[PATCH] USB: add the anydata usb-serial driver

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

4 files changed, 134 insertions, 0 deletions

diff --git a/drivers/usb/serial/Kconfig b/drivers/usb/serial/Kconfig
index 9438909e87a5..14f55fd26a64 100644
--- a/drivers/usb/serial/Kconfig
+++ b/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
diff --git a/drivers/usb/serial/Makefile b/drivers/usb/serial/Makefile
index 6c7cdcc99a9e..f0b04420cea1 100644
--- a/drivers/usb/serial/Makefile
+++ b/drivers/usb/serial/Makefile
@@ -12,6 +12,7 @@ usbserial-obj-$(CONFIG_USB_EZUSB)		+= ezusb.o
 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
diff --git a/drivers/usb/serial/anydata.c b/drivers/usb/serial/anydata.c
new file mode 100644
index 000000000000..18022a74a3dc
--- /dev/null
+++ b/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");
diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c
index 8909208f506a..53a47c31cd0e 100644
--- a/drivers/usb/serial/generic.c
+++ b/drivers/usb/serial/generic.c
@@ -309,6 +309,7 @@ void usb_serial_generic_write_bulk_callback (struct urb *urb, struct pt_regs *re
 
         schedule_work(&port->work);
 }
+EXPORT_SYMBOL_GPL(usb_serial_generic_write_bulk_callback);
 
 void usb_serial_generic_shutdown (struct usb_serial *serial)
 {