Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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 | #define AX88772A_PHY14H 0x14 |
| 39 | #define AX88772A_PHY14H_DEFAULT 0x442C |
| 40 | |
| 41 | #define AX88772A_PHY15H 0x15 |
| 42 | #define AX88772A_PHY15H_DEFAULT 0x03C8 |
| 43 | |
| 44 | #define AX88772A_PHY16H 0x16 |
| 45 | #define AX88772A_PHY16H_DEFAULT 0x4044 |
| 46 | |
| 47 | struct ax88172_int_data { |
| 48 | __le16 res1; |
| 49 | u8 link; |
| 50 | __le16 res2; |
| 51 | u8 status; |
| 52 | __le16 res3; |
| 53 | } __packed; |
| 54 | |
| 55 | static void asix_status(struct usbnet *dev, struct urb *urb) |
| 56 | { |
| 57 | struct ax88172_int_data *event; |
| 58 | int link; |
| 59 | |
| 60 | if (urb->actual_length < 8) |
| 61 | return; |
| 62 | |
| 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); |
| 68 | } |
| 69 | } |
| 70 | |
| 71 | static void asix_set_netdev_dev_addr(struct usbnet *dev, u8 *addr) |
| 72 | { |
| 73 | if (is_valid_ether_addr(addr)) { |
| 74 | memcpy(dev->net->dev_addr, addr, ETH_ALEN); |
| 75 | } else { |
| 76 | netdev_info(dev->net, "invalid hw address, using random\n"); |
| 77 | eth_hw_addr_random(dev->net); |
| 78 | } |
| 79 | } |
| 80 | |
| 81 | /* Get the PHY Identifier from the PHYSID1 & PHYSID2 MII registers */ |
| 82 | static u32 asix_get_phyid(struct usbnet *dev) |
| 83 | { |
| 84 | int phy_reg; |
| 85 | u32 phy_id; |
| 86 | int i; |
| 87 | |
| 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); |
| 91 | if (phy_reg < 0) |
| 92 | return 0; |
| 93 | if (phy_reg != 0 && phy_reg != 0xFFFF) |
| 94 | break; |
| 95 | mdelay(1); |
| 96 | } |
| 97 | |
| 98 | if (phy_reg <= 0 || phy_reg == 0xFFFF) |
| 99 | return 0; |
| 100 | |
| 101 | phy_id = (phy_reg & 0xffff) << 16; |
| 102 | |
| 103 | phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID2); |
| 104 | if (phy_reg < 0) |
| 105 | return 0; |
| 106 | |
| 107 | phy_id |= (phy_reg & 0xffff); |
| 108 | |
| 109 | return phy_id; |
| 110 | } |
| 111 | |
| 112 | static u32 asix_get_link(struct net_device *net) |
| 113 | { |
| 114 | struct usbnet *dev = netdev_priv(net); |
| 115 | |
| 116 | return mii_link_ok(&dev->mii); |
| 117 | } |
| 118 | |
| 119 | static int asix_ioctl (struct net_device *net, struct ifreq *rq, int cmd) |
| 120 | { |
| 121 | struct usbnet *dev = netdev_priv(net); |
| 122 | |
| 123 | return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL); |
| 124 | } |
| 125 | |
| 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 | .nway_reset = usbnet_nway_reset, |
| 140 | .get_link_ksettings = usbnet_get_link_ksettings, |
| 141 | .set_link_ksettings = usbnet_set_link_ksettings, |
| 142 | }; |
| 143 | |
| 144 | static void ax88172_set_multicast(struct net_device *net) |
| 145 | { |
| 146 | struct usbnet *dev = netdev_priv(net); |
| 147 | struct asix_data *data = (struct asix_data *)&dev->data; |
| 148 | u8 rx_ctl = 0x8c; |
| 149 | |
| 150 | if (net->flags & IFF_PROMISC) { |
| 151 | rx_ctl |= 0x01; |
| 152 | } else if (net->flags & IFF_ALLMULTI || |
| 153 | netdev_mc_count(net) > AX_MAX_MCAST) { |
| 154 | rx_ctl |= 0x02; |
| 155 | } else if (netdev_mc_empty(net)) { |
| 156 | /* just broadcast and directed */ |
| 157 | } else { |
| 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; |
| 163 | u32 crc_bits; |
| 164 | |
| 165 | memset(data->multi_filter, 0, AX_MCAST_FILTER_SIZE); |
| 166 | |
| 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] |= |
| 171 | 1 << (crc_bits & 7); |
| 172 | } |
| 173 | |
| 174 | asix_write_cmd_async(dev, AX_CMD_WRITE_MULTI_FILTER, 0, 0, |
| 175 | AX_MCAST_FILTER_SIZE, data->multi_filter); |
| 176 | |
| 177 | rx_ctl |= 0x10; |
| 178 | } |
| 179 | |
| 180 | asix_write_cmd_async(dev, AX_CMD_WRITE_RX_CTL, rx_ctl, 0, 0, NULL); |
| 181 | } |
| 182 | |
| 183 | static int ax88172_link_reset(struct usbnet *dev) |
| 184 | { |
| 185 | u8 mode; |
| 186 | struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET }; |
| 187 | |
| 188 | mii_check_media(&dev->mii, 1, 1); |
| 189 | mii_ethtool_gset(&dev->mii, &ecmd); |
| 190 | mode = AX88172_MEDIUM_DEFAULT; |
| 191 | |
| 192 | if (ecmd.duplex != DUPLEX_FULL) |
| 193 | mode |= ~AX88172_MEDIUM_FD; |
| 194 | |
| 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); |
| 197 | |
| 198 | asix_write_medium_mode(dev, mode, 0); |
| 199 | |
| 200 | return 0; |
| 201 | } |
| 202 | |
| 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_get_stats64 = usbnet_get_stats64, |
| 210 | .ndo_set_mac_address = eth_mac_addr, |
| 211 | .ndo_validate_addr = eth_validate_addr, |
| 212 | .ndo_do_ioctl = asix_ioctl, |
| 213 | .ndo_set_rx_mode = ax88172_set_multicast, |
| 214 | }; |
| 215 | |
| 216 | static void asix_phy_reset(struct usbnet *dev, unsigned int reset_bits) |
| 217 | { |
| 218 | unsigned int timeout = 5000; |
| 219 | |
| 220 | asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, reset_bits); |
| 221 | |
| 222 | /* give phy_id a chance to process reset */ |
| 223 | udelay(500); |
| 224 | |
| 225 | /* See IEEE 802.3 "22.2.4.1.1 Reset": 500ms max */ |
| 226 | while (timeout--) { |
| 227 | if (asix_mdio_read(dev->net, dev->mii.phy_id, MII_BMCR) |
| 228 | & BMCR_RESET) |
| 229 | udelay(100); |
| 230 | else |
| 231 | return; |
| 232 | } |
| 233 | |
| 234 | netdev_err(dev->net, "BMCR_RESET timeout on phy_id %d\n", |
| 235 | dev->mii.phy_id); |
| 236 | } |
| 237 | |
| 238 | static int ax88172_bind(struct usbnet *dev, struct usb_interface *intf) |
| 239 | { |
| 240 | int ret = 0; |
| 241 | u8 buf[ETH_ALEN]; |
| 242 | int i; |
| 243 | unsigned long gpio_bits = dev->driver_info->data; |
| 244 | |
| 245 | usbnet_get_endpoints(dev,intf); |
| 246 | |
| 247 | /* Toggle the GPIOs in a manufacturer/model specific way */ |
| 248 | for (i = 2; i >= 0; i--) { |
| 249 | ret = asix_write_cmd(dev, AX_CMD_WRITE_GPIOS, |
| 250 | (gpio_bits >> (i * 8)) & 0xff, 0, 0, NULL, 0); |
| 251 | if (ret < 0) |
| 252 | goto out; |
| 253 | msleep(5); |
| 254 | } |
| 255 | |
| 256 | ret = asix_write_rx_ctl(dev, 0x80, 0); |
| 257 | if (ret < 0) |
| 258 | goto out; |
| 259 | |
| 260 | /* Get the MAC address */ |
| 261 | ret = asix_read_cmd(dev, AX88172_CMD_READ_NODE_ID, |
| 262 | 0, 0, ETH_ALEN, buf, 0); |
| 263 | if (ret < 0) { |
| 264 | netdev_dbg(dev->net, "read AX_CMD_READ_NODE_ID failed: %d\n", |
| 265 | ret); |
| 266 | goto out; |
| 267 | } |
| 268 | |
| 269 | asix_set_netdev_dev_addr(dev, buf); |
| 270 | |
| 271 | /* Initialize MII structure */ |
| 272 | dev->mii.dev = dev->net; |
| 273 | dev->mii.mdio_read = asix_mdio_read; |
| 274 | dev->mii.mdio_write = asix_mdio_write; |
| 275 | dev->mii.phy_id_mask = 0x3f; |
| 276 | dev->mii.reg_num_mask = 0x1f; |
| 277 | dev->mii.phy_id = asix_get_phy_addr(dev); |
| 278 | |
| 279 | dev->net->netdev_ops = &ax88172_netdev_ops; |
| 280 | dev->net->ethtool_ops = &ax88172_ethtool_ops; |
| 281 | dev->net->needed_headroom = 4; /* cf asix_tx_fixup() */ |
| 282 | dev->net->needed_tailroom = 4; /* cf asix_tx_fixup() */ |
| 283 | |
| 284 | asix_phy_reset(dev, BMCR_RESET); |
| 285 | asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE, |
| 286 | ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP); |
| 287 | mii_nway_restart(&dev->mii); |
| 288 | |
| 289 | return 0; |
| 290 | |
| 291 | out: |
| 292 | return ret; |
| 293 | } |
| 294 | |
| 295 | static const struct ethtool_ops ax88772_ethtool_ops = { |
| 296 | .get_drvinfo = asix_get_drvinfo, |
| 297 | .get_link = asix_get_link, |
| 298 | .get_msglevel = usbnet_get_msglevel, |
| 299 | .set_msglevel = usbnet_set_msglevel, |
| 300 | .get_wol = asix_get_wol, |
| 301 | .set_wol = asix_set_wol, |
| 302 | .get_eeprom_len = asix_get_eeprom_len, |
| 303 | .get_eeprom = asix_get_eeprom, |
| 304 | .set_eeprom = asix_set_eeprom, |
| 305 | .nway_reset = usbnet_nway_reset, |
| 306 | .get_link_ksettings = usbnet_get_link_ksettings, |
| 307 | .set_link_ksettings = usbnet_set_link_ksettings, |
| 308 | }; |
| 309 | |
| 310 | static int ax88772_link_reset(struct usbnet *dev) |
| 311 | { |
| 312 | u16 mode; |
| 313 | struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET }; |
| 314 | |
| 315 | mii_check_media(&dev->mii, 1, 1); |
| 316 | mii_ethtool_gset(&dev->mii, &ecmd); |
| 317 | mode = AX88772_MEDIUM_DEFAULT; |
| 318 | |
| 319 | if (ethtool_cmd_speed(&ecmd) != SPEED_100) |
| 320 | mode &= ~AX_MEDIUM_PS; |
| 321 | |
| 322 | if (ecmd.duplex != DUPLEX_FULL) |
| 323 | mode &= ~AX_MEDIUM_FD; |
| 324 | |
| 325 | netdev_dbg(dev->net, "ax88772_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n", |
| 326 | ethtool_cmd_speed(&ecmd), ecmd.duplex, mode); |
| 327 | |
| 328 | asix_write_medium_mode(dev, mode, 0); |
| 329 | |
| 330 | return 0; |
| 331 | } |
| 332 | |
| 333 | static int ax88772_reset(struct usbnet *dev) |
| 334 | { |
| 335 | struct asix_data *data = (struct asix_data *)&dev->data; |
| 336 | int ret; |
| 337 | |
| 338 | /* Rewrite MAC address */ |
| 339 | ether_addr_copy(data->mac_addr, dev->net->dev_addr); |
| 340 | ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, |
| 341 | ETH_ALEN, data->mac_addr, 0); |
| 342 | if (ret < 0) |
| 343 | goto out; |
| 344 | |
| 345 | /* Set RX_CTL to default values with 2k buffer, and enable cactus */ |
| 346 | ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, 0); |
| 347 | if (ret < 0) |
| 348 | goto out; |
| 349 | |
| 350 | ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT, 0); |
| 351 | if (ret < 0) |
| 352 | goto out; |
| 353 | |
| 354 | return 0; |
| 355 | |
| 356 | out: |
| 357 | return ret; |
| 358 | } |
| 359 | |
| 360 | static int ax88772_hw_reset(struct usbnet *dev, int in_pm) |
| 361 | { |
| 362 | struct asix_data *data = (struct asix_data *)&dev->data; |
| 363 | int ret, embd_phy; |
| 364 | u16 rx_ctl; |
| 365 | |
| 366 | ret = asix_write_gpio(dev, AX_GPIO_RSE | AX_GPIO_GPO_2 | |
| 367 | AX_GPIO_GPO2EN, 5, in_pm); |
| 368 | if (ret < 0) |
| 369 | goto out; |
| 370 | |
| 371 | embd_phy = ((dev->mii.phy_id & 0x1f) == 0x10 ? 1 : 0); |
| 372 | |
| 373 | ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, embd_phy, |
| 374 | 0, 0, NULL, in_pm); |
| 375 | if (ret < 0) { |
| 376 | netdev_dbg(dev->net, "Select PHY #1 failed: %d\n", ret); |
| 377 | goto out; |
| 378 | } |
| 379 | |
| 380 | if (embd_phy) { |
| 381 | ret = asix_sw_reset(dev, AX_SWRESET_IPPD, in_pm); |
| 382 | if (ret < 0) |
| 383 | goto out; |
| 384 | |
| 385 | usleep_range(10000, 11000); |
| 386 | |
| 387 | ret = asix_sw_reset(dev, AX_SWRESET_CLEAR, in_pm); |
| 388 | if (ret < 0) |
| 389 | goto out; |
| 390 | |
| 391 | msleep(60); |
| 392 | |
| 393 | ret = asix_sw_reset(dev, AX_SWRESET_IPRL | AX_SWRESET_PRL, |
| 394 | in_pm); |
| 395 | if (ret < 0) |
| 396 | goto out; |
| 397 | } else { |
| 398 | ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_PRL, |
| 399 | in_pm); |
| 400 | if (ret < 0) |
| 401 | goto out; |
| 402 | } |
| 403 | |
| 404 | msleep(150); |
| 405 | |
| 406 | if (in_pm && (!asix_mdio_read_nopm(dev->net, dev->mii.phy_id, |
| 407 | MII_PHYSID1))){ |
| 408 | ret = -EIO; |
| 409 | goto out; |
| 410 | } |
| 411 | |
| 412 | ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm); |
| 413 | if (ret < 0) |
| 414 | goto out; |
| 415 | |
| 416 | ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT, in_pm); |
| 417 | if (ret < 0) |
| 418 | goto out; |
| 419 | |
| 420 | ret = asix_write_cmd(dev, AX_CMD_WRITE_IPG0, |
| 421 | AX88772_IPG0_DEFAULT | AX88772_IPG1_DEFAULT, |
| 422 | AX88772_IPG2_DEFAULT, 0, NULL, in_pm); |
| 423 | if (ret < 0) { |
| 424 | netdev_dbg(dev->net, "Write IPG,IPG1,IPG2 failed: %d\n", ret); |
| 425 | goto out; |
| 426 | } |
| 427 | |
| 428 | /* Rewrite MAC address */ |
| 429 | ether_addr_copy(data->mac_addr, dev->net->dev_addr); |
| 430 | ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, |
| 431 | ETH_ALEN, data->mac_addr, in_pm); |
| 432 | if (ret < 0) |
| 433 | goto out; |
| 434 | |
| 435 | /* Set RX_CTL to default values with 2k buffer, and enable cactus */ |
| 436 | ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm); |
| 437 | if (ret < 0) |
| 438 | goto out; |
| 439 | |
| 440 | rx_ctl = asix_read_rx_ctl(dev, in_pm); |
| 441 | netdev_dbg(dev->net, "RX_CTL is 0x%04x after all initializations\n", |
| 442 | rx_ctl); |
| 443 | |
| 444 | rx_ctl = asix_read_medium_status(dev, in_pm); |
| 445 | netdev_dbg(dev->net, |
| 446 | "Medium Status is 0x%04x after all initializations\n", |
| 447 | rx_ctl); |
| 448 | |
| 449 | return 0; |
| 450 | |
| 451 | out: |
| 452 | return ret; |
| 453 | } |
| 454 | |
| 455 | static int ax88772a_hw_reset(struct usbnet *dev, int in_pm) |
| 456 | { |
| 457 | struct asix_data *data = (struct asix_data *)&dev->data; |
| 458 | int ret, embd_phy; |
| 459 | u16 rx_ctl, phy14h, phy15h, phy16h; |
| 460 | u8 chipcode = 0; |
| 461 | |
| 462 | ret = asix_write_gpio(dev, AX_GPIO_RSE, 5, in_pm); |
| 463 | if (ret < 0) |
| 464 | goto out; |
| 465 | |
| 466 | embd_phy = ((dev->mii.phy_id & 0x1f) == 0x10 ? 1 : 0); |
| 467 | |
| 468 | ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, embd_phy | |
| 469 | AX_PHYSEL_SSEN, 0, 0, NULL, in_pm); |
| 470 | if (ret < 0) { |
| 471 | netdev_dbg(dev->net, "Select PHY #1 failed: %d\n", ret); |
| 472 | goto out; |
| 473 | } |
| 474 | usleep_range(10000, 11000); |
| 475 | |
| 476 | ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_IPRL, in_pm); |
| 477 | if (ret < 0) |
| 478 | goto out; |
| 479 | |
| 480 | usleep_range(10000, 11000); |
| 481 | |
| 482 | ret = asix_sw_reset(dev, AX_SWRESET_IPRL, in_pm); |
| 483 | if (ret < 0) |
| 484 | goto out; |
| 485 | |
| 486 | msleep(160); |
| 487 | |
| 488 | ret = asix_sw_reset(dev, AX_SWRESET_CLEAR, in_pm); |
| 489 | if (ret < 0) |
| 490 | goto out; |
| 491 | |
| 492 | ret = asix_sw_reset(dev, AX_SWRESET_IPRL, in_pm); |
| 493 | if (ret < 0) |
| 494 | goto out; |
| 495 | |
| 496 | msleep(200); |
| 497 | |
| 498 | if (in_pm && (!asix_mdio_read_nopm(dev->net, dev->mii.phy_id, |
| 499 | MII_PHYSID1))) { |
| 500 | ret = -1; |
| 501 | goto out; |
| 502 | } |
| 503 | |
| 504 | ret = asix_read_cmd(dev, AX_CMD_STATMNGSTS_REG, 0, |
| 505 | 0, 1, &chipcode, in_pm); |
| 506 | if (ret < 0) |
| 507 | goto out; |
| 508 | |
| 509 | if ((chipcode & AX_CHIPCODE_MASK) == AX_AX88772B_CHIPCODE) { |
| 510 | ret = asix_write_cmd(dev, AX_QCTCTRL, 0x8000, 0x8001, |
| 511 | 0, NULL, in_pm); |
| 512 | if (ret < 0) { |
| 513 | netdev_dbg(dev->net, "Write BQ setting failed: %d\n", |
| 514 | ret); |
| 515 | goto out; |
| 516 | } |
| 517 | } else if ((chipcode & AX_CHIPCODE_MASK) == AX_AX88772A_CHIPCODE) { |
| 518 | /* Check if the PHY registers have default settings */ |
| 519 | phy14h = asix_mdio_read_nopm(dev->net, dev->mii.phy_id, |
| 520 | AX88772A_PHY14H); |
| 521 | phy15h = asix_mdio_read_nopm(dev->net, dev->mii.phy_id, |
| 522 | AX88772A_PHY15H); |
| 523 | phy16h = asix_mdio_read_nopm(dev->net, dev->mii.phy_id, |
| 524 | AX88772A_PHY16H); |
| 525 | |
| 526 | netdev_dbg(dev->net, |
| 527 | "772a_hw_reset: MR20=0x%x MR21=0x%x MR22=0x%x\n", |
| 528 | phy14h, phy15h, phy16h); |
| 529 | |
| 530 | /* Restore PHY registers default setting if not */ |
| 531 | if (phy14h != AX88772A_PHY14H_DEFAULT) |
| 532 | asix_mdio_write_nopm(dev->net, dev->mii.phy_id, |
| 533 | AX88772A_PHY14H, |
| 534 | AX88772A_PHY14H_DEFAULT); |
| 535 | if (phy15h != AX88772A_PHY15H_DEFAULT) |
| 536 | asix_mdio_write_nopm(dev->net, dev->mii.phy_id, |
| 537 | AX88772A_PHY15H, |
| 538 | AX88772A_PHY15H_DEFAULT); |
| 539 | if (phy16h != AX88772A_PHY16H_DEFAULT) |
| 540 | asix_mdio_write_nopm(dev->net, dev->mii.phy_id, |
| 541 | AX88772A_PHY16H, |
| 542 | AX88772A_PHY16H_DEFAULT); |
| 543 | } |
| 544 | |
| 545 | ret = asix_write_cmd(dev, AX_CMD_WRITE_IPG0, |
| 546 | AX88772_IPG0_DEFAULT | AX88772_IPG1_DEFAULT, |
| 547 | AX88772_IPG2_DEFAULT, 0, NULL, in_pm); |
| 548 | if (ret < 0) { |
| 549 | netdev_dbg(dev->net, "Write IPG,IPG1,IPG2 failed: %d\n", ret); |
| 550 | goto out; |
| 551 | } |
| 552 | |
| 553 | /* Rewrite MAC address */ |
| 554 | memcpy(data->mac_addr, dev->net->dev_addr, ETH_ALEN); |
| 555 | ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN, |
| 556 | data->mac_addr, in_pm); |
| 557 | if (ret < 0) |
| 558 | goto out; |
| 559 | |
| 560 | /* Set RX_CTL to default values with 2k buffer, and enable cactus */ |
| 561 | ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm); |
| 562 | if (ret < 0) |
| 563 | goto out; |
| 564 | |
| 565 | ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT, in_pm); |
| 566 | if (ret < 0) |
| 567 | return ret; |
| 568 | |
| 569 | /* Set RX_CTL to default values with 2k buffer, and enable cactus */ |
| 570 | ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm); |
| 571 | if (ret < 0) |
| 572 | goto out; |
| 573 | |
| 574 | rx_ctl = asix_read_rx_ctl(dev, in_pm); |
| 575 | netdev_dbg(dev->net, "RX_CTL is 0x%04x after all initializations\n", |
| 576 | rx_ctl); |
| 577 | |
| 578 | rx_ctl = asix_read_medium_status(dev, in_pm); |
| 579 | netdev_dbg(dev->net, |
| 580 | "Medium Status is 0x%04x after all initializations\n", |
| 581 | rx_ctl); |
| 582 | |
| 583 | return 0; |
| 584 | |
| 585 | out: |
| 586 | return ret; |
| 587 | } |
| 588 | |
| 589 | static const struct net_device_ops ax88772_netdev_ops = { |
| 590 | .ndo_open = usbnet_open, |
| 591 | .ndo_stop = usbnet_stop, |
| 592 | .ndo_start_xmit = usbnet_start_xmit, |
| 593 | .ndo_tx_timeout = usbnet_tx_timeout, |
| 594 | .ndo_change_mtu = usbnet_change_mtu, |
| 595 | .ndo_get_stats64 = usbnet_get_stats64, |
| 596 | .ndo_set_mac_address = asix_set_mac_address, |
| 597 | .ndo_validate_addr = eth_validate_addr, |
| 598 | .ndo_do_ioctl = asix_ioctl, |
| 599 | .ndo_set_rx_mode = asix_set_multicast, |
| 600 | }; |
| 601 | |
| 602 | static void ax88772_suspend(struct usbnet *dev) |
| 603 | { |
| 604 | struct asix_common_private *priv = dev->driver_priv; |
| 605 | u16 medium; |
| 606 | |
| 607 | /* Stop MAC operation */ |
| 608 | medium = asix_read_medium_status(dev, 1); |
| 609 | medium &= ~AX_MEDIUM_RE; |
| 610 | asix_write_medium_mode(dev, medium, 1); |
| 611 | |
| 612 | netdev_dbg(dev->net, "ax88772_suspend: medium=0x%04x\n", |
| 613 | asix_read_medium_status(dev, 1)); |
| 614 | |
| 615 | /* Preserve BMCR for restoring */ |
| 616 | priv->presvd_phy_bmcr = |
| 617 | asix_mdio_read_nopm(dev->net, dev->mii.phy_id, MII_BMCR); |
| 618 | |
| 619 | /* Preserve ANAR for restoring */ |
| 620 | priv->presvd_phy_advertise = |
| 621 | asix_mdio_read_nopm(dev->net, dev->mii.phy_id, MII_ADVERTISE); |
| 622 | } |
| 623 | |
| 624 | static int asix_suspend(struct usb_interface *intf, pm_message_t message) |
| 625 | { |
| 626 | struct usbnet *dev = usb_get_intfdata(intf); |
| 627 | struct asix_common_private *priv = dev->driver_priv; |
| 628 | |
| 629 | if (priv && priv->suspend) |
| 630 | priv->suspend(dev); |
| 631 | |
| 632 | return usbnet_suspend(intf, message); |
| 633 | } |
| 634 | |
| 635 | static void ax88772_restore_phy(struct usbnet *dev) |
| 636 | { |
| 637 | struct asix_common_private *priv = dev->driver_priv; |
| 638 | |
| 639 | if (priv->presvd_phy_advertise) { |
| 640 | /* Restore Advertisement control reg */ |
| 641 | asix_mdio_write_nopm(dev->net, dev->mii.phy_id, MII_ADVERTISE, |
| 642 | priv->presvd_phy_advertise); |
| 643 | |
| 644 | /* Restore BMCR */ |
| 645 | if (priv->presvd_phy_bmcr & BMCR_ANENABLE) |
| 646 | priv->presvd_phy_bmcr |= BMCR_ANRESTART; |
| 647 | |
| 648 | asix_mdio_write_nopm(dev->net, dev->mii.phy_id, MII_BMCR, |
| 649 | priv->presvd_phy_bmcr); |
| 650 | |
| 651 | priv->presvd_phy_advertise = 0; |
| 652 | priv->presvd_phy_bmcr = 0; |
| 653 | } |
| 654 | } |
| 655 | |
| 656 | static void ax88772_resume(struct usbnet *dev) |
| 657 | { |
| 658 | int i; |
| 659 | |
| 660 | for (i = 0; i < 3; i++) |
| 661 | if (!ax88772_hw_reset(dev, 1)) |
| 662 | break; |
| 663 | ax88772_restore_phy(dev); |
| 664 | } |
| 665 | |
| 666 | static void ax88772a_resume(struct usbnet *dev) |
| 667 | { |
| 668 | int i; |
| 669 | |
| 670 | for (i = 0; i < 3; i++) { |
| 671 | if (!ax88772a_hw_reset(dev, 1)) |
| 672 | break; |
| 673 | } |
| 674 | |
| 675 | ax88772_restore_phy(dev); |
| 676 | } |
| 677 | |
| 678 | static int asix_resume(struct usb_interface *intf) |
| 679 | { |
| 680 | struct usbnet *dev = usb_get_intfdata(intf); |
| 681 | struct asix_common_private *priv = dev->driver_priv; |
| 682 | |
| 683 | if (priv && priv->resume) |
| 684 | priv->resume(dev); |
| 685 | |
| 686 | return usbnet_resume(intf); |
| 687 | } |
| 688 | |
| 689 | static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf) |
| 690 | { |
| 691 | int ret, i; |
| 692 | u8 buf[ETH_ALEN], chipcode = 0; |
| 693 | u32 phyid; |
| 694 | struct asix_common_private *priv; |
| 695 | |
| 696 | usbnet_get_endpoints(dev, intf); |
| 697 | |
| 698 | /* Maybe the boot loader passed the MAC address via device tree */ |
| 699 | if (!eth_platform_get_mac_address(&dev->udev->dev, buf)) { |
| 700 | netif_dbg(dev, ifup, dev->net, |
| 701 | "MAC address read from device tree"); |
| 702 | } else { |
| 703 | /* Try getting the MAC address from EEPROM */ |
| 704 | if (dev->driver_info->data & FLAG_EEPROM_MAC) { |
| 705 | for (i = 0; i < (ETH_ALEN >> 1); i++) { |
| 706 | ret = asix_read_cmd(dev, AX_CMD_READ_EEPROM, |
| 707 | 0x04 + i, 0, 2, buf + i * 2, |
| 708 | 0); |
| 709 | if (ret < 0) |
| 710 | break; |
| 711 | } |
| 712 | } else { |
| 713 | ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID, |
| 714 | 0, 0, ETH_ALEN, buf, 0); |
| 715 | } |
| 716 | |
| 717 | if (ret < 0) { |
| 718 | netdev_dbg(dev->net, "Failed to read MAC address: %d\n", |
| 719 | ret); |
| 720 | return ret; |
| 721 | } |
| 722 | } |
| 723 | |
| 724 | asix_set_netdev_dev_addr(dev, buf); |
| 725 | |
| 726 | /* Initialize MII structure */ |
| 727 | dev->mii.dev = dev->net; |
| 728 | dev->mii.mdio_read = asix_mdio_read; |
| 729 | dev->mii.mdio_write = asix_mdio_write; |
| 730 | dev->mii.phy_id_mask = 0x1f; |
| 731 | dev->mii.reg_num_mask = 0x1f; |
| 732 | dev->mii.phy_id = asix_get_phy_addr(dev); |
| 733 | |
| 734 | dev->net->netdev_ops = &ax88772_netdev_ops; |
| 735 | dev->net->ethtool_ops = &ax88772_ethtool_ops; |
| 736 | dev->net->needed_headroom = 4; /* cf asix_tx_fixup() */ |
| 737 | dev->net->needed_tailroom = 4; /* cf asix_tx_fixup() */ |
| 738 | |
| 739 | asix_read_cmd(dev, AX_CMD_STATMNGSTS_REG, 0, 0, 1, &chipcode, 0); |
| 740 | chipcode &= AX_CHIPCODE_MASK; |
| 741 | |
| 742 | (chipcode == AX_AX88772_CHIPCODE) ? ax88772_hw_reset(dev, 0) : |
| 743 | ax88772a_hw_reset(dev, 0); |
| 744 | |
| 745 | /* Read PHYID register *AFTER* the PHY was reset properly */ |
| 746 | phyid = asix_get_phyid(dev); |
| 747 | netdev_dbg(dev->net, "PHYID=0x%08x\n", phyid); |
| 748 | |
| 749 | /* Asix framing packs multiple eth frames into a 2K usb bulk transfer */ |
| 750 | if (dev->driver_info->flags & FLAG_FRAMING_AX) { |
| 751 | /* hard_mtu is still the default - the device does not support |
| 752 | jumbo eth frames */ |
| 753 | dev->rx_urb_size = 2048; |
| 754 | } |
| 755 | |
| 756 | dev->driver_priv = kzalloc(sizeof(struct asix_common_private), GFP_KERNEL); |
| 757 | if (!dev->driver_priv) |
| 758 | return -ENOMEM; |
| 759 | |
| 760 | priv = dev->driver_priv; |
| 761 | |
| 762 | priv->presvd_phy_bmcr = 0; |
| 763 | priv->presvd_phy_advertise = 0; |
| 764 | if (chipcode == AX_AX88772_CHIPCODE) { |
| 765 | priv->resume = ax88772_resume; |
| 766 | priv->suspend = ax88772_suspend; |
| 767 | } else { |
| 768 | priv->resume = ax88772a_resume; |
| 769 | priv->suspend = ax88772_suspend; |
| 770 | } |
| 771 | |
| 772 | return 0; |
| 773 | } |
| 774 | |
| 775 | static void ax88772_unbind(struct usbnet *dev, struct usb_interface *intf) |
| 776 | { |
| 777 | asix_rx_fixup_common_free(dev->driver_priv); |
| 778 | kfree(dev->driver_priv); |
| 779 | } |
| 780 | |
| 781 | static const struct ethtool_ops ax88178_ethtool_ops = { |
| 782 | .get_drvinfo = asix_get_drvinfo, |
| 783 | .get_link = asix_get_link, |
| 784 | .get_msglevel = usbnet_get_msglevel, |
| 785 | .set_msglevel = usbnet_set_msglevel, |
| 786 | .get_wol = asix_get_wol, |
| 787 | .set_wol = asix_set_wol, |
| 788 | .get_eeprom_len = asix_get_eeprom_len, |
| 789 | .get_eeprom = asix_get_eeprom, |
| 790 | .set_eeprom = asix_set_eeprom, |
| 791 | .nway_reset = usbnet_nway_reset, |
| 792 | .get_link_ksettings = usbnet_get_link_ksettings, |
| 793 | .set_link_ksettings = usbnet_set_link_ksettings, |
| 794 | }; |
| 795 | |
| 796 | static int marvell_phy_init(struct usbnet *dev) |
| 797 | { |
| 798 | struct asix_data *data = (struct asix_data *)&dev->data; |
| 799 | u16 reg; |
| 800 | |
| 801 | netdev_dbg(dev->net, "marvell_phy_init()\n"); |
| 802 | |
| 803 | reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_MARVELL_STATUS); |
| 804 | netdev_dbg(dev->net, "MII_MARVELL_STATUS = 0x%04x\n", reg); |
| 805 | |
| 806 | asix_mdio_write(dev->net, dev->mii.phy_id, MII_MARVELL_CTRL, |
| 807 | MARVELL_CTRL_RXDELAY | MARVELL_CTRL_TXDELAY); |
| 808 | |
| 809 | if (data->ledmode) { |
| 810 | reg = asix_mdio_read(dev->net, dev->mii.phy_id, |
| 811 | MII_MARVELL_LED_CTRL); |
| 812 | netdev_dbg(dev->net, "MII_MARVELL_LED_CTRL (1) = 0x%04x\n", reg); |
| 813 | |
| 814 | reg &= 0xf8ff; |
| 815 | reg |= (1 + 0x0100); |
| 816 | asix_mdio_write(dev->net, dev->mii.phy_id, |
| 817 | MII_MARVELL_LED_CTRL, reg); |
| 818 | |
| 819 | reg = asix_mdio_read(dev->net, dev->mii.phy_id, |
| 820 | MII_MARVELL_LED_CTRL); |
| 821 | netdev_dbg(dev->net, "MII_MARVELL_LED_CTRL (2) = 0x%04x\n", reg); |
| 822 | reg &= 0xfc0f; |
| 823 | } |
| 824 | |
| 825 | return 0; |
| 826 | } |
| 827 | |
| 828 | static int rtl8211cl_phy_init(struct usbnet *dev) |
| 829 | { |
| 830 | struct asix_data *data = (struct asix_data *)&dev->data; |
| 831 | |
| 832 | netdev_dbg(dev->net, "rtl8211cl_phy_init()\n"); |
| 833 | |
| 834 | asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0x0005); |
| 835 | asix_mdio_write (dev->net, dev->mii.phy_id, 0x0c, 0); |
| 836 | asix_mdio_write (dev->net, dev->mii.phy_id, 0x01, |
| 837 | asix_mdio_read (dev->net, dev->mii.phy_id, 0x01) | 0x0080); |
| 838 | asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0); |
| 839 | |
| 840 | if (data->ledmode == 12) { |
| 841 | asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0x0002); |
| 842 | asix_mdio_write (dev->net, dev->mii.phy_id, 0x1a, 0x00cb); |
| 843 | asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0); |
| 844 | } |
| 845 | |
| 846 | return 0; |
| 847 | } |
| 848 | |
| 849 | static int marvell_led_status(struct usbnet *dev, u16 speed) |
| 850 | { |
| 851 | u16 reg = asix_mdio_read(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL); |
| 852 | |
| 853 | netdev_dbg(dev->net, "marvell_led_status() read 0x%04x\n", reg); |
| 854 | |
| 855 | /* Clear out the center LED bits - 0x03F0 */ |
| 856 | reg &= 0xfc0f; |
| 857 | |
| 858 | switch (speed) { |
| 859 | case SPEED_1000: |
| 860 | reg |= 0x03e0; |
| 861 | break; |
| 862 | case SPEED_100: |
| 863 | reg |= 0x03b0; |
| 864 | break; |
| 865 | default: |
| 866 | reg |= 0x02f0; |
| 867 | } |
| 868 | |
| 869 | netdev_dbg(dev->net, "marvell_led_status() writing 0x%04x\n", reg); |
| 870 | asix_mdio_write(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL, reg); |
| 871 | |
| 872 | return 0; |
| 873 | } |
| 874 | |
| 875 | static int ax88178_reset(struct usbnet *dev) |
| 876 | { |
| 877 | struct asix_data *data = (struct asix_data *)&dev->data; |
| 878 | int ret; |
| 879 | __le16 eeprom; |
| 880 | u8 status; |
| 881 | int gpio0 = 0; |
| 882 | u32 phyid; |
| 883 | |
| 884 | asix_read_cmd(dev, AX_CMD_READ_GPIOS, 0, 0, 1, &status, 0); |
| 885 | netdev_dbg(dev->net, "GPIO Status: 0x%04x\n", status); |
| 886 | |
| 887 | asix_write_cmd(dev, AX_CMD_WRITE_ENABLE, 0, 0, 0, NULL, 0); |
| 888 | asix_read_cmd(dev, AX_CMD_READ_EEPROM, 0x0017, 0, 2, &eeprom, 0); |
| 889 | asix_write_cmd(dev, AX_CMD_WRITE_DISABLE, 0, 0, 0, NULL, 0); |
| 890 | |
| 891 | netdev_dbg(dev->net, "EEPROM index 0x17 is 0x%04x\n", eeprom); |
| 892 | |
| 893 | if (eeprom == cpu_to_le16(0xffff)) { |
| 894 | data->phymode = PHY_MODE_MARVELL; |
| 895 | data->ledmode = 0; |
| 896 | gpio0 = 1; |
| 897 | } else { |
| 898 | data->phymode = le16_to_cpu(eeprom) & 0x7F; |
| 899 | data->ledmode = le16_to_cpu(eeprom) >> 8; |
| 900 | gpio0 = (le16_to_cpu(eeprom) & 0x80) ? 0 : 1; |
| 901 | } |
| 902 | netdev_dbg(dev->net, "GPIO0: %d, PhyMode: %d\n", gpio0, data->phymode); |
| 903 | |
| 904 | /* Power up external GigaPHY through AX88178 GPIO pin */ |
| 905 | asix_write_gpio(dev, AX_GPIO_RSE | AX_GPIO_GPO_1 | |
| 906 | AX_GPIO_GPO1EN, 40, 0); |
| 907 | if ((le16_to_cpu(eeprom) >> 8) != 1) { |
| 908 | asix_write_gpio(dev, 0x003c, 30, 0); |
| 909 | asix_write_gpio(dev, 0x001c, 300, 0); |
| 910 | asix_write_gpio(dev, 0x003c, 30, 0); |
| 911 | } else { |
| 912 | netdev_dbg(dev->net, "gpio phymode == 1 path\n"); |
| 913 | asix_write_gpio(dev, AX_GPIO_GPO1EN, 30, 0); |
| 914 | asix_write_gpio(dev, AX_GPIO_GPO1EN | AX_GPIO_GPO_1, 30, 0); |
| 915 | } |
| 916 | |
| 917 | /* Read PHYID register *AFTER* powering up PHY */ |
| 918 | phyid = asix_get_phyid(dev); |
| 919 | netdev_dbg(dev->net, "PHYID=0x%08x\n", phyid); |
| 920 | |
| 921 | /* Set AX88178 to enable MII/GMII/RGMII interface for external PHY */ |
| 922 | asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, 0, 0, 0, NULL, 0); |
| 923 | |
| 924 | asix_sw_reset(dev, 0, 0); |
| 925 | msleep(150); |
| 926 | |
| 927 | asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD, 0); |
| 928 | msleep(150); |
| 929 | |
| 930 | asix_write_rx_ctl(dev, 0, 0); |
| 931 | |
| 932 | if (data->phymode == PHY_MODE_MARVELL) { |
| 933 | marvell_phy_init(dev); |
| 934 | msleep(60); |
| 935 | } else if (data->phymode == PHY_MODE_RTL8211CL) |
| 936 | rtl8211cl_phy_init(dev); |
| 937 | |
| 938 | asix_phy_reset(dev, BMCR_RESET | BMCR_ANENABLE); |
| 939 | asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE, |
| 940 | ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP); |
| 941 | asix_mdio_write(dev->net, dev->mii.phy_id, MII_CTRL1000, |
| 942 | ADVERTISE_1000FULL); |
| 943 | |
| 944 | asix_write_medium_mode(dev, AX88178_MEDIUM_DEFAULT, 0); |
| 945 | mii_nway_restart(&dev->mii); |
| 946 | |
| 947 | /* Rewrite MAC address */ |
| 948 | memcpy(data->mac_addr, dev->net->dev_addr, ETH_ALEN); |
| 949 | ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN, |
| 950 | data->mac_addr, 0); |
| 951 | if (ret < 0) |
| 952 | return ret; |
| 953 | |
| 954 | ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, 0); |
| 955 | if (ret < 0) |
| 956 | return ret; |
| 957 | |
| 958 | return 0; |
| 959 | } |
| 960 | |
| 961 | static int ax88178_link_reset(struct usbnet *dev) |
| 962 | { |
| 963 | u16 mode; |
| 964 | struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET }; |
| 965 | struct asix_data *data = (struct asix_data *)&dev->data; |
| 966 | u32 speed; |
| 967 | |
| 968 | netdev_dbg(dev->net, "ax88178_link_reset()\n"); |
| 969 | |
| 970 | mii_check_media(&dev->mii, 1, 1); |
| 971 | mii_ethtool_gset(&dev->mii, &ecmd); |
| 972 | mode = AX88178_MEDIUM_DEFAULT; |
| 973 | speed = ethtool_cmd_speed(&ecmd); |
| 974 | |
| 975 | if (speed == SPEED_1000) |
| 976 | mode |= AX_MEDIUM_GM; |
| 977 | else if (speed == SPEED_100) |
| 978 | mode |= AX_MEDIUM_PS; |
| 979 | else |
| 980 | mode &= ~(AX_MEDIUM_PS | AX_MEDIUM_GM); |
| 981 | |
| 982 | mode |= AX_MEDIUM_ENCK; |
| 983 | |
| 984 | if (ecmd.duplex == DUPLEX_FULL) |
| 985 | mode |= AX_MEDIUM_FD; |
| 986 | else |
| 987 | mode &= ~AX_MEDIUM_FD; |
| 988 | |
| 989 | netdev_dbg(dev->net, "ax88178_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n", |
| 990 | speed, ecmd.duplex, mode); |
| 991 | |
| 992 | asix_write_medium_mode(dev, mode, 0); |
| 993 | |
| 994 | if (data->phymode == PHY_MODE_MARVELL && data->ledmode) |
| 995 | marvell_led_status(dev, speed); |
| 996 | |
| 997 | return 0; |
| 998 | } |
| 999 | |
| 1000 | static void ax88178_set_mfb(struct usbnet *dev) |
| 1001 | { |
| 1002 | u16 mfb = AX_RX_CTL_MFB_16384; |
| 1003 | u16 rxctl; |
| 1004 | u16 medium; |
| 1005 | int old_rx_urb_size = dev->rx_urb_size; |
| 1006 | |
| 1007 | if (dev->hard_mtu < 2048) { |
| 1008 | dev->rx_urb_size = 2048; |
| 1009 | mfb = AX_RX_CTL_MFB_2048; |
| 1010 | } else if (dev->hard_mtu < 4096) { |
| 1011 | dev->rx_urb_size = 4096; |
| 1012 | mfb = AX_RX_CTL_MFB_4096; |
| 1013 | } else if (dev->hard_mtu < 8192) { |
| 1014 | dev->rx_urb_size = 8192; |
| 1015 | mfb = AX_RX_CTL_MFB_8192; |
| 1016 | } else if (dev->hard_mtu < 16384) { |
| 1017 | dev->rx_urb_size = 16384; |
| 1018 | mfb = AX_RX_CTL_MFB_16384; |
| 1019 | } |
| 1020 | |
| 1021 | rxctl = asix_read_rx_ctl(dev, 0); |
| 1022 | asix_write_rx_ctl(dev, (rxctl & ~AX_RX_CTL_MFB_16384) | mfb, 0); |
| 1023 | |
| 1024 | medium = asix_read_medium_status(dev, 0); |
| 1025 | if (dev->net->mtu > 1500) |
| 1026 | medium |= AX_MEDIUM_JFE; |
| 1027 | else |
| 1028 | medium &= ~AX_MEDIUM_JFE; |
| 1029 | asix_write_medium_mode(dev, medium, 0); |
| 1030 | |
| 1031 | if (dev->rx_urb_size > old_rx_urb_size) |
| 1032 | usbnet_unlink_rx_urbs(dev); |
| 1033 | } |
| 1034 | |
| 1035 | static int ax88178_change_mtu(struct net_device *net, int new_mtu) |
| 1036 | { |
| 1037 | struct usbnet *dev = netdev_priv(net); |
| 1038 | int ll_mtu = new_mtu + net->hard_header_len + 4; |
| 1039 | |
| 1040 | netdev_dbg(dev->net, "ax88178_change_mtu() new_mtu=%d\n", new_mtu); |
| 1041 | |
| 1042 | if ((ll_mtu % dev->maxpacket) == 0) |
| 1043 | return -EDOM; |
| 1044 | |
| 1045 | net->mtu = new_mtu; |
| 1046 | dev->hard_mtu = net->mtu + net->hard_header_len; |
| 1047 | ax88178_set_mfb(dev); |
| 1048 | |
| 1049 | /* max qlen depend on hard_mtu and rx_urb_size */ |
| 1050 | usbnet_update_max_qlen(dev); |
| 1051 | |
| 1052 | return 0; |
| 1053 | } |
| 1054 | |
| 1055 | static const struct net_device_ops ax88178_netdev_ops = { |
| 1056 | .ndo_open = usbnet_open, |
| 1057 | .ndo_stop = usbnet_stop, |
| 1058 | .ndo_start_xmit = usbnet_start_xmit, |
| 1059 | .ndo_tx_timeout = usbnet_tx_timeout, |
| 1060 | .ndo_get_stats64 = usbnet_get_stats64, |
| 1061 | .ndo_set_mac_address = asix_set_mac_address, |
| 1062 | .ndo_validate_addr = eth_validate_addr, |
| 1063 | .ndo_set_rx_mode = asix_set_multicast, |
| 1064 | .ndo_do_ioctl = asix_ioctl, |
| 1065 | .ndo_change_mtu = ax88178_change_mtu, |
| 1066 | }; |
| 1067 | |
| 1068 | static int ax88178_bind(struct usbnet *dev, struct usb_interface *intf) |
| 1069 | { |
| 1070 | int ret; |
| 1071 | u8 buf[ETH_ALEN]; |
| 1072 | |
| 1073 | usbnet_get_endpoints(dev,intf); |
| 1074 | |
| 1075 | /* Get the MAC address */ |
| 1076 | ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf, 0); |
| 1077 | if (ret < 0) { |
| 1078 | netdev_dbg(dev->net, "Failed to read MAC address: %d\n", ret); |
| 1079 | return ret; |
| 1080 | } |
| 1081 | |
| 1082 | asix_set_netdev_dev_addr(dev, buf); |
| 1083 | |
| 1084 | /* Initialize MII structure */ |
| 1085 | dev->mii.dev = dev->net; |
| 1086 | dev->mii.mdio_read = asix_mdio_read; |
| 1087 | dev->mii.mdio_write = asix_mdio_write; |
| 1088 | dev->mii.phy_id_mask = 0x1f; |
| 1089 | dev->mii.reg_num_mask = 0xff; |
| 1090 | dev->mii.supports_gmii = 1; |
| 1091 | dev->mii.phy_id = asix_get_phy_addr(dev); |
| 1092 | |
| 1093 | dev->net->netdev_ops = &ax88178_netdev_ops; |
| 1094 | dev->net->ethtool_ops = &ax88178_ethtool_ops; |
| 1095 | dev->net->max_mtu = 16384 - (dev->net->hard_header_len + 4); |
| 1096 | |
| 1097 | /* Blink LEDS so users know driver saw dongle */ |
| 1098 | asix_sw_reset(dev, 0, 0); |
| 1099 | msleep(150); |
| 1100 | |
| 1101 | asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD, 0); |
| 1102 | msleep(150); |
| 1103 | |
| 1104 | /* Asix framing packs multiple eth frames into a 2K usb bulk transfer */ |
| 1105 | if (dev->driver_info->flags & FLAG_FRAMING_AX) { |
| 1106 | /* hard_mtu is still the default - the device does not support |
| 1107 | jumbo eth frames */ |
| 1108 | dev->rx_urb_size = 2048; |
| 1109 | } |
| 1110 | |
| 1111 | dev->driver_priv = kzalloc(sizeof(struct asix_common_private), GFP_KERNEL); |
| 1112 | if (!dev->driver_priv) |
| 1113 | return -ENOMEM; |
| 1114 | |
| 1115 | return 0; |
| 1116 | } |
| 1117 | |
| 1118 | static const struct driver_info ax8817x_info = { |
| 1119 | .description = "ASIX AX8817x USB 2.0 Ethernet", |
| 1120 | .bind = ax88172_bind, |
| 1121 | .status = asix_status, |
| 1122 | .link_reset = ax88172_link_reset, |
| 1123 | .reset = ax88172_link_reset, |
| 1124 | .flags = FLAG_ETHER | FLAG_LINK_INTR, |
| 1125 | .data = 0x00130103, |
| 1126 | }; |
| 1127 | |
| 1128 | static const struct driver_info dlink_dub_e100_info = { |
| 1129 | .description = "DLink DUB-E100 USB Ethernet", |
| 1130 | .bind = ax88172_bind, |
| 1131 | .status = asix_status, |
| 1132 | .link_reset = ax88172_link_reset, |
| 1133 | .reset = ax88172_link_reset, |
| 1134 | .flags = FLAG_ETHER | FLAG_LINK_INTR, |
| 1135 | .data = 0x009f9d9f, |
| 1136 | }; |
| 1137 | |
| 1138 | static const struct driver_info netgear_fa120_info = { |
| 1139 | .description = "Netgear FA-120 USB Ethernet", |
| 1140 | .bind = ax88172_bind, |
| 1141 | .status = asix_status, |
| 1142 | .link_reset = ax88172_link_reset, |
| 1143 | .reset = ax88172_link_reset, |
| 1144 | .flags = FLAG_ETHER | FLAG_LINK_INTR, |
| 1145 | .data = 0x00130103, |
| 1146 | }; |
| 1147 | |
| 1148 | static const struct driver_info hawking_uf200_info = { |
| 1149 | .description = "Hawking UF200 USB Ethernet", |
| 1150 | .bind = ax88172_bind, |
| 1151 | .status = asix_status, |
| 1152 | .link_reset = ax88172_link_reset, |
| 1153 | .reset = ax88172_link_reset, |
| 1154 | .flags = FLAG_ETHER | FLAG_LINK_INTR, |
| 1155 | .data = 0x001f1d1f, |
| 1156 | }; |
| 1157 | |
| 1158 | static const struct driver_info ax88772_info = { |
| 1159 | .description = "ASIX AX88772 USB 2.0 Ethernet", |
| 1160 | .bind = ax88772_bind, |
| 1161 | .unbind = ax88772_unbind, |
| 1162 | .status = asix_status, |
| 1163 | .link_reset = ax88772_link_reset, |
| 1164 | .reset = ax88772_reset, |
| 1165 | .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR | FLAG_MULTI_PACKET, |
| 1166 | .rx_fixup = asix_rx_fixup_common, |
| 1167 | .tx_fixup = asix_tx_fixup, |
| 1168 | }; |
| 1169 | |
| 1170 | static const struct driver_info ax88772b_info = { |
| 1171 | .description = "ASIX AX88772B USB 2.0 Ethernet", |
| 1172 | .bind = ax88772_bind, |
| 1173 | .unbind = ax88772_unbind, |
| 1174 | .status = asix_status, |
| 1175 | .link_reset = ax88772_link_reset, |
| 1176 | .reset = ax88772_reset, |
| 1177 | .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR | |
| 1178 | FLAG_MULTI_PACKET, |
| 1179 | .rx_fixup = asix_rx_fixup_common, |
| 1180 | .tx_fixup = asix_tx_fixup, |
| 1181 | .data = FLAG_EEPROM_MAC, |
| 1182 | }; |
| 1183 | |
| 1184 | static const struct driver_info ax88178_info = { |
| 1185 | .description = "ASIX AX88178 USB 2.0 Ethernet", |
| 1186 | .bind = ax88178_bind, |
| 1187 | .unbind = ax88772_unbind, |
| 1188 | .status = asix_status, |
| 1189 | .link_reset = ax88178_link_reset, |
| 1190 | .reset = ax88178_reset, |
| 1191 | .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR | |
| 1192 | FLAG_MULTI_PACKET, |
| 1193 | .rx_fixup = asix_rx_fixup_common, |
| 1194 | .tx_fixup = asix_tx_fixup, |
| 1195 | }; |
| 1196 | |
| 1197 | /* |
| 1198 | * USBLINK 20F9 "USB 2.0 LAN" USB ethernet adapter, typically found in |
| 1199 | * no-name packaging. |
| 1200 | * USB device strings are: |
| 1201 | * 1: Manufacturer: USBLINK |
| 1202 | * 2: Product: HG20F9 USB2.0 |
| 1203 | * 3: Serial: 000003 |
| 1204 | * Appears to be compatible with Asix 88772B. |
| 1205 | */ |
| 1206 | static const struct driver_info hg20f9_info = { |
| 1207 | .description = "HG20F9 USB 2.0 Ethernet", |
| 1208 | .bind = ax88772_bind, |
| 1209 | .unbind = ax88772_unbind, |
| 1210 | .status = asix_status, |
| 1211 | .link_reset = ax88772_link_reset, |
| 1212 | .reset = ax88772_reset, |
| 1213 | .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR | |
| 1214 | FLAG_MULTI_PACKET, |
| 1215 | .rx_fixup = asix_rx_fixup_common, |
| 1216 | .tx_fixup = asix_tx_fixup, |
| 1217 | .data = FLAG_EEPROM_MAC, |
| 1218 | }; |
| 1219 | |
| 1220 | static const struct usb_device_id products [] = { |
| 1221 | { |
| 1222 | // Linksys USB200M |
| 1223 | USB_DEVICE (0x077b, 0x2226), |
| 1224 | .driver_info = (unsigned long) &ax8817x_info, |
| 1225 | }, { |
| 1226 | // Netgear FA120 |
| 1227 | USB_DEVICE (0x0846, 0x1040), |
| 1228 | .driver_info = (unsigned long) &netgear_fa120_info, |
| 1229 | }, { |
| 1230 | // DLink DUB-E100 |
| 1231 | USB_DEVICE (0x2001, 0x1a00), |
| 1232 | .driver_info = (unsigned long) &dlink_dub_e100_info, |
| 1233 | }, { |
| 1234 | // Intellinet, ST Lab USB Ethernet |
| 1235 | USB_DEVICE (0x0b95, 0x1720), |
| 1236 | .driver_info = (unsigned long) &ax8817x_info, |
| 1237 | }, { |
| 1238 | // Hawking UF200, TrendNet TU2-ET100 |
| 1239 | USB_DEVICE (0x07b8, 0x420a), |
| 1240 | .driver_info = (unsigned long) &hawking_uf200_info, |
| 1241 | }, { |
| 1242 | // Billionton Systems, USB2AR |
| 1243 | USB_DEVICE (0x08dd, 0x90ff), |
| 1244 | .driver_info = (unsigned long) &ax8817x_info, |
| 1245 | }, { |
| 1246 | // Billionton Systems, GUSB2AM-1G-B |
| 1247 | USB_DEVICE(0x08dd, 0x0114), |
| 1248 | .driver_info = (unsigned long) &ax88178_info, |
| 1249 | }, { |
| 1250 | // ATEN UC210T |
| 1251 | USB_DEVICE (0x0557, 0x2009), |
| 1252 | .driver_info = (unsigned long) &ax8817x_info, |
| 1253 | }, { |
| 1254 | // Buffalo LUA-U2-KTX |
| 1255 | USB_DEVICE (0x0411, 0x003d), |
| 1256 | .driver_info = (unsigned long) &ax8817x_info, |
| 1257 | }, { |
| 1258 | // Buffalo LUA-U2-GT 10/100/1000 |
| 1259 | USB_DEVICE (0x0411, 0x006e), |
| 1260 | .driver_info = (unsigned long) &ax88178_info, |
| 1261 | }, { |
| 1262 | // Sitecom LN-029 "USB 2.0 10/100 Ethernet adapter" |
| 1263 | USB_DEVICE (0x6189, 0x182d), |
| 1264 | .driver_info = (unsigned long) &ax8817x_info, |
| 1265 | }, { |
| 1266 | // Sitecom LN-031 "USB 2.0 10/100/1000 Ethernet adapter" |
| 1267 | USB_DEVICE (0x0df6, 0x0056), |
| 1268 | .driver_info = (unsigned long) &ax88178_info, |
| 1269 | }, { |
| 1270 | // Sitecom LN-028 "USB 2.0 10/100/1000 Ethernet adapter" |
| 1271 | USB_DEVICE (0x0df6, 0x061c), |
| 1272 | .driver_info = (unsigned long) &ax88178_info, |
| 1273 | }, { |
| 1274 | // corega FEther USB2-TX |
| 1275 | USB_DEVICE (0x07aa, 0x0017), |
| 1276 | .driver_info = (unsigned long) &ax8817x_info, |
| 1277 | }, { |
| 1278 | // Surecom EP-1427X-2 |
| 1279 | USB_DEVICE (0x1189, 0x0893), |
| 1280 | .driver_info = (unsigned long) &ax8817x_info, |
| 1281 | }, { |
| 1282 | // goodway corp usb gwusb2e |
| 1283 | USB_DEVICE (0x1631, 0x6200), |
| 1284 | .driver_info = (unsigned long) &ax8817x_info, |
| 1285 | }, { |
| 1286 | // JVC MP-PRX1 Port Replicator |
| 1287 | USB_DEVICE (0x04f1, 0x3008), |
| 1288 | .driver_info = (unsigned long) &ax8817x_info, |
| 1289 | }, { |
| 1290 | // Lenovo U2L100P 10/100 |
| 1291 | USB_DEVICE (0x17ef, 0x7203), |
| 1292 | .driver_info = (unsigned long)&ax88772b_info, |
| 1293 | }, { |
| 1294 | // ASIX AX88772B 10/100 |
| 1295 | USB_DEVICE (0x0b95, 0x772b), |
| 1296 | .driver_info = (unsigned long) &ax88772b_info, |
| 1297 | }, { |
| 1298 | // ASIX AX88772 10/100 |
| 1299 | USB_DEVICE (0x0b95, 0x7720), |
| 1300 | .driver_info = (unsigned long) &ax88772_info, |
| 1301 | }, { |
| 1302 | // ASIX AX88178 10/100/1000 |
| 1303 | USB_DEVICE (0x0b95, 0x1780), |
| 1304 | .driver_info = (unsigned long) &ax88178_info, |
| 1305 | }, { |
| 1306 | // Logitec LAN-GTJ/U2A |
| 1307 | USB_DEVICE (0x0789, 0x0160), |
| 1308 | .driver_info = (unsigned long) &ax88178_info, |
| 1309 | }, { |
| 1310 | // Linksys USB200M Rev 2 |
| 1311 | USB_DEVICE (0x13b1, 0x0018), |
| 1312 | .driver_info = (unsigned long) &ax88772_info, |
| 1313 | }, { |
| 1314 | // 0Q0 cable ethernet |
| 1315 | USB_DEVICE (0x1557, 0x7720), |
| 1316 | .driver_info = (unsigned long) &ax88772_info, |
| 1317 | }, { |
| 1318 | // DLink DUB-E100 H/W Ver B1 |
| 1319 | USB_DEVICE (0x07d1, 0x3c05), |
| 1320 | .driver_info = (unsigned long) &ax88772_info, |
| 1321 | }, { |
| 1322 | // DLink DUB-E100 H/W Ver B1 Alternate |
| 1323 | USB_DEVICE (0x2001, 0x3c05), |
| 1324 | .driver_info = (unsigned long) &ax88772_info, |
| 1325 | }, { |
| 1326 | // DLink DUB-E100 H/W Ver C1 |
| 1327 | USB_DEVICE (0x2001, 0x1a02), |
| 1328 | .driver_info = (unsigned long) &ax88772_info, |
| 1329 | }, { |
| 1330 | // Linksys USB1000 |
| 1331 | USB_DEVICE (0x1737, 0x0039), |
| 1332 | .driver_info = (unsigned long) &ax88178_info, |
| 1333 | }, { |
| 1334 | // IO-DATA ETG-US2 |
| 1335 | USB_DEVICE (0x04bb, 0x0930), |
| 1336 | .driver_info = (unsigned long) &ax88178_info, |
| 1337 | }, { |
| 1338 | // Belkin F5D5055 |
| 1339 | USB_DEVICE(0x050d, 0x5055), |
| 1340 | .driver_info = (unsigned long) &ax88178_info, |
| 1341 | }, { |
| 1342 | // Apple USB Ethernet Adapter |
| 1343 | USB_DEVICE(0x05ac, 0x1402), |
| 1344 | .driver_info = (unsigned long) &ax88772_info, |
| 1345 | }, { |
| 1346 | // Cables-to-Go USB Ethernet Adapter |
| 1347 | USB_DEVICE(0x0b95, 0x772a), |
| 1348 | .driver_info = (unsigned long) &ax88772_info, |
| 1349 | }, { |
| 1350 | // ABOCOM for pci |
| 1351 | USB_DEVICE(0x14ea, 0xab11), |
| 1352 | .driver_info = (unsigned long) &ax88178_info, |
| 1353 | }, { |
| 1354 | // ASIX 88772a |
| 1355 | USB_DEVICE(0x0db0, 0xa877), |
| 1356 | .driver_info = (unsigned long) &ax88772_info, |
| 1357 | }, { |
| 1358 | // Asus USB Ethernet Adapter |
| 1359 | USB_DEVICE (0x0b95, 0x7e2b), |
| 1360 | .driver_info = (unsigned long)&ax88772b_info, |
| 1361 | }, { |
| 1362 | /* ASIX 88172a demo board */ |
| 1363 | USB_DEVICE(0x0b95, 0x172a), |
| 1364 | .driver_info = (unsigned long) &ax88172a_info, |
| 1365 | }, { |
| 1366 | /* |
| 1367 | * USBLINK HG20F9 "USB 2.0 LAN" |
| 1368 | * Appears to have gazumped Linksys's manufacturer ID but |
| 1369 | * doesn't (yet) conflict with any known Linksys product. |
| 1370 | */ |
| 1371 | USB_DEVICE(0x066b, 0x20f9), |
| 1372 | .driver_info = (unsigned long) &hg20f9_info, |
| 1373 | }, |
| 1374 | { }, // END |
| 1375 | }; |
| 1376 | MODULE_DEVICE_TABLE(usb, products); |
| 1377 | |
| 1378 | static struct usb_driver asix_driver = { |
| 1379 | .name = DRIVER_NAME, |
| 1380 | .id_table = products, |
| 1381 | .probe = usbnet_probe, |
| 1382 | .suspend = asix_suspend, |
| 1383 | .resume = asix_resume, |
| 1384 | .reset_resume = asix_resume, |
| 1385 | .disconnect = usbnet_disconnect, |
| 1386 | .supports_autosuspend = 1, |
| 1387 | .disable_hub_initiated_lpm = 1, |
| 1388 | }; |
| 1389 | |
| 1390 | module_usb_driver(asix_driver); |
| 1391 | |
| 1392 | MODULE_AUTHOR("David Hollis"); |
| 1393 | MODULE_VERSION(DRIVER_VERSION); |
| 1394 | MODULE_DESCRIPTION("ASIX AX8817X based USB 2.0 Ethernet Devices"); |
| 1395 | MODULE_LICENSE("GPL"); |
| 1396 | |