xref: /openbmc/linux/drivers/net/usb/asix_devices.c (revision a0ae2562c6c4b2721d9fddba63b7286c13517d9f)
1 /*
2  * ASIX AX8817X based USB 2.0 Ethernet Devices
3  * Copyright (C) 2003-2006 David Hollis <dhollis@davehollis.com>
4  * Copyright (C) 2005 Phil Chang <pchang23@sbcglobal.net>
5  * Copyright (C) 2006 James Painter <jamie.painter@iname.com>
6  * Copyright (c) 2002-2003 TiVo Inc.
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2 of the License, or
11  * (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, see <http://www.gnu.org/licenses/>.
20  */
21 
22 #include "asix.h"
23 
24 #define PHY_MODE_MARVELL	0x0000
25 #define MII_MARVELL_LED_CTRL	0x0018
26 #define MII_MARVELL_STATUS	0x001b
27 #define MII_MARVELL_CTRL	0x0014
28 
29 #define MARVELL_LED_MANUAL	0x0019
30 
31 #define MARVELL_STATUS_HWCFG	0x0004
32 
33 #define MARVELL_CTRL_TXDELAY	0x0002
34 #define MARVELL_CTRL_RXDELAY	0x0080
35 
36 #define	PHY_MODE_RTL8211CL	0x000C
37 
38 #define AX88772A_PHY14H		0x14
39 #define AX88772A_PHY14H_DEFAULT 0x442C
40 
41 #define AX88772A_PHY15H		0x15
42 #define AX88772A_PHY15H_DEFAULT 0x03C8
43 
44 #define AX88772A_PHY16H		0x16
45 #define AX88772A_PHY16H_DEFAULT 0x4044
46 
47 struct ax88172_int_data {
48 	__le16 res1;
49 	u8 link;
50 	__le16 res2;
51 	u8 status;
52 	__le16 res3;
53 } __packed;
54 
55 static void asix_status(struct usbnet *dev, struct urb *urb)
56 {
57 	struct ax88172_int_data *event;
58 	int link;
59 
60 	if (urb->actual_length < 8)
61 		return;
62 
63 	event = urb->transfer_buffer;
64 	link = event->link & 0x01;
65 	if (netif_carrier_ok(dev->net) != link) {
66 		usbnet_link_change(dev, link, 1);
67 		netdev_dbg(dev->net, "Link Status is: %d\n", link);
68 	}
69 }
70 
71 static void asix_set_netdev_dev_addr(struct usbnet *dev, u8 *addr)
72 {
73 	if (is_valid_ether_addr(addr)) {
74 		memcpy(dev->net->dev_addr, addr, ETH_ALEN);
75 	} else {
76 		netdev_info(dev->net, "invalid hw address, using random\n");
77 		eth_hw_addr_random(dev->net);
78 	}
79 }
80 
81 /* Get the PHY Identifier from the PHYSID1 & PHYSID2 MII registers */
82 static u32 asix_get_phyid(struct usbnet *dev)
83 {
84 	int phy_reg;
85 	u32 phy_id;
86 	int i;
87 
88 	/* Poll for the rare case the FW or phy isn't ready yet.  */
89 	for (i = 0; i < 100; i++) {
90 		phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID1);
91 		if (phy_reg < 0)
92 			return 0;
93 		if (phy_reg != 0 && phy_reg != 0xFFFF)
94 			break;
95 		mdelay(1);
96 	}
97 
98 	if (phy_reg <= 0 || phy_reg == 0xFFFF)
99 		return 0;
100 
101 	phy_id = (phy_reg & 0xffff) << 16;
102 
103 	phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID2);
104 	if (phy_reg < 0)
105 		return 0;
106 
107 	phy_id |= (phy_reg & 0xffff);
108 
109 	return phy_id;
110 }
111 
112 static u32 asix_get_link(struct net_device *net)
113 {
114 	struct usbnet *dev = netdev_priv(net);
115 
116 	return mii_link_ok(&dev->mii);
117 }
118 
119 static int asix_ioctl (struct net_device *net, struct ifreq *rq, int cmd)
120 {
121 	struct usbnet *dev = netdev_priv(net);
122 
123 	return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
124 }
125 
126 /* We need to override some ethtool_ops so we require our
127    own structure so we don't interfere with other usbnet
128    devices that may be connected at the same time. */
129 static const struct ethtool_ops ax88172_ethtool_ops = {
130 	.get_drvinfo		= asix_get_drvinfo,
131 	.get_link		= asix_get_link,
132 	.get_msglevel		= usbnet_get_msglevel,
133 	.set_msglevel		= usbnet_set_msglevel,
134 	.get_wol		= asix_get_wol,
135 	.set_wol		= asix_set_wol,
136 	.get_eeprom_len		= asix_get_eeprom_len,
137 	.get_eeprom		= asix_get_eeprom,
138 	.set_eeprom		= asix_set_eeprom,
139 	.nway_reset		= usbnet_nway_reset,
140 	.get_link_ksettings	= usbnet_get_link_ksettings,
141 	.set_link_ksettings	= usbnet_set_link_ksettings,
142 };
143 
144 static void ax88172_set_multicast(struct net_device *net)
145 {
146 	struct usbnet *dev = netdev_priv(net);
147 	struct asix_data *data = (struct asix_data *)&dev->data;
148 	u8 rx_ctl = 0x8c;
149 
150 	if (net->flags & IFF_PROMISC) {
151 		rx_ctl |= 0x01;
152 	} else if (net->flags & IFF_ALLMULTI ||
153 		   netdev_mc_count(net) > AX_MAX_MCAST) {
154 		rx_ctl |= 0x02;
155 	} else if (netdev_mc_empty(net)) {
156 		/* just broadcast and directed */
157 	} else {
158 		/* We use the 20 byte dev->data
159 		 * for our 8 byte filter buffer
160 		 * to avoid allocating memory that
161 		 * is tricky to free later */
162 		struct netdev_hw_addr *ha;
163 		u32 crc_bits;
164 
165 		memset(data->multi_filter, 0, AX_MCAST_FILTER_SIZE);
166 
167 		/* Build the multicast hash filter. */
168 		netdev_for_each_mc_addr(ha, net) {
169 			crc_bits = ether_crc(ETH_ALEN, ha->addr) >> 26;
170 			data->multi_filter[crc_bits >> 3] |=
171 			    1 << (crc_bits & 7);
172 		}
173 
174 		asix_write_cmd_async(dev, AX_CMD_WRITE_MULTI_FILTER, 0, 0,
175 				   AX_MCAST_FILTER_SIZE, data->multi_filter);
176 
177 		rx_ctl |= 0x10;
178 	}
179 
180 	asix_write_cmd_async(dev, AX_CMD_WRITE_RX_CTL, rx_ctl, 0, 0, NULL);
181 }
182 
183 static int ax88172_link_reset(struct usbnet *dev)
184 {
185 	u8 mode;
186 	struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
187 
188 	mii_check_media(&dev->mii, 1, 1);
189 	mii_ethtool_gset(&dev->mii, &ecmd);
190 	mode = AX88172_MEDIUM_DEFAULT;
191 
192 	if (ecmd.duplex != DUPLEX_FULL)
193 		mode |= ~AX88172_MEDIUM_FD;
194 
195 	netdev_dbg(dev->net, "ax88172_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
196 		   ethtool_cmd_speed(&ecmd), ecmd.duplex, mode);
197 
198 	asix_write_medium_mode(dev, mode, 0);
199 
200 	return 0;
201 }
202 
203 static const struct net_device_ops ax88172_netdev_ops = {
204 	.ndo_open		= usbnet_open,
205 	.ndo_stop		= usbnet_stop,
206 	.ndo_start_xmit		= usbnet_start_xmit,
207 	.ndo_tx_timeout		= usbnet_tx_timeout,
208 	.ndo_change_mtu		= usbnet_change_mtu,
209 	.ndo_get_stats64	= usbnet_get_stats64,
210 	.ndo_set_mac_address 	= eth_mac_addr,
211 	.ndo_validate_addr	= eth_validate_addr,
212 	.ndo_do_ioctl		= asix_ioctl,
213 	.ndo_set_rx_mode	= ax88172_set_multicast,
214 };
215 
216 static void asix_phy_reset(struct usbnet *dev, unsigned int reset_bits)
217 {
218 	unsigned int timeout = 5000;
219 
220 	asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, reset_bits);
221 
222 	/* give phy_id a chance to process reset */
223 	udelay(500);
224 
225 	/* See IEEE 802.3 "22.2.4.1.1 Reset": 500ms max */
226 	while (timeout--) {
227 		if (asix_mdio_read(dev->net, dev->mii.phy_id, MII_BMCR)
228 							& BMCR_RESET)
229 			udelay(100);
230 		else
231 			return;
232 	}
233 
234 	netdev_err(dev->net, "BMCR_RESET timeout on phy_id %d\n",
235 		   dev->mii.phy_id);
236 }
237 
238 static int ax88172_bind(struct usbnet *dev, struct usb_interface *intf)
239 {
240 	int ret = 0;
241 	u8 buf[ETH_ALEN];
242 	int i;
243 	unsigned long gpio_bits = dev->driver_info->data;
244 
245 	usbnet_get_endpoints(dev,intf);
246 
247 	/* Toggle the GPIOs in a manufacturer/model specific way */
248 	for (i = 2; i >= 0; i--) {
249 		ret = asix_write_cmd(dev, AX_CMD_WRITE_GPIOS,
250 				(gpio_bits >> (i * 8)) & 0xff, 0, 0, NULL, 0);
251 		if (ret < 0)
252 			goto out;
253 		msleep(5);
254 	}
255 
256 	ret = asix_write_rx_ctl(dev, 0x80, 0);
257 	if (ret < 0)
258 		goto out;
259 
260 	/* Get the MAC address */
261 	ret = asix_read_cmd(dev, AX88172_CMD_READ_NODE_ID,
262 			    0, 0, ETH_ALEN, buf, 0);
263 	if (ret < 0) {
264 		netdev_dbg(dev->net, "read AX_CMD_READ_NODE_ID failed: %d\n",
265 			   ret);
266 		goto out;
267 	}
268 
269 	asix_set_netdev_dev_addr(dev, buf);
270 
271 	/* Initialize MII structure */
272 	dev->mii.dev = dev->net;
273 	dev->mii.mdio_read = asix_mdio_read;
274 	dev->mii.mdio_write = asix_mdio_write;
275 	dev->mii.phy_id_mask = 0x3f;
276 	dev->mii.reg_num_mask = 0x1f;
277 	dev->mii.phy_id = asix_get_phy_addr(dev);
278 
279 	dev->net->netdev_ops = &ax88172_netdev_ops;
280 	dev->net->ethtool_ops = &ax88172_ethtool_ops;
281 	dev->net->needed_headroom = 4; /* cf asix_tx_fixup() */
282 	dev->net->needed_tailroom = 4; /* cf asix_tx_fixup() */
283 
284 	asix_phy_reset(dev, BMCR_RESET);
285 	asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
286 		ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
287 	mii_nway_restart(&dev->mii);
288 
289 	return 0;
290 
291 out:
292 	return ret;
293 }
294 
295 static const struct ethtool_ops ax88772_ethtool_ops = {
296 	.get_drvinfo		= asix_get_drvinfo,
297 	.get_link		= asix_get_link,
298 	.get_msglevel		= usbnet_get_msglevel,
299 	.set_msglevel		= usbnet_set_msglevel,
300 	.get_wol		= asix_get_wol,
301 	.set_wol		= asix_set_wol,
302 	.get_eeprom_len		= asix_get_eeprom_len,
303 	.get_eeprom		= asix_get_eeprom,
304 	.set_eeprom		= asix_set_eeprom,
305 	.nway_reset		= usbnet_nway_reset,
306 	.get_link_ksettings	= usbnet_get_link_ksettings,
307 	.set_link_ksettings	= usbnet_set_link_ksettings,
308 };
309 
310 static int ax88772_link_reset(struct usbnet *dev)
311 {
312 	u16 mode;
313 	struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
314 
315 	mii_check_media(&dev->mii, 1, 1);
316 	mii_ethtool_gset(&dev->mii, &ecmd);
317 	mode = AX88772_MEDIUM_DEFAULT;
318 
319 	if (ethtool_cmd_speed(&ecmd) != SPEED_100)
320 		mode &= ~AX_MEDIUM_PS;
321 
322 	if (ecmd.duplex != DUPLEX_FULL)
323 		mode &= ~AX_MEDIUM_FD;
324 
325 	netdev_dbg(dev->net, "ax88772_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
326 		   ethtool_cmd_speed(&ecmd), ecmd.duplex, mode);
327 
328 	asix_write_medium_mode(dev, mode, 0);
329 
330 	return 0;
331 }
332 
333 static int ax88772_reset(struct usbnet *dev)
334 {
335 	struct asix_data *data = (struct asix_data *)&dev->data;
336 	int ret;
337 
338 	/* Rewrite MAC address */
339 	ether_addr_copy(data->mac_addr, dev->net->dev_addr);
340 	ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0,
341 			     ETH_ALEN, data->mac_addr, 0);
342 	if (ret < 0)
343 		goto out;
344 
345 	/* Set RX_CTL to default values with 2k buffer, and enable cactus */
346 	ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, 0);
347 	if (ret < 0)
348 		goto out;
349 
350 	ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT, 0);
351 	if (ret < 0)
352 		goto out;
353 
354 	return 0;
355 
356 out:
357 	return ret;
358 }
359 
360 static int ax88772_hw_reset(struct usbnet *dev, int in_pm)
361 {
362 	struct asix_data *data = (struct asix_data *)&dev->data;
363 	int ret, embd_phy;
364 	u16 rx_ctl;
365 
366 	ret = asix_write_gpio(dev, AX_GPIO_RSE | AX_GPIO_GPO_2 |
367 			      AX_GPIO_GPO2EN, 5, in_pm);
368 	if (ret < 0)
369 		goto out;
370 
371 	embd_phy = ((dev->mii.phy_id & 0x1f) == 0x10 ? 1 : 0);
372 
373 	ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, embd_phy,
374 			     0, 0, NULL, in_pm);
375 	if (ret < 0) {
376 		netdev_dbg(dev->net, "Select PHY #1 failed: %d\n", ret);
377 		goto out;
378 	}
379 
380 	if (embd_phy) {
381 		ret = asix_sw_reset(dev, AX_SWRESET_IPPD, in_pm);
382 		if (ret < 0)
383 			goto out;
384 
385 		usleep_range(10000, 11000);
386 
387 		ret = asix_sw_reset(dev, AX_SWRESET_CLEAR, in_pm);
388 		if (ret < 0)
389 			goto out;
390 
391 		msleep(60);
392 
393 		ret = asix_sw_reset(dev, AX_SWRESET_IPRL | AX_SWRESET_PRL,
394 				    in_pm);
395 		if (ret < 0)
396 			goto out;
397 	} else {
398 		ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_PRL,
399 				    in_pm);
400 		if (ret < 0)
401 			goto out;
402 	}
403 
404 	msleep(150);
405 
406 	if (in_pm && (!asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
407 					   MII_PHYSID1))){
408 		ret = -EIO;
409 		goto out;
410 	}
411 
412 	ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm);
413 	if (ret < 0)
414 		goto out;
415 
416 	ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT, in_pm);
417 	if (ret < 0)
418 		goto out;
419 
420 	ret = asix_write_cmd(dev, AX_CMD_WRITE_IPG0,
421 			     AX88772_IPG0_DEFAULT | AX88772_IPG1_DEFAULT,
422 			     AX88772_IPG2_DEFAULT, 0, NULL, in_pm);
423 	if (ret < 0) {
424 		netdev_dbg(dev->net, "Write IPG,IPG1,IPG2 failed: %d\n", ret);
425 		goto out;
426 	}
427 
428 	/* Rewrite MAC address */
429 	ether_addr_copy(data->mac_addr, dev->net->dev_addr);
430 	ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0,
431 			     ETH_ALEN, data->mac_addr, in_pm);
432 	if (ret < 0)
433 		goto out;
434 
435 	/* Set RX_CTL to default values with 2k buffer, and enable cactus */
436 	ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm);
437 	if (ret < 0)
438 		goto out;
439 
440 	rx_ctl = asix_read_rx_ctl(dev, in_pm);
441 	netdev_dbg(dev->net, "RX_CTL is 0x%04x after all initializations\n",
442 		   rx_ctl);
443 
444 	rx_ctl = asix_read_medium_status(dev, in_pm);
445 	netdev_dbg(dev->net,
446 		   "Medium Status is 0x%04x after all initializations\n",
447 		   rx_ctl);
448 
449 	return 0;
450 
451 out:
452 	return ret;
453 }
454 
455 static int ax88772a_hw_reset(struct usbnet *dev, int in_pm)
456 {
457 	struct asix_data *data = (struct asix_data *)&dev->data;
458 	int ret, embd_phy;
459 	u16 rx_ctl, phy14h, phy15h, phy16h;
460 	u8 chipcode = 0;
461 
462 	ret = asix_write_gpio(dev, AX_GPIO_RSE, 5, in_pm);
463 	if (ret < 0)
464 		goto out;
465 
466 	embd_phy = ((dev->mii.phy_id & 0x1f) == 0x10 ? 1 : 0);
467 
468 	ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, embd_phy |
469 			     AX_PHYSEL_SSEN, 0, 0, NULL, in_pm);
470 	if (ret < 0) {
471 		netdev_dbg(dev->net, "Select PHY #1 failed: %d\n", ret);
472 		goto out;
473 	}
474 	usleep_range(10000, 11000);
475 
476 	ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_IPRL, in_pm);
477 	if (ret < 0)
478 		goto out;
479 
480 	usleep_range(10000, 11000);
481 
482 	ret = asix_sw_reset(dev, AX_SWRESET_IPRL, in_pm);
483 	if (ret < 0)
484 		goto out;
485 
486 	msleep(160);
487 
488 	ret = asix_sw_reset(dev, AX_SWRESET_CLEAR, in_pm);
489 	if (ret < 0)
490 		goto out;
491 
492 	ret = asix_sw_reset(dev, AX_SWRESET_IPRL, in_pm);
493 	if (ret < 0)
494 		goto out;
495 
496 	msleep(200);
497 
498 	if (in_pm && (!asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
499 					   MII_PHYSID1))) {
500 		ret = -1;
501 		goto out;
502 	}
503 
504 	ret = asix_read_cmd(dev, AX_CMD_STATMNGSTS_REG, 0,
505 			    0, 1, &chipcode, in_pm);
506 	if (ret < 0)
507 		goto out;
508 
509 	if ((chipcode & AX_CHIPCODE_MASK) == AX_AX88772B_CHIPCODE) {
510 		ret = asix_write_cmd(dev, AX_QCTCTRL, 0x8000, 0x8001,
511 				     0, NULL, in_pm);
512 		if (ret < 0) {
513 			netdev_dbg(dev->net, "Write BQ setting failed: %d\n",
514 				   ret);
515 			goto out;
516 		}
517 	} else if ((chipcode & AX_CHIPCODE_MASK) == AX_AX88772A_CHIPCODE) {
518 		/* Check if the PHY registers have default settings */
519 		phy14h = asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
520 					     AX88772A_PHY14H);
521 		phy15h = asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
522 					     AX88772A_PHY15H);
523 		phy16h = asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
524 					     AX88772A_PHY16H);
525 
526 		netdev_dbg(dev->net,
527 			   "772a_hw_reset: MR20=0x%x MR21=0x%x MR22=0x%x\n",
528 			   phy14h, phy15h, phy16h);
529 
530 		/* Restore PHY registers default setting if not */
531 		if (phy14h != AX88772A_PHY14H_DEFAULT)
532 			asix_mdio_write_nopm(dev->net, dev->mii.phy_id,
533 					     AX88772A_PHY14H,
534 					     AX88772A_PHY14H_DEFAULT);
535 		if (phy15h != AX88772A_PHY15H_DEFAULT)
536 			asix_mdio_write_nopm(dev->net, dev->mii.phy_id,
537 					     AX88772A_PHY15H,
538 					     AX88772A_PHY15H_DEFAULT);
539 		if (phy16h != AX88772A_PHY16H_DEFAULT)
540 			asix_mdio_write_nopm(dev->net, dev->mii.phy_id,
541 					     AX88772A_PHY16H,
542 					     AX88772A_PHY16H_DEFAULT);
543 	}
544 
545 	ret = asix_write_cmd(dev, AX_CMD_WRITE_IPG0,
546 				AX88772_IPG0_DEFAULT | AX88772_IPG1_DEFAULT,
547 				AX88772_IPG2_DEFAULT, 0, NULL, in_pm);
548 	if (ret < 0) {
549 		netdev_dbg(dev->net, "Write IPG,IPG1,IPG2 failed: %d\n", ret);
550 		goto out;
551 	}
552 
553 	/* Rewrite MAC address */
554 	memcpy(data->mac_addr, dev->net->dev_addr, ETH_ALEN);
555 	ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN,
556 							data->mac_addr, in_pm);
557 	if (ret < 0)
558 		goto out;
559 
560 	/* Set RX_CTL to default values with 2k buffer, and enable cactus */
561 	ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm);
562 	if (ret < 0)
563 		goto out;
564 
565 	ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT, in_pm);
566 	if (ret < 0)
567 		return ret;
568 
569 	/* Set RX_CTL to default values with 2k buffer, and enable cactus */
570 	ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm);
571 	if (ret < 0)
572 		goto out;
573 
574 	rx_ctl = asix_read_rx_ctl(dev, in_pm);
575 	netdev_dbg(dev->net, "RX_CTL is 0x%04x after all initializations\n",
576 		   rx_ctl);
577 
578 	rx_ctl = asix_read_medium_status(dev, in_pm);
579 	netdev_dbg(dev->net,
580 		   "Medium Status is 0x%04x after all initializations\n",
581 		   rx_ctl);
582 
583 	return 0;
584 
585 out:
586 	return ret;
587 }
588 
589 static const struct net_device_ops ax88772_netdev_ops = {
590 	.ndo_open		= usbnet_open,
591 	.ndo_stop		= usbnet_stop,
592 	.ndo_start_xmit		= usbnet_start_xmit,
593 	.ndo_tx_timeout		= usbnet_tx_timeout,
594 	.ndo_change_mtu		= usbnet_change_mtu,
595 	.ndo_get_stats64	= usbnet_get_stats64,
596 	.ndo_set_mac_address 	= asix_set_mac_address,
597 	.ndo_validate_addr	= eth_validate_addr,
598 	.ndo_do_ioctl		= asix_ioctl,
599 	.ndo_set_rx_mode        = asix_set_multicast,
600 };
601 
602 static void ax88772_suspend(struct usbnet *dev)
603 {
604 	struct asix_common_private *priv = dev->driver_priv;
605 	u16 medium;
606 
607 	/* Stop MAC operation */
608 	medium = asix_read_medium_status(dev, 1);
609 	medium &= ~AX_MEDIUM_RE;
610 	asix_write_medium_mode(dev, medium, 1);
611 
612 	netdev_dbg(dev->net, "ax88772_suspend: medium=0x%04x\n",
613 		   asix_read_medium_status(dev, 1));
614 
615 	/* Preserve BMCR for restoring */
616 	priv->presvd_phy_bmcr =
617 		asix_mdio_read_nopm(dev->net, dev->mii.phy_id, MII_BMCR);
618 
619 	/* Preserve ANAR for restoring */
620 	priv->presvd_phy_advertise =
621 		asix_mdio_read_nopm(dev->net, dev->mii.phy_id, MII_ADVERTISE);
622 }
623 
624 static int asix_suspend(struct usb_interface *intf, pm_message_t message)
625 {
626 	struct usbnet *dev = usb_get_intfdata(intf);
627 	struct asix_common_private *priv = dev->driver_priv;
628 
629 	if (priv && priv->suspend)
630 		priv->suspend(dev);
631 
632 	return usbnet_suspend(intf, message);
633 }
634 
635 static void ax88772_restore_phy(struct usbnet *dev)
636 {
637 	struct asix_common_private *priv = dev->driver_priv;
638 
639 	if (priv->presvd_phy_advertise) {
640 		/* Restore Advertisement control reg */
641 		asix_mdio_write_nopm(dev->net, dev->mii.phy_id, MII_ADVERTISE,
642 				     priv->presvd_phy_advertise);
643 
644 		/* Restore BMCR */
645 		asix_mdio_write_nopm(dev->net, dev->mii.phy_id, MII_BMCR,
646 				     priv->presvd_phy_bmcr);
647 
648 		mii_nway_restart(&dev->mii);
649 		priv->presvd_phy_advertise = 0;
650 		priv->presvd_phy_bmcr = 0;
651 	}
652 }
653 
654 static void ax88772_resume(struct usbnet *dev)
655 {
656 	int i;
657 
658 	for (i = 0; i < 3; i++)
659 		if (!ax88772_hw_reset(dev, 1))
660 			break;
661 	ax88772_restore_phy(dev);
662 }
663 
664 static void ax88772a_resume(struct usbnet *dev)
665 {
666 	int i;
667 
668 	for (i = 0; i < 3; i++) {
669 		if (!ax88772a_hw_reset(dev, 1))
670 			break;
671 	}
672 
673 	ax88772_restore_phy(dev);
674 }
675 
676 static int asix_resume(struct usb_interface *intf)
677 {
678 	struct usbnet *dev = usb_get_intfdata(intf);
679 	struct asix_common_private *priv = dev->driver_priv;
680 
681 	if (priv && priv->resume)
682 		priv->resume(dev);
683 
684 	return usbnet_resume(intf);
685 }
686 
687 static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf)
688 {
689 	int ret, i;
690 	u8 buf[ETH_ALEN], chipcode = 0;
691 	u32 phyid;
692 	struct asix_common_private *priv;
693 
694 	usbnet_get_endpoints(dev, intf);
695 
696 	/* Maybe the boot loader passed the MAC address via device tree */
697 	if (!eth_platform_get_mac_address(&dev->udev->dev, buf)) {
698 		netif_dbg(dev, ifup, dev->net,
699 			  "MAC address read from device tree");
700 	} else {
701 		/* Try getting the MAC address from EEPROM */
702 		if (dev->driver_info->data & FLAG_EEPROM_MAC) {
703 			for (i = 0; i < (ETH_ALEN >> 1); i++) {
704 				ret = asix_read_cmd(dev, AX_CMD_READ_EEPROM,
705 						    0x04 + i, 0, 2, buf + i * 2,
706 						    0);
707 				if (ret < 0)
708 					break;
709 			}
710 		} else {
711 			ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID,
712 					    0, 0, ETH_ALEN, buf, 0);
713 		}
714 
715 		if (ret < 0) {
716 			netdev_dbg(dev->net, "Failed to read MAC address: %d\n",
717 				   ret);
718 			return ret;
719 		}
720 	}
721 
722 	asix_set_netdev_dev_addr(dev, buf);
723 
724 	/* Initialize MII structure */
725 	dev->mii.dev = dev->net;
726 	dev->mii.mdio_read = asix_mdio_read;
727 	dev->mii.mdio_write = asix_mdio_write;
728 	dev->mii.phy_id_mask = 0x1f;
729 	dev->mii.reg_num_mask = 0x1f;
730 	dev->mii.phy_id = asix_get_phy_addr(dev);
731 
732 	dev->net->netdev_ops = &ax88772_netdev_ops;
733 	dev->net->ethtool_ops = &ax88772_ethtool_ops;
734 	dev->net->needed_headroom = 4; /* cf asix_tx_fixup() */
735 	dev->net->needed_tailroom = 4; /* cf asix_tx_fixup() */
736 
737 	asix_read_cmd(dev, AX_CMD_STATMNGSTS_REG, 0, 0, 1, &chipcode, 0);
738 	chipcode &= AX_CHIPCODE_MASK;
739 
740 	(chipcode == AX_AX88772_CHIPCODE) ? ax88772_hw_reset(dev, 0) :
741 					    ax88772a_hw_reset(dev, 0);
742 
743 	/* Read PHYID register *AFTER* the PHY was reset properly */
744 	phyid = asix_get_phyid(dev);
745 	netdev_dbg(dev->net, "PHYID=0x%08x\n", phyid);
746 
747 	/* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
748 	if (dev->driver_info->flags & FLAG_FRAMING_AX) {
749 		/* hard_mtu  is still the default - the device does not support
750 		   jumbo eth frames */
751 		dev->rx_urb_size = 2048;
752 	}
753 
754 	dev->driver_priv = kzalloc(sizeof(struct asix_common_private), GFP_KERNEL);
755 	if (!dev->driver_priv)
756 		return -ENOMEM;
757 
758 	priv = dev->driver_priv;
759 
760 	priv->presvd_phy_bmcr = 0;
761 	priv->presvd_phy_advertise = 0;
762 	if (chipcode == AX_AX88772_CHIPCODE) {
763 		priv->resume = ax88772_resume;
764 		priv->suspend = ax88772_suspend;
765 	} else {
766 		priv->resume = ax88772a_resume;
767 		priv->suspend = ax88772_suspend;
768 	}
769 
770 	return 0;
771 }
772 
773 static void ax88772_unbind(struct usbnet *dev, struct usb_interface *intf)
774 {
775 	asix_rx_fixup_common_free(dev->driver_priv);
776 	kfree(dev->driver_priv);
777 }
778 
779 static const struct ethtool_ops ax88178_ethtool_ops = {
780 	.get_drvinfo		= asix_get_drvinfo,
781 	.get_link		= asix_get_link,
782 	.get_msglevel		= usbnet_get_msglevel,
783 	.set_msglevel		= usbnet_set_msglevel,
784 	.get_wol		= asix_get_wol,
785 	.set_wol		= asix_set_wol,
786 	.get_eeprom_len		= asix_get_eeprom_len,
787 	.get_eeprom		= asix_get_eeprom,
788 	.set_eeprom		= asix_set_eeprom,
789 	.nway_reset		= usbnet_nway_reset,
790 	.get_link_ksettings	= usbnet_get_link_ksettings,
791 	.set_link_ksettings	= usbnet_set_link_ksettings,
792 };
793 
794 static int marvell_phy_init(struct usbnet *dev)
795 {
796 	struct asix_data *data = (struct asix_data *)&dev->data;
797 	u16 reg;
798 
799 	netdev_dbg(dev->net, "marvell_phy_init()\n");
800 
801 	reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_MARVELL_STATUS);
802 	netdev_dbg(dev->net, "MII_MARVELL_STATUS = 0x%04x\n", reg);
803 
804 	asix_mdio_write(dev->net, dev->mii.phy_id, MII_MARVELL_CTRL,
805 			MARVELL_CTRL_RXDELAY | MARVELL_CTRL_TXDELAY);
806 
807 	if (data->ledmode) {
808 		reg = asix_mdio_read(dev->net, dev->mii.phy_id,
809 			MII_MARVELL_LED_CTRL);
810 		netdev_dbg(dev->net, "MII_MARVELL_LED_CTRL (1) = 0x%04x\n", reg);
811 
812 		reg &= 0xf8ff;
813 		reg |= (1 + 0x0100);
814 		asix_mdio_write(dev->net, dev->mii.phy_id,
815 			MII_MARVELL_LED_CTRL, reg);
816 
817 		reg = asix_mdio_read(dev->net, dev->mii.phy_id,
818 			MII_MARVELL_LED_CTRL);
819 		netdev_dbg(dev->net, "MII_MARVELL_LED_CTRL (2) = 0x%04x\n", reg);
820 		reg &= 0xfc0f;
821 	}
822 
823 	return 0;
824 }
825 
826 static int rtl8211cl_phy_init(struct usbnet *dev)
827 {
828 	struct asix_data *data = (struct asix_data *)&dev->data;
829 
830 	netdev_dbg(dev->net, "rtl8211cl_phy_init()\n");
831 
832 	asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0x0005);
833 	asix_mdio_write (dev->net, dev->mii.phy_id, 0x0c, 0);
834 	asix_mdio_write (dev->net, dev->mii.phy_id, 0x01,
835 		asix_mdio_read (dev->net, dev->mii.phy_id, 0x01) | 0x0080);
836 	asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0);
837 
838 	if (data->ledmode == 12) {
839 		asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0x0002);
840 		asix_mdio_write (dev->net, dev->mii.phy_id, 0x1a, 0x00cb);
841 		asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0);
842 	}
843 
844 	return 0;
845 }
846 
847 static int marvell_led_status(struct usbnet *dev, u16 speed)
848 {
849 	u16 reg = asix_mdio_read(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL);
850 
851 	netdev_dbg(dev->net, "marvell_led_status() read 0x%04x\n", reg);
852 
853 	/* Clear out the center LED bits - 0x03F0 */
854 	reg &= 0xfc0f;
855 
856 	switch (speed) {
857 		case SPEED_1000:
858 			reg |= 0x03e0;
859 			break;
860 		case SPEED_100:
861 			reg |= 0x03b0;
862 			break;
863 		default:
864 			reg |= 0x02f0;
865 	}
866 
867 	netdev_dbg(dev->net, "marvell_led_status() writing 0x%04x\n", reg);
868 	asix_mdio_write(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL, reg);
869 
870 	return 0;
871 }
872 
873 static int ax88178_reset(struct usbnet *dev)
874 {
875 	struct asix_data *data = (struct asix_data *)&dev->data;
876 	int ret;
877 	__le16 eeprom;
878 	u8 status;
879 	int gpio0 = 0;
880 	u32 phyid;
881 
882 	asix_read_cmd(dev, AX_CMD_READ_GPIOS, 0, 0, 1, &status, 0);
883 	netdev_dbg(dev->net, "GPIO Status: 0x%04x\n", status);
884 
885 	asix_write_cmd(dev, AX_CMD_WRITE_ENABLE, 0, 0, 0, NULL, 0);
886 	asix_read_cmd(dev, AX_CMD_READ_EEPROM, 0x0017, 0, 2, &eeprom, 0);
887 	asix_write_cmd(dev, AX_CMD_WRITE_DISABLE, 0, 0, 0, NULL, 0);
888 
889 	netdev_dbg(dev->net, "EEPROM index 0x17 is 0x%04x\n", eeprom);
890 
891 	if (eeprom == cpu_to_le16(0xffff)) {
892 		data->phymode = PHY_MODE_MARVELL;
893 		data->ledmode = 0;
894 		gpio0 = 1;
895 	} else {
896 		data->phymode = le16_to_cpu(eeprom) & 0x7F;
897 		data->ledmode = le16_to_cpu(eeprom) >> 8;
898 		gpio0 = (le16_to_cpu(eeprom) & 0x80) ? 0 : 1;
899 	}
900 	netdev_dbg(dev->net, "GPIO0: %d, PhyMode: %d\n", gpio0, data->phymode);
901 
902 	/* Power up external GigaPHY through AX88178 GPIO pin */
903 	asix_write_gpio(dev, AX_GPIO_RSE | AX_GPIO_GPO_1 |
904 			AX_GPIO_GPO1EN, 40, 0);
905 	if ((le16_to_cpu(eeprom) >> 8) != 1) {
906 		asix_write_gpio(dev, 0x003c, 30, 0);
907 		asix_write_gpio(dev, 0x001c, 300, 0);
908 		asix_write_gpio(dev, 0x003c, 30, 0);
909 	} else {
910 		netdev_dbg(dev->net, "gpio phymode == 1 path\n");
911 		asix_write_gpio(dev, AX_GPIO_GPO1EN, 30, 0);
912 		asix_write_gpio(dev, AX_GPIO_GPO1EN | AX_GPIO_GPO_1, 30, 0);
913 	}
914 
915 	/* Read PHYID register *AFTER* powering up PHY */
916 	phyid = asix_get_phyid(dev);
917 	netdev_dbg(dev->net, "PHYID=0x%08x\n", phyid);
918 
919 	/* Set AX88178 to enable MII/GMII/RGMII interface for external PHY */
920 	asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, 0, 0, 0, NULL, 0);
921 
922 	asix_sw_reset(dev, 0, 0);
923 	msleep(150);
924 
925 	asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD, 0);
926 	msleep(150);
927 
928 	asix_write_rx_ctl(dev, 0, 0);
929 
930 	if (data->phymode == PHY_MODE_MARVELL) {
931 		marvell_phy_init(dev);
932 		msleep(60);
933 	} else if (data->phymode == PHY_MODE_RTL8211CL)
934 		rtl8211cl_phy_init(dev);
935 
936 	asix_phy_reset(dev, BMCR_RESET | BMCR_ANENABLE);
937 	asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
938 			ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
939 	asix_mdio_write(dev->net, dev->mii.phy_id, MII_CTRL1000,
940 			ADVERTISE_1000FULL);
941 
942 	asix_write_medium_mode(dev, AX88178_MEDIUM_DEFAULT, 0);
943 	mii_nway_restart(&dev->mii);
944 
945 	/* Rewrite MAC address */
946 	memcpy(data->mac_addr, dev->net->dev_addr, ETH_ALEN);
947 	ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN,
948 							data->mac_addr, 0);
949 	if (ret < 0)
950 		return ret;
951 
952 	ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, 0);
953 	if (ret < 0)
954 		return ret;
955 
956 	return 0;
957 }
958 
959 static int ax88178_link_reset(struct usbnet *dev)
960 {
961 	u16 mode;
962 	struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
963 	struct asix_data *data = (struct asix_data *)&dev->data;
964 	u32 speed;
965 
966 	netdev_dbg(dev->net, "ax88178_link_reset()\n");
967 
968 	mii_check_media(&dev->mii, 1, 1);
969 	mii_ethtool_gset(&dev->mii, &ecmd);
970 	mode = AX88178_MEDIUM_DEFAULT;
971 	speed = ethtool_cmd_speed(&ecmd);
972 
973 	if (speed == SPEED_1000)
974 		mode |= AX_MEDIUM_GM;
975 	else if (speed == SPEED_100)
976 		mode |= AX_MEDIUM_PS;
977 	else
978 		mode &= ~(AX_MEDIUM_PS | AX_MEDIUM_GM);
979 
980 	mode |= AX_MEDIUM_ENCK;
981 
982 	if (ecmd.duplex == DUPLEX_FULL)
983 		mode |= AX_MEDIUM_FD;
984 	else
985 		mode &= ~AX_MEDIUM_FD;
986 
987 	netdev_dbg(dev->net, "ax88178_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
988 		   speed, ecmd.duplex, mode);
989 
990 	asix_write_medium_mode(dev, mode, 0);
991 
992 	if (data->phymode == PHY_MODE_MARVELL && data->ledmode)
993 		marvell_led_status(dev, speed);
994 
995 	return 0;
996 }
997 
998 static void ax88178_set_mfb(struct usbnet *dev)
999 {
1000 	u16 mfb = AX_RX_CTL_MFB_16384;
1001 	u16 rxctl;
1002 	u16 medium;
1003 	int old_rx_urb_size = dev->rx_urb_size;
1004 
1005 	if (dev->hard_mtu < 2048) {
1006 		dev->rx_urb_size = 2048;
1007 		mfb = AX_RX_CTL_MFB_2048;
1008 	} else if (dev->hard_mtu < 4096) {
1009 		dev->rx_urb_size = 4096;
1010 		mfb = AX_RX_CTL_MFB_4096;
1011 	} else if (dev->hard_mtu < 8192) {
1012 		dev->rx_urb_size = 8192;
1013 		mfb = AX_RX_CTL_MFB_8192;
1014 	} else if (dev->hard_mtu < 16384) {
1015 		dev->rx_urb_size = 16384;
1016 		mfb = AX_RX_CTL_MFB_16384;
1017 	}
1018 
1019 	rxctl = asix_read_rx_ctl(dev, 0);
1020 	asix_write_rx_ctl(dev, (rxctl & ~AX_RX_CTL_MFB_16384) | mfb, 0);
1021 
1022 	medium = asix_read_medium_status(dev, 0);
1023 	if (dev->net->mtu > 1500)
1024 		medium |= AX_MEDIUM_JFE;
1025 	else
1026 		medium &= ~AX_MEDIUM_JFE;
1027 	asix_write_medium_mode(dev, medium, 0);
1028 
1029 	if (dev->rx_urb_size > old_rx_urb_size)
1030 		usbnet_unlink_rx_urbs(dev);
1031 }
1032 
1033 static int ax88178_change_mtu(struct net_device *net, int new_mtu)
1034 {
1035 	struct usbnet *dev = netdev_priv(net);
1036 	int ll_mtu = new_mtu + net->hard_header_len + 4;
1037 
1038 	netdev_dbg(dev->net, "ax88178_change_mtu() new_mtu=%d\n", new_mtu);
1039 
1040 	if ((ll_mtu % dev->maxpacket) == 0)
1041 		return -EDOM;
1042 
1043 	net->mtu = new_mtu;
1044 	dev->hard_mtu = net->mtu + net->hard_header_len;
1045 	ax88178_set_mfb(dev);
1046 
1047 	/* max qlen depend on hard_mtu and rx_urb_size */
1048 	usbnet_update_max_qlen(dev);
1049 
1050 	return 0;
1051 }
1052 
1053 static const struct net_device_ops ax88178_netdev_ops = {
1054 	.ndo_open		= usbnet_open,
1055 	.ndo_stop		= usbnet_stop,
1056 	.ndo_start_xmit		= usbnet_start_xmit,
1057 	.ndo_tx_timeout		= usbnet_tx_timeout,
1058 	.ndo_get_stats64	= usbnet_get_stats64,
1059 	.ndo_set_mac_address 	= asix_set_mac_address,
1060 	.ndo_validate_addr	= eth_validate_addr,
1061 	.ndo_set_rx_mode	= asix_set_multicast,
1062 	.ndo_do_ioctl 		= asix_ioctl,
1063 	.ndo_change_mtu 	= ax88178_change_mtu,
1064 };
1065 
1066 static int ax88178_bind(struct usbnet *dev, struct usb_interface *intf)
1067 {
1068 	int ret;
1069 	u8 buf[ETH_ALEN];
1070 
1071 	usbnet_get_endpoints(dev,intf);
1072 
1073 	/* Get the MAC address */
1074 	ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf, 0);
1075 	if (ret < 0) {
1076 		netdev_dbg(dev->net, "Failed to read MAC address: %d\n", ret);
1077 		return ret;
1078 	}
1079 
1080 	asix_set_netdev_dev_addr(dev, buf);
1081 
1082 	/* Initialize MII structure */
1083 	dev->mii.dev = dev->net;
1084 	dev->mii.mdio_read = asix_mdio_read;
1085 	dev->mii.mdio_write = asix_mdio_write;
1086 	dev->mii.phy_id_mask = 0x1f;
1087 	dev->mii.reg_num_mask = 0xff;
1088 	dev->mii.supports_gmii = 1;
1089 	dev->mii.phy_id = asix_get_phy_addr(dev);
1090 
1091 	dev->net->netdev_ops = &ax88178_netdev_ops;
1092 	dev->net->ethtool_ops = &ax88178_ethtool_ops;
1093 	dev->net->max_mtu = 16384 - (dev->net->hard_header_len + 4);
1094 
1095 	/* Blink LEDS so users know driver saw dongle */
1096 	asix_sw_reset(dev, 0, 0);
1097 	msleep(150);
1098 
1099 	asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD, 0);
1100 	msleep(150);
1101 
1102 	/* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
1103 	if (dev->driver_info->flags & FLAG_FRAMING_AX) {
1104 		/* hard_mtu  is still the default - the device does not support
1105 		   jumbo eth frames */
1106 		dev->rx_urb_size = 2048;
1107 	}
1108 
1109 	dev->driver_priv = kzalloc(sizeof(struct asix_common_private), GFP_KERNEL);
1110 	if (!dev->driver_priv)
1111 			return -ENOMEM;
1112 
1113 	return 0;
1114 }
1115 
1116 static const struct driver_info ax8817x_info = {
1117 	.description = "ASIX AX8817x USB 2.0 Ethernet",
1118 	.bind = ax88172_bind,
1119 	.status = asix_status,
1120 	.link_reset = ax88172_link_reset,
1121 	.reset = ax88172_link_reset,
1122 	.flags =  FLAG_ETHER | FLAG_LINK_INTR,
1123 	.data = 0x00130103,
1124 };
1125 
1126 static const struct driver_info dlink_dub_e100_info = {
1127 	.description = "DLink DUB-E100 USB Ethernet",
1128 	.bind = ax88172_bind,
1129 	.status = asix_status,
1130 	.link_reset = ax88172_link_reset,
1131 	.reset = ax88172_link_reset,
1132 	.flags =  FLAG_ETHER | FLAG_LINK_INTR,
1133 	.data = 0x009f9d9f,
1134 };
1135 
1136 static const struct driver_info netgear_fa120_info = {
1137 	.description = "Netgear FA-120 USB Ethernet",
1138 	.bind = ax88172_bind,
1139 	.status = asix_status,
1140 	.link_reset = ax88172_link_reset,
1141 	.reset = ax88172_link_reset,
1142 	.flags =  FLAG_ETHER | FLAG_LINK_INTR,
1143 	.data = 0x00130103,
1144 };
1145 
1146 static const struct driver_info hawking_uf200_info = {
1147 	.description = "Hawking UF200 USB Ethernet",
1148 	.bind = ax88172_bind,
1149 	.status = asix_status,
1150 	.link_reset = ax88172_link_reset,
1151 	.reset = ax88172_link_reset,
1152 	.flags =  FLAG_ETHER | FLAG_LINK_INTR,
1153 	.data = 0x001f1d1f,
1154 };
1155 
1156 static const struct driver_info ax88772_info = {
1157 	.description = "ASIX AX88772 USB 2.0 Ethernet",
1158 	.bind = ax88772_bind,
1159 	.unbind = ax88772_unbind,
1160 	.status = asix_status,
1161 	.link_reset = ax88772_link_reset,
1162 	.reset = ax88772_reset,
1163 	.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR | FLAG_MULTI_PACKET,
1164 	.rx_fixup = asix_rx_fixup_common,
1165 	.tx_fixup = asix_tx_fixup,
1166 };
1167 
1168 static const struct driver_info ax88772b_info = {
1169 	.description = "ASIX AX88772B USB 2.0 Ethernet",
1170 	.bind = ax88772_bind,
1171 	.unbind = ax88772_unbind,
1172 	.status = asix_status,
1173 	.link_reset = ax88772_link_reset,
1174 	.reset = ax88772_reset,
1175 	.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR |
1176 	         FLAG_MULTI_PACKET,
1177 	.rx_fixup = asix_rx_fixup_common,
1178 	.tx_fixup = asix_tx_fixup,
1179 	.data = FLAG_EEPROM_MAC,
1180 };
1181 
1182 static const struct driver_info ax88178_info = {
1183 	.description = "ASIX AX88178 USB 2.0 Ethernet",
1184 	.bind = ax88178_bind,
1185 	.unbind = ax88772_unbind,
1186 	.status = asix_status,
1187 	.link_reset = ax88178_link_reset,
1188 	.reset = ax88178_reset,
1189 	.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR |
1190 		 FLAG_MULTI_PACKET,
1191 	.rx_fixup = asix_rx_fixup_common,
1192 	.tx_fixup = asix_tx_fixup,
1193 };
1194 
1195 /*
1196  * USBLINK 20F9 "USB 2.0 LAN" USB ethernet adapter, typically found in
1197  * no-name packaging.
1198  * USB device strings are:
1199  *   1: Manufacturer: USBLINK
1200  *   2: Product: HG20F9 USB2.0
1201  *   3: Serial: 000003
1202  * Appears to be compatible with Asix 88772B.
1203  */
1204 static const struct driver_info hg20f9_info = {
1205 	.description = "HG20F9 USB 2.0 Ethernet",
1206 	.bind = ax88772_bind,
1207 	.unbind = ax88772_unbind,
1208 	.status = asix_status,
1209 	.link_reset = ax88772_link_reset,
1210 	.reset = ax88772_reset,
1211 	.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR |
1212 	         FLAG_MULTI_PACKET,
1213 	.rx_fixup = asix_rx_fixup_common,
1214 	.tx_fixup = asix_tx_fixup,
1215 	.data = FLAG_EEPROM_MAC,
1216 };
1217 
1218 static const struct usb_device_id	products [] = {
1219 {
1220 	// Linksys USB200M
1221 	USB_DEVICE (0x077b, 0x2226),
1222 	.driver_info =	(unsigned long) &ax8817x_info,
1223 }, {
1224 	// Netgear FA120
1225 	USB_DEVICE (0x0846, 0x1040),
1226 	.driver_info =  (unsigned long) &netgear_fa120_info,
1227 }, {
1228 	// DLink DUB-E100
1229 	USB_DEVICE (0x2001, 0x1a00),
1230 	.driver_info =  (unsigned long) &dlink_dub_e100_info,
1231 }, {
1232 	// Intellinet, ST Lab USB Ethernet
1233 	USB_DEVICE (0x0b95, 0x1720),
1234 	.driver_info =  (unsigned long) &ax8817x_info,
1235 }, {
1236 	// Hawking UF200, TrendNet TU2-ET100
1237 	USB_DEVICE (0x07b8, 0x420a),
1238 	.driver_info =  (unsigned long) &hawking_uf200_info,
1239 }, {
1240 	// Billionton Systems, USB2AR
1241 	USB_DEVICE (0x08dd, 0x90ff),
1242 	.driver_info =  (unsigned long) &ax8817x_info,
1243 }, {
1244 	// Billionton Systems, GUSB2AM-1G-B
1245 	USB_DEVICE(0x08dd, 0x0114),
1246 	.driver_info =  (unsigned long) &ax88178_info,
1247 }, {
1248 	// ATEN UC210T
1249 	USB_DEVICE (0x0557, 0x2009),
1250 	.driver_info =  (unsigned long) &ax8817x_info,
1251 }, {
1252 	// Buffalo LUA-U2-KTX
1253 	USB_DEVICE (0x0411, 0x003d),
1254 	.driver_info =  (unsigned long) &ax8817x_info,
1255 }, {
1256 	// Buffalo LUA-U2-GT 10/100/1000
1257 	USB_DEVICE (0x0411, 0x006e),
1258 	.driver_info =  (unsigned long) &ax88178_info,
1259 }, {
1260 	// Sitecom LN-029 "USB 2.0 10/100 Ethernet adapter"
1261 	USB_DEVICE (0x6189, 0x182d),
1262 	.driver_info =  (unsigned long) &ax8817x_info,
1263 }, {
1264 	// Sitecom LN-031 "USB 2.0 10/100/1000 Ethernet adapter"
1265 	USB_DEVICE (0x0df6, 0x0056),
1266 	.driver_info =  (unsigned long) &ax88178_info,
1267 }, {
1268 	// Sitecom LN-028 "USB 2.0 10/100/1000 Ethernet adapter"
1269 	USB_DEVICE (0x0df6, 0x061c),
1270 	.driver_info =  (unsigned long) &ax88178_info,
1271 }, {
1272 	// corega FEther USB2-TX
1273 	USB_DEVICE (0x07aa, 0x0017),
1274 	.driver_info =  (unsigned long) &ax8817x_info,
1275 }, {
1276 	// Surecom EP-1427X-2
1277 	USB_DEVICE (0x1189, 0x0893),
1278 	.driver_info = (unsigned long) &ax8817x_info,
1279 }, {
1280 	// goodway corp usb gwusb2e
1281 	USB_DEVICE (0x1631, 0x6200),
1282 	.driver_info = (unsigned long) &ax8817x_info,
1283 }, {
1284 	// JVC MP-PRX1 Port Replicator
1285 	USB_DEVICE (0x04f1, 0x3008),
1286 	.driver_info = (unsigned long) &ax8817x_info,
1287 }, {
1288 	// Lenovo U2L100P 10/100
1289 	USB_DEVICE (0x17ef, 0x7203),
1290 	.driver_info = (unsigned long)&ax88772b_info,
1291 }, {
1292 	// ASIX AX88772B 10/100
1293 	USB_DEVICE (0x0b95, 0x772b),
1294 	.driver_info = (unsigned long) &ax88772b_info,
1295 }, {
1296 	// ASIX AX88772 10/100
1297 	USB_DEVICE (0x0b95, 0x7720),
1298 	.driver_info = (unsigned long) &ax88772_info,
1299 }, {
1300 	// ASIX AX88178 10/100/1000
1301 	USB_DEVICE (0x0b95, 0x1780),
1302 	.driver_info = (unsigned long) &ax88178_info,
1303 }, {
1304 	// Logitec LAN-GTJ/U2A
1305 	USB_DEVICE (0x0789, 0x0160),
1306 	.driver_info = (unsigned long) &ax88178_info,
1307 }, {
1308 	// Linksys USB200M Rev 2
1309 	USB_DEVICE (0x13b1, 0x0018),
1310 	.driver_info = (unsigned long) &ax88772_info,
1311 }, {
1312 	// 0Q0 cable ethernet
1313 	USB_DEVICE (0x1557, 0x7720),
1314 	.driver_info = (unsigned long) &ax88772_info,
1315 }, {
1316 	// DLink DUB-E100 H/W Ver B1
1317 	USB_DEVICE (0x07d1, 0x3c05),
1318 	.driver_info = (unsigned long) &ax88772_info,
1319 }, {
1320 	// DLink DUB-E100 H/W Ver B1 Alternate
1321 	USB_DEVICE (0x2001, 0x3c05),
1322 	.driver_info = (unsigned long) &ax88772_info,
1323 }, {
1324        // DLink DUB-E100 H/W Ver C1
1325        USB_DEVICE (0x2001, 0x1a02),
1326        .driver_info = (unsigned long) &ax88772_info,
1327 }, {
1328 	// Linksys USB1000
1329 	USB_DEVICE (0x1737, 0x0039),
1330 	.driver_info = (unsigned long) &ax88178_info,
1331 }, {
1332 	// IO-DATA ETG-US2
1333 	USB_DEVICE (0x04bb, 0x0930),
1334 	.driver_info = (unsigned long) &ax88178_info,
1335 }, {
1336 	// Belkin F5D5055
1337 	USB_DEVICE(0x050d, 0x5055),
1338 	.driver_info = (unsigned long) &ax88178_info,
1339 }, {
1340 	// Apple USB Ethernet Adapter
1341 	USB_DEVICE(0x05ac, 0x1402),
1342 	.driver_info = (unsigned long) &ax88772_info,
1343 }, {
1344 	// Cables-to-Go USB Ethernet Adapter
1345 	USB_DEVICE(0x0b95, 0x772a),
1346 	.driver_info = (unsigned long) &ax88772_info,
1347 }, {
1348 	// ABOCOM for pci
1349 	USB_DEVICE(0x14ea, 0xab11),
1350 	.driver_info = (unsigned long) &ax88178_info,
1351 }, {
1352 	// ASIX 88772a
1353 	USB_DEVICE(0x0db0, 0xa877),
1354 	.driver_info = (unsigned long) &ax88772_info,
1355 }, {
1356 	// Asus USB Ethernet Adapter
1357 	USB_DEVICE (0x0b95, 0x7e2b),
1358 	.driver_info = (unsigned long)&ax88772b_info,
1359 }, {
1360 	/* ASIX 88172a demo board */
1361 	USB_DEVICE(0x0b95, 0x172a),
1362 	.driver_info = (unsigned long) &ax88172a_info,
1363 }, {
1364 	/*
1365 	 * USBLINK HG20F9 "USB 2.0 LAN"
1366 	 * Appears to have gazumped Linksys's manufacturer ID but
1367 	 * doesn't (yet) conflict with any known Linksys product.
1368 	 */
1369 	USB_DEVICE(0x066b, 0x20f9),
1370 	.driver_info = (unsigned long) &hg20f9_info,
1371 },
1372 	{ },		// END
1373 };
1374 MODULE_DEVICE_TABLE(usb, products);
1375 
1376 static struct usb_driver asix_driver = {
1377 	.name =		DRIVER_NAME,
1378 	.id_table =	products,
1379 	.probe =	usbnet_probe,
1380 	.suspend =	asix_suspend,
1381 	.resume =	asix_resume,
1382 	.reset_resume =	asix_resume,
1383 	.disconnect =	usbnet_disconnect,
1384 	.supports_autosuspend = 1,
1385 	.disable_hub_initiated_lpm = 1,
1386 };
1387 
1388 module_usb_driver(asix_driver);
1389 
1390 MODULE_AUTHOR("David Hollis");
1391 MODULE_VERSION(DRIVER_VERSION);
1392 MODULE_DESCRIPTION("ASIX AX8817X based USB 2.0 Ethernet Devices");
1393 MODULE_LICENSE("GPL");
1394 
1395