xref: /openbmc/linux/drivers/net/usb/asix_devices.c (revision 0661cb2a)
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_mii,
129 	.set_link_ksettings	= usbnet_set_link_ksettings_mii,
130 };
131 
132 static void ax88172_set_multicast(struct net_device *net)
133 {
134 	struct usbnet *dev = netdev_priv(net);
135 	struct asix_data *data = (struct asix_data *)&dev->data;
136 	u8 rx_ctl = 0x8c;
137 
138 	if (net->flags & IFF_PROMISC) {
139 		rx_ctl |= 0x01;
140 	} else if (net->flags & IFF_ALLMULTI ||
141 		   netdev_mc_count(net) > AX_MAX_MCAST) {
142 		rx_ctl |= 0x02;
143 	} else if (netdev_mc_empty(net)) {
144 		/* just broadcast and directed */
145 	} else {
146 		/* We use the 20 byte dev->data
147 		 * for our 8 byte filter buffer
148 		 * to avoid allocating memory that
149 		 * is tricky to free later */
150 		struct netdev_hw_addr *ha;
151 		u32 crc_bits;
152 
153 		memset(data->multi_filter, 0, AX_MCAST_FILTER_SIZE);
154 
155 		/* Build the multicast hash filter. */
156 		netdev_for_each_mc_addr(ha, net) {
157 			crc_bits = ether_crc(ETH_ALEN, ha->addr) >> 26;
158 			data->multi_filter[crc_bits >> 3] |=
159 			    1 << (crc_bits & 7);
160 		}
161 
162 		asix_write_cmd_async(dev, AX_CMD_WRITE_MULTI_FILTER, 0, 0,
163 				   AX_MCAST_FILTER_SIZE, data->multi_filter);
164 
165 		rx_ctl |= 0x10;
166 	}
167 
168 	asix_write_cmd_async(dev, AX_CMD_WRITE_RX_CTL, rx_ctl, 0, 0, NULL);
169 }
170 
171 static int ax88172_link_reset(struct usbnet *dev)
172 {
173 	u8 mode;
174 	struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
175 
176 	mii_check_media(&dev->mii, 1, 1);
177 	mii_ethtool_gset(&dev->mii, &ecmd);
178 	mode = AX88172_MEDIUM_DEFAULT;
179 
180 	if (ecmd.duplex != DUPLEX_FULL)
181 		mode |= ~AX88172_MEDIUM_FD;
182 
183 	netdev_dbg(dev->net, "ax88172_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
184 		   ethtool_cmd_speed(&ecmd), ecmd.duplex, mode);
185 
186 	asix_write_medium_mode(dev, mode, 0);
187 
188 	return 0;
189 }
190 
191 static const struct net_device_ops ax88172_netdev_ops = {
192 	.ndo_open		= usbnet_open,
193 	.ndo_stop		= usbnet_stop,
194 	.ndo_start_xmit		= usbnet_start_xmit,
195 	.ndo_tx_timeout		= usbnet_tx_timeout,
196 	.ndo_change_mtu		= usbnet_change_mtu,
197 	.ndo_get_stats64	= dev_get_tstats64,
198 	.ndo_set_mac_address 	= eth_mac_addr,
199 	.ndo_validate_addr	= eth_validate_addr,
200 	.ndo_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 
266 	dev->mii.phy_id = asix_read_phy_addr(dev, true);
267 	if (dev->mii.phy_id < 0)
268 		return dev->mii.phy_id;
269 
270 	dev->net->netdev_ops = &ax88172_netdev_ops;
271 	dev->net->ethtool_ops = &ax88172_ethtool_ops;
272 	dev->net->needed_headroom = 4; /* cf asix_tx_fixup() */
273 	dev->net->needed_tailroom = 4; /* cf asix_tx_fixup() */
274 
275 	asix_phy_reset(dev, BMCR_RESET);
276 	asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
277 		ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
278 	mii_nway_restart(&dev->mii);
279 
280 	return 0;
281 
282 out:
283 	return ret;
284 }
285 
286 static void ax88772_ethtool_get_strings(struct net_device *netdev, u32 sset,
287 					u8 *data)
288 {
289 	switch (sset) {
290 	case ETH_SS_TEST:
291 		net_selftest_get_strings(data);
292 		break;
293 	}
294 }
295 
296 static int ax88772_ethtool_get_sset_count(struct net_device *ndev, int sset)
297 {
298 	switch (sset) {
299 	case ETH_SS_TEST:
300 		return net_selftest_get_count();
301 	default:
302 		return -EOPNOTSUPP;
303 	}
304 }
305 
306 static const struct ethtool_ops ax88772_ethtool_ops = {
307 	.get_drvinfo		= asix_get_drvinfo,
308 	.get_link		= usbnet_get_link,
309 	.get_msglevel		= usbnet_get_msglevel,
310 	.set_msglevel		= usbnet_set_msglevel,
311 	.get_wol		= asix_get_wol,
312 	.set_wol		= asix_set_wol,
313 	.get_eeprom_len		= asix_get_eeprom_len,
314 	.get_eeprom		= asix_get_eeprom,
315 	.set_eeprom		= asix_set_eeprom,
316 	.nway_reset		= phy_ethtool_nway_reset,
317 	.get_link_ksettings	= phy_ethtool_get_link_ksettings,
318 	.set_link_ksettings	= phy_ethtool_set_link_ksettings,
319 	.self_test		= net_selftest,
320 	.get_strings		= ax88772_ethtool_get_strings,
321 	.get_sset_count		= ax88772_ethtool_get_sset_count,
322 };
323 
324 static int ax88772_reset(struct usbnet *dev)
325 {
326 	struct asix_data *data = (struct asix_data *)&dev->data;
327 	struct asix_common_private *priv = dev->driver_priv;
328 	int ret;
329 
330 	/* Rewrite MAC address */
331 	ether_addr_copy(data->mac_addr, dev->net->dev_addr);
332 	ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0,
333 			     ETH_ALEN, data->mac_addr, 0);
334 	if (ret < 0)
335 		goto out;
336 
337 	/* Set RX_CTL to default values with 2k buffer, and enable cactus */
338 	ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, 0);
339 	if (ret < 0)
340 		goto out;
341 
342 	ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT, 0);
343 	if (ret < 0)
344 		goto out;
345 
346 	phy_start(priv->phydev);
347 
348 	return 0;
349 
350 out:
351 	return ret;
352 }
353 
354 static int ax88772_hw_reset(struct usbnet *dev, int in_pm)
355 {
356 	struct asix_data *data = (struct asix_data *)&dev->data;
357 	int ret, embd_phy;
358 	u16 rx_ctl;
359 
360 	ret = asix_write_gpio(dev, AX_GPIO_RSE | AX_GPIO_GPO_2 |
361 			      AX_GPIO_GPO2EN, 5, in_pm);
362 	if (ret < 0)
363 		goto out;
364 
365 	embd_phy = ((dev->mii.phy_id & 0x1f) == 0x10 ? 1 : 0);
366 
367 	ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, embd_phy,
368 			     0, 0, NULL, in_pm);
369 	if (ret < 0) {
370 		netdev_dbg(dev->net, "Select PHY #1 failed: %d\n", ret);
371 		goto out;
372 	}
373 
374 	if (embd_phy) {
375 		ret = asix_sw_reset(dev, AX_SWRESET_IPPD, in_pm);
376 		if (ret < 0)
377 			goto out;
378 
379 		usleep_range(10000, 11000);
380 
381 		ret = asix_sw_reset(dev, AX_SWRESET_CLEAR, in_pm);
382 		if (ret < 0)
383 			goto out;
384 
385 		msleep(60);
386 
387 		ret = asix_sw_reset(dev, AX_SWRESET_IPRL | AX_SWRESET_PRL,
388 				    in_pm);
389 		if (ret < 0)
390 			goto out;
391 	} else {
392 		ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_PRL,
393 				    in_pm);
394 		if (ret < 0)
395 			goto out;
396 	}
397 
398 	msleep(150);
399 
400 	if (in_pm && (!asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
401 					   MII_PHYSID1))){
402 		ret = -EIO;
403 		goto out;
404 	}
405 
406 	ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm);
407 	if (ret < 0)
408 		goto out;
409 
410 	ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT, in_pm);
411 	if (ret < 0)
412 		goto out;
413 
414 	ret = asix_write_cmd(dev, AX_CMD_WRITE_IPG0,
415 			     AX88772_IPG0_DEFAULT | AX88772_IPG1_DEFAULT,
416 			     AX88772_IPG2_DEFAULT, 0, NULL, in_pm);
417 	if (ret < 0) {
418 		netdev_dbg(dev->net, "Write IPG,IPG1,IPG2 failed: %d\n", ret);
419 		goto out;
420 	}
421 
422 	/* Rewrite MAC address */
423 	ether_addr_copy(data->mac_addr, dev->net->dev_addr);
424 	ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0,
425 			     ETH_ALEN, data->mac_addr, in_pm);
426 	if (ret < 0)
427 		goto out;
428 
429 	/* Set RX_CTL to default values with 2k buffer, and enable cactus */
430 	ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm);
431 	if (ret < 0)
432 		goto out;
433 
434 	rx_ctl = asix_read_rx_ctl(dev, in_pm);
435 	netdev_dbg(dev->net, "RX_CTL is 0x%04x after all initializations\n",
436 		   rx_ctl);
437 
438 	rx_ctl = asix_read_medium_status(dev, in_pm);
439 	netdev_dbg(dev->net,
440 		   "Medium Status is 0x%04x after all initializations\n",
441 		   rx_ctl);
442 
443 	return 0;
444 
445 out:
446 	return ret;
447 }
448 
449 static int ax88772a_hw_reset(struct usbnet *dev, int in_pm)
450 {
451 	struct asix_data *data = (struct asix_data *)&dev->data;
452 	int ret, embd_phy;
453 	u16 rx_ctl, phy14h, phy15h, phy16h;
454 	u8 chipcode = 0;
455 
456 	ret = asix_write_gpio(dev, AX_GPIO_RSE, 5, in_pm);
457 	if (ret < 0)
458 		goto out;
459 
460 	embd_phy = ((dev->mii.phy_id & 0x1f) == 0x10 ? 1 : 0);
461 
462 	ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, embd_phy |
463 			     AX_PHYSEL_SSEN, 0, 0, NULL, in_pm);
464 	if (ret < 0) {
465 		netdev_dbg(dev->net, "Select PHY #1 failed: %d\n", ret);
466 		goto out;
467 	}
468 	usleep_range(10000, 11000);
469 
470 	ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_IPRL, in_pm);
471 	if (ret < 0)
472 		goto out;
473 
474 	usleep_range(10000, 11000);
475 
476 	ret = asix_sw_reset(dev, AX_SWRESET_IPRL, in_pm);
477 	if (ret < 0)
478 		goto out;
479 
480 	msleep(160);
481 
482 	ret = asix_sw_reset(dev, AX_SWRESET_CLEAR, in_pm);
483 	if (ret < 0)
484 		goto out;
485 
486 	ret = asix_sw_reset(dev, AX_SWRESET_IPRL, in_pm);
487 	if (ret < 0)
488 		goto out;
489 
490 	msleep(200);
491 
492 	if (in_pm && (!asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
493 					   MII_PHYSID1))) {
494 		ret = -1;
495 		goto out;
496 	}
497 
498 	ret = asix_read_cmd(dev, AX_CMD_STATMNGSTS_REG, 0,
499 			    0, 1, &chipcode, in_pm);
500 	if (ret < 0)
501 		goto out;
502 
503 	if ((chipcode & AX_CHIPCODE_MASK) == AX_AX88772B_CHIPCODE) {
504 		ret = asix_write_cmd(dev, AX_QCTCTRL, 0x8000, 0x8001,
505 				     0, NULL, in_pm);
506 		if (ret < 0) {
507 			netdev_dbg(dev->net, "Write BQ setting failed: %d\n",
508 				   ret);
509 			goto out;
510 		}
511 	} else if ((chipcode & AX_CHIPCODE_MASK) == AX_AX88772A_CHIPCODE) {
512 		/* Check if the PHY registers have default settings */
513 		phy14h = asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
514 					     AX88772A_PHY14H);
515 		phy15h = asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
516 					     AX88772A_PHY15H);
517 		phy16h = asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
518 					     AX88772A_PHY16H);
519 
520 		netdev_dbg(dev->net,
521 			   "772a_hw_reset: MR20=0x%x MR21=0x%x MR22=0x%x\n",
522 			   phy14h, phy15h, phy16h);
523 
524 		/* Restore PHY registers default setting if not */
525 		if (phy14h != AX88772A_PHY14H_DEFAULT)
526 			asix_mdio_write_nopm(dev->net, dev->mii.phy_id,
527 					     AX88772A_PHY14H,
528 					     AX88772A_PHY14H_DEFAULT);
529 		if (phy15h != AX88772A_PHY15H_DEFAULT)
530 			asix_mdio_write_nopm(dev->net, dev->mii.phy_id,
531 					     AX88772A_PHY15H,
532 					     AX88772A_PHY15H_DEFAULT);
533 		if (phy16h != AX88772A_PHY16H_DEFAULT)
534 			asix_mdio_write_nopm(dev->net, dev->mii.phy_id,
535 					     AX88772A_PHY16H,
536 					     AX88772A_PHY16H_DEFAULT);
537 	}
538 
539 	ret = asix_write_cmd(dev, AX_CMD_WRITE_IPG0,
540 				AX88772_IPG0_DEFAULT | AX88772_IPG1_DEFAULT,
541 				AX88772_IPG2_DEFAULT, 0, NULL, in_pm);
542 	if (ret < 0) {
543 		netdev_dbg(dev->net, "Write IPG,IPG1,IPG2 failed: %d\n", ret);
544 		goto out;
545 	}
546 
547 	/* Rewrite MAC address */
548 	memcpy(data->mac_addr, dev->net->dev_addr, ETH_ALEN);
549 	ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN,
550 							data->mac_addr, in_pm);
551 	if (ret < 0)
552 		goto out;
553 
554 	/* Set RX_CTL to default values with 2k buffer, and enable cactus */
555 	ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm);
556 	if (ret < 0)
557 		goto out;
558 
559 	ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT, in_pm);
560 	if (ret < 0)
561 		return ret;
562 
563 	/* Set RX_CTL to default values with 2k buffer, and enable cactus */
564 	ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm);
565 	if (ret < 0)
566 		goto out;
567 
568 	rx_ctl = asix_read_rx_ctl(dev, in_pm);
569 	netdev_dbg(dev->net, "RX_CTL is 0x%04x after all initializations\n",
570 		   rx_ctl);
571 
572 	rx_ctl = asix_read_medium_status(dev, in_pm);
573 	netdev_dbg(dev->net,
574 		   "Medium Status is 0x%04x after all initializations\n",
575 		   rx_ctl);
576 
577 	return 0;
578 
579 out:
580 	return ret;
581 }
582 
583 static const struct net_device_ops ax88772_netdev_ops = {
584 	.ndo_open		= usbnet_open,
585 	.ndo_stop		= usbnet_stop,
586 	.ndo_start_xmit		= usbnet_start_xmit,
587 	.ndo_tx_timeout		= usbnet_tx_timeout,
588 	.ndo_change_mtu		= usbnet_change_mtu,
589 	.ndo_get_stats64	= dev_get_tstats64,
590 	.ndo_set_mac_address 	= asix_set_mac_address,
591 	.ndo_validate_addr	= eth_validate_addr,
592 	.ndo_do_ioctl		= phy_do_ioctl_running,
593 	.ndo_set_rx_mode        = asix_set_multicast,
594 };
595 
596 static void ax88772_suspend(struct usbnet *dev)
597 {
598 	struct asix_common_private *priv = dev->driver_priv;
599 	u16 medium;
600 
601 	if (netif_running(dev->net))
602 		phy_stop(priv->phydev);
603 
604 	/* Stop MAC operation */
605 	medium = asix_read_medium_status(dev, 1);
606 	medium &= ~AX_MEDIUM_RE;
607 	asix_write_medium_mode(dev, medium, 1);
608 
609 	netdev_dbg(dev->net, "ax88772_suspend: medium=0x%04x\n",
610 		   asix_read_medium_status(dev, 1));
611 }
612 
613 static int asix_suspend(struct usb_interface *intf, pm_message_t message)
614 {
615 	struct usbnet *dev = usb_get_intfdata(intf);
616 	struct asix_common_private *priv = dev->driver_priv;
617 
618 	if (priv && priv->suspend)
619 		priv->suspend(dev);
620 
621 	return usbnet_suspend(intf, message);
622 }
623 
624 static void ax88772_resume(struct usbnet *dev)
625 {
626 	struct asix_common_private *priv = dev->driver_priv;
627 	int i;
628 
629 	for (i = 0; i < 3; i++)
630 		if (!ax88772_hw_reset(dev, 1))
631 			break;
632 
633 	if (netif_running(dev->net))
634 		phy_start(priv->phydev);
635 }
636 
637 static void ax88772a_resume(struct usbnet *dev)
638 {
639 	struct asix_common_private *priv = dev->driver_priv;
640 	int i;
641 
642 	for (i = 0; i < 3; i++) {
643 		if (!ax88772a_hw_reset(dev, 1))
644 			break;
645 	}
646 
647 	if (netif_running(dev->net))
648 		phy_start(priv->phydev);
649 }
650 
651 static int asix_resume(struct usb_interface *intf)
652 {
653 	struct usbnet *dev = usb_get_intfdata(intf);
654 	struct asix_common_private *priv = dev->driver_priv;
655 
656 	if (priv && priv->resume)
657 		priv->resume(dev);
658 
659 	return usbnet_resume(intf);
660 }
661 
662 static int ax88772_init_mdio(struct usbnet *dev)
663 {
664 	struct asix_common_private *priv = dev->driver_priv;
665 
666 	priv->mdio = devm_mdiobus_alloc(&dev->udev->dev);
667 	if (!priv->mdio)
668 		return -ENOMEM;
669 
670 	priv->mdio->priv = dev;
671 	priv->mdio->read = &asix_mdio_bus_read;
672 	priv->mdio->write = &asix_mdio_bus_write;
673 	priv->mdio->name = "Asix MDIO Bus";
674 	/* mii bus name is usb-<usb bus number>-<usb device number> */
675 	snprintf(priv->mdio->id, MII_BUS_ID_SIZE, "usb-%03d:%03d",
676 		 dev->udev->bus->busnum, dev->udev->devnum);
677 
678 	return devm_mdiobus_register(&dev->udev->dev, priv->mdio);
679 }
680 
681 static int ax88772_init_phy(struct usbnet *dev)
682 {
683 	struct asix_common_private *priv = dev->driver_priv;
684 	int ret;
685 
686 	ret = asix_read_phy_addr(dev, true);
687 	if (ret < 0)
688 		return ret;
689 
690 	priv->phy_addr = ret;
691 
692 	snprintf(priv->phy_name, sizeof(priv->phy_name), PHY_ID_FMT,
693 		 priv->mdio->id, priv->phy_addr);
694 
695 	priv->phydev = phy_connect(dev->net, priv->phy_name, &asix_adjust_link,
696 				   PHY_INTERFACE_MODE_INTERNAL);
697 	if (IS_ERR(priv->phydev)) {
698 		netdev_err(dev->net, "Could not connect to PHY device %s\n",
699 			   priv->phy_name);
700 		ret = PTR_ERR(priv->phydev);
701 		return ret;
702 	}
703 
704 	phy_suspend(priv->phydev);
705 	priv->phydev->mac_managed_pm = 1;
706 
707 	phy_attached_info(priv->phydev);
708 
709 	return 0;
710 }
711 
712 static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf)
713 {
714 	u8 buf[ETH_ALEN] = {0}, chipcode = 0;
715 	struct asix_common_private *priv;
716 	int ret, i;
717 	u32 phyid;
718 
719 	usbnet_get_endpoints(dev, intf);
720 
721 	/* Maybe the boot loader passed the MAC address via device tree */
722 	if (!eth_platform_get_mac_address(&dev->udev->dev, buf)) {
723 		netif_dbg(dev, ifup, dev->net,
724 			  "MAC address read from device tree");
725 	} else {
726 		/* Try getting the MAC address from EEPROM */
727 		if (dev->driver_info->data & FLAG_EEPROM_MAC) {
728 			for (i = 0; i < (ETH_ALEN >> 1); i++) {
729 				ret = asix_read_cmd(dev, AX_CMD_READ_EEPROM,
730 						    0x04 + i, 0, 2, buf + i * 2,
731 						    0);
732 				if (ret < 0)
733 					break;
734 			}
735 		} else {
736 			ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID,
737 					    0, 0, ETH_ALEN, buf, 0);
738 		}
739 
740 		if (ret < 0) {
741 			netdev_dbg(dev->net, "Failed to read MAC address: %d\n",
742 				   ret);
743 			return ret;
744 		}
745 	}
746 
747 	asix_set_netdev_dev_addr(dev, buf);
748 
749 	dev->net->netdev_ops = &ax88772_netdev_ops;
750 	dev->net->ethtool_ops = &ax88772_ethtool_ops;
751 	dev->net->needed_headroom = 4; /* cf asix_tx_fixup() */
752 	dev->net->needed_tailroom = 4; /* cf asix_tx_fixup() */
753 
754 	asix_read_cmd(dev, AX_CMD_STATMNGSTS_REG, 0, 0, 1, &chipcode, 0);
755 	chipcode &= AX_CHIPCODE_MASK;
756 
757 	ret = (chipcode == AX_AX88772_CHIPCODE) ? ax88772_hw_reset(dev, 0) :
758 						  ax88772a_hw_reset(dev, 0);
759 
760 	if (ret < 0) {
761 		netdev_dbg(dev->net, "Failed to reset AX88772: %d\n", ret);
762 		return ret;
763 	}
764 
765 	/* Read PHYID register *AFTER* the PHY was reset properly */
766 	phyid = asix_get_phyid(dev);
767 	netdev_dbg(dev->net, "PHYID=0x%08x\n", phyid);
768 
769 	/* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
770 	if (dev->driver_info->flags & FLAG_FRAMING_AX) {
771 		/* hard_mtu  is still the default - the device does not support
772 		   jumbo eth frames */
773 		dev->rx_urb_size = 2048;
774 	}
775 
776 	priv = devm_kzalloc(&dev->udev->dev, sizeof(*priv), GFP_KERNEL);
777 	if (!priv)
778 		return -ENOMEM;
779 
780 	dev->driver_priv = priv;
781 
782 	priv->presvd_phy_bmcr = 0;
783 	priv->presvd_phy_advertise = 0;
784 	if (chipcode == AX_AX88772_CHIPCODE) {
785 		priv->resume = ax88772_resume;
786 		priv->suspend = ax88772_suspend;
787 	} else {
788 		priv->resume = ax88772a_resume;
789 		priv->suspend = ax88772_suspend;
790 	}
791 
792 	ret = ax88772_init_mdio(dev);
793 	if (ret)
794 		return ret;
795 
796 	return ax88772_init_phy(dev);
797 }
798 
799 static int ax88772_stop(struct usbnet *dev)
800 {
801 	struct asix_common_private *priv = dev->driver_priv;
802 
803 	/* On unplugged USB, we will get MDIO communication errors and the
804 	 * PHY will be set in to PHY_HALTED state.
805 	 */
806 	if (priv->phydev->state != PHY_HALTED)
807 		phy_stop(priv->phydev);
808 
809 	return 0;
810 }
811 
812 static void ax88772_unbind(struct usbnet *dev, struct usb_interface *intf)
813 {
814 	struct asix_common_private *priv = dev->driver_priv;
815 
816 	phy_disconnect(priv->phydev);
817 	asix_rx_fixup_common_free(dev->driver_priv);
818 }
819 
820 static const struct ethtool_ops ax88178_ethtool_ops = {
821 	.get_drvinfo		= asix_get_drvinfo,
822 	.get_link		= asix_get_link,
823 	.get_msglevel		= usbnet_get_msglevel,
824 	.set_msglevel		= usbnet_set_msglevel,
825 	.get_wol		= asix_get_wol,
826 	.set_wol		= asix_set_wol,
827 	.get_eeprom_len		= asix_get_eeprom_len,
828 	.get_eeprom		= asix_get_eeprom,
829 	.set_eeprom		= asix_set_eeprom,
830 	.nway_reset		= usbnet_nway_reset,
831 	.get_link_ksettings	= usbnet_get_link_ksettings_mii,
832 	.set_link_ksettings	= usbnet_set_link_ksettings_mii,
833 };
834 
835 static int marvell_phy_init(struct usbnet *dev)
836 {
837 	struct asix_data *data = (struct asix_data *)&dev->data;
838 	u16 reg;
839 
840 	netdev_dbg(dev->net, "marvell_phy_init()\n");
841 
842 	reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_MARVELL_STATUS);
843 	netdev_dbg(dev->net, "MII_MARVELL_STATUS = 0x%04x\n", reg);
844 
845 	asix_mdio_write(dev->net, dev->mii.phy_id, MII_MARVELL_CTRL,
846 			MARVELL_CTRL_RXDELAY | MARVELL_CTRL_TXDELAY);
847 
848 	if (data->ledmode) {
849 		reg = asix_mdio_read(dev->net, dev->mii.phy_id,
850 			MII_MARVELL_LED_CTRL);
851 		netdev_dbg(dev->net, "MII_MARVELL_LED_CTRL (1) = 0x%04x\n", reg);
852 
853 		reg &= 0xf8ff;
854 		reg |= (1 + 0x0100);
855 		asix_mdio_write(dev->net, dev->mii.phy_id,
856 			MII_MARVELL_LED_CTRL, reg);
857 
858 		reg = asix_mdio_read(dev->net, dev->mii.phy_id,
859 			MII_MARVELL_LED_CTRL);
860 		netdev_dbg(dev->net, "MII_MARVELL_LED_CTRL (2) = 0x%04x\n", reg);
861 		reg &= 0xfc0f;
862 	}
863 
864 	return 0;
865 }
866 
867 static int rtl8211cl_phy_init(struct usbnet *dev)
868 {
869 	struct asix_data *data = (struct asix_data *)&dev->data;
870 
871 	netdev_dbg(dev->net, "rtl8211cl_phy_init()\n");
872 
873 	asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0x0005);
874 	asix_mdio_write (dev->net, dev->mii.phy_id, 0x0c, 0);
875 	asix_mdio_write (dev->net, dev->mii.phy_id, 0x01,
876 		asix_mdio_read (dev->net, dev->mii.phy_id, 0x01) | 0x0080);
877 	asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0);
878 
879 	if (data->ledmode == 12) {
880 		asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0x0002);
881 		asix_mdio_write (dev->net, dev->mii.phy_id, 0x1a, 0x00cb);
882 		asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0);
883 	}
884 
885 	return 0;
886 }
887 
888 static int marvell_led_status(struct usbnet *dev, u16 speed)
889 {
890 	u16 reg = asix_mdio_read(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL);
891 
892 	netdev_dbg(dev->net, "marvell_led_status() read 0x%04x\n", reg);
893 
894 	/* Clear out the center LED bits - 0x03F0 */
895 	reg &= 0xfc0f;
896 
897 	switch (speed) {
898 		case SPEED_1000:
899 			reg |= 0x03e0;
900 			break;
901 		case SPEED_100:
902 			reg |= 0x03b0;
903 			break;
904 		default:
905 			reg |= 0x02f0;
906 	}
907 
908 	netdev_dbg(dev->net, "marvell_led_status() writing 0x%04x\n", reg);
909 	asix_mdio_write(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL, reg);
910 
911 	return 0;
912 }
913 
914 static int ax88178_reset(struct usbnet *dev)
915 {
916 	struct asix_data *data = (struct asix_data *)&dev->data;
917 	int ret;
918 	__le16 eeprom;
919 	u8 status;
920 	int gpio0 = 0;
921 	u32 phyid;
922 
923 	asix_read_cmd(dev, AX_CMD_READ_GPIOS, 0, 0, 1, &status, 0);
924 	netdev_dbg(dev->net, "GPIO Status: 0x%04x\n", status);
925 
926 	asix_write_cmd(dev, AX_CMD_WRITE_ENABLE, 0, 0, 0, NULL, 0);
927 	asix_read_cmd(dev, AX_CMD_READ_EEPROM, 0x0017, 0, 2, &eeprom, 0);
928 	asix_write_cmd(dev, AX_CMD_WRITE_DISABLE, 0, 0, 0, NULL, 0);
929 
930 	netdev_dbg(dev->net, "EEPROM index 0x17 is 0x%04x\n", eeprom);
931 
932 	if (eeprom == cpu_to_le16(0xffff)) {
933 		data->phymode = PHY_MODE_MARVELL;
934 		data->ledmode = 0;
935 		gpio0 = 1;
936 	} else {
937 		data->phymode = le16_to_cpu(eeprom) & 0x7F;
938 		data->ledmode = le16_to_cpu(eeprom) >> 8;
939 		gpio0 = (le16_to_cpu(eeprom) & 0x80) ? 0 : 1;
940 	}
941 	netdev_dbg(dev->net, "GPIO0: %d, PhyMode: %d\n", gpio0, data->phymode);
942 
943 	/* Power up external GigaPHY through AX88178 GPIO pin */
944 	asix_write_gpio(dev, AX_GPIO_RSE | AX_GPIO_GPO_1 |
945 			AX_GPIO_GPO1EN, 40, 0);
946 	if ((le16_to_cpu(eeprom) >> 8) != 1) {
947 		asix_write_gpio(dev, 0x003c, 30, 0);
948 		asix_write_gpio(dev, 0x001c, 300, 0);
949 		asix_write_gpio(dev, 0x003c, 30, 0);
950 	} else {
951 		netdev_dbg(dev->net, "gpio phymode == 1 path\n");
952 		asix_write_gpio(dev, AX_GPIO_GPO1EN, 30, 0);
953 		asix_write_gpio(dev, AX_GPIO_GPO1EN | AX_GPIO_GPO_1, 30, 0);
954 	}
955 
956 	/* Read PHYID register *AFTER* powering up PHY */
957 	phyid = asix_get_phyid(dev);
958 	netdev_dbg(dev->net, "PHYID=0x%08x\n", phyid);
959 
960 	/* Set AX88178 to enable MII/GMII/RGMII interface for external PHY */
961 	asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, 0, 0, 0, NULL, 0);
962 
963 	asix_sw_reset(dev, 0, 0);
964 	msleep(150);
965 
966 	asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD, 0);
967 	msleep(150);
968 
969 	asix_write_rx_ctl(dev, 0, 0);
970 
971 	if (data->phymode == PHY_MODE_MARVELL) {
972 		marvell_phy_init(dev);
973 		msleep(60);
974 	} else if (data->phymode == PHY_MODE_RTL8211CL)
975 		rtl8211cl_phy_init(dev);
976 
977 	asix_phy_reset(dev, BMCR_RESET | BMCR_ANENABLE);
978 	asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
979 			ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
980 	asix_mdio_write(dev->net, dev->mii.phy_id, MII_CTRL1000,
981 			ADVERTISE_1000FULL);
982 
983 	asix_write_medium_mode(dev, AX88178_MEDIUM_DEFAULT, 0);
984 	mii_nway_restart(&dev->mii);
985 
986 	/* Rewrite MAC address */
987 	memcpy(data->mac_addr, dev->net->dev_addr, ETH_ALEN);
988 	ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN,
989 							data->mac_addr, 0);
990 	if (ret < 0)
991 		return ret;
992 
993 	ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, 0);
994 	if (ret < 0)
995 		return ret;
996 
997 	return 0;
998 }
999 
1000 static int ax88178_link_reset(struct usbnet *dev)
1001 {
1002 	u16 mode;
1003 	struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
1004 	struct asix_data *data = (struct asix_data *)&dev->data;
1005 	u32 speed;
1006 
1007 	netdev_dbg(dev->net, "ax88178_link_reset()\n");
1008 
1009 	mii_check_media(&dev->mii, 1, 1);
1010 	mii_ethtool_gset(&dev->mii, &ecmd);
1011 	mode = AX88178_MEDIUM_DEFAULT;
1012 	speed = ethtool_cmd_speed(&ecmd);
1013 
1014 	if (speed == SPEED_1000)
1015 		mode |= AX_MEDIUM_GM;
1016 	else if (speed == SPEED_100)
1017 		mode |= AX_MEDIUM_PS;
1018 	else
1019 		mode &= ~(AX_MEDIUM_PS | AX_MEDIUM_GM);
1020 
1021 	mode |= AX_MEDIUM_ENCK;
1022 
1023 	if (ecmd.duplex == DUPLEX_FULL)
1024 		mode |= AX_MEDIUM_FD;
1025 	else
1026 		mode &= ~AX_MEDIUM_FD;
1027 
1028 	netdev_dbg(dev->net, "ax88178_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
1029 		   speed, ecmd.duplex, mode);
1030 
1031 	asix_write_medium_mode(dev, mode, 0);
1032 
1033 	if (data->phymode == PHY_MODE_MARVELL && data->ledmode)
1034 		marvell_led_status(dev, speed);
1035 
1036 	return 0;
1037 }
1038 
1039 static void ax88178_set_mfb(struct usbnet *dev)
1040 {
1041 	u16 mfb = AX_RX_CTL_MFB_16384;
1042 	u16 rxctl;
1043 	u16 medium;
1044 	int old_rx_urb_size = dev->rx_urb_size;
1045 
1046 	if (dev->hard_mtu < 2048) {
1047 		dev->rx_urb_size = 2048;
1048 		mfb = AX_RX_CTL_MFB_2048;
1049 	} else if (dev->hard_mtu < 4096) {
1050 		dev->rx_urb_size = 4096;
1051 		mfb = AX_RX_CTL_MFB_4096;
1052 	} else if (dev->hard_mtu < 8192) {
1053 		dev->rx_urb_size = 8192;
1054 		mfb = AX_RX_CTL_MFB_8192;
1055 	} else if (dev->hard_mtu < 16384) {
1056 		dev->rx_urb_size = 16384;
1057 		mfb = AX_RX_CTL_MFB_16384;
1058 	}
1059 
1060 	rxctl = asix_read_rx_ctl(dev, 0);
1061 	asix_write_rx_ctl(dev, (rxctl & ~AX_RX_CTL_MFB_16384) | mfb, 0);
1062 
1063 	medium = asix_read_medium_status(dev, 0);
1064 	if (dev->net->mtu > 1500)
1065 		medium |= AX_MEDIUM_JFE;
1066 	else
1067 		medium &= ~AX_MEDIUM_JFE;
1068 	asix_write_medium_mode(dev, medium, 0);
1069 
1070 	if (dev->rx_urb_size > old_rx_urb_size)
1071 		usbnet_unlink_rx_urbs(dev);
1072 }
1073 
1074 static int ax88178_change_mtu(struct net_device *net, int new_mtu)
1075 {
1076 	struct usbnet *dev = netdev_priv(net);
1077 	int ll_mtu = new_mtu + net->hard_header_len + 4;
1078 
1079 	netdev_dbg(dev->net, "ax88178_change_mtu() new_mtu=%d\n", new_mtu);
1080 
1081 	if ((ll_mtu % dev->maxpacket) == 0)
1082 		return -EDOM;
1083 
1084 	net->mtu = new_mtu;
1085 	dev->hard_mtu = net->mtu + net->hard_header_len;
1086 	ax88178_set_mfb(dev);
1087 
1088 	/* max qlen depend on hard_mtu and rx_urb_size */
1089 	usbnet_update_max_qlen(dev);
1090 
1091 	return 0;
1092 }
1093 
1094 static const struct net_device_ops ax88178_netdev_ops = {
1095 	.ndo_open		= usbnet_open,
1096 	.ndo_stop		= usbnet_stop,
1097 	.ndo_start_xmit		= usbnet_start_xmit,
1098 	.ndo_tx_timeout		= usbnet_tx_timeout,
1099 	.ndo_get_stats64	= dev_get_tstats64,
1100 	.ndo_set_mac_address 	= asix_set_mac_address,
1101 	.ndo_validate_addr	= eth_validate_addr,
1102 	.ndo_set_rx_mode	= asix_set_multicast,
1103 	.ndo_do_ioctl 		= asix_ioctl,
1104 	.ndo_change_mtu 	= ax88178_change_mtu,
1105 };
1106 
1107 static int ax88178_bind(struct usbnet *dev, struct usb_interface *intf)
1108 {
1109 	int ret;
1110 	u8 buf[ETH_ALEN] = {0};
1111 
1112 	usbnet_get_endpoints(dev,intf);
1113 
1114 	/* Get the MAC address */
1115 	ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf, 0);
1116 	if (ret < 0) {
1117 		netdev_dbg(dev->net, "Failed to read MAC address: %d\n", ret);
1118 		return ret;
1119 	}
1120 
1121 	asix_set_netdev_dev_addr(dev, buf);
1122 
1123 	/* Initialize MII structure */
1124 	dev->mii.dev = dev->net;
1125 	dev->mii.mdio_read = asix_mdio_read;
1126 	dev->mii.mdio_write = asix_mdio_write;
1127 	dev->mii.phy_id_mask = 0x1f;
1128 	dev->mii.reg_num_mask = 0xff;
1129 	dev->mii.supports_gmii = 1;
1130 
1131 	dev->mii.phy_id = asix_read_phy_addr(dev, true);
1132 	if (dev->mii.phy_id < 0)
1133 		return dev->mii.phy_id;
1134 
1135 	dev->net->netdev_ops = &ax88178_netdev_ops;
1136 	dev->net->ethtool_ops = &ax88178_ethtool_ops;
1137 	dev->net->max_mtu = 16384 - (dev->net->hard_header_len + 4);
1138 
1139 	/* Blink LEDS so users know driver saw dongle */
1140 	asix_sw_reset(dev, 0, 0);
1141 	msleep(150);
1142 
1143 	asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD, 0);
1144 	msleep(150);
1145 
1146 	/* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
1147 	if (dev->driver_info->flags & FLAG_FRAMING_AX) {
1148 		/* hard_mtu  is still the default - the device does not support
1149 		   jumbo eth frames */
1150 		dev->rx_urb_size = 2048;
1151 	}
1152 
1153 	dev->driver_priv = kzalloc(sizeof(struct asix_common_private), GFP_KERNEL);
1154 	if (!dev->driver_priv)
1155 			return -ENOMEM;
1156 
1157 	return 0;
1158 }
1159 
1160 static const struct driver_info ax8817x_info = {
1161 	.description = "ASIX AX8817x USB 2.0 Ethernet",
1162 	.bind = ax88172_bind,
1163 	.status = asix_status,
1164 	.link_reset = ax88172_link_reset,
1165 	.reset = ax88172_link_reset,
1166 	.flags =  FLAG_ETHER | FLAG_LINK_INTR,
1167 	.data = 0x00130103,
1168 };
1169 
1170 static const struct driver_info dlink_dub_e100_info = {
1171 	.description = "DLink DUB-E100 USB Ethernet",
1172 	.bind = ax88172_bind,
1173 	.status = asix_status,
1174 	.link_reset = ax88172_link_reset,
1175 	.reset = ax88172_link_reset,
1176 	.flags =  FLAG_ETHER | FLAG_LINK_INTR,
1177 	.data = 0x009f9d9f,
1178 };
1179 
1180 static const struct driver_info netgear_fa120_info = {
1181 	.description = "Netgear FA-120 USB Ethernet",
1182 	.bind = ax88172_bind,
1183 	.status = asix_status,
1184 	.link_reset = ax88172_link_reset,
1185 	.reset = ax88172_link_reset,
1186 	.flags =  FLAG_ETHER | FLAG_LINK_INTR,
1187 	.data = 0x00130103,
1188 };
1189 
1190 static const struct driver_info hawking_uf200_info = {
1191 	.description = "Hawking UF200 USB Ethernet",
1192 	.bind = ax88172_bind,
1193 	.status = asix_status,
1194 	.link_reset = ax88172_link_reset,
1195 	.reset = ax88172_link_reset,
1196 	.flags =  FLAG_ETHER | FLAG_LINK_INTR,
1197 	.data = 0x001f1d1f,
1198 };
1199 
1200 static const struct driver_info ax88772_info = {
1201 	.description = "ASIX AX88772 USB 2.0 Ethernet",
1202 	.bind = ax88772_bind,
1203 	.unbind = ax88772_unbind,
1204 	.status = asix_status,
1205 	.reset = ax88772_reset,
1206 	.stop = ax88772_stop,
1207 	.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR | FLAG_MULTI_PACKET,
1208 	.rx_fixup = asix_rx_fixup_common,
1209 	.tx_fixup = asix_tx_fixup,
1210 };
1211 
1212 static const struct driver_info ax88772b_info = {
1213 	.description = "ASIX AX88772B USB 2.0 Ethernet",
1214 	.bind = ax88772_bind,
1215 	.unbind = ax88772_unbind,
1216 	.status = asix_status,
1217 	.reset = ax88772_reset,
1218 	.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR |
1219 	         FLAG_MULTI_PACKET,
1220 	.rx_fixup = asix_rx_fixup_common,
1221 	.tx_fixup = asix_tx_fixup,
1222 	.data = FLAG_EEPROM_MAC,
1223 };
1224 
1225 static const struct driver_info ax88178_info = {
1226 	.description = "ASIX AX88178 USB 2.0 Ethernet",
1227 	.bind = ax88178_bind,
1228 	.unbind = ax88772_unbind,
1229 	.status = asix_status,
1230 	.link_reset = ax88178_link_reset,
1231 	.reset = ax88178_reset,
1232 	.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR |
1233 		 FLAG_MULTI_PACKET,
1234 	.rx_fixup = asix_rx_fixup_common,
1235 	.tx_fixup = asix_tx_fixup,
1236 };
1237 
1238 /*
1239  * USBLINK 20F9 "USB 2.0 LAN" USB ethernet adapter, typically found in
1240  * no-name packaging.
1241  * USB device strings are:
1242  *   1: Manufacturer: USBLINK
1243  *   2: Product: HG20F9 USB2.0
1244  *   3: Serial: 000003
1245  * Appears to be compatible with Asix 88772B.
1246  */
1247 static const struct driver_info hg20f9_info = {
1248 	.description = "HG20F9 USB 2.0 Ethernet",
1249 	.bind = ax88772_bind,
1250 	.unbind = ax88772_unbind,
1251 	.status = asix_status,
1252 	.reset = ax88772_reset,
1253 	.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR |
1254 	         FLAG_MULTI_PACKET,
1255 	.rx_fixup = asix_rx_fixup_common,
1256 	.tx_fixup = asix_tx_fixup,
1257 	.data = FLAG_EEPROM_MAC,
1258 };
1259 
1260 static const struct usb_device_id	products [] = {
1261 {
1262 	// Linksys USB200M
1263 	USB_DEVICE (0x077b, 0x2226),
1264 	.driver_info =	(unsigned long) &ax8817x_info,
1265 }, {
1266 	// Netgear FA120
1267 	USB_DEVICE (0x0846, 0x1040),
1268 	.driver_info =  (unsigned long) &netgear_fa120_info,
1269 }, {
1270 	// DLink DUB-E100
1271 	USB_DEVICE (0x2001, 0x1a00),
1272 	.driver_info =  (unsigned long) &dlink_dub_e100_info,
1273 }, {
1274 	// Intellinet, ST Lab USB Ethernet
1275 	USB_DEVICE (0x0b95, 0x1720),
1276 	.driver_info =  (unsigned long) &ax8817x_info,
1277 }, {
1278 	// Hawking UF200, TrendNet TU2-ET100
1279 	USB_DEVICE (0x07b8, 0x420a),
1280 	.driver_info =  (unsigned long) &hawking_uf200_info,
1281 }, {
1282 	// Billionton Systems, USB2AR
1283 	USB_DEVICE (0x08dd, 0x90ff),
1284 	.driver_info =  (unsigned long) &ax8817x_info,
1285 }, {
1286 	// Billionton Systems, GUSB2AM-1G-B
1287 	USB_DEVICE(0x08dd, 0x0114),
1288 	.driver_info =  (unsigned long) &ax88178_info,
1289 }, {
1290 	// ATEN UC210T
1291 	USB_DEVICE (0x0557, 0x2009),
1292 	.driver_info =  (unsigned long) &ax8817x_info,
1293 }, {
1294 	// Buffalo LUA-U2-KTX
1295 	USB_DEVICE (0x0411, 0x003d),
1296 	.driver_info =  (unsigned long) &ax8817x_info,
1297 }, {
1298 	// Buffalo LUA-U2-GT 10/100/1000
1299 	USB_DEVICE (0x0411, 0x006e),
1300 	.driver_info =  (unsigned long) &ax88178_info,
1301 }, {
1302 	// Sitecom LN-029 "USB 2.0 10/100 Ethernet adapter"
1303 	USB_DEVICE (0x6189, 0x182d),
1304 	.driver_info =  (unsigned long) &ax8817x_info,
1305 }, {
1306 	// Sitecom LN-031 "USB 2.0 10/100/1000 Ethernet adapter"
1307 	USB_DEVICE (0x0df6, 0x0056),
1308 	.driver_info =  (unsigned long) &ax88178_info,
1309 }, {
1310 	// Sitecom LN-028 "USB 2.0 10/100/1000 Ethernet adapter"
1311 	USB_DEVICE (0x0df6, 0x061c),
1312 	.driver_info =  (unsigned long) &ax88178_info,
1313 }, {
1314 	// corega FEther USB2-TX
1315 	USB_DEVICE (0x07aa, 0x0017),
1316 	.driver_info =  (unsigned long) &ax8817x_info,
1317 }, {
1318 	// Surecom EP-1427X-2
1319 	USB_DEVICE (0x1189, 0x0893),
1320 	.driver_info = (unsigned long) &ax8817x_info,
1321 }, {
1322 	// goodway corp usb gwusb2e
1323 	USB_DEVICE (0x1631, 0x6200),
1324 	.driver_info = (unsigned long) &ax8817x_info,
1325 }, {
1326 	// JVC MP-PRX1 Port Replicator
1327 	USB_DEVICE (0x04f1, 0x3008),
1328 	.driver_info = (unsigned long) &ax8817x_info,
1329 }, {
1330 	// Lenovo U2L100P 10/100
1331 	USB_DEVICE (0x17ef, 0x7203),
1332 	.driver_info = (unsigned long)&ax88772b_info,
1333 }, {
1334 	// ASIX AX88772B 10/100
1335 	USB_DEVICE (0x0b95, 0x772b),
1336 	.driver_info = (unsigned long) &ax88772b_info,
1337 }, {
1338 	// ASIX AX88772 10/100
1339 	USB_DEVICE (0x0b95, 0x7720),
1340 	.driver_info = (unsigned long) &ax88772_info,
1341 }, {
1342 	// ASIX AX88178 10/100/1000
1343 	USB_DEVICE (0x0b95, 0x1780),
1344 	.driver_info = (unsigned long) &ax88178_info,
1345 }, {
1346 	// Logitec LAN-GTJ/U2A
1347 	USB_DEVICE (0x0789, 0x0160),
1348 	.driver_info = (unsigned long) &ax88178_info,
1349 }, {
1350 	// Linksys USB200M Rev 2
1351 	USB_DEVICE (0x13b1, 0x0018),
1352 	.driver_info = (unsigned long) &ax88772_info,
1353 }, {
1354 	// 0Q0 cable ethernet
1355 	USB_DEVICE (0x1557, 0x7720),
1356 	.driver_info = (unsigned long) &ax88772_info,
1357 }, {
1358 	// DLink DUB-E100 H/W Ver B1
1359 	USB_DEVICE (0x07d1, 0x3c05),
1360 	.driver_info = (unsigned long) &ax88772_info,
1361 }, {
1362 	// DLink DUB-E100 H/W Ver B1 Alternate
1363 	USB_DEVICE (0x2001, 0x3c05),
1364 	.driver_info = (unsigned long) &ax88772_info,
1365 }, {
1366        // DLink DUB-E100 H/W Ver C1
1367        USB_DEVICE (0x2001, 0x1a02),
1368        .driver_info = (unsigned long) &ax88772_info,
1369 }, {
1370 	// Linksys USB1000
1371 	USB_DEVICE (0x1737, 0x0039),
1372 	.driver_info = (unsigned long) &ax88178_info,
1373 }, {
1374 	// IO-DATA ETG-US2
1375 	USB_DEVICE (0x04bb, 0x0930),
1376 	.driver_info = (unsigned long) &ax88178_info,
1377 }, {
1378 	// Belkin F5D5055
1379 	USB_DEVICE(0x050d, 0x5055),
1380 	.driver_info = (unsigned long) &ax88178_info,
1381 }, {
1382 	// Apple USB Ethernet Adapter
1383 	USB_DEVICE(0x05ac, 0x1402),
1384 	.driver_info = (unsigned long) &ax88772_info,
1385 }, {
1386 	// Cables-to-Go USB Ethernet Adapter
1387 	USB_DEVICE(0x0b95, 0x772a),
1388 	.driver_info = (unsigned long) &ax88772_info,
1389 }, {
1390 	// ABOCOM for pci
1391 	USB_DEVICE(0x14ea, 0xab11),
1392 	.driver_info = (unsigned long) &ax88178_info,
1393 }, {
1394 	// ASIX 88772a
1395 	USB_DEVICE(0x0db0, 0xa877),
1396 	.driver_info = (unsigned long) &ax88772_info,
1397 }, {
1398 	// Asus USB Ethernet Adapter
1399 	USB_DEVICE (0x0b95, 0x7e2b),
1400 	.driver_info = (unsigned long)&ax88772b_info,
1401 }, {
1402 	/* ASIX 88172a demo board */
1403 	USB_DEVICE(0x0b95, 0x172a),
1404 	.driver_info = (unsigned long) &ax88172a_info,
1405 }, {
1406 	/*
1407 	 * USBLINK HG20F9 "USB 2.0 LAN"
1408 	 * Appears to have gazumped Linksys's manufacturer ID but
1409 	 * doesn't (yet) conflict with any known Linksys product.
1410 	 */
1411 	USB_DEVICE(0x066b, 0x20f9),
1412 	.driver_info = (unsigned long) &hg20f9_info,
1413 },
1414 	{ },		// END
1415 };
1416 MODULE_DEVICE_TABLE(usb, products);
1417 
1418 static struct usb_driver asix_driver = {
1419 	.name =		DRIVER_NAME,
1420 	.id_table =	products,
1421 	.probe =	usbnet_probe,
1422 	.suspend =	asix_suspend,
1423 	.resume =	asix_resume,
1424 	.reset_resume =	asix_resume,
1425 	.disconnect =	usbnet_disconnect,
1426 	.supports_autosuspend = 1,
1427 	.disable_hub_initiated_lpm = 1,
1428 };
1429 
1430 module_usb_driver(asix_driver);
1431 
1432 MODULE_AUTHOR("David Hollis");
1433 MODULE_VERSION(DRIVER_VERSION);
1434 MODULE_DESCRIPTION("ASIX AX8817X based USB 2.0 Ethernet Devices");
1435 MODULE_LICENSE("GPL");
1436 
1437