1 /* 2 * ASIX AX8817X based USB 2.0 Ethernet Devices 3 * Copyright (C) 2003-2006 David Hollis <dhollis@davehollis.com> 4 * Copyright (C) 2005 Phil Chang <pchang23@sbcglobal.net> 5 * Copyright (C) 2006 James Painter <jamie.painter@iname.com> 6 * Copyright (c) 2002-2003 TiVo Inc. 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, see <http://www.gnu.org/licenses/>. 20 */ 21 22 #include "asix.h" 23 24 #define PHY_MODE_MARVELL 0x0000 25 #define MII_MARVELL_LED_CTRL 0x0018 26 #define MII_MARVELL_STATUS 0x001b 27 #define MII_MARVELL_CTRL 0x0014 28 29 #define MARVELL_LED_MANUAL 0x0019 30 31 #define MARVELL_STATUS_HWCFG 0x0004 32 33 #define MARVELL_CTRL_TXDELAY 0x0002 34 #define MARVELL_CTRL_RXDELAY 0x0080 35 36 #define PHY_MODE_RTL8211CL 0x000C 37 38 struct ax88172_int_data { 39 __le16 res1; 40 u8 link; 41 __le16 res2; 42 u8 status; 43 __le16 res3; 44 } __packed; 45 46 static void asix_status(struct usbnet *dev, struct urb *urb) 47 { 48 struct ax88172_int_data *event; 49 int link; 50 51 if (urb->actual_length < 8) 52 return; 53 54 event = urb->transfer_buffer; 55 link = event->link & 0x01; 56 if (netif_carrier_ok(dev->net) != link) { 57 usbnet_link_change(dev, link, 1); 58 netdev_dbg(dev->net, "Link Status is: %d\n", link); 59 } 60 } 61 62 static void asix_set_netdev_dev_addr(struct usbnet *dev, u8 *addr) 63 { 64 if (is_valid_ether_addr(addr)) { 65 memcpy(dev->net->dev_addr, addr, ETH_ALEN); 66 } else { 67 netdev_info(dev->net, "invalid hw address, using random\n"); 68 eth_hw_addr_random(dev->net); 69 } 70 } 71 72 /* Get the PHY Identifier from the PHYSID1 & PHYSID2 MII registers */ 73 static u32 asix_get_phyid(struct usbnet *dev) 74 { 75 int phy_reg; 76 u32 phy_id; 77 int i; 78 79 /* Poll for the rare case the FW or phy isn't ready yet. */ 80 for (i = 0; i < 100; i++) { 81 phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID1); 82 if (phy_reg != 0 && phy_reg != 0xFFFF) 83 break; 84 mdelay(1); 85 } 86 87 if (phy_reg <= 0 || phy_reg == 0xFFFF) 88 return 0; 89 90 phy_id = (phy_reg & 0xffff) << 16; 91 92 phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID2); 93 if (phy_reg < 0) 94 return 0; 95 96 phy_id |= (phy_reg & 0xffff); 97 98 return phy_id; 99 } 100 101 static u32 asix_get_link(struct net_device *net) 102 { 103 struct usbnet *dev = netdev_priv(net); 104 105 return mii_link_ok(&dev->mii); 106 } 107 108 static int asix_ioctl (struct net_device *net, struct ifreq *rq, int cmd) 109 { 110 struct usbnet *dev = netdev_priv(net); 111 112 return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL); 113 } 114 115 /* We need to override some ethtool_ops so we require our 116 own structure so we don't interfere with other usbnet 117 devices that may be connected at the same time. */ 118 static const struct ethtool_ops ax88172_ethtool_ops = { 119 .get_drvinfo = asix_get_drvinfo, 120 .get_link = asix_get_link, 121 .get_msglevel = usbnet_get_msglevel, 122 .set_msglevel = usbnet_set_msglevel, 123 .get_wol = asix_get_wol, 124 .set_wol = asix_set_wol, 125 .get_eeprom_len = asix_get_eeprom_len, 126 .get_eeprom = asix_get_eeprom, 127 .set_eeprom = asix_set_eeprom, 128 .get_settings = usbnet_get_settings, 129 .set_settings = usbnet_set_settings, 130 .nway_reset = usbnet_nway_reset, 131 }; 132 133 static void ax88172_set_multicast(struct net_device *net) 134 { 135 struct usbnet *dev = netdev_priv(net); 136 struct asix_data *data = (struct asix_data *)&dev->data; 137 u8 rx_ctl = 0x8c; 138 139 if (net->flags & IFF_PROMISC) { 140 rx_ctl |= 0x01; 141 } else if (net->flags & IFF_ALLMULTI || 142 netdev_mc_count(net) > AX_MAX_MCAST) { 143 rx_ctl |= 0x02; 144 } else if (netdev_mc_empty(net)) { 145 /* just broadcast and directed */ 146 } else { 147 /* We use the 20 byte dev->data 148 * for our 8 byte filter buffer 149 * to avoid allocating memory that 150 * is tricky to free later */ 151 struct netdev_hw_addr *ha; 152 u32 crc_bits; 153 154 memset(data->multi_filter, 0, AX_MCAST_FILTER_SIZE); 155 156 /* Build the multicast hash filter. */ 157 netdev_for_each_mc_addr(ha, net) { 158 crc_bits = ether_crc(ETH_ALEN, ha->addr) >> 26; 159 data->multi_filter[crc_bits >> 3] |= 160 1 << (crc_bits & 7); 161 } 162 163 asix_write_cmd_async(dev, AX_CMD_WRITE_MULTI_FILTER, 0, 0, 164 AX_MCAST_FILTER_SIZE, data->multi_filter); 165 166 rx_ctl |= 0x10; 167 } 168 169 asix_write_cmd_async(dev, AX_CMD_WRITE_RX_CTL, rx_ctl, 0, 0, NULL); 170 } 171 172 static int ax88172_link_reset(struct usbnet *dev) 173 { 174 u8 mode; 175 struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET }; 176 177 mii_check_media(&dev->mii, 1, 1); 178 mii_ethtool_gset(&dev->mii, &ecmd); 179 mode = AX88172_MEDIUM_DEFAULT; 180 181 if (ecmd.duplex != DUPLEX_FULL) 182 mode |= ~AX88172_MEDIUM_FD; 183 184 netdev_dbg(dev->net, "ax88172_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n", 185 ethtool_cmd_speed(&ecmd), ecmd.duplex, mode); 186 187 asix_write_medium_mode(dev, mode); 188 189 return 0; 190 } 191 192 static const struct net_device_ops ax88172_netdev_ops = { 193 .ndo_open = usbnet_open, 194 .ndo_stop = usbnet_stop, 195 .ndo_start_xmit = usbnet_start_xmit, 196 .ndo_tx_timeout = usbnet_tx_timeout, 197 .ndo_change_mtu = usbnet_change_mtu, 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 int ax88172_bind(struct usbnet *dev, struct usb_interface *intf) 205 { 206 int ret = 0; 207 u8 buf[ETH_ALEN]; 208 int i; 209 unsigned long gpio_bits = dev->driver_info->data; 210 211 usbnet_get_endpoints(dev,intf); 212 213 /* Toggle the GPIOs in a manufacturer/model specific way */ 214 for (i = 2; i >= 0; i--) { 215 ret = asix_write_cmd(dev, AX_CMD_WRITE_GPIOS, 216 (gpio_bits >> (i * 8)) & 0xff, 0, 0, NULL); 217 if (ret < 0) 218 goto out; 219 msleep(5); 220 } 221 222 ret = asix_write_rx_ctl(dev, 0x80); 223 if (ret < 0) 224 goto out; 225 226 /* Get the MAC address */ 227 ret = asix_read_cmd(dev, AX88172_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf); 228 if (ret < 0) { 229 netdev_dbg(dev->net, "read AX_CMD_READ_NODE_ID failed: %d\n", 230 ret); 231 goto out; 232 } 233 234 asix_set_netdev_dev_addr(dev, buf); 235 236 /* Initialize MII structure */ 237 dev->mii.dev = dev->net; 238 dev->mii.mdio_read = asix_mdio_read; 239 dev->mii.mdio_write = asix_mdio_write; 240 dev->mii.phy_id_mask = 0x3f; 241 dev->mii.reg_num_mask = 0x1f; 242 dev->mii.phy_id = asix_get_phy_addr(dev); 243 244 dev->net->netdev_ops = &ax88172_netdev_ops; 245 dev->net->ethtool_ops = &ax88172_ethtool_ops; 246 dev->net->needed_headroom = 4; /* cf asix_tx_fixup() */ 247 dev->net->needed_tailroom = 4; /* cf asix_tx_fixup() */ 248 249 asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET); 250 asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE, 251 ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP); 252 mii_nway_restart(&dev->mii); 253 254 return 0; 255 256 out: 257 return ret; 258 } 259 260 static const struct ethtool_ops ax88772_ethtool_ops = { 261 .get_drvinfo = asix_get_drvinfo, 262 .get_link = asix_get_link, 263 .get_msglevel = usbnet_get_msglevel, 264 .set_msglevel = usbnet_set_msglevel, 265 .get_wol = asix_get_wol, 266 .set_wol = asix_set_wol, 267 .get_eeprom_len = asix_get_eeprom_len, 268 .get_eeprom = asix_get_eeprom, 269 .set_eeprom = asix_set_eeprom, 270 .get_settings = usbnet_get_settings, 271 .set_settings = usbnet_set_settings, 272 .nway_reset = usbnet_nway_reset, 273 }; 274 275 static int ax88772_link_reset(struct usbnet *dev) 276 { 277 u16 mode; 278 struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET }; 279 280 mii_check_media(&dev->mii, 1, 1); 281 mii_ethtool_gset(&dev->mii, &ecmd); 282 mode = AX88772_MEDIUM_DEFAULT; 283 284 if (ethtool_cmd_speed(&ecmd) != SPEED_100) 285 mode &= ~AX_MEDIUM_PS; 286 287 if (ecmd.duplex != DUPLEX_FULL) 288 mode &= ~AX_MEDIUM_FD; 289 290 netdev_dbg(dev->net, "ax88772_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n", 291 ethtool_cmd_speed(&ecmd), ecmd.duplex, mode); 292 293 asix_write_medium_mode(dev, mode); 294 295 return 0; 296 } 297 298 static int ax88772_reset(struct usbnet *dev) 299 { 300 struct asix_data *data = (struct asix_data *)&dev->data; 301 int ret, embd_phy; 302 u16 rx_ctl; 303 304 ret = asix_write_gpio(dev, 305 AX_GPIO_RSE | AX_GPIO_GPO_2 | AX_GPIO_GPO2EN, 5); 306 if (ret < 0) 307 goto out; 308 309 embd_phy = ((asix_get_phy_addr(dev) & 0x1f) == 0x10 ? 1 : 0); 310 311 ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, embd_phy, 0, 0, NULL); 312 if (ret < 0) { 313 netdev_dbg(dev->net, "Select PHY #1 failed: %d\n", ret); 314 goto out; 315 } 316 317 ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_PRL); 318 if (ret < 0) 319 goto out; 320 321 msleep(150); 322 323 ret = asix_sw_reset(dev, AX_SWRESET_CLEAR); 324 if (ret < 0) 325 goto out; 326 327 msleep(150); 328 329 if (embd_phy) { 330 ret = asix_sw_reset(dev, AX_SWRESET_IPRL); 331 if (ret < 0) 332 goto out; 333 } else { 334 ret = asix_sw_reset(dev, AX_SWRESET_PRTE); 335 if (ret < 0) 336 goto out; 337 } 338 339 msleep(150); 340 rx_ctl = asix_read_rx_ctl(dev); 341 netdev_dbg(dev->net, "RX_CTL is 0x%04x after software reset\n", rx_ctl); 342 ret = asix_write_rx_ctl(dev, 0x0000); 343 if (ret < 0) 344 goto out; 345 346 rx_ctl = asix_read_rx_ctl(dev); 347 netdev_dbg(dev->net, "RX_CTL is 0x%04x setting to 0x0000\n", rx_ctl); 348 349 ret = asix_sw_reset(dev, AX_SWRESET_PRL); 350 if (ret < 0) 351 goto out; 352 353 msleep(150); 354 355 ret = asix_sw_reset(dev, AX_SWRESET_IPRL | AX_SWRESET_PRL); 356 if (ret < 0) 357 goto out; 358 359 msleep(150); 360 361 asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET); 362 asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE, 363 ADVERTISE_ALL | ADVERTISE_CSMA); 364 mii_nway_restart(&dev->mii); 365 366 ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT); 367 if (ret < 0) 368 goto out; 369 370 ret = asix_write_cmd(dev, AX_CMD_WRITE_IPG0, 371 AX88772_IPG0_DEFAULT | AX88772_IPG1_DEFAULT, 372 AX88772_IPG2_DEFAULT, 0, NULL); 373 if (ret < 0) { 374 netdev_dbg(dev->net, "Write IPG,IPG1,IPG2 failed: %d\n", ret); 375 goto out; 376 } 377 378 /* Rewrite MAC address */ 379 memcpy(data->mac_addr, dev->net->dev_addr, ETH_ALEN); 380 ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN, 381 data->mac_addr); 382 if (ret < 0) 383 goto out; 384 385 /* Set RX_CTL to default values with 2k buffer, and enable cactus */ 386 ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL); 387 if (ret < 0) 388 goto out; 389 390 rx_ctl = asix_read_rx_ctl(dev); 391 netdev_dbg(dev->net, "RX_CTL is 0x%04x after all initializations\n", 392 rx_ctl); 393 394 rx_ctl = asix_read_medium_status(dev); 395 netdev_dbg(dev->net, 396 "Medium Status is 0x%04x after all initializations\n", 397 rx_ctl); 398 399 return 0; 400 401 out: 402 return ret; 403 404 } 405 406 static const struct net_device_ops ax88772_netdev_ops = { 407 .ndo_open = usbnet_open, 408 .ndo_stop = usbnet_stop, 409 .ndo_start_xmit = usbnet_start_xmit, 410 .ndo_tx_timeout = usbnet_tx_timeout, 411 .ndo_change_mtu = usbnet_change_mtu, 412 .ndo_set_mac_address = asix_set_mac_address, 413 .ndo_validate_addr = eth_validate_addr, 414 .ndo_do_ioctl = asix_ioctl, 415 .ndo_set_rx_mode = asix_set_multicast, 416 }; 417 418 static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf) 419 { 420 int ret, embd_phy, i; 421 u8 buf[ETH_ALEN]; 422 u32 phyid; 423 424 usbnet_get_endpoints(dev,intf); 425 426 /* Get the MAC address */ 427 if (dev->driver_info->data & FLAG_EEPROM_MAC) { 428 for (i = 0; i < (ETH_ALEN >> 1); i++) { 429 ret = asix_read_cmd(dev, AX_CMD_READ_EEPROM, 0x04 + i, 430 0, 2, buf + i * 2); 431 if (ret < 0) 432 break; 433 } 434 } else { 435 ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID, 436 0, 0, ETH_ALEN, buf); 437 } 438 439 if (ret < 0) { 440 netdev_dbg(dev->net, "Failed to read MAC address: %d\n", ret); 441 return ret; 442 } 443 444 asix_set_netdev_dev_addr(dev, buf); 445 446 /* Initialize MII structure */ 447 dev->mii.dev = dev->net; 448 dev->mii.mdio_read = asix_mdio_read; 449 dev->mii.mdio_write = asix_mdio_write; 450 dev->mii.phy_id_mask = 0x1f; 451 dev->mii.reg_num_mask = 0x1f; 452 dev->mii.phy_id = asix_get_phy_addr(dev); 453 454 dev->net->netdev_ops = &ax88772_netdev_ops; 455 dev->net->ethtool_ops = &ax88772_ethtool_ops; 456 dev->net->needed_headroom = 4; /* cf asix_tx_fixup() */ 457 dev->net->needed_tailroom = 4; /* cf asix_tx_fixup() */ 458 459 embd_phy = ((dev->mii.phy_id & 0x1f) == 0x10 ? 1 : 0); 460 461 /* Reset the PHY to normal operation mode */ 462 ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, embd_phy, 0, 0, NULL); 463 if (ret < 0) { 464 netdev_dbg(dev->net, "Select PHY #1 failed: %d\n", ret); 465 return ret; 466 } 467 468 ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_PRL); 469 if (ret < 0) 470 return ret; 471 472 msleep(150); 473 474 ret = asix_sw_reset(dev, AX_SWRESET_CLEAR); 475 if (ret < 0) 476 return ret; 477 478 msleep(150); 479 480 ret = asix_sw_reset(dev, embd_phy ? AX_SWRESET_IPRL : AX_SWRESET_PRTE); 481 482 /* Read PHYID register *AFTER* the PHY was reset properly */ 483 phyid = asix_get_phyid(dev); 484 netdev_dbg(dev->net, "PHYID=0x%08x\n", phyid); 485 486 /* Asix framing packs multiple eth frames into a 2K usb bulk transfer */ 487 if (dev->driver_info->flags & FLAG_FRAMING_AX) { 488 /* hard_mtu is still the default - the device does not support 489 jumbo eth frames */ 490 dev->rx_urb_size = 2048; 491 } 492 493 dev->driver_priv = kzalloc(sizeof(struct asix_common_private), GFP_KERNEL); 494 if (!dev->driver_priv) 495 return -ENOMEM; 496 497 return 0; 498 } 499 500 static void ax88772_unbind(struct usbnet *dev, struct usb_interface *intf) 501 { 502 if (dev->driver_priv) 503 kfree(dev->driver_priv); 504 } 505 506 static const struct ethtool_ops ax88178_ethtool_ops = { 507 .get_drvinfo = asix_get_drvinfo, 508 .get_link = asix_get_link, 509 .get_msglevel = usbnet_get_msglevel, 510 .set_msglevel = usbnet_set_msglevel, 511 .get_wol = asix_get_wol, 512 .set_wol = asix_set_wol, 513 .get_eeprom_len = asix_get_eeprom_len, 514 .get_eeprom = asix_get_eeprom, 515 .set_eeprom = asix_set_eeprom, 516 .get_settings = usbnet_get_settings, 517 .set_settings = usbnet_set_settings, 518 .nway_reset = usbnet_nway_reset, 519 }; 520 521 static int marvell_phy_init(struct usbnet *dev) 522 { 523 struct asix_data *data = (struct asix_data *)&dev->data; 524 u16 reg; 525 526 netdev_dbg(dev->net, "marvell_phy_init()\n"); 527 528 reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_MARVELL_STATUS); 529 netdev_dbg(dev->net, "MII_MARVELL_STATUS = 0x%04x\n", reg); 530 531 asix_mdio_write(dev->net, dev->mii.phy_id, MII_MARVELL_CTRL, 532 MARVELL_CTRL_RXDELAY | MARVELL_CTRL_TXDELAY); 533 534 if (data->ledmode) { 535 reg = asix_mdio_read(dev->net, dev->mii.phy_id, 536 MII_MARVELL_LED_CTRL); 537 netdev_dbg(dev->net, "MII_MARVELL_LED_CTRL (1) = 0x%04x\n", reg); 538 539 reg &= 0xf8ff; 540 reg |= (1 + 0x0100); 541 asix_mdio_write(dev->net, dev->mii.phy_id, 542 MII_MARVELL_LED_CTRL, reg); 543 544 reg = asix_mdio_read(dev->net, dev->mii.phy_id, 545 MII_MARVELL_LED_CTRL); 546 netdev_dbg(dev->net, "MII_MARVELL_LED_CTRL (2) = 0x%04x\n", reg); 547 reg &= 0xfc0f; 548 } 549 550 return 0; 551 } 552 553 static int rtl8211cl_phy_init(struct usbnet *dev) 554 { 555 struct asix_data *data = (struct asix_data *)&dev->data; 556 557 netdev_dbg(dev->net, "rtl8211cl_phy_init()\n"); 558 559 asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0x0005); 560 asix_mdio_write (dev->net, dev->mii.phy_id, 0x0c, 0); 561 asix_mdio_write (dev->net, dev->mii.phy_id, 0x01, 562 asix_mdio_read (dev->net, dev->mii.phy_id, 0x01) | 0x0080); 563 asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0); 564 565 if (data->ledmode == 12) { 566 asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0x0002); 567 asix_mdio_write (dev->net, dev->mii.phy_id, 0x1a, 0x00cb); 568 asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0); 569 } 570 571 return 0; 572 } 573 574 static int marvell_led_status(struct usbnet *dev, u16 speed) 575 { 576 u16 reg = asix_mdio_read(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL); 577 578 netdev_dbg(dev->net, "marvell_led_status() read 0x%04x\n", reg); 579 580 /* Clear out the center LED bits - 0x03F0 */ 581 reg &= 0xfc0f; 582 583 switch (speed) { 584 case SPEED_1000: 585 reg |= 0x03e0; 586 break; 587 case SPEED_100: 588 reg |= 0x03b0; 589 break; 590 default: 591 reg |= 0x02f0; 592 } 593 594 netdev_dbg(dev->net, "marvell_led_status() writing 0x%04x\n", reg); 595 asix_mdio_write(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL, reg); 596 597 return 0; 598 } 599 600 static int ax88178_reset(struct usbnet *dev) 601 { 602 struct asix_data *data = (struct asix_data *)&dev->data; 603 int ret; 604 __le16 eeprom; 605 u8 status; 606 int gpio0 = 0; 607 u32 phyid; 608 609 asix_read_cmd(dev, AX_CMD_READ_GPIOS, 0, 0, 1, &status); 610 netdev_dbg(dev->net, "GPIO Status: 0x%04x\n", status); 611 612 asix_write_cmd(dev, AX_CMD_WRITE_ENABLE, 0, 0, 0, NULL); 613 asix_read_cmd(dev, AX_CMD_READ_EEPROM, 0x0017, 0, 2, &eeprom); 614 asix_write_cmd(dev, AX_CMD_WRITE_DISABLE, 0, 0, 0, NULL); 615 616 netdev_dbg(dev->net, "EEPROM index 0x17 is 0x%04x\n", eeprom); 617 618 if (eeprom == cpu_to_le16(0xffff)) { 619 data->phymode = PHY_MODE_MARVELL; 620 data->ledmode = 0; 621 gpio0 = 1; 622 } else { 623 data->phymode = le16_to_cpu(eeprom) & 0x7F; 624 data->ledmode = le16_to_cpu(eeprom) >> 8; 625 gpio0 = (le16_to_cpu(eeprom) & 0x80) ? 0 : 1; 626 } 627 netdev_dbg(dev->net, "GPIO0: %d, PhyMode: %d\n", gpio0, data->phymode); 628 629 /* Power up external GigaPHY through AX88178 GPIO pin */ 630 asix_write_gpio(dev, AX_GPIO_RSE | AX_GPIO_GPO_1 | AX_GPIO_GPO1EN, 40); 631 if ((le16_to_cpu(eeprom) >> 8) != 1) { 632 asix_write_gpio(dev, 0x003c, 30); 633 asix_write_gpio(dev, 0x001c, 300); 634 asix_write_gpio(dev, 0x003c, 30); 635 } else { 636 netdev_dbg(dev->net, "gpio phymode == 1 path\n"); 637 asix_write_gpio(dev, AX_GPIO_GPO1EN, 30); 638 asix_write_gpio(dev, AX_GPIO_GPO1EN | AX_GPIO_GPO_1, 30); 639 } 640 641 /* Read PHYID register *AFTER* powering up PHY */ 642 phyid = asix_get_phyid(dev); 643 netdev_dbg(dev->net, "PHYID=0x%08x\n", phyid); 644 645 /* Set AX88178 to enable MII/GMII/RGMII interface for external PHY */ 646 asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, 0, 0, 0, NULL); 647 648 asix_sw_reset(dev, 0); 649 msleep(150); 650 651 asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD); 652 msleep(150); 653 654 asix_write_rx_ctl(dev, 0); 655 656 if (data->phymode == PHY_MODE_MARVELL) { 657 marvell_phy_init(dev); 658 msleep(60); 659 } else if (data->phymode == PHY_MODE_RTL8211CL) 660 rtl8211cl_phy_init(dev); 661 662 asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, 663 BMCR_RESET | BMCR_ANENABLE); 664 asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE, 665 ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP); 666 asix_mdio_write(dev->net, dev->mii.phy_id, MII_CTRL1000, 667 ADVERTISE_1000FULL); 668 669 mii_nway_restart(&dev->mii); 670 671 ret = asix_write_medium_mode(dev, AX88178_MEDIUM_DEFAULT); 672 if (ret < 0) 673 return ret; 674 675 /* Rewrite MAC address */ 676 memcpy(data->mac_addr, dev->net->dev_addr, ETH_ALEN); 677 ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN, 678 data->mac_addr); 679 if (ret < 0) 680 return ret; 681 682 ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL); 683 if (ret < 0) 684 return ret; 685 686 return 0; 687 } 688 689 static int ax88178_link_reset(struct usbnet *dev) 690 { 691 u16 mode; 692 struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET }; 693 struct asix_data *data = (struct asix_data *)&dev->data; 694 u32 speed; 695 696 netdev_dbg(dev->net, "ax88178_link_reset()\n"); 697 698 mii_check_media(&dev->mii, 1, 1); 699 mii_ethtool_gset(&dev->mii, &ecmd); 700 mode = AX88178_MEDIUM_DEFAULT; 701 speed = ethtool_cmd_speed(&ecmd); 702 703 if (speed == SPEED_1000) 704 mode |= AX_MEDIUM_GM; 705 else if (speed == SPEED_100) 706 mode |= AX_MEDIUM_PS; 707 else 708 mode &= ~(AX_MEDIUM_PS | AX_MEDIUM_GM); 709 710 mode |= AX_MEDIUM_ENCK; 711 712 if (ecmd.duplex == DUPLEX_FULL) 713 mode |= AX_MEDIUM_FD; 714 else 715 mode &= ~AX_MEDIUM_FD; 716 717 netdev_dbg(dev->net, "ax88178_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n", 718 speed, ecmd.duplex, mode); 719 720 asix_write_medium_mode(dev, mode); 721 722 if (data->phymode == PHY_MODE_MARVELL && data->ledmode) 723 marvell_led_status(dev, speed); 724 725 return 0; 726 } 727 728 static void ax88178_set_mfb(struct usbnet *dev) 729 { 730 u16 mfb = AX_RX_CTL_MFB_16384; 731 u16 rxctl; 732 u16 medium; 733 int old_rx_urb_size = dev->rx_urb_size; 734 735 if (dev->hard_mtu < 2048) { 736 dev->rx_urb_size = 2048; 737 mfb = AX_RX_CTL_MFB_2048; 738 } else if (dev->hard_mtu < 4096) { 739 dev->rx_urb_size = 4096; 740 mfb = AX_RX_CTL_MFB_4096; 741 } else if (dev->hard_mtu < 8192) { 742 dev->rx_urb_size = 8192; 743 mfb = AX_RX_CTL_MFB_8192; 744 } else if (dev->hard_mtu < 16384) { 745 dev->rx_urb_size = 16384; 746 mfb = AX_RX_CTL_MFB_16384; 747 } 748 749 rxctl = asix_read_rx_ctl(dev); 750 asix_write_rx_ctl(dev, (rxctl & ~AX_RX_CTL_MFB_16384) | mfb); 751 752 medium = asix_read_medium_status(dev); 753 if (dev->net->mtu > 1500) 754 medium |= AX_MEDIUM_JFE; 755 else 756 medium &= ~AX_MEDIUM_JFE; 757 asix_write_medium_mode(dev, medium); 758 759 if (dev->rx_urb_size > old_rx_urb_size) 760 usbnet_unlink_rx_urbs(dev); 761 } 762 763 static int ax88178_change_mtu(struct net_device *net, int new_mtu) 764 { 765 struct usbnet *dev = netdev_priv(net); 766 int ll_mtu = new_mtu + net->hard_header_len + 4; 767 768 netdev_dbg(dev->net, "ax88178_change_mtu() new_mtu=%d\n", new_mtu); 769 770 if (new_mtu <= 0 || ll_mtu > 16384) 771 return -EINVAL; 772 773 if ((ll_mtu % dev->maxpacket) == 0) 774 return -EDOM; 775 776 net->mtu = new_mtu; 777 dev->hard_mtu = net->mtu + net->hard_header_len; 778 ax88178_set_mfb(dev); 779 780 /* max qlen depend on hard_mtu and rx_urb_size */ 781 usbnet_update_max_qlen(dev); 782 783 return 0; 784 } 785 786 static const struct net_device_ops ax88178_netdev_ops = { 787 .ndo_open = usbnet_open, 788 .ndo_stop = usbnet_stop, 789 .ndo_start_xmit = usbnet_start_xmit, 790 .ndo_tx_timeout = usbnet_tx_timeout, 791 .ndo_set_mac_address = asix_set_mac_address, 792 .ndo_validate_addr = eth_validate_addr, 793 .ndo_set_rx_mode = asix_set_multicast, 794 .ndo_do_ioctl = asix_ioctl, 795 .ndo_change_mtu = ax88178_change_mtu, 796 }; 797 798 static int ax88178_bind(struct usbnet *dev, struct usb_interface *intf) 799 { 800 int ret; 801 u8 buf[ETH_ALEN]; 802 803 usbnet_get_endpoints(dev,intf); 804 805 /* Get the MAC address */ 806 ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf); 807 if (ret < 0) { 808 netdev_dbg(dev->net, "Failed to read MAC address: %d\n", ret); 809 return ret; 810 } 811 812 asix_set_netdev_dev_addr(dev, buf); 813 814 /* Initialize MII structure */ 815 dev->mii.dev = dev->net; 816 dev->mii.mdio_read = asix_mdio_read; 817 dev->mii.mdio_write = asix_mdio_write; 818 dev->mii.phy_id_mask = 0x1f; 819 dev->mii.reg_num_mask = 0xff; 820 dev->mii.supports_gmii = 1; 821 dev->mii.phy_id = asix_get_phy_addr(dev); 822 823 dev->net->netdev_ops = &ax88178_netdev_ops; 824 dev->net->ethtool_ops = &ax88178_ethtool_ops; 825 826 /* Blink LEDS so users know driver saw dongle */ 827 asix_sw_reset(dev, 0); 828 msleep(150); 829 830 asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD); 831 msleep(150); 832 833 /* Asix framing packs multiple eth frames into a 2K usb bulk transfer */ 834 if (dev->driver_info->flags & FLAG_FRAMING_AX) { 835 /* hard_mtu is still the default - the device does not support 836 jumbo eth frames */ 837 dev->rx_urb_size = 2048; 838 } 839 840 dev->driver_priv = kzalloc(sizeof(struct asix_common_private), GFP_KERNEL); 841 if (!dev->driver_priv) 842 return -ENOMEM; 843 844 return 0; 845 } 846 847 static const struct driver_info ax8817x_info = { 848 .description = "ASIX AX8817x USB 2.0 Ethernet", 849 .bind = ax88172_bind, 850 .status = asix_status, 851 .link_reset = ax88172_link_reset, 852 .reset = ax88172_link_reset, 853 .flags = FLAG_ETHER | FLAG_LINK_INTR, 854 .data = 0x00130103, 855 }; 856 857 static const struct driver_info dlink_dub_e100_info = { 858 .description = "DLink DUB-E100 USB Ethernet", 859 .bind = ax88172_bind, 860 .status = asix_status, 861 .link_reset = ax88172_link_reset, 862 .reset = ax88172_link_reset, 863 .flags = FLAG_ETHER | FLAG_LINK_INTR, 864 .data = 0x009f9d9f, 865 }; 866 867 static const struct driver_info netgear_fa120_info = { 868 .description = "Netgear FA-120 USB Ethernet", 869 .bind = ax88172_bind, 870 .status = asix_status, 871 .link_reset = ax88172_link_reset, 872 .reset = ax88172_link_reset, 873 .flags = FLAG_ETHER | FLAG_LINK_INTR, 874 .data = 0x00130103, 875 }; 876 877 static const struct driver_info hawking_uf200_info = { 878 .description = "Hawking UF200 USB Ethernet", 879 .bind = ax88172_bind, 880 .status = asix_status, 881 .link_reset = ax88172_link_reset, 882 .reset = ax88172_link_reset, 883 .flags = FLAG_ETHER | FLAG_LINK_INTR, 884 .data = 0x001f1d1f, 885 }; 886 887 static const struct driver_info ax88772_info = { 888 .description = "ASIX AX88772 USB 2.0 Ethernet", 889 .bind = ax88772_bind, 890 .unbind = ax88772_unbind, 891 .status = asix_status, 892 .link_reset = ax88772_link_reset, 893 .reset = ax88772_reset, 894 .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR | FLAG_MULTI_PACKET, 895 .rx_fixup = asix_rx_fixup_common, 896 .tx_fixup = asix_tx_fixup, 897 }; 898 899 static const struct driver_info ax88772b_info = { 900 .description = "ASIX AX88772B USB 2.0 Ethernet", 901 .bind = ax88772_bind, 902 .unbind = ax88772_unbind, 903 .status = asix_status, 904 .link_reset = ax88772_link_reset, 905 .reset = ax88772_reset, 906 .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR | 907 FLAG_MULTI_PACKET, 908 .rx_fixup = asix_rx_fixup_common, 909 .tx_fixup = asix_tx_fixup, 910 .data = FLAG_EEPROM_MAC, 911 }; 912 913 static const struct driver_info ax88178_info = { 914 .description = "ASIX AX88178 USB 2.0 Ethernet", 915 .bind = ax88178_bind, 916 .unbind = ax88772_unbind, 917 .status = asix_status, 918 .link_reset = ax88178_link_reset, 919 .reset = ax88178_reset, 920 .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR | 921 FLAG_MULTI_PACKET, 922 .rx_fixup = asix_rx_fixup_common, 923 .tx_fixup = asix_tx_fixup, 924 }; 925 926 /* 927 * USBLINK 20F9 "USB 2.0 LAN" USB ethernet adapter, typically found in 928 * no-name packaging. 929 * USB device strings are: 930 * 1: Manufacturer: USBLINK 931 * 2: Product: HG20F9 USB2.0 932 * 3: Serial: 000003 933 * Appears to be compatible with Asix 88772B. 934 */ 935 static const struct driver_info hg20f9_info = { 936 .description = "HG20F9 USB 2.0 Ethernet", 937 .bind = ax88772_bind, 938 .unbind = ax88772_unbind, 939 .status = asix_status, 940 .link_reset = ax88772_link_reset, 941 .reset = ax88772_reset, 942 .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR | 943 FLAG_MULTI_PACKET, 944 .rx_fixup = asix_rx_fixup_common, 945 .tx_fixup = asix_tx_fixup, 946 .data = FLAG_EEPROM_MAC, 947 }; 948 949 static const struct usb_device_id products [] = { 950 { 951 // Linksys USB200M 952 USB_DEVICE (0x077b, 0x2226), 953 .driver_info = (unsigned long) &ax8817x_info, 954 }, { 955 // Netgear FA120 956 USB_DEVICE (0x0846, 0x1040), 957 .driver_info = (unsigned long) &netgear_fa120_info, 958 }, { 959 // DLink DUB-E100 960 USB_DEVICE (0x2001, 0x1a00), 961 .driver_info = (unsigned long) &dlink_dub_e100_info, 962 }, { 963 // Intellinet, ST Lab USB Ethernet 964 USB_DEVICE (0x0b95, 0x1720), 965 .driver_info = (unsigned long) &ax8817x_info, 966 }, { 967 // Hawking UF200, TrendNet TU2-ET100 968 USB_DEVICE (0x07b8, 0x420a), 969 .driver_info = (unsigned long) &hawking_uf200_info, 970 }, { 971 // Billionton Systems, USB2AR 972 USB_DEVICE (0x08dd, 0x90ff), 973 .driver_info = (unsigned long) &ax8817x_info, 974 }, { 975 // ATEN UC210T 976 USB_DEVICE (0x0557, 0x2009), 977 .driver_info = (unsigned long) &ax8817x_info, 978 }, { 979 // Buffalo LUA-U2-KTX 980 USB_DEVICE (0x0411, 0x003d), 981 .driver_info = (unsigned long) &ax8817x_info, 982 }, { 983 // Buffalo LUA-U2-GT 10/100/1000 984 USB_DEVICE (0x0411, 0x006e), 985 .driver_info = (unsigned long) &ax88178_info, 986 }, { 987 // Sitecom LN-029 "USB 2.0 10/100 Ethernet adapter" 988 USB_DEVICE (0x6189, 0x182d), 989 .driver_info = (unsigned long) &ax8817x_info, 990 }, { 991 // Sitecom LN-031 "USB 2.0 10/100/1000 Ethernet adapter" 992 USB_DEVICE (0x0df6, 0x0056), 993 .driver_info = (unsigned long) &ax88178_info, 994 }, { 995 // corega FEther USB2-TX 996 USB_DEVICE (0x07aa, 0x0017), 997 .driver_info = (unsigned long) &ax8817x_info, 998 }, { 999 // Surecom EP-1427X-2 1000 USB_DEVICE (0x1189, 0x0893), 1001 .driver_info = (unsigned long) &ax8817x_info, 1002 }, { 1003 // goodway corp usb gwusb2e 1004 USB_DEVICE (0x1631, 0x6200), 1005 .driver_info = (unsigned long) &ax8817x_info, 1006 }, { 1007 // JVC MP-PRX1 Port Replicator 1008 USB_DEVICE (0x04f1, 0x3008), 1009 .driver_info = (unsigned long) &ax8817x_info, 1010 }, { 1011 // Lenovo U2L100P 10/100 1012 USB_DEVICE (0x17ef, 0x7203), 1013 .driver_info = (unsigned long) &ax88772_info, 1014 }, { 1015 // ASIX AX88772B 10/100 1016 USB_DEVICE (0x0b95, 0x772b), 1017 .driver_info = (unsigned long) &ax88772b_info, 1018 }, { 1019 // ASIX AX88772 10/100 1020 USB_DEVICE (0x0b95, 0x7720), 1021 .driver_info = (unsigned long) &ax88772_info, 1022 }, { 1023 // ASIX AX88178 10/100/1000 1024 USB_DEVICE (0x0b95, 0x1780), 1025 .driver_info = (unsigned long) &ax88178_info, 1026 }, { 1027 // Logitec LAN-GTJ/U2A 1028 USB_DEVICE (0x0789, 0x0160), 1029 .driver_info = (unsigned long) &ax88178_info, 1030 }, { 1031 // Linksys USB200M Rev 2 1032 USB_DEVICE (0x13b1, 0x0018), 1033 .driver_info = (unsigned long) &ax88772_info, 1034 }, { 1035 // 0Q0 cable ethernet 1036 USB_DEVICE (0x1557, 0x7720), 1037 .driver_info = (unsigned long) &ax88772_info, 1038 }, { 1039 // DLink DUB-E100 H/W Ver B1 1040 USB_DEVICE (0x07d1, 0x3c05), 1041 .driver_info = (unsigned long) &ax88772_info, 1042 }, { 1043 // DLink DUB-E100 H/W Ver B1 Alternate 1044 USB_DEVICE (0x2001, 0x3c05), 1045 .driver_info = (unsigned long) &ax88772_info, 1046 }, { 1047 // DLink DUB-E100 H/W Ver C1 1048 USB_DEVICE (0x2001, 0x1a02), 1049 .driver_info = (unsigned long) &ax88772_info, 1050 }, { 1051 // Linksys USB1000 1052 USB_DEVICE (0x1737, 0x0039), 1053 .driver_info = (unsigned long) &ax88178_info, 1054 }, { 1055 // IO-DATA ETG-US2 1056 USB_DEVICE (0x04bb, 0x0930), 1057 .driver_info = (unsigned long) &ax88178_info, 1058 }, { 1059 // Belkin F5D5055 1060 USB_DEVICE(0x050d, 0x5055), 1061 .driver_info = (unsigned long) &ax88178_info, 1062 }, { 1063 // Apple USB Ethernet Adapter 1064 USB_DEVICE(0x05ac, 0x1402), 1065 .driver_info = (unsigned long) &ax88772_info, 1066 }, { 1067 // Cables-to-Go USB Ethernet Adapter 1068 USB_DEVICE(0x0b95, 0x772a), 1069 .driver_info = (unsigned long) &ax88772_info, 1070 }, { 1071 // ABOCOM for pci 1072 USB_DEVICE(0x14ea, 0xab11), 1073 .driver_info = (unsigned long) &ax88178_info, 1074 }, { 1075 // ASIX 88772a 1076 USB_DEVICE(0x0db0, 0xa877), 1077 .driver_info = (unsigned long) &ax88772_info, 1078 }, { 1079 // Asus USB Ethernet Adapter 1080 USB_DEVICE (0x0b95, 0x7e2b), 1081 .driver_info = (unsigned long) &ax88772_info, 1082 }, { 1083 /* ASIX 88172a demo board */ 1084 USB_DEVICE(0x0b95, 0x172a), 1085 .driver_info = (unsigned long) &ax88172a_info, 1086 }, { 1087 /* 1088 * USBLINK HG20F9 "USB 2.0 LAN" 1089 * Appears to have gazumped Linksys's manufacturer ID but 1090 * doesn't (yet) conflict with any known Linksys product. 1091 */ 1092 USB_DEVICE(0x066b, 0x20f9), 1093 .driver_info = (unsigned long) &hg20f9_info, 1094 }, 1095 { }, // END 1096 }; 1097 MODULE_DEVICE_TABLE(usb, products); 1098 1099 static struct usb_driver asix_driver = { 1100 .name = DRIVER_NAME, 1101 .id_table = products, 1102 .probe = usbnet_probe, 1103 .suspend = usbnet_suspend, 1104 .resume = usbnet_resume, 1105 .disconnect = usbnet_disconnect, 1106 .supports_autosuspend = 1, 1107 .disable_hub_initiated_lpm = 1, 1108 }; 1109 1110 module_usb_driver(asix_driver); 1111 1112 MODULE_AUTHOR("David Hollis"); 1113 MODULE_VERSION(DRIVER_VERSION); 1114 MODULE_DESCRIPTION("ASIX AX8817X based USB 2.0 Ethernet Devices"); 1115 MODULE_LICENSE("GPL"); 1116 1117