;
912 }
913 
914 static int ax88178_reset(struct usbnet *dev)
915 {
916 	struct asix_data *data = (struct asix_data *)&dev->data;
917 	int ret;
918 	__le16 eeprom;
919 	u8 status;
920 	int gpio0 = 0;
921 	u32 phyid;
922 
923 	ret = asix_read_cmd(dev, AX_CMD_READ_GPIOS, 0, 0, 1, &status, 0);
924 	if (ret < 0) {
925 		netdev_dbg(dev->net, "Failed to read GPIOS: %d\n", ret);
926 		return ret;
927 	}
928 
929 	netdev_dbg(dev->net, "GPIO Status: 0x%04x\n", status);
930 
931 	asix_write_cmd(dev, AX_CMD_WRITE_ENABLE, 0, 0, 0, NULL, 0);
932 	ret = asix_read_cmd(dev, AX_CMD_READ_EEPROM, 0x0017, 0, 2, &eeprom, 0);
933 	if (ret < 0) {
934 		netdev_dbg(dev->net, "Failed to read EEPROM: %d\n", ret);
935 		return ret;
936 	}
937 
938 	asix_write_cmd(dev, AX_CMD_WRITE_DISABLE, 0, 0, 0, NULL, 0);
939 
940 	netdev_dbg(dev->net, "EEPROM index 0x17 is 0x%04x\n", eeprom);
941 
942 	if (eeprom == cpu_to_le16(0xffff)) {
943 		data->phymode = PHY_MODE_MARVELL;
944 		data->ledmode = 0;
945 		gpio0 = 1;
946 	} else {
947 		data->phymode = le16_to_cpu(eeprom) & 0x7F;
948 		data->ledmode = le16_to_cpu(eeprom) >> 8;
949 		gpio0 = (le16_to_cpu(eeprom) & 0x80) ? 0 : 1;
950 	}
951 	netdev_dbg(dev->net, "GPIO0: %d, PhyMode: %d\n", gpio0, data->phymode);
952 
953 	/* Power up external GigaPHY through AX88178 GPIO pin */
954 	asix_write_gpio(dev, AX_GPIO_RSE | AX_GPIO_GPO_1 |
955 			AX_GPIO_GPO1EN, 40, 0);
956 	if ((le16_to_cpu(eeprom) >> 8) != 1) {
957 		asix_write_gpio(dev, 0x003c, 30, 0);
958 		asix_write_gpio(dev, 0x001c, 300, 0);
959 		asix_write_gpio(dev, 0x003c, 30, 0);
960 	} else {
961 		netdev_dbg(dev->net, "gpio phymode == 1 path\n");
962 		asix_write_gpio(dev, AX_GPIO_GPO1EN, 30, 0);
963 		asix_write_gpio(dev, AX_GPIO_GPO1EN | AX_GPIO_GPO_1, 30, 0);
964 	}
965 
966 	/* Read PHYID register *AFTER* powering up PHY */
967 	phyid = asix_get_phyid(dev);
968 	netdev_dbg(dev->net, "PHYID=0x%08x\n", phyid);
969 
970 	/* Set AX88178 to enable MII/GMII/RGMII interface for external PHY */
971 	asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, 0, 0, 0, NULL, 0);
972 
973 	asix_sw_reset(dev, 0, 0);
974 	msleep(150);
975 
976 	asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD, 0);
977 	msleep(150);
978 
979 	asix_write_rx_ctl(dev, 0, 0);
980 
981 	if (data->phymode == PHY_MODE_MARVELL) {
982 		marvell_phy_init(dev);
983 		msleep(60);
984 	} else if (data->phymode == PHY_MODE_RTL8211CL)
985 		rtl8211cl_phy_init(dev);
986 
987 	asix_phy_reset(dev, BMCR_RESET | BMCR_ANENABLE);
988 	asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
989 			ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
990 	asix_mdio_write(dev->net, dev->mii.phy_id, MII_CTRL1000,
991 			ADVERTISE_1000FULL);
992 
993 	asix_write_medium_mode(dev, AX88178_MEDIUM_DEFAULT, 0);
994 	mii_nway_restart(&dev->mii);
995 
996 	/* Rewrite MAC address */
997 	memcpy(data->mac_addr, dev->net->dev_addr, ETH_ALEN);
998 	ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN,
999 							data->mac_addr, 0);
1000 	if (ret < 0)
1001 		return ret;
1002 
1003 	ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, 0);
1004 	if (ret < 0)
1005 		return ret;
1006 
1007 	return 0;
1008 }
1009 
1010 static int ax88178_link_reset(struct usbnet *dev)
1011 {
1012 	u16 mode;
1013 	struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
1014 	struct asix_data *data = (struct asix_data *)&dev->data;
1015 	u32 speed;
1016 
1017 	netdev_dbg(dev->net, "ax88178_link_reset()\n");
1018 
1019 	mii_check_media(&dev->mii, 1, 1);
1020 	mii_ethtool_gset(&dev->mii, &ecmd);
1021 	mode = AX88178_MEDIUM_DEFAULT;
1022 	speed = ethtool_cmd_speed(&ecmd);
1023 
1024 	if (speed == SPEED_1000)
1025 		mode |= AX_MEDIUM_GM;
1026 	else if (speed == SPEED_100)
1027 		mode |= AX_MEDIUM_PS;
1028 	else
1029 		mode &= ~(AX_MEDIUM_PS | AX_MEDIUM_GM);
1030 
1031 	mode |= AX_MEDIUM_ENCK;
1032 
1033 	if (ecmd.duplex == DUPLEX_FULL)
1034 		mode |= AX_MEDIUM_FD;
1035 	else
1036 		mode &= ~AX_MEDIUM_FD;
1037 
1038 	netdev_dbg(dev->net, "ax88178_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
1039 		   speed, ecmd.duplex, mode);
1040 
1041 	asix_write_medium_mode(dev, mode, 0);
1042 
1043 	if (data->phymode == PHY_MODE_MARVELL && data->ledmode)
1044 		marvell_led_status(dev, speed);
1045 
1046 	return 0;
1047 }
1048 
1049 static void ax88178_set_mfb(struct usbnet *dev)
1050 {
1051 	u16 mfb = AX_RX_CTL_MFB_16384;
1052 	u16 rxctl;
1053 	u16 medium;
1054 	int old_rx_urb_size = dev->rx_urb_size;
1055 
1056 	if (dev->hard_mtu < 2048) {
1057 		dev->rx_urb_size = 2048;
1058 		mfb = AX_RX_CTL_MFB_2048;
1059 	} else if (dev->hard_mtu < 4096) {
1060 		dev->rx_urb_size = 4096;
1061 		mfb = AX_RX_CTL_MFB_4096;
1062 	} else if (dev->hard_mtu < 8192) {
1063 		dev->rx_urb_size = 8192;
1064 		mfb = AX_RX_CTL_MFB_8192;
1065 	} else if (dev->hard_mtu < 16384) {
1066 		dev->rx_urb_size = 16384;
1067 		mfb = AX_RX_CTL_MFB_16384;
1068 	}
1069 
1070 	rxctl = asix_read_rx_ctl(dev, 0);
1071 	asix_write_rx_ctl(dev, (rxctl & ~AX_RX_CTL_MFB_16384) | mfb, 0);
1072 
1073 	medium = asix_read_medium_status(dev, 0);
1074 	if (dev->net->mtu > 1500)
1075 		medium |= AX_MEDIUM_JFE;
1076 	else
1077 		medium &= ~AX_MEDIUM_JFE;
1078 	asix_write_medium_mode(dev, medium, 0);
1079 
1080 	if (dev->rx_urb_size > old_rx_urb_size)
1081 		usbnet_unlink_rx_urbs(dev);
1082 }
1083 
1084 static int ax88178_change_mtu(struct net_device *net, int new_mtu)
1085 {
1086 	struct usbnet *dev = netdev_priv(net);
1087 	int ll_mtu = new_mtu + net->hard_header_len + 4;
1088 
1089 	netdev_dbg(dev->net, "ax88178_change_mtu() new_mtu=%d\n", new_mtu);
1090 
1091 	if ((ll_mtu % dev->maxpacket) == 0)
1092 		return -EDOM;
1093 
1094 	net->mtu = new_mtu;
1095 	dev->hard_mtu = net->mtu + net->hard_header_len;
1096 	ax88178_set_mfb(dev);
1097 
1098 	/* max qlen depend on hard_mtu and rx_urb_size */
1099 	usbnet_update_max_qlen(dev);
1100 
1101 	return 0;
1102 }
1103 
1104 static const struct net_device_ops ax88178_netdev_ops = {
1105 	.ndo_open		= usbnet_open,
1106 	.ndo_stop		= usbnet_stop,
1107 	.ndo_start_xmit		= usbnet_start_xmit,
1108 	.ndo_tx_timeout		= usbnet_tx_timeout,
1109 	.ndo_get_stats64	= dev_get_tstats64,
1110 	.ndo_set_mac_address 	= asix_set_mac_address,
1111 	.ndo_validate_addr	= eth_validate_addr,
1112 	.ndo_set_rx_mode	= asix_set_multicast,
1113 	.ndo_eth_ioctl		= asix_ioctl,
1114 	.ndo_change_mtu 	= ax88178_change_mtu,
1115 };
1116 
1117 static int ax88178_bind(struct usbnet *dev, struct usb_interface *intf)
1118 {
1119 	int ret;
1120 	u8 buf[ETH_ALEN] = {0};
1121 
1122 	usbnet_get_endpoints(dev,intf);
1123 
1124 	/* Get the MAC address */
1125 	ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf, 0);
1126 	if (ret < 0) {
1127 		netdev_dbg(dev->net, "Failed to read MAC address: %d\n", ret);
1128 		return ret;
1129 	}
1130 
1131 	asix_set_netdev_dev_addr(dev, buf);
1132 
1133 	/* Initialize MII structure */
1134 	dev->mii.dev = dev->net;
1135 	dev->mii.mdio_read = asix_mdio_read;
1136 	dev->mii.mdio_write = asix_mdio_write;
1137 	dev->mii.phy_id_mask = 0x1f;
1138 	dev->mii.reg_num_mask = 0xff;
1139 	dev->mii.supports_gmii = 1;
1140 
1141 	dev->mii.phy_id = asix_read_phy_addr(dev, true);
1142 	if (dev->mii.phy_id < 0)
1143 		return dev->mii.phy_id;
1144 
1145 	dev->net->netdev_ops = &ax88178_netdev_ops;
1146 	dev->net->ethtool_ops = &ax88178_ethtool_ops;
1147 	dev->net->max_mtu = 16384 - (dev->net->hard_header_len + 4);
1148 
1149 	/* Blink LEDS so users know driver saw dongle */
1150 	asix_sw_reset(dev, 0, 0);
1151 	msleep(150);
1152 
1153 	asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD, 0);
1154 	msleep(150);
1155 
1156 	/* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
1157 	if (dev->driver_info->flags & FLAG_FRAMING_AX) {
1158 		/* hard_mtu  is still the default - the device does not support
1159 		   jumbo eth frames */
1160 		dev->rx_urb_size = 2048;
1161 	}
1162 
1163 	dev->driver_priv = kzalloc(sizeof(struct asix_common_private), GFP_KERNEL);
1164 	if (!dev->driver_priv)
1165 			return -ENOMEM;
1166 
1167 	return 0;
1168 }
1169 
1170 static const struct driver_info ax8817x_info = {
1171 	.description = "ASIX AX8817x USB 2.0 Ethernet",
1172 	.bind = ax88172_bind,
1173 	.status = asix_status,
1174 	.link_reset = ax88172_link_reset,
1175 	.reset = ax88172_link_reset,
1176 	.flags =  FLAG_ETHER | FLAG_LINK_INTR,
1177 	.data = 0x00130103,
1178 };
1179 
1180 static const struct driver_info dlink_dub_e100_info = {
1181 	.description = "DLink DUB-E100 USB Ethernet",
1182 	.bind = ax88172_bind,
1183 	.status = asix_status,
1184 	.link_reset = ax88172_link_reset,
1185 	.reset = ax88172_link_reset,
1186 	.flags =  FLAG_ETHER | FLAG_LINK_INTR,
1187 	.data = 0x009f9d9f,
1188 };
1189 
1190 static const struct driver_info netgear_fa120_info = {
1191 	.description = "Netgear FA-120 USB Ethernet",
1192 	.bind = ax88172_bind,
1193 	.status = asix_status,
1194 	.link_reset = ax88172_link_reset,
1195 	.reset = ax88172_link_reset,
1196 	.flags =  FLAG_ETHER | FLAG_LINK_INTR,
1197 	.data = 0x00130103,
1198 };
1199 
1200 static const struct driver_info hawking_uf200_info = {
1201 	.description = "Hawking UF200 USB Ethernet",
1202 	.bind = ax88172_bind,
1203 	.status = asix_status,
1204 	.link_reset = ax88172_link_reset,
1205 	.reset = ax88172_link_reset,
1206 	.flags =  FLAG_ETHER | FLAG_LINK_INTR,
1207 	.data = 0x001f1d1f,
1208 };
1209 
1210 static const struct driver_info ax88772_info = {
1211 	.description = "ASIX AX88772 USB 2.0 Ethernet",
1212 	.bind = ax88772_bind,
1213 	.unbind = ax88772_unbind,
1214 	.status = asix_status,
1215 	.reset = ax88772_reset,
1216 	.stop = ax88772_stop,
1217 	.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR | FLAG_MULTI_PACKET,
1218 	.rx_fixup = asix_rx_fixup_common,
1219 	.tx_fixup = asix_tx_fixup,
1220 };
1221 
1222 static const struct driver_info ax88772b_info = {
1223 	.description = "ASIX AX88772B USB 2.0 Ethernet",
1224 	.bind = ax88772_bind,
1225 	.unbind = ax88772_unbind,
1226 	.status = asix_status,
1227 	.reset = ax88772_reset,
1228 	.stop = ax88772_stop,
1229 	.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR |
1230 	         FLAG_MULTI_PACKET,
1231 	.rx_fixup = asix_rx_fixup_common,
1232 	.tx_fixup = asix_tx_fixup,
1233 	.data = FLAG_EEPROM_MAC,
1234 };
1235 
1236 static const struct driver_info ax88178_info = {
1237 	.description = "ASIX AX88178 USB 2.0 Ethernet",
1238 	.bind = ax88178_bind,
1239 	.unbind = ax88178_unbind,
1240 	.status = asix_status,
1241 	.link_reset = ax88178_link_reset,
1242 	.reset = ax88178_reset,
1243 	.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR |
1244 		 FLAG_MULTI_PACKET,
1245 	.rx_fixup = asix_rx_fixup_common,
1246 	.tx_fixup = asix_tx_fixup,
1247 };
1248 
1249 /*
1250  * USBLINK 20F9 "USB 2.0 LAN" USB ethernet adapter, typically found in
1251  * no-name packaging.
1252  * USB device strings are:
1253  *   1: Manufacturer: USBLINK
1254  *   2: Product: HG20F9 USB2.0
1255  *   3: Serial: 000003
1256  * Appears to be compatible with Asix 88772B.
1257  */
1258 static const struct driver_info hg20f9_info = {
1259 	.description = "HG20F9 USB 2.0 Ethernet",
1260 	.bind = ax88772_bind,
1261 	.unbind = ax88772_unbind,
1262 	.status = asix_status,
1263 	.reset = ax88772_reset,
1264 	.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR |
1265 	         FLAG_MULTI_PACKET,
1266 	.rx_fixup = asix_rx_fixup_common,
1267 	.tx_fixup = asix_tx_fixup,
1268 	.data = FLAG_EEPROM_MAC,
1269 };
1270 
1271 static const struct usb_device_id	products [] = {
1272 {
1273 	// Linksys USB200M
1274 	USB_DEVICE (0x077b, 0x2226),
1275 	.driver_info =	(unsigned long) &ax8817x_info,
1276 }, {
1277 	// Netgear FA120
1278 	USB_DEVICE (0x0846, 0x1040),
1279 	.driver_info =  (unsigned long) &netgear_fa120_info,
1280 }, {
1281 	// DLink DUB-E100
1282 	USB_DEVICE (0x2001, 0x1a00),
1283 	.driver_info =  (unsigned long) &dlink_dub_e100_info,
1284 }, {
1285 	// Intellinet, ST Lab USB Ethernet
1286 	USB_DEVICE (0x0b95, 0x1720),
1287 	.driver_info =  (unsigned long) &ax8817x_info,
1288 }, {
1289 	// Hawking UF200, TrendNet TU2-ET100
1290 	USB_DEVICE (0x07b8, 0x420a),
1291 	.driver_info =  (unsigned long) &hawking_uf200_info,
1292 }, {
1293 	// Billionton Systems, USB2AR
1294 	USB_DEVICE (0x08dd, 0x90ff),
1295 	.driver_info =  (unsigned long) &ax8817x_info,
1296 }, {
1297 	// Billionton Systems, GUSB2AM-1G-B
1298 	USB_DEVICE(0x08dd, 0x0114),
1299 	.driver_info =  (unsigned long) &ax88178_info,
1300 }, {
1301 	// ATEN UC210T
1302 	USB_DEVICE (0x0557, 0x2009),
1303 	.driver_info =  (unsigned long) &ax8817x_info,
1304 }, {
1305 	// Buffalo LUA-U2-KTX
1306 	USB_DEVICE (0x0411, 0x003d),
1307 	.driver_info =  (unsigned long) &ax8817x_info,
1308 }, {
1309 	// Buffalo LUA-U2-GT 10/100/1000
1310 	USB_DEVICE (0x0411, 0x006e),
1311 	.driver_info =  (unsigned long) &ax88178_info,
1312 }, {
1313 	// Sitecom LN-029 "USB 2.0 10/100 Ethernet adapter"
1314 	USB_DEVICE (0x6189, 0x182d),
1315 	.driver_info =  (unsigned long) &ax8817x_info,
1316 }, {
1317 	// Sitecom LN-031 "USB 2.0 10/100/1000 Ethernet adapter"
1318 	USB_DEVICE (0x0df6, 0x0056),
1319 	.driver_info =  (unsigned long) &ax88178_info,
1320 }, {
1321 	// Sitecom LN-028 "USB 2.0 10/100/1000 Ethernet adapter"
1322 	USB_DEVICE (0x0df6, 0x061c),
1323 	.driver_info =  (unsigned long) &ax88178_info,
1324 }, {
1325 	// corega FEther USB2-TX
1326 	USB_DEVICE (0x07aa, 0x0017),
1327 	.driver_info =  (unsigned long) &ax8817x_info,
1328 }, {
1329 	// Surecom EP-1427X-2
1330 	USB_DEVICE (0x1189, 0x0893),
1331 	.driver_info = (unsigned long) &ax8817x_info,
1332 }, {
1333 	// goodway corp usb gwusb2e
1334 	USB_DEVICE (0x1631, 0x6200),
1335 	.driver_info = (unsigned long) &ax8817x_info,
1336 }, {
1337 	// JVC MP-PRX1 Port Replicator
1338 	USB_DEVICE (0x04f1, 0x3008),
1339 	.driver_info = (unsigned long) &ax8817x_info,
1340 }, {
1341 	// Lenovo U2L100P 10/100
1342 	USB_DEVICE (0x17ef, 0x7203),
1343 	.driver_info = (unsigned long)&ax88772b_info,
1344 }, {
1345 	// ASIX AX88772B 10/100
1346 	USB_DEVICE (0x0b95, 0x772b),
1347 	.driver_info = (unsigned long) &ax88772b_info,
1348 }, {
1349 	// ASIX AX88772 10/100
1350 	USB_DEVICE (0x0b95, 0x7720),
1351 	.driver_info = (unsigned long) &ax88772_info,
1352 }, {
1353 	// ASIX AX88178 10/100/1000
1354 	USB_DEVICE (0x0b95, 0x1780),
1355 	.driver_info = (unsigned long) &ax88178_info,
1356 }, {
1357 	// Logitec LAN-GTJ/U2A
1358 	USB_DEVICE (0x0789, 0x0160),
1359 	.driver_info = (unsigned long) &ax88178_info,
1360 }, {
1361 	// Linksys USB200M Rev 2
1362 	USB_DEVICE (0x13b1, 0x0018),
1363 	.driver_info = (unsigned long) &ax88772_info,
1364 }, {
1365 	// 0Q0 cable ethernet
1366 	USB_DEVICE (0x1557, 0x7720),
1367 	.driver_info = (unsigned long) &ax88772_info,
1368 }, {
1369 	// DLink DUB-E100 H/W Ver B1
1370 	USB_DEVICE (0x07d1, 0x3c05),
1371 	.driver_info = (unsigned long) &ax88772_info,
1372 }, {
1373 	// DLink DUB-E100 H/W Ver B1 Alternate
1374 	USB_DEVICE (0x2001, 0x3c05),
1375 	.driver_info = (unsigned long) &ax88772_info,
1376 }, {
1377        // DLink DUB-E100 H/W Ver C1
1378        USB_DEVICE (0x2001, 0x1a02),
1379        .driver_info = (unsigned long) &ax88772_info,
1380 }, {
1381 	// Linksys USB1000
1382 	USB_DEVICE (0x1737, 0x0039),
1383 	.driver_info = (unsigned long) &ax88178_info,
1384 }, {
1385 	// IO-DATA ETG-US2
1386 	USB_DEVICE (0x04bb, 0x0930),
1387 	.driver_info = (unsigned long) &ax88178_info,
1388 }, {
1389 	// Belkin F5D5055
1390 	USB_DEVICE(0x050d, 0x5055),
1391 	.driver_info = (unsigned long) &ax88178_info,
1392 }, {
1393 	// Apple USB Ethernet Adapter
1394 	USB_DEVICE(0x05ac, 0x1402),
1395 	.driver_info = (unsigned long) &ax88772_info,
1396 }, {
1397 	// Cables-to-Go USB Ethernet Adapter
1398 	USB_DEVICE(0x0b95, 0x772a),
1399 	.driver_info = (unsigned long) &ax88772_info,
1400 }, {
1401 	// ABOCOM for pci
1402 	USB_DEVICE(0x14ea, 0xab11),
1403 	.driver_info = (unsigned long) &ax88178_info,
1404 }, {
1405 	// ASIX 88772a
1406 	USB_DEVICE(0x0db0, 0xa877),
1407 	.driver_info = (unsigned long) &ax88772_info,
1408 }, {
1409 	// Asus USB Ethernet Adapter
1410 	USB_DEVICE (0x0b95, 0x7e2b),
1411 	.driver_info = (unsigned long)&ax88772b_info,
1412 }, {
1413 	/* ASIX 88172a demo board */
1414 	USB_DEVICE(0x0b95, 0x172a),
1415 	.driver_info = (unsigned long) &ax88172a_info,
1416 }, {
1417 	/*
1418 	 * USBLINK HG20F9 "USB 2.0 LAN"
1419 	 * Appears to have gazumped Linksys's manufacturer ID but
1420 	 * doesn't (yet) conflict with any known Linksys product.
1421 	 */
1422 	USB_DEVICE(0x066b, 0x20f9),
1423 	.driver_info = (unsigned long) &hg20f9_info,
1424 },
1425 	{ },		// END
1426 };
1427 MODULE_DEVICE_TABLE(usb, products);
1428 
1429 static struct usb_driver asix_driver = {
1430 	.name =		DRIVER_NAME,
1431 	.id_table =	products,
1432 	.probe =	usbnet_probe,
1433 	.suspend =	asix_suspend,
1434 	.resume =	asix_resume,
1435 	.reset_resume =	asix_resume,
1436 	.disconnect =	usbnet_disconnect,
1437 	.supports_autosuspend = 1,
1438 	.disable_hub_initiated_lpm = 1,
1439 };
1440 
1441 module_usb_driver(asix_driver);
1442 
1443 MODULE_AUTHOR("David Hollis");
1444 MODULE_VERSION(DRIVER_VERSION);
1445 MODULE_DESCRIPTION("ASIX AX8817X based USB 2.0 Ethernet Devices");
1446 MODULE_LICENSE("GPL");
1447 
1448