android_kernel_xiaomi_sm8350/drivers/usb/serial/nokia_dku2.c
Greg Kroah-Hartman 50260b69bb [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>
2005-10-28 16:47:53 -07:00

143 lines
3.8 KiB
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");