xref: /openbmc/linux/drivers/net/usb/asix_devices.c (revision 022dacdd)
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 		memcpy(dev->net->dev_addr, addr, ETH_ALEN);
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,
129 	.set_link_ksettings	= usbnet_set_link_ksettings,
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	= usbnet_get_stats64,
198 	.ndo_set_mac_address 	= eth_mac_addr,
199 	.ndo_validate_addr	= eth_validate_addr,
200 	.ndo_do_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 	dev->mii.phy_id = asix_get_phy_addr(dev);
266 
267 	dev->net->netdev_ops = &ax88172_netdev_ops;
268 	dev->net->ethtool_ops = &ax88172_ethtool_ops;
269 	dev->net->needed_headroom = 4; /* cf asix_tx_fixup() */
270 	dev->net->needed_tailroom = 4; /* cf asix_tx_fixup() */
271 
272 	asix_phy_reset(dev, BMCR_RESET);
273 	asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
274 		ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
275 	mii_nway_restart(&dev->mii);
276 
277 	return 0;
278 
279 out:
280 	return ret;
281 }
282 
283 static const struct ethtool_ops ax88772_ethtool_ops = {
284 	.get_drvinfo		= asix_get_drvinfo,
285 	.get_link		= asix_get_link,
286 	.get_msglevel		= usbnet_get_msglevel,
287 	.set_msglevel		= usbnet_set_msglevel,
288 	.get_wol		= asix_get_wol,
289 	.set_wol		= asix_set_wol,
290 	.get_eeprom_len		= asix_get_eeprom_len,
291 	.get_eeprom		= asix_get_eeprom,
292 	.set_eeprom		= asix_set_eeprom,
293 	.nway_reset		= usbnet_nway_reset,
294 	.get_link_ksettings	= usbnet_get_link_ksettings,
295 	.set_link_ksettings	= usbnet_set_link_ksettings,
296 };
297 
298 static int ax88772_link_reset(struct usbnet *dev)
299 {
300 	u16 mode;
301 	struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
302 
303 	mii_check_media(&dev->mii, 1, 1);
304 	mii_ethtool_gset(&dev->mii, &ecmd);
305 	mode = AX88772_MEDIUM_DEFAULT;
306 
307 	if (ethtool_cmd_speed(&ecmd) != SPEED_100)
308 		mode &= ~AX_MEDIUM_PS;
309 
310 	if (ecmd.duplex != DUPLEX_FULL)
311 		mode &= ~AX_MEDIUM_FD;
312 
313 	netdev_dbg(dev->net, "ax88772_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
314 		   ethtool_cmd_speed(&ecmd), ecmd.duplex, mode);
315 
316 	asix_write_medium_mode(dev, mode, 0);
317 
318 	return 0;
319 }
320 
321 static int ax88772_reset(struct usbnet *dev)
322 {
323 	struct asix_data *data = (struct asix_data *)&dev->data;
324 	int ret;
325 
326 	/* Rewrite MAC address */
327 	ether_addr_copy(data->mac_addr, dev->net->dev_addr);
328 	ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0,
329 			     ETH_ALEN, data->mac_addr, 0);
330 	if (ret < 0)
331 		goto out;
332 
333 	/* Set RX_CTL to default values with 2k buffer, and enable cactus */
334 	ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, 0);
335 	if (ret < 0)
336 		goto out;
337 
338 	ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT, 0);
339 	if (ret < 0)
340 		goto out;
341 
342 	return 0;
343 
344 out:
345 	return ret;
346 }
347 
348 static int ax88772_hw_reset(struct usbnet *dev, int in_pm)
349 {
350 	struct asix_data *data = (struct asix_data *)&dev->data;
351 	int ret, embd_phy;
352 	u16 rx_ctl;
353 
354 	ret = asix_write_gpio(dev, AX_GPIO_RSE | AX_GPIO_GPO_2 |
355 			      AX_GPIO_GPO2EN, 5, in_pm);
356 	if (ret < 0)
357 		goto out;
358 
359 	embd_phy = ((dev->mii.phy_id & 0x1f) == 0x10 ? 1 : 0);
360 
361 	ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, embd_phy,
362 			     0, 0, NULL, in_pm);
363 	if (ret < 0) {
364 		netdev_dbg(dev->net, "Select PHY #1 failed: %d\n", ret);
365 		goto out;
366 	}
367 
368 	if (embd_phy) {
369 		ret = asix_sw_reset(dev, AX_SWRESET_IPPD, in_pm);
370 		if (ret < 0)
371 			goto out;
372 
373 		usleep_range(10000, 11000);
374 
375 		ret = asix_sw_reset(dev, AX_SWRESET_CLEAR, in_pm);
376 		if (ret < 0)
377 			goto out;
378 
379 		msleep(60);
380 
381 		ret = asix_sw_reset(dev, AX_SWRESET_IPRL | AX_SWRESET_PRL,
382 				    in_pm);
383 		if (ret < 0)
384 			goto out;
385 	} else {
386 		ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_PRL,
387 				    in_pm);
388 		if (ret < 0)
389 			goto out;
390 	}
391 
392 	msleep(150);
393 
394 	if (in_pm && (!asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
395 					   MII_PHYSID1))){
396 		ret = -EIO;
397 		goto out;
398 	}
399 
400 	ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm);
401 	if (ret < 0)
402 		goto out;
403 
404 	ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT, in_pm);
405 	if (ret < 0)
406 		goto out;
407 
408 	ret = asix_write_cmd(dev, AX_CMD_WRITE_IPG0,
409 			     AX88772_IPG0_DEFAULT | AX88772_IPG1_DEFAULT,
410 			     AX88772_IPG2_DEFAULT, 0, NULL, in_pm);
411 	if (ret < 0) {
412 		netdev_dbg(dev->net, "Write IPG,IPG1,IPG2 failed: %d\n", ret);
413 		goto out;
414 	}
415 
416 	/* Rewrite MAC address */
417 	ether_addr_copy(data->mac_addr, dev->net->dev_addr);
418 	ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0,
419 			     ETH_ALEN, data->mac_addr, in_pm);
420 	if (ret < 0)
421 		goto out;
422 
423 	/* Set RX_CTL to default values with 2k buffer, and enable cactus */
424 	ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm);
425 	if (ret < 0)
426 		goto out;
427 
428 	rx_ctl = asix_read_rx_ctl(dev, in_pm);
429 	netdev_dbg(dev->net, "RX_CTL is 0x%04x after all initializations\n",
430 		   rx_ctl);
431 
432 	rx_ctl = asix_read_medium_status(dev, in_pm);
433 	netdev_dbg(dev->net,
434 		   "Medium Status is 0x%04x after all initializations\n",
435 		   rx_ctl);
436 
437 	return 0;
438 
439 out:
440 	return ret;
441 }
442 
443 static int ax88772a_hw_reset(struct usbnet *dev, int in_pm)
444 {
445 	struct asix_data *data = (struct asix_data *)&dev->data;
446 	int ret, embd_phy;
447 	u16 rx_ctl, phy14h, phy15h, phy16h;
448 	u8 chipcode = 0;
449 
450 	ret = asix_write_gpio(dev, AX_GPIO_RSE, 5, in_pm);
451 	if (ret < 0)
452 		goto out;
453 
454 	embd_phy = ((dev->mii.phy_id & 0x1f) == 0x10 ? 1 : 0);
455 
456 	ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, embd_phy |
457 			     AX_PHYSEL_SSEN, 0, 0, NULL, in_pm);
458 	if (ret < 0) {
459 		netdev_dbg(dev->net, "Select PHY #1 failed: %d\n", ret);
460 		goto out;
461 	}
462 	usleep_range(10000, 11000);
463 
464 	ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_IPRL, in_pm);
465 	if (ret < 0)
466 		goto out;
467 
468 	usleep_range(10000, 11000);
469 
470 	ret = asix_sw_reset(dev, AX_SWRESET_IPRL, in_pm);
471 	if (ret < 0)
472 		goto out;
473 
474 	msleep(160);
475 
476 	ret = asix_sw_reset(dev, AX_SWRESET_CLEAR, in_pm);
477 	if (ret < 0)
478 		goto out;
479 
480 	ret = asix_sw_reset(dev, AX_SWRESET_IPRL, in_pm);
481 	if (ret < 0)
482 		goto out;
483 
484 	msleep(200);
485 
486 	if (in_pm && (!asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
487 					   MII_PHYSID1))) {
488 		ret = -1;
489 		goto out;
490 	}
491 
492 	ret = asix_read_cmd(dev, AX_CMD_STATMNGSTS_REG, 0,
493 			    0, 1, &chipcode, in_pm);
494 	if (ret < 0)
495 		goto out;
496 
497 	if ((chipcode & AX_CHIPCODE_MASK) == AX_AX88772B_CHIPCODE) {
498 		ret = asix_write_cmd(dev, AX_QCTCTRL, 0x8000, 0x8001,
499 				     0, NULL, in_pm);
500 		if (ret < 0) {
501 			netdev_dbg(dev->net, "Write BQ setting failed: %d\n",
502 				   ret);
503 			goto out;
504 		}
505 	} else if ((chipcode & AX_CHIPCODE_MASK) == AX_AX88772A_CHIPCODE) {
506 		/* Check if the PHY registers have default settings */
507 		phy14h = asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
508 					     AX88772A_PHY14H);
509 		phy15h = asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
510 					     AX88772A_PHY15H);
511 		phy16h = asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
512 					     AX88772A_PHY16H);
513 
514 		netdev_dbg(dev->net,
515 			   "772a_hw_reset: MR20=0x%x MR21=0x%x MR22=0x%x\n",
516 			   phy14h, phy15h, phy16h);
517 
518 		/* Restore PHY registers default setting if not */
519 		if (phy14h != AX88772A_PHY14H_DEFAULT)
520 			asix_mdio_write_nopm(dev->net, dev->mii.phy_id,
521 					     AX88772A_PHY14H,
522 					     AX88772A_PHY14H_DEFAULT);
523 		if (phy15h != AX88772A_PHY15H_DEFAULT)
524 			asix_mdio_write_nopm(dev->net, dev->mii.phy_id,
525 					     AX88772A_PHY15H,
526 					     AX88772A_PHY15H_DEFAULT);
527 		if (phy16h != AX88772A_PHY16H_DEFAULT)
528 			asix_mdio_write_nopm(dev->net, dev->mii.phy_id,
529 					     AX88772A_PHY16H,
530 					     AX88772A_PHY16H_DEFAULT);
531 	}
532 
533 	ret = asix_write_cmd(dev, AX_CMD_WRITE_IPG0,
534 				AX88772_IPG0_DEFAULT | AX88772_IPG1_DEFAULT,
535 				AX88772_IPG2_DEFAULT, 0, NULL, in_pm);
536 	if (ret < 0) {
537 		netdev_dbg(dev->net, "Write IPG,IPG1,IPG2 failed: %d\n", ret);
538 		goto out;
539 	}
540 
541 	/* Rewrite MAC address */
542 	memcpy(data->mac_addr, dev->net->dev_addr, ETH_ALEN);
543 	ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN,
544 							data->mac_addr, in_pm);
545 	if (ret < 0)
546 		goto out;
547 
548 	/* Set RX_CTL to default values with 2k buffer, and enable cactus */
549 	ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm);
550 	if (ret < 0)
551 		goto out;
552 
553 	ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT, in_pm);
554 	if (ret < 0)
555 		return ret;
556 
557 	/* Set RX_CTL to default values with 2k buffer, and enable cactus */
558 	ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm);
559 	if (ret < 0)
560 		goto out;
561 
562 	rx_ctl = asix_read_rx_ctl(dev, in_pm);
563 	netdev_dbg(dev->net, "RX_CTL is 0x%04x after all initializations\n",
564 		   rx_ctl);
565 
566 	rx_ctl = asix_read_medium_status(dev, in_pm);
567 	netdev_dbg(dev->net,
568 		   "Medium Status is 0x%04x after all initializations\n",
569 		   rx_ctl);
570 
571 	return 0;
572 
573 out:
574 	return ret;
575 }
576 
577 static const struct net_device_ops ax88772_netdev_ops = {
578 	.ndo_open		= usbnet_open,
579 	.ndo_stop		= usbnet_stop,
580 	.ndo_start_xmit		= usbnet_start_xmit,
581 	.ndo_tx_timeout		= usbnet_tx_timeout,
582 	.ndo_change_mtu		= usbnet_change_mtu,
583 	.ndo_get_stats64	= usbnet_get_stats64,
584 	.ndo_set_mac_address 	= asix_set_mac_address,
585 	.ndo_validate_addr	= eth_validate_addr,
586 	.ndo_do_ioctl		= asix_ioctl,
587 	.ndo_set_rx_mode        = asix_set_multicast,
588 };
589 
590 static void ax88772_suspend(struct usbnet *dev)
591 {
592 	struct asix_common_private *priv = dev->driver_priv;
593 	u16 medium;
594 
595 	/* Stop MAC operation */
596 	medium = asix_read_medium_status(dev, 1);
597 	medium &= ~AX_MEDIUM_RE;
598 	asix_write_medium_mode(dev, medium, 1);
599 
600 	netdev_dbg(dev->net, "ax88772_suspend: medium=0x%04x\n",
601 		   asix_read_medium_status(dev, 1));
602 
603 	/* Preserve BMCR for restoring */
604 	priv->presvd_phy_bmcr =
605 		asix_mdio_read_nopm(dev->net, dev->mii.phy_id, MII_BMCR);
606 
607 	/* Preserve ANAR for restoring */
608 	priv->presvd_phy_advertise =
609 		asix_mdio_read_nopm(dev->net, dev->mii.phy_id, MII_ADVERTISE);
610 }
611 
612 static int asix_suspend(struct usb_interface *intf, pm_message_t message)
613 {
614 	struct usbnet *dev = usb_get_intfdata(intf);
615 	struct asix_common_private *priv = dev->driver_priv;
616 
617 	if (priv && priv->suspend)
618 		priv->suspend(dev);
619 
620 	return usbnet_suspend(intf, message);
621 }
622 
623 static void ax88772_restore_phy(struct usbnet *dev)
624 {
625 	struct asix_common_private *priv = dev->driver_priv;
626 
627 	if (priv->presvd_phy_advertise) {
628 		/* Restore Advertisement control reg */
629 		asix_mdio_write_nopm(dev->net, dev->mii.phy_id, MII_ADVERTISE,
630 				     priv->presvd_phy_advertise);
631 
632 		/* Restore BMCR */
633 		if (priv->presvd_phy_bmcr & BMCR_ANENABLE)
634 			priv->presvd_phy_bmcr |= BMCR_ANRESTART;
635 
636 		asix_mdio_write_nopm(dev->net, dev->mii.phy_id, MII_BMCR,
637 				     priv->presvd_phy_bmcr);
638 
639 		priv->presvd_phy_advertise = 0;
640 		priv->presvd_phy_bmcr = 0;
641 	}
642 }
643 
644 static void ax88772_resume(struct usbnet *dev)
645 {
646 	int i;
647 
648 	for (i = 0; i < 3; i++)
649 		if (!ax88772_hw_reset(dev, 1))
650 			break;
651 	ax88772_restore_phy(dev);
652 }
653 
654 static void ax88772a_resume(struct usbnet *dev)
655 {
656 	int i;
657 
658 	for (i = 0; i < 3; i++) {
659 		if (!ax88772a_hw_reset(dev, 1))
660 			break;
661 	}
662 
663 	ax88772_restore_phy(dev);
664 }
665 
666 static int asix_resume(struct usb_interface *intf)
667 {
668 	struct usbnet *dev = usb_get_intfdata(intf);
669 	struct asix_common_private *priv = dev->driver_priv;
670 
671 	if (priv && priv->resume)
672 		priv->resume(dev);
673 
674 	return usbnet_resume(intf);
675 }
676 
677 static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf)
678 {
679 	int ret, i;
680 	u8 buf[ETH_ALEN] = {0}, chipcode = 0;
681 	u32 phyid;
682 	struct asix_common_private *priv;
683 
684 	usbnet_get_endpoints(dev, intf);
685 
686 	/* Maybe the boot loader passed the MAC address via device tree */
687 	if (!eth_platform_get_mac_address(&dev->udev->dev, buf)) {
688 		netif_dbg(dev, ifup, dev->net,
689 			  "MAC address read from device tree");
690 	} else {
691 		/* Try getting the MAC address from EEPROM */
692 		if (dev->driver_info->data & FLAG_EEPROM_MAC) {
693 			for (i = 0; i < (ETH_ALEN >> 1); i++) {
694 				ret = asix_read_cmd(dev, AX_CMD_READ_EEPROM,
695 						    0x04 + i, 0, 2, buf + i * 2,
696 						    0);
697 				if (ret < 0)
698 					break;
699 			}
700 		} else {
701 			ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID,
702 					    0, 0, ETH_ALEN, buf, 0);
703 		}
704 
705 		if (ret < 0) {
706 			netdev_dbg(dev->net, "Failed to read MAC address: %d\n",
707 				   ret);
708 			return ret;
709 		}
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 	ret = (chipcode == AX_AX88772_CHIPCODE) ? ax88772_hw_reset(dev, 0) :
731 						  ax88772a_hw_reset(dev, 0);
732 
733 	if (ret < 0) {
734 		netdev_dbg(dev->net, "Failed to reset AX88772: %d\n", ret);
735 		return ret;
736 	}
737 
738 	/* Read PHYID register *AFTER* the PHY was reset properly */
739 	phyid = asix_get_phyid(dev);
740 	netdev_dbg(dev->net, "PHYID=0x%08x\n", phyid);
741 
742 	/* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
743 	if (dev->driver_info->flags & FLAG_FRAMING_AX) {
744 		/* hard_mtu  is still the default - the device does not support
745 		   jumbo eth frames */
746 		dev->rx_urb_size = 2048;
747 	}
748 
749 	dev->driver_priv = kzalloc(sizeof(struct asix_common_private), GFP_KERNEL);
750 	if (!dev->driver_priv)
751 		return -ENOMEM;
752 
753 	priv = dev->driver_priv;
754 
755 	priv->presvd_phy_bmcr = 0;
756 	priv->presvd_phy_advertise = 0;
757 	if (chipcode == AX_AX88772_CHIPCODE) {
758 		priv->resume = ax88772_resume;
759 		priv->suspend = ax88772_suspend;
760 	} else {
761 		priv->resume = ax88772a_resume;
762 		priv->suspend = ax88772_suspend;
763 	}
764 
765 	return 0;
766 }
767 
768 static void ax88772_unbind(struct usbnet *dev, struct usb_interface *intf)
769 {
770 	asix_rx_fixup_common_free(dev->driver_priv);
771 	kfree(dev->driver_priv);
772 }
773 
774 static const struct ethtool_ops ax88178_ethtool_ops = {
775 	.get_drvinfo		= asix_get_drvinfo,
776 	.get_link		= asix_get_link,
777 	.get_msglevel		= usbnet_get_msglevel,
778 	.set_msglevel		= usbnet_set_msglevel,
779 	.get_wol		= asix_get_wol,
780 	.set_wol		= asix_set_wol,
781 	.get_eeprom_len		= asix_get_eeprom_len,
782 	.get_eeprom		= asix_get_eeprom,
783 	.set_eeprom		= asix_set_eeprom,
784 	.nway_reset		= usbnet_nway_reset,
785 	.get_link_ksettings	= usbnet_get_link_ksettings,
786 	.set_link_ksettings	= usbnet_set_link_ksettings,
787 };
788 
789 static int marvell_phy_init(struct usbnet *dev)
790 {
791 	struct asix_data *data = (struct asix_data *)&dev->data;
792 	u16 reg;
793 
794 	netdev_dbg(dev->net, "marvell_phy_init()\n");
795 
796 	reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_MARVELL_STATUS);
797 	netdev_dbg(dev->net, "MII_MARVELL_STATUS = 0x%04x\n", reg);
798 
799 	asix_mdio_write(dev->net, dev->mii.phy_id, MII_MARVELL_CTRL,
800 			MARVELL_CTRL_RXDELAY | MARVELL_CTRL_TXDELAY);
801 
802 	if (data->ledmode) {
803 		reg = asix_mdio_read(dev->net, dev->mii.phy_id,
804 			MII_MARVELL_LED_CTRL);
805 		netdev_dbg(dev->net, "MII_MARVELL_LED_CTRL (1) = 0x%04x\n", reg);
806 
807 		reg &= 0xf8ff;
808 		reg |= (1 + 0x0100);
809 		asix_mdio_write(dev->net, dev->mii.phy_id,
810 			MII_MARVELL_LED_CTRL, reg);
811 
812 		reg = asix_mdio_read(dev->net, dev->mii.phy_id,
813 			MII_MARVELL_LED_CTRL);
814 		netdev_dbg(dev->net, "MII_MARVELL_LED_CTRL (2) = 0x%04x\n", reg);
815 		reg &= 0xfc0f;
816 	}
817 
818 	return 0;
819 }
820 
821 static int rtl8211cl_phy_init(struct usbnet *dev)
822 {
823 	struct asix_data *data = (struct asix_data *)&dev->data;
824 
825 	netdev_dbg(dev->net, "rtl8211cl_phy_init()\n");
826 
827 	asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0x0005);
828 	asix_mdio_write (dev->net, dev->mii.phy_id, 0x0c, 0);
829 	asix_mdio_write (dev->net, dev->mii.phy_id, 0x01,
830 		asix_mdio_read (dev->net, dev->mii.phy_id, 0x01) | 0x0080);
831 	asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0);
832 
833 	if (data->ledmode == 12) {
834 		asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0x0002);
835 		asix_mdio_write (dev->net, dev->mii.phy_id, 0x1a, 0x00cb);
836 		asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0);
837 	}
838 
839 	return 0;
840 }
841 
842 static int marvell_led_status(struct usbnet *dev, u16 speed)
843 {
844 	u16 reg = asix_mdio_read(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL);
845 
846 	netdev_dbg(dev->net, "marvell_led_status() read 0x%04x\n", reg);
847 
848 	/* Clear out the center LED bits - 0x03F0 */
849 	reg &= 0xfc0f;
850 
851 	switch (speed) {
852 		case SPEED_1000:
853 			reg |= 0x03e0;
854 			break;
855 		case SPEED_100:
856 			reg |= 0x03b0;
857 			break;
858 		default:
859 			reg |= 0x02f0;
860 	}
861 
862 	netdev_dbg(dev->net, "marvell_led_status() writing 0x%04x\n", reg);
863 	asix_mdio_write(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL, reg);
864 
865 	return 0;
866 }
867 
868 static int ax88178_reset(struct usbnet *dev)
869 {
870 	struct asix_data *data = (struct asix_data *)&dev->data;
871 	int ret;
872 	__le16 eeprom;
873 	u8 status;
874 	int gpio0 = 0;
875 	u32 phyid;
876 
877 	asix_read_cmd(dev, AX_CMD_READ_GPIOS, 0, 0, 1, &status, 0);
878 	netdev_dbg(dev->net, "GPIO Status: 0x%04x\n", status);
879 
880 	asix_write_cmd(dev, AX_CMD_WRITE_ENABLE, 0, 0, 0, NULL, 0);
881 	asix_read_cmd(dev, AX_CMD_READ_EEPROM, 0x0017, 0, 2, &eeprom, 0);
882 	asix_write_cmd(dev, AX_CMD_WRITE_DISABLE, 0, 0, 0, NULL, 0);
883 
884 	netdev_dbg(dev->net, "EEPROM index 0x17 is 0x%04x\n", eeprom);
885 
886 	if (eeprom == cpu_to_le16(0xffff)) {
887 		data->phymode = PHY_MODE_MARVELL;
888 		data->ledmode = 0;
889 		gpio0 = 1;
890 	} else {
891 		data->phymode = le16_to_cpu(eeprom) & 0x7F;
892 		data->ledmode = le16_to_cpu(eeprom) >> 8;
893 		gpio0 = (le16_to_cpu(eeprom) & 0x80) ? 0 : 1;
894 	}
895 	netdev_dbg(dev->net, "GPIO0: %d, PhyMode: %d\n", gpio0, data->phymode);
896 
897 	/* Power up external GigaPHY through AX88178 GPIO pin */
898 	asix_write_gpio(dev, AX_GPIO_RSE | AX_GPIO_GPO_1 |
899 			AX_GPIO_GPO1EN, 40, 0);
900 	if ((le16_to_cpu(eeprom) >> 8) != 1) {
901 		asix_write_gpio(dev, 0x003c, 30, 0);
902 		asix_write_gpio(dev, 0x001c, 300, 0);
903 		asix_write_gpio(dev, 0x003c, 30, 0);
904 	} else {
905 		netdev_dbg(dev->net, "gpio phymode == 1 path\n");
906 		asix_write_gpio(dev, AX_GPIO_GPO1EN, 30, 0);
907 		asix_write_gpio(dev, AX_GPIO_GPO1EN | AX_GPIO_GPO_1, 30, 0);
908 	}
909 
910 	/* Read PHYID register *AFTER* powering up PHY */
911 	phyid = asix_get_phyid(dev);
912 	netdev_dbg(dev->net, "PHYID=0x%08x\n", phyid);
913 
914 	/* Set AX88178 to enable MII/GMII/RGMII interface for external PHY */
915 	asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, 0, 0, 0, NULL, 0);
916 
917 	asix_sw_reset(dev, 0, 0);
918 	msleep(150);
919 
920 	asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD, 0);
921 	msleep(150);
922 
923 	asix_write_rx_ctl(dev, 0, 0);
924 
925 	if (data->phymode == PHY_MODE_MARVELL) {
926 		marvell_phy_init(dev);
927 		msleep(60);
928 	} else if (data->phymode == PHY_MODE_RTL8211CL)
929 		rtl8211cl_phy_init(dev);
930 
931 	asix_phy_reset(dev, BMCR_RESET | BMCR_ANENABLE);
932 	asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
933 			ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
934 	asix_mdio_write(dev->net, dev->mii.phy_id, MII_CTRL1000,
935 			ADVERTISE_1000FULL);
936 
937 	asix_write_medium_mode(dev, AX88178_MEDIUM_DEFAULT, 0);
938 	mii_nway_restart(&dev->mii);
939 
940 	/* Rewrite MAC address */
941 	memcpy(data->mac_addr, dev->net->dev_addr, ETH_ALEN);
942 	ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN,
943 							data->mac_addr, 0);
944 	if (ret < 0)
945 		return ret;
946 
947 	ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, 0);
948 	if (ret < 0)
949 		return ret;
950 
951 	return 0;
952 }
953 
954 static int ax88178_link_reset(struct usbnet *dev)
955 {
956 	u16 mode;
957 	struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
958 	struct asix_data *data = (struct asix_data *)&dev->data;
959 	u32 speed;
960 
961 	netdev_dbg(dev->net, "ax88178_link_reset()\n");
962 
963 	mii_check_media(&dev->mii, 1, 1);
964 	mii_ethtool_gset(&dev->mii, &ecmd);
965 	mode = AX88178_MEDIUM_DEFAULT;
966 	speed = ethtool_cmd_speed(&ecmd);
967 
968 	if (speed == SPEED_1000)
969 		mode |= AX_MEDIUM_GM;
970 	else if (speed == SPEED_100)
971 		mode |= AX_MEDIUM_PS;
972 	else
973 		mode &= ~(AX_MEDIUM_PS | AX_MEDIUM_GM);
974 
975 	mode |= AX_MEDIUM_ENCK;
976 
977 	if (ecmd.duplex == DUPLEX_FULL)
978 		mode |= AX_MEDIUM_FD;
979 	else
980 		mode &= ~AX_MEDIUM_FD;
981 
982 	netdev_dbg(dev->net, "ax88178_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
983 		   speed, ecmd.duplex, mode);
984 
985 	asix_write_medium_mode(dev, mode, 0);
986 
987 	if (data->phymode == PHY_MODE_MARVELL && data->ledmode)
988 		marvell_led_status(dev, speed);
989 
990 	return 0;
991 }
992 
993 static void ax88178_set_mfb(struct usbnet *dev)
994 {
995 	u16 mfb = AX_RX_CTL_MFB_16384;
996 	u16 rxctl;
997 	u16 medium;
998 	int old_rx_urb_size = dev->rx_urb_size;
999 
1000 	if (dev->hard_mtu < 2048) {
1001 		dev->rx_urb_size = 2048;
1002 		mfb = AX_RX_CTL_MFB_2048;
1003 	} else if (dev->hard_mtu < 4096) {
1004 		dev->rx_urb_size = 4096;
1005 		mfb = AX_RX_CTL_MFB_4096;
1006 	} else if (dev->hard_mtu < 8192) {
1007 		dev->rx_urb_size = 8192;
1008 		mfb = AX_RX_CTL_MFB_8192;
1009 	} else if (dev->hard_mtu < 16384) {
1010 		dev->rx_urb_size = 16384;
1011 		mfb = AX_RX_CTL_MFB_16384;
1012 	}
1013 
1014 	rxctl = asix_read_rx_ctl(dev, 0);
1015 	asix_write_rx_ctl(dev, (rxctl & ~AX_RX_CTL_MFB_16384) | mfb, 0);
1016 
1017 	medium = asix_read_medium_status(dev, 0);
1018 	if (dev->net->mtu > 1500)
1019 		medium |= AX_MEDIUM_JFE;
1020 	else
1021 		medium &= ~AX_MEDIUM_JFE;
1022 	asix_write_medium_mode(dev, medium, 0);
1023 
1024 	if (dev->rx_urb_size > old_rx_urb_size)
1025 		usbnet_unlink_rx_urbs(dev);
1026 }
1027 
1028 static int ax88178_change_mtu(struct net_device *net, int new_mtu)
1029 {
1030 	struct usbnet *dev = netdev_priv(net);
1031 	int ll_mtu = new_mtu + net->hard_header_len + 4;
1032 
1033 	netdev_dbg(dev->net, "ax88178_change_mtu() new_mtu=%d\n", new_mtu);
1034 
1035 	if ((ll_mtu % dev->maxpacket) == 0)
1036 		return -EDOM;
1037 
1038 	net->mtu = new_mtu;
1039 	dev->hard_mtu = net->mtu + net->hard_header_len;
1040 	ax88178_set_mfb(dev);
1041 
1042 	/* max qlen depend on hard_mtu and rx_urb_size */
1043 	usbnet_update_max_qlen(dev);
1044 
1045 	return 0;
1046 }
1047 
1048 static const struct net_device_ops ax88178_netdev_ops = {
1049 	.ndo_open		= usbnet_open,
1050 	.ndo_stop		= usbnet_stop,
1051 	.ndo_start_xmit		= usbnet_start_xmit,
1052 	.ndo_tx_timeout		= usbnet_tx_timeout,
1053 	.ndo_get_stats64	= usbnet_get_stats64,
1054 	.ndo_set_mac_address 	= asix_set_mac_address,
1055 	.ndo_validate_addr	= eth_validate_addr,
1056 	.ndo_set_rx_mode	= asix_set_multicast,
1057 	.ndo_do_ioctl 		= asix_ioctl,
1058 	.ndo_change_mtu 	= ax88178_change_mtu,
1059 };
1060 
1061 static int ax88178_bind(struct usbnet *dev, struct usb_interface *intf)
1062 {
1063 	int ret;
1064 	u8 buf[ETH_ALEN] = {0};
1065 
1066 	usbnet_get_endpoints(dev,intf);
1067 
1068 	/* Get the MAC address */
1069 	ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf, 0);
1070 	if (ret < 0) {
1071 		netdev_dbg(dev->net, "Failed to read MAC address: %d\n", ret);
1072 		return ret;
1073 	}
1074 
1075 	asix_set_netdev_dev_addr(dev, buf);
1076 
1077 	/* Initialize MII structure */
1078 	dev->mii.dev = dev->net;
1079 	dev->mii.mdio_read = asix_mdio_read;
1080 	dev->mii.mdio_write = asix_mdio_write;
1081 	dev->mii.phy_id_mask = 0x1f;
1082 	dev->mii.reg_num_mask = 0xff;
1083 	dev->mii.supports_gmii = 1;
1084 	dev->mii.phy_id = asix_get_phy_addr(dev);
1085 
1086 	dev->net->netdev_ops = &ax88178_netdev_ops;
1087 	dev->net->ethtool_ops = &ax88178_ethtool_ops;
1088 	dev->net->max_mtu = 16384 - (dev->net->hard_header_len + 4);
1089 
1090 	/* Blink LEDS so users know driver saw dongle */
1091 	asix_sw_reset(dev, 0, 0);
1092 	msleep(150);
1093 
1094 	asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD, 0);
1095 	msleep(150);
1096 
1097 	/* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
1098 	if (dev->driver_info->flags & FLAG_FRAMING_AX) {
1099 		/* hard_mtu  is still the default - the device does not support
1100 		   jumbo eth frames */
1101 		dev->rx_urb_size = 2048;
1102 	}
1103 
1104 	dev->driver_priv = kzalloc(sizeof(struct asix_common_private), GFP_KERNEL);
1105 	if (!dev->driver_priv)
1106 			return -ENOMEM;
1107 
1108 	return 0;
1109 }
1110 
1111 static const struct driver_info ax8817x_info = {
1112 	.description = "ASIX AX8817x USB 2.0 Ethernet",
1113 	.bind = ax88172_bind,
1114 	.status = asix_status,
1115 	.link_reset = ax88172_link_reset,
1116 	.reset = ax88172_link_reset,
1117 	.flags =  FLAG_ETHER | FLAG_LINK_INTR,
1118 	.data = 0x00130103,
1119 };
1120 
1121 static const struct driver_info dlink_dub_e100_info = {
1122 	.description = "DLink DUB-E100 USB Ethernet",
1123 	.bind = ax88172_bind,
1124 	.status = asix_status,
1125 	.link_reset = ax88172_link_reset,
1126 	.reset = ax88172_link_reset,
1127 	.flags =  FLAG_ETHER | FLAG_LINK_INTR,
1128 	.data = 0x009f9d9f,
1129 };
1130 
1131 static const struct driver_info netgear_fa120_info = {
1132 	.description = "Netgear FA-120 USB Ethernet",
1133 	.bind = ax88172_bind,
1134 	.status = asix_status,
1135 	.link_reset = ax88172_link_reset,
1136 	.reset = ax88172_link_reset,
1137 	.flags =  FLAG_ETHER | FLAG_LINK_INTR,
1138 	.data = 0x00130103,
1139 };
1140 
1141 static const struct driver_info hawking_uf200_info = {
1142 	.description = "Hawking UF200 USB Ethernet",
1143 	.bind = ax88172_bind,
1144 	.status = asix_status,
1145 	.link_reset = ax88172_link_reset,
1146 	.reset = ax88172_link_reset,
1147 	.flags =  FLAG_ETHER | FLAG_LINK_INTR,
1148 	.data = 0x001f1d1f,
1149 };
1150 
1151 static const struct driver_info ax88772_info = {
1152 	.description = "ASIX AX88772 USB 2.0 Ethernet",
1153 	.bind = ax88772_bind,
1154 	.unbind = ax88772_unbind,
1155 	.status = asix_status,
1156 	.link_reset = ax88772_link_reset,
1157 	.reset = ax88772_reset,
1158 	.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR | FLAG_MULTI_PACKET,
1159 	.rx_fixup = asix_rx_fixup_common,
1160 	.tx_fixup = asix_tx_fixup,
1161 };
1162 
1163 static const struct driver_info ax88772b_info = {
1164 	.description = "ASIX AX88772B USB 2.0 Ethernet",
1165 	.bind = ax88772_bind,
1166 	.unbind = ax88772_unbind,
1167 	.status = asix_status,
1168 	.link_reset = ax88772_link_reset,
1169 	.reset = ax88772_reset,
1170 	.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR |
1171 	         FLAG_MULTI_PACKET,
1172 	.rx_fixup = asix_rx_fixup_common,
1173 	.tx_fixup = asix_tx_fixup,
1174 	.data = FLAG_EEPROM_MAC,
1175 };
1176 
1177 static const struct driver_info ax88178_info = {
1178 	.description = "ASIX AX88178 USB 2.0 Ethernet",
1179 	.bind = ax88178_bind,
1180 	.unbind = ax88772_unbind,
1181 	.status = asix_status,
1182 	.link_reset = ax88178_link_reset,
1183 	.reset = ax88178_reset,
1184 	.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR |
1185 		 FLAG_MULTI_PACKET,
1186 	.rx_fixup = asix_rx_fixup_common,
1187 	.tx_fixup = asix_tx_fixup,
1188 };
1189 
1190 /*
1191  * USBLINK 20F9 "USB 2.0 LAN" USB ethernet adapter, typically found in
1192  * no-name packaging.
1193  * USB device strings are:
1194  *   1: Manufacturer: USBLINK
1195  *   2: Product: HG20F9 USB2.0
1196  *   3: Serial: 000003
1197  * Appears to be compatible with Asix 88772B.
1198  */
1199 static const struct driver_info hg20f9_info = {
1200 	.description = "HG20F9 USB 2.0 Ethernet",
1201 	.bind = ax88772_bind,
1202 	.unbind = ax88772_unbind,
1203 	.status = asix_status,
1204 	.link_reset = ax88772_link_reset,
1205 	.reset = ax88772_reset,
1206 	.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR |
1207 	         FLAG_MULTI_PACKET,
1208 	.rx_fixup = asix_rx_fixup_common,
1209 	.tx_fixup = asix_tx_fixup,
1210 	.data = FLAG_EEPROM_MAC,
1211 };
1212 
1213 static const struct usb_device_id	products [] = {
1214 {
1215 	// Linksys USB200M
1216 	USB_DEVICE (0x077b, 0x2226),
1217 	.driver_info =	(unsigned long) &ax8817x_info,
1218 }, {
1219 	// Netgear FA120
1220 	USB_DEVICE (0x0846, 0x1040),
1221 	.driver_info =  (unsigned long) &netgear_fa120_info,
1222 }, {
1223 	// DLink DUB-E100
1224 	USB_DEVICE (0x2001, 0x1a00),
1225 	.driver_info =  (unsigned long) &dlink_dub_e100_info,
1226 }, {
1227 	// Intellinet, ST Lab USB Ethernet
1228 	USB_DEVICE (0x0b95, 0x1720),
1229 	.driver_info =  (unsigned long) &ax8817x_info,
1230 }, {
1231 	// Hawking UF200, TrendNet TU2-ET100
1232 	USB_DEVICE (0x07b8, 0x420a),
1233 	.driver_info =  (unsigned long) &hawking_uf200_info,
1234 }, {
1235 	// Billionton Systems, USB2AR
1236 	USB_DEVICE (0x08dd, 0x90ff),
1237 	.driver_info =  (unsigned long) &ax8817x_info,
1238 }, {
1239 	// Billionton Systems, GUSB2AM-1G-B
1240 	USB_DEVICE(0x08dd, 0x0114),
1241 	.driver_info =  (unsigned long) &ax88178_info,
1242 }, {
1243 	// ATEN UC210T
1244 	USB_DEVICE (0x0557, 0x2009),
1245 	.driver_info =  (unsigned long) &ax8817x_info,
1246 }, {
1247 	// Buffalo LUA-U2-KTX
1248 	USB_DEVICE (0x0411, 0x003d),
1249 	.driver_info =  (unsigned long) &ax8817x_info,
1250 }, {
1251 	// Buffalo LUA-U2-GT 10/100/1000
1252 	USB_DEVICE (0x0411, 0x006e),
1253 	.driver_info =  (unsigned long) &ax88178_info,
1254 }, {
1255 	// Sitecom LN-029 "USB 2.0 10/100 Ethernet adapter"
1256 	USB_DEVICE (0x6189, 0x182d),
1257 	.driver_info =  (unsigned long) &ax8817x_info,
1258 }, {
1259 	// Sitecom LN-031 "USB 2.0 10/100/1000 Ethernet adapter"
1260 	USB_DEVICE (0x0df6, 0x0056),
1261 	.driver_info =  (unsigned long) &ax88178_info,
1262 }, {
1263 	// Sitecom LN-028 "USB 2.0 10/100/1000 Ethernet adapter"
1264 	USB_DEVICE (0x0df6, 0x061c),
1265 	.driver_info =  (unsigned long) &ax88178_info,
1266 }, {
1267 	// corega FEther USB2-TX
1268 	USB_DEVICE (0x07aa, 0x0017),
1269 	.driver_info =  (unsigned long) &ax8817x_info,
1270 }, {
1271 	// Surecom EP-1427X-2
1272 	USB_DEVICE (0x1189, 0x0893),
1273 	.driver_info = (unsigned long) &ax8817x_info,
1274 }, {
1275 	// goodway corp usb gwusb2e
1276 	USB_DEVICE (0x1631, 0x6200),
1277 	.driver_info = (unsigned long) &ax8817x_info,
1278 }, {
1279 	// JVC MP-PRX1 Port Replicator
1280 	USB_DEVICE (0x04f1, 0x3008),
1281 	.driver_info = (unsigned long) &ax8817x_info,
1282 }, {
1283 	// Lenovo U2L100P 10/100
1284 	USB_DEVICE (0x17ef, 0x7203),
1285 	.driver_info = (unsigned long)&ax88772b_info,
1286 }, {
1287 	// ASIX AX88772B 10/100
1288 	USB_DEVICE (0x0b95, 0x772b),
1289 	.driver_info = (unsigned long) &ax88772b_info,
1290 }, {
1291 	// ASIX AX88772 10/100
1292 	USB_DEVICE (0x0b95, 0x7720),
1293 	.driver_info = (unsigned long) &ax88772_info,
1294 }, {
1295 	// ASIX AX88178 10/100/1000
1296 	USB_DEVICE (0x0b95, 0x1780),
1297 	.driver_info = (unsigned long) &ax88178_info,
1298 }, {
1299 	// Logitec LAN-GTJ/U2A
1300 	USB_DEVICE (0x0789, 0x0160),
1301 	.driver_info = (unsigned long) &ax88178_info,
1302 }, {
1303 	// Linksys USB200M Rev 2
1304 	USB_DEVICE (0x13b1, 0x0018),
1305 	.driver_info = (unsigned long) &ax88772_info,
1306 }, {
1307 	// 0Q0 cable ethernet
1308 	USB_DEVICE (0x1557, 0x7720),
1309 	.driver_info = (unsigned long) &ax88772_info,
1310 }, {
1311 	// DLink DUB-E100 H/W Ver B1
1312 	USB_DEVICE (0x07d1, 0x3c05),
1313 	.driver_info = (unsigned long) &ax88772_info,
1314 }, {
1315 	// DLink DUB-E100 H/W Ver B1 Alternate
1316 	USB_DEVICE (0x2001, 0x3c05),
1317 	.driver_info = (unsigned long) &ax88772_info,
1318 }, {
1319        // DLink DUB-E100 H/W Ver C1
1320        USB_DEVICE (0x2001, 0x1a02),
1321        .driver_info = (unsigned long) &ax88772_info,
1322 }, {
1323 	// Linksys USB1000
1324 	USB_DEVICE (0x1737, 0x0039),
1325 	.driver_info = (unsigned long) &ax88178_info,
1326 }, {
1327 	// IO-DATA ETG-US2
1328 	USB_DEVICE (0x04bb, 0x0930),
1329 	.driver_info = (unsigned long) &ax88178_info,
1330 }, {
1331 	// Belkin F5D5055
1332 	USB_DEVICE(0x050d, 0x5055),
1333 	.driver_info = (unsigned long) &ax88178_info,
1334 }, {
1335 	// Apple USB Ethernet Adapter
1336 	USB_DEVICE(0x05ac, 0x1402),
1337 	.driver_info = (unsigned long) &ax88772_info,
1338 }, {
1339 	// Cables-to-Go USB Ethernet Adapter
1340 	USB_DEVICE(0x0b95, 0x772a),
1341 	.driver_info = (unsigned long) &ax88772_info,
1342 }, {
1343 	// ABOCOM for pci
1344 	USB_DEVICE(0x14ea, 0xab11),
1345 	.driver_info = (unsigned long) &ax88178_info,
1346 }, {
1347 	// ASIX 88772a
1348 	USB_DEVICE(0x0db0, 0xa877),
1349 	.driver_info = (unsigned long) &ax88772_info,
1350 }, {
1351 	// Asus USB Ethernet Adapter
1352 	USB_DEVICE (0x0b95, 0x7e2b),
1353 	.driver_info = (unsigned long)&ax88772b_info,
1354 }, {
1355 	/* ASIX 88172a demo board */
1356 	USB_DEVICE(0x0b95, 0x172a),
1357 	.driver_info = (unsigned long) &ax88172a_info,
1358 }, {
1359 	/*
1360 	 * USBLINK HG20F9 "USB 2.0 LAN"
1361 	 * Appears to have gazumped Linksys's manufacturer ID but
1362 	 * doesn't (yet) conflict with any known Linksys product.
1363 	 */
1364 	USB_DEVICE(0x066b, 0x20f9),
1365 	.driver_info = (unsigned long) &hg20f9_info,
1366 },
1367 	{ },		// END
1368 };
1369 MODULE_DEVICE_TABLE(usb, products);
1370 
1371 static struct usb_driver asix_driver = {
1372 	.name =		DRIVER_NAME,
1373 	.id_table =	products,
1374 	.probe =	usbnet_probe,
1375 	.suspend =	asix_suspend,
1376 	.resume =	asix_resume,
1377 	.reset_resume =	asix_resume,
1378 	.disconnect =	usbnet_disconnect,
1379 	.supports_autosuspend = 1,
1380 	.disable_hub_initiated_lpm = 1,
1381 };
1382 
1383 module_usb_driver(asix_driver);
1384 
1385 MODULE_AUTHOR("David Hollis");
1386 MODULE_VERSION(DRIVER_VERSION);
1387 MODULE_DESCRIPTION("ASIX AX8817X based USB 2.0 Ethernet Devices");
1388 MODULE_LICENSE("GPL");
1389 
1390