linux-imx

// SPDX-License-Identifier: GPL-2.0+

/*

 *  KOBIL USB Smart Card Terminal Driver

 *

 *  Copyright (C) 2002  KOBIL Systems GmbH

 *  Author: Thomas Wahrenbruch

 *

 *  Contact: linuxusb@kobil.de

 *

 *  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.

 *

 *  Thanks to Greg Kroah-Hartman (greg@kroah.com) for his help and

 *  patience.

 *

 * Supported readers: USB TWIN, KAAN Standard Plus and SecOVID Reader Plus

 * (Adapter K), B1 Professional and KAAN Professional (Adapter B)

 */

​

​

#include <linux/kernel.h>

#include <linux/errno.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/spinlock.h>

#include <linux/uaccess.h>

#include <linux/usb.h>

#include <linux/usb/serial.h>

#include <linux/ioctl.h>

#include "kobil_sct.h"

​

#define DRIVER_AUTHOR "KOBIL Systems GmbH - http://www.kobil.com"

#define DRIVER_DESC "KOBIL USB Smart Card Terminal Driver (experimental)"

​

#define KOBIL_VENDOR_ID         0x0D46

#define KOBIL_ADAPTER_B_PRODUCT_ID  0x2011

#define KOBIL_ADAPTER_K_PRODUCT_ID  0x2012

#define KOBIL_USBTWIN_PRODUCT_ID    0x0078

#define KOBIL_KAAN_SIM_PRODUCT_ID       0x0081

​

#define KOBIL_TIMEOUT       500

#define KOBIL_BUF_LENGTH    300

​

​

/* Function prototypes */

static int kobil_port_probe(struct usb_serial_port *probe);

static int kobil_port_remove(struct usb_serial_port *probe);

static int  kobil_open(struct tty_struct *tty, struct usb_serial_port *port);

static void kobil_close(struct usb_serial_port *port);

static int  kobil_write(struct tty_struct *tty, struct usb_serial_port *port,

             const unsigned char *buf, int count);

static int  kobil_write_room(struct tty_struct *tty);

static int  kobil_ioctl(struct tty_struct *tty,

            unsigned int cmd, unsigned long arg);

static int  kobil_tiocmget(struct tty_struct *tty);

static int  kobil_tiocmset(struct tty_struct *tty,

               unsigned int set, unsigned int clear);

static void kobil_read_int_callback(struct urb *urb);

static void kobil_write_int_callback(struct urb *urb);

static void kobil_set_termios(struct tty_struct *tty,

            struct usb_serial_port *port, struct ktermios *old);

static void kobil_init_termios(struct tty_struct *tty);

​

static const struct usb_device_id id_table[] = {

    { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_ADAPTER_B_PRODUCT_ID) },

    { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_ADAPTER_K_PRODUCT_ID) },

    { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_USBTWIN_PRODUCT_ID) },

    { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_KAAN_SIM_PRODUCT_ID) },

    { }         /* Terminating entry */

};

MODULE_DEVICE_TABLE(usb, id_table);

​

static struct usb_serial_driver kobil_device = {

    .driver = {

        .owner =    THIS_MODULE,

        .name =     "kobil",

    },

    .description =      "KOBIL USB smart card terminal",

    .id_table =     id_table,

    .num_ports =        1,

    .num_interrupt_out =    1,

    .port_probe =       kobil_port_probe,

    .port_remove =      kobil_port_remove,

    .ioctl =        kobil_ioctl,

    .set_termios =      kobil_set_termios,

    .init_termios =     kobil_init_termios,

    .tiocmget =     kobil_tiocmget,

    .tiocmset =     kobil_tiocmset,