xref: /openbmc/linux/drivers/net/usb/asix_devices.c (revision 8730046c)
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 	.get_settings		= usbnet_get_settings,
140 	.set_settings		= usbnet_set_settings,
141 	.nway_reset		= usbnet_nway_reset,
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_set_mac_address 	= eth_mac_addr,
210 	.ndo_validate_addr	= eth_validate_addr,
211 	.ndo_do_ioctl		= asix_ioctl,
212 	.ndo_set_rx_mode	= ax88172_set_multicast,
213 };
214 
215 static void asix_phy_reset(struct usbnet *dev, unsigned int reset_bits)
216 {
217 	unsigned int timeout = 5000;
218 
219 	asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, reset_bits);
220 
221 	/* give phy_id a chance to process reset */
222 	udelay(500);
223 
224 	/* See IEEE 802.3 "22.2.4.1.1 Reset": 500ms max */
225 	while (timeout--) {
226 		if (asix_mdio_read(dev->net, dev->mii.phy_id, MII_BMCR)
227 							& BMCR_RESET)
228 			udelay(100);
229 		else
230 			return;
231 	}
232 
233 	netdev_err(dev->net, "BMCR_RESET timeout on phy_id %d\n",
234 		   dev->mii.phy_id);
235 }
236 
237 static int ax88172_bind(struct usbnet *dev, struct usb_interface *intf)
238 {
239 	int ret = 0;
240 	u8 buf[ETH_ALEN];
241 	int i;
242 	unsigned long gpio_bits = dev->driver_info->data;
243 
244 	usbnet_get_endpoints(dev,intf);
245 
246 	/* Toggle the GPIOs in a manufacturer/model specific way */
247 	for (i = 2; i >= 0; i--) {
248 		ret = asix_write_cmd(dev, AX_CMD_WRITE_GPIOS,
249 				(gpio_bits >> (i * 8)) & 0xff, 0, 0, NULL, 0);
250 		if (ret < 0)
251 			goto out;
252 		msleep(5);
253 	}
254 
255 	ret = asix_write_rx_ctl(dev, 0x80, 0);
256 	if (ret < 0)
257 		goto out;
258 
259 	/* Get the MAC address */
260 	ret = asix_read_cmd(dev, AX88172_CMD_READ_NODE_ID,
261 			    0, 0, ETH_ALEN, buf, 0);
262 	if (ret < 0) {
263 		netdev_dbg(dev->net, "read AX_CMD_READ_NODE_ID failed: %d\n",
264 			   ret);
265 		goto out;
266 	}
267 
268 	asix_set_netdev_dev_addr(dev, buf);
269 
270 	/* Initialize MII structure */
271 	dev->mii.dev = dev->net;
272 	dev->mii.mdio_read = asix_mdio_read;
273 	dev->mii.mdio_write = asix_mdio_write;
274 	dev->mii.phy_id_mask = 0x3f;
275 	dev->mii.reg_num_mask = 0x1f;
276 	dev->mii.phy_id = asix_get_phy_addr(dev);
277 
278 	dev->net->netdev_ops = &ax88172_netdev_ops;
279 	dev->net->ethtool_ops = &ax88172_ethtool_ops;
280 	dev->net->needed_headroom = 4; /* cf asix_tx_fixup() */
281 	dev->net->needed_tailroom = 4; /* cf asix_tx_fixup() */
282 
283 	asix_phy_reset(dev, BMCR_RESET);
284 	asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
285 		ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
286 	mii_nway_restart(&dev->mii);
287 
288 	return 0;
289 
290 out:
291 	return ret;
292 }
293 
294 static const struct ethtool_ops ax88772_ethtool_ops = {
295 	.get_drvinfo		= asix_get_drvinfo,
296 	.get_link		= asix_get_link,
297 	.get_msglevel		= usbnet_get_msglevel,
298 	.set_msglevel		= usbnet_set_msglevel,
299 	.get_wol		= asix_get_wol,
300 	.set_wol		= asix_set_wol,
301 	.get_eeprom_len		= asix_get_eeprom_len,
302 	.get_eeprom		= asix_get_eeprom,
303 	.set_eeprom		= asix_set_eeprom,
304 	.get_settings		= usbnet_get_settings,
305 	.set_settings		= usbnet_set_settings,
306 	.nway_reset		= usbnet_nway_reset,
307 };
308 
309 static int ax88772_link_reset(struct usbnet *dev)
310 {
311 	u16 mode;
312 	struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
313 
314 	mii_check_media(&dev->mii, 1, 1);
315 	mii_ethtool_gset(&dev->mii, &ecmd);
316 	mode = AX88772_MEDIUM_DEFAULT;
317 
318 	if (ethtool_cmd_speed(&ecmd) != SPEED_100)
319 		mode &= ~AX_MEDIUM_PS;
320 
321 	if (ecmd.duplex != DUPLEX_FULL)
322 		mode &= ~AX_MEDIUM_FD;
323 
324 	netdev_dbg(dev->net, "ax88772_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
325 		   ethtool_cmd_speed(&ecmd), ecmd.duplex, mode);
326 
327 	asix_write_medium_mode(dev, mode, 0);
328 
329 	return 0;
330 }
331 
332 static int ax88772_reset(struct usbnet *dev)
333 {
334 	struct asix_data *data = (struct asix_data *)&dev->data;
335 	int ret;
336 
337 	/* Rewrite MAC address */
338 	ether_addr_copy(data->mac_addr, dev->net->dev_addr);
339 	ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0,
340 			     ETH_ALEN, data->mac_addr, 0);
341 	if (ret < 0)
342 		goto out;
343 
344 	/* Set RX_CTL to default values with 2k buffer, and enable cactus */
345 	ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, 0);
346 	if (ret < 0)
347 		goto out;
348 
349 	asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT, 0);
350 	if (ret < 0)
351 		goto out;
352 
353 	return 0;
354 
355 out:
356 	return ret;
357 }
358 
359 static int ax88772_hw_reset(struct usbnet *dev, int in_pm)
360 {
361 	struct asix_data *data = (struct asix_data *)&dev->data;
362 	int ret, embd_phy;
363 	u16 rx_ctl;
364 
365 	ret = asix_write_gpio(dev, AX_GPIO_RSE | AX_GPIO_GPO_2 |
366 			      AX_GPIO_GPO2EN, 5, in_pm);
367 	if (ret < 0)
368 		goto out;
369 
370 	embd_phy = ((dev->mii.phy_id & 0x1f) == 0x10 ? 1 : 0);
371 
372 	ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, embd_phy,
373 			     0, 0, NULL, in_pm);
374 	if (ret < 0) {
375 		netdev_dbg(dev->net, "Select PHY #1 failed: %d\n", ret);
376 		goto out;
377 	}
378 
379 	if (embd_phy) {
380 		ret = asix_sw_reset(dev, AX_SWRESET_IPPD, in_pm);
381 		if (ret < 0)
382 			goto out;
383 
384 		usleep_range(10000, 11000);
385 
386 		ret = asix_sw_reset(dev, AX_SWRESET_CLEAR, in_pm);
387 		if (ret < 0)
388 			goto out;
389 
390 		msleep(60);
391 
392 		ret = asix_sw_reset(dev, AX_SWRESET_IPRL | AX_SWRESET_PRL,
393 				    in_pm);
394 		if (ret < 0)
395 			goto out;
396 	} else {
397 		ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_PRL,
398 				    in_pm);
399 		if (ret < 0)
400 			goto out;
401 	}
402 
403 	msleep(150);
404 
405 	if (in_pm && (!asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
406 					   MII_PHYSID1))){
407 		ret = -EIO;
408 		goto out;
409 	}
410 
411 	ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm);
412 	if (ret < 0)
413 		goto out;
414 
415 	ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT, in_pm);
416 	if (ret < 0)
417 		goto out;
418 
419 	ret = asix_write_cmd(dev, AX_CMD_WRITE_IPG0,
420 			     AX88772_IPG0_DEFAULT | AX88772_IPG1_DEFAULT,
421 			     AX88772_IPG2_DEFAULT, 0, NULL, in_pm);
422 	if (ret < 0) {
423 		netdev_dbg(dev->net, "Write IPG,IPG1,IPG2 failed: %d\n", ret);
424 		goto out;
425 	}
426 
427 	/* Rewrite MAC address */
428 	ether_addr_copy(data->mac_addr, dev->net->dev_addr);
429 	ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0,
430 			     ETH_ALEN, data->mac_addr, in_pm);
431 	if (ret < 0)
432 		goto out;
433 
434 	/* Set RX_CTL to default values with 2k buffer, and enable cactus */
435 	ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm);
436 	if (ret < 0)
437 		goto out;
438 
439 	rx_ctl = asix_read_rx_ctl(dev, in_pm);
440 	netdev_dbg(dev->net, "RX_CTL is 0x%04x after all initializations\n",
441 		   rx_ctl);
442 
443 	rx_ctl = asix_read_medium_status(dev, in_pm);
444 	netdev_dbg(dev->net,
445 		   "Medium Status is 0x%04x after all initializations\n",
446 		   rx_ctl);
447 
448 	return 0;
449 
450 out:
451 	return ret;
452 }
453 
454 static int ax88772a_hw_reset(struct usbnet *dev, int in_pm)
455 {
456 	struct asix_data *data = (struct asix_data *)&dev->data;
457 	int ret, embd_phy;
458 	u16 rx_ctl, phy14h, phy15h, phy16h;
459 	u8 chipcode = 0;
460 
461 	ret = asix_write_gpio(dev, AX_GPIO_RSE, 5, in_pm);
462 	if (ret < 0)
463 		goto out;
464 
465 	embd_phy = ((dev->mii.phy_id & 0x1f) == 0x10 ? 1 : 0);
466 
467 	ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, embd_phy |
468 			     AX_PHYSEL_SSEN, 0, 0, NULL, in_pm);
469 	if (ret < 0) {
470 		netdev_dbg(dev->net, "Select PHY #1 failed: %d\n", ret);
471 		goto out;
472 	}
473 	usleep_range(10000, 11000);
474 
475 	ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_IPRL, in_pm);
476 	if (ret < 0)
477 		goto out;
478 
479 	usleep_range(10000, 11000);
480 
481 	ret = asix_sw_reset(dev, AX_SWRESET_IPRL, in_pm);
482 	if (ret < 0)
483 		goto out;
484 
485 	msleep(160);
486 
487 	ret = asix_sw_reset(dev, AX_SWRESET_CLEAR, in_pm);
488 	if (ret < 0)
489 		goto out;
490 
491 	ret = asix_sw_reset(dev, AX_SWRESET_IPRL, in_pm);
492 	if (ret < 0)
493 		goto out;
494 
495 	msleep(200);
496 
497 	if (in_pm && (!asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
498 					   MII_PHYSID1))) {
499 		ret = -1;
500 		goto out;
501 	}
502 
503 	ret = asix_read_cmd(dev, AX_CMD_STATMNGSTS_REG, 0,
504 			    0, 1, &chipcode, in_pm);
505 	if (ret < 0)
506 		goto out;
507 
508 	if ((chipcode & AX_CHIPCODE_MASK) == AX_AX88772B_CHIPCODE) {
509 		ret = asix_write_cmd(dev, AX_QCTCTRL, 0x8000, 0x8001,
510 				     0, NULL, in_pm);
511 		if (ret < 0) {
512 			netdev_dbg(dev->net, "Write BQ setting failed: %d\n",
513 				   ret);
514 			goto out;
515 		}
516 	} else if ((chipcode & AX_CHIPCODE_MASK) == AX_AX88772A_CHIPCODE) {
517 		/* Check if the PHY registers have default settings */
518 		phy14h = asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
519 					     AX88772A_PHY14H);
520 		phy15h = asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
521 					     AX88772A_PHY15H);
522 		phy16h = asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
523 					     AX88772A_PHY16H);
524 
525 		netdev_dbg(dev->net,
526 			   "772a_hw_reset: MR20=0x%x MR21=0x%x MR22=0x%x\n",
527 			   phy14h, phy15h, phy16h);
528 
529 		/* Restore PHY registers default setting if not */
530 		if (phy14h != AX88772A_PHY14H_DEFAULT)
531 			asix_mdio_write_nopm(dev->net, dev->mii.phy_id,
532 					     AX88772A_PHY14H,
533 					     AX88772A_PHY14H_DEFAULT);
534 		if (phy15h != AX88772A_PHY15H_DEFAULT)
535 			asix_mdio_write_nopm(dev->net, dev->mii.phy_id,
536 					     AX88772A_PHY15H,
537 					     AX88772A_PHY15H_DEFAULT);
538 		if (phy16h != AX88772A_PHY16H_DEFAULT)
539 			asix_mdio_write_nopm(dev->net, dev->mii.phy_id,
540 					     AX88772A_PHY16H,
541 					     AX88772A_PHY16H_DEFAULT);
542 	}
543 
544 	ret = asix_write_cmd(dev, AX_CMD_WRITE_IPG0,
545 				AX88772_IPG0_DEFAULT | AX88772_IPG1_DEFAULT,
546 				AX88772_IPG2_DEFAULT, 0, NULL, in_pm);
547 	if (ret < 0) {
548 		netdev_dbg(dev->net, "Write IPG,IPG1,IPG2 failed: %d\n", ret);
549 		goto out;
550 	}
551 
552 	/* Rewrite MAC address */
553 	memcpy(data->mac_addr, dev->net->dev_addr, ETH_ALEN);
554 	ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN,
555 							data->mac_addr, in_pm);
556 	if (ret < 0)
557 		goto out;
558 
559 	/* Set RX_CTL to default values with 2k buffer, and enable cactus */
560 	ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm);
561 	if (ret < 0)
562 		goto out;
563 
564 	ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT, in_pm);
565 	if (ret < 0)
566 		return ret;
567 
568 	/* Set RX_CTL to default values with 2k buffer, and enable cactus */
569 	ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm);
570 	if (ret < 0)
571 		goto out;
572 
573 	rx_ctl = asix_read_rx_ctl(dev, in_pm);
574 	netdev_dbg(dev->net, "RX_CTL is 0x%04x after all initializations\n",
575 		   rx_ctl);
576 
577 	rx_ctl = asix_read_medium_status(dev, in_pm);
578 	netdev_dbg(dev->net,
579 		   "Medium Status is 0x%04x after all initializations\n",
580 		   rx_ctl);
581 
582 	return 0;
583 
584 out:
585 	return ret;
586 }
587 
588 static const struct net_device_ops ax88772_netdev_ops = {
589 	.ndo_open		= usbnet_open,
590 	.ndo_stop		= usbnet_stop,
591 	.ndo_start_xmit		= usbnet_start_xmit,
592 	.ndo_tx_timeout		= usbnet_tx_timeout,
593 	.ndo_change_mtu		= usbnet_change_mtu,
594 	.ndo_set_mac_address 	= asix_set_mac_address,
595 	.ndo_validate_addr	= eth_validate_addr,
596 	.ndo_do_ioctl		= asix_ioctl,
597 	.ndo_set_rx_mode        = asix_set_multicast,
598 };
599 
600 static void ax88772_suspend(struct usbnet *dev)
601 {
602 	struct asix_common_private *priv = dev->driver_priv;
603 	u16 medium;
604 
605 	/* Stop MAC operation */
606 	medium = asix_read_medium_status(dev, 1);
607 	medium &= ~AX_MEDIUM_RE;
608 	asix_write_medium_mode(dev, medium, 1);
609 
610 	netdev_dbg(dev->net, "ax88772_suspend: medium=0x%04x\n",
611 		   asix_read_medium_status(dev, 1));
612 
613 	/* Preserve BMCR for restoring */
614 	priv->presvd_phy_bmcr =
615 		asix_mdio_read_nopm(dev->net, dev->mii.phy_id, MII_BMCR);
616 
617 	/* Preserve ANAR for restoring */
618 	priv->presvd_phy_advertise =
619 		asix_mdio_read_nopm(dev->net, dev->mii.phy_id, MII_ADVERTISE);
620 }
621 
622 static int asix_suspend(struct usb_interface *intf, pm_message_t message)
623 {
624 	struct usbnet *dev = usb_get_intfdata(intf);
625 	struct asix_common_private *priv = dev->driver_priv;
626 
627 	if (priv->suspend)
628 		priv->suspend(dev);
629 
630 	return usbnet_suspend(intf, message);
631 }
632 
633 static void ax88772_restore_phy(struct usbnet *dev)
634 {
635 	struct asix_common_private *priv = dev->driver_priv;
636 
637 	if (priv->presvd_phy_advertise) {
638 		/* Restore Advertisement control reg */
639 		asix_mdio_write_nopm(dev->net, dev->mii.phy_id, MII_ADVERTISE,
640 				     priv->presvd_phy_advertise);
641 
642 		/* Restore BMCR */
643 		asix_mdio_write_nopm(dev->net, dev->mii.phy_id, MII_BMCR,
644 				     priv->presvd_phy_bmcr);
645 
646 		mii_nway_restart(&dev->mii);
647 		priv->presvd_phy_advertise = 0;
648 		priv->presvd_phy_bmcr = 0;
649 	}
650 }
651 
652 static void ax88772_resume(struct usbnet *dev)
653 {
654 	int i;
655 
656 	for (i = 0; i < 3; i++)
657 		if (!ax88772_hw_reset(dev, 1))
658 			break;
659 	ax88772_restore_phy(dev);
660 }
661 
662 static void ax88772a_resume(struct usbnet *dev)
663 {
664 	int i;
665 
666 	for (i = 0; i < 3; i++) {
667 		if (!ax88772a_hw_reset(dev, 1))
668 			break;
669 	}
670 
671 	ax88772_restore_phy(dev);
672 }
673 
674 static int asix_resume(struct usb_interface *intf)
675 {
676 	struct usbnet *dev = usb_get_intfdata(intf);
677 	struct asix_common_private *priv = dev->driver_priv;
678 
679 	if (priv->resume)
680 		priv->resume(dev);
681 
682 	return usbnet_resume(intf);
683 }
684 
685 static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf)
686 {
687 	int ret, i;
688 	u8 buf[ETH_ALEN], chipcode = 0;
689 	u32 phyid;
690 	struct asix_common_private *priv;
691 
692 	usbnet_get_endpoints(dev,intf);
693 
694 	/* Get the MAC address */
695 	if (dev->driver_info->data & FLAG_EEPROM_MAC) {
696 		for (i = 0; i < (ETH_ALEN >> 1); i++) {
697 			ret = asix_read_cmd(dev, AX_CMD_READ_EEPROM, 0x04 + i,
698 					    0, 2, buf + i * 2, 0);
699 			if (ret < 0)
700 				break;
701 		}
702 	} else {
703 		ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID,
704 				0, 0, ETH_ALEN, buf, 0);
705 	}
706 
707 	if (ret < 0) {
708 		netdev_dbg(dev->net, "Failed to read MAC address: %d\n", ret);
709 		return ret;
710 	}
711 
712 	asix_set_netdev_dev_addr(dev, buf);
713 
714 	/* Initialize MII structure */
715 	dev->mii.dev = dev->net;
716 	dev->mii.mdio_read = asix_mdio_read;
717 	dev->mii.mdio_write = asix_mdio_write;
718 	dev->mii.phy_id_mask = 0x1f;
719 	dev->mii.reg_num_mask = 0x1f;
720 	dev->mii.phy_id = asix_get_phy_addr(dev);
721 
722 	dev->net->netdev_ops = &ax88772_netdev_ops;
723 	dev->net->ethtool_ops = &ax88772_ethtool_ops;
724 	dev->net->needed_headroom = 4; /* cf asix_tx_fixup() */
725 	dev->net->needed_tailroom = 4; /* cf asix_tx_fixup() */
726 
727 	asix_read_cmd(dev, AX_CMD_STATMNGSTS_REG, 0, 0, 1, &chipcode, 0);
728 	chipcode &= AX_CHIPCODE_MASK;
729 
730 	(chipcode == AX_AX88772_CHIPCODE) ? ax88772_hw_reset(dev, 0) :
731 					    ax88772a_hw_reset(dev, 0);
732 
733 	/* Read PHYID register *AFTER* the PHY was reset properly */
734 	phyid = asix_get_phyid(dev);
735 	netdev_dbg(dev->net, "PHYID=0x%08x\n", phyid);
736 
737 	/* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
738 	if (dev->driver_info->flags & FLAG_FRAMING_AX) {
739 		/* hard_mtu  is still the default - the device does not support
740 		   jumbo eth frames */
741 		dev->rx_urb_size = 2048;
742 	}
743 
744 	dev->driver_priv = kzalloc(sizeof(struct asix_common_private), GFP_KERNEL);
745 	if (!dev->driver_priv)
746 		return -ENOMEM;
747 
748 	priv = dev->driver_priv;
749 
750 	priv->presvd_phy_bmcr = 0;
751 	priv->presvd_phy_advertise = 0;
752 	if (chipcode == AX_AX88772_CHIPCODE) {
753 		priv->resume = ax88772_resume;
754 		priv->suspend = ax88772_suspend;
755 	} else {
756 		priv->resume = ax88772a_resume;
757 		priv->suspend = ax88772_suspend;
758 	}
759 
760 	return 0;
761 }
762 
763 static void ax88772_unbind(struct usbnet *dev, struct usb_interface *intf)
764 {
765 	kfree(dev->driver_priv);
766 }
767 
768 static const struct ethtool_ops ax88178_ethtool_ops = {
769 	.get_drvinfo		= asix_get_drvinfo,
770 	.get_link		= asix_get_link,
771 	.get_msglevel		= usbnet_get_msglevel,
772 	.set_msglevel		= usbnet_set_msglevel,
773 	.get_wol		= asix_get_wol,
774 	.set_wol		= asix_set_wol,
775 	.get_eeprom_len		= asix_get_eeprom_len,
776 	.get_eeprom		= asix_get_eeprom,
777 	.set_eeprom		= asix_set_eeprom,
778 	.get_settings		= usbnet_get_settings,
779 	.set_settings		= usbnet_set_settings,
780 	.nway_reset		= usbnet_nway_reset,
781 };
782 
783 static int marvell_phy_init(struct usbnet *dev)
784 {
785 	struct asix_data *data = (struct asix_data *)&dev->data;
786 	u16 reg;
787 
788 	netdev_dbg(dev->net, "marvell_phy_init()\n");
789 
790 	reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_MARVELL_STATUS);
791 	netdev_dbg(dev->net, "MII_MARVELL_STATUS = 0x%04x\n", reg);
792 
793 	asix_mdio_write(dev->net, dev->mii.phy_id, MII_MARVELL_CTRL,
794 			MARVELL_CTRL_RXDELAY | MARVELL_CTRL_TXDELAY);
795 
796 	if (data->ledmode) {
797 		reg = asix_mdio_read(dev->net, dev->mii.phy_id,
798 			MII_MARVELL_LED_CTRL);
799 		netdev_dbg(dev->net, "MII_MARVELL_LED_CTRL (1) = 0x%04x\n", reg);
800 
801 		reg &= 0xf8ff;
802 		reg |= (1 + 0x0100);
803 		asix_mdio_write(dev->net, dev->mii.phy_id,
804 			MII_MARVELL_LED_CTRL, reg);
805 
806 		reg = asix_mdio_read(dev->net, dev->mii.phy_id,
807 			MII_MARVELL_LED_CTRL);
808 		netdev_dbg(dev->net, "MII_MARVELL_LED_CTRL (2) = 0x%04x\n", reg);
809 		reg &= 0xfc0f;
810 	}
811 
812 	return 0;
813 }
814 
815 static int rtl8211cl_phy_init(struct usbnet *dev)
816 {
817 	struct asix_data *data = (struct asix_data *)&dev->data;
818 
819 	netdev_dbg(dev->net, "rtl8211cl_phy_init()\n");
820 
821 	asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0x0005);
822 	asix_mdio_write (dev->net, dev->mii.phy_id, 0x0c, 0);
823 	asix_mdio_write (dev->net, dev->mii.phy_id, 0x01,
824 		asix_mdio_read (dev->net, dev->mii.phy_id, 0x01) | 0x0080);
825 	asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0);
826 
827 	if (data->ledmode == 12) {
828 		asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0x0002);
829 		asix_mdio_write (dev->net, dev->mii.phy_id, 0x1a, 0x00cb);
830 		asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0);
831 	}
832 
833 	return 0;
834 }
835 
836 static int marvell_led_status(struct usbnet *dev, u16 speed)
837 {
838 	u16 reg = asix_mdio_read(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL);
839 
840 	netdev_dbg(dev->net, "marvell_led_status() read 0x%04x\n", reg);
841 
842 	/* Clear out the center LED bits - 0x03F0 */
843 	reg &= 0xfc0f;
844 
845 	switch (speed) {
846 		case SPEED_1000:
847 			reg |= 0x03e0;
848 			break;
849 		case SPEED_100:
850 			reg |= 0x03b0;
851 			break;
852 		default:
853 			reg |= 0x02f0;
854 	}
855 
856 	netdev_dbg(dev->net, "marvell_led_status() writing 0x%04x\n", reg);
857 	asix_mdio_write(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL, reg);
858 
859 	return 0;
860 }
861 
862 static int ax88178_reset(struct usbnet *dev)
863 {
864 	struct asix_data *data = (struct asix_data *)&dev->data;
865 	int ret;
866 	__le16 eeprom;
867 	u8 status;
868 	int gpio0 = 0;
869 	u32 phyid;
870 
871 	asix_read_cmd(dev, AX_CMD_READ_GPIOS, 0, 0, 1, &status, 0);
872 	netdev_dbg(dev->net, "GPIO Status: 0x%04x\n", status);
873 
874 	asix_write_cmd(dev, AX_CMD_WRITE_ENABLE, 0, 0, 0, NULL, 0);
875 	asix_read_cmd(dev, AX_CMD_READ_EEPROM, 0x0017, 0, 2, &eeprom, 0);
876 	asix_write_cmd(dev, AX_CMD_WRITE_DISABLE, 0, 0, 0, NULL, 0);
877 
878 	netdev_dbg(dev->net, "EEPROM index 0x17 is 0x%04x\n", eeprom);
879 
880 	if (eeprom == cpu_to_le16(0xffff)) {
881 		data->phymode = PHY_MODE_MARVELL;
882 		data->ledmode = 0;
883 		gpio0 = 1;
884 	} else {
885 		data->phymode = le16_to_cpu(eeprom) & 0x7F;
886 		data->ledmode = le16_to_cpu(eeprom) >> 8;
887 		gpio0 = (le16_to_cpu(eeprom) & 0x80) ? 0 : 1;
888 	}
889 	netdev_dbg(dev->net, "GPIO0: %d, PhyMode: %d\n", gpio0, data->phymode);
890 
891 	/* Power up external GigaPHY through AX88178 GPIO pin */
892 	asix_write_gpio(dev, AX_GPIO_RSE | AX_GPIO_GPO_1 |
893 			AX_GPIO_GPO1EN, 40, 0);
894 	if ((le16_to_cpu(eeprom) >> 8) != 1) {
895 		asix_write_gpio(dev, 0x003c, 30, 0);
896 		asix_write_gpio(dev, 0x001c, 300, 0);
897 		asix_write_gpio(dev, 0x003c, 30, 0);
898 	} else {
899 		netdev_dbg(dev->net, "gpio phymode == 1 path\n");
900 		asix_write_gpio(dev, AX_GPIO_GPO1EN, 30, 0);
901 		asix_write_gpio(dev, AX_GPIO_GPO1EN | AX_GPIO_GPO_1, 30, 0);
902 	}
903 
904 	/* Read PHYID register *AFTER* powering up PHY */
905 	phyid = asix_get_phyid(dev);
906 	netdev_dbg(dev->net, "PHYID=0x%08x\n", phyid);
907 
908 	/* Set AX88178 to enable MII/GMII/RGMII interface for external PHY */
909 	asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, 0, 0, 0, NULL, 0);
910 
911 	asix_sw_reset(dev, 0, 0);
912 	msleep(150);
913 
914 	asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD, 0);
915 	msleep(150);
916 
917 	asix_write_rx_ctl(dev, 0, 0);
918 
919 	if (data->phymode == PHY_MODE_MARVELL) {
920 		marvell_phy_init(dev);
921 		msleep(60);
922 	} else if (data->phymode == PHY_MODE_RTL8211CL)
923 		rtl8211cl_phy_init(dev);
924 
925 	asix_phy_reset(dev, BMCR_RESET | BMCR_ANENABLE);
926 	asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
927 			ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
928 	asix_mdio_write(dev->net, dev->mii.phy_id, MII_CTRL1000,
929 			ADVERTISE_1000FULL);
930 
931 	asix_write_medium_mode(dev, AX88178_MEDIUM_DEFAULT, 0);
932 	mii_nway_restart(&dev->mii);
933 
934 	/* Rewrite MAC address */
935 	memcpy(data->mac_addr, dev->net->dev_addr, ETH_ALEN);
936 	ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN,
937 							data->mac_addr, 0);
938 	if (ret < 0)
939 		return ret;
940 
941 	ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, 0);
942 	if (ret < 0)
943 		return ret;
944 
945 	return 0;
946 }
947 
948 static int ax88178_link_reset(struct usbnet *dev)
949 {
950 	u16 mode;
951 	struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
952 	struct asix_data *data = (struct asix_data *)&dev->data;
953 	u32 speed;
954 
955 	netdev_dbg(dev->net, "ax88178_link_reset()\n");
956 
957 	mii_check_media(&dev->mii, 1, 1);
958 	mii_ethtool_gset(&dev->mii, &ecmd);
959 	mode = AX88178_MEDIUM_DEFAULT;
960 	speed = ethtool_cmd_speed(&ecmd);
961 
962 	if (speed == SPEED_1000)
963 		mode |= AX_MEDIUM_GM;
964 	else if (speed == SPEED_100)
965 		mode |= AX_MEDIUM_PS;
966 	else
967 		mode &= ~(AX_MEDIUM_PS | AX_MEDIUM_GM);
968 
969 	mode |= AX_MEDIUM_ENCK;
970 
971 	if (ecmd.duplex == DUPLEX_FULL)
972 		mode |= AX_MEDIUM_FD;
973 	else
974 		mode &= ~AX_MEDIUM_FD;
975 
976 	netdev_dbg(dev->net, "ax88178_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
977 		   speed, ecmd.duplex, mode);
978 
979 	asix_write_medium_mode(dev, mode, 0);
980 
981 	if (data->phymode == PHY_MODE_MARVELL && data->ledmode)
982 		marvell_led_status(dev, speed);
983 
984 	return 0;
985 }
986 
987 static void ax88178_set_mfb(struct usbnet *dev)
988 {
989 	u16 mfb = AX_RX_CTL_MFB_16384;
990 	u16 rxctl;
991 	u16 medium;
992 	int old_rx_urb_size = dev->rx_urb_size;
993 
994 	if (dev->hard_mtu < 2048) {
995 		dev->rx_urb_size = 2048;
996 		mfb = AX_RX_CTL_MFB_2048;
997 	} else if (dev->hard_mtu < 4096) {
998 		dev->rx_urb_size = 4096;
999 		mfb = AX_RX_CTL_MFB_4096;
1000 	} else if (dev->hard_mtu < 8192) {
1001 		dev->rx_urb_size = 8192;
1002 		mfb = AX_RX_CTL_MFB_8192;
1003 	} else if (dev->hard_mtu < 16384) {
1004 		dev->rx_urb_size = 16384;
1005 		mfb = AX_RX_CTL_MFB_16384;
1006 	}
1007 
1008 	rxctl = asix_read_rx_ctl(dev, 0);
1009 	asix_write_rx_ctl(dev, (rxctl & ~AX_RX_CTL_MFB_16384) | mfb, 0);
1010 
1011 	medium = asix_read_medium_status(dev, 0);
1012 	if (dev->net->mtu > 1500)
1013 		medium |= AX_MEDIUM_JFE;
1014 	else
1015 		medium &= ~AX_MEDIUM_JFE;
1016 	asix_write_medium_mode(dev, medium, 0);
1017 
1018 	if (dev->rx_urb_size > old_rx_urb_size)
1019 		usbnet_unlink_rx_urbs(dev);
1020 }
1021 
1022 static int ax88178_change_mtu(struct net_device *net, int new_mtu)
1023 {
1024 	struct usbnet *dev = netdev_priv(net);
1025 	int ll_mtu = new_mtu + net->hard_header_len + 4;
1026 
1027 	netdev_dbg(dev->net, "ax88178_change_mtu() new_mtu=%d\n", new_mtu);
1028 
1029 	if ((ll_mtu % dev->maxpacket) == 0)
1030 		return -EDOM;
1031 
1032 	net->mtu = new_mtu;
1033 	dev->hard_mtu = net->mtu + net->hard_header_len;
1034 	ax88178_set_mfb(dev);
1035 
1036 	/* max qlen depend on hard_mtu and rx_urb_size */
1037 	usbnet_update_max_qlen(dev);
1038 
1039 	return 0;
1040 }
1041 
1042 static const struct net_device_ops ax88178_netdev_ops = {
1043 	.ndo_open		= usbnet_open,
1044 	.ndo_stop		= usbnet_stop,
1045 	.ndo_start_xmit		= usbnet_start_xmit,
1046 	.ndo_tx_timeout		= usbnet_tx_timeout,
1047 	.ndo_set_mac_address 	= asix_set_mac_address,
1048 	.ndo_validate_addr	= eth_validate_addr,
1049 	.ndo_set_rx_mode	= asix_set_multicast,
1050 	.ndo_do_ioctl 		= asix_ioctl,
1051 	.ndo_change_mtu 	= ax88178_change_mtu,
1052 };
1053 
1054 static int ax88178_bind(struct usbnet *dev, struct usb_interface *intf)
1055 {
1056 	int ret;
1057 	u8 buf[ETH_ALEN];
1058 
1059 	usbnet_get_endpoints(dev,intf);
1060 
1061 	/* Get the MAC address */
1062 	ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf, 0);
1063 	if (ret < 0) {
1064 		netdev_dbg(dev->net, "Failed to read MAC address: %d\n", ret);
1065 		return ret;
1066 	}
1067 
1068 	asix_set_netdev_dev_addr(dev, buf);
1069 
1070 	/* Initialize MII structure */
1071 	dev->mii.dev = dev->net;
1072 	dev->mii.mdio_read = asix_mdio_read;
1073 	dev->mii.mdio_write = asix_mdio_write;
1074 	dev->mii.phy_id_mask = 0x1f;
1075 	dev->mii.reg_num_mask = 0xff;
1076 	dev->mii.supports_gmii = 1;
1077 	dev->mii.phy_id = asix_get_phy_addr(dev);
1078 
1079 	dev->net->netdev_ops = &ax88178_netdev_ops;
1080 	dev->net->ethtool_ops = &ax88178_ethtool_ops;
1081 	dev->net->max_mtu = 16384 - (dev->net->hard_header_len + 4);
1082 
1083 	/* Blink LEDS so users know driver saw dongle */
1084 	asix_sw_reset(dev, 0, 0);
1085 	msleep(150);
1086 
1087 	asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD, 0);
1088 	msleep(150);
1089 
1090 	/* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
1091 	if (dev->driver_info->flags & FLAG_FRAMING_AX) {
1092 		/* hard_mtu  is still the default - the device does not support
1093 		   jumbo eth frames */
1094 		dev->rx_urb_size = 2048;
1095 	}
1096 
1097 	dev->driver_priv = kzalloc(sizeof(struct asix_common_private), GFP_KERNEL);
1098 	if (!dev->driver_priv)
1099 			return -ENOMEM;
1100 
1101 	return 0;
1102 }
1103 
1104 static const struct driver_info ax8817x_info = {
1105 	.description = "ASIX AX8817x USB 2.0 Ethernet",
1106 	.bind = ax88172_bind,
1107 	.status = asix_status,
1108 	.link_reset = ax88172_link_reset,
1109 	.reset = ax88172_link_reset,
1110 	.flags =  FLAG_ETHER | FLAG_LINK_INTR,
1111 	.data = 0x00130103,
1112 };
1113 
1114 static const struct driver_info dlink_dub_e100_info = {
1115 	.description = "DLink DUB-E100 USB Ethernet",
1116 	.bind = ax88172_bind,
1117 	.status = asix_status,
1118 	.link_reset = ax88172_link_reset,
1119 	.reset = ax88172_link_reset,
1120 	.flags =  FLAG_ETHER | FLAG_LINK_INTR,
1121 	.data = 0x009f9d9f,
1122 };
1123 
1124 static const struct driver_info netgear_fa120_info = {
1125 	.description = "Netgear FA-120 USB Ethernet",
1126 	.bind = ax88172_bind,
1127 	.status = asix_status,
1128 	.link_reset = ax88172_link_reset,
1129 	.reset = ax88172_link_reset,
1130 	.flags =  FLAG_ETHER | FLAG_LINK_INTR,
1131 	.data = 0x00130103,
1132 };
1133 
1134 static const struct driver_info hawking_uf200_info = {
1135 	.description = "Hawking UF200 USB Ethernet",
1136 	.bind = ax88172_bind,
1137 	.status = asix_status,
1138 	.link_reset = ax88172_link_reset,
1139 	.reset = ax88172_link_reset,
1140 	.flags =  FLAG_ETHER | FLAG_LINK_INTR,
1141 	.data = 0x001f1d1f,
1142 };
1143 
1144 static const struct driver_info ax88772_info = {
1145 	.description = "ASIX AX88772 USB 2.0 Ethernet",
1146 	.bind = ax88772_bind,
1147 	.unbind = ax88772_unbind,
1148 	.status = asix_status,
1149 	.link_reset = ax88772_link_reset,
1150 	.reset = ax88772_reset,
1151 	.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR | FLAG_MULTI_PACKET,
1152 	.rx_fixup = asix_rx_fixup_common,
1153 	.tx_fixup = asix_tx_fixup,
1154 };
1155 
1156 static const struct driver_info ax88772b_info = {
1157 	.description = "ASIX AX88772B 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 |
1164 	         FLAG_MULTI_PACKET,
1165 	.rx_fixup = asix_rx_fixup_common,
1166 	.tx_fixup = asix_tx_fixup,
1167 	.data = FLAG_EEPROM_MAC,
1168 };
1169 
1170 static const struct driver_info ax88178_info = {
1171 	.description = "ASIX AX88178 USB 2.0 Ethernet",
1172 	.bind = ax88178_bind,
1173 	.unbind = ax88772_unbind,
1174 	.status = asix_status,
1175 	.link_reset = ax88178_link_reset,
1176 	.reset = ax88178_reset,
1177 	.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR |
1178 		 FLAG_MULTI_PACKET,
1179 	.rx_fixup = asix_rx_fixup_common,
1180 	.tx_fixup = asix_tx_fixup,
1181 };
1182 
1183 /*
1184  * USBLINK 20F9 "USB 2.0 LAN" USB ethernet adapter, typically found in
1185  * no-name packaging.
1186  * USB device strings are:
1187  *   1: Manufacturer: USBLINK
1188  *   2: Product: HG20F9 USB2.0
1189  *   3: Serial: 000003
1190  * Appears to be compatible with Asix 88772B.
1191  */
1192 static const struct driver_info hg20f9_info = {
1193 	.description = "HG20F9 USB 2.0 Ethernet",
1194 	.bind = ax88772_bind,
1195 	.unbind = ax88772_unbind,
1196 	.status = asix_status,
1197 	.link_reset = ax88772_link_reset,
1198 	.reset = ax88772_reset,
1199 	.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR |
1200 	         FLAG_MULTI_PACKET,
1201 	.rx_fixup = asix_rx_fixup_common,
1202 	.tx_fixup = asix_tx_fixup,
1203 	.data = FLAG_EEPROM_MAC,
1204 };
1205 
1206 static const struct usb_device_id	products [] = {
1207 {
1208 	// Linksys USB200M
1209 	USB_DEVICE (0x077b, 0x2226),
1210 	.driver_info =	(unsigned long) &ax8817x_info,
1211 }, {
1212 	// Netgear FA120
1213 	USB_DEVICE (0x0846, 0x1040),
1214 	.driver_info =  (unsigned long) &netgear_fa120_info,
1215 }, {
1216 	// DLink DUB-E100
1217 	USB_DEVICE (0x2001, 0x1a00),
1218 	.driver_info =  (unsigned long) &dlink_dub_e100_info,
1219 }, {
1220 	// Intellinet, ST Lab USB Ethernet
1221 	USB_DEVICE (0x0b95, 0x1720),
1222 	.driver_info =  (unsigned long) &ax8817x_info,
1223 }, {
1224 	// Hawking UF200, TrendNet TU2-ET100
1225 	USB_DEVICE (0x07b8, 0x420a),
1226 	.driver_info =  (unsigned long) &hawking_uf200_info,
1227 }, {
1228 	// Billionton Systems, USB2AR
1229 	USB_DEVICE (0x08dd, 0x90ff),
1230 	.driver_info =  (unsigned long) &ax8817x_info,
1231 }, {
1232 	// Billionton Systems, GUSB2AM-1G-B
1233 	USB_DEVICE(0x08dd, 0x0114),
1234 	.driver_info =  (unsigned long) &ax88178_info,
1235 }, {
1236 	// ATEN UC210T
1237 	USB_DEVICE (0x0557, 0x2009),
1238 	.driver_info =  (unsigned long) &ax8817x_info,
1239 }, {
1240 	// Buffalo LUA-U2-KTX
1241 	USB_DEVICE (0x0411, 0x003d),
1242 	.driver_info =  (unsigned long) &ax8817x_info,
1243 }, {
1244 	// Buffalo LUA-U2-GT 10/100/1000
1245 	USB_DEVICE (0x0411, 0x006e),
1246 	.driver_info =  (unsigned long) &ax88178_info,
1247 }, {
1248 	// Sitecom LN-029 "USB 2.0 10/100 Ethernet adapter"
1249 	USB_DEVICE (0x6189, 0x182d),
1250 	.driver_info =  (unsigned long) &ax8817x_info,
1251 }, {
1252 	// Sitecom LN-031 "USB 2.0 10/100/1000 Ethernet adapter"
1253 	USB_DEVICE (0x0df6, 0x0056),
1254 	.driver_info =  (unsigned long) &ax88178_info,
1255 }, {
1256 	// Sitecom LN-028 "USB 2.0 10/100/1000 Ethernet adapter"
1257 	USB_DEVICE (0x0df6, 0x061c),
1258 	.driver_info =  (unsigned long) &ax88178_info,
1259 }, {
1260 	// corega FEther USB2-TX
1261 	USB_DEVICE (0x07aa, 0x0017),
1262 	.driver_info =  (unsigned long) &ax8817x_info,
1263 }, {
1264 	// Surecom EP-1427X-2
1265 	USB_DEVICE (0x1189, 0x0893),
1266 	.driver_info = (unsigned long) &ax8817x_info,
1267 }, {
1268 	// goodway corp usb gwusb2e
1269 	USB_DEVICE (0x1631, 0x6200),
1270 	.driver_info = (unsigned long) &ax8817x_info,
1271 }, {
1272 	// JVC MP-PRX1 Port Replicator
1273 	USB_DEVICE (0x04f1, 0x3008),
1274 	.driver_info = (unsigned long) &ax8817x_info,
1275 }, {
1276 	// Lenovo U2L100P 10/100
1277 	USB_DEVICE (0x17ef, 0x7203),
1278 	.driver_info = (unsigned long)&ax88772b_info,
1279 }, {
1280 	// ASIX AX88772B 10/100
1281 	USB_DEVICE (0x0b95, 0x772b),
1282 	.driver_info = (unsigned long) &ax88772b_info,
1283 }, {
1284 	// ASIX AX88772 10/100
1285 	USB_DEVICE (0x0b95, 0x7720),
1286 	.driver_info = (unsigned long) &ax88772_info,
1287 }, {
1288 	// ASIX AX88178 10/100/1000
1289 	USB_DEVICE (0x0b95, 0x1780),
1290 	.driver_info = (unsigned long) &ax88178_info,
1291 }, {
1292 	// Logitec LAN-GTJ/U2A
1293 	USB_DEVICE (0x0789, 0x0160),
1294 	.driver_info = (unsigned long) &ax88178_info,
1295 }, {
1296 	// Linksys USB200M Rev 2
1297 	USB_DEVICE (0x13b1, 0x0018),
1298 	.driver_info = (unsigned long) &ax88772_info,
1299 }, {
1300 	// 0Q0 cable ethernet
1301 	USB_DEVICE (0x1557, 0x7720),
1302 	.driver_info = (unsigned long) &ax88772_info,
1303 }, {
1304 	// DLink DUB-E100 H/W Ver B1
1305 	USB_DEVICE (0x07d1, 0x3c05),
1306 	.driver_info = (unsigned long) &ax88772_info,
1307 }, {
1308 	// DLink DUB-E100 H/W Ver B1 Alternate
1309 	USB_DEVICE (0x2001, 0x3c05),
1310 	.driver_info = (unsigned long) &ax88772_info,
1311 }, {
1312        // DLink DUB-E100 H/W Ver C1
1313        USB_DEVICE (0x2001, 0x1a02),
1314        .driver_info = (unsigned long) &ax88772_info,
1315 }, {
1316 	// Linksys USB1000
1317 	USB_DEVICE (0x1737, 0x0039),
1318 	.driver_info = (unsigned long) &ax88178_info,
1319 }, {
1320 	// IO-DATA ETG-US2
1321 	USB_DEVICE (0x04bb, 0x0930),
1322 	.driver_info = (unsigned long) &ax88178_info,
1323 }, {
1324 	// Belkin F5D5055
1325 	USB_DEVICE(0x050d, 0x5055),
1326 	.driver_info = (unsigned long) &ax88178_info,
1327 }, {
1328 	// Apple USB Ethernet Adapter
1329 	USB_DEVICE(0x05ac, 0x1402),
1330 	.driver_info = (unsigned long) &ax88772_info,
1331 }, {
1332 	// Cables-to-Go USB Ethernet Adapter
1333 	USB_DEVICE(0x0b95, 0x772a),
1334 	.driver_info = (unsigned long) &ax88772_info,
1335 }, {
1336 	// ABOCOM for pci
1337 	USB_DEVICE(0x14ea, 0xab11),
1338 	.driver_info = (unsigned long) &ax88178_info,
1339 }, {
1340 	// ASIX 88772a
1341 	USB_DEVICE(0x0db0, 0xa877),
1342 	.driver_info = (unsigned long) &ax88772_info,
1343 }, {
1344 	// Asus USB Ethernet Adapter
1345 	USB_DEVICE (0x0b95, 0x7e2b),
1346 	.driver_info = (unsigned long)&ax88772b_info,
1347 }, {
1348 	/* ASIX 88172a demo board */
1349 	USB_DEVICE(0x0b95, 0x172a),
1350 	.driver_info = (unsigned long) &ax88172a_info,
1351 }, {
1352 	/*
1353 	 * USBLINK HG20F9 "USB 2.0 LAN"
1354 	 * Appears to have gazumped Linksys's manufacturer ID but
1355 	 * doesn't (yet) conflict with any known Linksys product.
1356 	 */
1357 	USB_DEVICE(0x066b, 0x20f9),
1358 	.driver_info = (unsigned long) &hg20f9_info,
1359 },
1360 	{ },		// END
1361 };
1362 MODULE_DEVICE_TABLE(usb, products);
1363 
1364 static struct usb_driver asix_driver = {
1365 	.name =		DRIVER_NAME,
1366 	.id_table =	products,
1367 	.probe =	usbnet_probe,
1368 	.suspend =	asix_suspend,
1369 	.resume =	asix_resume,
1370 	.reset_resume =	asix_resume,
1371 	.disconnect =	usbnet_disconnect,
1372 	.supports_autosuspend = 1,
1373 	.disable_hub_initiated_lpm = 1,
1374 };
1375 
1376 module_usb_driver(asix_driver);
1377 
1378 MODULE_AUTHOR("David Hollis");
1379 MODULE_VERSION(DRIVER_VERSION);
1380 MODULE_DESCRIPTION("ASIX AX8817X based USB 2.0 Ethernet Devices");
1381 MODULE_LICENSE("GPL");
1382 
1383