[PATCH] USB: add nokia_dku2 driver

This driver comes from the gnokii project.
Was further cleaned up by me to match recent usb-serial core changes.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/usb/serial/Kconfig

@@ -394,6 +394,15 @@ config USB_SERIAL_MCT_U232
 	  To compile this driver as a module, choose M here: the
 	  module will be called mct_u232.
 
+config USB_SERIAL_NOKIA_DKU2
+	tristate "USB Nokia DKU2 Driver"
+	depends on USB_SERIAL
+	help
+	  Say Y here if you want to use a Nokia DKU2 device.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called nokia_dku2.
+
 config USB_SERIAL_PL2303
 	tristate "USB Prolific 2303 Single Port Serial Driver"
 	depends on USB_SERIAL

drivers/usb/serial/Makefile

@@ -31,6 +31,7 @@ obj-$(CONFIG_USB_SERIAL_KEYSPAN_PDA)		+= keyspan_pda.o
 obj-$(CONFIG_USB_SERIAL_KLSI)			+= kl5kusb105.o
 obj-$(CONFIG_USB_SERIAL_KOBIL_SCT)		+= kobil_sct.o
 obj-$(CONFIG_USB_SERIAL_MCT_U232)		+= mct_u232.o
+obj-$(CONFIG_USB_SERIAL_NOKIA_DKU2)		+= nokia_dku2.o
 obj-$(CONFIG_USB_SERIAL_OMNINET)		+= omninet.o
 obj-$(CONFIG_USB_SERIAL_OPTION)			+= option.o
 obj-$(CONFIG_USB_SERIAL_PL2303)			+= pl2303.o

drivers/usb/serial/nokia_dku2.c

+/*
+ *  Nokia DKU2 USB driver
+ *
+ *  Copyright (C) 2004
+ *  Author: C Kemp
+ *
+ *  This program is largely derived from work by the linux-usb group
+ *  and associated source files.  Please see the usb/serial files for
+ *  individual credits and copyrights.
+ *
+ *  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, or
+ *  (at your option) any later version.
+ *
+ *  20.09.2005 - Matthias Blaesing <matthias.blaesing@rwth-aachen.de>
+ *  Added short name to device structure to make driver load into kernel 2.6.13
+ *
+ *  20.09.2005 - Matthias Blaesing <matthias.blaesing@rwth-aachen.de>
+ *  Added usb_deregister to exit code - to allow remove and reinsert of module
+ */
+
+
+#include <linux/config.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/init.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/usb.h>
+#include "usb-serial.h"
+
+
+#define NOKIA_VENDOR_ID		0x0421
+#define NOKIA7600_PRODUCT_ID	0x0400
+#define NOKIA6230_PRODUCT_ID	0x040f
+#define NOKIA6170_PRODUCT_ID	0x0416
+#define NOKIA6670_PRODUCT_ID	0x041d
+#define NOKIA6680_PRODUCT_ID	0x041e
+#define NOKIA6230i_PRODUCT_ID	0x0428
+
+#define NOKIA_AT_PORT	0x82
+#define NOKIA_FBUS_PORT	0x86
+
+/*
+ * Version Information
+ */
+#define DRIVER_VERSION	"v0.2"
+#define DRIVER_AUTHOR	"C Kemp"
+#define DRIVER_DESC	"Nokia DKU2 Driver"
+
+static struct usb_device_id id_table [] = {
+	{ USB_DEVICE(NOKIA_VENDOR_ID, NOKIA7600_PRODUCT_ID) },
+	{ USB_DEVICE(NOKIA_VENDOR_ID, NOKIA6230_PRODUCT_ID) },
+	{ USB_DEVICE(NOKIA_VENDOR_ID, NOKIA6170_PRODUCT_ID) },
+	{ USB_DEVICE(NOKIA_VENDOR_ID, NOKIA6670_PRODUCT_ID) },
+	{ USB_DEVICE(NOKIA_VENDOR_ID, NOKIA6680_PRODUCT_ID) },
+	{ USB_DEVICE(NOKIA_VENDOR_ID, NOKIA6230i_PRODUCT_ID) },
+	{ }			/* Terminating entry */
+};
+MODULE_DEVICE_TABLE(usb, id_table);
+
+/* The only thing which makes this device different from a generic
+ * device is that we have to set an alternative configuration to make
+ * the relevant endpoints available. In 2.6 this is really easy... */
+static int nokia_probe(struct usb_serial *serial,
+		       const struct usb_device_id *id)
+{
+	int retval = -ENODEV;
+
+	if (serial->interface->altsetting[0].endpoint[0].desc.bEndpointAddress == NOKIA_AT_PORT) {
+		/* the AT port */
+		dev_info(&serial->dev->dev, "Nokia AT Port:\n");
+		retval = 0;
+	} else if (serial->interface->num_altsetting == 2 &&
+		   serial->interface->altsetting[1].endpoint[0].desc.bEndpointAddress == NOKIA_FBUS_PORT) {
+		/* the FBUS port */
+		dev_info(&serial->dev->dev, "Nokia FBUS Port:\n");
+		usb_set_interface(serial->dev, 10, 1);
+		retval = 0;
+	}
+
+	return retval;
+}
+
+static struct usb_driver nokia_driver = {
+	.owner =	THIS_MODULE,
+	.name =		"nokia_dku2",
+	.probe =	usb_serial_probe,
+	.disconnect =	usb_serial_disconnect,
+	.id_table =	id_table,
+};
+
+static struct usb_serial_driver nokia_serial_driver = {
+	.driver = {
+		.owner =	THIS_MODULE,
+		.name = 	"nokia_dku2",
+	},
+	.description =		"Nokia 7600/6230(i)/6170/66x0 DKU2 driver",
+	.id_table =		id_table,
+	.num_interrupt_in =	1,
+	.num_bulk_in =		1,
+	.num_bulk_out =		1,
+	.num_ports =		1,
+	.probe =		nokia_probe,
+};
+
+static int __init nokia_init(void)
+{
+        int retval;
+
+	retval = usb_serial_register(&nokia_serial_driver);
+	if (retval)
+		return retval;
+
+	retval = usb_register(&nokia_driver);
+	if (retval) {
+	        usb_serial_deregister(&nokia_serial_driver);
+		return retval;
+	}
+
+	info(DRIVER_VERSION " " DRIVER_AUTHOR);
+	info(DRIVER_DESC);
+
+	return retval;
+}
+
+static void __exit nokia_exit(void)
+{
+	usb_deregister(&nokia_driver);
+	usb_serial_deregister(&nokia_serial_driver);
+}
+
+module_init(nokia_init);
+module_exit(nokia_exit);
+
+MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE("GPL");