Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / usb / serial / visor.c
diff --git a/kernel/drivers/usb/serial/visor.c b/kernel/drivers/usb/serial/visor.c
new file mode 100644 (file)
index 0000000..60afb39
--- /dev/null
@@ -0,0 +1,619 @@
+/*
+ * USB HandSpring Visor, Palm m50x, and Sony Clie driver
+ * (supports all of the Palm OS USB devices)
+ *
+ *     Copyright (C) 1999 - 2004
+ *         Greg Kroah-Hartman (greg@kroah.com)
+ *
+ *     This program is free software; you can redistribute it and/or
+ *     modify it under the terms of the GNU General Public License version
+ *     2 as published by the Free Software Foundation.
+ *
+ * See Documentation/usb/usb-serial.txt for more information on using this
+ * driver
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/slab.h>
+#include <linux/tty.h>
+#include <linux/tty_driver.h>
+#include <linux/tty_flip.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/spinlock.h>
+#include <linux/uaccess.h>
+#include <linux/usb.h>
+#include <linux/usb/serial.h>
+#include <linux/usb/cdc.h>
+#include "visor.h"
+
+/*
+ * Version Information
+ */
+#define DRIVER_AUTHOR "Greg Kroah-Hartman <greg@kroah.com>"
+#define DRIVER_DESC "USB HandSpring Visor / Palm OS driver"
+
+/* function prototypes for a handspring visor */
+static int  visor_open(struct tty_struct *tty, struct usb_serial_port *port);
+static void visor_close(struct usb_serial_port *port);
+static int  visor_probe(struct usb_serial *serial,
+                                       const struct usb_device_id *id);
+static int  visor_calc_num_ports(struct usb_serial *serial);
+static void visor_read_int_callback(struct urb *urb);
+static int  clie_3_5_startup(struct usb_serial *serial);
+static int  treo_attach(struct usb_serial *serial);
+static int clie_5_attach(struct usb_serial *serial);
+static int palm_os_3_probe(struct usb_serial *serial,
+                                       const struct usb_device_id *id);
+static int palm_os_4_probe(struct usb_serial *serial,
+                                       const struct usb_device_id *id);
+
+static const struct usb_device_id id_table[] = {
+       { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_VISOR_ID),
+               .driver_info = (kernel_ulong_t)&palm_os_3_probe },
+       { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO_ID),
+               .driver_info = (kernel_ulong_t)&palm_os_4_probe },
+       { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO600_ID),
+               .driver_info = (kernel_ulong_t)&palm_os_4_probe },
+       { USB_DEVICE(GSPDA_VENDOR_ID, GSPDA_XPLORE_M68_ID),
+               .driver_info = (kernel_ulong_t)&palm_os_4_probe },
+       { USB_DEVICE(PALM_VENDOR_ID, PALM_M500_ID),
+               .driver_info = (kernel_ulong_t)&palm_os_4_probe },
+       { USB_DEVICE(PALM_VENDOR_ID, PALM_M505_ID),
+               .driver_info = (kernel_ulong_t)&palm_os_4_probe },
+       { USB_DEVICE(PALM_VENDOR_ID, PALM_M515_ID),
+               .driver_info = (kernel_ulong_t)&palm_os_4_probe },
+       { USB_DEVICE(PALM_VENDOR_ID, PALM_I705_ID),
+               .driver_info = (kernel_ulong_t)&palm_os_4_probe },
+       { USB_DEVICE(PALM_VENDOR_ID, PALM_M100_ID),
+               .driver_info = (kernel_ulong_t)&palm_os_4_probe },
+       { USB_DEVICE(PALM_VENDOR_ID, PALM_M125_ID),
+               .driver_info = (kernel_ulong_t)&palm_os_4_probe },
+       { USB_DEVICE(PALM_VENDOR_ID, PALM_M130_ID),
+               .driver_info = (kernel_ulong_t)&palm_os_4_probe },
+       { USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_T_ID),
+               .driver_info = (kernel_ulong_t)&palm_os_4_probe },
+       { USB_DEVICE(PALM_VENDOR_ID, PALM_TREO_650),
+               .driver_info = (kernel_ulong_t)&palm_os_4_probe },
+       { USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_Z_ID),
+               .driver_info = (kernel_ulong_t)&palm_os_4_probe },
+       { USB_DEVICE(PALM_VENDOR_ID, PALM_ZIRE_ID),
+               .driver_info = (kernel_ulong_t)&palm_os_4_probe },
+       { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_0_ID),
+               .driver_info = (kernel_ulong_t)&palm_os_4_probe },
+       { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_S360_ID),
+               .driver_info = (kernel_ulong_t)&palm_os_4_probe },
+       { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_1_ID),
+               .driver_info = (kernel_ulong_t)&palm_os_4_probe },
+       { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_NX60_ID),
+               .driver_info = (kernel_ulong_t)&palm_os_4_probe },
+       { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_NZ90V_ID),
+               .driver_info = (kernel_ulong_t)&palm_os_4_probe },
+       { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_TJ25_ID),
+               .driver_info = (kernel_ulong_t)&palm_os_4_probe },
+       { USB_DEVICE(ACER_VENDOR_ID, ACER_S10_ID),
+               .driver_info = (kernel_ulong_t)&palm_os_4_probe },
+       { USB_DEVICE_INTERFACE_CLASS(SAMSUNG_VENDOR_ID, SAMSUNG_SCH_I330_ID, 0xff),
+               .driver_info = (kernel_ulong_t)&palm_os_4_probe },
+       { USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_SPH_I500_ID),
+               .driver_info = (kernel_ulong_t)&palm_os_4_probe },
+       { USB_DEVICE(TAPWAVE_VENDOR_ID, TAPWAVE_ZODIAC_ID),
+               .driver_info = (kernel_ulong_t)&palm_os_4_probe },
+       { USB_DEVICE(GARMIN_VENDOR_ID, GARMIN_IQUE_3600_ID),
+               .driver_info = (kernel_ulong_t)&palm_os_4_probe },
+       { USB_DEVICE(ACEECA_VENDOR_ID, ACEECA_MEZ1000_ID),
+               .driver_info = (kernel_ulong_t)&palm_os_4_probe },
+       { USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_7135_ID),
+               .driver_info = (kernel_ulong_t)&palm_os_4_probe },
+       { USB_DEVICE(FOSSIL_VENDOR_ID, FOSSIL_ABACUS_ID),
+               .driver_info = (kernel_ulong_t)&palm_os_4_probe },
+       { }                                     /* Terminating entry */
+};
+
+static const struct usb_device_id clie_id_5_table[] = {
+       { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_UX50_ID),
+               .driver_info = (kernel_ulong_t)&palm_os_4_probe },
+       { }                                     /* Terminating entry */
+};
+
+static const struct usb_device_id clie_id_3_5_table[] = {
+       { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_3_5_ID) },
+       { }                                     /* Terminating entry */
+};
+
+static const struct usb_device_id id_table_combined[] = {
+       { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_VISOR_ID) },
+       { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO_ID) },
+       { USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_TREO600_ID) },
+       { USB_DEVICE(GSPDA_VENDOR_ID, GSPDA_XPLORE_M68_ID) },
+       { USB_DEVICE(PALM_VENDOR_ID, PALM_M500_ID) },
+       { USB_DEVICE(PALM_VENDOR_ID, PALM_M505_ID) },
+       { USB_DEVICE(PALM_VENDOR_ID, PALM_M515_ID) },
+       { USB_DEVICE(PALM_VENDOR_ID, PALM_I705_ID) },
+       { USB_DEVICE(PALM_VENDOR_ID, PALM_M100_ID) },
+       { USB_DEVICE(PALM_VENDOR_ID, PALM_M125_ID) },
+       { USB_DEVICE(PALM_VENDOR_ID, PALM_M130_ID) },
+       { USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_T_ID) },
+       { USB_DEVICE(PALM_VENDOR_ID, PALM_TREO_650) },
+       { USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_Z_ID) },
+       { USB_DEVICE(PALM_VENDOR_ID, PALM_ZIRE_ID) },
+       { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_3_5_ID) },
+       { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_0_ID) },
+       { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_S360_ID) },
+       { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_1_ID) },
+       { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_NX60_ID) },
+       { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_NZ90V_ID) },
+       { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_UX50_ID) },
+       { USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_TJ25_ID) },
+       { USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_SCH_I330_ID) },
+       { USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_SPH_I500_ID) },
+       { USB_DEVICE(TAPWAVE_VENDOR_ID, TAPWAVE_ZODIAC_ID) },
+       { USB_DEVICE(GARMIN_VENDOR_ID, GARMIN_IQUE_3600_ID) },
+       { USB_DEVICE(ACEECA_VENDOR_ID, ACEECA_MEZ1000_ID) },
+       { USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_7135_ID) },
+       { USB_DEVICE(FOSSIL_VENDOR_ID, FOSSIL_ABACUS_ID) },
+       { }                                     /* Terminating entry */
+};
+
+MODULE_DEVICE_TABLE(usb, id_table_combined);
+
+/* All of the device info needed for the Handspring Visor,
+   and Palm 4.0 devices */
+static struct usb_serial_driver handspring_device = {
+       .driver = {
+               .owner =        THIS_MODULE,
+               .name =         "visor",
+       },
+       .description =          "Handspring Visor / Palm OS",
+       .id_table =             id_table,
+       .num_ports =            2,
+       .bulk_out_size =        256,
+       .open =                 visor_open,
+       .close =                visor_close,
+       .throttle =             usb_serial_generic_throttle,
+       .unthrottle =           usb_serial_generic_unthrottle,
+       .attach =               treo_attach,
+       .probe =                visor_probe,
+       .calc_num_ports =       visor_calc_num_ports,
+       .read_int_callback =    visor_read_int_callback,
+};
+
+/* All of the device info needed for the Clie UX50, TH55 Palm 5.0 devices */
+static struct usb_serial_driver clie_5_device = {
+       .driver = {
+               .owner =        THIS_MODULE,
+               .name =         "clie_5",
+       },
+       .description =          "Sony Clie 5.0",
+       .id_table =             clie_id_5_table,
+       .num_ports =            2,
+       .bulk_out_size =        256,
+       .open =                 visor_open,
+       .close =                visor_close,
+       .throttle =             usb_serial_generic_throttle,
+       .unthrottle =           usb_serial_generic_unthrottle,
+       .attach =               clie_5_attach,
+       .probe =                visor_probe,
+       .calc_num_ports =       visor_calc_num_ports,
+       .read_int_callback =    visor_read_int_callback,
+};
+
+/* device info for the Sony Clie OS version 3.5 */
+static struct usb_serial_driver clie_3_5_device = {
+       .driver = {
+               .owner =        THIS_MODULE,
+               .name =         "clie_3.5",
+       },
+       .description =          "Sony Clie 3.5",
+       .id_table =             clie_id_3_5_table,
+       .num_ports =            1,
+       .bulk_out_size =        256,
+       .open =                 visor_open,
+       .close =                visor_close,
+       .throttle =             usb_serial_generic_throttle,
+       .unthrottle =           usb_serial_generic_unthrottle,
+       .attach =               clie_3_5_startup,
+};
+
+static struct usb_serial_driver * const serial_drivers[] = {
+       &handspring_device, &clie_5_device, &clie_3_5_device, NULL
+};
+
+/******************************************************************************
+ * Handspring Visor specific driver functions
+ ******************************************************************************/
+static int visor_open(struct tty_struct *tty, struct usb_serial_port *port)
+{
+       int result = 0;
+
+       if (!port->read_urb) {
+               /* this is needed for some brain dead Sony devices */
+               dev_err(&port->dev, "Device lied about number of ports, please use a lower one.\n");
+               return -ENODEV;
+       }
+
+       /* Start reading from the device */
+       result = usb_serial_generic_open(tty, port);
+       if (result)
+               goto exit;
+
+       if (port->interrupt_in_urb) {
+               dev_dbg(&port->dev, "adding interrupt input for treo\n");
+               result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
+               if (result)
+                       dev_err(&port->dev,
+                           "%s - failed submitting interrupt urb, error %d\n",
+                                                       __func__, result);
+       }
+exit:
+       return result;
+}
+
+
+static void visor_close(struct usb_serial_port *port)
+{
+       unsigned char *transfer_buffer;
+
+       usb_serial_generic_close(port);
+       usb_kill_urb(port->interrupt_in_urb);
+
+       transfer_buffer = kmalloc(0x12, GFP_KERNEL);
+       if (!transfer_buffer)
+               return;
+       usb_control_msg(port->serial->dev,
+                                        usb_rcvctrlpipe(port->serial->dev, 0),
+                                        VISOR_CLOSE_NOTIFICATION, 0xc2,
+                                        0x0000, 0x0000,
+                                        transfer_buffer, 0x12, 300);
+       kfree(transfer_buffer);
+}
+
+static void visor_read_int_callback(struct urb *urb)
+{
+       struct usb_serial_port *port = urb->context;
+       int status = urb->status;
+       int result;
+
+       switch (status) {
+       case 0:
+               /* success */
+               break;
+       case -ECONNRESET:
+       case -ENOENT:
+       case -ESHUTDOWN:
+               /* this urb is terminated, clean up */
+               dev_dbg(&port->dev, "%s - urb shutting down with status: %d\n",
+                       __func__, status);
+               return;
+       default:
+               dev_dbg(&port->dev, "%s - nonzero urb status received: %d\n",
+                       __func__, status);
+               goto exit;
+       }
+
+       /*
+        * This information is still unknown what it can be used for.
+        * If anyone has an idea, please let the author know...
+        *
+        * Rumor has it this endpoint is used to notify when data
+        * is ready to be read from the bulk ones.
+        */
+       usb_serial_debug_data(&port->dev, __func__, urb->actual_length,
+                             urb->transfer_buffer);
+
+exit:
+       result = usb_submit_urb(urb, GFP_ATOMIC);
+       if (result)
+               dev_err(&urb->dev->dev,
+                               "%s - Error %d submitting interrupt urb\n",
+                                                       __func__, result);
+}
+
+static int palm_os_3_probe(struct usb_serial *serial,
+                                               const struct usb_device_id *id)
+{
+       struct device *dev = &serial->dev->dev;
+       struct visor_connection_info *connection_info;
+       unsigned char *transfer_buffer;
+       char *string;
+       int retval = 0;
+       int i;
+       int num_ports = 0;
+
+       transfer_buffer = kmalloc(sizeof(*connection_info), GFP_KERNEL);
+       if (!transfer_buffer)
+               return -ENOMEM;
+
+       /* send a get connection info request */
+       retval = usb_control_msg(serial->dev,
+                                 usb_rcvctrlpipe(serial->dev, 0),
+                                 VISOR_GET_CONNECTION_INFORMATION,
+                                 0xc2, 0x0000, 0x0000, transfer_buffer,
+                                 sizeof(*connection_info), 300);
+       if (retval < 0) {
+               dev_err(dev, "%s - error %d getting connection information\n",
+                       __func__, retval);
+               goto exit;
+       }
+
+       if (retval == sizeof(*connection_info)) {
+                       connection_info = (struct visor_connection_info *)
+                                                       transfer_buffer;
+
+               num_ports = le16_to_cpu(connection_info->num_ports);
+               for (i = 0; i < num_ports; ++i) {
+                       switch (
+                          connection_info->connections[i].port_function_id) {
+                       case VISOR_FUNCTION_GENERIC:
+                               string = "Generic";
+                               break;
+                       case VISOR_FUNCTION_DEBUGGER:
+                               string = "Debugger";
+                               break;
+                       case VISOR_FUNCTION_HOTSYNC:
+                               string = "HotSync";
+                               break;
+                       case VISOR_FUNCTION_CONSOLE:
+                               string = "Console";
+                               break;
+                       case VISOR_FUNCTION_REMOTE_FILE_SYS:
+                               string = "Remote File System";
+                               break;
+                       default:
+                               string = "unknown";
+                               break;
+                       }
+                       dev_info(dev, "%s: port %d, is for %s use\n",
+                               serial->type->description,
+                               connection_info->connections[i].port, string);
+               }
+       }
+       /*
+       * Handle devices that report invalid stuff here.
+       */
+       if (num_ports == 0 || num_ports > 2) {
+               dev_warn(dev, "%s: No valid connect info available\n",
+                       serial->type->description);
+               num_ports = 2;
+       }
+
+       dev_info(dev, "%s: Number of ports: %d\n", serial->type->description,
+               num_ports);
+
+       /*
+        * save off our num_ports info so that we can use it in the
+        * calc_num_ports callback
+        */
+       usb_set_serial_data(serial, (void *)(long)num_ports);
+
+       /* ask for the number of bytes available, but ignore the
+          response as it is broken */
+       retval = usb_control_msg(serial->dev,
+                                 usb_rcvctrlpipe(serial->dev, 0),
+                                 VISOR_REQUEST_BYTES_AVAILABLE,
+                                 0xc2, 0x0000, 0x0005, transfer_buffer,
+                                 0x02, 300);
+       if (retval < 0)
+               dev_err(dev, "%s - error %d getting bytes available request\n",
+                       __func__, retval);
+       retval = 0;
+
+exit:
+       kfree(transfer_buffer);
+
+       return retval;
+}
+
+static int palm_os_4_probe(struct usb_serial *serial,
+                                               const struct usb_device_id *id)
+{
+       struct device *dev = &serial->dev->dev;
+       struct palm_ext_connection_info *connection_info;
+       unsigned char *transfer_buffer;
+       int retval;
+
+       transfer_buffer =  kmalloc(sizeof(*connection_info), GFP_KERNEL);
+       if (!transfer_buffer)
+               return -ENOMEM;
+
+       retval = usb_control_msg(serial->dev,
+                                 usb_rcvctrlpipe(serial->dev, 0),
+                                 PALM_GET_EXT_CONNECTION_INFORMATION,
+                                 0xc2, 0x0000, 0x0000, transfer_buffer,
+                                 sizeof(*connection_info), 300);
+       if (retval < 0)
+               dev_err(dev, "%s - error %d getting connection info\n",
+                       __func__, retval);
+       else
+               usb_serial_debug_data(dev, __func__, retval, transfer_buffer);
+
+       kfree(transfer_buffer);
+       return 0;
+}
+
+
+static int visor_probe(struct usb_serial *serial,
+                                       const struct usb_device_id *id)
+{
+       int retval = 0;
+       int (*startup)(struct usb_serial *serial,
+                                       const struct usb_device_id *id);
+
+       /*
+        * some Samsung Android phones in modem mode have the same ID
+        * as SPH-I500, but they are ACM devices, so dont bind to them
+        */
+       if (id->idVendor == SAMSUNG_VENDOR_ID &&
+               id->idProduct == SAMSUNG_SPH_I500_ID &&
+               serial->dev->descriptor.bDeviceClass == USB_CLASS_COMM &&
+               serial->dev->descriptor.bDeviceSubClass ==
+                       USB_CDC_SUBCLASS_ACM)
+               return -ENODEV;
+
+       if (serial->dev->actconfig->desc.bConfigurationValue != 1) {
+               dev_err(&serial->dev->dev, "active config #%d != 1 ??\n",
+                       serial->dev->actconfig->desc.bConfigurationValue);
+               return -ENODEV;
+       }
+
+       if (id->driver_info) {
+               startup = (void *)id->driver_info;
+               retval = startup(serial, id);
+       }
+
+       return retval;
+}
+
+static int visor_calc_num_ports(struct usb_serial *serial)
+{
+       int num_ports = (int)(long)(usb_get_serial_data(serial));
+
+       if (num_ports)
+               usb_set_serial_data(serial, NULL);
+
+       return num_ports;
+}
+
+static int clie_3_5_startup(struct usb_serial *serial)
+{
+       struct device *dev = &serial->dev->dev;
+       int result;
+       u8 *data;
+
+       data = kmalloc(1, GFP_KERNEL);
+       if (!data)
+               return -ENOMEM;
+
+       /*
+        * Note that PEG-300 series devices expect the following two calls.
+        */
+
+       /* get the config number */
+       result = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
+                                 USB_REQ_GET_CONFIGURATION, USB_DIR_IN,
+                                 0, 0, data, 1, 3000);
+       if (result < 0) {
+               dev_err(dev, "%s: get config number failed: %d\n",
+                                                       __func__, result);
+               goto out;
+       }
+       if (result != 1) {
+               dev_err(dev, "%s: get config number bad return length: %d\n",
+                                                       __func__, result);
+               result = -EIO;
+               goto out;
+       }
+
+       /* get the interface number */
+       result = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
+                                 USB_REQ_GET_INTERFACE,
+                                 USB_DIR_IN | USB_RECIP_INTERFACE,
+                                 0, 0, data, 1, 3000);
+       if (result < 0) {
+               dev_err(dev, "%s: get interface number failed: %d\n",
+                                                       __func__, result);
+               goto out;
+       }
+       if (result != 1) {
+               dev_err(dev,
+                       "%s: get interface number bad return length: %d\n",
+                                                       __func__, result);
+               result = -EIO;
+               goto out;
+       }
+
+       result = 0;
+out:
+       kfree(data);
+
+       return result;
+}
+
+static int treo_attach(struct usb_serial *serial)
+{
+       struct usb_serial_port *swap_port;
+
+       /* Only do this endpoint hack for the Handspring devices with
+        * interrupt in endpoints, which for now are the Treo devices. */
+       if (!((le16_to_cpu(serial->dev->descriptor.idVendor)
+                                               == HANDSPRING_VENDOR_ID) ||
+               (le16_to_cpu(serial->dev->descriptor.idVendor)
+                                               == KYOCERA_VENDOR_ID)) ||
+               (serial->num_interrupt_in == 0))
+               return 0;
+
+       /*
+       * It appears that Treos and Kyoceras want to use the
+       * 1st bulk in endpoint to communicate with the 2nd bulk out endpoint,
+       * so let's swap the 1st and 2nd bulk in and interrupt endpoints.
+       * Note that swapping the bulk out endpoints would break lots of
+       * apps that want to communicate on the second port.
+       */
+#define COPY_PORT(dest, src)                                           \
+       do { \
+               int i;                                                  \
+                                                                       \
+               for (i = 0; i < ARRAY_SIZE(src->read_urbs); ++i) {      \
+                       dest->read_urbs[i] = src->read_urbs[i];         \
+                       dest->read_urbs[i]->context = dest;             \
+                       dest->bulk_in_buffers[i] = src->bulk_in_buffers[i]; \
+               }                                                       \
+               dest->read_urb = src->read_urb;                         \
+               dest->bulk_in_endpointAddress = src->bulk_in_endpointAddress;\
+               dest->bulk_in_buffer = src->bulk_in_buffer;             \
+               dest->bulk_in_size = src->bulk_in_size;                 \
+               dest->interrupt_in_urb = src->interrupt_in_urb;         \
+               dest->interrupt_in_urb->context = dest;                 \
+               dest->interrupt_in_endpointAddress = \
+                                       src->interrupt_in_endpointAddress;\
+               dest->interrupt_in_buffer = src->interrupt_in_buffer;   \
+       } while (0);
+
+       swap_port = kmalloc(sizeof(*swap_port), GFP_KERNEL);
+       if (!swap_port)
+               return -ENOMEM;
+       COPY_PORT(swap_port, serial->port[0]);
+       COPY_PORT(serial->port[0], serial->port[1]);
+       COPY_PORT(serial->port[1], swap_port);
+       kfree(swap_port);
+
+       return 0;
+}
+
+static int clie_5_attach(struct usb_serial *serial)
+{
+       struct usb_serial_port *port;
+       unsigned int pipe;
+       int j;
+
+       /* TH55 registers 2 ports.
+          Communication in from the UX50/TH55 uses bulk_in_endpointAddress
+          from port 0. Communication out to the UX50/TH55 uses
+          bulk_out_endpointAddress from port 1
+
+          Lets do a quick and dirty mapping
+        */
+
+       /* some sanity check */
+       if (serial->num_ports < 2)
+               return -1;
+
+       /* port 0 now uses the modified endpoint Address */
+       port = serial->port[0];
+       port->bulk_out_endpointAddress =
+                               serial->port[1]->bulk_out_endpointAddress;
+
+       pipe = usb_sndbulkpipe(serial->dev, port->bulk_out_endpointAddress);
+       for (j = 0; j < ARRAY_SIZE(port->write_urbs); ++j)
+               port->write_urbs[j]->pipe = pipe;
+
+       return 0;
+}
+
+module_usb_serial_driver(serial_drivers, id_table_combined);
+
+MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE("GPL");