blob: 45ea694b3ae6a4900d0a04810ef9a8b149ad7c32 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * KOBIL USB Smart Card Terminal Driver
3 *
Alan Coxdee0a7c2008-07-22 11:14:10 +01004 * Copyright (C) 2002 KOBIL Systems GmbH
Linus Torvalds1da177e2005-04-16 15:20:36 -07005 * Author: Thomas Wahrenbruch
6 *
7 * Contact: linuxusb@kobil.de
8 *
9 * This program is largely derived from work by the linux-usb group
10 * and associated source files. Please see the usb/serial files for
11 * individual credits and copyrights.
12 *
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
17 *
18 * Thanks to Greg Kroah-Hartman (greg@kroah.com) for his help and
19 * patience.
20 *
21 * Supported readers: USB TWIN, KAAN Standard Plus and SecOVID Reader Plus
22 * (Adapter K), B1 Professional and KAAN Professional (Adapter B)
Alan Coxdee0a7c2008-07-22 11:14:10 +010023 *
Linus Torvalds1da177e2005-04-16 15:20:36 -070024 * (21/05/2004) tw
25 * Fix bug with P'n'P readers
26 *
27 * (28/05/2003) tw
28 * Add support for KAAN SIM
29 *
30 * (12/09/2002) tw
31 * Adapted to 2.5.
32 *
33 * (11/08/2002) tw
34 * Initial version.
35 */
36
37
Linus Torvalds1da177e2005-04-16 15:20:36 -070038#include <linux/kernel.h>
39#include <linux/errno.h>
40#include <linux/init.h>
41#include <linux/slab.h>
42#include <linux/tty.h>
43#include <linux/tty_driver.h>
44#include <linux/tty_flip.h>
45#include <linux/module.h>
46#include <linux/spinlock.h>
Alan Coxdee0a7c2008-07-22 11:14:10 +010047#include <linux/uaccess.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070048#include <linux/usb.h>
Greg Kroah-Hartmana9698882006-07-11 21:22:58 -070049#include <linux/usb/serial.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070050#include <linux/ioctl.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070051#include "kobil_sct.h"
52
53static int debug;
54
55/* Version Information */
56#define DRIVER_VERSION "21/05/2004"
57#define DRIVER_AUTHOR "KOBIL Systems GmbH - http://www.kobil.com"
58#define DRIVER_DESC "KOBIL USB Smart Card Terminal Driver (experimental)"
59
60#define KOBIL_VENDOR_ID 0x0D46
61#define KOBIL_ADAPTER_B_PRODUCT_ID 0x2011
62#define KOBIL_ADAPTER_K_PRODUCT_ID 0x2012
63#define KOBIL_USBTWIN_PRODUCT_ID 0x0078
64#define KOBIL_KAAN_SIM_PRODUCT_ID 0x0081
65
66#define KOBIL_TIMEOUT 500
67#define KOBIL_BUF_LENGTH 300
68
69
70/* Function prototypes */
Alan Coxdee0a7c2008-07-22 11:14:10 +010071static int kobil_startup(struct usb_serial *serial);
Alan Sternf9c99bb2009-06-02 11:53:55 -040072static void kobil_release(struct usb_serial *serial);
Alan Coxa509a7e2009-09-19 13:13:26 -070073static int kobil_open(struct tty_struct *tty, struct usb_serial_port *port);
Alan Cox335f8512009-06-11 12:26:29 +010074static void kobil_close(struct usb_serial_port *port);
Alan Coxdee0a7c2008-07-22 11:14:10 +010075static int kobil_write(struct tty_struct *tty, struct usb_serial_port *port,
Linus Torvalds1da177e2005-04-16 15:20:36 -070076 const unsigned char *buf, int count);
Alan Cox95da3102008-07-22 11:09:07 +010077static int kobil_write_room(struct tty_struct *tty);
78static int kobil_ioctl(struct tty_struct *tty, struct file *file,
Linus Torvalds1da177e2005-04-16 15:20:36 -070079 unsigned int cmd, unsigned long arg);
Alan Cox95da3102008-07-22 11:09:07 +010080static int kobil_tiocmget(struct tty_struct *tty, struct file *file);
81static int kobil_tiocmset(struct tty_struct *tty, struct file *file,
Linus Torvalds1da177e2005-04-16 15:20:36 -070082 unsigned int set, unsigned int clear);
Alan Coxdee0a7c2008-07-22 11:14:10 +010083static void kobil_read_int_callback(struct urb *urb);
84static void kobil_write_callback(struct urb *purb);
85static void kobil_set_termios(struct tty_struct *tty,
Alan Cox95da3102008-07-22 11:09:07 +010086 struct usb_serial_port *port, struct ktermios *old);
Alan Coxfe1ae7f2009-09-19 13:13:33 -070087static void kobil_init_termios(struct tty_struct *tty);
Linus Torvalds1da177e2005-04-16 15:20:36 -070088
89static struct usb_device_id id_table [] = {
90 { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_ADAPTER_B_PRODUCT_ID) },
91 { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_ADAPTER_K_PRODUCT_ID) },
92 { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_USBTWIN_PRODUCT_ID) },
93 { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_KAAN_SIM_PRODUCT_ID) },
94 { } /* Terminating entry */
95};
96
97
Alan Coxdee0a7c2008-07-22 11:14:10 +010098MODULE_DEVICE_TABLE(usb, id_table);
Linus Torvalds1da177e2005-04-16 15:20:36 -070099
100static struct usb_driver kobil_driver = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700101 .name = "kobil",
102 .probe = usb_serial_probe,
103 .disconnect = usb_serial_disconnect,
104 .id_table = id_table,
Greg Kroah-Hartmanba9dc652005-11-16 13:41:28 -0800105 .no_dynamic_id = 1,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700106};
107
108
Greg Kroah-Hartmanea653702005-06-20 21:15:16 -0700109static struct usb_serial_driver kobil_device = {
Greg Kroah-Hartman18fcac32005-06-20 21:15:16 -0700110 .driver = {
111 .owner = THIS_MODULE,
Greg Kroah-Hartman269bda12005-06-20 21:15:16 -0700112 .name = "kobil",
Greg Kroah-Hartman18fcac32005-06-20 21:15:16 -0700113 },
Greg Kroah-Hartman269bda12005-06-20 21:15:16 -0700114 .description = "KOBIL USB smart card terminal",
Johannes Hölzld9b1b782006-12-17 21:50:24 +0100115 .usb_driver = &kobil_driver,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700116 .id_table = id_table,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700117 .num_ports = 1,
118 .attach = kobil_startup,
Alan Sternf9c99bb2009-06-02 11:53:55 -0400119 .release = kobil_release,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700120 .ioctl = kobil_ioctl,
Alan Cox94d0f7e2007-08-22 23:09:16 +0100121 .set_termios = kobil_set_termios,
Alan Coxfe1ae7f2009-09-19 13:13:33 -0700122 .init_termios = kobil_init_termios,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700123 .tiocmget = kobil_tiocmget,
124 .tiocmset = kobil_tiocmset,
125 .open = kobil_open,
126 .close = kobil_close,
127 .write = kobil_write,
128 .write_room = kobil_write_room,
129 .read_int_callback = kobil_read_int_callback,
130};
131
132
133struct kobil_private {
134 int write_int_endpoint_address;
135 int read_int_endpoint_address;
Alan Coxdee0a7c2008-07-22 11:14:10 +0100136 unsigned char buf[KOBIL_BUF_LENGTH]; /* buffer for the APDU to send */
137 int filled; /* index of the last char in buf */
138 int cur_pos; /* index of the next char to send in buf */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700139 __u16 device_type;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700140};
141
142
Alan Coxdee0a7c2008-07-22 11:14:10 +0100143static int kobil_startup(struct usb_serial *serial)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700144{
145 int i;
146 struct kobil_private *priv;
147 struct usb_device *pdev;
148 struct usb_host_config *actconfig;
149 struct usb_interface *interface;
150 struct usb_host_interface *altsetting;
151 struct usb_host_endpoint *endpoint;
152
153 priv = kmalloc(sizeof(struct kobil_private), GFP_KERNEL);
Alan Coxdee0a7c2008-07-22 11:14:10 +0100154 if (!priv)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700155 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700156
157 priv->filled = 0;
158 priv->cur_pos = 0;
159 priv->device_type = le16_to_cpu(serial->dev->descriptor.idProduct);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700160
Alan Coxdee0a7c2008-07-22 11:14:10 +0100161 switch (priv->device_type) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700162 case KOBIL_ADAPTER_B_PRODUCT_ID:
163 printk(KERN_DEBUG "KOBIL B1 PRO / KAAN PRO detected\n");
164 break;
165 case KOBIL_ADAPTER_K_PRODUCT_ID:
Alan Coxdee0a7c2008-07-22 11:14:10 +0100166 printk(KERN_DEBUG
167 "KOBIL KAAN Standard Plus / SecOVID Reader Plus detected\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700168 break;
169 case KOBIL_USBTWIN_PRODUCT_ID:
170 printk(KERN_DEBUG "KOBIL USBTWIN detected\n");
171 break;
172 case KOBIL_KAAN_SIM_PRODUCT_ID:
173 printk(KERN_DEBUG "KOBIL KAAN SIM detected\n");
174 break;
175 }
176 usb_set_serial_port_data(serial->port[0], priv);
177
Alan Coxdee0a7c2008-07-22 11:14:10 +0100178 /* search for the necessary endpoints */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700179 pdev = serial->dev;
Alan Coxdee0a7c2008-07-22 11:14:10 +0100180 actconfig = pdev->actconfig;
181 interface = actconfig->interface[0];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700182 altsetting = interface->cur_altsetting;
Alan Coxdee0a7c2008-07-22 11:14:10 +0100183 endpoint = altsetting->endpoint;
184
185 for (i = 0; i < altsetting->desc.bNumEndpoints; i++) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700186 endpoint = &altsetting->endpoint[i];
Luiz Fernando N. Capitulino4f1f1dd2006-10-26 13:02:53 -0300187 if (usb_endpoint_is_int_out(&endpoint->desc)) {
Alan Coxdee0a7c2008-07-22 11:14:10 +0100188 dbg("%s Found interrupt out endpoint. Address: %d",
189 __func__, endpoint->desc.bEndpointAddress);
190 priv->write_int_endpoint_address =
191 endpoint->desc.bEndpointAddress;
192 }
Luiz Fernando N. Capitulino4f1f1dd2006-10-26 13:02:53 -0300193 if (usb_endpoint_is_int_in(&endpoint->desc)) {
Alan Coxdee0a7c2008-07-22 11:14:10 +0100194 dbg("%s Found interrupt in endpoint. Address: %d",
195 __func__, endpoint->desc.bEndpointAddress);
196 priv->read_int_endpoint_address =
197 endpoint->desc.bEndpointAddress;
198 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700199 }
200 return 0;
201}
202
203
Alan Sternf9c99bb2009-06-02 11:53:55 -0400204static void kobil_release(struct usb_serial *serial)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700205{
206 int i;
Harvey Harrison441b62c2008-03-03 16:08:34 -0800207 dbg("%s - port %d", __func__, serial->port[0]->number);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700208
Alan Sternf9c99bb2009-06-02 11:53:55 -0400209 for (i = 0; i < serial->num_ports; ++i)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700210 kfree(usb_get_serial_port_data(serial->port[i]));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700211}
212
Alan Coxfe1ae7f2009-09-19 13:13:33 -0700213static void kobil_init_termios(struct tty_struct *tty)
214{
215 /* Default to echo off and other sane device settings */
216 tty->termios->c_lflag = 0;
217 tty->termios->c_lflag &= ~(ISIG | ICANON | ECHO | IEXTEN | XCASE);
218 tty->termios->c_iflag = IGNBRK | IGNPAR | IXOFF;
219 /* do NOT translate CR to CR-NL (0x0A -> 0x0A 0x0D) */
220 tty->termios->c_oflag &= ~ONLCR;
221}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700222
Alan Coxa509a7e2009-09-19 13:13:26 -0700223static int kobil_open(struct tty_struct *tty, struct usb_serial_port *port)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700224{
Alan Cox94d0f7e2007-08-22 23:09:16 +0100225 int result = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700226 struct kobil_private *priv;
227 unsigned char *transfer_buffer;
228 int transfer_buffer_length = 8;
229 int write_urb_transfer_buffer_length = 8;
230
Harvey Harrison441b62c2008-03-03 16:08:34 -0800231 dbg("%s - port %d", __func__, port->number);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700232 priv = usb_get_serial_port_data(port);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700233
Alan Coxdee0a7c2008-07-22 11:14:10 +0100234 /* someone sets the dev to 0 if the close method has been called */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700235 port->interrupt_in_urb->dev = port->serial->dev;
236
Alan Coxdee0a7c2008-07-22 11:14:10 +0100237 /* allocate memory for transfer buffer */
238 transfer_buffer = kzalloc(transfer_buffer_length, GFP_KERNEL);
239 if (!transfer_buffer)
240 return -ENOMEM;
241
242 /* allocate write_urb */
243 if (!port->write_urb) {
244 dbg("%s - port %d Allocating port->write_urb",
245 __func__, port->number);
246 port->write_urb = usb_alloc_urb(0, GFP_KERNEL);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700247 if (!port->write_urb) {
Alan Coxdee0a7c2008-07-22 11:14:10 +0100248 dbg("%s - port %d usb_alloc_urb failed",
249 __func__, port->number);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700250 kfree(transfer_buffer);
251 return -ENOMEM;
252 }
253 }
254
Alan Coxdee0a7c2008-07-22 11:14:10 +0100255 /* allocate memory for write_urb transfer buffer */
256 port->write_urb->transfer_buffer =
257 kmalloc(write_urb_transfer_buffer_length, GFP_KERNEL);
258 if (!port->write_urb->transfer_buffer) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700259 kfree(transfer_buffer);
260 usb_free_urb(port->write_urb);
261 port->write_urb = NULL;
262 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700263 }
Alan Coxdee0a7c2008-07-22 11:14:10 +0100264
265 /* get hardware version */
266 result = usb_control_msg(port->serial->dev,
267 usb_rcvctrlpipe(port->serial->dev, 0),
268 SUSBCRequest_GetMisc,
269 USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_IN,
270 SUSBCR_MSC_GetHWVersion,
271 0,
272 transfer_buffer,
273 transfer_buffer_length,
274 KOBIL_TIMEOUT
275 );
276 dbg("%s - port %d Send get_HW_version URB returns: %i",
277 __func__, port->number, result);
278 dbg("Harware version: %i.%i.%i",
279 transfer_buffer[0], transfer_buffer[1], transfer_buffer[2]);
280
281 /* get firmware version */
282 result = usb_control_msg(port->serial->dev,
283 usb_rcvctrlpipe(port->serial->dev, 0),
284 SUSBCRequest_GetMisc,
285 USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_IN,
286 SUSBCR_MSC_GetFWVersion,
287 0,
288 transfer_buffer,
289 transfer_buffer_length,
290 KOBIL_TIMEOUT
291 );
292 dbg("%s - port %d Send get_FW_version URB returns: %i",
293 __func__, port->number, result);
294 dbg("Firmware version: %i.%i.%i",
295 transfer_buffer[0], transfer_buffer[1], transfer_buffer[2]);
296
297 if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID ||
298 priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID) {
299 /* Setting Baudrate, Parity and Stopbits */
300 result = usb_control_msg(port->serial->dev,
301 usb_rcvctrlpipe(port->serial->dev, 0),
302 SUSBCRequest_SetBaudRateParityAndStopBits,
303 USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
304 SUSBCR_SBR_9600 | SUSBCR_SPASB_EvenParity |
305 SUSBCR_SPASB_1StopBit,
306 0,
307 transfer_buffer,
308 0,
309 KOBIL_TIMEOUT
310 );
311 dbg("%s - port %d Send set_baudrate URB returns: %i",
312 __func__, port->number, result);
313
314 /* reset all queues */
315 result = usb_control_msg(port->serial->dev,
316 usb_rcvctrlpipe(port->serial->dev, 0),
317 SUSBCRequest_Misc,
318 USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
319 SUSBCR_MSC_ResetAllQueues,
320 0,
321 transfer_buffer,
322 0,
323 KOBIL_TIMEOUT
324 );
325 dbg("%s - port %d Send reset_all_queues URB returns: %i",
326 __func__, port->number, result);
327 }
328 if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID ||
329 priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID ||
Linus Torvalds1da177e2005-04-16 15:20:36 -0700330 priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) {
Alan Coxdee0a7c2008-07-22 11:14:10 +0100331 /* start reading (Adapter B 'cause PNP string) */
332 result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC);
333 dbg("%s - port %d Send read URB returns: %i",
334 __func__, port->number, result);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700335 }
336
337 kfree(transfer_buffer);
338 return 0;
339}
340
341
Alan Cox335f8512009-06-11 12:26:29 +0100342static void kobil_close(struct usb_serial_port *port)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700343{
Harvey Harrison441b62c2008-03-03 16:08:34 -0800344 dbg("%s - port %d", __func__, port->number);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700345
Alan Cox335f8512009-06-11 12:26:29 +0100346 /* FIXME: Add rts/dtr methods */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700347 if (port->write_urb) {
348 usb_kill_urb(port->write_urb);
Alan Coxdee0a7c2008-07-22 11:14:10 +0100349 usb_free_urb(port->write_urb);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700350 port->write_urb = NULL;
351 }
Mariusz Kozlowski5505c222006-11-08 15:36:38 +0100352 usb_kill_urb(port->interrupt_in_urb);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700353}
354
355
Greg Kroah-Hartman6fcdcf02007-06-15 15:44:13 -0700356static void kobil_read_int_callback(struct urb *urb)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700357{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700358 int result;
Greg Kroah-Hartman6fcdcf02007-06-15 15:44:13 -0700359 struct usb_serial_port *port = urb->context;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700360 struct tty_struct *tty;
Greg Kroah-Hartman6fcdcf02007-06-15 15:44:13 -0700361 unsigned char *data = urb->transfer_buffer;
362 int status = urb->status;
Alan Coxdee0a7c2008-07-22 11:14:10 +0100363/* char *dbg_data; */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700364
Harvey Harrison441b62c2008-03-03 16:08:34 -0800365 dbg("%s - port %d", __func__, port->number);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700366
Greg Kroah-Hartman6fcdcf02007-06-15 15:44:13 -0700367 if (status) {
368 dbg("%s - port %d Read int status not zero: %d",
Harvey Harrison441b62c2008-03-03 16:08:34 -0800369 __func__, port->number, status);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700370 return;
371 }
Greg Kroah-Hartman6fcdcf02007-06-15 15:44:13 -0700372
Alan Cox4a90f092008-10-13 10:39:46 +0100373 tty = tty_port_tty_get(&port->port);
Greg Kroah-Hartman6fcdcf02007-06-15 15:44:13 -0700374 if (urb->actual_length) {
375
Alan Coxdee0a7c2008-07-22 11:14:10 +0100376 /* BEGIN DEBUG */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700377 /*
Alan Coxdee0a7c2008-07-22 11:14:10 +0100378 dbg_data = kzalloc((3 * purb->actual_length + 10)
379 * sizeof(char), GFP_KERNEL);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700380 if (! dbg_data) {
Alan Coxdee0a7c2008-07-22 11:14:10 +0100381 return;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700382 }
Alan Coxdee0a7c2008-07-22 11:14:10 +0100383 for (i = 0; i < purb->actual_length; i++) {
384 sprintf(dbg_data +3*i, "%02X ", data[i]);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700385 }
Alan Coxdee0a7c2008-07-22 11:14:10 +0100386 dbg(" <-- %s", dbg_data);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700387 kfree(dbg_data);
388 */
Alan Coxdee0a7c2008-07-22 11:14:10 +0100389 /* END DEBUG */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700390
Greg Kroah-Hartman6fcdcf02007-06-15 15:44:13 -0700391 tty_buffer_request_room(tty, urb->actual_length);
392 tty_insert_flip_string(tty, data, urb->actual_length);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700393 tty_flip_buffer_push(tty);
394 }
Alan Cox4a90f092008-10-13 10:39:46 +0100395 tty_kref_put(tty);
Alan Coxdee0a7c2008-07-22 11:14:10 +0100396 /* someone sets the dev to 0 if the close method has been called */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700397 port->interrupt_in_urb->dev = port->serial->dev;
398
Greg Kroah-Hartman6fcdcf02007-06-15 15:44:13 -0700399 result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC);
Alan Coxdee0a7c2008-07-22 11:14:10 +0100400 dbg("%s - port %d Send read URB returns: %i",
401 __func__, port->number, result);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700402}
403
404
Alan Coxdee0a7c2008-07-22 11:14:10 +0100405static void kobil_write_callback(struct urb *purb)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700406{
407}
408
409
Alan Coxdee0a7c2008-07-22 11:14:10 +0100410static int kobil_write(struct tty_struct *tty, struct usb_serial_port *port,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700411 const unsigned char *buf, int count)
412{
413 int length = 0;
414 int result = 0;
415 int todo = 0;
Alan Coxdee0a7c2008-07-22 11:14:10 +0100416 struct kobil_private *priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700417
418 if (count == 0) {
Alan Coxdee0a7c2008-07-22 11:14:10 +0100419 dbg("%s - port %d write request of 0 bytes",
420 __func__, port->number);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700421 return 0;
422 }
423
424 priv = usb_get_serial_port_data(port);
425
426 if (count > (KOBIL_BUF_LENGTH - priv->filled)) {
Harvey Harrison441b62c2008-03-03 16:08:34 -0800427 dbg("%s - port %d Error: write request bigger than buffer size", __func__, port->number);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700428 return -ENOMEM;
429 }
430
Alan Coxdee0a7c2008-07-22 11:14:10 +0100431 /* Copy data to buffer */
432 memcpy(priv->buf + priv->filled, buf, count);
433 usb_serial_debug_data(debug, &port->dev, __func__, count,
434 priv->buf + priv->filled);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700435 priv->filled = priv->filled + count;
436
Alan Coxdee0a7c2008-07-22 11:14:10 +0100437 /* only send complete block. TWIN, KAAN SIM and adapter K
438 use the same protocol. */
439 if (((priv->device_type != KOBIL_ADAPTER_B_PRODUCT_ID) && (priv->filled > 2) && (priv->filled >= (priv->buf[1] + 3))) ||
440 ((priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) && (priv->filled > 3) && (priv->filled >= (priv->buf[2] + 4)))) {
441 /* stop reading (except TWIN and KAAN SIM) */
442 if ((priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID)
443 || (priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700444 usb_kill_urb(port->interrupt_in_urb);
445
446 todo = priv->filled - priv->cur_pos;
447
Alan Coxdee0a7c2008-07-22 11:14:10 +0100448 while (todo > 0) {
449 /* max 8 byte in one urb (endpoint size) */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700450 length = (todo < 8) ? todo : 8;
Alan Coxdee0a7c2008-07-22 11:14:10 +0100451 /* copy data to transfer buffer */
452 memcpy(port->write_urb->transfer_buffer,
453 priv->buf + priv->cur_pos, length);
454 usb_fill_int_urb(port->write_urb,
455 port->serial->dev,
456 usb_sndintpipe(port->serial->dev,
457 priv->write_int_endpoint_address),
458 port->write_urb->transfer_buffer,
459 length,
460 kobil_write_callback,
461 port,
462 8
463 );
Linus Torvalds1da177e2005-04-16 15:20:36 -0700464
465 priv->cur_pos = priv->cur_pos + length;
Alan Coxdee0a7c2008-07-22 11:14:10 +0100466 result = usb_submit_urb(port->write_urb, GFP_NOIO);
467 dbg("%s - port %d Send write URB returns: %i",
468 __func__, port->number, result);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700469 todo = priv->filled - priv->cur_pos;
470
Alan Coxdee0a7c2008-07-22 11:14:10 +0100471 if (todo > 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700472 msleep(24);
Alan Coxdee0a7c2008-07-22 11:14:10 +0100473 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700474
Linus Torvalds1da177e2005-04-16 15:20:36 -0700475 priv->filled = 0;
476 priv->cur_pos = 0;
477
Alan Coxdee0a7c2008-07-22 11:14:10 +0100478 /* someone sets the dev to 0 if the close method
479 has been called */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700480 port->interrupt_in_urb->dev = port->serial->dev;
Alan Coxdee0a7c2008-07-22 11:14:10 +0100481
482 /* start reading (except TWIN and KAAN SIM) */
483 if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID ||
484 priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID) {
485 /* someone sets the dev to 0 if the close method has
486 been called */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700487 port->interrupt_in_urb->dev = port->serial->dev;
Alan Coxdee0a7c2008-07-22 11:14:10 +0100488
489 result = usb_submit_urb(port->interrupt_in_urb,
490 GFP_NOIO);
491 dbg("%s - port %d Send read URB returns: %i",
492 __func__, port->number, result);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700493 }
494 }
495 return count;
496}
497
498
Alan Coxdee0a7c2008-07-22 11:14:10 +0100499static int kobil_write_room(struct tty_struct *tty)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700500{
Alan Coxdee0a7c2008-07-22 11:14:10 +0100501 /* dbg("%s - port %d", __func__, port->number); */
Alan Cox95da3102008-07-22 11:09:07 +0100502 /* FIXME */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700503 return 8;
504}
505
506
Alan Cox95da3102008-07-22 11:09:07 +0100507static int kobil_tiocmget(struct tty_struct *tty, struct file *file)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700508{
Alan Cox95da3102008-07-22 11:09:07 +0100509 struct usb_serial_port *port = tty->driver_data;
Alan Coxdee0a7c2008-07-22 11:14:10 +0100510 struct kobil_private *priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700511 int result;
512 unsigned char *transfer_buffer;
513 int transfer_buffer_length = 8;
514
515 priv = usb_get_serial_port_data(port);
Alan Coxdee0a7c2008-07-22 11:14:10 +0100516 if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID
517 || priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) {
518 /* This device doesn't support ioctl calls */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700519 return -EINVAL;
520 }
521
Alan Coxdee0a7c2008-07-22 11:14:10 +0100522 /* allocate memory for transfer buffer */
Eric Sesterhenn80b6ca42006-02-27 21:29:43 +0100523 transfer_buffer = kzalloc(transfer_buffer_length, GFP_KERNEL);
Alan Coxdee0a7c2008-07-22 11:14:10 +0100524 if (!transfer_buffer)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700525 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700526
Alan Coxdee0a7c2008-07-22 11:14:10 +0100527 result = usb_control_msg(port->serial->dev,
528 usb_rcvctrlpipe(port->serial->dev, 0),
529 SUSBCRequest_GetStatusLineState,
530 USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_IN,
531 0,
532 0,
533 transfer_buffer,
534 transfer_buffer_length,
535 KOBIL_TIMEOUT);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700536
Alan Coxdee0a7c2008-07-22 11:14:10 +0100537 dbg("%s - port %d Send get_status_line_state URB returns: %i. Statusline: %02x",
Harvey Harrison441b62c2008-03-03 16:08:34 -0800538 __func__, port->number, result, transfer_buffer[0]);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700539
Alan Coxa40d8542008-02-20 21:40:34 +0000540 result = 0;
541 if ((transfer_buffer[0] & SUSBCR_GSL_DSR) != 0)
542 result = TIOCM_DSR;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700543 kfree(transfer_buffer);
Alan Coxa40d8542008-02-20 21:40:34 +0000544 return result;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700545}
546
Alan Cox95da3102008-07-22 11:09:07 +0100547static int kobil_tiocmset(struct tty_struct *tty, struct file *file,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700548 unsigned int set, unsigned int clear)
549{
Alan Cox95da3102008-07-22 11:09:07 +0100550 struct usb_serial_port *port = tty->driver_data;
Alan Coxdee0a7c2008-07-22 11:14:10 +0100551 struct kobil_private *priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700552 int result;
553 int dtr = 0;
554 int rts = 0;
555 unsigned char *transfer_buffer;
556 int transfer_buffer_length = 8;
557
Alan Coxa40d8542008-02-20 21:40:34 +0000558 /* FIXME: locking ? */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700559 priv = usb_get_serial_port_data(port);
Alan Coxdee0a7c2008-07-22 11:14:10 +0100560 if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID
561 || priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) {
562 /* This device doesn't support ioctl calls */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700563 return -EINVAL;
564 }
565
Alan Coxdee0a7c2008-07-22 11:14:10 +0100566 /* allocate memory for transfer buffer */
Eric Sesterhenn80b6ca42006-02-27 21:29:43 +0100567 transfer_buffer = kzalloc(transfer_buffer_length, GFP_KERNEL);
Alan Coxdee0a7c2008-07-22 11:14:10 +0100568 if (!transfer_buffer)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700569 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700570
571 if (set & TIOCM_RTS)
572 rts = 1;
573 if (set & TIOCM_DTR)
574 dtr = 1;
575 if (clear & TIOCM_RTS)
576 rts = 0;
577 if (clear & TIOCM_DTR)
578 dtr = 0;
579
580 if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) {
581 if (dtr != 0)
Alan Coxdee0a7c2008-07-22 11:14:10 +0100582 dbg("%s - port %d Setting DTR",
583 __func__, port->number);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700584 else
Alan Coxdee0a7c2008-07-22 11:14:10 +0100585 dbg("%s - port %d Clearing DTR",
586 __func__, port->number);
587 result = usb_control_msg(port->serial->dev,
588 usb_rcvctrlpipe(port->serial->dev, 0),
589 SUSBCRequest_SetStatusLinesOrQueues,
590 USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
591 ((dtr != 0) ? SUSBCR_SSL_SETDTR : SUSBCR_SSL_CLRDTR),
592 0,
593 transfer_buffer,
594 0,
595 KOBIL_TIMEOUT);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700596 } else {
597 if (rts != 0)
Alan Coxdee0a7c2008-07-22 11:14:10 +0100598 dbg("%s - port %d Setting RTS",
599 __func__, port->number);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700600 else
Alan Coxdee0a7c2008-07-22 11:14:10 +0100601 dbg("%s - port %d Clearing RTS",
602 __func__, port->number);
603 result = usb_control_msg(port->serial->dev,
604 usb_rcvctrlpipe(port->serial->dev, 0),
605 SUSBCRequest_SetStatusLinesOrQueues,
606 USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
607 ((rts != 0) ? SUSBCR_SSL_SETRTS : SUSBCR_SSL_CLRRTS),
608 0,
609 transfer_buffer,
610 0,
611 KOBIL_TIMEOUT);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700612 }
Alan Coxdee0a7c2008-07-22 11:14:10 +0100613 dbg("%s - port %d Send set_status_line URB returns: %i",
614 __func__, port->number, result);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700615 kfree(transfer_buffer);
616 return (result < 0) ? result : 0;
617}
618
Alan Cox95da3102008-07-22 11:09:07 +0100619static void kobil_set_termios(struct tty_struct *tty,
620 struct usb_serial_port *port, struct ktermios *old)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700621{
Alan Coxdee0a7c2008-07-22 11:14:10 +0100622 struct kobil_private *priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700623 int result;
624 unsigned short urb_val = 0;
Alan Cox95da3102008-07-22 11:09:07 +0100625 int c_cflag = tty->termios->c_cflag;
Alan Cox94d0f7e2007-08-22 23:09:16 +0100626 speed_t speed;
Alan Coxdee0a7c2008-07-22 11:14:10 +0100627 void *settings;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700628
629 priv = usb_get_serial_port_data(port);
Alan Coxdee0a7c2008-07-22 11:14:10 +0100630 if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID ||
Alan Coxb31f6582008-07-22 11:14:22 +0100631 priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) {
Alan Coxdee0a7c2008-07-22 11:14:10 +0100632 /* This device doesn't support ioctl calls */
Alan Coxb31f6582008-07-22 11:14:22 +0100633 *tty->termios = *old;
Alan Cox94d0f7e2007-08-22 23:09:16 +0100634 return;
Alan Coxb31f6582008-07-22 11:14:22 +0100635 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700636
Alan Coxdee0a7c2008-07-22 11:14:10 +0100637 speed = tty_get_baud_rate(tty);
638 switch (speed) {
639 case 1200:
640 urb_val = SUSBCR_SBR_1200;
641 break;
642 default:
643 speed = 9600;
644 case 9600:
645 urb_val = SUSBCR_SBR_9600;
646 break;
Alan Cox94d0f7e2007-08-22 23:09:16 +0100647 }
Alan Coxdee0a7c2008-07-22 11:14:10 +0100648 urb_val |= (c_cflag & CSTOPB) ? SUSBCR_SPASB_2StopBits :
649 SUSBCR_SPASB_1StopBit;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700650
Alan Cox94d0f7e2007-08-22 23:09:16 +0100651 settings = kzalloc(50, GFP_KERNEL);
Alan Coxdee0a7c2008-07-22 11:14:10 +0100652 if (!settings)
Alan Cox94d0f7e2007-08-22 23:09:16 +0100653 return;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700654
Alan Cox94d0f7e2007-08-22 23:09:16 +0100655 sprintf(settings, "%d ", speed);
656
657 if (c_cflag & PARENB) {
658 if (c_cflag & PARODD) {
659 urb_val |= SUSBCR_SPASB_OddParity;
660 strcat(settings, "Odd Parity");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700661 } else {
Alan Cox94d0f7e2007-08-22 23:09:16 +0100662 urb_val |= SUSBCR_SPASB_EvenParity;
663 strcat(settings, "Even Parity");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700664 }
Alan Cox94d0f7e2007-08-22 23:09:16 +0100665 } else {
666 urb_val |= SUSBCR_SPASB_NoParity;
667 strcat(settings, "No Parity");
668 }
Alan Cox95da3102008-07-22 11:09:07 +0100669 tty->termios->c_cflag &= ~CMSPAR;
670 tty_encode_baud_rate(tty, speed, speed);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700671
Alan Coxdee0a7c2008-07-22 11:14:10 +0100672 result = usb_control_msg(port->serial->dev,
673 usb_rcvctrlpipe(port->serial->dev, 0),
674 SUSBCRequest_SetBaudRateParityAndStopBits,
675 USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
676 urb_val,
677 0,
678 settings,
679 0,
680 KOBIL_TIMEOUT
Alan Cox94d0f7e2007-08-22 23:09:16 +0100681 );
682 kfree(settings);
683}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700684
Alan Coxdee0a7c2008-07-22 11:14:10 +0100685static int kobil_ioctl(struct tty_struct *tty, struct file *file,
686 unsigned int cmd, unsigned long arg)
Alan Cox94d0f7e2007-08-22 23:09:16 +0100687{
Alan Cox95da3102008-07-22 11:09:07 +0100688 struct usb_serial_port *port = tty->driver_data;
Alan Coxdee0a7c2008-07-22 11:14:10 +0100689 struct kobil_private *priv = usb_get_serial_port_data(port);
Alan Cox94d0f7e2007-08-22 23:09:16 +0100690 unsigned char *transfer_buffer;
691 int transfer_buffer_length = 8;
692 int result;
693
Alan Coxdee0a7c2008-07-22 11:14:10 +0100694 if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID ||
695 priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID)
696 /* This device doesn't support ioctl calls */
Alan Coxb31f6582008-07-22 11:14:22 +0100697 return -ENOIOCTLCMD;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700698
Alan Cox94d0f7e2007-08-22 23:09:16 +0100699 switch (cmd) {
Alan Cox95da3102008-07-22 11:09:07 +0100700 case TCFLSH:
Robert P. J. Day5cbded52006-12-13 00:35:56 -0800701 transfer_buffer = kmalloc(transfer_buffer_length, GFP_KERNEL);
Alan Coxdee0a7c2008-07-22 11:14:10 +0100702 if (!transfer_buffer)
703 return -ENOBUFS;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700704
Alan Coxdee0a7c2008-07-22 11:14:10 +0100705 result = usb_control_msg(port->serial->dev,
706 usb_rcvctrlpipe(port->serial->dev, 0),
707 SUSBCRequest_Misc,
708 USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
709 SUSBCR_MSC_ResetAllQueues,
710 0,
711 NULL, /* transfer_buffer, */
712 0,
713 KOBIL_TIMEOUT
Linus Torvalds1da177e2005-04-16 15:20:36 -0700714 );
Alan Coxdee0a7c2008-07-22 11:14:10 +0100715
Harvey Harrison441b62c2008-03-03 16:08:34 -0800716 dbg("%s - port %d Send reset_all_queues (FLUSH) URB returns: %i", __func__, port->number, result);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700717 kfree(transfer_buffer);
Alan Cox95da3102008-07-22 11:09:07 +0100718 return (result < 0) ? -EIO: 0;
Alan Cox94d0f7e2007-08-22 23:09:16 +0100719 default:
720 return -ENOIOCTLCMD;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700721 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700722}
723
Alan Coxdee0a7c2008-07-22 11:14:10 +0100724static int __init kobil_init(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700725{
726 int retval;
727 retval = usb_serial_register(&kobil_device);
728 if (retval)
729 goto failed_usb_serial_register;
730 retval = usb_register(&kobil_driver);
Alan Coxdee0a7c2008-07-22 11:14:10 +0100731 if (retval)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700732 goto failed_usb_register;
733
Greg Kroah-Hartmanc197a8d2008-08-18 13:21:04 -0700734 printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
735 DRIVER_DESC "\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700736
737 return 0;
738failed_usb_register:
739 usb_serial_deregister(&kobil_device);
740failed_usb_serial_register:
741 return retval;
742}
743
744
Alan Coxdee0a7c2008-07-22 11:14:10 +0100745static void __exit kobil_exit(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700746{
Alan Coxdee0a7c2008-07-22 11:14:10 +0100747 usb_deregister(&kobil_driver);
748 usb_serial_deregister(&kobil_device);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700749}
750
751module_init(kobil_init);
752module_exit(kobil_exit);
753
Alan Coxdee0a7c2008-07-22 11:14:10 +0100754MODULE_AUTHOR(DRIVER_AUTHOR);
755MODULE_DESCRIPTION(DRIVER_DESC);
756MODULE_LICENSE("GPL");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700757
758module_param(debug, bool, S_IRUGO | S_IWUSR);
759MODULE_PARM_DESC(debug, "Debug enabled or not");