]> git.kernelconcepts.de Git - karo-tx-linux.git/blob - drivers/net/usb/asix_devices.c
Merge tag 'v3.8-rc4' into irq/core
[karo-tx-linux.git] / drivers / net / usb / asix_devices.c
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, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
21  */
22
23 #include "asix.h"
24
25 #define PHY_MODE_MARVELL        0x0000
26 #define MII_MARVELL_LED_CTRL    0x0018
27 #define MII_MARVELL_STATUS      0x001b
28 #define MII_MARVELL_CTRL        0x0014
29
30 #define MARVELL_LED_MANUAL      0x0019
31
32 #define MARVELL_STATUS_HWCFG    0x0004
33
34 #define MARVELL_CTRL_TXDELAY    0x0002
35 #define MARVELL_CTRL_RXDELAY    0x0080
36
37 #define PHY_MODE_RTL8211CL      0x000C
38
39 struct ax88172_int_data {
40         __le16 res1;
41         u8 link;
42         __le16 res2;
43         u8 status;
44         __le16 res3;
45 } __packed;
46
47 static void asix_status(struct usbnet *dev, struct urb *urb)
48 {
49         struct ax88172_int_data *event;
50         int link;
51
52         if (urb->actual_length < 8)
53                 return;
54
55         event = urb->transfer_buffer;
56         link = event->link & 0x01;
57         if (netif_carrier_ok(dev->net) != link) {
58                 if (link) {
59                         netif_carrier_on(dev->net);
60                         usbnet_defer_kevent (dev, EVENT_LINK_RESET );
61                 } else
62                         netif_carrier_off(dev->net);
63                 netdev_dbg(dev->net, "Link Status is: %d\n", link);
64         }
65 }
66
67 static void asix_set_netdev_dev_addr(struct usbnet *dev, u8 *addr)
68 {
69         if (is_valid_ether_addr(addr)) {
70                 memcpy(dev->net->dev_addr, addr, ETH_ALEN);
71         } else {
72                 netdev_info(dev->net, "invalid hw address, using random\n");
73                 eth_hw_addr_random(dev->net);
74         }
75 }
76
77 /* Get the PHY Identifier from the PHYSID1 & PHYSID2 MII registers */
78 static u32 asix_get_phyid(struct usbnet *dev)
79 {
80         int phy_reg;
81         u32 phy_id;
82         int i;
83
84         /* Poll for the rare case the FW or phy isn't ready yet.  */
85         for (i = 0; i < 100; i++) {
86                 phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID1);
87                 if (phy_reg != 0 && phy_reg != 0xFFFF)
88                         break;
89                 mdelay(1);
90         }
91
92         if (phy_reg <= 0 || phy_reg == 0xFFFF)
93                 return 0;
94
95         phy_id = (phy_reg & 0xffff) << 16;
96
97         phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID2);
98         if (phy_reg < 0)
99                 return 0;
100
101         phy_id |= (phy_reg & 0xffff);
102
103         return phy_id;
104 }
105
106 static u32 asix_get_link(struct net_device *net)
107 {
108         struct usbnet *dev = netdev_priv(net);
109
110         return mii_link_ok(&dev->mii);
111 }
112
113 static int asix_ioctl (struct net_device *net, struct ifreq *rq, int cmd)
114 {
115         struct usbnet *dev = netdev_priv(net);
116
117         return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
118 }
119
120 /* We need to override some ethtool_ops so we require our
121    own structure so we don't interfere with other usbnet
122    devices that may be connected at the same time. */
123 static const struct ethtool_ops ax88172_ethtool_ops = {
124         .get_drvinfo            = asix_get_drvinfo,
125         .get_link               = asix_get_link,
126         .get_msglevel           = usbnet_get_msglevel,
127         .set_msglevel           = usbnet_set_msglevel,
128         .get_wol                = asix_get_wol,
129         .set_wol                = asix_set_wol,
130         .get_eeprom_len         = asix_get_eeprom_len,
131         .get_eeprom             = asix_get_eeprom,
132         .set_eeprom             = asix_set_eeprom,
133         .get_settings           = usbnet_get_settings,
134         .set_settings           = usbnet_set_settings,
135         .nway_reset             = usbnet_nway_reset,
136 };
137
138 static void ax88172_set_multicast(struct net_device *net)
139 {
140         struct usbnet *dev = netdev_priv(net);
141         struct asix_data *data = (struct asix_data *)&dev->data;
142         u8 rx_ctl = 0x8c;
143
144         if (net->flags & IFF_PROMISC) {
145                 rx_ctl |= 0x01;
146         } else if (net->flags & IFF_ALLMULTI ||
147                    netdev_mc_count(net) > AX_MAX_MCAST) {
148                 rx_ctl |= 0x02;
149         } else if (netdev_mc_empty(net)) {
150                 /* just broadcast and directed */
151         } else {
152                 /* We use the 20 byte dev->data
153                  * for our 8 byte filter buffer
154                  * to avoid allocating memory that
155                  * is tricky to free later */
156                 struct netdev_hw_addr *ha;
157                 u32 crc_bits;
158
159                 memset(data->multi_filter, 0, AX_MCAST_FILTER_SIZE);
160
161                 /* Build the multicast hash filter. */
162                 netdev_for_each_mc_addr(ha, net) {
163                         crc_bits = ether_crc(ETH_ALEN, ha->addr) >> 26;
164                         data->multi_filter[crc_bits >> 3] |=
165                             1 << (crc_bits & 7);
166                 }
167
168                 asix_write_cmd_async(dev, AX_CMD_WRITE_MULTI_FILTER, 0, 0,
169                                    AX_MCAST_FILTER_SIZE, data->multi_filter);
170
171                 rx_ctl |= 0x10;
172         }
173
174         asix_write_cmd_async(dev, AX_CMD_WRITE_RX_CTL, rx_ctl, 0, 0, NULL);
175 }
176
177 static int ax88172_link_reset(struct usbnet *dev)
178 {
179         u8 mode;
180         struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
181
182         mii_check_media(&dev->mii, 1, 1);
183         mii_ethtool_gset(&dev->mii, &ecmd);
184         mode = AX88172_MEDIUM_DEFAULT;
185
186         if (ecmd.duplex != DUPLEX_FULL)
187                 mode |= ~AX88172_MEDIUM_FD;
188
189         netdev_dbg(dev->net, "ax88172_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
190                    ethtool_cmd_speed(&ecmd), ecmd.duplex, mode);
191
192         asix_write_medium_mode(dev, mode);
193
194         return 0;
195 }
196
197 static const struct net_device_ops ax88172_netdev_ops = {
198         .ndo_open               = usbnet_open,
199         .ndo_stop               = usbnet_stop,
200         .ndo_start_xmit         = usbnet_start_xmit,
201         .ndo_tx_timeout         = usbnet_tx_timeout,
202         .ndo_change_mtu         = usbnet_change_mtu,
203         .ndo_set_mac_address    = eth_mac_addr,
204         .ndo_validate_addr      = eth_validate_addr,
205         .ndo_do_ioctl           = asix_ioctl,
206         .ndo_set_rx_mode        = ax88172_set_multicast,
207 };
208
209 static int ax88172_bind(struct usbnet *dev, struct usb_interface *intf)
210 {
211         int ret = 0;
212         u8 buf[ETH_ALEN];
213         int i;
214         unsigned long gpio_bits = dev->driver_info->data;
215
216         usbnet_get_endpoints(dev,intf);
217
218         /* Toggle the GPIOs in a manufacturer/model specific way */
219         for (i = 2; i >= 0; i--) {
220                 ret = asix_write_cmd(dev, AX_CMD_WRITE_GPIOS,
221                                 (gpio_bits >> (i * 8)) & 0xff, 0, 0, NULL);
222                 if (ret < 0)
223                         goto out;
224                 msleep(5);
225         }
226
227         ret = asix_write_rx_ctl(dev, 0x80);
228         if (ret < 0)
229                 goto out;
230
231         /* Get the MAC address */
232         ret = asix_read_cmd(dev, AX88172_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf);
233         if (ret < 0) {
234                 netdev_dbg(dev->net, "read AX_CMD_READ_NODE_ID failed: %d\n",
235                            ret);
236                 goto out;
237         }
238
239         asix_set_netdev_dev_addr(dev, buf);
240
241         /* Initialize MII structure */
242         dev->mii.dev = dev->net;
243         dev->mii.mdio_read = asix_mdio_read;
244         dev->mii.mdio_write = asix_mdio_write;
245         dev->mii.phy_id_mask = 0x3f;
246         dev->mii.reg_num_mask = 0x1f;
247         dev->mii.phy_id = asix_get_phy_addr(dev);
248
249         dev->net->netdev_ops = &ax88172_netdev_ops;
250         dev->net->ethtool_ops = &ax88172_ethtool_ops;
251         dev->net->needed_headroom = 4; /* cf asix_tx_fixup() */
252         dev->net->needed_tailroom = 4; /* cf asix_tx_fixup() */
253
254         asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET);
255         asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
256                 ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
257         mii_nway_restart(&dev->mii);
258
259         return 0;
260
261 out:
262         return ret;
263 }
264
265 static const struct ethtool_ops ax88772_ethtool_ops = {
266         .get_drvinfo            = asix_get_drvinfo,
267         .get_link               = asix_get_link,
268         .get_msglevel           = usbnet_get_msglevel,
269         .set_msglevel           = usbnet_set_msglevel,
270         .get_wol                = asix_get_wol,
271         .set_wol                = asix_set_wol,
272         .get_eeprom_len         = asix_get_eeprom_len,
273         .get_eeprom             = asix_get_eeprom,
274         .set_eeprom             = asix_set_eeprom,
275         .get_settings           = usbnet_get_settings,
276         .set_settings           = usbnet_set_settings,
277         .nway_reset             = usbnet_nway_reset,
278 };
279
280 static int ax88772_link_reset(struct usbnet *dev)
281 {
282         u16 mode;
283         struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
284
285         mii_check_media(&dev->mii, 1, 1);
286         mii_ethtool_gset(&dev->mii, &ecmd);
287         mode = AX88772_MEDIUM_DEFAULT;
288
289         if (ethtool_cmd_speed(&ecmd) != SPEED_100)
290                 mode &= ~AX_MEDIUM_PS;
291
292         if (ecmd.duplex != DUPLEX_FULL)
293                 mode &= ~AX_MEDIUM_FD;
294
295         netdev_dbg(dev->net, "ax88772_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
296                    ethtool_cmd_speed(&ecmd), ecmd.duplex, mode);
297
298         asix_write_medium_mode(dev, mode);
299
300         return 0;
301 }
302
303 static int ax88772_reset(struct usbnet *dev)
304 {
305         struct asix_data *data = (struct asix_data *)&dev->data;
306         int ret, embd_phy;
307         u16 rx_ctl;
308
309         ret = asix_write_gpio(dev,
310                         AX_GPIO_RSE | AX_GPIO_GPO_2 | AX_GPIO_GPO2EN, 5);
311         if (ret < 0)
312                 goto out;
313
314         embd_phy = ((asix_get_phy_addr(dev) & 0x1f) == 0x10 ? 1 : 0);
315
316         ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, embd_phy, 0, 0, NULL);
317         if (ret < 0) {
318                 netdev_dbg(dev->net, "Select PHY #1 failed: %d\n", ret);
319                 goto out;
320         }
321
322         ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_PRL);
323         if (ret < 0)
324                 goto out;
325
326         msleep(150);
327
328         ret = asix_sw_reset(dev, AX_SWRESET_CLEAR);
329         if (ret < 0)
330                 goto out;
331
332         msleep(150);
333
334         if (embd_phy) {
335                 ret = asix_sw_reset(dev, AX_SWRESET_IPRL);
336                 if (ret < 0)
337                         goto out;
338         } else {
339                 ret = asix_sw_reset(dev, AX_SWRESET_PRTE);
340                 if (ret < 0)
341                         goto out;
342         }
343
344         msleep(150);
345         rx_ctl = asix_read_rx_ctl(dev);
346         netdev_dbg(dev->net, "RX_CTL is 0x%04x after software reset\n", rx_ctl);
347         ret = asix_write_rx_ctl(dev, 0x0000);
348         if (ret < 0)
349                 goto out;
350
351         rx_ctl = asix_read_rx_ctl(dev);
352         netdev_dbg(dev->net, "RX_CTL is 0x%04x setting to 0x0000\n", rx_ctl);
353
354         ret = asix_sw_reset(dev, AX_SWRESET_PRL);
355         if (ret < 0)
356                 goto out;
357
358         msleep(150);
359
360         ret = asix_sw_reset(dev, AX_SWRESET_IPRL | AX_SWRESET_PRL);
361         if (ret < 0)
362                 goto out;
363
364         msleep(150);
365
366         asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET);
367         asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
368                         ADVERTISE_ALL | ADVERTISE_CSMA);
369         mii_nway_restart(&dev->mii);
370
371         ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT);
372         if (ret < 0)
373                 goto out;
374
375         ret = asix_write_cmd(dev, AX_CMD_WRITE_IPG0,
376                                 AX88772_IPG0_DEFAULT | AX88772_IPG1_DEFAULT,
377                                 AX88772_IPG2_DEFAULT, 0, NULL);
378         if (ret < 0) {
379                 netdev_dbg(dev->net, "Write IPG,IPG1,IPG2 failed: %d\n", ret);
380                 goto out;
381         }
382
383         /* Rewrite MAC address */
384         memcpy(data->mac_addr, dev->net->dev_addr, ETH_ALEN);
385         ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN,
386                                                         data->mac_addr);
387         if (ret < 0)
388                 goto out;
389
390         /* Set RX_CTL to default values with 2k buffer, and enable cactus */
391         ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL);
392         if (ret < 0)
393                 goto out;
394
395         rx_ctl = asix_read_rx_ctl(dev);
396         netdev_dbg(dev->net, "RX_CTL is 0x%04x after all initializations\n",
397                    rx_ctl);
398
399         rx_ctl = asix_read_medium_status(dev);
400         netdev_dbg(dev->net,
401                    "Medium Status is 0x%04x after all initializations\n",
402                    rx_ctl);
403
404         return 0;
405
406 out:
407         return ret;
408
409 }
410
411 static const struct net_device_ops ax88772_netdev_ops = {
412         .ndo_open               = usbnet_open,
413         .ndo_stop               = usbnet_stop,
414         .ndo_start_xmit         = usbnet_start_xmit,
415         .ndo_tx_timeout         = usbnet_tx_timeout,
416         .ndo_change_mtu         = usbnet_change_mtu,
417         .ndo_set_mac_address    = asix_set_mac_address,
418         .ndo_validate_addr      = eth_validate_addr,
419         .ndo_do_ioctl           = asix_ioctl,
420         .ndo_set_rx_mode        = asix_set_multicast,
421 };
422
423 static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf)
424 {
425         int ret, embd_phy;
426         u8 buf[ETH_ALEN];
427         u32 phyid;
428
429         usbnet_get_endpoints(dev,intf);
430
431         /* Get the MAC address */
432         ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf);
433         if (ret < 0) {
434                 netdev_dbg(dev->net, "Failed to read MAC address: %d\n", ret);
435                 return ret;
436         }
437
438         asix_set_netdev_dev_addr(dev, buf);
439
440         /* Initialize MII structure */
441         dev->mii.dev = dev->net;
442         dev->mii.mdio_read = asix_mdio_read;
443         dev->mii.mdio_write = asix_mdio_write;
444         dev->mii.phy_id_mask = 0x1f;
445         dev->mii.reg_num_mask = 0x1f;
446         dev->mii.phy_id = asix_get_phy_addr(dev);
447
448         dev->net->netdev_ops = &ax88772_netdev_ops;
449         dev->net->ethtool_ops = &ax88772_ethtool_ops;
450         dev->net->needed_headroom = 4; /* cf asix_tx_fixup() */
451         dev->net->needed_tailroom = 4; /* cf asix_tx_fixup() */
452
453         embd_phy = ((dev->mii.phy_id & 0x1f) == 0x10 ? 1 : 0);
454
455         /* Reset the PHY to normal operation mode */
456         ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, embd_phy, 0, 0, NULL);
457         if (ret < 0) {
458                 netdev_dbg(dev->net, "Select PHY #1 failed: %d\n", ret);
459                 return ret;
460         }
461
462         ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_PRL);
463         if (ret < 0)
464                 return ret;
465
466         msleep(150);
467
468         ret = asix_sw_reset(dev, AX_SWRESET_CLEAR);
469         if (ret < 0)
470                 return ret;
471
472         msleep(150);
473
474         ret = asix_sw_reset(dev, embd_phy ? AX_SWRESET_IPRL : AX_SWRESET_PRTE);
475
476         /* Read PHYID register *AFTER* the PHY was reset properly */
477         phyid = asix_get_phyid(dev);
478         netdev_dbg(dev->net, "PHYID=0x%08x\n", phyid);
479
480         /* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
481         if (dev->driver_info->flags & FLAG_FRAMING_AX) {
482                 /* hard_mtu  is still the default - the device does not support
483                    jumbo eth frames */
484                 dev->rx_urb_size = 2048;
485         }
486
487         return 0;
488 }
489
490 static const struct ethtool_ops ax88178_ethtool_ops = {
491         .get_drvinfo            = asix_get_drvinfo,
492         .get_link               = asix_get_link,
493         .get_msglevel           = usbnet_get_msglevel,
494         .set_msglevel           = usbnet_set_msglevel,
495         .get_wol                = asix_get_wol,
496         .set_wol                = asix_set_wol,
497         .get_eeprom_len         = asix_get_eeprom_len,
498         .get_eeprom             = asix_get_eeprom,
499         .set_eeprom             = asix_set_eeprom,
500         .get_settings           = usbnet_get_settings,
501         .set_settings           = usbnet_set_settings,
502         .nway_reset             = usbnet_nway_reset,
503 };
504
505 static int marvell_phy_init(struct usbnet *dev)
506 {
507         struct asix_data *data = (struct asix_data *)&dev->data;
508         u16 reg;
509
510         netdev_dbg(dev->net, "marvell_phy_init()\n");
511
512         reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_MARVELL_STATUS);
513         netdev_dbg(dev->net, "MII_MARVELL_STATUS = 0x%04x\n", reg);
514
515         asix_mdio_write(dev->net, dev->mii.phy_id, MII_MARVELL_CTRL,
516                         MARVELL_CTRL_RXDELAY | MARVELL_CTRL_TXDELAY);
517
518         if (data->ledmode) {
519                 reg = asix_mdio_read(dev->net, dev->mii.phy_id,
520                         MII_MARVELL_LED_CTRL);
521                 netdev_dbg(dev->net, "MII_MARVELL_LED_CTRL (1) = 0x%04x\n", reg);
522
523                 reg &= 0xf8ff;
524                 reg |= (1 + 0x0100);
525                 asix_mdio_write(dev->net, dev->mii.phy_id,
526                         MII_MARVELL_LED_CTRL, reg);
527
528                 reg = asix_mdio_read(dev->net, dev->mii.phy_id,
529                         MII_MARVELL_LED_CTRL);
530                 netdev_dbg(dev->net, "MII_MARVELL_LED_CTRL (2) = 0x%04x\n", reg);
531                 reg &= 0xfc0f;
532         }
533
534         return 0;
535 }
536
537 static int rtl8211cl_phy_init(struct usbnet *dev)
538 {
539         struct asix_data *data = (struct asix_data *)&dev->data;
540
541         netdev_dbg(dev->net, "rtl8211cl_phy_init()\n");
542
543         asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0x0005);
544         asix_mdio_write (dev->net, dev->mii.phy_id, 0x0c, 0);
545         asix_mdio_write (dev->net, dev->mii.phy_id, 0x01,
546                 asix_mdio_read (dev->net, dev->mii.phy_id, 0x01) | 0x0080);
547         asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0);
548
549         if (data->ledmode == 12) {
550                 asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0x0002);
551                 asix_mdio_write (dev->net, dev->mii.phy_id, 0x1a, 0x00cb);
552                 asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0);
553         }
554
555         return 0;
556 }
557
558 static int marvell_led_status(struct usbnet *dev, u16 speed)
559 {
560         u16 reg = asix_mdio_read(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL);
561
562         netdev_dbg(dev->net, "marvell_led_status() read 0x%04x\n", reg);
563
564         /* Clear out the center LED bits - 0x03F0 */
565         reg &= 0xfc0f;
566
567         switch (speed) {
568                 case SPEED_1000:
569                         reg |= 0x03e0;
570                         break;
571                 case SPEED_100:
572                         reg |= 0x03b0;
573                         break;
574                 default:
575                         reg |= 0x02f0;
576         }
577
578         netdev_dbg(dev->net, "marvell_led_status() writing 0x%04x\n", reg);
579         asix_mdio_write(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL, reg);
580
581         return 0;
582 }
583
584 static int ax88178_reset(struct usbnet *dev)
585 {
586         struct asix_data *data = (struct asix_data *)&dev->data;
587         int ret;
588         __le16 eeprom;
589         u8 status;
590         int gpio0 = 0;
591         u32 phyid;
592
593         asix_read_cmd(dev, AX_CMD_READ_GPIOS, 0, 0, 1, &status);
594         netdev_dbg(dev->net, "GPIO Status: 0x%04x\n", status);
595
596         asix_write_cmd(dev, AX_CMD_WRITE_ENABLE, 0, 0, 0, NULL);
597         asix_read_cmd(dev, AX_CMD_READ_EEPROM, 0x0017, 0, 2, &eeprom);
598         asix_write_cmd(dev, AX_CMD_WRITE_DISABLE, 0, 0, 0, NULL);
599
600         netdev_dbg(dev->net, "EEPROM index 0x17 is 0x%04x\n", eeprom);
601
602         if (eeprom == cpu_to_le16(0xffff)) {
603                 data->phymode = PHY_MODE_MARVELL;
604                 data->ledmode = 0;
605                 gpio0 = 1;
606         } else {
607                 data->phymode = le16_to_cpu(eeprom) & 0x7F;
608                 data->ledmode = le16_to_cpu(eeprom) >> 8;
609                 gpio0 = (le16_to_cpu(eeprom) & 0x80) ? 0 : 1;
610         }
611         netdev_dbg(dev->net, "GPIO0: %d, PhyMode: %d\n", gpio0, data->phymode);
612
613         /* Power up external GigaPHY through AX88178 GPIO pin */
614         asix_write_gpio(dev, AX_GPIO_RSE | AX_GPIO_GPO_1 | AX_GPIO_GPO1EN, 40);
615         if ((le16_to_cpu(eeprom) >> 8) != 1) {
616                 asix_write_gpio(dev, 0x003c, 30);
617                 asix_write_gpio(dev, 0x001c, 300);
618                 asix_write_gpio(dev, 0x003c, 30);
619         } else {
620                 netdev_dbg(dev->net, "gpio phymode == 1 path\n");
621                 asix_write_gpio(dev, AX_GPIO_GPO1EN, 30);
622                 asix_write_gpio(dev, AX_GPIO_GPO1EN | AX_GPIO_GPO_1, 30);
623         }
624
625         /* Read PHYID register *AFTER* powering up PHY */
626         phyid = asix_get_phyid(dev);
627         netdev_dbg(dev->net, "PHYID=0x%08x\n", phyid);
628
629         /* Set AX88178 to enable MII/GMII/RGMII interface for external PHY */
630         asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, 0, 0, 0, NULL);
631
632         asix_sw_reset(dev, 0);
633         msleep(150);
634
635         asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD);
636         msleep(150);
637
638         asix_write_rx_ctl(dev, 0);
639
640         if (data->phymode == PHY_MODE_MARVELL) {
641                 marvell_phy_init(dev);
642                 msleep(60);
643         } else if (data->phymode == PHY_MODE_RTL8211CL)
644                 rtl8211cl_phy_init(dev);
645
646         asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR,
647                         BMCR_RESET | BMCR_ANENABLE);
648         asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
649                         ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
650         asix_mdio_write(dev->net, dev->mii.phy_id, MII_CTRL1000,
651                         ADVERTISE_1000FULL);
652
653         mii_nway_restart(&dev->mii);
654
655         ret = asix_write_medium_mode(dev, AX88178_MEDIUM_DEFAULT);
656         if (ret < 0)
657                 return ret;
658
659         /* Rewrite MAC address */
660         memcpy(data->mac_addr, dev->net->dev_addr, ETH_ALEN);
661         ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN,
662                                                         data->mac_addr);
663         if (ret < 0)
664                 return ret;
665
666         ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL);
667         if (ret < 0)
668                 return ret;
669
670         return 0;
671 }
672
673 static int ax88178_link_reset(struct usbnet *dev)
674 {
675         u16 mode;
676         struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
677         struct asix_data *data = (struct asix_data *)&dev->data;
678         u32 speed;
679
680         netdev_dbg(dev->net, "ax88178_link_reset()\n");
681
682         mii_check_media(&dev->mii, 1, 1);
683         mii_ethtool_gset(&dev->mii, &ecmd);
684         mode = AX88178_MEDIUM_DEFAULT;
685         speed = ethtool_cmd_speed(&ecmd);
686
687         if (speed == SPEED_1000)
688                 mode |= AX_MEDIUM_GM;
689         else if (speed == SPEED_100)
690                 mode |= AX_MEDIUM_PS;
691         else
692                 mode &= ~(AX_MEDIUM_PS | AX_MEDIUM_GM);
693
694         mode |= AX_MEDIUM_ENCK;
695
696         if (ecmd.duplex == DUPLEX_FULL)
697                 mode |= AX_MEDIUM_FD;
698         else
699                 mode &= ~AX_MEDIUM_FD;
700
701         netdev_dbg(dev->net, "ax88178_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
702                    speed, ecmd.duplex, mode);
703
704         asix_write_medium_mode(dev, mode);
705
706         if (data->phymode == PHY_MODE_MARVELL && data->ledmode)
707                 marvell_led_status(dev, speed);
708
709         return 0;
710 }
711
712 static void ax88178_set_mfb(struct usbnet *dev)
713 {
714         u16 mfb = AX_RX_CTL_MFB_16384;
715         u16 rxctl;
716         u16 medium;
717         int old_rx_urb_size = dev->rx_urb_size;
718
719         if (dev->hard_mtu < 2048) {
720                 dev->rx_urb_size = 2048;
721                 mfb = AX_RX_CTL_MFB_2048;
722         } else if (dev->hard_mtu < 4096) {
723                 dev->rx_urb_size = 4096;
724                 mfb = AX_RX_CTL_MFB_4096;
725         } else if (dev->hard_mtu < 8192) {
726                 dev->rx_urb_size = 8192;
727                 mfb = AX_RX_CTL_MFB_8192;
728         } else if (dev->hard_mtu < 16384) {
729                 dev->rx_urb_size = 16384;
730                 mfb = AX_RX_CTL_MFB_16384;
731         }
732
733         rxctl = asix_read_rx_ctl(dev);
734         asix_write_rx_ctl(dev, (rxctl & ~AX_RX_CTL_MFB_16384) | mfb);
735
736         medium = asix_read_medium_status(dev);
737         if (dev->net->mtu > 1500)
738                 medium |= AX_MEDIUM_JFE;
739         else
740                 medium &= ~AX_MEDIUM_JFE;
741         asix_write_medium_mode(dev, medium);
742
743         if (dev->rx_urb_size > old_rx_urb_size)
744                 usbnet_unlink_rx_urbs(dev);
745 }
746
747 static int ax88178_change_mtu(struct net_device *net, int new_mtu)
748 {
749         struct usbnet *dev = netdev_priv(net);
750         int ll_mtu = new_mtu + net->hard_header_len + 4;
751
752         netdev_dbg(dev->net, "ax88178_change_mtu() new_mtu=%d\n", new_mtu);
753
754         if (new_mtu <= 0 || ll_mtu > 16384)
755                 return -EINVAL;
756
757         if ((ll_mtu % dev->maxpacket) == 0)
758                 return -EDOM;
759
760         net->mtu = new_mtu;
761         dev->hard_mtu = net->mtu + net->hard_header_len;
762         ax88178_set_mfb(dev);
763
764         return 0;
765 }
766
767 static const struct net_device_ops ax88178_netdev_ops = {
768         .ndo_open               = usbnet_open,
769         .ndo_stop               = usbnet_stop,
770         .ndo_start_xmit         = usbnet_start_xmit,
771         .ndo_tx_timeout         = usbnet_tx_timeout,
772         .ndo_set_mac_address    = asix_set_mac_address,
773         .ndo_validate_addr      = eth_validate_addr,
774         .ndo_set_rx_mode        = asix_set_multicast,
775         .ndo_do_ioctl           = asix_ioctl,
776         .ndo_change_mtu         = ax88178_change_mtu,
777 };
778
779 static int ax88178_bind(struct usbnet *dev, struct usb_interface *intf)
780 {
781         int ret;
782         u8 buf[ETH_ALEN];
783
784         usbnet_get_endpoints(dev,intf);
785
786         /* Get the MAC address */
787         ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf);
788         if (ret < 0) {
789                 netdev_dbg(dev->net, "Failed to read MAC address: %d\n", ret);
790                 return ret;
791         }
792
793         asix_set_netdev_dev_addr(dev, buf);
794
795         /* Initialize MII structure */
796         dev->mii.dev = dev->net;
797         dev->mii.mdio_read = asix_mdio_read;
798         dev->mii.mdio_write = asix_mdio_write;
799         dev->mii.phy_id_mask = 0x1f;
800         dev->mii.reg_num_mask = 0xff;
801         dev->mii.supports_gmii = 1;
802         dev->mii.phy_id = asix_get_phy_addr(dev);
803
804         dev->net->netdev_ops = &ax88178_netdev_ops;
805         dev->net->ethtool_ops = &ax88178_ethtool_ops;
806
807         /* Blink LEDS so users know driver saw dongle */
808         asix_sw_reset(dev, 0);
809         msleep(150);
810
811         asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD);
812         msleep(150);
813
814         /* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
815         if (dev->driver_info->flags & FLAG_FRAMING_AX) {
816                 /* hard_mtu  is still the default - the device does not support
817                    jumbo eth frames */
818                 dev->rx_urb_size = 2048;
819         }
820
821         return 0;
822 }
823
824 static const struct driver_info ax8817x_info = {
825         .description = "ASIX AX8817x USB 2.0 Ethernet",
826         .bind = ax88172_bind,
827         .status = asix_status,
828         .link_reset = ax88172_link_reset,
829         .reset = ax88172_link_reset,
830         .flags =  FLAG_ETHER | FLAG_LINK_INTR,
831         .data = 0x00130103,
832 };
833
834 static const struct driver_info dlink_dub_e100_info = {
835         .description = "DLink DUB-E100 USB Ethernet",
836         .bind = ax88172_bind,
837         .status = asix_status,
838         .link_reset = ax88172_link_reset,
839         .reset = ax88172_link_reset,
840         .flags =  FLAG_ETHER | FLAG_LINK_INTR,
841         .data = 0x009f9d9f,
842 };
843
844 static const struct driver_info netgear_fa120_info = {
845         .description = "Netgear FA-120 USB Ethernet",
846         .bind = ax88172_bind,
847         .status = asix_status,
848         .link_reset = ax88172_link_reset,
849         .reset = ax88172_link_reset,
850         .flags =  FLAG_ETHER | FLAG_LINK_INTR,
851         .data = 0x00130103,
852 };
853
854 static const struct driver_info hawking_uf200_info = {
855         .description = "Hawking UF200 USB Ethernet",
856         .bind = ax88172_bind,
857         .status = asix_status,
858         .link_reset = ax88172_link_reset,
859         .reset = ax88172_link_reset,
860         .flags =  FLAG_ETHER | FLAG_LINK_INTR,
861         .data = 0x001f1d1f,
862 };
863
864 static const struct driver_info ax88772_info = {
865         .description = "ASIX AX88772 USB 2.0 Ethernet",
866         .bind = ax88772_bind,
867         .status = asix_status,
868         .link_reset = ax88772_link_reset,
869         .reset = ax88772_reset,
870         .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR | FLAG_MULTI_PACKET,
871         .rx_fixup = asix_rx_fixup,
872         .tx_fixup = asix_tx_fixup,
873 };
874
875 static const struct driver_info ax88178_info = {
876         .description = "ASIX AX88178 USB 2.0 Ethernet",
877         .bind = ax88178_bind,
878         .status = asix_status,
879         .link_reset = ax88178_link_reset,
880         .reset = ax88178_reset,
881         .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR,
882         .rx_fixup = asix_rx_fixup,
883         .tx_fixup = asix_tx_fixup,
884 };
885
886 extern const struct driver_info ax88172a_info;
887
888 static const struct usb_device_id       products [] = {
889 {
890         // Linksys USB200M
891         USB_DEVICE (0x077b, 0x2226),
892         .driver_info =  (unsigned long) &ax8817x_info,
893 }, {
894         // Netgear FA120
895         USB_DEVICE (0x0846, 0x1040),
896         .driver_info =  (unsigned long) &netgear_fa120_info,
897 }, {
898         // DLink DUB-E100
899         USB_DEVICE (0x2001, 0x1a00),
900         .driver_info =  (unsigned long) &dlink_dub_e100_info,
901 }, {
902         // Intellinet, ST Lab USB Ethernet
903         USB_DEVICE (0x0b95, 0x1720),
904         .driver_info =  (unsigned long) &ax8817x_info,
905 }, {
906         // Hawking UF200, TrendNet TU2-ET100
907         USB_DEVICE (0x07b8, 0x420a),
908         .driver_info =  (unsigned long) &hawking_uf200_info,
909 }, {
910         // Billionton Systems, USB2AR
911         USB_DEVICE (0x08dd, 0x90ff),
912         .driver_info =  (unsigned long) &ax8817x_info,
913 }, {
914         // ATEN UC210T
915         USB_DEVICE (0x0557, 0x2009),
916         .driver_info =  (unsigned long) &ax8817x_info,
917 }, {
918         // Buffalo LUA-U2-KTX
919         USB_DEVICE (0x0411, 0x003d),
920         .driver_info =  (unsigned long) &ax8817x_info,
921 }, {
922         // Buffalo LUA-U2-GT 10/100/1000
923         USB_DEVICE (0x0411, 0x006e),
924         .driver_info =  (unsigned long) &ax88178_info,
925 }, {
926         // Sitecom LN-029 "USB 2.0 10/100 Ethernet adapter"
927         USB_DEVICE (0x6189, 0x182d),
928         .driver_info =  (unsigned long) &ax8817x_info,
929 }, {
930         // Sitecom LN-031 "USB 2.0 10/100/1000 Ethernet adapter"
931         USB_DEVICE (0x0df6, 0x0056),
932         .driver_info =  (unsigned long) &ax88178_info,
933 }, {
934         // corega FEther USB2-TX
935         USB_DEVICE (0x07aa, 0x0017),
936         .driver_info =  (unsigned long) &ax8817x_info,
937 }, {
938         // Surecom EP-1427X-2
939         USB_DEVICE (0x1189, 0x0893),
940         .driver_info = (unsigned long) &ax8817x_info,
941 }, {
942         // goodway corp usb gwusb2e
943         USB_DEVICE (0x1631, 0x6200),
944         .driver_info = (unsigned long) &ax8817x_info,
945 }, {
946         // JVC MP-PRX1 Port Replicator
947         USB_DEVICE (0x04f1, 0x3008),
948         .driver_info = (unsigned long) &ax8817x_info,
949 }, {
950         // Lenovo U2L100P 10/100
951         USB_DEVICE (0x17ef, 0x7203),
952         .driver_info = (unsigned long) &ax88772_info,
953 }, {
954         // ASIX AX88772B 10/100
955         USB_DEVICE (0x0b95, 0x772b),
956         .driver_info = (unsigned long) &ax88772_info,
957 }, {
958         // ASIX AX88772 10/100
959         USB_DEVICE (0x0b95, 0x7720),
960         .driver_info = (unsigned long) &ax88772_info,
961 }, {
962         // ASIX AX88178 10/100/1000
963         USB_DEVICE (0x0b95, 0x1780),
964         .driver_info = (unsigned long) &ax88178_info,
965 }, {
966         // Logitec LAN-GTJ/U2A
967         USB_DEVICE (0x0789, 0x0160),
968         .driver_info = (unsigned long) &ax88178_info,
969 }, {
970         // Linksys USB200M Rev 2
971         USB_DEVICE (0x13b1, 0x0018),
972         .driver_info = (unsigned long) &ax88772_info,
973 }, {
974         // 0Q0 cable ethernet
975         USB_DEVICE (0x1557, 0x7720),
976         .driver_info = (unsigned long) &ax88772_info,
977 }, {
978         // DLink DUB-E100 H/W Ver B1
979         USB_DEVICE (0x07d1, 0x3c05),
980         .driver_info = (unsigned long) &ax88772_info,
981 }, {
982         // DLink DUB-E100 H/W Ver B1 Alternate
983         USB_DEVICE (0x2001, 0x3c05),
984         .driver_info = (unsigned long) &ax88772_info,
985 }, {
986        // DLink DUB-E100 H/W Ver C1
987        USB_DEVICE (0x2001, 0x1a02),
988        .driver_info = (unsigned long) &ax88772_info,
989 }, {
990         // Linksys USB1000
991         USB_DEVICE (0x1737, 0x0039),
992         .driver_info = (unsigned long) &ax88178_info,
993 }, {
994         // IO-DATA ETG-US2
995         USB_DEVICE (0x04bb, 0x0930),
996         .driver_info = (unsigned long) &ax88178_info,
997 }, {
998         // Belkin F5D5055
999         USB_DEVICE(0x050d, 0x5055),
1000         .driver_info = (unsigned long) &ax88178_info,
1001 }, {
1002         // Apple USB Ethernet Adapter
1003         USB_DEVICE(0x05ac, 0x1402),
1004         .driver_info = (unsigned long) &ax88772_info,
1005 }, {
1006         // Cables-to-Go USB Ethernet Adapter
1007         USB_DEVICE(0x0b95, 0x772a),
1008         .driver_info = (unsigned long) &ax88772_info,
1009 }, {
1010         // ABOCOM for pci
1011         USB_DEVICE(0x14ea, 0xab11),
1012         .driver_info = (unsigned long) &ax88178_info,
1013 }, {
1014         // ASIX 88772a
1015         USB_DEVICE(0x0db0, 0xa877),
1016         .driver_info = (unsigned long) &ax88772_info,
1017 }, {
1018         // Asus USB Ethernet Adapter
1019         USB_DEVICE (0x0b95, 0x7e2b),
1020         .driver_info = (unsigned long) &ax88772_info,
1021 }, {
1022         /* ASIX 88172a demo board */
1023         USB_DEVICE(0x0b95, 0x172a),
1024         .driver_info = (unsigned long) &ax88172a_info,
1025 },
1026         { },            // END
1027 };
1028 MODULE_DEVICE_TABLE(usb, products);
1029
1030 static struct usb_driver asix_driver = {
1031         .name =         DRIVER_NAME,
1032         .id_table =     products,
1033         .probe =        usbnet_probe,
1034         .suspend =      usbnet_suspend,
1035         .resume =       usbnet_resume,
1036         .disconnect =   usbnet_disconnect,
1037         .supports_autosuspend = 1,
1038         .disable_hub_initiated_lpm = 1,
1039 };
1040
1041 module_usb_driver(asix_driver);
1042
1043 MODULE_AUTHOR("David Hollis");
1044 MODULE_VERSION(DRIVER_VERSION);
1045 MODULE_DESCRIPTION("ASIX AX8817X based USB 2.0 Ethernet Devices");
1046 MODULE_LICENSE("GPL");
1047