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    Subject[patch 22/22] USB: add the anydata usb-serial driver
    From: Greg Kroah-Hartman <gregkh@suse.de>

    Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

    ---
    drivers/usb/serial/Kconfig | 9 +++
    drivers/usb/serial/Makefile | 1
    drivers/usb/serial/anydata.c | 123 +++++++++++++++++++++++++++++++++++++++++++
    drivers/usb/serial/generic.c | 1
    4 files changed, 134 insertions(+)

    --- /dev/null
    +++ usb-2.6/drivers/usb/serial/anydata.c
    @@ -0,0 +1,123 @@
    +/*
    + * AnyData CDMA Serial USB driver
    + *
    + * Copyright (C) 2005 Greg Kroah-Hartman <gregkh@suse.de>
    + *
    + * 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.
    + */
    +
    +#include <linux/kernel.h>
    +#include <linux/init.h>
    +#include <linux/tty.h>
    +#include <linux/module.h>
    +#include <linux/usb.h>
    +#include "usb-serial.h"
    +
    +static struct usb_device_id id_table [] = {
    + { USB_DEVICE(0x16d5, 0x6501) }, /* AirData CDMA device */
    + { },
    +};
    +MODULE_DEVICE_TABLE(usb, id_table);
    +
    +/* if overridden by the user, then use their value for the size of the
    + * read and write urbs */
    +static int buffer_size;
    +static int debug;
    +
    +static struct usb_driver anydata_driver = {
    + .owner = THIS_MODULE,
    + .name = "anydata",
    + .probe = usb_serial_probe,
    + .disconnect = usb_serial_disconnect,
    + .id_table = id_table,
    +};
    +
    +static int anydata_open(struct usb_serial_port *port, struct file *filp)
    +{
    + char *buffer;
    + int result = 0;
    +
    + dbg("%s - port %d", __FUNCTION__, port->number);
    +
    + if (buffer_size) {
    + /* override the default buffer sizes */
    + buffer = kmalloc(buffer_size, GFP_KERNEL);
    + if (!buffer) {
    + dev_err(&port->dev, "%s - out of memory.\n",
    + __FUNCTION__);
    + return -ENOMEM;
    + }
    + kfree (port->read_urb->transfer_buffer);
    + port->read_urb->transfer_buffer = buffer;
    + port->read_urb->transfer_buffer_length = buffer_size;
    +
    + buffer = kmalloc(buffer_size, GFP_KERNEL);
    + if (!buffer) {
    + dev_err(&port->dev, "%s - out of memory.\n",
    + __FUNCTION__);
    + return -ENOMEM;
    + }
    + kfree (port->write_urb->transfer_buffer);
    + port->write_urb->transfer_buffer = buffer;
    + port->write_urb->transfer_buffer_length = buffer_size;
    + port->bulk_out_size = buffer_size;
    + }
    +
    + /* Start reading from the device */
    + usb_fill_bulk_urb(port->read_urb, port->serial->dev,
    + usb_rcvbulkpipe(port->serial->dev,
    + port->bulk_in_endpointAddress),
    + port->read_urb->transfer_buffer,
    + port->read_urb->transfer_buffer_length,
    + usb_serial_generic_write_bulk_callback, port);
    + result = usb_submit_urb(port->read_urb, GFP_KERNEL);
    + if (result)
    + dev_err(&port->dev,
    + "%s - failed submitting read urb, error %d\n",
    + __FUNCTION__, result);
    +
    + return result;
    +}
    +
    +static struct usb_serial_driver anydata_device = {
    + .driver = {
    + .owner = THIS_MODULE,
    + .name = "anydata",
    + },
    + .id_table = id_table,
    + .num_interrupt_in = NUM_DONT_CARE,
    + .num_bulk_in = NUM_DONT_CARE,
    + .num_bulk_out = NUM_DONT_CARE,
    + .num_ports = 1,
    + .open = anydata_open,
    +};
    +
    +static int __init anydata_init(void)
    +{
    + int retval;
    +
    + retval = usb_serial_register(&anydata_device);
    + if (retval)
    + return retval;
    + retval = usb_register(&anydata_driver);
    + if (retval)
    + usb_serial_deregister(&anydata_device);
    + return retval;
    +}
    +
    +static void __exit anydata_exit(void)
    +{
    + usb_deregister(&anydata_driver);
    + usb_serial_deregister(&anydata_device);
    +}
    +
    +module_init(anydata_init);
    +module_exit(anydata_exit);
    +MODULE_LICENSE("GPL");
    +
    +module_param(debug, bool, S_IRUGO | S_IWUSR);
    +MODULE_PARM_DESC(debug, "Debug enabled or not");
    +module_param(buffer_size, int, 0);
    +MODULE_PARM_DESC(buffer_size, "Size of the transfer buffers");
    --- usb-2.6.orig/drivers/usb/serial/Kconfig
    +++ usb-2.6/drivers/usb/serial/Kconfig
    @@ -62,6 +62,15 @@ config USB_SERIAL_AIRPRIME
    To compile this driver as a module, choose M here: the
    module will be called airprime.

    +config USB_SERIAL_ANYDATA
    + tristate "USB AnyData CDMA Wireless Driver"
    + depends on USB_SERIAL
    + help
    + Say Y here if you want to use a AnyData CDMA device.
    +
    + To compile this driver as a module, choose M here: the
    + module will be called anydata.
    +
    config USB_SERIAL_BELKIN
    tristate "USB Belkin and Peracom Single Port Serial Driver"
    depends on USB_SERIAL
    --- usb-2.6.orig/drivers/usb/serial/Makefile
    +++ usb-2.6/drivers/usb/serial/Makefile
    @@ -12,6 +12,7 @@ usbserial-obj-$(CONFIG_USB_EZUSB) += ez
    usbserial-objs := usb-serial.o generic.o bus.o $(usbserial-obj-y)

    obj-$(CONFIG_USB_SERIAL_AIRPRIME) += airprime.o
    +obj-$(CONFIG_USB_SERIAL_ANYDATA) += anydata.o
    obj-$(CONFIG_USB_SERIAL_BELKIN) += belkin_sa.o
    obj-$(CONFIG_USB_SERIAL_CP2101) += cp2101.o
    obj-$(CONFIG_USB_SERIAL_CYBERJACK) += cyberjack.o
    --- usb-2.6.orig/drivers/usb/serial/generic.c
    +++ usb-2.6/drivers/usb/serial/generic.c
    @@ -309,6 +309,7 @@ void usb_serial_generic_write_bulk_callb

    schedule_work(&port->work);
    }
    +EXPORT_SYMBOL_GPL(usb_serial_generic_write_bulk_callback);

    void usb_serial_generic_shutdown (struct usb_serial *serial)
    {
    --
    -
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