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authorYunhong Jiang <yunhong.jiang@intel.com>2015-08-04 12:17:53 -0700
committerYunhong Jiang <yunhong.jiang@intel.com>2015-08-04 15:44:42 -0700
commit9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch)
tree1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/drivers/net/irda/kingsun-sir.c
parent98260f3884f4a202f9ca5eabed40b1354c489b29 (diff)
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base. It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and the base is: commit 0917f823c59692d751951bf5ea699a2d1e2f26a2 Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Date: Sat Jul 25 12:13:34 2015 +0200 Prepare v4.1.3-rt3 Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> We lose all the git history this way and it's not good. We should apply another opnfv project repo in future. Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423 Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/drivers/net/irda/kingsun-sir.c')
-rw-r--r--kernel/drivers/net/irda/kingsun-sir.c634
1 files changed, 634 insertions, 0 deletions
diff --git a/kernel/drivers/net/irda/kingsun-sir.c b/kernel/drivers/net/irda/kingsun-sir.c
new file mode 100644
index 000000000..fb5d162ec
--- /dev/null
+++ b/kernel/drivers/net/irda/kingsun-sir.c
@@ -0,0 +1,634 @@
+/*****************************************************************************
+*
+* Filename: kingsun-sir.c
+* Version: 0.1.1
+* Description: Irda KingSun/DonShine USB Dongle
+* Status: Experimental
+* Author: Alex Villacís Lasso <a_villacis@palosanto.com>
+*
+* Based on stir4200 and mcs7780 drivers, with (strange?) differences
+*
+* 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.
+*
+* 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, write to the Free Software
+* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*
+*****************************************************************************/
+
+/*
+ * This is my current (2007-04-25) understanding of how this dongle is supposed
+ * to work. This is based on reverse-engineering and examination of the packet
+ * data sent and received by the WinXP driver using USBSnoopy. Feel free to
+ * update here as more of this dongle is known:
+ *
+ * General: Unlike the other USB IrDA dongles, this particular dongle exposes,
+ * not two bulk (in and out) endpoints, but two *interrupt* ones. This dongle,
+ * like the bulk based ones (stir4200.c and mcs7780.c), requires polling in
+ * order to receive data.
+ * Transmission: Just like stir4200, this dongle uses a raw stream of data,
+ * which needs to be wrapped and escaped in a similar way as in stir4200.c.
+ * Reception: Poll-based, as in stir4200. Each read returns the contents of a
+ * 8-byte buffer, of which the first byte (LSB) indicates the number of bytes
+ * (1-7) of valid data contained within the remaining 7 bytes. For example, if
+ * the buffer had the following contents:
+ * 06 ff ff ff c0 01 04 aa
+ * This means that (06) there are 6 bytes of valid data. The byte 0xaa at the
+ * end is garbage (left over from a previous reception) and is discarded.
+ * If a read returns an "impossible" value as the length of valid data (such as
+ * 0x36) in the first byte, then the buffer is uninitialized (as is the case of
+ * first plug-in) and its contents should be discarded. There is currently no
+ * evidence that the top 5 bits of the 1st byte of the buffer can have values
+ * other than 0 once reception begins.
+ * Once valid bytes are collected, the assembled stream is a sequence of
+ * wrapped IrDA frames that is unwrapped and unescaped as in stir4200.c.
+ * BIG FAT WARNING: the dongle does *not* reset the RX buffer in any way after
+ * a successful read from the host, which means that in absence of further
+ * reception, repeated reads from the dongle will return the exact same
+ * contents repeatedly. Attempts to be smart and cache a previous read seem
+ * to result in corrupted packets, so this driver depends on the unwrap logic
+ * to sort out any repeated reads.
+ * Speed change: no commands observed so far to change speed, assumed fixed
+ * 9600bps (SIR).
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/slab.h>
+#include <linux/usb.h>
+#include <linux/device.h>
+#include <linux/crc32.h>
+
+#include <asm/unaligned.h>
+#include <asm/byteorder.h>
+#include <asm/uaccess.h>
+
+#include <net/irda/irda.h>
+#include <net/irda/wrapper.h>
+#include <net/irda/crc.h>
+
+/*
+ * According to lsusb, 0x07c0 is assigned to
+ * "Code Mercenaries Hard- und Software GmbH"
+ */
+#define KING_VENDOR_ID 0x07c0
+#define KING_PRODUCT_ID 0x4200
+
+/* These are the currently known USB ids */
+static struct usb_device_id dongles[] = {
+ /* KingSun Co,Ltd IrDA/USB Bridge */
+ { USB_DEVICE(KING_VENDOR_ID, KING_PRODUCT_ID) },
+ { }
+};
+
+MODULE_DEVICE_TABLE(usb, dongles);
+
+#define KINGSUN_MTT 0x07
+
+#define KINGSUN_FIFO_SIZE 4096
+#define KINGSUN_EP_IN 0
+#define KINGSUN_EP_OUT 1
+
+struct kingsun_cb {
+ struct usb_device *usbdev; /* init: probe_irda */
+ struct net_device *netdev; /* network layer */
+ struct irlap_cb *irlap; /* The link layer we are binded to */
+
+ struct qos_info qos;
+
+ __u8 *in_buf; /* receive buffer */
+ __u8 *out_buf; /* transmit buffer */
+ __u8 max_rx; /* max. atomic read from dongle
+ (usually 8), also size of in_buf */
+ __u8 max_tx; /* max. atomic write to dongle
+ (usually 8) */
+
+ iobuff_t rx_buff; /* receive unwrap state machine */
+ spinlock_t lock;
+ int receiving;
+
+ __u8 ep_in;
+ __u8 ep_out;
+
+ struct urb *tx_urb;
+ struct urb *rx_urb;
+};
+
+/* Callback transmission routine */
+static void kingsun_send_irq(struct urb *urb)
+{
+ struct kingsun_cb *kingsun = urb->context;
+ struct net_device *netdev = kingsun->netdev;
+
+ /* in process of stopping, just drop data */
+ if (!netif_running(kingsun->netdev)) {
+ dev_err(&kingsun->usbdev->dev,
+ "kingsun_send_irq: Network not running!\n");
+ return;
+ }
+
+ /* unlink, shutdown, unplug, other nasties */
+ if (urb->status != 0) {
+ dev_err(&kingsun->usbdev->dev,
+ "kingsun_send_irq: urb asynchronously failed - %d\n",
+ urb->status);
+ }
+ netif_wake_queue(netdev);
+}
+
+/*
+ * Called from net/core when new frame is available.
+ */
+static netdev_tx_t kingsun_hard_xmit(struct sk_buff *skb,
+ struct net_device *netdev)
+{
+ struct kingsun_cb *kingsun;
+ int wraplen;
+ int ret = 0;
+
+ netif_stop_queue(netdev);
+
+ /* the IRDA wrapping routines don't deal with non linear skb */
+ SKB_LINEAR_ASSERT(skb);
+
+ kingsun = netdev_priv(netdev);
+
+ spin_lock(&kingsun->lock);
+
+ /* Append data to the end of whatever data remains to be transmitted */
+ wraplen = async_wrap_skb(skb,
+ kingsun->out_buf,
+ KINGSUN_FIFO_SIZE);
+
+ /* Calculate how much data can be transmitted in this urb */
+ usb_fill_int_urb(kingsun->tx_urb, kingsun->usbdev,
+ usb_sndintpipe(kingsun->usbdev, kingsun->ep_out),
+ kingsun->out_buf, wraplen, kingsun_send_irq,
+ kingsun, 1);
+
+ if ((ret = usb_submit_urb(kingsun->tx_urb, GFP_ATOMIC))) {
+ dev_err(&kingsun->usbdev->dev,
+ "kingsun_hard_xmit: failed tx_urb submit: %d\n", ret);
+ switch (ret) {
+ case -ENODEV:
+ case -EPIPE:
+ break;
+ default:
+ netdev->stats.tx_errors++;
+ netif_start_queue(netdev);
+ }
+ } else {
+ netdev->stats.tx_packets++;
+ netdev->stats.tx_bytes += skb->len;
+ }
+
+ dev_kfree_skb(skb);
+ spin_unlock(&kingsun->lock);
+
+ return NETDEV_TX_OK;
+}
+
+/* Receive callback function */
+static void kingsun_rcv_irq(struct urb *urb)
+{
+ struct kingsun_cb *kingsun = urb->context;
+ int ret;
+
+ /* in process of stopping, just drop data */
+ if (!netif_running(kingsun->netdev)) {
+ kingsun->receiving = 0;
+ return;
+ }
+
+ /* unlink, shutdown, unplug, other nasties */
+ if (urb->status != 0) {
+ dev_err(&kingsun->usbdev->dev,
+ "kingsun_rcv_irq: urb asynchronously failed - %d\n",
+ urb->status);
+ kingsun->receiving = 0;
+ return;
+ }
+
+ if (urb->actual_length == kingsun->max_rx) {
+ __u8 *bytes = urb->transfer_buffer;
+ int i;
+
+ /* The very first byte in the buffer indicates the length of
+ valid data in the read. This byte must be in the range
+ 1..kingsun->max_rx -1 . Values outside this range indicate
+ an uninitialized Rx buffer when the dongle has just been
+ plugged in. */
+ if (bytes[0] >= 1 && bytes[0] < kingsun->max_rx) {
+ for (i = 1; i <= bytes[0]; i++) {
+ async_unwrap_char(kingsun->netdev,
+ &kingsun->netdev->stats,
+ &kingsun->rx_buff, bytes[i]);
+ }
+ kingsun->receiving =
+ (kingsun->rx_buff.state != OUTSIDE_FRAME)
+ ? 1 : 0;
+ }
+ } else if (urb->actual_length > 0) {
+ dev_err(&kingsun->usbdev->dev,
+ "%s(): Unexpected response length, expected %d got %d\n",
+ __func__, kingsun->max_rx, urb->actual_length);
+ }
+ /* This urb has already been filled in kingsun_net_open */
+ ret = usb_submit_urb(urb, GFP_ATOMIC);
+}
+
+/*
+ * Function kingsun_net_open (dev)
+ *
+ * Network device is taken up. Usually this is done by "ifconfig irda0 up"
+ */
+static int kingsun_net_open(struct net_device *netdev)
+{
+ struct kingsun_cb *kingsun = netdev_priv(netdev);
+ int err = -ENOMEM;
+ char hwname[16];
+
+ /* At this point, urbs are NULL, and skb is NULL (see kingsun_probe) */
+ kingsun->receiving = 0;
+
+ /* Initialize for SIR to copy data directly into skb. */
+ kingsun->rx_buff.in_frame = FALSE;
+ kingsun->rx_buff.state = OUTSIDE_FRAME;
+ kingsun->rx_buff.truesize = IRDA_SKB_MAX_MTU;
+ kingsun->rx_buff.skb = dev_alloc_skb(IRDA_SKB_MAX_MTU);
+ if (!kingsun->rx_buff.skb)
+ goto free_mem;
+
+ skb_reserve(kingsun->rx_buff.skb, 1);
+ kingsun->rx_buff.head = kingsun->rx_buff.skb->data;
+
+ kingsun->rx_urb = usb_alloc_urb(0, GFP_KERNEL);
+ if (!kingsun->rx_urb)
+ goto free_mem;
+
+ kingsun->tx_urb = usb_alloc_urb(0, GFP_KERNEL);
+ if (!kingsun->tx_urb)
+ goto free_mem;
+
+ /*
+ * Now that everything should be initialized properly,
+ * Open new IrLAP layer instance to take care of us...
+ */
+ sprintf(hwname, "usb#%d", kingsun->usbdev->devnum);
+ kingsun->irlap = irlap_open(netdev, &kingsun->qos, hwname);
+ if (!kingsun->irlap) {
+ dev_err(&kingsun->usbdev->dev, "irlap_open failed\n");
+ goto free_mem;
+ }
+
+ /* Start first reception */
+ usb_fill_int_urb(kingsun->rx_urb, kingsun->usbdev,
+ usb_rcvintpipe(kingsun->usbdev, kingsun->ep_in),
+ kingsun->in_buf, kingsun->max_rx,
+ kingsun_rcv_irq, kingsun, 1);
+ kingsun->rx_urb->status = 0;
+ err = usb_submit_urb(kingsun->rx_urb, GFP_KERNEL);
+ if (err) {
+ dev_err(&kingsun->usbdev->dev,
+ "first urb-submit failed: %d\n", err);
+ goto close_irlap;
+ }
+
+ netif_start_queue(netdev);
+
+ /* Situation at this point:
+ - all work buffers allocated
+ - urbs allocated and ready to fill
+ - max rx packet known (in max_rx)
+ - unwrap state machine initialized, in state outside of any frame
+ - receive request in progress
+ - IrLAP layer started, about to hand over packets to send
+ */
+
+ return 0;
+
+ close_irlap:
+ irlap_close(kingsun->irlap);
+ free_mem:
+ if (kingsun->tx_urb) {
+ usb_free_urb(kingsun->tx_urb);
+ kingsun->tx_urb = NULL;
+ }
+ if (kingsun->rx_urb) {
+ usb_free_urb(kingsun->rx_urb);
+ kingsun->rx_urb = NULL;
+ }
+ if (kingsun->rx_buff.skb) {
+ kfree_skb(kingsun->rx_buff.skb);
+ kingsun->rx_buff.skb = NULL;
+ kingsun->rx_buff.head = NULL;
+ }
+ return err;
+}
+
+/*
+ * Function kingsun_net_close (kingsun)
+ *
+ * Network device is taken down. Usually this is done by
+ * "ifconfig irda0 down"
+ */
+static int kingsun_net_close(struct net_device *netdev)
+{
+ struct kingsun_cb *kingsun = netdev_priv(netdev);
+
+ /* Stop transmit processing */
+ netif_stop_queue(netdev);
+
+ /* Mop up receive && transmit urb's */
+ usb_kill_urb(kingsun->tx_urb);
+ usb_kill_urb(kingsun->rx_urb);
+
+ usb_free_urb(kingsun->tx_urb);
+ usb_free_urb(kingsun->rx_urb);
+
+ kingsun->tx_urb = NULL;
+ kingsun->rx_urb = NULL;
+
+ kfree_skb(kingsun->rx_buff.skb);
+ kingsun->rx_buff.skb = NULL;
+ kingsun->rx_buff.head = NULL;
+ kingsun->rx_buff.in_frame = FALSE;
+ kingsun->rx_buff.state = OUTSIDE_FRAME;
+ kingsun->receiving = 0;
+
+ /* Stop and remove instance of IrLAP */
+ if (kingsun->irlap)
+ irlap_close(kingsun->irlap);
+
+ kingsun->irlap = NULL;
+
+ return 0;
+}
+
+/*
+ * IOCTLs : Extra out-of-band network commands...
+ */
+static int kingsun_net_ioctl(struct net_device *netdev, struct ifreq *rq,
+ int cmd)
+{
+ struct if_irda_req *irq = (struct if_irda_req *) rq;
+ struct kingsun_cb *kingsun = netdev_priv(netdev);
+ int ret = 0;
+
+ switch (cmd) {
+ case SIOCSBANDWIDTH: /* Set bandwidth */
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
+
+ /* Check if the device is still there */
+ if (netif_device_present(kingsun->netdev))
+ /* No observed commands for speed change */
+ ret = -EOPNOTSUPP;
+ break;
+
+ case SIOCSMEDIABUSY: /* Set media busy */
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
+
+ /* Check if the IrDA stack is still there */
+ if (netif_running(kingsun->netdev))
+ irda_device_set_media_busy(kingsun->netdev, TRUE);
+ break;
+
+ case SIOCGRECEIVING:
+ /* Only approximately true */
+ irq->ifr_receiving = kingsun->receiving;
+ break;
+
+ default:
+ ret = -EOPNOTSUPP;
+ }
+
+ return ret;
+}
+
+static const struct net_device_ops kingsun_ops = {
+ .ndo_start_xmit = kingsun_hard_xmit,
+ .ndo_open = kingsun_net_open,
+ .ndo_stop = kingsun_net_close,
+ .ndo_do_ioctl = kingsun_net_ioctl,
+};
+
+/*
+ * This routine is called by the USB subsystem for each new device
+ * in the system. We need to check if the device is ours, and in
+ * this case start handling it.
+ */
+static int kingsun_probe(struct usb_interface *intf,
+ const struct usb_device_id *id)
+{
+ struct usb_host_interface *interface;
+ struct usb_endpoint_descriptor *endpoint;
+
+ struct usb_device *dev = interface_to_usbdev(intf);
+ struct kingsun_cb *kingsun = NULL;
+ struct net_device *net = NULL;
+ int ret = -ENOMEM;
+ int pipe, maxp_in, maxp_out;
+ __u8 ep_in;
+ __u8 ep_out;
+
+ /* Check that there really are two interrupt endpoints.
+ Check based on the one in drivers/usb/input/usbmouse.c
+ */
+ interface = intf->cur_altsetting;
+ if (interface->desc.bNumEndpoints != 2) {
+ dev_err(&intf->dev,
+ "kingsun-sir: expected 2 endpoints, found %d\n",
+ interface->desc.bNumEndpoints);
+ return -ENODEV;
+ }
+ endpoint = &interface->endpoint[KINGSUN_EP_IN].desc;
+ if (!usb_endpoint_is_int_in(endpoint)) {
+ dev_err(&intf->dev,
+ "kingsun-sir: endpoint 0 is not interrupt IN\n");
+ return -ENODEV;
+ }
+
+ ep_in = endpoint->bEndpointAddress;
+ pipe = usb_rcvintpipe(dev, ep_in);
+ maxp_in = usb_maxpacket(dev, pipe, usb_pipeout(pipe));
+ if (maxp_in > 255 || maxp_in <= 1) {
+ dev_err(&intf->dev,
+ "endpoint 0 has max packet size %d not in range\n",
+ maxp_in);
+ return -ENODEV;
+ }
+
+ endpoint = &interface->endpoint[KINGSUN_EP_OUT].desc;
+ if (!usb_endpoint_is_int_out(endpoint)) {
+ dev_err(&intf->dev,
+ "kingsun-sir: endpoint 1 is not interrupt OUT\n");
+ return -ENODEV;
+ }
+
+ ep_out = endpoint->bEndpointAddress;
+ pipe = usb_sndintpipe(dev, ep_out);
+ maxp_out = usb_maxpacket(dev, pipe, usb_pipeout(pipe));
+
+ /* Allocate network device container. */
+ net = alloc_irdadev(sizeof(*kingsun));
+ if(!net)
+ goto err_out1;
+
+ SET_NETDEV_DEV(net, &intf->dev);
+ kingsun = netdev_priv(net);
+ kingsun->irlap = NULL;
+ kingsun->tx_urb = NULL;
+ kingsun->rx_urb = NULL;
+ kingsun->ep_in = ep_in;
+ kingsun->ep_out = ep_out;
+ kingsun->in_buf = NULL;
+ kingsun->out_buf = NULL;
+ kingsun->max_rx = (__u8)maxp_in;
+ kingsun->max_tx = (__u8)maxp_out;
+ kingsun->netdev = net;
+ kingsun->usbdev = dev;
+ kingsun->rx_buff.in_frame = FALSE;
+ kingsun->rx_buff.state = OUTSIDE_FRAME;
+ kingsun->rx_buff.skb = NULL;
+ kingsun->receiving = 0;
+ spin_lock_init(&kingsun->lock);
+
+ /* Allocate input buffer */
+ kingsun->in_buf = kmalloc(kingsun->max_rx, GFP_KERNEL);
+ if (!kingsun->in_buf)
+ goto free_mem;
+
+ /* Allocate output buffer */
+ kingsun->out_buf = kmalloc(KINGSUN_FIFO_SIZE, GFP_KERNEL);
+ if (!kingsun->out_buf)
+ goto free_mem;
+
+ printk(KERN_INFO "KingSun/DonShine IRDA/USB found at address %d, "
+ "Vendor: %x, Product: %x\n",
+ dev->devnum, le16_to_cpu(dev->descriptor.idVendor),
+ le16_to_cpu(dev->descriptor.idProduct));
+
+ /* Initialize QoS for this device */
+ irda_init_max_qos_capabilies(&kingsun->qos);
+
+ /* That's the Rx capability. */
+ kingsun->qos.baud_rate.bits &= IR_9600;
+ kingsun->qos.min_turn_time.bits &= KINGSUN_MTT;
+ irda_qos_bits_to_value(&kingsun->qos);
+
+ /* Override the network functions we need to use */
+ net->netdev_ops = &kingsun_ops;
+
+ ret = register_netdev(net);
+ if (ret != 0)
+ goto free_mem;
+
+ dev_info(&net->dev, "IrDA: Registered KingSun/DonShine device %s\n",
+ net->name);
+
+ usb_set_intfdata(intf, kingsun);
+
+ /* Situation at this point:
+ - all work buffers allocated
+ - urbs not allocated, set to NULL
+ - max rx packet known (in max_rx)
+ - unwrap state machine (partially) initialized, but skb == NULL
+ */
+
+ return 0;
+
+free_mem:
+ kfree(kingsun->out_buf);
+ kfree(kingsun->in_buf);
+ free_netdev(net);
+err_out1:
+ return ret;
+}
+
+/*
+ * The current device is removed, the USB layer tell us to shut it down...
+ */
+static void kingsun_disconnect(struct usb_interface *intf)
+{
+ struct kingsun_cb *kingsun = usb_get_intfdata(intf);
+
+ if (!kingsun)
+ return;
+
+ unregister_netdev(kingsun->netdev);
+
+ /* Mop up receive && transmit urb's */
+ if (kingsun->tx_urb != NULL) {
+ usb_kill_urb(kingsun->tx_urb);
+ usb_free_urb(kingsun->tx_urb);
+ kingsun->tx_urb = NULL;
+ }
+ if (kingsun->rx_urb != NULL) {
+ usb_kill_urb(kingsun->rx_urb);
+ usb_free_urb(kingsun->rx_urb);
+ kingsun->rx_urb = NULL;
+ }
+
+ kfree(kingsun->out_buf);
+ kfree(kingsun->in_buf);
+ free_netdev(kingsun->netdev);
+
+ usb_set_intfdata(intf, NULL);
+}
+
+#ifdef CONFIG_PM
+/* USB suspend, so power off the transmitter/receiver */
+static int kingsun_suspend(struct usb_interface *intf, pm_message_t message)
+{
+ struct kingsun_cb *kingsun = usb_get_intfdata(intf);
+
+ netif_device_detach(kingsun->netdev);
+ if (kingsun->tx_urb != NULL) usb_kill_urb(kingsun->tx_urb);
+ if (kingsun->rx_urb != NULL) usb_kill_urb(kingsun->rx_urb);
+ return 0;
+}
+
+/* Coming out of suspend, so reset hardware */
+static int kingsun_resume(struct usb_interface *intf)
+{
+ struct kingsun_cb *kingsun = usb_get_intfdata(intf);
+
+ if (kingsun->rx_urb != NULL)
+ usb_submit_urb(kingsun->rx_urb, GFP_KERNEL);
+ netif_device_attach(kingsun->netdev);
+
+ return 0;
+}
+#endif
+
+/*
+ * USB device callbacks
+ */
+static struct usb_driver irda_driver = {
+ .name = "kingsun-sir",
+ .probe = kingsun_probe,
+ .disconnect = kingsun_disconnect,
+ .id_table = dongles,
+#ifdef CONFIG_PM
+ .suspend = kingsun_suspend,
+ .resume = kingsun_resume,
+#endif
+};
+
+module_usb_driver(irda_driver);
+
+MODULE_AUTHOR("Alex Villacís Lasso <a_villacis@palosanto.com>");
+MODULE_DESCRIPTION("IrDA-USB Dongle Driver for KingSun/DonShine");
+MODULE_LICENSE("GPL");