summaryrefslogtreecommitdiff
path: root/drivers/usb/serial/kobil_sct.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/serial/kobil_sct.c')
-rw-r--r--drivers/usb/serial/kobil_sct.c774
1 files changed, 774 insertions, 0 deletions
diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c
new file mode 100644
index 000000000000..fe4c98a75171
--- /dev/null
+++ b/drivers/usb/serial/kobil_sct.c
@@ -0,0 +1,774 @@
+/*
+ * 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.
+ *
+ * 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.
+ *
+ * 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)
+ *
+ * (21/05/2004) tw
+ * Fix bug with P'n'P readers
+ *
+ * (28/05/2003) tw
+ * Add support for KAAN SIM
+ *
+ * (12/09/2002) tw
+ * Adapted to 2.5.
+ *
+ * (11/08/2002) tw
+ * Initial version.
+ */
+
+
+#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/spinlock.h>
+#include <asm/uaccess.h>
+#include <linux/usb.h>
+#include <linux/ioctl.h>
+#include "usb-serial.h"
+#include "kobil_sct.h"
+
+static int debug;
+
+/* Version Information */
+#define DRIVER_VERSION "21/05/2004"
+#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_startup (struct usb_serial *serial);
+static void kobil_shutdown (struct usb_serial *serial);
+static int kobil_open (struct usb_serial_port *port, struct file *filp);
+static void kobil_close (struct usb_serial_port *port, struct file *filp);
+static int kobil_write (struct usb_serial_port *port,
+ const unsigned char *buf, int count);
+static int kobil_write_room(struct usb_serial_port *port);
+static int kobil_ioctl(struct usb_serial_port *port, struct file *file,
+ unsigned int cmd, unsigned long arg);
+static int kobil_tiocmget(struct usb_serial_port *port, struct file *file);
+static int kobil_tiocmset(struct usb_serial_port *port, struct file *file,
+ unsigned int set, unsigned int clear);
+static void kobil_read_int_callback( struct urb *urb, struct pt_regs *regs );
+static void kobil_write_callback( struct urb *purb, struct pt_regs *regs );
+
+
+static 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_driver kobil_driver = {
+ .owner = THIS_MODULE,
+ .name = "kobil",
+ .probe = usb_serial_probe,
+ .disconnect = usb_serial_disconnect,
+ .id_table = id_table,
+};
+
+
+static struct usb_serial_device_type kobil_device = {
+ .owner = THIS_MODULE,
+ .name = "KOBIL USB smart card terminal",
+ .id_table = id_table,
+ .num_interrupt_in = NUM_DONT_CARE,
+ .num_bulk_in = 0,
+ .num_bulk_out = 0,
+ .num_ports = 1,
+ .attach = kobil_startup,
+ .shutdown = kobil_shutdown,
+ .ioctl = kobil_ioctl,
+ .tiocmget = kobil_tiocmget,
+ .tiocmset = kobil_tiocmset,
+ .open = kobil_open,
+ .close = kobil_close,
+ .write = kobil_write,
+ .write_room = kobil_write_room,
+ .read_int_callback = kobil_read_int_callback,
+};
+
+
+struct kobil_private {
+ int write_int_endpoint_address;
+ int read_int_endpoint_address;
+ unsigned char buf[KOBIL_BUF_LENGTH]; // buffer for the APDU to send
+ int filled; // index of the last char in buf
+ int cur_pos; // index of the next char to send in buf
+ __u16 device_type;
+ int line_state;
+ struct termios internal_termios;
+};
+
+
+static int kobil_startup (struct usb_serial *serial)
+{
+ int i;
+ struct kobil_private *priv;
+ struct usb_device *pdev;
+ struct usb_host_config *actconfig;
+ struct usb_interface *interface;
+ struct usb_host_interface *altsetting;
+ struct usb_host_endpoint *endpoint;
+
+ priv = kmalloc(sizeof(struct kobil_private), GFP_KERNEL);
+ if (!priv){
+ return -ENOMEM;
+ }
+
+ priv->filled = 0;
+ priv->cur_pos = 0;
+ priv->device_type = le16_to_cpu(serial->dev->descriptor.idProduct);
+ priv->line_state = 0;
+
+ switch (priv->device_type){
+ case KOBIL_ADAPTER_B_PRODUCT_ID:
+ printk(KERN_DEBUG "KOBIL B1 PRO / KAAN PRO detected\n");
+ break;
+ case KOBIL_ADAPTER_K_PRODUCT_ID:
+ printk(KERN_DEBUG "KOBIL KAAN Standard Plus / SecOVID Reader Plus detected\n");
+ break;
+ case KOBIL_USBTWIN_PRODUCT_ID:
+ printk(KERN_DEBUG "KOBIL USBTWIN detected\n");
+ break;
+ case KOBIL_KAAN_SIM_PRODUCT_ID:
+ printk(KERN_DEBUG "KOBIL KAAN SIM detected\n");
+ break;
+ }
+ usb_set_serial_port_data(serial->port[0], priv);
+
+ // search for the necessary endpoints
+ pdev = serial->dev;
+ actconfig = pdev->actconfig;
+ interface = actconfig->interface[0];
+ altsetting = interface->cur_altsetting;
+ endpoint = altsetting->endpoint;
+
+ for (i = 0; i < altsetting->desc.bNumEndpoints; i++) {
+ endpoint = &altsetting->endpoint[i];
+ if (((endpoint->desc.bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) &&
+ ((endpoint->desc.bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT)) {
+ dbg("%s Found interrupt out endpoint. Address: %d", __FUNCTION__, endpoint->desc.bEndpointAddress);
+ priv->write_int_endpoint_address = endpoint->desc.bEndpointAddress;
+ }
+ if (((endpoint->desc.bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) &&
+ ((endpoint->desc.bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT)) {
+ dbg("%s Found interrupt in endpoint. Address: %d", __FUNCTION__, endpoint->desc.bEndpointAddress);
+ priv->read_int_endpoint_address = endpoint->desc.bEndpointAddress;
+ }
+ }
+ return 0;
+}
+
+
+static void kobil_shutdown (struct usb_serial *serial)
+{
+ int i;
+ dbg("%s - port %d", __FUNCTION__, serial->port[0]->number);
+
+ for (i=0; i < serial->num_ports; ++i) {
+ while (serial->port[i]->open_count > 0) {
+ kobil_close (serial->port[i], NULL);
+ }
+ kfree(usb_get_serial_port_data(serial->port[i]));
+ usb_set_serial_port_data(serial->port[i], NULL);
+ }
+}
+
+
+static int kobil_open (struct usb_serial_port *port, struct file *filp)
+{
+ int i, result = 0;
+ struct kobil_private *priv;
+ unsigned char *transfer_buffer;
+ int transfer_buffer_length = 8;
+ int write_urb_transfer_buffer_length = 8;
+
+ dbg("%s - port %d", __FUNCTION__, port->number);
+ priv = usb_get_serial_port_data(port);
+ priv->line_state = 0;
+
+ // someone sets the dev to 0 if the close method has been called
+ port->interrupt_in_urb->dev = port->serial->dev;
+
+
+ /* force low_latency on so that our tty_push actually forces
+ * the data through, otherwise it is scheduled, and with high
+ * data rates (like with OHCI) data can get lost.
+ */
+ port->tty->low_latency = 1;
+
+ // without this, every push_tty_char is echoed :-(
+ port->tty->termios->c_lflag = 0;
+ port->tty->termios->c_lflag &= ~(ISIG | ICANON | ECHO | IEXTEN | XCASE);
+ port->tty->termios->c_iflag = IGNBRK | IGNPAR | IXOFF;
+ port->tty->termios->c_oflag &= ~ONLCR; // do NOT translate CR to CR-NL (0x0A -> 0x0A 0x0D)
+
+ // set up internal termios structure
+ priv->internal_termios.c_iflag = port->tty->termios->c_iflag;
+ priv->internal_termios.c_oflag = port->tty->termios->c_oflag;
+ priv->internal_termios.c_cflag = port->tty->termios->c_cflag;
+ priv->internal_termios.c_lflag = port->tty->termios->c_lflag;
+
+ for (i=0; i<NCCS; i++) {
+ priv->internal_termios.c_cc[i] = port->tty->termios->c_cc[i];
+ }
+
+ // allocate memory for transfer buffer
+ transfer_buffer = (unsigned char *) kmalloc(transfer_buffer_length, GFP_KERNEL);
+ if (! transfer_buffer) {
+ return -ENOMEM;
+ } else {
+ memset(transfer_buffer, 0, transfer_buffer_length);
+ }
+
+ // allocate write_urb
+ if (!port->write_urb) {
+ dbg("%s - port %d Allocating port->write_urb", __FUNCTION__, port->number);
+ port->write_urb = usb_alloc_urb(0, GFP_KERNEL);
+ if (!port->write_urb) {
+ dbg("%s - port %d usb_alloc_urb failed", __FUNCTION__, port->number);
+ kfree(transfer_buffer);
+ return -ENOMEM;
+ }
+ }
+
+ // allocate memory for write_urb transfer buffer
+ port->write_urb->transfer_buffer = (unsigned char *) kmalloc(write_urb_transfer_buffer_length, GFP_KERNEL);
+ if (! port->write_urb->transfer_buffer) {
+ kfree(transfer_buffer);
+ usb_free_urb(port->write_urb);
+ port->write_urb = NULL;
+ return -ENOMEM;
+ }
+
+ // get hardware version
+ result = usb_control_msg( port->serial->dev,
+ usb_rcvctrlpipe(port->serial->dev, 0 ),
+ SUSBCRequest_GetMisc,
+ USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_IN,
+ SUSBCR_MSC_GetHWVersion,
+ 0,
+ transfer_buffer,
+ transfer_buffer_length,
+ KOBIL_TIMEOUT
+ );
+ dbg("%s - port %d Send get_HW_version URB returns: %i", __FUNCTION__, port->number, result);
+ dbg("Harware version: %i.%i.%i", transfer_buffer[0], transfer_buffer[1], transfer_buffer[2] );
+
+ // get firmware version
+ result = usb_control_msg( port->serial->dev,
+ usb_rcvctrlpipe(port->serial->dev, 0 ),
+ SUSBCRequest_GetMisc,
+ USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_IN,
+ SUSBCR_MSC_GetFWVersion,
+ 0,
+ transfer_buffer,
+ transfer_buffer_length,
+ KOBIL_TIMEOUT
+ );
+ dbg("%s - port %d Send get_FW_version URB returns: %i", __FUNCTION__, port->number, result);
+ dbg("Firmware version: %i.%i.%i", transfer_buffer[0], transfer_buffer[1], transfer_buffer[2] );
+
+ if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID || priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID) {
+ // Setting Baudrate, Parity and Stopbits
+ result = usb_control_msg( port->serial->dev,
+ usb_rcvctrlpipe(port->serial->dev, 0 ),
+ SUSBCRequest_SetBaudRateParityAndStopBits,
+ USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
+ SUSBCR_SBR_9600 | SUSBCR_SPASB_EvenParity | SUSBCR_SPASB_1StopBit,
+ 0,
+ transfer_buffer,
+ 0,
+ KOBIL_TIMEOUT
+ );
+ dbg("%s - port %d Send set_baudrate URB returns: %i", __FUNCTION__, port->number, result);
+
+ // reset all queues
+ result = usb_control_msg( port->serial->dev,
+ usb_rcvctrlpipe(port->serial->dev, 0 ),
+ SUSBCRequest_Misc,
+ USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
+ SUSBCR_MSC_ResetAllQueues,
+ 0,
+ transfer_buffer,
+ 0,
+ KOBIL_TIMEOUT
+ );
+ dbg("%s - port %d Send reset_all_queues URB returns: %i", __FUNCTION__, port->number, result);
+ }
+ if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID || priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID ||
+ priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) {
+ // start reading (Adapter B 'cause PNP string)
+ result = usb_submit_urb( port->interrupt_in_urb, GFP_ATOMIC );
+ dbg("%s - port %d Send read URB returns: %i", __FUNCTION__, port->number, result);
+ }
+
+ kfree(transfer_buffer);
+ return 0;
+}
+
+
+static void kobil_close (struct usb_serial_port *port, struct file *filp)
+{
+ dbg("%s - port %d", __FUNCTION__, port->number);
+
+ if (port->write_urb) {
+ usb_kill_urb(port->write_urb);
+ usb_free_urb( port->write_urb );
+ port->write_urb = NULL;
+ }
+ if (port->interrupt_in_urb)
+ usb_kill_urb(port->interrupt_in_urb);
+}
+
+
+static void kobil_read_int_callback( struct urb *purb, struct pt_regs *regs)
+{
+ int i;
+ int result;
+ struct usb_serial_port *port = (struct usb_serial_port *) purb->context;
+ struct tty_struct *tty;
+ unsigned char *data = purb->transfer_buffer;
+// char *dbg_data;
+
+ dbg("%s - port %d", __FUNCTION__, port->number);
+
+ if (purb->status) {
+ dbg("%s - port %d Read int status not zero: %d", __FUNCTION__, port->number, purb->status);
+ return;
+ }
+
+ tty = port->tty;
+ if (purb->actual_length) {
+
+ // BEGIN DEBUG
+ /*
+ dbg_data = (unsigned char *) kmalloc((3 * purb->actual_length + 10) * sizeof(char), GFP_KERNEL);
+ if (! dbg_data) {
+ return;
+ }
+ memset(dbg_data, 0, (3 * purb->actual_length + 10));
+ for (i = 0; i < purb->actual_length; i++) {
+ sprintf(dbg_data +3*i, "%02X ", data[i]);
+ }
+ dbg(" <-- %s", dbg_data );
+ kfree(dbg_data);
+ */
+ // END DEBUG
+
+ for (i = 0; i < purb->actual_length; ++i) {
+ // if we insert more than TTY_FLIPBUF_SIZE characters, we drop them.
+ if(tty->flip.count >= TTY_FLIPBUF_SIZE) {
+ tty_flip_buffer_push(tty);
+ }
+ // this doesn't actually push the data through unless tty->low_latency is set
+ tty_insert_flip_char(tty, data[i], 0);
+ }
+ tty_flip_buffer_push(tty);
+ }
+
+ // someone sets the dev to 0 if the close method has been called
+ port->interrupt_in_urb->dev = port->serial->dev;
+
+ result = usb_submit_urb( port->interrupt_in_urb, GFP_ATOMIC );
+ dbg("%s - port %d Send read URB returns: %i", __FUNCTION__, port->number, result);
+}
+
+
+static void kobil_write_callback( struct urb *purb, struct pt_regs *regs )
+{
+}
+
+
+static int kobil_write (struct usb_serial_port *port,
+ const unsigned char *buf, int count)
+{
+ int length = 0;
+ int result = 0;
+ int todo = 0;
+ struct kobil_private * priv;
+
+ if (count == 0) {
+ dbg("%s - port %d write request of 0 bytes", __FUNCTION__, port->number);
+ return 0;
+ }
+
+ priv = usb_get_serial_port_data(port);
+
+ if (count > (KOBIL_BUF_LENGTH - priv->filled)) {
+ dbg("%s - port %d Error: write request bigger than buffer size", __FUNCTION__, port->number);
+ return -ENOMEM;
+ }
+
+ // Copy data to buffer
+ memcpy (priv->buf + priv->filled, buf, count);
+
+ usb_serial_debug_data(debug, &port->dev, __FUNCTION__, count, priv->buf + priv->filled);
+
+ priv->filled = priv->filled + count;
+
+
+ // only send complete block. TWIN, KAAN SIM and adapter K use the same protocol.
+ if ( ((priv->device_type != KOBIL_ADAPTER_B_PRODUCT_ID) && (priv->filled > 2) && (priv->filled >= (priv->buf[1] + 3))) ||
+ ((priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) && (priv->filled > 3) && (priv->filled >= (priv->buf[2] + 4))) ) {
+
+ // stop reading (except TWIN and KAAN SIM)
+ if ( (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) || (priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID) )
+ usb_kill_urb(port->interrupt_in_urb);
+
+ todo = priv->filled - priv->cur_pos;
+
+ while(todo > 0) {
+ // max 8 byte in one urb (endpoint size)
+ length = (todo < 8) ? todo : 8;
+ // copy data to transfer buffer
+ memcpy(port->write_urb->transfer_buffer, priv->buf + priv->cur_pos, length );
+ usb_fill_int_urb( port->write_urb,
+ port->serial->dev,
+ usb_sndintpipe(port->serial->dev, priv->write_int_endpoint_address),
+ port->write_urb->transfer_buffer,
+ length,
+ kobil_write_callback,
+ port,
+ 8
+ );
+
+ priv->cur_pos = priv->cur_pos + length;
+ result = usb_submit_urb( port->write_urb, GFP_NOIO );
+ dbg("%s - port %d Send write URB returns: %i", __FUNCTION__, port->number, result);
+ todo = priv->filled - priv->cur_pos;
+
+ if (todo > 0) {
+ msleep(24);
+ }
+
+ } // end while
+
+ priv->filled = 0;
+ priv->cur_pos = 0;
+
+ // someone sets the dev to 0 if the close method has been called
+ port->interrupt_in_urb->dev = port->serial->dev;
+
+ // start reading (except TWIN and KAAN SIM)
+ if ( (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) || (priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID) ) {
+ // someone sets the dev to 0 if the close method has been called
+ port->interrupt_in_urb->dev = port->serial->dev;
+
+ result = usb_submit_urb( port->interrupt_in_urb, GFP_NOIO );
+ dbg("%s - port %d Send read URB returns: %i", __FUNCTION__, port->number, result);
+ }
+ }
+ return count;
+}
+
+
+static int kobil_write_room (struct usb_serial_port *port)
+{
+ //dbg("%s - port %d", __FUNCTION__, port->number);
+ return 8;
+}
+
+
+static int kobil_tiocmget(struct usb_serial_port *port, struct file *file)
+{
+ struct kobil_private * priv;
+ int result;
+ unsigned char *transfer_buffer;
+ int transfer_buffer_length = 8;
+
+ priv = usb_get_serial_port_data(port);
+ if ((priv->device_type == KOBIL_USBTWIN_PRODUCT_ID) || (priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID)) {
+ // This device doesn't support ioctl calls
+ return -EINVAL;
+ }
+
+ // allocate memory for transfer buffer
+ transfer_buffer = (unsigned char *) kmalloc(transfer_buffer_length, GFP_KERNEL);
+ if (!transfer_buffer) {
+ return -ENOMEM;
+ }
+ memset(transfer_buffer, 0, transfer_buffer_length);
+
+ result = usb_control_msg( port->serial->dev,
+ usb_rcvctrlpipe(port->serial->dev, 0 ),
+ SUSBCRequest_GetStatusLineState,
+ USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_IN,
+ 0,
+ 0,
+ transfer_buffer,
+ transfer_buffer_length,
+ KOBIL_TIMEOUT);
+
+ dbg("%s - port %d Send get_status_line_state URB returns: %i. Statusline: %02x",
+ __FUNCTION__, port->number, result, transfer_buffer[0]);
+
+ if ((transfer_buffer[0] & SUSBCR_GSL_DSR) != 0) {
+ priv->line_state |= TIOCM_DSR;
+ } else {
+ priv->line_state &= ~TIOCM_DSR;
+ }
+
+ kfree(transfer_buffer);
+ return priv->line_state;
+}
+
+static int kobil_tiocmset(struct usb_serial_port *port, struct file *file,
+ unsigned int set, unsigned int clear)
+{
+ struct kobil_private * priv;
+ int result;
+ int dtr = 0;
+ int rts = 0;
+ unsigned char *transfer_buffer;
+ int transfer_buffer_length = 8;
+
+ priv = usb_get_serial_port_data(port);
+ if ((priv->device_type == KOBIL_USBTWIN_PRODUCT_ID) || (priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID)) {
+ // This device doesn't support ioctl calls
+ return -EINVAL;
+ }
+
+ // allocate memory for transfer buffer
+ transfer_buffer = (unsigned char *) kmalloc(transfer_buffer_length, GFP_KERNEL);
+ if (! transfer_buffer) {
+ return -ENOMEM;
+ }
+ memset(transfer_buffer, 0, transfer_buffer_length);
+
+ if (set & TIOCM_RTS)
+ rts = 1;
+ if (set & TIOCM_DTR)
+ dtr = 1;
+ if (clear & TIOCM_RTS)
+ rts = 0;
+ if (clear & TIOCM_DTR)
+ dtr = 0;
+
+ if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) {
+ if (dtr != 0)
+ dbg("%s - port %d Setting DTR", __FUNCTION__, port->number);
+ else
+ dbg("%s - port %d Clearing DTR", __FUNCTION__, port->number);
+ result = usb_control_msg( port->serial->dev,
+ usb_rcvctrlpipe(port->serial->dev, 0 ),
+ SUSBCRequest_SetStatusLinesOrQueues,
+ USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
+ ((dtr != 0) ? SUSBCR_SSL_SETDTR : SUSBCR_SSL_CLRDTR),
+ 0,
+ transfer_buffer,
+ 0,
+ KOBIL_TIMEOUT);
+ } else {
+ if (rts != 0)
+ dbg("%s - port %d Setting RTS", __FUNCTION__, port->number);
+ else
+ dbg("%s - port %d Clearing RTS", __FUNCTION__, port->number);
+ result = usb_control_msg( port->serial->dev,
+ usb_rcvctrlpipe(port->serial->dev, 0 ),
+ SUSBCRequest_SetStatusLinesOrQueues,
+ USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
+ ((rts != 0) ? SUSBCR_SSL_SETRTS : SUSBCR_SSL_CLRRTS),
+ 0,
+ transfer_buffer,
+ 0,
+ KOBIL_TIMEOUT);
+ }
+ dbg("%s - port %d Send set_status_line URB returns: %i", __FUNCTION__, port->number, result);
+ kfree(transfer_buffer);
+ return (result < 0) ? result : 0;
+}
+
+
+static int kobil_ioctl(struct usb_serial_port *port, struct file *file,
+ unsigned int cmd, unsigned long arg)
+{
+ struct kobil_private * priv;
+ int result;
+ unsigned short urb_val = 0;
+ unsigned char *transfer_buffer;
+ int transfer_buffer_length = 8;
+ char *settings;
+ void __user *user_arg = (void __user *)arg;
+
+ priv = usb_get_serial_port_data(port);
+ if ((priv->device_type == KOBIL_USBTWIN_PRODUCT_ID) || (priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID)) {
+ // This device doesn't support ioctl calls
+ return 0;
+ }
+
+ switch (cmd) {
+ case TCGETS: // 0x5401
+ if (!access_ok(VERIFY_WRITE, user_arg, sizeof(struct termios))) {
+ dbg("%s - port %d Error in access_ok", __FUNCTION__, port->number);
+ return -EFAULT;
+ }
+ if (kernel_termios_to_user_termios((struct termios __user *)arg,
+ &priv->internal_termios))
+ return -EFAULT;
+ return 0;
+
+ case TCSETS: // 0x5402
+ if (!(port->tty->termios)) {
+ dbg("%s - port %d Error: port->tty->termios is NULL", __FUNCTION__, port->number);
+ return -ENOTTY;
+ }
+ if (!access_ok(VERIFY_READ, user_arg, sizeof(struct termios))) {
+ dbg("%s - port %d Error in access_ok", __FUNCTION__, port->number);
+ return -EFAULT;
+ }
+ if (user_termios_to_kernel_termios(&priv->internal_termios,
+ (struct termios __user *)arg))
+ return -EFAULT;
+
+ settings = (unsigned char *) kmalloc(50, GFP_KERNEL);
+ if (! settings) {
+ return -ENOBUFS;
+ }
+ memset(settings, 0, 50);
+
+ switch (priv->internal_termios.c_cflag & CBAUD) {
+ case B1200:
+ urb_val = SUSBCR_SBR_1200;
+ strcat(settings, "1200 ");
+ break;
+ case B9600:
+ default:
+ urb_val = SUSBCR_SBR_9600;
+ strcat(settings, "9600 ");
+ break;
+ }
+
+ urb_val |= (priv->internal_termios.c_cflag & CSTOPB) ? SUSBCR_SPASB_2StopBits : SUSBCR_SPASB_1StopBit;
+ strcat(settings, (priv->internal_termios.c_cflag & CSTOPB) ? "2 StopBits " : "1 StopBit ");
+
+ if (priv->internal_termios.c_cflag & PARENB) {
+ if (priv->internal_termios.c_cflag & PARODD) {
+ urb_val |= SUSBCR_SPASB_OddParity;
+ strcat(settings, "Odd Parity");
+ } else {
+ urb_val |= SUSBCR_SPASB_EvenParity;
+ strcat(settings, "Even Parity");
+ }
+ } else {
+ urb_val |= SUSBCR_SPASB_NoParity;
+ strcat(settings, "No Parity");
+ }
+ dbg("%s - port %d setting port to: %s", __FUNCTION__, port->number, settings );
+
+ result = usb_control_msg( port->serial->dev,
+ usb_rcvctrlpipe(port->serial->dev, 0 ),
+ SUSBCRequest_SetBaudRateParityAndStopBits,
+ USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
+ urb_val,
+ 0,
+ settings,
+ 0,
+ KOBIL_TIMEOUT
+ );
+
+ dbg("%s - port %d Send set_baudrate URB returns: %i", __FUNCTION__, port->number, result);
+ kfree(settings);
+ return 0;
+
+ case TCFLSH: // 0x540B
+ transfer_buffer = (unsigned char *) kmalloc(transfer_buffer_length, GFP_KERNEL);
+ if (! transfer_buffer) {
+ return -ENOBUFS;
+ }
+
+ result = usb_control_msg( port->serial->dev,
+ usb_rcvctrlpipe(port->serial->dev, 0 ),
+ SUSBCRequest_Misc,
+ USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
+ SUSBCR_MSC_ResetAllQueues,
+ 0,
+ NULL,//transfer_buffer,
+ 0,
+ KOBIL_TIMEOUT
+ );
+
+ dbg("%s - port %d Send reset_all_queues (FLUSH) URB returns: %i", __FUNCTION__, port->number, result);
+
+ kfree(transfer_buffer);
+ return ((result < 0) ? -EFAULT : 0);
+
+ }
+ return -ENOIOCTLCMD;
+}
+
+
+static int __init kobil_init (void)
+{
+ int retval;
+ retval = usb_serial_register(&kobil_device);
+ if (retval)
+ goto failed_usb_serial_register;
+ retval = usb_register(&kobil_driver);
+ if (retval)
+ goto failed_usb_register;
+
+ info(DRIVER_VERSION " " DRIVER_AUTHOR);
+ info(DRIVER_DESC);
+
+ return 0;
+failed_usb_register:
+ usb_serial_deregister(&kobil_device);
+failed_usb_serial_register:
+ return retval;
+}
+
+
+static void __exit kobil_exit (void)
+{
+ usb_deregister (&kobil_driver);
+ usb_serial_deregister (&kobil_device);
+}
+
+module_init(kobil_init);
+module_exit(kobil_exit);
+
+MODULE_AUTHOR( DRIVER_AUTHOR );
+MODULE_DESCRIPTION( DRIVER_DESC );
+MODULE_LICENSE( "GPL" );
+
+module_param(debug, bool, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(debug, "Debug enabled or not");