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Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * KOBIL USB Smart Card Terminal Driver | |
3 | * | |
dee0a7cc | 4 | * Copyright (C) 2002 KOBIL Systems GmbH |
1da177e4 LT |
5 | * 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) | |
dee0a7cc | 23 | * |
1da177e4 LT |
24 | * (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 | ||
1da177e4 LT |
38 | #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> | |
dee0a7cc | 47 | #include <linux/uaccess.h> |
1da177e4 | 48 | #include <linux/usb.h> |
a969888c | 49 | #include <linux/usb/serial.h> |
1da177e4 | 50 | #include <linux/ioctl.h> |
1da177e4 LT |
51 | #include "kobil_sct.h" |
52 | ||
53 | static 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 */ | |
dee0a7cc AC |
71 | static int kobil_startup(struct usb_serial *serial); |
72 | static void kobil_shutdown(struct usb_serial *serial); | |
73 | static int kobil_open(struct tty_struct *tty, | |
95da310e | 74 | struct usb_serial_port *port, struct file *filp); |
dee0a7cc | 75 | static void kobil_close(struct tty_struct *tty, struct usb_serial_port *port, |
95da310e | 76 | struct file *filp); |
dee0a7cc | 77 | static int kobil_write(struct tty_struct *tty, struct usb_serial_port *port, |
1da177e4 | 78 | const unsigned char *buf, int count); |
95da310e AC |
79 | static int kobil_write_room(struct tty_struct *tty); |
80 | static int kobil_ioctl(struct tty_struct *tty, struct file *file, | |
1da177e4 | 81 | unsigned int cmd, unsigned long arg); |
95da310e AC |
82 | static int kobil_tiocmget(struct tty_struct *tty, struct file *file); |
83 | static int kobil_tiocmset(struct tty_struct *tty, struct file *file, | |
1da177e4 | 84 | unsigned int set, unsigned int clear); |
dee0a7cc AC |
85 | static void kobil_read_int_callback(struct urb *urb); |
86 | static void kobil_write_callback(struct urb *purb); | |
87 | static void kobil_set_termios(struct tty_struct *tty, | |
95da310e | 88 | struct usb_serial_port *port, struct ktermios *old); |
1da177e4 LT |
89 | |
90 | ||
91 | static struct usb_device_id id_table [] = { | |
92 | { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_ADAPTER_B_PRODUCT_ID) }, | |
93 | { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_ADAPTER_K_PRODUCT_ID) }, | |
94 | { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_USBTWIN_PRODUCT_ID) }, | |
95 | { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_KAAN_SIM_PRODUCT_ID) }, | |
96 | { } /* Terminating entry */ | |
97 | }; | |
98 | ||
99 | ||
dee0a7cc | 100 | MODULE_DEVICE_TABLE(usb, id_table); |
1da177e4 LT |
101 | |
102 | static struct usb_driver kobil_driver = { | |
1da177e4 LT |
103 | .name = "kobil", |
104 | .probe = usb_serial_probe, | |
105 | .disconnect = usb_serial_disconnect, | |
106 | .id_table = id_table, | |
ba9dc657 | 107 | .no_dynamic_id = 1, |
1da177e4 LT |
108 | }; |
109 | ||
110 | ||
ea65370d | 111 | static struct usb_serial_driver kobil_device = { |
18fcac35 GKH |
112 | .driver = { |
113 | .owner = THIS_MODULE, | |
269bda1c | 114 | .name = "kobil", |
18fcac35 | 115 | }, |
269bda1c | 116 | .description = "KOBIL USB smart card terminal", |
d9b1b787 | 117 | .usb_driver = &kobil_driver, |
1da177e4 | 118 | .id_table = id_table, |
1da177e4 LT |
119 | .num_ports = 1, |
120 | .attach = kobil_startup, | |
121 | .shutdown = kobil_shutdown, | |
122 | .ioctl = kobil_ioctl, | |
94d0f7ea | 123 | .set_termios = kobil_set_termios, |
1da177e4 LT |
124 | .tiocmget = kobil_tiocmget, |
125 | .tiocmset = kobil_tiocmset, | |
126 | .open = kobil_open, | |
127 | .close = kobil_close, | |
128 | .write = kobil_write, | |
129 | .write_room = kobil_write_room, | |
130 | .read_int_callback = kobil_read_int_callback, | |
131 | }; | |
132 | ||
133 | ||
134 | struct kobil_private { | |
135 | int write_int_endpoint_address; | |
136 | int read_int_endpoint_address; | |
dee0a7cc AC |
137 | unsigned char buf[KOBIL_BUF_LENGTH]; /* buffer for the APDU to send */ |
138 | int filled; /* index of the last char in buf */ | |
139 | int cur_pos; /* index of the next char to send in buf */ | |
1da177e4 | 140 | __u16 device_type; |
1da177e4 LT |
141 | }; |
142 | ||
143 | ||
dee0a7cc | 144 | static int kobil_startup(struct usb_serial *serial) |
1da177e4 LT |
145 | { |
146 | int i; | |
147 | struct kobil_private *priv; | |
148 | struct usb_device *pdev; | |
149 | struct usb_host_config *actconfig; | |
150 | struct usb_interface *interface; | |
151 | struct usb_host_interface *altsetting; | |
152 | struct usb_host_endpoint *endpoint; | |
153 | ||
154 | priv = kmalloc(sizeof(struct kobil_private), GFP_KERNEL); | |
dee0a7cc | 155 | if (!priv) |
1da177e4 | 156 | return -ENOMEM; |
1da177e4 LT |
157 | |
158 | priv->filled = 0; | |
159 | priv->cur_pos = 0; | |
160 | priv->device_type = le16_to_cpu(serial->dev->descriptor.idProduct); | |
1da177e4 | 161 | |
dee0a7cc | 162 | switch (priv->device_type) { |
1da177e4 LT |
163 | case KOBIL_ADAPTER_B_PRODUCT_ID: |
164 | printk(KERN_DEBUG "KOBIL B1 PRO / KAAN PRO detected\n"); | |
165 | break; | |
166 | case KOBIL_ADAPTER_K_PRODUCT_ID: | |
dee0a7cc AC |
167 | printk(KERN_DEBUG |
168 | "KOBIL KAAN Standard Plus / SecOVID Reader Plus detected\n"); | |
1da177e4 LT |
169 | break; |
170 | case KOBIL_USBTWIN_PRODUCT_ID: | |
171 | printk(KERN_DEBUG "KOBIL USBTWIN detected\n"); | |
172 | break; | |
173 | case KOBIL_KAAN_SIM_PRODUCT_ID: | |
174 | printk(KERN_DEBUG "KOBIL KAAN SIM detected\n"); | |
175 | break; | |
176 | } | |
177 | usb_set_serial_port_data(serial->port[0], priv); | |
178 | ||
dee0a7cc | 179 | /* search for the necessary endpoints */ |
1da177e4 | 180 | pdev = serial->dev; |
dee0a7cc AC |
181 | actconfig = pdev->actconfig; |
182 | interface = actconfig->interface[0]; | |
1da177e4 | 183 | altsetting = interface->cur_altsetting; |
dee0a7cc AC |
184 | endpoint = altsetting->endpoint; |
185 | ||
186 | for (i = 0; i < altsetting->desc.bNumEndpoints; i++) { | |
1da177e4 | 187 | endpoint = &altsetting->endpoint[i]; |
4f1f1ddd | 188 | if (usb_endpoint_is_int_out(&endpoint->desc)) { |
dee0a7cc AC |
189 | dbg("%s Found interrupt out endpoint. Address: %d", |
190 | __func__, endpoint->desc.bEndpointAddress); | |
191 | priv->write_int_endpoint_address = | |
192 | endpoint->desc.bEndpointAddress; | |
193 | } | |
4f1f1ddd | 194 | if (usb_endpoint_is_int_in(&endpoint->desc)) { |
dee0a7cc AC |
195 | dbg("%s Found interrupt in endpoint. Address: %d", |
196 | __func__, endpoint->desc.bEndpointAddress); | |
197 | priv->read_int_endpoint_address = | |
198 | endpoint->desc.bEndpointAddress; | |
199 | } | |
1da177e4 LT |
200 | } |
201 | return 0; | |
202 | } | |
203 | ||
204 | ||
dee0a7cc | 205 | static void kobil_shutdown(struct usb_serial *serial) |
1da177e4 LT |
206 | { |
207 | int i; | |
441b62c1 | 208 | dbg("%s - port %d", __func__, serial->port[0]->number); |
1da177e4 | 209 | |
dee0a7cc AC |
210 | for (i = 0; i < serial->num_ports; ++i) { |
211 | while (serial->port[i]->port.count > 0) | |
212 | kobil_close(NULL, serial->port[i], NULL); | |
1da177e4 LT |
213 | kfree(usb_get_serial_port_data(serial->port[i])); |
214 | usb_set_serial_port_data(serial->port[i], NULL); | |
215 | } | |
216 | } | |
217 | ||
218 | ||
95da310e AC |
219 | static int kobil_open(struct tty_struct *tty, |
220 | struct usb_serial_port *port, struct file *filp) | |
1da177e4 | 221 | { |
94d0f7ea | 222 | int result = 0; |
1da177e4 LT |
223 | struct kobil_private *priv; |
224 | unsigned char *transfer_buffer; | |
225 | int transfer_buffer_length = 8; | |
226 | int write_urb_transfer_buffer_length = 8; | |
227 | ||
441b62c1 | 228 | dbg("%s - port %d", __func__, port->number); |
1da177e4 | 229 | priv = usb_get_serial_port_data(port); |
1da177e4 | 230 | |
dee0a7cc | 231 | /* someone sets the dev to 0 if the close method has been called */ |
1da177e4 LT |
232 | port->interrupt_in_urb->dev = port->serial->dev; |
233 | ||
234 | ||
235 | /* force low_latency on so that our tty_push actually forces | |
236 | * the data through, otherwise it is scheduled, and with high | |
237 | * data rates (like with OHCI) data can get lost. | |
238 | */ | |
95da310e AC |
239 | if (tty) { |
240 | tty->low_latency = 1; | |
241 | ||
242 | /* Default to echo off and other sane device settings */ | |
243 | tty->termios->c_lflag = 0; | |
dee0a7cc AC |
244 | tty->termios->c_lflag &= ~(ISIG | ICANON | ECHO | IEXTEN | |
245 | XCASE); | |
95da310e | 246 | tty->termios->c_iflag = IGNBRK | IGNPAR | IXOFF; |
dee0a7cc AC |
247 | /* do NOT translate CR to CR-NL (0x0A -> 0x0A 0x0D) */ |
248 | tty->termios->c_oflag &= ~ONLCR; | |
249 | } | |
250 | /* allocate memory for transfer buffer */ | |
80b6ca48 | 251 | transfer_buffer = kzalloc(transfer_buffer_length, GFP_KERNEL); |
dee0a7cc | 252 | if (!transfer_buffer) |
1da177e4 | 253 | return -ENOMEM; |
dee0a7cc AC |
254 | |
255 | /* allocate write_urb */ | |
256 | if (!port->write_urb) { | |
257 | dbg("%s - port %d Allocating port->write_urb", | |
258 | __func__, port->number); | |
259 | port->write_urb = usb_alloc_urb(0, GFP_KERNEL); | |
1da177e4 | 260 | if (!port->write_urb) { |
dee0a7cc AC |
261 | dbg("%s - port %d usb_alloc_urb failed", |
262 | __func__, port->number); | |
1da177e4 LT |
263 | kfree(transfer_buffer); |
264 | return -ENOMEM; | |
265 | } | |
266 | } | |
267 | ||
dee0a7cc AC |
268 | /* allocate memory for write_urb transfer buffer */ |
269 | port->write_urb->transfer_buffer = | |
270 | kmalloc(write_urb_transfer_buffer_length, GFP_KERNEL); | |
271 | if (!port->write_urb->transfer_buffer) { | |
1da177e4 LT |
272 | kfree(transfer_buffer); |
273 | usb_free_urb(port->write_urb); | |
274 | port->write_urb = NULL; | |
275 | return -ENOMEM; | |
dee0a7cc AC |
276 | } |
277 | ||
278 | /* get hardware version */ | |
279 | result = usb_control_msg(port->serial->dev, | |
280 | usb_rcvctrlpipe(port->serial->dev, 0), | |
281 | SUSBCRequest_GetMisc, | |
282 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_IN, | |
283 | SUSBCR_MSC_GetHWVersion, | |
284 | 0, | |
285 | transfer_buffer, | |
286 | transfer_buffer_length, | |
287 | KOBIL_TIMEOUT | |
288 | ); | |
289 | dbg("%s - port %d Send get_HW_version URB returns: %i", | |
290 | __func__, port->number, result); | |
291 | dbg("Harware version: %i.%i.%i", | |
292 | transfer_buffer[0], transfer_buffer[1], transfer_buffer[2]); | |
293 | ||
294 | /* get firmware version */ | |
295 | result = usb_control_msg(port->serial->dev, | |
296 | usb_rcvctrlpipe(port->serial->dev, 0), | |
297 | SUSBCRequest_GetMisc, | |
298 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_IN, | |
299 | SUSBCR_MSC_GetFWVersion, | |
300 | 0, | |
301 | transfer_buffer, | |
302 | transfer_buffer_length, | |
303 | KOBIL_TIMEOUT | |
304 | ); | |
305 | dbg("%s - port %d Send get_FW_version URB returns: %i", | |
306 | __func__, port->number, result); | |
307 | dbg("Firmware version: %i.%i.%i", | |
308 | transfer_buffer[0], transfer_buffer[1], transfer_buffer[2]); | |
309 | ||
310 | if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID || | |
311 | priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID) { | |
312 | /* Setting Baudrate, Parity and Stopbits */ | |
313 | result = usb_control_msg(port->serial->dev, | |
314 | usb_rcvctrlpipe(port->serial->dev, 0), | |
315 | SUSBCRequest_SetBaudRateParityAndStopBits, | |
316 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, | |
317 | SUSBCR_SBR_9600 | SUSBCR_SPASB_EvenParity | | |
318 | SUSBCR_SPASB_1StopBit, | |
319 | 0, | |
320 | transfer_buffer, | |
321 | 0, | |
322 | KOBIL_TIMEOUT | |
1da177e4 | 323 | ); |
dee0a7cc AC |
324 | dbg("%s - port %d Send set_baudrate URB returns: %i", |
325 | __func__, port->number, result); | |
326 | ||
327 | /* reset all queues */ | |
328 | result = usb_control_msg(port->serial->dev, | |
329 | usb_rcvctrlpipe(port->serial->dev, 0), | |
330 | SUSBCRequest_Misc, | |
331 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, | |
332 | SUSBCR_MSC_ResetAllQueues, | |
333 | 0, | |
334 | transfer_buffer, | |
335 | 0, | |
336 | KOBIL_TIMEOUT | |
1da177e4 | 337 | ); |
dee0a7cc AC |
338 | dbg("%s - port %d Send reset_all_queues URB returns: %i", |
339 | __func__, port->number, result); | |
1da177e4 | 340 | } |
dee0a7cc AC |
341 | if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID || |
342 | priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID || | |
1da177e4 | 343 | priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) { |
dee0a7cc AC |
344 | /* start reading (Adapter B 'cause PNP string) */ |
345 | result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC); | |
346 | dbg("%s - port %d Send read URB returns: %i", | |
347 | __func__, port->number, result); | |
1da177e4 LT |
348 | } |
349 | ||
350 | kfree(transfer_buffer); | |
351 | return 0; | |
352 | } | |
353 | ||
354 | ||
95da310e AC |
355 | static void kobil_close(struct tty_struct *tty, |
356 | struct usb_serial_port *port, struct file *filp) | |
1da177e4 | 357 | { |
441b62c1 | 358 | dbg("%s - port %d", __func__, port->number); |
1da177e4 LT |
359 | |
360 | if (port->write_urb) { | |
361 | usb_kill_urb(port->write_urb); | |
dee0a7cc | 362 | usb_free_urb(port->write_urb); |
1da177e4 LT |
363 | port->write_urb = NULL; |
364 | } | |
5505c226 | 365 | usb_kill_urb(port->interrupt_in_urb); |
1da177e4 LT |
366 | } |
367 | ||
368 | ||
6fcdcf04 | 369 | static void kobil_read_int_callback(struct urb *urb) |
1da177e4 | 370 | { |
1da177e4 | 371 | int result; |
6fcdcf04 | 372 | struct usb_serial_port *port = urb->context; |
1da177e4 | 373 | struct tty_struct *tty; |
6fcdcf04 GKH |
374 | unsigned char *data = urb->transfer_buffer; |
375 | int status = urb->status; | |
dee0a7cc | 376 | /* char *dbg_data; */ |
1da177e4 | 377 | |
441b62c1 | 378 | dbg("%s - port %d", __func__, port->number); |
1da177e4 | 379 | |
6fcdcf04 GKH |
380 | if (status) { |
381 | dbg("%s - port %d Read int status not zero: %d", | |
441b62c1 | 382 | __func__, port->number, status); |
1da177e4 LT |
383 | return; |
384 | } | |
6fcdcf04 | 385 | |
4a90f09b | 386 | tty = tty_port_tty_get(&port->port); |
6fcdcf04 GKH |
387 | if (urb->actual_length) { |
388 | ||
dee0a7cc | 389 | /* BEGIN DEBUG */ |
1da177e4 | 390 | /* |
dee0a7cc AC |
391 | dbg_data = kzalloc((3 * purb->actual_length + 10) |
392 | * sizeof(char), GFP_KERNEL); | |
1da177e4 | 393 | if (! dbg_data) { |
dee0a7cc | 394 | return; |
1da177e4 | 395 | } |
dee0a7cc AC |
396 | for (i = 0; i < purb->actual_length; i++) { |
397 | sprintf(dbg_data +3*i, "%02X ", data[i]); | |
1da177e4 | 398 | } |
dee0a7cc | 399 | dbg(" <-- %s", dbg_data); |
1da177e4 LT |
400 | kfree(dbg_data); |
401 | */ | |
dee0a7cc | 402 | /* END DEBUG */ |
1da177e4 | 403 | |
6fcdcf04 GKH |
404 | tty_buffer_request_room(tty, urb->actual_length); |
405 | tty_insert_flip_string(tty, data, urb->actual_length); | |
1da177e4 LT |
406 | tty_flip_buffer_push(tty); |
407 | } | |
4a90f09b | 408 | tty_kref_put(tty); |
dee0a7cc | 409 | /* someone sets the dev to 0 if the close method has been called */ |
1da177e4 LT |
410 | port->interrupt_in_urb->dev = port->serial->dev; |
411 | ||
6fcdcf04 | 412 | result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC); |
dee0a7cc AC |
413 | dbg("%s - port %d Send read URB returns: %i", |
414 | __func__, port->number, result); | |
1da177e4 LT |
415 | } |
416 | ||
417 | ||
dee0a7cc | 418 | static void kobil_write_callback(struct urb *purb) |
1da177e4 LT |
419 | { |
420 | } | |
421 | ||
422 | ||
dee0a7cc | 423 | static int kobil_write(struct tty_struct *tty, struct usb_serial_port *port, |
1da177e4 LT |
424 | const unsigned char *buf, int count) |
425 | { | |
426 | int length = 0; | |
427 | int result = 0; | |
428 | int todo = 0; | |
dee0a7cc | 429 | struct kobil_private *priv; |
1da177e4 LT |
430 | |
431 | if (count == 0) { | |
dee0a7cc AC |
432 | dbg("%s - port %d write request of 0 bytes", |
433 | __func__, port->number); | |
1da177e4 LT |
434 | return 0; |
435 | } | |
436 | ||
437 | priv = usb_get_serial_port_data(port); | |
438 | ||
439 | if (count > (KOBIL_BUF_LENGTH - priv->filled)) { | |
441b62c1 | 440 | dbg("%s - port %d Error: write request bigger than buffer size", __func__, port->number); |
1da177e4 LT |
441 | return -ENOMEM; |
442 | } | |
443 | ||
dee0a7cc AC |
444 | /* Copy data to buffer */ |
445 | memcpy(priv->buf + priv->filled, buf, count); | |
446 | usb_serial_debug_data(debug, &port->dev, __func__, count, | |
447 | priv->buf + priv->filled); | |
1da177e4 LT |
448 | priv->filled = priv->filled + count; |
449 | ||
dee0a7cc AC |
450 | /* only send complete block. TWIN, KAAN SIM and adapter K |
451 | use the same protocol. */ | |
452 | if (((priv->device_type != KOBIL_ADAPTER_B_PRODUCT_ID) && (priv->filled > 2) && (priv->filled >= (priv->buf[1] + 3))) || | |
453 | ((priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) && (priv->filled > 3) && (priv->filled >= (priv->buf[2] + 4)))) { | |
454 | /* stop reading (except TWIN and KAAN SIM) */ | |
455 | if ((priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) | |
456 | || (priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID)) | |
1da177e4 LT |
457 | usb_kill_urb(port->interrupt_in_urb); |
458 | ||
459 | todo = priv->filled - priv->cur_pos; | |
460 | ||
dee0a7cc AC |
461 | while (todo > 0) { |
462 | /* max 8 byte in one urb (endpoint size) */ | |
1da177e4 | 463 | length = (todo < 8) ? todo : 8; |
dee0a7cc AC |
464 | /* copy data to transfer buffer */ |
465 | memcpy(port->write_urb->transfer_buffer, | |
466 | priv->buf + priv->cur_pos, length); | |
467 | usb_fill_int_urb(port->write_urb, | |
468 | port->serial->dev, | |
469 | usb_sndintpipe(port->serial->dev, | |
470 | priv->write_int_endpoint_address), | |
471 | port->write_urb->transfer_buffer, | |
472 | length, | |
473 | kobil_write_callback, | |
474 | port, | |
475 | 8 | |
476 | ); | |
1da177e4 LT |
477 | |
478 | priv->cur_pos = priv->cur_pos + length; | |
dee0a7cc AC |
479 | result = usb_submit_urb(port->write_urb, GFP_NOIO); |
480 | dbg("%s - port %d Send write URB returns: %i", | |
481 | __func__, port->number, result); | |
1da177e4 LT |
482 | todo = priv->filled - priv->cur_pos; |
483 | ||
dee0a7cc | 484 | if (todo > 0) |
1da177e4 | 485 | msleep(24); |
dee0a7cc | 486 | } |
1da177e4 | 487 | |
1da177e4 LT |
488 | priv->filled = 0; |
489 | priv->cur_pos = 0; | |
490 | ||
dee0a7cc AC |
491 | /* someone sets the dev to 0 if the close method |
492 | has been called */ | |
1da177e4 | 493 | port->interrupt_in_urb->dev = port->serial->dev; |
dee0a7cc AC |
494 | |
495 | /* start reading (except TWIN and KAAN SIM) */ | |
496 | if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID || | |
497 | priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID) { | |
498 | /* someone sets the dev to 0 if the close method has | |
499 | been called */ | |
1da177e4 | 500 | port->interrupt_in_urb->dev = port->serial->dev; |
dee0a7cc AC |
501 | |
502 | result = usb_submit_urb(port->interrupt_in_urb, | |
503 | GFP_NOIO); | |
504 | dbg("%s - port %d Send read URB returns: %i", | |
505 | __func__, port->number, result); | |
1da177e4 LT |
506 | } |
507 | } | |
508 | return count; | |
509 | } | |
510 | ||
511 | ||
dee0a7cc | 512 | static int kobil_write_room(struct tty_struct *tty) |
1da177e4 | 513 | { |
dee0a7cc | 514 | /* dbg("%s - port %d", __func__, port->number); */ |
95da310e | 515 | /* FIXME */ |
1da177e4 LT |
516 | return 8; |
517 | } | |
518 | ||
519 | ||
95da310e | 520 | static int kobil_tiocmget(struct tty_struct *tty, struct file *file) |
1da177e4 | 521 | { |
95da310e | 522 | struct usb_serial_port *port = tty->driver_data; |
dee0a7cc | 523 | struct kobil_private *priv; |
1da177e4 LT |
524 | int result; |
525 | unsigned char *transfer_buffer; | |
526 | int transfer_buffer_length = 8; | |
527 | ||
528 | priv = usb_get_serial_port_data(port); | |
dee0a7cc AC |
529 | if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID |
530 | || priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) { | |
531 | /* This device doesn't support ioctl calls */ | |
1da177e4 LT |
532 | return -EINVAL; |
533 | } | |
534 | ||
dee0a7cc | 535 | /* allocate memory for transfer buffer */ |
80b6ca48 | 536 | transfer_buffer = kzalloc(transfer_buffer_length, GFP_KERNEL); |
dee0a7cc | 537 | if (!transfer_buffer) |
1da177e4 | 538 | return -ENOMEM; |
1da177e4 | 539 | |
dee0a7cc AC |
540 | result = usb_control_msg(port->serial->dev, |
541 | usb_rcvctrlpipe(port->serial->dev, 0), | |
542 | SUSBCRequest_GetStatusLineState, | |
543 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_IN, | |
544 | 0, | |
545 | 0, | |
546 | transfer_buffer, | |
547 | transfer_buffer_length, | |
548 | KOBIL_TIMEOUT); | |
549 | ||
550 | dbg("%s - port %d Send get_status_line_state URB returns: %i. Statusline: %02x", | |
441b62c1 | 551 | __func__, port->number, result, transfer_buffer[0]); |
1da177e4 | 552 | |
a40d8540 AC |
553 | result = 0; |
554 | if ((transfer_buffer[0] & SUSBCR_GSL_DSR) != 0) | |
555 | result = TIOCM_DSR; | |
1da177e4 | 556 | kfree(transfer_buffer); |
a40d8540 | 557 | return result; |
1da177e4 LT |
558 | } |
559 | ||
95da310e | 560 | static int kobil_tiocmset(struct tty_struct *tty, struct file *file, |
1da177e4 LT |
561 | unsigned int set, unsigned int clear) |
562 | { | |
95da310e | 563 | struct usb_serial_port *port = tty->driver_data; |
dee0a7cc | 564 | struct kobil_private *priv; |
1da177e4 LT |
565 | int result; |
566 | int dtr = 0; | |
567 | int rts = 0; | |
568 | unsigned char *transfer_buffer; | |
569 | int transfer_buffer_length = 8; | |
570 | ||
a40d8540 | 571 | /* FIXME: locking ? */ |
1da177e4 | 572 | priv = usb_get_serial_port_data(port); |
dee0a7cc AC |
573 | if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID |
574 | || priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) { | |
575 | /* This device doesn't support ioctl calls */ | |
1da177e4 LT |
576 | return -EINVAL; |
577 | } | |
578 | ||
dee0a7cc | 579 | /* allocate memory for transfer buffer */ |
80b6ca48 | 580 | transfer_buffer = kzalloc(transfer_buffer_length, GFP_KERNEL); |
dee0a7cc | 581 | if (!transfer_buffer) |
1da177e4 | 582 | return -ENOMEM; |
1da177e4 LT |
583 | |
584 | if (set & TIOCM_RTS) | |
585 | rts = 1; | |
586 | if (set & TIOCM_DTR) | |
587 | dtr = 1; | |
588 | if (clear & TIOCM_RTS) | |
589 | rts = 0; | |
590 | if (clear & TIOCM_DTR) | |
591 | dtr = 0; | |
592 | ||
593 | if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) { | |
594 | if (dtr != 0) | |
dee0a7cc AC |
595 | dbg("%s - port %d Setting DTR", |
596 | __func__, port->number); | |
1da177e4 | 597 | else |
dee0a7cc AC |
598 | dbg("%s - port %d Clearing DTR", |
599 | __func__, port->number); | |
600 | result = usb_control_msg(port->serial->dev, | |
601 | usb_rcvctrlpipe(port->serial->dev, 0), | |
602 | SUSBCRequest_SetStatusLinesOrQueues, | |
603 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, | |
604 | ((dtr != 0) ? SUSBCR_SSL_SETDTR : SUSBCR_SSL_CLRDTR), | |
605 | 0, | |
606 | transfer_buffer, | |
607 | 0, | |
608 | KOBIL_TIMEOUT); | |
1da177e4 LT |
609 | } else { |
610 | if (rts != 0) | |
dee0a7cc AC |
611 | dbg("%s - port %d Setting RTS", |
612 | __func__, port->number); | |
1da177e4 | 613 | else |
dee0a7cc AC |
614 | dbg("%s - port %d Clearing RTS", |
615 | __func__, port->number); | |
616 | result = usb_control_msg(port->serial->dev, | |
617 | usb_rcvctrlpipe(port->serial->dev, 0), | |
618 | SUSBCRequest_SetStatusLinesOrQueues, | |
619 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, | |
620 | ((rts != 0) ? SUSBCR_SSL_SETRTS : SUSBCR_SSL_CLRRTS), | |
621 | 0, | |
622 | transfer_buffer, | |
623 | 0, | |
624 | KOBIL_TIMEOUT); | |
1da177e4 | 625 | } |
dee0a7cc AC |
626 | dbg("%s - port %d Send set_status_line URB returns: %i", |
627 | __func__, port->number, result); | |
1da177e4 LT |
628 | kfree(transfer_buffer); |
629 | return (result < 0) ? result : 0; | |
630 | } | |
631 | ||
95da310e AC |
632 | static void kobil_set_termios(struct tty_struct *tty, |
633 | struct usb_serial_port *port, struct ktermios *old) | |
1da177e4 | 634 | { |
dee0a7cc | 635 | struct kobil_private *priv; |
1da177e4 LT |
636 | int result; |
637 | unsigned short urb_val = 0; | |
95da310e | 638 | int c_cflag = tty->termios->c_cflag; |
94d0f7ea | 639 | speed_t speed; |
dee0a7cc | 640 | void *settings; |
1da177e4 LT |
641 | |
642 | priv = usb_get_serial_port_data(port); | |
dee0a7cc | 643 | if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID || |
b31f658b | 644 | priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) { |
dee0a7cc | 645 | /* This device doesn't support ioctl calls */ |
b31f658b | 646 | *tty->termios = *old; |
94d0f7ea | 647 | return; |
b31f658b | 648 | } |
1da177e4 | 649 | |
dee0a7cc AC |
650 | speed = tty_get_baud_rate(tty); |
651 | switch (speed) { | |
652 | case 1200: | |
653 | urb_val = SUSBCR_SBR_1200; | |
654 | break; | |
655 | default: | |
656 | speed = 9600; | |
657 | case 9600: | |
658 | urb_val = SUSBCR_SBR_9600; | |
659 | break; | |
94d0f7ea | 660 | } |
dee0a7cc AC |
661 | urb_val |= (c_cflag & CSTOPB) ? SUSBCR_SPASB_2StopBits : |
662 | SUSBCR_SPASB_1StopBit; | |
94d0f7ea AC |
663 | |
664 | settings = kzalloc(50, GFP_KERNEL); | |
dee0a7cc | 665 | if (!settings) |
94d0f7ea | 666 | return; |
1da177e4 | 667 | |
94d0f7ea | 668 | sprintf(settings, "%d ", speed); |
1da177e4 | 669 | |
94d0f7ea AC |
670 | if (c_cflag & PARENB) { |
671 | if (c_cflag & PARODD) { | |
672 | urb_val |= SUSBCR_SPASB_OddParity; | |
673 | strcat(settings, "Odd Parity"); | |
1da177e4 | 674 | } else { |
94d0f7ea AC |
675 | urb_val |= SUSBCR_SPASB_EvenParity; |
676 | strcat(settings, "Even Parity"); | |
1da177e4 | 677 | } |
94d0f7ea AC |
678 | } else { |
679 | urb_val |= SUSBCR_SPASB_NoParity; | |
680 | strcat(settings, "No Parity"); | |
681 | } | |
95da310e AC |
682 | tty->termios->c_cflag &= ~CMSPAR; |
683 | tty_encode_baud_rate(tty, speed, speed); | |
1da177e4 | 684 | |
dee0a7cc AC |
685 | result = usb_control_msg(port->serial->dev, |
686 | usb_rcvctrlpipe(port->serial->dev, 0), | |
687 | SUSBCRequest_SetBaudRateParityAndStopBits, | |
688 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, | |
689 | urb_val, | |
690 | 0, | |
691 | settings, | |
692 | 0, | |
693 | KOBIL_TIMEOUT | |
94d0f7ea AC |
694 | ); |
695 | kfree(settings); | |
696 | } | |
1da177e4 | 697 | |
dee0a7cc AC |
698 | static int kobil_ioctl(struct tty_struct *tty, struct file *file, |
699 | unsigned int cmd, unsigned long arg) | |
94d0f7ea | 700 | { |
95da310e | 701 | struct usb_serial_port *port = tty->driver_data; |
dee0a7cc | 702 | struct kobil_private *priv = usb_get_serial_port_data(port); |
94d0f7ea AC |
703 | unsigned char *transfer_buffer; |
704 | int transfer_buffer_length = 8; | |
705 | int result; | |
706 | ||
dee0a7cc AC |
707 | if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID || |
708 | priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) | |
709 | /* This device doesn't support ioctl calls */ | |
b31f658b | 710 | return -ENOIOCTLCMD; |
1da177e4 | 711 | |
94d0f7ea | 712 | switch (cmd) { |
95da310e | 713 | case TCFLSH: |
5cbded58 | 714 | transfer_buffer = kmalloc(transfer_buffer_length, GFP_KERNEL); |
dee0a7cc AC |
715 | if (!transfer_buffer) |
716 | return -ENOBUFS; | |
717 | ||
718 | result = usb_control_msg(port->serial->dev, | |
719 | usb_rcvctrlpipe(port->serial->dev, 0), | |
720 | SUSBCRequest_Misc, | |
721 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, | |
722 | SUSBCR_MSC_ResetAllQueues, | |
723 | 0, | |
724 | NULL, /* transfer_buffer, */ | |
725 | 0, | |
726 | KOBIL_TIMEOUT | |
1da177e4 | 727 | ); |
dee0a7cc | 728 | |
441b62c1 | 729 | dbg("%s - port %d Send reset_all_queues (FLUSH) URB returns: %i", __func__, port->number, result); |
1da177e4 | 730 | kfree(transfer_buffer); |
95da310e | 731 | return (result < 0) ? -EIO: 0; |
94d0f7ea AC |
732 | default: |
733 | return -ENOIOCTLCMD; | |
1da177e4 | 734 | } |
1da177e4 LT |
735 | } |
736 | ||
dee0a7cc | 737 | static int __init kobil_init(void) |
1da177e4 LT |
738 | { |
739 | int retval; | |
740 | retval = usb_serial_register(&kobil_device); | |
741 | if (retval) | |
742 | goto failed_usb_serial_register; | |
743 | retval = usb_register(&kobil_driver); | |
dee0a7cc | 744 | if (retval) |
1da177e4 LT |
745 | goto failed_usb_register; |
746 | ||
747 | info(DRIVER_VERSION " " DRIVER_AUTHOR); | |
748 | info(DRIVER_DESC); | |
749 | ||
750 | return 0; | |
751 | failed_usb_register: | |
752 | usb_serial_deregister(&kobil_device); | |
753 | failed_usb_serial_register: | |
754 | return retval; | |
755 | } | |
756 | ||
757 | ||
dee0a7cc | 758 | static void __exit kobil_exit(void) |
1da177e4 | 759 | { |
dee0a7cc AC |
760 | usb_deregister(&kobil_driver); |
761 | usb_serial_deregister(&kobil_device); | |
1da177e4 LT |
762 | } |
763 | ||
764 | module_init(kobil_init); | |
765 | module_exit(kobil_exit); | |
766 | ||
dee0a7cc AC |
767 | MODULE_AUTHOR(DRIVER_AUTHOR); |
768 | MODULE_DESCRIPTION(DRIVER_DESC); | |
769 | MODULE_LICENSE("GPL"); | |
1da177e4 LT |
770 | |
771 | module_param(debug, bool, S_IRUGO | S_IWUSR); | |
772 | MODULE_PARM_DESC(debug, "Debug enabled or not"); |