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linux/drivers/net/usb/asix_devices.c

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/*
* ASIX AX8817X based USB 2.0 Ethernet Devices
* Copyright (C) 2003-2006 David Hollis <dhollis@davehollis.com>
* Copyright (C) 2005 Phil Chang <pchang23@sbcglobal.net>
* Copyright (C) 2006 James Painter <jamie.painter@iname.com>
* Copyright (c) 2002-2003 TiVo Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "asix.h"
#define PHY_MODE_MARVELL 0x0000
#define MII_MARVELL_LED_CTRL 0x0018
#define MII_MARVELL_STATUS 0x001b
#define MII_MARVELL_CTRL 0x0014
#define MARVELL_LED_MANUAL 0x0019
#define MARVELL_STATUS_HWCFG 0x0004
#define MARVELL_CTRL_TXDELAY 0x0002
#define MARVELL_CTRL_RXDELAY 0x0080
#define PHY_MODE_RTL8211CL 0x000C
struct ax88172_int_data {
__le16 res1;
u8 link;
__le16 res2;
u8 status;
__le16 res3;
} __packed;
static void asix_status(struct usbnet *dev, struct urb *urb)
{
struct ax88172_int_data *event;
int link;
if (urb->actual_length < 8)
return;
event = urb->transfer_buffer;
link = event->link & 0x01;
if (netif_carrier_ok(dev->net) != link) {
usbnet_link_change(dev, link, 1);
netdev_dbg(dev->net, "Link Status is: %d\n", link);
}
}
static void asix_set_netdev_dev_addr(struct usbnet *dev, u8 *addr)
{
if (is_valid_ether_addr(addr)) {
memcpy(dev->net->dev_addr, addr, ETH_ALEN);
} else {
netdev_info(dev->net, "invalid hw address, using random\n");
eth_hw_addr_random(dev->net);
}
}
/* Get the PHY Identifier from the PHYSID1 & PHYSID2 MII registers */
static u32 asix_get_phyid(struct usbnet *dev)
{
int phy_reg;
u32 phy_id;
int i;
/* Poll for the rare case the FW or phy isn't ready yet. */
for (i = 0; i < 100; i++) {
phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID1);
if (phy_reg != 0 && phy_reg != 0xFFFF)
break;
mdelay(1);
}
if (phy_reg <= 0 || phy_reg == 0xFFFF)
return 0;
phy_id = (phy_reg & 0xffff) << 16;
phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID2);
if (phy_reg < 0)
return 0;
phy_id |= (phy_reg & 0xffff);
return phy_id;
}
static u32 asix_get_link(struct net_device *net)
{
struct usbnet *dev = netdev_priv(net);
return mii_link_ok(&dev->mii);
}
static int asix_ioctl (struct net_device *net, struct ifreq *rq, int cmd)
{
struct usbnet *dev = netdev_priv(net);
return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
}
/* We need to override some ethtool_ops so we require our
own structure so we don't interfere with other usbnet
devices that may be connected at the same time. */
static const struct ethtool_ops ax88172_ethtool_ops = {
.get_drvinfo = asix_get_drvinfo,
.get_link = asix_get_link,
.get_msglevel = usbnet_get_msglevel,
.set_msglevel = usbnet_set_msglevel,
.get_wol = asix_get_wol,
.set_wol = asix_set_wol,
.get_eeprom_len = asix_get_eeprom_len,
.get_eeprom = asix_get_eeprom,
.set_eeprom = asix_set_eeprom,
.get_settings = usbnet_get_settings,
.set_settings = usbnet_set_settings,
.nway_reset = usbnet_nway_reset,
};
static void ax88172_set_multicast(struct net_device *net)
{
struct usbnet *dev = netdev_priv(net);
struct asix_data *data = (struct asix_data *)&dev->data;
u8 rx_ctl = 0x8c;
if (net->flags & IFF_PROMISC) {
rx_ctl |= 0x01;
} else if (net->flags & IFF_ALLMULTI ||
netdev_mc_count(net) > AX_MAX_MCAST) {
rx_ctl |= 0x02;
} else if (netdev_mc_empty(net)) {
/* just broadcast and directed */
} else {
/* We use the 20 byte dev->data
* for our 8 byte filter buffer
* to avoid allocating memory that
* is tricky to free later */
struct netdev_hw_addr *ha;
u32 crc_bits;
memset(data->multi_filter, 0, AX_MCAST_FILTER_SIZE);
/* Build the multicast hash filter. */
netdev_for_each_mc_addr(ha, net) {
crc_bits = ether_crc(ETH_ALEN, ha->addr) >> 26;
data->multi_filter[crc_bits >> 3] |=
1 << (crc_bits & 7);
}
asix_write_cmd_async(dev, AX_CMD_WRITE_MULTI_FILTER, 0, 0,
AX_MCAST_FILTER_SIZE, data->multi_filter);
rx_ctl |= 0x10;
}
asix_write_cmd_async(dev, AX_CMD_WRITE_RX_CTL, rx_ctl, 0, 0, NULL);
}
static int ax88172_link_reset(struct usbnet *dev)
{
u8 mode;
struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
mii_check_media(&dev->mii, 1, 1);
mii_ethtool_gset(&dev->mii, &ecmd);
mode = AX88172_MEDIUM_DEFAULT;
if (ecmd.duplex != DUPLEX_FULL)
mode |= ~AX88172_MEDIUM_FD;
netdev_dbg(dev->net, "ax88172_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
ethtool_cmd_speed(&ecmd), ecmd.duplex, mode);
asix_write_medium_mode(dev, mode);
return 0;
}
static const struct net_device_ops ax88172_netdev_ops = {
.ndo_open = usbnet_open,
.ndo_stop = usbnet_stop,
.ndo_start_xmit = usbnet_start_xmit,
.ndo_tx_timeout = usbnet_tx_timeout,
.ndo_change_mtu = usbnet_change_mtu,
.ndo_set_mac_address = eth_mac_addr,
.ndo_validate_addr = eth_validate_addr,
.ndo_do_ioctl = asix_ioctl,
.ndo_set_rx_mode = ax88172_set_multicast,
};
static int ax88172_bind(struct usbnet *dev, struct usb_interface *intf)
{
int ret = 0;
u8 buf[ETH_ALEN];
int i;
unsigned long gpio_bits = dev->driver_info->data;
usbnet_get_endpoints(dev,intf);
/* Toggle the GPIOs in a manufacturer/model specific way */
for (i = 2; i >= 0; i--) {
ret = asix_write_cmd(dev, AX_CMD_WRITE_GPIOS,
(gpio_bits >> (i * 8)) & 0xff, 0, 0, NULL);
if (ret < 0)
goto out;
msleep(5);
}
ret = asix_write_rx_ctl(dev, 0x80);
if (ret < 0)
goto out;
/* Get the MAC address */
ret = asix_read_cmd(dev, AX88172_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf);
if (ret < 0) {
netdev_dbg(dev->net, "read AX_CMD_READ_NODE_ID failed: %d\n",
ret);
goto out;
}
asix_set_netdev_dev_addr(dev, buf);
/* Initialize MII structure */
dev->mii.dev = dev->net;
dev->mii.mdio_read = asix_mdio_read;
dev->mii.mdio_write = asix_mdio_write;
dev->mii.phy_id_mask = 0x3f;
dev->mii.reg_num_mask = 0x1f;
dev->mii.phy_id = asix_get_phy_addr(dev);
dev->net->netdev_ops = &ax88172_netdev_ops;
dev->net->ethtool_ops = &ax88172_ethtool_ops;
dev->net->needed_headroom = 4; /* cf asix_tx_fixup() */
dev->net->needed_tailroom = 4; /* cf asix_tx_fixup() */
asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET);
asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
mii_nway_restart(&dev->mii);
return 0;
out:
return ret;
}
static const struct ethtool_ops ax88772_ethtool_ops = {
.get_drvinfo = asix_get_drvinfo,
.get_link = asix_get_link,
.get_msglevel = usbnet_get_msglevel,
.set_msglevel = usbnet_set_msglevel,
.get_wol = asix_get_wol,
.set_wol = asix_set_wol,
.get_eeprom_len = asix_get_eeprom_len,
.get_eeprom = asix_get_eeprom,
.set_eeprom = asix_set_eeprom,
.get_settings = usbnet_get_settings,
.set_settings = usbnet_set_settings,
.nway_reset = usbnet_nway_reset,
};
static int ax88772_link_reset(struct usbnet *dev)
{
u16 mode;
struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
mii_check_media(&dev->mii, 1, 1);
mii_ethtool_gset(&dev->mii, &ecmd);
mode = AX88772_MEDIUM_DEFAULT;
if (ethtool_cmd_speed(&ecmd) != SPEED_100)
mode &= ~AX_MEDIUM_PS;
if (ecmd.duplex != DUPLEX_FULL)
mode &= ~AX_MEDIUM_FD;
netdev_dbg(dev->net, "ax88772_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
ethtool_cmd_speed(&ecmd), ecmd.duplex, mode);
asix_write_medium_mode(dev, mode);
return 0;
}
static int ax88772_reset(struct usbnet *dev)
{
struct asix_data *data = (struct asix_data *)&dev->data;
int ret, embd_phy;
u16 rx_ctl;
ret = asix_write_gpio(dev,
AX_GPIO_RSE | AX_GPIO_GPO_2 | AX_GPIO_GPO2EN, 5);
if (ret < 0)
goto out;
embd_phy = ((asix_get_phy_addr(dev) & 0x1f) == 0x10 ? 1 : 0);
ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, embd_phy, 0, 0, NULL);
if (ret < 0) {
netdev_dbg(dev->net, "Select PHY #1 failed: %d\n", ret);
goto out;
}
ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_PRL);
if (ret < 0)
goto out;
msleep(150);
ret = asix_sw_reset(dev, AX_SWRESET_CLEAR);
if (ret < 0)
goto out;
msleep(150);
if (embd_phy) {
ret = asix_sw_reset(dev, AX_SWRESET_IPRL);
if (ret < 0)
goto out;
} else {
ret = asix_sw_reset(dev, AX_SWRESET_PRTE);
if (ret < 0)
goto out;
}
msleep(150);
rx_ctl = asix_read_rx_ctl(dev);
netdev_dbg(dev->net, "RX_CTL is 0x%04x after software reset\n", rx_ctl);
ret = asix_write_rx_ctl(dev, 0x0000);
if (ret < 0)
goto out;
rx_ctl = asix_read_rx_ctl(dev);
netdev_dbg(dev->net, "RX_CTL is 0x%04x setting to 0x0000\n", rx_ctl);
ret = asix_sw_reset(dev, AX_SWRESET_PRL);
if (ret < 0)
goto out;
msleep(150);
ret = asix_sw_reset(dev, AX_SWRESET_IPRL | AX_SWRESET_PRL);
if (ret < 0)
goto out;
msleep(150);
asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET);
asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
ADVERTISE_ALL | ADVERTISE_CSMA);
mii_nway_restart(&dev->mii);
ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT);
if (ret < 0)
goto out;
ret = asix_write_cmd(dev, AX_CMD_WRITE_IPG0,
AX88772_IPG0_DEFAULT | AX88772_IPG1_DEFAULT,
AX88772_IPG2_DEFAULT, 0, NULL);
if (ret < 0) {
netdev_dbg(dev->net, "Write IPG,IPG1,IPG2 failed: %d\n", ret);
goto out;
}
/* Rewrite MAC address */
memcpy(data->mac_addr, dev->net->dev_addr, ETH_ALEN);
ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN,
data->mac_addr);
if (ret < 0)
goto out;
/* Set RX_CTL to default values with 2k buffer, and enable cactus */
ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL);
if (ret < 0)
goto out;
rx_ctl = asix_read_rx_ctl(dev);
netdev_dbg(dev->net, "RX_CTL is 0x%04x after all initializations\n",
rx_ctl);
rx_ctl = asix_read_medium_status(dev);
netdev_dbg(dev->net,
"Medium Status is 0x%04x after all initializations\n",
rx_ctl);
return 0;
out:
return ret;
}
static const struct net_device_ops ax88772_netdev_ops = {
.ndo_open = usbnet_open,
.ndo_stop = usbnet_stop,
.ndo_start_xmit = usbnet_start_xmit,
.ndo_tx_timeout = usbnet_tx_timeout,
.ndo_change_mtu = usbnet_change_mtu,
.ndo_set_mac_address = asix_set_mac_address,
.ndo_validate_addr = eth_validate_addr,
.ndo_do_ioctl = asix_ioctl,
.ndo_set_rx_mode = asix_set_multicast,
};
static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf)
{
int ret, embd_phy, i;
u8 buf[ETH_ALEN];
u32 phyid;
usbnet_get_endpoints(dev,intf);
/* Get the MAC address */
if (dev->driver_info->data & FLAG_EEPROM_MAC) {
for (i = 0; i < (ETH_ALEN >> 1); i++) {
ret = asix_read_cmd(dev, AX_CMD_READ_EEPROM, 0x04 + i,
0, 2, buf + i * 2);
if (ret < 0)
break;
}
} else {
ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID,
0, 0, ETH_ALEN, buf);
}
if (ret < 0) {
netdev_dbg(dev->net, "Failed to read MAC address: %d\n", ret);
return ret;
}
asix_set_netdev_dev_addr(dev, buf);
/* Initialize MII structure */
dev->mii.dev = dev->net;
dev->mii.mdio_read = asix_mdio_read;
dev->mii.mdio_write = asix_mdio_write;
dev->mii.phy_id_mask = 0x1f;
dev->mii.reg_num_mask = 0x1f;
dev->mii.phy_id = asix_get_phy_addr(dev);
dev->net->netdev_ops = &ax88772_netdev_ops;
dev->net->ethtool_ops = &ax88772_ethtool_ops;
dev->net->needed_headroom = 4; /* cf asix_tx_fixup() */
dev->net->needed_tailroom = 4; /* cf asix_tx_fixup() */
embd_phy = ((dev->mii.phy_id & 0x1f) == 0x10 ? 1 : 0);
/* Reset the PHY to normal operation mode */
ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, embd_phy, 0, 0, NULL);
if (ret < 0) {
netdev_dbg(dev->net, "Select PHY #1 failed: %d\n", ret);
return ret;
}
ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_PRL);
if (ret < 0)
return ret;
msleep(150);
ret = asix_sw_reset(dev, AX_SWRESET_CLEAR);
if (ret < 0)
return ret;
msleep(150);
ret = asix_sw_reset(dev, embd_phy ? AX_SWRESET_IPRL : AX_SWRESET_PRTE);
/* Read PHYID register *AFTER* the PHY was reset properly */
phyid = asix_get_phyid(dev);
netdev_dbg(dev->net, "PHYID=0x%08x\n", phyid);
/* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
if (dev->driver_info->flags & FLAG_FRAMING_AX) {
/* hard_mtu is still the default - the device does not support
jumbo eth frames */
dev->rx_urb_size = 2048;
}
dev->driver_priv = kzalloc(sizeof(struct asix_common_private), GFP_KERNEL);
if (!dev->driver_priv)
return -ENOMEM;
return 0;
}
static void ax88772_unbind(struct usbnet *dev, struct usb_interface *intf)
{
if (dev->driver_priv)
kfree(dev->driver_priv);
}
static const struct ethtool_ops ax88178_ethtool_ops = {
.get_drvinfo = asix_get_drvinfo,
.get_link = asix_get_link,
.get_msglevel = usbnet_get_msglevel,
.set_msglevel = usbnet_set_msglevel,
.get_wol = asix_get_wol,
.set_wol = asix_set_wol,
.get_eeprom_len = asix_get_eeprom_len,
.get_eeprom = asix_get_eeprom,
.set_eeprom = asix_set_eeprom,
.get_settings = usbnet_get_settings,
.set_settings = usbnet_set_settings,
.nway_reset = usbnet_nway_reset,
};
static int marvell_phy_init(struct usbnet *dev)
{
struct asix_data *data = (struct asix_data *)&dev->data;
u16 reg;
netdev_dbg(dev->net, "marvell_phy_init()\n");
reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_MARVELL_STATUS);
netdev_dbg(dev->net, "MII_MARVELL_STATUS = 0x%04x\n", reg);
asix_mdio_write(dev->net, dev->mii.phy_id, MII_MARVELL_CTRL,
MARVELL_CTRL_RXDELAY | MARVELL_CTRL_TXDELAY);
if (data->ledmode) {
reg = asix_mdio_read(dev->net, dev->mii.phy_id,
MII_MARVELL_LED_CTRL);
netdev_dbg(dev->net, "MII_MARVELL_LED_CTRL (1) = 0x%04x\n", reg);
reg &= 0xf8ff;
reg |= (1 + 0x0100);
asix_mdio_write(dev->net, dev->mii.phy_id,
MII_MARVELL_LED_CTRL, reg);
reg = asix_mdio_read(dev->net, dev->mii.phy_id,
MII_MARVELL_LED_CTRL);
netdev_dbg(dev->net, "MII_MARVELL_LED_CTRL (2) = 0x%04x\n", reg);
reg &= 0xfc0f;
}
return 0;
}
static int rtl8211cl_phy_init(struct usbnet *dev)
{
struct asix_data *data = (struct asix_data *)&dev->data;
netdev_dbg(dev->net, "rtl8211cl_phy_init()\n");
asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0x0005);
asix_mdio_write (dev->net, dev->mii.phy_id, 0x0c, 0);
asix_mdio_write (dev->net, dev->mii.phy_id, 0x01,
asix_mdio_read (dev->net, dev->mii.phy_id, 0x01) | 0x0080);
asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0);
if (data->ledmode == 12) {
asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0x0002);
asix_mdio_write (dev->net, dev->mii.phy_id, 0x1a, 0x00cb);
asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0);
}
return 0;
}
static int marvell_led_status(struct usbnet *dev, u16 speed)
{
u16 reg = asix_mdio_read(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL);
netdev_dbg(dev->net, "marvell_led_status() read 0x%04x\n", reg);
/* Clear out the center LED bits - 0x03F0 */
reg &= 0xfc0f;
switch (speed) {
case SPEED_1000:
reg |= 0x03e0;
break;
case SPEED_100:
reg |= 0x03b0;
break;
default:
reg |= 0x02f0;
}
netdev_dbg(dev->net, "marvell_led_status() writing 0x%04x\n", reg);
asix_mdio_write(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL, reg);
return 0;
}
static int ax88178_reset(struct usbnet *dev)
{
struct asix_data *data = (struct asix_data *)&dev->data;
int ret;
__le16 eeprom;
u8 status;
int gpio0 = 0;
u32 phyid;
asix_read_cmd(dev, AX_CMD_READ_GPIOS, 0, 0, 1, &status);
netdev_dbg(dev->net, "GPIO Status: 0x%04x\n", status);
asix_write_cmd(dev, AX_CMD_WRITE_ENABLE, 0, 0, 0, NULL);
asix_read_cmd(dev, AX_CMD_READ_EEPROM, 0x0017, 0, 2, &eeprom);
asix_write_cmd(dev, AX_CMD_WRITE_DISABLE, 0, 0, 0, NULL);
netdev_dbg(dev->net, "EEPROM index 0x17 is 0x%04x\n", eeprom);
if (eeprom == cpu_to_le16(0xffff)) {
data->phymode = PHY_MODE_MARVELL;
data->ledmode = 0;
gpio0 = 1;
} else {
data->phymode = le16_to_cpu(eeprom) & 0x7F;
data->ledmode = le16_to_cpu(eeprom) >> 8;
gpio0 = (le16_to_cpu(eeprom) & 0x80) ? 0 : 1;
}
netdev_dbg(dev->net, "GPIO0: %d, PhyMode: %d\n", gpio0, data->phymode);
/* Power up external GigaPHY through AX88178 GPIO pin */
asix_write_gpio(dev, AX_GPIO_RSE | AX_GPIO_GPO_1 | AX_GPIO_GPO1EN, 40);
if ((le16_to_cpu(eeprom) >> 8) != 1) {
asix_write_gpio(dev, 0x003c, 30);
asix_write_gpio(dev, 0x001c, 300);
asix_write_gpio(dev, 0x003c, 30);
} else {
netdev_dbg(dev->net, "gpio phymode == 1 path\n");
asix_write_gpio(dev, AX_GPIO_GPO1EN, 30);
asix_write_gpio(dev, AX_GPIO_GPO1EN | AX_GPIO_GPO_1, 30);
}
/* Read PHYID register *AFTER* powering up PHY */
phyid = asix_get_phyid(dev);
netdev_dbg(dev->net, "PHYID=0x%08x\n", phyid);
/* Set AX88178 to enable MII/GMII/RGMII interface for external PHY */
asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, 0, 0, 0, NULL);
asix_sw_reset(dev, 0);
msleep(150);
asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD);
msleep(150);
asix_write_rx_ctl(dev, 0);
if (data->phymode == PHY_MODE_MARVELL) {
marvell_phy_init(dev);
msleep(60);
} else if (data->phymode == PHY_MODE_RTL8211CL)
rtl8211cl_phy_init(dev);
asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR,
BMCR_RESET | BMCR_ANENABLE);
asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
asix_mdio_write(dev->net, dev->mii.phy_id, MII_CTRL1000,
ADVERTISE_1000FULL);
mii_nway_restart(&dev->mii);
ret = asix_write_medium_mode(dev, AX88178_MEDIUM_DEFAULT);
if (ret < 0)
return ret;
/* Rewrite MAC address */
memcpy(data->mac_addr, dev->net->dev_addr, ETH_ALEN);
ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN,
data->mac_addr);
if (ret < 0)
return ret;
ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL);
if (ret < 0)
return ret;
return 0;
}
static int ax88178_link_reset(struct usbnet *dev)
{
u16 mode;
struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
struct asix_data *data = (struct asix_data *)&dev->data;
u32 speed;
netdev_dbg(dev->net, "ax88178_link_reset()\n");
mii_check_media(&dev->mii, 1, 1);
mii_ethtool_gset(&dev->mii, &ecmd);
mode = AX88178_MEDIUM_DEFAULT;
speed = ethtool_cmd_speed(&ecmd);
if (speed == SPEED_1000)
mode |= AX_MEDIUM_GM;
else if (speed == SPEED_100)
mode |= AX_MEDIUM_PS;
else
mode &= ~(AX_MEDIUM_PS | AX_MEDIUM_GM);
mode |= AX_MEDIUM_ENCK;
if (ecmd.duplex == DUPLEX_FULL)
mode |= AX_MEDIUM_FD;
else
mode &= ~AX_MEDIUM_FD;
netdev_dbg(dev->net, "ax88178_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
speed, ecmd.duplex, mode);
asix_write_medium_mode(dev, mode);
if (data->phymode == PHY_MODE_MARVELL && data->ledmode)
marvell_led_status(dev, speed);
return 0;
}
static void ax88178_set_mfb(struct usbnet *dev)
{
u16 mfb = AX_RX_CTL_MFB_16384;
u16 rxctl;
u16 medium;
int old_rx_urb_size = dev->rx_urb_size;
if (dev->hard_mtu < 2048) {
dev->rx_urb_size = 2048;
mfb = AX_RX_CTL_MFB_2048;
} else if (dev->hard_mtu < 4096) {
dev->rx_urb_size = 4096;
mfb = AX_RX_CTL_MFB_4096;
} else if (dev->hard_mtu < 8192) {
dev->rx_urb_size = 8192;
mfb = AX_RX_CTL_MFB_8192;
} else if (dev->hard_mtu < 16384) {
dev->rx_urb_size = 16384;
mfb = AX_RX_CTL_MFB_16384;
}
rxctl = asix_read_rx_ctl(dev);
asix_write_rx_ctl(dev, (rxctl & ~AX_RX_CTL_MFB_16384) | mfb);
medium = asix_read_medium_status(dev);
if (dev->net->mtu > 1500)
medium |= AX_MEDIUM_JFE;
else
medium &= ~AX_MEDIUM_JFE;
asix_write_medium_mode(dev, medium);
if (dev->rx_urb_size > old_rx_urb_size)
usbnet_unlink_rx_urbs(dev);
}
static int ax88178_change_mtu(struct net_device *net, int new_mtu)
{
struct usbnet *dev = netdev_priv(net);
int ll_mtu = new_mtu + net->hard_header_len + 4;
netdev_dbg(dev->net, "ax88178_change_mtu() new_mtu=%d\n", new_mtu);
if (new_mtu <= 0 || ll_mtu > 16384)
return -EINVAL;
if ((ll_mtu % dev->maxpacket) == 0)
return -EDOM;
net->mtu = new_mtu;
dev->hard_mtu = net->mtu + net->hard_header_len;
ax88178_set_mfb(dev);
/* max qlen depend on hard_mtu and rx_urb_size */
usbnet_update_max_qlen(dev);
return 0;
}
static const struct net_device_ops ax88178_netdev_ops = {
.ndo_open = usbnet_open,
.ndo_stop = usbnet_stop,
.ndo_start_xmit = usbnet_start_xmit,
.ndo_tx_timeout = usbnet_tx_timeout,
.ndo_set_mac_address = asix_set_mac_address,
.ndo_validate_addr = eth_validate_addr,
.ndo_set_rx_mode = asix_set_multicast,
.ndo_do_ioctl = asix_ioctl,
.ndo_change_mtu = ax88178_change_mtu,
};
static int ax88178_bind(struct usbnet *dev, struct usb_interface *intf)
{
int ret;
u8 buf[ETH_ALEN];
usbnet_get_endpoints(dev,intf);
/* Get the MAC address */
ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf);
if (ret < 0) {
netdev_dbg(dev->net, "Failed to read MAC address: %d\n", ret);
return ret;
}
asix_set_netdev_dev_addr(dev, buf);
/* Initialize MII structure */
dev->mii.dev = dev->net;
dev->mii.mdio_read = asix_mdio_read;
dev->mii.mdio_write = asix_mdio_write;
dev->mii.phy_id_mask = 0x1f;
dev->mii.reg_num_mask = 0xff;
dev->mii.supports_gmii = 1;
dev->mii.phy_id = asix_get_phy_addr(dev);
dev->net->netdev_ops = &ax88178_netdev_ops;
dev->net->ethtool_ops = &ax88178_ethtool_ops;
/* Blink LEDS so users know driver saw dongle */
asix_sw_reset(dev, 0);
msleep(150);
asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD);
msleep(150);
/* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
if (dev->driver_info->flags & FLAG_FRAMING_AX) {
/* hard_mtu is still the default - the device does not support
jumbo eth frames */
dev->rx_urb_size = 2048;
}
dev->driver_priv = kzalloc(sizeof(struct asix_common_private), GFP_KERNEL);
if (!dev->driver_priv)
return -ENOMEM;
return 0;
}
static const struct driver_info ax8817x_info = {
.description = "ASIX AX8817x USB 2.0 Ethernet",
.bind = ax88172_bind,
.status = asix_status,
.link_reset = ax88172_link_reset,
.reset = ax88172_link_reset,
.flags = FLAG_ETHER | FLAG_LINK_INTR,
.data = 0x00130103,
};
static const struct driver_info dlink_dub_e100_info = {
.description = "DLink DUB-E100 USB Ethernet",
.bind = ax88172_bind,
.status = asix_status,
.link_reset = ax88172_link_reset,
.reset = ax88172_link_reset,
.flags = FLAG_ETHER | FLAG_LINK_INTR,
.data = 0x009f9d9f,
};
static const struct driver_info netgear_fa120_info = {
.description = "Netgear FA-120 USB Ethernet",
.bind = ax88172_bind,
.status = asix_status,
.link_reset = ax88172_link_reset,
.reset = ax88172_link_reset,
.flags = FLAG_ETHER | FLAG_LINK_INTR,
.data = 0x00130103,
};
static const struct driver_info hawking_uf200_info = {
.description = "Hawking UF200 USB Ethernet",
.bind = ax88172_bind,
.status = asix_status,
.link_reset = ax88172_link_reset,
.reset = ax88172_link_reset,
.flags = FLAG_ETHER | FLAG_LINK_INTR,
.data = 0x001f1d1f,
};
static const struct driver_info ax88772_info = {
.description = "ASIX AX88772 USB 2.0 Ethernet",
.bind = ax88772_bind,
.unbind = ax88772_unbind,
.status = asix_status,
.link_reset = ax88772_link_reset,
.reset = ax88772_reset,
.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR | FLAG_MULTI_PACKET,
.rx_fixup = asix_rx_fixup_common,
.tx_fixup = asix_tx_fixup,
};
static const struct driver_info ax88772b_info = {
.description = "ASIX AX88772B USB 2.0 Ethernet",
.bind = ax88772_bind,
.unbind = ax88772_unbind,
.status = asix_status,
.link_reset = ax88772_link_reset,
.reset = ax88772_reset,
.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR |
FLAG_MULTI_PACKET,
.rx_fixup = asix_rx_fixup_common,
.tx_fixup = asix_tx_fixup,
.data = FLAG_EEPROM_MAC,
};
static const struct driver_info ax88178_info = {
.description = "ASIX AX88178 USB 2.0 Ethernet",
.bind = ax88178_bind,
.unbind = ax88772_unbind,
.status = asix_status,
.link_reset = ax88178_link_reset,
.reset = ax88178_reset,
.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR |
FLAG_MULTI_PACKET,
.rx_fixup = asix_rx_fixup_common,
.tx_fixup = asix_tx_fixup,
};
/*
* USBLINK 20F9 "USB 2.0 LAN" USB ethernet adapter, typically found in
* no-name packaging.
* USB device strings are:
* 1: Manufacturer: USBLINK
* 2: Product: HG20F9 USB2.0
* 3: Serial: 000003
* Appears to be compatible with Asix 88772B.
*/
static const struct driver_info hg20f9_info = {
.description = "HG20F9 USB 2.0 Ethernet",
.bind = ax88772_bind,
.unbind = ax88772_unbind,
.status = asix_status,
.link_reset = ax88772_link_reset,
.reset = ax88772_reset,
.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR |
FLAG_MULTI_PACKET,
.rx_fixup = asix_rx_fixup_common,
.tx_fixup = asix_tx_fixup,
.data = FLAG_EEPROM_MAC,
};
static const struct usb_device_id products [] = {
{
// Linksys USB200M
USB_DEVICE (0x077b, 0x2226),
.driver_info = (unsigned long) &ax8817x_info,
}, {
// Netgear FA120
USB_DEVICE (0x0846, 0x1040),
.driver_info = (unsigned long) &netgear_fa120_info,
}, {
// DLink DUB-E100
USB_DEVICE (0x2001, 0x1a00),
.driver_info = (unsigned long) &dlink_dub_e100_info,
}, {
// Intellinet, ST Lab USB Ethernet
USB_DEVICE (0x0b95, 0x1720),
.driver_info = (unsigned long) &ax8817x_info,
}, {
// Hawking UF200, TrendNet TU2-ET100
USB_DEVICE (0x07b8, 0x420a),
.driver_info = (unsigned long) &hawking_uf200_info,
}, {
// Billionton Systems, USB2AR
USB_DEVICE (0x08dd, 0x90ff),
.driver_info = (unsigned long) &ax8817x_info,
}, {
// ATEN UC210T
USB_DEVICE (0x0557, 0x2009),
.driver_info = (unsigned long) &ax8817x_info,
}, {
// Buffalo LUA-U2-KTX
USB_DEVICE (0x0411, 0x003d),
.driver_info = (unsigned long) &ax8817x_info,
}, {
// Buffalo LUA-U2-GT 10/100/1000
USB_DEVICE (0x0411, 0x006e),
.driver_info = (unsigned long) &ax88178_info,
}, {
// Sitecom LN-029 "USB 2.0 10/100 Ethernet adapter"
USB_DEVICE (0x6189, 0x182d),
.driver_info = (unsigned long) &ax8817x_info,
}, {
// Sitecom LN-031 "USB 2.0 10/100/1000 Ethernet adapter"
USB_DEVICE (0x0df6, 0x0056),
.driver_info = (unsigned long) &ax88178_info,
}, {
// corega FEther USB2-TX
USB_DEVICE (0x07aa, 0x0017),
.driver_info = (unsigned long) &ax8817x_info,
}, {
// Surecom EP-1427X-2
USB_DEVICE (0x1189, 0x0893),
.driver_info = (unsigned long) &ax8817x_info,
}, {
// goodway corp usb gwusb2e
USB_DEVICE (0x1631, 0x6200),
.driver_info = (unsigned long) &ax8817x_info,
}, {
// JVC MP-PRX1 Port Replicator
USB_DEVICE (0x04f1, 0x3008),
.driver_info = (unsigned long) &ax8817x_info,
}, {
// Lenovo U2L100P 10/100
USB_DEVICE (0x17ef, 0x7203),
.driver_info = (unsigned long) &ax88772_info,
}, {
// ASIX AX88772B 10/100
USB_DEVICE (0x0b95, 0x772b),
.driver_info = (unsigned long) &ax88772b_info,
}, {
// ASIX AX88772 10/100
USB_DEVICE (0x0b95, 0x7720),
.driver_info = (unsigned long) &ax88772_info,
}, {
// ASIX AX88178 10/100/1000
USB_DEVICE (0x0b95, 0x1780),
.driver_info = (unsigned long) &ax88178_info,
}, {
// Logitec LAN-GTJ/U2A
USB_DEVICE (0x0789, 0x0160),
.driver_info = (unsigned long) &ax88178_info,
}, {
// Linksys USB200M Rev 2
USB_DEVICE (0x13b1, 0x0018),
.driver_info = (unsigned long) &ax88772_info,
}, {
// 0Q0 cable ethernet
USB_DEVICE (0x1557, 0x7720),
.driver_info = (unsigned long) &ax88772_info,
}, {
// DLink DUB-E100 H/W Ver B1
USB_DEVICE (0x07d1, 0x3c05),
.driver_info = (unsigned long) &ax88772_info,
}, {
// DLink DUB-E100 H/W Ver B1 Alternate
USB_DEVICE (0x2001, 0x3c05),
.driver_info = (unsigned long) &ax88772_info,
}, {
// DLink DUB-E100 H/W Ver C1
USB_DEVICE (0x2001, 0x1a02),
.driver_info = (unsigned long) &ax88772_info,
}, {
// Linksys USB1000
USB_DEVICE (0x1737, 0x0039),
.driver_info = (unsigned long) &ax88178_info,
}, {
// IO-DATA ETG-US2
USB_DEVICE (0x04bb, 0x0930),
.driver_info = (unsigned long) &ax88178_info,
}, {
// Belkin F5D5055
USB_DEVICE(0x050d, 0x5055),
.driver_info = (unsigned long) &ax88178_info,
}, {
// Apple USB Ethernet Adapter
USB_DEVICE(0x05ac, 0x1402),
.driver_info = (unsigned long) &ax88772_info,
}, {
// Cables-to-Go USB Ethernet Adapter
USB_DEVICE(0x0b95, 0x772a),
.driver_info = (unsigned long) &ax88772_info,
}, {
// ABOCOM for pci
USB_DEVICE(0x14ea, 0xab11),
.driver_info = (unsigned long) &ax88178_info,
}, {
// ASIX 88772a
USB_DEVICE(0x0db0, 0xa877),
.driver_info = (unsigned long) &ax88772_info,
}, {
// Asus USB Ethernet Adapter
USB_DEVICE (0x0b95, 0x7e2b),
.driver_info = (unsigned long) &ax88772_info,
}, {
/* ASIX 88172a demo board */
USB_DEVICE(0x0b95, 0x172a),
.driver_info = (unsigned long) &ax88172a_info,
}, {
/*
* USBLINK HG20F9 "USB 2.0 LAN"
* Appears to have gazumped Linksys's manufacturer ID but
* doesn't (yet) conflict with any known Linksys product.
*/
USB_DEVICE(0x066b, 0x20f9),
.driver_info = (unsigned long) &hg20f9_info,
},
{ }, // END
};
MODULE_DEVICE_TABLE(usb, products);
static struct usb_driver asix_driver = {
.name = DRIVER_NAME,
.id_table = products,
.probe = usbnet_probe,
.suspend = usbnet_suspend,
.resume = usbnet_resume,
.disconnect = usbnet_disconnect,
.supports_autosuspend = 1,
.disable_hub_initiated_lpm = 1,
};
module_usb_driver(asix_driver);
MODULE_AUTHOR("David Hollis");
MODULE_VERSION(DRIVER_VERSION);
MODULE_DESCRIPTION("ASIX AX8817X based USB 2.0 Ethernet Devices");
MODULE_LICENSE("GPL");
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