[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>

3 files changed, 152 insertions, 0 deletions

diff --git a/drivers/usb/serial/Kconfig b/drivers/usb/serial/Kconfig
index 9438909e87a5..7b5e8e4ee2bb 100644
--- a/drivers/usb/serial/Kconfig
+++ b/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
diff --git a/drivers/usb/serial/Makefile b/drivers/usb/serial/Makefile
index 6c7cdcc99a9e..55fd461793b7 100644
--- a/drivers/usb/serial/Makefile
+++ b/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
diff --git a/drivers/usb/serial/nokia_dku2.c b/drivers/usb/serial/nokia_dku2.c
new file mode 100644
index 000000000000..fad01bef3a64
--- /dev/null
+++ b/drivers/usb/serial/nokia_dku2.c
@@ -0,0 +1,142 @@
+/*
+ *  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");