[linux-2.6-block.git] / drivers / net / usb / dm9601.c

/*
 * Davicom DM9601 USB 1.1 10/100Mbps ethernet devices
 *
 * Peter Korsgaard <jacmet@sunsite.dk>
 *
 * This file is licensed under the terms of the GNU General Public License
 * version 2.  This program is licensed "as is" without any warranty of any
 * kind, whether express or implied.
 */

//#define DEBUG

#include <linux/module.h>
#include <linux/sched.h>
#include <linux/stddef.h>
#include <linux/init.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/ethtool.h>
#include <linux/mii.h>
#include <linux/usb.h>
#include <linux/crc32.h>
#include <linux/usb/usbnet.h>
#include <linux/slab.h>

/* datasheet:
 http://ptm2.cc.utu.fi/ftp/network/cards/DM9601/From_NET/DM9601-DS-P01-930914.pdf
*/

/* control requests */
#define DM_READ_REGS	0x00
#define DM_WRITE_REGS	0x01
#define DM_READ_MEMS	0x02
#define DM_WRITE_REG	0x03
#define DM_WRITE_MEMS	0x05
#define DM_WRITE_MEM	0x07

/* registers */
#define DM_NET_CTRL	0x00
#define DM_RX_CTRL	0x05
#define DM_SHARED_CTRL	0x0b
#define DM_SHARED_ADDR	0x0c
#define DM_SHARED_DATA	0x0d	/* low + high */
#define DM_PHY_ADDR	0x10	/* 6 bytes */
#define DM_MCAST_ADDR	0x16	/* 8 bytes */
#define DM_GPR_CTRL	0x1e
#define DM_GPR_DATA	0x1f

#define DM_MAX_MCAST	64
#define DM_MCAST_SIZE	8
#define DM_EEPROM_LEN	256
#define DM_TX_OVERHEAD	2	/* 2 byte header */
#define DM_RX_OVERHEAD	7	/* 3 byte header + 4 byte crc tail */
#define DM_TIMEOUT	1000


static int dm_read(struct usbnet *dev, u8 reg, u16 length, void *data)
{
	void *buf;
	int err = -ENOMEM;

	netdev_dbg(dev->net, "dm_read() reg=0x%02x length=%d\n", reg, length);

	buf = kmalloc(length, GFP_KERNEL);
	if (!buf)
		goto out;

	err = usb_control_msg(dev->udev,
			      usb_rcvctrlpipe(dev->udev, 0),
			      DM_READ_REGS,
			      USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
			      0, reg, buf, length, USB_CTRL_SET_TIMEOUT);
	if (err == length)
		memcpy(data, buf, length);
	else if (err >= 0)
		err = -EINVAL;
	kfree(buf);

 out:
	return err;
}

static int dm_read_reg(struct usbnet *dev, u8 reg, u8 *value)
{
	return dm_read(dev, reg, 1, value);
}

static int dm_write(struct usbnet *dev, u8 reg, u16 length, void *data)
{
	void *buf = NULL;
	int err = -ENOMEM;

	netdev_dbg(dev->net, "dm_write() reg=0x%02x, length=%d\n", reg, length);

	if (data) {
		buf = kmalloc(length, GFP_KERNEL);
		if (!buf)
			goto out;
		memcpy(buf, data, length);
	}

	err = usb_control_msg(dev->udev,
			      usb_sndctrlpipe(dev->udev, 0),
			      DM_WRITE_REGS,
			      USB_DIR_OUT | USB_TYPE_VENDOR |USB_RECIP_DEVICE,
			      0, reg, buf, length, USB_CTRL_SET_TIMEOUT);
	kfree(buf);
	if (err >= 0 && err < length)
		err = -EINVAL;
 out:
	return err;
}

static int dm_write_reg(struct usbnet *dev, u8 reg, u8 value)
{
	netdev_dbg(dev->net, "dm_write_reg() reg=0x%02x, value=0x%02x\n",
		   reg, value);
	return usb_control_msg(dev->udev,
			       usb_sndctrlpipe(dev->udev, 0),
			       DM_WRITE_REG,
			       USB_DIR_OUT | USB_TYPE_VENDOR |USB_RECIP_DEVICE,
			       value, reg, NULL, 0, USB_CTRL_SET_TIMEOUT);
}

static void dm_write_async_callback(struct urb *urb)
{
	struct usb_ctrlrequest *req = (struct usb_ctrlrequest *)urb->context;
	int status = urb->status;

	if (status < 0)
		printk(KERN_DEBUG "dm_write_async_callback() failed with %d\n",
		       status);

	kfree(req);
	usb_free_urb(urb);
}

static void dm_write_async_helper(struct usbnet *dev, u8 reg, u8 value,
				  u16 length, void *data)
{
	struct usb_ctrlrequest *req;
	struct urb *urb;
	int status;

	urb = usb_alloc_urb(0, GFP_ATOMIC);
	if (!urb) {
		netdev_err(dev->net, "Error allocating URB in dm_write_async_helper!\n");
		return;
	}

	req = kmalloc(sizeof(struct usb_ctrlrequest), GFP_ATOMIC);
	if (!req) {
		netdev_err(dev->net, "Failed to allocate memory for control request\n");
		usb_free_urb(urb);
		return;
	}

	req->bRequestType = USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE;
	req->bRequest = length ? DM_WRITE_REGS : DM_WRITE_REG;
	req->wValue = cpu_to_le16(value);
	req->wIndex = cpu_to_le16(reg);
	req->wLength = cpu_to_le16(length);

	usb_fill_control_urb(urb, dev->udev,
			     usb_sndctrlpipe(dev->udev, 0),
			     (void *)req, data, length,
			     dm_write_async_callback, req);

	status = usb_submit_urb(urb, GFP_ATOMIC);
	if (status < 0) {
		netdev_err(dev->net, "Error submitting the control message: status=%d\n",
			   status);
		kfree(req);
		usb_free_urb(urb);
	}
}

static void dm_write_async(struct usbnet *dev, u8 reg, u16 length, void *data)
{
	netdev_dbg(dev->net, "dm_write_async() reg=0x%02x length=%d\n", reg, length);

	dm_write_async_helper(dev, reg, 0, length, data);
}

static void dm_write_reg_async(struct usbnet *dev, u8 reg, u8 value)
{
	netdev_dbg(dev->net, "dm_write_reg_async() reg=0x%02x value=0x%02x\n",
		   reg, value);

	dm_write_async_helper(dev, reg, value, 0, NULL);
}

static int dm_read_shared_word(struct usbnet *dev, int phy, u8 reg, __le16 *value)
{
	int ret, i;

	mutex_lock(&dev->phy_mutex);

	dm_write_reg(dev, DM_SHARED_ADDR, phy ? (reg | 0x40) : reg);
	dm_write_reg(dev, DM_SHARED_CTRL, phy ? 0xc : 0x4);

	for (i = 0; i < DM_TIMEOUT; i++) {
		u8 tmp;

		udelay(1);
		ret = dm_read_reg(dev, DM_SHARED_CTRL, &tmp);
		if (ret < 0)
			goto out;

		/* ready */
		if ((tmp & 1) == 0)
			break;
	}

	if (i == DM_TIMEOUT) {
		netdev_err(dev->net, "%s read timed out!\n", phy ? "phy" : "eeprom");
		ret = -EIO;
		goto out;
	}

	dm_write_reg(dev, DM_SHARED_CTRL, 0x0);
	ret = dm_read(dev, DM_SHARED_DATA, 2, value);

	netdev_dbg(dev->net, "read shared %d 0x%02x returned 0x%04x, %d\n",
		   phy, reg, *value, ret);

 out:
	mutex_unlock(&dev->phy_mutex);
	return ret;
}

static int dm_write_shared_word(struct usbnet *dev, int phy, u8 reg, __le16 value)
{
	int ret, i;

	mutex_lock(&dev->phy_mutex);

	ret = dm_write(dev, DM_SHARED_DATA, 2, &value);
	if (ret < 0)
		goto out;

	dm_write_reg(dev, DM_SHARED_ADDR, phy ? (reg | 0x40) : reg);
	dm_write_reg(dev, DM_SHARED_CTRL, phy ? 0x1c : 0x14);

	for (i = 0; i < DM_TIMEOUT; i++) {
		u8 tmp;

		udelay(1);
		ret = dm_read_reg(dev, DM_SHARED_CTRL, &tmp);
		if (ret < 0)
			goto out;

		/* ready */
		if ((tmp & 1) == 0)
			break;
	}

	if (i == DM_TIMEOUT) {
		netdev_err(dev->net, "%s write timed out!\n", phy ? "phy" : "eeprom");
		ret = -EIO;
		goto out;
	}

	dm_write_reg(dev, DM_SHARED_CTRL, 0x0);

out:
	mutex_unlock(&dev->phy_mutex);
	return ret;
}

static int dm_read_eeprom_word(struct usbnet *dev, u8 offset, void *value)
{
	return dm_read_shared_word(dev, 0, offset, value);
}


static int dm9601_get_eeprom_len(struct net_device *dev)
{
	return DM_EEPROM_LEN;
}

static int dm9601_get_eeprom(struct net_device *net,
			     struct ethtool_eeprom *eeprom, u8 * data)
{
	struct usbnet *dev = netdev_priv(net);
	__le16 *ebuf = (__le16 *) data;
	int i;

	/* access is 16bit */
	if ((eeprom->offset % 2) || (eeprom->len % 2))
		return -EINVAL;

	for (i = 0; i < eeprom->len / 2; i++) {
		if (dm_read_eeprom_word(dev, eeprom->offset / 2 + i,
					&ebuf[i]) < 0)
			return -EINVAL;
	}
	return 0;
}

static int dm9601_mdio_read(struct net_device *netdev, int phy_id, int loc)
{
	struct usbnet *dev = netdev_priv(netdev);

	__le16 res;

	if (phy_id) {
		netdev_dbg(dev->net, "Only internal phy supported\n");
		return 0;
	}

	dm_read_shared_word(dev, 1, loc, &res);

	netdev_dbg(dev->net,
		   "dm9601_mdio_read() phy_id=0x%02x, loc=0x%02x, returns=0x%04x\n",
		   phy_id, loc, le16_to_cpu(res));

	return le16_to_cpu(res);
}

static void dm9601_mdio_write(struct net_device *netdev, int phy_id, int loc,
			      int val)
{
	struct usbnet *dev = netdev_priv(netdev);
	__le16 res = cpu_to_le16(val);

	if (phy_id) {
		netdev_dbg(dev->net, "Only internal phy supported\n");
		return;
	}

	netdev_dbg(dev->net, "dm9601_mdio_write() phy_id=0x%02x, loc=0x%02x, val=0x%04x\n",
		   phy_id, loc, val);

	dm_write_shared_word(dev, 1, loc, res);
}

static void dm9601_get_drvinfo(struct net_device *net,
			       struct ethtool_drvinfo *info)
{
	/* Inherit standard device info */
	usbnet_get_drvinfo(net, info);
	info->eedump_len = DM_EEPROM_LEN;
}

static u32 dm9601_get_link(struct net_device *net)
{
	struct usbnet *dev = netdev_priv(net);

	return mii_link_ok(&dev->mii);
}

static int dm9601_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);
}

static const struct ethtool_ops dm9601_ethtool_ops = {
	.get_drvinfo	= dm9601_get_drvinfo,
	.get_link	= dm9601_get_link,
	.get_msglevel	= usbnet_get_msglevel,
	.set_msglevel	= usbnet_set_msglevel,
	.get_eeprom_len	= dm9601_get_eeprom_len,
	.get_eeprom	= dm9601_get_eeprom,
	.get_settings	= usbnet_get_settings,
	.set_settings	= usbnet_set_settings,
	.nway_reset	= usbnet_nway_reset,
};

static void dm9601_set_multicast(struct net_device *net)
{
	struct usbnet *dev = netdev_priv(net);
	/* We use the 20 byte dev->data for our 8 byte filter buffer
	 * to avoid allocating memory that is tricky to free later */
	u8 *hashes = (u8 *) & dev->data;
	u8 rx_ctl = 0x31;

	memset(hashes, 0x00, DM_MCAST_SIZE);
	hashes[DM_MCAST_SIZE - 1] |= 0x80;	/* broadcast address */

	if (net->flags & IFF_PROMISC) {
		rx_ctl |= 0x02;
	} else if (net->flags & IFF_ALLMULTI ||
		   netdev_mc_count(net) > DM_MAX_MCAST) {
		rx_ctl |= 0x04;
	} else if (!netdev_mc_empty(net)) {
		struct dev_mc_list *mc_list;

		netdev_for_each_mc_addr(mc_list, net) {
			u32 crc = ether_crc(ETH_ALEN, mc_list->dmi_addr) >> 26;
			hashes[crc >> 3] |= 1 << (crc & 0x7);
		}
	}

	dm_write_async(dev, DM_MCAST_ADDR, DM_MCAST_SIZE, hashes);
	dm_write_reg_async(dev, DM_RX_CTRL, rx_ctl);
}

static void __dm9601_set_mac_address(struct usbnet *dev)
{
	dm_write_async(dev, DM_PHY_ADDR, ETH_ALEN, dev->net->dev_addr);
}

static int dm9601_set_mac_address(struct net_device *net, void *p)
{
	struct sockaddr *addr = p;
	struct usbnet *dev = netdev_priv(net);

	if (!is_valid_ether_addr(addr->sa_data)) {
		dev_err(&net->dev, "not setting invalid mac address %pM\n",
								addr->sa_data);
		return -EINVAL;
	}

	memcpy(net->dev_addr, addr->sa_data, net->addr_len);
	__dm9601_set_mac_address(dev);

	return 0;
}

static const struct net_device_ops dm9601_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_validate_addr	= eth_validate_addr,
	.ndo_do_ioctl 		= dm9601_ioctl,
	.ndo_set_multicast_list = dm9601_set_multicast,
	.ndo_set_mac_address	= dm9601_set_mac_address,
};

static int dm9601_bind(struct usbnet *dev, struct usb_interface *intf)
{
	int ret;
	u8 mac[ETH_ALEN];

	ret = usbnet_get_endpoints(dev, intf);
	if (ret)
		goto out;

	dev->net->netdev_ops = &dm9601_netdev_ops;
	dev->net->ethtool_ops = &dm9601_ethtool_ops;
	dev->net->hard_header_len += DM_TX_OVERHEAD;
	dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len;
	dev->rx_urb_size = dev->net->mtu + ETH_HLEN + DM_RX_OVERHEAD;

	dev->mii.dev = dev->net;
	dev->mii.mdio_read = dm9601_mdio_read;
	dev->mii.mdio_write = dm9601_mdio_write;
	dev->mii.phy_id_mask = 0x1f;
	dev->mii.reg_num_mask = 0x1f;

	/* reset */
	dm_write_reg(dev, DM_NET_CTRL, 1);
	udelay(20);

	/* read MAC */
	if (dm_read(dev, DM_PHY_ADDR, ETH_ALEN, mac) < 0) {
		printk(KERN_ERR "Error reading MAC address\n");
		ret = -ENODEV;
		goto out;
	}

	/*
	 * Overwrite the auto-generated address only with good ones.
	 */
	if (is_valid_ether_addr(mac))
		memcpy(dev->net->dev_addr, mac, ETH_ALEN);
	else {
		printk(KERN_WARNING
			"dm9601: No valid MAC address in EEPROM, using %pM\n",
			dev->net->dev_addr);
		__dm9601_set_mac_address(dev);
	}

	/* power up phy */
	dm_write_reg(dev, DM_GPR_CTRL, 1);
	dm_write_reg(dev, DM_GPR_DATA, 0);

	/* receive broadcast packets */
	dm9601_set_multicast(dev->net);

	dm9601_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET);
	dm9601_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
			  ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
	mii_nway_restart(&dev->mii);

out:
	return ret;
}

static int dm9601_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
{
	u8 status;
	int len;

	/* format:
	   b1: rx status
	   b2: packet length (incl crc) low
	   b3: packet length (incl crc) high
	   b4..n-4: packet data
	   bn-3..bn: ethernet crc
	 */

	if (unlikely(skb->len < DM_RX_OVERHEAD)) {
		dev_err(&dev->udev->dev, "unexpected tiny rx frame\n");
		return 0;
	}

	status = skb->data[0];
	len = (skb->data[1] | (skb->data[2] << 8)) - 4;

	if (unlikely(status & 0xbf)) {
		if (status & 0x01) dev->net->stats.rx_fifo_errors++;
		if (status & 0x02) dev->net->stats.rx_crc_errors++;
		if (status & 0x04) dev->net->stats.rx_frame_errors++;
		if (status & 0x20) dev->net->stats.rx_missed_errors++;
		if (status & 0x90) dev->net->stats.rx_length_errors++;
		return 0;
	}

	skb_pull(skb, 3);
	skb_trim(skb, len);

	return 1;
}

static struct sk_buff *dm9601_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
				       gfp_t flags)
{
	int len;

	/* format:
	   b1: packet length low
	   b2: packet length high
	   b3..n: packet data
	*/

	len = skb->len;

	if (skb_headroom(skb) < DM_TX_OVERHEAD) {
		struct sk_buff *skb2;

		skb2 = skb_copy_expand(skb, DM_TX_OVERHEAD, 0, flags);
		dev_kfree_skb_any(skb);
		skb = skb2;
		if (!skb)
			return NULL;
	}

	__skb_push(skb, DM_TX_OVERHEAD);

	/* usbnet adds padding if length is a multiple of packet size
	   if so, adjust length value in header */
	if ((skb->len % dev->maxpacket) == 0)
		len++;

	skb->data[0] = len;
	skb->data[1] = len >> 8;

	return skb;
}

static void dm9601_status(struct usbnet *dev, struct urb *urb)
{
	int link;
	u8 *buf;

	/* format:
	   b0: net status
	   b1: tx status 1
	   b2: tx status 2
	   b3: rx status
	   b4: rx overflow
	   b5: rx count
	   b6: tx count
	   b7: gpr
	*/

	if (urb->actual_length < 8)
		return;

	buf = urb->transfer_buffer;

	link = !!(buf[0] & 0x40);
	if (netif_carrier_ok(dev->net) != link) {
		if (link) {
			netif_carrier_on(dev->net);
			usbnet_defer_kevent (dev, EVENT_LINK_RESET);
		}
		else
			netif_carrier_off(dev->net);
		netdev_dbg(dev->net, "Link Status is: %d\n", link);
	}
}

static int dm9601_link_reset(struct usbnet *dev)
{
	struct ethtool_cmd ecmd;

	mii_check_media(&dev->mii, 1, 1);
	mii_ethtool_gset(&dev->mii, &ecmd);

	netdev_dbg(dev->net, "link_reset() speed: %d duplex: %d\n",
		   ecmd.speed, ecmd.duplex);

	return 0;
}

static const struct driver_info dm9601_info = {
	.description	= "Davicom DM9601 USB Ethernet",
	.flags		= FLAG_ETHER | FLAG_LINK_INTR,
	.bind		= dm9601_bind,
	.rx_fixup	= dm9601_rx_fixup,
	.tx_fixup	= dm9601_tx_fixup,
	.status		= dm9601_status,
	.link_reset	= dm9601_link_reset,
	.reset		= dm9601_link_reset,
};

static const struct usb_device_id products[] = {
	{
	 USB_DEVICE(0x07aa, 0x9601),	/* Corega FEther USB-TXC */
	 .driver_info = (unsigned long)&dm9601_info,
	 },
	{
	 USB_DEVICE(0x0a46, 0x9601),	/* Davicom USB-100 */
	 .driver_info = (unsigned long)&dm9601_info,
	 },
	{
	 USB_DEVICE(0x0a46, 0x6688),	/* ZT6688 USB NIC */
	 .driver_info = (unsigned long)&dm9601_info,
	 },
	{
	 USB_DEVICE(0x0a46, 0x0268),	/* ShanTou ST268 USB NIC */
	 .driver_info = (unsigned long)&dm9601_info,
	 },
	{
	 USB_DEVICE(0x0a46, 0x8515),	/* ADMtek ADM8515 USB NIC */
	 .driver_info = (unsigned long)&dm9601_info,
	 },
	{
	USB_DEVICE(0x0a47, 0x9601),	/* Hirose USB-100 */
	.driver_info = (unsigned long)&dm9601_info,
	 },
	{
	USB_DEVICE(0x0fe6, 0x8101),	/* DM9601 USB to Fast Ethernet Adapter */
	.driver_info = (unsigned long)&dm9601_info,
	 },
	{
	 USB_DEVICE(0x0a46, 0x9000),	/* DM9000E */
	 .driver_info = (unsigned long)&dm9601_info,
	 },
	{},			// END
};

MODULE_DEVICE_TABLE(usb, products);

static struct usb_driver dm9601_driver = {
	.name = "dm9601",
	.id_table = products,
	.probe = usbnet_probe,
	.disconnect = usbnet_disconnect,
	.suspend = usbnet_suspend,
	.resume = usbnet_resume,
};

static int __init dm9601_init(void)
{
	return usb_register(&dm9601_driver);
}

static void __exit dm9601_exit(void)
{
	usb_deregister(&dm9601_driver);
}

module_init(dm9601_init);
module_exit(dm9601_exit);

MODULE_AUTHOR("Peter Korsgaard <jacmet@sunsite.dk>");
MODULE_DESCRIPTION("Davicom DM9601 USB 1.1 ethernet devices");
MODULE_LICENSE("GPL");
Commit	Line	Data
d0374f4f PK	1	/*
	2	* Davicom DM9601 USB 1.1 10/100Mbps ethernet devices
	3	*
	4	* Peter Korsgaard <jacmet@sunsite.dk>
	5	*
	6	* This file is licensed under the terms of the GNU General Public License
	7	* version 2. This program is licensed "as is" without any warranty of any
	8	* kind, whether express or implied.
	9	*/
	10
	11	//#define DEBUG
	12
	13	#include <linux/module.h>
	14	#include <linux/sched.h>
686149f4	15	#include <linux/stddef.h>
d0374f4f PK	16	#include <linux/init.h>
	17	#include <linux/netdevice.h>
	18	#include <linux/etherdevice.h>
	19	#include <linux/ethtool.h>
	20	#include <linux/mii.h>
	21	#include <linux/usb.h>
	22	#include <linux/crc32.h>
3692e94f	23	#include <linux/usb/usbnet.h>
5a0e3ad6	24	#include <linux/slab.h>
d0374f4f PK	25
d0374f4f PK	26	/* datasheet:
98658bc9	27	http://ptm2.cc.utu.fi/ftp/network/cards/DM9601/From_NET/DM9601-DS-P01-930914.pdf
d0374f4f PK	28	*/
	29
	30	/* control requests */
	31	#define DM_READ_REGS 0x00
	32	#define DM_WRITE_REGS 0x01
	33	#define DM_READ_MEMS 0x02
	34	#define DM_WRITE_REG 0x03
	35	#define DM_WRITE_MEMS 0x05
	36	#define DM_WRITE_MEM 0x07
	37
	38	/* registers */
	39	#define DM_NET_CTRL 0x00
	40	#define DM_RX_CTRL 0x05
	41	#define DM_SHARED_CTRL 0x0b
	42	#define DM_SHARED_ADDR 0x0c
	43	#define DM_SHARED_DATA 0x0d /* low + high */
	44	#define DM_PHY_ADDR 0x10 /* 6 bytes */
	45	#define DM_MCAST_ADDR 0x16 /* 8 bytes */
	46	#define DM_GPR_CTRL 0x1e
	47	#define DM_GPR_DATA 0x1f
	48
	49	#define DM_MAX_MCAST 64
	50	#define DM_MCAST_SIZE 8
	51	#define DM_EEPROM_LEN 256
	52	#define DM_TX_OVERHEAD 2 /* 2 byte header */
	53	#define DM_RX_OVERHEAD 7 /* 3 byte header + 4 byte crc tail */
	54	#define DM_TIMEOUT 1000
	55
	56
	57	static int dm_read(struct usbnet dev, u8 reg, u16 length, void data)
	58	{
16d78bc2 PK	59	void *buf;
	60	int err = -ENOMEM;
	61
60b86755	62	netdev_dbg(dev->net, "dm_read() reg=0x%02x length=%d\n", reg, length);
16d78bc2 PK	63
	64	buf = kmalloc(length, GFP_KERNEL);
	65	if (!buf)
	66	goto out;
	67
	68	err = usb_control_msg(dev->udev,
	69	usb_rcvctrlpipe(dev->udev, 0),
	70	DM_READ_REGS,
	71	USB_DIR_IN \| USB_TYPE_VENDOR \| USB_RECIP_DEVICE,
	72	0, reg, buf, length, USB_CTRL_SET_TIMEOUT);
	73	if (err == length)
	74	memcpy(data, buf, length);
	75	else if (err >= 0)
	76	err = -EINVAL;
	77	kfree(buf);
	78
	79	out:
	80	return err;
d0374f4f PK	81	}
	82
	83	static int dm_read_reg(struct usbnet dev, u8 reg, u8 value)
	84	{
	85	return dm_read(dev, reg, 1, value);
	86	}
	87
	88	static int dm_write(struct usbnet dev, u8 reg, u16 length, void data)
	89	{
16d78bc2 PK	90	void *buf = NULL;
	91	int err = -ENOMEM;
	92
60b86755	93	netdev_dbg(dev->net, "dm_write() reg=0x%02x, length=%d\n", reg, length);
16d78bc2 PK	94
	95	if (data) {
	96	buf = kmalloc(length, GFP_KERNEL);
	97	if (!buf)
	98	goto out;
	99	memcpy(buf, data, length);
	100	}
	101
	102	err = usb_control_msg(dev->udev,
	103	usb_sndctrlpipe(dev->udev, 0),
	104	DM_WRITE_REGS,
	105	USB_DIR_OUT \| USB_TYPE_VENDOR \|USB_RECIP_DEVICE,
	106	0, reg, buf, length, USB_CTRL_SET_TIMEOUT);
	107	kfree(buf);
	108	if (err >= 0 && err < length)
	109	err = -EINVAL;
	110	out:
	111	return err;
d0374f4f PK	112	}
	113
	114	static int dm_write_reg(struct usbnet *dev, u8 reg, u8 value)
	115	{
60b86755 JP	116	netdev_dbg(dev->net, "dm_write_reg() reg=0x%02x, value=0x%02x\n",
60b86755 JP	117	reg, value);
d0374f4f PK	118	return usb_control_msg(dev->udev,
	119	usb_sndctrlpipe(dev->udev, 0),
	120	DM_WRITE_REG,
	121	USB_DIR_OUT \| USB_TYPE_VENDOR \|USB_RECIP_DEVICE,
686149f4	122	value, reg, NULL, 0, USB_CTRL_SET_TIMEOUT);
d0374f4f PK	123	}
	124
	125	static void dm_write_async_callback(struct urb *urb)
	126	{
	127	struct usb_ctrlrequest req = (struct usb_ctrlrequest )urb->context;
c94cb314	128	int status = urb->status;
d0374f4f	129
c94cb314	130	if (status < 0)
77b69015	131	printk(KERN_DEBUG "dm_write_async_callback() failed with %d\n",
c94cb314	132	status);
d0374f4f PK	133
	134	kfree(req);
	135	usb_free_urb(urb);
	136	}
	137
ba734f34 PK	138	static void dm_write_async_helper(struct usbnet *dev, u8 reg, u8 value,
ba734f34 PK	139	u16 length, void *data)
d0374f4f PK	140	{
	141	struct usb_ctrlrequest *req;
	142	struct urb *urb;
	143	int status;
	144
d0374f4f PK	145	urb = usb_alloc_urb(0, GFP_ATOMIC);
d0374f4f PK	146	if (!urb) {
60b86755	147	netdev_err(dev->net, "Error allocating URB in dm_write_async_helper!\n");
d0374f4f PK	148	return;
	149	}
	150
	151	req = kmalloc(sizeof(struct usb_ctrlrequest), GFP_ATOMIC);
	152	if (!req) {
60b86755	153	netdev_err(dev->net, "Failed to allocate memory for control request\n");
d0374f4f PK	154	usb_free_urb(urb);
	155	return;
	156	}
	157
	158	req->bRequestType = USB_DIR_OUT \| USB_TYPE_VENDOR \| USB_RECIP_DEVICE;
ba734f34 PK	159	req->bRequest = length ? DM_WRITE_REGS : DM_WRITE_REG;
ba734f34 PK	160	req->wValue = cpu_to_le16(value);
d0374f4f PK	161	req->wIndex = cpu_to_le16(reg);
	162	req->wLength = cpu_to_le16(length);
	163
	164	usb_fill_control_urb(urb, dev->udev,
	165	usb_sndctrlpipe(dev->udev, 0),
	166	(void *)req, data, length,
	167	dm_write_async_callback, req);
	168
	169	status = usb_submit_urb(urb, GFP_ATOMIC);
	170	if (status < 0) {
60b86755 JP	171	netdev_err(dev->net, "Error submitting the control message: status=%d\n",
60b86755 JP	172	status);
d0374f4f PK	173	kfree(req);
	174	usb_free_urb(urb);
	175	}
	176	}
	177
ba734f34	178	static void dm_write_async(struct usbnet dev, u8 reg, u16 length, void data)
d0374f4f	179	{
60b86755	180	netdev_dbg(dev->net, "dm_write_async() reg=0x%02x length=%d\n", reg, length);
d0374f4f	181
ba734f34 PK	182	dm_write_async_helper(dev, reg, 0, length, data);
	183	}
	184
	185	static void dm_write_reg_async(struct usbnet *dev, u8 reg, u8 value)
	186	{
60b86755 JP	187	netdev_dbg(dev->net, "dm_write_reg_async() reg=0x%02x value=0x%02x\n",
60b86755 JP	188	reg, value);
d0374f4f	189
ba734f34	190	dm_write_async_helper(dev, reg, value, 0, NULL);
d0374f4f PK	191	}
d0374f4f PK	192
eca1ad82	193	static int dm_read_shared_word(struct usbnet dev, int phy, u8 reg, __le16 value)
d0374f4f PK	194	{
	195	int ret, i;
	196
	197	mutex_lock(&dev->phy_mutex);
	198
	199	dm_write_reg(dev, DM_SHARED_ADDR, phy ? (reg \| 0x40) : reg);
	200	dm_write_reg(dev, DM_SHARED_CTRL, phy ? 0xc : 0x4);
	201
	202	for (i = 0; i < DM_TIMEOUT; i++) {
	203	u8 tmp;
	204
	205	udelay(1);
	206	ret = dm_read_reg(dev, DM_SHARED_CTRL, &tmp);
	207	if (ret < 0)
	208	goto out;
	209
	210	/* ready */
	211	if ((tmp & 1) == 0)
	212	break;
	213	}
	214
	215	if (i == DM_TIMEOUT) {
60b86755	216	netdev_err(dev->net, "%s read timed out!\n", phy ? "phy" : "eeprom");
d0374f4f PK	217	ret = -EIO;
	218	goto out;
	219	}
	220
	221	dm_write_reg(dev, DM_SHARED_CTRL, 0x0);
	222	ret = dm_read(dev, DM_SHARED_DATA, 2, value);
	223
60b86755 JP	224	netdev_dbg(dev->net, "read shared %d 0x%02x returned 0x%04x, %d\n",
60b86755 JP	225	phy, reg, *value, ret);
d0374f4f PK	226
	227	out:
	228	mutex_unlock(&dev->phy_mutex);
	229	return ret;
	230	}
	231
eca1ad82	232	static int dm_write_shared_word(struct usbnet *dev, int phy, u8 reg, __le16 value)
d0374f4f PK	233	{
	234	int ret, i;
	235
	236	mutex_lock(&dev->phy_mutex);
	237
	238	ret = dm_write(dev, DM_SHARED_DATA, 2, &value);
	239	if (ret < 0)
	240	goto out;
	241
	242	dm_write_reg(dev, DM_SHARED_ADDR, phy ? (reg \| 0x40) : reg);
	243	dm_write_reg(dev, DM_SHARED_CTRL, phy ? 0x1c : 0x14);
	244
	245	for (i = 0; i < DM_TIMEOUT; i++) {
	246	u8 tmp;
	247
	248	udelay(1);
	249	ret = dm_read_reg(dev, DM_SHARED_CTRL, &tmp);
	250	if (ret < 0)
	251	goto out;
	252
	253	/* ready */
	254	if ((tmp & 1) == 0)
	255	break;
	256	}
	257
	258	if (i == DM_TIMEOUT) {
60b86755	259	netdev_err(dev->net, "%s write timed out!\n", phy ? "phy" : "eeprom");
d0374f4f PK	260	ret = -EIO;
	261	goto out;
	262	}
	263
	264	dm_write_reg(dev, DM_SHARED_CTRL, 0x0);
	265
	266	out:
	267	mutex_unlock(&dev->phy_mutex);
	268	return ret;
	269	}
	270
	271	static int dm_read_eeprom_word(struct usbnet dev, u8 offset, void value)
	272	{
	273	return dm_read_shared_word(dev, 0, offset, value);
	274	}
	275
	276
	277
	278	static int dm9601_get_eeprom_len(struct net_device *dev)
	279	{
	280	return DM_EEPROM_LEN;
	281	}
	282
	283	static int dm9601_get_eeprom(struct net_device *net,
	284	struct ethtool_eeprom eeprom, u8 data)
	285	{
	286	struct usbnet *dev = netdev_priv(net);
eca1ad82	287	__le16 ebuf = (__le16 ) data;
d0374f4f PK	288	int i;
	289
	290	/* access is 16bit */
	291	if ((eeprom->offset % 2) \|\| (eeprom->len % 2))
	292	return -EINVAL;
	293
	294	for (i = 0; i < eeprom->len / 2; i++) {
	295	if (dm_read_eeprom_word(dev, eeprom->offset / 2 + i,
	296	&ebuf[i]) < 0)
	297	return -EINVAL;
	298	}
	299	return 0;
	300	}
	301
	302	static int dm9601_mdio_read(struct net_device *netdev, int phy_id, int loc)
	303	{
	304	struct usbnet *dev = netdev_priv(netdev);
	305
eca1ad82	306	__le16 res;
d0374f4f PK	307
d0374f4f PK	308	if (phy_id) {
60b86755	309	netdev_dbg(dev->net, "Only internal phy supported\n");
d0374f4f PK	310	return 0;
	311	}
	312
	313	dm_read_shared_word(dev, 1, loc, &res);
	314
60b86755 JP	315	netdev_dbg(dev->net,
	316	"dm9601_mdio_read() phy_id=0x%02x, loc=0x%02x, returns=0x%04x\n",
	317	phy_id, loc, le16_to_cpu(res));
d0374f4f PK	318
	319	return le16_to_cpu(res);
	320	}
	321
	322	static void dm9601_mdio_write(struct net_device *netdev, int phy_id, int loc,
	323	int val)
	324	{
	325	struct usbnet *dev = netdev_priv(netdev);
eca1ad82	326	__le16 res = cpu_to_le16(val);
d0374f4f PK	327
d0374f4f PK	328	if (phy_id) {
60b86755	329	netdev_dbg(dev->net, "Only internal phy supported\n");
d0374f4f PK	330	return;
	331	}
	332
60b86755 JP	333	netdev_dbg(dev->net, "dm9601_mdio_write() phy_id=0x%02x, loc=0x%02x, val=0x%04x\n",
60b86755 JP	334	phy_id, loc, val);
d0374f4f PK	335
	336	dm_write_shared_word(dev, 1, loc, res);
	337	}
	338
	339	static void dm9601_get_drvinfo(struct net_device *net,
	340	struct ethtool_drvinfo *info)
	341	{
	342	/* Inherit standard device info */
	343	usbnet_get_drvinfo(net, info);
	344	info->eedump_len = DM_EEPROM_LEN;
	345	}
	346
	347	static u32 dm9601_get_link(struct net_device *net)
	348	{
	349	struct usbnet *dev = netdev_priv(net);
	350
	351	return mii_link_ok(&dev->mii);
	352	}
	353
	354	static int dm9601_ioctl(struct net_device net, struct ifreq rq, int cmd)
	355	{
	356	struct usbnet *dev = netdev_priv(net);
	357
	358	return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
	359	}
	360
0fc0b732	361	static const struct ethtool_ops dm9601_ethtool_ops = {
d0374f4f PK	362	.get_drvinfo = dm9601_get_drvinfo,
	363	.get_link = dm9601_get_link,
	364	.get_msglevel = usbnet_get_msglevel,
	365	.set_msglevel = usbnet_set_msglevel,
	366	.get_eeprom_len = dm9601_get_eeprom_len,
	367	.get_eeprom = dm9601_get_eeprom,
	368	.get_settings = usbnet_get_settings,
	369	.set_settings = usbnet_set_settings,
	370	.nway_reset = usbnet_nway_reset,
	371	};
	372
	373	static void dm9601_set_multicast(struct net_device *net)
	374	{
	375	struct usbnet *dev = netdev_priv(net);
	376	/* We use the 20 byte dev->data for our 8 byte filter buffer
	377	* to avoid allocating memory that is tricky to free later */
	378	u8 hashes = (u8 ) & dev->data;
33eddedb	379	u8 rx_ctl = 0x31;
d0374f4f PK	380
	381	memset(hashes, 0x00, DM_MCAST_SIZE);
	382	hashes[DM_MCAST_SIZE - 1] \|= 0x80; /* broadcast address */
	383
	384	if (net->flags & IFF_PROMISC) {
	385	rx_ctl \|= 0x02;
2cc04d27 JP	386	} else if (net->flags & IFF_ALLMULTI \|\|
2cc04d27 JP	387	netdev_mc_count(net) > DM_MAX_MCAST) {
d0374f4f	388	rx_ctl \|= 0x04;
2cc04d27 JP	389	} else if (!netdev_mc_empty(net)) {
2cc04d27 JP	390	struct dev_mc_list *mc_list;
d0374f4f	391
2cc04d27	392	netdev_for_each_mc_addr(mc_list, net) {
d0374f4f PK	393	u32 crc = ether_crc(ETH_ALEN, mc_list->dmi_addr) >> 26;
	394	hashes[crc >> 3] \|= 1 << (crc & 0x7);
	395	}
	396	}
	397
	398	dm_write_async(dev, DM_MCAST_ADDR, DM_MCAST_SIZE, hashes);
	399	dm_write_reg_async(dev, DM_RX_CTRL, rx_ctl);
	400	}
	401
4b9f8ec6 WF	402	static void __dm9601_set_mac_address(struct usbnet *dev)
	403	{
	404	dm_write_async(dev, DM_PHY_ADDR, ETH_ALEN, dev->net->dev_addr);
	405	}
	406
753dcfee PK	407	static int dm9601_set_mac_address(struct net_device net, void p)
	408	{
	409	struct sockaddr *addr = p;
	410	struct usbnet *dev = netdev_priv(net);
	411
f52deb0e WF	412	if (!is_valid_ether_addr(addr->sa_data)) {
	413	dev_err(&net->dev, "not setting invalid mac address %pM\n",
	414	addr->sa_data);
753dcfee	415	return -EINVAL;
f52deb0e	416	}
753dcfee PK	417
753dcfee PK	418	memcpy(net->dev_addr, addr->sa_data, net->addr_len);
4b9f8ec6	419	__dm9601_set_mac_address(dev);
753dcfee PK	420
	421	return 0;
	422	}
	423
fe85ff82 SH	424	static const struct net_device_ops dm9601_netdev_ops = {
	425	.ndo_open = usbnet_open,
	426	.ndo_stop = usbnet_stop,
	427	.ndo_start_xmit = usbnet_start_xmit,
	428	.ndo_tx_timeout = usbnet_tx_timeout,
	429	.ndo_change_mtu = usbnet_change_mtu,
	430	.ndo_validate_addr = eth_validate_addr,
	431	.ndo_do_ioctl = dm9601_ioctl,
	432	.ndo_set_multicast_list = dm9601_set_multicast,
	433	.ndo_set_mac_address = dm9601_set_mac_address,
	434	};
	435
d0374f4f PK	436	static int dm9601_bind(struct usbnet dev, struct usb_interface intf)
	437	{
	438	int ret;
20f10aa0	439	u8 mac[ETH_ALEN];
d0374f4f PK	440
	441	ret = usbnet_get_endpoints(dev, intf);
	442	if (ret)
	443	goto out;
	444
fe85ff82	445	dev->net->netdev_ops = &dm9601_netdev_ops;
d0374f4f PK	446	dev->net->ethtool_ops = &dm9601_ethtool_ops;
	447	dev->net->hard_header_len += DM_TX_OVERHEAD;
	448	dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len;
f662fe5a	449	dev->rx_urb_size = dev->net->mtu + ETH_HLEN + DM_RX_OVERHEAD;
d0374f4f PK	450
	451	dev->mii.dev = dev->net;
	452	dev->mii.mdio_read = dm9601_mdio_read;
	453	dev->mii.mdio_write = dm9601_mdio_write;
	454	dev->mii.phy_id_mask = 0x1f;
	455	dev->mii.reg_num_mask = 0x1f;
	456
	457	/* reset */
b8f59586	458	dm_write_reg(dev, DM_NET_CTRL, 1);
d0374f4f PK	459	udelay(20);
	460
	461	/* read MAC */
20f10aa0	462	if (dm_read(dev, DM_PHY_ADDR, ETH_ALEN, mac) < 0) {
d0374f4f PK	463	printk(KERN_ERR "Error reading MAC address\n");
	464	ret = -ENODEV;
	465	goto out;
	466	}
	467
20f10aa0 WF	468	/*
	469	* Overwrite the auto-generated address only with good ones.
	470	*/
	471	if (is_valid_ether_addr(mac))
	472	memcpy(dev->net->dev_addr, mac, ETH_ALEN);
f52deb0e WF	473	else {
	474	printk(KERN_WARNING
	475	"dm9601: No valid MAC address in EEPROM, using %pM\n",
	476	dev->net->dev_addr);
4b9f8ec6	477	__dm9601_set_mac_address(dev);
f52deb0e	478	}
20f10aa0	479
d0374f4f PK	480	/* power up phy */
	481	dm_write_reg(dev, DM_GPR_CTRL, 1);
	482	dm_write_reg(dev, DM_GPR_DATA, 0);
	483
	484	/* receive broadcast packets */
	485	dm9601_set_multicast(dev->net);
	486
	487	dm9601_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET);
	488	dm9601_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
	489	ADVERTISE_ALL \| ADVERTISE_CSMA \| ADVERTISE_PAUSE_CAP);
	490	mii_nway_restart(&dev->mii);
	491
	492	out:
	493	return ret;
	494	}
	495
	496	static int dm9601_rx_fixup(struct usbnet dev, struct sk_buff skb)
	497	{
	498	u8 status;
	499	int len;
	500
	501	/* format:
61189c78 PK	502	b1: rx status
	503	b2: packet length (incl crc) low
	504	b3: packet length (incl crc) high
	505	b4..n-4: packet data
d0374f4f PK	506	bn-3..bn: ethernet crc
	507	*/
	508
	509	if (unlikely(skb->len < DM_RX_OVERHEAD)) {
	510	dev_err(&dev->udev->dev, "unexpected tiny rx frame\n");
	511	return 0;
	512	}
	513
	514	status = skb->data[0];
	515	len = (skb->data[1] \| (skb->data[2] << 8)) - 4;
	516
	517	if (unlikely(status & 0xbf)) {
9612101c HX	518	if (status & 0x01) dev->net->stats.rx_fifo_errors++;
	519	if (status & 0x02) dev->net->stats.rx_crc_errors++;
	520	if (status & 0x04) dev->net->stats.rx_frame_errors++;
	521	if (status & 0x20) dev->net->stats.rx_missed_errors++;
	522	if (status & 0x90) dev->net->stats.rx_length_errors++;
d0374f4f PK	523	return 0;
	524	}
	525
	526	skb_pull(skb, 3);
	527	skb_trim(skb, len);
	528
	529	return 1;
	530	}
	531
	532	static struct sk_buff dm9601_tx_fixup(struct usbnet dev, struct sk_buff *skb,
	533	gfp_t flags)
	534	{
	535	int len;
	536
	537	/* format:
61189c78 PK	538	b1: packet length low
61189c78 PK	539	b2: packet length high
d0374f4f PK	540	b3..n: packet data
	541	*/
	542
23de559b PK	543	len = skb->len;
23de559b PK	544
d0374f4f PK	545	if (skb_headroom(skb) < DM_TX_OVERHEAD) {
	546	struct sk_buff *skb2;
	547
	548	skb2 = skb_copy_expand(skb, DM_TX_OVERHEAD, 0, flags);
	549	dev_kfree_skb_any(skb);
	550	skb = skb2;
	551	if (!skb)
	552	return NULL;
	553	}
	554
	555	__skb_push(skb, DM_TX_OVERHEAD);
	556
d0374f4f PK	557	/* usbnet adds padding if length is a multiple of packet size
d0374f4f PK	558	if so, adjust length value in header */
23de559b	559	if ((skb->len % dev->maxpacket) == 0)
d0374f4f PK	560	len++;
	561
	562	skb->data[0] = len;
	563	skb->data[1] = len >> 8;
	564
	565	return skb;
	566	}
	567
	568	static void dm9601_status(struct usbnet dev, struct urb urb)
	569	{
	570	int link;
	571	u8 *buf;
	572
	573	/* format:
	574	b0: net status
	575	b1: tx status 1
	576	b2: tx status 2
	577	b3: rx status
	578	b4: rx overflow
	579	b5: rx count
	580	b6: tx count
	581	b7: gpr
	582	*/
	583
	584	if (urb->actual_length < 8)
	585	return;
	586
	587	buf = urb->transfer_buffer;
	588
	589	link = !!(buf[0] & 0x40);
	590	if (netif_carrier_ok(dev->net) != link) {
	591	if (link) {
	592	netif_carrier_on(dev->net);
	593	usbnet_defer_kevent (dev, EVENT_LINK_RESET);
	594	}
	595	else
	596	netif_carrier_off(dev->net);
60b86755	597	netdev_dbg(dev->net, "Link Status is: %d\n", link);
d0374f4f PK	598	}
	599	}
	600
	601	static int dm9601_link_reset(struct usbnet *dev)
	602	{
	603	struct ethtool_cmd ecmd;
	604
	605	mii_check_media(&dev->mii, 1, 1);
	606	mii_ethtool_gset(&dev->mii, &ecmd);
	607
60b86755 JP	608	netdev_dbg(dev->net, "link_reset() speed: %d duplex: %d\n",
60b86755 JP	609	ecmd.speed, ecmd.duplex);
d0374f4f PK	610
	611	return 0;
	612	}
	613
	614	static const struct driver_info dm9601_info = {
	615	.description = "Davicom DM9601 USB Ethernet",
37e8273c	616	.flags = FLAG_ETHER \| FLAG_LINK_INTR,
d0374f4f PK	617	.bind = dm9601_bind,
	618	.rx_fixup = dm9601_rx_fixup,
	619	.tx_fixup = dm9601_tx_fixup,
	620	.status = dm9601_status,
	621	.link_reset = dm9601_link_reset,
	622	.reset = dm9601_link_reset,
	623	};
	624
	625	static const struct usb_device_id products[] = {
6438ac26 YH	626	{
	627	USB_DEVICE(0x07aa, 0x9601), /* Corega FEther USB-TXC */
	628	.driver_info = (unsigned long)&dm9601_info,
	629	},
d0374f4f PK	630	{
	631	USB_DEVICE(0x0a46, 0x9601), /* Davicom USB-100 */
	632	.driver_info = (unsigned long)&dm9601_info,
	633	},
6dc477f3 JD	634	{
	635	USB_DEVICE(0x0a46, 0x6688), /* ZT6688 USB NIC */
	636	.driver_info = (unsigned long)&dm9601_info,
	637	},
	638	{
	639	USB_DEVICE(0x0a46, 0x0268), /* ShanTou ST268 USB NIC */
	640	.driver_info = (unsigned long)&dm9601_info,
	641	},
a06da754 PK	642	{
	643	USB_DEVICE(0x0a46, 0x8515), /* ADMtek ADM8515 USB NIC */
	644	.driver_info = (unsigned long)&dm9601_info,
	645	},
b47b4b22 PK	646	{
b47b4b22 PK	647	USB_DEVICE(0x0a47, 0x9601), /* Hirose USB-100 */
a1a69c8d PK	648	.driver_info = (unsigned long)&dm9601_info,
	649	},
	650	{
	651	USB_DEVICE(0x0fe6, 0x8101), /* DM9601 USB to Fast Ethernet Adapter */
b47b4b22 PK	652	.driver_info = (unsigned long)&dm9601_info,
b47b4b22 PK	653	},
06b71b65 JK	654	{
	655	USB_DEVICE(0x0a46, 0x9000), /* DM9000E */
	656	.driver_info = (unsigned long)&dm9601_info,
	657	},
d0374f4f PK	658	{}, // END
	659	};
	660
	661	MODULE_DEVICE_TABLE(usb, products);
	662
	663	static struct usb_driver dm9601_driver = {
	664	.name = "dm9601",
	665	.id_table = products,
	666	.probe = usbnet_probe,
	667	.disconnect = usbnet_disconnect,
	668	.suspend = usbnet_suspend,
	669	.resume = usbnet_resume,
	670	};
	671
	672	static int __init dm9601_init(void)
	673	{
	674	return usb_register(&dm9601_driver);
	675	}
	676
	677	static void __exit dm9601_exit(void)
	678	{
	679	usb_deregister(&dm9601_driver);
	680	}
	681
	682	module_init(dm9601_init);
	683	module_exit(dm9601_exit);
	684
	685	MODULE_AUTHOR("Peter Korsgaard <jacmet@sunsite.dk>");
	686	MODULE_DESCRIPTION("Davicom DM9601 USB 1.1 ethernet devices");
	687	MODULE_LICENSE("GPL");