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.
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.
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.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, see <http://www.gnu.org/licenses/>.
24 #define PHY_MODE_MARVELL 0x0000
25 #define MII_MARVELL_LED_CTRL 0x0018
26 #define MII_MARVELL_STATUS 0x001b
27 #define MII_MARVELL_CTRL 0x0014
29 #define MARVELL_LED_MANUAL 0x0019
31 #define MARVELL_STATUS_HWCFG 0x0004
33 #define MARVELL_CTRL_TXDELAY 0x0002
34 #define MARVELL_CTRL_RXDELAY 0x0080
36 #define PHY_MODE_RTL8211CL 0x000C
38 #define AX88772A_PHY14H 0x14
39 #define AX88772A_PHY14H_DEFAULT 0x442C
41 #define AX88772A_PHY15H 0x15
42 #define AX88772A_PHY15H_DEFAULT 0x03C8
44 #define AX88772A_PHY16H 0x16
45 #define AX88772A_PHY16H_DEFAULT 0x4044
47 struct ax88172_int_data {
55 static void asix_status(struct usbnet *dev, struct urb *urb)
57 struct ax88172_int_data *event;
60 if (urb->actual_length < 8)
63 event = urb->transfer_buffer;
64 link = event->link & 0x01;
65 if (netif_carrier_ok(dev->net) != link) {
66 usbnet_link_change(dev, link, 1);
67 netdev_dbg(dev->net, "Link Status is: %d\n", link);
71 static void asix_set_netdev_dev_addr(struct usbnet *dev, u8 *addr)
73 if (is_valid_ether_addr(addr)) {
74 memcpy(dev->net->dev_addr, addr, ETH_ALEN);
76 netdev_info(dev->net, "invalid hw address, using random\n");
77 eth_hw_addr_random(dev->net);
81 /* Get the PHY Identifier from the PHYSID1 & PHYSID2 MII registers */
82 static u32 asix_get_phyid(struct usbnet *dev)
88 /* Poll for the rare case the FW or phy isn't ready yet. */
89 for (i = 0; i < 100; i++) {
90 phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID1);
93 if (phy_reg != 0 && phy_reg != 0xFFFF)
98 if (phy_reg <= 0 || phy_reg == 0xFFFF)
101 phy_id = (phy_reg & 0xffff) << 16;
103 phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID2);
107 phy_id |= (phy_reg & 0xffff);
112 static u32 asix_get_link(struct net_device *net)
114 struct usbnet *dev = netdev_priv(net);
116 return mii_link_ok(&dev->mii);
119 static int asix_ioctl (struct net_device *net, struct ifreq *rq, int cmd)
121 struct usbnet *dev = netdev_priv(net);
123 return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
126 /* We need to override some ethtool_ops so we require our
127 own structure so we don't interfere with other usbnet
128 devices that may be connected at the same time. */
129 static const struct ethtool_ops ax88172_ethtool_ops = {
130 .get_drvinfo = asix_get_drvinfo,
131 .get_link = asix_get_link,
132 .get_msglevel = usbnet_get_msglevel,
133 .set_msglevel = usbnet_set_msglevel,
134 .get_wol = asix_get_wol,
135 .set_wol = asix_set_wol,
136 .get_eeprom_len = asix_get_eeprom_len,
137 .get_eeprom = asix_get_eeprom,
138 .set_eeprom = asix_set_eeprom,
139 .get_settings = usbnet_get_settings,
140 .set_settings = usbnet_set_settings,
141 .nway_reset = usbnet_nway_reset,
144 static void ax88172_set_multicast(struct net_device *net)
146 struct usbnet *dev = netdev_priv(net);
147 struct asix_data *data = (struct asix_data *)&dev->data;
150 if (net->flags & IFF_PROMISC) {
152 } else if (net->flags & IFF_ALLMULTI ||
153 netdev_mc_count(net) > AX_MAX_MCAST) {
155 } else if (netdev_mc_empty(net)) {
156 /* just broadcast and directed */
158 /* We use the 20 byte dev->data
159 * for our 8 byte filter buffer
160 * to avoid allocating memory that
161 * is tricky to free later */
162 struct netdev_hw_addr *ha;
165 memset(data->multi_filter, 0, AX_MCAST_FILTER_SIZE);
167 /* Build the multicast hash filter. */
168 netdev_for_each_mc_addr(ha, net) {
169 crc_bits = ether_crc(ETH_ALEN, ha->addr) >> 26;
170 data->multi_filter[crc_bits >> 3] |=
174 asix_write_cmd_async(dev, AX_CMD_WRITE_MULTI_FILTER, 0, 0,
175 AX_MCAST_FILTER_SIZE, data->multi_filter);
180 asix_write_cmd_async(dev, AX_CMD_WRITE_RX_CTL, rx_ctl, 0, 0, NULL);
183 static int ax88172_link_reset(struct usbnet *dev)
186 struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
188 mii_check_media(&dev->mii, 1, 1);
189 mii_ethtool_gset(&dev->mii, &ecmd);
190 mode = AX88172_MEDIUM_DEFAULT;
192 if (ecmd.duplex != DUPLEX_FULL)
193 mode |= ~AX88172_MEDIUM_FD;
195 netdev_dbg(dev->net, "ax88172_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
196 ethtool_cmd_speed(&ecmd), ecmd.duplex, mode);
198 asix_write_medium_mode(dev, mode, 0);
203 static const struct net_device_ops ax88172_netdev_ops = {
204 .ndo_open = usbnet_open,
205 .ndo_stop = usbnet_stop,
206 .ndo_start_xmit = usbnet_start_xmit,
207 .ndo_tx_timeout = usbnet_tx_timeout,
208 .ndo_change_mtu = usbnet_change_mtu,
209 .ndo_set_mac_address = eth_mac_addr,
210 .ndo_validate_addr = eth_validate_addr,
211 .ndo_do_ioctl = asix_ioctl,
212 .ndo_set_rx_mode = ax88172_set_multicast,
215 static void asix_phy_reset(struct usbnet *dev, unsigned int reset_bits)
217 unsigned int timeout = 5000;
219 asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, reset_bits);
221 /* give phy_id a chance to process reset */
224 /* See IEEE 802.3 "22.2.4.1.1 Reset": 500ms max */
226 if (asix_mdio_read(dev->net, dev->mii.phy_id, MII_BMCR)
233 netdev_err(dev->net, "BMCR_RESET timeout on phy_id %d\n",
237 static int ax88172_bind(struct usbnet *dev, struct usb_interface *intf)
240 u8 buf[ETH_ALEN] = {0};
242 unsigned long gpio_bits = dev->driver_info->data;
244 usbnet_get_endpoints(dev,intf);
246 /* Toggle the GPIOs in a manufacturer/model specific way */
247 for (i = 2; i >= 0; i--) {
248 ret = asix_write_cmd(dev, AX_CMD_WRITE_GPIOS,
249 (gpio_bits >> (i * 8)) & 0xff, 0, 0, NULL, 0);
255 ret = asix_write_rx_ctl(dev, 0x80, 0);
259 /* Get the MAC address */
260 ret = asix_read_cmd(dev, AX88172_CMD_READ_NODE_ID,
261 0, 0, ETH_ALEN, buf, 0);
263 netdev_dbg(dev->net, "read AX_CMD_READ_NODE_ID failed: %d\n",
268 asix_set_netdev_dev_addr(dev, buf);
270 /* Initialize MII structure */
271 dev->mii.dev = dev->net;
272 dev->mii.mdio_read = asix_mdio_read;
273 dev->mii.mdio_write = asix_mdio_write;
274 dev->mii.phy_id_mask = 0x3f;
275 dev->mii.reg_num_mask = 0x1f;
276 dev->mii.phy_id = asix_get_phy_addr(dev);
278 dev->net->netdev_ops = &ax88172_netdev_ops;
279 dev->net->ethtool_ops = &ax88172_ethtool_ops;
280 dev->net->needed_headroom = 4; /* cf asix_tx_fixup() */
281 dev->net->needed_tailroom = 4; /* cf asix_tx_fixup() */
283 asix_phy_reset(dev, BMCR_RESET);
284 asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
285 ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
286 mii_nway_restart(&dev->mii);
294 static const struct ethtool_ops ax88772_ethtool_ops = {
295 .get_drvinfo = asix_get_drvinfo,
296 .get_link = asix_get_link,
297 .get_msglevel = usbnet_get_msglevel,
298 .set_msglevel = usbnet_set_msglevel,
299 .get_wol = asix_get_wol,
300 .set_wol = asix_set_wol,
301 .get_eeprom_len = asix_get_eeprom_len,
302 .get_eeprom = asix_get_eeprom,
303 .set_eeprom = asix_set_eeprom,
304 .get_settings = usbnet_get_settings,
305 .set_settings = usbnet_set_settings,
306 .nway_reset = usbnet_nway_reset,
309 static int ax88772_link_reset(struct usbnet *dev)
312 struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
314 mii_check_media(&dev->mii, 1, 1);
315 mii_ethtool_gset(&dev->mii, &ecmd);
316 mode = AX88772_MEDIUM_DEFAULT;
318 if (ethtool_cmd_speed(&ecmd) != SPEED_100)
319 mode &= ~AX_MEDIUM_PS;
321 if (ecmd.duplex != DUPLEX_FULL)
322 mode &= ~AX_MEDIUM_FD;
324 netdev_dbg(dev->net, "ax88772_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
325 ethtool_cmd_speed(&ecmd), ecmd.duplex, mode);
327 asix_write_medium_mode(dev, mode, 0);
332 static int ax88772_reset(struct usbnet *dev)
334 struct asix_data *data = (struct asix_data *)&dev->data;
337 /* Rewrite MAC address */
338 ether_addr_copy(data->mac_addr, dev->net->dev_addr);
339 ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0,
340 ETH_ALEN, data->mac_addr, 0);
344 /* Set RX_CTL to default values with 2k buffer, and enable cactus */
345 ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, 0);
349 asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT, 0);
359 static int ax88772_hw_reset(struct usbnet *dev, int in_pm)
361 struct asix_data *data = (struct asix_data *)&dev->data;
365 ret = asix_write_gpio(dev, AX_GPIO_RSE | AX_GPIO_GPO_2 |
366 AX_GPIO_GPO2EN, 5, in_pm);
370 embd_phy = ((dev->mii.phy_id & 0x1f) == 0x10 ? 1 : 0);
372 ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, embd_phy,
375 netdev_dbg(dev->net, "Select PHY #1 failed: %d\n", ret);
380 ret = asix_sw_reset(dev, AX_SWRESET_IPPD, in_pm);
384 usleep_range(10000, 11000);
386 ret = asix_sw_reset(dev, AX_SWRESET_CLEAR, in_pm);
392 ret = asix_sw_reset(dev, AX_SWRESET_IPRL | AX_SWRESET_PRL,
397 ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_PRL,
405 if (in_pm && (!asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
411 ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm);
415 ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT, in_pm);
419 ret = asix_write_cmd(dev, AX_CMD_WRITE_IPG0,
420 AX88772_IPG0_DEFAULT | AX88772_IPG1_DEFAULT,
421 AX88772_IPG2_DEFAULT, 0, NULL, in_pm);
423 netdev_dbg(dev->net, "Write IPG,IPG1,IPG2 failed: %d\n", ret);
427 /* Rewrite MAC address */
428 ether_addr_copy(data->mac_addr, dev->net->dev_addr);
429 ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0,
430 ETH_ALEN, data->mac_addr, in_pm);
434 /* Set RX_CTL to default values with 2k buffer, and enable cactus */
435 ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm);
439 rx_ctl = asix_read_rx_ctl(dev, in_pm);
440 netdev_dbg(dev->net, "RX_CTL is 0x%04x after all initializations\n",
443 rx_ctl = asix_read_medium_status(dev, in_pm);
445 "Medium Status is 0x%04x after all initializations\n",
454 static int ax88772a_hw_reset(struct usbnet *dev, int in_pm)
456 struct asix_data *data = (struct asix_data *)&dev->data;
458 u16 rx_ctl, phy14h, phy15h, phy16h;
461 ret = asix_write_gpio(dev, AX_GPIO_RSE, 5, in_pm);
465 embd_phy = ((dev->mii.phy_id & 0x1f) == 0x10 ? 1 : 0);
467 ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, embd_phy |
468 AX_PHYSEL_SSEN, 0, 0, NULL, in_pm);
470 netdev_dbg(dev->net, "Select PHY #1 failed: %d\n", ret);
473 usleep_range(10000, 11000);
475 ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_IPRL, in_pm);
479 usleep_range(10000, 11000);
481 ret = asix_sw_reset(dev, AX_SWRESET_IPRL, in_pm);
487 ret = asix_sw_reset(dev, AX_SWRESET_CLEAR, in_pm);
491 ret = asix_sw_reset(dev, AX_SWRESET_IPRL, in_pm);
497 if (in_pm && (!asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
503 ret = asix_read_cmd(dev, AX_CMD_STATMNGSTS_REG, 0,
504 0, 1, &chipcode, in_pm);
508 if ((chipcode & AX_CHIPCODE_MASK) == AX_AX88772B_CHIPCODE) {
509 ret = asix_write_cmd(dev, AX_QCTCTRL, 0x8000, 0x8001,
512 netdev_dbg(dev->net, "Write BQ setting failed: %d\n",
516 } else if ((chipcode & AX_CHIPCODE_MASK) == AX_AX88772A_CHIPCODE) {
517 /* Check if the PHY registers have default settings */
518 phy14h = asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
520 phy15h = asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
522 phy16h = asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
526 "772a_hw_reset: MR20=0x%x MR21=0x%x MR22=0x%x\n",
527 phy14h, phy15h, phy16h);
529 /* Restore PHY registers default setting if not */
530 if (phy14h != AX88772A_PHY14H_DEFAULT)
531 asix_mdio_write_nopm(dev->net, dev->mii.phy_id,
533 AX88772A_PHY14H_DEFAULT);
534 if (phy15h != AX88772A_PHY15H_DEFAULT)
535 asix_mdio_write_nopm(dev->net, dev->mii.phy_id,
537 AX88772A_PHY15H_DEFAULT);
538 if (phy16h != AX88772A_PHY16H_DEFAULT)
539 asix_mdio_write_nopm(dev->net, dev->mii.phy_id,
541 AX88772A_PHY16H_DEFAULT);
544 ret = asix_write_cmd(dev, AX_CMD_WRITE_IPG0,
545 AX88772_IPG0_DEFAULT | AX88772_IPG1_DEFAULT,
546 AX88772_IPG2_DEFAULT, 0, NULL, in_pm);
548 netdev_dbg(dev->net, "Write IPG,IPG1,IPG2 failed: %d\n", ret);
552 /* Rewrite MAC address */
553 memcpy(data->mac_addr, dev->net->dev_addr, ETH_ALEN);
554 ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN,
555 data->mac_addr, in_pm);
559 /* Set RX_CTL to default values with 2k buffer, and enable cactus */
560 ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm);
564 ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT, in_pm);
568 /* Set RX_CTL to default values with 2k buffer, and enable cactus */
569 ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm);
573 rx_ctl = asix_read_rx_ctl(dev, in_pm);
574 netdev_dbg(dev->net, "RX_CTL is 0x%04x after all initializations\n",
577 rx_ctl = asix_read_medium_status(dev, in_pm);
579 "Medium Status is 0x%04x after all initializations\n",
588 static const struct net_device_ops ax88772_netdev_ops = {
589 .ndo_open = usbnet_open,
590 .ndo_stop = usbnet_stop,
591 .ndo_start_xmit = usbnet_start_xmit,
592 .ndo_tx_timeout = usbnet_tx_timeout,
593 .ndo_change_mtu = usbnet_change_mtu,
594 .ndo_set_mac_address = asix_set_mac_address,
595 .ndo_validate_addr = eth_validate_addr,
596 .ndo_do_ioctl = asix_ioctl,
597 .ndo_set_rx_mode = asix_set_multicast,
600 static void ax88772_suspend(struct usbnet *dev)
602 struct asix_common_private *priv = dev->driver_priv;
605 /* Stop MAC operation */
606 medium = asix_read_medium_status(dev, 1);
607 medium &= ~AX_MEDIUM_RE;
608 asix_write_medium_mode(dev, medium, 1);
610 netdev_dbg(dev->net, "ax88772_suspend: medium=0x%04x\n",
611 asix_read_medium_status(dev, 1));
613 /* Preserve BMCR for restoring */
614 priv->presvd_phy_bmcr =
615 asix_mdio_read_nopm(dev->net, dev->mii.phy_id, MII_BMCR);
617 /* Preserve ANAR for restoring */
618 priv->presvd_phy_advertise =
619 asix_mdio_read_nopm(dev->net, dev->mii.phy_id, MII_ADVERTISE);
622 static int asix_suspend(struct usb_interface *intf, pm_message_t message)
624 struct usbnet *dev = usb_get_intfdata(intf);
625 struct asix_common_private *priv = dev->driver_priv;
627 if (priv && priv->suspend)
630 return usbnet_suspend(intf, message);
633 static void ax88772_restore_phy(struct usbnet *dev)
635 struct asix_common_private *priv = dev->driver_priv;
637 if (priv->presvd_phy_advertise) {
638 /* Restore Advertisement control reg */
639 asix_mdio_write_nopm(dev->net, dev->mii.phy_id, MII_ADVERTISE,
640 priv->presvd_phy_advertise);
643 if (priv->presvd_phy_bmcr & BMCR_ANENABLE)
644 priv->presvd_phy_bmcr |= BMCR_ANRESTART;
646 asix_mdio_write_nopm(dev->net, dev->mii.phy_id, MII_BMCR,
647 priv->presvd_phy_bmcr);
649 priv->presvd_phy_advertise = 0;
650 priv->presvd_phy_bmcr = 0;
654 static void ax88772_resume(struct usbnet *dev)
658 for (i = 0; i < 3; i++)
659 if (!ax88772_hw_reset(dev, 1))
661 ax88772_restore_phy(dev);
664 static void ax88772a_resume(struct usbnet *dev)
668 for (i = 0; i < 3; i++) {
669 if (!ax88772a_hw_reset(dev, 1))
673 ax88772_restore_phy(dev);
676 static int asix_resume(struct usb_interface *intf)
678 struct usbnet *dev = usb_get_intfdata(intf);
679 struct asix_common_private *priv = dev->driver_priv;
681 if (priv && priv->resume)
684 return usbnet_resume(intf);
687 static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf)
690 u8 buf[ETH_ALEN] = {0}, chipcode = 0;
692 struct asix_common_private *priv;
694 usbnet_get_endpoints(dev,intf);
696 /* Get the MAC address */
697 if (dev->driver_info->data & FLAG_EEPROM_MAC) {
698 for (i = 0; i < (ETH_ALEN >> 1); i++) {
699 ret = asix_read_cmd(dev, AX_CMD_READ_EEPROM, 0x04 + i,
700 0, 2, buf + i * 2, 0);
705 ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID,
706 0, 0, ETH_ALEN, buf, 0);
710 netdev_dbg(dev->net, "Failed to read MAC address: %d\n", ret);
714 asix_set_netdev_dev_addr(dev, buf);
716 /* Initialize MII structure */
717 dev->mii.dev = dev->net;
718 dev->mii.mdio_read = asix_mdio_read;
719 dev->mii.mdio_write = asix_mdio_write;
720 dev->mii.phy_id_mask = 0x1f;
721 dev->mii.reg_num_mask = 0x1f;
722 dev->mii.phy_id = asix_get_phy_addr(dev);
724 dev->net->netdev_ops = &ax88772_netdev_ops;
725 dev->net->ethtool_ops = &ax88772_ethtool_ops;
726 dev->net->needed_headroom = 4; /* cf asix_tx_fixup() */
727 dev->net->needed_tailroom = 4; /* cf asix_tx_fixup() */
729 asix_read_cmd(dev, AX_CMD_STATMNGSTS_REG, 0, 0, 1, &chipcode, 0);
730 chipcode &= AX_CHIPCODE_MASK;
732 ret = (chipcode == AX_AX88772_CHIPCODE) ? ax88772_hw_reset(dev, 0) :
733 ax88772a_hw_reset(dev, 0);
736 netdev_dbg(dev->net, "Failed to reset AX88772: %d\n", ret);
740 /* Read PHYID register *AFTER* the PHY was reset properly */
741 phyid = asix_get_phyid(dev);
742 netdev_dbg(dev->net, "PHYID=0x%08x\n", phyid);
744 /* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
745 if (dev->driver_info->flags & FLAG_FRAMING_AX) {
746 /* hard_mtu is still the default - the device does not support
748 dev->rx_urb_size = 2048;
751 dev->driver_priv = kzalloc(sizeof(struct asix_common_private), GFP_KERNEL);
752 if (!dev->driver_priv)
755 priv = dev->driver_priv;
757 priv->presvd_phy_bmcr = 0;
758 priv->presvd_phy_advertise = 0;
759 if (chipcode == AX_AX88772_CHIPCODE) {
760 priv->resume = ax88772_resume;
761 priv->suspend = ax88772_suspend;
763 priv->resume = ax88772a_resume;
764 priv->suspend = ax88772_suspend;
770 static void ax88772_unbind(struct usbnet *dev, struct usb_interface *intf)
772 kfree(dev->driver_priv);
775 static const struct ethtool_ops ax88178_ethtool_ops = {
776 .get_drvinfo = asix_get_drvinfo,
777 .get_link = asix_get_link,
778 .get_msglevel = usbnet_get_msglevel,
779 .set_msglevel = usbnet_set_msglevel,
780 .get_wol = asix_get_wol,
781 .set_wol = asix_set_wol,
782 .get_eeprom_len = asix_get_eeprom_len,
783 .get_eeprom = asix_get_eeprom,
784 .set_eeprom = asix_set_eeprom,
785 .get_settings = usbnet_get_settings,
786 .set_settings = usbnet_set_settings,
787 .nway_reset = usbnet_nway_reset,
790 static int marvell_phy_init(struct usbnet *dev)
792 struct asix_data *data = (struct asix_data *)&dev->data;
795 netdev_dbg(dev->net, "marvell_phy_init()\n");
797 reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_MARVELL_STATUS);
798 netdev_dbg(dev->net, "MII_MARVELL_STATUS = 0x%04x\n", reg);
800 asix_mdio_write(dev->net, dev->mii.phy_id, MII_MARVELL_CTRL,
801 MARVELL_CTRL_RXDELAY | MARVELL_CTRL_TXDELAY);
804 reg = asix_mdio_read(dev->net, dev->mii.phy_id,
805 MII_MARVELL_LED_CTRL);
806 netdev_dbg(dev->net, "MII_MARVELL_LED_CTRL (1) = 0x%04x\n", reg);
810 asix_mdio_write(dev->net, dev->mii.phy_id,
811 MII_MARVELL_LED_CTRL, reg);
813 reg = asix_mdio_read(dev->net, dev->mii.phy_id,
814 MII_MARVELL_LED_CTRL);
815 netdev_dbg(dev->net, "MII_MARVELL_LED_CTRL (2) = 0x%04x\n", reg);
822 static int rtl8211cl_phy_init(struct usbnet *dev)
824 struct asix_data *data = (struct asix_data *)&dev->data;
826 netdev_dbg(dev->net, "rtl8211cl_phy_init()\n");
828 asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0x0005);
829 asix_mdio_write (dev->net, dev->mii.phy_id, 0x0c, 0);
830 asix_mdio_write (dev->net, dev->mii.phy_id, 0x01,
831 asix_mdio_read (dev->net, dev->mii.phy_id, 0x01) | 0x0080);
832 asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0);
834 if (data->ledmode == 12) {
835 asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0x0002);
836 asix_mdio_write (dev->net, dev->mii.phy_id, 0x1a, 0x00cb);
837 asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0);
843 static int marvell_led_status(struct usbnet *dev, u16 speed)
845 u16 reg = asix_mdio_read(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL);
847 netdev_dbg(dev->net, "marvell_led_status() read 0x%04x\n", reg);
849 /* Clear out the center LED bits - 0x03F0 */
863 netdev_dbg(dev->net, "marvell_led_status() writing 0x%04x\n", reg);
864 asix_mdio_write(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL, reg);
869 static int ax88178_reset(struct usbnet *dev)
871 struct asix_data *data = (struct asix_data *)&dev->data;
878 asix_read_cmd(dev, AX_CMD_READ_GPIOS, 0, 0, 1, &status, 0);
879 netdev_dbg(dev->net, "GPIO Status: 0x%04x\n", status);
881 asix_write_cmd(dev, AX_CMD_WRITE_ENABLE, 0, 0, 0, NULL, 0);
882 asix_read_cmd(dev, AX_CMD_READ_EEPROM, 0x0017, 0, 2, &eeprom, 0);
883 asix_write_cmd(dev, AX_CMD_WRITE_DISABLE, 0, 0, 0, NULL, 0);
885 netdev_dbg(dev->net, "EEPROM index 0x17 is 0x%04x\n", eeprom);
887 if (eeprom == cpu_to_le16(0xffff)) {
888 data->phymode = PHY_MODE_MARVELL;
892 data->phymode = le16_to_cpu(eeprom) & 0x7F;
893 data->ledmode = le16_to_cpu(eeprom) >> 8;
894 gpio0 = (le16_to_cpu(eeprom) & 0x80) ? 0 : 1;
896 netdev_dbg(dev->net, "GPIO0: %d, PhyMode: %d\n", gpio0, data->phymode);
898 /* Power up external GigaPHY through AX88178 GPIO pin */
899 asix_write_gpio(dev, AX_GPIO_RSE | AX_GPIO_GPO_1 |
900 AX_GPIO_GPO1EN, 40, 0);
901 if ((le16_to_cpu(eeprom) >> 8) != 1) {
902 asix_write_gpio(dev, 0x003c, 30, 0);
903 asix_write_gpio(dev, 0x001c, 300, 0);
904 asix_write_gpio(dev, 0x003c, 30, 0);
906 netdev_dbg(dev->net, "gpio phymode == 1 path\n");
907 asix_write_gpio(dev, AX_GPIO_GPO1EN, 30, 0);
908 asix_write_gpio(dev, AX_GPIO_GPO1EN | AX_GPIO_GPO_1, 30, 0);
911 /* Read PHYID register *AFTER* powering up PHY */
912 phyid = asix_get_phyid(dev);
913 netdev_dbg(dev->net, "PHYID=0x%08x\n", phyid);
915 /* Set AX88178 to enable MII/GMII/RGMII interface for external PHY */
916 asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, 0, 0, 0, NULL, 0);
918 asix_sw_reset(dev, 0, 0);
921 asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD, 0);
924 asix_write_rx_ctl(dev, 0, 0);
926 if (data->phymode == PHY_MODE_MARVELL) {
927 marvell_phy_init(dev);
929 } else if (data->phymode == PHY_MODE_RTL8211CL)
930 rtl8211cl_phy_init(dev);
932 asix_phy_reset(dev, BMCR_RESET | BMCR_ANENABLE);
933 asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
934 ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
935 asix_mdio_write(dev->net, dev->mii.phy_id, MII_CTRL1000,
938 asix_write_medium_mode(dev, AX88178_MEDIUM_DEFAULT, 0);
939 mii_nway_restart(&dev->mii);
941 /* Rewrite MAC address */
942 memcpy(data->mac_addr, dev->net->dev_addr, ETH_ALEN);
943 ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN,
948 ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, 0);
955 static int ax88178_link_reset(struct usbnet *dev)
958 struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
959 struct asix_data *data = (struct asix_data *)&dev->data;
962 netdev_dbg(dev->net, "ax88178_link_reset()\n");
964 mii_check_media(&dev->mii, 1, 1);
965 mii_ethtool_gset(&dev->mii, &ecmd);
966 mode = AX88178_MEDIUM_DEFAULT;
967 speed = ethtool_cmd_speed(&ecmd);
969 if (speed == SPEED_1000)
970 mode |= AX_MEDIUM_GM;
971 else if (speed == SPEED_100)
972 mode |= AX_MEDIUM_PS;
974 mode &= ~(AX_MEDIUM_PS | AX_MEDIUM_GM);
976 mode |= AX_MEDIUM_ENCK;
978 if (ecmd.duplex == DUPLEX_FULL)
979 mode |= AX_MEDIUM_FD;
981 mode &= ~AX_MEDIUM_FD;
983 netdev_dbg(dev->net, "ax88178_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
984 speed, ecmd.duplex, mode);
986 asix_write_medium_mode(dev, mode, 0);
988 if (data->phymode == PHY_MODE_MARVELL && data->ledmode)
989 marvell_led_status(dev, speed);
994 static void ax88178_set_mfb(struct usbnet *dev)
996 u16 mfb = AX_RX_CTL_MFB_16384;
999 int old_rx_urb_size = dev->rx_urb_size;
1001 if (dev->hard_mtu < 2048) {
1002 dev->rx_urb_size = 2048;
1003 mfb = AX_RX_CTL_MFB_2048;
1004 } else if (dev->hard_mtu < 4096) {
1005 dev->rx_urb_size = 4096;
1006 mfb = AX_RX_CTL_MFB_4096;
1007 } else if (dev->hard_mtu < 8192) {
1008 dev->rx_urb_size = 8192;
1009 mfb = AX_RX_CTL_MFB_8192;
1010 } else if (dev->hard_mtu < 16384) {
1011 dev->rx_urb_size = 16384;
1012 mfb = AX_RX_CTL_MFB_16384;
1015 rxctl = asix_read_rx_ctl(dev, 0);
1016 asix_write_rx_ctl(dev, (rxctl & ~AX_RX_CTL_MFB_16384) | mfb, 0);
1018 medium = asix_read_medium_status(dev, 0);
1019 if (dev->net->mtu > 1500)
1020 medium |= AX_MEDIUM_JFE;
1022 medium &= ~AX_MEDIUM_JFE;
1023 asix_write_medium_mode(dev, medium, 0);
1025 if (dev->rx_urb_size > old_rx_urb_size)
1026 usbnet_unlink_rx_urbs(dev);
1029 static int ax88178_change_mtu(struct net_device *net, int new_mtu)
1031 struct usbnet *dev = netdev_priv(net);
1032 int ll_mtu = new_mtu + net->hard_header_len + 4;
1034 netdev_dbg(dev->net, "ax88178_change_mtu() new_mtu=%d\n", new_mtu);
1036 if (new_mtu <= 0 || ll_mtu > 16384)
1039 if ((ll_mtu % dev->maxpacket) == 0)
1043 dev->hard_mtu = net->mtu + net->hard_header_len;
1044 ax88178_set_mfb(dev);
1046 /* max qlen depend on hard_mtu and rx_urb_size */
1047 usbnet_update_max_qlen(dev);
1052 static const struct net_device_ops ax88178_netdev_ops = {
1053 .ndo_open = usbnet_open,
1054 .ndo_stop = usbnet_stop,
1055 .ndo_start_xmit = usbnet_start_xmit,
1056 .ndo_tx_timeout = usbnet_tx_timeout,
1057 .ndo_set_mac_address = asix_set_mac_address,
1058 .ndo_validate_addr = eth_validate_addr,
1059 .ndo_set_rx_mode = asix_set_multicast,
1060 .ndo_do_ioctl = asix_ioctl,
1061 .ndo_change_mtu = ax88178_change_mtu,
1064 static int ax88178_bind(struct usbnet *dev, struct usb_interface *intf)
1067 u8 buf[ETH_ALEN] = {0};
1069 usbnet_get_endpoints(dev,intf);
1071 /* Get the MAC address */
1072 ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf, 0);
1074 netdev_dbg(dev->net, "Failed to read MAC address: %d\n", ret);
1078 asix_set_netdev_dev_addr(dev, buf);
1080 /* Initialize MII structure */
1081 dev->mii.dev = dev->net;
1082 dev->mii.mdio_read = asix_mdio_read;
1083 dev->mii.mdio_write = asix_mdio_write;
1084 dev->mii.phy_id_mask = 0x1f;
1085 dev->mii.reg_num_mask = 0xff;
1086 dev->mii.supports_gmii = 1;
1087 dev->mii.phy_id = asix_get_phy_addr(dev);
1089 dev->net->netdev_ops = &ax88178_netdev_ops;
1090 dev->net->ethtool_ops = &ax88178_ethtool_ops;
1092 /* Blink LEDS so users know driver saw dongle */
1093 asix_sw_reset(dev, 0, 0);
1096 asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD, 0);
1099 /* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
1100 if (dev->driver_info->flags & FLAG_FRAMING_AX) {
1101 /* hard_mtu is still the default - the device does not support
1103 dev->rx_urb_size = 2048;
1106 dev->driver_priv = kzalloc(sizeof(struct asix_common_private), GFP_KERNEL);
1107 if (!dev->driver_priv)
1113 static const struct driver_info ax8817x_info = {
1114 .description = "ASIX AX8817x USB 2.0 Ethernet",
1115 .bind = ax88172_bind,
1116 .status = asix_status,
1117 .link_reset = ax88172_link_reset,
1118 .reset = ax88172_link_reset,
1119 .flags = FLAG_ETHER | FLAG_LINK_INTR,
1123 static const struct driver_info dlink_dub_e100_info = {
1124 .description = "DLink DUB-E100 USB Ethernet",
1125 .bind = ax88172_bind,
1126 .status = asix_status,
1127 .link_reset = ax88172_link_reset,
1128 .reset = ax88172_link_reset,
1129 .flags = FLAG_ETHER | FLAG_LINK_INTR,
1133 static const struct driver_info netgear_fa120_info = {
1134 .description = "Netgear FA-120 USB Ethernet",
1135 .bind = ax88172_bind,
1136 .status = asix_status,
1137 .link_reset = ax88172_link_reset,
1138 .reset = ax88172_link_reset,
1139 .flags = FLAG_ETHER | FLAG_LINK_INTR,
1143 static const struct driver_info hawking_uf200_info = {
1144 .description = "Hawking UF200 USB Ethernet",
1145 .bind = ax88172_bind,
1146 .status = asix_status,
1147 .link_reset = ax88172_link_reset,
1148 .reset = ax88172_link_reset,
1149 .flags = FLAG_ETHER | FLAG_LINK_INTR,
1153 static const struct driver_info ax88772_info = {
1154 .description = "ASIX AX88772 USB 2.0 Ethernet",
1155 .bind = ax88772_bind,
1156 .unbind = ax88772_unbind,
1157 .status = asix_status,
1158 .link_reset = ax88772_link_reset,
1159 .reset = ax88772_reset,
1160 .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR | FLAG_MULTI_PACKET,
1161 .rx_fixup = asix_rx_fixup_common,
1162 .tx_fixup = asix_tx_fixup,
1165 static const struct driver_info ax88772b_info = {
1166 .description = "ASIX AX88772B USB 2.0 Ethernet",
1167 .bind = ax88772_bind,
1168 .unbind = ax88772_unbind,
1169 .status = asix_status,
1170 .link_reset = ax88772_link_reset,
1171 .reset = ax88772_reset,
1172 .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR |
1174 .rx_fixup = asix_rx_fixup_common,
1175 .tx_fixup = asix_tx_fixup,
1176 .data = FLAG_EEPROM_MAC,
1179 static const struct driver_info ax88178_info = {
1180 .description = "ASIX AX88178 USB 2.0 Ethernet",
1181 .bind = ax88178_bind,
1182 .unbind = ax88772_unbind,
1183 .status = asix_status,
1184 .link_reset = ax88178_link_reset,
1185 .reset = ax88178_reset,
1186 .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR |
1188 .rx_fixup = asix_rx_fixup_common,
1189 .tx_fixup = asix_tx_fixup,
1193 * USBLINK 20F9 "USB 2.0 LAN" USB ethernet adapter, typically found in
1194 * no-name packaging.
1195 * USB device strings are:
1196 * 1: Manufacturer: USBLINK
1197 * 2: Product: HG20F9 USB2.0
1199 * Appears to be compatible with Asix 88772B.
1201 static const struct driver_info hg20f9_info = {
1202 .description = "HG20F9 USB 2.0 Ethernet",
1203 .bind = ax88772_bind,
1204 .unbind = ax88772_unbind,
1205 .status = asix_status,
1206 .link_reset = ax88772_link_reset,
1207 .reset = ax88772_reset,
1208 .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR |
1210 .rx_fixup = asix_rx_fixup_common,
1211 .tx_fixup = asix_tx_fixup,
1212 .data = FLAG_EEPROM_MAC,
1215 static const struct usb_device_id products [] = {
1218 USB_DEVICE (0x077b, 0x2226),
1219 .driver_info = (unsigned long) &ax8817x_info,
1222 USB_DEVICE (0x0846, 0x1040),
1223 .driver_info = (unsigned long) &netgear_fa120_info,
1226 USB_DEVICE (0x2001, 0x1a00),
1227 .driver_info = (unsigned long) &dlink_dub_e100_info,
1229 // Intellinet, ST Lab USB Ethernet
1230 USB_DEVICE (0x0b95, 0x1720),
1231 .driver_info = (unsigned long) &ax8817x_info,
1233 // Hawking UF200, TrendNet TU2-ET100
1234 USB_DEVICE (0x07b8, 0x420a),
1235 .driver_info = (unsigned long) &hawking_uf200_info,
1237 // Billionton Systems, USB2AR
1238 USB_DEVICE (0x08dd, 0x90ff),
1239 .driver_info = (unsigned long) &ax8817x_info,
1241 // Billionton Systems, GUSB2AM-1G-B
1242 USB_DEVICE(0x08dd, 0x0114),
1243 .driver_info = (unsigned long) &ax88178_info,
1246 USB_DEVICE (0x0557, 0x2009),
1247 .driver_info = (unsigned long) &ax8817x_info,
1249 // Buffalo LUA-U2-KTX
1250 USB_DEVICE (0x0411, 0x003d),
1251 .driver_info = (unsigned long) &ax8817x_info,
1253 // Buffalo LUA-U2-GT 10/100/1000
1254 USB_DEVICE (0x0411, 0x006e),
1255 .driver_info = (unsigned long) &ax88178_info,
1257 // Sitecom LN-029 "USB 2.0 10/100 Ethernet adapter"
1258 USB_DEVICE (0x6189, 0x182d),
1259 .driver_info = (unsigned long) &ax8817x_info,
1261 // Sitecom LN-031 "USB 2.0 10/100/1000 Ethernet adapter"
1262 USB_DEVICE (0x0df6, 0x0056),
1263 .driver_info = (unsigned long) &ax88178_info,
1265 // Sitecom LN-028 "USB 2.0 10/100/1000 Ethernet adapter"
1266 USB_DEVICE (0x0df6, 0x061c),
1267 .driver_info = (unsigned long) &ax88178_info,
1269 // corega FEther USB2-TX
1270 USB_DEVICE (0x07aa, 0x0017),
1271 .driver_info = (unsigned long) &ax8817x_info,
1273 // Surecom EP-1427X-2
1274 USB_DEVICE (0x1189, 0x0893),
1275 .driver_info = (unsigned long) &ax8817x_info,
1277 // goodway corp usb gwusb2e
1278 USB_DEVICE (0x1631, 0x6200),
1279 .driver_info = (unsigned long) &ax8817x_info,
1281 // JVC MP-PRX1 Port Replicator
1282 USB_DEVICE (0x04f1, 0x3008),
1283 .driver_info = (unsigned long) &ax8817x_info,
1285 // Lenovo U2L100P 10/100
1286 USB_DEVICE (0x17ef, 0x7203),
1287 .driver_info = (unsigned long)&ax88772b_info,
1289 // ASIX AX88772B 10/100
1290 USB_DEVICE (0x0b95, 0x772b),
1291 .driver_info = (unsigned long) &ax88772b_info,
1293 // ASIX AX88772 10/100
1294 USB_DEVICE (0x0b95, 0x7720),
1295 .driver_info = (unsigned long) &ax88772_info,
1297 // ASIX AX88178 10/100/1000
1298 USB_DEVICE (0x0b95, 0x1780),
1299 .driver_info = (unsigned long) &ax88178_info,
1301 // Logitec LAN-GTJ/U2A
1302 USB_DEVICE (0x0789, 0x0160),
1303 .driver_info = (unsigned long) &ax88178_info,
1305 // Linksys USB200M Rev 2
1306 USB_DEVICE (0x13b1, 0x0018),
1307 .driver_info = (unsigned long) &ax88772_info,
1309 // 0Q0 cable ethernet
1310 USB_DEVICE (0x1557, 0x7720),
1311 .driver_info = (unsigned long) &ax88772_info,
1313 // DLink DUB-E100 H/W Ver B1
1314 USB_DEVICE (0x07d1, 0x3c05),
1315 .driver_info = (unsigned long) &ax88772_info,
1317 // DLink DUB-E100 H/W Ver B1 Alternate
1318 USB_DEVICE (0x2001, 0x3c05),
1319 .driver_info = (unsigned long) &ax88772_info,
1321 // DLink DUB-E100 H/W Ver C1
1322 USB_DEVICE (0x2001, 0x1a02),
1323 .driver_info = (unsigned long) &ax88772_info,
1326 USB_DEVICE (0x1737, 0x0039),
1327 .driver_info = (unsigned long) &ax88178_info,
1330 USB_DEVICE (0x04bb, 0x0930),
1331 .driver_info = (unsigned long) &ax88178_info,
1334 USB_DEVICE(0x050d, 0x5055),
1335 .driver_info = (unsigned long) &ax88178_info,
1337 // Apple USB Ethernet Adapter
1338 USB_DEVICE(0x05ac, 0x1402),
1339 .driver_info = (unsigned long) &ax88772_info,
1341 // Cables-to-Go USB Ethernet Adapter
1342 USB_DEVICE(0x0b95, 0x772a),
1343 .driver_info = (unsigned long) &ax88772_info,
1346 USB_DEVICE(0x14ea, 0xab11),
1347 .driver_info = (unsigned long) &ax88178_info,
1350 USB_DEVICE(0x0db0, 0xa877),
1351 .driver_info = (unsigned long) &ax88772_info,
1353 // Asus USB Ethernet Adapter
1354 USB_DEVICE (0x0b95, 0x7e2b),
1355 .driver_info = (unsigned long)&ax88772b_info,
1357 /* ASIX 88172a demo board */
1358 USB_DEVICE(0x0b95, 0x172a),
1359 .driver_info = (unsigned long) &ax88172a_info,
1362 * USBLINK HG20F9 "USB 2.0 LAN"
1363 * Appears to have gazumped Linksys's manufacturer ID but
1364 * doesn't (yet) conflict with any known Linksys product.
1366 USB_DEVICE(0x066b, 0x20f9),
1367 .driver_info = (unsigned long) &hg20f9_info,
1371 MODULE_DEVICE_TABLE(usb, products);
1373 static struct usb_driver asix_driver = {
1374 .name = DRIVER_NAME,
1375 .id_table = products,
1376 .probe = usbnet_probe,
1377 .suspend = asix_suspend,
1378 .resume = asix_resume,
1379 .reset_resume = asix_resume,
1380 .disconnect = usbnet_disconnect,
1381 .supports_autosuspend = 1,
1382 .disable_hub_initiated_lpm = 1,
1385 module_usb_driver(asix_driver);
1387 MODULE_AUTHOR("David Hollis");
1388 MODULE_VERSION(DRIVER_VERSION);
1389 MODULE_DESCRIPTION("ASIX AX8817X based USB 2.0 Ethernet Devices");
1390 MODULE_LICENSE("GPL");